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HOWTO/man: clarify that the usr/sys utilization numbers are averages
[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_PWRITEV
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 { .ival = "external",
1573 .help = "Load external engine (append name)",
1574 },
1575 },
1576 },
1577 {
1578 .name = "iodepth",
1579 .lname = "IO Depth",
1580 .type = FIO_OPT_INT,
1581 .off1 = td_var_offset(iodepth),
1582 .help = "Number of IO buffers to keep in flight",
1583 .minval = 1,
1584 .interval = 1,
1585 .def = "1",
1586 .category = FIO_OPT_C_IO,
1587 .group = FIO_OPT_G_IO_BASIC,
1588 },
1589 {
1590 .name = "iodepth_batch",
1591 .lname = "IO Depth batch",
1592 .alias = "iodepth_batch_submit",
1593 .type = FIO_OPT_INT,
1594 .off1 = td_var_offset(iodepth_batch),
1595 .help = "Number of IO buffers to submit in one go",
1596 .parent = "iodepth",
1597 .hide = 1,
1598 .minval = 1,
1599 .interval = 1,
1600 .def = "1",
1601 .category = FIO_OPT_C_IO,
1602 .group = FIO_OPT_G_IO_BASIC,
1603 },
1604 {
1605 .name = "iodepth_batch_complete_min",
1606 .lname = "Min IO depth batch complete",
1607 .alias = "iodepth_batch_complete",
1608 .type = FIO_OPT_INT,
1609 .off1 = td_var_offset(iodepth_batch_complete_min),
1610 .help = "Min number of IO buffers to retrieve in one go",
1611 .parent = "iodepth",
1612 .hide = 1,
1613 .minval = 0,
1614 .interval = 1,
1615 .def = "1",
1616 .category = FIO_OPT_C_IO,
1617 .group = FIO_OPT_G_IO_BASIC,
1618 },
1619 {
1620 .name = "iodepth_batch_complete_max",
1621 .lname = "Max IO depth batch complete",
1622 .type = FIO_OPT_INT,
1623 .off1 = td_var_offset(iodepth_batch_complete_max),
1624 .help = "Max number of IO buffers to retrieve in one go",
1625 .parent = "iodepth",
1626 .hide = 1,
1627 .minval = 0,
1628 .interval = 1,
1629 .category = FIO_OPT_C_IO,
1630 .group = FIO_OPT_G_IO_BASIC,
1631 },
1632 {
1633 .name = "iodepth_low",
1634 .lname = "IO Depth batch low",
1635 .type = FIO_OPT_INT,
1636 .off1 = td_var_offset(iodepth_low),
1637 .help = "Low water mark for queuing depth",
1638 .parent = "iodepth",
1639 .hide = 1,
1640 .interval = 1,
1641 .category = FIO_OPT_C_IO,
1642 .group = FIO_OPT_G_IO_BASIC,
1643 },
1644 {
1645 .name = "io_submit_mode",
1646 .lname = "IO submit mode",
1647 .type = FIO_OPT_STR,
1648 .off1 = td_var_offset(io_submit_mode),
1649 .help = "How IO submissions and completions are done",
1650 .def = "inline",
1651 .category = FIO_OPT_C_IO,
1652 .group = FIO_OPT_G_IO_BASIC,
1653 .posval = {
1654 { .ival = "inline",
1655 .oval = IO_MODE_INLINE,
1656 .help = "Submit and complete IO inline",
1657 },
1658 { .ival = "offload",
1659 .oval = IO_MODE_OFFLOAD,
1660 .help = "Offload submit and complete to threads",
1661 },
1662 },
1663 },
1664 {
1665 .name = "size",
1666 .lname = "Size",
1667 .type = FIO_OPT_STR_VAL,
1668 .cb = str_size_cb,
1669 .off1 = td_var_offset(size),
1670 .help = "Total size of device or files",
1671 .interval = 1024 * 1024,
1672 .category = FIO_OPT_C_IO,
1673 .group = FIO_OPT_G_INVALID,
1674 },
1675 {
1676 .name = "io_size",
1677 .alias = "io_limit",
1678 .lname = "IO Size",
1679 .type = FIO_OPT_STR_VAL,
1680 .off1 = td_var_offset(io_limit),
1681 .interval = 1024 * 1024,
1682 .category = FIO_OPT_C_IO,
1683 .group = FIO_OPT_G_INVALID,
1684 },
1685 {
1686 .name = "fill_device",
1687 .lname = "Fill device",
1688 .alias = "fill_fs",
1689 .type = FIO_OPT_BOOL,
1690 .off1 = td_var_offset(fill_device),
1691 .help = "Write until an ENOSPC error occurs",
1692 .def = "0",
1693 .category = FIO_OPT_C_FILE,
1694 .group = FIO_OPT_G_INVALID,
1695 },
1696 {
1697 .name = "filesize",
1698 .lname = "File size",
1699 .type = FIO_OPT_STR_VAL,
1700 .off1 = td_var_offset(file_size_low),
1701 .off2 = td_var_offset(file_size_high),
1702 .minval = 1,
1703 .help = "Size of individual files",
1704 .interval = 1024 * 1024,
1705 .category = FIO_OPT_C_FILE,
1706 .group = FIO_OPT_G_INVALID,
1707 },
1708 {
1709 .name = "file_append",
1710 .lname = "File append",
1711 .type = FIO_OPT_BOOL,
1712 .off1 = td_var_offset(file_append),
1713 .help = "IO will start at the end of the file(s)",
1714 .def = "0",
1715 .category = FIO_OPT_C_FILE,
1716 .group = FIO_OPT_G_INVALID,
1717 },
1718 {
1719 .name = "offset",
1720 .lname = "IO offset",
1721 .alias = "fileoffset",
1722 .type = FIO_OPT_STR_VAL,
1723 .off1 = td_var_offset(start_offset),
1724 .help = "Start IO from this offset",
1725 .def = "0",
1726 .interval = 1024 * 1024,
1727 .category = FIO_OPT_C_IO,
1728 .group = FIO_OPT_G_INVALID,
1729 },
1730 {
1731 .name = "offset_increment",
1732 .lname = "IO offset increment",
1733 .type = FIO_OPT_STR_VAL,
1734 .off1 = td_var_offset(offset_increment),
1735 .help = "What is the increment from one offset to the next",
1736 .parent = "offset",
1737 .hide = 1,
1738 .def = "0",
1739 .interval = 1024 * 1024,
1740 .category = FIO_OPT_C_IO,
1741 .group = FIO_OPT_G_INVALID,
1742 },
1743 {
1744 .name = "number_ios",
1745 .lname = "Number of IOs to perform",
1746 .type = FIO_OPT_STR_VAL,
1747 .off1 = td_var_offset(number_ios),
1748 .help = "Force job completion after this number of IOs",
1749 .def = "0",
1750 .category = FIO_OPT_C_IO,
1751 .group = FIO_OPT_G_INVALID,
1752 },
1753 {
1754 .name = "bs",
1755 .lname = "Block size",
1756 .alias = "blocksize",
1757 .type = FIO_OPT_INT,
1758 .off1 = td_var_offset(bs[DDIR_READ]),
1759 .off2 = td_var_offset(bs[DDIR_WRITE]),
1760 .off3 = td_var_offset(bs[DDIR_TRIM]),
1761 .minval = 1,
1762 .help = "Block size unit",
1763 .def = "4k",
1764 .parent = "rw",
1765 .hide = 1,
1766 .interval = 512,
1767 .category = FIO_OPT_C_IO,
1768 .group = FIO_OPT_G_INVALID,
1769 },
1770 {
1771 .name = "ba",
1772 .lname = "Block size align",
1773 .alias = "blockalign",
1774 .type = FIO_OPT_INT,
1775 .off1 = td_var_offset(ba[DDIR_READ]),
1776 .off2 = td_var_offset(ba[DDIR_WRITE]),
1777 .off3 = td_var_offset(ba[DDIR_TRIM]),
1778 .minval = 1,
1779 .help = "IO block offset alignment",
1780 .parent = "rw",
1781 .hide = 1,
1782 .interval = 512,
1783 .category = FIO_OPT_C_IO,
1784 .group = FIO_OPT_G_INVALID,
1785 },
1786 {
1787 .name = "bsrange",
1788 .lname = "Block size range",
1789 .alias = "blocksize_range",
1790 .type = FIO_OPT_RANGE,
1791 .off1 = td_var_offset(min_bs[DDIR_READ]),
1792 .off2 = td_var_offset(max_bs[DDIR_READ]),
1793 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1794 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1795 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1796 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1797 .minval = 1,
1798 .help = "Set block size range (in more detail than bs)",
1799 .parent = "rw",
1800 .hide = 1,
1801 .interval = 4096,
1802 .category = FIO_OPT_C_IO,
1803 .group = FIO_OPT_G_INVALID,
1804 },
1805 {
1806 .name = "bssplit",
1807 .lname = "Block size split",
1808 .type = FIO_OPT_STR,
1809 .cb = str_bssplit_cb,
1810 .off1 = td_var_offset(bssplit),
1811 .help = "Set a specific mix of block sizes",
1812 .parent = "rw",
1813 .hide = 1,
1814 .category = FIO_OPT_C_IO,
1815 .group = FIO_OPT_G_INVALID,
1816 },
1817 {
1818 .name = "bs_unaligned",
1819 .lname = "Block size unaligned",
1820 .alias = "blocksize_unaligned",
1821 .type = FIO_OPT_STR_SET,
1822 .off1 = td_var_offset(bs_unaligned),
1823 .help = "Don't sector align IO buffer sizes",
1824 .parent = "rw",
1825 .hide = 1,
1826 .category = FIO_OPT_C_IO,
1827 .group = FIO_OPT_G_INVALID,
1828 },
1829 {
1830 .name = "bs_is_seq_rand",
1831 .lname = "Block size division is seq/random (not read/write)",
1832 .type = FIO_OPT_BOOL,
1833 .off1 = td_var_offset(bs_is_seq_rand),
1834 .help = "Consider any blocksize setting to be sequential,random",
1835 .def = "0",
1836 .parent = "blocksize",
1837 .category = FIO_OPT_C_IO,
1838 .group = FIO_OPT_G_INVALID,
1839 },
1840 {
1841 .name = "randrepeat",
1842 .lname = "Random repeatable",
1843 .type = FIO_OPT_BOOL,
1844 .off1 = td_var_offset(rand_repeatable),
1845 .help = "Use repeatable random IO pattern",
1846 .def = "1",
1847 .parent = "rw",
1848 .hide = 1,
1849 .category = FIO_OPT_C_IO,
1850 .group = FIO_OPT_G_RANDOM,
1851 },
1852 {
1853 .name = "randseed",
1854 .lname = "The random generator seed",
1855 .type = FIO_OPT_STR_VAL,
1856 .off1 = td_var_offset(rand_seed),
1857 .help = "Set the random generator seed value",
1858 .def = "0x89",
1859 .parent = "rw",
1860 .category = FIO_OPT_C_IO,
1861 .group = FIO_OPT_G_RANDOM,
1862 },
1863 {
1864 .name = "use_os_rand",
1865 .lname = "Use OS random",
1866 .type = FIO_OPT_DEPRECATED,
1867 .off1 = td_var_offset(dep_use_os_rand),
1868 .category = FIO_OPT_C_IO,
1869 .group = FIO_OPT_G_RANDOM,
1870 },
1871 {
1872 .name = "norandommap",
1873 .lname = "No randommap",
1874 .type = FIO_OPT_STR_SET,
1875 .off1 = td_var_offset(norandommap),
1876 .help = "Accept potential duplicate random blocks",
1877 .parent = "rw",
1878 .hide = 1,
1879 .hide_on_set = 1,
1880 .category = FIO_OPT_C_IO,
1881 .group = FIO_OPT_G_RANDOM,
1882 },
1883 {
1884 .name = "softrandommap",
1885 .lname = "Soft randommap",
1886 .type = FIO_OPT_BOOL,
1887 .off1 = td_var_offset(softrandommap),
1888 .help = "Set norandommap if randommap allocation fails",
1889 .parent = "norandommap",
1890 .hide = 1,
1891 .def = "0",
1892 .category = FIO_OPT_C_IO,
1893 .group = FIO_OPT_G_RANDOM,
1894 },
1895 {
1896 .name = "random_generator",
1897 .type = FIO_OPT_STR,
1898 .off1 = td_var_offset(random_generator),
1899 .help = "Type of random number generator to use",
1900 .def = "tausworthe",
1901 .posval = {
1902 { .ival = "tausworthe",
1903 .oval = FIO_RAND_GEN_TAUSWORTHE,
1904 .help = "Strong Tausworthe generator",
1905 },
1906 { .ival = "lfsr",
1907 .oval = FIO_RAND_GEN_LFSR,
1908 .help = "Variable length LFSR",
1909 },
1910 {
1911 .ival = "tausworthe64",
1912 .oval = FIO_RAND_GEN_TAUSWORTHE64,
1913 .help = "64-bit Tausworthe variant",
1914 },
1915 },
1916 .category = FIO_OPT_C_IO,
1917 .group = FIO_OPT_G_RANDOM,
1918 },
1919 {
1920 .name = "random_distribution",
1921 .type = FIO_OPT_STR,
1922 .off1 = td_var_offset(random_distribution),
1923 .cb = str_random_distribution_cb,
1924 .help = "Random offset distribution generator",
1925 .def = "random",
1926 .posval = {
1927 { .ival = "random",
1928 .oval = FIO_RAND_DIST_RANDOM,
1929 .help = "Completely random",
1930 },
1931 { .ival = "zipf",
1932 .oval = FIO_RAND_DIST_ZIPF,
1933 .help = "Zipf distribution",
1934 },
1935 { .ival = "pareto",
1936 .oval = FIO_RAND_DIST_PARETO,
1937 .help = "Pareto distribution",
1938 },
1939 { .ival = "normal",
1940 .oval = FIO_RAND_DIST_GAUSS,
1941 .help = "Normal (gaussian) distribution",
1942 },
1943 { .ival = "zoned",
1944 .oval = FIO_RAND_DIST_ZONED,
1945 .help = "Zoned random distribution",
1946 },
1947
1948 },
1949 .category = FIO_OPT_C_IO,
1950 .group = FIO_OPT_G_RANDOM,
1951 },
1952 {
1953 .name = "percentage_random",
1954 .lname = "Percentage Random",
1955 .type = FIO_OPT_INT,
1956 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1957 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1958 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
1959 .maxval = 100,
1960 .help = "Percentage of seq/random mix that should be random",
1961 .def = "100,100,100",
1962 .interval = 5,
1963 .inverse = "percentage_sequential",
1964 .category = FIO_OPT_C_IO,
1965 .group = FIO_OPT_G_RANDOM,
1966 },
1967 {
1968 .name = "percentage_sequential",
1969 .lname = "Percentage Sequential",
1970 .type = FIO_OPT_DEPRECATED,
1971 .category = FIO_OPT_C_IO,
1972 .group = FIO_OPT_G_RANDOM,
1973 },
1974 {
1975 .name = "allrandrepeat",
1976 .type = FIO_OPT_BOOL,
1977 .off1 = td_var_offset(allrand_repeatable),
1978 .help = "Use repeatable random numbers for everything",
1979 .def = "0",
1980 .category = FIO_OPT_C_IO,
1981 .group = FIO_OPT_G_RANDOM,
1982 },
1983 {
1984 .name = "nrfiles",
1985 .lname = "Number of files",
1986 .alias = "nr_files",
1987 .type = FIO_OPT_INT,
1988 .off1 = td_var_offset(nr_files),
1989 .help = "Split job workload between this number of files",
1990 .def = "1",
1991 .interval = 1,
1992 .category = FIO_OPT_C_FILE,
1993 .group = FIO_OPT_G_INVALID,
1994 },
1995 {
1996 .name = "openfiles",
1997 .lname = "Number of open files",
1998 .type = FIO_OPT_INT,
1999 .off1 = td_var_offset(open_files),
2000 .help = "Number of files to keep open at the same time",
2001 .category = FIO_OPT_C_FILE,
2002 .group = FIO_OPT_G_INVALID,
2003 },
2004 {
2005 .name = "file_service_type",
2006 .lname = "File service type",
2007 .type = FIO_OPT_STR,
2008 .cb = str_fst_cb,
2009 .off1 = td_var_offset(file_service_type),
2010 .help = "How to select which file to service next",
2011 .def = "roundrobin",
2012 .category = FIO_OPT_C_FILE,
2013 .group = FIO_OPT_G_INVALID,
2014 .posval = {
2015 { .ival = "random",
2016 .oval = FIO_FSERVICE_RANDOM,
2017 .help = "Choose a file at random",
2018 },
2019 { .ival = "roundrobin",
2020 .oval = FIO_FSERVICE_RR,
2021 .help = "Round robin select files",
2022 },
2023 { .ival = "sequential",
2024 .oval = FIO_FSERVICE_SEQ,
2025 .help = "Finish one file before moving to the next",
2026 },
2027 },
2028 .parent = "nrfiles",
2029 .hide = 1,
2030 },
2031#ifdef CONFIG_POSIX_FALLOCATE
2032 {
2033 .name = "fallocate",
2034 .lname = "Fallocate",
2035 .type = FIO_OPT_STR,
2036 .off1 = td_var_offset(fallocate_mode),
2037 .help = "Whether pre-allocation is performed when laying out files",
2038 .def = "posix",
2039 .category = FIO_OPT_C_FILE,
2040 .group = FIO_OPT_G_INVALID,
2041 .posval = {
2042 { .ival = "none",
2043 .oval = FIO_FALLOCATE_NONE,
2044 .help = "Do not pre-allocate space",
2045 },
2046 { .ival = "posix",
2047 .oval = FIO_FALLOCATE_POSIX,
2048 .help = "Use posix_fallocate()",
2049 },
2050#ifdef CONFIG_LINUX_FALLOCATE
2051 { .ival = "keep",
2052 .oval = FIO_FALLOCATE_KEEP_SIZE,
2053 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2054 },
2055#endif
2056 /* Compatibility with former boolean values */
2057 { .ival = "0",
2058 .oval = FIO_FALLOCATE_NONE,
2059 .help = "Alias for 'none'",
2060 },
2061 { .ival = "1",
2062 .oval = FIO_FALLOCATE_POSIX,
2063 .help = "Alias for 'posix'",
2064 },
2065 },
2066 },
2067#endif /* CONFIG_POSIX_FALLOCATE */
2068 {
2069 .name = "fadvise_hint",
2070 .lname = "Fadvise hint",
2071 .type = FIO_OPT_BOOL,
2072 .off1 = td_var_offset(fadvise_hint),
2073 .help = "Use fadvise() to advise the kernel on IO pattern",
2074 .def = "1",
2075 .category = FIO_OPT_C_FILE,
2076 .group = FIO_OPT_G_INVALID,
2077 },
2078#ifdef FIO_HAVE_STREAMID
2079 {
2080 .name = "fadvise_stream",
2081 .lname = "Fadvise stream",
2082 .type = FIO_OPT_INT,
2083 .off1 = td_var_offset(fadvise_stream),
2084 .help = "Use fadvise() to set stream ID",
2085 .category = FIO_OPT_C_FILE,
2086 .group = FIO_OPT_G_INVALID,
2087 },
2088#endif
2089 {
2090 .name = "fsync",
2091 .lname = "Fsync",
2092 .type = FIO_OPT_INT,
2093 .off1 = td_var_offset(fsync_blocks),
2094 .help = "Issue fsync for writes every given number of blocks",
2095 .def = "0",
2096 .interval = 1,
2097 .category = FIO_OPT_C_FILE,
2098 .group = FIO_OPT_G_INVALID,
2099 },
2100 {
2101 .name = "fdatasync",
2102 .lname = "Fdatasync",
2103 .type = FIO_OPT_INT,
2104 .off1 = td_var_offset(fdatasync_blocks),
2105 .help = "Issue fdatasync for writes every given number of blocks",
2106 .def = "0",
2107 .interval = 1,
2108 .category = FIO_OPT_C_FILE,
2109 .group = FIO_OPT_G_INVALID,
2110 },
2111 {
2112 .name = "write_barrier",
2113 .lname = "Write barrier",
2114 .type = FIO_OPT_INT,
2115 .off1 = td_var_offset(barrier_blocks),
2116 .help = "Make every Nth write a barrier write",
2117 .def = "0",
2118 .interval = 1,
2119 .category = FIO_OPT_C_IO,
2120 .group = FIO_OPT_G_INVALID,
2121 },
2122#ifdef CONFIG_SYNC_FILE_RANGE
2123 {
2124 .name = "sync_file_range",
2125 .lname = "Sync file range",
2126 .posval = {
2127 { .ival = "wait_before",
2128 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2129 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
2130 .orval = 1,
2131 },
2132 { .ival = "write",
2133 .oval = SYNC_FILE_RANGE_WRITE,
2134 .help = "SYNC_FILE_RANGE_WRITE",
2135 .orval = 1,
2136 },
2137 {
2138 .ival = "wait_after",
2139 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2140 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
2141 .orval = 1,
2142 },
2143 },
2144 .type = FIO_OPT_STR_MULTI,
2145 .cb = str_sfr_cb,
2146 .off1 = td_var_offset(sync_file_range),
2147 .help = "Use sync_file_range()",
2148 .category = FIO_OPT_C_FILE,
2149 .group = FIO_OPT_G_INVALID,
2150 },
2151#endif
2152 {
2153 .name = "direct",
2154 .lname = "Direct I/O",
2155 .type = FIO_OPT_BOOL,
2156 .off1 = td_var_offset(odirect),
2157 .help = "Use O_DIRECT IO (negates buffered)",
2158 .def = "0",
2159 .inverse = "buffered",
2160 .category = FIO_OPT_C_IO,
2161 .group = FIO_OPT_G_IO_TYPE,
2162 },
2163 {
2164 .name = "atomic",
2165 .lname = "Atomic I/O",
2166 .type = FIO_OPT_BOOL,
2167 .off1 = td_var_offset(oatomic),
2168 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2169 .def = "0",
2170 .category = FIO_OPT_C_IO,
2171 .group = FIO_OPT_G_IO_TYPE,
2172 },
2173 {
2174 .name = "buffered",
2175 .lname = "Buffered I/O",
2176 .type = FIO_OPT_BOOL,
2177 .off1 = td_var_offset(odirect),
2178 .neg = 1,
2179 .help = "Use buffered IO (negates direct)",
2180 .def = "1",
2181 .inverse = "direct",
2182 .category = FIO_OPT_C_IO,
2183 .group = FIO_OPT_G_IO_TYPE,
2184 },
2185 {
2186 .name = "overwrite",
2187 .lname = "Overwrite",
2188 .type = FIO_OPT_BOOL,
2189 .off1 = td_var_offset(overwrite),
2190 .help = "When writing, set whether to overwrite current data",
2191 .def = "0",
2192 .category = FIO_OPT_C_FILE,
2193 .group = FIO_OPT_G_INVALID,
2194 },
2195 {
2196 .name = "loops",
2197 .lname = "Loops",
2198 .type = FIO_OPT_INT,
2199 .off1 = td_var_offset(loops),
2200 .help = "Number of times to run the job",
2201 .def = "1",
2202 .interval = 1,
2203 .category = FIO_OPT_C_GENERAL,
2204 .group = FIO_OPT_G_RUNTIME,
2205 },
2206 {
2207 .name = "numjobs",
2208 .lname = "Number of jobs",
2209 .type = FIO_OPT_INT,
2210 .off1 = td_var_offset(numjobs),
2211 .help = "Duplicate this job this many times",
2212 .def = "1",
2213 .interval = 1,
2214 .category = FIO_OPT_C_GENERAL,
2215 .group = FIO_OPT_G_RUNTIME,
2216 },
2217 {
2218 .name = "startdelay",
2219 .lname = "Start delay",
2220 .type = FIO_OPT_STR_VAL_TIME,
2221 .off1 = td_var_offset(start_delay),
2222 .off2 = td_var_offset(start_delay_high),
2223 .help = "Only start job when this period has passed",
2224 .def = "0",
2225 .is_seconds = 1,
2226 .is_time = 1,
2227 .category = FIO_OPT_C_GENERAL,
2228 .group = FIO_OPT_G_RUNTIME,
2229 },
2230 {
2231 .name = "runtime",
2232 .lname = "Runtime",
2233 .alias = "timeout",
2234 .type = FIO_OPT_STR_VAL_TIME,
2235 .off1 = td_var_offset(timeout),
2236 .help = "Stop workload when this amount of time has passed",
2237 .def = "0",
2238 .is_seconds = 1,
2239 .is_time = 1,
2240 .category = FIO_OPT_C_GENERAL,
2241 .group = FIO_OPT_G_RUNTIME,
2242 },
2243 {
2244 .name = "time_based",
2245 .lname = "Time based",
2246 .type = FIO_OPT_STR_SET,
2247 .off1 = td_var_offset(time_based),
2248 .help = "Keep running until runtime/timeout is met",
2249 .category = FIO_OPT_C_GENERAL,
2250 .group = FIO_OPT_G_RUNTIME,
2251 },
2252 {
2253 .name = "verify_only",
2254 .lname = "Verify only",
2255 .type = FIO_OPT_STR_SET,
2256 .off1 = td_var_offset(verify_only),
2257 .help = "Verifies previously written data is still valid",
2258 .category = FIO_OPT_C_GENERAL,
2259 .group = FIO_OPT_G_RUNTIME,
2260 },
2261 {
2262 .name = "ramp_time",
2263 .lname = "Ramp time",
2264 .type = FIO_OPT_STR_VAL_TIME,
2265 .off1 = td_var_offset(ramp_time),
2266 .help = "Ramp up time before measuring performance",
2267 .is_seconds = 1,
2268 .is_time = 1,
2269 .category = FIO_OPT_C_GENERAL,
2270 .group = FIO_OPT_G_RUNTIME,
2271 },
2272 {
2273 .name = "clocksource",
2274 .lname = "Clock source",
2275 .type = FIO_OPT_STR,
2276 .cb = fio_clock_source_cb,
2277 .off1 = td_var_offset(clocksource),
2278 .help = "What type of timing source to use",
2279 .category = FIO_OPT_C_GENERAL,
2280 .group = FIO_OPT_G_CLOCK,
2281 .posval = {
2282#ifdef CONFIG_GETTIMEOFDAY
2283 { .ival = "gettimeofday",
2284 .oval = CS_GTOD,
2285 .help = "Use gettimeofday(2) for timing",
2286 },
2287#endif
2288#ifdef CONFIG_CLOCK_GETTIME
2289 { .ival = "clock_gettime",
2290 .oval = CS_CGETTIME,
2291 .help = "Use clock_gettime(2) for timing",
2292 },
2293#endif
2294#ifdef ARCH_HAVE_CPU_CLOCK
2295 { .ival = "cpu",
2296 .oval = CS_CPUCLOCK,
2297 .help = "Use CPU private clock",
2298 },
2299#endif
2300 },
2301 },
2302 {
2303 .name = "mem",
2304 .alias = "iomem",
2305 .lname = "I/O Memory",
2306 .type = FIO_OPT_STR,
2307 .cb = str_mem_cb,
2308 .off1 = td_var_offset(mem_type),
2309 .help = "Backing type for IO buffers",
2310 .def = "malloc",
2311 .category = FIO_OPT_C_IO,
2312 .group = FIO_OPT_G_INVALID,
2313 .posval = {
2314 { .ival = "malloc",
2315 .oval = MEM_MALLOC,
2316 .help = "Use malloc(3) for IO buffers",
2317 },
2318#ifndef CONFIG_NO_SHM
2319 { .ival = "shm",
2320 .oval = MEM_SHM,
2321 .help = "Use shared memory segments for IO buffers",
2322 },
2323#ifdef FIO_HAVE_HUGETLB
2324 { .ival = "shmhuge",
2325 .oval = MEM_SHMHUGE,
2326 .help = "Like shm, but use huge pages",
2327 },
2328#endif
2329#endif
2330 { .ival = "mmap",
2331 .oval = MEM_MMAP,
2332 .help = "Use mmap(2) (file or anon) for IO buffers",
2333 },
2334 { .ival = "mmapshared",
2335 .oval = MEM_MMAPSHARED,
2336 .help = "Like mmap, but use the shared flag",
2337 },
2338#ifdef FIO_HAVE_HUGETLB
2339 { .ival = "mmaphuge",
2340 .oval = MEM_MMAPHUGE,
2341 .help = "Like mmap, but use huge pages",
2342 },
2343#endif
2344 },
2345 },
2346 {
2347 .name = "iomem_align",
2348 .alias = "mem_align",
2349 .lname = "I/O memory alignment",
2350 .type = FIO_OPT_INT,
2351 .off1 = td_var_offset(mem_align),
2352 .minval = 0,
2353 .help = "IO memory buffer offset alignment",
2354 .def = "0",
2355 .parent = "iomem",
2356 .hide = 1,
2357 .category = FIO_OPT_C_IO,
2358 .group = FIO_OPT_G_INVALID,
2359 },
2360 {
2361 .name = "verify",
2362 .lname = "Verify",
2363 .type = FIO_OPT_STR,
2364 .off1 = td_var_offset(verify),
2365 .help = "Verify data written",
2366 .def = "0",
2367 .category = FIO_OPT_C_IO,
2368 .group = FIO_OPT_G_VERIFY,
2369 .posval = {
2370 { .ival = "0",
2371 .oval = VERIFY_NONE,
2372 .help = "Don't do IO verification",
2373 },
2374 { .ival = "md5",
2375 .oval = VERIFY_MD5,
2376 .help = "Use md5 checksums for verification",
2377 },
2378 { .ival = "crc64",
2379 .oval = VERIFY_CRC64,
2380 .help = "Use crc64 checksums for verification",
2381 },
2382 { .ival = "crc32",
2383 .oval = VERIFY_CRC32,
2384 .help = "Use crc32 checksums for verification",
2385 },
2386 { .ival = "crc32c-intel",
2387 .oval = VERIFY_CRC32C,
2388 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2389 },
2390 { .ival = "crc32c",
2391 .oval = VERIFY_CRC32C,
2392 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2393 },
2394 { .ival = "crc16",
2395 .oval = VERIFY_CRC16,
2396 .help = "Use crc16 checksums for verification",
2397 },
2398 { .ival = "crc7",
2399 .oval = VERIFY_CRC7,
2400 .help = "Use crc7 checksums for verification",
2401 },
2402 { .ival = "sha1",
2403 .oval = VERIFY_SHA1,
2404 .help = "Use sha1 checksums for verification",
2405 },
2406 { .ival = "sha256",
2407 .oval = VERIFY_SHA256,
2408 .help = "Use sha256 checksums for verification",
2409 },
2410 { .ival = "sha512",
2411 .oval = VERIFY_SHA512,
2412 .help = "Use sha512 checksums for verification",
2413 },
2414 { .ival = "xxhash",
2415 .oval = VERIFY_XXHASH,
2416 .help = "Use xxhash checksums for verification",
2417 },
2418 /* Meta information was included into verify_header,
2419 * 'meta' verification is implied by default. */
2420 { .ival = "meta",
2421 .oval = VERIFY_HDR_ONLY,
2422 .help = "Use io information for verification. "
2423 "Now is implied by default, thus option is obsolete, "
2424 "don't use it",
2425 },
2426 { .ival = "pattern",
2427 .oval = VERIFY_PATTERN_NO_HDR,
2428 .help = "Verify strict pattern",
2429 },
2430 {
2431 .ival = "null",
2432 .oval = VERIFY_NULL,
2433 .help = "Pretend to verify",
2434 },
2435 },
2436 },
2437 {
2438 .name = "do_verify",
2439 .lname = "Perform verify step",
2440 .type = FIO_OPT_BOOL,
2441 .off1 = td_var_offset(do_verify),
2442 .help = "Run verification stage after write",
2443 .def = "1",
2444 .parent = "verify",
2445 .hide = 1,
2446 .category = FIO_OPT_C_IO,
2447 .group = FIO_OPT_G_VERIFY,
2448 },
2449 {
2450 .name = "verifysort",
2451 .lname = "Verify sort",
2452 .type = FIO_OPT_BOOL,
2453 .off1 = td_var_offset(verifysort),
2454 .help = "Sort written verify blocks for read back",
2455 .def = "1",
2456 .parent = "verify",
2457 .hide = 1,
2458 .category = FIO_OPT_C_IO,
2459 .group = FIO_OPT_G_VERIFY,
2460 },
2461 {
2462 .name = "verifysort_nr",
2463 .type = FIO_OPT_INT,
2464 .off1 = td_var_offset(verifysort_nr),
2465 .help = "Pre-load and sort verify blocks for a read workload",
2466 .minval = 0,
2467 .maxval = 131072,
2468 .def = "1024",
2469 .parent = "verify",
2470 .category = FIO_OPT_C_IO,
2471 .group = FIO_OPT_G_VERIFY,
2472 },
2473 {
2474 .name = "verify_interval",
2475 .lname = "Verify interval",
2476 .type = FIO_OPT_INT,
2477 .off1 = td_var_offset(verify_interval),
2478 .minval = 2 * sizeof(struct verify_header),
2479 .help = "Store verify buffer header every N bytes",
2480 .parent = "verify",
2481 .hide = 1,
2482 .interval = 2 * sizeof(struct verify_header),
2483 .category = FIO_OPT_C_IO,
2484 .group = FIO_OPT_G_VERIFY,
2485 },
2486 {
2487 .name = "verify_offset",
2488 .lname = "Verify offset",
2489 .type = FIO_OPT_INT,
2490 .help = "Offset verify header location by N bytes",
2491 .off1 = td_var_offset(verify_offset),
2492 .minval = sizeof(struct verify_header),
2493 .parent = "verify",
2494 .hide = 1,
2495 .category = FIO_OPT_C_IO,
2496 .group = FIO_OPT_G_VERIFY,
2497 },
2498 {
2499 .name = "verify_pattern",
2500 .lname = "Verify pattern",
2501 .type = FIO_OPT_STR,
2502 .cb = str_verify_pattern_cb,
2503 .off1 = td_var_offset(verify_pattern),
2504 .help = "Fill pattern for IO buffers",
2505 .parent = "verify",
2506 .hide = 1,
2507 .category = FIO_OPT_C_IO,
2508 .group = FIO_OPT_G_VERIFY,
2509 },
2510 {
2511 .name = "verify_fatal",
2512 .lname = "Verify fatal",
2513 .type = FIO_OPT_BOOL,
2514 .off1 = td_var_offset(verify_fatal),
2515 .def = "0",
2516 .help = "Exit on a single verify failure, don't continue",
2517 .parent = "verify",
2518 .hide = 1,
2519 .category = FIO_OPT_C_IO,
2520 .group = FIO_OPT_G_VERIFY,
2521 },
2522 {
2523 .name = "verify_dump",
2524 .lname = "Verify dump",
2525 .type = FIO_OPT_BOOL,
2526 .off1 = td_var_offset(verify_dump),
2527 .def = "0",
2528 .help = "Dump contents of good and bad blocks on failure",
2529 .parent = "verify",
2530 .hide = 1,
2531 .category = FIO_OPT_C_IO,
2532 .group = FIO_OPT_G_VERIFY,
2533 },
2534 {
2535 .name = "verify_async",
2536 .lname = "Verify asynchronously",
2537 .type = FIO_OPT_INT,
2538 .off1 = td_var_offset(verify_async),
2539 .def = "0",
2540 .help = "Number of async verifier threads to use",
2541 .parent = "verify",
2542 .hide = 1,
2543 .category = FIO_OPT_C_IO,
2544 .group = FIO_OPT_G_VERIFY,
2545 },
2546 {
2547 .name = "verify_backlog",
2548 .lname = "Verify backlog",
2549 .type = FIO_OPT_STR_VAL,
2550 .off1 = td_var_offset(verify_backlog),
2551 .help = "Verify after this number of blocks are written",
2552 .parent = "verify",
2553 .hide = 1,
2554 .category = FIO_OPT_C_IO,
2555 .group = FIO_OPT_G_VERIFY,
2556 },
2557 {
2558 .name = "verify_backlog_batch",
2559 .lname = "Verify backlog batch",
2560 .type = FIO_OPT_INT,
2561 .off1 = td_var_offset(verify_batch),
2562 .help = "Verify this number of IO blocks",
2563 .parent = "verify",
2564 .hide = 1,
2565 .category = FIO_OPT_C_IO,
2566 .group = FIO_OPT_G_VERIFY,
2567 },
2568#ifdef FIO_HAVE_CPU_AFFINITY
2569 {
2570 .name = "verify_async_cpus",
2571 .lname = "Async verify CPUs",
2572 .type = FIO_OPT_STR,
2573 .cb = str_verify_cpus_allowed_cb,
2574 .off1 = td_var_offset(verify_cpumask),
2575 .help = "Set CPUs allowed for async verify threads",
2576 .parent = "verify_async",
2577 .hide = 1,
2578 .category = FIO_OPT_C_IO,
2579 .group = FIO_OPT_G_VERIFY,
2580 },
2581#endif
2582 {
2583 .name = "experimental_verify",
2584 .off1 = td_var_offset(experimental_verify),
2585 .type = FIO_OPT_BOOL,
2586 .help = "Enable experimental verification",
2587 .parent = "verify",
2588 .category = FIO_OPT_C_IO,
2589 .group = FIO_OPT_G_VERIFY,
2590 },
2591 {
2592 .name = "verify_state_load",
2593 .lname = "Load verify state",
2594 .off1 = td_var_offset(verify_state),
2595 .type = FIO_OPT_BOOL,
2596 .help = "Load verify termination state",
2597 .parent = "verify",
2598 .category = FIO_OPT_C_IO,
2599 .group = FIO_OPT_G_VERIFY,
2600 },
2601 {
2602 .name = "verify_state_save",
2603 .lname = "Save verify state",
2604 .off1 = td_var_offset(verify_state_save),
2605 .type = FIO_OPT_BOOL,
2606 .def = "1",
2607 .help = "Save verify state on termination",
2608 .parent = "verify",
2609 .category = FIO_OPT_C_IO,
2610 .group = FIO_OPT_G_VERIFY,
2611 },
2612#ifdef FIO_HAVE_TRIM
2613 {
2614 .name = "trim_percentage",
2615 .lname = "Trim percentage",
2616 .type = FIO_OPT_INT,
2617 .off1 = td_var_offset(trim_percentage),
2618 .minval = 0,
2619 .maxval = 100,
2620 .help = "Number of verify blocks to discard/trim",
2621 .parent = "verify",
2622 .def = "0",
2623 .interval = 1,
2624 .hide = 1,
2625 .category = FIO_OPT_C_IO,
2626 .group = FIO_OPT_G_TRIM,
2627 },
2628 {
2629 .name = "trim_verify_zero",
2630 .lname = "Verify trim zero",
2631 .type = FIO_OPT_BOOL,
2632 .help = "Verify that trim/discarded blocks are returned as zeroes",
2633 .off1 = td_var_offset(trim_zero),
2634 .parent = "trim_percentage",
2635 .hide = 1,
2636 .def = "1",
2637 .category = FIO_OPT_C_IO,
2638 .group = FIO_OPT_G_TRIM,
2639 },
2640 {
2641 .name = "trim_backlog",
2642 .lname = "Trim backlog",
2643 .type = FIO_OPT_STR_VAL,
2644 .off1 = td_var_offset(trim_backlog),
2645 .help = "Trim after this number of blocks are written",
2646 .parent = "trim_percentage",
2647 .hide = 1,
2648 .interval = 1,
2649 .category = FIO_OPT_C_IO,
2650 .group = FIO_OPT_G_TRIM,
2651 },
2652 {
2653 .name = "trim_backlog_batch",
2654 .lname = "Trim backlog batch",
2655 .type = FIO_OPT_INT,
2656 .off1 = td_var_offset(trim_batch),
2657 .help = "Trim this number of IO blocks",
2658 .parent = "trim_percentage",
2659 .hide = 1,
2660 .interval = 1,
2661 .category = FIO_OPT_C_IO,
2662 .group = FIO_OPT_G_TRIM,
2663 },
2664#endif
2665 {
2666 .name = "write_iolog",
2667 .lname = "Write I/O log",
2668 .type = FIO_OPT_STR_STORE,
2669 .off1 = td_var_offset(write_iolog_file),
2670 .help = "Store IO pattern to file",
2671 .category = FIO_OPT_C_IO,
2672 .group = FIO_OPT_G_IOLOG,
2673 },
2674 {
2675 .name = "read_iolog",
2676 .lname = "Read I/O log",
2677 .type = FIO_OPT_STR_STORE,
2678 .off1 = td_var_offset(read_iolog_file),
2679 .help = "Playback IO pattern from file",
2680 .category = FIO_OPT_C_IO,
2681 .group = FIO_OPT_G_IOLOG,
2682 },
2683 {
2684 .name = "replay_no_stall",
2685 .lname = "Don't stall on replay",
2686 .type = FIO_OPT_BOOL,
2687 .off1 = td_var_offset(no_stall),
2688 .def = "0",
2689 .parent = "read_iolog",
2690 .hide = 1,
2691 .help = "Playback IO pattern file as fast as possible without stalls",
2692 .category = FIO_OPT_C_IO,
2693 .group = FIO_OPT_G_IOLOG,
2694 },
2695 {
2696 .name = "replay_redirect",
2697 .lname = "Redirect device for replay",
2698 .type = FIO_OPT_STR_STORE,
2699 .off1 = td_var_offset(replay_redirect),
2700 .parent = "read_iolog",
2701 .hide = 1,
2702 .help = "Replay all I/O onto this device, regardless of trace device",
2703 .category = FIO_OPT_C_IO,
2704 .group = FIO_OPT_G_IOLOG,
2705 },
2706 {
2707 .name = "replay_scale",
2708 .lname = "Replace offset scale factor",
2709 .type = FIO_OPT_INT,
2710 .off1 = td_var_offset(replay_scale),
2711 .parent = "read_iolog",
2712 .def = "1",
2713 .help = "Align offsets to this blocksize",
2714 .category = FIO_OPT_C_IO,
2715 .group = FIO_OPT_G_IOLOG,
2716 },
2717 {
2718 .name = "replay_align",
2719 .lname = "Replace alignment",
2720 .type = FIO_OPT_INT,
2721 .off1 = td_var_offset(replay_align),
2722 .parent = "read_iolog",
2723 .help = "Scale offset down by this factor",
2724 .category = FIO_OPT_C_IO,
2725 .group = FIO_OPT_G_IOLOG,
2726 .pow2 = 1,
2727 },
2728 {
2729 .name = "exec_prerun",
2730 .lname = "Pre-execute runnable",
2731 .type = FIO_OPT_STR_STORE,
2732 .off1 = td_var_offset(exec_prerun),
2733 .help = "Execute this file prior to running job",
2734 .category = FIO_OPT_C_GENERAL,
2735 .group = FIO_OPT_G_INVALID,
2736 },
2737 {
2738 .name = "exec_postrun",
2739 .lname = "Post-execute runnable",
2740 .type = FIO_OPT_STR_STORE,
2741 .off1 = td_var_offset(exec_postrun),
2742 .help = "Execute this file after running job",
2743 .category = FIO_OPT_C_GENERAL,
2744 .group = FIO_OPT_G_INVALID,
2745 },
2746#ifdef FIO_HAVE_IOSCHED_SWITCH
2747 {
2748 .name = "ioscheduler",
2749 .lname = "I/O scheduler",
2750 .type = FIO_OPT_STR_STORE,
2751 .off1 = td_var_offset(ioscheduler),
2752 .help = "Use this IO scheduler on the backing device",
2753 .category = FIO_OPT_C_FILE,
2754 .group = FIO_OPT_G_INVALID,
2755 },
2756#endif
2757 {
2758 .name = "zonesize",
2759 .lname = "Zone size",
2760 .type = FIO_OPT_STR_VAL,
2761 .off1 = td_var_offset(zone_size),
2762 .help = "Amount of data to read per zone",
2763 .def = "0",
2764 .interval = 1024 * 1024,
2765 .category = FIO_OPT_C_IO,
2766 .group = FIO_OPT_G_ZONE,
2767 },
2768 {
2769 .name = "zonerange",
2770 .lname = "Zone range",
2771 .type = FIO_OPT_STR_VAL,
2772 .off1 = td_var_offset(zone_range),
2773 .help = "Give size of an IO zone",
2774 .def = "0",
2775 .interval = 1024 * 1024,
2776 .category = FIO_OPT_C_IO,
2777 .group = FIO_OPT_G_ZONE,
2778 },
2779 {
2780 .name = "zoneskip",
2781 .lname = "Zone skip",
2782 .type = FIO_OPT_STR_VAL,
2783 .off1 = td_var_offset(zone_skip),
2784 .help = "Space between IO zones",
2785 .def = "0",
2786 .interval = 1024 * 1024,
2787 .category = FIO_OPT_C_IO,
2788 .group = FIO_OPT_G_ZONE,
2789 },
2790 {
2791 .name = "lockmem",
2792 .lname = "Lock memory",
2793 .type = FIO_OPT_STR_VAL,
2794 .off1 = td_var_offset(lockmem),
2795 .help = "Lock down this amount of memory (per worker)",
2796 .def = "0",
2797 .interval = 1024 * 1024,
2798 .category = FIO_OPT_C_GENERAL,
2799 .group = FIO_OPT_G_INVALID,
2800 },
2801 {
2802 .name = "rwmixread",
2803 .lname = "Read/write mix read",
2804 .type = FIO_OPT_INT,
2805 .cb = str_rwmix_read_cb,
2806 .off1 = td_var_offset(rwmix[DDIR_READ]),
2807 .maxval = 100,
2808 .help = "Percentage of mixed workload that is reads",
2809 .def = "50",
2810 .interval = 5,
2811 .inverse = "rwmixwrite",
2812 .category = FIO_OPT_C_IO,
2813 .group = FIO_OPT_G_RWMIX,
2814 },
2815 {
2816 .name = "rwmixwrite",
2817 .lname = "Read/write mix write",
2818 .type = FIO_OPT_INT,
2819 .cb = str_rwmix_write_cb,
2820 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
2821 .maxval = 100,
2822 .help = "Percentage of mixed workload that is writes",
2823 .def = "50",
2824 .interval = 5,
2825 .inverse = "rwmixread",
2826 .category = FIO_OPT_C_IO,
2827 .group = FIO_OPT_G_RWMIX,
2828 },
2829 {
2830 .name = "rwmixcycle",
2831 .lname = "Read/write mix cycle",
2832 .type = FIO_OPT_DEPRECATED,
2833 .category = FIO_OPT_C_IO,
2834 .group = FIO_OPT_G_RWMIX,
2835 },
2836 {
2837 .name = "nice",
2838 .lname = "Nice",
2839 .type = FIO_OPT_INT,
2840 .off1 = td_var_offset(nice),
2841 .help = "Set job CPU nice value",
2842 .minval = -19,
2843 .maxval = 20,
2844 .def = "0",
2845 .interval = 1,
2846 .category = FIO_OPT_C_GENERAL,
2847 .group = FIO_OPT_G_CRED,
2848 },
2849#ifdef FIO_HAVE_IOPRIO
2850 {
2851 .name = "prio",
2852 .lname = "I/O nice priority",
2853 .type = FIO_OPT_INT,
2854 .off1 = td_var_offset(ioprio),
2855 .help = "Set job IO priority value",
2856 .minval = 0,
2857 .maxval = 7,
2858 .interval = 1,
2859 .category = FIO_OPT_C_GENERAL,
2860 .group = FIO_OPT_G_CRED,
2861 },
2862 {
2863 .name = "prioclass",
2864 .lname = "I/O nice priority class",
2865 .type = FIO_OPT_INT,
2866 .off1 = td_var_offset(ioprio_class),
2867 .help = "Set job IO priority class",
2868 .minval = 0,
2869 .maxval = 3,
2870 .interval = 1,
2871 .category = FIO_OPT_C_GENERAL,
2872 .group = FIO_OPT_G_CRED,
2873 },
2874#endif
2875 {
2876 .name = "thinktime",
2877 .lname = "Thinktime",
2878 .type = FIO_OPT_INT,
2879 .off1 = td_var_offset(thinktime),
2880 .help = "Idle time between IO buffers (usec)",
2881 .def = "0",
2882 .is_time = 1,
2883 .category = FIO_OPT_C_IO,
2884 .group = FIO_OPT_G_THINKTIME,
2885 },
2886 {
2887 .name = "thinktime_spin",
2888 .lname = "Thinktime spin",
2889 .type = FIO_OPT_INT,
2890 .off1 = td_var_offset(thinktime_spin),
2891 .help = "Start think time by spinning this amount (usec)",
2892 .def = "0",
2893 .is_time = 1,
2894 .parent = "thinktime",
2895 .hide = 1,
2896 .category = FIO_OPT_C_IO,
2897 .group = FIO_OPT_G_THINKTIME,
2898 },
2899 {
2900 .name = "thinktime_blocks",
2901 .lname = "Thinktime blocks",
2902 .type = FIO_OPT_INT,
2903 .off1 = td_var_offset(thinktime_blocks),
2904 .help = "IO buffer period between 'thinktime'",
2905 .def = "1",
2906 .parent = "thinktime",
2907 .hide = 1,
2908 .category = FIO_OPT_C_IO,
2909 .group = FIO_OPT_G_THINKTIME,
2910 },
2911 {
2912 .name = "rate",
2913 .lname = "I/O rate",
2914 .type = FIO_OPT_INT,
2915 .off1 = td_var_offset(rate[DDIR_READ]),
2916 .off2 = td_var_offset(rate[DDIR_WRITE]),
2917 .off3 = td_var_offset(rate[DDIR_TRIM]),
2918 .help = "Set bandwidth rate",
2919 .category = FIO_OPT_C_IO,
2920 .group = FIO_OPT_G_RATE,
2921 },
2922 {
2923 .name = "rate_min",
2924 .alias = "ratemin",
2925 .lname = "I/O min rate",
2926 .type = FIO_OPT_INT,
2927 .off1 = td_var_offset(ratemin[DDIR_READ]),
2928 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2929 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
2930 .help = "Job must meet this rate or it will be shutdown",
2931 .parent = "rate",
2932 .hide = 1,
2933 .category = FIO_OPT_C_IO,
2934 .group = FIO_OPT_G_RATE,
2935 },
2936 {
2937 .name = "rate_iops",
2938 .lname = "I/O rate IOPS",
2939 .type = FIO_OPT_INT,
2940 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2941 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2942 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
2943 .help = "Limit IO used to this number of IO operations/sec",
2944 .hide = 1,
2945 .category = FIO_OPT_C_IO,
2946 .group = FIO_OPT_G_RATE,
2947 },
2948 {
2949 .name = "rate_iops_min",
2950 .lname = "I/O min rate IOPS",
2951 .type = FIO_OPT_INT,
2952 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2953 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2954 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
2955 .help = "Job must meet this rate or it will be shut down",
2956 .parent = "rate_iops",
2957 .hide = 1,
2958 .category = FIO_OPT_C_IO,
2959 .group = FIO_OPT_G_RATE,
2960 },
2961 {
2962 .name = "rate_process",
2963 .lname = "Rate Process",
2964 .type = FIO_OPT_STR,
2965 .off1 = td_var_offset(rate_process),
2966 .help = "What process controls how rated IO is managed",
2967 .def = "linear",
2968 .category = FIO_OPT_C_IO,
2969 .group = FIO_OPT_G_RATE,
2970 .posval = {
2971 { .ival = "linear",
2972 .oval = RATE_PROCESS_LINEAR,
2973 .help = "Linear rate of IO",
2974 },
2975 {
2976 .ival = "poisson",
2977 .oval = RATE_PROCESS_POISSON,
2978 .help = "Rate follows Poisson process",
2979 },
2980 },
2981 .parent = "rate",
2982 },
2983 {
2984 .name = "rate_cycle",
2985 .alias = "ratecycle",
2986 .lname = "I/O rate cycle",
2987 .type = FIO_OPT_INT,
2988 .off1 = td_var_offset(ratecycle),
2989 .help = "Window average for rate limits (msec)",
2990 .def = "1000",
2991 .parent = "rate",
2992 .hide = 1,
2993 .category = FIO_OPT_C_IO,
2994 .group = FIO_OPT_G_RATE,
2995 },
2996 {
2997 .name = "max_latency",
2998 .type = FIO_OPT_INT,
2999 .off1 = td_var_offset(max_latency),
3000 .help = "Maximum tolerated IO latency (usec)",
3001 .is_time = 1,
3002 .category = FIO_OPT_C_IO,
3003 .group = FIO_OPT_G_LATPROF,
3004 },
3005 {
3006 .name = "latency_target",
3007 .lname = "Latency Target (usec)",
3008 .type = FIO_OPT_STR_VAL_TIME,
3009 .off1 = td_var_offset(latency_target),
3010 .help = "Ramp to max queue depth supporting this latency",
3011 .is_time = 1,
3012 .category = FIO_OPT_C_IO,
3013 .group = FIO_OPT_G_LATPROF,
3014 },
3015 {
3016 .name = "latency_window",
3017 .lname = "Latency Window (usec)",
3018 .type = FIO_OPT_STR_VAL_TIME,
3019 .off1 = td_var_offset(latency_window),
3020 .help = "Time to sustain latency_target",
3021 .is_time = 1,
3022 .category = FIO_OPT_C_IO,
3023 .group = FIO_OPT_G_LATPROF,
3024 },
3025 {
3026 .name = "latency_percentile",
3027 .lname = "Latency Percentile",
3028 .type = FIO_OPT_FLOAT_LIST,
3029 .off1 = td_var_offset(latency_percentile),
3030 .help = "Percentile of IOs must be below latency_target",
3031 .def = "100",
3032 .maxlen = 1,
3033 .minfp = 0.0,
3034 .maxfp = 100.0,
3035 .category = FIO_OPT_C_IO,
3036 .group = FIO_OPT_G_LATPROF,
3037 },
3038 {
3039 .name = "invalidate",
3040 .lname = "Cache invalidate",
3041 .type = FIO_OPT_BOOL,
3042 .off1 = td_var_offset(invalidate_cache),
3043 .help = "Invalidate buffer/page cache prior to running job",
3044 .def = "1",
3045 .category = FIO_OPT_C_IO,
3046 .group = FIO_OPT_G_IO_TYPE,
3047 },
3048 {
3049 .name = "sync",
3050 .lname = "Synchronous I/O",
3051 .type = FIO_OPT_BOOL,
3052 .off1 = td_var_offset(sync_io),
3053 .help = "Use O_SYNC for buffered writes",
3054 .def = "0",
3055 .parent = "buffered",
3056 .hide = 1,
3057 .category = FIO_OPT_C_IO,
3058 .group = FIO_OPT_G_IO_TYPE,
3059 },
3060 {
3061 .name = "create_serialize",
3062 .lname = "Create serialize",
3063 .type = FIO_OPT_BOOL,
3064 .off1 = td_var_offset(create_serialize),
3065 .help = "Serialize creating of job files",
3066 .def = "1",
3067 .category = FIO_OPT_C_FILE,
3068 .group = FIO_OPT_G_INVALID,
3069 },
3070 {
3071 .name = "create_fsync",
3072 .lname = "Create fsync",
3073 .type = FIO_OPT_BOOL,
3074 .off1 = td_var_offset(create_fsync),
3075 .help = "fsync file after creation",
3076 .def = "1",
3077 .category = FIO_OPT_C_FILE,
3078 .group = FIO_OPT_G_INVALID,
3079 },
3080 {
3081 .name = "create_on_open",
3082 .lname = "Create on open",
3083 .type = FIO_OPT_BOOL,
3084 .off1 = td_var_offset(create_on_open),
3085 .help = "Create files when they are opened for IO",
3086 .def = "0",
3087 .category = FIO_OPT_C_FILE,
3088 .group = FIO_OPT_G_INVALID,
3089 },
3090 {
3091 .name = "create_only",
3092 .type = FIO_OPT_BOOL,
3093 .off1 = td_var_offset(create_only),
3094 .help = "Only perform file creation phase",
3095 .category = FIO_OPT_C_FILE,
3096 .def = "0",
3097 },
3098 {
3099 .name = "allow_file_create",
3100 .lname = "Allow file create",
3101 .type = FIO_OPT_BOOL,
3102 .off1 = td_var_offset(allow_create),
3103 .help = "Permit fio to create files, if they don't exist",
3104 .def = "1",
3105 .category = FIO_OPT_C_FILE,
3106 .group = FIO_OPT_G_FILENAME,
3107 },
3108 {
3109 .name = "allow_mounted_write",
3110 .lname = "Allow mounted write",
3111 .type = FIO_OPT_BOOL,
3112 .off1 = td_var_offset(allow_mounted_write),
3113 .help = "Allow writes to a mounted partition",
3114 .def = "0",
3115 .category = FIO_OPT_C_FILE,
3116 .group = FIO_OPT_G_FILENAME,
3117 },
3118 {
3119 .name = "pre_read",
3120 .lname = "Pre-read files",
3121 .type = FIO_OPT_BOOL,
3122 .off1 = td_var_offset(pre_read),
3123 .help = "Pre-read files before starting official testing",
3124 .def = "0",
3125 .category = FIO_OPT_C_FILE,
3126 .group = FIO_OPT_G_INVALID,
3127 },
3128#ifdef FIO_HAVE_CPU_AFFINITY
3129 {
3130 .name = "cpumask",
3131 .lname = "CPU mask",
3132 .type = FIO_OPT_INT,
3133 .cb = str_cpumask_cb,
3134 .off1 = td_var_offset(cpumask),
3135 .help = "CPU affinity mask",
3136 .category = FIO_OPT_C_GENERAL,
3137 .group = FIO_OPT_G_CRED,
3138 },
3139 {
3140 .name = "cpus_allowed",
3141 .lname = "CPUs allowed",
3142 .type = FIO_OPT_STR,
3143 .cb = str_cpus_allowed_cb,
3144 .off1 = td_var_offset(cpumask),
3145 .help = "Set CPUs allowed",
3146 .category = FIO_OPT_C_GENERAL,
3147 .group = FIO_OPT_G_CRED,
3148 },
3149 {
3150 .name = "cpus_allowed_policy",
3151 .lname = "CPUs allowed distribution policy",
3152 .type = FIO_OPT_STR,
3153 .off1 = td_var_offset(cpus_allowed_policy),
3154 .help = "Distribution policy for cpus_allowed",
3155 .parent = "cpus_allowed",
3156 .prio = 1,
3157 .posval = {
3158 { .ival = "shared",
3159 .oval = FIO_CPUS_SHARED,
3160 .help = "Mask shared between threads",
3161 },
3162 { .ival = "split",
3163 .oval = FIO_CPUS_SPLIT,
3164 .help = "Mask split between threads",
3165 },
3166 },
3167 .category = FIO_OPT_C_GENERAL,
3168 .group = FIO_OPT_G_CRED,
3169 },
3170#endif
3171#ifdef CONFIG_LIBNUMA
3172 {
3173 .name = "numa_cpu_nodes",
3174 .type = FIO_OPT_STR,
3175 .cb = str_numa_cpunodes_cb,
3176 .off1 = td_var_offset(numa_cpunodes),
3177 .help = "NUMA CPU nodes bind",
3178 .category = FIO_OPT_C_GENERAL,
3179 .group = FIO_OPT_G_INVALID,
3180 },
3181 {
3182 .name = "numa_mem_policy",
3183 .type = FIO_OPT_STR,
3184 .cb = str_numa_mpol_cb,
3185 .off1 = td_var_offset(numa_memnodes),
3186 .help = "NUMA memory policy setup",
3187 .category = FIO_OPT_C_GENERAL,
3188 .group = FIO_OPT_G_INVALID,
3189 },
3190#endif
3191 {
3192 .name = "end_fsync",
3193 .lname = "End fsync",
3194 .type = FIO_OPT_BOOL,
3195 .off1 = td_var_offset(end_fsync),
3196 .help = "Include fsync at the end of job",
3197 .def = "0",
3198 .category = FIO_OPT_C_FILE,
3199 .group = FIO_OPT_G_INVALID,
3200 },
3201 {
3202 .name = "fsync_on_close",
3203 .lname = "Fsync on close",
3204 .type = FIO_OPT_BOOL,
3205 .off1 = td_var_offset(fsync_on_close),
3206 .help = "fsync files on close",
3207 .def = "0",
3208 .category = FIO_OPT_C_FILE,
3209 .group = FIO_OPT_G_INVALID,
3210 },
3211 {
3212 .name = "unlink",
3213 .lname = "Unlink file",
3214 .type = FIO_OPT_BOOL,
3215 .off1 = td_var_offset(unlink),
3216 .help = "Unlink created files after job has completed",
3217 .def = "0",
3218 .category = FIO_OPT_C_FILE,
3219 .group = FIO_OPT_G_INVALID,
3220 },
3221 {
3222 .name = "exitall",
3223 .lname = "Exit-all on terminate",
3224 .type = FIO_OPT_STR_SET,
3225 .cb = str_exitall_cb,
3226 .help = "Terminate all jobs when one exits",
3227 .category = FIO_OPT_C_GENERAL,
3228 .group = FIO_OPT_G_PROCESS,
3229 },
3230 {
3231 .name = "exitall_on_error",
3232 .lname = "Exit-all on terminate in error",
3233 .type = FIO_OPT_BOOL,
3234 .off1 = td_var_offset(unlink),
3235 .help = "Terminate all jobs when one exits in error",
3236 .category = FIO_OPT_C_GENERAL,
3237 .group = FIO_OPT_G_PROCESS,
3238 },
3239 {
3240 .name = "stonewall",
3241 .lname = "Wait for previous",
3242 .alias = "wait_for_previous",
3243 .type = FIO_OPT_STR_SET,
3244 .off1 = td_var_offset(stonewall),
3245 .help = "Insert a hard barrier between this job and previous",
3246 .category = FIO_OPT_C_GENERAL,
3247 .group = FIO_OPT_G_PROCESS,
3248 },
3249 {
3250 .name = "new_group",
3251 .lname = "New group",
3252 .type = FIO_OPT_STR_SET,
3253 .off1 = td_var_offset(new_group),
3254 .help = "Mark the start of a new group (for reporting)",
3255 .category = FIO_OPT_C_GENERAL,
3256 .group = FIO_OPT_G_PROCESS,
3257 },
3258 {
3259 .name = "thread",
3260 .lname = "Thread",
3261 .type = FIO_OPT_STR_SET,
3262 .off1 = td_var_offset(use_thread),
3263 .help = "Use threads instead of processes",
3264#ifdef CONFIG_NO_SHM
3265 .def = "1",
3266 .no_warn_def = 1,
3267#endif
3268 .category = FIO_OPT_C_GENERAL,
3269 .group = FIO_OPT_G_PROCESS,
3270 },
3271 {
3272 .name = "per_job_logs",
3273 .type = FIO_OPT_BOOL,
3274 .off1 = td_var_offset(per_job_logs),
3275 .help = "Include job number in generated log files or not",
3276 .def = "1",
3277 .category = FIO_OPT_C_LOG,
3278 .group = FIO_OPT_G_INVALID,
3279 },
3280 {
3281 .name = "write_bw_log",
3282 .lname = "Write bandwidth log",
3283 .type = FIO_OPT_STR_STORE,
3284 .off1 = td_var_offset(bw_log_file),
3285 .help = "Write log of bandwidth during run",
3286 .category = FIO_OPT_C_LOG,
3287 .group = FIO_OPT_G_INVALID,
3288 },
3289 {
3290 .name = "write_lat_log",
3291 .lname = "Write latency log",
3292 .type = FIO_OPT_STR_STORE,
3293 .off1 = td_var_offset(lat_log_file),
3294 .help = "Write log of latency during run",
3295 .category = FIO_OPT_C_LOG,
3296 .group = FIO_OPT_G_INVALID,
3297 },
3298 {
3299 .name = "write_iops_log",
3300 .lname = "Write IOPS log",
3301 .type = FIO_OPT_STR_STORE,
3302 .off1 = td_var_offset(iops_log_file),
3303 .help = "Write log of IOPS during run",
3304 .category = FIO_OPT_C_LOG,
3305 .group = FIO_OPT_G_INVALID,
3306 },
3307 {
3308 .name = "log_avg_msec",
3309 .lname = "Log averaging (msec)",
3310 .type = FIO_OPT_INT,
3311 .off1 = td_var_offset(log_avg_msec),
3312 .help = "Average bw/iops/lat logs over this period of time",
3313 .def = "0",
3314 .category = FIO_OPT_C_LOG,
3315 .group = FIO_OPT_G_INVALID,
3316 },
3317 {
3318 .name = "log_max_value",
3319 .lname = "Log maximum instead of average",
3320 .type = FIO_OPT_BOOL,
3321 .off1 = td_var_offset(log_max),
3322 .help = "Log max sample in a window instead of average",
3323 .def = "0",
3324 .category = FIO_OPT_C_LOG,
3325 .group = FIO_OPT_G_INVALID,
3326 },
3327 {
3328 .name = "log_offset",
3329 .lname = "Log offset of IO",
3330 .type = FIO_OPT_BOOL,
3331 .off1 = td_var_offset(log_offset),
3332 .help = "Include offset of IO for each log entry",
3333 .def = "0",
3334 .category = FIO_OPT_C_LOG,
3335 .group = FIO_OPT_G_INVALID,
3336 },
3337#ifdef CONFIG_ZLIB
3338 {
3339 .name = "log_compression",
3340 .lname = "Log compression",
3341 .type = FIO_OPT_INT,
3342 .off1 = td_var_offset(log_gz),
3343 .help = "Log in compressed chunks of this size",
3344 .minval = 1024ULL,
3345 .maxval = 512 * 1024 * 1024ULL,
3346 .category = FIO_OPT_C_LOG,
3347 .group = FIO_OPT_G_INVALID,
3348 },
3349#ifdef FIO_HAVE_CPU_AFFINITY
3350 {
3351 .name = "log_compression_cpus",
3352 .lname = "Log Compression CPUs",
3353 .type = FIO_OPT_STR,
3354 .cb = str_log_cpus_allowed_cb,
3355 .off1 = td_var_offset(log_gz_cpumask),
3356 .parent = "log_compression",
3357 .help = "Limit log compression to these CPUs",
3358 .category = FIO_OPT_C_LOG,
3359 .group = FIO_OPT_G_INVALID,
3360 },
3361#endif
3362 {
3363 .name = "log_store_compressed",
3364 .lname = "Log store compressed",
3365 .type = FIO_OPT_BOOL,
3366 .off1 = td_var_offset(log_gz_store),
3367 .help = "Store logs in a compressed format",
3368 .category = FIO_OPT_C_LOG,
3369 .group = FIO_OPT_G_INVALID,
3370 },
3371#endif
3372 {
3373 .name = "block_error_percentiles",
3374 .lname = "Block error percentiles",
3375 .type = FIO_OPT_BOOL,
3376 .off1 = td_var_offset(block_error_hist),
3377 .help = "Record trim block errors and make a histogram",
3378 .def = "0",
3379 .category = FIO_OPT_C_LOG,
3380 .group = FIO_OPT_G_INVALID,
3381 },
3382 {
3383 .name = "bwavgtime",
3384 .lname = "Bandwidth average time",
3385 .type = FIO_OPT_INT,
3386 .off1 = td_var_offset(bw_avg_time),
3387 .help = "Time window over which to calculate bandwidth"
3388 " (msec)",
3389 .def = "500",
3390 .parent = "write_bw_log",
3391 .hide = 1,
3392 .interval = 100,
3393 .category = FIO_OPT_C_LOG,
3394 .group = FIO_OPT_G_INVALID,
3395 },
3396 {
3397 .name = "iopsavgtime",
3398 .lname = "IOPS average time",
3399 .type = FIO_OPT_INT,
3400 .off1 = td_var_offset(iops_avg_time),
3401 .help = "Time window over which to calculate IOPS (msec)",
3402 .def = "500",
3403 .parent = "write_iops_log",
3404 .hide = 1,
3405 .interval = 100,
3406 .category = FIO_OPT_C_LOG,
3407 .group = FIO_OPT_G_INVALID,
3408 },
3409 {
3410 .name = "group_reporting",
3411 .lname = "Group reporting",
3412 .type = FIO_OPT_STR_SET,
3413 .off1 = td_var_offset(group_reporting),
3414 .help = "Do reporting on a per-group basis",
3415 .category = FIO_OPT_C_STAT,
3416 .group = FIO_OPT_G_INVALID,
3417 },
3418 {
3419 .name = "zero_buffers",
3420 .lname = "Zero I/O buffers",
3421 .type = FIO_OPT_STR_SET,
3422 .off1 = td_var_offset(zero_buffers),
3423 .help = "Init IO buffers to all zeroes",
3424 .category = FIO_OPT_C_IO,
3425 .group = FIO_OPT_G_IO_BUF,
3426 },
3427 {
3428 .name = "refill_buffers",
3429 .lname = "Refill I/O buffers",
3430 .type = FIO_OPT_STR_SET,
3431 .off1 = td_var_offset(refill_buffers),
3432 .help = "Refill IO buffers on every IO submit",
3433 .category = FIO_OPT_C_IO,
3434 .group = FIO_OPT_G_IO_BUF,
3435 },
3436 {
3437 .name = "scramble_buffers",
3438 .lname = "Scramble I/O buffers",
3439 .type = FIO_OPT_BOOL,
3440 .off1 = td_var_offset(scramble_buffers),
3441 .help = "Slightly scramble buffers on every IO submit",
3442 .def = "1",
3443 .category = FIO_OPT_C_IO,
3444 .group = FIO_OPT_G_IO_BUF,
3445 },
3446 {
3447 .name = "buffer_pattern",
3448 .lname = "Buffer pattern",
3449 .type = FIO_OPT_STR,
3450 .cb = str_buffer_pattern_cb,
3451 .off1 = td_var_offset(buffer_pattern),
3452 .help = "Fill pattern for IO buffers",
3453 .category = FIO_OPT_C_IO,
3454 .group = FIO_OPT_G_IO_BUF,
3455 },
3456 {
3457 .name = "buffer_compress_percentage",
3458 .lname = "Buffer compression percentage",
3459 .type = FIO_OPT_INT,
3460 .cb = str_buffer_compress_cb,
3461 .off1 = td_var_offset(compress_percentage),
3462 .maxval = 100,
3463 .minval = 0,
3464 .help = "How compressible the buffer is (approximately)",
3465 .interval = 5,
3466 .category = FIO_OPT_C_IO,
3467 .group = FIO_OPT_G_IO_BUF,
3468 },
3469 {
3470 .name = "buffer_compress_chunk",
3471 .lname = "Buffer compression chunk size",
3472 .type = FIO_OPT_INT,
3473 .off1 = td_var_offset(compress_chunk),
3474 .parent = "buffer_compress_percentage",
3475 .hide = 1,
3476 .help = "Size of compressible region in buffer",
3477 .interval = 256,
3478 .category = FIO_OPT_C_IO,
3479 .group = FIO_OPT_G_IO_BUF,
3480 },
3481 {
3482 .name = "dedupe_percentage",
3483 .lname = "Dedupe percentage",
3484 .type = FIO_OPT_INT,
3485 .cb = str_dedupe_cb,
3486 .off1 = td_var_offset(dedupe_percentage),
3487 .maxval = 100,
3488 .minval = 0,
3489 .help = "Percentage of buffers that are dedupable",
3490 .interval = 1,
3491 .category = FIO_OPT_C_IO,
3492 .group = FIO_OPT_G_IO_BUF,
3493 },
3494 {
3495 .name = "clat_percentiles",
3496 .lname = "Completion latency percentiles",
3497 .type = FIO_OPT_BOOL,
3498 .off1 = td_var_offset(clat_percentiles),
3499 .help = "Enable the reporting of completion latency percentiles",
3500 .def = "1",
3501 .category = FIO_OPT_C_STAT,
3502 .group = FIO_OPT_G_INVALID,
3503 },
3504 {
3505 .name = "percentile_list",
3506 .lname = "Percentile list",
3507 .type = FIO_OPT_FLOAT_LIST,
3508 .off1 = td_var_offset(percentile_list),
3509 .off2 = td_var_offset(percentile_precision),
3510 .help = "Specify a custom list of percentiles to report for "
3511 "completion latency and block errors",
3512 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
3513 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3514 .minfp = 0.0,
3515 .maxfp = 100.0,
3516 .category = FIO_OPT_C_STAT,
3517 .group = FIO_OPT_G_INVALID,
3518 },
3519
3520#ifdef FIO_HAVE_DISK_UTIL
3521 {
3522 .name = "disk_util",
3523 .lname = "Disk utilization",
3524 .type = FIO_OPT_BOOL,
3525 .off1 = td_var_offset(do_disk_util),
3526 .help = "Log disk utilization statistics",
3527 .def = "1",
3528 .category = FIO_OPT_C_STAT,
3529 .group = FIO_OPT_G_INVALID,
3530 },
3531#endif
3532 {
3533 .name = "gtod_reduce",
3534 .lname = "Reduce gettimeofday() calls",
3535 .type = FIO_OPT_BOOL,
3536 .help = "Greatly reduce number of gettimeofday() calls",
3537 .cb = str_gtod_reduce_cb,
3538 .def = "0",
3539 .hide_on_set = 1,
3540 .category = FIO_OPT_C_STAT,
3541 .group = FIO_OPT_G_INVALID,
3542 },
3543 {
3544 .name = "disable_lat",
3545 .lname = "Disable all latency stats",
3546 .type = FIO_OPT_BOOL,
3547 .off1 = td_var_offset(disable_lat),
3548 .help = "Disable latency numbers",
3549 .parent = "gtod_reduce",
3550 .hide = 1,
3551 .def = "0",
3552 .category = FIO_OPT_C_STAT,
3553 .group = FIO_OPT_G_INVALID,
3554 },
3555 {
3556 .name = "disable_clat",
3557 .lname = "Disable completion latency stats",
3558 .type = FIO_OPT_BOOL,
3559 .off1 = td_var_offset(disable_clat),
3560 .help = "Disable completion latency numbers",
3561 .parent = "gtod_reduce",
3562 .hide = 1,
3563 .def = "0",
3564 .category = FIO_OPT_C_STAT,
3565 .group = FIO_OPT_G_INVALID,
3566 },
3567 {
3568 .name = "disable_slat",
3569 .lname = "Disable submission latency stats",
3570 .type = FIO_OPT_BOOL,
3571 .off1 = td_var_offset(disable_slat),
3572 .help = "Disable submission latency numbers",
3573 .parent = "gtod_reduce",
3574 .hide = 1,
3575 .def = "0",
3576 .category = FIO_OPT_C_STAT,
3577 .group = FIO_OPT_G_INVALID,
3578 },
3579 {
3580 .name = "disable_bw_measurement",
3581 .lname = "Disable bandwidth stats",
3582 .type = FIO_OPT_BOOL,
3583 .off1 = td_var_offset(disable_bw),
3584 .help = "Disable bandwidth logging",
3585 .parent = "gtod_reduce",
3586 .hide = 1,
3587 .def = "0",
3588 .category = FIO_OPT_C_STAT,
3589 .group = FIO_OPT_G_INVALID,
3590 },
3591 {
3592 .name = "gtod_cpu",
3593 .lname = "Dedicated gettimeofday() CPU",
3594 .type = FIO_OPT_INT,
3595 .off1 = td_var_offset(gtod_cpu),
3596 .help = "Set up dedicated gettimeofday() thread on this CPU",
3597 .verify = gtod_cpu_verify,
3598 .category = FIO_OPT_C_GENERAL,
3599 .group = FIO_OPT_G_CLOCK,
3600 },
3601 {
3602 .name = "unified_rw_reporting",
3603 .type = FIO_OPT_BOOL,
3604 .off1 = td_var_offset(unified_rw_rep),
3605 .help = "Unify reporting across data direction",
3606 .def = "0",
3607 .category = FIO_OPT_C_GENERAL,
3608 .group = FIO_OPT_G_INVALID,
3609 },
3610 {
3611 .name = "continue_on_error",
3612 .lname = "Continue on error",
3613 .type = FIO_OPT_STR,
3614 .off1 = td_var_offset(continue_on_error),
3615 .help = "Continue on non-fatal errors during IO",
3616 .def = "none",
3617 .category = FIO_OPT_C_GENERAL,
3618 .group = FIO_OPT_G_ERR,
3619 .posval = {
3620 { .ival = "none",
3621 .oval = ERROR_TYPE_NONE,
3622 .help = "Exit when an error is encountered",
3623 },
3624 { .ival = "read",
3625 .oval = ERROR_TYPE_READ,
3626 .help = "Continue on read errors only",
3627 },
3628 { .ival = "write",
3629 .oval = ERROR_TYPE_WRITE,
3630 .help = "Continue on write errors only",
3631 },
3632 { .ival = "io",
3633 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3634 .help = "Continue on any IO errors",
3635 },
3636 { .ival = "verify",
3637 .oval = ERROR_TYPE_VERIFY,
