author | coleenp |
Thu, 10 Jan 2019 15:13:51 -0500 | |
changeset 53244 | 9807daeb47c4 |
parent 48157 | 7c4d43c26352 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002, 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_SPACECOUNTERS_HPP |
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#define SHARE_GC_PARALLEL_SPACECOUNTERS_HPP |
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#include "gc/parallel/immutableSpace.hpp" |
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#include "gc/parallel/mutableSpace.hpp" |
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#include "gc/shared/generationCounters.hpp" |
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#include "runtime/perfData.hpp" |
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#include "utilities/macros.hpp" |
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// A SpaceCounter is a holder class for performance counters |
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// that track a space; |
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class SpaceCounters: public CHeapObj<mtGC> { |
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friend class VMStructs; |
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private: |
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PerfVariable* _capacity; |
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PerfVariable* _used; |
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// Constant PerfData types don't need to retain a reference. |
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// However, it's a good idea to document them here. |
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// PerfConstant* _size; |
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MutableSpace* _object_space; |
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char* _name_space; |
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public: |
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SpaceCounters(const char* name, int ordinal, size_t max_size, |
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MutableSpace* m, GenerationCounters* gc); |
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~SpaceCounters(); |
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inline void update_capacity() { |
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_capacity->set_value(_object_space->capacity_in_bytes()); |
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} |
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inline void update_used() { |
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_used->set_value(_object_space->used_in_bytes()); |
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} |
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inline void update_all() { |
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update_used(); |
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update_capacity(); |
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} |
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const char* name_space() const { return _name_space; } |
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}; |
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class MutableSpaceUsedHelper: public PerfLongSampleHelper { |
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private: |
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MutableSpace* _m; |
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public: |
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MutableSpaceUsedHelper(MutableSpace* m) : _m(m) { } |
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inline jlong take_sample() { |
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return _m->used_in_bytes(); |
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} |
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}; |
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#endif // SHARE_GC_PARALLEL_SPACECOUNTERS_HPP |