Mercurial > hg > graal-jvmci-8
annotate src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp @ 6785:b86575d092a2
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author | dsamersoff |
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date | Thu, 27 Sep 2012 20:22:57 +0400 |
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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 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 // We are caching the sum and average to only have to calculate them once. |
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39 // This is not done in an MT-safe way. It is intetened to allow single |
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40 // threaded code to call sum() and average() multiple times in any order |
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41 // without having to worry about the cost. |
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42 bool _has_new_data; |
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43 T _sum; |
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44 double _average; |
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45 |
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46 public: |
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47 WorkerDataArray(uint length, const char* print_format, bool print_sum = true) : |
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48 _length(length), _print_format(print_format), _print_sum(print_sum), _has_new_data(true) { |
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49 assert(length > 0, "Must have some workers to store data for"); |
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50 _data = NEW_C_HEAP_ARRAY(T, _length, mtGC); |
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51 } |
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52 |
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53 ~WorkerDataArray() { |
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54 FREE_C_HEAP_ARRAY(T, _data, mtGC); |
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55 } |
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56 |
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57 void set(uint worker_i, T value) { |
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58 assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length)); |
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59 assert(_data[worker_i] == (T)-1, err_msg("Overwriting data for worker %d", worker_i)); |
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60 _data[worker_i] = value; |
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61 _has_new_data = true; |
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62 } |
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63 |
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64 T get(uint worker_i) { |
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65 assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length)); |
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66 assert(_data[worker_i] != (T)-1, err_msg("No data to add to for worker %d", worker_i)); |
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67 return _data[worker_i]; |
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68 } |
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69 |
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70 void add(uint worker_i, T value) { |
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71 assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length)); |
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72 assert(_data[worker_i] != (T)-1, err_msg("No data to add to for worker %d", worker_i)); |
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73 _data[worker_i] += value; |
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74 _has_new_data = true; |
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75 } |
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76 |
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77 double average(){ |
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78 if (_has_new_data) { |
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79 calculate_totals(); |
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80 } |
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81 return _average; |
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82 } |
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83 |
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84 T sum() { |
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85 if (_has_new_data) { |
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86 calculate_totals(); |
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87 } |
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88 return _sum; |
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89 } |
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90 |
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91 void print(int level, const char* title); |
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92 |
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93 void reset() PRODUCT_RETURN; |
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94 void verify() PRODUCT_RETURN; |
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95 |
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96 private: |
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97 |
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98 void calculate_totals(){ |
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99 _sum = (T)0; |
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100 for (uint i = 0; i < _length; ++i) { |
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101 _sum += _data[i]; |
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102 } |
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103 _average = (double)_sum / (double)_length; |
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104 _has_new_data = false; |
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105 } |
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106 }; |
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107 |
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109 |
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110 private: |
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111 uint _active_gc_threads; |
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112 uint _max_gc_threads; |
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113 |
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114 WorkerDataArray<double> _last_gc_worker_start_times_ms; |
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115 WorkerDataArray<double> _last_ext_root_scan_times_ms; |
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116 WorkerDataArray<double> _last_satb_filtering_times_ms; |
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117 WorkerDataArray<double> _last_update_rs_times_ms; |
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118 WorkerDataArray<int> _last_update_rs_processed_buffers; |
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119 WorkerDataArray<double> _last_scan_rs_times_ms; |
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120 WorkerDataArray<double> _last_obj_copy_times_ms; |
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121 WorkerDataArray<double> _last_termination_times_ms; |
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122 WorkerDataArray<size_t> _last_termination_attempts; |
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123 WorkerDataArray<double> _last_gc_worker_end_times_ms; |
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124 WorkerDataArray<double> _last_gc_worker_times_ms; |
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125 WorkerDataArray<double> _last_gc_worker_other_times_ms; |
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126 |
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127 double _cur_collection_par_time_ms; |
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128 double _cur_collection_code_root_fixup_time_ms; |
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129 |
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130 double _cur_clear_ct_time_ms; |
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131 double _cur_ref_proc_time_ms; |
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132 double _cur_ref_enq_time_ms; |
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133 |
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134 // Card Table Count Cache stats |
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135 double _min_clear_cc_time_ms; // min |
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136 double _max_clear_cc_time_ms; // max |
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137 double _cur_clear_cc_time_ms; // clearing time during current pause |
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138 double _cum_clear_cc_time_ms; // cummulative clearing time |
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139 jlong _num_cc_clears; // number of times the card count cache has been cleared |
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140 |
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141 double _cur_collection_start_sec; |
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142 double _root_region_scan_wait_time_ms; |
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143 |
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144 double _recorded_young_cset_choice_time_ms; |
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145 double _recorded_non_young_cset_choice_time_ms; |
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146 |
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147 double _recorded_young_free_cset_time_ms; |
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148 double _recorded_non_young_free_cset_time_ms; |
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149 |
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150 double _cur_verify_before_time_ms; |
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151 double _cur_verify_after_time_ms; |
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152 |
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153 // Helper methods for detailed logging |
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154 void print_stats(int level, const char* str, double value); |
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155 void print_stats(int level, const char* str, double value, int workers); |
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156 |
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157 public: |
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158 G1GCPhaseTimes(uint max_gc_threads); |
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159 void note_gc_start(uint active_gc_threads); |
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160 void note_gc_end(); |
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161 void print(double pause_time_sec); |
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162 |
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163 void record_gc_worker_start_time(uint worker_i, double ms) { |
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164 _last_gc_worker_start_times_ms.set(worker_i, ms); |
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165 } |
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166 |
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167 void record_ext_root_scan_time(uint worker_i, double ms) { |
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168 _last_ext_root_scan_times_ms.set(worker_i, ms); |
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169 } |
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170 |
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171 void record_satb_filtering_time(uint worker_i, double ms) { |
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172 _last_satb_filtering_times_ms.set(worker_i, ms); |
