1 #ifndef __PERF_TRACE_EVENTS_H
2 #define __PERF_TRACE_EVENTS_H
3
4 #include <stdbool.h>
5 #include "parse-events.h"
6
7 struct machine;
8 struct perf_sample;
9 union perf_event;
10 struct thread;
11
12 #define __unused __attribute__((unused))
13
14
15 #ifndef PAGE_MASK
16 #define PAGE_MASK (page_size - 1)
17 #endif
18
19 enum {
20 RINGBUF_TYPE_PADDING = 29,
21 RINGBUF_TYPE_TIME_EXTEND = 30,
22 RINGBUF_TYPE_TIME_STAMP = 31,
23 };
24
25 #ifndef TS_SHIFT
26 #define TS_SHIFT 27
27 #endif
28
29 #define NSECS_PER_SEC 1000000000ULL
30 #define NSECS_PER_USEC 1000ULL
31
32 enum format_flags {
33 FIELD_IS_ARRAY = 1,
34 FIELD_IS_POINTER = 2,
35 FIELD_IS_SIGNED = 4,
36 FIELD_IS_STRING = 8,
37 FIELD_IS_DYNAMIC = 16,
38 FIELD_IS_FLAG = 32,
39 FIELD_IS_SYMBOLIC = 64,
40 };
41
42 struct format_field {
43 struct format_field *next;
44 char *type;
45 char *name;
46 int offset;
47 int size;
48 unsigned long flags;
49 };
50
51 struct format {
52 int nr_common;
53 int nr_fields;
54 struct format_field *common_fields;
55 struct format_field *fields;
56 };
57
58 struct print_arg_atom {
59 char *atom;
60 };
61
62 struct print_arg_string {
63 char *string;
64 int offset;
65 };
66
67 struct print_arg_field {
68 char *name;
69 struct format_field *field;
70 };
71
72 struct print_flag_sym {
73 struct print_flag_sym *next;
74 char *value;
75 char *str;
76 };
77
78 struct print_arg_typecast {
79 char *type;
80 struct print_arg *item;
81 };
82
83 struct print_arg_flags {
84 struct print_arg *field;
85 char *delim;
86 struct print_flag_sym *flags;
87 };
88
89 struct print_arg_symbol {
90 struct print_arg *field;
91 struct print_flag_sym *symbols;
92 };
93
94 struct print_arg;
95
96 struct print_arg_op {
97 char *op;
98 int prio;
99 struct print_arg *left;
100 struct print_arg *right;
101 };
102
103 struct print_arg_func {
104 char *name;
105 struct print_arg *args;
106 };
107
108 enum print_arg_type {
109 PRINT_NULL,
110 PRINT_ATOM,
111 PRINT_FIELD,
112 PRINT_FLAGS,
113 PRINT_SYMBOL,
114 PRINT_TYPE,
115 PRINT_STRING,
116 PRINT_OP,
117 };
118
119 struct print_arg {
120 struct print_arg *next;
121 enum print_arg_type type;
122 union {
123 struct print_arg_atom atom;
124 struct print_arg_field field;
125 struct print_arg_typecast typecast;
126 struct print_arg_flags flags;
127 struct print_arg_symbol symbol;
128 struct print_arg_func func;
129 struct print_arg_string string;
130 struct print_arg_op op;
131 };
132 };
133
134 struct print_fmt {
135 char *format;
136 struct print_arg *args;
137 };
138
139 struct event {
140 struct event *next;
141 char *name;
142 int id;
143 int flags;
144 struct format format;
145 struct print_fmt print_fmt;
146 char *system;
147 };
148
149 enum {
150 EVENT_FL_ISFTRACE = 0x01,
151 EVENT_FL_ISPRINT = 0x02,
152 EVENT_FL_ISBPRINT = 0x04,
153 EVENT_FL_ISFUNC = 0x08,
154 EVENT_FL_ISFUNCENT = 0x10,
155 EVENT_FL_ISFUNCRET = 0x20,
156
157 EVENT_FL_FAILED = 0x80000000
158 };
159
160 struct record {
161 unsigned long long ts;
162 int size;
163 void *data;
164 };
165
166 struct record *trace_peek_data(int cpu);
167 struct record *trace_read_data(int cpu);
168
169 void parse_set_info(int nr_cpus, int long_sz);
170
171 ssize_t trace_report(int fd, bool repipe);
172
173 void *malloc_or_die(unsigned int size);
174
175 void parse_cmdlines(char *file, int size);
176 void parse_proc_kallsyms(char *file, unsigned int size);
177 void parse_ftrace_printk(char *file, unsigned int size);
178
179 void print_funcs(void);
180 void print_printk(void);
181
182 int parse_ftrace_file(char *buf, unsigned long size);
183 int parse_event_file(char *buf, unsigned long size, char *sys);
184 void print_trace_event(int cpu, void *data, int size);
185
186 extern int file_bigendian;
187 extern int host_bigendian;
188
189 int bigendian(void);
190
