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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
f5fc1412 JO |
2 | #ifndef __PERF_DATA_H |
3 | #define __PERF_DATA_H | |
4 | ||
60136667 | 5 | #include <stdio.h> |
f5fc1412 JO |
6 | #include <stdbool.h> |
7 | ||
8 | enum perf_data_mode { | |
9 | PERF_DATA_MODE_WRITE, | |
10 | PERF_DATA_MODE_READ, | |
11 | }; | |
12 | ||
3dedec4f | 13 | enum perf_dir_version { |
46e201ef | 14 | PERF_DIR_SINGLE_FILE = 0, |
3dedec4f AH |
15 | PERF_DIR_VERSION = 1, |
16 | }; | |
17 | ||
eae8ad80 | 18 | struct perf_data_file { |
2d4f2799 | 19 | char *path; |
60136667 NK |
20 | union { |
21 | int fd; | |
22 | FILE *fptr; | |
23 | }; | |
45112e89 | 24 | unsigned long size; |
eae8ad80 JO |
25 | }; |
26 | ||
8ceb41d7 | 27 | struct perf_data { |
2d4f2799 | 28 | const char *path; |
eae8ad80 | 29 | struct perf_data_file file; |
6f9a317f | 30 | bool is_pipe; |
ec65def1 | 31 | bool is_dir; |
6f9a317f | 32 | bool force; |
60136667 | 33 | bool use_stdio; |
2a525f6a | 34 | bool in_place_update; |
6f9a317f | 35 | enum perf_data_mode mode; |
14552063 JO |
36 | |
37 | struct { | |
258031c0 | 38 | u64 version; |
14552063 JO |
39 | struct perf_data_file *files; |
40 | int nr; | |
41 | } dir; | |
f5fc1412 JO |
42 | }; |
43 | ||
8ceb41d7 | 44 | static inline bool perf_data__is_read(struct perf_data *data) |
f5fc1412 | 45 | { |
8ceb41d7 | 46 | return data->mode == PERF_DATA_MODE_READ; |
f5fc1412 JO |
47 | } |
48 | ||
8ceb41d7 | 49 | static inline bool perf_data__is_write(struct perf_data *data) |
f5fc1412 | 50 | { |
8ceb41d7 | 51 | return data->mode == PERF_DATA_MODE_WRITE; |
f5fc1412 JO |
52 | } |
53 | ||
8ceb41d7 | 54 | static inline int perf_data__is_pipe(struct perf_data *data) |
cc9784bd | 55 | { |
8ceb41d7 | 56 | return data->is_pipe; |
cc9784bd JO |
57 | } |
58 | ||
ec65def1 JO |
59 | static inline bool perf_data__is_dir(struct perf_data *data) |
60 | { | |
61 | return data->is_dir; | |
62 | } | |
63 | ||
46e201ef AH |
64 | static inline bool perf_data__is_single_file(struct perf_data *data) |
65 | { | |
66 | return data->dir.version == PERF_DIR_SINGLE_FILE; | |
67 | } | |
68 | ||
8ceb41d7 | 69 | static inline int perf_data__fd(struct perf_data *data) |
cc9784bd | 70 | { |
60136667 NK |
71 | if (data->use_stdio) |
72 | return fileno(data->file.fptr); | |
73 | ||
eae8ad80 | 74 | return data->file.fd; |
cc9784bd JO |
75 | } |
76 | ||
8ceb41d7 JO |
77 | int perf_data__open(struct perf_data *data); |
78 | void perf_data__close(struct perf_data *data); | |
60136667 | 79 | ssize_t perf_data__read(struct perf_data *data, void *buf, size_t size); |
8ceb41d7 | 80 | ssize_t perf_data__write(struct perf_data *data, |
6f9a317f | 81 | void *buf, size_t size); |
e268687b JO |
82 | ssize_t perf_data_file__write(struct perf_data_file *file, |
83 | void *buf, size_t size); | |
040f9915 WN |
84 | /* |
85 | * If at_exit is set, only rename current perf.data to | |
8ceb41d7 | 86 | * perf.data.<postfix>, continue write on original data. |
040f9915 WN |
87 | * Set at_exit when flushing the last output. |
88 | * | |
89 | * Return value is fd of new output. | |
90 | */ | |
8ceb41d7 | 91 | int perf_data__switch(struct perf_data *data, |
040f9915 | 92 | const char *postfix, |
03724b2e | 93 | size_t pos, bool at_exit, char **new_filepath); |
14552063 JO |
94 | |
95 | int perf_data__create_dir(struct perf_data *data, int nr); | |
eb617670 | 96 | int perf_data__open_dir(struct perf_data *data); |
14552063 | 97 | void perf_data__close_dir(struct perf_data *data); |
e8be1357 | 98 | int perf_data__update_dir(struct perf_data *data); |
29583c17 | 99 | unsigned long perf_data__size(struct perf_data *data); |
eeb399b5 AH |
100 | int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz); |
101 | char *perf_data__kallsyms_name(struct perf_data *data); | |
058f1511 | 102 | bool is_perf_data(const char *path); |
f5fc1412 | 103 | #endif /* __PERF_DATA_H */ |