Re: perf crash with tip/perf/core

[Peter Zijlstra]

On Fri, Jun 03, 2016 at 06:27:40PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Jun 03, 2016 at 06:15:15PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Hi Peter,
> > 
> > 	I built what is in tip/perf/core to test the topdown patches
> > from Andi but it is crashing on me, 'perf stat' was ok, but then I tried
> > 'perf trace' and got the NULL deref below, bet 'perf record' will do the same.
> 
> Yeah, just tried with 'perf record usleep 1'  and got:

Does

lkml.kernel.org/r/1464809585-66072-1-git-send-email-davidcc@xxxxxxxxxx

fix it?