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 <sys/ipc.h>
  12 #include <sys/types.h>
  13 #include <sys/stat.h>
  14
  15 #include "fio.h"
  16 #ifndef FIO_NO_HAVE_SHM_H
  17 #include <sys/shm.h>
  18 #endif
  19
  20 #include "parse.h"
  21 #include "smalloc.h"
  22 #include "filehash.h"
  23 #include "verify.h"
  24 #include "profile.h"
  25 #include "server.h"
  26 #include "idletime.h"
  27 #include "filelock.h"
  28
  29 #include "lib/getopt.h"
  30 #include "lib/strcasestr.h"
  31
  32 #include "crc/test.h"
  33
  34 const char fio_version_string[] = FIO_VERSION;
  35
  36 #define FIO_RANDSEED            (0xb1899bedUL)
  37
  38 static char **ini_file;
  39 static int max_jobs = FIO_MAX_JOBS;
  40 static int dump_cmdline;
  41 static long long def_timeout;
  42 static int parse_only;
  43
  44 static struct thread_data def_thread;
  45 struct thread_data *threads = NULL;
  46 static char **job_sections;
  47 static int nr_job_sections;
  48
  49 int exitall_on_terminate = 0;
  50 int output_format = FIO_OUTPUT_NORMAL;
  51 int append_terse_output = 0;
  52 int eta_print = FIO_ETA_AUTO;
  53 int eta_new_line = 0;
  54 FILE *f_out = NULL;
  55 FILE *f_err = NULL;
  56 char *exec_profile = NULL;
  57 int warnings_fatal = 0;
  58 int terse_version = 3;
  59 int is_backend = 0;
  60 int nr_clients = 0;
  61 int log_syslog = 0;
  62
  63 int write_bw_log = 0;
  64 int read_only = 0;
  65 int status_interval = 0;
  66
  67 static int write_lat_log;
  68
  69 static int prev_group_jobs;
  70
  71 unsigned long fio_debug = 0;
  72 unsigned int fio_debug_jobno = -1;
  73 unsigned int *fio_debug_jobp = NULL;
  74
  75 static char cmd_optstr[256];
  76 static int did_arg;
  77
  78 #define FIO_CLIENT_FLAG         (1 << 16)
  79
  80 /*
  81  * Command line options. These will contain the above, plus a few
  82  * extra that only pertain to fio itself and not jobs.
  83  */
  84 static struct option l_opts[FIO_NR_OPTIONS] = {
  85         {
  86                 .name           = (char *) "output",
  87                 .has_arg        = required_argument,
  88                 .val            = 'o' | FIO_CLIENT_FLAG,
  89         },
  90         {
  91                 .name           = (char *) "timeout",
  92                 .has_arg        = required_argument,
  93                 .val            = 't' | FIO_CLIENT_FLAG,
  94         },
  95         {
  96                 .name           = (char *) "latency-log",
  97                 .has_arg        = required_argument,
  98                 .val            = 'l' | FIO_CLIENT_FLAG,
  99         },
 100         {
 101                 .name           = (char *) "bandwidth-log",
 102                 .has_arg        = required_argument,
 103                 .val            = 'b' | FIO_CLIENT_FLAG,
 104         },
 105         {
 106                 .name           = (char *) "minimal",
 107                 .has_arg        = no_argument,
 108                 .val            = 'm' | FIO_CLIENT_FLAG,
 109         },
 110         {
 111                 .name           = (char *) "output-format",
 112                 .has_arg        = optional_argument,
 113                 .val            = 'F' | FIO_CLIENT_FLAG,
 114         },
 115         {
 116                 .name           = (char *) "append-terse",
 117                 .has_arg        = optional_argument,
 118                 .val            = 'f',
 119         },
 120         {
 121                 .name           = (char *) "version",
 122                 .has_arg        = no_argument,
 123                 .val            = 'v' | FIO_CLIENT_FLAG,
 124         },
 125         {
 126                 .name           = (char *) "help",
 127                 .has_arg        = no_argument,
 128                 .val            = 'h' | FIO_CLIENT_FLAG,
 129         },
 130         {
 131                 .name           = (char *) "cmdhelp",
 132                 .has_arg        = optional_argument,
 133                 .val            = 'c' | FIO_CLIENT_FLAG,
 134         },
 135         {
 136                 .name           = (char *) "enghelp",
 137                 .has_arg        = optional_argument,
 138                 .val            = 'i' | FIO_CLIENT_FLAG,
 139         },
 140         {
 141                 .name           = (char *) "showcmd",
 142                 .has_arg        = no_argument,
 143                 .val            = 's' | FIO_CLIENT_FLAG,
 144         },
 145         {
 146                 .name           = (char *) "readonly",
 147                 .has_arg        = no_argument,
 148                 .val            = 'r' | FIO_CLIENT_FLAG,
 149         },
 150         {
 151                 .name           = (char *) "eta",
 152                 .has_arg        = required_argument,
 153                 .val            = 'e' | FIO_CLIENT_FLAG,
 154         },
 155         {
 156                 .name           = (char *) "eta-newline",
 157                 .has_arg        = required_argument,
 158                 .val            = 'E' | FIO_CLIENT_FLAG,
 159         },
 160         {
 161                 .name           = (char *) "debug",
 162                 .has_arg        = required_argument,
 163                 .val            = 'd' | FIO_CLIENT_FLAG,
 164         },
 165         {
 166                 .name           = (char *) "parse-only",
 167                 .has_arg        = no_argument,
 168                 .val            = 'P' | FIO_CLIENT_FLAG,
 169         },
 170         {
 171                 .name           = (char *) "section",
 172                 .has_arg        = required_argument,
 173                 .val            = 'x' | FIO_CLIENT_FLAG,
 174         },
 175         {
 176                 .name           = (char *) "alloc-size",
 177                 .has_arg        = required_argument,
 178                 .val            = 'a' | FIO_CLIENT_FLAG,
 179         },
 180         {
 181                 .name           = (char *) "profile",
 182                 .has_arg        = required_argument,
 183                 .val            = 'p' | FIO_CLIENT_FLAG,
 184         },
 185         {
 186                 .name           = (char *) "warnings-fatal",
 187                 .has_arg        = no_argument,
 188                 .val            = 'w' | FIO_CLIENT_FLAG,
 189         },
 190         {
 191                 .name           = (char *) "max-jobs",
 192                 .has_arg        = required_argument,
 193                 .val            = 'j' | FIO_CLIENT_FLAG,
 194         },
 195         {
 196                 .name           = (char *) "terse-version",
 197                 .has_arg        = required_argument,
 198                 .val            = 'V' | FIO_CLIENT_FLAG,
 199         },
 200         {
 201                 .name           = (char *) "server",
 202                 .has_arg        = optional_argument,
 203                 .val            = 'S',
 204         },
 205         {       .name           = (char *) "daemonize",
 206                 .has_arg        = required_argument,
 207                 .val            = 'D',
 208         },
 209         {
 210                 .name           = (char *) "client",
 211                 .has_arg        = required_argument,
 212                 .val            = 'C',
 213         },
 214         {
 215                 .name           = (char *) "cpuclock-test",
 216                 .has_arg        = no_argument,
 217                 .val            = 'T',
 218         },
 219         {
 220                 .name           = (char *) "crctest",
 221                 .has_arg        = optional_argument,
 222                 .val            = 'G',
 223         },
 224         {
 225                 .name           = (char *) "idle-prof",
 226                 .has_arg        = required_argument,
 227                 .val            = 'I',
 228         },
 229         {
 230                 .name           = (char *) "status-interval",
 231                 .has_arg        = required_argument,
 232                 .val            = 'L',
 233         },
 234         {
 235                 .name           = NULL,
 236         },
 237 };
 238
 239 void free_threads_shm(void)
 240 {
 241         if (threads) {
 242                 void *tp = threads;
 243 #ifndef CONFIG_NO_SHM
 244                 struct shmid_ds sbuf;
 245
 246                 threads = NULL;
 247                 shmdt(tp);
 248                 shmctl(shm_id, IPC_RMID, &sbuf);
 249                 shm_id = -1;
 250 #else
 251                 threads = NULL;
 252                 free(tp);
 253 #endif
 254         }
 255 }
 256
 257 static void free_shm(void)
 258 {
 259         if (threads) {
 260                 file_hash_exit();
 261                 flow_exit();
 262                 fio_debug_jobp = NULL;
 263                 free_threads_shm();
 264         }
 265
 266         options_free(fio_options, &def_thread);
 267         fio_filelock_exit();
 268         scleanup();
 269 }
 270
 271 /*
 272  * The thread area is shared between the main process and the job
 273  * threads/processes. So setup a shared memory segment that will hold
 274  * all the job info. We use the end of the region for keeping track of
 275  * open files across jobs, for file sharing.
 276  */
 277 static int setup_thread_area(void)
 278 {
 279         void *hash;
 280
 281         if (threads)
 282                 return 0;
 283
 284         /*
 285          * 1024 is too much on some machines, scale max_jobs if
 286          * we get a failure that looks like too large a shm segment
 287          */
 288         do {
 289                 size_t size = max_jobs * sizeof(struct thread_data);
 290
 291                 size += file_hash_size;
 292                 size += sizeof(unsigned int);
 293
 294 #ifndef CONFIG_NO_SHM
 295                 shm_id = shmget(0, size, IPC_CREAT | 0600);
 296                 if (shm_id != -1)
 297                         break;
 298                 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) {
 299                         perror("shmget");
 300                         break;
 301                 }
 302 #else
 303                 threads = malloc(size);
 304                 if (threads)
 305                         break;
 306 #endif
 307
 308                 max_jobs >>= 1;
 309         } while (max_jobs);
 310
 311 #ifndef CONFIG_NO_SHM
 312         if (shm_id == -1)
 313                 return 1;
 314
 315         threads = shmat(shm_id, NULL, 0);
 316         if (threads == (void *) -1) {
 317                 perror("shmat");
 318                 return 1;
 319         }
 320 #endif
 321
 322         memset(threads, 0, max_jobs * sizeof(struct thread_data));
 323         hash = (void *) threads + max_jobs * sizeof(struct thread_data);
 324         fio_debug_jobp = (void *) hash + file_hash_size;
 325         *fio_debug_jobp = -1;
 326         file_hash_init(hash);
 327
 328         flow_init();
 329
 330         return 0;
 331 }
 332
 333 static void set_cmd_options(struct thread_data *td)
 334 {
 335         struct thread_options *o = &td->o;
 336
 337         if (!o->timeout)
 338                 o->timeout = def_timeout;
 339 }
 340
 341 /*
 342  * Return a free job structure.
 343  */
 344 static struct thread_data *get_new_job(int global, struct thread_data *parent,
 345                                        int preserve_eo)
 346 {
 347         struct thread_data *td;
 348
 349         if (global) {
 350                 set_cmd_options(&def_thread);
 351                 return &def_thread;
 352         }
 353         if (setup_thread_area()) {
 354                 log_err("error: failed to setup shm segment\n");
 355                 return NULL;
 356         }
 357         if (thread_number >= max_jobs) {
 358                 log_err("error: maximum number of jobs (%d) reached.\n",
 359                                 max_jobs);
 360                 return NULL;
 361         }
 362
 363         td = &threads[thread_number++];
 364         *td = *parent;
 365
 366         td->io_ops = NULL;
 367         if (!preserve_eo)
 368                 td->eo = NULL;
 369
 370         td->o.uid = td->o.gid = -1U;
 371
 372         dup_files(td, parent);
 373         fio_options_mem_dupe(td);
 374
 375         profile_add_hooks(td);
 376
 377         td->thread_number = thread_number;
 378
 379         if (!parent->o.group_reporting)
 380                 stat_number++;
 381
 382         set_cmd_options(td);
 383         return td;
 384 }
 385
 386 static void put_job(struct thread_data *td)
 387 {
 388         if (td == &def_thread)
 389                 return;
 390
 391         profile_td_exit(td);
 392         flow_exit_job(td);
 393
 394         if (td->error)
 395                 log_info("fio: %s\n", td->verror);
 396
 397         fio_options_free(td);
 398         if (td->io_ops)
 399                 free_ioengine(td);
 400
 401         memset(&threads[td->thread_number - 1], 0, sizeof(*td));
 402         thread_number--;
 403 }
 404
 405 static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
 406 {
 407         unsigned int bs = td->o.min_bs[ddir];
 408
 409         assert(ddir_rw(ddir));
 410
 411         if (td->o.rate[ddir])
 412                 td->rate_bps[ddir] = td->o.rate[ddir];
 413         else
 414                 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs;
 415
 416         if (!td->rate_bps[ddir]) {
 417                 log_err("rate lower than supported\n");
 418                 return -1;
 419         }
 420
 421         td->rate_pending_usleep[ddir] = 0;
 422         return 0;
 423 }
 424
 425 static int setup_rate(struct thread_data *td)
 426 {
 427         int ret = 0;
 428
 429         if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
 430                 ret = __setup_rate(td, DDIR_READ);
 431         if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
 432                 ret |= __setup_rate(td, DDIR_WRITE);
 433         if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM])
 434                 ret |= __setup_rate(td, DDIR_TRIM);
 435
 436         return ret;
 437 }
 438
 439 static int fixed_block_size(struct thread_options *o)
 440 {
 441         return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
 442                 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
 443                 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] &&
 444                 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] &&
 445                 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM];
 446 }
 447
 448
 449 static unsigned long long get_rand_start_delay(struct thread_data *td)
 450 {
 451         unsigned long long delayrange;
 452         unsigned long r;
 453
 454         delayrange = td->o.start_delay_high - td->o.start_delay;
 455
 456         if (td->o.use_os_rand) {
 457                 r = os_random_long(&td->delay_state);
 458                 delayrange = (unsigned long long) ((double) delayrange * (r / (OS_RAND_MAX + 1.0)));
 459         } else {
 460                 r = __rand(&td->__delay_state);
 461                 delayrange = (unsigned long long) ((double) delayrange * (r / (FRAND_MAX + 1.0)));
 462         }
 463
 464         delayrange += td->o.start_delay;
 465         return delayrange;
 466 }
 467
 468 /*
 469  * Lazy way of fixing up options that depend on each other. We could also
 470  * define option callback handlers, but this is easier.
 471  */
 472 static int fixup_options(struct thread_data *td)
 473 {
 474         struct thread_options *o = &td->o;
 475         int ret = 0;
 476
 477 #ifndef FIO_HAVE_PSHARED_MUTEX
 478         if (!o->use_thread) {
 479                 log_info("fio: this platform does not support process shared"
 480                          " mutexes, forcing use of threads. Use the 'thread'"
 481                          " option to get rid of this warning.\n");
 482                 o->use_thread = 1;
 483                 ret = warnings_fatal;
 484         }
 485 #endif
 486
 487         if (o->write_iolog_file && o->read_iolog_file) {
 488                 log_err("fio: read iolog overrides write_iolog\n");
 489                 free(o->write_iolog_file);
 490                 o->write_iolog_file = NULL;
 491                 ret = warnings_fatal;
 492         }
 493
 494         /*
 495          * only really works with 1 file
 496          */
 497         if (o->zone_size && o->open_files > 1)
 498                 o->zone_size = 0;
 499
 500         /*
 501          * If zone_range isn't specified, backward compatibility dictates it
 502          * should be made equal to zone_size.
 503          */
 504         if (o->zone_size && !o->zone_range)
 505                 o->zone_range = o->zone_size;
 506
 507         /*
 508          * Reads can do overwrites, we always need to pre-create the file
 509          */
 510         if (td_read(td) || td_rw(td))
 511                 o->overwrite = 1;
 512
 513         if (!o->min_bs[DDIR_READ])
 514                 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
 515         if (!o->max_bs[DDIR_READ])
 516                 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
 517         if (!o->min_bs[DDIR_WRITE])
 518                 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
 519         if (!o->max_bs[DDIR_WRITE])
 520                 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
 521         if (!o->min_bs[DDIR_TRIM])
 522                 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
 523         if (!o->max_bs[DDIR_TRIM])
 524                 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
 525
 526
 527         o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
 528         o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs);
 529
 530         /*
 531          * For random IO, allow blockalign offset other than min_bs.
