truffle: src/share/vm/memory/metaspace.cpp annotate

annotate src/share/vm/memory/metaspace.cpp @ 6736:11fb740ce98f

7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size Summary: Don't allocate huge class metaspace size by default on x64 Reviewed-by: stefank, jmasa, kvn

author	coleenp
date	Fri, 07 Sep 2012 16:42:25 -0400
parents	942bb29b20b0
children	8da5e203b993

rev	line source
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1 /*
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	4 *
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	7 * published by the Free Software Foundation.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	8 *
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	13 * accompanied this code).
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	14 *
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	18 *
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	21 * questions.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	22 *
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	23 */
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	24 #include "precompiled.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	25 #include "gc_interface/collectedHeap.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	26 #include "memory/binaryTreeDictionary.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	27 #include "memory/collectorPolicy.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	28 #include "memory/filemap.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	29 #include "memory/freeList.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	30 #include "memory/metaspace.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	31 #include "memory/metaspaceShared.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	32 #include "memory/resourceArea.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	33 #include "memory/universe.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	34 #include "runtime/globals.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	35 #include "runtime/mutex.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	36 #include "services/memTracker.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	37 #include "utilities/copy.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	38 #include "utilities/debug.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	39
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	40 // Define this macro to deallocate Metablock. If not defined,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	41 // blocks are not yet deallocated and are only mangled.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	42 #undef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	43
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	44 // Easily recognizable patterns
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	45 // These patterns can be the same in 32bit or 64bit since
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	46 // they only have to be easily recognizable.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	47 const void* metaspace_allocation_leader = (void*) 0X11111111;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	48 const void* metaspace_allocation_trailer = (void*) 0X77777777;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	49
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	50 // Parameters for stress mode testing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	51 const uint metadata_deallocate_a_lot_block = 10;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	52 const uint metadata_deallocate_a_lock_chunk = 3;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	53 size_t const allocation_from_dictionary_limit = 64 * K;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	54 const size_t metadata_chunk_initialize = 0xf7f7f7f7;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	55 const size_t metadata_deallocate = 0xf5f5f5f5;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	56 const size_t metadata_space_manager_allocate = 0xf3f3f3f3;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	57
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	58 MetaWord* last_allocated = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	59
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	60 // Used in declarations in SpaceManager and ChunkManager
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	61 enum ChunkIndex {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	62 SmallIndex = 0,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	63 MediumIndex = 1,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	64 HumongousIndex = 2,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	65 NumberOfFreeLists = 3
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	66 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	67
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	68 static ChunkIndex next_chunk_index(ChunkIndex i) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	69 assert(i < NumberOfFreeLists, "Out of bound");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	70 return (ChunkIndex) (i+1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	71 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	72
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	73 // Originally _capacity_until_GC was set to MetaspaceSize here but
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	74 // the default MetaspaceSize before argument processing was being
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	75 // used which was not the desired value. See the code
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	76 // in should_expand() to see how the initialization is handled
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	77 // now.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	78 size_t MetaspaceGC::_capacity_until_GC = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	79 bool MetaspaceGC::_expand_after_GC = false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	80 uint MetaspaceGC::_shrink_factor = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	81 bool MetaspaceGC::_should_concurrent_collect = false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	82
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	83 // Blocks of space for metadata are allocated out of Metachunks.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	84 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	85 // Metachunk are allocated out of MetadataVirtualspaces and once
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	86 // allocated there is no explicit link between a Metachunk and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	87 // the MetadataVirtualspaces from which it was allocated.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	88 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	89 // Each SpaceManager maintains a
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	90 // list of the chunks it is using and the current chunk. The current
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	91 // chunk is the chunk from which allocations are done. Space freed in
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	92 // a chunk is placed on the free list of blocks (BlockFreelist) and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	93 // reused from there.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	94 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	95 // Future modification
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	96 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	97 // The Metachunk can conceivable be replaced by the Chunk in
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	98 // allocation.hpp. Note that the latter Chunk is the space for
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	99 // allocation (allocations from the chunk are out of the space in
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	100 // the Chunk after the header for the Chunk) where as Metachunks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	101 // point to space in a VirtualSpace. To replace Metachunks with
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	102 // Chunks, change Chunks so that they can be allocated out of a VirtualSpace.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	103 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	104
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	105 // Metablock are the unit of allocation from a Chunk. It contains
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	106 // the size of the requested allocation in a debug build.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	107 // Also in a debug build it has a marker before and after the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	108 // body of the block. The address of the body is the address returned
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	109 // by the allocation.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	110 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	111 // Layout in a debug build. In a product build only the body is present.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	112 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	113 // +-----------+-----------+------------+ +-----------+
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	114 // \| word size \| leader \| body \| ... \| trailer \|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	115 // +-----------+-----------+------------+ +-----------+
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	116 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	117 // A Metablock may be reused by its SpaceManager but are never moved between
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	118 // SpaceManagers. There is no explicit link to the Metachunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	119 // from which it was allocated. Metablock are not deallocated, rather
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	120 // the Metachunk it is a part of will be deallocated when it's
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	121 // associated class loader is collected.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	122 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	123 // When the word size of a block is passed in to the deallocation
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	124 // call the word size no longer needs to be part of a Metablock.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	125
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	126 class Metablock {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	127 friend class VMStructs;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	128 private:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	129 // Used to align the allocation (see below) and for debugging.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	130 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	131 struct {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	132 size_t _word_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	133 void* _leader;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	134 } _header;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	135 void* _data[1];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	136 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	137 static size_t _overhead;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	138
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	139 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	140 void set_word_size(size_t v) { _header._word_size = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	141 void* leader() { return _header._leader; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	142 void* trailer() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	143 jlong index = (jlong) _header._word_size - sizeof(_header)/BytesPerWord - 1;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	144 assert(index > 0, err_msg("Bad indexling of trailer %d", index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	145 void** ptr = &_data[index];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	146 return *ptr;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	147 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	148 void set_leader(void* v) { _header._leader = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	149 void set_trailer(void* v) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	150 void** ptr = &_data[_header._word_size - sizeof(_header)/BytesPerWord - 1];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	151 *ptr = v;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	152 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	153 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	154 size_t word_size() { return _header._word_size; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	155 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	156 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	157
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	158 static Metablock* initialize(MetaWord* p, size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	159
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	160 // This places the body of the block at a 2 word boundary
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	161 // because every block starts on a 2 word boundary. Work out
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	162 // how to make the body on a 2 word boundary if the block
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	163 // starts on a arbitrary boundary. JJJ
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	164
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	165 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	166 MetaWord* data() { return (MetaWord*) &_data[0]; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	167 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	168 MetaWord* data() { return (MetaWord*) this; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	169 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	170 static Metablock* metablock_from_data(MetaWord* p) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	171 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	172 size_t word_offset = offset_of(Metablock, _data)/BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	173 Metablock* result = (Metablock*) (p - word_offset);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	174 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	175 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	176 return (Metablock*) p;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	177 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	178 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	179
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	180 static size_t overhead() { return _overhead; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	181 void verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	182 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	183
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	184 // Metachunk - Quantum of allocation from a Virtualspace
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	185 // Metachunks are reused (when freed are put on a global freelist) and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	186 // have no permanent association to a SpaceManager.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	187
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	188 // +--------------+ <- end
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	189 // \| \| --+ ---+
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	190 // \| \| \| free \|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	191 // \| \| \| \|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	192 // \| \| \| \| capacity
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	193 // \| \| \| \|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	194 // \| \| <- top --+ \|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	195 // \| \| ---+ \|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	196 // \| \| \| used \|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	197 // \| \| \| \|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	198 // \| \| \| \|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	199 // +--------------+ <- bottom ---+ ---+
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	200
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	201 class Metachunk VALUE_OBJ_CLASS_SPEC {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	202 // link to support lists of chunks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	203 Metachunk* _next;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	204
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	205 MetaWord* _bottom;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	206 MetaWord* _end;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	207 MetaWord* _top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	208 size_t _word_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	209
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	210 // Metachunks are allocated out of a MetadataVirtualSpace and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	211 // and use some of its space to describe itself (plus alignment
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	212 // considerations). Metadata is allocated in the rest of the chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	213 // This size is the overhead of maintaining the Metachunk within
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	214 // the space.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	215 static size_t _overhead;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	216
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	217 void set_bottom(MetaWord* v) { _bottom = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	218 void set_end(MetaWord* v) { _end = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	219 void set_top(MetaWord* v) { _top = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	220 void set_word_size(size_t v) { _word_size = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	221 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	222
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	223 // Used to add a Metachunk to a list of Metachunks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	224 void set_next(Metachunk* v) { _next = v; assert(v != this, "Boom");}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	225
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	226 Metablock* allocate(size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	227 static Metachunk* initialize(MetaWord* ptr, size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	228
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	229 // Accessors
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	230 Metachunk* next() const { return _next; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	231 MetaWord* bottom() const { return _bottom; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	232 MetaWord* end() const { return _end; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	233 MetaWord* top() const { return _top; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	234 size_t word_size() const { return _word_size; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	235 static size_t overhead() { return _overhead; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	236
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	237 // Reset top to bottom so chunk can be reused.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	238 void reset_empty() { _top = (_bottom + _overhead); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	239 bool is_empty() { return _top == (_bottom + _overhead); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	240
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	241 // used (has been allocated)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	242 // free (available for future allocations)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	243 // capacity (total size of chunk)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	244 size_t used_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	245 size_t free_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	246 size_t capacity_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	247
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	248 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	249 void mangle() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	250 // Mangle the payload of the chunk and not the links that
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	251 // maintain list of chunks.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	252 HeapWord* start = (HeapWord*)(bottom() + overhead());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	253 size_t word_size = capacity_word_size() - overhead();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	254 Copy::fill_to_words(start, word_size, metadata_chunk_initialize);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	255 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	256 #endif // ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	257
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	258 void print_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	259 void verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	260 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	261
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	262
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	263 // Pointer to list of Metachunks.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	264 class ChunkList VALUE_OBJ_CLASS_SPEC {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	265 // List of free chunks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	266 Metachunk* _head;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	267
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	268 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	269 // Constructor
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	270 ChunkList() : _head(NULL) {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	271
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	272 // Accessors
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	273 Metachunk* head() { return _head; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	274 void set_head(Metachunk* v) { _head = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	275
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	276 // Link at head of the list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	277 void add_at_head(Metachunk* head, Metachunk* tail);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	278 void add_at_head(Metachunk* head);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	279
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	280 size_t sum_list_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	281 size_t sum_list_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	282 size_t sum_list_capacity();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	283 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	284
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	285 // Manages the global free lists of chunks.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	286 // Has three lists of free chunks, and a total size and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	287 // count that includes all three
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	288
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	289 class ChunkManager VALUE_OBJ_CLASS_SPEC {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	290
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	291 // Free list of chunks of different sizes.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	292 // SmallChunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	293 // MediumChunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	294 // HumongousChunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	295 ChunkList _free_chunks[3];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	296
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	297 // ChunkManager in all lists of this type
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	298 size_t _free_chunks_total;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	299 size_t _free_chunks_count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	300
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	301 void dec_free_chunks_total(size_t v) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	302 assert(_free_chunks_count > 0 &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	303 _free_chunks_total > 0,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	304 "About to go negative");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	305 Atomic::add_ptr(-1, &_free_chunks_count);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	306 jlong minus_v = (jlong) - (jlong) v;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	307 Atomic::add_ptr(minus_v, &_free_chunks_total);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	308 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	309
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	310 // Debug support
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	311
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	312 size_t sum_free_chunks();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	313 size_t sum_free_chunks_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	314
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	315 void locked_verify_free_chunks_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	316 void locked_verify_free_chunks_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	317 void verify_free_chunks_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	318
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	319 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	320
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	321 ChunkManager() : _free_chunks_total(0), _free_chunks_count(0) {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	322
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	323 // add or delete (return) a chunk to the global freelist.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	324 Metachunk* chunk_freelist_allocate(size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	325 void chunk_freelist_deallocate(Metachunk* chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	326
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	327 // Total of the space in the free chunks list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	328 size_t free_chunks_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	329 size_t free_chunks_total_in_bytes();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	330
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	331 // Number of chunks in the free chunks list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	332 size_t free_chunks_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	333
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	334 void inc_free_chunks_total(size_t v, size_t count = 1) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	335 Atomic::add_ptr(count, &_free_chunks_count);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	336 Atomic::add_ptr(v, &_free_chunks_total);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	337 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	338 ChunkList* free_medium_chunks() { return &_free_chunks[1]; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	339 ChunkList* free_small_chunks() { return &_free_chunks[0]; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	340 ChunkList* free_humongous_chunks() { return &_free_chunks[2]; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	341
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	342 ChunkList* free_chunks(ChunkIndex index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	343
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	344 // Returns the list for the given chunk word size.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	345 ChunkList* find_free_chunks_list(size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	346
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	347 // Add and remove from a list by size. Selects
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	348 // list based on size of chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	349 void free_chunks_put(Metachunk* chuck);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	350 Metachunk* free_chunks_get(size_t chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	351
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	352 // Debug support
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	353 void verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	354 void locked_verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	355 void verify_free_chunks_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	356
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	357 void locked_print_free_chunks(outputStream* st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	358 void locked_print_sum_free_chunks(outputStream* st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	359 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	360
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	361
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	362 // Used to manage the free list of Metablocks (a block corresponds
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	363 // to the allocation of a quantum of metadata).
