author | phh |
Sat, 30 Nov 2019 14:33:05 -0800 | |
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/* |
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* Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#ifndef SHARE_GC_PARALLEL_PSMEMORYPOOL_HPP |
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#define SHARE_GC_PARALLEL_PSMEMORYPOOL_HPP |
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#include "gc/parallel/mutableSpace.hpp" |
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#include "gc/parallel/psOldGen.hpp" |
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#include "gc/parallel/psYoungGen.hpp" |
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#include "services/memoryPool.hpp" |
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#include "services/memoryUsage.hpp" |
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class PSGenerationPool : public CollectedMemoryPool { |
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private: |
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PSOldGen* _old_gen; |
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public: |
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PSGenerationPool(PSOldGen* pool, const char* name, bool support_usage_threshold); |
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MemoryUsage get_memory_usage(); |
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size_t used_in_bytes() { return _old_gen->used_in_bytes(); } |
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size_t max_size() const { return _old_gen->reserved().byte_size(); } |
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}; |
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class EdenMutableSpacePool : public CollectedMemoryPool { |
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PSYoungGen* _young_gen; |
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MutableSpace* _space; |
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EdenMutableSpacePool(PSYoungGen* young_gen, |
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MutableSpace* space, |
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const char* name, |
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bool support_usage_threshold); |
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MutableSpace* space() { return _space; } |
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MemoryUsage get_memory_usage(); |
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size_t used_in_bytes() { return space()->used_in_bytes(); } |
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size_t max_size() const { |
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// Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces |
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return _young_gen->max_size() - _young_gen->from_space()->capacity_in_bytes() - _young_gen->to_space()->capacity_in_bytes(); |
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} |
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}; |
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class SurvivorMutableSpacePool : public CollectedMemoryPool { |
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PSYoungGen* _young_gen; |
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SurvivorMutableSpacePool(PSYoungGen* young_gen, |
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const char* name, |
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bool support_usage_threshold); |
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MemoryUsage get_memory_usage(); |
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size_t used_in_bytes() { |
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return _young_gen->from_space()->used_in_bytes(); |
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} |
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size_t committed_in_bytes() { |
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return _young_gen->from_space()->capacity_in_bytes(); |
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} |
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size_t max_size() const { |
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// Return current committed size of the from-space |
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return _young_gen->from_space()->capacity_in_bytes(); |
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} |
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}; |
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#endif // SHARE_GC_PARALLEL_PSMEMORYPOOL_HPP |