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
11/*
12 * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
13 */
14struct ip_event {
15 struct perf_event_header header;
16 u64 ip;
17 u32 pid, tid;
18 unsigned char __more_data[];
19};
20
21struct mmap_event {
22 struct perf_event_header header;
23 u32 pid, tid;
24 u64 start;
25 u64 len;
26 u64 pgoff;
27 char filename[PATH_MAX];
28};
29
30struct comm_event {
31 struct perf_event_header header;
32 u32 pid, tid;
33 char comm[16];
34};
35
36struct fork_event {
37 struct perf_event_header header;
38 u32 pid, ppid;
39 u32 tid, ptid;
40 u64 time;
41};
42
43struct lost_event {
44 struct perf_event_header header;
45 u64 id;
46 u64 lost;
47};
48
49/*
50 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
51 */
52struct read_event {
53 struct perf_event_header header;
54 u32 pid, tid;
55 u64 value;
56 u64 time_enabled;
57 u64 time_running;
58 u64 id;
59};
60
61
62#define PERF_SAMPLE_MASK \
63 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
64 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
65 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
66 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
67
68struct sample_event {
69 struct perf_event_header header;
70 u64 array[];
71};
72
73struct regs_dump {
74 u64 *regs;
75};
76
77struct stack_dump {
78 u16 offset;
79 u64 size;
80 char *data;
81};
82
83struct perf_sample {
84 u64 ip;
85 u32 pid, tid;
86 u64 time;
87 u64 addr;
88 u64 id;
89 u64 stream_id;
90 u64 period;
91 u32 cpu;
92 u32 raw_size;
93 void *raw_data;
94 struct ip_callchain *callchain;
95 struct branch_stack *branch_stack;
96 struct regs_dump user_regs;
97 struct stack_dump user_stack;
98};
99
100struct build_id_event {
101 struct perf_event_header header;
102 pid_t pid;
103 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
104 char filename[];
105};
106
107enum perf_user_event_type { /* above any possible kernel type */
108 PERF_RECORD_USER_TYPE_START = 64,
109 PERF_RECORD_HEADER_ATTR = 64,
110 PERF_RECORD_HEADER_EVENT_TYPE = 65,
111 PERF_RECORD_HEADER_TRACING_DATA = 66,
112 PERF_RECORD_HEADER_BUILD_ID = 67,
113 PERF_RECORD_FINISHED_ROUND = 68,
114 PERF_RECORD_HEADER_MAX
115};
116
117struct attr_event {
118 struct perf_event_header header;
119 struct perf_event_attr attr;
120 u64 id[];
121};
122
123#define MAX_EVENT_NAME 64
124
125struct perf_trace_event_type {
126 u64 event_id;
127 char name[MAX_EVENT_NAME];
128};
129
130struct event_type_event {
131 struct perf_event_header header;
132 struct perf_trace_event_type event_type;
133};
134
135struct tracing_data_event {
136 struct perf_event_header header;
137 u32 size;
138};
139
140union perf_event {
141 struct perf_event_header header;
142 struct ip_event ip;
143 struct mmap_event mmap;
144 struct comm_event comm;
145 struct fork_event fork;
146 struct lost_event lost;
147 struct read_event read;
148 struct sample_event sample;
149 struct attr_event attr;
150 struct event_type_event event_type;
151 struct tracing_data_event tracing_data;
152 struct build_id_event build_id;
153};
154
155void perf_event__print_totals(void);
156
157struct perf_tool;
158struct thread_map;
159
160typedef int (*perf_event__handler_t)(struct perf_tool *tool,
161 union perf_event *event,
162 struct perf_sample *sample,
163 struct machine *machine);
164
165int perf_event__synthesize_thread_map(struct perf_tool *tool,
166 struct thread_map *threads,
167 perf_event__handler_t process,
168 struct machine *machine);
169int perf_event__synthesize_threads(struct perf_tool *tool,
170 perf_event__handler_t process,
171 struct machine *machine);
172int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
173 perf_event__handler_t process,
174 struct machine *machine,
175 const char *symbol_name);
176
177int perf_event__synthesize_modules(struct perf_tool *tool,
178 perf_event__handler_t process,
179 struct machine *machine);
180
181int perf_event__process_comm(struct perf_tool *tool,
182 union perf_event *event,
183 struct perf_sample *sample,
184 struct machine *machine);
185int perf_event__process_lost(struct perf_tool *tool,
186 union perf_event *event,
187 struct perf_sample *sample,
188 struct machine *machine);
189int perf_event__process_mmap(struct perf_tool *tool,
190 union perf_event *event,
191 struct perf_sample *sample,
192 struct machine *machine);
193int perf_event__process_fork(struct perf_tool *tool,
194 union perf_event *event,
195 struct perf_sample *sample,
196 struct machine *machine);
197int perf_event__process_exit(struct perf_tool *tool,
198 union perf_event *event,
199 struct perf_sample *sample,
200 struct machine *machine);
201int perf_event__process(struct perf_tool *tool,
202 union perf_event *event,
203 struct perf_sample *sample,
204 struct machine *machine);
205
206struct addr_location;
207int perf_event__preprocess_sample(const union perf_event *self,
208 struct machine *machine,
209 struct addr_location *al,
210 struct perf_sample *sample,
211 symbol_filter_t filter);
212
213const char *perf_event__name(unsigned int id);
214
215int perf_event__synthesize_sample(union perf_event *event, u64 type,
216 const struct perf_sample *sample,
217 bool swapped);
218
219size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
220size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
221size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
222size_t perf_event__fprintf(union perf_event *event, FILE *fp);
223
224#endif /* __PERF_RECORD_H */