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	364 class BlockFreelist VALUE_OBJ_CLASS_SPEC {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	365 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	366 BinaryTreeDictionary<Metablock>* _dictionary;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	367 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	368 static Metablock* initialize_free_chunk(Metablock* block, size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	369
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	370 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	371 // Accessors
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	372 BinaryTreeDictionary<Metablock>* dictionary() const { return _dictionary; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	373 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	374
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	375 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	376 BlockFreelist();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	377 ~BlockFreelist();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	378
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	379 // Get and return a block to the free list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	380 Metablock* get_block(size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	381 void return_block(Metablock* block, size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	382
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	383 size_t totalSize() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	384 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	385 if (dictionary() == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	386 return 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	387 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	388 return dictionary()->totalSize();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	389 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	390 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	391 return 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	392 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	393 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	394
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	395 void print_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	396 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	397
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	398 class VirtualSpaceNode : public CHeapObj<mtClass> {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	399 friend class VirtualSpaceList;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	400
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	401 // Link to next VirtualSpaceNode
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	402 VirtualSpaceNode* _next;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	403
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	404 // total in the VirtualSpace
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	405 MemRegion _reserved;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	406 ReservedSpace _rs;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	407 VirtualSpace _virtual_space;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	408 MetaWord* _top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	409
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	410 // Convenience functions for logical bottom and end
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	411 MetaWord* bottom() const { return (MetaWord*) _virtual_space.low(); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	412 MetaWord* end() const { return (MetaWord*) _virtual_space.high(); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	413
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	414 // Convenience functions to access the _virtual_space
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	415 char* low() const { return virtual_space()->low(); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	416 char* high() const { return virtual_space()->high(); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	417
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	418 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	419
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	420 VirtualSpaceNode(size_t byte_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	421 VirtualSpaceNode(ReservedSpace rs) : _top(NULL), _next(NULL), _rs(rs) {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	422 ~VirtualSpaceNode();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	423
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	424 // address of next available space in _virtual_space;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	425 // Accessors
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	426 VirtualSpaceNode* next() { return _next; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	427 void set_next(VirtualSpaceNode* v) { _next = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	428
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	429 void set_reserved(MemRegion const v) { _reserved = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	430 void set_top(MetaWord* v) { _top = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	431
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	432 // Accessors
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	433 MemRegion* reserved() { return &_reserved; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	434 VirtualSpace* virtual_space() const { return (VirtualSpace*) &_virtual_space; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	435
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	436 // Returns true if "word_size" is available in the virtual space
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	437 bool is_available(size_t word_size) { return _top + word_size <= end(); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	438
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	439 MetaWord* top() const { return _top; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	440 void inc_top(size_t word_size) { _top += word_size; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	441
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	442 // used and capacity in this single entry in the list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	443 size_t used_words_in_vs() const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	444 size_t capacity_words_in_vs() const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	445
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	446 bool initialize();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	447
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	448 // get space from the virtual space
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	449 Metachunk* take_from_committed(size_t chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	450
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	451 // Allocate a chunk from the virtual space and return it.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	452 Metachunk* get_chunk_vs(size_t chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	453 Metachunk* get_chunk_vs_with_expand(size_t chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	454
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	455 // Expands/shrinks the committed space in a virtual space. Delegates
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	456 // to Virtualspace
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	457 bool expand_by(size_t words, bool pre_touch = false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	458 bool shrink_by(size_t words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	459
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	460 // Debug support
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	461 static void verify_virtual_space_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	462 static void verify_virtual_space_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	463 void mangle();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	464
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	465 void print_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	466 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	467
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	468 // byte_size is the size of the associated virtualspace.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	469 VirtualSpaceNode::VirtualSpaceNode(size_t byte_size) : _top(NULL), _next(NULL), _rs(0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	470 // This allocates memory with mmap. For DumpSharedspaces, allocate the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	471 // space at low memory so that other shared images don't conflict.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	472 // This is the same address as memory needed for UseCompressedOops but
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	473 // compressed oops don't work with CDS (offsets in metadata are wrong), so
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	474 // borrow the same address.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	475 if (DumpSharedSpaces) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	476 char* shared_base = (char*)HeapBaseMinAddress;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	477 _rs = ReservedSpace(byte_size, 0, false, shared_base, 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	478 if (_rs.is_reserved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	479 assert(_rs.base() == shared_base, "should match");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	480 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	481 // If we are dumping the heap, then allocate a wasted block of address
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	482 // space in order to push the heap to a lower address. This extra
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	483 // address range allows for other (or larger) libraries to be loaded
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	484 // without them occupying the space required for the shared spaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	485 uintx reserved = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	486 uintx block_size = 6410241024;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	487 while (reserved < SharedDummyBlockSize) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	488 char* dummy = os::reserve_memory(block_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	489 reserved += block_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	490 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	491 _rs = ReservedSpace(byte_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	492 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	493 MetaspaceShared::set_shared_rs(&_rs);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	494 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	495 _rs = ReservedSpace(byte_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	496 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	497
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	498 MemTracker::record_virtual_memory_type((address)_rs.base(), mtClass);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	499 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	500
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	501 // List of VirtualSpaces for metadata allocation.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	502 // It has a _next link for singly linked list and a MemRegion
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	503 // for total space in the VirtualSpace.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	504 class VirtualSpaceList : public CHeapObj<mtClass> {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	505 friend class VirtualSpaceNode;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	506
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	507 enum VirtualSpaceSizes {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	508 VirtualSpaceSize = 256 * K
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	509 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	510
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	511 // Global list of virtual spaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	512 // Head of the list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	513 VirtualSpaceNode* _virtual_space_list;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	514 // virtual space currently being used for allocations
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	515 VirtualSpaceNode* _current_virtual_space;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	516 // Free chunk list for all other metadata
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	517 ChunkManager _chunk_manager;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	518
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	519 // Can this virtual list allocate >1 spaces? Also, used to determine
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	520 // whether to allocate unlimited small chunks in this virtual space
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	521 bool _is_class;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	522 bool can_grow() const { return !is_class() \|\| !UseCompressedKlassPointers; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	523
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	524 // Sum of space in all virtual spaces and number of virtual spaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	525 size_t _virtual_space_total;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	526 size_t _virtual_space_count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	527
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	528 ~VirtualSpaceList();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	529
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	530 VirtualSpaceNode* virtual_space_list() const { return _virtual_space_list; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	531
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	532 void set_virtual_space_list(VirtualSpaceNode* v) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	533 _virtual_space_list = v;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	534 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	535 void set_current_virtual_space(VirtualSpaceNode* v) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	536 _current_virtual_space = v;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	537 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	538
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	539 void link_vs(VirtualSpaceNode* new_entry, size_t vs_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	540
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	541 // Get another virtual space and add it to the list. This
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	542 // is typically prompted by a failed attempt to allocate a chunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	543 // and is typically followed by the allocation of a chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	544 bool grow_vs(size_t vs_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	545
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	546 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	547 VirtualSpaceList(size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	548 VirtualSpaceList(ReservedSpace rs);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	549
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	550 Metachunk* get_new_chunk(size_t word_size, size_t grow_chunks_by_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	551
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	552 VirtualSpaceNode* current_virtual_space() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	553 return _current_virtual_space;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	554 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	555
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	556 ChunkManager* chunk_manager() { return &_chunk_manager; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	557 bool is_class() const { return _is_class; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	558
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	559 // Allocate the first virtualspace.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	560 void initialize(size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	561
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	562 size_t virtual_space_total() { return _virtual_space_total; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	563 void inc_virtual_space_total(size_t v) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	564 Atomic::add_ptr(v, &_virtual_space_total);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	565 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	566
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	567 size_t virtual_space_count() { return _virtual_space_count; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	568 void inc_virtual_space_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	569 Atomic::inc_ptr(&_virtual_space_count);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	570 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	571
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	572 // Used and capacity in the entire list of virtual spaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	573 // These are global values shared by all Metaspaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	574 size_t capacity_words_sum();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	575 size_t capacity_bytes_sum() { return capacity_words_sum() * BytesPerWord; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	576 size_t used_words_sum();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	577 size_t used_bytes_sum() { return used_words_sum() * BytesPerWord; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	578
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	579 bool contains(const void *ptr);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	580
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	581 void print_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	582
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	583 class VirtualSpaceListIterator : public StackObj {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	584 VirtualSpaceNode* _virtual_spaces;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	585 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	586 VirtualSpaceListIterator(VirtualSpaceNode* virtual_spaces) :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	587 _virtual_spaces(virtual_spaces) {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	588
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	589 bool repeat() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	590 return _virtual_spaces != NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	591 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	592
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	593 VirtualSpaceNode* get_next() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	594 VirtualSpaceNode* result = _virtual_spaces;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	595 if (_virtual_spaces != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	596 _virtual_spaces = _virtual_spaces->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	597 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	598 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	599 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	600 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	601 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	602
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	603
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	604 class Metadebug : AllStatic {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	605 // Debugging support for Metaspaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	606 static int _deallocate_block_a_lot_count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	607 static int _deallocate_chunk_a_lot_count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	608 static int _allocation_fail_alot_count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	609
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	610 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	611 static int deallocate_block_a_lot_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	612 return _deallocate_block_a_lot_count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	613 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	614 static void set_deallocate_block_a_lot_count(int v) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	615 _deallocate_block_a_lot_count = v;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	616 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	617 static void inc_deallocate_block_a_lot_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	618 _deallocate_block_a_lot_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	619 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	620 static int deallocate_chunk_a_lot_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	621 return _deallocate_chunk_a_lot_count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	622 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	623 static void reset_deallocate_chunk_a_lot_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	624 _deallocate_chunk_a_lot_count = 1;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	625 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	626 static void inc_deallocate_chunk_a_lot_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	627 _deallocate_chunk_a_lot_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	628 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	629
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	630 static void init_allocation_fail_alot_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	631 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	632 static bool test_metadata_failure();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	633 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	634
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	635 static void deallocate_chunk_a_lot(SpaceManager* sm,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	636 size_t chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	637 static void deallocate_block_a_lot(SpaceManager* sm,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	638 size_t chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	639
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	640 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	641
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	642 int Metadebug::_deallocate_block_a_lot_count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	643 int Metadebug::_deallocate_chunk_a_lot_count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	644 int Metadebug::_allocation_fail_alot_count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	645
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	646 // SpaceManager - used by Metaspace to handle allocations
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	647 class SpaceManager : public CHeapObj<mtClass> {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	648 friend class Metaspace;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	649 friend class Metadebug;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	650
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	651 private:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	652 // protects allocations and contains.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	653 Mutex* const _lock;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	654
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	655 // List of chunks in use by this SpaceManager. Allocations
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	656 // are done from the current chunk. The list is used for deallocating
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	657 // chunks when the SpaceManager is freed.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	658 Metachunk* _chunks_in_use[NumberOfFreeLists];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	659 Metachunk* _current_chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	660
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	661 // Virtual space where allocation comes from.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	662 VirtualSpaceList* _vs_list;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	663
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	664 // Number of small chunks to allocate to a manager
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	665 // If class space manager, small chunks are unlimited
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	666 static uint const _small_chunk_limit;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	667 bool has_small_chunk_limit() { return !vs_list()->is_class(); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	668
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	669 // Sum of all space in allocated chunks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	670 size_t _allocation_total;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	671
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	672 // Free lists of blocks are per SpaceManager since they
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	673 // are assumed to be in chunks in use by the SpaceManager
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	674 // and all chunks in use by a SpaceManager are freed when
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	675 // the class loader using the SpaceManager is collected.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	676 BlockFreelist _block_freelists;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	677
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	678 // protects virtualspace and chunk expansions
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	679 static const char* _expand_lock_name;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	680 static const int _expand_lock_rank;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	681 static Mutex* const _expand_lock;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	682
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	683 // Accessors
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	684 Metachunk* chunks_in_use(ChunkIndex index) const { return _chunks_in_use[index]; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	685 void set_chunks_in_use(ChunkIndex index, Metachunk* v) { _chunks_in_use[index] = v; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	686
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	687 BlockFreelist* block_freelists() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	688 return (BlockFreelist*) &_block_freelists;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	689 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	690
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	691 VirtualSpaceList* vs_list() const { return _vs_list; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	692
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	693 Metachunk* current_chunk() const { return _current_chunk; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	694 void set_current_chunk(Metachunk* v) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	695 _current_chunk = v;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	696 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	697
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	698 Metachunk* find_current_chunk(size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	699
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	700 // Add chunk to the list of chunks in use
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	701 void add_chunk(Metachunk* v, bool make_current);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	702
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	703 // Debugging support
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	704 void verify_chunks_in_use_index(ChunkIndex index, Metachunk* v) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	705 switch (index) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	706 case 0:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	707 assert(v->word_size() == SmallChunk, "Not a SmallChunk");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	708 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	709 case 1:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	710 assert(v->word_size() == MediumChunk, "Not a MediumChunk");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	711 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	712 case 2:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	713 assert(v->word_size() > MediumChunk, "Not a HumongousChunk");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	714 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	715 default:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	716 assert(false, "Wrong list.");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	717 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	718 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	719
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	720 protected:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	721 Mutex* lock() const { return _lock; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	722
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	723 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	724 SpaceManager(Mutex* lock, VirtualSpaceList* vs_list);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	725 ~SpaceManager();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	726
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	727 enum ChunkSizes { // in words.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	728 SmallChunk = 512,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	729 MediumChunk = 8 * K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	730 MediumChunkBunch = 4 * MediumChunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	731 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	732
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	733 // Accessors
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	734 size_t allocation_total() const { return _allocation_total; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	735 void inc_allocation_total(size_t v) { Atomic::add_ptr(v, &_allocation_total); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	736 static bool is_humongous(size_t word_size) { return word_size > MediumChunk; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	737
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	738 static Mutex* expand_lock() { return _expand_lock; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	739
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	740 size_t sum_capacity_in_chunks_in_use() const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	741 size_t sum_used_in_chunks_in_use() const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	742 size_t sum_free_in_chunks_in_use() const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	743 size_t sum_waste_in_chunks_in_use() const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	744 size_t sum_waste_in_chunks_in_use(ChunkIndex index ) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	745
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	746 size_t sum_count_in_chunks_in_use();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	747 size_t sum_count_in_chunks_in_use(ChunkIndex i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	748
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	749 // Block allocation and deallocation.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	750 // Allocates a block from the current chunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	751 MetaWord* allocate(size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	752
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	753 // Helper for allocations
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	754 Metablock* allocate_work(size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	755
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	756 // Returns a block to the per manager freelist
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	757 void deallocate(MetaWord* p);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	758
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	759 // Based on the allocation size and a minimum chunk size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	760 // returned chunk size (for expanding space for chunk allocation).
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	761 size_t calc_chunk_size(size_t allocation_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	762
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	763 // Called when an allocation from the current chunk fails.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	764 // Gets a new chunk (may require getting a new virtual space),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	765 // and allocates from that chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	766 Metablock* grow_and_allocate(size_t word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	767
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	768 // debugging support.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	769
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	770 void dump(outputStream* const out) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	771 void print_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	772 void locked_print_chunks_in_use_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	773
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	774 void verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	775 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	776 void mangle_freed_chunks();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	777 void verify_allocation_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	778 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	779 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	780
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	781 uint const SpaceManager::_small_chunk_limit = 4;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	782
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	783 const char* SpaceManager::_expand_lock_name =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	784 "SpaceManager chunk allocation lock";
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	785 const int SpaceManager::_expand_lock_rank = Monitor::leaf - 1;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	786 Mutex* const SpaceManager::_expand_lock =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	787 new Mutex(SpaceManager::_expand_lock_rank,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	788 SpaceManager::_expand_lock_name,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	789 Mutex::_allow_vm_block_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	790
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	791 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	792 size_t Metablock::_overhead =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	793 Chunk::aligned_overhead_size(sizeof(Metablock)) / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	794 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	795 size_t Metablock::_overhead = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	796 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	797 size_t Metachunk::_overhead =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	798 Chunk::aligned_overhead_size(sizeof(Metachunk)) / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	799
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	800 // New blocks returned by the Metaspace are zero initialized.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	801 // We should fix the constructors to not assume this instead.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	802 Metablock* Metablock::initialize(MetaWord* p, size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	803 Metablock* result = (Metablock*) p;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	804
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	805 // Clear the memory
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	806 Copy::fill_to_aligned_words((HeapWord*)result, word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	807 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	808 result->set_word_size(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	809 // Check after work size is set.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	810 result->set_leader((void*) metaspace_allocation_leader);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	811 result->set_trailer((void*) metaspace_allocation_trailer);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	812 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	813 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	814 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	815
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	816 void Metablock::verify() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	817 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	818 assert(leader() == metaspace_allocation_leader &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	819 trailer() == metaspace_allocation_trailer,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	820 "block has been corrupted");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	821 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	822 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	823
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	824 // Metachunk methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	825
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	826 Metachunk* Metachunk::initialize(MetaWord* ptr, size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	827 // Set bottom, top, and end. Allow space for the Metachunk itself
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	828 Metachunk* chunk = (Metachunk*) ptr;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	829
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	830 MetaWord* chunk_bottom = ptr + _overhead;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	831 chunk->set_bottom(ptr);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	832 chunk->set_top(chunk_bottom);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	833 MetaWord* chunk_end = ptr + word_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	834 assert(chunk_end > chunk_bottom, "Chunk must be too small");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	835 chunk->set_end(chunk_end);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	836 chunk->set_next(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	837 chunk->set_word_size(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	838 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	839 size_t data_word_size = pointer_delta(chunk_end, chunk_bottom, sizeof(MetaWord));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	840 Copy::fill_to_words((HeapWord*) chunk_bottom, data_word_size, metadata_chunk_initialize);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	841 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	842 return chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	843 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	844
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	845
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	846 Metablock* Metachunk::allocate(size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	847 Metablock* result = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	848 // If available, bump the pointer to allocate.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	849 if (free_word_size() >= word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	850 result = Metablock::initialize(_top, word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	851 _top = _top + word_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	852 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	853 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	854 assert(result == NULL \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	855 result->word_size() == word_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	856 "Block size is not set correctly");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	857 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	858 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	859 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	860
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	861 // _bottom points to the start of the chunk including the overhead.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	862 size_t Metachunk::used_word_size() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	863 return pointer_delta(_top, _bottom, sizeof(MetaWord));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	864 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	865
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	866 size_t Metachunk::free_word_size() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	867 return pointer_delta(_end, _top, sizeof(MetaWord));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	868 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	869
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	870 size_t Metachunk::capacity_word_size() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	871 return pointer_delta(_end, _bottom, sizeof(MetaWord));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	872 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	873
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	874 void Metachunk::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	875 st->print_cr("Metachunk:"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	876 " bottom " PTR_FORMAT " top " PTR_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	877 " end " PTR_FORMAT " size " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	878 bottom(), top(), end(), word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	879 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	880
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	881
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	882 void Metachunk::verify() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	883 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	884 // Cannot walk through the blocks unless the blocks have
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	885 // headers with sizes.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	886 MetaWord* curr = bottom() + overhead();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	887 while (curr < top()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	888 Metablock* block = (Metablock*) curr;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	889 size_t word_size = block->word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	890 block->verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	891 curr = curr + word_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	892 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	893 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	894 return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	895 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	896
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	897 // BlockFreelist methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	898
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	899 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	900 BlockFreelist::BlockFreelist() : _dictionary(NULL) {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	901 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	902 BlockFreelist::BlockFreelist() {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	903 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	904
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	905 BlockFreelist::~BlockFreelist() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	906 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	907 if (_dictionary != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	908 if (Verbose && TraceMetadataChunkAllocation) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	909 _dictionary->print_free_lists(gclog_or_tty);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	910 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	911 delete _dictionary;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	912 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	913 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	914 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	915
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	916 Metablock* BlockFreelist::initialize_free_chunk(Metablock* block, size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	917 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	918 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	919 assert(word_size = block->word_size(), "Wrong chunk size");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	920 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	921 Metablock* result = block;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	922 result->setSize(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	923 result->linkPrev(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	924 result->linkNext(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	925
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	926 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	927 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	928 ShouldNotReachHere();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	929 return block;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	930 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	931 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	932
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	933 void BlockFreelist::return_block(Metablock* block, size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	934 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	935 assert(word_size = block->word_size(), "Block size is wrong");;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	936 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	937 Metablock* free_chunk = initialize_free_chunk(block, word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	938 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	939 if (dictionary() == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	940 _dictionary = new BinaryTreeDictionary<Metablock>(false /* adaptive_freelists */);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	941 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	942 dictionary()->returnChunk(free_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	943 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	944 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	945
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	946 Metablock* BlockFreelist::get_block(size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	947 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	948 if (dictionary() == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	949 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	950 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	951
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	952 Metablock* free_chunk =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	953 dictionary()->getChunk(word_size, FreeBlockDictionary<Metablock>::exactly);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	954 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	955 Metablock* free_chunk = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	956 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	957 if (free_chunk == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	958 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	959 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	960 assert(free_chunk->word_size() == word_size, "Size of chunk is incorrect");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	961 Metablock* block = Metablock::initialize((MetaWord*) free_chunk, word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	962 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	963 assert(block->word_size() == word_size, "Block size is not set correctly");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	964 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	965
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	966 return block;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	967 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	968
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	969 void BlockFreelist::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	970 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	971 if (dictionary() == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	972 return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	973 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	974 dictionary()->print_free_lists(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	975 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	976 return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	977 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	978 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	979
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	980 // VirtualSpaceNode methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	981
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	982 VirtualSpaceNode::~VirtualSpaceNode() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	983 _rs.release();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	984 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	985
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	986 size_t VirtualSpaceNode::used_words_in_vs() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	987 return pointer_delta(top(), bottom(), sizeof(MetaWord));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	988 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	989
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	990 // Space committed in the VirtualSpace
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	991 size_t VirtualSpaceNode::capacity_words_in_vs() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	992 return pointer_delta(end(), bottom(), sizeof(MetaWord));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	993 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	994
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	995
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	996 // Allocates the chunk from the virtual space only.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	997 // This interface is also used internally for debugging. Not all
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	998 // chunks removed here are necessarily used for allocation.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	999 Metachunk* VirtualSpaceNode::take_from_committed(size_t chunk_word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1000 // Bottom of the new chunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1001 MetaWord* chunk_limit = top();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1002 assert(chunk_limit != NULL, "Not safe to call this method");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1003
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1004 if (!is_available(chunk_word_size)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1005 if (TraceMetadataChunkAllocation) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1006 tty->print("VirtualSpaceNode::take_from_committed() not available %d words ", chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1007 // Dump some information about the virtual space that is nearly full
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1008 print_on(tty);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1009 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1010 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1011 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1012
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1013 // Take the space (bump top on the current virtual space).
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1014 inc_top(chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1015
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1016 // Point the chunk at the space
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1017 Metachunk* result = Metachunk::initialize(chunk_limit, chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1018 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1019 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1020
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1021
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1022 // Expand the virtual space (commit more of the reserved space)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1023 bool VirtualSpaceNode::expand_by(size_t words, bool pre_touch) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1024 size_t bytes = words * BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1025 bool result = virtual_space()->expand_by(bytes, pre_touch);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1026 if (TraceMetavirtualspaceAllocation && !result) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1027 gclog_or_tty->print_cr("VirtualSpaceNode::expand_by() failed "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1028 "for byte size " SIZE_FORMAT, bytes);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1029 virtual_space()->print();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1030 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1031 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1032 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1033
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1034 // Shrink the virtual space (commit more of the reserved space)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1035 bool VirtualSpaceNode::shrink_by(size_t words) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1036 size_t bytes = words * BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1037 virtual_space()->shrink_by(bytes);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1038 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1039 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1040
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1041 // Add another chunk to the chunk list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1042
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1043 Metachunk* VirtualSpaceNode::get_chunk_vs(size_t chunk_word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1044 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1045 Metachunk* result = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1046
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1047 return take_from_committed(chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1048 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1049
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1050 Metachunk* VirtualSpaceNode::get_chunk_vs_with_expand(size_t chunk_word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1051 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1052
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1053 Metachunk* new_chunk = get_chunk_vs(chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1054
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1055 if (new_chunk == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1056 // Only a small part of the virtualspace is committed when first
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1057 // allocated so committing more here can be expected.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1058 size_t page_size_words = os::vm_page_size() / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1059 size_t aligned_expand_vs_by_words = align_size_up(chunk_word_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1060 page_size_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1061 expand_by(aligned_expand_vs_by_words, false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1062 new_chunk = get_chunk_vs(chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1063 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1064 return new_chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1065 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1066
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1067 bool VirtualSpaceNode::initialize() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1068
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1069 if (!_rs.is_reserved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1070 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1071 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1072
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1073 // Commit only 1 page instead of the whole reserved space _rs.size()
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1074 size_t committed_byte_size = os::vm_page_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1075 bool result = virtual_space()->initialize(_rs, committed_byte_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1076 if (result) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1077 set_top((MetaWord*)virtual_space()->low());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1078 set_reserved(MemRegion((HeapWord*)_rs.base(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1079 (HeapWord*)(_rs.base() + _rs.size())));
6726 03049e0e8544 7195823: NPG: CMS reserved() doesn't match _rs.base(). coleenp parents: 6725 diff changeset	1080
03049e0e8544 7195823: NPG: CMS reserved() doesn't match _rs.base(). coleenp parents: 6725 diff changeset	1081 assert(reserved()->start() == (HeapWord*) _rs.base(),
03049e0e8544 7195823: NPG: CMS reserved() doesn't match _rs.base(). coleenp parents: 6725 diff changeset	1082 err_msg("Reserved start was not set properly " PTR_FORMAT
03049e0e8544 7195823: NPG: CMS reserved() doesn't match _rs.base(). coleenp parents: 6725 diff changeset	1083 " != " PTR_FORMAT, reserved()->start(), _rs.base()));
03049e0e8544 7195823: NPG: CMS reserved() doesn't match _rs.base(). coleenp parents: 6725 diff changeset	1084 assert(reserved()->word_size() == _rs.size() / BytesPerWord,
03049e0e8544 7195823: NPG: CMS reserved() doesn't match _rs.base(). coleenp parents: 6725 diff changeset	1085 err_msg("Reserved size was not set properly " SIZE_FORMAT
03049e0e8544 7195823: NPG: CMS reserved() doesn't match _rs.base(). coleenp parents: 6725 diff changeset	1086 " != " SIZE_FORMAT, reserved()->word_size(),
03049e0e8544 7195823: NPG: CMS reserved() doesn't match _rs.base(). coleenp parents: 6725 diff changeset	1087 _rs.size() / BytesPerWord));
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1088 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1089
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1090 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1091 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1092
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1093 void VirtualSpaceNode::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1094 size_t used = used_words_in_vs();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1095 size_t capacity = capacity_words_in_vs();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1096 VirtualSpace* vs = virtual_space();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1097 st->print_cr(" space @ " PTR_FORMAT " " SIZE_FORMAT "K, %3d%% used "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1098 "[" PTR_FORMAT ", " PTR_FORMAT ", "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1099 PTR_FORMAT ", " PTR_FORMAT ")",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1100 vs, capacity / K, used * 100 / capacity,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1101 bottom(), top(), end(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1102 vs->high_boundary());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1103 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1104
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1105 void VirtualSpaceNode::mangle() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1106 size_t word_size = capacity_words_in_vs();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1107 Copy::fill_to_words((HeapWord*) low(), word_size, 0xf1f1f1f1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1108 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1109
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1110 // VirtualSpaceList methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1111 // Space allocated from the VirtualSpace
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1112
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1113 VirtualSpaceList::~VirtualSpaceList() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1114 VirtualSpaceListIterator iter(virtual_space_list());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1115 while (iter.repeat()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1116 VirtualSpaceNode* vsl = iter.get_next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1117 delete vsl;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1118 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1119 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1120
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1121 size_t VirtualSpaceList::used_words_sum() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1122 size_t allocated_by_vs = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1123 VirtualSpaceListIterator iter(virtual_space_list());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1124 while (iter.repeat()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1125 VirtualSpaceNode* vsl = iter.get_next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1126 // Sum used region [bottom, top) in each virtualspace
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1127 allocated_by_vs += vsl->used_words_in_vs();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1128 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1129 assert(allocated_by_vs >= chunk_manager()->free_chunks_total(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1130 err_msg("Total in free chunks " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1131 " greater than total from virtual_spaces " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1132 allocated_by_vs, chunk_manager()->free_chunks_total()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1133 size_t used =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1134 allocated_by_vs - chunk_manager()->free_chunks_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1135 return used;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1136 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1137
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1138 // Space available in all MetadataVirtualspaces allocated
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1139 // for metadata. This is the upper limit on the capacity
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1140 // of chunks allocated out of all the MetadataVirtualspaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1141 size_t VirtualSpaceList::capacity_words_sum() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1142 size_t capacity = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1143 VirtualSpaceListIterator iter(virtual_space_list());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1144 while (iter.repeat()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1145 VirtualSpaceNode* vsl = iter.get_next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1146 capacity += vsl->capacity_words_in_vs();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1147 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1148 return capacity;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1149 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1150
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1151 VirtualSpaceList::VirtualSpaceList(size_t word_size ) :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1152 _is_class(false),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1153 _virtual_space_list(NULL),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1154 _current_virtual_space(NULL),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1155 _virtual_space_total(0),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1156 _virtual_space_count(0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1157 MutexLockerEx cl(SpaceManager::expand_lock(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1158 Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1159 bool initialization_succeeded = grow_vs(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1160
