mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-22 07:53:11 -05:00
Code Activity

drivers/perf: apple_m1: Map generic branch events

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

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Tested-by: Janne Grunau <j@jannau.net>
Link: https://lore.kernel.org/r/20241217212048.3709204-4-oliver.upton@linux.dev
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Oliver Upton 2024-12-17 13:20:33 -08:00 committed by Will Deacon
parent 555c6e9b03
commit 4575353d82
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/perf/apple_m1_cpu_pmu.c
View file

@ -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 */