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comparison src/share/vm/services/threadService.hpp @ 875:6a93908f268f

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6857194: Add hotspot perf counters to aid class loading performance measurement Summary: Add new jvmstat counters to measure detailed class loading time Reviewed-by: acorn, kamg
author mchung
date Fri, 10 Jul 2009 11:10:00 -0700
parents ad8c8ca4ab0f
children 89e0543e1737
comparison
equal deleted inserted replaced
812:85d0690f7d12 875:6a93908f268f
118 // to update the statistics. 118 // to update the statistics.
119 bool _count_pending_reset; 119 bool _count_pending_reset;
120 bool _timer_pending_reset; 120 bool _timer_pending_reset;
121 121
122 // Keep accurate times for potentially recursive class operations 122 // Keep accurate times for potentially recursive class operations
123 int _class_init_recursion_count; 123 int _perf_recursion_counts[6];
124 int _class_verify_recursion_count; 124 elapsedTimer _perf_timers[6];
125 int _class_link_recursion_count;
126 125
127 // utility functions 126 // utility functions
128 void check_and_reset_count() { 127 void check_and_reset_count() {
129 if (!_count_pending_reset) return; 128 if (!_count_pending_reset) return;
130 _contended_enter_count = 0; 129 _contended_enter_count = 0;
163 void contended_enter_end() { _contended_enter_timer.stop(); check_and_reset_timer(); } 162 void contended_enter_end() { _contended_enter_timer.stop(); check_and_reset_timer(); }
164 163
165 void reset_count_stat() { _count_pending_reset = true; } 164 void reset_count_stat() { _count_pending_reset = true; }
166 void reset_time_stat() { _timer_pending_reset = true; } 165 void reset_time_stat() { _timer_pending_reset = true; }
167 166
168 int* class_init_recursion_count_addr() { return &_class_init_recursion_count; } 167 int* perf_recursion_counts_addr() { return _perf_recursion_counts; }
169 int* class_verify_recursion_count_addr() { return &_class_verify_recursion_count; } 168 elapsedTimer* perf_timers_addr() { return _perf_timers; }
170 int* class_link_recursion_count_addr() { return &_class_link_recursion_count; }
171 }; 169 };
172 170
173 // Thread snapshot to represent the thread state and statistics 171 // Thread snapshot to represent the thread state and statistics
174 class ThreadSnapshot : public CHeapObj { 172 class ThreadSnapshot : public CHeapObj {
175 private: 173 private: