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