Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/services/psMemoryPool.hpp@f90c822e73f8 (annotated)
src/share/vm/services/psMemoryPool.hpp
Wed, 27 Apr 2016 01:25:04 +0800
- author
- aoqi
- date
- Wed, 27 Apr 2016 01:25:04 +0800
- changeset 0
- f90c822e73f8
- child 6876
- 710a3c8b516e
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http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |
| aoqi@0 | 26 | #define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | #include "utilities/macros.hpp" |
| aoqi@0 | 29 | #if INCLUDE_ALL_GCS |
| aoqi@0 | 30 | #include "gc_implementation/parallelScavenge/psOldGen.hpp" |
| aoqi@0 | 31 | #include "gc_implementation/parallelScavenge/psYoungGen.hpp" |
| aoqi@0 | 32 | #include "gc_implementation/shared/mutableSpace.hpp" |
| aoqi@0 | 33 | #include "memory/defNewGeneration.hpp" |
| aoqi@0 | 34 | #include "memory/heap.hpp" |
| aoqi@0 | 35 | #include "memory/space.hpp" |
| aoqi@0 | 36 | #include "services/memoryPool.hpp" |
| aoqi@0 | 37 | #include "services/memoryUsage.hpp" |
| aoqi@0 | 38 | #endif // INCLUDE_ALL_GCS |
| aoqi@0 | 39 | |
| aoqi@0 | 40 | class PSGenerationPool : public CollectedMemoryPool { |
| aoqi@0 | 41 | private: |
| aoqi@0 | 42 | PSOldGen* _gen; |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | public: |
| aoqi@0 | 45 | PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold); |
| aoqi@0 | 46 | |
| aoqi@0 | 47 | MemoryUsage get_memory_usage(); |
| aoqi@0 | 48 | size_t used_in_bytes() { return _gen->used_in_bytes(); } |
| aoqi@0 | 49 | size_t max_size() const { return _gen->reserved().byte_size(); } |
| aoqi@0 | 50 | }; |
| aoqi@0 | 51 | |
| aoqi@0 | 52 | class EdenMutableSpacePool : public CollectedMemoryPool { |
| aoqi@0 | 53 | private: |
| aoqi@0 | 54 | PSYoungGen* _gen; |
| aoqi@0 | 55 | MutableSpace* _space; |
| aoqi@0 | 56 | |
| aoqi@0 | 57 | public: |
| aoqi@0 | 58 | EdenMutableSpacePool(PSYoungGen* gen, |
| aoqi@0 | 59 | MutableSpace* space, |
| aoqi@0 | 60 | const char* name, |
| aoqi@0 | 61 | PoolType type, |
| aoqi@0 | 62 | bool support_usage_threshold); |
| aoqi@0 | 63 | |
| aoqi@0 | 64 | MutableSpace* space() { return _space; } |
| aoqi@0 | 65 | MemoryUsage get_memory_usage(); |
| aoqi@0 | 66 | size_t used_in_bytes() { return space()->used_in_bytes(); } |
| aoqi@0 | 67 | size_t max_size() const { |
| aoqi@0 | 68 | // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces |
| aoqi@0 | 69 | return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes(); |
| aoqi@0 | 70 | } |
| aoqi@0 | 71 | }; |
| aoqi@0 | 72 | |
| aoqi@0 | 73 | class SurvivorMutableSpacePool : public CollectedMemoryPool { |
| aoqi@0 | 74 | private: |
| aoqi@0 | 75 | PSYoungGen* _gen; |
| aoqi@0 | 76 | |
| aoqi@0 | 77 | public: |
| aoqi@0 | 78 | SurvivorMutableSpacePool(PSYoungGen* gen, |
| aoqi@0 | 79 | const char* name, |
| aoqi@0 | 80 | PoolType type, |
| aoqi@0 | 81 | bool support_usage_threshold); |
| aoqi@0 | 82 | |
| aoqi@0 | 83 | MemoryUsage get_memory_usage(); |
| aoqi@0 | 84 | |
| aoqi@0 | 85 | size_t used_in_bytes() { |
| aoqi@0 | 86 | return _gen->from_space()->used_in_bytes(); |
| aoqi@0 | 87 | } |
| aoqi@0 | 88 | size_t committed_in_bytes() { |
| aoqi@0 | 89 | return _gen->from_space()->capacity_in_bytes(); |
| aoqi@0 | 90 | } |
| aoqi@0 | 91 | size_t max_size() const { |
| aoqi@0 | 92 | // Return current committed size of the from-space |
| aoqi@0 | 93 | return _gen->from_space()->capacity_in_bytes(); |
| aoqi@0 | 94 | } |
| aoqi@0 | 95 | }; |
| aoqi@0 | 96 | |
| aoqi@0 | 97 | #endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |
