252 struct perf_event;
325 	int (*event_init)		(struct perf_event *event);
331 	void (*event_mapped)		(struct perf_event *event, struct mm_struct *mm); /* optional */
332 	void (*event_unmapped)		(struct perf_event *event, struct mm_struct *mm); /* optional */
360 	int  (*add)			(struct perf_event *event, int flags);
361 	void (*del)			(struct perf_event *event, int flags);
381 	void (*start)			(struct perf_event *event, int flags);
382 	void (*stop)			(struct perf_event *event, int flags);
390 	void (*read)			(struct perf_event *event);
424 	int (*event_idx)		(struct perf_event *event); /*optional */
450 	void *(*setup_aux)		(struct perf_event *event, void **pages,
468 	long (*snapshot_aux)		(struct perf_event *event,
494 	void (*addr_filters_sync)	(struct perf_event *event);
504 	int (*aux_output_match)		(struct perf_event *event);
510 	int (*filter_match)		(struct perf_event *event); /* optional */
515 	int (*check_period)		(struct perf_event *event, u64 value); /* optional */
578 typedef void (*perf_overflow_handler_t)(struct perf_event *,
625 struct perf_event {  struct
661 	struct perf_event		*group_leader;  argument
711 	struct perf_event		*parent;  argument
747 	struct perf_event		*aux_event;  argument
749 	void (*destroy)(struct perf_event *);  argument
883 	struct perf_event		**heap;
884 	struct perf_event		*heap_default[2];
888 	struct perf_event		*event;
903 	struct perf_event *event;
940 				   struct perf_event *event);
947 extern void perf_event_itrace_started(struct perf_event *event);
963 extern const struct perf_event *perf_get_event(struct file *file);
964 extern const struct perf_event_attr *perf_event_attrs(struct perf_event *event);
975 extern int perf_event_refresh(struct perf_event *event, int refresh);
976 extern void perf_event_update_userpage(struct perf_event *event);
977 extern int perf_event_release_kernel(struct perf_event *event);
978 extern struct perf_event *
986 int perf_event_read_local(struct perf_event *event, u64 *value,
988 extern u64 perf_event_read_value(struct perf_event *event,
1056 			       struct perf_event *event);
1059 				struct perf_event *event,
1062 extern int perf_event_overflow(struct perf_event *event,
1066 extern void perf_event_output_forward(struct perf_event *event,
1069 extern void perf_event_output_backward(struct perf_event *event,
1072 extern int perf_event_output(struct perf_event *event,
1077 is_default_overflow_handler(struct perf_event *event)  in is_default_overflow_handler()
1089 			   struct perf_event *event);
1091 perf_event__output_id_sample(struct perf_event *event,
1096 perf_log_lost_samples(struct perf_event *event, u64 lost);
1098 static inline bool event_has_any_exclude_flag(struct perf_event *event)  in event_has_any_exclude_flag()
1107 static inline bool is_sampling_event(struct perf_event *event)  in is_sampling_event()
1115 static inline int is_software_event(struct perf_event *event)  in is_software_event()
1123 static inline int in_software_context(struct perf_event *event)  in in_software_context()
1254 extern struct perf_callchain_entry *perf_callchain(struct perf_event *event, struct pt_regs *regs);
1344 extern void perf_bp_event(struct perf_event *event, void *data);
1355 static inline bool has_branch_stack(struct perf_event *event)  in has_branch_stack()
1360 static inline bool needs_branch_stack(struct perf_event *event)  in needs_branch_stack()
1365 static inline bool has_aux(struct perf_event *event)  in has_aux()
1370 static inline bool is_write_backward(struct perf_event *event)  in is_write_backward()
1375 static inline bool has_addr_filter(struct perf_event *event)  in has_addr_filter()
1384 perf_event_addr_filters(struct perf_event *event)  in perf_event_addr_filters()
1394 extern void perf_event_addr_filters_sync(struct perf_event *event);
1398 			     struct perf_event *event, unsigned int size);
1401 				     struct perf_event *event,
1405 				      struct perf_event *event,
1418 extern u64 perf_swevent_set_period(struct perf_event *event);
1419 extern void perf_event_enable(struct perf_event *event);
1420 extern void perf_event_disable(struct perf_event *event);
1421 extern void perf_event_disable_local(struct perf_event *event);
1422 extern void perf_event_disable_inatomic(struct perf_event *event);
1424 extern int perf_event_account_interrupt(struct perf_event *event);
1425 extern int perf_event_period(struct perf_event *event, u64 value);
1426 extern u64 perf_event_pause(struct perf_event *event, bool reset);
1430 		      struct perf_event *event)				{ return NULL; }  in perf_aux_output_begin()
1452 static inline const struct perf_event *perf_get_event(struct file *file)  in perf_get_event()
1456 static inline const struct perf_event_attr *perf_event_attrs(struct perf_event *event)  in perf_event_attrs()
1460 static inline int perf_event_read_local(struct perf_event *event, u64 *value,  in perf_event_read_local()
1468 static inline int perf_event_refresh(struct perf_event *event, int refresh)  in perf_event_refresh()
1478 perf_bp_event(struct perf_event *event, void *data)			{ }  in perf_bp_event()
1505 static inline u64 perf_swevent_set_period(struct perf_event *event)	{ return 0; }  in perf_swevent_set_period()
1506 static inline void perf_event_enable(struct perf_event *event)		{ }  in perf_event_enable()
1507 static inline void perf_event_disable(struct perf_event *event)		{ }  in perf_event_disable()
1510 static inline int perf_event_release_kernel(struct perf_event *event)	{ return 0; }  in perf_event_release_kernel()
1511 static inline int perf_event_period(struct perf_event *event, u64 value)  in perf_event_period()
1515 static inline u64 perf_event_pause(struct perf_event *event, bool reset)  in perf_event_pause()
1584 extern void __weak arch_perf_update_userpage(struct perf_event *event,