aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/util/event.h
blob: 1d7f66488a885456ab4dac49bcc3ecaadad904c2 (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
#ifndef __PERF_RECORD_H
#define __PERF_RECORD_H

#include <limits.h>

#include "../perf.h"
#include "map.h"

/*
 * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
 */
struct ip_event {
	struct perf_event_header header;
	u64 ip;
	u32 pid, tid;
	unsigned char __more_data[];
};

struct mmap_event {
	struct perf_event_header header;
	u32 pid, tid;
	u64 start;
	u64 len;
	u64 pgoff;
	char filename[PATH_MAX];
};

struct comm_event {
	struct perf_event_header header;
	u32 pid, tid;
	char comm[16];
};

struct fork_event {
	struct perf_event_header header;
	u32 pid, ppid;
	u32 tid, ptid;
	u64 time;
};

struct lost_event {
	struct perf_event_header header;
	u64 id;
	u64 lost;
};

/*
 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
 */
struct read_event {
	struct perf_event_header header;
	u32 pid, tid;
	u64 value;
	u64 time_enabled;
	u64 time_running;
	u64 id;
};


#define PERF_SAMPLE_MASK				\
	(PERF_SAMPLE_IP | PERF_SAMPLE_TID |		\
	 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |		\
	PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |	\
	 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)

struct sample_event {
	struct perf_event_header        header;
	u64 array[];
};

struct perf_sample {
	u64 ip;
	u32 pid, tid;
	u64 time;
	u64 addr;
	u64 id;
	u64 stream_id;
	u64 period;
	u32 cpu;
	u32 raw_size;
	void *raw_data;
	struct ip_callchain *callchain;
};

#define BUILD_ID_SIZE 20

struct build_id_event {
	struct perf_event_header header;
	pid_t			 pid;
	u8			 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
	char			 filename[];
};

enum perf_user_event_type { /* above any possible kernel type */
	PERF_RECORD_USER_TYPE_START		= 64,
	PERF_RECORD_HEADER_ATTR			= 64,
	PERF_RECORD_HEADER_EVENT_TYPE		= 65,
	PERF_RECORD_HEADER_TRACING_DATA		= 66,
	PERF_RECORD_HEADER_BUILD_ID		= 67,
	PERF_RECORD_FINISHED_ROUND		= 68,
	PERF_RECORD_HEADER_MAX
};

struct attr_event {
	struct perf_event_header header;
	struct perf_event_attr attr;
	u64 id[];
};

#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;
};

union perf_event {
	struct perf_event_header	header;
	struct ip_event			ip;
	struct mmap_event		mmap;
	struct comm_event		comm;
	struct fork_event		fork;
	struct lost_event		lost;
	struct read_event		read;
	struct sample_event		sample;
	struct attr_event		attr;
	struct event_type_event		event_type;
	struct tracing_data_event	tracing_data;
	struct build_id_event		build_id;
};

void perf_event__print_totals(void);

struct perf_session;
struct thread_map;

typedef int (*perf_event__handler_synth_t)(union perf_event *event, 
					   struct perf_session *session);
typedef int (*perf_event__handler_t)(union perf_event *event,
				     struct perf_sample *sample,
				      struct perf_session *session);

int perf_event__synthesize_thread_map(struct thread_map *threads,
				      perf_event__handler_t process,
				      struct perf_session *session);
int perf_event__synthesize_threads(perf_event__handler_t process,
				   struct perf_session *session);
int perf_event__synthesize_kernel_mmap(perf_event__handler_t process,
				       struct perf_session *session,
				       struct machine *machine,
				       const char *symbol_name);

int perf_event__synthesize_modules(perf_event__handler_t process,
				   struct perf_session *session,
				   struct machine *machine);

int perf_event__process_comm(union perf_event *event, struct perf_sample *sample,
			     struct perf_session *session);
int perf_event__process_lost(union perf_event *event, struct perf_sample *sample,
			     struct perf_session *session);
int perf_event__process_mmap(union perf_event *event, struct perf_sample *sample,
			     struct perf_session *session);
int perf_event__process_task(union perf_event *event, struct perf_sample *sample,
			     struct perf_session *session);
int perf_event__process(union perf_event *event, struct perf_sample *sample,
			struct perf_session *session);

struct addr_location;
int perf_event__preprocess_sample(const union perf_event *self,
				  struct perf_session *session,
				  struct addr_location *al,
				  struct perf_sample *sample,
				  symbol_filter_t filter);

const char *perf_event__name(unsigned int id);

int perf_event__parse_sample(const union perf_event *event, u64 type,
			     int sample_size, bool sample_id_all,
			     struct perf_sample *sample);

#endif /* __PERF_RECORD_H */

Privacy Policy