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Re: [.32-rc3] scheduler: iwlagn consistently high in "waiting for CPU"

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On Thu, 08 Oct 2009 13:24:22 +0200
Mike Galbraith <efault@xxxxxx> wrote:
> Latencytop was accounting uninterruptible and interruptible sleep
> time up to 5ms, which is not the latency the user is looking for.

it is for everything but the scheduler latency!

latencytop wants to show where you're waiting for disk, etc etc.
that's not "time on runqueue".

for the scheduler delays a whole different codepath is used!




-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
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