xref: /openbmc/linux/tools/perf/util/event.h (revision d0b73b48)
1 #ifndef __PERF_RECORD_H
2 #define __PERF_RECORD_H
3 
4 #include <limits.h>
5 #include <stdio.h>
6 
7 #include "../perf.h"
8 #include "map.h"
9 #include "build-id.h"
10 
11 /*
12  * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
13  */
14 struct ip_event {
15 	struct perf_event_header header;
16 	u64 ip;
17 	u32 pid, tid;
18 	unsigned char __more_data[];
19 };
20 
21 struct mmap_event {
22 	struct perf_event_header header;
23 	u32 pid, tid;
24 	u64 start;
25 	u64 len;
26 	u64 pgoff;
27 	char filename[PATH_MAX];
28 };
29 
30 struct comm_event {
31 	struct perf_event_header header;
32 	u32 pid, tid;
33 	char comm[16];
34 };
35 
36 struct fork_event {
37 	struct perf_event_header header;
38 	u32 pid, ppid;
39 	u32 tid, ptid;
40 	u64 time;
41 };
42 
43 struct lost_event {
44 	struct perf_event_header header;
45 	u64 id;
46 	u64 lost;
47 };
48 
49 /*
50  * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
51  */
52 struct read_event {
53 	struct perf_event_header header;
54 	u32 pid, tid;
55 	u64 value;
56 	u64 time_enabled;
57 	u64 time_running;
58 	u64 id;
59 };
60 
61 
62 #define PERF_SAMPLE_MASK				\
63 	(PERF_SAMPLE_IP | PERF_SAMPLE_TID |		\
64 	 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |		\
65 	PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |	\
66 	 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
67 
68 struct sample_event {
69 	struct perf_event_header        header;
70 	u64 array[];
71 };
72 
73 struct regs_dump {
74 	u64 *regs;
75 };
76 
77 struct stack_dump {
78 	u16 offset;
79 	u64 size;
80 	char *data;
81 };
82 
83 struct perf_sample {
84 	u64 ip;
85 	u32 pid, tid;
86 	u64 time;
87 	u64 addr;
88 	u64 id;
89 	u64 stream_id;
90 	u64 period;
91 	u32 cpu;
92 	u32 raw_size;
93 	void *raw_data;
94 	struct ip_callchain *callchain;
95 	struct branch_stack *branch_stack;
96 	struct regs_dump  user_regs;
97 	struct stack_dump user_stack;
98 };
99 
100 struct build_id_event {
101 	struct perf_event_header header;
102 	pid_t			 pid;
103 	u8			 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
104 	char			 filename[];
105 };
106 
107 enum perf_user_event_type { /* above any possible kernel type */
108 	PERF_RECORD_USER_TYPE_START		= 64,
109 	PERF_RECORD_HEADER_ATTR			= 64,
110 	PERF_RECORD_HEADER_EVENT_TYPE		= 65,
111 	PERF_RECORD_HEADER_TRACING_DATA		= 66,
112 	PERF_RECORD_HEADER_BUILD_ID		= 67,
113 	PERF_RECORD_FINISHED_ROUND		= 68,
114 	PERF_RECORD_HEADER_MAX
115 };
116 
117 struct attr_event {
118 	struct perf_event_header header;
119 	struct perf_event_attr attr;
120 	u64 id[];
121 };
122 
123 #define MAX_EVENT_NAME 64
124 
125 struct perf_trace_event_type {
126 	u64	event_id;
127 	char	name[MAX_EVENT_NAME];
128 };
129 
130 struct event_type_event {
131 	struct perf_event_header header;
132 	struct perf_trace_event_type event_type;
133 };
134 
135 struct tracing_data_event {
136 	struct perf_event_header header;
137 	u32 size;
138 };
139 
140 union perf_event {
141 	struct perf_event_header	header;
142 	struct ip_event			ip;
143 	struct mmap_event		mmap;
144 	struct comm_event		comm;
145 	struct fork_event		fork;
146 	struct lost_event		lost;
147 	struct read_event		read;
148 	struct sample_event		sample;
149 	struct attr_event		attr;
150 	struct event_type_event		event_type;
151 	struct tracing_data_event	tracing_data;
152 	struct build_id_event		build_id;
153 };
154 
155 void perf_event__print_totals(void);
156 
157 struct perf_tool;
158 struct thread_map;
159 
160 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
161 				     union perf_event *event,
162 				     struct perf_sample *sample,
163 				     struct machine *machine);
164 
165 int perf_event__synthesize_thread_map(struct perf_tool *tool,
166 				      struct thread_map *threads,
167 				      perf_event__handler_t process,
168 				      struct machine *machine);
169 int perf_event__synthesize_threads(struct perf_tool *tool,
170 				   perf_event__handler_t process,
171 				   struct machine *machine);
172 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
173 				       perf_event__handler_t process,
174 				       struct machine *machine,
175 				       const char *symbol_name);
176 
177 int perf_event__synthesize_modules(struct perf_tool *tool,
178 				   perf_event__handler_t process,
179 				   struct machine *machine);
180 
181 int perf_event__process_comm(struct perf_tool *tool,
182 			     union perf_event *event,
183 			     struct perf_sample *sample,
184 			     struct machine *machine);
185 int perf_event__process_lost(struct perf_tool *tool,
186 			     union perf_event *event,
187 			     struct perf_sample *sample,
188 			     struct machine *machine);
189 int perf_event__process_mmap(struct perf_tool *tool,
190 			     union perf_event *event,
191 			     struct perf_sample *sample,
192 			     struct machine *machine);
193 int perf_event__process_fork(struct perf_tool *tool,
194 			     union perf_event *event,
195 			     struct perf_sample *sample,
196 			     struct machine *machine);
197 int perf_event__process_exit(struct perf_tool *tool,
198 			     union perf_event *event,
199 			     struct perf_sample *sample,
200 			     struct machine *machine);
201 int perf_event__process(struct perf_tool *tool,
202 			union perf_event *event,
203 			struct perf_sample *sample,
204 			struct machine *machine);
205 
206 struct addr_location;
207 int perf_event__preprocess_sample(const union perf_event *self,
208 				  struct machine *machine,
209 				  struct addr_location *al,
210 				  struct perf_sample *sample,
211 				  symbol_filter_t filter);
212 
213 const char *perf_event__name(unsigned int id);
214 
215 int perf_event__synthesize_sample(union perf_event *event, u64 type,
216 				  const struct perf_sample *sample,
217 				  bool swapped);
218 
219 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
220 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
221 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
222 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
223 
224 #endif /* __PERF_RECORD_H */
225