| /linux-master/kernel/trace/ |
| H A D | trace_benchmark.c | 42 u64 stddev; local
83 * We should have enough data for the avg and stddev anyway.
100 stddev = (u64)bm_cnt * bm_totalsq - bm_total * bm_total;
101 do_div(stddev, (u32)bm_cnt);
102 do_div(stddev, (u32)bm_cnt - 1);
104 stddev = 0;
110 if (stddev > 0) {
113 * stddev is the square of standard deviation but
126 seed = stddev;
139 bm_last, bm_first, bm_max, bm_min, avg, std, stddev);
[all...] |
| H A D | ftrace.c | 540 unsigned long long stddev; local
564 stddev = 0;
570 stddev = rec->counter * rec->time_squared -
577 stddev = div64_ul(stddev,
586 trace_print_graph_duration(stddev, &s);
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| /linux-master/fs/bcachefs/ |
| H A D | mean_and_variance_test.c | 96 s64 *stddev,
118 KUNIT_EXPECT_EQ(test, mean_and_variance_get_stddev(mv), stddev[i]);
131 s64 stddev[] = { 32, 29, 28, 27, 26, 25, 24 }; local
136 d, mean, stddev, weighted_mean, weighted_stddev);
144 s64 stddev[] = { 32, 39, 42, 44, 45 }; local
149 d, mean, stddev, weighted_mean, weighted_stddev);
89 do_mean_and_variance_test(struct kunit *test, s64 initial_value, s64 initial_n, s64 n, unsigned weight, s64 *data, s64 *mean, s64 *stddev, s64 *weighted_mean, s64 *weighted_stddev) argument
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| /linux-master/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);
233 printf("\tavg %.3lf\tstddev %.3lf\n", gp_stat.mean, gp_stat.stddev);
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| /linux-master/tools/testing/selftests/bpf/ |
| H A D | bench.h | 37 double stddev; member in struct:basic_stats
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| H A D | bench.c | 96 gp_stat->stddev += (IT_MEAN_DIFF * IT_MEAN_DIFF) / (res_cnt - 1.0);
98 gp_stat->stddev = sqrt(gp_stat->stddev);
114 gp_stat->stddev += (IT_MEAN_DIFF * IT_MEAN_DIFF) / (res_cnt - 1.0);
116 gp_stat->stddev = sqrt(gp_stat->stddev);
|
| /linux-master/tools/perf/bench/ |
| H A D | epoll-ctl.c | 295 double stddev[EPOLL_NR_OPS]; local
299 stddev[i] = stddev_stats(&all_stats[i]);
303 avg[OP_EPOLL_ADD], rel_stddev_stats(stddev[OP_EPOLL_ADD],
306 avg[OP_EPOLL_MOD], rel_stddev_stats(stddev[OP_EPOLL_MOD],
309 avg[OP_EPOLL_DEL], rel_stddev_stats(stddev[OP_EPOLL_DEL],
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| H A D | futex-hash.c | 116 double stddev = stddev_stats(&throughput_stats); local
119 !params.silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg),
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| H A D | futex-lock-pi.c | 65 double stddev = stddev_stats(&throughput_stats); local
68 !params.silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg),
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| H A D | epoll-wait.c | 285 double stddev = stddev_stats(&throughput_stats); local
288 avg, rel_stddev_stats(stddev, avg),
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| /linux-master/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) argument
75 pct = 100.0 * stddev/avg;
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| /linux-master/tools/perf/ |
| H A D | builtin-sched.c | 2699 float stddev; local
2706 stddev = rel_stddev_stats(stddev_stats(&r->run_stats), mean);
2713 printf("%5.2f", stddev);
2837 printf(" idle-time min-idle avg-idle max-idle stddev migrations\n");
2845 printf(" run-time min-run avg-run max-run stddev migrations\n");
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