Commit-ID: f8378f5259647710f0b4ecb814b0a1b0d9040de0 Gitweb: http://git.kernel.org/tip/f8378f5259647710f0b4ecb814b0a1b0d9040de0 Author: Andi Kleen <ak@xxxxxxxxxxxxxxx> AuthorDate: Fri, 8 Mar 2013 15:22:48 -0800 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Wed, 10 Apr 2013 15:00:07 +0200 perf/x86: Add Sandy Bridge constraints for CYCLE_ACTIVITY.* Add CYCLE_ACTIVITY.CYCLES_NO_DISPATCH/CYCLES_L1D_PENDING constraints. These recently documented events have restrictions to counter 0-3 and counter 2 respectively. The perf scheduler needs to know that to schedule them correctly. IvyBridge already has the necessary constraints. Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx> Cc: a.p.zijlstra@xxxxxxxxx Cc: Stephane Eranian <eranian@xxxxxxxxxx> Link: http://lkml.kernel.org/r/1362784968-12542-1-git-send-email-andi@xxxxxxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/x86/kernel/cpu/perf_event_intel.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index e84c4ba..2ad2374 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -109,6 +109,8 @@ static struct event_constraint intel_snb_event_constraints[] __read_mostly = INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */ INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */ + INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */ + INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ EVENT_CONSTRAINT_END }; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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