Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/shared/spaceCounters.hpp @ 12233:40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
Summary: Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation.
Reviewed-by: stefank, dholmes
| author | tschatzl |
|---|---|
| date | Wed, 11 Sep 2013 16:25:02 +0200 |
| parents | db9981fd3124 |
| children | de6a9e811145 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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7197424: update copyright year to match last edit in jdk8 hotspot repository
mikael
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2 * Copyright (c) 2002, 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP | |
| 27 | |
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8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
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28 #include "utilities/macros.hpp" |
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db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
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29 #if INCLUDE_ALL_GCS |
| 1972 | 30 #include "gc_implementation/shared/generationCounters.hpp" |
| 31 #include "gc_implementation/shared/immutableSpace.hpp" | |
| 32 #include "gc_implementation/shared/mutableSpace.hpp" | |
| 33 #include "runtime/perfData.hpp" | |
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34 #endif // INCLUDE_ALL_GCS |
| 1972 | 35 |
| 0 | 36 // A SpaceCounter is a holder class for performance counters |
| 37 // that track a space; | |
| 38 | |
| 6197 | 39 class SpaceCounters: public CHeapObj<mtGC> { |
| 0 | 40 friend class VMStructs; |
| 41 | |
| 42 private: | |
| 43 PerfVariable* _capacity; | |
| 44 PerfVariable* _used; | |
| 45 | |
| 46 // Constant PerfData types don't need to retain a reference. | |
| 47 // However, it's a good idea to document them here. | |
| 48 // PerfConstant* _size; | |
| 49 | |
| 50 MutableSpace* _object_space; | |
| 51 char* _name_space; | |
| 52 | |
| 53 public: | |
| 54 | |
| 55 SpaceCounters(const char* name, int ordinal, size_t max_size, | |
| 56 MutableSpace* m, GenerationCounters* gc); | |
| 57 | |
| 58 ~SpaceCounters() { | |
| 6197 | 59 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtGC); |
| 0 | 60 } |
| 61 | |
| 62 inline void update_capacity() { | |
| 63 _capacity->set_value(_object_space->capacity_in_bytes()); | |
| 64 } | |
| 65 | |
| 66 inline void update_used() { | |
| 67 _used->set_value(_object_space->used_in_bytes()); | |
| 68 } | |
| 69 | |
| 70 inline void update_all() { | |
| 71 update_used(); | |
| 72 update_capacity(); | |
| 73 } | |
| 74 | |
| 75 const char* name_space() const { return _name_space; } | |
| 76 }; | |
| 77 | |
| 78 class MutableSpaceUsedHelper: public PerfLongSampleHelper { | |
| 79 private: | |
| 80 MutableSpace* _m; | |
| 81 | |
| 82 public: | |
| 83 MutableSpaceUsedHelper(MutableSpace* m) : _m(m) { } | |
| 84 | |
| 85 inline jlong take_sample() { | |
| 86 return _m->used_in_bytes(); | |
| 87 } | |
| 88 }; | |
| 1972 | 89 |
| 90 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP |