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 #ifdef FIO_HAVE_GUASI
 284                           { .ival = "guasi",
 285                             .help = "GUASI IO engine",
 286                           },
 287 #endif
 288                           { .ival = "external",
 289                             .help = "Load external engine (append name)",
 290                           },
 291                 },
 292         },
 293         {
 294                 .name   = "iodepth",
 295                 .type   = FIO_OPT_INT,
 296                 .off1   = td_var_offset(iodepth),
 297                 .help   = "Amount of IO buffers to keep in flight",
 298                 .def    = "1",
 299         },
 300         {
 301                 .name   = "iodepth_batch",
 302                 .type   = FIO_OPT_INT,
 303                 .off1   = td_var_offset(iodepth_batch),
 304                 .help   = "Number of IO to submit in one go",
 305         },
 306         {
 307                 .name   = "iodepth_low",
 308                 .type   = FIO_OPT_INT,
 309                 .off1   = td_var_offset(iodepth_low),
 310                 .help   = "Low water mark for queuing depth",
 311         },
 312         {
 313                 .name   = "size",
 314                 .type   = FIO_OPT_STR_VAL,
 315                 .off1   = td_var_offset(size),
 316                 .help   = "Total size of device or files",
 317         },
 318         {
 319                 .name   = "filesize",
 320                 .type   = FIO_OPT_STR_VAL,
 321                 .off1   = td_var_offset(file_size_low),
 322                 .off2   = td_var_offset(file_size_high),
 323                 .help   = "Size of individual files",
 324         },
 325         {
 326                 .name   = "bs",
 327                 .alias  = "blocksize",
 328                 .type   = FIO_OPT_STR_VAL_INT,
 329                 .off1   = td_var_offset(bs[DDIR_READ]),
 330                 .off2   = td_var_offset(bs[DDIR_WRITE]),
 331                 .help   = "Block size unit",
 332                 .def    = "4k",
 333         },
 334         {
 335                 .name   = "bsrange",
 336                 .alias  = "blocksize_range",
 337                 .type   = FIO_OPT_RANGE,
 338                 .off1   = td_var_offset(min_bs[DDIR_READ]),
 339                 .off2   = td_var_offset(max_bs[DDIR_READ]),
 340                 .off3   = td_var_offset(min_bs[DDIR_WRITE]),
 341                 .off4   = td_var_offset(max_bs[DDIR_WRITE]),
 342                 .help   = "Set block size range (in more detail than bs)",
 343         },
 344         {
 345                 .name   = "bs_unaligned",
 346                 .alias  = "blocksize_unaligned",
 347                 .type   = FIO_OPT_STR_SET,
 348                 .off1   = td_var_offset(bs_unaligned),
 349                 .help   = "Don't sector align IO buffer sizes",
 350         },
 351         {
 352                 .name   = "offset",
 353                 .type   = FIO_OPT_STR_VAL,
 354                 .off1   = td_var_offset(start_offset),
 355                 .help   = "Start IO from this offset",
 356                 .def    = "0",
 357         },
 358         {
 359                 .name   = "randrepeat",
 360                 .type   = FIO_OPT_BOOL,
 361                 .off1   = td_var_offset(rand_repeatable),
 362                 .help   = "Use repeatable random IO pattern",
 363                 .def    = "1",
 364         },
 365         {
 366                 .name   = "norandommap",
 367                 .type   = FIO_OPT_STR_SET,
 368                 .off1   = td_var_offset(norandommap),
 369                 .help   = "Accept potential duplicate random blocks",
 370         },
 371         {
 372                 .name   = "nrfiles",
 373                 .type   = FIO_OPT_INT,
 374                 .off1   = td_var_offset(nr_files),
 375                 .help   = "Split job workload between this number of files",
 376                 .def    = "1",
 377         },
 378         {
 379                 .name   = "openfiles",
 380                 .type   = FIO_OPT_INT,
 381                 .off1   = td_var_offset(open_files),
 382                 .help   = "Number of files to keep open at the same time",
 383         },
 384         {
 385                 .name   = "file_service_type",
 386                 .type   = FIO_OPT_STR,
 387                 .cb     = str_fst_cb,
 388                 .off1   = td_var_offset(file_service_type),
 389                 .help   = "How to select which file to service next",
 390                 .def    = "roundrobin",
 391                 .posval = {
 392                           { .ival = "random",
 393                             .oval = FIO_FSERVICE_RANDOM,
 394                             .help = "Choose a file at random",
 395                           },
 396                           { .ival = "roundrobin",
 397                             .oval = FIO_FSERVICE_RR,
 398                             .help = "Round robin select files",
 399                           },
 400                 },
 401         },
 402         {
 403                 .name   = "fsync",
 404                 .type   = FIO_OPT_INT,
 405                 .off1   = td_var_offset(fsync_blocks),
 406                 .help   = "Issue fsync for writes every given number of blocks",
 407                 .def    = "0",
 408         },
 409         {
 410                 .name   = "direct",
 411                 .type   = FIO_OPT_BOOL,
 412                 .off1   = td_var_offset(odirect),
 413                 .help   = "Use O_DIRECT IO (negates buffered)",
 414                 .def    = "0",
 415         },
 416         {
 417                 .name   = "buffered",
 418                 .type   = FIO_OPT_BOOL,
 419                 .off1   = td_var_offset(odirect),
 420                 .neg    = 1,
 421                 .help   = "Use buffered IO (negates direct)",
 422                 .def    = "1",
 423         },
 424         {
 425                 .name   = "overwrite",
 426                 .type   = FIO_OPT_BOOL,
 427                 .off1   = td_var_offset(overwrite),
 428                 .help   = "When writing, set whether to overwrite current data",
 429                 .def    = "0",
 430         },
 431         {
 432                 .name   = "loops",
 433                 .type   = FIO_OPT_INT,
 434                 .off1   = td_var_offset(loops),
 435                 .help   = "Number of times to run the job",
 436                 .def    = "1",
 437         },
 438         {
 439                 .name   = "numjobs",
 440                 .type   = FIO_OPT_INT,
 441                 .off1   = td_var_offset(numjobs),
 442                 .help   = "Duplicate this job this many times",
 443                 .def    = "1",
 444         },
 445         {
 446                 .name   = "startdelay",
 447                 .type   = FIO_OPT_INT,
 448                 .off1   = td_var_offset(start_delay),
 449                 .help   = "Only start job when this period has passed",
 450                 .def    = "0",
 451         },
 452         {
 453                 .name   = "runtime",
 454                 .alias  = "timeout",
 455                 .type   = FIO_OPT_STR_VAL_TIME,
 456                 .off1   = td_var_offset(timeout),
 457                 .help   = "Stop workload when this amount of time has passed",
 458                 .def    = "0",
 459         },
 460         {
 461                 .name   = "mem",
 462                 .alias  = "iomem",
 463                 .type   = FIO_OPT_STR,
 464                 .cb     = str_mem_cb,
 465                 .off1   = td_var_offset(mem_type),
 466                 .help   = "Backing type for IO buffers",
 467                 .def    = "malloc",
 468                 .posval = {
 469                           { .ival = "malloc",
 470                             .oval = MEM_MALLOC,
 471                             .help = "Use malloc(3) for IO buffers",
 472                           },
 473                           { .ival = "shm",
 474                             .oval = MEM_SHM,
 475                             .help = "Use shared memory segments for IO buffers",
 476                           },
 477 #ifdef FIO_HAVE_HUGETLB
 478                           { .ival = "shmhuge",
 479                             .oval = MEM_SHMHUGE,
 480                             .help = "Like shm, but use huge pages",
 481                           },
 482 #endif
 483                           { .ival = "mmap",
 484                             .oval = MEM_MMAP,
 485                             .help = "Use mmap(2) (file or anon) for IO buffers",
 486                           },
 487 #ifdef FIO_HAVE_HUGETLB
 488                           { .ival = "mmaphuge",
 489                             .oval = MEM_MMAPHUGE,
 490                             .help = "Like mmap, but use huge pages",
 491                           },
 492 #endif
 493                   },
 494         },
 495         {
 496                 .name   = "verify",
 497                 .type   = FIO_OPT_STR,
 498                 .off1   = td_var_offset(verify),
 499                 .help   = "Verify data written",
 500                 .def    = "0",
 501                 .posval = {
 502                           { .ival = "0",
 503                             .oval = VERIFY_NONE,
 504                             .help = "Don't do IO verification",
 505                           },
 506                           { .ival = "crc32",
 507                             .oval = VERIFY_CRC32,
 508                             .help = "Use crc32 checksums for verification",
 509                           },
 510                           { .ival = "md5",
 511                             .oval = VERIFY_MD5,
 512                             .help = "Use md5 checksums for verification",
 513                           },
 514                 },
 515         },
 516         {
 517                 .name   = "write_iolog",
 518                 .type   = FIO_OPT_STR_STORE,
 519                 .off1   = td_var_offset(write_iolog_file),
 520                 .help   = "Store IO pattern to file",
 521         },
 522         {
 523                 .name   = "read_iolog",
 524                 .type   = FIO_OPT_STR_STORE,
 525                 .off1   = td_var_offset(read_iolog_file),
 526                 .help   = "Playback IO pattern from file",
 527         },
 528         {
 529                 .name   = "exec_prerun",
 530                 .type   = FIO_OPT_STR_STORE,
 531                 .off1   = td_var_offset(exec_prerun),
 532                 .help   = "Execute this file prior to running job",
 533         },
 534         {
 535                 .name   = "exec_postrun",
 536                 .type   = FIO_OPT_STR_STORE,
 537                 .off1   = td_var_offset(exec_postrun),
 538                 .help   = "Execute this file after running job",
 539         },
 540 #ifdef FIO_HAVE_IOSCHED_SWITCH
 541         {
 542                 .name   = "ioscheduler",
 543                 .type   = FIO_OPT_STR_STORE,
 544                 .off1   = td_var_offset(ioscheduler),
 545                 .help   = "Use this IO scheduler on the backing device",
 546         },
 547 #endif
 548         {
 549                 .name   = "zonesize",
 550                 .type   = FIO_OPT_STR_VAL,
 551                 .off1   = td_var_offset(zone_size),
 552                 .help   = "Give size of an IO zone",
 553                 .def    = "0",
 554         },
 555         {
 556                 .name   = "zoneskip",
 557                 .type   = FIO_OPT_STR_VAL,
 558                 .off1   = td_var_offset(zone_skip),
 559                 .help   = "Space between IO zones",
 560                 .def    = "0",
 561         },
 562         {
 563                 .name   = "lockmem",
 564                 .type   = FIO_OPT_STR_VAL,
 565                 .cb     = str_lockmem_cb,
 566                 .help   = "Lock down this amount of memory",
 567                 .def    = "0",
 568         },
 569         {
 570                 .name   = "rwmixcycle",
 571                 .type   = FIO_OPT_INT,
 572                 .off1   = td_var_offset(rwmixcycle),
 573                 .help   = "Cycle period for mixed read/write workloads (msec)",
 574                 .def    = "500",
 575         },
 576         {
 577                 .name   = "rwmixread",
 578                 .type   = FIO_OPT_INT,
 579                 .off1   = td_var_offset(rwmixread),
 580                 .maxval = 100,
 581                 .help   = "Percentage of mixed workload that is reads",
 582                 .def    = "50",
 583         },
 584         {
 585                 .name   = "rwmixwrite",
 586                 .type   = FIO_OPT_INT,
 587                 .off1   = td_var_offset(rwmixwrite),
 588                 .maxval = 100,
 589                 .help   = "Percentage of mixed workload that is writes",
 590                 .def    = "50",
 591         },
 592         {
 593                 .name   = "nice",
 594                 .type   = FIO_OPT_INT,
 595                 .off1   = td_var_offset(nice),
 596                 .help   = "Set job CPU nice value",
 597                 .minval = -19,
 598                 .maxval = 20,
 599                 .def    = "0",
 600         },
 601 #ifdef FIO_HAVE_IOPRIO
 602         {
 603                 .name   = "prio",
 604                 .type   = FIO_OPT_INT,
 605                 .cb     = str_prio_cb,
 606                 .help   = "Set job IO priority value",
