init.c revision 2f122b135b7319ff8dd04dadf31ff28b301051a3
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 = 1.0 }, 78 { .u.f = 5.0 }, 79 { .u.f = 10.0 }, 80 { .u.f = 20.0 }, 81 { .u.f = 30.0 }, 82 { .u.f = 40.0 }, 83 { .u.f = 50.0 }, 84 { .u.f = 60.0 }, 85 { .u.f = 70.0 }, 86 { .u.f = 80.0 }, 87 { .u.f = 90.0 }, 88 { .u.f = 95.0 }, 89 { .u.f = 99.0 }, 90 { .u.f = 99.5 }, 91 { .u.f = 99.9 }, 92}; 93 94#define FIO_CLIENT_FLAG (1 << 16) 95 96/* 97 * Command line options. These will contain the above, plus a few 98 * extra that only pertain to fio itself and not jobs. 99 */ 100static struct option l_opts[FIO_NR_OPTIONS] = { 101 { 102 .name = (char *) "output", 103 .has_arg = required_argument, 104 .val = 'o' | FIO_CLIENT_FLAG, 105 }, 106 { 107 .name = (char *) "timeout", 108 .has_arg = required_argument, 109 .val = 't' | FIO_CLIENT_FLAG, 110 }, 111 { 112 .name = (char *) "latency-log", 113 .has_arg = required_argument, 114 .val = 'l' | FIO_CLIENT_FLAG, 115 }, 116 { 117 .name = (char *) "bandwidth-log", 118 .has_arg = required_argument, 119 .val = 'b' | FIO_CLIENT_FLAG, 120 }, 121 { 122 .name = (char *) "minimal", 123 .has_arg = optional_argument, 124 .val = 'm' | FIO_CLIENT_FLAG, 125 }, 126 { 127 .name = (char *) "version", 128 .has_arg = no_argument, 129 .val = 'v' | FIO_CLIENT_FLAG, 130 }, 131 { 132 .name = (char *) "help", 133 .has_arg = no_argument, 134 .val = 'h' | FIO_CLIENT_FLAG, 135 }, 136 { 137 .name = (char *) "cmdhelp", 138 .has_arg = optional_argument, 139 .val = 'c' | FIO_CLIENT_FLAG, 140 }, 141 { 142 .name = (char *) "enghelp", 143 .has_arg = optional_argument, 144 .val = 'i' | FIO_CLIENT_FLAG, 145 }, 146 { 147 .name = (char *) "showcmd", 148 .has_arg = no_argument, 149 .val = 's' | FIO_CLIENT_FLAG, 150 }, 151 { 152 .name = (char *) "readonly", 153 .has_arg = no_argument, 154 .val = 'r' | FIO_CLIENT_FLAG, 155 }, 156 { 157 .name = (char *) "eta", 158 .has_arg = required_argument, 159 .val = 'e' | FIO_CLIENT_FLAG, 160 }, 161 { 162 .name = (char *) "debug", 163 .has_arg = required_argument, 164 .val = 'd' | FIO_CLIENT_FLAG, 165 }, 166 { 167 .name = (char *) "section", 168 .has_arg = required_argument, 169 .val = 'x' | FIO_CLIENT_FLAG, 170 }, 171 { 172 .name = (char *) "alloc-size", 173 .has_arg = required_argument, 174 .val = 'a' | FIO_CLIENT_FLAG, 175 }, 176 { 177 .name = (char *) "profile", 178 .has_arg = required_argument, 179 .val = 'p' | FIO_CLIENT_FLAG, 180 }, 181 { 182 .name = (char *) "warnings-fatal", 183 .has_arg = no_argument, 184 .val = 'w' | FIO_CLIENT_FLAG, 185 }, 186 { 187 .name = (char *) "max-jobs", 188 .has_arg = required_argument, 189 .val = 'j' | FIO_CLIENT_FLAG, 190 }, 191 { 192 .name = (char *) "terse-version", 193 .has_arg = required_argument, 194 .val = 'V' | FIO_CLIENT_FLAG, 195 }, 196 { 197 .name = (char *) "server", 198 .has_arg = optional_argument, 199 .val = 'S', 200 }, 201 { .name = (char *) "daemonize", 202 .has_arg = required_argument, 203 .val = 'D', 204 }, 205 { 206 .name = (char *) "client", 207 .has_arg = required_argument, 208 .val = 'C', 209 }, 210 { 211 .name = NULL, 212 }, 213}; 214 215static void free_shm(void) 216{ 217 struct shmid_ds sbuf; 218 219 if (threads) { 220 void *tp = threads; 221 222 threads = NULL; 223 file_hash_exit(); 224 flow_exit(); 225 fio_debug_jobp = NULL; 226 shmdt(tp); 227 shmctl(shm_id, IPC_RMID, &sbuf); 228 } 229 230 scleanup(); 231} 232 233/* 234 * The thread area is shared between the main process and the job 235 * threads/processes. So setup a shared memory segment that will hold 236 * all the job info. We use the end of the region for keeping track of 237 * open files across jobs, for file sharing. 238 */ 239static int setup_thread_area(void) 240{ 241 void *hash; 242 243 if (threads) 244 return 0; 245 246 /* 247 * 1024 is too much on some machines, scale max_jobs if 248 * we get a failure that looks like too large a shm segment 249 */ 250 do { 251 size_t size = max_jobs * sizeof(struct thread_data); 252 253 size += file_hash_size; 254 size += sizeof(unsigned int); 255 256 shm_id = shmget(0, size, IPC_CREAT | 0600); 257 if (shm_id != -1) 258 break; 259 if (errno != EINVAL && errno != ENOMEM) { 260 perror("shmget"); 261 break; 262 } 263 264 max_jobs >>= 1; 265 } while (max_jobs); 266 267 if (shm_id == -1) 268 return 1; 269 270 threads = shmat(shm_id, NULL, 0); 271 if (threads == (void *) -1) { 272 perror("shmat"); 273 return 1; 274 } 275 276 memset(threads, 0, max_jobs * sizeof(struct thread_data)); 277 hash = (void *) threads + max_jobs * sizeof(struct thread_data); 278 fio_debug_jobp = (void *) hash + file_hash_size; 279 *fio_debug_jobp = -1; 280 file_hash_init(hash); 281 282 flow_init(); 283 284 return 0; 285} 286 287/* 288 * Return a free job structure. 289 */ 290static struct thread_data *get_new_job(int global, struct thread_data *parent, 291 int preserve_eo) 292{ 293 struct thread_data *td; 294 295 if (global) 296 return &def_thread; 297 if (setup_thread_area()) { 298 log_err("error: failed to setup shm segment\n"); 299 return NULL; 300 } 301 if (thread_number >= max_jobs) { 302 log_err("error: maximum number of jobs (%d) reached.