Chrony Graphs [Data Legend]

Day
Week
Month
Chrony server statistics graph - day
Chrony system clock offset graph - day
Chrony system clock tracking graph - day
Chrony sync delay graph - day
Chrony clock frequency graph - day
Chrony clock frequency drift graph - day
Chrony server statistics graph - week
Chrony system clock offset graph - week
Chrony system clock tracking graph - week
Chrony sync delay graph - week
Chrony clock frequency graph - week
Chrony clock frequency drift graph - week
Chrony server statistics graph - month
Chrony system clock offset graph - month
Chrony system clock tracking graph - month
Chrony sync delay graph - month
Chrony clock frequency graph - month
Chrony clock frequency drift graph - month

Chrony - NTP Statistics

Command: chronyc -n 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               
===============================================================================
#* PPS                           0   4   377    12   +673ns[ +671ns] +/-  411ns
^- 2606:4700:f1::1               3  10   377   447   -240us[ -239us] +/- 4182us
^- 2001:14b8:1000::5             2   7   377    95   -164us[ -164us] +/- 3801us
^- 135.181.151.153               2  10   377   126   -222us[ -222us] +/- 2774us
^- 178.251.154.103               2  10   377   441    -70us[  -69us] +/- 1904us
^- 194.100.49.152                2  10   377   159    -89us[  -88us] +/- 2159us

Command: chronyc -n 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
=======================================================================
* PPS                       N -P--- -P---    7   1.0 -1077ns  -325ns  N
P 2606:4700:f1::1           N ----- -----  442   1.0 -4456us +3879us  N
P 2001:14b8:1000::5         N ----- -----   90   1.0 -3416us +3080us  N
P 135.181.151.153           N ----- -----  120   1.0 -2723us +2385us  N
P 178.251.154.103           N ----- -----  436   1.0 -1473us +1369us  N
P 194.100.49.152            N ----- -----  154   1.0 -1739us +1754us  N

Command: chronyc -n 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
==============================================================================
PPS                        14   7   209     -0.000      0.007     -1ns   410ns
2606:4700:f1::1            17   9  293m     +0.011      0.009   -265us    44us
2001:14b8:1000::5           6   3   649     -0.042      0.164   -176us    12us
135.181.151.153             9   4  138m     +0.017      0.033   -174us    51us
178.251.154.103             7   6  103m     +0.017      0.012    -59us    10us
194.100.49.152             12   7  189m     +0.019      0.014    -44us    42us

Command: chronyc -n tracking

Reference ID    : 50505300 (PPS)
Stratum         : 1
Ref time (UTC)  : Mon Sep 14 07:14:38 2026
System time     : 0.000000007 seconds slow of NTP time
Last offset     : -0.000000007 seconds
RMS offset      : 0.000000296 seconds
Frequency       : 8.199 ppm fast
Residual freq   : -0.000 ppm
Skew            : 0.008 ppm
Root delay      : 0.000000001 seconds
Root dispersion : 0.000013132 seconds
Update interval : 16.0 seconds
Leap status     : Normal