diff options
| author |   Marc Zyngier <maz@kernel.org> | 2022-02-08 18:56:03 +0000 |
|---|---|---|
| committer |   Will Deacon <will@kernel.org> | 2022-03-08 13:32:48 +0000 |
| commit | 1280f12f56a15abde23503ba876343e5f201c9c2 (patch) | |
| tree | 490142c08c420d91ffecf9d5d9d4cfe6783ca1ea /include/linux/perf | |
| parent | Merge branch 'irq/aic-pmu' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into for-next/perf-m1 (diff) | |
| download | linux-dev-1280f12f56a15abde23503ba876343e5f201c9c2.tar.xz linux-dev-1280f12f56a15abde23503ba876343e5f201c9c2.zip | |
drivers/perf: arm_pmu: Handle 47 bit counters
The current ARM PMU framework can only deal with 32 or 64bit counters.
Teach it about a 47bit flavour.
Yes, this is odd.
Reviewed-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'include/linux/perf')
| -rw-r--r-- | include/linux/perf/arm_pmu.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h index 2512e2f9cd4e..0407a38b470a 100644 --- a/include/linux/perf/arm_pmu.h +++ b/include/linux/perf/arm_pmu.h @@ -26,6 +26,8 @@ */ /* Event uses a 64bit counter */ #define ARMPMU_EVT_64BIT 1 +/* Event uses a 47bit counter */ +#define ARMPMU_EVT_47BIT 2 #define HW_OP_UNSUPPORTED 0xFFFF #define C(_x) PERF_COUNT_HW_CACHE_##_x |