init.c revision f6e7d776d102b98702382cad02602235a2491e71
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/shm.h> 13#include <sys/types.h> 14#include <sys/stat.h> 15 16#include "fio.h" 17#include "parse.h" 18#include "smalloc.h" 19#include "filehash.h" 20#include "verify.h" 21#include "profile.h" 22#include "server.h" 23 24#include "lib/getopt.h" 25 26#include "fio_version.h" 27 28#if FIO_PATCH > 0 29const char fio_version_string[] = __fio_stringify(FIO_MAJOR) "." \ 30 __fio_stringify(FIO_MINOR) "." \ 31 __fio_stringify(FIO_PATCH); 32#else 33const char fio_version_string[] = __fio_stringify(FIO_MAJOR) "." \ 34 __fio_stringify(FIO_MINOR); 35#endif 36 37#define FIO_RANDSEED (0xb1899bedUL) 38 39static char **ini_file; 40static int max_jobs = FIO_MAX_JOBS; 41static int dump_cmdline; 42static int def_timeout; 43 44static struct thread_data def_thread; 45struct thread_data *threads = NULL; 46 47int exitall_on_terminate = 0; 48int terse_output = 0; 49int eta_print; 50unsigned long long mlock_size = 0; 51FILE *f_out = NULL; 52FILE *f_err = NULL; 53char **job_sections = NULL; 54int nr_job_sections = 0; 55char *exec_profile = NULL; 56int warnings_fatal = 0; 57int terse_version = 3; 58int is_backend = 0; 59int nr_clients = 0; 60int log_syslog = 0; 61 62int write_bw_log = 0; 63int read_only = 0; 64 65static int write_lat_log; 66 67static int prev_group_jobs; 68 69unsigned long fio_debug = 0; 70unsigned int fio_debug_jobno = -1; 71unsigned int *fio_debug_jobp = NULL; 72 73static char cmd_optstr[256]; 74static int did_arg; 75 76const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN] = { 77 { .u.f = 1.00 }, 78 { .u.f = 5.00 }, 79 { .u.f = 10.00 }, 80 { .u.f = 20.00 }, 81 { .u.f = 30.00 }, 82 { .u.f = 40.00 }, 83 { .u.f = 50.00 }, 84 { .u.f = 60.00 }, 85 { .u.f = 70.00 }, 86 { .u.f = 80.00 }, 87 { .u.f = 90.00 }, 88 { .u.f = 95.00 }, 89 { .u.f = 99.00 }, 90 { .u.f = 99.50 }, 91 { .u.f = 99.90 }, 92 { .u.f = 99.95 }, 93 { .u.f = 99.99 }, 94}; 95 96#define FIO_CLIENT_FLAG (1 << 16) 97 98/* 99 * Command line options. These will contain the above, plus a few 100 * extra that only pertain to fio itself and not jobs. 101 */ 102static struct option l_opts[FIO_NR_OPTIONS] = { 103 { 104 .name = (char *) "output", 105 .has_arg = required_argument, 106 .val = 'o' | FIO_CLIENT_FLAG, 107 }, 108 { 109 .name = (char *) "timeout", 110 .has_arg = required_argument, 111 .val = 't' | FIO_CLIENT_FLAG, 112 }, 113 { 114 .name = (char *) "latency-log", 115 .has_arg = required_argument, 116 .val = 'l' | FIO_CLIENT_FLAG, 117 }, 118 { 119 .name = (char *) "bandwidth-log", 120 .has_arg = required_argument, 121 .val = 'b' | FIO_CLIENT_FLAG, 122 }, 123 { 124 .name = (char *) "minimal", 125 .has_arg = optional_argument, 126 .val = 'm' | FIO_CLIENT_FLAG, 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 *) "debug", 165 .has_arg = required_argument, 166 .val = 'd' | FIO_CLIENT_FLAG, 167 }, 168 { 169 .name = (char *) "section", 170 .has_arg = required_argument, 171 .val = 'x' | FIO_CLIENT_FLAG, 172 }, 173 { 174 .name = (char *) "alloc-size", 175 .has_arg = required_argument, 176 .val = 'a' | FIO_CLIENT_FLAG, 177 }, 178 { 179 .name = (char *) "profile", 180 .has_arg = required_argument, 181 .val = 'p' | FIO_CLIENT_FLAG, 182 }, 183 { 184 .name = (char *) "warnings-fatal", 185 .has_arg = no_argument, 186 .val = 'w' | FIO_CLIENT_FLAG, 187 }, 188 { 189 .name = (char *) "max-jobs", 190 .has_arg = required_argument, 191 .val = 'j' | FIO_CLIENT_FLAG, 192 }, 193 { 194 .name = (char *) "terse-version", 195 .has_arg = required_argument, 196 .val = 'V' | FIO_CLIENT_FLAG, 197 }, 198 { 199 .name = (char *) "server", 200 .has_arg = optional_argument, 201 .val = 'S', 202 }, 203 { .name = (char *) "daemonize", 204 .has_arg = required_argument, 205 .val = 'D', 206 }, 207 { 208 .name = (char *) "client", 209 .has_arg = required_argument, 210 .val = 'C', 211 }, 212 { 213 .name = NULL, 214 }, 215}; 216 217static void free_shm(void) 218{ 219 struct shmid_ds sbuf; 220 221 if (threads) { 222 void *tp = threads; 223 224 threads = NULL; 225 file_hash_exit(); 226 flow_exit(); 227 fio_debug_jobp = NULL; 228 shmdt(tp); 229 shmctl(shm_id, IPC_RMID, &sbuf); 230 } 231 232 scleanup(); 233} 234 235/* 236 * The thread area is shared between the main process and the job 237 * threads/processes. So setup a shared memory segment that will hold 238 * all the job info. We use the end of the region for keeping track of 239 * open files across jobs, for file sharing. 240 */ 241static int setup_thread_area(void) 242{ 243 void *hash; 244 245 if (threads) 246 return 0; 247 248 /* 249 * 1024 is too much on some machines, scale max_jobs if 250 * we get a failure that looks like too large a shm segment 251 */ 252 do { 253 size_t size = max_jobs * sizeof(struct thread_data); 254 255 size += file_hash_size; 256 size += sizeof(unsigned int); 257 258 shm_id = shmget(0, size, IPC_CREAT | 0600); 259 if (shm_id != -1) 260 break; 261 if (errno != EINVAL && errno != ENOMEM) { 262 perror("shmget"); 263 break; 264 } 265 266 max_jobs >>= 1; 267 } while (max_jobs); 268 269 if (shm_id == -1) 270 return 1; 271 272 threads = shmat(shm_id, NULL, 0); 273 if (threads == (void *) -1) { 274 perror("shmat"); 275 return 1; 276 } 277 278 memset(threads, 0, max_jobs * sizeof(struct thread_data)); 279 hash = (void *) threads + max_jobs * sizeof(struct thread_data); 280 fio_debug_jobp = (void *) hash + file_hash_size; 281 *fio_debug_jobp = -1; 282 file_hash_init(hash); 283 284 flow_init(); 285 286 return 0; 287} 288 289/* 290 * Return a free job structure. 