init.c

   1 /*
   2  * This file contains job initialization and setup functions.
   3  */
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <unistd.h>
   7 #include <fcntl.h>
   8 #include <ctype.h>
   9 #include <string.h>
  10 #include <errno.h>
  11 #include <getopt.h>
  12 #include <sys/ipc.h>
  13 #include <sys/shm.h>
  14 #include <sys/types.h>
  15 #include <sys/stat.h>
  16
  17 #include "fio.h"
  18 #include "parse.h"
  19
  20 static char fio_version_string[] = "fio 1.15.1";
  21
  22 #define FIO_RANDSEED            (0xb1899bedUL)
  23
  24 static char **ini_file;
  25 static int max_jobs = MAX_JOBS;
  26
  27 struct thread_data def_thread;
  28 struct thread_data *threads = NULL;
  29
  30 int exitall_on_terminate = 0;
  31 int terse_output = 0;
  32 unsigned long long mlock_size = 0;
  33 FILE *f_out = NULL;
  34 FILE *f_err = NULL;
  35
  36 int write_bw_log = 0;
  37
  38 static int def_timeout = 0;
  39 static int write_lat_log = 0;
  40
  41 static int prev_group_jobs;
  42
  43 /*
  44  * Command line options. These will contain the above, plus a few
  45  * extra that only pertain to fio itself and not jobs.
  46  */
  47 static struct option long_options[FIO_NR_OPTIONS] = {
  48         {
  49                 .name           = "output",
  50                 .has_arg        = required_argument,
  51                 .val            = 'o',
  52         },
  53         {
  54                 .name           = "timeout",
  55                 .has_arg        = required_argument,
  56                 .val            = 't',
  57         },
  58         {
  59                 .name           = "latency-log",
  60                 .has_arg        = required_argument,
  61                 .val            = 'l',
  62         },
  63         {
  64                 .name           = "bandwidth-log",
  65                 .has_arg        = required_argument,
  66                 .val            = 'b',
  67         },
  68         {
  69                 .name           = "minimal",
  70                 .has_arg        = optional_argument,
  71                 .val            = 'm',
  72         },
  73         {
  74                 .name           = "version",
  75                 .has_arg        = no_argument,
  76                 .val            = 'v',
  77         },
  78         {
  79                 .name           = "help",
  80                 .has_arg        = no_argument,
  81                 .val            = 'h',
  82         },
  83         {
  84                 .name           = "cmdhelp",
  85                 .has_arg        = optional_argument,
  86                 .val            = 'c',
  87         },
  88         {
  89                 .name           = NULL,
  90         },
  91 };
  92
  93 FILE *get_f_out()
  94 {
  95         return f_out;
  96 }
  97
  98 FILE *get_f_err()
  99 {
 100         return f_err;
 101 }
 102
 103 /*
 104  * Return a free job structure.
 105  */
 106 static struct thread_data *get_new_job(int global, struct thread_data *parent)
 107 {
 108         struct thread_data *td;
 109
 110         if (global)
 111                 return &def_thread;
 112         if (thread_number >= max_jobs)
 113                 return NULL;
 114
 115         td = &threads[thread_number++];
 116         *td = *parent;
 117
 118         dup_files(td, parent);
 119         options_mem_dupe(td);
 120
 121         td->thread_number = thread_number;
 122         return td;
 123 }
 124
 125 static void put_job(struct thread_data *td)
 126 {
 127         if (td == &def_thread)
 128                 return;
 129
 130         if (td->error)
 131                 log_info("fio: %s\n", td->verror);
 132
 133         memset(&threads[td->thread_number - 1], 0, sizeof(*td));
 134         thread_number--;
 135 }
 136
 137 static int setup_rate(struct thread_data *td)
 138 {
 139         unsigned long nr_reads_per_msec;
 140         unsigned long long rate;
 141         unsigned int bs;
 142
 143         if (!td->o.rate && !td->o.rate_iops)
 144                 return 0;
 145
 146         if (td_rw(td))
 147                 bs = td->o.rw_min_bs;
 148         else if (td_read(td))
 149                 bs = td->o.min_bs[DDIR_READ];
 150         else
 151                 bs = td->o.min_bs[DDIR_WRITE];
 152
 153         if (td->o.rate) {
 154                 rate = td->o.rate;
 155                 nr_reads_per_msec = (rate * 1024 * 1000LL) / bs;
 156         } else
 157                 nr_reads_per_msec = td->o.rate_iops * 1000UL;
 158
 159         if (!nr_reads_per_msec) {
 160                 log_err("rate lower than supported\n");
 161                 return -1;
 162         }
 163
 164         td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec;
 165         td->rate_pending_usleep = 0;
 166         return 0;
 167 }
 168
 169 /*
 170  * Lazy way of fixing up options that depend on each other. We could also
 171  * define option callback handlers, but this is easier.
 172  */
 173 static int fixup_options(struct thread_data *td)
 174 {
 175         struct thread_options *o = &td->o;
 176
 177         if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100)
 178                 o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ];
 179
 180         if (o->write_iolog_file && o->read_iolog_file) {
 181                 log_err("fio: read iolog overrides write_iolog\n");
 182                 free(o->write_iolog_file);
 183                 o->write_iolog_file = NULL;
 184         }
 185
 186         if (td->io_ops->flags & FIO_SYNCIO)
 187                 o->iodepth = 1;
 188         else {
 189                 if (!o->iodepth)
 190                         o->iodepth = o->open_files;
 191         }
 192
 193         /*
 194          * only really works for sequential io for now, and with 1 file
 195          */
 196         if (o->zone_size && td_random(td) && o->open_files == 1)
 197                 o->zone_size = 0;
 198
 199         /*
 200          * Reads can do overwrites, we always need to pre-create the file
 201          */
 202         if (td_read(td) || td_rw(td))
 203                 o->overwrite = 1;
 204
 205         if (!o->min_bs[DDIR_READ])
 206                 o->min_bs[DDIR_READ]= o->bs[DDIR_READ];
 207         if (!o->max_bs[DDIR_READ])
 208                 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
 209         if (!o->min_bs[DDIR_WRITE])
 210                 o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE];
 211         if (!o->max_bs[DDIR_WRITE])
 212                 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
 213
 214         o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
 215
 216         if (!o->file_size_high)
 217                 o->file_size_high = o->file_size_low;
 218
 219         if (td_read(td) && !td_rw(td))
 220                 o->verify = 0;
 221
 222         if (o->norandommap && o->verify != VERIFY_NONE) {
 223                 log_err("fio: norandommap given, verify disabled\n");
 224                 o->verify = VERIFY_NONE;
 225         }
 226         if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
 227                 log_err("fio: bs_unaligned may not work with raw io\n");
 228
 229         /*
 230          * thinktime_spin must be less than thinktime
 231          */
 232         if (o->thinktime_spin > o->thinktime)
 233                 o->thinktime_spin = o->thinktime;
 234
 235         /*
 236          * The low water mark cannot be bigger than the iodepth
 237          */
 238         if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
 239                 /*
 240                  * syslet work around - if the workload is sequential,
 241                  * we want to let the queue drain all the way down to
 242                  * avoid seeking between async threads
 243                  */
 244                 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
 245                         o->iodepth_low = 1;
 246                 else
 247                         o->iodepth_low = o->iodepth;
 248         }
 249
 250         /*
 251          * If batch number isn't set, default to the same as iodepth
 252          */
 253         if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
 254                 o->iodepth_batch = o->iodepth;
 255
 256         if (o->nr_files > td->files_index)
 257                 o->nr_files = td->files_index;
 258
 259         if (o->open_files > o->nr_files || !o->open_files)
 260                 o->open_files = o->nr_files;
 261
 262         if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) {
 263                 log_err("fio: rate and rate_iops are mutually exclusive\n");
 264                 return 1;
 265         }
 266         if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) {
 267                 log_err("fio: minimum rate exceeds rate\n");
 268                 return 1;
 269         }
 270
 271         return 0;
 272 }
 273
 274 /*
 275  * This function leaks the buffer
 276  */
 277 static char *to_kmg(unsigned int val)
 278 {
 279         char *buf = malloc(32);
 280         char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
 281         char *p = post;
 282
 283         do {
 284                 if (val & 1023)
 285                         break;
 286
 287                 val >>= 10;
 288                 p++;
 289         } while (*p);
 290
 291         snprintf(buf, 31, "%u%c", val, *p);
 292         return buf;
 293 }
 294
 295 /* External engines are specified by "external:name.o") */
 296 static const char *get_engine_name(const char *str)
 297 {
 298         char *p = strstr(str, ":");
 299
 300         if (!p)
 301                 return str;
 302
 303         p++;
 304         strip_blank_front(&p);
 305         strip_blank_end(p);
 306         return p;
 307 }
 308
 309 static int exists_and_not_file(const char *filename)
 310 {
 311         struct stat sb;
 312
 313         if (lstat(filename, &sb) == -1)
 314                 return 0;
 315
 316         if (S_ISREG(sb.st_mode))
 317                 return 0;
 318
 319         return 1;
 320 }
 321
 322 /*
 323  * Initialize the various random states we need (random io, block size ranges,
 324  * read/write mix, etc).
 325  */
 326 static int init_random_state(struct thread_data *td)
 327 {
 328         unsigned long seeds[6];
 329         int fd;
 330
 331         fd = open("/dev/urandom", O_RDONLY);
 332         if (fd == -1) {
 333                 td_verror(td, errno, "open");
 334                 return 1;
 335         }
 336
 337         if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
 338                 td_verror(td, EIO, "read");
 339                 close(fd);
 340                 return 1;
 341         }
 342
 343         close(fd);
 344
 345         os_random_seed(seeds[0], &td->bsrange_state);
 346         os_random_seed(seeds[1], &td->verify_state);
 347         os_random_seed(seeds[2], &td->rwmix_state);
 348
 349         if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
 350                 os_random_seed(seeds[3], &td->next_file_state);
 351
 352         os_random_seed(seeds[5], &td->file_size_state);
 353
 354         if (!td_random(td))
 355                 return 0;
 356
 357         if (td->o.rand_repeatable)
 358                 seeds[4] = FIO_RANDSEED * td->thread_number;
 359
 360         os_random_seed(seeds[4], &td->random_state);
 361         return 0;
 362 }
 363
 364 /*
 365  * Adds a job to the list of things todo. Sanitizes the various options
 366  * to make sure we don't have conflicts, and initializes various
 367  * members of td.
 368  */
 369 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 370 {
 371         const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
 372                                    "randread", "randwrite", "randrw" };
 373         unsigned int i;
 374         const char *engine;
 375         char fname[PATH_MAX];
 376         int numjobs, file_alloced;
 377
 378         /*
 379          * the def_thread is just for options, it's not a real job
 380          */
 381         if (td == &def_thread)
 382                 return 0;
 383
 384         engine = get_engine_name(td->o.ioengine);
 385         td->io_ops = load_ioengine(td, engine);
 386         if (!td->io_ops) {
 387                 log_err("fio: failed to load engine %s\n", engine);
 388                 goto err;
 389         }
 390
 391         if (td->o.use_thread)
 392                 nr_thread++;
 393         else
 394                 nr_process++;
 395
 396         if (td->o.odirect)
 397                 td->io_ops->flags |= FIO_RAWIO;
 398
 399         file_alloced = 0;
 400         if (!td->o.filename && !td->files_index) {
 401                 file_alloced = 1;
 402
 403                 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
 404                         add_file(td, jobname);
 405                 else {
 406                         for (i = 0; i < td->o.nr_files; i++) {
 407                                 sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i);
 408                                 add_file(td, fname);
 409                         }
 410                 }
 411         }
 412
 413         if (fixup_options(td))
 414                 goto err;
 415
 416         td->mutex = fio_sem_init(0);
 417
 418         td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
 419         td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
 420         td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
 421         td->ddir_nr = td->o.ddir_nr;
 422
 423         if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group)
 424              && prev_group_jobs) {
 425                 prev_group_jobs = 0;
 426                 groupid++;
 427         }
 428
 429         td->groupid = groupid;
 430         prev_group_jobs++;
 431
 432         if (init_random_state(td))
 433                 goto err;
 434
 435         if (setup_rate(td))
 436                 goto err;
 437
 438         if (td->o.write_lat_log) {
 439                 setup_log(&td->ts.slat_log);
 440                 setup_log(&td->ts.clat_log);
 441         }
 442         if (td->o.write_bw_log)
 443                 setup_log(&td->ts.bw_log);
 444
 445         if (!td->o.name)
 446                 td->o.name = strdup(jobname);
 447
 448         if (!terse_output) {
 449                 if (!job_add_num) {
 450                         if (!strcmp(td->io_ops->name, "cpuio"))
 451                                 log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle);
 452                         else {
 453                                 char *c1, *c2, *c3, *c4;
 454
 455                                 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
 456                                 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
 457                                 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
 458                                 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
 459
 460                                 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->o.name, td->groupid, ddir_str[td->o.td_ddir], c1, c2, c3, c4, td->io_ops->name, td->o.iodepth);
 461
 462                                 free(c1);
 463                                 free(c2);
 464                                 free(c3);
 465                                 free(c4);
 466                         }
 467                 } else if (job_add_num == 1)
 468                         log_info("...\n");
 469         }
 470
 471         /*
 472          * recurse add identical jobs, clear numjobs and stonewall options
 473          * as they don't apply to sub-jobs
 474          */
 475         numjobs = td->o.numjobs;
 476         while (--numjobs) {
 477                 struct thread_data *td_new = get_new_job(0, td);
 478
 479                 if (!td_new)
 480                         goto err;
 481
 482                 td_new->o.numjobs = 1;
 483                 td_new->o.stonewall = 0;
 484                 td_new->o.new_group = 0;
 485
 486                 if (file_alloced) {
 487                         td_new->o.filename = NULL;
 488                         td_new->files_index = 0;
 489                         td_new->files = NULL;
 490                 }
 491
 492                 job_add_num = numjobs - 1;
 493
 494                 if (add_job(td_new, jobname, job_add_num))
 495                         goto err;
 496         }
 497
 498         return 0;
 499 err:
 500         put_job(td);
 501         return -1;
 502 }
 503
 504 static int is_empty_or_comment(char *line)
 505 {
 506         unsigned int i;
 507
 508         for (i = 0; i < strlen(line); i++) {
 509                 if (line[i] == ';')
 510                         return 1;
 511                 if (line[i] == '#')
 512                         return 1;
 513                 if (!isspace(line[i]) && !iscntrl(line[i]))
 514                         return 0;
 515         }
 516
 517         return 1;
 518 }
 519
 520 /*
 521  * This is our [ini] type file parser.
 522  */
 523 static int parse_jobs_ini(char *file, int stonewall_flag)
 524 {
 525         unsigned int global;
 526         struct thread_data *td;
 527         char *string, *name;
 528         fpos_t off;
 529         FILE *f;
 530         char *p;
 531         int ret = 0, stonewall;
 532
 533         f = fopen(file, "r");
 534         if (!f) {
 535                 perror("fopen job file");
 536                 return 1;
 537         }
 538
 539         string = malloc(4096);
 540         name = malloc(256);
 541         memset(name, 0, 256);
 542
 543         stonewall = stonewall_flag;
 544         do {
 545                 p = fgets(string, 4095, f);
 546                 if (!p)
 547                         break;
 548
 549                 strip_blank_front(&p);
 550                 strip_blank_end(p);
 551
 552                 if (is_empty_or_comment(p))
 553                         continue;
 554                 if (sscanf(p, "[%255s]", name) != 1) {
 555                         log_err("fio: option <%s> outside of job section\n", p);
 556                         continue;
 557                 }
 558
 559                 global = !strncmp(name, "global", 6);
 560
 561                 name[strlen(name) - 1] = '\0';
 562
 563                 td = get_new_job(global, &def_thread);
 564                 if (!td) {
 565                         ret = 1;
 566                         break;
 567                 }
 568
 569                 /*
 570                  * Seperate multiple job files by a stonewall
 571                  */
 572                 if (!global && stonewall) {
 573                         td->o.stonewall = stonewall;
 574                         stonewall = 0;
 575                 }
 576
 577                 fgetpos(f, &off);
 578                 while ((p = fgets(string, 4096, f)) != NULL) {
 579                         if (is_empty_or_comment(p))
 580                                 continue;
 581
 582                         strip_blank_front(&p);
 583
 584                         if (p[0] == '[')
 585                                 break;
 586
 587                         strip_blank_end(p);
 588
 589                         fgetpos(f, &off);
 590
 591                         /*
 592                          * Don't break here, continue parsing options so we
 593                          * dump all the bad ones. Makes trial/error fixups
 594                          * easier on the user.
 595                          */
 596                         ret |= fio_option_parse(td, p);
 597                 }
 598
 599                 if (!ret) {
 600                         fsetpos(f, &off);
 601                         ret = add_job(td, name, 0);
 602                 } else {
 603                         log_err("fio: job %s dropped\n", name);
 604                         put_job(td);
 605                 }
 606         } while (!ret);
 607
 608         free(string);
 609         free(name);
 610         fclose(f);
 611         return ret;
 612 }
 613
 614 static int fill_def_thread(void)
 615 {
 616         memset(&def_thread, 0, sizeof(def_thread));
 617
 618         if (fio_getaffinity(getpid(), &def_thread.o.cpumask) == -1) {
 619                 perror("sched_getaffinity");
 620                 return 1;
 621         }
 622
 623         /*
 624          * fill default options
 625          */
 626         fio_fill_default_options(&def_thread);
 627
 628         def_thread.o.timeout = def_timeout;
 629         def_thread.o.write_bw_log = write_bw_log;
 630         def_thread.o.write_lat_log = write_lat_log;
 631
 632 #ifdef FIO_HAVE_DISK_UTIL
 633         def_thread.o.do_disk_util = 1;
 634 #endif
 635
 636         return 0;
 637 }
 638
 639 static void free_shm(void)
 640 {
 641         struct shmid_ds sbuf;
 642
 643         if (threads) {
 644                 shmdt((void *) threads);
 645                 threads = NULL;
 646                 shmctl(shm_id, IPC_RMID, &sbuf);
 647         }
 648 }
 649
 650 /*
 651  * The thread area is shared between the main process and the job
 652  * threads/processes. So setup a shared memory segment that will hold
 653  * all the job info.
 654  */
 655 static int setup_thread_area(void)
 656 {
 657         /*
 658          * 1024 is too much on some machines, scale max_jobs if
 659          * we get a failure that looks like too large a shm segment
 660          */
 661         do {
 662                 size_t size = max_jobs * sizeof(struct thread_data);
 663
 664                 shm_id = shmget(0, size, IPC_CREAT | 0600);
 665                 if (shm_id != -1)
 666                         break;
 667                 if (errno != EINVAL) {
 668                         perror("shmget");
 669                         break;
 670                 }
 671
 672                 max_jobs >>= 1;
 673         } while (max_jobs);
 674
 675         if (shm_id == -1)
 676                 return 1;
 677
 678         threads = shmat(shm_id, NULL, 0);
 679         if (threads == (void *) -1) {
 680                 perror("shmat");
 681                 return 1;
 682         }
 683
 684         atexit(free_shm);
 685         return 0;
 686 }
 687
 688 static void usage(void)
 689 {
 690         printf("%s\n", fio_version_string);
 691         printf("\t--output\tWrite output to file\n");
 692         printf("\t--timeout\tRuntime in seconds\n");
 693         printf("\t--latency-log\tGenerate per-job latency logs\n");
 694         printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
 695         printf("\t--minimal\tMinimal (terse) output\n");
 696         printf("\t--version\tPrint version info and exit\n");
 697         printf("\t--help\t\tPrint this page\n");
 698         printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n");
 699 }
 700
 701 static int parse_cmd_line(int argc, char *argv[])
 702 {
 703         struct thread_data *td = NULL;
 704         int c, ini_idx = 0, lidx, ret, dont_add_job = 0;
 705
 706         while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) {
 707                 switch (c) {
 708                 case 't':
 709                         def_timeout = atoi(optarg);
 710                         break;
 711                 case 'l':
 712                         write_lat_log = 1;
 713                         break;
 714                 case 'w':
 715                         write_bw_log = 1;
 716                         break;
 717                 case 'o':
 718                         f_out = fopen(optarg, "w+");
 719                         if (!f_out) {
 720                                 perror("fopen output");
 721                                 exit(1);
 722                         }
 723                         f_err = f_out;
 724                         break;
 725                 case 'm':
 726                         terse_output = 1;
 727                         break;
 728                 case 'h':
 729                         usage();
 730                         exit(0);
 731                 case 'c':
 732                         exit(fio_show_option_help(optarg));
 733                 case 'v':
 734                         printf("%s\n", fio_version_string);
 735                         exit(0);
 736                 case FIO_GETOPT_JOB: {
 737                         const char *opt = long_options[lidx].name;
 738                         char *val = optarg;
 739
 740                         if (!strncmp(opt, "name", 4) && td) {
 741                                 ret = add_job(td, td->o.name ?: "fio", 0);
 742                                 if (ret) {
 743                                         put_job(td);
 744                                         return 0;
 745                                 }
 746                                 td = NULL;
 747                         }
 748                         if (!td) {
 749                                 int global = !strncmp(val, "global", 6);
 750
 751                                 td = get_new_job(global, &def_thread);
 752                                 if (!td)
 753                                         return 0;
 754                         }
 755
 756                         ret = fio_cmd_option_parse(td, opt, val);
 757                         if (ret)
 758                                 dont_add_job = 1;
 759                         break;
 760                 }
 761                 default:
 762                         break;
 763                 }
 764         }
 765
 766         if (td) {
 767                 if (dont_add_job)
 768                         put_job(td);
 769                 else {
 770                         ret = add_job(td, td->o.name ?: "fio", 0);
 771                         if (ret)
 772                                 put_job(td);
 773                 }
 774         }
 775
 776         while (optind < argc) {
 777                 ini_idx++;
 778                 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
 779                 ini_file[ini_idx - 1] = strdup(argv[optind]);
 780                 optind++;
 781         }
 782
 783         return ini_idx;
 784 }
 785
 786
 787 int parse_options(int argc, char *argv[])
 788 {
 789         int job_files, i;
 790
 791         f_out = stdout;
 792         f_err = stderr;
 793
 794         fio_options_dup_and_init(long_options);
 795
 796         if (setup_thread_area())
 797                 return 1;
 798         if (fill_def_thread())
 799                 return 1;
 800
 801         job_files = parse_cmd_line(argc, argv);
 802
 803         for (i = 0; i < job_files; i++) {
 804                 if (fill_def_thread())
 805                         return 1;
 806                 if (parse_jobs_ini(ini_file[i], i))
 807                         return 1;
 808                 free(ini_file[i]);
 809         }
 810
 811         free(ini_file);
 812         options_mem_free(&def_thread);
 813
 814         if (!thread_number) {
 815                 log_err("No jobs defined(s)\n");
 816                 return 1;
 817         }
 818
 819         return 0;
 820 }