6cd62ccf |
1 | #include <stdio.h> |
2 | #include <asm/types.h> |
3 | #include <linux/byteorder/swab.h> |
fcdf0ec2 |
4 | #include <ltt/LTTTypes.h> |
6cd62ccf |
5 | #include "parser.h" |
6 | #include <ltt/event.h> |
7 | |
908f42fa |
8 | /***************************************************************************** |
9 | *Function name |
10 | * ltt_event_refresh_fields : refresh fields of an event |
11 | *Input params |
12 | * offsetRoot : offset from the root |
13 | * offsetParent : offset from the parrent |
14 | * fld : field |
15 | * evD : event data |
16 | *Return value |
17 | * int : size of the field |
18 | ****************************************************************************/ |
19 | |
20 | int ltt_event_refresh_fields(int offsetRoot,int offsetParent, |
21 | LttField * fld, void *evD) |
22 | { |
23 | int size, size1, element_number, i, offset1, offset2; |
24 | LttType * type = fld->field_type; |
25 | |
26 | if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY && |
27 | type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){ |
28 | size = fld->field_size; |
29 | }else if(type->type_class == LTT_ARRAY){ |
30 | element_number = (int) type->element_number; |
31 | if(fld->field_fixed == 0){// has string or sequence |
32 | size = 0; |
33 | for(i=0;i<element_number;i++){ |
34 | size += ltt_event_refresh_fields(offsetRoot+size,size, |
35 | fld->child[0], evD+size); |
36 | } |
37 | }else size = fld->field_size; |
38 | }else if(type->type_class == LTT_SEQUENCE){ |
39 | size1 = fld->sequ_number_size; |
40 | element_number = getIntNumber(size1,evD); |
41 | type->element_number = element_number; |
42 | if(fld->element_size > 0){ |
43 | size = element_number * fld->element_size; |
44 | }else{//sequence has string or sequence |
45 | size = 0; |
46 | for(i=0;i<element_number;i++){ |
47 | size += ltt_event_refresh_fields(offsetRoot+size+size1,size+size1, |
48 | fld->child[0], evD+size+size1); |
49 | } |
50 | size += size1; |
51 | } |
52 | }else if(type->type_class == LTT_STRING){ |
53 | size = strlen((char*)evD) + 1; //include end : '\0' |
54 | }else if(type->type_class == LTT_STRUCT){ |
55 | element_number = (int) type->element_number; |
56 | if(fld->field_fixed == 0){ |
57 | offset1 = offsetRoot; |
58 | offset2 = 0; |
59 | for(i=0;i<element_number;i++){ |
60 | size=ltt_event_refresh_fields(offset1,offset2,fld->child[i],evD+offset2); |
61 | offset1 += size; |
62 | offset2 += size; |
63 | } |
64 | size = offset2; |
65 | }else size = fld->field_size; |
66 | } |
67 | |
68 | fld->offset_root = offsetRoot; |
69 | fld->offset_parent = offsetParent; |
70 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
71 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
72 | fld->field_size = size; |
73 | |
74 | return size; |
75 | } |
76 | |
6cd62ccf |
77 | /***************************************************************************** |
78 | *Function name |
963b5f2d |
79 | * ltt_event_eventtype_id: get event type id |
80 | * (base id + position of the event) |
6cd62ccf |
81 | *Input params |
963b5f2d |
82 | * e : an instance of an event type |
6cd62ccf |
83 | *Return value |
963b5f2d |
84 | * unsigned : event type id |
6cd62ccf |
85 | ****************************************************************************/ |
86 | |
963b5f2d |
87 | unsigned ltt_event_eventtype_id(LttEvent *e) |
6cd62ccf |
88 | { |
89 | return (unsigned) e->event_id; |
90 | } |
91 | |
92 | /***************************************************************************** |
93 | *Function name |
94 | * ltt_event_facility : get the facility of the event |
95 | *Input params |
96 | * e : an instance of an event type |
97 | *Return value |
963b5f2d |
98 | * LttFacility * : the facility of the event |
6cd62ccf |
99 | ****************************************************************************/ |
100 | |
963b5f2d |
101 | LttFacility *ltt_event_facility(LttEvent *e) |
