Re: 2.4.10-ac10-preempt lmbench output.

From: safemode (
Date: Wed Oct 10 2001 - 18:42:31 EST

On Wednesday 10 October 2001 09:36, Andrea Arcangeli wrote:
> On Wed, Oct 10, 2001 at 08:00:04AM -0400, safemode wrote:
> > OK, i copied the mp3 into /dev/shm and without any renicing of anything
> > it plays fine during dbench 32. so the problem is disk access taking too
> > long.
> >
> > Which is strange since i'm running dbench on a separate hdd on a totally
> > different controller.
> then if you know it's not disk congestion, it's most probably due the vm
> write throttling.
> Andrea

How is it that a process at the same priority as allowed to throttle the
kernel's vm and starve other processes at the same priority. That sounds
like dbench is being allowed to preempt other processes at the same priority.
 even if it is indirect preemption. The effect is the same.
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