1 files changed, 6 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index e61539b07d2c..7cf2ec59c813 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1474,6 +1474,12 @@ static __init int intel_pmu_init(void)
 
                 x86_pmu.event_constraints = intel_snb_event_constraints;
                 x86_pmu.pebs_constraints = intel_snb_pebs_events;
+
+                /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */
+                intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x180010e;
+                /* UOPS_DISPATCHED.THREAD,c=1,i=1 to count stall cycles*/
+                intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 0x18001b1;
+
                 pr_cont("SandyBridge events, ");
                 break;