init.c revision d79db1222039e906dd49ae290daa59701f4e2385
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 26const char fio_version_string[] = FIO_VERSION; 27 28#define FIO_RANDSEED (0xb1899bedUL) 29 30static char **ini_file; 31static int max_jobs = FIO_MAX_JOBS; 32static int dump_cmdline; 33static int def_timeout; 34 35static struct thread_data def_thread; 36struct thread_data *threads = NULL; 37 38int exitall_on_terminate = 0; 39int output_format = FIO_OUTPUT_NORMAL; 40int eta_print; 41FILE *f_out = NULL; 42FILE *f_err = NULL; 43char **job_sections = NULL; 44int nr_job_sections = 0; 45char *exec_profile = NULL; 46int warnings_fatal = 0; 47int terse_version = 3; 48int is_backend = 0; 49int nr_clients = 0; 50int log_syslog = 0; 51 52int write_bw_log = 0; 53int read_only = 0; 54 55static int write_lat_log; 56 57static int prev_group_jobs; 58 59unsigned long fio_debug = 0; 60unsigned int fio_debug_jobno = -1; 61unsigned int *fio_debug_jobp = NULL; 62 63static char cmd_optstr[256]; 64static int did_arg; 65 66const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN] = { 67 { .u.f = 1.00 }, 68 { .u.f = 5.00 }, 69 { .u.f = 10.00 }, 70 { .u.f = 20.00 }, 71 { .u.f = 30.00 }, 72 { .u.f = 40.00 }, 73 { .u.f = 50.00 }, 74 { .u.f = 60.00 }, 75 { .u.f = 70.00 }, 76 { .u.f = 80.00 }, 77 { .u.f = 90.00 }, 78 { .u.f = 95.00 }, 79 { .u.f = 99.00 }, 80 { .u.f = 99.50 }, 81 { .u.f = 99.90 }, 82 { .u.f = 99.95 }, 83 { .u.f = 99.99 }, 84}; 85 86#define FIO_CLIENT_FLAG (1 << 16) 87 88/* 89 * Command line options. These will contain the above, plus a few 90 * extra that only pertain to fio itself and not jobs. 91 */ 92static struct option l_opts[FIO_NR_OPTIONS] = { 93 { 94 .name = (char *) "output", 95 .has_arg = required_argument, 96 .val = 'o' | FIO_CLIENT_FLAG, 97 }, 98 { 99 .name = (char *) "timeout", 100 .has_arg = required_argument, 101 .val = 't' | FIO_CLIENT_FLAG, 102 }, 103 { 104 .name = (char *) "latency-log", 105 .has_arg = required_argument, 106 .val = 'l' | FIO_CLIENT_FLAG, 107 }, 108 { 109 .name = (char *) "bandwidth-log", 110 .has_arg = required_argument, 111 .val = 'b' | FIO_CLIENT_FLAG, 112 }, 113 { 114 .name = (char *) "minimal", 115 .has_arg = optional_argument, 116 .val = 'm' | FIO_CLIENT_FLAG, 117 }, 118 { 119 .name = (char *) "output-format", 120 .has_arg = optional_argument, 121 .val = 'F' | FIO_CLIENT_FLAG, 122 }, 123 { 124 .name = (char *) "version", 125 .has_arg = no_argument, 126 .val = 'v' | FIO_CLIENT_FLAG, 127 }, 128 { 129 .name = (char *) "help", 130 .has_arg = no_argument, 131 .val = 'h' | FIO_CLIENT_FLAG, 132 }, 133 { 134 .name = (char *) "cmdhelp", 135 .has_arg = optional_argument, 136 .val = 'c' | FIO_CLIENT_FLAG, 137 }, 138 { 139 .name = (char *) "enghelp", 140 .has_arg = optional_argument, 141 .val = 'i' | FIO_CLIENT_FLAG, 142 }, 143 { 144 .name = (char *) "showcmd", 145 .has_arg = no_argument, 146 .val = 's' | FIO_CLIENT_FLAG, 147 }, 148 { 149 .name = (char *) "readonly", 150 .has_arg = no_argument, 151 .val = 'r' | FIO_CLIENT_FLAG, 152 }, 153 { 154 .name = (char *) "eta", 155 .has_arg = required_argument, 156 .val = 'e' | FIO_CLIENT_FLAG, 157 }, 158 { 159 .name = (char *) "debug", 160 .has_arg = required_argument, 161 .val = 'd' | FIO_CLIENT_FLAG, 162 }, 163 { 164 .name = (char *) "section", 165 .has_arg = required_argument, 166 .val = 'x' | FIO_CLIENT_FLAG, 167 }, 168 { 169 .name = (char *) "alloc-size", 170 .has_arg = required_argument, 171 .val = 'a' | FIO_CLIENT_FLAG, 172 }, 173 { 174 .name = (char *) "profile", 175 .has_arg = required_argument, 176 .val = 'p' | FIO_CLIENT_FLAG, 177 }, 178 { 179 .name = (char *) "warnings-fatal", 180 .has_arg = no_argument, 181 .val = 'w' | FIO_CLIENT_FLAG, 182 }, 183 { 184 .name = (char *) "max-jobs", 185 .has_arg = required_argument, 186 .val = 'j' | FIO_CLIENT_FLAG, 187 }, 188 { 189 .name = (char *) "terse-version", 190 .has_arg = required_argument, 191 .val = 'V' | FIO_CLIENT_FLAG, 192 }, 193 { 194 .name = (char *) "server", 195 .has_arg = optional_argument, 196 .val = 'S', 197 }, 198 { .name = (char *) "daemonize", 199 .has_arg = required_argument, 200 .val = 'D', 201 }, 202 { 203 .name = (char *) "client", 204 .has_arg = required_argument, 205 .val = 'C', 206 }, 207 { 208 .name = NULL, 209 }, 210}; 211 212void free_threads_shm(void) 213{ 214 struct shmid_ds sbuf; 215 216 if (threads) { 217 void *tp = threads; 218 219 threads = NULL; 220 shmdt(tp); 221 shmctl(shm_id, IPC_RMID, &sbuf); 222 shm_id = -1; 223 } 224} 225 226void free_shm(void) 227{ 228 if (threads) { 229 file_hash_exit(); 230 flow_exit(); 231 fio_debug_jobp = NULL; 232 free_threads_shm(); 233 } 234 235 scleanup(); 236} 237 238/* 239 * The thread area is shared between the main process and the job 240 * threads/processes. So setup a shared memory segment that will hold 241 * all the job info. We use the end of the region for keeping track of 242 * open files across jobs, for file sharing. 