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Searched full:variance (Results 1 – 22 of 22) sorted by relevance

/linux/tools/perf/util/
H A Dbpf-trace-summary.c76 double variance, average; in rel_stddev() local
83 variance = stat->squared_sum; in rel_stddev()
84 variance -= (stat->total_time * stat->total_time) / stat->count; in rel_stddev()
85 variance /= stat->count - 1; in rel_stddev()
87 return 100 * sqrt(variance / stat->count) / average; in rel_stddev()
H A 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()
H A Dstat-display.c195 json_out(os, "\"variance\" : %.2f", pct); in print_noise_pct_json()
/linux/net/sunrpc/
H A Dtimer.c7 * Based on packet round-trip and variance estimator algorithms described
86 /* Set lower bound on the variance */ in rpc_update_rtt()
/linux/drivers/net/wireless/broadcom/b43/
H A Dtables_nphy.h147 #define B43_NTAB_NOISEVAR_R3 B43_NTAB32(16, 0) /* noise variance */
171 #define B43_NTAB_NOISEVAR_R7 B43_NTAB32(16, 0) /* noise variance */
/linux/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);
/linux/Documentation/netlink/specs/
H A Dtcp_metrics.yaml102 Round Trip Time VARiance (RTT), in msecs with 2 bits fractional
/linux/fs/gfs2/
H A Dincore.h237 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 */
H A Dlock_dlm.c37 * 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()
/linux/tools/perf/Documentation/
H A Dperf-stat.txt629 - optional variance if multiple values are collected with -r
654 - variance : optional variance if multiple values are collected (with -r)
/linux/tools/testing/selftests/net/
H A Dso_txtime.c138 fprintf(stderr, "exceeds variance (%d us)\n", cfg_variance_us); in do_recv_one()
H A Dmsg_zerocopy.c131 fprintf(stderr, "cpu: unable to pin, may increase variance.\n"); in do_setcpu()
/linux/drivers/media/dvb-frontends/
H A Dnxt200x.c789 /* setup to read cluster variance */ in nxt200x_read_signal_strength()
810 /* setup to read cluster variance */ in nxt200x_read_snr()
/linux/fs/xfs/scrub/
H A Dfscounters.c560 * If ifree exceeds icount by more than the minimum variance then in xchk_fscounters()
/linux/drivers/regulator/
H A Dqcom_spmi-regulator.c334 * adjust the step rate in order to account for oscillator variance.
355 * used to adjust the step rate in order to account for oscillator variance.
/linux/drivers/net/wireless/intel/iwlegacy/
H A D4965.c1618 /* Adjust Txpower only if temperature variance is greater than threshold. */
H A D3945.c1094 /* Adjust Txpower only if temperature variance is greater than threshold.
/linux/include/uapi/linux/
H A Dnl80211.h7920 * @NL80211_PMSR_FTM_RESP_ATTR_RTT_VARIANCE: RTT variance (u64, ps^2, note that
7921 * standard deviation is the square root of variance, optional)
7926 * @NL80211_PMSR_FTM_RESP_ATTR_DIST_VARIANCE: distance variance (u64, mm^2, note
7927 * that standard deviation is the square root of variance, optional)
/linux/include/net/
H A Dcfg80211.h4201 * @rtt_variance: variance of RTTs measured (note that standard deviation is
4202 * the square root of the variance)
4206 * @dist_variance: variance of distances measured (see also @rtt_variance)
/linux/kernel/trace/
H A Dftrace.c564 * Variance formula: in function_stat_show()
/linux/net/ipv4/
H A Dtcp_input.c1141 * 1. If rtt variance happened to be less 50msec, it is hallucination. in tcp_set_rto()
/linux/kernel/sched/
H A Dfair.c10123 * account the variance of the tasks' load and to return true if the available