init.c revision 92a0daf8163eaa8d117d1e6e4fdc11a8dddac2d2
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#ifndef FIO_NO_HAVE_SHM_H 13#include <sys/shm.h> 14#endif 15#include <sys/types.h> 16#include <sys/stat.h> 17 18#include "fio.h" 19#include "parse.h" 20#include "smalloc.h" 21#include "filehash.h" 22#include "verify.h" 23#include "profile.h" 24#include "server.h" 25 26#include "lib/getopt.h" 27 28const char fio_version_string[] = FIO_VERSION; 29 30#define FIO_RANDSEED (0xb1899bedUL) 31 32static char **ini_file; 33static int max_jobs = FIO_MAX_JOBS; 34static int dump_cmdline; 35static int def_timeout; 36 37static struct thread_data def_thread; 38struct thread_data *threads = NULL; 39 40int exitall_on_terminate = 0; 41int output_format = FIO_OUTPUT_NORMAL; 42int eta_print; 43FILE *f_out = NULL; 44FILE *f_err = NULL; 45char **job_sections = NULL; 46int nr_job_sections = 0; 47char *exec_profile = NULL; 48int warnings_fatal = 0; 49int terse_version = 3; 50int is_backend = 0; 51int nr_clients = 0; 52int log_syslog = 0; 53 54int write_bw_log = 0; 55int read_only = 0; 56 57static int write_lat_log; 58 59static int prev_group_jobs; 60 61unsigned long fio_debug = 0; 62unsigned int fio_debug_jobno = -1; 63unsigned int *fio_debug_jobp = NULL; 64 65static char cmd_optstr[256]; 66static int did_arg; 67 68const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN] = { 69 { .u.f = 1.00 }, 70 { .u.f = 5.00 }, 71 { .u.f = 10.00 }, 72 { .u.f = 20.00 }, 73 { .u.f = 30.00 }, 74 { .u.f = 40.00 }, 75 { .u.f = 50.00 }, 76 { .u.f = 60.00 }, 77 { .u.f = 70.00 }, 78 { .u.f = 80.00 }, 79 { .u.f = 90.00 }, 80 { .u.f = 95.00 }, 81 { .u.f = 99.00 }, 82 { .u.f = 99.50 }, 83 { .u.f = 99.90 }, 84 { .u.f = 99.95 }, 85 { .u.f = 99.99 }, 86}; 87 88#define FIO_CLIENT_FLAG (1 << 16) 89 90/* 91 * Command line options. These will contain the above, plus a few 92 * extra that only pertain to fio itself and not jobs. 93 */ 94static struct option l_opts[FIO_NR_OPTIONS] = { 95 { 96 .name = (char *) "output", 97 .has_arg = required_argument, 98 .val = 'o' | FIO_CLIENT_FLAG, 99 }, 100 { 101 .name = (char *) "timeout", 102 .has_arg = required_argument, 103 .val = 't' | FIO_CLIENT_FLAG, 104 }, 105 { 106 .name = (char *) "latency-log", 107 .has_arg = required_argument, 108 .val = 'l' | FIO_CLIENT_FLAG, 109 }, 110 { 111 .name = (char *) "bandwidth-log", 112 .has_arg = required_argument, 113 .val = 'b' | FIO_CLIENT_FLAG, 114 }, 115 { 116 .name = (char *) "minimal", 117 .has_arg = optional_argument, 118 .val = 'm' | FIO_CLIENT_FLAG, 119 }, 120 { 121 .name = (char *) "output-format", 122 .has_arg = optional_argument, 123 .val = 'F' | FIO_CLIENT_FLAG, 124 }, 125 { 126 .name = (char *) "version", 127 .has_arg = no_argument, 128 .val = 'v' | FIO_CLIENT_FLAG, 129 }, 130 { 131 .name = (char *) "help", 132 .has_arg = no_argument, 133 .val = 'h' | FIO_CLIENT_FLAG, 134 }, 135 { 136 .name = (char *) "cmdhelp", 137 .has_arg = optional_argument, 138 .val = 'c' | FIO_CLIENT_FLAG, 139 }, 140 { 141 .name = (char *) "enghelp", 142 .has_arg = optional_argument, 143 .val = 'i' | FIO_CLIENT_FLAG, 144 }, 145 { 146 .name = (char *) "showcmd", 147 .has_arg = no_argument, 148 .val = 's' | FIO_CLIENT_FLAG, 149 }, 150 { 151 .name = (char *) "readonly", 152 .has_arg = no_argument, 153 .val = 'r' | FIO_CLIENT_FLAG, 154 }, 155 { 156 .name = (char *) "eta", 157 .has_arg = required_argument, 158 .val = 'e' | FIO_CLIENT_FLAG, 159 }, 160 { 161 .name = (char *) "debug", 162 .has_arg = required_argument, 163 .val = 'd' | FIO_CLIENT_FLAG, 164 }, 165 { 166 .name = (char *) "section", 167 .has_arg = required_argument, 168 .val = 'x' | FIO_CLIENT_FLAG, 169 }, 170 { 171 .name = (char *) "alloc-size", 172 .has_arg = required_argument, 173 .val = 'a' | FIO_CLIENT_FLAG, 174 }, 175 { 176 .name = (char *) "profile", 177 .has_arg = required_argument, 178 .val = 'p' | FIO_CLIENT_FLAG, 179 }, 180 { 181 .name = (char *) "warnings-fatal", 182 .has_arg = no_argument, 183 .val = 'w' | FIO_CLIENT_FLAG, 184 }, 185 { 186 .name = (char *) "max-jobs", 187 .has_arg = required_argument, 188 .val = 'j' | FIO_CLIENT_FLAG, 189 }, 190 { 191 .name = (char *) "terse-version", 192 .has_arg = required_argument, 193 .val = 'V' | FIO_CLIENT_FLAG, 194 }, 195 { 196 .name = (char *) "server", 197 .has_arg = optional_argument, 198 .val = 'S', 199 }, 200 { .name = (char *) "daemonize", 201 .has_arg = required_argument, 202 .val = 'D', 203 }, 204 { 205 .name = (char *) "client", 206 .has_arg = required_argument, 207 .val = 'C', 208 }, 209 { 210 .name = (char *) "cpuclock-test", 211 .has_arg = no_argument, 212 .val = 'T', 213 }, 214 { 215 .name = NULL, 216 }, 217}; 218 219void free_threads_shm(void) 220{ 221 struct shmid_ds sbuf; 222 223 if (threads) { 224 void *tp = threads; 225 226 threads = NULL; 227 shmdt(tp); 228 shmctl(shm_id, IPC_RMID, &sbuf); 229 shm_id = -1; 230 } 231} 232 233void free_shm(void) 234{ 235 if (threads) { 236 file_hash_exit(); 237 flow_exit(); 238 fio_debug_jobp = NULL; 239 free_threads_shm(); 240 } 241 242 scleanup(); 243} 244 245/* 246 * The thread area is shared between the main process and the job 247 * threads/processes. So setup a shared memory segment that will hold 248 * all the job info. We use the end of the region for keeping track of 249 * open files across jobs, for file sharing. 