ltt/branches/poly/ltt/tracefile.c

   1 #include <stdio.h>
   2 #include <fcntl.h>
   3 #include <sys/stat.h>
   4 #include <sys/types.h>
   5 #include <dirent.h>
   6 #include <linux/errno.h>
   7
   8 #include <ltt/LTTTypes.h>
   9 #include "parser.h"
  10 #include <ltt/trace.h>
  11
  12 #define DIR_NAME_SIZE 256
  13
  14 /* set the offset of the fields belonging to the event,
  15    need the information of the archecture */
  16 void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace *t);
  17
  18 /* get the size of the field type according to the archtecture's
  19    size and endian type(info of the archecture) */
  20 int getFieldtypeSize(LttTracefile * tf, LttEventType * evT, int offsetRoot,
  21                      int offsetParent, LttField *fld, void *evD, LttTrace* t);
  22
  23 /* read a fixed size or a block information from the file (fd) */
  24 int readFile(int fd, void * buf, size_t size, char * mesg);
  25 int readBlock(LttTracefile * tf, int whichBlock);
  26
  27 /* calculate cycles per nsec for current block */
  28 void getCyclePerNsec(LttTracefile * t);
  29
  30 /* reinitialize the info of the block which is already in the buffer */
  31 void updateTracefile(LttTracefile * tf);
  32
  33 /* go to the next event */
  34 int skipEvent(LttTracefile * t);
  35
  36 /* compare two time (LttTime), 0:t1=t2, -1:t1<t2, 1:t1>t2 */
  37 int timecmp(LttTime * t1, LttTime * t2);
  38
  39
  40
  41 /*****************************************************************************
  42  *Function name
  43  *    ltt_tracefile_open : open a trace file, construct a LttTracefile
  44  *Input params
  45  *    t                  : the trace containing the tracefile
  46  *    fileName           : path name of the trace file
  47  *Return value
  48  *                       : a pointer to a tracefile
  49  ****************************************************************************/
  50
  51 LttTracefile* ltt_tracefile_open(LttTrace * t, char * fileName)
  52 {
  53   LttTracefile * tf;
  54   struct stat    lTDFStat;    /* Trace data file status */
  55   BlockStart     a_block_start;
  56
  57   tf = g_new(LttTracefile, 1);
  58
  59   //open the file
  60   tf->name = g_strdup(fileName);
  61   tf->trace = t;
  62   tf->fd = open(fileName, O_RDONLY, 0);
  63   if(tf->fd < 0){
  64     g_error("Unable to open input data file %s\n", fileName);
  65   }
  66
  67   // Get the file's status
  68   if(fstat(tf->fd, &lTDFStat) < 0){
  69     g_error("Unable to get the status of the input data file %s\n", fileName);
  70   }
  71
  72   // Is the file large enough to contain a trace
  73   if(lTDFStat.st_size < sizeof(BlockStart) + EVENT_HEADER_SIZE){
  74     g_print("The input data file %s does not contain a trace\n", fileName);
  75     g_free(tf->name);
  76     close(tf->fd);
  77     g_free(tf);
  78     return NULL;
  79   }
  80
  81   //store the size of the file
  82   tf->file_size = lTDFStat.st_size;
  83   tf->block_size = t->system_description->ltt_block_size;
  84   tf->block_number = tf->file_size / tf->block_size;
  85   tf->which_block = 0;
  86
  87   //allocate memory to contain the info of a block
  88   tf->buffer = (void *) g_new(char, t->system_description->ltt_block_size);
  89
  90   //read the first block
  91   if(readBlock(tf,1)) exit(1);
  92
  93   return tf;
  94 }
  95
  96
  97 /*****************************************************************************
  98  *Open control and per cpu tracefiles
  99  ****************************************************************************/
 100
 101 void ltt_tracefile_open_cpu(LttTrace *t, char * tracefile_name)
 102 {
 103   LttTracefile * tf;
 104   tf = ltt_tracefile_open(t,tracefile_name);
 105   if(!tf) return;
 106   t->per_cpu_tracefile_number++;
 107   g_ptr_array_add(t->per_cpu_tracefiles, tf);
 108 }
 109
 110 void ltt_tracefile_open_control(LttTrace *t, char * control_name)
 111 {
 112   LttTracefile * tf;
 113   LttEvent * ev;
 114   LttFacility * f;
 115   uint16_t evId;
 116   void * pos;
 117   FacilityLoad fLoad;
 118   int i;
 119
 120   tf = ltt_tracefile_open(t,control_name);
 121   if(!tf) return;
 122   t->control_tracefile_number++;
 123   g_ptr_array_add(t->control_tracefiles,tf);
 124
 125   //parse facilities tracefile to get base_id
 126   if(strcmp(&control_name[strlen(control_name)-10],"facilities") ==0){
 127     while(1){
 128       ev = ltt_tracefile_read(tf);
 129       if(!ev)return; // end of file
 130
 131       if(ev->event_id == TRACE_FACILITY_LOAD){
 132         pos = ev->data;
 133         fLoad.name = (char*)pos;
 134         fLoad.checksum = *(LttChecksum*)(pos + strlen(fLoad.name));
 135         fLoad.base_code = *(uint32_t*)(pos + strlen(fLoad.name) + sizeof(LttChecksum));
 136
 137         for(i=0;i<t->facility_number;i++){
 138           f = (LttFacility*)g_ptr_array_index(t->facilities,i);
 139           if(strcmp(f->name,fLoad.name)==0 && fLoad.checksum==f->checksum){
 140             f->base_id = fLoad.base_code;
 141             break;
 142           }
 143         }
 144         if(i==t->facility_number)
 145           g_error("Facility: %s, checksum: %d is not founded\n",
 146                   fLoad.name,fLoad.checksum);
 147       }else if(ev->event_id == TRACE_BLOCK_START){
 148         continue;
 149       }else if(ev->event_id == TRACE_BLOCK_END){
 150         break;
 151       }else g_error("Not valid facilities trace file\n");
 152     }
 153   }
 154 }
 155
 156 /*****************************************************************************
 157  *Function name
 158  *    ltt_tracefile_close: close a trace file,
 159  *Input params
 160  *    t                  : tracefile which will be closed
 161  ****************************************************************************/
 162
 163 void ltt_tracefile_close(LttTracefile *t)
 164 {
 165   g_free(t->name);
 166   g_free(t->buffer);
 167   close(t->fd);
 168   g_free(t);
 169 }
 170
 171
 172 /*****************************************************************************
 173  *Get system information
 174  ****************************************************************************/
 175 void getSystemInfo(LttSystemDescription* des, char * pathname)
 176 {
 177   FILE * fp;
 178   int i;
 179   int entry_number = 15;
 180   char buf[DIR_NAME_SIZE];
 181   char description[4*DIR_NAME_SIZE];
 182   char * ptr;
 183
 184   fp = fopen(pathname,"r");
 185   if(!fp){
 186     g_error("Can not open file : %s\n", pathname);
 187   }
 188
 189   while(fgets(buf,DIR_NAME_SIZE, fp)!= NULL){
 190     ptr = buf;
 191     while(isspace(*ptr)) ptr++;
 192     if(strlen(ptr) == 0) continue;
 193     break;
 194   }
 195
 196   if(strlen(ptr) == 0) g_error("Not a valid file: %s\n", pathname);
 197   if(strncmp("<system",ptr,7) !=0)g_error("Not a valid file: %s\n", pathname);
 198
 199   for(i=0;i<entry_number;i++){
 200     if(fgets(buf,DIR_NAME_SIZE, fp)== NULL)
 201       g_error("Not a valid file: %s\n", pathname);
 202     buf[strlen(buf)-1] = '\0';
 203     ptr = buf;
 204     while(isspace(*ptr)) ptr++;
 205     switch(i){
 206       case 0:
 207         if(strncmp("node_name=",ptr,10)!=0)
 208           g_error("Not a valid file: %s\n", pathname);
 209         des->node_name = g_strdup(ptr+10);
 210         break;
 211       case 1:
 212         if(strncmp("domainname=",ptr,11)!=0)
 213           g_error("Not a valid file: %s\n", pathname);
 214         des->domain_name = g_strdup(ptr+11);
 215         break;
 216       case 2:
 217         if(strncmp("cpu=",ptr,4)!=0)
 218           g_error("Not a valid file: %s\n", pathname);
 219         des->nb_cpu = (unsigned)atoi(ptr+4);
 220         break;
 221       case 3:
 222         if(strncmp("arch_size=",ptr,10)!=0)
 223           g_error("Not a valid file: %s\n", pathname);
 224         if(strcmp(ptr+10,"\"LP32\"") == 0) des->size = LTT_LP32;
 225         else if(strcmp(ptr+10,"\"ILP32\"") == 0) des->size = LTT_ILP32;
 226         else if(strcmp(ptr+10,"\"LP64\"") == 0) des->size = LTT_LP64;
 227         else if(strcmp(ptr+10,"\"ILP64\"") == 0) des->size = LTT_ILP64;
 228         else if(strcmp(ptr+10,"\"UNKNOWN\"") == 0) des->size = LTT_UNKNOWN;
 229         break;
 230       case 4:
 231         if(strncmp("endian=",ptr,7)!=0)
 232           g_error("Not a valid file: %s\n", pathname);
 233         if(strcmp(ptr+7,"\"LITTLE_ENDIAN\"") == 0)
 234           des->endian = LTT_LITTLE_ENDIAN;
 235         else if(strcmp(ptr+7,"\"BIG_ENDIAN\"") == 0)
 236           des->endian = LTT_BIG_ENDIAN;
 237         break;
 238       case 5:
 239         if(strncmp("kernel_name=",ptr,12)!=0)
 240           g_error("Not a valid file: %s\n", pathname);
 241         des->kernel_name = g_strdup(ptr+12);
 242         break;
 243       case 6:
 244         if(strncmp("kernel_release=",ptr,15)!=0)
 245           g_error("Not a valid file: %s\n", pathname);
 246         des->kernel_release = g_strdup(ptr+15);
 247         break;
 248        case 7:
 249          if(strncmp("kernel_version=",ptr,15)!=0)
 250            g_error("Not a valid file: %s\n", pathname);
 251          des->kernel_version = g_strdup(ptr+15);
 252          break;
 253        case 8:
 254          if(strncmp("machine=",ptr,8)!=0)
 255            g_error("Not a valid file: %s\n", pathname);
 256          des->machine = g_strdup(ptr+8);
 257          break;
 258        case 9:
 259          if(strncmp("processor=",ptr,10)!=0)
 260            g_error("Not a valid file: %s\n", pathname);
 261          des->processor = g_strdup(ptr+10);
 262          break;
 263        case 10:
 264          if(strncmp("hardware_platform=",ptr,18)!=0)
 265            g_error("Not a valid file: %s\n", pathname);
 266          des->hardware_platform = g_strdup(ptr+18);
 267          break;
 268        case 11:
 269          if(strncmp("operating_system=",ptr,17)!=0)
 270            g_error("Not a valid file: %s\n", pathname);
 271          des->operating_system = g_strdup(ptr+17);
 272          break;
 273        case 12:
 274          if(strncmp("ltt_major_version=",ptr,18)!=0)
 275            g_error("Not a valid file: %s\n", pathname);
 276          ptr += 18;
 277          //      ptr++;//skip begining "
 278          //      ptr[strlen(ptr)-1] = '\0'; //get rid of the ending "
 279          des->ltt_major_version = (unsigned)atoi(ptr);
 280          break;
 281        case 13:
 282          if(strncmp("ltt_minor_version=",ptr,18)!=0)
 283            g_error("Not a valid file: %s\n", pathname);
 284          ptr += 18;
 285          //      ptr++;//skip begining "
 286          //      ptr[strlen(ptr)-1] = '\0'; //get rid of the ending "
 287          des->ltt_minor_version = (unsigned)atoi(ptr);
 288          break;
 289        case 14:
 290          if(strncmp("ltt_block_size=",ptr,15)!=0)
 291            g_error("Not a valid file: %s\n", pathname);
 292          ptr += 15;
 293          //      ptr++;//skip begining "
 294          //      ptr[strlen(ptr)-1] = '\0'; //get rid of the ending "
 295          des->ltt_block_size = (unsigned)atoi(ptr);
 296          break;
 297        default:
 298          g_error("Not a valid file: %s\n", pathname);
 299    }
 300   }
 301
 302   //get description
 303   description[0] = '\0';
 304   if(fgets(buf,DIR_NAME_SIZE, fp)== NULL)
 305     g_error("Not a valid file: %s\n", pathname);
 306   ptr = buf;
 307   while(isspace(*ptr)) ptr++;
 308   if(*ptr != '>') g_error("Not a valid file: %s\n", pathname);
 309   while((ptr=fgets(buf,DIR_NAME_SIZE, fp))!= NULL){
 310     ptr = buf;
 311     while(isspace(*ptr)) ptr++;
 312     if(strncmp("</system>",ptr,9) == 0 )break;
 313     strcat(description, buf);
 314   }
 315   if(!ptr)g_error("Not a valid file: %s\n", pathname);
 316   if(description[0] = '\0')des->description = NULL;
 317   des->description = g_strdup(description);
 318
 319   fclose(fp);
 320 }
 321
 322 /*****************************************************************************
 323  *The following functions get facility/tracefile information
 324  ****************************************************************************/
 325
 326 void getFacilityInfo(LttTrace *t, char* eventdefs)
 327 {
 328   DIR * dir;
 329   struct dirent *entry;
 330   char * ptr;
 331   int i,j;
 332   LttFacility * f;
 333   LttEventType * et;
 334   char name[DIR_NAME_SIZE];
 335
 336   dir = opendir(eventdefs);
 337   if(!dir) g_error("Can not open directory: %s\n", eventdefs);
 338
 339   while((entry = readdir(dir)) != NULL){
 340     ptr = &entry->d_name[strlen(entry->d_name)-4];
 341     if(strcmp(ptr,".xml") != 0) continue;
 342     strcpy(name,eventdefs);
 343     strcat(name,entry->d_name);
 344     ltt_facility_open(t,name);
 345   }
 346   closedir(dir);
 347
 348   for(j=0;j<t->facility_number;j++){
 349     f = (LttFacility*)g_ptr_array_index(t->facilities, j);
 350     for(i=0; i<f->event_number; i++){
 351       et = f->events[i];
 352       setFieldsOffset(NULL, et, NULL, t);
 353     }
 354   }
 355 }
 356
 357 void getControlFileInfo(LttTrace *t, char* control)
 358 {
 359   DIR * dir;
 360   struct dirent *entry;
 361   char name[DIR_NAME_SIZE];
 362
 363   dir = opendir(control);
 364   if(!dir) g_error("Can not open directory: %s\n", control);
 365
 366   while((entry = readdir(dir)) != NULL){
 367     if(strcmp(entry->d_name,"facilities") != 0 &&
 368        strcmp(entry->d_name,"interrupts") != 0 &&
 369        strcmp(entry->d_name,"processes") != 0) continue;
 370
 371     strcpy(name,control);
 372     strcat(name,entry->d_name);
 373     ltt_tracefile_open_control(t,name);
 374   }
 375   closedir(dir);
 376 }
 377
 378 void getCpuFileInfo(LttTrace *t, char* cpu)
 379 {
 380   DIR * dir;
 381   struct dirent *entry;
 382   char name[DIR_NAME_SIZE];
 383
 384   dir = opendir(cpu);
 385   if(!dir) g_error("Can not open directory: %s\n", cpu);
 386
 387   while((entry = readdir(dir)) != NULL){
 388     if(strcmp(entry->d_name,".") != 0 &&
 389        strcmp(entry->d_name,"..") != 0 ){
 390       strcpy(name,cpu);
 391       strcat(name,entry->d_name);
 392       ltt_tracefile_open_cpu(t,name);
 393     }else continue;
 394   }
 395   closedir(dir);
 396 }
 397
 398 /*****************************************************************************
 399  *A trace is specified as a pathname to the directory containing all the
 400  *associated data (control tracefiles, per cpu tracefiles, event
 401  *descriptions...).
 402  *
 403  *When a trace is closed, all the associated facilities, types and fields
 404  *are released as well.
 405  ****************************************************************************/
 406
 407 LttTrace *ltt_trace_open(char *pathname)
 408 {
 409   LttTrace  * t;
 410   LttSystemDescription * sys_description;
 411   char eventdefs[DIR_NAME_SIZE];
 412   char info[DIR_NAME_SIZE];
 413   char control[DIR_NAME_SIZE];
 414   char cpu[DIR_NAME_SIZE];
 415   char tmp[DIR_NAME_SIZE];
 416   gboolean has_slash = FALSE;
 417
 418   //establish the pathname to different directories
 419   if(pathname[strlen(pathname)-1] == '/')has_slash = TRUE;
 420   strcpy(eventdefs,pathname);
 421   if(!has_slash)strcat(eventdefs,"/");
 422   strcat(eventdefs,"eventdefs/");
 423
 424   strcpy(info,pathname);
 425   if(!has_slash)strcat(info,"/");
 426   strcat(info,"info/");
 427
 428   strcpy(control,pathname);
 429   if(!has_slash)strcat(control,"/");
 430   strcat(control,"control/");
 431
 432   strcpy(cpu,pathname);
 433   if(!has_slash)strcat(cpu,"/");
 434   strcat(cpu,"cpu/");
 435
 436   //new trace
 437   t               = g_new(LttTrace, 1);
 438   sys_description = g_new(LttSystemDescription, 1);
 439   t->pathname     = g_strdup(pathname);
 440   t->facility_number          = 0;
 441   t->control_tracefile_number = 0;
 442   t->per_cpu_tracefile_number = 0;
 443   t->system_description = sys_description;
 444   t->control_tracefiles = g_ptr_array_new();
 445   t->per_cpu_tracefiles = g_ptr_array_new();
 446   t->facilities         = g_ptr_array_new();
 447   getDataEndianType(&(t->my_arch_size), &(t->my_arch_endian));
 448
 449   //get system description
 450   strcpy(tmp,info);
 451   strcat(tmp,"system.xml");
 452   getSystemInfo(sys_description, tmp);
 453
 454   //get facilities info
 455   getFacilityInfo(t,eventdefs);
 456
 457   //get control tracefile info
 458   getControlFileInfo(t,control);
 459
 460   //get cpu tracefile info
 461   getCpuFileInfo(t,cpu);
 462
 463   return t;
 464 }
 465
 466 void ltt_trace_close(LttTrace *t)
 467 {
 468   int i;
 469   LttTracefile * tf;
 470   LttFacility * f;
 471
 472   g_free(t->pathname);
 473
 474   //free system_description
 475   g_free(t->system_description->description);
 476   g_free(t->system_description->node_name);
 477   g_free(t->system_description->domain_name);
 478   g_free(t->system_description->kernel_name);
 479   g_free(t->system_description->kernel_release);
 480   g_free(t->system_description->kernel_version);
 481   g_free(t->system_description->machine);
 482   g_free(t->system_description->processor);
 483   g_free(t->system_description->hardware_platform);
 484   g_free(t->system_description->operating_system);
 485   g_free(t->system_description);
 486
 487   //free control_tracefiles
 488   for(i=0;i<t->control_tracefile_number;i++){
 489     tf = (LttTracefile*)g_ptr_array_index(t->control_tracefiles,i);
 490     ltt_tracefile_close(tf);
 491   }
 492   g_ptr_array_free(t->control_tracefiles, TRUE);
 493
 494   //free per_cpu_tracefiles
 495   for(i=0;i<t->per_cpu_tracefile_number;i++){
 496     tf = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,i);
 497     ltt_tracefile_close(tf);
 498   }
 499   g_ptr_array_free(t->per_cpu_tracefiles, TRUE);
 500
 501   //free facilities
 502   for(i=0;i<t->facility_number;i++){
 503     f = (LttFacility*)g_ptr_array_index(t->facilities,i);
 504     ltt_facility_close(f);
 505   }
 506   g_ptr_array_free(t->facilities, TRUE);
 507
 508   g_free(t);
 509
 510   g_blow_chunks();
 511 }
 512
 513
 514 /*****************************************************************************
 515  *Get the system description of the trace
 516  ****************************************************************************/
 517
 518 LttSystemDescription *ltt_trace_system_description(LttTrace *t)
 519 {
 520   return t->system_description;
 521 }
 522
 523 /*****************************************************************************
 524  * The following functions discover the facilities of the trace
 525  ****************************************************************************/
 526
 527 unsigned ltt_trace_facility_number(LttTrace *t)
 528 {
 529   return (unsigned)(t->facility_number);
 530 }
 531
 532 LttFacility *ltt_trace_facility_get(LttTrace *t, unsigned i)
 533 {
 534   return (LttFacility*)g_ptr_array_index(t->facilities, i);
 535 }
 536
 537 /*****************************************************************************
 538  *Function name
 539  *    ltt_trace_facility_find : find facilities in the trace
 540  *Input params
 541  *    t                       : the trace
 542  *    name                    : facility name
 543  *Output params
 544  *    position                : position of the facility in the trace
 545  *Return value
 546  *                            : the number of facilities
 547  ****************************************************************************/
 548
 549 unsigned ltt_trace_facility_find(LttTrace *t, char *name, unsigned *position)
 550 {
 551   int i, count=0;
 552   LttFacility * f;
 553   for(i=0;i<t->facility_number;i++){
 554     f = (LttFacility*)g_ptr_array_index(t->facilities, i);
 555     if(strcmp(f->name,name)==0){
 556       count++;
 557       if(count==1) *position = i;
 558     }else{
 559       if(count) break;
 560     }
 561   }
 562   return count;
 563 }
 564
 565 /*****************************************************************************
 566  * Functions to discover all the event types in the trace
 567  ****************************************************************************/
 568
 569 unsigned ltt_trace_eventtype_number(LttTrace *t)
 570 {
 571   int i;
 572   unsigned count = 0;
 573   LttFacility * f;
 574   for(i=0;i<t->facility_number;i++){
 575     f = (LttFacility*)g_ptr_array_index(t->facilities, i);
 576     count += f->event_number;
 577   }
 578   return count;
 579 }
 580
 581 LttFacility * ltt_trace_facility_by_id(LttTrace * trace, unsigned id)
 582 {
 583   LttFacility * facility;
 584   int i;
 585   for(i=0;i<trace->facility_number;i++){
 586     facility = (LttFacility*) g_ptr_array_index(trace->facilities,i);
 587     if(id >= facility->base_id &&
 588        id < facility->base_id + facility->event_number)
 589       break;
 590   }
 591   if(i==trace->facility_number) return NULL;
 592   else return facility;
 593 }
 594
 595 LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId)
 596 {
 597   LttFacility * f;
 598   f = ltt_trace_facility_by_id(t,evId);
 599   if(!f) return NULL;
 600   return f->events[evId - f->base_id];
 601 }
 602
 603 /*****************************************************************************
 604  *There is one "per cpu" tracefile for each CPU, numbered from 0 to
 605  *the maximum number of CPU in the system. When the number of CPU installed
 606  *is less than the maximum, some positions are unused. There are also a
 607  *number of "control" tracefiles (facilities, interrupts...).
 608  ****************************************************************************/
 609 unsigned ltt_trace_control_tracefile_number(LttTrace *t)
 610 {
 611   return t->control_tracefile_number;
 612 }
 613
 614 unsigned ltt_trace_per_cpu_tracefile_number(LttTrace *t)
 615 {
 616   return t->per_cpu_tracefile_number;
 617 }
 618
 619 /*****************************************************************************
 620  *It is possible to search for the tracefiles by name or by CPU position.
 621  *The index within the tracefiles of the same type is returned if found
 622  *and a negative value otherwise.
