[deliverable/linux.git] / tools / perf / util / evsel.h

#ifndef __PERF_EVSEL_H
#define __PERF_EVSEL_H 1

#include <linux/list.h>
#include <stdbool.h>
#include <stddef.h>
#include <linux/perf_event.h>
#include <linux/types.h>
#include "xyarray.h"
#include "symbol.h"
#include "cpumap.h"
#include "counts.h"

struct perf_evsel;

/*
 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
 * more than one entry in the evlist.
 */
struct perf_sample_id {
	struct hlist_node 	node;
	u64		 	id;
	struct perf_evsel	*evsel;
	int			idx;
	int			cpu;
	pid_t			tid;

	/* Holds total ID period value for PERF_SAMPLE_READ processing. */
	u64			period;
};

struct cgroup_sel;

/*
 * The 'struct perf_evsel_config_term' is used to pass event
 * specific configuration data to perf_evsel__config routine.
 * It is allocated within event parsing and attached to
 * perf_evsel::config_terms list head.
*/
enum {
	PERF_EVSEL__CONFIG_TERM_PERIOD,
	PERF_EVSEL__CONFIG_TERM_FREQ,
	PERF_EVSEL__CONFIG_TERM_TIME,
	PERF_EVSEL__CONFIG_TERM_CALLGRAPH,
	PERF_EVSEL__CONFIG_TERM_STACK_USER,
	PERF_EVSEL__CONFIG_TERM_INHERIT,
	PERF_EVSEL__CONFIG_TERM_MAX,
};

struct perf_evsel_config_term {
	struct list_head	list;
	int	type;
	union {
		u64	period;
		u64	freq;
		bool	time;
		char	*callgraph;
		u64	stack_user;
		bool	inherit;
	} val;
};

/** struct perf_evsel - event selector
 *
 * @evlist - evlist this evsel is in, if it is in one.
 * @node - To insert it into evlist->entries or in other list_heads, say in
 *         the event parsing routines.
 * @name - Can be set to retain the original event name passed by the user,
 *         so that when showing results in tools such as 'perf stat', we
 *         show the name used, not some alias.
 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
 *          PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
 *          struct sample_event
 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
 *          PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
 *          is used there is an id sample appended to non-sample events
 * @priv:   And what is in its containing unnamed union are tool specific
 */
struct perf_evsel {
	struct list_head	node;
	struct perf_evlist	*evlist;
	struct perf_event_attr	attr;
	char			*filter;
	struct xyarray		*fd;
	struct xyarray		*sample_id;
	u64			*id;
	struct perf_counts	*counts;
	struct perf_counts	*prev_raw_counts;
	int			idx;
	u32			ids;
	char			*name;
	double			scale;
	const char		*unit;
	struct event_format	*tp_format;
	off_t			id_offset;
	union {
		void		*priv;
		u64		db_id;
	};
	struct cgroup_sel	*cgrp;
	void			*handler;
	struct cpu_map		*cpus;
	struct cpu_map		*own_cpus;
	struct thread_map	*threads;
	unsigned int		sample_size;
	int			id_pos;
	int			is_pos;
	bool			snapshot;
	bool 			supported;
	bool 			needs_swap;
	bool			no_aux_samples;
	bool			immediate;
	bool			system_wide;
	bool			tracking;
	bool			per_pkg;
	bool			precise_max;
	/* parse modifier helper */
	int			exclude_GH;
	int			nr_members;
	int			sample_read;
	unsigned long		*per_pkg_mask;
	struct perf_evsel	*leader;
	char			*group_name;
	bool			cmdline_group_boundary;
	struct list_head	config_terms;
	int			bpf_fd;
};

union u64_swap {
	u64 val64;
	u32 val32[2];
};

struct cpu_map;
struct target;
struct thread_map;
struct record_opts;

static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
{
	return evsel->cpus;
}

static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
{
	return perf_evsel__cpus(evsel)->nr;
}

void perf_counts_values__scale(struct perf_counts_values *count,
			       bool scale, s8 *pscaled);

void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
				struct perf_counts_values *count);

int perf_evsel__object_config(size_t object_size,
			      int (*init)(struct perf_evsel *evsel),
			      void (*fini)(struct perf_evsel *evsel));

struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);

static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
{
	return perf_evsel__new_idx(attr, 0);
}

struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);

/*
 * Returns pointer with encoded error via <linux/err.h> interface.
 */
static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
{
	return perf_evsel__newtp_idx(sys, name, 0);
}

struct event_format *event_format__new(const char *sys, const char *name);

void perf_evsel__init(struct perf_evsel *evsel,
		      struct perf_event_attr *attr, int idx);
void perf_evsel__exit(struct perf_evsel *evsel);
void perf_evsel__delete(struct perf_evsel *evsel);

void perf_evsel__config(struct perf_evsel *evsel,
			struct record_opts *opts);

int __perf_evsel__sample_size(u64 sample_type);
void perf_evsel__calc_id_pos(struct perf_evsel *evsel);

bool perf_evsel__is_cache_op_valid(u8 type, u8 op);

#define PERF_EVSEL__MAX_ALIASES 8

extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
				       [PERF_EVSEL__MAX_ALIASES];
extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
					  [PERF_EVSEL__MAX_ALIASES];
extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
					      [PERF_EVSEL__MAX_ALIASES];
extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
					    char *bf, size_t size);
const char *perf_evsel__name(struct perf_evsel *evsel);

const char *perf_evsel__group_name(struct perf_evsel *evsel);
int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);

int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);

void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
				  enum perf_event_sample_format bit);
void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
				    enum perf_event_sample_format bit);

#define perf_evsel__set_sample_bit(evsel, bit) \
	__perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)

#define perf_evsel__reset_sample_bit(evsel, bit) \
	__perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)

void perf_evsel__set_sample_id(struct perf_evsel *evsel,
			       bool use_sample_identifier);

int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
int perf_evsel__append_filter(struct perf_evsel *evsel,
			      const char *op, const char *filter);
int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
			     const char *filter);
int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads);

int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
			     struct cpu_map *cpus);
int perf_evsel__open_per_thread(struct perf_evsel *evsel,
				struct thread_map *threads);
int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
		     struct thread_map *threads);
void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);

struct perf_sample;

void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
			 const char *name);
u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
		       const char *name);

static inline char *perf_evsel__strval(struct perf_evsel *evsel,
				       struct perf_sample *sample,
				       const char *name)
{
	return perf_evsel__rawptr(evsel, sample, name);
}

struct format_field;

struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);

#define perf_evsel__match(evsel, t, c)		\
	(evsel->attr.type == PERF_TYPE_##t &&	\
	 evsel->attr.config == PERF_COUNT_##c)

static inline bool perf_evsel__match2(struct perf_evsel *e1,
				      struct perf_evsel *e2)
{
	return (e1->attr.type == e2->attr.type) &&
	       (e1->attr.config == e2->attr.config);
}

#define perf_evsel__cmp(a, b)			\
	((a) &&					\
	 (b) &&					\
	 (a)->attr.type == (b)->attr.type &&	\
	 (a)->attr.config == (b)->attr.config)

int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
		     struct perf_counts_values *count);

int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
			      int cpu, int thread, bool scale);

/**
 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
 *
 * @evsel - event selector to read value
 * @cpu - CPU of interest
 * @thread - thread of interest
 */
static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
					  int cpu, int thread)
{
	return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
}

/**
 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
 *
 * @evsel - event selector to read value
 * @cpu - CPU of interest
 * @thread - thread of interest
 */
static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
						 int cpu, int thread)
{
	return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
}

int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
			     struct perf_sample *sample);

static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
{
	return list_entry(evsel->node.next, struct perf_evsel, node);
}

static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
{
	return list_entry(evsel->node.prev, struct perf_evsel, node);
}

/**
 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
 *
 * @evsel - evsel selector to be tested
 *
 * Return %true if @evsel is a group leader or a stand-alone event
 */
static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
{
	return evsel->leader == evsel;
}

/**
 * perf_evsel__is_group_event - Return whether given evsel is a group event
 *
 * @evsel - evsel selector to be tested
 *
 * Return %true iff event group view is enabled and @evsel is a actual group
 * leader which has other members in the group
 */
static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
{
	if (!symbol_conf.event_group)
		return false;

	return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
}

/**
 * perf_evsel__is_function_event - Return whether given evsel is a function
 * trace event
 *
 * @evsel - evsel selector to be tested
 *
 * Return %true if event is function trace event
 */
static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel)
{
#define FUNCTION_EVENT "ftrace:function"

	return evsel->name &&
	       !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT));

