Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp @ 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 | bb3f6194fedb |
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 |
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26 #include "precompiled.hpp" |
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27 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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28 #include "gc_implementation/g1/g1GCPhaseTimes.hpp" |
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29 #include "gc_implementation/g1/g1Log.hpp" |
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30 |
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31 // Helper class for avoiding interleaved logging |
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32 class LineBuffer: public StackObj { |
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33 |
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34 private: |
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35 static const int BUFFER_LEN = 1024; |
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36 static const int INDENT_CHARS = 3; |
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37 char _buffer[BUFFER_LEN]; |
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38 int _indent_level; |
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39 int _cur; |
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40 |
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41 void vappend(const char* format, va_list ap) { |
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42 int res = vsnprintf(&_buffer[_cur], BUFFER_LEN - _cur, format, ap); |
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43 if (res != -1) { |
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44 _cur += res; |
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45 } else { |
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46 DEBUG_ONLY(warning("buffer too small in LineBuffer");) |
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47 _buffer[BUFFER_LEN -1] = 0; |
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48 _cur = BUFFER_LEN; // vsnprintf above should not add to _buffer if we are called again |
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49 } |
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50 } |
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51 |
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52 public: |
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53 explicit LineBuffer(int indent_level): _indent_level(indent_level), _cur(0) { |
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54 for (; (_cur < BUFFER_LEN && _cur < (_indent_level * INDENT_CHARS)); _cur++) { |
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55 _buffer[_cur] = ' '; |
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56 } |
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57 } |
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58 |
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59 #ifndef PRODUCT |
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60 ~LineBuffer() { |
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61 assert(_cur == _indent_level * INDENT_CHARS, "pending data in buffer - append_and_print_cr() not called?"); |
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62 } |
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63 #endif |
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64 |
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65 void append(const char* format, ...) { |
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66 va_list ap; |
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67 va_start(ap, format); |
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68 vappend(format, ap); |
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69 va_end(ap); |
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70 } |
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71 |
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72 void append_and_print_cr(const char* format, ...) { |
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73 va_list ap; |
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74 va_start(ap, format); |
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75 vappend(format, ap); |
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76 va_end(ap); |
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77 gclog_or_tty->print_cr("%s", _buffer); |
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78 _cur = _indent_level * INDENT_CHARS; |
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79 } |
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80 }; |
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81 |
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82 G1GCPhaseTimes::G1GCPhaseTimes(uint max_gc_threads) : |
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83 _max_gc_threads(max_gc_threads), |
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84 _min_clear_cc_time_ms(-1.0), |
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85 _max_clear_cc_time_ms(-1.0), |
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86 _cur_clear_cc_time_ms(0.0), |
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87 _cum_clear_cc_time_ms(0.0), |
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88 _num_cc_clears(0L) |
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89 { |
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90 assert(max_gc_threads > 0, "Must have some GC threads"); |
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91 _par_last_gc_worker_start_times_ms = new double[_max_gc_threads]; |
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92 _par_last_ext_root_scan_times_ms = new double[_max_gc_threads]; |
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93 _par_last_satb_filtering_times_ms = new double[_max_gc_threads]; |
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94 _par_last_update_rs_times_ms = new double[_max_gc_threads]; |
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95 _par_last_update_rs_processed_buffers = new double[_max_gc_threads]; |
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96 _par_last_scan_rs_times_ms = new double[_max_gc_threads]; |
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97 _par_last_obj_copy_times_ms = new double[_max_gc_threads]; |
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98 _par_last_termination_times_ms = new double[_max_gc_threads]; |
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99 _par_last_termination_attempts = new double[_max_gc_threads]; |
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100 _par_last_gc_worker_end_times_ms = new double[_max_gc_threads]; |
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101 _par_last_gc_worker_times_ms = new double[_max_gc_threads]; |
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102 _par_last_gc_worker_other_times_ms = new double[_max_gc_threads]; |
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103 } |
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104 |
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105 void G1GCPhaseTimes::note_gc_start(double pause_start_time_sec, uint active_gc_threads, |
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106 bool is_young_gc, bool is_initial_mark_gc, GCCause::Cause gc_cause) { |
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107 assert(active_gc_threads > 0, "The number of threads must be > 0"); |
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108 assert(active_gc_threads <= _max_gc_threads, "The number of active threads must be <= the max nubmer of threads"); |
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109 _active_gc_threads = active_gc_threads; |
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110 _pause_start_time_sec = pause_start_time_sec; |
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111 _is_young_gc = is_young_gc; |
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112 _is_initial_mark_gc = is_initial_mark_gc; |
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113 _gc_cause = gc_cause; |
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114 |
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115 #ifdef ASSERT |
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116 // initialise the timing data to something well known so that we can spot |
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117 // if something is not set properly |
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118 |
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119 for (uint i = 0; i < _max_gc_threads; ++i) { |
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120 _par_last_gc_worker_start_times_ms[i] = -1234.0; |
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121 _par_last_ext_root_scan_times_ms[i] = -1234.0; |
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122 _par_last_satb_filtering_times_ms[i] = -1234.0; |
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123 _par_last_update_rs_times_ms[i] = -1234.0; |
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124 _par_last_update_rs_processed_buffers[i] = -1234.0; |
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125 _par_last_scan_rs_times_ms[i] = -1234.0; |
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126 _par_last_obj_copy_times_ms[i] = -1234.0; |
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127 _par_last_termination_times_ms[i] = -1234.0; |
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128 _par_last_termination_attempts[i] = -1234.0; |
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129 _par_last_gc_worker_end_times_ms[i] = -1234.0; |
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130 _par_last_gc_worker_times_ms[i] = -1234.0; |
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131 _par_last_gc_worker_other_times_ms[i] = -1234.0; |
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132 } |
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133 #endif |
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134 } |
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135 |
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136 void G1GCPhaseTimes::note_gc_end(double pause_end_time_sec) { |
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137 if (G1Log::fine()) { |
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138 double pause_time_ms = (pause_end_time_sec - _pause_start_time_sec) * MILLIUNITS; |
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139 |
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140 for (uint i = 0; i < _active_gc_threads; i++) { |
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141 _par_last_gc_worker_times_ms[i] = _par_last_gc_worker_end_times_ms[i] - |
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142 _par_last_gc_worker_start_times_ms[i]; |
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143 |
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144 double worker_known_time = _par_last_ext_root_scan_times_ms[i] + |
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145 _par_last_satb_filtering_times_ms[i] + |
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146 _par_last_update_rs_times_ms[i] + |
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147 _par_last_scan_rs_times_ms[i] + |
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148 _par_last_obj_copy_times_ms[i] + |
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149 _par_last_termination_times_ms[i]; |
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150 |
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151 _par_last_gc_worker_other_times_ms[i] = _par_last_gc_worker_times_ms[i] - |
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152 worker_known_time; |
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153 } |
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154 |
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155 print(pause_time_ms); |
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156 } |
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157 |
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158 } |
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159 |
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160 void G1GCPhaseTimes::print_par_stats(int level, |
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161 const char* str, |
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162 double* data, |
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163 bool showDecimals) { |
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164 double min = data[0], max = data[0]; |
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165 double total = 0.0; |
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166 LineBuffer buf(level); |
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167 buf.append("[%s (ms):", str); |
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168 for (uint i = 0; i < _active_gc_threads; ++i) { |
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169 double val = data[i]; |
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170 if (val < min) |
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171 min = val; |
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172 if (val > max) |
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173 max = val; |
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174 total += val; |
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175 if (G1Log::finest()) { |
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176 if (showDecimals) { |
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177 buf.append(" %.1lf", val); |
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178 } else { |
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179 buf.append(" %d", (int)val); |
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180 } |
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181 } |
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182 } |
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183 |
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184 if (G1Log::finest()) { |
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185 buf.append_and_print_cr(""); |
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186 } |
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187 double avg = total / (double) _active_gc_threads; |
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188 if (showDecimals) { |
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189 buf.append_and_print_cr(" Min: %.1lf, Avg: %.1lf, Max: %.1lf, Diff: %.1lf, Sum: %.1lf]", |
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190 min, avg, max, max - min, total); |
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191 } else { |
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192 buf.append_and_print_cr(" Min: %d, Avg: %d, Max: %d, Diff: %d, Sum: %d]", |
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193 (int)min, (int)avg, (int)max, (int)max - (int)min, (int)total); |
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194 } |
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195 } |
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196 |
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197 void G1GCPhaseTimes::print_stats(int level, const char* str, double value) { |
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198 LineBuffer(level).append_and_print_cr("[%s: %.1lf ms]", str, value); |
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199 } |
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200 |
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201 void G1GCPhaseTimes::print_stats(int level, const char* str, double value, int workers) { |
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202 LineBuffer(level).append_and_print_cr("[%s: %.1lf ms, GC Workers: %d]", str, value, workers); |
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203 } |
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204 |
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205 void G1GCPhaseTimes::print_stats(int level, const char* str, int value) { |
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206 LineBuffer(level).append_and_print_cr("[%s: %d]", str, value); |
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207 } |
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208 |
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209 double G1GCPhaseTimes::avg_value(double* data) { |
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210 if (G1CollectedHeap::use_parallel_gc_threads()) { |
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211 double ret = 0.0; |
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212 for (uint i = 0; i < _active_gc_threads; ++i) { |
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213 ret += data[i]; |
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214 } |
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215 return ret / (double) _active_gc_threads; |
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216 } else { |
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217 return data[0]; |
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218 } |
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219 } |
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220 |
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221 double G1GCPhaseTimes::max_value(double* data) { |
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222 if (G1CollectedHeap::use_parallel_gc_threads()) { |
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223 double ret = data[0]; |
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224 for (uint i = 1; i < _active_gc_threads; ++i) { |
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225 if (data[i] > ret) { |
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226 ret = data[i]; |
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|
227 } |
922993931b3d
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diff
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|
228 } |
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|
229 return ret; |
922993931b3d
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230 } else { |
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231 return data[0]; |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff
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|
232 } |
922993931b3d
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diff
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|
233 } |
922993931b3d
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diff
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|
234 |
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235 double G1GCPhaseTimes::sum_of_values(double* data) { |
922993931b3d
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236 if (G1CollectedHeap::use_parallel_gc_threads()) { |
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237 double sum = 0.0; |
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238 for (uint i = 0; i < _active_gc_threads; i++) { |
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239 sum += data[i]; |
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240 } |
922993931b3d
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241 return sum; |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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242 } else { |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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243 return data[0]; |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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244 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
245 } |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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246 |
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247 double G1GCPhaseTimes::max_sum(double* data1, double* data2) { |
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248 double ret = data1[0] + data2[0]; |
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249 |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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250 if (G1CollectedHeap::use_parallel_gc_threads()) { |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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251 for (uint i = 1; i < _active_gc_threads; ++i) { |
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252 double data = data1[i] + data2[i]; |
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253 if (data > ret) { |
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254 ret = data; |
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|
255 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
256 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
257 } |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
258 return ret; |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff
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|
259 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
260 |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
261 void G1GCPhaseTimes::collapse_par_times() { |
922993931b3d
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262 _ext_root_scan_time = avg_value(_par_last_ext_root_scan_times_ms); |
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263 _satb_filtering_time = avg_value(_par_last_satb_filtering_times_ms); |
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264 _update_rs_time = avg_value(_par_last_update_rs_times_ms); |
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265 _update_rs_processed_buffers = |
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266 sum_of_values(_par_last_update_rs_processed_buffers); |
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267 _scan_rs_time = avg_value(_par_last_scan_rs_times_ms); |
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268 _obj_copy_time = avg_value(_par_last_obj_copy_times_ms); |
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269 _termination_time = avg_value(_par_last_termination_times_ms); |
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|
270 } |
922993931b3d
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|
271 |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
272 double G1GCPhaseTimes::accounted_time_ms() { |
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273 // Subtract the root region scanning wait time. It's initialized to |
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|
274 // zero at the start of the pause. |
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275 double misc_time_ms = _root_region_scan_wait_time_ms; |
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276 |
922993931b3d
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277 misc_time_ms += _cur_collection_par_time_ms; |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
278 |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
279 // Now subtract the time taken to fix up roots in generated code |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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280 misc_time_ms += _cur_collection_code_root_fixup_time_ms; |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
281 |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
282 // Subtract the time taken to clean the card table from the |
922993931b3d
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|
283 // current value of "other time" |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
284 misc_time_ms += _cur_clear_ct_time_ms; |
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|
285 |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
286 return misc_time_ms; |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
287 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff
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|
288 |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff
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|
289 void G1GCPhaseTimes::print(double pause_time_ms) { |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
290 |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
291 if (PrintGCTimeStamps) { |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
292 gclog_or_tty->stamp(); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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293 gclog_or_tty->print(": "); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff
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|
294 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
295 |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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|
296 GCCauseString gc_cause_str = GCCauseString("GC pause", _gc_cause) |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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297 .append(_is_young_gc ? " (young)" : " (mixed)") |
922993931b3d
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298 .append(_is_initial_mark_gc ? " (initial-mark)" : ""); |
922993931b3d
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299 gclog_or_tty->print_cr("[%s, %3.7f secs]", (const char*)gc_cause_str, pause_time_ms / 1000.0); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
300 |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
301 if (!G1Log::finer()) { |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
302 return; |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
303 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
304 |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
305 if (_root_region_scan_wait_time_ms > 0.0) { |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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|
306 print_stats(1, "Root Region Scan Waiting", _root_region_scan_wait_time_ms); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
307 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
308 if (G1CollectedHeap::use_parallel_gc_threads()) { |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
309 print_stats(1, "Parallel Time", _cur_collection_par_time_ms, _active_gc_threads); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
310 print_par_stats(2, "GC Worker Start", _par_last_gc_worker_start_times_ms); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
311 print_par_stats(2, "Ext Root Scanning", _par_last_ext_root_scan_times_ms); |
922993931b3d
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brutisso
parents:
diff
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|
312 if (_satb_filtering_time > 0.0) { |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
313 print_par_stats(2, "SATB Filtering", _par_last_satb_filtering_times_ms); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
314 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
315 print_par_stats(2, "Update RS", _par_last_update_rs_times_ms); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff
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|
316 if (G1Log::finest()) { |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
317 print_par_stats(3, "Processed Buffers", _par_last_update_rs_processed_buffers, |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
318 false /* showDecimals */); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
changeset
|
319 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
320 print_par_stats(2, "Scan RS", _par_last_scan_rs_times_ms); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
321 print_par_stats(2, "Object Copy", _par_last_obj_copy_times_ms); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
322 print_par_stats(2, "Termination", _par_last_termination_times_ms); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
323 if (G1Log::finest()) { |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
changeset
|
324 print_par_stats(3, "Termination Attempts", _par_last_termination_attempts, |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
changeset
|
325 false /* showDecimals */); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
changeset
|
326 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
changeset
|
327 print_par_stats(2, "GC Worker Other", _par_last_gc_worker_other_times_ms); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
changeset
|
328 print_par_stats(2, "GC Worker Total", _par_last_gc_worker_times_ms); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
changeset
|
329 print_par_stats(2, "GC Worker End", _par_last_gc_worker_end_times_ms); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
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|
330 } else { |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
changeset
|
331 print_stats(1, "Ext Root Scanning", _ext_root_scan_time); |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff
changeset
|
332 if (_satb_filtering_time > 0.0) { |
922993931b3d
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333 print_stats(1, "SATB Filtering", _satb_filtering_time); |
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334 } |
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335 print_stats(1, "Update RS", _update_rs_time); |
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336 if (G1Log::finest()) { |
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337 print_stats(2, "Processed Buffers", (int)_update_rs_processed_buffers); |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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338 } |
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339 print_stats(1, "Scan RS", _scan_rs_time); |
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340 print_stats(1, "Object Copying", _obj_copy_time); |
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341 } |
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342 print_stats(1, "Code Root Fixup", _cur_collection_code_root_fixup_time_ms); |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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343 print_stats(1, "Clear CT", _cur_clear_ct_time_ms); |
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344 if (Verbose && G1Log::finest()) { |
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345 print_stats(1, "Cur Clear CC", _cur_clear_cc_time_ms); |
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346 print_stats(1, "Cum Clear CC", _cum_clear_cc_time_ms); |
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347 print_stats(1, "Min Clear CC", _min_clear_cc_time_ms); |
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348 print_stats(1, "Max Clear CC", _max_clear_cc_time_ms); |
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349 if (_num_cc_clears > 0) { |
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350 print_stats(1, "Avg Clear CC", _cum_clear_cc_time_ms / ((double)_num_cc_clears)); |
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351 } |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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352 } |
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353 double misc_time_ms = pause_time_ms - accounted_time_ms(); |
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354 print_stats(1, "Other", misc_time_ms); |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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355 print_stats(2, "Choose CSet", |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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356 (_recorded_young_cset_choice_time_ms + |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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357 _recorded_non_young_cset_choice_time_ms)); |
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358 print_stats(2, "Ref Proc", _cur_ref_proc_time_ms); |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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359 print_stats(2, "Ref Enq", _cur_ref_enq_time_ms); |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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360 print_stats(2, "Free CSet", |
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361 (_recorded_young_free_cset_time_ms + |
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362 _recorded_non_young_free_cset_time_ms)); |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff
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|
363 } |
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|
364 |
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365 void G1GCPhaseTimes::record_cc_clear_time_ms(double ms) { |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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366 if (!(Verbose && G1Log::finest())) { |
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|
367 return; |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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parents:
diff
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|
368 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff
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|
369 |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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parents:
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370 if (_min_clear_cc_time_ms < 0.0 || ms <= _min_clear_cc_time_ms) { |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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371 _min_clear_cc_time_ms = ms; |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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parents:
diff
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372 } |
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7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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parents:
diff
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373 if (_max_clear_cc_time_ms < 0.0 || ms >= _max_clear_cc_time_ms) { |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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374 _max_clear_cc_time_ms = ms; |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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parents:
diff
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|
375 } |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff
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|
376 _cur_clear_cc_time_ms = ms; |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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377 _cum_clear_cc_time_ms += ms; |
922993931b3d
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378 _num_cc_clears++; |
922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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379 } |