| 1 | #ifndef FIO_H |
| 2 | #define FIO_H |
| 3 | |
| 4 | #include <sched.h> |
| 5 | #include <limits.h> |
| 6 | #include <pthread.h> |
| 7 | #include <sys/time.h> |
| 8 | #include <sys/resource.h> |
| 9 | #include <errno.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <stdio.h> |
| 12 | #include <unistd.h> |
| 13 | #include <string.h> |
| 14 | #include <inttypes.h> |
| 15 | #include <assert.h> |
| 16 | |
| 17 | struct thread_data; |
| 18 | |
| 19 | #include "compiler/compiler.h" |
| 20 | #include "flist.h" |
| 21 | #include "fifo.h" |
| 22 | #include "rbtree.h" |
| 23 | #include "arch/arch.h" |
| 24 | #include "os/os.h" |
| 25 | #include "mutex.h" |
| 26 | #include "log.h" |
| 27 | #include "debug.h" |
| 28 | #include "file.h" |
| 29 | #include "io_ddir.h" |
| 30 | #include "ioengine.h" |
| 31 | #include "iolog.h" |
| 32 | #include "helpers.h" |
| 33 | #include "options.h" |
| 34 | #include "profile.h" |
| 35 | #include "time.h" |
| 36 | #include "gettime.h" |
| 37 | #include "lib/getopt.h" |
| 38 | #include "lib/rand.h" |
| 39 | #include "server.h" |
| 40 | #include "stat.h" |
| 41 | #include "flow.h" |
| 42 | |
| 43 | #ifdef FIO_HAVE_GUASI |
| 44 | #include <guasi.h> |
| 45 | #endif |
| 46 | |
| 47 | #ifdef FIO_HAVE_SOLARISAIO |
| 48 | #include <sys/asynch.h> |
| 49 | #endif |
| 50 | |
| 51 | /* |
| 52 | * What type of allocation to use for io buffers |
| 53 | */ |
| 54 | enum fio_memtype { |
| 55 | MEM_MALLOC = 0, /* ordinary malloc */ |
| 56 | MEM_SHM, /* use shared memory segments */ |
| 57 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
| 58 | MEM_MMAP, /* use anonynomous mmap */ |
| 59 | MEM_MMAPHUGE, /* memory mapped huge file */ |
| 60 | }; |
| 61 | |
| 62 | /* |
| 63 | * offset generator types |
| 64 | */ |
| 65 | enum { |
| 66 | RW_SEQ_SEQ = 0, |
| 67 | RW_SEQ_IDENT, |
| 68 | }; |
| 69 | |
| 70 | /* |
| 71 | * What type of errors to continue on when continue_on_error is used |
| 72 | */ |
| 73 | enum error_type { |
| 74 | ERROR_TYPE_NONE = 0, |
| 75 | ERROR_TYPE_READ = 1 << 0, |
| 76 | ERROR_TYPE_WRITE = 1 << 1, |
| 77 | ERROR_TYPE_VERIFY = 1 << 2, |
| 78 | ERROR_TYPE_ANY = 0xffff, |
| 79 | }; |
| 80 | |
| 81 | struct bssplit { |
| 82 | unsigned int bs; |
| 83 | unsigned char perc; |
| 84 | }; |
| 85 | |
| 86 | struct thread_options { |
| 87 | int pad; |
| 88 | char *description; |
| 89 | char *name; |
| 90 | char *directory; |
| 91 | char *filename; |
| 92 | char *opendir; |
| 93 | char *ioengine; |
| 94 | enum td_ddir td_ddir; |
| 95 | unsigned int rw_seq; |
| 96 | unsigned int kb_base; |
| 97 | unsigned int ddir_seq_nr; |
| 98 | long ddir_seq_add; |
| 99 | unsigned int iodepth; |
| 100 | unsigned int iodepth_low; |
| 101 | unsigned int iodepth_batch; |
| 102 | unsigned int iodepth_batch_complete; |
| 103 | |
| 104 | unsigned long long size; |
| 105 | unsigned int size_percent; |
| 106 | unsigned int fill_device; |
| 107 | unsigned long long file_size_low; |
| 108 | unsigned long long file_size_high; |
| 109 | unsigned long long start_offset; |
| 110 | |
| 111 | unsigned int bs[DDIR_RWDIR_CNT]; |
| 112 | unsigned int ba[DDIR_RWDIR_CNT]; |
| 113 | unsigned int min_bs[DDIR_RWDIR_CNT]; |
| 114 | unsigned int max_bs[DDIR_RWDIR_CNT]; |
| 115 | struct bssplit *bssplit[DDIR_RWDIR_CNT]; |
| 116 | unsigned int bssplit_nr[DDIR_RWDIR_CNT]; |
| 117 | |
| 118 | unsigned int nr_files; |
| 119 | unsigned int open_files; |
| 120 | enum file_lock_mode file_lock_mode; |
| 121 | unsigned int lockfile_batch; |
| 122 | |
| 123 | unsigned int odirect; |
| 124 | unsigned int invalidate_cache; |
| 125 | unsigned int create_serialize; |
| 126 | unsigned int create_fsync; |
| 127 | unsigned int create_on_open; |
| 128 | unsigned int create_only; |
| 129 | unsigned int end_fsync; |
| 130 | unsigned int pre_read; |
| 131 | unsigned int sync_io; |
| 132 | unsigned int verify; |
| 133 | unsigned int do_verify; |
| 134 | unsigned int verifysort; |
| 135 | unsigned int verify_interval; |
| 136 | unsigned int verify_offset; |
| 137 | char verify_pattern[MAX_PATTERN_SIZE]; |
| 138 | unsigned int verify_pattern_bytes; |
| 139 | unsigned int verify_fatal; |
| 140 | unsigned int verify_dump; |
| 141 | unsigned int verify_async; |
| 142 | unsigned long long verify_backlog; |
| 143 | unsigned int verify_batch; |
| 144 | unsigned int use_thread; |
| 145 | unsigned int unlink; |
| 146 | unsigned int do_disk_util; |
| 147 | unsigned int override_sync; |
| 148 | unsigned int rand_repeatable; |
| 149 | unsigned int use_os_rand; |
| 150 | unsigned int write_lat_log; |
| 151 | unsigned int write_bw_log; |
| 152 | unsigned int write_iops_log; |
| 153 | unsigned int log_avg_msec; |
| 154 | unsigned int norandommap; |
| 155 | unsigned int softrandommap; |
| 156 | unsigned int bs_unaligned; |
| 157 | unsigned int fsync_on_close; |
| 158 | |
| 159 | unsigned int hugepage_size; |
| 160 | unsigned int rw_min_bs; |
| 161 | unsigned int thinktime; |
| 162 | unsigned int thinktime_spin; |
| 163 | unsigned int thinktime_blocks; |
| 164 | unsigned int fsync_blocks; |
| 165 | unsigned int fdatasync_blocks; |
| 166 | unsigned int barrier_blocks; |
| 167 | unsigned long long start_delay; |
| 168 | unsigned long long timeout; |
| 169 | unsigned long long ramp_time; |
| 170 | unsigned int overwrite; |
| 171 | unsigned int bw_avg_time; |
| 172 | unsigned int iops_avg_time; |
| 173 | unsigned int loops; |
| 174 | unsigned long long zone_range; |
| 175 | unsigned long long zone_size; |
| 176 | unsigned long long zone_skip; |
| 177 | enum fio_memtype mem_type; |
| 178 | unsigned int mem_align; |
| 179 | |
| 180 | unsigned int stonewall; |
| 181 | unsigned int new_group; |
| 182 | unsigned int numjobs; |
| 183 | os_cpu_mask_t cpumask; |
| 184 | unsigned int cpumask_set; |
| 185 | os_cpu_mask_t verify_cpumask; |
| 186 | unsigned int verify_cpumask_set; |
| 187 | unsigned int iolog; |
| 188 | unsigned int rwmixcycle; |
| 189 | unsigned int rwmix[2]; |
| 190 | unsigned int nice; |
| 191 | unsigned int file_service_type; |
| 192 | unsigned int group_reporting; |
| 193 | unsigned int fadvise_hint; |
| 194 | enum fio_fallocate_mode fallocate_mode; |
| 195 | unsigned int zero_buffers; |
| 196 | unsigned int refill_buffers; |
| 197 | unsigned int scramble_buffers; |
| 198 | unsigned int compress_percentage; |
| 199 | unsigned int compress_chunk; |
| 200 | unsigned int time_based; |
| 201 | unsigned int disable_lat; |
| 202 | unsigned int disable_clat; |
| 203 | unsigned int disable_slat; |
| 204 | unsigned int disable_bw; |
| 205 | unsigned int gtod_reduce; |
| 206 | unsigned int gtod_cpu; |
| 207 | unsigned int gtod_offload; |
| 208 | enum fio_cs clocksource; |
| 209 | unsigned int no_stall; |
| 210 | unsigned int trim_percentage; |
| 211 | unsigned int trim_batch; |
| 212 | unsigned int trim_zero; |
| 213 | unsigned long long trim_backlog; |
| 214 | unsigned int clat_percentiles; |
| 215 | unsigned int overwrite_plist; |
| 216 | fio_fp64_t percentile_list[FIO_IO_U_LIST_MAX_LEN]; |
| 217 | |
| 218 | char *read_iolog_file; |
| 219 | char *write_iolog_file; |
| 220 | char *bw_log_file; |
| 221 | char *lat_log_file; |
| 222 | char *iops_log_file; |
| 223 | char *replay_redirect; |
| 224 | |
| 225 | /* |
| 226 | * Pre-run and post-run shell |
| 227 | */ |
| 228 | char *exec_prerun; |
| 229 | char *exec_postrun; |
| 230 | |
| 231 | unsigned int rate[DDIR_RWDIR_CNT]; |
| 232 | unsigned int ratemin[DDIR_RWDIR_CNT]; |
| 233 | unsigned int ratecycle; |
| 234 | unsigned int rate_iops[DDIR_RWDIR_CNT]; |
| 235 | unsigned int rate_iops_min[DDIR_RWDIR_CNT]; |
| 236 | |
| 237 | char *ioscheduler; |
| 238 | |
| 239 | /* |
| 240 | * CPU "io" cycle burner |
| 241 | */ |
| 242 | unsigned int cpuload; |
| 243 | unsigned int cpucycle; |
| 244 | |
| 245 | /* |
| 246 | * I/O Error handling |
| 247 | */ |
| 248 | enum error_type continue_on_error; |
| 249 | |
| 250 | /* |
| 251 | * Benchmark profile type |
| 252 | */ |
| 253 | char *profile; |
| 254 | |
| 255 | /* |
| 256 | * blkio cgroup support |
| 257 | */ |
| 258 | char *cgroup; |
| 259 | unsigned int cgroup_weight; |
| 260 | unsigned int cgroup_nodelete; |
| 261 | |
| 262 | unsigned int uid; |
| 263 | unsigned int gid; |
| 264 | |
| 265 | int flow_id; |
| 266 | int flow; |
| 267 | int flow_watermark; |
| 268 | unsigned int flow_sleep; |
| 269 | |
| 270 | unsigned long long offset_increment; |
| 271 | |
| 272 | unsigned int sync_file_range; |
| 273 | }; |
| 274 | |
| 275 | /* |
| 276 | * This describes a single thread/process executing a fio job. |
| 277 | */ |
| 278 | struct thread_data { |
| 279 | struct thread_options o; |
| 280 | void *eo; |
| 281 | char verror[FIO_VERROR_SIZE]; |
| 282 | pthread_t thread; |
| 283 | int thread_number; |
| 284 | int groupid; |
| 285 | struct thread_stat ts; |
| 286 | |
| 287 | struct io_log *slat_log; |
| 288 | struct io_log *clat_log; |
| 289 | struct io_log *lat_log; |
| 290 | struct io_log *bw_log; |
| 291 | struct io_log *iops_log; |
| 292 | |
| 293 | uint64_t stat_io_bytes[DDIR_RWDIR_CNT]; |
| 294 | struct timeval bw_sample_time; |
| 295 | |
| 296 | uint64_t stat_io_blocks[DDIR_RWDIR_CNT]; |
