273 struct perf_event;
350 	int (*event_init)		(struct perf_event *event);
356 	void (*event_mapped)		(struct perf_event *event, struct mm_struct *mm); /* optional */
357 	void (*event_unmapped)		(struct perf_event *event, struct mm_struct *mm); /* optional */
385 	int  (*add)			(struct perf_event *event, int flags);
386 	void (*del)			(struct perf_event *event, int flags);
406 	void (*start)			(struct perf_event *event, int flags);
407 	void (*stop)			(struct perf_event *event, int flags);
415 	void (*read)			(struct perf_event *event);
450 	int (*event_idx)		(struct perf_event *event); /*optional */
476 	void *(*setup_aux)		(struct perf_event *event, void **pages,
494 	long (*snapshot_aux)		(struct perf_event *event,
520 	void (*addr_filters_sync)	(struct perf_event *event);
530 	int (*aux_output_match)		(struct perf_event *event);
542 	int (*check_period)		(struct perf_event *event, u64 value); /* optional */
605 typedef void (*perf_overflow_handler_t)(struct perf_event *,
671 struct perf_event {  struct
708 	struct perf_event		*group_leader;  argument
759 	struct perf_event		*parent;  argument
799 	struct perf_event		*aux_event;  argument
801 	void (*destroy)(struct perf_event *);  argument
1012 	struct perf_event		**heap;
1013 	struct perf_event		*heap_default[2];
1017 	struct perf_event		*event;
1032 	struct perf_event *event;
1073 				   struct perf_event *event);
1080 extern void perf_event_itrace_started(struct perf_event *event);
1094 extern const struct perf_event *perf_get_event(struct file *file);
1095 extern const struct perf_event_attr *perf_event_attrs(struct perf_event *event);
1106 extern int perf_event_refresh(struct perf_event *event, int refresh);
1107 extern void perf_event_update_userpage(struct perf_event *event);
1108 extern int perf_event_release_kernel(struct perf_event *event);
1109 extern struct perf_event *
1117 int perf_event_read_local(struct perf_event *event, u64 *value,
1119 extern u64 perf_event_read_value(struct perf_event *event,
1122 extern struct perf_callchain_entry *perf_callchain(struct perf_event *event, struct pt_regs *regs);
1124 static inline bool branch_sample_no_flags(const struct perf_event *event)  in branch_sample_no_flags()
1129 static inline bool branch_sample_no_cycles(const struct perf_event *event)  in branch_sample_no_cycles()
1134 static inline bool branch_sample_type(const struct perf_event *event)  in branch_sample_type()
1139 static inline bool branch_sample_hw_index(const struct perf_event *event)  in branch_sample_hw_index()
1144 static inline bool branch_sample_priv(const struct perf_event *event)  in branch_sample_priv()
1149 static inline bool branch_sample_counters(const struct perf_event *event)  in branch_sample_counters()
1154 static inline bool branch_sample_call_stack(const struct perf_event *event)  in branch_sample_call_stack()
1233 					      struct perf_event *event,  in perf_sample_save_callchain()
1269 					    struct perf_event *event,  in perf_sample_save_brstack()
1294 					struct perf_event *event)  in perf_sample_data_size()
1324 			       struct perf_event *event);
1326 				struct perf_event *event,
1330 				struct perf_event *event,
1333 extern int perf_event_overflow(struct perf_event *event,
1337 extern void perf_event_output_forward(struct perf_event *event,
1340 extern void perf_event_output_backward(struct perf_event *event,
1343 extern int perf_event_output(struct perf_event *event,
1348 is_default_overflow_handler(struct perf_event *event)  in is_default_overflow_handler()
1362 			   struct perf_event *event);
1364 perf_event__output_id_sample(struct perf_event *event,
1369 perf_log_lost_samples(struct perf_event *event, u64 lost);
1371 static inline bool event_has_any_exclude_flag(struct perf_event *event)  in event_has_any_exclude_flag()
1380 static inline bool is_sampling_event(struct perf_event *event)  in is_sampling_event()
1388 static inline int is_software_event(struct perf_event *event)  in is_software_event()
1396 static inline int in_software_context(struct perf_event *event)  in in_software_context()
1639 extern void perf_bp_event(struct perf_event *event, void *data);
1650 static inline bool has_branch_stack(struct perf_event *event)  in has_branch_stack()
1655 static inline bool needs_branch_stack(struct perf_event *event)  in needs_branch_stack()
1660 static inline bool has_aux(struct perf_event *event)  in has_aux()
1665 static inline bool is_write_backward(struct perf_event *event)  in is_write_backward()
1670 static inline bool has_addr_filter(struct perf_event *event)  in has_addr_filter()
1679 perf_event_addr_filters(struct perf_event *event)  in perf_event_addr_filters()
1689 static inline struct fasync_struct **perf_event_fasync(struct perf_event *event)  in perf_event_fasync()
1697 extern void perf_event_addr_filters_sync(struct perf_event *event);
1698 extern void perf_report_aux_output_id(struct perf_event *event, u64 hw_id);
1702 			     struct perf_event *event, unsigned int size);
1705 				     struct perf_event *event,
1709 				      struct perf_event *event,
1722 extern u64 perf_swevent_set_period(struct perf_event *event);
1723 extern void perf_event_enable(struct perf_event *event);
1724 extern void perf_event_disable(struct perf_event *event);
1725 extern void perf_event_disable_local(struct perf_event *event);
1726 extern void perf_event_disable_inatomic(struct perf_event *event);
1728 extern int perf_event_account_interrupt(struct perf_event *event);
1729 extern int perf_event_period(struct perf_event *event, u64 value);
1730 extern u64 perf_event_pause(struct perf_event *event, bool reset);
1734 		      struct perf_event *event)				{ return NULL; }  in perf_aux_output_begin()
1757 static inline const struct perf_event *perf_get_event(struct file *file)  in perf_get_event()
1761 static inline const struct perf_event_attr *perf_event_attrs(struct perf_event *event)  in perf_event_attrs()
1765 static inline int perf_event_read_local(struct perf_event *event, u64 *value,  in perf_event_read_local()
1773 static inline int perf_event_refresh(struct perf_event *event, int refresh)  in perf_event_refresh()
1781 perf_bp_event(struct perf_event *event, void *data)			{ }  in perf_bp_event()
1803 static inline u64 perf_swevent_set_period(struct perf_event *event)	{ return 0; }  in perf_swevent_set_period()
1804 static inline void perf_event_enable(struct perf_event *event)		{ }  in perf_event_enable()
1805 static inline void perf_event_disable(struct perf_event *event)		{ }  in perf_event_disable()
1808 static inline int perf_event_release_kernel(struct perf_event *event)	{ return 0; }  in perf_event_release_kernel()
1809 static inline int perf_event_period(struct perf_event *event, u64 value)  in perf_event_period()
1813 static inline u64 perf_event_pause(struct perf_event *event, bool reset)  in perf_event_pause()
1898 extern void arch_perf_update_userpage(struct perf_event *event,