Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp @ 12233:40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
Summary: Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation.
Reviewed-by: stefank, dholmes
author | tschatzl |
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date | Wed, 11 Sep 2013 16:25:02 +0200 |
parents | 5888334c9c24 |
children | 191174b49bec |
rev | line source |
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1 /* |
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2 * Copyright (c) 2013, 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 |
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135 double _cur_clear_ct_time_ms; |
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136 double _cur_ref_proc_time_ms; |
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137 double _cur_ref_enq_time_ms; |
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138 |
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139 double _cur_collection_start_sec; |
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140 double _root_region_scan_wait_time_ms; |
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141 |
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142 double _recorded_young_cset_choice_time_ms; |
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143 double _recorded_non_young_cset_choice_time_ms; |
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144 |
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145 double _recorded_young_free_cset_time_ms; |
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146 double _recorded_non_young_free_cset_time_ms; |
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147 |
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148 double _cur_verify_before_time_ms; |
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149 double _cur_verify_after_time_ms; |
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150 |
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151 // Helper methods for detailed logging |
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152 void print_stats(int level, const char* str, double value); |
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153 void print_stats(int level, const char* str, double value, int workers); |
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154 |
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155 public: |
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156 G1GCPhaseTimes(uint max_gc_threads); |
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157 void note_gc_start(uint active_gc_threads); |
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158 void note_gc_end(); |
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159 void print(double pause_time_sec); |
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160 |
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161 void record_gc_worker_start_time(uint worker_i, double ms) { |
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162 _last_gc_worker_start_times_ms.set(worker_i, ms); |
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163 } |
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164 |
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165 void record_ext_root_scan_time(uint worker_i, double ms) { |
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166 _last_ext_root_scan_times_ms.set(worker_i, ms); |
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167 } |
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168 |
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169 void record_satb_filtering_time(uint worker_i, double ms) { |
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170 _last_satb_filtering_times_ms.set(worker_i, ms); |
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171 } |
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172 |
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173 void record_update_rs_time(uint worker_i, double ms) { |
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174 _last_update_rs_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_processed_buffers(uint worker_i, int processed_buffers) { |
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178 _last_update_rs_processed_buffers.set(worker_i, processed_buffers); |
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179 } |
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180 |
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181 void record_scan_rs_time(uint worker_i, double ms) { |
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182 _last_scan_rs_times_ms.set(worker_i, ms); |
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183 } |
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184 |
12080 | 185 void record_strong_code_root_scan_time(uint worker_i, double ms) { |
186 _last_strong_code_root_scan_times_ms.set(worker_i, ms); | |
187 } | |
188 | |
189 void record_strong_code_root_mark_time(uint worker_i, double ms) { | |
190 _last_strong_code_root_mark_times_ms.set(worker_i, ms); | |
191 } | |
192 | |
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193 void record_obj_copy_time(uint worker_i, double ms) { |
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194 _last_obj_copy_times_ms.set(worker_i, ms); |
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195 } |
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196 |
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197 void add_obj_copy_time(uint worker_i, double ms) { |
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198 _last_obj_copy_times_ms.add(worker_i, ms); |
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199 } |
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200 |
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201 void record_termination(uint worker_i, double ms, size_t attempts) { |
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202 _last_termination_times_ms.set(worker_i, ms); |
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203 _last_termination_attempts.set(worker_i, attempts); |
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204 } |
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205 |
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206 void record_gc_worker_end_time(uint worker_i, double ms) { |
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207 _last_gc_worker_end_times_ms.set(worker_i, ms); |
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208 } |
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209 |
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210 void record_clear_ct_time(double ms) { |
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211 _cur_clear_ct_time_ms = ms; |
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212 } |
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213 |
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214 void record_par_time(double ms) { |
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215 _cur_collection_par_time_ms = ms; |
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216 } |
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217 |
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218 void record_code_root_fixup_time(double ms) { |
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219 _cur_collection_code_root_fixup_time_ms = ms; |
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220 } |
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221 |
12080 | 222 void record_strong_code_root_migration_time(double ms) { |
223 _cur_strong_code_root_migration_time_ms = ms; | |
224 } | |
225 | |
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226 void record_ref_proc_time(double ms) { |
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227 _cur_ref_proc_time_ms = ms; |
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228 } |
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229 |
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230 void record_ref_enq_time(double ms) { |
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231 _cur_ref_enq_time_ms = ms; |
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232 } |
