Mercurial > hg > graal-compiler
annotate src/share/vm/services/psMemoryPool.hpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | f95d63e2154a |
| children | db9981fd3124 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |
| 26 #define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP | |
| 27 | |
| 28 #ifndef SERIALGC | |
| 29 #include "gc_implementation/parallelScavenge/psOldGen.hpp" | |
| 30 #include "gc_implementation/parallelScavenge/psYoungGen.hpp" | |
| 31 #include "gc_implementation/shared/mutableSpace.hpp" | |
| 32 #include "memory/defNewGeneration.hpp" | |
| 33 #include "memory/heap.hpp" | |
| 34 #include "memory/space.hpp" | |
| 35 #include "services/memoryPool.hpp" | |
| 36 #include "services/memoryUsage.hpp" | |
| 37 #endif | |
| 38 | |
| 0 | 39 class PSGenerationPool : public CollectedMemoryPool { |
| 40 private: | |
| 41 PSOldGen* _gen; | |
| 42 | |
| 43 public: | |
| 44 PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold); | |
| 45 | |
| 46 MemoryUsage get_memory_usage(); | |
| 47 size_t used_in_bytes() { return _gen->used_in_bytes(); } | |
| 48 size_t max_size() const { return _gen->reserved().byte_size(); } | |
| 49 }; | |
| 50 | |
| 51 class EdenMutableSpacePool : public CollectedMemoryPool { | |
| 52 private: | |
| 53 PSYoungGen* _gen; | |
| 54 MutableSpace* _space; | |
| 55 | |
| 56 public: | |
| 57 EdenMutableSpacePool(PSYoungGen* gen, | |
| 58 MutableSpace* space, | |
| 59 const char* name, | |
| 60 PoolType type, | |
| 61 bool support_usage_threshold); | |
| 62 | |
| 63 MutableSpace* space() { return _space; } | |
| 64 MemoryUsage get_memory_usage(); | |
| 65 size_t used_in_bytes() { return space()->used_in_bytes(); } | |
| 66 size_t max_size() const { | |
| 67 // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces | |
| 68 return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes(); | |
| 69 } | |
| 70 }; | |
| 71 | |
| 72 class SurvivorMutableSpacePool : public CollectedMemoryPool { | |
| 73 private: | |
| 74 PSYoungGen* _gen; | |
| 75 | |
| 76 public: | |
| 77 SurvivorMutableSpacePool(PSYoungGen* gen, | |
| 78 const char* name, | |
| 79 PoolType type, | |
| 80 bool support_usage_threshold); | |
| 81 | |
| 82 MemoryUsage get_memory_usage(); | |
| 83 | |
| 84 size_t used_in_bytes() { | |
| 85 return _gen->from_space()->used_in_bytes(); | |
| 86 } | |
| 87 size_t committed_in_bytes() { | |
| 88 return _gen->from_space()->capacity_in_bytes(); | |
| 89 } | |
| 90 size_t max_size() const { | |
| 91 // Return current committed size of the from-space | |
| 92 return _gen->from_space()->capacity_in_bytes(); | |
| 93 } | |
| 94 }; | |
| 1972 | 95 |
| 96 #endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |