Messages in this thread | | | Date | Fri, 8 Jun 2012 18:53:19 +0200 | From | Andi Kleen <> | Subject | Re: perf user tool precise attribute broken in 3.5rc1+ |
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On Fri, Jun 08, 2012 at 12:48:14PM -0300, Arnaldo Carvalho de Melo wrote: > Em Fri, Jun 08, 2012 at 05:10:09AM +0200, Andi Kleen escreveu: > > > Are you sure the old one works? Perhaps it silently falls back to > > > cpu-clock? > > > Yes i'm sure. I was actually debugging some kernel pebs code, > > and had a heavily instrumented pebs code path and was first trying > > to figure out what went wrong in the kernel, until I realized > > that the userland was broken. > > > > Does :p work for anyone else? > > It seems to work for Linus on Ivy Bridge with what is on tip/perf/urgent
Hmm, maybe some local problem. I'll do some debugging and a bisect.
-Andi
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