 623  ****************************************************************************/
 624
 625 int ltt_trace_control_tracefile_find(LttTrace *t, char *name)
 626 {
 627   LttTracefile * tracefile;
 628   int i;
 629   for(i=0;i<t->control_tracefile_number;i++){
 630     tracefile = (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i);
 631     if(strcmp(tracefile->name, name)==0)break;
 632   }
 633   if(i == t->control_tracefile_number) return -1;
 634   return i;
 635 }
 636
 637 int ltt_trace_per_cpu_tracefile_find(LttTrace *t, unsigned i)
 638 {
 639   LttTracefile * tracefile;
 640   int j, name;
 641   for(j=0;j<t->per_cpu_tracefile_number;j++){
 642     tracefile = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, j);
 643     name = atoi(tracefile->name);
 644     if(name == (int)i)break;
 645   }
 646   if(j == t->per_cpu_tracefile_number) return -1;
 647   return j;
 648 }
 649
 650 /*****************************************************************************
 651  *Get a specific tracefile
 652  ****************************************************************************/
 653
 654 LttTracefile *ltt_trace_control_tracefile_get(LttTrace *t, unsigned i)
 655 {
 656   return (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i);
 657 }
 658
 659 LttTracefile *ltt_trace_per_cpu_tracefile_get(LttTrace *t, unsigned i)
 660 {
 661   return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i);
 662 }
 663
 664 /*****************************************************************************
 665  * Get the start time and end time of the trace
 666  ****************************************************************************/
 667
 668 void ltt_trace_time_span_get(LttTrace *t, LttTime *start, LttTime *end)
 669 {
 670   LttTime startSmall, startTmp, endBig, endTmp;
 671   int i, j=0;
 672   LttTracefile * tf;
 673
 674   for(i=0;i<t->control_tracefile_number;i++){
 675     tf = g_ptr_array_index(t->control_tracefiles, i);
 676     readBlock(tf,1);
 677     startTmp = tf->a_block_start->time;
 678     readBlock(tf,tf->block_number);
 679     endTmp = tf->a_block_end->time;
 680     if(i==0){
 681       startSmall = startTmp;
 682       endBig     = endTmp;
 683       j = 1;
 684       continue;
 685     }
 686     if(timecmp(&startSmall,&startTmp) > 0) startSmall = startTmp;
 687     if(timecmp(&endBig,&endTmp) < 0) endBig = endTmp;
 688   }
 689
 690   for(i=0;i<t->per_cpu_tracefile_number;i++){
 691     tf = g_ptr_array_index(t->per_cpu_tracefiles, i);
 692     readBlock(tf,1);
 693     startTmp = tf->a_block_start->time;
 694     readBlock(tf,tf->block_number);
 695     endTmp = tf->a_block_end->time;
 696     if(j == 0 && i==0){
 697       startSmall = startTmp;
 698       endBig     = endTmp;
 699       continue;
 700     }
 701     if(timecmp(&startSmall,&startTmp) > 0) startSmall = startTmp;
 702     if(timecmp(&endBig,&endTmp) < 0) endBig = endTmp;
 703   }
 704
 705   *start = startSmall;
 706   *end = endBig;
 707 }
 708
 709
 710 /*****************************************************************************
 711  *Get the name of a tracefile
 712  ****************************************************************************/
 713
 714 char *ltt_tracefile_name(LttTracefile *tf)
 715 {
 716   return tf->name;
 717 }
 718
 719 /*****************************************************************************
 720  * Get the number of blocks in the tracefile
 721  ****************************************************************************/
 722
 723 unsigned ltt_tracefile_block_number(LttTracefile *tf)
 724 {
 725   return tf->block_number;
 726 }
 727
 728 /*****************************************************************************
 729  *Function name
 730  *    ltt_tracefile_seek_time: seek to the first event of the trace with time
 731  *                             larger or equal to time
 732  *Input params
 733  *    t                      : tracefile
 734  *    time                   : criteria of the time
 735  ****************************************************************************/
 736
 737 void ltt_tracefile_seek_time(LttTracefile *t, LttTime time)
 738 {
 739   int err;
 740   LttTime lttTime;
 741   int headTime = timecmp(&(t->a_block_start->time), &time);
 742   int tailTime = timecmp(&(t->a_block_end->time), &time);
 743   LttEvent * ev;
 744
 745   if(headTime < 0 && tailTime > 0){
 746     if(timecmp(&(t->a_block_end->time),&(t->current_event_time)) !=0){
 747       lttTime = getEventTime(t);
 748       err = timecmp(&lttTime, &time);
 749       if(err > 0){
 750         if(t->which_event==2 || timecmp(&t->prev_event_time,&time)<0){
 751           return;
 752         }else{
 753           updateTracefile(t);
 754           return ltt_tracefile_seek_time(t, time);
 755         }
 756       }else if(err < 0){
 757         while(1){
 758           ev = ltt_tracefile_read(t);
 759           if(ev == NULL){
 760             g_print("End of file\n");
 761             return;
 762           }
 763           lttTime = getEventTime(t);
 764           err = timecmp(&lttTime, &time);
 765           if(err >= 0)return;
 766         }
 767       }else return;
 768     }else{//we are at the end of the block
 769       updateTracefile(t);
 770       return ltt_tracefile_seek_time(t, time);
 771     }
 772   }else if(headTime >= 0){
 773     if(t->which_block == 1){
 774       updateTracefile(t);
 775     }else{
 776       if(timecmp(&(t->prev_block_end_time),&time) >= 0 ){
 777         err=readBlock(t,t->which_block-1);
 778         if(err) g_error("Can not read tracefile: %s\n", t->name);
 779         return ltt_tracefile_seek_time(t, time) ;
 780       }else{
 781         updateTracefile(t);
 782       }
 783     }
 784   }else if(tailTime < 0){
 785     if(t->which_block != t->block_number){
 786       err=readBlock(t,t->which_block+1);
 787       if(err) g_error("Can not read tracefile: %s\n", t->name);
 788     }else {
 789       g_print("End of file\n");
 790       return;
 791     }
 792     if(tailTime < 0) return ltt_tracefile_seek_time(t, time);
 793   }else if(tailTime == 0){
 794     t->cur_event_pos = t->last_event_pos;
 795     t->current_event_time = time;
 796     t->cur_heart_beat_number = 0;
 797     t->prev_event_time.tv_sec = 0;
 798     t->prev_event_time.tv_nsec = 0;
 799     return;
 800   }
 801 }
 802
 803 /*****************************************************************************
 804  * Seek to the first event with position equal or larger to ep
 805  ****************************************************************************/
 806
 807 void ltt_tracefile_seek_position(LttTracefile *t, LttEventPosition *ep)
 808 {
 809   //if we are at the right place, just return
 810   if(t->which_block == ep->block_num && t->which_event == ep->event_num)
 811     return;
 812
 813   if(t->which_block == ep->block_num) updateTracefile(t);
 814   else readBlock(t,ep->block_num);
 815
 816   //event offset is availiable
 817   if(ep->old_position){
 818     t->cur_heart_beat_number = ep->heart_beat_number;
 819     t->cur_event_pos = t->buffer + ep->event_offset;
 820     return;
 821   }
 822
 823   //only block number and event index are availiable
 824   while(t->which_event < ep->event_num) ltt_tracefile_read(t);
 825
 826   return;
 827 }
 828
 829 /*****************************************************************************
 830  *Function name
 831  *    ltt_tracefile_read : read the current event, set the pointer to the next
 832  *Input params
 833  *    t                  : tracefile
 834  *Return value
 835  *    LttEvent *        : an event to be processed
 836  ****************************************************************************/
 837
 838 LttEvent *ltt_tracefile_read(LttTracefile *t)
 839 {
 840   LttEvent * lttEvent = &t->an_event;
 841   int err;
 842
 843   if(t->cur_event_pos == t->buffer + t->block_size){
 844     if(t->which_block == t->block_number){
 845       return NULL;
 846     }
 847     err = readBlock(t, t->which_block + 1);
 848     if(err)g_error("Can not read tracefile");
 849   }
 850
 851   lttEvent->event_id = (int)(*(uint16_t *)(t->cur_event_pos));
 852   if(lttEvent->event_id == TRACE_TIME_HEARTBEAT)
 853     t->cur_heart_beat_number++;
 854
 855   t->prev_event_time  = t->current_event_time;
 856   //  t->current_event_time = getEventTime(t);
 857
 858   lttEvent->time_delta = *(uint32_t*)(t->cur_event_pos + EVENT_ID_SIZE);
 859   lttEvent->event_time = t->current_event_time;
 860
 861   lttEvent->tracefile = t;
 862   lttEvent->data = t->cur_event_pos + EVENT_HEADER_SIZE;
 863   lttEvent->which_block = t->which_block;
 864   lttEvent->which_event = t->which_event;
 865
 866   //update the fields of the current event and go to the next event
 867   err = skipEvent(t);
 868   if(err == ERANGE) g_error("event id is out of range\n");
 869
 870   lttEvent->event_cycle_count = t->cur_cycle_count;
 871
 872   return lttEvent;
 873 }
 874
 875 /****************************************************************************
 876  *Function name
 877  *    readFile    : wrap function to read from a file
 878  *Input Params
 879  *    fd          : file descriptor
 880  *    buf         : buf to contain the content
 881  *    size        : number of bytes to be read
 882  *    mesg        : message to be printed if some thing goes wrong
 883  *return value
 884  *    0           : success
 885  *    EIO         : can not read from the file
 886  ****************************************************************************/
 887
 888 int readFile(int fd, void * buf, size_t size, char * mesg)
 889 {
 890    ssize_t nbBytes;
 891    nbBytes = read(fd, buf, size);
 892    if(nbBytes != size){
 893      printf("%s\n",mesg);
 894      return EIO;
 895    }
 896    return 0;
 897 }
 898
 899 /****************************************************************************
 900  *Function name
 901  *    readBlock       : read a block from the file
 902  *Input Params
 903  *    lttdes          : ltt trace file
 904  *    whichBlock      : the block which will be read
 905  *return value
 906  *    0               : success
 907  *    EINVAL          : lseek fail
 908  *    EIO             : can not read from the file
 909  ****************************************************************************/
 910
 911 int readBlock(LttTracefile * tf, int whichBlock)
 912 {
 913   off_t nbBytes;
 914   uint32_t lostSize;
 915
 916   if(whichBlock - tf->which_block == 1 && tf->which_block != 0){
 917     tf->prev_block_end_time = tf->a_block_end->time;
 918     tf->prev_event_time     = tf->a_block_end->time;
 919   }else{
 920     tf->prev_block_end_time.tv_sec = 0;
 921     tf->prev_block_end_time.tv_nsec = 0;
 922     tf->prev_event_time.tv_sec = 0;
 923     tf->prev_event_time.tv_nsec = 0;
 924   }
 925
 926   nbBytes=lseek(tf->fd,(off_t)((whichBlock-1)*tf->block_size), SEEK_SET);
 927   if(nbBytes == -1) return EINVAL;
 928
 929   if(readFile(tf->fd,tf->buffer,tf->block_size,"Unable to read a block"))
 930     return EIO;
 931
 932   tf->a_block_start=(BlockStart *) (tf->buffer + EVENT_HEADER_SIZE);
 933   lostSize = *(uint32_t*)(tf->buffer + tf->block_size - sizeof(uint32_t));
 934   tf->a_block_end=(BlockEnd *)(tf->buffer + tf->block_size -
 935                                 lostSize + EVENT_HEADER_SIZE);
 936   tf->last_event_pos = tf->buffer + tf->block_size - lostSize;
 937
 938   tf->which_block = whichBlock;
 939   tf->which_event = 1;
 940   tf->cur_event_pos = tf->buffer;//the beginning of the block, block start ev
 941   tf->cur_heart_beat_number = 0;
 942
 943   getCyclePerNsec(tf);
 944
 945   tf->current_event_time = getEventTime(tf);
 946
 947   return 0;
 948 }
 949
 950 /*****************************************************************************
 951  *Function name
 952  *    updateTracefile : reinitialize the info of the block which is already
 953  *                      in the buffer
 954  *Input params
 955  *    tf              : tracefile
 956  ****************************************************************************/
 957
 958 void updateTracefile(LttTracefile * tf)
 959 {
 960   tf->which_event = 1;
 961   tf->cur_event_pos = tf->buffer;
 962   tf->current_event_time = getEventTime(tf);
 963   tf->cur_heart_beat_number = 0;
 964
 965   tf->prev_event_time.tv_sec = 0;
 966   tf->prev_event_time.tv_nsec = 0;
 967 }
 968
 969 /*****************************************************************************
 970  *Function name
 971  *    skipEvent : go to the next event, update the fields of the current event
 972  *Input params
 973  *    t         : tracefile
 974  *return value
 975  *    0               : success
 976  *    ERANGE          : event id is out of range
 977  ****************************************************************************/
 978
 979 int skipEvent(LttTracefile * t)
 980 {
 981   int evId, err;
 982   void * evData;
 983   LttEventType * evT;
 984   LttField * rootFld;
 985
 986   evId   = (int)(*(uint16_t *)(t->cur_event_pos));
 987   evData = t->cur_event_pos + EVENT_HEADER_SIZE;
 988
 989   evT    = ltt_trace_eventtype_get(t->trace,(unsigned)evId);
 990
 991   if(evT) rootFld = evT->root_field;
 992   else return ERANGE;
 993
 994   if(rootFld){
 995     //event has string/sequence or the last event is not the same event
 996     if((evT->latest_block!=t->which_block || evT->latest_event!=t->which_event)
 997        && rootFld->field_fixed == 0){
 998       setFieldsOffset(t, evT, evData, t->trace);
 999     }
1000     t->cur_event_pos += EVENT_HEADER_SIZE + rootFld->field_size;
1001   }else t->cur_event_pos += EVENT_HEADER_SIZE;
1002
1003   evT->latest_block = t->which_block;
1004   evT->latest_event = t->which_event;
1005
1006   //the next event is in the next block
1007   if(evId == TRACE_BLOCK_END){
1008     t->cur_event_pos = t->buffer + t->block_size;
1009   }else{
1010     t->which_event++;
1011     t->current_event_time = getEventTime(t);
1012   }
1013
1014   return 0;
1015 }
1016
1017 /*****************************************************************************
1018  *Function name
1019  *    getCyclePerNsec : calculate cycles per nsec for current block
1020  *Input Params
1021  *    t               : tracefile
1022  ****************************************************************************/
1023
1024 void getCyclePerNsec(LttTracefile * t)
1025 {
1026   LttTime           lBufTotalTime; /* Total time for this buffer */
1027   LttCycleCount     lBufTotalNSec; /* Total time for this buffer in nsecs */
1028   LttCycleCount     lBufTotalCycle;/* Total cycles for this buffer */
1029
1030   /* Calculate the total time for this buffer */
1031   TimeSub(lBufTotalTime,t->a_block_end->time, t->a_block_start->time);
1032
1033   /* Calculate the total cycles for this bufffer */
1034   lBufTotalCycle  = t->a_block_end->cycle_count;
1035   lBufTotalCycle -= t->a_block_start->cycle_count;
1036
1037   /* Convert the total time to nsecs */
1038   lBufTotalNSec  = lBufTotalTime.tv_sec;
1039   lBufTotalNSec *= NANSECOND_CONST;
1040   lBufTotalNSec += lBufTotalTime.tv_nsec;
1041
1042   t->cycle_per_nsec = (double)lBufTotalCycle / (double)lBufTotalNSec;
1043 }
1044
1045 /****************************************************************************
1046  *Function name
1047  *    getEventTime    : obtain the time of an event
1048  *Input params
1049  *    tf              : tracefile
1050  *Return value
1051  *    LttTime        : the time of the event
1052  ****************************************************************************/
1053
1054 LttTime getEventTime(LttTracefile * tf)
1055 {
1056   LttTime       time;
1057   LttCycleCount cycle_count;      // cycle count for the current event
1058   LttCycleCount lEventTotalCycle; // Total cycles from start for event
1059   double        lEventNSec;       // Total usecs from start for event
1060   LttTime       lTimeOffset;      // Time offset in struct LttTime
1061   uint16_t      evId;
1062   int64_t       nanoSec, tmpCycleCount = (((uint64_t)1)<<32);
1063   static LttCycleCount preCycleCount = 0;
1064   static int   count = 0;
1065
1066   evId = *(uint16_t*)tf->cur_event_pos;
1067   if(evId == TRACE_BLOCK_START){
1068     count = 0;
1069     preCycleCount = 0;
1070     tf->cur_cycle_count = tf->a_block_start->cycle_count;
1071     return tf->a_block_start->time;
1072   }else if(evId == TRACE_BLOCK_END){
1073     count = 0;
1074     preCycleCount = 0;
1075     tf->cur_cycle_count = tf->a_block_end->cycle_count;
1076     return tf->a_block_end->time;
1077   }
1078
1079   // Calculate total time in cycles from start of buffer for this event
1080   cycle_count = (LttCycleCount)*(uint32_t*)(tf->cur_event_pos + EVENT_ID_SIZE);
1081
1082   if(cycle_count < preCycleCount)count++;
1083   preCycleCount = cycle_count;
1084   cycle_count += tmpCycleCount * count;
1085
1086   if(tf->cur_heart_beat_number > count)
1087     cycle_count += tmpCycleCount * (tf->cur_heart_beat_number - count);
1088
1089   tf->cur_cycle_count = cycle_count;
1090
1091   lEventTotalCycle  = cycle_count;
1092   lEventTotalCycle -= tf->a_block_start->cycle_count;
1093
1094   // Convert it to nsecs
1095   lEventNSec = lEventTotalCycle / tf->cycle_per_nsec;
1096   nanoSec    = lEventNSec;
1097
1098   // Determine offset in struct LttTime
1099   lTimeOffset.tv_nsec = nanoSec % NANSECOND_CONST;
1100   lTimeOffset.tv_sec  = nanoSec / NANSECOND_CONST;
1101
1102   TimeAdd(time, tf->a_block_start->time, lTimeOffset);
1103
1104   return time;
1105 }
1106
1107 /*****************************************************************************
1108  *Function name
1109  *    setFieldsOffset : set offset of the fields
1110  *Input params
1111  *    tracefile       : opened trace file
1112  *    evT             : the event type
1113  *    evD             : event data, it may be NULL
1114  ****************************************************************************/
1115
1116 void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace* t)
1117 {
1118   LttField * rootFld = evT->root_field;
1119   //  rootFld->base_address = evD;
1120
1121   if(rootFld)
1122     rootFld->field_size = getFieldtypeSize(tf, evT, 0,0,rootFld, evD,t);
1123 }
1124
1125 /*****************************************************************************
1126  *Function name
1127  *    getFieldtypeSize: get the size of the field type (primitive type)
1128  *Input params
1129  *    tracefile       : opened trace file
1130  *    evT             : event type
1131  *    offsetRoot      : offset from the root
1132  *    offsetParent    : offset from the parrent
1133  *    fld             : field
1134  *    evD             : event data, it may be NULL
1135  *Return value
1136  *    int             : size of the field
1137  ****************************************************************************/
1138
1139 int getFieldtypeSize(LttTracefile * t, LttEventType * evT, int offsetRoot,
1140              int offsetParent, LttField * fld, void *evD, LttTrace *trace)
1141 {
1142   int size, size1, element_number, i, offset1, offset2;
1143   LttType * type = fld->field_type;
1144
1145   if(t){
1146     if(evT->latest_block==t->which_block && evT->latest_event==t->which_event){
1147       return fld->field_size;
1148     }
1149   }
1150
1151   if(fld->field_fixed == 1){
1152     if(fld == evT->root_field) return fld->field_size;
1153   }
1154
1155   if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY &&
1156      type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){
1157     if(fld->field_fixed == -1){
1158       size = (int) ltt_type_size(trace, type);
1159       fld->field_fixed = 1;
1160     }else size = fld->field_size;
1161
1162   }else if(type->type_class == LTT_ARRAY){
1163     element_number = (int) type->element_number;
1164     if(fld->field_fixed == -1){
1165       size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace);
1166       if(size == 0){ //has string or sequence
1167         fld->field_fixed = 0;
1168       }else{
1169         fld->field_fixed = 1;
1170         size *= element_number;
1171       }
1172     }else if(fld->field_fixed == 0){// has string or sequence
1173       size = 0;
1174       for(i=0;i<element_number;i++){
1175         size += getFieldtypeSize(t, evT, offsetRoot+size,size,
1176                                 fld->child[0], evD+size, trace);
1177       }
1178     }else size = fld->field_size;
1179
1180   }else if(type->type_class == LTT_SEQUENCE){
1181     size1 = (int) ltt_type_size(trace, type);
1182     if(fld->field_fixed == -1){
1183       fld->sequ_number_size = size1;
1184       fld->field_fixed = 0;
1185       size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace);
1186       fld->element_size = size;
1187     }else{//0: sequence
1188       element_number = getIntNumber(size1,evD);
1189       type->element_number = element_number;
1190       if(fld->element_size > 0){
1191         size = element_number * fld->element_size;
1192       }else{//sequence has string or sequence
1193         size = 0;
1194         for(i=0;i<element_number;i++){
1195           size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1,
1196                                    fld->child[0], evD+size+size1, trace);
1197         }
1198       }
1199       size += size1;
1200     }
1201
1202   }else if(type->type_class == LTT_STRING){
1203     size = 0;
1204     if(fld->field_fixed == -1){
1205       fld->field_fixed = 0;
1206     }else{//0: string
1207       size = strlen((char*)evD) + 1; //include end : '\0'
1208     }
1209
1210   }else if(type->type_class == LTT_STRUCT){
1211     element_number = (int) type->element_number;
1212     size = 0;
1213     if(fld->field_fixed == -1){
1214       offset1 = offsetRoot;
1215       offset2 = 0;
1216       for(i=0;i<element_number;i++){
1217         size1=getFieldtypeSize(t, evT,offset1,offset2, fld->child[i], NULL, trace);
1218         if(size1 > 0 && size >= 0){
1219           size += size1;
1220           if(offset1 >= 0) offset1 += size1;
1221           offset2 += size1;
1222         }else{
1223           size = -1;
1224           offset1 = -1;
1225           offset2 = -1;
1226         }
1227       }
1228       if(size == -1){
1229         fld->field_fixed = 0;
1230         size = 0;
1231       }else fld->field_fixed = 1;
1232     }else if(fld->field_fixed == 0){
1233       offset1 = offsetRoot;
1234       offset2 = 0;
1235       for(i=0;i<element_number;i++){
1236         size=getFieldtypeSize(t,evT,offset1,offset2,fld->child[i],evD+offset2, trace);
1237         offset1 += size;
1238         offset2 += size;
1239       }
1240       size = offset2;
1241     }else size = fld->field_size;
1242   }
1243
1244   fld->offset_root     = offsetRoot;
1245   fld->offset_parent   = offsetParent;
1246   if(!evD){
1247     fld->fixed_root    = (offsetRoot==-1)   ? 0 : 1;
1248     fld->fixed_parent  = (offsetParent==-1) ? 0 : 1;
1249   }
1250   fld->field_size      = size;
1251
1252   return size;
1253 }
1254
1255 /*****************************************************************************
1256  *Function name
1257  *    timecmp   : compare two time
1258  *Input params
1259  *    t1        : first time
1260  *    t2        : second time
1261  *Return value
1262  *    int       : 0: t1 == t2; -1: t1 < t2; 1: t1 > t2
1263  ****************************************************************************/
1264
1265 int timecmp(LttTime * t1, LttTime * t2)
1266 {
1267   if(t1->tv_sec < t2->tv_sec) return -1;
1268   if(t1->tv_sec > t2->tv_sec) return 1;
1269   if(t1->tv_nsec < t2->tv_nsec) return -1;
1270   if(t1->tv_nsec > t2->tv_nsec) return 1;
1271   return 0;
1272 }
1273
1274 /*****************************************************************************
1275  *Function name
1276  *    getIntNumber    : get an integer number
1277  *Input params
1278  *    size            : the size of the integer
1279  *    evD             : the event data
1280  *Return value
1281  *    int             : an integer
1282  ****************************************************************************/
1283
1284 int getIntNumber(int size, void *evD)
1285 {
1286   int64_t i;
1287   if(size == 1)      i = *(int8_t *)evD;
1288   else if(size == 2) i = *(int16_t *)evD;
1289   else if(size == 4) i = *(int32_t *)evD;
1290   else if(size == 8) i = *(int64_t *)evD;
1291
1292   return (int) i;
1293 }
1294
1295 /*****************************************************************************
1296  *Function name
1297  *    getDataEndianType : get the data type size and endian type of the local
1298  *                        machine
1299  *Input params
1300  *    size              : size of data type
1301  *    endian            : endian type, little or big
1302  ****************************************************************************/
1303
1304 void getDataEndianType(LttArchSize * size, LttArchEndian * endian)
1305 {
1306   int i = 1;
1307   char c = (char) i;
1308   int sizeInt=sizeof(int), sizeLong=sizeof(long), sizePointer=sizeof(void *);
1309
1310   if(c == 1) *endian = LTT_LITTLE_ENDIAN;
1311   else *endian = LTT_BIG_ENDIAN;
1312
1313   if(sizeInt == 2 && sizeLong == 4 && sizePointer == 4)
1314     *size = LTT_LP32;
1315   else if(sizeInt == 4 && sizeLong == 4 && sizePointer == 4)
1316     *size = LTT_ILP32;
1317   else if(sizeInt == 4 && sizeLong == 8 && sizePointer == 8)
1318     *size = LTT_LP64;
1319   else if(sizeInt == 8 && sizeLong == 8 && sizePointer == 8)
1320     *size = LTT_ILP64;
1321   else *size = LTT_UNKNOWN;
1322 }
1323