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helper_thread: split into separate file
[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
23struct pattern_fmt_desc fmt_desc[] = {
24 {
25 .fmt = "%o",
26 .len = FIELD_SIZE(struct io_u *, offset),
27 .paste = paste_blockoff
28 }
29};
30
31/*
32 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
33 */
34static char *get_opt_postfix(const char *str)
35{
36 char *p = strstr(str, ":");
37
38 if (!p)
39 return NULL;
40
41 p++;
42 strip_blank_front(&p);
43 strip_blank_end(p);
44 return strdup(p);
45}
46
47static int bs_cmp(const void *p1, const void *p2)
48{
49 const struct bssplit *bsp1 = p1;
50 const struct bssplit *bsp2 = p2;
51
52 return (int) bsp1->perc - (int) bsp2->perc;
53}
54
55struct split {
56 unsigned int nr;
57 unsigned int val1[100];
58 unsigned int val2[100];
59};
60
61static int split_parse_ddir(struct thread_options *o, struct split *split,
62 enum fio_ddir ddir, char *str)
63{
64 unsigned int i, perc;
65 long long val;
66 char *fname;
67
68 split->nr = 0;
69
70 i = 0;
71 while ((fname = strsep(&str, ":")) != NULL) {
72 char *perc_str;
73
74 if (!strlen(fname))
75 break;
76
77 perc_str = strstr(fname, "/");
78 if (perc_str) {
79 *perc_str = '\0';
80 perc_str++;
81 perc = atoi(perc_str);
82 if (perc > 100)
83 perc = 100;
84 else if (!perc)
85 perc = -1U;
86 } else
87 perc = -1U;
88
89 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
90 log_err("fio: bssplit conversion failed\n");
91 return 1;
92 }
93
94 split->val1[i] = val;
95 split->val2[i] = perc;
96 i++;
97 if (i == 100)
98 break;
99 }
100
101 split->nr = i;
102 return 0;
103}
104
105static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
106{
107 unsigned int i, perc, perc_missing;
108 unsigned int max_bs, min_bs;
109 struct split split;
110
111 memset(&split, 0, sizeof(split));
112
113 if (split_parse_ddir(o, &split, ddir, str))
114 return 1;
115 if (!split.nr)
116 return 0;
117
118 max_bs = 0;
119 min_bs = -1;
120 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
121 o->bssplit_nr[ddir] = split.nr;
122 for (i = 0; i < split.nr; i++) {
123 if (split.val1[i] > max_bs)
124 max_bs = split.val1[i];
125 if (split.val1[i] < min_bs)
126 min_bs = split.val1[i];
127
128 o->bssplit[ddir][i].bs = split.val1[i];
129 o->bssplit[ddir][i].perc =split.val2[i];
130 }
131
132 /*
133 * Now check if the percentages add up, and how much is missing
134 */
135 perc = perc_missing = 0;
136 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
137 struct bssplit *bsp = &o->bssplit[ddir][i];
138
139 if (bsp->perc == -1U)
140 perc_missing++;
141 else
142 perc += bsp->perc;
143 }
144
145 if (perc > 100 && perc_missing > 1) {
146 log_err("fio: bssplit percentages add to more than 100%%\n");
147 free(o->bssplit[ddir]);
148 o->bssplit[ddir] = NULL;
149 return 1;
150 }
151
152 /*
153 * If values didn't have a percentage set, divide the remains between
154 * them.
155 */
156 if (perc_missing) {
157 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
158 perc = 100;
159 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
160 struct bssplit *bsp = &o->bssplit[ddir][i];
161
162 if (bsp->perc == -1U)
163 bsp->perc = (100 - perc) / perc_missing;
164 }
165 }
166
167 o->min_bs[ddir] = min_bs;
168 o->max_bs[ddir] = max_bs;
169
170 /*
171 * now sort based on percentages, for ease of lookup
172 */
173 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
174 return 0;
175}
176
177typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *);
178
179static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn)
180{
181 char *odir, *ddir;
182 int ret = 0;
183
184 odir = strchr(str, ',');
185 if (odir) {
186 ddir = strchr(odir + 1, ',');
187 if (ddir) {
188 ret = fn(&td->o, DDIR_TRIM, ddir + 1);
189 if (!ret)
190 *ddir = '\0';
191 } else {
192 char *op;
193
194 op = strdup(odir + 1);
195 ret = fn(&td->o, DDIR_TRIM, op);
196
197 free(op);
198 }
199 if (!ret)
200 ret = fn(&td->o, DDIR_WRITE, odir + 1);
201 if (!ret) {
202 *odir = '\0';
203 ret = fn(&td->o, DDIR_READ, str);
204 }
205 } else {
206 char *op;
207
208 op = strdup(str);
209 ret = fn(&td->o, DDIR_WRITE, op);
210 free(op);
211
212 if (!ret) {
213 op = strdup(str);
214 ret = fn(&td->o, DDIR_TRIM, op);
215 free(op);
216 }
217 if (!ret)
218 ret = fn(&td->o, DDIR_READ, str);
219 }
220
221 return ret;
222}
223
224static int str_bssplit_cb(void *data, const char *input)
225{
226 struct thread_data *td = data;
227 char *str, *p;
228 int ret = 0;
229
230 p = str = strdup(input);
231
232 strip_blank_front(&str);
233 strip_blank_end(str);
234
235 ret = str_split_parse(td, str, bssplit_ddir);
236
237 if (parse_dryrun()) {
238 int i;
239
240 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
241 free(td->o.bssplit[i]);
242 td->o.bssplit[i] = NULL;
243 td->o.bssplit_nr[i] = 0;
244 }
245 }
246
247 free(p);
248 return ret;
249}
250
251static int str2error(char *str)
252{
253 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
254 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
255 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
256 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
257 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
258 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
259 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
260 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
261 int i = 0, num = sizeof(err) / sizeof(void *);
262
263 while (i < num) {
264 if (!strcmp(err[i], str))
265 return i + 1;
266 i++;
267 }
268 return 0;
269}
270
271static int ignore_error_type(struct thread_data *td, int etype, char *str)
272{
273 unsigned int i;
274 int *error;
275 char *fname;
276
277 if (etype >= ERROR_TYPE_CNT) {
278 log_err("Illegal error type\n");
279 return 1;
280 }
281
282 td->o.ignore_error_nr[etype] = 4;
283 error = malloc(4 * sizeof(struct bssplit));
284
285 i = 0;
286 while ((fname = strsep(&str, ":")) != NULL) {
287
288 if (!strlen(fname))
289 break;
290
291 /*
292 * grow struct buffer, if needed
293 */
294 if (i == td->o.ignore_error_nr[etype]) {
295 td->o.ignore_error_nr[etype] <<= 1;
296 error = realloc(error, td->o.ignore_error_nr[etype]
297 * sizeof(int));
298 }
299 if (fname[0] == 'E') {
300 error[i] = str2error(fname);
301 } else {
302 error[i] = atoi(fname);
303 if (error[i] < 0)
304 error[i] = -error[i];
305 }
306 if (!error[i]) {
307 log_err("Unknown error %s, please use number value \n",
308 fname);
309 free(error);
310 return 1;
311 }
312 i++;
313 }
314 if (i) {
315 td->o.continue_on_error |= 1 << etype;
316 td->o.ignore_error_nr[etype] = i;
317 td->o.ignore_error[etype] = error;
318 } else
319 free(error);
320
321 return 0;
322
323}
324
325static int str_ignore_error_cb(void *data, const char *input)
326{
327 struct thread_data *td = data;
328 char *str, *p, *n;
329 int type = 0, ret = 1;
330
331 if (parse_dryrun())
332 return 0;
333
334 p = str = strdup(input);
335
336 strip_blank_front(&str);
337 strip_blank_end(str);
338
339 while (p) {
340 n = strchr(p, ',');
341 if (n)
342 *n++ = '\0';
343 ret = ignore_error_type(td, type, p);
344 if (ret)
345 break;
346 p = n;
347 type++;
348 }
349 free(str);
350 return ret;
351}
352
353static int str_rw_cb(void *data, const char *str)
354{
355 struct thread_data *td = data;
356 struct thread_options *o = &td->o;
357 char *nr;
358
359 if (parse_dryrun())
360 return 0;
361
362 o->ddir_seq_nr = 1;
363 o->ddir_seq_add = 0;
364
365 nr = get_opt_postfix(str);
366 if (!nr)
367 return 0;
368
369 if (td_random(td))
370 o->ddir_seq_nr = atoi(nr);
371 else {
372 long long val;
373
374 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
375 log_err("fio: rw postfix parsing failed\n");
376 free(nr);
377 return 1;
378 }
379
380 o->ddir_seq_add = val;
381 }
382
383 free(nr);
384 return 0;
385}
386
387static int str_mem_cb(void *data, const char *mem)
388{
389 struct thread_data *td = data;
390
391 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
392 td->o.mem_type == MEM_MMAPSHARED)
393 td->o.mmapfile = get_opt_postfix(mem);
394
395 return 0;
396}
397
398static int fio_clock_source_cb(void *data, const char *str)
399{
400 struct thread_data *td = data;
401
402 fio_clock_source = td->o.clocksource;
403 fio_clock_source_set = 1;
404 fio_clock_init();
405 return 0;
406}
407
408static int str_rwmix_read_cb(void *data, unsigned long long *val)
409{
410 struct thread_data *td = data;
411
412 td->o.rwmix[DDIR_READ] = *val;
413 td->o.rwmix[DDIR_WRITE] = 100 - *val;
414 return 0;
415}
416
417static int str_rwmix_write_cb(void *data, unsigned long long *val)
418{
419 struct thread_data *td = data;
420
421 td->o.rwmix[DDIR_WRITE] = *val;
422 td->o.rwmix[DDIR_READ] = 100 - *val;
423 return 0;
424}
425
426static int str_exitall_cb(void)
427{
428 exitall_on_terminate = 1;
429 return 0;
430}
431
432#ifdef FIO_HAVE_CPU_AFFINITY
433int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
434{
435 unsigned int i, index, cpus_in_mask;
436 const long max_cpu = cpus_online();
437
438 cpus_in_mask = fio_cpu_count(mask);
439 cpu_index = cpu_index % cpus_in_mask;
440
441 index = 0;
442 for (i = 0; i < max_cpu; i++) {
443 if (!fio_cpu_isset(mask, i))
444 continue;
445
446 if (cpu_index != index)
447 fio_cpu_clear(mask, i);
448
449 index++;
450 }
451
452 return fio_cpu_count(mask);
453}
454
455static int str_cpumask_cb(void *data, unsigned long long *val)
456{
457 struct thread_data *td = data;
458 unsigned int i;
459 long max_cpu;
460 int ret;
461
462 if (parse_dryrun())
463 return 0;
464
465 ret = fio_cpuset_init(&td->o.cpumask);
466 if (ret < 0) {
467 log_err("fio: cpuset_init failed\n");
468 td_verror(td, ret, "fio_cpuset_init");
469 return 1;
470 }
471
472 max_cpu = cpus_online();
473
474 for (i = 0; i < sizeof(int) * 8; i++) {
475 if ((1 << i) & *val) {
476 if (i >= max_cpu) {
477 log_err("fio: CPU %d too large (max=%ld)\n", i,
478 max_cpu - 1);
479 return 1;
480 }
481 dprint(FD_PARSE, "set cpu allowed %d\n", i);
482 fio_cpu_set(&td->o.cpumask, i);
483 }
484 }
485
486 return 0;
487}
488
489static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
490 const char *input)
491{
492 char *cpu, *str, *p;
493 long max_cpu;
494 int ret = 0;
495
496 ret = fio_cpuset_init(mask);
497 if (ret < 0) {
498 log_err("fio: cpuset_init failed\n");
499 td_verror(td, ret, "fio_cpuset_init");
500 return 1;
501 }
502
503 p = str = strdup(input);
504
505 strip_blank_front(&str);
506 strip_blank_end(str);
507
508 max_cpu = cpus_online();
509
510 while ((cpu = strsep(&str, ",")) != NULL) {
511 char *str2, *cpu2;
512 int icpu, icpu2;
513
514 if (!strlen(cpu))
515 break;
516
517 str2 = cpu;
518 icpu2 = -1;
519 while ((cpu2 = strsep(&str2, "-")) != NULL) {
520 if (!strlen(cpu2))
521 break;
522
523 icpu2 = atoi(cpu2);
524 }
525
526 icpu = atoi(cpu);
527 if (icpu2 == -1)
528 icpu2 = icpu;
529 while (icpu <= icpu2) {
530 if (icpu >= FIO_MAX_CPUS) {
531 log_err("fio: your OS only supports up to"
532 " %d CPUs\n", (int) FIO_MAX_CPUS);
533 ret = 1;
534 break;
535 }
536 if (icpu >= max_cpu) {
537 log_err("fio: CPU %d too large (max=%ld)\n",
538 icpu, max_cpu - 1);
539 ret = 1;
540 break;
541 }
542
543 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
544 fio_cpu_set(mask, icpu);
545 icpu++;
546 }
547 if (ret)
548 break;
549 }
550
551 free(p);
552 return ret;
553}
554
555static int str_cpus_allowed_cb(void *data, const char *input)
556{
557 struct thread_data *td = data;
558
559 if (parse_dryrun())
560 return 0;
561
562 return set_cpus_allowed(td, &td->o.cpumask, input);
563}
564
565static int str_verify_cpus_allowed_cb(void *data, const char *input)
566{
567 struct thread_data *td = data;
568
569 if (parse_dryrun())
570 return 0;
571
572 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
573}
574
575#ifdef CONFIG_ZLIB
576static int str_log_cpus_allowed_cb(void *data, const char *input)
577{
578 struct thread_data *td = data;
579
580 if (parse_dryrun())
581 return 0;
582
583 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
584}
585#endif /* CONFIG_ZLIB */
586
587#endif /* FIO_HAVE_CPU_AFFINITY */
588
589#ifdef CONFIG_LIBNUMA
590static int str_numa_cpunodes_cb(void *data, char *input)
591{
592 struct thread_data *td = data;
593 struct bitmask *verify_bitmask;
594
595 if (parse_dryrun())
596 return 0;
597
598 /* numa_parse_nodestring() parses a character string list
599 * of nodes into a bit mask. The bit mask is allocated by
600 * numa_allocate_nodemask(), so it should be freed by
601 * numa_free_nodemask().
602 */
603 verify_bitmask = numa_parse_nodestring(input);
604 if (verify_bitmask == NULL) {
605 log_err("fio: numa_parse_nodestring failed\n");
606 td_verror(td, 1, "str_numa_cpunodes_cb");
607 return 1;
608 }
609 numa_free_nodemask(verify_bitmask);
610
611 td->o.numa_cpunodes = strdup(input);
612 return 0;
613}
614
615static int str_numa_mpol_cb(void *data, char *input)
616{
617 struct thread_data *td = data;
618 const char * const policy_types[] =
619 { "default", "prefer", "bind", "interleave", "local", NULL };
620 int i;
621 char *nodelist;
622 struct bitmask *verify_bitmask;
623
624 if (parse_dryrun())
625 return 0;
626
627 nodelist = strchr(input, ':');
628 if (nodelist) {
629 /* NUL-terminate mode */
630 *nodelist++ = '\0';
631 }
632
633 for (i = 0; i <= MPOL_LOCAL; i++) {
634 if (!strcmp(input, policy_types[i])) {
635 td->o.numa_mem_mode = i;
636 break;
637 }
638 }
639 if (i > MPOL_LOCAL) {
640 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
641 goto out;
642 }
643
644 switch (td->o.numa_mem_mode) {
645 case MPOL_PREFERRED:
646 /*
647 * Insist on a nodelist of one node only
648 */
649 if (nodelist) {
650 char *rest = nodelist;
651 while (isdigit(*rest))
652 rest++;
653 if (*rest) {
654 log_err("fio: one node only for \'prefer\'\n");
655 goto out;
656 }
657 } else {
658 log_err("fio: one node is needed for \'prefer\'\n");
659 goto out;
660 }
661 break;
662 case MPOL_INTERLEAVE:
663 /*
664 * Default to online nodes with memory if no nodelist
665 */
666 if (!nodelist)
667 nodelist = strdup("all");
668 break;
669 case MPOL_LOCAL:
670 case MPOL_DEFAULT:
671 /*
672 * Don't allow a nodelist
673 */
674 if (nodelist) {
675 log_err("fio: NO nodelist for \'local\'\n");
676 goto out;
677 }
678 break;
679 case MPOL_BIND:
680 /*
681 * Insist on a nodelist
682 */
683 if (!nodelist) {
684 log_err("fio: a nodelist is needed for \'bind\'\n");
685 goto out;
686 }
687 break;
688 }
689
690
691 /* numa_parse_nodestring() parses a character string list
692 * of nodes into a bit mask. The bit mask is allocated by
693 * numa_allocate_nodemask(), so it should be freed by
694 * numa_free_nodemask().
695 */
696 switch (td->o.numa_mem_mode) {
697 case MPOL_PREFERRED:
698 td->o.numa_mem_prefer_node = atoi(nodelist);
699 break;
700 case MPOL_INTERLEAVE:
701 case MPOL_BIND:
702 verify_bitmask = numa_parse_nodestring(nodelist);
703 if (verify_bitmask == NULL) {
704 log_err("fio: numa_parse_nodestring failed\n");
705 td_verror(td, 1, "str_numa_memnodes_cb");
706 return 1;
707 }
708 td->o.numa_memnodes = strdup(nodelist);
709 numa_free_nodemask(verify_bitmask);
710
711 break;
712 case MPOL_LOCAL:
713 case MPOL_DEFAULT:
714 default:
715 break;
716 }
717
718 return 0;
719out:
720 return 1;
721}
722#endif
723
724static int str_fst_cb(void *data, const char *str)
725{
726 struct thread_data *td = data;
727 char *nr = get_opt_postfix(str);
728
729 td->file_service_nr = 1;
730 if (nr) {
731 td->file_service_nr = atoi(nr);
732 free(nr);
733 }
734
735 return 0;
736}
737
738#ifdef CONFIG_SYNC_FILE_RANGE
739static int str_sfr_cb(void *data, const char *str)
740{
741 struct thread_data *td = data;
742 char *nr = get_opt_postfix(str);
743
744 td->sync_file_range_nr = 1;
745 if (nr) {
746 td->sync_file_range_nr = atoi(nr);
747 free(nr);
748 }
749
750 return 0;
751}
752#endif
753
754static int zone_cmp(const void *p1, const void *p2)
755{
756 const struct zone_split *zsp1 = p1;
757 const struct zone_split *zsp2 = p2;
758
759 return (int) zsp2->access_perc - (int) zsp1->access_perc;
760}
761
762static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
763 char *str)
764{
765 unsigned int i, perc, perc_missing, sperc, sperc_missing;
766 struct split split;
767
768 memset(&split, 0, sizeof(split));
769
770 if (split_parse_ddir(o, &split, ddir, str))
771 return 1;
772 if (!split.nr)
773 return 0;
774
775 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
776 o->zone_split_nr[ddir] = split.nr;
777 for (i = 0; i < split.nr; i++) {
778 o->zone_split[ddir][i].access_perc = split.val1[i];
779 o->zone_split[ddir][i].size_perc = split.val2[i];
780 }
781
782 /*
783 * Now check if the percentages add up, and how much is missing
784 */
785 perc = perc_missing = 0;
786 sperc = sperc_missing = 0;
787 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
788 struct zone_split *zsp = &o->zone_split[ddir][i];
789
790 if (zsp->access_perc == (uint8_t) -1U)
791 perc_missing++;
792 else
793 perc += zsp->access_perc;
794
795 if (zsp->size_perc == (uint8_t) -1U)
796 sperc_missing++;
797 else
798 sperc += zsp->size_perc;
799
800 }
801
802 if (perc > 100 || sperc > 100) {
803 log_err("fio: zone_split percentages add to more than 100%%\n");
804 free(o->zone_split[ddir]);
805 o->zone_split[ddir] = NULL;
806 return 1;
807 }
808 if (perc < 100) {
809 log_err("fio: access percentage don't add up to 100 for zoned "
810 "random distribution (got=%u)\n", perc);
811 free(o->zone_split[ddir]);
812 o->zone_split[ddir] = NULL;
813 return 1;
814 }
815
816 /*
817 * If values didn't have a percentage set, divide the remains between
818 * them.
819 */
820 if (perc_missing) {
821 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
822 perc = 100;
823 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
824 struct zone_split *zsp = &o->zone_split[ddir][i];
825
826 if (zsp->access_perc == (uint8_t) -1U)
827 zsp->access_perc = (100 - perc) / perc_missing;
828 }
829 }
830 if (sperc_missing) {
831 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
832 sperc = 100;
833 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
834 struct zone_split *zsp = &o->zone_split[ddir][i];
835
836 if (zsp->size_perc == (uint8_t) -1U)
837 zsp->size_perc = (100 - sperc) / sperc_missing;
838 }
839 }
840
841 /*
842 * now sort based on percentages, for ease of lookup
843 */
844 qsort(o->zone_split[ddir], o->zone_split_nr[ddir], sizeof(struct zone_split), zone_cmp);
845 return 0;
846}
847
848static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
849{
850 unsigned int i, j, sprev, aprev;
851
852 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
853
854 sprev = aprev = 0;
855 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
856 struct zone_split *zsp = &td->o.zone_split[ddir][i];
857
858 for (j = aprev; j < aprev + zsp->access_perc; j++) {
859 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
860
861 zsi->size_perc = sprev + zsp->size_perc;
862 zsi->size_perc_prev = sprev;
863 }
864
865 aprev += zsp->access_perc;
866 sprev += zsp->size_perc;
867 }
868}
869
870/*
871 * Generate state table for indexes, so we don't have to do it inline from
872 * the hot IO path
873 */
874static void td_zone_gen_index(struct thread_data *td)
875{
876 int i;
877
878 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
879 sizeof(struct zone_split_index *));
880
881 for (i = 0; i < DDIR_RWDIR_CNT; i++)
882 __td_zone_gen_index(td, i);
883}
884
885static int parse_zoned_distribution(struct thread_data *td, const char *input)
886{
887 char *str, *p;
888 int i, ret = 0;
889
890 p = str = strdup(input);
891
892 strip_blank_front(&str);
893 strip_blank_end(str);
894
895 /* We expect it to start like that, bail if not */
896 if (strncmp(str, "zoned:", 6)) {
897 log_err("fio: mismatch in zoned input <%s>\n", str);
898 free(p);
899 return 1;
900 }
901 str += strlen("zoned:");
902
903 ret = str_split_parse(td, str, zone_split_ddir);
904
905 free(p);
906
907 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
908 int j;
909
910 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
911
912 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
913 struct zone_split *zsp = &td->o.zone_split[i][j];
914
915 dprint(FD_PARSE, "\t%d: %u/%u\n", j, zsp->access_perc,
916 zsp->size_perc);
917 }
918 }
919
920 if (parse_dryrun()) {
921 int i;
922
923 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
924 free(td->o.zone_split[i]);
925 td->o.zone_split[i] = NULL;
926 td->o.zone_split_nr[i] = 0;
927 }
928
929 return ret;
930 }
931
932 if (!ret)
933 td_zone_gen_index(td);
934 else {
935 for (i = 0; i < DDIR_RWDIR_CNT; i++)
936 td->o.zone_split_nr[i] = 0;
937 }
938
939 return ret;
940}
941
942static int str_random_distribution_cb(void *data, const char *str)
943{
944 struct thread_data *td = data;
945 double val;
946 char *nr;
947
948 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
949 val = FIO_DEF_ZIPF;
950 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
951 val = FIO_DEF_PARETO;
952 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
953 val = 0.0;
954 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
955 return parse_zoned_distribution(td, str);
956 else
957 return 0;
958
959 nr = get_opt_postfix(str);
960 if (nr && !str_to_float(nr, &val, 0)) {
961 log_err("fio: random postfix parsing failed\n");
962 free(nr);
963 return 1;
964 }
965
966 free(nr);
967
968 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
969 if (val == 1.00) {
970 log_err("fio: zipf theta must different than 1.0\n");
971 return 1;
972 }
973 if (parse_dryrun())
974 return 0;
975 td->o.zipf_theta.u.f = val;
976 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
977 if (val <= 0.00 || val >= 1.00) {
978 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
979 return 1;
980 }
981 if (parse_dryrun())
982 return 0;
983 td->o.pareto_h.u.f = val;
984 } else {
985 if (val <= 0.00 || val >= 100.0) {
986 log_err("fio: normal deviation out of range (0 < input < 100.0)\n");
987 return 1;
988 }
989 if (parse_dryrun())
990 return 0;
991 td->o.gauss_dev.u.f = val;
992 }
993
994 return 0;
995}
996
997/*
998 * Return next name in the string. Files are separated with ':'. If the ':'
999 * is escaped with a '\', then that ':' is part of the filename and does not
1000 * indicate a new file.
1001 */
1002static char *get_next_name(char **ptr)
1003{
1004 char *str = *ptr;
1005 char *p, *start;
1006
1007 if (!str || !strlen(str))
1008 return NULL;
1009
1010 start = str;
1011 do {
1012 /*
1013 * No colon, we are done
1014 */
1015 p = strchr(str, ':');
1016 if (!p) {
1017 *ptr = NULL;
1018 break;
1019 }
1020
1021 /*
1022 * We got a colon, but it's the first character. Skip and
1023 * continue
1024 */
1025 if (p == start) {
1026 str = ++start;
1027 continue;
1028 }
1029
1030 if (*(p - 1) != '\\') {
1031 *p = '\0';
1032 *ptr = p + 1;
1033 break;
1034 }
1035
1036 memmove(p - 1, p, strlen(p) + 1);
1037 str = p;
1038 } while (1);
1039
1040 return start;
1041}
1042
1043
1044static int get_max_name_idx(char *input)
1045{
1046 unsigned int cur_idx;
1047 char *str, *p;
1048
1049 p = str = strdup(input);
1050 for (cur_idx = 0; ; cur_idx++)
1051 if (get_next_name(&str) == NULL)
1052 break;
1053
1054 free(p);
1055 return cur_idx;
1056}
1057
1058/*
1059 * Returns the directory at the index, indexes > entires will be
1060 * assigned via modulo division of the index
1061 */
1062int set_name_idx(char *target, size_t tlen, char *input, int index)
1063{
1064 unsigned int cur_idx;
1065 int len;
1066 char *fname, *str, *p;
1067
1068 p = str = strdup(input);
1069
1070 index %= get_max_name_idx(input);
1071 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1072 fname = get_next_name(&str);
1073
1074 if (client_sockaddr_str[0]) {
1075 len = snprintf(target, tlen, "%s/%s.", fname,
1076 client_sockaddr_str);
1077 } else
1078 len = snprintf(target, tlen, "%s/", fname);
1079
1080 target[tlen - 1] = '\0';
1081 free(p);
1082
1083 return len;
1084}
1085
1086static int str_filename_cb(void *data, const char *input)
1087{
1088 struct thread_data *td = data;
1089 char *fname, *str, *p;
1090
1091 p = str = strdup(input);
1092
1093 strip_blank_front(&str);
1094 strip_blank_end(str);
1095
1096 if (!td->files_index)
1097 td->o.nr_files = 0;
1098
1099 while ((fname = get_next_name(&str)) != NULL) {
1100 if (!strlen(fname))
1101 break;
1102 add_file(td, fname, 0, 1);
1103 }
1104
1105 free(p);
1106 return 0;
1107}
1108
1109static int str_directory_cb(void *data, const char fio_unused *unused)
1110{
1111 struct thread_data *td = data;
1112 struct stat sb;
1113 char *dirname, *str, *p;
1114 int ret = 0;
1115
1116 if (parse_dryrun())
1117 return 0;
1118
1119 p = str = strdup(td->o.directory);
1120 while ((dirname = get_next_name(&str)) != NULL) {
1121 if (lstat(dirname, &sb) < 0) {
1122 ret = errno;
1123
1124 log_err("fio: %s is not a directory\n", dirname);
1125 td_verror(td, ret, "lstat");
1126 goto out;
1127 }
1128 if (!S_ISDIR(sb.st_mode)) {
1129 log_err("fio: %s is not a directory\n", dirname);
1130 ret = 1;
1131 goto out;
1132 }
1133 }
1134
1135out:
1136 free(p);
1137 return ret;
1138}
1139
1140static int str_opendir_cb(void *data, const char fio_unused *str)
1141{
1142 struct thread_data *td = data;
1143
1144 if (parse_dryrun())
1145 return 0;
1146
1147 if (!td->files_index)
1148 td->o.nr_files = 0;
1149
1150 return add_dir_files(td, td->o.opendir);
1151}
1152
1153static int str_buffer_pattern_cb(void *data, const char *input)
1154{
1155 struct thread_data *td = data;
1156 int ret;
1157
1158 /* FIXME: for now buffer pattern does not support formats */
1159 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1160 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1161 if (ret < 0)
1162 return 1;
1163
1164 assert(ret != 0);
1165 td->o.buffer_pattern_bytes = ret;
1166 if (!td->o.compress_percentage)
1167 td->o.refill_buffers = 0;
1168 td->o.scramble_buffers = 0;
1169 td->o.zero_buffers = 0;
1170
1171 return 0;
1172}
1173
1174static int str_buffer_compress_cb(void *data, unsigned long long *il)
1175{
1176 struct thread_data *td = data;
1177
1178 td->flags |= TD_F_COMPRESS;
1179 td->o.compress_percentage = *il;
1180 return 0;
1181}
1182
1183static int str_dedupe_cb(void *data, unsigned long long *il)
1184{
1185 struct thread_data *td = data;
1186
1187 td->flags |= TD_F_COMPRESS;
1188 td->o.dedupe_percentage = *il;
1189 td->o.refill_buffers = 1;
1190 return 0;
1191}
1192
1193static int str_verify_pattern_cb(void *data, const char *input)
1194{
1195 struct thread_data *td = data;
1196 int ret;
1197
1198 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1199 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
1200 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1201 td->o.verify_fmt, &td->o.verify_fmt_sz);
1202 if (ret < 0)
1203 return 1;
1204
1205 assert(ret != 0);
1206 td->o.verify_pattern_bytes = ret;
1207 /*
1208 * VERIFY_* could already be set
1209 */
1210 if (!fio_option_is_set(&td->o, verify))
1211 td->o.verify = VERIFY_PATTERN;
1212
1213 return 0;
1214}
1215
1216static int str_gtod_reduce_cb(void *data, int *il)
1217{
1218 struct thread_data *td = data;
1219 int val = *il;
1220
1221 td->o.disable_lat = !!val;
1222 td->o.disable_clat = !!val;
1223 td->o.disable_slat = !!val;
1224 td->o.disable_bw = !!val;
1225 td->o.clat_percentiles = !val;
1226 if (val)
1227 td->tv_cache_mask = 63;
1228
1229 return 0;
1230}
1231
1232static int str_size_cb(void *data, unsigned long long *__val)
1233{
1234 struct thread_data *td = data;
1235 unsigned long long v = *__val;
1236
1237 if (parse_is_percent(v)) {
1238 td->o.size = 0;
1239 td->o.size_percent = -1ULL - v;
1240 } else
1241 td->o.size = v;
1242
1243 return 0;
1244}
1245
1246static int rw_verify(struct fio_option *o, void *data)
1247{
1248 struct thread_data *td = data;
1249
1250 if (read_only && td_write(td)) {
1251 log_err("fio: job <%s> has write bit set, but fio is in"
1252 " read-only mode\n", td->o.name);
1253 return 1;
1254 }
1255
1256 return 0;
1257}
1258
1259static int gtod_cpu_verify(struct fio_option *o, void *data)
1260{
1261#ifndef FIO_HAVE_CPU_AFFINITY
1262 struct thread_data *td = data;
1263
1264 if (td->o.gtod_cpu) {
1265 log_err("fio: platform must support CPU affinity for"
1266 "gettimeofday() offloading\n");
1267 return 1;
1268 }
1269#endif
1270
1271 return 0;
1272}
1273
1274/*
1275 * Map of job/command line options
1276 */
1277struct fio_option fio_options[FIO_MAX_OPTS] = {
1278 {
1279 .name = "description",
1280 .lname = "Description of job",
1281 .type = FIO_OPT_STR_STORE,
1282 .off1 = td_var_offset(description),
1283 .help = "Text job description",
1284 .category = FIO_OPT_C_GENERAL,
1285 .group = FIO_OPT_G_DESC,
1286 },
1287 {
1288 .name = "name",
1289 .lname = "Job name",
1290 .type = FIO_OPT_STR_STORE,
1291 .off1 = td_var_offset(name),
1292 .help = "Name of this job",
1293 .category = FIO_OPT_C_GENERAL,
1294 .group = FIO_OPT_G_DESC,
1295 },
1296 {
1297 .name = "wait_for",
1298 .lname = "Waitee name",
1299 .type = FIO_OPT_STR_STORE,
1300 .off1 = td_var_offset(wait_for),
1301 .help = "Name of the job this one wants to wait for before starting",
1302 .category = FIO_OPT_C_GENERAL,
1303 .group = FIO_OPT_G_DESC,
1304 },
1305 {
1306 .name = "filename",
1307 .lname = "Filename(s)",
1308 .type = FIO_OPT_STR_STORE,
1309 .off1 = td_var_offset(filename),
1310 .cb = str_filename_cb,
1311 .prio = -1, /* must come after "directory" */
1312 .help = "File(s) to use for the workload",
1313 .category = FIO_OPT_C_FILE,
1314 .group = FIO_OPT_G_FILENAME,
1315 },
1316 {
1317 .name = "directory",
1318 .lname = "Directory",
1319 .type = FIO_OPT_STR_STORE,
1320 .off1 = td_var_offset(directory),
1321 .cb = str_directory_cb,
1322 .help = "Directory to store files in",
1323 .category = FIO_OPT_C_FILE,
1324 .group = FIO_OPT_G_FILENAME,
1325 },
1326 {
1327 .name = "filename_format",
1328 .type = FIO_OPT_STR_STORE,
1329 .off1 = td_var_offset(filename_format),
1330 .prio = -1, /* must come after "directory" */
1331 .help = "Override default $jobname.$jobnum.$filenum naming",
1332 .def = "$jobname.$jobnum.$filenum",
1333 .category = FIO_OPT_C_FILE,
1334 .group = FIO_OPT_G_FILENAME,
1335 },
1336 {
1337 .name = "lockfile",
1338 .lname = "Lockfile",
1339 .type = FIO_OPT_STR,
1340 .off1 = td_var_offset(file_lock_mode),
1341 .help = "Lock file when doing IO to it",
1342 .prio = 1,
1343 .parent = "filename",
1344 .hide = 0,
1345 .def = "none",
1346 .category = FIO_OPT_C_FILE,
1347 .group = FIO_OPT_G_FILENAME,
1348 .posval = {
1349 { .ival = "none",
1350 .oval = FILE_LOCK_NONE,
1351 .help = "No file locking",
1352 },
1353 { .ival = "exclusive",
1354 .oval = FILE_LOCK_EXCLUSIVE,
1355 .help = "Exclusive file lock",
1356 },
1357 {
1358 .ival = "readwrite",
1359 .oval = FILE_LOCK_READWRITE,
1360 .help = "Read vs write lock",
1361 },
1362 },
1363 },
1364 {
1365 .name = "opendir",
1366 .lname = "Open directory",
1367 .type = FIO_OPT_STR_STORE,
1368 .off1 = td_var_offset(opendir),
1369 .cb = str_opendir_cb,
1370 .help = "Recursively add files from this directory and down",
1371 .category = FIO_OPT_C_FILE,
1372 .group = FIO_OPT_G_FILENAME,
1373 },
1374 {
1375 .name = "rw",
1376 .lname = "Read/write",
1377 .alias = "readwrite",
1378 .type = FIO_OPT_STR,
1379 .cb = str_rw_cb,
1380 .off1 = td_var_offset(td_ddir),
1381 .help = "IO direction",
1382 .def = "read",
1383 .verify = rw_verify,
1384 .category = FIO_OPT_C_IO,
1385 .group = FIO_OPT_G_IO_BASIC,
1386 .posval = {
1387 { .ival = "read",
1388 .oval = TD_DDIR_READ,
1389 .help = "Sequential read",
1390 },
1391 { .ival = "write",
1392 .oval = TD_DDIR_WRITE,
1393 .help = "Sequential write",
1394 },
1395 { .ival = "trim",
1396 .oval = TD_DDIR_TRIM,
1397 .help = "Sequential trim",
1398 },
1399 { .ival = "randread",
1400 .oval = TD_DDIR_RANDREAD,
1401 .help = "Random read",
1402 },
1403 { .ival = "randwrite",
1404 .oval = TD_DDIR_RANDWRITE,
1405 .help = "Random write",
1406 },
1407 { .ival = "randtrim",
1408 .oval = TD_DDIR_RANDTRIM,
1409 .help = "Random trim",
1410 },
1411 { .ival = "rw",
1412 .oval = TD_DDIR_RW,
1413 .help = "Sequential read and write mix",
1414 },
1415 { .ival = "readwrite",
1416 .oval = TD_DDIR_RW,
1417 .help = "Sequential read and write mix",
1418 },
1419 { .ival = "randrw",
1420 .oval = TD_DDIR_RANDRW,
1421 .help = "Random read and write mix"
1422 },
1423 { .ival = "trimwrite",
1424 .oval = TD_DDIR_TRIMWRITE,
1425 .help = "Trim and write mix, trims preceding writes"
1426 },
1427 },
1428 },
1429 {
1430 .name = "rw_sequencer",
1431 .lname = "RW Sequencer",
1432 .type = FIO_OPT_STR,
1433 .off1 = td_var_offset(rw_seq),
1434 .help = "IO offset generator modifier",
1435 .def = "sequential",
1436 .category = FIO_OPT_C_IO,
1437 .group = FIO_OPT_G_IO_BASIC,
1438 .posval = {
1439 { .ival = "sequential",
1440 .oval = RW_SEQ_SEQ,
1441 .help = "Generate sequential offsets",
1442 },
1443 { .ival = "identical",
1444 .oval = RW_SEQ_IDENT,
1445 .help = "Generate identical offsets",
1446 },
1447 },
1448 },
1449
1450 {
1451 .name = "ioengine",
1452 .lname = "IO Engine",
1453 .type = FIO_OPT_STR_STORE,
1454 .off1 = td_var_offset(ioengine),
1455 .help = "IO engine to use",
1456 .def = FIO_PREFERRED_ENGINE,
1457 .category = FIO_OPT_C_IO,
1458 .group = FIO_OPT_G_IO_BASIC,
1459 .posval = {
1460 { .ival = "sync",
1461 .help = "Use read/write",
1462 },
1463 { .ival = "psync",
1464 .help = "Use pread/pwrite",
1465 },
1466 { .ival = "vsync",
1467 .help = "Use readv/writev",
1468 },
1469#ifdef CONFIG_PWRITEV
1470 { .ival = "pvsync",
1471 .help = "Use preadv/pwritev",
1472 },
1473#endif
1474#ifdef CONFIG_PWRITEV2
1475 { .ival = "pvsync2",
1476 .help = "Use preadv2/pwritev2",
1477 },
1478#endif
1479#ifdef CONFIG_LIBAIO
1480 { .ival = "libaio",
1481 .help = "Linux native asynchronous IO",
1482 },
1483#endif
1484#ifdef CONFIG_POSIXAIO
1485 { .ival = "posixaio",
1486 .help = "POSIX asynchronous IO",
1487 },
1488#endif
1489#ifdef CONFIG_SOLARISAIO
1490 { .ival = "solarisaio",
1491 .help = "Solaris native asynchronous IO",
1492 },
1493#endif
1494#ifdef CONFIG_WINDOWSAIO
1495 { .ival = "windowsaio",
1496 .help = "Windows native asynchronous IO"
1497 },
1498#endif
1499#ifdef CONFIG_RBD
1500 { .ival = "rbd",
1501 .help = "Rados Block Device asynchronous IO"
1502 },
1503#endif
1504 { .ival = "mmap",
1505 .help = "Memory mapped IO"
1506 },
1507#ifdef CONFIG_LINUX_SPLICE
1508 { .ival = "splice",
1509 .help = "splice/vmsplice based IO",
1510 },
1511 { .ival = "netsplice",
1512 .help = "splice/vmsplice to/from the network",
1513 },
1514#endif
1515#ifdef FIO_HAVE_SGIO
1516 { .ival = "sg",
1517 .help = "SCSI generic v3 IO",
1518 },
1519#endif
1520 { .ival = "null",
1521 .help = "Testing engine (no data transfer)",
1522 },
1523 { .ival = "net",
1524 .help = "Network IO",
1525 },
1526 { .ival = "cpuio",
1527 .help = "CPU cycle burner engine",
1528 },
1529#ifdef CONFIG_GUASI
1530 { .ival = "guasi",
1531 .help = "GUASI IO engine",
1532 },
1533#endif
1534#ifdef FIO_HAVE_BINJECT
1535 { .ival = "binject",
1536 .help = "binject direct inject block engine",
1537 },
1538#endif
1539#ifdef CONFIG_RDMA
1540 { .ival = "rdma",
1541 .help = "RDMA IO engine",
1542 },
1543#endif
1544#ifdef CONFIG_FUSION_AW
1545 { .ival = "fusion-aw-sync",
1546 .help = "Fusion-io atomic write engine",
1547 },
1548#endif
1549#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1550 { .ival = "e4defrag",
1551 .help = "ext4 defrag engine",
1552 },
1553#endif
1554#ifdef CONFIG_LINUX_FALLOCATE
1555 { .ival = "falloc",
1556 .help = "fallocate() file based engine",
1557 },
1558#endif
1559#ifdef CONFIG_GFAPI
1560 { .ival = "gfapi",
1561 .help = "Glusterfs libgfapi(sync) based engine"
1562 },
1563 { .ival = "gfapi_async",
1564 .help = "Glusterfs libgfapi(async) based engine"
1565 },
1566#endif
1567#ifdef CONFIG_LIBHDFS
1568 { .ival = "libhdfs",
1569 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1570 },
1571#endif
1572#ifdef CONFIG_PMEMBLK
1573 { .ival = "pmemblk",
1574 .help = "NVML libpmemblk based IO engine",
1575 },
1576
1577#endif
1578 { .ival = "external",
1579 .help = "Load external engine (append name)",
1580 },
1581 },
1582 },
1583 {
1584 .name = "iodepth",
1585 .lname = "IO Depth",
1586 .type = FIO_OPT_INT,
1587 .off1 = td_var_offset(iodepth),
1588 .help = "Number of IO buffers to keep in flight",
1589 .minval = 1,
1590 .interval = 1,
1591 .def = "1",
1592 .category = FIO_OPT_C_IO,
1593 .group = FIO_OPT_G_IO_BASIC,
1594 },
1595 {
1596 .name = "iodepth_batch",
1597 .lname = "IO Depth batch",
1598 .alias = "iodepth_batch_submit",
1599 .type = FIO_OPT_INT,
1600 .off1 = td_var_offset(iodepth_batch),
1601 .help = "Number of IO buffers to submit in one go",
1602 .parent = "iodepth",
1603 .hide = 1,
1604 .minval = 1,
1605 .interval = 1,
1606 .def = "1",
1607 .category = FIO_OPT_C_IO,
1608 .group = FIO_OPT_G_IO_BASIC,
1609 },
1610 {
1611 .name = "iodepth_batch_complete_min",
1612 .lname = "Min IO depth batch complete",
1613 .alias = "iodepth_batch_complete",
1614 .type = FIO_OPT_INT,
1615 .off1 = td_var_offset(iodepth_batch_complete_min),
1616 .help = "Min number of IO buffers to retrieve in one go",
1617 .parent = "iodepth",
1618 .hide = 1,
1619 .minval = 0,
1620 .interval = 1,
1621 .def = "1",
1622 .category = FIO_OPT_C_IO,
1623 .group = FIO_OPT_G_IO_BASIC,
1624 },
1625 {
1626 .name = "iodepth_batch_complete_max",
1627 .lname = "Max IO depth batch complete",
1628 .type = FIO_OPT_INT,
1629 .off1 = td_var_offset(iodepth_batch_complete_max),
1630 .help = "Max number of IO buffers to retrieve in one go",
1631 .parent = "iodepth",
1632 .hide = 1,
1633 .minval = 0,
1634 .interval = 1,
1635 .category = FIO_OPT_C_IO,
1636 .group = FIO_OPT_G_IO_BASIC,
1637 },
1638 {
1639 .name = "iodepth_low",
1640 .lname = "IO Depth batch low",
1641 .type = FIO_OPT_INT,
1642 .off1 = td_var_offset(iodepth_low),
1643 .help = "Low water mark for queuing depth",
1644 .parent = "iodepth",
1645 .hide = 1,
1646 .interval = 1,
1647 .category = FIO_OPT_C_IO,
1648 .group = FIO_OPT_G_IO_BASIC,
1649 },
1650 {
1651 .name = "io_submit_mode",
1652 .lname = "IO submit mode",
1653 .type = FIO_OPT_STR,
1654 .off1 = td_var_offset(io_submit_mode),
1655 .help = "How IO submissions and completions are done",
1656 .def = "inline",
1657 .category = FIO_OPT_C_IO,
1658 .group = FIO_OPT_G_IO_BASIC,
1659 .posval = {
1660 { .ival = "inline",
1661 .oval = IO_MODE_INLINE,
1662 .help = "Submit and complete IO inline",
1663 },
1664 { .ival = "offload",
1665 .oval = IO_MODE_OFFLOAD,
1666 .help = "Offload submit and complete to threads",
1667 },
1668 },
1669 },
1670 {
1671 .name = "size",
1672 .lname = "Size",
1673 .type = FIO_OPT_STR_VAL,
1674 .cb = str_size_cb,
1675 .off1 = td_var_offset(size),
1676 .help = "Total size of device or files",
1677 .interval = 1024 * 1024,
1678 .category = FIO_OPT_C_IO,
1679 .group = FIO_OPT_G_INVALID,
1680 },
1681 {
1682 .name = "io_size",
1683 .alias = "io_limit",
1684 .lname = "IO Size",
1685 .type = FIO_OPT_STR_VAL,
1686 .off1 = td_var_offset(io_limit),
1687 .interval = 1024 * 1024,
1688 .category = FIO_OPT_C_IO,
1689 .group = FIO_OPT_G_INVALID,
1690 },
1691 {
1692 .name = "fill_device",
1693 .lname = "Fill device",
1694 .alias = "fill_fs",
1695 .type = FIO_OPT_BOOL,
1696 .off1 = td_var_offset(fill_device),
1697 .help = "Write until an ENOSPC error occurs",
1698 .def = "0",
1699 .category = FIO_OPT_C_FILE,
1700 .group = FIO_OPT_G_INVALID,
1701 },
1702 {
1703 .name = "filesize",
1704 .lname = "File size",
1705 .type = FIO_OPT_STR_VAL,
1706 .off1 = td_var_offset(file_size_low),
1707 .off2 = td_var_offset(file_size_high),
1708 .minval = 1,
1709 .help = "Size of individual files",
1710 .interval = 1024 * 1024,
1711 .category = FIO_OPT_C_FILE,
1712 .group = FIO_OPT_G_INVALID,
1713 },
1714 {
1715 .name = "file_append",
1716 .lname = "File append",
1717 .type = FIO_OPT_BOOL,
1718 .off1 = td_var_offset(file_append),
1719 .help = "IO will start at the end of the file(s)",
1720 .def = "0",
1721 .category = FIO_OPT_C_FILE,
1722 .group = FIO_OPT_G_INVALID,
1723 },
1724 {
1725 .name = "offset",
1726 .lname = "IO offset",
1727 .alias = "fileoffset",
1728 .type = FIO_OPT_STR_VAL,
1729 .off1 = td_var_offset(start_offset),
1730 .help = "Start IO from this offset",
1731 .def = "0",
1732 .interval = 1024 * 1024,
1733 .category = FIO_OPT_C_IO,
1734 .group = FIO_OPT_G_INVALID,
1735 },
1736 {
1737 .name = "offset_increment",
1738 .lname = "IO offset increment",
1739 .type = FIO_OPT_STR_VAL,
1740 .off1 = td_var_offset(offset_increment),
1741 .help = "What is the increment from one offset to the next",
1742 .parent = "offset",
1743 .hide = 1,
1744 .def = "0",
1745 .interval = 1024 * 1024,
1746 .category = FIO_OPT_C_IO,
1747 .group = FIO_OPT_G_INVALID,
1748 },
1749 {
1750 .name = "number_ios",
1751 .lname = "Number of IOs to perform",
1752 .type = FIO_OPT_STR_VAL,
1753 .off1 = td_var_offset(number_ios),
1754 .help = "Force job completion after this number of IOs",
1755 .def = "0",
1756 .category = FIO_OPT_C_IO,
1757 .group = FIO_OPT_G_INVALID,
1758 },
1759 {
1760 .name = "bs",
1761 .lname = "Block size",
1762 .alias = "blocksize",
1763 .type = FIO_OPT_INT,
1764 .off1 = td_var_offset(bs[DDIR_READ]),
1765 .off2 = td_var_offset(bs[DDIR_WRITE]),
1766 .off3 = td_var_offset(bs[DDIR_TRIM]),
1767 .minval = 1,
1768 .help = "Block size unit",
1769 .def = "4k",
1770 .parent = "rw",
1771 .hide = 1,
1772 .interval = 512,
1773 .category = FIO_OPT_C_IO,
1774 .group = FIO_OPT_G_INVALID,
1775 },
1776 {
1777 .name = "ba",
1778 .lname = "Block size align",
1779 .alias = "blockalign",
1780 .type = FIO_OPT_INT,
1781 .off1 = td_var_offset(ba[DDIR_READ]),
1782 .off2 = td_var_offset(ba[DDIR_WRITE]),
1783 .off3 = td_var_offset(ba[DDIR_TRIM]),
1784 .minval = 1,
1785 .help = "IO block offset alignment",
1786 .parent = "rw",
1787 .hide = 1,
1788 .interval = 512,
1789 .category = FIO_OPT_C_IO,
1790 .group = FIO_OPT_G_INVALID,
1791 },
1792 {
1793 .name = "bsrange",
1794 .lname = "Block size range",
1795 .alias = "blocksize_range",
1796 .type = FIO_OPT_RANGE,
1797 .off1 = td_var_offset(min_bs[DDIR_READ]),
1798 .off2 = td_var_offset(max_bs[DDIR_READ]),
1799 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1800 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1801 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1802 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1803 .minval = 1,
1804 .help = "Set block size range (in more detail than bs)",
1805 .parent = "rw",
1806 .hide = 1,
1807 .interval = 4096,
1808 .category = FIO_OPT_C_IO,
1809 .group = FIO_OPT_G_INVALID,
1810 },
1811 {
1812 .name = "bssplit",
1813 .lname = "Block size split",
1814 .type = FIO_OPT_STR,
1815 .cb = str_bssplit_cb,
1816 .off1 = td_var_offset(bssplit),
1817 .help = "Set a specific mix of block sizes",
1818 .parent = "rw",
1819 .hide = 1,
1820 .category = FIO_OPT_C_IO,
1821 .group = FIO_OPT_G_INVALID,
1822 },
1823 {
1824 .name = "bs_unaligned",
1825 .lname = "Block size unaligned",
1826 .alias = "blocksize_unaligned",
1827 .type = FIO_OPT_STR_SET,
1828 .off1 = td_var_offset(bs_unaligned),
1829 .help = "Don't sector align IO buffer sizes",
1830 .parent = "rw",
1831 .hide = 1,
1832 .category = FIO_OPT_C_IO,
1833 .group = FIO_OPT_G_INVALID,
1834 },
1835 {
1836 .name = "bs_is_seq_rand",
1837 .lname = "Block size division is seq/random (not read/write)",
1838 .type = FIO_OPT_BOOL,
1839 .off1 = td_var_offset(bs_is_seq_rand),
1840 .help = "Consider any blocksize setting to be sequential,random",
1841 .def = "0",
1842 .parent = "blocksize",
1843 .category = FIO_OPT_C_IO,
1844 .group = FIO_OPT_G_INVALID,
1845 },
1846 {
1847 .name = "randrepeat",
1848 .lname = "Random repeatable",
1849 .type = FIO_OPT_BOOL,
1850 .off1 = td_var_offset(rand_repeatable),
1851 .help = "Use repeatable random IO pattern",
1852 .def = "1",
1853 .parent = "rw",
1854 .hide = 1,
1855 .category = FIO_OPT_C_IO,
1856 .group = FIO_OPT_G_RANDOM,
1857 },
1858 {
1859 .name = "randseed",
1860 .lname = "The random generator seed",
1861 .type = FIO_OPT_STR_VAL,
1862 .off1 = td_var_offset(rand_seed),
1863 .help = "Set the random generator seed value",
1864 .def = "0x89",
1865 .parent = "rw",
1866 .category = FIO_OPT_C_IO,
1867 .group = FIO_OPT_G_RANDOM,
1868 },
1869 {
1870 .name = "use_os_rand",
1871 .lname = "Use OS random",
1872 .type = FIO_OPT_DEPRECATED,
1873 .off1 = td_var_offset(dep_use_os_rand),
1874 .category = FIO_OPT_C_IO,
1875 .group = FIO_OPT_G_RANDOM,
1876 },
1877 {
1878 .name = "norandommap",
1879 .lname = "No randommap",
1880 .type = FIO_OPT_STR_SET,
1881 .off1 = td_var_offset(norandommap),
1882 .help = "Accept potential duplicate random blocks",
1883 .parent = "rw",
1884 .hide = 1,
1885 .hide_on_set = 1,
1886 .category = FIO_OPT_C_IO,
1887 .group = FIO_OPT_G_RANDOM,
1888 },
1889 {
1890 .name = "softrandommap",
1891 .lname = "Soft randommap",
1892 .type = FIO_OPT_BOOL,
1893 .off1 = td_var_offset(softrandommap),
1894 .help = "Set norandommap if randommap allocation fails",
1895 .parent = "norandommap",
1896 .hide = 1,
1897 .def = "0",
1898 .category = FIO_OPT_C_IO,
1899 .group = FIO_OPT_G_RANDOM,
1900 },
1901 {
1902 .name = "random_generator",
1903 .type = FIO_OPT_STR,
1904 .off1 = td_var_offset(random_generator),
1905 .help = "Type of random number generator to use",
1906 .def = "tausworthe",
1907 .posval = {
1908 { .ival = "tausworthe",
1909 .oval = FIO_RAND_GEN_TAUSWORTHE,
1910 .help = "Strong Tausworthe generator",
1911 },
1912 { .ival = "lfsr",
1913 .oval = FIO_RAND_GEN_LFSR,
1914 .help = "Variable length LFSR",
1915 },
1916 {
1917 .ival = "tausworthe64",
1918 .oval = FIO_RAND_GEN_TAUSWORTHE64,
1919 .help = "64-bit Tausworthe variant",
1920 },
1921 },
1922 .category = FIO_OPT_C_IO,
1923 .group = FIO_OPT_G_RANDOM,
1924 },
1925 {
1926 .name = "random_distribution",
1927 .type = FIO_OPT_STR,
1928 .off1 = td_var_offset(random_distribution),
1929 .cb = str_random_distribution_cb,
1930 .help = "Random offset distribution generator",
1931 .def = "random",
1932 .posval = {
1933 { .ival = "random",
1934 .oval = FIO_RAND_DIST_RANDOM,
1935 .help = "Completely random",
1936 },
1937 { .ival = "zipf",
1938 .oval = FIO_RAND_DIST_ZIPF,
1939 .help = "Zipf distribution",
1940 },
1941 { .ival = "pareto",
1942 .oval = FIO_RAND_DIST_PARETO,
1943 .help = "Pareto distribution",
1944 },
1945 { .ival = "normal",
1946 .oval = FIO_RAND_DIST_GAUSS,
1947 .help = "Normal (gaussian) distribution",
1948 },
1949 { .ival = "zoned",
1950 .oval = FIO_RAND_DIST_ZONED,
1951 .help = "Zoned random distribution",
1952 },
1953
1954 },
1955 .category = FIO_OPT_C_IO,
1956 .group = FIO_OPT_G_RANDOM,
1957 },
1958 {
1959 .name = "percentage_random",
1960 .lname = "Percentage Random",
1961 .type = FIO_OPT_INT,
1962 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1963 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1964 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
1965 .maxval = 100,
1966 .help = "Percentage of seq/random mix that should be random",
1967 .def = "100,100,100",
1968 .interval = 5,
1969 .inverse = "percentage_sequential",
1970 .category = FIO_OPT_C_IO,
1971 .group = FIO_OPT_G_RANDOM,
1972 },
1973 {
1974 .name = "percentage_sequential",
1975 .lname = "Percentage Sequential",
1976 .type = FIO_OPT_DEPRECATED,
1977 .category = FIO_OPT_C_IO,
1978 .group = FIO_OPT_G_RANDOM,
1979 },
1980 {
1981 .name = "allrandrepeat",
1982 .type = FIO_OPT_BOOL,
1983 .off1 = td_var_offset(allrand_repeatable),
1984 .help = "Use repeatable random numbers for everything",
1985 .def = "0",
1986 .category = FIO_OPT_C_IO,
1987 .group = FIO_OPT_G_RANDOM,
1988 },
1989 {
1990 .name = "nrfiles",
1991 .lname = "Number of files",
1992 .alias = "nr_files",
1993 .type = FIO_OPT_INT,
1994 .off1 = td_var_offset(nr_files),
1995 .help = "Split job workload between this number of files",
1996 .def = "1",
1997 .interval = 1,
1998 .category = FIO_OPT_C_FILE,
1999 .group = FIO_OPT_G_INVALID,
2000 },
2001 {
2002 .name = "openfiles",
2003 .lname = "Number of open files",
2004 .type = FIO_OPT_INT,
2005 .off1 = td_var_offset(open_files),
2006 .help = "Number of files to keep open at the same time",
2007 .category = FIO_OPT_C_FILE,
2008 .group = FIO_OPT_G_INVALID,
2009 },
2010 {
2011 .name = "file_service_type",
2012 .lname = "File service type",
2013 .type = FIO_OPT_STR,
2014 .cb = str_fst_cb,
2015 .off1 = td_var_offset(file_service_type),
2016 .help = "How to select which file to service next",
2017 .def = "roundrobin",
2018 .category = FIO_OPT_C_FILE,
2019 .group = FIO_OPT_G_INVALID,
2020 .posval = {
2021 { .ival = "random",
2022 .oval = FIO_FSERVICE_RANDOM,
2023 .help = "Choose a file at random",
2024 },
2025 { .ival = "roundrobin",
2026 .oval = FIO_FSERVICE_RR,
2027 .help = "Round robin select files",
2028 },
2029 { .ival = "sequential",
2030 .oval = FIO_FSERVICE_SEQ,
2031 .help = "Finish one file before moving to the next",
2032 },
2033 },
2034 .parent = "nrfiles",
2035 .hide = 1,
2036 },
2037#ifdef CONFIG_POSIX_FALLOCATE
2038 {
2039 .name = "fallocate",
2040 .lname = "Fallocate",
2041 .type = FIO_OPT_STR,
2042 .off1 = td_var_offset(fallocate_mode),
2043 .help = "Whether pre-allocation is performed when laying out files",
2044 .def = "posix",
2045 .category = FIO_OPT_C_FILE,
2046 .group = FIO_OPT_G_INVALID,
2047 .posval = {
2048 { .ival = "none",
2049 .oval = FIO_FALLOCATE_NONE,
2050 .help = "Do not pre-allocate space",
2051 },
2052 { .ival = "posix",
2053 .oval = FIO_FALLOCATE_POSIX,
2054 .help = "Use posix_fallocate()",
2055 },
2056#ifdef CONFIG_LINUX_FALLOCATE
2057 { .ival = "keep",
2058 .oval = FIO_FALLOCATE_KEEP_SIZE,
2059 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2060 },
2061#endif
2062 /* Compatibility with former boolean values */
2063 { .ival = "0",
2064 .oval = FIO_FALLOCATE_NONE,
2065 .help = "Alias for 'none'",
2066 },
2067 { .ival = "1",
2068 .oval = FIO_FALLOCATE_POSIX,
2069 .help = "Alias for 'posix'",
2070 },
2071 },
2072 },
2073#endif /* CONFIG_POSIX_FALLOCATE */
2074 {
2075 .name = "fadvise_hint",
2076 .lname = "Fadvise hint",
2077 .type = FIO_OPT_BOOL,
2078 .off1 = td_var_offset(fadvise_hint),
2079 .help = "Use fadvise() to advise the kernel on IO pattern",
2080 .def = "1",
2081 .category = FIO_OPT_C_FILE,
2082 .group = FIO_OPT_G_INVALID,
2083 },
2084#ifdef FIO_HAVE_STREAMID
2085 {
2086 .name = "fadvise_stream",
2087 .lname = "Fadvise stream",
2088 .type = FIO_OPT_INT,
2089 .off1 = td_var_offset(fadvise_stream),
2090 .help = "Use fadvise() to set stream ID",
2091 .category = FIO_OPT_C_FILE,
2092 .group = FIO_OPT_G_INVALID,
2093 },
2094#endif
2095 {
2096 .name = "fsync",
2097 .lname = "Fsync",
2098 .type = FIO_OPT_INT,
2099 .off1 = td_var_offset(fsync_blocks),
2100 .help = "Issue fsync for writes every given number of blocks",
2101 .def = "0",
2102 .interval = 1,
2103 .category = FIO_OPT_C_FILE,
2104 .group = FIO_OPT_G_INVALID,
2105 },
2106 {
2107 .name = "fdatasync",
2108 .lname = "Fdatasync",
2109 .type = FIO_OPT_INT,
2110 .off1 = td_var_offset(fdatasync_blocks),
2111 .help = "Issue fdatasync for writes every given number of blocks",
2112 .def = "0",
2113 .interval = 1,
2114 .category = FIO_OPT_C_FILE,
2115 .group = FIO_OPT_G_INVALID,
2116 },
2117 {
2118 .name = "write_barrier",
2119 .lname = "Write barrier",
2120 .type = FIO_OPT_INT,
2121 .off1 = td_var_offset(barrier_blocks),
2122 .help = "Make every Nth write a barrier write",
2123 .def = "0",
2124 .interval = 1,
2125 .category = FIO_OPT_C_IO,
2126 .group = FIO_OPT_G_INVALID,
2127 },
2128#ifdef CONFIG_SYNC_FILE_RANGE
2129 {
2130 .name = "sync_file_range",
2131 .lname = "Sync file range",
2132 .posval = {
2133 { .ival = "wait_before",
2134 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2135 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
2136 .orval = 1,
2137 },
2138 { .ival = "write",
2139 .oval = SYNC_FILE_RANGE_WRITE,
2140 .help = "SYNC_FILE_RANGE_WRITE",
2141 .orval = 1,
2142 },
2143 {
2144 .ival = "wait_after",
2145 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2146 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
2147 .orval = 1,
2148 },
2149 },
2150 .type = FIO_OPT_STR_MULTI,
2151 .cb = str_sfr_cb,
2152 .off1 = td_var_offset(sync_file_range),
2153 .help = "Use sync_file_range()",
2154 .category = FIO_OPT_C_FILE,
2155 .group = FIO_OPT_G_INVALID,
2156 },
2157#endif
2158 {
2159 .name = "direct",
2160 .lname = "Direct I/O",
2161 .type = FIO_OPT_BOOL,
2162 .off1 = td_var_offset(odirect),
2163 .help = "Use O_DIRECT IO (negates buffered)",
2164 .def = "0",
2165 .inverse = "buffered",
2166 .category = FIO_OPT_C_IO,
2167 .group = FIO_OPT_G_IO_TYPE,
2168 },
2169 {
2170 .name = "atomic",
2171 .lname = "Atomic I/O",
2172 .type = FIO_OPT_BOOL,
2173 .off1 = td_var_offset(oatomic),
2174 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2175 .def = "0",
2176 .category = FIO_OPT_C_IO,
2177 .group = FIO_OPT_G_IO_TYPE,
2178 },
2179 {
2180 .name = "buffered",
2181 .lname = "Buffered I/O",
2182 .type = FIO_OPT_BOOL,
2183 .off1 = td_var_offset(odirect),
2184 .neg = 1,
2185 .help = "Use buffered IO (negates direct)",
2186 .def = "1",
2187 .inverse = "direct",
2188 .category = FIO_OPT_C_IO,
2189 .group = FIO_OPT_G_IO_TYPE,
2190 },
2191 {
2192 .name = "overwrite",
2193 .lname = "Overwrite",
2194 .type = FIO_OPT_BOOL,
2195 .off1 = td_var_offset(overwrite),
2196 .help = "When writing, set whether to overwrite current data",
2197 .def = "0",
2198 .category = FIO_OPT_C_FILE,
2199 .group = FIO_OPT_G_INVALID,
2200 },
2201 {
2202 .name = "loops",
2203 .lname = "Loops",
2204 .type = FIO_OPT_INT,
2205 .off1 = td_var_offset(loops),
2206 .help = "Number of times to run the job",
2207 .def = "1",
2208 .interval = 1,
2209 .category = FIO_OPT_C_GENERAL,
2210 .group = FIO_OPT_G_RUNTIME,
2211 },
2212 {
2213 .name = "numjobs",
2214 .lname = "Number of jobs",
2215 .type = FIO_OPT_INT,
2216 .off1 = td_var_offset(numjobs),
2217 .help = "Duplicate this job this many times",
2218 .def = "1",
2219 .interval = 1,
2220 .category = FIO_OPT_C_GENERAL,
2221 .group = FIO_OPT_G_RUNTIME,
2222 },
2223 {
2224 .name = "startdelay",
2225 .lname = "Start delay",
2226 .type = FIO_OPT_STR_VAL_TIME,
2227 .off1 = td_var_offset(start_delay),
2228 .off2 = td_var_offset(start_delay_high),
2229 .help = "Only start job when this period has passed",
2230 .def = "0",
2231 .is_seconds = 1,
2232 .is_time = 1,
2233 .category = FIO_OPT_C_GENERAL,
2234 .group = FIO_OPT_G_RUNTIME,
2235 },
2236 {
2237 .name = "runtime",
2238 .lname = "Runtime",
2239 .alias = "timeout",
2240 .type = FIO_OPT_STR_VAL_TIME,
2241 .off1 = td_var_offset(timeout),
2242 .help = "Stop workload when this amount of time has passed",
2243 .def = "0",
2244 .is_seconds = 1,
2245 .is_time = 1,
2246 .category = FIO_OPT_C_GENERAL,
2247 .group = FIO_OPT_G_RUNTIME,
2248 },
2249 {
2250 .name = "time_based",
2251 .lname = "Time based",
2252 .type = FIO_OPT_STR_SET,
2253 .off1 = td_var_offset(time_based),
2254 .help = "Keep running until runtime/timeout is met",
2255 .category = FIO_OPT_C_GENERAL,
2256 .group = FIO_OPT_G_RUNTIME,
2257 },
2258 {
2259 .name = "verify_only",
2260 .lname = "Verify only",
2261 .type = FIO_OPT_STR_SET,
2262 .off1 = td_var_offset(verify_only),
2263 .help = "Verifies previously written data is still valid",
2264 .category = FIO_OPT_C_GENERAL,
2265 .group = FIO_OPT_G_RUNTIME,
2266 },
2267 {
2268 .name = "ramp_time",
2269 .lname = "Ramp time",
2270 .type = FIO_OPT_STR_VAL_TIME,
2271 .off1 = td_var_offset(ramp_time),
2272 .help = "Ramp up time before measuring performance",
2273 .is_seconds = 1,
2274 .is_time = 1,
2275 .category = FIO_OPT_C_GENERAL,
2276 .group = FIO_OPT_G_RUNTIME,
2277 },
2278 {
2279 .name = "clocksource",
2280 .lname = "Clock source",
2281 .type = FIO_OPT_STR,
2282 .cb = fio_clock_source_cb,
2283 .off1 = td_var_offset(clocksource),
2284 .help = "What type of timing source to use",
2285 .category = FIO_OPT_C_GENERAL,
2286 .group = FIO_OPT_G_CLOCK,
2287 .posval = {
2288#ifdef CONFIG_GETTIMEOFDAY
2289 { .ival = "gettimeofday",
2290 .oval = CS_GTOD,
2291 .help = "Use gettimeofday(2) for timing",
2292 },
2293#endif
2294#ifdef CONFIG_CLOCK_GETTIME
2295 { .ival = "clock_gettime",
2296 .oval = CS_CGETTIME,
2297 .help = "Use clock_gettime(2) for timing",
2298 },
2299#endif
2300#ifdef ARCH_HAVE_CPU_CLOCK
2301 { .ival = "cpu",
2302 .oval = CS_CPUCLOCK,
2303 .help = "Use CPU private clock",
2304 },
2305#endif
2306 },
2307 },
2308 {
2309 .name = "mem",
2310 .alias = "iomem",
2311 .lname = "I/O Memory",
2312 .type = FIO_OPT_STR,
2313 .cb = str_mem_cb,
2314 .off1 = td_var_offset(mem_type),
2315 .help = "Backing type for IO buffers",
2316 .def = "malloc",
2317 .category = FIO_OPT_C_IO,
2318 .group = FIO_OPT_G_INVALID,
2319 .posval = {
2320 { .ival = "malloc",
2321 .oval = MEM_MALLOC,
2322 .help = "Use malloc(3) for IO buffers",
2323 },
2324#ifndef CONFIG_NO_SHM
2325 { .ival = "shm",
2326 .oval = MEM_SHM,
2327 .help = "Use shared memory segments for IO buffers",
2328 },
2329#ifdef FIO_HAVE_HUGETLB
2330 { .ival = "shmhuge",
2331 .oval = MEM_SHMHUGE,
2332 .help = "Like shm, but use huge pages",
2333 },
2334#endif
2335#endif
2336 { .ival = "mmap",
2337 .oval = MEM_MMAP,
2338 .help = "Use mmap(2) (file or anon) for IO buffers",
2339 },
2340 { .ival = "mmapshared",
2341 .oval = MEM_MMAPSHARED,
2342 .help = "Like mmap, but use the shared flag",
2343 },
2344#ifdef FIO_HAVE_HUGETLB
2345 { .ival = "mmaphuge",
2346 .oval = MEM_MMAPHUGE,
2347 .help = "Like mmap, but use huge pages",
2348 },
2349#endif
2350 },
2351 },
2352 {
2353 .name = "iomem_align",
2354 .alias = "mem_align",
2355 .lname = "I/O memory alignment",
2356 .type = FIO_OPT_INT,
2357 .off1 = td_var_offset(mem_align),
2358 .minval = 0,
2359 .help = "IO memory buffer offset alignment",
2360 .def = "0",
2361 .parent = "iomem",
2362 .hide = 1,
2363 .category = FIO_OPT_C_IO,
2364 .group = FIO_OPT_G_INVALID,
2365 },
2366 {
2367 .name = "verify",
2368 .lname = "Verify",
2369 .type = FIO_OPT_STR,
2370 .off1 = td_var_offset(verify),
2371 .help = "Verify data written",
2372 .def = "0",
2373 .category = FIO_OPT_C_IO,
2374 .group = FIO_OPT_G_VERIFY,
2375 .posval = {
2376 { .ival = "0",
2377 .oval = VERIFY_NONE,
2378 .help = "Don't do IO verification",
2379 },
2380 { .ival = "md5",
2381 .oval = VERIFY_MD5,
2382 .help = "Use md5 checksums for verification",
2383 },
2384 { .ival = "crc64",
2385 .oval = VERIFY_CRC64,
2386 .help = "Use crc64 checksums for verification",
2387 },
2388 { .ival = "crc32",
2389 .oval = VERIFY_CRC32,
2390 .help = "Use crc32 checksums for verification",
2391 },
2392 { .ival = "crc32c-intel",
2393 .oval = VERIFY_CRC32C,
2394 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2395 },
2396 { .ival = "crc32c",
2397 .oval = VERIFY_CRC32C,
2398 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2399 },
2400 { .ival = "crc16",
2401 .oval = VERIFY_CRC16,
2402 .help = "Use crc16 checksums for verification",
2403 },
2404 { .ival = "crc7",
2405 .oval = VERIFY_CRC7,
2406 .help = "Use crc7 checksums for verification",
2407 },
2408 { .ival = "sha1",
2409 .oval = VERIFY_SHA1,
2410 .help = "Use sha1 checksums for verification",
2411 },
2412 { .ival = "sha256",
2413 .oval = VERIFY_SHA256,
2414 .help = "Use sha256 checksums for verification",
2415 },
2416 { .ival = "sha512",
2417 .oval = VERIFY_SHA512,
2418 .help = "Use sha512 checksums for verification",
2419 },
2420 { .ival = "xxhash",
2421 .oval = VERIFY_XXHASH,
2422 .help = "Use xxhash checksums for verification",
2423 },
2424 /* Meta information was included into verify_header,
2425 * 'meta' verification is implied by default. */
2426 { .ival = "meta",
2427 .oval = VERIFY_HDR_ONLY,
2428 .help = "Use io information for verification. "
2429 "Now is implied by default, thus option is obsolete, "
2430 "don't use it",
2431 },
2432 { .ival = "pattern",
2433 .oval = VERIFY_PATTERN_NO_HDR,
2434 .help = "Verify strict pattern",
2435 },
2436 {
2437 .ival = "null",
2438 .oval = VERIFY_NULL,
2439 .help = "Pretend to verify",
2440 },
2441 },
2442 },
2443 {
2444 .name = "do_verify",
2445 .lname = "Perform verify step",
2446 .type = FIO_OPT_BOOL,
2447 .off1 = td_var_offset(do_verify),
2448 .help = "Run verification stage after write",
2449 .def = "1",
2450 .parent = "verify",
2451 .hide = 1,
2452 .category = FIO_OPT_C_IO,
2453 .group = FIO_OPT_G_VERIFY,
2454 },
2455 {
2456 .name = "verifysort",
2457 .lname = "Verify sort",
2458 .type = FIO_OPT_BOOL,
2459 .off1 = td_var_offset(verifysort),
2460 .help = "Sort written verify blocks for read back",
2461 .def = "1",
2462 .parent = "verify",
2463 .hide = 1,
2464 .category = FIO_OPT_C_IO,
2465 .group = FIO_OPT_G_VERIFY,
2466 },
2467 {
2468 .name = "verifysort_nr",
2469 .type = FIO_OPT_INT,
2470 .off1 = td_var_offset(verifysort_nr),
2471 .help = "Pre-load and sort verify blocks for a read workload",
2472 .minval = 0,
2473 .maxval = 131072,
2474 .def = "1024",
2475 .parent = "verify",
2476 .category = FIO_OPT_C_IO,
2477 .group = FIO_OPT_G_VERIFY,
2478 },
2479 {
2480 .name = "verify_interval",
2481 .lname = "Verify interval",
2482 .type = FIO_OPT_INT,
2483 .off1 = td_var_offset(verify_interval),
2484 .minval = 2 * sizeof(struct verify_header),
2485 .help = "Store verify buffer header every N bytes",
2486 .parent = "verify",
2487 .hide = 1,
2488 .interval = 2 * sizeof(struct verify_header),
2489 .category = FIO_OPT_C_IO,
2490 .group = FIO_OPT_G_VERIFY,
2491 },
2492 {
2493 .name = "verify_offset",
2494 .lname = "Verify offset",
2495 .type = FIO_OPT_INT,
2496 .help = "Offset verify header location by N bytes",
2497 .off1 = td_var_offset(verify_offset),
2498 .minval = sizeof(struct verify_header),
2499 .parent = "verify",
2500 .hide = 1,
2501 .category = FIO_OPT_C_IO,
2502 .group = FIO_OPT_G_VERIFY,
2503 },
2504 {
2505 .name = "verify_pattern",
2506 .lname = "Verify pattern",
2507 .type = FIO_OPT_STR,
2508 .cb = str_verify_pattern_cb,
2509 .off1 = td_var_offset(verify_pattern),
2510 .help = "Fill pattern for IO buffers",
2511 .parent = "verify",
2512 .hide = 1,
2513 .category = FIO_OPT_C_IO,
2514 .group = FIO_OPT_G_VERIFY,
2515 },
2516 {
2517 .name = "verify_fatal",
2518 .lname = "Verify fatal",
2519 .type = FIO_OPT_BOOL,
2520 .off1 = td_var_offset(verify_fatal),
2521 .def = "0",
2522 .help = "Exit on a single verify failure, don't continue",
2523 .parent = "verify",
2524 .hide = 1,
2525 .category = FIO_OPT_C_IO,
2526 .group = FIO_OPT_G_VERIFY,
2527 },
2528 {
2529 .name = "verify_dump",
2530 .lname = "Verify dump",
2531 .type = FIO_OPT_BOOL,
2532 .off1 = td_var_offset(verify_dump),
2533 .def = "0",
2534 .help = "Dump contents of good and bad blocks on failure",
2535 .parent = "verify",
2536 .hide = 1,
2537 .category = FIO_OPT_C_IO,
2538 .group = FIO_OPT_G_VERIFY,
2539 },
2540 {
2541 .name = "verify_async",
2542 .lname = "Verify asynchronously",
2543 .type = FIO_OPT_INT,
2544 .off1 = td_var_offset(verify_async),
2545 .def = "0",
2546 .help = "Number of async verifier threads to use",
2547 .parent = "verify",
2548 .hide = 1,
2549 .category = FIO_OPT_C_IO,
2550 .group = FIO_OPT_G_VERIFY,
2551 },
2552 {
2553 .name = "verify_backlog",
2554 .lname = "Verify backlog",
2555 .type = FIO_OPT_STR_VAL,
2556 .off1 = td_var_offset(verify_backlog),
2557 .help = "Verify after this number of blocks are written",
2558 .parent = "verify",
2559 .hide = 1,
2560 .category = FIO_OPT_C_IO,
2561 .group = FIO_OPT_G_VERIFY,
2562 },
2563 {
2564 .name = "verify_backlog_batch",
2565 .lname = "Verify backlog batch",
2566 .type = FIO_OPT_INT,
2567 .off1 = td_var_offset(verify_batch),
2568 .help = "Verify this number of IO blocks",
2569 .parent = "verify",
2570 .hide = 1,
2571 .category = FIO_OPT_C_IO,
2572 .group = FIO_OPT_G_VERIFY,
2573 },
2574#ifdef FIO_HAVE_CPU_AFFINITY
2575 {
2576 .name = "verify_async_cpus",
2577 .lname = "Async verify CPUs",
2578 .type = FIO_OPT_STR,
2579 .cb = str_verify_cpus_allowed_cb,
2580 .off1 = td_var_offset(verify_cpumask),
2581 .help = "Set CPUs allowed for async verify threads",
2582 .parent = "verify_async",
2583 .hide = 1,
2584 .category = FIO_OPT_C_IO,
2585 .group = FIO_OPT_G_VERIFY,
2586 },
2587#endif
2588 {
2589 .name = "experimental_verify",
2590 .off1 = td_var_offset(experimental_verify),
2591 .type = FIO_OPT_BOOL,
2592 .help = "Enable experimental verification",
2593 .parent = "verify",
2594 .category = FIO_OPT_C_IO,
2595 .group = FIO_OPT_G_VERIFY,
2596 },
2597 {
2598 .name = "verify_state_load",
2599 .lname = "Load verify state",
2600 .off1 = td_var_offset(verify_state),
2601 .type = FIO_OPT_BOOL,
2602 .help = "Load verify termination state",
2603 .parent = "verify",
2604 .category = FIO_OPT_C_IO,
2605 .group = FIO_OPT_G_VERIFY,
2606 },
2607 {
2608 .name = "verify_state_save",
2609 .lname = "Save verify state",
2610 .off1 = td_var_offset(verify_state_save),
2611 .type = FIO_OPT_BOOL,
2612 .def = "1",
2613 .help = "Save verify state on termination",
2614 .parent = "verify",
2615 .category = FIO_OPT_C_IO,
2616 .group = FIO_OPT_G_VERIFY,
2617 },
2618#ifdef FIO_HAVE_TRIM
2619 {
2620 .name = "trim_percentage",
2621 .lname = "Trim percentage",
2622 .type = FIO_OPT_INT,
2623 .off1 = td_var_offset(trim_percentage),
2624 .minval = 0,
2625 .maxval = 100,
2626 .help = "Number of verify blocks to discard/trim",
2627 .parent = "verify",
2628 .def = "0",
2629 .interval = 1,
2630 .hide = 1,
2631 .category = FIO_OPT_C_IO,
2632 .group = FIO_OPT_G_TRIM,
2633 },
2634 {
2635 .name = "trim_verify_zero",
2636 .lname = "Verify trim zero",
2637 .type = FIO_OPT_BOOL,
2638 .help = "Verify that trim/discarded blocks are returned as zeroes",
2639 .off1 = td_var_offset(trim_zero),
2640 .parent = "trim_percentage",
2641 .hide = 1,
2642 .def = "1",
2643 .category = FIO_OPT_C_IO,
2644 .group = FIO_OPT_G_TRIM,
2645 },
2646 {
2647 .name = "trim_backlog",
2648 .lname = "Trim backlog",
2649 .type = FIO_OPT_STR_VAL,
2650 .off1 = td_var_offset(trim_backlog),
2651 .help = "Trim after this number of blocks are written",
2652 .parent = "trim_percentage",
2653 .hide = 1,
2654 .interval = 1,
2655 .category = FIO_OPT_C_IO,
2656 .group = FIO_OPT_G_TRIM,
2657 },
2658 {
2659 .name = "trim_backlog_batch",
2660 .lname = "Trim backlog batch",
2661 .type = FIO_OPT_INT,
2662 .off1 = td_var_offset(trim_batch),
2663 .help = "Trim this number of IO blocks",
2664 .parent = "trim_percentage",
2665 .hide = 1,
2666 .interval = 1,
2667 .category = FIO_OPT_C_IO,
2668 .group = FIO_OPT_G_TRIM,
2669 },
2670#endif
2671 {
2672 .name = "write_iolog",
2673 .lname = "Write I/O log",
2674 .type = FIO_OPT_STR_STORE,
2675 .off1 = td_var_offset(write_iolog_file),
2676 .help = "Store IO pattern to file",
2677 .category = FIO_OPT_C_IO,
2678 .group = FIO_OPT_G_IOLOG,
2679 },
2680 {
2681 .name = "read_iolog",
2682 .lname = "Read I/O log",
2683 .type = FIO_OPT_STR_STORE,
2684 .off1 = td_var_offset(read_iolog_file),
2685 .help = "Playback IO pattern from file",
2686 .category = FIO_OPT_C_IO,
2687 .group = FIO_OPT_G_IOLOG,
2688 },
2689 {
2690 .name = "replay_no_stall",
2691 .lname = "Don't stall on replay",
2692 .type = FIO_OPT_BOOL,
2693 .off1 = td_var_offset(no_stall),
2694 .def = "0",
2695 .parent = "read_iolog",
2696 .hide = 1,
2697 .help = "Playback IO pattern file as fast as possible without stalls",
2698 .category = FIO_OPT_C_IO,
2699 .group = FIO_OPT_G_IOLOG,
2700 },
2701 {
2702 .name = "replay_redirect",
2703 .lname = "Redirect device for replay",
2704 .type = FIO_OPT_STR_STORE,
2705 .off1 = td_var_offset(replay_redirect),
2706 .parent = "read_iolog",
2707 .hide = 1,
2708 .help = "Replay all I/O onto this device, regardless of trace device",
2709 .category = FIO_OPT_C_IO,
2710 .group = FIO_OPT_G_IOLOG,
2711 },
2712 {
2713 .name = "replay_scale",
2714 .lname = "Replace offset scale factor",
2715 .type = FIO_OPT_INT,
2716 .off1 = td_var_offset(replay_scale),
2717 .parent = "read_iolog",
2718 .def = "1",
2719 .help = "Align offsets to this blocksize",
2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_IOLOG,
2722 },
2723 {
2724 .name = "replay_align",
2725 .lname = "Replace alignment",
2726 .type = FIO_OPT_INT,
2727 .off1 = td_var_offset(replay_align),
2728 .parent = "read_iolog",
2729 .help = "Scale offset down by this factor",
2730 .category = FIO_OPT_C_IO,
2731 .group = FIO_OPT_G_IOLOG,
2732 .pow2 = 1,
2733 },
2734 {
2735 .name = "exec_prerun",
2736 .lname = "Pre-execute runnable",
2737 .type = FIO_OPT_STR_STORE,
2738 .off1 = td_var_offset(exec_prerun),
2739 .help = "Execute this file prior to running job",
2740 .category = FIO_OPT_C_GENERAL,
2741 .group = FIO_OPT_G_INVALID,
2742 },
2743 {
2744 .name = "exec_postrun",
2745 .lname = "Post-execute runnable",
2746 .type = FIO_OPT_STR_STORE,
2747 .off1 = td_var_offset(exec_postrun),
2748 .help = "Execute this file after running job",
2749 .category = FIO_OPT_C_GENERAL,
2750 .group = FIO_OPT_G_INVALID,
2751 },
2752#ifdef FIO_HAVE_IOSCHED_SWITCH
2753 {
2754 .name = "ioscheduler",
2755 .lname = "I/O scheduler",
2756 .type = FIO_OPT_STR_STORE,
2757 .off1 = td_var_offset(ioscheduler),
2758 .help = "Use this IO scheduler on the backing device",
2759 .category = FIO_OPT_C_FILE,
2760 .group = FIO_OPT_G_INVALID,
2761 },
2762#endif
2763 {
2764 .name = "zonesize",
2765 .lname = "Zone size",
2766 .type = FIO_OPT_STR_VAL,
2767 .off1 = td_var_offset(zone_size),
2768 .help = "Amount of data to read per zone",
2769 .def = "0",
2770 .interval = 1024 * 1024,
2771 .category = FIO_OPT_C_IO,
2772 .group = FIO_OPT_G_ZONE,
2773 },
2774 {
2775 .name = "zonerange",
2776 .lname = "Zone range",
2777 .type = FIO_OPT_STR_VAL,
2778 .off1 = td_var_offset(zone_range),
2779 .help = "Give size of an IO zone",
2780 .def = "0",
2781 .interval = 1024 * 1024,
2782 .category = FIO_OPT_C_IO,
2783 .group = FIO_OPT_G_ZONE,
2784 },
2785 {
2786 .name = "zoneskip",
2787 .lname = "Zone skip",
2788 .type = FIO_OPT_STR_VAL,
2789 .off1 = td_var_offset(zone_skip),
2790 .help = "Space between IO zones",
2791 .def = "0",
2792 .interval = 1024 * 1024,
2793 .category = FIO_OPT_C_IO,
2794 .group = FIO_OPT_G_ZONE,
2795 },
2796 {
2797 .name = "lockmem",
2798 .lname = "Lock memory",
2799 .type = FIO_OPT_STR_VAL,
2800 .off1 = td_var_offset(lockmem),
2801 .help = "Lock down this amount of memory (per worker)",
2802 .def = "0",
2803 .interval = 1024 * 1024,
2804 .category = FIO_OPT_C_GENERAL,
2805 .group = FIO_OPT_G_INVALID,
2806 },
2807 {
2808 .name = "rwmixread",
2809 .lname = "Read/write mix read",
2810 .type = FIO_OPT_INT,
2811 .cb = str_rwmix_read_cb,
2812 .off1 = td_var_offset(rwmix[DDIR_READ]),
2813 .maxval = 100,
2814 .help = "Percentage of mixed workload that is reads",
2815 .def = "50",
2816 .interval = 5,
2817 .inverse = "rwmixwrite",
2818 .category = FIO_OPT_C_IO,
2819 .group = FIO_OPT_G_RWMIX,
2820 },
2821 {
2822 .name = "rwmixwrite",
2823 .lname = "Read/write mix write",
2824 .type = FIO_OPT_INT,
2825 .cb = str_rwmix_write_cb,
2826 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
2827 .maxval = 100,
2828 .help = "Percentage of mixed workload that is writes",
2829 .def = "50",
2830 .interval = 5,
2831 .inverse = "rwmixread",
2832 .category = FIO_OPT_C_IO,
2833 .group = FIO_OPT_G_RWMIX,
2834 },
2835 {
2836 .name = "rwmixcycle",
2837 .lname = "Read/write mix cycle",
2838 .type = FIO_OPT_DEPRECATED,
2839 .category = FIO_OPT_C_IO,
2840 .group = FIO_OPT_G_RWMIX,
2841 },
2842 {
2843 .name = "nice",
2844 .lname = "Nice",
2845 .type = FIO_OPT_INT,
2846 .off1 = td_var_offset(nice),
2847 .help = "Set job CPU nice value",
2848 .minval = -19,
2849 .maxval = 20,
2850 .def = "0",
2851 .interval = 1,
2852 .category = FIO_OPT_C_GENERAL,
2853 .group = FIO_OPT_G_CRED,
2854 },
2855#ifdef FIO_HAVE_IOPRIO
2856 {
2857 .name = "prio",
2858 .lname = "I/O nice priority",
2859 .type = FIO_OPT_INT,
2860 .off1 = td_var_offset(ioprio),
2861 .help = "Set job IO priority value",
2862 .minval = 0,
2863 .maxval = 7,
2864 .interval = 1,
2865 .category = FIO_OPT_C_GENERAL,
2866 .group = FIO_OPT_G_CRED,
2867 },
2868 {
2869 .name = "prioclass",
2870 .lname = "I/O nice priority class",
2871 .type = FIO_OPT_INT,
2872 .off1 = td_var_offset(ioprio_class),
2873 .help = "Set job IO priority class",
2874 .minval = 0,
2875 .maxval = 3,
2876 .interval = 1,
2877 .category = FIO_OPT_C_GENERAL,
2878 .group = FIO_OPT_G_CRED,
2879 },
2880#endif
2881 {
2882 .name = "thinktime",
2883 .lname = "Thinktime",
2884 .type = FIO_OPT_INT,
2885 .off1 = td_var_offset(thinktime),
2886 .help = "Idle time between IO buffers (usec)",
2887 .def = "0",
2888 .is_time = 1,
2889 .category = FIO_OPT_C_IO,
2890 .group = FIO_OPT_G_THINKTIME,
2891 },
2892 {
2893 .name = "thinktime_spin",
2894 .lname = "Thinktime spin",
2895 .type = FIO_OPT_INT,
2896 .off1 = td_var_offset(thinktime_spin),
2897 .help = "Start think time by spinning this amount (usec)",
2898 .def = "0",
2899 .is_time = 1,
2900 .parent = "thinktime",
2901 .hide = 1,
2902 .category = FIO_OPT_C_IO,
2903 .group = FIO_OPT_G_THINKTIME,
2904 },
2905 {
2906 .name = "thinktime_blocks",
2907 .lname = "Thinktime blocks",
2908 .type = FIO_OPT_INT,
2909 .off1 = td_var_offset(thinktime_blocks),
2910 .help = "IO buffer period between 'thinktime'",
2911 .def = "1",
2912 .parent = "thinktime",
2913 .hide = 1,
2914 .category = FIO_OPT_C_IO,
2915 .group = FIO_OPT_G_THINKTIME,
2916 },
2917 {
2918 .name = "rate",
2919 .lname = "I/O rate",
2920 .type = FIO_OPT_INT,
2921 .off1 = td_var_offset(rate[DDIR_READ]),
2922 .off2 = td_var_offset(rate[DDIR_WRITE]),
2923 .off3 = td_var_offset(rate[DDIR_TRIM]),
2924 .help = "Set bandwidth rate",
2925 .category = FIO_OPT_C_IO,
2926 .group = FIO_OPT_G_RATE,
2927 },
2928 {
2929 .name = "rate_min",
2930 .alias = "ratemin",
2931 .lname = "I/O min rate",
2932 .type = FIO_OPT_INT,
2933 .off1 = td_var_offset(ratemin[DDIR_READ]),
2934 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2935 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
2936 .help = "Job must meet this rate or it will be shutdown",
2937 .parent = "rate",
2938 .hide = 1,
2939 .category = FIO_OPT_C_IO,
2940 .group = FIO_OPT_G_RATE,
2941 },
2942 {
2943 .name = "rate_iops",
2944 .lname = "I/O rate IOPS",
2945 .type = FIO_OPT_INT,
2946 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2947 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2948 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
2949 .help = "Limit IO used to this number of IO operations/sec",
2950 .hide = 1,
2951 .category = FIO_OPT_C_IO,
2952 .group = FIO_OPT_G_RATE,
2953 },
2954 {
2955 .name = "rate_iops_min",
2956 .lname = "I/O min rate IOPS",
2957 .type = FIO_OPT_INT,
2958 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2959 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2960 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
2961 .help = "Job must meet this rate or it will be shut down",
2962 .parent = "rate_iops",
2963 .hide = 1,
2964 .category = FIO_OPT_C_IO,
2965 .group = FIO_OPT_G_RATE,
2966 },
2967 {
2968 .name = "rate_process",
2969 .lname = "Rate Process",
2970 .type = FIO_OPT_STR,
2971 .off1 = td_var_offset(rate_process),
2972 .help = "What process controls how rated IO is managed",
2973 .def = "linear",
2974 .category = FIO_OPT_C_IO,
2975 .group = FIO_OPT_G_RATE,
2976 .posval = {
2977 { .ival = "linear",
2978 .oval = RATE_PROCESS_LINEAR,
2979 .help = "Linear rate of IO",
2980 },
2981 {
2982 .ival = "poisson",
2983 .oval = RATE_PROCESS_POISSON,
2984 .help = "Rate follows Poisson process",
2985 },
2986 },
2987 .parent = "rate",
2988 },
2989 {
2990 .name = "rate_cycle",
2991 .alias = "ratecycle",
2992 .lname = "I/O rate cycle",
2993 .type = FIO_OPT_INT,
2994 .off1 = td_var_offset(ratecycle),
2995 .help = "Window average for rate limits (msec)",
2996 .def = "1000",
2997 .parent = "rate",
2998 .hide = 1,
2999 .category = FIO_OPT_C_IO,
3000 .group = FIO_OPT_G_RATE,
3001 },
3002 {
3003 .name = "max_latency",
3004 .type = FIO_OPT_INT,
3005 .off1 = td_var_offset(max_latency),
3006 .help = "Maximum tolerated IO latency (usec)",
3007 .is_time = 1,
3008 .category = FIO_OPT_C_IO,
3009 .group = FIO_OPT_G_LATPROF,
3010 },
3011 {
3012 .name = "latency_target",
3013 .lname = "Latency Target (usec)",
3014 .type = FIO_OPT_STR_VAL_TIME,
3015 .off1 = td_var_offset(latency_target),
3016 .help = "Ramp to max queue depth supporting this latency",
3017 .is_time = 1,
3018 .category = FIO_OPT_C_IO,
3019 .group = FIO_OPT_G_LATPROF,
3020 },
3021 {
3022 .name = "latency_window",
3023 .lname = "Latency Window (usec)",
3024 .type = FIO_OPT_STR_VAL_TIME,
3025 .off1 = td_var_offset(latency_window),
3026 .help = "Time to sustain latency_target",
3027 .is_time = 1,
3028 .category = FIO_OPT_C_IO,
3029 .group = FIO_OPT_G_LATPROF,
3030 },
3031 {
3032 .name = "latency_percentile",
3033 .lname = "Latency Percentile",
3034 .type = FIO_OPT_FLOAT_LIST,
3035 .off1 = td_var_offset(latency_percentile),
3036 .help = "Percentile of IOs must be below latency_target",
3037 .def = "100",
3038 .maxlen = 1,
3039 .minfp = 0.0,
3040 .maxfp = 100.0,
3041 .category = FIO_OPT_C_IO,
3042 .group = FIO_OPT_G_LATPROF,
3043 },
3044 {
3045 .name = "invalidate",
3046 .lname = "Cache invalidate",
3047 .type = FIO_OPT_BOOL,
3048 .off1 = td_var_offset(invalidate_cache),
3049 .help = "Invalidate buffer/page cache prior to running job",
3050 .def = "1",
3051 .category = FIO_OPT_C_IO,
3052 .group = FIO_OPT_G_IO_TYPE,
3053 },
3054 {
3055 .name = "sync",
3056 .lname = "Synchronous I/O",
3057 .type = FIO_OPT_BOOL,
3058 .off1 = td_var_offset(sync_io),
3059 .help = "Use O_SYNC for buffered writes",
3060 .def = "0",
3061 .parent = "buffered",
3062 .hide = 1,
3063 .category = FIO_OPT_C_IO,
3064 .group = FIO_OPT_G_IO_TYPE,
3065 },
3066 {
3067 .name = "create_serialize",
3068 .lname = "Create serialize",
3069 .type = FIO_OPT_BOOL,
3070 .off1 = td_var_offset(create_serialize),
3071 .help = "Serialize creating of job files",
3072 .def = "1",
3073 .category = FIO_OPT_C_FILE,
3074 .group = FIO_OPT_G_INVALID,
3075 },
3076 {
3077 .name = "create_fsync",
3078 .lname = "Create fsync",
3079 .type = FIO_OPT_BOOL,
3080 .off1 = td_var_offset(create_fsync),
3081 .help = "fsync file after creation",
3082 .def = "1",
3083 .category = FIO_OPT_C_FILE,
3084 .group = FIO_OPT_G_INVALID,
3085 },
3086 {
3087 .name = "create_on_open",
3088 .lname = "Create on open",
3089 .type = FIO_OPT_BOOL,
3090 .off1 = td_var_offset(create_on_open),
3091 .help = "Create files when they are opened for IO",
3092 .def = "0",
3093 .category = FIO_OPT_C_FILE,
3094 .group = FIO_OPT_G_INVALID,
3095 },
3096 {
3097 .name = "create_only",
3098 .type = FIO_OPT_BOOL,
3099 .off1 = td_var_offset(create_only),
3100 .help = "Only perform file creation phase",
3101 .category = FIO_OPT_C_FILE,
3102 .def = "0",
3103 },
3104 {
3105 .name = "allow_file_create",
3106 .lname = "Allow file create",
3107 .type = FIO_OPT_BOOL,
3108 .off1 = td_var_offset(allow_create),
3109 .help = "Permit fio to create files, if they don't exist",
3110 .def = "1",
3111 .category = FIO_OPT_C_FILE,
3112 .group = FIO_OPT_G_FILENAME,
3113 },
3114 {
3115 .name = "allow_mounted_write",
3116 .lname = "Allow mounted write",
3117 .type = FIO_OPT_BOOL,
3118 .off1 = td_var_offset(allow_mounted_write),
3119 .help = "Allow writes to a mounted partition",
3120 .def = "0",
3121 .category = FIO_OPT_C_FILE,
3122 .group = FIO_OPT_G_FILENAME,
3123 },
3124 {
3125 .name = "pre_read",
3126 .lname = "Pre-read files",
3127 .type = FIO_OPT_BOOL,
3128 .off1 = td_var_offset(pre_read),
3129 .help = "Pre-read files before starting official testing",
3130 .def = "0",
3131 .category = FIO_OPT_C_FILE,
3132 .group = FIO_OPT_G_INVALID,
3133 },
3134#ifdef FIO_HAVE_CPU_AFFINITY
3135 {
3136 .name = "cpumask",
3137 .lname = "CPU mask",
3138 .type = FIO_OPT_INT,
3139 .cb = str_cpumask_cb,
3140 .off1 = td_var_offset(cpumask),
3141 .help = "CPU affinity mask",
3142 .category = FIO_OPT_C_GENERAL,
3143 .group = FIO_OPT_G_CRED,
3144 },
3145 {
3146 .name = "cpus_allowed",
3147 .lname = "CPUs allowed",
3148 .type = FIO_OPT_STR,
3149 .cb = str_cpus_allowed_cb,
3150 .off1 = td_var_offset(cpumask),
3151 .help = "Set CPUs allowed",
3152 .category = FIO_OPT_C_GENERAL,
3153 .group = FIO_OPT_G_CRED,
3154 },
3155 {
3156 .name = "cpus_allowed_policy",
3157 .lname = "CPUs allowed distribution policy",
3158 .type = FIO_OPT_STR,
3159 .off1 = td_var_offset(cpus_allowed_policy),
3160 .help = "Distribution policy for cpus_allowed",
3161 .parent = "cpus_allowed",
3162 .prio = 1,
3163 .posval = {
3164 { .ival = "shared",
3165 .oval = FIO_CPUS_SHARED,
3166 .help = "Mask shared between threads",
3167 },
3168 { .ival = "split",
3169 .oval = FIO_CPUS_SPLIT,
3170 .help = "Mask split between threads",
3171 },
3172 },
3173 .category = FIO_OPT_C_GENERAL,
3174 .group = FIO_OPT_G_CRED,
3175 },
3176#endif
3177#ifdef CONFIG_LIBNUMA
3178 {
3179 .name = "numa_cpu_nodes",
3180 .type = FIO_OPT_STR,
3181 .cb = str_numa_cpunodes_cb,
3182 .off1 = td_var_offset(numa_cpunodes),
3183 .help = "NUMA CPU nodes bind",
3184 .category = FIO_OPT_C_GENERAL,
3185 .group = FIO_OPT_G_INVALID,
3186 },
3187 {
3188 .name = "numa_mem_policy",
3189 .type = FIO_OPT_STR,
3190 .cb = str_numa_mpol_cb,
3191 .off1 = td_var_offset(numa_memnodes),
3192 .help = "NUMA memory policy setup",
3193 .category = FIO_OPT_C_GENERAL,
3194 .group = FIO_OPT_G_INVALID,
3195 },
3196#endif
3197 {
3198 .name = "end_fsync",
3199 .lname = "End fsync",
3200 .type = FIO_OPT_BOOL,
3201 .off1 = td_var_offset(end_fsync),
3202 .help = "Include fsync at the end of job",
3203 .def = "0",
3204 .category = FIO_OPT_C_FILE,
3205 .group = FIO_OPT_G_INVALID,
3206 },
3207 {
3208 .name = "fsync_on_close",
3209 .lname = "Fsync on close",
3210 .type = FIO_OPT_BOOL,
3211 .off1 = td_var_offset(fsync_on_close),
3212 .help = "fsync files on close",
3213 .def = "0",
3214 .category = FIO_OPT_C_FILE,
3215 .group = FIO_OPT_G_INVALID,
3216 },
3217 {
3218 .name = "unlink",
3219 .lname = "Unlink file",
3220 .type = FIO_OPT_BOOL,
3221 .off1 = td_var_offset(unlink),
3222 .help = "Unlink created files after job has completed",
3223 .def = "0",
3224 .category = FIO_OPT_C_FILE,
3225 .group = FIO_OPT_G_INVALID,
3226 },
3227 {
3228 .name = "exitall",
3229 .lname = "Exit-all on terminate",
3230 .type = FIO_OPT_STR_SET,
3231 .cb = str_exitall_cb,
3232 .help = "Terminate all jobs when one exits",
3233 .category = FIO_OPT_C_GENERAL,
3234 .group = FIO_OPT_G_PROCESS,
3235 },
3236 {
3237 .name = "exitall_on_error",
3238 .lname = "Exit-all on terminate in error",
3239 .type = FIO_OPT_BOOL,
3240 .off1 = td_var_offset(unlink),
3241 .help = "Terminate all jobs when one exits in error",
3242 .category = FIO_OPT_C_GENERAL,
3243 .group = FIO_OPT_G_PROCESS,
3244 },
3245 {
3246 .name = "stonewall",
3247 .lname = "Wait for previous",
3248 .alias = "wait_for_previous",
3249 .type = FIO_OPT_STR_SET,
3250 .off1 = td_var_offset(stonewall),
3251 .help = "Insert a hard barrier between this job and previous",
3252 .category = FIO_OPT_C_GENERAL,
3253 .group = FIO_OPT_G_PROCESS,
3254 },
3255 {
3256 .name = "new_group",
3257 .lname = "New group",
3258 .type = FIO_OPT_STR_SET,
3259 .off1 = td_var_offset(new_group),
3260 .help = "Mark the start of a new group (for reporting)",
3261 .category = FIO_OPT_C_GENERAL,
3262 .group = FIO_OPT_G_PROCESS,
3263 },
3264 {
3265 .name = "thread",
3266 .lname = "Thread",
3267 .type = FIO_OPT_STR_SET,
3268 .off1 = td_var_offset(use_thread),
3269 .help = "Use threads instead of processes",
3270#ifdef CONFIG_NO_SHM
3271 .def = "1",
3272 .no_warn_def = 1,
3273#endif
3274 .category = FIO_OPT_C_GENERAL,
3275 .group = FIO_OPT_G_PROCESS,
3276 },
3277 {
3278 .name = "per_job_logs",
3279 .type = FIO_OPT_BOOL,
3280 .off1 = td_var_offset(per_job_logs),
3281 .help = "Include job number in generated log files or not",
3282 .def = "1",
3283 .category = FIO_OPT_C_LOG,
3284 .group = FIO_OPT_G_INVALID,
3285 },
3286 {
3287 .name = "write_bw_log",
3288 .lname = "Write bandwidth log",
3289 .type = FIO_OPT_STR_STORE,
3290 .off1 = td_var_offset(bw_log_file),
3291 .help = "Write log of bandwidth during run",
3292 .category = FIO_OPT_C_LOG,
3293 .group = FIO_OPT_G_INVALID,
3294 },
3295 {
3296 .name = "write_lat_log",
3297 .lname = "Write latency log",
3298 .type = FIO_OPT_STR_STORE,
3299 .off1 = td_var_offset(lat_log_file),
3300 .help = "Write log of latency during run",
3301 .category = FIO_OPT_C_LOG,
3302 .group = FIO_OPT_G_INVALID,
3303 },
3304 {
3305 .name = "write_iops_log",
3306 .lname = "Write IOPS log",
3307 .type = FIO_OPT_STR_STORE,
3308 .off1 = td_var_offset(iops_log_file),
3309 .help = "Write log of IOPS during run",
3310 .category = FIO_OPT_C_LOG,
3311 .group = FIO_OPT_G_INVALID,
3312 },
3313 {
3314 .name = "log_avg_msec",
3315 .lname = "Log averaging (msec)",
3316 .type = FIO_OPT_INT,
3317 .off1 = td_var_offset(log_avg_msec),
3318 .help = "Average bw/iops/lat logs over this period of time",
3319 .def = "0",
3320 .category = FIO_OPT_C_LOG,
3321 .group = FIO_OPT_G_INVALID,
3322 },
3323 {
3324 .name = "log_max_value",
3325 .lname = "Log maximum instead of average",
3326 .type = FIO_OPT_BOOL,
3327 .off1 = td_var_offset(log_max),
3328 .help = "Log max sample in a window instead of average",
3329 .def = "0",
3330 .category = FIO_OPT_C_LOG,
3331 .group = FIO_OPT_G_INVALID,
3332 },
3333 {
3334 .name = "log_offset",
3335 .lname = "Log offset of IO",
3336 .type = FIO_OPT_BOOL,
3337 .off1 = td_var_offset(log_offset),
3338 .help = "Include offset of IO for each log entry",
3339 .def = "0",
3340 .category = FIO_OPT_C_LOG,
3341 .group = FIO_OPT_G_INVALID,
3342 },
3343#ifdef CONFIG_ZLIB
3344 {
3345 .name = "log_compression",
3346 .lname = "Log compression",
3347 .type = FIO_OPT_INT,
3348 .off1 = td_var_offset(log_gz),
3349 .help = "Log in compressed chunks of this size",
3350 .minval = 1024ULL,
3351 .maxval = 512 * 1024 * 1024ULL,
3352 .category = FIO_OPT_C_LOG,
3353 .group = FIO_OPT_G_INVALID,
3354 },
3355#ifdef FIO_HAVE_CPU_AFFINITY
3356 {
3357 .name = "log_compression_cpus",
3358 .lname = "Log Compression CPUs",
3359 .type = FIO_OPT_STR,
3360 .cb = str_log_cpus_allowed_cb,
3361 .off1 = td_var_offset(log_gz_cpumask),
3362 .parent = "log_compression",
3363 .help = "Limit log compression to these CPUs",
3364 .category = FIO_OPT_C_LOG,
3365 .group = FIO_OPT_G_INVALID,
3366 },
3367#endif
3368 {
3369 .name = "log_store_compressed",
3370 .lname = "Log store compressed",
3371 .type = FIO_OPT_BOOL,
3372 .off1 = td_var_offset(log_gz_store),
3373 .help = "Store logs in a compressed format",
3374 .category = FIO_OPT_C_LOG,
3375 .group = FIO_OPT_G_INVALID,
3376 },
3377#endif
3378 {
3379 .name = "block_error_percentiles",
3380 .lname = "Block error percentiles",
3381 .type = FIO_OPT_BOOL,
3382 .off1 = td_var_offset(block_error_hist),
3383 .help = "Record trim block errors and make a histogram",
