Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp @ 6219:922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
Summary: Also reviewed by: vitalyd@gmail.com. Move the timing out of G1CollectorPolicy into the G1GCPhaseTimes class
Reviewed-by: johnc
author | brutisso |
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date | Wed, 11 Jul 2012 22:47:38 +0200 |
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children | 3a431b605145 |
rev | line source |
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6219
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1 /* |
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2 * Copyright (c) 2012, 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 class G1GCPhaseTimes : public CHeapObj { |
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32 friend class G1CollectorPolicy; |
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33 friend class TraceGen0TimeData; |
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34 |
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35 private: |
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36 uint _active_gc_threads; |
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37 uint _max_gc_threads; |
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38 |
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39 GCCause::Cause _gc_cause; |
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40 bool _is_young_gc; |
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41 bool _is_initial_mark_gc; |
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42 |
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43 double _pause_start_time_sec; |
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44 |
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45 double* _par_last_gc_worker_start_times_ms; |
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46 double* _par_last_ext_root_scan_times_ms; |
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47 double* _par_last_satb_filtering_times_ms; |
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48 double* _par_last_update_rs_times_ms; |
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49 double* _par_last_update_rs_processed_buffers; |
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50 double* _par_last_scan_rs_times_ms; |
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51 double* _par_last_obj_copy_times_ms; |
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52 double* _par_last_termination_times_ms; |
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53 double* _par_last_termination_attempts; |
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54 double* _par_last_gc_worker_end_times_ms; |
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55 double* _par_last_gc_worker_times_ms; |
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56 double* _par_last_gc_worker_other_times_ms; |
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57 |
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58 double _cur_collection_par_time_ms; |
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59 |
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60 double _cur_collection_code_root_fixup_time_ms; |
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61 |
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62 double _cur_clear_ct_time_ms; |
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63 double _cur_ref_proc_time_ms; |
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64 double _cur_ref_enq_time_ms; |
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65 |
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66 // Helper methods for detailed logging |
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67 void print_par_stats(int level, const char* str, double* data, bool showDecimals = true); |
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68 void print_stats(int level, const char* str, double value); |
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69 void print_stats(int level, const char* str, double value, int workers); |
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70 void print_stats(int level, const char* str, int value); |
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71 double avg_value(double* data); |
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72 double max_value(double* data); |
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73 double sum_of_values(double* data); |
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74 double max_sum(double* data1, double* data2); |
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75 double accounted_time_ms(); |
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76 |
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77 // Card Table Count Cache stats |
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78 double _min_clear_cc_time_ms; // min |
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79 double _max_clear_cc_time_ms; // max |
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80 double _cur_clear_cc_time_ms; // clearing time during current pause |
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81 double _cum_clear_cc_time_ms; // cummulative clearing time |
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82 jlong _num_cc_clears; // number of times the card count cache has been cleared |
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83 |
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84 // The following insance variables are directly accessed by G1CollectorPolicy |
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85 // and TraceGen0TimeData. This is why those classes are declared friends. |
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86 // An alternative is to add getters and setters for all of these fields. |
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87 // It might also be possible to restructure the code to reduce these |
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88 // dependencies. |
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89 double _ext_root_scan_time; |
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90 double _satb_filtering_time; |
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91 double _update_rs_time; |
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92 double _update_rs_processed_buffers; |
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93 double _scan_rs_time; |
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94 double _obj_copy_time; |
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95 double _termination_time; |
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96 |
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97 double _cur_collection_start_sec; |
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98 double _root_region_scan_wait_time_ms; |
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99 |
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100 double _recorded_young_cset_choice_time_ms; |
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101 double _recorded_non_young_cset_choice_time_ms; |
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102 |
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103 double _recorded_young_free_cset_time_ms; |
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104 double _recorded_non_young_free_cset_time_ms; |
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105 |
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106 void print(double pause_time_ms); |
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107 |
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108 public: |
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109 G1GCPhaseTimes(uint max_gc_threads); |
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110 void note_gc_start(double pause_start_time_sec, uint active_gc_threads, |
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111 bool is_young_gc, bool is_initial_mark_gc, GCCause::Cause gc_cause); |
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112 void note_gc_end(double pause_end_time_sec); |
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113 void collapse_par_times(); |
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114 |
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115 void record_gc_worker_start_time(uint worker_i, double ms) { |
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116 assert(worker_i >= 0, "worker index must be > 0"); |
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117 assert(worker_i < _active_gc_threads, "worker index out of bounds"); |
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118 _par_last_gc_worker_start_times_ms[worker_i] = ms; |
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119 } |
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120 |
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121 void record_ext_root_scan_time(uint worker_i, double ms) { |
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122 assert(worker_i >= 0, "worker index must be > 0"); |
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123 assert(worker_i < _active_gc_threads, "worker index out of bounds"); |
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124 _par_last_ext_root_scan_times_ms[worker_i] = ms; |
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125 } |
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126 |
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127 void record_satb_filtering_time(uint worker_i, double ms) { |
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128 assert(worker_i >= 0, "worker index must be > 0"); |
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129 assert(worker_i < _active_gc_threads, "worker index out of bounds"); |
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130 _par_last_satb_filtering_times_ms[worker_i] = ms; |
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131 } |
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132 |
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133 void record_update_rs_time(uint worker_i, double ms) { |
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134 assert(worker_i >= 0, "worker index must be > 0"); |
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135 assert(worker_i < _active_gc_threads, "worker index out of bounds"); |
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136 _par_last_update_rs_times_ms[worker_i] = ms; |
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137 } |
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138 |
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139 void record_update_rs_processed_buffers (uint worker_i, |
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140 double processed_buffers) { |
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141 assert(worker_i >= 0, "worker index must be > 0"); |
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142 assert(worker_i < _active_gc_threads, "worker index out of bounds"); |
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143 _par_last_update_rs_processed_buffers[worker_i] = processed_buffers; |
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144 } |
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145 |
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146 void record_scan_rs_time(uint worker_i, double ms) { |
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147 assert(worker_i >= 0, "worker index must be > 0"); |
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148 assert(worker_i < _active_gc_threads, "worker index out of bounds"); |
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149 _par_last_scan_rs_times_ms[worker_i] = ms; |
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150 } |
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151 |
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152 void reset_obj_copy_time(uint worker_i) { |
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153 assert(worker_i >= 0, "worker index must be > 0"); |
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154 assert(worker_i < _active_gc_threads, "worker index out of bounds"); |
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155 _par_last_obj_copy_times_ms[worker_i] = 0.0; |
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156 } |
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157 |
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158 void reset_obj_copy_time() { |
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159 reset_obj_copy_time(0); |
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160 } |
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161 |
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162 void record_obj_copy_time(uint worker_i, double ms) { |
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163 assert(worker_i >= 0, "worker index must be > 0"); |
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164 assert(worker_i < _active_gc_threads, "worker index out of bounds"); |
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165 _par_last_obj_copy_times_ms[worker_i] += ms; |
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166 } |
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167 |
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168 void record_termination(uint worker_i, double ms, size_t attempts) { |
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169 assert(worker_i >= 0, "worker index must be > 0"); |
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170 assert(worker_i < _active_gc_threads, "worker index out of bounds"); |
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171 _par_last_termination_times_ms[worker_i] = ms; |
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172 _par_last_termination_attempts[worker_i] = (double) attempts; |
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173 } |
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174 |
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175 void record_gc_worker_end_time(uint worker_i, double ms) { |
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176 assert(worker_i >= 0, "worker index must be > 0"); |
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177 assert(worker_i < _active_gc_threads, "worker index out of bounds"); |
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178 _par_last_gc_worker_end_times_ms[worker_i] = ms; |
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179 } |
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180 |
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181 void record_clear_ct_time(double ms) { |
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182 _cur_clear_ct_time_ms = ms; |
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183 } |
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184 |
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185 void record_par_time(double ms) { |
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186 _cur_collection_par_time_ms = ms; |
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187 } |
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188 |
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189 void record_code_root_fixup_time(double ms) { |
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190 _cur_collection_code_root_fixup_time_ms = ms; |
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191 } |
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192 |
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193 void record_ref_proc_time(double ms) { |
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194 _cur_ref_proc_time_ms = ms; |
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195 } |
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196 |
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197 void record_ref_enq_time(double ms) { |
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198 _cur_ref_enq_time_ms = ms; |
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199 } |
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200 |
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201 void record_root_region_scan_wait_time(double time_ms) { |
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202 _root_region_scan_wait_time_ms = time_ms; |
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203 } |
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204 |
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205 void record_cc_clear_time_ms(double ms); |
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206 |
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207 void record_young_free_cset_time_ms(double time_ms) { |
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208 _recorded_young_free_cset_time_ms = time_ms; |
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209 } |
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210 |
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211 void record_non_young_free_cset_time_ms(double time_ms) { |
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212 _recorded_non_young_free_cset_time_ms = time_ms; |
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213 } |
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214 }; |
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215 |
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216 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP |