| /* 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" |
| |
| struct perf_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 { |
| char *name; |
| __u32 type; |
| bool selectable; |
| bool is_uncore; |
| 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 list; /* ELEM */ |
| }; |
| |
| 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; |
| char *metric_expr; |
| char *metric_name; |
| }; |
| |
| struct perf_pmu *perf_pmu__find(const char *name); |
| 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(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__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); |
| int perf_pmu_wrap(void); |
| 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); |
| |
| void print_pmu_events(const char *event_glob, bool name_only, bool quiet, |
| bool long_desc, bool details_flag); |
| 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); |
| |
| struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu); |
| |
| int perf_pmu__convert_scale(const char *scale, char **end, double *sval); |
| |
| #endif /* __PMU_H */ |