doc: document when smoothtime function is activated

This commit is contained in:
Miroslav Lichvar 2015-04-21 14:06:32 +02:00
parent 29b587a9c5
commit f72016a78e

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@ -3058,7 +3058,9 @@ directive or command.
The directive takes two arguments, the maximum frequency offset of the smoothed
time to the tracked NTP time (in ppm) and the maximum rate at which the
frequency offset is allowed to change (in ppm per second).
frequency offset is allowed to change (in ppm per second). The smoothing
process is activated when 1/10000 of the estimated skew of the local clock
falls below the maximum rate of frequency change.
An example suitable for clients using @code{ntpd} and 1024 second polling
interval could be