\n", 303 max_jobs); 304 return NULL; 305 } 306 307 td = &threads[thread_number++]; 308 *td = *parent; 309 310 td->io_ops = NULL; 311 if (!preserve_eo) 312 td->eo = NULL; 313 314 td->o.uid = td->o.gid = -1U; 315 316 dup_files(td, parent); 317 fio_options_mem_dupe(td); 318 319 profile_add_hooks(td); 320 321 td->thread_number = thread_number; 322 return td; 323} 324 325static void put_job(struct thread_data *td) 326{ 327 if (td == &def_thread) 328 return; 329 330 profile_td_exit(td); 331 flow_exit_job(td); 332 333 if (td->error) 334 log_info("fio: %s\n", td->verror); 335 336 fio_options_free(td); 337 if (td->io_ops) 338 free_ioengine(td); 339 340 memset(&threads[td->thread_number - 1], 0, sizeof(*td)); 341 thread_number--; 342} 343 344static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) 345{ 346 unsigned int bs = td->o.min_bs[ddir]; 347 348 assert(ddir_rw(ddir)); 349 350 if (td->o.rate[ddir]) 351 td->rate_bps[ddir] = td->o.rate[ddir]; 352 else 353 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs; 354 355 if (!td->rate_bps[ddir]) { 356 log_err("rate lower than supported\n"); 357 return -1; 358 } 359 360 td->rate_pending_usleep[ddir] = 0; 361 return 0; 362} 363 364static int setup_rate(struct thread_data *td) 365{ 366 int ret = 0; 367 368 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) 369 ret = __setup_rate(td, DDIR_READ); 370 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) 371 ret |= __setup_rate(td, DDIR_WRITE); 372 373 return ret; 374} 375 376static int fixed_block_size(struct thread_options *o) 377{ 378 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && 379 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && 380 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; 381} 382 383/* 384 * Lazy way of fixing up options that depend on each other. We could also 385 * define option callback handlers, but this is easier. 386 */ 387static int fixup_options(struct thread_data *td) 388{ 389 struct thread_options *o = &td->o; 390 int ret = 0; 391 392#ifndef FIO_HAVE_PSHARED_MUTEX 393 if (!o->use_thread) { 394 log_info("fio: this platform does not support process shared" 395 " mutexes, forcing use of threads. Use the 'thread'" 396 " option to get rid of this warning.\n"); 397 o->use_thread = 1; 398 ret = warnings_fatal; 399 } 400#endif 401 402 if (o->write_iolog_file && o->read_iolog_file) { 403 log_err("fio: read iolog overrides write_iolog\n"); 404 free(o->write_iolog_file); 405 o->write_iolog_file = NULL; 406 ret = warnings_fatal; 407 } 408 409 /* 410 * only really works with 1 file 411 */ 412 if (o->zone_size && o->open_files == 1) 413 o->zone_size = 0; 414 415 /* 416 * If zone_range isn't specified, backward compatibility dictates it 417 * should be made equal to zone_size. 418 */ 419 if (o->zone_size && !o->zone_range) 420 o->zone_range = o->zone_size; 421 422 /* 423 * Reads can do overwrites, we always need to pre-create the file 424 */ 425 if (td_read(td) || td_rw(td)) 426 o->overwrite = 1; 427 428 if (!o->min_bs[DDIR_READ]) 429 o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; 430 if (!o->max_bs[DDIR_READ]) 431 o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; 432 if (!o->min_bs[DDIR_WRITE]) 433 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; 434 if (!o->max_bs[DDIR_WRITE]) 435 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; 436 437 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); 438 439 /* 440 * For random IO, allow blockalign offset other than min_bs. 441 */ 442 if (!o->ba[DDIR_READ] || !td_random(td)) 443 o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; 444 if (!o->ba[DDIR_WRITE] || !td_random(td)) 445 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; 446 447 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || 448 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && 449 !o->norandommap) { 450 log_err("fio: Any use of blockalign= turns off randommap\n"); 451 o->norandommap = 1; 452 ret = warnings_fatal; 453 } 454 455 if (!o->file_size_high) 456 o->file_size_high = o->file_size_low; 457 458 if (o->norandommap && o->verify != VERIFY_NONE 459 && !fixed_block_size(o)) { 460 log_err("fio: norandommap given for variable block sizes, " 461 "verify disabled\n"); 462 o->verify = VERIFY_NONE; 463 ret = warnings_fatal; 464 } 465 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) 466 log_err("fio: bs_unaligned may not work with raw io\n"); 467 468 /* 469 * thinktime_spin must be less than thinktime 470 */ 471 if (o->thinktime_spin > o->thinktime) 472 o->thinktime_spin = o->thinktime; 473 474 /* 475 * The low water mark cannot be bigger than the iodepth 476 */ 477 if (o->iodepth_low > o->iodepth || !o->iodepth_low) { 478 /* 479 * syslet work around - if the workload is sequential, 480 * we want to let the queue drain all the way down