1
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
11 struct perf_evsel_config_term;
12
13 enum {
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
22 struct perf_event_attr;
23
24 struct 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;
33 struct list_head aliases;
34 struct list_head list;
35 };
36
37 struct 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
47
48 struct perf_pmu_alias {
49 char *name;
50 char *desc;
51 char *long_desc;
52 char *topic;
53 char *str;
54 struct list_head terms;
55 struct list_head list;
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
64 struct perf_pmu *perf_pmu__find(const char *name);
65 int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
66 struct list_head *head_terms,
67 struct parse_events_error *error);
68 int 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);
73 int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
74 struct perf_pmu_info *info);
75 struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
76 struct list_head *head_terms);
77 int perf_pmu_wrap(void);
78 void perf_pmu_error(struct list_head *list, char *name, char const *msg);
79
80 int perf_pmu__new_format(struct list_head *list, char *name,
81 int config, unsigned long *bits);
82 void perf_pmu__set_format(unsigned long *bits, long from, long to);
83 int perf_pmu__format_parse(char *dir, struct list_head *head);
84
85 struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
86
87 void print_pmu_events(const char *event_glob, bool name_only, bool quiet,
88 bool long_desc, bool details_flag);
89 bool pmu_have_event(const char *pname, const char *name);
90
91 int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4);
92
93 int perf_pmu__test(void);
94
95 struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
96
97 struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu);
98
99 int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
100
101 #endif