Re: perf: odd event scheduling issue

[Peter Zijlstra]

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.
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