291 */ 292static struct thread_data *get_new_job(int global, struct thread_data *parent, 293 int preserve_eo) 294{ 295 struct thread_data *td; 296 297 if (global) 298 return &def_thread; 299 if (setup_thread_area()) { 300 log_err("error: failed to setup shm segment\n"); 301 return NULL; 302 } 303 if (thread_number >= max_jobs) { 304 log_err("error: maximum number of jobs (%d) reached.\n", 305 max_jobs); 306 return NULL; 307 } 308 309 td = &threads[thread_number++]; 310 *td = *parent; 311 312 td->io_ops = NULL; 313 if (!preserve_eo) 314 td->eo = NULL; 315 316 td->o.uid = td->o.gid = -1U; 317 318 dup_files(td, parent); 319 fio_options_mem_dupe(td); 320 321 profile_add_hooks(td); 322 323 td->thread_number = thread_number; 324 return td; 325} 326 327static void put_job(struct thread_data *td) 328{ 329 if (td == &def_thread) 330 return; 331 332 profile_td_exit(td); 333 flow_exit_job(td); 334 335 if (td->error) 336 log_info("fio: %s\n", td->verror); 337 338 fio_options_free(td); 339 if (td->io_ops) 340 free_ioengine(td); 341 342 memset(&threads[td->thread_number - 1], 0, sizeof(*td)); 343 thread_number--; 344} 345 346static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) 347{ 348 unsigned int bs = td->o.min_bs[ddir]; 349 350 assert(ddir_rw(ddir)); 351 352 if (td->o.rate[ddir]) 353 td->rate_bps[ddir] = td->o.rate[ddir]; 354 else 355 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs; 356 357 if (!td->rate_bps[ddir]) { 358 log_err("rate lower than supported\n"); 359 return -1; 360 } 361 362 td->rate_pending_usleep[ddir] = 0; 363 return 0; 364} 365 366static int setup_rate(struct thread_data *td) 367{ 368 int ret = 0; 369 370 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) 371 ret = __setup_rate(td, DDIR_READ); 372 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) 373 ret |= __setup_rate(td, DDIR_WRITE); 374 375 return ret; 376} 377 378static int fixed_block_size(struct thread_options *o) 379{ 380 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && 381 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && 382 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; 383} 384 385/* 386 * Lazy way of fixing up options that depend on each other. We could also 387 * define option callback handlers, but this is easier. 388 */ 389static int fixup_options(struct thread_data *td) 390{ 391 struct thread_options *o = &td->o; 392 int ret = 0; 393 394#ifndef FIO_HAVE_PSHARED_MUTEX 395 if (!o->use_thread) { 396 log_info("fio: this platform does not support process shared" 397 " mutexes, forcing use of threads. Use the 'thread'" 398 " option to get rid of this warning.\n"); 399 o->use_thread = 1; 400 ret = warnings_fatal; 401 } 402#endif 403 404 if (o->write_iolog_file && o->read_iolog_file) { 405 log_err("fio: read iolog overrides write_iolog\n"); 406 free(o->write_iolog_file); 407 o->write_iolog_file = NULL; 408 ret = warnings_fatal; 409 } 410 411 /* 412 * only really works with 1 file 413 */ 414 if (o->zone_size && o->open_files == 1) 415 o->zone_size = 0; 416 417 /* 418 * If zone_range isn't specified, backward compatibility dictates it 419 * should be made equal to zone_size. 420 */ 421 if (o->zone_size && !o->zone_range) 422 o->zone_range = o->zone_size; 423 424 /* 425 * Reads can do overwrites, we always need to pre-create the file 426 */ 427 if (td_read(td) || td_rw(td)) 428 o->overwrite = 1; 429 430 if (!o->min_bs[DDIR_READ]) 431 o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; 432 if (!o->max_bs[DDIR_READ]) 433 o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; 434 if (!o->min_bs[DDIR_WRITE]) 435 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; 436 if (!o->max_bs[DDIR_WRITE]) 437 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; 438 439 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); 440 441 /* 442 * For random IO, allow blockalign offset other than min_bs. 443 */ 444 if (!o->ba[DDIR_READ] || !td_random(td)) 445 o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; 446 if (!o->ba[DDIR_WRITE] || !td_random(td)) 447 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; 448 449 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || 450 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && 451 !o->norandommap) { 452 log_err("fio: Any use of blockalign= turns off randommap\n"); 453 o->norandommap = 1; 454 ret = warnings_fatal; 455 } 456 457 if (!o->file_size_high) 458 o->file_size_high = o->file_size_low; 459 460 if (o->norandommap && o->verify != VERIFY_NONE 461 && !fixed_block_size(o)) { 462 log_err("fio: norandommap