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1161 assert(initialization_succeeded,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1162 " VirtualSpaceList initialization should not fail");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1163 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1164
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1165 VirtualSpaceList::VirtualSpaceList(ReservedSpace rs) :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1166 _is_class(true),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1167 _virtual_space_list(NULL),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1168 _current_virtual_space(NULL),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1169 _virtual_space_total(0),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1170 _virtual_space_count(0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1171 MutexLockerEx cl(SpaceManager::expand_lock(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1172 Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1173 VirtualSpaceNode* class_entry = new VirtualSpaceNode(rs);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1174 bool succeeded = class_entry->initialize();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1175 assert(succeeded, " VirtualSpaceList initialization should not fail");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1176 link_vs(class_entry, rs.size()/BytesPerWord);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1177 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1178
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1179 // Allocate another meta virtual space and add it to the list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1180 bool VirtualSpaceList::grow_vs(size_t vs_word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1181 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1182 if (vs_word_size == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1183 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1184 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1185 // Reserve the space
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1186 size_t vs_byte_size = vs_word_size * BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1187 assert(vs_byte_size % os::vm_page_size() == 0, "Not aligned");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1188
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1189 // Allocate the meta virtual space and initialize it.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1190 VirtualSpaceNode* new_entry = new VirtualSpaceNode(vs_byte_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1191 if (!new_entry->initialize()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1192 delete new_entry;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1193 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1194 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1195 link_vs(new_entry, vs_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1196 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1197 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1198 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1199
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1200 void VirtualSpaceList::link_vs(VirtualSpaceNode* new_entry, size_t vs_word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1201 if (virtual_space_list() == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1202 set_virtual_space_list(new_entry);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1203 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1204 current_virtual_space()->set_next(new_entry);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1205 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1206 set_current_virtual_space(new_entry);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1207 inc_virtual_space_total(vs_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1208 inc_virtual_space_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1209 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1210 new_entry->mangle();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1211 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1212 if (TraceMetavirtualspaceAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1213 VirtualSpaceNode* vsl = current_virtual_space();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1214 vsl->print_on(tty);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1215 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1216 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1217
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1218 Metachunk* VirtualSpaceList::get_new_chunk(size_t word_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1219 size_t grow_chunks_by_words) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1220
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1221 // Get a chunk from the chunk freelist
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1222 Metachunk* next = chunk_manager()->chunk_freelist_allocate(grow_chunks_by_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1223
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1224 // Allocate a chunk out of the current virtual space.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1225 if (next == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1226 next = current_virtual_space()->get_chunk_vs(grow_chunks_by_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1227 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1228
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1229 if (next == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1230 // Not enough room in current virtual space. Try to commit
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1231 // more space.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1232 size_t expand_vs_by_words = MAX2((size_t)SpaceManager::MediumChunkBunch,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1233 grow_chunks_by_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1234 size_t page_size_words = os::vm_page_size() / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1235 size_t aligned_expand_vs_by_words = align_size_up(expand_vs_by_words,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1236 page_size_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1237 bool vs_expanded =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1238 current_virtual_space()->expand_by(aligned_expand_vs_by_words, false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1239 if (!vs_expanded) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1240 // Should the capacity of the metaspaces be expanded for
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1241 // this allocation? If it's the virtual space for classes and is
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1242 // being used for CompressedHeaders, don't allocate a new virtualspace.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1243 if (can_grow() && MetaspaceGC::should_expand(this, word_size)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1244 // Get another virtual space.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1245 size_t grow_vs_words =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1246 MAX2((size_t)VirtualSpaceSize, aligned_expand_vs_by_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1247 if (grow_vs(grow_vs_words)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1248 // Got it. It's on the list now. Get a chunk from it.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1249 next = current_virtual_space()->get_chunk_vs_with_expand(grow_chunks_by_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1250 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1251 if (TraceMetadataHumongousAllocation && SpaceManager::is_humongous(word_size)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1252 gclog_or_tty->print_cr(" aligned_expand_vs_by_words " PTR_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1253 aligned_expand_vs_by_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1254 gclog_or_tty->print_cr(" grow_vs_words " PTR_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1255 grow_vs_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1256 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1257 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1258 // Allocation will fail and induce a GC
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1259 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1260 gclog_or_tty->print_cr("VirtualSpaceList::get_new_chunk():"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1261 " Fail instead of expand the metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1262 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1263 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1264 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1265 // The virtual space expanded, get a new chunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1266 next = current_virtual_space()->get_chunk_vs(grow_chunks_by_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1267 assert(next != NULL, "Just expanded, should succeed");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1268 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1269 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1270
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1271 return next;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1272 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1273
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1274 void VirtualSpaceList::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1275 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1276 VirtualSpaceListIterator iter(virtual_space_list());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1277 while (iter.repeat()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1278 VirtualSpaceNode* node = iter.get_next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1279 node->print_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1280 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1281 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1282 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1283
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1284 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1285 bool VirtualSpaceList::contains(const void *ptr) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1286 VirtualSpaceNode* list = virtual_space_list();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1287 VirtualSpaceListIterator iter(list);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1288 while (iter.repeat()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1289 VirtualSpaceNode* node = iter.get_next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1290 if (node->reserved()->contains(ptr)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1291 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1292 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1293 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1294 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1295 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1296 #endif // PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1297
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1298
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1299 // MetaspaceGC methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1300
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1301 // VM_CollectForMetadataAllocation is the vm operation used to GC.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1302 // Within the VM operation after the GC the attempt to allocate the metadata
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1303 // should succeed. If the GC did not free enough space for the metaspace
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1304 // allocation, the HWM is increased so that another virtualspace will be
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1305 // allocated for the metadata. With perm gen the increase in the perm
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1306 // gen had bounds, MinMetaspaceExpansion and MaxMetaspaceExpansion. The
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1307 // metaspace policy uses those as the small and large steps for the HWM.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1308 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1309 // After the GC the compute_new_size() for MetaspaceGC is called to
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1310 // resize the capacity of the metaspaces. The current implementation
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1311 // is based on the flags MinHeapFreeRatio and MaxHeapFreeRatio used
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1312 // to resize the Java heap by some GC's. New flags can be implemented
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1313 // if really needed. MinHeapFreeRatio is used to calculate how much
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1314 // free space is desirable in the metaspace capacity to decide how much
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1315 // to increase the HWM. MaxHeapFreeRatio is used to decide how much
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1316 // free space is desirable in the metaspace capacity before decreasing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1317 // the HWM.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1318
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1319 // Calculate the amount to increase the high water mark (HWM).
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1320 // Increase by a minimum amount (MinMetaspaceExpansion) so that
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1321 // another expansion is not requested too soon. If that is not
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1322 // enough to satisfy the allocation (i.e. big enough for a word_size
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1323 // allocation), increase by MaxMetaspaceExpansion. If that is still
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1324 // not enough, expand by the size of the allocation (word_size) plus
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1325 // some.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1326 size_t MetaspaceGC::delta_capacity_until_GC(size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1327 size_t before_inc = MetaspaceGC::capacity_until_GC();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1328 size_t min_delta_words = MinMetaspaceExpansion / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1329 size_t max_delta_words = MaxMetaspaceExpansion / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1330 size_t page_size_words = os::vm_page_size() / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1331 size_t size_delta_words = align_size_up(word_size, page_size_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1332 size_t delta_words = MAX2(size_delta_words, min_delta_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1333 if (delta_words > min_delta_words) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1334 // Don't want to hit the high water mark on the next
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1335 // allocation so make the delta greater than just enough
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1336 // for this allocation.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1337 delta_words = MAX2(delta_words, max_delta_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1338 if (delta_words > max_delta_words) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1339 // This allocation is large but the next ones are probably not
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1340 // so increase by the minimum.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1341 delta_words = delta_words + min_delta_words;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1342 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1343 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1344 return delta_words;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1345 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1346
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1347 bool MetaspaceGC::should_expand(VirtualSpaceList* vsl, size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1348
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1349 // Class virtual space should always be expanded. Call GC for the other
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1350 // metadata virtual space.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1351 if (vsl == Metaspace::class_space_list()) return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1352
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1353 // If the user wants a limit, impose one.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1354 size_t max_metaspace_size_words = MaxMetaspaceSize / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1355 size_t metaspace_size_words = MetaspaceSize / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1356 if (!FLAG_IS_DEFAULT(MaxMetaspaceSize) &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1357 vsl->capacity_words_sum() >= max_metaspace_size_words) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1358 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1359 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1360
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1361 // If this is part of an allocation after a GC, expand
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1362 // unconditionally.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1363 if(MetaspaceGC::expand_after_GC()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1364 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1365 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1366
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1367 // If the capacity is below the minimum capacity, allow the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1368 // expansion. Also set the high-water-mark (capacity_until_GC)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1369 // to that minimum capacity so that a GC will not be induced
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1370 // until that minimum capacity is exceeded.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1371 if (vsl->capacity_words_sum() < metaspace_size_words \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1372 capacity_until_GC() == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1373 set_capacity_until_GC(metaspace_size_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1374 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1375 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1376 if (vsl->capacity_words_sum() < capacity_until_GC()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1377 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1378 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1379 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1380 gclog_or_tty->print_cr(" allocation request size " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1381 " capacity_until_GC " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1382 " capacity_words_sum " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1383 " used_words_sum " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1384 " free chunks " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1385 " free chunks count %d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1386 word_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1387 capacity_until_GC(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1388 vsl->capacity_words_sum(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1389 vsl->used_words_sum(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1390 vsl->chunk_manager()->free_chunks_total(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1391 vsl->chunk_manager()->free_chunks_count());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1392 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1393 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1394 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1395 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1396 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1397
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1398 // Variables are in bytes
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1399
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1400 void MetaspaceGC::compute_new_size() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1401 assert(_shrink_factor <= 100, "invalid shrink factor");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1402 uint current_shrink_factor = _shrink_factor;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1403 _shrink_factor = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1404
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1405 VirtualSpaceList *vsl = Metaspace::space_list();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1406
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1407 size_t capacity_after_gc = vsl->capacity_bytes_sum();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1408 // Check to see if these two can be calculated without walking the CLDG
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1409 size_t used_after_gc = vsl->used_bytes_sum();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1410 size_t capacity_until_GC = vsl->capacity_bytes_sum();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1411 size_t free_after_gc = capacity_until_GC - used_after_gc;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1412
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1413 const double minimum_free_percentage = MinHeapFreeRatio / 100.0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1414 const double maximum_used_percentage = 1.0 - minimum_free_percentage;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1415
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1416 const double min_tmp = used_after_gc / maximum_used_percentage;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1417 size_t minimum_desired_capacity =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1418 (size_t)MIN2(min_tmp, double(max_uintx));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1419 // Don't shrink less than the initial generation size
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1420 minimum_desired_capacity = MAX2(minimum_desired_capacity,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1421 MetaspaceSize);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1422
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1423 if (PrintGCDetails && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1424 const double free_percentage = ((double)free_after_gc) / capacity_until_GC;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1425 gclog_or_tty->print_cr("\nMetaspaceGC::compute_new_size: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1426 gclog_or_tty->print_cr(" "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1427 " minimum_free_percentage: %6.2f"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1428 " maximum_used_percentage: %6.2f",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1429 minimum_free_percentage,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1430 maximum_used_percentage);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1431 double d_free_after_gc = free_after_gc / (double) K;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1432 gclog_or_tty->print_cr(" "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1433 " free_after_gc : %6.1fK"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1434 " used_after_gc : %6.1fK"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1435 " capacity_after_gc : %6.1fK"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1436 " metaspace HWM : %6.1fK",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1437 free_after_gc / (double) K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1438 used_after_gc / (double) K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1439 capacity_after_gc / (double) K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1440 capacity_until_GC / (double) K);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1441 gclog_or_tty->print_cr(" "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1442 " free_percentage: %6.2f",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1443 free_percentage);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1444 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1445
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1446
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1447 if (capacity_until_GC < minimum_desired_capacity) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1448 // If we have less capacity below the metaspace HWM, then
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1449 // increment the HWM.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1450 size_t expand_bytes = minimum_desired_capacity - capacity_until_GC;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1451 // Don't expand unless it's significant
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1452 if (expand_bytes >= MinMetaspaceExpansion) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1453 size_t expand_words = expand_bytes / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1454 MetaspaceGC::inc_capacity_until_GC(expand_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1455 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1456 if (PrintGCDetails && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1457 size_t new_capacity_until_GC = MetaspaceGC::capacity_until_GC_in_bytes();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1458 gclog_or_tty->print_cr(" expanding:"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1459 " minimum_desired_capacity: %6.1fK"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1460 " expand_words: %6.1fK"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1461 " MinMetaspaceExpansion: %6.1fK"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1462 " new metaspace HWM: %6.1fK",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1463 minimum_desired_capacity / (double) K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1464 expand_bytes / (double) K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1465 MinMetaspaceExpansion / (double) K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1466 new_capacity_until_GC / (double) K);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1467 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1468 return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1469 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1470
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1471 // No expansion, now see if we want to shrink
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1472 size_t shrink_words = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1473 // We would never want to shrink more than this
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1474 size_t max_shrink_words = capacity_until_GC - minimum_desired_capacity;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1475 assert(max_shrink_words >= 0, err_msg("max_shrink_words " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1476 max_shrink_words));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1477
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1478 // Should shrinking be considered?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1479 if (MaxHeapFreeRatio < 100) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1480 const double maximum_free_percentage = MaxHeapFreeRatio / 100.0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1481 const double minimum_used_percentage = 1.0 - maximum_free_percentage;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1482 const double max_tmp = used_after_gc / minimum_used_percentage;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1483 size_t maximum_desired_capacity = (size_t)MIN2(max_tmp, double(max_uintx));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1484 maximum_desired_capacity = MAX2(maximum_desired_capacity,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1485 MetaspaceSize);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1486 if (PrintGC && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1487 gclog_or_tty->print_cr(" "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1488 " maximum_free_percentage: %6.2f"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1489 " minimum_used_percentage: %6.2f",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1490 maximum_free_percentage,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1491 minimum_used_percentage);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1492 gclog_or_tty->print_cr(" "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1493 " capacity_until_GC: %6.1fK"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1494 " minimum_desired_capacity: %6.1fK"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1495 " maximum_desired_capacity: %6.1fK",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1496 capacity_until_GC / (double) K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1497 minimum_desired_capacity / (double) K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1498 maximum_desired_capacity / (double) K);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1499 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1500
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1501 assert(minimum_desired_capacity <= maximum_desired_capacity,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1502 "sanity check");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1503
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1504 if (capacity_until_GC > maximum_desired_capacity) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1505 // Capacity too large, compute shrinking size
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1506 shrink_words = capacity_until_GC - maximum_desired_capacity;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1507 // We don't want shrink all the way back to initSize if people call
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1508 // System.gc(), because some programs do that between "phases" and then
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1509 // we'd just have to grow the heap up again for the next phase. So we
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1510 // damp the shrinking: 0% on the first call, 10% on the second call, 40%
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1511 // on the third call, and 100% by the fourth call. But if we recompute
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1512 // size without shrinking, it goes back to 0%.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1513 shrink_words = shrink_words / 100 * current_shrink_factor;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1514 assert(shrink_words <= max_shrink_words,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1515 err_msg("invalid shrink size " SIZE_FORMAT " not <= " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1516 shrink_words, max_shrink_words));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1517 if (current_shrink_factor == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1518 _shrink_factor = 10;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1519 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1520 _shrink_factor = MIN2(current_shrink_factor * 4, (uint) 100);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1521 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1522 if (PrintGCDetails && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1523 gclog_or_tty->print_cr(" "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1524 " shrinking:"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1525 " initSize: %.1fK"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1526 " maximum_desired_capacity: %.1fK",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1527 MetaspaceSize / (double) K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1528 maximum_desired_capacity / (double) K);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1529 gclog_or_tty->print_cr(" "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1530 " shrink_words: %.1fK"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1531 " current_shrink_factor: %d"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1532 " new shrink factor: %d"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1533 " MinMetaspaceExpansion: %.1fK",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1534 shrink_words / (double) K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1535 current_shrink_factor,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1536 _shrink_factor,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1537 MinMetaspaceExpansion / (double) K);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1538 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1539 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1540 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1541
