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
  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 int eta_print;
  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 int read_only = 0;
  40
  41 static int def_timeout = 0;
  42 static int write_lat_log = 0;
  43
  44 static int prev_group_jobs;
  45
  46 /*
  47  * Command line options. These will contain the above, plus a few
  48  * extra that only pertain to fio itself and not jobs.
  49  */
  50 static struct option long_options[FIO_NR_OPTIONS] = {
  51         {
  52                 .name           = "output",
  53                 .has_arg        = required_argument,
  54                 .val            = 'o',
  55         },
  56         {
  57                 .name           = "timeout",
  58                 .has_arg        = required_argument,
  59                 .val            = 't',
  60         },
  61         {
  62                 .name           = "latency-log",
  63                 .has_arg        = required_argument,
  64                 .val            = 'l',
  65         },
  66         {
  67                 .name           = "bandwidth-log",
  68                 .has_arg        = required_argument,
  69                 .val            = 'b',
  70         },
  71         {
  72                 .name           = "minimal",
  73                 .has_arg        = optional_argument,
  74                 .val            = 'm',
  75         },
  76         {
  77                 .name           = "version",
  78                 .has_arg        = no_argument,
  79                 .val            = 'v',
  80         },
  81         {
  82                 .name           = "help",
  83                 .has_arg        = no_argument,
  84                 .val            = 'h',
  85         },
  86         {
  87                 .name           = "cmdhelp",
  88                 .has_arg        = optional_argument,
  89                 .val            = 'c',
  90         },
  91         {
  92                 .name           = "showcmd",
  93                 .has_arg        = no_argument,
  94                 .val            = 's',
  95         },
  96         {
  97                 .name           = "readonly",
  98                 .has_arg        = no_argument,
  99                 .val            = 'r',
 100         },
 101         {
 102                 .name           = "eta",
 103                 .has_arg        = required_argument,
 104                 .val            = 'e',
 105         },
 106         {
 107                 .name           = NULL,
 108         },
 109 };
 110
 111 FILE *get_f_out()
 112 {
 113         return f_out;
 114 }
 115
 116 FILE *get_f_err()
 117 {
 118         return f_err;
 119 }
 120
 121 /*
 122  * Return a free job structure.
 123  */
 124 static struct thread_data *get_new_job(int global, struct thread_data *parent)
 125 {
 126         struct thread_data *td;
 127
 128         if (global)
 129                 return &def_thread;
 130         if (thread_number >= max_jobs)
 131                 return NULL;
 132
 133         td = &threads[thread_number++];
 134         *td = *parent;
 135
 136         dup_files(td, parent);
 137         options_mem_dupe(td);
 138
 139         td->thread_number = thread_number;
 140         return td;
 141 }
 142
 143 static void put_job(struct thread_data *td)
 144 {
 145         if (td == &def_thread)
 146                 return;
 147
 148         if (td->error)
 149                 log_info("fio: %s\n", td->verror);
 150
 151         memset(&threads[td->thread_number - 1], 0, sizeof(*td));
 152         thread_number--;
 153 }
 154
 155 static int setup_rate(struct thread_data *td)
 156 {
 157         unsigned long nr_reads_per_msec;
 158         unsigned long long rate;
 159         unsigned int bs;
 160
 161         if (!td->o.rate && !td->o.rate_iops)
 162                 return 0;
 163
 164         if (td_rw(td))
 165                 bs = td->o.rw_min_bs;
 166         else if (td_read(td))
 167                 bs = td->o.min_bs[DDIR_READ];
 168         else
 169                 bs = td->o.min_bs[DDIR_WRITE];
 170
 171         if (td->o.rate) {
 172                 rate = td->o.rate;
 173                 nr_reads_per_msec = (rate * 1024 * 1000LL) / bs;
 174         } else
 175                 nr_reads_per_msec = td->o.rate_iops * 1000UL;
 176
 177         if (!nr_reads_per_msec) {
 178                 log_err("rate lower than supported\n");
 179                 return -1;
 180         }
 181
 182         td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec;
 183         td->rate_pending_usleep = 0;
 184         return 0;
 185 }
 186
 187 /*
 188  * Lazy way of fixing up options that depend on each other. We could also
 189  * define option callback handlers, but this is easier.
