diff options
Diffstat (limited to 'kernel/tools/perf/util/pmu.h')
-rw-r--r-- | kernel/tools/perf/util/pmu.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/kernel/tools/perf/util/pmu.h b/kernel/tools/perf/util/pmu.h new file mode 100644 index 000000000..6b1249fbd --- /dev/null +++ b/kernel/tools/perf/util/pmu.h @@ -0,0 +1,79 @@ +#ifndef __PMU_H +#define __PMU_H + +#include <linux/bitmap.h> +#include <linux/perf_event.h> +#include <stdbool.h> + +enum { + PERF_PMU_FORMAT_VALUE_CONFIG, + PERF_PMU_FORMAT_VALUE_CONFIG1, + PERF_PMU_FORMAT_VALUE_CONFIG2, +}; + +#define PERF_PMU_FORMAT_BITS 64 + +struct perf_event_attr; + +struct perf_pmu { + char *name; + __u32 type; + bool selectable; + struct perf_event_attr *default_config; + struct cpu_map *cpus; + struct list_head format; /* HEAD struct perf_pmu_format -> list */ + struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */ + struct list_head list; /* ELEM */ +}; + +struct perf_pmu_info { + const char *unit; + double scale; + bool per_pkg; + bool snapshot; +}; + +#define UNIT_MAX_LEN 31 /* max length for event unit name */ + +struct perf_pmu_alias { + char *name; + struct list_head terms; /* HEAD struct parse_events_term -> list */ + struct list_head list; /* ELEM */ + char unit[UNIT_MAX_LEN+1]; + double scale; + bool per_pkg; + bool snapshot; +}; + +struct perf_pmu *perf_pmu__find(const char *name); +int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, + struct list_head *head_terms); +int perf_pmu__config_terms(struct list_head *formats, + struct perf_event_attr *attr, + struct list_head *head_terms, + bool zero); +int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms, + struct perf_pmu_info *info); +struct list_head *perf_pmu__alias(struct perf_pmu *pmu, + struct list_head *head_terms); +int perf_pmu_wrap(void); +void perf_pmu_error(struct list_head *list, char *name, char const *msg); + +int perf_pmu__new_format(struct list_head *list, char *name, + int config, unsigned long *bits); +void perf_pmu__set_format(unsigned long *bits, long from, long to); +int perf_pmu__format_parse(char *dir, struct list_head *head); + +struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); + +void print_pmu_events(const char *event_glob, bool name_only); +bool pmu_have_event(const char *pname, const char *name); + +int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, + ...) __attribute__((format(scanf, 3, 4))); + +int perf_pmu__test(void); + +struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu); + +#endif /* __PMU_H */ |