Searched refs:stddev (Results 1 – 10 of 10) sorted by relevance
| /linux-4.4.14/kernel/trace/ |
| D | trace_benchmark.c | 39 u64 stddev; in trace_do_benchmark() local
98 stddev = (u64)bm_cnt * bm_totalsq - bm_total * bm_total; in trace_do_benchmark()
99 do_div(stddev, (u32)bm_cnt); in trace_do_benchmark()
100 do_div(stddev, (u32)bm_cnt - 1); in trace_do_benchmark()
102 stddev = 0; in trace_do_benchmark()
108 if (stddev > 0) { in trace_do_benchmark()
124 seed = stddev; in trace_do_benchmark()
137 bm_last, bm_first, bm_max, bm_min, avg, std, stddev); in trace_do_benchmark()
141 bm_stddev = stddev; in trace_do_benchmark()
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| D | ftrace.c | 628 unsigned long long stddev; in function_stat_show() local
653 stddev = 0; in function_stat_show()
659 stddev = rec->counter * rec->time_squared - in function_stat_show()
666 do_div(stddev, rec->counter * (rec->counter - 1) * 1000); in function_stat_show()
674 trace_print_graph_duration(stddev, &s); in function_stat_show()
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| /linux-4.4.14/drivers/cpuidle/governors/ |
| D | menu.c | 203 uint64_t avg, stddev; in get_typical_interval() local
228 stddev = 0; in get_typical_interval()
233 stddev += diff * diff; in get_typical_interval()
237 stddev >>= INTERVAL_SHIFT; in get_typical_interval()
239 do_div(stddev, divisor); in get_typical_interval()
253 if (likely(stddev <= ULONG_MAX)) { in get_typical_interval()
254 stddev = int_sqrt(stddev); in get_typical_interval()
255 if (((avg > stddev * 6) && (divisor * 4 >= INTERVALS * 3)) in get_typical_interval()
256 || stddev <= 20) { in get_typical_interval()
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| /linux-4.4.14/tools/perf/bench/ |
| D | futex-lock-pi.c | 55 double stddev = stddev_stats(&throughput_stats); in print_summary() local
58 !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg), in print_summary()
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| D | futex-hash.c | 102 double stddev = stddev_stats(&throughput_stats); in print_summary() local
105 !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg), in print_summary()
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| /linux-4.4.14/tools/perf/util/ |
| D | stat.h | 47 double rel_stddev_stats(double stddev, double avg);
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| D | stat.c | 57 double rel_stddev_stats(double stddev, double avg) in rel_stddev_stats() argument
62 pct = 100.0 * stddev/avg; in rel_stddev_stats()
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| /linux-4.4.14/tools/perf/Documentation/ |
| D | perf-trace.txt | 101 (in msec) and relative stddev.
106 average times (in msec) and relative stddev.
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| D | perf-stat.txt | 75 repeat command and print average + stddev (max: 100). 0 means forever.
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| /linux-4.4.14/drivers/staging/iio/light/ |
| D | tsl2x7x_core.c | 165 unsigned long stddev; member
846 statP->stddev = int_sqrt((long)sample_sum)/length; in tsl2x7x_prox_calculate()
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