| 1 | #include <stdio.h> |
| 2 | #include <asm/types.h> |
| 3 | #include <linux/byteorder/swab.h> |
| 4 | #include <ltt/LTTTypes.h> |
| 5 | #include "parser.h" |
| 6 | #include <ltt/event.h> |
| 7 | |
| 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 | |
| 77 | /***************************************************************************** |
| 78 | *Function name |
| 79 | * ltt_event_eventtype_id: get event type id |
| 80 | * (base id + position of the event) |
| 81 | *Input params |
| 82 | * e : an instance of an event type |
| 83 | *Return value |
| 84 | * unsigned : event type id |
| 85 | ****************************************************************************/ |
| 86 | |
| 87 | unsigned ltt_event_eventtype_id(LttEvent *e) |
| 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 |
| 98 | * LttFacility * : the facility of the event |
| 99 | ****************************************************************************/ |
| 100 | |
| 101 | LttFacility *ltt_event_facility(LttEvent *e) |
| 102 | { |
| 103 | LttTrace * trace = e->tracefile->trace; |
| 104 | unsigned id = e->event_id; |
| 105 | return ltt_trace_facility_by_id(trace,id); |
| 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 |
| 114 | * LttEventType * : the event type of the event |
| 115 | ****************************************************************************/ |
| 116 | |
| 117 | LttEventType *ltt_event_eventtype(LttEvent *e) |
| 118 | { |
| 119 | LttFacility* facility = ltt_event_facility(e); |
| 120 | if(!facility) return NULL; |
| 121 | return facility->events[e->event_id - facility->base_id]; |
| 122 | } |
| 123 | |
| 124 | /***************************************************************************** |
| 125 | *Function name |
| 126 | * ltt_event_field : get the root field of the event |
| 127 | *Input params |
| 128 | * e : an instance of an event type |
| 129 | *Return value |
| 130 | * LttField * : the root field of the event |
| 131 | ****************************************************************************/ |
| 132 | |
| 133 | LttField *ltt_event_field(LttEvent *e) |
| 134 | { |
| 135 | LttField * field; |
| 136 | LttEventType * event_type = ltt_event_eventtype(e); |
| 137 | if(!event_type) return NULL; |
| 138 | field = event_type->root_field; |
| 139 | if(!field) return NULL; |
| 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; |
| 154 | } |
| 155 | |
| 156 | /***************************************************************************** |
| 157 | *Function name |
| 158 | * ltt_event_time : get the time of the event |
| 159 | *Input params |
| 160 | * e : an instance of an event type |
| 161 | *Return value |
| 162 | * LttTime : the time of the event |
| 163 | ****************************************************************************/ |
| 164 | |
| 165 | LttTime ltt_event_time(LttEvent *e) |
| 166 | { |
| 167 | return e->event_time; |
| 168 | } |
| 169 | |
| 170 | /***************************************************************************** |
| 171 | *Function name |
| 172 | * ltt_event_time : get the cycle count of the event |
| 173 | *Input params |
| 174 | * e : an instance of an event type |
| 175 | *Return value |
| 176 | * LttCycleCount : the cycle count of the event |
| 177 | ****************************************************************************/ |
| 178 | |
| 179 | LttCycleCount ltt_event_cycle_count(LttEvent *e) |
| 180 | { |
| 181 | return e->event_cycle_count; |
| 182 | } |
| 183 | |
| 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 = FALSE; |
| 200 | ep->event_offset = e->data - e->tracefile->buffer - EVENT_HEADER_SIZE ; |
| 201 | ep->tf = e->tracefile; |
| 202 | } |
| 203 | |
| 204 | /***************************************************************************** |
| 205 | *Function name |
| 206 | * ltt_event_position_get : get the block number and index of the event |
| 207 | *Input params |
| 208 | * ep : a pointer to event's position structure |
| 209 | * block_number : the block number of the event |
| 210 | * index_in_block : the index of the event within the block |
| 211 | ****************************************************************************/ |
| 212 | |
| 213 | void ltt_event_position_get(LttEventPosition *ep, |
| 214 | unsigned *block_number, unsigned *index_in_block, LttTracefile ** tf) |
| 215 | { |
| 216 | *block_number = ep->block_num; |
| 217 | *index_in_block = ep->event_num; |
| 218 | *tf = ep->tf; |
| 219 | } |
| 220 | |
| 221 | /***************************************************************************** |
| 222 | *Function name |
| 223 | * ltt_event_position_set : set the block number and index of the event |
| 224 | *Input params |
| 225 | * ep : a pointer to event's position structure |
| 226 | * block_number : the block number of the event |
| 227 | * index_in_block : the index of the event within the block |
| 228 | ****************************************************************************/ |
| 229 | |
| 230 | void ltt_event_position_set(LttEventPosition *ep, |
| 231 | unsigned block_number, unsigned index_in_block) |
| 232 | { |
| 233 | ep->block_num = block_number; |
| 234 | ep->event_num = index_in_block; |
| 235 | } |
| 236 | |
| 237 | /***************************************************************************** |
| 238 | *Function name |
| 239 | * ltt_event_cpu_i: get the cpu id where the event happens |
| 240 | *Input params |
| 241 | * e : an instance of an event type |
| 242 | *Return value |
| 243 | * unsigned : the cpu id |
| 244 | ****************************************************************************/ |
| 245 | |
| 246 | unsigned ltt_event_cpu_id(LttEvent *e) |
| 247 | { |
| 248 | return (unsigned)atoi(e->tracefile->name); |
| 249 | } |
| 250 | |
| 251 | /***************************************************************************** |
| 252 | *Function name |
| 253 | * ltt_event_data : get the raw data for the event |
| 254 | *Input params |
| 255 | * e : an instance of an event type |
| 256 | *Return value |
| 257 | * void * : pointer to the raw data for the event |
| 258 | ****************************************************************************/ |
| 259 | |
| 260 | void *ltt_event_data(LttEvent *e) |
| 261 | { |
| 262 | return e->data; |
| 263 | } |
| 264 | |
| 265 | /***************************************************************************** |
| 266 | *Function name |
| 267 | * ltt_event_field_element_number |
| 268 | * : The number of elements in a sequence field is specific |
| 269 | * to each event. This function returns the number of |
| 270 | * elements for an array or sequence field in an event. |
| 271 | *Input params |
| 272 | * e : an instance of an event type |
| 273 | * f : a field of the instance |
| 274 | *Return value |
| 275 | * unsigned : the number of elements for an array/sequence field |
| 276 | ****************************************************************************/ |
| 277 | |
| 278 | unsigned ltt_event_field_element_number(LttEvent *e, LttField *f) |
| 279 | { |
| 280 | if(f->field_type->type_class != LTT_ARRAY && |
| 281 | f->field_type->type_class != LTT_SEQUENCE) |
| 282 | return 0; |
| 283 | |
| 284 | if(f->field_type->type_class == LTT_ARRAY) |
| 285 | return f->field_type->element_number; |
| 286 | return (unsigned) getIntNumber(f->sequ_number_size, e + f->offset_root); |
| 287 | } |
| 288 | |
| 289 | /***************************************************************************** |
| 290 | *Function name |
| 291 | * ltt_event_field_element_select |
| 292 | * : Set the currently selected element for a sequence or |
| 293 | * array field |
| 294 | *Input params |
| 295 | * e : an instance of an event type |
| 296 | * f : a field of the instance |
| 297 | * i : the ith element |
| 298 | ****************************************************************************/ |
| 299 | |
| 300 | void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i) |
| 301 | { |
| 302 | unsigned element_number; |
| 303 | LttField *fld; |
| 304 | int k, size; |
| 305 | void *evD; |
| 306 | |
| 307 | if(f->field_type->type_class != LTT_ARRAY && |
| 308 | f->field_type->type_class != LTT_SEQUENCE) |
| 309 | return ; |
| 310 | |
| 311 | element_number = ltt_event_field_element_number(e,f); |
| 312 | if((element_number-1) < i || i < 0) return; |
| 313 | |
| 314 | fld = f->child[0]; |
| 315 | |
| 316 | evD = e->data + f->offset_root; |
| 317 | size = 0; |
| 318 | for(k=0;k<i;k++){ |
| 319 | size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size); |
| 320 | } |
| 321 | |
| 322 | f->current_element = i - 1; |
| 323 | } |
| 324 | |
| 325 | /***************************************************************************** |
| 326 | * These functions extract data from an event after architecture specific |
| 327 | * conversions |
| 328 | ****************************************************************************/ |
| 329 | |
| 330 | unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f) |
| 331 | { |
| 332 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 333 | e->tracefile->trace->system_description->endian ? 0:1; |
| 334 | LttTypeEnum t = f->field_type->type_class; |
| 335 | |
| 336 | if(t != LTT_UINT && t != LTT_ENUM) |
| 337 | g_error("The type of the field is not unsigned int\n"); |
| 338 | |
| 339 | if(f->field_size == 1){ |
| 340 | uint8_t x = *(uint8_t*)(e->data + f->offset_root); |
| 341 | return (unsigned int) x; |
| 342 | }else if(f->field_size == 2){ |
| 343 | uint16_t x = *(uint16_t*)(e->data + f->offset_root); |
| 344 | return (unsigned int) (revFlag ? BREV16(x): x); |
| 345 | }else if(f->field_size == 4){ |
| 346 | uint32_t x = *(uint32_t*)(e->data + f->offset_root); |
| 347 | return (unsigned int) (revFlag ? BREV32(x): x); |
| 348 | }else if(f->field_size == 8){ |
| 349 | uint64_t x = *(uint64_t*)(e->data + f->offset_root); |
| 350 | return (unsigned int) (revFlag ? BREV64(x): x); |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | int ltt_event_get_int(LttEvent *e, LttField *f) |
| 355 | { |
| 356 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 357 | e->tracefile->trace->system_description->endian ? 0:1; |
| 358 | |
| 359 | if(f->field_type->type_class != LTT_INT) |
| 360 | g_error("The type of the field is not int\n"); |
| 361 | |
| 362 | if(f->field_size == 1){ |
| 363 | int8_t x = *(int8_t*)(e->data + f->offset_root); |
| 364 | return (int) x; |
| 365 | }else if(f->field_size == 2){ |
| 366 | int16_t x = *(int16_t*)(e->data + f->offset_root); |
| 367 | return (int) (revFlag ? BREV16(x): x); |
| 368 | }else if(f->field_size == 4){ |
| 369 | int32_t x = *(int32_t*)(e->data + f->offset_root); |
| 370 | return (int) (revFlag ? BREV32(x): x); |
| 371 | }else if(f->field_size == 8){ |
| 372 | int64_t x = *(int64_t*)(e->data + f->offset_root); |
| 373 | return (int) (revFlag ? BREV64(x): x); |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | unsigned long ltt_event_get_long_unsigned(LttEvent *e, LttField *f) |
| 378 | { |
| 379 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 380 | e->tracefile->trace->system_description->endian ? 0:1; |
| 381 | LttTypeEnum t = f->field_type->type_class; |
| 382 | |
| 383 | if(t != LTT_UINT && t != LTT_ENUM) |
| 384 | g_error("The type of the field is not unsigned long\n"); |
| 385 | |
| 386 | if(f->field_size == 1){ |
| 387 | uint8_t x = *(uint8_t*)(e->data + f->offset_root); |
| 388 | return (unsigned long) x; |
| 389 | }else if(f->field_size == 2){ |
| 390 | uint16_t x = *(uint16_t*)(e->data + f->offset_root); |
| 391 | return (unsigned long) (revFlag ? BREV16(x): x); |
| 392 | }else if(f->field_size == 4){ |
| 393 | uint32_t x = *(uint32_t*)(e->data + f->offset_root); |
| 394 | return (unsigned long) (revFlag ? BREV32(x): x); |
| 395 | }else if(f->field_size == 8){ |
| 396 | uint64_t x = *(uint64_t*)(e->data + f->offset_root); |
| 397 | return (unsigned long) (revFlag ? BREV64(x): x); |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | long int ltt_event_get_long_int(LttEvent *e, LttField *f) |
| 402 | { |
| 403 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 404 | e->tracefile->trace->system_description->endian ? 0:1; |
| 405 | |
| 406 | if( f->field_type->type_class != LTT_INT) |
| 407 | g_error("The type of the field is not long int\n"); |
| 408 | |
| 409 | if(f->field_size == 1){ |
| 410 | int8_t x = *(int8_t*)(e->data + f->offset_root); |
| 411 | return (long) x; |
| 412 | }else if(f->field_size == 2){ |
| 413 | int16_t x = *(int16_t*)(e->data + f->offset_root); |
| 414 | return (long) (revFlag ? BREV16(x): x); |
| 415 | }else if(f->field_size == 4){ |
| 416 | int32_t x = *(int32_t*)(e->data + f->offset_root); |
| 417 | return (long) (revFlag ? BREV32(x): x); |
| 418 | }else if(f->field_size == 8){ |
| 419 | int64_t x = *(int64_t*)(e->data + f->offset_root); |
| 420 | return (long) (revFlag ? BREV64(x): x); |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | float ltt_event_get_float(LttEvent *e, LttField *f) |
| 425 | { |
| 426 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 427 | e->tracefile->trace->system_description->endian ? 0:1; |
| 428 | |
| 429 | if(f->field_type->type_class != LTT_FLOAT || |
| 430 | (f->field_type->type_class == LTT_FLOAT && f->field_size != 4)) |
| 431 | g_error("The type of the field is not float\n"); |
| 432 | |
| 433 | if(revFlag == 0) return *(float *)(e->data + f->offset_root); |
| 434 | else{ |
| 435 | uint32_t aInt; |
| 436 | memcpy((void*)&aInt, e->data + f->offset_root, 4); |
| 437 | aInt = ___swab32(aInt); |
| 438 | return *((float*)&aInt); |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | double ltt_event_get_double(LttEvent *e, LttField *f) |
| 443 | { |
| 444 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 445 | e->tracefile->trace->system_description->endian ? 0:1; |
| 446 | |
| 447 | if(f->field_type->type_class != LTT_FLOAT || |
| 448 | (f->field_type->type_class == LTT_FLOAT && f->field_size != 8)) |
| 449 | g_error("The type of the field is not double\n"); |
| 450 | |
| 451 | if(revFlag == 0) return *(double *)(e->data + f->offset_root); |
| 452 | else{ |
| 453 | uint64_t aInt; |
| 454 | memcpy((void*)&aInt, e->data + f->offset_root, 8); |
| 455 | aInt = ___swab64(aInt); |
| 456 | return *((double *)&aInt); |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | /***************************************************************************** |
| 461 | * The string obtained is only valid until the next read from |
| 462 | * the same tracefile. |
| 463 | ****************************************************************************/ |
| 464 | |
| 465 | char *ltt_event_get_string(LttEvent *e, LttField *f) |
| 466 | { |
| 467 | if(f->field_type->type_class != LTT_STRING) |
| 468 | g_error("The field contains no string\n"); |
| 469 | return (char*)g_strdup((char*)(e->data + f->offset_root)); |
| 470 | } |