1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <unistd.h> 4 #include <ctype.h> 5 #include <string.h> 6 #include <assert.h> 7 #include <libgen.h> 8 #include <fcntl.h> 9 #include <sys/types.h> 10 #include <sys/stat.h> 11 12 #include "fio.h" 13 #include "verify.h" 14 #include "parse.h" 15 #include "lib/fls.h" 16 #include "options.h" 17 18 #include "crc/crc32c.h" 19 20 /* 21 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. 22 */ 23 static char *get_opt_postfix(const char *str) 24 { 25 char *p = strstr(str, ":"); 26 27 if (!p) 28 return NULL; 29 30 p++; 31 strip_blank_front(&p); 32 strip_blank_end(p); 33 return strdup(p); 34 } 35 36 static int converthexchartoint(char a) 37 { 38 int base; 39 40 switch (a) { 41 case '0'...'9': 42 base = '0'; 43 break; 44 case 'A'...'F': 45 base = 'A' - 10; 46 break; 47 case 'a'...'f': 48 base = 'a' - 10; 49 break; 50 default: 51 base = 0; 52 } 53 return a - base; 54 } 55 56 static int bs_cmp(const void *p1, const void *p2) 57 { 58 const struct bssplit *bsp1 = p1; 59 const struct bssplit *bsp2 = p2; 60 61 return bsp1->perc < bsp2->perc; 62 } 63 64 static int bssplit_ddir(struct thread_options *o, int ddir, char *str) 65 { 66 struct bssplit *bssplit; 67 unsigned int i, perc, perc_missing; 68 unsigned int max_bs, min_bs; 69 long long val; 70 char *fname; 71 72 o->bssplit_nr[ddir] = 4; 73 bssplit = malloc(4 * sizeof(struct bssplit)); 74 75 i = 0; 76 max_bs = 0; 77 min_bs = -1; 78 while ((fname = strsep(&str, ":")) != NULL) { 79 char *perc_str; 80 81 if (!strlen(fname)) 82 break; 83 84 /* 85 * grow struct buffer, if needed 86 */ 87 if (i == o->bssplit_nr[ddir]) { 88 o->bssplit_nr[ddir] <<= 1; 89 bssplit = realloc(bssplit, o->bssplit_nr[ddir] 90 * sizeof(struct bssplit)); 91 } 92 93 perc_str = strstr(fname, "/"); 94 if (perc_str) { 95 *perc_str = '\0'; 96 perc_str++; 97 perc = atoi(perc_str); 98 if (perc > 100) 99 perc = 100; 100 else if (!perc) 101 perc = -1U; 102 } else 103 perc = -1U; 104 105 if (str_to_decimal(fname, &val, 1, o, 0, 0)) { 106 log_err("fio: bssplit conversion failed\n"); 107 free(bssplit); 108 return 1; 109 } 110 111 if (val > max_bs) 112 max_bs = val; 113 if (val < min_bs) 114 min_bs = val; 115 116 bssplit[i].bs = val; 117 bssplit[i].perc = perc; 118 i++; 119 } 120 121 o->bssplit_nr[ddir] = i; 122 123 /* 124 * Now check if the percentages add up, and how much is missing 125 */ 126 perc = perc_missing = 0; 127 for (i = 0; i < o->bssplit_nr[ddir]; i++) { 128 struct bssplit *bsp = &bssplit[i]; 129 130 if (bsp->perc == -1U) 131 perc_missing++; 132 else 133 perc += bsp->perc; 134 } 135 136 if (perc > 100 && perc_missing > 1) { 137 log_err("fio: bssplit percentages add to more than 100%%\n"); 138 free(bssplit); 139 return 1; 140 } 141 142 /* 143 * If values didn't have a percentage set, divide the remains between 144 * them. 145 */ 146 if (perc_missing) { 147 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1) 148 perc = 100; 149 for (i = 0; i < o->bssplit_nr[ddir]; i++) { 150 struct bssplit *bsp = &bssplit[i]; 151 152 if (bsp->perc == -1U) 153 bsp->perc = (100 - perc) / perc_missing; 154 } 155 } 156 157 o->min_bs[ddir] = min_bs; 158 o->max_bs[ddir] = max_bs; 159 160 /* 161 * now sort based on percentages, for ease of lookup 162 */ 163 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp); 164 o->bssplit[ddir] = bssplit; 165 return 0; 166 } 167 168 static int str_bssplit_cb(void *data, const char *input) 169 { 170 struct thread_data *td = data; 171 char *str, *p, *odir, *ddir; 172 int ret = 0; 173 174 if (parse_dryrun()) 175 return 0; 176 177 p = str = strdup(input); 178 179 strip_blank_front(&str); 180 strip_blank_end(str); 181 182 odir = strchr(str, ','); 183 if (odir) { 184 ddir = strchr(odir + 1, ','); 185 if (ddir) { 186 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1); 187 if (!ret) 188 *ddir = '\0'; 189 } else { 190 char *op; 191 192 op = strdup(odir + 1); 193 ret = bssplit_ddir(&td->o, DDIR_TRIM, op); 194 195 free(op); 196 } 197 if (!ret) 198 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1); 199 if (!ret) { 200 *odir = '\0'; 201 ret = bssplit_ddir(&td->o, DDIR_READ, str); 202 } 203 } else { 204 char *op; 205 206 op = strdup(str); 207 ret = bssplit_ddir(&td->o, DDIR_WRITE, op); 208 free(op); 209 210 if (!ret) { 211 op = strdup(str); 212 ret = bssplit_ddir(&td->o, DDIR_TRIM, op); 213 free(op); 214 } 215 ret = bssplit_ddir(&td->o, DDIR_READ, str); 216 } 217 218 free(p); 219 return ret; 220 } 221 222 static int str2error(char *str) 223 { 224 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO", 225 "ENXIO", "E2BIG", "ENOEXEC", "EBADF", 226 "ECHILD", "EAGAIN", "ENOMEM", "EACCES", 227 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST", 228 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR", 229 "EINVAL", "ENFILE", "EMFILE", "ENOTTY", 230 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE", 231 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" }; 232 int i = 0, num = sizeof(err) / sizeof(void *); 233 234 while (i < num) { 235 if (!strcmp(err[i], str)) 236 return i + 1; 237 i++; 238 } 239 return 0; 240 } 241 242 static int ignore_error_type(struct thread_data *td, int etype, char *str) 243 { 244 unsigned int i; 245 int *error; 246 char *fname; 247 248 if (etype >= ERROR_TYPE_CNT) { 249 log_err("Illegal error type\n"); 250 return 1; 251 } 252 253 td->o.ignore_error_nr[etype] = 4; 254 error = malloc(4 * sizeof(struct bssplit)); 255 256 i = 0; 257 while ((fname = strsep(&str, ":")) != NULL) { 258 259 if (!strlen(fname)) 260 break; 261 262 /* 263 * grow struct buffer, if needed 264 */ 265 if (i == td->o.ignore_error_nr[etype]) { 266 td->o.ignore_error_nr[etype] <<= 1; 267 error = realloc(error, td->o.ignore_error_nr[etype] 268 * sizeof(int)); 269 } 270 if (fname[0] == 'E') { 271 error[i] = str2error(fname); 272 } else { 273 error[i] = atoi(fname); 274 if (error[i] < 0) 275 error[i] = -error[i]; 276 } 277 if (!error[i]) { 278 log_err("Unknown error %s, please use number value \n", 279 fname); 280 free(error); 281 return 1; 282 } 283 i++; 284 } 285 if (i) { 286 td->o.continue_on_error |= 1 << etype; 287 td->o.ignore_error_nr[etype] = i; 288 td->o.ignore_error[etype] = error; 289 } else 290 free(error); 291 292 return 0; 293 294 } 295 296 static int str_ignore_error_cb(void *data, const char *input) 297 { 298 struct thread_data *td = data; 299 char *str, *p, *n; 300 int type = 0, ret = 1; 301 302 if (parse_dryrun()) 303 return 0; 304 305 p = str = strdup(input); 306 307 strip_blank_front(&str); 308 strip_blank_end(str); 309 310 while (p) { 311 n = strchr(p, ','); 312 if (n) 313 *n++ = '\0'; 314 ret = ignore_error_type(td, type, p); 315 if (ret) 316 break; 317 p = n; 318 type++; 319 } 320 free(str); 321 return ret; 322 } 323 324 static int str_rw_cb(void *data, const char *str) 325 { 326 struct thread_data *td = data; 327 struct thread_options *o = &td->o; 328 char *nr; 329 330 if (parse_dryrun()) 331 return 0; 332 333 o->ddir_seq_nr = 1; 334 o->ddir_seq_add = 0; 335 336 nr = get_opt_postfix(str); 337 if (!nr) 338 return 0; 339 340 if (td_random(td)) 341 o->ddir_seq_nr = atoi(nr); 342 else { 343 long long val; 344 345 if (str_to_decimal(nr, &val, 1, o, 0, 0)) { 346 log_err("fio: rw postfix parsing failed\n"); 347 free(nr); 348 return 1; 349 } 350 351 o->ddir_seq_add = val; 352 } 353 354 free(nr); 355 return 0; 356 } 357 358 static int str_mem_cb(void *data, const char *mem) 359 { 360 struct thread_data *td = data; 361 362 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) 363 td->o.mmapfile = get_opt_postfix(mem); 364 365 return 0; 366 } 367 368 static int fio_clock_source_cb(void *data, const char *str) 369 { 370 struct thread_data *td = data; 371 372 fio_clock_source = td->o.clocksource; 373 fio_clock_source_set = 1; 374 fio_clock_init(); 375 return 0; 376 } 377 378 static int str_rwmix_read_cb(void *data, unsigned long long *val) 379 { 380 struct thread_data *td = data; 381 382 td->o.rwmix[DDIR_READ] = *val; 383 td->o.rwmix[DDIR_WRITE] = 100 - *val; 384 return 0; 385 } 386 387 static int str_rwmix_write_cb(void *data, unsigned long long *val) 388 { 389 struct thread_data *td = data; 390 391 td->o.rwmix[DDIR_WRITE] = *val; 392 td->o.rwmix[DDIR_READ] = 100 - *val; 393 return 0; 394 } 395 396 static int str_exitall_cb(void) 397 { 398 exitall_on_terminate = 1; 399 return 0; 400 } 401 402 #ifdef FIO_HAVE_CPU_AFFINITY 403 int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index) 404 { 405 unsigned int i, index, cpus_in_mask; 406 const long max_cpu = cpus_online(); 407 408 cpus_in_mask = fio_cpu_count(mask); 409 cpu_index = cpu_index % cpus_in_mask; 410 411 index = 0; 412 for (i = 0; i < max_cpu; i++) { 413 if (!fio_cpu_isset(mask, i)) 414 continue; 415 416 if (cpu_index != index) 417 fio_cpu_clear(mask, i); 418 419 index++; 420 } 421 422 return fio_cpu_count(mask); 423 } 424 425 static int str_cpumask_cb(void *data, unsigned long long *val) 426 { 427 struct thread_data *td = data; 428 unsigned int i; 429 long max_cpu; 430 int ret; 431 432 if (parse_dryrun()) 433 return 0; 434 435 ret = fio_cpuset_init(&td->o.cpumask); 436 if (ret < 0) { 437 log_err("fio: cpuset_init failed\n"); 438 td_verror(td, ret, "fio_cpuset_init"); 439 return 1; 440 } 441 442 max_cpu = cpus_online(); 443 444 for (i = 0; i < sizeof(int) * 8; i++) { 445 if ((1 << i) & *val) { 446 if (i > max_cpu) { 447 log_err("fio: CPU %d too large (max=%ld)\n", i, 448 max_cpu); 449 return 1; 450 } 451 dprint(FD_PARSE, "set cpu allowed %d\n", i); 452 fio_cpu_set(&td->o.cpumask, i); 453 } 454 } 455 456 return 0; 457 } 458 459 static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask, 460 const char *input) 461 { 462 char *cpu, *str, *p; 463 long max_cpu; 464 int ret = 0; 465 466 ret = fio_cpuset_init(mask); 467 if (ret < 0) { 468 log_err("fio: cpuset_init failed\n"); 469 td_verror(td, ret, "fio_cpuset_init"); 470 return 1; 471 } 472 473 p = str = strdup(input); 474 475 strip_blank_front(&str); 476 strip_blank_end(str); 477 478 max_cpu = cpus_online(); 479 480 while ((cpu = strsep(&str, ",")) != NULL) { 481 char *str2, *cpu2; 482 int icpu, icpu2; 483 484 if (!strlen(cpu)) 485 break; 486 487 str2 = cpu; 488 icpu2 = -1; 489 while ((cpu2 = strsep(&str2, "-")) != NULL) { 490 if (!strlen(cpu2)) 491 break; 492 493 icpu2 = atoi(cpu2); 494 } 495 496 icpu = atoi(cpu); 497 if (icpu2 == -1) 498 icpu2 = icpu; 499 while (icpu <= icpu2) { 500 if (icpu >= FIO_MAX_CPUS) { 501 log_err("fio: your OS only supports up to" 502 " %d CPUs\n", (int) FIO_MAX_CPUS); 503 ret = 1; 504 break; 505 } 506 if (icpu > max_cpu) { 507 log_err("fio: CPU %d too large (max=%ld)\n", 508 icpu, max_cpu); 509 ret = 1; 510 break; 511 } 512 513 dprint(FD_PARSE, "set cpu allowed %d\n", icpu); 514 fio_cpu_set(mask, icpu); 515 icpu++; 516 } 517 if (ret) 518 break; 519 } 520 521 free(p); 522 return ret; 523 } 524 525 static int str_cpus_allowed_cb(void *data, const char *input) 526 { 527 struct thread_data *td = data; 528 529 if (parse_dryrun()) 530 return 0; 531 532 return set_cpus_allowed(td, &td->o.cpumask, input); 533 } 534 535 static int str_verify_cpus_allowed_cb(void *data, const char *input) 536 { 537 struct thread_data *td = data; 538 539 return set_cpus_allowed(td, &td->o.verify_cpumask, input); 540 } 541 #endif 542 543 #ifdef CONFIG_LIBNUMA 544 static int str_numa_cpunodes_cb(void *data, char *input) 545 { 546 struct thread_data *td = data; 547 struct bitmask *verify_bitmask; 548 549 if (parse_dryrun()) 550 return 0; 551 552 /* numa_parse_nodestring() parses a character string list 553 * of nodes into a bit mask. The bit mask is allocated by 554 * numa_allocate_nodemask(), so it should be freed by 555 * numa_free_nodemask(). 556 */ 557 verify_bitmask = numa_parse_nodestring(input); 558 if (verify_bitmask == NULL) { 559 log_err("fio: numa_parse_nodestring failed\n"); 560 td_verror(td, 1, "str_numa_cpunodes_cb"); 561 return 1; 562 } 563 numa_free_nodemask(verify_bitmask); 564 565 td->o.numa_cpunodes = strdup(input); 566 return 0; 567 } 568 569 static int str_numa_mpol_cb(void *data, char *input) 570 { 571 struct thread_data *td = data; 572 const char * const policy_types[] = 573 { "default", "prefer", "bind", "interleave", "local", NULL }; 574 int i; 575 char *nodelist; 576 struct bitmask *verify_bitmask; 577 578 if (parse_dryrun()) 579 return 0; 580 581 nodelist = strchr(input, ':'); 582 if (nodelist) { 583 /* NUL-terminate mode */ 584 *nodelist++ = '\0'; 585 } 586 587 for (i = 0; i <= MPOL_LOCAL; i++) { 588 if (!strcmp(input, policy_types[i])) { 589 td->o.numa_mem_mode = i; 590 break; 591 } 592 } 593 if (i > MPOL_LOCAL) { 594 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n"); 595 goto out; 596 } 597 598 switch (td->o.numa_mem_mode) { 599 case MPOL_PREFERRED: 600 /* 601 * Insist on a nodelist of one node only 602 */ 603 if (nodelist) { 604 char *rest = nodelist; 605 while (isdigit(*rest)) 606 rest++; 607 if (*rest) { 608 log_err("fio: one node only for \'prefer\'\n"); 609 goto out; 610 } 611 } else { 612 log_err("fio: one node is needed for \'prefer\'\n"); 613 goto out; 614 } 615 break; 616 case MPOL_INTERLEAVE: 617 /* 618 * Default to online nodes with memory if no nodelist 619 */ 620 if (!nodelist) 621 nodelist = strdup("all"); 622 break; 623 case MPOL_LOCAL: 624 case MPOL_DEFAULT: 625 /* 626 * Don't allow a nodelist 627 */ 628 if (nodelist) { 629 log_err("fio: NO nodelist for \'local\'\n"); 630 goto out; 631 } 632 break; 633 case MPOL_BIND: 634 /* 635 * Insist on a nodelist 636 */ 637 if (!nodelist) { 638 log_err("fio: a nodelist is needed for \'bind\'\n"); 639 goto out; 640 } 641 break; 642 } 643 644 645 /* numa_parse_nodestring() parses a character string list 646 * of nodes into a bit mask. The bit mask is allocated by 647 * numa_allocate_nodemask(), so it should be freed by 648 * numa_free_nodemask(). 649 */ 650 switch (td->o.numa_mem_mode) { 651 case MPOL_PREFERRED: 652 td->o.numa_mem_prefer_node = atoi(nodelist); 653 break; 654 case MPOL_INTERLEAVE: 655 case MPOL_BIND: 656 verify_bitmask = numa_parse_nodestring(nodelist); 657 if (verify_bitmask == NULL) { 658 log_err("fio: numa_parse_nodestring failed\n"); 659 td_verror(td, 1, "str_numa_memnodes_cb"); 660 return 1; 661 } 662 td->o.numa_memnodes = strdup(nodelist); 663 numa_free_nodemask(verify_bitmask); 664 665 break; 666 case MPOL_LOCAL: 667 case MPOL_DEFAULT: 668 default: 669 break; 670 } 671 672 return 0; 673 out: 674 return 1; 675 } 676 #endif 677 678 static int str_fst_cb(void *data, const char *str) 679 { 680 struct thread_data *td = data; 681 char *nr = get_opt_postfix(str); 682 683 td->file_service_nr = 1; 684 if (nr) { 685 td->file_service_nr = atoi(nr); 686 free(nr); 687 } 688 689 return 0; 690 } 691 692 #ifdef CONFIG_SYNC_FILE_RANGE 693 static int str_sfr_cb(void *data, const char *str) 694 { 695 struct thread_data *td = data; 696 char *nr = get_opt_postfix(str); 697 698 td->sync_file_range_nr = 1; 699 if (nr) { 700 td->sync_file_range_nr = atoi(nr); 701 free(nr); 702 } 703 704 return 0; 705 } 706 #endif 707 708 static int str_random_distribution_cb(void *data, const char *str) 709 { 710 struct thread_data *td = data; 711 double val; 712 char *nr; 713 714 if (parse_dryrun()) 715 return 0; 716 717 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) 718 val = FIO_DEF_ZIPF; 719 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) 720 val = FIO_DEF_PARETO; 721 else 722 return 0; 723 724 nr = get_opt_postfix(str); 725 if (nr && !str_to_float(nr, &val, 0)) { 726 log_err("fio: random postfix parsing failed\n"); 727 free(nr); 728 return 1; 729 } 730 731 free(nr); 732 733 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) { 734 if (val == 1.00) { 735 log_err("fio: zipf theta must different than 1.0\n"); 736 return 1; 737 } 738 td->o.zipf_theta.u.f = val; 739 } else { 740 if (val <= 0.00 || val >= 1.00) { 741 log_err("fio: pareto input out of range (0 < input < 1.0)\n"); 742 return 1; 743 } 744 td->o.pareto_h.u.f = val; 745 } 746 747 return 0; 748 } 749 750 /* 751 * Return next name in the string. Files are separated with ':'. If the ':' 752 * is escaped with a '\', then that ':' is part of the filename and does not 753 * indicate a new file. 754 */ 755 static char *get_next_name(char **ptr) 756 { 757 char *str = *ptr; 758 char *p, *start; 759 760 if (!str || !strlen(str)) 761 return NULL; 762 763 start = str; 764 do { 765 /* 766 * No colon, we are done 767 */ 768 p = strchr(str, ':'); 769 if (!p) { 770 *ptr = NULL; 771 break; 772 } 773 774 /* 775 * We got a colon, but it's the first character. Skip and 776 * continue 777 */ 778 if (p == start) { 779 str = ++start; 780 continue; 781 } 782 783 if (*(p - 1) != '\\') { 784 *p = '\0'; 785 *ptr = p + 1; 786 break; 787 } 788 789 memmove(p - 1, p, strlen(p) + 1); 790 str = p; 791 } while (1); 792 793 return start; 794 } 795 796 797 static int get_max_name_idx(char *input) 798 { 799 unsigned int cur_idx; 800 char *str, *p; 801 802 p = str = strdup(input); 803 for (cur_idx = 0; ; cur_idx++) 804 if (get_next_name(&str) == NULL) 805 break; 806 807 free(p); 808 return cur_idx; 809 } 810 811 /* 812 * Returns the directory at the index, indexes > entires will be 813 * assigned via modulo division of the index 814 */ 815 int set_name_idx(char *target, char *input, int index) 816 { 817 unsigned int cur_idx; 818 int len; 819 char *fname, *str, *p; 820 821 p = str = strdup(input); 822 823 index %= get_max_name_idx(input); 824 for (cur_idx = 0; cur_idx <= index; cur_idx++) 825 fname = get_next_name(&str); 826 827 len = sprintf(target, "%s/", fname); 828 free(p); 829 830 return len; 831 } 832 833 static int str_filename_cb(void *data, const char *input) 834 { 835 struct thread_data *td = data; 836 char *fname, *str, *p; 837 838 p = str = strdup(input); 839 840 strip_blank_front(&str); 841 strip_blank_end(str); 842 843 if (!td->files_index) 844 td->o.nr_files = 0; 845 846 while ((fname = get_next_name(&str)) != NULL) { 847 if (!strlen(fname)) 848 break; 849 add_file(td, fname, 0, 1); 850 } 851 852 free(p); 853 return 0; 854 } 855 856 static int str_directory_cb(void *data, const char fio_unused *unused) 857 { 858 struct thread_data *td = data; 859 struct stat sb; 860 char *dirname, *str, *p; 861 int ret = 0; 862 863 if (parse_dryrun()) 864 return 0; 865 866 p = str = strdup(td->o.directory); 867 while ((dirname = get_next_name(&str)) != NULL) { 868 if (lstat(dirname, &sb) < 0) { 869 ret = errno; 870 871 log_err("fio: %s is not a directory\n", dirname); 872 td_verror(td, ret, "lstat"); 873 goto out; 874 } 875 if (!S_ISDIR(sb.st_mode)) { 876 log_err("fio: %s is not a directory\n", dirname); 877 ret = 1; 878 goto out; 879 } 880 } 881 882 out: 883 free(p); 884 return ret; 885 } 886 887 static int str_opendir_cb(void *data, const char fio_unused *str) 888 { 889 struct thread_data *td = data; 890 891 if (parse_dryrun()) 892 return 0; 893 894 if (!td->files_index) 895 td->o.nr_files = 0; 896 897 return add_dir_files(td, td->o.opendir); 898 } 899 900 static int pattern_cb(char *pattern, unsigned int max_size, 901 const char *input, unsigned int *pattern_bytes) 902 { 903 long off; 904 int i = 0, j = 0, len, k, base = 10; 905 uint32_t pattern_length; 906 char *loc1, *loc2; 907 908 /* 909 * Check if it's a string input 910 */ 911 loc1 = strchr(input, '\"'); 912 if (loc1) { 913 do { 914 loc1++; 915 if (*loc1 == '\0' || *loc1 == '\"') 916 break; 917 918 pattern[i] = *loc1; 919 i++; 920 } while (i < max_size); 921 922 if (!i) 923 return 1; 924 925 goto fill; 926 } 927 928 /* 929 * No string, find out if it's decimal or hexidecimal 930 */ 931 loc1 = strstr(input, "0x"); 932 loc2 = strstr(input, "0X"); 933 if (loc1 || loc2) 934 base = 16; 935 off = strtol(input, NULL, base); 936 if (off != LONG_MAX || errno != ERANGE) { 937 while (off) { 938 pattern[i] = off & 0xff; 939 off >>= 8; 940 i++; 941 } 942 } else { 943 len = strlen(input); 944 k = len - 1; 945 if (base == 16) { 946 if (loc1) 947 j = loc1 - input + 2; 948 else 949 j = loc2 - input + 2; 950 } else 951 return 1; 952 if (len - j < max_size * 2) { 953 while (k >= j) { 954 off = converthexchartoint(input[k--]); 955 if (k >= j) 956 off += (converthexchartoint(input[k--]) 957 * 16); 958 pattern[i++] = (char) off; 959 } 960 } 961 } 962 963 /* 964 * Fill the pattern all the way to the end. This greatly reduces 965 * the number of memcpy's we have to do when verifying the IO. 966 */ 967 fill: 968 pattern_length = i; 969 while (i > 1 && i * 2 <= max_size) { 970 memcpy(&pattern[i], &pattern[0], i); 971 i *= 2; 972 } 973 974 /* 975 * Fill remainder, if the pattern multiple ends up not being 976 * max_size. 977 */ 978 while (i > 1 && i < max_size) { 979 unsigned int b = min(pattern_length, max_size - i); 980 981 memcpy(&pattern[i], &pattern[0], b); 982 i += b; 983 } 984 985 if (i == 1) { 986 /* 987 * The code in verify_io_u_pattern assumes a single byte 988 * pattern fills the whole verify pattern buffer. 989 */ 990 memset(pattern, pattern[0], max_size); 991 } 992 993 *pattern_bytes = i; 994 return 0; 995 } 996 997 static int str_buffer_pattern_cb(void *data, const char *input) 998 { 999 struct thread_data *td = data; 1000 int ret; 1001 1002 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input, 1003 &td->o.buffer_pattern_bytes); 1004 1005 if (!ret && td->o.buffer_pattern_bytes) { 1006 if (!td->o.compress_percentage) 1007 td->o.refill_buffers = 0; 1008 td->o.scramble_buffers = 0; 1009 td->o.zero_buffers = 0; 1010 } else { 1011 log_err("fio: failed parsing pattern `%s`\n", input); 1012 ret = 1; 1013 } 1014 1015 return ret; 1016 } 1017 1018 static int str_buffer_compress_cb(void *data, unsigned long long *il) 1019 { 1020 struct thread_data *td = data; 1021 1022 td->flags |= TD_F_COMPRESS; 1023 td->o.compress_percentage = *il; 1024 return 0; 1025 } 1026 1027 static int str_dedupe_cb(void *data, unsigned long long *il) 1028 { 1029 struct thread_data *td = data; 1030 1031 td->flags |= TD_F_COMPRESS; 1032 td->o.dedupe_percentage = *il; 1033 td->o.refill_buffers = 1; 1034 return 0; 1035 } 1036 1037 static int str_verify_pattern_cb(void *data, const char *input) 1038 { 1039 struct thread_data *td = data; 1040 int ret; 1041 1042 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input, 1043 &td->o.verify_pattern_bytes); 1044 1045 /* 1046 * VERIFY_META could already be set 1047 */ 1048 if (!ret && td->o.verify == VERIFY_NONE) 1049 td->o.verify = VERIFY_PATTERN; 1050 1051 return ret; 1052 } 1053 1054 static int str_gtod_reduce_cb(void *data, int *il) 1055 { 1056 struct thread_data *td = data; 1057 int val = *il; 1058 1059 td->o.disable_lat = !!val; 1060 td->o.disable_clat = !!val; 1061 td->o.disable_slat = !!val; 1062 td->o.disable_bw = !!val; 1063 td->o.clat_percentiles = !val; 1064 if (val) 1065 td->tv_cache_mask = 63; 1066 1067 return 0; 1068 } 1069 1070 static int str_size_cb(void *data, unsigned long long *__val) 1071 { 1072 struct thread_data *td = data; 1073 unsigned long long v = *__val; 1074 1075 if (parse_is_percent(v)) { 1076 td->o.size = 0; 1077 td->o.size_percent = -1ULL - v; 1078 } else 1079 td->o.size = v; 1080 1081 return 0; 1082 } 1083 1084 static int rw_verify(struct fio_option *o, void *data) 1085 { 1086 struct thread_data *td = data; 1087 1088 if (read_only && td_write(td)) { 1089 log_err("fio: job <%s> has write bit set, but fio is in" 1090 " read-only mode\n", td->o.name); 1091 return 1; 1092 } 1093 1094 return 0; 1095 } 1096 1097 static int gtod_cpu_verify(struct fio_option *o, void *data) 1098 { 1099 #ifndef FIO_HAVE_CPU_AFFINITY 1100 struct thread_data *td = data; 1101 1102 if (td->o.gtod_cpu) { 1103 log_err("fio: platform must support CPU affinity for" 1104 "gettimeofday() offloading\n"); 1105 return 1; 1106 } 1107 #endif 1108 1109 return 0; 1110 } 1111 1112 /* 1113 * Option grouping 1114 */ 1115 static struct opt_group fio_opt_groups[] = { 1116 { 1117 .name = "General", 1118 .mask = FIO_OPT_C_GENERAL, 1119 }, 1120 { 1121 .name = "I/O", 1122 .mask = FIO_OPT_C_IO, 1123 }, 1124 { 1125 .name = "File", 1126 .mask = FIO_OPT_C_FILE, 1127 }, 1128 { 1129 .name = "Statistics", 1130 .mask = FIO_OPT_C_STAT, 1131 }, 1132 { 1133 .name = "Logging", 1134 .mask = FIO_OPT_C_LOG, 1135 }, 1136 { 1137 .name = "Profiles", 1138 .mask = FIO_OPT_C_PROFILE, 1139 }, 1140 { 1141 .name = NULL, 1142 }, 1143 }; 1144 1145 static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask, 1146 unsigned int inv_mask) 1147 { 1148 struct opt_group *og; 1149 int i; 1150 1151 if (*mask == inv_mask || !*mask) 1152 return NULL; 1153 1154 for (i = 0; ogs[i].name; i++) { 1155 og = &ogs[i]; 1156 1157 if (*mask & og->mask) { 1158 *mask &= ~(og->mask); 1159 return og; 1160 } 1161 } 1162 1163 return NULL; 1164 } 1165 1166 struct opt_group *opt_group_from_mask(unsigned int *mask) 1167 { 1168 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID); 1169 } 1170 1171 static struct opt_group fio_opt_cat_groups[] = { 1172 { 1173 .name = "Latency profiling", 1174 .mask = FIO_OPT_G_LATPROF, 1175 }, 1176 { 1177 .name = "Rate", 1178 .mask = FIO_OPT_G_RATE, 1179 }, 1180 { 1181 .name = "Zone", 1182 .mask = FIO_OPT_G_ZONE, 1183 }, 1184 { 1185 .name = "Read/write mix", 1186 .mask = FIO_OPT_G_RWMIX, 1187 }, 1188 { 1189 .name = "Verify", 1190 .mask = FIO_OPT_G_VERIFY, 1191 }, 1192 { 1193 .name = "Trim", 1194 .mask = FIO_OPT_G_TRIM, 1195 }, 1196 { 1197 .name = "I/O Logging", 1198 .mask = FIO_OPT_G_IOLOG, 1199 }, 1200 { 1201 .name = "I/O Depth", 1202 .mask = FIO_OPT_G_IO_DEPTH, 1203 }, 1204 { 1205 .name = "I/O Flow", 1206 .mask = FIO_OPT_G_IO_FLOW, 1207 }, 1208 { 1209 .name = "Description", 1210 .mask = FIO_OPT_G_DESC, 1211 }, 1212 { 1213 .name = "Filename", 1214 .mask = FIO_OPT_G_FILENAME, 1215 }, 1216 { 1217 .name = "General I/O", 1218 .mask = FIO_OPT_G_IO_BASIC, 1219 }, 1220 { 1221 .name = "Cgroups", 1222 .mask = FIO_OPT_G_CGROUP, 1223 }, 1224 { 1225 .name = "Runtime", 1226 .mask = FIO_OPT_G_RUNTIME, 1227 }, 1228 { 1229 .name = "Process", 1230 .mask = FIO_OPT_G_PROCESS, 1231 }, 1232 { 1233 .name = "Job credentials / priority", 1234 .mask = FIO_OPT_G_CRED, 1235 }, 1236 { 1237 .name = "Clock settings", 1238 .mask = FIO_OPT_G_CLOCK, 1239 }, 1240 { 1241 .name = "I/O Type", 1242 .mask = FIO_OPT_G_IO_TYPE, 1243 }, 1244 { 1245 .name = "I/O Thinktime", 1246 .mask = FIO_OPT_G_THINKTIME, 1247 }, 1248 { 1249 .name = "Randomizations", 1250 .mask = FIO_OPT_G_RANDOM, 1251 }, 1252 { 1253 .name = "I/O buffers", 1254 .mask = FIO_OPT_G_IO_BUF, 1255 }, 1256 { 1257 .name = "Tiobench profile", 1258 .mask = FIO_OPT_G_TIOBENCH, 1259 }, 1260 1261 { 1262 .name = NULL, 1263 } 1264 }; 1265 1266 struct opt_group *opt_group_cat_from_mask(unsigned int *mask) 1267 { 1268 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID); 1269 } 1270 1271 /* 1272 * Map of job/command line options 1273 */ 1274 struct fio_option fio_options[FIO_MAX_OPTS] = { 1275 { 1276 .name = "description", 1277 .lname = "Description of job", 1278 .type = FIO_OPT_STR_STORE, 1279 .off1 = td_var_offset(description), 1280 .help = "Text job description", 1281 .category = FIO_OPT_C_GENERAL, 1282 .group = FIO_OPT_G_DESC, 1283 }, 1284 { 1285 .name = "name", 1286 .lname = "Job name", 1287 .type = FIO_OPT_STR_STORE, 1288 .off1 = td_var_offset(name), 1289 .help = "Name of this job", 1290 .category = FIO_OPT_C_GENERAL, 1291 .group = FIO_OPT_G_DESC, 1292 }, 1293 { 1294 .name = "filename", 1295 .lname = "Filename(s)", 1296 .type = FIO_OPT_STR_STORE, 1297 .off1 = td_var_offset(filename), 1298 .cb = str_filename_cb, 1299 .prio = -1, /* must come after "directory" */ 1300 .help = "File(s) to use for the workload", 1301 .category = FIO_OPT_C_FILE, 1302 .group = FIO_OPT_G_FILENAME, 1303 }, 1304 { 1305 .name = "directory", 1306 .lname = "Directory", 1307 .type = FIO_OPT_STR_STORE, 1308 .off1 = td_var_offset(directory), 1309 .cb = str_directory_cb, 1310 .help = "Directory to store files in", 1311 .category = FIO_OPT_C_FILE, 1312 .group = FIO_OPT_G_FILENAME, 1313 }, 1314 { 1315 .name = "filename_format", 1316 .type = FIO_OPT_STR_STORE, 1317 .off1 = td_var_offset(filename_format), 1318 .prio = -1, /* must come after "directory" */ 1319 .help = "Override default $jobname.