given for variable block sizes, " 463 "verify disabled\n"); 464 o->verify = VERIFY_NONE; 465 ret = warnings_fatal; 466 } 467 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) 468 log_err("fio: bs_unaligned may not work with raw io\n"); 469 470 /* 471 * thinktime_spin must be less than thinktime 472 */ 473 if (o->thinktime_spin > o->thinktime) 474 o->thinktime_spin = o->thinktime; 475 476 /* 477 * The low water mark cannot be bigger than the iodepth 478 */ 479 if (o->iodepth_low > o->iodepth || !o->iodepth_low) { 480 /* 481 * syslet work around - if the workload is sequential, 482 * we want to let the queue drain all the way down to 483 * avoid seeking between async threads 484 */ 485 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) 486 o->iodepth_low = 1; 487 else 488 o->iodepth_low = o->iodepth; 489 } 490 491 /* 492 * If batch number isn't set, default to the same as iodepth 493 */ 494 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) 495 o->iodepth_batch = o->iodepth; 496 497 if (o->nr_files > td->files_index) 498 o->nr_files = td->files_index; 499 500 if (o->open_files > o->nr_files || !o->open_files) 501 o->open_files = o->nr_files; 502 503 if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| 504 ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + 505 o->rate_iops_min[1]))) { 506 log_err("fio: rate and rate_iops are mutually exclusive\n"); 507 ret = 1; 508 } 509 if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || 510 (o->rate_iops[0] < o->rate_iops_min[0]) || 511 (o->rate_iops[1] < o->rate_iops_min[1])) { 512 log_err("fio: minimum rate exceeds rate\n"); 513 ret = 1; 514 } 515 516 if (!o->timeout && o->time_based) { 517 log_err("fio: time_based requires a runtime/timeout setting\n"); 518 o->time_based = 0; 519 ret = warnings_fatal; 520 } 521 522 if (o->fill_device && !o->size) 523 o->size = -1ULL; 524 525 if (o->verify != VERIFY_NONE) { 526 if (td_write(td) && o->do_verify && o->numjobs > 1) { 527 log_info("Multiple writers may overwrite blocks that " 528 "belong to other jobs. This can cause " 529 "verification failures.\n"); 530 ret = warnings_fatal; 531 } 532 533 o->refill_buffers = 1; 534 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && 535 !o->verify_interval) 536 o->verify_interval = o->min_bs[DDIR_WRITE]; 537 } 538 539 if (o->pre_read) { 540 o->invalidate_cache = 0; 541 if (td->io_ops->flags & FIO_PIPEIO) { 542 log_info("fio: cannot pre-read files with an IO engine" 543 " that isn't seekable. Pre-read disabled.\n"); 544 ret = warnings_fatal; 545 } 546 } 547 548#ifndef FIO_HAVE_FDATASYNC 549 if (o->fdatasync_blocks) { 550 log_info("fio: this platform does not support fdatasync()" 551 " falling back to using fsync(). Use the 'fsync'" 552 " option instead of 'fdatasync' to get rid of" 553 " this warning\n"); 554 o->fsync_blocks = o->fdatasync_blocks; 555 o->fdatasync_blocks = 0; 556 ret = warnings_fatal; 557 } 558#endif 559 560#ifdef WIN32 561 /* 562 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface, 563 * so fail if we're passed those flags 564 */ 565 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) { 566 log_err("fio: Windows does not support direct or non-buffered io with" 567 " the synchronous ioengines. Use the 'windowsaio' ioengine" 568 " with 'direct=1' and 'iodepth=1' instead.\n"); 569 ret = 1; 570 } 571#endif 572 573 /* 574 * For fully compressible data, just zero them at init time. 575 * It's faster than repeatedly filling it. 576 */ 577 if (td->o.compress_percentage == 100) { 578 td->o.zero_buffers = 1; 579 td->o.compress_percentage = 0; 580 } 581 582 return ret; 583} 584 585/* 586 * This function leaks the buffer 587 */ 588char *fio_uint_to_kmg(unsigned int val) 589{ 590 char *buf = malloc(32); 591 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; 592 char *p = post; 593 594 do { 595 if (val & 1023) 596 break; 597 598 val >>= 10; 599 p++; 600 } while (*p); 601 602 snprintf(buf, 31, "%u%c", val, *p); 603 return buf; 604} 605 606/* External engines are specified by "external:name.o") */ 607static const char *get_engine_name(const char *str) 608{ 609 char *p = strstr(str, ":"); 610 611 if (!p) 612 return str; 613 614 p++; 615 strip_blank_front(&p); 616 strip_blank_end(p); 617 return p; 618} 619 620static int exists_and_not_file(const char *filename) 621{ 622 struct stat sb; 623 624 if (lstat(filename, &sb) == -1) 625 return 0; 626 627 /* \\.\ is the device namespace in Windows, where every file 628 * is a device node */ 629 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) 630 return 0; 631 632 return 1; 633} 634 635static void td_fill_rand_seeds_os(struct thread_data *td) 636{ 637 os_random_seed(td->rand_seeds[0], &td->bsrange_state); 638 os_random_seed(td->rand_seeds[1], &td->verify_state); 639 os_random_seed(td->rand_seeds[2], &td->rwmix_state); 640 641 if (td->o.file_service_type == FIO_FSERVICE_RANDOM) 642 os_random_seed(td->rand_seeds[3], &td->next_file_state); 643 644 os_random_seed(td->rand_seeds[5], &td->file_size_state); 645 os_random_seed(td->rand_seeds[6], &td->trim_state); 646 647 if (!td_random(td)) 648 return; 649 650 if (td->o.rand_repeatable) 651 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; 652 653 os_random_seed(td->rand_seeds[4], &td->random_state); 654} 655 656static void td_fill_rand_seeds_internal(struct thread_data *td) 657{ 658 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); 659 init_rand_seed(&td->__verify_state, td->rand_seeds[1]); 660 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); 661 662 if (td->o.file_service_type == FIO_FSERVICE_RANDOM) 663 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); 664 665 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); 666 init_rand_seed(&td->__trim_state, td->rand_seeds[6]); 667 668 if (!td_random(td)) 669 return; 670 671 if (td->o.rand_repeatable) 672 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; 673 674 init_rand_seed(&td->__random_state, td->rand_seeds[4]); 675} 676 677void td_fill_rand_seeds(struct thread_data *td) 678{ 679 if (td->o.use_os_rand) 680 td_fill_rand_seeds_os(td); 681 else 682 td_fill_rand_seeds_internal(td); 683 684 init_rand_seed(&td->buf_state, td->rand_seeds[7]); 685} 686 687 688/* 689 * Initializes the ioengine configured for a job, if it has not been done so 690 * already. 691 */ 692int ioengine_load(struct thread_data *td) 693{ 694 const char *engine; 695 696 /* 697 * Engine has already been loaded. 698 */ 699 if (td->io_ops) 700 return 0; 701 702 engine = get_engine_name(td->o.ioengine); 703 td->io_ops = load_ioengine(td, engine); 704 if (!td->io_ops) { 705 log_err("fio: failed to load engine %s\n", engine); 706 return 1; 707 } 708 709 if (td->io_ops->option_struct_size && td->io_ops->options) { 710 /* 711 * In cases where td->eo is set, clone it for a child thread. 712 * This requires that the parent thread has the same ioengine, 713 * but that requirement must be enforced by the code which 714 * cloned the thread. 715 */ 716 void *origeo = td->eo; 717 /* 718 * Otherwise use the default thread options. 719 */ 720 if (!origeo && td != &def_thread && def_thread.eo && 721 def_thread.io_ops->options == td->io_ops->options) 722 origeo = def_thread.eo; 723 724 options_init(td->io_ops->options); 725 td->eo = malloc(td->io_ops->option_struct_size); 726 /* 727 * Use the default thread as an option template if this uses the 728 * same options structure and there are non-default options 729 * used. 730 */ 731 if (origeo) { 732 memcpy(td->eo, origeo, td->io_ops->option_struct_size); 733 options_mem_dupe(td->eo, td->io_ops->options); 734 } else { 735 memset(td->eo, 0, td->io_ops->option_struct_size); 736 fill_default_options(td->eo, td->io_ops->options); 737 } 738 *(struct thread_data **)td->eo = td; 739 } 740 741 return 0; 742} 743 744/* 745 * Adds a job to the list of things todo. Sanitizes the various options 746 * to make sure we don't have conflicts, and initializes various 747 * members of td. 748 */ 749static int add_job(struct thread_data *td, const char *jobname, int job_add_num, 750 int recursed, int client_type) 751{ 752 unsigned int i; 753 char fname[PATH_MAX]; 754 int numjobs, file_alloced; 755 756 /* 757 * the def_thread is just for options, it's not a real job 758 */ 759 if (td == &def_thread) 760 return 0; 761 762 /* 763 * if we are just dumping the output command line, don't add the job 764 */ 765 if (dump_cmdline) { 766 put_job(td); 767 return 0; 768 } 769 770 td->client_type = client_type; 771 772 if (profile_td_init(td)) 773 goto err; 774 775 if (ioengine_load(td)) 776 goto err; 777 778 if (td->o.odirect) 779 td->io_ops->flags |= FIO_RAWIO; 780 781 file_alloced = 0; 782 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { 783 file_alloced = 1; 784 785 if (td->o.nr_files == 1 && exists_and_not_file(jobname)) 786 add_file(td, jobname); 787 else { 788 for (i = 0; i < td->o.nr_files; i++) { 789 sprintf(fname, "%s.%d.%d", jobname, 790 td->thread_number, i); 791 add_file(td, fname); 792 } 793 } 794 } 795 796 if (fixup_options(td)) 797 goto err; 798 799 flow_init_job(td); 800 801 /* 802 * IO engines only need this for option callbacks, and the address may 803 * change in subprocesses. 804 */ 805 if (td->eo) 806 *(struct thread_data **)td->eo = NULL; 807 808 if (td->io_ops->flags & FIO_DISKLESSIO) { 809 struct fio_file *f; 810 811 for_each_file(td, f, i) 812 f->real_file_size = -1ULL; 813 } 814 815 td->mutex = fio_mutex_init(0); 816 817 td->ts.clat_percentiles = td->o.clat_percentiles; 818 if (td->o.overwrite_plist) 819 memcpy(td->ts.percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list)); 820 else 821 memcpy(td->ts.percentile_list, def_percentile_list, sizeof(def_percentile_list)); 822 823 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; 824 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; 825 td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX; 826 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; 827 td->ddir_seq_nr = td->o.ddir_seq_nr; 828 829 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { 830 prev_group_jobs = 0; 831 groupid++; 832 } 833 834 td->groupid = groupid; 835 prev_group_jobs++; 836 837 if (init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds))) { 838 td_verror(td, errno, "init_random_state"); 839 goto err; 840 } 841 842 if (setup_rate(td)) 843 goto err; 844 845 if (td->o.write_lat_log) { 846 setup_log(&td->lat_log, td->o.log_avg_msec, IO_LOG_TYPE_LAT); 847 setup_log(&td->slat_log, td->o.log_avg_msec, IO_LOG_TYPE_SLAT); 848 setup_log(&td->clat_log, td->o.log_avg_msec, IO_LOG_TYPE_CLAT); 849 } 850 if (td->o.write_bw_log) 851 setup_log(&td->bw_log, td->o.log_avg_msec, IO_LOG_TYPE_BW); 852 if (td->o.write_iops_log) 853 setup_log(&td->iops_log, td->o.log_avg_msec, IO_LOG_TYPE_IOPS); 854 855 if (!td->o.name) 856 td->o.name = strdup(jobname); 857 858 if (!terse_output) { 859 if (!job_add_num) { 860 if (is_backend && !recursed) 861 fio_server_send_add_job(td); 862 863 if (!(td->io_ops->flags & FIO_NOIO)) { 864 char *c1, *c2, *c3, *c4; 865 866 c1 = fio_uint_to_kmg(td->o.min_bs[DDIR_READ]); 867 c2 = fio_uint_to_kmg(td->o.max_bs[DDIR_READ]); 868 c3 = fio_uint_to_kmg(td->o.min_bs[DDIR_WRITE]); 869 c4 = fio_uint_to_kmg(td->o.max_bs[DDIR_WRITE]); 870 871 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," 872 " ioengine=%s, iodepth=%u\n", 873 td->o.name, td->groupid, 874 ddir_str(td->o.td_ddir), 875 c1, c2, c3, c4, 876 td->io_ops->name, 877 td->o.iodepth); 878 879 free(c1); 880 free(c2); 881 free(c3); 882 free(c4); 883 } 884 } else if (job_add_num == 1) 885 log_info("...\n"); 886 } 887 888 /* 889 * recurse add identical jobs, clear numjobs and stonewall options 890 * as they don't apply to sub-jobs 891 */ 892 numjobs = td->o.numjobs; 893 while (--numjobs) { 894 struct thread_data *td_new = get_new_job(0, td, 1); 895 896 if (!td_new) 897 goto err; 898 899 td_new->o.numjobs = 1; 900 td_new->o.stonewall = 0; 901 td_new->o.new_group = 0; 902 903 if (file_alloced) { 904 td_new->o.filename = NULL; 905 td_new->files_index = 0; 906 td_new->files_size = 0; 907 td_new->files = NULL; 908 } 909 910 job_add_num = numjobs - 1; 911 912 if (add_job(td_new, jobname, job_add_num, 1, client_type)) 913 goto err; 914 } 915 916 return 0; 917err: 918 put_job(td); 919 return -1; 920} 921 922/* 923 * Parse as if 'o' was a command line 924 */ 925void add_job_opts(const char **o, int client_type) 926{ 927 struct thread_data *td, *td_parent; 928 int i, in_global = 1; 929 char jobname[32]; 930 931 i = 0; 932 td_parent = td = NULL; 933 while (o[i]) { 934 if (!strncmp(o[i], "name", 4)) { 935 in_global = 0; 936 if (td) 937 add_job(td, jobname, 0, 0, client_type); 938 td = NULL; 939 sprintf(jobname, "%s", o[i] + 5); 940 } 941 if (in_global && !td_parent) 942 td_parent = get_new_job(1, &def_thread, 0); 943 else if (!in_global && !td) { 944 if (!td_parent) 945 td_parent = &def_thread; 946 td = get_new_job(0, td_parent, 0); 947 } 948 if (in_global) 949 fio_options_parse(td_parent, (char **) &o[i], 1); 950 else 951 fio_options_parse(td, (char **) &o[i], 1); 952 i++; 953 } 954 955 if (td) 956 add_job(td, jobname, 0, 0, client_type); 957} 958 959static int skip_this_section(const char *name) 960{ 961 int i; 962 963 if (!nr_job_sections) 964 return 0; 965 if (!strncmp(name, "global", 6)) 966 return 0; 967 968 for (i = 0; i < nr_job_sections; i++) 969 if (!strcmp(job_sections[i], name)) 970 return 0; 971 972 return 1; 973} 974 975static int is_empty_or_comment(char *line) 976{ 977 unsigned int i; 978 979 for (i = 0; i < strlen(line); i++) { 980 if (line[i] == ';') 981 return 1; 982 if (line[i] == '#') 983 return 1; 984 if (!isspace((int) line[i]) && !iscntrl((int) line[i])) 985 return 0; 986 } 987 988 return 1; 989} 990 991/* 992 * This is our [ini] type file parser. 993 */ 994int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type) 995{ 996 unsigned int global; 997 struct thread_data *td; 998 char *string, *name; 999 FILE *f; 1000 char *p; 1001 int ret = 0, stonewall; 1002 int first_sect = 1; 1003 int skip_fgets = 0; 1004 int inside_skip = 0; 1005 char **opts; 1006 int i, alloc_opts, num_opts; 1007 1008 if (is_buf) 1009 f = NULL; 1010 else { 1011 if (!strcmp(file, "-")) 1012 f = stdin; 1013 else 1014 f = fopen(file, "r"); 1015 1016 if (!f) { 1017 perror("fopen job file"); 1018 return 1; 1019 } 1020 } 1021 1022 string = malloc(4096); 1023 1024 /* 1025 * it's really 256 + small bit, 280 should suffice 1026 */ 1027 name = malloc(280); 1028 memset(name, 0, 280); 1029 1030 alloc_opts = 8; 1031 opts = malloc(sizeof(char *) * alloc_opts); 1032 num_opts = 0; 1033 1034 stonewall = stonewall_flag; 1035 do { 1036 /* 1037 * if skip_fgets is set, we already have loaded a line we 1038 * haven't handled. 