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- This patch scales down small offsets quadratically. Reduces sensitivity to jitter
- diff --git a/networking/ntpd.c b/networking/ntpd.c
- index 4695c33..ac05815 100644
- --- a/networking/ntpd.c
- +++ b/networking/ntpd.c
- @@ -1654,6 +1654,17 @@ update_local_clock(peer_t *p)
- */
- if (G.offset_to_jitter_ratio >= TIMECONST_HACK_GATE)
- tmx.constant--;
- +
- +{
- + double d = p->lastpkt_delay;
- + if (d > SLEW_THRESHOLD)
- + d = SLEW_THRESHOLD;
- + d /= 2;
- + if ((abs_offset / d) < 1) {
- + offset *= (abs_offset / d);
- + }
- +}
- +
- tmx.offset = (long)(offset * 1000000); /* usec */
- if (SLEW_THRESHOLD < STEP_THRESHOLD) {
- if (tmx.offset > (long)(SLEW_THRESHOLD * 1000000)) {
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