 607                 .minval = 0,
 608                 .maxval = 7,
 609         },
 610         {
 611                 .name   = "prioclass",
 612                 .type   = FIO_OPT_INT,
 613                 .cb     = str_prioclass_cb,
 614                 .help   = "Set job IO priority class",
 615                 .minval = 0,
 616                 .maxval = 3,
 617         },
 618 #endif
 619         {
 620                 .name   = "thinktime",
 621                 .type   = FIO_OPT_INT,
 622                 .off1   = td_var_offset(thinktime),
 623                 .help   = "Idle time between IO buffers (usec)",
 624                 .def    = "0",
 625         },
 626         {
 627                 .name   = "thinktime_spin",
 628                 .type   = FIO_OPT_INT,
 629                 .off1   = td_var_offset(thinktime_spin),
 630                 .help   = "Start think time by spinning this amount (usec)",
 631                 .def    = "0",
 632         },
 633         {
 634                 .name   = "thinktime_blocks",
 635                 .type   = FIO_OPT_INT,
 636                 .off1   = td_var_offset(thinktime_blocks),
 637                 .help   = "IO buffer period between 'thinktime'",
 638                 .def    = "1",
 639         },
 640         {
 641                 .name   = "rate",
 642                 .type   = FIO_OPT_INT,
 643                 .off1   = td_var_offset(rate),
 644                 .help   = "Set bandwidth rate",
 645         },
 646         {
 647                 .name   = "ratemin",
 648                 .type   = FIO_OPT_INT,
 649                 .off1   = td_var_offset(ratemin),
 650                 .help   = "Job must meet this rate or it will be shutdown",
 651         },
 652         {
 653                 .name   = "rate_iops",
 654                 .type   = FIO_OPT_INT,
 655                 .off1   = td_var_offset(rate_iops),
 656                 .help   = "Limit IO used to this number of IO operations/sec",
 657         },
 658         {
 659                 .name   = "rate_iops_min",
 660                 .type   = FIO_OPT_INT,
 661                 .off1   = td_var_offset(rate_iops_min),
 662                 .help   = "Job must meet this rate or it will be shutdown",
 663         },
 664         {
 665                 .name   = "ratecycle",
 666                 .type   = FIO_OPT_INT,
 667                 .off1   = td_var_offset(ratecycle),
 668                 .help   = "Window average for rate limits (msec)",
 669                 .def    = "1000",
 670         },
 671         {
 672                 .name   = "invalidate",
 673                 .type   = FIO_OPT_BOOL,
 674                 .off1   = td_var_offset(invalidate_cache),
 675                 .help   = "Invalidate buffer/page cache prior to running job",
 676                 .def    = "1",
 677         },
 678         {
 679                 .name   = "sync",
 680                 .type   = FIO_OPT_BOOL,
 681                 .off1   = td_var_offset(sync_io),
 682                 .help   = "Use O_SYNC for buffered writes",
 683                 .def    = "0",
 684         },
 685         {
 686                 .name   = "bwavgtime",
 687                 .type   = FIO_OPT_INT,
 688                 .off1   = td_var_offset(bw_avg_time),
 689                 .help   = "Time window over which to calculate bandwidth (msec)",
 690                 .def    = "500",
 691         },
 692         {
 693                 .name   = "create_serialize",
 694                 .type   = FIO_OPT_BOOL,
 695                 .off1   = td_var_offset(create_serialize),
 696                 .help   = "Serialize creating of job files",
 697                 .def    = "1",
 698         },
 699         {
 700                 .name   = "create_fsync",
 701                 .type   = FIO_OPT_BOOL,
 702                 .off1   = td_var_offset(create_fsync),
 703                 .help   = "Fsync file after creation",
 704                 .def    = "1",
 705         },
 706         {
 707                 .name   = "cpuload",
 708                 .type   = FIO_OPT_INT,
 709                 .off1   = td_var_offset(cpuload),
 710                 .help   = "Use this percentage of CPU",
 711         },
 712         {
 713                 .name   = "cpuchunks",
 714                 .type   = FIO_OPT_INT,
 715                 .off1   = td_var_offset(cpucycle),
 716                 .help   = "Length of the CPU burn cycles (usecs)",
 717                 .def    = "50000",
 718         },
 719 #ifdef FIO_HAVE_CPU_AFFINITY
