diff options
Diffstat (limited to 'tools/perf/util/pmu.h')
| -rw-r--r-- | tools/perf/util/pmu.h | 122 |
1 files changed, 49 insertions, 73 deletions
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 6b414cecbad2..6a4e170c61d6 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -39,7 +39,7 @@ struct perf_pmu_caps { */ struct perf_pmu { /** @name: The name of the PMU such as "cpu". */ - char *name; + const char *name; /** * @alias_name: Optional alternate name for the PMU determined in * architecture specific code. @@ -49,7 +49,7 @@ struct perf_pmu { * @id: Optional PMU identifier read from * <sysfs>/bus/event_source/devices/<name>/identifier. */ - char *id; + const char *id; /** * @type: Perf event attributed type value, read from * <sysfs>/bus/event_source/devices/<name>/type. @@ -114,6 +114,21 @@ struct perf_pmu { * from json events in pmu-events.c. */ struct list_head aliases; + /** + * @events_table: The events table for json events in pmu-events.c. + */ + const struct pmu_events_table *events_table; + /** @sysfs_aliases: Number of sysfs aliases loaded. */ + uint32_t sysfs_aliases; + /** @sysfs_aliases: Number of json event aliases loaded. */ + uint32_t loaded_json_aliases; + /** @sysfs_aliases_loaded: Are sysfs aliases loaded from disk? */ + bool sysfs_aliases_loaded; + /** + * @cpu_aliases_added: Have all json events table entries for the PMU + * been added? + */ + bool cpu_aliases_added; /** @caps_initialized: Has the list caps been initialized? */ bool caps_initialized; /** @nr_caps: The length of the list caps. */ @@ -158,88 +173,49 @@ struct perf_pmu_info { bool snapshot; }; -#define UNIT_MAX_LEN 31 /* max length for event unit name */ - -/** - * struct perf_pmu_alias - An event either read from sysfs or builtin in - * pmu-events.c, created by parsing the pmu-events json files. - */ -struct perf_pmu_alias { - /** @name: Name of the event like "mem-loads". */ - char *name; - /** @desc: Optional short description of the event. */ - char *desc; - /** @long_desc: Optional long description. */ - char *long_desc; - /** - * @topic: Optional topic such as cache or pipeline, particularly for - * json events. - */ - char *topic; - /** - * @str: Comma separated parameter list like - * "event=0xcd,umask=0x1,ldlat=0x3". - */ - char *str; - /** @terms: Owned list of the original parsed parameters. */ - struct list_head terms; - /** @list: List element of struct perf_pmu aliases. */ - struct list_head list; - /** @unit: Units for the event, such as bytes or cache lines. */ - char unit[UNIT_MAX_LEN+1]; - /** @scale: Value to scale read counter values by. */ - double scale; - /** - * @per_pkg: Does the file - * <sysfs>/bus/event_source/devices/<pmu_name>/events/<name>.per-pkg or - * equivalent json value exist and have the value 1. - */ - bool per_pkg; - /** - * @snapshot: Does the file - * <sysfs>/bus/event_source/devices/<pmu_name>/events/<name>.snapshot - * exist and have the value 1. - */ - bool snapshot; - /** - * @deprecated: Is the event hidden and so not shown in perf list by - * default. - */ +struct pmu_event_info { + const struct perf_pmu *pmu; + const char *name; + const char* alias; + const char *scale_unit; + const char *desc; + const char *long_desc; + const char *encoding_desc; + const char *topic; + const char *pmu_name; + const char *str; bool deprecated; - /** - * @pmu_name: The name copied from the json struct pmu_event. This can - * differ from the PMU name as it won't have suffixes. - */ - char *pmu_name; }; -void pmu_add_sys_aliases(struct list_head *head, struct perf_pmu *pmu); +typedef int (*pmu_event_callback)(void *state, struct pmu_event_info *info); + +void pmu_add_sys_aliases(struct perf_pmu *pmu); int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, struct list_head *head_terms, struct parse_events_error *error); -int perf_pmu__config_terms(const char *pmu_name, struct list_head *formats, +int perf_pmu__config_terms(struct perf_pmu *pmu, struct perf_event_attr *attr, struct list_head *head_terms, bool zero, struct parse_events_error *error); -__u64 perf_pmu__format_bits(struct list_head *formats, const char *name); -int perf_pmu__format_type(struct list_head *formats, const char *name); +__u64 perf_pmu__format_bits(struct perf_pmu *pmu, const char *name); +int perf_pmu__format_type(struct perf_pmu *pmu, const char *name); 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); -void perf_pmu_error(struct list_head *list, char *name, void *scanner, char const *msg); + struct perf_pmu_info *info, struct parse_events_error *err); +int perf_pmu__find_event(struct perf_pmu *pmu, const char *event, void *state, pmu_event_callback cb); -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(int dirfd, struct list_head *head); -void perf_pmu__del_formats(struct list_head *formats); +int perf_pmu__format_parse(struct perf_pmu *pmu, int dirfd, bool eager_load); +void perf_pmu_format__set_value(void *format, int config, unsigned long *bits); bool perf_pmu__has_format(const struct perf_pmu *pmu, const char *name); bool is_pmu_core(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); +bool perf_pmu__have_event(struct perf_pmu *pmu, const char *name); +size_t perf_pmu__num_events(struct perf_pmu *pmu); +int perf_pmu__for_each_event(struct perf_pmu *pmu, bool skip_duplicate_pmus, + void *state, pmu_event_callback cb); +bool pmu__name_match(const struct perf_pmu *pmu, const char *pmu_name); + /** * perf_pmu_is_software - is the PMU a software PMU as in it uses the * perf_sw_context in the kernel? @@ -258,13 +234,12 @@ bool perf_pmu__file_exists(struct perf_pmu *pmu, const char *name); int perf_pmu__test(void); struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu); -void pmu_add_cpu_aliases_table(struct list_head *head, struct perf_pmu *pmu, +void pmu_add_cpu_aliases_table(struct perf_pmu *pmu, const struct pmu_events_table *table); char *perf_pmu__getcpuid(struct perf_pmu *pmu); const struct pmu_events_table *pmu_events_table__find(void); const struct pmu_metrics_table *pmu_metrics_table__find(void); -void perf_pmu_free_alias(struct perf_pmu_alias *alias); int perf_pmu__convert_scale(const char *scale, char **end, double *sval); @@ -275,10 +250,10 @@ void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config, const char *config_name); void perf_pmu__warn_invalid_formats(struct perf_pmu *pmu); -int perf_pmu__match(char *pattern, char *name, char *tok); +int perf_pmu__match(const char *pattern, const char *name, const char *tok); -char *pmu_find_real_name(const char *name); -char *pmu_find_alias_name(const char *name); +const char *pmu_find_real_name(const char *name); +const char *pmu_find_alias_name(const char *name); double perf_pmu__cpu_slots_per_cycle(void); int perf_pmu__event_source_devices_scnprintf(char *pathname, size_t size); int perf_pmu__pathname_scnprintf(char *buf, size_t size, @@ -289,5 +264,6 @@ int perf_pmu__pathname_fd(int dirfd, const char *pmu_name, const char *filename, 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); +struct perf_pmu *pmu__find_core_pmu(void); #endif /* __PMU_H */ |