| /* |
| * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |
| #define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |
| |
| #include "utilities/macros.hpp" |
| #if INCLUDE_ALL_GCS |
| #include "gc/parallel/mutableSpace.hpp" |
| #include "gc/parallel/psOldGen.hpp" |
| #include "gc/parallel/psYoungGen.hpp" |
| #include "gc/serial/defNewGeneration.hpp" |
| #include "gc/shared/space.hpp" |
| #include "memory/heap.hpp" |
| #include "services/memoryPool.hpp" |
| #include "services/memoryUsage.hpp" |
| #endif // INCLUDE_ALL_GCS |
| |
| class PSGenerationPool : public CollectedMemoryPool { |
| private: |
| PSOldGen* _old_gen; |
| |
| public: |
| PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold); |
| |
| MemoryUsage get_memory_usage(); |
| size_t used_in_bytes() { return _old_gen->used_in_bytes(); } |
| size_t max_size() const { return _old_gen->reserved().byte_size(); } |
| }; |
| |
| class EdenMutableSpacePool : public CollectedMemoryPool { |
| private: |
| PSYoungGen* _young_gen; |
| MutableSpace* _space; |
| |
| public: |
| EdenMutableSpacePool(PSYoungGen* young_gen, |
| MutableSpace* space, |
| const char* name, |
| PoolType type, |
| bool support_usage_threshold); |
| |
| MutableSpace* space() { return _space; } |
| MemoryUsage get_memory_usage(); |
| size_t used_in_bytes() { return space()->used_in_bytes(); } |
| size_t max_size() const { |
| // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces |
| return _young_gen->max_size() - _young_gen->from_space()->capacity_in_bytes() - _young_gen->to_space()->capacity_in_bytes(); |
| } |
| }; |
| |
| class SurvivorMutableSpacePool : public CollectedMemoryPool { |
| private: |
| PSYoungGen* _young_gen; |
| |
| public: |
| SurvivorMutableSpacePool(PSYoungGen* young_gen, |
| const char* name, |
| PoolType type, |
| bool support_usage_threshold); |
| |
| MemoryUsage get_memory_usage(); |
| |
| size_t used_in_bytes() { |
| return _young_gen->from_space()->used_in_bytes(); |
| } |
| size_t committed_in_bytes() { |
| return _young_gen->from_space()->capacity_in_bytes(); |
| } |
| size_t max_size() const { |
| // Return current committed size of the from-space |
| return _young_gen->from_space()->capacity_in_bytes(); |
| } |
| }; |
| |
| #endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP |