tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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#include "evsel.h"
8#include "parse-events.h"
9
10enum {
11 PERF_PMU_FORMAT_VALUE_CONFIG,
12 PERF_PMU_FORMAT_VALUE_CONFIG1,
13 PERF_PMU_FORMAT_VALUE_CONFIG2,
14};
15
16#define PERF_PMU_FORMAT_BITS 64
17
18struct perf_event_attr;
19
20struct perf_pmu {
21 char *name;
22 __u32 type;
23 bool selectable;
24 struct perf_event_attr *default_config;
25 struct cpu_map *cpus;
26 struct list_head format; /* HEAD struct perf_pmu_format -> list */
27 struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
28 struct list_head list; /* ELEM */
29 int (*set_drv_config) (struct perf_evsel_config_term *term);
30};
31
32struct perf_pmu_info {
33 const char *unit;
34 double scale;
35 bool per_pkg;
36 bool snapshot;
37};
38
39#define UNIT_MAX_LEN 31 /* max length for event unit name */
40
41struct perf_pmu_alias {
42 char *name;
43 char *desc;
44 char *long_desc;
45 char *topic;
46 struct list_head terms; /* HEAD struct parse_events_term -> list */
47 struct list_head list; /* ELEM */
48 char unit[UNIT_MAX_LEN+1];
49 double scale;
50 bool per_pkg;
51 bool snapshot;
52};
53
54struct perf_pmu *perf_pmu__find(const char *name);
55int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
56 struct list_head *head_terms,
57 struct parse_events_error *error);
58int perf_pmu__config_terms(struct list_head *formats,
59 struct perf_event_attr *attr,
60 struct list_head *head_terms,
61 bool zero, struct parse_events_error *error);
62__u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
63int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
64 struct perf_pmu_info *info);
65struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
66 struct list_head *head_terms);
67int perf_pmu_wrap(void);
68void perf_pmu_error(struct list_head *list, char *name, char const *msg);
69
70int perf_pmu__new_format(struct list_head *list, char *name,
71 int config, unsigned long *bits);
72void perf_pmu__set_format(unsigned long *bits, long from, long to);
73int perf_pmu__format_parse(char *dir, struct list_head *head);
74
75struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
76
77void print_pmu_events(const char *event_glob, bool name_only, bool quiet,
78 bool long_desc);
79bool pmu_have_event(const char *pname, const char *name);
80
81int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt,
82 ...) __attribute__((format(scanf, 3, 4)));
83
84int perf_pmu__test(void);
85
86struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
87
88#endif /* __PMU_H */