options.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4 #include <ctype.h>
   5 #include <string.h>
   6 #include <getopt.h>
   7 #include <assert.h>
   8
   9 #include "fio.h"
  10 #include "parse.h"
  11
  12 #define td_var_offset(var)      ((size_t) &((struct thread_options *)0)->var)
  13
  14 /*
  15  * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
  16  */
  17 static char *get_opt_postfix(const char *str)
  18 {
  19         char *p = strstr(str, ":");
  20
  21         if (!p)
  22                 return NULL;
  23
  24         p++;
  25         strip_blank_front(&p);
  26         strip_blank_end(p);
  27         return strdup(p);
  28 }
  29
  30 static int str_mem_cb(void *data, const char *mem)
  31 {
  32         struct thread_data *td = data;
  33
  34         if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) {
  35                 td->mmapfile = get_opt_postfix(mem);
  36                 if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) {
  37                         log_err("fio: mmaphuge:/path/to/file\n");
  38                         return 1;
  39                 }
  40         }
  41
  42         return 0;
  43 }
  44
  45 static int str_lockmem_cb(void fio_unused *data, unsigned long *val)
  46 {
  47         mlock_size = *val;
  48         return 0;
  49 }
  50
  51 #ifdef FIO_HAVE_IOPRIO
  52 static int str_prioclass_cb(void *data, unsigned int *val)
  53 {
  54         struct thread_data *td = data;
  55
  56         td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
  57         return 0;
  58 }
  59
  60 static int str_prio_cb(void *data, unsigned int *val)
  61 {
  62         struct thread_data *td = data;
  63
  64         td->ioprio |= *val;
  65         return 0;
  66 }
  67 #endif
  68
  69 static int str_exitall_cb(void)
  70 {
  71         exitall_on_terminate = 1;
  72         return 0;
  73 }
  74
  75 static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu)
  76 {
  77 #ifdef FIO_HAVE_CPU_AFFINITY
  78         unsigned int i;
  79
  80         CPU_ZERO(&cpumask);
  81
  82         for (i = 0; i < sizeof(int) * 8; i++) {
  83                 if ((1 << i) & cpu)
  84                         CPU_SET(i, &cpumask);
  85         }
  86 #endif
  87 }
  88
  89 static int str_cpumask_cb(void *data, unsigned int *val)
  90 {
  91         struct thread_data *td = data;
  92
  93         fill_cpu_mask(td->o.cpumask, *val);
  94         return 0;
  95 }
  96
  97 static int str_fst_cb(void *data, const char *str)
  98 {
  99         struct thread_data *td = data;
 100         char *nr = get_opt_postfix(str);
 101
 102         td->file_service_nr = 1;
 103         if (nr)
 104                 td->file_service_nr = atoi(nr);
 105
 106         return 0;
 107 }
 108
 109 static int str_filename_cb(void *data, const char *input)
 110 {
 111         struct thread_data *td = data;
 112         char *fname, *str, *p;
 113
 114         p = str = strdup(input);
 115
 116         strip_blank_front(&str);
 117         strip_blank_end(str);
 118
 119         if (!td->files_index)
 120                 td->o.nr_files = 0;
 121
 122         while ((fname = strsep(&str, ":")) != NULL) {
 123                 if (!strlen(fname))
 124                         break;
 125                 add_file(td, fname);
 126                 td->o.nr_files++;
 127         }
 128
 129         free(p);
 130         return 0;
 131 }
 132
 133 static int str_directory_cb(void *data, const char fio_unused *str)
 134 {
 135         struct thread_data *td = data;
 136         struct stat sb;
 137
 138         if (lstat(td->o.directory, &sb) < 0) {
 139                 log_err("fio: %s is not a directory\n", td->o.directory);
 140                 td_verror(td, errno, "lstat");
 141                 return 1;
 142         }
 143         if (!S_ISDIR(sb.st_mode)) {
 144                 log_err("fio: %s is not a directory\n", td->o.directory);
 145                 return 1;
 146         }
 147
 148         return 0;
 149 }
 150
 151 static int str_opendir_cb(void *data, const char fio_unused *str)
 152 {
 153         struct thread_data *td = data;
 154
 155         if (!td->files_index)
 156                 td->o.nr_files = 0;
 157
 158         return add_dir_files(td, td->o.opendir);
 159 }
 160
 161
 162 #define __stringify_1(x)        #x
 163 #define __stringify(x)          __stringify_1(x)
 164
 165 /*
 166  * Map of job/command line options
 167  */
 168 static struct fio_option options[] = {
 169         {
 170                 .name   = "description",