1039 */ 1040 if (!skip_fgets) { 1041 if (is_buf) 1042 p = strsep(&file, "\n"); 1043 else 1044 p = fgets(string, 4096, f); 1045 if (!p) 1046 break; 1047 } 1048 1049 skip_fgets = 0; 1050 strip_blank_front(&p); 1051 strip_blank_end(p); 1052 1053 if (is_empty_or_comment(p)) 1054 continue; 1055 if (sscanf(p, "[%255[^\n]]", name) != 1) { 1056 if (inside_skip) 1057 continue; 1058 log_err("fio: option <%s> outside of [] job section\n", 1059 p); 1060 break; 1061 } 1062 1063 name[strlen(name) - 1] = '\0'; 1064 1065 if (skip_this_section(name)) { 1066 inside_skip = 1; 1067 continue; 1068 } else 1069 inside_skip = 0; 1070 1071 global = !strncmp(name, "global", 6); 1072 1073 if (dump_cmdline) { 1074 if (first_sect) 1075 log_info("fio "); 1076 if (!global) 1077 log_info("--name=%s ", name); 1078 first_sect = 0; 1079 } 1080 1081 td = get_new_job(global, &def_thread, 0); 1082 if (!td) { 1083 ret = 1; 1084 break; 1085 } 1086 1087 /* 1088 * Seperate multiple job files by a stonewall 1089 */ 1090 if (!global && stonewall) { 1091 td->o.stonewall = stonewall; 1092 stonewall = 0; 1093 } 1094 1095 num_opts = 0; 1096 memset(opts, 0, alloc_opts * sizeof(char *)); 1097 1098 while (1) { 1099 if (is_buf) 1100 p = strsep(&file, "\n"); 1101 else 1102 p = fgets(string, 4096, f); 1103 if (!p) 1104 break; 1105 1106 if (is_empty_or_comment(p)) 1107 continue; 1108 1109 strip_blank_front(&p); 1110 1111 /* 1112 * new section, break out and make sure we don't 1113 * fgets() a new line at the top. 1114 */ 1115 if (p[0] == '[') { 1116 skip_fgets = 1; 1117 break; 1118 } 1119 1120 strip_blank_end(p); 1121 1122 if (num_opts == alloc_opts) { 1123 alloc_opts <<= 1; 1124 opts = realloc(opts, 1125 alloc_opts * sizeof(char *)); 1126 } 1127 1128 opts[num_opts] = strdup(p); 1129 num_opts++; 1130 } 1131 1132 ret = fio_options_parse(td, opts, num_opts); 1133 if (!ret) { 1134 if (dump_cmdline) 1135 for (i = 0; i < num_opts; i++) 1136 log_info("--%s ", opts[i]); 1137 1138 ret = add_job(td, name, 0, 0, type); 1139 } else { 1140 log_err("fio: job %s dropped\n", name); 1141 put_job(td); 1142 } 1143 1144 for (i = 0; i < num_opts; i++) 1145 free(opts[i]); 1146 num_opts = 0; 1147 } while (!ret); 1148 1149 if (dump_cmdline) 1150 log_info("\n"); 1151 1152 i = 0; 1153 while (i < nr_job_sections) { 1154 free(job_sections[i]); 1155 i++; 1156 } 1157 1158 for (i = 0; i < num_opts; i++) 1159 free(opts[i]); 1160 1161 free(string); 1162 free(name); 1163 free(opts); 1164 if (!is_buf && f != stdin) 1165 fclose(f); 1166 return ret; 1167} 1168 1169static int fill_def_thread(void) 1170{ 1171 memset(&def_thread, 0, sizeof(def_thread)); 1172 1173 fio_getaffinity(getpid(), &def_thread.o.cpumask); 1174 def_thread.o.timeout = def_timeout; 1175 1176 /* 1177 * fill default options 1178 */ 1179 fio_fill_default_options(&def_thread); 1180 return 0; 1181} 1182 1183static void usage(const char *name) 1184{ 1185 printf("fio %s\n", fio_version_string); 1186 printf("%s [options] [job options] <job file(s)>\n", name); 1187 printf(" --debug=options\tEnable debug logging. May be one/more of:\n" 1188 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n" 1189 "\t\t\tdiskutil,job,mutex,profile,time,net\n"); 1190 printf(" --output\t\tWrite output to file\n"); 1191 printf(" --timeout\t\tRuntime in seconds\n"); 1192 printf(" --latency-log\t\tGenerate per-job latency logs\n"); 1193 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n"); 1194 printf(" --minimal\t\tMinimal (terse) output\n"); 1195 printf(" --version\t\tPrint version info and exit\n"); 1196 printf(" --terse-version=x\tSet terse version output format to 'x'\n"); 1197 printf(" --help\t\tPrint this page\n"); 1198 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of" 1199 " them\n"); 1200 printf(" --enghelp=engine\tPrint ioengine help, or list" 1201 " available ioengines\n"); 1202 printf(" --enghelp=engine,cmd\tPrint help for an ioengine" 1203 " cmd\n"); 1204 printf(" --showcmd\t\tTurn a job file into command line options\n"); 1205 printf(" --eta=when\t\tWhen ETA estimate should be printed\n"); 1206 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n"); 1207 printf(" --readonly\t\tTurn on safety read-only checks, preventing" 1208 " writes\n"); 1209 printf(" --section=name\tOnly run specified section in job file\n"); 1210 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb" 1211 " (def 1024)\n"); 1212 printf(" --warnings-fatal\tFio parser warnings are fatal\n"); 1213 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n"); 1214 printf(" --server=args\t\tStart a backend fio server\n"); 1215 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n"); 1216 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n"); 1217 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); 1218 printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); 1219} 1220 1221#ifdef FIO_INC_DEBUG 1222struct debug_level debug_levels[] = { 1223 { .name = "process", 1224 .help = "Process creation/exit logging", 1225 .shift = FD_PROCESS, 1226 }, 1227 { .name = "file", 1228 .help = "File related action logging", 1229 .shift = FD_FILE, 1230 }, 1231 { .name = "io", 1232 .help = "IO and IO engine action logging (offsets, queue, completions, etc)", 1233 .shift = FD_IO, 1234 }, 1235 { .name = "mem", 1236 .help = "Memory allocation/freeing logging", 1237 .shift = FD_MEM, 1238 }, 1239 { .name = "blktrace", 1240 .help = "blktrace action logging", 1241 .shift = FD_BLKTRACE, 1242 }, 1243 { .name = "verify", 1244 .help = "IO verification action logging", 1245 .shift = FD_VERIFY, 1246 }, 1247 { .name = "random", 1248 .help = "Random generation logging", 1249 .shift = FD_RANDOM, 1250 }, 1251 { .name = "parse", 1252 .help = "Parser logging", 1253 .shift = FD_PARSE, 1254 }, 1255 { .name = "diskutil", 1256 .help = "Disk utility logging actions", 1257 .shift = FD_DISKUTIL, 1258 }, 1259 { .name = "job", 1260 .help = "Logging related to creating/destroying jobs", 1261 .shift = FD_JOB, 1262 }, 1263 { .name = "mutex", 1264 .help = "Mutex logging", 1265 .shift = FD_MUTEX 1266 }, 1267 { .name = "profile", 1268 .help = "Logging related to profiles", 1269 .shift = FD_PROFILE, 1270 }, 1271 { .name = "time", 1272 .help = "Logging related to time keeping functions", 1273 .shift = FD_TIME, 1274 }, 1275 { .name = "net", 1276 .help = "Network logging", 1277 .shift = FD_NET, 1278 }, 1279 { .name = NULL, }, 1280}; 1281 1282static int set_debug(const char *string) 1283{ 1284 struct debug_level *dl; 1285 char *p = (char *) string; 1286 char *opt; 1287 int i; 1288 1289 if (!strcmp(string, "?") || !strcmp(string, "help")) { 1290 log_info("fio: dumping debug options:"); 1291 for (i = 0; debug_levels[i].name; i++) { 1292 dl = &debug_levels[i]; 1293 log_info("%s,", dl->name); 1294 } 1295 log_info("all\n"); 1296 return 1; 1297 } 1298 1299 while ((opt = strsep(&p, ",")) != NULL) { 1300 int found = 0; 1301 1302 if (!strncmp(opt, "all", 3)) { 1303 log_info("fio: set all debug options\n"); 1304 fio_debug = ~0UL; 1305 continue; 1306 } 1307 1308 for (i = 0; debug_levels[i].name; i++) { 1309 dl = &debug_levels[i]; 1310 found = !strncmp(opt, dl->name, strlen(dl->name)); 1311 if (!found) 1312 continue; 1313 1314 if (dl->shift == FD_JOB) { 1315 opt = strchr(opt, ':'); 1316 if (!opt) { 1317 log_err("fio: missing job number\n"); 1318 break; 1319 } 1320 opt++; 1321 fio_debug_jobno = atoi(opt); 1322 log_info("fio: set debug jobno %d\n", 1323 fio_debug_jobno); 1324 } else { 1325 log_info("fio: set debug option %s\n", opt); 1326 fio_debug |= (1UL << dl->shift); 1327 } 1328 break; 1329 } 1330 1331 if (!found) 1332 log_err("fio: debug mask %s not found\n", opt); 1333 } 1334 return 0; 1335} 1336#else 1337static int set_debug(const char *string) 1338{ 1339 log_err("fio: debug tracing not included in build\n"); 1340 return 1; 1341} 1342#endif 1343 1344static void fio_options_fill_optstring(void) 1345{ 1346 char *ostr = cmd_optstr; 1347 int i, c; 1348 1349 c = i = 0; 1350 while (l_opts[i].name) { 1351 ostr[c++] = l_opts[i].val; 1352 if (l_opts[i].has_arg == required_argument) 1353 ostr[c++] = ':'; 1354 else if (l_opts[i].has_arg == optional_argument) { 1355 ostr[c++] = ':'; 1356 ostr[c++] = ':'; 1357 } 1358 i++; 1359 } 1360 ostr[c] = '\0'; 1361} 1362 1363static int client_flag_set(char c) 1364{ 1365 int i; 1366 1367 i = 0; 1368 while (l_opts[i].name) { 1369 int val = l_opts[i].val; 1370 1371 if (c == (val & 0xff)) 1372 return (val & FIO_CLIENT_FLAG); 1373 1374 i++; 1375 } 1376 1377 return 0; 1378} 1379 1380void parse_cmd_client(void *client, char *opt) 1381{ 1382 fio_client_add_cmd_option(client, opt); 1383} 1384 1385int parse_cmd_line(int argc, char *argv[], int client_type) 1386{ 1387 struct thread_data *td = NULL; 1388 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; 1389 char *ostr = cmd_optstr; 1390 void *pid_file = NULL; 1391 void *cur_client = NULL; 1392 int backend = 0; 1393 1394 /* 1395 * Reset optind handling, since we may call this multiple times 1396 * for the backend. 1397 */ 1398 optind = 1; 1399 1400 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { 1401 did_arg = 1; 1402 1403 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) { 1404 parse_cmd_client(cur_client, argv[optind - 1]); 1405 c &= ~FIO_CLIENT_FLAG; 1406 } 1407 1408 switch (c) { 1409 case 'a': 1410 smalloc_pool_size = atoi(optarg); 1411 break; 1412 case 't': 1413 def_timeout = atoi(optarg); 1414 break; 1415 case 'l': 1416 write_lat_log = 1; 1417 break; 1418 case 'b': 1419 write_bw_log = 1; 1420 break; 1421 case 'o': 1422 f_out = fopen(optarg, "w+"); 1423 if (!f_out) { 1424 perror("fopen output"); 1425 exit(1); 1426 } 1427 f_err = f_out; 1428 break; 1429 case 'm': 1430 terse_output = 1; 1431 break; 1432 case 'h': 1433 if (!cur_client) { 1434 usage(argv[0]); 1435 do_exit++; 1436 } 1437 break; 1438 case 'c': 1439 if (!cur_client) { 1440 fio_show_option_help(optarg); 1441 do_exit++; 1442 } 1443 break; 1444 case 'i': 1445 if (!cur_client) { 1446 fio_show_ioengine_help(optarg); 1447 do_exit++; 1448 } 1449 break; 1450 case 's': 1451 dump_cmdline = 1; 1452 break; 1453 case 'r': 1454 read_only = 1; 1455 break; 1456 case 'v': 1457 if (!cur_client) { 1458 log_info("fio %s\n", fio_version_string); 1459 do_exit++; 1460 } 1461 break; 1462 case 'V': 1463 terse_version = atoi(optarg); 1464 if (!