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
6#include "../perf.h"
7#include "map.h"
8
9/*
10 * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
11 */
12struct ip_event {
13 struct perf_event_header header;
14 u64 ip;
15 u32 pid, tid;
16 unsigned char __more_data[];
17};
18
19struct mmap_event {
20 struct perf_event_header header;
21 u32 pid, tid;
22 u64 start;
23 u64 len;
24 u64 pgoff;
25 char filename[PATH_MAX];
26};
27
28struct comm_event {
29 struct perf_event_header header;
30 u32 pid, tid;
31 char comm[16];
32};
33
34struct fork_event {
35 struct perf_event_header header;
36 u32 pid, ppid;
37 u32 tid, ptid;
38 u64 time;
39};
40
41struct lost_event {
42 struct perf_event_header header;
43 u64 id;
44 u64 lost;
45};
46
47/*
48 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
49 */
50struct read_event {
51 struct perf_event_header header;
52 u32 pid, tid;
53 u64 value;
54 u64 time_enabled;
55 u64 time_running;
56 u64 id;
57};
58
59struct sample_event {
60 struct perf_event_header header;
61 u64 array[];
62};
63
64struct sample_data {
65 u64 ip;
66 u32 pid, tid;
67 u64 time;
68 u64 addr;
69 u64 id;
70 u64 stream_id;
71 u64 period;
72 u32 cpu;
73 u32 raw_size;
74 void *raw_data;
75 struct ip_callchain *callchain;
76};
77
78#define BUILD_ID_SIZE 20
79
80struct build_id_event {
81 struct perf_event_header header;
82 pid_t pid;
83 u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
84 char filename[];
85};
86
87enum perf_user_event_type { /* above any possible kernel type */
88 PERF_RECORD_HEADER_ATTR = 64,
89 PERF_RECORD_HEADER_EVENT_TYPE = 65,
90 PERF_RECORD_HEADER_TRACING_DATA = 66,
91 PERF_RECORD_HEADER_BUILD_ID = 67,
92 PERF_RECORD_FINISHED_ROUND = 68,
93 PERF_RECORD_HEADER_MAX
94};
95
96struct attr_event {
97 struct perf_event_header header;
98 struct perf_event_attr attr;
99 u64 id[];
100};
101
102#define MAX_EVENT_NAME 64
103
104struct perf_trace_event_type {
105 u64 event_id;
106 char name[MAX_EVENT_NAME];
107};
108
109struct event_type_event {
110 struct perf_event_header header;
111 struct perf_trace_event_type event_type;
112};
113
114struct tracing_data_event {
115 struct perf_event_header header;
116 u32 size;
117};
118
119typedef union event_union {
120 struct perf_event_header header;
121 struct ip_event ip;
122 struct mmap_event mmap;
123 struct comm_event comm;
124 struct fork_event fork;
125 struct lost_event lost;
126 struct read_event read;
127 struct sample_event sample;
128 struct attr_event attr;
129 struct event_type_event event_type;
130 struct tracing_data_event tracing_data;
131 struct build_id_event build_id;
132} event_t;
133
134void event__print_totals(void);
135
136struct perf_session;
137
138typedef int (*event__handler_t)(event_t *event, struct perf_session *session);
139
140int event__synthesize_thread(pid_t pid, event__handler_t process,
141 struct perf_session *session);
142void event__synthesize_threads(event__handler_t process,
143 struct perf_session *session);
144int event__synthesize_kernel_mmap(event__handler_t process,
145 struct perf_session *session,
146 struct machine *machine,
147 const char *symbol_name);
148
149int event__synthesize_modules(event__handler_t process,
150 struct perf_session *session,
151 struct machine *machine);
152
153int event__process_comm(event_t *self, struct perf_session *session);
154int event__process_lost(event_t *self, struct perf_session *session);
155int event__process_mmap(event_t *self, struct perf_session *session);
156int event__process_task(event_t *self, struct perf_session *session);
157
158struct addr_location;
159int event__preprocess_sample(const event_t *self, struct perf_session *session,
160 struct addr_location *al, symbol_filter_t filter);
161int event__parse_sample(event_t *event, u64 type, struct sample_data *data);
162
163extern const char *event__name[];
164
165#endif /* __PERF_RECORD_H */