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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_EVSEL_H
#define __PERF_EVSEL_H 1
#include <linux/list.h>
#include <stdbool.h>
#include <stdio.h>
#include <sys/types.h>
#include <linux/perf_event.h>
#include <linux/types.h>
#include <internal/evsel.h>
#include <perf/evsel.h>
#include "symbol_conf.h"
#include <internal/cpumap.h>
struct addr_location;
struct evsel;
union perf_event;
struct cgroup;
/*
* 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 term_type {
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_EVENTS,
PERF_EVSEL__CONFIG_TERM_OVERWRITE,
PERF_EVSEL__CONFIG_TERM_DRV_CFG,
PERF_EVSEL__CONFIG_TERM_BRANCH,
PERF_EVSEL__CONFIG_TERM_PERCORE,
PERF_EVSEL__CONFIG_TERM_AUX_OUTPUT,
};
struct perf_evsel_config_term {
struct list_head list;
enum term_type type;
union {
u64 period;
u64 freq;
bool time;
char *callgraph;
char *drv_cfg;
u64 stack_user;
int max_stack;
bool inherit;
bool overwrite;
char *branch;
unsigned long max_events;
bool percore;
bool aux_output;
} val;
bool weak;
};
struct perf_stat_evsel;
typedef int (perf_evsel__sb_cb_t)(union perf_event *event, void *data);
enum perf_tool_event {
PERF_TOOL_NONE = 0,
PERF_TOOL_DURATION_TIME = 1,
};
struct bpf_object;
struct perf_counts;
/** struct evsel - event selector
*
* @evlist - evlist this evsel is in, if it is in one.
* @core - libperf evsel object
* @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 perf_record_sample
* @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 evsel {
struct perf_evsel core;
struct evlist *evlist;
char *filter;
struct perf_counts *counts;
struct perf_counts *prev_raw_counts;
int idx;
unsigned long max_events;
unsigned long nr_events_printed;
char *name;
double scale;
const char *unit;
struct tep_event *tp_format;
off_t id_offset;
struct perf_stat_evsel *stats;
void *priv;
u64 db_id;
struct cgroup *cgrp;
void *handler;
unsigned int sample_size;
int id_pos;
int is_pos;
enum perf_tool_event tool_event;
bool uniquified_name;
bool snapshot;
bool supported;
bool needs_swap;
bool disabled;
bool no_aux_samples;
bool immediate;
bool tracking;
bool per_pkg;
bool precise_max;
bool ignore_missing_thread;
bool forced_leader;
bool use_uncore_alias;
/* parse modifier helper */
int exclude_GH;
int sample_read;
unsigned long *per_pkg_mask;
struct evsel *leader;
char *group_name;
bool cmdline_group_boundary;
struct list_head config_terms;
struct bpf_object *bpf_obj;
int bpf_fd;
bool auto_merge_stats;
bool merged_stat;
const char * metric_expr;
const char * metric_name;
struct evsel **metric_events;
struct evsel *metric_leader;
bool collect_stat;
bool weak_group;
bool percore;
const char *pmu_name;
struct {
perf_evsel__sb_cb_t *cb;
void *data;
} side_band;
};
struct perf_missing_features {
bool sample_id_all;
bool exclude_guest;
bool mmap2;
bool cloexec;
bool clockid;
bool clockid_wrong;
bool lbr_flags;
bool write_backward;
bool group_read;
bool ksymbol;
bool bpf;
bool aux_output;
};
extern struct perf_missing_features perf_missing_features;
struct perf_cpu_map;
struct target;
struct thread_map;
struct record_opts;
static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel)
{
return perf_evsel__cpus(&evsel->core);
}
static inline int perf_evsel__nr_cpus(struct evsel *evsel)
{
return evsel__cpus(evsel)->nr;
}
void perf_counts_values__scale(struct perf_counts_values *count,
bool scale, s8 *pscaled);
void perf_evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
struct perf_counts_values *count);
int perf_evsel__object_config(size_t object_size,
int (*init)(struct evsel *evsel),
void (*fini)(struct evsel *evsel));
struct evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
static inline struct evsel *evsel__new(struct perf_event_attr *attr)
{
return perf_evsel__new_idx(attr, 0);
}
struct 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 evsel *perf_evsel__newtp(const char *sys, const char *name)
{
return perf_evsel__newtp_idx(sys, name, 0);
}
struct evsel *perf_evsel__new_cycles(bool precise);
struct tep_event *event_format__new(const char *sys, const char *name);
void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx);
void perf_evsel__exit(struct evsel *evsel);
void evsel__delete(struct evsel *evsel);
struct callchain_param;
void perf_evsel__config(struct evsel *evsel,
struct record_opts *opts,
struct callchain_param *callchain);
void perf_evsel__config_callchain(struct 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 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 evsel *evsel);
const char *perf_evsel__group_name(struct evsel *evsel);
int perf_evsel__group_desc(struct evsel *evsel, char *buf, size_t size);
void __perf_evsel__set_sample_bit(struct evsel *evsel,
enum perf_event_sample_format bit);
void __perf_evsel__reset_sample_bit(struct 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 evsel *evsel,
bool use_sample_identifier);
int perf_evsel__set_filter(struct evsel *evsel, const char *filter);
int perf_evsel__append_tp_filter(struct evsel *evsel, const char *filter);
int perf_evsel__append_addr_filter(struct evsel *evsel,
const char *filter
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