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1542
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1543 // Don't shrink unless it's significant
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1544 if (shrink_words >= MinMetaspaceExpansion) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1545 VirtualSpaceNode* csp = vsl->current_virtual_space();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1546 size_t available_to_shrink = csp->capacity_words_in_vs() -
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1547 csp->used_words_in_vs();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1548 shrink_words = MIN2(shrink_words, available_to_shrink);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1549 csp->shrink_by(shrink_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1550 MetaspaceGC::dec_capacity_until_GC(shrink_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1551 if (PrintGCDetails && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1552 size_t new_capacity_until_GC = MetaspaceGC::capacity_until_GC_in_bytes();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1553 gclog_or_tty->print_cr(" metaspace HWM: %.1fK", new_capacity_until_GC / (double) K);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1554 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1555 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1556 assert(vsl->used_bytes_sum() == used_after_gc &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1557 used_after_gc <= vsl->capacity_bytes_sum(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1558 "sanity check");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1559
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1560 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1561
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1562 // Metadebug methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1563
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1564 void Metadebug::deallocate_chunk_a_lot(SpaceManager* sm,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1565 size_t chunk_word_size){
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1566 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1567 VirtualSpaceList* vsl = sm->vs_list();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1568 if (MetaDataDeallocateALot &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1569 Metadebug::deallocate_chunk_a_lot_count() % MetaDataDeallocateALotInterval == 0 ) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1570 Metadebug::reset_deallocate_chunk_a_lot_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1571 for (uint i = 0; i < metadata_deallocate_a_lock_chunk; i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1572 Metachunk* dummy_chunk = vsl->current_virtual_space()->take_from_committed(chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1573 if (dummy_chunk == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1574 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1575 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1576 vsl->chunk_manager()->chunk_freelist_deallocate(dummy_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1577
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1578 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1579 gclog_or_tty->print("Metadebug::deallocate_chunk_a_lot: %d) ",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1580 sm->sum_count_in_chunks_in_use());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1581 dummy_chunk->print_on(gclog_or_tty);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1582 gclog_or_tty->print_cr(" Free chunks total %d count %d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1583 vsl->chunk_manager()->free_chunks_total(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1584 vsl->chunk_manager()->free_chunks_count());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1585 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1586 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1587 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1588 Metadebug::inc_deallocate_chunk_a_lot_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1589 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1590 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1591 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1592
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1593 void Metadebug::deallocate_block_a_lot(SpaceManager* sm,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1594 size_t raw_word_size){
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1595 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1596 if (MetaDataDeallocateALot &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1597 Metadebug::deallocate_block_a_lot_count() % MetaDataDeallocateALotInterval == 0 ) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1598 Metadebug::set_deallocate_block_a_lot_count(0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1599 for (uint i = 0; i < metadata_deallocate_a_lot_block; i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1600 Metablock* dummy_block = sm->allocate_work(raw_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1601 if (dummy_block == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1602 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1603 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1604 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1605 assert(dummy_block->word_size() == raw_word_size, "Block size is not set correctly");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1606 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1607 sm->deallocate(dummy_block->data());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1608 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1609 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1610 Metadebug::inc_deallocate_block_a_lot_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1611 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1612 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1613 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1614
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1615 void Metadebug::init_allocation_fail_alot_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1616 if (MetadataAllocationFailALot) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1617 _allocation_fail_alot_count =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1618 1+(long)((double)MetadataAllocationFailALotInterval*os::random()/(max_jint+1.0));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1619 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1620 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1621
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1622 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1623 bool Metadebug::test_metadata_failure() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1624 if (MetadataAllocationFailALot &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1625 Threads::is_vm_complete()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1626 if (_allocation_fail_alot_count > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1627 _allocation_fail_alot_count--;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1628 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1629 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1630 gclog_or_tty->print_cr("Metadata allocation failing for "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1631 "MetadataAllocationFailALot");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1632 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1633 init_allocation_fail_alot_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1634 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1635 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1636 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1637 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1638 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1639 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1640
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1641 // ChunkList methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1642
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1643 size_t ChunkList::sum_list_size() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1644 size_t result = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1645 Metachunk* cur = head();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1646 while (cur != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1647 result += cur->word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1648 cur = cur->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1649 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1650 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1651 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1652
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1653 size_t ChunkList::sum_list_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1654 size_t result = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1655 Metachunk* cur = head();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1656 while (cur != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1657 result++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1658 cur = cur->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1659 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1660 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1661 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1662
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1663 size_t ChunkList::sum_list_capacity() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1664 size_t result = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1665 Metachunk* cur = head();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1666 while (cur != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1667 result += cur->capacity_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1668 cur = cur->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1669 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1670 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1671 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1672
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1673 void ChunkList::add_at_head(Metachunk* head, Metachunk* tail) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1674 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1675 assert(tail->next() == NULL, "Not the tail");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1676
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1677 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1678 tty->print("ChunkList::add_at_head: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1679 Metachunk* cur = head;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1680 while (cur != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1681 tty->print(PTR_FORMAT " (" SIZE_FORMAT ") ", cur, cur->word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1682 cur = cur->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1683 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1684 tty->print_cr("");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1685 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1686
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1687 if (tail != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1688 tail->set_next(_head);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1689 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1690 set_head(head);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1691 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1692
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1693 void ChunkList::add_at_head(Metachunk* list) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1694 if (list == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1695 // Nothing to add
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1696 return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1697 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1698 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1699 Metachunk* head = list;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1700 Metachunk* tail = list;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1701 Metachunk* cur = head->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1702 // Search for the tail since it is not passed.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1703 while (cur != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1704 tail = cur;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1705 cur = cur->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1706 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1707 add_at_head(head, tail);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1708 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1709
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1710 // ChunkManager methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1711
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1712 // Verification of _free_chunks_total and _free_chunks_count does not
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1713 // work with the CMS collector because its use of additional locks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1714 // complicate the mutex deadlock detection but it can still be useful
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1715 // for detecting errors in the chunk accounting with other collectors.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1716
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1717 size_t ChunkManager::free_chunks_total() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1718 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1719 if (!UseConcMarkSweepGC && !SpaceManager::expand_lock()->is_locked()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1720 MutexLockerEx cl(SpaceManager::expand_lock(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1721 Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1722 locked_verify_free_chunks_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1723 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1724 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1725 return _free_chunks_total;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1726 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1727
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1728 size_t ChunkManager::free_chunks_total_in_bytes() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1729 return free_chunks_total() * BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1730 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1731
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1732 size_t ChunkManager::free_chunks_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1733 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1734 if (!UseConcMarkSweepGC && !SpaceManager::expand_lock()->is_locked()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1735 MutexLockerEx cl(SpaceManager::expand_lock(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1736 Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1737 // This lock is only needed in debug because the verification
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1738 // of the _free_chunks_totals walks the list of free chunks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1739 locked_verify_free_chunks_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1740 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1741 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1742 return _free_chunks_count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1743 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1744
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1745 void ChunkManager::locked_verify_free_chunks_total() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1746 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1747 assert(sum_free_chunks() == _free_chunks_total,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1748 err_msg("_free_chunks_total " SIZE_FORMAT " is not the"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1749 " same as sum " SIZE_FORMAT, _free_chunks_total,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1750 sum_free_chunks()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1751 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1752
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1753 void ChunkManager::verify_free_chunks_total() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1754 MutexLockerEx cl(SpaceManager::expand_lock(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1755 Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1756 locked_verify_free_chunks_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1757 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1758
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1759 void ChunkManager::locked_verify_free_chunks_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1760 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1761 assert(sum_free_chunks_count() == _free_chunks_count,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1762 err_msg("_free_chunks_count " SIZE_FORMAT " is not the"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1763 " same as sum " SIZE_FORMAT, _free_chunks_count,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1764 sum_free_chunks_count()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1765 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1766
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1767 void ChunkManager::verify_free_chunks_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1768 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1769 MutexLockerEx cl(SpaceManager::expand_lock(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1770 Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1771 locked_verify_free_chunks_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1772 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1773 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1774
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1775 void ChunkManager::verify() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1776 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1777 if (!UseConcMarkSweepGC) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1778 MutexLockerEx cl(SpaceManager::expand_lock(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1779 Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1780 locked_verify_free_chunks_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1781 locked_verify_free_chunks_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1782 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1783 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1784 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1785
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1786 void ChunkManager::locked_verify() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1787 locked_verify_free_chunks_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1788 locked_verify_free_chunks_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1789 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1790
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1791 void ChunkManager::locked_print_free_chunks(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1792 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1793 st->print_cr("Free chunk total 0x%x count 0x%x",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1794 _free_chunks_total, _free_chunks_count);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1795 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1796
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1797 void ChunkManager::locked_print_sum_free_chunks(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1798 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1799 st->print_cr("Sum free chunk total 0x%x count 0x%x",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1800 sum_free_chunks(), sum_free_chunks_count());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1801 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1802 ChunkList* ChunkManager::free_chunks(ChunkIndex index) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1803 return &_free_chunks[index];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1804 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1805
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1806
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1807 // These methods that sum the free chunk lists are used in printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1808 // methods that are used in product builds.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1809 size_t ChunkManager::sum_free_chunks() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1810 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1811 size_t result = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1812 for (ChunkIndex i = SmallIndex; i < NumberOfFreeLists; i = next_chunk_index(i)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1813 ChunkList* list = free_chunks(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1814
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1815 if (list == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1816 continue;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1817 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1818
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1819 result = result + list->sum_list_capacity();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1820 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1821 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1822 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1823
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1824 size_t ChunkManager::sum_free_chunks_count() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1825 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1826 size_t count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1827 for (ChunkIndex i = SmallIndex; i < NumberOfFreeLists; i = next_chunk_index(i)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1828 ChunkList* list = free_chunks(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1829 if (list == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1830 continue;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1831 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1832 count = count + list->sum_list_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1833 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1834 return count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1835 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1836
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1837 ChunkList* ChunkManager::find_free_chunks_list(size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1838 switch (word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1839 case SpaceManager::SmallChunk :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1840 return &_free_chunks[0];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1841 case SpaceManager::MediumChunk :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1842 return &_free_chunks[1];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1843 default:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1844 assert(word_size > SpaceManager::MediumChunk, "List inconsistency");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1845 return &_free_chunks[2];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1846 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1847 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1848
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1849 void ChunkManager::free_chunks_put(Metachunk* chunk) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1850 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1851 ChunkList* free_list = find_free_chunks_list(chunk->word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1852 chunk->set_next(free_list->head());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1853 free_list->set_head(chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1854 // chunk is being returned to the chunk free list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1855 inc_free_chunks_total(chunk->capacity_word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1856 locked_verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1857 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1858
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1859 void ChunkManager::chunk_freelist_deallocate(Metachunk* chunk) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1860 // The deallocation of a chunk originates in the freelist
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1861 // manangement code for a Metaspace and does not hold the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1862 // lock.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1863 assert(chunk != NULL, "Deallocating NULL");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1864 // MutexLockerEx fcl(SpaceManager::expand_lock(), Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1865 locked_verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1866 if (TraceMetadataChunkAllocation) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1867 tty->print_cr("ChunkManager::chunk_freelist_deallocate: chunk "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1868 PTR_FORMAT " size " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1869 chunk, chunk->word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1870 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1871 free_chunks_put(chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1872 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1873
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1874 Metachunk* ChunkManager::free_chunks_get(size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1875 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1876
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1877 locked_verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1878 ChunkList* free_list = find_free_chunks_list(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1879 assert(free_list != NULL, "Sanity check");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1880
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1881 Metachunk* chunk = free_list->head();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1882 debug_only(Metachunk* debug_head = chunk;)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1883
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1884 if (chunk == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1885 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1886 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1887
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1888 Metachunk* prev_chunk = chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1889 if (chunk->word_size() == word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1890 // Chunk is being removed from the chunks free list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1891 dec_free_chunks_total(chunk->capacity_word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1892 // Remove the chunk as the head of the list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1893 free_list->set_head(chunk->next());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1894 chunk->set_next(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1895
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1896 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1897 tty->print_cr("ChunkManager::free_chunks_get: free_list "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1898 PTR_FORMAT " head " PTR_FORMAT " size " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1899 free_list, chunk, chunk->word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1900 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1901 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1902 assert(SpaceManager::is_humongous(word_size),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1903 "Should only need to check humongous");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1904 // This code to find the best fit is just for purposes of
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1905 // investigating the loss due to fragmentation on a humongous
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1906 // chunk. It will be replace by a binaryTreeDictionary for
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1907 // the humongous chunks.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1908 uint count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1909 Metachunk* best_fit = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1910 Metachunk* best_fit_prev = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1911 while (chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1912 count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1913 if (chunk->word_size() < word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1914 prev_chunk = chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1915 chunk = chunk->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1916 } else if (chunk->word_size() == word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1917 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1918 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1919 if (best_fit == NULL \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1920 best_fit->word_size() > chunk->word_size()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1921 best_fit_prev = prev_chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1922 best_fit = chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1923 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1924 prev_chunk = chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1925 chunk = chunk->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1926 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1927 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1928 if (chunk == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1929 prev_chunk = best_fit_prev;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1930 chunk = best_fit;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1931 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1932 if (chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1933 if (TraceMetadataHumongousAllocation) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1934 size_t waste = chunk->word_size() - word_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1935 tty->print_cr("Free list allocate humongous chunk size " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1936 " for requested size " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1937 " waste " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1938 " found at " SIZE_FORMAT " of " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1939 chunk->word_size(), word_size, waste,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1940 count, free_list->sum_list_count());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1941 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1942 // Chunk is being removed from the chunks free list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1943 dec_free_chunks_total(chunk->capacity_word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1944 // Remove the chunk if it is at the head of the list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1945 if (chunk == free_list->head()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1946 free_list->set_head(chunk->next());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1947
