diff options
Diffstat (limited to 'tools/perf/util/pmu.h')
| -rw-r--r-- | tools/perf/util/pmu.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h new file mode 100644 index 000000000..68e15c38a --- /dev/null +++ b/tools/perf/util/pmu.h @@ -0,0 +1,154 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PMU_H +#define __PMU_H + +#include <linux/bitmap.h> +#include <linux/compiler.h> +#include <linux/perf_event.h> +#include <linux/list.h> +#include <stdbool.h> +#include "parse-events.h" +#include "pmu-events/pmu-events.h" + +struct evsel_config_term; +struct perf_cpu_map; + +enum { + PERF_PMU_FORMAT_VALUE_CONFIG, + PERF_PMU_FORMAT_VALUE_CONFIG1, + PERF_PMU_FORMAT_VALUE_CONFIG2, + PERF_PMU_FORMAT_VALUE_CONFIG_END, +}; + +#define PERF_PMU_FORMAT_BITS 64 +#define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/" +#define CPUS_TEMPLATE_CPU "%s/bus/event_source/devices/%s/cpus" +#define MAX_PMU_NAME_LEN 128 + +struct perf_event_attr; + +struct perf_pmu_caps { + char *name; + char *value; + struct list_head list; +}; + +struct perf_pmu { + char *name; + char *alias_name; + char *id; + __u32 type; + bool selectable; + bool is_uncore; + bool is_hybrid; + bool auxtrace; + int max_precise; + struct perf_event_attr *default_config; + struct perf_cpu_map *cpus; + struct list_head format; /* HEAD struct perf_pmu_format -> list */ + struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */ + bool caps_initialized; + u32 nr_caps; + struct list_head caps; /* HEAD struct perf_pmu_caps -> list */ + struct list_head list; /* ELEM */ + struct list_head hybrid_list; + + struct { + bool exclude_guest; + } missing_features; +}; + +extern struct perf_pmu perf_pmu__fake; + +struct perf_pmu_info { + const char *unit; + const char *metric_expr; + const char *metric_name; + double scale; + bool per_pkg; + bool snapshot; +}; + +#define UNIT_MAX_LEN 31 /* max length for event unit name */ + +struct perf_pmu_alias { + char *name; + char *desc; + char *long_desc; + char *topic; + char *str; + 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; + bool deprecated; + char *metric_expr; + char *metric_name; + 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, + struct parse_events_error *error); +int perf_pmu__config_terms(const char *pmu_name, struct list_head *formats, + 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); +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, 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); +void perf_pmu__del_formats(struct list_head *formats); + +struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); + +bool is_pmu_core(const char *name); +void print_pmu_events(const char *event_glob, bool name_only, bool quiet, + bool long_desc, bool details_flag, + bool deprecated, const char *pmu_name); +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, ...) __scanf(3, 4); + +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, + const struct pmu_events_table *table); + +char *perf_pmu__getcpuid(struct perf_pmu *pmu); +const struct pmu_events_table *pmu_events_table__find(void); +bool pmu_uncore_alias_match(const char *pmu_name, const char *name); +void perf_pmu_free_alias(struct perf_pmu_alias *alias); + +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); +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); +#endif /* __PMU_H */ |