| 1 | /* |
| 2 | * This file contains job initialization and setup functions. |
| 3 | */ |
| 4 | #include <stdio.h> |
| 5 | #include <stdlib.h> |
| 6 | #include <unistd.h> |
| 7 | #include <fcntl.h> |
| 8 | #include <ctype.h> |
| 9 | #include <string.h> |
| 10 | #include <errno.h> |
| 11 | #include <sys/ipc.h> |
| 12 | #include <sys/types.h> |
| 13 | #include <sys/stat.h> |
| 14 | |
| 15 | #include "fio.h" |
| 16 | #ifndef FIO_NO_HAVE_SHM_H |
| 17 | #include <sys/shm.h> |
| 18 | #endif |
| 19 | |
| 20 | #include "parse.h" |
| 21 | #include "smalloc.h" |
| 22 | #include "filehash.h" |
| 23 | #include "verify.h" |
| 24 | #include "profile.h" |
| 25 | #include "server.h" |
| 26 | #include "idletime.h" |
| 27 | #include "filelock.h" |
| 28 | #include "steadystate.h" |
| 29 | |
| 30 | #include "oslib/getopt.h" |
| 31 | #include "oslib/strcasestr.h" |
| 32 | |
| 33 | #include "crc/test.h" |
| 34 | #include "lib/pow2.h" |
| 35 | |
| 36 | const char fio_version_string[] = FIO_VERSION; |
| 37 | |
| 38 | #define FIO_RANDSEED (0xb1899bedUL) |
| 39 | |
| 40 | static char **ini_file; |
| 41 | static int max_jobs = FIO_MAX_JOBS; |
| 42 | static int dump_cmdline; |
| 43 | static int parse_only; |
| 44 | |
| 45 | static struct thread_data def_thread; |
| 46 | struct thread_data *threads = NULL; |
| 47 | static char **job_sections; |
| 48 | static int nr_job_sections; |
| 49 | |
| 50 | int exitall_on_terminate = 0; |
| 51 | int output_format = FIO_OUTPUT_NORMAL; |
| 52 | int eta_print = FIO_ETA_AUTO; |
| 53 | int eta_new_line = 0; |
| 54 | FILE *f_out = NULL; |
| 55 | FILE *f_err = NULL; |
| 56 | char *exec_profile = NULL; |
| 57 | int warnings_fatal = 0; |
| 58 | int terse_version = 3; |
| 59 | int is_backend = 0; |
| 60 | int nr_clients = 0; |
| 61 | int log_syslog = 0; |
| 62 | |
| 63 | int write_bw_log = 0; |
| 64 | int read_only = 0; |
| 65 | int status_interval = 0; |
| 66 | |
| 67 | char *trigger_file = NULL; |
| 68 | long long trigger_timeout = 0; |
| 69 | char *trigger_cmd = NULL; |
| 70 | char *trigger_remote_cmd = NULL; |
| 71 | |
| 72 | char *aux_path = NULL; |
| 73 | |
| 74 | static int prev_group_jobs; |
| 75 | |
| 76 | unsigned long fio_debug = 0; |
| 77 | unsigned int fio_debug_jobno = -1; |
| 78 | unsigned int *fio_debug_jobp = NULL; |
| 79 | |
| 80 | static char cmd_optstr[256]; |
| 81 | static int did_arg; |
| 82 | |
| 83 | #define FIO_CLIENT_FLAG (1 << 16) |
| 84 | |
| 85 | /* |
| 86 | * Command line options. These will contain the above, plus a few |
| 87 | * extra that only pertain to fio itself and not jobs. |
| 88 | */ |
| 89 | static struct option l_opts[FIO_NR_OPTIONS] = { |
| 90 | { |
| 91 | .name = (char *) "output", |
| 92 | .has_arg = required_argument, |
| 93 | .val = 'o' | FIO_CLIENT_FLAG, |
| 94 | }, |
| 95 | { |
| 96 | .name = (char *) "latency-log", |
| 97 | .has_arg = required_argument, |
| 98 | .val = 'l' | FIO_CLIENT_FLAG, |
| 99 | }, |
| 100 | { |
| 101 | .name = (char *) "bandwidth-log", |
| 102 | .has_arg = no_argument, |
| 103 | .val = 'b' | FIO_CLIENT_FLAG, |
| 104 | }, |
| 105 | { |
| 106 | .name = (char *) "minimal", |
| 107 | .has_arg = no_argument, |
| 108 | .val = 'm' | FIO_CLIENT_FLAG, |
| 109 | }, |
| 110 | { |
| 111 | .name = (char *) "output-format", |
| 112 | .has_arg = required_argument, |
| 113 | .val = 'F' | FIO_CLIENT_FLAG, |
| 114 | }, |
| 115 | { |
| 116 | .name = (char *) "append-terse", |
| 117 | .has_arg = optional_argument, |
| 118 | .val = 'f', |
| 119 | }, |
| 120 | { |
| 121 | .name = (char *) "version", |
| 122 | .has_arg = no_argument, |
| 123 | .val = 'v' | FIO_CLIENT_FLAG, |
| 124 | }, |
| 125 | { |
| 126 | .name = (char *) "help", |
| 127 | .has_arg = no_argument, |
| 128 | .val = 'h' | FIO_CLIENT_FLAG, |
| 129 | }, |
| 130 | { |
| 131 | .name = (char *) "cmdhelp", |
| 132 | .has_arg = optional_argument, |
| 133 | .val = 'c' | FIO_CLIENT_FLAG, |
| 134 | }, |
| 135 | { |
| 136 | .name = (char *) "enghelp", |
| 137 | .has_arg = optional_argument, |
| 138 | .val = 'i' | FIO_CLIENT_FLAG, |
| 139 | }, |
| 140 | { |
| 141 | .name = (char *) "showcmd", |
| 142 | .has_arg = no_argument, |
| 143 | .val = 's' | FIO_CLIENT_FLAG, |
| 144 | }, |
| 145 | { |
| 146 | .name = (char *) "readonly", |
| 147 | .has_arg = no_argument, |
| 148 | .val = 'r' | FIO_CLIENT_FLAG, |
| 149 | }, |
| 150 | { |
| 151 | .name = (char *) "eta", |
| 152 | .has_arg = required_argument, |
| 153 | .val = 'e' | FIO_CLIENT_FLAG, |
| 154 | }, |
| 155 | { |
| 156 | .name = (char *) "eta-newline", |
| 157 | .has_arg = required_argument, |
| 158 | .val = 'E' | FIO_CLIENT_FLAG, |
| 159 | }, |
| 160 | { |
| 161 | .name = (char *) "debug", |
| 162 | .has_arg = required_argument, |
| 163 | .val = 'd' | FIO_CLIENT_FLAG, |
| 164 | }, |
| 165 | { |
| 166 | .name = (char *) "parse-only", |
| 167 | .has_arg = no_argument, |
| 168 | .val = 'P' | FIO_CLIENT_FLAG, |
| 169 | }, |
| 170 | { |
| 171 | .name = (char *) "section", |
| 172 | .has_arg = required_argument, |
| 173 | .val = 'x' | FIO_CLIENT_FLAG, |
| 174 | }, |
| 175 | #ifdef CONFIG_ZLIB |
| 176 | { |
| 177 | .name = (char *) "inflate-log", |
| 178 | .has_arg = required_argument, |
| 179 | .val = 'X' | FIO_CLIENT_FLAG, |
| 180 | }, |
| 181 | #endif |
| 182 | { |
| 183 | .name = (char *) "alloc-size", |
| 184 | .has_arg = required_argument, |
| 185 | .val = 'a' | FIO_CLIENT_FLAG, |
| 186 | }, |
| 187 | { |
| 188 | .name = (char *) "profile", |
| 189 | .has_arg = required_argument, |
| 190 | .val = 'p' | FIO_CLIENT_FLAG, |
| 191 | }, |
| 192 | { |
| 193 | .name = (char *) "warnings-fatal", |
| 194 | .has_arg = no_argument, |
| 195 | .val = 'w' | FIO_CLIENT_FLAG, |
| 196 | }, |
| 197 | { |
| 198 | .name = (char *) "max-jobs", |
| 199 | .has_arg = required_argument, |
| 200 | .val = 'j' | FIO_CLIENT_FLAG, |
| 201 | }, |
| 202 | { |
| 203 | .name = (char *) "terse-version", |
| 204 | .has_arg = required_argument, |
| 205 | .val = 'V' | FIO_CLIENT_FLAG, |
| 206 | }, |
| 207 | { |
| 208 | .name = (char *) "server", |
| 209 | .has_arg = optional_argument, |
| 210 | .val = 'S', |
| 211 | }, |
| 212 | { .name = (char *) "daemonize", |
| 213 | .has_arg = required_argument, |
| 214 | .val = 'D', |
| 215 | }, |
| 216 | { |
| 217 | .name = (char *) "client", |
| 218 | .has_arg = required_argument, |
| 219 | .val = 'C', |
| 220 | }, |
| 221 | { |
| 222 | .name = (char *) "remote-config", |
| 223 | .has_arg = required_argument, |
| 224 | .val = 'R', |
| 225 | }, |
| 226 | { |
| 227 | .name = (char *) "cpuclock-test", |
| 228 | .has_arg = no_argument, |
| 229 | .val = 'T', |
| 230 | }, |
| 231 | { |
| 232 | .name = (char *) "crctest", |
| 233 | .has_arg = optional_argument, |
| 234 | .val = 'G', |
| 235 | }, |
| 236 | { |
| 237 | .name = (char *) "idle-prof", |
| 238 | .has_arg = required_argument, |
| 239 | .val = 'I', |
| 240 | }, |
| 241 | { |
| 242 | .name = (char *) "status-interval", |
| 243 | .has_arg = required_argument, |
| 244 | .val = 'L', |
| 245 | }, |
| 246 | { |
| 247 | .name = (char *) "trigger-file", |
| 248 | .has_arg = required_argument, |
| 249 | .val = 'W', |
| 250 | }, |
| 251 | { |
| 252 | .name = (char *) "trigger-timeout", |
| 253 | .has_arg = required_argument, |
| 254 | .val = 'B', |
| 255 | }, |
| 256 | { |
| 257 | .name = (char *) "trigger", |
| 258 | .has_arg = required_argument, |
| 259 | .val = 'H', |
| 260 | }, |
| 261 | { |
| 262 | .name = (char *) "trigger-remote", |
| 263 | .has_arg = required_argument, |
| 264 | .val = 'J', |
| 265 | }, |
| 266 | { |
| 267 | .name = (char *) "aux-path", |
| 268 | .has_arg = required_argument, |
| 269 | .val = 'K', |
| 270 | }, |
| 271 | { |
| 272 | .name = NULL, |
| 273 | }, |
| 274 | }; |
| 275 | |
| 276 | void free_threads_shm(void) |
| 277 | { |
| 278 | if (threads) { |
| 279 | void *tp = threads; |
| 280 | #ifndef CONFIG_NO_SHM |
| 281 | struct shmid_ds sbuf; |
| 282 | |
| 283 | threads = NULL; |
| 284 | shmdt(tp); |
| 285 | shmctl(shm_id, IPC_RMID, &sbuf); |
| 286 | shm_id = -1; |
| 287 | #else |
| 288 | threads = NULL; |
| 289 | free(tp); |
| 290 | #endif |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | static void free_shm(void) |
| 295 | { |
| 296 | if (threads) { |
| 297 | flow_exit(); |
| 298 | fio_debug_jobp = NULL; |
| 299 | free_threads_shm(); |
| 300 | } |
| 301 | |
| 302 | free(trigger_file); |
| 303 | free(trigger_cmd); |
| 304 | free(trigger_remote_cmd); |
| 305 | trigger_file = trigger_cmd = trigger_remote_cmd = NULL; |
| 306 | |
| 307 | options_free(fio_options, &def_thread.o); |
| 308 | fio_filelock_exit(); |
| 309 | file_hash_exit(); |
| 310 | scleanup(); |
| 311 | } |
| 312 | |
| 313 | /* |
| 314 | * The thread area is shared between the main process and the job |
| 315 | * threads/processes. So setup a shared memory segment that will hold |
| 316 | * all the job info. We use the end of the region for keeping track of |
| 317 | * open files across jobs, for file sharing. |
| 318 | */ |
| 319 | static int setup_thread_area(void) |
| 320 | { |
| 321 | if (threads) |
| 322 | return 0; |
| 323 | |
| 324 | /* |
| 325 | * 1024 is too much on some machines, scale max_jobs if |
| 326 | * we get a failure that looks like too large a shm segment |
| 327 | */ |
| 328 | do { |
| 329 | size_t size = max_jobs * sizeof(struct thread_data); |
| 330 | |
| 331 | size += sizeof(unsigned int); |
| 332 | |
| 333 | #ifndef CONFIG_NO_SHM |
| 334 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
| 335 | if (shm_id != -1) |
| 336 | break; |
| 337 | if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) { |
| 338 | perror("shmget"); |
| 339 | break; |
| 340 | } |
| 341 | #else |
| 342 | threads = malloc(size); |
| 343 | if (threads) |
| 344 | break; |
| 345 | #endif |
| 346 | |
| 347 | max_jobs >>= 1; |
| 348 | } while (max_jobs); |
| 349 | |
| 350 | #ifndef CONFIG_NO_SHM |
| 351 | if (shm_id == -1) |
| 352 | return 1; |
| 353 | |
| 354 | threads = shmat(shm_id, NULL, 0); |
| 355 | if (threads == (void *) -1) { |
| 356 | perror("shmat"); |
| 357 | return 1; |
| 358 | } |
| 359 | if (shm_attach_to_open_removed()) |
| 360 | shmctl(shm_id, IPC_RMID, NULL); |
| 361 | #endif |
| 362 | |
| 363 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
| 364 | fio_debug_jobp = (unsigned int *)(threads + max_jobs); |
| 365 | *fio_debug_jobp = -1; |
| 366 | |
| 367 | flow_init(); |
| 368 | |
| 369 | return 0; |
| 370 | } |
| 371 | |
| 372 | static void dump_print_option(struct print_option *p) |
| 373 | { |
| 374 | const char *delim; |
| 375 | |
| 376 | if (!strcmp("description", p->name)) |
| 377 | delim = "\""; |
| 378 | else |
| 379 | delim = ""; |
| 380 | |
| 381 | log_info("--%s%s", p->name, p->value ? "" : " "); |
| 382 | if (p->value) |
| 383 | log_info("=%s%s%s ", delim, p->value, delim); |
| 384 | } |
| 385 | |
| 386 | static void dump_opt_list(struct thread_data *td) |
| 387 | { |
| 388 | struct flist_head *entry; |
| 389 | struct print_option *p; |
| 390 | |
| 391 | if (flist_empty(&td->opt_list)) |
| 392 | return; |
| 393 | |
| 394 | flist_for_each(entry, &td->opt_list) { |
| 395 | p = flist_entry(entry, struct print_option, list); |
| 396 | dump_print_option(p); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | static void fio_dump_options_free(struct thread_data *td) |
| 401 | { |
| 402 | while (!flist_empty(&td->opt_list)) { |
| 403 | struct print_option *p; |
| 404 | |
| 405 | p = flist_first_entry(&td->opt_list, struct print_option, list); |
| 406 | flist_del_init(&p->list); |
| 407 | free(p->name); |
| 408 | free(p->value); |
| 409 | free(p); |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | static void copy_opt_list(struct thread_data *dst, struct thread_data *src) |
| 414 | { |
| 415 | struct flist_head *entry; |
| 416 | |
| 417 | if (flist_empty(&src->opt_list)) |
| 418 | return; |
| 419 | |
| 420 | flist_for_each(entry, &src->opt_list) { |
| 421 | struct print_option *srcp, *dstp; |
| 422 | |
| 423 | srcp = flist_entry(entry, struct print_option, list); |
| 424 | dstp = malloc(sizeof(*dstp)); |
| 425 | dstp->name = strdup(srcp->name); |
| 426 | if (srcp->value) |
| 427 | dstp->value = strdup(srcp->value); |
| 428 | else |
| 429 | dstp->value = NULL; |
| 430 | flist_add_tail(&dstp->list, &dst->opt_list); |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | /* |
| 435 | * Return a free job structure. |
| 436 | */ |
| 437 | static struct thread_data *get_new_job(bool global, struct thread_data *parent, |
| 438 | bool preserve_eo, const char *jobname) |
| 439 | { |
| 440 | struct thread_data *td; |
| 441 | |
| 442 | if (global) |
| 443 | return &def_thread; |
| 444 | if (setup_thread_area()) { |
| 445 | log_err("error: failed to setup shm segment\n"); |
| 446 | return NULL; |
| 447 | } |
| 448 | if (thread_number >= max_jobs) { |
| 449 | log_err("error: maximum number of jobs (%d) reached.\n", |
| 450 | max_jobs); |
| 451 | return NULL; |
| 452 | } |
| 453 | |
| 454 | td = &threads[thread_number++]; |
| 455 | *td = *parent; |
| 456 | |
| 457 | INIT_FLIST_HEAD(&td->opt_list); |
| 458 | if (parent != &def_thread) |
| 459 | copy_opt_list(td, parent); |
| 460 | |
| 461 | td->io_ops = NULL; |
| 462 | td->io_ops_init = 0; |
| 463 | if (!preserve_eo) |
| 464 | td->eo = NULL; |
| 465 | |
| 466 | td->o.uid = td->o.gid = -1U; |
| 467 | |
| 468 | dup_files(td, parent); |
| 469 | fio_options_mem_dupe(td); |
| 470 | |
| 471 | profile_add_hooks(td); |
| 472 | |
| 473 | td->thread_number = thread_number; |
| 474 | td->subjob_number = 0; |
| 475 | |
| 476 | if (jobname) |
| 477 | td->o.name = strdup(jobname); |
| 478 | |
| 479 | if (!parent->o.group_reporting || parent == &def_thread) |
| 480 | stat_number++; |
| 481 | |
| 482 | return td; |
| 483 | } |
| 484 | |
| 485 | static void put_job(struct thread_data *td) |
| 486 | { |
| 487 | if (td == &def_thread) |
| 488 | return; |
| 489 | |
| 490 | profile_td_exit(td); |
| 491 | flow_exit_job(td); |
| 492 | |
| 493 | if (td->error) |
| 494 | log_info("fio: %s\n", td->verror); |
| 495 | |
| 496 | fio_options_free(td); |
| 497 | fio_dump_options_free(td); |
| 498 | if (td->io_ops) |
| 499 | free_ioengine(td); |
| 500 | |
| 501 | if (td->o.name) |
| 502 | free(td->o.name); |
| 503 | |
| 504 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
| 505 | thread_number--; |
| 506 | } |
| 507 | |
| 508 | static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
| 509 | { |
| 510 | unsigned int bs = td->o.min_bs[ddir]; |
| 511 | |
| 512 | assert(ddir_rw(ddir)); |
| 513 | |
| 514 | if (td->o.rate[ddir]) |
| 515 | td->rate_bps[ddir] = td->o.rate[ddir]; |
| 516 | else |
| 517 | td->rate_bps[ddir] = (uint64_t) td->o.rate_iops[ddir] * bs; |
| 518 | |
| 519 | if (!td->rate_bps[ddir]) { |
| 520 | log_err("rate lower than supported\n"); |
| 521 | return -1; |
| 522 | } |
| 523 | |
| 524 | td->rate_next_io_time[ddir] = 0; |
| 525 | td->rate_io_issue_bytes[ddir] = 0; |
| 526 | td->last_usec[ddir] = 0; |
| 527 | return 0; |
| 528 | } |
| 529 | |
| 530 | static int setup_rate(struct thread_data *td) |
| 531 | { |
| 532 | int ret = 0; |
| 533 | |
| 534 | if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) |
| 535 | ret = __setup_rate(td, DDIR_READ); |
| 536 | if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) |
| 537 | ret |= __setup_rate(td, DDIR_WRITE); |
| 538 | if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM]) |
| 539 | ret |= __setup_rate(td, DDIR_TRIM); |
| 540 | |
| 541 | return ret; |
| 542 | } |
| 543 | |
| 544 | static int fixed_block_size(struct thread_options *o) |
| 545 | { |
| 546 | return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && |
| 547 | o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && |
| 548 | o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] && |
| 549 | o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] && |
| 550 | o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM]; |
| 551 | } |
| 552 | |
| 553 | |
| 554 | static unsigned long long get_rand_start_delay(struct thread_data *td) |
| 555 | { |
| 556 | unsigned long long delayrange; |
| 557 | uint64_t frand_max; |
| 558 | unsigned long r; |
| 559 | |
| 560 | delayrange = td->o.start_delay_high - td->o.start_delay; |
| 561 | |
| 562 | frand_max = rand_max(&td->delay_state); |
| 563 | r = __rand(&td->delay_state); |
| 564 | delayrange = (unsigned long long) ((double) delayrange * (r / (frand_max + 1.0))); |
| 565 | |
| 566 | delayrange += td->o.start_delay; |
| 567 | return delayrange; |
| 568 | } |
| 569 | |
| 570 | /* |
| 571 | * <3 Johannes |
| 572 | */ |
| 573 | static unsigned int gcd(unsigned int m, unsigned int n) |
| 574 | { |
| 575 | if (!n) |
| 576 | return m; |
| 577 | |
| 578 | return gcd(n, m % n); |
| 579 | } |
| 580 | |
| 581 | /* |
| 582 | * Lazy way of fixing up options that depend on each other. We could also |
| 583 | * define option callback handlers, but this is easier. |
| 584 | */ |
| 585 | static int fixup_options(struct thread_data *td) |
| 586 | { |
| 587 | struct thread_options *o = &td->o; |
| 588 | int ret = 0; |
| 589 | |
| 590 | #ifndef CONFIG_PSHARED |
| 591 | if (!o->use_thread) { |
| 592 | log_info("fio: this platform does not support process shared" |
| 593 | " mutexes, forcing use of threads. Use the 'thread'" |
| 594 | " option to get rid of this warning.\n"); |
| 595 | o->use_thread = 1; |
| 596 | ret = warnings_fatal; |
| 597 | } |
| 598 | #endif |
| 599 | |
| 600 | if (o->write_iolog_file && o->read_iolog_file) { |
| 601 | log_err("fio: read iolog overrides write_iolog\n"); |
| 602 | free(o->write_iolog_file); |
| 603 | o->write_iolog_file = NULL; |
| 604 | ret = warnings_fatal; |
| 605 | } |
| 606 | |
| 607 | /* |
| 608 | * only really works with 1 file |
| 609 | */ |
| 610 | if (o->zone_size && o->open_files > 1) |
| 611 | o->zone_size = 0; |
| 612 | |
| 613 | /* |
| 614 | * If zone_range isn't specified, backward compatibility dictates it |
| 615 | * should be made equal to zone_size. |
| 616 | */ |
| 617 | if (o->zone_size && !o->zone_range) |
| 618 | o->zone_range = o->zone_size; |
| 619 | |
| 620 | /* |
| 621 | * Reads can do overwrites, we always need to pre-create the file |
| 622 | */ |
| 623 | if (td_read(td)) |
| 624 | o->overwrite = 1; |
| 625 | |
| 626 | if (!o->min_bs[DDIR_READ]) |
| 627 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
| 628 | if (!o->max_bs[DDIR_READ]) |
| 629 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; |
| 630 | if (!o->min_bs[DDIR_WRITE]) |
| 631 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
| 632 | if (!o->max_bs[DDIR_WRITE]) |
| 633 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
| 634 | if (!o->min_bs[DDIR_TRIM]) |
| 635 | o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM]; |
| 636 | if (!o->max_bs[DDIR_TRIM]) |
| 637 | o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM]; |
| 638 | |
| 639 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
| 640 | o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs); |
| 641 | |
| 642 | /* |
| 643 | * For random IO, allow blockalign offset other than min_bs. |
| 644 | */ |
| 645 | if (!o->ba[DDIR_READ] || !td_random(td)) |
| 646 | o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; |
| 647 | if (!o->ba[DDIR_WRITE] || !td_random(td)) |
| 648 | o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; |
| 649 | if (!o->ba[DDIR_TRIM] || !td_random(td)) |
| 650 | o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM]; |
| 651 | |
| 652 | if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || |
| 653 | o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] || |
| 654 | o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) && |
| 655 | !o->norandommap) { |
| 656 | log_err("fio: Any use of blockalign= turns off randommap\n"); |
| 657 | o->norandommap = 1; |
| 658 | ret = warnings_fatal; |
| 659 | } |
| 660 | |
| 661 | if (!o->file_size_high) |
| 662 | o->file_size_high = o->file_size_low; |
| 663 | |
| 664 | if (o->start_delay_high) |
| 665 | o->start_delay = get_rand_start_delay(td); |
| 666 | |
| 667 | if (o->norandommap && o->verify != VERIFY_NONE |
| 668 | && !fixed_block_size(o)) { |
| 669 | log_err("fio: norandommap given for variable block sizes, " |
| 670 | "verify limited\n"); |
| 671 | ret = warnings_fatal; |
| 672 | } |
| 673 | if (o->bs_unaligned && (o->odirect || td_ioengine_flagged(td, FIO_RAWIO))) |
| 674 | log_err("fio: bs_unaligned may not work with raw io\n"); |
| 675 | |
| 676 | /* |
| 677 | * thinktime_spin must be less than thinktime |
| 678 | */ |
| 679 | if (o->thinktime_spin > o->thinktime) |
| 680 | o->thinktime_spin = o->thinktime; |
| 681 | |
| 682 | /* |
| 683 | * The low water mark cannot be bigger than the iodepth |
| 684 | */ |
| 685 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) |
| 686 | o->iodepth_low = o->iodepth; |
| 687 | |
| 688 | /* |
| 689 | * If batch number isn't set, default to the same as iodepth |
| 690 | */ |
| 691 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
| 692 | o->iodepth_batch = o->iodepth; |
| 693 | |
| 694 | /* |
| 695 | * If max batch complete number isn't set or set incorrectly, |
| 696 | * default to the same as iodepth_batch_complete_min |
| 697 | */ |
| 698 | if (o->iodepth_batch_complete_min > o->iodepth_batch_complete_max) |
| 699 | o->iodepth_batch_complete_max = o->iodepth_batch_complete_min; |
| 700 | |
| 701 | /* |
| 702 | * There's no need to check for in-flight overlapping IOs if the job |
| 703 | * isn't changing data or the maximum iodepth is guaranteed to be 1 |
| 704 | */ |
| 705 | if (o->serialize_overlap && !(td->flags & TD_F_READ_IOLOG) && |
| 706 | (!(td_write(td) || td_trim(td)) || o->iodepth == 1)) |
| 707 | o->serialize_overlap = 0; |
| 708 | /* |
| 709 | * Currently can't check for overlaps in offload mode |
| 710 | */ |
| 711 | if (o->serialize_overlap && o->io_submit_mode == IO_MODE_OFFLOAD) { |
| 712 | log_err("fio: checking for in-flight overlaps when the " |
| 713 | "io_submit_mode is offload is not supported\n"); |
| 714 | o->serialize_overlap = 0; |
| 715 | ret = warnings_fatal; |
| 716 | } |
| 717 | |
| 718 | if (o->nr_files > td->files_index) |
| 719 | o->nr_files = td->files_index; |
| 720 | |
| 721 | if (o->open_files > o->nr_files || !o->open_files) |
| 722 | o->open_files = o->nr_files; |
| 723 | |
| 724 | if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) && |
| 725 | (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) || |
| 726 | ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) && |
| 727 | (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) { |
| 728 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
| 729 | ret = 1; |
| 730 | } |
| 731 | if ((o->rate[DDIR_READ] && (o->rate[DDIR_READ] < o->ratemin[DDIR_READ])) || |
| 732 | (o->rate[DDIR_WRITE] && (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE])) || |
| 733 | (o->rate[DDIR_TRIM] && (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM])) || |
| 734 | (o->rate_iops[DDIR_READ] && (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ])) || |
| 735 | (o->rate_iops[DDIR_WRITE] && (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE])) || |
| 736 | (o->rate_iops[DDIR_TRIM] && (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM]))) { |
| 737 | log_err("fio: minimum rate exceeds rate\n"); |
| 738 | ret = 1; |
| 739 | } |
| 740 | |
| 741 | if (!o->timeout && o->time_based) { |
| 742 | log_err("fio: time_based requires a runtime/timeout setting\n"); |
| 743 | o->time_based = 0; |
| 744 | ret = warnings_fatal; |
| 745 | } |
| 746 | |
| 747 | if (o->fill_device && !o->size) |
| 748 | o->size = -1ULL; |
| 749 | |
| 750 | if (o->verify != VERIFY_NONE) { |
| 751 | if (td_write(td) && o->do_verify && o->numjobs > 1 && |
| 752 | (o->filename || |
| 753 | !(o->unique_filename && |
| 754 | strstr(o->filename_format, "$jobname") && |
| 755 | strstr(o->filename_format, "$jobnum") && |
| 756 | strstr(o->filename_format, "$filenum")))) { |
| 757 | log_info("fio: multiple writers may overwrite blocks " |
| 758 | "that belong to other jobs. This can cause " |
| 759 | "verification failures.\n"); |
| 760 | ret = warnings_fatal; |
| 761 | } |
| 762 | |
| 763 | /* |
| 764 | * Warn if verification is requested but no verification of any |
| 765 | * kind can be started due to time constraints |
| 766 | */ |
| 767 | if (td_write(td) && o->do_verify && o->timeout && |
| 768 | o->time_based && !td_read(td) && !o->verify_backlog) { |
| 769 | log_info("fio: verification read phase will never " |
| 770 | "start because write phase uses all of " |
| 771 | "runtime\n"); |
| 772 | ret = warnings_fatal; |
| 773 | } |
| 774 | |
| 775 | if (!fio_option_is_set(o, refill_buffers)) |
| 776 | o->refill_buffers = 1; |
| 777 | |
| 778 | if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
| 779 | !o->verify_interval) |
| 780 | o->verify_interval = o->min_bs[DDIR_WRITE]; |
| 781 | |
| 782 | /* |
| 783 | * Verify interval must be smaller or equal to the |
| 784 | * write size. |
| 785 | */ |
| 786 | if (o->verify_interval > o->min_bs[DDIR_WRITE]) |
| 787 | o->verify_interval = o->min_bs[DDIR_WRITE]; |
| 788 | else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ]) |
| 789 | o->verify_interval = o->min_bs[DDIR_READ]; |
| 790 | |
| 791 | /* |
| 792 | * Verify interval must be a factor or both min and max |
| 793 | * write size |
| 794 | */ |
| 795 | if (o->verify_interval % o->min_bs[DDIR_WRITE] || |
| 796 | o->verify_interval % o->max_bs[DDIR_WRITE]) |
| 797 | o->verify_interval = gcd(o->min_bs[DDIR_WRITE], |
| 798 | o->max_bs[DDIR_WRITE]); |
| 799 | } |
| 800 | |
| 801 | if (o->pre_read) { |
| 802 | if (o->invalidate_cache) |
| 803 | o->invalidate_cache = 0; |
| 804 | if (td_ioengine_flagged(td, FIO_PIPEIO)) { |
| 805 | log_info("fio: cannot pre-read files with an IO engine" |
| 806 | " that isn't seekable. Pre-read disabled.\n"); |
| 807 | ret = warnings_fatal; |
| 808 | } |
| 809 | } |
| 810 | |
| 811 | if (!o->unit_base) { |
| 812 | if (td_ioengine_flagged(td, FIO_BIT_BASED)) |
| 813 | o->unit_base = 1; |
| 814 | else |
| 815 | o->unit_base = 8; |
| 816 | } |
| 817 | |
| 818 | #ifndef FIO_HAVE_ANY_FALLOCATE |
| 819 | /* Platform doesn't support any fallocate so force it to none */ |
| 820 | o->fallocate_mode = FIO_FALLOCATE_NONE; |
| 821 | #endif |
| 822 | |
| 823 | #ifndef CONFIG_FDATASYNC |
| 824 | if (o->fdatasync_blocks) { |
| 825 | log_info("fio: this platform does not support fdatasync()" |
| 826 | " falling back to using fsync(). Use the 'fsync'" |
| 827 | " option instead of 'fdatasync' to get rid of" |
| 828 | " this warning\n"); |
| 829 | o->fsync_blocks = o->fdatasync_blocks; |
| 830 | o->fdatasync_blocks = 0; |
| 831 | ret = warnings_fatal; |
| 832 | } |
| 833 | #endif |
| 834 | |
| 835 | #ifdef WIN32 |
| 836 | /* |
| 837 | * Windows doesn't support O_DIRECT or O_SYNC with the _open interface, |
| 838 | * so fail if we're passed those flags |
| 839 | */ |
| 840 | if (td_ioengine_flagged(td, FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) { |
| 841 | log_err("fio: Windows does not support direct or non-buffered io with" |
| 842 | " the synchronous ioengines. Use the 'windowsaio' ioengine" |
| 843 | " with 'direct=1' and 'iodepth=1' instead.\n"); |
| 844 | ret = 1; |
| 845 | } |
| 846 | #endif |
| 847 | |
| 848 | /* |
| 849 | * For fully compressible data, just zero them at init time. |
| 850 | * It's faster than repeatedly filling it. For non-zero |
| 851 | * compression, we should have refill_buffers set. Set it, unless |
| 852 | * the job file already changed it. |
| 853 | */ |
| 854 | if (o->compress_percentage) { |
| 855 | if (o->compress_percentage == 100) { |
| 856 | o->zero_buffers = 1; |
| 857 | o->compress_percentage = 0; |
| 858 | } else if (!fio_option_is_set(o, refill_buffers)) |
| 859 | o->refill_buffers = 1; |
| 860 | } |
| 861 | |
| 862 | /* |
| 863 | * Using a non-uniform random distribution excludes usage of |
| 864 | * a random map |
| 865 | */ |
| 866 | if (td->o.random_distribution != FIO_RAND_DIST_RANDOM) |
| 867 | td->o.norandommap = 1; |
| 868 | |
| 869 | /* |
| 870 | * If size is set but less than the min block size, complain |
| 871 | */ |
| 872 | if (o->size && o->size < td_min_bs(td)) { |
| 873 | log_err("fio: size too small, must not be less than minimum block size: %llu < %u\n", |
| 874 | (unsigned long long) o->size, td_min_bs(td)); |
| 875 | ret = 1; |
| 876 | } |
| 877 | |
| 878 | /* |
| 879 | * O_ATOMIC implies O_DIRECT |
| 880 | */ |
| 881 | if (td->o.oatomic) |
| 882 | td->o.odirect = 1; |
| 883 | |
| 884 | /* |
| 885 | * If randseed is set, that overrides randrepeat |
| 886 | */ |
| 887 | if (fio_option_is_set(&td->o, rand_seed)) |
| 888 | td->o.rand_repeatable = 0; |
| 889 | |
| 890 | if (td_ioengine_flagged(td, FIO_NOEXTEND) && td->o.file_append) { |
| 891 | log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name); |
| 892 | ret = 1; |
| 893 | } |
| 894 | |
| 895 | if (fio_option_is_set(o, gtod_cpu)) { |
| 896 | fio_gtod_init(); |
| 897 | fio_gtod_set_cpu(o->gtod_cpu); |
| 898 | fio_gtod_offload = 1; |
| 899 | } |
| 900 | |
| 901 | td->loops = o->loops; |
| 902 | if (!td->loops) |
| 903 | td->loops = 1; |
| 904 | |
| 905 | if (td->o.block_error_hist && td->o.nr_files != 1) { |
| 906 | log_err("fio: block error histogram only available " |
| 907 | "with a single file per job, but %d files " |
| 908 | "provided\n", td->o.nr_files); |
| 909 | ret = 1; |
| 910 | } |
| 911 | |
| 912 | return ret; |
| 913 | } |
| 914 | |
| 915 | static void init_rand_file_service(struct thread_data *td) |
| 916 | { |
| 917 | unsigned long nranges = td->o.nr_files << FIO_FSERVICE_SHIFT; |
| 918 | const unsigned int seed = td->rand_seeds[FIO_RAND_FILE_OFF]; |
| 919 | |
| 920 | if (td->o.file_service_type == FIO_FSERVICE_ZIPF) { |
| 921 | zipf_init(&td->next_file_zipf, nranges, td->zipf_theta, seed); |
| 922 | zipf_disable_hash(&td->next_file_zipf); |
| 923 | } else if (td->o.file_service_type == FIO_FSERVICE_PARETO) { |
| 924 | pareto_init(&td->next_file_zipf, nranges, td->pareto_h, seed); |
| 925 | zipf_disable_hash(&td->next_file_zipf); |
| 926 | } else if (td->o.file_service_type == FIO_FSERVICE_GAUSS) { |
| 927 | gauss_init(&td->next_file_gauss, nranges, td->gauss_dev, seed); |
| 928 | gauss_disable_hash(&td->next_file_gauss); |
| 929 | } |
| 930 | } |
| 931 | |
| 932 | void td_fill_verify_state_seed(struct thread_data *td) |
| 933 | { |
| 934 | bool use64; |
| 935 | |
| 936 | if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64) |
| 937 | use64 = true; |
| 938 | else |
| 939 | use64 = false; |
| 940 | |
| 941 | init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF], |
| 942 | use64); |
| 943 | } |
| 944 | |
| 945 | static void td_fill_rand_seeds_internal(struct thread_data *td, bool use64) |
| 946 | { |
| 947 | int i; |
| 948 | |
| 949 | /* |
| 950 | * trimwrite is special in that we need to generate the same |
| 951 | * offsets to get the "write after trim" effect. If we are |
| 952 | * using bssplit to set buffer length distributions, ensure that |
| 953 | * we seed the trim and write generators identically. |
| 954 | */ |
| 955 | if (td_trimwrite(td)) { |
| 956 | init_rand_seed(&td->bsrange_state[DDIR_READ], td->rand_seeds[FIO_RAND_BS_OFF], use64); |
| 957 | init_rand_seed(&td->bsrange_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_BS1_OFF], use64); |
| 958 | init_rand_seed(&td->bsrange_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_BS1_OFF], use64); |
| 959 | } else { |
| 960 | init_rand_seed(&td->bsrange_state[DDIR_READ], td->rand_seeds[FIO_RAND_BS_OFF], use64); |
| 961 | init_rand_seed(&td->bsrange_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_BS1_OFF], use64); |
| 962 | init_rand_seed(&td->bsrange_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_BS2_OFF], use64); |
| 963 | } |
| 964 | |
| 965 | td_fill_verify_state_seed(td); |
| 966 | init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF], false); |
| 967 | |
| 968 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
| 969 | init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF], use64); |
| 970 | else if (td->o.file_service_type & __FIO_FSERVICE_NONUNIFORM) |
| 971 | init_rand_file_service(td); |
| 972 | |
| 973 | init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], use64); |
| 974 | init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF], use64); |
| 975 | init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY], use64); |
| 976 | init_rand_seed(&td->poisson_state[0], td->rand_seeds[FIO_RAND_POISSON_OFF], 0); |
| 977 | init_rand_seed(&td->poisson_state[1], td->rand_seeds[FIO_RAND_POISSON2_OFF], 0); |
| 978 | init_rand_seed(&td->poisson_state[2], td->rand_seeds[FIO_RAND_POISSON3_OFF], 0); |
| 979 | init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF], false); |
| 980 | init_rand_seed(&td->zone_state, td->rand_seeds[FIO_RAND_ZONE_OFF], false); |
| 981 | |
| 982 | if (!td_random(td)) |
| 983 | return; |
| 984 | |
| 985 | if (td->o.rand_repeatable) |
| 986 | td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number; |
| 987 | |
| 988 | init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF], use64); |
| 989 | |
| 990 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| 991 | struct frand_state *s = &td->seq_rand_state[i]; |
| 992 | |
| 993 | init_rand_seed(s, td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], false); |
| 994 | } |
| 995 | } |
| 996 | |
| 997 | void td_fill_rand_seeds(struct thread_data *td) |
| 998 | { |
| 999 | bool use64; |
| 1000 | |
| 1001 | if (td->o.allrand_repeatable) { |
| 1002 | unsigned int i; |
| 1003 | |
| 1004 | for (i = 0; i < FIO_RAND_NR_OFFS; i++) |
| 1005 | td->rand_seeds[i] = FIO_RANDSEED * td->thread_number |
| 1006 | + i; |
| 1007 | } |
| 1008 | |
| 1009 | if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64) |
| 1010 | use64 = true; |
| 1011 | else |
| 1012 | use64 = false; |
| 1013 | |
| 1014 | td_fill_rand_seeds_internal(td, use64); |
| 1015 | |
| 1016 | init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF], use64); |
| 1017 | frand_copy(&td->buf_state_prev, &td->buf_state); |
| 1018 | } |
| 1019 | |
| 1020 | /* |
| 1021 | * Initializes the ioengine configured for a job, if it has not been done so |
| 1022 | * already. |
| 1023 | */ |
| 1024 | int ioengine_load(struct thread_data *td) |
| 1025 | { |
| 1026 | if (!td->o.ioengine) { |
| 1027 | log_err("fio: internal fault, no IO engine specified\n"); |
| 1028 | return 1; |
| 1029 | } |
| 1030 | |
| 1031 | if (td->io_ops) { |
| 1032 | /* An engine is loaded, but the requested ioengine |
| 1033 | * may have changed. |
| 1034 | */ |
| 1035 | if (!strcmp(td->io_ops->name, td->o.ioengine)) { |
| 1036 | /* The right engine is already loaded */ |
| 1037 | return 0; |
| 1038 | } |
| 1039 | |
| 1040 | /* Unload the old engine. */ |
| 1041 | free_ioengine(td); |
| 1042 | } |
| 1043 | |
| 1044 | td->io_ops = load_ioengine(td); |
| 1045 | if (!td->io_ops) { |
| 1046 | log_err("fio: failed to load engine\n"); |
| 1047 | return 1; |
| 1048 | } |
| 1049 | |
| 1050 | if (td->io_ops->option_struct_size && td->io_ops->options) { |
| 1051 | /* |
| 1052 | * In cases where td->eo is set, clone it for a child thread. |
| 1053 | * This requires that the parent thread has the same ioengine, |
| 1054 | * but that requirement must be enforced by the code which |
| 1055 | * cloned the thread. |
| 1056 | */ |
| 1057 | void *origeo = td->eo; |
| 1058 | /* |
| 1059 | * Otherwise use the default thread options. |
| 1060 | */ |
| 1061 | if (!origeo && td != &def_thread && def_thread.eo && |
| 1062 | def_thread.io_ops->options == td->io_ops->options) |
| 1063 | origeo = def_thread.eo; |
| 1064 | |
| 1065 | options_init(td->io_ops->options); |
| 1066 | td->eo = malloc(td->io_ops->option_struct_size); |
| 1067 | /* |
| 1068 | * Use the default thread as an option template if this uses the |
| 1069 | * same options structure and there are non-default options |
| 1070 | * used. |
| 1071 | */ |
| 1072 | if (origeo) { |
| 1073 | memcpy(td->eo, origeo, td->io_ops->option_struct_size); |
| 1074 | options_mem_dupe(td->io_ops->options, td->eo); |
| 1075 | } else { |
| 1076 | memset(td->eo, 0, td->io_ops->option_struct_size); |
| 1077 | fill_default_options(td->eo, td->io_ops->options); |
| 1078 | } |
| 1079 | *(struct thread_data **)td->eo = td; |
| 1080 | } |
| 1081 | |
| 1082 | if (td->o.odirect) |
| 1083 | td->io_ops->flags |= FIO_RAWIO; |
| 1084 | |
| 1085 | td_set_ioengine_flags(td); |
| 1086 | return 0; |
| 1087 | } |
| 1088 | |
| 1089 | static void init_flags(struct thread_data *td) |
| 1090 | { |
| 1091 | struct thread_options *o = &td->o; |
| 1092 | |
| 1093 | if (o->verify_backlog) |
| 1094 | td->flags |= TD_F_VER_BACKLOG; |
| 1095 | if (o->trim_backlog) |
| 1096 | td->flags |= TD_F_TRIM_BACKLOG; |
| 1097 | if (o->read_iolog_file) |
| 1098 | td->flags |= TD_F_READ_IOLOG; |
| 1099 | if (o->refill_buffers) |
| 1100 | td->flags |= TD_F_REFILL_BUFFERS; |
| 1101 | /* |
| 1102 | * Always scramble buffers if asked to |
| 1103 | */ |
| 1104 | if (o->scramble_buffers && fio_option_is_set(o, scramble_buffers)) |
| 1105 | td->flags |= TD_F_SCRAMBLE_BUFFERS; |
| 1106 | /* |
| 1107 | * But also scramble buffers, unless we were explicitly asked |
| 1108 | * to zero them. |
| 1109 | */ |
| 1110 | if (o->scramble_buffers && !(o->zero_buffers && |
| 1111 | fio_option_is_set(o, zero_buffers))) |
| 1112 | td->flags |= TD_F_SCRAMBLE_BUFFERS; |
| 1113 | if (o->verify != VERIFY_NONE) |
| 1114 | td->flags |= TD_F_VER_NONE; |
| 1115 | |
| 1116 | if (o->verify_async || o->io_submit_mode == IO_MODE_OFFLOAD) |
| 1117 | td->flags |= TD_F_NEED_LOCK; |
| 1118 | |
| 1119 | if (o->mem_type == MEM_CUDA_MALLOC) |
| 1120 | td->flags &= ~TD_F_SCRAMBLE_BUFFERS; |
| 1121 | } |
| 1122 | |
| 1123 | static int setup_random_seeds(struct thread_data *td) |
| 1124 | { |
| 1125 | unsigned long seed; |
| 1126 | unsigned int i; |
| 1127 | |
| 1128 | if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed)) { |
| 1129 | int ret = init_random_seeds(td->rand_seeds, sizeof(td->rand_seeds)); |
| 1130 | if (!ret) |
| 1131 | td_fill_rand_seeds(td); |
| 1132 | return ret; |
| 1133 | } |
| 1134 | |
| 1135 | seed = td->o.rand_seed; |
| 1136 | for (i = 0; i < 4; i++) |
| 1137 | seed *= 0x9e370001UL; |
| 1138 | |
| 1139 | for (i = 0; i < FIO_RAND_NR_OFFS; i++) { |
| 1140 | td->rand_seeds[i] = seed * td->thread_number + i; |
| 1141 | seed *= 0x9e370001UL; |
| 1142 | } |
| 1143 | |
| 1144 | td_fill_rand_seeds(td); |
| 1145 | return 0; |
| 1146 | } |
| 1147 | |
| 1148 | enum { |
| 1149 | FPRE_NONE = 0, |
| 1150 | FPRE_JOBNAME, |
| 1151 | FPRE_JOBNUM, |
| 1152 | FPRE_FILENUM |
| 1153 | }; |
| 1154 | |
| 1155 | static struct fpre_keyword { |
| 1156 | const char *keyword; |
| 1157 | size_t strlen; |
| 1158 | int key; |
| 1159 | } fpre_keywords[] = { |
| 1160 | { .keyword = "$jobname", .key = FPRE_JOBNAME, }, |
| 1161 | { .keyword = "$jobnum", .key = FPRE_JOBNUM, }, |
| 1162 | { .keyword = "$filenum", .key = FPRE_FILENUM, }, |
| 1163 | { .keyword = NULL, }, |
| 1164 | }; |
| 1165 | |
| 1166 | static char *make_filename(char *buf, size_t buf_size,struct thread_options *o, |
| 1167 | const char *jobname, int jobnum, int filenum) |
| 1168 | { |
| 1169 | struct fpre_keyword *f; |
| 1170 | char copy[PATH_MAX]; |
| 1171 | size_t dst_left = PATH_MAX - 1; |
| 1172 | |
| 1173 | if (!o->filename_format || !strlen(o->filename_format)) { |
| 1174 | sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum); |
| 1175 | return buf; |
| 1176 | } |
| 1177 | |
| 1178 | for (f = &fpre_keywords[0]; f->keyword; f++) |
| 1179 | f->strlen = strlen(f->keyword); |
| 1180 | |
| 1181 | buf[buf_size - 1] = '\0'; |
| 1182 | strncpy(buf, o->filename_format, buf_size - 1); |
| 1183 | |
| 1184 | memset(copy, 0, sizeof(copy)); |
| 1185 | for (f = &fpre_keywords[0]; f->keyword; f++) { |
| 1186 | do { |
| 1187 | size_t pre_len, post_start = 0; |
| 1188 | char *str, *dst = copy; |
| 1189 | |
| 1190 | str = strcasestr(buf, f->keyword); |
| 1191 | if (!str) |
| 1192 | break; |
| 1193 | |
| 1194 | pre_len = str - buf; |
| 1195 | if (strlen(str) != f->strlen) |
| 1196 | post_start = pre_len + f->strlen; |
| 1197 | |
| 1198 | if (pre_len) { |
| 1199 | strncpy(dst, buf, pre_len); |
| 1200 | dst += pre_len; |
| 1201 | dst_left -= pre_len; |
| 1202 | } |
| 1203 | |
| 1204 | switch (f->key) { |
| 1205 | case FPRE_JOBNAME: { |
| 1206 | int ret; |
| 1207 | |
| 1208 | ret = snprintf(dst, dst_left, "%s", jobname); |
| 1209 | if (ret < 0) |
| 1210 | break; |
| 1211 | else if (ret > dst_left) { |
| 1212 | log_err("fio: truncated filename\n"); |
| 1213 | dst += dst_left; |
| 1214 | dst_left = 0; |
| 1215 | } else { |
| 1216 | dst += ret; |
| 1217 | dst_left -= ret; |
| 1218 | } |
| 1219 | break; |
| 1220 | } |
| 1221 | case FPRE_JOBNUM: { |
| 1222 | int ret; |
| 1223 | |
| 1224 | ret = snprintf(dst, dst_left, "%d", jobnum); |
| 1225 | if (ret < 0) |
| 1226 | break; |
| 1227 | else if (ret > dst_left) { |
| 1228 | log_err("fio: truncated filename\n"); |
| 1229 | dst += dst_left; |
| 1230 | dst_left = 0; |
| 1231 | } else { |
| 1232 | dst += ret; |
| 1233 | dst_left -= ret; |
| 1234 | } |
| 1235 | break; |
| 1236 | } |
| 1237 | case FPRE_FILENUM: { |
| 1238 | int ret; |
| 1239 | |
| 1240 | ret = snprintf(dst, dst_left, "%d", filenum); |
| 1241 | if (ret < 0) |
| 1242 | break; |
| 1243 | else if (ret > dst_left) { |
| 1244 | log_err("fio: truncated filename\n"); |
| 1245 | dst += dst_left; |
| 1246 | dst_left = 0; |
| 1247 | } else { |
| 1248 | dst += ret; |
| 1249 | dst_left -= ret; |
| 1250 | } |
| 1251 | break; |
| 1252 | } |
| 1253 | default: |
| 1254 | assert(0); |
| 1255 | break; |
| 1256 | } |
| 1257 | |
| 1258 | if (post_start) |
| 1259 | strncpy(dst, buf + post_start, dst_left); |
| 1260 | |
| 1261 | strncpy(buf, copy, buf_size - 1); |
| 1262 | } while (1); |
| 1263 | } |
| 1264 | |
| 1265 | return buf; |
| 1266 | } |
| 1267 | |
| 1268 | bool parse_dryrun(void) |
| 1269 | { |
| 1270 | return dump_cmdline || parse_only; |
| 1271 | } |
| 1272 | |
| 1273 | static void gen_log_name(char *name, size_t size, const char *logtype, |
| 1274 | const char *logname, unsigned int num, |
| 1275 | const char *suf, int per_job) |
| 1276 | { |
| 1277 | if (per_job) |
| 1278 | snprintf(name, size, "%s_%s.%d.%s", logname, logtype, num, suf); |
| 1279 | else |
| 1280 | snprintf(name, size, "%s_%s.%s", logname, logtype, suf); |
| 1281 | } |
| 1282 | |
| 1283 | static int check_waitees(char *waitee) |
| 1284 | { |
| 1285 | struct thread_data *td; |
| 1286 | int i, ret = 0; |
| 1287 | |
| 1288 | for_each_td(td, i) { |
| 1289 | if (td->subjob_number) |
| 1290 | continue; |
| 1291 | |
| 1292 | ret += !strcmp(td->o.name, waitee); |
| 1293 | } |
| 1294 | |
| 1295 | return ret; |
| 1296 | } |
| 1297 | |
| 1298 | static bool wait_for_ok(const char *jobname, struct thread_options *o) |
| 1299 | { |
| 1300 | int nw; |
| 1301 | |
| 1302 | if (!o->wait_for) |
| 1303 | return true; |
| 1304 | |
| 1305 | if (!strcmp(jobname, o->wait_for)) { |
| 1306 | log_err("%s: a job cannot wait for itself (wait_for=%s).\n", |
| 1307 | jobname, o->wait_for); |
| 1308 | return false; |
| 1309 | } |
| 1310 | |
| 1311 | if (!(nw = check_waitees(o->wait_for))) { |
| 1312 | log_err("%s: waitee job %s unknown.\n", jobname, o->wait_for); |
| 1313 | return false; |
| 1314 | } |
| 1315 | |
| 1316 | if (nw > 1) { |
| 1317 | log_err("%s: multiple waitees %s found,\n" |
| 1318 | "please avoid duplicates when using wait_for option.\n", |
| 1319 | jobname, o->wait_for); |
| 1320 | return false; |
| 1321 | } |
| 1322 | |
| 1323 | return true; |
| 1324 | } |
| 1325 | |
| 1326 | /* |
| 1327 | * Adds a job to the list of things todo. Sanitizes the various options |
| 1328 | * to make sure we don't have conflicts, and initializes various |
| 1329 | * members of td. |
| 1330 | */ |
| 1331 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num, |
| 1332 | int recursed, int client_type) |
| 1333 | { |
| 1334 | unsigned int i; |
| 1335 | char fname[PATH_MAX]; |
| 1336 | int numjobs, file_alloced; |
| 1337 | struct thread_options *o = &td->o; |
| 1338 | char logname[PATH_MAX + 32]; |
| 1339 | |
| 1340 | /* |
| 1341 | * the def_thread is just for options, it's not a real job |
| 1342 | */ |
| 1343 | if (td == &def_thread) |
| 1344 | return 0; |
| 1345 | |
| 1346 | init_flags(td); |
| 1347 | |
| 1348 | /* |
| 1349 | * if we are just dumping the output command line, don't add the job |
| 1350 | */ |
| 1351 | if (parse_dryrun()) { |
| 1352 | put_job(td); |
| 1353 | return 0; |
| 1354 | } |
| 1355 | |
| 1356 | td->client_type = client_type; |
| 1357 | |
| 1358 | if (profile_td_init(td)) |
| 1359 | goto err; |
| 1360 | |
| 1361 | if (ioengine_load(td)) |
| 1362 | goto err; |
| 1363 | |
| 1364 | file_alloced = 0; |
| 1365 | if (!o->filename && !td->files_index && !o->read_iolog_file) { |
| 1366 | file_alloced = 1; |
| 1367 | |
| 1368 | if (o->nr_files == 1 && exists_and_not_regfile(jobname)) |
| 1369 | add_file(td, jobname, job_add_num, 0); |
| 1370 | else { |
| 1371 | for (i = 0; i < o->nr_files; i++) |
| 1372 | add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0); |
| 1373 | } |
| 1374 | } |
| 1375 | |
| 1376 | if (fixup_options(td)) |
| 1377 | goto err; |
| 1378 | |
| 1379 | /* |
| 1380 | * Belongs to fixup_options, but o->name is not necessarily set as yet |
| 1381 | */ |
| 1382 | if (!wait_for_ok(jobname, o)) |
| 1383 | goto err; |
| 1384 | |
| 1385 | flow_init_job(td); |
| 1386 | |
