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List: linux-kernel
Subject: Re: [patch] voluntary-preempt-2.6.8.1-P5
From: Lee Revell <rlrevell () joe-job ! com>
Date: 2004-08-21 9:18:07
Message-ID: 1093079886.854.85.camel () krustophenia ! net
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On Sat, 2004-08-21 at 05:18, Ingo Molnar wrote:
> * Lee Revell <rlrevell@joe-job.com> wrote:
>
> > > > http://krustophenia.net/testresults.php?dataset=2.6.8.1-P6#/var/www/2.6.8.1-P6/trace8.txt
> > >
> > > i suspect if you turn off tracing (or disable it in the kernel
> > > completely) then you'd see below-100 usec latencies here. A trace entry
> > > costs ~0.3 usecs on your box, so this 50-entry trace has roughly 15
> > > usecs of tracing overhead :-)
> > >
> >
> > FWIW, I did see one of these over 200 usecs.
>
> which trace is this?
>
I don't think I was able to save this one. I will post it if I see it
again.
Lee
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