Re: NOHZ: local_softirq_pending 10

From: Peter Zijlstra
Date: Thu Jun 11 2009 - 11:12:12 EST


On Thu, 2009-06-11 at 17:05 +0200, Udo van den Heuvel wrote:
> Hello,
>
> I found a few of these in my 2.6.29.4-rt16 logs:
>
> NOHZ: local_softirq_pending 10
>
> Are they rt-related?
> (I saw them in older kernels without -rt as well)
> How serious? How to fix?

Not really serious, but curious, that appears to be BLOCK_SOFTIRQ, and
the only one I suspected to trigger this would be HRTIMER_SOFTIRQ.

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