#undef FUNCTION_EVENT
}

struct perf_attr_details {
	bool freq;
	bool verbose;
	bool event_group;
	bool force;
};

int perf_evsel__fprintf(struct perf_evsel *evsel,
			struct perf_attr_details *details, FILE *fp);

bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
			  char *msg, size_t msgsize);
int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
			      int err, char *msg, size_t size);

static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
{
	return evsel->idx - evsel->leader->idx;
}

#define for_each_group_member(_evsel, _leader) 					\
for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); 	\
     (_evsel) && (_evsel)->leader == (_leader);					\
     (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))

static inline bool has_branch_callstack(struct perf_evsel *evsel)
{
	return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
}

typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *);

int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
			     attr__fprintf_f attr__fprintf, void *priv);

#endif /* __PERF_EVSEL_H */
Commit	Line	Data
69aad6f1 ACM	1	#ifndef __PERF_EVSEL_H
	2	#define __PERF_EVSEL_H 1
	3
	4	#include <linux/list.h>
c52b12ed	5	#include <stdbool.h>
07ac002f	6	#include <stddef.h>
d2709c7c	7	#include <linux/perf_event.h>
d944c4ee	8	#include <linux/types.h>
69aad6f1	9	#include "xyarray.h"
759ff497	10	#include "symbol.h"
a22e99cd	11	#include "cpumap.h"
d809560b	12	#include "counts.h"
69aad6f1	13
70db7533 ACM	14	struct perf_evsel;
	15
	16	/*
	17	* Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
	18	* more than one entry in the evlist.
	19	*/
	20	struct perf_sample_id {
	21	struct hlist_node node;
	22	u64 id;
	23	struct perf_evsel *evsel;
3c659eed AH	24	int idx;
	25	int cpu;
	26	pid_t tid;
e4caec0d JO	27
	28	/* Holds total ID period value for PERF_SAMPLE_READ processing. */
	29	u64 period;
70db7533 ACM	30	};
70db7533 ACM	31
f14d5707 ACM	32	struct cgroup_sel;
f14d5707 ACM	33
930a2e29 JO	34	/*
	35	* The 'struct perf_evsel_config_term' is used to pass event
	36	* specific configuration data to perf_evsel__config routine.
	37	* It is allocated within event parsing and attached to
	38	* perf_evsel::config_terms list head.
	39	*/
	40	enum {
ee4c7588	41	PERF_EVSEL__CONFIG_TERM_PERIOD,
09af2a55	42	PERF_EVSEL__CONFIG_TERM_FREQ,
32067712	43	PERF_EVSEL__CONFIG_TERM_TIME,
d457c963 KL	44	PERF_EVSEL__CONFIG_TERM_CALLGRAPH,
d457c963 KL	45	PERF_EVSEL__CONFIG_TERM_STACK_USER,
374ce938	46	PERF_EVSEL__CONFIG_TERM_INHERIT,
930a2e29 JO	47	PERF_EVSEL__CONFIG_TERM_MAX,
	48	};
	49
	50	struct perf_evsel_config_term {
	51	struct list_head list;
	52	int type;
	53	union {
	54	u64 period;
09af2a55	55	u64 freq;
32067712	56	bool time;
d457c963 KL	57	char *callgraph;
d457c963 KL	58	u64 stack_user;
374ce938	59	bool inherit;
930a2e29 JO	60	} val;
	61	};
	62
f0c55bcf SE	63	/** struct perf_evsel - event selector
f0c55bcf SE	64	*
d49e4695 ACM	65	* @evlist - evlist this evsel is in, if it is in one.
	66	* @node - To insert it into evlist->entries or in other list_heads, say in
	67	* the event parsing routines.
f0c55bcf SE	68	* @name - Can be set to retain the original event name passed by the user,
	69	* so that when showing results in tools such as 'perf stat', we
	70	* show the name used, not some alias.
75562573 AH	71	* @id_pos: the position of the event id (PERF_SAMPLE_ID or
	72	* PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
	73	* struct sample_event
	74	* @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
	75	* PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
	76	* is used there is an id sample appended to non-sample events
0db15b1e	77	* @priv: And what is in its containing unnamed union are tool specific
f0c55bcf	78	*/
69aad6f1 ACM	79	struct perf_evsel {
69aad6f1 ACM	80	struct list_head node;
d49e4695	81	struct perf_evlist *evlist;
69aad6f1 ACM	82	struct perf_event_attr attr;
	83	char *filter;
	84	struct xyarray *fd;
a91e5431 ACM	85	struct xyarray *sample_id;
a91e5431 ACM	86	u64 *id;
c52b12ed	87	struct perf_counts *counts;
c7a79c47	88	struct perf_counts *prev_raw_counts;
69aad6f1	89	int idx;
f4d83436	90	u32 ids;
f0c55bcf	91	char *name;
410136f5 SE	92	double scale;
410136f5 SE	93	const char *unit;
fcf65bf1	94	struct event_format *tp_format;
af339981	95	off_t id_offset;
a91e5431 ACM	96	union {
a91e5431 ACM	97	void *priv;
0db15b1e	98	u64 db_id;
a91e5431	99	};
023695d9	100	struct cgroup_sel *cgrp;
744a9719	101	void *handler;
7ae92e74	102	struct cpu_map *cpus;
fce4d296	103	struct cpu_map *own_cpus;
578e91ec	104	struct thread_map *threads;
bde09467	105	unsigned int sample_size;
75562573 AH	106	int id_pos;
75562573 AH	107	int is_pos;
86066064	108	bool snapshot;
2cee77c4	109	bool supported;
0807d2d8	110	bool needs_swap;
6ff1ce76	111	bool no_aux_samples;
2afd2bcf	112	bool immediate;
bf8e8f4b	113	bool system_wide;
60b0896c	114	bool tracking;
044330c1	115	bool per_pkg;
7f94af7a	116	bool precise_max;
f5b1135b JO	117	/* parse modifier helper */
f5b1135b JO	118	int exclude_GH;
97f63e4a	119	int nr_members;
3c176311	120	int sample_read;
86066064	121	unsigned long *per_pkg_mask;
6a4bb04c JO	122	struct perf_evsel *leader;
6a4bb04c JO	123	char *group_name;
15bfd2cc	124	bool cmdline_group_boundary;
930a2e29	125	struct list_head config_terms;
1f45b1d4	126	int bpf_fd;
69aad6f1 ACM	127	};
69aad6f1 ACM	128
88080ce7 BP	129	union u64_swap {
	130	u64 val64;
	131	u32 val32[2];
	132	};
	133
86bd5e86	134	struct cpu_map;
80b2210c	135	struct target;
86bd5e86	136	struct thread_map;
b4006796	137	struct record_opts;
86bd5e86	138
a22e99cd JO	139	static inline struct cpu_map perf_evsel__cpus(struct perf_evsel evsel)
	140	{
	141	return evsel->cpus;
	142	}
	143
	144	static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
	145	{
	146	return perf_evsel__cpus(evsel)->nr;
	147	}
	148
13112bbf JO	149	void perf_counts_values__scale(struct perf_counts_values *count,
	150	bool scale, s8 *pscaled);
	151
a6fa0038	152	void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
857a94a2 JO	153	struct perf_counts_values *count);
857a94a2 JO	154
ce8ccff5 ACM	155	int perf_evsel__object_config(size_t object_size,
	156	int (init)(struct perf_evsel evsel),
	157	void (fini)(struct perf_evsel evsel));
	158
ef503831 ACM	159	struct perf_evsel perf_evsel__new_idx(struct perf_event_attr attr, int idx);
	160
	161	static inline struct perf_evsel perf_evsel__new(struct perf_event_attr attr)
	162	{
	163	return perf_evsel__new_idx(attr, 0);
	164	}
	165
	166	struct perf_evsel perf_evsel__newtp_idx(const char sys, const char *name, int idx);
	167
8dd2a131 JO	168	/*
	169	* Returns pointer with encoded error via <linux/err.h> interface.
	170	*/
ef503831 ACM	171	static inline struct perf_evsel perf_evsel__newtp(const char sys, const char *name)
	172	{
	173	return perf_evsel__newtp_idx(sys, name, 0);
	174	}
201b7334 ACM	175
	176	struct event_format event_format__new(const char sys, const char *name);
	177
ef1d1af2 ACM	178	void perf_evsel__init(struct perf_evsel *evsel,
	179	struct perf_event_attr *attr, int idx);
	180	void perf_evsel__exit(struct perf_evsel *evsel);
69aad6f1 ACM	181	void perf_evsel__delete(struct perf_evsel *evsel);
69aad6f1 ACM	182
0f82ebc4	183	void perf_evsel__config(struct perf_evsel *evsel,
b4006796	184	struct record_opts *opts);
0f82ebc4	185
75562573 AH	186	int __perf_evsel__sample_size(u64 sample_type);
	187	void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
	188
0b668bc9 ACM	189	bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
	190
	191	#define PERF_EVSEL__MAX_ALIASES 8
	192
	193	extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
	194	[PERF_EVSEL__MAX_ALIASES];
	195	extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