| 1387 | /* |
| 1388 | * IO engines only need this for option callbacks, and the address may |
| 1389 | * change in subprocesses. |
| 1390 | */ |
| 1391 | if (td->eo) |
| 1392 | *(struct thread_data **)td->eo = NULL; |
| 1393 | |
| 1394 | if (td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
| 1395 | struct fio_file *f; |
| 1396 | |
| 1397 | for_each_file(td, f, i) |
| 1398 | f->real_file_size = -1ULL; |
| 1399 | } |
| 1400 | |
| 1401 | td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED); |
| 1402 | |
| 1403 | td->ts.clat_percentiles = o->clat_percentiles; |
| 1404 | td->ts.percentile_precision = o->percentile_precision; |
| 1405 | memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list)); |
| 1406 | |
| 1407 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| 1408 | td->ts.clat_stat[i].min_val = ULONG_MAX; |
| 1409 | td->ts.slat_stat[i].min_val = ULONG_MAX; |
| 1410 | td->ts.lat_stat[i].min_val = ULONG_MAX; |
| 1411 | td->ts.bw_stat[i].min_val = ULONG_MAX; |
| 1412 | td->ts.iops_stat[i].min_val = ULONG_MAX; |
| 1413 | } |
| 1414 | td->ddir_seq_nr = o->ddir_seq_nr; |
| 1415 | |
| 1416 | if ((o->stonewall || o->new_group) && prev_group_jobs) { |
| 1417 | prev_group_jobs = 0; |
| 1418 | groupid++; |
| 1419 | if (groupid == INT_MAX) { |
| 1420 | log_err("fio: too many groups defined\n"); |
| 1421 | goto err; |
| 1422 | } |
| 1423 | } |
| 1424 | |
| 1425 | td->groupid = groupid; |
| 1426 | prev_group_jobs++; |
| 1427 | |
| 1428 | if (setup_random_seeds(td)) { |
| 1429 | td_verror(td, errno, "setup_random_seeds"); |
| 1430 | goto err; |
| 1431 | } |
| 1432 | |
| 1433 | if (setup_rate(td)) |
| 1434 | goto err; |
| 1435 | |
| 1436 | if (o->write_lat_log) { |
| 1437 | struct log_params p = { |
| 1438 | .td = td, |
| 1439 | .avg_msec = o->log_avg_msec, |
| 1440 | .hist_msec = o->log_hist_msec, |
| 1441 | .hist_coarseness = o->log_hist_coarseness, |
| 1442 | .log_type = IO_LOG_TYPE_LAT, |
| 1443 | .log_offset = o->log_offset, |
| 1444 | .log_gz = o->log_gz, |
| 1445 | .log_gz_store = o->log_gz_store, |
| 1446 | }; |
| 1447 | const char *pre = o->lat_log_file ? o->lat_log_file : o->name; |
| 1448 | const char *suf; |
| 1449 | |
| 1450 | if (p.log_gz_store) |
| 1451 | suf = "log.fz"; |
| 1452 | else |
| 1453 | suf = "log"; |
| 1454 | |
| 1455 | gen_log_name(logname, sizeof(logname), "lat", pre, |
| 1456 | td->thread_number, suf, o->per_job_logs); |
| 1457 | setup_log(&td->lat_log, &p, logname); |
| 1458 | |
| 1459 | gen_log_name(logname, sizeof(logname), "slat", pre, |
| 1460 | td->thread_number, suf, o->per_job_logs); |
| 1461 | setup_log(&td->slat_log, &p, logname); |
| 1462 | |
| 1463 | gen_log_name(logname, sizeof(logname), "clat", pre, |
| 1464 | td->thread_number, suf, o->per_job_logs); |
| 1465 | setup_log(&td->clat_log, &p, logname); |
| 1466 | } |
| 1467 | |
| 1468 | if (o->write_hist_log) { |
| 1469 | struct log_params p = { |
| 1470 | .td = td, |
| 1471 | .avg_msec = o->log_avg_msec, |
| 1472 | .hist_msec = o->log_hist_msec, |
| 1473 | .hist_coarseness = o->log_hist_coarseness, |
| 1474 | .log_type = IO_LOG_TYPE_HIST, |
| 1475 | .log_offset = o->log_offset, |
| 1476 | .log_gz = o->log_gz, |
| 1477 | .log_gz_store = o->log_gz_store, |
| 1478 | }; |
| 1479 | const char *pre = o->hist_log_file ? o->hist_log_file : o->name; |
| 1480 | const char *suf; |
| 1481 | |
| 1482 | #ifndef CONFIG_ZLIB |
| 1483 | if (td->client_type) { |
| 1484 | log_err("fio: --write_hist_log requires zlib in client/server mode\n"); |
| 1485 | goto err; |
| 1486 | } |
| 1487 | #endif |
| 1488 | |
| 1489 | if (p.log_gz_store) |
| 1490 | suf = "log.fz"; |
| 1491 | else |
| 1492 | suf = "log"; |
| 1493 | |
| 1494 | gen_log_name(logname, sizeof(logname), "clat_hist", pre, |
| 1495 | td->thread_number, suf, o->per_job_logs); |
| 1496 | setup_log(&td->clat_hist_log, &p, logname); |
| 1497 | } |
| 1498 | |
| 1499 | if (o->write_bw_log) { |
| 1500 | struct log_params p = { |
| 1501 | .td = td, |
| 1502 | .avg_msec = o->log_avg_msec, |
| 1503 | .hist_msec = o->log_hist_msec, |
| 1504 | .hist_coarseness = o->log_hist_coarseness, |
| 1505 | .log_type = IO_LOG_TYPE_BW, |
| 1506 | .log_offset = o->log_offset, |
| 1507 | .log_gz = o->log_gz, |
| 1508 | .log_gz_store = o->log_gz_store, |
| 1509 | }; |
| 1510 | const char *pre = o->bw_log_file ? o->bw_log_file : o->name; |
| 1511 | const char *suf; |
| 1512 | |
| 1513 | if (fio_option_is_set(o, bw_avg_time)) |
| 1514 | p.avg_msec = min(o->log_avg_msec, o->bw_avg_time); |
| 1515 | else |
| 1516 | o->bw_avg_time = p.avg_msec; |
| 1517 | |
| 1518 | p.hist_msec = o->log_hist_msec; |
| 1519 | p.hist_coarseness = o->log_hist_coarseness; |
| 1520 | |
| 1521 | if (p.log_gz_store) |
| 1522 | suf = "log.fz"; |
| 1523 | else |
| 1524 | suf = "log"; |
| 1525 | |
| 1526 | gen_log_name(logname, sizeof(logname), "bw", pre, |
| 1527 | td->thread_number, suf, o->per_job_logs); |
| 1528 | setup_log(&td->bw_log, &p, logname); |
| 1529 | } |
| 1530 | if (o->write_iops_log) { |
| 1531 | struct log_params p = { |
| 1532 | .td = td, |
| 1533 | .avg_msec = o->log_avg_msec, |
| 1534 | .hist_msec = o->log_hist_msec, |
| 1535 | .hist_coarseness = o->log_hist_coarseness, |
| 1536 | .log_type = IO_LOG_TYPE_IOPS, |
| 1537 | .log_offset = o->log_offset, |
| 1538 | .log_gz = o->log_gz, |
| 1539 | .log_gz_store = o->log_gz_store, |
| 1540 | }; |
| 1541 | const char *pre = o->iops_log_file ? o->iops_log_file : o->name; |
| 1542 | const char *suf; |
| 1543 | |
| 1544 | if (fio_option_is_set(o, iops_avg_time)) |
| 1545 | p.avg_msec = min(o->log_avg_msec, o->iops_avg_time); |
| 1546 | else |
| 1547 | o->iops_avg_time = p.avg_msec; |
| 1548 | |
| 1549 | p.hist_msec = o->log_hist_msec; |
| 1550 | p.hist_coarseness = o->log_hist_coarseness; |
| 1551 | |
| 1552 | if (p.log_gz_store) |
| 1553 | suf = "log.fz"; |
| 1554 | else |
| 1555 | suf = "log"; |
| 1556 | |
| 1557 | gen_log_name(logname, sizeof(logname), "iops", pre, |
| 1558 | td->thread_number, suf, o->per_job_logs); |
| 1559 | setup_log(&td->iops_log, &p, logname); |
| 1560 | } |
| 1561 | |
| 1562 | if (!o->name) |
| 1563 | o->name = strdup(jobname); |
| 1564 | |
| 1565 | if (output_format & FIO_OUTPUT_NORMAL) { |
| 1566 | if (!job_add_num) { |
| 1567 | if (is_backend && !recursed) |
| 1568 | fio_server_send_add_job(td); |
| 1569 | |
| 1570 | if (!td_ioengine_flagged(td, FIO_NOIO)) { |
| 1571 | char *c1, *c2, *c3, *c4; |
| 1572 | char *c5 = NULL, *c6 = NULL; |
| 1573 | int i2p = is_power_of_2(o->kb_base); |
| 1574 | |
| 1575 | c1 = num2str(o->min_bs[DDIR_READ], 4, 1, i2p, N2S_BYTE); |
| 1576 | c2 = num2str(o->max_bs[DDIR_READ], 4, 1, i2p, N2S_BYTE); |
| 1577 | c3 = num2str(o->min_bs[DDIR_WRITE], 4, 1, i2p, N2S_BYTE); |
| 1578 | c4 = num2str(o->max_bs[DDIR_WRITE], 4, 1, i2p, N2S_BYTE); |
| 1579 | |
| 1580 | if (!o->bs_is_seq_rand) { |
| 1581 | c5 = num2str(o->min_bs[DDIR_TRIM], 4, 1, i2p, N2S_BYTE); |
| 1582 | c6 = num2str(o->max_bs[DDIR_TRIM], 4, 1, i2p, N2S_BYTE); |
| 1583 | } |
| 1584 | |
| 1585 | log_info("%s: (g=%d): rw=%s, ", td->o.name, |
| 1586 | td->groupid, |
| 1587 | ddir_str(o->td_ddir)); |
| 1588 | |
| 1589 | if (o->bs_is_seq_rand) |
| 1590 | log_info("bs=(R) %s-%s, (W) %s-%s, bs_is_seq_rand, ", |
| 1591 | c1, c2, c3, c4); |
| 1592 | else |
| 1593 | log_info("bs=(R) %s-%s, (W) %s-%s, (T) %s-%s, ", |
| 1594 | c1, c2, c3, c4, c5, c6); |
| 1595 | |
| 1596 | log_info("ioengine=%s, iodepth=%u\n", |
| 1597 | td->io_ops->name, o->iodepth); |
| 1598 | |
| 1599 | free(c1); |
| 1600 | free(c2); |
| 1601 | free(c3); |
| 1602 | free(c4); |
| 1603 | free(c5); |
| 1604 | free(c6); |
| 1605 | } |
| 1606 | } else if (job_add_num == 1) |
| 1607 | log_info("...\n"); |
| 1608 | } |
| 1609 | |
| 1610 | if (td_steadystate_init(td)) |
| 1611 | goto err; |
| 1612 | |
| 1613 | /* |
| 1614 | * recurse add identical jobs, clear numjobs and stonewall options |
| 1615 | * as they don't apply to sub-jobs |
| 1616 | */ |
| 1617 | numjobs = o->numjobs; |
| 1618 | while (--numjobs) { |
| 1619 | struct thread_data *td_new = get_new_job(false, td, true, jobname); |
| 1620 | |
| 1621 | if (!td_new) |
| 1622 | goto err; |
| 1623 | |
| 1624 | td_new->o.numjobs = 1; |
| 1625 | td_new->o.stonewall = 0; |
| 1626 | td_new->o.new_group = 0; |
| 1627 | td_new->subjob_number = numjobs; |
| 1628 | td_new->o.ss_dur = o->ss_dur * 1000000l; |
| 1629 | td_new->o.ss_limit = o->ss_limit; |
| 1630 | |
| 1631 | if (file_alloced) { |
| 1632 | if (td_new->files) { |
| 1633 | struct fio_file *f; |
| 1634 | for_each_file(td_new, f, i) { |
| 1635 | if (f->file_name) |
| 1636 | sfree(f->file_name); |
| 1637 | sfree(f); |
| 1638 | } |
| 1639 | free(td_new->files); |
| 1640 | td_new->files = NULL; |
| 1641 | } |
| 1642 | td_new->files_index = 0; |
| 1643 | td_new->files_size = 0; |
| 1644 | if (td_new->o.filename) { |
| 1645 | free(td_new->o.filename); |
| 1646 | td_new->o.filename = NULL; |
| 1647 | } |
| 1648 | } |
| 1649 | |
| 1650 | if (add_job(td_new, jobname, numjobs, 1, client_type)) |
| 1651 | goto err; |
| 1652 | } |
| 1653 | |
| 1654 | return 0; |
| 1655 | err: |
| 1656 | put_job(td); |
| 1657 | return -1; |
| 1658 | } |
| 1659 | |
| 1660 | /* |
| 1661 | * Parse as if 'o' was a command line |
| 1662 | */ |
| 1663 | void add_job_opts(const char **o, int client_type) |
| 1664 | { |
| 1665 | struct thread_data *td, *td_parent; |
| 1666 | int i, in_global = 1; |
| 1667 | char jobname[32]; |
| 1668 | |
| 1669 | i = 0; |
| 1670 | td_parent = td = NULL; |
| 1671 | while (o[i]) { |
| 1672 | if (!strncmp(o[i], "name", 4)) { |
| 1673 | in_global = 0; |
| 1674 | if (td) |
| 1675 | add_job(td, jobname, 0, 0, client_type); |
| 1676 | td = NULL; |
| 1677 | sprintf(jobname, "%s", o[i] + 5); |
| 1678 | } |
| 1679 | if (in_global && !td_parent) |
| 1680 | td_parent = get_new_job(true, &def_thread, false, jobname); |
| 1681 | else if (!in_global && !td) { |
| 1682 | if (!td_parent) |
| 1683 | td_parent = &def_thread; |
| 1684 | td = get_new_job(false, td_parent, false, jobname); |
| 1685 | } |
| 1686 | if (in_global) |
| 1687 | fio_options_parse(td_parent, (char **) &o[i], 1); |
| 1688 | else |
| 1689 | fio_options_parse(td, (char **) &o[i], 1); |
| 1690 | i++; |
| 1691 | } |
| 1692 | |
| 1693 | if (td) |
| 1694 | add_job(td, jobname, 0, 0, client_type); |
| 1695 | } |
| 1696 | |
| 1697 | static int skip_this_section(const char *name) |
| 1698 | { |
| 1699 | int i; |
| 1700 | |
| 1701 | if (!nr_job_sections) |
| 1702 | return 0; |
| 1703 | if (!strncmp(name, "global", 6)) |
| 1704 | return 0; |
| 1705 | |
| 1706 | for (i = 0; i < nr_job_sections; i++) |
| 1707 | if (!strcmp(job_sections[i], name)) |
| 1708 | return 0; |
| 1709 | |
| 1710 | return 1; |
| 1711 | } |
| 1712 | |
| 1713 | static int is_empty_or_comment(char *line) |
| 1714 | { |
| 1715 | unsigned int i; |
| 1716 | |
| 1717 | for (i = 0; i < strlen(line); i++) { |
| 1718 | if (line[i] == ';') |
| 1719 | return 1; |
| 1720 | if (line[i] == '#') |
| 1721 | return 1; |
| 1722 | if (!isspace((int) line[i]) && !iscntrl((int) line[i])) |
| 1723 | return 0; |
| 1724 | } |
| 1725 | |
| 1726 | return 1; |
| 1727 | } |
| 1728 | |
| 1729 | /* |
| 1730 | * This is our [ini] type file parser. |
| 1731 | */ |
| 1732 | static int __parse_jobs_ini(struct thread_data *td, |
| 1733 | char *file, int is_buf, int stonewall_flag, int type, |
| 1734 | int nested, char *name, char ***popts, int *aopts, int *nopts) |
| 1735 | { |
| 1736 | bool global = false; |
| 1737 | char *string; |
| 1738 | FILE *f; |
| 1739 | char *p; |
| 1740 | int ret = 0, stonewall; |
| 1741 | int first_sect = 1; |
| 1742 | int skip_fgets = 0; |
| 1743 | int inside_skip = 0; |
| 1744 | char **opts; |
| 1745 | int i, alloc_opts, num_opts; |
| 1746 | |
| 1747 | dprint(FD_PARSE, "Parsing ini file %s\n", file); |
| 1748 | assert(td || !nested); |
| 1749 | |
| 1750 | if (is_buf) |
| 1751 | f = NULL; |
| 1752 | else { |
| 1753 | if (!strcmp(file, "-")) |
| 1754 | f = stdin; |
| 1755 | else |
| 1756 | f = fopen(file, "r"); |
| 1757 | |
| 1758 | if (!f) { |
| 1759 | int __err = errno; |
| 1760 | |
| 1761 | log_err("fio: unable to open '%s' job file\n", file); |
| 1762 | if (td) |
| 1763 | td_verror(td, __err, "job file open"); |
| 1764 | return 1; |
| 1765 | } |
| 1766 | } |
| 1767 | |
| 1768 | string = malloc(4096); |
| 1769 | |
| 1770 | /* |
| 1771 | * it's really 256 + small bit, 280 should suffice |
| 1772 | */ |
| 1773 | if (!nested) { |
| 1774 | name = malloc(280); |
| 1775 | memset(name, 0, 280); |
| 1776 | } |
| 1777 | |
| 1778 | opts = NULL; |
| 1779 | if (nested && popts) { |
| 1780 | opts = *popts; |
| 1781 | alloc_opts = *aopts; |
| 1782 | num_opts = *nopts; |
| 1783 | } |
| 1784 | |
| 1785 | if (!opts) { |
| 1786 | alloc_opts = 8; |
| 1787 | opts = malloc(sizeof(char *) * alloc_opts); |
| 1788 | num_opts = 0; |
| 1789 | } |
| 1790 | |
| 1791 | stonewall = stonewall_flag; |
| 1792 | do { |
| 1793 | /* |
| 1794 | * if skip_fgets is set, we already have loaded a line we |
| 1795 | * haven't handled. |
| 1796 | */ |
| 1797 | if (!skip_fgets) { |
| 1798 | if (is_buf) |
| 1799 | p = strsep(&file, "\n"); |
| 1800 | else |
| 1801 | p = fgets(string, 4096, f); |
| 1802 | if (!p) |
| 1803 | break; |
| 1804 | } |
| 1805 | |
| 1806 | skip_fgets = 0; |
| 1807 | strip_blank_front(&p); |
| 1808 | strip_blank_end(p); |
| 1809 | |
| 1810 | dprint(FD_PARSE, "%s\n", p); |
| 1811 | if (is_empty_or_comment(p)) |
| 1812 | continue; |
| 1813 | |
| 1814 | if (!nested) { |
| 1815 | if (sscanf(p, "[%255[^\n]]", name) != 1) { |
| 1816 | if (inside_skip) |
| 1817 | continue; |
| 1818 | |
| 1819 | log_err("fio: option <%s> outside of " |
| 1820 | "[] job section\n", p); |
| 1821 | ret = 1; |
| 1822 | break; |
| 1823 | } |
| 1824 | |
| 1825 | name[strlen(name) - 1] = '\0'; |
| 1826 | |
| 1827 | if (skip_this_section(name)) { |
| 1828 | inside_skip = 1; |
| 1829 | continue; |
| 1830 | } else |
| 1831 | inside_skip = 0; |
| 1832 | |
| 1833 | dprint(FD_PARSE, "Parsing section [%s]\n", name); |
| 1834 | |
| 1835 | global = !strncmp(name, "global", 6); |
| 1836 | |
| 1837 | if (dump_cmdline) { |
| 1838 | if (first_sect) |
| 1839 | log_info("fio "); |
| 1840 | if (!global) |
| 1841 | log_info("--name=%s ", name); |
| 1842 | first_sect = 0; |
| 1843 | } |
| 1844 | |
| 1845 | td = get_new_job(global, &def_thread, false, name); |
| 1846 | if (!td) { |
| 1847 | ret = 1; |
| 1848 | break; |
| 1849 | } |
| 1850 | |
| 1851 | /* |
| 1852 | * Separate multiple job files by a stonewall |
| 1853 | */ |
| 1854 | if (!global && stonewall) { |
| 1855 | td->o.stonewall = stonewall; |
| 1856 | stonewall = 0; |
| 1857 | } |
| 1858 | |
| 1859 | num_opts = 0; |
| 1860 | memset(opts, 0, alloc_opts * sizeof(char *)); |
| 1861 | } |
| 1862 | else |
| 1863 | skip_fgets = 1; |
| 1864 | |
| 1865 | while (1) { |
| 1866 | if (!skip_fgets) { |
| 1867 | if (is_buf) |
| 1868 | p = strsep(&file, "\n"); |
| 1869 | else |
| 1870 | p = fgets(string, 4096, f); |
| 1871 | if (!p) |
| 1872 | break; |
| 1873 | dprint(FD_PARSE, "%s", p); |
| 1874 | } |
| 1875 | else |
| 1876 | skip_fgets = 0; |
| 1877 | |
| 1878 | if (is_empty_or_comment(p)) |
| 1879 | continue; |
| 1880 | |
| 1881 | strip_blank_front(&p); |
| 1882 | |
| 1883 | /* |
| 1884 | * new section, break out and make sure we don't |
| 1885 | * fgets() a new line at the top. |
| 1886 | */ |
| 1887 | if (p[0] == '[') { |
| 1888 | if (nested) { |
| 1889 | log_err("No new sections in included files\n"); |
| 1890 | return 1; |
| 1891 | } |
| 1892 | |
| 1893 | skip_fgets = 1; |
| 1894 | break; |
| 1895 | } |
| 1896 | |
| 1897 | strip_blank_end(p); |
| 1898 | |
| 1899 | if (!strncmp(p, "include", strlen("include"))) { |
| 1900 | char *filename = p + strlen("include") + 1, |
| 1901 | *ts, *full_fn = NULL; |
| 1902 | |
| 1903 | /* |
| 1904 | * Allow for the include filename |
| 1905 | * specification to be relative. |
| 1906 | */ |
| 1907 | if (access(filename, F_OK) && |
| 1908 | (ts = strrchr(file, '/'))) { |
| 1909 | int len = ts - file + |
| 1910 | strlen(filename) + 2; |
| 1911 | |
| 1912 | if (!(full_fn = calloc(1, len))) { |
| 1913 | ret = ENOMEM; |
| 1914 | break; |
| 1915 | } |
| 1916 | |
| 1917 | strncpy(full_fn, |
| 1918 | file, (ts - file) + 1); |
| 1919 | strncpy(full_fn + (ts - file) + 1, |
| 1920 | filename, strlen(filename)); |
| 1921 | full_fn[len - 1] = 0; |
| 1922 | filename = full_fn; |
| 1923 | } |
| 1924 | |
| 1925 | ret = __parse_jobs_ini(td, filename, is_buf, |
| 1926 | stonewall_flag, type, 1, |
| 1927 | name, &opts, |
| 1928 | &alloc_opts, &num_opts); |
| 1929 | |
| 1930 | if (ret) { |
| 1931 | log_err("Error %d while parsing " |
| 1932 | "include file %s\n", |
| 1933 | ret, filename); |
| 1934 | } |
| 1935 | |
| 1936 | if (full_fn) |
| 1937 | free(full_fn); |
| 1938 | |
| 1939 | if (ret) |
| 1940 | break; |
| 1941 | |
| 1942 | continue; |
| 1943 | } |
| 1944 | |
| 1945 | if (num_opts == alloc_opts) { |
| 1946 | alloc_opts <<= 1; |
| 1947 | opts = realloc(opts, |
| 1948 | alloc_opts * sizeof(char *)); |
| 1949 | } |
| 1950 | |
| 1951 | opts[num_opts] = strdup(p); |
| 1952 | num_opts++; |
| 1953 | } |
| 1954 | |
| 1955 | if (nested) { |
| 1956 | *popts = opts; |
| 1957 | *aopts = alloc_opts; |
| 1958 | *nopts = num_opts; |
| 1959 | goto out; |
| 1960 | } |
| 1961 | |
| 1962 | ret = fio_options_parse(td, opts, num_opts); |
| 1963 | if (!ret) { |
| 1964 | if (dump_cmdline) |
| 1965 | dump_opt_list(td); |
| 1966 | |
| 1967 | ret = add_job(td, name, 0, 0, type); |
| 1968 | } else { |
| 1969 | log_err("fio: job %s dropped\n", name); |
| 1970 | put_job(td); |
| 1971 | } |
| 1972 | |
| 1973 | for (i = 0; i < num_opts; i++) |
| 1974 | free(opts[i]); |
| 1975 | num_opts = 0; |
| 1976 | } while (!ret); |
| 1977 | |
| 1978 | if (dump_cmdline) |
| 1979 | log_info("\n"); |
| 1980 | |
| 1981 | i = 0; |
| 1982 | while (i < nr_job_sections) { |
| 1983 | free(job_sections[i]); |
| 1984 | i++; |
| 1985 | } |
| 1986 | |
| 1987 | free(opts); |
| 1988 | out: |
| 1989 | free(string); |
| 1990 | if (!nested) |
| 1991 | free(name); |
| 1992 | if (!is_buf && f != stdin) |
| 1993 | fclose(f); |
| 1994 | return ret; |
| 1995 | } |
| 1996 | |
| 1997 | int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type) |
| 1998 | { |
| 1999 | return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type, |
| 2000 | 0, NULL, NULL, NULL, NULL); |
| 2001 | } |
| 2002 | |
| 2003 | static int fill_def_thread(void) |
| 2004 | { |
| 2005 | memset(&def_thread, 0, sizeof(def_thread)); |
| 2006 | INIT_FLIST_HEAD(&def_thread.opt_list); |
| 2007 | |
| 2008 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
| 2009 | def_thread.o.error_dump = 1; |
| 2010 | |
| 2011 | /* |
| 2012 | * fill default options |
| 2013 | */ |
| 2014 | fio_fill_default_options(&def_thread); |
| 2015 | return 0; |
| 2016 | } |
| 2017 | |
| 2018 | static void show_debug_categories(void) |
| 2019 | { |
| 2020 | #ifdef FIO_INC_DEBUG |
| 2021 | struct debug_level *dl = &debug_levels[0]; |
| 2022 | int curlen, first = 1; |
| 2023 | |
| 2024 | curlen = 0; |
| 2025 | while (dl->name) { |
| 2026 | int has_next = (dl + 1)->name != NULL; |
| 2027 | |
| 2028 | if (first || curlen + strlen(dl->name) >= 80) { |
| 2029 | if (!first) { |
| 2030 | printf("\n"); |
| 2031 | curlen = 0; |
| 2032 | } |
| 2033 | curlen += printf("\t\t\t%s", dl->name); |
| 2034 | curlen += 3 * (8 - 1); |
| 2035 | if (has_next) |
| 2036 | curlen += printf(","); |
| 2037 | } else { |
| 2038 | curlen += printf("%s", dl->name); |
| 2039 | if (has_next) |
| 2040 | curlen += printf(","); |
| 2041 | } |
| 2042 | dl++; |
| 2043 | first = 0; |
| 2044 | } |
| 2045 | printf("\n"); |
| 2046 | #endif |
| 2047 | } |
| 2048 | |
| 2049 | /* |
| 2050 | * Following options aren't printed by usage(). |
| 2051 | * --append-terse - Equivalent to --output-format=terse, see f6a7df53. |
| 2052 | * --latency-log - Deprecated option. |
| 2053 | */ |
| 2054 | static void usage(const char *name) |
| 2055 | { |
| 2056 | printf("%s\n", fio_version_string); |
| 2057 | printf("%s [options] [job options] <job file(s)>\n", name); |
| 2058 | printf(" --debug=options\tEnable debug logging. May be one/more of:\n"); |
| 2059 | show_debug_categories(); |
| 2060 | printf(" --parse-only\t\tParse options only, don't start any IO\n"); |
| 2061 | printf(" --output\t\tWrite output to file\n"); |
| 2062 | printf(" --bandwidth-log\tGenerate aggregate bandwidth logs\n"); |
| 2063 | printf(" --minimal\t\tMinimal (terse) output\n"); |
| 2064 | printf(" --output-format=type\tOutput format (terse,json,json+,normal)\n"); |
| 2065 | printf(" --terse-version=type\tSet terse version output format" |
| 2066 | " (default 3, or 2 or 4)\n"); |
| 2067 | printf(" --version\t\tPrint version info and exit\n"); |
| 2068 | printf(" --help\t\tPrint this page\n"); |
| 2069 | printf(" --cpuclock-test\tPerform test/validation of CPU clock\n"); |
| 2070 | printf(" --crctest=[type]\tTest speed of checksum functions\n"); |
| 2071 | printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of" |
| 2072 | " them\n"); |
| 2073 | printf(" --enghelp=engine\tPrint ioengine help, or list" |
| 2074 | " available ioengines\n"); |
| 2075 | printf(" --enghelp=engine,cmd\tPrint help for an ioengine" |
| 2076 | " cmd\n"); |
| 2077 | printf(" --showcmd\t\tTurn a job file into command line options\n"); |
| 2078 | printf(" --eta=when\t\tWhen ETA estimate should be printed\n"); |
| 2079 | printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n"); |
| 2080 | printf(" --eta-newline=time\tForce a new line for every 'time'"); |
| 2081 | printf(" period passed\n"); |
| 2082 | printf(" --status-interval=t\tForce full status dump every"); |
| 2083 | printf(" 't' period passed\n"); |
| 2084 | printf(" --readonly\t\tTurn on safety read-only checks, preventing" |
| 2085 | " writes\n"); |
| 2086 | printf(" --section=name\tOnly run specified section in job file," |
| 2087 | " multiple sections can be specified\n"); |
| 2088 | printf(" --alloc-size=kb\tSet smalloc pool to this size in kb" |
| 2089 | " (def 16384)\n"); |
| 2090 | printf(" --warnings-fatal\tFio parser warnings are fatal\n"); |
| 2091 | printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n"); |
| 2092 | printf(" --server=args\t\tStart a backend fio server\n"); |
| 2093 | printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n"); |
| 2094 | printf(" --client=hostname\tTalk to remote backend(s) fio server at hostname\n"); |
| 2095 | printf(" --remote-config=file\tTell fio server to load this local job file\n"); |
| 2096 | printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n" |
| 2097 | "\t\t\t(option=system,percpu) or run unit work\n" |
| 2098 | "\t\t\tcalibration only (option=calibrate)\n"); |
| 2099 | #ifdef CONFIG_ZLIB |
