1
2#ifndef __PERF_RECORD_H
3#define __PERF_RECORD_H
4
5
6
7
8
9
10#include <stdio.h>
11#include <linux/stddef.h>
12#include <perf/event.h>
13#include <linux/types.h>
14
15#include "perf_regs.h"
16
17struct dso;
18struct machine;
19struct perf_event_attr;
20
21#ifdef __LP64__
22
23
24
25
26
27
28#define PRI_lu64 "l" PRIu64
29#define PRI_lx64 "l" PRIx64
30#define PRI_ld64 "l" PRId64
31#else
32#define PRI_lu64 PRIu64
33#define PRI_lx64 PRIx64
34#define PRI_ld64 PRId64
35#endif
36
37#define PERF_SAMPLE_MASK \
38 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
39 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
40 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
41 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
42 PERF_SAMPLE_IDENTIFIER)
43
44
45#define PERF_SAMPLE_MAX_SIZE (1 << 16)
46
47struct regs_dump {
48 u64 abi;
49 u64 mask;
50 u64 *regs;
51
52
53 u64 cache_regs[PERF_REGS_MAX];
54 u64 cache_mask;
55};
56
57struct stack_dump {
58 u16 offset;
59 u64 size;
60 char *data;
61};
62
63struct sample_read_value {
64 u64 value;
65 u64 id;
66};
67
68struct sample_read {
69 u64 time_enabled;
70 u64 time_running;
71 union {
72 struct {
73 u64 nr;
74 struct sample_read_value *values;
75 } group;
76 struct sample_read_value one;
77 };
78};
79
80struct ip_callchain {
81 u64 nr;
82 u64 ips[0];
83};
84
85struct branch_stack;
86
87enum {
88 PERF_IP_FLAG_BRANCH = 1ULL << 0,
89 PERF_IP_FLAG_CALL = 1ULL << 1,
90 PERF_IP_FLAG_RETURN = 1ULL << 2,
91 PERF_IP_FLAG_CONDITIONAL = 1ULL << 3,
92 PERF_IP_FLAG_SYSCALLRET = 1ULL << 4,
93 PERF_IP_FLAG_ASYNC = 1ULL << 5,
94 PERF_IP_FLAG_INTERRUPT = 1ULL << 6,
95 PERF_IP_FLAG_TX_ABORT = 1ULL << 7,
96 PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8,
97 PERF_IP_FLAG_TRACE_END = 1ULL << 9,
98 PERF_IP_FLAG_IN_TX = 1ULL << 10,
99};
100
101#define PERF_IP_FLAG_CHARS "bcrosyiABEx"
102
103#define PERF_BRANCH_MASK (\
104 PERF_IP_FLAG_BRANCH |\
105 PERF_IP_FLAG_CALL |\
106 PERF_IP_FLAG_RETURN |\
107 PERF_IP_FLAG_CONDITIONAL |\
108 PERF_IP_FLAG_SYSCALLRET |\
109 PERF_IP_FLAG_ASYNC |\
110 PERF_IP_FLAG_INTERRUPT |\
111 PERF_IP_FLAG_TX_ABORT |\
112 PERF_IP_FLAG_TRACE_BEGIN |\
113 PERF_IP_FLAG_TRACE_END)
114
115#define MAX_INSN 16
116
117struct aux_sample {
118 u64 size;
119 void *data;
120};
121
122struct perf_sample {
123 u64 ip;
124 u32 pid, tid;
125 u64 time;
126 u64 addr;
127 u64 id;
128 u64 stream_id;
129 u64 period;
130 u64 weight;
131 u64 transaction;
132 u64 insn_cnt;
133 u64 cyc_cnt;
134 u32 cpu;
135 u32 raw_size;
136 u64 data_src;
137 u64 phys_addr;
138 u32 flags;
139 u16 insn_len;
140 u8 cpumode;
141 u16 misc;
142 char insn[MAX_INSN];
143 void *raw_data;
144 struct ip_callchain *callchain;
145 struct branch_stack *branch_stack;
146 struct regs_dump user_regs;
147 struct regs_dump intr_regs;
148 struct stack_dump user_stack;
149 struct sample_read read;
150 struct aux_sample aux_sample;
151};
152
153#define PERF_MEM_DATA_SRC_NONE \
154 (PERF_MEM_S(OP, NA) |\
155 PERF_MEM_S(LVL, NA) |\
156 PERF_MEM_S(SNOOP, NA) |\
157 PERF_MEM_S(LOCK, NA) |\
158 PERF_MEM_S(TLB, NA))
159
160
161#define PERF_TYPE_SYNTH (INT_MAX + 1U)
162
163
164enum perf_synth_id {
165 PERF_SYNTH_INTEL_PTWRITE,
166 PERF_SYNTH_INTEL_MWAIT,
167 PERF_SYNTH_INTEL_PWRE,
168 PERF_SYNTH_INTEL_EXSTOP,
169 PERF_SYNTH_INTEL_PWRX,
170 PERF_SYNTH_INTEL_CBR,
171};
172
173
174
175
176
177
178
179
180
181
182struct perf_synth_intel_ptwrite {
183 u32 padding;
184 union {
185 struct {
186 u32 ip : 1,
187 reserved : 31;
188 };
189 u32 flags;
190 };
191 u64 payload;
192};
193
194struct perf_synth_intel_mwait {
195 u32 padding;
196 u32 reserved;
197 union {
198 struct {
199 u64 hints : 8,
200 reserved1 : 24,
201 extensions : 2,
202 reserved2 : 30;
203 };
204 u64 payload;
205 };
206};
207
208struct perf_synth_intel_pwre {
209 u32 padding;
210 u32 reserved;
211 union {
212 struct {
213 u64 reserved1 : 7,
214 hw : 1,
215 subcstate : 4,
216 cstate : 4,
217 reserved2 : 48;
218 };
219 u64 payload;
220 };
221};
222
223struct perf_synth_intel_exstop {
224 u32 padding;
225 union {
226 struct {
227 u32 ip : 1,
228 reserved : 31;
229 };
230 u32 flags;
231 };
232};
233
234struct perf_synth_intel_pwrx {
235 u32 padding;
236 u32 reserved;
237 union {
238 struct {
239 u64 deepest_cstate : 4,
240 last_cstate : 4,
241 wake_reason : 4,
242 reserved1 : 52;
243 };
244 u64 payload;
245 };
246};
247
248struct perf_synth_intel_cbr {
249 u32 padding;
250 union {
251 struct {
252 u32 cbr : 8,
253 reserved1 : 8,
254 max_nonturbo : 8,
255 reserved2 : 8;
256 };
257 u32 flags;
258 };
259 u32 freq;
260 u32 reserved3;
261};
262
263
264
265
266
267static inline void *perf_sample__synth_ptr(struct perf_sample *sample)
268{
269 return sample->raw_data - 4;
270}
271
272static inline void *perf_synth__raw_data(void *p)
273{
274 return p + 4;
275}
276
277#define perf_synth__raw_size(d) (sizeof(d) - 4)
278
279#define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4)
280
281enum {
282 PERF_STAT_ROUND_TYPE__INTERVAL = 0,
283 PERF_STAT_ROUND_TYPE__FINAL = 1,
284};
285
286void perf_event__print_totals(void);
287
288struct perf_cpu_map;
289struct perf_record_stat_config;
290struct perf_stat_config;
291struct perf_tool;
292
293void perf_event__read_stat_config(struct perf_stat_config *config,
294 struct perf_record_stat_config *event);
295
296int perf_event__process_comm(struct perf_tool *tool,
297 union perf_event *event,
298 struct perf_sample *sample,
299 struct machine *machine);
300int perf_event__process_lost(struct perf_tool *tool,
301 union perf_event *event,
302 struct perf_sample *sample,
303 struct machine *machine);
304int perf_event__process_lost_samples(struct perf_tool *tool,
305 union perf_event *event,
306 struct perf_sample *sample,
307 struct machine *machine);
308int perf_event__process_aux(struct perf_tool *tool,
309 union perf_event *event,
310 struct perf_sample *sample,
311 struct machine *machine);
312int perf_event__process_itrace_start(struct perf_tool *tool,
313 union perf_event *event,
314 struct perf_sample *sample,
315 struct machine *machine);
316int perf_event__process_switch(struct perf_tool *tool,
317 union perf_event *event,
318 struct perf_sample *sample,
319 struct machine *machine);
320int perf_event__process_namespaces(struct perf_tool *tool,
321 union perf_event *event,
322 struct perf_sample *sample,
323 struct machine *machine);
324int perf_event__process_mmap(struct perf_tool *tool,
325 union perf_event *event,
326 struct perf_sample *sample,
327 struct machine *machine);
328int perf_event__process_mmap2(struct perf_tool *tool,
329 union perf_event *event,
330 struct perf_sample *sample,
331 struct machine *machine);
332int perf_event__process_fork(struct perf_tool *tool,
333 union perf_event *event,
334 struct perf_sample *sample,
335 struct machine *machine);
336int perf_event__process_exit(struct perf_tool *tool,
337 union perf_event *event,
338 struct perf_sample *sample,
339 struct machine *machine);
340int perf_event__process_ksymbol(struct perf_tool *tool,
341 union perf_event *event,
342 struct perf_sample *sample,
343 struct machine *machine);
344int perf_event__process_bpf(struct perf_tool *tool,
345 union perf_event *event,
346 struct perf_sample *sample,
347 struct machine *machine);
348int perf_event__process(struct perf_tool *tool,
349 union perf_event *event,
350 struct perf_sample *sample,
351 struct machine *machine);
352
353struct addr_location;
354
355int machine__resolve(struct machine *machine, struct addr_location *al,
356 struct perf_sample *sample);
357
358void addr_location__put(struct addr_location *al);
359
360struct thread;
361
362bool is_bts_event(struct perf_event_attr *attr);
363bool sample_addr_correlates_sym(struct perf_event_attr *attr);
364void thread__resolve(struct thread *thread, struct addr_location *al,
365 struct perf_sample *sample);
366
367const char *perf_event__name(unsigned int id);
368
369size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
370size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
371size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
372size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
373size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
374size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
375size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
376size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
377size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
378size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp);
379size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp);
380size_t perf_event__fprintf_bpf(union perf_event *event, FILE *fp);
381size_t perf_event__fprintf(union perf_event *event, FILE *fp);
382
383int kallsyms__get_function_start(const char *kallsyms_filename,
384 const char *symbol_name, u64 *addr);
385
386void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int *max);
387void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf_cpu_map *map,
388 u16 type, int max);
389
390void event_attr_init(struct perf_event_attr *attr);
391
392int perf_event_paranoid(void);
393bool perf_event_paranoid_check(int max_level);
394
395extern int sysctl_perf_event_max_stack;
396extern int sysctl_perf_event_max_contexts_per_stack;
397extern unsigned int proc_map_timeout;
398
399#endif
400
