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client: print tracking delay/dispersion in nanosecond resolution

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Miroslav Lichvar 2017-01-27 10:51:39 +01:00
parent c174566982
commit 2ac1b3d5c4
2 changed files with 11 additions and 14 deletions
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4
client.c
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@ -2215,8 +2215,8 @@ process_cmd_tracking(char *line)
"Frequency : %.3F\n" "Frequency : %.3F\n"
"Residual freq : %+.3f ppm\n" "Residual freq : %+.3f ppm\n"
"Skew : %.3f ppm\n" "Skew : %.3f ppm\n"
"Root delay : %.6f seconds\n" "Root delay : %.9f seconds\n"
"Root dispersion : %.6f seconds\n" "Root dispersion : %.9f seconds\n"
"Update interval : %.1f seconds\n" "Update interval : %.1f seconds\n"
"Leap status : %L\n", "Leap status : %L\n",
(unsigned long)ref_id, name, (unsigned long)ref_id, name,

21
doc/chronyc.adoc
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@ -130,15 +130,15 @@ performance. An example of the output is shown below.
---- ----
Reference ID : CB00710F (foo.example.net) Reference ID : CB00710F (foo.example.net)
Stratum : 3 Stratum : 3
Ref time (UTC) : Fri Feb 3 15:00:29 2012 Ref time (UTC) : Fri Jan 27 09:49:17 2017
System time : 0.000001501 seconds slow of NTP time System time : 0.000006523 seconds slow of NTP time
Last offset : -0.000001632 seconds Last offset : -0.000006747 seconds
RMS offset : 0.000002360 seconds RMS offset : 0.000035822 seconds
Frequency : 331.898 ppm fast Frequency : 3.225 ppm slow
Residual freq : 0.004 ppm Residual freq : -0.000 ppm
Skew : 0.154 ppm Skew : 0.129 ppm
Root delay : 0.373169 seconds Root delay : 0.013639022 seconds
Root dispersion : 0.024780 seconds Root dispersion : 0.001100737 seconds
Update interval : 64.2 seconds Update interval : 64.2 seconds
Leap status : Normal Leap status : Normal
---- ----
@ -187,9 +187,6 @@ The '`frequency`' is the rate by which the system's clock would be wrong if
For example, a value of 1 ppm would mean that when the system's clock thinks it For example, a value of 1 ppm would mean that when the system's clock thinks it
has advanced 1 second, it has actually advanced by 1.000001 seconds relative to has advanced 1 second, it has actually advanced by 1.000001 seconds relative to
true time. true time.
+
As you can see in the example, the clock in the computer is not a very
good one; it would gain about 30 seconds per day if it was not corrected!
*Residual freq*::: *Residual freq*:::
This shows the '`residual frequency`' for the currently selected reference This shows the '`residual frequency`' for the currently selected reference
source. This reflects any difference between what the measurements from the source. This reflects any difference between what the measurements from the