| 2100 | printf(" --inflate-log=log\tInflate and output compressed log\n"); |
| 2101 | #endif |
| 2102 | printf(" --trigger-file=file\tExecute trigger cmd when file exists\n"); |
| 2103 | printf(" --trigger-timeout=t\tExecute trigger af this time\n"); |
| 2104 | printf(" --trigger=cmd\t\tSet this command as local trigger\n"); |
| 2105 | printf(" --trigger-remote=cmd\tSet this command as remote trigger\n"); |
| 2106 | printf(" --aux-path=path\tUse this path for fio state generated files\n"); |
| 2107 | printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); |
| 2108 | printf("\n Jens Axboe <jaxboe@fusionio.com>"); |
| 2109 | printf("\n Jens Axboe <axboe@fb.com>\n"); |
| 2110 | } |
| 2111 | |
| 2112 | #ifdef FIO_INC_DEBUG |
| 2113 | struct debug_level debug_levels[] = { |
| 2114 | { .name = "process", |
| 2115 | .help = "Process creation/exit logging", |
| 2116 | .shift = FD_PROCESS, |
| 2117 | }, |
| 2118 | { .name = "file", |
| 2119 | .help = "File related action logging", |
| 2120 | .shift = FD_FILE, |
| 2121 | }, |
| 2122 | { .name = "io", |
| 2123 | .help = "IO and IO engine action logging (offsets, queue, completions, etc)", |
| 2124 | .shift = FD_IO, |
| 2125 | }, |
| 2126 | { .name = "mem", |
| 2127 | .help = "Memory allocation/freeing logging", |
| 2128 | .shift = FD_MEM, |
| 2129 | }, |
| 2130 | { .name = "blktrace", |
| 2131 | .help = "blktrace action logging", |
| 2132 | .shift = FD_BLKTRACE, |
| 2133 | }, |
| 2134 | { .name = "verify", |
| 2135 | .help = "IO verification action logging", |
| 2136 | .shift = FD_VERIFY, |
| 2137 | }, |
| 2138 | { .name = "random", |
| 2139 | .help = "Random generation logging", |
| 2140 | .shift = FD_RANDOM, |
| 2141 | }, |
| 2142 | { .name = "parse", |
| 2143 | .help = "Parser logging", |
| 2144 | .shift = FD_PARSE, |
| 2145 | }, |
| 2146 | { .name = "diskutil", |
| 2147 | .help = "Disk utility logging actions", |
| 2148 | .shift = FD_DISKUTIL, |
| 2149 | }, |
| 2150 | { .name = "job", |
| 2151 | .help = "Logging related to creating/destroying jobs", |
| 2152 | .shift = FD_JOB, |
| 2153 | }, |
| 2154 | { .name = "mutex", |
| 2155 | .help = "Mutex logging", |
| 2156 | .shift = FD_MUTEX |
| 2157 | }, |
| 2158 | { .name = "profile", |
| 2159 | .help = "Logging related to profiles", |
| 2160 | .shift = FD_PROFILE, |
| 2161 | }, |
| 2162 | { .name = "time", |
| 2163 | .help = "Logging related to time keeping functions", |
| 2164 | .shift = FD_TIME, |
| 2165 | }, |
| 2166 | { .name = "net", |
| 2167 | .help = "Network logging", |
| 2168 | .shift = FD_NET, |
| 2169 | }, |
| 2170 | { .name = "rate", |
| 2171 | .help = "Rate logging", |
| 2172 | .shift = FD_RATE, |
| 2173 | }, |
| 2174 | { .name = "compress", |
| 2175 | .help = "Log compression logging", |
| 2176 | .shift = FD_COMPRESS, |
| 2177 | }, |
| 2178 | { .name = "steadystate", |
| 2179 | .help = "Steady state detection logging", |
| 2180 | .shift = FD_STEADYSTATE, |
| 2181 | }, |
| 2182 | { .name = "helperthread", |
| 2183 | .help = "Helper thread logging", |
| 2184 | .shift = FD_HELPERTHREAD, |
| 2185 | }, |
| 2186 | { .name = NULL, }, |
| 2187 | }; |
| 2188 | |
| 2189 | static int set_debug(const char *string) |
| 2190 | { |
| 2191 | struct debug_level *dl; |
| 2192 | char *p = (char *) string; |
| 2193 | char *opt; |
| 2194 | int i; |
| 2195 | |
| 2196 | if (!string) |
| 2197 | return 0; |
| 2198 | |
| 2199 | if (!strcmp(string, "?") || !strcmp(string, "help")) { |
| 2200 | log_info("fio: dumping debug options:"); |
| 2201 | for (i = 0; debug_levels[i].name; i++) { |
| 2202 | dl = &debug_levels[i]; |
| 2203 | log_info("%s,", dl->name); |
| 2204 | } |
| 2205 | log_info("all\n"); |
| 2206 | return 1; |
| 2207 | } |
| 2208 | |
| 2209 | while ((opt = strsep(&p, ",")) != NULL) { |
| 2210 | int found = 0; |
| 2211 | |
| 2212 | if (!strncmp(opt, "all", 3)) { |
| 2213 | log_info("fio: set all debug options\n"); |
| 2214 | fio_debug = ~0UL; |
| 2215 | continue; |
| 2216 | } |
| 2217 | |
| 2218 | for (i = 0; debug_levels[i].name; i++) { |
| 2219 | dl = &debug_levels[i]; |
| 2220 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
| 2221 | if (!found) |
| 2222 | continue; |
| 2223 | |
| 2224 | if (dl->shift == FD_JOB) { |
| 2225 | opt = strchr(opt, ':'); |
| 2226 | if (!opt) { |
| 2227 | log_err("fio: missing job number\n"); |
| 2228 | break; |
| 2229 | } |
| 2230 | opt++; |
| 2231 | fio_debug_jobno = atoi(opt); |
| 2232 | log_info("fio: set debug jobno %d\n", |
| 2233 | fio_debug_jobno); |
| 2234 | } else { |
| 2235 | log_info("fio: set debug option %s\n", opt); |
| 2236 | fio_debug |= (1UL << dl->shift); |
| 2237 | } |
| 2238 | break; |
| 2239 | } |
| 2240 | |
| 2241 | if (!found) |
| 2242 | log_err("fio: debug mask %s not found\n", opt); |
| 2243 | } |
| 2244 | return 0; |
| 2245 | } |
| 2246 | #else |
| 2247 | static int set_debug(const char *string) |
| 2248 | { |
| 2249 | log_err("fio: debug tracing not included in build\n"); |
| 2250 | return 1; |
| 2251 | } |
| 2252 | #endif |
| 2253 | |
| 2254 | static void fio_options_fill_optstring(void) |
| 2255 | { |
| 2256 | char *ostr = cmd_optstr; |
| 2257 | int i, c; |
| 2258 | |
| 2259 | c = i = 0; |
| 2260 | while (l_opts[i].name) { |
| 2261 | ostr[c++] = l_opts[i].val; |
| 2262 | if (l_opts[i].has_arg == required_argument) |
| 2263 | ostr[c++] = ':'; |
| 2264 | else if (l_opts[i].has_arg == optional_argument) { |
| 2265 | ostr[c++] = ':'; |
| 2266 | ostr[c++] = ':'; |
| 2267 | } |
| 2268 | i++; |
| 2269 | } |
| 2270 | ostr[c] = '\0'; |
| 2271 | } |
| 2272 | |
| 2273 | static int client_flag_set(char c) |
| 2274 | { |
| 2275 | int i; |
| 2276 | |
| 2277 | i = 0; |
| 2278 | while (l_opts[i].name) { |
| 2279 | int val = l_opts[i].val; |
| 2280 | |
| 2281 | if (c == (val & 0xff)) |
| 2282 | return (val & FIO_CLIENT_FLAG); |
| 2283 | |
| 2284 | i++; |
| 2285 | } |
| 2286 | |
| 2287 | return 0; |
| 2288 | } |
| 2289 | |
| 2290 | static void parse_cmd_client(void *client, char *opt) |
| 2291 | { |
| 2292 | fio_client_add_cmd_option(client, opt); |
| 2293 | } |
| 2294 | |
| 2295 | static void show_closest_option(const char *name) |
| 2296 | { |
| 2297 | int best_option, best_distance; |
| 2298 | int i, distance; |
| 2299 | |
| 2300 | while (*name == '-') |
| 2301 | name++; |
| 2302 | |
| 2303 | best_option = -1; |
| 2304 | best_distance = INT_MAX; |
| 2305 | i = 0; |
| 2306 | while (l_opts[i].name) { |
| 2307 | distance = string_distance(name, l_opts[i].name); |
| 2308 | if (distance < best_distance) { |
| 2309 | best_distance = distance; |
| 2310 | best_option = i; |
| 2311 | } |
| 2312 | i++; |
| 2313 | } |
| 2314 | |
| 2315 | if (best_option != -1 && string_distance_ok(name, best_distance)) |
| 2316 | log_err("Did you mean %s?\n", l_opts[best_option].name); |
| 2317 | } |
| 2318 | |
| 2319 | static int parse_output_format(const char *optarg) |
| 2320 | { |
| 2321 | char *p, *orig, *opt; |
| 2322 | int ret = 0; |
| 2323 | |
| 2324 | p = orig = strdup(optarg); |
| 2325 | |
| 2326 | output_format = 0; |
| 2327 | |
| 2328 | while ((opt = strsep(&p, ",")) != NULL) { |
| 2329 | if (!strcmp(opt, "minimal") || |
| 2330 | !strcmp(opt, "terse") || |
| 2331 | !strcmp(opt, "csv")) |
| 2332 | output_format |= FIO_OUTPUT_TERSE; |
| 2333 | else if (!strcmp(opt, "json")) |
| 2334 | output_format |= FIO_OUTPUT_JSON; |
| 2335 | else if (!strcmp(opt, "json+")) |
| 2336 | output_format |= (FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS); |
| 2337 | else if (!strcmp(opt, "normal")) |
| 2338 | output_format |= FIO_OUTPUT_NORMAL; |
| 2339 | else { |
| 2340 | log_err("fio: invalid output format %s\n", opt); |
| 2341 | ret = 1; |
| 2342 | break; |
| 2343 | } |
| 2344 | } |
| 2345 | |
| 2346 | free(orig); |
| 2347 | return ret; |
| 2348 | } |
| 2349 | |
| 2350 | int parse_cmd_line(int argc, char *argv[], int client_type) |
| 2351 | { |
| 2352 | struct thread_data *td = NULL; |
| 2353 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
| 2354 | char *ostr = cmd_optstr; |
| 2355 | char *pid_file = NULL; |
| 2356 | void *cur_client = NULL; |
| 2357 | int backend = 0; |
| 2358 | |
| 2359 | /* |
| 2360 | * Reset optind handling, since we may call this multiple times |
| 2361 | * for the backend. |
| 2362 | */ |
| 2363 | optind = 1; |
| 2364 | |
| 2365 | while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { |
| 2366 | if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) { |
| 2367 | parse_cmd_client(cur_client, argv[optind - 1]); |
| 2368 | c &= ~FIO_CLIENT_FLAG; |
| 2369 | } |
| 2370 | |
| 2371 | switch (c) { |
| 2372 | case 'a': |
| 2373 | smalloc_pool_size = atoi(optarg); |
| 2374 | smalloc_pool_size <<= 10; |
| 2375 | sinit(); |
| 2376 | break; |
| 2377 | case 'l': |
| 2378 | log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n"); |
| 2379 | do_exit++; |
| 2380 | exit_val = 1; |
| 2381 | break; |
| 2382 | case 'b': |
| 2383 | write_bw_log = 1; |
| 2384 | break; |
| 2385 | case 'o': { |
| 2386 | FILE *tmp; |
| 2387 | |
| 2388 | if (f_out && f_out != stdout) |
| 2389 | fclose(f_out); |
| 2390 | |
| 2391 | tmp = fopen(optarg, "w+"); |
| 2392 | if (!tmp) { |
| 2393 | log_err("fio: output file open error: %s\n", strerror(errno)); |
| 2394 | exit_val = 1; |
| 2395 | do_exit++; |
| 2396 | break; |
| 2397 | } |
| 2398 | f_err = f_out = tmp; |
| 2399 | break; |
| 2400 | } |
| 2401 | case 'm': |
| 2402 | output_format = FIO_OUTPUT_TERSE; |
| 2403 | break; |
| 2404 | case 'F': |
| 2405 | if (parse_output_format(optarg)) { |
| 2406 | log_err("fio: failed parsing output-format\n"); |
| 2407 | exit_val = 1; |
| 2408 | do_exit++; |
| 2409 | break; |
| 2410 | } |
| 2411 | break; |
| 2412 | case 'f': |
| 2413 | output_format |= FIO_OUTPUT_TERSE; |
| 2414 | break; |
| 2415 | case 'h': |
| 2416 | did_arg = 1; |
| 2417 | if (!cur_client) { |
| 2418 | usage(argv[0]); |
| 2419 | do_exit++; |
| 2420 | } |
| 2421 | break; |
| 2422 | case 'c': |
| 2423 | did_arg = 1; |
| 2424 | if (!cur_client) { |
| 2425 | fio_show_option_help(optarg); |
| 2426 | do_exit++; |
| 2427 | } |
| 2428 | break; |
| 2429 | case 'i': |
| 2430 | did_arg = 1; |
| 2431 | if (!cur_client) { |
| 2432 | fio_show_ioengine_help(optarg); |
| 2433 | do_exit++; |
| 2434 | } |
| 2435 | break; |
| 2436 | case 's': |
| 2437 | did_arg = 1; |
| 2438 | dump_cmdline = 1; |
| 2439 | break; |
| 2440 | case 'r': |
| 2441 | read_only = 1; |
| 2442 | break; |
| 2443 | case 'v': |
| 2444 | did_arg = 1; |
| 2445 | if (!cur_client) { |
| 2446 | log_info("%s\n", fio_version_string); |
| 2447 | do_exit++; |
| 2448 | } |
| 2449 | break; |
| 2450 | case 'V': |
| 2451 | terse_version = atoi(optarg); |
| 2452 | if (!(terse_version >= 2 && terse_version <= 5)) { |
| 2453 | log_err("fio: bad terse version format\n"); |
| 2454 | exit_val = 1; |
| 2455 | do_exit++; |
| 2456 | } |
| 2457 | break; |
| 2458 | case 'e': |
| 2459 | if (!strcmp("always", optarg)) |
| 2460 | eta_print = FIO_ETA_ALWAYS; |
| 2461 | else if (!strcmp("never", optarg)) |
| 2462 | eta_print = FIO_ETA_NEVER; |
| 2463 | break; |
| 2464 | case 'E': { |
| 2465 | long long t = 0; |
| 2466 | |
| 2467 | if (check_str_time(optarg, &t, 1)) { |
| 2468 | log_err("fio: failed parsing eta time %s\n", optarg); |
| 2469 | exit_val = 1; |
| 2470 | do_exit++; |
| 2471 | } |
| 2472 | eta_new_line = t / 1000; |
| 2473 | break; |
| 2474 | } |
| 2475 | case 'd': |
| 2476 | if (set_debug(optarg)) |
| 2477 | do_exit++; |
| 2478 | break; |