| 297 | struct timeval iops_sample_time; |
| 298 | |
| 299 | struct rusage ru_start; |
| 300 | struct rusage ru_end; |
| 301 | |
| 302 | struct fio_file **files; |
| 303 | unsigned int files_size; |
| 304 | unsigned int files_index; |
| 305 | unsigned int nr_open_files; |
| 306 | unsigned int nr_done_files; |
| 307 | unsigned int nr_normal_files; |
| 308 | union { |
| 309 | unsigned int next_file; |
| 310 | os_random_state_t next_file_state; |
| 311 | struct frand_state __next_file_state; |
| 312 | }; |
| 313 | int error; |
| 314 | int sig; |
| 315 | int done; |
| 316 | pid_t pid; |
| 317 | char *orig_buffer; |
| 318 | size_t orig_buffer_size; |
| 319 | volatile int terminate; |
| 320 | volatile int runstate; |
| 321 | unsigned int ioprio; |
| 322 | unsigned int ioprio_set; |
| 323 | unsigned int last_was_sync; |
| 324 | enum fio_ddir last_ddir; |
| 325 | |
| 326 | char *mmapfile; |
| 327 | int mmapfd; |
| 328 | |
| 329 | void *iolog_buf; |
| 330 | FILE *iolog_f; |
| 331 | |
| 332 | char *sysfs_root; |
| 333 | |
| 334 | unsigned long rand_seeds[8]; |
| 335 | |
| 336 | union { |
| 337 | os_random_state_t bsrange_state; |
| 338 | struct frand_state __bsrange_state; |
| 339 | }; |
| 340 | union { |
| 341 | os_random_state_t verify_state; |
| 342 | struct frand_state __verify_state; |
| 343 | }; |
| 344 | union { |
| 345 | os_random_state_t trim_state; |
| 346 | struct frand_state __trim_state; |
| 347 | }; |
| 348 | |
| 349 | struct frand_state buf_state; |
| 350 | |
| 351 | unsigned int verify_batch; |
| 352 | unsigned int trim_batch; |
| 353 | |
| 354 | int shm_id; |
| 355 | |
| 356 | /* |
| 357 | * IO engine hooks, contains everything needed to submit an io_u |
| 358 | * to any of the available IO engines. |
| 359 | */ |
| 360 | struct ioengine_ops *io_ops; |
| 361 | |
| 362 | /* |
| 363 | * Queue depth of io_u's that fio MIGHT do |
| 364 | */ |
| 365 | unsigned int cur_depth; |
| 366 | |
| 367 | /* |
| 368 | * io_u's about to be committed |
| 369 | */ |
| 370 | unsigned int io_u_queued; |
| 371 | |
| 372 | /* |
| 373 | * io_u's submitted but not completed yet |
| 374 | */ |
| 375 | unsigned int io_u_in_flight; |
| 376 | |
| 377 | /* |
| 378 | * List of free and busy io_u's |
| 379 | */ |
| 380 | struct flist_head io_u_freelist; |
| 381 | struct flist_head io_u_busylist; |
| 382 | struct flist_head io_u_requeues; |
| 383 | pthread_mutex_t io_u_lock; |
| 384 | pthread_cond_t free_cond; |
| 385 | |
| 386 | /* |
| 387 | * async verify offload |
| 388 | */ |
| 389 | struct flist_head verify_list; |
| 390 | pthread_t *verify_threads; |
| 391 | unsigned int nr_verify_threads; |
| 392 | pthread_cond_t verify_cond; |
| 393 | int verify_thread_exit; |
| 394 | |
| 395 | /* |
| 396 | * Rate state |
| 397 | */ |
| 398 | unsigned long long rate_bps[DDIR_RWDIR_CNT]; |
| 399 | long rate_pending_usleep[DDIR_RWDIR_CNT]; |
| 400 | unsigned long rate_bytes[DDIR_RWDIR_CNT]; |
| 401 | unsigned long rate_blocks[DDIR_RWDIR_CNT]; |
| 402 | struct timeval lastrate[DDIR_RWDIR_CNT]; |
| 403 | |
| 404 | unsigned long long total_io_size; |
| 405 | unsigned long long fill_device_size; |
| 406 | |
| 407 | unsigned long io_issues[DDIR_RWDIR_CNT]; |
| 408 | unsigned long long io_blocks[DDIR_RWDIR_CNT]; |
| 409 | unsigned long long this_io_blocks[DDIR_RWDIR_CNT]; |
| 410 | unsigned long long io_bytes[DDIR_RWDIR_CNT]; |
| 411 | unsigned long long io_skip_bytes; |
| 412 | unsigned long long this_io_bytes[DDIR_RWDIR_CNT]; |
| 413 | unsigned long long zone_bytes; |
| 414 | struct fio_mutex *mutex; |
| 415 | |
| 416 | /* |
| 417 | * State for random io, a bitmap of blocks done vs not done |
| 418 | */ |
| 419 | union { |
| 420 | os_random_state_t random_state; |
| 421 | struct frand_state __random_state; |
| 422 | }; |
| 423 | |
| 424 | struct timeval start; /* start of this loop */ |
| 425 | struct timeval epoch; /* time job was started */ |
| 426 | struct timeval last_issue; |
| 427 | struct timeval tv_cache; |
| 428 | unsigned int tv_cache_nr; |
| 429 | unsigned int tv_cache_mask; |
| 430 | unsigned int ramp_time_over; |
| 431 | |
| 432 | /* |
| 433 | * read/write mixed workload state |
| 434 | */ |
| 435 | union { |
| 436 | os_random_state_t rwmix_state; |
| 437 | struct frand_state __rwmix_state; |
| 438 | }; |
| 439 | unsigned long rwmix_issues; |
| 440 | enum fio_ddir rwmix_ddir; |
| 441 | unsigned int ddir_seq_nr; |
| 442 | |
| 443 | /* |
| 444 | * IO history logs for verification. We use a tree for sorting, |
| 445 | * if we are overwriting. Otherwise just use a fifo. |
| 446 | */ |
| 447 | struct rb_root io_hist_tree; |
| 448 | struct flist_head io_hist_list; |
| 449 | unsigned long io_hist_len; |
| 450 | |
| 451 | /* |
| 452 | * For IO replaying |
| 453 | */ |
| 454 | struct flist_head io_log_list; |
| 455 | |
| 456 | /* |
| 457 | * For tracking/handling discards |
| 458 | */ |
| 459 | struct flist_head trim_list; |
| 460 | unsigned long trim_entries; |
| 461 | |
| 462 | /* |
| 463 | * for fileservice, how often to switch to a new file |
| 464 | */ |
| 465 | unsigned int file_service_nr; |
| 466 | unsigned int file_service_left; |
| 467 | struct fio_file *file_service_file; |
| 468 | |
| 469 | unsigned int sync_file_range_nr; |
| 470 | |
| 471 | /* |
| 472 | * For generating file sizes |
| 473 | */ |
| 474 | union { |
| 475 | os_random_state_t file_size_state; |
| 476 | struct frand_state __file_size_state; |
| 477 | }; |
| 478 | |
| 479 | /* |
| 480 | * Error counts |
| 481 | */ |
| 482 | unsigned int total_err_count; |
| 483 | int first_error; |
| 484 | |
| 485 | struct fio_flow *flow; |
| 486 | |
| 487 | /* |
| 488 | * Can be overloaded by profiles |
| 489 | */ |
| 490 | struct prof_io_ops prof_io_ops; |
| 491 | void *prof_data; |
| 492 | }; |
| 493 | |
| 494 | /* |
| 495 | * when should interactive ETA output be generated |
| 496 | */ |
| 497 | enum { |
| 498 | FIO_ETA_AUTO, |
| 499 | FIO_ETA_ALWAYS, |
| 500 | FIO_ETA_NEVER, |
| 501 | }; |
| 502 | |
| 503 | #define __td_verror(td, err, msg, func) \ |
| 504 | do { \ |
| 505 | if ((td)->error) \ |
