Commit-ID: 7550ddffe4c8040db31c66e5bd64531e2916bbf1 Gitweb: http://git.kernel.org/tip/7550ddffe4c8040db31c66e5bd64531e2916bbf1 Author: Andi Kleen <a...@linux.intel.com> AuthorDate: Wed, 24 Sep 2014 07:34:46 -0700 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Sun, 16 Nov 2014 11:41:54 +0100
perf/x86: Add INTEL_FLAGS_UEVENT_CONSTRAINT Add a FLAGS_UEVENT_CONSTRAINT macro that allows us to match on event+umask, and in additional all flags. This is needed to ensure the INV and CMASK fields are zero for specific events, as this can cause undefined behavior. Signed-off-by: Andi Kleen <a...@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org> Cc: Kan Liang <kan.li...@intel.com> Cc: Maria Dimakopoulou <maria.n.dimakopou...@gmail.com> Cc: Mark Davies <j...@eslaf.co.uk> Cc: Stephane Eranian <eran...@google.com> Link: http://lkml.kernel.org/r/1411569288-5627-1-git-send-email-a...@firstfloor.org Signed-off-by: Ingo Molnar <mi...@kernel.org> --- arch/x86/kernel/cpu/perf_event.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index fc5eb39..4e6cdb0 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -253,6 +253,10 @@ struct cpu_hw_events { #define INTEL_UEVENT_CONSTRAINT(c, n) \ EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK) +/* Like UEVENT_CONSTRAINT, but match flags too */ +#define INTEL_FLAGS_UEVENT_CONSTRAINT(c, n) \ + EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS) + #define INTEL_PLD_CONSTRAINT(c, n) \ __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \ HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LDLAT) -- 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/
