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options: unify the bssplit/zone split code
[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 <assert.h>
7#include <libgen.h>
8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
11#include <netinet/in.h>
12
13#include "fio.h"
14#include "verify.h"
15#include "parse.h"
16#include "lib/fls.h"
17#include "lib/pattern.h"
18#include "options.h"
19#include "optgroup.h"
20
21char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
22
23/*
24 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
25 */
26static char *get_opt_postfix(const char *str)
27{
28 char *p = strstr(str, ":");
29
30 if (!p)
31 return NULL;
32
33 p++;
34 strip_blank_front(&p);
35 strip_blank_end(p);
36 return strdup(p);
37}
38
39static int bs_cmp(const void *p1, const void *p2)
40{
41 const struct bssplit *bsp1 = p1;
42 const struct bssplit *bsp2 = p2;
43
44 return (int) bsp1->perc - (int) bsp2->perc;
45}
46
47static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
48{
49 struct bssplit *bssplit;
50 unsigned int i, perc, perc_missing;
51 unsigned int max_bs, min_bs;
52 long long val;
53 char *fname;
54
55 o->bssplit_nr[ddir] = 4;
56 bssplit = malloc(4 * sizeof(struct bssplit));
57
58 i = 0;
59 max_bs = 0;
60 min_bs = -1;
61 while ((fname = strsep(&str, ":")) != NULL) {
62 char *perc_str;
63
64 if (!strlen(fname))
65 break;
66
67 /*
68 * grow struct buffer, if needed
69 */
70 if (i == o->bssplit_nr[ddir]) {
71 o->bssplit_nr[ddir] <<= 1;
72 bssplit = realloc(bssplit, o->bssplit_nr[ddir]
73 * sizeof(struct bssplit));
74 }
75
76 perc_str = strstr(fname, "/");
77 if (perc_str) {
78 *perc_str = '\0';
79 perc_str++;
80 perc = atoi(perc_str);
81 if (perc > 100)
82 perc = 100;
83 else if (!perc)
84 perc = -1U;
85 } else
86 perc = -1U;
87
88 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
89 log_err("fio: bssplit conversion failed\n");
90 free(bssplit);
91 return 1;
92 }
93
94 if (val > max_bs)
95 max_bs = val;
96 if (val < min_bs)
97 min_bs = val;
98
99 bssplit[i].bs = val;
100 bssplit[i].perc = perc;
101 i++;
102 }
103
104 o->bssplit_nr[ddir] = i;
105
106 /*
107 * Now check if the percentages add up, and how much is missing
108 */
109 perc = perc_missing = 0;
110 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
111 struct bssplit *bsp = &bssplit[i];
112
113 if (bsp->perc == -1U)
114 perc_missing++;
115 else
116 perc += bsp->perc;
117 }
118
119 if (perc > 100 && perc_missing > 1) {
120 log_err("fio: bssplit percentages add to more than 100%%\n");
121 free(bssplit);
122 return 1;
123 }
124
125 /*
126 * If values didn't have a percentage set, divide the remains between
127 * them.
128 */
129 if (perc_missing) {
130 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
131 perc = 100;
132 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
133 struct bssplit *bsp = &bssplit[i];
134
135 if (bsp->perc == -1U)
136 bsp->perc = (100 - perc) / perc_missing;
137 }
138 }
139
140 o->min_bs[ddir] = min_bs;
141 o->max_bs[ddir] = max_bs;
142
143 /*
144 * now sort based on percentages, for ease of lookup
145 */
146 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
147 o->bssplit[ddir] = bssplit;
148 return 0;
149}
150
151typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *);
152
153static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn)
154{
155 char *odir, *ddir;
156 int ret = 0;
157
158 odir = strchr(str, ',');
159 if (odir) {
160 ddir = strchr(odir + 1, ',');
161 if (ddir) {
162 ret = fn(&td->o, DDIR_TRIM, ddir + 1);
163 if (!ret)
164 *ddir = '\0';
165 } else {
166 char *op;
167
168 op = strdup(odir + 1);
169 ret = fn(&td->o, DDIR_TRIM, op);
170
171 free(op);
172 }
173 if (!ret)
174 ret = fn(&td->o, DDIR_WRITE, odir + 1);
175 if (!ret) {
176 *odir = '\0';
177 ret = fn(&td->o, DDIR_READ, str);
178 }
179 } else {
180 char *op;
181
182 op = strdup(str);
183 ret = fn(&td->o, DDIR_WRITE, op);
184 free(op);
185
186 if (!ret) {
187 op = strdup(str);
188 ret = fn(&td->o, DDIR_TRIM, op);
189 free(op);
190 }
191 if (!ret)
192 ret = fn(&td->o, DDIR_READ, str);
193 }
194
195 return ret;
196}
197
198static int str_bssplit_cb(void *data, const char *input)
199{
200 struct thread_data *td = data;
201 char *str, *p;
202 int ret = 0;
203
204 if (parse_dryrun())
205 return 0;
206
207 p = str = strdup(input);
208
209 strip_blank_front(&str);
210 strip_blank_end(str);
211
212 ret = str_split_parse(td, str, bssplit_ddir);
213
214 free(p);
215 return ret;
216}
217
218static int str2error(char *str)
219{
220 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
221 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
222 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
223 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
224 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
225 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
226 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
227 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
228 int i = 0, num = sizeof(err) / sizeof(void *);
229
230 while (i < num) {
231 if (!strcmp(err[i], str))
232 return i + 1;
233 i++;
234 }
235 return 0;
236}
237
238static int ignore_error_type(struct thread_data *td, int etype, char *str)
239{
240 unsigned int i;
241 int *error;
242 char *fname;
243
244 if (etype >= ERROR_TYPE_CNT) {
245 log_err("Illegal error type\n");
246 return 1;
247 }
248
249 td->o.ignore_error_nr[etype] = 4;
250 error = malloc(4 * sizeof(struct bssplit));
251
252 i = 0;
253 while ((fname = strsep(&str, ":")) != NULL) {
254
255 if (!strlen(fname))
256 break;
257
258 /*
259 * grow struct buffer, if needed
260 */
261 if (i == td->o.ignore_error_nr[etype]) {
262 td->o.ignore_error_nr[etype] <<= 1;
263 error = realloc(error, td->o.ignore_error_nr[etype]
264 * sizeof(int));
265 }
266 if (fname[0] == 'E') {
267 error[i] = str2error(fname);
268 } else {
269 error[i] = atoi(fname);
270 if (error[i] < 0)
271 error[i] = -error[i];
272 }
273 if (!error[i]) {
274 log_err("Unknown error %s, please use number value \n",
275 fname);
276 free(error);
277 return 1;
278 }
279 i++;
280 }
281 if (i) {
282 td->o.continue_on_error |= 1 << etype;
283 td->o.ignore_error_nr[etype] = i;
284 td->o.ignore_error[etype] = error;
285 } else
286 free(error);
287
288 return 0;
289
290}
291
292static int str_ignore_error_cb(void *data, const char *input)
293{
294 struct thread_data *td = data;
295 char *str, *p, *n;
296 int type = 0, ret = 1;
297
298 if (parse_dryrun())
299 return 0;
300
301 p = str = strdup(input);
302
303 strip_blank_front(&str);
304 strip_blank_end(str);
305
306 while (p) {
307 n = strchr(p, ',');
308 if (n)
309 *n++ = '\0';
310 ret = ignore_error_type(td, type, p);
311 if (ret)
312 break;
313 p = n;
314 type++;
315 }
316 free(str);
317 return ret;
318}
319
320static int str_rw_cb(void *data, const char *str)
321{
322 struct thread_data *td = data;
323 struct thread_options *o = &td->o;
324 char *nr;
325
326 if (parse_dryrun())
327 return 0;
328
329 o->ddir_seq_nr = 1;
330 o->ddir_seq_add = 0;
331
332 nr = get_opt_postfix(str);
333 if (!nr)
334 return 0;
335
336 if (td_random(td))
337 o->ddir_seq_nr = atoi(nr);
338 else {
339 long long val;
340
341 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
342 log_err("fio: rw postfix parsing failed\n");
343 free(nr);
344 return 1;
345 }
346
347 o->ddir_seq_add = val;
348 }
349
350 free(nr);
351 return 0;
352}
353
354static int str_mem_cb(void *data, const char *mem)
355{
356 struct thread_data *td = data;
357
358 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
359 td->o.mem_type == MEM_MMAPSHARED)
360 td->o.mmapfile = get_opt_postfix(mem);
361
362 return 0;
363}
364
365static int fio_clock_source_cb(void *data, const char *str)
366{
367 struct thread_data *td = data;
368
369 fio_clock_source = td->o.clocksource;
370 fio_clock_source_set = 1;
371 fio_clock_init();
372 return 0;
373}
374
375static int str_rwmix_read_cb(void *data, unsigned long long *val)
376{
377 struct thread_data *td = data;
378
379 td->o.rwmix[DDIR_READ] = *val;
380 td->o.rwmix[DDIR_WRITE] = 100 - *val;
381 return 0;
382}
383
384static int str_rwmix_write_cb(void *data, unsigned long long *val)
385{
386 struct thread_data *td = data;
387
388 td->o.rwmix[DDIR_WRITE] = *val;
389 td->o.rwmix[DDIR_READ] = 100 - *val;
390 return 0;
391}
392
393static int str_exitall_cb(void)
394{
395 exitall_on_terminate = 1;
396 return 0;
397}
398
399#ifdef FIO_HAVE_CPU_AFFINITY
400int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
401{
402 unsigned int i, index, cpus_in_mask;
403 const long max_cpu = cpus_online();
404
405 cpus_in_mask = fio_cpu_count(mask);
406 cpu_index = cpu_index % cpus_in_mask;
407
408 index = 0;
409 for (i = 0; i < max_cpu; i++) {
410 if (!fio_cpu_isset(mask, i))
411 continue;
412
413 if (cpu_index != index)
414 fio_cpu_clear(mask, i);
415
416 index++;
417 }
418
419 return fio_cpu_count(mask);
420}
421
422static int str_cpumask_cb(void *data, unsigned long long *val)
423{
424 struct thread_data *td = data;
425 unsigned int i;
426 long max_cpu;
427 int ret;
428
429 if (parse_dryrun())
430 return 0;
431
432 ret = fio_cpuset_init(&td->o.cpumask);
433 if (ret < 0) {
434 log_err("fio: cpuset_init failed\n");
435 td_verror(td, ret, "fio_cpuset_init");
436 return 1;
437 }
438
439 max_cpu = cpus_online();
440
441 for (i = 0; i < sizeof(int) * 8; i++) {
442 if ((1 << i) & *val) {
443 if (i >= max_cpu) {
444 log_err("fio: CPU %d too large (max=%ld)\n", i,
445 max_cpu - 1);
446 return 1;
447 }
448 dprint(FD_PARSE, "set cpu allowed %d\n", i);
449 fio_cpu_set(&td->o.cpumask, i);
450 }
451 }
452
453 return 0;
454}
455
456static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
457 const char *input)
458{
459 char *cpu, *str, *p;
460 long max_cpu;
461 int ret = 0;
462
463 ret = fio_cpuset_init(mask);
464 if (ret < 0) {
465 log_err("fio: cpuset_init failed\n");
466 td_verror(td, ret, "fio_cpuset_init");
467 return 1;
468 }
469
470 p = str = strdup(input);
471
472 strip_blank_front(&str);
473 strip_blank_end(str);
474
475 max_cpu = cpus_online();
476
477 while ((cpu = strsep(&str, ",")) != NULL) {
478 char *str2, *cpu2;
479 int icpu, icpu2;
480
481 if (!strlen(cpu))
482 break;
483
484 str2 = cpu;
485 icpu2 = -1;
486 while ((cpu2 = strsep(&str2, "-")) != NULL) {
487 if (!strlen(cpu2))
488 break;
489
490 icpu2 = atoi(cpu2);
491 }
492
493 icpu = atoi(cpu);
494 if (icpu2 == -1)
495 icpu2 = icpu;
496 while (icpu <= icpu2) {
497 if (icpu >= FIO_MAX_CPUS) {
498 log_err("fio: your OS only supports up to"
499 " %d CPUs\n", (int) FIO_MAX_CPUS);
500 ret = 1;
501 break;
502 }
503 if (icpu >= max_cpu) {
504 log_err("fio: CPU %d too large (max=%ld)\n",
505 icpu, max_cpu - 1);
506 ret = 1;
507 break;
508 }
509
510 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
511 fio_cpu_set(mask, icpu);
512 icpu++;
513 }
514 if (ret)
515 break;
516 }
517
518 free(p);
519 return ret;
520}
521
522static int str_cpus_allowed_cb(void *data, const char *input)
523{
524 struct thread_data *td = data;
525
526 if (parse_dryrun())
527 return 0;
528
529 return set_cpus_allowed(td, &td->o.cpumask, input);
530}
531
532static int str_verify_cpus_allowed_cb(void *data, const char *input)
533{
534 struct thread_data *td = data;
535
536 if (parse_dryrun())
537 return 0;
538
539 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
540}
541
542#ifdef CONFIG_ZLIB
543static int str_log_cpus_allowed_cb(void *data, const char *input)
544{
545 struct thread_data *td = data;
546
547 if (parse_dryrun())
548 return 0;
549
550 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
551}
552#endif /* CONFIG_ZLIB */
553
554#endif /* FIO_HAVE_CPU_AFFINITY */
555
556#ifdef CONFIG_LIBNUMA
557static int str_numa_cpunodes_cb(void *data, char *input)
558{
559 struct thread_data *td = data;
560 struct bitmask *verify_bitmask;
561
562 if (parse_dryrun())
563 return 0;
564
565 /* numa_parse_nodestring() parses a character string list
566 * of nodes into a bit mask. The bit mask is allocated by
567 * numa_allocate_nodemask(), so it should be freed by
568 * numa_free_nodemask().
569 */
570 verify_bitmask = numa_parse_nodestring(input);
571 if (verify_bitmask == NULL) {
572 log_err("fio: numa_parse_nodestring failed\n");
573 td_verror(td, 1, "str_numa_cpunodes_cb");
574 return 1;
575 }
576 numa_free_nodemask(verify_bitmask);
577
578 td->o.numa_cpunodes = strdup(input);
579 return 0;
580}
581
582static int str_numa_mpol_cb(void *data, char *input)
583{
584 struct thread_data *td = data;
585 const char * const policy_types[] =
586 { "default", "prefer", "bind", "interleave", "local", NULL };
587 int i;
588 char *nodelist;
589 struct bitmask *verify_bitmask;
590
591 if (parse_dryrun())
592 return 0;
593
594 nodelist = strchr(input, ':');
595 if (nodelist) {
596 /* NUL-terminate mode */
597 *nodelist++ = '\0';
598 }
599
600 for (i = 0; i <= MPOL_LOCAL; i++) {
601 if (!strcmp(input, policy_types[i])) {
602 td->o.numa_mem_mode = i;
603 break;
604 }
605 }
606 if (i > MPOL_LOCAL) {
607 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
608 goto out;
609 }
610
611 switch (td->o.numa_mem_mode) {
612 case MPOL_PREFERRED:
613 /*
614 * Insist on a nodelist of one node only
615 */
616 if (nodelist) {
617 char *rest = nodelist;
618 while (isdigit(*rest))
619 rest++;
620 if (*rest) {
621 log_err("fio: one node only for \'prefer\'\n");
622 goto out;
623 }
624 } else {
625 log_err("fio: one node is needed for \'prefer\'\n");
626 goto out;
627 }
628 break;
629 case MPOL_INTERLEAVE:
630 /*
631 * Default to online nodes with memory if no nodelist
632 */
633 if (!nodelist)
634 nodelist = strdup("all");
635 break;
636 case MPOL_LOCAL:
637 case MPOL_DEFAULT:
638 /*
639 * Don't allow a nodelist
640 */
641 if (nodelist) {
642 log_err("fio: NO nodelist for \'local\'\n");
643 goto out;
644 }
645 break;
646 case MPOL_BIND:
647 /*
648 * Insist on a nodelist
649 */
650 if (!nodelist) {
651 log_err("fio: a nodelist is needed for \'bind\'\n");
652 goto out;
653 }
654 break;
655 }
656
657
658 /* numa_parse_nodestring() parses a character string list
659 * of nodes into a bit mask. The bit mask is allocated by
660 * numa_allocate_nodemask(), so it should be freed by
661 * numa_free_nodemask().
662 */
663 switch (td->o.numa_mem_mode) {
664 case MPOL_PREFERRED:
665 td->o.numa_mem_prefer_node = atoi(nodelist);
666 break;
667 case MPOL_INTERLEAVE:
668 case MPOL_BIND:
669 verify_bitmask = numa_parse_nodestring(nodelist);
670 if (verify_bitmask == NULL) {
671 log_err("fio: numa_parse_nodestring failed\n");
672 td_verror(td, 1, "str_numa_memnodes_cb");
673 return 1;
674 }
675 td->o.numa_memnodes = strdup(nodelist);
676 numa_free_nodemask(verify_bitmask);
677
678 break;
679 case MPOL_LOCAL:
680 case MPOL_DEFAULT:
681 default:
682 break;
683 }
684
685 return 0;
686out:
687 return 1;
688}
689#endif
690
691static int str_fst_cb(void *data, const char *str)
692{
693 struct thread_data *td = data;
694 char *nr = get_opt_postfix(str);
695
696 td->file_service_nr = 1;
697 if (nr) {
698 td->file_service_nr = atoi(nr);
699 free(nr);
700 }
701
702 return 0;
703}
704
705#ifdef CONFIG_SYNC_FILE_RANGE
706static int str_sfr_cb(void *data, const char *str)
707{
708 struct thread_data *td = data;
709 char *nr = get_opt_postfix(str);
710
711 td->sync_file_range_nr = 1;
712 if (nr) {
713 td->sync_file_range_nr = atoi(nr);
714 free(nr);
715 }
716
717 return 0;
718}
719#endif
720
721static int zone_cmp(const void *p1, const void *p2)
722{
723 const struct zone_split *zsp1 = p1;
724 const struct zone_split *zsp2 = p2;
725
726 return (int) zsp2->access_perc - (int) zsp1->access_perc;
727}
728
729static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
730 char *str)
731{
732 struct zone_split *zsplit;
733 unsigned int i, perc, perc_missing, sperc, sperc_missing;
734 long long val;
735 char *fname;
736
737 o->zone_split_nr[ddir] = 4;
738 zsplit = malloc(4 * sizeof(struct zone_split));
739
740 i = 0;
741 while ((fname = strsep(&str, ":")) != NULL) {
742 char *perc_str;
743
744 if (!strlen(fname))
745 break;
746
747 /*
748 * grow struct buffer, if needed
749 */
750 if (i == o->zone_split_nr[ddir]) {
751 o->zone_split_nr[ddir] <<= 1;
752 zsplit = realloc(zsplit, o->zone_split_nr[ddir]
753 * sizeof(struct zone_split));
754 }
755
756 perc_str = strstr(fname, "/");
757 if (perc_str) {
758 *perc_str = '\0';
759 perc_str++;
760 perc = atoi(perc_str);
761 if (perc > 100)
762 perc = 100;
763 else if (!perc)
764 perc = -1U;
765 } else
766 perc = -1U;
767
768 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
769 log_err("fio: zone_split conversion failed\n");
770 free(zsplit);
771 return 1;
772 }
773
774 zsplit[i].access_perc = val;
775 zsplit[i].size_perc = perc;
776 i++;
777 }
778
779 o->zone_split_nr[ddir] = i;
780
781 /*
782 * Now check if the percentages add up, and how much is missing
783 */
784 perc = perc_missing = 0;
785 sperc = sperc_missing = 0;
786 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
787 struct zone_split *zsp = &zsplit[i];
788
789 if (zsp->access_perc == (uint8_t) -1U)
790 perc_missing++;
791 else
792 perc += zsp->access_perc;
793
794 if (zsp->size_perc == (uint8_t) -1U)
795 sperc_missing++;
796 else
797 sperc += zsp->size_perc;
798
799 }
800
801 if (perc > 100 || sperc > 100) {
802 log_err("fio: zone_split percentages add to more than 100%%\n");
803 free(zsplit);
804 return 1;
805 }
806 if (perc < 100) {
807 log_err("fio: access percentage don't add up to 100 for zoned "
808 "random distribution (got=%u)\n", perc);
809 free(zsplit);
810 return 1;
811 }
812
813 /*
814 * If values didn't have a percentage set, divide the remains between
815 * them.
816 */
817 if (perc_missing) {
818 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
819 perc = 100;
820 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
821 struct zone_split *zsp = &zsplit[i];
822
823 if (zsp->access_perc == (uint8_t) -1U)
824 zsp->access_perc = (100 - perc) / perc_missing;
825 }
826 }
827 if (sperc_missing) {
828 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
829 sperc = 100;
830 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
831 struct zone_split *zsp = &zsplit[i];
832
833 if (zsp->size_perc == (uint8_t) -1U)
834 zsp->size_perc = (100 - sperc) / sperc_missing;
835 }
836 }
837
838 /*
839 * now sort based on percentages, for ease of lookup
840 */
841 qsort(zsplit, o->zone_split_nr[ddir], sizeof(struct zone_split), zone_cmp);
842 o->zone_split[ddir] = zsplit;
843 return 0;
844}
845
846static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
847{
848 unsigned int i, j, sprev, aprev;
849
850 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
851
852 sprev = aprev = 0;
853 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
854 struct zone_split *zsp = &td->o.zone_split[ddir][i];
855
856 for (j = aprev; j < aprev + zsp->access_perc; j++) {
857 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
858
859 zsi->size_perc = sprev + zsp->size_perc;
860 zsi->size_perc_prev = sprev;
861 }
862
863 aprev += zsp->access_perc;
864 sprev += zsp->size_perc;
865 }
866}
867
868/*
869 * Generate state table for indexes, so we don't have to do it inline from
870 * the hot IO path
871 */
872static void td_zone_gen_index(struct thread_data *td)
873{
874 int i;
875
876 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
877 sizeof(struct zone_split_index *));
878
879 for (i = 0; i < DDIR_RWDIR_CNT; i++)
880 __td_zone_gen_index(td, i);
881}
882
883static int parse_zoned_distribution(struct thread_data *td, const char *input)
884{
885 char *str, *p;
886 int i, ret = 0;
887
888 p = str = strdup(input);
889
890 strip_blank_front(&str);
891 strip_blank_end(str);
892
893 /* We expect it to start like that, bail if not */
894 if (strncmp(str, "zoned:", 6)) {
895 log_err("fio: mismatch in zoned input <%s>\n", str);
896 free(p);
897 return 1;
898 }
899 str += strlen("zoned:");
900
901 ret = str_split_parse(td, str, zone_split_ddir);
902
903 free(p);
904
905 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
906 int j;
907
908 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
909
910 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
911 struct zone_split *zsp = &td->o.zone_split[i][j];
912
913 dprint(FD_PARSE, "\t%d: %u/%u\n", j, zsp->access_perc,
914 zsp->size_perc);
915 }
916 }
917
918 if (!ret)
919 td_zone_gen_index(td);
920 else {
921 for (i = 0; i < DDIR_RWDIR_CNT; i++)
922 td->o.zone_split_nr[i] = 0;
923 }
924
925 return ret;
926}
927
928static int str_random_distribution_cb(void *data, const char *str)
929{
930 struct thread_data *td = data;
931 double val;
932 char *nr;
933
934 if (parse_dryrun())
935 return 0;
936
937 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
938 val = FIO_DEF_ZIPF;
939 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
940 val = FIO_DEF_PARETO;
941 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
942 val = 0.0;
943 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
944 return parse_zoned_distribution(td, str);
945 else
946 return 0;
947
948 nr = get_opt_postfix(str);
949 if (nr && !str_to_float(nr, &val, 0)) {
950 log_err("fio: random postfix parsing failed\n");
951 free(nr);
952 return 1;
953 }
954
955 free(nr);
956
957 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
958 if (val == 1.00) {
959 log_err("fio: zipf theta must different than 1.0\n");
960 return 1;
961 }
962 td->o.zipf_theta.u.f = val;
963 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
964 if (val <= 0.00 || val >= 1.00) {
965 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
966 return 1;
967 }
968 td->o.pareto_h.u.f = val;
969 } else {
970 if (val <= 0.00 || val >= 100.0) {
971 log_err("fio: normal deviation out of range (0 < input < 100.0)\n");
972 return 1;
973 }
974 td->o.gauss_dev.u.f = val;
975 }
976
977 return 0;
978}
979
980/*
981 * Return next name in the string. Files are separated with ':'. If the ':'
982 * is escaped with a '\', then that ':' is part of the filename and does not
983 * indicate a new file.
984 */
985static char *get_next_name(char **ptr)
986{
987 char *str = *ptr;
988 char *p, *start;
989
990 if (!str || !strlen(str))
991 return NULL;
992
993 start = str;
994 do {
995 /*
996 * No colon, we are done
997 */
998 p = strchr(str, ':');
999 if (!p) {
1000 *ptr = NULL;
1001 break;
1002 }
1003
1004 /*
1005 * We got a colon, but it's the first character. Skip and
1006 * continue
1007 */
1008 if (p == start) {
1009 str = ++start;
1010 continue;
1011 }
1012
1013 if (*(p - 1) != '\\') {
1014 *p = '\0';
1015 *ptr = p + 1;
1016 break;
1017 }
1018
1019 memmove(p - 1, p, strlen(p) + 1);
1020 str = p;
1021 } while (1);
1022
1023 return start;
1024}
1025
1026
1027static int get_max_name_idx(char *input)
1028{
1029 unsigned int cur_idx;
1030 char *str, *p;
1031
1032 p = str = strdup(input);
1033 for (cur_idx = 0; ; cur_idx++)
1034 if (get_next_name(&str) == NULL)
1035 break;
1036
1037 free(p);
1038 return cur_idx;
1039}
1040
1041/*
1042 * Returns the directory at the index, indexes > entires will be
1043 * assigned via modulo division of the index
1044 */
1045int set_name_idx(char *target, size_t tlen, char *input, int index)
1046{
1047 unsigned int cur_idx;
1048 int len;
1049 char *fname, *str, *p;
1050
1051 p = str = strdup(input);
1052
1053 index %= get_max_name_idx(input);
1054 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1055 fname = get_next_name(&str);
1056
1057 if (client_sockaddr_str[0]) {
1058 len = snprintf(target, tlen, "%s/%s.", fname,
1059 client_sockaddr_str);
1060 } else
1061 len = snprintf(target, tlen, "%s/", fname);
1062
1063 target[tlen - 1] = '\0';
1064 free(p);
1065
1066 return len;
1067}
1068
1069static int str_filename_cb(void *data, const char *input)
1070{
1071 struct thread_data *td = data;
1072 char *fname, *str, *p;
1073
1074 p = str = strdup(input);
1075
1076 strip_blank_front(&str);
1077 strip_blank_end(str);
1078
1079 if (!td->files_index)
1080 td->o.nr_files = 0;
1081
1082 while ((fname = get_next_name(&str)) != NULL) {
1083 if (!strlen(fname))
1084 break;
1085 add_file(td, fname, 0, 1);
1086 }
1087
1088 free(p);
1089 return 0;
1090}
1091
1092static int str_directory_cb(void *data, const char fio_unused *unused)
1093{
1094 struct thread_data *td = data;
1095 struct stat sb;
1096 char *dirname, *str, *p;
1097 int ret = 0;
1098
1099 if (parse_dryrun())
1100 return 0;
1101
1102 p = str = strdup(td->o.directory);
1103 while ((dirname = get_next_name(&str)) != NULL) {
1104 if (lstat(dirname, &sb) < 0) {
1105 ret = errno;
1106
1107 log_err("fio: %s is not a directory\n", dirname);
1108 td_verror(td, ret, "lstat");
1109 goto out;
1110 }
1111 if (!S_ISDIR(sb.st_mode)) {
1112 log_err("fio: %s is not a directory\n", dirname);
1113 ret = 1;
1114 goto out;
1115 }
1116 }
1117
1118out:
1119 free(p);
1120 return ret;
1121}
1122
1123static int str_opendir_cb(void *data, const char fio_unused *str)
1124{
1125 struct thread_data *td = data;
1126
1127 if (parse_dryrun())
1128 return 0;
1129
1130 if (!td->files_index)
1131 td->o.nr_files = 0;
1132
1133 return add_dir_files(td, td->o.opendir);
1134}
1135
1136static int str_buffer_pattern_cb(void *data, const char *input)
1137{
1138 struct thread_data *td = data;
1139 int ret;
1140
1141 /* FIXME: for now buffer pattern does not support formats */
1142 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1143 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1144 if (ret < 0)
1145 return 1;
1146
1147 assert(ret != 0);
1148 td->o.buffer_pattern_bytes = ret;
1149 if (!td->o.compress_percentage)
1150 td->o.refill_buffers = 0;
1151 td->o.scramble_buffers = 0;
1152 td->o.zero_buffers = 0;
1153
1154 return 0;
1155}
1156
1157static int str_buffer_compress_cb(void *data, unsigned long long *il)
1158{
1159 struct thread_data *td = data;
1160
1161 td->flags |= TD_F_COMPRESS;
1162 td->o.compress_percentage = *il;
1163 return 0;
1164}
1165
1166static int str_dedupe_cb(void *data, unsigned long long *il)
1167{
1168 struct thread_data *td = data;
1169
1170 td->flags |= TD_F_COMPRESS;
1171 td->o.dedupe_percentage = *il;
1172 td->o.refill_buffers = 1;
1173 return 0;
1174}
1175
1176static int str_verify_pattern_cb(void *data, const char *input)
1177{
1178 struct pattern_fmt_desc fmt_desc[] = {
1179 {
1180 .fmt = "%o",
1181 .len = FIELD_SIZE(struct io_u *, offset),
1182 .paste = paste_blockoff
1183 }
1184 };
1185 struct thread_data *td = data;
1186 int ret;
1187
1188 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1189 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
1190 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1191 td->o.verify_fmt, &td->o.verify_fmt_sz);
1192 if (ret < 0)
1193 return 1;
1194
1195 assert(ret != 0);
1196 td->o.verify_pattern_bytes = ret;
1197 /*
1198 * VERIFY_* could already be set
1199 */
1200 if (!fio_option_is_set(&td->o, verify))
1201 td->o.verify = VERIFY_PATTERN;
1202
1203 return 0;
1204}
1205
1206static int str_gtod_reduce_cb(void *data, int *il)
1207{
1208 struct thread_data *td = data;
1209 int val = *il;
1210
1211 td->o.disable_lat = !!val;
1212 td->o.disable_clat = !!val;
1213 td->o.disable_slat = !!val;
1214 td->o.disable_bw = !!val;
1215 td->o.clat_percentiles = !val;
1216 if (val)
1217 td->tv_cache_mask = 63;
1218
1219 return 0;
1220}
1221
1222static int str_size_cb(void *data, unsigned long long *__val)
1223{
1224 struct thread_data *td = data;
1225 unsigned long long v = *__val;
1226
1227 if (parse_is_percent(v)) {
1228 td->o.size = 0;
1229 td->o.size_percent = -1ULL - v;
1230 } else
1231 td->o.size = v;
1232
1233 return 0;
1234}
1235
1236static int rw_verify(struct fio_option *o, void *data)
1237{
1238 struct thread_data *td = data;
1239
1240 if (read_only && td_write(td)) {
1241 log_err("fio: job <%s> has write bit set, but fio is in"
1242 " read-only mode\n", td->o.name);
1243 return 1;
1244 }
1245
1246 return 0;
1247}
1248
1249static int gtod_cpu_verify(struct fio_option *o, void *data)
1250{
1251#ifndef FIO_HAVE_CPU_AFFINITY
1252 struct thread_data *td = data;
1253
1254 if (td->o.gtod_cpu) {
1255 log_err("fio: platform must support CPU affinity for"
1256 "gettimeofday() offloading\n");
1257 return 1;
1258 }
1259#endif
1260
1261 return 0;
1262}
1263
1264/*
1265 * Map of job/command line options
1266 */
1267struct fio_option fio_options[FIO_MAX_OPTS] = {
1268 {
1269 .name = "description",
1270 .lname = "Description of job",
1271 .type = FIO_OPT_STR_STORE,
1272 .off1 = td_var_offset(description),
1273 .help = "Text job description",
1274 .category = FIO_OPT_C_GENERAL,
1275 .group = FIO_OPT_G_DESC,
1276 },
1277 {
1278 .name = "name",
1279 .lname = "Job name",
