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 double scale; 35 bool per_pkg; 36 bool snapshot; 37 }; 38 39 #define UNIT_MAX_LEN 31 /* max length for event unit name */ 40 41 struct perf_pmu_alias { 42 char *name; 43 struct list_head terms; /* HEAD struct parse_events_term -> list */ 44 struct list_head list; /* ELEM */ 45 char unit[UNIT_MAX_LEN+1]; 46 double scale; 47 bool per_pkg; 48 bool snapshot; 49 }; 50 51 struct perf_pmu *perf_pmu__find(const char *name); 52 int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, 53 struct list_head *head_terms, 54 struct parse_events_error *error); 55 int perf_pmu__config_terms(struct list_head *formats, 56 struct perf_event_attr *attr, 57 struct list_head *head_terms, 58 bool zero, struct parse_events_error *error); 59 __u64 perf_pmu__format_bits(struct list_head *formats, const char *name); 60 int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms, 61 struct perf_pmu_info *info); 62 struct list_head *perf_pmu__alias(struct perf_pmu *pmu, 63 struct list_head *head_terms); 64 int perf_pmu_wrap(void); 65 void perf_pmu_error(struct list_head *list, char *name, char const *msg); 66 67 int perf_pmu__new_format(struct list_head *list, char *name, 68 int config, unsigned long *bits); 69 void perf_pmu__set_format(unsigned long *bits, long from, long to); 70 int perf_pmu__format_parse(char *dir, struct list_head *head); 71 72 struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); 73 74 void print_pmu_events(const char *event_glob, bool name_only); 75 bool pmu_have_event(const char *pname, const char *name); 76 77 int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, 78 ...) __attribute__((format(scanf, 3, 4))); 79 80 int perf_pmu__test(void); 81 82 struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu); 83 84 #endif /* __PMU_H */ 85