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#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_STACK,
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;
int max_stack;
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;
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);
struct callchain_param;
void perf_evsel__config(struct perf_evsel *evsel,
struct record_opts *opts,
struct callchain_param *callchain);
void perf_evsel__config_callchain(struct perf_evsel *evsel,
struct record_opts *opts,
struct callchain_param *callchain);
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 perf_evsel__disable(struct perf_evsel *evsel);
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;
u64 format_field__intval(struct format_field *field, struct perf_sample *sample,
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