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lib/rand: make __init_randX() static
[fio.git] / options.c
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
6#include <assert.h>
7#include <libgen.h>
8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
11#include <netinet/in.h>
12
13#include "fio.h"
14#include "verify.h"
15#include "parse.h"
16#include "lib/fls.h"
17#include "lib/pattern.h"
18#include "options.h"
19#include "optgroup.h"
20
21char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
22
23/*
24 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
25 */
26static char *get_opt_postfix(const char *str)
27{
28 char *p = strstr(str, ":");
29
30 if (!p)
31 return NULL;
32
33 p++;
34 strip_blank_front(&p);
35 strip_blank_end(p);
36 return strdup(p);
37}
38
39static int bs_cmp(const void *p1, const void *p2)
40{
41 const struct bssplit *bsp1 = p1;
42 const struct bssplit *bsp2 = p2;
43
44 return (int) bsp1->perc - (int) bsp2->perc;
45}
46
47struct split {
48 unsigned int nr;
49 unsigned int val1[100];
50 unsigned int val2[100];
51};
52
53static int split_parse_ddir(struct thread_options *o, struct split *split,
54 enum fio_ddir ddir, char *str)
55{
56 unsigned int i, perc;
57 long long val;
58 char *fname;
59
60 split->nr = 0;
61
62 i = 0;
63 while ((fname = strsep(&str, ":")) != NULL) {
64 char *perc_str;
65
66 if (!strlen(fname))
67 break;
68
69 perc_str = strstr(fname, "/");
70 if (perc_str) {
71 *perc_str = '\0';
72 perc_str++;
73 perc = atoi(perc_str);
74 if (perc > 100)
75 perc = 100;
76 else if (!perc)
77 perc = -1U;
78 } else
79 perc = -1U;
80
81 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
82 log_err("fio: bssplit conversion failed\n");
83 return 1;
84 }
85
86 split->val1[i] = val;
87 split->val2[i] = perc;
88 i++;
89 if (i == 100)
90 break;
91 }
92
93 split->nr = i;
94 return 0;
95}
96
97static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
98{
99 unsigned int i, perc, perc_missing;
100 unsigned int max_bs, min_bs;
101 struct split split;
102
103 memset(&split, 0, sizeof(split));
104
105 if (split_parse_ddir(o, &split, ddir, str))
106 return 1;
107 if (!split.nr)
108 return 0;
109
110 max_bs = 0;
111 min_bs = -1;
112 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
113 o->bssplit_nr[ddir] = split.nr;
114 for (i = 0; i < split.nr; i++) {
115 if (split.val1[i] > max_bs)
116 max_bs = split.val1[i];
117 if (split.val1[i] < min_bs)
118 min_bs = split.val1[i];
119
120 o->bssplit[ddir][i].bs = split.val1[i];
121 o->bssplit[ddir][i].perc =split.val2[i];
122 }
123
124 /*
125 * Now check if the percentages add up, and how much is missing
126 */
127 perc = perc_missing = 0;
128 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
129 struct bssplit *bsp = &o->bssplit[ddir][i];
130
131 if (bsp->perc == -1U)
132 perc_missing++;
133 else
134 perc += bsp->perc;
135 }
136
137 if (perc > 100 && perc_missing > 1) {
138 log_err("fio: bssplit percentages add to more than 100%%\n");
139 free(o->bssplit[ddir]);
140 o->bssplit[ddir] = NULL;
141 return 1;
142 }
143
144 /*
145 * If values didn't have a percentage set, divide the remains between
146 * them.
147 */
148 if (perc_missing) {
149 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
150 perc = 100;
151 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
152 struct bssplit *bsp = &o->bssplit[ddir][i];
153
154 if (bsp->perc == -1U)
155 bsp->perc = (100 - perc) / perc_missing;
156 }
157 }
158
159 o->min_bs[ddir] = min_bs;
160 o->max_bs[ddir] = max_bs;
161
162 /*
163 * now sort based on percentages, for ease of lookup
164 */
165 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
166 return 0;
167}
168
169typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *);
170
171static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn)
172{
173 char *odir, *ddir;
174 int ret = 0;
175
176 odir = strchr(str, ',');
177 if (odir) {
178 ddir = strchr(odir + 1, ',');
179 if (ddir) {
180 ret = fn(&td->o, DDIR_TRIM, ddir + 1);
181 if (!ret)
182 *ddir = '\0';
183 } else {
184 char *op;
185
186 op = strdup(odir + 1);
187 ret = fn(&td->o, DDIR_TRIM, op);
188
189 free(op);
190 }
191 if (!ret)
192 ret = fn(&td->o, DDIR_WRITE, odir + 1);
193 if (!ret) {
194 *odir = '\0';
195 ret = fn(&td->o, DDIR_READ, str);
196 }
197 } else {
198 char *op;
199
200 op = strdup(str);
201 ret = fn(&td->o, DDIR_WRITE, op);
202 free(op);
203
204 if (!ret) {
205 op = strdup(str);
206 ret = fn(&td->o, DDIR_TRIM, op);
207 free(op);
208 }
209 if (!ret)
210 ret = fn(&td->o, DDIR_READ, str);
211 }
212
213 return ret;
214}
215
216static int str_bssplit_cb(void *data, const char *input)
217{
218 struct thread_data *td = data;
219 char *str, *p;
220 int ret = 0;
221
222 p = str = strdup(input);
223
224 strip_blank_front(&str);
225 strip_blank_end(str);
226
227 ret = str_split_parse(td, str, bssplit_ddir);
228
229 if (parse_dryrun()) {
230 int i;
231
232 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
233 free(td->o.bssplit[i]);
234 td->o.bssplit[i] = NULL;
235 td->o.bssplit_nr[i] = 0;
236 }
237 }
238
239 free(p);
240 return ret;
241}
242
243static int str2error(char *str)
244{
245 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
246 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
247 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
248 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
249 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
250 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
251 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
252 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
253 int i = 0, num = sizeof(err) / sizeof(void *);
254
255 while (i < num) {
256 if (!strcmp(err[i], str))
257 return i + 1;
258 i++;
259 }
260 return 0;
261}
262
263static int ignore_error_type(struct thread_data *td, int etype, char *str)
264{
265 unsigned int i;
266 int *error;
267 char *fname;
268
269 if (etype >= ERROR_TYPE_CNT) {
270 log_err("Illegal error type\n");
271 return 1;
272 }
273
274 td->o.ignore_error_nr[etype] = 4;
275 error = malloc(4 * sizeof(struct bssplit));
276
277 i = 0;
278 while ((fname = strsep(&str, ":")) != NULL) {
279
280 if (!strlen(fname))
281 break;
282
283 /*
284 * grow struct buffer, if needed
285 */
286 if (i == td->o.ignore_error_nr[etype]) {
287 td->o.ignore_error_nr[etype] <<= 1;
288 error = realloc(error, td->o.ignore_error_nr[etype]
289 * sizeof(int));
290 }
291 if (fname[0] == 'E') {
292 error[i] = str2error(fname);
293 } else {
294 error[i] = atoi(fname);
295 if (error[i] < 0)
296 error[i] = -error[i];
297 }
298 if (!error[i]) {
299 log_err("Unknown error %s, please use number value \n",
300 fname);
301 free(error);
302 return 1;
303 }
304 i++;
305 }
306 if (i) {
307 td->o.continue_on_error |= 1 << etype;
308 td->o.ignore_error_nr[etype] = i;
309 td->o.ignore_error[etype] = error;
310 } else
311 free(error);
312
313 return 0;
314
315}
316
317static int str_ignore_error_cb(void *data, const char *input)
318{
319 struct thread_data *td = data;
320 char *str, *p, *n;
321 int type = 0, ret = 1;
322
323 if (parse_dryrun())
324 return 0;
325
326 p = str = strdup(input);
327
328 strip_blank_front(&str);
329 strip_blank_end(str);
330
331 while (p) {
332 n = strchr(p, ',');
333 if (n)
334 *n++ = '\0';
335 ret = ignore_error_type(td, type, p);
336 if (ret)
337 break;
338 p = n;
339 type++;
340 }
341 free(str);
342 return ret;
343}
344
345static int str_rw_cb(void *data, const char *str)
346{
347 struct thread_data *td = data;
348 struct thread_options *o = &td->o;
349 char *nr;
350
351 if (parse_dryrun())
352 return 0;
353
354 o->ddir_seq_nr = 1;
355 o->ddir_seq_add = 0;
356
357 nr = get_opt_postfix(str);
358 if (!nr)
359 return 0;
360
361 if (td_random(td))
362 o->ddir_seq_nr = atoi(nr);
363 else {
364 long long val;
365
366 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
367 log_err("fio: rw postfix parsing failed\n");
368 free(nr);
369 return 1;
370 }
371
372 o->ddir_seq_add = val;
373 }
374
375 free(nr);
376 return 0;
377}
378
379static int str_mem_cb(void *data, const char *mem)
380{
381 struct thread_data *td = data;
382
383 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
384 td->o.mem_type == MEM_MMAPSHARED)
385 td->o.mmapfile = get_opt_postfix(mem);
386
387 return 0;
388}
389
390static int fio_clock_source_cb(void *data, const char *str)
391{
392 struct thread_data *td = data;
393
394 fio_clock_source = td->o.clocksource;
395 fio_clock_source_set = 1;
396 fio_clock_init();
397 return 0;
398}
399
400static int str_rwmix_read_cb(void *data, unsigned long long *val)
401{
402 struct thread_data *td = data;
403
404 td->o.rwmix[DDIR_READ] = *val;
405 td->o.rwmix[DDIR_WRITE] = 100 - *val;
406 return 0;
407}
408
409static int str_rwmix_write_cb(void *data, unsigned long long *val)
410{
411 struct thread_data *td = data;
412
413 td->o.rwmix[DDIR_WRITE] = *val;
414 td->o.rwmix[DDIR_READ] = 100 - *val;
415 return 0;
416}
417
418static int str_exitall_cb(void)
419{
420 exitall_on_terminate = 1;
421 return 0;
422}
423
424#ifdef FIO_HAVE_CPU_AFFINITY
425int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
426{
427 unsigned int i, index, cpus_in_mask;
428 const long max_cpu = cpus_online();
429
430 cpus_in_mask = fio_cpu_count(mask);
431 cpu_index = cpu_index % cpus_in_mask;
432
433 index = 0;
434 for (i = 0; i < max_cpu; i++) {
435 if (!fio_cpu_isset(mask, i))
436 continue;
437
438 if (cpu_index != index)
439 fio_cpu_clear(mask, i);
440
441 index++;
442 }
443
444 return fio_cpu_count(mask);
445}
446
447static int str_cpumask_cb(void *data, unsigned long long *val)
448{
449 struct thread_data *td = data;
450 unsigned int i;
451 long max_cpu;
452 int ret;
453
454 if (parse_dryrun())
455 return 0;
456
457 ret = fio_cpuset_init(&td->o.cpumask);
458 if (ret < 0) {
459 log_err("fio: cpuset_init failed\n");
460 td_verror(td, ret, "fio_cpuset_init");
461 return 1;
462 }
463
464 max_cpu = cpus_online();
465
466 for (i = 0; i < sizeof(int) * 8; i++) {
467 if ((1 << i) & *val) {
468 if (i >= max_cpu) {
469 log_err("fio: CPU %d too large (max=%ld)\n", i,
470 max_cpu - 1);
471 return 1;
472 }
473 dprint(FD_PARSE, "set cpu allowed %d\n", i);
474 fio_cpu_set(&td->o.cpumask, i);
475 }
476 }
477
478 return 0;
479}
480
481static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
482 const char *input)
483{
484 char *cpu, *str, *p;
485 long max_cpu;
486 int ret = 0;
487
488 ret = fio_cpuset_init(mask);
489 if (ret < 0) {
490 log_err("fio: cpuset_init failed\n");
491 td_verror(td, ret, "fio_cpuset_init");
492 return 1;
493 }
494
495 p = str = strdup(input);
496
497 strip_blank_front(&str);
498 strip_blank_end(str);
499
500 max_cpu = cpus_online();
501
502 while ((cpu = strsep(&str, ",")) != NULL) {
503 char *str2, *cpu2;
504 int icpu, icpu2;
505
506 if (!strlen(cpu))
507 break;
508
509 str2 = cpu;
510 icpu2 = -1;
511 while ((cpu2 = strsep(&str2, "-")) != NULL) {
512 if (!strlen(cpu2))
513 break;
514
515 icpu2 = atoi(cpu2);
516 }
517
518 icpu = atoi(cpu);
519 if (icpu2 == -1)
520 icpu2 = icpu;
521 while (icpu <= icpu2) {
522 if (icpu >= FIO_MAX_CPUS) {
523 log_err("fio: your OS only supports up to"
524 " %d CPUs\n", (int) FIO_MAX_CPUS);
525 ret = 1;
526 break;
527 }
528 if (icpu >= max_cpu) {
529 log_err("fio: CPU %d too large (max=%ld)\n",
530 icpu, max_cpu - 1);
531 ret = 1;
532 break;
533 }
534
535 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
536 fio_cpu_set(mask, icpu);
537 icpu++;
538 }
539 if (ret)
540 break;
541 }
542
543 free(p);
544 return ret;
545}
546
547static int str_cpus_allowed_cb(void *data, const char *input)
548{
549 struct thread_data *td = data;
550
551 if (parse_dryrun())
552 return 0;
553
554 return set_cpus_allowed(td, &td->o.cpumask, input);
555}
556
557static int str_verify_cpus_allowed_cb(void *data, const char *input)
558{
559 struct thread_data *td = data;
560
561 if (parse_dryrun())
562 return 0;
563
564 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
565}
566
567#ifdef CONFIG_ZLIB
568static int str_log_cpus_allowed_cb(void *data, const char *input)
569{
570 struct thread_data *td = data;
571
572 if (parse_dryrun())
573 return 0;
574
575 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
576}
577#endif /* CONFIG_ZLIB */
578
579#endif /* FIO_HAVE_CPU_AFFINITY */
580
581#ifdef CONFIG_LIBNUMA
582static int str_numa_cpunodes_cb(void *data, char *input)
583{
584 struct thread_data *td = data;
585 struct bitmask *verify_bitmask;
586
587 if (parse_dryrun())
588 return 0;
589
590 /* numa_parse_nodestring() parses a character string list
591 * of nodes into a bit mask. The bit mask is allocated by
592 * numa_allocate_nodemask(), so it should be freed by
593 * numa_free_nodemask().
594 */
595 verify_bitmask = numa_parse_nodestring(input);
596 if (verify_bitmask == NULL) {
597 log_err("fio: numa_parse_nodestring failed\n");
598 td_verror(td, 1, "str_numa_cpunodes_cb");
599 return 1;
600 }
601 numa_free_nodemask(verify_bitmask);
602
603 td->o.numa_cpunodes = strdup(input);
604 return 0;
605}
606
607static int str_numa_mpol_cb(void *data, char *input)
608{
609 struct thread_data *td = data;
610 const char * const policy_types[] =
611 { "default", "prefer", "bind", "interleave", "local", NULL };
612 int i;
613 char *nodelist;
614 struct bitmask *verify_bitmask;
615
616 if (parse_dryrun())
617 return 0;
618
619 nodelist = strchr(input, ':');
620 if (nodelist) {
621 /* NUL-terminate mode */
622 *nodelist++ = '\0';
623 }
624
625 for (i = 0; i <= MPOL_LOCAL; i++) {
626 if (!strcmp(input, policy_types[i])) {
627 td->o.numa_mem_mode = i;
628 break;
629 }
630 }
631 if (i > MPOL_LOCAL) {
632 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
633 goto out;
634 }
635
636 switch (td->o.numa_mem_mode) {
637 case MPOL_PREFERRED:
638 /*
639 * Insist on a nodelist of one node only
640 */
641 if (nodelist) {
642 char *rest = nodelist;
643 while (isdigit(*rest))
644 rest++;
645 if (*rest) {
646 log_err("fio: one node only for \'prefer\'\n");
647 goto out;
648 }
649 } else {
650 log_err("fio: one node is needed for \'prefer\'\n");
651 goto out;
652 }
653 break;
654 case MPOL_INTERLEAVE:
655 /*
656 * Default to online nodes with memory if no nodelist
657 */
658 if (!nodelist)
659 nodelist = strdup("all");
660 break;
661 case MPOL_LOCAL:
662 case MPOL_DEFAULT:
663 /*
664 * Don't allow a nodelist
665 */
666 if (nodelist) {
667 log_err("fio: NO nodelist for \'local\'\n");
668 goto out;
669 }
670 break;
671 case MPOL_BIND:
672 /*
673 * Insist on a nodelist
674 */
675 if (!nodelist) {
676 log_err("fio: a nodelist is needed for \'bind\'\n");
677 goto out;
678 }
679 break;
680 }
681
682
683 /* numa_parse_nodestring() parses a character string list
684 * of nodes into a bit mask. The bit mask is allocated by
685 * numa_allocate_nodemask(), so it should be freed by
686 * numa_free_nodemask().
687 */
688 switch (td->o.numa_mem_mode) {
689 case MPOL_PREFERRED:
690 td->o.numa_mem_prefer_node = atoi(nodelist);
691 break;
692 case MPOL_INTERLEAVE:
693 case MPOL_BIND:
694 verify_bitmask = numa_parse_nodestring(nodelist);
695 if (verify_bitmask == NULL) {
696 log_err("fio: numa_parse_nodestring failed\n");
697 td_verror(td, 1, "str_numa_memnodes_cb");
698 return 1;
699 }
700 td->o.numa_memnodes = strdup(nodelist);
701 numa_free_nodemask(verify_bitmask);
702
703 break;
704 case MPOL_LOCAL:
705 case MPOL_DEFAULT:
706 default:
707 break;
708 }
709
710 return 0;
711out:
712 return 1;
713}
714#endif
715
716static int str_fst_cb(void *data, const char *str)
717{
718 struct thread_data *td = data;
719 char *nr = get_opt_postfix(str);
720
721 td->file_service_nr = 1;
722 if (nr) {
723 td->file_service_nr = atoi(nr);
724 free(nr);
725 }
726
727 return 0;
728}
729
730#ifdef CONFIG_SYNC_FILE_RANGE
731static int str_sfr_cb(void *data, const char *str)
732{
733 struct thread_data *td = data;
734 char *nr = get_opt_postfix(str);
735
736 td->sync_file_range_nr = 1;
737 if (nr) {
738 td->sync_file_range_nr = atoi(nr);
739 free(nr);
740 }
741
742 return 0;
743}
744#endif
745
746static int zone_cmp(const void *p1, const void *p2)
747{
748 const struct zone_split *zsp1 = p1;
749 const struct zone_split *zsp2 = p2;
750
751 return (int) zsp2->access_perc - (int) zsp1->access_perc;
752}
753
754static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
755 char *str)
756{
757 unsigned int i, perc, perc_missing, sperc, sperc_missing;
758 struct split split;
759
760 memset(&split, 0, sizeof(split));
761
762 if (split_parse_ddir(o, &split, ddir, str))
763 return 1;
764 if (!split.nr)
765 return 0;
766
767 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
768 o->zone_split_nr[ddir] = split.nr;
769 for (i = 0; i < split.nr; i++) {
770 o->zone_split[ddir][i].access_perc = split.val1[i];
771 o->zone_split[ddir][i].size_perc = split.val2[i];
772 }
773
774 /*
775 * Now check if the percentages add up, and how much is missing
776 */
777 perc = perc_missing = 0;
778 sperc = sperc_missing = 0;
779 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
780 struct zone_split *zsp = &o->zone_split[ddir][i];
781
782 if (zsp->access_perc == (uint8_t) -1U)
783 perc_missing++;
784 else
785 perc += zsp->access_perc;
786
787 if (zsp->size_perc == (uint8_t) -1U)
788 sperc_missing++;
789 else
790 sperc += zsp->size_perc;
791
792 }
793
794 if (perc > 100 || sperc > 100) {
795 log_err("fio: zone_split percentages add to more than 100%%\n");
796 free(o->zone_split[ddir]);
797 o->zone_split[ddir] = NULL;
798 return 1;
799 }
800 if (perc < 100) {
801 log_err("fio: access percentage don't add up to 100 for zoned "
802 "random distribution (got=%u)\n", perc);
803 free(o->zone_split[ddir]);
804 o->zone_split[ddir] = NULL;
805 return 1;
806 }
807
808 /*
809 * If values didn't have a percentage set, divide the remains between
810 * them.
811 */
812 if (perc_missing) {
813 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
814 perc = 100;
815 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
816 struct zone_split *zsp = &o->zone_split[ddir][i];
817
818 if (zsp->access_perc == (uint8_t) -1U)
819 zsp->access_perc = (100 - perc) / perc_missing;
820 }
821 }
822 if (sperc_missing) {
823 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
824 sperc = 100;
825 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
826 struct zone_split *zsp = &o->zone_split[ddir][i];
827
828 if (zsp->size_perc == (uint8_t) -1U)
829 zsp->size_perc = (100 - sperc) / sperc_missing;
830 }
831 }
832
833 /*
834 * now sort based on percentages, for ease of lookup
835 */
836 qsort(o->zone_split[ddir], o->zone_split_nr[ddir], sizeof(struct zone_split), zone_cmp);
837 return 0;
838}
839
840static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
841{
842 unsigned int i, j, sprev, aprev;
843
844 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
845
846 sprev = aprev = 0;
847 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
848 struct zone_split *zsp = &td->o.zone_split[ddir][i];
849
850 for (j = aprev; j < aprev + zsp->access_perc; j++) {
851 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
852
853 zsi->size_perc = sprev + zsp->size_perc;
854 zsi->size_perc_prev = sprev;
855 }
856
857 aprev += zsp->access_perc;
858 sprev += zsp->size_perc;
859 }
860}
861
862/*
863 * Generate state table for indexes, so we don't have to do it inline from
864 * the hot IO path
865 */
866static void td_zone_gen_index(struct thread_data *td)
867{
868 int i;
869
870 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
871 sizeof(struct zone_split_index *));
872
873 for (i = 0; i < DDIR_RWDIR_CNT; i++)
874 __td_zone_gen_index(td, i);
875}
876
877static int parse_zoned_distribution(struct thread_data *td, const char *input)
878{
879 char *str, *p;
880 int i, ret = 0;
881
882 p = str = strdup(input);
883
884 strip_blank_front(&str);
885 strip_blank_end(str);
886
887 /* We expect it to start like that, bail if not */
888 if (strncmp(str, "zoned:", 6)) {
889 log_err("fio: mismatch in zoned input <%s>\n", str);
890 free(p);
891 return 1;
892 }
893 str += strlen("zoned:");
894
895 ret = str_split_parse(td, str, zone_split_ddir);
896
897 free(p);
898
899 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
900 int j;
901
902 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
903
904 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
905 struct zone_split *zsp = &td->o.zone_split[i][j];
906
907 dprint(FD_PARSE, "\t%d: %u/%u\n", j, zsp->access_perc,
908 zsp->size_perc);
909 }
910 }
911
912 if (parse_dryrun()) {
913 int i;
914
915 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
916 free(td->o.zone_split[i]);
917 td->o.zone_split[i] = NULL;
918 td->o.zone_split_nr[i] = 0;
919 }
920
921 return ret;
922 }
923
924 if (!ret)
925 td_zone_gen_index(td);
926 else {
927 for (i = 0; i < DDIR_RWDIR_CNT; i++)
928 td->o.zone_split_nr[i] = 0;
929 }
930
931 return ret;
932}
933
934static int str_random_distribution_cb(void *data, const char *str)
935{
936 struct thread_data *td = data;
937 double val;
938 char *nr;
939
940 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
941 val = FIO_DEF_ZIPF;
942 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
943 val = FIO_DEF_PARETO;
944 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
945 val = 0.0;
946 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
947 return parse_zoned_distribution(td, str);
948 else
949 return 0;
950
951 nr = get_opt_postfix(str);
952 if (nr && !str_to_float(nr, &val, 0)) {
953 log_err("fio: random postfix parsing failed\n");
954 free(nr);
955 return 1;
956 }
957
958 free(nr);
959
960 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
961 if (val == 1.00) {
962 log_err("fio: zipf theta must different than 1.0\n");
963 return 1;
964 }
965 if (parse_dryrun())
966 return 0;
967 td->o.zipf_theta.u.f = val;
968 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
969 if (val <= 0.00 || val >= 1.00) {
970 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
971 return 1;
972 }
973 if (parse_dryrun())
974 return 0;
975 td->o.pareto_h.u.f = val;
976 } else {
977 if (val <= 0.00 || val >= 100.0) {
978 log_err("fio: normal deviation out of range (0 < input < 100.0)\n");
979 return 1;
980 }
981 if (parse_dryrun())
982 return 0;
983 td->o.gauss_dev.u.f = val;
984 }
985
986 return 0;
987}
988
989/*
990 * Return next name in the string. Files are separated with ':'. If the ':'
991 * is escaped with a '\', then that ':' is part of the filename and does not
992 * indicate a new file.
993 */
994static char *get_next_name(char **ptr)
995{
996 char *str = *ptr;
997 char *p, *start;
998
999 if (!str || !strlen(str))
1000 return NULL;
1001
1002 start = str;
1003 do {
1004 /*
1005 * No colon, we are done
1006 */
1007 p = strchr(str, ':');
1008 if (!p) {
1009 *ptr = NULL;
1010 break;
1011 }
1012
1013 /*
1014 * We got a colon, but it's the first character. Skip and
1015 * continue
1016 */
1017 if (p == start) {
1018 str = ++start;
1019 continue;
1020 }
1021
1022 if (*(p - 1) != '\\') {
1023 *p = '\0';
1024 *ptr = p + 1;
1025 break;
1026 }
1027
1028 memmove(p - 1, p, strlen(p) + 1);
1029 str = p;
1030 } while (1);
1031
1032 return start;
1033}
1034
1035
1036static int get_max_name_idx(char *input)
1037{
1038 unsigned int cur_idx;
1039 char *str, *p;
1040
1041 p = str = strdup(input);
1042 for (cur_idx = 0; ; cur_idx++)
1043 if (get_next_name(&str) == NULL)
1044 break;
1045
1046 free(p);
1047 return cur_idx;
1048}
1049
1050/*
1051 * Returns the directory at the index, indexes > entires will be
1052 * assigned via modulo division of the index
1053 */
1054int set_name_idx(char *target, size_t tlen, char *input, int index)
1055{
1056 unsigned int cur_idx;
1057 int len;
1058 char *fname, *str, *p;
1059
1060 p = str = strdup(input);
1061
1062 index %= get_max_name_idx(input);
1063 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1064 fname = get_next_name(&str);
1065
1066 if (client_sockaddr_str[0]) {
1067 len = snprintf(target, tlen, "%s/%s.", fname,
1068 client_sockaddr_str);
1069 } else
1070 len = snprintf(target, tlen, "%s/", fname);
1071
1072 target[tlen - 1] = '\0';
1073 free(p);
1074
1075 return len;
1076}
1077
1078static int str_filename_cb(void *data, const char *input)
1079{
1080 struct thread_data *td = data;
1081 char *fname, *str, *p;
1082
1083 p = str = strdup(input);
1084
1085 strip_blank_front(&str);
1086 strip_blank_end(str);
1087
1088 if (!td->files_index)
1089 td->o.nr_files = 0;
1090
1091 while ((fname = get_next_name(&str)) != NULL) {
1092 if (!strlen(fname))
1093 break;
1094 add_file(td, fname, 0, 1);
1095 }
1096
1097 free(p);
1098 return 0;
1099}
1100
1101static int str_directory_cb(void *data, const char fio_unused *unused)
1102{
1103 struct thread_data *td = data;
1104 struct stat sb;
1105 char *dirname, *str, *p;
1106 int ret = 0;
1107
1108 if (parse_dryrun())
1109 return 0;
1110
1111 p = str = strdup(td->o.directory);
1112 while ((dirname = get_next_name(&str)) != NULL) {
1113 if (lstat(dirname, &sb) < 0) {
1114 ret = errno;
1115
1116 log_err("fio: %s is not a directory\n", dirname);
1117 td_verror(td, ret, "lstat");
1118 goto out;
1119 }
1120 if (!S_ISDIR(sb.st_mode)) {
1121 log_err("fio: %s is not a directory\n", dirname);
1122 ret = 1;
1123 goto out;
1124 }
1125 }
1126
1127out:
1128 free(p);
1129 return ret;
1130}
1131
1132static int str_opendir_cb(void *data, const char fio_unused *str)
1133{
1134 struct thread_data *td = data;
1135
1136 if (parse_dryrun())
1137 return 0;
1138
1139 if (!td->files_index)
1140 td->o.nr_files = 0;
1141
1142 return add_dir_files(td, td->o.opendir);
1143}
1144
1145static int str_buffer_pattern_cb(void *data, const char *input)
1146{
1147 struct thread_data *td = data;
1148 int ret;
1149
1150 /* FIXME: for now buffer pattern does not support formats */
1151 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1152 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1153 if (ret < 0)
1154 return 1;
1155
1156 assert(ret != 0);
1157 td->o.buffer_pattern_bytes = ret;
1158 if (!td->o.compress_percentage)
1159 td->o.refill_buffers = 0;
1160 td->o.scramble_buffers = 0;
1161 td->o.zero_buffers = 0;
1162
1163 return 0;
1164}
1165
1166static int str_buffer_compress_cb(void *data, unsigned long long *il)
1167{
1168 struct thread_data *td = data;
1169
1170 td->flags |= TD_F_COMPRESS;
1171 td->o.compress_percentage = *il;
1172 return 0;
1173}
1174
1175static int str_dedupe_cb(void *data, unsigned long long *il)
1176{
1177 struct thread_data *td = data;
1178
1179 td->flags |= TD_F_COMPRESS;
1180 td->o.dedupe_percentage = *il;
1181 td->o.refill_buffers = 1;
1182 return 0;
1183}
1184
1185static int str_verify_pattern_cb(void *data, const char *input)
1186{
1187 struct pattern_fmt_desc fmt_desc[] = {
1188 {
1189 .fmt = "%o",
1190 .len = FIELD_SIZE(struct io_u *, offset),
1191 .paste = paste_blockoff
1192 }
1193 };
1194 struct thread_data *td = data;
1195 int ret;
1196
1197 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1198 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
1199 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1200 td->o.verify_fmt, &td->o.verify_fmt_sz);
1201 if (ret < 0)
1202 return 1;
1203
1204 assert(ret != 0);
1205 td->o.verify_pattern_bytes = ret;
1206 /*
1207 * VERIFY_* could already be set
1208 */
1209 if (!fio_option_is_set(&td->o, verify))
1210 td->o.verify = VERIFY_PATTERN;
1211
1212 return 0;
1213}
1214
1215static int str_gtod_reduce_cb(void *data, int *il)
1216{
1217 struct thread_data *td = data;
1218 int val = *il;
1219
1220 td->o.disable_lat = !!val;
1221 td->o.disable_clat = !!val;
1222 td->o.disable_slat = !!val;
1223 td->o.disable_bw = !!val;
1224 td->o.clat_percentiles = !val;
1225 if (val)
1226 td->tv_cache_mask = 63;
1227
1228 return 0;
1229}
1230
1231static int str_size_cb(void *data, unsigned long long *__val)
1232{
1233 struct thread_data *td = data;
1234 unsigned long long v = *__val;
1235
1236 if (parse_is_percent(v)) {
1237 td->o.size = 0;
1238 td->o.size_percent = -1ULL - v;
1239 } else
1240 td->o.size = v;
1241
1242 return 0;
1243}
1244
1245static int rw_verify(struct fio_option *o, void *data)
1246{
1247 struct thread_data *td = data;
1248
1249 if (read_only && td_write(td)) {
1250 log_err("fio: job <%s> has write bit set, but fio is in"
1251 " read-only mode\n", td->o.name);
1252 return 1;
1253 }
1254
1255 return 0;
1256}
1257
1258static int gtod_cpu_verify(struct fio_option *o, void *data)
1259{
1260#ifndef FIO_HAVE_CPU_AFFINITY
1261 struct thread_data *td = data;
1262
1263 if (td->o.gtod_cpu) {
1264 log_err("fio: platform must support CPU affinity for"
1265 "gettimeofday() offloading\n");
1266 return 1;
1267 }
1268#endif
1269
1270 return 0;
1271}
1272
1273/*
1274 * Map of job/command line options
1275 */
1276struct fio_option fio_options[FIO_MAX_OPTS] = {
1277 {
1278 .name = "description",
1279 .lname = "Description of job",
1280 .type = FIO_OPT_STR_STORE,
1281 .off1 = td_var_offset(description),
1282 .help = "Text job description",
1283 .category = FIO_OPT_C_GENERAL,
1284 .group = FIO_OPT_G_DESC,
1285 },
1286 {
1287 .name = "name",
1288 .lname = "Job name",
1289 .type = FIO_OPT_STR_STORE,
1290 .off1 = td_var_offset(name),
1291 .help = "Name of this job",
1292 .category = FIO_OPT_C_GENERAL,
1293 .group = FIO_OPT_G_DESC,
1294 },
1295 {
1296 .name = "wait_for",
1297 .lname = "Waitee name",
1298 .type = FIO_OPT_STR_STORE,
1299 .off1 = td_var_offset(wait_for),
1300 .help = "Name of the job this one wants to wait for before starting",
1301 .category = FIO_OPT_C_GENERAL,
1302 .group = FIO_OPT_G_DESC,
1303 },
1304 {
1305 .name = "filename",
1306 .lname = "Filename(s)",
1307 .type = FIO_OPT_STR_STORE,
1308 .off1 = td_var_offset(filename),
1309 .cb = str_filename_cb,
1310 .prio = -1, /* must come after "directory" */
1311 .help = "File(s) to use for the workload",
1312 .category = FIO_OPT_C_FILE,
1313 .group = FIO_OPT_G_FILENAME,
1314 },
1315 {
1316 .name = "directory",
1317 .lname = "Directory",
1318 .type = FIO_OPT_STR_STORE,
1319 .off1 = td_var_offset(directory),
1320 .cb = str_directory_cb,
1321 .help = "Directory to store files in",
1322 .category = FIO_OPT_C_FILE,
1323 .group = FIO_OPT_G_FILENAME,
1324 },
1325 {
1326 .name = "filename_format",
1327 .type = FIO_OPT_STR_STORE,
1328 .off1 = td_var_offset(filename_format),
1329 .prio = -1, /* must come after "directory" */
1330 .help = "Override default $jobname.$jobnum.$filenum naming",
1331 .def = "$jobname.$jobnum.$filenum",
1332 .category = FIO_OPT_C_FILE,
1333 .group = FIO_OPT_G_FILENAME,
1334 },
1335 {
1336 .name = "lockfile",
1337 .lname = "Lockfile",
1338 .type = FIO_OPT_STR,
1339 .off1 = td_var_offset(file_lock_mode),
1340 .help = "Lock file when doing IO to it",
1341 .prio = 1,
1342 .parent = "filename",
1343 .hide = 0,
1344 .def = "none",
1345 .category = FIO_OPT_C_FILE,
1346 .group = FIO_OPT_G_FILENAME,
1347 .posval = {
1348 { .ival = "none",
1349 .oval = FILE_LOCK_NONE,
1350 .help = "No file locking",
1351 },
1352 { .ival = "exclusive",
1353 .oval = FILE_LOCK_EXCLUSIVE,
1354 .help = "Exclusive file lock",
1355 },
1356 {
1357 .ival = "readwrite",
1358 .oval = FILE_LOCK_READWRITE,
1359 .help = "Read vs write lock",
1360 },
1361 },
1362 },
1363 {
1364 .name = "opendir",
1365 .lname = "Open directory",
1366 .type = FIO_OPT_STR_STORE,
1367 .off1 = td_var_offset(opendir),
1368 .cb = str_opendir_cb,
1369 .help = "Recursively add files from this directory and down",
1370 .category = FIO_OPT_C_FILE,
1371 .group = FIO_OPT_G_FILENAME,
1372 },
1373 {
1374 .name = "rw",
1375 .lname = "Read/write",
1376 .alias = "readwrite",
1377 .type = FIO_OPT_STR,
1378 .cb = str_rw_cb,
1379 .off1 = td_var_offset(td_ddir),
1380 .help = "IO direction",
1381 .def = "read",
1382 .verify = rw_verify,
1383 .category = FIO_OPT_C_IO,
1384 .group = FIO_OPT_G_IO_BASIC,
1385 .posval = {
1386 { .ival = "read",
1387 .oval = TD_DDIR_READ,
1388 .help = "Sequential read",
1389 },
1390 { .ival = "write",
1391 .oval = TD_DDIR_WRITE,
1392 .help = "Sequential write",
1393 },
1394 { .ival = "trim",
1395 .oval = TD_DDIR_TRIM,
1396 .help = "Sequential trim",
1397 },
1398 { .ival = "randread",
1399 .oval = TD_DDIR_RANDREAD,
1400 .help = "Random read",
1401 },
1402 { .ival = "randwrite",
1403 .oval = TD_DDIR_RANDWRITE,
1404 .help = "Random write",
1405 },
1406 { .ival = "randtrim",
1407 .oval = TD_DDIR_RANDTRIM,
1408 .help = "Random trim",
1409 },
1410 { .ival = "rw",
1411 .oval = TD_DDIR_RW,
1412 .help = "Sequential read and write mix",
1413 },
1414 { .ival = "readwrite",
1415 .oval = TD_DDIR_RW,
1416 .help = "Sequential read and write mix",
1417 },
1418 { .ival = "randrw",
1419 .oval = TD_DDIR_RANDRW,
1420 .help = "Random read and write mix"
1421 },
1422 { .ival = "trimwrite",
1423 .oval = TD_DDIR_TRIMWRITE,
1424 .help = "Trim and write mix, trims preceding writes"
1425 },
1426 },
1427 },
1428 {
1429 .name = "rw_sequencer",
1430 .lname = "RW Sequencer",
1431 .type = FIO_OPT_STR,
1432 .off1 = td_var_offset(rw_seq),
1433 .help = "IO offset generator modifier",
1434 .def = "sequential",
1435 .category = FIO_OPT_C_IO,
1436 .group = FIO_OPT_G_IO_BASIC,
1437 .posval = {
1438 { .ival = "sequential",
1439 .oval = RW_SEQ_SEQ,
1440 .help = "Generate sequential offsets",
1441 },
1442 { .ival = "identical",
1443 .oval = RW_SEQ_IDENT,
1444 .help = "Generate identical offsets",
1445 },
1446 },
1447 },
1448
1449 {
1450 .name = "ioengine",
1451 .lname = "IO Engine",
1452 .type = FIO_OPT_STR_STORE,
1453 .off1 = td_var_offset(ioengine),
1454 .help = "IO engine to use",
1455 .def = FIO_PREFERRED_ENGINE,
1456 .category = FIO_OPT_C_IO,
1457 .group = FIO_OPT_G_IO_BASIC,
1458 .posval = {
1459 { .ival = "sync",
1460 .help = "Use read/write",
1461 },
1462 { .ival = "psync",
1463 .help = "Use pread/pwrite",
1464 },
1465 { .ival = "vsync",
1466 .help = "Use readv/writev",
1467 },
1468#ifdef CONFIG_PWRITEV
1469 { .ival = "pvsync",
1470 .help = "Use preadv/pwritev",
1471 },
1472#endif
1473#ifdef CONFIG_PWRITEV
1474 { .ival = "pvsync2",
1475 .help = "Use preadv2/pwritev2",
1476 },
1477#endif
1478#ifdef CONFIG_LIBAIO
1479 { .ival = "libaio",
1480 .help = "Linux native asynchronous IO",
1481 },
1482#endif
1483#ifdef CONFIG_POSIXAIO
1484 { .ival = "posixaio",
1485 .help = "POSIX asynchronous IO",
1486 },
1487#endif
1488#ifdef CONFIG_SOLARISAIO
1489 { .ival = "solarisaio",
1490 .help = "Solaris native asynchronous IO",
1491 },
1492#endif
1493#ifdef CONFIG_WINDOWSAIO
1494 { .ival = "windowsaio",
1495 .help = "Windows native asynchronous IO"
1496 },
1497#endif
1498#ifdef CONFIG_RBD
1499 { .ival = "rbd",
1500 .help = "Rados Block Device asynchronous IO"
1501 },
1502#endif
1503 { .ival = "mmap",
1504 .help = "Memory mapped IO"
1505 },
1506#ifdef CONFIG_LINUX_SPLICE
1507 { .ival = "splice",
1508 .help = "splice/vmsplice based IO",
1509 },
1510 { .ival = "netsplice",
1511 .help = "splice/vmsplice to/from the network",
1512 },
1513#endif
1514#ifdef FIO_HAVE_SGIO
1515 { .ival = "sg",
1516 .help = "SCSI generic v3 IO",
1517 },
1518#endif
1519 { .ival = "null",
1520 .help = "Testing engine (no data transfer)",
1521 },
1522 { .ival = "net",
1523 .help = "Network IO",
1524 },
1525 { .ival = "cpuio",
1526 .help = "CPU cycle burner engine",
1527 },
1528#ifdef CONFIG_GUASI
1529 { .ival = "guasi",
1530 .help = "GUASI IO engine",
1531 },
1532#endif
1533#ifdef FIO_HAVE_BINJECT
1534 { .ival = "binject",
1535 .help = "binject direct inject block engine",
1536 },
1537#endif
1538#ifdef CONFIG_RDMA
1539 { .ival = "rdma",
1540 .help = "RDMA IO engine",
1541 },
1542#endif
1543#ifdef CONFIG_FUSION_AW
1544 { .ival = "fusion-aw-sync",
1545 .help = "Fusion-io atomic write engine",
1546 },
1547#endif
1548#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1549 { .ival = "e4defrag",
1550 .help = "ext4 defrag engine",
1551 },
1552#endif
1553#ifdef CONFIG_LINUX_FALLOCATE
1554 { .ival = "falloc",
1555 .help = "fallocate() file based engine",
1556 },
1557#endif
1558#ifdef CONFIG_GFAPI
1559 { .ival = "gfapi",
1560 .help = "Glusterfs libgfapi(sync) based engine"
1561 },
1562 { .ival = "gfapi_async",
1563 .help = "Glusterfs libgfapi(async) based engine"
1564 },
1565#endif
1566#ifdef CONFIG_LIBHDFS
1567 { .ival = "libhdfs",
1568 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1569 },
1570#endif
1571 { .ival = "external",
1572 .help = "Load external engine (append name)",
1573 },
1574 },
1575 },
1576 {
1577 .name = "iodepth",
1578 .lname = "IO Depth",
1579 .type = FIO_OPT_INT,
1580 .off1 = td_var_offset(iodepth),
1581 .help = "Number of IO buffers to keep in flight",
1582 .minval = 1,
1583 .interval = 1,
1584 .def = "1",
1585 .category = FIO_OPT_C_IO,
1586 .group = FIO_OPT_G_IO_BASIC,
1587 },
1588 {
1589 .name = "iodepth_batch",
1590 .lname = "IO Depth batch",
1591 .alias = "iodepth_batch_submit",
1592 .type = FIO_OPT_INT,
1593 .off1 = td_var_offset(iodepth_batch),
1594 .help = "Number of IO buffers to submit in one go",
1595 .parent = "iodepth",
1596 .hide = 1,
1597 .minval = 1,
1598 .interval = 1,
1599 .def = "1",
1600 .category = FIO_OPT_C_IO,
1601 .group = FIO_OPT_G_IO_BASIC,
1602 },
1603 {
1604 .name = "iodepth_batch_complete_min",
1605 .lname = "Min IO depth batch complete",
1606 .alias = "iodepth_batch_complete",
1607 .type = FIO_OPT_INT,
1608 .off1 = td_var_offset(iodepth_batch_complete_min),
1609 .help = "Min number of IO buffers to retrieve in one go",
1610 .parent = "iodepth",
1611 .hide = 1,
1612 .minval = 0,
1613 .interval = 1,
1614 .def = "1",
1615 .category = FIO_OPT_C_IO,
1616 .group = FIO_OPT_G_IO_BASIC,
1617 },
1618 {
1619 .name = "iodepth_batch_complete_max",
1620 .lname = "Max IO depth batch complete",
1621 .type = FIO_OPT_INT,
1622 .off1 = td_var_offset(iodepth_batch_complete_max),
1623 .help = "Max number of IO buffers to retrieve in one go",
1624 .parent = "iodepth",
1625 .hide = 1,
1626 .minval = 0,
1627 .interval = 1,
1628 .category = FIO_OPT_C_IO,
1629 .group = FIO_OPT_G_IO_BASIC,
1630 },
1631 {
1632 .name = "iodepth_low",
1633 .lname = "IO Depth batch low",
1634 .type = FIO_OPT_INT,
1635 .off1 = td_var_offset(iodepth_low),
1636 .help = "Low water mark for queuing depth",
1637 .parent = "iodepth",
1638 .hide = 1,
1639 .interval = 1,
1640 .category = FIO_OPT_C_IO,
1641 .group = FIO_OPT_G_IO_BASIC,
1642 },
1643 {
1644 .name = "io_submit_mode",
1645 .lname = "IO submit mode",
1646 .type = FIO_OPT_STR,
1647 .off1 = td_var_offset(io_submit_mode),
1648 .help = "How IO submissions and completions are done",
1649 .def = "inline",
1650 .category = FIO_OPT_C_IO,
1651 .group = FIO_OPT_G_IO_BASIC,
1652 .posval = {
1653 { .ival = "inline",
1654 .oval = IO_MODE_INLINE,
1655 .help = "Submit and complete IO inline",
1656 },
1657 { .ival = "offload",
1658 .oval = IO_MODE_OFFLOAD,
1659 .help = "Offload submit and complete to threads",
1660 },
1661 },
1662 },
1663 {
1664 .name = "size",
1665 .lname = "Size",
1666 .type = FIO_OPT_STR_VAL,
1667 .cb = str_size_cb,
1668 .off1 = td_var_offset(size),
1669 .help = "Total size of device or files",
1670 .interval = 1024 * 1024,
1671 .category = FIO_OPT_C_IO,
1672 .group = FIO_OPT_G_INVALID,
1673 },
1674 {
1675 .name = "io_size",
1676 .alias = "io_limit",
1677 .lname = "IO Size",
1678 .type = FIO_OPT_STR_VAL,
1679 .off1 = td_var_offset(io_limit),
1680 .interval = 1024 * 1024,
1681 .category = FIO_OPT_C_IO,
1682 .group = FIO_OPT_G_INVALID,
1683 },
1684 {
1685 .name = "fill_device",
1686 .lname = "Fill device",
1687 .alias = "fill_fs",
1688 .type = FIO_OPT_BOOL,
1689 .off1 = td_var_offset(fill_device),
1690 .help = "Write until an ENOSPC error occurs",
1691 .def = "0",
1692 .category = FIO_OPT_C_FILE,
1693 .group = FIO_OPT_G_INVALID,
1694 },
1695 {
1696 .name = "filesize",
1697 .lname = "File size",
1698 .type = FIO_OPT_STR_VAL,
1699 .off1 = td_var_offset(file_size_low),
1700 .off2 = td_var_offset(file_size_high),
1701 .minval = 1,
1702 .help = "Size of individual files",
1703 .interval = 1024 * 1024,
1704 .category = FIO_OPT_C_FILE,
1705 .group = FIO_OPT_G_INVALID,
1706 },
1707 {
1708 .name = "file_append",
1709 .lname = "File append",
1710 .type = FIO_OPT_BOOL,
1711 .off1 = td_var_offset(file_append),
1712 .help = "IO will start at the end of the file(s)",
1713 .def = "0",
1714 .category = FIO_OPT_C_FILE,
1715 .group = FIO_OPT_G_INVALID,
1716 },
1717 {
1718 .name = "offset",
1719 .lname = "IO offset",
1720 .alias = "fileoffset",
1721 .type = FIO_OPT_STR_VAL,
1722 .off1 = td_var_offset(start_offset),
1723 .help = "Start IO from this offset",
1724 .def = "0",
1725 .interval = 1024 * 1024,
1726 .category = FIO_OPT_C_IO,
1727 .group = FIO_OPT_G_INVALID,
1728 },
1729 {
1730 .name = "offset_increment",
1731 .lname = "IO offset increment",
1732 .type = FIO_OPT_STR_VAL,
1733 .off1 = td_var_offset(offset_increment),
1734 .help = "What is the increment from one offset to the next",
1735 .parent = "offset",
1736 .hide = 1,
1737 .def = "0",
1738 .interval = 1024 * 1024,
1739 .category = FIO_OPT_C_IO,
1740 .group = FIO_OPT_G_INVALID,
1741 },
1742 {
1743 .name = "number_ios",
1744 .lname = "Number of IOs to perform",
1745 .type = FIO_OPT_STR_VAL,
1746 .off1 = td_var_offset(number_ios),
1747 .help = "Force job completion after this number of IOs",
1748 .def = "0",
1749 .category = FIO_OPT_C_IO,
1750 .group = FIO_OPT_G_INVALID,
1751 },
1752 {
1753 .name = "bs",
1754 .lname = "Block size",
1755 .alias = "blocksize",
1756 .type = FIO_OPT_INT,
1757 .off1 = td_var_offset(bs[DDIR_READ]),
1758 .off2 = td_var_offset(bs[DDIR_WRITE]),
1759 .off3 = td_var_offset(bs[DDIR_TRIM]),
1760 .minval = 1,
1761 .help = "Block size unit",
1762 .def = "4k",
1763 .parent = "rw",
1764 .hide = 1,
1765 .interval = 512,
1766 .category = FIO_OPT_C_IO,
1767 .group = FIO_OPT_G_INVALID,
1768 },
1769 {
1770 .name = "ba",
1771 .lname = "Block size align",
1772 .alias = "blockalign",
1773 .type = FIO_OPT_INT,
1774 .off1 = td_var_offset(ba[DDIR_READ]),
1775 .off2 = td_var_offset(ba[DDIR_WRITE]),
1776 .off3 = td_var_offset(ba[DDIR_TRIM]),
1777 .minval = 1,
1778 .help = "IO block offset alignment",
1779 .parent = "rw",
1780 .hide = 1,
1781 .interval = 512,
1782 .category = FIO_OPT_C_IO,
1783 .group = FIO_OPT_G_INVALID,
1784 },
1785 {
1786 .name = "bsrange",
1787 .lname = "Block size range",
1788 .alias = "blocksize_range",
1789 .type = FIO_OPT_RANGE,
1790 .off1 = td_var_offset(min_bs[DDIR_READ]),
1791 .off2 = td_var_offset(max_bs[DDIR_READ]),
1792 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1793 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1794 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1795 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1796 .minval = 1,
1797 .help = "Set block size range (in more detail than bs)",
1798 .parent = "rw",
1799 .hide = 1,
1800 .interval = 4096,
1801 .category = FIO_OPT_C_IO,
1802 .group = FIO_OPT_G_INVALID,
1803 },
1804 {
1805 .name = "bssplit",
1806 .lname = "Block size split",
1807 .type = FIO_OPT_STR,
1808 .cb = str_bssplit_cb,
1809 .off1 = td_var_offset(bssplit),
1810 .help = "Set a specific mix of block sizes",
1811 .parent = "rw",
1812 .hide = 1,
1813 .category = FIO_OPT_C_IO,
1814 .group = FIO_OPT_G_INVALID,
1815 },
1816 {
1817 .name = "bs_unaligned",
1818 .lname = "Block size unaligned",
1819 .alias = "blocksize_unaligned",
1820 .type = FIO_OPT_STR_SET,
1821 .off1 = td_var_offset(bs_unaligned),
1822 .help = "Don't sector align IO buffer sizes",
1823 .parent = "rw",
1824 .hide = 1,
1825 .category = FIO_OPT_C_IO,
1826 .group = FIO_OPT_G_INVALID,
1827 },
1828 {
1829 .name = "bs_is_seq_rand",
1830 .lname = "Block size division is seq/random (not read/write)",
1831 .type = FIO_OPT_BOOL,
1832 .off1 = td_var_offset(bs_is_seq_rand),
1833 .help = "Consider any blocksize setting to be sequential,random",
1834 .def = "0",
1835 .parent = "blocksize",
1836 .category = FIO_OPT_C_IO,
1837 .group = FIO_OPT_G_INVALID,
1838 },
1839 {
1840 .name = "randrepeat",
1841 .lname = "Random repeatable",
1842 .type = FIO_OPT_BOOL,
1843 .off1 = td_var_offset(rand_repeatable),
1844 .help = "Use repeatable random IO pattern",
1845 .def = "1",
1846 .parent = "rw",
1847 .hide = 1,
1848 .category = FIO_OPT_C_IO,
1849 .group = FIO_OPT_G_RANDOM,
1850 },
1851 {
1852 .name = "randseed",
1853 .lname = "The random generator seed",
1854 .type = FIO_OPT_STR_VAL,
1855 .off1 = td_var_offset(rand_seed),
1856 .help = "Set the random generator seed value",
1857 .def = "0x89",
1858 .parent = "rw",
1859 .category = FIO_OPT_C_IO,
1860 .group = FIO_OPT_G_RANDOM,
1861 },
1862 {
1863 .name = "use_os_rand",
1864 .lname = "Use OS random",
1865 .type = FIO_OPT_DEPRECATED,
1866 .off1 = td_var_offset(dep_use_os_rand),
1867 .category = FIO_OPT_C_IO,
1868 .group = FIO_OPT_G_RANDOM,
1869 },
1870 {
1871 .name = "norandommap",
1872 .lname = "No randommap",
1873 .type = FIO_OPT_STR_SET,
1874 .off1 = td_var_offset(norandommap),
1875 .help = "Accept potential duplicate random blocks",
1876 .parent = "rw",
1877 .hide = 1,
1878 .hide_on_set = 1,
1879 .category = FIO_OPT_C_IO,
1880 .group = FIO_OPT_G_RANDOM,
1881 },
1882 {
1883 .name = "softrandommap",
1884 .lname = "Soft randommap",
1885 .type = FIO_OPT_BOOL,
1886 .off1 = td_var_offset(softrandommap),
1887 .help = "Set norandommap if randommap allocation fails",
1888 .parent = "norandommap",
1889 .hide = 1,
1890 .def = "0",
1891 .category = FIO_OPT_C_IO,
1892 .group = FIO_OPT_G_RANDOM,
1893 },
1894 {
1895 .name = "random_generator",
1896 .type = FIO_OPT_STR,
1897 .off1 = td_var_offset(random_generator),
1898 .help = "Type of random number generator to use",
1899 .def = "tausworthe",
1900 .posval = {
1901 { .ival = "tausworthe",
1902 .oval = FIO_RAND_GEN_TAUSWORTHE,
1903 .help = "Strong Tausworthe generator",
1904 },
1905 { .ival = "lfsr",
1906 .oval = FIO_RAND_GEN_LFSR,
1907 .help = "Variable length LFSR",
1908 },
1909 {
1910 .ival = "tausworthe64",
1911 .oval = FIO_RAND_GEN_TAUSWORTHE64,
1912 .help = "64-bit Tausworthe variant",
1913 },
1914 },
1915 .category = FIO_OPT_C_IO,
1916 .group = FIO_OPT_G_RANDOM,
1917 },
1918 {
1919 .name = "random_distribution",
1920 .type = FIO_OPT_STR,
1921 .off1 = td_var_offset(random_distribution),
1922 .cb = str_random_distribution_cb,
1923 .help = "Random offset distribution generator",
1924 .def = "random",
1925 .posval = {
1926 { .ival = "random",
1927 .oval = FIO_RAND_DIST_RANDOM,
1928 .help = "Completely random",
1929 },
1930 { .ival = "zipf",
1931 .oval = FIO_RAND_DIST_ZIPF,
1932 .help = "Zipf distribution",
1933 },
1934 { .ival = "pareto",
1935 .oval = FIO_RAND_DIST_PARETO,
1936 .help = "Pareto distribution",
1937 },
1938 { .ival = "normal",
1939 .oval = FIO_RAND_DIST_GAUSS,
1940 .help = "Normal (gaussian) distribution",
1941 },
1942 { .ival = "zoned",
1943 .oval = FIO_RAND_DIST_ZONED,
1944 .help = "Zoned random distribution",
1945 },
1946
1947 },
1948 .category = FIO_OPT_C_IO,
1949 .group = FIO_OPT_G_RANDOM,
1950 },
1951 {
1952 .name = "percentage_random",
1953 .lname = "Percentage Random",
1954 .type = FIO_OPT_INT,
1955 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1956 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1957 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
1958 .maxval = 100,
1959 .help = "Percentage of seq/random mix that should be random",
1960 .def = "100,100,100",
1961 .interval = 5,
1962 .inverse = "percentage_sequential",
1963 .category = FIO_OPT_C_IO,
1964 .group = FIO_OPT_G_RANDOM,
1965 },
1966 {
1967 .name = "percentage_sequential",
1968 .lname = "Percentage Sequential",
1969 .type = FIO_OPT_DEPRECATED,
1970 .category = FIO_OPT_C_IO,
1971 .group = FIO_OPT_G_RANDOM,
1972 },
1973 {
1974 .name = "allrandrepeat",
1975 .type = FIO_OPT_BOOL,
1976 .off1 = td_var_offset(allrand_repeatable),
1977 .help = "Use repeatable random numbers for everything",
1978 .def = "0",
1979 .category = FIO_OPT_C_IO,
1980 .group = FIO_OPT_G_RANDOM,
1981 },
1982 {
1983 .name = "nrfiles",
1984 .lname = "Number of files",
1985 .alias = "nr_files",
1986 .type = FIO_OPT_INT,
1987 .off1 = td_var_offset(nr_files),
1988 .help = "Split job workload between this number of files",
1989 .def = "1",
1990 .interval = 1,
1991 .category = FIO_OPT_C_FILE,
1992 .group = FIO_OPT_G_INVALID,
1993 },
1994 {
1995 .name = "openfiles",
1996 .lname = "Number of open files",
1997 .type = FIO_OPT_INT,
1998 .off1 = td_var_offset(open_files),
1999 .help = "Number of files to keep open at the same time",
2000 .category = FIO_OPT_C_FILE,
2001 .group = FIO_OPT_G_INVALID,
2002 },
2003 {
2004 .name = "file_service_type",
2005 .lname = "File service type",
2006 .type = FIO_OPT_STR,
2007 .cb = str_fst_cb,
2008 .off1 = td_var_offset(file_service_type),
2009 .help = "How to select which file to service next",
2010 .def = "roundrobin",
2011 .category = FIO_OPT_C_FILE,
2012 .group = FIO_OPT_G_INVALID,
2013 .posval = {
2014 { .ival = "random",
2015 .oval = FIO_FSERVICE_RANDOM,
2016 .help = "Choose a file at random",
2017 },
2018 { .ival = "roundrobin",
2019 .oval = FIO_FSERVICE_RR,
2020 .help = "Round robin select files",
2021 },
2022 { .ival = "sequential",
2023 .oval = FIO_FSERVICE_SEQ,
2024 .help = "Finish one file before moving to the next",
2025 },
2026 },
2027 .parent = "nrfiles",
2028 .hide = 1,
2029 },
2030#ifdef CONFIG_POSIX_FALLOCATE
2031 {
2032 .name = "fallocate",
2033 .lname = "Fallocate",
2034 .type = FIO_OPT_STR,
2035 .off1 = td_var_offset(fallocate_mode),
2036 .help = "Whether pre-allocation is performed when laying out files",
2037 .def = "posix",
2038 .category = FIO_OPT_C_FILE,
2039 .group = FIO_OPT_G_INVALID,
2040 .posval = {
2041 { .ival = "none",
2042 .oval = FIO_FALLOCATE_NONE,
2043 .help = "Do not pre-allocate space",
2044 },
2045 { .ival = "posix",
2046 .oval = FIO_FALLOCATE_POSIX,
2047 .help = "Use posix_fallocate()",
2048 },
2049#ifdef CONFIG_LINUX_FALLOCATE
2050 { .ival = "keep",
2051 .oval = FIO_FALLOCATE_KEEP_SIZE,
2052 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2053 },
2054#endif
2055 /* Compatibility with former boolean values */
2056 { .ival = "0",
2057 .oval = FIO_FALLOCATE_NONE,
2058 .help = "Alias for 'none'",
2059 },
2060 { .ival = "1",
2061 .oval = FIO_FALLOCATE_POSIX,
2062 .help = "Alias for 'posix'",
2063 },
2064 },
2065 },
2066#endif /* CONFIG_POSIX_FALLOCATE */
2067 {
2068 .name = "fadvise_hint",
2069 .lname = "Fadvise hint",
2070 .type = FIO_OPT_BOOL,
2071 .off1 = td_var_offset(fadvise_hint),
2072 .help = "Use fadvise() to advise the kernel on IO pattern",
2073 .def = "1",
2074 .category = FIO_OPT_C_FILE,
2075 .group = FIO_OPT_G_INVALID,
2076 },
2077#ifdef FIO_HAVE_STREAMID
2078 {
2079 .name = "fadvise_stream",
2080 .lname = "Fadvise stream",
2081 .type = FIO_OPT_INT,
2082 .off1 = td_var_offset(fadvise_stream),
2083 .help = "Use fadvise() to set stream ID",
2084 .category = FIO_OPT_C_FILE,
2085 .group = FIO_OPT_G_INVALID,
2086 },
2087#endif
2088 {
2089 .name = "fsync",
2090 .lname = "Fsync",
2091 .type = FIO_OPT_INT,
2092 .off1 = td_var_offset(fsync_blocks),
2093 .help = "Issue fsync for writes every given number of blocks",
2094 .def = "0",
2095 .interval = 1,
2096 .category = FIO_OPT_C_FILE,
2097 .group = FIO_OPT_G_INVALID,
2098 },
2099 {
2100 .name = "fdatasync",
2101 .lname = "Fdatasync",
2102 .type = FIO_OPT_INT,
2103 .off1 = td_var_offset(fdatasync_blocks),
2104 .help = "Issue fdatasync for writes every given number of blocks",
2105 .def = "0",
2106 .interval = 1,
2107 .category = FIO_OPT_C_FILE,
2108 .group = FIO_OPT_G_INVALID,
2109 },
2110 {
2111 .name = "write_barrier",
2112 .lname = "Write barrier",
2113 .type = FIO_OPT_INT,
2114 .off1 = td_var_offset(barrier_blocks),
2115 .help = "Make every Nth write a barrier write",
2116 .def = "0",
2117 .interval = 1,
2118 .category = FIO_OPT_C_IO,
2119 .group = FIO_OPT_G_INVALID,
2120 },
2121#ifdef CONFIG_SYNC_FILE_RANGE
2122 {
2123 .name = "sync_file_range",
2124 .lname = "Sync file range",
2125 .posval = {
2126 { .ival = "wait_before",
2127 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2128 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
2129 .orval = 1,
2130 },
2131 { .ival = "write",
2132 .oval = SYNC_FILE_RANGE_WRITE,
2133 .help = "SYNC_FILE_RANGE_WRITE",
2134 .orval = 1,
2135 },
2136 {
2137 .ival = "wait_after",
2138 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2139 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
2140 .orval = 1,
2141 },
2142 },
2143 .type = FIO_OPT_STR_MULTI,
2144 .cb = str_sfr_cb,
2145 .off1 = td_var_offset(sync_file_range),
2146 .help = "Use sync_file_range()",
2147 .category = FIO_OPT_C_FILE,
2148 .group = FIO_OPT_G_INVALID,
2149 },
2150#endif
2151 {
2152 .name = "direct",
2153 .lname = "Direct I/O",
2154 .type = FIO_OPT_BOOL,
2155 .off1 = td_var_offset(odirect),
2156 .help = "Use O_DIRECT IO (negates buffered)",
2157 .def = "0",
2158 .inverse = "buffered",
2159 .category = FIO_OPT_C_IO,
2160 .group = FIO_OPT_G_IO_TYPE,
2161 },
2162 {
2163 .name = "atomic",
2164 .lname = "Atomic I/O",
2165 .type = FIO_OPT_BOOL,
2166 .off1 = td_var_offset(oatomic),
2167 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2168 .def = "0",
2169 .category = FIO_OPT_C_IO,
2170 .group = FIO_OPT_G_IO_TYPE,
2171 },
2172 {
2173 .name = "buffered",
2174 .lname = "Buffered I/O",
2175 .type = FIO_OPT_BOOL,
2176 .off1 = td_var_offset(odirect),
2177 .neg = 1,
2178 .help = "Use buffered IO (negates direct)",
2179 .def = "1",
2180 .inverse = "direct",
2181 .category = FIO_OPT_C_IO,
2182 .group = FIO_OPT_G_IO_TYPE,
2183 },
2184 {
2185 .name = "overwrite",
2186 .lname = "Overwrite",
2187 .type = FIO_OPT_BOOL,
2188 .off1 = td_var_offset(overwrite),
2189 .help = "When writing, set whether to overwrite current data",
2190 .def = "0",
2191 .category = FIO_OPT_C_FILE,
2192 .group = FIO_OPT_G_INVALID,
2193 },
2194 {
2195 .name = "loops",
2196 .lname = "Loops",
2197 .type = FIO_OPT_INT,
2198 .off1 = td_var_offset(loops),
2199 .help = "Number of times to run the job",
2200 .def = "1",
2201 .interval = 1,
2202 .category = FIO_OPT_C_GENERAL,
2203 .group = FIO_OPT_G_RUNTIME,
2204 },
2205 {
2206 .name = "numjobs",
2207 .lname = "Number of jobs",
2208 .type = FIO_OPT_INT,
2209 .off1 = td_var_offset(numjobs),
2210 .help = "Duplicate this job this many times",
2211 .def = "1",
2212 .interval = 1,
2213 .category = FIO_OPT_C_GENERAL,
2214 .group = FIO_OPT_G_RUNTIME,
2215 },
2216 {
2217 .name = "startdelay",
2218 .lname = "Start delay",
2219 .type = FIO_OPT_STR_VAL_TIME,
2220 .off1 = td_var_offset(start_delay),
2221 .off2 = td_var_offset(start_delay_high),
2222 .help = "Only start job when this period has passed",
2223 .def = "0",
2224 .is_seconds = 1,
2225 .is_time = 1,
2226 .category = FIO_OPT_C_GENERAL,
2227 .group = FIO_OPT_G_RUNTIME,
2228 },
2229 {
2230 .name = "runtime",
2231 .lname = "Runtime",
2232 .alias = "timeout",
2233 .type = FIO_OPT_STR_VAL_TIME,
2234 .off1 = td_var_offset(timeout),
2235 .help = "Stop workload when this amount of time has passed",
2236 .def = "0",
2237 .is_seconds = 1,
2238 .is_time = 1,
2239 .category = FIO_OPT_C_GENERAL,
2240 .group = FIO_OPT_G_RUNTIME,
2241 },
2242 {
2243 .name = "time_based",
2244 .lname = "Time based",
2245 .type = FIO_OPT_STR_SET,
2246 .off1 = td_var_offset(time_based),
2247 .help = "Keep running until runtime/timeout is met",
2248 .category = FIO_OPT_C_GENERAL,
2249 .group = FIO_OPT_G_RUNTIME,
2250 },
2251 {
2252 .name = "verify_only",
2253 .lname = "Verify only",
2254 .type = FIO_OPT_STR_SET,
2255 .off1 = td_var_offset(verify_only),
2256 .help = "Verifies previously written data is still valid",
2257 .category = FIO_OPT_C_GENERAL,
2258 .group = FIO_OPT_G_RUNTIME,
2259 },
2260 {
2261 .name = "ramp_time",
2262 .lname = "Ramp time",
2263 .type = FIO_OPT_STR_VAL_TIME,
2264 .off1 = td_var_offset(ramp_time),
2265 .help = "Ramp up time before measuring performance",
2266 .is_seconds = 1,
2267 .is_time = 1,
2268 .category = FIO_OPT_C_GENERAL,
2269 .group = FIO_OPT_G_RUNTIME,
2270 },
2271 {
2272 .name = "clocksource",
2273 .lname = "Clock source",
2274 .type = FIO_OPT_STR,
2275 .cb = fio_clock_source_cb,
2276 .off1 = td_var_offset(clocksource),
2277 .help = "What type of timing source to use",
2278 .category = FIO_OPT_C_GENERAL,
2279 .group = FIO_OPT_G_CLOCK,
2280 .posval = {
2281#ifdef CONFIG_GETTIMEOFDAY
2282 { .ival = "gettimeofday",
2283 .oval = CS_GTOD,
2284 .help = "Use gettimeofday(2) for timing",
2285 },
2286#endif
2287#ifdef CONFIG_CLOCK_GETTIME
2288 { .ival = "clock_gettime",
2289 .oval = CS_CGETTIME,
2290 .help = "Use clock_gettime(2) for timing",
2291 },
2292#endif
2293#ifdef ARCH_HAVE_CPU_CLOCK
2294 { .ival = "cpu",
2295 .oval = CS_CPUCLOCK,
2296 .help = "Use CPU private clock",
2297 },
2298#endif
2299 },
2300 },
2301 {
2302 .name = "mem",
2303 .alias = "iomem",
2304 .lname = "I/O Memory",
2305 .type = FIO_OPT_STR,
2306 .cb = str_mem_cb,
2307 .off1 = td_var_offset(mem_type),
2308 .help = "Backing type for IO buffers",
2309 .def = "malloc",
2310 .category = FIO_OPT_C_IO,
2311 .group = FIO_OPT_G_INVALID,
2312 .posval = {
2313 { .ival = "malloc",
2314 .oval = MEM_MALLOC,
2315 .help = "Use malloc(3) for IO buffers",
2316 },
2317#ifndef CONFIG_NO_SHM
2318 { .ival = "shm",
2319 .oval = MEM_SHM,
2320 .help = "Use shared memory segments for IO buffers",
2321 },
2322#ifdef FIO_HAVE_HUGETLB
2323 { .ival = "shmhuge",
2324 .oval = MEM_SHMHUGE,
2325 .help = "Like shm, but use huge pages",
2326 },
2327#endif
2328#endif
2329 { .ival = "mmap",
2330 .oval = MEM_MMAP,
2331 .help = "Use mmap(2) (file or anon) for IO buffers",
2332 },
2333 { .ival = "mmapshared",
2334 .oval = MEM_MMAPSHARED,
2335 .help = "Like mmap, but use the shared flag",
2336 },
2337#ifdef FIO_HAVE_HUGETLB
2338 { .ival = "mmaphuge",
2339 .oval = MEM_MMAPHUGE,
2340 .help = "Like mmap, but use huge pages",
2341 },
2342#endif
2343 },
2344 },
2345 {
2346 .name = "iomem_align",
2347 .alias = "mem_align",
2348 .lname = "I/O memory alignment",
2349 .type = FIO_OPT_INT,
2350 .off1 = td_var_offset(mem_align),
2351 .minval = 0,
2352 .help = "IO memory buffer offset alignment",
2353 .def = "0",
2354 .parent = "iomem",
2355 .hide = 1,
2356 .category = FIO_OPT_C_IO,
2357 .group = FIO_OPT_G_INVALID,
