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[fio.git] / thread_options.h
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1#ifndef FIO_THREAD_OPTIONS_H
2#define FIO_THREAD_OPTIONS_H
3
4#include "arch/arch.h"
5#include "os/os.h"
6#include "options.h"
7#include "stat.h"
8#include "gettime.h"
9#include "lib/ieee754.h"
10#include "lib/pattern.h"
11#include "td_error.h"
12
13enum fio_zone_mode {
14 ZONE_MODE_NOT_SPECIFIED = 0,
15 ZONE_MODE_NONE = 1,
16 ZONE_MODE_STRIDED = 2, /* perform I/O in one zone at a time */
17 /* perform I/O across multiple zones simultaneously */
18 ZONE_MODE_ZBD = 3,
19};
20
21/*
22 * What type of allocation to use for io buffers
23 */
24enum fio_memtype {
25 MEM_MALLOC = 0, /* ordinary malloc */
26 MEM_SHM, /* use shared memory segments */
27 MEM_SHMHUGE, /* use shared memory segments with huge pages */
28 MEM_MMAP, /* use anonynomous mmap */
29 MEM_MMAPHUGE, /* memory mapped huge file */
30 MEM_MMAPSHARED, /* use mmap with shared flag */
31 MEM_CUDA_MALLOC,/* use GPU memory */
32};
33
34/*
35 * What mode to use for deduped data generation
36 */
37enum dedupe_mode {
38 DEDUPE_MODE_REPEAT = 0,
39 DEDUPE_MODE_WORKING_SET = 1,
40};
41
42#define ERROR_STR_MAX 128
43
44#define BSSPLIT_MAX 64
45#define ZONESPLIT_MAX 256
46
47struct split {
48 unsigned int nr;
49 unsigned long long val1[ZONESPLIT_MAX];
50 unsigned long long val2[ZONESPLIT_MAX];
51};
52
53struct split_prio {
54 uint64_t bs;
55 int32_t prio;
56 uint32_t perc;
57};
58
59struct bssplit {
60 uint64_t bs;
61 uint32_t perc;
62};
63
64struct zone_split {
65 uint8_t access_perc;
66 uint8_t size_perc;
67 uint8_t pad[6];
68 uint64_t size;
69};
70
71#define NR_OPTS_SZ (FIO_MAX_OPTS / (8 * sizeof(uint64_t)))
72
73#define OPT_MAGIC 0x4f50544e
74
75struct thread_options {
76 int magic;
77 uint64_t set_options[NR_OPTS_SZ];
78 char *description;
79 char *name;
80 char *wait_for;
81 char *directory;
82 char *filename;
83 char *filename_format;
84 char *opendir;
85 char *ioengine;
86 char *ioengine_so_path;
87 char *mmapfile;
88 enum td_ddir td_ddir;
89 unsigned int rw_seq;
90 unsigned int kb_base;
91 unsigned int unit_base;
92 unsigned int ddir_seq_nr;
93 long long ddir_seq_add;
94 unsigned int iodepth;
95 unsigned int iodepth_low;
96 unsigned int iodepth_batch;
97 unsigned int iodepth_batch_complete_min;
98 unsigned int iodepth_batch_complete_max;
99 unsigned int serialize_overlap;
100
101 unsigned int unique_filename;
102
103 unsigned long long size;
104 unsigned long long io_size;
105 unsigned int size_percent;
106 unsigned int size_nz;
107 unsigned int io_size_percent;
108 unsigned int io_size_nz;
109 unsigned int fill_device;
110 unsigned int file_append;
111 unsigned long long file_size_low;
112 unsigned long long file_size_high;
113 unsigned long long start_offset;
114 unsigned long long start_offset_align;
115 unsigned int start_offset_nz;
116
117 unsigned long long bs[DDIR_RWDIR_CNT];
118 unsigned long long ba[DDIR_RWDIR_CNT];
119 unsigned long long min_bs[DDIR_RWDIR_CNT];
120 unsigned long long max_bs[DDIR_RWDIR_CNT];
121 struct bssplit *bssplit[DDIR_RWDIR_CNT];
122 unsigned int bssplit_nr[DDIR_RWDIR_CNT];
123
124 int *ignore_error[ERROR_TYPE_CNT];
125 unsigned int ignore_error_nr[ERROR_TYPE_CNT];
126 unsigned int error_dump;
127
128 unsigned int nr_files;
129 unsigned int open_files;
130 enum file_lock_mode file_lock_mode;
131
132 unsigned int odirect;
133 unsigned int oatomic;
134 unsigned int invalidate_cache;
135 unsigned int create_serialize;
136 unsigned int create_fsync;
137 unsigned int create_on_open;
138 unsigned int create_only;
139 unsigned int end_fsync;
140 unsigned int pre_read;
141 unsigned int sync_io;
142 unsigned int write_hint;
143 unsigned int verify;
144 unsigned int do_verify;
145 unsigned int verify_interval;
146 unsigned int verify_offset;
147 char verify_pattern[MAX_PATTERN_SIZE];
148 unsigned int verify_pattern_bytes;
149 struct pattern_fmt verify_fmt[8];
150 unsigned int verify_fmt_sz;
151 unsigned int verify_fatal;
152 unsigned int verify_dump;
153 unsigned int verify_async;
154 unsigned long long verify_backlog;
155 unsigned int verify_batch;
156 unsigned int experimental_verify;
157 unsigned int verify_state;
158 unsigned int verify_state_save;
159 unsigned int use_thread;
160 unsigned int unlink;
161 unsigned int unlink_each_loop;
162 unsigned int do_disk_util;
163 unsigned int override_sync;
164 unsigned int rand_repeatable;
165 unsigned int allrand_repeatable;
166 unsigned long long rand_seed;
167 unsigned int log_avg_msec;
168 unsigned int log_hist_msec;
169 unsigned int log_hist_coarseness;
170 unsigned int log_max;
171 unsigned int log_offset;
172 unsigned int log_gz;
173 unsigned int log_gz_store;
174 unsigned int log_unix_epoch;
175 unsigned int log_alternate_epoch;
176 unsigned int log_alternate_epoch_clock_id;
177 unsigned int norandommap;
178 unsigned int softrandommap;
179 unsigned int bs_unaligned;
180 unsigned int fsync_on_close;
181 unsigned int bs_is_seq_rand;
182
183 unsigned int verify_only;
184
185 unsigned int random_distribution;
186 unsigned int exitall_error;
187
188 struct zone_split *zone_split[DDIR_RWDIR_CNT];
189 unsigned int zone_split_nr[DDIR_RWDIR_CNT];
190
191 fio_fp64_t zipf_theta;
192 fio_fp64_t pareto_h;
193 fio_fp64_t gauss_dev;
194 fio_fp64_t random_center;
195
196 unsigned int random_generator;
197
198 unsigned int perc_rand[DDIR_RWDIR_CNT];
199
200 unsigned int hugepage_size;
201 unsigned long long rw_min_bs;
202 unsigned int fsync_blocks;
203 unsigned int fdatasync_blocks;
204 unsigned int barrier_blocks;
205 unsigned long long start_delay;
206 unsigned long long start_delay_orig;
207 unsigned long long start_delay_high;
208 unsigned long long timeout;
209 unsigned long long ramp_time;
210 unsigned int ss_state;
211 fio_fp64_t ss_limit;
212 unsigned long long ss_dur;
213 unsigned long long ss_ramp_time;
214 unsigned int overwrite;
215 unsigned int bw_avg_time;
216 unsigned int iops_avg_time;
217 unsigned int loops;
218 unsigned long long zone_range;
219 unsigned long long zone_size;
220 unsigned long long zone_capacity;
221 unsigned long long zone_skip;
222 uint32_t zone_skip_nz;
223 enum fio_zone_mode zone_mode;
224 unsigned long long lockmem;
225 enum fio_memtype mem_type;
226 unsigned int mem_align;
227
228 unsigned long long max_latency[DDIR_RWDIR_CNT];
229
230 unsigned int exit_what;
231 unsigned int stonewall;
232 unsigned int new_group;
233 unsigned int numjobs;
234 os_cpu_mask_t cpumask;
235 os_cpu_mask_t verify_cpumask;
236 os_cpu_mask_t log_gz_cpumask;
