Messages in this thread | | | Date | Wed, 26 Aug 2009 13:55:34 +0200 | From | Yohan <> | Subject | Re: VM issue causing high CPU loads |
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Mel Gorman wrote: > On Mon, Aug 24, 2009 at 04:21:55PM -0700, Andrew Morton wrote: > >> On Mon, 24 Aug 2009 16:23:22 +0200 >> Yohan <kernel@yohan.staff.proxad.net> wrote: >> >>> Hi, >>> >>> Is someone have an idea for that : >>> >>> http://bugzilla.kernel.org/show_bug.cgi?id=14024 >>> >> Please generate a kernel profile to work out where all the CPU tie is >> being spent. Documentation/basic_profiling.txt is a starting point. >> > In the absense of a profile, here is a total stab in the dark. Is this a > NUMA machine? This is a Intel(R) Xeon(R) CPU E5520 on Dell R610 > If so, is /proc/sys/vm/zone_reclaim_mode set to 1 and does > setting it to 0 help? > The value is already 0...
Thanks
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