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/types.h> 13#include <sys/stat.h> 14 15#include "fio.h" 16#ifndef FIO_NO_HAVE_SHM_H 17#include <sys/shm.h> 18#endif 19 20#include "parse.h" 21#include "smalloc.h" 22#include "filehash.h" 23#include "verify.h" 24#include "profile.h" 25#include "server.h" 26#include "idletime.h" 27#include "filelock.h" 28 29#include "lib/getopt.h" 30#include "lib/strcasestr.h" 31 32#include "crc/test.h" 33 34const char fio_version_string[] = FIO_VERSION; 35 36#define FIO_RANDSEED (0xb1899bedUL) 37 38static char **ini_file; 39static int max_jobs = FIO_MAX_JOBS; 40static int dump_cmdline; 41static long long def_timeout; 42static int parse_only; 43 44static struct thread_data def_thread; 45struct thread_data *threads = NULL; 46static char **job_sections; 47static int nr_job_sections; 48 49int exitall_on_terminate = 0; 50int output_format = FIO_OUTPUT_NORMAL; 51int append_terse_output = 0; 52int eta_print = FIO_ETA_AUTO; 53int eta_new_line = 0; 54FILE *f_out = NULL; 55FILE *f_err = NULL; 56char *exec_profile = NULL; 57int warnings_fatal = 0; 58int terse_version = 3; 59int is_backend = 0; 60int nr_clients = 0; 61int log_syslog = 0; 62 63int write_bw_log = 0; 64int read_only = 0; 65int status_interval = 0; 66 67char *trigger_file = NULL; 68long long trigger_timeout = 0; 69char *trigger_cmd = NULL; 70char *trigger_remote_cmd = NULL; 71 72static int prev_group_jobs; 73 74unsigned long fio_debug = 0; 75unsigned int fio_debug_jobno = -1; 76unsigned int *fio_debug_jobp = NULL; 77 78static char cmd_optstr[256]; 79static int did_arg; 80 81#define FIO_CLIENT_FLAG (1 << 16) 82 83/* 84 * Command line options. These will contain the above, plus a few 85 * extra that only pertain to fio itself and not jobs. 86 */ 87static struct option l_opts[FIO_NR_OPTIONS] = { 88 { 89 .name = (char *) "output", 90 .has_arg = required_argument, 91 .val = 'o' | FIO_CLIENT_FLAG, 92 }, 93 { 94 .name = (char *) "timeout", 95 .has_arg = required_argument, 96 .val = 't' | FIO_CLIENT_FLAG, 97 }, 98 { 99 .name = (char *) "latency-log", 100 .has_arg = required_argument, 101 .val = 'l' | FIO_CLIENT_FLAG, 102 }, 103 { 104 .name = (char *) "bandwidth-log", 105 .has_arg = required_argument, 106 .val = 'b' | FIO_CLIENT_FLAG, 107 }, 108 { 109 .name = (char *) "minimal", 110 .has_arg = no_argument, 111 .val = 'm' | FIO_CLIENT_FLAG, 112 }, 113 { 114 .name = (char *) "output-format", 115 .has_arg = optional_argument, 116 .val = 'F' | FIO_CLIENT_FLAG, 117 }, 118 { 119 .name = (char *) "append-terse", 120 .has_arg = optional_argument, 121 .val = 'f', 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 *) "eta-newline", 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 *) "parse-only", 170 .has_arg = no_argument, 171 .val = 'P' | FIO_CLIENT_FLAG, 172 }, 173 { 174 .name = (char *) "section", 175 .has_arg = required_argument, 176 .val = 'x' | FIO_CLIENT_FLAG, 177 }, 178#ifdef CONFIG_ZLIB 179 { 180 .name = (char *) "inflate-log", 181 .has_arg = required_argument, 182 .val = 'X' | FIO_CLIENT_FLAG, 183 }, 184#endif 185 { 186 .name = (char *) "alloc-size", 187 .has_arg = required_argument, 188 .val = 'a' | FIO_CLIENT_FLAG, 189 }, 190 { 191 .name = (char *) "profile", 192 .has_arg = required_argument, 193 .val = 'p' | FIO_CLIENT_FLAG, 194 }, 195 { 196 .name = (char *) "warnings-fatal", 197 .has_arg = no_argument, 198 .val = 'w' | FIO_CLIENT_FLAG, 199 }, 200 { 201 .name = (char *) "max-jobs", 202 .has_arg = required_argument, 203 .val = 'j' | FIO_CLIENT_FLAG, 204 }, 205 { 206 .name = (char *) "terse-version", 207 .has_arg = required_argument, 208 .val = 'V' | FIO_CLIENT_FLAG, 209 }, 210 { 211 .name = (char *) "server", 212 .has_arg = optional_argument, 213 .val = 'S', 214 }, 215 { .name = (char *) "daemonize", 216 .has_arg = required_argument, 217 .val = 'D', 218 }, 219 { 220 .name = (char *) "client", 221 .has_arg = required_argument, 222 .val = 'C', 223 }, 224 { 225 .name = (char *) "remote-config", 226 .has_arg = required_argument, 227 .val = 'R', 228 }, 229 { 230 .name = (char *) "cpuclock-test", 231 .has_arg = no_argument, 232 .val = 'T', 233 }, 234 { 235 .name = (char *) "crctest", 236 .has_arg = optional_argument, 237 .val = 'G', 238 }, 239 { 240 .name = (char *) "idle-prof", 241 .has_arg = required_argument, 242 .val = 'I', 243 }, 244 { 245 .name = (char *) "status-interval", 246 .has_arg = required_argument, 247 .val = 'L', 248 }, 249 { 250 .name = (char *) "trigger-file", 251 .has_arg = required_argument, 252 .val = 'W', 253 }, 254 { 255 .name = (char *) "trigger-timeout", 256 .has_arg = required_argument, 257 .val = 'B', 258 }, 259 { 260 .name = (char *) "trigger", 261 .has_arg = required_argument, 262 .val = 'H', 263 }, 264 { 265 .name = (char *) "trigger-remote", 266 .has_arg = required_argument, 267 .val = 'J', 268 }, 269 { 270 .name = NULL, 271 }, 272}; 273 274void free_threads_shm(void) 275{ 276 if (threads) { 277 void *tp = threads; 278#ifndef CONFIG_NO_SHM 279 struct shmid_ds sbuf; 280 281 threads = NULL; 282 shmdt(tp); 283 shmctl(shm_id, IPC_RMID, &sbuf); 284 shm_id = -1; 285#else 286 threads = NULL; 287 free(tp); 288#endif 289 } 290} 291 292static void free_shm(void) 293{ 294 if (threads) { 295 file_hash_exit(); 296 flow_exit(); 297 fio_debug_jobp = NULL; 298 free_threads_shm(); 299 } 300 301 free(trigger_file); 302 free(trigger_cmd); 303 free(trigger_remote_cmd); 304 trigger_file = trigger_cmd = trigger_remote_cmd = NULL; 305 306 options_free(fio_options, &def_thread); 307 fio_filelock_exit(); 308 scleanup(); 309} 310 311/* 312 * The thread area is shared between the main process and the job 313 * threads/processes. So setup a shared memory segment that will hold 314 * all the job info. We use the end of the region for keeping track of 315 * open files across jobs, for file sharing. 316 */ 317static int setup_thread_area(void) 318{ 319 void *hash; 320 321 if (threads) 322 return 0; 323 324 /* 325 * 1024 is too much on some machines, scale max_jobs if 326 * we get a failure that looks like too large a shm segment 327 */ 328 do { 329 size_t size = max_jobs * sizeof(struct thread_data); 330 331 size += file_hash_size; 332 size += sizeof(unsigned int); 333 334#ifndef CONFIG_NO_SHM 335 shm_id = shmget(0, size, IPC_CREAT | 0600); 336 if (shm_id != -1) 337 break; 338 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) { 339 perror("shmget"); 340 break; 341 } 342#else 343 threads = malloc(size); 344 if (threads) 345 break; 346#endif 347 348 max_jobs >>= 1; 349 } while (max_jobs); 350 351#ifndef CONFIG_NO_SHM 352 if (shm_id == -1) 353 return 1; 354 355 threads = shmat(shm_id, NULL, 0); 356 if (threads == (void *) -1) { 357 perror("shmat"); 358 return 1; 359 } 360#endif 361 362 memset(threads, 0, max_jobs * sizeof(struct thread_data)); 363 hash = (void *) threads + max_jobs * sizeof(struct thread_data); 364 fio_debug_jobp = (void *) hash + file_hash_size; 365 *fio_debug_jobp = -1; 366 file_hash_init(hash); 367 368 flow_init(); 369 370 return 0; 371} 372 373static void set_cmd_options(struct thread_data *td) 374{ 375 struct thread_options *o = &td->o; 376 377 if (!o->timeout) 378 o->timeout = def_timeout; 379} 380 381/* 382 * Return a free job structure. 