summaryrefslogtreecommitdiff
path: root/tools/perf/lib/include/perf/event.h
blob: 6292b7c41bacffd4743dba904d9e89dc0f679390 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LIBPERF_EVENT_H
#define __LIBPERF_EVENT_H

#include <linux/perf_event.h>
#include <linux/types.h>
#include <linux/limits.h>
#include <linux/bpf.h>
#include <sys/types.h> /* pid_t */

struct perf_record_mmap {
	struct perf_event_header header;
	__u32			 pid, tid;
	__u64			 start;
	__u64			 len;
	__u64			 pgoff;
	char			 filename[PATH_MAX];
};

struct perf_record_mmap2 {
	struct perf_event_header header;
	__u32			 pid, tid;
	__u64			 start;
	__u64			 len;
	__u64			 pgoff;
	__u32			 maj;
	__u32			 min;
	__u64			 ino;
	__u64			 ino_generation;
	__u32			 prot;
	__u32			 flags;
	char			 filename[PATH_MAX];
};

struct perf_record_comm {
	struct perf_event_header header;
	__u32			 pid, tid;
	char			 comm[16];
};

struct perf_record_namespaces {
	struct perf_event_header header;
	__u32			 pid, tid;
	__u64			 nr_namespaces;
	struct perf_ns_link_info link_info[];
};

struct perf_record_fork {
	struct perf_event_header header;
	__u32			 pid, ppid;
	__u32			 tid, ptid;
	__u64			 time;
};

struct perf_record_lost {
	struct perf_event_header header;
	__u64			 id;
	__u64			 lost;
};

struct perf_record_lost_samples {
	struct perf_event_header header;
	__u64			 lost;
};

/*
 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
 */
struct perf_record_read {
	struct perf_event_header header;
	__u32			 pid, tid;
	__u64			 value;
	__u64			 time_enabled;
	__u64			 time_running;
	__u64			 id;
};

struct perf_record_throttle {
	struct perf_event_header header;
	__u64			 time;
	__u64			 id;
	__u64			 stream_id;
};

#ifndef KSYM_NAME_LEN
#define KSYM_NAME_LEN 256
#endif

struct perf_record_ksymbol {
	struct perf_event_header header;
	__u64			 addr;
	__u32			 len;
	__u16			 ksym_type;
	__u16			 flags;
	char			 name[KSYM_NAME_LEN];
};

struct perf_record_bpf_event {
	struct perf_event_header header;
	__u16			 type;
	__u16			 flags;
	__u32			 id;

	/* for bpf_prog types */
	__u8			 tag[BPF_TAG_SIZE];  // prog tag
};

struct perf_record_sample {
	struct perf_event_header header;
	__u64			 array[];
};

struct attr_event {
	struct perf_event_header header;
	struct perf_event_attr	 attr;
	__u64			 id[];
};

enum {
	PERF_CPU_MAP__CPUS = 0,
	PERF_CPU_MAP__MASK = 1,
};

struct cpu_map_entries {
	__u16			 nr;
	__u16			 cpu[];
};

struct cpu_map_mask {
	__u16			 nr;
	__u16			 long_size;
	unsigned long		 mask[];
};

struct cpu_map_data {
	__u16			 type;
	char			 data[];
};

struct cpu_map_event {
	struct perf_event_header header;
	struct cpu_map_data	 data;
};

enum {
	PERF_EVENT_UPDATE__UNIT  = 0,
	PERF_EVENT_UPDATE__SCALE = 1,
	PERF_EVENT_UPDATE__NAME  = 2,
	PERF_EVENT_UPDATE__CPUS  = 3,
};

struct event_update_event_cpus {
	struct cpu_map_data	 cpus;
};

struct event_update_event_scale {
	double			 scale;
};

struct event_update_event {
	struct perf_event_header header;
	__u64			 type;
	__u64			 id;
	char			 data[];
};

#define MAX_EVENT_NAME 64

struct perf_trace_event_type {
	__u64			 event_id;
	char			 name[MAX_EVENT_NAME];
};

struct event_type_event {
	struct perf_event_header	 header;
	struct perf_trace_event_type	 event_type;
};

struct tracing_data_event {
	struct perf_event_header header;
	__u32			 size;
};

struct build_id_event {
	struct perf_event_header header;
	pid_t			 pid;
	__u8			 build_id[24];
	char			 filename[];
};

struct id_index_entry {
	__u64			 id;
	__u64			 idx;
	__u64			 cpu;
	__u64			 tid;
};

struct id_index_event {
	struct perf_event_header header;
	__u64			 nr;
	struct id_index_entry	 entries[0];
};

struct auxtrace_info_event {
	struct perf_event_header header;
	__u32			 type;
	__u32			 reserved__; /* For alignment */
	__u64			 priv[];
};

struct auxtrace_event {
	struct perf_event_header header;
	__u64			 size;
	__u64			 offset;
	__u64			 reference;
	__u32			 idx;
	__u32			 tid;
	__u32			 cpu;
	__u32			 reserved__; /* For alignment */
};

#define MAX_AUXTRACE_ERROR_MSG 64

struct auxtrace_error_event {
	struct perf_event_header header;
	__u32			 type;
	__u32			 code;
	__u32			 cpu;
	__u32			 pid;
	__u32			 tid;
	__u32			 fmt;
	__u64			 ip;
	__u64			 time;
	char			 msg[MAX_AUXTRACE_ERROR_MSG];
};

#endif /* __LIBPERF_EVENT_H */