xref: /openbmc/linux/tools/perf/util/event.h (revision 79f08d9e)
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 struct mmap_event {
12 	struct perf_event_header header;
13 	u32 pid, tid;
14 	u64 start;
15 	u64 len;
16 	u64 pgoff;
17 	char filename[PATH_MAX];
18 };
19 
20 struct mmap2_event {
21 	struct perf_event_header header;
22 	u32 pid, tid;
23 	u64 start;
24 	u64 len;
25 	u64 pgoff;
26 	u32 maj;
27 	u32 min;
28 	u64 ino;
29 	u64 ino_generation;
30 	char filename[PATH_MAX];
31 };
32 
33 struct comm_event {
34 	struct perf_event_header header;
35 	u32 pid, tid;
36 	char comm[16];
37 };
38 
39 struct fork_event {
40 	struct perf_event_header header;
41 	u32 pid, ppid;
42 	u32 tid, ptid;
43 	u64 time;
44 };
45 
46 struct lost_event {
47 	struct perf_event_header header;
48 	u64 id;
49 	u64 lost;
50 };
51 
52 /*
53  * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
54  */
55 struct read_event {
56 	struct perf_event_header header;
57 	u32 pid, tid;
58 	u64 value;
59 	u64 time_enabled;
60 	u64 time_running;
61 	u64 id;
62 };
63 
64 struct throttle_event {
65 	struct perf_event_header header;
66 	u64 time;
67 	u64 id;
68 	u64 stream_id;
69 };
70 
71 #define PERF_SAMPLE_MASK				\
72 	(PERF_SAMPLE_IP | PERF_SAMPLE_TID |		\
73 	 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |		\
74 	PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |	\
75 	 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD |		\
76 	 PERF_SAMPLE_IDENTIFIER)
77 
78 /* perf sample has 16 bits size limit */
79 #define PERF_SAMPLE_MAX_SIZE (1 << 16)
80 
81 struct sample_event {
82 	struct perf_event_header        header;
83 	u64 array[];
84 };
85 
86 struct regs_dump {
87 	u64 abi;
88 	u64 *regs;
89 };
90 
91 struct stack_dump {
92 	u16 offset;
93 	u64 size;
94 	char *data;
95 };
96 
97 struct sample_read_value {
98 	u64 value;
99 	u64 id;
100 };
101 
102 struct sample_read {
103 	u64 time_enabled;
104 	u64 time_running;
105 	union {
106 		struct {
107 			u64 nr;
108 			struct sample_read_value *values;
109 		} group;
110 		struct sample_read_value one;
111 	};
112 };
113 
114 struct perf_sample {
115 	u64 ip;
116 	u32 pid, tid;
117 	u64 time;
118 	u64 addr;
119 	u64 id;
120 	u64 stream_id;
121 	u64 period;
122 	u64 weight;
123 	u64 transaction;
124 	u32 cpu;
125 	u32 raw_size;
126 	u64 data_src;
127 	void *raw_data;
128 	struct ip_callchain *callchain;
129 	struct branch_stack *branch_stack;
130 	struct regs_dump  user_regs;
131 	struct stack_dump user_stack;
132 	struct sample_read read;
133 };
134 
135 #define PERF_MEM_DATA_SRC_NONE \
136 	(PERF_MEM_S(OP, NA) |\
137 	 PERF_MEM_S(LVL, NA) |\
138 	 PERF_MEM_S(SNOOP, NA) |\
139 	 PERF_MEM_S(LOCK, NA) |\
140 	 PERF_MEM_S(TLB, NA))
141 
142 struct build_id_event {
143 	struct perf_event_header header;
144 	pid_t			 pid;
145 	u8			 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
146 	char			 filename[];
147 };
148 
149 enum perf_user_event_type { /* above any possible kernel type */
150 	PERF_RECORD_USER_TYPE_START		= 64,
151 	PERF_RECORD_HEADER_ATTR			= 64,
152 	PERF_RECORD_HEADER_EVENT_TYPE		= 65, /* depreceated */
153 	PERF_RECORD_HEADER_TRACING_DATA		= 66,
154 	PERF_RECORD_HEADER_BUILD_ID		= 67,
155 	PERF_RECORD_FINISHED_ROUND		= 68,
156 	PERF_RECORD_HEADER_MAX
157 };
158 
159 struct attr_event {
160 	struct perf_event_header header;
161 	struct perf_event_attr attr;
162 	u64 id[];
163 };
164 
165 #define MAX_EVENT_NAME 64
166 
167 struct perf_trace_event_type {
168 	u64	event_id;
169 	char	name[MAX_EVENT_NAME];
170 };
171 
172 struct event_type_event {
173 	struct perf_event_header header;
174 	struct perf_trace_event_type event_type;
175 };
176 
