Searched refs:variance (Results 1 – 8 of 8) sorted by relevance
| /linux/drivers/cpuidle/governors/ |
| A D | menu.c | 168 uint64_t sum, variance; in get_typical_interval() local
201 variance = 0; in get_typical_interval()
206 variance += diff * diff; in get_typical_interval()
210 variance >>= INTERVAL_SHIFT; in get_typical_interval()
212 do_div(variance, divisor); in get_typical_interval()
226 if (likely(variance <= U64_MAX/36)) { in get_typical_interval()
227 if ((((u64)avg*avg > variance*36) && (divisor * 4 >= INTERVALS * 3)) in get_typical_interval()
228 || variance <= 400) { in get_typical_interval()
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| /linux/fs/bcachefs/ |
| A D | mean_and_variance.c | 117 u64 var_w0 = s->variance; in mean_and_variance_weighted_update()
127 s->variance = 0; in mean_and_variance_weighted_update()
130 s->variance = ((var_w0 << w) - var_w0 + ((diff_w * (x_w - u_w1)) >> w)) >> w; in mean_and_variance_weighted_update()
156 return s.variance >> weight; in mean_and_variance_weighted_get_variance()
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| A D | mean_and_variance.h | 158 u64 variance; member
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| /linux/Documentation/filesystems/ |
| A D | gfs2-glocks.rst | 148 variance, plus two counters. The mean/variance pairs are
154 Unlike the TCP/IP Illustrated case, the mean and variance are
157 The three pairs of mean/variance measure the following
174 has gone into the mean/variance calculations. The other counter
190 into account after 8 samples (or 4 for the variance) and this
235 using the format mean/variance for each of the timing stats.
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| /linux/tools/perf/util/ |
| A D | stat.c | 59 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()
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| /linux/drivers/platform/x86/ |
| A D | hdaps.c | 445 static DEVICE_ATTR(variance, 0444, hdaps_variance_show, NULL);
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| /linux/tools/perf/Documentation/ |
| A D | perf-stat.txt | 622 - optional variance if multiple values are collected with -r
646 - variance : optional variance if multiple values are collected (with -r)
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| /linux/Documentation/admin-guide/pm/ |
| A D | cpuidle.rst | 295 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
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