to 481 * avoid seeking between async threads 482 */ 483 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) 484 o->iodepth_low = 1; 485 else 486 o->iodepth_low = o->iodepth; 487 } 488 489 /* 490 * If batch number isn't set, default to the same as iodepth 491 */ 492 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) 493 o->iodepth_batch = o->iodepth; 494 495 if (o->nr_files > td->files_index) 496 o->nr_files = td->files_index; 497 498 if (o->open_files > o->nr_files || !o->open_files) 499 o->open_files = o->nr_files; 500 501 if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| 502 ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + 503 o->rate_iops_min[1]))) { 504 log_err("fio: rate and rate_iops are mutually exclusive\n"); 505 ret = 1; 506 } 507 if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || 508 (o->rate_iops[0] < o->rate_iops_min[0]) || 509 (o->rate_iops[1] < o->rate_iops_min[1])) { 510 log_err("fio: minimum rate exceeds rate\n"); 511 ret = 1; 512 } 513 514 if (!o->timeout && o->time_based) { 515 log_err("fio: time_based requires a runtime/timeout setting\n"); 516 o->time_based = 0; 517 ret = warnings_fatal; 518 } 519 520 if (o->fill_device && !o->size) 521 o->size = -1ULL; 522 523 if (o->verify != VERIFY_NONE) { 524 if (td_write(td) && o->do_verify && o->numjobs > 1) { 525 log_info("Multiple writers may overwrite blocks that " 526 "belong to other jobs. This can cause " 527 "verification failures.\n"); 528 ret = warnings_fatal; 529 } 530 531 o->refill_buffers = 1; 532 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && 533 !o->verify_interval) 534 o->verify_interval = o->min_bs[DDIR_WRITE]; 535 } 536 537 if (o->pre_read) { 538 o->invalidate_cache = 0; 539 if (td->io_ops->flags & FIO_PIPEIO) { 540 log_info("fio: cannot pre-read files with an IO engine" 541 " that isn't seekable. Pre-read disabled.\n"); 542 ret = warnings_fatal; 543 } 544 } 545 546#ifndef FIO_HAVE_FDATASYNC 547 if (o->fdatasync_blocks) { 548 log_info("fio: this platform does not support fdatasync()" 549 " falling back to using fsync(). Use the 'fsync'" 550 " option instead of 'fdatasync' to get rid of" 551 " this warning\n"); 552 o->fsync_blocks = o->fdatasync_blocks; 553 o->fdatasync_blocks = 0; 554 ret = warnings_fatal; 555 } 556#endif 557 558#ifdef WIN32 559 /* 560 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface, 561 * so fail if we're passed those flags 562 */ 563 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) { 564 log_err("fio: Windows does not support direct or non-buffered io with" 565 " the synchronous ioengines. Use the 'windowsaio' ioengine" 566 " with 'direct=1' and 'iodepth=1' instead.\n"); 567 ret = 1; 568 } 569#endif 570 571 /* 572 * For fully compressible data, just zero them at init time. 573 * It's faster than repeatedly filling it. 574 */ 575 if (td->o.compress_percentage == 100) { 576 td->o.zero_buffers = 1; 577 td->o.compress_percentage = 0; 578 } 579 580 return ret; 581} 582 583/* 584 * This function leaks the buffer 585 */ 586static char *to_kmg(unsigned int val) 587{ 588 char *buf = malloc(32); 589 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; 590 char *p = post; 591 592 do { 593 if (val & 1023) 594 break; 595 596 val >>= 10; 597 p++; 598 } while (*p); 599 600 snprintf(buf, 31, "%u%c", val, *p); 601 return buf; 602} 603 604/* External engines are specified by "external:name.o") */ 605static const char *get_engine_name(const char *str) 606{ 607 char *p = strstr(str, ":"); 608 609 if (!p) 610 return str; 611 612 p++; 613 strip_blank_front(&p); 614 strip_blank_end(p); 615 return p; 616} 617 618static int exists_and_not_file(const char *filename) 619{ 620 struct stat sb; 621 622 if (lstat(filename, &sb) == -1) 623 return 0; 624 625 /* \\.\ is the device namespace in Windows, where every file 626 * is a device node */ 627 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) 628 return 0; 629 630 return 1; 631} 632 633static void td_fill_rand_seeds_os(struct thread_data *td) 634{ 635 os_random_seed(td->rand_seeds[0], &td->bsrange_state); 636 os_random_seed(td->rand_seeds[1], &td->verify_state); 637 os_random_seed(td->rand_seeds[2], &td->rwmix_state); 638 639 if (td->o.file_service_type == FIO_FSERVICE_RANDOM) 640 os_random_seed(td->rand_seeds[3], &td->next_file_state); 641 642 os_random_seed(td->rand_seeds[5], &td->file_size_state); 643 os_random_seed(td->rand_seeds[6], &td->trim_state); 644 645 if (!td_random(td)) 646 return; 647 648 if (td->o.rand_repeatable) 649 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; 650 651 os_random_seed(td->rand_seeds[4], &td->random_state); 652} 653 654static void td_fill_rand_seeds_internal(struct thread_data *td) 655{ 656 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); 657 init_rand_seed(&td->__verify_state, td->rand_seeds[1]); 658 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); 659 660 if (td->o.file_service_type == FIO_FSERVICE_RANDOM) 661 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); 662 663 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); 664 init_rand_seed(&td->__trim_state, td->rand_seeds[6]); 665 666 if (!td_random(td)) 667 return; 668 669 if (td->o.rand_repeatable) 670 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; 671 672 init_rand_seed(&td->__random_state, td->rand_seeds[4]); 673} 674 675void td_fill_rand_seeds(struct thread_data *td) 676{ 677 if (td->o.use_os_rand) 678 td_fill_rand_seeds_os(td); 679 else 680 td_fill_rand_seeds_internal(td); 681 682 init_rand_seed(&td->buf_state, td->rand_seeds[7]); 683} 684 685 686/* 687 * Initializes the ioengine configured for a job, if it has not been done so 688 * already. 