[ntp:questions] NTP offset doesn't change.

Harlan Stenn stenn at ntp.org
Sun Feb 15 02:33:19 UTC 2015


David Lord writes:
> ... The one big flaw with ntpd is that when motherboard temperature
> changes too quickly the ntpd control loop is broken and ntp offset can
> rise from < 300u to > 10ms.

Assuming the above is true (and I have no reason to doubt David's
numbers) I have to wonder if it would be an appropriate GSoC project to
write something that monitors and tracks available temperature sensors
and correlates temperature (perhaps with the first derivative) with the
resulting effect on clock frequency.

Once a suitable data gathering mechanism was in place, we could then
decide on a way to get this information into ntpd or any other software
package that cared about it.
-- 
Harlan Stenn <stenn at ntp.org>
http://networktimefoundation.org - be a member!



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