243 */ 244static int setup_thread_area(void) 245{ 246 void *hash; 247 248 if (threads) 249 return 0; 250 251 /* 252 * 1024 is too much on some machines, scale max_jobs if 253 * we get a failure that looks like too large a shm segment 254 */ 255 do { 256 size_t size = max_jobs * sizeof(struct thread_data); 257 258 size += file_hash_size; 259 size += sizeof(unsigned int); 260 261 shm_id = shmget(0, size, IPC_CREAT | 0600); 262 if (shm_id != -1) 263 break; 264 if (errno != EINVAL && errno != ENOMEM) { 265 perror("shmget"); 266 break; 267 } 268 269 max_jobs >>= 1; 270 } while (max_jobs); 271 272 if (shm_id == -1) 273 return 1; 274 275 threads = shmat(shm_id, NULL, 0); 276 if (threads == (void *) -1) { 277 perror("shmat"); 278 return 1; 279 } 280 281 memset(threads, 0, max_jobs * sizeof(struct thread_data)); 282 hash = (void *) threads + max_jobs * sizeof(struct thread_data); 283 fio_debug_jobp = (void *) hash + file_hash_size; 284 *fio_debug_jobp = -1; 285 file_hash_init(hash); 286 287 flow_init(); 288 289 return 0; 290} 291 292/* 293 * Return a free job structure. 294 */ 295static struct thread_data *get_new_job(int global, struct thread_data *parent, 296 int preserve_eo) 297{ 298 struct thread_data *td; 299 300 if (global) 301 return &def_thread; 302 if (setup_thread_area()) { 303 log_err("error: failed to setup shm segment\n"); 304 return NULL; 305 } 306 if (thread_number >= max_jobs) { 307 log_err("error: maximum number of jobs (%d) reached.\n", 308 max_jobs); 309 return NULL; 310 } 311 312 td = &threads[thread_number++]; 313 *td = *parent; 314 315 td->io_ops = NULL; 316 if (!preserve_eo) 317 td->eo = NULL; 318 319 td->o.uid = td->o.gid = -1U; 320 321 dup_files(td, parent); 322 fio_options_mem_dupe(td); 323 324 profile_add_hooks(td); 325 326 td->thread_number = thread_number; 327 return td; 328} 329 330static void put_job(struct thread_data *td) 331{ 332 if (td == &def_thread) 333 return; 334 335 profile_td_exit(td); 336 flow_exit_job(td); 337 338 if (td->error) 339 log_info("fio: %s\n", td->verror); 340 341 fio_options_free(td); 342 if (td->io_ops) 343 free_ioengine(td); 344 345 memset(&threads[td->thread_number - 1], 0, sizeof(*td)); 346 thread_number--; 347} 348 349static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) 350{ 351 unsigned int bs = td->o.min_bs[ddir]; 352 353 assert(ddir_rw(ddir)); 354 355 if (td->o.rate[ddir]) 356 td->rate_bps[ddir] = td->o.rate[ddir]; 357 else 358 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs; 359 360 if (!td->rate_bps[ddir]) { 361 log_err("rate lower than supported\n"); 362 return -1; 363 } 364 365 td->rate_pending_usleep[ddir] = 0; 366 return 0; 367} 368 369static int setup_rate(struct thread_data *td) 370{ 371 int ret = 0; 372 373 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) 374 ret = __setup_rate(td, DDIR_READ); 375 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) 376 ret |= __setup_rate(td, DDIR_WRITE); 377 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM]) 378 ret |= __setup_rate(td, DDIR_TRIM); 379 380 return ret; 381} 382 383static int fixed_block_size(struct thread_options *o) 384{ 385 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && 386 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && 387 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] && 388 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] && 389 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM]; 390} 391 392/* 393 * Lazy way of fixing up options that depend on each other. We could also 394 * define option callback handlers, but this is easier. 395 */ 396static int fixup_options(struct thread_data *td) 397{ 398 struct thread_options *o = &td->o; 399 int ret = 0; 400 401#ifndef FIO_HAVE_PSHARED_MUTEX 402 if (!o->use_thread) { 403 log_info("fio: this platform does not support process shared" 404 " mutexes, forcing use of threads. Use the 'thread'" 405 " option to get rid of this warning.\n"); 406 o->use_thread = 1; 407 ret = warnings_fatal; 408 } 409#endif 410 411 if (o->write_iolog_file && o->read_iolog_file) { 412 log_err("fio: read iolog overrides write_iolog\n"); 413 free(o->write_iolog_file); 414 o->write_iolog_file = NULL; 415 ret = warnings_fatal; 416 } 417 418 /* 419 * only really works with 1 file 420 */ 421 if (o->zone_size && o->open_files == 1) 422 o->zone_size = 0; 423 424 /* 425 * If zone_range isn't specified, backward compatibility dictates it 426 * should be made equal to zone_size. 427 */ 428 if (o->zone_size && !o->zone_range) 429 o->zone_range = o->zone_size; 430 431 /* 432 * Reads can do overwrites, we always need to pre-create the file 433 */ 434 if (td_read(td) || td_rw(td)) 435 o->overwrite = 1; 436 437 if (!o->min_bs[DDIR_READ]) 438 o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; 439 if (!o->max_bs[DDIR_READ]) 440 o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; 441 if (!o->min_bs[DDIR_WRITE]) 442 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; 443 if (!o->max_bs[DDIR_WRITE]) 444 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; 445 if (!o->min_bs[DDIR_TRIM]) 446 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM]; 447 if (!o->max_bs[DDIR_TRIM]) 448 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM]; 449 450 451 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); 452 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs); 453 454 /* 455 * For random IO, allow blockalign offset other than min_bs. 456 */ 457 if (!o->ba[DDIR_READ] || !td_random(td)) 458 o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; 459 if (!o->ba[DDIR_WRITE] || !td_random(td)) 460 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; 461 if (!o->ba[DDIR_TRIM] || !td_random(td)) 462 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM]; 463 464 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || 465 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] || 466 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) && 467 !o->norandommap) { 468 log_err("fio: Any use of blockalign= turns off randommap\n"); 469 o->norandommap = 1; 470 ret = warnings_fatal; 471 } 472 473 if (!o->file_size_high) 474 o->file_size_high = o->file_size_low; 475 476 if (o->norandommap && o->verify != VERIFY_NONE 477 && !fixed_block_size(o)) { 478 log_err("fio: norandommap given for variable block sizes, " 479 "verify disabled\n"); 480 o->verify = VERIFY_NONE; 481 ret = warnings_fatal; 482 } 483 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) 484 log_err("fio: bs_unaligned may not work with raw io\n"); 485 486 /* 487 * thinktime_spin must be less than thinktime 488 */ 489 if (o->thinktime_spin > o->thinktime) 490 o->thinktime_spin = o->thinktime; 491 492 /* 493 * The low water mark cannot be bigger than the iodepth 494 */ 495 if (o->iodepth_low > o->iodepth || !o->iodepth_low) { 496 /* 497 * syslet work around - if the workload is sequential, 498 * we want to let the queue drain all the way down to 499 * avoid seeking between async threads 500 */ 501 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) 502 o->iodepth_low = 1; 503 else 504 o->iodepth_low = o->iodepth; 505 } 506 507 /* 508 * If batch number isn't set, default to the same as iodepth 509 */ 510 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) 511 o->iodepth_batch = o->iodepth; 512 513 if (o->nr_files > td->files_index) 514 o->nr_files = td->files_index; 515 516 if (o->open_files > o->nr_files || !o->open_files) 517 o->open_files = o->nr_files; 518 519 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) && 520 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) || 521 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) && 522 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) { 523 log_err("fio: rate and rate_iops are mutually exclusive\n"); 524 ret = 1; 525 } 526 if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) || 527 (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) || 528 (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) || 529 (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) || 530 (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) || 531 (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) { 532 log_err("fio: minimum rate exceeds rate\n"); 533 ret = 1; 534 } 535 536 if (!o->timeout && o->time_based) { 537 log_err("fio: time_based requires a runtime/timeout setting\n"); 538 o->time_based = 0; 539 ret = warnings_fatal; 540 } 541 542 if (o->fill_device && !o->size) 543 o->size = -1ULL; 544 545 if (o->verify != VERIFY_NONE) { 546 if (td_write(td) && o->do_verify && o->numjobs > 1) { 547 log_info("Multiple writers may overwrite blocks that " 548 "belong to other jobs. This can cause " 549 "verification failures.\n"); 550 ret = warnings_fatal; 551 } 552 553 o->refill_buffers = 1; 554 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && 555 !o->verify_interval) 556 o->verify_interval = o->min_bs[DDIR_WRITE]; 557 } 558 559 if (o->pre_read) { 560 o->invalidate_cache = 0; 561 if (td->io_ops->flags & FIO_PIPEIO) { 562 log_info("fio: cannot pre-read files with an IO engine" 563 " that isn't seekable. Pre-read disabled.\n"); 564 ret = warnings_fatal; 565 } 566 } 567 568#ifndef FIO_HAVE_FDATASYNC 569 if (o->fdatasync_blocks) { 570 log_info("fio: this platform does not support fdatasync()" 571 " falling back to using fsync(). Use the 'fsync'" 572 " option instead of 'fdatasync' to get rid of" 573 " this warning\n"); 574 o->fsync_blocks = o->fdatasync_blocks; 575 o->fdatasync_blocks = 0; 576 ret = warnings_fatal; 577 } 578#endif 579 580#ifdef WIN32 581 /* 582 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface, 583 * so fail if we're passed those flags 584 */ 585 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) { 586 log_err("fio: Windows does not support direct or non-buffered io with" 587 " the synchronous ioengines. Use the 'windowsaio' ioengine" 588 " with 'direct=1' and 'iodepth=1' instead.\n"); 589 ret = 1; 590 } 591#endif 592 593 /* 594 * For fully compressible data, just zero them at init time. 595 * It's faster than repeatedly filling it. 596 */ 597 if (td->o.compress_percentage == 100) { 598 td->o.zero_buffers = 1; 599 td->o.compress_percentage = 0; 600 } 601 602 return ret; 603} 604 605/* 606 * This function leaks the buffer 607 */ 608char *fio_uint_to_kmg(unsigned int val) 609{ 610 char *buf = malloc(32); 611 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; 612 char *p = post; 613 614 do { 615 if (val & 1023) 616 break; 617 618 val >>= 10; 619 p++; 620 } while (*p); 621 622 snprintf(buf, 31, "%u%c", val, *p); 623 return buf; 624} 625 626/* External engines are specified by "external:name.o") */ 627static const char *get_engine_name(const char *str) 628{ 629 char *p = strstr(str, ":"); 630 631 if (!p) 632 return str; 633 634 p++; 635 strip_blank_front(&p); 636 strip_blank_end(p); 637 return p; 638} 639 640static int exists_and_not_file(const char *filename) 641{ 642 struct stat sb; 643 644 if (lstat(filename, &sb) == -1) 645 return 0; 646 647 /* \\.