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