 190  */
 191 static int fixup_options(struct thread_data *td)
 192 {
 193         struct thread_options *o = &td->o;
 194
 195         if (read_only && td_write(td)) {
 196                 log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name);
 197                 return 1;
 198         }
 199
 200         if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100)
 201                 o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ];
 202
 203         if (o->write_iolog_file && o->read_iolog_file) {
 204                 log_err("fio: read iolog overrides write_iolog\n");
 205                 free(o->write_iolog_file);
 206                 o->write_iolog_file = NULL;
 207         }
 208
 209         if (td->io_ops->flags & FIO_SYNCIO)
 210                 o->iodepth = 1;
 211         else {
 212                 if (!o->iodepth)
 213                         o->iodepth = o->open_files;
 214         }
 215
 216         /*
 217          * only really works for sequential io for now, and with 1 file
 218          */
 219         if (o->zone_size && td_random(td) && o->open_files == 1)
 220                 o->zone_size = 0;
 221
 222         /*
 223          * Reads can do overwrites, we always need to pre-create the file
 224          */
 225         if (td_read(td) || td_rw(td))
 226                 o->overwrite = 1;
 227
 228         if (!o->min_bs[DDIR_READ])
 229                 o->min_bs[DDIR_READ]= o->bs[DDIR_READ];
 230         if (!o->max_bs[DDIR_READ])
 231                 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
 232         if (!o->min_bs[DDIR_WRITE])
 233                 o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE];
 234         if (!o->max_bs[DDIR_WRITE])
 235                 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
 236
 237         o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
 238
 239         if (!o->file_size_high)
 240                 o->file_size_high = o->file_size_low;
 241
 242         if (o->norandommap && o->verify != VERIFY_NONE) {
 243                 log_err("fio: norandommap given, verify disabled\n");
 244                 o->verify = VERIFY_NONE;
 245         }
 246         if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
 247                 log_err("fio: bs_unaligned may not work with raw io\n");
 248
 249         /*
 250          * thinktime_spin must be less than thinktime
 251          */
 252         if (o->thinktime_spin > o->thinktime)
 253                 o->thinktime_spin = o->thinktime;
 254
 255         /*
 256          * The low water mark cannot be bigger than the iodepth
 257          */
 258         if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
 259                 /*
 260                  * syslet work around - if the workload is sequential,
 261                  * we want to let the queue drain all the way down to
 262                  * avoid seeking between async threads
 263                  */
 264                 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
 265                         o->iodepth_low = 1;
 266                 else
 267                         o->iodepth_low = o->iodepth;
 268         }
 269
 270         /*
 271          * If batch number isn't set, default to the same as iodepth
 272          */
 273         if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
 274                 o->iodepth_batch = o->iodepth;
 275
 276         if (o->nr_files > td->files_index)
 277                 o->nr_files = td->files_index;
 278
 279         if (o->open_files > o->nr_files || !o->open_files)
 280                 o->open_files = o->nr_files;
 281
 282         if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) {
 283                 log_err("fio: rate and rate_iops are mutually exclusive\n");
 284                 return 1;
 285         }
 286         if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) {
 287                 log_err("fio: minimum rate exceeds rate\n");
 288                 return 1;
 289         }
 290
 291         if (!o->timeout && o->time_based) {
 292                 log_err("fio: time_based requires a runtime/timeout setting\n");
 293                 o->time_based = 0;
 294         }
 295
 296         return 0;
 297 }
 298
 299 /*
 300  * This function leaks the buffer
 301  */
 302 static char *to_kmg(unsigned int val)
 303 {
 304         char *buf = malloc(32);
 305         char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
 306         char *p = post;
 307
 308         do {
 309                 if (val & 1023)
 310                         break;
 311
 312                 val >>= 10;
 313                 p++;
 314         } while (*p);
 315
 316         snprintf(buf, 31, "%u%c", val, *p);
 317         return buf;
 318 }
 319
 320 /* External engines are specified by "external:name.o") */
 321 static const char *get_engine_name(const char *str)
 322 {
 323         char *p = strstr(str, ":");
 324
 325         if (!p)
 326                 return str;
 327
 328         p++;
 329         strip_blank_front(&p);
 330         strip_blank_end(p);
 331         return p;
 332 }
 333
 334 static int exists_and_not_file(const char *filename)
 335 {
 336         struct stat sb;
 337
 338         if (lstat(filename, &sb) == -1)
 339                 return 0;
 340
 341         if (S_ISREG(sb.st_mode))
 342                 return 0;
 343
 344         return 1;
 345 }
 346
 347 /*
 348  * Initialize the various random states we need (random io, block size ranges,
 349  * read/write mix, etc).
 350  */
 351 static int init_random_state(struct thread_data *td)
 352 {
 353         unsigned long seeds[6];
 354         int fd;
 355
 356         fd = open("/dev/urandom", O_RDONLY);
 357         if (fd == -1) {
 358                 td_verror(td, errno, "open");
 359                 return 1;
 360         }
 361
 362         if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
 363                 td_verror(td, EIO, "read");
 364                 close(fd);
 365                 return 1;
 366         }
 367
 368         close(fd);
 369
 370         os_random_seed(seeds[0], &td->bsrange_state);
 371         os_random_seed(seeds[1], &td->verify_state);
 372         os_random_seed(seeds[2], &td->rwmix_state);
 373
 374         if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
 375                 os_random_seed(seeds[3], &td->next_file_state);
 376
 377         os_random_seed(seeds[5], &td->file_size_state);
 378
 379         if (!td_random(td))
 380                 return 0;
 381
 382         if (td->o.rand_repeatable)
 383                 seeds[4] = FIO_RANDSEED * td->thread_number;
 384
 385         os_random_seed(seeds[4], &td->random_state);
 386         return 0;
 387 }
 388
 389 /*
 390  * Adds a job to the list of things todo. Sanitizes the various options
 391  * to make sure we don't have conflicts, and initializes various
 392  * members of td.
 393  */
 394 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
 395 {
 396         const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
 397                                    "randread", "randwrite", "randrw" };
 398         unsigned int i;
 399         const char *engine;
 400         char fname[PATH_MAX];
 401         int numjobs, file_alloced;
 402
 403         /*
 404          * the def_thread is just for options, it's not a real job
 405          */
 406         if (td == &def_thread)
 407                 return 0;
 408
 409         /*
 410          * if we are just dumping the output command line, don't add the job
 411          */
 412         if (dump_cmdline) {
 413                 put_job(td);
 414                 return 0;
 415         }
 416
 417         engine = get_engine_name(td->o.ioengine);
 418         td->io_ops = load_ioengine(td, engine);
 419         if (!td->io_ops) {
 420                 log_err("fio: failed to load engine %s\n", engine);
 421                 goto err;
 422         }
 423
 424         if (td->o.use_thread)
 425                 nr_thread++;
 426         else
 427                 nr_process++;
 428
 429         if (td->o.odirect)
 430                 td->io_ops->flags |= FIO_RAWIO;
 431
 432         file_alloced = 0;
 433         if (!td->o.filename && !td->files_index) {
 434                 file_alloced = 1;
 435
 436                 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
 437                         add_file(td, jobname);
 438                 else {
 439                         for (i = 0; i < td->o.nr_files; i++) {
 440                                 sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i);
 441                                 add_file(td, fname);
 442                         }
 443                 }
 444         }
 445
 446         if (fixup_options(td))
 447                 goto err;
 448
 449         if (td->io_ops->flags & FIO_DISKLESSIO) {
 450                 struct fio_file *f;
 451
 452                 for_each_file(td, f, i)
 453                         f->real_file_size = -1ULL;
 454         }
 455
 456         td->mutex = fio_sem_init(0);
 457
 458         td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
 459         td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
 460         td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
 461         td->ddir_nr = td->o.ddir_nr;
 462
 463         if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group)
 464              && prev_group_jobs) {
 465                 prev_group_jobs = 0;
 466                 groupid++;
 467         }
 468
 469         td->groupid = groupid;
 470         prev_group_jobs++;
 471
 472         if (init_random_state(td))
 473                 goto err;
 474
 475         if (setup_rate(td))
 476                 goto err;
 477
 478         if (td->o.write_lat_log) {
 479                 setup_log(&td->ts.slat_log);
 480                 setup_log(&td->ts.clat_log);
 481         }
 482         if (td->o.write_bw_log)
 483                 setup_log(&td->ts.bw_log);
 484
 485         if (!td->o.name)
 486                 td->o.name = strdup(jobname);
 487
 488         if (!terse_output) {
 489                 if (!job_add_num) {
 490                         if (!strcmp(td->io_ops->name, "cpuio"))
 491                                 log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle);
 492                         else {
 493                                 char *c1, *c2, *c3, *c4;
 494
 495                                 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
 496                                 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
 497                                 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
 498                                 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
 499
 500                                 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);
 501
 502                                 free(c1);
 503                                 free(c2);
 504                                 free(c3);
 505                                 free(c4);
 506                         }
 507                 } else if (job_add_num == 1)
 508                         log_info("...\n");
 509         }
 510
 511         /*
 512          * recurse add identical jobs, clear numjobs and stonewall options
 513          * as they don't apply to sub-jobs
 514          */
 515         numjobs = td->o.numjobs;
 516         while (--numjobs) {
 517                 struct thread_data *td_new = get_new_job(0, td);
 518
 519                 if (!td_new)
 520                         goto err;
 521
 522                 td_new->o.numjobs = 1;
 523                 td_new->o.stonewall = 0;
 524                 td_new->o.new_group = 0;
 525
 526                 if (file_alloced) {
 527                         td_new->o.filename = NULL;
 528                         td_new->files_index = 0;
 529                         td_new->files = NULL;
 530                 }
 531
 532                 job_add_num = numjobs - 1;
 533
 534                 if (add_job(td_new, jobname, job_add_num))
 535                         goto err;
 536         }
 537
 538         return 0;
 539 err:
 540         put_job(td);
 541         return -1;
 542 }
 543
 544 static int is_empty_or_comment(char *line)
 545 {
 546         unsigned int i;
 547
 548         for (i = 0; i < strlen(line); i++) {
 549                 if (line[i] == ';')
 550                         return 1;
 551                 if (line[i] == '#')
 552                         return 1;
 553                 if (!isspace(line[i]) && !iscntrl(line[i]))
 554                         return 0;
 555         }
 556
 557         return 1;
 558 }
 559
 560 /*
 561  * This is our [ini] type file parser.
 562  */
 563 static int parse_jobs_ini(char *file, int stonewall_flag)
 564 {
 565         unsigned int global;
 566         struct thread_data *td;
 567         char *string, *name;
 568         FILE *f;
 569         char *p;
 570         int ret = 0, stonewall;
 571         int first_sect = 1;
 572         int skip_fgets = 0;
 573
 574         if (!strcmp(file, "-"))
 575                 f = stdin;
 576         else
 577                 f = fopen(file, "r");
 578
 579         if (!f) {
 580                 perror("fopen job file");
 581                 return 1;
 582         }
 583
 584         string = malloc(4096);
 585
 586         /*
 587          * it's really 256 + small bit, 280 should suffice
 588          */
 589         name = malloc(280);
 590         memset(name, 0, 280);
 591
 592         stonewall = stonewall_flag;
 593         do {
 594                 /*
 595                  * if skip_fgets is set, we already have loaded a line we
 596                  * haven't handled.
 597                  */
 598                 if (!skip_fgets) {
 599                         p = fgets(string, 4095, f);
 600                         if (!p)
 601                                 break;
 602                 }
 603
 604                 skip_fgets = 0;
 605                 strip_blank_front(&p);
 606                 strip_blank_end(p);
 607
 608                 if (is_empty_or_comment(p))
 609                         continue;
 610                 if (sscanf(p, "[%255s]", name) != 1) {
 611                         log_err("fio: option <%s> outside of [] job section\n", p);
 612                         break;
 613                 }
 614
 615                 global = !strncmp(name, "global", 6);
 616
 617                 name[strlen(name) - 1] = '\0';
 618
 619                 if (dump_cmdline) {
 620                         if (first_sect)
 621                                 log_info("fio ");
 622                         if (!global)
 623                                 log_info("--name=%s ", name);
 624                         first_sect = 0;
 625                 }
 626
 627                 td = get_new_job(global, &def_thread);
 628                 if (!td) {
 629                         ret = 1;
 630                         break;
 631                 }
 632
 633                 /*
 634                  * Seperate multiple job files by a stonewall
 635                  */
 636                 if (!global && stonewall) {
 637                         td->o.stonewall = stonewall;
 638                         stonewall = 0;
 639                 }
 640
 641                 while ((p = fgets(string, 4096, f)) != NULL) {
 642                         if (is_empty_or_comment(p))
 643                                 continue;
 644
 645                         strip_blank_front(&p);
 646
 647                         /*
 648                          * new section, break out and make sure we don't
 649                          * fgets() a new line at the top.
 650                          */
 651                         if (p[0] == '[') {
 652                                 skip_fgets = 1;
 653                                 break;
 654                         }
 655
 656                         strip_blank_end(p);
 657
 658                         /*
 659                          * Don't break here, continue parsing options so we
 660                          * dump all the bad ones. Makes trial/error fixups
 661                          * easier on the user.
 662                          */
 663                         ret |= fio_option_parse(td, p);
 664                         if (!ret && dump_cmdline)
 665                                 log_info("--%s ", p);
 666                 }
 667
 668                 if (!ret)
 669                         ret = add_job(td, name, 0);
 670                 else {
 671                         log_err("fio: job %s dropped\n", name);
 672                         put_job(td);
 673                 }
 674         } while (!ret);
 675
 676         if (dump_cmdline)
 677                 log_info("\n");
 678
 679         free(string);
 680         free(name);
 681         if (f != stdin)
 682                 fclose(f);
 683         return ret;
 684 }
 685
 686 static int fill_def_thread(void)
 687 {
 688         memset(&def_thread, 0, sizeof(def_thread));
 689
 690         fio_getaffinity(getpid(), &def_thread.o.cpumask);
 691
 692         /*
 693          * fill default options
 694          */
 695         fio_fill_default_options(&def_thread);
 696
 697         def_thread.o.timeout = def_timeout;
 698         def_thread.o.write_bw_log = write_bw_log;
 699         def_thread.o.write_lat_log = write_lat_log;
 700
 701         return 0;
 702 }
 703
 704 static void free_shm(void)
 705 {
 706         struct shmid_ds sbuf;
 707
 708         if (threads) {
 709                 shmdt((void *) threads);
 710                 threads = NULL;
 711                 shmctl(shm_id, IPC_RMID, &sbuf);
 712         }
 713 }
 714
 715 /*
 716  * The thread area is shared between the main process and the job
 717  * threads/processes. So setup a shared memory segment that will hold
 718  * all the job info.
 719  */
 720 static int setup_thread_area(void)
 721 {
 722         /*
 723          * 1024 is too much on some machines, scale max_jobs if
 724          * we get a failure that looks like too large a shm segment
 725          */
 726         do {
 727                 size_t size = max_jobs * sizeof(struct thread_data);
 728
 729                 shm_id = shmget(0, size, IPC_CREAT | 0600);
 730                 if (shm_id != -1)
 731                         break;
 732                 if (errno != EINVAL) {
 733                         perror("shmget");
 734                         break;
 735                 }
 736
 737                 max_jobs >>= 1;
 738         } while (max_jobs);
 739
 740         if (shm_id == -1)
 741                 return 1;
 742
 743         threads = shmat(shm_id, NULL, 0);
 744         if (threads == (void *) -1) {
 745                 perror("shmat");
 746                 return 1;
 747         }
 748
 749         memset(threads, 0, max_jobs * sizeof(struct thread_data));
 750         atexit(free_shm);
 751         return 0;
 752 }
 753
 754 static void usage(void)
 755 {
 756         printf("%s\n", fio_version_string);
 757         printf("\t--output\tWrite output to file\n");
 758         printf("\t--timeout\tRuntime in seconds\n");
 759         printf("\t--latency-log\tGenerate per-job latency logs\n");
 760         printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
 761         printf("\t--minimal\tMinimal (terse) output\n");
 762         printf("\t--version\tPrint version info and exit\n");
 763         printf("\t--help\t\tPrint this page\n");
 764         printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n");
 765         printf("\t--showcmd\tTurn a job file into command line options\n");
 766         printf("\t--eta=when\tWhen ETA estimate should be printed\n");
 767         printf("\t          \tMay be \"always\", \"never\" or \"auto\"\n");
 768 }
 769
 770 static int parse_cmd_line(int argc, char *argv[])
 771 {
 772         struct thread_data *td = NULL;
 773         int c, ini_idx = 0, lidx, ret, dont_add_job = 0;
 774
 775         while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) {
 776                 switch (c) {
 777                 case 't':
 778                         def_timeout = atoi(optarg);
 779                         break;
 780                 case 'l':
 781                         write_lat_log = 1;
 782                         break;
 783                 case 'w':
 784                         write_bw_log = 1;
 785                         break;
 786                 case 'o':
 787                         f_out = fopen(optarg, "w+");
 788                         if (!f_out) {
 789                                 perror("fopen output");
 790                                 exit(1);
 791                         }
 792                         f_err = f_out;
 793                         break;
 794                 case 'm':
 795                         terse_output = 1;
 796                         break;
 797                 case 'h':
 798                         usage();
 799                         exit(0);
 800                 case 'c':
 801                         exit(fio_show_option_help(optarg));
 802                 case 's':
 803                         dump_cmdline = 1;
 804                         break;
 805                 case 'r':
 806                         read_only = 1;
 807                         break;
 808                 case 'v':
 809                         printf("%s\n", fio_version_string);
 810                         exit(0);
 811                 case 'e':
 812                         if (!strcmp("always", optarg))
 813                                 eta_print = FIO_ETA_ALWAYS;
 814                         else if (!strcmp("never", optarg))
 815                                 eta_print = FIO_ETA_NEVER;
 816                         break;
 817                 case FIO_GETOPT_JOB: {
 818                         const char *opt = long_options[lidx].name;
 819                         char *val = optarg;
 820
 821                         if (!strncmp(opt, "name", 4) && td) {
 822                                 ret = add_job(td, td->o.name ?: "fio", 0);
 823                                 if (ret) {
 824                                         put_job(td);
 825                                         return 0;
 826                                 }
 827                                 td = NULL;
 828                         }
 829                         if (!td) {
 830                                 int global = 0;
 831
 832                                 if (strncmp(opt, "name", 4) ||
 833                                     !strncmp(val, "global", 6))
 834                                         global = 1;
 835
 836                                 td = get_new_job(global, &def_thread);
 837                                 if (!td)
 838                                         return 0;
 839                         }
 840
 841                         ret = fio_cmd_option_parse(td, opt, val);
 842                         if (ret)
 843                                 dont_add_job = 1;
 844                         break;
 845                 }
 846                 default:
 847                         break;
 848                 }
 849         }
 850
 851         if (td) {
 852                 if (dont_add_job)
 853                         put_job(td);
 854                 else {
 855                         ret = add_job(td, td->o.name ?: "fio", 0);
 856                         if (ret)
 857                                 put_job(td);
 858                 }
 859         }
 860
 861         while (optind < argc) {
 862                 ini_idx++;
 863                 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
 864                 ini_file[ini_idx - 1] = strdup(argv[optind]);
 865                 optind++;
 866         }
 867
 868         return ini_idx;
 869 }
 870
 871
 872 int parse_options(int argc, char *argv[])
 873 {
 874         int job_files, i;
 875
 876         f_out = stdout;
 877         f_err = stderr;
 878
 879         fio_options_dup_and_init(long_options);
 880
 881         if (setup_thread_area())
 882                 return 1;
 883         if (fill_def_thread())
 884                 return 1;
 885
 886         job_files = parse_cmd_line(argc, argv);
 887
 888         for (i = 0; i < job_files; i++) {
 889                 if (fill_def_thread())
 890                         return 1;
 891                 if (parse_jobs_ini(ini_file[i], i))
 892                         return 1;
 893                 free(ini_file[i]);
 894         }
 895
 896         free(ini_file);
 897         options_mem_free(&def_thread);
 898
 899         if (!thread_number) {
 900                 if (dump_cmdline)
 901                         return 0;
 902
 903                 log_err("No jobs defined(s)\n");
 904                 return 1;
 905         }
 906
 907         return 0;
 908 }