 171                 .type   = FIO_OPT_STR_STORE,
 172                 .off1   = td_var_offset(description),
 173                 .help   = "Text job description",
 174         },
 175         {
 176                 .name   = "name",
 177                 .type   = FIO_OPT_STR_STORE,
 178                 .off1   = td_var_offset(name),
 179                 .help   = "Name of this job",
 180         },
 181         {
 182                 .name   = "directory",
 183                 .type   = FIO_OPT_STR_STORE,
 184                 .off1   = td_var_offset(directory),
 185                 .cb     = str_directory_cb,
 186                 .help   = "Directory to store files in",
 187         },
 188         {
 189                 .name   = "filename",
 190                 .type   = FIO_OPT_STR_STORE,
 191                 .off1   = td_var_offset(filename),
 192                 .cb     = str_filename_cb,
 193                 .help   = "File(s) to use for the workload",
 194         },
 195         {
 196                 .name   = "opendir",
 197                 .type   = FIO_OPT_STR_STORE,
 198                 .off1   = td_var_offset(opendir),
 199                 .cb     = str_opendir_cb,
 200                 .help   = "Recursively add files from this directory and down",
 201         },
 202         {
 203                 .name   = "rw",
 204                 .alias  = "readwrite",
 205                 .type   = FIO_OPT_STR,
 206                 .off1   = td_var_offset(td_ddir),
 207                 .help   = "IO direction",
 208                 .def    = "read",
 209                 .posval = {
 210                           { .ival = "read",
 211                             .oval = TD_DDIR_READ,
 212                             .help = "Sequential read",
 213                           },
 214                           { .ival = "write",
 215                             .oval = TD_DDIR_WRITE,
 216                             .help = "Sequential write",
 217                           },
 218                           { .ival = "randread",
 219                             .oval = TD_DDIR_RANDREAD,
 220                             .help = "Random read",
 221                           },
 222                           { .ival = "randwrite",
 223                             .oval = TD_DDIR_RANDWRITE,
 224                             .help = "Random write",
 225                           },
 226                           { .ival = "rw",
 227                             .oval = TD_DDIR_RW,
 228                             .help = "Sequential read and write mix",
 229                           },
 230                           { .ival = "randrw",
 231                             .oval = TD_DDIR_RANDRW,
 232                             .help = "Random read and write mix"
 233                           },
 234                 },
 235         },
 236         {
 237                 .name   = "ioengine",
 238                 .type   = FIO_OPT_STR_STORE,
 239                 .off1   = td_var_offset(ioengine),
 240                 .help   = "IO engine to use",
 241                 .def    = "sync",
 242                 .posval = {
 243                           { .ival = "sync",
 244                             .help = "Use read/write",
 245                           },
 246 #ifdef FIO_HAVE_LIBAIO
 247                           { .ival = "libaio",
 248                             .help = "Linux native asynchronous IO",
 249                           },
 250 #endif
 251 #ifdef FIO_HAVE_POSIXAIO
 252                           { .ival = "posixaio",
 253                             .help = "POSIX asynchronous IO",
 254                           },
 255 #endif
 256                           { .ival = "mmap",
 257                             .help = "Memory mapped IO",
 258                           },
 259 #ifdef FIO_HAVE_SPLICE
 260                           { .ival = "splice",
 261                             .help = "splice/vmsplice based IO",
 262                           },
 263 #endif
 264 #ifdef FIO_HAVE_SGIO
 265                           { .ival = "sg",
 266                             .help = "SCSI generic v3 IO",
 267                           },
 268 #endif
 269                           { .ival = "null",
 270                             .help = "Testing engine (no data transfer)",
 271                           },
 272                           { .ival = "net",
 273                             .help = "Network IO",
 274                           },
 275 #ifdef FIO_HAVE_SYSLET
 276                           { .ival = "syslet-rw",
 277                             .help = "syslet enabled async pread/pwrite IO",
 278                           },
 279 #endif
 280                           { .ival = "cpuio",
 281                             .help = "CPU cycler burner engine",
 282                           },
 283                           { .ival = "external",
 284                             .help = "Load external engine (append name)",
 285                           },
 286                 },
 287         },
 288         {
 289                 .name   = "iodepth",
 290                 .type   = FIO_OPT_INT,
 291                 .off1   = td_var_offset(iodepth),
 292                 .help   = "Amount of IO buffers to keep in flight",
 293                 .def    = "1",
 294         },
 295         {
 296                 .name   = "iodepth_batch",
 297                 .type   = FIO_OPT_INT,
 298                 .off1   = td_var_offset(iodepth_batch),
 299                 .help   = "Number of IO to submit in one go",
 300         },
 301         {
 302                 .name   = "iodepth_low",
 303                 .type   = FIO_OPT_INT,
 304                 .off1   = td_var_offset(iodepth_low),
 305                 .help   = "Low water mark for queuing depth",
 306         },
 307         {
 308                 .name   = "size",
 309                 .type   = FIO_OPT_STR_VAL,
 310                 .off1   = td_var_offset(size),
 311                 .help   = "Total size of device or files",
 312         },
 313         {
 314                 .name   = "filesize",
 315                 .type   = FIO_OPT_STR_VAL,
 316                 .off1   = td_var_offset(file_size_low),
 317                 .off2   = td_var_offset(file_size_high),
 318                 .help   = "Size of individual files",
 319         },
 320         {
 321                 .name   = "bs",
 322                 .alias  = "blocksize",
 323                 .type   = FIO_OPT_STR_VAL_INT,
 324                 .off1   = td_var_offset(bs[DDIR_READ]),
 325                 .off2   = td_var_offset(bs[DDIR_WRITE]),
 326                 .help   = "Block size unit",
 327                 .def    = "4k",
 328         },
 329         {
 330                 .name   = "bsrange",
 331                 .alias  = "blocksize_range",
 332                 .type   = FIO_OPT_RANGE,
 333                 .off1   = td_var_offset(min_bs[DDIR_READ]),
 334                 .off2   = td_var_offset(max_bs[DDIR_READ]),
 335                 .off3   = td_var_offset(min_bs[DDIR_WRITE]),
 336                 .off4   = td_var_offset(max_bs[DDIR_WRITE]),
 337                 .help   = "Set block size range (in more detail than bs)",
 338         },
 339         {
 340                 .name   = "bs_unaligned",
 341                 .alias  = "blocksize_unaligned",
 342                 .type   = FIO_OPT_STR_SET,
 343                 .off1   = td_var_offset(bs_unaligned),
 344                 .help   = "Don't sector align IO buffer sizes",
 345         },
 346         {
 347                 .name   = "offset",
 348                 .type   = FIO_OPT_STR_VAL,
 349                 .off1   = td_var_offset(start_offset),
 350                 .help   = "Start IO from this offset",
 351                 .def    = "0",
 352         },
 353         {
 354                 .name   = "randrepeat",
 355                 .type   = FIO_OPT_BOOL,
 356                 .off1   = td_var_offset(rand_repeatable),
 357                 .help   = "Use repeatable random IO pattern",
 358                 .def    = "1",
 359         },
 360         {
 361                 .name   = "norandommap",
 362                 .type   = FIO_OPT_STR_SET,
 363                 .off1   = td_var_offset(norandommap),
 364                 .help   = "Accept potential duplicate random blocks",
 365         },
 366         {
 367                 .name   = "nrfiles",
 368                 .type   = FIO_OPT_INT,
 369                 .off1   = td_var_offset(nr_files),
 370                 .help   = "Split job workload between this number of files",
 371                 .def    = "1",
 372         },
 373         {
 374                 .name   = "openfiles",
 375                 .type   = FIO_OPT_INT,
 376                 .off1   = td_var_offset(open_files),
 377                 .help   = "Number of files to keep open at the same time",
 378         },
 379         {
 380                 .name   = "file_service_type",
 381                 .type   = FIO_OPT_STR,
 382                 .cb     = str_fst_cb,
 383                 .off1   = td_var_offset(file_service_type),
 384                 .help   = "How to select which file to service next",
 385                 .def    = "roundrobin",
 386                 .posval = {
 387                           { .ival = "random",
 388                             .oval = FIO_FSERVICE_RANDOM,
 389                             .help = "Choose a file at random",
 390                           },
 391                           { .ival = "roundrobin",
 392                             .oval = FIO_FSERVICE_RR,
 393                             .help = "Round robin select files",
 394                           },
 395                 },
 396         },
 397         {
 398                 .name   = "fsync",
 399                 .type   = FIO_OPT_INT,
 400                 .off1   = td_var_offset(fsync_blocks),
 401                 .help   = "Issue fsync for writes every given number of blocks",
 402                 .def    = "0",
 403         },
 404         {
 405                 .name   = "direct",
 406                 .type   = FIO_OPT_BOOL,
 407                 .off1   = td_var_offset(odirect),
 408                 .help   = "Use O_DIRECT IO (negates buffered)",
 409                 .def    = "0",
 410         },
 411         {
 412                 .name   = "buffered",
 413                 .type   = FIO_OPT_BOOL,
 414                 .off1   = td_var_offset(odirect),
 415                 .neg    = 1,
 416                 .help   = "Use buffered IO (negates direct)",
 417                 .def    = "1",
 418         },
 419         {
 420                 .name   = "overwrite",
 421                 .type   = FIO_OPT_BOOL,
 422                 .off1   = td_var_offset(overwrite),
 423                 .help   = "When writing, set whether to overwrite current data",
 424                 .def    = "0",
 425         },
 426         {
 427                 .name   = "loops",
 428                 .type   = FIO_OPT_INT,
 429                 .off1   = td_var_offset(loops),
 430                 .help   = "Number of times to run the job",
 431                 .def    = "1",
 432         },
 433         {
 434                 .name   = "numjobs",
 435                 .type   = FIO_OPT_INT,
 436                 .off1   = td_var_offset(numjobs),
 437                 .help   = "Duplicate this job this many times",
 438                 .def    = "1",
 439         },
 440         {
 441                 .name   = "startdelay",
 442                 .type   = FIO_OPT_INT,
 443                 .off1   = td_var_offset(start_delay),
 444                 .help   = "Only start job when this period has passed",
 445                 .def    = "0",
 446         },
 447         {
 448                 .name   = "runtime",
 449                 .alias  = "timeout",
 450                 .type   = FIO_OPT_STR_VAL_TIME,
 451                 .off1   = td_var_offset(timeout),
 452                 .help   = "Stop workload when this amount of time has passed",
 453                 .def    = "0",
 454         },
 455         {
 456                 .name   = "mem",
 457                 .alias  = "iomem",
 458                 .type   = FIO_OPT_STR,
 459                 .cb     = str_mem_cb,
 460                 .off1   = td_var_offset(mem_type),
 461                 .help   = "Backing type for IO buffers",
 462                 .def    = "malloc",
 463                 .posval = {
 464                           { .ival = "malloc",
 465                             .oval = MEM_MALLOC,
 466                             .help = "Use malloc(3) for IO buffers",
 467                           },
 468                           { .ival = "shm",
 469                             .oval = MEM_SHM,
 470                             .help = "Use shared memory segments for IO buffers",
 471                           },
 472 #ifdef FIO_HAVE_HUGETLB
 473                           { .ival = "shmhuge",
 474                             .oval = MEM_SHMHUGE,
 475                             .help = "Like shm, but use huge pages",
 476                           },
 477 #endif
 478                           { .ival = "mmap",
 479                             .oval = MEM_MMAP,
 480                             .help = "Use mmap(2) (file or anon) for IO buffers",
 481                           },
 482 #ifdef FIO_HAVE_HUGETLB
 483                           { .ival = "mmaphuge",
 484                             .oval = MEM_MMAPHUGE,
 485                             .help = "Like mmap, but use huge pages",
 486                           },
 487 #endif
 488                   },
 489         },
 490         {
 491                 .name   = "verify",
 492                 .type   = FIO_OPT_STR,
 493                 .off1   = td_var_offset(verify),
 494                 .help   = "Verify data written",
 495                 .def    = "0",
 496                 .posval = {
 497                           { .ival = "0",
 498                             .oval = VERIFY_NONE,
 499                             .help = "Don't do IO verification",
 500                           },
 501                           { .ival = "crc32",
 502                             .oval = VERIFY_CRC32,
 503                             .help = "Use crc32 checksums for verification",
 504                           },
 505                           { .ival = "md5",
 506                             .oval = VERIFY_MD5,
 507                             .help = "Use md5 checksums for verification",
 508                           },
 509                 },
 510         },
 511         {
 512                 .name   = "write_iolog",
 513                 .type   = FIO_OPT_STR_STORE,
 514                 .off1   = td_var_offset(write_iolog_file),
 515                 .help   = "Store IO pattern to file",
 516         },
 517         {
 518                 .name   = "read_iolog",
 519                 .type   = FIO_OPT_STR_STORE,
 520                 .off1   = td_var_offset(read_iolog_file),
 521                 .help   = "Playback IO pattern from file",
 522         },
 523         {
 524                 .name   = "exec_prerun",
 525                 .type   = FIO_OPT_STR_STORE,
 526                 .off1   = td_var_offset(exec_prerun),
 527                 .help   = "Execute this file prior to running job",
 528         },
 529         {
 530                 .name   = "exec_postrun",
 531                 .type   = FIO_OPT_STR_STORE,
 532                 .off1   = td_var_offset(exec_postrun),
 533                 .help   = "Execute this file after running job",
 534         },
 535 #ifdef FIO_HAVE_IOSCHED_SWITCH
 536         {
 537                 .name   = "ioscheduler",
 538                 .type   = FIO_OPT_STR_STORE,
 539                 .off1   = td_var_offset(ioscheduler),
 540                 .help   = "Use this IO scheduler on the backing device",
 541         },
 542 #endif
 543         {
 544                 .name   = "zonesize",
 545                 .type   = FIO_OPT_STR_VAL,
 546                 .off1   = td_var_offset(zone_size),
 547                 .help   = "Give size of an IO zone",
 548                 .def    = "0",
 549         },
 550         {
 551                 .name   = "zoneskip",
 552                 .type   = FIO_OPT_STR_VAL,
 553                 .off1   = td_var_offset(zone_skip),
 554                 .help   = "Space between IO zones",
 555                 .def    = "0",
 556         },
 557         {
 558                 .name   = "lockmem",
 559                 .type   = FIO_OPT_STR_VAL,
 560                 .cb     = str_lockmem_cb,
 561                 .help   = "Lock down this amount of memory",
 562                 .def    = "0",
 563         },
 564         {
 565                 .name   = "rwmixcycle",
 566                 .type   = FIO_OPT_INT,
 567                 .off1   = td_var_offset(rwmixcycle),
 568                 .help   = "Cycle period for mixed read/write workloads (msec)",
 569                 .def    = "500",
 570         },
 571         {
 572                 .name   = "rwmixread",
 573                 .type   = FIO_OPT_INT,
 574                 .off1   = td_var_offset(rwmixread),
 575                 .maxval = 100,
 576                 .help   = "Percentage of mixed workload that is reads",
 577                 .def    = "50",
 578         },
 579         {
 580                 .name   = "rwmixwrite",
 581                 .type   = FIO_OPT_INT,
 582                 .off1   = td_var_offset(rwmixwrite),
 583                 .maxval = 100,
 584                 .help   = "Percentage of mixed workload that is writes",
 585                 .def    = "50",
 586         },
 587         {
 588                 .name   = "nice",
 589                 .type   = FIO_OPT_INT,
 590                 .off1   = td_var_offset(nice),
 591                 .help   = "Set job CPU nice value",
 592                 .minval = -19,
 593                 .maxval = 20,
 594                 .def    = "0",
 595         },
 596 #ifdef FIO_HAVE_IOPRIO
 597         {
 598                 .name   = "prio",
 599                 .type   = FIO_OPT_INT,
 600                 .cb     = str_prio_cb,
 601                 .help   = "Set job IO priority value",
 602                 .minval = 0,
 603                 .maxval = 7,
 604         },
 605         {
 606                 .name   = "prioclass",
 607                 .type   = FIO_OPT_INT,
 608                 .cb     = str_prioclass_cb,
 609                 .help   = "Set job IO priority class",
 610                 .minval = 0,
 611                 .maxval = 3,
 612         },
 613 #endif
 614         {
 615                 .name   = "thinktime",
 616                 .type   = FIO_OPT_INT,
 617                 .off1   = td_var_offset(thinktime),
 618                 .help   = "Idle time between IO buffers (usec)",
 619                 .def    = "0",
 620         },
 621         {
 622                 .name   = "thinktime_spin",
 623                 .type   = FIO_OPT_INT,
 624                 .off1   = td_var_offset(thinktime_spin),
 625                 .help   = "Start think time by spinning this amount (usec)",
 626                 .def    = "0",
 627         },
 628         {
 629                 .name   = "thinktime_blocks",
 630                 .type   = FIO_OPT_INT,
 631                 .off1   = td_var_offset(thinktime_blocks),
 632                 .help   = "IO buffer period between 'thinktime'",
 633                 .def    = "1",
 634         },
 635         {
 636                 .name   = "rate",
 637                 .type   = FIO_OPT_INT,
 638                 .off1   = td_var_offset(rate),
 639                 .help   = "Set bandwidth rate",
 640         },
 641         {
 642                 .name   = "ratemin",
 643                 .type   = FIO_OPT_INT,
 644                 .off1   = td_var_offset(ratemin),
 645                 .help   = "Job must meet this rate or it will be shutdown",
 646         },
 647         {
 648                 .name   = "rate_iops",
 649                 .type   = FIO_OPT_INT,
 650                 .off1   = td_var_offset(rate_iops),
 651                 .help   = "Limit IO used to this number of IO operations/sec",
 652         },
 653         {
 654                 .name   = "rate_iops_min",
 655                 .type   = FIO_OPT_INT,
 656                 .off1   = td_var_offset(rate_iops_min),
 657                 .help   = "Job must meet this rate or it will be shutdown",
 658         },
 659         {
 660                 .name   = "ratecycle",
 661                 .type   = FIO_OPT_INT,
 662                 .off1   = td_var_offset(ratecycle),
 663                 .help   = "Window average for rate limits (msec)",
 664                 .def    = "1000",
 665         },
 666         {
 667                 .name   = "invalidate",
 668                 .type   = FIO_OPT_BOOL,
 669                 .off1   = td_var_offset(invalidate_cache),
 670                 .help   = "Invalidate buffer/page cache prior to running job",
 671                 .def    = "1",
 672         },
 673         {
 674                 .name   = "sync",
 675                 .type   = FIO_OPT_BOOL,
 676                 .off1   = td_var_offset(sync_io),
 677                 .help   = "Use O_SYNC for buffered writes",
 678                 .def    = "0",
 679         },
 680         {
 681                 .name   = "bwavgtime",
 682                 .type   = FIO_OPT_INT,
 683                 .off1   = td_var_offset(bw_avg_time),
 684                 .help   = "Time window over which to calculate bandwidth (msec)",
 685                 .def    = "500",
 686         },
 687         {
 688                 .name   = "create_serialize",
 689                 .type   = FIO_OPT_BOOL,
 690                 .off1   = td_var_offset(create_serialize),
 691                 .help   = "Serialize creating of job files",
 692                 .def    = "1",
 693         },
 694         {
 695                 .name   = "create_fsync",
 696                 .type   = FIO_OPT_BOOL,
 697                 .off1   = td_var_offset(create_fsync),
 698                 .help   = "Fsync file after creation",
 699                 .def    = "1",
 700         },
 701         {
 702                 .name   = "cpuload",
 703                 .type   = FIO_OPT_INT,
 704                 .off1   = td_var_offset(cpuload),
 705                 .help   = "Use this percentage of CPU",
 706         },
 707         {
 708                 .name   = "cpuchunks",
 709                 .type   = FIO_OPT_INT,
 710                 .off1   = td_var_offset(cpucycle),
 711                 .help   = "Length of the CPU burn cycles (usecs)",
 712                 .def    = "50000",
 713         },
 714 #ifdef FIO_HAVE_CPU_AFFINITY
 715         {
 716                 .name   = "cpumask",
 717                 .type   = FIO_OPT_INT,
 718                 .cb     = str_cpumask_cb,
 719                 .help   = "CPU affinity mask",
 720         },
 721 #endif
 722         {
 723                 .name   = "end_fsync",
 724                 .type   = FIO_OPT_BOOL,
 725                 .off1   = td_var_offset(end_fsync),
 726                 .help   = "Include fsync at the end of job",
 727                 .def    = "0",
 728         },
 729         {
 730                 .name   = "fsync_on_close",
 731                 .type   = FIO_OPT_BOOL,
 732                 .off1   = td_var_offset(fsync_on_close),
 733                 .help   = "fsync files on close",
 734                 .def    = "0",
 735         },
 736         {
 737                 .name   = "unlink",
 738                 .type   = FIO_OPT_BOOL,
 739                 .off1   = td_var_offset(unlink),
 740                 .help   = "Unlink created files after job has completed",
 741                 .def    = "0",
 742         },
 743         {
 744                 .name   = "exitall",
 745                 .type   = FIO_OPT_STR_SET,
 746                 .cb     = str_exitall_cb,
 747                 .help   = "Terminate all jobs when one exits",
 748         },
 749         {
 750                 .name   = "stonewall",
 751                 .type   = FIO_OPT_STR_SET,
 752                 .off1   = td_var_offset(stonewall),
 753                 .help   = "Insert a hard barrier between this job and previous",
 754         },
 755         {
 756                 .name   = "new_group",
 757                 .type   = FIO_OPT_STR_SET,
 758                 .off1   = td_var_offset(new_group),
 759                 .help   = "Mark the start of a new group (for reporting)",
 760         },
 761         {
 762                 .name   = "thread",
 763                 .type   = FIO_OPT_STR_SET,
 764                 .off1   = td_var_offset(use_thread),
 765                 .help   = "Use threads instead of forks",
 766         },
 767         {
 768                 .name   = "write_bw_log",
 769                 .type   = FIO_OPT_STR_SET,
 770                 .off1   = td_var_offset(write_bw_log),
 771                 .help   = "Write log of bandwidth during run",
 772         },
 773         {
 774                 .name   = "write_lat_log",
 775                 .type   = FIO_OPT_STR_SET,
 776                 .off1   = td_var_offset(write_lat_log),
 777                 .help   = "Write log of latency during run",
 778         },
 779         {
 780                 .name   = "hugepage-size",
 781                 .type   = FIO_OPT_STR_VAL,
 782                 .off1   = td_var_offset(hugepage_size),
 783                 .help   = "When using hugepages, specify size of each page",
 784                 .def    = __stringify(FIO_HUGE_PAGE),
 785         },
 786         {
 787                 .name   = "group_reporting",
 788                 .type   = FIO_OPT_STR_SET,
 789                 .off1   = td_var_offset(group_reporting),
 790                 .help   = "Do reporting on a per-group basis",
 791         },
 792         {
 793                 .name = NULL,
 794         },
 795 };
 796
 797 void fio_options_dup_and_init(struct option *long_options)
 798 {
 799         struct fio_option *o;
 800         unsigned int i;
 801
 802         options_init(options);
 803
 804         i = 0;
 805         while (long_options[i].name)
 806                 i++;
 807
 808         o = &options[0];
 809         while (o->name) {
 810                 long_options[i].name = o->name;
 811                 long_options[i].val = FIO_GETOPT_JOB;
 812                 if (o->type == FIO_OPT_STR_SET)
 813                         long_options[i].has_arg = no_argument;
 814                 else
 815                         long_options[i].has_arg = required_argument;
 816
 817                 i++;
 818                 o++;
 819                 assert(i < FIO_NR_OPTIONS);
 820         }
 821 }
 822
 823 int fio_option_parse(struct thread_data *td, const char *opt)
 824 {
 825         return parse_option(opt, options, td);
 826 }
 827
 828 int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
 829 {
 830         return parse_cmd_option(opt, val, options, td);
 831 }
 832
 833 void fio_fill_default_options(struct thread_data *td)
 834 {
 835         fill_default_options(td, options);
 836 }
 837
 838 int fio_show_option_help(const char *opt)
 839 {
 840         return show_cmd_help(options, opt);
 841 }