1
2#ifndef __LIBPERF_EVENT_H
3#define __LIBPERF_EVENT_H
4
5#include <linux/perf_event.h>
6#include <linux/types.h>
7#include <linux/limits.h>
8#include <linux/bpf.h>
9#include <sys/types.h>
10
11struct perf_record_mmap {
12 struct perf_event_header header;
13 __u32 pid, tid;
14 __u64 start;
15 __u64 len;
16 __u64 pgoff;
17 char filename[PATH_MAX];
18};
19
20struct perf_record_mmap2 {
21 struct perf_event_header header;
22 __u32 pid, tid;
23 __u64 start;
24 __u64 len;
25 __u64 pgoff;
26 __u32 maj;
27 __u32 min;
28 __u64 ino;
29 __u64 ino_generation;
30 __u32 prot;
31 __u32 flags;
32 char filename[PATH_MAX];
33};
34
35struct perf_record_comm {
36 struct perf_event_header header;
37 __u32 pid, tid;
38 char comm[16];
39};
40
41struct perf_record_namespaces {
42 struct perf_event_header header;
43 __u32 pid, tid;
44 __u64 nr_namespaces;
45 struct perf_ns_link_info link_info[];
46};
47
48struct perf_record_fork {
49 struct perf_event_header header;
50 __u32 pid, ppid;
51 __u32 tid, ptid;
52 __u64 time;
53};
54
55struct perf_record_lost {
56 struct perf_event_header header;
57 __u64 id;
58 __u64 lost;
59};
60
61struct perf_record_lost_samples {
62 struct perf_event_header header;
63 __u64 lost;
64};
65
66
67
68
69struct perf_record_read {
70 struct perf_event_header header;
71 __u32 pid, tid;
72 __u64 value;
73 __u64 time_enabled;
74 __u64 time_running;
75 __u64 id;
76};
77
78struct perf_record_throttle {
79 struct perf_event_header header;
80 __u64 time;
81 __u64 id;
82 __u64 stream_id;
83};
84
85#ifndef KSYM_NAME_LEN
86#define KSYM_NAME_LEN 256
87#endif
88
89struct perf_record_ksymbol {
90 struct perf_event_header header;
91 __u64 addr;
92 __u32 len;
93 __u16 ksym_type;
94 __u16 flags;
95 char name[KSYM_NAME_LEN];
96};
97
98struct perf_record_bpf_event {
99 struct perf_event_header header;
100 __u16 type;
101 __u16 flags;
102 __u32 id;
103
104
105 __u8 tag[BPF_TAG_SIZE];
106};
107
108struct perf_record_sample {
109 struct perf_event_header header;
110 __u64 array[];
111};
112
113struct perf_record_switch {
114 struct perf_event_header header;
115 __u32 next_prev_pid;
116 __u32 next_prev_tid;
117};
118
119struct perf_record_header_attr {
120 struct perf_event_header header;
121 struct perf_event_attr attr;
122 __u64 id[];
123};
124
125enum {
126 PERF_CPU_MAP__CPUS = 0,
127 PERF_CPU_MAP__MASK = 1,
128};
129
130struct cpu_map_entries {
131 __u16 nr;
132 __u16 cpu[];
133};
134
135struct perf_record_record_cpu_map {
136 __u16 nr;
137 __u16 long_size;
138 unsigned long mask[];
139};
140
141struct perf_record_cpu_map_data {
142 __u16 type;
143 char data[];
144};
145
146struct perf_record_cpu_map {
147 struct perf_event_header header;
148 struct perf_record_cpu_map_data data;
149};
150
151enum {
152 PERF_EVENT_UPDATE__UNIT = 0,
153 PERF_EVENT_UPDATE__SCALE = 1,
154 PERF_EVENT_UPDATE__NAME = 2,
155 PERF_EVENT_UPDATE__CPUS = 3,
156};
157
158struct perf_record_event_update_cpus {
159 struct perf_record_cpu_map_data cpus;
160};
161
162struct perf_record_event_update_scale {
163 double scale;
164};
165
166struct perf_record_event_update {
167 struct perf_event_header header;
168 __u64 type;
169 __u64 id;
170 char data[];
171};
172
173#define MAX_EVENT_NAME 64
174
175struct perf_trace_event_type {
176 __u64 event_id;
177 char name[MAX_EVENT_NAME];
178};
179
180struct perf_record_header_event_type {
181 struct perf_event_header header;
182 struct perf_trace_event_type event_type;
183};
184
185struct perf_record_header_tracing_data {
186 struct perf_event_header header;
187 __u32 size;
188};
189
190struct perf_record_header_build_id {
191 struct perf_event_header header;
192 pid_t pid;
193 __u8 build_id[24];
194 char filename[];
195};
196
197struct id_index_entry {
198 __u64 id;
199 __u64 idx;
200 __u64 cpu;
201 __u64 tid;
202};
203
204struct perf_record_id_index {
205 struct perf_event_header header;
206 __u64 nr;
207 struct id_index_entry entries[0];
208};
209
210struct perf_record_auxtrace_info {
211 struct perf_event_header header;
212 __u32 type;
213 __u32 reserved__;
214 __u64 priv[];
215};
216
217struct perf_record_auxtrace {
218 struct perf_event_header header;
219 __u64 size;
220 __u64 offset;
221 __u64 reference;