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173 } |
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174 |
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175 void record_update_rs_time(uint worker_i, double ms) { |
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176 _last_update_rs_times_ms.set(worker_i, ms); |
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177 } |
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178 |
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179 void record_update_rs_processed_buffers(uint worker_i, int processed_buffers) { |
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180 _last_update_rs_processed_buffers.set(worker_i, processed_buffers); |
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181 } |
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182 |
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183 void record_scan_rs_time(uint worker_i, double ms) { |
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184 _last_scan_rs_times_ms.set(worker_i, ms); |
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185 } |
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186 |
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187 void record_obj_copy_time(uint worker_i, double ms) { |
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188 _last_obj_copy_times_ms.set(worker_i, ms); |
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189 } |
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190 |
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191 void add_obj_copy_time(uint worker_i, double ms) { |
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192 _last_obj_copy_times_ms.add(worker_i, ms); |
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193 } |
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194 |
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195 void record_termination(uint worker_i, double ms, size_t attempts) { |
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196 _last_termination_times_ms.set(worker_i, ms); |
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197 _last_termination_attempts.set(worker_i, attempts); |
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198 } |
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199 |
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200 void record_gc_worker_end_time(uint worker_i, double ms) { |
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201 _last_gc_worker_end_times_ms.set(worker_i, ms); |
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202 } |
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203 |
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204 void record_clear_ct_time(double ms) { |
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205 _cur_clear_ct_time_ms = ms; |
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206 } |
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207 |
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208 void record_par_time(double ms) { |
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209 _cur_collection_par_time_ms = ms; |
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210 } |
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211 |
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212 void record_code_root_fixup_time(double ms) { |
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213 _cur_collection_code_root_fixup_time_ms = ms; |
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214 } |
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215 |
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216 void record_ref_proc_time(double ms) { |
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217 _cur_ref_proc_time_ms = ms; |
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218 } |
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219 |
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220 void record_ref_enq_time(double ms) { |
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221 _cur_ref_enq_time_ms = ms; |
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222 } |
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223 |
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224 void record_root_region_scan_wait_time(double time_ms) { |
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225 _root_region_scan_wait_time_ms = time_ms; |
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226 } |
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227 |
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228 void record_cc_clear_time_ms(double ms); |
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229 |
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230 void record_young_free_cset_time_ms(double time_ms) { |
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231 _recorded_young_free_cset_time_ms = time_ms; |
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232 } |
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233 |
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234 void record_non_young_free_cset_time_ms(double time_ms) { |
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235 _recorded_non_young_free_cset_time_ms = time_ms; |
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236 } |
6628
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237 |
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238 void record_young_cset_choice_time_ms(double time_ms) { |
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239 _recorded_young_cset_choice_time_ms = time_ms; |
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240 } |
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241 |
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242 void record_non_young_cset_choice_time_ms(double time_ms) { |
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243 _recorded_non_young_cset_choice_time_ms = time_ms; |
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244 } |
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245 |
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246 void record_cur_collection_start_sec(double time_ms) { |
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247 _cur_collection_start_sec = time_ms; |
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248 } |
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249 |
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250 void record_verify_before_time_ms(double time_ms) { |
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251 _cur_verify_before_time_ms = time_ms; |
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252 } |
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253 |
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254 void record_verify_after_time_ms(double time_ms) { |
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255 _cur_verify_after_time_ms = time_ms; |
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256 } |
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257 |
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258 double accounted_time_ms(); |
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259 |
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260 double cur_collection_start_sec() { |
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261 return _cur_collection_start_sec; |
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262 } |
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263 |
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264 double cur_collection_par_time_ms() { |
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265 return _cur_collection_par_time_ms; |
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266 } |
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267 |
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268 double cur_clear_ct_time_ms() { |
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269 return _cur_clear_ct_time_ms; |
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270 } |
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271 |
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272 double root_region_scan_wait_time_ms() { |
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273 return _root_region_scan_wait_time_ms; |
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274 } |
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275 |
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276 double young_cset_choice_time_ms() { |
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277 return _recorded_young_cset_choice_time_ms; |
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278 } |
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279 |
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280 double young_free_cset_time_ms() { |
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281 return _recorded_young_free_cset_time_ms; |
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282 } |
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283 |
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284 double non_young_cset_choice_time_ms() { |
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285 return _recorded_non_young_cset_choice_time_ms; |
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286 } |
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287 |
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288 double non_young_free_cset_time_ms() { |
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289 return _recorded_non_young_free_cset_time_ms; |
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290 } |
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291 |
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292 double average_last_update_rs_time() { |
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293 return _last_update_rs_times_ms.average(); |
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294 } |
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295 |
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296 int sum_last_update_rs_processed_buffers() { |
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297 return _last_update_rs_processed_buffers.sum(); |
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298 } |
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299 |
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300 double average_last_scan_rs_time(){ |
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301 return _last_scan_rs_times_ms.average(); |
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302 } |
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303 |
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304 double average_last_obj_copy_time() { |
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305 return _last_obj_copy_times_ms.average(); |
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306 } |
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307 |
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308 double average_last_termination_time() { |
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309 return _last_termination_times_ms.average(); |
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310 } |
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311 |
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312 double average_last_ext_root_scan_time() { |
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313 return _last_ext_root_scan_times_ms.average(); |
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314 } |
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315 |
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316 double average_last_satb_filtering_times_ms() { |
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317 return _last_satb_filtering_times_ms.average(); |
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318 } |
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319 }; |
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320 |
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321 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP |