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 #include "steadystate.h"
  29
  30 #include "oslib/getopt.h"
  31 #include "oslib/strcasestr.h"
  32
  33 #include "crc/test.h"
  34
  35 const char fio_version_string[] = FIO_VERSION;
  36
  37 #define FIO_RANDSEED            (0xb1899bedUL)
  38
  39 static char **ini_file;
  40 static int max_jobs = FIO_MAX_JOBS;
  41 static int dump_cmdline;
  42 static long long def_timeout;
  43 static int parse_only;
  44
  45 static struct thread_data def_thread;
  46 struct thread_data *threads = NULL;
  47 static char **job_sections;
  48 static int nr_job_sections;
  49
  50 int exitall_on_terminate = 0;
  51 int exitall_on_terminate_error = 0;
  52 int output_format = FIO_OUTPUT_NORMAL;
  53 int eta_print = FIO_ETA_AUTO;
  54 int eta_new_line = 0;
  55 FILE *f_out = NULL;
  56 FILE *f_err = NULL;
  57 char *exec_profile = NULL;
  58 int warnings_fatal = 0;
  59 int terse_version = 3;
  60 int is_backend = 0;
  61 int nr_clients = 0;
  62 int log_syslog = 0;
  63
  64 int write_bw_log = 0;
  65 int read_only = 0;
  66 int status_interval = 0;
  67
  68 char *trigger_file = NULL;
  69 long long trigger_timeout = 0;
  70 char *trigger_cmd = NULL;
  71 char *trigger_remote_cmd = NULL;
  72
  73 char *aux_path = NULL;
  74
  75 static int prev_group_jobs;
  76
  77 unsigned long fio_debug = 0;
  78 unsigned int fio_debug_jobno = -1;
  79 unsigned int *fio_debug_jobp = NULL;
  80
  81 static char cmd_optstr[256];
  82 static int did_arg;
  83
  84 bool steadystate = false;
  85
  86 #define FIO_CLIENT_FLAG         (1 << 16)
  87
  88 /*
  89  * Command line options. These will contain the above, plus a few
  90  * extra that only pertain to fio itself and not jobs.
  91  */
  92 static struct option l_opts[FIO_NR_OPTIONS] = {
  93         {
  94                 .name           = (char *) "output",
  95                 .has_arg        = required_argument,
  96                 .val            = 'o' | FIO_CLIENT_FLAG,
  97         },
  98         {
  99                 .name           = (char *) "timeout",
 100                 .has_arg        = required_argument,
 101                 .val            = 't' | FIO_CLIENT_FLAG,
 102         },
 103         {
 104                 .name           = (char *) "latency-log",
 105                 .has_arg        = required_argument,
 106                 .val            = 'l' | FIO_CLIENT_FLAG,
 107         },
 108         {
 109                 .name           = (char *) "bandwidth-log",
 110                 .has_arg        = required_argument,
 111                 .val            = 'b' | FIO_CLIENT_FLAG,
 112         },
 113         {
 114                 .name           = (char *) "minimal",
 115                 .has_arg        = no_argument,
 116                 .val            = 'm' | FIO_CLIENT_FLAG,
 117         },
 118         {
 119                 .name           = (char *) "output-format",
 120                 .has_arg        = required_argument,
 121                 .val            = 'F' | FIO_CLIENT_FLAG,
 122         },
 123         {
 124                 .name           = (char *) "append-terse",
 125                 .has_arg        = optional_argument,
 126                 .val            = 'f',
 127         },
 128         {
 129                 .name           = (char *) "version",
 130                 .has_arg        = no_argument,
 131                 .val            = 'v' | FIO_CLIENT_FLAG,
 132         },
 133         {
 134                 .name           = (char *) "help",
 135                 .has_arg        = no_argument,
 136                 .val            = 'h' | FIO_CLIENT_FLAG,
 137         },
 138         {
 139                 .name           = (char *) "cmdhelp",
 140                 .has_arg        = optional_argument,
 141                 .val            = 'c' | FIO_CLIENT_FLAG,
 142         },
 143         {
 144                 .name           = (char *) "enghelp",
 145                 .has_arg        = optional_argument,
 146                 .val            = 'i' | FIO_CLIENT_FLAG,
 147         },
 148         {
 149                 .name           = (char *) "showcmd",
 150                 .has_arg        = no_argument,
 151                 .val            = 's' | FIO_CLIENT_FLAG,
 152         },
 153         {
 154                 .name           = (char *) "readonly",
 155                 .has_arg        = no_argument,
 156                 .val            = 'r' | FIO_CLIENT_FLAG,
 157         },
 158         {
 159                 .name           = (char *) "eta",
 160                 .has_arg        = required_argument,
 161                 .val            = 'e' | FIO_CLIENT_FLAG,
 162         },
 163         {
 164                 .name           = (char *) "eta-newline",
 165                 .has_arg        = required_argument,
 166                 .val            = 'E' | FIO_CLIENT_FLAG,
 167         },
 168         {
 169                 .name           = (char *) "debug",
 170                 .has_arg        = required_argument,
 171                 .val            = 'd' | FIO_CLIENT_FLAG,
 172         },
 173         {
 174                 .name           = (char *) "parse-only",
 175                 .has_arg        = no_argument,
 176                 .val            = 'P' | FIO_CLIENT_FLAG,
 177         },
 178         {
 179                 .name           = (char *) "section",
 180                 .has_arg        = required_argument,
 181                 .val            = 'x' | FIO_CLIENT_FLAG,
 182         },
 183 #ifdef CONFIG_ZLIB
 184         {
 185                 .name           = (char *) "inflate-log",
 186                 .has_arg        = required_argument,
 187                 .val            = 'X' | FIO_CLIENT_FLAG,
 188         },
 189 #endif
 190         {
 191                 .name           = (char *) "alloc-size",
 192                 .has_arg        = required_argument,
 193                 .val            = 'a' | FIO_CLIENT_FLAG,
 194         },
 195         {
 196                 .name           = (char *) "profile",
 197                 .has_arg        = required_argument,
 198                 .val            = 'p' | FIO_CLIENT_FLAG,
 199         },
 200         {
 201                 .name           = (char *) "warnings-fatal",
 202                 .has_arg        = no_argument,
 203                 .val            = 'w' | FIO_CLIENT_FLAG,
 204         },
 205         {
 206                 .name           = (char *) "max-jobs",
 207                 .has_arg        = required_argument,
 208                 .val            = 'j' | FIO_CLIENT_FLAG,
 209         },
 210         {
 211                 .name           = (char *) "terse-version",
 212                 .has_arg        = required_argument,
 213                 .val            = 'V' | FIO_CLIENT_FLAG,
 214         },
 215         {
 216                 .name           = (char *) "server",
 217                 .has_arg        = optional_argument,
 218                 .val            = 'S',
 219         },
 220         {       .name           = (char *) "daemonize",
 221                 .has_arg        = required_argument,
 222                 .val            = 'D',
 223         },
 224         {
 225                 .name           = (char *) "client",
 226                 .has_arg        = required_argument,
 227                 .val            = 'C',
 228         },
 229         {
 230                 .name           = (char *) "remote-config",
 231                 .has_arg        = required_argument,
 232                 .val            = 'R',
 233         },
 234         {
 235                 .name           = (char *) "cpuclock-test",
 236                 .has_arg        = no_argument,
 237                 .val            = 'T',
 238         },
 239         {
 240                 .name           = (char *) "crctest",
 241                 .has_arg        = optional_argument,
 242                 .val            = 'G',
 243         },
 244         {
 245                 .name           = (char *) "idle-prof",
 246                 .has_arg        = required_argument,
 247                 .val            = 'I',
 248         },
 249         {
 250                 .name           = (char *) "status-interval",
 251                 .has_arg        = required_argument,
 252                 .val            = 'L',
 253         },
 254         {
 255                 .name           = (char *) "trigger-file",
 256                 .has_arg        = required_argument,
 257                 .val            = 'W',
 258         },
 259         {
 260                 .name           = (char *) "trigger-timeout",
 261                 .has_arg        = required_argument,
 262                 .val            = 'B',
 263         },
 264         {
 265                 .name           = (char *) "trigger",
 266                 .has_arg        = required_argument,
 267                 .val            = 'H',
 268         },
 269         {
 270                 .name           = (char *) "trigger-remote",
 271                 .has_arg        = required_argument,
 272                 .val            = 'J',
 273         },
 274         {
 275                 .name           = (char *) "aux-path",
 276                 .has_arg        = required_argument,
 277                 .val            = 'K',
 278         },
 279         {
 280                 .name           = NULL,
 281         },
 282 };
 283
 284 void free_threads_shm(void)
 285 {
 286         if (threads) {
 287                 void *tp = threads;
 288 #ifndef CONFIG_NO_SHM
 289                 struct shmid_ds sbuf;
 290
 291                 threads = NULL;
 292                 shmdt(tp);
 293                 shmctl(shm_id, IPC_RMID, &sbuf);
 294                 shm_id = -1;
 295 #else
 296                 threads = NULL;
 297                 free(tp);
 298 #endif
 299         }
 300 }
 301
 302 static void free_shm(void)
 303 {
 304         if (threads) {
 305                 file_hash_exit();
 306                 flow_exit();
 307                 fio_debug_jobp = NULL;
 308                 free_threads_shm();
 309         }
 310
 311         free(trigger_file);
 312         free(trigger_cmd);
 313         free(trigger_remote_cmd);
 314         trigger_file = trigger_cmd = trigger_remote_cmd = NULL;
 315
 316         options_free(fio_options, &def_thread);
 317         fio_filelock_exit();
 318         scleanup();
 319 }
 320
 321 /*
 322  * The thread area is shared between the main process and the job
 323  * threads/processes. So setup a shared memory segment that will hold
 324  * all the job info. We use the end of the region for keeping track of
 325  * open files across jobs, for file sharing.