| 506 | break; \ |
| 507 | int e = (err); \ |
| 508 | (td)->error = e; \ |
| 509 | if (!(td)->first_error) \ |
| 510 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
| 511 | } while (0) |
| 512 | |
| 513 | |
| 514 | #define td_clear_error(td) \ |
| 515 | (td)->error = 0; |
| 516 | #define td_verror(td, err, func) \ |
| 517 | __td_verror((td), (err), strerror((err)), (func)) |
| 518 | #define td_vmsg(td, err, msg, func) \ |
| 519 | __td_verror((td), (err), (msg), (func)) |
| 520 | |
| 521 | #define __fio_stringify_1(x) #x |
| 522 | #define __fio_stringify(x) __fio_stringify_1(x) |
| 523 | |
| 524 | extern int exitall_on_terminate; |
| 525 | extern unsigned int thread_number; |
| 526 | extern unsigned int nr_process, nr_thread; |
| 527 | extern int shm_id; |
| 528 | extern int groupid; |
| 529 | extern int terse_output; |
| 530 | extern int temp_stall_ts; |
| 531 | extern unsigned long long mlock_size; |
| 532 | extern uintptr_t page_mask, page_size; |
| 533 | extern int read_only; |
| 534 | extern int eta_print; |
| 535 | extern unsigned long done_secs; |
| 536 | extern char *job_section; |
| 537 | extern int fio_gtod_offload; |
| 538 | extern int fio_gtod_cpu; |
| 539 | extern enum fio_cs fio_clock_source; |
| 540 | extern int warnings_fatal; |
| 541 | extern int terse_version; |
| 542 | extern int is_backend; |
| 543 | extern int nr_clients; |
| 544 | extern int log_syslog; |
| 545 | extern const char fio_version_string[]; |
| 546 | extern const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN]; |
| 547 | |
| 548 | extern struct thread_data *threads; |
| 549 | |
| 550 | static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u) |
| 551 | { |
| 552 | assert(!(io_u->ddir == DDIR_WRITE && !td_write(td))); |
| 553 | } |
| 554 | |
| 555 | #define BLOCKS_PER_MAP (8 * sizeof(unsigned long)) |
| 556 | #define TO_MAP_BLOCK(f, b) (b) |
| 557 | #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP) |
| 558 | #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1)) |
| 559 | |
| 560 | #define REAL_MAX_JOBS 2048 |
| 561 | |
| 562 | #define td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ) |
| 563 | |
| 564 | static inline enum error_type td_error_type(enum fio_ddir ddir, int err) |
| 565 | { |
| 566 | if (err == EILSEQ) |
| 567 | return ERROR_TYPE_VERIFY; |
| 568 | if (ddir == DDIR_READ) |
| 569 | return ERROR_TYPE_READ; |
| 570 | return ERROR_TYPE_WRITE; |
| 571 | } |
| 572 | |
| 573 | static inline void update_error_count(struct thread_data *td, int err) |
| 574 | { |
| 575 | td->total_err_count++; |
| 576 | if (td->total_err_count == 1) |
| 577 | td->first_error = err; |
| 578 | } |
| 579 | |
| 580 | static inline int should_fsync(struct thread_data *td) |
| 581 | { |
| 582 | if (td->last_was_sync) |
| 583 | return 0; |
| 584 | if (td->o.odirect) |
| 585 | return 0; |
| 586 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
| 587 | return 1; |
| 588 | |
| 589 | return 0; |
| 590 | } |
| 591 | |
| 592 | /* |
| 593 | * Init/option functions |
