tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __PERF_RECORD_H
2#define __PERF_RECORD_H
3
4#include <limits.h>
5#include <stdio.h>
6
7#include "../perf.h"
8#include "map.h"
9#include "build-id.h"
10#include "perf_regs.h"
11
12struct mmap_event {
13 struct perf_event_header header;
14 u32 pid, tid;
15 u64 start;
16 u64 len;
17 u64 pgoff;
18 char filename[PATH_MAX];
19};
20
21struct mmap2_event {
22 struct perf_event_header header;
23 u32 pid, tid;
24 u64 start;
25 u64 len;
26 u64 pgoff;
27 u32 maj;
28 u32 min;
29 u64 ino;
30 u64 ino_generation;
31 u32 prot;
32 u32 flags;
33 char filename[PATH_MAX];
34};
35
36struct comm_event {
37 struct perf_event_header header;
38 u32 pid, tid;
39 char comm[16];
40};
41
42struct fork_event {
43 struct perf_event_header header;
44 u32 pid, ppid;
45 u32 tid, ptid;
46 u64 time;
47};
48
49struct lost_event {
50 struct perf_event_header header;
51 u64 id;
52 u64 lost;
53};
54
55/*
56 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
57 */
58struct read_event {
59 struct perf_event_header header;
60 u32 pid, tid;
61 u64 value;
62 u64 time_enabled;
63 u64 time_running;
64 u64 id;
65};
66
67struct throttle_event {
68 struct perf_event_header header;
69 u64 time;
70 u64 id;
71 u64 stream_id;
72};
73
74#define PERF_SAMPLE_MASK \
75 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
76 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
77 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
78 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
79 PERF_SAMPLE_IDENTIFIER)
80
81/* perf sample has 16 bits size limit */
82#define PERF_SAMPLE_MAX_SIZE (1 << 16)
83
84struct sample_event {
85 struct perf_event_header header;
86 u64 array[];
87};
88
89struct regs_dump {
90 u64 abi;
91 u64 mask;
92 u64 *regs;
93
94 /* Cached values/mask filled by first register access. */
95 u64 cache_regs[PERF_REGS_MAX];
96 u64 cache_mask;
97};
98
99struct stack_dump {
100 u16 offset;
101 u64 size;
102 char *data;
103};
104
105struct sample_read_value {
106 u64 value;
107 u64 id;
108};
109
110struct sample_read {
111 u64 time_enabled;
112 u64 time_running;
113 union {
114 struct {
115 u64 nr;
116 struct sample_read_value *values;
117 } group;
118 struct sample_read_value one;
119 };
120};
121
122struct ip_callchain {
123 u64 nr;
124 u64 ips[0];
125};
126
127struct branch_flags {
128 u64 mispred:1;
129 u64 predicted:1;
130 u64 in_tx:1;
131 u64 abort:1;
132 u64 reserved:60;
133};
134
135struct branch_entry {
136 u64 from;
137 u64 to;
138 struct branch_flags flags;
139};
140
141struct branch_stack {
142 u64 nr;
143 struct branch_entry entries[0];
144};
145
146struct perf_sample {
147 u64 ip;
148 u32 pid, tid;
149 u64 time;
150 u64 addr;
151 u64 id;
152 u64 stream_id;
153 u64 period;
154 u64 weight;
155 u64 transaction;
156 u32 cpu;
157 u32 raw_size;
158 u64 data_src;
159 void *raw_data;
160 struct ip_callchain *callchain;
161 struct branch_stack *branch_stack;
162 struct regs_dump user_regs;
163 struct stack_dump user_stack;
164 struct sample_read read;
165};
166
167#define PERF_MEM_DATA_SRC_NONE \
168 (PERF_MEM_S(OP, NA) |\
169 PERF_MEM_S(LVL, NA) |\
170 PERF_MEM_S(SNOOP, NA) |\
171 PERF_MEM_S(LOCK, NA) |\
172 PERF_MEM_S(TLB, NA))
173
174struct build_id_event {
175 struct perf_event_header header;
176 pid_t pid;
177 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
178 char filename[];
179};
180
181enum perf_user_event_type { /* above any possible kernel type */
182 PERF_RECORD_USER_TYPE_START = 64,
183 PERF_RECORD_HEADER_ATTR = 64,
184 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
185 PERF_RECORD_HEADER_TRACING_DATA = 66,
186 PERF_RECORD_HEADER_BUILD_ID = 67,
187 PERF_RECORD_FINISHED_ROUND = 68,
188 PERF_RECORD_HEADER_MAX
189};
190
191struct attr_event {
192 struct perf_event_header header;
193 struct perf_event_attr attr;
194 u64 id[];
195};
196
197#define MAX_EVENT_NAME 64
198
199struct perf_trace_event_type {
200 u64 event_id;
201 char name[MAX_EVENT_NAME];
202};
203
204struct event_type_event {
205 struct perf_event_header header;
206 struct perf_trace_event_type event_type;
207};
208
209struct tracing_data_event {
210 struct perf_event_header header;
211 u32 size;
212};
213
214union perf_event {
215 struct perf_event_header header;
216 struct mmap_event mmap;
217 struct mmap2_event mmap2;
218 struct comm_event comm;
219 struct fork_event fork;
220 struct lost_event lost;
221 struct read_event read;
222 struct throttle_event throttle;
223 struct sample_event sample;
224 struct attr_event attr;
225 struct event_type_event event_type;
226 struct tracing_data_event tracing_data;
227 struct build_id_event build_id;
228};
229
230void perf_event__print_totals(void);
231
232struct perf_tool;
233struct thread_map;
234
235typedef int (*perf_event__handler_t)(struct perf_tool *tool,
236 union perf_event *event,
237 struct perf_sample *sample,
238 struct machine *machine);
239
240int perf_event__synthesize_thread_map(struct perf_tool *tool,
241 struct thread_map *threads,
242 perf_event__handler_t process,
243 struct machine *machine, bool mmap_data);
244int perf_event__synthesize_threads(struct perf_tool *tool,
245 perf_event__handler_t process,
246 struct machine *machine, bool mmap_data);
247int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
248 perf_event__handler_t process,
249 struct machine *machine);
250
251int perf_event__synthesize_modules(struct perf_tool *tool,
252 perf_event__handler_t process,
253 struct machine *machine);
254
255int perf_event__process_comm(struct perf_tool *tool,
256 union perf_event *event,
257 struct perf_sample *sample,
258 struct machine *machine);
259int perf_event__process_lost(struct perf_tool *tool,
260 union perf_event *event,
261 struct perf_sample *sample,
262 struct machine *machine);
263int perf_event__process_mmap(struct perf_tool *tool,
264 union perf_event *event,
265 struct perf_sample *sample,
266 struct machine *machine);
267int perf_event__process_mmap2(struct perf_tool *tool,
268 union perf_event *event,
269 struct perf_sample *sample,
270 struct machine *machine);
271int perf_event__process_fork(struct perf_tool *tool,
272 union perf_event *event,
273 struct perf_sample *sample,
274 struct machine *machine);
275int perf_event__process_exit(struct perf_tool *tool,
276 union perf_event *event,
277 struct perf_sample *sample,
278 struct machine *machine);
279int perf_event__process(struct perf_tool *tool,
280 union perf_event *event,
281 struct perf_sample *sample,
282 struct machine *machine);
283
284struct addr_location;
285
286int perf_event__preprocess_sample(const union perf_event *event,
287 struct machine *machine,
288 struct addr_location *al,
289 struct perf_sample *sample);
290
291struct thread;
292
293bool is_bts_event(struct perf_event_attr *attr);
294bool sample_addr_correlates_sym(struct perf_event_attr *attr);
295void perf_event__preprocess_sample_addr(union perf_event *event,
296 struct perf_sample *sample,
297 struct machine *machine,
298 struct thread *thread,
299 struct addr_location *al);
300
301const char *perf_event__name(unsigned int id);
302
303size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
304 u64 read_format);
305int perf_event__synthesize_sample(union perf_event *event, u64 type,
306 u64 read_format,
307 const struct perf_sample *sample,
308 bool swapped);
309
310int perf_event__synthesize_mmap_events(struct perf_tool *tool,
311 union perf_event *event,
312 pid_t pid, pid_t tgid,
313 perf_event__handler_t process,
314 struct machine *machine,
315 bool mmap_data);
316
317size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
318size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
319size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
320size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
321size_t perf_event__fprintf(union perf_event *event, FILE *fp);
322
323u64 kallsyms__get_function_start(const char *kallsyms_filename,
324 const char *symbol_name);
325
326#endif /* __PERF_RECORD_H */