projects / fio.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
Restore BUSY_OK bypassing of bitmap
[fio.git] / fio.h
... / ...
CommitLineData
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
17struct 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#ifdef FIO_HAVE_LIBNUMA
52#include <linux/mempolicy.h>
53#include <numa.h>
54
55/*
56 * "local" is pseudo-policy
57 */
58#define MPOL_LOCAL MPOL_MAX
59#endif
60
61/*
62 * What type of allocation to use for io buffers
63 */
64enum fio_memtype {
65 MEM_MALLOC = 0, /* ordinary malloc */
66 MEM_SHM, /* use shared memory segments */
67 MEM_SHMHUGE, /* use shared memory segments with huge pages */
68 MEM_MMAP, /* use anonynomous mmap */
69 MEM_MMAPHUGE, /* memory mapped huge file */
70};
71
72/*
73 * offset generator types
74 */
75enum {
76 RW_SEQ_SEQ = 0,
77 RW_SEQ_IDENT,
78};
79
80/*
81 * What type of errors to continue on when continue_on_error is used
82 */
83enum error_type_bit {
84 ERROR_TYPE_READ_BIT = 0,
85 ERROR_TYPE_WRITE_BIT = 1,
86 ERROR_TYPE_VERIFY_BIT = 2,
87 ERROR_TYPE_CNT = 3,
88};
89
90enum error_type {
91 ERROR_TYPE_NONE = 0,
92 ERROR_TYPE_READ = 1 << ERROR_TYPE_READ_BIT,
93 ERROR_TYPE_WRITE = 1 << ERROR_TYPE_WRITE_BIT,
94 ERROR_TYPE_VERIFY = 1 << ERROR_TYPE_VERIFY_BIT,
95 ERROR_TYPE_ANY = 0xffff,
96};
97
98struct bssplit {
99 unsigned int bs;
100 unsigned char perc;
101};
102
103struct thread_options {
104 int pad;
105 char *description;
106 char *name;
107 char *directory;
108 char *filename;
109 char *opendir;
110 char *ioengine;
111 enum td_ddir td_ddir;
112 unsigned int rw_seq;
113 unsigned int kb_base;
114 unsigned int ddir_seq_nr;
115 long ddir_seq_add;
116 unsigned int iodepth;
117 unsigned int iodepth_low;
118 unsigned int iodepth_batch;
119 unsigned int iodepth_batch_complete;
120
121 unsigned long long size;
122 unsigned int size_percent;
123 unsigned int fill_device;
124 unsigned long long file_size_low;
125 unsigned long long file_size_high;
126 unsigned long long start_offset;
127
128 unsigned int bs[DDIR_RWDIR_CNT];
129 unsigned int ba[DDIR_RWDIR_CNT];
130 unsigned int min_bs[DDIR_RWDIR_CNT];
131 unsigned int max_bs[DDIR_RWDIR_CNT];
132 struct bssplit *bssplit[DDIR_RWDIR_CNT];
133 unsigned int bssplit_nr[DDIR_RWDIR_CNT];
134
135 int *ignore_error[ERROR_TYPE_CNT];
136 unsigned int ignore_error_nr[ERROR_TYPE_CNT];
137 unsigned int error_dump;
138
139 unsigned int nr_files;
140 unsigned int open_files;
141 enum file_lock_mode file_lock_mode;
142 unsigned int lockfile_batch;
143
144 unsigned int odirect;
145 unsigned int invalidate_cache;
146 unsigned int create_serialize;
147 unsigned int create_fsync;
148 unsigned int create_on_open;
149 unsigned int create_only;
150 unsigned int end_fsync;
151 unsigned int pre_read;
152 unsigned int sync_io;
153 unsigned int verify;
154 unsigned int do_verify;
155 unsigned int verifysort;
156 unsigned int verify_interval;
157 unsigned int verify_offset;
158 char verify_pattern[MAX_PATTERN_SIZE];
159 unsigned int verify_pattern_bytes;
160 unsigned int verify_fatal;
161 unsigned int verify_dump;
162 unsigned int verify_async;
163 unsigned long long verify_backlog;
164 unsigned int verify_batch;
165 unsigned int use_thread;
166 unsigned int unlink;
167 unsigned int do_disk_util;
168 unsigned int override_sync;
169 unsigned int rand_repeatable;
170 unsigned int use_os_rand;
171 unsigned int write_lat_log;
172 unsigned int write_bw_log;
173 unsigned int write_iops_log;
174 unsigned int log_avg_msec;
175 unsigned int norandommap;
176 unsigned int softrandommap;
177 unsigned int bs_unaligned;
178 unsigned int fsync_on_close;
179
180 unsigned int random_distribution;
181 double zipf_theta;
182 double pareto_h;
183
184 unsigned int hugepage_size;
185 unsigned int rw_min_bs;
186 unsigned int thinktime;
187 unsigned int thinktime_spin;
188 unsigned int thinktime_blocks;
189 unsigned int fsync_blocks;
190 unsigned int fdatasync_blocks;
191 unsigned int barrier_blocks;
192 unsigned long long start_delay;
193 unsigned long long timeout;
194 unsigned long long ramp_time;
195 unsigned int overwrite;
196 unsigned int bw_avg_time;
197 unsigned int iops_avg_time;
198 unsigned int loops;
199 unsigned long long zone_range;
200 unsigned long long zone_size;
201 unsigned long long zone_skip;
202 enum fio_memtype mem_type;
203 unsigned int mem_align;
204
205 unsigned int max_latency;
206
207 unsigned int stonewall;
208 unsigned int new_group;
209 unsigned int numjobs;
210 os_cpu_mask_t cpumask;
211 unsigned int cpumask_set;
212 os_cpu_mask_t verify_cpumask;
213 unsigned int verify_cpumask_set;
214#ifdef FIO_HAVE_LIBNUMA
215 struct bitmask *numa_cpunodesmask;
216 unsigned int numa_cpumask_set;
217 unsigned short numa_mem_mode;
218 unsigned int numa_mem_prefer_node;
219 struct bitmask *numa_memnodesmask;
220 unsigned int numa_memmask_set;
221#endif
222 unsigned int iolog;
223 unsigned int rwmixcycle;
224 unsigned int rwmix[2];
225 unsigned int nice;
226 unsigned int file_service_type;
227 unsigned int group_reporting;
228 unsigned int fadvise_hint;
229 enum fio_fallocate_mode fallocate_mode;
230 unsigned int zero_buffers;
231 unsigned int refill_buffers;
232 unsigned int scramble_buffers;
233 unsigned int compress_percentage;
234 unsigned int compress_chunk;
235 unsigned int time_based;
236 unsigned int disable_lat;
237 unsigned int disable_clat;
238 unsigned int disable_slat;
239 unsigned int disable_bw;
240 unsigned int gtod_reduce;
241 unsigned int gtod_cpu;
242 unsigned int gtod_offload;
243 enum fio_cs clocksource;
244 unsigned int no_stall;
245 unsigned int trim_percentage;
246 unsigned int trim_batch;
247 unsigned int trim_zero;
248 unsigned long long trim_backlog;
249 unsigned int clat_percentiles;
250 unsigned int overwrite_plist;
251 fio_fp64_t percentile_list[FIO_IO_U_LIST_MAX_LEN];
252
253 char *read_iolog_file;
254 char *write_iolog_file;
255 char *bw_log_file;
256 char *lat_log_file;
257 char *iops_log_file;
258 char *replay_redirect;
259
260 /*
261 * Pre-run and post-run shell
262 */
263 char *exec_prerun;
264 char *exec_postrun;
265
266 unsigned int rate[DDIR_RWDIR_CNT];
267 unsigned int ratemin[DDIR_RWDIR_CNT];
268 unsigned int ratecycle;
269 unsigned int rate_iops[DDIR_RWDIR_CNT];
270 unsigned int rate_iops_min[DDIR_RWDIR_CNT];
271
272 char *ioscheduler;
273
274 /*
275 * CPU "io" cycle burner
276 */
277 unsigned int cpuload;
278 unsigned int cpucycle;
279
280 /*
281 * I/O Error handling
282 */
283 enum error_type continue_on_error;
284
285 /*
286 * Benchmark profile type
287 */
288 char *profile;
289
290 /*
291 * blkio cgroup support
292 */
293 char *cgroup;
294 unsigned int cgroup_weight;
295 unsigned int cgroup_nodelete;
296
297 unsigned int uid;
298 unsigned int gid;
299
300 int flow_id;
301 int flow;
302 int flow_watermark;
303 unsigned int flow_sleep;
304
305 unsigned long long offset_increment;
306
307 unsigned int sync_file_range;
308};
309
310/*
311 * This describes a single thread/process executing a fio job.
