Messages in this thread | | | Date | Wed, 10 Sep 2014 16:22:32 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 2/2] perf, x86: Use INTEL_FLAGS_UEVENT_CONSTRAINT for PRECDIST |
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On Wed, Sep 10, 2014 at 07:02:58AM -0700, Andi Kleen 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? > > I wasn't able to confirm their behavior explicitly, so I felt > it best to leave them alone. > > But in principle adding the _FLAGS changes there too would > make sense too.
Yeah please do that patch ASAP, having PEBS behave differently across uarchs is wrong.
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