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Searched refs:stddev (Results 1 – 3 of 3) sorted by relevance

/linux-3.4.99/drivers/cpuidle/governors/
Dmenu.c204 uint64_t stddev = 0; /* contains the square of the std deviation */ in detect_repeating_patterns() local
216 stddev += (data->intervals[i] - avg) * in detect_repeating_patterns()
219 stddev = stddev / INTERVALS; in detect_repeating_patterns()
226 if (avg && stddev < STDDEV_THRESH) in detect_repeating_patterns()
/linux-3.4.99/tools/perf/Documentation/
Dperf-stat.txt55 repeat command and print average + stddev (max: 100)
/linux-3.4.99/kernel/trace/
Dftrace.c536 unsigned long long stddev; in function_stat_show() local
556 stddev = 0; in function_stat_show()
558 stddev = rec->time_squared - rec->counter * avg * avg; in function_stat_show()
563 do_div(stddev, (rec->counter - 1) * 1000); in function_stat_show()
571 trace_print_graph_duration(stddev, &s); in function_stat_show()