struct rcu_head rcu_head;
};
+#define PERF_ATTACH_CONTEXT 0x01
+#define PERF_ATTACH_GROUP 0x02
+
/**
* struct perf_event - performance event kernel representation:
*/
const struct pmu *pmu;
enum perf_event_active_state state;
+ unsigned int attach_state;
atomic64_t count;
/*