Re: 2.6.37 kernel warning in perf_events code

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Em Thu, Feb 10, 2011 at 12:02:20PM -0800, Arun Sharma escreveu:
> On Thu, Feb 10, 2011 at 11:08 AM, Arnaldo Carvalho de Melo
> <acme@xxxxxxxxxx> wrote:
> > Em Wed, Feb 09, 2011 at 06:50:09PM -0800, Arun Sharma escreveu:
> >> [ Not sure if this is known and fixed in newer kernels. My machine
> >> becomes unusable after this warning triggers ]
> >>
> >> perf record -g -p <pid> cs -o csw.data -- sleep 3

Arun, are you shure the above line is right? I guess it should read:

perf record -g -p <pid> -e cs -o csw.data -- sleep 3

To specify the context switches soft event, right?

> > What kernel are you using? Peter, rings any bells?
> 
> Stock 2.6.37.

- Arnaldo
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