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 #include "compiler/compiler.h" 18 #include "thread_options.h" 19 #include "flist.h" 20 #include "fifo.h" 21 #include "arch/arch.h" 22 #include "os/os.h" 23 #include "mutex.h" 24 #include "log.h" 25 #include "debug.h" 26 #include "file.h" 27 #include "io_ddir.h" 28 #include "ioengines.h" 29 #include "iolog.h" 30 #include "helpers.h" 31 #include "options.h" 32 #include "profile.h" 33 #include "fio_time.h" 34 #include "gettime.h" 35 #include "oslib/getopt.h" 36 #include "lib/rand.h" 37 #include "lib/rbtree.h" 38 #include "lib/num2str.h" 39 #include "client.h" 40 #include "server.h" 41 #include "stat.h" 42 #include "flow.h" 43 #include "io_u.h" 44 #include "io_u_queue.h" 45 #include "workqueue.h" 46 #include "steadystate.h" 47 48 #ifdef CONFIG_SOLARISAIO 49 #include <sys/asynch.h> 50 #endif 51 52 #ifdef CONFIG_LIBNUMA 53 #include <linux/mempolicy.h> 54 #include <numa.h> 55 56 /* 57 * "local" is pseudo-policy 58 */ 59 #define MPOL_LOCAL MPOL_MAX 60 #endif 61 62 #ifdef CONFIG_CUDA 63 #include <cuda.h> 64 #endif 65 66 /* 67 * offset generator types 68 */ 69 enum { 70 RW_SEQ_SEQ = 0, 71 RW_SEQ_IDENT, 72 }; 73 74 enum { 75 TD_F_VER_BACKLOG = 1U << 0, 76 TD_F_TRIM_BACKLOG = 1U << 1, 77 TD_F_READ_IOLOG = 1U << 2, 78 TD_F_REFILL_BUFFERS = 1U << 3, 79 TD_F_SCRAMBLE_BUFFERS = 1U << 4, 80 TD_F_VER_NONE = 1U << 5, 81 TD_F_PROFILE_OPS = 1U << 6, 82 TD_F_COMPRESS = 1U << 7, 83 TD_F_RESERVED = 1U << 8, /* not used */ 84 TD_F_COMPRESS_LOG = 1U << 9, 85 TD_F_VSTATE_SAVED = 1U << 10, 86 TD_F_NEED_LOCK = 1U << 11, 87 TD_F_CHILD = 1U << 12, 88 TD_F_NO_PROGRESS = 1U << 13, 89 TD_F_REGROW_LOGS = 1U << 14, 90 }; 91 92 enum { 93 FIO_RAND_BS_OFF = 0, 94 FIO_RAND_VER_OFF, 95 FIO_RAND_MIX_OFF, 96 FIO_RAND_FILE_OFF, 97 FIO_RAND_BLOCK_OFF, 98 FIO_RAND_FILE_SIZE_OFF, 99 FIO_RAND_TRIM_OFF, 100 FIO_RAND_BUF_OFF, 101 FIO_RAND_SEQ_RAND_READ_OFF, 102 FIO_RAND_SEQ_RAND_WRITE_OFF, 103 FIO_RAND_SEQ_RAND_TRIM_OFF, 104 FIO_RAND_START_DELAY, 105 FIO_DEDUPE_OFF, 106 FIO_RAND_POISSON_OFF, 107 FIO_RAND_ZONE_OFF, 108 FIO_RAND_POISSON2_OFF, 109 FIO_RAND_POISSON3_OFF, 110 FIO_RAND_NR_OFFS, 111 }; 112 113 enum { 114 IO_MODE_INLINE = 0, 115 IO_MODE_OFFLOAD = 1, 116 117 RATE_PROCESS_LINEAR = 0, 118 RATE_PROCESS_POISSON = 1, 119 }; 120 121 enum { 122 F_ADV_NONE = 0, 123 F_ADV_TYPE, 124 F_ADV_RANDOM, 125 F_ADV_SEQUENTIAL, 126 }; 127 128 /* 129 * Per-thread/process specific data. Only used for the network client 130 * for now. 131 */ 132 void sk_out_assign(struct sk_out *); 133 void sk_out_drop(void); 134 135 struct zone_split_index { 136 uint8_t size_perc; 137 uint8_t size_perc_prev; 138 }; 139 140 /* 141 * This describes a single thread/process executing a fio job. 142 */ 143 struct thread_data { 144 struct flist_head opt_list; 145 unsigned long flags; 146 struct thread_options o; 147 void *eo; 148 pthread_t thread; 149 unsigned int thread_number; 150 unsigned int subjob_number; 151 unsigned int groupid; 152 struct thread_stat ts; 153 154 int client_type; 155 156 struct io_log *slat_log; 157 struct io_log *clat_log; 158 struct io_log *clat_hist_log; 159 struct io_log *lat_log; 160 struct io_log *bw_log; 161 struct io_log *iops_log; 162 163 struct workqueue log_compress_wq; 164 165 struct thread_data *parent; 166 167 uint64_t stat_io_bytes[DDIR_RWDIR_CNT]; 168 struct timeval bw_sample_time; 169 170 uint64_t stat_io_blocks[DDIR_RWDIR_CNT]; 171 struct timeval iops_sample_time; 172 173 volatile int update_rusage; 174 struct fio_mutex *rusage_sem; 175 struct rusage ru_start; 176 struct rusage ru_end; 177 178 struct fio_file **files; 179 unsigned char *file_locks; 180 unsigned int files_size; 181 unsigned int files_index; 182 unsigned int nr_open_files; 183 unsigned int nr_done_files; 184 unsigned int nr_normal_files; 185 union { 186 unsigned int next_file; 187 struct frand_state next_file_state; 188 }; 189 union { 190 struct zipf_state next_file_zipf; 191 struct gauss_state next_file_gauss; 192 }; 193 union { 194 double zipf_theta; 195 double pareto_h; 196 double gauss_dev; 197 }; 198 int error; 199 int sig; 200 int done; 201 int stop_io; 202 pid_t pid; 203 char *orig_buffer; 204 size_t orig_buffer_size; 205 volatile int terminate; 206 volatile int runstate; 207 unsigned int last_was_sync; 208 enum fio_ddir last_ddir; 209 210 int mmapfd; 211 212 void *iolog_buf; 213 FILE *iolog_f; 214 215 unsigned long rand_seeds[FIO_RAND_NR_OFFS]; 216 217 struct frand_state bsrange_state; 218 struct frand_state verify_state; 219 struct frand_state trim_state; 220 struct frand_state delay_state; 221 222 struct frand_state buf_state; 223 struct frand_state buf_state_prev; 224 struct frand_state dedupe_state; 225 struct frand_state zone_state; 226 227 struct zone_split_index **zone_state_index; 228 229 unsigned int verify_batch; 230 unsigned int trim_batch; 231 232 struct thread_io_list *vstate; 233 234 int shm_id; 235 236 /* 237 * IO engine hooks, contains everything needed to submit an io_u 238 * to any of the available IO engines. 239 */ 240 struct ioengine_ops *io_ops; 241 int io_ops_init; 242 243 /* 244 * IO engine private data and dlhandle. 245 */ 246 void *io_ops_data; 247 void *io_ops_dlhandle; 248 249 /* 250 * Queue depth of io_u's that fio MIGHT do 251 */ 252 unsigned int cur_depth; 253 254 /* 255 * io_u's about to be committed 256 */ 257 unsigned int io_u_queued; 258 259 /* 260 * io_u's submitted but not completed yet 261 */ 262 unsigned int io_u_in_flight; 263 264 /* 265 * List of free and busy io_u's 266 */ 267 struct io_u_ring io_u_requeues; 268 struct io_u_queue io_u_freelist; 269 struct io_u_queue io_u_all; 270 pthread_mutex_t io_u_lock; 271 pthread_cond_t free_cond; 272 273 /* 274 * async verify offload 275 */ 276 struct flist_head verify_list; 277 pthread_t *verify_threads; 278 unsigned int nr_verify_threads; 279 pthread_cond_t verify_cond; 280 int verify_thread_exit; 281 282 /* 283 * Rate state 284 */ 285 uint64_t rate_bps[DDIR_RWDIR_CNT]; 286 uint64_t rate_next_io_time[DDIR_RWDIR_CNT]; 287 unsigned long rate_bytes[DDIR_RWDIR_CNT]; 288 unsigned long rate_blocks[DDIR_RWDIR_CNT]; 289 unsigned long long rate_io_issue_bytes[DDIR_RWDIR_CNT]; 290 struct timeval lastrate[DDIR_RWDIR_CNT]; 291 int64_t last_usec[DDIR_RWDIR_CNT]; 292 struct frand_state poisson_state[DDIR_RWDIR_CNT]; 293 294 /* 295 * Enforced rate submission/completion workqueue 296 */ 297 struct workqueue io_wq; 298 299 uint64_t total_io_size; 300 uint64_t fill_device_size; 301 302 /* 303 * Issue side 304 */ 305 uint64_t io_issues[DDIR_RWDIR_CNT]; 306 uint64_t io_issue_bytes[DDIR_RWDIR_CNT]; 307 uint64_t loops; 308 309 /* 310 * Completions 311 */ 312 uint64_t io_blocks[DDIR_RWDIR_CNT]; 313 uint64_t this_io_blocks[DDIR_RWDIR_CNT]; 314 uint64_t io_bytes[DDIR_RWDIR_CNT]; 315 uint64_t this_io_bytes[DDIR_RWDIR_CNT]; 316 uint64_t io_skip_bytes; 317 uint64_t zone_bytes; 318 struct fio_mutex *mutex; 319 uint64_t bytes_done[DDIR_RWDIR_CNT]; 320 321 /* 322 * State for random io, a bitmap of blocks done vs not done 323 */ 324 struct frand_state random_state; 325 326 struct timeval start; /* start of this loop */ 327 struct timeval epoch; /* time job was started */ 328 unsigned long long unix_epoch; /* Time job was started, unix epoch based. */ 329 struct timeval last_issue; 330 long time_offset; 331 struct timeval tv_cache; 332 struct timeval terminate_time; 333 unsigned int tv_cache_nr; 334 unsigned int tv_cache_mask; 335 unsigned int ramp_time_over; 336 337 /* 338 * Time since last latency_window was started 339 */ 340 struct timeval latency_ts; 341 unsigned int latency_qd; 342 unsigned int latency_qd_high; 343 unsigned int latency_qd_low; 344 unsigned int latency_failed; 345 uint64_t latency_ios; 346 int latency_end_run; 347 348 /* 349 * read/write mixed workload state 350 */ 351 struct frand_state rwmix_state; 352 unsigned long rwmix_issues; 353 enum fio_ddir rwmix_ddir; 354 unsigned int ddir_seq_nr; 355 356 /* 357 * rand/seq mixed workload state 358 */ 359 struct frand_state seq_rand_state[DDIR_RWDIR_CNT]; 360 361 /* 362 * IO history logs for verification. We use a tree for sorting, 363 * if we are overwriting. Otherwise just use a fifo. 364 */ 365 struct rb_root io_hist_tree; 366 struct flist_head io_hist_list; 367 unsigned long io_hist_len; 368 369 /* 370 * For IO replaying 371 */ 372 struct flist_head io_log_list; 373 374 /* 375 * For tracking/handling discards 376 */ 377 struct flist_head trim_list; 378 unsigned long trim_entries; 379 380 struct flist_head next_rand_list; 381 382 /* 383 * for fileservice, how often to switch to a new file 384 */ 385 unsigned int file_service_nr; 386 unsigned int file_service_left; 387 struct fio_file *file_service_file; 388 389 unsigned int sync_file_range_nr; 390 391 /* 392 * For generating file sizes 393 */ 394 struct frand_state file_size_state; 395 396 /* 397 * Error counts 398 */ 399 unsigned int total_err_count; 400 int first_error; 401 402 struct fio_flow *flow; 403 404 /* 405 * Can be overloaded by profiles 406 */ 407 struct prof_io_ops prof_io_ops; 408 void *prof_data; 409 410 void *pinned_mem; 411 412 struct steadystate_data ss; 413 414 char verror[FIO_VERROR_SIZE]; 415 416 #ifdef CONFIG_CUDA 417 /* 418 * for GPU memory management 419 */ 420 int gpu_dev_cnt; 421 int gpu_dev_id; 422 CUdevice cu_dev; 423 CUcontext cu_ctx; 424 CUdeviceptr dev_mem_ptr; 425 #endif 426 427 }; 428 429 /* 430 * when should interactive ETA output be generated 431 */ 432 enum { 433 FIO_ETA_AUTO, 434 FIO_ETA_ALWAYS, 435 FIO_ETA_NEVER, 436 }; 437 438 #define __td_verror(td, err, msg, func) \ 439 do { \ 440 unsigned int ____e = (err); \ 441 if ((td)->error) \ 442 break; \ 443 (td)->error = ____e; \ 444 if (!(td)->first_error) \ 445 snprintf(td->verror, sizeof(td->verror), "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ 446 } while (0) 447 448 449 #define td_clear_error(td) do { \ 450 (td)->error = 0; \ 451 if ((td)->parent) \ 452 (td)->parent->error = 0; \ 453 } while (0) 454 455 #define td_verror(td, err, func) do { \ 456 __td_verror((td), (err), strerror((err)), (func)); \ 457 if ((td)->parent) \ 458 __td_verror((td)->parent, (err), strerror((err)), (func)); \ 459 } while (0) 460 461 #define td_vmsg(td, err, msg, func) do { \ 462 __td_verror((td), (err), (msg), (func)); \ 463 if ((td)->parent) \ 464 __td_verror((td)->parent, (err), (msg), (func)); \ 465 } while (0) 466 467 #define __fio_stringify_1(x) #x 468 #define __fio_stringify(x) __fio_stringify_1(x) 469 470 extern int