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1948 if (TraceMetadataHumongousAllocation) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1949 tty->print_cr("ChunkManager::free_chunks_get: humongous free_list "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1950 PTR_FORMAT " chunk " PTR_FORMAT " size " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1951 " new head " PTR_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1952 free_list, chunk, chunk->word_size(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1953 free_list->head());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1954 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1955 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1956 // Remove a chunk in the interior of the list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1957 prev_chunk->set_next(chunk->next());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1958
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1959 if (TraceMetadataHumongousAllocation) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1960 tty->print_cr("ChunkManager::free_chunks_get: humongous free_list "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1961 PTR_FORMAT " chunk " PTR_FORMAT " size " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1962 PTR_FORMAT " prev " PTR_FORMAT " next " PTR_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1963 free_list, chunk, chunk->word_size(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1964 prev_chunk, chunk->next());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1965 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1966 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1967 chunk->set_next(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1968 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1969 if (TraceMetadataHumongousAllocation) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1970 tty->print_cr("ChunkManager::free_chunks_get: New humongous chunk of size "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1971 SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1972 word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1973 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1974 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1975 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1976 locked_verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1977 return chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1978 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1979
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1980 Metachunk* ChunkManager::chunk_freelist_allocate(size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1981 assert_lock_strong(SpaceManager::expand_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1982 locked_verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1983
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1984 // Take from the beginning of the list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1985 Metachunk* chunk = free_chunks_get(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1986 if (chunk == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1987 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1988 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1989
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1990 assert(word_size <= chunk->word_size() \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1991 SpaceManager::is_humongous(chunk->word_size()),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1992 "Non-humongous variable sized chunk");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1993 if (TraceMetadataChunkAllocation) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1994 tty->print("ChunkManager::chunk_freelist_allocate: chunk "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1995 PTR_FORMAT " size " SIZE_FORMAT " ",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1996 chunk, chunk->word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1997 locked_print_free_chunks(tty);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1998 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1999
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2000 return chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2001 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2002
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2003 // SpaceManager methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2004
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2005 size_t SpaceManager::sum_free_in_chunks_in_use() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2006 MutexLockerEx cl(lock(), Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2007 size_t free = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2008 for (ChunkIndex i = SmallIndex; i < NumberOfFreeLists; i = next_chunk_index(i)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2009 Metachunk* chunk = chunks_in_use(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2010 while (chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2011 free += chunk->free_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2012 chunk = chunk->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2013 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2014 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2015 return free;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2016 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2017
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2018 size_t SpaceManager::sum_waste_in_chunks_in_use() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2019 MutexLockerEx cl(lock(), Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2020 size_t result = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2021 for (ChunkIndex i = SmallIndex; i < NumberOfFreeLists; i = next_chunk_index(i)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2022 // Count the free space in all the chunk but not the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2023 // current chunk from which allocations are still being done.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2024 result += sum_waste_in_chunks_in_use(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2025 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2026 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2027 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2028
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2029 size_t SpaceManager::sum_waste_in_chunks_in_use(ChunkIndex index) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2030 size_t result = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2031 size_t count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2032 Metachunk* chunk = chunks_in_use(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2033 // Count the free space in all the chunk but not the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2034 // current chunk from which allocations are still being done.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2035 if (chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2036 while (chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2037 if (chunk != current_chunk()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2038 result += chunk->free_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2039 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2040 chunk = chunk->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2041 count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2042 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2043 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2044 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2045 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2046
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2047 size_t SpaceManager::sum_capacity_in_chunks_in_use() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2048 MutexLockerEx cl(lock(), Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2049 size_t sum = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2050 for (ChunkIndex i = SmallIndex; i < NumberOfFreeLists; i = next_chunk_index(i)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2051 Metachunk* chunk = chunks_in_use(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2052 while (chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2053 // Just changed this sum += chunk->capacity_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2054 // sum += chunk->word_size() - Metachunk::overhead();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2055 sum += chunk->capacity_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2056 chunk = chunk->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2057 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2058 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2059 return sum;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2060 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2061
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2062 size_t SpaceManager::sum_count_in_chunks_in_use() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2063 size_t count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2064 for (ChunkIndex i = SmallIndex; i < NumberOfFreeLists; i = next_chunk_index(i)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2065 count = count + sum_count_in_chunks_in_use(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2066 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2067 return count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2068 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2069
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2070 size_t SpaceManager::sum_count_in_chunks_in_use(ChunkIndex i) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2071 size_t count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2072 Metachunk* chunk = chunks_in_use(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2073 while (chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2074 count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2075 chunk = chunk->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2076 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2077 return count;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2078 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2079
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2080
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2081 size_t SpaceManager::sum_used_in_chunks_in_use() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2082 MutexLockerEx cl(lock(), Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2083 size_t used = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2084 for (ChunkIndex i = SmallIndex; i < NumberOfFreeLists; i = next_chunk_index(i)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2085 Metachunk* chunk = chunks_in_use(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2086 while (chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2087 used += chunk->used_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2088 chunk = chunk->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2089 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2090 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2091 return used;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2092 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2093
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2094 void SpaceManager::locked_print_chunks_in_use_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2095
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2096 Metachunk* small_chunk = chunks_in_use(SmallIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2097 st->print_cr("SpaceManager: small chunk " PTR_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2098 " free " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2099 small_chunk,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2100 small_chunk->free_word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2101
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2102 Metachunk* medium_chunk = chunks_in_use(MediumIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2103 st->print("medium chunk " PTR_FORMAT, medium_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2104 Metachunk* tail = current_chunk();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2105 st->print_cr(" current chunk " PTR_FORMAT, tail);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2106
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2107 Metachunk* head = chunks_in_use(HumongousIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2108 st->print_cr("humongous chunk " PTR_FORMAT, head);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2109
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2110 vs_list()->chunk_manager()->locked_print_free_chunks(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2111 vs_list()->chunk_manager()->locked_print_sum_free_chunks(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2112 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2113
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2114 size_t SpaceManager::calc_chunk_size(size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2115
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2116 // Decide between a small chunk and a medium chunk. Up to
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2117 // _small_chunk_limit small chunks can be allocated but
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2118 // once a medium chunk has been allocated, no more small
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2119 // chunks will be allocated.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2120 size_t chunk_word_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2121 if (chunks_in_use(MediumIndex) == NULL &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2122 (!has_small_chunk_limit() \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2123 sum_count_in_chunks_in_use(SmallIndex) < _small_chunk_limit)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2124 chunk_word_size = (size_t) SpaceManager::SmallChunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2125 if (word_size + Metachunk::overhead() > SpaceManager::SmallChunk) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2126 chunk_word_size = MediumChunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2127 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2128 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2129 chunk_word_size = MediumChunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2130 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2131
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2132 // Might still need a humongous chunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2133 chunk_word_size =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2134 MAX2((size_t) chunk_word_size, word_size + Metachunk::overhead());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2135
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2136 if (TraceMetadataHumongousAllocation &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2137 SpaceManager::is_humongous(word_size)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2138 gclog_or_tty->print_cr("Metadata humongous allocation:");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2139 gclog_or_tty->print_cr(" word_size " PTR_FORMAT, word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2140 gclog_or_tty->print_cr(" chunk_word_size " PTR_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2141 chunk_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2142 gclog_or_tty->print_cr(" block overhead " PTR_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2143 " chunk overhead " PTR_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2144 Metablock::overhead(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2145 Metachunk::overhead());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2146 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2147 return chunk_word_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2148 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2149
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2150 Metablock* SpaceManager::grow_and_allocate(size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2151 assert(vs_list()->current_virtual_space() != NULL,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2152 "Should have been set");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2153 assert(current_chunk() == NULL \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2154 current_chunk()->allocate(word_size) == NULL,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2155 "Don't need to expand");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2156 MutexLockerEx cl(SpaceManager::expand_lock(), Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2157
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2158 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2159 gclog_or_tty->print_cr("SpaceManager::grow_and_allocate for " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2160 " words " SIZE_FORMAT " space left",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2161 word_size, current_chunk() != NULL ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2162 current_chunk()->free_word_size() : 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2163 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2164
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2165 // Get another chunk out of the virtual space
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2166 size_t grow_chunks_by_words = calc_chunk_size(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2167 Metachunk* next = vs_list()->get_new_chunk(word_size, grow_chunks_by_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2168
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2169 // If a chunk was available, add it to the in-use chunk list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2170 // and do an allocation from it.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2171 if (next != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2172 Metadebug::deallocate_chunk_a_lot(this, grow_chunks_by_words);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2173 // Add to this manager's list of chunks in use.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2174 add_chunk(next, false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2175 return next->allocate(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2176 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2177 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2178 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2179
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2180 void SpaceManager::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2181
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2182 for (ChunkIndex i = SmallIndex;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2183 i < NumberOfFreeLists ;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2184 i = next_chunk_index(i) ) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2185 st->print_cr(" chunks_in_use " PTR_FORMAT " chunk size " PTR_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2186 chunks_in_use(i),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2187 chunks_in_use(i) == NULL ? 0 : chunks_in_use(i)->word_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2188 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2189 st->print_cr(" waste: Small " SIZE_FORMAT " Medium " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2190 " Humongous " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2191 sum_waste_in_chunks_in_use(SmallIndex),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2192 sum_waste_in_chunks_in_use(MediumIndex),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2193 sum_waste_in_chunks_in_use(HumongousIndex));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2194 // Nothing in them yet
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2195 // block_freelists()->print_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2196 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2197
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2198 SpaceManager::SpaceManager(Mutex* lock, VirtualSpaceList* vs_list) :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2199 _vs_list(vs_list),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2200 _allocation_total(0),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2201 _lock(lock) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2202 Metadebug::init_allocation_fail_alot_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2203 for (ChunkIndex i = SmallIndex; i < NumberOfFreeLists; i = next_chunk_index(i)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2204 _chunks_in_use[i] = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2205 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2206 _current_chunk = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2207 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2208 gclog_or_tty->print_cr("SpaceManager(): " PTR_FORMAT, this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2209 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2210 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2211
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2212 SpaceManager::~SpaceManager() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2213 MutexLockerEx fcl(SpaceManager::expand_lock(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2214 Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2215
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2216 ChunkManager* chunk_manager = vs_list()->chunk_manager();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2217
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2218 chunk_manager->locked_verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2219
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2220 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2221 gclog_or_tty->print_cr("~SpaceManager(): " PTR_FORMAT, this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2222 locked_print_chunks_in_use_on(gclog_or_tty);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2223 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2224
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2225 // Have to update before the chunks_in_use lists are emptied
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2226 // below.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2227 chunk_manager->inc_free_chunks_total(sum_capacity_in_chunks_in_use(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2228 sum_count_in_chunks_in_use());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2229
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2230 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2231 // Mangle freed memory.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2232 mangle_freed_chunks();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2233 #endif // ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2234
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2235 // Add all the chunks in use by this space manager
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2236 // to the global list of free chunks.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2237
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2238 // Small chunks. There is one _current_chunk for each
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2239 // Metaspace. It could point to a small or medium chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2240 // Rather than determine which it is, follow the list of
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2241 // small chunks to add them to the free list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2242 Metachunk* small_chunk = chunks_in_use(SmallIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2243 chunk_manager->free_small_chunks()->add_at_head(small_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2244 set_chunks_in_use(SmallIndex, NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2245
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2246 // After the small chunk are the medium chunks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2247 Metachunk* medium_chunk = chunks_in_use(MediumIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2248 assert(medium_chunk == NULL \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2249 medium_chunk->word_size() == MediumChunk,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2250 "Chunk is on the wrong list");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2251
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2252 if (medium_chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2253 Metachunk* head = medium_chunk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2254 // If there is a medium chunk then the _current_chunk can only
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2255 // point to the last medium chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2256 Metachunk* tail = current_chunk();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2257 chunk_manager->free_medium_chunks()->add_at_head(head, tail);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2258 set_chunks_in_use(MediumIndex, NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2259 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2260
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2261 // Humongous chunks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2262 // Humongous chunks are never the current chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2263 Metachunk* humongous_chunks = chunks_in_use(HumongousIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2264
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2265 if (humongous_chunks != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2266 chunk_manager->free_humongous_chunks()->add_at_head(humongous_chunks);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2267 set_chunks_in_use(HumongousIndex, NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2268 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2269 chunk_manager->locked_verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2270 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2271
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2272 void SpaceManager::deallocate(MetaWord* p) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2273 assert_lock_strong(_lock);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2274 ShouldNotReachHere(); // Where is this needed.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2275 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2276 Metablock* block = Metablock::metablock_from_data(p);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2277 // This is expense but kept it until integration JJJ
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2278 assert(contains((address)block), "Block does not belong to this metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2279 block_freelists()->return_block(block, word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2280 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2281 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2282
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2283 // Adds a chunk to the list of chunks in use.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2284 void SpaceManager::add_chunk(Metachunk* new_chunk, bool make_current) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2285
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2286 assert(new_chunk != NULL, "Should not be NULL");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2287 assert(new_chunk->next() == NULL, "Should not be on a list");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2288
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2289 new_chunk->reset_empty();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2290
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2291 // Find the correct list and and set the current
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2292 // chunk for that list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2293 switch (new_chunk->word_size()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2294 case SpaceManager::SmallChunk :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2295 if (chunks_in_use(SmallIndex) == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2296 // First chunk to add to the list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2297 set_chunks_in_use(SmallIndex, new_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2298 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2299 assert(current_chunk()->word_size() == SpaceManager::SmallChunk,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2300 err_msg( "Incorrect mix of sizes in chunk list "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2301 SIZE_FORMAT " new chunk " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2302 current_chunk()->word_size(), new_chunk->word_size()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2303 current_chunk()->set_next(new_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2304 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2305 // Make current chunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2306 set_current_chunk(new_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2307 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2308 case SpaceManager::MediumChunk :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2309 if (chunks_in_use(MediumIndex) == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2310 // About to add the first medium chunk so teminate the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2311 // small chunk list. In general once medium chunks are
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2312 // being added, we're past the need for small chunks.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2313 if (current_chunk() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2314 // Only a small chunk or the initial chunk could be
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2315 // the current chunk if this is the first medium chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2316 assert(current_chunk()->word_size() == SpaceManager::SmallChunk \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2317 chunks_in_use(SmallIndex) == NULL,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2318 err_msg("Should be a small chunk or initial chunk, current chunk "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2319 SIZE_FORMAT " new chunk " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2320 current_chunk()->word_size(), new_chunk->word_size()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2321 current_chunk()->set_next(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2322 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2323 // First chunk to add to the list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2324 set_chunks_in_use(MediumIndex, new_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2325
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2326 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2327 // As a minimum the first medium chunk added would
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2328 // have become the _current_chunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2329 // so the _current_chunk has to be non-NULL here
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2330 // (although not necessarily still the first medium chunk).
