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 1.14a";
  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         td->thread_number = thread_number;
 119         return td;
 120 }
 121
 122 static void put_job(struct thread_data *td)
 123 {
 124         if (td == &def_thread)
 125                 return;
 126
 127         if (td->error)
 128                 log_info("fio: %s\n", td->verror);
 129
 130         memset(&threads[td->thread_number - 1], 0, sizeof(*td));
 131         thread_number--;
 132 }
 133
 134 static int setup_rate(struct thread_data *td)
 135 {
 136         unsigned long nr_reads_per_msec;
 137         unsigned long long rate;
 138         unsigned int bs;
 139
 140         if (!td->o.rate && !td->o.rate_iops)
 141                 return 0;
 142
 143         if (td_rw(td))
 144                 bs = td->o.rw_min_bs;
 145         else if (td_read(td))
 146                 bs = td->o.min_bs[DDIR_READ];
 147         else
 148                 bs = td->o.min_bs[DDIR_WRITE];
 149
 150         if (td->o.rate) {
 151                 rate = td->o.rate;
 152                 nr_reads_per_msec = (rate * 1024 * 1000LL) / bs;
 153         } else
 154                 nr_reads_per_msec = td->o.rate_iops * 1000UL;
 155
 156         if (!nr_reads_per_msec) {
 157                 log_err("rate lower than supported\n");
 158                 return -1;
 159         }
 160
 161         td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec;
 162         td->rate_pending_usleep = 0;
 163         return 0;
 164 }
 165
 166 /*
 167  * Lazy way of fixing up options that depend on each other. We could also
 168  * define option callback handlers, but this is easier.
 169  */
 170 static int fixup_options(struct thread_data *td)
 171 {
 172         struct thread_options *o = &td->o;
 173
 174         if (!o->rwmixread && o->rwmixwrite)
 175                 o->rwmixread = 100 - o->rwmixwrite;
 176
 177         if (o->write_iolog_file && o->read_iolog_file) {
 178                 log_err("fio: read iolog overrides write_iolog\n");
 179                 free(o->write_iolog_file);
 180                 o->write_iolog_file = NULL;
 181         }
 182
 183         if (td->io_ops->flags & FIO_SYNCIO)
 184                 o->iodepth = 1;
 185         else {
 186                 if (!o->iodepth)
 187                         o->iodepth = o->open_files;
 188         }
 189
 190         /*
 191          * only really works for sequential io for now, and with 1 file
 192          */
 193         if (o->zone_size && td_random(td) && o->open_files == 1)
 194                 o->zone_size = 0;
 195
 196         /*
 197          * Reads can do overwrites, we always need to pre-create the file
 198          */
 199         if (td_read(td) || td_rw(td))
 200                 o->overwrite = 1;
 201
 202         if (!o->min_bs[DDIR_READ])
 203                 o->min_bs[DDIR_READ]= o->bs[DDIR_READ];
 204         if (!o->max_bs[DDIR_READ])
 205                 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
 206         if (!o->min_bs[DDIR_WRITE])
 207                 o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE];
 208         if (!o->max_bs[DDIR_WRITE])
 209                 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
 210
 211         o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
 212
 213         if (!o->file_size_high)
 214                 o->file_size_high = o->file_size_low;
 215
 216         if (td_read(td) && !td_rw(td))
 217                 o->verify = 0;
 218
 219         if (o->norandommap && o->verify != VERIFY_NONE) {
 220                 log_err("fio: norandommap given, verify disabled\n");
 221                 o->verify = VERIFY_NONE;
 222         }
 223         if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
 224                 log_err("fio: bs_unaligned may not work with raw io\n");
 225
 226         /*
 227          * thinktime_spin must be less than thinktime
 228          */
 229         if (o->thinktime_spin > o->thinktime)
 230                 o->thinktime_spin = o->thinktime;
 231
 232         /*
 233          * The low water mark cannot be bigger than the iodepth
 234          */
 235         if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
 236                 /*
 237                  * syslet work around - if the workload is sequential,
 238                  * we want to let the queue drain all the way down to
 239                  * avoid seeking between async threads
 240                  */
 241                 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
 242                         o->iodepth_low = 1;
 243                 else
 244                         o->iodepth_low = o->iodepth;
 245         }
 246
 247         /*
 248          * If batch number isn't set, default to the same as iodepth
 249          */
 250         if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
 251                 o->iodepth_batch = o->iodepth;
 252
 253         if (o->nr_files > td->files_index)
 254                 o->nr_files = td->files_index;
 255
 256         if (o->open_files > o->nr_files || !o->open_files)
 257                 o->open_files = o->nr_files;
 258
 259         if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) {
 260                 log_err("fio: rate and rate_iops are mutually exclusive\n");
 261                 return 1;
 262         }
 263         if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) {
 264                 log_err("fio: minimum rate exceeds rate\n");
 265                 return 1;
 266         }
 267
 268         return 0;
 269 }
 270
 271 /*
 272  * This function leaks the buffer
 273  */
 274 static char *to_kmg(unsigned int val)
 275 {
 276         char *buf = malloc(32);
 277         char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
 278         char *p = post;
 279
 280         do {
 281                 if (val & 1023)
 282                         break;
 283
 284                 val >>= 10;
 285                 p++;
 286         } while (*p);
 287
 288         snprintf(buf, 31, "%u%c", val, *p);
 289         return buf;
 290 }
 291
 292 /* External engines are specified by "external:name.o") */
 293 static const char *get_engine_name(const char *str)
 294 {
 295         char *p = strstr(str, ":");
 296
 297         if (!p)
 298                 return str;
 299
 300         p++;
 301         strip_blank_front(&p);
 302         strip_blank_end(p);
 303         return p;
 304 }
 305
 306 static int exists_and_not_file(const char *filename)
 307 {
 308         struct stat sb;
 309
 310         if (lstat(filename, &sb) == -1)
 311                 return 0;
 312
 313         if (S_ISREG(sb.st_mode))
 314                 return 0;
 315
 316         return 1;
 317 }
 318
 319 /*
 320  * Initialize the various random states we need (random io, block size ranges,
 321  * read/write mix, etc).
 322  */
 323 static int init_random_state(struct thread_data *td)
 324 {
 325         unsigned long seeds[6];
 326         int fd, num_maps, blocks;
 327         struct fio_file *f;
 328         unsigned int i;
 329
 330         fd = open("/dev/urandom", O_RDONLY);
 331         if (fd == -1) {
 332                 td_verror(td, errno, "open");
 333                 return 1;
 334         }
 335
 336         if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
 337                 td_verror(td, EIO, "read");
 338                 close(fd);
 339                 return 1;
 340         }
 341
 342         close(fd);
 343
 344         os_random_seed(seeds[0], &td->bsrange_state);
 345         os_random_seed(seeds[1], &td->verify_state);
 346         os_random_seed(seeds[2], &td->rwmix_state);
 347
 348         if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
 349                 os_random_seed(seeds[3], &td->next_file_state);
 350
 351         os_random_seed(seeds[5], &td->file_size_state);
 352
 353         if (!td_random(td))
 354                 return 0;
 355
 356         if (td->o.rand_repeatable)
 357                 seeds[4] = FIO_RANDSEED * td->thread_number;
 358
 359         if (!td->o.norandommap) {
 360                 for_each_file(td, f, i) {
 361                         blocks = (f->real_file_size + td->o.rw_min_bs - 1) / td->o.rw_min_bs;
 362                         num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP;
 363                         f->file_map = malloc(num_maps * sizeof(long));
 364                         if (!f->file_map) {
 365                                 log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n");
 366                                 return 1;
 367                         }
 368                         f->num_maps = num_maps;
 369                         memset(f->file_map, 0, num_maps * sizeof(long));
 370                 }
 371         }
 372
 373         os_random_seed(seeds[4], &td->random_state);
 374         return 0;
 375 }
 376
 377
 378 /*
 379  * Adds a job to the list of things todo. Sanitizes the various options
 380  * to make sure we don't have conflicts, and initializes various
 381  * members of td.
 382  */
 383 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 384 {
 385         const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
 386                                    "randread", "randwrite", "randrw" };
 387         unsigned int i;
 388         struct fio_file *f;
 389         const char *engine;
 390         char fname[PATH_MAX];
 391         int numjobs, file_alloced;
 392
 393         /*
 394          * the def_thread is just for options, it's not a real job
 395          */
 396         if (td == &def_thread)
 397                 return 0;
 398
 399         engine = get_engine_name(td->o.ioengine);
 400         td->io_ops = load_ioengine(td, engine);
 401         if (!td->io_ops) {
 402                 log_err("fio: failed to load engine %s\n", engine);
 403                 goto err;
 404         }
 405
 406         if (td->o.use_thread)
 407                 nr_thread++;
 408         else
 409                 nr_process++;
 410
 411         if (td->o.odirect)
 412                 td->io_ops->flags |= FIO_RAWIO;
 413
 414         file_alloced = 0;
 415         if (!td->o.filename && !td->files_index) {
 416                 file_alloced = 1;
 417
 418                 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
 419                         add_file(td, jobname);
 420                 else {
 421                         for (i = 0; i < td->o.nr_files; i++) {
 422                                 sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i);
 423                                 add_file(td, fname);
 424                         }
 425                 }
 426         }
 427
 428         if (fixup_options(td))
 429                 goto err;
 430
 431         for_each_file(td, f, i) {
 432                 if (td->o.directory && f->filetype == FIO_TYPE_FILE) {
 433                         sprintf(fname, "%s/%s", td->o.directory, f->file_name);
 434                         f->file_name = strdup(fname);
 435                 }
 436         }
 437
 438         td->mutex = fio_sem_init(0);
 439
 440         td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
 441         td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
 442         td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
 443
 444         if ((td->o.stonewall || td->o.numjobs > 1) && prev_group_jobs) {
 445                 prev_group_jobs = 0;
 446                 groupid++;
 447         }
 448
 449         td->groupid = groupid;
 450         prev_group_jobs++;
 451
 452         if (init_random_state(td))
 453                 goto err;
 454
 455         if (setup_rate(td))
 456                 goto err;
 457
 458         if (td->o.write_lat_log) {
 459                 setup_log(&td->ts.slat_log);
 460                 setup_log(&td->ts.clat_log);
 461         }
 462         if (td->o.write_bw_log)
 463                 setup_log(&td->ts.bw_log);
 464
 465         if (!td->o.name)
 466                 td->o.name = strdup(jobname);
 467
 468         if (!terse_output) {
 469                 if (!job_add_num) {
 470                         if (!strcmp(td->io_ops->name, "cpuio"))
 471                                 log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle);
 472                         else {
 473                                 char *c1, *c2, *c3, *c4;
 474
 475                                 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
 476                                 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
 477                                 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
 478                                 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
 479
 480                                 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);
 481
 482                                 free(c1);
 483                                 free(c2);
 484                                 free(c3);
 485                                 free(c4);
 486                         }
 487                 } else if (job_add_num == 1)
 488                         log_info("...\n");
 489         }
 490
 491         /*
 492          * recurse add identical jobs, clear numjobs and stonewall options
 493          * as they don't apply to sub-jobs
 494          */
 495         numjobs = td->o.numjobs;
 496         while (--numjobs) {
 497                 struct thread_data *td_new = get_new_job(0, td);
 498
 499                 if (!td_new)
 500                         goto err;
 501
 502                 td_new->o.numjobs = 1;
 503                 td_new->o.stonewall = 0;
 504
 505                 if (file_alloced) {
 506                         td_new->o.filename = NULL;
 507                         td_new->files_index = 0;
 508                         td_new->files = NULL;
 509                 }
 510
 511                 job_add_num = numjobs - 1;
 512
 513                 if (add_job(td_new, jobname, job_add_num))
 514                         goto err;
 515         }
 516
 517         if (td->o.numjobs > 1) {
 518                 groupid++;
 519                 prev_group_jobs = 0;
 520         }
 521
 522         return 0;
 523 err:
 524         put_job(td);
 525         return -1;
 526 }
 527
 528 static int is_empty_or_comment(char *line)
 529 {
 530         unsigned int i;
 531
 532         for (i = 0; i < strlen(line); i++) {
 533                 if (line[i] == ';')
 534                         return 1;
 535                 if (line[i] == '#')
 536                         return 1;
 537                 if (!isspace(line[i]) && !iscntrl(line[i]))
 538                         return 0;
 539         }
 540
 541         return 1;
 542 }
 543
 544 /*
 545  * This is our [ini] type file parser.
 546  */
 547 static int parse_jobs_ini(char *file, int stonewall_flag)
 548 {
 549         unsigned int global;
 550         struct thread_data *td;
 551         char *string, *name;
 552         fpos_t off;
 553         FILE *f;
 554         char *p;
 555         int ret = 0, stonewall;
 556
 557         f = fopen(file, "r");
 558         if (!f) {
 559                 perror("fopen job file");
 560                 return 1;
 561         }
 562
 563         string = malloc(4096);
 564         name = malloc(256);
 565         memset(name, 0, 256);
 566
 567         stonewall = stonewall_flag;
 568         do {
 569                 p = fgets(string, 4095, f);
 570                 if (!p)
 571                         break;
 572                 if (is_empty_or_comment(p))
 573                         continue;
 574                 if (sscanf(p, "[%255s]", name) != 1)
 575                         continue;
 576
 577                 global = !strncmp(name, "global", 6);
 578
 579                 name[strlen(name) - 1] = '\0';
 580
 581                 td = get_new_job(global, &def_thread);
 582                 if (!td) {
 583                         ret = 1;
 584                         break;
 585                 }
 586
 587                 /*
 588                  * Seperate multiple job files by a stonewall
 589                  */
 590                 if (!global && stonewall) {
 591                         td->o.stonewall = stonewall;
 592                         stonewall = 0;
 593                 }
 594
 595                 fgetpos(f, &off);
 596                 while ((p = fgets(string, 4096, f)) != NULL) {
 597                         if (is_empty_or_comment(p))
 598                                 continue;
 599
 600                         strip_blank_front(&p);
 601
 602                         if (p[0] == '[')
 603                                 break;
 604
 605                         strip_blank_end(p);
 606
 607                         fgetpos(f, &off);
 608
 609                         /*
 610                          * Don't break here, continue parsing options so we
 611                          * dump all the bad ones. Makes trial/error fixups
 612                          * easier on the user.
 613                          */
 614                         ret |= fio_option_parse(td, p);
 615                 }
 616
 617                 if (!ret) {
 618                         fsetpos(f, &off);
 619                         ret = add_job(td, name, 0);
 620                 } else {
 621                         log_err("fio: job %s dropped\n", name);
 622                         put_job(td);
 623                 }
 624         } while (!ret);
 625
 626         free(string);
 627         free(name);
 628         fclose(f);
 629         return ret;
 630 }
 631
 632 static int fill_def_thread(void)
 633 {
 634         memset(&def_thread, 0, sizeof(def_thread));
 635
 636         if (fio_getaffinity(getpid(), &def_thread.o.cpumask) == -1) {
 637                 perror("sched_getaffinity");
 638                 return 1;
 639         }
 640
 641         /*
 642          * fill default options
 643          */
 644         fio_fill_default_options(&def_thread);
 645
 646         def_thread.o.timeout = def_timeout;
 647         def_thread.o.write_bw_log = write_bw_log;
 648         def_thread.o.write_lat_log = write_lat_log;
 649
 650 #ifdef FIO_HAVE_DISK_UTIL
 651         def_thread.o.do_disk_util = 1;
 652 #endif
 653
 654         return 0;
 655 }
 656
 657 static void free_shm(void)
 658 {
 659         struct shmid_ds sbuf;
 660
 661         if (threads) {
 662                 shmdt((void *) threads);
 663                 threads = NULL;
 664                 shmctl(shm_id, IPC_RMID, &sbuf);
 665         }
 666 }
 667
 668 /*
 669  * The thread area is shared between the main process and the job
 670  * threads/processes. So setup a shared memory segment that will hold
 671  * all the job info.
 672  */
 673 static int setup_thread_area(void)
 674 {
 675         /*
 676          * 1024 is too much on some machines, scale max_jobs if
 677          * we get a failure that looks like too large a shm segment
 678          */
 679         do {
 680                 size_t size = max_jobs * sizeof(struct thread_data);
 681
 682                 shm_id = shmget(0, size, IPC_CREAT | 0600);
 683                 if (shm_id != -1)
 684                         break;
 685                 if (errno != EINVAL) {
 686                         perror("shmget");
 687                         break;
 688                 }
 689
 690                 max_jobs >>= 1;
 691         } while (max_jobs);
 692
 693         if (shm_id == -1)
 694                 return 1;
 695
 696         threads = shmat(shm_id, NULL, 0);
 697         if (threads == (void *) -1) {
 698                 perror("shmat");
 699                 return 1;
 700         }
 701
 702         atexit(free_shm);
 703         return 0;
 704 }
 705
 706 static void usage(void)
 707 {
 708         printf("%s\n", fio_version_string);
 709         printf("\t--output\tWrite output to file\n");
 710         printf("\t--timeout\tRuntime in seconds\n");
 711         printf("\t--latency-log\tGenerate per-job latency logs\n");
 712         printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
 713         printf("\t--minimal\tMinimal (terse) output\n");
 714         printf("\t--version\tPrint version info and exit\n");
 715         printf("\t--help\t\tPrint this page\n");
 716         printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n");
 717 }
 718
 719 static int parse_cmd_line(int argc, char *argv[])
 720 {
 721         struct thread_data *td = NULL;
 722         int c, ini_idx = 0, lidx, ret, dont_add_job = 0;
 723
 724         while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) {
 725                 switch (c) {
 726                 case 't':
 727                         def_timeout = atoi(optarg);
 728                         break;
 729                 case 'l':
 730                         write_lat_log = 1;
 731                         break;
 732                 case 'w':
 733                         write_bw_log = 1;
 734                         break;
 735                 case 'o':
 736                         f_out = fopen(optarg, "w+");
 737                         if (!f_out) {
 738                                 perror("fopen output");
 739                                 exit(1);
 740                         }
 741                         f_err = f_out;
 742                         break;
 743                 case 'm':
 744                         terse_output = 1;
 745                         break;
 746                 case 'h':
 747                         usage();
 748                         exit(0);
 749                 case 'c':
 750                         exit(fio_show_option_help(optarg));
 751                 case 'v':
 752                         printf("%s\n", fio_version_string);
 753                         exit(0);
 754                 case FIO_GETOPT_JOB: {
 755                         const char *opt = long_options[lidx].name;
 756                         char *val = optarg;
 757
 758                         if (!strncmp(opt, "name", 4) && td) {
 759                                 ret = add_job(td, td->o.name ?: "fio", 0);
 760                                 if (ret) {
 761                                         put_job(td);
 762                                         return 0;
 763                                 }
 764                                 td = NULL;
 765                         }
 766                         if (!td) {
 767                                 int global = !strncmp(val, "global", 6);
 768
 769                                 td = get_new_job(global, &def_thread);
 770                                 if (!td)
 771                                         return 0;
 772                         }
 773
 774                         ret = fio_cmd_option_parse(td, opt, val);
 775                         if (ret)
 776                                 dont_add_job = 1;
 777                         break;
 778                 }
 779                 default:
 780                         break;
 781                 }
 782         }
 783
 784         if (td) {
 785                 if (dont_add_job)
 786                         put_job(td);
 787                 else {
 788                         ret = add_job(td, td->o.name ?: "fio", 0);
 789                         if (ret)
 790                                 put_job(td);
 791                 }
 792         }
 793
 794         while (optind < argc) {
 795                 ini_idx++;
 796                 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
 797                 ini_file[ini_idx - 1] = strdup(argv[optind]);
 798                 optind++;
 799         }
 800
 801         return ini_idx;
 802 }
 803
 804
 805 int parse_options(int argc, char *argv[])
 806 {
 807         int job_files, i;
 808
 809         f_out = stdout;
 810         f_err = stderr;
 811
 812         fio_options_dup_and_init(long_options);
 813
 814         if (setup_thread_area())
 815                 return 1;
 816         if (fill_def_thread())
 817                 return 1;
 818
 819         job_files = parse_cmd_line(argc, argv);
 820
 821         for (i = 0; i < job_files; i++) {
 822                 if (fill_def_thread())
 823                         return 1;
 824                 if (parse_jobs_ini(ini_file[i], i))
 825                         return 1;
 826                 free(ini_file[i]);
 827         }
 828
 829         free(ini_file);
 830
 831         if (!thread_number) {
 832                 log_err("No jobs defined(s)\n");
 833                 return 1;
 834         }
 835
 836         return 0;
 837 }