Re: 2.6.19 -mm merge plans (NTP changes)

From: Roman Zippel
Date: Mon Sep 25 2006 - 13:44:31 EST


On Mon, 25 Sep 2006, Ray Lee wrote:

> On 9/25/06, john stultz <johnstul@xxxxxxxxxx> wrote:
> > I was able to run tests for two days each w/ and w/o the patch I had
> > concerns about. And indeed, it seems if the drift file is reset, the
> > initial convergence is much slower (and this is really what worried me).
> > However once it converges it seems to keep sync as well as the current
> > code.
> So slower convergence isn't a regression?

Not really, it makes the clock more stable and less suspectible to
network delays.
I think a big part of the problem is that our calibration code could use
some improvements, I've seen some widely different initial drift values
from one reboot to the next, which is the main reason ntp has to do that
much initial work in the first place.

bye, Roman
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