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8b40f521 JK |
1 | #ifndef __PERF_TRACE_EVENTS_H |
2 | #define __PERF_TRACE_EVENTS_H | |
52050943 | 3 | |
c0555642 | 4 | #include <stdbool.h> |
1ef2ed10 | 5 | #include "parse-events.h" |
52050943 SR |
6 | |
7 | #define __unused __attribute__((unused)) | |
8 | ||
9 | ||
10 | #ifndef PAGE_MASK | |
11 | #define PAGE_MASK (page_size - 1) | |
12 | #endif | |
13 | ||
14 | enum { | |
15 | RINGBUF_TYPE_PADDING = 29, | |
16 | RINGBUF_TYPE_TIME_EXTEND = 30, | |
17 | RINGBUF_TYPE_TIME_STAMP = 31, | |
18 | }; | |
19 | ||
20 | #ifndef TS_SHIFT | |
21 | #define TS_SHIFT 27 | |
22 | #endif | |
23 | ||
24 | #define NSECS_PER_SEC 1000000000ULL | |
25 | #define NSECS_PER_USEC 1000ULL | |
26 | ||
27 | enum format_flags { | |
28 | FIELD_IS_ARRAY = 1, | |
29 | FIELD_IS_POINTER = 2, | |
26a50744 | 30 | FIELD_IS_SIGNED = 4, |
064739bc TZ |
31 | FIELD_IS_STRING = 8, |
32 | FIELD_IS_DYNAMIC = 16, | |
eb9a42ca TZ |
33 | FIELD_IS_FLAG = 32, |
34 | FIELD_IS_SYMBOLIC = 64, | |
52050943 SR |
35 | }; |
36 | ||
37 | struct format_field { | |
38 | struct format_field *next; | |
39 | char *type; | |
40 | char *name; | |
41 | int offset; | |
42 | int size; | |
43 | unsigned long flags; | |
44 | }; | |
45 | ||
46 | struct format { | |
47 | int nr_common; | |
48 | int nr_fields; | |
49 | struct format_field *common_fields; | |
50 | struct format_field *fields; | |
51 | }; | |
52 | ||
53 | struct print_arg_atom { | |
54 | char *atom; | |
55 | }; | |
56 | ||
57 | struct print_arg_string { | |
58 | char *string; | |
561f732c | 59 | int offset; |
52050943 SR |
60 | }; |
61 | ||
62 | struct print_arg_field { | |
63 | char *name; | |
64 | struct format_field *field; | |
65 | }; | |
66 | ||
67 | struct print_flag_sym { | |
68 | struct print_flag_sym *next; | |
69 | char *value; | |
70 | char *str; | |
71 | }; | |
72 | ||
73 | struct print_arg_typecast { | |
74 | char *type; | |
75 | struct print_arg *item; | |
76 | }; | |
77 | ||
78 | struct print_arg_flags { | |
79 | struct print_arg *field; | |
80 | char *delim; | |
81 | struct print_flag_sym *flags; | |
82 | }; | |
83 | ||
84 | struct print_arg_symbol { | |
85 | struct print_arg *field; | |
86 | struct print_flag_sym *symbols; | |
87 | }; | |
88 | ||
89 | struct print_arg; | |
90 | ||
91 | struct print_arg_op { | |
92 | char *op; | |
93 | int prio; | |
94 | struct print_arg *left; | |
95 | struct print_arg *right; | |
96 | }; | |
97 | ||
98 | struct print_arg_func { | |
99 | char *name; | |
100 | struct print_arg *args; | |
101 | }; | |
102 | ||
103 | enum print_arg_type { | |
104 | PRINT_NULL, | |
105 | PRINT_ATOM, | |
106 | PRINT_FIELD, | |
107 | PRINT_FLAGS, | |
108 | PRINT_SYMBOL, | |
109 | PRINT_TYPE, | |
110 | PRINT_STRING, | |
111 | PRINT_OP, | |
112 | }; | |
113 | ||
114 | struct print_arg { | |
115 | struct print_arg *next; | |
116 | enum print_arg_type type; | |
117 | union { | |
118 | struct print_arg_atom atom; | |
119 | struct print_arg_field field; | |
120 | struct print_arg_typecast typecast; | |
121 | struct print_arg_flags flags; | |
122 | struct print_arg_symbol symbol; | |
123 | struct print_arg_func func; | |
124 | struct print_arg_string string; | |
125 | struct print_arg_op op; | |
126 | }; | |
127 | }; | |
128 | ||
129 | struct print_fmt { | |
130 | char *format; | |
131 | struct print_arg *args; | |
132 | }; | |
133 | ||
134 | struct event { | |
135 | struct event *next; | |
136 | char *name; | |
137 | int id; | |
138 | int flags; | |
139 | struct format format; | |
140 | struct print_fmt print_fmt; | |
27746018 | 141 | char *system; |
52050943 SR |
142 | }; |
143 | ||
144 | enum { | |
07a4bddd SR |
145 | EVENT_FL_ISFTRACE = 0x01, |
146 | EVENT_FL_ISPRINT = 0x02, | |
147 | EVENT_FL_ISBPRINT = 0x04, | |
148 | EVENT_FL_ISFUNC = 0x08, | |
149 | EVENT_FL_ISFUNCENT = 0x10, | |
150 | EVENT_FL_ISFUNCRET = 0x20, | |
151 | ||
152 | EVENT_FL_FAILED = 0x80000000 | |
52050943 SR |
153 | }; |
154 | ||
155 | struct record { | |
156 | unsigned long long ts; | |
157 | int size; | |
158 | void *data; | |
159 | }; | |
160 | ||
161 | struct record *trace_peek_data(int cpu); | |
162 | struct record *trace_read_data(int cpu); | |
163 | ||
164 | void parse_set_info(int nr_cpus, int long_sz); | |
165 | ||
9215545e | 166 | ssize_t trace_report(int fd); |
52050943 SR |
167 | |
168 | void *malloc_or_die(unsigned int size); | |
169 | ||
170 | void parse_cmdlines(char *file, int size); | |
171 | void parse_proc_kallsyms(char *file, unsigned int size); | |
172 | void parse_ftrace_printk(char *file, unsigned int size); | |
173 | ||
174 | void print_funcs(void); | |
175 | void print_printk(void); | |
176 | ||
177 | int parse_ftrace_file(char *buf, unsigned long size); | |
27746018 | 178 | int parse_event_file(char *buf, unsigned long size, char *sys); |
52050943 SR |
179 | void print_event(int cpu, void *data, int size, unsigned long long nsecs, |
180 | char *comm); | |
181 | ||
182 | extern int file_bigendian; | |
183 | extern int host_bigendian; | |
184 | ||
185 | int bigendian(void); | |
186 | ||
187 | static inline unsigned short __data2host2(unsigned short data) | |
188 | { | |
189 | unsigned short swap; | |
190 | ||
191 | if (host_bigendian == file_bigendian) | |
192 | return data; | |
193 | ||
194 | swap = ((data & 0xffULL) << 8) | | |
195 | ((data & (0xffULL << 8)) >> 8); | |
196 | ||
197 | return swap; | |
198 | } | |
199 | ||
200 | static inline unsigned int __data2host4(unsigned int data) | |
201 | { | |
202 | unsigned int swap; | |
203 | ||
204 | if (host_bigendian == file_bigendian) | |
205 | return data; | |
206 | ||
207 | swap = ((data & 0xffULL) << 24) | | |
208 | ((data & (0xffULL << 8)) << 8) | | |
209 | ((data & (0xffULL << 16)) >> 8) | | |
210 | ((data & (0xffULL << 24)) >> 24); | |
211 | ||
212 | return swap; | |
213 | } | |
214 | ||
215 | static inline unsigned long long __data2host8(unsigned long long data) | |
216 | { | |
217 | unsigned long long swap; | |
218 | ||
219 | if (host_bigendian == file_bigendian) | |
220 | return data; | |
221 | ||
222 | swap = ((data & 0xffULL) << 56) | | |
223 | ((data & (0xffULL << 8)) << 40) | | |
224 | ((data & (0xffULL << 16)) << 24) | | |
225 | ((data & (0xffULL << 24)) << 8) | | |
