Messages in this thread | | | Date | Wed, 10 Sep 2014 10:37:14 +0200 | Subject | Re: [PATCH 2/2] perf, x86: Use INTEL_FLAGS_UEVENT_CONSTRAINT for PRECDIST | From | Stephane Eranian <> |
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On Wed, Sep 10, 2014 at 9:59 AM, Peter Zijlstra <peterz@infradead.org> wrote: > On Wed, Sep 10, 2014 at 09:59:26AM +0200, Peter Zijlstra wrote: >> On Tue, Sep 09, 2014 at 05:49:08PM -0700, Andi Kleen wrote: >> > From: Andi Kleen <ak@linux.intel.com> >> > >> > The earlier commit 86a04461a made near all PEBS on >> > Sandy/IvyBridge/Haswell to reject non zero flags. >> >> What's magic about nehalem and westmere? > > And core2 and whatever else we support PEBS for, for that matter.
nhm, wsm, core2 do not have precise distribution (PREC_DIST) umask to inst_Retired.
But as I said before, PEBS events do not support any filters. cycles -> uops_retired:any_inv=1:cmask=1 being an exception.
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