506 struct x86_pmu {  struct
510 	const char	*name;
511 	int		version;
512 	int		(*handle_irq)(struct pt_regs *);
513 	void		(*disable_all)(void);
514 	void		(*enable_all)(int added);
515 	void		(*enable)(struct perf_event *);
516 	void		(*disable)(struct perf_event *);
517 	int		(*hw_config)(struct perf_event *event);
518 	int		(*schedule_events)(struct cpu_hw_events *cpuc, int n, int *assign);
519 	unsigned	eventsel;
520 	unsigned	perfctr;
521 	int		(*addr_offset)(int index, bool eventsel);
522 	int		(*rdpmc_index)(int index);
523 	u64		(*event_map)(int);
524 	int		max_events;
525 	int		num_counters;
526 	int		num_counters_fixed;
527 	int		cntval_bits;
551 	struct x86_pmu_quirk *quirks;  argument
552 	int		perfctr_second_write;
553 	bool		late_ack;
554 	unsigned	(*limit_period)(struct perf_event *event, unsigned l);
559 	int		attr_rdpmc_broken;
560 	int		attr_rdpmc;
561 	struct attribute **format_attrs;
562 	struct attribute **event_attrs;
564 	ssize_t		(*events_sysfs_show)(char *page, u64 config);
565 	struct attribute **cpu_events;
570 	int		(*cpu_prepare)(int cpu);
571 	void		(*cpu_starting)(int cpu);
572 	void		(*cpu_dying)(int cpu);
573 	void		(*cpu_dead)(int cpu);
575 	void		(*check_microcode)(void);
576 	void		(*sched_task)(struct perf_event_context *ctx,
582 	u64			intel_ctrl;
583 	union perf_capabilities intel_cap;
588 	unsigned int	bts		:1,
589 			bts_active	:1,
590 			pebs		:1,
591 			pebs_active	:1,
592 			pebs_broken	:1;
593 	int		pebs_record_size;
594 	int		pebs_buffer_size;
595 	void		(*drain_pebs)(struct pt_regs *regs);
596 	struct event_constraint *pebs_constraints;
597 	void		(*pebs_aliases)(struct perf_event *event);
598 	int 		max_pebs_events;
599 	unsigned long	free_running_flags;
604 	unsigned long	lbr_tos, lbr_from, lbr_to; /* MSR base regs       */
605 	int		lbr_nr;			   /* hardware stack size */
606 	u64		lbr_sel_mask;		   /* LBR_SELECT valid bits */
607 	const int	*lbr_sel_map;		   /* lbr_select mappings */
608 	bool		lbr_double_abort;	   /* duplicated lbr aborts */
613 	atomic_t	lbr_exclusive[x86_lbr_exclusive_max];
641 	__quirk.next = x86_pmu.quirks;					\  argument