Re: Is it a workqueue related issue in 2.6.37 (Was: Re: [libvirt] blkio cgroup [solved])

Tejun Heo
2011-02-24T15:17:19Z

On Thu, Feb 24, 2011 at 03:58:22PM +0100, Dominik Klein wrote:
> Hi
>
> > Hmmm... Maybe the following commit?
> >
> > commit 7576958a9d5a4a677ad7dd40901cdbb6c1110c98
>
> Unfortunately not. This does not fix it for me.
>
> Vivek introduced me to git bisect and I will try to do that tomorrow to
> find the changeset.

Maybe watching what the workqueue is doing using the following trace
events could be helpful.

# grep workqueue /sys/kernel/debug/tracing/available_events
workqueue:workqueue_insertion
workqueue:workqueue_execution
workqueue:workqueue_creation
workqueue:workqueue_destruction

Thanks.

--
tejun