}
again:
- ret = -ENOENT;
rcu_read_lock();
pmu = idr_find(&pmu_idr, type);
rcu_read_unlock();
- if (!pmu)
- goto fail;
+ if (pmu) {
+ if (event->attr.type != type && type != PERF_TYPE_RAW &&
+ !(pmu->capabilities & PERF_PMU_CAP_EXTENDED_HW_TYPE))
+ goto fail;
- if (event->attr.type != type && type != PERF_TYPE_RAW &&
- !(pmu->capabilities & PERF_PMU_CAP_EXTENDED_HW_TYPE))
- goto fail;
+ ret = perf_try_init_event(pmu, event);
+ if (ret == -ENOENT && event->attr.type != type && !extended_type) {
+ type = event->attr.type;
+ goto again;
+ }
- ret = perf_try_init_event(pmu, event);
- if (ret == -ENOENT && event->attr.type != type && !extended_type) {
- type = event->attr.type;
- goto again;
+ if (ret)
+ pmu = ERR_PTR(ret);
+
+ goto unlock;
}
-fail:
- if (ret)
- pmu = ERR_PTR(ret);
+ list_for_each_entry_rcu(pmu, &pmus, entry, lockdep_is_held(&pmus_srcu)) {
+ ret = perf_try_init_event(pmu, event);
+ if (!ret)
+ goto unlock;
+ if (ret != -ENOENT) {
+ pmu = ERR_PTR(ret);
+ goto unlock;
+ }
+ }
+fail:
+ pmu = ERR_PTR(-ENOENT);
unlock:
srcu_read_unlock(&pmus_srcu, idx);