Re: [PATCH] vmstat: on demand updates from differentials V7

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On Tue, Jun 03, 2014 at 11:38:02AM -0500, Christoph Lameter wrote:
> On Tue, 3 Jun 2014, Frederic Weisbecker wrote:
> 
> > So after the cpumask_var_t conversion I have no other concern except
> 
> Is there some way to observe which worker threads are queued on which
> processor? I see nothing in /sys/devices/virtual/workqueues (urg should be
> /sys/kernel/workqueues) that shows that?

Yeah you can see that with workqueue tracing events.

Check out /sys/kernel/debug/tracing/events/workqueue/ and more specifically
workqueue_execute_start/ and workqueue_queue_work/.

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