1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __PMU_H 3 #define __PMU_H 4 5 #include <linux/bitmap.h> 6 #include <linux/compiler.h> 7 #include <linux/perf_event.h> 8 #include <stdbool.h> 9 #include "evsel.h" 10 #include "parse-events.h" 11 12 enum { 13 PERF_PMU_FORMAT_VALUE_CONFIG, 14 PERF_PMU_FORMAT_VALUE_CONFIG1, 15 PERF_PMU_FORMAT_VALUE_CONFIG2, 16 }; 17 18 #define PERF_PMU_FORMAT_BITS 64 19 20 struct perf_event_attr; 21 22 struct perf_pmu { 23 char *name; 24 __u32 type; 25 bool selectable; 26 bool is_uncore; 27 struct perf_event_attr *default_config; 28 struct cpu_map *cpus; 29 struct list_head format; /* HEAD struct perf_pmu_format -> list */ 30 struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */ 31 struct list_head list; /* ELEM */ 32 int (*set_drv_config) (struct perf_evsel_config_term *term); 33 }; 34 35 struct perf_pmu_info { 36 const char *unit; 37 const char *metric_expr; 38 const char *metric_name; 39 double scale; 40 bool per_pkg; 41 bool snapshot; 42 }; 43 44 #define UNIT_MAX_LEN 31 /* max length for event unit name */ 45 46 struct perf_pmu_alias { 47 char *name; 48 char *desc; 49 char *long_desc; 50 char *topic; 51 char *str; 52 struct list_head terms; /* HEAD struct parse_events_term -> list */ 53 struct list_head list; /* ELEM */ 54 char unit[UNIT_MAX_LEN+1]; 55 double scale; 56 bool per_pkg; 57 bool snapshot; 58 char *metric_expr; 59 char *metric_name; 60 }; 61 62 struct perf_pmu *perf_pmu__find(const char *name); 63 int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, 64 struct list_head *head_terms, 65 struct parse_events_error *error); 66 int perf_pmu__config_terms(struct list_head *formats, 67 struct perf_event_attr *attr, 68 struct list_head *head_terms, 69 bool zero, struct parse_events_error *error); 70 __u64 perf_pmu__format_bits(struct list_head *formats, const char *name); 71 int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms, 72 struct perf_pmu_info *info); 73 struct list_head *perf_pmu__alias(struct perf_pmu *pmu, 74 struct list_head *head_terms); 75 int perf_pmu_wrap(void); 76 void perf_pmu_error(struct list_head *list, char *name, char const *msg); 77 78 int perf_pmu__new_format(struct list_head *list, char *name, 79 int config, unsigned long *bits); 80 void perf_pmu__set_format(unsigned long *bits, long from, long to); 81 int perf_pmu__format_parse(char *dir, struct list_head *head); 82 83 struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); 84 85 void print_pmu_events(const char *event_glob, bool name_only, bool quiet, 86 bool long_desc, bool details_flag); 87 bool pmu_have_event(const char *pname, const char *name); 88 89 int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4); 90 91 int perf_pmu__test(void); 92 93 struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu); 94 95 struct pmu_events_map *perf_pmu__find_map(void); 96 97 #endif /* __PMU_H */ 98