summaryrefslogtreecommitdiffstats
path: root/tools/perf/util/event.h
blob: b364da5b0cbf27029a3a8620caee32c583779840 (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
#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;
};

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

struct sample_data {
	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_header_event_type { /* above any possible kernel type */
	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_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;
};

typedef union event_union {
	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;
} event_t;

struct events_stats {
	u64 total;
	u64 lost;
};

struct event_stat_id {
	struct rb_node		rb_node;
	struct rb_root		hists;
	struct events_stats	stats;
	u64			config;
	u64			event_stream;
	u32			type;
};

void event__print_totals(void);

struct perf_session;

typedef int (*event__handler_t)(event_t *event, struct perf_session *session);

int event__synthesize_thread(pid_t pid, event__handler_t process,
			     struct perf_session *session);
void event__synthesize_threads(event__handler_t process,
			       struct perf_session *session);
int event__synthesize_kernel_mmap(event__handler_t process,
				struct perf_session *session,
				struct machine *machine,
				const char *symbol_name);

int event__synthesize_modules(event__handler_t process,
			      struct perf_session *session,
			      struct machine *machine);

int event__process_comm(event_t *self, struct perf_session *session);
int event__process_lost(event_t *self, struct perf_session *session);
int event__process_mmap(event_t *self, struct perf_session *session);
int event__process_task(event_t *self, struct perf_session *session);

struct addr_location;
int event__preprocess_sample(const event_t *self, struct perf_session *session,
			     struct addr_location *al, symbol_filter_t filter);
int event__parse_sample(event_t *event, u64 type, struct sample_data *data);

#endif /* __PERF_RECORD_H */
OpenPOWER on IntegriCloud