312 */
313struct thread_data {
314 struct thread_options o;
315 void *eo;
316 char verror[FIO_VERROR_SIZE];
317 pthread_t thread;
318 int thread_number;
319 int groupid;
320 struct thread_stat ts;
321
322 struct io_log *slat_log;
323 struct io_log *clat_log;
324 struct io_log *lat_log;
325 struct io_log *bw_log;
326 struct io_log *iops_log;
327
328 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
329 struct timeval bw_sample_time;
330
331 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
332 struct timeval iops_sample_time;
333
334 struct rusage ru_start;
335 struct rusage ru_end;
336
337 struct fio_file **files;
338 unsigned int files_size;
339 unsigned int files_index;
340 unsigned int nr_open_files;
341 unsigned int nr_done_files;
342 unsigned int nr_normal_files;
343 union {
344 unsigned int next_file;
345 os_random_state_t next_file_state;
346 struct frand_state __next_file_state;
347 };
348 int error;
349 int sig;
350 int done;
351 pid_t pid;
352 char *orig_buffer;
353 size_t orig_buffer_size;
354 volatile int terminate;
355 volatile int runstate;
356 unsigned int ioprio;
357 unsigned int ioprio_set;
358 unsigned int last_was_sync;
359 enum fio_ddir last_ddir;
360
361 char *mmapfile;
362 int mmapfd;
363
364 void *iolog_buf;
365 FILE *iolog_f;
366
367 char *sysfs_root;
368
369 unsigned long rand_seeds[8];
370
371 union {
372 os_random_state_t bsrange_state;
373 struct frand_state __bsrange_state;
374 };
375 union {
376 os_random_state_t verify_state;
377 struct frand_state __verify_state;
378 };
379 union {
380 os_random_state_t trim_state;
381 struct frand_state __trim_state;
382 };
383
384 struct frand_state buf_state;
385
386 unsigned int verify_batch;
387 unsigned int trim_batch;
388
389 int shm_id;
390
391 /*
392 * IO engine hooks, contains everything needed to submit an io_u
393 * to any of the available IO engines.
