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