linux-kernel - Re: 2.6.18 w/ GPS time source: worse performance

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Message-ID: <4537883F.4000305@xs4all.nl>
Date:	Thu, 19 Oct 2006 16:14:23 +0200
From:	Udo van den Heuvel <udovdh@...all.nl>
To:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.18 w/ GPS time source: worse performance

Valdis.Kletnieks@...edu wrote:
> On Wed, 18 Oct 2006 18:44:59 +0200, Udo van den Heuvel said:
>> It is stuff that is visible by watching ntpq -pn output, by letting mrtg
>> graph stuff, etc. Watch the offset and jitter collumns.
>> Check /usr/sbin/ntpdc -c kerninfo output. Graph that stuff.
> 
> So... you've presumably done that while identifying there is an issue.
> Please share the results.  Have you tried booting back into a 2.6.17
> or so and seen offset/jitter improve?  etc etc etc.

Did not yet try 2.6.17 again since I only shortly have been looking into
this issue.
Other people also see worse performance with 2.6.18 so the need to do
the 2.6.17 thing is a bit less.
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