689 */ 690int ioengine_load(struct thread_data *td) 691{ 692 const char *engine; 693 694 /* 695 * Engine has already been loaded. 696 */ 697 if (td->io_ops) 698 return 0; 699 700 engine = get_engine_name(td->o.ioengine); 701 td->io_ops = load_ioengine(td, engine); 702 if (!td->io_ops) { 703 log_err("fio: failed to load engine %s\n", engine); 704 return 1; 705 } 706 707 if (td->io_ops->option_struct_size && td->io_ops->options) { 708 /* 709 * In cases where td->eo is set, clone it for a child thread. 710 * This requires that the parent thread has the same ioengine, 711 * but that requirement must be enforced by the code which 712 * cloned the thread. 713 */ 714 void *origeo = td->eo; 715 /* 716 * Otherwise use the default thread options. 717 */ 718 if (!origeo && td != &def_thread && def_thread.eo && 719 def_thread.io_ops->options == td->io_ops->options) 720 origeo = def_thread.eo; 721 722 options_init(td->io_ops->options); 723 td->eo = malloc(td->io_ops->option_struct_size); 724 /* 725 * Use the default thread as an option template if this uses the 726 * same options structure and there are non-default options 727 * used. 728 */ 729 if (origeo) { 730 memcpy(td->eo, origeo, td->io_ops->option_struct_size); 731 options_mem_dupe(td->eo, td->io_ops->options); 732 } else { 733 memset(td->eo, 0, td->io_ops->option_struct_size); 734 fill_default_options(td->eo, td->io_ops->options); 735 } 736 *(struct thread_data **)td->eo = td; 737 } 738 739 return 0; 740} 741 742/* 743 * Adds a job to the list of things todo. Sanitizes the various options 744 * to make sure we don't have conflicts, and initializes various 745 * members of td. 746 */ 747static int add_job(struct thread_data *td, const char *jobname, int job_add_num, 748 int recursed, int client_type) 749{ 750 unsigned int i; 751 char fname[PATH_MAX]; 752 int numjobs, file_alloced; 753 754 /* 755 * the def_thread is just for options, it's not a real job 756 */ 757 if (td == &def_thread) 758 return 0; 759 760 /* 761 * if we are just dumping the output command line, don't add the job 762 */ 763 if (dump_cmdline) { 764 put_job(td); 765 return 0; 766 } 767 768 td->client_type = client_type; 769 770 if (profile_td_init(td)) 771 goto err; 772 773 if (ioengine_load(td)) 774 goto err; 775 776 if (td->o.use_thread) 777 nr_thread++; 778 else 779 nr_process++; 780 781 if (td->o.odirect) 782 td->io_ops->flags |= FIO_RAWIO; 783 784 file_alloced = 0; 785 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { 786 file_alloced = 1; 787 788 if (td->o.nr_files == 1 && exists_and_not_file(jobname)) 789 add_file(td, jobname); 790 else { 791 for (i = 0; i < td->o.nr_files; i++) { 792 sprintf(fname, "%s.%d.%d", jobname, 793 td->thread_number, i); 794 add_file(td, fname); 795 } 796 } 797 } 798 799 if (fixup_options(td)) 800 goto err; 801 802 flow_init_job(td); 803 804 /* 805 * IO engines only need this for option callbacks, and the address may 806 * change in subprocesses. 807 */ 808 if (td->eo) 809 *(struct thread_data **)td->eo = NULL; 810 811 if (td->io_ops->flags & FIO_DISKLESSIO) { 812 struct fio_file *f; 813 814 for_each_file(td, f, i) 815 f->real_file_size = -1ULL; 816 } 817 818 td->mutex = fio_mutex_init(0); 819 820 td->ts.clat_percentiles = td->o.clat_percentiles; 821 if (td->o.overwrite_plist) 822 memcpy(td->ts.percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list)); 823 else 824 memcpy(td->ts.percentile_list, def_percentile_list, sizeof(def_percentile_list)); 825 826 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; 827 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; 828 td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX; 829 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; 830 td->ddir_seq_nr = td->o.ddir_seq_nr; 831 832 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { 833 prev_group_jobs = 0; 834 groupid++; 835 } 836 837 td->groupid = groupid; 838 prev_group_jobs++; 839 840 if (init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds))) { 841 td_verror(td, errno, "init_random_state"); 842 goto err; 843 } 844 845 if (setup_rate(td)) 846 goto err; 847 848 if (td->o.write_lat_log) { 849 setup_log(&td->lat_log, td->o.log_avg_msec, IO_LOG_TYPE_LAT); 850 setup_log(&td->slat_log, td->o.log_avg_msec, IO_LOG_TYPE_SLAT); 851 setup_log(&td->clat_log, td->o.log_avg_msec, IO_LOG_TYPE_CLAT); 852 } 853 if (td->o.write_bw_log) 854 setup_log(&td->bw_log, td->o.log_avg_msec, IO_LOG_TYPE_BW); 855 if (td->o.write_iops_log) 856 setup_log(&td->iops_log, td->o.log_avg_msec, IO_LOG_TYPE_IOPS); 857 858 if (!td->o.name) 859 td->o.name = strdup(jobname); 860 861 if (!terse_output) { 862 if (!job_add_num) { 863 if (is_backend && !recursed) 864 fio_server_send_add_job(td); 865 866 if (!strcmp(td->io_ops->name, "cpuio")) { 867 log_info("%s: ioengine=cpu, cpuload=%u," 868 " cpucycle=%u\n", td->o.name, 869 td->o.cpuload, 870 td->o.cpucycle); 871 } else { 872 char *c1, *c2, *c3, *c4; 873 874 c1 = to_kmg(td->o.min_bs[DDIR_READ]); 875 c2 = to_kmg(td->o.max_bs[DDIR_READ]); 876 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); 877 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); 878 879 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," 880 " ioengine=%s, iodepth=%u\n", 881 td->o.name, td->groupid, 882 ddir_str(td->o.td_ddir), 883 c1, c2, c3, c4, 884 td->io_ops->name, 885 td->o.iodepth); 886 887 free(c1); 888 free(c2); 889 free(c3); 890 free(c4); 891 } 892 } else if (job_add_num == 1) 893 log_info("...\n"); 894 } 895 896 /* 897 * recurse add identical jobs, clear numjobs and stonewall options 898 * as they don't apply to sub-jobs 899 */ 900 numjobs = td->o.numjobs; 901 while (--numjobs) { 902 struct thread_data *td_new = get_new_job(0, td, 1); 903 904 if (!td_new) 905 goto err; 906 907 td_new->o.numjobs = 1; 908 td_new->o.stonewall = 0; 909 td_new->o.new_group = 0; 910 911 if (file_alloced) { 912 td_new->o.filename = NULL; 913 td_new->files_index = 0; 914 td_new->files_size = 0; 915 td_new->files = NULL; 916 } 917 918 job_add_num = numjobs - 1; 919 920 if (add_job(td_new, jobname, job_add_num, 1, client_type)) 921 goto err; 922 } 923 924 return 0; 925err: 926 put_job(td); 927 return -1; 928} 929 930/* 931 * Parse as if 'o' was a command line 932 */ 933void add_job_opts(const char **o, int client_type) 934{ 935 struct thread_data *td, *td_parent; 936 int i, in_global = 1; 937 char jobname[32]; 938 939 i = 0; 940 td_parent = td = NULL; 941 while (o[i]) { 942 if (!strncmp(o[i], "name", 4)) { 943 in_global = 0; 944 if (td) 945 add_job(td, jobname, 0, 0, client_type); 946 td = NULL; 947 sprintf(jobname, "%s", o[i] + 5); 948 } 949 if (in_global && !td_parent) 950 td_parent = get_new_job(1, &def_thread, 0); 951 else if (!in_global && !td) { 952 if (!td_parent) 953 td_parent = &def_thread; 954 td = get_new_job(0, td_parent, 0); 955 } 956 if (in_global) 957 fio_options_parse(td_parent, (char **) &o[i], 1); 958 else 959 fio_options_parse(td, (char **) &o[i], 1); 960 i++; 961 } 962 963 if (td) 964 add_job(td, jobname, 0, 0, client_type); 965} 966 967static int skip_this_section(const char *name) 968{ 969 int i; 970 971 if (!nr_job_sections) 972 return 0; 973 if (!strncmp(name, "global", 6)) 974 return 0; 975 976 for (i = 0; i < nr_job_sections; i++) 977 if (!strcmp(job_sections[i], name)) 978 return 0; 979 980 return 1; 981} 982 983static int is_empty_or_comment(char *line) 984{ 985 unsigned int i; 986 987 for (i = 0; i < strlen(line); i++) { 988 if (line[i] == ';') 989 return 1; 990 if (line[i] == '#') 991 return 1; 992 if (!isspace((int) line[i]) && !iscntrl((int) line[i])) 993 return 0; 994 } 995 996 return 1; 997} 998 999/* 1000 * This is our [ini] type file parser. 1001 */ 1002int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type) 1003{ 1004 unsigned int global; 1005 struct thread_data *td; 1006 char *string, *name; 1007 FILE *f; 1008 char *p; 1009 int ret = 0, stonewall; 1010 int first_sect = 1; 1011 int skip_fgets = 0; 1012 int inside_skip = 0; 1013 char **opts; 1014 int i, alloc_opts, num_opts; 1015 1016 if (is_buf) 1017 f = NULL; 1018 else { 1019 if (!strcmp(file, "-")) 1020 f = stdin; 1021 else 1022 f = fopen(file, "r"); 1023 1024 if (!f) { 1025 perror("fopen job file"); 1026 return 1; 1027 } 1028 } 1029 1030 string = malloc(4096); 1031 1032 /* 1033 * it's really 256 + small bit, 280 should suffice 1034 */ 1035 name = malloc(280); 1036 memset(name, 0, 280); 1037 1038 alloc_opts = 8; 1039 opts = malloc(sizeof(char *) * alloc_opts); 1040 num_opts = 0; 1041 1042 stonewall = stonewall_flag; 1043 do { 1044 /* 1045 * if skip_fgets is set, we already have loaded a line we 1046 * haven't handled. 