Lines Matching defs:jitter
54 * @pps_jitter: PPS current jitter in nanoseconds
61 * @pps_jitcnt: PPS monitor: jitter limit exceeded
200 * PPS jitter exceeded when PPS time synchronization
217 txc->jitter = ntpdata->pps_jitter;
219 txc->jitter = ntpdata->pps_jitter / NSEC_PER_USEC;
249 txc->jitter = 0;
1128 /* Get current phase correction and jitter */
1129 static inline long pps_phase_filter_get(struct ntp_data *ntpdata, long *jitter)
1131 *jitter = ntpdata->pps_tf[0] - ntpdata->pps_tf[1];
1132 if (*jitter < 0)
1133 *jitter = -*jitter;
1244 long jitter;
1248 correction = pps_phase_filter_get(ntpdata, &jitter);
1251 * Nominal jitter is due to PPS signal noise. If it exceeds the
1255 if (jitter > (ntpdata->pps_jitter << PPS_POPCORN)) {
1256 printk_deferred(KERN_WARNING "hardpps: PPSJITTER: jitter=%ld, limit=%ld\n",
1257 jitter, (ntpdata->pps_jitter << PPS_POPCORN));
1268 /* Update jitter */
1269 ntpdata->pps_jitter += (jitter - ntpdata->pps_jitter) >> PPS_INTMIN;