exitall_on_terminate; 471 extern unsigned int thread_number; 472 extern unsigned int stat_number; 473 extern int shm_id; 474 extern int groupid; 475 extern int output_format; 476 extern int append_terse_output; 477 extern int temp_stall_ts; 478 extern uintptr_t page_mask, page_size; 479 extern int read_only; 480 extern int eta_print; 481 extern int eta_new_line; 482 extern unsigned long done_secs; 483 extern int fio_gtod_offload; 484 extern int fio_gtod_cpu; 485 extern enum fio_cs fio_clock_source; 486 extern int fio_clock_source_set; 487 extern int warnings_fatal; 488 extern int terse_version; 489 extern int is_backend; 490 extern int nr_clients; 491 extern int log_syslog; 492 extern int status_interval; 493 extern const char fio_version_string[]; 494 extern char *trigger_file; 495 extern char *trigger_cmd; 496 extern char *trigger_remote_cmd; 497 extern long long trigger_timeout; 498 extern char *aux_path; 499 500 extern struct thread_data *threads; 501 502 static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u) 503 { 504 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td))); 505 } 506 507 #define REAL_MAX_JOBS 4096 508 509 static inline int should_fsync(struct thread_data *td) 510 { 511 if (td->last_was_sync) 512 return 0; 513 if (td_write(td) || td->o.override_sync) 514 return 1; 515 516 return 0; 517 } 518 519 /* 520 * Init/option functions 521 */ 522 extern int __must_check fio_init_options(void); 523 extern int __must_check parse_options(int, char **); 524 extern int parse_jobs_ini(char *, int, int, int); 525 extern int parse_cmd_line(int, char **, int); 526 extern int fio_backend(struct sk_out *); 527 extern void reset_fio_state(void); 528 extern void clear_io_state(struct thread_data *, int); 529 extern int fio_options_parse(struct thread_data *, char **, int); 530 extern void fio_keywords_init(void); 531 extern void fio_keywords_exit(void); 532 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); 533 extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *); 534 extern void fio_fill_default_options(struct thread_data *); 535 extern int fio_show_option_help(const char *); 536 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td); 537 extern void fio_options_dup_and_init(struct option *); 538 extern void fio_options_mem_dupe(struct thread_data *); 539 extern void td_fill_rand_seeds(struct thread_data *); 540 extern void td_fill_verify_state_seed(struct thread_data *); 541 extern void add_job_opts(const char **, int); 542 extern int ioengine_load(struct thread_data *); 543 extern bool parse_dryrun(void); 544 extern int fio_running_or_pending_io_threads(void); 545 extern int fio_set_fd_nonblocking(int, const char *); 546 extern void sig_show_status(int sig); 547 extern struct thread_data *get_global_options(void); 548 549 extern uintptr_t page_mask; 550 extern uintptr_t page_size; 551 extern int initialize_fio(char *envp[]); 552 extern void deinitialize_fio(void); 553 554 #define FIO_GETOPT_JOB 0x89000000 555 #define FIO_GETOPT_IOENGINE 0x98000000 556 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128) 557 558 /* 559 * ETA/status stuff 560 */ 561 extern void print_thread_status(void); 562 extern void print_status_init(int); 563 extern char *fio_uint_to_kmg(unsigned int val); 564 565 /* 566 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it 567 * will never back again. It may cycle between running/verififying/fsyncing. 