3384 .def = "0",
3385 .category = FIO_OPT_C_LOG,
3386 .group = FIO_OPT_G_INVALID,
3387 },
3388 {
3389 .name = "bwavgtime",
3390 .lname = "Bandwidth average time",
3391 .type = FIO_OPT_INT,
3392 .off1 = td_var_offset(bw_avg_time),
3393 .help = "Time window over which to calculate bandwidth"
3394 " (msec)",
3395 .def = "500",
3396 .parent = "write_bw_log",
3397 .hide = 1,
3398 .interval = 100,
3399 .category = FIO_OPT_C_LOG,
3400 .group = FIO_OPT_G_INVALID,
3401 },
3402 {
3403 .name = "iopsavgtime",
3404 .lname = "IOPS average time",
3405 .type = FIO_OPT_INT,
3406 .off1 = td_var_offset(iops_avg_time),
3407 .help = "Time window over which to calculate IOPS (msec)",
3408 .def = "500",
3409 .parent = "write_iops_log",
3410 .hide = 1,
3411 .interval = 100,
3412 .category = FIO_OPT_C_LOG,
3413 .group = FIO_OPT_G_INVALID,
3414 },
3415 {
3416 .name = "group_reporting",
3417 .lname = "Group reporting",
3418 .type = FIO_OPT_STR_SET,
3419 .off1 = td_var_offset(group_reporting),
3420 .help = "Do reporting on a per-group basis",
3421 .category = FIO_OPT_C_STAT,
3422 .group = FIO_OPT_G_INVALID,
3423 },
3424 {
3425 .name = "zero_buffers",
3426 .lname = "Zero I/O buffers",
3427 .type = FIO_OPT_STR_SET,
3428 .off1 = td_var_offset(zero_buffers),
3429 .help = "Init IO buffers to all zeroes",
3430 .category = FIO_OPT_C_IO,
3431 .group = FIO_OPT_G_IO_BUF,
3432 },
3433 {
3434 .name = "refill_buffers",
3435 .lname = "Refill I/O buffers",
3436 .type = FIO_OPT_STR_SET,
3437 .off1 = td_var_offset(refill_buffers),
3438 .help = "Refill IO buffers on every IO submit",
3439 .category = FIO_OPT_C_IO,
3440 .group = FIO_OPT_G_IO_BUF,
3441 },
3442 {
3443 .name = "scramble_buffers",
3444 .lname = "Scramble I/O buffers",
3445 .type = FIO_OPT_BOOL,
3446 .off1 = td_var_offset(scramble_buffers),
3447 .help = "Slightly scramble buffers on every IO submit",
3448 .def = "1",
3449 .category = FIO_OPT_C_IO,
3450 .group = FIO_OPT_G_IO_BUF,
3451 },
3452 {
3453 .name = "buffer_pattern",
3454 .lname = "Buffer pattern",
3455 .type = FIO_OPT_STR,
3456 .cb = str_buffer_pattern_cb,
3457 .off1 = td_var_offset(buffer_pattern),
3458 .help = "Fill pattern for IO buffers",
3459 .category = FIO_OPT_C_IO,
3460 .group = FIO_OPT_G_IO_BUF,
3461 },
3462 {
3463 .name = "buffer_compress_percentage",
3464 .lname = "Buffer compression percentage",
3465 .type = FIO_OPT_INT,
3466 .cb = str_buffer_compress_cb,
3467 .off1 = td_var_offset(compress_percentage),
3468 .maxval = 100,
3469 .minval = 0,
3470 .help = "How compressible the buffer is (approximately)",
3471 .interval = 5,
3472 .category = FIO_OPT_C_IO,
3473 .group = FIO_OPT_G_IO_BUF,
3474 },
3475 {
3476 .name = "buffer_compress_chunk",
3477 .lname = "Buffer compression chunk size",
3478 .type = FIO_OPT_INT,
3479 .off1 = td_var_offset(compress_chunk),
3480 .parent = "buffer_compress_percentage",
3481 .hide = 1,
3482 .help = "Size of compressible region in buffer",
3483 .interval = 256,
3484 .category = FIO_OPT_C_IO,
3485 .group = FIO_OPT_G_IO_BUF,
3486 },
3487 {
3488 .name = "dedupe_percentage",
3489 .lname = "Dedupe percentage",
3490 .type = FIO_OPT_INT,
3491 .cb = str_dedupe_cb,
3492 .off1 = td_var_offset(dedupe_percentage),
3493 .maxval = 100,
3494 .minval = 0,
3495 .help = "Percentage of buffers that are dedupable",
3496 .interval = 1,
3497 .category = FIO_OPT_C_IO,
3498 .group = FIO_OPT_G_IO_BUF,
3499 },
3500 {
3501 .name = "clat_percentiles",
3502 .lname = "Completion latency percentiles",
3503 .type = FIO_OPT_BOOL,
3504 .off1 = td_var_offset(clat_percentiles),
3505 .help = "Enable the reporting of completion latency percentiles",
3506 .def = "1",
3507 .category = FIO_OPT_C_STAT,
3508 .group = FIO_OPT_G_INVALID,
3509 },
3510 {
3511 .name = "percentile_list",
3512 .lname = "Percentile list",
3513 .type = FIO_OPT_FLOAT_LIST,
3514 .off1 = td_var_offset(percentile_list),
3515 .off2 = td_var_offset(percentile_precision),
3516 .help = "Specify a custom list of percentiles to report for "
3517 "completion latency and block errors",
3518 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
3519 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3520 .minfp = 0.0,
3521 .maxfp = 100.0,
3522 .category = FIO_OPT_C_STAT,
3523 .group = FIO_OPT_G_INVALID,
3524 },
3525
3526#ifdef FIO_HAVE_DISK_UTIL
3527 {
3528 .name = "disk_util",
3529 .lname = "Disk utilization",
3530 .type = FIO_OPT_BOOL,
3531 .off1 = td_var_offset(do_disk_util),
3532 .help = "Log disk utilization statistics",
3533 .def = "1",
3534 .category = FIO_OPT_C_STAT,
3535 .group = FIO_OPT_G_INVALID,
3536 },
3537#endif
3538 {
3539 .name = "gtod_reduce",
3540 .lname = "Reduce gettimeofday() calls",
3541 .type = FIO_OPT_BOOL,
3542 .help = "Greatly reduce number of gettimeofday() calls",
3543 .cb = str_gtod_reduce_cb,
3544 .def = "0",
3545 .hide_on_set = 1,
3546 .category = FIO_OPT_C_STAT,
3547 .group = FIO_OPT_G_INVALID,
3548 },
3549 {
3550 .name = "disable_lat",
3551 .lname = "Disable all latency stats",
3552 .type = FIO_OPT_BOOL,
3553 .off1 = td_var_offset(disable_lat),
3554 .help = "Disable latency numbers",
3555 .parent = "gtod_reduce",
3556 .hide = 1,
3557 .def = "0",
3558 .category = FIO_OPT_C_STAT,
3559 .group = FIO_OPT_G_INVALID,
3560 },
3561 {
3562 .name = "disable_clat",
3563 .lname = "Disable completion latency stats",
3564 .type = FIO_OPT_BOOL,
3565 .off1 = td_var_offset(disable_clat),
3566 .help = "Disable completion latency numbers",
3567 .parent = "gtod_reduce",
3568 .hide = 1,
3569 .def = "0",
3570 .category = FIO_OPT_C_STAT,
3571 .group = FIO_OPT_G_INVALID,
3572 },
3573 {
3574 .name = "disable_slat",
3575 .lname = "Disable submission latency stats",
3576 .type = FIO_OPT_BOOL,
3577 .off1 = td_var_offset(disable_slat),
3578 .help = "Disable submission latency numbers",
3579 .parent = "gtod_reduce",
3580 .hide = 1,
3581 .def = "0",
3582 .category = FIO_OPT_C_STAT,
3583 .group = FIO_OPT_G_INVALID,
3584 },
3585 {
3586 .name = "disable_bw_measurement",
3587 .lname = "Disable bandwidth stats",
3588 .type = FIO_OPT_BOOL,
3589 .off1 = td_var_offset(disable_bw),
3590 .help = "Disable bandwidth logging",
3591 .parent = "gtod_reduce",
3592 .hide = 1,
3593 .def = "0",
3594 .category = FIO_OPT_C_STAT,
3595 .group = FIO_OPT_G_INVALID,
3596 },
3597 {
3598 .name = "gtod_cpu",
3599 .lname = "Dedicated gettimeofday() CPU",
3600 .type = FIO_OPT_INT,
3601 .off1 = td_var_offset(gtod_cpu),
3602 .help = "Set up dedicated gettimeofday() thread on this CPU",
3603 .verify = gtod_cpu_verify,
3604 .category = FIO_OPT_C_GENERAL,
3605 .group = FIO_OPT_G_CLOCK,
3606 },
3607 {
3608 .name = "unified_rw_reporting",
3609 .type = FIO_OPT_BOOL,
3610 .off1 = td_var_offset(unified_rw_rep),
3611 .help = "Unify reporting across data direction",
3612 .def = "0",
3613 .category = FIO_OPT_C_GENERAL,
3614 .group = FIO_OPT_G_INVALID,
3615 },
3616 {
3617 .name = "continue_on_error",
3618 .lname = "Continue on error",
3619 .type = FIO_OPT_STR,
3620 .off1 = td_var_offset(continue_on_error),
3621 .help = "Continue on non-fatal errors during IO",
3622 .def = "none",
3623 .category = FIO_OPT_C_GENERAL,
3624 .group = FIO_OPT_G_ERR,
3625 .posval = {
3626 { .ival = "none",
3627 .oval = ERROR_TYPE_NONE,
3628 .help = "Exit when an error is encountered",
3629 },
3630 { .ival = "read",
3631 .oval = ERROR_TYPE_READ,
3632 .help = "Continue on read errors only",
3633 },
3634 { .ival = "write",
3635 .oval = ERROR_TYPE_WRITE,
3636 .help = "Continue on write errors only",
3637 },
3638 { .ival = "io",
3639 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3640 .help = "Continue on any IO errors",
3641 },
3642 { .ival = "verify",
3643 .oval = ERROR_TYPE_VERIFY,
3644 .help = "Continue on verify errors only",
3645 },
3646 { .ival = "all",
3647 .oval = ERROR_TYPE_ANY,
3648 .help = "Continue on all io and verify errors",
3649 },
3650 { .ival = "0",
3651 .oval = ERROR_TYPE_NONE,
3652 .help = "Alias for 'none'",
3653 },
3654 { .ival = "1",
3655 .oval = ERROR_TYPE_ANY,
3656 .help = "Alias for 'all'",
3657 },
3658 },
3659 },
3660 {
3661 .name = "ignore_error",
3662 .type = FIO_OPT_STR,
3663 .cb = str_ignore_error_cb,
3664 .off1 = td_var_offset(ignore_error_nr),
3665 .help = "Set a specific list of errors to ignore",
3666 .parent = "rw",
3667 .category = FIO_OPT_C_GENERAL,
3668 .group = FIO_OPT_G_ERR,
3669 },
3670 {
3671 .name = "error_dump",
3672 .type = FIO_OPT_BOOL,
3673 .off1 = td_var_offset(error_dump),
3674 .def = "0",
3675 .help = "Dump info on each error",
3676 .category = FIO_OPT_C_GENERAL,
3677 .group = FIO_OPT_G_ERR,
3678 },
3679 {
3680 .name = "profile",
3681 .lname = "Profile",
3682 .type = FIO_OPT_STR_STORE,
3683 .off1 = td_var_offset(profile),
3684 .help = "Select a specific builtin performance test",
3685 .category = FIO_OPT_C_PROFILE,
3686 .group = FIO_OPT_G_INVALID,
3687 },
3688 {
3689 .name = "cgroup",
3690 .lname = "Cgroup",
3691 .type = FIO_OPT_STR_STORE,
3692 .off1 = td_var_offset(cgroup),
3693 .help = "Add job to cgroup of this name",
3694 .category = FIO_OPT_C_GENERAL,
3695 .group = FIO_OPT_G_CGROUP,
3696 },
3697 {
3698 .name = "cgroup_nodelete",
3699 .lname = "Cgroup no-delete",
3700 .type = FIO_OPT_BOOL,
3701 .off1 = td_var_offset(cgroup_nodelete),
3702 .help = "Do not delete cgroups after job completion",
3703 .def = "0",
3704 .parent = "cgroup",
3705 .category = FIO_OPT_C_GENERAL,
3706 .group = FIO_OPT_G_CGROUP,
3707 },
3708 {
3709 .name = "cgroup_weight",
3710 .lname = "Cgroup weight",
3711 .type = FIO_OPT_INT,
3712 .off1 = td_var_offset(cgroup_weight),
3713 .help = "Use given weight for cgroup",
3714 .minval = 100,
3715 .maxval = 1000,
3716 .parent = "cgroup",
3717 .category = FIO_OPT_C_GENERAL,
3718 .group = FIO_OPT_G_CGROUP,
3719 },
3720 {
3721 .name = "uid",
3722 .lname = "User ID",
3723 .type = FIO_OPT_INT,
3724 .off1 = td_var_offset(uid),
3725 .help = "Run job with this user ID",
3726 .category = FIO_OPT_C_GENERAL,
3727 .group = FIO_OPT_G_CRED,
3728 },
3729 {
3730 .name = "gid",
3731 .lname = "Group ID",
3732 .type = FIO_OPT_INT,
3733 .off1 = td_var_offset(gid),
3734 .help = "Run job with this group ID",
3735 .category = FIO_OPT_C_GENERAL,
3736 .group = FIO_OPT_G_CRED,
3737 },
3738 {
3739 .name = "kb_base",
3740 .lname = "KB Base",
3741 .type = FIO_OPT_INT,
3742 .off1 = td_var_offset(kb_base),
3743 .prio = 1,
3744 .def = "1024",
3745 .posval = {
3746 { .ival = "1024",
3747 .oval = 1024,
3748 .help = "Use 1024 as the K base",
3749 },
3750 { .ival = "1000",
3751 .oval = 1000,
3752 .help = "Use 1000 as the K base",
3753 },
3754 },
3755 .help = "How many bytes per KB for reporting (1000 or 1024)",
3756 .category = FIO_OPT_C_GENERAL,
3757 .group = FIO_OPT_G_INVALID,
3758 },
3759 {
3760 .name = "unit_base",
3761 .lname = "Base unit for reporting (Bits or Bytes)",
3762 .type = FIO_OPT_INT,
3763 .off1 = td_var_offset(unit_base),
3764 .prio = 1,
3765 .posval = {
3766 { .ival = "0",
3767 .oval = 0,
3768 .help = "Auto-detect",
3769 },
3770 { .ival = "8",
3771 .oval = 8,
3772 .help = "Normal (byte based)",
3773 },
3774 { .ival = "1",
3775 .oval = 1,
3776 .help = "Bit based",
3777 },
3778 },
3779 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3780 .category = FIO_OPT_C_GENERAL,
3781 .group = FIO_OPT_G_INVALID,
3782 },
3783 {
3784 .name = "hugepage-size",
3785 .lname = "Hugepage size",
3786 .type = FIO_OPT_INT,
3787 .off1 = td_var_offset(hugepage_size),
3788 .help = "When using hugepages, specify size of each page",
3789 .def = __fio_stringify(FIO_HUGE_PAGE),
3790 .interval = 1024 * 1024,
3791 .category = FIO_OPT_C_GENERAL,
3792 .group = FIO_OPT_G_INVALID,
3793 },
3794 {
3795 .name = "flow_id",
3796 .lname = "I/O flow ID",
3797 .type = FIO_OPT_INT,
3798 .off1 = td_var_offset(flow_id),
3799 .help = "The flow index ID to use",
3800 .def = "0",
3801 .category = FIO_OPT_C_IO,
3802 .group = FIO_OPT_G_IO_FLOW,
3803 },
3804 {
3805 .name = "flow",
3806 .lname = "I/O flow weight",
3807 .type = FIO_OPT_INT,
3808 .off1 = td_var_offset(flow),
3809 .help = "Weight for flow control of this job",
3810 .parent = "flow_id",
3811 .hide = 1,
3812 .def = "0",
3813 .category = FIO_OPT_C_IO,
3814 .group = FIO_OPT_G_IO_FLOW,
3815 },
3816 {
3817 .name = "flow_watermark",
3818 .lname = "I/O flow watermark",
3819 .type = FIO_OPT_INT,
3820 .off1 = td_var_offset(flow_watermark),
3821 .help = "High watermark for flow control. This option"
3822 " should be set to the same value for all threads"
3823 " with non-zero flow.",
3824 .parent = "flow_id",
3825 .hide = 1,
3826 .def = "1024",
3827 .category = FIO_OPT_C_IO,
3828 .group = FIO_OPT_G_IO_FLOW,
3829 },
3830 {
3831 .name = "flow_sleep",
3832 .lname = "I/O flow sleep",
3833 .type = FIO_OPT_INT,
3834 .off1 = td_var_offset(flow_sleep),
3835 .help = "How many microseconds to sleep after being held"
3836 " back by the flow control mechanism",
3837 .parent = "flow_id",
3838 .hide = 1,
3839 .def = "0",
3840 .category = FIO_OPT_C_IO,
3841 .group = FIO_OPT_G_IO_FLOW,
3842 },
3843 {
3844 .name = "skip_bad",
3845 .lname = "Skip operations against bad blocks",
3846 .type = FIO_OPT_BOOL,
3847 .off1 = td_var_offset(skip_bad),
3848 .help = "Skip operations against known bad blocks.",
3849 .hide = 1,
3850 .def = "0",
3851 .category = FIO_OPT_C_IO,
3852 .group = FIO_OPT_G_MTD,
3853 },
3854 {
3855 .name = NULL,
3856 },
3857};
3858
3859static void add_to_lopt(struct option *lopt, struct fio_option *o,
3860 const char *name, int val)
3861{
3862 lopt->name = (char *) name;
3863 lopt->val = val;
3864 if (o->type == FIO_OPT_STR_SET)
3865 lopt->has_arg = optional_argument;
3866 else
3867 lopt->has_arg = required_argument;
3868}
3869
3870static void options_to_lopts(struct fio_option *opts,
3871 struct option *long_options,
3872 int i, int option_type)
3873{
3874 struct fio_option *o = &opts[0];
3875 while (o->name) {
3876 add_to_lopt(&long_options[i], o, o->name, option_type);
3877 if (o->alias) {
3878 i++;
3879 add_to_lopt(&long_options[i], o, o->alias, option_type);
3880 }
3881
3882 i++;
3883 o++;
3884 assert(i < FIO_NR_OPTIONS);
3885 }
3886}
3887
3888void fio_options_set_ioengine_opts(struct option *long_options,
3889 struct thread_data *td)
3890{
3891 unsigned int i;
3892
3893 i = 0;
3894 while (long_options[i].name) {
3895 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3896 memset(&long_options[i], 0, sizeof(*long_options));
3897 break;
3898 }
3899 i++;
3900 }
3901
3902 /*
3903 * Just clear out the prior ioengine options.
