Re: VM issue causing high CPU loads

From: Yohan
Date: Wed Aug 26 2009 - 07:55:44 EST

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@xxxxxxxxxxxxxxxxxxxxxx> wrote:

Is someone have an idea for that :
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...

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