[PATCH 3/9] drivers/perf: Remove redundant macro and functions in SMMU PMU driver
From: Qi Liu <hidden>
Date: 2021-05-18 07:24:00
Also in:
lkml
Subsystem:
arm pmu profiling and debugging, the rest · Maintainers:
Will Deacon, Mark Rutland, Linus Torvalds
Remove SMMU_EVENT_ATTR and smmu_event_sysfs_show(), as there is a general function for this. Signed-off-by: Qi Liu <redacted> --- drivers/perf/arm_smmuv3_pmu.c | 33 ++++++++------------------------- 1 file changed, 8 insertions(+), 25 deletions(-)
diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
index ff6fab4..9d745a1 100644
--- a/drivers/perf/arm_smmuv3_pmu.c
+++ b/drivers/perf/arm_smmuv3_pmu.c@@ -498,32 +498,15 @@ static const struct attribute_group smmu_pmu_cpumask_group = { }; /* Events */ - -static ssize_t smmu_pmu_event_show(struct device *dev, - struct device_attribute *attr, char *page) -{ - struct perf_pmu_events_attr *pmu_attr; - - pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr); - - return sysfs_emit(page, "event=0x%02llx\n", pmu_attr->id); -} - -#define SMMU_EVENT_ATTR(name, config) \ - (&((struct perf_pmu_events_attr) { \ - .attr = __ATTR(name, 0444, smmu_pmu_event_show, NULL), \ - .id = config, \ - }).attr.attr) - static struct attribute *smmu_pmu_events[] = { - SMMU_EVENT_ATTR(cycles, 0), - SMMU_EVENT_ATTR(transaction, 1), - SMMU_EVENT_ATTR(tlb_miss, 2), - SMMU_EVENT_ATTR(config_cache_miss, 3), - SMMU_EVENT_ATTR(trans_table_walk_access, 4), - SMMU_EVENT_ATTR(config_struct_access, 5), - SMMU_EVENT_ATTR(pcie_ats_trans_rq, 6), - SMMU_EVENT_ATTR(pcie_ats_trans_passed, 7), + PMU_EVENT_ATTR_ID(cycles, 0), + PMU_EVENT_ATTR_ID(transaction, 1), + PMU_EVENT_ATTR_ID(tlb_miss, 2), + PMU_EVENT_ATTR_ID(config_cache_miss, 3), + PMU_EVENT_ATTR_ID(trans_table_walk_access, 4), + PMU_EVENT_ATTR_ID(config_struct_access, 5), + PMU_EVENT_ATTR_ID(pcie_ats_trans_rq, 6), + PMU_EVENT_ATTR_ID(pcie_ats_trans_passed, 7), NULL };
--
2.7.4
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