$jobnum.$filenum naming", 1320 .def = "$jobname.$jobnum.$filenum", 1321 .category = FIO_OPT_C_FILE, 1322 .group = FIO_OPT_G_FILENAME, 1323 }, 1324 { 1325 .name = "lockfile", 1326 .lname = "Lockfile", 1327 .type = FIO_OPT_STR, 1328 .off1 = td_var_offset(file_lock_mode), 1329 .help = "Lock file when doing IO to it", 1330 .prio = 1, 1331 .parent = "filename", 1332 .hide = 0, 1333 .def = "none", 1334 .category = FIO_OPT_C_FILE, 1335 .group = FIO_OPT_G_FILENAME, 1336 .posval = { 1337 { .ival = "none", 1338 .oval = FILE_LOCK_NONE, 1339 .help = "No file locking", 1340 }, 1341 { .ival = "exclusive", 1342 .oval = FILE_LOCK_EXCLUSIVE, 1343 .help = "Exclusive file lock", 1344 }, 1345 { 1346 .ival = "readwrite", 1347 .oval = FILE_LOCK_READWRITE, 1348 .help = "Read vs write lock", 1349 }, 1350 }, 1351 }, 1352 { 1353 .name = "opendir", 1354 .lname = "Open directory", 1355 .type = FIO_OPT_STR_STORE, 1356 .off1 = td_var_offset(opendir), 1357 .cb = str_opendir_cb, 1358 .help = "Recursively add files from this directory and down", 1359 .category = FIO_OPT_C_FILE, 1360 .group = FIO_OPT_G_FILENAME, 1361 }, 1362 { 1363 .name = "rw", 1364 .lname = "Read/write", 1365 .alias = "readwrite", 1366 .type = FIO_OPT_STR, 1367 .cb = str_rw_cb, 1368 .off1 = td_var_offset(td_ddir), 1369 .help = "IO direction", 1370 .def = "read", 1371 .verify = rw_verify, 1372 .category = FIO_OPT_C_IO, 1373 .group = FIO_OPT_G_IO_BASIC, 1374 .posval = { 1375 { .ival = "read", 1376 .oval = TD_DDIR_READ, 1377 .help = "Sequential read", 1378 }, 1379 { .ival = "write", 1380 .oval = TD_DDIR_WRITE, 1381 .help = "Sequential write", 1382 }, 1383 { .ival = "trim", 1384 .oval = TD_DDIR_TRIM, 1385 .help = "Sequential trim", 1386 }, 1387 { .ival = "randread", 1388 .oval = TD_DDIR_RANDREAD, 1389 .help = "Random read", 1390 }, 1391 { .ival = "randwrite", 1392 .oval = TD_DDIR_RANDWRITE, 1393 .help = "Random write", 1394 }, 1395 { .ival = "randtrim", 1396 .oval = TD_DDIR_RANDTRIM, 1397 .help = "Random trim", 1398 }, 1399 { .ival = "rw", 1400 .oval = TD_DDIR_RW, 1401 .help = "Sequential read and write mix", 1402 }, 1403 { .ival = "readwrite", 1404 .oval = TD_DDIR_RW, 1405 .help = "Sequential read and write mix", 1406 }, 1407 { .ival = "randrw", 1408 .oval = TD_DDIR_RANDRW, 1409 .help = "Random read and write mix" 1410 }, 1411 }, 1412 }, 1413 { 1414 .name = "rw_sequencer", 1415 .lname = "RW Sequencer", 1416 .type = FIO_OPT_STR, 1417 .off1 = td_var_offset(rw_seq), 1418 .help = "IO offset generator modifier", 1419 .def = "sequential", 1420 .category = FIO_OPT_C_IO, 1421 .group = FIO_OPT_G_IO_BASIC, 1422 .posval = { 1423 { .ival = "sequential", 1424 .oval = RW_SEQ_SEQ, 1425 .help = "Generate sequential offsets", 1426 }, 1427 { .ival = "identical", 1428 .oval = RW_SEQ_IDENT, 1429 .help = "Generate identical offsets", 1430 }, 1431 }, 1432 }, 1433 1434 { 1435 .name = "ioengine", 1436 .lname = "IO Engine", 1437 .type = FIO_OPT_STR_STORE, 1438 .off1 = td_var_offset(ioengine), 1439 .help = "IO engine to use", 1440 .def = FIO_PREFERRED_ENGINE, 1441 .category = FIO_OPT_C_IO, 1442 .group = FIO_OPT_G_IO_BASIC, 1443 .posval = { 1444 { .ival = "sync", 1445 .help = "Use read/write", 1446 }, 1447 { .ival = "psync", 1448 .help = "Use pread/pwrite", 1449 }, 1450 { .ival = "vsync", 1451 .help = "Use readv/writev", 1452 }, 1453 #ifdef CONFIG_PWRITEV 1454 { .ival = "pvsync", 1455 .help = "Use preadv/pwritev", 1456 }, 1457 #endif 1458 #ifdef CONFIG_LIBAIO 1459 { .ival = "libaio", 1460 .help = "Linux native asynchronous IO", 1461 }, 1462 #endif 1463 #ifdef CONFIG_POSIXAIO 1464 { .ival = "posixaio", 1465 .help = "POSIX asynchronous IO", 1466 }, 1467 #endif 1468 #ifdef CONFIG_SOLARISAIO 1469 { .ival = "solarisaio", 1470 .help = "Solaris native asynchronous IO", 1471 }, 1472 #endif 1473 #ifdef CONFIG_WINDOWSAIO 1474 { .ival = "windowsaio", 1475 .help = "Windows native asynchronous IO" 1476 }, 1477 #endif 1478 #ifdef CONFIG_RBD 1479 { .ival = "rbd", 1480 .help = "Rados Block Device asynchronous IO" 1481 }, 1482 #endif 1483 { .ival = "mmap", 1484 .help = "Memory mapped IO" 1485 }, 1486 #ifdef CONFIG_LINUX_SPLICE 1487 { .ival = "splice", 1488 .help = "splice/vmsplice based IO", 1489 }, 1490 { .ival = "netsplice", 1491 .help = "splice/vmsplice to/from the network", 1492 }, 1493 #endif 1494 #ifdef FIO_HAVE_SGIO 1495 { .ival = "sg", 1496 .help = "SCSI generic v3 IO", 1497 }, 1498 #endif 1499 { .ival = "null", 1500 .help = "Testing engine (no data transfer)", 1501 }, 1502 { .ival = "net", 1503 .help = "Network IO", 1504 }, 1505 { .ival = "cpuio", 1506 .help = "CPU cycle burner engine", 1507 }, 1508 #ifdef CONFIG_GUASI 1509 { .ival = "guasi", 1510 .help = "GUASI IO engine", 1511 }, 1512 #endif 1513 #ifdef FIO_HAVE_BINJECT 1514 { .ival = "binject", 1515 .help = "binject direct inject block engine", 1516 }, 1517 #endif 1518 #ifdef CONFIG_RDMA 1519 { .ival = "rdma", 1520 .help = "RDMA IO engine", 1521 }, 1522 #endif 1523 #ifdef CONFIG_FUSION_AW 1524 { .ival = "fusion-aw-sync", 1525 .help = "Fusion-io atomic write engine", 1526 }, 1527 #endif 1528 #ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT 1529 { .ival = "e4defrag", 1530 .help = "ext4 defrag engine", 1531 }, 1532 #endif 1533 #ifdef CONFIG_LINUX_FALLOCATE 1534 { .ival = "falloc", 1535 .help = "fallocate() file based engine", 1536 }, 1537 #endif 1538 #ifdef CONFIG_GFAPI 1539 { .ival = "gfapi", 1540 .help = "Glusterfs libgfapi(sync) based engine" 1541 }, 1542 { .ival = "gfapi_async", 1543 .help = "Glusterfs libgfapi(async) based engine" 1544 }, 1545 #endif 1546 #ifdef CONFIG_LIBHDFS 1547 { .ival = "libhdfs", 1548 .help = "Hadoop Distributed Filesystem (HDFS) engine" 1549 }, 1550 #endif 1551 { .ival = "external", 1552 .help = "Load external engine (append name)", 1553 }, 1554 }, 1555 }, 1556 { 1557 .name = "iodepth", 1558 .lname = "IO Depth", 1559 .type = FIO_OPT_INT, 1560 .off1 = td_var_offset(iodepth), 1561 .help = "Number of IO buffers to keep in flight", 1562 .minval = 1, 1563 .interval = 1, 1564 .def = "1", 1565 .category = FIO_OPT_C_IO, 1566 .group = FIO_OPT_G_IO_BASIC, 1567 }, 1568 { 1569 .name = "iodepth_batch", 1570 .lname = "IO Depth batch", 1571 .alias = "iodepth_batch_submit", 1572 .type = FIO_OPT_INT, 1573 .off1 = td_var_offset(iodepth_batch), 1574 .help = "Number of IO buffers to submit in one go", 1575 .parent = "iodepth", 1576 .hide = 1, 1577 .minval = 1, 1578 .interval = 1, 1579 .def = "1", 1580 .category = FIO_OPT_C_IO, 1581 .group = FIO_OPT_G_IO_BASIC, 1582 }, 1583 { 1584 .name = "iodepth_batch_complete", 1585 .lname = "IO Depth batch complete", 1586 .type = FIO_OPT_INT, 1587 .off1 = td_var_offset(iodepth_batch_complete), 1588 .help = "Number of IO buffers to retrieve in one go", 1589 .parent = "iodepth", 1590 .hide = 1, 1591 .minval = 0, 1592 .interval = 1, 1593 .def = "1", 1594 .category = FIO_OPT_C_IO, 1595 .group = FIO_OPT_G_IO_BASIC, 1596 }, 1597 { 1598 .name = "iodepth_low", 1599 .lname = "IO Depth batch low", 1600 .type = FIO_OPT_INT, 1601 .off1 = td_var_offset(iodepth_low), 1602 .help = "Low water mark for queuing depth", 1603 .parent = "iodepth", 1604 .hide = 1, 1605 .interval = 1, 1606 .category = FIO_OPT_C_IO, 1607 .group = FIO_OPT_G_IO_BASIC, 1608 }, 1609 { 1610 .name = "size", 1611 .lname = "Size", 1612 .type = FIO_OPT_STR_VAL, 1613 .cb = str_size_cb, 1614 .off1 = td_var_offset(size), 1615 .help = "Total size of device or files", 1616 .interval = 1024 * 1024, 1617 .category = FIO_OPT_C_IO, 1618 .group = FIO_OPT_G_INVALID, 1619 }, 1620 { 1621 .name = "io_size", 1622 .alias = "io_limit", 1623 .lname = "IO Size", 1624 .type = FIO_OPT_STR_VAL, 1625 .off1 = td_var_offset(io_limit), 1626 .interval = 1024 * 1024, 1627 .category = FIO_OPT_C_IO, 1628 .group = FIO_OPT_G_INVALID, 1629 }, 1630 { 1631 .name = "fill_device", 1632 .lname = "Fill device", 1633 .alias = "fill_fs", 1634 .type = FIO_OPT_BOOL, 1635 .off1 = td_var_offset(fill_device), 1636 .help = "Write until an ENOSPC error occurs", 1637 .def = "0", 1638 .category = FIO_OPT_C_FILE, 1639 .group = FIO_OPT_G_INVALID, 1640 }, 1641 { 1642 .name = "filesize", 1643 .lname = "File size", 1644 .type = FIO_OPT_STR_VAL, 1645 .off1 = td_var_offset(file_size_low), 1646 .off2 = td_var_offset(file_size_high), 1647 .minval = 1, 1648 .help = "Size of individual files", 1649 .interval = 1024 * 1024, 1650 .category = FIO_OPT_C_FILE, 1651 .group = FIO_OPT_G_INVALID, 1652 }, 1653 { 1654 .name = "file_append", 1655 .lname = "File append", 1656 .type = FIO_OPT_BOOL, 1657 .off1 = td_var_offset(file_append), 1658 .help = "IO will start at the end of the file(s)", 1659 .def = "0", 1660 .category = FIO_OPT_C_FILE, 1661 .group = FIO_OPT_G_INVALID, 1662 }, 1663 { 1664 .name = "offset", 1665 .lname = "IO offset", 1666 .alias = "fileoffset", 1667 .type = FIO_OPT_STR_VAL, 1668 .off1 = td_var_offset(start_offset), 1669 .help = "Start IO from this offset", 1670 .def = "0", 1671 .interval = 1024 * 1024, 1672 .category = FIO_OPT_C_IO, 1673 .group = FIO_OPT_G_INVALID, 1674 }, 1675 { 1676 .name = "offset_increment", 1677 .lname = "IO offset increment", 1678 .type = FIO_OPT_STR_VAL, 1679 .off1 = td_var_offset(offset_increment), 1680 .help = "What is the increment from one offset to the next", 1681 .parent = "offset", 1682 .hide = 1, 1683 .def = "0", 1684 .interval = 1024 * 1024, 1685 .category = FIO_OPT_C_IO, 1686 .group = FIO_OPT_G_INVALID, 1687 }, 1688 { 1689 .name = "number_ios", 1690 .lname = "Number of IOs to perform", 1691 .type = FIO_OPT_STR_VAL, 1692 .off1 = td_var_offset(number_ios), 1693 .help = "Force job completion after this number of IOs", 1694 .def = "0", 1695 .category = FIO_OPT_C_IO, 1696 .group = FIO_OPT_G_INVALID, 1697 }, 1698 { 1699 .name = "bs", 1700 .lname = "Block size", 1701 .alias = "blocksize", 1702 .type = FIO_OPT_INT, 1703 .off1 = td_var_offset(bs[DDIR_READ]), 1704 .off2 = td_var_offset(bs[DDIR_WRITE]), 1705 .off3 = td_var_offset(bs[DDIR_TRIM]), 1706 .minval = 1, 1707 .help = "Block size unit", 1708 .def = "4k", 1709 .parent = "rw", 1710 .hide = 1, 1711 .interval = 512, 1712 .category = FIO_OPT_C_IO, 1713 .group = FIO_OPT_G_INVALID, 1714 }, 1715 { 1716 .name = "ba", 1717 .lname = "Block size align", 1718 .alias = "blockalign", 1719 .type = FIO_OPT_INT, 1720 .off1 = td_var_offset(ba[DDIR_READ]), 1721 .off2 = td_var_offset(ba[DDIR_WRITE]), 1722 .off3 = td_var_offset(ba[DDIR_TRIM]), 1723 .minval = 1, 1724 .help = "IO block offset alignment", 1725 .parent = "rw", 1726 .hide = 1, 1727 .interval = 512, 1728 .category = FIO_OPT_C_IO, 1729 .group = FIO_OPT_G_INVALID, 1730 }, 1731 { 1732 .name = "bsrange", 1733 .lname = "Block size range", 1734 .alias = "blocksize_range", 1735 .type = FIO_OPT_RANGE, 1736 .off1 = td_var_offset(min_bs[DDIR_READ]), 1737 .off2 = td_var_offset(max_bs[DDIR_READ]), 1738 .off3 = td_var_offset(min_bs[DDIR_WRITE]), 1739 .off4 = td_var_offset(max_bs[DDIR_WRITE]), 1740 .off5 = td_var_offset(min_bs[DDIR_TRIM]), 1741 .off6 = td_var_offset(max_bs[DDIR_TRIM]), 1742 .minval = 1, 1743 .help = "Set block size range (in more detail than bs)", 1744 .parent = "rw", 1745 .hide = 1, 1746 .interval = 4096, 1747 .category = FIO_OPT_C_IO, 1748 .group = FIO_OPT_G_INVALID, 1749 }, 1750 { 1751 .name = "bssplit", 1752 .lname = "Block size split", 1753 .type = FIO_OPT_STR, 1754 .cb = str_bssplit_cb, 1755 .off1 = td_var_offset(bssplit), 1756 .help = "Set a specific mix of block sizes", 1757 .parent = "rw", 1758 .hide = 1, 1759 .category = FIO_OPT_C_IO, 1760 .group = FIO_OPT_G_INVALID, 1761 }, 1762 { 1763 .name = "bs_unaligned", 1764 .lname = "Block size unaligned", 1765 .alias = "blocksize_unaligned", 1766 .type = FIO_OPT_STR_SET, 1767 .off1 = td_var_offset(bs_unaligned), 1768 .help = "Don't sector align IO buffer sizes", 1769 .parent = "rw", 1770 .hide = 1, 1771 .category = FIO_OPT_C_IO, 1772 .group = FIO_OPT_G_INVALID, 1773 }, 1774 { 1775 .name = "bs_is_seq_rand", 1776 .lname = "Block size division is seq/random (not read/write)", 1777 .type = FIO_OPT_BOOL, 1778 .off1 = td_var_offset(bs_is_seq_rand), 1779 .help = "Consider any blocksize setting to be sequential,random", 1780 .def = "0", 1781 .parent = "blocksize", 1782 .category = FIO_OPT_C_IO, 1783 .group = FIO_OPT_G_INVALID, 1784 }, 1785 { 1786 .name = "randrepeat", 1787 .lname = "Random repeatable", 1788 .type = FIO_OPT_BOOL, 1789 .off1 = td_var_offset(rand_repeatable), 1790 .help = "Use repeatable random IO pattern", 1791 .def = "1", 1792 .parent = "rw", 1793 .hide = 1, 1794 .category = FIO_OPT_C_IO, 1795 .group = FIO_OPT_G_RANDOM, 1796 }, 1797 { 1798 .name = "randseed", 1799 .lname = "The random generator seed", 1800 .type = FIO_OPT_STR_VAL, 1801 .off1 = td_var_offset(rand_seed), 1802 .help = "Set the random generator seed value", 1803 .parent = "rw", 1804 .category = FIO_OPT_C_IO, 1805 .group = FIO_OPT_G_RANDOM, 1806 }, 1807 { 1808 .name = "use_os_rand", 1809 .lname = "Use OS random", 1810 .type = FIO_OPT_DEPRECATED, 1811 .off1 = td_var_offset(dep_use_os_rand), 1812 .category = FIO_OPT_C_IO, 1813 .group = FIO_OPT_G_RANDOM, 1814 }, 1815 { 1816 .name = "norandommap", 1817 .lname = "No randommap", 1818 .type = FIO_OPT_STR_SET, 1819 .off1 = td_var_offset(norandommap), 1820 .help = "Accept potential duplicate random blocks", 1821 .parent = "rw", 1822 .hide = 1, 1823 .hide_on_set = 1, 1824 .category = FIO_OPT_C_IO, 1825 .group = FIO_OPT_G_RANDOM, 1826 }, 1827 { 1828 .name = "softrandommap", 1829 .lname = "Soft randommap", 1830 .type = FIO_OPT_BOOL, 1831 .off1 = td_var_offset(softrandommap), 1832 .help = "Set norandommap if randommap allocation fails", 1833 .parent = "norandommap", 1834 .hide = 1, 1835 .def = "0", 1836 .category = FIO_OPT_C_IO, 1837 .group = FIO_OPT_G_RANDOM, 1838 }, 1839 { 1840 .name = "random_generator", 1841 .type = FIO_OPT_STR, 1842 .off1 = td_var_offset(random_generator), 1843 .help = "Type of random number generator to use", 1844 .def = "tausworthe", 1845 .posval = { 1846 { .ival = "tausworthe", 1847 .oval = FIO_RAND_GEN_TAUSWORTHE, 1848 .help = "Strong Tausworthe generator", 1849 }, 1850 { .ival = "lfsr", 1851 .oval = FIO_RAND_GEN_LFSR, 1852 .help = "Variable length LFSR", 1853 }, 1854 }, 1855 .category = FIO_OPT_C_IO, 1856 .group = FIO_OPT_G_RANDOM, 1857 }, 1858 { 1859 .name = "random_distribution", 1860 .type = FIO_OPT_STR, 1861 .off1 = td_var_offset(random_distribution), 1862 .cb = str_random_distribution_cb, 1863 .help = "Random offset distribution generator", 1864 .def = "random", 1865 .posval = { 1866 { .ival = "random", 1867 .oval = FIO_RAND_DIST_RANDOM, 1868 .help = "Completely random", 1869 }, 1870 { .ival = "zipf", 1871 .oval = FIO_RAND_DIST_ZIPF, 1872 .help = "Zipf distribution", 1873 }, 1874 { .ival = "pareto", 1875 .oval = FIO_RAND_DIST_PARETO, 1876 .help = "Pareto distribution", 1877 }, 1878 }, 1879 .category = FIO_OPT_C_IO, 1880 .group = FIO_OPT_G_RANDOM, 1881 }, 1882 { 1883 .name = "percentage_random", 1884 .lname = "Percentage Random", 1885 .type = FIO_OPT_INT, 1886 .off1 = td_var_offset(perc_rand[DDIR_READ]), 1887 .off2 = td_var_offset(perc_rand[DDIR_WRITE]), 1888 .off3 = td_var_offset(perc_rand[DDIR_TRIM]), 1889 .maxval = 100, 1890 .help = "Percentage of seq/random mix that should be random", 1891 .def = "100,100,100", 1892 .interval = 5, 1893 .inverse = "percentage_sequential", 1894 .category = FIO_OPT_C_IO, 1895 .group = FIO_OPT_G_RANDOM, 1896 }, 1897 { 1898 .name = "percentage_sequential", 1899 .lname = "Percentage Sequential", 1900 .type = FIO_OPT_DEPRECATED, 1901 .category = FIO_OPT_C_IO, 1902 .group = FIO_OPT_G_RANDOM, 1903 }, 1904 { 1905 .name = "allrandrepeat", 1906 .type = FIO_OPT_BOOL, 1907 .off1 = td_var_offset(allrand_repeatable), 1908 .help = "Use repeatable random numbers for everything", 1909 .def = "0", 1910 .category = FIO_OPT_C_IO, 1911 .group = FIO_OPT_G_RANDOM, 1912 }, 1913 { 1914 .name = "nrfiles", 1915 .lname = "Number of files", 1916 .alias = "nr_files", 1917 .type = FIO_OPT_INT, 1918 .off1 = td_var_offset(nr_files), 1919 .help = "Split job workload between this number of files", 1920 .def = "1", 1921 .interval = 1, 1922 .category = FIO_OPT_C_FILE, 1923 .group = FIO_OPT_G_INVALID, 1924 }, 1925 { 1926 .name = "openfiles", 1927 .lname = "Number of open files", 1928 .type = FIO_OPT_INT, 1929 .off1 = td_var_offset(open_files), 1930 .help = "Number of files to keep open at the same time", 1931 .category = FIO_OPT_C_FILE, 1932 .group = FIO_OPT_G_INVALID, 1933 }, 1934 { 1935 .name = "file_service_type", 1936 .lname = "File service type", 1937 .type = FIO_OPT_STR, 1938 .cb = str_fst_cb, 1939 .off1 = td_var_offset(file_service_type), 1940 .help = "How to select which file to service next", 1941 .def = "roundrobin", 1942 .category = FIO_OPT_C_FILE, 1943 .group = FIO_OPT_G_INVALID, 1944 .posval = { 1945 { .ival = "random", 1946 .oval = FIO_FSERVICE_RANDOM, 1947 .help = "Choose a file at random", 1948 }, 1949 { .ival = "roundrobin", 1950 .oval = FIO_FSERVICE_RR, 1951 .help = "Round robin select files", 1952 }, 1953 { .ival = "sequential", 1954 .oval = FIO_FSERVICE_SEQ, 1955 .help = "Finish one file before moving to the next", 1956 }, 1957 }, 1958 .parent = "nrfiles", 1959 .hide = 1, 1960 }, 1961 #ifdef CONFIG_POSIX_FALLOCATE 1962 { 1963 .name = "fallocate", 1964 .lname = "Fallocate", 1965 .type = FIO_OPT_STR, 1966 .off1 = td_var_offset(fallocate_mode), 1967 .help = "Whether pre-allocation is performed when laying out files", 1968 .def = "posix", 1969 .category = FIO_OPT_C_FILE, 1970 .group = FIO_OPT_G_INVALID, 1971 .posval = { 1972 { .ival = "none", 1973 .oval = FIO_FALLOCATE_NONE, 1974 .help = "Do not pre-allocate space", 1975 }, 1976 { .ival = "posix", 1977 .oval = FIO_FALLOCATE_POSIX, 1978 .help = "Use posix_fallocate()", 1979 }, 1980 #ifdef CONFIG_LINUX_FALLOCATE 1981 { .ival = "keep", 1982 .oval = FIO_FALLOCATE_KEEP_SIZE, 1983 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)", 1984 }, 1985 #endif 1986 /* Compatibility with former boolean values */ 1987 { .ival = "0", 1988 .oval = FIO_FALLOCATE_NONE, 1989 .help = "Alias for 'none'", 1990 }, 1991 { .ival = "1", 1992 .oval = FIO_FALLOCATE_POSIX, 1993 .help = "Alias for 'posix'", 1994 }, 1995 }, 1996 }, 1997 #endif /* CONFIG_POSIX_FALLOCATE */ 1998 { 1999 .name = "fadvise_hint", 2000 .lname = "Fadvise hint", 2001 .type = FIO_OPT_BOOL, 2002 .off1 = td_var_offset(fadvise_hint), 2003 .help = "Use fadvise() to advise the kernel on IO pattern", 2004 .def = "1", 2005 .category = FIO_OPT_C_FILE, 2006 .group = FIO_OPT_G_INVALID, 2007 }, 2008 { 2009 .name = "fsync", 2010 .lname = "Fsync", 2011 .type = FIO_OPT_INT, 2012 .off1 = td_var_offset(fsync_blocks), 2013 .help = "Issue fsync for writes every given number of blocks", 2014 .def = "0", 2015 .interval = 1, 2016 .category = FIO_OPT_C_FILE, 2017 .group = FIO_OPT_G_INVALID, 2018 }, 2019 { 2020 .name = "fdatasync", 2021 .lname = "Fdatasync", 2022 .type = FIO_OPT_INT, 2023 .off1 = td_var_offset(fdatasync_blocks), 2024 .help = "Issue fdatasync for writes every given number of blocks", 2025 .def = "0", 2026 .interval = 1, 2027 .category = FIO_OPT_C_FILE, 2028 .group = FIO_OPT_G_INVALID, 2029 }, 2030 { 2031 .name = "write_barrier", 2032 .lname = "Write barrier", 2033 .type = FIO_OPT_INT, 2034 .off1 = td_var_offset(barrier_blocks), 2035 .help = "Make every Nth write a barrier write", 2036 .def = "0", 2037 .interval = 1, 2038 .category = FIO_OPT_C_IO, 2039 .group = FIO_OPT_G_INVALID, 2040 }, 2041 #ifdef CONFIG_SYNC_FILE_RANGE 2042 { 2043 .name = "sync_file_range", 2044 .lname = "Sync file range", 2045 .posval = { 2046 { .ival = "wait_before", 2047 .oval = SYNC_FILE_RANGE_WAIT_BEFORE, 2048 .help = "SYNC_FILE_RANGE_WAIT_BEFORE", 2049 .orval = 1, 2050 }, 2051 { .ival = "write", 2052 .oval = SYNC_FILE_RANGE_WRITE, 2053 .help = "SYNC_FILE_RANGE_WRITE", 2054 .orval = 1, 2055 }, 2056 { 2057 .ival = "wait_after", 2058 .oval = SYNC_FILE_RANGE_WAIT_AFTER, 2059 .help = "SYNC_FILE_RANGE_WAIT_AFTER", 2060 .orval = 1, 2061 }, 2062 }, 2063 .type = FIO_OPT_STR_MULTI, 2064 .cb = str_sfr_cb, 2065 .off1 = td_var_offset(sync_file_range), 2066 .help = "Use sync_file_range()", 2067 .category = FIO_OPT_C_FILE, 2068 .group = FIO_OPT_G_INVALID, 2069 }, 2070 #endif 2071 { 2072 .name = "direct", 2073 .lname = "Direct I/O", 2074 .type = FIO_OPT_BOOL, 2075 .off1 = td_var_offset(odirect), 2076 .help = "Use O_DIRECT IO (negates buffered)", 2077 .def = "0", 2078 .inverse = "buffered", 2079 .category = FIO_OPT_C_IO, 2080 .group = FIO_OPT_G_IO_TYPE, 2081 }, 2082 { 2083 .name = "atomic", 2084 .lname = "Atomic I/O", 2085 .type = FIO_OPT_BOOL, 2086 .off1 = td_var_offset(oatomic), 2087 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)", 2088 .def = "0", 2089 .category = FIO_OPT_C_IO, 2090 .group = FIO_OPT_G_IO_TYPE, 2091 }, 2092 { 2093 .name = "buffered", 2094 .lname = "Buffered I/O", 2095 .type = FIO_OPT_BOOL, 2096 .off1 = td_var_offset(odirect), 2097 .neg = 1, 2098 .help = "Use buffered IO (negates direct)", 2099 .def = "1", 2100 .inverse = "direct", 2101 .category = FIO_OPT_C_IO, 2102 .group = FIO_OPT_G_IO_TYPE, 2103 }, 2104 { 2105 .name = "overwrite", 2106 .lname = "Overwrite", 2107 .type = FIO_OPT_BOOL, 2108 .off1 = td_var_offset(overwrite), 2109 .help = "When writing, set whether to overwrite current data", 2110 .def = "0", 2111 .category = FIO_OPT_C_FILE, 2112 .group = FIO_OPT_G_INVALID, 2113 }, 2114 { 2115 .name = "loops", 2116 .lname = "Loops", 2117 .type = FIO_OPT_INT, 2118 .off1 = td_var_offset(loops), 2119 .help = "Number of times to run the job", 2120 .def = "1", 2121 .interval = 1, 2122 .category = FIO_OPT_C_GENERAL, 2123 .group = FIO_OPT_G_RUNTIME, 2124 }, 2125 { 2126 .name = "numjobs", 2127 .lname = "Number of jobs", 2128 .type = FIO_OPT_INT, 2129 .off1 = td_var_offset(numjobs), 2130 .help = "Duplicate this job this many times", 2131 .def = "1", 2132 .interval = 1, 2133 .category = FIO_OPT_C_GENERAL, 2134 .group = FIO_OPT_G_RUNTIME, 2135 }, 2136 { 2137 .name = "startdelay", 2138 .lname = "Start delay", 2139 .type = FIO_OPT_STR_VAL_TIME, 2140 .off1 = td_var_offset(start_delay), 2141 .off2 = td_var_offset(start_delay_high), 2142 .help = "Only start job when this period has passed", 2143 .def = "0", 2144 .is_seconds = 1, 2145 .is_time = 1, 2146 .category = FIO_OPT_C_GENERAL, 2147 .group = FIO_OPT_G_RUNTIME, 2148 }, 2149 { 2150 .name = "runtime", 2151 .lname = "Runtime", 2152 .alias = "timeout", 2153 .type = FIO_OPT_STR_VAL_TIME, 2154 .off1 = td_var_offset(timeout), 2155 .help = "Stop workload when this amount of time has passed", 2156 .def = "0", 2157 .is_seconds = 1, 2158 .is_time = 1, 2159 .category = FIO_OPT_C_GENERAL, 2160 .group = FIO_OPT_G_RUNTIME, 2161 }, 2162 { 2163 .name = "time_based", 2164 .lname = "Time based", 2165 .type = FIO_OPT_STR_SET, 2166 .off1 = td_var_offset(time_based), 2167 .help = "Keep running until runtime/timeout is met", 2168 .category = FIO_OPT_C_GENERAL, 2169 .group = FIO_OPT_G_RUNTIME, 2170 }, 2171 { 2172 .name = "verify_only", 2173 .lname = "Verify only", 2174 .type = FIO_OPT_STR_SET, 2175 .off1 = td_var_offset(verify_only), 2176 .help = "Verifies previously written data is still valid", 2177 .category = FIO_OPT_C_GENERAL, 2178 .group = FIO_OPT_G_RUNTIME, 2179 }, 2180 { 2181 .name = "ramp_time", 2182 .lname = "Ramp time", 2183 .type = FIO_OPT_STR_VAL_TIME, 2184 .off1 = td_var_offset(ramp_time), 2185 .help = "Ramp up time before measuring performance", 2186 .is_seconds = 1, 2187 .is_time = 1, 2188 .category = FIO_OPT_C_GENERAL, 2189 .group = FIO_OPT_G_RUNTIME, 2190 }, 2191 { 2192 .name = "clocksource", 2193 .lname = "Clock source", 2194 .type = FIO_OPT_STR, 2195 .cb = fio_clock_source_cb, 2196 .off1 = td_var_offset(clocksource), 2197 .help = "What type of timing source to use", 2198 .category = FIO_OPT_C_GENERAL, 2199 .group = FIO_OPT_G_CLOCK, 2200 .posval = { 2201 #ifdef CONFIG_GETTIMEOFDAY 2202 { .ival = "gettimeofday", 2203 .oval = CS_GTOD, 2204 .help = "Use gettimeofday(2) for timing", 2205 }, 2206 #endif 2207 #ifdef CONFIG_CLOCK_GETTIME 2208 { .ival = "clock_gettime", 2209 .oval = CS_CGETTIME, 2210 .help = "Use clock_gettime(2) for timing", 2211 }, 2212 #endif 2213 #ifdef ARCH_HAVE_CPU_CLOCK 2214 { .ival = "cpu", 2215 .oval = CS_CPUCLOCK, 2216 .help = "Use CPU private clock", 2217 }, 2218 #endif 2219 }, 2220 }, 2221 { 2222 .name = "mem", 2223 .alias = "iomem", 2224 .lname = "I/O Memory", 2225 .type = FIO_OPT_STR, 2226 .cb = str_mem_cb, 2227 .off1 = td_var_offset(mem_type), 2228 .help = "Backing type for IO buffers", 2229 .def = "malloc", 2230 .category = FIO_OPT_C_IO, 2231 .group = FIO_OPT_G_INVALID, 2232 .posval = { 2233 { .ival = "malloc", 2234 .oval = MEM_MALLOC, 2235 .help = "Use malloc(3) for IO buffers", 2236 }, 2237 #ifndef CONFIG_NO_SHM 2238 { .ival = "shm", 2239 .oval = MEM_SHM, 2240 .help = "Use shared memory segments for IO buffers", 2241 }, 2242 #ifdef