[LinuxPPS] My ATOM clock is working fine now, should I have sys.peer?
Paul Simons
paul at thesimonet.org
Wed Feb 11 17:13:58 CET 2009
Someone pointed out earlier that I was using the "clear" rather than the "assert" edge, and I blithely pointed them to the wiki and moved on. Well, it bothered me enough that I tried using the assert edge, and it worked! This does make sense; I must have read the time stamps wrong.
# ntpq -c rv -c ass -p
associd=0 status=0115 leap_none, sync_pps, 1 event, clock_sync,
version="ntpd 4.2.5p158 at 1.1809-o Mon Feb 9 04:32:17 UTC 2009 (1)",
processor="i686", system="Linux/2.6.26.simonet", leap=00, stratum=1,
precision=-19, rootdelay=0.000, rootdisp=0.403, refid=PPS,
reftime=cd3d6fe3.8c33c3df Wed, Feb 11 2009 7:40:19.547,
clock=cd3d6fed.7b66f14e Wed, Feb 11 2009 7:40:29.482, peer=33855,
tc=4, mintc=3, offset=-0.033, frequency=-89.630, sys_jitter=0.002,
clk_jitter=0.002, clk_wander=0.001
ind assid status conf reach auth condition last_event cnt
===========================================================
1 33855 974a yes yes none pps.peer sys_peer 4
2 33856 941b yes yes none candidate clock_alarm 1
3 33857 9424 yes yes none candidate reachable 2
4 33858 9324 yes yes none outlyer reachable 2
5 33859 9324 yes yes none outlyer reachable 2
6 33860 9324 yes yes none outlyer reachable 2
7 33861 9324 yes yes none outlyer reachable 2
remote refid st t when poll reach delay offset jitter
==============================================================================
oPPS(1) .PPS. 0 l 10 16 377 0.000 -0.033 0.002
+TRUETIME(0) .TRUE. 0 l 24 64 377 0.000 -6.401 0.016
+clepsydra.dec.c .GPS. 1 u 23 64 377 55.437 7.373 0.710
-clock.xmission. .GPS. 1 u 54 64 377 73.582 7.880 0.505
-bigben.cac.wash .USNO. 1 u 29 64 377 39.912 7.609 0.619
-131.107.13.100 .ACTS. 1 u 27 64 377 54.317 16.825 1.296
-clock.sjc.he.ne .CDMA. 1 u 16 64 377 53.063 8.050 0.401
This has been running for about twelve hours. Should the TRUETIME condition become sys.peer at some point? Or does this look good?
ntpq> clockv 33856
associd=33856 status=00f0 , 15 events, clk_unspec,
device="Kinemetrics/TrueTime Receiver", timecode="042:16:08:15 ",
poll=987, noreply=0, badformat=0, baddata=0, fudgetime1=0.000,
stratum=0, refid=TRUE, flags=0
Is there a way to zero the status? I don't know when those "clk_unspec" events occurred. Are they keeping the clock from becoming sys.peer?
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