3904 */
3905 if (!td || !td->eo)
3906 return;
3907
3908 options_to_lopts(td->io_ops->options, long_options, i,
3909 FIO_GETOPT_IOENGINE);
3910}
3911
3912void fio_options_dup_and_init(struct option *long_options)
3913{
3914 unsigned int i;
3915
3916 options_init(fio_options);
3917
3918 i = 0;
3919 while (long_options[i].name)
3920 i++;
3921
3922 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
3923}
3924
3925struct fio_keyword {
3926 const char *word;
3927 const char *desc;
3928 char *replace;
3929};
3930
3931static struct fio_keyword fio_keywords[] = {
3932 {
3933 .word = "$pagesize",
3934 .desc = "Page size in the system",
3935 },
3936 {
3937 .word = "$mb_memory",
3938 .desc = "Megabytes of memory online",
3939 },
3940 {
3941 .word = "$ncpus",
3942 .desc = "Number of CPUs online in the system",
3943 },
3944 {
3945 .word = NULL,
3946 },
3947};
3948
3949void fio_keywords_exit(void)
3950{
3951 struct fio_keyword *kw;
3952
3953 kw = &fio_keywords[0];
3954 while (kw->word) {
3955 free(kw->replace);
3956 kw->replace = NULL;
3957 kw++;
3958 }
3959}
3960
3961void fio_keywords_init(void)
3962{
3963 unsigned long long mb_memory;
3964 char buf[128];
3965 long l;
3966
3967 sprintf(buf, "%lu", (unsigned long) page_size);
3968 fio_keywords[0].replace = strdup(buf);
3969
3970 mb_memory = os_phys_mem() / (1024 * 1024);
3971 sprintf(buf, "%llu", mb_memory);
3972 fio_keywords[1].replace = strdup(buf);
3973
3974 l = cpus_online();
3975 sprintf(buf, "%lu", l);
3976 fio_keywords[2].replace = strdup(buf);
3977}
3978
3979#define BC_APP "bc"
3980
3981static char *bc_calc(char *str)
3982{
3983 char buf[128], *tmp;
3984 FILE *f;
3985 int ret;
3986
3987 /*
3988 * No math, just return string
3989 */
3990 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3991 !strchr(str, '/')) || strchr(str, '\''))
3992 return str;
3993
3994 /*
3995 * Split option from value, we only need to calculate the value
3996 */
3997 tmp = strchr(str, '=');
3998 if (!tmp)
3999 return str;
4000
4001 tmp++;
4002
4003 /*
4004 * Prevent buffer overflows; such a case isn't reasonable anyway
4005 */
4006 if (strlen(str) >= 128 || strlen(tmp) > 100)
4007 return str;
4008
4009 sprintf(buf, "which %s > /dev/null", BC_APP);
4010 if (system(buf)) {
4011 log_err("fio: bc is needed for performing math\n");
4012 return NULL;
4013 }
4014
4015 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
4016 f = popen(buf, "r");
4017 if (!f)
4018 return NULL;
4019
4020 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
4021 if (ret <= 0) {
4022 pclose(f);
4023 return NULL;
4024 }
4025
4026 pclose(f);
4027 buf[(tmp - str) + ret - 1] = '\0';
4028 memcpy(buf, str, tmp - str);
4029 free(str);
4030 return strdup(buf);
4031}
4032
4033/*
4034 * Return a copy of the input string with substrings of the form ${VARNAME}
4035 * substituted with the value of the environment variable VARNAME. The
4036 * substitution always occurs, even if VARNAME is empty or the corresponding
4037 * environment variable undefined.
4038 */
4039static char *option_dup_subs(const char *opt)
4040{
4041 char out[OPT_LEN_MAX+1];
4042 char in[OPT_LEN_MAX+1];
4043 char *outptr = out;
4044 char *inptr = in;
4045 char *ch1, *ch2, *env;
4046 ssize_t nchr = OPT_LEN_MAX;
4047 size_t envlen;
4048
4049 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4050 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4051 return NULL;
4052 }
4053
4054 in[OPT_LEN_MAX] = '\0';
4055 strncpy(in, opt, OPT_LEN_MAX);
4056
4057 while (*inptr && nchr > 0) {
4058 if (inptr[0] == '$' && inptr[1] == '{') {
4059 ch2 = strchr(inptr, '}');
4060 if (ch2 && inptr+1 < ch2) {
4061 ch1 = inptr+2;
4062 inptr = ch2+1;
4063 *ch2 = '\0';
4064
4065 env = getenv(ch1);
4066 if (env) {
4067 envlen = strlen(env);
4068 if (envlen <= nchr) {
4069 memcpy(outptr, env, envlen);
4070 outptr += envlen;
4071 nchr -= envlen;
4072 }
4073 }
4074
4075 continue;
4076 }
4077 }
4078
4079 *outptr++ = *inptr++;
4080 --nchr;
4081 }
4082
4083 *outptr = '\0';
4084 return strdup(out);
4085}
4086
4087/*
4088 * Look for reserved variable names and replace them with real values
4089 */
4090static char *fio_keyword_replace(char *opt)
4091{
4092 char *s;
4093 int i;
4094 int docalc = 0;
4095
4096 for (i = 0; fio_keywords[i].word != NULL; i++) {
4097 struct fio_keyword *kw = &fio_keywords[i];
4098
4099 while ((s = strstr(opt, kw->word)) != NULL) {
4100 char *new = malloc(strlen(opt) + 1);
4101 char *o_org = opt;
4102 int olen = s - opt;
4103 int len;
4104
4105 /*
4106 * Copy part of the string before the keyword and
4107 * sprintf() the replacement after it.
4108 */
4109 memcpy(new, opt, olen);
4110 len = sprintf(new + olen, "%s", kw->replace);
4111
4112 /*
4113 * If there's more in the original string, copy that
4114 * in too
4115 */
4116 opt += strlen(kw->word) + olen;
4117 if (strlen(opt))
4118 memcpy(new + olen + len, opt, opt - o_org - 1);
4119
4120 /*
4121 * replace opt and free the old opt
4122 */
4123 opt = new;
4124 free(o_org);
4125
4126 docalc = 1;
4127 }
4128 }
4129
4130 /*
4131 * Check for potential math and invoke bc, if possible
4132 */
4133 if (docalc)
4134 opt = bc_calc(opt);
4135
4136 return opt;
4137}
4138
4139static char **dup_and_sub_options(char **opts, int num_opts)
4140{
4141 int i;
4142 char **opts_copy = malloc(num_opts * sizeof(*opts));
4143 for (i = 0; i < num_opts; i++) {
4144 opts_copy[i] = option_dup_subs(opts[i]);
4145 if (!opts_copy[i])
4146 continue;
4147 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4148 }
4149 return opts_copy;
4150}
4151
4152static void show_closest_option(const char *opt)
4153{
4154 int best_option, best_distance;
4155 int i, distance;
4156 char *name;
4157
4158 if (!strlen(opt))
4159 return;
4160
4161 name = strdup(opt);
4162 i = 0;
4163 while (name[i] != '\0' && name[i] != '=')
4164 i++;
4165 name[i] = '\0';
4166
4167 best_option = -1;
4168 best_distance = INT_MAX;
4169 i = 0;
4170 while (fio_options[i].name) {
4171 distance = string_distance(name, fio_options[i].name);
4172 if (distance < best_distance) {
4173 best_distance = distance;
4174 best_option = i;
4175 }
4176 i++;
4177 }
4178
4179 if (best_option != -1 && string_distance_ok(name, best_distance))
4180 log_err("Did you mean %s?\n", fio_options[best_option].name);
4181
4182 free(name);
4183}
4184
4185int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
4186{
4187 int i, ret, unknown;
4188 char **opts_copy;
4189
4190 sort_options(opts, fio_options, num_opts);
4191 opts_copy = dup_and_sub_options(opts, num_opts);
4192
4193 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4194 struct fio_option *o;
4195 int newret = parse_option(opts_copy[i], opts[i], fio_options,
4196 &o, td, &td->opt_list);
4197
4198 if (!newret && o)
4199 fio_option_mark_set(&td->o, o);
4200
4201 if (opts_copy[i]) {
4202 if (newret && !o) {
4203 unknown++;
4204 continue;
4205 }
4206 free(opts_copy[i]);
4207 opts_copy[i] = NULL;
4208 }
4209
4210 ret |= newret;
4211 }
4212
4213 if (unknown) {
4214 ret |= ioengine_load(td);
4215 if (td->eo) {
4216 sort_options(opts_copy, td->io_ops->options, num_opts);
4217 opts = opts_copy;
4218 }
4219 for (i = 0; i < num_opts; i++) {
4220 struct fio_option *o = NULL;
4221 int newret = 1;
4222
4223 if (!opts_copy[i])
4224 continue;
4225
4226 if (td->eo)
4227 newret = parse_option(opts_copy[i], opts[i],
4228 td->io_ops->options, &o,
4229 td->eo, &td->opt_list);
4230
4231 ret |= newret;
4232 if (!o) {
4233 log_err("Bad option <%s>\n", opts[i]);
4234 show_closest_option(opts[i]);
4235 }
4236 free(opts_copy[i]);
4237 opts_copy[i] = NULL;
4238 }
4239 }
4240
4241 free(opts_copy);
4242 return ret;
4243}
4244
4245int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4246{
4247 int ret;
4248
4249 ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list);
4250 if (!ret) {
4251 struct fio_option *o;
4252
4253 o = find_option(fio_options, opt);
4254 if (o)
4255 fio_option_mark_set(&td->o, o);
4256 }
4257
4258 return ret;
4259}
4260
4261int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4262 char *val)
4263{
4264 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4265 &td->opt_list);
4266}
4267
4268void fio_fill_default_options(struct thread_data *td)
4269{
4270 td->o.magic = OPT_MAGIC;
4271 fill_default_options(td, fio_options);
4272}
4273
4274int fio_show_option_help(const char *opt)
4275{
4276 return show_cmd_help(fio_options, opt);
4277}
4278
4279void options_mem_dupe(void *data, struct fio_option *options)
4280{
4281 struct fio_option *o;
4282 char **ptr;
4283
4284 for (o = &options[0]; o->name; o++) {
4285 if (o->type != FIO_OPT_STR_STORE)
4286 continue;
4287
4288 ptr = td_var(data, o, o->off1);
4289 if (*ptr)
4290 *ptr = strdup(*ptr);
4291 }
4292}
4293
4294/*
4295 * dupe FIO_OPT_STR_STORE options
4296 */
4297void fio_options_mem_dupe(struct thread_data *td)
4298{
4299 options_mem_dupe(&td->o, fio_options);
4300
4301 if (td->eo && td->io_ops) {
4302 void *oldeo = td->eo;
4303
4304 td->eo = malloc(td->io_ops->option_struct_size);
4305 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4306 options_mem_dupe(td->eo, td->io_ops->options);
4307 }
4308}
4309
4310unsigned int fio_get_kb_base(void *data)
4311{
4312 struct thread_options *o = data;
4313 unsigned int kb_base = 0;
4314
4315 /*
4316 * This is a hack... For private options, *data is not holding
4317 * a pointer to the thread_options, but to private data. This means
4318 * we can't safely dereference it, but magic is first so mem wise
4319 * it is valid. But this also means that if the job first sets
4320 * kb_base and expects that to be honored by private options,
4321 * it will be disappointed. We will return the global default
4322 * for this.
4323 */
4324 if (o && o->magic == OPT_MAGIC)
4325 kb_base = o->kb_base;
4326 if (!kb_base)
4327 kb_base = 1024;
4328
4329 return kb_base;
4330}
4331
4332int add_option(struct fio_option *o)
4333{
4334 struct fio_option *__o;
4335 int opt_index = 0;
4336
4337 __o = fio_options;
4338 while (__o->name) {
4339 opt_index++;
4340 __o++;
4341 }
4342
4343 if (opt_index + 1 == FIO_MAX_OPTS) {
4344 log_err("fio: FIO_MAX_OPTS is too small\n");
4345 return 1;
4346 }
4347
4348 memcpy(&fio_options[opt_index], o, sizeof(*o));
4349 fio_options[opt_index + 1].name = NULL;
4350 return 0;
4351}
4352
4353void invalidate_profile_options(const char *prof_name)
4354{
4355 struct fio_option *o;
4356
4357 o = fio_options;
4358 while (o->name) {
4359 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4360 o->type = FIO_OPT_INVALID;
4361 o->prof_name = NULL;
4362 }
4363 o++;
4364 }
4365}
4366
4367void add_opt_posval(const char *optname, const char *ival, const char *help)
4368{
4369 struct fio_option *o;
4370 unsigned int i;
4371
4372 o = find_option(fio_options, optname);
4373 if (!o)
4374 return;
4375
4376 for (i = 0; i < PARSE_MAX_VP; i++) {
4377 if (o->posval[i].ival)
4378 continue;
4379
4380 o->posval[i].ival = ival;
4381 o->posval[i].help = help;
4382 break;
4383 }
4384}
4385
4386void del_opt_posval(const char *optname, const char *ival)
4387{
4388 struct fio_option *o;
4389 unsigned int i;
4390
4391 o = find_option(fio_options, optname);
4392 if (!o)
4393 return;
4394
4395 for (i = 0; i < PARSE_MAX_VP; i++) {
4396 if (!o->posval[i].ival)
4397 continue;
4398 if (strcmp(o->posval[i].ival, ival))
4399 continue;
4400
4401 o->posval[i].ival = NULL;
4402 o->posval[i].help = NULL;
4403 }
4404}
4405
4406void fio_options_free(struct thread_data *td)
4407{
4408 options_free(fio_options, td);
4409 if (td->eo && td->io_ops && td->io_ops->options) {
4410 options_free(td->io_ops->options, td->eo);
4411 free(td->eo);
4412 td->eo = NULL;
4413 }
4414}
4415
4416struct fio_option *fio_option_find(const char *name)
4417{
4418 return find_option(fio_options, name);
4419}
4420
4421static struct fio_option *find_next_opt(struct thread_options *o,
4422 struct fio_option *from,
4423 unsigned int off1)
4424{
4425 struct fio_option *opt;
4426
4427 if (!from)
4428 from = &fio_options[0];
4429 else
4430 from++;
4431
4432 opt = NULL;
4433 do {
4434 if (off1 == from->off1) {
4435 opt = from;
4436 break;
4437 }
4438 from++;
4439 } while (from->name);
4440
4441 return opt;
4442}
4443
4444static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4445{
4446 unsigned int opt_off, index, offset;
4447
4448 opt_off = opt - &fio_options[0];
4449 index = opt_off / (8 * sizeof(uint64_t));
4450 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4451 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
4452}
4453
4454bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
4455{
4456 struct fio_option *opt, *next;
4457
4458 next = NULL;
4459 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4460 if (opt_is_set(o, opt))
4461 return true;
4462
4463 next = opt;
4464 }
4465
4466 return false;
4467}
4468
4469void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4470{
4471 unsigned int opt_off, index, offset;
4472
4473 opt_off = opt - &fio_options[0];
4474 index = opt_off / (8 * sizeof(uint64_t));
4475 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4476 o->set_options[index] |= (uint64_t)1 << offset;
4477}
fio - Flexible IO Tester