FIO_HAVE_HUGETLB 2243 { .ival = "shmhuge", 2244 .oval = MEM_SHMHUGE, 2245 .help = "Like shm, but use huge pages", 2246 }, 2247 #endif 2248 #endif 2249 { .ival = "mmap", 2250 .oval = MEM_MMAP, 2251 .help = "Use mmap(2) (file or anon) for IO buffers", 2252 }, 2253 #ifdef FIO_HAVE_HUGETLB 2254 { .ival = "mmaphuge", 2255 .oval = MEM_MMAPHUGE, 2256 .help = "Like mmap, but use huge pages", 2257 }, 2258 #endif 2259 }, 2260 }, 2261 { 2262 .name = "iomem_align", 2263 .alias = "mem_align", 2264 .lname = "I/O memory alignment", 2265 .type = FIO_OPT_INT, 2266 .off1 = td_var_offset(mem_align), 2267 .minval = 0, 2268 .help = "IO memory buffer offset alignment", 2269 .def = "0", 2270 .parent = "iomem", 2271 .hide = 1, 2272 .category = FIO_OPT_C_IO, 2273 .group = FIO_OPT_G_INVALID, 2274 }, 2275 { 2276 .name = "verify", 2277 .lname = "Verify", 2278 .type = FIO_OPT_STR, 2279 .off1 = td_var_offset(verify), 2280 .help = "Verify data written", 2281 .def = "0", 2282 .category = FIO_OPT_C_IO, 2283 .group = FIO_OPT_G_VERIFY, 2284 .posval = { 2285 { .ival = "0", 2286 .oval = VERIFY_NONE, 2287 .help = "Don't do IO verification", 2288 }, 2289 { .ival = "md5", 2290 .oval = VERIFY_MD5, 2291 .help = "Use md5 checksums for verification", 2292 }, 2293 { .ival = "crc64", 2294 .oval = VERIFY_CRC64, 2295 .help = "Use crc64 checksums for verification", 2296 }, 2297 { .ival = "crc32", 2298 .oval = VERIFY_CRC32, 2299 .help = "Use crc32 checksums for verification", 2300 }, 2301 { .ival = "crc32c-intel", 2302 .oval = VERIFY_CRC32C, 2303 .help = "Use crc32c checksums for verification (hw assisted, if available)", 2304 }, 2305 { .ival = "crc32c", 2306 .oval = VERIFY_CRC32C, 2307 .help = "Use crc32c checksums for verification (hw assisted, if available)", 2308 }, 2309 { .ival = "crc16", 2310 .oval = VERIFY_CRC16, 2311 .help = "Use crc16 checksums for verification", 2312 }, 2313 { .ival = "crc7", 2314 .oval = VERIFY_CRC7, 2315 .help = "Use crc7 checksums for verification", 2316 }, 2317 { .ival = "sha1", 2318 .oval = VERIFY_SHA1, 2319 .help = "Use sha1 checksums for verification", 2320 }, 2321 { .ival = "sha256", 2322 .oval = VERIFY_SHA256, 2323 .help = "Use sha256 checksums for verification", 2324 }, 2325 { .ival = "sha512", 2326 .oval = VERIFY_SHA512, 2327 .help = "Use sha512 checksums for verification", 2328 }, 2329 { .ival = "xxhash", 2330 .oval = VERIFY_XXHASH, 2331 .help = "Use xxhash checksums for verification", 2332 }, 2333 { .ival = "meta", 2334 .oval = VERIFY_META, 2335 .help = "Use io information", 2336 }, 2337 { 2338 .ival = "null", 2339 .oval = VERIFY_NULL, 2340 .help = "Pretend to verify", 2341 }, 2342 }, 2343 }, 2344 { 2345 .name = "do_verify", 2346 .lname = "Perform verify step", 2347 .type = FIO_OPT_BOOL, 2348 .off1 = td_var_offset(do_verify), 2349 .help = "Run verification stage after write", 2350 .def = "1", 2351 .parent = "verify", 2352 .hide = 1, 2353 .category = FIO_OPT_C_IO, 2354 .group = FIO_OPT_G_VERIFY, 2355 }, 2356 { 2357 .name = "verifysort", 2358 .lname = "Verify sort", 2359 .type = FIO_OPT_BOOL, 2360 .off1 = td_var_offset(verifysort), 2361 .help = "Sort written verify blocks for read back", 2362 .def = "1", 2363 .parent = "verify", 2364 .hide = 1, 2365 .category = FIO_OPT_C_IO, 2366 .group = FIO_OPT_G_VERIFY, 2367 }, 2368 { 2369 .name = "verifysort_nr", 2370 .type = FIO_OPT_INT, 2371 .off1 = td_var_offset(verifysort_nr), 2372 .help = "Pre-load and sort verify blocks for a read workload", 2373 .minval = 0, 2374 .maxval = 131072, 2375 .def = "1024", 2376 .parent = "verify", 2377 .category = FIO_OPT_C_IO, 2378 .group = FIO_OPT_G_VERIFY, 2379 }, 2380 { 2381 .name = "verify_interval", 2382 .lname = "Verify interval", 2383 .type = FIO_OPT_INT, 2384 .off1 = td_var_offset(verify_interval), 2385 .minval = 2 * sizeof(struct verify_header), 2386 .help = "Store verify buffer header every N bytes", 2387 .parent = "verify", 2388 .hide = 1, 2389 .interval = 2 * sizeof(struct verify_header), 2390 .category = FIO_OPT_C_IO, 2391 .group = FIO_OPT_G_VERIFY, 2392 }, 2393 { 2394 .name = "verify_offset", 2395 .lname = "Verify offset", 2396 .type = FIO_OPT_INT, 2397 .help = "Offset verify header location by N bytes", 2398 .off1 = td_var_offset(verify_offset), 2399 .minval = sizeof(struct verify_header), 2400 .parent = "verify", 2401 .hide = 1, 2402 .category = FIO_OPT_C_IO, 2403 .group = FIO_OPT_G_VERIFY, 2404 }, 2405 { 2406 .name = "verify_pattern", 2407 .lname = "Verify pattern", 2408 .type = FIO_OPT_STR, 2409 .cb = str_verify_pattern_cb, 2410 .off1 = td_var_offset(verify_pattern), 2411 .help = "Fill pattern for IO buffers", 2412 .parent = "verify", 2413 .hide = 1, 2414 .category = FIO_OPT_C_IO, 2415 .group = FIO_OPT_G_VERIFY, 2416 }, 2417 { 2418 .name = "verify_fatal", 2419 .lname = "Verify fatal", 2420 .type = FIO_OPT_BOOL, 2421 .off1 = td_var_offset(verify_fatal), 2422 .def = "0", 2423 .help = "Exit on a single verify failure, don't continue", 2424 .parent = "verify", 2425 .hide = 1, 2426 .category = FIO_OPT_C_IO, 2427 .group = FIO_OPT_G_VERIFY, 2428 }, 2429 { 2430 .name = "verify_dump", 2431 .lname = "Verify dump", 2432 .type = FIO_OPT_BOOL, 2433 .off1 = td_var_offset(verify_dump), 2434 .def = "0", 2435 .help = "Dump contents of good and bad blocks on failure", 2436 .parent = "verify", 2437 .hide = 1, 2438 .category = FIO_OPT_C_IO, 2439 .group = FIO_OPT_G_VERIFY, 2440 }, 2441 { 2442 .name = "verify_async", 2443 .lname = "Verify asynchronously", 2444 .type = FIO_OPT_INT, 2445 .off1 = td_var_offset(verify_async), 2446 .def = "0", 2447 .help = "Number of async verifier threads to use", 2448 .parent = "verify", 2449 .hide = 1, 2450 .category = FIO_OPT_C_IO, 2451 .group = FIO_OPT_G_VERIFY, 2452 }, 2453 { 2454 .name = "verify_backlog", 2455 .lname = "Verify backlog", 2456 .type = FIO_OPT_STR_VAL, 2457 .off1 = td_var_offset(verify_backlog), 2458 .help = "Verify after this number of blocks are written", 2459 .parent = "verify", 2460 .hide = 1, 2461 .category = FIO_OPT_C_IO, 2462 .group = FIO_OPT_G_VERIFY, 2463 }, 2464 { 2465 .name = "verify_backlog_batch", 2466 .lname = "Verify backlog batch", 2467 .type = FIO_OPT_INT, 2468 .off1 = td_var_offset(verify_batch), 2469 .help = "Verify this number of IO blocks", 2470 .parent = "verify", 2471 .hide = 1, 2472 .category = FIO_OPT_C_IO, 2473 .group = FIO_OPT_G_VERIFY, 2474 }, 2475 #ifdef FIO_HAVE_CPU_AFFINITY 2476 { 2477 .name = "verify_async_cpus", 2478 .lname = "Async verify CPUs", 2479 .type = FIO_OPT_STR, 2480 .cb = str_verify_cpus_allowed_cb, 2481 .off1 = td_var_offset(verify_cpumask), 2482 .help = "Set CPUs allowed for async verify threads", 2483 .parent = "verify_async", 2484 .hide = 1, 2485 .category = FIO_OPT_C_IO, 2486 .group = FIO_OPT_G_VERIFY, 2487 }, 2488 #endif 2489 { 2490 .name = "experimental_verify", 2491 .off1 = td_var_offset(experimental_verify), 2492 .type = FIO_OPT_BOOL, 2493 .help = "Enable experimental verification", 2494 .parent = "verify", 2495 .category = FIO_OPT_C_IO, 2496 .group = FIO_OPT_G_VERIFY, 2497 }, 2498 { 2499 .name = "verify_state_load", 2500 .lname = "Load verify state", 2501 .off1 = td_var_offset(verify_state), 2502 .type = FIO_OPT_BOOL, 2503 .help = "Load verify termination state", 2504 .parent = "verify", 2505 .category = FIO_OPT_C_IO, 2506 .group = FIO_OPT_G_VERIFY, 2507 }, 2508 { 2509 .name = "verify_state_save", 2510 .lname = "Save verify state", 2511 .off1 = td_var_offset(verify_state_save), 2512 .type = FIO_OPT_BOOL, 2513 .def = "1", 2514 .help = "Save verify state on termination", 2515 .parent = "verify", 2516 .category = FIO_OPT_C_IO, 2517 .group = FIO_OPT_G_VERIFY, 2518 }, 2519 #ifdef FIO_HAVE_TRIM 2520 { 2521 .name = "trim_percentage", 2522 .lname = "Trim percentage", 2523 .type = FIO_OPT_INT, 2524 .off1 = td_var_offset(trim_percentage), 2525 .minval = 0, 2526 .maxval = 100, 2527 .help = "Number of verify blocks to discard/trim", 2528 .parent = "verify", 2529 .def = "0", 2530 .interval = 1, 2531 .hide = 1, 2532 .category = FIO_OPT_C_IO, 2533 .group = FIO_OPT_G_TRIM, 2534 }, 2535 { 2536 .name = "trim_verify_zero", 2537 .lname = "Verify trim zero", 2538 .type = FIO_OPT_BOOL, 2539 .help = "Verify that trim/discarded blocks are returned as zeroes", 2540 .off1 = td_var_offset(trim_zero), 2541 .parent = "trim_percentage", 2542 .hide = 1, 2543 .def = "1", 2544 .category = FIO_OPT_C_IO, 2545 .group = FIO_OPT_G_TRIM, 2546 }, 2547 { 2548 .name = "trim_backlog", 2549 .lname = "Trim backlog", 2550 .type = FIO_OPT_STR_VAL, 2551 .off1 = td_var_offset(trim_backlog), 2552 .help = "Trim after this number of blocks are written", 2553 .parent = "trim_percentage", 2554 .hide = 1, 2555 .interval = 1, 2556 .category = FIO_OPT_C_IO, 2557 .group = FIO_OPT_G_TRIM, 2558 }, 2559 { 2560 .name = "trim_backlog_batch", 2561 .lname = "Trim backlog batch", 2562 .type = FIO_OPT_INT, 2563 .off1 = td_var_offset(trim_batch), 2564 .help = "Trim this number of IO blocks", 2565 .parent = "trim_percentage", 2566 .hide = 1, 2567 .interval = 1, 2568 .category = FIO_OPT_C_IO, 2569 .group = FIO_OPT_G_TRIM, 2570 }, 2571 #endif 2572 { 2573 .name = "write_iolog", 2574 .lname = "Write I/O log", 2575 .type = FIO_OPT_STR_STORE, 2576 .off1 = td_var_offset(write_iolog_file), 2577 .help = "Store IO pattern to file", 2578 .category = FIO_OPT_C_IO, 2579 .group = FIO_OPT_G_IOLOG, 2580 }, 2581 { 2582 .name = "read_iolog", 2583 .lname = "Read I/O log", 2584 .type = FIO_OPT_STR_STORE, 2585 .off1 = td_var_offset(read_iolog_file), 2586 .help = "Playback IO pattern from file", 2587 .category = FIO_OPT_C_IO, 2588 .group = FIO_OPT_G_IOLOG, 2589 }, 2590 { 2591 .name = "replay_no_stall", 2592 .lname = "Don't stall on replay", 2593 .type = FIO_OPT_BOOL, 2594 .off1 = td_var_offset(no_stall), 2595 .def = "0", 2596 .parent = "read_iolog", 2597 .hide = 1, 2598 .help = "Playback IO pattern file as fast as possible without stalls", 2599 .category = FIO_OPT_C_IO, 2600 .group = FIO_OPT_G_IOLOG, 2601 }, 2602 { 2603 .name = "replay_redirect", 2604 .lname = "Redirect device for replay", 2605 .type = FIO_OPT_STR_STORE, 2606 .off1 = td_var_offset(replay_redirect), 2607 .parent = "read_iolog", 2608 .hide = 1, 2609 .help = "Replay all I/O onto this device, regardless of trace device", 2610 .category = FIO_OPT_C_IO, 2611 .group = FIO_OPT_G_IOLOG, 2612 }, 2613 { 2614 .name = "exec_prerun", 2615 .lname = "Pre-execute runnable", 2616 .type = FIO_OPT_STR_STORE, 2617 .off1 = td_var_offset(exec_prerun), 2618 .help = "Execute this file prior to running job", 2619 .category = FIO_OPT_C_GENERAL, 2620 .group = FIO_OPT_G_INVALID, 2621 }, 2622 { 2623 .name = "exec_postrun", 2624 .lname = "Post-execute runnable", 2625 .type = FIO_OPT_STR_STORE, 2626 .off1 = td_var_offset(exec_postrun), 2627 .help = "Execute this file after running job", 2628 .category = FIO_OPT_C_GENERAL, 2629 .group = FIO_OPT_G_INVALID, 2630 }, 2631 #ifdef FIO_HAVE_IOSCHED_SWITCH 2632 { 2633 .name = "ioscheduler", 2634 .lname = "I/O scheduler", 2635 .type = FIO_OPT_STR_STORE, 2636 .off1 = td_var_offset(ioscheduler), 2637 .help = "Use this IO scheduler on the backing device", 2638 .category = FIO_OPT_C_FILE, 2639 .group = FIO_OPT_G_INVALID, 2640 }, 2641 #endif 2642 { 2643 .name = "zonesize", 2644 .lname = "Zone size", 2645 .type = FIO_OPT_STR_VAL, 2646 .off1 = td_var_offset(zone_size), 2647 .help = "Amount of data to read per zone", 2648 .def = "0", 2649 .interval = 1024 * 1024, 2650 .category = FIO_OPT_C_IO, 2651 .group = FIO_OPT_G_ZONE, 2652 }, 2653 { 2654 .name = "zonerange", 2655 .lname = "Zone range", 2656 .type = FIO_OPT_STR_VAL, 2657 .off1 = td_var_offset(zone_range), 2658 .help = "Give size of an IO zone", 2659 .def = "0", 2660 .interval = 1024 * 1024, 2661 .category = FIO_OPT_C_IO, 2662 .group = FIO_OPT_G_ZONE, 2663 }, 2664 { 2665 .name = "zoneskip", 2666 .lname = "Zone skip", 2667 .type = FIO_OPT_STR_VAL, 2668 .off1 = td_var_offset(zone_skip), 2669 .help = "Space between IO zones", 2670 .def = "0", 2671 .interval = 1024 * 1024, 2672 .category = FIO_OPT_C_IO, 2673 .group = FIO_OPT_G_ZONE, 2674 }, 2675 { 2676 .name = "lockmem", 2677 .lname = "Lock memory", 2678 .type = FIO_OPT_STR_VAL, 2679 .off1 = td_var_offset(lockmem), 2680 .help = "Lock down this amount of memory (per worker)", 2681 .def = "0", 2682 .interval = 1024 * 1024, 2683 .category = FIO_OPT_C_GENERAL, 2684 .group = FIO_OPT_G_INVALID, 2685 }, 2686 { 2687 .name = "rwmixread", 2688 .lname = "Read/write mix read", 2689 .type = FIO_OPT_INT, 2690 .cb = str_rwmix_read_cb, 2691 .off1 = td_var_offset(rwmix[DDIR_READ]), 2692 .maxval = 100, 2693 .help = "Percentage of mixed workload that is reads", 2694 .def = "50", 2695 .interval = 5, 2696 .inverse = "rwmixwrite", 2697 .category = FIO_OPT_C_IO, 2698 .group = FIO_OPT_G_RWMIX, 2699 }, 2700 { 2701 .name = "rwmixwrite", 2702 .lname = "Read/write mix write", 2703 .type = FIO_OPT_INT, 2704 .cb = str_rwmix_write_cb, 2705 .off1 = td_var_offset(rwmix[DDIR_WRITE]), 2706 .maxval = 100, 2707 .help = "Percentage of mixed workload that is writes", 2708 .def = "50", 2709 .interval = 5, 2710 .inverse = "rwmixread", 2711 .category = FIO_OPT_C_IO, 2712 .group = FIO_OPT_G_RWMIX, 2713 }, 2714 { 2715 .name = "rwmixcycle", 2716 .lname = "Read/write mix cycle", 2717 .type = FIO_OPT_DEPRECATED, 2718 .category = FIO_OPT_C_IO, 