Mercurial > hg > graal-jvmci-8
annotate src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp @ 22910:3ca53859c3c7
8027962: Per-phase timing measurements for strong roots processing
Reviewed-by: tschatzl, ecaspole
author | brutisso |
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date | Thu, 19 Mar 2015 15:25:54 +0100 |
parents | c3fcc09c9239 |
children | cbc7c4c9e11c |
rev | line source |
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1 /* |
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2 * Copyright (c) 2013, 2014 Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP |
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26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP |
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27 |
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28 #include "memory/allocation.hpp" |
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29 |
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30 class LineBuffer; |
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31 |
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32 template <class T> class WorkerDataArray; |
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33 |
6220 | 34 class G1GCPhaseTimes : public CHeapObj<mtGC> { |
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35 friend class G1GCParPhasePrinter; |
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36 |
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37 uint _active_gc_threads; |
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38 uint _max_gc_threads; |
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39 |
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40 public: |
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41 enum GCParPhases { |
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42 GCWorkerStart, |
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43 ExtRootScan, |
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44 ThreadRoots, |
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45 StringTableRoots, |
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46 UniverseRoots, |
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47 JNIRoots, |
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48 ObjectSynchronizerRoots, |
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49 FlatProfilerRoots, |
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50 ManagementRoots, |
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51 SystemDictionaryRoots, |
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52 CLDGRoots, |
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53 JVMTIRoots, |
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54 CodeCacheRoots, |
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55 CMRefRoots, |
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56 WaitForStrongCLD, |
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57 WeakCLDRoots, |
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58 SATBFiltering, |
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59 UpdateRS, |
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60 ScanRS, |
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61 CodeRoots, |
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62 ObjCopy, |
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63 Termination, |
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64 Other, |
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65 GCWorkerTotal, |
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66 GCWorkerEnd, |
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67 StringDedupQueueFixup, |
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68 StringDedupTableFixup, |
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69 RedirtyCards, |
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70 GCParPhasesSentinel |
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71 }; |
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72 |
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73 private: |
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74 // Markers for grouping the phases in the GCPhases enum above |
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75 static const int GCMainParPhasesLast = GCWorkerEnd; |
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76 static const int StringDedupPhasesFirst = StringDedupQueueFixup; |
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77 static const int StringDedupPhasesLast = StringDedupTableFixup; |
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78 |
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79 WorkerDataArray<double>* _gc_par_phases[GCParPhasesSentinel]; |
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80 WorkerDataArray<size_t>* _update_rs_processed_buffers; |
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81 WorkerDataArray<size_t>* _termination_attempts; |
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82 WorkerDataArray<size_t>* _redirtied_cards; |
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83 |
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84 double _cur_collection_par_time_ms; |
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85 double _cur_collection_code_root_fixup_time_ms; |
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86 double _cur_strong_code_root_purge_time_ms; |
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87 |
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88 double _cur_evac_fail_recalc_used; |
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89 double _cur_evac_fail_restore_remsets; |
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90 double _cur_evac_fail_remove_self_forwards; |
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91 |
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92 double _cur_string_dedup_fixup_time_ms; |
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94 double _cur_clear_ct_time_ms; |
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95 double _cur_ref_proc_time_ms; |
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96 double _cur_ref_enq_time_ms; |
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97 |
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98 double _cur_collection_start_sec; |
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99 double _root_region_scan_wait_time_ms; |
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100 |
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101 double _recorded_young_cset_choice_time_ms; |
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102 double _recorded_non_young_cset_choice_time_ms; |
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103 |
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104 double _recorded_redirty_logged_cards_time_ms; |
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105 |
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106 double _recorded_young_free_cset_time_ms; |
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107 double _recorded_non_young_free_cset_time_ms; |
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108 |
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109 double _cur_fast_reclaim_humongous_time_ms; |
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110 size_t _cur_fast_reclaim_humongous_total; |
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111 size_t _cur_fast_reclaim_humongous_candidates; |
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112 size_t _cur_fast_reclaim_humongous_reclaimed; |
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113 |
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114 double _cur_verify_before_time_ms; |
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115 double _cur_verify_after_time_ms; |
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116 |
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117 // Helper methods for detailed logging |
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118 void print_stats(int level, const char* str, double value); |
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119 void print_stats(int level, const char* str, size_t value); |
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120 void print_stats(int level, const char* str, double value, uint workers); |
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121 |
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122 public: |
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123 G1GCPhaseTimes(uint max_gc_threads); |
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124 void note_gc_start(uint active_gc_threads, bool mark_in_progress); |
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125 void note_gc_end(); |
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126 void print(double pause_time_sec); |
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127 |
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128 // record the time a phase took in seconds |
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129 void record_time_secs(GCParPhases phase, uint worker_i, double secs); |
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130 |
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131 // add a number of seconds to a phase |
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132 void add_time_secs(GCParPhases phase, uint worker_i, double secs); |
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133 |
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134 void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count); |
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135 |
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136 // return the average time for a phase in milliseconds |
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137 double average_time_ms(GCParPhases phase); |
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138 |
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139 size_t sum_thread_work_items(GCParPhases phase); |
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140 |
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141 private: |
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142 double get_time_ms(GCParPhases phase, uint worker_i); |
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143 double sum_time_ms(GCParPhases phase); |
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144 double min_time_ms(GCParPhases phase); |
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145 double max_time_ms(GCParPhases phase); |
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146 size_t get_thread_work_item(GCParPhases phase, uint worker_i); |
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147 double average_thread_work_items(GCParPhases phase); |
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148 size_t min_thread_work_items(GCParPhases phase); |
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149 size_t max_thread_work_items(GCParPhases phase); |
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150 |
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151 public: |
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152 |
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153 void record_clear_ct_time(double ms) { |
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154 _cur_clear_ct_time_ms = ms; |
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155 } |
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156 |
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157 void record_par_time(double ms) { |
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158 _cur_collection_par_time_ms = ms; |
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159 } |
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160 |
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161 void record_code_root_fixup_time(double ms) { |
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162 _cur_collection_code_root_fixup_time_ms = ms; |
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163 } |
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164 |
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165 void record_strong_code_root_purge_time(double ms) { |
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166 _cur_strong_code_root_purge_time_ms = ms; |
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167 } |
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168 |
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169 void record_evac_fail_recalc_used_time(double ms) { |
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170 _cur_evac_fail_recalc_used = ms; |
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171 } |
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172 |
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173 void record_evac_fail_restore_remsets(double ms) { |
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174 _cur_evac_fail_restore_remsets = ms; |
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175 } |
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176 |
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177 void record_evac_fail_remove_self_forwards(double ms) { |
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178 _cur_evac_fail_remove_self_forwards = ms; |
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179 } |
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180 |
17764 | 181 void record_string_dedup_fixup_time(double ms) { |
182 _cur_string_dedup_fixup_time_ms = ms; | |
183 } | |
184 | |
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185 void record_ref_proc_time(double ms) { |
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186 _cur_ref_proc_time_ms = ms; |
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187 } |
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188 |
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189 void record_ref_enq_time(double ms) { |
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190 _cur_ref_enq_time_ms = ms; |
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191 } |
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192 |
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193 void record_root_region_scan_wait_time(double time_ms) { |
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194 _root_region_scan_wait_time_ms = time_ms; |
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195 } |
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196 |
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197 void record_young_free_cset_time_ms(double time_ms) { |
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198 _recorded_young_free_cset_time_ms = time_ms; |
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199 } |
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200 |
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201 void record_non_young_free_cset_time_ms(double time_ms) { |
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202 _recorded_non_young_free_cset_time_ms = time_ms; |
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203 } |
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204 |
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205 void record_fast_reclaim_humongous_stats(size_t total, size_t candidates) { |
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206 _cur_fast_reclaim_humongous_total = total; |
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207 _cur_fast_reclaim_humongous_candidates = candidates; |
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208 } |
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209 |
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210 void record_fast_reclaim_humongous_time_ms(double value, size_t reclaimed) { |
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211 _cur_fast_reclaim_humongous_time_ms = value; |
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212 _cur_fast_reclaim_humongous_reclaimed = reclaimed; |
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213 } |
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214 |
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215 void record_young_cset_choice_time_ms(double time_ms) { |
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216 _recorded_young_cset_choice_time_ms = time_ms; |
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217 } |
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218 |
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219 void record_non_young_cset_choice_time_ms(double time_ms) { |
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220 _recorded_non_young_cset_choice_time_ms = time_ms; |
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221 } |
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222 |
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223 void record_redirty_logged_cards_time_ms(double time_ms) { |
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224 _recorded_redirty_logged_cards_time_ms = time_ms; |
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225 } |
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226 |
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227 void record_cur_collection_start_sec(double time_ms) { |
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228 _cur_collection_start_sec = time_ms; |
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229 } |
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230 |
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231 void record_verify_before_time_ms(double time_ms) { |
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232 _cur_verify_before_time_ms = time_ms; |
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233 } |
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234 |
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235 void record_verify_after_time_ms(double time_ms) { |
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236 _cur_verify_after_time_ms = time_ms; |
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237 } |
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238 |
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239 double accounted_time_ms(); |
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240 |
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241 double cur_collection_start_sec() { |
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242 return _cur_collection_start_sec; |
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243 } |
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244 |
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245 double cur_collection_par_time_ms() { |
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246 return _cur_collection_par_time_ms; |
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247 } |
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248 |
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249 double cur_clear_ct_time_ms() { |
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250 return _cur_clear_ct_time_ms; |
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251 } |
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252 |
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253 double root_region_scan_wait_time_ms() { |
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254 return _root_region_scan_wait_time_ms; |
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255 } |
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256 |
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257 double young_cset_choice_time_ms() { |
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258 return _recorded_young_cset_choice_time_ms; |
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259 } |
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260 |
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261 double young_free_cset_time_ms() { |
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262 return _recorded_young_free_cset_time_ms; |
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263 } |
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264 |
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265 double non_young_cset_choice_time_ms() { |
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266 return _recorded_non_young_cset_choice_time_ms; |
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267 } |
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268 |
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269 double non_young_free_cset_time_ms() { |
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270 return _recorded_non_young_free_cset_time_ms; |
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271 } |
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272 |
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273 double fast_reclaim_humongous_time_ms() { |
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274 return _cur_fast_reclaim_humongous_time_ms; |
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275 } |
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276 }; |
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277 |
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278 class G1GCParPhaseTimesTracker : public StackObj { |
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279 double _start_time; |
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280 G1GCPhaseTimes::GCParPhases _phase; |
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281 G1GCPhaseTimes* _phase_times; |
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282 uint _worker_id; |
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283 public: |
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284 G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id); |
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285 ~G1GCParPhaseTimesTracker(); |
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286 }; |
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287 |
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288 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP |