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 1.16.1";
  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         if (!o->timeout && o->time_based) {
 278                 log_err("fio: time_based requires a runtime/timeout setting\n");
 279                 o->time_based = 0;
 280         }
 281
 282         return 0;
 283 }
 284
 285 /*
 286  * This function leaks the buffer
 287  */
 288 static char *to_kmg(unsigned int val)
 289 {
 290         char *buf = malloc(32);
 291         char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
 292         char *p = post;
 293
 294         do {
 295                 if (val & 1023)
 296                         break;
 297
 298                 val >>= 10;
 299                 p++;
 300         } while (*p);
 301
 302         snprintf(buf, 31, "%u%c", val, *p);
 303         return buf;
 304 }
 305
 306 /* External engines are specified by "external:name.o") */
 307 static const char *get_engine_name(const char *str)
 308 {
 309         char *p = strstr(str, ":");
 310
 311         if (!p)
 312                 return str;
 313
 314         p++;
 315         strip_blank_front(&p);
 316         strip_blank_end(p);
 317         return p;
 318 }
 319
 320 static int exists_and_not_file(const char *filename)
 321 {
 322         struct stat sb;
 323
 324         if (lstat(filename, &sb) == -1)
 325                 return 0;
 326
 327         if (S_ISREG(sb.st_mode))
 328                 return 0;
 329
 330         return 1;
 331 }
 332
 333 /*
 334  * Initialize the various random states we need (random io, block size ranges,
 335  * read/write mix, etc).
 336  */
 337 static int init_random_state(struct thread_data *td)
 338 {
 339         unsigned long seeds[6];
 340         int fd;
 341
 342         fd = open("/dev/urandom", O_RDONLY);
 343         if (fd == -1) {
 344                 td_verror(td, errno, "open");
 345                 return 1;
 346         }
 347
 348         if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
 349                 td_verror(td, EIO, "read");
 350                 close(fd);
 351                 return 1;
 352         }
 353
 354         close(fd);
 355
 356         os_random_seed(seeds[0], &td->bsrange_state);
 357         os_random_seed(seeds[1], &td->verify_state);
 358         os_random_seed(seeds[2], &td->rwmix_state);
 359
 360         if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
 361                 os_random_seed(seeds[3], &td->next_file_state);
 362
 363         os_random_seed(seeds[5], &td->file_size_state);
 364
 365         if (!td_random(td))
 366                 return 0;
 367
 368         if (td->o.rand_repeatable)
 369                 seeds[4] = FIO_RANDSEED * td->thread_number;
 370
 371         os_random_seed(seeds[4], &td->random_state);
 372         return 0;
 373 }
 374
 375 /*
 376  * Adds a job to the list of things todo. Sanitizes the various options
 377  * to make sure we don't have conflicts, and initializes various
 378  * members of td.
 379  */
 380 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 381 {
 382         const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
 383                                    "randread", "randwrite", "randrw" };
 384         unsigned int i;
 385         const char *engine;
 386         char fname[PATH_MAX];
 387         int numjobs, file_alloced;
 388
 389         /*
 390          * the def_thread is just for options, it's not a real job
 391          */
 392         if (td == &def_thread)
 393                 return 0;
 394
 395         /*
 396          * if we are just dumping the output command line, don't add the job
 397          */
 398         if (dump_cmdline) {
 399                 put_job(td);
 400                 return 0;
 401         }
 402
 403         engine = get_engine_name(td->o.ioengine);
 404         td->io_ops = load_ioengine(td, engine);
 405         if (!td->io_ops) {
 406                 log_err("fio: failed to load engine %s\n", engine);
 407                 goto err;
 408         }
 409
 410         if (td->o.use_thread)
 411                 nr_thread++;
 412         else
 413                 nr_process++;
 414
 415         if (td->o.odirect)
 416                 td->io_ops->flags |= FIO_RAWIO;
 417
 418         file_alloced = 0;
 419         if (!td->o.filename && !td->files_index) {
 420                 file_alloced = 1;
 421
 422                 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
 423                         add_file(td, jobname);
 424                 else {
 425                         for (i = 0; i < td->o.nr_files; i++) {
 426                                 sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i);
 427                                 add_file(td, fname);
 428                         }
 429                 }
 430         }
 431
 432         if (fixup_options(td))
 433                 goto err;
 434
 435         if (td->io_ops->flags & FIO_DISKLESSIO) {
 436                 struct fio_file *f;
 437
 438                 for_each_file(td, f, i)
 439                         f->real_file_size = -1ULL;
 440         }
 441
 442         td->mutex = fio_sem_init(0);
 443
 444         td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
 445         td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
 446         td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
 447         td->ddir_nr = td->o.ddir_nr;
 448
 449         if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group)
 450              && prev_group_jobs) {
 451                 prev_group_jobs = 0;
 452                 groupid++;
 453         }
 454
 455         td->groupid = groupid;
 456         prev_group_jobs++;
 457
 458         if (init_random_state(td))
 459                 goto err;
 460
 461         if (setup_rate(td))
 462                 goto err;
 463
 464         if (td->o.write_lat_log) {
 465                 setup_log(&td->ts.slat_log);
 466                 setup_log(&td->ts.clat_log);
 467         }
 468         if (td->o.write_bw_log)
 469                 setup_log(&td->ts.bw_log);
 470
 471         if (!td->o.name)
 472                 td->o.name = strdup(jobname);
 473
 474         if (!terse_output) {
 475                 if (!job_add_num) {
 476                         if (!strcmp(td->io_ops->name, "cpuio"))
 477                                 log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle);
 478                         else {
 479                                 char *c1, *c2, *c3, *c4;
 480
 481                                 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
 482                                 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
 483                                 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
 484                                 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
 485
 486                                 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);
 487
 488                                 free(c1);
 489                                 free(c2);
 490                                 free(c3);
 491                                 free(c4);
 492                         }
 493                 } else if (job_add_num == 1)
 494                         log_info("...\n");
 495         }
 496
 497         /*
 498          * recurse add identical jobs, clear numjobs and stonewall options
 499          * as they don't apply to sub-jobs
 500          */
 501         numjobs = td->o.numjobs;
 502         while (--numjobs) {
 503                 struct thread_data *td_new = get_new_job(0, td);
 504
 505                 if (!td_new)
 506                         goto err;
 507
 508                 td_new->o.numjobs = 1;
 509                 td_new->o.stonewall = 0;
 510                 td_new->o.new_group = 0;
 511
 512                 if (file_alloced) {
 513                         td_new->o.filename = NULL;
 514                         td_new->files_index = 0;
 515                         td_new->files = NULL;
 516                 }
 517
 518                 job_add_num = numjobs - 1;
 519
 520                 if (add_job(td_new, jobname, job_add_num))
 521                         goto err;
 522         }
 523
 524         return 0;
 525 err:
 526         put_job(td);
 527         return -1;
 528 }
 529
 530 static int is_empty_or_comment(char *line)
 531 {
 532         unsigned int i;
 533
 534         for (i = 0; i < strlen(line); i++) {
 535                 if (line[i] == ';')
 536                         return 1;
 537                 if (line[i] == '#')
 538                         return 1;
 539                 if (!isspace(line[i]) && !iscntrl(line[i]))
 540                         return 0;
 541         }
 542
 543         return 1;
 544 }
 545
 546 /*
 547  * This is our [ini] type file parser.
 548  */
 549 static int parse_jobs_ini(char *file, int stonewall_flag)
 550 {
 551         unsigned int global;
 552         struct thread_data *td;
 553         char *string, *name;
 554         fpos_t off;
 555         FILE *f;
 556         char *p;
 557         int ret = 0, stonewall;
 558         int first_sect = 1;
 559
 560         f = fopen(file, "r");
 561         if (!f) {
 562                 perror("fopen job file");
 563                 return 1;
 564         }
 565
 566         string = malloc(4096);
 567         name = malloc(256);
 568         memset(name, 0, 256);
 569
 570         stonewall = stonewall_flag;
 571         do {
 572                 p = fgets(string, 4095, f);
 573                 if (!p)
 574                         break;
 575
 576                 strip_blank_front(&p);
 577                 strip_blank_end(p);
 578
 579                 if (is_empty_or_comment(p))
 580                         continue;
 581                 if (sscanf(p, "[%255s]", name) != 1) {
 582                         log_err("fio: option <%s> outside of job section\n", p);
 583                         continue;
 584                 }
 585
 586                 global = !strncmp(name, "global", 6);
 587
 588                 name[strlen(name) - 1] = '\0';
 589
 590                 if (dump_cmdline) {
 591                         if (first_sect)
 592                                 log_info("fio ");
 593                         if (!global)
 594                                 log_info("--name=%s ", name);
 595                         first_sect = 0;
 596                 }
 597
 598                 td = get_new_job(global, &def_thread);
 599                 if (!td) {
 600                         ret = 1;
 601                         break;
 602                 }
 603
 604                 /*
 605                  * Seperate multiple job files by a stonewall
 606                  */
 607                 if (!global && stonewall) {
 608                         td->o.stonewall = stonewall;
 609                         stonewall = 0;
 610                 }
 611
 612                 fgetpos(f, &off);
 613                 while ((p = fgets(string, 4096, f)) != NULL) {
 614                         if (is_empty_or_comment(p))
 615                                 continue;
 616
 617                         strip_blank_front(&p);
 618
 619                         if (p[0] == '[')
 620                                 break;
 621
 622                         strip_blank_end(p);
 623
 624                         fgetpos(f, &off);
 625
 626                         /*
 627                          * Don't break here, continue parsing options so we
 628                          * dump all the bad ones. Makes trial/error fixups
 629                          * easier on the user.
 630                          */
 631                         ret |= fio_option_parse(td, p);
 632                         if (!ret && dump_cmdline)
 633                                 log_info("--%s ", p);
 634                 }
 635
 636                 if (!ret) {
 637                         fsetpos(f, &off);
 638                         ret = add_job(td, name, 0);
 639                 } else {
 640                         log_err("fio: job %s dropped\n", name);
 641                         put_job(td);
 642                 }
 643         } while (!ret);
 644
 645         if (dump_cmdline)
 646                 log_info("\n");
 647
 648         free(string);
 649         free(name);
 650         fclose(f);
 651         return ret;
 652 }
 653
 654 static int fill_def_thread(void)
 655 {
 656         memset(&def_thread, 0, sizeof(def_thread));
 657
 658         if (fio_getaffinity(getpid(), &def_thread.o.cpumask) == -1) {
 659                 perror("sched_getaffinity");
 660                 return 1;
 661         }
 662
 663         /*
 664          * fill default options
 665          */
 666         fio_fill_default_options(&def_thread);
 667
 668         def_thread.o.timeout = def_timeout;
 669         def_thread.o.write_bw_log = write_bw_log;
 670         def_thread.o.write_lat_log = write_lat_log;
 671
 672         return 0;
 673 }
 674
 675 static void free_shm(void)
 676 {
 677         struct shmid_ds sbuf;
 678
 679         if (threads) {
 680                 shmdt((void *) threads);
 681                 threads = NULL;
 682                 shmctl(shm_id, IPC_RMID, &sbuf);
 683         }
 684 }
 685
 686 /*
 687  * The thread area is shared between the main process and the job
 688  * threads/processes. So setup a shared memory segment that will hold
 689  * all the job info.
 690  */
 691 static int setup_thread_area(void)
 692 {
 693         /*
 694          * 1024 is too much on some machines, scale max_jobs if
 695          * we get a failure that looks like too large a shm segment
 696          */
 697         do {
 698                 size_t size = max_jobs * sizeof(struct thread_data);
 699
 700                 shm_id = shmget(0, size, IPC_CREAT | 0600);
 701                 if (shm_id != -1)
 702                         break;
 703                 if (errno != EINVAL) {
 704                         perror("shmget");
 705                         break;
 706                 }
 707
 708                 max_jobs >>= 1;
 709         } while (max_jobs);
 710
 711         if (shm_id == -1)
 712                 return 1;
 713
 714         threads = shmat(shm_id, NULL, 0);
 715         if (threads == (void *) -1) {
 716                 perror("shmat");
 717                 return 1;
 718         }
 719
 720         atexit(free_shm);
 721         return 0;
 722 }
 723
 724 static void usage(void)
 725 {
 726         printf("%s\n", fio_version_string);
 727         printf("\t--output\tWrite output to file\n");
 728         printf("\t--timeout\tRuntime in seconds\n");
 729         printf("\t--latency-log\tGenerate per-job latency logs\n");
 730         printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
 731         printf("\t--minimal\tMinimal (terse) output\n");
 732         printf("\t--version\tPrint version info and exit\n");
 733         printf("\t--help\t\tPrint this page\n");
 734         printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n");
 735         printf("\t--showcmd\tTurn a job file into command line options\n");
 736 }
 737
 738 static int parse_cmd_line(int argc, char *argv[])
 739 {
 740         struct thread_data *td = NULL;
 741         int c, ini_idx = 0, lidx, ret, dont_add_job = 0;
 742
 743         while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) {
 744                 switch (c) {
 745                 case 't':
 746                         def_timeout = atoi(optarg);
 747                         break;
 748                 case 'l':
 749                         write_lat_log = 1;
 750                         break;
 751                 case 'w':
 752                         write_bw_log = 1;
 753                         break;
 754                 case 'o':
 755                         f_out = fopen(optarg, "w+");
 756                         if (!f_out) {
 757                                 perror("fopen output");
 758                                 exit(1);
 759                         }
 760                         f_err = f_out;
 761                         break;
 762                 case 'm':
 763                         terse_output = 1;
 764                         break;
 765                 case 'h':
 766                         usage();
 767                         exit(0);
 768                 case 'c':
 769                         exit(fio_show_option_help(optarg));
 770                 case 's':
 771                         dump_cmdline = 1;
 772                         break;
 773                 case 'v':
 774                         printf("%s\n", fio_version_string);
 775                         exit(0);
 776                 case FIO_GETOPT_JOB: {
 777                         const char *opt = long_options[lidx].name;
 778                         char *val = optarg;
 779
 780                         if (!strncmp(opt, "name", 4) && td) {
 781                                 ret = add_job(td, td->o.name ?: "fio", 0);
 782                                 if (ret) {
 783                                         put_job(td);
 784                                         return 0;
 785                                 }
 786                                 td = NULL;
 787                         }
 788                         if (!td) {
 789                                 int global = 0;
 790
 791                                 if (strncmp(opt, "name", 4) ||
 792                                     !strncmp(val, "global", 6))
 793                                         global = 1;
 794
 795                                 td = get_new_job(global, &def_thread);
 796                                 if (!td)
 797                                         return 0;
 798                         }
 799
 800                         ret = fio_cmd_option_parse(td, opt, val);
 801                         if (ret)
 802                                 dont_add_job = 1;
 803                         break;
 804                 }
 805                 default:
 806                         break;
 807                 }
 808         }
 809
 810         if (td) {
 811                 if (dont_add_job)
 812                         put_job(td);
 813                 else {
 814                         ret = add_job(td, td->o.name ?: "fio", 0);
 815                         if (ret)
 816                                 put_job(td);
 817                 }
 818         }
 819
 820         while (optind < argc) {
 821                 ini_idx++;
 822                 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
 823                 ini_file[ini_idx - 1] = strdup(argv[optind]);
 824                 optind++;
 825         }
 826
 827         return ini_idx;
 828 }
 829
 830
 831 int parse_options(int argc, char *argv[])
 832 {
 833         int job_files, i;
 834
 835         f_out = stdout;
 836         f_err = stderr;
 837
 838         fio_options_dup_and_init(long_options);
 839
 840         if (setup_thread_area())
 841                 return 1;
 842         if (fill_def_thread())
 843                 return 1;
 844
 845         job_files = parse_cmd_line(argc, argv);
 846
 847         for (i = 0; i < job_files; i++) {
 848                 if (fill_def_thread())
 849                         return 1;
 850                 if (parse_jobs_ini(ini_file[i], i))
 851                         return 1;
 852                 free(ini_file[i]);
 853         }
 854
 855         free(ini_file);
 856         options_mem_free(&def_thread);
 857
 858         if (!thread_number) {
 859                 if (dump_cmdline)
 860                         return 0;
 861
 862                 log_err("No jobs defined(s)\n");
 863                 return 1;
 864         }
 865
 866         return 0;
 867 }