2719 .group = FIO_OPT_G_RWMIX, 2720 }, 2721 { 2722 .name = "nice", 2723 .lname = "Nice", 2724 .type = FIO_OPT_INT, 2725 .off1 = td_var_offset(nice), 2726 .help = "Set job CPU nice value", 2727 .minval = -19, 2728 .maxval = 20, 2729 .def = "0", 2730 .interval = 1, 2731 .category = FIO_OPT_C_GENERAL, 2732 .group = FIO_OPT_G_CRED, 2733 }, 2734 #ifdef FIO_HAVE_IOPRIO 2735 { 2736 .name = "prio", 2737 .lname = "I/O nice priority", 2738 .type = FIO_OPT_INT, 2739 .off1 = td_var_offset(ioprio), 2740 .help = "Set job IO priority value", 2741 .minval = 0, 2742 .maxval = 7, 2743 .interval = 1, 2744 .category = FIO_OPT_C_GENERAL, 2745 .group = FIO_OPT_G_CRED, 2746 }, 2747 { 2748 .name = "prioclass", 2749 .lname = "I/O nice priority class", 2750 .type = FIO_OPT_INT, 2751 .off1 = td_var_offset(ioprio_class), 2752 .help = "Set job IO priority class", 2753 .minval = 0, 2754 .maxval = 3, 2755 .interval = 1, 2756 .category = FIO_OPT_C_GENERAL, 2757 .group = FIO_OPT_G_CRED, 2758 }, 2759 #endif 2760 { 2761 .name = "thinktime", 2762 .lname = "Thinktime", 2763 .type = FIO_OPT_INT, 2764 .off1 = td_var_offset(thinktime), 2765 .help = "Idle time between IO buffers (usec)", 2766 .def = "0", 2767 .is_time = 1, 2768 .category = FIO_OPT_C_IO, 2769 .group = FIO_OPT_G_THINKTIME, 2770 }, 2771 { 2772 .name = "thinktime_spin", 2773 .lname = "Thinktime spin", 2774 .type = FIO_OPT_INT, 2775 .off1 = td_var_offset(thinktime_spin), 2776 .help = "Start think time by spinning this amount (usec)", 2777 .def = "0", 2778 .is_time = 1, 2779 .parent = "thinktime", 2780 .hide = 1, 2781 .category = FIO_OPT_C_IO, 2782 .group = FIO_OPT_G_THINKTIME, 2783 }, 2784 { 2785 .name = "thinktime_blocks", 2786 .lname = "Thinktime blocks", 2787 .type = FIO_OPT_INT, 2788 .off1 = td_var_offset(thinktime_blocks), 2789 .help = "IO buffer period between 'thinktime'", 2790 .def = "1", 2791 .parent = "thinktime", 2792 .hide = 1, 2793 .category = FIO_OPT_C_IO, 2794 .group = FIO_OPT_G_THINKTIME, 2795 }, 2796 { 2797 .name = "rate", 2798 .lname = "I/O rate", 2799 .type = FIO_OPT_INT, 2800 .off1 = td_var_offset(rate[DDIR_READ]), 2801 .off2 = td_var_offset(rate[DDIR_WRITE]), 2802 .off3 = td_var_offset(rate[DDIR_TRIM]), 2803 .help = "Set bandwidth rate", 2804 .category = FIO_OPT_C_IO, 2805 .group = FIO_OPT_G_RATE, 2806 }, 2807 { 2808 .name = "ratemin", 2809 .lname = "I/O min rate", 2810 .type = FIO_OPT_INT, 2811 .off1 = td_var_offset(ratemin[DDIR_READ]), 2812 .off2 = td_var_offset(ratemin[DDIR_WRITE]), 2813 .off3 = td_var_offset(ratemin[DDIR_TRIM]), 2814 .help = "Job must meet this rate or it will be shutdown", 2815 .parent = "rate", 2816 .hide = 1, 2817 .category = FIO_OPT_C_IO, 2818 .group = FIO_OPT_G_RATE, 2819 }, 2820 { 2821 .name = "rate_iops", 2822 .lname = "I/O rate IOPS", 2823 .type = FIO_OPT_INT, 2824 .off1 = td_var_offset(rate_iops[DDIR_READ]), 2825 .off2 = td_var_offset(rate_iops[DDIR_WRITE]), 2826 .off3 = td_var_offset(rate_iops[DDIR_TRIM]), 2827 .help = "Limit IO used to this number of IO operations/sec", 2828 .hide = 1, 2829 .category = FIO_OPT_C_IO, 2830 .group = FIO_OPT_G_RATE, 2831 }, 2832 { 2833 .name = "rate_iops_min", 2834 .lname = "I/O min rate IOPS", 2835 .type = FIO_OPT_INT, 2836 .off1 = td_var_offset(rate_iops_min[DDIR_READ]), 2837 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]), 2838 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]), 2839 .help = "Job must meet this rate or it will be shut down", 2840 .parent = "rate_iops", 2841 .hide = 1, 2842 .category = FIO_OPT_C_IO, 2843 .group = FIO_OPT_G_RATE, 2844 }, 2845 { 2846 .name = "ratecycle", 2847 .lname = "I/O rate cycle", 2848 .type = FIO_OPT_INT, 2849 .off1 = td_var_offset(ratecycle), 2850 .help = "Window average for rate limits (msec)", 2851 .def = "1000", 2852 .parent = "rate", 2853 .hide = 1, 2854 .category = FIO_OPT_C_IO, 2855 .group = FIO_OPT_G_RATE, 2856 }, 2857 { 2858 .name = "max_latency", 2859 .type = FIO_OPT_INT, 2860 .off1 = td_var_offset(max_latency), 2861 .help = "Maximum tolerated IO latency (usec)", 2862 .is_time = 1, 2863 .category = FIO_OPT_C_IO, 2864 .group = FIO_OPT_G_LATPROF, 2865 }, 2866 { 2867 .name = "latency_target", 2868 .lname = "Latency Target (usec)", 2869 .type = FIO_OPT_STR_VAL_TIME, 2870 .off1 = td_var_offset(latency_target), 2871 .help = "Ramp to max queue depth supporting this latency", 2872 .is_time = 1, 2873 .category = FIO_OPT_C_IO, 2874 .group = FIO_OPT_G_LATPROF, 2875 }, 2876 { 2877 .name = "latency_window", 2878 .lname = "Latency Window (usec)", 2879 .type = FIO_OPT_STR_VAL_TIME, 2880 .off1 = td_var_offset(latency_window), 2881 .help = "Time to sustain latency_target", 2882 .is_time = 1, 2883 .category = FIO_OPT_C_IO, 2884 .group = FIO_OPT_G_LATPROF, 2885 }, 2886 { 2887 .name = "latency_percentile", 2888 .lname = "Latency Percentile", 2889 .type = FIO_OPT_FLOAT_LIST, 2890 .off1 = td_var_offset(latency_percentile), 2891 .help = "Percentile of IOs must be below latency_target", 2892 .def = "100", 2893 .maxlen = 1, 2894 .minfp = 0.0, 2895 .maxfp = 100.0, 2896 .category = FIO_OPT_C_IO, 2897 .group = FIO_OPT_G_LATPROF, 2898 }, 2899 { 2900 .name = "invalidate", 2901 .lname = "Cache invalidate", 2902 .type = FIO_OPT_BOOL, 2903 .off1 = td_var_offset(invalidate_cache), 2904 .help = "Invalidate buffer/page cache prior to running job", 2905 .def = "1", 2906 .category = FIO_OPT_C_IO, 2907 .group = FIO_OPT_G_IO_TYPE, 2908 }, 2909 { 2910 .name = "sync", 2911 .lname = "Synchronous I/O", 2912 .type = FIO_OPT_BOOL, 2913 .off1 = td_var_offset(sync_io), 2914 .help = "Use O_SYNC for buffered writes", 2915 .def = "0", 2916 .parent = "buffered", 2917 .hide = 1, 2918 .category = FIO_OPT_C_IO, 2919 .group = FIO_OPT_G_IO_TYPE, 2920 }, 2921 { 2922 .name = "create_serialize", 2923 .lname = "Create serialize", 2924 .type = FIO_OPT_BOOL, 2925 .off1 = td_var_offset(create_serialize), 2926 .help = "Serialize creating of job files", 2927 .def = "1", 2928 .category = FIO_OPT_C_FILE, 2929 .group = FIO_OPT_G_INVALID, 2930 }, 2931 { 2932 .name = "create_fsync", 2933 .lname = "Create fsync", 2934 .type = FIO_OPT_BOOL, 2935 .off1 = td_var_offset(create_fsync), 2936 .help = "fsync file after creation", 2937 .def = "1", 2938 .category = FIO_OPT_C_FILE, 2939 .group = FIO_OPT_G_INVALID, 2940 }, 2941 { 2942 .name = "create_on_open", 2943 .lname = "Create on open", 2944 .type = FIO_OPT_BOOL, 2945 .off1 = td_var_offset(create_on_open), 2946 .help = "Create files when they are opened for IO", 2947 .def = "0", 2948 .category = FIO_OPT_C_FILE, 2949 .group = FIO_OPT_G_INVALID, 2950 }, 2951 { 2952 .name = "create_only", 2953 .type = FIO_OPT_BOOL, 2954 .off1 = td_var_offset(create_only), 2955 .help = "Only perform file creation phase", 2956 .category = FIO_OPT_C_FILE, 2957 .def = "0", 2958 }, 2959 { 2960 .name = "pre_read", 2961 .lname = "Pre-read files", 2962 .type = FIO_OPT_BOOL, 2963 .off1 = td_var_offset(pre_read), 2964 .help = "Pre-read files before starting official testing", 2965 .def = "0", 2966 .category = FIO_OPT_C_FILE, 2967 .group = FIO_OPT_G_INVALID, 2968 }, 2969 #ifdef FIO_HAVE_CPU_AFFINITY 2970 { 2971 .name = "cpumask", 2972 .lname = "CPU mask", 2973 .type = FIO_OPT_INT, 2974 .cb = str_cpumask_cb, 2975 .off1 = td_var_offset(cpumask), 2976 .help = "CPU affinity mask", 2977 .category = FIO_OPT_C_GENERAL, 2978 .group = FIO_OPT_G_CRED, 2979 }, 2980 { 2981 .name = "cpus_allowed", 2982 .lname = "CPUs allowed", 2983 .type = FIO_OPT_STR, 2984 .cb = str_cpus_allowed_cb, 2985 .off1 = td_var_offset(cpumask), 2986 .help = "Set CPUs allowed", 2987 .category = FIO_OPT_C_GENERAL, 2988 .group = FIO_OPT_G_CRED, 2989 }, 2990 { 2991 .name = "cpus_allowed_policy", 2992 .lname = "CPUs allowed distribution policy", 2993 .type = FIO_OPT_STR, 2994 .off1 = td_var_offset(cpus_allowed_policy), 2995 .help = "Distribution policy for cpus_allowed", 2996 .parent = "cpus_allowed", 2997 .prio = 1, 2998 .posval = { 2999 { .ival = "shared", 3000 .oval = FIO_CPUS_SHARED, 3001 .help = "Mask shared between threads", 3002 }, 3003 { .ival = "split", 3004 .oval = FIO_CPUS_SPLIT, 3005 .help = "Mask split between threads", 3006 }, 3007 }, 3008 .category = FIO_OPT_C_GENERAL, 3009 .group = FIO_OPT_G_CRED, 3010 }, 3011 #endif 3012 #ifdef CONFIG_LIBNUMA 3013 { 3014 .name = "numa_cpu_nodes", 3015 .type = FIO_OPT_STR, 3016 .cb = str_numa_cpunodes_cb, 3017 .off1 = td_var_offset(numa_cpunodes), 3018 .help = "NUMA CPU nodes bind", 3019 .category = FIO_OPT_C_GENERAL, 3020 .group = FIO_OPT_G_INVALID, 3021 }, 3022 { 3023 .name = "numa_mem_policy", 3024 .type = FIO_OPT_STR, 3025 .cb = str_numa_mpol_cb, 3026 .off1 = td_var_offset(numa_memnodes), 3027 .help = "NUMA memory policy setup", 3028 .category = FIO_OPT_C_GENERAL, 3029 .group = FIO_OPT_G_INVALID, 3030 }, 3031 #endif 3032 { 3033 .name = "end_fsync", 3034 .lname = "End fsync", 3035 .type = FIO_OPT_BOOL, 3036 .off1 = td_var_offset(end_fsync), 3037 .help = "Include fsync at the end of job", 3038 .def = "0", 3039 .category = FIO_OPT_C_FILE, 3040 .group = FIO_OPT_G_INVALID, 3041 }, 3042 { 3043 .name = "fsync_on_close", 3044 .lname = "Fsync on close", 3045 .type = FIO_OPT_BOOL, 3046 .off1 = td_var_offset(fsync_on_close), 3047 .help = "fsync files on close", 3048 .def = "0", 3049 .category = FIO_OPT_C_FILE, 3050 .group = FIO_OPT_G_INVALID, 3051 }, 3052 { 3053 .name = "unlink", 3054 .lname = "Unlink file", 3055 .type = FIO_OPT_BOOL, 3056 .off1 = td_var_offset(unlink), 3057 .help = "Unlink created files after job has completed", 3058 .def = "0", 3059 .category = FIO_OPT_C_FILE, 3060 .group = FIO_OPT_G_INVALID, 3061 }, 3062 { 3063 .name = "exitall", 3064 .lname = "Exit-all on terminate", 3065 .type = FIO_OPT_STR_SET, 3066 .cb = str_exitall_cb, 3067 .help = "Terminate all jobs when one exits", 3068 .category = FIO_OPT_C_GENERAL, 3069 .group = FIO_OPT_G_PROCESS, 3070 }, 3071 { 3072 .name = "stonewall", 3073 .lname = "Wait for previous", 3074 .alias = "wait_for_previous", 3075 .type = FIO_OPT_STR_SET, 3076 .off1 = td_var_offset(stonewall), 3077 .help = "Insert a hard barrier between this job and previous", 3078 .category = FIO_OPT_C_GENERAL, 3079 .group = FIO_OPT_G_PROCESS, 3080 }, 3081 { 3082 .name = "new_group", 3083 .lname = "New group", 3084 .type = FIO_OPT_STR_SET, 3085 .off1 = td_var_offset(new_group), 3086 .help = "Mark the start of a new group (for reporting)", 3087 .category = FIO_OPT_C_GENERAL, 3088 .group = FIO_OPT_G_PROCESS, 3089 }, 3090 { 3091 .name = "thread", 3092 .lname = "Thread", 3093 .type = FIO_OPT_STR_SET, 3094 .off1 = td_var_offset(use_thread), 3095 .help = "Use threads instead of processes", 3096 #ifdef CONFIG_NO_SHM 3097 .def = "1", 3098 .no_warn_def = 1, 3099 #endif 3100 .category = FIO_OPT_C_GENERAL, 3101 .group = FIO_OPT_G_PROCESS, 3102 }, 3103 { 3104 .name = "write_bw_log", 3105 .lname = "Write bandwidth log", 3106 .type = FIO_OPT_STR_STORE, 3107 .off1 = td_var_offset(bw_log_file), 3108 .help = "Write log of bandwidth during run", 3109 .category = FIO_OPT_C_LOG, 3110 .group = FIO_OPT_G_INVALID, 3111 }, 3112 { 3113 .name = "write_lat_log", 3114 .lname = "Write latency log", 3115 .type = FIO_OPT_STR_STORE, 3116 .off1 = td_var_offset(lat_log_file), 3117 .help = "Write log of latency during run", 3118 .category = FIO_OPT_C_LOG, 3119 .group = FIO_OPT_G_INVALID, 3120 }, 3121 { 3122 .name = "write_iops_log", 3123 .lname = "Write IOPS log", 3124 .type = FIO_OPT_STR_STORE, 3125 .off1 = td_var_offset(iops_log_file), 3126 .help = "Write log of IOPS during run", 3127 .category = FIO_OPT_C_LOG, 3128 .group = FIO_OPT_G_INVALID, 3129 }, 3130 { 3131 .name = "log_avg_msec", 3132 .lname = "Log averaging (msec)", 3133 .type = FIO_OPT_INT, 3134 .off1 = td_var_offset(log_avg_msec), 3135 .help = "Average bw/iops/lat logs over this period of time", 3136 .def = "0", 3137 .category = FIO_OPT_C_LOG, 3138 .group = FIO_OPT_G_INVALID, 3139 }, 3140 { 3141 .name = "log_offset", 3142 .lname = "Log offset of IO", 3143 .type = FIO_OPT_BOOL, 3144 .off1 = td_var_offset(log_offset), 3145 .help = "Include offset of IO for each log entry", 3146 .def = "0", 3147 .category = FIO_OPT_C_LOG, 3148 .group = FIO_OPT_G_INVALID, 3149 }, 3150 #ifdef CONFIG_ZLIB 3151 { 3152 .name = "log_compression", 3153 .lname = "Log compression", 3154 .type = FIO_OPT_INT, 3155 .off1 = td_var_offset(log_gz), 3156 .help = "Log in compressed chunks of this size", 3157 .minval = 32 * 1024 * 1024ULL, 3158 .maxval = 512 * 1024 * 1024ULL, 3159 .category = FIO_OPT_C_LOG, 3160 .group = FIO_OPT_G_INVALID, 3161 }, 3162 { 3163 .name = "log_store_compressed", 3164 .lname = "Log store compressed", 3165 .type = FIO_OPT_BOOL, 3166 .off1 = td_var_offset(log_gz_store), 3167 .help = "Store logs in a compressed format", 3168 .category = FIO_OPT_C_LOG, 3169 .group = FIO_OPT_G_INVALID, 3170 }, 3171 #endif 3172 { 3173 .name = "bwavgtime", 3174 .lname = "Bandwidth average time", 3175 .type = FIO_OPT_INT, 3176 .off1 = td_var_offset(bw_avg_time), 3177 .help = "Time window over which to calculate bandwidth" 3178 " (msec)", 3179 .def = "500", 3180 .parent = "write_bw_log", 3181 .hide = 1, 3182 .interval = 100, 3183 .category = FIO_OPT_C_LOG, 3184 .group = FIO_OPT_G_INVALID, 3185 }, 3186 { 3187 .name = "iopsavgtime", 3188 .lname = "IOPS average time", 3189 .type = FIO_OPT_INT, 3190 .off1 = td_var_offset(iops_avg_time), 3191 .help = "Time window over which to calculate IOPS (msec)", 3192 .def = "500", 3193 .parent = "write_iops_log", 3194 .hide = 1, 3195 .interval = 100, 3196 .category = FIO_OPT_C_LOG, 3197 .group = FIO_OPT_G_INVALID, 3198 }, 3199 { 3200 .name = "group_reporting", 3201 .lname = "Group reporting", 3202 .type = FIO_OPT_STR_SET, 3203 .off1 = td_var_offset(group_reporting), 3204 .help = "Do reporting on a per-group basis", 3205 .category = FIO_OPT_C_STAT, 3206 .group = FIO_OPT_G_INVALID, 3207 }, 3208 { 3209 .name = "zero_buffers", 3210 .lname = "Zero I/O buffers", 3211 .type = FIO_OPT_STR_SET, 3212 .off1 = td_var_offset(zero_buffers), 3213 .help = "Init IO buffers to all zeroes", 3214 .category = FIO_OPT_C_IO, 3215 .group = FIO_OPT_G_IO_BUF, 3216 }, 3217 { 3218 .name = "refill_buffers", 3219 .lname = "Refill I/O buffers", 3220 .type = FIO_OPT_STR_SET, 3221 .off1 = td_var_offset(refill_buffers), 3222 .help = "Refill IO buffers on every IO submit", 3223 .category = FIO_OPT_C_IO, 3224 .group = FIO_OPT_G_IO_BUF, 3225 }, 3226 { 3227 .name = "scramble_buffers", 3228 .lname = "Scramble I/O buffers", 3229 .type = FIO_OPT_BOOL, 3230 .off1 = td_var_offset(scramble_buffers), 3231 .help = "Slightly scramble buffers on every IO submit", 3232 .def = "1", 3233 .category = FIO_OPT_C_IO, 3234 .group = FIO_OPT_G_IO_BUF, 3235 }, 3236 { 3237 .name = "buffer_pattern", 3238 .lname = "Buffer pattern", 3239 .type = FIO_OPT_STR, 3240 .cb = str_buffer_pattern_cb, 3241 .off1 = td_var_offset(buffer_pattern), 3242 .help = "Fill pattern for IO buffers", 3243 .category = FIO_OPT_C_IO, 3244 .group = FIO_OPT_G_IO_BUF, 3245 }, 3246 { 3247 .name = "buffer_compress_percentage", 3248 .lname = "Buffer compression percentage", 3249 .type = FIO_OPT_INT, 3250 .cb = str_buffer_compress_cb, 3251 .off1 = td_var_offset(compress_percentage), 3252 .maxval = 100, 3253 .minval = 0, 3254 .help = "How compressible the buffer is (approximately)", 3255 .interval = 5, 3256 .category = FIO_OPT_C_IO, 3257 .group = FIO_OPT_G_IO_BUF, 3258 }, 3259 { 3260 .name = "buffer_compress_chunk", 3261 .lname = "Buffer compression chunk size", 3262 .type = FIO_OPT_INT, 3263 .off1 = td_var_offset(compress_chunk), 3264 .parent = "buffer_compress_percentage", 3265 .hide = 1, 3266 .help = "Size of compressible region in buffer", 3267 .interval = 256, 3268 .category = FIO_OPT_C_IO, 3269 .group = FIO_OPT_G_IO_BUF, 3270 }, 3271 { 3272 .name = "dedupe_percentage", 3273 .lname = "Dedupe percentage", 3274 .type = FIO_OPT_INT, 3275 .cb = str_dedupe_cb, 3276 .off1 = td_var_offset(dedupe_percentage), 3277 .maxval = 100, 3278 .minval = 0, 3279 .help = "Percentage of buffers that are dedupable", 3280 .interval = 1, 3281 .category = FIO_OPT_C_IO, 3282 .group = FIO_OPT_G_IO_BUF, 3283 }, 3284 { 3285 .name = "clat_percentiles", 3286 .lname = "Completion latency percentiles", 3287 .type = FIO_OPT_BOOL, 3288 .off1 = td_var_offset(clat_percentiles), 3289 .help = "Enable the reporting of completion latency percentiles", 3290 .def = "1", 3291 .category = FIO_OPT_C_STAT, 3292 .group = FIO_OPT_G_INVALID, 3293 }, 3294 { 3295 .name = "percentile_list", 3296 .lname = "Completion latency percentile list", 3297 .type = FIO_OPT_FLOAT_LIST, 3298 .off1 = td_var_offset(percentile_list), 3299 .off2 = td_var_offset(percentile_precision), 3300 .help = "Specify a custom list of percentiles to report", 3301 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99", 3302 .maxlen = FIO_IO_U_LIST_MAX_LEN, 3303 .minfp = 0.0, 3304 .maxfp = 100.0, 3305 .category = FIO_OPT_C_STAT, 3306 .group = FIO_OPT_G_INVALID, 3307 }, 3308 3309 #ifdef FIO_HAVE_DISK_UTIL 3310 { 3311 .name = "disk_util", 3312 .lname = "Disk utilization", 3313 .type = FIO_OPT_BOOL, 3314 .off1 = td_var_offset(do_disk_util), 3315 .help = "Log disk utilization statistics", 3316 .def = "1", 3317 .category = FIO_OPT_C_STAT, 3318 .group = FIO_OPT_G_INVALID, 3319 }, 3320 #endif 3321 { 3322 .name = "gtod_reduce", 3323 .lname = "Reduce gettimeofday() calls", 3324 .type = FIO_OPT_BOOL, 3325 .help = "Greatly reduce number of gettimeofday() calls", 3326 .cb = str_gtod_reduce_cb, 3327 .def = "0", 3328 .hide_on_set = 1, 3329 .category = FIO_OPT_C_STAT, 3330 .group = FIO_OPT_G_INVALID, 3331 }, 3332 { 3333 .name = "disable_lat", 3334 .lname = "Disable all latency stats", 3335 .type = FIO_OPT_BOOL, 3336 .off1 = td_var_offset(disable_lat), 3337 .help = "Disable latency numbers", 3338 .parent = "gtod_reduce", 3339 .hide = 1, 3340 .def = "0", 3341 .category = FIO_OPT_C_STAT, 3342 .group = FIO_OPT_G_INVALID, 3343 }, 3344 { 3345 .name = "disable_clat", 3346 .lname = "Disable completion latency stats", 3347 .type = FIO_OPT_BOOL, 3348 .off1 = td_var_offset(disable_clat), 3349 .help = "Disable completion latency numbers", 3350 .parent = "gtod_reduce", 3351 .hide = 1, 3352 .def = "0", 3353 .category = FIO_OPT_C_STAT, 3354 .group = FIO_OPT_G_INVALID, 3355 }, 3356 { 3357 .name = "disable_slat", 3358 .lname = "Disable submission latency stats", 3359 .type = FIO_OPT_BOOL, 3360 .off1 = td_var_offset(disable_slat), 3361 .help = "Disable submission latency numbers", 3362 .parent = "gtod_reduce", 3363 .hide = 1, 3364 .def = "0", 3365 .category = FIO_OPT_C_STAT, 3366 .group = FIO_OPT_G_INVALID, 3367 }, 3368 { 3369 .name = "disable_bw_measurement", 3370 .lname = "Disable bandwidth stats", 3371 .type = FIO_OPT_BOOL, 3372 .off1 = td_var_offset(disable_bw), 3373 .help = "Disable bandwidth logging", 3374 .parent = "gtod_reduce", 3375 .hide = 1, 3376 .def = "0", 3377 .category = FIO_OPT_C_STAT, 3378 .group = FIO_OPT_G_INVALID, 3379 }, 3380 { 3381 .name = "gtod_cpu", 3382 .lname = "Dedicated gettimeofday() CPU", 3383 .type = FIO_OPT_INT, 3384 .off1 = td_var_offset(gtod_cpu), 3385 .help = "Set up dedicated gettimeofday() thread on this CPU", 3386 .verify = gtod_cpu_verify, 3387 .category = FIO_OPT_C_GENERAL, 3388 .group = FIO_OPT_G_CLOCK, 3389 }, 3390 { 3391 .name = "unified_rw_reporting", 3392 .type = FIO_OPT_BOOL, 3393 .off1 = td_var_offset(unified_rw_rep), 3394 .help = "Unify reporting across data direction", 3395 .def = "0", 3396 .category = FIO_OPT_C_GENERAL, 3397 .group = FIO_OPT_G_INVALID, 3398 }, 3399 { 3400 .name = "continue_on_error", 3401 .lname = "Continue on error", 3402 .type = FIO_OPT_STR, 3403 .off1 = td_var_offset(continue_on_error), 3404 .help = "Continue on non-fatal errors during IO", 3405 .def = "none", 3406 .category = FIO_OPT_C_GENERAL, 3407 .group = FIO_OPT_G_ERR, 3408 .posval = { 3409 { .ival = "none", 3410 .oval = ERROR_TYPE_NONE, 3411 .help = "Exit when an error is encountered", 3412 }, 3413 { .ival = "read", 3414 .oval = ERROR_TYPE_READ, 3415 .help = "Continue on read errors only", 3416 }, 3417 { .ival = "write", 3418 .oval = ERROR_TYPE_WRITE, 3419 .help = "Continue on write errors only", 3420 }, 3421 { .ival = "io", 3422 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE, 3423 .help = "Continue on any IO errors", 3424 }, 3425 { .ival = "verify", 3426 .oval = ERROR_TYPE_VERIFY, 3427 .help = "Continue on verify errors only", 3428 }, 3429 { .ival = "all", 3430 .oval = ERROR_TYPE_ANY, 3431 .help = "Continue on all io and verify errors", 3432 }, 3433 { .ival = "0", 3434 .oval = ERROR_TYPE_NONE, 3435 .help = "Alias for 'none'", 3436 }, 3437 { .ival = "1", 3438 .oval = ERROR_TYPE_ANY, 3439 .help = "Alias for 'all'", 3440 }, 3441 }, 3442 }, 3443 { 3444 .name = "ignore_error", 3445 .type = FIO_OPT_STR, 3446 .cb = str_ignore_error_cb, 3447 .off1 = td_var_offset(ignore_error_nr), 3448 .help = "Set a specific list of errors to ignore", 3449 .parent = "rw", 3450 .category = FIO_OPT_C_GENERAL, 3451 .group = FIO_OPT_G_ERR, 3452 }, 3453 { 3454 .name = "error_dump", 3455 .type = FIO_OPT_BOOL, 3456 .off1 = td_var_offset(error_dump), 3457 .def = "0", 3458 .help = "Dump info on each error", 3459 .category = FIO_OPT_C_GENERAL, 3460 .group = FIO_OPT_G_ERR, 3461 }, 3462 { 3463 .name = "profile", 3464 .lname = "Profile", 3465 .type = FIO_OPT_STR_STORE, 3466 .off1 = td_var_offset(profile), 3467 .help = "Select a specific builtin performance test", 3468 .category = FIO_OPT_C_PROFILE, 3469 .group = FIO_OPT_G_INVALID, 3470 }, 3471 { 3472 .name = "cgroup", 3473 .lname = "Cgroup", 3474 .type = FIO_OPT_STR_STORE, 3475 .off1 = td_var_offset(cgroup), 3476 .help = "Add job to cgroup of this name", 3477 .category = FIO_OPT_C_GENERAL, 3478 .group = FIO_OPT_G_CGROUP, 3479 }, 3480 { 3481 .name = "cgroup_nodelete", 3482 .lname = "Cgroup no-delete", 3483 .type = FIO_OPT_BOOL, 3484 .off1 = td_var_offset(cgroup_nodelete), 3485 .help = "Do not delete cgroups after job completion", 3486 .def = "0", 3487 .parent = "cgroup", 3488 .category = FIO_OPT_C_GENERAL, 3489 .group = FIO_OPT_G_CGROUP, 3490 }, 3491 { 3492 .name = "cgroup_weight", 3493 .lname = "Cgroup weight", 3494 .type = FIO_OPT_INT, 3495 .off1 = td_var_offset(cgroup_weight), 3496 .help = "Use given weight for cgroup", 3497 .minval = 100, 3498 .maxval = 1000, 3499 .parent = "cgroup", 3500 .category = FIO_OPT_C_GENERAL, 3501 .group = FIO_OPT_G_CGROUP, 3502 }, 3503 { 3504 .name = "uid", 3505 .lname = "User ID", 3506 .type = FIO_OPT_INT, 3507 .off1 = td_var_offset(uid), 3508 .help = "Run job with this user ID", 3509 .category = FIO_OPT_C_GENERAL, 3510 .group = FIO_OPT_G_CRED, 3511 }, 3512 { 3513 .name = "gid", 3514 .lname = "Group ID", 3515 .type = FIO_OPT_INT, 3516 .off1 = td_var_offset(gid), 3517 .help = "Run job with this group ID", 3518 .category = FIO_OPT_C_GENERAL, 3519 .group = FIO_OPT_G_CRED, 3520 }, 3521 { 3522 .name = "kb_base", 3523 .lname = "KB Base", 3524 .type = FIO_OPT_INT, 3525 .off1 = td_var_offset(kb_base), 3526 .prio = 1, 3527 .def = "1024", 3528 .posval = { 3529 { .ival = "1024", 3530 .oval = 1024, 3531 .help = "Use 1024 as the K base", 3532 }, 3533 { .ival = "1000", 3534 .oval = 1000, 3535 .help = "Use 1000 as the K base", 3536 }, 3537 }, 3538 .help = "How many bytes per KB for reporting (1000 or 1024)", 3539 .category = FIO_OPT_C_GENERAL, 3540 .group = FIO_OPT_G_INVALID, 3541 }, 3542 { 3543 .name = "unit_base", 3544 .lname = "Base unit for reporting (Bits or Bytes)", 3545 .type = FIO_OPT_INT, 3546 .off1 = td_var_offset(unit_base), 3547 .prio = 1, 3548 .posval = { 3549 { .ival = "0", 3550 .oval = 0, 3551 .help = "Auto-detect", 3552 }, 3553 { .ival = "8", 3554 .oval = 8, 3555 .help = "Normal (byte based)", 3556 }, 3557 { .ival = "1", 3558 .oval = 1, 3559 .help = "Bit based", 3560 }, 3561 }, 3562 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)", 3563 .category = FIO_OPT_C_GENERAL, 3564 .group = FIO_OPT_G_INVALID, 3565 }, 3566 { 3567 .name = "hugepage-size", 3568 .lname = "Hugepage size", 3569 .type = FIO_OPT_INT, 3570 .off1 = td_var_offset(hugepage_size), 3571 .help = "When using hugepages, specify size of each page", 3572 .def = __fio_stringify(FIO_HUGE_PAGE), 3573 .interval = 1024 * 1024, 3574 .category = FIO_OPT_C_GENERAL, 3575 .group = FIO_OPT_G_INVALID, 3576 }, 3577 { 3578 .name = "flow_id", 3579 .lname = "I/O flow ID", 3580 .type = FIO_OPT_INT, 3581 .off1 = td_var_offset(flow_id), 3582 .help = "The flow index ID to use", 3583 .def = "0", 3584 .category = FIO_OPT_C_IO, 3585 .group = FIO_OPT_G_IO_FLOW, 3586 }, 3587 { 3588 .name = "flow", 3589 .lname = "I/O flow weight", 3590 .type = FIO_OPT_INT, 3591 .off1 = td_var_offset(flow), 3592 .help = "Weight for flow control of this job", 3593 .parent = "flow_id", 3594 .hide = 1, 3595 .def = "0", 3596 .category = FIO_OPT_C_IO, 3597 .group = FIO_OPT_G_IO_FLOW, 3598 }, 3599 { 3600 .name = "flow_watermark", 3601 .lname = "I/O flow watermark", 3602 .type = FIO_OPT_INT, 3603 .off1 = td_var_offset(flow_watermark), 3604 .help = "High watermark for flow control. This option" 3605 " should be set to the same value for all threads" 3606 " with non-zero flow.", 3607 .parent = "flow_id", 3608 .hide = 1, 3609 .def = "1024", 3610 .category = FIO_OPT_C_IO, 3611 .group = FIO_OPT_G_IO_FLOW, 3612 }, 3613 { 3614 .name = "flow_sleep", 3615 .lname = "I/O flow sleep", 3616 .type = FIO_OPT_INT, 3617 .off1 = td_var_offset(flow_sleep), 3618 .help = "How many microseconds to sleep after being held" 3619 " back by the flow control mechanism", 3620 .parent = "flow_id", 3621 .hide = 1, 3622 .def = "0", 3623 .category = FIO_OPT_C_IO, 3624 .group = FIO_OPT_G_IO_FLOW, 3625 }, 3626 { 3627 .name = NULL, 3628 }, 3629 }; 3630 3631 static void add_to_lopt(struct option *lopt, struct fio_option *o, 3632 const char *name, int val) 3633 { 3634 lopt->name = (char *) name; 3635 lopt->val = val; 3636 if (o->type == FIO_OPT_STR_SET) 3637 lopt->has_arg = optional_argument; 3638 else 3639 lopt->has_arg = required_argument; 3640 } 3641 3642 static void options_to_lopts(struct fio_option *opts, 3643 struct option *long_options, 3644 int i, int option_type) 3645 { 3646 struct fio_option *o = &opts[0]; 3647 while (o->name) { 3648 add_to_lopt(&long_options[i], o, o->name, option_type); 3649 if (o->alias) { 3650 i++; 3651 add_to_lopt(&long_options[i], o, o->alias, option_type); 3652 } 3653 3654 i++; 3655 o++; 3656 assert(i < FIO_NR_OPTIONS); 3657 } 3658 } 3659 3660 void fio_options_set_ioengine_opts(struct option *long_options, 3661 struct thread_data *td) 3662 { 3663 unsigned int i; 3664 3665 i = 0; 3666 while (long_options[i].name) { 3667 if (long_options[i].val == FIO_GETOPT_IOENGINE) { 3668 memset(&long_options[i], 0, sizeof(*long_options)); 3669 break; 3670 } 3671 i++; 3672 } 3673 3674 /* 3675 * Just clear out the prior ioengine options. 