615 struct pmu {  struct
622 	int * __percpu			pmu_disable_count;  argument
623 	struct perf_cpu_context * __percpu pmu_cpu_context;  argument
630 	void (*pmu_enable)		(struct pmu *pmu); /* optional */  argument
631 	void (*pmu_disable)		(struct pmu *pmu); /* optional */  argument
637 	int (*event_init)		(struct perf_event *event);
647 	int  (*add)			(struct perf_event *event, int flags);
671 	void (*start_txn)		(struct pmu *pmu); /* optional */  argument
678 	int  (*commit_txn)		(struct pmu *pmu); /* optional */  argument
683 	void (*cancel_txn)		(struct pmu *pmu); /* optional */  argument
749 	struct pmu			*pmu;  member
874 	struct pmu			*pmu;  member