Re: [PATCH] new irq tracer

[Peter Zijlstra]

On Fri, 2009-02-27 at 12:33 +0900, KOSAKI Motohiro wrote:
> 
> I agree with IRQ latency tracing is very important.

Then use the irq-latency tracer, that thing is specifically created to
measure and locate irq-off latency sources.

We've been using it for years in the preempt-rt patch-set.

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