| 2479 | case 'P': |
| 2480 | did_arg = 1; |
| 2481 | parse_only = 1; |
| 2482 | break; |
| 2483 | case 'x': { |
| 2484 | size_t new_size; |
| 2485 | |
| 2486 | if (!strcmp(optarg, "global")) { |
| 2487 | log_err("fio: can't use global as only " |
| 2488 | "section\n"); |
| 2489 | do_exit++; |
| 2490 | exit_val = 1; |
| 2491 | break; |
| 2492 | } |
| 2493 | new_size = (nr_job_sections + 1) * sizeof(char *); |
| 2494 | job_sections = realloc(job_sections, new_size); |
| 2495 | job_sections[nr_job_sections] = strdup(optarg); |
| 2496 | nr_job_sections++; |
| 2497 | break; |
| 2498 | } |
| 2499 | #ifdef CONFIG_ZLIB |
| 2500 | case 'X': |
| 2501 | exit_val = iolog_file_inflate(optarg); |
| 2502 | did_arg++; |
| 2503 | do_exit++; |
| 2504 | break; |
| 2505 | #endif |
| 2506 | case 'p': |
| 2507 | did_arg = 1; |
| 2508 | if (exec_profile) |
| 2509 | free(exec_profile); |
| 2510 | exec_profile = strdup(optarg); |
| 2511 | break; |
| 2512 | case FIO_GETOPT_JOB: { |
| 2513 | const char *opt = l_opts[lidx].name; |
| 2514 | char *val = optarg; |
| 2515 | |
| 2516 | if (!strncmp(opt, "name", 4) && td) { |
| 2517 | ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); |
| 2518 | if (ret) |
| 2519 | goto out_free; |
| 2520 | td = NULL; |
| 2521 | did_arg = 1; |
| 2522 | } |
| 2523 | if (!td) { |
| 2524 | int is_section = !strncmp(opt, "name", 4); |
| 2525 | int global = 0; |
| 2526 | |
| 2527 | if (!is_section || !strncmp(val, "global", 6)) |
| 2528 | global = 1; |
| 2529 | |
| 2530 | if (is_section && skip_this_section(val)) |
| 2531 | continue; |
| 2532 | |
| 2533 | td = get_new_job(global, &def_thread, true, NULL); |
| 2534 | if (!td || ioengine_load(td)) { |
| 2535 | if (td) { |
| 2536 | put_job(td); |
| 2537 | td = NULL; |
| 2538 | } |
| 2539 | do_exit++; |
| 2540 | exit_val = 1; |
| 2541 | break; |
| 2542 | } |
| 2543 | fio_options_set_ioengine_opts(l_opts, td); |
| 2544 | } |
| 2545 | |
| 2546 | if ((!val || !strlen(val)) && |
| 2547 | l_opts[lidx].has_arg == required_argument) { |
| 2548 | log_err("fio: option %s requires an argument\n", opt); |
| 2549 | ret = 1; |
| 2550 | } else |
| 2551 | ret = fio_cmd_option_parse(td, opt, val); |
| 2552 | |
| 2553 | if (ret) { |
| 2554 | if (td) { |
| 2555 | put_job(td); |
| 2556 | td = NULL; |
| 2557 | } |
| 2558 | do_exit++; |
| 2559 | exit_val = 1; |
| 2560 | } |
| 2561 | |
| 2562 | if (!ret && !strcmp(opt, "ioengine")) { |
| 2563 | if (ioengine_load(td)) { |
| 2564 | put_job(td); |
| 2565 | td = NULL; |
| 2566 | do_exit++; |
| 2567 | exit_val = 1; |
| 2568 | break; |
| 2569 | } |
| 2570 | fio_options_set_ioengine_opts(l_opts, td); |
| 2571 | } |
| 2572 | break; |
| 2573 | } |
| 2574 | case FIO_GETOPT_IOENGINE: { |
| 2575 | const char *opt = l_opts[lidx].name; |
| 2576 | char *val = optarg; |
| 2577 | |
| 2578 | if (!td) |
| 2579 | break; |
| 2580 | |
| 2581 | ret = fio_cmd_ioengine_option_parse(td, opt, val); |
| 2582 | break; |
| 2583 | } |
| 2584 | case 'w': |
| 2585 | warnings_fatal = 1; |
| 2586 | break; |
| 2587 | case 'j': |
| 2588 | max_jobs = atoi(optarg); |
| 2589 | if (!max_jobs || max_jobs > REAL_MAX_JOBS) { |
| 2590 | log_err("fio: invalid max jobs: %d\n", max_jobs); |
| 2591 | do_exit++; |
| 2592 | exit_val = 1; |
| 2593 | } |
| 2594 | break; |
| 2595 | case 'S': |
| 2596 | did_arg = 1; |
| 2597 | #ifndef CONFIG_NO_SHM |
| 2598 | if (nr_clients) { |
| 2599 | log_err("fio: can't be both client and server\n"); |
| 2600 | do_exit++; |
| 2601 | exit_val = 1; |
| 2602 | break; |
| 2603 | } |
| 2604 | if (optarg) |
| 2605 | fio_server_set_arg(optarg); |
| 2606 | is_backend = 1; |
| 2607 | backend = 1; |
| 2608 | #else |
| 2609 | log_err("fio: client/server requires SHM support\n"); |
| 2610 | do_exit++; |
| 2611 | exit_val = 1; |
| 2612 | #endif |
| 2613 | break; |
| 2614 | case 'D': |
| 2615 | if (pid_file) |
| 2616 | free(pid_file); |
| 2617 | pid_file = strdup(optarg); |
| 2618 | break; |
| 2619 | case 'I': |
| 2620 | if ((ret = fio_idle_prof_parse_opt(optarg))) { |
| 2621 | /* exit on error and calibration only */ |
| 2622 | did_arg = 1; |
| 2623 | do_exit++; |
| 2624 | if (ret == -1) |
| 2625 | exit_val = 1; |
| 2626 | } |
| 2627 | break; |
| 2628 | case 'C': |
| 2629 | did_arg = 1; |
| 2630 | if (is_backend) { |
| 2631 | log_err("fio: can't be both client and server\n"); |
| 2632 | do_exit++; |
| 2633 | exit_val = 1; |
| 2634 | break; |
| 2635 | } |
| 2636 | /* if --client parameter contains a pathname */ |
| 2637 | if (0 == access(optarg, R_OK)) { |
| 2638 | /* file contains a list of host addrs or names */ |
| 2639 | char hostaddr[PATH_MAX] = {0}; |
| 2640 | char formatstr[8]; |
| 2641 | FILE * hostf = fopen(optarg, "r"); |
| 2642 | if (!hostf) { |
| 2643 | log_err("fio: could not open client list file %s for read\n", optarg); |
| 2644 | do_exit++; |
| 2645 | exit_val = 1; |
| 2646 | break; |
| 2647 | } |
| 2648 | sprintf(formatstr, "%%%ds", PATH_MAX - 1); |
| 2649 | /* |
| 2650 | * read at most PATH_MAX-1 chars from each |
| 2651 | * record in this file |
| 2652 | */ |
| 2653 | while (fscanf(hostf, formatstr, hostaddr) == 1) { |
| 2654 | /* expect EVERY host in file to be valid */ |
| 2655 | if (fio_client_add(&fio_client_ops, hostaddr, &cur_client)) { |
| 2656 | log_err("fio: failed adding client %s from file %s\n", hostaddr, optarg); |
| 2657 | do_exit++; |
| 2658 | exit_val = 1; |
| 2659 | break; |
| 2660 | } |
| 2661 | } |
| 2662 | fclose(hostf); |
| 2663 | break; /* no possibility of job file for "this client only" */ |
| 2664 | } |
| 2665 | if (fio_client_add(&fio_client_ops, optarg, &cur_client)) { |
| 2666 | log_err("fio: failed adding client %s\n", optarg); |
| 2667 | do_exit++; |
| 2668 | exit_val = 1; |
| 2669 | break; |
| 2670 | } |
| 2671 | /* |
| 2672 | * If the next argument exists and isn't an option, |
| 2673 | * assume it's a job file for this client only. |
| 2674 | */ |
| 2675 | while (optind < argc) { |
| 2676 | if (!strncmp(argv[optind], "--", 2) || |
| 2677 | !strncmp(argv[optind], "-", 1)) |
| 2678 | break; |
| 2679 | |
| 2680 | if (fio_client_add_ini_file(cur_client, argv[optind], false)) |
| 2681 | break; |
| 2682 | optind++; |
| 2683 | } |
| 2684 | break; |
| 2685 | case 'R': |
| 2686 | did_arg = 1; |
| 2687 | if (fio_client_add_ini_file(cur_client, optarg, true)) { |
| 2688 | do_exit++; |
| 2689 | exit_val = 1; |
| 2690 | } |
| 2691 | break; |
| 2692 | case 'T': |
| 2693 | did_arg = 1; |
| 2694 | do_exit++; |
| 2695 | exit_val = fio_monotonic_clocktest(1); |
| 2696 | break; |
| 2697 | case 'G': |
| 2698 | did_arg = 1; |
| 2699 | do_exit++; |
| 2700 | exit_val = fio_crctest(optarg); |
| 2701 | break; |
| 2702 | case 'L': { |
| 2703 | long long val; |
| 2704 | |
| 2705 | if (check_str_time(optarg, &val, 1)) { |
| 2706 | log_err("fio: failed parsing time %s\n", optarg); |
| 2707 | do_exit++; |
| 2708 | exit_val = 1; |
| 2709 | break; |
| 2710 | } |
| 2711 | status_interval = val / 1000; |
| 2712 | break; |
| 2713 | } |
| 2714 | case 'W': |
| 2715 | if (trigger_file) |
| 2716 | free(trigger_file); |
| 2717 | trigger_file = strdup(optarg); |
| 2718 | break; |
| 2719 | case 'H': |
| 2720 | if (trigger_cmd) |
| 2721 | free(trigger_cmd); |
| 2722 | trigger_cmd = strdup(optarg); |
| 2723 | break; |
| 2724 | case 'J': |
| 2725 | if (trigger_remote_cmd) |
| 2726 | free(trigger_remote_cmd); |
| 2727 | trigger_remote_cmd = strdup(optarg); |
| 2728 | break; |
| 2729 | case 'K': |
| 2730 | if (aux_path) |
| 2731 | free(aux_path); |
| 2732 | aux_path = strdup(optarg); |
| 2733 | break; |
| 2734 | case 'B': |
| 2735 | if (check_str_time(optarg, &trigger_timeout, 1)) { |
| 2736 | log_err("fio: failed parsing time %s\n", optarg); |
| 2737 | do_exit++; |
| 2738 | exit_val = 1; |
| 2739 | } |
| 2740 | trigger_timeout /= 1000000; |
| 2741 | break; |
| 2742 | case '?': |
| 2743 | log_err("%s: unrecognized option '%s'\n", argv[0], |
| 2744 | argv[optind - 1]); |
| 2745 | show_closest_option(argv[optind - 1]); |
| 2746 | default: |
| 2747 | do_exit++; |
| 2748 | exit_val = 1; |
| 2749 | break; |
| 2750 | } |
| 2751 | if (do_exit) |
| 2752 | break; |
| 2753 | } |
| 2754 | |
| 2755 | if (do_exit && !(is_backend || nr_clients)) |
| 2756 | exit(exit_val); |
| 2757 | |
| 2758 | if (nr_clients && fio_clients_connect()) |
| 2759 | exit(1); |
| 2760 | |
| 2761 | if (is_backend && backend) |
| 2762 | return fio_start_server(pid_file); |
| 2763 | else if (pid_file) |
| 2764 | free(pid_file); |
| 2765 | |
| 2766 | if (td) { |
| 2767 | if (!ret) { |
| 2768 | ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type); |
| 2769 | if (ret) |
| 2770 | exit(1); |
| 2771 | } |
| 2772 | } |
| 2773 | |
| 2774 | while (!ret && optind < argc) { |
| 2775 | ini_idx++; |
| 2776 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); |
| 2777 | ini_file[ini_idx - 1] = strdup(argv[optind]); |
| 2778 | optind++; |
| 2779 | } |
| 2780 | |
| 2781 | out_free: |
| 2782 | return ini_idx; |
| 2783 | } |
| 2784 | |
| 2785 | int fio_init_options(void) |
| 2786 | { |
| 2787 | f_out = stdout; |
| 2788 | f_err = stderr; |
| 2789 | |
| 2790 | fio_options_fill_optstring(); |
| 2791 | fio_options_dup_and_init(l_opts); |
| 2792 | |
| 2793 | atexit(free_shm); |
| 2794 | |
| 2795 | if (fill_def_thread()) |
| 2796 | return 1; |
| 2797 | |
| 2798 | return 0; |
| 2799 | } |
| 2800 | |
| 2801 | extern int fio_check_options(struct thread_options *); |
| 2802 | |
| 2803 | int parse_options(int argc, char *argv[]) |
| 2804 | { |
| 2805 | const int type = FIO_CLIENT_TYPE_CLI; |
| 2806 | int job_files, i; |
| 2807 | |
| 2808 | if (fio_init_options()) |
| 2809 | return 1; |
| 2810 | if (fio_test_cconv(&def_thread.o)) |
| 2811 | log_err("fio: failed internal cconv test\n"); |
| 2812 | |
| 2813 | job_files = parse_cmd_line(argc, argv, type); |
| 2814 | |
| 2815 | if (job_files > 0) { |
| 2816 | for (i = 0; i < job_files; i++) { |
| 2817 | if (i && fill_def_thread()) |
| 2818 | return 1; |
| 2819 | if (nr_clients) { |
| 2820 | if (fio_clients_send_ini(ini_file[i])) |
| 2821 | return 1; |
| 2822 | free(ini_file[i]); |
| 2823 | } else if (!is_backend) { |
| 2824 | if (parse_jobs_ini(ini_file[i], 0, i, type)) |
| 2825 | return 1; |
| 2826 | free(ini_file[i]); |
| 2827 | } |
| 2828 | } |
| 2829 | } else if (nr_clients) { |
| 2830 | if (fill_def_thread()) |
| 2831 | return 1; |
| 2832 | if (fio_clients_send_ini(NULL)) |
| 2833 | return 1; |
| 2834 | } |
| 2835 | |
| 2836 | free(ini_file); |
| 2837 | fio_options_free(&def_thread); |
| 2838 | filesetup_mem_free(); |
| 2839 | |
| 2840 | if (!thread_number) { |
| 2841 | if (parse_dryrun()) |
| 2842 | return 0; |
| 2843 | if (exec_profile) |
| 2844 | return 0; |
| 2845 | if (is_backend || nr_clients) |
| 2846 | return 0; |
| 2847 | if (did_arg) |
| 2848 | return 0; |
| 2849 | |
| 2850 | log_err("No job(s) defined\n\n"); |
| 2851 | |
| 2852 | if (!did_arg) { |
| 2853 | usage(argv[0]); |
| 2854 | return 1; |
| 2855 | } |
| 2856 | |
| 2857 | return 0; |
| 2858 | } |
| 2859 | |
| 2860 | if (output_format & FIO_OUTPUT_NORMAL) |
| 2861 | log_info("%s\n", fio_version_string); |
| 2862 | |
| 2863 | return 0; |
| 2864 | } |
| 2865 | |
| 2866 | void options_default_fill(struct thread_options *o) |
| 2867 | { |
| 2868 | memcpy(o, &def_thread.o, sizeof(*o)); |
| 2869 | } |
| 2870 | |
| 2871 | struct thread_data *get_global_options(void) |
| 2872 | { |
| 2873 | return &def_thread; |
| 2874 | } |