Re: Why is kslowd accumulating so much CPU time?

[David Howells]

Andy Whitcroft <apw@xxxxxxxxxxxxx> wrote:

> I am seeing crunchy cursor behavior on boot on Ubuntu Lucid user space
> with the 2.6.35-rc3 kernel as well.  It pretty much always does that
> on boot, and often later as well.  Right now I have four of these
> chaps each consuming 9% of a CPU.  Though they definatly come and go.
> Very odd:
> 
>   938 root      15  -5     0    0    0 S    9  0.0   1:00.90 kslowd001
>  1048 root      15  -5     0    0    0 S    9  0.0   1:01.12 kslowd002
>   937 root      15  -5     0    0    0 S    8  0.0   1:00.92 kslowd000
>  1544 root      15  -5     0    0    0 D    8  0.0   1:00.55 kslowd003

Can you see what they're doing?

	watch -n0 cat /sys/kernel/debug/slow_work/runqueue

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/