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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/util/pmu.h | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/pmu.h')
-rw-r--r-- | tools/perf/util/pmu.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h new file mode 100644 index 000000000..7d208b850 --- /dev/null +++ b/tools/perf/util/pmu.h @@ -0,0 +1,128 @@ +/* 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 <stdbool.h> +#include "parse-events.h" +#include "pmu-events/pmu-events.h" + +struct evsel_config_term; + +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/" + +struct perf_event_attr; + +struct perf_pmu_caps { + char *name; + char *value; + struct list_head list; +}; + +struct perf_pmu { + char *name; + __u32 type; + bool selectable; + bool is_uncore; + 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 */ + struct list_head caps; /* HEAD struct perf_pmu_caps -> list */ + struct list_head list; /* ELEM */ +}; + +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; +}; + +struct perf_pmu *perf_pmu__find(const char *name); +struct perf_pmu *perf_pmu__find_by_type(unsigned int type); +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); +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_map(struct list_head *head, struct perf_pmu *pmu, + struct pmu_events_map *map); + +struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu); +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, + char *name); +void perf_pmu__warn_invalid_formats(struct perf_pmu *pmu); + +#endif /* __PMU_H */ |