| 594 | */ |
| 595 | extern int __must_check parse_options(int, char **); |
| 596 | extern int parse_jobs_ini(char *, int, int); |
| 597 | extern int parse_cmd_line(int, char **); |
| 598 | extern int fio_backend(void); |
| 599 | extern void reset_fio_state(void); |
| 600 | extern void clear_io_state(struct thread_data *); |
| 601 | extern int fio_options_parse(struct thread_data *, char **, int); |
| 602 | extern void fio_keywords_init(void); |
| 603 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); |
| 604 | extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *); |
| 605 | extern void fio_fill_default_options(struct thread_data *); |
| 606 | extern int fio_show_option_help(const char *); |
| 607 | extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td); |
| 608 | extern void fio_options_dup_and_init(struct option *); |
| 609 | extern void fio_options_mem_dupe(struct thread_data *); |
| 610 | extern void options_mem_dupe(void *data, struct fio_option *options); |
| 611 | extern void td_fill_rand_seeds(struct thread_data *); |
| 612 | extern void add_job_opts(const char **); |
| 613 | extern char *num2str(unsigned long, int, int, int); |
| 614 | extern int ioengine_load(struct thread_data *); |
| 615 | |
| 616 | #define FIO_GETOPT_JOB 0x89000000 |
| 617 | #define FIO_GETOPT_IOENGINE 0x98000000 |
| 618 | #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128) |
| 619 | |
| 620 | /* |
| 621 | * ETA/status stuff |
| 622 | */ |
| 623 | extern void print_thread_status(void); |
| 624 | extern void print_status_init(int); |
| 625 | |
| 626 | /* |
| 627 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it |
| 628 | * will never back again. It may cycle between running/verififying/fsyncing. |
| 629 | * Once the thread reaches TD_EXITED, it is just waiting for the core to |
| 630 | * reap it. |
| 631 | */ |
| 632 | enum { |
| 633 | TD_NOT_CREATED = 0, |
| 634 | TD_CREATED, |
| 635 | TD_INITIALIZED, |
| 636 | TD_RAMP, |
| 637 | TD_RUNNING, |
| 638 | TD_PRE_READING, |
| 639 | TD_VERIFYING, |
| 640 | TD_FSYNCING, |
| 641 | TD_EXITED, |
| 642 | TD_REAPED, |
| 643 | }; |
| 644 | |
| 645 | extern void td_set_runstate(struct thread_data *, int); |
| 646 | #define TERMINATE_ALL (-1) |
| 647 | extern void fio_terminate_threads(int); |
| 648 | |
| 649 | /* |
| 650 | * Memory helpers |
| 651 | */ |
| 652 | extern int __must_check fio_pin_memory(void); |
| 653 | extern void fio_unpin_memory(void); |
| 654 | extern int __must_check allocate_io_mem(struct thread_data *); |
| 655 | extern void free_io_mem(struct thread_data *); |
| 656 | |
| 657 | /* |
| 658 | * Reset stats after ramp time completes |
| 659 | */ |
| 660 | extern void reset_all_stats(struct thread_data *); |
| 661 | |
| 662 | /* |
| 663 | * blktrace support |
| 664 | */ |
| 665 | #ifdef FIO_HAVE_BLKTRACE |
| 666 | extern int is_blktrace(const char *); |
| 667 | extern int load_blktrace(struct thread_data *, const char *); |
| 668 | #endif |
| 669 | |
| 670 | /* |
| 671 | * Mark unused variables passed to ops functions as unused, to silence gcc |