2358 },
2359 {
2360 .name = "verify",
2361 .lname = "Verify",
2362 .type = FIO_OPT_STR,
2363 .off1 = td_var_offset(verify),
2364 .help = "Verify data written",
2365 .def = "0",
2366 .category = FIO_OPT_C_IO,
2367 .group = FIO_OPT_G_VERIFY,
2368 .posval = {
2369 { .ival = "0",
2370 .oval = VERIFY_NONE,
2371 .help = "Don't do IO verification",
2372 },
2373 { .ival = "md5",
2374 .oval = VERIFY_MD5,
2375 .help = "Use md5 checksums for verification",
2376 },
2377 { .ival = "crc64",
2378 .oval = VERIFY_CRC64,
2379 .help = "Use crc64 checksums for verification",
2380 },
2381 { .ival = "crc32",
2382 .oval = VERIFY_CRC32,
2383 .help = "Use crc32 checksums for verification",
2384 },
2385 { .ival = "crc32c-intel",
2386 .oval = VERIFY_CRC32C,
2387 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2388 },
2389 { .ival = "crc32c",
2390 .oval = VERIFY_CRC32C,
2391 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2392 },
2393 { .ival = "crc16",
2394 .oval = VERIFY_CRC16,
2395 .help = "Use crc16 checksums for verification",
2396 },
2397 { .ival = "crc7",
2398 .oval = VERIFY_CRC7,
2399 .help = "Use crc7 checksums for verification",
2400 },
2401 { .ival = "sha1",
2402 .oval = VERIFY_SHA1,
2403 .help = "Use sha1 checksums for verification",
2404 },
2405 { .ival = "sha256",
2406 .oval = VERIFY_SHA256,
2407 .help = "Use sha256 checksums for verification",
2408 },
2409 { .ival = "sha512",
2410 .oval = VERIFY_SHA512,
2411 .help = "Use sha512 checksums for verification",
2412 },
2413 { .ival = "xxhash",
2414 .oval = VERIFY_XXHASH,
2415 .help = "Use xxhash checksums for verification",
2416 },
2417 /* Meta information was included into verify_header,
2418 * 'meta' verification is implied by default. */
2419 { .ival = "meta",
2420 .oval = VERIFY_HDR_ONLY,
2421 .help = "Use io information for verification. "
2422 "Now is implied by default, thus option is obsolete, "
2423 "don't use it",
2424 },
2425 { .ival = "pattern",
2426 .oval = VERIFY_PATTERN_NO_HDR,
2427 .help = "Verify strict pattern",
2428 },
2429 {
2430 .ival = "null",
2431 .oval = VERIFY_NULL,
2432 .help = "Pretend to verify",
2433 },
2434 },
2435 },
2436 {
2437 .name = "do_verify",
2438 .lname = "Perform verify step",
2439 .type = FIO_OPT_BOOL,
2440 .off1 = td_var_offset(do_verify),
2441 .help = "Run verification stage after write",
2442 .def = "1",
2443 .parent = "verify",
2444 .hide = 1,
2445 .category = FIO_OPT_C_IO,
2446 .group = FIO_OPT_G_VERIFY,
2447 },
2448 {
2449 .name = "verifysort",
2450 .lname = "Verify sort",
2451 .type = FIO_OPT_BOOL,
2452 .off1 = td_var_offset(verifysort),
2453 .help = "Sort written verify blocks for read back",
2454 .def = "1",
2455 .parent = "verify",
2456 .hide = 1,
2457 .category = FIO_OPT_C_IO,
2458 .group = FIO_OPT_G_VERIFY,
2459 },
2460 {
2461 .name = "verifysort_nr",
2462 .type = FIO_OPT_INT,
2463 .off1 = td_var_offset(verifysort_nr),
2464 .help = "Pre-load and sort verify blocks for a read workload",
2465 .minval = 0,
2466 .maxval = 131072,
2467 .def = "1024",
2468 .parent = "verify",
2469 .category = FIO_OPT_C_IO,
2470 .group = FIO_OPT_G_VERIFY,
2471 },
2472 {
2473 .name = "verify_interval",
2474 .lname = "Verify interval",
2475 .type = FIO_OPT_INT,
2476 .off1 = td_var_offset(verify_interval),
2477 .minval = 2 * sizeof(struct verify_header),
2478 .help = "Store verify buffer header every N bytes",
2479 .parent = "verify",
2480 .hide = 1,
2481 .interval = 2 * sizeof(struct verify_header),
2482 .category = FIO_OPT_C_IO,
2483 .group = FIO_OPT_G_VERIFY,
2484 },
2485 {
2486 .name = "verify_offset",
2487 .lname = "Verify offset",
2488 .type = FIO_OPT_INT,
2489 .help = "Offset verify header location by N bytes",
2490 .off1 = td_var_offset(verify_offset),
2491 .minval = sizeof(struct verify_header),
2492 .parent = "verify",
2493 .hide = 1,
2494 .category = FIO_OPT_C_IO,
2495 .group = FIO_OPT_G_VERIFY,
2496 },
2497 {
2498 .name = "verify_pattern",
2499 .lname = "Verify pattern",
2500 .type = FIO_OPT_STR,
2501 .cb = str_verify_pattern_cb,
2502 .off1 = td_var_offset(verify_pattern),
2503 .help = "Fill pattern for IO buffers",
2504 .parent = "verify",
2505 .hide = 1,
2506 .category = FIO_OPT_C_IO,
2507 .group = FIO_OPT_G_VERIFY,
2508 },
2509 {
2510 .name = "verify_fatal",
2511 .lname = "Verify fatal",
2512 .type = FIO_OPT_BOOL,
2513 .off1 = td_var_offset(verify_fatal),
2514 .def = "0",
2515 .help = "Exit on a single verify failure, don't continue",
2516 .parent = "verify",
2517 .hide = 1,
2518 .category = FIO_OPT_C_IO,
2519 .group = FIO_OPT_G_VERIFY,
2520 },
2521 {
2522 .name = "verify_dump",
2523 .lname = "Verify dump",
2524 .type = FIO_OPT_BOOL,
2525 .off1 = td_var_offset(verify_dump),
2526 .def = "0",
2527 .help = "Dump contents of good and bad blocks on failure",
2528 .parent = "verify",
2529 .hide = 1,
2530 .category = FIO_OPT_C_IO,
2531 .group = FIO_OPT_G_VERIFY,
2532 },
2533 {
2534 .name = "verify_async",
2535 .lname = "Verify asynchronously",
2536 .type = FIO_OPT_INT,
2537 .off1 = td_var_offset(verify_async),
2538 .def = "0",
2539 .help = "Number of async verifier threads to use",
2540 .parent = "verify",
2541 .hide = 1,
2542 .category = FIO_OPT_C_IO,
2543 .group = FIO_OPT_G_VERIFY,
2544 },
2545 {
2546 .name = "verify_backlog",
2547 .lname = "Verify backlog",
2548 .type = FIO_OPT_STR_VAL,
2549 .off1 = td_var_offset(verify_backlog),
2550 .help = "Verify after this number of blocks are written",
2551 .parent = "verify",
2552 .hide = 1,
2553 .category = FIO_OPT_C_IO,
2554 .group = FIO_OPT_G_VERIFY,
2555 },
2556 {
2557 .name = "verify_backlog_batch",
2558 .lname = "Verify backlog batch",
2559 .type = FIO_OPT_INT,
2560 .off1 = td_var_offset(verify_batch),
2561 .help = "Verify this number of IO blocks",
2562 .parent = "verify",
2563 .hide = 1,
2564 .category = FIO_OPT_C_IO,
2565 .group = FIO_OPT_G_VERIFY,
2566 },
2567#ifdef FIO_HAVE_CPU_AFFINITY
2568 {
2569 .name = "verify_async_cpus",
2570 .lname = "Async verify CPUs",
2571 .type = FIO_OPT_STR,
2572 .cb = str_verify_cpus_allowed_cb,
2573 .off1 = td_var_offset(verify_cpumask),
2574 .help = "Set CPUs allowed for async verify threads",
2575 .parent = "verify_async",
2576 .hide = 1,
2577 .category = FIO_OPT_C_IO,
2578 .group = FIO_OPT_G_VERIFY,
2579 },
2580#endif
2581 {
2582 .name = "experimental_verify",
2583 .off1 = td_var_offset(experimental_verify),
2584 .type = FIO_OPT_BOOL,
2585 .help = "Enable experimental verification",
2586 .parent = "verify",
2587 .category = FIO_OPT_C_IO,
2588 .group = FIO_OPT_G_VERIFY,
2589 },
2590 {
2591 .name = "verify_state_load",
2592 .lname = "Load verify state",
2593 .off1 = td_var_offset(verify_state),
2594 .type = FIO_OPT_BOOL,
2595 .help = "Load verify termination state",
2596 .parent = "verify",
2597 .category = FIO_OPT_C_IO,
2598 .group = FIO_OPT_G_VERIFY,
2599 },
2600 {
2601 .name = "verify_state_save",
2602 .lname = "Save verify state",
2603 .off1 = td_var_offset(verify_state_save),
2604 .type = FIO_OPT_BOOL,
2605 .def = "1",
2606 .help = "Save verify state on termination",
2607 .parent = "verify",
2608 .category = FIO_OPT_C_IO,
2609 .group = FIO_OPT_G_VERIFY,
2610 },
2611#ifdef FIO_HAVE_TRIM
2612 {
2613 .name = "trim_percentage",
2614 .lname = "Trim percentage",
2615 .type = FIO_OPT_INT,
2616 .off1 = td_var_offset(trim_percentage),
2617 .minval = 0,
2618 .maxval = 100,
2619 .help = "Number of verify blocks to discard/trim",
2620 .parent = "verify",
2621 .def = "0",
2622 .interval = 1,
2623 .hide = 1,
2624 .category = FIO_OPT_C_IO,
2625 .group = FIO_OPT_G_TRIM,
2626 },
2627 {
2628 .name = "trim_verify_zero",
2629 .lname = "Verify trim zero",
2630 .type = FIO_OPT_BOOL,
2631 .help = "Verify that trim/discarded blocks are returned as zeroes",
2632 .off1 = td_var_offset(trim_zero),
2633 .parent = "trim_percentage",
2634 .hide = 1,
2635 .def = "1",
2636 .category = FIO_OPT_C_IO,
2637 .group = FIO_OPT_G_TRIM,
2638 },
2639 {
2640 .name = "trim_backlog",
2641 .lname = "Trim backlog",
2642 .type = FIO_OPT_STR_VAL,
2643 .off1 = td_var_offset(trim_backlog),
2644 .help = "Trim after this number of blocks are written",
2645 .parent = "trim_percentage",
2646 .hide = 1,
2647 .interval = 1,
2648 .category = FIO_OPT_C_IO,
2649 .group = FIO_OPT_G_TRIM,
2650 },
2651 {
2652 .name = "trim_backlog_batch",
2653 .lname = "Trim backlog batch",
2654 .type = FIO_OPT_INT,
2655 .off1 = td_var_offset(trim_batch),
2656 .help = "Trim this number of IO blocks",
2657 .parent = "trim_percentage",
2658 .hide = 1,
2659 .interval = 1,
2660 .category = FIO_OPT_C_IO,
2661 .group = FIO_OPT_G_TRIM,
2662 },
2663#endif
2664 {
2665 .name = "write_iolog",
2666 .lname = "Write I/O log",
2667 .type = FIO_OPT_STR_STORE,
2668 .off1 = td_var_offset(write_iolog_file),
2669 .help = "Store IO pattern to file",
2670 .category = FIO_OPT_C_IO,
2671 .group = FIO_OPT_G_IOLOG,
2672 },
2673 {
2674 .name = "read_iolog",
2675 .lname = "Read I/O log",
2676 .type = FIO_OPT_STR_STORE,
2677 .off1 = td_var_offset(read_iolog_file),
2678 .help = "Playback IO pattern from file",
2679 .category = FIO_OPT_C_IO,
2680 .group = FIO_OPT_G_IOLOG,
2681 },
2682 {
2683 .name = "replay_no_stall",
2684 .lname = "Don't stall on replay",
2685 .type = FIO_OPT_BOOL,
2686 .off1 = td_var_offset(no_stall),
2687 .def = "0",
2688 .parent = "read_iolog",
2689 .hide = 1,
2690 .help = "Playback IO pattern file as fast as possible without stalls",
2691 .category = FIO_OPT_C_IO,
2692 .group = FIO_OPT_G_IOLOG,
2693 },
2694 {
2695 .name = "replay_redirect",
2696 .lname = "Redirect device for replay",
2697 .type = FIO_OPT_STR_STORE,
2698 .off1 = td_var_offset(replay_redirect),
2699 .parent = "read_iolog",
2700 .hide = 1,
2701 .help = "Replay all I/O onto this device, regardless of trace device",
2702 .category = FIO_OPT_C_IO,
2703 .group = FIO_OPT_G_IOLOG,
2704 },
2705 {
2706 .name = "replay_scale",
2707 .lname = "Replace offset scale factor",
2708 .type = FIO_OPT_INT,
2709 .off1 = td_var_offset(replay_scale),
2710 .parent = "read_iolog",
2711 .def = "1",
2712 .help = "Align offsets to this blocksize",
2713 .category = FIO_OPT_C_IO,
2714 .group = FIO_OPT_G_IOLOG,
2715 },
2716 {
2717 .name = "replay_align",
2718 .lname = "Replace alignment",
2719 .type = FIO_OPT_INT,
2720 .off1 = td_var_offset(replay_align),
2721 .parent = "read_iolog",
2722 .help = "Scale offset down by this factor",
2723 .category = FIO_OPT_C_IO,
2724 .group = FIO_OPT_G_IOLOG,
2725 .pow2 = 1,
2726 },
2727 {
2728 .name = "exec_prerun",
2729 .lname = "Pre-execute runnable",
2730 .type = FIO_OPT_STR_STORE,
2731 .off1 = td_var_offset(exec_prerun),
2732 .help = "Execute this file prior to running job",
2733 .category = FIO_OPT_C_GENERAL,
2734 .group = FIO_OPT_G_INVALID,
2735 },
2736 {
2737 .name = "exec_postrun",
2738 .lname = "Post-execute runnable",
2739 .type = FIO_OPT_STR_STORE,
2740 .off1 = td_var_offset(exec_postrun),
2741 .help = "Execute this file after running job",
2742 .category = FIO_OPT_C_GENERAL,
2743 .group = FIO_OPT_G_INVALID,
2744 },
2745#ifdef FIO_HAVE_IOSCHED_SWITCH
2746 {
2747 .name = "ioscheduler",
2748 .lname = "I/O scheduler",
2749 .type = FIO_OPT_STR_STORE,
2750 .off1 = td_var_offset(ioscheduler),
2751 .help = "Use this IO scheduler on the backing device",
2752 .category = FIO_OPT_C_FILE,
2753 .group = FIO_OPT_G_INVALID,
2754 },
2755#endif
2756 {
2757 .name = "zonesize",
2758 .lname = "Zone size",
2759 .type = FIO_OPT_STR_VAL,
2760 .off1 = td_var_offset(zone_size),
2761 .help = "Amount of data to read per zone",
2762 .def = "0",
2763 .interval = 1024 * 1024,
2764 .category = FIO_OPT_C_IO,
2765 .group = FIO_OPT_G_ZONE,
2766 },
2767 {
2768 .name = "zonerange",
2769 .lname = "Zone range",
2770 .type = FIO_OPT_STR_VAL,
2771 .off1 = td_var_offset(zone_range),
2772 .help = "Give size of an IO zone",
2773 .def = "0",
2774 .interval = 1024 * 1024,
2775 .category = FIO_OPT_C_IO,
2776 .group = FIO_OPT_G_ZONE,
2777 },
2778 {
2779 .name = "zoneskip",
2780 .lname = "Zone skip",
2781 .type = FIO_OPT_STR_VAL,
2782 .off1 = td_var_offset(zone_skip),
2783 .help = "Space between IO zones",
2784 .def = "0",
2785 .interval = 1024 * 1024,
2786 .category = FIO_OPT_C_IO,
2787 .group = FIO_OPT_G_ZONE,
2788 },
2789 {
2790 .name = "lockmem",
2791 .lname = "Lock memory",
2792 .type = FIO_OPT_STR_VAL,
2793 .off1 = td_var_offset(lockmem),
2794 .help = "Lock down this amount of memory (per worker)",
2795 .def = "0",
2796 .interval = 1024 * 1024,
2797 .category = FIO_OPT_C_GENERAL,
2798 .group = FIO_OPT_G_INVALID,
2799 },
2800 {
2801 .name = "rwmixread",
2802 .lname = "Read/write mix read",
2803 .type = FIO_OPT_INT,
2804 .cb = str_rwmix_read_cb,
2805 .off1 = td_var_offset(rwmix[DDIR_READ]),
2806 .maxval = 100,
2807 .help = "Percentage of mixed workload that is reads",
2808 .def = "50",
2809 .interval = 5,
2810 .inverse = "rwmixwrite",
2811 .category = FIO_OPT_C_IO,
2812 .group = FIO_OPT_G_RWMIX,
2813 },
2814 {
2815 .name = "rwmixwrite",
2816 .lname = "Read/write mix write",
2817 .type = FIO_OPT_INT,
2818 .cb = str_rwmix_write_cb,
2819 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
2820 .maxval = 100,
2821 .help = "Percentage of mixed workload that is writes",
2822 .def = "50",
2823 .interval = 5,
2824 .inverse = "rwmixread",
2825 .category = FIO_OPT_C_IO,
2826 .group = FIO_OPT_G_RWMIX,
2827 },
2828 {
2829 .name = "rwmixcycle",
2830 .lname = "Read/write mix cycle",
2831 .type = FIO_OPT_DEPRECATED,
2832 .category = FIO_OPT_C_IO,
2833 .group = FIO_OPT_G_RWMIX,
2834 },
2835 {
2836 .name = "nice",
2837 .lname = "Nice",
2838 .type = FIO_OPT_INT,
2839 .off1 = td_var_offset(nice),
2840 .help = "Set job CPU nice value",
2841 .minval = -19,
2842 .maxval = 20,
2843 .def = "0",
2844 .interval = 1,
2845 .category = FIO_OPT_C_GENERAL,
2846 .group = FIO_OPT_G_CRED,
2847 },
2848#ifdef FIO_HAVE_IOPRIO
2849 {
2850 .name = "prio",
2851 .lname = "I/O nice priority",
2852 .type = FIO_OPT_INT,
2853 .off1 = td_var_offset(ioprio),
2854 .help = "Set job IO priority value",
2855 .minval = 0,
2856 .maxval = 7,
2857 .interval = 1,
2858 .category = FIO_OPT_C_GENERAL,
2859 .group = FIO_OPT_G_CRED,
2860 },
2861 {
2862 .name = "prioclass",
2863 .lname = "I/O nice priority class",
2864 .type = FIO_OPT_INT,
2865 .off1 = td_var_offset(ioprio_class),
2866 .help = "Set job IO priority class",
2867 .minval = 0,
2868 .maxval = 3,
2869 .interval = 1,
2870 .category = FIO_OPT_C_GENERAL,
2871 .group = FIO_OPT_G_CRED,
2872 },
2873#endif
2874 {
2875 .name = "thinktime",
2876 .lname = "Thinktime",
2877 .type = FIO_OPT_INT,
2878 .off1 = td_var_offset(thinktime),
2879 .help = "Idle time between IO buffers (usec)",
2880 .def = "0",
2881 .is_time = 1,
2882 .category = FIO_OPT_C_IO,
2883 .group = FIO_OPT_G_THINKTIME,
2884 },
2885 {
2886 .name = "thinktime_spin",
2887 .lname = "Thinktime spin",
2888 .type = FIO_OPT_INT,
2889 .off1 = td_var_offset(thinktime_spin),
2890 .help = "Start think time by spinning this amount (usec)",
2891 .def = "0",
2892 .is_time = 1,
2893 .parent = "thinktime",
2894 .hide = 1,
2895 .category = FIO_OPT_C_IO,
2896 .group = FIO_OPT_G_THINKTIME,
2897 },
2898 {
2899 .name = "thinktime_blocks",
2900 .lname = "Thinktime blocks",
2901 .type = FIO_OPT_INT,
2902 .off1 = td_var_offset(thinktime_blocks),
2903 .help = "IO buffer period between 'thinktime'",
2904 .def = "1",
2905 .parent = "thinktime",
2906 .hide = 1,
2907 .category = FIO_OPT_C_IO,
2908 .group = FIO_OPT_G_THINKTIME,
2909 },
2910 {
2911 .name = "rate",
2912 .lname = "I/O rate",
2913 .type = FIO_OPT_INT,
2914 .off1 = td_var_offset(rate[DDIR_READ]),
2915 .off2 = td_var_offset(rate[DDIR_WRITE]),
2916 .off3 = td_var_offset(rate[DDIR_TRIM]),
2917 .help = "Set bandwidth rate",
2918 .category = FIO_OPT_C_IO,
2919 .group = FIO_OPT_G_RATE,
2920 },
2921 {
2922 .name = "rate_min",
2923 .alias = "ratemin",
2924 .lname = "I/O min rate",
2925 .type = FIO_OPT_INT,
2926 .off1 = td_var_offset(ratemin[DDIR_READ]),
2927 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2928 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
2929 .help = "Job must meet this rate or it will be shutdown",
2930 .parent = "rate",
2931 .hide = 1,
2932 .category = FIO_OPT_C_IO,
2933 .group = FIO_OPT_G_RATE,
2934 },
2935 {
2936 .name = "rate_iops",
2937 .lname = "I/O rate IOPS",
2938 .type = FIO_OPT_INT,
2939 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2940 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2941 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
2942 .help = "Limit IO used to this number of IO operations/sec",
2943 .hide = 1,
2944 .category = FIO_OPT_C_IO,
2945 .group = FIO_OPT_G_RATE,
2946 },
2947 {
2948 .name = "rate_iops_min",
2949 .lname = "I/O min rate IOPS",
2950 .type = FIO_OPT_INT,
2951 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2952 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2953 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
2954 .help = "Job must meet this rate or it will be shut down",
2955 .parent = "rate_iops",
2956 .hide = 1,
2957 .category = FIO_OPT_C_IO,
2958 .group = FIO_OPT_G_RATE,
2959 },
2960 {
2961 .name = "rate_process",
2962 .lname = "Rate Process",
2963 .type = FIO_OPT_STR,
2964 .off1 = td_var_offset(rate_process),
2965 .help = "What process controls how rated IO is managed",
2966 .def = "linear",
2967 .category = FIO_OPT_C_IO,
2968 .group = FIO_OPT_G_RATE,
2969 .posval = {
2970 { .ival = "linear",
2971 .oval = RATE_PROCESS_LINEAR,
2972 .help = "Linear rate of IO",
2973 },
2974 {
2975 .ival = "poisson",
2976 .oval = RATE_PROCESS_POISSON,
2977 .help = "Rate follows Poisson process",
2978 },
2979 },
2980 .parent = "rate",
2981 },
2982 {
2983 .name = "rate_cycle",
2984 .alias = "ratecycle",
2985 .lname = "I/O rate cycle",
2986 .type = FIO_OPT_INT,
2987 .off1 = td_var_offset(ratecycle),
2988 .help = "Window average for rate limits (msec)",
2989 .def = "1000",
2990 .parent = "rate",
2991 .hide = 1,
2992 .category = FIO_OPT_C_IO,
2993 .group = FIO_OPT_G_RATE,
2994 },
2995 {
2996 .name = "max_latency",
2997 .type = FIO_OPT_INT,
2998 .off1 = td_var_offset(max_latency),
2999 .help = "Maximum tolerated IO latency (usec)",
3000 .is_time = 1,
3001 .category = FIO_OPT_C_IO,
3002 .group = FIO_OPT_G_LATPROF,
3003 },
3004 {
3005 .name = "latency_target",
3006 .lname = "Latency Target (usec)",
3007 .type = FIO_OPT_STR_VAL_TIME,
3008 .off1 = td_var_offset(latency_target),
3009 .help = "Ramp to max queue depth supporting this latency",
3010 .is_time = 1,
3011 .category = FIO_OPT_C_IO,
3012 .group = FIO_OPT_G_LATPROF,
3013 },
3014 {
3015 .name = "latency_window",
3016 .lname = "Latency Window (usec)",
3017 .type = FIO_OPT_STR_VAL_TIME,
3018 .off1 = td_var_offset(latency_window),
3019 .help = "Time to sustain latency_target",
3020 .is_time = 1,
3021 .category = FIO_OPT_C_IO,
3022 .group = FIO_OPT_G_LATPROF,
3023 },
3024 {
3025 .name = "latency_percentile",
3026 .lname = "Latency Percentile",
3027 .type = FIO_OPT_FLOAT_LIST,
3028 .off1 = td_var_offset(latency_percentile),
3029 .help = "Percentile of IOs must be below latency_target",
3030 .def = "100",
3031 .maxlen = 1,
3032 .minfp = 0.0,
3033 .maxfp = 100.0,
3034 .category = FIO_OPT_C_IO,
3035 .group = FIO_OPT_G_LATPROF,
3036 },
3037 {
3038 .name = "invalidate",
3039 .lname = "Cache invalidate",
3040 .type = FIO_OPT_BOOL,
3041 .off1 = td_var_offset(invalidate_cache),
3042 .help = "Invalidate buffer/page cache prior to running job",
3043 .def = "1",
3044 .category = FIO_OPT_C_IO,
3045 .group = FIO_OPT_G_IO_TYPE,
3046 },
3047 {
3048 .name = "sync",
3049 .lname = "Synchronous I/O",
3050 .type = FIO_OPT_BOOL,
3051 .off1 = td_var_offset(sync_io),
3052 .help = "Use O_SYNC for buffered writes",
3053 .def = "0",
3054 .parent = "buffered",
3055 .hide = 1,
3056 .category = FIO_OPT_C_IO,
3057 .group = FIO_OPT_G_IO_TYPE,
3058 },
3059 {
3060 .name = "create_serialize",
3061 .lname = "Create serialize",
3062 .type = FIO_OPT_BOOL,
3063 .off1 = td_var_offset(create_serialize),
3064 .help = "Serialize creating of job files",
3065 .def = "1",
3066 .category = FIO_OPT_C_FILE,
3067 .group = FIO_OPT_G_INVALID,
3068 },
3069 {
3070 .name = "create_fsync",
3071 .lname = "Create fsync",
3072 .type = FIO_OPT_BOOL,
3073 .off1 = td_var_offset(create_fsync),
3074 .help = "fsync file after creation",
3075 .def = "1",
3076 .category = FIO_OPT_C_FILE,
3077 .group = FIO_OPT_G_INVALID,
3078 },
3079 {
3080 .name = "create_on_open",
3081 .lname = "Create on open",
3082 .type = FIO_OPT_BOOL,
3083 .off1 = td_var_offset(create_on_open),
3084 .help = "Create files when they are opened for IO",
3085 .def = "0",
3086 .category = FIO_OPT_C_FILE,
3087 .group = FIO_OPT_G_INVALID,
3088 },
3089 {
3090 .name = "create_only",
3091 .type = FIO_OPT_BOOL,
3092 .off1 = td_var_offset(create_only),
3093 .help = "Only perform file creation phase",
3094 .category = FIO_OPT_C_FILE,
3095 .def = "0",
3096 },
3097 {
3098 .name = "allow_file_create",
3099 .lname = "Allow file create",
3100 .type = FIO_OPT_BOOL,
3101 .off1 = td_var_offset(allow_create),
3102 .help = "Permit fio to create files, if they don't exist",
3103 .def = "1",
3104 .category = FIO_OPT_C_FILE,
3105 .group = FIO_OPT_G_FILENAME,
3106 },
3107 {
3108 .name = "allow_mounted_write",
3109 .lname = "Allow mounted write",
3110 .type = FIO_OPT_BOOL,
3111 .off1 = td_var_offset(allow_mounted_write),
3112 .help = "Allow writes to a mounted partition",
3113 .def = "0",
3114 .category = FIO_OPT_C_FILE,
3115 .group = FIO_OPT_G_FILENAME,
3116 },
3117 {
3118 .name = "pre_read",
3119 .lname = "Pre-read files",
3120 .type = FIO_OPT_BOOL,
3121 .off1 = td_var_offset(pre_read),
3122 .help = "Pre-read files before starting official testing",
3123 .def = "0",
3124 .category = FIO_OPT_C_FILE,
3125 .group = FIO_OPT_G_INVALID,
3126 },
3127#ifdef FIO_HAVE_CPU_AFFINITY
3128 {
3129 .name = "cpumask",
3130 .lname = "CPU mask",
3131 .type = FIO_OPT_INT,
3132 .cb = str_cpumask_cb,
3133 .off1 = td_var_offset(cpumask),
3134 .help = "CPU affinity mask",
3135 .category = FIO_OPT_C_GENERAL,
3136 .group = FIO_OPT_G_CRED,
3137 },
3138 {
3139 .name = "cpus_allowed",
3140 .lname = "CPUs allowed",
3141 .type = FIO_OPT_STR,
3142 .cb = str_cpus_allowed_cb,
3143 .off1 = td_var_offset(cpumask),
3144 .help = "Set CPUs allowed",
3145 .category = FIO_OPT_C_GENERAL,
3146 .group = FIO_OPT_G_CRED,
3147 },
3148 {
3149 .name = "cpus_allowed_policy",
3150 .lname = "CPUs allowed distribution policy",
3151 .type = FIO_OPT_STR,
3152 .off1 = td_var_offset(cpus_allowed_policy),
3153 .help = "Distribution policy for cpus_allowed",
3154 .parent = "cpus_allowed",
3155 .prio = 1,
3156 .posval = {
3157 { .ival = "shared",
3158 .oval = FIO_CPUS_SHARED,
3159 .help = "Mask shared between threads",
3160 },
3161 { .ival = "split",
3162 .oval = FIO_CPUS_SPLIT,
3163 .help = "Mask split between threads",
3164 },
3165 },
3166 .category = FIO_OPT_C_GENERAL,
3167 .group = FIO_OPT_G_CRED,
3168 },
3169#endif
3170#ifdef CONFIG_LIBNUMA
3171 {
3172 .name = "numa_cpu_nodes",
3173 .type = FIO_OPT_STR,
3174 .cb = str_numa_cpunodes_cb,
3175 .off1 = td_var_offset(numa_cpunodes),
3176 .help = "NUMA CPU nodes bind",
3177 .category = FIO_OPT_C_GENERAL,
3178 .group = FIO_OPT_G_INVALID,
3179 },
3180 {
3181 .name = "numa_mem_policy",
3182 .type = FIO_OPT_STR,
3183 .cb = str_numa_mpol_cb,
3184 .off1 = td_var_offset(numa_memnodes),
3185 .help = "NUMA memory policy setup",
3186 .category = FIO_OPT_C_GENERAL,
3187 .group = FIO_OPT_G_INVALID,
3188 },
3189#endif
3190 {
3191 .name = "end_fsync",
3192 .lname = "End fsync",
3193 .type = FIO_OPT_BOOL,
3194 .off1 = td_var_offset(end_fsync),
3195 .help = "Include fsync at the end of job",
3196 .def = "0",
3197 .category = FIO_OPT_C_FILE,
3198 .group = FIO_OPT_G_INVALID,
3199 },
3200 {
3201 .name = "fsync_on_close",
3202 .lname = "Fsync on close",
3203 .type = FIO_OPT_BOOL,
3204 .off1 = td_var_offset(fsync_on_close),
3205 .help = "fsync files on close",
3206 .def = "0",
3207 .category = FIO_OPT_C_FILE,
3208 .group = FIO_OPT_G_INVALID,
3209 },
3210 {
3211 .name = "unlink",
3212 .lname = "Unlink file",
3213 .type = FIO_OPT_BOOL,
3214 .off1 = td_var_offset(unlink),
3215 .help = "Unlink created files after job has completed",
3216 .def = "0",
3217 .category = FIO_OPT_C_FILE,
3218 .group = FIO_OPT_G_INVALID,
3219 },
3220 {
3221 .name = "exitall",
3222 .lname = "Exit-all on terminate",
3223 .type = FIO_OPT_STR_SET,
3224 .cb = str_exitall_cb,
3225 .help = "Terminate all jobs when one exits",
3226 .category = FIO_OPT_C_GENERAL,
3227 .group = FIO_OPT_G_PROCESS,
3228 },
3229 {
3230 .name = "exitall_on_error",
3231 .lname = "Exit-all on terminate in error",
3232 .type = FIO_OPT_BOOL,
3233 .off1 = td_var_offset(unlink),
3234 .help = "Terminate all jobs when one exits in error",
3235 .category = FIO_OPT_C_GENERAL,
3236 .group = FIO_OPT_G_PROCESS,
3237 },
3238 {
3239 .name = "stonewall",
3240 .lname = "Wait for previous",
3241 .alias = "wait_for_previous",
3242 .type = FIO_OPT_STR_SET,
3243 .off1 = td_var_offset(stonewall),
3244 .help = "Insert a hard barrier between this job and previous",
3245 .category = FIO_OPT_C_GENERAL,
3246 .group = FIO_OPT_G_PROCESS,
3247 },
3248 {
3249 .name = "new_group",
3250 .lname = "New group",
3251 .type = FIO_OPT_STR_SET,
3252 .off1 = td_var_offset(new_group),
3253 .help = "Mark the start of a new group (for reporting)",
3254 .category = FIO_OPT_C_GENERAL,
3255 .group = FIO_OPT_G_PROCESS,
3256 },
3257 {
3258 .name = "thread",
3259 .lname = "Thread",
3260 .type = FIO_OPT_STR_SET,
3261 .off1 = td_var_offset(use_thread),
3262 .help = "Use threads instead of processes",
3263#ifdef CONFIG_NO_SHM
3264 .def = "1",
3265 .no_warn_def = 1,
3266#endif
3267 .category = FIO_OPT_C_GENERAL,
3268 .group = FIO_OPT_G_PROCESS,
3269 },
3270 {
3271 .name = "per_job_logs",
3272 .type = FIO_OPT_BOOL,
3273 .off1 = td_var_offset(per_job_logs),
3274 .help = "Include job number in generated log files or not",
3275 .def = "1",
3276 .category = FIO_OPT_C_LOG,
3277 .group = FIO_OPT_G_INVALID,
3278 },
3279 {
3280 .name = "write_bw_log",
3281 .lname = "Write bandwidth log",
3282 .type = FIO_OPT_STR_STORE,
3283 .off1 = td_var_offset(bw_log_file),
3284 .help = "Write log of bandwidth during run",
3285 .category = FIO_OPT_C_LOG,
3286 .group = FIO_OPT_G_INVALID,
3287 },
3288 {
3289 .name = "write_lat_log",
3290 .lname = "Write latency log",
3291 .type = FIO_OPT_STR_STORE,
3292 .off1 = td_var_offset(lat_log_file),
3293 .help = "Write log of latency during run",
3294 .category = FIO_OPT_C_LOG,
3295 .group = FIO_OPT_G_INVALID,
3296 },
3297 {
3298 .name = "write_iops_log",
3299 .lname = "Write IOPS log",
3300 .type = FIO_OPT_STR_STORE,
3301 .off1 = td_var_offset(iops_log_file),
3302 .help = "Write log of IOPS during run",
3303 .category = FIO_OPT_C_LOG,
3304 .group = FIO_OPT_G_INVALID,
3305 },
3306 {
3307 .name = "log_avg_msec",
3308 .lname = "Log averaging (msec)",
3309 .type = FIO_OPT_INT,
3310 .off1 = td_var_offset(log_avg_msec),
3311 .help = "Average bw/iops/lat logs over this period of time",
3312 .def = "0",
3313 .category = FIO_OPT_C_LOG,
3314 .group = FIO_OPT_G_INVALID,
3315 },
3316 {
3317 .name = "log_max_value",
3318 .lname = "Log maximum instead of average",
3319 .type = FIO_OPT_BOOL,
3320 .off1 = td_var_offset(log_max),
3321 .help = "Log max sample in a window instead of average",
3322 .def = "0",
3323 .category = FIO_OPT_C_LOG,
3324 .group = FIO_OPT_G_INVALID,
3325 },
3326 {
3327 .name = "log_offset",
3328 .lname = "Log offset of IO",
3329 .type = FIO_OPT_BOOL,
3330 .off1 = td_var_offset(log_offset),
3331 .help = "Include offset of IO for each log entry",
3332 .def = "0",
3333 .category = FIO_OPT_C_LOG,
3334 .group = FIO_OPT_G_INVALID,
3335 },
3336#ifdef CONFIG_ZLIB
3337 {
3338 .name = "log_compression",
3339 .lname = "Log compression",
3340 .type = FIO_OPT_INT,
3341 .off1 = td_var_offset(log_gz),
3342 .help = "Log in compressed chunks of this size",
3343 .minval = 1024ULL,
3344 .maxval = 512 * 1024 * 1024ULL,
3345 .category = FIO_OPT_C_LOG,
3346 .group = FIO_OPT_G_INVALID,
3347 },
3348#ifdef FIO_HAVE_CPU_AFFINITY
3349 {
3350 .name = "log_compression_cpus",
3351 .lname = "Log Compression CPUs",
3352 .type = FIO_OPT_STR,
3353 .cb = str_log_cpus_allowed_cb,
3354 .off1 = td_var_offset(log_gz_cpumask),
3355 .parent = "log_compression",
3356 .help = "Limit log compression to these CPUs",
3357 .category = FIO_OPT_C_LOG,
3358 .group = FIO_OPT_G_INVALID,
3359 },
3360#endif
3361 {
3362 .name = "log_store_compressed",
3363 .lname = "Log store compressed",
3364 .type = FIO_OPT_BOOL,
3365 .off1 = td_var_offset(log_gz_store),
3366 .help = "Store logs in a compressed format",
3367 .category = FIO_OPT_C_LOG,
3368 .group = FIO_OPT_G_INVALID,
3369 },
3370#endif
3371 {
3372 .name = "block_error_percentiles",
3373 .lname = "Block error percentiles",
3374 .type = FIO_OPT_BOOL,
3375 .off1 = td_var_offset(block_error_hist),
3376 .help = "Record trim block errors and make a histogram",