 532          */
 533         if (!o->ba[DDIR_READ] || !td_random(td))
 534                 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
 535         if (!o->ba[DDIR_WRITE] || !td_random(td))
 536                 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
 537         if (!o->ba[DDIR_TRIM] || !td_random(td))
 538                 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM];
 539
 540         if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
 541             o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] ||
 542             o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) &&
 543             !o->norandommap) {
 544                 log_err("fio: Any use of blockalign= turns off randommap\n");
 545                 o->norandommap = 1;
 546                 ret = warnings_fatal;
 547         }
 548
 549         if (!o->file_size_high)
 550                 o->file_size_high = o->file_size_low;
 551
 552         if (o->start_delay_high)
 553                 o->start_delay = get_rand_start_delay(td);
 554
 555         if (o->norandommap && o->verify != VERIFY_NONE
 556             && !fixed_block_size(o))  {
 557                 log_err("fio: norandommap given for variable block sizes, "
 558                         "verify disabled\n");
 559                 o->verify = VERIFY_NONE;
 560                 ret = warnings_fatal;
 561         }
 562         if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
 563                 log_err("fio: bs_unaligned may not work with raw io\n");
 564
 565         /*
 566          * thinktime_spin must be less than thinktime
 567          */
 568         if (o->thinktime_spin > o->thinktime)
 569                 o->thinktime_spin = o->thinktime;
 570
 571         /*
 572          * The low water mark cannot be bigger than the iodepth
 573          */
 574         if (o->iodepth_low > o->iodepth || !o->iodepth_low)
 575                 o->iodepth_low = o->iodepth;
 576
 577         /*
 578          * If batch number isn't set, default to the same as iodepth
 579          */
 580         if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
 581                 o->iodepth_batch = o->iodepth;
 582
 583         if (o->nr_files > td->files_index)
 584                 o->nr_files = td->files_index;
 585
 586         if (o->open_files > o->nr_files || !o->open_files)
 587                 o->open_files = o->nr_files;
 588
 589         if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) &&
 590             (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) ||
 591             ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) &&
 592             (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) {
 593                 log_err("fio: rate and rate_iops are mutually exclusive\n");
 594                 ret = 1;
 595         }
 596         if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) ||
 597             (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) ||
 598             (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) ||
 599             (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) ||
 600             (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) ||
 601             (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) {
 602                 log_err("fio: minimum rate exceeds rate\n");
 603                 ret = 1;
 604         }
 605
 606         if (!o->timeout && o->time_based) {
 607                 log_err("fio: time_based requires a runtime/timeout setting\n");
 608                 o->time_based = 0;
 609                 ret = warnings_fatal;
 610         }
 611
 612         if (o->fill_device && !o->size)
 613                 o->size = -1ULL;
 614
 615         if (o->verify != VERIFY_NONE) {
 616                 if (td_write(td) && o->do_verify && o->numjobs > 1) {
 617                         log_info("Multiple writers may overwrite blocks that "
 618                                 "belong to other jobs. This can cause "
 619                                 "verification failures.\n");
 620                         ret = warnings_fatal;
 621                 }
 622
 623                 o->refill_buffers = 1;
 624                 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
 625                     !o->verify_interval)
 626                         o->verify_interval = o->min_bs[DDIR_WRITE];
 627         }
 628
 629         if (o->pre_read) {
 630                 o->invalidate_cache = 0;
 631                 if (td->io_ops->flags & FIO_PIPEIO) {
 632                         log_info("fio: cannot pre-read files with an IO engine"
 633                                  " that isn't seekable. Pre-read disabled.\n");
 634                         ret = warnings_fatal;
 635                 }
 636         }
 637
 638         if (!o->unit_base) {
 639                 if (td->io_ops->flags & FIO_BIT_BASED)
 640                         o->unit_base = 1;
 641                 else
 642                         o->unit_base = 8;
 643         }
 644
 645 #ifndef CONFIG_FDATASYNC
 646         if (o->fdatasync_blocks) {
 647                 log_info("fio: this platform does not support fdatasync()"
 648                          " falling back to using fsync().  Use the 'fsync'"
 649                          " option instead of 'fdatasync' to get rid of"
 650                          " this warning\n");
 651                 o->fsync_blocks = o->fdatasync_blocks;
 652                 o->fdatasync_blocks = 0;
 653                 ret = warnings_fatal;
 654         }
 655 #endif
 656
 657 #ifdef WIN32
 658         /*
 659          * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
 660          * so fail if we're passed those flags
 661          */
 662         if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
 663                 log_err("fio: Windows does not support direct or non-buffered io with"
 664                                 " the synchronous ioengines. Use the 'windowsaio' ioengine"
 665                                 " with 'direct=1' and 'iodepth=1' instead.\n");
 666                 ret = 1;
 667         }
 668 #endif
 669
 670         /*
 671          * For fully compressible data, just zero them at init time.
 672          * It's faster than repeatedly filling it.
 673          */
 674         if (td->o.compress_percentage == 100) {
 675                 td->o.zero_buffers = 1;
 676                 td->o.compress_percentage = 0;
 677         }
 678
 679         /*
 680          * Using a non-uniform random distribution excludes usage of
 681          * a random map
 682          */
 683         if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
 684                 td->o.norandommap = 1;
 685
 686         /*
 687          * If size is set but less than the min block size, complain
 688          */
 689         if (o->size && o->size < td_min_bs(td)) {
 690                 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
 691                 ret = 1;
 692         }
 693
 694         /*
 695          * O_ATOMIC implies O_DIRECT
 696          */
 697         if (td->o.oatomic)
 698                 td->o.odirect = 1;
 699
 700         /*
 701          * If randseed is set, that overrides randrepeat
 702          */
 703         if (td->o.rand_seed)
 704                 td->o.rand_repeatable = 0;
 705
 706         if ((td->io_ops->flags & FIO_NOEXTEND) && td->o.file_append) {
 707                 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
 708                 ret = 1;
 709         }
 710
 711         return ret;
 712 }
 713
 714 /*
 715  * This function leaks the buffer
 716  */
 717 char *fio_uint_to_kmg(unsigned int val)
 718 {
 719         char *buf = malloc(32);
 720         char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
 721         char *p = post;
 722
 723         do {
 724                 if (val & 1023)
 725                         break;
 726
 727                 val >>= 10;
 728                 p++;
 729         } while (*p);
 730
 731         snprintf(buf, 32, "%u%c", val, *p);
 732         return buf;
 733 }
 734
 735 /* External engines are specified by "external:name.o") */
 736 static const char *get_engine_name(const char *str)
 737 {
 738         char *p = strstr(str, ":");
 739
 740         if (!p)
 741                 return str;
 742
 743         p++;
 744         strip_blank_front(&p);
 745         strip_blank_end(p);
 746         return p;
 747 }
 748
 749 static int exists_and_not_file(const char *filename)
 750 {
 751         struct stat sb;
 752
 753         if (lstat(filename, &sb) == -1)
 754                 return 0;
 755
 756         /* \\.\ is the device namespace in Windows, where every file
 757          * is a device node */
 758         if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
 759                 return 0;
 760
 761         return 1;
 762 }
 763
 764 static void td_fill_rand_seeds_os(struct thread_data *td)
 765 {
 766         os_random_seed(td->rand_seeds[FIO_RAND_BS_OFF], &td->bsrange_state);
 767         os_random_seed(td->rand_seeds[FIO_RAND_VER_OFF], &td->verify_state);
 768         os_random_seed(td->rand_seeds[FIO_RAND_MIX_OFF], &td->rwmix_state);
 769
 770         if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
 771                 os_random_seed(td->rand_seeds[FIO_RAND_FILE_OFF], &td->next_file_state);
 772
 773         os_random_seed(td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], &td->file_size_state);
 774         os_random_seed(td->rand_seeds[FIO_RAND_TRIM_OFF], &td->trim_state);
 775         os_random_seed(td->rand_seeds[FIO_RAND_START_DELAY], &td->delay_state);
 776
 777         if (!td_random(td))
 778                 return;
 779
 780         if (td->o.rand_repeatable)
 781                 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
 782
 783         os_random_seed(td->rand_seeds[FIO_RAND_BLOCK_OFF], &td->random_state);
 784
 785         os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], &td->seq_rand_state[DDIR_READ]);
 786         os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF], &td->seq_rand_state[DDIR_WRITE]);
 787         os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF], &td->seq_rand_state[DDIR_TRIM]);
 788 }
 789
 790 static void td_fill_rand_seeds_internal(struct thread_data *td)
 791 {
 792         init_rand_seed(&td->__bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]);
 793         init_rand_seed(&td->__verify_state, td->rand_seeds[FIO_RAND_VER_OFF]);
 794         init_rand_seed(&td->__rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]);
 795
 796         if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
 797                 init_rand_seed(&td->__next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]);
 798
 799         init_rand_seed(&td->__file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]);
 800         init_rand_seed(&td->__trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]);
 801         init_rand_seed(&td->__delay_state, td->rand_seeds[FIO_RAND_START_DELAY]);
 802
 803         if (!td_random(td))
 804                 return;
 805
 806         if (td->o.rand_repeatable)
 807                 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
 808
 809         init_rand_seed(&td->__random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
 810         init_rand_seed(&td->__seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF]);
 811         init_rand_seed(&td->__seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF]);
 812         init_rand_seed(&td->__seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF]);
 813 }
 814
 815 void td_fill_rand_seeds(struct thread_data *td)
 816 {
 817         if (td->o.allrand_repeatable) {
 818                 for (int i = 0; i < FIO_RAND_NR_OFFS; i++)
 819                         td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
 820                                 + i;
 821         }
 822
 823         if (td->o.use_os_rand)
 824                 td_fill_rand_seeds_os(td);
 825         else
 826                 td_fill_rand_seeds_internal(td);
 827
 828         init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]);
 829 }
 830
 831 /*
 832  * Initializes the ioengine configured for a job, if it has not been done so
 833  * already.
 834  */
 835 int ioengine_load(struct thread_data *td)
 836 {
 837         const char *engine;
 838
 839         /*
 840          * Engine has already been loaded.
 841          */
 842         if (td->io_ops)
 843                 return 0;
 844         if (!td->o.ioengine) {
 845                 log_err("fio: internal fault, no IO engine specified\n");
 846                 return 1;
 847         }
 848
 849         engine = get_engine_name(td->o.ioengine);
 850         td->io_ops = load_ioengine(td, engine);
 851         if (!td->io_ops) {
 852                 log_err("fio: failed to load engine %s\n", engine);
 853                 return 1;
 854         }
 855
 856         if (td->io_ops->option_struct_size && td->io_ops->options) {
 857                 /*
 858                  * In cases where td->eo is set, clone it for a child thread.
 859                  * This requires that the parent thread has the same ioengine,
 860                  * but that requirement must be enforced by the code which
 861                  * cloned the thread.
 862                  */
 863                 void *origeo = td->eo;
 864                 /*
 865                  * Otherwise use the default thread options.
 866                  */
 867                 if (!origeo && td != &def_thread && def_thread.eo &&
 868                     def_thread.io_ops->options == td->io_ops->options)
 869                         origeo = def_thread.eo;
 870
 871                 options_init(td->io_ops->options);
 872                 td->eo = malloc(td->io_ops->option_struct_size);
 873                 /*
 874                  * Use the default thread as an option template if this uses the
 875                  * same options structure and there are non-default options
 876                  * used.
 877                  */
 878                 if (origeo) {
 879                         memcpy(td->eo, origeo, td->io_ops->option_struct_size);
 880                         options_mem_dupe(td->eo, td->io_ops->options);
 881                 } else {
 882                         memset(td->eo, 0, td->io_ops->option_struct_size);
 883                         fill_default_options(td->eo, td->io_ops->options);
 884                 }
 885                 *(struct thread_data **)td->eo = td;
 886         }
 887
 888         return 0;
 889 }
 890
 891 static void init_flags(struct thread_data *td)
 892 {
 893         struct thread_options *o = &td->o;
 894
 895         if (o->verify_backlog)
 896                 td->flags |= TD_F_VER_BACKLOG;
 897         if (o->trim_backlog)
 898                 td->flags |= TD_F_TRIM_BACKLOG;
 899         if (o->read_iolog_file)
 900                 td->flags |= TD_F_READ_IOLOG;
 901         if (o->refill_buffers)
 902                 td->flags |= TD_F_REFILL_BUFFERS;
 903         if (o->scramble_buffers)
 904                 td->flags |= TD_F_SCRAMBLE_BUFFERS;
 905         if (o->verify != VERIFY_NONE)
 906                 td->flags |= TD_F_VER_NONE;
 907 }
 908
 909 static int setup_random_seeds(struct thread_data *td)
 910 {
 911         unsigned long seed;
 912         unsigned int i;
 913
 914         if (!td->o.rand_repeatable && !td->o.rand_seed)
 915                 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
 916
 917         if (!td->o.rand_seed)
 918                 seed = 0x89;
 919         else
 920                 seed = td->o.rand_seed;
 921
 922         for (i = 0; i < 4; i++)
 923                 seed *= 0x9e370001UL;
 924
 925         for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
 926                 td->rand_seeds[i] = seed;
 927                 seed *= 0x9e370001UL;
 928         }
 929
 930         td_fill_rand_seeds(td);
 931         return 0;
 932 }
 933
 934 enum {
 935         FPRE_NONE = 0,
 936         FPRE_JOBNAME,
 937         FPRE_JOBNUM,
 938         FPRE_FILENUM
 939 };
 940
 941 static struct fpre_keyword {
 942         const char *keyword;
 943         size_t strlen;
 944         int key;
 945 } fpre_keywords[] = {
 946         { .keyword = "$jobname",        .key = FPRE_JOBNAME, },
 947         { .keyword = "$jobnum",         .key = FPRE_JOBNUM, },
 948         { .keyword = "$filenum",        .key = FPRE_FILENUM, },
 949         { .keyword = NULL, },
 950         };
 951
 952 static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
 953                            const char *jobname, int jobnum, int filenum)
 954 {
 955         struct fpre_keyword *f;
 956         char copy[PATH_MAX];
 957         size_t dst_left = PATH_MAX - 1;
 958
 959         if (!o->filename_format || !strlen(o->filename_format)) {
 960                 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
 961                 return NULL;
 962         }
 963
 964         for (f = &fpre_keywords[0]; f->keyword; f++)
 965                 f->strlen = strlen(f->keyword);
 966
 967         buf[buf_size - 1] = '\0';
 968         strncpy(buf, o->filename_format, buf_size - 1);
 969
 970         memset(copy, 0, sizeof(copy));
 971         for (f = &fpre_keywords[0]; f->keyword; f++) {
 972                 do {
 973                         size_t pre_len, post_start = 0;
 974                         char *str, *dst = copy;
 975
 976                         str = strcasestr(buf, f->keyword);
 977                         if (!str)
 978                                 break;
 979
 980                         pre_len = str - buf;
 981                         if (strlen(str) != f->strlen)
 982                                 post_start = pre_len + f->strlen;
 983
 984                         if (pre_len) {
 985                                 strncpy(dst, buf, pre_len);
 986                                 dst += pre_len;
 987                                 dst_left -= pre_len;
 988                         }
 989
 990                         switch (f->key) {
 991                         case FPRE_JOBNAME: {
 992                                 int ret;
 993
 994                                 ret = snprintf(dst, dst_left, "%s", jobname);
 995                                 if (ret < 0)
 996                                         break;
 997                                 dst += ret;
 998                                 dst_left -= ret;
 999                                 break;
1000                                 }
1001                         case FPRE_JOBNUM: {
1002                                 int ret;
1003
1004                                 ret = snprintf(dst, dst_left, "%d", jobnum);
1005                                 if (ret < 0)
1006                                         break;
1007                                 dst += ret;
1008                                 dst_left -= ret;
1009                                 break;
1010                                 }
1011                         case FPRE_FILENUM: {
1012                                 int ret;
1013
1014                                 ret = snprintf(dst, dst_left, "%d", filenum);
1015                                 if (ret < 0)
1016                                         break;
1017                                 dst += ret;
1018                                 dst_left -= ret;
1019                                 break;
1020                                 }
1021                         default:
1022                                 assert(0);
1023                                 break;
1024                         }
1025
1026                         if (post_start)
1027                                 strncpy(dst, buf + post_start, dst_left);
1028
1029                         strncpy(buf, copy, buf_size - 1);
1030                 } while (1);
1031         }
1032
1033         return buf;
1034 }
1035
1036 int parse_dryrun(void)
1037 {
1038         return dump_cmdline || parse_only;
1039 }
1040
1041 /*
1042  * Adds a job to the list of things todo. Sanitizes the various options
1043  * to make sure we don't have conflicts, and initializes various
1044  * members of td.
1045  */
1046 static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
1047                    int recursed, int client_type)
1048 {
1049         unsigned int i;
1050         char fname[PATH_MAX];
1051         int numjobs, file_alloced;
1052         struct thread_options *o = &td->o;
1053
1054         /*
1055          * the def_thread is just for options, it's not a real job
1056          */
1057         if (td == &def_thread)
1058                 return 0;
1059
1060         init_flags(td);
1061
1062         /*
1063          * if we are just dumping the output command line, don't add the job
1064          */
1065         if (parse_dryrun()) {
1066                 put_job(td);
1067                 return 0;
1068         }
1069
1070         td->client_type = client_type;
1071
1072         if (profile_td_init(td))
1073                 goto err;
1074
1075         if (ioengine_load(td))
1076                 goto err;
1077
1078         if (o->odirect)
1079                 td->io_ops->flags |= FIO_RAWIO;
1080
1081         file_alloced = 0;
1082         if (!o->filename && !td->files_index && !o->read_iolog_file) {
1083                 file_alloced = 1;
1084
1085                 if (o->nr_files == 1 && exists_and_not_file(jobname))
1086                         add_file(td, jobname, job_add_num, 0);
1087                 else {
1088                         for (i = 0; i < o->nr_files; i++)
1089                                 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
1090                 }
1091         }
1092
1093         if (fixup_options(td))
1094                 goto err;
1095
1096         flow_init_job(td);
1097
1098         /*
1099          * IO engines only need this for option callbacks, and the address may
1100          * change in subprocesses.
1101          */
1102         if (td->eo)
1103                 *(struct thread_data **)td->eo = NULL;
1104
1105         if (td->io_ops->flags & FIO_DISKLESSIO) {
1106                 struct fio_file *f;
1107
1108                 for_each_file(td, f, i)
1109                         f->real_file_size = -1ULL;
1110         }
1111
1112         td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
1113
1114         td->ts.clat_percentiles = o->clat_percentiles;
1115         td->ts.percentile_precision = o->percentile_precision;
1116         memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
1117
1118         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1119                 td->ts.clat_stat[i].min_val = ULONG_MAX;
1120                 td->ts.slat_stat[i].min_val = ULONG_MAX;
1121                 td->ts.lat_stat[i].min_val = ULONG_MAX;
1122                 td->ts.bw_stat[i].min_val = ULONG_MAX;
1123         }
1124         td->ddir_seq_nr = o->ddir_seq_nr;
1125
1126         if ((o->stonewall || o->new_group) && prev_group_jobs) {
1127                 prev_group_jobs = 0;
1128                 groupid++;
1129         }
1130
1131         td->groupid = groupid;
1132         prev_group_jobs++;
1133
1134         if (setup_random_seeds(td)) {
1135                 td_verror(td, errno, "init_random_state");
1136                 goto err;
1137         }
1138
1139         if (setup_rate(td))
1140                 goto err;
1141
1142         if (o->lat_log_file || write_lat_log) {
1143                 setup_log(&td->lat_log, o->log_avg_msec, IO_LOG_TYPE_LAT);
1144                 setup_log(&td->slat_log, o->log_avg_msec, IO_LOG_TYPE_SLAT);
1145                 setup_log(&td->clat_log, o->log_avg_msec, IO_LOG_TYPE_CLAT);
1146         }
1147         if (o->bw_log_file || write_bw_log)
1148                 setup_log(&td->bw_log, o->log_avg_msec, IO_LOG_TYPE_BW);
1149         if (o->iops_log_file)
1150                 setup_log(&td->iops_log, o->log_avg_msec, IO_LOG_TYPE_IOPS);
1151
1152         if (!o->name)
1153                 o->name = strdup(jobname);
1154
1155         if (output_format == FIO_OUTPUT_NORMAL) {
1156                 if (!job_add_num) {
1157                         if (is_backend && !recursed)
1158                                 fio_server_send_add_job(td);
1159
1160                         if (!(td->io_ops->flags & FIO_NOIO)) {
1161                                 char *c1, *c2, *c3, *c4;
1162                                 char *c5 = NULL, *c6 = NULL;
1163
1164                                 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1165                                 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1166                                 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1167                                 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
1168
1169                                 if (!o->bs_is_seq_rand) {
1170                                         c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1171                                         c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1172                                 }
1173
1174                                 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1175                                                         td->groupid,
1176                                                         ddir_str(o->td_ddir));
1177
1178                                 if (o->bs_is_seq_rand)
1179                                         log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1180                                                         c1, c2, c3, c4);
1181                                 else
1182                                         log_info("bs=%s-%s/%s-%s/%s-%s, ",
1183                                                         c1, c2, c3, c4, c5, c6);
1184
1185                                 log_info("ioengine=%s, iodepth=%u\n",
1186                                                 td->io_ops->name, o->iodepth);
1187
1188                                 free(c1);
1189                                 free(c2);
1190                                 free(c3);
1191                                 free(c4);
1192                                 free(c5);
1193                                 free(c6);
1194                         }
1195                 } else if (job_add_num == 1)
1196                         log_info("...\n");
1197         }
1198
1199         /*
1200          * recurse add identical jobs, clear numjobs and stonewall options
1201          * as they don't apply to sub-jobs
1202          */
1203         numjobs = o->numjobs;
1204         while (--numjobs) {
1205                 struct thread_data *td_new = get_new_job(0, td, 1);
1206
1207                 if (!td_new)
1208                         goto err;
1209
1210                 td_new->o.numjobs = 1;
1211                 td_new->o.stonewall = 0;
1212                 td_new->o.new_group = 0;
1213
1214                 if (file_alloced) {
1215                         if (td_new->files) {
1216                                 struct fio_file *f;
1217                                 for_each_file(td_new, f, i) {
1218                                         if (f->file_name)
1219                                                 sfree(f->file_name);
1220                                         sfree(f);
1221                                 }
1222                                 free(td_new->files);
1223                                 td_new->files = NULL;
1224                         }
1225                         td_new->files_index = 0;
1226                         td_new->files_size = 0;
1227                         if (td_new->o.filename) {
1228                                 free(td_new->o.filename);
1229                                 td_new->o.filename = NULL;
1230                         }
1231                 }
1232
1233                 if (add_job(td_new, jobname, numjobs, 1, client_type))
1234                         goto err;
1235         }
1236
1237         return 0;
1238 err:
1239         put_job(td);
1240         return -1;
1241 }
1242
1243 /*
1244  * Parse as if 'o' was a command line
1245  */
1246 void add_job_opts(const char **o, int client_type)
1247 {
1248         struct thread_data *td, *td_parent;
1249         int i, in_global = 1;
1250         char jobname[32];
1251
1252         i = 0;
1253         td_parent = td = NULL;
1254         while (o[i]) {
1255                 if (!strncmp(o[i], "name", 4)) {
1256                         in_global = 0;
1257                         if (td)
1258                                 add_job(td, jobname, 0, 0, client_type);
1259                         td = NULL;
1260                         sprintf(jobname, "%s", o[i] + 5);
1261                 }
1262                 if (in_global && !td_parent)
1263                         td_parent = get_new_job(1, &def_thread, 0);
1264                 else if (!in_global && !td) {
1265                         if (!td_parent)
1266                                 td_parent = &def_thread;
1267                         td = get_new_job(0, td_parent, 0);
1268                 }
1269                 if (in_global)
1270                         fio_options_parse(td_parent, (char **) &o[i], 1, 0);
1271                 else
1272                         fio_options_parse(td, (char **) &o[i], 1, 0);
1273                 i++;
1274         }
1275
1276         if (td)
1277                 add_job(td, jobname, 0, 0, client_type);
1278 }
1279
1280 static int skip_this_section(const char *name)
1281 {
1282         int i;
1283
1284         if (!nr_job_sections)
1285                 return 0;
1286         if (!strncmp(name, "global", 6))
1287                 return 0;
1288
1289         for (i = 0; i < nr_job_sections; i++)
1290                 if (!strcmp(job_sections[i], name))
1291                         return 0;
1292
1293         return 1;
1294 }
1295
1296 static int is_empty_or_comment(char *line)
1297 {
1298         unsigned int i;
1299
1300         for (i = 0; i < strlen(line); i++) {
1301                 if (line[i] == ';')
1302                         return 1;
1303                 if (line[i] == '#')
1304                         return 1;
1305                 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
1306                         return 0;
1307         }
1308
1309         return 1;
1310 }
1311
1312 /*
1313  * This is our [ini] type file parser.
1314  */
1315 int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
1316 {
1317         unsigned int global;
1318         struct thread_data *td;
1319         char *string, *name;
1320         FILE *f;
1321         char *p;
1322         int ret = 0, stonewall;
1323         int first_sect = 1;
1324         int skip_fgets = 0;
1325         int inside_skip = 0;
1326         char **opts;
1327         int i, alloc_opts, num_opts;
1328
1329         if (is_buf)
1330                 f = NULL;
1331         else {
1332                 if (!strcmp(file, "-"))
1333                         f = stdin;
1334                 else
1335                         f = fopen(file, "r");
1336
1337                 if (!f) {
1338                         perror("fopen job file");
1339                         return 1;
1340                 }
1341         }
1342
1343         string = malloc(4096);
1344
1345         /*
1346          * it's really 256 + small bit, 280 should suffice
1347          */
1348         name = malloc(280);
1349         memset(name, 0, 280);
1350
1351         alloc_opts = 8;
1352         opts = malloc(sizeof(char *) * alloc_opts);
1353         num_opts = 0;
1354
1355         stonewall = stonewall_flag;
1356         do {
1357                 /*
1358                  * if skip_fgets is set, we already have loaded a line we
1359                  * haven't handled.
1360                  */
1361                 if (!skip_fgets) {
1362                         if (is_buf)
1363                                 p = strsep(&file, "\n");
1364                         else
1365                                 p = fgets(string, 4096, f);
1366                         if (!p)
1367                                 break;
1368                 }
1369
1370                 skip_fgets = 0;
1371                 strip_blank_front(&p);
1372                 strip_blank_end(p);
1373
1374                 if (is_empty_or_comment(p))
1375                         continue;
1376                 if (sscanf(p, "[%255[^\n]]", name) != 1) {
1377                         if (inside_skip)
1378                                 continue;
1379                         log_err("fio: option <%s> outside of [] job section\n",
1380                                                                         p);
1381                         break;
1382                 }
1383
1384                 name[strlen(name) - 1] = '\0';
1385
1386                 if (skip_this_section(name)) {
1387                         inside_skip = 1;
1388                         continue;
1389                 } else
1390                         inside_skip = 0;
1391
1392                 global = !strncmp(name, "global", 6);
1393
1394                 if (dump_cmdline) {
1395                         if (first_sect)
1396                                 log_info("fio ");
1397                         if (!global)
1398                                 log_info("--name=%s ", name);
1399                         first_sect = 0;
1400                 }
1401
1402                 td = get_new_job(global, &def_thread, 0);
1403                 if (!td) {
1404                         ret = 1;
1405                         break;
1406                 }
1407
1408                 /*
1409                  * Separate multiple job files by a stonewall
1410                  */
1411                 if (!global && stonewall) {
1412                         td->o.stonewall = stonewall;
1413                         stonewall = 0;
1414                 }
1415
1416                 num_opts = 0;
1417                 memset(opts, 0, alloc_opts * sizeof(char *));
1418
1419                 while (1) {
1420                         if (is_buf)
1421                                 p = strsep(&file, "\n");
1422                         else
1423                                 p = fgets(string, 4096, f);
1424                         if (!p)
1425                                 break;
1426
1427                         if (is_empty_or_comment(p))
1428                                 continue;
1429
1430                         strip_blank_front(&p);
1431
1432                         /*
1433                          * new section, break out and make sure we don't
1434                          * fgets() a new line at the top.
1435                          */
1436                         if (p[0] == '[') {
1437                                 skip_fgets = 1;
1438                                 break;
1439                         }
1440
1441                         strip_blank_end(p);
1442
1443                         if (num_opts == alloc_opts) {
1444                                 alloc_opts <<= 1;
1445                                 opts = realloc(opts,
1446                                                 alloc_opts * sizeof(char *));
1447                         }
1448
1449                         opts[num_opts] = strdup(p);
1450                         num_opts++;
1451                 }
1452
1453                 ret = fio_options_parse(td, opts, num_opts, dump_cmdline);
1454                 if (!ret)
1455                         ret = add_job(td, name, 0, 0, type);
1456                 else {
1457                         log_err("fio: job %s dropped\n", name);
1458                         put_job(td);
1459                 }
1460
1461                 for (i = 0; i < num_opts; i++)
1462                         free(opts[i]);
1463                 num_opts = 0;
1464         } while (!ret);
1465
1466         if (dump_cmdline)
1467                 log_info("\n");
1468
1469         i = 0;
1470         while (i < nr_job_sections) {
1471                 free(job_sections[i]);
1472                 i++;
1473         }
1474
1475         free(string);
1476         free(name);
1477         free(opts);
1478         if (!is_buf && f != stdin)
1479                 fclose(f);
1480         return ret;
1481 }
1482
1483 static int fill_def_thread(void)
1484 {
1485         memset(&def_thread, 0, sizeof(def_thread));
1486
1487         fio_getaffinity(getpid(), &def_thread.o.cpumask);
1488         def_thread.o.error_dump = 1;
1489
1490         /*
1491          * fill default options
1492          */
1493         fio_fill_default_options(&def_thread);
1494         return 0;
1495 }
1496
1497 static void usage(const char *name)
1498 {
1499         printf("%s\n", fio_version_string);
1500         printf("%s [options] [job options] <job file(s)>\n", name);
1501         printf("  --debug=options\tEnable debug logging. May be one/more of:\n"
1502                 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n"
1503                 "\t\t\tdiskutil,job,mutex,profile,time,net,rate\n");
1504         printf("  --parse-only\t\tParse options only, don't start any IO\n");
1505         printf("  --output\t\tWrite output to file\n");
1506         printf("  --runtime\t\tRuntime in seconds\n");
1507         printf("  --latency-log\t\tGenerate per-job latency logs\n");
1508         printf("  --bandwidth-log\tGenerate per-job bandwidth logs\n");
1509         printf("  --minimal\t\tMinimal (terse) output\n");
1510         printf("  --output-format=x\tOutput format (terse,json,normal)\n");
1511         printf("  --terse-version=x\tSet terse version output format to 'x'\n");
1512         printf("  --version\t\tPrint version info and exit\n");
1513         printf("  --help\t\tPrint this page\n");
1514         printf("  --cpuclock-test\tPerform test/validation of CPU clock\n");
1515         printf("  --crctest\t\tTest speed of checksum functions\n");
1516         printf("  --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
1517                 " them\n");
1518         printf("  --enghelp=engine\tPrint ioengine help, or list"
1519                 " available ioengines\n");
1520         printf("  --enghelp=engine,cmd\tPrint help for an ioengine"
1521                 " cmd\n");
1522         printf("  --showcmd\t\tTurn a job file into command line options\n");
1523         printf("  --eta=when\t\tWhen ETA estimate should be printed\n");
1524         printf("            \t\tMay be \"always\", \"never\" or \"auto\"\n");
1525         printf("  --eta-newline=time\tForce a new line for every 'time'");
1526         printf(" period passed\n");
1527         printf("  --status-interval=t\tForce full status dump every");
1528         printf(" 't' period passed\n");
1529         printf("  --readonly\t\tTurn on safety read-only checks, preventing"
1530                 " writes\n");
1531         printf("  --section=name\tOnly run specified section in job file\n");
1532         printf("  --alloc-size=kb\tSet smalloc pool to this size in kb"
1533                 " (def 1024)\n");
1534         printf("  --warnings-fatal\tFio parser warnings are fatal\n");
1535         printf("  --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
1536         printf("  --server=args\t\tStart a backend fio server\n");
1537         printf("  --daemonize=pidfile\tBackground fio server, write pid to file\n");
1538         printf("  --client=hostname\tTalk to remote backend fio server at hostname\n");
1539         printf("  --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
1540                 "\t\t\t(option=system,percpu) or run unit work\n"
1541                 "\t\t\tcalibration only (option=calibrate)\n");
1542         printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1543         printf("\n                   Jens Axboe <jaxboe@fusionio.com>");
1544         printf("\n                   Jens Axboe <axboe@fb.com>\n");
1545 }
1546
1547 #ifdef FIO_INC_DEBUG
1548 struct debug_level debug_levels[] = {
1549         { .name = "process",
1550           .help = "Process creation/exit logging",
1551           .shift = FD_PROCESS,
1552         },
1553         { .name = "file",
1554           .help = "File related action logging",
1555           .shift = FD_FILE,
1556         },
1557         { .name = "io",
1558           .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
1559           .shift = FD_IO,
1560         },
1561         { .name = "mem",
1562           .help = "Memory allocation/freeing logging",
1563           .shift = FD_MEM,
1564         },
1565         { .name = "blktrace",
1566           .help = "blktrace action logging",
1567           .shift = FD_BLKTRACE,
1568         },
1569         { .name = "verify",
1570           .help = "IO verification action logging",
1571           .shift = FD_VERIFY,
1572         },
1573         { .name = "random",
1574           .help = "Random generation logging",
1575           .shift = FD_RANDOM,
1576         },
1577         { .name = "parse",
1578           .help = "Parser logging",
1579           .shift = FD_PARSE,
1580         },
1581         { .name = "diskutil",
1582           .help = "Disk utility logging actions",
1583           .shift = FD_DISKUTIL,
1584         },
1585         { .name = "job",
1586           .help = "Logging related to creating/destroying jobs",
1587           .shift = FD_JOB,
1588         },
1589         { .name = "mutex",
1590           .help = "Mutex logging",
1591           .shift = FD_MUTEX
1592         },
1593         { .name = "profile",
1594           .help = "Logging related to profiles",
1595           .shift = FD_PROFILE,
1596         },
1597         { .name = "time",
1598           .help = "Logging related to time keeping functions",
1599           .shift = FD_TIME,
1600         },
1601         { .name = "net",
1602           .help = "Network logging",
1603           .shift = FD_NET,
1604         },
1605         { .name = "rate",
1606           .help = "Rate logging",
1607           .shift = FD_RATE,
1608         },
1609         { .name = NULL, },
1610 };
1611
1612 static int set_debug(const char *string)
1613 {
1614         struct debug_level *dl;
1615         char *p = (char *) string;
1616         char *opt;
1617         int i;
1618
1619         if (!strcmp(string, "?") || !strcmp(string, "help")) {
1620                 log_info("fio: dumping debug options:");
1621                 for (i = 0; debug_levels[i].name; i++) {
1622                         dl = &debug_levels[i];
1623                         log_info("%s,", dl->name);
1624                 }
1625                 log_info("all\n");
1626                 return 1;
1627         }
1628
1629         while ((opt = strsep(&p, ",")) != NULL) {
1630                 int found = 0;
1631
1632                 if (!strncmp(opt, "all", 3)) {
1633                         log_info("fio: set all debug options\n");
1634                         fio_debug = ~0UL;
1635                         continue;
