Messages in this thread | | | Date | Wed, 25 Jul 2007 15:05:36 +0200 | From | Ingo Molnar <> | Subject | Re: Pin-pointing the root of unusual application latencies |
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* John Sigler <linux.kernel@free.fr> wrote:
> >With a pair of the following in the middle: > > > >softirq--4 0.... 670us : call_rcu (rt_run_flush) > >softirq--4 0D..1 670us : __rcu_advance_callbacks (call_rcu)
> Any idea what went wrong in the above function trace? Why is the > kernel spinning in circles that way?
does your test-app have higher priority than softirq--4 ?
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