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
===============================================================================
#x NMEA 0 0 377 1 +116ms[ +116ms] +/- 1000us
#* PPS 0 3 377 7 -592ns[ -859ns] +/- 484ns
^? 149.22.188.7 2 10 377 205 -5125us[-5126us] +/- 12ms
^? y.ns.gin.ntt.net 2 10 37 443 -3535us[-3571us] +/- 95ms
^? 139.59.177.246 2 9 377 246 -2959us[-2965us] +/- 9140us
^? ntp01.pingless.com 2 10 377 748 -6138us[-6235us] +/- 18ms
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
=======================================================================
x NMEA N ----- ----- 0 1.0 +104ms +107ms N
* PPS N --T-- --T-- 6 1.0 -1249ns +57ns N
T 149.22.188.7 N ----- ----- 204 1.0 -17ms +6053us N
T y.ns.gin.ntt.net N ----- ----- 442 1.0 -82ms +76ms N
T 139.59.177.246 N ----- ----- 246 1.0 -12ms +6239us N
T ntp01.pingless.com N ----- ----- 748 1.0 -24ms +12ms N
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
==============================================================================
NMEA 10 7 9 +308.056 1799.235 +109ms 3243us
PPS 19 12 145 -0.001 0.027 -2ns 1527ns
149.22.188.7 8 4 120m -0.062 0.184 -4972us 202us
y.ns.gin.ntt.net 6 3 138m -0.197 0.474 -2989us 431us
139.59.177.246 10 7 103m -0.162 0.115 -2838us 138us
ntp01.pingless.com 15 11 241m -0.059 0.163 -5937us 669us
Command: chronyc tracking
Reference ID : 50505300 (PPS)
Stratum : 1
Ref time (UTC) : Sat Feb 28 13:59:55 2026
System time : 0.000000329 seconds slow of NTP time
Last offset : -0.000000275 seconds
RMS offset : 0.000000775 seconds
Frequency : 14.741 ppm fast
Residual freq : -0.001 ppm
Skew : 0.030 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000008185 seconds
Update interval : 8.0 seconds
Leap status : Normal