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- /* 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 <stdbool.h>
- #include "parse-events.h"
- #include "pmu-events/pmu-events.h"
- struct evsel_config_term;
- 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/"
- struct perf_event_attr;
- struct perf_pmu_caps {
- char *name;
- char *value;
- struct list_head list;
- };
- struct perf_pmu {
- char *name;
- __u32 type;
- bool selectable;
- bool is_uncore;
- 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 */
- };
- 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;
- };
- struct perf_pmu *perf_pmu__find(const char *name);
- struct perf_pmu *perf_pmu__find_by_type(unsigned int type);
- 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);
- 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,
- struct pmu_events_map *map);
- struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu);
- bool pmu_uncore_alias_match(const char *pmu_name, const char *name);
- void perf_pmu_free_alias(struct perf_pmu_alias *alias);
- int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
- int perf_pmu__caps_parse(struct perf_pmu *pmu);
- #endif /* __PMU_H */
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