	196	[PERF_EVSEL__MAX_ALIASES];
8ad7013b ACM	197	extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
	198	[PERF_EVSEL__MAX_ALIASES];
	199	extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
	200	extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
0b668bc9 ACM	201	int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
0b668bc9 ACM	202	char *bf, size_t size);
7289f83c	203	const char perf_evsel__name(struct perf_evsel evsel);
410136f5	204
717e263f NK	205	const char perf_evsel__group_name(struct perf_evsel evsel);
717e263f NK	206	int perf_evsel__group_desc(struct perf_evsel evsel, char buf, size_t size);
c410431c	207
70db7533	208	int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
c52b12ed	209	void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
69aad6f1	210
7be5ebe8 ACM	211	void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
	212	enum perf_event_sample_format bit);
	213	void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
	214	enum perf_event_sample_format bit);
	215
	216	#define perf_evsel__set_sample_bit(evsel, bit) \
	217	__perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
	218
	219	#define perf_evsel__reset_sample_bit(evsel, bit) \
	220	__perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
	221
75562573 AH	222	void perf_evsel__set_sample_id(struct perf_evsel *evsel,
75562573 AH	223	bool use_sample_identifier);
7a5a5ca5	224
12467ae4	225	int perf_evsel__set_filter(struct perf_evsel evsel, const char filter);
64ec84f5 ACM	226	int perf_evsel__append_filter(struct perf_evsel *evsel,
64ec84f5 ACM	227	const char op, const char filter);
f47805a2 ACM	228	int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
f47805a2 ACM	229	const char *filter);
e2407bef	230	int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads);
745cefc5	231
f08199d3	232	int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
6a4bb04c	233	struct cpu_map *cpus);
f08199d3	234	int perf_evsel__open_per_thread(struct perf_evsel *evsel,
6a4bb04c	235	struct thread_map *threads);
f08199d3	236	int perf_evsel__open(struct perf_evsel evsel, struct cpu_map cpus,
6a4bb04c	237	struct thread_map *threads);
727ab04e	238	void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
48290609	239
5555ded4 ACM	240	struct perf_sample;
5555ded4 ACM	241
5d2074ea	242	void perf_evsel__rawptr(struct perf_evsel evsel, struct perf_sample *sample,
5555ded4 ACM	243	const char *name);
	244	u64 perf_evsel__intval(struct perf_evsel evsel, struct perf_sample sample,
	245	const char *name);
	246
5d2074ea ACM	247	static inline char perf_evsel__strval(struct perf_evsel evsel,
	248	struct perf_sample *sample,
	249	const char *name)
	250	{
	251	return perf_evsel__rawptr(evsel, sample, name);
	252	}
	253
efd2b924 ACM	254	struct format_field;
	255
	256	struct format_field perf_evsel__field(struct perf_evsel evsel, const char *name);
	257
daec78a0 ACM	258	#define perf_evsel__match(evsel, t, c) \
	259	(evsel->attr.type == PERF_TYPE_##t && \
	260	evsel->attr.config == PERF_COUNT_##c)
	261
863e451f JO	262	static inline bool perf_evsel__match2(struct perf_evsel *e1,
	263	struct perf_evsel *e2)
	264	{
	265	return (e1->attr.type == e2->attr.type) &&
	266	(e1->attr.config == e2->attr.config);
	267	}
	268
4cabc3d1 AK	269	#define perf_evsel__cmp(a, b) \
	270	((a) && \
	271	(b) && \
	272	(a)->attr.type == (b)->attr.type && \
	273	(a)->attr.config == (b)->attr.config)
	274
f99f4719 JO	275	int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
	276	struct perf_counts_values *count);
	277
c52b12ed ACM	278	int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
	279	int cpu, int thread, bool scale);
	280
	281	/**
	282	* perf_evsel__read_on_cpu - Read out the results on a CPU and thread
	283	*
	284	* @evsel - event selector to read value
	285	* @cpu - CPU of interest
