Re: Toooo many context switches (maybe SLES8?)

Don't think so, mine is a vanilla kernel from kernel.org

Dave
On Thu, 2004-04-15 at 16:03, Dirk Lutzebaeck wrote:
> Could this be related to the O(1) scheduler backpatches from 2.6 to 2.4
> kernel on newer 2.4er distros (RedHat, SuSE)?
>
>
> Tom Lane wrote:
>
> >Joe Conway <mail@joeconway.com> writes:
> >
> >
> >>>Improve spinlock code for recent x86 processors: insert a PAUSE
> >>>instruction in the s_lock() wait loop, and use test before test-and-set
> >>>in TAS() macro to avoid unnecessary bus traffic.  Patch from Manfred
> >>>Spraul, reworked a bit by Tom.
> >>>
> >>>
> >
> >
> >
> >>I thought this had been committed to the 7.4 stable branch as well, but
> >>it appears not.
> >>
> >>
> >
> >I am currently chasing what seems to be the same issue: massive context
> >swapping on a dual Xeon system.  I tried back-patching the above-mentioned
> >patch ... it helps a little but by no means solves the problem ...
> >
> >            regards, tom lane
> >
> >
> >
>
>
>
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--
Dave Cramer
519 939 0336
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