250 */ 251static int setup_thread_area(void) 252{ 253 void *hash; 254 255 if (threads) 256 return 0; 257 258 /* 259 * 1024 is too much on some machines, scale max_jobs if 260 * we get a failure that looks like too large a shm segment 261 */ 262 do { 263 size_t size = max_jobs * sizeof(struct thread_data); 264 265 size += file_hash_size; 266 size += sizeof(unsigned int); 267 268 shm_id = shmget(0, size, IPC_CREAT | 0600); 269 if (shm_id != -1) 270 break; 271 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) { 272 perror("shmget"); 273 break; 274 } 275 276 max_jobs >>= 1; 277 } while (max_jobs); 278 279 if (shm_id == -1) 280 return 1; 281 282 threads = shmat(shm_id, NULL, 0); 283 if (threads == (void *) -1) { 284 perror("shmat"); 285 return 1; 286 } 287 288 memset(threads, 0, max_jobs * sizeof(struct thread_data)); 289 hash = (void *) threads + max_jobs * sizeof(struct thread_data); 290 fio_debug_jobp = (void *) hash + file_hash_size; 291 *fio_debug_jobp = -1; 292 file_hash_init(hash); 293 294 flow_init(); 295 296 return 0; 297} 298 299/* 300 * Return a free job structure. 301 */ 302static struct thread_data *get_new_job(int global, struct thread_data *parent, 303 int preserve_eo) 304{ 305 struct thread_data *td; 306 307 if (global) 308 return &def_thread; 309 if (setup_thread_area()) { 310 log_err("error: failed to setup shm segment\n"); 311 return NULL; 312 } 313 if (thread_number >= max_jobs) { 314 log_err("error: maximum number of jobs (%d) reached.\n", 315 max_jobs); 316 return NULL; 317 } 318 319 td = &threads[thread_number++]; 320 *td = *parent; 321 322 td->io_ops = NULL; 323 if (!preserve_eo) 324 td->eo = NULL; 325 326 td->o.uid = td->o.gid = -1U; 327 328 dup_files(td, parent); 329 fio_options_mem_dupe(td); 330 331 profile_add_hooks(td); 332 333 td->thread_number = thread_number; 334 335 if (!parent || !parent->o.group_reporting) 336 stat_number++; 337 338 return td; 339} 340 341static void put_job(struct thread_data *td) 342{ 343 if (td == &def_thread) 344 return; 345 346 profile_td_exit(td); 347 flow_exit_job(td); 348 349 if (td->error) 350 log_info("fio: %s\n", td->verror); 351 352 fio_options_free(td); 353 if (td->io_ops) 354 free_ioengine(td); 355 356 memset(&threads[td->thread_number - 1], 0, sizeof(*td)); 357 thread_number--; 358} 359 360static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) 361{ 362 unsigned int bs = td->o.min_bs[ddir]; 363 364 assert(ddir_rw(ddir)); 365 366 if (td->o.rate[ddir]) 367 td->rate_bps[ddir] = td->o.rate[ddir]; 368 else 369 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs; 370 371 if (!td->rate_bps[ddir]) { 372 log_err("rate lower than supported\n"); 373 return -1; 374 } 375 376 td->rate_pending_usleep[ddir] = 0; 377 return 0; 378} 379 380static int setup_rate(struct thread_data *td) 381{ 382 int ret = 0; 383 384 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) 385 ret = __setup_rate(td, DDIR_READ); 386 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) 387 ret |= __setup_rate(td, DDIR_WRITE); 388 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM]) 389 ret |= __setup_rate(td, DDIR_TRIM); 390 391 return ret; 392} 393 394static int fixed_block_size(struct thread_options *o) 395{ 396 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && 397 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && 398 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] && 399 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] && 400 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM]; 401} 402 403/* 404 * Lazy way of fixing up options that depend on each other. We could also 405 * define option callback handlers, but this is easier. 406 */ 407static int fixup_options(struct thread_data *td) 408{ 409 struct thread_options *o = &td->o; 410 int ret = 0; 411 412#ifndef FIO_HAVE_PSHARED_MUTEX 413 if (!o->use_thread) { 414 log_info("fio: this platform does not support process shared" 415 " mutexes, forcing use of threads. Use the 'thread'" 416 " option to get rid of this warning.\n"); 417 o->use_thread = 1; 418 ret = warnings_fatal; 419 } 420#endif 421 422 if (o->write_iolog_file && o->read_iolog_file) { 423 log_err("fio: read iolog overrides write_iolog\n"); 424 free(o->write_iolog_file); 425 o->write_iolog_file = NULL; 426 ret = warnings_fatal; 427 } 428 429 /* 430 * only really works with 1 file 431 */ 432 if (o->zone_size && o->open_files == 1) 433 o->zone_size = 0; 434 435 /* 436 * If zone_range isn't specified, backward compatibility dictates it 437 * should be made equal to zone_size. 438 */ 439 if (o->zone_size && !o->zone_range) 440 o->zone_range = o->zone_size; 441 442 /* 443 * Reads can do overwrites, we always need to pre-create the file 444 */ 445 if (td_read(td) || td_rw(td)) 446 o->overwrite = 1; 447 448 if (!o->min_bs[DDIR_READ]) 449 o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; 450 if (!o->max_bs[DDIR_READ]) 451 o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; 452 if (!o->min_bs[DDIR_WRITE]) 453 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; 454 if (!o->max_bs[DDIR_WRITE]) 455 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; 456 if (!o->min_bs[DDIR_TRIM]) 457 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM]; 458 if (!o->max_bs[DDIR_TRIM]) 459 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM]; 460 461 462 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); 463 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs); 464 465 /* 466 * For random IO, allow blockalign offset other than min_bs. 467 */ 468 if (!o->ba[DDIR_READ] || !td_random(td)) 469 o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; 470 if (!o->ba[DDIR_WRITE] || !td_random(td)) 471 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; 472 if (!o->ba[DDIR_TRIM] || !td_random(td)) 473 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM]; 474 475 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || 476 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] || 477 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) && 478 !o->norandommap) { 479 log_err("fio: Any use of blockalign= turns off randommap\n"); 480 o->norandommap = 1; 481 ret = warnings_fatal; 482 } 483 484 if (!o->file_size_high) 485 o->file_size_high = o->file_size_low; 486 487 if (o->norandommap && o->verify != VERIFY_NONE 488 && !fixed_block_size(o)) { 489 log_err("fio: norandommap given for variable block sizes, " 490 "verify disabled\n"); 491 o->verify = VERIFY_NONE; 492 ret = warnings_fatal; 493 } 494 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) 495 log_err("fio: bs_unaligned may not work with raw io\n"); 496 497 /* 498 * thinktime_spin must be less than thinktime 499 */ 500 if (o->thinktime_spin > o->thinktime) 501 o->thinktime_spin = o->thinktime; 502 503 /* 504 * The low water mark cannot be bigger than the iodepth 505 */ 506 if (o->iodepth_low > o->iodepth || !o->iodepth_low) { 507 /* 508 * syslet work around - if the workload is sequential, 509 * we want to let the queue drain all the way down to 510 * avoid seeking between async threads 511 */ 512 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) 513 o->iodepth_low = 1; 514 else 515 o->iodepth_low = o->iodepth; 516 } 517 518 /* 519 * If batch number isn't set, default to the same as iodepth 520 */ 521 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) 522 o->iodepth_batch = o->iodepth; 523 524 if (o->nr_files > td->files_index) 525 o->nr_files = td->files_index; 526 527 if (o->open_files > o->nr_files || !o->open_files) 528 o->open_files = o->nr_files; 529 530 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) && 531 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) || 532 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) && 533 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) { 534 log_err("fio: rate and rate_iops are mutually exclusive\n"); 535 ret = 1; 536 } 537 if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) || 538 (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) || 539 (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) || 540 (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) || 541 (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) || 542 (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) { 543 log_err("fio: minimum rate exceeds rate\n"); 544 ret = 1; 545 } 546 547 if (!o->timeout && o->time_based) { 548 log_err("fio: time_based requires a runtime/timeout setting\n"); 549 o->time_based = 0; 550 ret = warnings_fatal; 551 } 552 553 if (o->fill_device && !o->size) 554 o->size = -1ULL; 555 556 if (o->verify != VERIFY_NONE) { 557 if (td_write(td) && o->do_verify && o->numjobs > 1) { 558 log_info("Multiple writers may overwrite blocks that " 559 "belong to other jobs. This can cause " 560 "verification failures.\n"); 561 ret = warnings_fatal; 562 } 563 564 o->refill_buffers = 1; 565 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && 566 !o->verify_interval) 567 o->verify_interval = o->min_bs[DDIR_WRITE]; 568 } 569 570 if (o->pre_read) { 571 o->invalidate_cache = 0; 572 if (td->io_ops->flags & FIO_PIPEIO) { 573 log_info("fio: cannot pre-read files with an IO engine" 574 " that isn't seekable. Pre-read disabled.\n"); 575 ret = warnings_fatal; 576 } 577 } 578 579#ifndef FIO_HAVE_FDATASYNC 580 if (o->fdatasync_blocks) { 581 log_info("fio: this platform does not support fdatasync()" 582 " falling back to using fsync(). Use the 'fsync'" 583 " option instead of 'fdatasync' to get rid of" 584 " this warning\n"); 585 o->fsync_blocks = o->fdatasync_blocks; 586 o->fdatasync_blocks = 0; 587 ret = warnings_fatal; 588 } 589#endif 590 591#ifdef WIN32 592 /* 593 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface, 594 * so fail if we're passed those flags 595 */ 596 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) { 597 log_err("fio: Windows does not support direct or non-buffered io with" 598 " the synchronous ioengines. Use the 'windowsaio' ioengine" 599 " with 'direct=1' and 'iodepth=1' instead.\n"); 600 ret = 1; 601 } 602#endif 603 604 /* 605 * For fully compressible data, just zero them at init time. 606 * It's faster than repeatedly filling it. 607 */ 608 if (td->o.compress_percentage == 100) { 609 td->o.zero_buffers = 1; 610 td->o.compress_percentage = 0; 611 } 612 613 /* 614 * Using a non-uniform random distribution excludes usage of 615 * a random map 616 */ 617 if (td->o.random_distribution != FIO_RAND_DIST_RANDOM) 618 td->o.norandommap = 1; 619 620 return ret; 621} 622 623/* 624 * This function leaks the buffer 625 */ 626char *fio_uint_to_kmg(unsigned int val) 627{ 628 char *buf = malloc(32); 629 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; 630 char *p = post; 631 632 do { 633 if (val & 1023) 634 break; 635 636 val >>= 10; 637 p++; 638 } while (*p); 639 640 snprintf(buf, 31, "%u%c", val, *p); 641 return buf; 642} 643 644/* External engines are specified by "external:name.o") */ 645static const char *get_engine_name(const char *str) 646{ 647 char *p = strstr(str, ":"); 648 649 if (!p) 650 return str; 651 652 p++; 653 strip_blank_front(&p); 654 strip_blank_end(p); 655 return p; 656} 657 658static int exists_and_not_file(const char *filename) 659{ 660 struct stat sb; 661 662 if (lstat(filename, &sb) == -1) 663 return 0; 664 665 /* \\.\ is the device namespace in Windows, where every file 666 * is a device node */ 667 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) 668 return 0; 669 670 return 1; 671} 672 673static void td_fill_rand_seeds_os(struct thread_data *td) 674{ 675 os_random_seed(td->rand_seeds[FIO_RAND_BS_OFF], &td->bsrange_state); 676 os_random_seed(td->rand_seeds[FIO_RAND_VER_OFF], &td->verify_state); 677 os_random_seed(td->rand_seeds[FIO_RAND_MIX_OFF], &td->rwmix_state); 678 679 if (td->o.file_service_type == FIO_FSERVICE_RANDOM) 680 os_random_seed(td->rand_seeds[FIO_RAND_FILE_OFF], &td->next_file_state); 681 682 os_random_seed(td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], &td->file_size_state); 683 os_random_seed(td->rand_seeds[FIO_RAND_TRIM_OFF], &td->trim_state); 684 685 if (!td_random(td)) 686 return; 687 688 if (td->o.rand_repeatable) 689 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number; 690 691 os_random_seed(td->rand_seeds[FIO_RAND_BLOCK_OFF], &td->random_state); 692} 693 694static void td_fill_rand_seeds_internal(struct thread_data *td) 695{ 696 init_rand_seed(&td->__bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]); 697 init_rand_seed(&td->__verify_state, td->rand_seeds[FIO_RAND_VER_OFF]); 698 init_rand_seed(&td->__rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]); 699 700 if (td->o.file_service_type == FIO_FSERVICE_RANDOM) 701 init_rand_seed(&td->__next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]); 702 703 init_rand_seed(&td->__file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]); 704 init_rand_seed(&td->__trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]); 705 706 if (!td_random(td)) 707 return; 708 709 if (td->o.rand_repeatable) 710 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number; 711 712 init_rand_seed(&td->__random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]); 713} 714 715void td_fill_rand_seeds(struct thread_data *td) 716{ 717 if (td->o.use_os_rand) 718 td_fill_rand_seeds_os(td); 719 else 720 td_fill_rand_seeds_internal(td); 721 722 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]); 723} 724 725 726/* 727 * Initializes the ioengine configured for a job, if it has not been done so 728 * already. 729 */ 730int ioengine_load(struct thread_data *td) 731{ 732 const char *engine; 733 734 /* 735 * Engine has already been loaded. 736 */ 737 if (td->io_ops) 738 return 0; 739 740 engine = get_engine_name(td->o.ioengine); 741 td->io_ops = load_ioengine(td, engine); 742 if (!td->io_ops) { 743 log_err("fio: failed to load engine %s\n", engine); 744 return 1; 745 } 746 747 if (td->io_ops->option_struct_size && td->io_ops->options) { 748 /* 749 * In cases where td->eo is set, clone it for a child thread. 750 * This requires that the parent thread has the same ioengine, 751 * but that requirement must be enforced by the code which 752 * cloned the thread. 753 */ 754 void *origeo = td->eo; 755 /* 756 * Otherwise use the default thread options. 757 */ 758 if (!origeo && td != &def_thread && def_thread.eo && 759 def_thread.io_ops->options == td->io_ops->options) 760 origeo = def_thread.eo; 761 762 options_init(td->io_ops->options); 763 td->eo = malloc(td->io_ops->option_struct_size); 764 /* 765 * Use the default thread as an option template if this uses the 766 * same options structure and there are non-default options 767 * used. 768 */ 769 if (origeo) { 770 memcpy(td->eo, origeo, td->io_ops->option_struct_size); 771 options_mem_dupe(td->eo, td->io_ops->options); 772 } else { 773 memset(td->eo, 0, td->io_ops->option_struct_size); 774 fill_default_options(td->eo, td->io_ops->options); 775 } 776 *(struct thread_data **)td->eo = td; 777 } 778 779 return 0; 780} 781 782static void init_flags(struct thread_data *td) 783{ 784 struct thread_options *o = &td->o; 785 786 if (o->verify_backlog) 787 td->flags |= TD_F_VER_BACKLOG; 788 if (o->trim_backlog) 789 td->flags |= TD_F_TRIM_BACKLOG; 790 if (o->read_iolog_file) 791 td->flags |= TD_F_READ_IOLOG; 792 if (o->refill_buffers) 793 td->flags |= TD_F_REFILL_BUFFERS; 794 if (o->scramble_buffers) 795 td->flags |= TD_F_SCRAMBLE_BUFFERS; 796 if (o->verify != VERIFY_NONE) 797 td->flags |= TD_F_VER_NONE; 798} 799 800/* 801 * Adds a job to the list of things todo. Sanitizes the various options 802 * to make sure we don't have conflicts, and initializes various 803 * members of td. 804 */ 805static int add_job(struct thread_data *td, const char *jobname, int job_add_num, 806 int recursed, int client_type) 807{ 808 unsigned int i; 809 char fname[PATH_MAX]; 810 int numjobs, file_alloced; 811 812 /* 813 * the def_thread is just for options, it's not a real job 814 */ 815 if (td == &def_thread) 816 return 0; 817 818 init_flags(td); 819 820 /* 821 * if we are just dumping the output command line, don't add the job 822 */ 823 if (dump_cmdline) { 824 put_job(td); 825 return 0; 826 } 827 828 td->client_type = client_type; 829 830 if (profile_td_init(td)) 831 goto err; 832 833 if (ioengine_load(td)) 834 goto err; 835 836 if (td->o.odirect) 837 td->io_ops->flags |= FIO_RAWIO; 838 839 file_alloced = 0; 840 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { 841 file_alloced = 1; 842 843 if (td->o.nr_files == 1 && exists_and_not_file(jobname)) 844 add_file(td, jobname); 845 else { 846 for (i = 0; i < td->o.nr_files; i++) { 847 sprintf(fname, "%s.%d.%d", jobname, 848 td->thread_number, i); 849 add_file(td, fname); 850 } 851 } 852 } 853 854 if (fixup_options(td)) 855 goto err; 856 857 flow_init_job(td); 858 859 /* 860 * IO engines only need this for option callbacks, and the address may 861 * change in subprocesses. 862 */ 863 if (td->eo) 864 *(struct thread_data **)td->eo = NULL; 865 866 if (td->io_ops->flags & FIO_DISKLESSIO) { 867 struct fio_file *f; 868 869 for_each_file(td, f, i) 870 f->real_file_size = -1ULL; 871 } 872 873 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED); 874 875 td->ts.clat_percentiles = td->o.clat_percentiles; 876 if (td->o.overwrite_plist) 877 memcpy(td->ts.percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list)); 878 else 879 memcpy(td->ts.percentile_list, def_percentile_list, sizeof(def_percentile_list)); 880 881 for (i = 0; i < DDIR_RWDIR_CNT; i++) { 882 td->ts.clat_stat[i].min_val = ULONG_MAX; 883 td->ts.slat_stat[i].min_val = ULONG_MAX; 884 td->ts.lat_stat[i].min_val = ULONG_MAX; 885 td->ts.bw_stat[i].min_val = ULONG_MAX; 886 } 887 td->ddir_seq_nr = td->o.ddir_seq_nr; 888 889 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { 890 prev_group_jobs = 0; 891 groupid++; 892 } 893 894 td->groupid = groupid; 895 prev_group_jobs++; 896 897 if (init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds))) { 898 td_verror(td, errno, "init_random_state"); 899 goto err; 900 } 901 902 if (setup_rate(td)) 903 goto err; 904 905 if (td->o.lat_log_file) { 906 setup_log(&td->lat_log, td->o.log_avg_msec, IO_LOG_TYPE_LAT); 907 setup_log(&td->slat_log, td->o.log_avg_msec, IO_LOG_TYPE_SLAT); 908 setup_log(&td->clat_log, td->o.log_avg_msec, IO_LOG_TYPE_CLAT); 909 } 910 if (td->o.bw_log_file) 911 setup_log(&td->bw_log, td->o.log_avg_msec, IO_LOG_TYPE_BW); 912 if (td->o.iops_log_file) 913 setup_log(&td->iops_log, td->o.log_avg_msec, IO_LOG_TYPE_IOPS); 914 915 if (!td->o.name) 916 td->o.name = strdup(jobname); 917 918 if (output_format == FIO_OUTPUT_NORMAL) { 919 if (!job_add_num) { 920 if (is_backend && !recursed) 921 fio_server_send_add_job(td); 922 923 if (!(td->io_ops->flags & FIO_NOIO)) { 924 char *c1, *c2, *c3, *c4, *c5, *c6; 925 926 c1 = fio_uint_to_kmg(td->o.min_bs[DDIR_READ]); 927 c2 = fio_uint_to_kmg(td->o.max_bs[DDIR_READ]); 928 c3 = fio_uint_to_kmg(td->o.min_bs[DDIR_WRITE]); 929 c4 = fio_uint_to_kmg(td->o.max_bs[DDIR_WRITE]); 930 c5 = fio_uint_to_kmg(td->o.min_bs[DDIR_TRIM]); 931 c6 = fio_uint_to_kmg(td->o.max_bs[DDIR_TRIM]); 932 933 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s/%s-%s," 934 " ioengine=%s, iodepth=%u\n", 935 td->o.name, td->groupid, 936 ddir_str(td->o.td_ddir), 937 c1, c2, c3, c4, c5, c6, 938 td->io_ops->name, 939 td->o.iodepth); 940 941 free(c1); 942 free(c2); 943 free(c3); 944 free(c4); 945 free(c5); 946 free(c6); 947 } 948 } else if (job_add_num == 1) 949 log_info("...\n"); 950 } 951 952 /* 953 * recurse add identical jobs, clear numjobs and stonewall options 954 * as they don't apply to sub-jobs 955 */ 956 numjobs = td->o.numjobs; 957 while (--numjobs) { 958 struct thread_data *td_new = get_new_job(0, td, 1); 959 960 if (!td_new) 961 goto err; 962 963 td_new->o.numjobs = 1; 964 td_new->o.stonewall = 0; 965 td_new->o.new_group = 0; 966 967 if (file_alloced) { 968 td_new->o.filename = NULL; 969 td_new->files_index = 0; 970 td_new->files_size = 0; 971 td_new->files = NULL; 972 } 973 974 job_add_num = numjobs - 1; 975 976 if (add_job(td_new, jobname, job_add_num, 1, client_type)) 977 goto err; 978 } 979 980 return 0; 981err: 982 put_job(td); 983 return -1; 984} 985 986/* 987 * Parse as if 'o' was a command line 988 */ 989void add_job_opts(const char **o, int client_type) 990{ 991 struct thread_data *td, *td_parent; 992 int i, in_global = 1; 993 char jobname[32]; 994 995 i = 0; 996 td_parent = td = NULL; 997 while (o[i]) { 998 if (!strncmp(o[i], "name", 4)) { 999 in_global = 0; 1000 if (td) 1001 add_job(td, jobname, 0, 0, client_type); 1002 td = NULL; 1003 sprintf(jobname, "%s", o[i] + 5); 1004 } 1005 if (in_global && !td_parent) 1006 td_parent = get_new_job(1, &def_thread, 0); 1007 else if (!in_global && !td) { 1008 if (!td_parent) 1009 td_parent = &def_thread; 1010 td = get_new_job(0, td_parent, 0); 1011 } 1012 if (in_global) 1013 fio_options_parse(td_parent, (char **) &o[i], 1); 1014 else 1015 fio_options_parse(td, (char **) &o[i], 1); 1016 i++; 1017 } 1018 1019 if (td) 1020 add_job(td, jobname, 0, 0, client_type); 1021} 1022 1023static int skip_this_section(const char *name) 1024{ 1025 int i; 1026 1027 if (!nr_job_sections) 1028 return 0; 1029 if (!strncmp(name, "global", 6)) 1030 return 0; 1031 1032 for (i = 0; i < nr_job_sections; i++) 1033 if (!strcmp(job_sections[i], name)) 1034 return 0; 1035 1036 return 1; 1037} 1038 1039static int is_empty_or_comment(char *line) 1040{ 1041 unsigned int i; 1042 1043 for (i = 0; i < strlen(line); i++) { 1044 if (line[i] == ';') 1045 return 1; 1046 if (line[i] == '#') 1047 return 1; 1048 if (!isspace((int) line[i]) && !iscntrl((int) line[i])) 1049 return 0; 1050 } 1051 1052 return 1; 1053} 1054 1055/* 1056 * This is our [ini] type file parser. 1057 */ 1058int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type) 1059{ 1060 unsigned int global; 1061 struct thread_data *td; 1062 char *string, *name; 1063 FILE *f; 1064 char *p; 1065 int ret = 0, stonewall; 1066 int first_sect = 1; 1067 int skip_fgets = 0; 1068 int inside_skip = 0; 1069 char **opts; 1070 int i, alloc_opts, num_opts; 1071 1072 if (is_buf) 1073 f = NULL; 1074 else { 1075 if (!strcmp(file, "-")) 1076 f = stdin; 1077 else 1078 f = fopen(file, "r"); 1079 1080 if (!f) { 1081 perror("fopen job file"); 1082 return 1; 1083 } 1084 } 1085 1086 string = malloc(4096); 1087 1088 /* 1089 * it's really 256 + small bit, 280 should suffice 1090 */ 1091 name = malloc(280); 1092 memset(name, 0, 280); 1093 1094 alloc_opts = 8; 1095 opts = malloc(sizeof(char *) * alloc_opts); 1096 num_opts = 0; 1097 1098 stonewall = stonewall_flag; 1099 do { 1100 /* 1101 * if skip_fgets is set, we already have loaded a line we 1102 * haven't handled. 