3638 .help = "Continue on verify errors only",
3639 },
3640 { .ival = "all",
3641 .oval = ERROR_TYPE_ANY,
3642 .help = "Continue on all io and verify errors",
3643 },
3644 { .ival = "0",
3645 .oval = ERROR_TYPE_NONE,
3646 .help = "Alias for 'none'",
3647 },
3648 { .ival = "1",
3649 .oval = ERROR_TYPE_ANY,
3650 .help = "Alias for 'all'",
3651 },
3652 },
3653 },
3654 {
3655 .name = "ignore_error",
3656 .type = FIO_OPT_STR,
3657 .cb = str_ignore_error_cb,
3658 .off1 = td_var_offset(ignore_error_nr),
3659 .help = "Set a specific list of errors to ignore",
3660 .parent = "rw",
3661 .category = FIO_OPT_C_GENERAL,
3662 .group = FIO_OPT_G_ERR,
3663 },
3664 {
3665 .name = "error_dump",
3666 .type = FIO_OPT_BOOL,
3667 .off1 = td_var_offset(error_dump),
3668 .def = "0",
3669 .help = "Dump info on each error",
3670 .category = FIO_OPT_C_GENERAL,
3671 .group = FIO_OPT_G_ERR,
3672 },
3673 {
3674 .name = "profile",
3675 .lname = "Profile",
3676 .type = FIO_OPT_STR_STORE,
3677 .off1 = td_var_offset(profile),
3678 .help = "Select a specific builtin performance test",
3679 .category = FIO_OPT_C_PROFILE,
3680 .group = FIO_OPT_G_INVALID,
3681 },
3682 {
3683 .name = "cgroup",
3684 .lname = "Cgroup",
3685 .type = FIO_OPT_STR_STORE,
3686 .off1 = td_var_offset(cgroup),
3687 .help = "Add job to cgroup of this name",
3688 .category = FIO_OPT_C_GENERAL,
3689 .group = FIO_OPT_G_CGROUP,
3690 },
3691 {
3692 .name = "cgroup_nodelete",
3693 .lname = "Cgroup no-delete",
3694 .type = FIO_OPT_BOOL,
3695 .off1 = td_var_offset(cgroup_nodelete),
3696 .help = "Do not delete cgroups after job completion",
3697 .def = "0",
3698 .parent = "cgroup",
3699 .category = FIO_OPT_C_GENERAL,
3700 .group = FIO_OPT_G_CGROUP,
3701 },
3702 {
3703 .name = "cgroup_weight",
3704 .lname = "Cgroup weight",
3705 .type = FIO_OPT_INT,
3706 .off1 = td_var_offset(cgroup_weight),
3707 .help = "Use given weight for cgroup",
3708 .minval = 100,
3709 .maxval = 1000,
3710 .parent = "cgroup",
3711 .category = FIO_OPT_C_GENERAL,
3712 .group = FIO_OPT_G_CGROUP,
3713 },
3714 {
3715 .name = "uid",
3716 .lname = "User ID",
3717 .type = FIO_OPT_INT,
3718 .off1 = td_var_offset(uid),
3719 .help = "Run job with this user ID",
3720 .category = FIO_OPT_C_GENERAL,
3721 .group = FIO_OPT_G_CRED,
3722 },
3723 {
3724 .name = "gid",
3725 .lname = "Group ID",
3726 .type = FIO_OPT_INT,
3727 .off1 = td_var_offset(gid),
3728 .help = "Run job with this group ID",
3729 .category = FIO_OPT_C_GENERAL,
3730 .group = FIO_OPT_G_CRED,
3731 },
3732 {
3733 .name = "kb_base",
3734 .lname = "KB Base",
3735 .type = FIO_OPT_INT,
3736 .off1 = td_var_offset(kb_base),
3737 .prio = 1,
3738 .def = "1024",
3739 .posval = {
3740 { .ival = "1024",
3741 .oval = 1024,
3742 .help = "Use 1024 as the K base",
3743 },
3744 { .ival = "1000",
3745 .oval = 1000,
3746 .help = "Use 1000 as the K base",
3747 },
3748 },
3749 .help = "How many bytes per KB for reporting (1000 or 1024)",
3750 .category = FIO_OPT_C_GENERAL,
3751 .group = FIO_OPT_G_INVALID,
3752 },
3753 {
3754 .name = "unit_base",
3755 .lname = "Base unit for reporting (Bits or Bytes)",
3756 .type = FIO_OPT_INT,
3757 .off1 = td_var_offset(unit_base),
3758 .prio = 1,
3759 .posval = {
3760 { .ival = "0",
3761 .oval = 0,
3762 .help = "Auto-detect",
3763 },
3764 { .ival = "8",
3765 .oval = 8,
3766 .help = "Normal (byte based)",
3767 },
3768 { .ival = "1",
3769 .oval = 1,
3770 .help = "Bit based",
3771 },
3772 },
3773 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3774 .category = FIO_OPT_C_GENERAL,
3775 .group = FIO_OPT_G_INVALID,
3776 },
3777 {
3778 .name = "hugepage-size",
3779 .lname = "Hugepage size",
3780 .type = FIO_OPT_INT,
3781 .off1 = td_var_offset(hugepage_size),
3782 .help = "When using hugepages, specify size of each page",
3783 .def = __fio_stringify(FIO_HUGE_PAGE),
3784 .interval = 1024 * 1024,
3785 .category = FIO_OPT_C_GENERAL,
3786 .group = FIO_OPT_G_INVALID,
3787 },
3788 {
3789 .name = "flow_id",
3790 .lname = "I/O flow ID",
3791 .type = FIO_OPT_INT,
3792 .off1 = td_var_offset(flow_id),
3793 .help = "The flow index ID to use",
3794 .def = "0",
3795 .category = FIO_OPT_C_IO,
3796 .group = FIO_OPT_G_IO_FLOW,
3797 },
3798 {
3799 .name = "flow",
3800 .lname = "I/O flow weight",
3801 .type = FIO_OPT_INT,
3802 .off1 = td_var_offset(flow),
3803 .help = "Weight for flow control of this job",
3804 .parent = "flow_id",
3805 .hide = 1,
3806 .def = "0",
3807 .category = FIO_OPT_C_IO,
3808 .group = FIO_OPT_G_IO_FLOW,
3809 },
3810 {
3811 .name = "flow_watermark",
3812 .lname = "I/O flow watermark",
3813 .type = FIO_OPT_INT,
3814 .off1 = td_var_offset(flow_watermark),
3815 .help = "High watermark for flow control. This option"
3816 " should be set to the same value for all threads"
3817 " with non-zero flow.",
3818 .parent = "flow_id",
3819 .hide = 1,
3820 .def = "1024",
3821 .category = FIO_OPT_C_IO,
3822 .group = FIO_OPT_G_IO_FLOW,
3823 },
3824 {
3825 .name = "flow_sleep",
3826 .lname = "I/O flow sleep",
3827 .type = FIO_OPT_INT,
3828 .off1 = td_var_offset(flow_sleep),
3829 .help = "How many microseconds to sleep after being held"
3830 " back by the flow control mechanism",
3831 .parent = "flow_id",
3832 .hide = 1,
3833 .def = "0",
3834 .category = FIO_OPT_C_IO,
3835 .group = FIO_OPT_G_IO_FLOW,
3836 },
3837 {
3838 .name = "skip_bad",
3839 .lname = "Skip operations against bad blocks",
3840 .type = FIO_OPT_BOOL,
3841 .off1 = td_var_offset(skip_bad),
3842 .help = "Skip operations against known bad blocks.",
3843 .hide = 1,
3844 .def = "0",
3845 .category = FIO_OPT_C_IO,
3846 .group = FIO_OPT_G_MTD,
3847 },
3848 {
3849 .name = NULL,
3850 },
3851};
3852
3853static void add_to_lopt(struct option *lopt, struct fio_option *o,
3854 const char *name, int val)
3855{
3856 lopt->name = (char *) name;
3857 lopt->val = val;
3858 if (o->type == FIO_OPT_STR_SET)
3859 lopt->has_arg = optional_argument;
3860 else
3861 lopt->has_arg = required_argument;
3862}
3863
3864static void options_to_lopts(struct fio_option *opts,
3865 struct option *long_options,
3866 int i, int option_type)
3867{
3868 struct fio_option *o = &opts[0];
3869 while (o->name) {
3870 add_to_lopt(&long_options[i], o, o->name, option_type);
3871 if (o->alias) {
3872 i++;
3873 add_to_lopt(&long_options[i], o, o->alias, option_type);
3874 }
3875
3876 i++;
3877 o++;
3878 assert(i < FIO_NR_OPTIONS);
3879 }
3880}
3881
3882void fio_options_set_ioengine_opts(struct option *long_options,
3883 struct thread_data *td)
3884{
3885 unsigned int i;
3886
3887 i = 0;
3888 while (long_options[i].name) {
3889 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3890 memset(&long_options[i], 0, sizeof(*long_options));
3891 break;
3892 }
3893 i++;
3894 }
3895
3896 /*
3897 * Just clear out the prior ioengine options.
3898 */
3899 if (!td || !td->eo)
3900 return;
3901
3902 options_to_lopts(td->io_ops->options, long_options, i,
3903 FIO_GETOPT_IOENGINE);
3904}
3905
3906void fio_options_dup_and_init(struct option *long_options)
3907{
3908 unsigned int i;
3909
3910 options_init(fio_options);
3911
3912 i = 0;
3913 while (long_options[i].name)
3914 i++;
3915
3916 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
3917}
3918
3919struct fio_keyword {
3920 const char *word;
3921 const char *desc;
3922 char *replace;
3923};
3924
3925static struct fio_keyword fio_keywords[] = {
3926 {
3927 .word = "$pagesize",
3928 .desc = "Page size in the system",
3929 },
3930 {
3931 .word = "$mb_memory",
3932 .desc = "Megabytes of memory online",
3933 },
3934 {
3935 .word = "$ncpus",
3936 .desc = "Number of CPUs online in the system",
3937 },
3938 {
3939 .word = NULL,
3940 },
3941};
3942
3943void fio_keywords_exit(void)
3944{
3945 struct fio_keyword *kw;
3946
3947 kw = &fio_keywords[0];
3948 while (kw->word) {
3949 free(kw->replace);
3950 kw->replace = NULL;
3951 kw++;
3952 }
3953}
3954
3955void fio_keywords_init(void)
3956{
3957 unsigned long long mb_memory;
3958 char buf[128];
3959 long l;
3960
3961 sprintf(buf, "%lu", (unsigned long) page_size);
3962 fio_keywords[0].replace = strdup(buf);
3963
3964 mb_memory = os_phys_mem() / (1024 * 1024);
3965 sprintf(buf, "%llu", mb_memory);
3966 fio_keywords[1].replace = strdup(buf);
3967
3968 l = cpus_online();
3969 sprintf(buf, "%lu", l);
3970 fio_keywords[2].replace = strdup(buf);
3971}
3972
3973#define BC_APP "bc"
3974
3975static char *bc_calc(char *str)
3976{
3977 char buf[128], *tmp;
3978 FILE *f;
3979 int ret;
3980
3981 /*
3982 * No math, just return string
3983 */
3984 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3985 !strchr(str, '/')) || strchr(str, '\''))
3986 return str;
3987
3988 /*
3989 * Split option from value, we only need to calculate the value
3990 */
3991 tmp = strchr(str, '=');
3992 if (!tmp)
3993 return str;
3994
3995 tmp++;
3996
3997 /*
3998 * Prevent buffer overflows; such a case isn't reasonable anyway
3999 */
4000 if (strlen(str) >= 128 || strlen(tmp) > 100)
4001 return str;
4002
4003 sprintf(buf, "which %s > /dev/null", BC_APP);
4004 if (system(buf)) {
4005 log_err("fio: bc is needed for performing math\n");
4006 return NULL;
4007 }
4008
4009 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
4010 f = popen(buf, "r");
4011 if (!f)
4012 return NULL;
4013
4014 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
4015 if (ret <= 0) {
4016 pclose(f);
4017 return NULL;
4018 }
4019
4020 pclose(f);
4021 buf[(tmp - str) + ret - 1] = '\0';
4022 memcpy(buf, str, tmp - str);
4023 free(str);
4024 return strdup(buf);
4025}
4026
4027/*
4028 * Return a copy of the input string with substrings of the form ${VARNAME}
4029 * substituted with the value of the environment variable VARNAME. The
4030 * substitution always occurs, even if VARNAME is empty or the corresponding
4031 * environment variable undefined.