3377 .def = "0",
3378 .category = FIO_OPT_C_LOG,
3379 .group = FIO_OPT_G_INVALID,
3380 },
3381 {
3382 .name = "bwavgtime",
3383 .lname = "Bandwidth average time",
3384 .type = FIO_OPT_INT,
3385 .off1 = td_var_offset(bw_avg_time),
3386 .help = "Time window over which to calculate bandwidth"
3387 " (msec)",
3388 .def = "500",
3389 .parent = "write_bw_log",
3390 .hide = 1,
3391 .interval = 100,
3392 .category = FIO_OPT_C_LOG,
3393 .group = FIO_OPT_G_INVALID,
3394 },
3395 {
3396 .name = "iopsavgtime",
3397 .lname = "IOPS average time",
3398 .type = FIO_OPT_INT,
3399 .off1 = td_var_offset(iops_avg_time),
3400 .help = "Time window over which to calculate IOPS (msec)",
3401 .def = "500",
3402 .parent = "write_iops_log",
3403 .hide = 1,
3404 .interval = 100,
3405 .category = FIO_OPT_C_LOG,
3406 .group = FIO_OPT_G_INVALID,
3407 },
3408 {
3409 .name = "group_reporting",
3410 .lname = "Group reporting",
3411 .type = FIO_OPT_STR_SET,
3412 .off1 = td_var_offset(group_reporting),
3413 .help = "Do reporting on a per-group basis",
3414 .category = FIO_OPT_C_STAT,
3415 .group = FIO_OPT_G_INVALID,
3416 },
3417 {
3418 .name = "zero_buffers",
3419 .lname = "Zero I/O buffers",
3420 .type = FIO_OPT_STR_SET,
3421 .off1 = td_var_offset(zero_buffers),
3422 .help = "Init IO buffers to all zeroes",
3423 .category = FIO_OPT_C_IO,
3424 .group = FIO_OPT_G_IO_BUF,
3425 },
3426 {
3427 .name = "refill_buffers",
3428 .lname = "Refill I/O buffers",
3429 .type = FIO_OPT_STR_SET,
3430 .off1 = td_var_offset(refill_buffers),
3431 .help = "Refill IO buffers on every IO submit",
3432 .category = FIO_OPT_C_IO,
3433 .group = FIO_OPT_G_IO_BUF,
3434 },
3435 {
3436 .name = "scramble_buffers",
3437 .lname = "Scramble I/O buffers",
3438 .type = FIO_OPT_BOOL,
3439 .off1 = td_var_offset(scramble_buffers),
3440 .help = "Slightly scramble buffers on every IO submit",
3441 .def = "1",
3442 .category = FIO_OPT_C_IO,
3443 .group = FIO_OPT_G_IO_BUF,
3444 },
3445 {
3446 .name = "buffer_pattern",
3447 .lname = "Buffer pattern",
3448 .type = FIO_OPT_STR,
3449 .cb = str_buffer_pattern_cb,
3450 .off1 = td_var_offset(buffer_pattern),
3451 .help = "Fill pattern for IO buffers",
3452 .category = FIO_OPT_C_IO,
3453 .group = FIO_OPT_G_IO_BUF,
3454 },
3455 {
3456 .name = "buffer_compress_percentage",
3457 .lname = "Buffer compression percentage",
3458 .type = FIO_OPT_INT,
3459 .cb = str_buffer_compress_cb,
3460 .off1 = td_var_offset(compress_percentage),
3461 .maxval = 100,
3462 .minval = 0,
3463 .help = "How compressible the buffer is (approximately)",
3464 .interval = 5,
3465 .category = FIO_OPT_C_IO,
3466 .group = FIO_OPT_G_IO_BUF,
3467 },
3468 {
3469 .name = "buffer_compress_chunk",
3470 .lname = "Buffer compression chunk size",
3471 .type = FIO_OPT_INT,
3472 .off1 = td_var_offset(compress_chunk),
3473 .parent = "buffer_compress_percentage",
3474 .hide = 1,
3475 .help = "Size of compressible region in buffer",
3476 .interval = 256,
3477 .category = FIO_OPT_C_IO,
3478 .group = FIO_OPT_G_IO_BUF,
3479 },
3480 {
3481 .name = "dedupe_percentage",
3482 .lname = "Dedupe percentage",
3483 .type = FIO_OPT_INT,
3484 .cb = str_dedupe_cb,
3485 .off1 = td_var_offset(dedupe_percentage),
3486 .maxval = 100,
3487 .minval = 0,
3488 .help = "Percentage of buffers that are dedupable",
3489 .interval = 1,
3490 .category = FIO_OPT_C_IO,
3491 .group = FIO_OPT_G_IO_BUF,
3492 },
3493 {
3494 .name = "clat_percentiles",
3495 .lname = "Completion latency percentiles",
3496 .type = FIO_OPT_BOOL,
3497 .off1 = td_var_offset(clat_percentiles),
3498 .help = "Enable the reporting of completion latency percentiles",
3499 .def = "1",
3500 .category = FIO_OPT_C_STAT,
3501 .group = FIO_OPT_G_INVALID,
3502 },
3503 {
3504 .name = "percentile_list",
3505 .lname = "Percentile list",
3506 .type = FIO_OPT_FLOAT_LIST,
3507 .off1 = td_var_offset(percentile_list),
3508 .off2 = td_var_offset(percentile_precision),
3509 .help = "Specify a custom list of percentiles to report for "
3510 "completion latency and block errors",
3511 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
3512 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3513 .minfp = 0.0,
3514 .maxfp = 100.0,
3515 .category = FIO_OPT_C_STAT,
3516 .group = FIO_OPT_G_INVALID,
3517 },
3518
3519#ifdef FIO_HAVE_DISK_UTIL
3520 {
3521 .name = "disk_util",
3522 .lname = "Disk utilization",
3523 .type = FIO_OPT_BOOL,
3524 .off1 = td_var_offset(do_disk_util),
3525 .help = "Log disk utilization statistics",
3526 .def = "1",
3527 .category = FIO_OPT_C_STAT,
3528 .group = FIO_OPT_G_INVALID,
3529 },
3530#endif
3531 {
3532 .name = "gtod_reduce",
3533 .lname = "Reduce gettimeofday() calls",
3534 .type = FIO_OPT_BOOL,
3535 .help = "Greatly reduce number of gettimeofday() calls",
3536 .cb = str_gtod_reduce_cb,
3537 .def = "0",
3538 .hide_on_set = 1,
3539 .category = FIO_OPT_C_STAT,
3540 .group = FIO_OPT_G_INVALID,
3541 },
3542 {
3543 .name = "disable_lat",
3544 .lname = "Disable all latency stats",
3545 .type = FIO_OPT_BOOL,
3546 .off1 = td_var_offset(disable_lat),
3547 .help = "Disable latency numbers",
3548 .parent = "gtod_reduce",
3549 .hide = 1,
3550 .def = "0",
3551 .category = FIO_OPT_C_STAT,
3552 .group = FIO_OPT_G_INVALID,
3553 },
3554 {
3555 .name = "disable_clat",
3556 .lname = "Disable completion latency stats",
3557 .type = FIO_OPT_BOOL,
3558 .off1 = td_var_offset(disable_clat),
3559 .help = "Disable completion latency numbers",
3560 .parent = "gtod_reduce",
3561 .hide = 1,
3562 .def = "0",
3563 .category = FIO_OPT_C_STAT,
3564 .group = FIO_OPT_G_INVALID,
3565 },
3566 {
3567 .name = "disable_slat",
3568 .lname = "Disable submission latency stats",
3569 .type = FIO_OPT_BOOL,
3570 .off1 = td_var_offset(disable_slat),
3571 .help = "Disable submission latency numbers",
3572 .parent = "gtod_reduce",
3573 .hide = 1,
3574 .def = "0",
3575 .category = FIO_OPT_C_STAT,
3576 .group = FIO_OPT_G_INVALID,
3577 },
3578 {
3579 .name = "disable_bw_measurement",
3580 .lname = "Disable bandwidth stats",
3581 .type = FIO_OPT_BOOL,
3582 .off1 = td_var_offset(disable_bw),
3583 .help = "Disable bandwidth logging",
3584 .parent = "gtod_reduce",
3585 .hide = 1,
3586 .def = "0",
3587 .category = FIO_OPT_C_STAT,
3588 .group = FIO_OPT_G_INVALID,
3589 },
3590 {
3591 .name = "gtod_cpu",
3592 .lname = "Dedicated gettimeofday() CPU",
3593 .type = FIO_OPT_INT,
3594 .off1 = td_var_offset(gtod_cpu),
3595 .help = "Set up dedicated gettimeofday() thread on this CPU",
3596 .verify = gtod_cpu_verify,
3597 .category = FIO_OPT_C_GENERAL,
3598 .group = FIO_OPT_G_CLOCK,
3599 },
3600 {
3601 .name = "unified_rw_reporting",
3602 .type = FIO_OPT_BOOL,
3603 .off1 = td_var_offset(unified_rw_rep),
3604 .help = "Unify reporting across data direction",
3605 .def = "0",
3606 .category = FIO_OPT_C_GENERAL,
3607 .group = FIO_OPT_G_INVALID,
3608 },
3609 {
3610 .name = "continue_on_error",
3611 .lname = "Continue on error",
3612 .type = FIO_OPT_STR,
3613 .off1 = td_var_offset(continue_on_error),
3614 .help = "Continue on non-fatal errors during IO",
3615 .def = "none",
3616 .category = FIO_OPT_C_GENERAL,
3617 .group = FIO_OPT_G_ERR,
3618 .posval = {
3619 { .ival = "none",
3620 .oval = ERROR_TYPE_NONE,
3621 .help = "Exit when an error is encountered",
3622 },
3623 { .ival = "read",
3624 .oval = ERROR_TYPE_READ,
3625 .help = "Continue on read errors only",
3626 },
3627 { .ival = "write",
3628 .oval = ERROR_TYPE_WRITE,
3629 .help = "Continue on write errors only",
3630 },
3631 { .ival = "io",
3632 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3633 .help = "Continue on any IO errors",
3634 },
3635 { .ival = "verify",
3636 .oval = ERROR_TYPE_VERIFY,
3637 .help = "Continue on verify errors only",
3638 },
3639 { .ival = "all",
3640 .oval = ERROR_TYPE_ANY,
3641 .help = "Continue on all io and verify errors",
3642 },
3643 { .ival = "0",
3644 .oval = ERROR_TYPE_NONE,
3645 .help = "Alias for 'none'",
3646 },
3647 { .ival = "1",
3648 .oval = ERROR_TYPE_ANY,
3649 .help = "Alias for 'all'",
3650 },
3651 },
3652 },
3653 {
3654 .name = "ignore_error",
3655 .type = FIO_OPT_STR,
3656 .cb = str_ignore_error_cb,
3657 .off1 = td_var_offset(ignore_error_nr),
3658 .help = "Set a specific list of errors to ignore",
3659 .parent = "rw",
3660 .category = FIO_OPT_C_GENERAL,
3661 .group = FIO_OPT_G_ERR,
3662 },
3663 {
3664 .name = "error_dump",
3665 .type = FIO_OPT_BOOL,
3666 .off1 = td_var_offset(error_dump),
3667 .def = "0",
3668 .help = "Dump info on each error",
3669 .category = FIO_OPT_C_GENERAL,
3670 .group = FIO_OPT_G_ERR,
3671 },
3672 {
3673 .name = "profile",
3674 .lname = "Profile",
3675 .type = FIO_OPT_STR_STORE,
3676 .off1 = td_var_offset(profile),
3677 .help = "Select a specific builtin performance test",
3678 .category = FIO_OPT_C_PROFILE,
3679 .group = FIO_OPT_G_INVALID,
3680 },
3681 {
3682 .name = "cgroup",
3683 .lname = "Cgroup",
3684 .type = FIO_OPT_STR_STORE,
3685 .off1 = td_var_offset(cgroup),
3686 .help = "Add job to cgroup of this name",
3687 .category = FIO_OPT_C_GENERAL,
3688 .group = FIO_OPT_G_CGROUP,
3689 },
3690 {
3691 .name = "cgroup_nodelete",
3692 .lname = "Cgroup no-delete",
3693 .type = FIO_OPT_BOOL,
3694 .off1 = td_var_offset(cgroup_nodelete),
3695 .help = "Do not delete cgroups after job completion",
3696 .def = "0",
3697 .parent = "cgroup",
3698 .category = FIO_OPT_C_GENERAL,
3699 .group = FIO_OPT_G_CGROUP,
3700 },
3701 {
3702 .name = "cgroup_weight",
3703 .lname = "Cgroup weight",
3704 .type = FIO_OPT_INT,
3705 .off1 = td_var_offset(cgroup_weight),
3706 .help = "Use given weight for cgroup",
3707 .minval = 100,
3708 .maxval = 1000,
3709 .parent = "cgroup",
3710 .category = FIO_OPT_C_GENERAL,
3711 .group = FIO_OPT_G_CGROUP,
3712 },
3713 {
3714 .name = "uid",
3715 .lname = "User ID",
3716 .type = FIO_OPT_INT,
3717 .off1 = td_var_offset(uid),
3718 .help = "Run job with this user ID",
3719 .category = FIO_OPT_C_GENERAL,
3720 .group = FIO_OPT_G_CRED,
3721 },
3722 {
3723 .name = "gid",
3724 .lname = "Group ID",
3725 .type = FIO_OPT_INT,
3726 .off1 = td_var_offset(gid),
3727 .help = "Run job with this group ID",
3728 .category = FIO_OPT_C_GENERAL,
3729 .group = FIO_OPT_G_CRED,
3730 },
3731 {
3732 .name = "kb_base",
3733 .lname = "KB Base",
3734 .type = FIO_OPT_INT,
3735 .off1 = td_var_offset(kb_base),
3736 .prio = 1,
3737 .def = "1024",
3738 .posval = {
3739 { .ival = "1024",
3740 .oval = 1024,
3741 .help = "Use 1024 as the K base",
3742 },
3743 { .ival = "1000",
3744 .oval = 1000,
3745 .help = "Use 1000 as the K base",
3746 },
3747 },
3748 .help = "How many bytes per KB for reporting (1000 or 1024)",
3749 .category = FIO_OPT_C_GENERAL,
3750 .group = FIO_OPT_G_INVALID,
3751 },
3752 {
3753 .name = "unit_base",
3754 .lname = "Base unit for reporting (Bits or Bytes)",
3755 .type = FIO_OPT_INT,
3756 .off1 = td_var_offset(unit_base),
3757 .prio = 1,
3758 .posval = {
3759 { .ival = "0",
3760 .oval = 0,
3761 .help = "Auto-detect",
3762 },
3763 { .ival = "8",
3764 .oval = 8,
3765 .help = "Normal (byte based)",
3766 },
3767 { .ival = "1",
3768 .oval = 1,
3769 .help = "Bit based",
3770 },
3771 },
3772 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3773 .category = FIO_OPT_C_GENERAL,
3774 .group = FIO_OPT_G_INVALID,
3775 },
3776 {
3777 .name = "hugepage-size",
3778 .lname = "Hugepage size",
3779 .type = FIO_OPT_INT,
3780 .off1 = td_var_offset(hugepage_size),
3781 .help = "When using hugepages, specify size of each page",
3782 .def = __fio_stringify(FIO_HUGE_PAGE),
3783 .interval = 1024 * 1024,
3784 .category = FIO_OPT_C_GENERAL,
3785 .group = FIO_OPT_G_INVALID,
3786 },
3787 {
3788 .name = "flow_id",
3789 .lname = "I/O flow ID",
3790 .type = FIO_OPT_INT,
3791 .off1 = td_var_offset(flow_id),
3792 .help = "The flow index ID to use",
3793 .def = "0",
3794 .category = FIO_OPT_C_IO,
3795 .group = FIO_OPT_G_IO_FLOW,
3796 },
3797 {
3798 .name = "flow",
3799 .lname = "I/O flow weight",
3800 .type = FIO_OPT_INT,
3801 .off1 = td_var_offset(flow),
3802 .help = "Weight for flow control of this job",
3803 .parent = "flow_id",
3804 .hide = 1,
3805 .def = "0",
3806 .category = FIO_OPT_C_IO,
3807 .group = FIO_OPT_G_IO_FLOW,
3808 },
3809 {
3810 .name = "flow_watermark",
3811 .lname = "I/O flow watermark",
3812 .type = FIO_OPT_INT,
3813 .off1 = td_var_offset(flow_watermark),
3814 .help = "High watermark for flow control. This option"
3815 " should be set to the same value for all threads"
3816 " with non-zero flow.",
3817 .parent = "flow_id",
3818 .hide = 1,
3819 .def = "1024",
3820 .category = FIO_OPT_C_IO,
3821 .group = FIO_OPT_G_IO_FLOW,
3822 },
3823 {
3824 .name = "flow_sleep",
3825 .lname = "I/O flow sleep",
3826 .type = FIO_OPT_INT,
3827 .off1 = td_var_offset(flow_sleep),
3828 .help = "How many microseconds to sleep after being held"
3829 " back by the flow control mechanism",
3830 .parent = "flow_id",
3831 .hide = 1,
3832 .def = "0",
3833 .category = FIO_OPT_C_IO,
3834 .group = FIO_OPT_G_IO_FLOW,
3835 },
3836 {
3837 .name = "skip_bad",
3838 .lname = "Skip operations against bad blocks",
3839 .type = FIO_OPT_BOOL,
3840 .off1 = td_var_offset(skip_bad),
3841 .help = "Skip operations against known bad blocks.",
3842 .hide = 1,
3843 .def = "0",
3844 .category = FIO_OPT_C_IO,
3845 .group = FIO_OPT_G_MTD,
3846 },
3847 {
3848 .name = NULL,
3849 },
3850};
3851
3852static void add_to_lopt(struct option *lopt, struct fio_option *o,
3853 const char *name, int val)
3854{
3855 lopt->name = (char *) name;
3856 lopt->val = val;
3857 if (o->type == FIO_OPT_STR_SET)
3858 lopt->has_arg = optional_argument;
3859 else
3860 lopt->has_arg = required_argument;
3861}
3862
3863static void options_to_lopts(struct fio_option *opts,
3864 struct option *long_options,
3865 int i, int option_type)
3866{
3867 struct fio_option *o = &opts[0];
3868 while (o->name) {
3869 add_to_lopt(&long_options[i], o, o->name, option_type);
3870 if (o->alias) {
3871 i++;
3872 add_to_lopt(&long_options[i], o, o->alias, option_type);
3873 }
3874
3875 i++;
3876 o++;
3877 assert(i < FIO_NR_OPTIONS);
3878 }
3879}
3880
3881void fio_options_set_ioengine_opts(struct option *long_options,
3882 struct thread_data *td)
3883{
3884 unsigned int i;
3885
3886 i = 0;
3887 while (long_options[i].name) {
3888 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3889 memset(&long_options[i], 0, sizeof(*long_options));
3890 break;
3891 }
3892 i++;
3893 }
3894
3895 /*
3896 * Just clear out the prior ioengine options.
