| /kernel/linux/linux-5.10/kernel/trace/ |
| H A D | trace_benchmark.c | 42 u64 stddev; in trace_do_benchmark() local
83 * We should have enough data for the avg and stddev anyway. in trace_do_benchmark()
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()
114 * stddev is the square of standard deviation but 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()
[all...] |
| H A D | ftrace.c | 512 unsigned long long stddev; in function_stat_show() local
536 stddev = 0; in function_stat_show()
542 stddev = rec->counter * rec->time_squared - in function_stat_show()
549 stddev = div64_ul(stddev, in function_stat_show()
558 trace_print_graph_duration(stddev, &s); in function_stat_show()
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| /kernel/linux/linux-6.6/kernel/trace/ |
| H A D | trace_benchmark.c | 42 u64 stddev; in trace_do_benchmark() local
83 * We should have enough data for the avg and stddev anyway. in trace_do_benchmark()
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()
114 * stddev is the square of standard deviation but 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()
[all...] |
| H A D | ftrace.c | 540 unsigned long long stddev; in function_stat_show() local
564 stddev = 0; in function_stat_show()
570 stddev = rec->counter * rec->time_squared - in function_stat_show()
577 stddev = div64_ul(stddev, in function_stat_show()
586 trace_print_graph_duration(stddev, &s); in function_stat_show()
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| /kernel/linux/linux-5.10/tools/perf/bench/ |
| H A D | epoll-ctl.c | 282 double stddev[EPOLL_NR_OPS]; in print_summary() local
286 stddev[i] = stddev_stats(&all_stats[i]); in print_summary()
290 avg[OP_EPOLL_ADD], rel_stddev_stats(stddev[OP_EPOLL_ADD], in print_summary()
293 avg[OP_EPOLL_MOD], rel_stddev_stats(stddev[OP_EPOLL_MOD], in print_summary()
296 avg[OP_EPOLL_DEL], rel_stddev_stats(stddev[OP_EPOLL_DEL], in print_summary()
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| H A 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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| H A D | futex-lock-pi.c | 62 double stddev = stddev_stats(&throughput_stats); in print_summary() local
65 !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg), in print_summary()
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| H A D | epoll-wait.c | 285 double stddev = stddev_stats(&throughput_stats); in print_summary() local
288 avg, rel_stddev_stats(stddev, avg), in print_summary()
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| /kernel/linux/linux-6.6/tools/perf/bench/ |
| H A D | epoll-ctl.c | 295 double stddev[EPOLL_NR_OPS]; in print_summary() local
299 stddev[i] = stddev_stats(&all_stats[i]); in print_summary()
303 avg[OP_EPOLL_ADD], rel_stddev_stats(stddev[OP_EPOLL_ADD], in print_summary()
306 avg[OP_EPOLL_MOD], rel_stddev_stats(stddev[OP_EPOLL_MOD], in print_summary()
309 avg[OP_EPOLL_DEL], rel_stddev_stats(stddev[OP_EPOLL_DEL], in print_summary()
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| H A D | futex-hash.c | 116 double stddev = stddev_stats(&throughput_stats); in print_summary() local
119 !params.silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg), in print_summary()
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| H A D | futex-lock-pi.c | 65 double stddev = stddev_stats(&throughput_stats); in print_summary() local
68 !params.silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg), in print_summary()
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| H A D | epoll-wait.c | 285 double stddev = stddev_stats(&throughput_stats); in print_summary() local
288 avg, rel_stddev_stats(stddev, avg), in print_summary()
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| /kernel/linux/linux-6.6/tools/testing/selftests/bpf/ |
| H A D | bench.c | 96 gp_stat->stddev += (IT_MEAN_DIFF * IT_MEAN_DIFF) / (res_cnt - 1.0); in grace_period_latency_basic_stats()
98 gp_stat->stddev = sqrt(gp_stat->stddev); in grace_period_latency_basic_stats()
114 gp_stat->stddev += (IT_MEAN_DIFF * IT_MEAN_DIFF) / (res_cnt - 1.0); in grace_period_ticks_basic_stats()
116 gp_stat->stddev = sqrt(gp_stat->stddev); in grace_period_ticks_basic_stats()
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| H A D | bench.h | 37 double stddev; member
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| /kernel/linux/linux-6.6/tools/testing/selftests/bpf/benchs/ |
| H A D | bench_local_storage_rcu_tasks_trace.c | 230 printf("\tavg %.3lf us\tstddev %.3lf us\n", gp_stat.mean, gp_stat.stddev); in report_final()
233 printf("\tavg %.3lf\tstddev %.3lf\n", gp_stat.mean, gp_stat.stddev); in report_final()
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| /kernel/linux/linux-5.10/tools/perf/util/ |
| H A 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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| H A D | stat.h | 156 double rel_stddev_stats(double stddev, double avg);
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| /kernel/linux/linux-6.6/tools/perf/util/ |
| H A D | stat.h | 125 double rel_stddev_stats(double stddev, double avg);
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| H A D | stat.c | 70 double rel_stddev_stats(double stddev, double avg) in rel_stddev_stats() argument
75 pct = 100.0 * stddev/avg; in rel_stddev_stats()
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| /kernel/linux/linux-5.10/tools/perf/ |
| H A D | builtin-sched.c | 2679 float stddev; in print_thread_runtime() local
2686 stddev = rel_stddev_stats(stddev_stats(&r->run_stats), mean); in print_thread_runtime()
2693 printf("%5.2f", stddev); in print_thread_runtime()
2833 printf(" idle-time min-idle avg-idle max-idle stddev migrations\n"); in timehist_print_summary()
2841 printf(" run-time min-run avg-run max-run stddev migrations\n"); in timehist_print_summary()
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| /kernel/linux/linux-6.6/tools/perf/ |
| H A D | builtin-sched.c | 2736 float stddev; in print_thread_runtime() local
2743 stddev = rel_stddev_stats(stddev_stats(&r->run_stats), mean); in print_thread_runtime()
2750 printf("%5.2f", stddev); in print_thread_runtime()
2874 printf(" idle-time min-idle avg-idle max-idle stddev migrations\n"); in timehist_print_summary()
2882 printf(" run-time min-run avg-run max-run stddev migrations\n"); in timehist_print_summary()
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