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2331 assert(current_chunk()->word_size() == SpaceManager::MediumChunk,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2332 "A medium chunk should the current chunk");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2333 current_chunk()->set_next(new_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2334 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2335 // Make current chunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2336 set_current_chunk(new_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2337 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2338 default: {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2339 // For null class loader data and DumpSharedSpaces, the first chunk isn't
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2340 // small, so small will be null. Link this first chunk as the current
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2341 // chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2342 if (make_current) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2343 // Set as the current chunk but otherwise treat as a humongous chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2344 set_current_chunk(new_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2345 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2346 // Link at head. The _current_chunk only points to a humongous chunk for
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2347 // the null class loader metaspace (class and data virtual space managers)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2348 // any humongous chunks so will not point to the tail
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2349 // of the humongous chunks list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2350 new_chunk->set_next(chunks_in_use(HumongousIndex));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2351 set_chunks_in_use(HumongousIndex, new_chunk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2352
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2353 assert(new_chunk->word_size() > MediumChunk, "List inconsistency");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2354 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2355 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2356
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2357 assert(new_chunk->is_empty(), "Not ready for reuse");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2358 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2359 gclog_or_tty->print("SpaceManager::add_chunk: %d) ",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2360 sum_count_in_chunks_in_use());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2361 new_chunk->print_on(gclog_or_tty);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2362 vs_list()->chunk_manager()->locked_print_free_chunks(tty);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2363 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2364 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2365
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2366 MetaWord* SpaceManager::allocate(size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2367 MutexLockerEx cl(lock(), Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2368
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2369 size_t block_overhead = Metablock::overhead();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2370 // If only the dictionary is going to be used (i.e., no
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2371 // indexed free list), then there is a minimum size requirement.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2372 // MinChunkSize is a placeholder for the real minimum size JJJ
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2373 size_t byte_size_with_overhead = (word_size + block_overhead) * BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2374 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2375 size_t raw_bytes_size = MAX2(ARENA_ALIGN(byte_size_with_overhead),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2376 MinChunkSize * BytesPerWord);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2377 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2378 size_t raw_bytes_size = ARENA_ALIGN(byte_size_with_overhead);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2379 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2380 size_t raw_word_size = raw_bytes_size / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2381 assert(raw_word_size * BytesPerWord == raw_bytes_size, "Size problem");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2382
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2383 BlockFreelist* fl = block_freelists();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2384 Metablock* block = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2385 // Allocation from the dictionary is expensive in the sense that
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2386 // the dictionary has to be searched for a size. Don't allocate
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2387 // from the dictionary until it starts to get fat. Is this
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2388 // a reasonable policy? Maybe an skinny dictionary is fast enough
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2389 // for allocations. Do some profiling. JJJ
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2390 if (fl->totalSize() > allocation_from_dictionary_limit) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2391 block = fl->get_block(raw_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2392 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2393 if (block == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2394 block = allocate_work(raw_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2395 if (block == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2396 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2397 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2398 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2399 Metadebug::deallocate_block_a_lot(this, raw_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2400
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2401 // Push the allocation past the word containing the size and leader.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2402 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2403 MetaWord* result = block->data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2404 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2405 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2406 return (MetaWord*) block;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2407 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2408 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2409
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2410 // Returns the address of spaced allocated for "word_size".
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2411 // This methods does not know about blocks (Metablocks)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2412 Metablock* SpaceManager::allocate_work(size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2413 assert_lock_strong(_lock);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2414 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2415 if (Metadebug::test_metadata_failure()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2416 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2417 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2418 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2419 // Is there space in the current chunk?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2420 Metablock* result = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2421
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2422 // For DumpSharedSpaces, only allocate out of the current chunk which is
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2423 // never null because we gave it the size we wanted. Caller reports out
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2424 // of memory if this returns null.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2425 if (DumpSharedSpaces) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2426 assert(current_chunk() != NULL, "should never happen");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2427 inc_allocation_total(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2428 return current_chunk()->allocate(word_size); // caller handles null result
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2429 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2430 if (current_chunk() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2431 result = current_chunk()->allocate(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2432 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2433
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2434 if (result == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2435 result = grow_and_allocate(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2436 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2437 if (result > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2438 inc_allocation_total(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2439 assert(result != (Metablock*) chunks_in_use(MediumIndex), "Head of the list is being allocated");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2440 assert(result->word_size() == word_size, "Size not set correctly");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2441 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2442
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2443 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2444 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2445
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2446 void SpaceManager::verify() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2447 // If there are blocks in the dictionary, then
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2448 // verfication of chunks does not work since
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2449 // being in the dictionary alters a chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2450 if (block_freelists()->totalSize() == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2451 // Skip the small chunks because their next link points to
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2452 // medium chunks. This is because the small chunk is the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2453 // current chunk (for allocations) until it is full and the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2454 // the addition of the next chunk does not NULL the next
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2455 // like of the small chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2456 for (ChunkIndex i = MediumIndex; i < NumberOfFreeLists; i = next_chunk_index(i)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2457 Metachunk* curr = chunks_in_use(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2458 while (curr != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2459 curr->verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2460 curr = curr->next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2461 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2462 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2463 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2464 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2465
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2466 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2467 void SpaceManager::verify_allocation_total() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2468 #if 0
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2469 // Verification is only guaranteed at a safepoint.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2470 if (SafepointSynchronize::is_at_safepoint()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2471 gclog_or_tty->print_cr("Chunk " PTR_FORMAT " allocation_total " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2472 " sum_used_in_chunks_in_use " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2473 this,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2474 allocation_total(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2475 sum_used_in_chunks_in_use());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2476 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2477 MutexLockerEx cl(lock(), Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2478 assert(allocation_total() == sum_used_in_chunks_in_use(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2479 err_msg("allocation total is not consistent %d vs %d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2480 allocation_total(), sum_used_in_chunks_in_use()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2481 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2482 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2483
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2484 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2485
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2486 void SpaceManager::dump(outputStream* const out) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2487 size_t curr_total = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2488 size_t waste = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2489 uint i = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2490 size_t used = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2491 size_t capacity = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2492
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2493 // Add up statistics for all chunks in this SpaceManager.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2494 for (ChunkIndex index = SmallIndex;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2495 index < NumberOfFreeLists;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2496 index = next_chunk_index(index)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2497 for (Metachunk* curr = chunks_in_use(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2498 curr != NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2499 curr = curr->next()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2500 out->print("%d) ", i++);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2501 curr->print_on(out);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2502 if (TraceMetadataChunkAllocation && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2503 block_freelists()->print_on(out);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2504 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2505 curr_total += curr->word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2506 used += curr->used_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2507 capacity += curr->capacity_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2508 waste += curr->free_word_size() + curr->overhead();;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2509 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2510 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2511
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2512 size_t free = current_chunk()->free_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2513 // Free space isn't wasted.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2514 waste -= free;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2515
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2516 out->print_cr("total of all chunks " SIZE_FORMAT " used " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2517 " free " SIZE_FORMAT " capacity " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2518 " waste " SIZE_FORMAT, curr_total, used, free, capacity, waste);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2519 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2520
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2521 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2522 void SpaceManager::mangle_freed_chunks() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2523 for (ChunkIndex index = SmallIndex;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2524 index < NumberOfFreeLists;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2525 index = next_chunk_index(index)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2526 for (Metachunk* curr = chunks_in_use(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2527 curr != NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2528 curr = curr->next()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2529 // Try to detect incorrectly terminated small chunk
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2530 // list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2531 assert(index == MediumIndex \|\| curr != chunks_in_use(MediumIndex),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2532 err_msg("Mangling medium chunks in small chunks? "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2533 "curr " PTR_FORMAT " medium list " PTR_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2534 curr, chunks_in_use(MediumIndex)));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2535 curr->mangle();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2536 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2537 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2538 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2539 #endif // PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2540
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2541
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2542 // MetaspaceAux
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2543
6734 942bb29b20b0 7196298: Better fix for 7195789 jmasa parents: 6730 diff changeset	2544 size_t MetaspaceAux::used_in_bytes(Metaspace::MetadataType mdtype) {
6730 5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2545 size_t used = 0;
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2546 ClassLoaderDataGraphMetaspaceIterator iter;
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2547 while (iter.repeat()) {
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2548 Metaspace* msp = iter.get_next();
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2549 // Sum allocation_total for each metaspace
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2550 if (msp != NULL) {
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2551 used += msp->used_words(mdtype);
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2552 }
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2553 }
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2554 return used * BytesPerWord;
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2555 }
5d2156bcb78b 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong jmasa parents: 6726 diff changeset	2556
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2557 size_t MetaspaceAux::free_in_bytes(Metaspace::MetadataType mdtype) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2558 size_t free = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2559 ClassLoaderDataGraphMetaspaceIterator iter;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2560 while (iter.repeat()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2561 Metaspace* msp = iter.get_next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2562 if (msp != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2563 free += msp->free_words(mdtype);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2564 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2565 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2566 return free * BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2567 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2568
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2569 // The total words available for metadata allocation. This
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2570 // uses Metaspace capacity_words() which is the total words
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2571 // in chunks allocated for a Metaspace.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2572 size_t MetaspaceAux::capacity_in_bytes(Metaspace::MetadataType mdtype) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2573 size_t capacity = free_chunks_total(mdtype);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2574 ClassLoaderDataGraphMetaspaceIterator iter;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2575 while (iter.repeat()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2576 Metaspace* msp = iter.get_next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2577 if (msp != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2578 capacity += msp->capacity_words(mdtype);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2579 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2580 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2581 return capacity * BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2582 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2583
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2584 size_t MetaspaceAux::reserved_in_bytes(Metaspace::MetadataType mdtype) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2585 size_t reserved = (mdtype == Metaspace::ClassType) ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2586 Metaspace::class_space_list()->virtual_space_total() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2587 Metaspace::space_list()->virtual_space_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2588 return reserved * BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2589 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2590
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2591 size_t MetaspaceAux::min_chunk_size() { return SpaceManager::MediumChunk; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2592
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2593 size_t MetaspaceAux::free_chunks_total(Metaspace::MetadataType mdtype) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2594 ChunkManager* chunk = (mdtype == Metaspace::ClassType) ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2595 Metaspace::class_space_list()->chunk_manager() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2596 Metaspace::space_list()->chunk_manager();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2597
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2598 chunk->verify_free_chunks_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2599 return chunk->free_chunks_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2600 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2601
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2602 size_t MetaspaceAux::free_chunks_total_in_bytes(Metaspace::MetadataType mdtype) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2603 return free_chunks_total(mdtype) * BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2604 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2605
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2606 void MetaspaceAux::print_metaspace_change(size_t prev_metadata_used) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2607 gclog_or_tty->print(", [Metaspace:");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2608 if (PrintGCDetails && Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2609 gclog_or_tty->print(" " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2610 "->" SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2611 "(" SIZE_FORMAT "/" SIZE_FORMAT ")",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2612 prev_metadata_used,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2613 used_in_bytes(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2614 capacity_in_bytes(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2615 reserved_in_bytes());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2616 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2617 gclog_or_tty->print(" " SIZE_FORMAT "K"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2618 "->" SIZE_FORMAT "K"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2619 "(" SIZE_FORMAT "K/" SIZE_FORMAT "K)",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2620 prev_metadata_used / K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2621 used_in_bytes()/ K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2622 capacity_in_bytes()/K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2623 reserved_in_bytes()/ K);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2624 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2625
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2626 gclog_or_tty->print("]");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2627 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2628
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2629 // This is printed when PrintGCDetails
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2630 void MetaspaceAux::print_on(outputStream* out) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2631 Metaspace::MetadataType ct = Metaspace::ClassType;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2632 Metaspace::MetadataType nct = Metaspace::NonClassType;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2633
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2634 out->print_cr(" Metaspace total "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2635 SIZE_FORMAT "K, used " SIZE_FORMAT "K,"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2636 " reserved " SIZE_FORMAT "K",
6734 942bb29b20b0 7196298: Better fix for 7195789 jmasa parents: 6730 diff changeset	2637 capacity_in_bytes()/K, used_in_bytes()/K, reserved_in_bytes()/K);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2638 out->print_cr(" data space "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2639 SIZE_FORMAT "K, used " SIZE_FORMAT "K,"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2640 " reserved " SIZE_FORMAT "K",
6734 942bb29b20b0 7196298: Better fix for 7195789 jmasa parents: 6730 diff changeset	2641 capacity_in_bytes(nct)/K, used_in_bytes(nct)/K, reserved_in_bytes(nct)/K);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2642 out->print_cr(" class space "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2643 SIZE_FORMAT "K, used " SIZE_FORMAT "K,"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2644 " reserved " SIZE_FORMAT "K",
6734 942bb29b20b0 7196298: Better fix for 7195789 jmasa parents: 6730 diff changeset	2645 capacity_in_bytes(ct)/K, used_in_bytes(ct)/K, reserved_in_bytes(ct)/K);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2646 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2647
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2648 // Print information for class space and data space separately.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2649 // This is almost the same as above.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2650 void MetaspaceAux::print_on(outputStream* out, Metaspace::MetadataType mdtype) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2651 size_t free_chunks_capacity_bytes = free_chunks_total_in_bytes(mdtype);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2652 size_t capacity_bytes = capacity_in_bytes(mdtype);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2653 size_t used_bytes = used_in_bytes(mdtype);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2654 size_t free_bytes = free_in_bytes(mdtype);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2655 size_t used_and_free = used_bytes + free_bytes +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2656 free_chunks_capacity_bytes;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2657 out->print_cr(" Chunk accounting: used in chunks " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2658 "K + unused in chunks " SIZE_FORMAT "K + "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2659 " capacity in free chunks " SIZE_FORMAT "K = " SIZE_FORMAT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2660 "K capacity in allocated chunks " SIZE_FORMAT "K",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2661 used_bytes / K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2662 free_bytes / K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2663 free_chunks_capacity_bytes / K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2664 used_and_free / K,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2665 capacity_bytes / K);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2666 assert(used_and_free == capacity_bytes, "Accounting is wrong");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2667 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2668