3897 */
3898 if (!td || !td->eo)
3899 return;
3900
3901 options_to_lopts(td->io_ops->options, long_options, i,
3902 FIO_GETOPT_IOENGINE);
3903}
3904
3905void fio_options_dup_and_init(struct option *long_options)
3906{
3907 unsigned int i;
3908
3909 options_init(fio_options);
3910
3911 i = 0;
3912 while (long_options[i].name)
3913 i++;
3914
3915 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
3916}
3917
3918struct fio_keyword {
3919 const char *word;
3920 const char *desc;
3921 char *replace;
3922};
3923
3924static struct fio_keyword fio_keywords[] = {
3925 {
3926 .word = "$pagesize",
3927 .desc = "Page size in the system",
3928 },
3929 {
3930 .word = "$mb_memory",
3931 .desc = "Megabytes of memory online",
3932 },
3933 {
3934 .word = "$ncpus",
3935 .desc = "Number of CPUs online in the system",
3936 },
3937 {
3938 .word = NULL,
3939 },
3940};
3941
3942void fio_keywords_exit(void)
3943{
3944 struct fio_keyword *kw;
3945
3946 kw = &fio_keywords[0];
3947 while (kw->word) {
3948 free(kw->replace);
3949 kw->replace = NULL;
3950 kw++;
3951 }
3952}
3953
3954void fio_keywords_init(void)
3955{
3956 unsigned long long mb_memory;
3957 char buf[128];
3958 long l;
3959
3960 sprintf(buf, "%lu", (unsigned long) page_size);
3961 fio_keywords[0].replace = strdup(buf);
3962
3963 mb_memory = os_phys_mem() / (1024 * 1024);
3964 sprintf(buf, "%llu", mb_memory);
3965 fio_keywords[1].replace = strdup(buf);
3966
3967 l = cpus_online();
3968 sprintf(buf, "%lu", l);
3969 fio_keywords[2].replace = strdup(buf);
3970}
3971
3972#define BC_APP "bc"
3973
3974static char *bc_calc(char *str)
3975{
3976 char buf[128], *tmp;
3977 FILE *f;
3978 int ret;
3979
3980 /*
3981 * No math, just return string
3982 */
3983 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3984 !strchr(str, '/')) || strchr(str, '\''))
3985 return str;
3986
3987 /*
3988 * Split option from value, we only need to calculate the value
3989 */
3990 tmp = strchr(str, '=');
3991 if (!tmp)
3992 return str;
3993
3994 tmp++;
3995
3996 /*
3997 * Prevent buffer overflows; such a case isn't reasonable anyway
3998 */
3999 if (strlen(str) >= 128 || strlen(tmp) > 100)
4000 return str;
4001
4002 sprintf(buf, "which %s > /dev/null", BC_APP);
4003 if (system(buf)) {
4004 log_err("fio: bc is needed for performing math\n");
4005 return NULL;
4006 }
4007
4008 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
4009 f = popen(buf, "r");
4010 if (!f)
4011 return NULL;
4012
4013 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
4014 if (ret <= 0) {
4015 pclose(f);
4016 return NULL;
4017 }
4018
4019 pclose(f);
4020 buf[(tmp - str) + ret - 1] = '\0';
4021 memcpy(buf, str, tmp - str);
4022 free(str);
4023 return strdup(buf);
4024}
4025
4026/*
4027 * Return a copy of the input string with substrings of the form ${VARNAME}
4028 * substituted with the value of the environment variable VARNAME. The
4029 * substitution always occurs, even if VARNAME is empty or the corresponding
4030 * environment variable undefined.
4031 */
4032static char *option_dup_subs(const char *opt)
4033{
4034 char out[OPT_LEN_MAX+1];
4035 char in[OPT_LEN_MAX+1];
4036 char *outptr = out;
4037 char *inptr = in;
4038 char *ch1, *ch2, *env;
4039 ssize_t nchr = OPT_LEN_MAX;
4040 size_t envlen;
4041
4042 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4043 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4044 return NULL;
4045 }
4046
4047 in[OPT_LEN_MAX] = '\0';
4048 strncpy(in, opt, OPT_LEN_MAX);
4049
4050 while (*inptr && nchr > 0) {
4051 if (inptr[0] == '$' && inptr[1] == '{') {
4052 ch2 = strchr(inptr, '}');
4053 if (ch2 && inptr+1 < ch2) {
4054 ch1 = inptr+2;
4055 inptr = ch2+1;
4056 *ch2 = '\0';
4057
4058 env = getenv(ch1);
4059 if (env) {
4060 envlen = strlen(env);
4061 if (envlen <= nchr) {
4062 memcpy(outptr, env, envlen);
4063 outptr += envlen;
4064 nchr -= envlen;
4065 }
4066 }
4067
4068 continue;
4069 }
4070 }
4071
4072 *outptr++ = *inptr++;
4073 --nchr;
4074 }
4075
4076 *outptr = '\0';
4077 return strdup(out);
4078}
4079
4080/*
4081 * Look for reserved variable names and replace them with real values
4082 */
4083static char *fio_keyword_replace(char *opt)
4084{
4085 char *s;
4086 int i;
4087 int docalc = 0;
4088
4089 for (i = 0; fio_keywords[i].word != NULL; i++) {
4090 struct fio_keyword *kw = &fio_keywords[i];
4091
4092 while ((s = strstr(opt, kw->word)) != NULL) {
4093 char *new = malloc(strlen(opt) + 1);
4094 char *o_org = opt;
4095 int olen = s - opt;
4096 int len;
4097
4098 /*
4099 * Copy part of the string before the keyword and
4100 * sprintf() the replacement after it.
4101 */
4102 memcpy(new, opt, olen);
4103 len = sprintf(new + olen, "%s", kw->replace);
4104
4105 /*
4106 * If there's more in the original string, copy that
4107 * in too
4108 */
4109 opt += strlen(kw->word) + olen;
4110 if (strlen(opt))
4111 memcpy(new + olen + len, opt, opt - o_org - 1);
4112
4113 /*
4114 * replace opt and free the old opt
4115 */
4116 opt = new;
4117 free(o_org);
4118
4119 docalc = 1;
4120 }
4121 }
4122
4123 /*
4124 * Check for potential math and invoke bc, if possible
4125 */
4126 if (docalc)
4127 opt = bc_calc(opt);
4128
4129 return opt;
4130}
4131
4132static char **dup_and_sub_options(char **opts, int num_opts)
4133{
4134 int i;
4135 char **opts_copy = malloc(num_opts * sizeof(*opts));
4136 for (i = 0; i < num_opts; i++) {
4137 opts_copy[i] = option_dup_subs(opts[i]);
4138 if (!opts_copy[i])
4139 continue;
4140 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4141 }
4142 return opts_copy;
4143}
4144
4145static void show_closest_option(const char *opt)
4146{
4147 int best_option, best_distance;
4148 int i, distance;
4149 char *name;
4150
4151 if (!strlen(opt))
4152 return;
4153
4154 name = strdup(opt);
4155 i = 0;
4156 while (name[i] != '\0' && name[i] != '=')
4157 i++;
4158 name[i] = '\0';
4159
4160 best_option = -1;
4161 best_distance = INT_MAX;
4162 i = 0;
4163 while (fio_options[i].name) {
4164 distance = string_distance(name, fio_options[i].name);
4165 if (distance < best_distance) {
4166 best_distance = distance;
4167 best_option = i;
4168 }
4169 i++;
4170 }
4171
4172 if (best_option != -1 && string_distance_ok(name, best_distance))
4173 log_err("Did you mean %s?\n", fio_options[best_option].name);
4174
4175 free(name);
4176}
4177
4178int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
4179{
4180 int i, ret, unknown;
4181 char **opts_copy;
4182
4183 sort_options(opts, fio_options, num_opts);
4184 opts_copy = dup_and_sub_options(opts, num_opts);
4185
4186 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4187 struct fio_option *o;
4188 int newret = parse_option(opts_copy[i], opts[i], fio_options,
4189 &o, td, &td->opt_list);
4190
4191 if (!newret && o)
4192 fio_option_mark_set(&td->o, o);
4193
4194 if (opts_copy[i]) {
4195 if (newret && !o) {
4196 unknown++;
4197 continue;
4198 }
4199 free(opts_copy[i]);
4200 opts_copy[i] = NULL;
4201 }
4202
4203 ret |= newret;
4204 }
4205
4206 if (unknown) {
4207 ret |= ioengine_load(td);
4208 if (td->eo) {
4209 sort_options(opts_copy, td->io_ops->options, num_opts);
4210 opts = opts_copy;
4211 }
4212 for (i = 0; i < num_opts; i++) {
4213 struct fio_option *o = NULL;
4214 int newret = 1;
4215
4216 if (!opts_copy[i])
4217 continue;
4218
4219 if (td->eo)
4220 newret = parse_option(opts_copy[i], opts[i],
4221 td->io_ops->options, &o,
4222 td->eo, &td->opt_list);
4223
4224 ret |= newret;
4225 if (!o) {
4226 log_err("Bad option <%s>\n", opts[i]);
4227 show_closest_option(opts[i]);
4228 }
4229 free(opts_copy[i]);
4230 opts_copy[i] = NULL;
4231 }
4232 }
4233
4234 free(opts_copy);
4235 return ret;
4236}
4237
4238int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4239{
4240 int ret;
4241
4242 ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list);
4243 if (!ret) {
4244 struct fio_option *o;
4245
4246 o = find_option(fio_options, opt);
4247 if (o)
4248 fio_option_mark_set(&td->o, o);
4249 }
4250
4251 return ret;
4252}
4253
4254int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4255 char *val)
4256{
4257 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4258 &td->opt_list);
4259}
4260
4261void fio_fill_default_options(struct thread_data *td)
4262{
4263 td->o.magic = OPT_MAGIC;
4264 fill_default_options(td, fio_options);
4265}
4266
4267int fio_show_option_help(const char *opt)
4268{
4269 return show_cmd_help(fio_options, opt);
4270}
4271
4272void options_mem_dupe(void *data, struct fio_option *options)
4273{
4274 struct fio_option *o;
4275 char **ptr;
4276
4277 for (o = &options[0]; o->name; o++) {
4278 if (o->type != FIO_OPT_STR_STORE)
4279 continue;
4280
4281 ptr = td_var(data, o, o->off1);
4282 if (*ptr)
4283 *ptr = strdup(*ptr);
4284 }
4285}
4286
4287/*
4288 * dupe FIO_OPT_STR_STORE options
4289 */
4290void fio_options_mem_dupe(struct thread_data *td)
4291{
4292 options_mem_dupe(&td->o, fio_options);
4293
4294 if (td->eo && td->io_ops) {
4295 void *oldeo = td->eo;
4296
4297 td->eo = malloc(td->io_ops->option_struct_size);
4298 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4299 options_mem_dupe(td->eo, td->io_ops->options);
4300 }
4301}
4302
4303unsigned int fio_get_kb_base(void *data)
4304{
4305 struct thread_options *o = data;
4306 unsigned int kb_base = 0;
4307
4308 /*
4309 * This is a hack... For private options, *data is not holding
4310 * a pointer to the thread_options, but to private data. This means
4311 * we can't safely dereference it, but magic is first so mem wise
4312 * it is valid. But this also means that if the job first sets
4313 * kb_base and expects that to be honored by private options,
4314 * it will be disappointed. We will return the global default
4315 * for this.
4316 */
4317 if (o && o->magic == OPT_MAGIC)
4318 kb_base = o->kb_base;
4319 if (!kb_base)
4320 kb_base = 1024;
4321
4322 return kb_base;
4323}
4324
4325int add_option(struct fio_option *o)
4326{
4327 struct fio_option *__o;
4328 int opt_index = 0;
4329
4330 __o = fio_options;
4331 while (__o->name) {
4332 opt_index++;
4333 __o++;
4334 }
4335
4336 if (opt_index + 1 == FIO_MAX_OPTS) {
4337 log_err("fio: FIO_MAX_OPTS is too small\n");
4338 return 1;
4339 }
4340
4341 memcpy(&fio_options[opt_index], o, sizeof(*o));
4342 fio_options[opt_index + 1].name = NULL;
4343 return 0;
4344}
4345
4346void invalidate_profile_options(const char *prof_name)
4347{
4348 struct fio_option *o;
4349
4350 o = fio_options;
4351 while (o->name) {
4352 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4353 o->type = FIO_OPT_INVALID;
4354 o->prof_name = NULL;
4355 }
4356 o++;
4357 }
4358}
4359
4360void add_opt_posval(const char *optname, const char *ival, const char *help)
4361{
4362 struct fio_option *o;
4363 unsigned int i;
4364
4365 o = find_option(fio_options, optname);
4366 if (!o)
4367 return;
4368
4369 for (i = 0; i < PARSE_MAX_VP; i++) {
4370 if (o->posval[i].ival)
4371 continue;
4372
4373 o->posval[i].ival = ival;
4374 o->posval[i].help = help;
4375 break;
4376 }
4377}
4378
4379void del_opt_posval(const char *optname, const char *ival)
4380{
4381 struct fio_option *o;
4382 unsigned int i;
4383
4384 o = find_option(fio_options, optname);
4385 if (!o)
4386 return;
4387
4388 for (i = 0; i < PARSE_MAX_VP; i++) {
4389 if (!o->posval[i].ival)
4390 continue;
4391 if (strcmp(o->posval[i].ival, ival))
4392 continue;
4393
4394 o->posval[i].ival = NULL;
4395 o->posval[i].help = NULL;
4396 }
4397}
4398
4399void fio_options_free(struct thread_data *td)
4400{
4401 options_free(fio_options, td);
4402 if (td->eo && td->io_ops && td->io_ops->options) {
4403 options_free(td->io_ops->options, td->eo);
4404 free(td->eo);
4405 td->eo = NULL;
4406 }
4407}
4408
4409struct fio_option *fio_option_find(const char *name)
4410{
4411 return find_option(fio_options, name);
4412}
4413
4414static struct fio_option *find_next_opt(struct thread_options *o,
4415 struct fio_option *from,
4416 unsigned int off1)
4417{
4418 struct fio_option *opt;
4419
4420 if (!from)
4421 from = &fio_options[0];
4422 else
4423 from++;
4424
4425 opt = NULL;
4426 do {
4427 if (off1 == from->off1) {
4428 opt = from;
4429 break;
4430 }
4431 from++;
4432 } while (from->name);
4433
4434 return opt;
4435}
4436
4437static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4438{
4439 unsigned int opt_off, index, offset;
4440
4441 opt_off = opt - &fio_options[0];
4442 index = opt_off / (8 * sizeof(uint64_t));
4443 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4444 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
4445}
4446
4447bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
4448{
4449 struct fio_option *opt, *next;
4450
4451 next = NULL;
4452 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4453 if (opt_is_set(o, opt))
4454 return true;
4455
4456 next = opt;
4457 }
4458
4459 return false;
4460}
4461
4462void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4463{
4464 unsigned int opt_off, index, offset;
4465
4466 opt_off = opt - &fio_options[0];
4467 index = opt_off / (8 * sizeof(uint64_t));
4468 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4469 o->set_options[index] |= (uint64_t)1 << offset;
4470}
fio - Flexible IO Tester