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 1.17.1";
  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 static int read_only;
  28
  29 struct thread_data def_thread;
  30 struct thread_data *threads = NULL;
  31
  32 int exitall_on_terminate = 0;
  33 int terse_output = 0;
  34 unsigned long long mlock_size = 0;
  35 FILE *f_out = NULL;
  36 FILE *f_err = NULL;
  37
  38 int write_bw_log = 0;
  39
  40 static int def_timeout = 0;
  41 static int write_lat_log = 0;
  42
  43 static int prev_group_jobs;
  44
  45 /*
  46  * Command line options. These will contain the above, plus a few
  47  * extra that only pertain to fio itself and not jobs.
  48  */
  49 static struct option long_options[FIO_NR_OPTIONS] = {
  50         {
  51                 .name           = "output",
  52                 .has_arg        = required_argument,
  53                 .val            = 'o',
  54         },
  55         {
  56                 .name           = "timeout",
  57                 .has_arg        = required_argument,
  58                 .val            = 't',
  59         },
  60         {
  61                 .name           = "latency-log",
  62                 .has_arg        = required_argument,
  63                 .val            = 'l',
  64         },
  65         {
  66                 .name           = "bandwidth-log",
  67                 .has_arg        = required_argument,
  68                 .val            = 'b',
  69         },
  70         {
  71                 .name           = "minimal",
  72                 .has_arg        = optional_argument,
  73                 .val            = 'm',
  74         },
  75         {
  76                 .name           = "version",
  77                 .has_arg        = no_argument,
  78                 .val            = 'v',
  79         },
  80         {
  81                 .name           = "help",
  82                 .has_arg        = no_argument,
  83                 .val            = 'h',
  84         },
  85         {
  86                 .name           = "cmdhelp",
  87                 .has_arg        = optional_argument,
  88                 .val            = 'c',
  89         },
  90         {
  91                 .name           = "showcmd",
  92                 .has_arg        = no_argument,
  93                 .val            = 's',
  94         },
  95         {
  96                 .name           = "readonly",
  97                 .has_arg        = no_argument,
  98                 .val            = 'r',
  99         },
 100         {
 101                 .name           = NULL,
 102         },
 103 };
 104
 105 FILE *get_f_out()
 106 {
 107         return f_out;
 108 }
 109
 110 FILE *get_f_err()
 111 {
 112         return f_err;
 113 }
 114
 115 /*
 116  * Return a free job structure.
 117  */
 118 static struct thread_data *get_new_job(int global, struct thread_data *parent)
 119 {
 120         struct thread_data *td;
 121
 122         if (global)
 123                 return &def_thread;
 124         if (thread_number >= max_jobs)
 125                 return NULL;
 126
 127         td = &threads[thread_number++];
 128         *td = *parent;
 129
 130         dup_files(td, parent);
 131         options_mem_dupe(td);
 132
 133         td->thread_number = thread_number;
 134         return td;
 135 }
 136
 137 static void put_job(struct thread_data *td)
 138 {
 139         if (td == &def_thread)
 140                 return;
 141
 142         if (td->error)
 143                 log_info("fio: %s\n", td->verror);
 144
 145         memset(&threads[td->thread_number - 1], 0, sizeof(*td));
 146         thread_number--;
 147 }
 148
 149 static int setup_rate(struct thread_data *td)
 150 {
 151         unsigned long nr_reads_per_msec;
 152         unsigned long long rate;
 153         unsigned int bs;
 154
 155         if (!td->o.rate && !td->o.rate_iops)
 156                 return 0;
 157
 158         if (td_rw(td))
 159                 bs = td->o.rw_min_bs;
 160         else if (td_read(td))
 161                 bs = td->o.min_bs[DDIR_READ];
 162         else
 163                 bs = td->o.min_bs[DDIR_WRITE];
 164
 165         if (td->o.rate) {
 166                 rate = td->o.rate;
 167                 nr_reads_per_msec = (rate * 1024 * 1000LL) / bs;
 168         } else
 169                 nr_reads_per_msec = td->o.rate_iops * 1000UL;
 170
 171         if (!nr_reads_per_msec) {
 172                 log_err("rate lower than supported\n");
 173                 return -1;
 174         }
 175
 176         td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec;
 177         td->rate_pending_usleep = 0;
 178         return 0;
 179 }
 180
 181 /*
 182  * Lazy way of fixing up options that depend on each other. We could also
 183  * define option callback handlers, but this is easier.
 184  */
 185 static int fixup_options(struct thread_data *td)
 186 {
 187         struct thread_options *o = &td->o;
 188
 189         if (read_only && td_write(td)) {
 190                 log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name);
 191                 return 1;
 192         }
 193
 194         if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100)
 195                 o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ];
 196
 197         if (o->write_iolog_file && o->read_iolog_file) {
 198                 log_err("fio: read iolog overrides write_iolog\n");
 199                 free(o->write_iolog_file);
 200                 o->write_iolog_file = NULL;
 201         }
 202
 203         if (td->io_ops->flags & FIO_SYNCIO)
 204                 o->iodepth = 1;
 205         else {
 206                 if (!o->iodepth)
 207                         o->iodepth = o->open_files;
 208         }
 209
 210         /*
 211          * only really works for sequential io for now, and with 1 file
 212          */
 213         if (o->zone_size && td_random(td) && o->open_files == 1)
 214                 o->zone_size = 0;
 215
 216         /*
 217          * Reads can do overwrites, we always need to pre-create the file
 218          */
 219         if (td_read(td) || td_rw(td))
 220                 o->overwrite = 1;
 221
 222         if (!o->min_bs[DDIR_READ])
 223                 o->min_bs[DDIR_READ]= o->bs[DDIR_READ];
 224         if (!o->max_bs[DDIR_READ])
 225                 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
 226         if (!o->min_bs[DDIR_WRITE])
 227                 o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE];
 228         if (!o->max_bs[DDIR_WRITE])
 229                 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
 230
 231         o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
 232
 233         if (!o->file_size_high)
 234                 o->file_size_high = o->file_size_low;
 235
 236         if (o->norandommap && o->verify != VERIFY_NONE) {
 237                 log_err("fio: norandommap given, verify disabled\n");
 238                 o->verify = VERIFY_NONE;
 239         }
 240         if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
 241                 log_err("fio: bs_unaligned may not work with raw io\n");
 242
 243         /*
 244          * thinktime_spin must be less than thinktime
 245          */
 246         if (o->thinktime_spin > o->thinktime)
 247                 o->thinktime_spin = o->thinktime;
 248
 249         /*
 250          * The low water mark cannot be bigger than the iodepth
 251          */
 252         if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
 253                 /*
 254                  * syslet work around - if the workload is sequential,
 255                  * we want to let the queue drain all the way down to
 256                  * avoid seeking between async threads
 257                  */
 258                 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
 259                         o->iodepth_low = 1;
 260                 else
 261                         o->iodepth_low = o->iodepth;
 262         }
 263
 264         /*
 265          * If batch number isn't set, default to the same as iodepth
 266          */
 267         if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
 268                 o->iodepth_batch = o->iodepth;
 269
 270         if (o->nr_files > td->files_index)
 271                 o->nr_files = td->files_index;
 272
 273         if (o->open_files > o->nr_files || !o->open_files)
 274                 o->open_files = o->nr_files;
 275
 276         if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) {
 277                 log_err("fio: rate and rate_iops are mutually exclusive\n");
 278                 return 1;
 279         }
 280         if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) {
 281                 log_err("fio: minimum rate exceeds rate\n");
 282                 return 1;
 283         }
 284
 285         if (!o->timeout && o->time_based) {
 286                 log_err("fio: time_based requires a runtime/timeout setting\n");
 287                 o->time_based = 0;
 288         }
 289
 290         return 0;
 291 }
 292
 293 /*
 294  * This function leaks the buffer
 295  */
 296 static char *to_kmg(unsigned int val)
 297 {
 298         char *buf = malloc(32);
 299         char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
 300         char *p = post;
 301
 302         do {
 303                 if (val & 1023)
 304                         break;
 305
 306                 val >>= 10;
 307                 p++;
 308         } while (*p);
 309
 310         snprintf(buf, 31, "%u%c", val, *p);
 311         return buf;
 312 }
 313
 314 /* External engines are specified by "external:name.o") */
 315 static const char *get_engine_name(const char *str)
 316 {
 317         char *p = strstr(str, ":");
 318
 319         if (!p)
 320                 return str;
 321
 322         p++;
 323         strip_blank_front(&p);
 324         strip_blank_end(p);
 325         return p;
 326 }
 327
 328 static int exists_and_not_file(const char *filename)
 329 {
 330         struct stat sb;
 331
 332         if (lstat(filename, &sb) == -1)
 333                 return 0;
 334
 335         if (S_ISREG(sb.st_mode))
 336                 return 0;
 337
 338         return 1;
 339 }
 340
 341 /*
 342  * Initialize the various random states we need (random io, block size ranges,
 343  * read/write mix, etc).
 344  */
 345 static int init_random_state(struct thread_data *td)
 346 {
 347         unsigned long seeds[6];
 348         int fd;
 349
 350         fd = open("/dev/urandom", O_RDONLY);
 351         if (fd == -1) {
 352                 td_verror(td, errno, "open");
 353                 return 1;
 354         }
 355
 356         if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
 357                 td_verror(td, EIO, "read");
 358                 close(fd);
 359                 return 1;
 360         }
 361
 362         close(fd);
 363
 364         os_random_seed(seeds[0], &td->bsrange_state);
 365         os_random_seed(seeds[1], &td->verify_state);
 366         os_random_seed(seeds[2], &td->rwmix_state);
 367
 368         if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
 369                 os_random_seed(seeds[3], &td->next_file_state);
 370
 371         os_random_seed(seeds[5], &td->file_size_state);
 372
 373         if (!td_random(td))
 374                 return 0;
 375
 376         if (td->o.rand_repeatable)
 377                 seeds[4] = FIO_RANDSEED * td->thread_number;
 378
 379         os_random_seed(seeds[4], &td->random_state);
 380         return 0;
 381 }
 382
 383 /*
 384  * Adds a job to the list of things todo. Sanitizes the various options
 385  * to make sure we don't have conflicts, and initializes various
 386  * members of td.
 387  */
 388 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 389 {
 390         const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
 391                                    "randread", "randwrite", "randrw" };
 392         unsigned int i;
 393         const char *engine;
 394         char fname[PATH_MAX];
 395         int numjobs, file_alloced;
 396
 397         /*
 398          * the def_thread is just for options, it's not a real job
 399          */
 400         if (td == &def_thread)
 401                 return 0;
 402
 403         /*
 404          * if we are just dumping the output command line, don't add the job
 405          */
 406         if (dump_cmdline) {
 407                 put_job(td);
 408                 return 0;
 409         }
 410
 411         engine = get_engine_name(td->o.ioengine);
 412         td->io_ops = load_ioengine(td, engine);
 413         if (!td->io_ops) {
 414                 log_err("fio: failed to load engine %s\n", engine);
 415                 goto err;
 416         }
 417
 418         if (td->o.use_thread)
 419                 nr_thread++;
 420         else
 421                 nr_process++;
 422
 423         if (td->o.odirect)
 424                 td->io_ops->flags |= FIO_RAWIO;
 425
 426         file_alloced = 0;
 427         if (!td->o.filename && !td->files_index) {
 428                 file_alloced = 1;
 429
 430                 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
 431                         add_file(td, jobname);
 432                 else {
 433                         for (i = 0; i < td->o.nr_files; i++) {
 434                                 sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i);
 435                                 add_file(td, fname);
 436                         }
 437                 }
 438         }
 439
 440         if (fixup_options(td))
 441                 goto err;
 442
 443         if (td->io_ops->flags & FIO_DISKLESSIO) {
 444                 struct fio_file *f;
 445
 446                 for_each_file(td, f, i)
 447                         f->real_file_size = -1ULL;
 448         }
 449
 450         td->mutex = fio_sem_init(0);
 451
 452         td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
 453         td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
 454         td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
 455         td->ddir_nr = td->o.ddir_nr;
 456
 457         if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group)
 458              && prev_group_jobs) {
 459                 prev_group_jobs = 0;
 460                 groupid++;
 461         }
 462
 463         td->groupid = groupid;
 464         prev_group_jobs++;
 465
 466         if (init_random_state(td))
 467                 goto err;
 468
 469         if (setup_rate(td))
 470                 goto err;
 471
 472         if (td->o.write_lat_log) {
 473                 setup_log(&td->ts.slat_log);
 474                 setup_log(&td->ts.clat_log);
 475         }
 476         if (td->o.write_bw_log)
 477                 setup_log(&td->ts.bw_log);
 478
 479         if (!td->o.name)
 480                 td->o.name = strdup(jobname);
 481
 482         if (!terse_output) {
 483                 if (!job_add_num) {
 484                         if (!strcmp(td->io_ops->name, "cpuio"))
 485                                 log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle);
 486                         else {
 487                                 char *c1, *c2, *c3, *c4;
 488
 489                                 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
 490                                 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
 491                                 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
 492                                 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
 493
 494                                 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);
 495
 496                                 free(c1);
 497                                 free(c2);
 498                                 free(c3);
 499                                 free(c4);
 500                         }
 501                 } else if (job_add_num == 1)
 502                         log_info("...\n");
 503         }
 504
 505         /*
 506          * recurse add identical jobs, clear numjobs and stonewall options
 507          * as they don't apply to sub-jobs
 508          */
 509         numjobs = td->o.numjobs;
 510         while (--numjobs) {
 511                 struct thread_data *td_new = get_new_job(0, td);
 512
 513                 if (!td_new)
 514                         goto err;
 515
 516                 td_new->o.numjobs = 1;
 517                 td_new->o.stonewall = 0;
 518                 td_new->o.new_group = 0;
 519
 520                 if (file_alloced) {
 521                         td_new->o.filename = NULL;
 522                         td_new->files_index = 0;
 523                         td_new->files = NULL;
 524                 }
 525
 526                 job_add_num = numjobs - 1;
 527
 528                 if (add_job(td_new, jobname, job_add_num))
 529                         goto err;
 530         }
 531
 532         return 0;
 533 err:
 534         put_job(td);
 535         return -1;
 536 }
 537
 538 static int is_empty_or_comment(char *line)
 539 {
 540         unsigned int i;
 541
 542         for (i = 0; i < strlen(line); i++) {
 543                 if (line[i] == ';')
 544                         return 1;
 545                 if (line[i] == '#')
 546                         return 1;
 547                 if (!isspace(line[i]) && !iscntrl(line[i]))
 548                         return 0;
 549         }
 550
 551         return 1;
 552 }
 553
 554 /*
 555  * This is our [ini] type file parser.
 556  */
 557 static int parse_jobs_ini(char *file, int stonewall_flag)
 558 {
 559         unsigned int global;
 560         struct thread_data *td;
 561         char *string, *name;
 562         fpos_t off;
 563         FILE *f;
 564         char *p;
 565         int ret = 0, stonewall;
 566         int first_sect = 1;
 567
 568         f = fopen(file, "r");
 569         if (!f) {
 570                 perror("fopen job file");
 571                 return 1;
 572         }
 573
 574         string = malloc(4096);
 575
 576         /*
 577          * it's really 256 + small bit, 280 should suffice
 578          */
 579         name = malloc(280);
 580         memset(name, 0, 280);
 581
 582         stonewall = stonewall_flag;
 583         do {
 584                 p = fgets(string, 4095, f);
 585                 if (!p)
 586                         break;
 587
 588                 strip_blank_front(&p);
 589                 strip_blank_end(p);
 590
 591                 if (is_empty_or_comment(p))
 592                         continue;
 593                 if (sscanf(p, "[%255s]", name) != 1) {
 594                         log_err("fio: option <%s> outside of [] job section\n", p);
 595                         break;
 596                 }
 597
 598                 global = !strncmp(name, "global", 6);
 599
 600                 name[strlen(name) - 1] = '\0';
 601
 602                 if (dump_cmdline) {
 603                         if (first_sect)
 604                                 log_info("fio ");
 605                         if (!global)
 606                                 log_info("--name=%s ", name);
 607                         first_sect = 0;
 608                 }
 609
 610                 td = get_new_job(global, &def_thread);
 611                 if (!td) {
 612                         ret = 1;
 613                         break;
 614                 }
 615
 616                 /*
 617                  * Seperate multiple job files by a stonewall
 618                  */
 619                 if (!global && stonewall) {
 620                         td->o.stonewall = stonewall;
 621                         stonewall = 0;
 622                 }
 623
 624                 fgetpos(f, &off);
 625                 while ((p = fgets(string, 4096, f)) != NULL) {
 626                         if (is_empty_or_comment(p))
 627                                 continue;
 628
 629                         strip_blank_front(&p);
 630
 631                         if (p[0] == '[')
 632                                 break;
 633
 634                         strip_blank_end(p);
 635
 636                         fgetpos(f, &off);
 637
 638                         /*
 639                          * Don't break here, continue parsing options so we
 640                          * dump all the bad ones. Makes trial/error fixups
 641                          * easier on the user.
 642                          */
 643                         ret |= fio_option_parse(td, p);
 644                         if (!ret && dump_cmdline)
 645                                 log_info("--%s ", p);
 646                 }
 647
 648                 if (!ret) {
 649                         fsetpos(f, &off);
 650                         ret = add_job(td, name, 0);
 651                 } else {
 652                         log_err("fio: job %s dropped\n", name);
 653                         put_job(td);
 654                 }
 655         } while (!ret);
 656
 657         if (dump_cmdline)
 658                 log_info("\n");
 659
 660         free(string);
 661         free(name);
 662         fclose(f);
 663         return ret;
 664 }
 665
 666 static int fill_def_thread(void)
 667 {
 668         memset(&def_thread, 0, sizeof(def_thread));
 669
 670         fio_getaffinity(getpid(), &def_thread.o.cpumask);
 671
 672         /*
 673          * fill default options
 674          */
 675         fio_fill_default_options(&def_thread);
 676
 677         def_thread.o.timeout = def_timeout;
 678         def_thread.o.write_bw_log = write_bw_log;
 679         def_thread.o.write_lat_log = write_lat_log;
 680
 681         return 0;
 682 }
 683
 684 static void free_shm(void)
 685 {
 686         struct shmid_ds sbuf;
 687
 688         if (threads) {
 689                 shmdt((void *) threads);
 690                 threads = NULL;
 691                 shmctl(shm_id, IPC_RMID, &sbuf);
 692         }
 693 }
 694
 695 /*
 696  * The thread area is shared between the main process and the job
 697  * threads/processes. So setup a shared memory segment that will hold
 698  * all the job info.
 699  */
 700 static int setup_thread_area(void)
 701 {
 702         /*
 703          * 1024 is too much on some machines, scale max_jobs if
 704          * we get a failure that looks like too large a shm segment
 705          */
 706         do {
 707                 size_t size = max_jobs * sizeof(struct thread_data);
 708
 709                 shm_id = shmget(0, size, IPC_CREAT | 0600);
 710                 if (shm_id != -1)
 711                         break;
 712                 if (errno != EINVAL) {
 713                         perror("shmget");
 714                         break;
 715                 }
 716
 717                 max_jobs >>= 1;
 718         } while (max_jobs);
 719
 720         if (shm_id == -1)
 721                 return 1;
 722
 723         threads = shmat(shm_id, NULL, 0);
 724         if (threads == (void *) -1) {
 725                 perror("shmat");
 726                 return 1;
 727         }
 728
 729         atexit(free_shm);
 730         return 0;
 731 }
 732
 733 static void usage(void)
 734 {
 735         printf("%s\n", fio_version_string);
 736         printf("\t--output\tWrite output to file\n");
 737         printf("\t--timeout\tRuntime in seconds\n");
 738         printf("\t--latency-log\tGenerate per-job latency logs\n");
 739         printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
 740         printf("\t--minimal\tMinimal (terse) output\n");
 741         printf("\t--version\tPrint version info and exit\n");
 742         printf("\t--help\t\tPrint this page\n");
 743         printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n");
 744         printf("\t--showcmd\tTurn a job file into command line options\n");
 745 }
 746
 747 static int parse_cmd_line(int argc, char *argv[])
 748 {
 749         struct thread_data *td = NULL;
 750         int c, ini_idx = 0, lidx, ret, dont_add_job = 0;
 751
 752         while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) {
 753                 switch (c) {
 754                 case 't':
 755                         def_timeout = atoi(optarg);
 756                         break;
 757                 case 'l':
 758                         write_lat_log = 1;
 759                         break;
 760                 case 'w':
 761                         write_bw_log = 1;
 762                         break;
 763                 case 'o':
 764                         f_out = fopen(optarg, "w+");
 765                         if (!f_out) {
 766                                 perror("fopen output");
 767                                 exit(1);
 768                         }
 769                         f_err = f_out;
 770                         break;
 771                 case 'm':
 772                         terse_output = 1;
 773                         break;
 774                 case 'h':
 775                         usage();
 776                         exit(0);
 777                 case 'c':
 778                         exit(fio_show_option_help(optarg));
 779                 case 's':
 780                         dump_cmdline = 1;
 781                         break;
 782                 case 'r':
 783                         read_only = 1;
 784                         break;
 785                 case 'v':
 786                         printf("%s\n", fio_version_string);
 787                         exit(0);
 788                 case FIO_GETOPT_JOB: {
 789                         const char *opt = long_options[lidx].name;
 790                         char *val = optarg;
 791
 792                         if (!strncmp(opt, "name", 4) && td) {
 793                                 ret = add_job(td, td->o.name ?: "fio", 0);
 794                                 if (ret) {
 795                                         put_job(td);
 796                                         return 0;
 797                                 }
 798                                 td = NULL;
 799                         }
 800                         if (!td) {
 801                                 int global = 0;
 802
 803                                 if (strncmp(opt, "name", 4) ||
 804                                     !strncmp(val, "global", 6))
 805                                         global = 1;
 806
 807                                 td = get_new_job(global, &def_thread);
 808                                 if (!td)
 809                                         return 0;
 810                         }
 811
 812                         ret = fio_cmd_option_parse(td, opt, val);
 813                         if (ret)
 814                                 dont_add_job = 1;
 815                         break;
 816                 }
 817                 default:
 818                         break;
 819                 }
 820         }
 821
 822         if (td) {
 823                 if (dont_add_job)
 824                         put_job(td);
 825                 else {
 826                         ret = add_job(td, td->o.name ?: "fio", 0);
 827                         if (ret)
 828                                 put_job(td);
 829                 }
 830         }
 831
 832         while (optind < argc) {
 833                 ini_idx++;
 834                 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
 835                 ini_file[ini_idx - 1] = strdup(argv[optind]);
 836                 optind++;
 837         }
 838
 839         return ini_idx;
 840 }
 841
 842
 843 int parse_options(int argc, char *argv[])
 844 {
 845         int job_files, i;
 846
 847         f_out = stdout;
 848         f_err = stderr;
 849
 850         fio_options_dup_and_init(long_options);
 851
 852         if (setup_thread_area())
 853                 return 1;
 854         if (fill_def_thread())
 855                 return 1;
 856
 857         job_files = parse_cmd_line(argc, argv);
 858
 859         for (i = 0; i < job_files; i++) {
 860                 if (fill_def_thread())
 861                         return 1;
 862                 if (parse_jobs_ini(ini_file[i], i))
 863                         return 1;
 864                 free(ini_file[i]);
 865         }
 866
 867         free(ini_file);
 868         options_mem_free(&def_thread);
 869
 870         if (!thread_number) {
 871                 if (dump_cmdline)
 872                         return 0;
 873
 874                 log_err("No jobs defined(s)\n");
 875                 return 1;
 876         }
 877
 878         return 0;
 879 }