197 struct perf_event;
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 */
410 typedef void (*perf_overflow_handler_t)(struct perf_event *,
437 struct perf_event {  struct
468 	struct perf_event		*group_leader;  argument
533 	struct perf_event		*parent;  argument
562 	void (*destroy)(struct perf_event *);  argument
667 	struct perf_event		*event;
712 				   struct perf_event *event);
732 extern struct perf_event *perf_event_get(unsigned int fd);
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);
744 extern struct perf_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()
857 static inline int is_software_event(struct perf_event *event)  in is_software_event()
951 static inline u64 __perf_event_count(struct perf_event *event)  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()
1025 static inline bool needs_branch_stack(struct perf_event *event)  in needs_branch_stack()
1030 static inline bool has_aux(struct perf_event *event)  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()
1073 static inline struct perf_event *perf_event_get(unsigned int fd)	{ return ERR_PTR(-EINVAL); }  in perf_event_get()
1074 static inline const struct perf_event_attr *perf_event_attrs(struct perf_event *event)  in perf_event_attrs()
1078 static inline u64 perf_event_read_local(struct perf_event *event)	{ return -EINVAL; }  in perf_event_read_local()
1082 static inline int perf_event_refresh(struct perf_event *event, int refresh)  in perf_event_refresh()
1092 perf_bp_event(struct perf_event *event, void *data)			{ }  in perf_bp_event()
1106 static inline u64 perf_swevent_set_period(struct perf_event *event)	{ return 0; }  in perf_swevent_set_period()
1107 static inline void perf_event_enable(struct perf_event *event)		{ }  in perf_event_enable()
1108 static inline void perf_event_disable(struct perf_event *event)		{ }  in perf_event_disable()
1111 static inline int perf_event_release_kernel(struct perf_event *event)	{ return 0; }  in perf_event_release_kernel()