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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1#ifndef __PMU_H
2#define __PMU_H
3
4#include <linux/bitmap.h>
5#include <linux/perf_event.h>
6#include <stdbool.h>
7
8enum {
9 PERF_PMU_FORMAT_VALUE_CONFIG,
10 PERF_PMU_FORMAT_VALUE_CONFIG1,
11 PERF_PMU_FORMAT_VALUE_CONFIG2,
12};
13
14#define PERF_PMU_FORMAT_BITS 64
15
16struct perf_event_attr;
17
18struct perf_pmu {
19 char *name;
20 __u32 type;
21 bool selectable;
22 struct perf_event_attr *default_config;
23 struct cpu_map *cpus;
24 struct list_head format; /* HEAD struct perf_pmu_format -> list */
25 struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
26 struct list_head list; /* ELEM */
27};
28
29struct perf_pmu_info {
30 const char *unit;
31 double scale;
32 bool per_pkg;
33 bool snapshot;
34};
35
36#define UNIT_MAX_LEN 31 /* max length for event unit name */
37
38struct perf_pmu_alias {
39 char *name;
40 struct list_head terms; /* HEAD struct parse_events_term -> list */
41 struct list_head list; /* ELEM */
42 char unit[UNIT_MAX_LEN+1];
43 double scale;
44 bool per_pkg;
45 bool snapshot;
46};
47
48struct perf_pmu *perf_pmu__find(const char *name);
49int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
50 struct list_head *head_terms);
51int perf_pmu__config_terms(struct list_head *formats,
52 struct perf_event_attr *attr,
53 struct list_head *head_terms,
54 bool zero);
55int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
56 struct perf_pmu_info *info);
57struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
58 struct list_head *head_terms);
59int perf_pmu_wrap(void);
60void perf_pmu_error(struct list_head *list, char *name, char const *msg);
61
62int perf_pmu__new_format(struct list_head *list, char *name,
63 int config, unsigned long *bits);
64void perf_pmu__set_format(unsigned long *bits, long from, long to);
65int perf_pmu__format_parse(char *dir, struct list_head *head);
66
67struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
68
69void print_pmu_events(const char *event_glob, bool name_only);
70bool pmu_have_event(const char *pname, const char *name);
71
72int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt,
73 ...) __attribute__((format(scanf, 3, 4)));
74
75int perf_pmu__test(void);
76
77struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
78
79#endif /* __PMU_H */