| 672 | */ |
| 673 | #define fio_unused __attribute((__unused__)) |
| 674 | #define fio_init __attribute__((constructor)) |
| 675 | #define fio_exit __attribute__((destructor)) |
| 676 | |
| 677 | #define for_each_td(td, i) \ |
| 678 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) |
| 679 | #define for_each_file(td, f, i) \ |
| 680 | if ((td)->files_index) \ |
| 681 | for ((i) = 0, (f) = (td)->files[0]; \ |
| 682 | (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \ |
| 683 | (i)++) |
| 684 | |
| 685 | #define fio_assert(td, cond) do { \ |
| 686 | if (!(cond)) { \ |
| 687 | int *__foo = NULL; \ |
| 688 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
| 689 | td_set_runstate((td), TD_EXITED); \ |
| 690 | (td)->error = EFAULT; \ |
| 691 | *__foo = 0; \ |
| 692 | } \ |
| 693 | } while (0) |
| 694 | |
| 695 | static inline int fio_fill_issue_time(struct thread_data *td) |
| 696 | { |
| 697 | if (td->o.read_iolog_file || |
| 698 | !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw) |
| 699 | return 1; |
| 700 | |
| 701 | return 0; |
| 702 | } |
| 703 | |
| 704 | static inline int __should_check_rate(struct thread_data *td, |
| 705 | enum fio_ddir ddir) |
| 706 | { |
| 707 | struct thread_options *o = &td->o; |
| 708 | |
| 709 | /* |
| 710 | * If some rate setting was given, we need to check it |
| 711 | */ |
| 712 | if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] || |
| 713 | o->rate_iops_min[ddir]) |
| 714 | return 1; |
| 715 | |
| 716 | return 0; |
| 717 | } |
| 718 | |
| 719 | static inline int should_check_rate(struct thread_data *td, |
| 720 | unsigned long *bytes_done) |
| 721 | { |
| 722 | int ret = 0; |
| 723 | |
| 724 | if (bytes_done[DDIR_READ]) |
| 725 | ret |= __should_check_rate(td, DDIR_READ); |
| 726 | if (bytes_done[DDIR_WRITE]) |
| 727 | ret |= __should_check_rate(td, DDIR_WRITE); |
| 728 | if (bytes_done[DDIR_TRIM]) |
| 729 | ret |= __should_check_rate(td, DDIR_TRIM); |
| 730 | |
| 731 | return ret; |
| 732 | } |
| 733 | |
| 734 | static inline int is_power_of_2(unsigned int val) |
| 735 | { |
| 736 | return (val != 0 && ((val & (val - 1)) == 0)); |
| 737 | } |
| 738 | |
| 739 | /* |
| 740 | * We currently only need to do locking if we have verifier threads |
| 741 | * accessing our internal structures too |
| 742 | */ |
| 743 | static inline void td_io_u_lock(struct thread_data *td) |
| 744 | { |
| 745 | if (td->o.verify_async) |
| 746 | pthread_mutex_lock(&td->io_u_lock); |
| 747 | } |
| 748 | |
| 749 | static inline void td_io_u_unlock(struct thread_data *td) |
| 750 | { |
| 751 | if (td->o.verify_async) |
| 752 | pthread_mutex_unlock(&td->io_u_lock); |
| 753 | } |
| 754 | |
| 755 | static inline void td_io_u_free_notify(struct thread_data *td) |
| 756 | { |
| 757 | if (td->o.verify_async) |
| 758 | pthread_cond_signal(&td->free_cond); |
| 759 | } |
| 760 | |
| 761 | extern const char *fio_get_arch_string(int); |
| 762 | extern const char *fio_get_os_string(int); |
| 763 | |
| 764 | #endif |