Message-Id: <200610181957.k9IJvw4m013149@turing-police.cc.vt.edu>
To: Udo van den Heuvel <udovdh@xs4all.nl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.18 w/ GPS time source: worse performance
In-Reply-To: Your message of "Wed, 18 Oct 2006 18:44:59 +0200."
             <45365A0B.5030306@xs4all.nl>
From: Valdis.Kletnieks@vt.edu
References: <4534F5F7.8020003@xs4all.nl> <1161103616.2919.70.camel@mindpipe> <45364631.9070805@xs4all.nl> <1161189384.15860.85.camel@mindpipe>
            <45365A0B.5030306@xs4all.nl>
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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.

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