237 unsigned int cpus_allowed_policy;
238 char *numa_cpunodes;
239 unsigned short numa_mem_mode;
240 unsigned int numa_mem_prefer_node;
241 char *numa_memnodes;
242 unsigned int gpu_dev_id;
243 unsigned int start_offset_percent;
244
245 unsigned int iolog;
246 unsigned int rwmixcycle;
247 unsigned int rwmix[DDIR_RWDIR_CNT];
248 unsigned int nice;
249 unsigned int ioprio;
250 unsigned int ioprio_class;
251 unsigned int file_service_type;
252 unsigned int group_reporting;
253 unsigned int stats;
254 unsigned int fadvise_hint;
255 enum fio_fallocate_mode fallocate_mode;
256 unsigned int zero_buffers;
257 unsigned int refill_buffers;
258 unsigned int scramble_buffers;
259 char buffer_pattern[MAX_PATTERN_SIZE];
260 unsigned int buffer_pattern_bytes;
261 unsigned int compress_percentage;
262 unsigned int compress_chunk;
263 unsigned int dedupe_percentage;
264 unsigned int dedupe_mode;
265 unsigned int dedupe_working_set_percentage;
266 unsigned int dedupe_global;
267 unsigned int time_based;
268 unsigned int disable_lat;
269 unsigned int disable_clat;
270 unsigned int disable_slat;
271 unsigned int disable_bw;
272 unsigned int unified_rw_rep;
273 unsigned int gtod_reduce;
274 unsigned int gtod_cpu;
275 enum fio_cs clocksource;
276 unsigned int no_stall;
277 unsigned int trim_percentage;
278 unsigned int trim_batch;
279 unsigned int trim_zero;
280 unsigned long long trim_backlog;
281 unsigned int clat_percentiles;
282 unsigned int slat_percentiles;
283 unsigned int lat_percentiles;
284 unsigned int percentile_precision; /* digits after decimal for percentiles */
285 fio_fp64_t percentile_list[FIO_IO_U_LIST_MAX_LEN];
286
287 char *read_iolog_file;
288 bool read_iolog_chunked;
289 char *write_iolog_file;
290 char *merge_blktrace_file;
291 fio_fp64_t merge_blktrace_scalars[FIO_IO_U_LIST_MAX_LEN];
292 fio_fp64_t merge_blktrace_iters[FIO_IO_U_LIST_MAX_LEN];
293
294 unsigned int write_bw_log;
295 unsigned int write_lat_log;
296 unsigned int write_iops_log;
297 unsigned int write_hist_log;
298
299 char *bw_log_file;
300 char *lat_log_file;
301 char *iops_log_file;
302 char *hist_log_file;
303 char *replay_redirect;
304
305 /*
306 * Pre-run and post-run shell
307 */
308 char *exec_prerun;
309 char *exec_postrun;
310
311 unsigned int thinktime;
312 unsigned int thinktime_spin;
313 unsigned int thinktime_blocks;
314 unsigned int thinktime_blocks_type;
315 unsigned int thinktime_iotime;
316
317 uint64_t rate[DDIR_RWDIR_CNT];
318 uint64_t ratemin[DDIR_RWDIR_CNT];
319 unsigned int ratecycle;
320 unsigned int io_submit_mode;
321 unsigned int rate_iops[DDIR_RWDIR_CNT];
322 unsigned int rate_iops_min[DDIR_RWDIR_CNT];
323 unsigned int rate_process;
324 unsigned int rate_ign_think;
325
326 char *ioscheduler;
327
328 /*
329 * I/O Error handling
330 */
331 enum error_type continue_on_error;
332
333 /*
334 * Benchmark profile type
335 */
336 char *profile;
337
338 /*
339 * blkio cgroup support
340 */
341 char *cgroup;
342 unsigned int cgroup_weight;
343 unsigned int cgroup_nodelete;
344
345 unsigned int uid;
346 unsigned int gid;
347
348 unsigned int offset_increment_percent;
349 unsigned int offset_increment_nz;
350 unsigned long long offset_increment;
351 unsigned long long number_ios;
352
353 unsigned int sync_file_range;
354
355 unsigned long long latency_target;
356 unsigned long long latency_window;
357 fio_fp64_t latency_percentile;
358 uint32_t latency_run;
359
360 /*
361 * flow support
362 */
363 int flow_id;
364 unsigned int flow;
365 unsigned int flow_sleep;
366
367 unsigned int sig_figs;
368
369 unsigned block_error_hist;
370
371 unsigned int replay_align;
372 unsigned int replay_scale;
373 unsigned int replay_time_scale;
374 unsigned int replay_skip;
375
376 unsigned int per_job_logs;
377
378 unsigned int allow_create;
379 unsigned int allow_mounted_write;
380
381 /* Parameters that affect zonemode=zbd */
382 unsigned int read_beyond_wp;
383 int max_open_zones;
384 unsigned int job_max_open_zones;
385 unsigned int ignore_zone_limits;
386 fio_fp64_t zrt;
387 fio_fp64_t zrf;
388
389 unsigned int log_entries;
390 unsigned int log_prio;
391};
392
393#define FIO_TOP_STR_MAX 256
394
395struct thread_options_pack {
396 uint64_t set_options[NR_OPTS_SZ];
397 uint8_t description[FIO_TOP_STR_MAX];
398 uint8_t name[FIO_TOP_STR_MAX];
399 uint8_t wait_for[FIO_TOP_STR_MAX];
400 uint8_t directory[FIO_TOP_STR_MAX];
401 uint8_t filename[FIO_TOP_STR_MAX];
402 uint8_t filename_format[FIO_TOP_STR_MAX];
403 uint8_t opendir[FIO_TOP_STR_MAX];
404 uint8_t ioengine[FIO_TOP_STR_MAX];
405 uint8_t mmapfile[FIO_TOP_STR_MAX];
406 uint32_t td_ddir;
407 uint32_t rw_seq;
408 uint32_t kb_base;
409 uint32_t unit_base;
410 uint32_t ddir_seq_nr;
411 uint64_t ddir_seq_add;
412 uint32_t iodepth;
413 uint32_t iodepth_low;
414 uint32_t iodepth_batch;
415 uint32_t iodepth_batch_complete_min;
416 uint32_t iodepth_batch_complete_max;
417 uint32_t serialize_overlap;
418 uint32_t pad;
419
420 uint64_t size;
421 uint64_t io_size;
422 uint32_t size_percent;
423 uint32_t size_nz;
424 uint32_t io_size_percent;
425 uint32_t io_size_nz;
426 uint32_t fill_device;
427 uint32_t file_append;
428 uint32_t unique_filename;
429 uint32_t pad3;
430 uint64_t file_size_low;
431 uint64_t file_size_high;
432 uint64_t start_offset;
433 uint64_t start_offset_align;
434 uint32_t start_offset_nz;
435 uint32_t pad4;
436
437 uint64_t bs[DDIR_RWDIR_CNT];
438 uint64_t ba[DDIR_RWDIR_CNT];
439 uint64_t min_bs[DDIR_RWDIR_CNT];
440 uint64_t max_bs[DDIR_RWDIR_CNT];
441 struct bssplit bssplit[DDIR_RWDIR_CNT][BSSPLIT_MAX];
442 uint32_t bssplit_nr[DDIR_RWDIR_CNT];
443
444 uint32_t ignore_error[ERROR_TYPE_CNT][ERROR_STR_MAX];
445 uint32_t ignore_error_nr[ERROR_TYPE_CNT];
446 uint32_t error_dump;
447
448 uint32_t nr_files;
449 uint32_t open_files;
450 uint32_t file_lock_mode;
451
452 uint32_t odirect;
453 uint32_t oatomic;
454 uint32_t invalidate_cache;
455 uint32_t create_serialize;
456 uint32_t create_fsync;
457 uint32_t create_on_open;
458 uint32_t create_only;
459 uint32_t end_fsync;
460 uint32_t pre_read;
461 uint32_t sync_io;
462 uint32_t write_hint;
463 uint32_t verify;
464 uint32_t do_verify;
465 uint32_t verify_interval;
466 uint32_t verify_offset;
467 uint8_t verify_pattern[MAX_PATTERN_SIZE];
468 uint32_t verify_pattern_bytes;
469 uint32_t verify_fatal;
470 uint32_t verify_dump;
471 uint32_t verify_async;
472 uint64_t verify_backlog;
473 uint32_t verify_batch;
474 uint32_t experimental_verify;
475 uint32_t verify_state;
476 uint32_t verify_state_save;
477 uint32_t use_thread;
478 uint32_t unlink;
