author | stefank |
Wed, 25 Mar 2015 10:13:56 +0100 | |
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parent 27880 | afb974a04396 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002, 2015, 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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#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP |
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#define SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP |
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#include "gc_implementation/shared/generationCounters.hpp" |
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#include "memory/space.hpp" |
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#include "runtime/perfData.hpp" |
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// A CSpaceCounters is a holder class for performance counters |
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// that track a space; |
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class CSpaceCounters: 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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PerfVariable* _max_capacity; |
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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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ContiguousSpace* _space; |
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char* _name_space; |
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public: |
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CSpaceCounters(const char* name, int ordinal, size_t max_size, |
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ContiguousSpace* s, GenerationCounters* gc); |
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~CSpaceCounters() { |
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if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space); |
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} |
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virtual void update_capacity(); |
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virtual void update_used(); |
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virtual void update_all(); |
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const char* name_space() const { return _name_space; } |
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}; |
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class ContiguousSpaceUsedHelper : public PerfLongSampleHelper { |
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private: |
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ContiguousSpace* _space; |
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public: |
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ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { } |
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jlong take_sample(); |
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}; |
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#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP |