xref: /openbmc/linux/tools/perf/util/event.h (revision 63dc02bd)
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 
10 /*
11  * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
12  */
13 struct ip_event {
14 	struct perf_event_header header;
15 	u64 ip;
16 	u32 pid, tid;
17 	unsigned char __more_data[];
18 };
19 
20 struct mmap_event {
21 	struct perf_event_header header;
22 	u32 pid, tid;
23 	u64 start;
24 	u64 len;
25 	u64 pgoff;
26 	char filename[PATH_MAX];
27 };
28 
29 struct comm_event {
30 	struct perf_event_header header;
31 	u32 pid, tid;
32 	char comm[16];
33 };
34 
35 struct fork_event {
36 	struct perf_event_header header;
37 	u32 pid, ppid;
38 	u32 tid, ptid;
39 	u64 time;
40 };
41 
42 struct lost_event {
43 	struct perf_event_header header;
44 	u64 id;
45 	u64 lost;
46 };
47 
48 /*
49  * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
50  */
51 struct read_event {
52 	struct perf_event_header header;
53 	u32 pid, tid;
54 	u64 value;
55 	u64 time_enabled;
56 	u64 time_running;
57 	u64 id;
58 };
59 
60 
61 #define PERF_SAMPLE_MASK				\
62 	(PERF_SAMPLE_IP | PERF_SAMPLE_TID |		\
63 	 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |		\
64 	PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |	\
65 	 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
66 
67 struct sample_event {
68 	struct perf_event_header        header;
69 	u64 array[];
70 };
71 
72 struct perf_sample {
73 	u64 ip;
74 	u32 pid, tid;
75 	u64 time;
76 	u64 addr;
77 	u64 id;
78 	u64 stream_id;
79 	u64 period;
80 	u32 cpu;
81 	u32 raw_size;
82 	void *raw_data;
83 	struct ip_callchain *callchain;
84 	struct branch_stack *branch_stack;
85 };
86 
87 #define BUILD_ID_SIZE 20
88 
89 struct build_id_event {
90 	struct perf_event_header header;
91 	pid_t			 pid;
92 	u8			 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
93 	char			 filename[];
94 };
95 
96 enum perf_user_event_type { /* above any possible kernel type */
97 	PERF_RECORD_USER_TYPE_START		= 64,
98 	PERF_RECORD_HEADER_ATTR			= 64,
99 	PERF_RECORD_HEADER_EVENT_TYPE		= 65,
100 	PERF_RECORD_HEADER_TRACING_DATA		= 66,
101 	PERF_RECORD_HEADER_BUILD_ID		= 67,
102 	PERF_RECORD_FINISHED_ROUND		= 68,
103 	PERF_RECORD_HEADER_MAX
104 };
105 
106 struct attr_event {
107 	struct perf_event_header header;
108 	struct perf_event_attr attr;
109 	u64 id[];
110 };
111 
112 #define MAX_EVENT_NAME 64
113 
114 struct perf_trace_event_type {
115 	u64	event_id;
116 	char	name[MAX_EVENT_NAME];
117 };
118 
119 struct event_type_event {
120 	struct perf_event_header header;
121 	struct perf_trace_event_type event_type;
122 };
123 
124 struct tracing_data_event {
125 	struct perf_event_header header;
126 	u32 size;
127 };
128 
129 union perf_event {
130 	struct perf_event_header	header;
131 	struct ip_event			ip;
132 	struct mmap_event		mmap;
133 	struct comm_event		comm;
134 	struct fork_event		fork;
135 	struct lost_event		lost;
136 	struct read_event		read;
137 	struct sample_event		sample;
138 	struct attr_event		attr;
139 	struct event_type_event		event_type;
140 	struct tracing_data_event	tracing_data;
141 	struct build_id_event		build_id;
142 };
143 
144 void perf_event__print_totals(void);
145 
146 struct perf_tool;
147 struct thread_map;
148 
149 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
150 				     union perf_event *event,
151 				     struct perf_sample *sample,
152 				     struct machine *machine);
153 
154 int perf_event__synthesize_thread_map(struct perf_tool *tool,
155 				      struct thread_map *threads,
156 				      perf_event__handler_t process,
157 				      struct machine *machine);
158 int perf_event__synthesize_threads(struct perf_tool *tool,
159 				   perf_event__handler_t process,
160 				   struct machine *machine);
161 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
162 				       perf_event__handler_t process,
163 				       struct machine *machine,
164 				       const char *symbol_name);
165 
166 int perf_event__synthesize_modules(struct perf_tool *tool,
167 				   perf_event__handler_t process,
168 				   struct machine *machine);
169 
170 int perf_event__process_comm(struct perf_tool *tool,
171 			     union perf_event *event,
172 			     struct perf_sample *sample,
173 			     struct machine *machine);
174 int perf_event__process_lost(struct perf_tool *tool,
175 			     union perf_event *event,
176 			     struct perf_sample *sample,
177 			     struct machine *machine);
178 int perf_event__process_mmap(struct perf_tool *tool,
179 			     union perf_event *event,
180 			     struct perf_sample *sample,
181 			     struct machine *machine);
182 int perf_event__process_task(struct perf_tool *tool,
183 			     union perf_event *event,
184 			     struct perf_sample *sample,
185 			     struct machine *machine);
186 int perf_event__process(struct perf_tool *tool,
187 			union perf_event *event,
188 			struct perf_sample *sample,
189 			struct machine *machine);
190 
191 struct addr_location;
192 int perf_event__preprocess_sample(const union perf_event *self,
193 				  struct machine *machine,
194 				  struct addr_location *al,
195 				  struct perf_sample *sample,
196 				  symbol_filter_t filter);
197 
198 const char *perf_event__name(unsigned int id);
199 
200 int perf_event__parse_sample(const union perf_event *event, u64 type,
201 			     int sample_size, bool sample_id_all,
202 			     struct perf_sample *sample, bool swapped);
203 int perf_event__synthesize_sample(union perf_event *event, u64 type,
204 				  const struct perf_sample *sample,
205 				  bool swapped);
206 
207 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
208 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
209 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
210 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
211 
212 #endif /* __PERF_RECORD_H */
213