1047 */ 1048 if (!skip_fgets) { 1049 if (is_buf) 1050 p = strsep(&file, "\n"); 1051 else 1052 p = fgets(string, 4096, f); 1053 if (!p) 1054 break; 1055 } 1056 1057 skip_fgets = 0; 1058 strip_blank_front(&p); 1059 strip_blank_end(p); 1060 1061 if (is_empty_or_comment(p)) 1062 continue; 1063 if (sscanf(p, "[%255[^\n]]", name) != 1) { 1064 if (inside_skip) 1065 continue; 1066 log_err("fio: option <%s> outside of [] job section\n", 1067 p); 1068 break; 1069 } 1070 1071 name[strlen(name) - 1] = '\0'; 1072 1073 if (skip_this_section(name)) { 1074 inside_skip = 1; 1075 continue; 1076 } else 1077 inside_skip = 0; 1078 1079 global = !strncmp(name, "global", 6); 1080 1081 if (dump_cmdline) { 1082 if (first_sect) 1083 log_info("fio "); 1084 if (!global) 1085 log_info("--name=%s ", name); 1086 first_sect = 0; 1087 } 1088 1089 td = get_new_job(global, &def_thread, 0); 1090 if (!td) { 1091 ret = 1; 1092 break; 1093 } 1094 1095 /* 1096 * Seperate multiple job files by a stonewall 1097 */ 1098 if (!global && stonewall) { 1099 td->o.stonewall = stonewall; 1100 stonewall = 0; 1101 } 1102 1103 num_opts = 0; 1104 memset(opts, 0, alloc_opts * sizeof(char *)); 1105 1106 while (1) { 1107 if (is_buf) 1108 p = strsep(&file, "\n"); 1109 else 1110 p = fgets(string, 4096, f); 1111 if (!p) 1112 break; 1113 1114 if (is_empty_or_comment(p)) 1115 continue; 1116 1117 strip_blank_front(&p); 1118 1119 /* 1120 * new section, break out and make sure we don't 1121 * fgets() a new line at the top. 1122 */ 1123 if (p[0] == '[') { 1124 skip_fgets = 1; 1125 break; 1126 } 1127 1128 strip_blank_end(p); 1129 1130 if (num_opts == alloc_opts) { 1131 alloc_opts <<= 1; 1132 opts = realloc(opts, 1133 alloc_opts * sizeof(char *)); 1134 } 1135 1136 opts[num_opts] = strdup(p); 1137 num_opts++; 1138 } 1139 1140 ret = fio_options_parse(td, opts, num_opts); 1141 if (!ret) { 1142 if (dump_cmdline) 1143 for (i = 0; i < num_opts; i++) 1144 log_info("--%s ", opts[i]); 1145 1146 ret = add_job(td, name, 0, 0, type); 1147 } else { 1148 log_err("fio: job %s dropped\n", name); 1149 put_job(td); 1150 } 1151 1152 for (i = 0; i < num_opts; i++) 1153 free(opts[i]); 1154 num_opts = 0; 1155 } while (!ret); 1156 1157 if (dump_cmdline) 1158 log_info("\n"); 1159 1160 i = 0; 1161 while (i < nr_job_sections) { 1162 free(job_sections[i]); 1163 i++; 1164 } 1165 1166 for (i = 0; i < num_opts; i++) 1167 free(opts[i]); 1168 1169 free(string); 1170 free(name); 1171 free(opts); 1172 if (!is_buf && f != stdin) 1173 fclose(f); 1174 return ret; 1175} 1176 1177static int fill_def_thread(void) 1178{ 1179 memset(&def_thread, 0, sizeof(def_thread)); 1180 1181 fio_getaffinity(getpid(), &def_thread.o.cpumask); 1182 def_thread.o.timeout = def_timeout; 1183 1184 /* 1185 * fill default options 1186 */ 1187 fio_fill_default_options(&def_thread); 1188 return 0; 1189} 1190 1191static void usage(const char *name) 1192{ 1193 printf("fio %s\n", fio_version_string); 1194 printf("%s [options] [job options] <job file(s)>\n", name); 1195 printf(" --debug=options\tEnable debug logging. May be one/more of:\n" 1196 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n" 1197 "\t\t\tdiskutil,job,mutex,profile,time,net\n"); 1198 printf(" --output\t\tWrite output to file\n"); 1199 printf(" --timeout\t\tRuntime in seconds\n"); 1200 printf(" --latency-log\t\tGenerate per-job latency logs\n"); 1201 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n"); 1202 printf(" --minimal\t\tMinimal (terse) output\n"); 1203 printf(" --version\t\tPrint version info and exit\n"); 1204 printf(" --terse-version=x\tSet terse version output format to 'x'\n"); 1205 printf(" --help\t\tPrint this page\n"); 1206 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of" 1207 " them\n"); 1208 printf(" --enghelp=engine\tPrint ioengine help, or list" 1209 " available ioengines\n"); 1210 printf(" --enghelp=engine,cmd\tPrint help for an ioengine" 1211 " cmd\n"); 1212 printf(" --showcmd\t\tTurn a job file into command line options\n"); 1213 printf(" --eta=when\t\tWhen ETA estimate should be printed\n"); 1214 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n"); 1215 printf(" --readonly\t\tTurn on safety read-only checks, preventing" 1216 " writes\n"); 1217 printf(" --section=name\tOnly run specified section in job file\n"); 1218 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb" 1219 " (def 1024)\n"); 1220 printf(" --warnings-fatal\tFio parser warnings are fatal\n"); 1221 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n"); 1222 printf(" --server=args\t\tStart a backend fio server\n"); 1223 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n"); 1224 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n"); 1225 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); 1226 printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); 1227} 1228 1229#ifdef FIO_INC_DEBUG 1230struct debug_level debug_levels[] = { 1231 { .name = "process", 1232 .help = "Process creation/exit logging", 1233 .shift = FD_PROCESS, 1234 }, 1235 { .name = "file", 1236 .help = "File related action logging", 1237 .shift = FD_FILE, 1238 }, 1239 { .name = "io", 1240 .help = "IO and IO engine action logging (offsets, queue, completions, etc)", 1241 .shift = FD_IO, 1242 }, 1243 { .name = "mem", 1244 .help = "Memory allocation/freeing logging", 1245 .shift = FD_MEM, 1246 }, 1247 { .name = "blktrace", 1248 .help = "blktrace action logging", 1249 .shift = FD_BLKTRACE, 1250 }, 1251 { .name = "verify", 1252 .help = "IO verification action logging", 1253 .shift = FD_VERIFY, 1254 }, 1255 { .name = "random", 1256 .help = "Random generation logging", 1257 .shift = FD_RANDOM, 1258 }, 1259 { .name = "parse", 1260 .help = "Parser logging", 1261 .shift = FD_PARSE, 1262 }, 1263 { .name = "diskutil", 1264 .help = "Disk utility logging actions", 1265 .shift = FD_DISKUTIL, 1266 }, 1267 { .name = "job", 1268 .help = "Logging related to creating/destroying jobs", 1269 .shift = FD_JOB, 1270 }, 1271 { .name = "mutex", 1272 .help = "Mutex logging", 1273 .shift = FD_MUTEX 1274 }, 1275 { .name = "profile", 1276 .help = "Logging related to profiles", 1277 .shift = FD_PROFILE, 1278 }, 1279 { .name = "time", 1280 .help = "Logging related to time keeping functions", 1281 .shift = FD_TIME, 1282 }, 1283 { .name = "net", 1284 .help = "Network logging", 1285 .shift = FD_NET, 1286 }, 1287 { .name = NULL, }, 1288}; 1289 1290static int set_debug(const char *string) 1291{ 1292 struct debug_level *dl; 1293 char *p = (char *) string; 1294 char *opt; 1295 int i; 1296 1297 if (!strcmp(string, "?") || !strcmp(string, "help")) { 1298 log_info("fio: dumping debug options:"); 1299 for (i = 0; debug_levels[i].name; i++) { 1300 dl = &debug_levels[i]; 1301 log_info("%s,", dl->name); 1302 } 1303 log_info("all\n"); 1304 return 1; 1305 } 1306 1307 while ((opt = strsep(&p, ",")) != NULL) { 1308 int found = 0; 1309 1310 if (!strncmp(opt, "all", 3)) { 1311 log_info("fio: set all debug options\n"); 1312 fio_debug = ~0UL; 1313 continue; 1314 } 1315 1316 for (i = 0; debug_levels[i].name; i++) { 1317 dl = &debug_levels[i]; 1318 found = !strncmp(opt, dl->name, strlen(dl->name)); 1319 if (!found) 1320 continue; 1321 1322 if (dl->shift == FD_JOB) { 1323 opt = strchr(opt, ':'); 1324 if (!opt) { 1325 log_err("fio: missing job number\n"); 1326 break; 1327 } 1328 opt++; 1329 fio_debug_jobno = atoi(opt); 1330 log_info("fio: set debug jobno %d\n", 1331 fio_debug_jobno); 1332 } else { 1333 log_info("fio: set debug option %s\n", opt); 1334 fio_debug |= (1UL << dl->shift); 1335 } 1336 break; 1337 } 1338 1339 if (!found) 1340 log_err("fio: debug mask %s not found\n", opt); 1341 } 1342 return 0; 1343} 1344#else 1345static int set_debug(const char *string) 1346{ 1347 log_err("fio: debug tracing not included in build\n"); 1348 return 1; 1349} 1350#endif 1351 1352static void fio_options_fill_optstring(void) 1353{ 1354 char *ostr = cmd_optstr; 1355 int i, c; 1356 1357 c = i = 0; 1358 while (l_opts[i].name) { 1359 ostr[c++] = l_opts[i].val; 1360 if (l_opts[i].has_arg == required_argument) 1361 ostr[c++] = ':'; 1362 else if (l_opts[i].has_arg == optional_argument) { 1363 ostr[c++] = ':'; 1364 ostr[c++] = ':'; 1365 } 1366 i++; 1367 } 1368 ostr[c] = '\0'; 1369} 1370 1371static int client_flag_set(char c) 1372{ 1373 int i; 1374 1375 i = 0; 1376 while (l_opts[i].name) { 1377 int val = l_opts[i].val; 1378 1379 if (c == (val & 0xff)) 1380 return (val & FIO_CLIENT_FLAG); 1381 1382 i++; 1383 } 1384 1385 return 0; 1386} 1387 1388void parse_cmd_client(void *client, char *opt) 1389{ 1390 fio_client_add_cmd_option(client, opt); 1391} 1392 1393int parse_cmd_line(int argc, char *argv[], int client_type) 1394{ 1395 struct thread_data *td = NULL; 1396 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; 1397 char *ostr = cmd_optstr; 1398 void *pid_file = NULL; 1399 void *cur_client = NULL; 1400 int backend = 0; 1401 1402 /* 1403 * Reset optind handling, since we may call this multiple times 1404 * for the backend. 1405 */ 1406 optind = 1; 1407 1408 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { 1409 did_arg = 1; 1410 1411 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) { 1412 parse_cmd_client(cur_client, argv[optind - 1]); 1413 c &= ~FIO_CLIENT_FLAG; 1414 } 1415 1416 switch (c) { 1417 case 'a': 1418 smalloc_pool_size = atoi(optarg); 1419 break; 1420 case 't': 1421 def_timeout = atoi(optarg); 1422 break; 1423 case 'l': 1424 write_lat_log = 1; 1425 break; 1426 case 'b': 1427 write_bw_log = 1; 1428 break; 1429 case 'o': 1430 f_out = fopen(optarg, "w+"); 1431 if (!f_out) { 1432 perror("fopen output"); 1433 exit(1); 1434 } 1435 f_err = f_out; 1436 break; 1437 case 'm': 1438 terse_output = 1; 1439 break; 1440 case 'h': 1441 if (!cur_client) { 1442 usage(argv[0]); 1443 do_exit++; 1444 } 1445 break; 1446 case 'c': 1447 if (!cur_client) { 1448 fio_show_option_help(optarg); 1449 do_exit++; 1450 } 1451 break; 1452 case 'i': 1453 if (!cur_client) { 1454 fio_show_ioengine_help(optarg); 1455 do_exit++; 1456 } 1457 break; 1458 case 's': 1459 dump_cmdline = 1; 1460 break; 1461 case 'r': 1462 read_only = 1; 1463 break; 1464 case 'v': 1465 if (!cur_client) { 1466 log_info("fio %s\n", fio_version_string); 1467 do_exit++; 1468 } 1469 break; 1470 case 'V': 1471 terse_version = atoi(optarg); 1472 if (!