Messages in this thread |  | | Date | Thu, 3 Dec 2015 13:44:42 -0800 | | Subject | Re: [PATCH v2 2/2] perf/x86: enable cycles:pp for Intel Atom | | From | Stephane Eranian <> |
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On Thu, Dec 3, 2015 at 12:14 PM, Andi Kleen <ak@linux.intel.com> wrote: > > > /* INST_RETIRED.ANY_P, inv=1, cmask=16 (cycles:p). */ > > INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x01), > > + /* Allow all events as PEBS with no flags */ > > + INTEL_ALL_EVENT_CONSTRAINT(0, 0x1), > > I don't think this is really needed (no extra PEBS events), but ok it shouldn't > hurt either. > Has to do with consistent behavior. Do not get an error if trying PEBS on non-PEBS event, like for the other CPUs.
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