(terse_version == 2 || terse_version == 3)) { 1465 log_err("fio: bad terse version format\n"); 1466 exit_val = 1; 1467 do_exit++; 1468 } 1469 break; 1470 case 'e': 1471 if (!strcmp("always", optarg)) 1472 eta_print = FIO_ETA_ALWAYS; 1473 else if (!strcmp("never", optarg)) 1474 eta_print = FIO_ETA_NEVER; 1475 break; 1476 case 'd': 1477 if (set_debug(optarg)) 1478 do_exit++; 1479 break; 1480 case 'x': { 1481 size_t new_size; 1482 1483 if (!strcmp(optarg, "global")) { 1484 log_err("fio: can't use global as only " 1485 "section\n"); 1486 do_exit++; 1487 exit_val = 1; 1488 break; 1489 } 1490 new_size = (nr_job_sections + 1) * sizeof(char *); 1491 job_sections = realloc(job_sections, new_size); 1492 job_sections[nr_job_sections] = strdup(optarg); 1493 nr_job_sections++; 1494 break; 1495 } 1496 case 'p': 1497 exec_profile = strdup(optarg); 1498 break; 1499 case FIO_GETOPT_JOB: { 1500 const char *opt = l_opts[lidx].name; 1501 char *val = optarg; 1502 1503 if (!strncmp(opt, "name", 4) && td) { 1504 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); 1505 if (ret) 1506 return 0; 1507 td = NULL; 1508 } 1509 if (!td) { 1510 int is_section = !strncmp(opt, "name", 4); 1511 int global = 0; 1512 1513 if (!is_section || !strncmp(val, "global", 6)) 1514 global = 1; 1515 1516 if (is_section && skip_this_section(val)) 1517 continue; 1518 1519 td = get_new_job(global, &def_thread, 1); 1520 if (!td || ioengine_load(td)) 1521 return 0; 1522 fio_options_set_ioengine_opts(l_opts, td); 1523 } 1524 1525 ret = fio_cmd_option_parse(td, opt, val); 1526 1527 if (!ret && !strcmp(opt, "ioengine")) { 1528 free_ioengine(td); 1529 if (ioengine_load(td)) 1530 return 0; 1531 fio_options_set_ioengine_opts(l_opts, td); 1532 } 1533 break; 1534 } 1535 case FIO_GETOPT_IOENGINE: { 1536 const char *opt = l_opts[lidx].name; 1537 char *val = optarg; 1538 opt = l_opts[lidx].name; 1539 val = optarg; 1540 ret = fio_cmd_ioengine_option_parse(td, opt, val); 1541 break; 1542 } 1543 case 'w': 1544 warnings_fatal = 1; 1545 break; 1546 case 'j': 1547 max_jobs = atoi(optarg); 1548 if (!max_jobs || max_jobs > REAL_MAX_JOBS) { 1549 log_err("fio: invalid max jobs: %d\n", max_jobs); 1550 do_exit++; 1551 exit_val = 1; 1552 } 1553 break; 1554 case 'S': 1555 if (nr_clients) { 1556 log_err("fio: can't be both client and server\n"); 1557 do_exit++; 1558 exit_val = 1; 1559 break; 1560 } 1561 if (optarg) 1562 fio_server_set_arg(optarg); 1563 is_backend = 1; 1564 backend = 1; 1565 break; 1566 case 'D': 1567 pid_file = strdup(optarg); 1568 break; 1569 case 'C': 1570 if (is_backend) { 1571 log_err("fio: can't be both client and server\n"); 1572 do_exit++; 1573 exit_val = 1; 1574 break; 1575 } 1576 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) { 1577 log_err("fio: failed adding client %s\n", optarg); 1578 do_exit++; 1579 exit_val = 1; 1580 break; 1581 } 1582 break; 1583 default: 1584 do_exit++; 1585 exit_val = 1; 1586 break; 1587 } 1588 if (do_exit) 1589 break; 1590 } 1591 1592 if (do_exit) { 1593 if (exit_val && !(is_backend || nr_clients)) 1594 exit(exit_val); 1595 } 1596 1597 if (nr_clients && fio_clients_connect()) { 1598 do_exit++; 1599 exit_val = 1; 1600 return -1; 1601 } 1602 1603 if (is_backend && backend) 1604 return fio_start_server(pid_file); 1605 1606 if (td) { 1607 if (!ret) 1608 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); 1609 } 1610 1611 while (!ret && optind < argc) { 1612 ini_idx++; 1613 ini_file = realloc(ini_file, ini_idx * sizeof(char *)); 1614 ini_file[ini_idx - 1] = strdup(argv[optind]); 1615 optind++; 1616 } 1617 1618 return ini_idx; 1619} 1620 1621int fio_init_options(void) 1622{ 1623 f_out = stdout; 1624 f_err = stderr; 1625 1626 fio_options_fill_optstring(); 1627 fio_options_dup_and_init(l_opts); 1628 1629 atexit(free_shm); 1630 1631 if (fill_def_thread()) 1632 return 1; 1633 1634 return 0; 1635} 1636 1637extern int fio_check_options(struct thread_options *); 1638 1639int parse_options(int argc, char *argv[]) 1640{ 1641 const int type = FIO_CLIENT_TYPE_CLI; 1642 int job_files, i; 1643 1644 if (fio_init_options()) 1645 return 1; 1646 if (fio_test_cconv(&def_thread.o)) 1647 log_err("fio: failed internal cconv test\n"); 1648 1649 job_files = parse_cmd_line(argc, argv, type); 1650 1651 if (job_files > 0) { 1652 for (i = 0; i < job_files; i++) { 1653 if (fill_def_thread()) 1654 return 1; 1655 if (nr_clients) { 1656 if (fio_clients_send_ini(ini_file[i])) 1657 return 1; 1658 free(ini_file[i]); 1659 } else if (!is_backend) { 1660 if (parse_jobs_ini(ini_file[i], 0, i, type)) 1661 return 1; 1662 free(ini_file[i]); 1663 } 1664 } 1665 } 1666 1667 free(ini_file); 1668 fio_options_free(&def_thread); 1669 1670 if (!thread_number) { 1671 if (dump_cmdline) 1672 return 0; 1673 if (exec_profile) 1674 return 0; 1675 if (is_backend || nr_clients) 1676 return 0; 1677 if (did_arg) 1678 return 0; 1679 1680 log_err("No jobs(s) defined\n\n"); 1681 1682 if (!did_arg) { 1683 usage(argv[0]); 1684 return 1; 1685 } 1686 1687 return 0; 1688 } 1689 1690 if (def_thread.o.gtod_offload) { 1691 fio_gtod_init(); 1692 fio_gtod_offload = 1; 1693 fio_gtod_cpu = def_thread.o.gtod_cpu; 1694 } 1695 1696 if (!terse_output) 1697 log_info("fio %s\n", fio_version_string); 1698 1699 return 0; 1700} 1701 1702void options_default_fill(struct thread_options *o) 1703{ 1704 memcpy(o, &def_thread.o, sizeof(*o)); 1705} 1706