On Mon, Nov 26, 2012 at 1:27 PM, Dave Morgan <mor...@eclipse.co.uk> wrote: > Dave Hart wrote: >> I'd appreciate others taking a look at their loopstats on Linux >> systems and especially non-x86 Linux to see if 0.000000000 shows up in >> the jitter (fifth column). I think we need more information to >> understand the problem. >> >
on my RPi running as at stratum 1 # ntpq -c "rv 0 version" 127.0.0.1 version="ntpd 4.2.6p3@1.2290 Thu Oct 25 04:18:47 UTC 2012 (1)" # uname -a Linux pisces 3.6.1+ #1 Fri Nov 2 02:10:35 PDT 2012 armv6l GNU/Linux # ntpq -c lpeers remote refid st t when poll reach delay offset jitter ============================================================================== *GPS_NMEA(0) .GPS. 0 l - 8 377 0.000 -114.47 45.790 oPPS(0) .PPS. 0 l 2 16 377 0.000 0.002 0.002 -64.147.116.229 .ACTS. 1 u 9 64 377 37.443 13.267 0.804 +nist1-lv.ustimi .ACTS. 1 u 37 64 377 47.102 -8.095 0.815 +nist1-sj.ustimi .ACTS. 1 u 57 64 377 53.926 -0.576 0.764 -pool-test.ntp.o 216.218.254.202 2 u - 64 377 35.388 -3.495 2.444 -four10.gac.edu 18.26.4.105 2 u 8 64 377 78.181 4.795 0.660 -ntp1.csl.tjhsst 192.5.41.41 2 u 37 64 337 91.164 8.840 0.491 -tick.tadatv.com 10.0.22.51 2 u 15 64 377 47.252 3.167 4.509 here is a typical view of my loopstats # tail /var/log/ntpstats/loopstats 56258 24418.148 0.000001454 22.907 0.000000000 0.000375 4 56258 24434.148 0.000001005 22.908 0.000000000 0.000363 4 56258 24450.148 -0.000002531 22.907 0.000000000 0.000405 4 56258 24466.148 -0.000001953 22.907 0.000000000 0.000414 4 56258 24482.148 0.000000905 22.907 0.000000000 0.000395 4 56258 24498.148 -0.000002061 22.906 0.000000000 0.000410 4 56258 24514.148 -0.000002068 22.906 0.000000000 0.000423 4 56258 24530.148 0.000001085 22.906 0.000000000 0.000407 4 56258 24546.148 -0.000001675 22.906 0.000000000 0.000408 4 56258 24562.148 -0.000002359 22.905 0.000000000 0.000433 4 i checked my loopstats for the last 47,000 odd lines of loopstats I have had 7 lines where the jitter has not been zero. james _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions