1 files changed, 1 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 61f865f947b..cbfaaa2475e 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -28,6 +28,7 @@ static u64 intel_perfmon_event_map[PERF_COUNT_HW_MAX] __read_mostly =
   [PERF_COUNT_HW_BRANCH_INSTRUCTIONS]   = 0x00c4,
   [PERF_COUNT_HW_BRANCH_MISSES]         = 0x00c5,
   [PERF_COUNT_HW_BUS_CYCLES]            = 0x013c,
+  [PERF_COUNT_HW_REF_CPU_CYCLES]        = 0x0300, /* pseudo-encoding */
 };
 
 static struct event_constraint intel_core_event_constraints[] __read_mostly =