568 * Once the thread reaches TD_EXITED, it is just waiting for the core to 569 * reap it. 570 */ 571 enum { 572 TD_NOT_CREATED = 0, 573 TD_CREATED, 574 TD_INITIALIZED, 575 TD_RAMP, 576 TD_SETTING_UP, 577 TD_RUNNING, 578 TD_PRE_READING, 579 TD_VERIFYING, 580 TD_FSYNCING, 581 TD_FINISHING, 582 TD_EXITED, 583 TD_REAPED, 584 TD_LAST, 585 TD_NR, 586 }; 587 588 #define TD_ENG_FLAG_SHIFT 16 589 #define TD_ENG_FLAG_MASK ((1U << 16) - 1) 590 591 static inline enum fio_ioengine_flags td_ioengine_flags(struct thread_data *td) 592 { 593 return (enum fio_ioengine_flags) 594 ((td->flags >> TD_ENG_FLAG_SHIFT) & TD_ENG_FLAG_MASK); 595 } 596 597 static inline void td_set_ioengine_flags(struct thread_data *td) 598 { 599 td->flags = (~(TD_ENG_FLAG_MASK << TD_ENG_FLAG_SHIFT) & td->flags) | 600 (td->io_ops->flags << TD_ENG_FLAG_SHIFT); 601 } 602 603 static inline bool td_ioengine_flagged(struct thread_data *td, 604 enum fio_ioengine_flags flags) 605 { 606 return ((td->flags >> TD_ENG_FLAG_SHIFT) & flags) != 0; 607 } 608 609 extern void td_set_runstate(struct thread_data *, int); 610 extern int td_bump_runstate(struct thread_data *, int); 611 extern void td_restore_runstate(struct thread_data *, int); 612 extern const char *runstate_to_name(int runstate); 613 614 /* 615 * Allow 60 seconds for a job to quit on its own, otherwise reap with 616 * a vengeance. 617 */ 618 #define FIO_REAP_TIMEOUT 300 619 620 #define TERMINATE_ALL (-1U) 621 extern void fio_terminate_threads(unsigned int); 622 extern void fio_mark_td_terminate(struct thread_data *); 623 624 /* 625 * Memory helpers 626 */ 627 extern int __must_check fio_pin_memory(struct thread_data *); 628 extern void fio_unpin_memory(struct thread_data *); 629 extern int __must_check allocate_io_mem(struct thread_data *); 630 extern void free_io_mem(struct thread_data *); 631 extern void free_threads_shm(void); 632 633 #ifdef FIO_INTERNAL 634 #define PTR_ALIGN(ptr, mask) \ 635 (char *) (((uintptr_t) (ptr) + (mask)) & ~(mask)) 636 #endif 637 638 /* 639 * Reset stats after ramp time completes 640 */ 641 extern void reset_all_stats(struct thread_data *); 642 643 /* 644 * blktrace support 645 */ 646 #ifdef FIO_HAVE_BLKTRACE 647 extern int is_blktrace(const char *, int *); 648 extern int load_blktrace(struct thread_data *, const char *, int); 649 #endif 650 651 extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret, 652 enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify, 653 struct timeval *comp_time); 654 655 /* 656 * Latency target helpers 657 */ 658 extern void lat_target_check(struct thread_data *); 659 extern void lat_target_init(struct thread_data *); 660 extern void lat_target_reset(struct thread_data *); 661 662 /* 663 * Iterates all threads/processes within all the defined jobs 664 */ 665 #define for_each_td(td, i) \ 666 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) 667 #define for_each_file(td, f, i) \ 668 if ((td)->files_index) \ 669 for ((i) = 0, (f) = (td)->files[0]; \ 670 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \ 671 (i)++) 672 673 #define fio_assert(td, cond) do { \ 674 if (!(cond)) { \ 675 int *__foo = NULL; \ 676 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ 677 td_set_runstate((td), TD_EXITED); \ 678 (td)->error = EFAULT; \ 679 *__foo = 0; \ 680 } \ 681 } while (0) 682 683 static inline bool fio_fill_issue_time(struct thread_data *td) 684 { 685 if (td->o.read_iolog_file || 686 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw) 687 return true; 688 689 return false; 690 } 691 692 static inline bool __should_check_rate(struct thread_data *td, 693 enum fio_ddir ddir) 694 { 695 struct thread_options *o = &td->o; 696 697 /* 698 * If some rate setting was given, we need to check it 699 */ 700 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] || 701 o->rate_iops_min[ddir]) 702 return true; 703 704 return false; 705 } 706 707 static inline bool should_check_rate(struct thread_data *td) 708 { 709 if (td->bytes_done[DDIR_READ] && __should_check_rate(td, DDIR_READ)) 710 return true; 711 if (td->bytes_done[DDIR_WRITE] && __should_check_rate(td, DDIR_WRITE)) 712 return true; 713 if (td->bytes_done[DDIR_TRIM] && __should_check_rate(td, DDIR_TRIM)) 714 return true; 715 716 return false; 717 } 718 719 static inline unsigned int td_max_bs(struct thread_data *td) 720 { 721 unsigned int max_bs; 722 723 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]); 724 return max(td->o.max_bs[DDIR_TRIM], max_bs); 725 } 726 727 static inline unsigned int td_min_bs(struct thread_data *td) 728 { 729 unsigned int min_bs; 730 731 min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); 732 return min(td->o.min_bs[DDIR_TRIM], min_bs); 733 } 734 735 static inline bool td_async_processing(struct thread_data *td) 736 { 737 return (td->flags & TD_F_NEED_LOCK) != 0; 738 } 739 740 /* 741 * We currently only need to do locking if we have verifier threads 742 * accessing our internal structures too 743 */ 744 static inline void td_io_u_lock(struct thread_data *td) 745 { 746 if (td_async_processing(td)) 747 pthread_mutex_lock(&td->io_u_lock); 748 } 749 750 static inline void td_io_u_unlock(struct thread_data *td) 751 { 752 if (td_async_processing(td)) 753 pthread_mutex_unlock(&td->io_u_lock); 754 } 755 756 static inline void td_io_u_free_notify(struct thread_data *td) 757 { 758 if (td_async_processing(td)) 759 pthread_cond_signal(&td->free_cond); 760 } 761 762 static inline void td_flags_clear(struct thread_data *td, unsigned int *flags, 763 unsigned int value) 764 { 765 if (!td_async_processing(td)) 766 *flags &= ~value; 767 else 768 __sync_fetch_and_and(flags, ~value); 769 } 770 771 static inline void td_flags_set(struct thread_data *td, unsigned int *flags, 772 unsigned int value) 773 { 774 if (!td_async_processing(td)) 775 *flags |= value; 776 else 777 __sync_fetch_and_or(flags, value); 778 } 779 780 extern const char *fio_get_arch_string(int); 781 extern const char *fio_get_os_string(int); 782 783 #ifdef FIO_INTERNAL 784 #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0]))) 785 #define FIELD_SIZE(s, f) (sizeof(((typeof(s))0)->f)) 786 #endif 787 788 enum { 789 __FIO_OUTPUT_TERSE = 0, 790 __FIO_OUTPUT_JSON = 1, 791 __FIO_OUTPUT_NORMAL = 2, 792 __FIO_OUTPUT_JSON_PLUS = 3, 793 FIO_OUTPUT_NR = 4, 794 795 FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE, 796 FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON, 797 FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL, 798 FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS, 799 }; 800 801 enum { 802 FIO_RAND_DIST_RANDOM = 0, 803 FIO_RAND_DIST_ZIPF, 804 FIO_RAND_DIST_PARETO, 805 FIO_RAND_DIST_GAUSS, 806 FIO_RAND_DIST_ZONED, 807 }; 808 809 #define FIO_DEF_ZIPF 1.1 810 #define FIO_DEF_PARETO 0.2 811 812 enum { 813 FIO_RAND_GEN_TAUSWORTHE = 0, 814 FIO_RAND_GEN_LFSR, 815 FIO_RAND_GEN_TAUSWORTHE64, 816 }; 817 818 enum { 819 FIO_CPUS_SHARED = 0, 820 FIO_CPUS_SPLIT, 821 }; 822 823 extern void exec_trigger(const char *); 824 extern void check_trigger_file(void); 825 826 #endif 827