 326  */
 327 static int setup_thread_area(void)
 328 {
 329         void *hash;
 330
 331         if (threads)
 332                 return 0;
 333
 334         /*
 335          * 1024 is too much on some machines, scale max_jobs if
 336          * we get a failure that looks like too large a shm segment
 337          */
 338         do {
 339                 size_t size = max_jobs * sizeof(struct thread_data);
 340
 341                 size += file_hash_size;
 342                 size += sizeof(unsigned int);
 343
 344 #ifndef CONFIG_NO_SHM
 345                 shm_id = shmget(0, size, IPC_CREAT | 0600);
 346                 if (shm_id != -1)
 347                         break;
 348                 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) {
 349                         perror("shmget");
 350                         break;
 351                 }
 352 #else
 353                 threads = malloc(size);
 354                 if (threads)
 355                         break;
 356 #endif
 357
 358                 max_jobs >>= 1;
 359         } while (max_jobs);
 360
 361 #ifndef CONFIG_NO_SHM
 362         if (shm_id == -1)
 363                 return 1;
 364
 365         threads = shmat(shm_id, NULL, 0);
 366         if (threads == (void *) -1) {
 367                 perror("shmat");
 368                 return 1;
 369         }
 370 #endif
 371
 372         memset(threads, 0, max_jobs * sizeof(struct thread_data));
 373         hash = (void *) threads + max_jobs * sizeof(struct thread_data);
 374         fio_debug_jobp = (void *) hash + file_hash_size;
 375         *fio_debug_jobp = -1;
 376         file_hash_init(hash);
 377
 378         flow_init();
 379
 380         return 0;
 381 }
 382
 383 static void set_cmd_options(struct thread_data *td)
 384 {
 385         struct thread_options *o = &td->o;
 386
 387         if (!o->timeout)
 388                 o->timeout = def_timeout;
 389 }
 390
 391 static void dump_print_option(struct print_option *p)
 392 {
 393         const char *delim;
 394
 395         if (!strcmp("description", p->name))
 396                 delim = "\"";
 397         else
 398                 delim = "";
 399
 400         log_info("--%s%s", p->name, p->value ? "" : " ");
 401         if (p->value)
 402                 log_info("=%s%s%s ", delim, p->value, delim);
 403 }
 404
 405 static void dump_opt_list(struct thread_data *td)
 406 {
 407         struct flist_head *entry;
 408         struct print_option *p;
 409
 410         if (flist_empty(&td->opt_list))
 411                 return;
 412
 413         flist_for_each(entry, &td->opt_list) {
 414                 p = flist_entry(entry, struct print_option, list);
 415                 dump_print_option(p);
 416         }
 417 }
 418
 419 static void fio_dump_options_free(struct thread_data *td)
 420 {
 421         while (!flist_empty(&td->opt_list)) {
 422                 struct print_option *p;
 423
 424                 p = flist_first_entry(&td->opt_list, struct print_option, list);
 425                 flist_del_init(&p->list);
 426                 free(p->name);
 427                 free(p->value);
 428                 free(p);
 429         }
 430 }
 431
 432 static void copy_opt_list(struct thread_data *dst, struct thread_data *src)
 433 {
 434         struct flist_head *entry;
 435
 436         if (flist_empty(&src->opt_list))
 437                 return;
 438
 439         flist_for_each(entry, &src->opt_list) {
 440                 struct print_option *srcp, *dstp;
 441
 442                 srcp = flist_entry(entry, struct print_option, list);
 443                 dstp = malloc(sizeof(*dstp));
 444                 dstp->name = strdup(srcp->name);
 445                 if (srcp->value)
 446                         dstp->value = strdup(srcp->value);
 447                 else
 448                         dstp->value = NULL;
 449                 flist_add_tail(&dstp->list, &dst->opt_list);
 450         }
 451 }
 452
 453 /*
 454  * Return a free job structure.
 455  */
 456 static struct thread_data *get_new_job(int global, struct thread_data *parent,
 457                                        int preserve_eo, const char *jobname)
 458 {
 459         struct thread_data *td;
 460
 461         if (global) {
 462                 set_cmd_options(&def_thread);
 463                 return &def_thread;
 464         }
 465         if (setup_thread_area()) {
 466                 log_err("error: failed to setup shm segment\n");
 467                 return NULL;
 468         }
 469         if (thread_number >= max_jobs) {
 470                 log_err("error: maximum number of jobs (%d) reached.\n",
 471                                 max_jobs);
 472                 return NULL;
 473         }
 474
 475         td = &threads[thread_number++];
 476         *td = *parent;
 477
 478         INIT_FLIST_HEAD(&td->opt_list);
 479         if (parent != &def_thread)
 480                 copy_opt_list(td, parent);
 481
 482         td->io_ops = NULL;
 483         if (!preserve_eo)
 484                 td->eo = NULL;
 485
 486         td->o.uid = td->o.gid = -1U;
 487
 488         dup_files(td, parent);
 489         fio_options_mem_dupe(td);
 490
 491         profile_add_hooks(td);
 492
 493         td->thread_number = thread_number;
 494         td->subjob_number = 0;
 495
 496         if (jobname)
 497                 td->o.name = strdup(jobname);
 498
 499         if (!parent->o.group_reporting || parent == &def_thread)
 500                 stat_number++;
 501
 502         set_cmd_options(td);
 503         return td;
 504 }
 505
 506 static void put_job(struct thread_data *td)
 507 {
 508         if (td == &def_thread)
 509                 return;
 510
 511         profile_td_exit(td);
 512         flow_exit_job(td);
 513
 514         if (td->error)
 515                 log_info("fio: %s\n", td->verror);
 516
 517         fio_options_free(td);
 518         fio_dump_options_free(td);
 519         if (td->io_ops)
 520                 free_ioengine(td);
 521
 522         if (td->o.name)
 523                 free(td->o.name);
 524
 525         memset(&threads[td->thread_number - 1], 0, sizeof(*td));
 526         thread_number--;
 527 }
 528
 529 static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
 530 {
 531         unsigned int bs = td->o.min_bs[ddir];
 532
 533         assert(ddir_rw(ddir));
 534
 535         if (td->o.rate[ddir])
 536                 td->rate_bps[ddir] = td->o.rate[ddir];
 537         else
 538                 td->rate_bps[ddir] = (uint64_t) td->o.rate_iops[ddir] * bs;
 539
 540         if (!td->rate_bps[ddir]) {
 541                 log_err("rate lower than supported\n");
 542                 return -1;
 543         }
 544
 545         td->rate_next_io_time[ddir] = 0;
 546         td->rate_io_issue_bytes[ddir] = 0;
 547         td->last_usec = 0;
 548         return 0;
 549 }
 550
 551 static int setup_rate(struct thread_data *td)
 552 {
 553         int ret = 0;
 554
 555         if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
 556                 ret = __setup_rate(td, DDIR_READ);
 557         if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
 558                 ret |= __setup_rate(td, DDIR_WRITE);
 559         if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM])
 560                 ret |= __setup_rate(td, DDIR_TRIM);
 561
 562         return ret;
 563 }
 564
 565 static int fixed_block_size(struct thread_options *o)
 566 {
 567         return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
 568                 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
 569                 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] &&
 570                 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] &&
 571                 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM];
 572 }
 573
 574
 575 static unsigned long long get_rand_start_delay(struct thread_data *td)
 576 {
 577         unsigned long long delayrange;
 578         uint64_t frand_max;
 579         unsigned long r;
 580
 581         delayrange = td->o.start_delay_high - td->o.start_delay;
 582
 583         frand_max = rand_max(&td->delay_state);
 584         r = __rand(&td->delay_state);
 585         delayrange = (unsigned long long) ((double) delayrange * (r / (frand_max + 1.0)));
 586
 587         delayrange += td->o.start_delay;
 588         return delayrange;
 589 }
 590
 591 /*
 592  * Lazy way of fixing up options that depend on each other. We could also
 593  * define option callback handlers, but this is easier.
 594  */
 595 static int fixup_options(struct thread_data *td)
 596 {
 597         struct thread_options *o = &td->o;
 598         int ret = 0;
 599
 600 #ifndef FIO_HAVE_PSHARED_MUTEX
 601         if (!o->use_thread) {
 602                 log_info("fio: this platform does not support process shared"
 603                          " mutexes, forcing use of threads. Use the 'thread'"
 604                          " option to get rid of this warning.\n");
 605                 o->use_thread = 1;
 606                 ret = warnings_fatal;
 607         }
 608 #endif
 609
 610         if (o->write_iolog_file && o->read_iolog_file) {
 611                 log_err("fio: read iolog overrides write_iolog\n");
 612                 free(o->write_iolog_file);
 613                 o->write_iolog_file = NULL;
 614                 ret = warnings_fatal;
 615         }
 616
 617         /*
 618          * only really works with 1 file
 619          */
 620         if (o->zone_size && o->open_files > 1)
 621                 o->zone_size = 0;
 622
 623         /*
 624          * If zone_range isn't specified, backward compatibility dictates it
 625          * should be made equal to zone_size.
 626          */
 627         if (o->zone_size && !o->zone_range)
 628                 o->zone_range = o->zone_size;
 629
 630         /*
 631          * Reads can do overwrites, we always need to pre-create the file
 632          */
 633         if (td_read(td) || td_rw(td))
 634                 o->overwrite = 1;
 635
 636         if (!o->min_bs[DDIR_READ])
 637                 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
 638         if (!o->max_bs[DDIR_READ])
 639                 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
 640         if (!o->min_bs[DDIR_WRITE])
 641                 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
 642         if (!o->max_bs[DDIR_WRITE])
 643                 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
 644         if (!o->min_bs[DDIR_TRIM])
 645                 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
 646         if (!o->max_bs[DDIR_TRIM])
 647                 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
 648
 649         o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
 650         o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs);
 651
 652         /*
 653          * For random IO, allow blockalign offset other than min_bs.
 654          */
 655         if (!o->ba[DDIR_READ] || !td_random(td))
 656                 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
 657         if (!o->ba[DDIR_WRITE] || !td_random(td))
 658                 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
 659         if (!o->ba[DDIR_TRIM] || !td_random(td))
 660                 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM];
 661
 662         if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
 663             o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] ||
 664             o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) &&
 665             !o->norandommap) {
 666                 log_err("fio: Any use of blockalign= turns off randommap\n");
 667                 o->norandommap = 1;
 668                 ret = warnings_fatal;
 669         }
 670
 671         if (!o->file_size_high)
 672                 o->file_size_high = o->file_size_low;
 673
 674         if (o->start_delay_high)
 675                 o->start_delay = get_rand_start_delay(td);
 676
 677         if (o->norandommap && o->verify != VERIFY_NONE
 678             && !fixed_block_size(o))  {
 679                 log_err("fio: norandommap given for variable block sizes, "
 680                         "verify limited\n");
 681                 ret = warnings_fatal;
 682         }
 683         if (o->bs_unaligned && (o->odirect || td_ioengine_flagged(td, FIO_RAWIO)))
 684                 log_err("fio: bs_unaligned may not work with raw io\n");
 685
 686         /*
 687          * thinktime_spin must be less than thinktime
 688          */
 689         if (o->thinktime_spin > o->thinktime)
 690                 o->thinktime_spin = o->thinktime;
 691
 692         /*
 693          * The low water mark cannot be bigger than the iodepth
 694          */
 695         if (o->iodepth_low > o->iodepth || !o->iodepth_low)
 696                 o->iodepth_low = o->iodepth;
 697
 698         /*
 699          * If batch number isn't set, default to the same as iodepth
 700          */
 701         if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
 702                 o->iodepth_batch = o->iodepth;
 703
 704         /*
 705          * If max batch complete number isn't set or set incorrectly,
 706          * default to the same as iodepth_batch_complete_min
 707          */
 708         if (o->iodepth_batch_complete_min > o->iodepth_batch_complete_max)
 709                 o->iodepth_batch_complete_max = o->iodepth_batch_complete_min;
 710
 711         if (o->nr_files > td->files_index)
 712                 o->nr_files = td->files_index;
 713
 714         if (o->open_files > o->nr_files || !o->open_files)
 715                 o->open_files = o->nr_files;
 716
 717         if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) &&
 718             (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) ||
 719             ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) &&
 720             (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) {
 721                 log_err("fio: rate and rate_iops are mutually exclusive\n");
 722                 ret = 1;
 723         }
 724         if ((o->rate[DDIR_READ] && (o->rate[DDIR_READ] < o->ratemin[DDIR_READ])) ||
 725             (o->rate[DDIR_WRITE] && (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE])) ||
 726             (o->rate[DDIR_TRIM] && (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM])) ||
 727             (o->rate_iops[DDIR_READ] && (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ])) ||
 728             (o->rate_iops[DDIR_WRITE] && (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE])) ||
 729             (o->rate_iops[DDIR_TRIM] && (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM]))) {
 730                 log_err("fio: minimum rate exceeds rate\n");
 731                 ret = 1;
 732         }
 733
 734         if (!o->timeout && o->time_based) {
 735                 log_err("fio: time_based requires a runtime/timeout setting\n");
 736                 o->time_based = 0;
 737                 ret = warnings_fatal;
 738         }
 739
 740         if (o->fill_device && !o->size)
 741                 o->size = -1ULL;
 742
 743         if (o->verify != VERIFY_NONE) {
 744                 if (td_write(td) && o->do_verify && o->numjobs > 1) {
 745                         log_info("Multiple writers may overwrite blocks that "
 746                                 "belong to other jobs. This can cause "
 747                                 "verification failures.\n");
 748                         ret = warnings_fatal;
 749                 }
 750
 751                 if (!fio_option_is_set(o, refill_buffers))
 752                         o->refill_buffers = 1;
 753
 754                 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
 755                     !o->verify_interval)
 756                         o->verify_interval = o->min_bs[DDIR_WRITE];
 757
 758                 /*
 759                  * Verify interval must be smaller or equal to the
 760                  * write size.
 761                  */
 762                 if (o->verify_interval > o->min_bs[DDIR_WRITE])
 763                         o->verify_interval = o->min_bs[DDIR_WRITE];
 764                 else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ])
 765                         o->verify_interval = o->min_bs[DDIR_READ];
 766         }
 767
 768         if (o->pre_read) {
 769                 o->invalidate_cache = 0;
 770                 if (td_ioengine_flagged(td, FIO_PIPEIO)) {
 771                         log_info("fio: cannot pre-read files with an IO engine"
 772                                  " that isn't seekable. Pre-read disabled.\n");
 773                         ret = warnings_fatal;
 774                 }
 775         }
 776
 777         if (!o->unit_base) {
 778                 if (td_ioengine_flagged(td, FIO_BIT_BASED))
 779                         o->unit_base = 1;
 780                 else
 781                         o->unit_base = 8;
 782         }
 783
 784 #ifndef CONFIG_FDATASYNC
 785         if (o->fdatasync_blocks) {
 786                 log_info("fio: this platform does not support fdatasync()"
 787                          " falling back to using fsync().  Use the 'fsync'"
 788                          " option instead of 'fdatasync' to get rid of"
 789                          " this warning\n");
 790                 o->fsync_blocks = o->fdatasync_blocks;
 791                 o->fdatasync_blocks = 0;
 792                 ret = warnings_fatal;
 793         }
 794 #endif
 795
 796 #ifdef WIN32
 797         /*
 798          * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
 799          * so fail if we're passed those flags
 800          */
 801         if (td_ioengine_flagged(td, FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
 802                 log_err("fio: Windows does not support direct or non-buffered io with"
 803                                 " the synchronous ioengines. Use the 'windowsaio' ioengine"
 804                                 " with 'direct=1' and 'iodepth=1' instead.\n");
 805                 ret = 1;
 806         }
 807 #endif
 808
 809         /*
 810          * For fully compressible data, just zero them at init time.
 811          * It's faster than repeatedly filling it. For non-zero
 812          * compression, we should have refill_buffers set. Set it, unless
 813          * the job file already changed it.
 814          */
 815         if (o->compress_percentage) {
 816                 if (o->compress_percentage == 100) {
 817                         o->zero_buffers = 1;
 818                         o->compress_percentage = 0;
 819                 } else if (!fio_option_is_set(o, refill_buffers))
 820                         o->refill_buffers = 1;
 821         }
 822
 823         /*
 824          * Using a non-uniform random distribution excludes usage of
 825          * a random map
 826          */
 827         if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
 828                 td->o.norandommap = 1;
 829
 830         /*
 831          * If size is set but less than the min block size, complain
 832          */
 833         if (o->size && o->size < td_min_bs(td)) {
 834                 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
 835                 ret = 1;
 836         }
 837
 838         /*
 839          * O_ATOMIC implies O_DIRECT
 840          */
 841         if (td->o.oatomic)
 842                 td->o.odirect = 1;
 843
 844         /*
 845          * If randseed is set, that overrides randrepeat
 846          */
 847         if (fio_option_is_set(&td->o, rand_seed))
 848                 td->o.rand_repeatable = 0;
 849
 850         if (td_ioengine_flagged(td, FIO_NOEXTEND) && td->o.file_append) {
 851                 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
 852                 ret = 1;
 853         }
 854
 855         if (fio_option_is_set(o, gtod_cpu)) {
 856                 fio_gtod_init();
 857                 fio_gtod_set_cpu(o->gtod_cpu);
 858                 fio_gtod_offload = 1;
 859         }
 860
 861         td->loops = o->loops;
 862         if (!td->loops)
 863                 td->loops = 1;
 864
 865         if (td->o.block_error_hist && td->o.nr_files != 1) {
 866                 log_err("fio: block error histogram only available "
 867                         "with a single file per job, but %d files "
 868                         "provided\n", td->o.nr_files);
 869                 ret = 1;
 870         }
 871
 872         return ret;
 873 }
 874
 875 /*
 876  * This function leaks the buffer
 877  */
 878 char *fio_uint_to_kmg(unsigned int val)
 879 {
 880         char *buf = malloc(32);
 881         char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
 882         char *p = post;
 883
 884         do {
 885                 if (val & 1023)
 886                         break;
 887
 888                 val >>= 10;
 889                 p++;
 890         } while (*p);
 891
 892         snprintf(buf, 32, "%u%c", val, *p);
 893         return buf;
 894 }
 895
 896 /* External engines are specified by "external:name.o") */
 897 static const char *get_engine_name(const char *str)
 898 {
 899         char *p = strstr(str, ":");
 900
 901         if (!p)
 902                 return str;
 903
 904         p++;
 905         strip_blank_front(&p);
 906         strip_blank_end(p);
 907         return p;
 908 }
 909
 910 static int exists_and_not_regfile(const char *filename)
 911 {
 912         struct stat sb;
 913
 914         if (lstat(filename, &sb) == -1)
 915                 return 0;
 916
 917 #ifndef WIN32 /* NOT Windows */
 918         if (S_ISREG(sb.st_mode))
 919                 return 0;
 920 #else
 921         /* \\.\ is the device namespace in Windows, where every file
 922          * is a device node */
 923         if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
 924                 return 0;
 925 #endif
 926
 927         return 1;
 928 }
 929
 930 static void init_rand_file_service(struct thread_data *td)
 931 {
 932         unsigned long nranges = td->o.nr_files << FIO_FSERVICE_SHIFT;
 933         const unsigned int seed = td->rand_seeds[FIO_RAND_FILE_OFF];
 934
 935         if (td->o.file_service_type == FIO_FSERVICE_ZIPF) {
 936                 zipf_init(&td->next_file_zipf, nranges, td->zipf_theta, seed);
 937                 zipf_disable_hash(&td->next_file_zipf);
 938         } else if (td->o.file_service_type == FIO_FSERVICE_PARETO) {
 939                 pareto_init(&td->next_file_zipf, nranges, td->pareto_h, seed);
 940                 zipf_disable_hash(&td->next_file_zipf);
 941         } else if (td->o.file_service_type == FIO_FSERVICE_GAUSS) {
 942                 gauss_init(&td->next_file_gauss, nranges, td->gauss_dev, seed);
 943                 gauss_disable_hash(&td->next_file_gauss);
 944         }
 945 }
 946
 947 void td_fill_verify_state_seed(struct thread_data *td)
 948 {
 949         bool use64;
 950
 951         if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
 952                 use64 = 1;
 953         else
 954                 use64 = 0;
 955
 956         init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF],
 957                 use64);
 958 }
 959
 960 static void td_fill_rand_seeds_internal(struct thread_data *td, bool use64)
 961 {
 962         int i;
 963
 964         init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF], use64);
 965         td_fill_verify_state_seed(td);
 966         init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF], false);
 967
 968         if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
 969                 init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF], use64);
 970         else if (td->o.file_service_type & __FIO_FSERVICE_NONUNIFORM)
 971                 init_rand_file_service(td);
 972
 973         init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], use64);
 974         init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF], use64);
 975         init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY], use64);
 976         init_rand_seed(&td->poisson_state, td->rand_seeds[FIO_RAND_POISSON_OFF], 0);
 977         init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF], false);
 978         init_rand_seed(&td->zone_state, td->rand_seeds[FIO_RAND_ZONE_OFF], false);
 979
 980         if (!td_random(td))
 981                 return;
 982
 983         if (td->o.rand_repeatable)
 984                 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
 985
 986         init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF], use64);
 987
 988         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 989                 struct frand_state *s = &td->seq_rand_state[i];
 990
 991                 init_rand_seed(s, td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], false);
 992         }
 993 }
 994
 995 void td_fill_rand_seeds(struct thread_data *td)
 996 {
 997         bool use64;
 998
 999         if (td->o.allrand_repeatable) {
1000                 unsigned int i;
1001
1002                 for (i = 0; i < FIO_RAND_NR_OFFS; i++)
1003                         td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
1004                                 + i;
1005         }
1006
1007         if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
1008                 use64 = 1;
1009         else
1010                 use64 = 0;
1011
1012         td_fill_rand_seeds_internal(td, use64);
1013
1014         init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF], use64);
1015         frand_copy(&td->buf_state_prev, &td->buf_state);
1016 }
1017
1018 /*
1019  * Initializes the ioengine configured for a job, if it has not been done so
1020  * already.
1021  */
1022 int ioengine_load(struct thread_data *td)
1023 {
1024         const char *engine;
1025
1026         /*
1027          * Engine has already been loaded.
1028          */
1029         if (td->io_ops)
1030                 return 0;
1031         if (!td->o.ioengine) {
1032                 log_err("fio: internal fault, no IO engine specified\n");
1033                 return 1;
1034         }
1035
1036         engine = get_engine_name(td->o.ioengine);
1037         td->io_ops = load_ioengine(td, engine);
1038         if (!td->io_ops) {
1039                 log_err("fio: failed to load engine %s\n", engine);
1040                 return 1;
1041         }
1042
1043         if (td->io_ops->option_struct_size && td->io_ops->options) {
1044                 /*
1045                  * In cases where td->eo is set, clone it for a child thread.
1046                  * This requires that the parent thread has the same ioengine,
1047                  * but that requirement must be enforced by the code which
1048                  * cloned the thread.
1049                  */
1050                 void *origeo = td->eo;
1051                 /*
1052                  * Otherwise use the default thread options.
1053                  */
1054                 if (!origeo && td != &def_thread && def_thread.eo &&
1055                     def_thread.io_ops->options == td->io_ops->options)
1056                         origeo = def_thread.eo;
1057
1058                 options_init(td->io_ops->options);
1059                 td->eo = malloc(td->io_ops->option_struct_size);
1060                 /*
1061                  * Use the default thread as an option template if this uses the
1062                  * same options structure and there are non-default options
1063                  * used.
1064                  */
1065                 if (origeo) {
1066                         memcpy(td->eo, origeo, td->io_ops->option_struct_size);
1067                         options_mem_dupe(td->eo, td->io_ops->options);
1068                 } else {
1069                         memset(td->eo, 0, td->io_ops->option_struct_size);
1070                         fill_default_options(td->eo, td->io_ops->options);
1071                 }
1072                 *(struct thread_data **)td->eo = td;
1073         }
1074
1075         if (td->o.odirect)
1076                 td->io_ops->flags |= FIO_RAWIO;
1077
1078         td_set_ioengine_flags(td);
1079         return 0;
1080 }
1081
1082 static void init_flags(struct thread_data *td)
1083 {
1084         struct thread_options *o = &td->o;
1085
1086         if (o->verify_backlog)
1087                 td->flags |= TD_F_VER_BACKLOG;
1088         if (o->trim_backlog)
1089                 td->flags |= TD_F_TRIM_BACKLOG;
1090         if (o->read_iolog_file)
1091                 td->flags |= TD_F_READ_IOLOG;
1092         if (o->refill_buffers)
1093                 td->flags |= TD_F_REFILL_BUFFERS;
1094         /*
1095          * Always scramble buffers if asked to
1096          */
1097         if (o->scramble_buffers && fio_option_is_set(o, scramble_buffers))
1098                 td->flags |= TD_F_SCRAMBLE_BUFFERS;
1099         /*
1100          * But also scramble buffers, unless we were explicitly asked
1101          * to zero them.
