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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PMU_H
3#define __PMU_H
4
5#include <linux/bitmap.h>
6#include <linux/compiler.h>
7#include <linux/perf_event.h>
8#include <stdbool.h>
9#include "parse-events.h"
10
11struct perf_evsel_config_term;
12
13enum {
14 PERF_PMU_FORMAT_VALUE_CONFIG,
15 PERF_PMU_FORMAT_VALUE_CONFIG1,
16 PERF_PMU_FORMAT_VALUE_CONFIG2,
17};
18
19#define PERF_PMU_FORMAT_BITS 64
20#define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/"
21
22struct perf_event_attr;
23
24struct perf_pmu {
25 char *name;
26 __u32 type;
27 bool selectable;
28 bool is_uncore;
29 int max_precise;
30 struct perf_event_attr *default_config;
31 struct perf_cpu_map *cpus;
32 struct list_head format; /* HEAD struct perf_pmu_format -> list */
33 struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
34 struct list_head list; /* ELEM */
35};
36
37struct perf_pmu_info {
38 const char *unit;
39 const char *metric_expr;
40 const char *metric_name;
41 double scale;
42 bool per_pkg;
43 bool snapshot;
44};
45
46#define UNIT_MAX_LEN 31 /* max length for event unit name */
47
48struct perf_pmu_alias {
49 char *name;
50 char *desc;
51 char *long_desc;
52 char *topic;
53 char *str;
54 struct list_head terms; /* HEAD struct parse_events_term -> list */
55 struct list_head list; /* ELEM */
56 char unit[UNIT_MAX_LEN+1];
57 double scale;
58 bool per_pkg;
59 bool snapshot;
60 char *metric_expr;
61 char *metric_name;
62};
63
64struct perf_pmu *perf_pmu__find(const char *name);
65int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
66 struct list_head *head_terms,
67 struct parse_events_error *error);
68int perf_pmu__config_terms(struct list_head *formats,
69 struct perf_event_attr *attr,
70 struct list_head *head_terms,
71 bool zero, struct parse_events_error *error);
72__u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
73int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
74 struct perf_pmu_info *info);
75struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
76 struct list_head *head_terms);
77int perf_pmu_wrap(void);
78void perf_pmu_error(struct list_head *list, char *name, char const *msg);
79
80int perf_pmu__new_format(struct list_head *list, char *name,
81 int config, unsigned long *bits);
82void perf_pmu__set_format(unsigned long *bits, long from, long to);
83int perf_pmu__format_parse(char *dir, struct list_head *head);
84
85struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
86
87void print_pmu_events(const char *event_glob, bool name_only, bool quiet,
88 bool long_desc, bool details_flag);
89bool pmu_have_event(const char *pname, const char *name);
90
91int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4);
92
93int perf_pmu__test(void);
94
95struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
96
97struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu);
98
99int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
100
101#endif /* __PMU_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PMU_H
3#define __PMU_H
4
5#include <linux/bitmap.h>
6#include <linux/compiler.h>
7#include <linux/perf_event.h>
8#include <stdbool.h>
9#include "evsel.h"
10#include "parse-events.h"
11
12enum {
13 PERF_PMU_FORMAT_VALUE_CONFIG,
14 PERF_PMU_FORMAT_VALUE_CONFIG1,
15 PERF_PMU_FORMAT_VALUE_CONFIG2,
16};
17
18#define PERF_PMU_FORMAT_BITS 64
19
20struct perf_event_attr;
21
22struct perf_pmu {
23 char *name;
24 __u32 type;
25 bool selectable;
26 bool is_uncore;
27 struct perf_event_attr *default_config;
28 struct cpu_map *cpus;
29 struct list_head format; /* HEAD struct perf_pmu_format -> list */
30 struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
31 struct list_head list; /* ELEM */
32 int (*set_drv_config) (struct perf_evsel_config_term *term);
33};
34
35struct perf_pmu_info {
36 const char *unit;
37 const char *metric_expr;
38 const char *metric_name;
39 double scale;
40 bool per_pkg;
41 bool snapshot;
42};
43
44#define UNIT_MAX_LEN 31 /* max length for event unit name */
45
46struct perf_pmu_alias {
47 char *name;
48 char *desc;
49 char *long_desc;
50 char *topic;
51 char *str;
52 struct list_head terms; /* HEAD struct parse_events_term -> list */
53 struct list_head list; /* ELEM */
54 char unit[UNIT_MAX_LEN+1];
55 double scale;
56 bool per_pkg;
57 bool snapshot;
58 char *metric_expr;
59 char *metric_name;
60};
61
62struct perf_pmu *perf_pmu__find(const char *name);
63int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
64 struct list_head *head_terms,
65 struct parse_events_error *error);
66int perf_pmu__config_terms(struct list_head *formats,
67 struct perf_event_attr *attr,
68 struct list_head *head_terms,
69 bool zero, struct parse_events_error *error);
70__u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
71int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
72 struct perf_pmu_info *info);
73struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
74 struct list_head *head_terms);
75int perf_pmu_wrap(void);
76void perf_pmu_error(struct list_head *list, char *name, char const *msg);
77
78int perf_pmu__new_format(struct list_head *list, char *name,
79 int config, unsigned long *bits);
80void perf_pmu__set_format(unsigned long *bits, long from, long to);
81int perf_pmu__format_parse(char *dir, struct list_head *head);
82
83struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
84
85void print_pmu_events(const char *event_glob, bool name_only, bool quiet,
86 bool long_desc, bool details_flag);
87bool pmu_have_event(const char *pname, const char *name);
88
89int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4);
90
91int perf_pmu__test(void);
92
93struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
94
95struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu);
96
97#endif /* __PMU_H */