Re: Preemptionirqsoff latency issue
From: Davidlohr Bueso
Date: Fri Jan 09 2015 - 21:14:08 EST
On Fri, 2015-01-09 at 20:19 +0530, Vaibhav Shinde wrote:
> My app runs on cpu0, while other cpus looks idle; as per my
> understanding from your comment owner of the mutex is on the cpu other
> than cpu0, and which is causing wait spin on cpu0.
The thing is, cpu0 is rescheduling too often, so you're falling out of
the spinning step.
Thanks,
Davidlohr
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