479 uint32_t unlink_each_loop;
480 uint32_t do_disk_util;
481 uint32_t override_sync;
482 uint32_t rand_repeatable;
483 uint32_t allrand_repeatable;
484 uint32_t pad2;
485 uint64_t rand_seed;
486 uint32_t log_avg_msec;
487 uint32_t log_hist_msec;
488 uint32_t log_hist_coarseness;
489 uint32_t log_max;
490 uint32_t log_offset;
491 uint32_t log_gz;
492 uint32_t log_gz_store;
493 uint32_t log_unix_epoch;
494 uint32_t log_alternate_epoch;
495 uint32_t log_alternate_epoch_clock_id;
496 uint32_t norandommap;
497 uint32_t softrandommap;
498 uint32_t bs_unaligned;
499 uint32_t fsync_on_close;
500 uint32_t bs_is_seq_rand;
501
502 uint32_t random_distribution;
503 uint32_t exitall_error;
504
505 uint32_t sync_file_range;
506
507 struct zone_split zone_split[DDIR_RWDIR_CNT][ZONESPLIT_MAX];
508 uint32_t zone_split_nr[DDIR_RWDIR_CNT];
509
510 fio_fp64_t zipf_theta;
511 fio_fp64_t pareto_h;
512 fio_fp64_t gauss_dev;
513 fio_fp64_t random_center;
514
515 uint32_t random_generator;
516
517 uint32_t perc_rand[DDIR_RWDIR_CNT];
518
519 uint32_t hugepage_size;
520 uint64_t rw_min_bs;
521 uint32_t fsync_blocks;
522 uint32_t fdatasync_blocks;
523 uint32_t barrier_blocks;
524 uint64_t start_delay;
525 uint64_t start_delay_high;
526 uint64_t timeout;
527 uint64_t ramp_time;
528 uint64_t ss_dur;
529 uint64_t ss_ramp_time;
530 uint32_t ss_state;
531 fio_fp64_t ss_limit;
532 uint32_t overwrite;
533 uint32_t bw_avg_time;
534 uint32_t iops_avg_time;
535 uint32_t loops;
536 uint64_t zone_range;
537 uint64_t zone_size;
538 uint64_t zone_capacity;
539 uint64_t zone_skip;
540 uint64_t lockmem;
541 uint32_t zone_skip_nz;
542 uint32_t mem_type;
543 uint32_t mem_align;
544
545 uint32_t exit_what;
546 uint32_t stonewall;
547 uint32_t new_group;
548 uint32_t numjobs;
549
550 /*
551 * We currently can't convert these, so don't enable them
552 */
553#if 0
554 uint8_t cpumask[FIO_TOP_STR_MAX];
555 uint8_t verify_cpumask[FIO_TOP_STR_MAX];
556 uint8_t log_gz_cpumask[FIO_TOP_STR_MAX];
557#endif
558 uint32_t gpu_dev_id;
559 uint32_t start_offset_percent;
560 uint32_t cpus_allowed_policy;
561 uint32_t iolog;
562 uint32_t rwmixcycle;
563 uint32_t rwmix[DDIR_RWDIR_CNT];
564 uint32_t nice;
565 uint32_t ioprio;
566 uint32_t ioprio_class;
567 uint32_t file_service_type;
568 uint32_t group_reporting;
569 uint32_t stats;
570 uint32_t fadvise_hint;
571 uint32_t fallocate_mode;
572 uint32_t zero_buffers;
573 uint32_t refill_buffers;
574 uint32_t scramble_buffers;
575 uint8_t buffer_pattern[MAX_PATTERN_SIZE];
576 uint32_t buffer_pattern_bytes;
577 uint32_t compress_percentage;
578 uint32_t compress_chunk;
579 uint32_t dedupe_percentage;
580 uint32_t dedupe_mode;
581 uint32_t dedupe_working_set_percentage;
582 uint32_t dedupe_global;
583 uint32_t time_based;
584 uint32_t disable_lat;
585 uint32_t disable_clat;
586 uint32_t disable_slat;
587 uint32_t disable_bw;
588 uint32_t unified_rw_rep;
589 uint32_t gtod_reduce;
590 uint32_t gtod_cpu;
591 uint32_t clocksource;
592 uint32_t no_stall;
593 uint32_t trim_percentage;
594 uint32_t trim_batch;
595 uint32_t trim_zero;
596 uint64_t trim_backlog;
597 uint32_t clat_percentiles;
598 uint32_t lat_percentiles;
599 uint32_t slat_percentiles;
600 uint32_t percentile_precision;
601 uint32_t pad5;
602 fio_fp64_t percentile_list[FIO_IO_U_LIST_MAX_LEN];