1636                 }
1637
1638                 for (i = 0; debug_levels[i].name; i++) {
1639                         dl = &debug_levels[i];
1640                         found = !strncmp(opt, dl->name, strlen(dl->name));
1641                         if (!found)
1642                                 continue;
1643
1644                         if (dl->shift == FD_JOB) {
1645                                 opt = strchr(opt, ':');
1646                                 if (!opt) {
1647                                         log_err("fio: missing job number\n");
1648                                         break;
1649                                 }
1650                                 opt++;
1651                                 fio_debug_jobno = atoi(opt);
1652                                 log_info("fio: set debug jobno %d\n",
1653                                                         fio_debug_jobno);
1654                         } else {
1655                                 log_info("fio: set debug option %s\n", opt);
1656                                 fio_debug |= (1UL << dl->shift);
1657                         }
1658                         break;
1659                 }
1660
1661                 if (!found)
1662                         log_err("fio: debug mask %s not found\n", opt);
1663         }
1664         return 0;
1665 }
1666 #else
1667 static int set_debug(const char *string)
1668 {
1669         log_err("fio: debug tracing not included in build\n");
1670         return 1;
1671 }
1672 #endif
1673
1674 static void fio_options_fill_optstring(void)
1675 {
1676         char *ostr = cmd_optstr;
1677         int i, c;
1678
1679         c = i = 0;
1680         while (l_opts[i].name) {
1681                 ostr[c++] = l_opts[i].val;
1682                 if (l_opts[i].has_arg == required_argument)
1683                         ostr[c++] = ':';
1684                 else if (l_opts[i].has_arg == optional_argument) {
1685                         ostr[c++] = ':';
1686                         ostr[c++] = ':';
1687                 }
1688                 i++;
1689         }
1690         ostr[c] = '\0';
1691 }
1692
1693 static int client_flag_set(char c)
1694 {
1695         int i;
1696
1697         i = 0;
1698         while (l_opts[i].name) {
1699                 int val = l_opts[i].val;
1700
1701                 if (c == (val & 0xff))
1702                         return (val & FIO_CLIENT_FLAG);
1703
1704                 i++;
1705         }
1706
1707         return 0;
1708 }
1709
1710 static void parse_cmd_client(void *client, char *opt)
1711 {
1712         fio_client_add_cmd_option(client, opt);
1713 }
1714
1715 int parse_cmd_line(int argc, char *argv[], int client_type)
1716 {
1717         struct thread_data *td = NULL;
1718         int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1719         char *ostr = cmd_optstr;
1720         void *pid_file = NULL;
1721         void *cur_client = NULL;
1722         int backend = 0;
1723
1724         /*
1725          * Reset optind handling, since we may call this multiple times
1726          * for the backend.
1727          */
1728         optind = 1;
1729
1730         while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1731                 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
1732                         parse_cmd_client(cur_client, argv[optind - 1]);
1733                         c &= ~FIO_CLIENT_FLAG;
1734                 }
1735
1736                 switch (c) {
1737                 case 'a':
1738                         smalloc_pool_size = atoi(optarg);
1739                         break;
1740                 case 't':
1741                         if (check_str_time(optarg, &def_timeout, 1)) {
1742                                 log_err("fio: failed parsing time %s\n", optarg);
1743                                 do_exit++;
1744                                 exit_val = 1;
1745                         }
1746                         break;
1747                 case 'l':
1748                         write_lat_log = 1;
1749                         break;
1750                 case 'b':
1751                         write_bw_log = 1;
1752                         break;
1753                 case 'o':
1754                         if (f_out && f_out != stdout)
1755                                 fclose(f_out);
1756
1757                         f_out = fopen(optarg, "w+");
1758                         if (!f_out) {
1759                                 perror("fopen output");
1760                                 exit(1);
1761                         }
1762                         f_err = f_out;
1763                         break;
1764                 case 'm':
1765                         output_format = FIO_OUTPUT_TERSE;
1766                         break;
1767                 case 'F':
1768                         if (!optarg) {
1769                                 log_err("fio: missing --output-format argument\n");
1770                                 exit_val = 1;
1771                                 do_exit++;
1772                                 break;
1773                         }
1774                         if (!strcmp(optarg, "minimal") ||
1775                             !strcmp(optarg, "terse") ||
1776                             !strcmp(optarg, "csv"))
1777                                 output_format = FIO_OUTPUT_TERSE;
1778                         else if (!strcmp(optarg, "json"))
1779                                 output_format = FIO_OUTPUT_JSON;
1780                         else
1781                                 output_format = FIO_OUTPUT_NORMAL;
1782                         break;
1783                 case 'f':
1784                         append_terse_output = 1;
1785                         break;
1786                 case 'h':
1787                         did_arg = 1;
1788                         if (!cur_client) {
1789                                 usage(argv[0]);
1790                                 do_exit++;
1791                         }
1792                         break;
1793                 case 'c':
1794                         did_arg = 1;
1795                         if (!cur_client) {
1796                                 fio_show_option_help(optarg);
1797                                 do_exit++;
1798                         }
1799                         break;
1800                 case 'i':
1801                         did_arg = 1;
1802                         if (!cur_client) {
1803                                 fio_show_ioengine_help(optarg);
1804                                 do_exit++;
1805                         }
1806                         break;
1807                 case 's':
1808                         did_arg = 1;
1809                         dump_cmdline = 1;
1810                         break;
1811                 case 'r':
1812                         read_only = 1;
1813                         break;
1814                 case 'v':
1815                         did_arg = 1;
1816                         if (!cur_client) {
1817                                 log_info("%s\n", fio_version_string);
1818                                 do_exit++;
1819                         }
1820                         break;
1821                 case 'V':
1822                         terse_version = atoi(optarg);
1823                         if (!(terse_version == 2 || terse_version == 3 ||
1824                              terse_version == 4)) {
1825                                 log_err("fio: bad terse version format\n");
1826                                 exit_val = 1;
1827                                 do_exit++;
1828                         }
1829                         break;
1830                 case 'e':
1831                         if (!strcmp("always", optarg))
1832                                 eta_print = FIO_ETA_ALWAYS;
1833                         else if (!strcmp("never", optarg))
1834                                 eta_print = FIO_ETA_NEVER;
1835                         break;
1836                 case 'E': {
1837                         long long t = 0;
1838
1839                         if (str_to_decimal(optarg, &t, 0, NULL, 1)) {
1840                                 log_err("fio: failed parsing eta time %s\n", optarg);
1841                                 exit_val = 1;
1842                                 do_exit++;
1843                         }
1844                         eta_new_line = t;
1845                         break;
1846                         }
1847                 case 'd':
1848                         if (set_debug(optarg))
1849                                 do_exit++;
1850                         break;
1851                 case 'P':
1852                         did_arg = 1;
1853                         parse_only = 1;
1854                         break;
1855                 case 'x': {
1856                         size_t new_size;
1857
1858                         if (!strcmp(optarg, "global")) {
1859                                 log_err("fio: can't use global as only "
1860                                         "section\n");
1861                                 do_exit++;
1862                                 exit_val = 1;
1863                                 break;
1864                         }
1865                         new_size = (nr_job_sections + 1) * sizeof(char *);
1866                         job_sections = realloc(job_sections, new_size);
1867                         job_sections[nr_job_sections] = strdup(optarg);
1868                         nr_job_sections++;
1869                         break;
1870                         }
1871                 case 'p':
1872                         did_arg = 1;
1873                         if (exec_profile)
1874                                 free(exec_profile);
1875                         exec_profile = strdup(optarg);
1876                         break;
1877                 case FIO_GETOPT_JOB: {
1878                         const char *opt = l_opts[lidx].name;
1879                         char *val = optarg;
1880
1881                         if (!strncmp(opt, "name", 4) && td) {
1882                                 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
1883                                 if (ret)
1884                                         goto out_free;
1885                                 td = NULL;
1886                                 did_arg = 1;
1887                         }
1888                         if (!td) {
1889                                 int is_section = !strncmp(opt, "name", 4);
1890                                 int global = 0;
1891
1892                                 if (!is_section || !strncmp(val, "global", 6))
1893                                         global = 1;
1894
1895                                 if (is_section && skip_this_section(val))
1896                                         continue;
1897
1898                                 td = get_new_job(global, &def_thread, 1);
1899                                 if (!td || ioengine_load(td)) {
1900                                         if (td) {
1901                                                 put_job(td);
1902                                                 td = NULL;
1903                                         }
1904                                         do_exit++;
1905                                         break;
1906                                 }
1907                                 fio_options_set_ioengine_opts(l_opts, td);
1908                         }
1909
1910                         if ((!val || !strlen(val)) &&
1911                             l_opts[lidx].has_arg == required_argument) {
1912                                 log_err("fio: option %s requires an argument\n", opt);
1913                                 ret = 1;
1914                         } else
1915                                 ret = fio_cmd_option_parse(td, opt, val);
1916
1917                         if (ret) {
1918                                 if (td) {
1919                                         put_job(td);
1920                                         td = NULL;
1921                                 }
1922                                 do_exit++;
1923                         }
1924
1925                         if (!ret && !strcmp(opt, "ioengine")) {
1926                                 free_ioengine(td);
1927                                 if (ioengine_load(td)) {
1928                                         if (td) {
1929                                                 put_job(td);
1930                                                 td = NULL;
1931                                         }
1932                                         do_exit++;
1933                                         break;
1934                                 }
1935                                 fio_options_set_ioengine_opts(l_opts, td);
1936                         }
1937                         break;
1938                 }
1939                 case FIO_GETOPT_IOENGINE: {
1940                         const char *opt = l_opts[lidx].name;
1941                         char *val = optarg;
1942
1943                         if (!td)
1944                                 break;
1945
1946                         ret = fio_cmd_ioengine_option_parse(td, opt, val);
1947                         break;
1948                 }
1949                 case 'w':
1950                         warnings_fatal = 1;
1951                         break;
1952                 case 'j':
1953                         max_jobs = atoi(optarg);
1954                         if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
1955                                 log_err("fio: invalid max jobs: %d\n", max_jobs);
1956                                 do_exit++;
1957                                 exit_val = 1;
1958                         }
1959                         break;
1960                 case 'S':
1961                         did_arg = 1;
1962 #ifndef CONFIG_NO_SHM
1963                         if (nr_clients) {
1964                                 log_err("fio: can't be both client and server\n");
1965                                 do_exit++;
1966                                 exit_val = 1;
1967                                 break;
1968                         }
1969                         if (optarg)
1970                                 fio_server_set_arg(optarg);
1971                         is_backend = 1;
1972                         backend = 1;
1973 #else
1974                         log_err("fio: client/server requires SHM support\n");
1975                         do_exit++;
1976                         exit_val = 1;
1977 #endif
1978                         break;
1979                 case 'D':
1980                         if (pid_file)
1981                                 free(pid_file);
1982                         pid_file = strdup(optarg);
1983                         break;
1984                 case 'I':
1985                         if ((ret = fio_idle_prof_parse_opt(optarg))) {
1986                                 /* exit on error and calibration only */
1987                                 did_arg = 1;
1988                                 do_exit++;
1989                                 if (ret == -1)
1990                                         exit_val = 1;
1991                         }
1992                         break;
1993                 case 'C':
1994                         did_arg = 1;
1995                         if (is_backend) {
1996                                 log_err("fio: can't be both client and server\n");
1997                                 do_exit++;
1998                                 exit_val = 1;
1999                                 break;
2000                         }
2001                         if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
2002                                 log_err("fio: failed adding client %s\n", optarg);
2003                                 do_exit++;
2004                                 exit_val = 1;
2005                                 break;
2006                         }
2007                         /*
2008                          * If the next argument exists and isn't an option,
2009                          * assume it's a job file for this client only.
2010                          */
2011                         while (optind < argc) {
2012                                 if (!strncmp(argv[optind], "--", 2) ||
2013                                     !strncmp(argv[optind], "-", 1))
2014                                         break;
2015
2016                                 fio_client_add_ini_file(cur_client, argv[optind]);
2017                                 optind++;
2018                         }
2019                         break;
2020                 case 'T':
2021                         did_arg = 1;
2022                         do_exit++;
2023                         exit_val = fio_monotonic_clocktest();
2024                         break;
2025                 case 'G':
2026                         did_arg = 1;
2027                         do_exit++;
2028                         exit_val = fio_crctest(optarg);
2029                         break;
2030                 case 'L': {
2031                         long long val;
2032
2033                         if (check_str_time(optarg, &val, 0)) {
2034                                 log_err("fio: failed parsing time %s\n", optarg);
2035                                 do_exit++;
2036                                 exit_val = 1;
2037                                 break;
2038                         }
2039                         status_interval = val * 1000;
2040                         break;
2041                         }
2042                 case '?':
2043                         log_err("%s: unrecognized option '%s'\n", argv[0],
2044                                                         argv[optind - 1]);
2045                 default:
2046                         do_exit++;
2047                         exit_val = 1;
2048                         break;
2049                 }
2050                 if (do_exit)
2051                         break;
2052         }
2053
2054         if (do_exit && !(is_backend || nr_clients))
2055                 exit(exit_val);
2056
2057         if (nr_clients && fio_clients_connect())
2058                 exit(1);
2059
2060         if (is_backend && backend)
2061                 return fio_start_server(pid_file);
2062         else if (pid_file)
2063                 free(pid_file);
2064
2065         if (td) {
2066                 if (!ret) {
2067                         ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2068                         if (ret)
2069                                 did_arg = 1;
2070                 }
2071         }
2072
2073         while (!ret && optind < argc) {
2074                 ini_idx++;
2075                 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2076                 ini_file[ini_idx - 1] = strdup(argv[optind]);
2077                 optind++;
2078         }
2079
2080 out_free:
2081         if (pid_file)
2082                 free(pid_file);
2083
2084         return ini_idx;
2085 }
2086
2087 int fio_init_options(void)
2088 {
2089         f_out = stdout;
2090         f_err = stderr;
2091
2092         fio_options_fill_optstring();
2093         fio_options_dup_and_init(l_opts);
2094
2095         atexit(free_shm);
2096
2097         if (fill_def_thread())
2098                 return 1;
2099
2100         return 0;
2101 }
2102
2103 extern int fio_check_options(struct thread_options *);
2104
2105 int parse_options(int argc, char *argv[])
2106 {
2107         const int type = FIO_CLIENT_TYPE_CLI;
2108         int job_files, i;
2109
2110         if (fio_init_options())
2111                 return 1;
2112         if (fio_test_cconv(&def_thread.o))
2113                 log_err("fio: failed internal cconv test\n");
2114
2115         job_files = parse_cmd_line(argc, argv, type);
2116
2117         if (job_files > 0) {
2118                 for (i = 0; i < job_files; i++) {
2119                         if (i && fill_def_thread())
2120                                 return 1;
2121                         if (nr_clients) {
2122                                 if (fio_clients_send_ini(ini_file[i]))
2123                                         return 1;
2124                                 free(ini_file[i]);
2125                         } else if (!is_backend) {
2126                                 if (parse_jobs_ini(ini_file[i], 0, i, type))
2127                                         return 1;
2128                                 free(ini_file[i]);
2129                         }
2130                 }
2131         } else if (nr_clients) {
2132                 if (fill_def_thread())
2133                         return 1;
2134                 if (fio_clients_send_ini(NULL))
2135                         return 1;
2136         }
2137
2138         free(ini_file);
2139         fio_options_free(&def_thread);
2140         filesetup_mem_free();
2141
2142         if (!thread_number) {
2143                 if (parse_dryrun())
2144                         return 0;
2145                 if (exec_profile)
2146                         return 0;
2147                 if (is_backend || nr_clients)
2148                         return 0;
2149                 if (did_arg)
2150                         return 0;
2151
2152                 log_err("No jobs(s) defined\n\n");
2153
2154                 if (!did_arg) {
2155                         usage(argv[0]);
2156                         return 1;
2157                 }
2158
2159                 return 0;
2160         }
2161
2162         if (def_thread.o.gtod_offload) {
2163                 fio_gtod_init();
2164                 fio_gtod_offload = 1;
2165                 fio_gtod_cpu = def_thread.o.gtod_cpu;
2166         }
2167
2168         if (output_format == FIO_OUTPUT_NORMAL)
2169                 log_info("%s\n", fio_version_string);
2170
2171         return 0;
2172 }
2173
2174 void options_default_fill(struct thread_options *o)
2175 {
2176         memcpy(o, &def_thread.o, sizeof(*o));
2177 }