\ is the device namespace in Windows, where every file 648 * is a device node */ 649 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) 650 return 0; 651 652 return 1; 653} 654 655static void td_fill_rand_seeds_os(struct thread_data *td) 656{ 657 os_random_seed(td->rand_seeds[0], &td->bsrange_state); 658 os_random_seed(td->rand_seeds[1], &td->verify_state); 659 os_random_seed(td->rand_seeds[2], &td->rwmix_state); 660 661 if (td->o.file_service_type == FIO_FSERVICE_RANDOM) 662 os_random_seed(td->rand_seeds[3], &td->next_file_state); 663 664 os_random_seed(td->rand_seeds[5], &td->file_size_state); 665 os_random_seed(td->rand_seeds[6], &td->trim_state); 666 667 if (!td_random(td)) 668 return; 669 670 if (td->o.rand_repeatable) 671 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; 672 673 os_random_seed(td->rand_seeds[4], &td->random_state); 674} 675 676static void td_fill_rand_seeds_internal(struct thread_data *td) 677{ 678 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); 679 init_rand_seed(&td->__verify_state, td->rand_seeds[1]); 680 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); 681 682 if (td->o.file_service_type == FIO_FSERVICE_RANDOM) 683 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); 684 685 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); 686 init_rand_seed(&td->__trim_state, td->rand_seeds[6]); 687 688 if (!td_random(td)) 689 return; 690 691 if (td->o.rand_repeatable) 692 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; 693 694 init_rand_seed(&td->__random_state, td->rand_seeds[4]); 695} 696 697void td_fill_rand_seeds(struct thread_data *td) 698{ 699 if (td->o.use_os_rand) 700 td_fill_rand_seeds_os(td); 701 else 702 td_fill_rand_seeds_internal(td); 703 704 init_rand_seed(&td->buf_state, td->rand_seeds[7]); 705} 706 707 708/* 709 * Initializes the ioengine configured for a job, if it has not been done so 710 * already. 711 */ 712int ioengine_load(struct thread_data *td) 713{ 714 const char *engine; 715 716 /* 717 * Engine has already been loaded. 718 */ 719 if (td->io_ops) 720 return 0; 721 722 engine = get_engine_name(td->o.ioengine); 723 td->io_ops = load_ioengine(td, engine); 724 if (!td->io_ops) { 725 log_err("fio: failed to load engine %s\n", engine); 726 return 1; 727 } 728 729 if (td->io_ops->option_struct_size && td->io_ops->options) { 730 /* 731 * In cases where td->eo is set, clone it for a child thread. 732 * This requires that the parent thread has the same ioengine, 733 * but that requirement must be enforced by the code which 734 * cloned the thread. 735 */ 736 void *origeo = td->eo; 737 /* 738 * Otherwise use the default thread options. 739 */ 740 if (!origeo && td != &def_thread && def_thread.eo && 741 def_thread.io_ops->options == td->io_ops->options) 742 origeo = def_thread.eo; 743 744 options_init(td->io_ops->options); 745 td->eo = malloc(td->io_ops->option_struct_size); 746 /* 747 * Use the default thread as an option template if this uses the 748 * same options structure and there are non-default options 749 * used. 750 */ 751 if (origeo) { 752 memcpy(td->eo, origeo, td->io_ops->option_struct_size); 753 options_mem_dupe(td->eo, td->io_ops->options); 754 } else { 755 memset(td->eo, 0, td->io_ops->option_struct_size); 756 fill_default_options(td->eo, td->io_ops->options); 757 } 758 *(struct thread_data **)td->eo = td; 759 } 760 761 return 0; 762} 763 764/* 765 * Adds a job to the list of things todo. Sanitizes the various options 766 * to make sure we don't have conflicts, and initializes various 767 * members of td. 768 */ 769static int add_job(struct thread_data *td, const char *jobname, int job_add_num, 770 int recursed, int client_type) 771{ 772 unsigned int i; 773 char fname[PATH_MAX]; 774 int numjobs, file_alloced; 775 776 /* 777 * the def_thread is just for options, it's not a real job 778 */ 779 if (td == &def_thread) 780 return 0; 781 782 /* 783 * if we are just dumping the output command line, don't add the job 784 */ 785 if (dump_cmdline) { 786 put_job(td); 787 return 0; 788 } 789 790 td->client_type = client_type; 791 792 if (profile_td_init(td)) 793 goto err; 794 795 if (ioengine_load(td)) 796 goto err; 797 798 if (td->o.odirect) 799 td->io_ops->flags |= FIO_RAWIO; 800 801 file_alloced = 0; 802 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { 803 file_alloced = 1; 804 805 if (td->o.nr_files == 1 && exists_and_not_file(jobname)) 806 add_file(td, jobname); 807 else { 808 for (i = 0; i < td->o.nr_files; i++) { 809 sprintf(fname, "%s.%d.%d", jobname, 810 td->thread_number, i); 811 add_file(td, fname); 812 } 813 } 814 } 815 816 if (fixup_options(td)) 817 goto err; 818 819 flow_init_job(td); 820 821 /* 822 * IO engines only need this for option callbacks, and the address may 823 * change in subprocesses. 824 */ 825 if (td->eo) 826 *(struct thread_data **)td->eo = NULL; 827 828 if (td->io_ops->flags & FIO_DISKLESSIO) { 829 struct fio_file *f; 830 831 for_each_file(td, f, i) 832 f->real_file_size = -1ULL; 833 } 834 835 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED); 836 837 td->ts.clat_percentiles = td->o.clat_percentiles; 838 if (td->o.overwrite_plist) 839 memcpy(td->ts.percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list)); 840 else 841 memcpy(td->ts.percentile_list, def_percentile_list, sizeof(def_percentile_list)); 842 843 for (i = 0; i < DDIR_RWDIR_CNT; i++) { 844 td->ts.clat_stat[i].min_val = ULONG_MAX; 845 td->ts.slat_stat[i].min_val = ULONG_MAX; 846 td->ts.lat_stat[i].min_val = ULONG_MAX; 847 td->ts.bw_stat[i].min_val = ULONG_MAX; 848 } 849 td->ddir_seq_nr = td->o.ddir_seq_nr; 850 851 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { 852 prev_group_jobs = 0; 853 groupid++; 854 } 855 856 td->groupid = groupid; 857 prev_group_jobs++; 858 859 if (init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds))) { 860 td_verror(td, errno, "init_random_state"); 861 goto err; 862 } 863 864 if (setup_rate(td)) 865 goto err; 866 867 if (td->o.lat_log_file) { 868 setup_log(&td->lat_log, td->o.log_avg_msec, IO_LOG_TYPE_LAT); 869 setup_log(&td->slat_log, td->o.log_avg_msec, IO_LOG_TYPE_SLAT); 870 setup_log(&td->clat_log, td->o.log_avg_msec, IO_LOG_TYPE_CLAT); 871 } 872 if (td->o.bw_log_file) 873 setup_log(&td->bw_log, td->o.log_avg_msec, IO_LOG_TYPE_BW); 874 if (td->o.iops_log_file) 875 setup_log(&td->iops_log, td->o.log_avg_msec, IO_LOG_TYPE_IOPS); 876 877 if (!td->o.name) 878 td->o.name = strdup(jobname); 879 880 if (output_format == FIO_OUTPUT_NORMAL) { 881 if (!job_add_num) { 882 if (is_backend && !recursed) 883 fio_server_send_add_job(td); 884 885 if (!(td->io_ops->flags & FIO_NOIO)) { 886 char *c1, *c2, *c3, *c4, *c5, *c6; 887 888 c1 = fio_uint_to_kmg(td->o.min_bs[DDIR_READ]); 889 c2 = fio_uint_to_kmg(td->o.max_bs[DDIR_READ]); 890 c3 = fio_uint_to_kmg(td->o.min_bs[DDIR_WRITE]); 891 c4 = fio_uint_to_kmg(td->o.max_bs[DDIR_WRITE]); 892 c5 = fio_uint_to_kmg(td->o.min_bs[DDIR_TRIM]); 893 c6 = fio_uint_to_kmg(td->o.max_bs[DDIR_TRIM]); 894 895 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s/%s-%s," 896 " ioengine=%s, iodepth=%u\n", 897 td->o.name, td->groupid, 898 ddir_str(td->o.td_ddir), 899 c1, c2, c3, c4, c5, c6, 900 td->io_ops->name, 901 td->o.iodepth); 902 903 free(c1); 904 free(c2); 905 free(c3); 906 free(c4); 907 free(c5); 908 free(c6); 909 } 910 } else if (job_add_num == 1) 911 log_info("...\n"); 912 } 913 914 /* 915 * recurse add identical jobs, clear numjobs and stonewall options 916 * as they don't apply to sub-jobs 917 */ 918 numjobs = td->o.numjobs; 919 while (--numjobs) { 920 struct thread_data *td_new = get_new_job(0, td, 1); 921 922 if (!td_new) 923 goto err; 924 925 td_new->o.numjobs = 1; 926 td_new->o.stonewall = 0; 927 td_new->o.new_group = 0; 928 929 if (file_alloced) { 930 td_new->o.filename = NULL; 931 td_new->files_index = 0; 932 td_new->files_size = 0; 933 td_new->files = NULL; 934 } 935 936 job_add_num = numjobs - 1; 937 938 if (add_job(td_new, jobname, job_add_num, 1, client_type)) 939 goto err; 940 } 941 942 return 0; 943err: 944 put_job(td); 945 return -1; 946} 947 948/* 949 * Parse as if 'o' was a command line 950 */ 951void add_job_opts(const char **o, int client_type) 952{ 953 struct thread_data *td, *td_parent; 954 int i, in_global = 1; 955 char jobname[32]; 956 957 i = 0; 958 td_parent = td = NULL; 959 while (o[i]) { 960 if (!strncmp(o[i], "name", 4)) { 961 in_global = 0; 962 if (td) 963 add_job(td, jobname, 0, 0, client_type); 964 td = NULL; 965 sprintf(jobname, "%s", o[i] + 5); 966 } 967 if (in_global && !td_parent) 968 td_parent = get_new_job(1, &def_thread, 0); 969 else if (!in_global && !td) { 970 if (!td_parent) 971 td_parent = &def_thread; 972 td = get_new_job(0, td_parent, 0); 973 } 974 if (in_global) 975 fio_options_parse(td_parent, (char **) &o[i], 1); 976 else 977 fio_options_parse(td, (char **) &o[i], 1); 978 i++; 979 } 980 981 if (td) 982 add_job(td, jobname, 0, 0, client_type); 983} 984 985static int skip_this_section(const char *name) 986{ 987 int i; 988 989 if (!nr_job_sections) 990 return 0; 991 if (!strncmp(name, "global", 6)) 992 return 0; 993 994 for (i = 0; i < nr_job_sections; i++) 995 if (!strcmp(job_sections[i], name)) 996 return 0; 997 998 return 1; 999} 1000 1001static int is_empty_or_comment(char *line) 1002{ 1003 unsigned int i; 1004 1005 for (i = 0; i < strlen(line); i++) { 1006 if (line[i] == ';') 1007 return 1; 1008 if (line[i] == '#') 1009 return 1; 1010 if (!isspace((int) line[i]) && !iscntrl((int) line[i])) 1011 return 0; 1012 } 1013 1014 return 1; 1015} 1016 1017/* 1018 * This is our [ini] type file parser. 1019 */ 1020int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type) 1021{ 1022 unsigned int global; 1023 struct thread_data *td; 1024 char *string, *name; 1025 FILE *f; 1026 char *p; 1027 int ret = 0, stonewall; 1028 int first_sect = 1; 1029 int skip_fgets = 0; 1030 int inside_skip = 0; 1031 char **opts; 1032 int i, alloc_opts, num_opts; 1033 1034 if (is_buf) 1035 f = NULL; 1036 else { 1037 if (!strcmp(file, "-")) 1038 f = stdin; 1039 else 1040 f = fopen(file, "r"); 1041 1042 if (!f) { 1043 perror("fopen job file"); 1044 return 1; 1045 } 1046 } 1047 1048 string = malloc(4096); 1049 1050 /* 1051 * it's really 256 + small bit, 280 should suffice 1052 */ 1053 name = malloc(280); 1054 memset(name, 0, 280); 1055 1056 alloc_opts = 8; 1057 opts = malloc(sizeof(char *) * alloc_opts); 1058 num_opts = 0; 1059 1060 stonewall = stonewall_flag; 1061 do { 1062 /* 1063 * if skip_fgets is set, we already have loaded a line we 1064 * haven't handled. 