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Searched refs:variance (Results 1 – 6 of 6) sorted by relevance

/Linux-v6.6/drivers/cpuidle/governors/
Dmenu.c175 uint64_t sum, variance; in get_typical_interval() local
208 variance = 0; in get_typical_interval()
213 variance += diff * diff; in get_typical_interval()
217 variance >>= INTERVAL_SHIFT; in get_typical_interval()
219 do_div(variance, divisor); in get_typical_interval()
233 if (likely(variance <= U64_MAX/36)) { in get_typical_interval()
234 if ((((u64)avg*avg > variance*36) && (divisor * 4 >= INTERVALS * 3)) in get_typical_interval()
235 || variance <= 400) { in get_typical_interval()
/Linux-v6.6/Documentation/filesystems/
Dgfs2-glocks.rst151 variance, plus two counters. The mean/variance pairs are
157 Unlike the TCP/IP Illustrated case, the mean and variance are
160 The three pairs of mean/variance measure the following
177 has gone into the mean/variance calculations. The other counter
193 into account after 8 samples (or 4 for the variance) and this
238 using the format mean/variance for each of the timing stats.
/Linux-v6.6/tools/perf/util/
Dstat.c59 double variance, variance_mean; in stddev_stats() local
64 variance = stats->M2 / (stats->n - 1); in stddev_stats()
65 variance_mean = variance / stats->n; in stddev_stats()
/Linux-v6.6/drivers/platform/x86/
Dhdaps.c445 static DEVICE_ATTR(variance, 0444, hdaps_variance_show, NULL);
/Linux-v6.6/tools/perf/Documentation/
Dperf-stat.txt599 - optional variance if multiple values are collected with -r
623 - variance : optional variance if multiple values are collected (with -r)
/Linux-v6.6/Documentation/admin-guide/pm/
Dcpuidle.rst295 and variance of them. If the variance is small (smaller than 400 square
300 Again, if the variance of them is small (in the above sense), the average is