Searched refs:stddev (Results 1 – 10 of 10) sorted by relevance
| /Linux-v4.19/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 | 545 unsigned long long stddev; in function_stat_show() local
570 stddev = 0; in function_stat_show()
576 stddev = rec->counter * rec->time_squared - in function_stat_show()
583 do_div(stddev, rec->counter * (rec->counter - 1) * 1000); in function_stat_show()
591 trace_print_graph_duration(stddev, &s); in function_stat_show()
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| /Linux-v4.19/tools/perf/bench/ |
| D | futex-hash.c | 111 double stddev = stddev_stats(&throughput_stats); in print_summary() local
114 !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg), in print_summary()
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| D | futex-lock-pi.c | 61 double stddev = stddev_stats(&throughput_stats); in print_summary() local
64 !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg), in print_summary()
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| /Linux-v4.19/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 | 89 repeat command and print average + stddev (max: 100). 0 means forever.
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| /Linux-v4.19/tools/perf/util/ |
| D | stat.h | 101 double rel_stddev_stats(double stddev, double avg);
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| D | stat.c | 60 double rel_stddev_stats(double stddev, double avg) in rel_stddev_stats() argument
65 pct = 100.0 * stddev/avg; in rel_stddev_stats()
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| /Linux-v4.19/tools/perf/ |
| D | builtin-sched.c | 2654 float stddev; in print_thread_runtime() local
2661 stddev = rel_stddev_stats(stddev_stats(&r->run_stats), mean); in print_thread_runtime()
2668 printf("%5.2f", stddev); in print_thread_runtime()
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