222 __u32 idx;
223 __u32 tid;
224 __u32 cpu;
225 __u32 reserved__;
226};
227
228#define MAX_AUXTRACE_ERROR_MSG 64
229
230struct perf_record_auxtrace_error {
231 struct perf_event_header header;
232 __u32 type;
233 __u32 code;
234 __u32 cpu;
235 __u32 pid;
236 __u32 tid;
237 __u32 fmt;
238 __u64 ip;
239 __u64 time;
240 char msg[MAX_AUXTRACE_ERROR_MSG];
241};
242
243struct perf_record_aux {
244 struct perf_event_header header;
245 __u64 aux_offset;
246 __u64 aux_size;
247 __u64 flags;
248};
249
250struct perf_record_itrace_start {
251 struct perf_event_header header;
252 __u32 pid;
253 __u32 tid;
254};
255
256struct perf_record_thread_map_entry {
257 __u64 pid;
258 char comm[16];
259};
260
261struct perf_record_thread_map {
262 struct perf_event_header header;
263 __u64 nr;
264 struct perf_record_thread_map_entry entries[];
265};
266
267enum {
268 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0,
269 PERF_STAT_CONFIG_TERM__INTERVAL = 1,
270 PERF_STAT_CONFIG_TERM__SCALE = 2,
271 PERF_STAT_CONFIG_TERM__MAX = 3,
272};
273
274struct perf_record_stat_config_entry {
275 __u64 tag;
276 __u64 val;
277};
278
279struct perf_record_stat_config {
280 struct perf_event_header header;
281 __u64 nr;
282 struct perf_record_stat_config_entry data[];
283};
284
285struct perf_record_stat {
286 struct perf_event_header header;
287
288 __u64 id;
289 __u32 cpu;
290 __u32 thread;
291
292 union {
293 struct {
294 __u64 val;
295 __u64 ena;
296 __u64 run;
297 };
298 __u64 values[3];
299 };
300};
301
302struct perf_record_stat_round {
303 struct perf_event_header header;
304 __u64 type;
305 __u64 time;
306};
307
308struct perf_record_time_conv {
309 struct perf_event_header header;
310 __u64 time_shift;
311 __u64 time_mult;
312 __u64 time_zero;
313};
314
315struct perf_record_header_feature {
316 struct perf_event_header header;
317 __u64 feat_id;
318 char data[];
319};
320
321struct perf_record_compressed {
322 struct perf_event_header header;
323 char data[];
324};
325
326enum perf_user_event_type {
327 PERF_RECORD_USER_TYPE_START = 64,
328 PERF_RECORD_HEADER_ATTR = 64,
329 PERF_RECORD_HEADER_EVENT_TYPE = 65,
330 PERF_RECORD_HEADER_TRACING_DATA = 66,
331 PERF_RECORD_HEADER_BUILD_ID = 67,
332 PERF_RECORD_FINISHED_ROUND = 68,
333 PERF_RECORD_ID_INDEX = 69,
334 PERF_RECORD_AUXTRACE_INFO = 70,
335 PERF_RECORD_AUXTRACE = 71,
336 PERF_RECORD_AUXTRACE_ERROR = 72,
337 PERF_RECORD_THREAD_MAP = 73,
338 PERF_RECORD_CPU_MAP = 74,
339 PERF_RECORD_STAT_CONFIG = 75,
340 PERF_RECORD_STAT = 76,
341 PERF_RECORD_STAT_ROUND = 77,
342 PERF_RECORD_EVENT_UPDATE = 78,
343 PERF_RECORD_TIME_CONV = 79,
344 PERF_RECORD_HEADER_FEATURE = 80,
345 PERF_RECORD_COMPRESSED = 81,
346 PERF_RECORD_HEADER_MAX
347};
348
349union perf_event {
350 struct perf_event_header header;
351 struct perf_record_mmap mmap;
352 struct perf_record_mmap2 mmap2;
353 struct perf_record_comm comm;
354 struct perf_record_namespaces namespaces;
355 struct perf_record_fork fork;
356 struct perf_record_lost lost;
357 struct perf_record_lost_samples lost_samples;
358 struct perf_record_read read;
359 struct perf_record_throttle throttle;
360 struct perf_record_sample sample;
361 struct perf_record_bpf_event bpf;
362 struct perf_record_ksymbol ksymbol;
363 struct perf_record_header_attr attr;
364 struct perf_record_event_update event_update;
365 struct perf_record_header_event_type event_type;
366 struct perf_record_header_tracing_data tracing_data;
367 struct perf_record_header_build_id build_id;
368 struct perf_record_id_index id_index;
369 struct perf_record_auxtrace_info auxtrace_info;
370 struct perf_record_auxtrace auxtrace;
371 struct perf_record_auxtrace_error auxtrace_error;
372 struct perf_record_aux aux;
373 struct perf_record_itrace_start itrace_start;
374 struct perf_record_switch context_switch;
375 struct perf_record_thread_map thread_map;
376 struct perf_record_cpu_map cpu_map;
377 struct perf_record_stat_config stat_config;
378 struct perf_record_stat stat;
379 struct perf_record_stat_round stat_round;
380 struct perf_record_time_conv time_conv;
381 struct perf_record_header_feature feat;
382 struct perf_record_compressed pack;
383};
384
385#endif
386
