Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
cd82a32e JO |
2 | #ifndef __PMU_H |
3 | #define __PMU_H | |
4 | ||
d944c4ee | 5 | #include <linux/bitmap.h> |
3ee350fb | 6 | #include <linux/compiler.h> |
d2709c7c | 7 | #include <linux/perf_event.h> |
dc098b35 | 8 | #include <stdbool.h> |
e64b020b | 9 | #include "parse-events.h" |
cd82a32e | 10 | |
eb563d66 ACM |
11 | struct perf_evsel_config_term; |
12 | ||
cd82a32e JO |
13 | enum { |
14 | PERF_PMU_FORMAT_VALUE_CONFIG, | |
15 | PERF_PMU_FORMAT_VALUE_CONFIG1, | |
16 | PERF_PMU_FORMAT_VALUE_CONFIG2, | |
17 | }; | |
18 | ||
19 | #define PERF_PMU_FORMAT_BITS 64 | |
ffe8881e | 20 | #define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/" |
cd82a32e | 21 | |
dc0a6202 AH |
22 | struct perf_event_attr; |
23 | ||
cd82a32e JO |
24 | struct perf_pmu { |
25 | char *name; | |
26 | __u32 type; | |
42634bc7 | 27 | bool selectable; |
66ec1191 | 28 | bool is_uncore; |
90a86bde | 29 | int max_precise; |
dc0a6202 | 30 | struct perf_event_attr *default_config; |
f854839b | 31 | struct perf_cpu_map *cpus; |
885b5930 CS |
32 | struct list_head format; /* HEAD struct perf_pmu_format -> list */ |
33 | struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */ | |
34 | struct list_head list; /* ELEM */ | |
cd82a32e JO |
35 | }; |
36 | ||
46441bdc MF |
37 | struct perf_pmu_info { |
38 | const char *unit; | |
37932c18 | 39 | const char *metric_expr; |
96284814 | 40 | const char *metric_name; |
46441bdc | 41 | double scale; |
044330c1 | 42 | bool per_pkg; |
1d9e446b | 43 | bool snapshot; |
46441bdc MF |
44 | }; |
45 | ||
dcb4e102 KL |
46 | #define UNIT_MAX_LEN 31 /* max length for event unit name */ |
47 | ||
48 | struct perf_pmu_alias { | |
49 | char *name; | |
08e60ed1 | 50 | char *desc; |
c8d6828a | 51 | char *long_desc; |
dd5f1036 | 52 | char *topic; |
f2361024 | 53 | char *str; |
dcb4e102 KL |
54 | struct list_head terms; /* HEAD struct parse_events_term -> list */ |
55 | struct list_head list; /* ELEM */ | |
56 | char unit[UNIT_MAX_LEN+1]; | |
57 | double scale; | |
044330c1 | 58 | bool per_pkg; |
1d9e446b | 59 | bool snapshot; |
00636c3b | 60 | char *metric_expr; |
96284814 | 61 | char *metric_name; |
dcb4e102 KL |
62 | }; |
63 | ||
b6b96fb4 | 64 | struct perf_pmu *perf_pmu__find(const char *name); |
cd82a32e | 65 | int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, |
e64b020b JO |
66 | struct list_head *head_terms, |
67 | struct parse_events_error *error); | |
cff7f956 JO |
68 | int perf_pmu__config_terms(struct list_head *formats, |
69 | struct perf_event_attr *attr, | |
dc0a6202 | 70 | struct list_head *head_terms, |
e64b020b | 71 | bool zero, struct parse_events_error *error); |
09ff6071 | 72 | __u64 perf_pmu__format_bits(struct list_head *formats, const char *name); |
410136f5 | 73 | int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms, |
46441bdc | 74 | struct perf_pmu_info *info); |
a6146d50 | 75 | struct list_head *perf_pmu__alias(struct perf_pmu *pmu, |
5c6ccc37 | 76 | struct list_head *head_terms); |
cd82a32e JO |
77 | int perf_pmu_wrap(void); |
78 | void perf_pmu_error(struct list_head *list, char *name, char const *msg); | |
79 | ||
80 | int perf_pmu__new_format(struct list_head *list, char *name, | |
81 | int config, unsigned long *bits); | |
82 | void perf_pmu__set_format(unsigned long *bits, long from, long to); | |
cff7f956 | 83 | int perf_pmu__format_parse(char *dir, struct list_head *head); |
cd82a32e | 84 | |
50a9667c RR |
85 | struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); |
86 | ||
c8d6828a | 87 | void print_pmu_events(const char *event_glob, bool name_only, bool quiet, |
bf874fcf | 88 | bool long_desc, bool details_flag); |
4cabc3d1 | 89 | bool pmu_have_event(const char *pname, const char *name); |
dc098b35 | 90 | |
3ee350fb | 91 | int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4); |
7d4bdab5 | 92 | |
cd82a32e | 93 | int perf_pmu__test(void); |
dc0a6202 AH |
94 | |
95 | struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu); | |
96 | ||
54e32dc0 | 97 | struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu); |
d77ade9f | 98 | |
cd82a32e | 99 | #endif /* __PMU_H */ |