383 */ 384static struct thread_data *get_new_job(int global, struct thread_data *parent, 385 int preserve_eo, const char *jobname) 386{ 387 struct thread_data *td; 388 389 if (global) { 390 set_cmd_options(&def_thread); 391 return &def_thread; 392 } 393 if (setup_thread_area()) { 394 log_err("error: failed to setup shm segment\n"); 395 return NULL; 396 } 397 if (thread_number >= max_jobs) { 398 log_err("error: maximum number of jobs (%d) reached.\n", 399 max_jobs); 400 return NULL; 401 } 402 403 td = &threads[thread_number++]; 404 *td = *parent; 405 406 td->io_ops = NULL; 407 if (!preserve_eo) 408 td->eo = NULL; 409 410 td->o.uid = td->o.gid = -1U; 411 412 dup_files(td, parent); 413 fio_options_mem_dupe(td); 414 415 profile_add_hooks(td); 416 417 td->thread_number = thread_number; 418 td->subjob_number = 0; 419 420 if (jobname) 421 td->o.name = strdup(jobname); 422 423 if (!parent->o.group_reporting) 424 stat_number++; 425 426 set_cmd_options(td); 427 return td; 428} 429 430static void put_job(struct thread_data *td) 431{ 432 if (td == &def_thread) 433 return; 434 435 profile_td_exit(td); 436 flow_exit_job(td); 437 438 if (td->error) 439 log_info("fio: %s\n", td->verror); 440 441 fio_options_free(td); 442 if (td->io_ops) 443 free_ioengine(td); 444 445 if (td->o.name) 446 free(td->o.name); 447 448 memset(&threads[td->thread_number - 1], 0, sizeof(*td)); 449 thread_number--; 450} 451 452static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) 453{ 454 unsigned int bs = td->o.min_bs[ddir]; 455 456 assert(ddir_rw(ddir)); 457 458 if (td->o.rate[ddir]) 459 td->rate_bps[ddir] = td->o.rate[ddir]; 460 else 461 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs; 462 463 if (!td->rate_bps[ddir]) { 464 log_err("rate lower than supported\n"); 465 return -1; 466 } 467 468 td->rate_pending_usleep[ddir] = 0; 469 return 0; 470} 471 472static int setup_rate(struct thread_data *td) 473{ 474 int ret = 0; 475 476 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) 477 ret = __setup_rate(td, DDIR_READ); 478 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) 479 ret |= __setup_rate(td, DDIR_WRITE); 480 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM]) 481 ret |= __setup_rate(td, DDIR_TRIM); 482 483 return ret; 484} 485 486static int fixed_block_size(struct thread_options *o) 487{ 488 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && 489 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && 490 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] && 491 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] && 492 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM]; 493} 494 495 496static unsigned long long get_rand_start_delay(struct thread_data *td) 497{ 498 unsigned long long delayrange; 499 unsigned long r; 500 501 delayrange = td->o.start_delay_high - td->o.start_delay; 502 503 r = __rand(&td->delay_state); 504 delayrange = (unsigned long long) ((double) delayrange * (r / (FRAND_MAX + 1.0))); 505 506 delayrange += td->o.start_delay; 507 return delayrange; 508} 509 510/* 511 * Lazy way of fixing up options that depend on each other. We could also 512 * define option callback handlers, but this is easier. 513 */ 514static int fixup_options(struct thread_data *td) 515{ 516 struct thread_options *o = &td->o; 517 int ret = 0; 518 519#ifndef FIO_HAVE_PSHARED_MUTEX 520 if (!o->use_thread) { 521 log_info("fio: this platform does not support process shared" 522 " mutexes, forcing use of threads. Use the 'thread'" 523 " option to get rid of this warning.\n"); 524 o->use_thread = 1; 525 ret = warnings_fatal; 526 } 527#endif 528 529 if (o->write_iolog_file && o->read_iolog_file) { 530 log_err("fio: read iolog overrides write_iolog\n"); 531 free(o->write_iolog_file); 532 o->write_iolog_file = NULL; 533 ret = warnings_fatal; 534 } 535 536 /* 537 * only really works with 1 file 538 */ 539 if (o->zone_size && o->open_files > 1) 540 o->zone_size = 0; 541 542 /* 543 * If zone_range isn't specified, backward compatibility dictates it 544 * should be made equal to zone_size. 545 */ 546 if (o->zone_size && !o->zone_range) 547 o->zone_range = o->zone_size; 548 549 /* 550 * Reads can do overwrites, we always need to pre-create the file 551 */ 552 if (td_read(td) || td_rw(td)) 553 o->overwrite = 1; 554 555 if (!o->min_bs[DDIR_READ]) 556 o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; 557 if (!o->max_bs[DDIR_READ]) 558 o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; 559 if (!o->min_bs[DDIR_WRITE]) 560 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; 561 if (!o->max_bs[DDIR_WRITE]) 562 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; 563 if (!o->min_bs[DDIR_TRIM]) 564 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM]; 565 if (!o->max_bs[DDIR_TRIM]) 566 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM]; 567 568 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); 569 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs); 570 571 /* 572 * For random IO, allow blockalign offset other than min_bs. 573 */ 574 if (!o->ba[DDIR_READ] || !td_random(td)) 575 o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; 576 if (!o->ba[DDIR_WRITE] || !td_random(td)) 577 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; 578 if (!o->ba[DDIR_TRIM] || !td_random(td)) 579 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM]; 580 581 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || 582 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] || 583 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) && 584 !o->norandommap) { 585 log_err("fio: Any use of blockalign= turns off randommap\n"); 586 o->norandommap = 1; 587 ret = warnings_fatal; 588 } 589 590 if (!o->file_size_high) 591 o->file_size_high = o->file_size_low; 592 593 if (o->start_delay_high) 594 o->start_delay = get_rand_start_delay(td); 595 596 if (o->norandommap && o->verify != VERIFY_NONE 597 && !fixed_block_size(o)) { 598 log_err("fio: norandommap given for variable block sizes, " 599 "verify limited\n"); 600 ret = warnings_fatal; 601 } 602 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) 603 log_err("fio: bs_unaligned may not work with raw io\n"); 604 605 /* 606 * thinktime_spin must be less than thinktime 607 */ 608 if (o->thinktime_spin > o->thinktime) 609 o->thinktime_spin = o->thinktime; 610 611 /* 612 * The low water mark cannot be bigger than the iodepth 613 */ 614 if (o->iodepth_low > o->iodepth || !o->iodepth_low) 615 o->iodepth_low = o->iodepth; 616 617 /* 618 * If batch number isn't set, default to the same as iodepth 619 */ 620 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) 621 o->iodepth_batch = o->iodepth; 622 623 if (o->nr_files > td->files_index) 624 o->nr_files = td->files_index; 625 626 if (o->open_files > o->nr_files || !o->open_files) 627 o->open_files = o->nr_files; 628 629 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) && 630 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) || 631 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) && 632 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) { 633 log_err("fio: rate and rate_iops are mutually exclusive\n"); 634 ret = 1; 635 } 636 if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) || 637 (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) || 638 (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) || 639 (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) || 640 (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) || 641 (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) { 642 log_err("fio: minimum rate exceeds rate\n"); 643 ret = 1; 644 } 645 646 if (!o->timeout && o->time_based) { 647 log_err("fio: time_based requires a runtime/timeout setting\n"); 648 o->time_based = 0; 649 ret = warnings_fatal; 650 } 651 652 if (o->fill_device && !o->size) 653 o->size = -1ULL; 654 655 if (o->verify != VERIFY_NONE) { 656 if (td_write(td) && o->do_verify && o->numjobs > 1) { 657 log_info("Multiple writers may overwrite blocks that " 658 "belong to other jobs. This can cause " 659 "verification failures.