[ntp:questions] ntp.drift file

David Lord snews at lordynet.org
Thu Dec 9 00:58:41 UTC 2010

Pawe³ Stankowski wrote:
> Hi all,
> I want to ask what information ntp.drift file contains? Is it a
> parameter which I can read from ntp daemon? And when the file is
> rewriting?

Ntp.drift is updated at intervals with the frequency offset in
ppm. The file contains a single line.

$ cat /var/db/ntpd.drift

$ ntpdc -c loopinfo
offset:           -0.000128 s
frequency:        -2.546 ppm
poll adjust:      30
watchdog timer:   1642 s


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