1102          */
1103         if (o->scramble_buffers && !(o->zero_buffers &&
1104             fio_option_is_set(o, zero_buffers)))
1105                 td->flags |= TD_F_SCRAMBLE_BUFFERS;
1106         if (o->verify != VERIFY_NONE)
1107                 td->flags |= TD_F_VER_NONE;
1108
1109         if (o->verify_async || o->io_submit_mode == IO_MODE_OFFLOAD)
1110                 td->flags |= TD_F_NEED_LOCK;
1111 }
1112
1113 static int setup_random_seeds(struct thread_data *td)
1114 {
1115         unsigned long seed;
1116         unsigned int i;
1117
1118         if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed))
1119                 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
1120
1121         seed = td->o.rand_seed;
1122         for (i = 0; i < 4; i++)
1123                 seed *= 0x9e370001UL;
1124
1125         for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
1126                 td->rand_seeds[i] = seed * td->thread_number + i;
1127                 seed *= 0x9e370001UL;
1128         }
1129
1130         td_fill_rand_seeds(td);
1131         return 0;
1132 }
1133
1134 enum {
1135         FPRE_NONE = 0,
1136         FPRE_JOBNAME,
1137         FPRE_JOBNUM,
1138         FPRE_FILENUM
1139 };
1140
1141 static struct fpre_keyword {
1142         const char *keyword;
1143         size_t strlen;
1144         int key;
1145 } fpre_keywords[] = {
1146         { .keyword = "$jobname",        .key = FPRE_JOBNAME, },
1147         { .keyword = "$jobnum",         .key = FPRE_JOBNUM, },
1148         { .keyword = "$filenum",        .key = FPRE_FILENUM, },
1149         { .keyword = NULL, },
1150         };
1151
1152 static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
1153                            const char *jobname, int jobnum, int filenum)
1154 {
1155         struct fpre_keyword *f;
1156         char copy[PATH_MAX];
1157         size_t dst_left = PATH_MAX - 1;
1158
1159         if (!o->filename_format || !strlen(o->filename_format)) {
1160                 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
1161                 return NULL;
1162         }
1163
1164         for (f = &fpre_keywords[0]; f->keyword; f++)
1165                 f->strlen = strlen(f->keyword);
1166
1167         buf[buf_size - 1] = '\0';
1168         strncpy(buf, o->filename_format, buf_size - 1);
1169
1170         memset(copy, 0, sizeof(copy));
1171         for (f = &fpre_keywords[0]; f->keyword; f++) {
1172                 do {
1173                         size_t pre_len, post_start = 0;
1174                         char *str, *dst = copy;
1175
1176                         str = strcasestr(buf, f->keyword);
1177                         if (!str)
1178                                 break;
1179
1180                         pre_len = str - buf;
1181                         if (strlen(str) != f->strlen)
1182                                 post_start = pre_len + f->strlen;
1183
1184                         if (pre_len) {
1185                                 strncpy(dst, buf, pre_len);
1186                                 dst += pre_len;
1187                                 dst_left -= pre_len;
1188                         }
1189
1190                         switch (f->key) {
1191                         case FPRE_JOBNAME: {
1192                                 int ret;
1193
1194                                 ret = snprintf(dst, dst_left, "%s", jobname);
1195                                 if (ret < 0)
1196                                         break;
1197                                 else if (ret > dst_left) {
1198                                         log_err("fio: truncated filename\n");
1199                                         dst += dst_left;
1200                                         dst_left = 0;
1201                                 } else {
1202                                         dst += ret;
1203                                         dst_left -= ret;
1204                                 }
1205                                 break;
1206                                 }
1207                         case FPRE_JOBNUM: {
1208                                 int ret;
1209
1210                                 ret = snprintf(dst, dst_left, "%d", jobnum);
1211                                 if (ret < 0)
1212                                         break;
1213                                 else if (ret > dst_left) {
1214                                         log_err("fio: truncated filename\n");
1215                                         dst += dst_left;
1216                                         dst_left = 0;
1217                                 } else {
1218                                         dst += ret;
1219                                         dst_left -= ret;
1220                                 }
1221                                 break;
1222                                 }
1223                         case FPRE_FILENUM: {
1224                                 int ret;
1225
1226                                 ret = snprintf(dst, dst_left, "%d", filenum);
1227                                 if (ret < 0)
1228                                         break;
1229                                 else if (ret > dst_left) {
1230                                         log_err("fio: truncated filename\n");
1231                                         dst += dst_left;
1232                                         dst_left = 0;
1233                                 } else {
1234                                         dst += ret;
1235                                         dst_left -= ret;
1236                                 }
1237                                 break;
1238                                 }
1239                         default:
1240                                 assert(0);
1241                                 break;
1242                         }
1243
1244                         if (post_start)
1245                                 strncpy(dst, buf + post_start, dst_left);
1246
1247                         strncpy(buf, copy, buf_size - 1);
1248                 } while (1);
1249         }
1250
1251         return buf;
1252 }
1253
1254 int parse_dryrun(void)
1255 {
1256         return dump_cmdline || parse_only;
1257 }
1258
1259 static void gen_log_name(char *name, size_t size, const char *logtype,
1260                          const char *logname, unsigned int num,
1261                          const char *suf, int per_job)
1262 {
1263         if (per_job)
1264                 snprintf(name, size, "%s_%s.%d.%s", logname, logtype, num, suf);
1265         else
1266                 snprintf(name, size, "%s_%s.%s", logname, logtype, suf);
1267 }
1268
1269 static int check_waitees(char *waitee)
1270 {
1271         struct thread_data *td;
1272         int i, ret = 0;
1273
1274         for_each_td(td, i) {
1275                 if (td->subjob_number)
1276                         continue;
1277
1278                 ret += !strcmp(td->o.name, waitee);
1279         }
1280
1281         return ret;
1282 }
1283
1284 static bool wait_for_ok(const char *jobname, struct thread_options *o)
1285 {
1286         int nw;
1287
1288         if (!o->wait_for)
1289                 return true;
1290
1291         if (!strcmp(jobname, o->wait_for)) {
1292                 log_err("%s: a job cannot wait for itself (wait_for=%s).\n",
1293                                 jobname, o->wait_for);
1294                 return false;
1295         }
1296
1297         if (!(nw = check_waitees(o->wait_for))) {
1298                 log_err("%s: waitee job %s unknown.\n", jobname, o->wait_for);
1299                 return false;
1300         }
1301
1302         if (nw > 1) {
1303                 log_err("%s: multiple waitees %s found,\n"
1304                         "please avoid duplicates when using wait_for option.\n",
1305                                 jobname, o->wait_for);
1306                 return false;
1307         }
1308
1309         return true;
1310 }
1311
1312 /*
1313  * Adds a job to the list of things todo. Sanitizes the various options
1314  * to make sure we don't have conflicts, and initializes various
1315  * members of td.
1316  */
1317 static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
1318                    int recursed, int client_type)
1319 {
1320         unsigned int i;
1321         char fname[PATH_MAX];
1322         int numjobs, file_alloced;
1323         struct thread_options *o = &td->o;
1324         char logname[PATH_MAX + 32];
1325
1326         /*
1327          * the def_thread is just for options, it's not a real job
1328          */
1329         if (td == &def_thread)
1330                 return 0;
1331
1332         init_flags(td);
1333
1334         /*
1335          * if we are just dumping the output command line, don't add the job
1336          */
1337         if (parse_dryrun()) {
1338                 put_job(td);
1339                 return 0;
1340         }
1341
1342         td->client_type = client_type;
1343
1344         if (profile_td_init(td))
1345                 goto err;
1346
1347         if (ioengine_load(td))
1348                 goto err;
1349
1350         file_alloced = 0;
1351         if (!o->filename && !td->files_index && !o->read_iolog_file) {
1352                 file_alloced = 1;
1353
1354                 if (o->nr_files == 1 && exists_and_not_regfile(jobname))
1355                         add_file(td, jobname, job_add_num, 0);
1356                 else {
1357                         for (i = 0; i < o->nr_files; i++)
1358                                 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
1359                 }
1360         }
1361
1362         if (fixup_options(td))
1363                 goto err;
1364
1365         /*
1366          * Belongs to fixup_options, but o->name is not necessarily set as yet
1367          */
1368         if (!wait_for_ok(jobname, o))
1369                 goto err;
1370
1371         flow_init_job(td);
1372
1373         /*
1374          * IO engines only need this for option callbacks, and the address may
1375          * change in subprocesses.
