Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp @ 8081:579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
Summary: A warning message should be displayed if these options are used with the Minimal VM.
Reviewed-by: dholmes, dsamersoff
author | jprovino |
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date | Tue, 05 Feb 2013 13:32:34 -0500 |
parents | 7df93f7c14a5 |
children | 194f52aa2f23 |
rev | line source |
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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 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. |
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41 // This is not done in an MT-safe way. It is intetened 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; |
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122 WorkerDataArray<double> _last_obj_copy_times_ms; |
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123 WorkerDataArray<double> _last_termination_times_ms; |
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124 WorkerDataArray<size_t> _last_termination_attempts; |
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125 WorkerDataArray<double> _last_gc_worker_end_times_ms; |
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126 WorkerDataArray<double> _last_gc_worker_times_ms; |
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127 WorkerDataArray<double> _last_gc_worker_other_times_ms; |
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128 |
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129 double _cur_collection_par_time_ms; |
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130 double _cur_collection_code_root_fixup_time_ms; |
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131 |
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132 double _cur_clear_ct_time_ms; |
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133 double _cur_ref_proc_time_ms; |
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134 double _cur_ref_enq_time_ms; |
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135 |
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136 // Card Table Count Cache stats |
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137 double _min_clear_cc_time_ms; // min |
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138 double _max_clear_cc_time_ms; // max |
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139 double _cur_clear_cc_time_ms; // clearing time during current pause |
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140 double _cum_clear_cc_time_ms; // cummulative clearing time |
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141 jlong _num_cc_clears; // number of times the card count cache has been cleared |
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142 |
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143 double _cur_collection_start_sec; |
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144 double _root_region_scan_wait_time_ms; |
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145 |
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146 double _recorded_young_cset_choice_time_ms; |
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147 double _recorded_non_young_cset_choice_time_ms; |
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148 |
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149 double _recorded_young_free_cset_time_ms; |
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150 double _recorded_non_young_free_cset_time_ms; |
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151 |
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152 double _cur_verify_before_time_ms; |
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153 double _cur_verify_after_time_ms; |
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154 |
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155 // Helper methods for detailed logging |
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156 void print_stats(int level, const char* str, double value); |
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157 void print_stats(int level, const char* str, double value, int workers); |
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158 |
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159 public: |
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160 G1GCPhaseTimes(uint max_gc_threads); |
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161 void note_gc_start(uint active_gc_threads); |
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162 void note_gc_end(); |
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163 void print(double pause_time_sec); |
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164 |
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165 void record_gc_worker_start_time(uint worker_i, double ms) { |
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166 _last_gc_worker_start_times_ms.set(worker_i, ms); |
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167 } |
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168 |
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169 void record_ext_root_scan_time(uint worker_i, double ms) { |
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170 _last_ext_root_scan_times_ms.set(worker_i, ms); |
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171 } |
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172 |
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173 void record_satb_filtering_time(uint worker_i, double ms) { |
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174 _last_satb_filtering_times_ms.set(worker_i, ms); |
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175 } |
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176 |
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177 void record_update_rs_time(uint worker_i, double ms) { |
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178 _last_update_rs_times_ms.set(worker_i, ms); |
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179 } |
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180 |
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181 void record_update_rs_processed_buffers(uint worker_i, int processed_buffers) { |
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182 _last_update_rs_processed_buffers.set(worker_i, processed_buffers); |
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183 } |
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184 |
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185 void record_scan_rs_time(uint worker_i, double ms) { |
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186 _last_scan_rs_times_ms.set(worker_i, ms); |
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187 } |
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188 |
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189 void record_obj_copy_time(uint worker_i, double ms) { |
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190 _last_obj_copy_times_ms.set(worker_i, ms); |
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191 } |
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192 |
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193 void add_obj_copy_time(uint worker_i, double ms) { |
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194 _last_obj_copy_times_ms.add(worker_i, ms); |
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195 } |
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196 |
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197 void record_termination(uint worker_i, double ms, size_t attempts) { |
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198 _last_termination_times_ms.set(worker_i, ms); |
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199 _last_termination_attempts.set(worker_i, attempts); |
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200 } |
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201 |
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202 void record_gc_worker_end_time(uint worker_i, double ms) { |
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203 _last_gc_worker_end_times_ms.set(worker_i, ms); |
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204 } |
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205 |
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206 void record_clear_ct_time(double ms) { |
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207 _cur_clear_ct_time_ms = ms; |
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208 } |
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209 |
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210 void record_par_time(double ms) { |
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211 _cur_collection_par_time_ms = ms; |
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212 } |
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213 |
