Searched refs:stddev (Results 1 – 12 of 12) sorted by relevance
| /Linux-v5.4/kernel/trace/ |
| D | trace_benchmark.c | 42 u64 stddev; in trace_do_benchmark() local
101 stddev = (u64)bm_cnt * bm_totalsq - bm_total * bm_total; in trace_do_benchmark()
102 do_div(stddev, (u32)bm_cnt); in trace_do_benchmark()
103 do_div(stddev, (u32)bm_cnt - 1); in trace_do_benchmark()
105 stddev = 0; in trace_do_benchmark()
111 if (stddev > 0) { in trace_do_benchmark()
127 seed = stddev; in trace_do_benchmark()
140 bm_last, bm_first, bm_max, bm_min, avg, std, stddev); in trace_do_benchmark()
144 bm_stddev = stddev; in trace_do_benchmark()
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| D | ftrace.c | 516 unsigned long long stddev; in function_stat_show() local
541 stddev = 0; in function_stat_show()
547 stddev = rec->counter * rec->time_squared - in function_stat_show()
554 do_div(stddev, rec->counter * (rec->counter - 1) * 1000); in function_stat_show()
562 trace_print_graph_duration(stddev, &s); in function_stat_show()
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| /Linux-v5.4/tools/perf/bench/ |
| D | epoll-ctl.c | 283 double stddev[EPOLL_NR_OPS]; in print_summary() local
287 stddev[i] = stddev_stats(&all_stats[i]); in print_summary()
291 avg[OP_EPOLL_ADD], rel_stddev_stats(stddev[OP_EPOLL_ADD], in print_summary()
294 avg[OP_EPOLL_MOD], rel_stddev_stats(stddev[OP_EPOLL_MOD], in print_summary()
297 avg[OP_EPOLL_DEL], rel_stddev_stats(stddev[OP_EPOLL_DEL], in print_summary()
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| D | futex-hash.c | 113 double stddev = stddev_stats(&throughput_stats); in print_summary() local
116 !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg), in print_summary()
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| D | futex-lock-pi.c | 63 double stddev = stddev_stats(&throughput_stats); in print_summary() local
66 !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg), in print_summary()
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| D | epoll-wait.c | 286 double stddev = stddev_stats(&throughput_stats); in print_summary() local
289 avg, rel_stddev_stats(stddev, avg), in print_summary()
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| /Linux-v5.4/tools/perf/Documentation/ |
| D | perf-sched.txt | 124 run times (in sec) and relative stddev.
129 max, and average run times (in sec) and relative stddev.
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| D | perf-trace.txt | 137 (in msec) and relative stddev.
142 average times (in msec) and relative stddev.
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| D | perf-stat.txt | 92 repeat command and print average + stddev (max: 100). 0 means forever.
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| /Linux-v5.4/tools/perf/util/ |
| D | stat.c | 68 double rel_stddev_stats(double stddev, double avg) in rel_stddev_stats() argument
73 pct = 100.0 * stddev/avg; in rel_stddev_stats()
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| D | stat.h | 134 double rel_stddev_stats(double stddev, double avg);
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| /Linux-v5.4/tools/perf/ |
| D | builtin-sched.c | 2662 float stddev; in print_thread_runtime() local
2669 stddev = rel_stddev_stats(stddev_stats(&r->run_stats), mean); in print_thread_runtime()
2676 printf("%5.2f", stddev); in print_thread_runtime()
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