1065 */ 1066 if (!skip_fgets) { 1067 if (is_buf) 1068 p = strsep(&file, "\n"); 1069 else 1070 p = fgets(string, 4096, f); 1071 if (!p) 1072 break; 1073 } 1074 1075 skip_fgets = 0; 1076 strip_blank_front(&p); 1077 strip_blank_end(p); 1078 1079 if (is_empty_or_comment(p)) 1080 continue; 1081 if (sscanf(p, "[%255[^\n]]", name) != 1) { 1082 if (inside_skip) 1083 continue; 1084 log_err("fio: option <%s> outside of [] job section\n", 1085 p); 1086 break; 1087 } 1088 1089 name[strlen(name) - 1] = '\0'; 1090 1091 if (skip_this_section(name)) { 1092 inside_skip = 1; 1093 continue; 1094 } else 1095 inside_skip = 0; 1096 1097 global = !strncmp(name, "global", 6); 1098 1099 if (dump_cmdline) { 1100 if (first_sect) 1101 log_info("fio "); 1102 if (!global) 1103 log_info("--name=%s ", name); 1104 first_sect = 0; 1105 } 1106 1107 td = get_new_job(global, &def_thread, 0); 1108 if (!td) { 1109 ret = 1; 1110 break; 1111 } 1112 1113 /* 1114 * Seperate multiple job files by a stonewall 1115 */ 1116 if (!global && stonewall) { 1117 td->o.stonewall = stonewall; 1118 stonewall = 0; 1119 } 1120 1121 num_opts = 0; 1122 memset(opts, 0, alloc_opts * sizeof(char *)); 1123 1124 while (1) { 1125 if (is_buf) 1126 p = strsep(&file, "\n"); 1127 else 1128 p = fgets(string, 4096, f); 1129 if (!p) 1130 break; 1131 1132 if (is_empty_or_comment(p)) 1133 continue; 1134 1135 strip_blank_front(&p); 1136 1137 /* 1138 * new section, break out and make sure we don't 1139 * fgets() a new line at the top. 1140 */ 1141 if (p[0] == '[') { 1142 skip_fgets = 1; 1143 break; 1144 } 1145 1146 strip_blank_end(p); 1147 1148 if (num_opts == alloc_opts) { 1149 alloc_opts <<= 1; 1150 opts = realloc(opts, 1151 alloc_opts * sizeof(char *)); 1152 } 1153 1154 opts[num_opts] = strdup(p); 1155 num_opts++; 1156 } 1157 1158 ret = fio_options_parse(td, opts, num_opts); 1159 if (!ret) { 1160 if (dump_cmdline) 1161 for (i = 0; i < num_opts; i++) 1162 log_info("--%s ", opts[i]); 1163 1164 ret = add_job(td, name, 0, 0, type); 1165 } else { 1166 log_err("fio: job %s dropped\n", name); 1167 put_job(td); 1168 } 1169 1170 for (i = 0; i < num_opts; i++) 1171 free(opts[i]); 1172 num_opts = 0; 1173 } while (!ret); 1174 1175 if (dump_cmdline) 1176 log_info("\n"); 1177 1178 i = 0; 1179 while (i < nr_job_sections) { 1180 free(job_sections[i]); 1181 i++; 1182 } 1183 1184 for (i = 0; i < num_opts; i++) 1185 free(opts[i]); 1186 1187 free(string); 1188 free(name); 1189 free(opts); 1190 if (!is_buf && f != stdin) 1191 fclose(f); 1192 return ret; 1193} 1194 1195static int fill_def_thread(void) 1196{ 1197 memset(&def_thread, 0, sizeof(def_thread)); 1198 1199 fio_getaffinity(getpid(), &def_thread.o.cpumask); 1200 def_thread.o.timeout = def_timeout; 1201 1202 /* 1203 * fill default options 1204 */ 1205 fio_fill_default_options(&def_thread); 1206 return 0; 1207} 1208 1209static void usage(const char *name) 1210{ 1211 printf("%s\n", fio_version_string); 1212 printf("%s [options] [job options] <job file(s)>\n", name); 1213 printf(" --debug=options\tEnable debug logging. May be one/more of:\n" 1214 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n" 1215 "\t\t\tdiskutil,job,mutex,profile,time,net\n"); 1216 printf(" --output\t\tWrite output to file\n"); 1217 printf(" --runtime\t\tRuntime in seconds\n"); 1218 printf(" --latency-log\t\tGenerate per-job latency logs\n"); 1219 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n"); 1220 printf(" --minimal\t\tMinimal (terse) output\n"); 1221 printf(" --output-format=x\tOutput format (terse,json,normal)\n"); 1222 printf(" --terse-version=x\tSet terse version output format to 'x'\n"); 1223 printf(" --version\t\tPrint version info and exit\n"); 1224 printf(" --help\t\tPrint this page\n"); 1225 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of" 1226 " them\n"); 1227 printf(" --enghelp=engine\tPrint ioengine help, or list" 1228 " available ioengines\n"); 1229 printf(" --enghelp=engine,cmd\tPrint help for an ioengine" 1230 " cmd\n"); 1231 printf(" --showcmd\t\tTurn a job file into command line options\n"); 1232 printf(" --eta=when\t\tWhen ETA estimate should be printed\n"); 1233 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n"); 1234 printf(" --readonly\t\tTurn on safety read-only checks, preventing" 1235 " writes\n"); 1236 printf(" --section=name\tOnly run specified section in job file\n"); 1237 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb" 1238 " (def 1024)\n"); 1239 printf(" --warnings-fatal\tFio parser warnings are fatal\n"); 1240 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n"); 1241 printf(" --server=args\t\tStart a backend fio server\n"); 1242 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n"); 1243 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n"); 1244 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); 1245 printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); 1246} 1247 1248#ifdef FIO_INC_DEBUG 1249struct debug_level debug_levels[] = { 1250 { .name = "process", 1251 .help = "Process creation/exit logging", 1252 .shift = FD_PROCESS, 1253 }, 1254 { .name = "file", 1255 .help = "File related action logging", 1256 .shift = FD_FILE, 1257 }, 1258 { .name = "io", 1259 .help = "IO and IO engine action logging (offsets, queue, completions, etc)", 1260 .shift = FD_IO, 1261 }, 1262 { .name = "mem", 1263 .help = "Memory allocation/freeing logging", 1264 .shift = FD_MEM, 1265 }, 1266 { .name = "blktrace", 1267 .help = "blktrace action logging", 1268 .shift = FD_BLKTRACE, 1269 }, 1270 { .name = "verify", 1271 .help = "IO verification action logging", 1272 .shift = FD_VERIFY, 1273 }, 1274 { .name = "random", 1275 .help = "Random generation logging", 1276 .shift = FD_RANDOM, 1277 }, 1278 { .name = "parse", 1279 .help = "Parser logging", 1280 .shift = FD_PARSE, 1281 }, 1282 { .name = "diskutil", 1283 .help = "Disk utility logging actions", 1284 .shift = FD_DISKUTIL, 1285 }, 1286 { .name = "job", 1287 .help = "Logging related to creating/destroying jobs", 1288 .shift = FD_JOB, 1289 }, 1290 { .name = "mutex", 1291 .help = "Mutex logging", 1292 .shift = FD_MUTEX 1293 }, 1294 { .name = "profile", 1295 .help = "Logging related to profiles", 1296 .shift = FD_PROFILE, 1297 }, 1298 { .name = "time", 1299 .help = "Logging related to time keeping functions", 1300 .shift = FD_TIME, 1301 }, 1302 { .name = "net", 1303 .help = "Network logging", 1304 .shift = FD_NET, 1305 }, 1306 { .name = NULL, }, 1307}; 1308 1309static int set_debug(const char *string) 1310{ 1311 struct debug_level *dl; 1312 char *p = (char *) string; 1313 char *opt; 1314 int i; 1315 1316 if (!strcmp(string, "?") || !strcmp(string, "help")) { 1317 log_info("fio: dumping debug options:"); 1318 for (i = 0; debug_levels[i].name; i++) { 1319 dl = &debug_levels[i]; 1320 log_info("%s,", dl->name); 1321 } 1322 log_info("all\n"); 1323 return 1; 1324 } 1325 1326 while ((opt = strsep(&p, ",")) != NULL) { 1327 int found = 0; 1328 1329 if (!strncmp(opt, "all", 3)) { 1330 log_info("fio: set all debug options\n"); 1331 fio_debug = ~0UL; 1332 continue; 1333 } 1334 1335 for (i = 0; debug_levels[i].name; i++) { 1336 dl = &debug_levels[i]; 1337 found = !strncmp(opt, dl->name, strlen(dl->name)); 1338 if (!found) 1339 continue; 1340 1341 if (dl->shift == FD_JOB) { 1342 opt = strchr(opt, ':'); 1343 if (!opt) { 1344 log_err("fio: missing job number\n"); 1345 break; 1346 } 1347 opt++; 1348 fio_debug_jobno = atoi(opt); 1349 log_info("fio: set debug jobno %d\n", 1350 fio_debug_jobno); 1351 } else { 1352 log_info("fio: set debug option %s\n", opt); 1353 fio_debug |= (1UL << dl->shift); 1354 } 1355 break; 1356 } 1357 1358 if (!found) 1359 log_err("fio: debug mask %s not found\n", opt); 1360 } 1361 return 0; 1362} 1363#else 1364static int set_debug(const char *string) 1365{ 1366 log_err("fio: debug tracing not included in build\n"); 1367 return 1; 1368} 1369#endif 1370 1371static void fio_options_fill_optstring(void) 1372{ 1373 char *ostr = cmd_optstr; 1374 int i, c; 1375 1376 c = i = 0; 1377 while (l_opts[i].name) { 1378 ostr[c++] = l_opts[i].val; 1379 if (l_opts[i].has_arg == required_argument) 1380 ostr[c++] = ':'; 1381 else if (l_opts[i].has_arg == optional_argument) { 1382 ostr[c++] = ':'; 1383 ostr[c++] = ':'; 1384 } 1385 i++; 1386 } 1387 ostr[c] = '\0'; 1388} 1389 1390static int client_flag_set(char c) 1391{ 1392 int i; 1393 1394 i = 0; 1395 while (l_opts[i].name) { 1396 int val = l_opts[i].val; 1397 1398 if (c == (val & 0xff)) 1399 return (val & FIO_CLIENT_FLAG); 1400 1401 i++; 1402 } 1403 1404 return 0; 1405} 1406 1407void parse_cmd_client(void *client, char *opt) 1408{ 1409 fio_client_add_cmd_option(client, opt); 1410} 1411 1412int parse_cmd_line(int argc, char *argv[], int client_type) 1413{ 1414 struct thread_data *td = NULL; 1415 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; 1416 char *ostr = cmd_optstr; 1417 void *pid_file = NULL; 1418 void *cur_client = NULL; 1419 int backend = 0; 1420 1421 /* 1422 * Reset optind handling, since we may call this multiple times 1423 * for the backend. 1424 */ 1425 optind = 1; 1426 1427 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { 1428 did_arg = 1; 1429 1430 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) { 1431 parse_cmd_client(cur_client, argv[optind - 1]); 1432 c &= ~FIO_CLIENT_FLAG; 1433 } 1434 1435 switch (c) { 1436 case 'a': 1437 smalloc_pool_size = atoi(optarg); 1438 break; 1439 case 't': 1440 def_timeout = atoi(optarg); 1441 break; 1442 case 'l': 1443 write_lat_log = 1; 1444 break; 1445 case 'b': 1446 write_bw_log = 1; 1447 break; 1448 case 'o': 1449 f_out = fopen(optarg, "w+"); 1450 if (!f_out) { 1451 perror("fopen output"); 1452 exit(1); 1453 } 1454 f_err = f_out; 1455 break; 1456 case 'm': 1457 output_format = FIO_OUTPUT_TERSE; 1458 break; 1459 case 'F': 1460 if (!strcmp(optarg, "minimal") || 1461 !strcmp(optarg, "terse") || 1462 !strcmp(optarg, "csv")) 1463 output_format = FIO_OUTPUT_TERSE; 1464 else if (!strcmp(optarg, "json")) 1465 output_format = FIO_OUTPUT_JSON; 1466 else 1467 output_format = FIO_OUTPUT_NORMAL; 1468 break; 1469 case 'h': 1470 if (!cur_client) { 1471 usage(argv[0]); 1472 do_exit++; 1473 } 1474 break; 1475 case 'c': 1476 if (!cur_client) { 1477 fio_show_option_help(optarg); 1478 do_exit++; 1479 } 1480 break; 1481 case 'i': 1482 if (!cur_client) { 1483 fio_show_ioengine_help(optarg); 1484 do_exit++; 1485 } 1486 break; 1487 case 's': 1488 dump_cmdline = 1; 1489 break; 1490 case 'r': 1491 read_only = 1; 1492 break; 1493 case 'v': 1494 if (!cur_client) { 1495 log_info("%s\n", fio_version_string); 1496 do_exit++; 1497 } 1498 break; 1499 case 'V': 1500 terse_version = atoi(optarg); 1501 if (!