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parse: get rid of raw option offsets
[fio.git] / options.c
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CommitLineData
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
12#include "fio.h"
13#include "verify.h"
14#include "parse.h"
15#include "lib/fls.h"
16#include "options.h"
17
18#include "crc/crc32c.h"
19
20/*
21 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
22 */
23static char *get_opt_postfix(const char *str)
24{
25 char *p = strstr(str, ":");
26
27 if (!p)
28 return NULL;
29
30 p++;
31 strip_blank_front(&p);
32 strip_blank_end(p);
33 return strdup(p);
34}
35
36static int converthexchartoint(char a)
37{
38 int base;
39
40 switch (a) {
41 case '0'...'9':
42 base = '0';
43 break;
44 case 'A'...'F':
45 base = 'A' - 10;
46 break;
47 case 'a'...'f':
48 base = 'a' - 10;
49 break;
50 default:
51 base = 0;
52 }
53 return a - base;
54}
55
56static int bs_cmp(const void *p1, const void *p2)
57{
58 const struct bssplit *bsp1 = p1;
59 const struct bssplit *bsp2 = p2;
60
61 return bsp1->perc < bsp2->perc;
62}
63
64static int bssplit_ddir(struct thread_options *o, int ddir, char *str)
65{
66 struct bssplit *bssplit;
67 unsigned int i, perc, perc_missing;
68 unsigned int max_bs, min_bs;
69 long long val;
70 char *fname;
71
72 o->bssplit_nr[ddir] = 4;
73 bssplit = malloc(4 * sizeof(struct bssplit));
74
75 i = 0;
76 max_bs = 0;
77 min_bs = -1;
78 while ((fname = strsep(&str, ":")) != NULL) {
79 char *perc_str;
80
81 if (!strlen(fname))
82 break;
83
84 /*
85 * grow struct buffer, if needed
86 */
87 if (i == o->bssplit_nr[ddir]) {
88 o->bssplit_nr[ddir] <<= 1;
89 bssplit = realloc(bssplit, o->bssplit_nr[ddir]
90 * sizeof(struct bssplit));
91 }
92
93 perc_str = strstr(fname, "/");
94 if (perc_str) {
95 *perc_str = '\0';
96 perc_str++;
97 perc = atoi(perc_str);
98 if (perc > 100)
99 perc = 100;
100 else if (!perc)
101 perc = -1;
102 } else
103 perc = -1;
104
105 if (str_to_decimal(fname, &val, 1, o)) {
106 log_err("fio: bssplit conversion failed\n");
107 free(bssplit);
108 return 1;
109 }
110
111 if (val > max_bs)
112 max_bs = val;
113 if (val < min_bs)
114 min_bs = val;
115
116 bssplit[i].bs = val;
117 bssplit[i].perc = perc;
118 i++;
119 }
120
121 o->bssplit_nr[ddir] = i;
122
123 /*
124 * Now check if the percentages add up, and how much is missing
125 */
126 perc = perc_missing = 0;
127 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
128 struct bssplit *bsp = &bssplit[i];
129
130 if (bsp->perc == (unsigned char) -1)
131 perc_missing++;
132 else
133 perc += bsp->perc;
134 }
135
136 if (perc > 100) {
137 log_err("fio: bssplit percentages add to more than 100%%\n");
138 free(bssplit);
139 return 1;
140 }
141 /*
142 * If values didn't have a percentage set, divide the remains between
143 * them.
