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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 struct perf_event_attr *default_config;
22 struct cpu_map *cpus;
23 struct list_head format; /* HEAD struct perf_pmu_format -> list */
24 struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
25 struct list_head list; /* ELEM */
26};
27
28struct perf_pmu_info {
29 const char *unit;
30 double scale;
31};
32
33#define UNIT_MAX_LEN 31 /* max length for event unit name */
34
35struct perf_pmu_alias {
36 char *name;
37 struct list_head terms; /* HEAD struct parse_events_term -> list */
38 struct list_head list; /* ELEM */
39 char unit[UNIT_MAX_LEN+1];
40 double scale;
41};
42
43struct perf_pmu *perf_pmu__find(const char *name);
44int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
45 struct list_head *head_terms);
46int perf_pmu__config_terms(struct list_head *formats,
47 struct perf_event_attr *attr,
48 struct list_head *head_terms,
49 bool zero);
50int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
51 struct perf_pmu_info *info);
52struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
53 struct list_head *head_terms);
54int perf_pmu_wrap(void);
55void perf_pmu_error(struct list_head *list, char *name, char const *msg);
56
57int perf_pmu__new_format(struct list_head *list, char *name,
58 int config, unsigned long *bits);
59void perf_pmu__set_format(unsigned long *bits, long from, long to);
60int perf_pmu__format_parse(char *dir, struct list_head *head);
61
62struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
63
64void print_pmu_events(const char *event_glob, bool name_only);
65bool pmu_have_event(const char *pname, const char *name);
66
67int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt,
68 ...) __attribute__((format(scanf, 3, 4)));
69
70int perf_pmu__test(void);
71
72struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
73
74#endif /* __PMU_H */