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Add kb_base option to specify the base unit of a kilobyte
[fio.git] / options.c
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
6#include <getopt.h>
7#include <assert.h>
8#include <libgen.h>
9#include <fcntl.h>
10#include <sys/types.h>
11#include <sys/stat.h>
12
13#include "fio.h"
14#include "verify.h"
15#include "parse.h"
16#include "lib/fls.h"
17
18#define td_var_offset(var) ((size_t) &((struct thread_options *)0)->var)
19
20/*
21 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
22 */
23static char *get_opt_postfix(const char *str)
24{
25 char *p = strstr(str, ":");
26
27 if (!p)
28 return NULL;
29
30 p++;
31 strip_blank_front(&p);
32 strip_blank_end(p);
33 return strdup(p);
34}
35
36static int bs_cmp(const void *p1, const void *p2)
37{
38 const struct bssplit *bsp1 = p1;
39 const struct bssplit *bsp2 = p2;
40
41 return bsp1->perc < bsp2->perc;
42}
43
44static int bssplit_ddir(struct thread_data *td, int ddir, char *str)
45{
46 struct bssplit *bssplit;
47 unsigned int i, perc, perc_missing;
48 unsigned int max_bs, min_bs;
49 long long val;
50 char *fname;
51
52 td->o.bssplit_nr[ddir] = 4;
53 bssplit = malloc(4 * sizeof(struct bssplit));
54
55 i = 0;
56 max_bs = 0;
57 min_bs = -1;
58 while ((fname = strsep(&str, ":")) != NULL) {
59 char *perc_str;
60
61 if (!strlen(fname))
62 break;
63
64 /*
65 * grow struct buffer, if needed
66 */
67 if (i == td->o.bssplit_nr[ddir]) {
68 td->o.bssplit_nr[ddir] <<= 1;
69 bssplit = realloc(bssplit, td->o.bssplit_nr[ddir]
70 * sizeof(struct bssplit));
71 }
72
73 perc_str = strstr(fname, "/");
74 if (perc_str) {
75 *perc_str = '\0';
76 perc_str++;
77 perc = atoi(perc_str);
78 if (perc > 100)
79 perc = 100;
80 else if (!perc)
81 perc = -1;
82 } else
83 perc = -1;
84
85 if (str_to_decimal(fname, &val, 1)) {
86 log_err("fio: bssplit conversion failed\n");
87 free(td->o.bssplit);
88 return 1;
89 }
90
91 if (val > max_bs)
92 max_bs = val;
93 if (val < min_bs)
94 min_bs = val;
95
96 bssplit[i].bs = val;
97 bssplit[i].perc = perc;
98 i++;
99 }
100
101 td->o.bssplit_nr[ddir] = i;
102
103 /*
104 * Now check if the percentages add up, and how much is missing
105 */
106 perc = perc_missing = 0;
107 for (i = 0; i < td->o.bssplit_nr[ddir]; i++) {
108 struct bssplit *bsp = &bssplit[i];
109
110 if (bsp->perc == (unsigned char) -1)
111 perc_missing++;
112 else
113 perc += bsp->perc;
114 }
115
116 if (perc > 100) {
117 log_err("fio: bssplit percentages add to more than 100%%\n");
118 free(bssplit);
119 return 1;
120 }
121 /*
122 * If values didn't have a percentage set, divide the remains between
123 * them.
124 */
125 if (perc_missing) {
126 for (i = 0; i < td->o.bssplit_nr[ddir]; i++) {
127 struct bssplit *bsp = &bssplit[i];
128
129 if (bsp->perc == (unsigned char) -1)
130 bsp->perc = (100 - perc) / perc_missing;
131 }
132 }
133
134 td->o.min_bs[ddir] = min_bs;
135 td->o.max_bs[ddir] = max_bs;
136
137 /*
138 * now sort based on percentages, for ease of lookup
139 */
140 qsort(bssplit, td->o.bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
141 td->o.bssplit[ddir] = bssplit;
142 return 0;
143
144}
145
146static int str_bssplit_cb(void *data, const char *input)
147{
148 struct thread_data *td = data;
149 char *str, *p, *odir;
150 int ret = 0;
151
152 p = str = strdup(input);
153
154 strip_blank_front(&str);
155 strip_blank_end(str);
156
157 odir = strchr(str, ',');
158 if (odir) {
159 ret = bssplit_ddir(td, DDIR_WRITE, odir + 1);
160 if (!ret) {
161 *odir = '\0';
162 ret = bssplit_ddir(td, DDIR_READ, str);
163 }
164 } else {
165 char *op;
166
167 op = strdup(str);
168
169 ret = bssplit_ddir(td, DDIR_READ, str);
170 if (!ret)
171 ret = bssplit_ddir(td, DDIR_WRITE, op);
172
173 free(op);
174 }
175
176 free(p);
177 return ret;
178}
179
180static int str_rw_cb(void *data, const char *str)
181{
182 struct thread_data *td = data;
183 char *nr = get_opt_postfix(str);
184
185 td->o.ddir_nr = 1;
186 if (nr) {
187 td->o.ddir_nr = atoi(nr);
188 free(nr);
189 }
190
191 return 0;
192}
193
194static int str_mem_cb(void *data, const char *mem)
195{
196 struct thread_data *td = data;
197
198 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) {
199 td->mmapfile = get_opt_postfix(mem);
200 if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) {
201 log_err("fio: mmaphuge:/path/to/file\n");
202 return 1;
203 }
204 }
205
206 return 0;
207}
208
209static int str_lockmem_cb(void fio_unused *data, unsigned long *val)
210{
211 mlock_size = *val;
212 return 0;
213}
214
215static int str_rwmix_read_cb(void *data, unsigned int *val)
216{
217 struct thread_data *td = data;
218
219 td->o.rwmix[DDIR_READ] = *val;
220 td->o.rwmix[DDIR_WRITE] = 100 - *val;
221 return 0;
222}
223
224static int str_rwmix_write_cb(void *data, unsigned int *val)
225{
226 struct thread_data *td = data;
227
228 td->o.rwmix[DDIR_WRITE] = *val;
229 td->o.rwmix[DDIR_READ] = 100 - *val;
230 return 0;
231}
232
233#ifdef FIO_HAVE_IOPRIO
234static int str_prioclass_cb(void *data, unsigned int *val)
235{
236 struct thread_data *td = data;
237 unsigned short mask;
238
239 /*
240 * mask off old class bits, str_prio_cb() may have set a default class
241 */
242 mask = (1 << IOPRIO_CLASS_SHIFT) - 1;
243 td->ioprio &= mask;
244
245 td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
246 td->ioprio_set = 1;
247 return 0;
248}
249
250static int str_prio_cb(void *data, unsigned int *val)
251{
252 struct thread_data *td = data;
253
254 td->ioprio |= *val;
255
256 /*
257 * If no class is set, assume BE
258 */
259 if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0)
260 td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT;
261
262 td->ioprio_set = 1;
263 return 0;
264}
265#endif
266
267static int str_exitall_cb(void)
268{
269 exitall_on_terminate = 1;
270 return 0;
271}
272
273#ifdef FIO_HAVE_CPU_AFFINITY
274static int str_cpumask_cb(void *data, unsigned int *val)
275{
276 struct thread_data *td = data;
277 unsigned int i;
278 long max_cpu;
279 int ret;
280
281 ret = fio_cpuset_init(&td->o.cpumask);
282 if (ret < 0) {
283 log_err("fio: cpuset_init failed\n");
284 td_verror(td, ret, "fio_cpuset_init");
285 return 1;
286 }
287
288 max_cpu = sysconf(_SC_NPROCESSORS_ONLN);
289
290 for (i = 0; i < sizeof(int) * 8; i++) {
291 if ((1 << i) & *val) {
292 if (i > max_cpu) {
293 log_err("fio: CPU %d too large (max=%ld)\n", i,
294 max_cpu);
295 return 1;
296 }
297 dprint(FD_PARSE, "set cpu allowed %d\n", i);
298 fio_cpu_set(&td->o.cpumask, i);
299 }
300 }
301
302 td->o.cpumask_set = 1;
303 return 0;
304}
305
306static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
307 const char *input)
308{
309 char *cpu, *str, *p;
310 long max_cpu;
311 int ret = 0;
312
313 ret = fio_cpuset_init(mask);
314 if (ret < 0) {
315 log_err("fio: cpuset_init failed\n");
316 td_verror(td, ret, "fio_cpuset_init");
317 return 1;
318 }
319
320 p = str = strdup(input);
321
322 strip_blank_front(&str);
323 strip_blank_end(str);
324
325 max_cpu = sysconf(_SC_NPROCESSORS_ONLN);
326
327 while ((cpu = strsep(&str, ",")) != NULL) {
328 char *str2, *cpu2;
329 int icpu, icpu2;
330
331 if (!strlen(cpu))
332 break;
333
334 str2 = cpu;
335 icpu2 = -1;
336 while ((cpu2 = strsep(&str2, "-")) != NULL) {
337 if (!strlen(cpu2))
338 break;
339
340 icpu2 = atoi(cpu2);
341 }
342
343 icpu = atoi(cpu);
344 if (icpu2 == -1)
345 icpu2 = icpu;
346 while (icpu <= icpu2) {
347 if (icpu >= FIO_MAX_CPUS) {
348 log_err("fio: your OS only supports up to"
349 " %d CPUs\n", (int) FIO_MAX_CPUS);
350 ret = 1;
351 break;
352 }
353 if (icpu > max_cpu) {
354 log_err("fio: CPU %d too large (max=%ld)\n",
355 icpu, max_cpu);
356 ret = 1;
357 break;
358 }
359
360 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
361 fio_cpu_set(mask, icpu);
362 icpu++;
363 }
364 if (ret)
365 break;
366 }
367
368 free(p);
369 if (!ret)
370 td->o.cpumask_set = 1;
371 return ret;
372}
373
374static int str_cpus_allowed_cb(void *data, const char *input)
375{
376 struct thread_data *td = data;
377 int ret;
378
379 ret = set_cpus_allowed(td, &td->o.cpumask, input);
380 if (!ret)
381 td->o.cpumask_set = 1;
382
383 return ret;
384}
385
386static int str_verify_cpus_allowed_cb(void *data, const char *input)
387{
388 struct thread_data *td = data;
389 int ret;
390
391 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
392 if (!ret)
393 td->o.verify_cpumask_set = 1;
394
395 return ret;
396}
397#endif
398
399static int str_fst_cb(void *data, const char *str)
400{
401 struct thread_data *td = data;
402 char *nr = get_opt_postfix(str);
403
404 td->file_service_nr = 1;
405 if (nr) {
406 td->file_service_nr = atoi(nr);
407 free(nr);
408 }
409
410 return 0;
411}
412
413static int check_dir(struct thread_data *td, char *fname)
414{
415 char file[PATH_MAX], *dir;
416 int elen = 0;
417
418 if (td->o.directory) {
419 strcpy(file, td->o.directory);
420 strcat(file, "/");
421 elen = strlen(file);
422 }
423
424 sprintf(file + elen, "%s", fname);
425 dir = dirname(file);
426
427#if 0
428 {
429 struct stat sb;
430 /*
431 * We can't do this on FIO_DISKLESSIO engines. The engine isn't loaded
432 * yet, so we can't do this check right here...
433 */
434 if (lstat(dir, &sb) < 0) {
435 int ret = errno;
436
437 log_err("fio: %s is not a directory\n", dir);
438 td_verror(td, ret, "lstat");
439 return 1;
440 }
441
442 if (!S_ISDIR(sb.st_mode)) {
443 log_err("fio: %s is not a directory\n", dir);
444 return 1;
445 }
446 }
447#endif
448
449 return 0;
450}
451
452static int str_filename_cb(void *data, const char *input)
453{
454 struct thread_data *td = data;
455 char *fname, *str, *p;
456
457 p = str = strdup(input);
458
459 strip_blank_front(&str);
460 strip_blank_end(str);
461
462 if (!td->files_index)
463 td->o.nr_files = 0;
464
465 while ((fname = strsep(&str, ":")) != NULL) {
466 if (!strlen(fname))
467 break;
468 if (check_dir(td, fname)) {
469 free(p);
470 return 1;
471 }
472 add_file(td, fname);
473 td->o.nr_files++;
474 }
475
476 free(p);
477 return 0;
478}
479
480static int str_directory_cb(void *data, const char fio_unused *str)
481{
482 struct thread_data *td = data;
483 struct stat sb;
484
485 if (lstat(td->o.directory, &sb) < 0) {
486 int ret = errno;
487
488 log_err("fio: %s is not a directory\n", td->o.directory);
489 td_verror(td, ret, "lstat");
490 return 1;
491 }
492 if (!S_ISDIR(sb.st_mode)) {
493 log_err("fio: %s is not a directory\n", td->o.directory);
494 return 1;
495 }
496
497 return 0;
498}
499
500static int str_opendir_cb(void *data, const char fio_unused *str)
501{
502 struct thread_data *td = data;
503
504 if (!td->files_index)
505 td->o.nr_files = 0;
506
507 return add_dir_files(td, td->o.opendir);
508}
509
510static int str_verify_offset_cb(void *data, unsigned int *off)
511{
512 struct thread_data *td = data;
513
514 if (*off && *off < sizeof(struct verify_header)) {
515 log_err("fio: verify_offset too small\n");
516 return 1;
517 }
518
519 td->o.verify_offset = *off;
520 return 0;
521}
522
523static int str_verify_pattern_cb(void *data, unsigned int *off)
524{
525 struct thread_data *td = data;
526 unsigned int msb;
527
528 msb = __fls(*off);
529 if (msb <= 8)
530 td->o.verify_pattern_bytes = 1;
531 else if (msb <= 16)
532 td->o.verify_pattern_bytes = 2;
533 else if (msb <= 24)
534 td->o.verify_pattern_bytes = 3;
535 else
536 td->o.verify_pattern_bytes = 4;
537
538 td->o.verify_pattern = *off;
539 return 0;
540}
541
542static int str_lockfile_cb(void *data, const char *str)
543{
544 struct thread_data *td = data;
545 char *nr = get_opt_postfix(str);
546
547 td->o.lockfile_batch = 1;
548 if (nr) {
549 td->o.lockfile_batch = atoi(nr);
550 free(nr);
551 }
552
553 return 0;
554}
555
556static int str_write_bw_log_cb(void *data, const char *str)
557{
558 struct thread_data *td = data;
559
560 if (str)
561 td->o.bw_log_file = strdup(str);
562
563 td->o.write_bw_log = 1;
564 return 0;
565}
566
567static int str_write_lat_log_cb(void *data, const char *str)
568{
569 struct thread_data *td = data;
570
571 if (str)
572 td->o.lat_log_file = strdup(str);
573
574 td->o.write_lat_log = 1;
575 return 0;
576}
577
578static int str_gtod_reduce_cb(void *data, int *il)
579{
580 struct thread_data *td = data;
581 int val = *il;
582
583 td->o.disable_clat = !!val;
584 td->o.disable_slat = !!val;
585 td->o.disable_bw = !!val;
586 if (val)
587 td->tv_cache_mask = 63;
588
589 return 0;
590}
591
592static int str_gtod_cpu_cb(void *data, int *il)
593{
594 struct thread_data *td = data;
595 int val = *il;
596
597 td->o.gtod_cpu = val;
598 td->o.gtod_offload = 1;
599 return 0;
600}
601
602static int rw_verify(struct fio_option *o, void *data)
603{
604 struct thread_data *td = data;
605
606 if (read_only && td_write(td)) {
607 log_err("fio: job <%s> has write bit set, but fio is in"
608 " read-only mode\n", td->o.name);
609 return 1;
610 }
611
612 return 0;
613}
614
615static int gtod_cpu_verify(struct fio_option *o, void *data)
616{
617#ifndef FIO_HAVE_CPU_AFFINITY
618 struct thread_data *td = data;
619
620 if (td->o.gtod_cpu) {
621 log_err("fio: platform must support CPU affinity for"
622 "gettimeofday() offloading\n");
623 return 1;
624 }
625#endif
626
627 return 0;
628}
629
630static int kb_base_verify(struct fio_option *o, void *data)
631{
632 struct thread_data *td = data;
633
634 if (td->o.kb_base != 1024 && td->o.kb_base != 1000) {
635 log_err("fio: kb_base set to nonsensical value: %u\n",
636 td->o.kb_base);
637 return 1;
638 }
639
640 return 0;
641}
642
643#define __stringify_1(x) #x
644#define __stringify(x) __stringify_1(x)
645
646/*
647 * Map of job/command line options
648 */
649static struct fio_option options[] = {
650 {
651 .name = "description",
652 .type = FIO_OPT_STR_STORE,
653 .off1 = td_var_offset(description),
654 .help = "Text job description",
655 },
656 {
657 .name = "name",
658 .type = FIO_OPT_STR_STORE,
659 .off1 = td_var_offset(name),
660 .help = "Name of this job",
661 },
662 {
663 .name = "directory",
664 .type = FIO_OPT_STR_STORE,
665 .off1 = td_var_offset(directory),
666 .cb = str_directory_cb,
667 .help = "Directory to store files in",
668 },
669 {
670 .name = "filename",
671 .type = FIO_OPT_STR_STORE,
672 .off1 = td_var_offset(filename),
673 .cb = str_filename_cb,
674 .prio = -1, /* must come after "directory" */
675 .help = "File(s) to use for the workload",
676 },
677 {
678 .name = "kb_base",
679 .type = FIO_OPT_INT,
680 .off1 = td_var_offset(kb_base),
681 .help = "How many bytes per KB for reporting (1000 or 1024)",
682 .verify = kb_base_verify,
683 .def = "1024",
684 },
685 {
686 .name = "lockfile",
687 .type = FIO_OPT_STR,
688 .cb = str_lockfile_cb,
689 .off1 = td_var_offset(file_lock_mode),
690 .help = "Lock file when doing IO to it",
691 .parent = "filename",
692 .def = "none",
693 .posval = {
694 { .ival = "none",
695 .oval = FILE_LOCK_NONE,
696 .help = "No file locking",
697 },
698 { .ival = "exclusive",
699 .oval = FILE_LOCK_EXCLUSIVE,
700 .help = "Exclusive file lock",
701 },
702 {
703 .ival = "readwrite",
704 .oval = FILE_LOCK_READWRITE,
705 .help = "Read vs write lock",
706 },
707 },
708 },
709 {
710 .name = "opendir",
711 .type = FIO_OPT_STR_STORE,
712 .off1 = td_var_offset(opendir),
713 .cb = str_opendir_cb,
714 .help = "Recursively add files from this directory and down",
715 },
716 {
717 .name = "rw",
718 .alias = "readwrite",
719 .type = FIO_OPT_STR,
720 .cb = str_rw_cb,
721 .off1 = td_var_offset(td_ddir),
722 .help = "IO direction",
723 .def = "read",
724 .verify = rw_verify,
725 .posval = {
726 { .ival = "read",
727 .oval = TD_DDIR_READ,
728 .help = "Sequential read",
729 },
730 { .ival = "write",
731 .oval = TD_DDIR_WRITE,
732 .help = "Sequential write",
733 },
734 { .ival = "randread",
735 .oval = TD_DDIR_RANDREAD,
736 .help = "Random read",
737 },
738 { .ival = "randwrite",
739 .oval = TD_DDIR_RANDWRITE,
740 .help = "Random write",
741 },
742 { .ival = "rw",
743 .oval = TD_DDIR_RW,
744 .help = "Sequential read and write mix",
745 },
746 { .ival = "randrw",
747 .oval = TD_DDIR_RANDRW,
748 .help = "Random read and write mix"
749 },
750 },
751 },
752 {
753 .name = "ioengine",
754 .type = FIO_OPT_STR_STORE,
755 .off1 = td_var_offset(ioengine),
756 .help = "IO engine to use",
757 .def = "sync",
758 .posval = {
759 { .ival = "sync",
760 .help = "Use read/write",
761 },
762 { .ival = "psync",
763 .help = "Use pread/pwrite",
764 },
765 { .ival = "vsync",
766 .help = "Use readv/writev",
767 },
768#ifdef FIO_HAVE_LIBAIO
769 { .ival = "libaio",
770 .help = "Linux native asynchronous IO",
771 },
772#endif
773#ifdef FIO_HAVE_POSIXAIO
774 { .ival = "posixaio",
775 .help = "POSIX asynchronous IO",
776 },
777#endif
778#ifdef FIO_HAVE_SOLARISAIO
779 { .ival = "solarisaio",
780 .help = "Solaris native asynchronous IO",
781 },
782#endif
783 { .ival = "mmap",
784 .help = "Memory mapped IO",
785 },
786#ifdef FIO_HAVE_SPLICE
787 { .ival = "splice",
788 .help = "splice/vmsplice based IO",
789 },
790 { .ival = "netsplice",
791 .help = "splice/vmsplice to/from the network",
792 },
793#endif
794#ifdef FIO_HAVE_SGIO
795 { .ival = "sg",
796 .help = "SCSI generic v3 IO",
797 },
798#endif
799 { .ival = "null",
800 .help = "Testing engine (no data transfer)",
801 },
802 { .ival = "net",
803 .help = "Network IO",
804 },
805#ifdef FIO_HAVE_SYSLET
806 { .ival = "syslet-rw",
807 .help = "syslet enabled async pread/pwrite IO",
808 },
809#endif
810 { .ival = "cpuio",
811 .help = "CPU cycler burner engine",
812 },
813#ifdef FIO_HAVE_GUASI
814 { .ival = "guasi",
815 .help = "GUASI IO engine",
816 },
817#endif
818 { .ival = "external",
819 .help = "Load external engine (append name)",
820 },
821 },
822 },
823 {
824 .name = "iodepth",
825 .type = FIO_OPT_INT,
826 .off1 = td_var_offset(iodepth),
827 .help = "Amount of IO buffers to keep in flight",
828 .minval = 1,
829 .def = "1",
830 },
831 {
832 .name = "iodepth_batch",
833 .alias = "iodepth_batch_submit",
834 .type = FIO_OPT_INT,
835 .off1 = td_var_offset(iodepth_batch),
836 .help = "Number of IO buffers to submit in one go",
837 .parent = "iodepth",
838 .minval = 1,
839 .def = "1",
840 },
841 {
842 .name = "iodepth_batch_complete",
843 .type = FIO_OPT_INT,
844 .off1 = td_var_offset(iodepth_batch_complete),
845 .help = "Number of IO buffers to retrieve in one go",
846 .parent = "iodepth",
847 .minval = 0,
848 .def = "1",
849 },
850 {
851 .name = "iodepth_low",
852 .type = FIO_OPT_INT,
853 .off1 = td_var_offset(iodepth_low),
854 .help = "Low water mark for queuing depth",
855 .parent = "iodepth",
856 },
857 {
858 .name = "size",
859 .type = FIO_OPT_STR_VAL,
860 .off1 = td_var_offset(size),
861 .minval = 1,
862 .help = "Total size of device or files",
863 },
864 {
865 .name = "fill_device",
866 .type = FIO_OPT_BOOL,
867 .off1 = td_var_offset(fill_device),
868 .help = "Write until an ENOSPC error occurs",
869 .def = "0",
870 },
871 {
872 .name = "filesize",
873 .type = FIO_OPT_STR_VAL,
874 .off1 = td_var_offset(file_size_low),
875 .off2 = td_var_offset(file_size_high),
876 .minval = 1,
877 .help = "Size of individual files",
878 },
879 {
880 .name = "offset",
881 .alias = "fileoffset",
882 .type = FIO_OPT_STR_VAL,
883 .off1 = td_var_offset(start_offset),
884 .help = "Start IO from this offset",
885 .def = "0",
886 },
887 {
888 .name = "bs",
889 .alias = "blocksize",
890 .type = FIO_OPT_INT,
891 .off1 = td_var_offset(bs[DDIR_READ]),
892 .off2 = td_var_offset(bs[DDIR_WRITE]),
893 .minval = 1,
894 .help = "Block size unit",
895 .def = "4k",
896 .parent = "rw",
897 },
898 {
899 .name = "ba",
900 .alias = "blockalign",
901 .type = FIO_OPT_INT,
902 .off1 = td_var_offset(ba[DDIR_READ]),
903 .off2 = td_var_offset(ba[DDIR_WRITE]),
904 .minval = 1,
905 .help = "IO block offset alignment",
906 .parent = "rw",
907 },
908 {
909 .name = "bsrange",
910 .alias = "blocksize_range",
911 .type = FIO_OPT_RANGE,
912 .off1 = td_var_offset(min_bs[DDIR_READ]),
913 .off2 = td_var_offset(max_bs[DDIR_READ]),
914 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
915 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
916 .minval = 1,
917 .help = "Set block size range (in more detail than bs)",
918 .parent = "rw",
919 },
920 {
921 .name = "bssplit",
922 .type = FIO_OPT_STR,
923 .cb = str_bssplit_cb,
924 .help = "Set a specific mix of block sizes",
925 .parent = "rw",
926 },
927 {
928 .name = "bs_unaligned",
929 .alias = "blocksize_unaligned",
930 .type = FIO_OPT_STR_SET,
931 .off1 = td_var_offset(bs_unaligned),
932 .help = "Don't sector align IO buffer sizes",
933 .parent = "rw",
934 },
935 {
936 .name = "randrepeat",
937 .type = FIO_OPT_BOOL,
938 .off1 = td_var_offset(rand_repeatable),
939 .help = "Use repeatable random IO pattern",
940 .def = "1",
941 .parent = "rw",
942 },
943 {
944 .name = "norandommap",
945 .type = FIO_OPT_STR_SET,
946 .off1 = td_var_offset(norandommap),
947 .help = "Accept potential duplicate random blocks",
948 .parent = "rw",
949 },
950 {
951 .name = "softrandommap",
952 .type = FIO_OPT_BOOL,
953 .off1 = td_var_offset(softrandommap),
954 .help = "Set norandommap if randommap allocation fails",
955 .parent = "norandommap",
956 .def = "0",
957 },
958 {
959 .name = "nrfiles",
960 .type = FIO_OPT_INT,
961 .off1 = td_var_offset(nr_files),
962 .help = "Split job workload between this number of files",
963 .def = "1",
964 },
965 {
966 .name = "openfiles",
967 .type = FIO_OPT_INT,
968 .off1 = td_var_offset(open_files),
969 .help = "Number of files to keep open at the same time",
970 },
971 {
972 .name = "file_service_type",
973 .type = FIO_OPT_STR,
974 .cb = str_fst_cb,
975 .off1 = td_var_offset(file_service_type),
976 .help = "How to select which file to service next",
977 .def = "roundrobin",
978 .posval = {
979 { .ival = "random",
980 .oval = FIO_FSERVICE_RANDOM,
981 .help = "Choose a file at random",
982 },
983 { .ival = "roundrobin",
984 .oval = FIO_FSERVICE_RR,
985 .help = "Round robin select files",
986 },
987 { .ival = "sequential",
988 .oval = FIO_FSERVICE_SEQ,
989 .help = "Finish one file before moving to the next",
990 },
991 },
992 .parent = "nrfiles",
993 },
994 {
995 .name = "fadvise_hint",
996 .type = FIO_OPT_BOOL,
997 .off1 = td_var_offset(fadvise_hint),
998 .help = "Use fadvise() to advise the kernel on IO pattern",
999 .def = "1",
1000 },
1001 {
1002 .name = "fsync",
1003 .type = FIO_OPT_INT,
1004 .off1 = td_var_offset(fsync_blocks),
1005 .help = "Issue fsync for writes every given number of blocks",
1006 .def = "0",
1007 },
1008 {
1009 .name = "fdatasync",
1010 .type = FIO_OPT_INT,
1011 .off1 = td_var_offset(fdatasync_blocks),
1012 .help = "Issue fdatasync for writes every given number of blocks",
1013 .def = "0",
1014 },
1015 {
1016 .name = "direct",
1017 .type = FIO_OPT_BOOL,
1018 .off1 = td_var_offset(odirect),
1019 .help = "Use O_DIRECT IO (negates buffered)",
1020 .def = "0",
1021 },
1022 {
1023 .name = "buffered",
1024 .type = FIO_OPT_BOOL,
1025 .off1 = td_var_offset(odirect),
1026 .neg = 1,
1027 .help = "Use buffered IO (negates direct)",
1028 .def = "1",
1029 },
1030 {
1031 .name = "overwrite",
1032 .type = FIO_OPT_BOOL,
1033 .off1 = td_var_offset(overwrite),
1034 .help = "When writing, set whether to overwrite current data",
1035 .def = "0",
1036 },
1037 {
1038 .name = "loops",
1039 .type = FIO_OPT_INT,
1040 .off1 = td_var_offset(loops),
1041 .help = "Number of times to run the job",
1042 .def = "1",
1043 },
1044 {
1045 .name = "numjobs",
1046 .type = FIO_OPT_INT,
1047 .off1 = td_var_offset(numjobs),
1048 .help = "Duplicate this job this many times",
1049 .def = "1",
1050 },
1051 {
1052 .name = "startdelay",
1053 .type = FIO_OPT_INT,
1054 .off1 = td_var_offset(start_delay),
1055 .help = "Only start job when this period has passed",
1056 .def = "0",
1057 },
1058 {
1059 .name = "runtime",
1060 .alias = "timeout",
1061 .type = FIO_OPT_STR_VAL_TIME,
1062 .off1 = td_var_offset(timeout),
1063 .help = "Stop workload when this amount of time has passed",
1064 .def = "0",
1065 },
1066 {
1067 .name = "time_based",
1068 .type = FIO_OPT_STR_SET,
1069 .off1 = td_var_offset(time_based),
1070 .help = "Keep running until runtime/timeout is met",
1071 },
1072 {
1073 .name = "ramp_time",
1074 .type = FIO_OPT_STR_VAL_TIME,
1075 .off1 = td_var_offset(ramp_time),
1076 .help = "Ramp up time before measuring performance",
1077 },
1078 {
1079 .name = "mem",
1080 .alias = "iomem",
1081 .type = FIO_OPT_STR,
1082 .cb = str_mem_cb,
1083 .off1 = td_var_offset(mem_type),
1084 .help = "Backing type for IO buffers",
1085 .def = "malloc",
1086 .posval = {
1087 { .ival = "malloc",
1088 .oval = MEM_MALLOC,
1089 .help = "Use malloc(3) for IO buffers",
1090 },
1091 { .ival = "shm",
1092 .oval = MEM_SHM,
1093 .help = "Use shared memory segments for IO buffers",
1094 },
1095#ifdef FIO_HAVE_HUGETLB
1096 { .ival = "shmhuge",
1097 .oval = MEM_SHMHUGE,
1098 .help = "Like shm, but use huge pages",
1099 },
1100#endif
1101 { .ival = "mmap",
1102 .oval = MEM_MMAP,
1103 .help = "Use mmap(2) (file or anon) for IO buffers",
1104 },
1105#ifdef FIO_HAVE_HUGETLB
1106 { .ival = "mmaphuge",
1107 .oval = MEM_MMAPHUGE,
1108 .help = "Like mmap, but use huge pages",
1109 },
1110#endif
1111 },
1112 },
1113 {
1114 .name = "iomem_align",
1115 .alias = "mem_align",
1116 .type = FIO_OPT_INT,
1117 .off1 = td_var_offset(mem_align),
1118 .minval = 0,
1119 .help = "IO memory buffer offset alignment",
1120 .def = "0",
1121 .parent = "iomem",
1122 },
1123 {
1124 .name = "verify",
1125 .type = FIO_OPT_STR,
1126 .off1 = td_var_offset(verify),
1127 .help = "Verify data written",
1128 .def = "0",
1129 .posval = {
1130 { .ival = "0",
1131 .oval = VERIFY_NONE,
1132 .help = "Don't do IO verification",
1133 },
1134 { .ival = "md5",
1135 .oval = VERIFY_MD5,
1136 .help = "Use md5 checksums for verification",
1137 },
1138 { .ival = "crc64",
1139 .oval = VERIFY_CRC64,
1140 .help = "Use crc64 checksums for verification",
1141 },
1142 { .ival = "crc32",
1143 .oval = VERIFY_CRC32,
1144 .help = "Use crc32 checksums for verification",
1145 },
1146 { .ival = "crc32c-intel",
1147 .oval = VERIFY_CRC32C_INTEL,
1148 .help = "Use hw crc32c checksums for verification",
1149 },
1150 { .ival = "crc32c",
1151 .oval = VERIFY_CRC32C,
1152 .help = "Use crc32c checksums for verification",
1153 },
1154 { .ival = "crc16",
1155 .oval = VERIFY_CRC16,
1156 .help = "Use crc16 checksums for verification",
1157 },
1158 { .ival = "crc7",
1159 .oval = VERIFY_CRC7,
1160 .help = "Use crc7 checksums for verification",
1161 },
1162 { .ival = "sha256",
1163 .oval = VERIFY_SHA256,
1164 .help = "Use sha256 checksums for verification",
1165 },
1166 { .ival = "sha512",
1167 .oval = VERIFY_SHA512,
1168 .help = "Use sha512 checksums for verification",
1169 },
1170 { .ival = "meta",
1171 .oval = VERIFY_META,
1172 .help = "Use io information",
1173 },
1174 {
1175 .ival = "null",
1176 .oval = VERIFY_NULL,
1177 .help = "Pretend to verify",
1178 },
1179 },
1180 },
1181 {
1182 .name = "do_verify",
1183 .type = FIO_OPT_BOOL,
1184 .off1 = td_var_offset(do_verify),
1185 .help = "Run verification stage after write",
1186 .def = "1",
1187 .parent = "verify",
1188 },
1189 {
1190 .name = "verifysort",
1191 .type = FIO_OPT_BOOL,
1192 .off1 = td_var_offset(verifysort),
1193 .help = "Sort written verify blocks for read back",
1194 .def = "1",
1195 .parent = "verify",
1196 },
1197 {
1198 .name = "verify_interval",
1199 .type = FIO_OPT_INT,
1200 .off1 = td_var_offset(verify_interval),
1201 .minval = 2 * sizeof(struct verify_header),
1202 .help = "Store verify buffer header every N bytes",
1203 .parent = "verify",
1204 },
1205 {
1206 .name = "verify_offset",
1207 .type = FIO_OPT_INT,
1208 .help = "Offset verify header location by N bytes",
1209 .def = "0",
1210 .cb = str_verify_offset_cb,
1211 .parent = "verify",
1212 },
1213 {
1214 .name = "verify_pattern",
1215 .type = FIO_OPT_INT,
1216 .cb = str_verify_pattern_cb,
1217 .help = "Fill pattern for IO buffers",
1218 .parent = "verify",
1219 },
1220 {
1221 .name = "verify_fatal",
1222 .type = FIO_OPT_BOOL,
1223 .off1 = td_var_offset(verify_fatal),
1224 .def = "0",
1225 .help = "Exit on a single verify failure, don't continue",
1226 .parent = "verify",
1227 },
1228 {
1229 .name = "verify_async",
1230 .type = FIO_OPT_INT,
1231 .off1 = td_var_offset(verify_async),
1232 .def = "0",
1233 .help = "Number of async verifier threads to use",
1234 .parent = "verify",
1235 },
1236#ifdef FIO_HAVE_CPU_AFFINITY
1237 {
1238 .name = "verify_async_cpus",
1239 .type = FIO_OPT_STR,
1240 .cb = str_verify_cpus_allowed_cb,
1241 .help = "Set CPUs allowed for async verify threads",
1242 .parent = "verify_async",
1243 },
1244#endif
1245 {
1246 .name = "write_iolog",
1247 .type = FIO_OPT_STR_STORE,
1248 .off1 = td_var_offset(write_iolog_file),
1249 .help = "Store IO pattern to file",
1250 },
1251 {
1252 .name = "read_iolog",
1253 .type = FIO_OPT_STR_STORE,
1254 .off1 = td_var_offset(read_iolog_file),
1255 .help = "Playback IO pattern from file",
1256 },
1257 {
1258 .name = "exec_prerun",
1259 .type = FIO_OPT_STR_STORE,
1260 .off1 = td_var_offset(exec_prerun),
1261 .help = "Execute this file prior to running job",
1262 },
1263 {
1264 .name = "exec_postrun",
1265 .type = FIO_OPT_STR_STORE,
1266 .off1 = td_var_offset(exec_postrun),
1267 .help = "Execute this file after running job",
1268 },
1269#ifdef FIO_HAVE_IOSCHED_SWITCH
1270 {
1271 .name = "ioscheduler",
1272 .type = FIO_OPT_STR_STORE,
1273 .off1 = td_var_offset(ioscheduler),
1274 .help = "Use this IO scheduler on the backing device",
1275 },
1276#endif
1277 {
1278 .name = "zonesize",
1279 .type = FIO_OPT_STR_VAL,
1280 .off1 = td_var_offset(zone_size),
1281 .help = "Give size of an IO zone",
1282 .def = "0",
1283 },
1284 {
1285 .name = "zoneskip",
1286 .type = FIO_OPT_STR_VAL,
1287 .off1 = td_var_offset(zone_skip),
1288 .help = "Space between IO zones",
1289 .def = "0",
1290 },
1291 {
1292 .name = "lockmem",
1293 .type = FIO_OPT_STR_VAL,
1294 .cb = str_lockmem_cb,
1295 .help = "Lock down this amount of memory",
1296 .def = "0",
1297 },
1298 {
1299 .name = "rwmixread",
1300 .type = FIO_OPT_INT,
1301 .cb = str_rwmix_read_cb,
1302 .maxval = 100,
1303 .help = "Percentage of mixed workload that is reads",
1304 .def = "50",
1305 },
1306 {
1307 .name = "rwmixwrite",
1308 .type = FIO_OPT_INT,
1309 .cb = str_rwmix_write_cb,
1310 .maxval = 100,
1311 .help = "Percentage of mixed workload that is writes",
1312 .def = "50",
1313 },
1314 {
1315 .name = "rwmixcycle",
1316 .type = FIO_OPT_DEPRECATED,
1317 },
1318 {
1319 .name = "nice",
1320 .type = FIO_OPT_INT,
1321 .off1 = td_var_offset(nice),
1322 .help = "Set job CPU nice value",
1323 .minval = -19,
1324 .maxval = 20,
1325 .def = "0",
1326 },
1327#ifdef FIO_HAVE_IOPRIO
1328 {
1329 .name = "prio",
1330 .type = FIO_OPT_INT,
1331 .cb = str_prio_cb,
1332 .help = "Set job IO priority value",
1333 .minval = 0,
1334 .maxval = 7,
1335 },
1336 {
1337 .name = "prioclass",
1338 .type = FIO_OPT_INT,
1339 .cb = str_prioclass_cb,
1340 .help = "Set job IO priority class",
1341 .minval = 0,
1342 .maxval = 3,
1343 },
1344#endif
1345 {
1346 .name = "thinktime",
1347 .type = FIO_OPT_INT,
1348 .off1 = td_var_offset(thinktime),
1349 .help = "Idle time between IO buffers (usec)",
1350 .def = "0",
1351 },
1352 {
1353 .name = "thinktime_spin",
1354 .type = FIO_OPT_INT,
1355 .off1 = td_var_offset(thinktime_spin),
1356 .help = "Start think time by spinning this amount (usec)",
1357 .def = "0",
1358 .parent = "thinktime",
1359 },
1360 {
1361 .name = "thinktime_blocks",
1362 .type = FIO_OPT_INT,
1363 .off1 = td_var_offset(thinktime_blocks),
1364 .help = "IO buffer period between 'thinktime'",
1365 .def = "1",
1366 .parent = "thinktime",
1367 },
1368 {
1369 .name = "rate",
1370 .type = FIO_OPT_INT,
1371 .off1 = td_var_offset(rate[0]),
1372 .off2 = td_var_offset(rate[1]),
1373 .help = "Set bandwidth rate",
1374 },
1375 {
1376 .name = "ratemin",
1377 .type = FIO_OPT_INT,
1378 .off1 = td_var_offset(ratemin[0]),
1379 .off2 = td_var_offset(ratemin[1]),
1380 .help = "Job must meet this rate or it will be shutdown",
1381 .parent = "rate",
1382 },
1383 {
1384 .name = "rate_iops",
1385 .type = FIO_OPT_INT,
1386 .off1 = td_var_offset(rate_iops[0]),
1387 .off2 = td_var_offset(rate_iops[1]),
1388 .help = "Limit IO used to this number of IO operations/sec",
1389 },
1390 {
1391 .name = "rate_iops_min",
1392 .type = FIO_OPT_INT,
1393 .off1 = td_var_offset(rate_iops_min[0]),
1394 .off2 = td_var_offset(rate_iops_min[1]),
1395 .help = "Job must meet this rate or it will be shutdown",
1396 .parent = "rate_iops",
1397 },
1398 {
1399 .name = "ratecycle",
1400 .type = FIO_OPT_INT,
1401 .off1 = td_var_offset(ratecycle),
1402 .help = "Window average for rate limits (msec)",
1403 .def = "1000",
1404 .parent = "rate",
1405 },
1406 {
1407 .name = "invalidate",
1408 .type = FIO_OPT_BOOL,
1409 .off1 = td_var_offset(invalidate_cache),
1410 .help = "Invalidate buffer/page cache prior to running job",
1411 .def = "1",
1412 },
1413 {
1414 .name = "sync",
1415 .type = FIO_OPT_BOOL,
1416 .off1 = td_var_offset(sync_io),
1417 .help = "Use O_SYNC for buffered writes",
1418 .def = "0",
1419 .parent = "buffered",
1420 },
1421 {
1422 .name = "bwavgtime",
1423 .type = FIO_OPT_INT,
1424 .off1 = td_var_offset(bw_avg_time),
1425 .help = "Time window over which to calculate bandwidth"
1426 " (msec)",
1427 .def = "500",
1428 },
1429 {
1430 .name = "create_serialize",
1431 .type = FIO_OPT_BOOL,
1432 .off1 = td_var_offset(create_serialize),
1433 .help = "Serialize creating of job files",
1434 .def = "1",
1435 },
1436 {
1437 .name = "create_fsync",
1438 .type = FIO_OPT_BOOL,
1439 .off1 = td_var_offset(create_fsync),
1440 .help = "Fsync file after creation",
1441 .def = "1",
1442 },
1443 {
1444 .name = "create_on_open",
1445 .type = FIO_OPT_BOOL,
1446 .off1 = td_var_offset(create_on_open),
1447 .help = "Create files when they are opened for IO",
1448 .def = "0",
1449 },
1450 {
1451 .name = "pre_read",
1452 .type = FIO_OPT_BOOL,
1453 .off1 = td_var_offset(pre_read),
1454 .help = "Preread files before starting official testing",
1455 .def = "0",
1456 },
1457 {
1458 .name = "cpuload",
1459 .type = FIO_OPT_INT,
1460 .off1 = td_var_offset(cpuload),
1461 .help = "Use this percentage of CPU",
1462 },
1463 {
1464 .name = "cpuchunks",
1465 .type = FIO_OPT_INT,
1466 .off1 = td_var_offset(cpucycle),
1467 .help = "Length of the CPU burn cycles (usecs)",
1468 .def = "50000",
1469 .parent = "cpuload",
1470 },
1471#ifdef FIO_HAVE_CPU_AFFINITY
1472 {
1473 .name = "cpumask",
1474 .type = FIO_OPT_INT,
1475 .cb = str_cpumask_cb,
1476 .help = "CPU affinity mask",
1477 },
1478 {
1479 .name = "cpus_allowed",
1480 .type = FIO_OPT_STR,
1481 .cb = str_cpus_allowed_cb,
1482 .help = "Set CPUs allowed",
1483 },
1484#endif
1485 {
1486 .name = "end_fsync",
1487 .type = FIO_OPT_BOOL,
1488 .off1 = td_var_offset(end_fsync),
1489 .help = "Include fsync at the end of job",
1490 .def = "0",
1491 },
1492 {
1493 .name = "fsync_on_close",
1494 .type = FIO_OPT_BOOL,
1495 .off1 = td_var_offset(fsync_on_close),
1496 .help = "fsync files on close",
1497 .def = "0",
1498 },
1499 {
1500 .name = "unlink",
1501 .type = FIO_OPT_BOOL,
1502 .off1 = td_var_offset(unlink),
1503 .help = "Unlink created files after job has completed",
1504 .def = "0",
1505 },
1506 {
1507 .name = "exitall",
1508 .type = FIO_OPT_STR_SET,
1509 .cb = str_exitall_cb,
1510 .help = "Terminate all jobs when one exits",
1511 },
1512 {
1513 .name = "stonewall",
1514 .type = FIO_OPT_STR_SET,
1515 .off1 = td_var_offset(stonewall),
1516 .help = "Insert a hard barrier between this job and previous",
1517 },
1518 {
1519 .name = "new_group",
1520 .type = FIO_OPT_STR_SET,
1521 .off1 = td_var_offset(new_group),
1522 .help = "Mark the start of a new group (for reporting)",
1523 },
1524 {
1525 .name = "thread",
1526 .type = FIO_OPT_STR_SET,
1527 .off1 = td_var_offset(use_thread),
1528 .help = "Use threads instead of forks",
1529 },
1530 {
1531 .name = "write_bw_log",
1532 .type = FIO_OPT_STR,
1533 .off1 = td_var_offset(write_bw_log),
1534 .cb = str_write_bw_log_cb,
1535 .help = "Write log of bandwidth during run",
1536 },
1537 {
1538 .name = "write_lat_log",
1539 .type = FIO_OPT_STR,
1540 .off1 = td_var_offset(write_lat_log),
1541 .cb = str_write_lat_log_cb,
1542 .help = "Write log of latency during run",
1543 },
1544 {
1545 .name = "hugepage-size",
1546 .type = FIO_OPT_INT,
1547 .off1 = td_var_offset(hugepage_size),
1548 .help = "When using hugepages, specify size of each page",
1549 .def = __stringify(FIO_HUGE_PAGE),
1550 },
1551 {
1552 .name = "group_reporting",
1553 .type = FIO_OPT_STR_SET,
1554 .off1 = td_var_offset(group_reporting),
1555 .help = "Do reporting on a per-group basis",
1556 },
1557 {
1558 .name = "zero_buffers",
1559 .type = FIO_OPT_STR_SET,
1560 .off1 = td_var_offset(zero_buffers),
1561 .help = "Init IO buffers to all zeroes",
1562 },
1563 {
1564 .name = "refill_buffers",
1565 .type = FIO_OPT_STR_SET,
1566 .off1 = td_var_offset(refill_buffers),
1567 .help = "Refill IO buffers on every IO submit",
1568 },
1569#ifdef FIO_HAVE_DISK_UTIL
1570 {
1571 .name = "disk_util",
1572 .type = FIO_OPT_BOOL,
1573 .off1 = td_var_offset(do_disk_util),
1574 .help = "Log disk utilization statistics",
1575 .def = "1",
1576 },
1577#endif
1578 {
1579 .name = "gtod_reduce",
1580 .type = FIO_OPT_BOOL,
1581 .help = "Greatly reduce number of gettimeofday() calls",
1582 .cb = str_gtod_reduce_cb,
1583 .def = "0",
1584 },
1585 {
1586 .name = "disable_clat",
1587 .type = FIO_OPT_BOOL,
1588 .off1 = td_var_offset(disable_clat),
1589 .help = "Disable completion latency numbers",
1590 .parent = "gtod_reduce",
1591 .def = "0",
1592 },
1593 {
1594 .name = "disable_slat",
1595 .type = FIO_OPT_BOOL,
1596 .off1 = td_var_offset(disable_slat),
1597 .help = "Disable submissionn latency numbers",
1598 .parent = "gtod_reduce",
1599 .def = "0",
1600 },
1601 {
1602 .name = "disable_bw_measurement",
1603 .type = FIO_OPT_BOOL,
1604 .off1 = td_var_offset(disable_bw),
1605 .help = "Disable bandwidth logging",
1606 .parent = "gtod_reduce",
1607 .def = "0",
1608 },
1609 {
1610 .name = "gtod_cpu",
1611 .type = FIO_OPT_INT,
1612 .cb = str_gtod_cpu_cb,
1613 .help = "Setup dedicated gettimeofday() thread on this CPU",
1614 .verify = gtod_cpu_verify,
1615 },
1616 {
1617 .name = "continue_on_error",
1618 .type = FIO_OPT_BOOL,
1619 .off1 = td_var_offset(continue_on_error),
1620 .help = "Continue on non-fatal errors during I/O",
1621 .def = "0",
1622 },
1623 {
1624 .name = NULL,
1625 },
1626};
1627
1628void fio_options_dup_and_init(struct option *long_options)
1629{
1630 struct fio_option *o;
1631 unsigned int i;
1632
1633 options_init(options);
1634
1635 i = 0;
1636 while (long_options[i].name)
1637 i++;
1638
1639 o = &options[0];
1640 while (o->name) {
1641 long_options[i].name = (char *) o->name;
1642 long_options[i].val = FIO_GETOPT_JOB;
1643 if (o->type == FIO_OPT_STR_SET)
1644 long_options[i].has_arg = no_argument;
1645 else
1646 long_options[i].has_arg = required_argument;
1647
1648 i++;
1649 o++;
1650 assert(i < FIO_NR_OPTIONS);
1651 }
1652}
1653
1654int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
1655{
1656 int i, ret;
1657
1658 sort_options(opts, options, num_opts);
1659
1660 for (ret = 0, i = 0; i < num_opts; i++)
1661 ret |= parse_option(opts[i], options, td);
1662
1663 return ret;
1664}
1665
1666int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
1667{
1668 return parse_cmd_option(opt, val, options, td);
1669}
1670
1671void fio_fill_default_options(struct thread_data *td)
1672{
1673 fill_default_options(td, options);
1674}
1675
1676int fio_show_option_help(const char *opt)
1677{
1678 return show_cmd_help(options, opt);
1679}
1680
1681static void __options_mem(struct thread_data *td, int alloc)
1682{
1683 struct thread_options *o = &td->o;
1684 struct fio_option *opt;
1685 char **ptr;
1686 int i;
1687
1688 for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
1689 if (opt->type != FIO_OPT_STR_STORE)
1690 continue;
1691
1692 ptr = (void *) o + opt->off1;
1693 if (*ptr) {
1694 if (alloc)
1695 *ptr = strdup(*ptr);
1696 else {
1697 free(*ptr);
1698 *ptr = NULL;
1699 }
1700 }
1701 }
1702}
1703
1704/*
1705 * dupe FIO_OPT_STR_STORE options
1706 */
1707void options_mem_dupe(struct thread_data *td)
1708{
1709 __options_mem(td, 1);
1710}
1711
1712void options_mem_free(struct thread_data fio_unused *td)
1713{
1714#if 0
1715 __options_mem(td, 0);
1716#endif
1717}
fio - Flexible IO Tester