Kernel PLL graphs

Gary E. Miller gem at
Wed Aug 3 19:45:53 UTC 2016

Yo Matthew!

On Wed, 3 Aug 2016 14:49:44 -0400
Matthew Selsky <Matthew.Selsky at> wrote:

> I'm using maxpoll of 1 on my stratum 1 servers.  And I have !NO_HZ
> set.  My offsets stay belong 1 microsecond as reported by ntpq.  If
> we switched the units to nanoseconds, that might be interesting.

chronyc reports to the nanoSec.  ntpd pputs nanoSec in the peerstats
log file.

> I don't have !NO_HZ set on my stratum 2 servers, but I'm looking at
> the ramifications of that.

I found no huge difference, but a reduuction in the odd wild hare
measurement.  Noticeable on chrony-graph.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at  Tel:+1 541 382 8588
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