3676 */ 3677 if (!td || !td->eo) 3678 return; 3679 3680 options_to_lopts(td->io_ops->options, long_options, i, 3681 FIO_GETOPT_IOENGINE); 3682 } 3683 3684 void fio_options_dup_and_init(struct option *long_options) 3685 { 3686 unsigned int i; 3687 3688 options_init(fio_options); 3689 3690 i = 0; 3691 while (long_options[i].name) 3692 i++; 3693 3694 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB); 3695 } 3696 3697 struct fio_keyword { 3698 const char *word; 3699 const char *desc; 3700 char *replace; 3701 }; 3702 3703 static struct fio_keyword fio_keywords[] = { 3704 { 3705 .word = "$pagesize", 3706 .desc = "Page size in the system", 3707 }, 3708 { 3709 .word = "$mb_memory", 3710 .desc = "Megabytes of memory online", 3711 }, 3712 { 3713 .word = "$ncpus", 3714 .desc = "Number of CPUs online in the system", 3715 }, 3716 { 3717 .word = NULL, 3718 }, 3719 }; 3720 3721 void fio_keywords_init(void) 3722 { 3723 unsigned long long mb_memory; 3724 char buf[128]; 3725 long l; 3726 3727 sprintf(buf, "%lu", (unsigned long) page_size); 3728 fio_keywords[0].replace = strdup(buf); 3729 3730 mb_memory = os_phys_mem() / (1024 * 1024); 3731 sprintf(buf, "%llu", mb_memory); 3732 fio_keywords[1].replace = strdup(buf); 3733 3734 l = cpus_online(); 3735 sprintf(buf, "%lu", l); 3736 fio_keywords[2].replace = strdup(buf); 3737 } 3738 3739 #define BC_APP "bc" 3740 3741 static char *bc_calc(char *str) 3742 { 3743 char buf[128], *tmp; 3744 FILE *f; 3745 int ret; 3746 3747 /* 3748 * No math, just return string 3749 */ 3750 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') && 3751 !strchr(str, '/')) || strchr(str, '\'')) 3752 return str; 3753 3754 /* 3755 * Split option from value, we only need to calculate the value 3756 */ 3757 tmp = strchr(str, '='); 3758 if (!tmp) 3759 return str; 3760 3761 tmp++; 3762 3763 /* 3764 * Prevent buffer overflows; such a case isn't reasonable anyway 3765 */ 3766 if (strlen(str) >= 128 || strlen(tmp) > 100) 3767 return str; 3768 3769 sprintf(buf, "which %s > /dev/null", BC_APP); 3770 if (system(buf)) { 3771 log_err("fio: bc is needed for performing math\n"); 3772 return NULL; 3773 } 3774 3775 sprintf(buf, "echo '%s' | %s", tmp, BC_APP); 3776 f = popen(buf, "r"); 3777 if (!f) 3778 return NULL; 3779 3780 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f); 3781 if (ret <= 0) { 3782 pclose(f); 3783 return NULL; 3784 } 3785 3786 pclose(f); 3787 buf[(tmp - str) + ret - 1] = '\0'; 3788 memcpy(buf, str, tmp - str); 3789 free(str); 3790 return strdup(buf); 3791 } 3792 3793 /* 3794 * Return a copy of the input string with substrings of the form ${VARNAME} 3795 * substituted with the value of the environment variable VARNAME. The 3796 * substitution always occurs, even if VARNAME is empty or the corresponding 3797 * environment variable undefined. 3798 */ 3799 static char *option_dup_subs(const char *opt) 3800 { 3801 char out[OPT_LEN_MAX+1]; 3802 char in[OPT_LEN_MAX+1]; 3803 char *outptr = out; 3804 char *inptr = in; 3805 char *ch1, *ch2, *env; 3806 ssize_t nchr = OPT_LEN_MAX; 3807 size_t envlen; 3808 3809 if (strlen(opt) + 1 > OPT_LEN_MAX) { 3810 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX); 3811 return NULL; 3812 } 3813 3814 in[OPT_LEN_MAX] = '\0'; 3815 strncpy(in, opt, OPT_LEN_MAX); 3816 3817 while (*inptr && nchr > 0) { 3818 if (inptr[0] == '$' && inptr[1] == '{') { 3819 ch2 = strchr(inptr, '}'); 3820 if (ch2 && inptr+1 < ch2) { 3821 ch1 = inptr+2; 3822 inptr = ch2+1; 3823 *ch2 = '\0'; 3824 3825 env = getenv(ch1); 3826 if (env) { 3827 envlen = strlen(env); 3828 if (envlen <= nchr) { 3829 memcpy(outptr, env, envlen); 3830 outptr += envlen; 3831 nchr -= envlen; 3832 } 3833 } 3834 3835 continue; 3836 } 3837 } 3838 3839 *outptr++ = *inptr++; 3840 --nchr; 3841 } 3842 3843 *outptr = '\0'; 3844 return strdup(out); 3845 } 3846 3847 /* 3848 * Look for reserved variable names and replace them with real values 3849 */ 3850 static char *fio_keyword_replace(char *opt) 3851 { 3852 char *s; 3853 int i; 3854 int docalc = 0; 3855 3856 for (i = 0; fio_keywords[i].word != NULL; i++) { 3857 struct fio_keyword *kw = &fio_keywords[i]; 3858 3859 while ((s = strstr(opt, kw->word)) != NULL) { 3860 char *new = malloc(strlen(opt) + 1); 3861 char *o_org = opt; 3862 int olen = s - opt; 3863 int len; 3864 3865 /* 3866 * Copy part of the string before the keyword and 3867 * sprintf() the replacement after it. 3868 */ 3869 memcpy(new, opt, olen); 3870 len = sprintf(new + olen, "%s", kw->replace); 3871 3872 /* 3873 * If there's more in the original string, copy that 3874 * in too 3875 */ 3876 opt += strlen(kw->word) + olen; 3877 if (strlen(opt)) 3878 memcpy(new + olen + len, opt, opt - o_org - 1); 3879 3880 /* 3881 * replace opt and free the old opt 3882 */ 3883 opt = new; 3884 free(o_org); 3885 3886 docalc = 1; 3887 } 3888 } 3889 3890 /* 3891 * Check for potential math and invoke bc, if possible 3892 */ 3893 if (docalc) 3894 opt = bc_calc(opt); 3895 3896 return opt; 3897 } 3898 3899 static char **dup_and_sub_options(char **opts, int num_opts) 3900 { 3901 int i; 3902 char **opts_copy = malloc(num_opts * sizeof(*opts)); 3903 for (i = 0; i < num_opts; i++) { 3904 opts_copy[i] = option_dup_subs(opts[i]); 3905 if (!opts_copy[i]) 3906 continue; 3907 opts_copy[i] = fio_keyword_replace(opts_copy[i]); 3908 } 3909 return opts_copy; 3910 } 3911 3912 static void show_closest_option(const char *opt) 3913 { 3914 int best_option, best_distance; 3915 int i, distance; 3916 char *name; 3917 3918 if (!strlen(opt)) 3919 return; 3920 3921 name = strdup(opt); 3922 i = 0; 3923 while (name[i] != '\0' && name[i] != '=') 3924 i++; 3925 name[i] = '\0'; 3926 3927 best_option = -1; 3928 best_distance = INT_MAX; 3929 i = 0; 3930 while (fio_options[i].name) { 3931 distance = string_distance(name, fio_options[i].name); 3932 if (distance < best_distance) { 3933 best_distance = distance; 3934 best_option = i; 3935 } 3936 i++; 3937 } 3938 3939 if (best_option != -1) 3940 log_err("Did you mean %s?\n", fio_options[best_option].name); 3941 3942 free(name); 3943 } 3944 3945 int fio_options_parse(struct thread_data *td, char **opts, int num_opts, 3946 int dump_cmdline) 3947 { 3948 int i, ret, unknown; 3949 char **opts_copy; 3950 3951 sort_options(opts, fio_options, num_opts); 3952 opts_copy = dup_and_sub_options(opts, num_opts); 3953 3954 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) { 3955 struct fio_option *o; 3956 int newret = parse_option(opts_copy[i], opts[i], fio_options, 3957 &o, td, dump_cmdline); 3958 3959 if (!newret && o) 3960 fio_option_mark_set(&td->o, o); 3961 3962 if (opts_copy[i]) { 3963 if (newret && !o) { 3964 unknown++; 3965 continue; 3966 } 3967 free(opts_copy[i]); 3968 opts_copy[i] = NULL; 3969 } 3970 3971 ret |= newret; 3972 } 3973 3974 if (unknown) { 3975 ret |= ioengine_load(td); 3976 if (td->eo) { 3977 sort_options(opts_copy, td->io_ops->options, num_opts); 3978 opts = opts_copy; 3979 } 3980 for (i = 0; i < num_opts; i++) { 3981 struct fio_option *o = NULL; 3982 int newret = 1; 3983 3984 if (!opts_copy[i]) 3985 continue; 3986 3987 if (td->eo) 3988 newret = parse_option(opts_copy[i], opts[i], 3989 td->io_ops->options, &o, 3990 td->eo, dump_cmdline); 3991 3992 ret |= newret; 3993 if (!o) { 3994 log_err("Bad option <%s>\n", opts[i]); 3995 show_closest_option(opts[i]); 3996 } 3997 free(opts_copy[i]); 3998 opts_copy[i] = NULL; 3999 } 4000 } 4001 4002 free(opts_copy); 4003 return ret; 4004 } 4005 4006 int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val) 4007 { 4008 int ret; 4009 4010 ret = parse_cmd_option(opt, val, fio_options, td); 4011 if (!ret) { 4012 struct fio_option *o; 4013 4014 o = find_option(fio_options, opt); 4015 if (o) 4016 fio_option_mark_set(&td->o, o); 4017 } 4018 4019 return ret; 4020 } 4021 4022 int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt, 4023 char *val) 4024 { 4025 return parse_cmd_option(opt, val, td->io_ops->options, td->eo); 4026 } 4027 4028 void fio_fill_default_options(struct thread_data *td) 4029 { 4030 td->o.magic = OPT_MAGIC; 4031 fill_default_options(td, fio_options); 4032 } 4033 4034 int fio_show_option_help(const char *opt) 4035 { 4036 return show_cmd_help(fio_options, opt); 4037 } 4038 4039 void options_mem_dupe(void *data, struct fio_option *options) 4040 { 4041 struct fio_option *o; 4042 char **ptr; 4043 4044 for (o = &options[0]; o->name; o++) { 4045 if (o->type != FIO_OPT_STR_STORE) 4046 continue; 4047 4048 ptr = td_var(data, o, o->off1); 4049 if (*ptr) 4050 *ptr = strdup(*ptr); 4051 } 4052 } 4053 4054 /* 4055 * dupe FIO_OPT_STR_STORE options 4056 */ 4057 void fio_options_mem_dupe(struct thread_data *td) 4058 { 4059 options_mem_dupe(&td->o, fio_options); 4060 4061 if (td->eo && td->io_ops) { 4062 void *oldeo = td->eo; 4063 4064 td->eo = malloc(td->io_ops->option_struct_size); 4065 memcpy(td->eo, oldeo, td->io_ops->option_struct_size); 4066 options_mem_dupe(td->eo, td->io_ops->options); 4067 } 4068 } 4069 4070 unsigned int fio_get_kb_base(void *data) 4071 { 4072 struct thread_options *o = data; 4073 unsigned int kb_base = 0; 4074 4075 /* 4076 * This is a hack... For private options, *data is not holding 4077 * a pointer to the thread_options, but to private data. This means 4078 * we can't safely dereference it, but magic is first so mem wise 4079 * it is valid. But this also means that if the job first sets 4080 * kb_base and expects that to be honored by private options, 4081 * it will be disappointed. We will return the global default 4082 * for this. 4083 */ 4084 if (o && o->magic == OPT_MAGIC) 4085 kb_base = o->kb_base; 4086 if (!kb_base) 4087 kb_base = 1024; 4088 4089 return kb_base; 4090 } 4091 4092 int add_option(struct fio_option *o) 4093 { 4094 struct fio_option *__o; 4095 int opt_index = 0; 4096 4097 __o = fio_options; 4098 while (__o->name) { 4099 opt_index++; 4100 __o++; 4101 } 4102 4103 if (opt_index + 1 == FIO_MAX_OPTS) { 4104 log_err("fio: FIO_MAX_OPTS is too small\n"); 4105 return 1; 4106 } 4107 4108 memcpy(&fio_options[opt_index], o, sizeof(*o)); 4109 fio_options[opt_index + 1].name = NULL; 4110 return 0; 4111 } 4112 4113 void invalidate_profile_options(const char *prof_name) 4114 { 4115 struct fio_option *o; 4116 4117 o = fio_options; 4118 while (o->name) { 4119 if (o->prof_name && !strcmp(o->prof_name, prof_name)) { 4120 o->type = FIO_OPT_INVALID; 4121 o->prof_name = NULL; 4122 } 4123 o++; 4124 } 4125 } 4126 4127 void add_opt_posval(const char *optname, const char *ival, const char *help) 4128 { 4129 struct fio_option *o; 4130 unsigned int i; 4131 4132 o = find_option(fio_options, optname); 4133 if (!o) 4134 return; 4135 4136 for (i = 0; i < PARSE_MAX_VP; i++) { 4137 if (o->posval[i].ival) 4138 continue; 4139 4140 o->posval[i].ival = ival; 4141 o->posval[i].help = help; 4142 break; 4143 } 4144 } 4145 4146 void del_opt_posval(const char *optname, const char *ival) 4147 { 4148 struct fio_option *o; 4149 unsigned int i; 4150 4151 o = find_option(fio_options, optname); 4152 if (!o) 4153 return; 4154 4155 for (i = 0; i < PARSE_MAX_VP; i++) { 4156 if (!o->posval[i].ival) 4157 continue; 4158 if (strcmp(o->posval[i].ival, ival)) 4159 continue; 4160 4161 o->posval[i].ival = NULL; 4162 o->posval[i].help = NULL; 4163 } 4164 } 4165 4166 void fio_options_free(struct thread_data *td) 4167 { 4168 options_free(fio_options, td); 4169 if (td->eo && td->io_ops && td->io_ops->options) { 4170 options_free(td->io_ops->options, td->eo); 4171 free(td->eo); 4172 td->eo = NULL; 4173 } 4174 } 4175 4176 struct fio_option *fio_option_find(const char *name) 4177 { 4178 return find_option(fio_options, name); 4179 } 4180 4181 static struct fio_option *find_next_opt(struct thread_options *o, 4182 struct fio_option *from, 4183 unsigned int off1) 4184 { 4185 struct fio_option *opt; 4186 4187 if (!from) 4188 from = &fio_options[0]; 4189 else 4190 from++; 4191 4192 opt = NULL; 4193 do { 4194 if (off1 == from->off1) { 4195 opt = from; 4196 break; 4197 } 4198 from++; 4199 } while (from->name); 4200 4201 return opt; 4202 } 4203 4204 static int opt_is_set(struct thread_options *o, struct fio_option *opt) 4205 { 4206 unsigned int opt_off, index, offset; 4207 4208 opt_off = opt - &fio_options[0]; 4209 index = opt_off / (8 * sizeof(uint64_t)); 4210 offset = opt_off & ((8 * sizeof(uint64_t)) - 1); 4211 return (o->set_options[index] & (1UL << offset)) != 0; 4212 } 4213 4214 int __fio_option_is_set(struct thread_options *o, unsigned int off1) 4215 { 4216 struct fio_option *opt, *next; 4217 4218 next = NULL; 4219 while ((opt = find_next_opt(o, next, off1)) != NULL) { 4220 if (opt_is_set(o, opt)) 4221 return 1; 4222 4223 next = opt; 4224 } 4225 4226 return 0; 4227 } 4228 4229 void fio_option_mark_set(struct thread_options *o, struct fio_option *opt) 4230 { 4231 unsigned int opt_off, index, offset; 4232 4233 opt_off = opt - &fio_options[0]; 4234 index = opt_off / (8 * sizeof(uint64_t)); 4235 offset = opt_off & ((8 * sizeof(uint64_t)) - 1); 4236 o->set_options[index] |= 1UL << offset; 4237 } 4238
