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
11#define event_contains(obj, mem) ((obj).header.size > offsetof(typeof(obj), mem))
12
13struct perf_record_mmap {
14 struct perf_event_header header;
15 __u32 pid, tid;
16 __u64 start;
17 __u64 len;
18 __u64 pgoff;
19 char filename[PATH_MAX];
20};
21
22struct perf_record_mmap2 {
23 struct perf_event_header header;
24 __u32 pid, tid;
25 __u64 start;
26 __u64 len;
27 __u64 pgoff;
28 union {
29 struct {
30 __u32 maj;
31 __u32 min;
32 __u64 ino;
33 __u64 ino_generation;
34 };
35 struct {
36 __u8 build_id_size;
37 __u8 __reserved_1;
38 __u16 __reserved_2;
39 __u8 build_id[20];
40 };
41 };
42 __u32 prot;
43 __u32 flags;
44 char filename[PATH_MAX];
45};
46
47struct perf_record_comm {
48 struct perf_event_header header;
49 __u32 pid, tid;
50 char comm[16];
51};
52
53struct perf_record_namespaces {
54 struct perf_event_header header;
55 __u32 pid, tid;
56 __u64 nr_namespaces;
57 struct perf_ns_link_info link_info[];
58};
59
60struct perf_record_fork {
61 struct perf_event_header header;
62 __u32 pid, ppid;
63 __u32 tid, ptid;
64 __u64 time;
65};
66
67struct perf_record_lost {
68 struct perf_event_header header;
69 __u64 id;
70 __u64 lost;
71};
72
73struct perf_record_lost_samples {
74 struct perf_event_header header;
75 __u64 lost;
76};
77
78
79
80
81struct perf_record_read {
82 struct perf_event_header header;
83 __u32 pid, tid;
84 __u64 value;
85 __u64 time_enabled;
86 __u64 time_running;
87 __u64 id;
88};
89
90struct perf_record_throttle {
91 struct perf_event_header header;
92 __u64 time;
93 __u64 id;
94 __u64 stream_id;
95};
96
97#ifndef KSYM_NAME_LEN
98#define KSYM_NAME_LEN 256
99#endif
100
101struct perf_record_ksymbol {
102 struct perf_event_header header;
103 __u64 addr;
104 __u32 len;
105 __u16 ksym_type;
106 __u16 flags;
107 char name[KSYM_NAME_LEN];
108};
109
110struct perf_record_bpf_event {
111 struct perf_event_header header;
112 __u16 type;
113 __u16 flags;
114 __u32 id;
115
116
117 __u8 tag[BPF_TAG_SIZE];
118};
119
120struct perf_record_cgroup {
121 struct perf_event_header header;
122 __u64 id;
123 char path[PATH_MAX];
124};
125
126struct perf_record_text_poke_event {
127 struct perf_event_header header;
128 __u64 addr;
129 __u16 old_len;
130 __u16 new_len;
131 __u8 bytes[];
132};
133
134struct perf_record_sample {
135 struct perf_event_header header;
136 __u64 array[];
137};
138
139struct perf_record_switch {
140 struct perf_event_header header;
141 __u32 next_prev_pid;
142 __u32 next_prev_tid;
143};
144
145struct perf_record_header_attr {
146 struct perf_event_header header;
147 struct perf_event_attr attr;
148 __u64 id[];
149};
150
151enum {
152 PERF_CPU_MAP__CPUS = 0,
153 PERF_CPU_MAP__MASK = 1,
154};
155
156struct cpu_map_entries {
157 __u16 nr;
158 __u16 cpu[];
159};
160
161struct perf_record_record_cpu_map {
162 __u16 nr;
163 __u16 long_size;
164 unsigned long mask[];
165};
166
167struct perf_record_cpu_map_data {
168 __u16 type;
169 char data[];
170};
171
172struct perf_record_cpu_map {
173 struct perf_event_header header;
174 struct perf_record_cpu_map_data data;
175};
176
177enum {
178 PERF_EVENT_UPDATE__UNIT = 0,
179 PERF_EVENT_UPDATE__SCALE = 1,
180 PERF_EVENT_UPDATE__NAME = 2,
181 PERF_EVENT_UPDATE__CPUS = 3,
182};
183
184struct perf_record_event_update_cpus {
185 struct perf_record_cpu_map_data cpus;
186};
187
188struct perf_record_event_update_scale {
189 double scale;
190};
191
192struct perf_record_event_update {
193 struct perf_event_header header;
194 __u64 type;
195 __u64 id;
196 char data[];
197};
198
199#define MAX_EVENT_NAME 64
200
201struct perf_trace_event_type {
202 __u64 event_id;
203 char name[MAX_EVENT_NAME];
204};
205
206struct perf_record_header_event_type {
207 struct perf_event_header header;
208 struct perf_trace_event_type event_type;
209};
210
211struct perf_record_header_tracing_data {
212 struct perf_event_header header;
213 __u32 size;
214};
215
216#define PERF_RECORD_MISC_BUILD_ID_SIZE (1 << 15)
217
218struct perf_record_header_build_id {
219 struct perf_event_header header;
220 pid_t pid;
221 union {
222 __u8 build_id[24];
223 struct {
224 __u8 data[20];
225 __u8 size;
226 __u8 reserved1__;
227 __u16 reserved2__;
228 };
229 };
230 char filename[];
231};
232
233struct id_index_entry {
234 __u64 id;
235 __u64 idx;
236 __u64 cpu;
237 __u64 tid;
238};
239
240struct perf_record_id_index {
241 struct perf_event_header header;
242 __u64 nr;
243 struct id_index_entry entries[0];
244};
245
246struct perf_record_auxtrace_info {
247 struct perf_event_header header;
248 __u32 type;
249 __u32 reserved__;
250 __u64 priv[];
251};
252
253struct perf_record_auxtrace {
254 struct perf_event_header header;
255 __u64 size;
256 __u64 offset;
257 __u64 reference;
258 __u32 idx;
259 __u32 tid;
260 __u32 cpu;
261 __u32 reserved__;
262};
263
264#define MAX_AUXTRACE_ERROR_MSG 64
265
266struct perf_record_auxtrace_error {
267 struct perf_event_header header;
268 __u32 type;
269 __u32 code;
270 __u32 cpu;
271 __u32 pid;
272 __u32 tid;
273 __u32 fmt;
274 __u64 ip;
275 __u64 time;
276 char msg[MAX_AUXTRACE_ERROR_MSG];
277};
278
279struct perf_record_aux {
280 struct perf_event_header header;
281 __u64 aux_offset;
282 __u64 aux_size;
283 __u64 flags;
284};
285
286struct perf_record_itrace_start {
287 struct perf_event_header header;
288 __u32 pid;
289 __u32 tid;
290};
291
292struct perf_record_thread_map_entry {
293 __u64 pid;
294 char comm[16];
295};
296
297struct perf_record_thread_map {
298 struct perf_event_header header;
299 __u64 nr;
300 struct perf_record_thread_map_entry entries[];
301};
302
303enum {
304 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0,
305 PERF_STAT_CONFIG_TERM__INTERVAL = 1,
306 PERF_STAT_CONFIG_TERM__SCALE = 2,
307 PERF_STAT_CONFIG_TERM__MAX = 3,
308};
309
310struct perf_record_stat_config_entry {
311 __u64 tag;
312 __u64 val;
313};
314
315struct perf_record_stat_config {
316 struct perf_event_header header;
317 __u64 nr;
318 struct perf_record_stat_config_entry data[];
319};
320
321struct perf_record_stat {
322 struct perf_event_header header;
323
324 __u64 id;
325 __u32 cpu;
326 __u32 thread;
327
328 union {
329 struct {
330 __u64 val;
331 __u64 ena;
332 __u64 run;
333 };
334 __u64 values[3];
335 };
336};
337
338struct perf_record_stat_round {
339 struct perf_event_header header;
340 __u64 type;
341 __u64 time;
342};
343
344struct perf_record_time_conv {
345 struct perf_event_header header;
346 __u64 time_shift;
347 __u64 time_mult;
348 __u64 time_zero;
349 __u64 time_cycles;
350 __u64 time_mask;
351 __u8 cap_user_time_zero;
352 __u8 cap_user_time_short;
353 __u8 reserved[6];
354};
355
356struct perf_record_header_feature {
357 struct perf_event_header header;
358 __u64 feat_id;
359 char data[];
360};
361
362struct perf_record_compressed {
363 struct perf_event_header header;
364 char data[];
365};
366
367enum perf_user_event_type {
368 PERF_RECORD_USER_TYPE_START = 64,
369 PERF_RECORD_HEADER_ATTR = 64,
370 PERF_RECORD_HEADER_EVENT_TYPE = 65,
371 PERF_RECORD_HEADER_TRACING_DATA = 66,
372 PERF_RECORD_HEADER_BUILD_ID = 67,
373 PERF_RECORD_FINISHED_ROUND = 68,
374 PERF_RECORD_ID_INDEX = 69,
375 PERF_RECORD_AUXTRACE_INFO = 70,
376 PERF_RECORD_AUXTRACE = 71,
377 PERF_RECORD_AUXTRACE_ERROR = 72,
378 PERF_RECORD_THREAD_MAP = 73,
379 PERF_RECORD_CPU_MAP = 74,
380 PERF_RECORD_STAT_CONFIG = 75,
381 PERF_RECORD_STAT = 76,
382 PERF_RECORD_STAT_ROUND = 77,
383 PERF_RECORD_EVENT_UPDATE = 78,
384 PERF_RECORD_TIME_CONV = 79,
385 PERF_RECORD_HEADER_FEATURE = 80,
386 PERF_RECORD_COMPRESSED = 81,
387 PERF_RECORD_HEADER_MAX
388};
389
390union perf_event {
391 struct perf_event_header header;
392 struct perf_record_mmap mmap;
393 struct perf_record_mmap2 mmap2;
394 struct perf_record_comm comm;
395 struct perf_record_namespaces namespaces;
396 struct perf_record_cgroup cgroup;
397 struct perf_record_fork fork;
398 struct perf_record_lost lost;
399 struct perf_record_lost_samples lost_samples;
400 struct perf_record_read read;
401 struct perf_record_throttle throttle;
402 struct perf_record_sample sample;
403 struct perf_record_bpf_event bpf;
404 struct perf_record_ksymbol ksymbol;
405 struct perf_record_text_poke_event text_poke;
406 struct perf_record_header_attr attr;
407 struct perf_record_event_update event_update;
408 struct perf_record_header_event_type event_type;
409 struct perf_record_header_tracing_data tracing_data;
410 struct perf_record_header_build_id build_id;
411 struct perf_record_id_index id_index;
412 struct perf_record_auxtrace_info auxtrace_info;
413 struct perf_record_auxtrace auxtrace;
414 struct perf_record_auxtrace_error auxtrace_error;
415 struct perf_record_aux aux;
416 struct perf_record_itrace_start itrace_start;
417 struct perf_record_switch context_switch;
418 struct perf_record_thread_map thread_map;
419 struct perf_record_cpu_map cpu_map;
420 struct perf_record_stat_config stat_config;
421 struct perf_record_stat stat;
422 struct perf_record_stat_round stat_round;
423 struct perf_record_time_conv time_conv;
424 struct perf_record_header_feature feat;
425 struct perf_record_compressed pack;
426};
427
428#endif
429