 720         {
 721                 .name   = "cpumask",
 722                 .type   = FIO_OPT_INT,
 723                 .cb     = str_cpumask_cb,
 724                 .help   = "CPU affinity mask",
 725         },
 726 #endif
 727         {
 728                 .name   = "end_fsync",
 729                 .type   = FIO_OPT_BOOL,
 730                 .off1   = td_var_offset(end_fsync),
 731                 .help   = "Include fsync at the end of job",
 732                 .def    = "0",
 733         },
 734         {
 735                 .name   = "fsync_on_close",
 736                 .type   = FIO_OPT_BOOL,
 737                 .off1   = td_var_offset(fsync_on_close),
 738                 .help   = "fsync files on close",
 739                 .def    = "0",
 740         },
 741         {
 742                 .name   = "unlink",
 743                 .type   = FIO_OPT_BOOL,
 744                 .off1   = td_var_offset(unlink),
 745                 .help   = "Unlink created files after job has completed",
 746                 .def    = "0",
 747         },
 748         {
 749                 .name   = "exitall",
 750                 .type   = FIO_OPT_STR_SET,
 751                 .cb     = str_exitall_cb,
 752                 .help   = "Terminate all jobs when one exits",
 753         },
 754         {
 755                 .name   = "stonewall",
 756                 .type   = FIO_OPT_STR_SET,
 757                 .off1   = td_var_offset(stonewall),
 758                 .help   = "Insert a hard barrier between this job and previous",
 759         },
 760         {
 761                 .name   = "new_group",
 762                 .type   = FIO_OPT_STR_SET,
 763                 .off1   = td_var_offset(new_group),
 764                 .help   = "Mark the start of a new group (for reporting)",
 765         },
 766         {
 767                 .name   = "thread",
 768                 .type   = FIO_OPT_STR_SET,
 769                 .off1   = td_var_offset(use_thread),
 770                 .help   = "Use threads instead of forks",
 771         },
 772         {
 773                 .name   = "write_bw_log",
 774                 .type   = FIO_OPT_STR_SET,
 775                 .off1   = td_var_offset(write_bw_log),
 776                 .help   = "Write log of bandwidth during run",
 777         },
 778         {
 779                 .name   = "write_lat_log",
 780                 .type   = FIO_OPT_STR_SET,
 781                 .off1   = td_var_offset(write_lat_log),
 782                 .help   = "Write log of latency during run",
 783         },
 784         {
 785                 .name   = "hugepage-size",
 786                 .type   = FIO_OPT_STR_VAL,
 787                 .off1   = td_var_offset(hugepage_size),
 788                 .help   = "When using hugepages, specify size of each page",
 789                 .def    = __stringify(FIO_HUGE_PAGE),
 790         },
 791         {
 792                 .name   = "group_reporting",
 793                 .type   = FIO_OPT_STR_SET,
 794                 .off1   = td_var_offset(group_reporting),
 795                 .help   = "Do reporting on a per-group basis",
 796         },
 797         {
 798                 .name = NULL,
 799         },
 800 };
 801
 802 void fio_options_dup_and_init(struct option *long_options)
 803 {
 804         struct fio_option *o;
 805         unsigned int i;
 806
 807         options_init(options);
 808
 809         i = 0;
 810         while (long_options[i].name)
 811                 i++;
 812
 813         o = &options[0];
 814         while (o->name) {
 815                 long_options[i].name = o->name;
 816                 long_options[i].val = FIO_GETOPT_JOB;
 817                 if (o->type == FIO_OPT_STR_SET)
 818                         long_options[i].has_arg = no_argument;
 819                 else
 820                         long_options[i].has_arg = required_argument;
 821
 822                 i++;
 823                 o++;
 824                 assert(i < FIO_NR_OPTIONS);
 825         }
 826 }
 827
 828 int fio_option_parse(struct thread_data *td, const char *opt)
 829 {
 830         return parse_option(opt, options, td);
 831 }
 832
 833 int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
 834 {
 835         return parse_cmd_option(opt, val, options, td);
 836 }
 837
 838 void fio_fill_default_options(struct thread_data *td)
 839 {
 840         fill_default_options(td, options);
 841 }
 842
 843 int fio_show_option_help(const char *opt)
 844 {
 845         return show_cmd_help(options, opt);
 846 }