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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
8b40f521 JK |
2 | #ifndef __PERF_HEADER_H |
3 | #define __PERF_HEADER_H | |
7c6a1c65 | 4 | |
44fe619b | 5 | #include <linux/stddef.h> |
d2709c7c | 6 | #include <linux/perf_event.h> |
7c6a1c65 | 7 | #include <sys/types.h> |
8d06367f | 8 | #include <stdbool.h> |
d944c4ee BP |
9 | #include <linux/bitmap.h> |
10 | #include <linux/types.h> | |
ef12a141 | 11 | #include "event.h" |
f0ce888c | 12 | #include "env.h" |
54e32dc0 | 13 | #include "pmu.h" |
db9f11e3 | 14 | |
37562eac | 15 | enum { |
b1e5a9be | 16 | HEADER_RESERVED = 0, /* always cleared */ |
781ba9d2 | 17 | HEADER_FIRST_FEATURE = 1, |
2eeaaa09 | 18 | HEADER_TRACING_DATA = 1, |
37562eac | 19 | HEADER_BUILD_ID, |
fbe96f29 SE |
20 | |
21 | HEADER_HOSTNAME, | |
22 | HEADER_OSRELEASE, | |
23 | HEADER_VERSION, | |
24 | HEADER_ARCH, | |
25 | HEADER_NRCPUS, | |
26 | HEADER_CPUDESC, | |
27 | HEADER_CPUID, | |
28 | HEADER_TOTAL_MEM, | |
29 | HEADER_CMDLINE, | |
30 | HEADER_EVENT_DESC, | |
31 | HEADER_CPU_TOPOLOGY, | |
32 | HEADER_NUMA_TOPOLOGY, | |
330aa675 | 33 | HEADER_BRANCH_STACK, |
50a9667c | 34 | HEADER_PMU_MAPPINGS, |
a8bb559b | 35 | HEADER_GROUP_DESC, |
4025ea40 | 36 | HEADER_AUXTRACE, |
ffa517ad | 37 | HEADER_STAT, |
720e98b5 | 38 | HEADER_CACHE, |
6011518d | 39 | HEADER_SAMPLE_TIME, |
e2091ced | 40 | HEADER_MEM_TOPOLOGY, |
cf790516 | 41 | HEADER_CLOCKID, |
258031c0 | 42 | HEADER_DIR_FORMAT, |
606f972b | 43 | HEADER_BPF_PROG_INFO, |
a70a1123 | 44 | HEADER_BPF_BTF, |
42e1fd80 | 45 | HEADER_COMPRESSED, |
37562eac | 46 | HEADER_LAST_FEATURE, |
b1e5a9be | 47 | HEADER_FEAT_BITS = 256, |
37562eac | 48 | }; |
2ba08250 | 49 | |
2a08c3ec JO |
50 | enum perf_header_version { |
51 | PERF_HEADER_VERSION_1, | |
52 | PERF_HEADER_VERSION_2, | |
53 | }; | |
54 | ||
258031c0 JO |
55 | enum perf_dir_version { |
56 | PERF_DIR_VERSION = 1, | |
57 | }; | |
58 | ||
37562eac ACM |
59 | struct perf_file_section { |
60 | u64 offset; | |
61 | u64 size; | |
62 | }; | |
63 | ||
64 | struct perf_file_header { | |
65 | u64 magic; | |
66 | u64 size; | |
67 | u64 attr_size; | |
68 | struct perf_file_section attrs; | |
69 | struct perf_file_section data; | |
44b3c578 | 70 | /* event_types is ignored */ |
37562eac ACM |
71 | struct perf_file_section event_types; |
72 | DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); | |
73 | }; | |
74 | ||
8dc58101 TZ |
75 | struct perf_pipe_file_header { |
76 | u64 magic; | |
77 | u64 size; | |
78 | }; | |
79 | ||
37562eac ACM |
80 | struct perf_header; |
81 | ||
1c0b04d1 | 82 | int perf_file_header__read(struct perf_file_header *header, |
37562eac ACM |
83 | struct perf_header *ph, int fd); |
84 | ||
7c6a1c65 | 85 | struct perf_header { |
2a08c3ec JO |
86 | enum perf_header_version version; |
87 | bool needs_swap; | |
88 | u64 data_offset; | |
89 | u64 data_size; | |
90 | u64 feat_offset; | |
db9f11e3 | 91 | DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); |
ce80d3be | 92 | struct perf_env env; |
7c6a1c65 PZ |
93 | }; |
94 | ||
361c99a6 | 95 | struct perf_evlist; |
d20deb64 | 96 | struct perf_session; |
361c99a6 | 97 | |
d4339569 | 98 | int perf_session__read_header(struct perf_session *session); |
a91e5431 ACM |
99 | int perf_session__write_header(struct perf_session *session, |
100 | struct perf_evlist *evlist, | |
101 | int fd, bool at_exit); | |
8dc58101 | 102 | int perf_header__write_pipe(int fd); |
7c6a1c65 | 103 | |
1c0b04d1 ACM |
104 | void perf_header__set_feat(struct perf_header *header, int feat); |
105 | void perf_header__clear_feat(struct perf_header *header, int feat); | |
106 | bool perf_header__has_feat(const struct perf_header *header, int feat); | |
7c6a1c65 | 107 | |
fbe96f29 SE |
108 | int perf_header__set_cmdline(int argc, const char **argv); |