6cd62ccf |
102 | { |
963b5f2d |
103 | LttTrace * trace = e->tracefile->trace; |
104 | unsigned id = e->event_id; |
105 | return ltt_trace_facility_by_id(trace,id); |
6cd62ccf |
106 | } |
107 | |
108 | /***************************************************************************** |
109 | *Function name |
110 | * ltt_event_eventtype : get the event type of the event |
111 | *Input params |
112 | * e : an instance of an event type |
113 | *Return value |
963b5f2d |
114 | * LttEventType * : the event type of the event |
6cd62ccf |
115 | ****************************************************************************/ |
116 | |
963b5f2d |
117 | LttEventType *ltt_event_eventtype(LttEvent *e) |
6cd62ccf |
118 | { |
963b5f2d |
119 | LttFacility* facility = ltt_event_facility(e); |
120 | if(!facility) return NULL; |
121 | return facility->events[e->event_id - facility->base_id]; |
6cd62ccf |
122 | } |
123 | |
124 | /***************************************************************************** |
125 | *Function name |
963b5f2d |
126 | * ltt_event_field : get the root field of the event |
6cd62ccf |
127 | *Input params |
963b5f2d |
128 | * e : an instance of an event type |
6cd62ccf |
129 | *Return value |
963b5f2d |
130 | * LttField * : the root field of the event |
6cd62ccf |
131 | ****************************************************************************/ |
132 | |
963b5f2d |
133 | LttField *ltt_event_field(LttEvent *e) |
6cd62ccf |
134 | { |
908f42fa |
135 | LttField * field; |
963b5f2d |
136 | LttEventType * event_type = ltt_event_eventtype(e); |
137 | if(!event_type) return NULL; |
908f42fa |
138 | field = event_type->root_field; |
a2331fa0 |
139 | if(!field) return NULL; |
908f42fa |
140 | |
141 | //check if the field need refresh |
142 | if(e->which_block != event_type->latest_block || |
143 | e->which_event != event_type->latest_event){ |
144 | |
145 | event_type->latest_block = e->which_block; |
146 | event_type->latest_event = e->which_event; |
147 | |
148 | if(field->field_fixed == 1)return field; |
149 | |
150 | //refresh the field |
151 | ltt_event_refresh_fields(0, 0, field, e->data); |
152 | } |
153 | return field; |
6cd62ccf |
154 | } |
155 | |
156 | /***************************************************************************** |
157 | *Function name |
963b5f2d |
158 | * ltt_event_time : get the time of the event |
6cd62ccf |
159 | *Input params |
160 | * e : an instance of an event type |
161 | *Return value |
963b5f2d |
162 | * LttTime : the time of the event |
6cd62ccf |
163 | ****************************************************************************/ |
164 | |
963b5f2d |
165 | LttTime ltt_event_time(LttEvent *e) |
6cd62ccf |
166 | { |
963b5f2d |
167 | return e->event_time; |
6cd62ccf |
168 | } |
169 | |
170 | /***************************************************************************** |
171 | *Function name |
963b5f2d |
172 | * ltt_event_time : get the cycle count of the event |
6cd62ccf |
173 | *Input params |
174 | * e : an instance of an event type |
175 | *Return value |
963b5f2d |
176 | * LttCycleCount : the cycle count of the event |
6cd62ccf |
177 | ****************************************************************************/ |
178 | |
963b5f2d |
179 | LttCycleCount ltt_event_cycle_count(LttEvent *e) |
6cd62ccf |
180 | { |
963b5f2d |
181 | return e->event_cycle_count; |
6cd62ccf |
182 | } |
183 | |
80da81ad |
184 | /***************************************************************************** |
185 | *Function name |
186 | * ltt_event_position : get the event's position |
187 | *Input params |
188 | * e : an instance of an event type |
189 | * ep : a pointer to event's position structure |
190 | ****************************************************************************/ |
191 | |
192 | void ltt_event_position(LttEvent *e, LttEventPosition *ep) |
193 | { |
194 | ep->block_num = e->which_block; |
195 | ep->event_num = e->which_event; |
196 | ep->event_time = e->event_time; |
197 | ep->event_cycle_count = e->event_cycle_count; |
198 | ep->heart_beat_number = e->tracefile->cur_heart_beat_number; |
199 | ep->old_position = TRUE; |
200 | ep->event_offset = e->data - e->tracefile->buffer - EVENT_HEADER_SIZE ; |
201 | } |
202 | |
203 | /***************************************************************************** |
204 | *Function name |
205 | * ltt_event_position_get : get the block number and index of the event |
206 | *Input params |
207 | * ep : a pointer to event's position structure |
208 | * block_number : the block number of the event |
209 | * index_in_block : the index of the event within the block |
210 | ****************************************************************************/ |
211 | |
212 | void ltt_event_position_get(LttEventPosition *ep, |
213 | unsigned *block_number, unsigned *index_in_block) |
214 | { |
215 | *block_number = ep->block_num; |
216 | *index_in_block = ep->event_num; |
217 | } |
218 | |
219 | /***************************************************************************** |
220 | *Function name |
221 | * ltt_event_position_set : set the block number and index of the event |
222 | *Input params |
223 | * ep : a pointer to event's position structure |
224 | * block_number : the block number of the event |
225 | * index_in_block : the index of the event within the block |
226 | ****************************************************************************/ |
227 | |
228 | void ltt_event_position_set(LttEventPosition *ep, |
229 | unsigned block_number, unsigned index_in_block) |
230 | { |
231 | ep->block_num = block_number; |
232 | ep->event_num = index_in_block; |
233 | } |
234 | |
6cd62ccf |
235 | /***************************************************************************** |
236 | *Function name |
963b5f2d |
237 | * ltt_event_cpu_i: get the cpu id where the event happens |
6cd62ccf |
238 | *Input params |
239 | * e : an instance of an event type |
240 | *Return value |
963b5f2d |
241 | * unsigned : the cpu id |
6cd62ccf |
242 | ****************************************************************************/ |
243 | |
963b5f2d |
244 | unsigned ltt_event_cpu_id(LttEvent *e) |
245 | { |
246 | return (unsigned)atoi(e->tracefile->name); |
6cd62ccf |
247 | } |
248 | |
249 | /***************************************************************************** |
250 | *Function name |
251 | * ltt_event_data : get the raw data for the event |
252 | *Input params |
253 | * e : an instance of an event type |
254 | *Return value |
255 | * void * : pointer to the raw data for the event |
256 | ****************************************************************************/ |
257 | |
963b5f2d |
258 | void *ltt_event_data(LttEvent *e) |
6cd62ccf |
259 | { |
260 | return e->data; |
261 | } |
262 | |
263 | /***************************************************************************** |
264 | *Function name |
265 | * ltt_event_field_element_number |
266 | * : The number of elements in a sequence field is specific |
267 | * to each event. This function returns the number of |
268 | * elements for an array or sequence field in an event. |
269 | *Input params |
908f42fa |
270 | * e : an instance of an event type |
6cd62ccf |
271 | * f : a field of the instance |
272 | *Return value |
273 | * unsigned : the number of elements for an array/sequence field |
274 | ****************************************************************************/ |
275 | |
963b5f2d |
276 | unsigned ltt_event_field_element_number(LttEvent *e, LttField *f) |
6cd62ccf |
277 | { |
278 | if(f->field_type->type_class != LTT_ARRAY && |
279 | f->field_type->type_class != LTT_SEQUENCE) |
280 | return 0; |
908f42fa |
281 | |
282 | if(f->field_type->type_class == LTT_ARRAY) |
283 | return f->field_type->element_number; |
284 | return (unsigned) getIntNumber(f->sequ_number_size, e + f->offset_root); |
6cd62ccf |
285 | } |
286 | |
287 | /***************************************************************************** |
288 | *Function name |
289 | * ltt_event_field_element_select |
290 | * : Set the currently selected element for a sequence or |
291 | * array field |
292 | *Input params |
908f42fa |
293 | * e : an instance of an event type |
6cd62ccf |
294 | * f : a field of the instance |
295 | * i : the ith element |
6cd62ccf |
296 | ****************************************************************************/ |
297 | |
963b5f2d |
298 | void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i) |
6cd62ccf |
299 | { |
908f42fa |
300 | unsigned element_number; |
301 | LttField *fld; |
302 | int k, size; |
303 | void *evD; |
304 | |
305 | if(f->field_type->type_class != LTT_ARRAY && |
6cd62ccf |
306 | f->field_type->type_class != LTT_SEQUENCE) |
908f42fa |
307 | return ; |
308 | |
309 | element_number = ltt_event_field_element_number(e,f); |
89d4760c |
310 | if((element_number-1) < i || i < 0) return; |
908f42fa |
311 | |
312 | fld = f->child[0]; |
313 | |
314 | evD = e->data + f->offset_root; |
315 | size = 0; |
316 | for(k=0;k<i;k++){ |
317 | size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size); |
318 | } |
6cd62ccf |
319 | |
908f42fa |
320 | f->current_element = i - 1; |
6cd62ccf |
321 | } |
322 | |
323 | /***************************************************************************** |
324 | * These functions extract data from an event after architecture specific |
325 | * conversions |
326 | ****************************************************************************/ |
327 | |
963b5f2d |
328 | unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f) |
6cd62ccf |
329 | { |
963b5f2d |
330 | int revFlag = e->tracefile->trace->my_arch_endian == |
331 | e->tracefile->trace->system_description->endian ? 0:1; |
332 | LttTypeEnum t = f->field_type->type_class; |
6cd62ccf |
333 | |
c687f6c8 |
334 | if(t != LTT_UINT && t != LTT_ENUM) |
6cd62ccf |
335 | g_error("The type of the field is not unsigned int\n"); |
336 | |
b7b36242 |
337 | if(f->field_size == 1){ |
338 | uint8_t x = *(uint8_t*)(e->data + f->offset_root); |
339 | return (unsigned int) x; |
340 | }else if(f->field_size == 2){ |
341 | uint16_t x = *(uint16_t*)(e->data + f->offset_root); |
342 | return (unsigned int) (revFlag ? BREV16(x): x); |
343 | }else if(f->field_size == 4){ |
344 | uint32_t x = *(uint32_t*)(e->data + f->offset_root); |
345 | return (unsigned int) (revFlag ? BREV32(x): x); |
346 | }else if(f->field_size == 8){ |
347 | uint64_t x = *(uint64_t*)(e->data + f->offset_root); |
348 | return (unsigned int) (revFlag ? BREV64(x): x); |
6cd62ccf |
349 | } |
350 | } |
351 | |
963b5f2d |
352 | int ltt_event_get_int(LttEvent *e, LttField *f) |
6cd62ccf |
353 | { |
963b5f2d |
354 | int revFlag = e->tracefile->trace->my_arch_endian == |
355 | e->tracefile->trace->system_description->endian ? 0:1; |
6cd62ccf |
356 | |
357 | if(f->field_type->type_class != LTT_INT) |
358 | g_error("The type of the field is not int\n"); |
359 | |
b7b36242 |
360 | if(f->field_size == 1){ |
361 | int8_t x = *(int8_t*)(e->data + f->offset_root); |
362 | return (int) x; |
363 | }else if(f->field_size == 2){ |
364 | int16_t x = *(int16_t*)(e->data + f->offset_root); |
365 | return (int) (revFlag ? BREV16(x): x); |
366 | }else if(f->field_size == 4){ |
367 | int32_t x = *(int32_t*)(e->data + f->offset_root); |
368 | return (int) (revFlag ? BREV32(x): x); |
369 | }else if(f->field_size == 8){ |
370 | int64_t x = *(int64_t*)(e->data + f->offset_root); |
371 | return (int) (revFlag ? BREV64(x): x); |
6cd62ccf |
372 | } |
373 | } |
374 | |
963b5f2d |
375 | unsigned long ltt_event_get_long_unsigned(LttEvent *e, LttField *f) |
6cd62ccf |
376 | { |
963b5f2d |
377 | int revFlag = e->tracefile->trace->my_arch_endian == |
378 | e->tracefile->trace->system_description->endian ? 0:1; |
379 | LttTypeEnum t = f->field_type->type_class; |
6cd62ccf |
380 | |
c687f6c8 |
381 | if(t != LTT_UINT && t != LTT_ENUM) |
6cd62ccf |
382 | g_error("The type of the field is not unsigned long\n"); |
383 | |
b7b36242 |
384 | if(f->field_size == 1){ |
385 | uint8_t x = *(uint8_t*)(e->data + f->offset_root); |
386 | return (unsigned long) x; |
387 | }else if(f->field_size == 2){ |
388 | uint16_t x = *(uint16_t*)(e->data + f->offset_root); |
389 | return (unsigned long) (revFlag ? BREV16(x): x); |
390 | }else if(f->field_size == 4){ |
391 | uint32_t x = *(uint32_t*)(e->data + f->offset_root); |
392 | return (unsigned long) (revFlag ? BREV32(x): x); |
393 | }else if(f->field_size == 8){ |
394 | uint64_t x = *(uint64_t*)(e->data + f->offset_root); |
395 | return (unsigned long) (revFlag ? BREV64(x): x); |
6cd62ccf |
396 | } |
397 | } |
398 | |
963b5f2d |
399 | long int ltt_event_get_long_int(LttEvent *e, LttField *f) |
6cd62ccf |
400 | { |
963b5f2d |
401 | int revFlag = e->tracefile->trace->my_arch_endian == |
402 | e->tracefile->trace->system_description->endian ? 0:1; |
6cd62ccf |
403 | |
404 | if( f->field_type->type_class != LTT_INT) |
405 | g_error("The type of the field is not long int\n"); |
406 | |
b7b36242 |
407 | if(f->field_size == 1){ |
408 | int8_t x = *(int8_t*)(e->data + f->offset_root); |
409 | return (long) x; |
410 | }else if(f->field_size == 2){ |
411 | int16_t x = *(int16_t*)(e->data + f->offset_root); |
412 | return (long) (revFlag ? BREV16(x): x); |
413 | }else if(f->field_size == 4){ |
414 | int32_t x = *(int32_t*)(e->data + f->offset_root); |
415 | return (long) (revFlag ? BREV32(x): x); |
416 | }else if(f->field_size == 8){ |
417 | int64_t x = *(int64_t*)(e->data + f->offset_root); |
418 | return (long) (revFlag ? BREV64(x): x); |
6cd62ccf |
419 | } |
420 | } |
421 | |
963b5f2d |
422 | float ltt_event_get_float(LttEvent *e, LttField *f) |
6cd62ccf |
423 | { |
963b5f2d |
424 | int revFlag = e->tracefile->trace->my_arch_endian == |
425 | e->tracefile->trace->system_description->endian ? 0:1; |
6cd62ccf |
426 | |
427 | if(f->field_type->type_class != LTT_FLOAT || |
428 | (f->field_type->type_class == LTT_FLOAT && f->field_size != 4)) |
429 | g_error("The type of the field is not float\n"); |
430 | |
431 | if(revFlag == 0) return *(float *)(e->data + f->offset_root); |
432 | else{ |
433 | uint32_t aInt; |
434 | memcpy((void*)&aInt, e->data + f->offset_root, 4); |
435 | aInt = ___swab32(aInt); |
436 | return *((float*)&aInt); |
437 | } |
438 | } |
439 | |
963b5f2d |
440 | double ltt_event_get_double(LttEvent *e, LttField *f) |
6cd62ccf |
441 | { |
963b5f2d |
442 | int revFlag = e->tracefile->trace->my_arch_endian == |
443 | e->tracefile->trace->system_description->endian ? 0:1; |
6cd62ccf |
444 | |
445 | if(f->field_type->type_class != LTT_FLOAT || |
446 | (f->field_type->type_class == LTT_FLOAT && f->field_size != 8)) |
447 | g_error("The type of the field is not double\n"); |
448 | |
449 | if(revFlag == 0) return *(double *)(e->data + f->offset_root); |
450 | else{ |
451 | uint64_t aInt; |
452 | memcpy((void*)&aInt, e->data + f->offset_root, 8); |
453 | aInt = ___swab64(aInt); |
454 | return *((double *)&aInt); |
455 | } |
456 | } |
457 | |
458 | /***************************************************************************** |
459 | * The string obtained is only valid until the next read from |
908f42fa |
460 | * the same tracefile. |
6cd62ccf |
461 | ****************************************************************************/ |
462 | |
963b5f2d |
463 | char *ltt_event_get_string(LttEvent *e, LttField *f) |
6cd62ccf |
464 | { |
465 | if(f->field_type->type_class != LTT_STRING) |
466 | g_error("The field contains no string\n"); |
467 | return (char*)g_strdup((char*)(e->data + f->offset_root)); |
468 | } |