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drivers/perf: Simplify the SMMUv3 PMU event attributes

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For each PMU event, there is a SMMU_EVENT_ATTR(xx, XX) and
&smmu_event_attr_xx.attr.attr. Let's redefine the SMMU_EVENT_ATTR
to simplify the smmu_pmu_events.

Signed-off-by: Qi Liu <liuqi115@huawei.com>
Link: https://lore.kernel.org/r/1612789498-12957-1-git-send-email-liuqi115@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Qi Liu 2021-02-08 21:04:58 +08:00 committed by Will Deacon
parent fb62d67586
commit 174744136d
1 changed files with 13 additions and 19 deletions
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32
drivers/perf/arm_smmuv3_pmu.c
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@ -509,27 +509,21 @@ static ssize_t smmu_pmu_event_show(struct device *dev,
return sysfs_emit(page, "event=0x%02llx\n", pmu_attr->id);
}
#define SMMU_EVENT_ATTR(name, config) \
PMU_EVENT_ATTR(name, smmu_event_attr_##name, \
config, smmu_pmu_event_show)
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);
#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.attr.attr,
&smmu_event_attr_transaction.attr.attr,
&smmu_event_attr_tlb_miss.attr.attr,
&smmu_event_attr_config_cache_miss.attr.attr,
&smmu_event_attr_trans_table_walk_access.attr.attr,
&smmu_event_attr_config_struct_access.attr.attr,
&smmu_event_attr_pcie_ats_trans_rq.attr.attr,
&smmu_event_attr_pcie_ats_trans_passed.attr.attr,
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),
NULL
};