394 */
395 struct ioengine_ops *io_ops;
396
397 /*
398 * Queue depth of io_u's that fio MIGHT do
399 */
400 unsigned int cur_depth;
401
402 /*
403 * io_u's about to be committed
404 */
405 unsigned int io_u_queued;
406
407 /*
408 * io_u's submitted but not completed yet
409 */
410 unsigned int io_u_in_flight;
411
412 /*
413 * List of free and busy io_u's
414 */
415 struct flist_head io_u_freelist;
416 struct flist_head io_u_busylist;
417 struct flist_head io_u_requeues;
418 pthread_mutex_t io_u_lock;
419 pthread_cond_t free_cond;
420
421 /*
422 * async verify offload
423 */
424 struct flist_head verify_list;
425 pthread_t *verify_threads;
426 unsigned int nr_verify_threads;
427 pthread_cond_t verify_cond;
428 int verify_thread_exit;
429
430 /*
431 * Rate state
432 */
433 unsigned long long rate_bps[DDIR_RWDIR_CNT];
434 long rate_pending_usleep[DDIR_RWDIR_CNT];
435 unsigned long rate_bytes[DDIR_RWDIR_CNT];
436 unsigned long rate_blocks[DDIR_RWDIR_CNT];
437 struct timeval lastrate[DDIR_RWDIR_CNT];
438
439 unsigned long long total_io_size;
440 unsigned long long fill_device_size;
441
442 unsigned long io_issues[DDIR_RWDIR_CNT];
443 unsigned long long io_blocks[DDIR_RWDIR_CNT];
444 unsigned long long this_io_blocks[DDIR_RWDIR_CNT];
445 unsigned long long io_bytes[DDIR_RWDIR_CNT];
446 unsigned long long io_skip_bytes;
447 unsigned long long this_io_bytes[DDIR_RWDIR_CNT];
448 unsigned long long zone_bytes;
449 struct fio_mutex *mutex;
450
451 /*
452 * State for random io, a bitmap of blocks done vs not done
453 */
454 union {
455 os_random_state_t random_state;
456 struct frand_state __random_state;
457 };
458
459 struct timeval start; /* start of this loop */
460 struct timeval epoch; /* time job was started */
461 struct timeval last_issue;
462 struct timeval tv_cache;
463 unsigned int tv_cache_nr;
464 unsigned int tv_cache_mask;
465 unsigned int ramp_time_over;
466
467 /*
468 * read/write mixed workload state
469 */
470 union {
471 os_random_state_t rwmix_state;
472 struct frand_state __rwmix_state;
473 };
474 unsigned long rwmix_issues;
475 enum fio_ddir rwmix_ddir;
476 unsigned int ddir_seq_nr;
477
478 /*
479 * IO history logs for verification. We use a tree for sorting,
480 * if we are overwriting. Otherwise just use a fifo.
481 */
482 struct rb_root io_hist_tree;
483 struct flist_head io_hist_list;
484 unsigned long io_hist_len;
485
486 /*
487 * For IO replaying
488 */
489 struct flist_head io_log_list;
490
491 /*
492 * For tracking/handling discards
493 */
494 struct flist_head trim_list;
495 unsigned long trim_entries;
496
497 /*
498 * for fileservice, how often to switch to a new file
499 */
500 unsigned int file_service_nr;
501 unsigned int file_service_left;
502 struct fio_file *file_service_file;
503
504 unsigned int sync_file_range_nr;
505
506 /*
507 * For generating file sizes
508 */
509 union {
510 os_random_state_t file_size_state;
511 struct frand_state __file_size_state;
512 };
513
514 /*
515 * Error counts
516 */
517 unsigned int total_err_count;
518 int first_error;
519
520 struct fio_flow *flow;
521
522 /*
523 * Can be overloaded by profiles
524 */
525 struct prof_io_ops prof_io_ops;
526 void *prof_data;
527};
528
529/*
530 * when should interactive ETA output be generated
531 */
532enum {
533 FIO_ETA_AUTO,
534 FIO_ETA_ALWAYS,
535 FIO_ETA_NEVER,
536};
537
538#define __td_verror(td, err, msg, func) \
539 do { \
540 if ((td)->error) \
541 break; \
542 int e = (err); \
543 (td)->error = e; \
544 if (!(td)->first_error) \
545 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
546 } while (0)
547
548
549#define td_clear_error(td) \
550 (td)->error = 0;
551#define td_verror(td, err, func) \
552 __td_verror((td), (err), strerror((err)), (func))
553#define td_vmsg(td, err, msg, func) \
554 __td_verror((td), (err), (msg), (func))
555
556#define __fio_stringify_1(x) #x
557#define __fio_stringify(x) __fio_stringify_1(x)
558
559extern int exitall_on_terminate;
560extern unsigned int thread_number;
561extern unsigned int stat_number;
562extern unsigned int nr_process, nr_thread;
563extern int shm_id;
564extern int groupid;
565extern int output_format;
566extern int temp_stall_ts;
567extern unsigned long long mlock_size;
568extern uintptr_t page_mask, page_size;
569extern int read_only;
570extern int eta_print;
571extern unsigned long done_secs;
572extern char *job_section;
573extern int fio_gtod_offload;
574extern int fio_gtod_cpu;
575extern enum fio_cs fio_clock_source;
576extern int warnings_fatal;
577extern int terse_version;
578extern int is_backend;
579extern int nr_clients;
580extern int log_syslog;
581extern const char fio_version_string[];
582extern const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN];
583
584extern struct thread_data *threads;
585
586static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
587{
588 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
589}
590
591#define REAL_MAX_JOBS 2048
592
593static inline enum error_type_bit td_error_type(enum fio_ddir ddir, int err)
594{
595 if (err == EILSEQ)
596 return ERROR_TYPE_VERIFY_BIT;
597 if (ddir == DDIR_READ)
598 return ERROR_TYPE_READ_BIT;
599 return ERROR_TYPE_WRITE_BIT;
600}
601
602static int __NON_FATAL_ERR[] = {EIO, EILSEQ};
603static inline int td_non_fatal_error(struct thread_data *td,
604 enum error_type_bit etype, int err)
605{
606 int i;
607 if (!td->o.ignore_error[etype]) {
608 td->o.ignore_error[etype] = __NON_FATAL_ERR;
609 td->o.ignore_error_nr[etype] = sizeof(__NON_FATAL_ERR)
610 / sizeof(int);
611 }
612
613 if (!(td->o.continue_on_error & (1 << etype)))
614 return 0;
615 for (i = 0; i < td->o.ignore_error_nr[etype]; i++)
616 if (td->o.ignore_error[etype][i] == err)
617 return 1;
618 return 0;
619}
620
621static inline void update_error_count(struct thread_data *td, int err)
622{
623 td->total_err_count++;
624 if (td->total_err_count == 1)
625 td->first_error = err;
626}
627
628static inline int should_fsync(struct thread_data *td)
629{
630 if (td->last_was_sync)
631 return 0;
632 if (td->o.odirect)
633 return 0;
634 if (td_write(td) || td_rw(td) || td->o.override_sync)
635 return 1;
636
637 return 0;
638}
639
640/*
641 * Init/option functions
642 */
643extern int __must_check parse_options(int, char **);
644extern int parse_jobs_ini(char *, int, int);
645extern int parse_cmd_line(int, char **);
646extern int fio_backend(void);
647extern void reset_fio_state(void);
648extern void clear_io_state(struct thread_data *);
649extern int fio_options_parse(struct thread_data *, char **, int);
650extern void fio_keywords_init(void);
651extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
652extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
653extern void fio_fill_default_options(struct thread_data *);
654extern int fio_show_option_help(const char *);
655extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
656extern void fio_options_dup_and_init(struct option *);
657extern void fio_options_mem_dupe(struct thread_data *);
658extern void options_mem_dupe(void *data, struct fio_option *options);
659extern void td_fill_rand_seeds(struct thread_data *);
660extern void add_job_opts(const char **);
661extern char *num2str(unsigned long, int, int, int);
662extern int ioengine_load(struct thread_data *);
663
664#define FIO_GETOPT_JOB 0x89000000
665#define FIO_GETOPT_IOENGINE 0x98000000
666#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
667
668/*
669 * ETA/status stuff
670 */
671extern void print_thread_status(void);
672extern void print_status_init(int);
673
674/*
675 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
676 * will never back again. It may cycle between running/verififying/fsyncing.
677 * Once the thread reaches TD_EXITED, it is just waiting for the core to
678 * reap it.
