Searched refs:jitter (Results 1 - 25 of 35) sorted by relevance

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/freebsd-9.3-release/contrib/bind9/lib/isc/
H A Drandom.c103 isc_random_jitter(isc_uint32_t max, isc_uint32_t jitter) { argument
106 REQUIRE(jitter < max || (jitter == 0 && max == 0));
108 if (jitter == 0)
112 return (max - rnd % jitter);
/freebsd-9.3-release/contrib/ntp/lib/isc/
H A Drandom.c103 isc_random_jitter(isc_uint32_t max, isc_uint32_t jitter) { argument
106 REQUIRE(jitter < max || (jitter == 0 && max == 0));
108 if (jitter == 0)
112 return (max - rnd % jitter);
/freebsd-9.3-release/contrib/bind9/lib/isc/include/isc/
H A Drandom.h54 isc_random_jitter(isc_uint32_t max, isc_uint32_t jitter);
56 * Get a random value between (max - jitter) and (max).
/freebsd-9.3-release/contrib/ntp/lib/isc/include/isc/
H A Drandom.h54 isc_random_jitter(isc_uint32_t max, isc_uint32_t jitter);
56 * Get a random value between (max - jitter) and (max).
/freebsd-9.3-release/sys/dev/firewire/
H A Dfwphyreg.h56 jitter:3, member in struct:phyreg_base
86 jitter:3,
/freebsd-9.3-release/contrib/ntp/ntpd/
H A Drefclock_local.c51 * have a rather large jitter, depending on the interval between
206 pp->jitter = 0;
210 pp->jitter = 0;
H A Dntp_util.c531 * jitter
540 double jitter /* jitter */
557 delay, dispersion, jitter);
571 * jitter
579 double jitter, /* jitter */
596 day, ulfptoa(&now, 3), offset, freq * 1e6, jitter,
576 record_loop_stats( double offset, double freq, double jitter, double wander, int spoll ) argument
H A Dntp_refclock.c441 * calculates the mean offset and RMS jitter. A time adjustment
486 * Determine the offset and jitter.
489 pp->jitter = 0;
493 pp->jitter += SQUARE(off[k] - off[k - 1]);
496 pp->jitter = max(SQRT(pp->jitter / m), LOGTOD(sys_precision));
500 "refclock_sample: n %d offset %.6f disp %.6f jitter %.6f\n",
501 (int)n, pp->offset, pp->disp, pp->jitter);
553 clock_filter(peer, pp->offset, 0., pp->jitter);
H A Dntpsim.c315 d1 = poisson(curr_script->prop_delay, curr_script->jitter);
317 d3 = poisson(curr_script->prop_delay, curr_script->jitter);
H A Dntp_proto.c82 double error; /* jitter */
83 double seljit; /* selection jitter */
125 double sys_jitter; /* system jitter */
2513 * p.psi is the PollProc's jitter
2807 peer->jitter = LOGTOD(sys_precision);
2945 * further improve the jitter estimate, of the remainder leave
2947 * least two samples for jitter calculation.
2959 * Compute the dispersion and jitter. The dispersion is weighted
2961 * to 1.0. The jitter is the RMS differences relative to the
2964 peer->disp = peer->jitter
[all...]
H A Dntp_loopfilter.c120 double clock_jitter; /* offset jitter */
336 * PPS jitter exceeded when time synchronization requested
653 * the jitter as the exponentially weighted offset
753 * frequency offsets for jitter and stability values and
811 * frequency and jitter.
834 clock_jitter = ntv.jitter / 1e9;
836 clock_jitter = ntv.jitter / 1e6;
882 * offset with the clock jitter. If the offset is less than the
883 * clock jitter times a constant, then the averaging interval is
/freebsd-9.3-release/contrib/ntp/include/
H A Dntpsim.h85 double jitter; member in struct:script_info_tag
H A Dntp_refclock.h171 double jitter; /* jitter (mean squares) */ member in struct:refclockproc
H A Dntp_request.h898 int32 jitter; member in struct:info_kernel
H A Dntp.h146 * Operations for jitter calculations (these use doubles).
148 * Note that we carefully separate the jitter component from the
364 double jitter; /* peer jitter (squares) */ member in struct:peer
/freebsd-9.3-release/sys/sys/
H A Dtimex.h152 #define STA_PPSJITTER 0x0200 /* PPS signal jitter exceeded (ro) */
191 * Note: The offset, precision and jitter members are in microseconds if
212 long jitter; /* PPS jitter (ns/us) (ro) */ member in struct:timex
215 long jitcnt; /* jitter limit exceeded (ro) */
/freebsd-9.3-release/contrib/ntp/kernel/sys/
H A Dtimex.h151 * MAXTIME is the maximum jitter tolerance of the PPS signal if the
160 #define MAXTIME (200L << PPS_AVG) /* max PPS error (jitter) (200 us) */
224 #define STA_PPSJITTER 0x0200 /* PPS signal jitter exceeded (ro) */
276 long jitter; /* pps jitter (us) (ro) */ member in struct:timex
279 long jitcnt; /* jitter limit exceeded (ro) */
/freebsd-9.3-release/usr.bin/csup/
H A Dmisc.c60 float jitter; member in struct:backoff_timer
517 bt_new(time_t min, time_t max, float backoff, float jitter) argument
525 bt->jitter = jitter;
541 /* Adds some jitter. */
547 mag = (long)(bt->jitter * bt->interval);
/freebsd-9.3-release/contrib/ntp/scripts/lib/NTP/
H A DUtil.pm103 my @columns = qw(tally host refid st t when poll reach delay offset jitter);
/freebsd-9.3-release/contrib/ntp/util/
H A DMakefile.am7 EXTRA_PROGRAMS= audio-pcm byteorder hist jitter kern longsize ntp-keygen \
115 jitter_SOURCES= jitter.c
H A Dntptime.c363 htemp = (double)ntx.jitter;
369 " pps frequency %.3f ppm, stability %.3f ppm, jitter %.3f us,\n",
371 printf(" intervals %lu, jitter exceeded %lu, stability exceeded %lu, errors %lu.\n",
H A DMakefile.in97 jitter$(EXEEXT) kern$(EXEEXT) longsize$(EXEEXT) \
172 am_jitter_OBJECTS = jitter.$(OBJEXT)
662 jitter_SOURCES = jitter.c
862 jitter$(EXEEXT): $(jitter_OBJECTS) $(jitter_DEPENDENCIES) $(EXTRA_jitter_DEPENDENCIES)
863 @rm -f jitter$(EXEEXT)
923 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/jitter.Po@am__quote@
/freebsd-9.3-release/sys/contrib/octeon-sdk/
H A Dcvmx-spxx-defs.h1247 * these bits were intended to compensate for clock jitter.
1251 * jitter: amount of jitter we expect in the system (~200ps)
1252 * j: number of taps to account for jitter
1254 * j = ((jitter / dly) + 1)
1397 uint64_t jitter : 3; /**< Accounts for jitter when the macro sequence is member in struct:cvmx_spxx_trn4_ctl::cvmx_spxx_trn4_ctl_s
1422 uint64_t jitter : 3;
H A Dcvmx-spi.c300 spxx_trn4_ctl.s.jitter = 1;
/freebsd-9.3-release/sys/kern/
H A Dkern_ntptime.c183 static long pps_jitter; /* nominal jitter (ns) */
195 static long pps_jitcnt; /* jitter limit exceeded */
229 * PPS jitter exceeded when time synchronization requested
446 ntv.jitter = pps_jitter;
448 ntv.jitter = pps_jitter / 1000;
799 * dispersion (jitter) estimate.
826 * Nominal jitter is due to PPS signal noise and interrupt

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