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