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