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 */
80