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214 void record_code_root_fixup_time(double ms) { |
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215 _cur_collection_code_root_fixup_time_ms = ms; |
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216 } |
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217 |
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218 void record_ref_proc_time(double ms) { |
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219 _cur_ref_proc_time_ms = ms; |
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220 } |
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221 |
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222 void record_ref_enq_time(double ms) { |
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223 _cur_ref_enq_time_ms = ms; |
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224 } |
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225 |
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226 void record_root_region_scan_wait_time(double time_ms) { |
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227 _root_region_scan_wait_time_ms = time_ms; |
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228 } |
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229 |
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230 void record_cc_clear_time_ms(double ms); |
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231 |
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232 void record_young_free_cset_time_ms(double time_ms) { |
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233 _recorded_young_free_cset_time_ms = time_ms; |
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234 } |
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235 |
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236 void record_non_young_free_cset_time_ms(double time_ms) { |
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237 _recorded_non_young_free_cset_time_ms = time_ms; |
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238 } |
6628
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239 |
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240 void record_young_cset_choice_time_ms(double time_ms) { |
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241 _recorded_young_cset_choice_time_ms = time_ms; |
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242 } |
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243 |
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244 void record_non_young_cset_choice_time_ms(double time_ms) { |
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245 _recorded_non_young_cset_choice_time_ms = time_ms; |
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246 } |
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247 |
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248 void record_cur_collection_start_sec(double time_ms) { |
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249 _cur_collection_start_sec = time_ms; |
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250 } |
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251 |
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252 void record_verify_before_time_ms(double time_ms) { |
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253 _cur_verify_before_time_ms = time_ms; |
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254 } |
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255 |
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256 void record_verify_after_time_ms(double time_ms) { |
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257 _cur_verify_after_time_ms = time_ms; |
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258 } |
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259 |
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260 double accounted_time_ms(); |
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261 |
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262 double cur_collection_start_sec() { |
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263 return _cur_collection_start_sec; |
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264 } |
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265 |
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266 double cur_collection_par_time_ms() { |
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267 return _cur_collection_par_time_ms; |
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268 } |
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269 |
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270 double cur_clear_ct_time_ms() { |
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271 return _cur_clear_ct_time_ms; |
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272 } |
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273 |
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274 double root_region_scan_wait_time_ms() { |
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275 return _root_region_scan_wait_time_ms; |
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276 } |
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277 |
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278 double young_cset_choice_time_ms() { |
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279 return _recorded_young_cset_choice_time_ms; |
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280 } |
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281 |
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282 double young_free_cset_time_ms() { |
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283 return _recorded_young_free_cset_time_ms; |
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284 } |
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285 |
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286 double non_young_cset_choice_time_ms() { |
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287 return _recorded_non_young_cset_choice_time_ms; |
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288 } |
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289 |
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290 double non_young_free_cset_time_ms() { |
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291 return _recorded_non_young_free_cset_time_ms; |
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292 } |
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293 |
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294 double average_last_update_rs_time() { |
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295 return _last_update_rs_times_ms.average(); |
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296 } |
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297 |
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298 int sum_last_update_rs_processed_buffers() { |
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299 return _last_update_rs_processed_buffers.sum(); |
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300 } |
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301 |
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302 double average_last_scan_rs_time(){ |
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303 return _last_scan_rs_times_ms.average(); |
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304 } |
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305 |
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306 double average_last_obj_copy_time() { |
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307 return _last_obj_copy_times_ms.average(); |
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308 } |
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309 |
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310 double average_last_termination_time() { |
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311 return _last_termination_times_ms.average(); |
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312 } |
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313 |
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314 double average_last_ext_root_scan_time() { |
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315 return _last_ext_root_scan_times_ms.average(); |
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316 } |
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317 |
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318 double average_last_satb_filtering_times_ms() { |
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319 return _last_satb_filtering_times_ms.average(); |
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320 } |
6219
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321 }; |
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322 |
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323 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP |