Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp @ 20216:570cb6369f17
8019342: G1: High "Other" time most likely due to card redirtying
Summary: Parallelize card redirtying to decrease the time it takes.
Reviewed-by: brutisso
author | tschatzl |
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date | Mon, 21 Jul 2014 09:40:19 +0200 |
parents | 8847586c9037 |
children | 2c6ef90f030a |
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 #include "gc_interface/gcCause.hpp" |
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30 |
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31 template <class T> |
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32 class WorkerDataArray : public CHeapObj<mtGC> { |
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33 T* _data; |
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34 uint _length; |
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35 const char* _print_format; |
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36 bool _print_sum; |
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37 |
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38 NOT_PRODUCT(static const T _uninitialized;) |
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39 |
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40 // We are caching the sum and average to only have to calculate them once. |
10405 | 41 // This is not done in an MT-safe way. It is intended to allow single |
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42 // threaded code to call sum() and average() multiple times in any order |
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43 // without having to worry about the cost. |
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44 bool _has_new_data; |
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45 T _sum; |
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46 double _average; |
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47 |
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48 public: |
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49 WorkerDataArray(uint length, const char* print_format, bool print_sum = true) : |
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50 _length(length), _print_format(print_format), _print_sum(print_sum), _has_new_data(true) { |
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51 assert(length > 0, "Must have some workers to store data for"); |
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52 _data = NEW_C_HEAP_ARRAY(T, _length, mtGC); |
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53 } |
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54 |
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55 ~WorkerDataArray() { |
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56 FREE_C_HEAP_ARRAY(T, _data, mtGC); |
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57 } |
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58 |
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59 void set(uint worker_i, T value) { |
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60 assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length)); |
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61 assert(_data[worker_i] == (T)-1, err_msg("Overwriting data for worker %d", worker_i)); |
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62 _data[worker_i] = value; |
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63 _has_new_data = true; |
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64 } |
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65 |
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66 T get(uint worker_i) { |
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67 assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length)); |
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68 assert(_data[worker_i] != (T)-1, err_msg("No data to add to for worker %d", worker_i)); |
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69 return _data[worker_i]; |
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70 } |
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71 |
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72 void add(uint worker_i, T value) { |
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73 assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length)); |
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74 assert(_data[worker_i] != (T)-1, err_msg("No data to add to for worker %d", worker_i)); |
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75 _data[worker_i] += value; |
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76 _has_new_data = true; |
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77 } |
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78 |
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79 double average(){ |
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80 if (_has_new_data) { |
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81 calculate_totals(); |
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82 } |
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83 return _average; |
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84 } |
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85 |
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86 T sum() { |
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87 if (_has_new_data) { |
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88 calculate_totals(); |
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89 } |
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90 return _sum; |
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91 } |
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92 |
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93 void print(int level, const char* title); |
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94 |
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95 void reset() PRODUCT_RETURN; |
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96 void verify() PRODUCT_RETURN; |
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97 |
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98 private: |
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99 |
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100 void calculate_totals(){ |
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101 _sum = (T)0; |
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102 for (uint i = 0; i < _length; ++i) { |
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103 _sum += _data[i]; |
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104 } |
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105 _average = (double)_sum / (double)_length; |
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106 _has_new_data = false; |
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107 } |
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108 }; |
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109 |
6220 | 110 class G1GCPhaseTimes : public CHeapObj<mtGC> { |
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111 |
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112 private: |
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113 uint _active_gc_threads; |
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114 uint _max_gc_threads; |
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115 |
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116 WorkerDataArray<double> _last_gc_worker_start_times_ms; |
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117 WorkerDataArray<double> _last_ext_root_scan_times_ms; |
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118 WorkerDataArray<double> _last_satb_filtering_times_ms; |
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119 WorkerDataArray<double> _last_update_rs_times_ms; |
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120 WorkerDataArray<int> _last_update_rs_processed_buffers; |
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121 WorkerDataArray<double> _last_scan_rs_times_ms; |
12080 | 122 WorkerDataArray<double> _last_strong_code_root_scan_times_ms; |
123 WorkerDataArray<double> _last_strong_code_root_mark_times_ms; | |
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124 WorkerDataArray<double> _last_obj_copy_times_ms; |
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125 WorkerDataArray<double> _last_termination_times_ms; |
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126 WorkerDataArray<size_t> _last_termination_attempts; |
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127 WorkerDataArray<double> _last_gc_worker_end_times_ms; |
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128 WorkerDataArray<double> _last_gc_worker_times_ms; |
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129 WorkerDataArray<double> _last_gc_worker_other_times_ms; |
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130 |
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131 double _cur_collection_par_time_ms; |
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132 double _cur_collection_code_root_fixup_time_ms; |
12080 | 133 double _cur_strong_code_root_migration_time_ms; |
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134 double _cur_strong_code_root_purge_time_ms; |
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135 |
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136 double _cur_evac_fail_recalc_used; |
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137 double _cur_evac_fail_restore_remsets; |
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138 double _cur_evac_fail_remove_self_forwards; |
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139 |
17764 | 140 double _cur_string_dedup_fixup_time_ms; |
141 WorkerDataArray<double> _cur_string_dedup_queue_fixup_worker_times_ms; | |
142 WorkerDataArray<double> _cur_string_dedup_table_fixup_worker_times_ms; | |
143 | |
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144 double _cur_clear_ct_time_ms; |
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145 double _cur_ref_proc_time_ms; |
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146 double _cur_ref_enq_time_ms; |
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147 |
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148 double _cur_collection_start_sec; |
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149 double _root_region_scan_wait_time_ms; |
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150 |
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151 double _recorded_young_cset_choice_time_ms; |
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152 double _recorded_non_young_cset_choice_time_ms; |
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153 |
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154 WorkerDataArray<double> _last_redirty_logged_cards_time_ms; |
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155 WorkerDataArray<size_t> _last_redirty_logged_cards_processed_cards; |
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156 double _recorded_redirty_logged_cards_time_ms; |
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157 |
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158 double _recorded_young_free_cset_time_ms; |
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159 double _recorded_non_young_free_cset_time_ms; |
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160 |
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161 double _cur_verify_before_time_ms; |
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162 double _cur_verify_after_time_ms; |
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163 |
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164 // Helper methods for detailed logging |
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165 void print_stats(int level, const char* str, double value); |
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166 void print_stats(int level, const char* str, double value, uint workers); |
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167 |
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168 public: |
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169 G1GCPhaseTimes(uint max_gc_threads); |
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170 void note_gc_start(uint active_gc_threads); |
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171 void note_gc_end(); |
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172 void print(double pause_time_sec); |
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173 |
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174 void record_gc_worker_start_time(uint worker_i, double ms) { |
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175 _last_gc_worker_start_times_ms.set(worker_i, ms); |
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176 } |
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177 |
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178 void record_ext_root_scan_time(uint worker_i, double ms) { |
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179 _last_ext_root_scan_times_ms.set(worker_i, ms); |
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180 } |
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181 |
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182 void record_satb_filtering_time(uint worker_i, double ms) { |
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183 _last_satb_filtering_times_ms.set(worker_i, ms); |
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184 } |
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185 |
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186 void record_update_rs_time(uint worker_i, double ms) { |
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187 _last_update_rs_times_ms.set(worker_i, ms); |
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188 } |
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189 |
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190 void record_update_rs_processed_buffers(uint worker_i, int processed_buffers) { |
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191 _last_update_rs_processed_buffers.set(worker_i, processed_buffers); |
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192 } |
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193 |
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194 void record_scan_rs_time(uint worker_i, double ms) { |
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195 _last_scan_rs_times_ms.set(worker_i, ms); |
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196 } |
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197 |
12080 | 198 void record_strong_code_root_scan_time(uint worker_i, double ms) { |
199 _last_strong_code_root_scan_times_ms.set(worker_i, ms); | |
200 } | |
201 | |
202 void record_strong_code_root_mark_time(uint worker_i, double ms) { | |
203 _last_strong_code_root_mark_times_ms.set(worker_i, ms); | |
204 } | |
205 | |
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206 void record_obj_copy_time(uint worker_i, double ms) { |
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207 _last_obj_copy_times_ms.set(worker_i, ms); |
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208 } |
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209 |
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210 void add_obj_copy_time(uint worker_i, double ms) { |
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211 _last_obj_copy_times_ms.add(worker_i, ms); |
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212 } |
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213 |
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214 void record_termination(uint worker_i, double ms, size_t attempts) { |
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215 _last_termination_times_ms.set(worker_i, ms); |
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216 _last_termination_attempts.set(worker_i, attempts); |
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217 } |
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218 |
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219 void record_gc_worker_end_time(uint worker_i, double ms) { |
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220 _last_gc_worker_end_times_ms.set(worker_i, ms); |
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221 } |
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222 |
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223 void record_clear_ct_time(double ms) { |
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224 _cur_clear_ct_time_ms = ms; |
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225 } |
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226 |
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227 void record_par_time(double ms) { |
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228 _cur_collection_par_time_ms = ms; |
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229 } |
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230 |
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231 void record_code_root_fixup_time(double ms) { |
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232 _cur_collection_code_root_fixup_time_ms = ms; |
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233 } |
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234 |
12080 | 235 void record_strong_code_root_migration_time(double ms) { |
236 _cur_strong_code_root_migration_time_ms = ms; | |
237 } | |
238 | |
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239 void record_strong_code_root_purge_time(double ms) { |
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240 _cur_strong_code_root_purge_time_ms = ms; |
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241 } |
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242 |
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243 void record_evac_fail_recalc_used_time(double ms) { |
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244 _cur_evac_fail_recalc_used = ms; |
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245 } |
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246 |
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247 void record_evac_fail_restore_remsets(double ms) { |
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248 _cur_evac_fail_restore_remsets = ms; |
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249 } |
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250 |
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251 void record_evac_fail_remove_self_forwards(double ms) { |
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252 _cur_evac_fail_remove_self_forwards = ms; |
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253 } |
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254 |
17764 | 255 void note_string_dedup_fixup_start(); |
256 void note_string_dedup_fixup_end(); | |
257 | |
258 void record_string_dedup_fixup_time(double ms) { | |
259 _cur_string_dedup_fixup_time_ms = ms; | |
260 } | |
261 | |
262 void record_string_dedup_queue_fixup_worker_time(uint worker_id, double ms) { | |
263 _cur_string_dedup_queue_fixup_worker_times_ms.set(worker_id, ms); | |
264 } | |
265 | |
266 void record_string_dedup_table_fixup_worker_time(uint worker_id, double ms) { | |
267 _cur_string_dedup_table_fixup_worker_times_ms.set(worker_id, ms); | |
268 } | |
269 | |
6219
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270 void record_ref_proc_time(double ms) { |
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271 _cur_ref_proc_time_ms = ms; |
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272 } |
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273 |
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274 void record_ref_enq_time(double ms) { |
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275 _cur_ref_enq_time_ms = ms; |
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276 } |
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277 |
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278 void record_root_region_scan_wait_time(double time_ms) { |
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279 _root_region_scan_wait_time_ms = time_ms; |
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280 } |
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281 |
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282 void record_young_free_cset_time_ms(double time_ms) { |
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283 _recorded_young_free_cset_time_ms = time_ms; |
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284 } |
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285 |
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286 void record_non_young_free_cset_time_ms(double time_ms) { |
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287 _recorded_non_young_free_cset_time_ms = time_ms; |
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288 } |
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289 |
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290 void record_young_cset_choice_time_ms(double time_ms) { |
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291 _recorded_young_cset_choice_time_ms = time_ms; |
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292 } |
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293 |
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294 void record_non_young_cset_choice_time_ms(double time_ms) { |
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295 _recorded_non_young_cset_choice_time_ms = time_ms; |
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296 } |
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297 |
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298 void record_redirty_logged_cards_time_ms(uint worker_i, double time_ms) { |
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299 _last_redirty_logged_cards_time_ms.set(worker_i, time_ms); |
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300 } |
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301 |
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302 void record_redirty_logged_cards_processed_cards(uint worker_i, size_t processed_buffers) { |
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303 _last_redirty_logged_cards_processed_cards.set(worker_i, processed_buffers); |
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304 } |
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305 |
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306 void record_redirty_logged_cards_time_ms(double time_ms) { |
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307 _recorded_redirty_logged_cards_time_ms = time_ms; |
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308 } |
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309 |
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310 void record_cur_collection_start_sec(double time_ms) { |
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311 _cur_collection_start_sec = time_ms; |
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312 } |
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313 |
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314 void record_verify_before_time_ms(double time_ms) { |
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315 _cur_verify_before_time_ms = time_ms; |
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316 } |
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317 |
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318 void record_verify_after_time_ms(double time_ms) { |
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319 _cur_verify_after_time_ms = time_ms; |
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320 } |
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321 |
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322 double accounted_time_ms(); |
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323 |
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324 double cur_collection_start_sec() { |
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325 return _cur_collection_start_sec; |
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326 } |
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327 |
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328 double cur_collection_par_time_ms() { |
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329 return _cur_collection_par_time_ms; |
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330 } |
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331 |
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332 double cur_clear_ct_time_ms() { |
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333 return _cur_clear_ct_time_ms; |
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334 } |
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335 |
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336 double root_region_scan_wait_time_ms() { |
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337 return _root_region_scan_wait_time_ms; |
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338 } |
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339 |
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340 double young_cset_choice_time_ms() { |
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341 return _recorded_young_cset_choice_time_ms; |
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342 } |
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343 |
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344 double young_free_cset_time_ms() { |
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345 return _recorded_young_free_cset_time_ms; |
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346 } |
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347 |
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348 double non_young_cset_choice_time_ms() { |
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349 return _recorded_non_young_cset_choice_time_ms; |
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350 } |
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351 |
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352 double non_young_free_cset_time_ms() { |
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353 return _recorded_non_young_free_cset_time_ms; |
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354 } |
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355 |
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356 double average_last_update_rs_time() { |
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357 return _last_update_rs_times_ms.average(); |
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358 } |
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359 |
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360 int sum_last_update_rs_processed_buffers() { |
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361 return _last_update_rs_processed_buffers.sum(); |
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362 } |
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363 |
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364 double average_last_scan_rs_time(){ |
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365 return _last_scan_rs_times_ms.average(); |
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366 } |
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367 |
12080 | 368 double average_last_strong_code_root_scan_time(){ |
369 return _last_strong_code_root_scan_times_ms.average(); | |
370 } | |
371 | |
372 double average_last_strong_code_root_mark_time(){ | |
373 return _last_strong_code_root_mark_times_ms.average(); | |
374 } | |
375 | |
6628
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376 double average_last_obj_copy_time() { |
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377 return _last_obj_copy_times_ms.average(); |
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378 } |
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379 |
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380 double average_last_termination_time() { |
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381 return _last_termination_times_ms.average(); |
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382 } |
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383 |
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384 double average_last_ext_root_scan_time() { |
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385 return _last_ext_root_scan_times_ms.average(); |
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386 } |
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387 |
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388 double average_last_satb_filtering_times_ms() { |
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389 return _last_satb_filtering_times_ms.average(); |
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390 } |
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391 }; |
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392 |
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393 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP |