diff options
| author | Chris Kuethe <ckuethe@cvs.openbsd.org> | 2007-09-12 21:08:47 +0000 |
|---|---|---|
| committer | Chris Kuethe <ckuethe@cvs.openbsd.org> | 2007-09-12 21:08:47 +0000 |
| commit | 385475b05fe47915df1ee94e073424bc8784ca38 (patch) | |
| tree | d44f7f75d008d52d0af5afe6b68152c958d6e8ef /usr.sbin/ntpd/sensors.c | |
| parent | 3d78660185aa2b921a612f1f9d14cbac860184af (diff) | |
Add a knob to compensate for a refclock that is early or late. Based on a
diff from Maurice Janssen. Manpage help from jmc and Maurice, other nits
from deraadt and otto.
ok deraadt, otto
Diffstat (limited to 'usr.sbin/ntpd/sensors.c')
| -rw-r--r-- | usr.sbin/ntpd/sensors.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/usr.sbin/ntpd/sensors.c b/usr.sbin/ntpd/sensors.c index dde110f8f72..0e0c69f63ff 100644 --- a/usr.sbin/ntpd/sensors.c +++ b/usr.sbin/ntpd/sensors.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sensors.c,v 1.33 2007/08/04 02:58:02 ckuethe Exp $ */ +/* $OpenBSD: sensors.c,v 1.34 2007/09/12 21:08:46 ckuethe Exp $ */ /* * Copyright (c) 2006 Henning Brauer <henning@openbsd.org> @@ -121,13 +121,15 @@ sensor_add(int sensordev, char *dxname) s->next = getmonotime(); s->weight = cs->weight; + s->correction = cs->correction; if ((s->device = strdup(dxname)) == NULL) fatal("sensor_add strdup"); s->sensordevid = sensordev; TAILQ_INSERT_TAIL(&conf->ntp_sensors, s, entry); - log_debug("sensor %s added", s->device); + log_debug("sensor %s added (weight %d, correction %.6f)", + s->device, s->weight, s->correction / 1e6); } void @@ -176,7 +178,8 @@ sensor_query(struct ntp_sensor *s) * sensor.value = TS - TD in ns * if value is positive, system time is ahead */ - s->offsets[s->shift].offset = (sensor.value / -1e9) - getoffset(); + s->offsets[s->shift].offset = (sensor.value / -1e9) - getoffset() + + (s->correction / 1e6); s->offsets[s->shift].rcvd = sensor.tv.tv_sec; s->offsets[s->shift].good = 1; |