__data2host2(unsigned short data)191 static inline unsigned short __data2host2(unsigned short data)
192 {
193 unsigned short swap;
194
195 if (host_bigendian == file_bigendian)
196 return data;
197
198 swap = ((data & 0xffULL) << 8) |
199 ((data & (0xffULL << 8)) >> 8);
200
201 return swap;
202 }
203
__data2host4(unsigned int data)204 static inline unsigned int __data2host4(unsigned int data)
205 {
206 unsigned int swap;
207
208 if (host_bigendian == file_bigendian)
209 return data;
210
211 swap = ((data & 0xffULL) << 24) |
212 ((data & (0xffULL << 8)) << 8) |
213 ((data & (0xffULL << 16)) >> 8) |
214 ((data & (0xffULL << 24)) >> 24);
215
216 return swap;
217 }
218
__data2host8(unsigned long long data)219 static inline unsigned long long __data2host8(unsigned long long data)
220 {
221 unsigned long long swap;
222
223 if (host_bigendian == file_bigendian)
224 return data;
225
226 swap = ((data & 0xffULL) << 56) |
227 ((data & (0xffULL << 8)) << 40) |
228 ((data & (0xffULL << 16)) << 24) |
229 ((data & (0xffULL << 24)) << 8) |
230 ((data & (0xffULL << 32)) >> 8) |
231 ((data & (0xffULL << 40)) >> 24) |
232 ((data & (0xffULL << 48)) >> 40) |
233 ((data & (0xffULL << 56)) >> 56);
234
235 return swap;
236 }
237
238 #define data2host2(ptr) __data2host2(*(unsigned short *)ptr)
239 #define data2host4(ptr) __data2host4(*(unsigned int *)ptr)
240 #define data2host8(ptr) ({ \
241 unsigned long long __val; \
242 \
243 memcpy(&__val, (ptr), sizeof(unsigned long long)); \
244 __data2host8(__val); \
245 })
246
247 extern int header_page_ts_offset;
248 extern int header_page_ts_size;
249 extern int header_page_size_offset;
250 extern int header_page_size_size;
251 extern int header_page_data_offset;
252 extern int header_page_data_size;
253
254 extern bool latency_format;
255
256 int trace_parse_common_type(void *data);
257 int trace_parse_common_pid(void *data);
258 int parse_common_pc(void *data);
259 int parse_common_flags(void *data);
260 int parse_common_lock_depth(void *data);
261 struct event *trace_find_event(int id);
262 struct event *trace_find_next_event(struct event *event);
263 unsigned long long read_size(void *ptr, int size);
264 unsigned long long
265 raw_field_value(struct event *event, const char *name, void *data);
266 void *raw_field_ptr(struct event *event, const char *name, void *data);
267 unsigned long long eval_flag(const char *flag);
268
269 int read_tracing_data(int fd, struct list_head *pattrs);
270
271 struct tracing_data {
272 /* size is only valid if temp is 'true' */
273 ssize_t size;
274 bool temp;
275 char temp_file[50];
276 };
277
278 struct tracing_data *tracing_data_get(struct list_head *pattrs,
279 int fd, bool temp);
280 void tracing_data_put(struct tracing_data *tdata);
281
282
283 /* taken from kernel/trace/trace.h */
284 enum trace_flag_type {
285 TRACE_FLAG_IRQS_OFF = 0x01,
286 TRACE_FLAG_IRQS_NOSUPPORT = 0x02,
287 TRACE_FLAG_NEED_RESCHED = 0x04,
288 TRACE_FLAG_HARDIRQ = 0x08,
289 TRACE_FLAG_SOFTIRQ = 0x10,
290 };
291
292 struct scripting_ops {
293 const char *name;
294 int (*start_script) (const char *script, int argc, const char **argv);
295 int (*stop_script) (void);
296 void (*process_event) (union perf_event *event,
297 struct perf_sample *sample,
298 struct perf_evsel *evsel,
299 struct machine *machine,
300 struct thread *thread);
301 int (*generate_script) (const char *outfile);
302 };
303
304 int script_spec_register(const char *spec, struct scripting_ops *ops);
305
306 void setup_perl_scripting(void);
307 void setup_python_scripting(void);
308
309 struct scripting_context {
310 void *event_data;
311 };
312
313 int common_pc(struct scripting_context *context);
314 int common_flags(struct scripting_context *context);
315 int common_lock_depth(struct scripting_context *context);
316
317 #endif /* __PERF_TRACE_EVENTS_H */
318