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233 |
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234 void record_root_region_scan_wait_time(double time_ms) { |
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235 _root_region_scan_wait_time_ms = time_ms; |
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236 } |
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237 |
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238 void record_young_free_cset_time_ms(double time_ms) { |
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239 _recorded_young_free_cset_time_ms = time_ms; |
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240 } |
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241 |
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242 void record_non_young_free_cset_time_ms(double time_ms) { |
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243 _recorded_non_young_free_cset_time_ms = time_ms; |
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244 } |
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245 |
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246 void record_young_cset_choice_time_ms(double time_ms) { |
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247 _recorded_young_cset_choice_time_ms = time_ms; |
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248 } |
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249 |
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250 void record_non_young_cset_choice_time_ms(double time_ms) { |
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251 _recorded_non_young_cset_choice_time_ms = time_ms; |
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252 } |
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253 |
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254 void record_cur_collection_start_sec(double time_ms) { |
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255 _cur_collection_start_sec = time_ms; |
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256 } |
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257 |
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258 void record_verify_before_time_ms(double time_ms) { |
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259 _cur_verify_before_time_ms = time_ms; |
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260 } |
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261 |
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262 void record_verify_after_time_ms(double time_ms) { |
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263 _cur_verify_after_time_ms = time_ms; |
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264 } |
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265 |
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266 double accounted_time_ms(); |
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267 |
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268 double cur_collection_start_sec() { |
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269 return _cur_collection_start_sec; |
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270 } |
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271 |
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272 double cur_collection_par_time_ms() { |
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273 return _cur_collection_par_time_ms; |
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274 } |
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275 |
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276 double cur_clear_ct_time_ms() { |
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277 return _cur_clear_ct_time_ms; |
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278 } |
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279 |
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280 double root_region_scan_wait_time_ms() { |
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281 return _root_region_scan_wait_time_ms; |
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282 } |
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283 |
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284 double young_cset_choice_time_ms() { |
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285 return _recorded_young_cset_choice_time_ms; |
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286 } |
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287 |
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288 double young_free_cset_time_ms() { |
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289 return _recorded_young_free_cset_time_ms; |
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290 } |
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291 |
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292 double non_young_cset_choice_time_ms() { |
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293 return _recorded_non_young_cset_choice_time_ms; |
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294 } |
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295 |
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296 double non_young_free_cset_time_ms() { |
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297 return _recorded_non_young_free_cset_time_ms; |
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298 } |
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299 |
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300 double average_last_update_rs_time() { |
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301 return _last_update_rs_times_ms.average(); |
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302 } |
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303 |
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304 int sum_last_update_rs_processed_buffers() { |
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305 return _last_update_rs_processed_buffers.sum(); |
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306 } |
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307 |
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308 double average_last_scan_rs_time(){ |
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309 return _last_scan_rs_times_ms.average(); |
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310 } |
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311 |
12080 | 312 double average_last_strong_code_root_scan_time(){ |
313 return _last_strong_code_root_scan_times_ms.average(); | |
314 } | |
315 | |
316 double average_last_strong_code_root_mark_time(){ | |
317 return _last_strong_code_root_mark_times_ms.average(); | |
318 } | |
319 | |
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320 double average_last_obj_copy_time() { |
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321 return _last_obj_copy_times_ms.average(); |
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322 } |
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323 |
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324 double average_last_termination_time() { |
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325 return _last_termination_times_ms.average(); |
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326 } |
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327 |
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328 double average_last_ext_root_scan_time() { |
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329 return _last_ext_root_scan_times_ms.average(); |
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330 } |
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331 |
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332 double average_last_satb_filtering_times_ms() { |
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333 return _last_satb_filtering_times_ms.average(); |
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334 } |
6219
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335 }; |
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336 |
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337 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP |