184 struct pmu {  struct
194 	 * various common per-pmu feature flags  argument
198 	int * __percpu			pmu_disable_count;  argument
199 	struct perf_cpu_context * __percpu pmu_cpu_context;  argument
208 	void (*pmu_enable)		(struct pmu *pmu); /* optional */  argument
209 	void (*pmu_disable)		(struct pmu *pmu); /* optional */  argument
215 	int (*event_init)		(struct perf_event *event);
221 	void (*event_mapped)		(struct perf_event *event); /*optional*/
222 	void (*event_unmapped)		(struct perf_event *event); /*optional*/
232 	int  (*add)			(struct perf_event *event, int flags);
256 	void (*start_txn)		(struct pmu *pmu); /* optional */  argument
263 	int  (*commit_txn)		(struct pmu *pmu); /* optional */  argument
268 	void (*cancel_txn)		(struct pmu *pmu); /* optional */  argument
293 	 * Set up pmu-private data structures for an AUX area  argument
300 	 * Free pmu-private AUX data structures  argument
302 	void (*free_aux)		(void *aux); /* optional */
378 	struct pmu			*pmu;  member
503 	struct pmu			*pmu;  member