Re: Why is kslowd accumulating so much CPU time?

From: David Howells
Date: Wed Jun 09 2010 - 15:00:57 EST


David Howells <dhowells@xxxxxxxxxx> wrote:

> > Is there any way to easily see what is scheduling themselves to use the
> > slow workqueue?
>
> Slow work has debugging. Turn on:
>
> CONFIG_SLOW_WORK_DEBUG=y
>
> then do:
>
> watch -n0 cat /sys/kernel/debug/slow_work/runqueue

I documented this, of course. Look in:

Documentation/slow-work.txt

in section "VIEWING EXECUTING AND QUEUED ITEMS".

David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/