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annotate src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp @ 6219:922993931b3d

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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
date Wed, 11 Jul 2012 22:47:38 +0200
parents
children bb3f6194fedb
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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
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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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 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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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 {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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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 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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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 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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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 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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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 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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208
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
209 double G1GCPhaseTimes::avg_value(double* data) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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210 if (G1CollectedHeap::use_parallel_gc_threads()) {
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diff changeset
211 double ret = 0.0;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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212 for (uint i = 0; i < _active_gc_threads; ++i) {
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213 ret += data[i];
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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214 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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215 return ret / (double) _active_gc_threads;
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diff changeset
216 } else {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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217 return data[0];
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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218 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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219 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
220
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
221 double G1GCPhaseTimes::max_value(double* data) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
222 if (G1CollectedHeap::use_parallel_gc_threads()) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
223 double ret = data[0];
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
224 for (uint i = 1; i < _active_gc_threads; ++i) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
225 if (data[i] > ret) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
226 ret = data[i];
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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227 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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228 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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229 return ret;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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230 } else {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
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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232 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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233 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
234
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
235 double G1GCPhaseTimes::sum_of_values(double* data) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
236 if (G1CollectedHeap::use_parallel_gc_threads()) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
237 double sum = 0.0;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
238 for (uint i = 0; i < _active_gc_threads; i++) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
239 sum += data[i];
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff changeset
240 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff changeset
241 return sum;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
242 } else {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff changeset
243 return data[0];
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
244 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
245 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
246
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
247 double G1GCPhaseTimes::max_sum(double* data1, double* data2) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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diff changeset
248 double ret = data1[0] + data2[0];
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diff changeset
249
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff changeset
250 if (G1CollectedHeap::use_parallel_gc_threads()) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
251 for (uint i = 1; i < _active_gc_threads; ++i) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
252 double data = data1[i] + data2[i];
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
253 if (data > ret) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
254 ret = data;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
255 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
256 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
257 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
258 return ret;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
259 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
260
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
261 void G1GCPhaseTimes::collapse_par_times() {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
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diff changeset
262 _ext_root_scan_time = avg_value(_par_last_ext_root_scan_times_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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parents:
diff changeset
263 _satb_filtering_time = avg_value(_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 changeset
264 _update_rs_time = avg_value(_par_last_update_rs_times_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
265 _update_rs_processed_buffers =
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
266 sum_of_values(_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 changeset
267 _scan_rs_time = avg_value(_par_last_scan_rs_times_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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parents:
diff changeset
268 _obj_copy_time = avg_value(_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 changeset
269 _termination_time = avg_value(_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 changeset
270 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
271
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
272 double G1GCPhaseTimes::accounted_time_ms() {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
273 // Subtract the root region scanning wait time. It's initialized to
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
274 // zero at the start of the pause.
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
275 double misc_time_ms = _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 changeset
276
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
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
brutisso
parents:
diff changeset
278
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
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
brutisso
parents:
diff changeset
280 misc_time_ms += _cur_collection_code_root_fixup_time_ms;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
281
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
282 // Subtract the time taken to clean the card table from the
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
283 // current value of "other time"
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
284 misc_time_ms += _cur_clear_ct_time_ms;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
285
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
286 return misc_time_ms;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
287 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
288
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
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
brutisso
parents:
diff changeset
290
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
291 if (PrintGCTimeStamps) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
292 gclog_or_tty->stamp();
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
293 gclog_or_tty->print(": ");
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
294 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
295
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
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
brutisso
parents:
diff changeset
297 .append(_is_young_gc ? " (young)" : " (mixed)")
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
298 .append(_is_initial_mark_gc ? " (initial-mark)" : "");
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
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
parents:
diff changeset
300
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
301 if (!G1Log::finer()) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
302 return;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
303 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
304
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
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
parents:
diff changeset
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 changeset
307 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
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
parents:
diff changeset
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
parents:
diff changeset
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 changeset
311 print_par_stats(2, "Ext Root Scanning", _par_last_ext_root_scan_times_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
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
parents:
diff changeset
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 changeset
314 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
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
parents:
diff changeset
316 if (G1Log::finest()) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
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 changeset
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 changeset
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 changeset
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 changeset
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 changeset
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 changeset
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 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
333 print_stats(1, "SATB Filtering", _satb_filtering_time);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
334 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
335 print_stats(1, "Update RS", _update_rs_time);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
336 if (G1Log::finest()) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
337 print_stats(2, "Processed Buffers", (int)_update_rs_processed_buffers);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
338 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
339 print_stats(1, "Scan RS", _scan_rs_time);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
340 print_stats(1, "Object Copying", _obj_copy_time);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
341 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
342 print_stats(1, "Code Root Fixup", _cur_collection_code_root_fixup_time_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
343 print_stats(1, "Clear CT", _cur_clear_ct_time_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
344 if (Verbose && G1Log::finest()) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
345 print_stats(1, "Cur Clear CC", _cur_clear_cc_time_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
346 print_stats(1, "Cum Clear CC", _cum_clear_cc_time_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
347 print_stats(1, "Min Clear CC", _min_clear_cc_time_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
348 print_stats(1, "Max Clear CC", _max_clear_cc_time_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
349 if (_num_cc_clears > 0) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
350 print_stats(1, "Avg Clear CC", _cum_clear_cc_time_ms / ((double)_num_cc_clears));
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
351 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
352 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
353 double misc_time_ms = pause_time_ms - accounted_time_ms();
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
354 print_stats(1, "Other", misc_time_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
355 print_stats(2, "Choose CSet",
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
356 (_recorded_young_cset_choice_time_ms +
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
357 _recorded_non_young_cset_choice_time_ms));
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
358 print_stats(2, "Ref Proc", _cur_ref_proc_time_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
359 print_stats(2, "Ref Enq", _cur_ref_enq_time_ms);
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
360 print_stats(2, "Free CSet",
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
361 (_recorded_young_free_cset_time_ms +
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
362 _recorded_non_young_free_cset_time_ms));
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
363 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
364
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
365 void G1GCPhaseTimes::record_cc_clear_time_ms(double ms) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
366 if (!(Verbose && G1Log::finest())) {
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
367 return;
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
368 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
369
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
brutisso
parents:
diff changeset
370 if (_min_clear_cc_time_ms < 0.0 || ms <= _min_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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371 _min_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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372 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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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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parents:
diff changeset
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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375 }
922993931b3d 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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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 7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
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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 }