Commit 4575353d authored by Oliver Upton's avatar Oliver Upton Committed by Will Deacon
Browse files

drivers/perf: apple_m1: Map generic branch events 



Map the generic perf events for branch prediction stats to the
corresponding hardware events.

Signed-off-by: default avatarOliver Upton <oliver.upton@linux.dev>
Tested-by: default avatarJanne Grunau <j@jannau.net>
Link: https://lore.kernel.org/r/20241217212048.3709204-4-oliver.upton@linux.dev


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 555c6e9b

drivers/perf/apple_m1_cpu_pmu.c

+2 −0
Original line number Diff line number Diff line
@@ -168,6 +168,8 @@ 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 */