226 | ((data & (0xffULL << 32)) >> 8) | | |
227 | ((data & (0xffULL << 40)) >> 24) | | |
228 | ((data & (0xffULL << 48)) >> 40) | | |
229 | ((data & (0xffULL << 56)) >> 56); | |
230 | ||
231 | return swap; | |
232 | } | |
233 | ||
234 | #define data2host2(ptr) __data2host2(*(unsigned short *)ptr) | |
235 | #define data2host4(ptr) __data2host4(*(unsigned int *)ptr) | |
236 | #define data2host8(ptr) __data2host8(*(unsigned long long *)ptr) | |
237 | ||
238 | extern int header_page_ts_offset; | |
239 | extern int header_page_ts_size; | |
240 | extern int header_page_size_offset; | |
241 | extern int header_page_size_size; | |
242 | extern int header_page_data_offset; | |
243 | extern int header_page_data_size; | |
244 | ||
c0555642 | 245 | extern bool latency_format; |
cda48461 | 246 | |
52050943 | 247 | int parse_header_page(char *buf, unsigned long size); |
ec156764 | 248 | int trace_parse_common_type(void *data); |
16c632de | 249 | int trace_parse_common_pid(void *data); |
d1b93772 TZ |
250 | int parse_common_pc(void *data); |
251 | int parse_common_flags(void *data); | |
252 | int parse_common_lock_depth(void *data); | |
ec156764 | 253 | struct event *trace_find_event(int id); |
16c632de TZ |
254 | struct event *trace_find_next_event(struct event *event); |
255 | unsigned long long read_size(void *ptr, int size); | |
46538818 FW |
256 | unsigned long long |
257 | raw_field_value(struct event *event, const char *name, void *data); | |
258 | void *raw_field_ptr(struct event *event, const char *name, void *data); | |
16c632de | 259 | unsigned long long eval_flag(const char *flag); |
52050943 | 260 | |
e2561368 | 261 | int read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events); |
9215545e TZ |
262 | ssize_t read_tracing_data_size(int fd, struct perf_event_attr *pattrs, |
263 | int nb_events); | |
52050943 | 264 | |
cda48461 SR |
265 | /* taken from kernel/trace/trace.h */ |
266 | enum trace_flag_type { | |
267 | TRACE_FLAG_IRQS_OFF = 0x01, | |
268 | TRACE_FLAG_IRQS_NOSUPPORT = 0x02, | |
269 | TRACE_FLAG_NEED_RESCHED = 0x04, | |
270 | TRACE_FLAG_HARDIRQ = 0x08, | |
271 | TRACE_FLAG_SOFTIRQ = 0x10, | |
272 | }; | |
273 | ||
956ffd02 TZ |
274 | struct scripting_ops { |
275 | const char *name; | |
586bc5cc | 276 | int (*start_script) (const char *script, int argc, const char **argv); |
956ffd02 TZ |
277 | int (*stop_script) (void); |
278 | void (*process_event) (int cpu, void *data, int size, | |
279 | unsigned long long nsecs, char *comm); | |
280 | int (*generate_script) (const char *outfile); | |
281 | }; | |
282 | ||
283 | int script_spec_register(const char *spec, struct scripting_ops *ops); | |
284 | ||
16c632de | 285 | void setup_perl_scripting(void); |
7e4b21b8 | 286 | void setup_python_scripting(void); |
16c632de | 287 | |
7397d80d TZ |
288 | struct scripting_context { |
289 | void *event_data; | |
290 | }; | |
291 | ||
292 | int common_pc(struct scripting_context *context); | |
293 | int common_flags(struct scripting_context *context); | |
294 | int common_lock_depth(struct scripting_context *context); | |
295 | ||
8b40f521 | 296 | #endif /* __PERF_TRACE_EVENTS_H */ |