diff options
Diffstat (limited to 'tools/perf/util/pmu.h')
| -rw-r--r-- | tools/perf/util/pmu.h | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index b9a02dedd473..6b414cecbad2 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -60,6 +60,13 @@ struct perf_pmu { */ bool selectable; /** + * @is_core: Is the PMU the core CPU PMU? Determined by the name being + * "cpu" or by the presence of + * <sysfs>/bus/event_source/devices/<name>/cpus. There may be >1 core + * PMU on systems like Intel hybrid. + */ + bool is_core; + /** * @is_uncore: Is the PMU not within the CPU core? Determined by the * presence of <sysfs>/bus/event_source/devices/<name>/cpumask. */ @@ -70,6 +77,15 @@ struct perf_pmu { */ bool auxtrace; /** + * @formats_checked: Only check PMU's formats are valid for + * perf_event_attr once. + */ + bool formats_checked; + /** @config_masks_present: Are there config format values? */ + bool config_masks_present; + /** @config_masks_computed: Set when masks are lazily computed. */ + bool config_masks_computed; + /** * @max_precise: Number of levels of :ppp precision supported by the * PMU, read from * <sysfs>/bus/event_source/devices/<name>/caps/max_precise. @@ -112,8 +128,12 @@ struct perf_pmu { struct list_head caps; /** @list: Element on pmus list in pmu.c. */ struct list_head list; - /** @hybrid_list: Element on perf_pmu__hybrid_pmus. */ - struct list_head hybrid_list; + + /** + * @config_masks: Derived from the PMU's format data, bits that are + * valid within the config value. + */ + __u64 config_masks[PERF_PMU_FORMAT_VALUE_CONFIG_END]; /** * @missing_features: Features to inhibit when events on this PMU are @@ -193,8 +213,6 @@ struct perf_pmu_alias { char *pmu_name; }; -struct perf_pmu *perf_pmu__find(const char *name); -struct perf_pmu *perf_pmu__find_by_type(unsigned int type); void pmu_add_sys_aliases(struct list_head *head, struct perf_pmu *pmu); int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, struct list_head *head_terms, @@ -216,12 +234,17 @@ int perf_pmu__new_format(struct list_head *list, char *name, void perf_pmu__set_format(unsigned long *bits, long from, long to); int perf_pmu__format_parse(int dirfd, struct list_head *head); void perf_pmu__del_formats(struct list_head *formats); - -struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); +bool perf_pmu__has_format(const struct perf_pmu *pmu, const char *name); bool is_pmu_core(const char *name); -void print_pmu_events(const struct print_callbacks *print_cb, void *print_state); -bool pmu_have_event(const char *pname, const char *name); +bool perf_pmu__supports_legacy_cache(const struct perf_pmu *pmu); +bool perf_pmu__auto_merge_stats(const struct perf_pmu *pmu); +bool perf_pmu__have_event(const struct perf_pmu *pmu, const char *name); +/** + * perf_pmu_is_software - is the PMU a software PMU as in it uses the + * perf_sw_context in the kernel? + */ +bool perf_pmu__is_software(const struct perf_pmu *pmu); FILE *perf_pmu__open_file(struct perf_pmu *pmu, const char *name); FILE *perf_pmu__open_file_at(struct perf_pmu *pmu, int dirfd, const char *name); @@ -248,16 +271,12 @@ int perf_pmu__convert_scale(const char *scale, char **end, double *sval); int perf_pmu__caps_parse(struct perf_pmu *pmu); void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config, - const char *name); + const char *name, int config_num, + const char *config_name); void perf_pmu__warn_invalid_formats(struct perf_pmu *pmu); -bool perf_pmu__has_hybrid(void); int perf_pmu__match(char *pattern, char *name, char *tok); -int perf_pmu__cpus_match(struct perf_pmu *pmu, struct perf_cpu_map *cpus, - struct perf_cpu_map **mcpus_ptr, - struct perf_cpu_map **ucpus_ptr); - char *pmu_find_real_name(const char *name); char *pmu_find_alias_name(const char *name); double perf_pmu__cpu_slots_per_cycle(void); @@ -267,6 +286,8 @@ int perf_pmu__pathname_scnprintf(char *buf, size_t size, int perf_pmu__event_source_devices_fd(void); int perf_pmu__pathname_fd(int dirfd, const char *pmu_name, const char *filename, int flags); -void perf_pmu__destroy(void); +struct perf_pmu *perf_pmu__lookup(struct list_head *pmus, int dirfd, const char *lookup_name); +struct perf_pmu *perf_pmu__create_placeholder_core_pmu(struct list_head *core_pmus); +void perf_pmu__delete(struct perf_pmu *pmu); #endif /* __PMU_H */ |