Re: perf: odd event scheduling issue

Jiri Olsa
2015-05-20T07:11:49Z

On Wed, May 20, 2015 at 09:00:57AM +0200, Peter Zijlstra wrote:
> On Tue, May 19, 2015 at 11:07:09PM -0400, Vince Weaver wrote:
> > Hello
> >
> > so I'm running 4.1-rc4 on my Haswell machine and a lot of my perf_event
> > testsuite is failing. There seems to be weird event scheduling issues.
> >
> > I can reproduce it with plain perf; simple event groups that should work
> > fine can't be scheduled.
> >
> > vince@haswell:~$ perf stat -e \{cycles,instructions\} sleep 1
> >
>
> Hmm indeed, my ivb-ep does the same thing. Lemme go poke at that.

snb is ok

jirka