177 struct tracing_data_event {
178 	struct perf_event_header header;
179 	u32 size;
180 };
181 
182 union perf_event {
183 	struct perf_event_header	header;
184 	struct mmap_event		mmap;
185 	struct mmap2_event		mmap2;
186 	struct comm_event		comm;
187 	struct fork_event		fork;
188 	struct lost_event		lost;
189 	struct read_event		read;
190 	struct throttle_event		throttle;
191 	struct sample_event		sample;
192 	struct attr_event		attr;
193 	struct event_type_event		event_type;
194 	struct tracing_data_event	tracing_data;
195 	struct build_id_event		build_id;
196 };
197 
198 void perf_event__print_totals(void);
199 
200 struct perf_tool;
201 struct thread_map;
202 
203 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
204 				     union perf_event *event,
205 				     struct perf_sample *sample,
206 				     struct machine *machine);
207 
208 int perf_event__synthesize_thread_map(struct perf_tool *tool,
209 				      struct thread_map *threads,
210 				      perf_event__handler_t process,
211 				      struct machine *machine, bool mmap_data);
212 int perf_event__synthesize_threads(struct perf_tool *tool,
213 				   perf_event__handler_t process,
214 				   struct machine *machine, bool mmap_data);
215 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
216 				       perf_event__handler_t process,
217 				       struct machine *machine,
218 				       const char *symbol_name);
219 
220 int perf_event__synthesize_modules(struct perf_tool *tool,
221 				   perf_event__handler_t process,
222 				   struct machine *machine);
223 
224 int perf_event__process_comm(struct perf_tool *tool,
225 			     union perf_event *event,
226 			     struct perf_sample *sample,
227 			     struct machine *machine);
228 int perf_event__process_lost(struct perf_tool *tool,
229 			     union perf_event *event,
230 			     struct perf_sample *sample,
231 			     struct machine *machine);
232 int perf_event__process_mmap(struct perf_tool *tool,
233 			     union perf_event *event,
234 			     struct perf_sample *sample,
235 			     struct machine *machine);
236 int perf_event__process_mmap2(struct perf_tool *tool,
237 			     union perf_event *event,
238 			     struct perf_sample *sample,
239 			     struct machine *machine);
240 int perf_event__process_fork(struct perf_tool *tool,
241 			     union perf_event *event,
242 			     struct perf_sample *sample,
243 			     struct machine *machine);
244 int perf_event__process_exit(struct perf_tool *tool,
245 			     union perf_event *event,
246 			     struct perf_sample *sample,
247 			     struct machine *machine);
248 int perf_event__process(struct perf_tool *tool,
249 			union perf_event *event,
250 			struct perf_sample *sample,
251 			struct machine *machine);
252 
253 struct addr_location;
254 
255 int perf_event__preprocess_sample(const union perf_event *event,
256 				  struct machine *machine,
257 				  struct addr_location *al,
258 				  struct perf_sample *sample);
259 
260 const char *perf_event__name(unsigned int id);
261 
262 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
263 				     u64 sample_regs_user, u64 read_format);
264 int perf_event__synthesize_sample(union perf_event *event, u64 type,
265 				  u64 sample_regs_user, u64 read_format,
266 				  const struct perf_sample *sample,
267 				  bool swapped);
268 
269 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
270 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
271 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
272 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
273 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
274 
275 #endif /* __PERF_RECORD_H */
276