153 lines
4.6 KiB
C
153 lines
4.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __PMU_H
|
|
#define __PMU_H
|
|
|
|
#include <linux/bitmap.h>
|
|
#include <linux/compiler.h>
|
|
#include <linux/perf_event.h>
|
|
#include <linux/list.h>
|
|
#include <stdbool.h>
|
|
#include "parse-events.h"
|
|
#include "pmu-events/pmu-events.h"
|
|
|
|
struct evsel_config_term;
|
|
struct perf_cpu_map;
|
|
|
|
enum {
|
|
PERF_PMU_FORMAT_VALUE_CONFIG,
|
|
PERF_PMU_FORMAT_VALUE_CONFIG1,
|
|
PERF_PMU_FORMAT_VALUE_CONFIG2,
|
|
};
|
|
|
|
#define PERF_PMU_FORMAT_BITS 64
|
|
#define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/"
|
|
#define CPUS_TEMPLATE_CPU "%s/bus/event_source/devices/%s/cpus"
|
|
#define MAX_PMU_NAME_LEN 128
|
|
|
|
struct perf_event_attr;
|
|
|
|
struct perf_pmu_caps {
|
|
char *name;
|
|
char *value;
|
|
struct list_head list;
|
|
};
|
|
|
|
struct perf_pmu {
|
|
char *name;
|
|
char *alias_name;
|
|
char *id;
|
|
__u32 type;
|
|
bool selectable;
|
|
bool is_uncore;
|
|
bool is_hybrid;
|
|
bool auxtrace;
|
|
int max_precise;
|
|
struct perf_event_attr *default_config;
|
|
struct perf_cpu_map *cpus;
|
|
struct list_head format; /* HEAD struct perf_pmu_format -> list */
|
|
struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
|
|
struct list_head caps; /* HEAD struct perf_pmu_caps -> list */
|
|
struct list_head list; /* ELEM */
|
|
struct list_head hybrid_list;
|
|
|
|
struct {
|
|
bool exclude_guest;
|
|
} missing_features;
|
|
};
|
|
|
|
extern struct perf_pmu perf_pmu__fake;
|
|
|
|
struct perf_pmu_info {
|
|
const char *unit;
|
|
const char *metric_expr;
|
|
const char *metric_name;
|
|
double scale;
|
|
bool per_pkg;
|
|
bool snapshot;
|
|
};
|
|
|
|
#define UNIT_MAX_LEN 31 /* max length for event unit name */
|
|
|
|
struct perf_pmu_alias {
|
|
char *name;
|
|
char *desc;
|
|
char *long_desc;
|
|
char *topic;
|
|
char *str;
|
|
struct list_head terms; /* HEAD struct parse_events_term -> list */
|
|
struct list_head list; /* ELEM */
|
|
char unit[UNIT_MAX_LEN+1];
|
|
double scale;
|
|
bool per_pkg;
|
|
bool snapshot;
|
|
bool deprecated;
|
|
char *metric_expr;
|
|
char *metric_name;
|
|
char *pmu_name;
|
|
};
|
|
|
|
struct perf_pmu *perf_pmu__find(const char *name);
|
|
struct perf_pmu *perf_pmu__find_by_type(unsigned int type);
|
|
void pmu_add_sys_aliases(struct list_head *head, struct perf_pmu *pmu);
|
|
int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
|
|
struct list_head *head_terms,
|
|
struct parse_events_error *error);
|
|
int perf_pmu__config_terms(const char *pmu_name, struct list_head *formats,
|
|
struct perf_event_attr *attr,
|
|
struct list_head *head_terms,
|
|
bool zero, struct parse_events_error *error);
|
|
__u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
|
|
int perf_pmu__format_type(struct list_head *formats, const char *name);
|
|
int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
|
|
struct perf_pmu_info *info);
|
|
struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
|
|
struct list_head *head_terms);
|
|
void perf_pmu_error(struct list_head *list, char *name, char const *msg);
|
|
|
|
int perf_pmu__new_format(struct list_head *list, char *name,
|
|
int config, unsigned long *bits);
|
|
void perf_pmu__set_format(unsigned long *bits, long from, long to);
|
|
int perf_pmu__format_parse(char *dir, struct list_head *head);
|
|
void perf_pmu__del_formats(struct list_head *formats);
|
|
|
|
struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
|
|
|
|
bool is_pmu_core(const char *name);
|
|
void print_pmu_events(const char *event_glob, bool name_only, bool quiet,
|
|
bool long_desc, bool details_flag,
|
|
bool deprecated, const char *pmu_name);
|
|
bool pmu_have_event(const char *pname, const char *name);
|
|
|
|
int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4);
|
|
|
|
int perf_pmu__test(void);
|
|
|
|
struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
|
|
void pmu_add_cpu_aliases_map(struct list_head *head, struct perf_pmu *pmu,
|
|
const struct pmu_events_map *map);
|
|
|
|
const struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu);
|
|
const struct pmu_events_map *pmu_events_map__find(void);
|
|
bool pmu_uncore_alias_match(const char *pmu_name, const char *name);
|
|
void perf_pmu_free_alias(struct perf_pmu_alias *alias);
|
|
|
|
typedef int (*pmu_sys_event_iter_fn)(const struct pmu_event *pe, void *data);
|
|
void pmu_for_each_sys_event(pmu_sys_event_iter_fn fn, void *data);
|
|
int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
|
|
|
|
int perf_pmu__caps_parse(struct perf_pmu *pmu);
|
|
|
|
void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config,
|
|
const char *name);
|
|
|
|
bool perf_pmu__has_hybrid(void);
|
|
int perf_pmu__match(char *pattern, char *name, char *tok);
|
|
|
|
int perf_pmu__cpus_match(struct perf_pmu *pmu, struct perf_cpu_map *cpus,
|
|
struct perf_cpu_map **mcpus_ptr,
|
|
struct perf_cpu_map **ucpus_ptr);
|
|
|
|
char *pmu_find_real_name(const char *name);
|
|
char *pmu_find_alias_name(const char *name);
|
|
#endif /* __PMU_H */
|