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options: finish merge of bssplit/rand zone 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
47struct split {
48 unsigned int nr;
49 unsigned int val1[100];
50 unsigned int val2[100];
51};
52
53static int split_parse_ddir(struct thread_options *o, struct split *split,
54 enum fio_ddir ddir, char *str)
55{
56 unsigned int i, perc;
57 long long val;
58 char *fname;
59
60 split->nr = 0;
61
62 i = 0;
63 while ((fname = strsep(&str, ":")) != NULL) {
64 char *perc_str;
65
66 if (!strlen(fname))
67 break;
68
69 perc_str = strstr(fname, "/");
70 if (perc_str) {
71 *perc_str = '\0';
72 perc_str++;
73 perc = atoi(perc_str);
74 if (perc > 100)
75 perc = 100;
76 else if (!perc)
77 perc = -1U;
78 } else
79 perc = -1U;
80
81 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
82 log_err("fio: bssplit conversion failed\n");
83 return 1;
84 }
85
86 split->val1[i] = val;
87 split->val2[i] = perc;
88 i++;
89 if (i == 100)
90 break;
91 }
92
93 split->nr = i;
94 return 0;
95}
96
97static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
98{
99 unsigned int i, perc, perc_missing;
100 unsigned int max_bs, min_bs;
101 struct split split;
102
103 memset(&split, 0, sizeof(split));
104
105 if (split_parse_ddir(o, &split, ddir, str))
106 return 1;
107 if (!split.nr)
108 return 0;
109
110 max_bs = 0;
111 min_bs = -1;
112 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
113 o->bssplit_nr[ddir] = split.nr;
114 for (i = 0; i < split.nr; i++) {
115 if (split.val1[i] > max_bs)
116 max_bs = split.val1[i];
117 if (split.val1[i] < min_bs)
118 min_bs = split.val1[i];
119
120 o->bssplit[ddir][i].bs = split.val1[i];
121 o->bssplit[ddir][i].perc =split.val2[i];
122 }
123
124 /*
125 * Now check if the percentages add up, and how much is missing
126 */
127 perc = perc_missing = 0;
128 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
129 struct bssplit *bsp = &o->bssplit[ddir][i];
130
131 if (bsp->perc == -1U)
132 perc_missing++;
133 else
134 perc += bsp->perc;
135 }
136
137 if (perc > 100 && perc_missing > 1) {
138 log_err("fio: bssplit percentages add to more than 100%%\n");
139 free(o->bssplit[ddir]);
140 o->bssplit[ddir] = NULL;
141 return 1;
142 }
143
144 /*
145 * If values didn't have a percentage set, divide the remains between
146 * them.
147 */
148 if (perc_missing) {
149 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
150 perc = 100;
151 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
152 struct bssplit *bsp = &o->bssplit[ddir][i];
153
154 if (bsp->perc == -1U)
155 bsp->perc = (100 - perc) / perc_missing;
156 }
157 }
158
159 o->min_bs[ddir] = min_bs;
160 o->max_bs[ddir] = max_bs;
161
162 /*
163 * now sort based on percentages, for ease of lookup
164 */
165 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
166 return 0;
167}
168
169typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *);
170
171static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn)
172{
173 char *odir, *ddir;
174 int ret = 0;
175
176 odir = strchr(str, ',');
177 if (odir) {
178 ddir = strchr(odir + 1, ',');
179 if (ddir) {
180 ret = fn(&td->o, DDIR_TRIM, ddir + 1);
181 if (!ret)
182 *ddir = '\0';
183 } else {
184 char *op;
185
186 op = strdup(odir + 1);
187 ret = fn(&td->o, DDIR_TRIM, op);
188
189 free(op);
190 }
191 if (!ret)
192 ret = fn(&td->o, DDIR_WRITE, odir + 1);
193 if (!ret) {
194 *odir = '\0';
195 ret = fn(&td->o, DDIR_READ, str);
196 }
197 } else {
198 char *op;
199
200 op = strdup(str);
201 ret = fn(&td->o, DDIR_WRITE, op);
202 free(op);
203
204 if (!ret) {
205 op = strdup(str);
206 ret = fn(&td->o, DDIR_TRIM, op);
207 free(op);
208 }
209 if (!ret)
210 ret = fn(&td->o, DDIR_READ, str);
211 }
212
213 return ret;
214}
215
216static int str_bssplit_cb(void *data, const char *input)
217{
218 struct thread_data *td = data;
219 char *str, *p;
220 int ret = 0;
221
222 if (parse_dryrun())
223 return 0;
224
225 p = str = strdup(input);
226
227 strip_blank_front(&str);
228 strip_blank_end(str);
229
230 ret = str_split_parse(td, str, bssplit_ddir);
231
232 free(p);
233 return ret;
234}
235
236static int str2error(char *str)
237{
238 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
239 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
240 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
241 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
242 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
243 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
244 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
245 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
246 int i = 0, num = sizeof(err) / sizeof(void *);
247
248 while (i < num) {
249 if (!strcmp(err[i], str))
250 return i + 1;
251 i++;
252 }
253 return 0;
254}
255
256static int ignore_error_type(struct thread_data *td, int etype, char *str)
257{
258 unsigned int i;
259 int *error;
260 char *fname;
261
262 if (etype >= ERROR_TYPE_CNT) {
263 log_err("Illegal error type\n");
264 return 1;
265 }
266
267 td->o.ignore_error_nr[etype] = 4;
268 error = malloc(4 * sizeof(struct bssplit));
269
270 i = 0;
271 while ((fname = strsep(&str, ":")) != NULL) {
272
273 if (!strlen(fname))
274 break;
275
276 /*
277 * grow struct buffer, if needed
278 */
279 if (i == td->o.ignore_error_nr[etype]) {
280 td->o.ignore_error_nr[etype] <<= 1;
281 error = realloc(error, td->o.ignore_error_nr[etype]
282 * sizeof(int));
283 }
284 if (fname[0] == 'E') {
285 error[i] = str2error(fname);
286 } else {
287 error[i] = atoi(fname);
288 if (error[i] < 0)
289 error[i] = -error[i];
290 }
291 if (!error[i]) {
292 log_err("Unknown error %s, please use number value \n",
293 fname);
294 free(error);
295 return 1;
296 }
297 i++;
298 }
299 if (i) {
300 td->o.continue_on_error |= 1 << etype;
301 td->o.ignore_error_nr[etype] = i;
302 td->o.ignore_error[etype] = error;
303 } else
304 free(error);
305
306 return 0;
307
308}
309
310static int str_ignore_error_cb(void *data, const char *input)
311{
312 struct thread_data *td = data;
313 char *str, *p, *n;
314 int type = 0, ret = 1;
315
316 if (parse_dryrun())
317 return 0;
318
319 p = str = strdup(input);
320
321 strip_blank_front(&str);
322 strip_blank_end(str);
323
324 while (p) {
325 n = strchr(p, ',');
326 if (n)
327 *n++ = '\0';
328 ret = ignore_error_type(td, type, p);
329 if (ret)
330 break;
331 p = n;
332 type++;
333 }
334 free(str);
335 return ret;
336}
337
338static int str_rw_cb(void *data, const char *str)
339{
340 struct thread_data *td = data;
341 struct thread_options *o = &td->o;
342 char *nr;
343
344 if (parse_dryrun())
345 return 0;
346
347 o->ddir_seq_nr = 1;
348 o->ddir_seq_add = 0;
349
350 nr = get_opt_postfix(str);
351 if (!nr)
352 return 0;
353
354 if (td_random(td))
355 o->ddir_seq_nr = atoi(nr);
356 else {
357 long long val;
358
359 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
360 log_err("fio: rw postfix parsing failed\n");
361 free(nr);
362 return 1;
363 }
364
365 o->ddir_seq_add = val;
366 }
367
368 free(nr);
369 return 0;
370}
371
372static int str_mem_cb(void *data, const char *mem)
373{
374 struct thread_data *td = data;
375
376 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
377 td->o.mem_type == MEM_MMAPSHARED)
378 td->o.mmapfile = get_opt_postfix(mem);
379
380 return 0;
381}
382
383static int fio_clock_source_cb(void *data, const char *str)
384{
385 struct thread_data *td = data;
386
387 fio_clock_source = td->o.clocksource;
388 fio_clock_source_set = 1;
389 fio_clock_init();
390 return 0;
391}
392
393static int str_rwmix_read_cb(void *data, unsigned long long *val)
394{
395 struct thread_data *td = data;
396
397 td->o.rwmix[DDIR_READ] = *val;
398 td->o.rwmix[DDIR_WRITE] = 100 - *val;
399 return 0;
400}
401
402static int str_rwmix_write_cb(void *data, unsigned long long *val)
403{
404 struct thread_data *td = data;
405
406 td->o.rwmix[DDIR_WRITE] = *val;
407 td->o.rwmix[DDIR_READ] = 100 - *val;
408 return 0;
409}
410
411static int str_exitall_cb(void)
412{
413 exitall_on_terminate = 1;
414 return 0;
415}
416
417#ifdef FIO_HAVE_CPU_AFFINITY
418int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
419{
420 unsigned int i, index, cpus_in_mask;
421 const long max_cpu = cpus_online();
422
423 cpus_in_mask = fio_cpu_count(mask);
424 cpu_index = cpu_index % cpus_in_mask;
425
426 index = 0;
427 for (i = 0; i < max_cpu; i++) {
428 if (!fio_cpu_isset(mask, i))
429 continue;
430
431 if (cpu_index != index)
432 fio_cpu_clear(mask, i);
433
434 index++;
435 }
436
437 return fio_cpu_count(mask);
438}
439
440static int str_cpumask_cb(void *data, unsigned long long *val)
441{
442 struct thread_data *td = data;
443 unsigned int i;
444 long max_cpu;
445 int ret;
446
447 if (parse_dryrun())
448 return 0;
449
450 ret = fio_cpuset_init(&td->o.cpumask);
451 if (ret < 0) {
452 log_err("fio: cpuset_init failed\n");
453 td_verror(td, ret, "fio_cpuset_init");
454 return 1;
455 }
456
457 max_cpu = cpus_online();
458
459 for (i = 0; i < sizeof(int) * 8; i++) {
460 if ((1 << i) & *val) {
461 if (i >= max_cpu) {
462 log_err("fio: CPU %d too large (max=%ld)\n", i,
463 max_cpu - 1);
464 return 1;
465 }
466 dprint(FD_PARSE, "set cpu allowed %d\n", i);
467 fio_cpu_set(&td->o.cpumask, i);
468 }
469 }
470
471 return 0;
472}
473
474static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
475 const char *input)
476{
477 char *cpu, *str, *p;
478 long max_cpu;
479 int ret = 0;
480
481 ret = fio_cpuset_init(mask);
482 if (ret < 0) {
483 log_err("fio: cpuset_init failed\n");
484 td_verror(td, ret, "fio_cpuset_init");
485 return 1;
486 }
487
488 p = str = strdup(input);
489
490 strip_blank_front(&str);
491 strip_blank_end(str);
492
493 max_cpu = cpus_online();
494
495 while ((cpu = strsep(&str, ",")) != NULL) {
496 char *str2, *cpu2;
497 int icpu, icpu2;
498
499 if (!strlen(cpu))
500 break;
501
502 str2 = cpu;
503 icpu2 = -1;
504 while ((cpu2 = strsep(&str2, "-")) != NULL) {
505 if (!strlen(cpu2))
506 break;
507
508 icpu2 = atoi(cpu2);
509 }
510
511 icpu = atoi(cpu);
512 if (icpu2 == -1)
513 icpu2 = icpu;
514 while (icpu <= icpu2) {
515 if (icpu >= FIO_MAX_CPUS) {
516 log_err("fio: your OS only supports up to"
517 " %d CPUs\n", (int) FIO_MAX_CPUS);
518 ret = 1;
519 break;
520 }
521 if (icpu >= max_cpu) {
522 log_err("fio: CPU %d too large (max=%ld)\n",
523 icpu, max_cpu - 1);
524 ret = 1;
525 break;
526 }
527
528 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
529 fio_cpu_set(mask, icpu);
530 icpu++;
531 }
532 if (ret)
533 break;
534 }
535
536 free(p);
537 return ret;
538}
539
540static int str_cpus_allowed_cb(void *data, const char *input)
541{
542 struct thread_data *td = data;
543
544 if (parse_dryrun())
545 return 0;
546
547 return set_cpus_allowed(td, &td->o.cpumask, input);
548}
549
550static int str_verify_cpus_allowed_cb(void *data, const char *input)
551{
552 struct thread_data *td = data;
553
554 if (parse_dryrun())
555 return 0;
556
557 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
558}
559
560#ifdef CONFIG_ZLIB
561static int str_log_cpus_allowed_cb(void *data, const char *input)
562{
563 struct thread_data *td = data;
564
565 if (parse_dryrun())
566 return 0;
567
568 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
569}
570#endif /* CONFIG_ZLIB */
571
572#endif /* FIO_HAVE_CPU_AFFINITY */
573
574#ifdef CONFIG_LIBNUMA
575static int str_numa_cpunodes_cb(void *data, char *input)
576{
577 struct thread_data *td = data;
578 struct bitmask *verify_bitmask;
579
580 if (parse_dryrun())
581 return 0;
582
583 /* numa_parse_nodestring() parses a character string list
584 * of nodes into a bit mask. The bit mask is allocated by
585 * numa_allocate_nodemask(), so it should be freed by
586 * numa_free_nodemask().
587 */
588 verify_bitmask = numa_parse_nodestring(input);
589 if (verify_bitmask == NULL) {
590 log_err("fio: numa_parse_nodestring failed\n");
591 td_verror(td, 1, "str_numa_cpunodes_cb");
592 return 1;
593 }
594 numa_free_nodemask(verify_bitmask);
595
596 td->o.numa_cpunodes = strdup(input);
597 return 0;
598}
599
600static int str_numa_mpol_cb(void *data, char *input)
601{
602 struct thread_data *td = data;
603 const char * const policy_types[] =
604 { "default", "prefer", "bind", "interleave", "local", NULL };
605 int i;
606 char *nodelist;
607 struct bitmask *verify_bitmask;
608
609 if (parse_dryrun())
610 return 0;
611
612 nodelist = strchr(input, ':');
613 if (nodelist) {
614 /* NUL-terminate mode */
615 *nodelist++ = '\0';
616 }
617
618 for (i = 0; i <= MPOL_LOCAL; i++) {
619 if (!strcmp(input, policy_types[i])) {
620 td->o.numa_mem_mode = i;
621 break;
622 }
623 }
624 if (i > MPOL_LOCAL) {
625 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
626 goto out;
627 }
628
629 switch (td->o.numa_mem_mode) {
630 case MPOL_PREFERRED:
631 /*
632 * Insist on a nodelist of one node only
633 */
634 if (nodelist) {
635 char *rest = nodelist;
636 while (isdigit(*rest))
637 rest++;
638 if (*rest) {
639 log_err("fio: one node only for \'prefer\'\n");
640 goto out;
641 }
642 } else {
643 log_err("fio: one node is needed for \'prefer\'\n");
644 goto out;
645 }
646 break;
647 case MPOL_INTERLEAVE:
648 /*
649 * Default to online nodes with memory if no nodelist
650 */
651 if (!nodelist)
652 nodelist = strdup("all");
653 break;
654 case MPOL_LOCAL:
655 case MPOL_DEFAULT:
656 /*
657 * Don't allow a nodelist
658 */
659 if (nodelist) {
660 log_err("fio: NO nodelist for \'local\'\n");
661 goto out;
662 }
663 break;
664 case MPOL_BIND:
665 /*
666 * Insist on a nodelist
667 */
668 if (!nodelist) {
669 log_err("fio: a nodelist is needed for \'bind\'\n");
670 goto out;
671 }
672 break;
673 }
674
675
676 /* numa_parse_nodestring() parses a character string list
677 * of nodes into a bit mask. The bit mask is allocated by
678 * numa_allocate_nodemask(), so it should be freed by
679 * numa_free_nodemask().
680 */
681 switch (td->o.numa_mem_mode) {
682 case MPOL_PREFERRED:
683 td->o.numa_mem_prefer_node = atoi(nodelist);
684 break;
685 case MPOL_INTERLEAVE:
686 case MPOL_BIND:
687 verify_bitmask = numa_parse_nodestring(nodelist);
688 if (verify_bitmask == NULL) {
689 log_err("fio: numa_parse_nodestring failed\n");
690 td_verror(td, 1, "str_numa_memnodes_cb");
691 return 1;
692 }
693 td->o.numa_memnodes = strdup(nodelist);
694 numa_free_nodemask(verify_bitmask);
695
696 break;
697 case MPOL_LOCAL:
698 case MPOL_DEFAULT:
699 default:
700 break;
701 }
702
703 return 0;
704out:
705 return 1;
706}
707#endif
708
709static int str_fst_cb(void *data, const char *str)
710{
711 struct thread_data *td = data;
712 char *nr = get_opt_postfix(str);
713
714 td->file_service_nr = 1;
715 if (nr) {
716 td->file_service_nr = atoi(nr);
717 free(nr);
718 }
719
720 return 0;
721}
722
723#ifdef CONFIG_SYNC_FILE_RANGE
724static int str_sfr_cb(void *data, const char *str)
725{
726 struct thread_data *td = data;
727 char *nr = get_opt_postfix(str);
728
729 td->sync_file_range_nr = 1;
730 if (nr) {
731 td->sync_file_range_nr = atoi(nr);
732 free(nr);
733 }
734
735 return 0;
736}
737#endif
738
739static int zone_cmp(const void *p1, const void *p2)
740{
741 const struct zone_split *zsp1 = p1;
742 const struct zone_split *zsp2 = p2;
743
744 return (int) zsp2->access_perc - (int) zsp1->access_perc;
745}
746
747static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
748 char *str)
749{
750 unsigned int i, perc, perc_missing, sperc, sperc_missing;
751 struct split split;
752
753 memset(&split, 0, sizeof(split));
754
755 if (split_parse_ddir(o, &split, ddir, str))
756 return 1;
757 if (!split.nr)
758 return 0;
759
760 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
761 o->zone_split_nr[ddir] = split.nr;
762 for (i = 0; i < split.nr; i++) {
763 o->zone_split[ddir][i].access_perc = split.val1[i];
764 o->zone_split[ddir][i].size_perc = split.val2[i];
765 }
766
767 /*
768 * Now check if the percentages add up, and how much is missing
769 */
770 perc = perc_missing = 0;
771 sperc = sperc_missing = 0;
772 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
773 struct zone_split *zsp = &o->zone_split[ddir][i];
774
775 if (zsp->access_perc == (uint8_t) -1U)
776 perc_missing++;
777 else
778 perc += zsp->access_perc;
779
780 if (zsp->size_perc == (uint8_t) -1U)
781 sperc_missing++;
782 else
783 sperc += zsp->size_perc;
784
785 }
786
787 if (perc > 100 || sperc > 100) {
788 log_err("fio: zone_split percentages add to more than 100%%\n");
789 free(o->zone_split[ddir]);
790 o->zone_split[ddir] = NULL;
791 return 1;
792 }
793 if (perc < 100) {
794 log_err("fio: access percentage don't add up to 100 for zoned "
795 "random distribution (got=%u)\n", perc);
796 free(o->zone_split[ddir]);
797 o->zone_split[ddir] = NULL;
798 return 1;
799 }
800
801 /*
802 * If values didn't have a percentage set, divide the remains between
803 * them.
804 */
805 if (perc_missing) {
806 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
807 perc = 100;
808 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
809 struct zone_split *zsp = &o->zone_split[ddir][i];
810
811 if (zsp->access_perc == (uint8_t) -1U)
812 zsp->access_perc = (100 - perc) / perc_missing;
813 }
814 }
815 if (sperc_missing) {
816 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
817 sperc = 100;
818 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
819 struct zone_split *zsp = &o->zone_split[ddir][i];
820
821 if (zsp->size_perc == (uint8_t) -1U)
822 zsp->size_perc = (100 - sperc) / sperc_missing;
823 }
824 }
825
826 /*
827 * now sort based on percentages, for ease of lookup
828 */
829 qsort(o->zone_split[ddir], o->zone_split_nr[ddir], sizeof(struct zone_split), zone_cmp);
830 return 0;
831}
832
833static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
834{
835 unsigned int i, j, sprev, aprev;
836
837 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
838
839 sprev = aprev = 0;
840 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
841 struct zone_split *zsp = &td->o.zone_split[ddir][i];
842
843 for (j = aprev; j < aprev + zsp->access_perc; j++) {
844 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
845
846 zsi->size_perc = sprev + zsp->size_perc;
847 zsi->size_perc_prev = sprev;
848 }
849
850 aprev += zsp->access_perc;
851 sprev += zsp->size_perc;
852 }
853}
854
855/*
856 * Generate state table for indexes, so we don't have to do it inline from
857 * the hot IO path
858 */
859static void td_zone_gen_index(struct thread_data *td)
860{
861 int i;
862
863 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
864 sizeof(struct zone_split_index *));
865
866 for (i = 0; i < DDIR_RWDIR_CNT; i++)
867 __td_zone_gen_index(td, i);
868}
869
870static int parse_zoned_distribution(struct thread_data *td, const char *input)
871{
872 char *str, *p;
873 int i, ret = 0;
874
875 p = str = strdup(input);
876
877 strip_blank_front(&str);
878 strip_blank_end(str);
879
880 /* We expect it to start like that, bail if not */
881 if (strncmp(str, "zoned:", 6)) {
882 log_err("fio: mismatch in zoned input <%s>\n", str);
883 free(p);
884 return 1;
885 }
886 str += strlen("zoned:");
887
888 ret = str_split_parse(td, str, zone_split_ddir);
889
890 free(p);
891
892 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
893 int j;
894
895 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
896
897 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
898 struct zone_split *zsp = &td->o.zone_split[i][j];
899
900 dprint(FD_PARSE, "\t%d: %u/%u\n", j, zsp->access_perc,
901 zsp->size_perc);
902 }
903 }
904
905 if (!ret)
906 td_zone_gen_index(td);
907 else {
908 for (i = 0; i < DDIR_RWDIR_CNT; i++)
909 td->o.zone_split_nr[i] = 0;
910 }
911
912 return ret;
913}
914
915static int str_random_distribution_cb(void *data, const char *str)
916{
917 struct thread_data *td = data;
918 double val;
919 char *nr;
920
921 if (parse_dryrun())
922 return 0;
923
924 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
925 val = FIO_DEF_ZIPF;
926 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
927 val = FIO_DEF_PARETO;
928 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
929 val = 0.0;
930 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
931 return parse_zoned_distribution(td, str);
932 else
933 return 0;
934
935 nr = get_opt_postfix(str);
936 if (nr && !str_to_float(nr, &val, 0)) {
937 log_err("fio: random postfix parsing failed\n");
938 free(nr);
939 return 1;
940 }
941
942 free(nr);
943
944 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
945 if (val == 1.00) {
946 log_err("fio: zipf theta must different than 1.0\n");
947 return 1;
948 }
949 td->o.zipf_theta.u.f = val;
950 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
951 if (val <= 0.00 || val >= 1.00) {
952 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
953 return 1;
954 }
955 td->o.pareto_h.u.f = val;
956 } else {
957 if (val <= 0.00 || val >= 100.0) {
958 log_err("fio: normal deviation out of range (0 < input < 100.0)\n");
959 return 1;
960 }
961 td->o.gauss_dev.u.f = val;
962 }
963
964 return 0;
965}
966
967/*
968 * Return next name in the string. Files are separated with ':'. If the ':'
969 * is escaped with a '\', then that ':' is part of the filename and does not
970 * indicate a new file.
971 */
972static char *get_next_name(char **ptr)
973{
974 char *str = *ptr;
975 char *p, *start;
976
977 if (!str || !strlen(str))
978 return NULL;
979
980 start = str;
981 do {
982 /*
983 * No colon, we are done
984 */
985 p = strchr(str, ':');
986 if (!p) {
987 *ptr = NULL;
988 break;
989 }
990
991 /*
992 * We got a colon, but it's the first character. Skip and
993 * continue
994 */
995 if (p == start) {
996 str = ++start;
997 continue;
998 }
999
1000 if (*(p - 1) != '\\') {
1001 *p = '\0';
1002 *ptr = p + 1;
1003 break;
1004 }
1005
1006 memmove(p - 1, p, strlen(p) + 1);
1007 str = p;
1008 } while (1);
1009
1010 return start;
1011}
1012
1013
1014static int get_max_name_idx(char *input)
1015{
1016 unsigned int cur_idx;
1017 char *str, *p;
1018
1019 p = str = strdup(input);
1020 for (cur_idx = 0; ; cur_idx++)
1021 if (get_next_name(&str) == NULL)
1022 break;
1023
1024 free(p);
1025 return cur_idx;
1026}
1027
1028/*
1029 * Returns the directory at the index, indexes > entires will be
1030 * assigned via modulo division of the index
1031 */
1032int set_name_idx(char *target, size_t tlen, char *input, int index)
1033{
1034 unsigned int cur_idx;
1035 int len;
1036 char *fname, *str, *p;
1037
1038 p = str = strdup(input);
1039
1040 index %= get_max_name_idx(input);
1041 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1042 fname = get_next_name(&str);
1043
1044 if (client_sockaddr_str[0]) {
1045 len = snprintf(target, tlen, "%s/%s.", fname,
1046 client_sockaddr_str);
1047 } else
1048 len = snprintf(target, tlen, "%s/", fname);
1049
1050 target[tlen - 1] = '\0';
1051 free(p);
1052
1053 return len;
1054}
1055
1056static int str_filename_cb(void *data, const char *input)
1057{
1058 struct thread_data *td = data;
1059 char *fname, *str, *p;
1060
1061 p = str = strdup(input);
1062
1063 strip_blank_front(&str);
1064 strip_blank_end(str);
1065
1066 if (!td->files_index)
1067 td->o.nr_files = 0;
1068
1069 while ((fname = get_next_name(&str)) != NULL) {
1070 if (!strlen(fname))
1071 break;
1072 add_file(td, fname, 0, 1);
1073 }
1074
1075 free(p);
1076 return 0;
1077}
1078
1079static int str_directory_cb(void *data, const char fio_unused *unused)
1080{
1081 struct thread_data *td = data;
1082 struct stat sb;
1083 char *dirname, *str, *p;
1084 int ret = 0;
1085
1086 if (parse_dryrun())
1087 return 0;
1088
1089 p = str = strdup(td->o.directory);
1090 while ((dirname = get_next_name(&str)) != NULL) {
1091 if (lstat(dirname, &sb) < 0) {
1092 ret = errno;
1093
1094 log_err("fio: %s is not a directory\n", dirname);
1095 td_verror(td, ret, "lstat");
1096 goto out;
1097 }
1098 if (!S_ISDIR(sb.st_mode)) {
1099 log_err("fio: %s is not a directory\n", dirname);
1100 ret = 1;
1101 goto out;
1102 }
1103 }
1104
1105out:
1106 free(p);
1107 return ret;
1108}
1109
1110static int str_opendir_cb(void *data, const char fio_unused *str)
1111{
1112 struct thread_data *td = data;
1113
1114 if (parse_dryrun())
1115 return 0;
1116
1117 if (!td->files_index)
1118 td->o.nr_files = 0;
1119
1120 return add_dir_files(td, td->o.opendir);
1121}
1122
1123static int str_buffer_pattern_cb(void *data, const char *input)
1124{
1125 struct thread_data *td = data;
1126 int ret;
1127
1128 /* FIXME: for now buffer pattern does not support formats */
1129 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1130 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1131 if (ret < 0)
1132 return 1;
1133
1134 assert(ret != 0);
1135 td->o.buffer_pattern_bytes = ret;
1136 if (!td->o.compress_percentage)
1137 td->o.refill_buffers = 0;
1138 td->o.scramble_buffers = 0;
1139 td->o.zero_buffers = 0;
1140
1141 return 0;
1142}
1143
1144static int str_buffer_compress_cb(void *data, unsigned long long *il)
1145{
1146 struct thread_data *td = data;
1147
1148 td->flags |= TD_F_COMPRESS;
1149 td->o.compress_percentage = *il;
1150 return 0;
1151}
1152
1153static int str_dedupe_cb(void *data, unsigned long long *il)
1154{
1155 struct thread_data *td = data;
1156
1157 td->flags |= TD_F_COMPRESS;
1158 td->o.dedupe_percentage = *il;
1159 td->o.refill_buffers = 1;
1160 return 0;
1161}
1162
1163static int str_verify_pattern_cb(void *data, const char *input)
1164{
1165 struct pattern_fmt_desc fmt_desc[] = {
1166 {
1167 .fmt = "%o",
1168 .len = FIELD_SIZE(struct io_u *, offset),
1169 .paste = paste_blockoff
1170 }
1171 };
1172 struct thread_data *td = data;
1173 int ret;
1174
1175 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1176 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
1177 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1178 td->o.verify_fmt, &td->o.verify_fmt_sz);
1179 if (ret < 0)
1180 return 1;
1181
1182 assert(ret != 0);
1183 td->o.verify_pattern_bytes = ret;
1184 /*
1185 * VERIFY_* could already be set
1186 */
1187 if (!fio_option_is_set(&td->o, verify))
1188 td->o.verify = VERIFY_PATTERN;
1189
1190 return 0;
1191}
1192
1193static int str_gtod_reduce_cb(void *data, int *il)
1194{
1195 struct thread_data *td = data;
1196 int val = *il;
1197
1198 td->o.disable_lat = !!val;
1199 td->o.disable_clat = !!val;
1200 td->o.disable_slat = !!val;
1201 td->o.disable_bw = !!val;
1202 td->o.clat_percentiles = !val;
1203 if (val)
1204 td->tv_cache_mask = 63;
1205
1206 return 0;
1207}
1208
1209static int str_size_cb(void *data, unsigned long long *__val)
1210{
1211 struct thread_data *td = data;
1212 unsigned long long v = *__val;
1213
1214 if (parse_is_percent(v)) {
1215 td->o.size = 0;
1216 td->o.size_percent = -1ULL - v;
1217 } else
1218 td->o.size = v;
1219
1220 return 0;
1221}
1222
1223static int rw_verify(struct fio_option *o, void *data)
1224{
1225 struct thread_data *td = data;
1226
1227 if (read_only && td_write(td)) {
1228 log_err("fio: job <%s> has write bit set, but fio is in"
1229 " read-only mode\n", td->o.name);
1230 return 1;
1231 }
1232
1233 return 0;
1234}
1235
1236static int gtod_cpu_verify(struct fio_option *o, void *data)
1237{
1238#ifndef FIO_HAVE_CPU_AFFINITY
1239 struct thread_data *td = data;
1240
1241 if (td->o.gtod_cpu) {
1242 log_err("fio: platform must support CPU affinity for"
1243 "gettimeofday() offloading\n");
1244 return 1;
1245 }
1246#endif
1247
1248 return 0;
1249}
1250
1251/*
1252 * Map of job/command line options
1253 */
1254struct fio_option fio_options[FIO_MAX_OPTS] = {
1255 {
1256 .name = "description",
1257 .lname = "Description of job",
1258 .type = FIO_OPT_STR_STORE,
1259 .off1 = td_var_offset(description),
1260 .help = "Text job description",
1261 .category = FIO_OPT_C_GENERAL,
1262 .group = FIO_OPT_G_DESC,
1263 },
1264 {
1265 .name = "name",
1266 .lname = "Job name",
1267 .type = FIO_OPT_STR_STORE,
1268 .off1 = td_var_offset(name),
1269 .help = "Name of this job",
1270 .category = FIO_OPT_C_GENERAL,
1271 .group = FIO_OPT_G_DESC,
1272 },
1273 {
1274 .name = "wait_for",
1275 .lname = "Waitee name",
1276 .type = FIO_OPT_STR_STORE,
1277 .off1 = td_var_offset(wait_for),
1278 .help = "Name of the job this one wants to wait for before starting",
1279 .category = FIO_OPT_C_GENERAL,
1280 .group = FIO_OPT_G_DESC,
1281 },
1282 {
1283 .name = "filename",
1284 .lname = "Filename(s)",
1285 .type = FIO_OPT_STR_STORE,
1286 .off1 = td_var_offset(filename),
1287 .cb = str_filename_cb,
1288 .prio = -1, /* must come after "directory" */
1289 .help = "File(s) to use for the workload",
1290 .category = FIO_OPT_C_FILE,
1291 .group = FIO_OPT_G_FILENAME,
1292 },
1293 {
1294 .name = "directory",
1295 .lname = "Directory",
1296 .type = FIO_OPT_STR_STORE,
1297 .off1 = td_var_offset(directory),
1298 .cb = str_directory_cb,
1299 .help = "Directory to store files in",
1300 .category = FIO_OPT_C_FILE,
1301 .group = FIO_OPT_G_FILENAME,
1302 },
1303 {
1304 .name = "filename_format",
1305 .type = FIO_OPT_STR_STORE,
1306 .off1 = td_var_offset(filename_format),
1307 .prio = -1, /* must come after "directory" */
1308 .help = "Override default $jobname.$jobnum.$filenum naming",
1309 .def = "$jobname.$jobnum.$filenum",
1310 .category = FIO_OPT_C_FILE,
1311 .group = FIO_OPT_G_FILENAME,
1312 },
1313 {
1314 .name = "lockfile",
1315 .lname = "Lockfile",
1316 .type = FIO_OPT_STR,
1317 .off1 = td_var_offset(file_lock_mode),
1318 .help = "Lock file when doing IO to it",
1319 .prio = 1,
1320 .parent = "filename",
1321 .hide = 0,
1322 .def = "none",
1323 .category = FIO_OPT_C_FILE,
1324 .group = FIO_OPT_G_FILENAME,
1325 .posval = {
1326 { .ival = "none",
1327 .oval = FILE_LOCK_NONE,
1328 .help = "No file locking",
1329 },
1330 { .ival = "exclusive",
1331 .oval = FILE_LOCK_EXCLUSIVE,
1332 .help = "Exclusive file lock",
1333 },
1334 {
1335 .ival = "readwrite",
1336 .oval = FILE_LOCK_READWRITE,
1337 .help = "Read vs write lock",
1338 },
1339 },
1340 },
1341 {
1342 .name = "opendir",
1343 .lname = "Open directory",
1344 .type = FIO_OPT_STR_STORE,
1345 .off1 = td_var_offset(opendir),
1346 .cb = str_opendir_cb,
1347 .help = "Recursively add files from this directory and down",
1348 .category = FIO_OPT_C_FILE,
1349 .group = FIO_OPT_G_FILENAME,
1350 },
1351 {
1352 .name = "rw",
1353 .lname = "Read/write",
1354 .alias = "readwrite",
1355 .type = FIO_OPT_STR,
1356 .cb = str_rw_cb,
1357 .off1 = td_var_offset(td_ddir),
1358 .help = "IO direction",
1359 .def = "read",
1360 .verify = rw_verify,
1361 .category = FIO_OPT_C_IO,
1362 .group = FIO_OPT_G_IO_BASIC,
1363 .posval = {
1364 { .ival = "read",
1365 .oval = TD_DDIR_READ,
1366 .help = "Sequential read",
1367 },
1368 { .ival = "write",
1369 .oval = TD_DDIR_WRITE,
1370 .help = "Sequential write",
1371 },
1372 { .ival = "trim",
1373 .oval = TD_DDIR_TRIM,
1374 .help = "Sequential trim",
1375 },
1376 { .ival = "randread",
1377 .oval = TD_DDIR_RANDREAD,
1378 .help = "Random read",
1379 },
1380 { .ival = "randwrite",
1381 .oval = TD_DDIR_RANDWRITE,
1382 .help = "Random write",
1383 },
1384 { .ival = "randtrim",
1385 .oval = TD_DDIR_RANDTRIM,
1386 .help = "Random trim",
1387 },
1388 { .ival = "rw",
1389 .oval = TD_DDIR_RW,
1390 .help = "Sequential read and write mix",
1391 },
1392 { .ival = "readwrite",
1393 .oval = TD_DDIR_RW,
1394 .help = "Sequential read and write mix",
1395 },
1396 { .ival = "randrw",
1397 .oval = TD_DDIR_RANDRW,
1398 .help = "Random read and write mix"
1399 },
1400 { .ival = "trimwrite",
1401 .oval = TD_DDIR_TRIMWRITE,
1402 .help = "Trim and write mix, trims preceding writes"
1403 },
1404 },
1405 },
1406 {
1407 .name = "rw_sequencer",
1408 .lname = "RW Sequencer",
1409 .type = FIO_OPT_STR,
1410 .off1 = td_var_offset(rw_seq),
1411 .help = "IO offset generator modifier",
1412 .def = "sequential",
1413 .category = FIO_OPT_C_IO,
1414 .group = FIO_OPT_G_IO_BASIC,
1415 .posval = {
1416 { .ival = "sequential",
1417 .oval = RW_SEQ_SEQ,
1418 .help = "Generate sequential offsets",
1419 },
1420 { .ival = "identical",
1421 .oval = RW_SEQ_IDENT,
1422 .help = "Generate identical offsets",
1423 },
1424 },
1425 },
1426
1427 {
1428 .name = "ioengine",
1429 .lname = "IO Engine",
1430 .type = FIO_OPT_STR_STORE,
1431 .off1 = td_var_offset(ioengine),
1432 .help = "IO engine to use",
1433 .def = FIO_PREFERRED_ENGINE,
1434 .category = FIO_OPT_C_IO,
1435 .group = FIO_OPT_G_IO_BASIC,
1436 .posval = {
1437 { .ival = "sync",
1438 .help = "Use read/write",
1439 },
1440 { .ival = "psync",
1441 .help = "Use pread/pwrite",
1442 },
1443 { .ival = "vsync",
1444 .help = "Use readv/writev",
1445 },
1446#ifdef CONFIG_PWRITEV
1447 { .ival = "pvsync",
1448 .help = "Use preadv/pwritev",
1449 },
1450#endif
1451#ifdef CONFIG_PWRITEV
1452 { .ival = "pvsync2",
1453 .help = "Use preadv2/pwritev2",
1454 },
1455#endif
1456#ifdef CONFIG_LIBAIO
1457 { .ival = "libaio",
1458 .help = "Linux native asynchronous IO",
1459 },
1460#endif
1461#ifdef CONFIG_POSIXAIO
1462 { .ival = "posixaio",
1463 .help = "POSIX asynchronous IO",
1464 },
1465#endif
1466#ifdef CONFIG_SOLARISAIO
1467 { .ival = "solarisaio",
1468 .help = "Solaris native asynchronous IO",
1469 },
1470#endif
1471#ifdef CONFIG_WINDOWSAIO
1472 { .ival = "windowsaio",
1473 .help = "Windows native asynchronous IO"
1474 },
1475#endif
1476#ifdef CONFIG_RBD
1477 { .ival = "rbd",
1478 .help = "Rados Block Device asynchronous IO"
1479 },
1480#endif
1481 { .ival = "mmap",
1482 .help = "Memory mapped IO"
1483 },
1484#ifdef CONFIG_LINUX_SPLICE
1485 { .ival = "splice",
1486 .help = "splice/vmsplice based IO",
1487 },
1488 { .ival = "netsplice",
1489 .help = "splice/vmsplice to/from the network",
1490 },
1491#endif
1492#ifdef FIO_HAVE_SGIO
1493 { .ival = "sg",
1494 .help = "SCSI generic v3 IO",
1495 },
1496#endif
1497 { .ival = "null",
1498 .help = "Testing engine (no data transfer)",
1499 },
1500 { .ival = "net",
1501 .help = "Network IO",
1502 },
1503 { .ival = "cpuio",
1504 .help = "CPU cycle burner engine",
1505 },
1506#ifdef CONFIG_GUASI
1507 { .ival = "guasi",
1508 .help = "GUASI IO engine",
1509 },
1510#endif
1511#ifdef FIO_HAVE_BINJECT
1512 { .ival = "binject",
1513 .help = "binject direct inject block engine",
1514 },
1515#endif
1516#ifdef CONFIG_RDMA
1517 { .ival = "rdma",
1518 .help = "RDMA IO engine",
1519 },
1520#endif
1521#ifdef CONFIG_FUSION_AW
1522 { .ival = "fusion-aw-sync",
1523 .help = "Fusion-io atomic write engine",
1524 },
1525#endif
1526#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1527 { .ival = "e4defrag",
1528 .help = "ext4 defrag engine",
1529 },
1530#endif
1531#ifdef CONFIG_LINUX_FALLOCATE
1532 { .ival = "falloc",
1533 .help = "fallocate() file based engine",
1534 },
1535#endif
1536#ifdef CONFIG_GFAPI
1537 { .ival = "gfapi",
1538 .help = "Glusterfs libgfapi(sync) based engine"
1539 },
1540 { .ival = "gfapi_async",
1541 .help = "Glusterfs libgfapi(async) based engine"
1542 },
1543#endif
1544#ifdef CONFIG_LIBHDFS
1545 { .ival = "libhdfs",
1546 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1547 },
1548#endif
1549 { .ival = "external",
1550 .help = "Load external engine (append name)",
1551 },
1552 },
1553 },
1554 {
1555 .name = "iodepth",
1556 .lname = "IO Depth",
1557 .type = FIO_OPT_INT,
1558 .off1 = td_var_offset(iodepth),
1559 .help = "Number of IO buffers to keep in flight",
1560 .minval = 1,
1561 .interval = 1,
1562 .def = "1",
1563 .category = FIO_OPT_C_IO,
1564 .group = FIO_OPT_G_IO_BASIC,
1565 },
1566 {
1567 .name = "iodepth_batch",
1568 .lname = "IO Depth batch",
1569 .alias = "iodepth_batch_submit",
1570 .type = FIO_OPT_INT,
1571 .off1 = td_var_offset(iodepth_batch),
1572 .help = "Number of IO buffers to submit in one go",
1573 .parent = "iodepth",
1574 .hide = 1,
1575 .minval = 1,
1576 .interval = 1,
1577 .def = "1",
1578 .category = FIO_OPT_C_IO,
1579 .group = FIO_OPT_G_IO_BASIC,
1580 },
1581 {
1582 .name = "iodepth_batch_complete_min",
1583 .lname = "Min IO depth batch complete",
1584 .alias = "iodepth_batch_complete",
1585 .type = FIO_OPT_INT,
1586 .off1 = td_var_offset(iodepth_batch_complete_min),
1587 .help = "Min number of IO buffers to retrieve in one go",
1588 .parent = "iodepth",
1589 .hide = 1,
1590 .minval = 0,
1591 .interval = 1,
1592 .def = "1",
1593 .category = FIO_OPT_C_IO,
1594 .group = FIO_OPT_G_IO_BASIC,
1595 },
1596 {
1597 .name = "iodepth_batch_complete_max",
1598 .lname = "Max IO depth batch complete",
1599 .type = FIO_OPT_INT,
1600 .off1 = td_var_offset(iodepth_batch_complete_max),
1601 .help = "Max number of IO buffers to retrieve in one go",
1602 .parent = "iodepth",
1603 .hide = 1,
1604 .minval = 0,
1605 .interval = 1,
1606 .category = FIO_OPT_C_IO,
1607 .group = FIO_OPT_G_IO_BASIC,
1608 },
1609 {
1610 .name = "iodepth_low",
1611 .lname = "IO Depth batch low",
1612 .type = FIO_OPT_INT,
1613 .off1 = td_var_offset(iodepth_low),
1614 .help = "Low water mark for queuing depth",
1615 .parent = "iodepth",
1616 .hide = 1,
1617 .interval = 1,
1618 .category = FIO_OPT_C_IO,
1619 .group = FIO_OPT_G_IO_BASIC,
1620 },
1621 {
1622 .name = "io_submit_mode",
1623 .lname = "IO submit mode",
1624 .type = FIO_OPT_STR,
1625 .off1 = td_var_offset(io_submit_mode),
1626 .help = "How IO submissions and completions are done",
1627 .def = "inline",
1628 .category = FIO_OPT_C_IO,
1629 .group = FIO_OPT_G_IO_BASIC,
1630 .posval = {
1631 { .ival = "inline",
1632 .oval = IO_MODE_INLINE,
1633 .help = "Submit and complete IO inline",
1634 },
1635 { .ival = "offload",
1636 .oval = IO_MODE_OFFLOAD,
1637 .help = "Offload submit and complete to threads",
1638 },
1639 },
1640 },
1641 {
1642 .name = "size",
1643 .lname = "Size",
1644 .type = FIO_OPT_STR_VAL,
1645 .cb = str_size_cb,
1646 .off1 = td_var_offset(size),
1647 .help = "Total size of device or files",
1648 .interval = 1024 * 1024,
1649 .category = FIO_OPT_C_IO,
1650 .group = FIO_OPT_G_INVALID,
1651 },
1652 {
1653 .name = "io_size",
1654 .alias = "io_limit",
1655 .lname = "IO Size",
1656 .type = FIO_OPT_STR_VAL,
1657 .off1 = td_var_offset(io_limit),
1658 .interval = 1024 * 1024,
1659 .category = FIO_OPT_C_IO,
1660 .group = FIO_OPT_G_INVALID,
1661 },
1662 {
1663 .name = "fill_device",
1664 .lname = "Fill device",
1665 .alias = "fill_fs",
1666 .type = FIO_OPT_BOOL,
1667 .off1 = td_var_offset(fill_device),
1668 .help = "Write until an ENOSPC error occurs",
1669 .def = "0",
1670 .category = FIO_OPT_C_FILE,
1671 .group = FIO_OPT_G_INVALID,
1672 },
1673 {
1674 .name = "filesize",
1675 .lname = "File size",
1676 .type = FIO_OPT_STR_VAL,
1677 .off1 = td_var_offset(file_size_low),
1678 .off2 = td_var_offset(file_size_high),
1679 .minval = 1,
1680 .help = "Size of individual files",
1681 .interval = 1024 * 1024,
1682 .category = FIO_OPT_C_FILE,
1683 .group = FIO_OPT_G_INVALID,
1684 },
1685 {
1686 .name = "file_append",
1687 .lname = "File append",
1688 .type = FIO_OPT_BOOL,
1689 .off1 = td_var_offset(file_append),
1690 .help = "IO will start at the end of the file(s)",
1691 .def = "0",
1692 .category = FIO_OPT_C_FILE,
1693 .group = FIO_OPT_G_INVALID,
1694 },
1695 {
1696 .name = "offset",
1697 .lname = "IO offset",
1698 .alias = "fileoffset",
1699 .type = FIO_OPT_STR_VAL,
1700 .off1 = td_var_offset(start_offset),
1701 .help = "Start IO from this offset",
1702 .def = "0",
1703 .interval = 1024 * 1024,
1704 .category = FIO_OPT_C_IO,
1705 .group = FIO_OPT_G_INVALID,
1706 },
1707 {
1708 .name = "offset_increment",
1709 .lname = "IO offset increment",
1710 .type = FIO_OPT_STR_VAL,
1711 .off1 = td_var_offset(offset_increment),
1712 .help = "What is the increment from one offset to the next",
1713 .parent = "offset",
1714 .hide = 1,
1715 .def = "0",
1716 .interval = 1024 * 1024,
1717 .category = FIO_OPT_C_IO,
1718 .group = FIO_OPT_G_INVALID,
1719 },
1720 {
1721 .name = "number_ios",
1722 .lname = "Number of IOs to perform",
1723 .type = FIO_OPT_STR_VAL,
1724 .off1 = td_var_offset(number_ios),
1725 .help = "Force job completion after this number of IOs",
1726 .def = "0",
1727 .category = FIO_OPT_C_IO,
1728 .group = FIO_OPT_G_INVALID,
1729 },
1730 {
1731 .name = "bs",
1732 .lname = "Block size",
1733 .alias = "blocksize",
1734 .type = FIO_OPT_INT,
1735 .off1 = td_var_offset(bs[DDIR_READ]),
1736 .off2 = td_var_offset(bs[DDIR_WRITE]),
1737 .off3 = td_var_offset(bs[DDIR_TRIM]),
1738 .minval = 1,
1739 .help = "Block size unit",
1740 .def = "4k",
1741 .parent = "rw",
1742 .hide = 1,
1743 .interval = 512,
1744 .category = FIO_OPT_C_IO,
1745 .group = FIO_OPT_G_INVALID,
1746 },
1747 {
1748 .name = "ba",
1749 .lname = "Block size align",
1750 .alias = "blockalign",
1751 .type = FIO_OPT_INT,
1752 .off1 = td_var_offset(ba[DDIR_READ]),
1753 .off2 = td_var_offset(ba[DDIR_WRITE]),
1754 .off3 = td_var_offset(ba[DDIR_TRIM]),
1755 .minval = 1,
1756 .help = "IO block offset alignment",
1757 .parent = "rw",
1758 .hide = 1,
1759 .interval = 512,
1760 .category = FIO_OPT_C_IO,
1761 .group = FIO_OPT_G_INVALID,
1762 },
1763 {
1764 .name = "bsrange",
1765 .lname = "Block size range",
1766 .alias = "blocksize_range",
1767 .type = FIO_OPT_RANGE,
1768 .off1 = td_var_offset(min_bs[DDIR_READ]),
1769 .off2 = td_var_offset(max_bs[DDIR_READ]),
1770 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1771 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1772 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1773 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1774 .minval = 1,
1775 .help = "Set block size range (in more detail than bs)",
1776 .parent = "rw",
1777 .hide = 1,
1778 .interval = 4096,
1779 .category = FIO_OPT_C_IO,
1780 .group = FIO_OPT_G_INVALID,
1781 },
1782 {
1783 .name = "bssplit",
1784 .lname = "Block size split",
1785 .type = FIO_OPT_STR,
1786 .cb = str_bssplit_cb,
1787 .off1 = td_var_offset(bssplit),
1788 .help = "Set a specific mix of block sizes",
1789 .parent = "rw",
1790 .hide = 1,
1791 .category = FIO_OPT_C_IO,
1792 .group = FIO_OPT_G_INVALID,
1793 },
1794 {
1795 .name = "bs_unaligned",
1796 .lname = "Block size unaligned",
1797 .alias = "blocksize_unaligned",
1798 .type = FIO_OPT_STR_SET,
1799 .off1 = td_var_offset(bs_unaligned),
1800 .help = "Don't sector align IO buffer sizes",
1801 .parent = "rw",
1802 .hide = 1,
1803 .category = FIO_OPT_C_IO,
1804 .group = FIO_OPT_G_INVALID,
1805 },
1806 {
1807 .name = "bs_is_seq_rand",
1808 .lname = "Block size division is seq/random (not read/write)",
1809 .type = FIO_OPT_BOOL,
1810 .off1 = td_var_offset(bs_is_seq_rand),
1811 .help = "Consider any blocksize setting to be sequential,random",
1812 .def = "0",
1813 .parent = "blocksize",
1814 .category = FIO_OPT_C_IO,
1815 .group = FIO_OPT_G_INVALID,
1816 },
1817 {
1818 .name = "randrepeat",
1819 .lname = "Random repeatable",
1820 .type = FIO_OPT_BOOL,
1821 .off1 = td_var_offset(rand_repeatable),
1822 .help = "Use repeatable random IO pattern",
1823 .def = "1",
1824 .parent = "rw",
1825 .hide = 1,
1826 .category = FIO_OPT_C_IO,
1827 .group = FIO_OPT_G_RANDOM,
1828 },
1829 {
1830 .name = "randseed",
1831 .lname = "The random generator seed",
1832 .type = FIO_OPT_STR_VAL,
1833 .off1 = td_var_offset(rand_seed),
1834 .help = "Set the random generator seed value",
1835 .def = "0x89",
1836 .parent = "rw",
1837 .category = FIO_OPT_C_IO,
1838 .group = FIO_OPT_G_RANDOM,
1839 },
1840 {
1841 .name = "use_os_rand",
1842 .lname = "Use OS random",
1843 .type = FIO_OPT_DEPRECATED,
1844 .off1 = td_var_offset(dep_use_os_rand),
1845 .category = FIO_OPT_C_IO,
1846 .group = FIO_OPT_G_RANDOM,
1847 },
1848 {
1849 .name = "norandommap",
1850 .lname = "No randommap",
1851 .type = FIO_OPT_STR_SET,
1852 .off1 = td_var_offset(norandommap),
1853 .help = "Accept potential duplicate random blocks",
1854 .parent = "rw",
1855 .hide = 1,
1856 .hide_on_set = 1,
1857 .category = FIO_OPT_C_IO,
1858 .group = FIO_OPT_G_RANDOM,
1859 },
1860 {
1861 .name = "softrandommap",
1862 .lname = "Soft randommap",
1863 .type = FIO_OPT_BOOL,
1864 .off1 = td_var_offset(softrandommap),
1865 .help = "Set norandommap if randommap allocation fails",
1866 .parent = "norandommap",
1867 .hide = 1,
1868 .def = "0",
1869 .category = FIO_OPT_C_IO,
1870 .group = FIO_OPT_G_RANDOM,
1871 },
1872 {
1873 .name = "random_generator",
1874 .type = FIO_OPT_STR,
1875 .off1 = td_var_offset(random_generator),
1876 .help = "Type of random number generator to use",
1877 .def = "tausworthe",
1878 .posval = {
1879 { .ival = "tausworthe",
1880 .oval = FIO_RAND_GEN_TAUSWORTHE,
1881 .help = "Strong Tausworthe generator",
1882 },
1883 { .ival = "lfsr",
1884 .oval = FIO_RAND_GEN_LFSR,
1885 .help = "Variable length LFSR",
1886 },
1887 {
1888 .ival = "tausworthe64",
1889 .oval = FIO_RAND_GEN_TAUSWORTHE64,
1890 .help = "64-bit Tausworthe variant",
1891 },
1892 },
1893 .category = FIO_OPT_C_IO,
1894 .group = FIO_OPT_G_RANDOM,
1895 },
1896 {
1897 .name = "random_distribution",
1898 .type = FIO_OPT_STR,
1899 .off1 = td_var_offset(random_distribution),
1900 .cb = str_random_distribution_cb,
1901 .help = "Random offset distribution generator",
1902 .def = "random",
1903 .posval = {
1904 { .ival = "random",
1905 .oval = FIO_RAND_DIST_RANDOM,
1906 .help = "Completely random",
1907 },
1908 { .ival = "zipf",
1909 .oval = FIO_RAND_DIST_ZIPF,
1910 .help = "Zipf distribution",
1911 },
1912 { .ival = "pareto",
1913 .oval = FIO_RAND_DIST_PARETO,
1914 .help = "Pareto distribution",
1915 },
1916 { .ival = "normal",
1917 .oval = FIO_RAND_DIST_GAUSS,
1918 .help = "Normal (gaussian) distribution",
1919 },
1920 { .ival = "zoned",
1921 .oval = FIO_RAND_DIST_ZONED,
1922 .help = "Zoned random distribution",
1923 },
1924
1925 },
1926 .category = FIO_OPT_C_IO,
1927 .group = FIO_OPT_G_RANDOM,
1928 },
1929 {
1930 .name = "percentage_random",
1931 .lname = "Percentage Random",
1932 .type = FIO_OPT_INT,
1933 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1934 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1935 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
1936 .maxval = 100,
1937 .help = "Percentage of seq/random mix that should be random",
1938 .def = "100,100,100",
1939 .interval = 5,
1940 .inverse = "percentage_sequential",
1941 .category = FIO_OPT_C_IO,
1942 .group = FIO_OPT_G_RANDOM,
1943 },
1944 {
1945 .name = "percentage_sequential",
1946 .lname = "Percentage Sequential",
1947 .type = FIO_OPT_DEPRECATED,
1948 .category = FIO_OPT_C_IO,
1949 .group = FIO_OPT_G_RANDOM,
1950 },
1951 {
1952 .name = "allrandrepeat",
1953 .type = FIO_OPT_BOOL,
1954 .off1 = td_var_offset(allrand_repeatable),
1955 .help = "Use repeatable random numbers for everything",
1956 .def = "0",
1957 .category = FIO_OPT_C_IO,
1958 .group = FIO_OPT_G_RANDOM,
1959 },
1960 {
1961 .name = "nrfiles",
1962 .lname = "Number of files",
1963 .alias = "nr_files",
1964 .type = FIO_OPT_INT,
1965 .off1 = td_var_offset(nr_files),
1966 .help = "Split job workload between this number of files",
1967 .def = "1",
1968 .interval = 1,
1969 .category = FIO_OPT_C_FILE,
1970 .group = FIO_OPT_G_INVALID,
1971 },
1972 {
1973 .name = "openfiles",
1974 .lname = "Number of open files",
1975 .type = FIO_OPT_INT,
1976 .off1 = td_var_offset(open_files),
1977 .help = "Number of files to keep open at the same time",
1978 .category = FIO_OPT_C_FILE,
1979 .group = FIO_OPT_G_INVALID,
1980 },
1981 {
1982 .name = "file_service_type",
1983 .lname = "File service type",
1984 .type = FIO_OPT_STR,
1985 .cb = str_fst_cb,
1986 .off1 = td_var_offset(file_service_type),
1987 .help = "How to select which file to service next",
1988 .def = "roundrobin",
1989 .category = FIO_OPT_C_FILE,
1990 .group = FIO_OPT_G_INVALID,
1991 .posval = {
1992 { .ival = "random",
1993 .oval = FIO_FSERVICE_RANDOM,
1994 .help = "Choose a file at random",
1995 },
1996 { .ival = "roundrobin",
1997 .oval = FIO_FSERVICE_RR,
1998 .help = "Round robin select files",
1999 },
2000 { .ival = "sequential",
2001 .oval = FIO_FSERVICE_SEQ,
2002 .help = "Finish one file before moving to the next",
2003 },
2004 },
2005 .parent = "nrfiles",
2006 .hide = 1,
2007 },
2008#ifdef CONFIG_POSIX_FALLOCATE
2009 {
2010 .name = "fallocate",
2011 .lname = "Fallocate",
2012 .type = FIO_OPT_STR,
2013 .off1 = td_var_offset(fallocate_mode),
2014 .help = "Whether pre-allocation is performed when laying out files",
2015 .def = "posix",
2016 .category = FIO_OPT_C_FILE,
2017 .group = FIO_OPT_G_INVALID,
2018 .posval = {
2019 { .ival = "none",
2020 .oval = FIO_FALLOCATE_NONE,
2021 .help = "Do not pre-allocate space",
2022 },
2023 { .ival = "posix",
2024 .oval = FIO_FALLOCATE_POSIX,
2025 .help = "Use posix_fallocate()",
2026 },
2027#ifdef CONFIG_LINUX_FALLOCATE
2028 { .ival = "keep",
2029 .oval = FIO_FALLOCATE_KEEP_SIZE,
2030 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2031 },
2032#endif
2033 /* Compatibility with former boolean values */
2034 { .ival = "0",
2035 .oval = FIO_FALLOCATE_NONE,
2036 .help = "Alias for 'none'",
2037 },
2038 { .ival = "1",
2039 .oval = FIO_FALLOCATE_POSIX,
2040 .help = "Alias for 'posix'",
2041 },
2042 },
2043 },
2044#endif /* CONFIG_POSIX_FALLOCATE */
2045 {
2046 .name = "fadvise_hint",
2047 .lname = "Fadvise hint",
2048 .type = FIO_OPT_BOOL,
2049 .off1 = td_var_offset(fadvise_hint),
2050 .help = "Use fadvise() to advise the kernel on IO pattern",
2051 .def = "1",
2052 .category = FIO_OPT_C_FILE,
2053 .group = FIO_OPT_G_INVALID,
2054 },
2055#ifdef FIO_HAVE_STREAMID
2056 {
2057 .name = "fadvise_stream",
2058 .lname = "Fadvise stream",
2059 .type = FIO_OPT_INT,
2060 .off1 = td_var_offset(fadvise_stream),
2061 .help = "Use fadvise() to set stream ID",
2062 .category = FIO_OPT_C_FILE,
2063 .group = FIO_OPT_G_INVALID,
2064 },
2065#endif
2066 {
2067 .name = "fsync",
2068 .lname = "Fsync",
2069 .type = FIO_OPT_INT,
2070 .off1 = td_var_offset(fsync_blocks),
2071 .help = "Issue fsync for writes every given number of blocks",
2072 .def = "0",
2073 .interval = 1,
2074 .category = FIO_OPT_C_FILE,
2075 .group = FIO_OPT_G_INVALID,
2076 },
2077 {
2078 .name = "fdatasync",
2079 .lname = "Fdatasync",
2080 .type = FIO_OPT_INT,
2081 .off1 = td_var_offset(fdatasync_blocks),
2082 .help = "Issue fdatasync for writes every given number of blocks",
2083 .def = "0",
2084 .interval = 1,
2085 .category = FIO_OPT_C_FILE,
2086 .group = FIO_OPT_G_INVALID,
2087 },
2088 {
2089 .name = "write_barrier",
2090 .lname = "Write barrier",
2091 .type = FIO_OPT_INT,
2092 .off1 = td_var_offset(barrier_blocks),
2093 .help = "Make every Nth write a barrier write",
2094 .def = "0",
2095 .interval = 1,
2096 .category = FIO_OPT_C_IO,
2097 .group = FIO_OPT_G_INVALID,
2098 },
2099#ifdef CONFIG_SYNC_FILE_RANGE
2100 {
2101 .name = "sync_file_range",
2102 .lname = "Sync file range",
2103 .posval = {
2104 { .ival = "wait_before",
2105 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2106 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
2107 .orval = 1,
2108 },
2109 { .ival = "write",
2110 .oval = SYNC_FILE_RANGE_WRITE,
2111 .help = "SYNC_FILE_RANGE_WRITE",
2112 .orval = 1,
2113 },
2114 {
2115 .ival = "wait_after",
2116 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2117 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
2118 .orval = 1,
2119 },
2120 },
2121 .type = FIO_OPT_STR_MULTI,
2122 .cb = str_sfr_cb,
2123 .off1 = td_var_offset(sync_file_range),
2124 .help = "Use sync_file_range()",
2125 .category = FIO_OPT_C_FILE,
2126 .group = FIO_OPT_G_INVALID,
2127 },
2128#endif
2129 {
2130 .name = "direct",
2131 .lname = "Direct I/O",
2132 .type = FIO_OPT_BOOL,
2133 .off1 = td_var_offset(odirect),
2134 .help = "Use O_DIRECT IO (negates buffered)",
2135 .def = "0",
2136 .inverse = "buffered",
2137 .category = FIO_OPT_C_IO,
2138 .group = FIO_OPT_G_IO_TYPE,
2139 },
2140 {
2141 .name = "atomic",
2142 .lname = "Atomic I/O",
2143 .type = FIO_OPT_BOOL,
2144 .off1 = td_var_offset(oatomic),
2145 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2146 .def = "0",
2147 .category = FIO_OPT_C_IO,
2148 .group = FIO_OPT_G_IO_TYPE,
2149 },
2150 {
2151 .name = "buffered",
2152 .lname = "Buffered I/O",
2153 .type = FIO_OPT_BOOL,
2154 .off1 = td_var_offset(odirect),
2155 .neg = 1,
2156 .help = "Use buffered IO (negates direct)",
2157 .def = "1",
2158 .inverse = "direct",
2159 .category = FIO_OPT_C_IO,
2160 .group = FIO_OPT_G_IO_TYPE,
2161 },
2162 {
2163 .name = "overwrite",
2164 .lname = "Overwrite",
2165 .type = FIO_OPT_BOOL,
2166 .off1 = td_var_offset(overwrite),
2167 .help = "When writing, set whether to overwrite current data",
2168 .def = "0",
2169 .category = FIO_OPT_C_FILE,
2170 .group = FIO_OPT_G_INVALID,
2171 },
2172 {
2173 .name = "loops",
2174 .lname = "Loops",
2175 .type = FIO_OPT_INT,
2176 .off1 = td_var_offset(loops),
2177 .help = "Number of times to run the job",
2178 .def = "1",
2179 .interval = 1,
2180 .category = FIO_OPT_C_GENERAL,
2181 .group = FIO_OPT_G_RUNTIME,
2182 },
2183 {
2184 .name = "numjobs",
2185 .lname = "Number of jobs",
2186 .type = FIO_OPT_INT,
2187 .off1 = td_var_offset(numjobs),
2188 .help = "Duplicate this job this many times",
2189 .def = "1",
2190 .interval = 1,
2191 .category = FIO_OPT_C_GENERAL,
2192 .group = FIO_OPT_G_RUNTIME,
2193 },
2194 {
2195 .name = "startdelay",
2196 .lname = "Start delay",
2197 .type = FIO_OPT_STR_VAL_TIME,
2198 .off1 = td_var_offset(start_delay),
2199 .off2 = td_var_offset(start_delay_high),
2200 .help = "Only start job when this period has passed",
2201 .def = "0",
2202 .is_seconds = 1,
2203 .is_time = 1,
2204 .category = FIO_OPT_C_GENERAL,
2205 .group = FIO_OPT_G_RUNTIME,
2206 },
2207 {
2208 .name = "runtime",
2209 .lname = "Runtime",
2210 .alias = "timeout",
2211 .type = FIO_OPT_STR_VAL_TIME,
2212 .off1 = td_var_offset(timeout),
2213 .help = "Stop workload when this amount of time 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 = "time_based",
2222 .lname = "Time based",
2223 .type = FIO_OPT_STR_SET,
2224 .off1 = td_var_offset(time_based),
2225 .help = "Keep running until runtime/timeout is met",
2226 .category = FIO_OPT_C_GENERAL,
2227 .group = FIO_OPT_G_RUNTIME,
2228 },
2229 {
2230 .name = "verify_only",
2231 .lname = "Verify only",
2232 .type = FIO_OPT_STR_SET,
2233 .off1 = td_var_offset(verify_only),
2234 .help = "Verifies previously written data is still valid",
2235 .category = FIO_OPT_C_GENERAL,
2236 .group = FIO_OPT_G_RUNTIME,
2237 },
2238 {
2239 .name = "ramp_time",
2240 .lname = "Ramp time",
2241 .type = FIO_OPT_STR_VAL_TIME,
2242 .off1 = td_var_offset(ramp_time),
2243 .help = "Ramp up time before measuring performance",
2244 .is_seconds = 1,
2245 .is_time = 1,
2246 .category = FIO_OPT_C_GENERAL,
2247 .group = FIO_OPT_G_RUNTIME,
2248 },
2249 {
2250 .name = "clocksource",
2251 .lname = "Clock source",
2252 .type = FIO_OPT_STR,
2253 .cb = fio_clock_source_cb,
2254 .off1 = td_var_offset(clocksource),
2255 .help = "What type of timing source to use",
2256 .category = FIO_OPT_C_GENERAL,
2257 .group = FIO_OPT_G_CLOCK,
2258 .posval = {
2259#ifdef CONFIG_GETTIMEOFDAY
2260 { .ival = "gettimeofday",
2261 .oval = CS_GTOD,
2262 .help = "Use gettimeofday(2) for timing",
2263 },
2264#endif
2265#ifdef CONFIG_CLOCK_GETTIME
2266 { .ival = "clock_gettime",
2267 .oval = CS_CGETTIME,
2268 .help = "Use clock_gettime(2) for timing",
2269 },
2270#endif
2271#ifdef ARCH_HAVE_CPU_CLOCK
2272 { .ival = "cpu",
2273 .oval = CS_CPUCLOCK,
2274 .help = "Use CPU private clock",
2275 },
2276#endif
2277 },
2278 },
2279 {
2280 .name = "mem",
2281 .alias = "iomem",
2282 .lname = "I/O Memory",
2283 .type = FIO_OPT_STR,
2284 .cb = str_mem_cb,
2285 .off1 = td_var_offset(mem_type),
2286 .help = "Backing type for IO buffers",
2287 .def = "malloc",
2288 .category = FIO_OPT_C_IO,
2289 .group = FIO_OPT_G_INVALID,
2290 .posval = {
2291 { .ival = "malloc",
2292 .oval = MEM_MALLOC,
2293 .help = "Use malloc(3) for IO buffers",
2294 },
2295#ifndef CONFIG_NO_SHM
2296 { .ival = "shm",
2297 .oval = MEM_SHM,
2298 .help = "Use shared memory segments for IO buffers",
2299 },
2300#ifdef FIO_HAVE_HUGETLB
2301 { .ival = "shmhuge",
2302 .oval = MEM_SHMHUGE,
2303 .help = "Like shm, but use huge pages",
2304 },
2305#endif
2306#endif
2307 { .ival = "mmap",
2308 .oval = MEM_MMAP,
2309 .help = "Use mmap(2) (file or anon) for IO buffers",
2310 },
2311 { .ival = "mmapshared",
2312 .oval = MEM_MMAPSHARED,
2313 .help = "Like mmap, but use the shared flag",
2314 },
2315#ifdef FIO_HAVE_HUGETLB
2316 { .ival = "mmaphuge",
2317 .oval = MEM_MMAPHUGE,
2318 .help = "Like mmap, but use huge pages",
2319 },
2320#endif
2321 },
2322 },
2323 {
2324 .name = "iomem_align",
2325 .alias = "mem_align",
2326 .lname = "I/O memory alignment",
2327 .type = FIO_OPT_INT,
2328 .off1 = td_var_offset(mem_align),
2329 .minval = 0,
2330 .help = "IO memory buffer offset alignment",
2331 .def = "0",
2332 .parent = "iomem",
2333 .hide = 1,
2334 .category = FIO_OPT_C_IO,
2335 .group = FIO_OPT_G_INVALID,
2336 },
2337 {
2338 .name = "verify",
2339 .lname = "Verify",
2340 .type = FIO_OPT_STR,
2341 .off1 = td_var_offset(verify),
2342 .help = "Verify data written",
2343 .def = "0",
2344 .category = FIO_OPT_C_IO,
2345 .group = FIO_OPT_G_VERIFY,
2346 .posval = {
2347 { .ival = "0",
2348 .oval = VERIFY_NONE,
2349 .help = "Don't do IO verification",
2350 },
2351 { .ival = "md5",
2352 .oval = VERIFY_MD5,
2353 .help = "Use md5 checksums for verification",
2354 },
2355 { .ival = "crc64",
2356 .oval = VERIFY_CRC64,
2357 .help = "Use crc64 checksums for verification",
2358 },
2359 { .ival = "crc32",
2360 .oval = VERIFY_CRC32,
2361 .help = "Use crc32 checksums for verification",
2362 },
2363 { .ival = "crc32c-intel",
2364 .oval = VERIFY_CRC32C,
2365 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2366 },
2367 { .ival = "crc32c",
2368 .oval = VERIFY_CRC32C,
2369 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2370 },
2371 { .ival = "crc16",
2372 .oval = VERIFY_CRC16,
2373 .help = "Use crc16 checksums for verification",
2374 },
2375 { .ival = "crc7",
2376 .oval = VERIFY_CRC7,
2377 .help = "Use crc7 checksums for verification",
2378 },
2379 { .ival = "sha1",
2380 .oval = VERIFY_SHA1,
2381 .help = "Use sha1 checksums for verification",
2382 },
2383 { .ival = "sha256",
2384 .oval = VERIFY_SHA256,
2385 .help = "Use sha256 checksums for verification",
2386 },
2387 { .ival = "sha512",
2388 .oval = VERIFY_SHA512,
2389 .help = "Use sha512 checksums for verification",
2390 },
2391 { .ival = "xxhash",
2392 .oval = VERIFY_XXHASH,
2393 .help = "Use xxhash checksums for verification",
2394 },
2395 /* Meta information was included into verify_header,
2396 * 'meta' verification is implied by default. */
2397 { .ival = "meta",
2398 .oval = VERIFY_HDR_ONLY,
2399 .help = "Use io information for verification. "
2400 "Now is implied by default, thus option is obsolete, "
2401 "don't use it",
2402 },
2403 { .ival = "pattern",
2404 .oval = VERIFY_PATTERN_NO_HDR,
2405 .help = "Verify strict pattern",
2406 },
2407 {
2408 .ival = "null",
2409 .oval = VERIFY_NULL,
2410 .help = "Pretend to verify",
2411 },
2412 },
2413 },
2414 {
2415 .name = "do_verify",
2416 .lname = "Perform verify step",
2417 .type = FIO_OPT_BOOL,
2418 .off1 = td_var_offset(do_verify),
2419 .help = "Run verification stage after write",
2420 .def = "1",
2421 .parent = "verify",
2422 .hide = 1,
2423 .category = FIO_OPT_C_IO,
2424 .group = FIO_OPT_G_VERIFY,
2425 },
2426 {
2427 .name = "verifysort",
2428 .lname = "Verify sort",
2429 .type = FIO_OPT_BOOL,
2430 .off1 = td_var_offset(verifysort),
2431 .help = "Sort written verify blocks for read back",
2432 .def = "1",
2433 .parent = "verify",
2434 .hide = 1,
2435 .category = FIO_OPT_C_IO,
2436 .group = FIO_OPT_G_VERIFY,
2437 },
2438 {
2439 .name = "verifysort_nr",
2440 .type = FIO_OPT_INT,
2441 .off1 = td_var_offset(verifysort_nr),
2442 .help = "Pre-load and sort verify blocks for a read workload",
2443 .minval = 0,
2444 .maxval = 131072,
2445 .def = "1024",
2446 .parent = "verify",
2447 .category = FIO_OPT_C_IO,
2448 .group = FIO_OPT_G_VERIFY,
2449 },
2450 {
2451 .name = "verify_interval",
2452 .lname = "Verify interval",
2453 .type = FIO_OPT_INT,
2454 .off1 = td_var_offset(verify_interval),
2455 .minval = 2 * sizeof(struct verify_header),
2456 .help = "Store verify buffer header every N bytes",
2457 .parent = "verify",
2458 .hide = 1,
2459 .interval = 2 * sizeof(struct verify_header),
2460 .category = FIO_OPT_C_IO,
2461 .group = FIO_OPT_G_VERIFY,
2462 },
2463 {
2464 .name = "verify_offset",
2465 .lname = "Verify offset",
2466 .type = FIO_OPT_INT,
2467 .help = "Offset verify header location by N bytes",
2468 .off1 = td_var_offset(verify_offset),
2469 .minval = sizeof(struct verify_header),
2470 .parent = "verify",
2471 .hide = 1,
2472 .category = FIO_OPT_C_IO,
2473 .group = FIO_OPT_G_VERIFY,
2474 },
2475 {
2476 .name = "verify_pattern",
2477 .lname = "Verify pattern",
2478 .type = FIO_OPT_STR,
2479 .cb = str_verify_pattern_cb,
2480 .off1 = td_var_offset(verify_pattern),
2481 .help = "Fill pattern for IO buffers",
2482 .parent = "verify",
2483 .hide = 1,
2484 .category = FIO_OPT_C_IO,
2485 .group = FIO_OPT_G_VERIFY,
2486 },
2487 {
2488 .name = "verify_fatal",
2489 .lname = "Verify fatal",
2490 .type = FIO_OPT_BOOL,
2491 .off1 = td_var_offset(verify_fatal),
2492 .def = "0",
2493 .help = "Exit on a single verify failure, don't continue",
2494 .parent = "verify",
2495 .hide = 1,
2496 .category = FIO_OPT_C_IO,
2497 .group = FIO_OPT_G_VERIFY,
2498 },
2499 {
2500 .name = "verify_dump",
2501 .lname = "Verify dump",
2502 .type = FIO_OPT_BOOL,
2503 .off1 = td_var_offset(verify_dump),
2504 .def = "0",
2505 .help = "Dump contents of good and bad blocks on failure",
2506 .parent = "verify",
2507 .hide = 1,
2508 .category = FIO_OPT_C_IO,
2509 .group = FIO_OPT_G_VERIFY,
2510 },
2511 {
2512 .name = "verify_async",
2513 .lname = "Verify asynchronously",
2514 .type = FIO_OPT_INT,
2515 .off1 = td_var_offset(verify_async),
2516 .def = "0",
2517 .help = "Number of async verifier threads to use",
2518 .parent = "verify",
2519 .hide = 1,
2520 .category = FIO_OPT_C_IO,
2521 .group = FIO_OPT_G_VERIFY,
2522 },
2523 {
2524 .name = "verify_backlog",
2525 .lname = "Verify backlog",
2526 .type = FIO_OPT_STR_VAL,
2527 .off1 = td_var_offset(verify_backlog),
2528 .help = "Verify after this number of blocks are written",
2529 .parent = "verify",
2530 .hide = 1,
2531 .category = FIO_OPT_C_IO,
2532 .group = FIO_OPT_G_VERIFY,
2533 },
2534 {
2535 .name = "verify_backlog_batch",
2536 .lname = "Verify backlog batch",
2537 .type = FIO_OPT_INT,
2538 .off1 = td_var_offset(verify_batch),
2539 .help = "Verify this number of IO blocks",
2540 .parent = "verify",
2541 .hide = 1,
2542 .category = FIO_OPT_C_IO,
2543 .group = FIO_OPT_G_VERIFY,
2544 },
2545#ifdef FIO_HAVE_CPU_AFFINITY
2546 {
2547 .name = "verify_async_cpus",
2548 .lname = "Async verify CPUs",
2549 .type = FIO_OPT_STR,
2550 .cb = str_verify_cpus_allowed_cb,
2551 .off1 = td_var_offset(verify_cpumask),
2552 .help = "Set CPUs allowed for async verify threads",
2553 .parent = "verify_async",
2554 .hide = 1,
2555 .category = FIO_OPT_C_IO,
2556 .group = FIO_OPT_G_VERIFY,
2557 },
2558#endif
2559 {
2560 .name = "experimental_verify",
2561 .off1 = td_var_offset(experimental_verify),
2562 .type = FIO_OPT_BOOL,
2563 .help = "Enable experimental verification",
2564 .parent = "verify",
2565 .category = FIO_OPT_C_IO,
2566 .group = FIO_OPT_G_VERIFY,
2567 },
2568 {
2569 .name = "verify_state_load",
2570 .lname = "Load verify state",
2571 .off1 = td_var_offset(verify_state),
2572 .type = FIO_OPT_BOOL,
2573 .help = "Load verify termination state",
2574 .parent = "verify",
2575 .category = FIO_OPT_C_IO,
2576 .group = FIO_OPT_G_VERIFY,
2577 },
2578 {
2579 .name = "verify_state_save",
2580 .lname = "Save verify state",
2581 .off1 = td_var_offset(verify_state_save),
2582 .type = FIO_OPT_BOOL,
2583 .def = "1",
2584 .help = "Save verify state on termination",
2585 .parent = "verify",
2586 .category = FIO_OPT_C_IO,
2587 .group = FIO_OPT_G_VERIFY,
2588 },
2589#ifdef FIO_HAVE_TRIM
2590 {
2591 .name = "trim_percentage",
2592 .lname = "Trim percentage",
2593 .type = FIO_OPT_INT,
2594 .off1 = td_var_offset(trim_percentage),
2595 .minval = 0,
2596 .maxval = 100,
2597 .help = "Number of verify blocks to discard/trim",
2598 .parent = "verify",
2599 .def = "0",
2600 .interval = 1,
2601 .hide = 1,
2602 .category = FIO_OPT_C_IO,
2603 .group = FIO_OPT_G_TRIM,
2604 },
2605 {
2606 .name = "trim_verify_zero",
2607 .lname = "Verify trim zero",
2608 .type = FIO_OPT_BOOL,
2609 .help = "Verify that trim/discarded blocks are returned as zeroes",
2610 .off1 = td_var_offset(trim_zero),
2611 .parent = "trim_percentage",
2612 .hide = 1,
2613 .def = "1",
2614 .category = FIO_OPT_C_IO,
2615 .group = FIO_OPT_G_TRIM,
2616 },
2617 {
2618 .name = "trim_backlog",
2619 .lname = "Trim backlog",
2620 .type = FIO_OPT_STR_VAL,
2621 .off1 = td_var_offset(trim_backlog),
2622 .help = "Trim after this number of blocks are written",
2623 .parent = "trim_percentage",
2624 .hide = 1,
2625 .interval = 1,
2626 .category = FIO_OPT_C_IO,
2627 .group = FIO_OPT_G_TRIM,
2628 },
2629 {
2630 .name = "trim_backlog_batch",
2631 .lname = "Trim backlog batch",
2632 .type = FIO_OPT_INT,
2633 .off1 = td_var_offset(trim_batch),
2634 .help = "Trim this number of IO blocks",
2635 .parent = "trim_percentage",
2636 .hide = 1,
2637 .interval = 1,
2638 .category = FIO_OPT_C_IO,
2639 .group = FIO_OPT_G_TRIM,
2640 },
2641#endif
2642 {
2643 .name = "write_iolog",
2644 .lname = "Write I/O log",
2645 .type = FIO_OPT_STR_STORE,
2646 .off1 = td_var_offset(write_iolog_file),
2647 .help = "Store IO pattern to file",
2648 .category = FIO_OPT_C_IO,
2649 .group = FIO_OPT_G_IOLOG,
2650 },
2651 {
2652 .name = "read_iolog",
2653 .lname = "Read I/O log",
2654 .type = FIO_OPT_STR_STORE,
2655 .off1 = td_var_offset(read_iolog_file),
2656 .help = "Playback IO pattern from file",
2657 .category = FIO_OPT_C_IO,
2658 .group = FIO_OPT_G_IOLOG,
2659 },
2660 {
2661 .name = "replay_no_stall",
2662 .lname = "Don't stall on replay",
2663 .type = FIO_OPT_BOOL,
2664 .off1 = td_var_offset(no_stall),
2665 .def = "0",
2666 .parent = "read_iolog",
2667 .hide = 1,
2668 .help = "Playback IO pattern file as fast as possible without stalls",
2669 .category = FIO_OPT_C_IO,
2670 .group = FIO_OPT_G_IOLOG,
2671 },
2672 {
2673 .name = "replay_redirect",
2674 .lname = "Redirect device for replay",
2675 .type = FIO_OPT_STR_STORE,
2676 .off1 = td_var_offset(replay_redirect),
2677 .parent = "read_iolog",
2678 .hide = 1,
2679 .help = "Replay all I/O onto this device, regardless of trace device",
2680 .category = FIO_OPT_C_IO,
2681 .group = FIO_OPT_G_IOLOG,
2682 },
2683 {
2684 .name = "replay_scale",
2685 .lname = "Replace offset scale factor",
2686 .type = FIO_OPT_INT,
2687 .off1 = td_var_offset(replay_scale),
2688 .parent = "read_iolog",
2689 .def = "1",
2690 .help = "Align offsets to this blocksize",
2691 .category = FIO_OPT_C_IO,
2692 .group = FIO_OPT_G_IOLOG,
2693 },
2694 {
2695 .name = "replay_align",
2696 .lname = "Replace alignment",
2697 .type = FIO_OPT_INT,
2698 .off1 = td_var_offset(replay_align),
2699 .parent = "read_iolog",
2700 .help = "Scale offset down by this factor",
2701 .category = FIO_OPT_C_IO,
2702 .group = FIO_OPT_G_IOLOG,
2703 .pow2 = 1,
2704 },
2705 {
2706 .name = "exec_prerun",
2707 .lname = "Pre-execute runnable",
2708 .type = FIO_OPT_STR_STORE,
2709 .off1 = td_var_offset(exec_prerun),
2710 .help = "Execute this file prior to running job",
2711 .category = FIO_OPT_C_GENERAL,
2712 .group = FIO_OPT_G_INVALID,
2713 },
2714 {
2715 .name = "exec_postrun",
2716 .lname = "Post-execute runnable",
2717 .type = FIO_OPT_STR_STORE,
2718 .off1 = td_var_offset(exec_postrun),
2719 .help = "Execute this file after running job",
2720 .category = FIO_OPT_C_GENERAL,
2721 .group = FIO_OPT_G_INVALID,
2722 },
2723#ifdef FIO_HAVE_IOSCHED_SWITCH
2724 {
2725 .name = "ioscheduler",
2726 .lname = "I/O scheduler",
2727 .type = FIO_OPT_STR_STORE,
2728 .off1 = td_var_offset(ioscheduler),
2729 .help = "Use this IO scheduler on the backing device",
2730 .category = FIO_OPT_C_FILE,
2731 .group = FIO_OPT_G_INVALID,
2732 },
2733#endif
2734 {
2735 .name = "zonesize",
2736 .lname = "Zone size",
2737 .type = FIO_OPT_STR_VAL,
2738 .off1 = td_var_offset(zone_size),
2739 .help = "Amount of data to read per zone",
2740 .def = "0",
2741 .interval = 1024 * 1024,
2742 .category = FIO_OPT_C_IO,
2743 .group = FIO_OPT_G_ZONE,
2744 },
2745 {
2746 .name = "zonerange",
2747 .lname = "Zone range",
2748 .type = FIO_OPT_STR_VAL,
2749 .off1 = td_var_offset(zone_range),
2750 .help = "Give size of an IO zone",
2751 .def = "0",
2752 .interval = 1024 * 1024,
2753 .category = FIO_OPT_C_IO,
2754 .group = FIO_OPT_G_ZONE,
2755 },
2756 {
2757 .name = "zoneskip",
2758 .lname = "Zone skip",
2759 .type = FIO_OPT_STR_VAL,
2760 .off1 = td_var_offset(zone_skip),
2761 .help = "Space between IO zones",
2762 .def = "0",
2763 .interval = 1024 * 1024,
2764 .category = FIO_OPT_C_IO,
2765 .group = FIO_OPT_G_ZONE,
2766 },
2767 {
2768 .name = "lockmem",
2769 .lname = "Lock memory",
2770 .type = FIO_OPT_STR_VAL,
2771 .off1 = td_var_offset(lockmem),
2772 .help = "Lock down this amount of memory (per worker)",
2773 .def = "0",
2774 .interval = 1024 * 1024,
2775 .category = FIO_OPT_C_GENERAL,
2776 .group = FIO_OPT_G_INVALID,
2777 },
2778 {
2779 .name = "rwmixread",
2780 .lname = "Read/write mix read",
2781 .type = FIO_OPT_INT,
2782 .cb = str_rwmix_read_cb,
2783 .off1 = td_var_offset(rwmix[DDIR_READ]),
2784 .maxval = 100,
2785 .help = "Percentage of mixed workload that is reads",
2786 .def = "50",
2787 .interval = 5,
2788 .inverse = "rwmixwrite",
2789 .category = FIO_OPT_C_IO,
2790 .group = FIO_OPT_G_RWMIX,
2791 },
2792 {
2793 .name = "rwmixwrite",
2794 .lname = "Read/write mix write",
2795 .type = FIO_OPT_INT,
2796 .cb = str_rwmix_write_cb,
2797 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
2798 .maxval = 100,
2799 .help = "Percentage of mixed workload that is writes",
2800 .def = "50",
2801 .interval = 5,
2802 .inverse = "rwmixread",
2803 .category = FIO_OPT_C_IO,
2804 .group = FIO_OPT_G_RWMIX,
2805 },
2806 {
2807 .name = "rwmixcycle",
2808 .lname = "Read/write mix cycle",
2809 .type = FIO_OPT_DEPRECATED,
2810 .category = FIO_OPT_C_IO,
2811 .group = FIO_OPT_G_RWMIX,
2812 },
2813 {
2814 .name = "nice",
2815 .lname = "Nice",
2816 .type = FIO_OPT_INT,
2817 .off1 = td_var_offset(nice),
2818 .help = "Set job CPU nice value",
2819 .minval = -19,
2820 .maxval = 20,
2821 .def = "0",
2822 .interval = 1,
2823 .category = FIO_OPT_C_GENERAL,
2824 .group = FIO_OPT_G_CRED,
2825 },
2826#ifdef FIO_HAVE_IOPRIO
2827 {
2828 .name = "prio",
2829 .lname = "I/O nice priority",
2830 .type = FIO_OPT_INT,
2831 .off1 = td_var_offset(ioprio),
2832 .help = "Set job IO priority value",
2833 .minval = 0,
2834 .maxval = 7,
2835 .interval = 1,
2836 .category = FIO_OPT_C_GENERAL,
2837 .group = FIO_OPT_G_CRED,
2838 },
2839 {
2840 .name = "prioclass",
2841 .lname = "I/O nice priority class",
2842 .type = FIO_OPT_INT,
2843 .off1 = td_var_offset(ioprio_class),
2844 .help = "Set job IO priority class",
2845 .minval = 0,
2846 .maxval = 3,
2847 .interval = 1,
2848 .category = FIO_OPT_C_GENERAL,
2849 .group = FIO_OPT_G_CRED,
2850 },
2851#endif
2852 {
2853 .name = "thinktime",
2854 .lname = "Thinktime",
2855 .type = FIO_OPT_INT,
2856 .off1 = td_var_offset(thinktime),
2857 .help = "Idle time between IO buffers (usec)",
2858 .def = "0",
2859 .is_time = 1,
2860 .category = FIO_OPT_C_IO,
2861 .group = FIO_OPT_G_THINKTIME,
2862 },
2863 {
2864 .name = "thinktime_spin",
2865 .lname = "Thinktime spin",
2866 .type = FIO_OPT_INT,
2867 .off1 = td_var_offset(thinktime_spin),
2868 .help = "Start think time by spinning this amount (usec)",
2869 .def = "0",
2870 .is_time = 1,
2871 .parent = "thinktime",
2872 .hide = 1,
2873 .category = FIO_OPT_C_IO,
2874 .group = FIO_OPT_G_THINKTIME,
2875 },
2876 {
2877 .name = "thinktime_blocks",
2878 .lname = "Thinktime blocks",
2879 .type = FIO_OPT_INT,
2880 .off1 = td_var_offset(thinktime_blocks),
2881 .help = "IO buffer period between 'thinktime'",
2882 .def = "1",
2883 .parent = "thinktime",
2884 .hide = 1,
2885 .category = FIO_OPT_C_IO,
2886 .group = FIO_OPT_G_THINKTIME,
2887 },
2888 {
2889 .name = "rate",
2890 .lname = "I/O rate",
2891 .type = FIO_OPT_INT,
2892 .off1 = td_var_offset(rate[DDIR_READ]),
2893 .off2 = td_var_offset(rate[DDIR_WRITE]),