1103 */ 1104 if (!skip_fgets) { 1105 if (is_buf) 1106 p = strsep(&file, "\n"); 1107 else 1108 p = fgets(string, 4096, f); 1109 if (!p) 1110 break; 1111 } 1112 1113 skip_fgets = 0; 1114 strip_blank_front(&p); 1115 strip_blank_end(p); 1116 1117 if (is_empty_or_comment(p)) 1118 continue; 1119 if (sscanf(p, "[%255[^\n]]", name) != 1) { 1120 if (inside_skip) 1121 continue; 1122 log_err("fio: option <%s> outside of [] job section\n", 1123 p); 1124 break; 1125 } 1126 1127 name[strlen(name) - 1] = '\0'; 1128 1129 if (skip_this_section(name)) { 1130 inside_skip = 1; 1131 continue; 1132 } else 1133 inside_skip = 0; 1134 1135 global = !strncmp(name, "global", 6); 1136 1137 if (dump_cmdline) { 1138 if (first_sect) 1139 log_info("fio "); 1140 if (!global) 1141 log_info("--name=%s ", name); 1142 first_sect = 0; 1143 } 1144 1145 td = get_new_job(global, &def_thread, 0); 1146 if (!td) { 1147 ret = 1; 1148 break; 1149 } 1150 1151 /* 1152 * Seperate multiple job files by a stonewall 1153 */ 1154 if (!global && stonewall) { 1155 td->o.stonewall = stonewall; 1156 stonewall = 0; 1157 } 1158 1159 num_opts = 0; 1160 memset(opts, 0, alloc_opts * sizeof(char *)); 1161 1162 while (1) { 1163 if (is_buf) 1164 p = strsep(&file, "\n"); 1165 else 1166 p = fgets(string, 4096, f); 1167 if (!p) 1168 break; 1169 1170 if (is_empty_or_comment(p)) 1171 continue; 1172 1173 strip_blank_front(&p); 1174 1175 /* 1176 * new section, break out and make sure we don't 1177 * fgets() a new line at the top. 1178 */ 1179 if (p[0] == '[') { 1180 skip_fgets = 1; 1181 break; 1182 } 1183 1184 strip_blank_end(p); 1185 1186 if (num_opts == alloc_opts) { 1187 alloc_opts <<= 1; 1188 opts = realloc(opts, 1189 alloc_opts * sizeof(char *)); 1190 } 1191 1192 opts[num_opts] = strdup(p); 1193 num_opts++; 1194 } 1195 1196 ret = fio_options_parse(td, opts, num_opts); 1197 if (!ret) { 1198 if (dump_cmdline) 1199 for (i = 0; i < num_opts; i++) 1200 log_info("--%s ", opts[i]); 1201 1202 ret = add_job(td, name, 0, 0, type); 1203 } else { 1204 log_err("fio: job %s dropped\n", name); 1205 put_job(td); 1206 } 1207 1208 for (i = 0; i < num_opts; i++) 1209 free(opts[i]); 1210 num_opts = 0; 1211 } while (!ret); 1212 1213 if (dump_cmdline) 1214 log_info("\n"); 1215 1216 i = 0; 1217 while (i < nr_job_sections) { 1218 free(job_sections[i]); 1219 i++; 1220 } 1221 1222 for (i = 0; i < num_opts; i++) 1223 free(opts[i]); 1224 1225 free(string); 1226 free(name); 1227 free(opts); 1228 if (!is_buf && f != stdin) 1229 fclose(f); 1230 return ret; 1231} 1232 1233static int fill_def_thread(void) 1234{ 1235 memset(&def_thread, 0, sizeof(def_thread)); 1236 1237 fio_getaffinity(getpid(), &def_thread.o.cpumask); 1238 def_thread.o.timeout = def_timeout; 1239 def_thread.o.error_dump = 1; 1240 /* 1241 * fill default options 1242 */ 1243 fio_fill_default_options(&def_thread); 1244 return 0; 1245} 1246 1247static void usage(const char *name) 1248{ 1249 printf("%s\n", fio_version_string); 1250 printf("%s [options] [job options] <job file(s)>\n", name); 1251 printf(" --debug=options\tEnable debug logging. May be one/more of:\n" 1252 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n" 1253 "\t\t\tdiskutil,job,mutex,profile,time,net\n"); 1254 printf(" --output\t\tWrite output to file\n"); 1255 printf(" --runtime\t\tRuntime in seconds\n"); 1256 printf(" --latency-log\t\tGenerate per-job latency logs\n"); 1257 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n"); 1258 printf(" --minimal\t\tMinimal (terse) output\n"); 1259 printf(" --output-format=x\tOutput format (terse,json,normal)\n"); 1260 printf(" --terse-version=x\tSet terse version output format to 'x'\n"); 1261 printf(" --version\t\tPrint version info and exit\n"); 1262 printf(" --help\t\tPrint this page\n"); 1263 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n"); 1264 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of" 1265 " them\n"); 1266 printf(" --enghelp=engine\tPrint ioengine help, or list" 1267 " available ioengines\n"); 1268 printf(" --enghelp=engine,cmd\tPrint help for an ioengine" 1269 " cmd\n"); 1270 printf(" --showcmd\t\tTurn a job file into command line options\n"); 1271 printf(" --eta=when\t\tWhen ETA estimate should be printed\n"); 1272 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n"); 1273 printf(" --readonly\t\tTurn on safety read-only checks, preventing" 1274 " writes\n"); 1275 printf(" --section=name\tOnly run specified section in job file\n"); 1276 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb" 1277 " (def 1024)\n"); 1278 printf(" --warnings-fatal\tFio parser warnings are fatal\n"); 1279 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n"); 1280 printf(" --server=args\t\tStart a backend fio server\n"); 1281 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n"); 1282 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n"); 1283 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); 1284 printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); 1285} 1286 1287#ifdef FIO_INC_DEBUG 1288struct debug_level debug_levels[] = { 1289 { .name = "process", 1290 .help = "Process creation/exit logging", 1291 .shift = FD_PROCESS, 1292 }, 1293 { .name = "file", 1294 .help = "File related action logging", 1295 .shift = FD_FILE, 1296 }, 1297 { .name = "io", 1298 .help = "IO and IO engine action logging (offsets, queue, completions, etc)", 1299 .shift = FD_IO, 1300 }, 1301 { .name = "mem", 1302 .help = "Memory allocation/freeing logging", 1303 .shift = FD_MEM, 1304 }, 1305 { .name = "blktrace", 1306 .help = "blktrace action logging", 1307 .shift = FD_BLKTRACE, 1308 }, 1309 { .name = "verify", 1310 .help = "IO verification action logging", 1311 .shift = FD_VERIFY, 1312 }, 1313 { .name = "random", 1314 .help = "Random generation logging", 1315 .shift = FD_RANDOM, 1316 }, 1317 { .name = "parse", 1318 .help = "Parser logging", 1319 .shift = FD_PARSE, 1320 }, 1321 { .name = "diskutil", 1322 .help = "Disk utility logging actions", 1323 .shift = FD_DISKUTIL, 1324 }, 1325 { .name = "job", 1326 .help = "Logging related to creating/destroying jobs", 1327 .shift = FD_JOB, 1328 }, 1329 { .name = "mutex", 1330 .help = "Mutex logging", 1331 .shift = FD_MUTEX 1332 }, 1333 { .name = "profile", 1334 .help = "Logging related to profiles", 1335 .shift = FD_PROFILE, 1336 }, 1337 { .name = "time", 1338 .help = "Logging related to time keeping functions", 1339 .shift = FD_TIME, 1340 }, 1341 { .name = "net", 1342 .help = "Network logging", 1343 .shift = FD_NET, 1344 }, 1345 { .name = NULL, }, 1346}; 1347 1348static int set_debug(const char *string) 1349{ 1350 struct debug_level *dl; 1351 char *p = (char *) string; 1352 char *opt; 1353 int i; 1354 1355 if (!strcmp(string, "?") || !strcmp(string, "help")) { 1356 log_info("fio: dumping debug options:"); 1357 for (i = 0; debug_levels[i].name; i++) { 1358 dl = &debug_levels[i]; 1359 log_info("%s,", dl->name); 1360 } 1361 log_info("all\n"); 1362 return 1; 1363 } 1364 1365 while ((opt = strsep(&p, ",")) != NULL) { 1366 int found = 0; 1367 1368 if (!strncmp(opt, "all", 3)) { 1369 log_info("fio: set all debug options\n"); 1370 fio_debug = ~0UL; 1371 continue; 1372 } 1373 1374 for (i = 0; debug_levels[i].name; i++) { 1375 dl = &debug_levels[i]; 1376 found = !strncmp(opt, dl->name, strlen(dl->name)); 1377 if (!found) 1378 continue; 1379 1380 if (dl->shift == FD_JOB) { 1381 opt = strchr(opt, ':'); 1382 if (!opt) { 1383 log_err("fio: missing job number\n"); 1384 break; 1385 } 1386 opt++; 1387 fio_debug_jobno = atoi(opt); 1388 log_info("fio: set debug jobno %d\n", 1389 fio_debug_jobno); 1390 } else { 1391 log_info("fio: set debug option %s\n", opt); 1392 fio_debug |= (1UL << dl->shift); 1393 } 1394 break; 1395 } 1396 1397 if (!found) 1398 log_err("fio: debug mask %s not found\n", opt); 1399 } 1400 return 0; 1401} 1402#else 1403static int set_debug(const char *string) 1404{ 1405 log_err("fio: debug tracing not included in build\n"); 1406 return 1; 1407} 1408#endif 1409 1410static void fio_options_fill_optstring(void) 1411{ 1412 char *ostr = cmd_optstr; 1413 int i, c; 1414 1415 c = i = 0; 1416 while (l_opts[i].name) { 1417 ostr[c++] = l_opts[i].val; 1418 if (l_opts[i].has_arg == required_argument) 1419 ostr[c++] = ':'; 1420 else if (l_opts[i].has_arg == optional_argument) { 1421 ostr[c++] = ':'; 1422 ostr[c++] = ':'; 1423 } 1424 i++; 1425 } 1426 ostr[c] = '\0'; 1427} 1428 1429static int client_flag_set(char c) 1430{ 1431 int i; 1432 1433 i = 0; 1434 while (l_opts[i].name) { 1435 int val = l_opts[i].val; 1436 1437 if (c == (val & 0xff)) 1438 return (val & FIO_CLIENT_FLAG); 1439 1440 i++; 1441 } 1442 1443 return 0; 1444} 1445 1446void parse_cmd_client(void *client, char *opt) 1447{ 1448 fio_client_add_cmd_option(client, opt); 1449} 1450 1451int parse_cmd_line(int argc, char *argv[], int client_type) 1452{ 1453 struct thread_data *td = NULL; 1454 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; 1455 char *ostr = cmd_optstr; 1456 void *pid_file = NULL; 1457 void *cur_client = NULL; 1458 int backend = 0; 1459 1460 /* 1461 * Reset optind handling, since we may call this multiple times 1462 * for the backend. 1463 */ 1464 optind = 1; 1465 1466 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { 1467 did_arg = 1; 1468 1469 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) { 1470 parse_cmd_client(cur_client, argv[optind - 1]); 1471 c &= ~FIO_CLIENT_FLAG; 1472 } 1473 1474 switch (c) { 1475 case 'a': 1476 smalloc_pool_size = atoi(optarg); 1477 break; 1478 case 't': 1479 def_timeout = atoi(optarg); 1480 break; 1481 case 'l': 1482 write_lat_log = 1; 1483 break; 1484 case 'b': 1485 write_bw_log = 1; 1486 break; 1487 case 'o': 1488 f_out = fopen(optarg, "w+"); 1489 if (!f_out) { 1490 perror("fopen output"); 1491 exit(1); 1492 } 1493 f_err = f_out; 1494 break; 1495 case 'm': 1496 output_format = FIO_OUTPUT_TERSE; 1497 break; 1498 case 'F': 1499 if (!strcmp(optarg, "minimal") || 1500 !strcmp(optarg, "terse") || 1501 !strcmp(optarg, "csv")) 1502 output_format = FIO_OUTPUT_TERSE; 1503 else if (!strcmp(optarg, "json")) 1504 output_format = FIO_OUTPUT_JSON; 1505 else 1506 output_format = FIO_OUTPUT_NORMAL; 1507 break; 1508 case 'h': 1509 if (!cur_client) { 1510 usage(argv[0]); 1511 do_exit++; 1512 } 1513 break; 1514 case 'c': 1515 if (!cur_client) { 1516 fio_show_option_help(optarg); 1517 do_exit++; 1518 } 1519 break; 1520 case 'i': 1521 if (!cur_client) { 1522 fio_show_ioengine_help(optarg); 1523 do_exit++; 1524 } 1525 break; 1526 case 's': 1527 dump_cmdline = 1; 1528 break; 1529 case 'r': 1530 read_only = 1; 1531 break; 1532 case 'v': 1533 if (!cur_client) { 1534 log_info("%s\n", fio_version_string); 1535 do_exit++; 1536 } 1537 break; 1538 case 'V': 1539 terse_version = atoi(optarg); 1540 if (!