1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/bitmap.h>
6 #include <linux/compiler.h>
7 #include <linux/perf_event.h>
8 #include <linux/list.h>
10 #include "parse-events.h"
11 #include "pmu-events/pmu-events.h"
13 struct evsel_config_term;
17 PERF_PMU_FORMAT_VALUE_CONFIG,
18 PERF_PMU_FORMAT_VALUE_CONFIG1,
19 PERF_PMU_FORMAT_VALUE_CONFIG2,
22 #define PERF_PMU_FORMAT_BITS 64
23 #define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/"
24 #define CPUS_TEMPLATE_CPU "%s/bus/event_source/devices/%s/cpus"
25 #define MAX_PMU_NAME_LEN 128
27 struct perf_event_attr;
29 struct perf_pmu_caps {
32 struct list_head list;
45 struct perf_event_attr *default_config;
46 struct perf_cpu_map *cpus;
47 struct list_head format; /* HEAD struct perf_pmu_format -> list */
48 struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
49 struct list_head caps; /* HEAD struct perf_pmu_caps -> list */
50 struct list_head list; /* ELEM */
51 struct list_head hybrid_list;
54 extern struct perf_pmu perf_pmu__fake;
56 struct perf_pmu_info {
58 const char *metric_expr;
59 const char *metric_name;
65 #define UNIT_MAX_LEN 31 /* max length for event unit name */
67 struct perf_pmu_alias {
73 struct list_head terms; /* HEAD struct parse_events_term -> list */
74 struct list_head list; /* ELEM */
75 char unit[UNIT_MAX_LEN+1];
85 struct perf_pmu *perf_pmu__find(const char *name);
86 struct perf_pmu *perf_pmu__find_by_type(unsigned int type);
87 void pmu_add_sys_aliases(struct list_head *head, struct perf_pmu *pmu);
88 int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
89 struct list_head *head_terms,
90 struct parse_events_error *error);
91 int perf_pmu__config_terms(const char *pmu_name, struct list_head *formats,
92 struct perf_event_attr *attr,
93 struct list_head *head_terms,
94 bool zero, struct parse_events_error *error);
95 __u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
96 int perf_pmu__format_type(struct list_head *formats, const char *name);
97 int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
98 struct perf_pmu_info *info);
99 struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
100 struct list_head *head_terms);
101 void perf_pmu_error(struct list_head *list, char *name, char const *msg);
103 int perf_pmu__new_format(struct list_head *list, char *name,
104 int config, unsigned long *bits);
105 void perf_pmu__set_format(unsigned long *bits, long from, long to);
106 int perf_pmu__format_parse(char *dir, struct list_head *head);
107 void perf_pmu__del_formats(struct list_head *formats);
109 struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
111 bool is_pmu_core(const char *name);
112 void print_pmu_events(const char *event_glob, bool name_only, bool quiet,
113 bool long_desc, bool details_flag,
115 bool pmu_have_event(const char *pname, const char *name);
117 int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4);
119 int perf_pmu__test(void);
121 struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
122 void pmu_add_cpu_aliases_map(struct list_head *head, struct perf_pmu *pmu,
123 struct pmu_events_map *map);
125 struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu);
126 struct pmu_events_map *pmu_events_map__find(void);
127 bool pmu_uncore_alias_match(const char *pmu_name, const char *name);
128 void perf_pmu_free_alias(struct perf_pmu_alias *alias);
130 typedef int (*pmu_sys_event_iter_fn)(struct pmu_event *pe, void *data);
131 void pmu_for_each_sys_event(pmu_sys_event_iter_fn fn, void *data);
132 int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
134 int perf_pmu__caps_parse(struct perf_pmu *pmu);
136 void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config,
139 bool perf_pmu__has_hybrid(void);
140 int perf_pmu__match(char *pattern, char *name, char *tok);
142 int perf_pmu__cpus_match(struct perf_pmu *pmu, struct perf_cpu_map *cpus,
143 struct perf_cpu_map **mcpus_ptr,
144 struct perf_cpu_map **ucpus_ptr);
146 char *pmu_find_real_name(const char *name);
147 char *pmu_find_alias_name(const char *name);