Re: workaround/blacklist/exclude perf?

On Tue, Oct 08, 2013 at 01:31:59PM -0400, Dave Jones wrote:
> On Tue, Oct 08, 2013 at 06:22:09PM +0300, Mikko Rapeli wrote:
>  > Is there some simple trick to exclude a single test case which produces
>  > an oops?
>  > 
>  > I'm hitting one of the perf issues after few minutes but would like to
>  > continue testing other kernel subsystems.
> 
> The perf bugs are nasty.  You can try -x perf_event_open, (and also edit
> open_perf_fds in perf.c to just return instantly, but in my experience even
> with this, somehow we still end up triggering perf stuff. I've no explanation for it.

Thanks, trying this but will follow the lkml thread
( https://lkml.org/lkml/2013/10/8/527 ) too if there's something more that
can be done.

-Mikko