(terse_version == 2 || terse_version == 3)) { 1473 log_err("fio: bad terse version format\n"); 1474 exit_val = 1; 1475 do_exit++; 1476 } 1477 break; 1478 case 'e': 1479 if (!strcmp("always", optarg)) 1480 eta_print = FIO_ETA_ALWAYS; 1481 else if (!strcmp("never", optarg)) 1482 eta_print = FIO_ETA_NEVER; 1483 break; 1484 case 'd': 1485 if (set_debug(optarg)) 1486 do_exit++; 1487 break; 1488 case 'x': { 1489 size_t new_size; 1490 1491 if (!strcmp(optarg, "global")) { 1492 log_err("fio: can't use global as only " 1493 "section\n"); 1494 do_exit++; 1495 exit_val = 1; 1496 break; 1497 } 1498 new_size = (nr_job_sections + 1) * sizeof(char *); 1499 job_sections = realloc(job_sections, new_size); 1500 job_sections[nr_job_sections] = strdup(optarg); 1501 nr_job_sections++; 1502 break; 1503 } 1504 case 'p': 1505 exec_profile = strdup(optarg); 1506 break; 1507 case FIO_GETOPT_JOB: { 1508 const char *opt = l_opts[lidx].name; 1509 char *val = optarg; 1510 1511 if (!strncmp(opt, "name", 4) && td) { 1512 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); 1513 if (ret) 1514 return 0; 1515 td = NULL; 1516 } 1517 if (!td) { 1518 int is_section = !strncmp(opt, "name", 4); 1519 int global = 0; 1520 1521 if (!is_section || !strncmp(val, "global", 6)) 1522 global = 1; 1523 1524 if (is_section && skip_this_section(val)) 1525 continue; 1526 1527 td = get_new_job(global, &def_thread, 1); 1528 if (!td || ioengine_load(td)) 1529 return 0; 1530 fio_options_set_ioengine_opts(l_opts, td); 1531 } 1532 1533 ret = fio_cmd_option_parse(td, opt, val); 1534 1535 if (!ret && !strcmp(opt, "ioengine")) { 1536 free_ioengine(td); 1537 if (ioengine_load(td)) 1538 return 0; 1539 fio_options_set_ioengine_opts(l_opts, td); 1540 } 1541 break; 1542 } 1543 case FIO_GETOPT_IOENGINE: { 1544 const char *opt = l_opts[lidx].name; 1545 char *val = optarg; 1546 opt = l_opts[lidx].name; 1547 val = optarg; 1548 ret = fio_cmd_ioengine_option_parse(td, opt, val); 1549 break; 1550 } 1551 case 'w': 1552 warnings_fatal = 1; 1553 break; 1554 case 'j': 1555 max_jobs = atoi(optarg); 1556 if (!max_jobs || max_jobs > REAL_MAX_JOBS) { 1557 log_err("fio: invalid max jobs: %d\n", max_jobs); 1558 do_exit++; 1559 exit_val = 1; 1560 } 1561 break; 1562 case 'S': 1563 if (nr_clients) { 1564 log_err("fio: can't be both client and server\n"); 1565 do_exit++; 1566 exit_val = 1; 1567 break; 1568 } 1569 if (optarg) 1570 fio_server_set_arg(optarg); 1571 is_backend = 1; 1572 backend = 1; 1573 break; 1574 case 'D': 1575 pid_file = strdup(optarg); 1576 break; 1577 case 'C': 1578 if (is_backend) { 1579 log_err("fio: can't be both client and server\n"); 1580 do_exit++; 1581 exit_val = 1; 1582 break; 1583 } 1584 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) { 1585 log_err("fio: failed adding client %s\n", optarg); 1586 do_exit++; 1587 exit_val = 1; 1588 break; 1589 } 1590 break; 1591 default: 1592 do_exit++; 1593 exit_val = 1; 1594 break; 1595 } 1596 if (do_exit) 1597 break; 1598 } 1599 1600 if (do_exit) { 1601 if (exit_val && !(is_backend || nr_clients)) 1602 exit(exit_val); 1603 } 1604 1605 if (nr_clients && fio_clients_connect()) { 1606 do_exit++; 1607 exit_val = 1; 1608 return -1; 1609 } 1610 1611 if (is_backend && backend) 1612 return fio_start_server(pid_file); 1613 1614 if (td) { 1615 if (!ret) 1616 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); 1617 } 1618 1619 while (!ret && optind < argc) { 1620 ini_idx++; 1621 ini_file = realloc(ini_file, ini_idx * sizeof(char *)); 1622 ini_file[ini_idx - 1] = strdup(argv[optind]); 1623 optind++; 1624 } 1625 1626 return ini_idx; 1627} 1628 1629int fio_init_options(void) 1630{ 1631 f_out = stdout; 1632 f_err = stderr; 1633 1634 fio_options_fill_optstring(); 1635 fio_options_dup_and_init(l_opts); 1636 1637 atexit(free_shm); 1638 1639 if (fill_def_thread()) 1640 return 1; 1641 1642 return 0; 1643} 1644 1645extern int fio_check_options(struct thread_options *); 1646 1647int parse_options(int argc, char *argv[]) 1648{ 1649 const int type = FIO_CLIENT_TYPE_CLI; 1650 int job_files, i; 1651 1652 if (fio_init_options()) 1653 return 1; 1654 if (fio_test_cconv(&def_thread.o)) 1655 log_err("fio: failed internal cconv test\n"); 1656 1657 job_files = parse_cmd_line(argc, argv, type); 1658 1659 if (job_files > 0) { 1660 for (i = 0; i < job_files; i++) { 1661 if (fill_def_thread()) 1662 return 1; 1663 if (nr_clients) { 1664 if (fio_clients_send_ini(ini_file[i])) 1665 return 1; 1666 free(ini_file[i]); 1667 } else if (!is_backend) { 1668 if (parse_jobs_ini(ini_file[i], 0, i, type)) 1669 return 1; 1670 free(ini_file[i]); 1671 } 1672 } 1673 } 1674 1675 free(ini_file); 1676 fio_options_free(&def_thread); 1677 1678 if (!thread_number) { 1679 if (dump_cmdline) 1680 return 0; 1681 if (exec_profile) 1682 return 0; 1683 if (is_backend || nr_clients) 1684 return 0; 1685 if (did_arg) 1686 return 0; 1687 1688 log_err("No jobs(s) defined\n\n"); 1689 1690 if (!did_arg) { 1691 usage(argv[0]); 1692 return 1; 1693 } 1694 1695 return 0; 1696 } 1697 1698 if (def_thread.o.gtod_offload) { 1699 fio_gtod_init(); 1700 fio_gtod_offload = 1; 1701 fio_gtod_cpu = def_thread.o.gtod_cpu; 1702 } 1703 1704 if (!terse_output) 1705 log_info("fio %s\n", fio_version_string); 1706 1707 return 0; 1708} 1709