1280 .type = FIO_OPT_STR_STORE,
1281 .off1 = td_var_offset(name),
1282 .help = "Name of this job",
1283 .category = FIO_OPT_C_GENERAL,
1284 .group = FIO_OPT_G_DESC,
1285 },
1286 {
1287 .name = "wait_for",
1288 .lname = "Waitee name",
1289 .type = FIO_OPT_STR_STORE,
1290 .off1 = td_var_offset(wait_for),
1291 .help = "Name of the job this one wants to wait for before starting",
1292 .category = FIO_OPT_C_GENERAL,
1293 .group = FIO_OPT_G_DESC,
1294 },
1295 {
1296 .name = "filename",
1297 .lname = "Filename(s)",
1298 .type = FIO_OPT_STR_STORE,
1299 .off1 = td_var_offset(filename),
1300 .cb = str_filename_cb,
1301 .prio = -1, /* must come after "directory" */
1302 .help = "File(s) to use for the workload",
1303 .category = FIO_OPT_C_FILE,
1304 .group = FIO_OPT_G_FILENAME,
1305 },
1306 {
1307 .name = "directory",
1308 .lname = "Directory",
1309 .type = FIO_OPT_STR_STORE,
1310 .off1 = td_var_offset(directory),
1311 .cb = str_directory_cb,
1312 .help = "Directory to store files in",
1313 .category = FIO_OPT_C_FILE,
1314 .group = FIO_OPT_G_FILENAME,
1315 },
1316 {
1317 .name = "filename_format",
1318 .type = FIO_OPT_STR_STORE,
1319 .off1 = td_var_offset(filename_format),
1320 .prio = -1, /* must come after "directory" */
1321 .help = "Override default $jobname.$jobnum.$filenum naming",
1322 .def = "$jobname.$jobnum.$filenum",
1323 .category = FIO_OPT_C_FILE,
1324 .group = FIO_OPT_G_FILENAME,
1325 },
1326 {
1327 .name = "lockfile",
1328 .lname = "Lockfile",
1329 .type = FIO_OPT_STR,
1330 .off1 = td_var_offset(file_lock_mode),
1331 .help = "Lock file when doing IO to it",
1332 .prio = 1,
1333 .parent = "filename",
1334 .hide = 0,
1335 .def = "none",
1336 .category = FIO_OPT_C_FILE,
1337 .group = FIO_OPT_G_FILENAME,
1338 .posval = {
1339 { .ival = "none",
1340 .oval = FILE_LOCK_NONE,
1341 .help = "No file locking",
1342 },
1343 { .ival = "exclusive",
1344 .oval = FILE_LOCK_EXCLUSIVE,
1345 .help = "Exclusive file lock",
1346 },
1347 {
1348 .ival = "readwrite",
1349 .oval = FILE_LOCK_READWRITE,
1350 .help = "Read vs write lock",
1351 },
1352 },
1353 },
1354 {
1355 .name = "opendir",
1356 .lname = "Open directory",
1357 .type = FIO_OPT_STR_STORE,
1358 .off1 = td_var_offset(opendir),
1359 .cb = str_opendir_cb,
1360 .help = "Recursively add files from this directory and down",
1361 .category = FIO_OPT_C_FILE,
1362 .group = FIO_OPT_G_FILENAME,
1363 },
1364 {
1365 .name = "rw",
1366 .lname = "Read/write",
1367 .alias = "readwrite",
1368 .type = FIO_OPT_STR,
1369 .cb = str_rw_cb,
1370 .off1 = td_var_offset(td_ddir),
1371 .help = "IO direction",
1372 .def = "read",
1373 .verify = rw_verify,
1374 .category = FIO_OPT_C_IO,
1375 .group = FIO_OPT_G_IO_BASIC,
1376 .posval = {
1377 { .ival = "read",
1378 .oval = TD_DDIR_READ,
1379 .help = "Sequential read",
1380 },
1381 { .ival = "write",
1382 .oval = TD_DDIR_WRITE,
1383 .help = "Sequential write",
1384 },
1385 { .ival = "trim",
1386 .oval = TD_DDIR_TRIM,
1387 .help = "Sequential trim",
1388 },
1389 { .ival = "randread",
1390 .oval = TD_DDIR_RANDREAD,
1391 .help = "Random read",
1392 },
1393 { .ival = "randwrite",
1394 .oval = TD_DDIR_RANDWRITE,
1395 .help = "Random write",
1396 },
1397 { .ival = "randtrim",
1398 .oval = TD_DDIR_RANDTRIM,
1399 .help = "Random trim",
1400 },
1401 { .ival = "rw",
1402 .oval = TD_DDIR_RW,
1403 .help = "Sequential read and write mix",
1404 },
1405 { .ival = "readwrite",
1406 .oval = TD_DDIR_RW,
1407 .help = "Sequential read and write mix",
1408 },
1409 { .ival = "randrw",
1410 .oval = TD_DDIR_RANDRW,
1411 .help = "Random read and write mix"
1412 },
1413 { .ival = "trimwrite",
1414 .oval = TD_DDIR_TRIMWRITE,
1415 .help = "Trim and write mix, trims preceding writes"
1416 },
1417 },
1418 },
1419 {
1420 .name = "rw_sequencer",
1421 .lname = "RW Sequencer",
1422 .type = FIO_OPT_STR,
1423 .off1 = td_var_offset(rw_seq),
1424 .help = "IO offset generator modifier",
1425 .def = "sequential",
1426 .category = FIO_OPT_C_IO,
1427 .group = FIO_OPT_G_IO_BASIC,
1428 .posval = {
1429 { .ival = "sequential",
1430 .oval = RW_SEQ_SEQ,
1431 .help = "Generate sequential offsets",
1432 },
1433 { .ival = "identical",
1434 .oval = RW_SEQ_IDENT,
1435 .help = "Generate identical offsets",
1436 },
1437 },
1438 },
1439
1440 {
1441 .name = "ioengine",
1442 .lname = "IO Engine",
1443 .type = FIO_OPT_STR_STORE,
1444 .off1 = td_var_offset(ioengine),
1445 .help = "IO engine to use",
1446 .def = FIO_PREFERRED_ENGINE,
1447 .category = FIO_OPT_C_IO,
1448 .group = FIO_OPT_G_IO_BASIC,
1449 .posval = {
1450 { .ival = "sync",
1451 .help = "Use read/write",
1452 },
1453 { .ival = "psync",
1454 .help = "Use pread/pwrite",
1455 },
1456 { .ival = "vsync",
1457 .help = "Use readv/writev",
1458 },
1459#ifdef CONFIG_PWRITEV
1460 { .ival = "pvsync",
1461 .help = "Use preadv/pwritev",
1462 },
1463#endif
1464#ifdef CONFIG_PWRITEV
1465 { .ival = "pvsync2",
1466 .help = "Use preadv2/pwritev2",
1467 },
1468#endif
1469#ifdef CONFIG_LIBAIO
1470 { .ival = "libaio",
1471 .help = "Linux native asynchronous IO",
1472 },
1473#endif
1474#ifdef CONFIG_POSIXAIO
1475 { .ival = "posixaio",
1476 .help = "POSIX asynchronous IO",
1477 },
1478#endif
1479#ifdef CONFIG_SOLARISAIO
1480 { .ival = "solarisaio",
1481 .help = "Solaris native asynchronous IO",
1482 },
1483#endif
1484#ifdef CONFIG_WINDOWSAIO
1485 { .ival = "windowsaio",
1486 .help = "Windows native asynchronous IO"
1487 },
1488#endif
1489#ifdef CONFIG_RBD
1490 { .ival = "rbd",
1491 .help = "Rados Block Device asynchronous IO"
1492 },
1493#endif
1494 { .ival = "mmap",
1495 .help = "Memory mapped IO"
1496 },
1497#ifdef CONFIG_LINUX_SPLICE
1498 { .ival = "splice",
1499 .help = "splice/vmsplice based IO",
1500 },
1501 { .ival = "netsplice",
1502 .help = "splice/vmsplice to/from the network",
1503 },
1504#endif
1505#ifdef FIO_HAVE_SGIO
1506 { .ival = "sg",
1507 .help = "SCSI generic v3 IO",
1508 },
1509#endif
1510 { .ival = "null",
1511 .help = "Testing engine (no data transfer)",
1512 },
1513 { .ival = "net",
1514 .help = "Network IO",
1515 },
1516 { .ival = "cpuio",
1517 .help = "CPU cycle burner engine",
1518 },
1519#ifdef CONFIG_GUASI
1520 { .ival = "guasi",
1521 .help = "GUASI IO engine",
1522 },
1523#endif
1524#ifdef FIO_HAVE_BINJECT
1525 { .ival = "binject",
1526 .help = "binject direct inject block engine",
1527 },
1528#endif
1529#ifdef CONFIG_RDMA
1530 { .ival = "rdma",
1531 .help = "RDMA IO engine",
1532 },
1533#endif
1534#ifdef CONFIG_FUSION_AW
1535 { .ival = "fusion-aw-sync",
1536 .help = "Fusion-io atomic write engine",
1537 },
1538#endif
1539#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1540 { .ival = "e4defrag",
1541 .help = "ext4 defrag engine",
1542 },
1543#endif
1544#ifdef CONFIG_LINUX_FALLOCATE
1545 { .ival = "falloc",
1546 .help = "fallocate() file based engine",
1547 },
1548#endif
1549#ifdef CONFIG_GFAPI
1550 { .ival = "gfapi",
1551 .help = "Glusterfs libgfapi(sync) based engine"
1552 },
1553 { .ival = "gfapi_async",
1554 .help = "Glusterfs libgfapi(async) based engine"
1555 },
1556#endif
1557#ifdef CONFIG_LIBHDFS
1558 { .ival = "libhdfs",
1559 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1560 },
1561#endif
1562 { .ival = "external",
1563 .help = "Load external engine (append name)",
1564 },
1565 },
1566 },
1567 {
1568 .name = "iodepth",
1569 .lname = "IO Depth",
1570 .type = FIO_OPT_INT,
1571 .off1 = td_var_offset(iodepth),
1572 .help = "Number of IO buffers to keep in flight",
1573 .minval = 1,
1574 .interval = 1,
1575 .def = "1",
1576 .category = FIO_OPT_C_IO,
1577 .group = FIO_OPT_G_IO_BASIC,
1578 },
1579 {
1580 .name = "iodepth_batch",
1581 .lname = "IO Depth batch",
1582 .alias = "iodepth_batch_submit",
1583 .type = FIO_OPT_INT,
1584 .off1 = td_var_offset(iodepth_batch),
1585 .help = "Number of IO buffers to submit in one go",
1586 .parent = "iodepth",
1587 .hide = 1,
1588 .minval = 1,
1589 .interval = 1,
1590 .def = "1",
1591 .category = FIO_OPT_C_IO,
1592 .group = FIO_OPT_G_IO_BASIC,
1593 },
1594 {
1595 .name = "iodepth_batch_complete_min",
1596 .lname = "Min IO depth batch complete",
1597 .alias = "iodepth_batch_complete",
1598 .type = FIO_OPT_INT,
1599 .off1 = td_var_offset(iodepth_batch_complete_min),
1600 .help = "Min number of IO buffers to retrieve in one go",
1601 .parent = "iodepth",
1602 .hide = 1,
1603 .minval = 0,
1604 .interval = 1,
1605 .def = "1",
1606 .category = FIO_OPT_C_IO,
1607 .group = FIO_OPT_G_IO_BASIC,
1608 },
1609 {
1610 .name = "iodepth_batch_complete_max",
1611 .lname = "Max IO depth batch complete",
1612 .type = FIO_OPT_INT,
1613 .off1 = td_var_offset(iodepth_batch_complete_max),
1614 .help = "Max number of IO buffers to retrieve in one go",
1615 .parent = "iodepth",
1616 .hide = 1,
1617 .minval = 0,
1618 .interval = 1,
1619 .category = FIO_OPT_C_IO,
1620 .group = FIO_OPT_G_IO_BASIC,
1621 },
1622 {
1623 .name = "iodepth_low",
1624 .lname = "IO Depth batch low",
1625 .type = FIO_OPT_INT,
1626 .off1 = td_var_offset(iodepth_low),
1627 .help = "Low water mark for queuing depth",
1628 .parent = "iodepth",
1629 .hide = 1,
1630 .interval = 1,
1631 .category = FIO_OPT_C_IO,
1632 .group = FIO_OPT_G_IO_BASIC,
1633 },
1634 {
1635 .name = "io_submit_mode",
1636 .lname = "IO submit mode",
1637 .type = FIO_OPT_STR,
1638 .off1 = td_var_offset(io_submit_mode),
1639 .help = "How IO submissions and completions are done",
1640 .def = "inline",
1641 .category = FIO_OPT_C_IO,
1642 .group = FIO_OPT_G_IO_BASIC,
1643 .posval = {
1644 { .ival = "inline",
1645 .oval = IO_MODE_INLINE,
1646 .help = "Submit and complete IO inline",
1647 },
1648 { .ival = "offload",
1649 .oval = IO_MODE_OFFLOAD,
1650 .help = "Offload submit and complete to threads",
1651 },
1652 },
1653 },
1654 {
1655 .name = "size",
1656 .lname = "Size",
1657 .type = FIO_OPT_STR_VAL,
1658 .cb = str_size_cb,
1659 .off1 = td_var_offset(size),
1660 .help = "Total size of device or files",
1661 .interval = 1024 * 1024,
1662 .category = FIO_OPT_C_IO,
1663 .group = FIO_OPT_G_INVALID,
1664 },
1665 {
1666 .name = "io_size",
1667 .alias = "io_limit",
1668 .lname = "IO Size",
1669 .type = FIO_OPT_STR_VAL,
1670 .off1 = td_var_offset(io_limit),
1671 .interval = 1024 * 1024,
1672 .category = FIO_OPT_C_IO,
1673 .group = FIO_OPT_G_INVALID,
1674 },
1675 {
1676 .name = "fill_device",
1677 .lname = "Fill device",
1678 .alias = "fill_fs",
1679 .type = FIO_OPT_BOOL,
1680 .off1 = td_var_offset(fill_device),
1681 .help = "Write until an ENOSPC error occurs",
1682 .def = "0",
1683 .category = FIO_OPT_C_FILE,
1684 .group = FIO_OPT_G_INVALID,
1685 },
1686 {
1687 .name = "filesize",
1688 .lname = "File size",
1689 .type = FIO_OPT_STR_VAL,
1690 .off1 = td_var_offset(file_size_low),
1691 .off2 = td_var_offset(file_size_high),
1692 .minval = 1,
1693 .help = "Size of individual files",
1694 .interval = 1024 * 1024,
1695 .category = FIO_OPT_C_FILE,
1696 .group = FIO_OPT_G_INVALID,
1697 },
1698 {
1699 .name = "file_append",
1700 .lname = "File append",
1701 .type = FIO_OPT_BOOL,
1702 .off1 = td_var_offset(file_append),
1703 .help = "IO will start at the end of the file(s)",
1704 .def = "0",
1705 .category = FIO_OPT_C_FILE,
1706 .group = FIO_OPT_G_INVALID,
1707 },
1708 {
1709 .name = "offset",
1710 .lname = "IO offset",
1711 .alias = "fileoffset",
1712 .type = FIO_OPT_STR_VAL,
1713 .off1 = td_var_offset(start_offset),
1714 .help = "Start IO from this offset",
1715 .def = "0",
1716 .interval = 1024 * 1024,
1717 .category = FIO_OPT_C_IO,
1718 .group = FIO_OPT_G_INVALID,
1719 },
1720 {
1721 .name = "offset_increment",
1722 .lname = "IO offset increment",
1723 .type = FIO_OPT_STR_VAL,
1724 .off1 = td_var_offset(offset_increment),
1725 .help = "What is the increment from one offset to the next",
1726 .parent = "offset",
1727 .hide = 1,
1728 .def = "0",
1729 .interval = 1024 * 1024,
1730 .category = FIO_OPT_C_IO,
1731 .group = FIO_OPT_G_INVALID,
1732 },
1733 {
1734 .name = "number_ios",
1735 .lname = "Number of IOs to perform",
1736 .type = FIO_OPT_STR_VAL,
1737 .off1 = td_var_offset(number_ios),
1738 .help = "Force job completion after this number of IOs",
1739 .def = "0",
1740 .category = FIO_OPT_C_IO,
1741 .group = FIO_OPT_G_INVALID,
1742 },
1743 {
1744 .name = "bs",
1745 .lname = "Block size",
1746 .alias = "blocksize",
1747 .type = FIO_OPT_INT,
1748 .off1 = td_var_offset(bs[DDIR_READ]),
1749 .off2 = td_var_offset(bs[DDIR_WRITE]),
1750 .off3 = td_var_offset(bs[DDIR_TRIM]),
1751 .minval = 1,
1752 .help = "Block size unit",
1753 .def = "4k",
1754 .parent = "rw",
1755 .hide = 1,
1756 .interval = 512,
1757 .category = FIO_OPT_C_IO,
1758 .group = FIO_OPT_G_INVALID,
1759 },
1760 {
1761 .name = "ba",
1762 .lname = "Block size align",
1763 .alias = "blockalign",
1764 .type = FIO_OPT_INT,
1765 .off1 = td_var_offset(ba[DDIR_READ]),
1766 .off2 = td_var_offset(ba[DDIR_WRITE]),
1767 .off3 = td_var_offset(ba[DDIR_TRIM]),
1768 .minval = 1,
1769 .help = "IO block offset alignment",
1770 .parent = "rw",
1771 .hide = 1,
1772 .interval = 512,
1773 .category = FIO_OPT_C_IO,
1774 .group = FIO_OPT_G_INVALID,
1775 },
1776 {
1777 .name = "bsrange",
1778 .lname = "Block size range",
1779 .alias = "blocksize_range",
1780 .type = FIO_OPT_RANGE,
1781 .off1 = td_var_offset(min_bs[DDIR_READ]),
1782 .off2 = td_var_offset(max_bs[DDIR_READ]),
1783 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1784 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1785 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1786 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1787 .minval = 1,
1788 .help = "Set block size range (in more detail than bs)",
1789 .parent = "rw",
1790 .hide = 1,
1791 .interval = 4096,
1792 .category = FIO_OPT_C_IO,
1793 .group = FIO_OPT_G_INVALID,
1794 },
1795 {
1796 .name = "bssplit",
1797 .lname = "Block size split",
1798 .type = FIO_OPT_STR,
1799 .cb = str_bssplit_cb,
1800 .off1 = td_var_offset(bssplit),
1801 .help = "Set a specific mix of block sizes",
1802 .parent = "rw",
1803 .hide = 1,
1804 .category = FIO_OPT_C_IO,
1805 .group = FIO_OPT_G_INVALID,
1806 },
1807 {
1808 .name = "bs_unaligned",
1809 .lname = "Block size unaligned",
1810 .alias = "blocksize_unaligned",
1811 .type = FIO_OPT_STR_SET,
1812 .off1 = td_var_offset(bs_unaligned),
1813 .help = "Don't sector align IO buffer sizes",
1814 .parent = "rw",
1815 .hide = 1,
1816 .category = FIO_OPT_C_IO,
1817 .group = FIO_OPT_G_INVALID,
1818 },
1819 {
1820 .name = "bs_is_seq_rand",
1821 .lname = "Block size division is seq/random (not read/write)",
1822 .type = FIO_OPT_BOOL,
1823 .off1 = td_var_offset(bs_is_seq_rand),
1824 .help = "Consider any blocksize setting to be sequential,random",
1825 .def = "0",
1826 .parent = "blocksize",
1827 .category = FIO_OPT_C_IO,
1828 .group = FIO_OPT_G_INVALID,
1829 },
1830 {
1831 .name = "randrepeat",
1832 .lname = "Random repeatable",
1833 .type = FIO_OPT_BOOL,
1834 .off1 = td_var_offset(rand_repeatable),
1835 .help = "Use repeatable random IO pattern",
1836 .def = "1",
1837 .parent = "rw",
1838 .hide = 1,
1839 .category = FIO_OPT_C_IO,
1840 .group = FIO_OPT_G_RANDOM,
1841 },
1842 {
1843 .name = "randseed",
1844 .lname = "The random generator seed",
1845 .type = FIO_OPT_STR_VAL,
1846 .off1 = td_var_offset(rand_seed),
1847 .help = "Set the random generator seed value",
1848 .def = "0x89",
1849 .parent = "rw",
1850 .category = FIO_OPT_C_IO,
1851 .group = FIO_OPT_G_RANDOM,
1852 },
1853 {
1854 .name = "use_os_rand",
1855 .lname = "Use OS random",
1856 .type = FIO_OPT_DEPRECATED,
1857 .off1 = td_var_offset(dep_use_os_rand),
1858 .category = FIO_OPT_C_IO,
1859 .group = FIO_OPT_G_RANDOM,
1860 },
1861 {
1862 .name = "norandommap",
1863 .lname = "No randommap",
1864 .type = FIO_OPT_STR_SET,
1865 .off1 = td_var_offset(norandommap),
1866 .help = "Accept potential duplicate random blocks",
1867 .parent = "rw",
1868 .hide = 1,
1869 .hide_on_set = 1,
1870 .category = FIO_OPT_C_IO,
1871 .group = FIO_OPT_G_RANDOM,
1872 },
1873 {
1874 .name = "softrandommap",
1875 .lname = "Soft randommap",
1876 .type = FIO_OPT_BOOL,
1877 .off1 = td_var_offset(softrandommap),
1878 .help = "Set norandommap if randommap allocation fails",
1879 .parent = "norandommap",
1880 .hide = 1,
1881 .def = "0",
1882 .category = FIO_OPT_C_IO,
1883 .group = FIO_OPT_G_RANDOM,
1884 },
1885 {
1886 .name = "random_generator",
1887 .type = FIO_OPT_STR,
1888 .off1 = td_var_offset(random_generator),
1889 .help = "Type of random number generator to use",
1890 .def = "tausworthe",
1891 .posval = {
1892 { .ival = "tausworthe",
1893 .oval = FIO_RAND_GEN_TAUSWORTHE,
1894 .help = "Strong Tausworthe generator",
1895 },
1896 { .ival = "lfsr",
1897 .oval = FIO_RAND_GEN_LFSR,
1898 .help = "Variable length LFSR",
1899 },
1900 {
1901 .ival = "tausworthe64",
1902 .oval = FIO_RAND_GEN_TAUSWORTHE64,
1903 .help = "64-bit Tausworthe variant",
1904 },
1905 },
1906 .category = FIO_OPT_C_IO,
1907 .group = FIO_OPT_G_RANDOM,
1908 },
1909 {
1910 .name = "random_distribution",
1911 .type = FIO_OPT_STR,
1912 .off1 = td_var_offset(random_distribution),
1913 .cb = str_random_distribution_cb,
1914 .help = "Random offset distribution generator",
1915 .def = "random",
1916 .posval = {
1917 { .ival = "random",
1918 .oval = FIO_RAND_DIST_RANDOM,
1919 .help = "Completely random",
1920 },
1921 { .ival = "zipf",
1922 .oval = FIO_RAND_DIST_ZIPF,
1923 .help = "Zipf distribution",
1924 },
1925 { .ival = "pareto",
1926 .oval = FIO_RAND_DIST_PARETO,
1927 .help = "Pareto distribution",
1928 },
1929 { .ival = "normal",
1930 .oval = FIO_RAND_DIST_GAUSS,
1931 .help = "Normal (gaussian) distribution",
1932 },
1933 { .ival = "zoned",
1934 .oval = FIO_RAND_DIST_ZONED,
1935 .help = "Zoned random distribution",
1936 },
1937
1938 },
1939 .category = FIO_OPT_C_IO,
1940 .group = FIO_OPT_G_RANDOM,
1941 },
1942 {
1943 .name = "percentage_random",
1944 .lname = "Percentage Random",
1945 .type = FIO_OPT_INT,
1946 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1947 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1948 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
1949 .maxval = 100,
1950 .help = "Percentage of seq/random mix that should be random",
1951 .def = "100,100,100",
1952 .interval = 5,
1953 .inverse = "percentage_sequential",
1954 .category = FIO_OPT_C_IO,
1955 .group = FIO_OPT_G_RANDOM,
1956 },
1957 {
1958 .name = "percentage_sequential",
1959 .lname = "Percentage Sequential",
1960 .type = FIO_OPT_DEPRECATED,
1961 .category = FIO_OPT_C_IO,
1962 .group = FIO_OPT_G_RANDOM,
1963 },
1964 {
1965 .name = "allrandrepeat",
1966 .type = FIO_OPT_BOOL,
1967 .off1 = td_var_offset(allrand_repeatable),
1968 .help = "Use repeatable random numbers for everything",
1969 .def = "0",
1970 .category = FIO_OPT_C_IO,
1971 .group = FIO_OPT_G_RANDOM,
1972 },
1973 {
1974 .name = "nrfiles",
1975 .lname = "Number of files",
1976 .alias = "nr_files",
1977 .type = FIO_OPT_INT,
1978 .off1 = td_var_offset(nr_files),
1979 .help = "Split job workload between this number of files",
1980 .def = "1",
1981 .interval = 1,
1982 .category = FIO_OPT_C_FILE,
1983 .group = FIO_OPT_G_INVALID,
1984 },
1985 {
1986 .name = "openfiles",
1987 .lname = "Number of open files",
1988 .type = FIO_OPT_INT,
1989 .off1 = td_var_offset(open_files),
1990 .help = "Number of files to keep open at the same time",
1991 .category = FIO_OPT_C_FILE,
1992 .group = FIO_OPT_G_INVALID,
1993 },
1994 {
1995 .name = "file_service_type",
1996 .lname = "File service type",
1997 .type = FIO_OPT_STR,
1998 .cb = str_fst_cb,
1999 .off1 = td_var_offset(file_service_type),
2000 .help = "How to select which file to service next",
2001 .def = "roundrobin",
2002 .category = FIO_OPT_C_FILE,
2003 .group = FIO_OPT_G_INVALID,
2004 .posval = {
2005 { .ival = "random",
2006 .oval = FIO_FSERVICE_RANDOM,
2007 .help = "Choose a file at random",
2008 },
2009 { .ival = "roundrobin",
2010 .oval = FIO_FSERVICE_RR,
2011 .help = "Round robin select files",
2012 },
2013 { .ival = "sequential",
2014 .oval = FIO_FSERVICE_SEQ,
2015 .help = "Finish one file before moving to the next",
2016 },
2017 },
2018 .parent = "nrfiles",
2019 .hide = 1,
2020 },
2021#ifdef CONFIG_POSIX_FALLOCATE
2022 {
2023 .name = "fallocate",
2024 .lname = "Fallocate",
2025 .type = FIO_OPT_STR,
2026 .off1 = td_var_offset(fallocate_mode),
2027 .help = "Whether pre-allocation is performed when laying out files",
2028 .def = "posix",
2029 .category = FIO_OPT_C_FILE,
2030 .group = FIO_OPT_G_INVALID,
2031 .posval = {
2032 { .ival = "none",
2033 .oval = FIO_FALLOCATE_NONE,
2034 .help = "Do not pre-allocate space",
2035 },
2036 { .ival = "posix",
2037 .oval = FIO_FALLOCATE_POSIX,
2038 .help = "Use posix_fallocate()",
2039 },
2040#ifdef CONFIG_LINUX_FALLOCATE
2041 { .ival = "keep",
2042 .oval = FIO_FALLOCATE_KEEP_SIZE,
2043 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2044 },
2045#endif
2046 /* Compatibility with former boolean values */
2047 { .ival = "0",
2048 .oval = FIO_FALLOCATE_NONE,
2049 .help = "Alias for 'none'",
2050 },
2051 { .ival = "1",
2052 .oval = FIO_FALLOCATE_POSIX,
2053 .help = "Alias for 'posix'",
2054 },
2055 },
2056 },
2057#endif /* CONFIG_POSIX_FALLOCATE */
2058 {
2059 .name = "fadvise_hint",
2060 .lname = "Fadvise hint",
2061 .type = FIO_OPT_BOOL,
2062 .off1 = td_var_offset(fadvise_hint),
2063 .help = "Use fadvise() to advise the kernel on IO pattern",
2064 .def = "1",
2065 .category = FIO_OPT_C_FILE,
2066 .group = FIO_OPT_G_INVALID,
2067 },
2068#ifdef FIO_HAVE_STREAMID
2069 {
2070 .name = "fadvise_stream",
2071 .lname = "Fadvise stream",
2072 .type = FIO_OPT_INT,
2073 .off1 = td_var_offset(fadvise_stream),
2074 .help = "Use fadvise() to set stream ID",
2075 .category = FIO_OPT_C_FILE,
2076 .group = FIO_OPT_G_INVALID,
2077 },
2078#endif
2079 {
2080 .name = "fsync",
2081 .lname = "Fsync",
2082 .type = FIO_OPT_INT,
2083 .off1 = td_var_offset(fsync_blocks),
2084 .help = "Issue fsync for writes every given number of blocks",
2085 .def = "0",
2086 .interval = 1,
2087 .category = FIO_OPT_C_FILE,
2088 .group = FIO_OPT_G_INVALID,
2089 },
2090 {
2091 .name = "fdatasync",
2092 .lname = "Fdatasync",
2093 .type = FIO_OPT_INT,
2094 .off1 = td_var_offset(fdatasync_blocks),
2095 .help = "Issue fdatasync for writes every given number of blocks",
2096 .def = "0",
2097 .interval = 1,
2098 .category = FIO_OPT_C_FILE,
2099 .group = FIO_OPT_G_INVALID,
2100 },
2101 {
2102 .name = "write_barrier",
2103 .lname = "Write barrier",
2104 .type = FIO_OPT_INT,
2105 .off1 = td_var_offset(barrier_blocks),
2106 .help = "Make every Nth write a barrier write",
2107 .def = "0",
2108 .interval = 1,
2109 .category = FIO_OPT_C_IO,
2110 .group = FIO_OPT_G_INVALID,
2111 },
2112#ifdef CONFIG_SYNC_FILE_RANGE
2113 {
2114 .name = "sync_file_range",
2115 .lname = "Sync file range",
2116 .posval = {
2117 { .ival = "wait_before",
2118 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2119 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
2120 .orval = 1,
2121 },
2122 { .ival = "write",
2123 .oval = SYNC_FILE_RANGE_WRITE,
2124 .help = "SYNC_FILE_RANGE_WRITE",
2125 .orval = 1,
2126 },
2127 {
2128 .ival = "wait_after",
2129 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2130 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
2131 .orval = 1,
2132 },
2133 },
2134 .type = FIO_OPT_STR_MULTI,
2135 .cb = str_sfr_cb,
2136 .off1 = td_var_offset(sync_file_range),
2137 .help = "Use sync_file_range()",
2138 .category = FIO_OPT_C_FILE,
2139 .group = FIO_OPT_G_INVALID,
2140 },
2141#endif
2142 {
2143 .name = "direct",
2144 .lname = "Direct I/O",
2145 .type = FIO_OPT_BOOL,
2146 .off1 = td_var_offset(odirect),
2147 .help = "Use O_DIRECT IO (negates buffered)",
2148 .def = "0",
2149 .inverse = "buffered",
2150 .category = FIO_OPT_C_IO,
2151 .group = FIO_OPT_G_IO_TYPE,
2152 },
2153 {
2154 .name = "atomic",
2155 .lname = "Atomic I/O",
2156 .type = FIO_OPT_BOOL,
2157 .off1 = td_var_offset(oatomic),
2158 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2159 .def = "0",
2160 .category = FIO_OPT_C_IO,
2161 .group = FIO_OPT_G_IO_TYPE,
2162 },
2163 {
2164 .name = "buffered",
2165 .lname = "Buffered I/O",
2166 .type = FIO_OPT_BOOL,
2167 .off1 = td_var_offset(odirect),
2168 .neg = 1,
2169 .help = "Use buffered IO (negates direct)",
2170 .def = "1",
2171 .inverse = "direct",
2172 .category = FIO_OPT_C_IO,
2173 .group = FIO_OPT_G_IO_TYPE,
2174 },
2175 {
2176 .name = "overwrite",
2177 .lname = "Overwrite",
2178 .type = FIO_OPT_BOOL,
2179 .off1 = td_var_offset(overwrite),
2180 .help = "When writing, set whether to overwrite current data",
2181 .def = "0",
2182 .category = FIO_OPT_C_FILE,
2183 .group = FIO_OPT_G_INVALID,
2184 },
2185 {
2186 .name = "loops",
2187 .lname = "Loops",
2188 .type = FIO_OPT_INT,
2189 .off1 = td_var_offset(loops),
2190 .help = "Number of times to run the job",
2191 .def = "1",
2192 .interval = 1,
2193 .category = FIO_OPT_C_GENERAL,
2194 .group = FIO_OPT_G_RUNTIME,
2195 },
2196 {
2197 .name = "numjobs",
2198 .lname = "Number of jobs",
2199 .type = FIO_OPT_INT,
2200 .off1 = td_var_offset(numjobs),
2201 .help = "Duplicate this job this many times",
2202 .def = "1",
2203 .interval = 1,
2204 .category = FIO_OPT_C_GENERAL,
2205 .group = FIO_OPT_G_RUNTIME,
2206 },
2207 {
2208 .name = "startdelay",
2209 .lname = "Start delay",
2210 .type = FIO_OPT_STR_VAL_TIME,
2211 .off1 = td_var_offset(start_delay),
2212 .off2 = td_var_offset(start_delay_high),
2213 .help = "Only start job when this period has passed",
2214 .def = "0",
2215 .is_seconds = 1,
2216 .is_time = 1,
2217 .category = FIO_OPT_C_GENERAL,
2218 .group = FIO_OPT_G_RUNTIME,
2219 },
2220 {
2221 .name = "runtime",
2222 .lname = "Runtime",
2223 .alias = "timeout",
2224 .type = FIO_OPT_STR_VAL_TIME,
2225 .off1 = td_var_offset(timeout),
2226 .help = "Stop workload when this amount of time has passed",
2227 .def = "0",
2228 .is_seconds = 1,
2229 .is_time = 1,
2230 .category = FIO_OPT_C_GENERAL,
2231 .group = FIO_OPT_G_RUNTIME,
2232 },
2233 {
2234 .name = "time_based",
2235 .lname = "Time based",
2236 .type = FIO_OPT_STR_SET,
2237 .off1 = td_var_offset(time_based),
2238 .help = "Keep running until runtime/timeout is met",
2239 .category = FIO_OPT_C_GENERAL,
2240 .group = FIO_OPT_G_RUNTIME,
2241 },
2242 {
2243 .name = "verify_only",
2244 .lname = "Verify only",
2245 .type = FIO_OPT_STR_SET,
2246 .off1 = td_var_offset(verify_only),
2247 .help = "Verifies previously written data is still valid",
2248 .category = FIO_OPT_C_GENERAL,
2249 .group = FIO_OPT_G_RUNTIME,
2250 },
2251 {
2252 .name = "ramp_time",
2253 .lname = "Ramp time",
2254 .type = FIO_OPT_STR_VAL_TIME,
2255 .off1 = td_var_offset(ramp_time),
2256 .help = "Ramp up time before measuring performance",
2257 .is_seconds = 1,
2258 .is_time = 1,
2259 .category = FIO_OPT_C_GENERAL,
2260 .group = FIO_OPT_G_RUNTIME,
2261 },
2262 {
2263 .name = "clocksource",
2264 .lname = "Clock source",
2265 .type = FIO_OPT_STR,
2266 .cb = fio_clock_source_cb,
2267 .off1 = td_var_offset(clocksource),
2268 .help = "What type of timing source to use",
2269 .category = FIO_OPT_C_GENERAL,
2270 .group = FIO_OPT_G_CLOCK,
2271 .posval = {
2272#ifdef CONFIG_GETTIMEOFDAY
2273 { .ival = "gettimeofday",
2274 .oval = CS_GTOD,
2275 .help = "Use gettimeofday(2) for timing",
2276 },
2277#endif
2278#ifdef CONFIG_CLOCK_GETTIME
2279 { .ival = "clock_gettime",
2280 .oval = CS_CGETTIME,
2281 .help = "Use clock_gettime(2) for timing",
2282 },
2283#endif
2284#ifdef ARCH_HAVE_CPU_CLOCK
2285 { .ival = "cpu",
2286 .oval = CS_CPUCLOCK,
2287 .help = "Use CPU private clock",
2288 },
2289#endif
2290 },
2291 },
2292 {
2293 .name = "mem",
2294 .alias = "iomem",
2295 .lname = "I/O Memory",
2296 .type = FIO_OPT_STR,
2297 .cb = str_mem_cb,
2298 .off1 = td_var_offset(mem_type),
2299 .help = "Backing type for IO buffers",
2300 .def = "malloc",
2301 .category = FIO_OPT_C_IO,
2302 .group = FIO_OPT_G_INVALID,
2303 .posval = {
2304 { .ival = "malloc",
2305 .oval = MEM_MALLOC,
2306 .help = "Use malloc(3) for IO buffers",
2307 },
2308#ifndef CONFIG_NO_SHM
2309 { .ival = "shm",
2310 .oval = MEM_SHM,
2311 .help = "Use shared memory segments for IO buffers",
2312 },
2313#ifdef FIO_HAVE_HUGETLB
2314 { .ival = "shmhuge",
2315 .oval = MEM_SHMHUGE,
2316 .help = "Like shm, but use huge pages",
2317 },
2318#endif
2319#endif
2320 { .ival = "mmap",
2321 .oval = MEM_MMAP,
2322 .help = "Use mmap(2) (file or anon) for IO buffers",
2323 },
2324 { .ival = "mmapshared",
2325 .oval = MEM_MMAPSHARED,
2326 .help = "Like mmap, but use the shared flag",
2327 },
2328#ifdef FIO_HAVE_HUGETLB
2329 { .ival = "mmaphuge",
2330 .oval = MEM_MMAPHUGE,
2331 .help = "Like mmap, but use huge pages",
2332 },
2333#endif
2334 },
2335 },
2336 {
2337 .name = "iomem_align",
2338 .alias = "mem_align",
2339 .lname = "I/O memory alignment",
2340 .type = FIO_OPT_INT,
2341 .off1 = td_var_offset(mem_align),
2342 .minval = 0,
2343 .help = "IO memory buffer offset alignment",
2344 .def = "0",
2345 .parent = "iomem",
2346 .hide = 1,
2347 .category = FIO_OPT_C_IO,
2348 .group = FIO_OPT_G_INVALID,
2349 },
2350 {
2351 .name = "verify",
2352 .lname = "Verify",
2353 .type = FIO_OPT_STR,
2354 .off1 = td_var_offset(verify),
2355 .help = "Verify data written",
2356 .def = "0",
2357 .category = FIO_OPT_C_IO,
2358 .group = FIO_OPT_G_VERIFY,
2359 .posval = {
2360 { .ival = "0",
2361 .oval = VERIFY_NONE,
2362 .help = "Don't do IO verification",
2363 },
2364 { .ival = "md5",
2365 .oval = VERIFY_MD5,
2366 .help = "Use md5 checksums for verification",
2367 },
2368 { .ival = "crc64",
2369 .oval = VERIFY_CRC64,
2370 .help = "Use crc64 checksums for verification",
2371 },
2372 { .ival = "crc32",
2373 .oval = VERIFY_CRC32,
2374 .help = "Use crc32 checksums for verification",
2375 },
2376 { .ival = "crc32c-intel",
2377 .oval = VERIFY_CRC32C,
2378 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2379 },
2380 { .ival = "crc32c",
2381 .oval = VERIFY_CRC32C,
2382 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2383 },
2384 { .ival = "crc16",
2385 .oval = VERIFY_CRC16,
2386 .help = "Use crc16 checksums for verification",
2387 },
2388 { .ival = "crc7",
2389 .oval = VERIFY_CRC7,
2390 .help = "Use crc7 checksums for verification",
2391 },
2392 { .ival = "sha1",
2393 .oval = VERIFY_SHA1,
2394 .help = "Use sha1 checksums for verification",
2395 },
2396 { .ival = "sha256",
2397 .oval = VERIFY_SHA256,
2398 .help = "Use sha256 checksums for verification",
2399 },
2400 { .ival = "sha512",
2401 .oval = VERIFY_SHA512,
2402 .help = "Use sha512 checksums for verification",
2403 },
2404 { .ival = "xxhash",
2405 .oval = VERIFY_XXHASH,
2406 .help = "Use xxhash checksums for verification",
2407 },
2408 /* Meta information was included into verify_header,
2409 * 'meta' verification is implied by default. */
2410 { .ival = "meta",
2411 .oval = VERIFY_HDR_ONLY,
2412 .help = "Use io information for verification. "
2413 "Now is implied by default, thus option is obsolete, "
2414 "don't use it",
2415 },
2416 { .ival = "pattern",
2417 .oval = VERIFY_PATTERN_NO_HDR,
2418 .help = "Verify strict pattern",
2419 },
2420 {
2421 .ival = "null",
2422 .oval = VERIFY_NULL,
2423 .help = "Pretend to verify",
2424 },
2425 },
2426 },
2427 {
2428 .name = "do_verify",
2429 .lname = "Perform verify step",
2430 .type = FIO_OPT_BOOL,
2431 .off1 = td_var_offset(do_verify),
2432 .help = "Run verification stage after write",
2433 .def = "1",
2434 .parent = "verify",
2435 .hide = 1,
2436 .category = FIO_OPT_C_IO,
2437 .group = FIO_OPT_G_VERIFY,
2438 },
2439 {
2440 .name = "verifysort",
2441 .lname = "Verify sort",
2442 .type = FIO_OPT_BOOL,
2443 .off1 = td_var_offset(verifysort),
2444 .help = "Sort written verify blocks for read back",
2445 .def = "1",
2446 .parent = "verify",
2447 .hide = 1,
2448 .category = FIO_OPT_C_IO,
2449 .group = FIO_OPT_G_VERIFY,
2450 },
2451 {
2452 .name = "verifysort_nr",
2453 .type = FIO_OPT_INT,
2454 .off1 = td_var_offset(verifysort_nr),
2455 .help = "Pre-load and sort verify blocks for a read workload",
2456 .minval = 0,
2457 .maxval = 131072,
2458 .def = "1024",
2459 .parent = "verify",
2460 .category = FIO_OPT_C_IO,
2461 .group = FIO_OPT_G_VERIFY,
2462 },
2463 {
2464 .name = "verify_interval",
2465 .lname = "Verify interval",
2466 .type = FIO_OPT_INT,
2467 .off1 = td_var_offset(verify_interval),
2468 .minval = 2 * sizeof(struct verify_header),
2469 .help = "Store verify buffer header every N bytes",
2470 .parent = "verify",
2471 .hide = 1,
2472 .interval = 2 * sizeof(struct verify_header),
2473 .category = FIO_OPT_C_IO,
2474 .group = FIO_OPT_G_VERIFY,
2475 },
2476 {
2477 .name = "verify_offset",
2478 .lname = "Verify offset",
2479 .type = FIO_OPT_INT,
2480 .help = "Offset verify header location by N bytes",
2481 .off1 = td_var_offset(verify_offset),
2482 .minval = sizeof(struct verify_header),
2483 .parent = "verify",
2484 .hide = 1,
2485 .category = FIO_OPT_C_IO,
2486 .group = FIO_OPT_G_VERIFY,
2487 },
2488 {
2489 .name = "verify_pattern",
2490 .lname = "Verify pattern",
2491 .type = FIO_OPT_STR,
2492 .cb = str_verify_pattern_cb,
2493 .off1 = td_var_offset(verify_pattern),
2494 .help = "Fill pattern for IO buffers",
2495 .parent = "verify",
2496 .hide = 1,
2497 .category = FIO_OPT_C_IO,
2498 .group = FIO_OPT_G_VERIFY,
2499 },
2500 {
2501 .name = "verify_fatal",
2502 .lname = "Verify fatal",
2503 .type = FIO_OPT_BOOL,
2504 .off1 = td_var_offset(verify_fatal),
2505 .def = "0",
2506 .help = "Exit on a single verify failure, don't continue",
2507 .parent = "verify",
2508 .hide = 1,
2509 .category = FIO_OPT_C_IO,
2510 .group = FIO_OPT_G_VERIFY,
2511 },
2512 {
2513 .name = "verify_dump",
2514 .lname = "Verify dump",
2515 .type = FIO_OPT_BOOL,
2516 .off1 = td_var_offset(verify_dump),
2517 .def = "0",
2518 .help = "Dump contents of good and bad blocks on failure",
2519 .parent = "verify",
2520 .hide = 1,
2521 .category = FIO_OPT_C_IO,
2522 .group = FIO_OPT_G_VERIFY,
2523 },
2524 {
2525 .name = "verify_async",
2526 .lname = "Verify asynchronously",
2527 .type = FIO_OPT_INT,
2528 .off1 = td_var_offset(verify_async),
2529 .def = "0",
2530 .help = "Number of async verifier threads to use",
2531 .parent = "verify",
2532 .hide = 1,
2533 .category = FIO_OPT_C_IO,
2534 .group = FIO_OPT_G_VERIFY,
2535 },
2536 {
2537 .name = "verify_backlog",
2538 .lname = "Verify backlog",
2539 .type = FIO_OPT_STR_VAL,
2540 .off1 = td_var_offset(verify_backlog),
2541 .help = "Verify after this number of blocks are written",
2542 .parent = "verify",
2543 .hide = 1,
2544 .category = FIO_OPT_C_IO,
2545 .group = FIO_OPT_G_VERIFY,
2546 },
2547 {
2548 .name = "verify_backlog_batch",
2549 .lname = "Verify backlog batch",
2550 .type = FIO_OPT_INT,
2551 .off1 = td_var_offset(verify_batch),
2552 .help = "Verify this number of IO blocks",
2553 .parent = "verify",
2554 .hide = 1,
2555 .category = FIO_OPT_C_IO,
2556 .group = FIO_OPT_G_VERIFY,
2557 },
2558#ifdef FIO_HAVE_CPU_AFFINITY
2559 {
2560 .name = "verify_async_cpus",
2561 .lname = "Async verify CPUs",
2562 .type = FIO_OPT_STR,
2563 .cb = str_verify_cpus_allowed_cb,
2564 .off1 = td_var_offset(verify_cpumask),
2565 .help = "Set CPUs allowed for async verify threads",
2566 .parent = "verify_async",
2567 .hide = 1,
2568 .category = FIO_OPT_C_IO,
2569 .group = FIO_OPT_G_VERIFY,
2570 },
2571#endif
2572 {
2573 .name = "experimental_verify",
2574 .off1 = td_var_offset(experimental_verify),
2575 .type = FIO_OPT_BOOL,
2576 .help = "Enable experimental verification",
2577 .parent = "verify",
2578 .category = FIO_OPT_C_IO,
2579 .group = FIO_OPT_G_VERIFY,
2580 },
2581 {
2582 .name = "verify_state_load",
2583 .lname = "Load verify state",
2584 .off1 = td_var_offset(verify_state),
2585 .type = FIO_OPT_BOOL,
2586 .help = "Load verify termination state",
2587 .parent = "verify",
2588 .category = FIO_OPT_C_IO,
2589 .group = FIO_OPT_G_VERIFY,
2590 },
2591 {
2592 .name = "verify_state_save",
2593 .lname = "Save verify state",
2594 .off1 = td_var_offset(verify_state_save),
2595 .type = FIO_OPT_BOOL,
2596 .def = "1",
2597 .help = "Save verify state on termination",
2598 .parent = "verify",
2599 .category = FIO_OPT_C_IO,
2600 .group = FIO_OPT_G_VERIFY,
2601 },
2602#ifdef FIO_HAVE_TRIM
2603 {
2604 .name = "trim_percentage",
2605 .lname = "Trim percentage",
2606 .type = FIO_OPT_INT,
2607 .off1 = td_var_offset(trim_percentage),
2608 .minval = 0,
2609 .maxval = 100,
2610 .help = "Number of verify blocks to discard/trim",
2611 .parent = "verify",
2612 .def = "0",
2613 .interval = 1,
2614 .hide = 1,
2615 .category = FIO_OPT_C_IO,
2616 .group = FIO_OPT_G_TRIM,
2617 },
2618 {
2619 .name = "trim_verify_zero",
2620 .lname = "Verify trim zero",
2621 .type = FIO_OPT_BOOL,
2622 .help = "Verify that trim/discarded blocks are returned as zeroes",
2623 .off1 = td_var_offset(trim_zero),
2624 .parent = "trim_percentage",
2625 .hide = 1,
2626 .def = "1",
2627 .category = FIO_OPT_C_IO,
2628 .group = FIO_OPT_G_TRIM,
2629 },
2630 {
2631 .name = "trim_backlog",
2632 .lname = "Trim backlog",
2633 .type = FIO_OPT_STR_VAL,
2634 .off1 = td_var_offset(trim_backlog),
2635 .help = "Trim after this number of blocks are written",
2636 .parent = "trim_percentage",
2637 .hide = 1,
2638 .interval = 1,
2639 .category = FIO_OPT_C_IO,
2640 .group = FIO_OPT_G_TRIM,
2641 },
2642 {
2643 .name = "trim_backlog_batch",
2644 .lname = "Trim backlog batch",
2645 .type = FIO_OPT_INT,
2646 .off1 = td_var_offset(trim_batch),
2647 .help = "Trim this number of IO blocks",
2648 .parent = "trim_percentage",
2649 .hide = 1,
2650 .interval = 1,
2651 .category = FIO_OPT_C_IO,
2652 .group = FIO_OPT_G_TRIM,
2653 },
2654#endif
2655 {
2656 .name = "write_iolog",
2657 .lname = "Write I/O log",
2658 .type = FIO_OPT_STR_STORE,
2659 .off1 = td_var_offset(write_iolog_file),
2660 .help = "Store IO pattern to file",
2661 .category = FIO_OPT_C_IO,
2662 .group = FIO_OPT_G_IOLOG,
2663 },
2664 {
2665 .name = "read_iolog",
2666 .lname = "Read I/O log",
2667 .type = FIO_OPT_STR_STORE,
2668 .off1 = td_var_offset(read_iolog_file),
2669 .help = "Playback IO pattern from file",
2670 .category = FIO_OPT_C_IO,
2671 .group = FIO_OPT_G_IOLOG,
2672 },
2673 {
2674 .name = "replay_no_stall",
2675 .lname = "Don't stall on replay",
2676 .type = FIO_OPT_BOOL,
2677 .off1 = td_var_offset(no_stall),
2678 .def = "0",
2679 .parent = "read_iolog",
2680 .hide = 1,
2681 .help = "Playback IO pattern file as fast as possible without stalls",
2682 .category = FIO_OPT_C_IO,
2683 .group = FIO_OPT_G_IOLOG,
2684 },
2685 {
2686 .name = "replay_redirect",
2687 .lname = "Redirect device for replay",
2688 .type = FIO_OPT_STR_STORE,
2689 .off1 = td_var_offset(replay_redirect),
2690 .parent = "read_iolog",
2691 .hide = 1,
2692 .help = "Replay all I/O onto this device, regardless of trace device",
2693 .category = FIO_OPT_C_IO,
2694 .group = FIO_OPT_G_IOLOG,
2695 },
2696 {
2697 .name = "replay_scale",
2698 .lname = "Replace offset scale factor",
2699 .type = FIO_OPT_INT,
2700 .off1 = td_var_offset(replay_scale),
2701 .parent = "read_iolog",
2702 .def = "1",
2703 .help = "Align offsets to this blocksize",
2704 .category = FIO_OPT_C_IO,
2705 .group = FIO_OPT_G_IOLOG,
2706 },
2707 {
2708 .name = "replay_align",
2709 .lname = "Replace alignment",
2710 .type = FIO_OPT_INT,
2711 .off1 = td_var_offset(replay_align),
2712 .parent = "read_iolog",
2713 .help = "Scale offset down by this factor",
2714 .category = FIO_OPT_C_IO,
2715 .group = FIO_OPT_G_IOLOG,
2716 .pow2 = 1,
2717 },
2718 {
2719 .name = "exec_prerun",
2720 .lname = "Pre-execute runnable",
2721 .type = FIO_OPT_STR_STORE,
2722 .off1 = td_var_offset(exec_prerun),
2723 .help = "Execute this file prior to running job",
2724 .category = FIO_OPT_C_GENERAL,
2725 .group = FIO_OPT_G_INVALID,
2726 },
2727 {
2728 .name = "exec_postrun",
2729 .lname = "Post-execute runnable",
2730 .type = FIO_OPT_STR_STORE,
2731 .off1 = td_var_offset(exec_postrun),
2732 .help = "Execute this file after running job",
2733 .category = FIO_OPT_C_GENERAL,
2734 .group = FIO_OPT_G_INVALID,
2735 },
2736#ifdef FIO_HAVE_IOSCHED_SWITCH
2737 {
2738 .name = "ioscheduler",
2739 .lname = "I/O scheduler",
2740 .type = FIO_OPT_STR_STORE,
2741 .off1 = td_var_offset(ioscheduler),
2742 .help = "Use this IO scheduler on the backing device",
2743 .category = FIO_OPT_C_FILE,
2744 .group = FIO_OPT_G_INVALID,
2745 },
2746#endif
2747 {
2748 .name = "zonesize",
2749 .lname = "Zone size",
2750 .type = FIO_OPT_STR_VAL,
2751 .off1 = td_var_offset(zone_size),
2752 .help = "Amount of data to read per zone",
2753 .def = "0",
2754 .interval = 1024 * 1024,
2755 .category = FIO_OPT_C_IO,
2756 .group = FIO_OPT_G_ZONE,
2757 },
2758 {
2759 .name = "zonerange",
2760 .lname = "Zone range",
2761 .type = FIO_OPT_STR_VAL,
2762 .off1 = td_var_offset(zone_range),
2763 .help = "Give size of an IO zone",
2764 .def = "0",
2765 .interval = 1024 * 1024,
2766 .category = FIO_OPT_C_IO,
2767 .group = FIO_OPT_G_ZONE,
2768 },
2769 {
2770 .name = "zoneskip",
2771 .lname = "Zone skip",
2772 .type = FIO_OPT_STR_VAL,
2773 .off1 = td_var_offset(zone_skip),
2774 .help = "Space between IO zones",
2775 .def = "0",
2776 .interval = 1024 * 1024,
2777 .category = FIO_OPT_C_IO,
2778 .group = FIO_OPT_G_ZONE,
2779 },
2780 {
2781 .name = "lockmem",
2782 .lname = "Lock memory",
2783 .type = FIO_OPT_STR_VAL,
2784 .off1 = td_var_offset(lockmem),
2785 .help = "Lock down this amount of memory (per worker)",
2786 .def = "0",
2787 .interval = 1024 * 1024,
2788 .category = FIO_OPT_C_GENERAL,
2789 .group = FIO_OPT_G_INVALID,
2790 },
2791 {
2792 .name = "rwmixread",
2793 .lname = "Read/write mix read",
2794 .type = FIO_OPT_INT,
2795 .cb = str_rwmix_read_cb,
2796 .off1 = td_var_offset(rwmix[DDIR_READ]),
2797 .maxval = 100,
2798 .help = "Percentage of mixed workload that is reads",
2799 .def = "50",
2800 .interval = 5,
2801 .inverse = "rwmixwrite",
2802 .category = FIO_OPT_C_IO,
2803 .group = FIO_OPT_G_RWMIX,
2804 },
2805 {
2806 .name = "rwmixwrite",
2807 .lname = "Read/write mix write",
2808 .type = FIO_OPT_INT,
2809 .cb = str_rwmix_write_cb,
2810 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
2811 .maxval = 100,
2812 .help = "Percentage of mixed workload that is writes",
2813 .def = "50",
2814 .interval = 5,
2815 .inverse = "rwmixread",
2816 .category = FIO_OPT_C_IO,
2817 .group = FIO_OPT_G_RWMIX,
2818 },
2819 {
2820 .name = "rwmixcycle",
2821 .lname = "Read/write mix cycle",
2822 .type = FIO_OPT_DEPRECATED,
2823 .category = FIO_OPT_C_IO,
2824 .group = FIO_OPT_G_RWMIX,
2825 },
2826 {
2827 .name = "nice",
2828 .lname = "Nice",
2829 .type = FIO_OPT_INT,
2830 .off1 = td_var_offset(nice),
2831 .help = "Set job CPU nice value",
2832 .minval = -19,
2833 .maxval = 20,
2834 .def = "0",
2835 .interval = 1,
2836 .category = FIO_OPT_C_GENERAL,
2837 .group = FIO_OPT_G_CRED,
2838 },
2839#ifdef FIO_HAVE_IOPRIO
2840 {
2841 .name = "prio",
2842 .lname = "I/O nice priority",
2843 .type = FIO_OPT_INT,
2844 .off1 = td_var_offset(ioprio),
2845 .help = "Set job IO priority value",
2846 .minval = 0,
2847 .maxval = 7,
2848 .interval = 1,
2849 .category = FIO_OPT_C_GENERAL,
2850 .group = FIO_OPT_G_CRED,
2851 },
2852 {
2853 .name = "prioclass",
2854 .lname = "I/O nice priority class",
2855 .type = FIO_OPT_INT,
2856 .off1 = td_var_offset(ioprio_class),
2857 .help = "Set job IO priority class",
2858 .minval = 0,
2859 .maxval = 3,
2860 .interval = 1,
2861 .category = FIO_OPT_C_GENERAL,
2862 .group = FIO_OPT_G_CRED,
2863 },
2864#endif
2865 {
2866 .name = "thinktime",
2867 .lname = "Thinktime",
2868 .type = FIO_OPT_INT,
2869 .off1 = td_var_offset(thinktime),
2870 .help = "Idle time between IO buffers (usec)",
2871 .def = "0",
2872 .is_time = 1,
2873 .category = FIO_OPT_C_IO,
2874 .group = FIO_OPT_G_THINKTIME,
2875 },
2876 {
2877 .name = "thinktime_spin",
2878 .lname = "Thinktime spin",
2879 .type = FIO_OPT_INT,
2880 .off1 = td_var_offset(thinktime_spin),
2881 .help = "Start think time by spinning this amount (usec)",
2882 .def = "0",
2883 .is_time = 1,
2884 .parent = "thinktime",
2885 .hide = 1,
2886 .category = FIO_OPT_C_IO,
2887 .group = FIO_OPT_G_THINKTIME,
2888 },
2889 {
2890 .name = "thinktime_blocks",
2891 .lname = "Thinktime blocks",
2892 .type = FIO_OPT_INT,
2893 .off1 = td_var_offset(thinktime_blocks),
2894 .help = "IO buffer period between 'thinktime'",
2895 .def = "1",
2896 .parent = "thinktime",
2897 .hide = 1,
2898 .category = FIO_OPT_C_IO,
2899 .group = FIO_OPT_G_THINKTIME,
2900 },
2901 {
2902 .name = "rate",
2903 .lname = "I/O rate",
2904 .type = FIO_OPT_INT,
2905 .off1 = td_var_offset(rate[DDIR_READ]),
2906 .off2 = td_var_offset(rate[DDIR_WRITE]),
2907 .off3 = td_var_offset(rate[DDIR_TRIM]),
2908 .help = "Set bandwidth rate",
2909 .category = FIO_OPT_C_IO,
2910 .group = FIO_OPT_G_RATE,
2911 },
2912 {
2913 .name = "rate_min",
2914 .alias = "ratemin",
2915 .lname = "I/O min rate",
2916 .type = FIO_OPT_INT,
2917 .off1 = td_var_offset(ratemin[DDIR_READ]),
2918 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2919 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
2920 .help = "Job must meet this rate or it will be shutdown",
2921 .parent = "rate",
2922 .hide = 1,
2923 .category = FIO_OPT_C_IO,
2924 .group = FIO_OPT_G_RATE,
2925 },
2926 {
2927 .name = "rate_iops",
2928 .lname = "I/O rate IOPS",
2929 .type = FIO_OPT_INT,
2930 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2931 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2932 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
2933 .help = "Limit IO used to this number of IO operations/sec",
2934 .hide = 1,
2935 .category = FIO_OPT_C_IO,
2936 .group = FIO_OPT_G_RATE,
2937 },
2938 {
2939 .name = "rate_iops_min",
2940 .lname = "I/O min rate IOPS",
2941 .type = FIO_OPT_INT,
2942 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2943 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2944 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
2945 .help = "Job must meet this rate or it will be shut down",
2946 .parent = "rate_iops",
2947 .hide = 1,
2948 .category = FIO_OPT_C_IO,
2949 .group = FIO_OPT_G_RATE,
2950 },
2951 {
2952 .name = "rate_process",
2953 .lname = "Rate Process",
2954 .type = FIO_OPT_STR,
2955 .off1 = td_var_offset(rate_process),
2956 .help = "What process controls how rated IO is managed",
2957 .def = "linear",
2958 .category = FIO_OPT_C_IO,
2959 .group = FIO_OPT_G_RATE,
2960 .posval = {
2961 { .ival = "linear",
2962 .oval = RATE_PROCESS_LINEAR,
2963 .help = "Linear rate of IO",
2964 },
2965 {
2966 .ival = "poisson",
2967 .oval = RATE_PROCESS_POISSON,
2968 .help = "Rate follows Poisson process",
2969 },
2970 },
2971 .parent = "rate",
2972 },
2973 {
2974 .name = "rate_cycle",
2975 .alias = "ratecycle",
2976 .lname = "I/O rate cycle",
2977 .type = FIO_OPT_INT,
2978 .off1 = td_var_offset(ratecycle),
2979 .help = "Window average for rate limits (msec)",
2980 .def = "1000",
2981 .parent = "rate",
2982 .hide = 1,
2983 .category = FIO_OPT_C_IO,
2984 .group = FIO_OPT_G_RATE,
2985 },
2986 {
2987 .name = "max_latency",
2988 .type = FIO_OPT_INT,
2989 .off1 = td_var_offset(max_latency),
2990 .help = "Maximum tolerated IO latency (usec)",
2991 .is_time = 1,
2992 .category = FIO_OPT_C_IO,
2993 .group = FIO_OPT_G_LATPROF,
2994 },
2995 {
2996 .name = "latency_target",
2997 .lname = "Latency Target (usec)",
2998 .type = FIO_OPT_STR_VAL_TIME,
2999 .off1 = td_var_offset(latency_target),
3000 .help = "Ramp to max queue depth supporting this latency",
3001 .is_time = 1,
3002 .category = FIO_OPT_C_IO,
3003 .group = FIO_OPT_G_LATPROF,
3004 },
3005 {
3006 .name = "latency_window",
3007 .lname = "Latency Window (usec)",
3008 .type = FIO_OPT_STR_VAL_TIME,
3009 .off1 = td_var_offset(latency_window),
3010 .help = "Time to sustain latency_target",
3011 .is_time = 1,
3012 .category = FIO_OPT_C_IO,
3013 .group = FIO_OPT_G_LATPROF,
3014 },
3015 {
3016 .name = "latency_percentile",
3017 .lname = "Latency Percentile",
3018 .type = FIO_OPT_FLOAT_LIST,
3019 .off1 = td_var_offset(latency_percentile),
3020 .help = "Percentile of IOs must be below latency_target",
3021 .def = "100",
3022 .maxlen = 1,
3023 .minfp = 0.0,
3024 .maxfp = 100.0,
3025 .category = FIO_OPT_C_IO,
3026 .group = FIO_OPT_G_LATPROF,
3027 },
3028 {
3029 .name = "invalidate",
3030 .lname = "Cache invalidate",
3031 .type = FIO_OPT_BOOL,
3032 .off1 = td_var_offset(invalidate_cache),
3033 .help = "Invalidate buffer/page cache prior to running job",
3034 .def = "1",
3035 .category = FIO_OPT_C_IO,
3036 .group = FIO_OPT_G_IO_TYPE,
3037 },
3038 {
3039 .name = "sync",
3040 .lname = "Synchronous I/O",
3041 .type = FIO_OPT_BOOL,
3042 .off1 = td_var_offset(sync_io),
3043 .help = "Use O_SYNC for buffered writes",
3044 .def = "0",
3045 .parent = "buffered",
3046 .hide = 1,
3047 .category = FIO_OPT_C_IO,
3048 .group = FIO_OPT_G_IO_TYPE,
3049 },
3050 {
3051 .name = "create_serialize",
3052 .lname = "Create serialize",
3053 .type = FIO_OPT_BOOL,
3054 .off1 = td_var_offset(create_serialize),
3055 .help = "Serialize creating of job files",
3056 .def = "1",
3057 .category = FIO_OPT_C_FILE,
3058 .group = FIO_OPT_G_INVALID,
3059 },
3060 {
3061 .name = "create_fsync",
3062 .lname = "Create fsync",
3063 .type = FIO_OPT_BOOL,
3064 .off1 = td_var_offset(create_fsync),
3065 .help = "fsync file after creation",
3066 .def = "1",
3067 .category = FIO_OPT_C_FILE,
3068 .group = FIO_OPT_G_INVALID,
3069 },
3070 {
3071 .name = "create_on_open",
3072 .lname = "Create on open",
3073 .type = FIO_OPT_BOOL,
3074 .off1 = td_var_offset(create_on_open),
3075 .help = "Create files when they are opened for IO",
3076 .def = "0",
3077 .category = FIO_OPT_C_FILE,
3078 .group = FIO_OPT_G_INVALID,
3079 },
3080 {
3081 .name = "create_only",
3082 .type = FIO_OPT_BOOL,
3083 .off1 = td_var_offset(create_only),
3084 .help = "Only perform file creation phase",
3085 .category = FIO_OPT_C_FILE,
3086 .def = "0",
3087 },
3088 {
3089 .name = "allow_file_create",
3090 .lname = "Allow file create",
3091 .type = FIO_OPT_BOOL,
3092 .off1 = td_var_offset(allow_create),
3093 .help = "Permit fio to create files, if they don't exist",
3094 .def = "1",
3095 .category = FIO_OPT_C_FILE,
3096 .group = FIO_OPT_G_FILENAME,
3097 },
3098 {
3099 .name = "allow_mounted_write",
3100 .lname = "Allow mounted write",
3101 .type = FIO_OPT_BOOL,
3102 .off1 = td_var_offset(allow_mounted_write),
3103 .help = "Allow writes to a mounted partition",
3104 .def = "0",
3105 .category = FIO_OPT_C_FILE,
3106 .group = FIO_OPT_G_FILENAME,
3107 },
3108 {
3109 .name = "pre_read",
3110 .lname = "Pre-read files",
3111 .type = FIO_OPT_BOOL,
3112 .off1 = td_var_offset(pre_read),
3113 .help = "Pre-read files before starting official testing",
3114 .def = "0",
3115 .category = FIO_OPT_C_FILE,
3116 .group = FIO_OPT_G_INVALID,
3117 },
3118#ifdef FIO_HAVE_CPU_AFFINITY
3119 {
3120 .name = "cpumask",
3121 .lname = "CPU mask",
3122 .type = FIO_OPT_INT,
3123 .cb = str_cpumask_cb,
3124 .off1 = td_var_offset(cpumask),
3125 .help = "CPU affinity mask",
3126 .category = FIO_OPT_C_GENERAL,
3127 .group = FIO_OPT_G_CRED,
3128 },
3129 {
3130 .name = "cpus_allowed",
3131 .lname = "CPUs allowed",
3132 .type = FIO_OPT_STR,
3133 .cb = str_cpus_allowed_cb,
3134 .off1 = td_var_offset(cpumask),
3135 .help = "Set CPUs allowed",
3136 .category = FIO_OPT_C_GENERAL,
3137 .group = FIO_OPT_G_CRED,
3138 },
3139 {
3140 .name = "cpus_allowed_policy",
3141 .lname = "CPUs allowed distribution policy",
3142 .type = FIO_OPT_STR,
3143 .off1 = td_var_offset(cpus_allowed_policy),
3144 .help = "Distribution policy for cpus_allowed",
3145 .parent = "cpus_allowed",
3146 .prio = 1,
3147 .posval = {
3148 { .ival = "shared",
3149 .oval = FIO_CPUS_SHARED,
3150 .help = "Mask shared between threads",
3151 },
3152 { .ival = "split",
3153 .oval = FIO_CPUS_SPLIT,
3154 .help = "Mask split between threads",
3155 },
3156 },
3157 .category = FIO_OPT_C_GENERAL,
3158 .group = FIO_OPT_G_CRED,
3159 },
3160#endif
3161#ifdef CONFIG_LIBNUMA
3162 {
3163 .name = "numa_cpu_nodes",
3164 .type = FIO_OPT_STR,
3165 .cb = str_numa_cpunodes_cb,
3166 .off1 = td_var_offset(numa_cpunodes),
3167 .help = "NUMA CPU nodes bind",
3168 .category = FIO_OPT_C_GENERAL,
3169 .group = FIO_OPT_G_INVALID,
3170 },
3171 {
3172 .name = "numa_mem_policy",
3173 .type = FIO_OPT_STR,
3174 .cb = str_numa_mpol_cb,
3175 .off1 = td_var_offset(numa_memnodes),
3176 .help = "NUMA memory policy setup",
3177 .category = FIO_OPT_C_GENERAL,
3178 .group = FIO_OPT_G_INVALID,
3179 },
3180#endif
3181 {
3182 .name = "end_fsync",
3183 .lname = "End fsync",
3184 .type = FIO_OPT_BOOL,
3185 .off1 = td_var_offset(end_fsync),
3186 .help = "Include fsync at the end of job",
3187 .def = "0",
3188 .category = FIO_OPT_C_FILE,
3189 .group = FIO_OPT_G_INVALID,
3190 },
3191 {
3192 .name = "fsync_on_close",
3193 .lname = "Fsync on close",
3194 .type = FIO_OPT_BOOL,
3195 .off1 = td_var_offset(fsync_on_close),
3196 .help = "fsync files on close",
3197 .def = "0",
3198 .category = FIO_OPT_C_FILE,
3199 .group = FIO_OPT_G_INVALID,
3200 },
3201 {
3202 .name = "unlink",
3203 .lname = "Unlink file",
3204 .type = FIO_OPT_BOOL,
3205 .off1 = td_var_offset(unlink),
3206 .help = "Unlink created files after job has completed",
3207 .def = "0",
3208 .category = FIO_OPT_C_FILE,
3209 .group = FIO_OPT_G_INVALID,
3210 },
3211 {
3212 .name = "exitall",
3213 .lname = "Exit-all on terminate",
3214 .type = FIO_OPT_STR_SET,
3215 .cb = str_exitall_cb,
3216 .help = "Terminate all jobs when one exits",
3217 .category = FIO_OPT_C_GENERAL,
3218 .group = FIO_OPT_G_PROCESS,
3219 },
3220 {
3221 .name = "exitall_on_error",
3222 .lname = "Exit-all on terminate in error",
3223 .type = FIO_OPT_BOOL,
3224 .off1 = td_var_offset(unlink),
3225 .help = "Terminate all jobs when one exits in error",
3226 .category = FIO_OPT_C_GENERAL,
3227 .group = FIO_OPT_G_PROCESS,
3228 },
3229 {
3230 .name = "stonewall",
3231 .lname = "Wait for previous",
3232 .alias = "wait_for_previous",
3233 .type = FIO_OPT_STR_SET,
3234 .off1 = td_var_offset(stonewall),
3235 .help = "Insert a hard barrier between this job and previous",
3236 .category = FIO_OPT_C_GENERAL,
3237 .group = FIO_OPT_G_PROCESS,
3238 },
3239 {
3240 .name = "new_group",
3241 .lname = "New group",
3242 .type = FIO_OPT_STR_SET,
3243 .off1 = td_var_offset(new_group),
3244 .help = "Mark the start of a new group (for reporting)",
3245 .category = FIO_OPT_C_GENERAL,
3246 .group = FIO_OPT_G_PROCESS,
3247 },
3248 {
3249 .name = "thread",
3250 .lname = "Thread",
3251 .type = FIO_OPT_STR_SET,
3252 .off1 = td_var_offset(use_thread),
3253 .help = "Use threads instead of processes",
3254#ifdef CONFIG_NO_SHM
3255 .def = "1",
3256 .no_warn_def = 1,
3257#endif
3258 .category = FIO_OPT_C_GENERAL,
3259 .group = FIO_OPT_G_PROCESS,
3260 },
3261 {
3262 .name = "per_job_logs",
3263 .type = FIO_OPT_BOOL,
3264 .off1 = td_var_offset(per_job_logs),
3265 .help = "Include job number in generated log files or not",
3266 .def = "1",
3267 .category = FIO_OPT_C_LOG,
3268 .group = FIO_OPT_G_INVALID,
3269 },
3270 {
3271 .name = "write_bw_log",
3272 .lname = "Write bandwidth log",
3273 .type = FIO_OPT_STR_STORE,
3274 .off1 = td_var_offset(bw_log_file),
3275 .help = "Write log of bandwidth during run",
3276 .category = FIO_OPT_C_LOG,
3277 .group = FIO_OPT_G_INVALID,
3278 },
3279 {
3280 .name = "write_lat_log",
3281 .lname = "Write latency log",
3282 .type = FIO_OPT_STR_STORE,
3283 .off1 = td_var_offset(lat_log_file),
3284 .help = "Write log of latency during run",
3285 .category = FIO_OPT_C_LOG,
3286 .group = FIO_OPT_G_INVALID,
3287 },
3288 {
3289 .name = "write_iops_log",
3290 .lname = "Write IOPS log",
3291 .type = FIO_OPT_STR_STORE,
3292 .off1 = td_var_offset(iops_log_file),
3293 .help = "Write log of IOPS during run",
3294 .category = FIO_OPT_C_LOG,
3295 .group = FIO_OPT_G_INVALID,
3296 },
3297 {
3298 .name = "log_avg_msec",
3299 .lname = "Log averaging (msec)",
3300 .type = FIO_OPT_INT,
3301 .off1 = td_var_offset(log_avg_msec),
3302 .help = "Average bw/iops/lat logs over this period of time",
3303 .def = "0",
3304 .category = FIO_OPT_C_LOG,
3305 .group = FIO_OPT_G_INVALID,
3306 },
3307 {
3308 .name = "log_max_value",
3309 .lname = "Log maximum instead of average",
3310 .type = FIO_OPT_BOOL,
3311 .off1 = td_var_offset(log_max),
3312 .help = "Log max sample in a window instead of average",
3313 .def = "0",
3314 .category = FIO_OPT_C_LOG,
3315 .group = FIO_OPT_G_INVALID,
3316 },
3317 {
3318 .name = "log_offset",
3319 .lname = "Log offset of IO",
3320 .type = FIO_OPT_BOOL,
3321 .off1 = td_var_offset(log_offset),
3322 .help = "Include offset of IO for each log entry",
3323 .def = "0",
3324 .category = FIO_OPT_C_LOG,
3325 .group = FIO_OPT_G_INVALID,
3326 },
3327#ifdef CONFIG_ZLIB
3328 {
3329 .name = "log_compression",
3330 .lname = "Log compression",
3331 .type = FIO_OPT_INT,
3332 .off1 = td_var_offset(log_gz),
3333 .help = "Log in compressed chunks of this size",
3334 .minval = 1024ULL,
3335 .maxval = 512 * 1024 * 1024ULL,
3336 .category = FIO_OPT_C_LOG,
3337 .group = FIO_OPT_G_INVALID,
3338 },
3339#ifdef FIO_HAVE_CPU_AFFINITY
3340 {
3341 .name = "log_compression_cpus",
3342 .lname = "Log Compression CPUs",
3343 .type = FIO_OPT_STR,
3344 .cb = str_log_cpus_allowed_cb,
3345 .off1 = td_var_offset(log_gz_cpumask),
3346 .parent = "log_compression",
3347 .help = "Limit log compression to these CPUs",
3348 .category = FIO_OPT_C_LOG,
3349 .group = FIO_OPT_G_INVALID,
3350 },
3351#endif
3352 {
3353 .name = "log_store_compressed",
3354 .lname = "Log store compressed",
3355 .type = FIO_OPT_BOOL,
3356 .off1 = td_var_offset(log_gz_store),
3357 .help = "Store logs in a compressed format",
3358 .category = FIO_OPT_C_LOG,
3359 .group = FIO_OPT_G_INVALID,
3360 },
3361#endif
3362 {
3363 .name = "block_error_percentiles",
3364 .lname = "Block error percentiles",
3365 .type = FIO_OPT_BOOL,
3366 .off1 = td_var_offset(block_error_hist),
3367 .help = "Record trim block errors and make a histogram",
3368 .def = "0",
3369 .category = FIO_OPT_C_LOG,
3370 .group = FIO_OPT_G_INVALID,
3371 },
3372 {
3373 .name = "bwavgtime",
3374 .lname = "Bandwidth average time",
3375 .type = FIO_OPT_INT,
3376 .off1 = td_var_offset(bw_avg_time),
3377 .help = "Time window over which to calculate bandwidth"
3378 " (msec)",
3379 .def = "500",
3380 .parent = "write_bw_log",
3381 .hide = 1,
3382 .interval = 100,
3383 .category = FIO_OPT_C_LOG,
3384 .group = FIO_OPT_G_INVALID,
3385 },
3386 {
3387 .name = "iopsavgtime",
3388 .lname = "IOPS average time",
3389 .type = FIO_OPT_INT,
3390 .off1 = td_var_offset(iops_avg_time),
3391 .help = "Time window over which to calculate IOPS (msec)",
3392 .def = "500",
3393 .parent = "write_iops_log",
3394 .hide = 1,
3395 .interval = 100,
3396 .category = FIO_OPT_C_LOG,
3397 .group = FIO_OPT_G_INVALID,
3398 },
3399 {
3400 .name = "group_reporting",
3401 .lname = "Group reporting",
3402 .type = FIO_OPT_STR_SET,
3403 .off1 = td_var_offset(group_reporting),
3404 .help = "Do reporting on a per-group basis",
3405 .category = FIO_OPT_C_STAT,
3406 .group = FIO_OPT_G_INVALID,
3407 },
3408 {
3409 .name = "zero_buffers",
3410 .lname = "Zero I/O buffers",
3411 .type = FIO_OPT_STR_SET,
3412 .off1 = td_var_offset(zero_buffers),
3413 .help = "Init IO buffers to all zeroes",
3414 .category = FIO_OPT_C_IO,
3415 .group = FIO_OPT_G_IO_BUF,
3416 },
3417 {
3418 .name = "refill_buffers",
3419 .lname = "Refill I/O buffers",
3420 .type = FIO_OPT_STR_SET,
3421 .off1 = td_var_offset(refill_buffers),
3422 .help = "Refill IO buffers on every IO submit",
3423 .category = FIO_OPT_C_IO,
3424 .group = FIO_OPT_G_IO_BUF,
3425 },
3426 {
3427 .name = "scramble_buffers",
3428 .lname = "Scramble I/O buffers",
3429 .type = FIO_OPT_BOOL,
3430 .off1 = td_var_offset(scramble_buffers),
3431 .help = "Slightly scramble buffers on every IO submit",
3432 .def = "1",
3433 .category = FIO_OPT_C_IO,
3434 .group = FIO_OPT_G_IO_BUF,
3435 },
3436 {
3437 .name = "buffer_pattern",
3438 .lname = "Buffer pattern",
3439 .type = FIO_OPT_STR,
3440 .cb = str_buffer_pattern_cb,
3441 .off1 = td_var_offset(buffer_pattern),
3442 .help = "Fill pattern for IO buffers",
3443 .category = FIO_OPT_C_IO,
3444 .group = FIO_OPT_G_IO_BUF,
3445 },
3446 {
3447 .name = "buffer_compress_percentage",
3448 .lname = "Buffer compression percentage",
3449 .type = FIO_OPT_INT,
3450 .cb = str_buffer_compress_cb,
3451 .off1 = td_var_offset(compress_percentage),
3452 .maxval = 100,
3453 .minval = 0,
3454 .help = "How compressible the buffer is (approximately)",
3455 .interval = 5,
3456 .category = FIO_OPT_C_IO,
3457 .group = FIO_OPT_G_IO_BUF,
3458 },
3459 {
3460 .name = "buffer_compress_chunk",
3461 .lname = "Buffer compression chunk size",
3462 .type = FIO_OPT_INT,
3463 .off1 = td_var_offset(compress_chunk),
3464 .parent = "buffer_compress_percentage",
3465 .hide = 1,
3466 .help = "Size of compressible region in buffer",
3467 .interval = 256,
3468 .category = FIO_OPT_C_IO,
3469 .group = FIO_OPT_G_IO_BUF,
3470 },
3471 {
3472 .name = "dedupe_percentage",
3473 .lname = "Dedupe percentage",
3474 .type = FIO_OPT_INT,
3475 .cb = str_dedupe_cb,
3476 .off1 = td_var_offset(dedupe_percentage),
3477 .maxval = 100,
3478 .minval = 0,
3479 .help = "Percentage of buffers that are dedupable",
3480 .interval = 1,
3481 .category = FIO_OPT_C_IO,
3482 .group = FIO_OPT_G_IO_BUF,
3483 },
3484 {
3485 .name = "clat_percentiles",
3486 .lname = "Completion latency percentiles",
3487 .type = FIO_OPT_BOOL,
3488 .off1 = td_var_offset(clat_percentiles),
3489 .help = "Enable the reporting of completion latency percentiles",
3490 .def = "1",
3491 .category = FIO_OPT_C_STAT,
3492 .group = FIO_OPT_G_INVALID,
3493 },
3494 {
3495 .name = "percentile_list",
3496 .lname = "Percentile list",
3497 .type = FIO_OPT_FLOAT_LIST,
3498 .off1 = td_var_offset(percentile_list),
3499 .off2 = td_var_offset(percentile_precision),
3500 .help = "Specify a custom list of percentiles to report for "
3501 "completion latency and block errors",
3502 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
3503 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3504 .minfp = 0.0,
3505 .maxfp = 100.0,
3506 .category = FIO_OPT_C_STAT,
3507 .group = FIO_OPT_G_INVALID,
3508 },
3509
3510#ifdef FIO_HAVE_DISK_UTIL
3511 {
3512 .name = "disk_util",
3513 .lname = "Disk utilization",
3514 .type = FIO_OPT_BOOL,
3515 .off1 = td_var_offset(do_disk_util),
3516 .help = "Log disk utilization statistics",
3517 .def = "1",
3518 .category = FIO_OPT_C_STAT,
3519 .group = FIO_OPT_G_INVALID,
3520 },
3521#endif
3522 {
3523 .name = "gtod_reduce",
3524 .lname = "Reduce gettimeofday() calls",
3525 .type = FIO_OPT_BOOL,
3526 .help = "Greatly reduce number of gettimeofday() calls",
3527 .cb = str_gtod_reduce_cb,
3528 .def = "0",
3529 .hide_on_set = 1,
3530 .category = FIO_OPT_C_STAT,
3531 .group = FIO_OPT_G_INVALID,
3532 },
3533 {
3534 .name = "disable_lat",
3535 .lname = "Disable all latency stats",
3536 .type = FIO_OPT_BOOL,
3537 .off1 = td_var_offset(disable_lat),
3538 .help = "Disable latency numbers",
3539 .parent = "gtod_reduce",
3540 .hide = 1,
3541 .def = "0",
3542 .category = FIO_OPT_C_STAT,
3543 .group = FIO_OPT_G_INVALID,
3544 },
3545 {
3546 .name = "disable_clat",
3547 .lname = "Disable completion latency stats",
3548 .type = FIO_OPT_BOOL,
3549 .off1 = td_var_offset(disable_clat),
3550 .help = "Disable completion latency numbers",
3551 .parent = "gtod_reduce",
3552 .hide = 1,
3553 .def = "0",
3554 .category = FIO_OPT_C_STAT,
3555 .group = FIO_OPT_G_INVALID,
3556 },
3557 {
3558 .name = "disable_slat",
3559 .lname = "Disable submission latency stats",
3560 .type = FIO_OPT_BOOL,
3561 .off1 = td_var_offset(disable_slat),
3562 .help = "Disable submission latency numbers",
3563 .parent = "gtod_reduce",
3564 .hide = 1,
3565 .def = "0",
3566 .category = FIO_OPT_C_STAT,
3567 .group = FIO_OPT_G_INVALID,
3568 },
3569 {
3570 .name = "disable_bw_measurement",
3571 .lname = "Disable bandwidth stats",
3572 .type = FIO_OPT_BOOL,
3573 .off1 = td_var_offset(disable_bw),
3574 .help = "Disable bandwidth logging",
3575 .parent = "gtod_reduce",
3576 .hide = 1,
3577 .def = "0",
3578 .category = FIO_OPT_C_STAT,
3579 .group = FIO_OPT_G_INVALID,
3580 },
3581 {
3582 .name = "gtod_cpu",
3583 .lname = "Dedicated gettimeofday() CPU",
3584 .type = FIO_OPT_INT,
3585 .off1 = td_var_offset(gtod_cpu),
3586 .help = "Set up dedicated gettimeofday() thread on this CPU",
3587 .verify = gtod_cpu_verify,
3588 .category = FIO_OPT_C_GENERAL,
3589 .group = FIO_OPT_G_CLOCK,
3590 },
3591 {
3592 .name = "unified_rw_reporting",
3593 .type = FIO_OPT_BOOL,
3594 .off1 = td_var_offset(unified_rw_rep),
3595 .help = "Unify reporting across data direction",
3596 .def = "0",
3597 .category = FIO_OPT_C_GENERAL,
3598 .group = FIO_OPT_G_INVALID,
3599 },
3600 {
3601 .name = "continue_on_error",
3602 .lname = "Continue on error",
3603 .type = FIO_OPT_STR,
3604 .off1 = td_var_offset(continue_on_error),
3605 .help = "Continue on non-fatal errors during IO",
3606 .def = "none",
3607 .category = FIO_OPT_C_GENERAL,
3608 .group = FIO_OPT_G_ERR,
3609 .posval = {
3610 { .ival = "none",
3611 .oval = ERROR_TYPE_NONE,
3612 .help = "Exit when an error is encountered",
3613 },
3614 { .ival = "read",
3615 .oval = ERROR_TYPE_READ,
3616 .help = "Continue on read errors only",
3617 },
3618 { .ival = "write",
3619 .oval = ERROR_TYPE_WRITE,
3620 .help = "Continue on write errors only",
3621 },
3622 { .ival = "io",
3623 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3624 .help = "Continue on any IO errors",
3625 },
3626 { .ival = "verify",
3627 .oval = ERROR_TYPE_VERIFY,
3628 .help = "Continue on verify errors only",
3629 },
3630 { .ival = "all",
3631 .oval = ERROR_TYPE_ANY,
3632 .help = "Continue on all io and verify errors",
3633 },
3634 { .ival = "0",
3635 .oval = ERROR_TYPE_NONE,
3636 .help = "Alias for 'none'",
3637 },
3638 { .ival = "1",
3639 .oval = ERROR_TYPE_ANY,
3640 .help = "Alias for 'all'",
3641 },
3642 },
3643 },
3644 {
3645 .name = "ignore_error",
3646 .type = FIO_OPT_STR,
3647 .cb = str_ignore_error_cb,
3648 .off1 = td_var_offset(ignore_error_nr),
3649 .help = "Set a specific list of errors to ignore",
3650 .parent = "rw",
3651 .category = FIO_OPT_C_GENERAL,
3652 .group = FIO_OPT_G_ERR,
3653 },
3654 {
3655 .name = "error_dump",
3656 .type = FIO_OPT_BOOL,
3657 .off1 = td_var_offset(error_dump),
3658 .def = "0",
3659 .help = "Dump info on each error",
3660 .category = FIO_OPT_C_GENERAL,
3661 .group = FIO_OPT_G_ERR,
3662 },
3663 {
3664 .name = "profile",
3665 .lname = "Profile",
3666 .type = FIO_OPT_STR_STORE,
3667 .off1 = td_var_offset(profile),
3668 .help = "Select a specific builtin performance test",
3669 .category = FIO_OPT_C_PROFILE,
3670 .group = FIO_OPT_G_INVALID,
3671 },
3672 {
3673 .name = "cgroup",
3674 .lname = "Cgroup",
3675 .type = FIO_OPT_STR_STORE,
3676 .off1 = td_var_offset(cgroup),
3677 .help = "Add job to cgroup of this name",
3678 .category = FIO_OPT_C_GENERAL,
3679 .group = FIO_OPT_G_CGROUP,
3680 },
3681 {
3682 .name = "cgroup_nodelete",
3683 .lname = "Cgroup no-delete",
3684 .type = FIO_OPT_BOOL,
3685 .off1 = td_var_offset(cgroup_nodelete),
3686 .help = "Do not delete cgroups after job completion",
3687 .def = "0",
3688 .parent = "cgroup",
3689 .category = FIO_OPT_C_GENERAL,
3690 .group = FIO_OPT_G_CGROUP,
3691 },
3692 {
3693 .name = "cgroup_weight",
3694 .lname = "Cgroup weight",
3695 .type = FIO_OPT_INT,
3696 .off1 = td_var_offset(cgroup_weight),
3697 .help = "Use given weight for cgroup",
3698 .minval = 100,
3699 .maxval = 1000,
3700 .parent = "cgroup",
3701 .category = FIO_OPT_C_GENERAL,
3702 .group = FIO_OPT_G_CGROUP,
3703 },
3704 {
3705 .name = "uid",
3706 .lname = "User ID",
3707 .type = FIO_OPT_INT,
3708 .off1 = td_var_offset(uid),
3709 .help = "Run job with this user ID",
3710 .category = FIO_OPT_C_GENERAL,
3711 .group = FIO_OPT_G_CRED,
3712 },
3713 {
3714 .name = "gid",
3715 .lname = "Group ID",
3716 .type = FIO_OPT_INT,
3717 .off1 = td_var_offset(gid),
3718 .help = "Run job with this group ID",
3719 .category = FIO_OPT_C_GENERAL,
3720 .group = FIO_OPT_G_CRED,
3721 },
3722 {
3723 .name = "kb_base",
3724 .lname = "KB Base",
3725 .type = FIO_OPT_INT,
3726 .off1 = td_var_offset(kb_base),
3727 .prio = 1,
3728 .def = "1024",
3729 .posval = {
3730 { .ival = "1024",
3731 .oval = 1024,
3732 .help = "Use 1024 as the K base",
3733 },
3734 { .ival = "1000",
3735 .oval = 1000,
3736 .help = "Use 1000 as the K base",
3737 },
3738 },
3739 .help = "How many bytes per KB for reporting (1000 or 1024)",
3740 .category = FIO_OPT_C_GENERAL,
3741 .group = FIO_OPT_G_INVALID,
3742 },
3743 {
3744 .name = "unit_base",
3745 .lname = "Base unit for reporting (Bits or Bytes)",
3746 .type = FIO_OPT_INT,
3747 .off1 = td_var_offset(unit_base),
3748 .prio = 1,
3749 .posval = {
3750 { .ival = "0",
3751 .oval = 0,
3752 .help = "Auto-detect",
3753 },
3754 { .ival = "8",
3755 .oval = 8,
3756 .help = "Normal (byte based)",
3757 },
3758 { .ival = "1",
3759 .oval = 1,
3760 .help = "Bit based",
3761 },
3762 },
3763 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3764 .category = FIO_OPT_C_GENERAL,
3765 .group = FIO_OPT_G_INVALID,
3766 },
3767 {
3768 .name = "hugepage-size",
3769 .lname = "Hugepage size",
3770 .type = FIO_OPT_INT,
3771 .off1 = td_var_offset(hugepage_size),
3772 .help = "When using hugepages, specify size of each page",
3773 .def = __fio_stringify(FIO_HUGE_PAGE),
3774 .interval = 1024 * 1024,
3775 .category = FIO_OPT_C_GENERAL,
3776 .group = FIO_OPT_G_INVALID,
3777 },
3778 {
3779 .name = "flow_id",
3780 .lname = "I/O flow ID",
3781 .type = FIO_OPT_INT,
3782 .off1 = td_var_offset(flow_id),
3783 .help = "The flow index ID to use",
3784 .def = "0",
3785 .category = FIO_OPT_C_IO,
3786 .group = FIO_OPT_G_IO_FLOW,
3787 },
3788 {
3789 .name = "flow",
3790 .lname = "I/O flow weight",
3791 .type = FIO_OPT_INT,
3792 .off1 = td_var_offset(flow),
3793 .help = "Weight for flow control of this job",
3794 .parent = "flow_id",
3795 .hide = 1,
3796 .def = "0",
3797 .category = FIO_OPT_C_IO,
3798 .group = FIO_OPT_G_IO_FLOW,
3799 },
3800 {
3801 .name = "flow_watermark",
3802 .lname = "I/O flow watermark",
3803 .type = FIO_OPT_INT,
3804 .off1 = td_var_offset(flow_watermark),
3805 .help = "High watermark for flow control. This option"
3806 " should be set to the same value for all threads"
3807 " with non-zero flow.",
3808 .parent = "flow_id",
3809 .hide = 1,
3810 .def = "1024",
3811 .category = FIO_OPT_C_IO,
3812 .group = FIO_OPT_G_IO_FLOW,
3813 },
3814 {
3815 .name = "flow_sleep",
3816 .lname = "I/O flow sleep",
3817 .type = FIO_OPT_INT,
3818 .off1 = td_var_offset(flow_sleep),
3819 .help = "How many microseconds to sleep after being held"
3820 " back by the flow control mechanism",
3821 .parent = "flow_id",
3822 .hide = 1,
3823 .def = "0",
3824 .category = FIO_OPT_C_IO,
3825 .group = FIO_OPT_G_IO_FLOW,
3826 },
3827 {
3828 .name = "skip_bad",
3829 .lname = "Skip operations against bad blocks",
3830 .type = FIO_OPT_BOOL,
3831 .off1 = td_var_offset(skip_bad),
3832 .help = "Skip operations against known bad blocks.",
3833 .hide = 1,
3834 .def = "0",
3835 .category = FIO_OPT_C_IO,
3836 .group = FIO_OPT_G_MTD,
3837 },
3838 {
3839 .name = NULL,
3840 },
3841};
3842
3843static void add_to_lopt(struct option *lopt, struct fio_option *o,
3844 const char *name, int val)
3845{
3846 lopt->name = (char *) name;
3847 lopt->val = val;
3848 if (o->type == FIO_OPT_STR_SET)
3849 lopt->has_arg = optional_argument;
3850 else
3851 lopt->has_arg = required_argument;
3852}
3853
3854static void options_to_lopts(struct fio_option *opts,
3855 struct option *long_options,
3856 int i, int option_type)
3857{
3858 struct fio_option *o = &opts[0];
3859 while (o->name) {
3860 add_to_lopt(&long_options[i], o, o->name, option_type);
3861 if (o->alias) {
3862 i++;
3863 add_to_lopt(&long_options[i], o, o->alias, option_type);
3864 }
3865
3866 i++;
3867 o++;
3868 assert(i < FIO_NR_OPTIONS);
3869 }
3870}
3871
3872void fio_options_set_ioengine_opts(struct option *long_options,
3873 struct thread_data *td)
3874{
3875 unsigned int i;
3876
3877 i = 0;
3878 while (long_options[i].name) {
3879 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3880 memset(&long_options[i], 0, sizeof(*long_options));
3881 break;
3882 }
3883 i++;
3884 }
3885
3886 /*
3887 * Just clear out the prior ioengine options.
3888 */
3889 if (!td || !td->eo)
3890 return;
3891
3892 options_to_lopts(td->io_ops->options, long_options, i,
3893 FIO_GETOPT_IOENGINE);
3894}
3895
3896void fio_options_dup_and_init(struct option *long_options)
3897{
3898 unsigned int i;
3899
3900 options_init(fio_options);
3901
3902 i = 0;
3903 while (long_options[i].name)
3904 i++;
3905
3906 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
3907}
3908
3909struct fio_keyword {
3910 const char *word;
3911 const char *desc;
3912 char *replace;
3913};
3914
3915static struct fio_keyword fio_keywords[] = {
3916 {
3917 .word = "$pagesize",
3918 .desc = "Page size in the system",
3919 },
3920 {
3921 .word = "$mb_memory",
3922 .desc = "Megabytes of memory online",
3923 },
3924 {
3925 .word = "$ncpus",
3926 .desc = "Number of CPUs online in the system",
3927 },
3928 {
3929 .word = NULL,
3930 },
3931};
3932
3933void fio_keywords_exit(void)
3934{
3935 struct fio_keyword *kw;
3936
3937 kw = &fio_keywords[0];
3938 while (kw->word) {
3939 free(kw->replace);
3940 kw->replace = NULL;
3941 kw++;
3942 }
3943}
3944
3945void fio_keywords_init(void)
3946{
3947 unsigned long long mb_memory;
3948 char buf[128];
3949 long l;
3950
3951 sprintf(buf, "%lu", (unsigned long) page_size);
3952 fio_keywords[0].replace = strdup(buf);
3953
3954 mb_memory = os_phys_mem() / (1024 * 1024);
3955 sprintf(buf, "%llu", mb_memory);
3956 fio_keywords[1].replace = strdup(buf);
3957
3958 l = cpus_online();
3959 sprintf(buf, "%lu", l);
3960 fio_keywords[2].replace = strdup(buf);
3961}
3962
3963#define BC_APP "bc"
3964
3965static char *bc_calc(char *str)
3966{
3967 char buf[128], *tmp;
3968 FILE *f;
3969 int ret;
3970
3971 /*
3972 * No math, just return string
3973 */
3974 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3975 !strchr(str, '/')) || strchr(str, '\''))
3976 return str;
3977
3978 /*
3979 * Split option from value, we only need to calculate the value
3980 */
3981 tmp = strchr(str, '=');
3982 if (!tmp)
3983 return str;
3984
3985 tmp++;
3986
3987 /*
3988 * Prevent buffer overflows; such a case isn't reasonable anyway
3989 */
3990 if (strlen(str) >= 128 || strlen(tmp) > 100)
3991 return str;
3992
3993 sprintf(buf, "which %s > /dev/null", BC_APP);
3994 if (system(buf)) {
3995 log_err("fio: bc is needed for performing math\n");
3996 return NULL;
3997 }
3998
3999 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
4000 f = popen(buf, "r");
4001 if (!f)
4002 return NULL;
4003
4004 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
4005 if (ret <= 0) {
4006 pclose(f);
4007 return NULL;
4008 }
4009
4010 pclose(f);
4011 buf[(tmp - str) + ret - 1] = '\0';
4012 memcpy(buf, str, tmp - str);
4013 free(str);
4014 return strdup(buf);
4015}
4016
4017/*
4018 * Return a copy of the input string with substrings of the form ${VARNAME}
4019 * substituted with the value of the environment variable VARNAME. The
4020 * substitution always occurs, even if VARNAME is empty or the corresponding
4021 * environment variable undefined.
4022 */
4023static char *option_dup_subs(const char *opt)
4024{
4025 char out[OPT_LEN_MAX+1];
4026 char in[OPT_LEN_MAX+1];
4027 char *outptr = out;
4028 char *inptr = in;
4029 char *ch1, *ch2, *env;
4030 ssize_t nchr = OPT_LEN_MAX;
4031 size_t envlen;
4032
4033 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4034 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4035 return NULL;
4036 }
4037
4038 in[OPT_LEN_MAX] = '\0';
4039 strncpy(in, opt, OPT_LEN_MAX);
4040
4041 while (*inptr && nchr > 0) {
4042 if (inptr[0] == '$' && inptr[1] == '{') {
4043 ch2 = strchr(inptr, '}');
4044 if (ch2 && inptr+1 < ch2) {
4045 ch1 = inptr+2;
4046 inptr = ch2+1;
4047 *ch2 = '\0';
4048
4049 env = getenv(ch1);
4050 if (env) {
4051 envlen = strlen(env);
4052 if (envlen <= nchr) {
4053 memcpy(outptr, env, envlen);
4054 outptr += envlen;
4055 nchr -= envlen;
4056 }
4057 }
4058
4059 continue;
4060 }
4061 }
4062
4063 *outptr++ = *inptr++;
4064 --nchr;
4065 }
4066
4067 *outptr = '\0';
4068 return strdup(out);
4069}
4070
4071/*
4072 * Look for reserved variable names and replace them with real values
4073 */
4074static char *fio_keyword_replace(char *opt)
4075{
4076 char *s;
4077 int i;
4078 int docalc = 0;
4079
4080 for (i = 0; fio_keywords[i].word != NULL; i++) {
4081 struct fio_keyword *kw = &fio_keywords[i];
4082
4083 while ((s = strstr(opt, kw->word)) != NULL) {
4084 char *new = malloc(strlen(opt) + 1);
4085 char *o_org = opt;
4086 int olen = s - opt;
4087 int len;
4088
4089 /*
4090 * Copy part of the string before the keyword and
4091 * sprintf() the replacement after it.
4092 */
4093 memcpy(new, opt, olen);
4094 len = sprintf(new + olen, "%s", kw->replace);
4095
4096 /*
4097 * If there's more in the original string, copy that
4098 * in too
4099 */
4100 opt += strlen(kw->word) + olen;
4101 if (strlen(opt))
4102 memcpy(new + olen + len, opt, opt - o_org - 1);
4103
4104 /*
4105 * replace opt and free the old opt
4106 */
4107 opt = new;
4108 free(o_org);
4109
4110 docalc = 1;
4111 }
4112 }
4113
4114 /*
4115 * Check for potential math and invoke bc, if possible
4116 */
4117 if (docalc)
4118 opt = bc_calc(opt);
4119
4120 return opt;
4121}
4122
4123static char **dup_and_sub_options(char **opts, int num_opts)
4124{
4125 int i;
4126 char **opts_copy = malloc(num_opts * sizeof(*opts));
4127 for (i = 0; i < num_opts; i++) {
4128 opts_copy[i] = option_dup_subs(opts[i]);
4129 if (!opts_copy[i])
4130 continue;
4131 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4132 }
4133 return opts_copy;
4134}
4135
4136static void show_closest_option(const char *opt)
4137{
4138 int best_option, best_distance;
4139 int i, distance;
4140 char *name;
4141
4142 if (!strlen(opt))
4143 return;
4144
4145 name = strdup(opt);
4146 i = 0;
4147 while (name[i] != '\0' && name[i] != '=')
4148 i++;
4149 name[i] = '\0';
4150
4151 best_option = -1;
4152 best_distance = INT_MAX;
4153 i = 0;
4154 while (fio_options[i].name) {
4155 distance = string_distance(name, fio_options[i].name);
4156 if (distance < best_distance) {
4157 best_distance = distance;
4158 best_option = i;
4159 }
4160 i++;
4161 }
4162
4163 if (best_option != -1 && string_distance_ok(name, best_distance))
4164 log_err("Did you mean %s?\n", fio_options[best_option].name);
4165
4166 free(name);
4167}
4168
4169int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
4170{
4171 int i, ret, unknown;
4172 char **opts_copy;
4173
4174 sort_options(opts, fio_options, num_opts);
4175 opts_copy = dup_and_sub_options(opts, num_opts);
4176
4177 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4178 struct fio_option *o;
4179 int newret = parse_option(opts_copy[i], opts[i], fio_options,
4180 &o, td, &td->opt_list);
4181
4182 if (!newret && o)
4183 fio_option_mark_set(&td->o, o);
4184
4185 if (opts_copy[i]) {
4186 if (newret && !o) {
4187 unknown++;
4188 continue;
4189 }
4190 free(opts_copy[i]);
4191 opts_copy[i] = NULL;
4192 }
4193
4194 ret |= newret;
4195 }
4196
4197 if (unknown) {
4198 ret |= ioengine_load(td);
4199 if (td->eo) {
4200 sort_options(opts_copy, td->io_ops->options, num_opts);
4201 opts = opts_copy;
4202 }
4203 for (i = 0; i < num_opts; i++) {
4204 struct fio_option *o = NULL;
4205 int newret = 1;
4206
4207 if (!opts_copy[i])
4208 continue;
4209
4210 if (td->eo)
4211 newret = parse_option(opts_copy[i], opts[i],
4212 td->io_ops->options, &o,
4213 td->eo, &td->opt_list);
4214
4215 ret |= newret;
4216 if (!o) {
4217 log_err("Bad option <%s>\n", opts[i]);
4218 show_closest_option(opts[i]);
4219 }
4220 free(opts_copy[i]);
4221 opts_copy[i] = NULL;
4222 }
4223 }
4224
4225 free(opts_copy);
4226 return ret;
4227}
4228
4229int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4230{
4231 int ret;
4232
4233 ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list);
4234 if (!ret) {
4235 struct fio_option *o;
4236
4237 o = find_option(fio_options, opt);
4238 if (o)
4239 fio_option_mark_set(&td->o, o);
4240 }
4241
4242 return ret;
4243}
4244
4245int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4246 char *val)
4247{
4248 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4249 &td->opt_list);
4250}
4251
4252void fio_fill_default_options(struct thread_data *td)
4253{
4254 td->o.magic = OPT_MAGIC;
4255 fill_default_options(td, fio_options);
4256}
4257
4258int fio_show_option_help(const char *opt)
4259{
4260 return show_cmd_help(fio_options, opt);
4261}
4262
4263void options_mem_dupe(void *data, struct fio_option *options)
4264{
4265 struct fio_option *o;
4266 char **ptr;
4267
4268 for (o = &options[0]; o->name; o++) {
4269 if (o->type != FIO_OPT_STR_STORE)
4270 continue;
4271
4272 ptr = td_var(data, o, o->off1);
4273 if (*ptr)
4274 *ptr = strdup(*ptr);
4275 }
4276}
4277
4278/*
4279 * dupe FIO_OPT_STR_STORE options
4280 */
4281void fio_options_mem_dupe(struct thread_data *td)
4282{
4283 options_mem_dupe(&td->o, fio_options);
4284
4285 if (td->eo && td->io_ops) {
4286 void *oldeo = td->eo;
4287
4288 td->eo = malloc(td->io_ops->option_struct_size);
4289 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4290 options_mem_dupe(td->eo, td->io_ops->options);
4291 }
4292}
4293
4294unsigned int fio_get_kb_base(void *data)
4295{
4296 struct thread_options *o = data;
4297 unsigned int kb_base = 0;
4298
4299 /*
4300 * This is a hack... For private options, *data is not holding
4301 * a pointer to the thread_options, but to private data. This means
4302 * we can't safely dereference it, but magic is first so mem wise
4303 * it is valid. But this also means that if the job first sets
4304 * kb_base and expects that to be honored by private options,
4305 * it will be disappointed. We will return the global default
4306 * for this.
4307 */
4308 if (o && o->magic == OPT_MAGIC)
4309 kb_base = o->kb_base;
4310 if (!kb_base)
4311 kb_base = 1024;
4312
4313 return kb_base;
4314}
4315
4316int add_option(struct fio_option *o)
4317{
4318 struct fio_option *__o;
4319 int opt_index = 0;
4320
4321 __o = fio_options;
4322 while (__o->name) {
4323 opt_index++;
4324 __o++;
4325 }
4326
4327 if (opt_index + 1 == FIO_MAX_OPTS) {
4328 log_err("fio: FIO_MAX_OPTS is too small\n");
4329 return 1;
4330 }
4331
4332 memcpy(&fio_options[opt_index], o, sizeof(*o));
4333 fio_options[opt_index + 1].name = NULL;
4334 return 0;
4335}
4336
4337void invalidate_profile_options(const char *prof_name)
4338{
4339 struct fio_option *o;
4340
4341 o = fio_options;
4342 while (o->name) {
4343 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4344 o->type = FIO_OPT_INVALID;
4345 o->prof_name = NULL;
4346 }
4347 o++;
4348 }
4349}
4350
4351void add_opt_posval(const char *optname, const char *ival, const char *help)
4352{
4353 struct fio_option *o;
4354 unsigned int i;
4355
4356 o = find_option(fio_options, optname);
4357 if (!o)
4358 return;
4359
4360 for (i = 0; i < PARSE_MAX_VP; i++) {
4361 if (o->posval[i].ival)
4362 continue;
4363
4364 o->posval[i].ival = ival;
4365 o->posval[i].help = help;
4366 break;
4367 }
4368}
4369
4370void del_opt_posval(const char *optname, const char *ival)
4371{
4372 struct fio_option *o;
4373 unsigned int i;
4374
4375 o = find_option(fio_options, optname);
4376 if (!o)
4377 return;
4378
4379 for (i = 0; i < PARSE_MAX_VP; i++) {
4380 if (!o->posval[i].ival)
4381 continue;
4382 if (strcmp(o->posval[i].ival, ival))
4383 continue;
4384
4385 o->posval[i].ival = NULL;
4386 o->posval[i].help = NULL;
4387 }
4388}
4389
4390void fio_options_free(struct thread_data *td)
4391{
4392 options_free(fio_options, td);
4393 if (td->eo && td->io_ops && td->io_ops->options) {
4394 options_free(td->io_ops->options, td->eo);
4395 free(td->eo);
4396 td->eo = NULL;
4397 }
4398}
4399
4400struct fio_option *fio_option_find(const char *name)
4401{
4402 return find_option(fio_options, name);
4403}
4404
4405static struct fio_option *find_next_opt(struct thread_options *o,
4406 struct fio_option *from,
4407 unsigned int off1)
4408{
4409 struct fio_option *opt;
4410
4411 if (!from)
4412 from = &fio_options[0];
4413 else
4414 from++;
4415
4416 opt = NULL;
4417 do {
4418 if (off1 == from->off1) {
4419 opt = from;
4420 break;
4421 }
4422 from++;
4423 } while (from->name);
4424
4425 return opt;
4426}
4427
4428static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4429{
4430 unsigned int opt_off, index, offset;
4431
4432 opt_off = opt - &fio_options[0];
4433 index = opt_off / (8 * sizeof(uint64_t));
4434 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4435 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
4436}
4437
4438bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
4439{
4440 struct fio_option *opt, *next;
4441
4442 next = NULL;
4443 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4444 if (opt_is_set(o, opt))
4445 return true;
4446
4447 next = opt;
4448 }
4449
4450 return false;
4451}
4452
4453void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4454{
4455 unsigned int opt_off, index, offset;
4456
4457 opt_off = opt - &fio_options[0];
4458 index = opt_off / (8 * sizeof(uint64_t));
4459 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4460 o->set_options[index] |= (uint64_t)1 << offset;
4461}
fio - Flexible IO Tester