79 lines
2.9 KiB
C++
79 lines
2.9 KiB
C++
/*
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* Copyright (c) 2020, 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_G1CONCURRENTREFINESTATS_HPP
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#define SHARE_GC_G1_G1CONCURRENTREFINESTATS_HPP
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#include "memory/allocation.hpp"
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#include "utilities/globalDefinitions.hpp"
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#include "utilities/ticks.hpp"
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// Collection of statistics for concurrent refinement processing.
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// Used for collecting per-thread statistics and for summaries over a
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// collection of threads.
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class G1ConcurrentRefineStats : public CHeapObj<mtGC> {
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Tickspan _refinement_time;
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size_t _refined_cards;
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size_t _precleaned_cards;
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size_t _dirtied_cards;
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public:
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G1ConcurrentRefineStats();
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// Time spent performing concurrent refinement.
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Tickspan refinement_time() const { return _refinement_time; }
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// Number of refined cards.
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size_t refined_cards() const { return _refined_cards; }
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// Number of cards for which refinement was skipped because some other
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// thread had already refined them.
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size_t precleaned_cards() const { return _precleaned_cards; }
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// Number of cards marked dirty and in need of refinement.
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size_t dirtied_cards() const { return _dirtied_cards; }
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void inc_refinement_time(Tickspan t) { _refinement_time += t; }
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void inc_refined_cards(size_t cards) { _refined_cards += cards; }
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void inc_precleaned_cards(size_t cards) { _precleaned_cards += cards; }
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void inc_dirtied_cards(size_t cards) { _dirtied_cards += cards; }
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G1ConcurrentRefineStats& operator+=(const G1ConcurrentRefineStats& other);
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G1ConcurrentRefineStats& operator-=(const G1ConcurrentRefineStats& other);
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friend G1ConcurrentRefineStats operator+(G1ConcurrentRefineStats x,
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const G1ConcurrentRefineStats& y) {
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return x += y;
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}
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friend G1ConcurrentRefineStats operator-(G1ConcurrentRefineStats x,
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const G1ConcurrentRefineStats& y) {
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return x -= y;
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}
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void reset();
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};
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#endif // SHARE_GC_G1_G1CONCURRENTREFINESTATS_HPP
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