On Tue, Dec 01, 2015 at 02:41:51PM +0100, Peter Zijlstra wrote: > On Mon, Nov 30, 2015 at 04:28:09PM -0800, Andi Kleen wrote: > > diff --git a/arch/x86/kernel/cpu/perf_event.c > > b/arch/x86/kernel/cpu/perf_event.c > > index 9dfbba5..ba41899 100644 > > --- a/arch/x86/kernel/cpu/perf_event.c > > +++ b/arch/x86/kernel/cpu/perf_event.c > > @@ -482,6 +482,9 @@ int x86_pmu_hw_config(struct perf_event *event) > > /* Support for IP fixup */ > > if (x86_pmu.lbr_nr || x86_pmu.intel_cap.pebs_format >= > > 2) > > precise++; > > + > > + if (x86_pmu.pebs_aliases) > > + precise++; > > This is not accurate, it would allow :ppp for core2 for example, which > does not at all support PREC_DIST events. > > Something like so on top?
Yes that's fine. Thanks. Are you just applying it with that change, or should I resend a combined patch? -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
