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
59
60#define PERF_SAMPLE_MASK \
61 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
62 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
63 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
64 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
65
66struct sample_event {
67 struct perf_event_header header;
68 u64 array[];
69};
70
71struct perf_sample {
72 u64 ip;
73 u32 pid, tid;
74 u64 time;
75 u64 addr;
76 u64 id;
77 u64 stream_id;
78 u64 period;
79 u32 cpu;
80 u32 raw_size;
81 void *raw_data;
82 struct ip_callchain *callchain;
83};
84
85#define BUILD_ID_SIZE 20
86
87struct build_id_event {
88 struct perf_event_header header;
89 pid_t pid;
90 u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
91 char filename[];
92};
93
94enum perf_user_event_type { /* above any possible kernel type */
95 PERF_RECORD_USER_TYPE_START = 64,
96 PERF_RECORD_HEADER_ATTR = 64,
97 PERF_RECORD_HEADER_EVENT_TYPE = 65,
98 PERF_RECORD_HEADER_TRACING_DATA = 66,
99 PERF_RECORD_HEADER_BUILD_ID = 67,
100 PERF_RECORD_FINISHED_ROUND = 68,
101 PERF_RECORD_HEADER_MAX
102};
103
104struct attr_event {
105 struct perf_event_header header;
106 struct perf_event_attr attr;
107 u64 id[];
108};
109
110#define MAX_EVENT_NAME 64
111
112struct perf_trace_event_type {
113 u64 event_id;
114 char name[MAX_EVENT_NAME];
115};
116
117struct event_type_event {
118 struct perf_event_header header;
119 struct perf_trace_event_type event_type;
120};
121
122struct tracing_data_event {
123 struct perf_event_header header;
124 u32 size;
125};
126
127union perf_event {
128 struct perf_event_header header;
129 struct ip_event ip;
130 struct mmap_event mmap;
131 struct comm_event comm;
132 struct fork_event fork;
133 struct lost_event lost;
134 struct read_event read;
135 struct sample_event sample;
136 struct attr_event attr;
137 struct event_type_event event_type;
138 struct tracing_data_event tracing_data;
139 struct build_id_event build_id;
140};
141
142void perf_event__print_totals(void);
143
144struct perf_session;
145struct thread_map;
146
147typedef int (*perf_event__handler_synth_t)(union perf_event *event,
148 struct perf_session *session);
149typedef int (*perf_event__handler_t)(union perf_event *event,
150 struct perf_sample *sample,
151 struct perf_session *session);
152
153int perf_event__synthesize_thread_map(struct thread_map *threads,
154 perf_event__handler_t process,
155 struct perf_session *session);
156int perf_event__synthesize_threads(perf_event__handler_t process,
157 struct perf_session *session);
158int perf_event__synthesize_kernel_mmap(perf_event__handler_t process,
159 struct perf_session *session,
160 struct machine *machine,
161 const char *symbol_name);
162
163int perf_event__synthesize_modules(perf_event__handler_t process,
164 struct perf_session *session,
165 struct machine *machine);
166
167int perf_event__process_comm(union perf_event *event, struct perf_sample *sample,
168 struct perf_session *session);
169int perf_event__process_lost(union perf_event *event, struct perf_sample *sample,
170 struct perf_session *session);
171int perf_event__process_mmap(union perf_event *event, struct perf_sample *sample,
172 struct perf_session *session);
173int perf_event__process_task(union perf_event *event, struct perf_sample *sample,
174 struct perf_session *session);
175int perf_event__process(union perf_event *event, struct perf_sample *sample,
176 struct perf_session *session);
177
178struct addr_location;
179int perf_event__preprocess_sample(const union perf_event *self,
180 struct perf_session *session,
181 struct addr_location *al,
182 struct perf_sample *sample,
183 symbol_filter_t filter);
184
185const char *perf_event__name(unsigned int id);
186
187int perf_event__parse_sample(const union perf_event *event, u64 type,
188 int sample_size, bool sample_id_all,
189 struct perf_sample *sample, bool swapped);
190
191#endif /* __PERF_RECORD_H */