603
604 uint8_t read_iolog_file[FIO_TOP_STR_MAX];
605 uint8_t write_iolog_file[FIO_TOP_STR_MAX];
606 uint8_t merge_blktrace_file[FIO_TOP_STR_MAX];
607 fio_fp64_t merge_blktrace_scalars[FIO_IO_U_LIST_MAX_LEN];
608 fio_fp64_t merge_blktrace_iters[FIO_IO_U_LIST_MAX_LEN];
609
610 uint32_t write_bw_log;
611 uint32_t write_lat_log;
612 uint32_t write_iops_log;
613 uint32_t write_hist_log;
614
615 uint8_t bw_log_file[FIO_TOP_STR_MAX];
616 uint8_t lat_log_file[FIO_TOP_STR_MAX];
617 uint8_t iops_log_file[FIO_TOP_STR_MAX];
618 uint8_t hist_log_file[FIO_TOP_STR_MAX];
619 uint8_t replay_redirect[FIO_TOP_STR_MAX];
620
621 /*
622 * Pre-run and post-run shell
623 */
624 uint8_t exec_prerun[FIO_TOP_STR_MAX];
625 uint8_t exec_postrun[FIO_TOP_STR_MAX];
626
627 uint32_t thinktime;
628 uint32_t thinktime_spin;
629 uint32_t thinktime_blocks;
630 uint32_t thinktime_blocks_type;
631 uint32_t thinktime_iotime;
632
633 uint64_t rate[DDIR_RWDIR_CNT];
634 uint64_t ratemin[DDIR_RWDIR_CNT];
635 uint32_t ratecycle;
636 uint32_t io_submit_mode;
637 uint32_t rate_iops[DDIR_RWDIR_CNT];
638 uint32_t rate_iops_min[DDIR_RWDIR_CNT];
639 uint32_t rate_process;
640 uint32_t rate_ign_think;
641
642 uint8_t ioscheduler[FIO_TOP_STR_MAX];
643
644 /*
645 * I/O Error handling
646 */
647 uint32_t continue_on_error;
648
649 /*
650 * Benchmark profile type
651 */
652 uint8_t profile[FIO_TOP_STR_MAX];
653
654 /*
655 * blkio cgroup support
656 */
657 uint8_t cgroup[FIO_TOP_STR_MAX];
658 uint32_t cgroup_weight;
659 uint32_t cgroup_nodelete;
660
661 uint32_t uid;
662 uint32_t gid;
663
664 uint32_t offset_increment_percent;
665 uint32_t offset_increment_nz;
666 uint64_t offset_increment;
667 uint64_t number_ios;
668
669 uint64_t latency_target;
670 uint64_t latency_window;
671 uint64_t max_latency[DDIR_RWDIR_CNT];
672 fio_fp64_t latency_percentile;
673 uint32_t latency_run;
674
675 /*
676 * flow support
677 */
678 int32_t flow_id;
679 uint32_t flow;
680 uint32_t flow_sleep;
681
682 uint32_t sig_figs;
683
684 uint32_t block_error_hist;
685
686 uint32_t replay_align;
687 uint32_t replay_scale;
688 uint32_t replay_time_scale;
689 uint32_t replay_skip;
690
691 uint32_t per_job_logs;
692
693 uint32_t allow_create;
694 uint32_t allow_mounted_write;
695
696 uint32_t zone_mode;
697 int32_t max_open_zones;
698 uint32_t ignore_zone_limits;
699
700 uint32_t log_entries;
701 uint32_t log_prio;
702} __attribute__((packed));
703
704extern void convert_thread_options_to_cpu(struct thread_options *o, struct thread_options_pack *top);
705extern void convert_thread_options_to_net(struct thread_options_pack *top, struct thread_options *);
706extern int fio_test_cconv(struct thread_options *);
707extern void options_default_fill(struct thread_options *o);
708
709typedef int (split_parse_fn)(struct thread_options *, void *,
710 enum fio_ddir, char *, bool);
711
712extern int str_split_parse(struct thread_data *td, char *str,
713 split_parse_fn *fn, void *eo, bool data);
714
715extern int split_parse_ddir(struct thread_options *o, struct split *split,
716 char *str, bool absolute, unsigned int max_splits);
717
718extern int split_parse_prio_ddir(struct thread_options *o,
719 struct split_prio **entries, int *nr_entries,
720 char *str);
721
722#endif
fio - Flexible IO Tester