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 static int dump_cmdline;
  27
  28 struct thread_data def_thread;
  29 struct thread_data *threads = NULL;
  30
  31 int exitall_on_terminate = 0;
  32 int terse_output = 0;
  33 unsigned long long mlock_size = 0;
  34 FILE *f_out = NULL;
  35 FILE *f_err = NULL;
  36
  37 int write_bw_log = 0;
  38
  39 static int def_timeout = 0;
  40 static int write_lat_log = 0;
  41
  42 static int prev_group_jobs;
  43
  44 /*
  45  * Command line options. These will contain the above, plus a few
  46  * extra that only pertain to fio itself and not jobs.
  47  */
  48 static struct option long_options[FIO_NR_OPTIONS] = {
  49         {
  50                 .name           = "output",
  51                 .has_arg        = required_argument,
  52                 .val            = 'o',
  53         },
  54         {
  55                 .name           = "timeout",
  56                 .has_arg        = required_argument,
  57                 .val            = 't',
  58         },
  59         {
  60                 .name           = "latency-log",
  61                 .has_arg        = required_argument,
  62                 .val            = 'l',
  63         },
  64         {
  65                 .name           = "bandwidth-log",
  66                 .has_arg        = required_argument,
  67                 .val            = 'b',
  68         },
  69         {
  70                 .name           = "minimal",
  71                 .has_arg        = optional_argument,
  72                 .val            = 'm',
  73         },
  74         {
  75                 .name           = "version",
  76                 .has_arg        = no_argument,
  77                 .val            = 'v',
  78         },
  79         {
  80                 .name           = "help",
  81                 .has_arg        = no_argument,
  82                 .val            = 'h',
  83         },
  84         {
  85                 .name           = "cmdhelp",
  86                 .has_arg        = optional_argument,
  87                 .val            = 'c',
  88         },
  89         {
  90                 .name           = "showcmd",
  91                 .has_arg        = no_argument,
  92                 .val            = 's'
  93         },
  94         {
  95                 .name           = NULL,
  96         },
  97 };
  98
  99 FILE *get_f_out()
 100 {
 101         return f_out;
 102 }
 103
 104 FILE *get_f_err()
 105 {
 106         return f_err;
 107 }
 108
 109 /*
 110  * Return a free job structure.
 111  */
 112 static struct thread_data *get_new_job(int global, struct thread_data *parent)
 113 {
 114         struct thread_data *td;
 115
 116         if (global)
 117                 return &def_thread;
 118         if (thread_number >= max_jobs)
 119                 return NULL;
 120
 121         td = &threads[thread_number++];
 122         *td = *parent;
 123
 124         dup_files(td, parent);
 125         options_mem_dupe(td);
 126
 127         td->thread_number = thread_number;
 128         return td;
 129 }
 130
 131 static void put_job(struct thread_data *td)
 132 {
 133         if (td == &def_thread)
 134                 return;
 135
 136         if (td->error)
 137                 log_info("fio: %s\n", td->verror);
 138
 139         memset(&threads[td->thread_number - 1], 0, sizeof(*td));
 140         thread_number--;
 141 }
 142
 143 static int setup_rate(struct thread_data *td)
 144 {
 145         unsigned long nr_reads_per_msec;
 146         unsigned long long rate;
 147         unsigned int bs;
 148
 149         if (!td->o.rate && !td->o.rate_iops)
 150                 return 0;
 151
 152         if (td_rw(td))
 153                 bs = td->o.rw_min_bs;
 154         else if (td_read(td))
 155                 bs = td->o.min_bs[DDIR_READ];
 156         else
 157                 bs = td->o.min_bs[DDIR_WRITE];
 158
 159         if (td->o.rate) {
 160                 rate = td->o.rate;
 161                 nr_reads_per_msec = (rate * 1024 * 1000LL) / bs;
 162         } else
 163                 nr_reads_per_msec = td->o.rate_iops * 1000UL;
 164
 165         if (!nr_reads_per_msec) {
 166                 log_err("rate lower than supported\n");
 167                 return -1;
 168         }
 169
 170         td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec;
 171         td->rate_pending_usleep = 0;
 172         return 0;
 173 }
 174
 175 /*
 176  * Lazy way of fixing up options that depend on each other. We could also
 177  * define option callback handlers, but this is easier.
 178  */
 179 static int fixup_options(struct thread_data *td)
 180 {
 181         struct thread_options *o = &td->o;
 182
 183         if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100)
 184                 o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ];
 185
 186         if (o->write_iolog_file && o->read_iolog_file) {
 187                 log_err("fio: read iolog overrides write_iolog\n");
 188                 free(o->write_iolog_file);
 189                 o->write_iolog_file = NULL;
 190         }
 191
 192         if (td->io_ops->flags & FIO_SYNCIO)
 193                 o->iodepth = 1;
 194         else {
 195                 if (!o->iodepth)
 196                         o->iodepth = o->open_files;
 197         }
 198
 199         /*
 200          * only really works for sequential io for now, and with 1 file
 201          */
 202         if (o->zone_size && td_random(td) && o->open_files == 1)
 203                 o->zone_size = 0;
 204
 205         /*
 206          * Reads can do overwrites, we always need to pre-create the file
 207          */
 208         if (td_read(td) || td_rw(td))
 209                 o->overwrite = 1;
 210
 211         if (!o->min_bs[DDIR_READ])
 212                 o->min_bs[DDIR_READ]= o->bs[DDIR_READ];
 213         if (!o->max_bs[DDIR_READ])
 214                 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
 215         if (!o->min_bs[DDIR_WRITE])
 216                 o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE];
 217         if (!o->max_bs[DDIR_WRITE])
 218                 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
 219
 220         o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
 221
 222         if (!o->file_size_high)
 223                 o->file_size_high = o->file_size_low;
 224
 225         if (td_read(td) && !td_rw(td))
 226                 o->verify = 0;
 227
 228         if (o->norandommap && o->verify != VERIFY_NONE) {
 229                 log_err("fio: norandommap given, verify disabled\n");
 230                 o->verify = VERIFY_NONE;
 231         }
 232         if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
 233                 log_err("fio: bs_unaligned may not work with raw io\n");
 234
 235         /*
 236          * thinktime_spin must be less than thinktime
 237          */
 238         if (o->thinktime_spin > o->thinktime)
 239                 o->thinktime_spin = o->thinktime;
 240
 241         /*
 242          * The low water mark cannot be bigger than the iodepth
 243          */
 244         if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
 245                 /*
 246                  * syslet work around - if the workload is sequential,
 247                  * we want to let the queue drain all the way down to
 248                  * avoid seeking between async threads
 249                  */
 250                 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
 251                         o->iodepth_low = 1;
 252                 else
 253                         o->iodepth_low = o->iodepth;
 254         }
 255
 256         /*
 257          * If batch number isn't set, default to the same as iodepth
 258          */
 259         if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
 260                 o->iodepth_batch = o->iodepth;
 261
 262         if (o->nr_files > td->files_index)
 263                 o->nr_files = td->files_index;
 264
 265         if (o->open_files > o->nr_files || !o->open_files)
 266                 o->open_files = o->nr_files;
 267
 268         if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) {
 269                 log_err("fio: rate and rate_iops are mutually exclusive\n");
 270                 return 1;
 271         }
 272         if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) {
 273                 log_err("fio: minimum rate exceeds rate\n");
 274                 return 1;
 275         }
 276
 277         return 0;
 278 }
 279
 280 /*
 281  * This function leaks the buffer
 282  */
 283 static char *to_kmg(unsigned int val)
 284 {
 285         char *buf = malloc(32);
 286         char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
 287         char *p = post;
 288
 289         do {
 290                 if (val & 1023)
 291                         break;
 292
 293                 val >>= 10;
 294                 p++;
 295         } while (*p);
 296
 297         snprintf(buf, 31, "%u%c", val, *p);
 298         return buf;
 299 }
 300
 301 /* External engines are specified by "external:name.o") */
 302 static const char *get_engine_name(const char *str)
 303 {
 304         char *p = strstr(str, ":");
 305
 306         if (!p)
 307                 return str;
 308
 309         p++;
 310         strip_blank_front(&p);
 311         strip_blank_end(p);
 312         return p;
 313 }
 314
 315 static int exists_and_not_file(const char *filename)
 316 {
 317         struct stat sb;
 318
 319         if (lstat(filename, &sb) == -1)
 320                 return 0;
 321
 322         if (S_ISREG(sb.st_mode))
 323                 return 0;
 324
 325         return 1;
 326 }
 327
 328 /*
 329  * Initialize the various random states we need (random io, block size ranges,
 330  * read/write mix, etc).
 331  */
 332 static int init_random_state(struct thread_data *td)
 333 {
 334         unsigned long seeds[6];
 335         int fd;
 336
 337         fd = open("/dev/urandom", O_RDONLY);
 338         if (fd == -1) {
 339                 td_verror(td, errno, "open");
 340                 return 1;
 341         }
 342
 343         if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
 344                 td_verror(td, EIO, "read");
 345                 close(fd);
 346                 return 1;
 347         }
 348
 349         close(fd);
 350
 351         os_random_seed(seeds[0], &td->bsrange_state);
 352         os_random_seed(seeds[1], &td->verify_state);
 353         os_random_seed(seeds[2], &td->rwmix_state);
 354
 355         if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
 356                 os_random_seed(seeds[3], &td->next_file_state);
 357
 358         os_random_seed(seeds[5], &td->file_size_state);
 359
 360         if (!td_random(td))
 361                 return 0;
 362
 363         if (td->o.rand_repeatable)
 364                 seeds[4] = FIO_RANDSEED * td->thread_number;
 365
 366         os_random_seed(seeds[4], &td->random_state);
 367         return 0;
 368 }
 369
 370 /*
 371  * Adds a job to the list of things todo. Sanitizes the various options
 372  * to make sure we don't have conflicts, and initializes various
 373  * members of td.
 374  */
 375 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 376 {
 377         const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
 378                                    "randread", "randwrite", "randrw" };
 379         unsigned int i;
 380         const char *engine;
 381         char fname[PATH_MAX];
 382         int numjobs, file_alloced;
 383
 384         /*
 385          * the def_thread is just for options, it's not a real job
 386          */
 387         if (td == &def_thread)
 388                 return 0;
 389
 390         /*
 391          * if we are just dumping the output command line, don't add the job
 392          */
 393         if (dump_cmdline) {
 394                 put_job(td);
 395                 return 0;
 396         }
 397
 398         engine = get_engine_name(td->o.ioengine);
 399         td->io_ops = load_ioengine(td, engine);
 400         if (!td->io_ops) {
 401                 log_err("fio: failed to load engine %s\n", engine);
 402                 goto err;
 403         }
 404
 405         if (td->o.use_thread)
 406                 nr_thread++;
 407         else
 408                 nr_process++;
 409
 410         if (td->o.odirect)
 411                 td->io_ops->flags |= FIO_RAWIO;
 412
 413         file_alloced = 0;
 414         if (!td->o.filename && !td->files_index) {
 415                 file_alloced = 1;
 416
 417                 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
 418                         add_file(td, jobname);
 419                 else {
 420                         for (i = 0; i < td->o.nr_files; i++) {
 421                                 sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i);
 422                                 add_file(td, fname);
 423                         }
 424                 }
 425         }
 426
 427         if (fixup_options(td))
 428                 goto err;
 429
 430         td->mutex = fio_sem_init(0);
 431
 432         td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
 433         td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
 434         td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
 435         td->ddir_nr = td->o.ddir_nr;
 436
 437         if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group)
 438              && prev_group_jobs) {
 439                 prev_group_jobs = 0;
 440                 groupid++;
 441         }
 442
 443         td->groupid = groupid;
 444         prev_group_jobs++;
 445
 446         if (init_random_state(td))
 447                 goto err;
 448
 449         if (setup_rate(td))
 450                 goto err;
 451
 452         if (td->o.write_lat_log) {
 453                 setup_log(&td->ts.slat_log);
 454                 setup_log(&td->ts.clat_log);
 455         }
 456         if (td->o.write_bw_log)
 457                 setup_log(&td->ts.bw_log);
 458
 459         if (!td->o.name)
 460                 td->o.name = strdup(jobname);
 461
 462         if (!terse_output) {
 463                 if (!job_add_num) {
 464                         if (!strcmp(td->io_ops->name, "cpuio"))
 465                                 log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle);
 466                         else {
 467                                 char *c1, *c2, *c3, *c4;
 468
 469                                 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
 470                                 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
 471                                 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
 472                                 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
 473
 474                                 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);
 475
 476                                 free(c1);
 477                                 free(c2);
 478                                 free(c3);
 479                                 free(c4);
 480                         }
 481                 } else if (job_add_num == 1)
 482                         log_info("...\n");
 483         }
 484
 485         /*
 486          * recurse add identical jobs, clear numjobs and stonewall options
 487          * as they don't apply to sub-jobs
 488          */
 489         numjobs = td->o.numjobs;
 490         while (--numjobs) {
 491                 struct thread_data *td_new = get_new_job(0, td);
 492
 493                 if (!td_new)
 494                         goto err;
 495
 496                 td_new->o.numjobs = 1;
 497                 td_new->o.stonewall = 0;
 498                 td_new->o.new_group = 0;
 499
 500                 if (file_alloced) {
 501                         td_new->o.filename = NULL;
 502                         td_new->files_index = 0;
 503                         td_new->files = NULL;
 504                 }
 505
 506                 job_add_num = numjobs - 1;
 507
 508                 if (add_job(td_new, jobname, job_add_num))
 509                         goto err;
 510         }
 511
 512         return 0;
 513 err:
 514         put_job(td);
 515         return -1;
 516 }
 517
 518 static int is_empty_or_comment(char *line)
 519 {
 520         unsigned int i;
 521
 522         for (i = 0; i < strlen(line); i++) {
 523                 if (line[i] == ';')
 524                         return 1;
 525                 if (line[i] == '#')
 526                         return 1;
 527                 if (!isspace(line[i]) && !iscntrl(line[i]))
 528                         return 0;
 529         }
 530
 531         return 1;
 532 }
 533
 534 /*
 535  * This is our [ini] type file parser.
 536  */
 537 static int parse_jobs_ini(char *file, int stonewall_flag)
 538 {
 539         unsigned int global;
 540         struct thread_data *td;
 541         char *string, *name;
 542         fpos_t off;
 543         FILE *f;
 544         char *p;
 545         int ret = 0, stonewall;
 546
 547         f = fopen(file, "r");
 548         if (!f) {
 549                 perror("fopen job file");
 550                 return 1;
 551         }
 552
 553         string = malloc(4096);
 554         name = malloc(256);
 555         memset(name, 0, 256);
 556
 557         stonewall = stonewall_flag;
 558         do {
 559                 p = fgets(string, 4095, f);
 560                 if (!p)
 561                         break;
 562
 563                 strip_blank_front(&p);
 564                 strip_blank_end(p);
 565
 566                 if (is_empty_or_comment(p))
 567                         continue;
 568                 if (sscanf(p, "[%255s]", name) != 1) {
 569                         log_err("fio: option <%s> outside of job section\n", p);
 570                         continue;
 571                 }
 572
 573                 global = !strncmp(name, "global", 6);
 574
 575                 name[strlen(name) - 1] = '\0';
 576
 577                 if (dump_cmdline) {
 578                         log_info("fio ");
 579                         if (!global)
 580                                 log_info("--name=%s ", name);
 581                 }
 582
 583                 td = get_new_job(global, &def_thread);
 584                 if (!td) {
 585                         ret = 1;
 586                         break;
 587                 }
 588
 589                 /*
 590                  * Seperate multiple job files by a stonewall
 591                  */
 592                 if (!global && stonewall) {
 593                         td->o.stonewall = stonewall;
 594                         stonewall = 0;
 595                 }
 596
 597                 fgetpos(f, &off);
 598                 while ((p = fgets(string, 4096, f)) != NULL) {
 599                         if (is_empty_or_comment(p))
 600                                 continue;
 601
 602                         strip_blank_front(&p);
 603
 604                         if (p[0] == '[')
 605                                 break;
 606
 607                         strip_blank_end(p);
 608
 609                         fgetpos(f, &off);
 610
 611                         /*
 612                          * Don't break here, continue parsing options so we
 613                          * dump all the bad ones. Makes trial/error fixups
 614                          * easier on the user.
 615                          */
 616                         ret |= fio_option_parse(td, p);
 617                         if (!ret && dump_cmdline)
 618                                 log_info("--%s ", p);
 619                 }
 620
 621                 if (!ret) {
 622                         fsetpos(f, &off);
 623                         ret = add_job(td, name, 0);
 624                 } else {
 625                         log_err("fio: job %s dropped\n", name);
 626                         put_job(td);
 627                 }
 628         } while (!ret);
 629
 630         if (dump_cmdline)
 631                 log_info("\n");
 632
 633         free(string);
 634         free(name);
 635         fclose(f);
 636         return ret;
 637 }
 638
 639 static int fill_def_thread(void)
 640 {
 641         memset(&def_thread, 0, sizeof(def_thread));
 642
 643         if (fio_getaffinity(getpid(), &def_thread.o.cpumask) == -1) {
 644                 perror("sched_getaffinity");
 645                 return 1;
 646         }
 647
 648         /*
 649          * fill default options
 650          */
 651         fio_fill_default_options(&def_thread);
 652
 653         def_thread.o.timeout = def_timeout;
 654         def_thread.o.write_bw_log = write_bw_log;
 655         def_thread.o.write_lat_log = write_lat_log;
 656
 657 #ifdef FIO_HAVE_DISK_UTIL
 658         def_thread.o.do_disk_util = 1;
 659 #endif
 660
 661         return 0;
 662 }
 663
 664 static void free_shm(void)
 665 {
 666         struct shmid_ds sbuf;
 667
 668         if (threads) {
 669                 shmdt((void *) threads);
 670                 threads = NULL;
 671                 shmctl(shm_id, IPC_RMID, &sbuf);
 672         }
 673 }
 674
 675 /*
 676  * The thread area is shared between the main process and the job
 677  * threads/processes. So setup a shared memory segment that will hold
 678  * all the job info.
 679  */
 680 static int setup_thread_area(void)
 681 {
 682         /*
 683          * 1024 is too much on some machines, scale max_jobs if
 684          * we get a failure that looks like too large a shm segment
 685          */
 686         do {
 687                 size_t size = max_jobs * sizeof(struct thread_data);
 688
 689                 shm_id = shmget(0, size, IPC_CREAT | 0600);
 690                 if (shm_id != -1)
 691                         break;
 692                 if (errno != EINVAL) {
 693                         perror("shmget");
 694                         break;
 695                 }
 696
 697                 max_jobs >>= 1;
 698         } while (max_jobs);
 699
 700         if (shm_id == -1)
 701                 return 1;
 702
 703         threads = shmat(shm_id, NULL, 0);
 704         if (threads == (void *) -1) {
 705                 perror("shmat");
 706                 return 1;
 707         }
 708
 709         atexit(free_shm);
 710         return 0;
 711 }
 712
 713 static void usage(void)
 714 {
 715         printf("%s\n", fio_version_string);
 716         printf("\t--output\tWrite output to file\n");
 717         printf("\t--timeout\tRuntime in seconds\n");
 718         printf("\t--latency-log\tGenerate per-job latency logs\n");
 719         printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
 720         printf("\t--minimal\tMinimal (terse) output\n");
 721         printf("\t--version\tPrint version info and exit\n");
 722         printf("\t--help\t\tPrint this page\n");
 723         printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n");
 724         printf("\t--showcmd\tTurn a job file into command line options\n");
 725 }
 726
 727 static int parse_cmd_line(int argc, char *argv[])
 728 {
 729         struct thread_data *td = NULL;
 730         int c, ini_idx = 0, lidx, ret, dont_add_job = 0;
 731
 732         while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) {
 733                 switch (c) {
 734                 case 't':
 735                         def_timeout = atoi(optarg);
 736                         break;
 737                 case 'l':
 738                         write_lat_log = 1;
 739                         break;
 740                 case 'w':
 741                         write_bw_log = 1;
 742                         break;
 743                 case 'o':
 744                         f_out = fopen(optarg, "w+");
 745                         if (!f_out) {
 746                                 perror("fopen output");
 747                                 exit(1);
 748                         }
 749                         f_err = f_out;
 750                         break;
 751                 case 'm':
 752                         terse_output = 1;
 753                         break;
 754                 case 'h':
 755                         usage();
 756                         exit(0);
 757                 case 'c':
 758                         exit(fio_show_option_help(optarg));
 759                 case 's':
 760                         dump_cmdline = 1;
 761                         break;
 762                 case 'v':
 763                         printf("%s\n", fio_version_string);
 764                         exit(0);
 765                 case FIO_GETOPT_JOB: {
 766                         const char *opt = long_options[lidx].name;
 767                         char *val = optarg;
 768
 769                         if (!strncmp(opt, "name", 4) && td) {
 770                                 ret = add_job(td, td->o.name ?: "fio", 0);
 771                                 if (ret) {
 772                                         put_job(td);
 773                                         return 0;
 774                                 }
 775                                 td = NULL;
 776                         }
 777                         if (!td) {
 778                                 int global = !strncmp(val, "global", 6);
 779
 780                                 td = get_new_job(global, &def_thread);
 781                                 if (!td)
 782                                         return 0;
 783                         }
 784
 785                         ret = fio_cmd_option_parse(td, opt, val);
 786                         if (ret)
 787                                 dont_add_job = 1;
 788                         break;
 789                 }
 790                 default:
 791                         break;
 792                 }
 793         }
 794
 795         if (td) {
 796                 if (dont_add_job)
 797                         put_job(td);
 798                 else {
 799                         ret = add_job(td, td->o.name ?: "fio", 0);
 800                         if (ret)
 801                                 put_job(td);
 802                 }
 803         }
 804
 805         while (optind < argc) {
 806                 ini_idx++;
 807                 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
 808                 ini_file[ini_idx - 1] = strdup(argv[optind]);
 809                 optind++;
 810         }
 811
 812         return ini_idx;
 813 }
 814
 815
 816 int parse_options(int argc, char *argv[])
 817 {
 818         int job_files, i;
 819
 820         f_out = stdout;
 821         f_err = stderr;
 822
 823         fio_options_dup_and_init(long_options);
 824
 825         if (setup_thread_area())
 826                 return 1;
 827         if (fill_def_thread())
 828                 return 1;
 829
 830         job_files = parse_cmd_line(argc, argv);
 831
 832         for (i = 0; i < job_files; i++) {
 833                 if (fill_def_thread())
 834                         return 1;
 835                 if (parse_jobs_ini(ini_file[i], i))
 836                         return 1;
 837                 free(ini_file[i]);
 838         }
 839
 840         free(ini_file);
 841         options_mem_free(&def_thread);
 842
 843         if (!thread_number) {
 844                 if (dump_cmdline)
 845                         return 0;
 846
 847                 log_err("No jobs defined(s)\n");
 848                 return 1;
 849         }
 850
 851         return 0;
 852 }