109 | ||
1c0b04d1 | 110 | int perf_header__process_sections(struct perf_header *header, int fd, |
fbe96f29 | 111 | void *data, |
1c0b04d1 | 112 | int (*process)(struct perf_file_section *section, |
fbe96f29 SE |
113 | struct perf_header *ph, |
114 | int feat, int fd, void *data)); | |
115 | ||
116 | int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); | |
37562eac | 117 | |
e9def1b2 DCC |
118 | int perf_event__synthesize_features(struct perf_tool *tool, |
119 | struct perf_session *session, | |
120 | struct perf_evlist *evlist, | |
121 | perf_event__handler_t process); | |
122 | ||
bfd8f72c AK |
123 | int perf_event__synthesize_extra_attr(struct perf_tool *tool, |
124 | struct perf_evlist *evsel_list, | |
125 | perf_event__handler_t process, | |
126 | bool is_pipe); | |
127 | ||
89f1688a JO |
128 | int perf_event__process_feature(struct perf_session *session, |
129 | union perf_event *event); | |
e9def1b2 | 130 | |
45694aa7 | 131 | int perf_event__synthesize_attr(struct perf_tool *tool, |
f4d83436 | 132 | struct perf_event_attr *attr, u32 ids, u64 *id, |
743eb868 | 133 | perf_event__handler_t process); |
45694aa7 | 134 | int perf_event__synthesize_attrs(struct perf_tool *tool, |
318ec184 | 135 | struct perf_evlist *evlist, |
d20deb64 | 136 | perf_event__handler_t process); |
a6e52817 | 137 | int perf_event__synthesize_event_update_unit(struct perf_tool *tool, |
32dcd021 | 138 | struct evsel *evsel, |
a6e52817 | 139 | perf_event__handler_t process); |
daeecbc0 | 140 | int perf_event__synthesize_event_update_scale(struct perf_tool *tool, |
32dcd021 | 141 | struct evsel *evsel, |
daeecbc0 | 142 | perf_event__handler_t process); |
802c9048 | 143 | int perf_event__synthesize_event_update_name(struct perf_tool *tool, |
32dcd021 | 144 | struct evsel *evsel, |
802c9048 | 145 | perf_event__handler_t process); |
86ebb09f | 146 | int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, |
32dcd021 | 147 | struct evsel *evsel, |
86ebb09f | 148 | perf_event__handler_t process); |
47c3d109 AH |
149 | int perf_event__process_attr(struct perf_tool *tool, union perf_event *event, |
150 | struct perf_evlist **pevlist); | |
b8f8eb84 | 151 | int perf_event__process_event_update(struct perf_tool *tool, |
ffe77725 JO |
152 | union perf_event *event, |
153 | struct perf_evlist **pevlist); | |
c853f939 | 154 | size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp); |
8115d60c | 155 | |
45694aa7 | 156 | int perf_event__synthesize_tracing_data(struct perf_tool *tool, |
d20deb64 | 157 | int fd, struct perf_evlist *evlist, |
743eb868 | 158 | perf_event__handler_t process); |
89f1688a JO |
159 | int perf_event__process_tracing_data(struct perf_session *session, |
160 | union perf_event *event); | |
8115d60c | 161 | |
45694aa7 | 162 | int perf_event__synthesize_build_id(struct perf_tool *tool, |
d20deb64 | 163 | struct dso *pos, u16 misc, |
8115d60c | 164 | perf_event__handler_t process, |
743eb868 | 165 | struct machine *machine); |
89f1688a JO |
166 | int perf_event__process_build_id(struct perf_session *session, |
167 | union perf_event *event); | |
e84ba4e2 | 168 | bool is_perf_magic(u64 magic); |
fbe96f29 | 169 | |
e195fac8 NK |
170 | #define NAME_ALIGN 64 |
171 | ||
ccebbeb6 | 172 | struct feat_fd; |
3b8f51a6 | 173 | |
ccebbeb6 DCC |
174 | int do_write(struct feat_fd *fd, const void *buf, size_t size); |
175 | ||
176 | int write_padded(struct feat_fd *fd, const void *bf, | |
177 | size_t count, size_t count_aligned); | |
1f625b0b | 178 | |
fbe96f29 SE |
179 | /* |
180 | * arch specific callback | |
181 | */ | |
182 | int get_cpuid(char *buffer, size_t sz); | |
183 | ||
54e32dc0 | 184 | char *get_cpuid_str(struct perf_pmu *pmu __maybe_unused); |
4cb7d3ec | 185 | int strcmp_cpuid_str(const char *s1, const char *s2); |
8b40f521 | 186 | #endif /* __PERF_HEADER_H */ |