\n"); 660 ret = warnings_fatal; 661 } 662 663 o->refill_buffers = 1; 664 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && 665 !o->verify_interval) 666 o->verify_interval = o->min_bs[DDIR_WRITE]; 667 668 /* 669 * Verify interval must be smaller or equal to the 670 * write size. 671 */ 672 if (o->verify_interval > o->min_bs[DDIR_WRITE]) 673 o->verify_interval = o->min_bs[DDIR_WRITE]; 674 else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ]) 675 o->verify_interval = o->min_bs[DDIR_READ]; 676 } 677 678 if (o->pre_read) { 679 o->invalidate_cache = 0; 680 if (td->io_ops->flags & FIO_PIPEIO) { 681 log_info("fio: cannot pre-read files with an IO engine" 682 " that isn't seekable. Pre-read disabled.\n"); 683 ret = warnings_fatal; 684 } 685 } 686 687 if (!o->unit_base) { 688 if (td->io_ops->flags & FIO_BIT_BASED) 689 o->unit_base = 1; 690 else 691 o->unit_base = 8; 692 } 693 694#ifndef CONFIG_FDATASYNC 695 if (o->fdatasync_blocks) { 696 log_info("fio: this platform does not support fdatasync()" 697 " falling back to using fsync(). Use the 'fsync'" 698 " option instead of 'fdatasync' to get rid of" 699 " this warning\n"); 700 o->fsync_blocks = o->fdatasync_blocks; 701 o->fdatasync_blocks = 0; 702 ret = warnings_fatal; 703 } 704#endif 705 706#ifdef WIN32 707 /* 708 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface, 709 * so fail if we're passed those flags 710 */ 711 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) { 712 log_err("fio: Windows does not support direct or non-buffered io with" 713 " the synchronous ioengines. Use the 'windowsaio' ioengine" 714 " with 'direct=1' and 'iodepth=1' instead.\n"); 715 ret = 1; 716 } 717#endif 718 719 /* 720 * For fully compressible data, just zero them at init time. 721 * It's faster than repeatedly filling it. 722 */ 723 if (td->o.compress_percentage == 100) { 724 td->o.zero_buffers = 1; 725 td->o.compress_percentage = 0; 726 } 727 728 /* 729 * Using a non-uniform random distribution excludes usage of 730 * a random map 731 */ 732 if (td->o.random_distribution != FIO_RAND_DIST_RANDOM) 733 td->o.norandommap = 1; 734 735 /* 736 * If size is set but less than the min block size, complain 737 */ 738 if (o->size && o->size < td_min_bs(td)) { 739 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size); 740 ret = 1; 741 } 742 743 /* 744 * O_ATOMIC implies O_DIRECT 745 */ 746 if (td->o.oatomic) 747 td->o.odirect = 1; 748 749 /* 750 * If randseed is set, that overrides randrepeat 751 */ 752 if (td->o.rand_seed) 753 td->o.rand_repeatable = 0; 754 755 if ((td->io_ops->flags & FIO_NOEXTEND) && td->o.file_append) { 756 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name); 757 ret = 1; 758 } 759 760 if (fio_option_is_set(o, gtod_cpu)) { 761 fio_gtod_init(); 762 fio_gtod_set_cpu(o->gtod_cpu); 763 fio_gtod_offload = 1; 764 } 765 766 td->loops = o->loops; 767 if (!td->loops) 768 td->loops = 1; 769 770 return ret; 771} 772 773/* 774 * This function leaks the buffer 775 */ 776char *fio_uint_to_kmg(unsigned int val) 777{ 778 char *buf = malloc(32); 779 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; 780 char *p = post; 781 782 do { 783 if (val & 1023) 784 break; 785 786 val >>= 10; 787 p++; 788 } while (*p); 789 790 snprintf(buf, 32, "%u%c", val, *p); 791 return buf; 792} 793 794/* External engines are specified by "external:name.o") */ 795static const char *get_engine_name(const char *str) 796{ 797 char *p = strstr(str, ":"); 798 799 if (!p) 800 return str; 801 802 p++; 803 strip_blank_front(&p); 804 strip_blank_end(p); 805 return p; 806} 807 808static int exists_and_not_file(const char *filename) 809{ 810 struct stat sb; 811 812 if (lstat(filename, &sb) == -1) 813 return 0; 814 815 /* \\.\ is the device namespace in Windows, where every file 816 * is a device node */ 817 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) 818 return 0; 819 820 return 1; 821} 822 823static void td_fill_rand_seeds_internal(struct thread_data *td) 824{ 825 init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]); 826 init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF]); 827 init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]); 828 829 if (td->o.file_service_type == FIO_FSERVICE_RANDOM) 830 init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]); 831 832 init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]); 833 init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]); 834 init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY]); 835 836 if (!td_random(td)) 837 return; 838 839 if (td->o.rand_repeatable) 840 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number; 841 842 init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]); 843 init_rand_seed(&td->seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF]); 844 init_rand_seed(&td->seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF]); 845 init_rand_seed(&td->seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF]); 846} 847 848void td_fill_rand_seeds(struct thread_data *td) 849{ 850 if (td->o.allrand_repeatable) { 851 unsigned int i; 852 853 for (i = 0; i < FIO_RAND_NR_OFFS; i++) 854 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number 855 + i; 856 } 857 858 td_fill_rand_seeds_internal(td); 859 860 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]); 861 frand_copy(&td->buf_state_prev, &td->buf_state); 862 863 init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF]); 864} 865 866/* 867 * Initializes the ioengine configured for a job, if it has not been done so 868 * already. 869 */ 870int ioengine_load(struct thread_data *td) 871{ 872 const char *engine; 873 874 /* 875 * Engine has already been loaded. 876 */ 877 if (td->io_ops) 878 return 0; 879 if (!td->o.ioengine) { 880 log_err("fio: internal fault, no IO engine specified\n"); 881 return 1; 882 } 883 884 engine = get_engine_name(td->o.ioengine); 885 td->io_ops = load_ioengine(td, engine); 886 if (!td->io_ops) { 887 log_err("fio: failed to load engine %s\n", engine); 888 return 1; 889 } 890 891 if (td->io_ops->option_struct_size && td->io_ops->options) { 892 /* 893 * In cases where td->eo is set, clone it for a child thread. 894 * This requires that the parent thread has the same ioengine, 895 * but that requirement must be enforced by the code which 896 * cloned the thread. 897 */ 898 void *origeo = td->eo; 899 /* 900 * Otherwise use the default thread options. 901 */ 902 if (!origeo && td != &def_thread && def_thread.eo && 903 def_thread.io_ops->options == td->io_ops->options) 904 origeo = def_thread.eo; 905 906 options_init(td->io_ops->options); 907 td->eo = malloc(td->io_ops->option_struct_size); 908 /* 909 * Use the default thread as an option template if this uses the 910 * same options structure and there are non-default options 911 * used. 912 */ 913 if (origeo) { 914 memcpy(td->eo, origeo, td->io_ops->option_struct_size); 915 options_mem_dupe(td->eo, td->io_ops->options); 916 } else { 917 memset(td->eo, 0, td->io_ops->option_struct_size); 918 fill_default_options(td->eo, td->io_ops->options); 919 } 920 *(struct thread_data **)td->eo = td; 921 } 922 923 return 0; 924} 925 926static void init_flags(struct thread_data *td) 927{ 928 struct thread_options *o = &td->o; 929 930 if (o->verify_backlog) 931 td->flags |= TD_F_VER_BACKLOG; 932 if (o->trim_backlog) 933 td->flags |= TD_F_TRIM_BACKLOG; 934 if (o->read_iolog_file) 935 td->flags |= TD_F_READ_IOLOG; 936 if (o->refill_buffers) 937 td->flags |= TD_F_REFILL_BUFFERS; 938 /* 939 * Always scramble buffers if asked to 940 */ 941 if (o->scramble_buffers && fio_option_is_set(o, scramble_buffers)) 942 td->flags |= TD_F_SCRAMBLE_BUFFERS; 943 /* 944 * But also scramble buffers, unless we were explicitly asked 945 * to zero them. 946 */ 947 if (o->scramble_buffers && !(o->zero_buffers && 948 fio_option_is_set(o, zero_buffers))) 949 td->flags |= TD_F_SCRAMBLE_BUFFERS; 950 if (o->verify != VERIFY_NONE) 951 td->flags |= TD_F_VER_NONE; 952} 953 954static int setup_random_seeds(struct thread_data *td) 955{ 956 unsigned long seed; 957 unsigned int i; 958 959 if (!td->o.rand_repeatable && !td->o.rand_seed) 960 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds)); 961 962 if (!td->o.rand_seed) 963 seed = 0x89; 964 else 965 seed = td->o.rand_seed; 966 967 for (i = 0; i < 4; i++) 968 seed *= 0x9e370001UL; 969 970 for (i = 0; i < FIO_RAND_NR_OFFS; i++) { 971 td->rand_seeds[i] = seed; 972 seed *= 0x9e370001UL; 973 } 974 975 td_fill_rand_seeds(td); 976 return 0; 977} 978 979enum { 980 FPRE_NONE = 0, 981 FPRE_JOBNAME, 982 FPRE_JOBNUM, 983 FPRE_FILENUM 984}; 985 986static struct fpre_keyword { 987 const char *keyword; 988 size_t strlen; 989 int key; 990} fpre_keywords[] = { 991 { .keyword = "$jobname", .key = FPRE_JOBNAME, }, 992 { .keyword = "$jobnum", .key = FPRE_JOBNUM, }, 993 { .keyword = "$filenum", .key = FPRE_FILENUM, }, 994 { .keyword = NULL, }, 995 }; 996 997static char *make_filename(char *buf, size_t buf_size,struct thread_options *o, 998 const char *jobname, int jobnum, int filenum) 999{ 1000 struct fpre_keyword *f; 1001 char copy[PATH_MAX]; 1002 size_t dst_left = PATH_MAX - 1; 1003 1004 if (!o->filename_format || !strlen(o->filename_format)) { 1005 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum); 1006 return NULL; 1007 } 1008 1009 for (f = &fpre_keywords[0]; f->keyword; f++) 1010 f->strlen = strlen(f->keyword); 1011 1012 buf[buf_size - 1] = '\0'; 1013 strncpy(buf, o->filename_format, buf_size - 1); 1014 1015 memset(copy, 0, sizeof(copy)); 1016 for (f = &fpre_keywords[0]; f->keyword; f++) { 1017 do { 1018 size_t pre_len, post_start = 0; 1019 char *str, *dst = copy; 1020 1021 str = strcasestr(buf, f->keyword); 1022 if (!str) 1023 break; 1024 1025 pre_len = str - buf; 1026 if (strlen(str) != f->strlen) 1027 post_start = pre_len + f->strlen; 1028 1029 if (pre_len) { 1030 strncpy(dst, buf, pre_len); 1031 dst += pre_len; 1032 dst_left -= pre_len; 1033 } 1034 1035 switch (f->key) { 1036 case FPRE_JOBNAME: { 1037 int ret; 1038 1039 ret = snprintf(dst, dst_left, "%s", jobname); 1040 if (ret < 0) 1041 break; 1042 else if (ret > dst_left) { 1043 log_err("fio: truncated filename\n"); 1044 dst += dst_left; 1045 dst_left = 0; 1046 } else { 1047 dst += ret; 1048 dst_left -= ret; 1049 } 1050 break; 1051 } 1052 case FPRE_JOBNUM: { 1053 int ret; 1054 1055 ret = snprintf(dst, dst_left, "%d", jobnum); 1056 if (ret < 0) 1057 break; 1058 else if (ret > dst_left) { 1059 log_err("fio: truncated filename\n"); 1060 dst += dst_left; 1061 dst_left = 0; 1062 } else { 1063 dst += ret; 1064 dst_left -= ret; 1065 } 1066 break; 1067 } 1068 case FPRE_FILENUM: { 1069 int ret; 1070 1071 ret = snprintf(dst, dst_left, "%d", filenum); 1072 if (ret < 0) 1073 break; 1074 else if (ret > dst_left) { 1075 log_err("fio: truncated filename\n"); 1076 dst += dst_left; 1077 dst_left = 0; 1078 } else { 1079 dst += ret; 1080 dst_left -= ret; 1081 } 1082 break; 1083 } 1084 default: 1085 assert(0); 1086 break; 1087 } 1088 1089 if (post_start) 1090 strncpy(dst, buf + post_start, dst_left); 1091 1092 strncpy(buf, copy, buf_size - 1); 1093 } while (1); 1094 } 1095 1096 return buf; 1097} 1098 1099int parse_dryrun(void) 1100{ 1101 return dump_cmdline || parse_only; 1102} 1103 1104/* 1105 * Adds a job to the list of things todo. Sanitizes the various options 1106 * to make sure we don't have conflicts, and initializes various 1107 * members of td. 1108 */ 1109static int add_job(struct thread_data *td, const char *jobname, int job_add_num, 1110 int recursed, int client_type) 1111{ 1112 unsigned int i; 1113 char fname[PATH_MAX]; 1114 int numjobs, file_alloced; 1115 struct thread_options *o = &td->o; 1116 char logname[PATH_MAX + 32]; 1117 1118 /* 1119 * the def_thread is just for options, it's not a real job 1120 */ 1121 if (td == &def_thread) 1122 return 0; 1123 1124 init_flags(td); 1125 1126 /* 1127 * if we are just dumping the output command line, don't add the job 1128 */ 1129 if (parse_dryrun()) { 1130 put_job(td); 1131 return 0; 1132 } 1133 1134 td->client_type = client_type; 1135 1136 if (profile_td_init(td)) 1137 goto err; 1138 1139 if (ioengine_load(td)) 1140 goto err; 1141 1142 if (o->odirect) 1143 td->io_ops->flags |= FIO_RAWIO; 1144 1145 file_alloced = 0; 1146 if (!o->filename && !td->files_index && !o->read_iolog_file) { 1147 file_alloced = 1; 1148 1149 if (o->nr_files == 1 && exists_and_not_file(jobname)) 1150 add_file(td, jobname, job_add_num, 0); 1151 else { 1152 for (i = 0; i < o->nr_files; i++) 1153 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0); 1154 } 1155 } 1156 1157 if (fixup_options(td)) 1158 goto err; 1159 1160 flow_init_job(td); 1161 1162 /* 1163 * IO engines only need this for option callbacks, and the address may 1164 * change in subprocesses. 1165 */ 1166 if (td->eo) 1167 *(struct thread_data **)td->eo = NULL; 1168 1169 if (td->io_ops->flags & FIO_DISKLESSIO) { 1170 struct fio_file *f; 1171 1172 for_each_file(td, f, i) 1173 f->real_file_size = -1ULL; 1174 } 1175 1176 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED); 1177 1178 td->ts.clat_percentiles = o->clat_percentiles; 1179 td->ts.percentile_precision = o->percentile_precision; 1180 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list)); 1181 1182 for (i = 0; i < DDIR_RWDIR_CNT; i++) { 1183 td->ts.clat_stat[i].min_val = ULONG_MAX; 1184 td->ts.slat_stat[i].min_val = ULONG_MAX; 1185 td->ts.lat_stat[i].min_val = ULONG_MAX; 1186 td->ts.bw_stat[i].min_val = ULONG_MAX; 1187 } 1188 td->ddir_seq_nr = o->ddir_seq_nr; 1189 1190 if ((o->stonewall || o->new_group) && prev_group_jobs) { 1191 prev_group_jobs = 0; 1192 groupid++; 1193 } 1194 1195 td->groupid = groupid; 1196 prev_group_jobs++; 1197 1198 if (setup_random_seeds(td)) { 1199 td_verror(td, errno, "init_random_state"); 1200 goto err; 1201 } 1202 1203 if (setup_rate(td)) 1204 goto err; 1205 1206 if (o->lat_log_file) { 1207 struct log_params p = { 1208 .td = td, 1209 .avg_msec = o->log_avg_msec, 1210 .log_type = IO_LOG_TYPE_LAT, 1211 .log_offset = o->log_offset, 1212 .log_gz = o->log_gz, 1213 .log_gz_store = o->log_gz_store, 1214 }; 1215 const char *suf; 1216 1217 if (p.log_gz_store) 1218 suf = "log.fz"; 1219 else 1220 suf = "log"; 1221 1222 snprintf(logname, sizeof(logname), "%s_lat.