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src/share/vm/services/psMemoryPool.hpp@69ad7823b1ca (annotated)
src/share/vm/services/psMemoryPool.hpp
Mon, 05 Nov 2012 15:30:22 -0500
- author
- zgu
- date
- Mon, 05 Nov 2012 15:30:22 -0500
- changeset 4248
- 69ad7823b1ca
- parent 4037
- da91efe96a93
- child 4542
- db9981fd3124
- permissions
- -rw-r--r--
8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
Summary: NMT should allow overlapping committed regions as long as they belong to the same reserved region
Reviewed-by: dholmes, coleenp
| duke@435 | 1 | /* |
| coleenp@4037 | 2 | * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |
| stefank@2314 | 26 | #define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #ifndef SERIALGC |
| stefank@2314 | 29 | #include "gc_implementation/parallelScavenge/psOldGen.hpp" |
| stefank@2314 | 30 | #include "gc_implementation/parallelScavenge/psYoungGen.hpp" |
| stefank@2314 | 31 | #include "gc_implementation/shared/mutableSpace.hpp" |
| stefank@2314 | 32 | #include "memory/defNewGeneration.hpp" |
| stefank@2314 | 33 | #include "memory/heap.hpp" |
| stefank@2314 | 34 | #include "memory/space.hpp" |
| stefank@2314 | 35 | #include "services/memoryPool.hpp" |
| stefank@2314 | 36 | #include "services/memoryUsage.hpp" |
| stefank@2314 | 37 | #endif |
| stefank@2314 | 38 | |
| duke@435 | 39 | class PSGenerationPool : public CollectedMemoryPool { |
| duke@435 | 40 | private: |
| duke@435 | 41 | PSOldGen* _gen; |
| duke@435 | 42 | |
| duke@435 | 43 | public: |
| duke@435 | 44 | PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold); |
| duke@435 | 45 | |
| duke@435 | 46 | MemoryUsage get_memory_usage(); |
| duke@435 | 47 | size_t used_in_bytes() { return _gen->used_in_bytes(); } |
| duke@435 | 48 | size_t max_size() const { return _gen->reserved().byte_size(); } |
| duke@435 | 49 | }; |
| duke@435 | 50 | |
| duke@435 | 51 | class EdenMutableSpacePool : public CollectedMemoryPool { |
| duke@435 | 52 | private: |
| duke@435 | 53 | PSYoungGen* _gen; |
| duke@435 | 54 | MutableSpace* _space; |
| duke@435 | 55 | |
| duke@435 | 56 | public: |
| duke@435 | 57 | EdenMutableSpacePool(PSYoungGen* gen, |
| duke@435 | 58 | MutableSpace* space, |
| duke@435 | 59 | const char* name, |
| duke@435 | 60 | PoolType type, |
| duke@435 | 61 | bool support_usage_threshold); |
| duke@435 | 62 | |
| duke@435 | 63 | MutableSpace* space() { return _space; } |
| duke@435 | 64 | MemoryUsage get_memory_usage(); |
| duke@435 | 65 | size_t used_in_bytes() { return space()->used_in_bytes(); } |
| duke@435 | 66 | size_t max_size() const { |
| duke@435 | 67 | // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces |
| duke@435 | 68 | return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes(); |
| duke@435 | 69 | } |
| duke@435 | 70 | }; |
| duke@435 | 71 | |
| duke@435 | 72 | class SurvivorMutableSpacePool : public CollectedMemoryPool { |
| duke@435 | 73 | private: |
| duke@435 | 74 | PSYoungGen* _gen; |
| duke@435 | 75 | |
| duke@435 | 76 | public: |
| duke@435 | 77 | SurvivorMutableSpacePool(PSYoungGen* gen, |
| duke@435 | 78 | const char* name, |
| duke@435 | 79 | PoolType type, |
| duke@435 | 80 | bool support_usage_threshold); |
| duke@435 | 81 | |
| duke@435 | 82 | MemoryUsage get_memory_usage(); |
| duke@435 | 83 | |
| duke@435 | 84 | size_t used_in_bytes() { |
| duke@435 | 85 | return _gen->from_space()->used_in_bytes(); |
| duke@435 | 86 | } |
| duke@435 | 87 | size_t committed_in_bytes() { |
| duke@435 | 88 | return _gen->from_space()->capacity_in_bytes(); |
| duke@435 | 89 | } |
| duke@435 | 90 | size_t max_size() const { |
| duke@435 | 91 | // Return current committed size of the from-space |
| duke@435 | 92 | return _gen->from_space()->capacity_in_bytes(); |
| duke@435 | 93 | } |
| duke@435 | 94 | }; |
| stefank@2314 | 95 | |
| stefank@2314 | 96 | #endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |
