diff mbox series

[RFC,03/14] drivers/perf: apple_m1: Map generic branch events

Message ID 20241203193220.1070811-4-oliver.upton@linux.dev (mailing list archive)
State New
Headers show
Series KVM: arm64: Support FEAT_PMUv3 on Apple hardware | expand

Commit Message

Oliver Upton Dec. 3, 2024, 7:32 p.m. UTC 
Map the generic perf events for branch prediction stats to the
corresponding hardware events.

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
 drivers/perf/apple_m1_cpu_pmu.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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 */