Searched refs:variance (Results 1 - 5 of 5) sorted by relevance

/linux-master/fs/bcachefs/
H A Dmean_and_variance.c3 * Functions for incremental mean and variance.
20 * This is includes some incremental algorithms for mean and variance calculation
28 * Use the mean_and_variance[_weighted]_get_* functions to calculate the mean and variance, some computation
33 * DO NOT access the mean and variance fields of the weighted variants directly.
65 * @s: mean and variance number of samples and their sums
74 * mean_and_variance_get_variance() - get variance from @s1
75 * @s1: mean and variance number of samples and sums
94 * @s: mean and variance number of samples and their sums
104 * @s: mean and variance number of samples and their sums
115 // previous weighted variance
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H A Dmean_and_variance.h158 u64 variance; member in struct:mean_and_variance_weighted
/linux-master/drivers/cpuidle/governors/
H A Dmenu.c175 uint64_t sum, variance; local
207 /* Then try to determine variance */
208 variance = 0;
213 variance += diff * diff;
217 variance >>= INTERVAL_SHIFT;
219 do_div(variance, divisor);
223 * small (stddev <= 20 us, variance <= 400 us^2) or standard
225 * 6*stddev, avg^2 > 36*variance). The average is smaller than
233 if (likely(variance <= U64_MAX/36)) {
234 if ((((u64)avg*avg > variance*3
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/linux-master/tools/perf/util/
H A Dstat.c59 double variance, variance_mean; local
64 variance = stats->M2 / (stats->n - 1);
65 variance_mean = variance / stats->n;
/linux-master/drivers/platform/x86/
H A Dhdaps.c37 #define HDAPS_PORT_YVAR 0x1617 /* y-axis variance (what is this?) */
38 #define HDAPS_PORT_XVAR 0x1619 /* x-axis variance (what is this?) */
445 static DEVICE_ATTR(variance, 0444, hdaps_variance_show, NULL);

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