Searched refs:variance (Results 1 – 5 of 5) sorted by relevance
120 u64 avg, variance, avg_sq; in get_typical_interval() local128 variance = 0; in get_typical_interval()142 variance += value * value; in get_typical_interval()156 variance >>= INTERVAL_SHIFT; in get_typical_interval()159 do_div(variance, divisor); in get_typical_interval()163 variance -= avg_sq; in get_typical_interval()177 if (likely(variance <= U64_MAX/36)) { in get_typical_interval()178 if ((avg_sq > variance * 36 && divisor * 4 >= INTERVALS * 3) || in get_typical_interval()179 variance <= 400) in get_typical_interval()
77 double variance, average; in rel_stddev() local84 variance = stat->squared_sum; in rel_stddev()85 variance -= (stat->total_time * stat->total_time) / stat->count; in rel_stddev()86 variance /= stat->count - 1; in rel_stddev()88 return 100 * sqrt(variance / stat->count) / average; in rel_stddev()
59 double variance, variance_mean; in stddev_stats() local64 variance = stats->M2 / (stats->n - 1); in stddev_stats()65 variance_mean = variance / stats->n; in stddev_stats()
445 static DEVICE_ATTR(variance, 0444, hdaps_variance_show, NULL);
629 - optional variance if multiple values are collected with -r654 - variance : optional variance if multiple values are collected (with -r)