(terse_version == 2 || terse_version == 3 || 1541 terse_version == 4)) { 1542 log_err("fio: bad terse version format\n"); 1543 exit_val = 1; 1544 do_exit++; 1545 } 1546 break; 1547 case 'e': 1548 if (!strcmp("always", optarg)) 1549 eta_print = FIO_ETA_ALWAYS; 1550 else if (!strcmp("never", optarg)) 1551 eta_print = FIO_ETA_NEVER; 1552 break; 1553 case 'd': 1554 if (set_debug(optarg)) 1555 do_exit++; 1556 break; 1557 case 'x': { 1558 size_t new_size; 1559 1560 if (!strcmp(optarg, "global")) { 1561 log_err("fio: can't use global as only " 1562 "section\n"); 1563 do_exit++; 1564 exit_val = 1; 1565 break; 1566 } 1567 new_size = (nr_job_sections + 1) * sizeof(char *); 1568 job_sections = realloc(job_sections, new_size); 1569 job_sections[nr_job_sections] = strdup(optarg); 1570 nr_job_sections++; 1571 break; 1572 } 1573 case 'p': 1574 exec_profile = strdup(optarg); 1575 break; 1576 case FIO_GETOPT_JOB: { 1577 const char *opt = l_opts[lidx].name; 1578 char *val = optarg; 1579 1580 if (!strncmp(opt, "name", 4) && td) { 1581 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); 1582 if (ret) 1583 return 0; 1584 td = NULL; 1585 } 1586 if (!td) { 1587 int is_section = !strncmp(opt, "name", 4); 1588 int global = 0; 1589 1590 if (!is_section || !strncmp(val, "global", 6)) 1591 global = 1; 1592 1593 if (is_section && skip_this_section(val)) 1594 continue; 1595 1596 td = get_new_job(global, &def_thread, 1); 1597 if (!td || ioengine_load(td)) 1598 return 0; 1599 fio_options_set_ioengine_opts(l_opts, td); 1600 } 1601 1602 ret = fio_cmd_option_parse(td, opt, val); 1603 1604 if (!ret && !strcmp(opt, "ioengine")) { 1605 free_ioengine(td); 1606 if (ioengine_load(td)) 1607 return 0; 1608 fio_options_set_ioengine_opts(l_opts, td); 1609 } 1610 break; 1611 } 1612 case FIO_GETOPT_IOENGINE: { 1613 const char *opt = l_opts[lidx].name; 1614 char *val = optarg; 1615 opt = l_opts[lidx].name; 1616 val = optarg; 1617 ret = fio_cmd_ioengine_option_parse(td, opt, val); 1618 break; 1619 } 1620 case 'w': 1621 warnings_fatal = 1; 1622 break; 1623 case 'j': 1624 max_jobs = atoi(optarg); 1625 if (!max_jobs || max_jobs > REAL_MAX_JOBS) { 1626 log_err("fio: invalid max jobs: %d\n", max_jobs); 1627 do_exit++; 1628 exit_val = 1; 1629 } 1630 break; 1631 case 'S': 1632 if (nr_clients) { 1633 log_err("fio: can't be both client and server\n"); 1634 do_exit++; 1635 exit_val = 1; 1636 break; 1637 } 1638 if (optarg) 1639 fio_server_set_arg(optarg); 1640 is_backend = 1; 1641 backend = 1; 1642 break; 1643 case 'D': 1644 pid_file = strdup(optarg); 1645 break; 1646 case 'C': 1647 if (is_backend) { 1648 log_err("fio: can't be both client and server\n"); 1649 do_exit++; 1650 exit_val = 1; 1651 break; 1652 } 1653 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) { 1654 log_err("fio: failed adding client %s\n", optarg); 1655 do_exit++; 1656 exit_val = 1; 1657 break; 1658 } 1659 /* 1660 * If the next argument exists and isn't an option, 1661 * assume it's a job file for this client only. 1662 */ 1663 while (optind < argc) { 1664 if (!strncmp(argv[optind], "--", 2) || 1665 !strncmp(argv[optind], "-", 1)) 1666 break; 1667 1668 fio_client_add_ini_file(cur_client, argv[optind]); 1669 optind++; 1670 } 1671 break; 1672 case 'T': 1673 do_exit++; 1674 exit_val = fio_monotonic_clocktest(); 1675 break; 1676 default: 1677 do_exit++; 1678 exit_val = 1; 1679 break; 1680 } 1681 if (do_exit) 1682 break; 1683 } 1684 1685 if (do_exit) { 1686 if (exit_val && !(is_backend || nr_clients)) 1687 exit(exit_val); 1688 } 1689 1690 if (nr_clients && fio_clients_connect()) { 1691 do_exit++; 1692 exit_val = 1; 1693 return -1; 1694 } 1695 1696 if (is_backend && backend) 1697 return fio_start_server(pid_file); 1698 1699 if (td) { 1700 if (!ret) 1701 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); 1702 } 1703 1704 while (!ret && optind < argc) { 1705 ini_idx++; 1706 ini_file = realloc(ini_file, ini_idx * sizeof(char *)); 1707 ini_file[ini_idx - 1] = strdup(argv[optind]); 1708 optind++; 1709 } 1710 1711 return ini_idx; 1712} 1713 1714int fio_init_options(void) 1715{ 1716 f_out = stdout; 1717 f_err = stderr; 1718 1719 fio_options_fill_optstring(); 1720 fio_options_dup_and_init(l_opts); 1721 1722 atexit(free_shm); 1723 1724 if (fill_def_thread()) 1725 return 1; 1726 1727 return 0; 1728} 1729 1730extern int fio_check_options(struct thread_options *); 1731 1732int parse_options(int argc, char *argv[]) 1733{ 1734 const int type = FIO_CLIENT_TYPE_CLI; 1735 int job_files, i; 1736 1737 if (fio_init_options()) 1738 return 1; 1739 if (fio_test_cconv(&def_thread.o)) 1740 log_err("fio: failed internal cconv test\n"); 1741 1742 job_files = parse_cmd_line(argc, argv, type); 1743 1744 if (job_files > 0) { 1745 for (i = 0; i < job_files; i++) { 1746 if (fill_def_thread()) 1747 return 1; 1748 if (nr_clients) { 1749 if (fio_clients_send_ini(ini_file[i])) 1750 return 1; 1751 free(ini_file[i]); 1752 } else if (!is_backend) { 1753 if (parse_jobs_ini(ini_file[i], 0, i, type)) 1754 return 1; 1755 free(ini_file[i]); 1756 } 1757 } 1758 } else if (nr_clients) { 1759 if (fill_def_thread()) 1760 return 1; 1761 if (fio_clients_send_ini(NULL)) 1762 return 1; 1763 } 1764 1765 free(ini_file); 1766 fio_options_free(&def_thread); 1767 1768 if (!thread_number) { 1769 if (dump_cmdline) 1770 return 0; 1771 if (exec_profile) 1772 return 0; 1773 if (is_backend || nr_clients) 1774 return 0; 1775 if (did_arg) 1776 return 0; 1777 1778 log_err("No jobs(s) defined\n\n"); 1779 1780 if (!did_arg) { 1781 usage(argv[0]); 1782 return 1; 1783 } 1784 1785 return 0; 1786 } 1787 1788 if (def_thread.o.gtod_offload) { 1789 fio_gtod_init(); 1790 fio_gtod_offload = 1; 1791 fio_gtod_cpu = def_thread.o.gtod_cpu; 1792 } 1793 1794 if (output_format == FIO_OUTPUT_NORMAL) 1795 log_info("%s\n", fio_version_string); 1796 1797 return 0; 1798} 1799 1800void options_default_fill(struct thread_options *o) 1801{ 1802 memcpy(o, &def_thread.o, sizeof(*o)); 1803} 1804