(terse_version == 2 || terse_version == 3) || 1502 (terse_version == 4)) { 1503 log_err("fio: bad terse version format\n"); 1504 exit_val = 1; 1505 do_exit++; 1506 } 1507 break; 1508 case 'e': 1509 if (!strcmp("always", optarg)) 1510 eta_print = FIO_ETA_ALWAYS; 1511 else if (!strcmp("never", optarg)) 1512 eta_print = FIO_ETA_NEVER; 1513 break; 1514 case 'd': 1515 if (set_debug(optarg)) 1516 do_exit++; 1517 break; 1518 case 'x': { 1519 size_t new_size; 1520 1521 if (!strcmp(optarg, "global")) { 1522 log_err("fio: can't use global as only " 1523 "section\n"); 1524 do_exit++; 1525 exit_val = 1; 1526 break; 1527 } 1528 new_size = (nr_job_sections + 1) * sizeof(char *); 1529 job_sections = realloc(job_sections, new_size); 1530 job_sections[nr_job_sections] = strdup(optarg); 1531 nr_job_sections++; 1532 break; 1533 } 1534 case 'p': 1535 exec_profile = strdup(optarg); 1536 break; 1537 case FIO_GETOPT_JOB: { 1538 const char *opt = l_opts[lidx].name; 1539 char *val = optarg; 1540 1541 if (!strncmp(opt, "name", 4) && td) { 1542 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); 1543 if (ret) 1544 return 0; 1545 td = NULL; 1546 } 1547 if (!td) { 1548 int is_section = !strncmp(opt, "name", 4); 1549 int global = 0; 1550 1551 if (!is_section || !strncmp(val, "global", 6)) 1552 global = 1; 1553 1554 if (is_section && skip_this_section(val)) 1555 continue; 1556 1557 td = get_new_job(global, &def_thread, 1); 1558 if (!td || ioengine_load(td)) 1559 return 0; 1560 fio_options_set_ioengine_opts(l_opts, td); 1561 } 1562 1563 ret = fio_cmd_option_parse(td, opt, val); 1564 1565 if (!ret && !strcmp(opt, "ioengine")) { 1566 free_ioengine(td); 1567 if (ioengine_load(td)) 1568 return 0; 1569 fio_options_set_ioengine_opts(l_opts, td); 1570 } 1571 break; 1572 } 1573 case FIO_GETOPT_IOENGINE: { 1574 const char *opt = l_opts[lidx].name; 1575 char *val = optarg; 1576 opt = l_opts[lidx].name; 1577 val = optarg; 1578 ret = fio_cmd_ioengine_option_parse(td, opt, val); 1579 break; 1580 } 1581 case 'w': 1582 warnings_fatal = 1; 1583 break; 1584 case 'j': 1585 max_jobs = atoi(optarg); 1586 if (!max_jobs || max_jobs > REAL_MAX_JOBS) { 1587 log_err("fio: invalid max jobs: %d\n", max_jobs); 1588 do_exit++; 1589 exit_val = 1; 1590 } 1591 break; 1592 case 'S': 1593 if (nr_clients) { 1594 log_err("fio: can't be both client and server\n"); 1595 do_exit++; 1596 exit_val = 1; 1597 break; 1598 } 1599 if (optarg) 1600 fio_server_set_arg(optarg); 1601 is_backend = 1; 1602 backend = 1; 1603 break; 1604 case 'D': 1605 pid_file = strdup(optarg); 1606 break; 1607 case 'C': 1608 if (is_backend) { 1609 log_err("fio: can't be both client and server\n"); 1610 do_exit++; 1611 exit_val = 1; 1612 break; 1613 } 1614 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) { 1615 log_err("fio: failed adding client %s\n", optarg); 1616 do_exit++; 1617 exit_val = 1; 1618 break; 1619 } 1620 /* 1621 * If the next argument exists and isn't an option, 1622 * assume it's a job file for this client only. 1623 */ 1624 while (optind < argc) { 1625 if (!strncmp(argv[optind], "--", 2) || 1626 !strncmp(argv[optind], "-", 1)) 1627 break; 1628 1629 fio_client_add_ini_file(cur_client, argv[optind]); 1630 optind++; 1631 } 1632 break; 1633 default: 1634 do_exit++; 1635 exit_val = 1; 1636 break; 1637 } 1638 if (do_exit) 1639 break; 1640 } 1641 1642 if (do_exit) { 1643 if (exit_val && !(is_backend || nr_clients)) 1644 exit(exit_val); 1645 } 1646 1647 if (nr_clients && fio_clients_connect()) { 1648 do_exit++; 1649 exit_val = 1; 1650 return -1; 1651 } 1652 1653 if (is_backend && backend) 1654 return fio_start_server(pid_file); 1655 1656 if (td) { 1657 if (!ret) 1658 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); 1659 } 1660 1661 while (!ret && optind < argc) { 1662 ini_idx++; 1663 ini_file = realloc(ini_file, ini_idx * sizeof(char *)); 1664 ini_file[ini_idx - 1] = strdup(argv[optind]); 1665 optind++; 1666 } 1667 1668 return ini_idx; 1669} 1670 1671int fio_init_options(void) 1672{ 1673 f_out = stdout; 1674 f_err = stderr; 1675 1676 fio_options_fill_optstring(); 1677 fio_options_dup_and_init(l_opts); 1678 1679 atexit(free_shm); 1680 1681 if (fill_def_thread()) 1682 return 1; 1683 1684 return 0; 1685} 1686 1687extern int fio_check_options(struct thread_options *); 1688 1689int parse_options(int argc, char *argv[]) 1690{ 1691 const int type = FIO_CLIENT_TYPE_CLI; 1692 int job_files, i; 1693 1694 if (fio_init_options()) 1695 return 1; 1696 if (fio_test_cconv(&def_thread.o)) 1697 log_err("fio: failed internal cconv test\n"); 1698 1699 job_files = parse_cmd_line(argc, argv, type); 1700 1701 if (job_files > 0) { 1702 for (i = 0; i < job_files; i++) { 1703 if (fill_def_thread()) 1704 return 1; 1705 if (nr_clients) { 1706 if (fio_clients_send_ini(ini_file[i])) 1707 return 1; 1708 free(ini_file[i]); 1709 } else if (!is_backend) { 1710 if (parse_jobs_ini(ini_file[i], 0, i, type)) 1711 return 1; 1712 free(ini_file[i]); 1713 } 1714 } 1715 } else if (nr_clients) { 1716 if (fill_def_thread()) 1717 return 1; 1718 if (fio_clients_send_ini(NULL)) 1719 return 1; 1720 } 1721 1722 free(ini_file); 1723 fio_options_free(&def_thread); 1724 1725 if (!thread_number) { 1726 if (dump_cmdline) 1727 return 0; 1728 if (exec_profile) 1729 return 0; 1730 if (is_backend || nr_clients) 1731 return 0; 1732 if (did_arg) 1733 return 0; 1734 1735 log_err("No jobs(s) defined\n\n"); 1736 1737 if (!did_arg) { 1738 usage(argv[0]); 1739 return 1; 1740 } 1741 1742 return 0; 1743 } 1744 1745 if (def_thread.o.gtod_offload) { 1746 fio_gtod_init(); 1747 fio_gtod_offload = 1; 1748 fio_gtod_cpu = def_thread.o.gtod_cpu; 1749 } 1750 1751 if (output_format == FIO_OUTPUT_NORMAL) 1752 log_info("%s\n", fio_version_string); 1753 1754 return 0; 1755} 1756 1757void options_default_fill(struct thread_options *o) 1758{ 1759 memcpy(o, &def_thread.o, sizeof(*o)); 1760} 1761