[RFC PATCH 03/14] drivers/perf: apple_m1: Map generic branch events
From: Oliver Upton
Date: Tue Dec 03 2024 - 14:33:23 EST
Map the generic perf events for branch prediction stats to the
corresponding hardware events.
Signed-off-by: Oliver Upton <oliver.upton@xxxxxxxxx>
---
drivers/perf/apple_m1_cpu_pmu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pmu.c
index 2a34523500f8..d6d4ff6da862 100644
--- a/drivers/perf/apple_m1_cpu_pmu.c
+++ b/drivers/perf/apple_m1_cpu_pmu.c
@@ -170,6 +170,8 @@ static const unsigned m1_pmu_perf_map[PERF_COUNT_HW_MAX] = {
PERF_MAP_ALL_UNSUPPORTED,
[PERF_COUNT_HW_CPU_CYCLES] = M1_PMU_PERFCTR_CORE_ACTIVE_CYCLE,
[PERF_COUNT_HW_INSTRUCTIONS] = M1_PMU_PERFCTR_INST_ALL,
+ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = M1_PMU_PERFCTR_INST_BRANCH,
+ [PERF_COUNT_HW_BRANCH_MISSES] = M1_PMU_PERFCTR_BRANCH_MISPRED_NONSPEC,
};
/* sysfs definitions */
--
2.39.5