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 *,
626 struct perf_event {  struct
662 	struct perf_event		*group_leader;  argument
714 	struct perf_event		*parent;  argument
750 	struct perf_event		*aux_event;  argument
752 	void (*destroy)(struct perf_event *);  argument
887 	struct perf_event		**heap;
888 	struct perf_event		*heap_default[2];
892 	struct perf_event		*event;
907 	struct perf_event *event;
944 				   struct perf_event *event);
951 extern void perf_event_itrace_started(struct perf_event *event);
967 extern const struct perf_event *perf_get_event(struct file *file);
968 extern const struct perf_event_attr *perf_event_attrs(struct perf_event *event);
979 extern int perf_event_refresh(struct perf_event *event, int refresh);
980 extern void perf_event_update_userpage(struct perf_event *event);
981 extern int perf_event_release_kernel(struct perf_event *event);
982 extern struct perf_event *
990 int perf_event_read_local(struct perf_event *event, u64 *value,
992 extern u64 perf_event_read_value(struct perf_event *event,
1060 			       struct perf_event *event);
1063 				struct perf_event *event,
1066 extern int perf_event_overflow(struct perf_event *event,
1070 extern void perf_event_output_forward(struct perf_event *event,
1073 extern void perf_event_output_backward(struct perf_event *event,
1076 extern int perf_event_output(struct perf_event *event,
1081 is_default_overflow_handler(struct perf_event *event)  in is_default_overflow_handler()
1093 			   struct perf_event *event);
1095 perf_event__output_id_sample(struct perf_event *event,
1100 perf_log_lost_samples(struct perf_event *event, u64 lost);
1102 static inline bool event_has_any_exclude_flag(struct perf_event *event)  in event_has_any_exclude_flag()
1111 static inline bool is_sampling_event(struct perf_event *event)  in is_sampling_event()
1119 static inline int is_software_event(struct perf_event *event)  in is_software_event()
1127 static inline int in_software_context(struct perf_event *event)  in in_software_context()
1269 extern struct perf_callchain_entry *perf_callchain(struct perf_event *event, struct pt_regs *regs);
1359 extern void perf_bp_event(struct perf_event *event, void *data);
1370 static inline bool has_branch_stack(struct perf_event *event)  in has_branch_stack()
1375 static inline bool needs_branch_stack(struct perf_event *event)  in needs_branch_stack()
1380 static inline bool has_aux(struct perf_event *event)  in has_aux()
1385 static inline bool is_write_backward(struct perf_event *event)  in is_write_backward()
1390 static inline bool has_addr_filter(struct perf_event *event)  in has_addr_filter()
1399 perf_event_addr_filters(struct perf_event *event)  in perf_event_addr_filters()
1409 extern void perf_event_addr_filters_sync(struct perf_event *event);
1413 			     struct perf_event *event, unsigned int size);
1416 				     struct perf_event *event,
1420 				      struct perf_event *event,
1433 extern u64 perf_swevent_set_period(struct perf_event *event);
1434 extern void perf_event_enable(struct perf_event *event);
1435 extern void perf_event_disable(struct perf_event *event);
1436 extern void perf_event_disable_local(struct perf_event *event);
1437 extern void perf_event_disable_inatomic(struct perf_event *event);
1439 extern int perf_event_account_interrupt(struct perf_event *event);
1440 extern int perf_event_period(struct perf_event *event, u64 value);
1441 extern u64 perf_event_pause(struct perf_event *event, bool reset);
1445 		      struct perf_event *event)				{ return NULL; }  in perf_aux_output_begin()
1467 static inline const struct perf_event *perf_get_event(struct file *file)  in perf_get_event()
1471 static inline const struct perf_event_attr *perf_event_attrs(struct perf_event *event)  in perf_event_attrs()
1475 static inline int perf_event_read_local(struct perf_event *event, u64 *value,  in perf_event_read_local()
1483 static inline int perf_event_refresh(struct perf_event *event, int refresh)  in perf_event_refresh()
1493 perf_bp_event(struct perf_event *event, void *data)			{ }  in perf_bp_event()
1520 static inline u64 perf_swevent_set_period(struct perf_event *event)	{ return 0; }  in perf_swevent_set_period()
1521 static inline void perf_event_enable(struct perf_event *event)		{ }  in perf_event_enable()
1522 static inline void perf_event_disable(struct perf_event *event)		{ }  in perf_event_disable()
1525 static inline int perf_event_release_kernel(struct perf_event *event)	{ return 0; }  in perf_event_release_kernel()
1526 static inline int perf_event_period(struct perf_event *event, u64 value)  in perf_event_period()
1530 static inline u64 perf_event_pause(struct perf_event *event, bool reset)  in perf_event_pause()
1599 extern void __weak arch_perf_update_userpage(struct perf_event *event,