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
10/*
11 * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
12 */
13struct ip_event {
14 struct perf_event_header header;
15 u64 ip;
16 u32 pid, tid;
17 unsigned char __more_data[];
18};
19
20struct mmap_event {
21 struct perf_event_header header;
22 u32 pid, tid;
23 u64 start;
24 u64 len;
25 u64 pgoff;
26 char filename[PATH_MAX];
27};
28
29struct comm_event {
30 struct perf_event_header header;
31 u32 pid, tid;
32 char comm[16];
33};
34
35struct fork_event {
36 struct perf_event_header header;
37 u32 pid, ppid;
38 u32 tid, ptid;
39 u64 time;
40};
41
42struct lost_event {
43 struct perf_event_header header;
44 u64 id;
45 u64 lost;
46};
47
48/*
49 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
50 */
51struct read_event {
52 struct perf_event_header header;
53 u32 pid, tid;
54 u64 value;
55 u64 time_enabled;
56 u64 time_running;
57 u64 id;
58};
59
60
61#define PERF_SAMPLE_MASK \
62 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
63 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
64 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
65 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
66
67struct sample_event {
68 struct perf_event_header header;
69 u64 array[];
70};
71
72struct perf_sample {
73 u64 ip;
74 u32 pid, tid;
75 u64 time;
76 u64 addr;
77 u64 id;
78 u64 stream_id;
79 u64 period;
80 u32 cpu;
81 u32 raw_size;
82 void *raw_data;
83 struct ip_callchain *callchain;
84};
85
86#define BUILD_ID_SIZE 20
87
88struct build_id_event {
89 struct perf_event_header header;
90 pid_t pid;
91 u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
92 char filename[];
93};
94
95enum perf_user_event_type { /* above any possible kernel type */
96 PERF_RECORD_USER_TYPE_START = 64,
97 PERF_RECORD_HEADER_ATTR = 64,
98 PERF_RECORD_HEADER_EVENT_TYPE = 65,
99 PERF_RECORD_HEADER_TRACING_DATA = 66,
100 PERF_RECORD_HEADER_BUILD_ID = 67,
101 PERF_RECORD_FINISHED_ROUND = 68,
102 PERF_RECORD_HEADER_MAX
103};
104
105struct attr_event {
106 struct perf_event_header header;
107 struct perf_event_attr attr;
108 u64 id[];
109};
110
111#define MAX_EVENT_NAME 64
112
113struct perf_trace_event_type {
114 u64 event_id;
115 char name[MAX_EVENT_NAME];
116};
117
118struct event_type_event {
119 struct perf_event_header header;
120 struct perf_trace_event_type event_type;
121};
122
123struct tracing_data_event {
124 struct perf_event_header header;
125 u32 size;
126};
127
128union perf_event {
129 struct perf_event_header header;
130 struct ip_event ip;
131 struct mmap_event mmap;
132 struct comm_event comm;
133 struct fork_event fork;
134 struct lost_event lost;
135 struct read_event read;
136 struct sample_event sample;
137 struct attr_event attr;
138 struct event_type_event event_type;
139 struct tracing_data_event tracing_data;
140 struct build_id_event build_id;
141};
142
143void perf_event__print_totals(void);
144
145struct perf_tool;
146struct thread_map;
147
148typedef int (*perf_event__handler_t)(struct perf_tool *tool,
149 union perf_event *event,
150 struct perf_sample *sample,
151 struct machine *machine);
152
153int perf_event__synthesize_thread_map(struct perf_tool *tool,
154 struct thread_map *threads,
155 perf_event__handler_t process,
156 struct machine *machine);
157int perf_event__synthesize_threads(struct perf_tool *tool,
158 perf_event__handler_t process,
159 struct machine *machine);
160int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
161 perf_event__handler_t process,
162 struct machine *machine,
163 const char *symbol_name);
164
165int perf_event__synthesize_modules(struct perf_tool *tool,
166 perf_event__handler_t process,
167 struct machine *machine);
168
169int perf_event__process_comm(struct perf_tool *tool,
170 union perf_event *event,
171 struct perf_sample *sample,
172 struct machine *machine);
173int perf_event__process_lost(struct perf_tool *tool,
174 union perf_event *event,
175 struct perf_sample *sample,
176 struct machine *machine);
177int perf_event__process_mmap(struct perf_tool *tool,
178 union perf_event *event,
179 struct perf_sample *sample,
180 struct machine *machine);
181int perf_event__process_task(struct perf_tool *tool,
182 union perf_event *event,
183 struct perf_sample *sample,
184 struct machine *machine);
185int perf_event__process(struct perf_tool *tool,
186 union perf_event *event,
187 struct perf_sample *sample,
188 struct machine *machine);
189
190struct addr_location;
191int perf_event__preprocess_sample(const union perf_event *self,
192 struct machine *machine,
193 struct addr_location *al,
194 struct perf_sample *sample,
195 symbol_filter_t filter);
196
197const char *perf_event__name(unsigned int id);
198
199int perf_event__parse_sample(const union perf_event *event, u64 type,
200 int sample_size, bool sample_id_all,
201 struct perf_sample *sample, bool swapped);
202int perf_event__synthesize_sample(union perf_event *event, u64 type,
203 const struct perf_sample *sample,
204 bool swapped);
205
206size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
207size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
208size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
209size_t perf_event__fprintf(union perf_event *event, FILE *fp);
210
211#endif /* __PERF_RECORD_H */