Chrony Graphs [Data Legend]
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vnStati Graphs
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Chrony - NTP Statistics
Command: chronyc sources -v
.-- Source mode '^' = server, '=' = peer, '#' = local clock.
/ .- Source state '*' = current best, '+' = combined, '-' = not combined,
| / 'x' = may be in error, '~' = too variable, '?' = unusable.
|| .- xxxx [ yyyy ] +/- zzzz
|| Reachability register (octal) -. | xxxx = adjusted offset,
|| Log2(Polling interval) --. | | yyyy = measured offset,
|| \ | | zzzz = estimated error.
|| | | \
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^- 2607:f128:400:1::dd2 2 10 377 937 +1126us[+1126us] +/- 17ms
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Command: chronyc selectdata -v
. State: N - noselect, s - unsynchronised, M - missing samples,
/ d/D - large distance, ~ - jittery, w/W - waits for others,
| S - stale, O - orphan, T - not trusted, P - not preferred,
| U - waits for update,, x - falseticker, + - combined, * - best.
| Effective options ---------. (N - noselect, P - prefer
| Configured options ----. \ T - trust, R - require)
| Auth. enabled (Y/N) -. \ \ Offset interval --.
| | | | |
S Name/IP Address Auth COpts EOpts Last Score Interval Leap
=======================================================================
D 2607:f128:400:1::dd2 N ----- ----- 901 1.0 -16ms +18ms N
D time.nrc.ca N ----- ----- 99 1.0 -18ms +6507us N
+ 2602:fde5:2a::11 N ----- ----- 0 1.1 -1547us +558us N
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Command: chronyc sourcestats -v
.- Number of sample points in measurement set.
/ .- Number of residual runs with same sign.
| / .- Length of measurement set (time).
| | / .- Est. clock freq error (ppm).
| | | / .- Est. error in freq.
| | | | / .- Est. offset.
| | | | | | On the -.
| | | | | | samples. \
| | | | | | |
Name/IP Address NP NR Span Frequency Freq Skew Offset Std Dev
==============================================================================
2607:f128:400:1::dd2 9 5 137m +0.015 0.102 +1204us 144us
time21.nrc.ca 61 32 17h -0.053 0.021 -6366us 829us
2602:fde5:2a::11 6 3 85m -0.083 0.175 -452us 102us
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Command: chronyc tracking
Reference ID : 10A428C5 (2602:fde5:2a::12)
Stratum : 2
Ref time (UTC) : Mon Mar 30 12:41:58 2026
System time : 0.000019668 seconds slow of NTP time
Last offset : -0.000030358 seconds
RMS offset : 0.000077956 seconds
Frequency : 14.090 ppm fast
Residual freq : -0.001 ppm
Skew : 0.030 ppm
Root delay : 0.002392395 seconds
Root dispersion : 0.001199811 seconds
Update interval : 1039.8 seconds
Leap status : Normal