author | manc |
Mon, 14 Oct 2019 18:48:10 -0700 | |
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child 59114 | c545e449137c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2013, 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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#ifndef SHARE_GC_G1_G1REMSETSUMMARY_HPP |
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#define SHARE_GC_G1_G1REMSETSUMMARY_HPP |
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#include "utilities/globalDefinitions.hpp" |
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#include "utilities/ostream.hpp" |
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class G1RemSet; |
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// A G1RemSetSummary manages statistical information about the G1RemSet |
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class G1RemSetSummary { |
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private: |
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friend class GetRSThreadVTimeClosure; |
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size_t _total_mutator_refined_cards; |
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size_t _total_concurrent_refined_cards; |
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size_t _num_coarsenings; |
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size_t _num_vtimes; |
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double* _rs_threads_vtimes; |
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double _sampling_thread_vtime; |
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void set_rs_thread_vtime(uint thread, double value); |
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void set_sampling_thread_vtime(double value) { |
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_sampling_thread_vtime = value; |
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} |
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// update this summary with current data from various places |
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void update(); |
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public: |
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G1RemSetSummary(bool should_update = true); |
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~G1RemSetSummary(); |
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// set the counters in this summary to the values of the others |
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void set(G1RemSetSummary* other); |
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// subtract all counters from the other summary, and set them in the current |
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void subtract_from(G1RemSetSummary* other); |
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void print_on(outputStream* out); |
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double rs_thread_vtime(uint thread) const; |
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double sampling_thread_vtime() const { |
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return _sampling_thread_vtime; |
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} |
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size_t total_mutator_refined_cards() const { |
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return _total_mutator_refined_cards; |
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} |
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size_t total_concurrent_refined_cards() const { |
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return _total_concurrent_refined_cards; |
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} |
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size_t total_refined_cards() const { |
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return total_mutator_refined_cards() + total_concurrent_refined_cards(); |
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} |
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size_t num_coarsenings() const { |
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return _num_coarsenings; |
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} |
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}; |
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#endif // SHARE_GC_G1_G1REMSETSUMMARY_HPP |