diff options
| author | Besar Wicaksono <bwicaksono@nvidia.com> | 2025-09-30 00:26:01 +0000 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2025-11-03 13:35:07 +0000 |
| commit | a2573bc7908da8e6eb63dc4e449b7c1724e3849b (patch) | |
| tree | 43f27c9fa052292c41a05eb03d7ec01275570f63 | |
| parent | c3d78c34ad009a7cce57ae5b5c93e1bd03bb31a3 (diff) | |
perf/arm_cspmu: Add callback to reset filter config
Implementer may need to reset a filter config when
stopping a counter, thus adding a callback for this.
Reviewed-by: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Besar Wicaksono <bwicaksono@nvidia.com>
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | drivers/perf/arm_cspmu/arm_cspmu.c | 4 | ||||
| -rw-r--r-- | drivers/perf/arm_cspmu/arm_cspmu.h | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c index efa9b229e701..82d7ed6202f1 100644 --- a/drivers/perf/arm_cspmu/arm_cspmu.c +++ b/drivers/perf/arm_cspmu/arm_cspmu.c @@ -815,6 +815,10 @@ static void arm_cspmu_stop(struct perf_event *event, int pmu_flags) return; arm_cspmu_disable_counter(cspmu, hwc->idx); + + if (cspmu->impl.ops.reset_ev_filter) + cspmu->impl.ops.reset_ev_filter(cspmu, event); + arm_cspmu_event_update(event); hwc->state |= PERF_HES_STOPPED | PERF_HES_UPTODATE; diff --git a/drivers/perf/arm_cspmu/arm_cspmu.h b/drivers/perf/arm_cspmu/arm_cspmu.h index 19684b76bd96..23bfc4a58064 100644 --- a/drivers/perf/arm_cspmu/arm_cspmu.h +++ b/drivers/perf/arm_cspmu/arm_cspmu.h @@ -152,11 +152,13 @@ struct arm_cspmu_impl_ops { bool (*is_cycle_counter_event)(const struct perf_event *event); /* Decode event type/id from configs */ u32 (*event_type)(const struct perf_event *event); - /* Set event filters */ + /* Set/reset event filters */ void (*set_cc_filter)(struct arm_cspmu *cspmu, const struct perf_event *event); void (*set_ev_filter)(struct arm_cspmu *cspmu, const struct perf_event *event); + void (*reset_ev_filter)(struct arm_cspmu *cspmu, + const struct perf_event *event); /* Implementation specific event validation */ int (*validate_event)(struct arm_cspmu *cspmu, struct perf_event *event); |