153 строки
4.6 KiB
C
153 строки
4.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PMU_H
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#define __PMU_H
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#include <linux/bitmap.h>
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#include <linux/compiler.h>
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#include <linux/perf_event.h>
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#include <linux/list.h>
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#include <stdbool.h>
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#include "parse-events.h"
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#include "pmu-events/pmu-events.h"
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struct evsel_config_term;
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struct perf_cpu_map;
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enum {
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PERF_PMU_FORMAT_VALUE_CONFIG,
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PERF_PMU_FORMAT_VALUE_CONFIG1,
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PERF_PMU_FORMAT_VALUE_CONFIG2,
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};
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#define PERF_PMU_FORMAT_BITS 64
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#define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/"
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#define CPUS_TEMPLATE_CPU "%s/bus/event_source/devices/%s/cpus"
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#define MAX_PMU_NAME_LEN 128
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struct perf_event_attr;
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struct perf_pmu_caps {
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char *name;
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char *value;
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struct list_head list;
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};
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struct perf_pmu {
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char *name;
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char *alias_name;
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char *id;
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__u32 type;
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bool selectable;
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bool is_uncore;
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bool is_hybrid;
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bool auxtrace;
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int max_precise;
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struct perf_event_attr *default_config;
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struct perf_cpu_map *cpus;
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struct list_head format; /* HEAD struct perf_pmu_format -> list */
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struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
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struct list_head caps; /* HEAD struct perf_pmu_caps -> list */
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struct list_head list; /* ELEM */
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struct list_head hybrid_list;
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struct {
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bool exclude_guest;
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} missing_features;
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};
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extern struct perf_pmu perf_pmu__fake;
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struct perf_pmu_info {
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const char *unit;
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const char *metric_expr;
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const char *metric_name;
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double scale;
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bool per_pkg;
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bool snapshot;
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};
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#define UNIT_MAX_LEN 31 /* max length for event unit name */
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struct perf_pmu_alias {
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char *name;
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char *desc;
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char *long_desc;
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char *topic;
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char *str;
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struct list_head terms; /* HEAD struct parse_events_term -> list */
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struct list_head list; /* ELEM */
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char unit[UNIT_MAX_LEN+1];
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double scale;
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bool per_pkg;
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bool snapshot;
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bool deprecated;
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char *metric_expr;
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char *metric_name;
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char *pmu_name;
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};
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struct perf_pmu *perf_pmu__find(const char *name);
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struct perf_pmu *perf_pmu__find_by_type(unsigned int type);
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void pmu_add_sys_aliases(struct list_head *head, struct perf_pmu *pmu);
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int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
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struct list_head *head_terms,
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struct parse_events_error *error);
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int perf_pmu__config_terms(const char *pmu_name, struct list_head *formats,
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struct perf_event_attr *attr,
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struct list_head *head_terms,
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bool zero, struct parse_events_error *error);
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__u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
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int perf_pmu__format_type(struct list_head *formats, const char *name);
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int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
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struct perf_pmu_info *info);
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struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
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struct list_head *head_terms);
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void perf_pmu_error(struct list_head *list, char *name, char const *msg);
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int perf_pmu__new_format(struct list_head *list, char *name,
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int config, unsigned long *bits);
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void perf_pmu__set_format(unsigned long *bits, long from, long to);
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int perf_pmu__format_parse(char *dir, struct list_head *head);
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void perf_pmu__del_formats(struct list_head *formats);
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struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
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bool is_pmu_core(const char *name);
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void print_pmu_events(const char *event_glob, bool name_only, bool quiet,
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bool long_desc, bool details_flag,
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bool deprecated, const char *pmu_name);
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bool pmu_have_event(const char *pname, const char *name);
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int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4);
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int perf_pmu__test(void);
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struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
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void pmu_add_cpu_aliases_map(struct list_head *head, struct perf_pmu *pmu,
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const struct pmu_events_map *map);
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const struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu);
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const struct pmu_events_map *pmu_events_map__find(void);
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bool pmu_uncore_alias_match(const char *pmu_name, const char *name);
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void perf_pmu_free_alias(struct perf_pmu_alias *alias);
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typedef int (*pmu_sys_event_iter_fn)(const struct pmu_event *pe, void *data);
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void pmu_for_each_sys_event(pmu_sys_event_iter_fn fn, void *data);
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int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
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int perf_pmu__caps_parse(struct perf_pmu *pmu);
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void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config,
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const char *name);
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bool perf_pmu__has_hybrid(void);
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int perf_pmu__match(char *pattern, char *name, char *tok);
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int perf_pmu__cpus_match(struct perf_pmu *pmu, struct perf_cpu_map *cpus,
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struct perf_cpu_map **mcpus_ptr,
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struct perf_cpu_map **ucpus_ptr);
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char *pmu_find_real_name(const char *name);
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char *pmu_find_alias_name(const char *name);
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#endif /* __PMU_H */
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