%d.%s", 1223 o->lat_log_file, td->thread_number, suf); 1224 setup_log(&td->lat_log, &p, logname); 1225 snprintf(logname, sizeof(logname), "%s_slat.%d.%s", 1226 o->lat_log_file, td->thread_number, suf); 1227 setup_log(&td->slat_log, &p, logname); 1228 snprintf(logname, sizeof(logname), "%s_clat.%d.%s", 1229 o->lat_log_file, td->thread_number, suf); 1230 setup_log(&td->clat_log, &p, logname); 1231 } 1232 if (o->bw_log_file) { 1233 struct log_params p = { 1234 .td = td, 1235 .avg_msec = o->log_avg_msec, 1236 .log_type = IO_LOG_TYPE_BW, 1237 .log_offset = o->log_offset, 1238 .log_gz = o->log_gz, 1239 .log_gz_store = o->log_gz_store, 1240 }; 1241 const char *suf; 1242 1243 if (p.log_gz_store) 1244 suf = "log.fz"; 1245 else 1246 suf = "log"; 1247 1248 snprintf(logname, sizeof(logname), "%s_bw.%d.%s", 1249 o->bw_log_file, td->thread_number, suf); 1250 setup_log(&td->bw_log, &p, logname); 1251 } 1252 if (o->iops_log_file) { 1253 struct log_params p = { 1254 .td = td, 1255 .avg_msec = o->log_avg_msec, 1256 .log_type = IO_LOG_TYPE_IOPS, 1257 .log_offset = o->log_offset, 1258 .log_gz = o->log_gz, 1259 .log_gz_store = o->log_gz_store, 1260 }; 1261 const char *suf; 1262 1263 if (p.log_gz_store) 1264 suf = "log.fz"; 1265 else 1266 suf = "log"; 1267 1268 snprintf(logname, sizeof(logname), "%s_iops.%d.%s", 1269 o->iops_log_file, td->thread_number, suf); 1270 setup_log(&td->iops_log, &p, logname); 1271 } 1272 1273 if (!o->name) 1274 o->name = strdup(jobname); 1275 1276 if (output_format == FIO_OUTPUT_NORMAL) { 1277 if (!job_add_num) { 1278 if (is_backend && !recursed) 1279 fio_server_send_add_job(td); 1280 1281 if (!(td->io_ops->flags & FIO_NOIO)) { 1282 char *c1, *c2, *c3, *c4; 1283 char *c5 = NULL, *c6 = NULL; 1284 1285 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]); 1286 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]); 1287 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]); 1288 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]); 1289 1290 if (!o->bs_is_seq_rand) { 1291 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]); 1292 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]); 1293 } 1294 1295 log_info("%s: (g=%d): rw=%s, ", td->o.name, 1296 td->groupid, 1297 ddir_str(o->td_ddir)); 1298 1299 if (o->bs_is_seq_rand) 1300 log_info("bs(seq/rand)=%s-%s/%s-%s, ", 1301 c1, c2, c3, c4); 1302 else 1303 log_info("bs=%s-%s/%s-%s/%s-%s, ", 1304 c1, c2, c3, c4, c5, c6); 1305 1306 log_info("ioengine=%s, iodepth=%u\n", 1307 td->io_ops->name, o->iodepth); 1308 1309 free(c1); 1310 free(c2); 1311 free(c3); 1312 free(c4); 1313 free(c5); 1314 free(c6); 1315 } 1316 } else if (job_add_num == 1) 1317 log_info("...\n"); 1318 } 1319 1320 /* 1321 * recurse add identical jobs, clear numjobs and stonewall options 1322 * as they don't apply to sub-jobs 1323 */ 1324 numjobs = o->numjobs; 1325 while (--numjobs) { 1326 struct thread_data *td_new = get_new_job(0, td, 1, jobname); 1327 1328 if (!td_new) 1329 goto err; 1330 1331 td_new->o.numjobs = 1; 1332 td_new->o.stonewall = 0; 1333 td_new->o.new_group = 0; 1334 td_new->subjob_number = numjobs; 1335 1336 if (file_alloced) { 1337 if (td_new->files) { 1338 struct fio_file *f; 1339 for_each_file(td_new, f, i) { 1340 if (f->file_name) 1341 sfree(f->file_name); 1342 sfree(f); 1343 } 1344 free(td_new->files); 1345 td_new->files = NULL; 1346 } 1347 td_new->files_index = 0; 1348 td_new->files_size = 0; 1349 if (td_new->o.filename) { 1350 free(td_new->o.filename); 1351 td_new->o.filename = NULL; 1352 } 1353 } 1354 1355 if (add_job(td_new, jobname, numjobs, 1, client_type)) 1356 goto err; 1357 } 1358 1359 return 0; 1360err: 1361 put_job(td); 1362 return -1; 1363} 1364 1365/* 1366 * Parse as if 'o' was a command line 1367 */ 1368void add_job_opts(const char **o, int client_type) 1369{ 1370 struct thread_data *td, *td_parent; 1371 int i, in_global = 1; 1372 char jobname[32]; 1373 1374 i = 0; 1375 td_parent = td = NULL; 1376 while (o[i]) { 1377 if (!strncmp(o[i], "name", 4)) { 1378 in_global = 0; 1379 if (td) 1380 add_job(td, jobname, 0, 0, client_type); 1381 td = NULL; 1382 sprintf(jobname, "%s", o[i] + 5); 1383 } 1384 if (in_global && !td_parent) 1385 td_parent = get_new_job(1, &def_thread, 0, jobname); 1386 else if (!in_global && !td) { 1387 if (!td_parent) 1388 td_parent = &def_thread; 1389 td = get_new_job(0, td_parent, 0, jobname); 1390 } 1391 if (in_global) 1392 fio_options_parse(td_parent, (char **) &o[i], 1, 0); 1393 else 1394 fio_options_parse(td, (char **) &o[i], 1, 0); 1395 i++; 1396 } 1397 1398 if (td) 1399 add_job(td, jobname, 0, 0, client_type); 1400} 1401 1402static int skip_this_section(const char *name) 1403{ 1404 int i; 1405 1406 if (!nr_job_sections) 1407 return 0; 1408 if (!strncmp(name, "global", 6)) 1409 return 0; 1410 1411 for (i = 0; i < nr_job_sections; i++) 1412 if (!strcmp(job_sections[i], name)) 1413 return 0; 1414 1415 return 1; 1416} 1417 1418static int is_empty_or_comment(char *line) 1419{ 1420 unsigned int i; 1421 1422 for (i = 0; i < strlen(line); i++) { 1423 if (line[i] == ';') 1424 return 1; 1425 if (line[i] == '#') 1426 return 1; 1427 if (!isspace((int) line[i]) && !iscntrl((int) line[i])) 1428 return 0; 1429 } 1430 1431 return 1; 1432} 1433 1434/* 1435 * This is our [ini] type file parser. 1436 */ 1437int __parse_jobs_ini(struct thread_data *td, 1438 char *file, int is_buf, int stonewall_flag, int type, 1439 int nested, char *name, char ***popts, int *aopts, int *nopts) 1440{ 1441 unsigned int global = 0; 1442 char *string; 1443 FILE *f; 1444 char *p; 1445 int ret = 0, stonewall; 1446 int first_sect = 1; 1447 int skip_fgets = 0; 1448 int inside_skip = 0; 1449 char **opts; 1450 int i, alloc_opts, num_opts; 1451 1452 dprint(FD_PARSE, "Parsing ini file %s\n", file); 1453 assert(td || !nested); 1454 1455 if (is_buf) 1456 f = NULL; 1457 else { 1458 if (!strcmp(file, "-")) 1459 f = stdin; 1460 else 1461 f = fopen(file, "r"); 1462 1463 if (!f) { 1464 int __err = errno; 1465 1466 log_err("fio: unable to open '%s' job file\n", file); 1467 if (td) 1468 td_verror(td, __err, "job file open"); 1469 return 1; 1470 } 1471 } 1472 1473 string = malloc(4096); 1474 1475 /* 1476 * it's really 256 + small bit, 280 should suffice 1477 */ 1478 if (!nested) { 1479 name = malloc(280); 1480 memset(name, 0, 280); 1481 } 1482 1483 opts = NULL; 1484 if (nested && popts) { 1485 opts = *popts; 1486 alloc_opts = *aopts; 1487 num_opts = *nopts; 1488 } 1489 1490 if (!opts) { 1491 alloc_opts = 8; 1492 opts = malloc(sizeof(char *) * alloc_opts); 1493 num_opts = 0; 1494 } 1495 1496 stonewall = stonewall_flag; 1497 do { 1498 /* 1499 * if skip_fgets is set, we already have loaded a line we 1500 * haven't handled. 