1376          */
1377         if (td->eo)
1378                 *(struct thread_data **)td->eo = NULL;
1379
1380         if (td_ioengine_flagged(td, FIO_DISKLESSIO)) {
1381                 struct fio_file *f;
1382
1383                 for_each_file(td, f, i)
1384                         f->real_file_size = -1ULL;
1385         }
1386
1387         td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
1388
1389         td->ts.clat_percentiles = o->clat_percentiles;
1390         td->ts.percentile_precision = o->percentile_precision;
1391         memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
1392
1393         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1394                 td->ts.clat_stat[i].min_val = ULONG_MAX;
1395                 td->ts.slat_stat[i].min_val = ULONG_MAX;
1396                 td->ts.lat_stat[i].min_val = ULONG_MAX;
1397                 td->ts.bw_stat[i].min_val = ULONG_MAX;
1398         }
1399         td->ddir_seq_nr = o->ddir_seq_nr;
1400
1401         if ((o->stonewall || o->new_group) && prev_group_jobs) {
1402                 prev_group_jobs = 0;
1403                 groupid++;
1404                 if (groupid == INT_MAX) {
1405                         log_err("fio: too many groups defined\n");
1406                         goto err;
1407                 }
1408         }
1409
1410         td->groupid = groupid;
1411         prev_group_jobs++;
1412
1413         if (setup_random_seeds(td)) {
1414                 td_verror(td, errno, "init_random_state");
1415                 goto err;
1416         }
1417
1418         if (setup_rate(td))
1419                 goto err;
1420
1421         if (o->lat_log_file) {
1422                 struct log_params p = {
1423                         .td = td,
1424                         .avg_msec = o->log_avg_msec,
1425                         .hist_msec = o->log_hist_msec,
1426                         .hist_coarseness = o->log_hist_coarseness,
1427                         .log_type = IO_LOG_TYPE_LAT,
1428                         .log_offset = o->log_offset,
1429                         .log_gz = o->log_gz,
1430                         .log_gz_store = o->log_gz_store,
1431                 };
1432                 const char *suf;
1433
1434                 if (p.log_gz_store)
1435                         suf = "log.fz";
1436                 else
1437                         suf = "log";
1438
1439                 gen_log_name(logname, sizeof(logname), "lat", o->lat_log_file,
1440                                 td->thread_number, suf, o->per_job_logs);
1441                 setup_log(&td->lat_log, &p, logname);
1442
1443                 gen_log_name(logname, sizeof(logname), "slat", o->lat_log_file,
1444                                 td->thread_number, suf, o->per_job_logs);
1445                 setup_log(&td->slat_log, &p, logname);
1446
1447                 gen_log_name(logname, sizeof(logname), "clat", o->lat_log_file,
1448                                 td->thread_number, suf, o->per_job_logs);
1449                 setup_log(&td->clat_log, &p, logname);
1450         }
1451
1452         if (o->hist_log_file) {
1453                 struct log_params p = {
1454                         .td = td,
1455                         .avg_msec = o->log_avg_msec,
1456                         .hist_msec = o->log_hist_msec,
1457                         .hist_coarseness = o->log_hist_coarseness,
1458                         .log_type = IO_LOG_TYPE_HIST,
1459                         .log_offset = o->log_offset,
1460                         .log_gz = o->log_gz,
1461                         .log_gz_store = o->log_gz_store,
1462                 };
1463                 const char *suf;
1464
1465                 if (p.log_gz_store)
1466                         suf = "log.fz";
1467                 else
1468                         suf = "log";
1469
1470                 gen_log_name(logname, sizeof(logname), "clat_hist", o->hist_log_file,
1471                                 td->thread_number, suf, o->per_job_logs);
1472                 setup_log(&td->clat_hist_log, &p, logname);
1473         }
1474
1475         if (o->bw_log_file) {
1476                 struct log_params p = {
1477                         .td = td,
1478                         .avg_msec = o->log_avg_msec,
1479                         .hist_msec = o->log_hist_msec,
1480                         .hist_coarseness = o->log_hist_coarseness,
1481                         .log_type = IO_LOG_TYPE_BW,
1482                         .log_offset = o->log_offset,
1483                         .log_gz = o->log_gz,
1484                         .log_gz_store = o->log_gz_store,
1485                 };
1486                 const char *suf;
1487
1488                 if (fio_option_is_set(o, bw_avg_time))
1489                         p.avg_msec = min(o->log_avg_msec, o->bw_avg_time);
1490                 else
1491                         o->bw_avg_time = p.avg_msec;
1492
1493                 p.hist_msec = o->log_hist_msec;
1494                 p.hist_coarseness = o->log_hist_coarseness;
1495
1496                 if (p.log_gz_store)
1497                         suf = "log.fz";
1498                 else
1499                         suf = "log";
1500
1501                 gen_log_name(logname, sizeof(logname), "bw", o->bw_log_file,
1502                                 td->thread_number, suf, o->per_job_logs);
1503                 setup_log(&td->bw_log, &p, logname);
1504         }
1505         if (o->iops_log_file) {
1506                 struct log_params p = {
1507                         .td = td,
1508                         .avg_msec = o->log_avg_msec,
1509                         .hist_msec = o->log_hist_msec,
1510                         .hist_coarseness = o->log_hist_coarseness,
1511                         .log_type = IO_LOG_TYPE_IOPS,
1512                         .log_offset = o->log_offset,
1513                         .log_gz = o->log_gz,
1514                         .log_gz_store = o->log_gz_store,
1515                 };
1516                 const char *suf;
1517
1518                 if (fio_option_is_set(o, iops_avg_time))
1519                         p.avg_msec = min(o->log_avg_msec, o->iops_avg_time);
1520                 else
1521                         o->iops_avg_time = p.avg_msec;
1522
1523                 p.hist_msec = o->log_hist_msec;
1524                 p.hist_coarseness = o->log_hist_coarseness;
1525
1526                 if (p.log_gz_store)
1527                         suf = "log.fz";
1528                 else
1529                         suf = "log";
1530
1531                 gen_log_name(logname, sizeof(logname), "iops", o->iops_log_file,
1532                                 td->thread_number, suf, o->per_job_logs);
1533                 setup_log(&td->iops_log, &p, logname);
1534         }
1535
1536         if (!o->name)
1537                 o->name = strdup(jobname);
1538
1539         if (output_format & FIO_OUTPUT_NORMAL) {
1540                 if (!job_add_num) {
1541                         if (is_backend && !recursed)
1542                                 fio_server_send_add_job(td);
1543
1544                         if (!td_ioengine_flagged(td, FIO_NOIO)) {
1545                                 char *c1, *c2, *c3, *c4;
1546                                 char *c5 = NULL, *c6 = NULL;
1547
1548                                 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1549                                 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1550                                 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1551                                 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
1552
1553                                 if (!o->bs_is_seq_rand) {
1554                                         c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1555                                         c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1556                                 }
1557
1558                                 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1559                                                         td->groupid,
1560                                                         ddir_str(o->td_ddir));
1561
1562                                 if (o->bs_is_seq_rand)
1563                                         log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1564                                                         c1, c2, c3, c4);
1565                                 else
1566                                         log_info("bs=%s-%s/%s-%s/%s-%s, ",
1567                                                         c1, c2, c3, c4, c5, c6);
1568
1569                                 log_info("ioengine=%s, iodepth=%u\n",
1570                                                 td->io_ops->name, o->iodepth);
1571
1572                                 free(c1);
1573                                 free(c2);
1574                                 free(c3);
1575                                 free(c4);
1576                                 free(c5);
1577                                 free(c6);
1578                         }
1579                 } else if (job_add_num == 1)
1580                         log_info("...\n");
1581         }
1582
1583         if (o->ss_dur) {
1584                 steadystate = true;
1585                 o->ss_dur /= 1000000L;
1586
1587                 /* put all steady state info in one place */
1588                 td->ss.dur = o->ss_dur;
1589                 td->ss.limit = o->ss_limit.u.f;
1590                 td->ss.ramp_time = o->ss_ramp_time;
1591                 td->ss.pct = o->ss_pct;
1592
1593                 if (o->ss == FIO_STEADYSTATE_IOPS_SLOPE || o->ss == FIO_STEADYSTATE_BW_SLOPE) {
1594                         td->ss.check_slope = true;
1595                         td->ss.evaluate = &steadystate_slope;
1596                 } else {
1597                         td->ss.check_slope = false;
1598                         td->ss.evaluate = &steadystate_deviation;
1599                 }
1600
1601                 if (o->ss == FIO_STEADYSTATE_IOPS || o->ss == FIO_STEADYSTATE_IOPS_SLOPE)
1602                         td->ss.check_iops = true;
1603                 else
1604                         td->ss.check_iops = false;
1605
1606                 td->ss.bw_data = NULL;
1607                 td->ss.iops_data = NULL;
1608                 td->ss.ramp_time_over = (td->ss.ramp_time == 0);
1609                 td->ss.attained = 0;
1610                 td->ss.last_in_group = 0;
1611                 td->ss.head = 0;
1612                 td->ss.tail = 0;
1613                 td->ss.sum_x = o->ss_dur * (o->ss_dur - 1) / 2;
1614                 td->ss.sum_x_sq = (o->ss_dur - 1) * (o->ss_dur) * (2*o->ss_dur - 1) / 6;
1615                 td->ss.prev_bytes = 0;
1616                 td->ss.prev_iops = 0;
1617                 td->ss.sum_y = 0;
1618                 td->ss.oldest_y = 0;
1619                 td->ss.criterion = 0.0;
1620                 td->ss.slope = 0.0;
1621                 td->ss.deviation = 0.0;
1622                 td->ts.ss = &td->ss;
1623         }
1624         else
1625                 td->ts.ss = NULL;
1626
1627         /*
1628          * recurse add identical jobs, clear numjobs and stonewall options
1629          * as they don't apply to sub-jobs
1630          */
1631         numjobs = o->numjobs;
1632         while (--numjobs) {
1633                 struct thread_data *td_new = get_new_job(0, td, 1, jobname);
1634
1635                 if (!td_new)
1636                         goto err;
1637
1638                 td_new->o.numjobs = 1;
1639                 td_new->o.stonewall = 0;
1640                 td_new->o.new_group = 0;
1641                 td_new->subjob_number = numjobs;
1642                 td_new->o.ss_dur = o->ss_dur * 1000000l;
1643                 td_new->o.ss_limit = o->ss_limit;
1644
1645                 if (file_alloced) {
1646                         if (td_new->files) {
1647                                 struct fio_file *f;
1648                                 for_each_file(td_new, f, i) {
1649                                         if (f->file_name)
1650                                                 sfree(f->file_name);
1651                                         sfree(f);
1652                                 }
1653                                 free(td_new->files);
1654                                 td_new->files = NULL;
1655                         }
1656                         td_new->files_index = 0;
1657                         td_new->files_size = 0;
1658                         if (td_new->o.filename) {
1659                                 free(td_new->o.filename);
1660                                 td_new->o.filename = NULL;
1661                         }
1662                 }
1663
1664                 if (add_job(td_new, jobname, numjobs, 1, client_type))
1665                         goto err;
1666         }
1667
1668         return 0;
1669 err:
1670         put_job(td);
1671         return -1;
1672 }
1673
1674 /*
1675  * Parse as if 'o' was a command line
1676  */
1677 void add_job_opts(const char **o, int client_type)
1678 {
1679         struct thread_data *td, *td_parent;
1680         int i, in_global = 1;
1681         char jobname[32];
1682
1683         i = 0;
1684         td_parent = td = NULL;
1685         while (o[i]) {
1686                 if (!strncmp(o[i], "name", 4)) {
1687                         in_global = 0;
1688                         if (td)
1689                                 add_job(td, jobname, 0, 0, client_type);
1690                         td = NULL;
1691                         sprintf(jobname, "%s", o[i] + 5);
1692                 }
1693                 if (in_global && !td_parent)
1694                         td_parent = get_new_job(1, &def_thread, 0, jobname);
1695                 else if (!in_global && !td) {
1696                         if (!td_parent)
1697                                 td_parent = &def_thread;
1698                         td = get_new_job(0, td_parent, 0, jobname);
1699                 }
1700                 if (in_global)
1701                         fio_options_parse(td_parent, (char **) &o[i], 1);
1702                 else
1703                         fio_options_parse(td, (char **) &o[i], 1);
1704                 i++;
1705         }
1706
1707         if (td)
1708                 add_job(td, jobname, 0, 0, client_type);
1709 }
1710
1711 static int skip_this_section(const char *name)
1712 {
1713         int i;
1714
1715         if (!nr_job_sections)
1716                 return 0;
1717         if (!strncmp(name, "global", 6))
1718                 return 0;
1719
1720         for (i = 0; i < nr_job_sections; i++)
1721                 if (!strcmp(job_sections[i], name))
1722                         return 0;
1723
1724         return 1;
1725 }
1726
1727 static int is_empty_or_comment(char *line)
1728 {
1729         unsigned int i;
1730
1731         for (i = 0; i < strlen(line); i++) {
1732                 if (line[i] == ';')
1733                         return 1;
1734                 if (line[i] == '#')
1735                         return 1;
1736                 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
1737                         return 0;
1738         }
1739
1740         return 1;
1741 }
1742
1743 /*
1744  * This is our [ini] type file parser.
1745  */
1746 int __parse_jobs_ini(struct thread_data *td,
1747                 char *file, int is_buf, int stonewall_flag, int type,
1748                 int nested, char *name, char ***popts, int *aopts, int *nopts)
1749 {
1750         unsigned int global = 0;
1751         char *string;
1752         FILE *f;
1753         char *p;
1754         int ret = 0, stonewall;
1755         int first_sect = 1;
1756         int skip_fgets = 0;
1757         int inside_skip = 0;
1758         char **opts;
1759         int i, alloc_opts, num_opts;
1760
1761         dprint(FD_PARSE, "Parsing ini file %s\n", file);
1762         assert(td || !nested);
1763
1764         if (is_buf)
1765                 f = NULL;
1766         else {
1767                 if (!strcmp(file, "-"))
1768                         f = stdin;
1769                 else
1770                         f = fopen(file, "r");
1771
1772                 if (!f) {
1773                         int __err = errno;
1774
1775                         log_err("fio: unable to open '%s' job file\n", file);
1776                         if (td)
1777                                 td_verror(td, __err, "job file open");
1778                         return 1;
1779                 }
1780         }
1781
1782         string = malloc(4096);
1783
1784         /*
1785          * it's really 256 + small bit, 280 should suffice
1786          */
1787         if (!nested) {
1788                 name = malloc(280);
1789                 memset(name, 0, 280);
1790         }
1791
1792         opts = NULL;
1793         if (nested && popts) {
1794                 opts = *popts;
1795                 alloc_opts = *aopts;
1796                 num_opts = *nopts;
1797         }
1798
1799         if (!opts) {
1800                 alloc_opts = 8;
1801                 opts = malloc(sizeof(char *) * alloc_opts);
1802                 num_opts = 0;
1803         }
1804
1805         stonewall = stonewall_flag;
1806         do {
1807                 /*
1808                  * if skip_fgets is set, we already have loaded a line we
1809                  * haven't handled.
1810                  */
1811                 if (!skip_fgets) {
1812                         if (is_buf)
1813                                 p = strsep(&file, "\n");
1814                         else
1815                                 p = fgets(string, 4096, f);
1816                         if (!p)
1817                                 break;
1818                 }
1819
1820                 skip_fgets = 0;
1821                 strip_blank_front(&p);
1822                 strip_blank_end(p);
1823
1824                 dprint(FD_PARSE, "%s\n", p);
1825                 if (is_empty_or_comment(p))
1826                         continue;
1827
1828                 if (!nested) {
1829                         if (sscanf(p, "[%255[^\n]]", name) != 1) {
1830                                 if (inside_skip)
1831                                         continue;
1832
1833                                 log_err("fio: option <%s> outside of "
1834                                         "[] job section\n", p);
1835                                 ret = 1;
1836                                 break;
1837                         }
1838
1839                         name[strlen(name) - 1] = '\0';
1840
1841                         if (skip_this_section(name)) {
1842                                 inside_skip = 1;
1843                                 continue;
1844                         } else
1845                                 inside_skip = 0;
1846
1847                         dprint(FD_PARSE, "Parsing section [%s]\n", name);
1848
1849                         global = !strncmp(name, "global", 6);
1850
1851                         if (dump_cmdline) {
1852                                 if (first_sect)
1853                                         log_info("fio ");
1854                                 if (!global)
1855                                         log_info("--name=%s ", name);
1856                                 first_sect = 0;
1857                         }
1858
1859                         td = get_new_job(global, &def_thread, 0, name);
1860                         if (!td) {
1861                                 ret = 1;
1862                                 break;
1863                         }
1864
1865                         /*
1866                          * Separate multiple job files by a stonewall
1867                          */
1868                         if (!global && stonewall) {
1869                                 td->o.stonewall = stonewall;
1870                                 stonewall = 0;
1871                         }
1872
1873                         num_opts = 0;
1874                         memset(opts, 0, alloc_opts * sizeof(char *));
1875                 }
1876                 else
1877                         skip_fgets = 1;
1878
1879                 while (1) {
1880                         if (!skip_fgets) {
1881                                 if (is_buf)
1882                                         p = strsep(&file, "\n");
1883                                 else
1884                                         p = fgets(string, 4096, f);
1885                                 if (!p)
1886                                         break;
1887                                 dprint(FD_PARSE, "%s", p);
1888                         }
1889                         else
1890                                 skip_fgets = 0;
1891
1892                         if (is_empty_or_comment(p))
1893                                 continue;
1894
1895                         strip_blank_front(&p);
1896
1897                         /*
1898                          * new section, break out and make sure we don't
1899                          * fgets() a new line at the top.
1900                          */
1901                         if (p[0] == '[') {
1902                                 if (nested) {
1903                                         log_err("No new sections in included files\n");
1904                                         return 1;
1905                                 }
1906
1907                                 skip_fgets = 1;
1908                                 break;
1909                         }
1910
1911                         strip_blank_end(p);
1912
1913                         if (!strncmp(p, "include", strlen("include"))) {
1914                                 char *filename = p + strlen("include") + 1,
1915                                         *ts, *full_fn = NULL;
1916
1917                                 /*
1918                                  * Allow for the include filename
1919                                  * specification to be relative.
1920                                  */
1921                                 if (access(filename, F_OK) &&
1922                                     (ts = strrchr(file, '/'))) {
1923                                         int len = ts - file +
1924                                                 strlen(filename) + 2;
1925
1926                                         if (!(full_fn = calloc(1, len))) {
1927                                                 ret = ENOMEM;
1928                                                 break;
1929                                         }
1930
1931                                         strncpy(full_fn,
1932                                                 file, (ts - file) + 1);
1933                                         strncpy(full_fn + (ts - file) + 1,
1934                                                 filename, strlen(filename));
1935                                         full_fn[len - 1] = 0;
1936                                         filename = full_fn;
1937                                 }
1938
1939                                 ret = __parse_jobs_ini(td, filename, is_buf,
1940                                                        stonewall_flag, type, 1,
1941                                                        name, &opts,
1942                                                        &alloc_opts, &num_opts);
1943
1944                                 if (ret) {
1945                                         log_err("Error %d while parsing "
1946                                                 "include file %s\n",
1947                                                 ret, filename);
1948                                 }
1949
1950                                 if (full_fn)
1951                                         free(full_fn);
1952
1953                                 if (ret)
1954                                         break;
1955
1956                                 continue;
1957                         }
1958
1959                         if (num_opts == alloc_opts) {
1960                                 alloc_opts <<= 1;
1961                                 opts = realloc(opts,
1962                                                 alloc_opts * sizeof(char *));
1963                         }
1964
1965                         opts[num_opts] = strdup(p);
1966                         num_opts++;
1967                 }
1968
1969                 if (nested) {
1970                         *popts = opts;
1971                         *aopts = alloc_opts;
1972                         *nopts = num_opts;
1973                         goto out;
1974                 }
1975
1976                 ret = fio_options_parse(td, opts, num_opts);
1977                 if (!ret) {
1978                         if (dump_cmdline)
1979                                 dump_opt_list(td);
1980
1981                         ret = add_job(td, name, 0, 0, type);
1982                 } else {
1983                         log_err("fio: job %s dropped\n", name);
1984                         put_job(td);
1985                 }
1986
1987                 for (i = 0; i < num_opts; i++)
1988                         free(opts[i]);
1989                 num_opts = 0;
1990         } while (!ret);
1991
1992         if (dump_cmdline)
1993                 log_info("\n");
1994
1995         i = 0;
1996         while (i < nr_job_sections) {
1997                 free(job_sections[i]);
1998                 i++;
1999         }
2000
2001         free(opts);
2002 out:
2003         free(string);
2004         if (!nested)
2005                 free(name);
2006         if (!is_buf && f != stdin)
2007                 fclose(f);
2008         return ret;
2009 }
2010
2011 int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
2012 {
2013         return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type,
2014                         0, NULL, NULL, NULL, NULL);
2015 }
2016
2017 static int fill_def_thread(void)
2018 {
2019         memset(&def_thread, 0, sizeof(def_thread));
2020         INIT_FLIST_HEAD(&def_thread.opt_list);
2021
2022         fio_getaffinity(getpid(), &def_thread.o.cpumask);
2023         def_thread.o.error_dump = 1;
2024
2025         /*
2026          * fill default options
2027          */
2028         fio_fill_default_options(&def_thread);
2029         return 0;
2030 }
2031
2032 static void show_debug_categories(void)
2033 {
2034 #ifdef FIO_INC_DEBUG
2035         struct debug_level *dl = &debug_levels[0];
2036         int curlen, first = 1;
2037
2038         curlen = 0;
2039         while (dl->name) {
2040                 int has_next = (dl + 1)->name != NULL;
2041
2042                 if (first || curlen + strlen(dl->name) >= 80) {
2043                         if (!first) {
2044                                 printf("\n");
2045                                 curlen = 0;
2046                         }
2047                         curlen += printf("\t\t\t%s", dl->name);
2048                         curlen += 3 * (8 - 1);
2049                         if (has_next)
2050                                 curlen += printf(",");
2051                 } else {
2052                         curlen += printf("%s", dl->name);
2053                         if (has_next)
2054                                 curlen += printf(",");
2055                 }
2056                 dl++;
2057                 first = 0;
2058         }
2059         printf("\n");
2060 #endif
2061 }
2062
2063 static void usage(const char *name)
2064 {
2065         printf("%s\n", fio_version_string);
2066         printf("%s [options] [job options] <job file(s)>\n", name);
2067         printf("  --debug=options\tEnable debug logging. May be one/more of:\n");
2068         show_debug_categories();
2069         printf("  --parse-only\t\tParse options only, don't start any IO\n");
2070         printf("  --output\t\tWrite output to file\n");
2071         printf("  --runtime\t\tRuntime in seconds\n");
2072         printf("  --bandwidth-log\tGenerate per-job bandwidth logs\n");
2073         printf("  --minimal\t\tMinimal (terse) output\n");
2074         printf("  --output-format=x\tOutput format (terse,json,json+,normal)\n");
2075         printf("  --terse-version=x\tSet terse version output format to 'x'\n");
2076         printf("  --version\t\tPrint version info and exit\n");
2077         printf("  --help\t\tPrint this page\n");
2078         printf("  --cpuclock-test\tPerform test/validation of CPU clock\n");
2079         printf("  --crctest\t\tTest speed of checksum functions\n");
2080         printf("  --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
2081                 " them\n");
2082         printf("  --enghelp=engine\tPrint ioengine help, or list"
2083                 " available ioengines\n");
2084         printf("  --enghelp=engine,cmd\tPrint help for an ioengine"
2085                 " cmd\n");
2086         printf("  --showcmd\t\tTurn a job file into command line options\n");
2087         printf("  --eta=when\t\tWhen ETA estimate should be printed\n");
2088         printf("            \t\tMay be \"always\", \"never\" or \"auto\"\n");
2089         printf("  --eta-newline=time\tForce a new line for every 'time'");
2090         printf(" period passed\n");
2091         printf("  --status-interval=t\tForce full status dump every");
2092         printf(" 't' period passed\n");
2093         printf("  --readonly\t\tTurn on safety read-only checks, preventing"
2094                 " writes\n");
2095         printf("  --section=name\tOnly run specified section in job file\n");
2096         printf("  --alloc-size=kb\tSet smalloc pool to this size in kb"
2097                 " (def 1024)\n");
2098         printf("  --warnings-fatal\tFio parser warnings are fatal\n");
2099         printf("  --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
2100         printf("  --server=args\t\tStart a backend fio server\n");
2101         printf("  --daemonize=pidfile\tBackground fio server, write pid to file\n");
2102         printf("  --client=hostname\tTalk to remote backend fio server at hostname\n");
2103         printf("  --remote-config=file\tTell fio server to load this local job file\n");
2104         printf("  --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
2105                 "\t\t\t(option=system,percpu) or run unit work\n"
2106                 "\t\t\tcalibration only (option=calibrate)\n");
2107 #ifdef CONFIG_ZLIB
2108         printf("  --inflate-log=log\tInflate and output compressed log\n");
2109 #endif
2110         printf("  --trigger-file=file\tExecute trigger cmd when file exists\n");
2111         printf("  --trigger-timeout=t\tExecute trigger af this time\n");
2112         printf("  --trigger=cmd\t\tSet this command as local trigger\n");
2113         printf("  --trigger-remote=cmd\tSet this command as remote trigger\n");
2114         printf("  --aux-path=path\tUse this path for fio state generated files\n");
2115         printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
2116         printf("\n                   Jens Axboe <jaxboe@fusionio.com>");
2117         printf("\n                   Jens Axboe <axboe@fb.com>\n");
2118 }
2119
2120 #ifdef FIO_INC_DEBUG
2121 struct debug_level debug_levels[] = {
2122         { .name = "process",
2123           .help = "Process creation/exit logging",
2124           .shift = FD_PROCESS,
2125         },
2126         { .name = "file",
2127           .help = "File related action logging",
2128           .shift = FD_FILE,
2129         },
2130         { .name = "io",
2131           .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
2132           .shift = FD_IO,
2133         },
2134         { .name = "mem",
2135           .help = "Memory allocation/freeing logging",
2136           .shift = FD_MEM,
2137         },
2138         { .name = "blktrace",
2139           .help = "blktrace action logging",
2140           .shift = FD_BLKTRACE,
2141         },
2142         { .name = "verify",
2143           .help = "IO verification action logging",
2144           .shift = FD_VERIFY,
2145         },
2146         { .name = "random",
2147           .help = "Random generation logging",
2148           .shift = FD_RANDOM,
2149         },
2150         { .name = "parse",
2151           .help = "Parser logging",
2152           .shift = FD_PARSE,
2153         },
2154         { .name = "diskutil",
2155           .help = "Disk utility logging actions",
2156           .shift = FD_DISKUTIL,
2157         },
2158         { .name = "job",
2159           .help = "Logging related to creating/destroying jobs",
2160           .shift = FD_JOB,
2161         },
2162         { .name = "mutex",
2163           .help = "Mutex logging",
2164           .shift = FD_MUTEX
2165         },
2166         { .name = "profile",
2167           .help = "Logging related to profiles",
2168           .shift = FD_PROFILE,
2169         },
2170         { .name = "time",
2171           .help = "Logging related to time keeping functions",
2172           .shift = FD_TIME,
2173         },
2174         { .name = "net",
2175           .help = "Network logging",
2176           .shift = FD_NET,
2177         },
2178         { .name = "rate",
2179           .help = "Rate logging",
2180           .shift = FD_RATE,
2181         },
2182         { .name = "compress",
2183           .help = "Log compression logging",
2184           .shift = FD_COMPRESS,
2185         },
2186         { .name = "steadystate",
2187           .help = "Steady state detection logging",
2188           .shift = FD_STEADYSTATE,
2189         },
2190         { .name = NULL, },
2191 };
2192
2193 static int set_debug(const char *string)
2194 {
2195         struct debug_level *dl;
2196         char *p = (char *) string;
2197         char *opt;
2198         int i;
2199
2200         if (!string)
2201                 return 0;
2202
2203         if (!strcmp(string, "?") || !strcmp(string, "help")) {
2204                 log_info("fio: dumping debug options:");
2205                 for (i = 0; debug_levels[i].name; i++) {
2206                         dl = &debug_levels[i];
2207                         log_info("%s,", dl->name);
2208                 }
2209                 log_info("all\n");
2210                 return 1;
2211         }
2212
2213         while ((opt = strsep(&p, ",")) != NULL) {
2214                 int found = 0;
2215
2216                 if (!strncmp(opt, "all", 3)) {
2217                         log_info("fio: set all debug options\n");
2218                         fio_debug = ~0UL;
2219                         continue;
2220                 }
2221
2222                 for (i = 0; debug_levels[i].name; i++) {
2223                         dl = &debug_levels[i];
2224                         found = !strncmp(opt, dl->name, strlen(dl->name));
2225                         if (!found)
2226                                 continue;
2227
2228                         if (dl->shift == FD_JOB) {
2229                                 opt = strchr(opt, ':');
2230                                 if (!opt) {
2231                                         log_err("fio: missing job number\n");
2232                                         break;
2233                                 }
2234                                 opt++;
2235                                 fio_debug_jobno = atoi(opt);
2236                                 log_info("fio: set debug jobno %d\n",
2237                                                         fio_debug_jobno);
2238                         } else {
2239                                 log_info("fio: set debug option %s\n", opt);
2240                                 fio_debug |= (1UL << dl->shift);
2241                         }
2242                         break;
2243                 }
2244
2245                 if (!found)
2246                         log_err("fio: debug mask %s not found\n", opt);
2247         }
2248         return 0;
2249 }
2250 #else
2251 static int set_debug(const char *string)
2252 {
2253         log_err("fio: debug tracing not included in build\n");
2254         return 1;
2255 }
2256 #endif
2257
2258 static void fio_options_fill_optstring(void)
2259 {
2260         char *ostr = cmd_optstr;
2261         int i, c;
2262
2263         c = i = 0;
2264         while (l_opts[i].name) {
2265                 ostr[c++] = l_opts[i].val;
2266                 if (l_opts[i].has_arg == required_argument)
2267                         ostr[c++] = ':';
2268                 else if (l_opts[i].has_arg == optional_argument) {
2269                         ostr[c++] = ':';
2270                         ostr[c++] = ':';
2271                 }
2272                 i++;
2273         }
2274         ostr[c] = '\0';
2275 }
2276
2277 static int client_flag_set(char c)
2278 {
2279         int i;
2280
2281         i = 0;
2282         while (l_opts[i].name) {
2283                 int val = l_opts[i].val;
2284
2285                 if (c == (val & 0xff))
2286                         return (val & FIO_CLIENT_FLAG);
2287
2288                 i++;
2289         }
2290
2291         return 0;
2292 }
2293
2294 static void parse_cmd_client(void *client, char *opt)
2295 {
2296         fio_client_add_cmd_option(client, opt);
2297 }
2298
2299 static void show_closest_option(const char *name)
2300 {
2301         int best_option, best_distance;
2302         int i, distance;
2303
2304         while (*name == '-')
2305                 name++;
2306
2307         best_option = -1;
2308         best_distance = INT_MAX;
2309         i = 0;
2310         while (l_opts[i].name) {
2311                 distance = string_distance(name, l_opts[i].name);
2312                 if (distance < best_distance) {
2313                         best_distance = distance;
2314                         best_option = i;
2315                 }
2316                 i++;
2317         }
2318
2319         if (best_option != -1 && string_distance_ok(name, best_distance))
2320                 log_err("Did you mean %s?\n", l_opts[best_option].name);
2321 }
2322
2323 static int parse_output_format(const char *optarg)
2324 {
2325         char *p, *orig, *opt;
2326         int ret = 0;
2327
2328         p = orig = strdup(optarg);
2329
2330         output_format = 0;
2331
2332         while ((opt = strsep(&p, ",")) != NULL) {
2333                 if (!strcmp(opt, "minimal") ||
2334                     !strcmp(opt, "terse") ||
2335                     !strcmp(opt, "csv"))
2336                         output_format |= FIO_OUTPUT_TERSE;
2337                 else if (!strcmp(opt, "json"))
2338                         output_format |= FIO_OUTPUT_JSON;
2339                 else if (!strcmp(opt, "json+"))
2340                         output_format |= (FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS);
2341                 else if (!strcmp(opt, "normal"))
2342                         output_format |= FIO_OUTPUT_NORMAL;
2343                 else {
2344                         log_err("fio: invalid output format %s\n", opt);
2345                         ret = 1;
2346                         break;
2347                 }
2348         }
2349
2350         free(orig);
2351         return ret;
2352 }
2353
2354 int parse_cmd_line(int argc, char *argv[], int client_type)
2355 {
2356         struct thread_data *td = NULL;
2357         int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
2358         char *ostr = cmd_optstr;
2359         char *pid_file = NULL;
2360         void *cur_client = NULL;
2361         int backend = 0;
2362
2363         /*
2364          * Reset optind handling, since we may call this multiple times
2365          * for the backend.
2366          */
2367         optind = 1;
2368
2369         while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
2370                 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
2371                         parse_cmd_client(cur_client, argv[optind - 1]);
2372                         c &= ~FIO_CLIENT_FLAG;
2373                 }
2374
2375                 switch (c) {
2376                 case 'a':
2377                         smalloc_pool_size = atoi(optarg);
2378                         break;
2379                 case 't':
2380                         if (check_str_time(optarg, &def_timeout, 1)) {
2381                                 log_err("fio: failed parsing time %s\n", optarg);
2382                                 do_exit++;
2383                                 exit_val = 1;
2384                         }
2385                         break;
2386                 case 'l':
2387                         log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n");
2388                         do_exit++;
2389                         exit_val = 1;
2390                         break;
2391                 case 'b':
2392                         write_bw_log = 1;
2393                         break;
2394                 case 'o':
2395                         if (f_out && f_out != stdout)
2396                                 fclose(f_out);
2397
2398                         f_out = fopen(optarg, "w+");
2399                         if (!f_out) {
2400                                 perror("fopen output");
2401                                 exit(1);
2402                         }
2403                         f_err = f_out;
2404                         break;
2405                 case 'm':
2406                         output_format = FIO_OUTPUT_TERSE;
2407                         break;
2408                 case 'F':
2409                         if (parse_output_format(optarg)) {
2410                                 log_err("fio: failed parsing output-format\n");
2411                                 exit_val = 1;
2412                                 do_exit++;
2413                                 break;
2414                         }
2415                         break;
2416                 case 'f':
2417                         output_format |= FIO_OUTPUT_TERSE;
2418                         break;
2419                 case 'h':
2420                         did_arg = 1;
2421                         if (!cur_client) {
2422                                 usage(argv[0]);
2423                                 do_exit++;
2424                         }
2425                         break;
2426                 case 'c':
2427                         did_arg = 1;
2428                         if (!cur_client) {
2429                                 fio_show_option_help(optarg);
2430                                 do_exit++;
2431                         }
2432                         break;
2433                 case 'i':
2434                         did_arg = 1;
2435                         if (!cur_client) {
2436                                 fio_show_ioengine_help(optarg);
2437                                 do_exit++;
2438                         }
2439                         break;
2440                 case 's':
2441                         did_arg = 1;
2442                         dump_cmdline = 1;
2443                         break;
2444                 case 'r':
2445                         read_only = 1;
2446                         break;
2447                 case 'v':
2448                         did_arg = 1;
2449                         if (!cur_client) {
2450                                 log_info("%s\n", fio_version_string);
2451                                 do_exit++;
2452                         }
2453                         break;
2454                 case 'V':
2455                         terse_version = atoi(optarg);
2456                         if (!(terse_version == 2 || terse_version == 3 ||
2457                              terse_version == 4)) {
2458                                 log_err("fio: bad terse version format\n");
2459                                 exit_val = 1;
2460                                 do_exit++;
2461                         }
2462                         break;
2463                 case 'e':
2464                         if (!strcmp("always", optarg))
2465                                 eta_print = FIO_ETA_ALWAYS;
2466                         else if (!strcmp("never", optarg))
2467                                 eta_print = FIO_ETA_NEVER;
2468                         break;
2469                 case 'E': {
2470                         long long t = 0;
2471
2472                         if (check_str_time(optarg, &t, 1)) {
2473                                 log_err("fio: failed parsing eta time %s\n", optarg);
2474                                 exit_val = 1;
2475                                 do_exit++;
2476                         }
2477                         eta_new_line = t / 1000;
2478                         break;
2479                         }
2480                 case 'd':
2481                         if (set_debug(optarg))
2482                                 do_exit++;
2483                         break;
2484                 case 'P':
2485                         did_arg = 1;
2486                         parse_only = 1;
2487                         break;
2488                 case 'x': {
2489                         size_t new_size;
2490
2491                         if (!strcmp(optarg, "global")) {
2492                                 log_err("fio: can't use global as only "
2493                                         "section\n");
2494                                 do_exit++;
2495                                 exit_val = 1;
2496                                 break;
2497                         }
2498                         new_size = (nr_job_sections + 1) * sizeof(char *);
2499                         job_sections = realloc(job_sections, new_size);
2500                         job_sections[nr_job_sections] = strdup(optarg);
2501                         nr_job_sections++;
2502                         break;
2503                         }
2504 #ifdef CONFIG_ZLIB
2505                 case 'X':
2506                         exit_val = iolog_file_inflate(optarg);
2507                         did_arg++;
2508                         do_exit++;
2509                         break;
2510 #endif
2511                 case 'p':
2512                         did_arg = 1;
2513                         if (exec_profile)
2514                                 free(exec_profile);
2515                         exec_profile = strdup(optarg);
2516                         break;
2517                 case FIO_GETOPT_JOB: {
2518                         const char *opt = l_opts[lidx].name;
2519                         char *val = optarg;
2520
2521                         if (!strncmp(opt, "name", 4) && td) {
2522                                 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2523                                 if (ret)
2524                                         goto out_free;
2525                                 td = NULL;
2526                                 did_arg = 1;
2527                         }
2528                         if (!td) {
2529                                 int is_section = !strncmp(opt, "name", 4);
2530                                 int global = 0;
2531
2532                                 if (!is_section || !strncmp(val, "global", 6))
2533                                         global = 1;
2534
2535                                 if (is_section && skip_this_section(val))
2536                                         continue;
2537
2538                                 td = get_new_job(global, &def_thread, 1, NULL);
2539                                 if (!td || ioengine_load(td)) {
2540                                         if (td) {
2541                                                 put_job(td);
2542                                                 td = NULL;
2543                                         }
2544                                         do_exit++;
2545                                         exit_val = 1;
2546                                         break;
2547                                 }
2548                                 fio_options_set_ioengine_opts(l_opts, td);
2549                         }
2550
2551                         if ((!val || !strlen(val)) &&
2552                             l_opts[lidx].has_arg == required_argument) {
2553                                 log_err("fio: option %s requires an argument\n", opt);
2554                                 ret = 1;
2555                         } else
2556                                 ret = fio_cmd_option_parse(td, opt, val);
2557
2558                         if (ret) {
2559                                 if (td) {
2560                                         put_job(td);
2561                                         td = NULL;
2562                                 }
2563                                 do_exit++;
2564                                 exit_val = 1;
2565                         }
2566
2567                         if (!ret && !strcmp(opt, "ioengine")) {
2568                                 free_ioengine(td);
2569                                 if (ioengine_load(td)) {
2570                                         put_job(td);
2571                                         td = NULL;
2572                                         do_exit++;
2573                                         exit_val = 1;
2574                                         break;
2575                                 }
2576                                 fio_options_set_ioengine_opts(l_opts, td);
2577                         }
2578                         break;
2579                 }
2580                 case FIO_GETOPT_IOENGINE: {
2581                         const char *opt = l_opts[lidx].name;
2582                         char *val = optarg;
2583
2584                         if (!td)
2585                                 break;
2586
2587                         ret = fio_cmd_ioengine_option_parse(td, opt, val);
2588                         break;
2589                 }
2590                 case 'w':
2591                         warnings_fatal = 1;
2592                         break;
2593                 case 'j':
2594                         max_jobs = atoi(optarg);
2595                         if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
2596                                 log_err("fio: invalid max jobs: %d\n", max_jobs);
2597                                 do_exit++;
2598                                 exit_val = 1;
2599                         }
2600                         break;
2601                 case 'S':
2602                         did_arg = 1;
2603 #ifndef CONFIG_NO_SHM
2604                         if (nr_clients) {
2605                                 log_err("fio: can't be both client and server\n");
2606                                 do_exit++;
2607                                 exit_val = 1;
2608                                 break;
2609                         }
2610                         if (optarg)
2611                                 fio_server_set_arg(optarg);
2612                         is_backend = 1;
2613                         backend = 1;
2614 #else
2615                         log_err("fio: client/server requires SHM support\n");
2616                         do_exit++;
2617                         exit_val = 1;
2618 #endif
2619                         break;
2620                 case 'D':
2621                         if (pid_file)
2622                                 free(pid_file);
2623                         pid_file = strdup(optarg);
2624                         break;
2625                 case 'I':
2626                         if ((ret = fio_idle_prof_parse_opt(optarg))) {
2627                                 /* exit on error and calibration only */
2628                                 did_arg = 1;
2629                                 do_exit++;
2630                                 if (ret == -1)
2631                                         exit_val = 1;
2632                         }
2633                         break;
2634                 case 'C':
2635                         did_arg = 1;
2636                         if (is_backend) {
2637                                 log_err("fio: can't be both client and server\n");
2638                                 do_exit++;
2639                                 exit_val = 1;
2640                                 break;
2641                         }
2642                         /* if --client parameter contains a pathname */
2643                         if (0 == access(optarg, R_OK)) {
2644                                 /* file contains a list of host addrs or names */
2645                                 char hostaddr[PATH_MAX] = {0};
2646                                 char formatstr[8];
2647                                 FILE * hostf = fopen(optarg, "r");
2648                                 if (!hostf) {
2649                                         log_err("fio: could not open client list file %s for read\n", optarg);
2650                                         do_exit++;
2651                                         exit_val = 1;
2652                                         break;
2653                                 }
2654                                 sprintf(formatstr, "%%%ds", PATH_MAX - 1);
2655                                 /*
2656                                  * read at most PATH_MAX-1 chars from each
2657                                  * record in this file
2658                                  */
2659                                 while (fscanf(hostf, formatstr, hostaddr) == 1) {
2660                                         /* expect EVERY host in file to be valid */
2661                                         if (fio_client_add(&fio_client_ops, hostaddr, &cur_client)) {
2662                                                 log_err("fio: failed adding client %s from file %s\n", hostaddr, optarg);
2663                                                 do_exit++;
2664                                                 exit_val = 1;
2665                                                 break;
2666                                         }
2667                                 }
2668                                 fclose(hostf);
2669                                 break; /* no possibility of job file for "this client only" */
2670                         }
2671                         if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
2672                                 log_err("fio: failed adding client %s\n", optarg);
2673                                 do_exit++;
2674                                 exit_val = 1;
2675                                 break;
2676                         }
2677                         /*
2678                          * If the next argument exists and isn't an option,
2679                          * assume it's a job file for this client only.
2680                          */
2681                         while (optind < argc) {
2682                                 if (!strncmp(argv[optind], "--", 2) ||
2683                                     !strncmp(argv[optind], "-", 1))
2684                                         break;
2685
2686                                 if (fio_client_add_ini_file(cur_client, argv[optind], false))
2687                                         break;
2688                                 optind++;
2689                         }
2690                         break;
2691                 case 'R':
2692                         did_arg = 1;
2693                         if (fio_client_add_ini_file(cur_client, optarg, true)) {
2694                                 do_exit++;
2695                                 exit_val = 1;
2696                         }
2697                         break;
2698                 case 'T':
2699                         did_arg = 1;
2700                         do_exit++;
2701                         exit_val = fio_monotonic_clocktest(1);
2702                         break;
2703                 case 'G':
2704                         did_arg = 1;
2705                         do_exit++;
2706                         exit_val = fio_crctest(optarg);
2707                         break;
2708                 case 'L': {
2709                         long long val;
2710
2711                         if (check_str_time(optarg, &val, 1)) {
2712                                 log_err("fio: failed parsing time %s\n", optarg);
2713                                 do_exit++;
2714                                 exit_val = 1;
2715                                 break;
2716                         }
2717                         status_interval = val / 1000;
2718                         break;
2719                         }
2720                 case 'W':
2721                         if (trigger_file)
2722                                 free(trigger_file);
2723                         trigger_file = strdup(optarg);
2724                         break;
2725                 case 'H':
2726                         if (trigger_cmd)
2727                                 free(trigger_cmd);
2728                         trigger_cmd = strdup(optarg);
2729                         break;
2730                 case 'J':
2731                         if (trigger_remote_cmd)
2732                                 free(trigger_remote_cmd);
2733                         trigger_remote_cmd = strdup(optarg);
2734                         break;
2735                 case 'K':
2736                         if (aux_path)
2737                                 free(aux_path);
2738                         aux_path = strdup(optarg);
2739                         break;
2740                 case 'B':
2741                         if (check_str_time(optarg, &trigger_timeout, 1)) {
2742                                 log_err("fio: failed parsing time %s\n", optarg);
2743                                 do_exit++;
2744                                 exit_val = 1;
2745                         }
2746                         trigger_timeout /= 1000000;
2747                         break;
2748                 case '?':
2749                         log_err("%s: unrecognized option '%s'\n", argv[0],
2750                                                         argv[optind - 1]);
2751                         show_closest_option(argv[optind - 1]);
2752                 default:
2753                         do_exit++;
2754                         exit_val = 1;
2755                         break;
2756                 }
2757                 if (do_exit)
2758                         break;
2759         }
2760
2761         if (do_exit && !(is_backend || nr_clients))
2762                 exit(exit_val);
2763
2764         if (nr_clients && fio_clients_connect())
2765                 exit(1);
2766
2767         if (is_backend && backend)
2768                 return fio_start_server(pid_file);
2769         else if (pid_file)
2770                 free(pid_file);
2771
2772         if (td) {
2773                 if (!ret) {
2774                         ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2775                         if (ret)
2776                                 did_arg = 1;
2777                 }
2778         }
2779
2780         while (!ret && optind < argc) {
2781                 ini_idx++;
2782                 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2783                 ini_file[ini_idx - 1] = strdup(argv[optind]);
2784                 optind++;
2785         }
2786
2787 out_free:
2788         if (pid_file)
2789                 free(pid_file);
2790
2791         return ini_idx;
2792 }
2793
2794 int fio_init_options(void)
2795 {
2796         f_out = stdout;
2797         f_err = stderr;
2798
2799         fio_options_fill_optstring();
2800         fio_options_dup_and_init(l_opts);
2801
2802         atexit(free_shm);
2803
2804         if (fill_def_thread())
2805                 return 1;
2806
2807         return 0;
2808 }
2809
2810 extern int fio_check_options(struct thread_options *);
2811
2812 int parse_options(int argc, char *argv[])
2813 {
2814         const int type = FIO_CLIENT_TYPE_CLI;
2815         int job_files, i;
2816
2817         if (fio_init_options())
2818                 return 1;
2819         if (fio_test_cconv(&def_thread.o))
2820                 log_err("fio: failed internal cconv test\n");
2821
2822         job_files = parse_cmd_line(argc, argv, type);
2823
2824         if (job_files > 0) {
2825                 for (i = 0; i < job_files; i++) {
2826                         if (i && fill_def_thread())
2827                                 return 1;
2828                         if (nr_clients) {
2829                                 if (fio_clients_send_ini(ini_file[i]))
2830                                         return 1;
2831                                 free(ini_file[i]);
2832                         } else if (!is_backend) {
2833                                 if (parse_jobs_ini(ini_file[i], 0, i, type))
2834                                         return 1;
2835                                 free(ini_file[i]);
2836                         }
2837                 }
2838         } else if (nr_clients) {
2839                 if (fill_def_thread())
2840                         return 1;
2841                 if (fio_clients_send_ini(NULL))
2842                         return 1;
2843         }
2844
2845         free(ini_file);
2846         fio_options_free(&def_thread);
2847         filesetup_mem_free();
2848
2849         if (!thread_number) {
2850                 if (parse_dryrun())
2851                         return 0;
2852                 if (exec_profile)
2853                         return 0;
2854                 if (is_backend || nr_clients)
2855                         return 0;
2856                 if (did_arg)
2857                         return 0;
2858
2859                 log_err("No jobs(s) defined\n\n");
2860
2861                 if (!did_arg) {
2862                         usage(argv[0]);
2863                         return 1;
2864                 }
2865
2866                 return 0;
2867         }
2868
2869         if (output_format & FIO_OUTPUT_NORMAL)
2870                 log_info("%s\n", fio_version_string);
2871
2872         return 0;
2873 }
2874
2875 void options_default_fill(struct thread_options *o)
2876 {
2877         memcpy(o, &def_thread.o, sizeof(*o));
2878 }
2879
2880 struct thread_data *get_global_options(void)
2881 {
2882         return &def_thread;
2883 }