Based on Intel Vol3b (March 2010), the event SNOOPQ_REQUEST_OUTSTANDING
is restricted to counters 0,1 so update the event table for Intel Westmere
accordingly.
Signed-off-by: Stephane Eranian <eran...@google.com>
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c
b/arch/x86/kernel/cpu/perf_event_intel.c
index fdbc652..1f51d7f 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -72,6 +72,7 @@ static struct event_constraint
intel_westmere_event_constraints[] =
INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */
INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
+ INTEL_EVENT_CONSTRAINT(0xb3, 0x1), /* SNOOPQ_REQUEST_OUTSTANDING */
EVENT_CONSTRAINT_END
};
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