1501 */ 1502 if (!skip_fgets) { 1503 if (is_buf) 1504 p = strsep(&file, "\n"); 1505 else 1506 p = fgets(string, 4096, f); 1507 if (!p) 1508 break; 1509 } 1510 1511 skip_fgets = 0; 1512 strip_blank_front(&p); 1513 strip_blank_end(p); 1514 1515 dprint(FD_PARSE, "%s\n", p); 1516 if (is_empty_or_comment(p)) 1517 continue; 1518 1519 if (!nested) { 1520 if (sscanf(p, "[%255[^\n]]", name) != 1) { 1521 if (inside_skip) 1522 continue; 1523 1524 log_err("fio: option <%s> outside of " 1525 "[] job section\n", p); 1526 ret = 1; 1527 break; 1528 } 1529 1530 name[strlen(name) - 1] = '\0'; 1531 1532 if (skip_this_section(name)) { 1533 inside_skip = 1; 1534 continue; 1535 } else 1536 inside_skip = 0; 1537 1538 dprint(FD_PARSE, "Parsing section [%s]\n", name); 1539 1540 global = !strncmp(name, "global", 6); 1541 1542 if (dump_cmdline) { 1543 if (first_sect) 1544 log_info("fio "); 1545 if (!global) 1546 log_info("--name=%s ", name); 1547 first_sect = 0; 1548 } 1549 1550 td = get_new_job(global, &def_thread, 0, name); 1551 if (!td) { 1552 ret = 1; 1553 break; 1554 } 1555 1556 /* 1557 * Separate multiple job files by a stonewall 1558 */ 1559 if (!global && stonewall) { 1560 td->o.stonewall = stonewall; 1561 stonewall = 0; 1562 } 1563 1564 num_opts = 0; 1565 memset(opts, 0, alloc_opts * sizeof(char *)); 1566 } 1567 else 1568 skip_fgets = 1; 1569 1570 while (1) { 1571 if (!skip_fgets) { 1572 if (is_buf) 1573 p = strsep(&file, "\n"); 1574 else 1575 p = fgets(string, 4096, f); 1576 if (!p) 1577 break; 1578 dprint(FD_PARSE, "%s", p); 1579 } 1580 else 1581 skip_fgets = 0; 1582 1583 if (is_empty_or_comment(p)) 1584 continue; 1585 1586 strip_blank_front(&p); 1587 1588 /* 1589 * new section, break out and make sure we don't 1590 * fgets() a new line at the top. 1591 */ 1592 if (p[0] == '[') { 1593 if (nested) { 1594 log_err("No new sections in included files\n"); 1595 return 1; 1596 } 1597 1598 skip_fgets = 1; 1599 break; 1600 } 1601 1602 strip_blank_end(p); 1603 1604 if (!strncmp(p, "include", strlen("include"))) { 1605 char *filename = p + strlen("include") + 1; 1606 1607 if ((ret = __parse_jobs_ini(td, filename, 1608 is_buf, stonewall_flag, type, 1, 1609 name, &opts, &alloc_opts, &num_opts))) { 1610 log_err("Error %d while parsing include file %s\n", 1611 ret, filename); 1612 break; 1613 } 1614 continue; 1615 } 1616 1617 if (num_opts == alloc_opts) { 1618 alloc_opts <<= 1; 1619 opts = realloc(opts, 1620 alloc_opts * sizeof(char *)); 1621 } 1622 1623 opts[num_opts] = strdup(p); 1624 num_opts++; 1625 } 1626 1627 if (nested) { 1628 *popts = opts; 1629 *aopts = alloc_opts; 1630 *nopts = num_opts; 1631 goto out; 1632 } 1633 1634 ret = fio_options_parse(td, opts, num_opts, dump_cmdline); 1635 if (!ret) 1636 ret = add_job(td, name, 0, 0, type); 1637 else { 1638 log_err("fio: job %s dropped\n", name); 1639 put_job(td); 1640 } 1641 1642 for (i = 0; i < num_opts; i++) 1643 free(opts[i]); 1644 num_opts = 0; 1645 } while (!ret); 1646 1647 if (dump_cmdline) 1648 log_info("\n"); 1649 1650 i = 0; 1651 while (i < nr_job_sections) { 1652 free(job_sections[i]); 1653 i++; 1654 } 1655 1656 free(opts); 1657out: 1658 free(string); 1659 if (!nested) 1660 free(name); 1661 if (!is_buf && f != stdin) 1662 fclose(f); 1663 return ret; 1664} 1665 1666int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type) 1667{ 1668 return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type, 1669 0, NULL, NULL, NULL, NULL); 1670} 1671 1672static int fill_def_thread(void) 1673{ 1674 memset(&def_thread, 0, sizeof(def_thread)); 1675 1676 fio_getaffinity(getpid(), &def_thread.o.cpumask); 1677 def_thread.o.error_dump = 1; 1678 1679 /* 1680 * fill default options 1681 */ 1682 fio_fill_default_options(&def_thread); 1683 return 0; 1684} 1685 1686static void usage(const char *name) 1687{ 1688 printf("%s\n", fio_version_string); 1689 printf("%s [options] [job options] <job file(s)>\n", name); 1690 printf(" --debug=options\tEnable debug logging. May be one/more of:\n" 1691 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n" 1692 "\t\t\tdiskutil,job,mutex,profile,time,net,rate,compress\n"); 1693 printf(" --parse-only\t\tParse options only, don't start any IO\n"); 1694 printf(" --output\t\tWrite output to file\n"); 1695 printf(" --runtime\t\tRuntime in seconds\n"); 1696 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n"); 1697 printf(" --minimal\t\tMinimal (terse) output\n"); 1698 printf(" --output-format=x\tOutput format (terse,json,normal)\n"); 1699 printf(" --terse-version=x\tSet terse version output format to 'x'\n"); 1700 printf(" --version\t\tPrint version info and exit\n"); 1701 printf(" --help\t\tPrint this page\n"); 1702 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n"); 1703 printf(" --crctest\t\tTest speed of checksum functions\n"); 1704 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of" 1705 " them\n"); 1706 printf(" --enghelp=engine\tPrint ioengine help, or list" 1707 " available ioengines\n"); 1708 printf(" --enghelp=engine,cmd\tPrint help for an ioengine" 1709 " cmd\n"); 1710 printf(" --showcmd\t\tTurn a job file into command line options\n"); 1711 printf(" --eta=when\t\tWhen ETA estimate should be printed\n"); 1712 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n"); 1713 printf(" --eta-newline=time\tForce a new line for every 'time'"); 1714 printf(" period passed\n"); 1715 printf(" --status-interval=t\tForce full status dump every"); 1716 printf(" 't' period passed\n"); 1717 printf(" --readonly\t\tTurn on safety read-only checks, preventing" 1718 " writes\n"); 1719 printf(" --section=name\tOnly run specified section in job file\n"); 1720 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb" 1721 " (def 1024)\n"); 1722 printf(" --warnings-fatal\tFio parser warnings are fatal\n"); 1723 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n"); 1724 printf(" --server=args\t\tStart a backend fio server\n"); 1725 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n"); 1726 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n"); 1727 printf(" --remote-config=file\tTell fio server to load this local job file\n"); 1728 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n" 1729 "\t\t\t(option=system,percpu) or run unit work\n" 1730 "\t\t\tcalibration only (option=calibrate)\n"); 1731#ifdef CONFIG_ZLIB 1732 printf(" --inflate-log=log\tInflate and output compressed log\n"); 1733#endif 1734 printf(" --trigger-file=file\tExecute trigger cmd when file exists\n"); 1735 printf(" --trigger-timeout=t\tExecute trigger af this time\n"); 1736 printf(" --trigger=cmd\t\tSet this command as local trigger\n"); 1737 printf(" --trigger-remote=cmd\tSet this command as remote trigger\n"); 1738 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); 1739 printf("\n Jens Axboe <jaxboe@fusionio.com>"); 1740 printf("\n Jens Axboe <axboe@fb.com>\n"); 1741} 1742 1743#ifdef FIO_INC_DEBUG 1744struct debug_level debug_levels[] = { 1745 { .name = "process", 1746 .help = "Process creation/exit logging", 1747 .shift = FD_PROCESS, 1748 }, 1749 { .name = "file", 1750 .help = "File related action logging", 1751 .shift = FD_FILE, 1752 }, 1753 { .name = "io", 1754 .help = "IO and IO engine action logging (offsets, queue, completions, etc)", 1755 .shift = FD_IO, 1756 }, 1757 { .name = "mem", 1758 .help = "Memory allocation/freeing logging", 1759 .shift = FD_MEM, 1760 }, 1761 { .name = "blktrace", 1762 .help = "blktrace action logging", 1763 .shift = FD_BLKTRACE, 1764 }, 1765 { .name = "verify", 1766 .help = "IO verification action logging", 1767 .shift = FD_VERIFY, 1768 }, 1769 { .name = "random", 1770 .help = "Random generation logging", 1771 .shift = FD_RANDOM, 1772 }, 1773 { .name = "parse", 1774 .help = "Parser logging", 1775 .shift = FD_PARSE, 1776 }, 1777 { .name = "diskutil", 1778 .help = "Disk utility logging actions", 1779 .shift = FD_DISKUTIL, 1780 }, 1781 { .name = "job", 1782 .help = "Logging related to creating/destroying jobs", 1783 .shift = FD_JOB, 1784 }, 1785 { .name = "mutex", 1786 .help = "Mutex logging", 1787 .shift = FD_MUTEX 1788 }, 1789 { .name = "profile", 1790 .help = "Logging related to profiles", 1791 .shift = FD_PROFILE, 1792 }, 1793 { .name = "time", 1794 .help = "Logging related to time keeping functions", 1795 .shift = FD_TIME, 1796 }, 1797 { .name = "net", 1798 .help = "Network logging", 1799 .shift = FD_NET, 1800 }, 1801 { .name = "rate", 1802 .help = "Rate logging", 1803 .shift = FD_RATE, 1804 }, 1805 { .name = "compress", 1806 .help = "Log compression logging", 1807 .shift = FD_COMPRESS, 1808 }, 1809 { .name = NULL, }, 1810}; 1811 1812static int set_debug(const char *string) 1813{ 1814 struct debug_level *dl; 1815 char *p = (char *) string; 1816 char *opt; 1817 int i; 1818 1819 if (!strcmp(string, "?") || !strcmp(string, "help")) { 1820 log_info("fio: dumping debug options:"); 1821 for (i = 0; debug_levels[i].name; i++) { 1822 dl = &debug_levels[i]; 1823 log_info("%s,", dl->name); 1824 } 1825 log_info("all\n"); 1826 return 1; 1827 } 1828 1829 while ((opt = strsep(&p, ",")) != NULL) { 1830 int found = 0; 1831 1832 if (!strncmp(opt, "all", 3)) { 1833 log_info("fio: set all debug options\n"); 1834 fio_debug = ~0UL; 1835 continue; 1836 } 1837 1838 for (i = 0; debug_levels[i].name; i++) { 1839 dl = &debug_levels[i]; 1840 found = !strncmp(opt, dl->name, strlen(dl->name)); 1841 if (!found) 1842 continue; 1843 1844 if (dl->shift == FD_JOB) { 1845 opt = strchr(opt, ':'); 1846 if (!opt) { 1847 log_err("fio: missing job number\n"); 1848 break; 1849 } 1850 opt++; 1851 fio_debug_jobno = atoi(opt); 1852 log_info("fio: set debug jobno %d\n", 1853 fio_debug_jobno); 1854 } else { 1855 log_info("fio: set debug option %s\n", opt); 1856 fio_debug |= (1UL << dl->shift); 1857 } 1858 break; 1859 } 1860 1861 if (!found) 1862 log_err("fio: debug mask %s not found\n", opt); 1863 } 1864 return 0; 1865} 1866#else 1867static int set_debug(const char *string) 1868{ 1869 log_err("fio: debug tracing not included in build\n"); 1870 return 1; 1871} 1872#endif 1873 1874static void fio_options_fill_optstring(void) 1875{ 1876 char *ostr = cmd_optstr; 1877 int i, c; 1878 1879 c = i = 0; 1880 while (l_opts[i].name) { 1881 ostr[c++] = l_opts[i].val; 1882 if (l_opts[i].has_arg == required_argument) 1883 ostr[c++] = ':'; 1884 else if (l_opts[i].has_arg == optional_argument) { 1885 ostr[c++] = ':'; 1886 ostr[c++] = ':'; 1887 } 1888 i++; 1889 } 1890 ostr[c] = '\0'; 1891} 1892 1893static int client_flag_set(char c) 1894{ 1895 int i; 1896 1897 i = 0; 1898 while (l_opts[i].name) { 1899 int val = l_opts[i].val; 1900 1901 if (c == (val & 0xff)) 1902 return (val & FIO_CLIENT_FLAG); 1903 1904 i++; 1905 } 1906 1907 return 0; 1908} 1909 1910static void parse_cmd_client(void *client, char *opt) 1911{ 1912 fio_client_add_cmd_option(client, opt); 1913} 1914 1915static void show_closest_option(const char *name) 1916{ 1917 int best_option, best_distance; 1918 int i, distance; 1919 1920 while (*name == '-') 1921 name++; 1922 1923 best_option = -1; 1924 best_distance = INT_MAX; 1925 i = 0; 1926 while (l_opts[i].name) { 1927 distance = string_distance(name, l_opts[i].name); 1928 if (distance < best_distance) { 1929 best_distance = distance; 1930 best_option = i; 1931 } 1932 i++; 1933 } 1934 1935 if (best_option != -1) 1936 log_err("Did you mean %s?\n", l_opts[best_option].name); 1937} 1938 1939int parse_cmd_line(int argc, char *argv[], int client_type) 1940{ 1941 struct thread_data *td = NULL; 1942 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; 1943 char *ostr = cmd_optstr; 1944 void *pid_file = NULL; 1945 void *cur_client = NULL; 1946 int backend = 0; 1947 1948 /* 1949 * Reset optind handling, since we may call this multiple times 1950 * for the backend. 1951 */ 1952 optind = 1; 1953 1954 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { 1955 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) { 1956 parse_cmd_client(cur_client, argv[optind - 1]); 1957 c &= ~FIO_CLIENT_FLAG; 1958 } 1959 1960 switch (c) { 1961 case 'a': 1962 smalloc_pool_size = atoi(optarg); 1963 break; 1964 case 't': 1965 if (check_str_time(optarg, &def_timeout, 1)) { 1966 log_err("fio: failed parsing time %s\n", optarg); 1967 do_exit++; 1968 exit_val = 1; 1969 } 1970 break; 1971 case 'l': 1972 log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n"); 1973 do_exit++; 1974 exit_val = 1; 1975 break; 1976 case 'b': 1977 write_bw_log = 1; 1978 break; 1979 case 'o': 1980 if (f_out && f_out != stdout) 1981 fclose(f_out); 1982 1983 f_out = fopen(optarg, "w+"); 1984 if (!f_out) { 1985 perror("fopen output"); 1986 exit(1); 1987 } 1988 f_err = f_out; 1989 break; 1990 case 'm': 1991 output_format = FIO_OUTPUT_TERSE; 1992 break; 1993 case 'F': 1994 if (!optarg) { 1995 log_err("fio: missing --output-format argument\n"); 1996 exit_val = 1; 1997 do_exit++; 1998 break; 1999 } 2000 if (!strcmp(optarg, "minimal") || 2001 !strcmp(optarg, "terse") || 2002 !strcmp(optarg, "csv")) 2003 output_format = FIO_OUTPUT_TERSE; 2004 else if (!strcmp(optarg, "json")) 2005 output_format = FIO_OUTPUT_JSON; 2006 else 2007 output_format = FIO_OUTPUT_NORMAL; 2008 break; 2009 case 'f': 2010 append_terse_output = 1; 2011 break; 2012 case 'h': 2013 did_arg = 1; 2014 if (!cur_client) { 2015 usage(argv[0]); 2016 do_exit++; 2017 } 2018 break; 2019 case 'c': 2020 did_arg = 1; 2021 if (!cur_client) { 2022 fio_show_option_help(optarg); 2023 do_exit++; 2024 } 2025 break; 2026 case 'i': 2027 did_arg = 1; 2028 if (!cur_client) { 2029 fio_show_ioengine_help(optarg); 2030 do_exit++; 2031 } 2032 break; 2033 case 's': 2034 did_arg = 1; 2035 dump_cmdline = 1; 2036 break; 2037 case 'r': 2038 read_only = 1; 2039 break; 2040 case 'v': 2041 did_arg = 1; 2042 if (!cur_client) { 2043 log_info("%s\n", fio_version_string); 2044 do_exit++; 2045 } 2046 break; 2047 case 'V': 2048 terse_version = atoi(optarg); 2049 if (!(terse_version == 2 || terse_version == 3 || 2050 terse_version == 4)) { 2051 log_err("fio: bad terse version format\n"); 2052 exit_val = 1; 2053 do_exit++; 2054 } 2055 break; 2056 case 'e': 2057 if (!strcmp("always", optarg)) 2058 eta_print = FIO_ETA_ALWAYS; 2059 else if (!strcmp("never", optarg)) 2060 eta_print = FIO_ETA_NEVER; 2061 break; 2062 case 'E': { 2063 long long t = 0; 2064 2065 if (check_str_time(optarg, &t, 1)) { 2066 log_err("fio: failed parsing eta time %s\n", optarg); 2067 exit_val = 1; 2068 do_exit++; 2069 } 2070 eta_new_line = t / 1000; 2071 break; 2072 } 2073 case 'd': 2074 if (set_debug(optarg)) 2075 do_exit++; 2076 break; 2077 case 'P': 2078 did_arg = 1; 2079 parse_only = 1; 2080 break; 2081 case 'x': { 2082 size_t new_size; 2083 2084 if (!strcmp(optarg, "global")) { 2085 log_err("fio: can't use global as only " 2086 "section\n"); 2087 do_exit++; 2088 exit_val = 1; 2089 break; 2090 } 2091 new_size = (nr_job_sections + 1) * sizeof(char *); 2092 job_sections = realloc(job_sections, new_size); 2093 job_sections[nr_job_sections] = strdup(optarg); 2094 nr_job_sections++; 2095 break; 2096 } 2097#ifdef CONFIG_ZLIB 2098 case 'X': 2099 exit_val = iolog_file_inflate(optarg); 2100 did_arg++; 2101 do_exit++; 2102 break; 2103#endif 2104 case 'p': 2105 did_arg = 1; 2106 if (exec_profile) 2107 free(exec_profile); 2108 exec_profile = strdup(optarg); 2109 break; 2110 case FIO_GETOPT_JOB: { 2111 const char *opt = l_opts[lidx].name; 2112 char *val = optarg; 2113 2114 if (!strncmp(opt, "name", 4) && td) { 2115 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); 2116 if (ret) 2117 goto out_free; 2118 td = NULL; 2119 did_arg = 1; 2120 } 2121 if (!td) { 2122 int is_section = !strncmp(opt, "name", 4); 2123 int global = 0; 2124 2125 if (!is_section || !strncmp(val, "global", 6)) 2126 global = 1; 2127 2128 if (is_section && skip_this_section(val)) 2129 continue; 2130 2131 td = get_new_job(global, &def_thread, 1, NULL); 2132 if (!td || ioengine_load(td)) { 2133 if (td) { 2134 put_job(td); 2135 td = NULL; 2136 } 2137 do_exit++; 2138 break; 2139 } 2140 fio_options_set_ioengine_opts(l_opts, td); 2141 } 2142 2143 if ((!val || !strlen(val)) && 2144 l_opts[lidx].has_arg == required_argument) { 2145 log_err("fio: option %s requires an argument\n", opt); 2146 ret = 1; 2147 } else 2148 ret = fio_cmd_option_parse(td, opt, val); 2149 2150 if (ret) { 2151 if (td) { 2152 put_job(td); 2153 td = NULL; 2154 } 2155 do_exit++; 2156 } 2157 2158 if (!ret && !strcmp(opt, "ioengine")) { 2159 free_ioengine(td); 2160 if (ioengine_load(td)) { 2161 put_job(td); 2162 td = NULL; 2163 do_exit++; 2164 break; 2165 } 2166 fio_options_set_ioengine_opts(l_opts, td); 2167 } 2168 break; 2169 } 2170 case FIO_GETOPT_IOENGINE: { 2171 const char *opt = l_opts[lidx].name; 2172 char *val = optarg; 2173 2174 if (!td) 2175 break; 2176 2177 ret = fio_cmd_ioengine_option_parse(td, opt, val); 2178 break; 2179 } 2180 case 'w': 2181 warnings_fatal = 1; 2182 break; 2183 case 'j': 2184 max_jobs = atoi(optarg); 2185 if (!max_jobs || max_jobs > REAL_MAX_JOBS) { 2186 log_err("fio: invalid max jobs: %d\n", max_jobs); 2187 do_exit++; 2188 exit_val = 1; 2189 } 2190 break; 2191 case 'S': 2192 did_arg = 1; 2193#ifndef CONFIG_NO_SHM 2194 if (nr_clients) { 2195 log_err("fio: can't be both client and server\n"); 2196 do_exit++; 2197 exit_val = 1; 2198 break; 2199 } 2200 if (optarg) 2201 fio_server_set_arg(optarg); 2202 is_backend = 1; 2203 backend = 1; 2204#else 2205 log_err("fio: client/server requires SHM support\n"); 2206 do_exit++; 2207 exit_val = 1; 2208#endif 2209 break; 2210 case 'D': 2211 if (pid_file) 2212 free(pid_file); 2213 pid_file = strdup(optarg); 2214 break; 2215 case 'I': 2216 if ((ret = fio_idle_prof_parse_opt(optarg))) { 2217 /* exit on error and calibration only */ 2218 did_arg = 1; 2219 do_exit++; 2220 if (ret == -1) 2221 exit_val = 1; 2222 } 2223 break; 2224 case 'C': 2225 did_arg = 1; 2226 if (is_backend) { 2227 log_err("fio: can't be both client and server\n"); 2228 do_exit++; 2229 exit_val = 1; 2230 break; 2231 } 2232 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) { 2233 log_err("fio: failed adding client %s\n", optarg); 2234 do_exit++; 2235 exit_val = 1; 2236 break; 2237 } 2238 /* 2239 * If the next argument exists and isn't an option, 2240 * assume it's a job file for this client only. 2241 */ 2242 while (optind < argc) { 2243 if (!strncmp(argv[optind], "--", 2) || 2244 !strncmp(argv[optind], "-", 1)) 2245 break; 2246 2247 if (fio_client_add_ini_file(cur_client, argv[optind], 0)) 2248 break; 2249 optind++; 2250 } 2251 break; 2252 case 'R': 2253 did_arg = 1; 2254 if (fio_client_add_ini_file(cur_client, optarg, 1)) { 2255 do_exit++; 2256 exit_val = 1; 2257 } 2258 break; 2259 case 'T': 2260 did_arg = 1; 2261 do_exit++; 2262 exit_val = fio_monotonic_clocktest(1); 2263 break; 2264 case 'G': 2265 did_arg = 1; 2266 do_exit++; 2267 exit_val = fio_crctest(optarg); 2268 break; 2269 case 'L': { 2270 long long val; 2271 2272 if (check_str_time(optarg, &val, 1)) { 2273 log_err("fio: failed parsing time %s\n", optarg); 2274 do_exit++; 2275 exit_val = 1; 2276 break; 2277 } 2278 status_interval = val / 1000; 2279 break; 2280 } 2281 case 'W': 2282 if (trigger_file) 2283 free(trigger_file); 2284 trigger_file = strdup(optarg); 2285 break; 2286 case 'H': 2287 if (trigger_cmd) 2288 free(trigger_cmd); 2289 trigger_cmd = strdup(optarg); 2290 break; 2291 case 'J': 2292 if (trigger_remote_cmd) 2293 free(trigger_remote_cmd); 2294 trigger_remote_cmd = strdup(optarg); 2295 break; 2296 case 'B': 2297 if (check_str_time(optarg, &trigger_timeout, 1)) { 2298 log_err("fio: failed parsing time %s\n", optarg); 2299 do_exit++; 2300 exit_val = 1; 2301 } 2302 trigger_timeout /= 1000000; 2303 break; 2304 case '?': 2305 log_err("%s: unrecognized option '%s'\n", argv[0], 2306 argv[optind - 1]); 2307 show_closest_option(argv[optind - 1]); 2308 default: 2309 do_exit++; 2310 exit_val = 1; 2311 break; 2312 } 2313 if (do_exit) 2314 break; 2315 } 2316 2317 if (do_exit && !(is_backend || nr_clients)) 2318 exit(exit_val); 2319 2320 if (nr_clients && fio_clients_connect()) 2321 exit(1); 2322 2323 if (is_backend && backend) 2324 return fio_start_server(pid_file); 2325 else if (pid_file) 2326 free(pid_file); 2327 2328 if (td) { 2329 if (!ret) { 2330 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); 2331 if (ret) 2332 did_arg = 1; 2333 } 2334 } 2335 2336 while (!ret && optind < argc) { 2337 ini_idx++; 2338 ini_file = realloc(ini_file, ini_idx * sizeof(char *)); 2339 ini_file[ini_idx - 1] = strdup(argv[optind]); 2340 optind++; 2341 } 2342 2343out_free: 2344 if (pid_file) 2345 free(pid_file); 2346 2347 return ini_idx; 2348} 2349 2350int fio_init_options(void) 2351{ 2352 f_out = stdout; 2353 f_err = stderr; 2354 2355 fio_options_fill_optstring(); 2356 fio_options_dup_and_init(l_opts); 2357 2358 atexit(free_shm); 2359 2360 if (fill_def_thread()) 2361 return 1; 2362 2363 return 0; 2364} 2365 2366extern int fio_check_options(struct thread_options *); 2367 2368int parse_options(int argc, char *argv[]) 2369{ 2370 const int type = FIO_CLIENT_TYPE_CLI; 2371 int job_files, i; 2372 2373 if (fio_init_options()) 2374 return 1; 2375 if (fio_test_cconv(&def_thread.o)) 2376 log_err("fio: failed internal cconv test\n"); 2377 2378 job_files = parse_cmd_line(argc, argv, type); 2379 2380 if (job_files > 0) { 2381 for (i = 0; i < job_files; i++) { 2382 if (i && fill_def_thread()) 2383 return 1; 2384 if (nr_clients) { 2385 if (fio_clients_send_ini(ini_file[i])) 2386 return 1; 2387 free(ini_file[i]); 2388 } else if (!is_backend) { 2389 if (parse_jobs_ini(ini_file[i], 0, i, type)) 2390 return 1; 2391 free(ini_file[i]); 2392 } 2393 } 2394 } else if (nr_clients) { 2395 if (fill_def_thread()) 2396 return 1; 2397 if (fio_clients_send_ini(NULL)) 2398 return 1; 2399 } 2400 2401 free(ini_file); 2402 fio_options_free(&def_thread); 2403 filesetup_mem_free(); 2404 2405 if (!thread_number) { 2406 if (parse_dryrun()) 2407 return 0; 2408 if (exec_profile) 2409 return 0; 2410 if (is_backend || nr_clients) 2411 return 0; 2412 if (did_arg) 2413 return 0; 2414 2415 log_err("No jobs(s) defined\n\n"); 2416 2417 if (!did_arg) { 2418 usage(argv[0]); 2419 return 1; 2420 } 2421 2422 return 0; 2423 } 2424 2425 if (output_format == FIO_OUTPUT_NORMAL) 2426 log_info("%s\n", fio_version_string); 2427 2428 return 0; 2429} 2430 2431void options_default_fill(struct thread_options *o) 2432{ 2433 memcpy(o, &def_thread.o, sizeof(*o)); 2434} 2435