2894 .off3 = td_var_offset(rate[DDIR_TRIM]),
2895 .help = "Set bandwidth rate",
2896 .category = FIO_OPT_C_IO,
2897 .group = FIO_OPT_G_RATE,
2898 },
2899 {
2900 .name = "rate_min",
2901 .alias = "ratemin",
2902 .lname = "I/O min rate",
2903 .type = FIO_OPT_INT,
2904 .off1 = td_var_offset(ratemin[DDIR_READ]),
2905 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2906 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
2907 .help = "Job must meet this rate or it will be shutdown",
2908 .parent = "rate",
2909 .hide = 1,
2910 .category = FIO_OPT_C_IO,
2911 .group = FIO_OPT_G_RATE,
2912 },
2913 {
2914 .name = "rate_iops",
2915 .lname = "I/O rate IOPS",
2916 .type = FIO_OPT_INT,
2917 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2918 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2919 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
2920 .help = "Limit IO used to this number of IO operations/sec",
2921 .hide = 1,
2922 .category = FIO_OPT_C_IO,
2923 .group = FIO_OPT_G_RATE,
2924 },
2925 {
2926 .name = "rate_iops_min",
2927 .lname = "I/O min rate IOPS",
2928 .type = FIO_OPT_INT,
2929 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2930 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2931 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
2932 .help = "Job must meet this rate or it will be shut down",
2933 .parent = "rate_iops",
2934 .hide = 1,
2935 .category = FIO_OPT_C_IO,
2936 .group = FIO_OPT_G_RATE,
2937 },
2938 {
2939 .name = "rate_process",
2940 .lname = "Rate Process",
2941 .type = FIO_OPT_STR,
2942 .off1 = td_var_offset(rate_process),
2943 .help = "What process controls how rated IO is managed",
2944 .def = "linear",
2945 .category = FIO_OPT_C_IO,
2946 .group = FIO_OPT_G_RATE,
2947 .posval = {
2948 { .ival = "linear",
2949 .oval = RATE_PROCESS_LINEAR,
2950 .help = "Linear rate of IO",
2951 },
2952 {
2953 .ival = "poisson",
2954 .oval = RATE_PROCESS_POISSON,
2955 .help = "Rate follows Poisson process",
2956 },
2957 },
2958 .parent = "rate",
2959 },
2960 {
2961 .name = "rate_cycle",
2962 .alias = "ratecycle",
2963 .lname = "I/O rate cycle",
2964 .type = FIO_OPT_INT,
2965 .off1 = td_var_offset(ratecycle),
2966 .help = "Window average for rate limits (msec)",
2967 .def = "1000",
2968 .parent = "rate",
2969 .hide = 1,
2970 .category = FIO_OPT_C_IO,
2971 .group = FIO_OPT_G_RATE,
2972 },
2973 {
2974 .name = "max_latency",
2975 .type = FIO_OPT_INT,
2976 .off1 = td_var_offset(max_latency),
2977 .help = "Maximum tolerated IO latency (usec)",
2978 .is_time = 1,
2979 .category = FIO_OPT_C_IO,
2980 .group = FIO_OPT_G_LATPROF,
2981 },
2982 {
2983 .name = "latency_target",
2984 .lname = "Latency Target (usec)",
2985 .type = FIO_OPT_STR_VAL_TIME,
2986 .off1 = td_var_offset(latency_target),
2987 .help = "Ramp to max queue depth supporting this latency",
2988 .is_time = 1,
2989 .category = FIO_OPT_C_IO,
2990 .group = FIO_OPT_G_LATPROF,
2991 },
2992 {
2993 .name = "latency_window",
2994 .lname = "Latency Window (usec)",
2995 .type = FIO_OPT_STR_VAL_TIME,
2996 .off1 = td_var_offset(latency_window),
2997 .help = "Time to sustain latency_target",
2998 .is_time = 1,
2999 .category = FIO_OPT_C_IO,
3000 .group = FIO_OPT_G_LATPROF,
3001 },
3002 {
3003 .name = "latency_percentile",
3004 .lname = "Latency Percentile",
3005 .type = FIO_OPT_FLOAT_LIST,
3006 .off1 = td_var_offset(latency_percentile),
3007 .help = "Percentile of IOs must be below latency_target",
3008 .def = "100",
3009 .maxlen = 1,
3010 .minfp = 0.0,
3011 .maxfp = 100.0,
3012 .category = FIO_OPT_C_IO,
3013 .group = FIO_OPT_G_LATPROF,
3014 },
3015 {
3016 .name = "invalidate",
3017 .lname = "Cache invalidate",
3018 .type = FIO_OPT_BOOL,
3019 .off1 = td_var_offset(invalidate_cache),
3020 .help = "Invalidate buffer/page cache prior to running job",
3021 .def = "1",
3022 .category = FIO_OPT_C_IO,
3023 .group = FIO_OPT_G_IO_TYPE,
3024 },
3025 {
3026 .name = "sync",
3027 .lname = "Synchronous I/O",
3028 .type = FIO_OPT_BOOL,
3029 .off1 = td_var_offset(sync_io),
3030 .help = "Use O_SYNC for buffered writes",
3031 .def = "0",
3032 .parent = "buffered",
3033 .hide = 1,
3034 .category = FIO_OPT_C_IO,
3035 .group = FIO_OPT_G_IO_TYPE,
3036 },
3037 {
3038 .name = "create_serialize",
3039 .lname = "Create serialize",
3040 .type = FIO_OPT_BOOL,
3041 .off1 = td_var_offset(create_serialize),
3042 .help = "Serialize creating of job files",
3043 .def = "1",
3044 .category = FIO_OPT_C_FILE,
3045 .group = FIO_OPT_G_INVALID,
3046 },
3047 {
3048 .name = "create_fsync",
3049 .lname = "Create fsync",
3050 .type = FIO_OPT_BOOL,
3051 .off1 = td_var_offset(create_fsync),
3052 .help = "fsync file after creation",
3053 .def = "1",
3054 .category = FIO_OPT_C_FILE,
3055 .group = FIO_OPT_G_INVALID,
3056 },
3057 {
3058 .name = "create_on_open",
3059 .lname = "Create on open",
3060 .type = FIO_OPT_BOOL,
3061 .off1 = td_var_offset(create_on_open),
3062 .help = "Create files when they are opened for IO",
3063 .def = "0",
3064 .category = FIO_OPT_C_FILE,
3065 .group = FIO_OPT_G_INVALID,
3066 },
3067 {
3068 .name = "create_only",
3069 .type = FIO_OPT_BOOL,
3070 .off1 = td_var_offset(create_only),
3071 .help = "Only perform file creation phase",
3072 .category = FIO_OPT_C_FILE,
3073 .def = "0",
3074 },
3075 {
3076 .name = "allow_file_create",
3077 .lname = "Allow file create",
3078 .type = FIO_OPT_BOOL,
3079 .off1 = td_var_offset(allow_create),
3080 .help = "Permit fio to create files, if they don't exist",
3081 .def = "1",
3082 .category = FIO_OPT_C_FILE,
3083 .group = FIO_OPT_G_FILENAME,
3084 },
3085 {
3086 .name = "allow_mounted_write",
3087 .lname = "Allow mounted write",
3088 .type = FIO_OPT_BOOL,
3089 .off1 = td_var_offset(allow_mounted_write),
3090 .help = "Allow writes to a mounted partition",
3091 .def = "0",
3092 .category = FIO_OPT_C_FILE,
3093 .group = FIO_OPT_G_FILENAME,
3094 },
3095 {
3096 .name = "pre_read",
3097 .lname = "Pre-read files",
3098 .type = FIO_OPT_BOOL,
3099 .off1 = td_var_offset(pre_read),
3100 .help = "Pre-read files before starting official testing",
3101 .def = "0",
3102 .category = FIO_OPT_C_FILE,
3103 .group = FIO_OPT_G_INVALID,
3104 },
3105#ifdef FIO_HAVE_CPU_AFFINITY
3106 {
3107 .name = "cpumask",
3108 .lname = "CPU mask",
3109 .type = FIO_OPT_INT,
3110 .cb = str_cpumask_cb,
3111 .off1 = td_var_offset(cpumask),
3112 .help = "CPU affinity mask",
3113 .category = FIO_OPT_C_GENERAL,
3114 .group = FIO_OPT_G_CRED,
3115 },
3116 {
3117 .name = "cpus_allowed",
3118 .lname = "CPUs allowed",
3119 .type = FIO_OPT_STR,
3120 .cb = str_cpus_allowed_cb,
3121 .off1 = td_var_offset(cpumask),
3122 .help = "Set CPUs allowed",
3123 .category = FIO_OPT_C_GENERAL,
3124 .group = FIO_OPT_G_CRED,
3125 },
3126 {
3127 .name = "cpus_allowed_policy",
3128 .lname = "CPUs allowed distribution policy",
3129 .type = FIO_OPT_STR,
3130 .off1 = td_var_offset(cpus_allowed_policy),
3131 .help = "Distribution policy for cpus_allowed",
3132 .parent = "cpus_allowed",
3133 .prio = 1,
3134 .posval = {
3135 { .ival = "shared",
3136 .oval = FIO_CPUS_SHARED,
3137 .help = "Mask shared between threads",
3138 },
3139 { .ival = "split",
3140 .oval = FIO_CPUS_SPLIT,
3141 .help = "Mask split between threads",
3142 },
3143 },
3144 .category = FIO_OPT_C_GENERAL,
3145 .group = FIO_OPT_G_CRED,
3146 },
3147#endif
3148#ifdef CONFIG_LIBNUMA
3149 {
3150 .name = "numa_cpu_nodes",
3151 .type = FIO_OPT_STR,
3152 .cb = str_numa_cpunodes_cb,
3153 .off1 = td_var_offset(numa_cpunodes),
3154 .help = "NUMA CPU nodes bind",
3155 .category = FIO_OPT_C_GENERAL,
3156 .group = FIO_OPT_G_INVALID,
3157 },
3158 {
3159 .name = "numa_mem_policy",
3160 .type = FIO_OPT_STR,
3161 .cb = str_numa_mpol_cb,
3162 .off1 = td_var_offset(numa_memnodes),
3163 .help = "NUMA memory policy setup",
3164 .category = FIO_OPT_C_GENERAL,
3165 .group = FIO_OPT_G_INVALID,
3166 },
3167#endif
3168 {
3169 .name = "end_fsync",
3170 .lname = "End fsync",
3171 .type = FIO_OPT_BOOL,
3172 .off1 = td_var_offset(end_fsync),
3173 .help = "Include fsync at the end of job",
3174 .def = "0",
3175 .category = FIO_OPT_C_FILE,
3176 .group = FIO_OPT_G_INVALID,
3177 },
3178 {
3179 .name = "fsync_on_close",
3180 .lname = "Fsync on close",
3181 .type = FIO_OPT_BOOL,
3182 .off1 = td_var_offset(fsync_on_close),
3183 .help = "fsync files on close",
3184 .def = "0",
3185 .category = FIO_OPT_C_FILE,
3186 .group = FIO_OPT_G_INVALID,
3187 },
3188 {
3189 .name = "unlink",
3190 .lname = "Unlink file",
3191 .type = FIO_OPT_BOOL,
3192 .off1 = td_var_offset(unlink),
3193 .help = "Unlink created files after job has completed",
3194 .def = "0",
3195 .category = FIO_OPT_C_FILE,
3196 .group = FIO_OPT_G_INVALID,
3197 },
3198 {
3199 .name = "exitall",
3200 .lname = "Exit-all on terminate",
3201 .type = FIO_OPT_STR_SET,
3202 .cb = str_exitall_cb,
3203 .help = "Terminate all jobs when one exits",
3204 .category = FIO_OPT_C_GENERAL,
3205 .group = FIO_OPT_G_PROCESS,
3206 },
3207 {
3208 .name = "exitall_on_error",
3209 .lname = "Exit-all on terminate in error",
3210 .type = FIO_OPT_BOOL,
3211 .off1 = td_var_offset(unlink),
3212 .help = "Terminate all jobs when one exits in error",
3213 .category = FIO_OPT_C_GENERAL,
3214 .group = FIO_OPT_G_PROCESS,
3215 },
3216 {
3217 .name = "stonewall",
3218 .lname = "Wait for previous",
3219 .alias = "wait_for_previous",
3220 .type = FIO_OPT_STR_SET,
3221 .off1 = td_var_offset(stonewall),
3222 .help = "Insert a hard barrier between this job and previous",
3223 .category = FIO_OPT_C_GENERAL,
3224 .group = FIO_OPT_G_PROCESS,
3225 },
3226 {
3227 .name = "new_group",
3228 .lname = "New group",
3229 .type = FIO_OPT_STR_SET,
3230 .off1 = td_var_offset(new_group),
3231 .help = "Mark the start of a new group (for reporting)",
3232 .category = FIO_OPT_C_GENERAL,
3233 .group = FIO_OPT_G_PROCESS,
3234 },
3235 {
3236 .name = "thread",
3237 .lname = "Thread",
3238 .type = FIO_OPT_STR_SET,
3239 .off1 = td_var_offset(use_thread),
3240 .help = "Use threads instead of processes",
3241#ifdef CONFIG_NO_SHM
3242 .def = "1",
3243 .no_warn_def = 1,
3244#endif
3245 .category = FIO_OPT_C_GENERAL,
3246 .group = FIO_OPT_G_PROCESS,
3247 },
3248 {
3249 .name = "per_job_logs",
3250 .type = FIO_OPT_BOOL,
3251 .off1 = td_var_offset(per_job_logs),
3252 .help = "Include job number in generated log files or not",
3253 .def = "1",
3254 .category = FIO_OPT_C_LOG,
3255 .group = FIO_OPT_G_INVALID,
3256 },
3257 {
3258 .name = "write_bw_log",
3259 .lname = "Write bandwidth log",
3260 .type = FIO_OPT_STR_STORE,
3261 .off1 = td_var_offset(bw_log_file),
3262 .help = "Write log of bandwidth during run",
3263 .category = FIO_OPT_C_LOG,
3264 .group = FIO_OPT_G_INVALID,
3265 },
3266 {
3267 .name = "write_lat_log",
3268 .lname = "Write latency log",
3269 .type = FIO_OPT_STR_STORE,
3270 .off1 = td_var_offset(lat_log_file),
3271 .help = "Write log of latency during run",
3272 .category = FIO_OPT_C_LOG,
3273 .group = FIO_OPT_G_INVALID,
3274 },
3275 {
3276 .name = "write_iops_log",
3277 .lname = "Write IOPS log",
3278 .type = FIO_OPT_STR_STORE,
3279 .off1 = td_var_offset(iops_log_file),
3280 .help = "Write log of IOPS during run",
3281 .category = FIO_OPT_C_LOG,
3282 .group = FIO_OPT_G_INVALID,
3283 },
3284 {
3285 .name = "log_avg_msec",
3286 .lname = "Log averaging (msec)",
3287 .type = FIO_OPT_INT,
3288 .off1 = td_var_offset(log_avg_msec),
3289 .help = "Average bw/iops/lat logs over this period of time",
3290 .def = "0",
3291 .category = FIO_OPT_C_LOG,
3292 .group = FIO_OPT_G_INVALID,
3293 },
3294 {
3295 .name = "log_max_value",
3296 .lname = "Log maximum instead of average",
3297 .type = FIO_OPT_BOOL,
3298 .off1 = td_var_offset(log_max),
3299 .help = "Log max sample in a window instead of average",
3300 .def = "0",
3301 .category = FIO_OPT_C_LOG,
3302 .group = FIO_OPT_G_INVALID,
3303 },
3304 {
3305 .name = "log_offset",
3306 .lname = "Log offset of IO",
3307 .type = FIO_OPT_BOOL,
3308 .off1 = td_var_offset(log_offset),
3309 .help = "Include offset of IO for each log entry",
3310 .def = "0",
3311 .category = FIO_OPT_C_LOG,
3312 .group = FIO_OPT_G_INVALID,
3313 },
3314#ifdef CONFIG_ZLIB
3315 {
3316 .name = "log_compression",
3317 .lname = "Log compression",
3318 .type = FIO_OPT_INT,
3319 .off1 = td_var_offset(log_gz),
3320 .help = "Log in compressed chunks of this size",
3321 .minval = 1024ULL,
3322 .maxval = 512 * 1024 * 1024ULL,
3323 .category = FIO_OPT_C_LOG,
3324 .group = FIO_OPT_G_INVALID,
3325 },
3326#ifdef FIO_HAVE_CPU_AFFINITY
3327 {
3328 .name = "log_compression_cpus",
3329 .lname = "Log Compression CPUs",
3330 .type = FIO_OPT_STR,
3331 .cb = str_log_cpus_allowed_cb,
3332 .off1 = td_var_offset(log_gz_cpumask),
3333 .parent = "log_compression",
3334 .help = "Limit log compression to these CPUs",
3335 .category = FIO_OPT_C_LOG,
3336 .group = FIO_OPT_G_INVALID,
3337 },
3338#endif
3339 {
3340 .name = "log_store_compressed",
3341 .lname = "Log store compressed",
3342 .type = FIO_OPT_BOOL,
3343 .off1 = td_var_offset(log_gz_store),
3344 .help = "Store logs in a compressed format",
3345 .category = FIO_OPT_C_LOG,
3346 .group = FIO_OPT_G_INVALID,
3347 },
3348#endif
3349 {
3350 .name = "block_error_percentiles",
3351 .lname = "Block error percentiles",
3352 .type = FIO_OPT_BOOL,
3353 .off1 = td_var_offset(block_error_hist),
3354 .help = "Record trim block errors and make a histogram",
3355 .def = "0",
3356 .category = FIO_OPT_C_LOG,
3357 .group = FIO_OPT_G_INVALID,
3358 },
3359 {
3360 .name = "bwavgtime",
3361 .lname = "Bandwidth average time",
3362 .type = FIO_OPT_INT,
3363 .off1 = td_var_offset(bw_avg_time),
3364 .help = "Time window over which to calculate bandwidth"
3365 " (msec)",
3366 .def = "500",
3367 .parent = "write_bw_log",
3368 .hide = 1,
3369 .interval = 100,
3370 .category = FIO_OPT_C_LOG,
3371 .group = FIO_OPT_G_INVALID,
3372 },
3373 {
3374 .name = "iopsavgtime",
3375 .lname = "IOPS average time",
3376 .type = FIO_OPT_INT,
3377 .off1 = td_var_offset(iops_avg_time),
3378 .help = "Time window over which to calculate IOPS (msec)",
3379 .def = "500",
3380 .parent = "write_iops_log",
3381 .hide = 1,
3382 .interval = 100,
3383 .category = FIO_OPT_C_LOG,
3384 .group = FIO_OPT_G_INVALID,
3385 },
3386 {
3387 .name = "group_reporting",
3388 .lname = "Group reporting",
3389 .type = FIO_OPT_STR_SET,
3390 .off1 = td_var_offset(group_reporting),
3391 .help = "Do reporting on a per-group basis",
3392 .category = FIO_OPT_C_STAT,
3393 .group = FIO_OPT_G_INVALID,
3394 },
3395 {
3396 .name = "zero_buffers",
3397 .lname = "Zero I/O buffers",
3398 .type = FIO_OPT_STR_SET,
3399 .off1 = td_var_offset(zero_buffers),
3400 .help = "Init IO buffers to all zeroes",
3401 .category = FIO_OPT_C_IO,
3402 .group = FIO_OPT_G_IO_BUF,
3403 },
3404 {
3405 .name = "refill_buffers",
3406 .lname = "Refill I/O buffers",
3407 .type = FIO_OPT_STR_SET,
3408 .off1 = td_var_offset(refill_buffers),
3409 .help = "Refill IO buffers on every IO submit",
3410 .category = FIO_OPT_C_IO,
3411 .group = FIO_OPT_G_IO_BUF,
3412 },
3413 {
3414 .name = "scramble_buffers",
3415 .lname = "Scramble I/O buffers",
3416 .type = FIO_OPT_BOOL,
3417 .off1 = td_var_offset(scramble_buffers),
3418 .help = "Slightly scramble buffers on every IO submit",
3419 .def = "1",
3420 .category = FIO_OPT_C_IO,
3421 .group = FIO_OPT_G_IO_BUF,
3422 },
3423 {
3424 .name = "buffer_pattern",
3425 .lname = "Buffer pattern",
3426 .type = FIO_OPT_STR,
3427 .cb = str_buffer_pattern_cb,
3428 .off1 = td_var_offset(buffer_pattern),
3429 .help = "Fill pattern for IO buffers",
3430 .category = FIO_OPT_C_IO,
3431 .group = FIO_OPT_G_IO_BUF,
3432 },
3433 {
3434 .name = "buffer_compress_percentage",
3435 .lname = "Buffer compression percentage",
3436 .type = FIO_OPT_INT,
3437 .cb = str_buffer_compress_cb,
3438 .off1 = td_var_offset(compress_percentage),
3439 .maxval = 100,
3440 .minval = 0,
3441 .help = "How compressible the buffer is (approximately)",
3442 .interval = 5,
3443 .category = FIO_OPT_C_IO,
3444 .group = FIO_OPT_G_IO_BUF,
3445 },
3446 {
3447 .name = "buffer_compress_chunk",
3448 .lname = "Buffer compression chunk size",
3449 .type = FIO_OPT_INT,
3450 .off1 = td_var_offset(compress_chunk),
3451 .parent = "buffer_compress_percentage",
3452 .hide = 1,
3453 .help = "Size of compressible region in buffer",
3454 .interval = 256,
3455 .category = FIO_OPT_C_IO,
3456 .group = FIO_OPT_G_IO_BUF,
3457 },
3458 {
3459 .name = "dedupe_percentage",
3460 .lname = "Dedupe percentage",
3461 .type = FIO_OPT_INT,
3462 .cb = str_dedupe_cb,
3463 .off1 = td_var_offset(dedupe_percentage),
3464 .maxval = 100,
3465 .minval = 0,
3466 .help = "Percentage of buffers that are dedupable",
3467 .interval = 1,
3468 .category = FIO_OPT_C_IO,
3469 .group = FIO_OPT_G_IO_BUF,
3470 },
3471 {
3472 .name = "clat_percentiles",
3473 .lname = "Completion latency percentiles",
3474 .type = FIO_OPT_BOOL,
3475 .off1 = td_var_offset(clat_percentiles),
3476 .help = "Enable the reporting of completion latency percentiles",
3477 .def = "1",
3478 .category = FIO_OPT_C_STAT,
3479 .group = FIO_OPT_G_INVALID,
3480 },
3481 {
3482 .name = "percentile_list",
3483 .lname = "Percentile list",
3484 .type = FIO_OPT_FLOAT_LIST,
3485 .off1 = td_var_offset(percentile_list),
3486 .off2 = td_var_offset(percentile_precision),
3487 .help = "Specify a custom list of percentiles to report for "
3488 "completion latency and block errors",
3489 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
3490 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3491 .minfp = 0.0,
3492 .maxfp = 100.0,
3493 .category = FIO_OPT_C_STAT,
3494 .group = FIO_OPT_G_INVALID,
3495 },
3496
3497#ifdef FIO_HAVE_DISK_UTIL
3498 {
3499 .name = "disk_util",
3500 .lname = "Disk utilization",
3501 .type = FIO_OPT_BOOL,
3502 .off1 = td_var_offset(do_disk_util),
3503 .help = "Log disk utilization statistics",
3504 .def = "1",
3505 .category = FIO_OPT_C_STAT,
3506 .group = FIO_OPT_G_INVALID,
3507 },
3508#endif
3509 {
3510 .name = "gtod_reduce",
3511 .lname = "Reduce gettimeofday() calls",
3512 .type = FIO_OPT_BOOL,
3513 .help = "Greatly reduce number of gettimeofday() calls",
3514 .cb = str_gtod_reduce_cb,
3515 .def = "0",
3516 .hide_on_set = 1,
3517 .category = FIO_OPT_C_STAT,
3518 .group = FIO_OPT_G_INVALID,
3519 },
3520 {
3521 .name = "disable_lat",
3522 .lname = "Disable all latency stats",
3523 .type = FIO_OPT_BOOL,
3524 .off1 = td_var_offset(disable_lat),
3525 .help = "Disable latency numbers",
3526 .parent = "gtod_reduce",
3527 .hide = 1,
3528 .def = "0",
3529 .category = FIO_OPT_C_STAT,
3530 .group = FIO_OPT_G_INVALID,
3531 },
3532 {
3533 .name = "disable_clat",
3534 .lname = "Disable completion latency stats",
3535 .type = FIO_OPT_BOOL,
3536 .off1 = td_var_offset(disable_clat),
3537 .help = "Disable completion latency numbers",
3538 .parent = "gtod_reduce",
3539 .hide = 1,
3540 .def = "0",
3541 .category = FIO_OPT_C_STAT,
3542 .group = FIO_OPT_G_INVALID,
3543 },
3544 {
3545 .name = "disable_slat",
3546 .lname = "Disable submission latency stats",
3547 .type = FIO_OPT_BOOL,
3548 .off1 = td_var_offset(disable_slat),
3549 .help = "Disable submission latency numbers",
3550 .parent = "gtod_reduce",
3551 .hide = 1,
3552 .def = "0",
3553 .category = FIO_OPT_C_STAT,
3554 .group = FIO_OPT_G_INVALID,
3555 },
3556 {
3557 .name = "disable_bw_measurement",
3558 .lname = "Disable bandwidth stats",
3559 .type = FIO_OPT_BOOL,
3560 .off1 = td_var_offset(disable_bw),
3561 .help = "Disable bandwidth logging",
3562 .parent = "gtod_reduce",
3563 .hide = 1,
3564 .def = "0",
3565 .category = FIO_OPT_C_STAT,
3566 .group = FIO_OPT_G_INVALID,
3567 },
3568 {
3569 .name = "gtod_cpu",
3570 .lname = "Dedicated gettimeofday() CPU",
3571 .type = FIO_OPT_INT,
3572 .off1 = td_var_offset(gtod_cpu),
3573 .help = "Set up dedicated gettimeofday() thread on this CPU",
3574 .verify = gtod_cpu_verify,
3575 .category = FIO_OPT_C_GENERAL,
3576 .group = FIO_OPT_G_CLOCK,
3577 },
3578 {
3579 .name = "unified_rw_reporting",
3580 .type = FIO_OPT_BOOL,
3581 .off1 = td_var_offset(unified_rw_rep),
3582 .help = "Unify reporting across data direction",
3583 .def = "0",
3584 .category = FIO_OPT_C_GENERAL,
3585 .group = FIO_OPT_G_INVALID,
3586 },
3587 {
3588 .name = "continue_on_error",
3589 .lname = "Continue on error",
3590 .type = FIO_OPT_STR,
3591 .off1 = td_var_offset(continue_on_error),
3592 .help = "Continue on non-fatal errors during IO",
3593 .def = "none",
3594 .category = FIO_OPT_C_GENERAL,
3595 .group = FIO_OPT_G_ERR,
3596 .posval = {
3597 { .ival = "none",
3598 .oval = ERROR_TYPE_NONE,
3599 .help = "Exit when an error is encountered",
3600 },
3601 { .ival = "read",
3602 .oval = ERROR_TYPE_READ,
3603 .help = "Continue on read errors only",
3604 },
3605 { .ival = "write",
3606 .oval = ERROR_TYPE_WRITE,
3607 .help = "Continue on write errors only",
3608 },
3609 { .ival = "io",
3610 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3611 .help = "Continue on any IO errors",
3612 },
3613 { .ival = "verify",
3614 .oval = ERROR_TYPE_VERIFY,
3615 .help = "Continue on verify errors only",
3616 },
3617 { .ival = "all",
3618 .oval = ERROR_TYPE_ANY,
3619 .help = "Continue on all io and verify errors",
3620 },
3621 { .ival = "0",
3622 .oval = ERROR_TYPE_NONE,
3623 .help = "Alias for 'none'",
3624 },
3625 { .ival = "1",
3626 .oval = ERROR_TYPE_ANY,
3627 .help = "Alias for 'all'",
3628 },
3629 },
3630 },
3631 {
3632 .name = "ignore_error",
3633 .type = FIO_OPT_STR,
3634 .cb = str_ignore_error_cb,
3635 .off1 = td_var_offset(ignore_error_nr),
3636 .help = "Set a specific list of errors to ignore",
3637 .parent = "rw",
3638 .category = FIO_OPT_C_GENERAL,
3639 .group = FIO_OPT_G_ERR,
3640 },
3641 {
3642 .name = "error_dump",
3643 .type = FIO_OPT_BOOL,
3644 .off1 = td_var_offset(error_dump),
3645 .def = "0",
3646 .help = "Dump info on each error",
3647 .category = FIO_OPT_C_GENERAL,
3648 .group = FIO_OPT_G_ERR,
3649 },
3650 {
3651 .name = "profile",
3652 .lname = "Profile",
3653 .type = FIO_OPT_STR_STORE,
3654 .off1 = td_var_offset(profile),
3655 .help = "Select a specific builtin performance test",
3656 .category = FIO_OPT_C_PROFILE,
3657 .group = FIO_OPT_G_INVALID,
3658 },
3659 {
3660 .name = "cgroup",
3661 .lname = "Cgroup",
3662 .type = FIO_OPT_STR_STORE,
3663 .off1 = td_var_offset(cgroup),
3664 .help = "Add job to cgroup of this name",
3665 .category = FIO_OPT_C_GENERAL,
3666 .group = FIO_OPT_G_CGROUP,
3667 },
3668 {
3669 .name = "cgroup_nodelete",
3670 .lname = "Cgroup no-delete",
3671 .type = FIO_OPT_BOOL,
3672 .off1 = td_var_offset(cgroup_nodelete),
3673 .help = "Do not delete cgroups after job completion",
3674 .def = "0",
3675 .parent = "cgroup",
3676 .category = FIO_OPT_C_GENERAL,
3677 .group = FIO_OPT_G_CGROUP,
3678 },
3679 {
3680 .name = "cgroup_weight",
3681 .lname = "Cgroup weight",
3682 .type = FIO_OPT_INT,
3683 .off1 = td_var_offset(cgroup_weight),
3684 .help = "Use given weight for cgroup",
3685 .minval = 100,
3686 .maxval = 1000,
3687 .parent = "cgroup",
3688 .category = FIO_OPT_C_GENERAL,
3689 .group = FIO_OPT_G_CGROUP,
3690 },
3691 {
3692 .name = "uid",
3693 .lname = "User ID",
3694 .type = FIO_OPT_INT,
3695 .off1 = td_var_offset(uid),
3696 .help = "Run job with this user ID",
3697 .category = FIO_OPT_C_GENERAL,
3698 .group = FIO_OPT_G_CRED,
3699 },
3700 {
3701 .name = "gid",
3702 .lname = "Group ID",
3703 .type = FIO_OPT_INT,
3704 .off1 = td_var_offset(gid),
3705 .help = "Run job with this group ID",
3706 .category = FIO_OPT_C_GENERAL,
3707 .group = FIO_OPT_G_CRED,
3708 },
3709 {
3710 .name = "kb_base",
3711 .lname = "KB Base",
3712 .type = FIO_OPT_INT,
3713 .off1 = td_var_offset(kb_base),
3714 .prio = 1,
3715 .def = "1024",
3716 .posval = {
3717 { .ival = "1024",
3718 .oval = 1024,
3719 .help = "Use 1024 as the K base",
3720 },
3721 { .ival = "1000",
3722 .oval = 1000,
3723 .help = "Use 1000 as the K base",
3724 },
3725 },
3726 .help = "How many bytes per KB for reporting (1000 or 1024)",
3727 .category = FIO_OPT_C_GENERAL,
3728 .group = FIO_OPT_G_INVALID,
3729 },
3730 {
3731 .name = "unit_base",
3732 .lname = "Base unit for reporting (Bits or Bytes)",
3733 .type = FIO_OPT_INT,
3734 .off1 = td_var_offset(unit_base),
3735 .prio = 1,
3736 .posval = {
3737 { .ival = "0",
3738 .oval = 0,
3739 .help = "Auto-detect",
3740 },
3741 { .ival = "8",
3742 .oval = 8,
3743 .help = "Normal (byte based)",
3744 },
3745 { .ival = "1",
3746 .oval = 1,
3747 .help = "Bit based",
3748 },
3749 },
3750 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3751 .category = FIO_OPT_C_GENERAL,
3752 .group = FIO_OPT_G_INVALID,
3753 },
3754 {
3755 .name = "hugepage-size",
3756 .lname = "Hugepage size",
3757 .type = FIO_OPT_INT,
3758 .off1 = td_var_offset(hugepage_size),
3759 .help = "When using hugepages, specify size of each page",
3760 .def = __fio_stringify(FIO_HUGE_PAGE),
3761 .interval = 1024 * 1024,
3762 .category = FIO_OPT_C_GENERAL,
3763 .group = FIO_OPT_G_INVALID,
3764 },
3765 {
3766 .name = "flow_id",
3767 .lname = "I/O flow ID",
3768 .type = FIO_OPT_INT,
3769 .off1 = td_var_offset(flow_id),
3770 .help = "The flow index ID to use",
3771 .def = "0",
3772 .category = FIO_OPT_C_IO,
3773 .group = FIO_OPT_G_IO_FLOW,
3774 },
3775 {
3776 .name = "flow",
3777 .lname = "I/O flow weight",
3778 .type = FIO_OPT_INT,
3779 .off1 = td_var_offset(flow),
3780 .help = "Weight for flow control of this job",
3781 .parent = "flow_id",
3782 .hide = 1,
3783 .def = "0",
3784 .category = FIO_OPT_C_IO,
3785 .group = FIO_OPT_G_IO_FLOW,
3786 },
3787 {
3788 .name = "flow_watermark",
3789 .lname = "I/O flow watermark",
3790 .type = FIO_OPT_INT,
3791 .off1 = td_var_offset(flow_watermark),
3792 .help = "High watermark for flow control. This option"
3793 " should be set to the same value for all threads"
3794 " with non-zero flow.",
3795 .parent = "flow_id",
3796 .hide = 1,
3797 .def = "1024",
3798 .category = FIO_OPT_C_IO,
3799 .group = FIO_OPT_G_IO_FLOW,
3800 },
3801 {
3802 .name = "flow_sleep",
3803 .lname = "I/O flow sleep",
3804 .type = FIO_OPT_INT,
3805 .off1 = td_var_offset(flow_sleep),
3806 .help = "How many microseconds to sleep after being held"
3807 " back by the flow control mechanism",
3808 .parent = "flow_id",
3809 .hide = 1,
3810 .def = "0",
3811 .category = FIO_OPT_C_IO,
3812 .group = FIO_OPT_G_IO_FLOW,
3813 },
3814 {
3815 .name = "skip_bad",
3816 .lname = "Skip operations against bad blocks",
3817 .type = FIO_OPT_BOOL,
3818 .off1 = td_var_offset(skip_bad),
3819 .help = "Skip operations against known bad blocks.",
3820 .hide = 1,
3821 .def = "0",
3822 .category = FIO_OPT_C_IO,
3823 .group = FIO_OPT_G_MTD,
3824 },
3825 {
3826 .name = NULL,
3827 },
3828};
3829
3830static void add_to_lopt(struct option *lopt, struct fio_option *o,
3831 const char *name, int val)
3832{
3833 lopt->name = (char *) name;
3834 lopt->val = val;
3835 if (o->type == FIO_OPT_STR_SET)
3836 lopt->has_arg = optional_argument;
3837 else
3838 lopt->has_arg = required_argument;
3839}
3840
3841static void options_to_lopts(struct fio_option *opts,
3842 struct option *long_options,
3843 int i, int option_type)
3844{
3845 struct fio_option *o = &opts[0];
3846 while (o->name) {
3847 add_to_lopt(&long_options[i], o, o->name, option_type);
3848 if (o->alias) {
3849 i++;
3850 add_to_lopt(&long_options[i], o, o->alias, option_type);
3851 }
3852
3853 i++;
3854 o++;
3855 assert(i < FIO_NR_OPTIONS);
3856 }
3857}
3858
3859void fio_options_set_ioengine_opts(struct option *long_options,
3860 struct thread_data *td)
3861{
3862 unsigned int i;
3863
3864 i = 0;
3865 while (long_options[i].name) {
3866 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3867 memset(&long_options[i], 0, sizeof(*long_options));
3868 break;
3869 }
3870 i++;
3871 }
3872
3873 /*
3874 * Just clear out the prior ioengine options.
3875 */
3876 if (!td || !td->eo)
3877 return;
3878
3879 options_to_lopts(td->io_ops->options, long_options, i,
3880 FIO_GETOPT_IOENGINE);
3881}
3882
3883void fio_options_dup_and_init(struct option *long_options)
3884{
3885 unsigned int i;
3886
3887 options_init(fio_options);
3888
3889 i = 0;
3890 while (long_options[i].name)
3891 i++;
3892
3893 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
3894}
3895
3896struct fio_keyword {
3897 const char *word;
3898 const char *desc;
3899 char *replace;
3900};
3901
3902static struct fio_keyword fio_keywords[] = {
3903 {
3904 .word = "$pagesize",
3905 .desc = "Page size in the system",
3906 },
3907 {
3908 .word = "$mb_memory",
3909 .desc = "Megabytes of memory online",
3910 },
3911 {
3912 .word = "$ncpus",
3913 .desc = "Number of CPUs online in the system",
3914 },
3915 {
3916 .word = NULL,
3917 },
3918};
3919
3920void fio_keywords_exit(void)
3921{
3922 struct fio_keyword *kw;
3923
3924 kw = &fio_keywords[0];
3925 while (kw->word) {
3926 free(kw->replace);
3927 kw->replace = NULL;
3928 kw++;
3929 }
3930}
3931
3932void fio_keywords_init(void)
3933{
3934 unsigned long long mb_memory;
3935 char buf[128];
3936 long l;
3937
3938 sprintf(buf, "%lu", (unsigned long) page_size);
3939 fio_keywords[0].replace = strdup(buf);
3940
3941 mb_memory = os_phys_mem() / (1024 * 1024);
3942 sprintf(buf, "%llu", mb_memory);
3943 fio_keywords[1].replace = strdup(buf);
3944
3945 l = cpus_online();
3946 sprintf(buf, "%lu", l);
3947 fio_keywords[2].replace = strdup(buf);
3948}
3949
3950#define BC_APP "bc"
3951
3952static char *bc_calc(char *str)
3953{
3954 char buf[128], *tmp;
3955 FILE *f;
3956 int ret;
3957
3958 /*
3959 * No math, just return string
3960 */
3961 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3962 !strchr(str, '/')) || strchr(str, '\''))
3963 return str;
3964
3965 /*
3966 * Split option from value, we only need to calculate the value
3967 */
3968 tmp = strchr(str, '=');
3969 if (!tmp)
3970 return str;
3971
3972 tmp++;
3973
3974 /*
3975 * Prevent buffer overflows; such a case isn't reasonable anyway
3976 */
3977 if (strlen(str) >= 128 || strlen(tmp) > 100)
3978 return str;
3979
3980 sprintf(buf, "which %s > /dev/null", BC_APP);
3981 if (system(buf)) {
3982 log_err("fio: bc is needed for performing math\n");
3983 return NULL;
3984 }
3985
3986 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
3987 f = popen(buf, "r");
3988 if (!f)
3989 return NULL;
3990
3991 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
3992 if (ret <= 0) {
3993 pclose(f);
3994 return NULL;
3995 }
3996
3997 pclose(f);
3998 buf[(tmp - str) + ret - 1] = '\0';
3999 memcpy(buf, str, tmp - str);
4000 free(str);
4001 return strdup(buf);
4002}
4003
4004/*
4005 * Return a copy of the input string with substrings of the form ${VARNAME}
4006 * substituted with the value of the environment variable VARNAME. The
4007 * substitution always occurs, even if VARNAME is empty or the corresponding
4008 * environment variable undefined.
4009 */
4010static char *option_dup_subs(const char *opt)
4011{
4012 char out[OPT_LEN_MAX+1];
4013 char in[OPT_LEN_MAX+1];
4014 char *outptr = out;
4015 char *inptr = in;
4016 char *ch1, *ch2, *env;
4017 ssize_t nchr = OPT_LEN_MAX;
4018 size_t envlen;
4019
4020 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4021 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4022 return NULL;
4023 }
4024
4025 in[OPT_LEN_MAX] = '\0';
4026 strncpy(in, opt, OPT_LEN_MAX);
4027
4028 while (*inptr && nchr > 0) {
4029 if (inptr[0] == '$' && inptr[1] == '{') {
4030 ch2 = strchr(inptr, '}');
4031 if (ch2 && inptr+1 < ch2) {
4032 ch1 = inptr+2;
4033 inptr = ch2+1;
4034 *ch2 = '\0';
4035
4036 env = getenv(ch1);
4037 if (env) {
4038 envlen = strlen(env);
4039 if (envlen <= nchr) {
4040 memcpy(outptr, env, envlen);
4041 outptr += envlen;
4042 nchr -= envlen;
4043 }
4044 }
4045
4046 continue;
4047 }
4048 }
4049
4050 *outptr++ = *inptr++;
4051 --nchr;
4052 }
4053
4054 *outptr = '\0';
4055 return strdup(out);
4056}
4057
4058/*
4059 * Look for reserved variable names and replace them with real values
4060 */
4061static char *fio_keyword_replace(char *opt)
4062{
4063 char *s;
4064 int i;
4065 int docalc = 0;
4066
4067 for (i = 0; fio_keywords[i].word != NULL; i++) {
4068 struct fio_keyword *kw = &fio_keywords[i];
4069
4070 while ((s = strstr(opt, kw->word)) != NULL) {
4071 char *new = malloc(strlen(opt) + 1);
4072 char *o_org = opt;
4073 int olen = s - opt;
4074 int len;
4075
4076 /*
4077 * Copy part of the string before the keyword and
4078 * sprintf() the replacement after it.
4079 */
4080 memcpy(new, opt, olen);
4081 len = sprintf(new + olen, "%s", kw->replace);
4082
4083 /*
4084 * If there's more in the original string, copy that
4085 * in too
4086 */
4087 opt += strlen(kw->word) + olen;
4088 if (strlen(opt))
4089 memcpy(new + olen + len, opt, opt - o_org - 1);
4090
4091 /*
4092 * replace opt and free the old opt
4093 */
4094 opt = new;
4095 free(o_org);
4096
4097 docalc = 1;
4098 }
4099 }
4100
4101 /*
4102 * Check for potential math and invoke bc, if possible
4103 */
4104 if (docalc)
4105 opt = bc_calc(opt);
4106
4107 return opt;
4108}
4109
4110static char **dup_and_sub_options(char **opts, int num_opts)
4111{
4112 int i;
4113 char **opts_copy = malloc(num_opts * sizeof(*opts));
4114 for (i = 0; i < num_opts; i++) {
4115 opts_copy[i] = option_dup_subs(opts[i]);
4116 if (!opts_copy[i])
4117 continue;
4118 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4119 }
4120 return opts_copy;
4121}
4122
4123static void show_closest_option(const char *opt)
4124{
4125 int best_option, best_distance;
4126 int i, distance;
4127 char *name;
4128
4129 if (!strlen(opt))
4130 return;
4131
4132 name = strdup(opt);
4133 i = 0;
4134 while (name[i] != '\0' && name[i] != '=')
4135 i++;
4136 name[i] = '\0';
4137
4138 best_option = -1;
4139 best_distance = INT_MAX;
4140 i = 0;
4141 while (fio_options[i].name) {
4142 distance = string_distance(name, fio_options[i].name);
4143 if (distance < best_distance) {
4144 best_distance = distance;
4145 best_option = i;
4146 }
4147 i++;
4148 }
4149
4150 if (best_option != -1 && string_distance_ok(name, best_distance))
4151 log_err("Did you mean %s?\n", fio_options[best_option].name);
4152
4153 free(name);
4154}
4155
4156int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
4157{
4158 int i, ret, unknown;
4159 char **opts_copy;
4160
4161 sort_options(opts, fio_options, num_opts);
4162 opts_copy = dup_and_sub_options(opts, num_opts);
4163
4164 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4165 struct fio_option *o;
4166 int newret = parse_option(opts_copy[i], opts[i], fio_options,
4167 &o, td, &td->opt_list);
4168
4169 if (!newret && o)
4170 fio_option_mark_set(&td->o, o);
4171
4172 if (opts_copy[i]) {
4173 if (newret && !o) {
4174 unknown++;
4175 continue;
4176 }
4177 free(opts_copy[i]);
4178 opts_copy[i] = NULL;
4179 }
4180
4181 ret |= newret;
4182 }
4183
4184 if (unknown) {
4185 ret |= ioengine_load(td);
4186 if (td->eo) {
4187 sort_options(opts_copy, td->io_ops->options, num_opts);
4188 opts = opts_copy;
4189 }
4190 for (i = 0; i < num_opts; i++) {
4191 struct fio_option *o = NULL;
4192 int newret = 1;
4193
4194 if (!opts_copy[i])
4195 continue;
4196
4197 if (td->eo)
4198 newret = parse_option(opts_copy[i], opts[i],
4199 td->io_ops->options, &o,
4200 td->eo, &td->opt_list);
4201
4202 ret |= newret;
4203 if (!o) {
4204 log_err("Bad option <%s>\n", opts[i]);
4205 show_closest_option(opts[i]);
4206 }
4207 free(opts_copy[i]);
4208 opts_copy[i] = NULL;
4209 }
4210 }
4211
4212 free(opts_copy);
4213 return ret;
4214}
4215
4216int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4217{
4218 int ret;
4219
4220 ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list);
4221 if (!ret) {
4222 struct fio_option *o;
4223
4224 o = find_option(fio_options, opt);
4225 if (o)
4226 fio_option_mark_set(&td->o, o);
4227 }
4228
4229 return ret;
4230}
4231
4232int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4233 char *val)
4234{
4235 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4236 &td->opt_list);
4237}
4238
4239void fio_fill_default_options(struct thread_data *td)
4240{
4241 td->o.magic = OPT_MAGIC;
4242 fill_default_options(td, fio_options);
4243}
4244
4245int fio_show_option_help(const char *opt)
4246{
4247 return show_cmd_help(fio_options, opt);
4248}
4249
4250void options_mem_dupe(void *data, struct fio_option *options)
4251{
4252 struct fio_option *o;
4253 char **ptr;
4254
4255 for (o = &options[0]; o->name; o++) {
4256 if (o->type != FIO_OPT_STR_STORE)
4257 continue;
4258
4259 ptr = td_var(data, o, o->off1);
4260 if (*ptr)
4261 *ptr = strdup(*ptr);
4262 }
4263}
4264
4265/*
4266 * dupe FIO_OPT_STR_STORE options
4267 */
4268void fio_options_mem_dupe(struct thread_data *td)
4269{
4270 options_mem_dupe(&td->o, fio_options);
4271
4272 if (td->eo && td->io_ops) {
4273 void *oldeo = td->eo;
4274
4275 td->eo = malloc(td->io_ops->option_struct_size);
4276 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4277 options_mem_dupe(td->eo, td->io_ops->options);
4278 }
4279}
4280
4281unsigned int fio_get_kb_base(void *data)
4282{
4283 struct thread_options *o = data;
4284 unsigned int kb_base = 0;
4285
4286 /*
4287 * This is a hack... For private options, *data is not holding
4288 * a pointer to the thread_options, but to private data. This means
4289 * we can't safely dereference it, but magic is first so mem wise
4290 * it is valid. But this also means that if the job first sets
4291 * kb_base and expects that to be honored by private options,
4292 * it will be disappointed. We will return the global default
4293 * for this.
4294 */
4295 if (o && o->magic == OPT_MAGIC)
4296 kb_base = o->kb_base;
4297 if (!kb_base)
4298 kb_base = 1024;
4299
4300 return kb_base;
4301}
4302
4303int add_option(struct fio_option *o)
4304{
4305 struct fio_option *__o;
4306 int opt_index = 0;
4307
4308 __o = fio_options;
4309 while (__o->name) {
4310 opt_index++;
4311 __o++;
4312 }
4313
4314 if (opt_index + 1 == FIO_MAX_OPTS) {
4315 log_err("fio: FIO_MAX_OPTS is too small\n");
4316 return 1;
4317 }
4318
4319 memcpy(&fio_options[opt_index], o, sizeof(*o));
4320 fio_options[opt_index + 1].name = NULL;
4321 return 0;
4322}
4323
4324void invalidate_profile_options(const char *prof_name)
4325{
4326 struct fio_option *o;
4327
4328 o = fio_options;
4329 while (o->name) {
4330 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4331 o->type = FIO_OPT_INVALID;
4332 o->prof_name = NULL;
4333 }
4334 o++;
4335 }
4336}
4337
4338void add_opt_posval(const char *optname, const char *ival, const char *help)
4339{
4340 struct fio_option *o;
4341 unsigned int i;
4342
4343 o = find_option(fio_options, optname);
4344 if (!o)
4345 return;
4346
4347 for (i = 0; i < PARSE_MAX_VP; i++) {
4348 if (o->posval[i].ival)
4349 continue;
4350
4351 o->posval[i].ival = ival;
4352 o->posval[i].help = help;
4353 break;
4354 }
4355}
4356
4357void del_opt_posval(const char *optname, const char *ival)
4358{
4359 struct fio_option *o;
4360 unsigned int i;
4361
4362 o = find_option(fio_options, optname);
4363 if (!o)
4364 return;
4365
4366 for (i = 0; i < PARSE_MAX_VP; i++) {
4367 if (!o->posval[i].ival)
4368 continue;
4369 if (strcmp(o->posval[i].ival, ival))
4370 continue;
4371
4372 o->posval[i].ival = NULL;
4373 o->posval[i].help = NULL;
4374 }
4375}
4376
4377void fio_options_free(struct thread_data *td)
4378{
4379 options_free(fio_options, td);
4380 if (td->eo && td->io_ops && td->io_ops->options) {
4381 options_free(td->io_ops->options, td->eo);
4382 free(td->eo);
4383 td->eo = NULL;
4384 }
4385}
4386
4387struct fio_option *fio_option_find(const char *name)
4388{
4389 return find_option(fio_options, name);
4390}
4391
4392static struct fio_option *find_next_opt(struct thread_options *o,
4393 struct fio_option *from,
4394 unsigned int off1)
4395{
4396 struct fio_option *opt;
4397
4398 if (!from)
4399 from = &fio_options[0];
4400 else
4401 from++;
4402
4403 opt = NULL;
4404 do {
4405 if (off1 == from->off1) {
4406 opt = from;
4407 break;
4408 }
4409 from++;
4410 } while (from->name);
4411
4412 return opt;
4413}
4414
4415static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4416{
4417 unsigned int opt_off, index, offset;
4418
4419 opt_off = opt - &fio_options[0];
4420 index = opt_off / (8 * sizeof(uint64_t));
4421 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4422 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
4423}
4424
4425bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
4426{
4427 struct fio_option *opt, *next;
4428
4429 next = NULL;
4430 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4431 if (opt_is_set(o, opt))
4432 return true;
4433
4434 next = opt;
4435 }
4436
4437 return false;
4438}
4439
4440void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4441{
4442 unsigned int opt_off, index, offset;
4443
4444 opt_off = opt - &fio_options[0];
4445 index = opt_off / (8 * sizeof(uint64_t));
4446 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4447 o->set_options[index] |= (uint64_t)1 << offset;
4448}
fio - Flexible IO Tester