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2669 // Print total fragmentation for class and data metaspaces separately
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2670 void MetaspaceAux::print_waste(outputStream* out) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2671
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2672 size_t small_waste = 0, medium_waste = 0, large_waste = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2673 size_t cls_small_waste = 0, cls_medium_waste = 0, cls_large_waste = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2674
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2675 ClassLoaderDataGraphMetaspaceIterator iter;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2676 while (iter.repeat()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2677 Metaspace* msp = iter.get_next();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2678 if (msp != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2679 small_waste += msp->vsm()->sum_waste_in_chunks_in_use(SmallIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2680 medium_waste += msp->vsm()->sum_waste_in_chunks_in_use(MediumIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2681 large_waste += msp->vsm()->sum_waste_in_chunks_in_use(HumongousIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2682
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2683 cls_small_waste += msp->class_vsm()->sum_waste_in_chunks_in_use(SmallIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2684 cls_medium_waste += msp->class_vsm()->sum_waste_in_chunks_in_use(MediumIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2685 cls_large_waste += msp->class_vsm()->sum_waste_in_chunks_in_use(HumongousIndex);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2686 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2687 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2688 out->print_cr("Total fragmentation waste (words) doesn't count free space");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2689 out->print(" data: small " SIZE_FORMAT " medium " SIZE_FORMAT,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2690 small_waste, medium_waste);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2691 out->print_cr(" class: small " SIZE_FORMAT, cls_small_waste);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2692 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2693
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2694 // Dump global metaspace things from the end of ClassLoaderDataGraph
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2695 void MetaspaceAux::dump(outputStream* out) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2696 out->print_cr("All Metaspace:");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2697 out->print("data space: "); print_on(out, Metaspace::NonClassType);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2698 out->print("class space: "); print_on(out, Metaspace::ClassType);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2699 print_waste(out);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2700 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2701
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2702 // Metaspace methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2703
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2704 size_t Metaspace::_first_chunk_word_size = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2705
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2706 Metaspace::Metaspace(Mutex* lock, size_t word_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2707 initialize(lock, word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2708 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2709
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2710 Metaspace::Metaspace(Mutex* lock) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2711 initialize(lock);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2712 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2713
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2714 Metaspace::~Metaspace() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2715 delete _vsm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2716 delete _class_vsm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2717 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2718
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2719 VirtualSpaceList* Metaspace::_space_list = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2720 VirtualSpaceList* Metaspace::_class_space_list = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2721
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2722 #define VIRTUALSPACEMULTIPLIER 2
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2723
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2724 void Metaspace::global_initialize() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2725 // Initialize the alignment for shared spaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2726 int max_alignment = os::vm_page_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2727 MetaspaceShared::set_max_alignment(max_alignment);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2728
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2729 if (DumpSharedSpaces) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2730 SharedReadOnlySize = align_size_up(SharedReadOnlySize, max_alignment);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2731 SharedReadWriteSize = align_size_up(SharedReadWriteSize, max_alignment);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2732 SharedMiscDataSize = align_size_up(SharedMiscDataSize, max_alignment);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2733 SharedMiscCodeSize = align_size_up(SharedMiscCodeSize, max_alignment);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2734
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2735 // Initialize with the sum of the shared space sizes. The read-only
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2736 // and read write metaspace chunks will be allocated out of this and the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2737 // remainder is the misc code and data chunks.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2738 size_t total = align_size_up(SharedReadOnlySize + SharedReadWriteSize +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2739 SharedMiscDataSize + SharedMiscCodeSize,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2740 os::vm_allocation_granularity());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2741 size_t word_size = total/wordSize;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2742 _space_list = new VirtualSpaceList(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2743 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2744 // If using shared space, open the file that contains the shared space
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2745 // and map in the memory before initializing the rest of metaspace (so
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2746 // the addresses don't conflict)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2747 if (UseSharedSpaces) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2748 FileMapInfo* mapinfo = new FileMapInfo();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2749 memset(mapinfo, 0, sizeof(FileMapInfo));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2750
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2751 // Open the shared archive file, read and validate the header. If
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2752 // initialization fails, shared spaces [UseSharedSpaces] are
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2753 // disabled and the file is closed.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2754 // Map in spaces now also
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2755 if (mapinfo->initialize() && MetaspaceShared::map_shared_spaces(mapinfo)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2756 FileMapInfo::set_current_info(mapinfo);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2757 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2758 assert(!mapinfo->is_open() && !UseSharedSpaces,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2759 "archive file not closed or shared spaces not disabled.");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2760 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2761 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2762
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2763 // Initialize this before initializing the VirtualSpaceList
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2764 _first_chunk_word_size = InitialBootClassLoaderMetaspaceSize / BytesPerWord;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2765 // Arbitrarily set the initial virtual space to a multiple
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2766 // of the boot class loader size.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2767 size_t word_size = VIRTUALSPACEMULTIPLIER * Metaspace::first_chunk_word_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2768 // Initialize the list of virtual spaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2769 _space_list = new VirtualSpaceList(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2770 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2771 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2772
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2773 // For UseCompressedKlassPointers the class space is reserved as a piece of the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2774 // Java heap because the compression algorithm is the same for each. The
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2775 // argument passed in is at the top of the compressed space
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2776 void Metaspace::initialize_class_space(ReservedSpace rs) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2777 // The reserved space size may be bigger because of alignment, esp with UseLargePages
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2778 assert(rs.size() >= ClassMetaspaceSize, err_msg("%d != %d", rs.size(), ClassMetaspaceSize));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2779 _class_space_list = new VirtualSpaceList(rs);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2780 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2781
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2782
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2783 void Metaspace::initialize(Mutex* lock, size_t initial_size) {
6736 11fb740ce98f 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size coleenp parents: 6734 diff changeset	2784 // Use SmallChunk size if not specified. If specified, use this size for
11fb740ce98f 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size coleenp parents: 6734 diff changeset	2785 // the data metaspace.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2786 size_t word_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2787 size_t class_word_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2788 if (initial_size == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2789 word_size = (size_t) SpaceManager::SmallChunk;
6736 11fb740ce98f 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size coleenp parents: 6734 diff changeset	2790 class_word_size = (size_t) SpaceManager::SmallChunk;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2791 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2792 word_size = initial_size;
6736 11fb740ce98f 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size coleenp parents: 6734 diff changeset	2793 // Make the first class chunk bigger than a medium chunk so it's not put
11fb740ce98f 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size coleenp parents: 6734 diff changeset	2794 // on the medium chunk list. The next chunk will be small and progress
11fb740ce98f 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size coleenp parents: 6734 diff changeset	2795 // from there. This size calculated by -version.
11fb740ce98f 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size coleenp parents: 6734 diff changeset	2796 class_word_size = MIN2((size_t)SpaceManager::MediumChunk*5,
11fb740ce98f 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size coleenp parents: 6734 diff changeset	2797 (ClassMetaspaceSize/BytesPerWord)*2);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2798 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2799
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2800 assert(space_list() != NULL,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2801 "Metadata VirtualSpaceList has not been initialized");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2802
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2803 _vsm = new SpaceManager(lock, space_list());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2804 if (_vsm == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2805 return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2806 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2807
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2808 assert(class_space_list() != NULL,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2809 "Class VirtualSpaceList has not been initialized");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2810
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2811 // Allocate SpaceManager for classes.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2812 _class_vsm = new SpaceManager(lock, class_space_list());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2813 if (_class_vsm == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2814 return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2815 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2816
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2817 MutexLockerEx cl(SpaceManager::expand_lock(), Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2818
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2819 // Allocate chunk for metadata objects
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2820 Metachunk* new_chunk =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2821 space_list()->current_virtual_space()->get_chunk_vs_with_expand(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2822 assert(!DumpSharedSpaces \|\| new_chunk != NULL, "should have enough space for both chunks");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2823 if (new_chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2824 // Add to this manager's list of chunks in use and current_chunk().
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2825 vsm()->add_chunk(new_chunk, true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2826 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2827
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2828 // Allocate chunk for class metadata objects
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2829 Metachunk* class_chunk =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2830 class_space_list()->current_virtual_space()->get_chunk_vs_with_expand(class_word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2831 if (class_chunk != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2832 class_vsm()->add_chunk(class_chunk, true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2833 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2834 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2835
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2836
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2837 MetaWord* Metaspace::allocate(size_t word_size, MetadataType mdtype) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2838 // DumpSharedSpaces doesn't use class metadata area (yet)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2839 if (mdtype == ClassType && !DumpSharedSpaces) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2840 return class_vsm()->allocate(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2841 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2842 return vsm()->allocate(word_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2843 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2844 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2845
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2846 // Space allocated in the Metaspace. This may
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2847 // be across several metadata virtual spaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2848 char* Metaspace::bottom() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2849 assert(DumpSharedSpaces, "only useful and valid for dumping shared spaces");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2850 return (char*)vsm()->current_chunk()->bottom();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2851 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2852
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2853 size_t Metaspace::used_words(MetadataType mdtype) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2854 // return vsm()->allocation_total();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2855 return mdtype == ClassType ? class_vsm()->sum_used_in_chunks_in_use() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2856 vsm()->sum_used_in_chunks_in_use(); // includes overhead!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2857 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2858
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2859 size_t Metaspace::free_words(MetadataType mdtype) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2860 return mdtype == ClassType ? class_vsm()->sum_free_in_chunks_in_use() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2861 vsm()->sum_free_in_chunks_in_use();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2862 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2863
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2864 // Space capacity in the Metaspace. It includes
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2865 // space in the list of chunks from which allocations
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2866 // have been made. Don't include space in the global freelist and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2867 // in the space available in the dictionary which
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2868 // is already counted in some chunk.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2869 size_t Metaspace::capacity_words(MetadataType mdtype) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2870 return mdtype == ClassType ? class_vsm()->sum_capacity_in_chunks_in_use() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2871 vsm()->sum_capacity_in_chunks_in_use();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2872 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2873
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2874 void Metaspace::deallocate(MetaWord* ptr, size_t word_size, bool is_class) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2875 if (SafepointSynchronize::is_at_safepoint()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2876 assert(Thread::current()->is_VM_thread(), "should be the VM thread");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2877 // Don't take lock
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2878 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2879 if (is_class) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2880 class_vsm()->deallocate(ptr);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2881 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2882 vsm()->deallocate(ptr);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2883 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2884 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2885 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2886 Copy::fill_to_words((HeapWord*)ptr, word_size, metadata_deallocate);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2887 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2888 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2889
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2890 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2891 MutexLocker ml(vsm()->lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2892
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2893 #ifdef DEALLOCATE_BLOCKS
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2894 if (is_class) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2895 class_vsm()->deallocate(ptr);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2896 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2897 vsm()->deallocate(ptr);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2898 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2899 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2900 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2901 Copy::fill_to_words((HeapWord*)ptr, word_size, metadata_deallocate);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2902 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2903 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2904 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2905 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2906
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2907 MetaWord* Metaspace::allocate(ClassLoaderData* loader_data, size_t word_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2908 bool read_only, MetadataType mdtype, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2909 if (HAS_PENDING_EXCEPTION) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2910 assert(false, "Should not allocate with exception pending");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2911 return NULL; // caller does a CHECK_NULL too
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2912 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2913
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2914 // SSS: Should we align the allocations and make sure the sizes are aligned.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2915 MetaWord* result = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2916
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2917 assert(loader_data != NULL, "Should never pass around a NULL loader_data. "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2918 "ClassLoaderData::the_null_class_loader_data() should have been used.");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2919 // Allocate in metaspaces without taking out a lock, because it deadlocks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2920 // with the SymbolTable_lock. Dumping is single threaded for now. We'll have
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2921 // to revisit this for application class data sharing.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2922 if (DumpSharedSpaces) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2923 if (read_only) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2924 result = loader_data->ro_metaspace()->allocate(word_size, NonClassType);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2925 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2926 result = loader_data->rw_metaspace()->allocate(word_size, NonClassType);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2927 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2928 if (result == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2929 report_out_of_shared_space(read_only ? SharedReadOnly : SharedReadWrite);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2930 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2931 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2932 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2933
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2934 result = loader_data->metaspace_non_null()->allocate(word_size, mdtype);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2935
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2936 if (result == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2937 // Try to clean out some memory and retry.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2938 result =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2939 Universe::heap()->collector_policy()->satisfy_failed_metadata_allocation(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2940 loader_data, word_size, mdtype);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2941
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2942 // If result is still null, we are out of memory.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2943 if (result == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2944 // -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError support
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2945 report_java_out_of_memory("Metadata space");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2946
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2947 if (JvmtiExport::should_post_resource_exhausted()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2948 JvmtiExport::post_resource_exhausted(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2949 JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2950 "Metadata space");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2951 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2952 THROW_OOP_0(Universe::out_of_memory_error_perm_gen());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2953 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2954 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2955 return result;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2956 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2957
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2958 void Metaspace::print_on(outputStream* out) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2959 // Print both class virtual space counts and metaspace.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2960 if (Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2961 vsm()->print_on(out);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2962 class_vsm()->print_on(out);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2963 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2964 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2965
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2966 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2967 bool Metaspace::contains(const void * ptr) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2968 if (MetaspaceShared::is_in_shared_space(ptr)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2969 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2970 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2971 MutexLockerEx cl(SpaceManager::expand_lock(), Mutex::_no_safepoint_check_flag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2972 return space_list()->contains(ptr) \|\| class_space_list()->contains(ptr);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2973 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2974 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2975
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2976 void Metaspace::verify() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2977 vsm()->verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2978 class_vsm()->verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2979 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2980
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2981 void Metaspace::dump(outputStream* const out) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2982 if (UseMallocOnly) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2983 // Just print usage for now
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2984 out->print_cr("usage %d", used_words(Metaspace::NonClassType));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2985 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2986 out->print_cr("\nVirtual space manager: " INTPTR_FORMAT, vsm());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2987 vsm()->dump(out);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2988 out->print_cr("\nClass space manager: " INTPTR_FORMAT, class_vsm());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2989 class_vsm()->dump(out);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	2990 }

Mercurial > hg > truffle

annotate src/share/vm/memory/metaspace.cpp @ 6736:11fb740ce98f