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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  */
12 struct ip_event {
13 	struct perf_event_header header;
14 	u64 ip;
15 	u32 pid, tid;
16 	unsigned char __more_data[];
17 };
18 
19 struct 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 
28 struct comm_event {
29 	struct perf_event_header header;
30 	u32 pid, tid;
31 	char comm[16];
32 };
33 
34 struct fork_event {
35 	struct perf_event_header header;
36 	u32 pid, ppid;
37 	u32 tid, ptid;
38 	u64 time;
39 };
40 
41 struct 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  */
50 struct 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 
66 struct sample_event {
67 	struct perf_event_header        header;
68 	u64 array[];
69 };
70 
71 struct 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 
87 struct build_id_event {
88 	struct perf_event_header header;
89 	pid_t			 pid;
90         /* ANDROID_CHANGE_BEGIN */
91 #if defined(__BIONIC__) || defined(__APPLE__)
92 	u8			 build_id[KERNEL_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
93 #else
94 	u8			 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
95 #endif
96         /* ANDROID_CHANGE_END */
97 	char			 filename[];
98 };
99 
100 enum perf_user_event_type { /* above any possible kernel type */
101 	PERF_RECORD_USER_TYPE_START		= 64,
102 	PERF_RECORD_HEADER_ATTR			= 64,
103 	PERF_RECORD_HEADER_EVENT_TYPE		= 65,
104 	PERF_RECORD_HEADER_TRACING_DATA		= 66,
105 	PERF_RECORD_HEADER_BUILD_ID		= 67,
106 	PERF_RECORD_FINISHED_ROUND		= 68,
107 	PERF_RECORD_HEADER_MAX
108 };
109 
110 struct attr_event {
111 	struct perf_event_header header;
112 	struct perf_event_attr attr;
113 	u64 id[];
114 };
115 
116 #define MAX_EVENT_NAME 64
117 
118 struct perf_trace_event_type {
119 	u64	event_id;
120 	char	name[MAX_EVENT_NAME];
121 };
122 
123 struct event_type_event {
124 	struct perf_event_header header;
125 	struct perf_trace_event_type event_type;
126 };
127 
128 struct tracing_data_event {
129 	struct perf_event_header header;
130 	u32 size;
131 };
132 
133 union perf_event {
134 	struct perf_event_header	header;
135 	struct ip_event			ip;
136 	struct mmap_event		mmap;
137 	struct comm_event		comm;
138 	struct fork_event		fork;
139 	struct lost_event		lost;
140 	struct read_event		read;
141 	struct sample_event		sample;
142 	struct attr_event		attr;
143 	struct event_type_event		event_type;
144 	struct tracing_data_event	tracing_data;
145 	struct build_id_event		build_id;
146 };
147 
148 void perf_event__print_totals(void);
149 
150 struct perf_session;
151 struct thread_map;
152 
153 typedef int (*perf_event__handler_synth_t)(union perf_event *event,
154 					   struct perf_session *session);
155 typedef int (*perf_event__handler_t)(union perf_event *event,
156 				     struct perf_sample *sample,
157 				      struct perf_session *session);
158 
159 int perf_event__synthesize_thread_map(struct thread_map *threads,
160 				      perf_event__handler_t process,
161 				      struct perf_session *session);
162 int perf_event__synthesize_threads(perf_event__handler_t process,
163 				   struct perf_session *session);
164 int perf_event__synthesize_kernel_mmap(perf_event__handler_t process,
165 				       struct perf_session *session,
166 				       struct machine *machine,
167 				       const char *symbol_name);
168 
169 int perf_event__synthesize_modules(perf_event__handler_t process,
170 				   struct perf_session *session,
171 				   struct machine *machine);
172 
173 int perf_event__process_comm(union perf_event *event, struct perf_sample *sample,
174 			     struct perf_session *session);
175 int perf_event__process_lost(union perf_event *event, struct perf_sample *sample,
176 			     struct perf_session *session);
177 int perf_event__process_mmap(union perf_event *event, struct perf_sample *sample,
178 			     struct perf_session *session);
179 int perf_event__process_task(union perf_event *event, struct perf_sample *sample,
180 			     struct perf_session *session);
181 int perf_event__process(union perf_event *event, struct perf_sample *sample,
182 			struct perf_session *session);
183 
184 struct addr_location;
185 int perf_event__preprocess_sample(const union perf_event *self,
186 				  struct perf_session *session,
187 				  struct addr_location *al,
188 				  struct perf_sample *sample,
189 				  symbol_filter_t filter);
190 
191 const char *perf_event__name(unsigned int id);
192 
193 int perf_event__parse_sample(const union perf_event *event, u64 type,
194 			     int sample_size, bool sample_id_all,
195 			     struct perf_sample *sample);
196 
197 #endif /* __PERF_RECORD_H */
198