1 /* 2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_GC_G1_G1CONCURRENTREFINESTATS_HPP 26 #define SHARE_GC_G1_G1CONCURRENTREFINESTATS_HPP 27 28 #include "memory/allocation.hpp" 29 #include "utilities/globalDefinitions.hpp" 30 #include "utilities/ticks.hpp" 31 32 // Collection of statistics for concurrent refinement processing. 33 // Used for collecting per-thread statistics and for summaries over a 34 // collection of threads. 35 class G1ConcurrentRefineStats : public CHeapObj<mtGC> { 36 Tickspan _refinement_time; 37 size_t _refined_cards; 38 size_t _precleaned_cards; 39 size_t _dirtied_cards; 40 41 public: 42 G1ConcurrentRefineStats(); 43 44 // Time spent performing concurrent refinement. refinement_time() const45 Tickspan refinement_time() const { return _refinement_time; } 46 47 // Number of refined cards. refined_cards() const48 size_t refined_cards() const { return _refined_cards; } 49 50 // Number of cards for which refinement was skipped because some other 51 // thread had already refined them. precleaned_cards() const52 size_t precleaned_cards() const { return _precleaned_cards; } 53 54 // Number of cards marked dirty and in need of refinement. dirtied_cards() const55 size_t dirtied_cards() const { return _dirtied_cards; } 56 inc_refinement_time(Tickspan t)57 void inc_refinement_time(Tickspan t) { _refinement_time += t; } inc_refined_cards(size_t cards)58 void inc_refined_cards(size_t cards) { _refined_cards += cards; } inc_precleaned_cards(size_t cards)59 void inc_precleaned_cards(size_t cards) { _precleaned_cards += cards; } inc_dirtied_cards(size_t cards)60 void inc_dirtied_cards(size_t cards) { _dirtied_cards += cards; } 61 62 G1ConcurrentRefineStats& operator+=(const G1ConcurrentRefineStats& other); 63 G1ConcurrentRefineStats& operator-=(const G1ConcurrentRefineStats& other); 64 operator +(G1ConcurrentRefineStats x,const G1ConcurrentRefineStats & y)65 friend G1ConcurrentRefineStats operator+(G1ConcurrentRefineStats x, 66 const G1ConcurrentRefineStats& y) { 67 return x += y; 68 } 69 operator -(G1ConcurrentRefineStats x,const G1ConcurrentRefineStats & y)70 friend G1ConcurrentRefineStats operator-(G1ConcurrentRefineStats x, 71 const G1ConcurrentRefineStats& y) { 72 return x -= y; 73 } 74 75 void reset(); 76 }; 77 78 #endif // SHARE_GC_G1_G1CONCURRENTREFINESTATS_HPP 79