Mercurial > hg > truffle

comparison src/share/vm/runtime/safepoint.cpp @ 1003:528d98fe1037

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6880029: JDK 1.6.0_u14p Application crashed very early Reviewed-by: never, ysr, acorn
author xlu
date Thu, 24 Sep 2009 12:10:46 -0700
parents 87770dcf831b
children 4b0f2f4918ed
comparison
equal deleted inserted replaced
979:87770dcf831b 1003:528d98fe1037
78 78
79 // Save the starting time, so that it can be compared to see if this has taken 79 // Save the starting time, so that it can be compared to see if this has taken
80 // too long to complete. 80 // too long to complete.
81 jlong safepoint_limit_time; 81 jlong safepoint_limit_time;
82 timeout_error_printed = false; 82 timeout_error_printed = false;
83
84 // PrintSafepointStatisticsTimeout can be specified separately. When
85 // specified, PrintSafepointStatistics will be set to true in
86 // deferred_initialize_stat method. The initialization has to be done
87 // early enough to avoid any races. See bug 6880029 for details.
88 if (PrintSafepointStatistics || PrintSafepointStatisticsTimeout > 0) {
89 deferred_initialize_stat();
90 }
83 91
84 // Begin the process of bringing the system to a safepoint. 92 // Begin the process of bringing the system to a safepoint.
85 // Java threads can be in several different states and are 93 // Java threads can be in several different states and are
86 // stopped by different mechanisms: 94 // stopped by different mechanisms:
87 // 95 //
167 } 175 }
168 if (TraceSafepoint && Verbose) cur_state->print(); 176 if (TraceSafepoint && Verbose) cur_state->print();
169 } 177 }
170 } 178 }
171 179
172 if ( (PrintSafepointStatistics || (PrintSafepointStatisticsTimeout > 0)) 180 if (PrintSafepointStatistics && iterations == 0) {
173 && iterations == 0) {
174 begin_statistics(nof_threads, still_running); 181 begin_statistics(nof_threads, still_running);
175 } 182 }
176 183
177 if (still_running > 0) { 184 if (still_running > 0) {
178 // Check for if it takes to long 185 // Check for if it takes to long
1024 1031
1025 init_done = true; 1032 init_done = true;
1026 } 1033 }
1027 1034
1028 void SafepointSynchronize::begin_statistics(int nof_threads, int nof_running) { 1035 void SafepointSynchronize::begin_statistics(int nof_threads, int nof_running) {
1029 deferred_initialize_stat(); 1036 assert(init_done, "safepoint statistics array hasn't been initialized");
1030
1031 SafepointStats *spstat = &_safepoint_stats[_cur_stat_index]; 1037 SafepointStats *spstat = &_safepoint_stats[_cur_stat_index];
1032 1038
1033 VM_Operation *op = VMThread::vm_operation(); 1039 VM_Operation *op = VMThread::vm_operation();
1034 spstat->_vmop_type = (op != NULL ? op->type() : -1); 1040 spstat->_vmop_type = (op != NULL ? op->type() : -1);
1035 if (op != NULL) { 1041 if (op != NULL) {