261 	int (*event_init)		(struct perf_event *event);
267 	void (*event_mapped)		(struct perf_event *event); /*optional*/
268 	void (*event_unmapped)		(struct perf_event *event); /*optional*/
296 	int  (*add)			(struct perf_event *event, int flags);
297 	void (*del)			(struct perf_event *event, int flags);
317 	void (*start)			(struct perf_event *event, int flags);
318 	void (*stop)			(struct perf_event *event, int flags);
326 	void (*read)			(struct perf_event *event);
360 	int (*event_idx)		(struct perf_event *event); /*optional */
376 	u64 (*count)			(struct perf_event *event); /*optional*/
393 	int (*filter_match)		(struct perf_event *event); /* optional */
667 	struct perf_event		*event;  member
712 				   struct perf_event *event);
733 extern const struct perf_event_attr *perf_event_attrs(struct perf_event *event);
741 extern int perf_event_refresh(struct perf_event *event, int refresh);
742 extern void perf_event_update_userpage(struct perf_event *event);
743 extern int perf_event_release_kernel(struct perf_event *event);
752 extern u64 perf_event_read_local(struct perf_event *event);
753 extern u64 perf_event_read_value(struct perf_event *event,
823 			       struct perf_event *event);
826 				struct perf_event *event,
829 extern int perf_event_overflow(struct perf_event *event,
833 extern void perf_event_output(struct perf_event *event,
840 			   struct perf_event *event);
842 perf_event__output_id_sample(struct perf_event *event,
847 perf_log_lost_samples(struct perf_event *event, u64 lost);
849 static inline bool is_sampling_event(struct perf_event *event)  in is_sampling_event()  argument
851 	return event->attr.sample_period != 0;  in is_sampling_event()
857 static inline int is_software_event(struct perf_event *event)  in is_software_event()  argument
859 	return event->pmu->task_ctx_nr == perf_sw_context;  in is_software_event()
951 static inline u64 __perf_event_count(struct perf_event *event)  in __perf_event_count()  argument
953 	return local64_read(&event->count) + atomic64_read(&event->child_count);  in __perf_event_count()
1012 extern void perf_bp_event(struct perf_event *event, void *data);
1020 static inline bool has_branch_stack(struct perf_event *event)  in has_branch_stack()  argument
1022 	return event->attr.sample_type & PERF_SAMPLE_BRANCH_STACK;  in has_branch_stack()
1025 static inline bool needs_branch_stack(struct perf_event *event)  in needs_branch_stack()  argument
1027 	return event->attr.branch_sample_type != 0;  in needs_branch_stack()
1030 static inline bool has_aux(struct perf_event *event)  in has_aux()  argument
1032 	return event->pmu->setup_aux;  in has_aux()
1036 			     struct perf_event *event, unsigned int size);
1044 extern u64 perf_swevent_set_period(struct perf_event *event);
1045 extern void perf_event_enable(struct perf_event *event);
1046 extern void perf_event_disable(struct perf_event *event);
1052 		      struct perf_event *event)				{ return NULL; }  in perf_aux_output_begin()  argument
1074 static inline const struct perf_event_attr *perf_event_attrs(struct perf_event *event)  in perf_event_attrs()  argument
1078 static inline u64 perf_event_read_local(struct perf_event *event)	{ return -EINVAL; }  in perf_event_read_local()  argument
1082 static inline int perf_event_refresh(struct perf_event *event, int refresh)  in perf_event_refresh()  argument
1092 perf_bp_event(struct perf_event *event, void *data)			{ }  in perf_bp_event()  argument
1106 static inline u64 perf_swevent_set_period(struct perf_event *event)	{ return 0; }  in perf_swevent_set_period()  argument
1107 static inline void perf_event_enable(struct perf_event *event)		{ }  in perf_event_enable()  argument
1108 static inline void perf_event_disable(struct perf_event *event)		{ }  in perf_event_disable()  argument
1111 static inline int perf_event_release_kernel(struct perf_event *event)	{ return 0; }  in perf_event_release_kernel()  argument