| /linux-6.14.4/fs/bcachefs/ |
| D | mean_and_variance.c | 3 * 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 co…
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. in mean_and_variance_weighted_update()
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| D | mean_and_variance_test.c | 213 .name = "mean and variance tests",
220 MODULE_DESCRIPTION("bcachefs filesystem mean and variance unit tests");
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| D | time_stats.h | 86 /* default weight for weighted mean and variance calculations */
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| D | mean_and_variance.h | 158 u64 variance; member
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| /linux-6.14.4/drivers/staging/media/atomisp/pci/isp/kernels/bnr/bnr2_2/ |
| D | ia_css_bnr2_2_types.h | 26 /* Directional variance gain for R/G/B components in dark region */
32 /* Slope of Directional variance gain between dark and bright region */
38 /* Non-Directional variance gain for R/G/B components in dark region */
44 /* Slope of Non-Directional variance gain between dark and bright region */
52 s32 var_offset_coef; /** Variance offset coefficient */
57 s32 d_var_th_min; /** Minimum clipping value for directional variance*/
58 s32 d_var_th_max; /** Maximum clipping value for diretional variance*/
59 s32 n_var_th_min; /** Minimum clipping value for non-directional variance*/
60 s32 n_var_th_max; /** Maximum clipping value for non-directional variance*/
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| /linux-6.14.4/Documentation/filesystems/ |
| 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
223 srttvar Variance estimate for srtt
225 srttvarb Variance estimate for srttb
227 sirtvar Variance estimate for sirt
235 using the format mean/variance for each of the timing stats.
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| /linux-6.14.4/drivers/cpuidle/governors/ |
| D | menu.c | 121 uint64_t sum, variance; in get_typical_interval() local
153 /* Then try to determine variance */ in get_typical_interval()
154 variance = 0; in get_typical_interval()
159 variance += diff * diff; in get_typical_interval()
163 variance >>= INTERVAL_SHIFT; in get_typical_interval()
165 do_div(variance, divisor); in get_typical_interval()
169 * small (stddev <= 20 us, variance <= 400 us^2) or standard in get_typical_interval()
171 * 6*stddev, avg^2 > 36*variance). The average is smaller than in get_typical_interval()
179 if (likely(variance <= U64_MAX/36)) { in get_typical_interval()
180 if ((((u64)avg*avg > variance*36) && (divisor * 4 >= INTERVALS * 3)) in get_typical_interval()
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| /linux-6.14.4/drivers/staging/media/atomisp/pci/isp/kernels/tdf/tdf_1.0/ |
| D | ia_css_tdf_types.h | 27 s32 epsilon_0; /** Coefficient to control variance for dark area (for flat region). */
28 s32 epsilon_1; /** Coefficient to control variance for bright area (for flat region). */
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| /linux-6.14.4/net/sunrpc/ |
| D | timer.c | 7 * Based on packet round-trip and variance estimator algorithms described
86 /* Set lower bound on the variance */ in rpc_update_rtt()
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| /linux-6.14.4/drivers/net/wireless/broadcom/b43/ |
| D | tables_nphy.h | 147 #define B43_NTAB_NOISEVAR_R3 B43_NTAB32(16, 0) /* noise variance */
171 #define B43_NTAB_NOISEVAR_R7 B43_NTAB32(16, 0) /* noise variance */
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| /linux-6.14.4/drivers/platform/x86/ |
| D | hdaps.c | 37 #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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| /linux-6.14.4/Documentation/netlink/specs/ |
| D | tcp_metrics.yaml | 102 Round Trip Time VARiance (RTT), in msecs with 2 bits fractional
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| /linux-6.14.4/tools/perf/util/ |
| 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-6.14.4/fs/gfs2/ |
| D | incore.h | 237 GFS2_LKS_SRTTVAR = 1, /* Non blocking smoothed variance */
239 GFS2_LKS_SRTTVARB = 3, /* Blocking smoothed variance */
241 GFS2_LKS_SIRTVAR = 5, /* Smoothed Inter-request variance */
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| D | lock_dlm.c | 37 * update the current srtt estimate. The variance estimate is a bit in gfs2_update_stats()
38 * more complicated. We subtract the current variance estimate from in gfs2_update_stats()
40 * total. That's equivalent to 3/4 of the current variance in gfs2_update_stats()
44 * smoothed mean value, and the variance is always in the following in gfs2_update_stats()
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| /linux-6.14.4/tools/perf/Documentation/ |
| 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-6.14.4/net/rxrpc/ |
| D | rtt.c | 109 /* 1. If rtt variance happened to be less 50msec, it is hallucination. in rxrpc_set_rto()
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| /linux-6.14.4/drivers/input/rmi4/ |
| D | rmi_f54.c | 47 * @F54_8BIT_IMAGE: Normalized 8-Bit Image Report. The capacitance variance
50 * @F54_16BIT_IMAGE: Normalized 16-Bit Image Report. The capacitance variance
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| /linux-6.14.4/drivers/net/wireless/intel/iwlwifi/fw/api/ |
| D | location.h | 1460 * @rtt_variance: The Variance of the RTT values measured for current AP
1470 * @range_variance: Measured range variance [cm]
1509 * @rtt_variance: The Variance of the RTT values measured for current AP
1562 * @rtt_variance: The Variance of the RTT values measured for current AP
1619 * @rtt_variance: The Variance of the RTT values measured for current AP
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| /linux-6.14.4/Documentation/admin-guide/pm/ |
| D | cpuidle.rst | 275 and variance of them. If the variance is small (smaller than 400 square
280 Again, if the variance of them is small (in the above sense), the average is
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| /linux-6.14.4/tools/testing/selftests/net/ |
| D | so_txtime.c | 138 fprintf(stderr, "exceeds variance (%d us)\n", cfg_variance_us); in do_recv_one()
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| D | msg_zerocopy.c | 130 fprintf(stderr, "cpu: unable to pin, may increase variance.\n"); in do_setcpu()
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| /linux-6.14.4/drivers/iio/light/ |
| D | apds9306.c | 142 * @int_thresh_var_en: Interrupt variance threshold regfield
145 * @int_thresh_var_val: Interrupt threshold variance value regfield
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| /linux-6.14.4/drivers/media/dvb-frontends/ |
| D | nxt200x.c | 789 /* setup to read cluster variance */ in nxt200x_read_signal_strength()
810 /* setup to read cluster variance */ in nxt200x_read_snr()
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| /linux-6.14.4/fs/xfs/scrub/ |
| D | fscounters.c | 553 * If ifree exceeds icount by more than the minimum variance then in xchk_fscounters()
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