[ntp:questions] Best ways to get the reference times from ntp

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Wed Apr 30 23:44:44 UTC 2014


Maximilian Brehm wrote:
> for my application (external to ntpd) I would like to extract
>  the reference times of the peers ntpd synchronizes with.

ntpq -c "rv 0 reftime" ?


e.g.

ntpq -clas
ind assid status  conf reach auth condition  last_event cnt
===========================================================
  1 62143  c811   yes  none   yes    reject    mobilize  1
  2 62144  f41a   yes   yes   ok  candidate    sys_peer  1
  3 62145  f66a   yes   yes   ok   sys.peer    sys_peer  6
  4 62146  941a   yes   yes  none candidate    sys_peer  1
  5 62147  931a   yes   yes  none   outlyer    sys_peer  1


ntpq -c "rv 0 reftime"
reftime=d70c0236.2a52c6a8  Wed, Apr 30 2014 16:13:58.165

ntpq -c "rv &1 reftime"
reftime=00000000.00000000  Wed, Feb  6 2036 22:28:16.000

ntpq -c "rv &2 reftime"
reftime=d70bfcab.6b76f1ac  Wed, Apr 30 2014 15:50:19.419

ntpq -c "rv &3 reftime"
reftime=d70bfcab.6b76f1ac  Wed, Apr 30 2014 15:50:19.419

ntpq -c "rv &4 reftime"
reftime=d70c04d7.2b3b528d  Wed, Apr 30 2014 16:25:11.168

ntpq -c "rv &5 reftime"
reftime=d70c03e1.fb136918  Wed, Apr 30 2014 16:21:05.980


ntpq -n -clpe
 remote     refid st t when poll reach  delay  offset  jitter
=============================================================
 224.0.1.1 .ACST. 16 a   -    64    0   0.000   0.000  0.000
+...  7    ...  5  2 u  810 1024   45   0.911  -2.091  6.405
*...214    ...  5  2 u  298 1024    3   1.419  -1.329  0.452
+...224    ...103  2 u  488 1024  377  81.351   0.470  8.720
-...206    ...  5  2 u  459 1024  377  46.229   1.581  7.899


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