679 */
680enum {
681 TD_NOT_CREATED = 0,
682 TD_CREATED,
683 TD_INITIALIZED,
684 TD_SETTING_UP,
685 TD_RAMP,
686 TD_RUNNING,
687 TD_PRE_READING,
688 TD_VERIFYING,
689 TD_FSYNCING,
690 TD_EXITED,
691 TD_REAPED,
692};
693
694extern void td_set_runstate(struct thread_data *, int);
695#define TERMINATE_ALL (-1)
696extern void fio_terminate_threads(int);
697
698/*
699 * Memory helpers
700 */
701extern int __must_check fio_pin_memory(void);
702extern void fio_unpin_memory(void);
703extern int __must_check allocate_io_mem(struct thread_data *);
704extern void free_io_mem(struct thread_data *);
705
706/*
707 * Reset stats after ramp time completes
708 */
709extern void reset_all_stats(struct thread_data *);
710
711/*
712 * blktrace support
713 */
714#ifdef FIO_HAVE_BLKTRACE
715extern int is_blktrace(const char *);
716extern int load_blktrace(struct thread_data *, const char *);
717#endif
718
719/*
720 * Mark unused variables passed to ops functions as unused, to silence gcc
721 */
722#define fio_unused __attribute((__unused__))
723#define fio_init __attribute__((constructor))
724#define fio_exit __attribute__((destructor))
725
726#define for_each_td(td, i) \
727 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
728#define for_each_file(td, f, i) \
729 if ((td)->files_index) \
730 for ((i) = 0, (f) = (td)->files[0]; \
731 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
732 (i)++)
733
734#define fio_assert(td, cond) do { \
735 if (!(cond)) { \
736 int *__foo = NULL; \
737 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
738 td_set_runstate((td), TD_EXITED); \
739 (td)->error = EFAULT; \
740 *__foo = 0; \
741 } \
742} while (0)
743
744static inline int fio_fill_issue_time(struct thread_data *td)
745{
746 if (td->o.read_iolog_file ||
747 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
748 return 1;
749
750 return 0;
751}
752
753static inline int __should_check_rate(struct thread_data *td,
754 enum fio_ddir ddir)
755{
756 struct thread_options *o = &td->o;
757
758 /*
759 * If some rate setting was given, we need to check it
760 */
761 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
762 o->rate_iops_min[ddir])
763 return 1;
764
765 return 0;
766}
767
768static inline int should_check_rate(struct thread_data *td,
769 unsigned long *bytes_done)
770{
771 int ret = 0;
772
773 if (bytes_done[DDIR_READ])
774 ret |= __should_check_rate(td, DDIR_READ);
775 if (bytes_done[DDIR_WRITE])
776 ret |= __should_check_rate(td, DDIR_WRITE);
777 if (bytes_done[DDIR_TRIM])
778 ret |= __should_check_rate(td, DDIR_TRIM);
779
780 return ret;
781}
782
783static inline int is_power_of_2(unsigned int val)
784{
785 return (val != 0 && ((val & (val - 1)) == 0));
786}
787
788/*
789 * We currently only need to do locking if we have verifier threads
790 * accessing our internal structures too
791 */
792static inline void td_io_u_lock(struct thread_data *td)
793{
794 if (td->o.verify_async)
795 pthread_mutex_lock(&td->io_u_lock);
796}
797
798static inline void td_io_u_unlock(struct thread_data *td)
799{
800 if (td->o.verify_async)
801 pthread_mutex_unlock(&td->io_u_lock);
802}
803
804static inline void td_io_u_free_notify(struct thread_data *td)
805{
806 if (td->o.verify_async)
807 pthread_cond_signal(&td->free_cond);
808}
809
810extern const char *fio_get_arch_string(int);
811extern const char *fio_get_os_string(int);
812
813enum {
814 FIO_OUTPUT_TERSE = 0,
815 FIO_OUTPUT_JSON,
816 FIO_OUTPUT_NORMAL,
817};
818
819enum {
820 FIO_RAND_DIST_RANDOM = 0,
821 FIO_RAND_DIST_ZIPF,
822 FIO_RAND_DIST_PARETO,
823};
824
825#endif
fio - Flexible IO Tester