755 	int (*event_init)		(struct perf_event *event);
765 	int  (*add)			(struct perf_event *event, int flags);
766 	void (*del)			(struct perf_event *event, int flags);
773 	void (*start)			(struct perf_event *event, int flags);
774 	void (*stop)			(struct perf_event *event, int flags);
779 	void (*read)			(struct perf_event *event);
807 	int (*event_idx)		(struct perf_event *event); /*optional */
1071 	struct perf_event		*event;  member
1099 extern int perf_event_refresh(struct perf_event *event, int refresh);
1100 extern void perf_event_update_userpage(struct perf_event *event);
1101 extern int perf_event_release_kernel(struct perf_event *event);
1108 extern u64 perf_event_read_value(struct perf_event *event,
1144 			       struct perf_event *event);
1147 				struct perf_event *event,
1150 extern int perf_event_overflow(struct perf_event *event,
1154 static inline bool is_sampling_event(struct perf_event *event)  in is_sampling_event()  argument
1156 	return event->attr.sample_period != 0;  in is_sampling_event()
1162 static inline int is_software_event(struct perf_event *event)  in is_software_event()  argument
1164 	return event->pmu->task_ctx_nr == perf_sw_context;  in is_software_event()
1274 extern void perf_bp_event(struct perf_event *event, void *data);
1282 static inline bool has_branch_stack(struct perf_event *event)  in has_branch_stack()  argument
1284 	return event->attr.sample_type & PERF_SAMPLE_BRANCH_STACK;  in has_branch_stack()
1288 			     struct perf_event *event, unsigned int size);
1294 extern void perf_event_enable(struct perf_event *event);
1295 extern void perf_event_disable(struct perf_event *event);
1311 static inline int perf_event_refresh(struct perf_event *event, int refresh)  in perf_event_refresh()  argument
1319 perf_bp_event(struct perf_event *event, void *data)			{ }  in perf_bp_event()  argument
1332 static inline void perf_event_enable(struct perf_event *event)		{ }  in perf_event_enable()  argument
1333 static inline void perf_event_disable(struct perf_event *event)		{ }  in perf_event_disable()  argument