	286	* @thread - thread of interest
	287	*/
	288	static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
	289	int cpu, int thread)
	290	{
	291	return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
	292	}
	293
	294	/**
	295	* perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
	296	*
	297	* @evsel - event selector to read value
	298	* @cpu - CPU of interest
	299	* @thread - thread of interest
	300	*/
	301	static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
	302	int cpu, int thread)
	303	{
	304	return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
	305	}
	306
a3f698fe	307	int perf_evsel__parse_sample(struct perf_evsel evsel, union perf_event event,
0807d2d8	308	struct perf_sample *sample);
0c21f736 ACM	309
	310	static inline struct perf_evsel perf_evsel__next(struct perf_evsel evsel)
	311	{
	312	return list_entry(evsel->node.next, struct perf_evsel, node);
	313	}
07ac002f	314
d87fcb4a ACM	315	static inline struct perf_evsel perf_evsel__prev(struct perf_evsel evsel)
	316	{
	317	return list_entry(evsel->node.prev, struct perf_evsel, node);
	318	}
	319
759ff497 NK	320	/**
	321	* perf_evsel__is_group_leader - Return whether given evsel is a leader event
	322	*
	323	* @evsel - evsel selector to be tested
	324	*
	325	* Return %true if @evsel is a group leader or a stand-alone event
	326	*/
823254ed	327	static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
07ac002f	328	{
823254ed	329	return evsel->leader == evsel;
07ac002f	330	}
0698aedd	331
759ff497 NK	332	/**
	333	* perf_evsel__is_group_event - Return whether given evsel is a group event
	334	*
	335	* @evsel - evsel selector to be tested
	336	*
	337	* Return %true iff event group view is enabled and @evsel is a actual group
	338	* leader which has other members in the group
	339	*/
	340	static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
	341	{
	342	if (!symbol_conf.event_group)
	343	return false;
	344
	345	return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
	346	}
	347
6bedfab6 JO	348	/**
	349	* perf_evsel__is_function_event - Return whether given evsel is a function
	350	* trace event
	351	*
	352	* @evsel - evsel selector to be tested
	353	*
	354	* Return %true if event is function trace event
	355	*/
	356	static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel)
	357	{
	358	#define FUNCTION_EVENT "ftrace:function"
	359
	360	return evsel->name &&
	361	!strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT));
	362
	363	#undef FUNCTION_EVENT
	364	}
	365
0698aedd ACM	366	struct perf_attr_details {
	367	bool freq;
	368	bool verbose;
e35ef355	369	bool event_group;
9e3b6ec1	370	bool force;
0698aedd ACM	371	};
	372
	373	int perf_evsel__fprintf(struct perf_evsel *evsel,
	374	struct perf_attr_details details, FILE fp);
c0a54341 ACM	375
	376	bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
	377	char *msg, size_t msgsize);
602ad878	378	int perf_evsel__open_strerror(struct perf_evsel evsel, struct target target,
56e52e85	379	int err, char *msg, size_t size);
97f63e4a NK	380
	381	static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
	382	{
	383	return evsel->idx - evsel->leader->idx;
	384	}
717e263f NK	385
	386	#define for_each_group_member(_evsel, _leader) \
	387	for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
	388	(_evsel) && (_evsel)->leader == (_leader); \
	389	(_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
	390
384b6055 KL	391	static inline bool has_branch_callstack(struct perf_evsel *evsel)
	392	{
	393	return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
	394	}
2c5e8c52 PZ	395
	396	typedef int (attr__fprintf_f)(FILE , const char , const char , void *);
	397
	398	int perf_event_attr__fprintf(FILE fp, struct perf_event_attr attr,
	399	attr__fprintf_f attr__fprintf, void *priv);
	400
69aad6f1	401	#endif /* __PERF_EVSEL_H */