4032 */
4033static char *option_dup_subs(const char *opt)
4034{
4035 char out[OPT_LEN_MAX+1];
4036 char in[OPT_LEN_MAX+1];
4037 char *outptr = out;
4038 char *inptr = in;
4039 char *ch1, *ch2, *env;
4040 ssize_t nchr = OPT_LEN_MAX;
4041 size_t envlen;
4042
4043 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4044 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4045 return NULL;
4046 }
4047
4048 in[OPT_LEN_MAX] = '\0';
4049 strncpy(in, opt, OPT_LEN_MAX);
4050
4051 while (*inptr && nchr > 0) {
4052 if (inptr[0] == '$' && inptr[1] == '{') {
4053 ch2 = strchr(inptr, '}');
4054 if (ch2 && inptr+1 < ch2) {
4055 ch1 = inptr+2;
4056 inptr = ch2+1;
4057 *ch2 = '\0';
4058
4059 env = getenv(ch1);
4060 if (env) {
4061 envlen = strlen(env);
4062 if (envlen <= nchr) {
4063 memcpy(outptr, env, envlen);
4064 outptr += envlen;
4065 nchr -= envlen;
4066 }
4067 }
4068
4069 continue;
4070 }
4071 }
4072
4073 *outptr++ = *inptr++;
4074 --nchr;
4075 }
4076
4077 *outptr = '\0';
4078 return strdup(out);
4079}
4080
4081/*
4082 * Look for reserved variable names and replace them with real values
4083 */
4084static char *fio_keyword_replace(char *opt)
4085{
4086 char *s;
4087 int i;
4088 int docalc = 0;
4089
4090 for (i = 0; fio_keywords[i].word != NULL; i++) {
4091 struct fio_keyword *kw = &fio_keywords[i];
4092
4093 while ((s = strstr(opt, kw->word)) != NULL) {
4094 char *new = malloc(strlen(opt) + 1);
4095 char *o_org = opt;
4096 int olen = s - opt;
4097 int len;
4098
4099 /*
4100 * Copy part of the string before the keyword and
4101 * sprintf() the replacement after it.
4102 */
4103 memcpy(new, opt, olen);
4104 len = sprintf(new + olen, "%s", kw->replace);
4105
4106 /*
4107 * If there's more in the original string, copy that
4108 * in too
4109 */
4110 opt += strlen(kw->word) + olen;
4111 if (strlen(opt))
4112 memcpy(new + olen + len, opt, opt - o_org - 1);
4113
4114 /*
4115 * replace opt and free the old opt
4116 */
4117 opt = new;
4118 free(o_org);
4119
4120 docalc = 1;
4121 }
4122 }
4123
4124 /*
4125 * Check for potential math and invoke bc, if possible
4126 */
4127 if (docalc)
4128 opt = bc_calc(opt);
4129
4130 return opt;
4131}
4132
4133static char **dup_and_sub_options(char **opts, int num_opts)
4134{
4135 int i;
4136 char **opts_copy = malloc(num_opts * sizeof(*opts));
4137 for (i = 0; i < num_opts; i++) {
4138 opts_copy[i] = option_dup_subs(opts[i]);
4139 if (!opts_copy[i])
4140 continue;
4141 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4142 }
4143 return opts_copy;
4144}
4145
4146static void show_closest_option(const char *opt)
4147{
4148 int best_option, best_distance;
4149 int i, distance;
4150 char *name;
4151
4152 if (!strlen(opt))
4153 return;
4154
4155 name = strdup(opt);
4156 i = 0;
4157 while (name[i] != '\0' && name[i] != '=')
4158 i++;
4159 name[i] = '\0';
4160
4161 best_option = -1;
4162 best_distance = INT_MAX;
4163 i = 0;
4164 while (fio_options[i].name) {
4165 distance = string_distance(name, fio_options[i].name);
4166 if (distance < best_distance) {
4167 best_distance = distance;
4168 best_option = i;
4169 }
4170 i++;
4171 }
4172
4173 if (best_option != -1 && string_distance_ok(name, best_distance))
4174 log_err("Did you mean %s?\n", fio_options[best_option].name);
4175
4176 free(name);
4177}
4178
4179int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
4180{
4181 int i, ret, unknown;
4182 char **opts_copy;
4183
4184 sort_options(opts, fio_options, num_opts);
4185 opts_copy = dup_and_sub_options(opts, num_opts);
4186
4187 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4188 struct fio_option *o;
4189 int newret = parse_option(opts_copy[i], opts[i], fio_options,
4190 &o, td, &td->opt_list);
4191
4192 if (!newret && o)
4193 fio_option_mark_set(&td->o, o);
4194
4195 if (opts_copy[i]) {
4196 if (newret && !o) {
4197 unknown++;
4198 continue;
4199 }
4200 free(opts_copy[i]);
4201 opts_copy[i] = NULL;
4202 }
4203
4204 ret |= newret;
4205 }
4206
4207 if (unknown) {
4208 ret |= ioengine_load(td);
4209 if (td->eo) {
4210 sort_options(opts_copy, td->io_ops->options, num_opts);
4211 opts = opts_copy;
4212 }
4213 for (i = 0; i < num_opts; i++) {
4214 struct fio_option *o = NULL;
4215 int newret = 1;
4216
4217 if (!opts_copy[i])
4218 continue;
4219
4220 if (td->eo)
4221 newret = parse_option(opts_copy[i], opts[i],
4222 td->io_ops->options, &o,
4223 td->eo, &td->opt_list);
4224
4225 ret |= newret;
4226 if (!o) {
4227 log_err("Bad option <%s>\n", opts[i]);
4228 show_closest_option(opts[i]);
4229 }
4230 free(opts_copy[i]);
4231 opts_copy[i] = NULL;
4232 }
4233 }
4234
4235 free(opts_copy);
4236 return ret;
4237}
4238
4239int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4240{
4241 int ret;
4242
4243 ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list);
4244 if (!ret) {
4245 struct fio_option *o;
4246
4247 o = find_option(fio_options, opt);
4248 if (o)
4249 fio_option_mark_set(&td->o, o);
4250 }
4251
4252 return ret;
4253}
4254
4255int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4256 char *val)
4257{
4258 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4259 &td->opt_list);
4260}
4261
4262void fio_fill_default_options(struct thread_data *td)
4263{
4264 td->o.magic = OPT_MAGIC;
4265 fill_default_options(td, fio_options);
4266}
4267
4268int fio_show_option_help(const char *opt)
4269{
4270 return show_cmd_help(fio_options, opt);
4271}
4272
4273void options_mem_dupe(void *data, struct fio_option *options)
4274{
4275 struct fio_option *o;
4276 char **ptr;
4277
4278 for (o = &options[0]; o->name; o++) {
4279 if (o->type != FIO_OPT_STR_STORE)
4280 continue;
4281
4282 ptr = td_var(data, o, o->off1);
4283 if (*ptr)
4284 *ptr = strdup(*ptr);
4285 }
4286}
4287
4288/*
4289 * dupe FIO_OPT_STR_STORE options
4290 */
4291void fio_options_mem_dupe(struct thread_data *td)
4292{
4293 options_mem_dupe(&td->o, fio_options);
4294
4295 if (td->eo && td->io_ops) {
4296 void *oldeo = td->eo;
4297
4298 td->eo = malloc(td->io_ops->option_struct_size);
4299 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4300 options_mem_dupe(td->eo, td->io_ops->options);
4301 }
4302}
4303
4304unsigned int fio_get_kb_base(void *data)
4305{
4306 struct thread_options *o = data;
4307 unsigned int kb_base = 0;
4308
4309 /*
4310 * This is a hack... For private options, *data is not holding
4311 * a pointer to the thread_options, but to private data. This means
4312 * we can't safely dereference it, but magic is first so mem wise
4313 * it is valid. But this also means that if the job first sets
4314 * kb_base and expects that to be honored by private options,
4315 * it will be disappointed. We will return the global default
4316 * for this.
4317 */
4318 if (o && o->magic == OPT_MAGIC)
4319 kb_base = o->kb_base;
4320 if (!kb_base)
4321 kb_base = 1024;
4322
4323 return kb_base;
4324}
4325
4326int add_option(struct fio_option *o)
4327{
4328 struct fio_option *__o;
4329 int opt_index = 0;
4330
4331 __o = fio_options;
4332 while (__o->name) {
4333 opt_index++;
4334 __o++;
4335 }
4336
4337 if (opt_index + 1 == FIO_MAX_OPTS) {
4338 log_err("fio: FIO_MAX_OPTS is too small\n");
4339 return 1;
4340 }
4341
4342 memcpy(&fio_options[opt_index], o, sizeof(*o));
4343 fio_options[opt_index + 1].name = NULL;
4344 return 0;
4345}
4346
4347void invalidate_profile_options(const char *prof_name)
4348{
4349 struct fio_option *o;
4350
4351 o = fio_options;
4352 while (o->name) {
4353 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4354 o->type = FIO_OPT_INVALID;
4355 o->prof_name = NULL;
4356 }
4357 o++;
4358 }
4359}
4360
4361void add_opt_posval(const char *optname, const char *ival, const char *help)
4362{
4363 struct fio_option *o;
4364 unsigned int i;
4365
4366 o = find_option(fio_options, optname);
4367 if (!o)
4368 return;
4369
4370 for (i = 0; i < PARSE_MAX_VP; i++) {
4371 if (o->posval[i].ival)
4372 continue;
4373
4374 o->posval[i].ival = ival;
4375 o->posval[i].help = help;
4376 break;
4377 }
4378}
4379
4380void del_opt_posval(const char *optname, const char *ival)
4381{
4382 struct fio_option *o;
4383 unsigned int i;
4384
4385 o = find_option(fio_options, optname);
4386 if (!o)
4387 return;
4388
4389 for (i = 0; i < PARSE_MAX_VP; i++) {
4390 if (!o->posval[i].ival)
4391 continue;
4392 if (strcmp(o->posval[i].ival, ival))
4393 continue;
4394
4395 o->posval[i].ival = NULL;
4396 o->posval[i].help = NULL;
4397 }
4398}
4399
4400void fio_options_free(struct thread_data *td)
4401{
4402 options_free(fio_options, td);
4403 if (td->eo && td->io_ops && td->io_ops->options) {
4404 options_free(td->io_ops->options, td->eo);
4405 free(td->eo);
4406 td->eo = NULL;
4407 }
4408}
4409
4410struct fio_option *fio_option_find(const char *name)
4411{
4412 return find_option(fio_options, name);
4413}
4414
4415static struct fio_option *find_next_opt(struct thread_options *o,
4416 struct fio_option *from,
4417 unsigned int off1)
4418{
4419 struct fio_option *opt;
4420
4421 if (!from)
4422 from = &fio_options[0];
4423 else
4424 from++;
4425
4426 opt = NULL;
4427 do {
4428 if (off1 == from->off1) {
4429 opt = from;
4430 break;
4431 }
4432 from++;
4433 } while (from->name);
4434
4435 return opt;
4436}
4437
4438static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4439{
4440 unsigned int opt_off, index, offset;
4441
4442 opt_off = opt - &fio_options[0];
4443 index = opt_off / (8 * sizeof(uint64_t));
4444 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4445 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
4446}
4447
4448bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
4449{
4450 struct fio_option *opt, *next;
4451
4452 next = NULL;
4453 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4454 if (opt_is_set(o, opt))
4455 return true;
4456
4457 next = opt;
4458 }
4459
4460 return false;
4461}
4462
4463void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4464{
4465 unsigned int opt_off, index, offset;
4466
4467 opt_off = opt - &fio_options[0];
4468 index = opt_off / (8 * sizeof(uint64_t));
4469 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4470 o->set_options[index] |= (uint64_t)1 << offset;
4471}
fio - Flexible IO Tester