144 */
145 if (perc_missing) {
146 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
147 struct bssplit *bsp = &bssplit[i];
148
149 if (bsp->perc == (unsigned char) -1)
150 bsp->perc = (100 - perc) / perc_missing;
151 }
152 }
153
154 o->min_bs[ddir] = min_bs;
155 o->max_bs[ddir] = max_bs;
156
157 /*
158 * now sort based on percentages, for ease of lookup
159 */
160 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
161 o->bssplit[ddir] = bssplit;
162 return 0;
163}
164
165static int str_bssplit_cb(void *data, const char *input)
166{
167 struct thread_data *td = data;
168 char *str, *p, *odir, *ddir;
169 int ret = 0;
170
171 if (parse_dryrun())
172 return 0;
173
174 p = str = strdup(input);
175
176 strip_blank_front(&str);
177 strip_blank_end(str);
178
179 odir = strchr(str, ',');
180 if (odir) {
181 ddir = strchr(odir + 1, ',');
182 if (ddir) {
183 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1);
184 if (!ret)
185 *ddir = '\0';
186 } else {
187 char *op;
188
189 op = strdup(odir + 1);
190 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
191
192 free(op);
193 }
194 if (!ret)
195 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1);
196 if (!ret) {
197 *odir = '\0';
198 ret = bssplit_ddir(&td->o, DDIR_READ, str);
199 }
200 } else {
201 char *op;
202
203 op = strdup(str);
204 ret = bssplit_ddir(&td->o, DDIR_WRITE, op);
205 free(op);
206
207 if (!ret) {
208 op = strdup(str);
209 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
210 free(op);
211 }
212 ret = bssplit_ddir(&td->o, DDIR_READ, str);
213 }
214
215 free(p);
216 return ret;
217}
218
219static int str2error(char *str)
220{
221 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
222 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
223 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
224 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
225 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
226 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
227 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
228 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
229 int i = 0, num = sizeof(err) / sizeof(void *);
230
231 while (i < num) {
232 if (!strcmp(err[i], str))
233 return i + 1;
234 i++;
235 }
236 return 0;
237}
238
239static int ignore_error_type(struct thread_data *td, int etype, char *str)
240{
241 unsigned int i;
242 int *error;
243 char *fname;
244
245 if (etype >= ERROR_TYPE_CNT) {
246 log_err("Illegal error type\n");
247 return 1;
248 }
249
250 td->o.ignore_error_nr[etype] = 4;
251 error = malloc(4 * sizeof(struct bssplit));
252
253 i = 0;
254 while ((fname = strsep(&str, ":")) != NULL) {
255
256 if (!strlen(fname))
257 break;
258
259 /*
260 * grow struct buffer, if needed
261 */
262 if (i == td->o.ignore_error_nr[etype]) {
263 td->o.ignore_error_nr[etype] <<= 1;
264 error = realloc(error, td->o.ignore_error_nr[etype]
265 * sizeof(int));
266 }
267 if (fname[0] == 'E') {
268 error[i] = str2error(fname);
269 } else {
270 error[i] = atoi(fname);
271 if (error[i] < 0)
272 error[i] = error[i];
273 }
274 if (!error[i]) {
275 log_err("Unknown error %s, please use number value \n",
276 fname);
277 free(error);
278 return 1;
279 }
280 i++;
281 }
282 if (i) {
283 td->o.continue_on_error |= 1 << etype;
284 td->o.ignore_error_nr[etype] = i;
285 td->o.ignore_error[etype] = error;
286 }
287 return 0;
288
289}
290
291static int str_ignore_error_cb(void *data, const char *input)
292{
293 struct thread_data *td = data;
294 char *str, *p, *n;
295 int type = 0, ret = 1;
296
297 if (parse_dryrun())
298 return 0;
299
300 p = str = strdup(input);
301
302 strip_blank_front(&str);
303 strip_blank_end(str);
304
305 while (p) {
306 n = strchr(p, ',');
307 if (n)
308 *n++ = '\0';
309 ret = ignore_error_type(td, type, p);
310 if (ret)
311 break;
312 p = n;
313 type++;
314 }
315 free(str);
316 return ret;
317}
318
319static int str_rw_cb(void *data, const char *str)
320{
321 struct thread_data *td = data;
322 struct thread_options *o = &td->o;
323 char *nr = get_opt_postfix(str);
324
325 if (parse_dryrun())
326 return 0;
327
328 o->ddir_seq_nr = 1;
329 o->ddir_seq_add = 0;
330
331 if (!nr)
332 return 0;
333
334 if (td_random(td))
335 o->ddir_seq_nr = atoi(nr);
336 else {
337 long long val;
338
339 if (str_to_decimal(nr, &val, 1, o)) {
340 log_err("fio: rw postfix parsing failed\n");
341 free(nr);
342 return 1;
343 }
344
345 o->ddir_seq_add = val;
346 }
347
348 free(nr);
349 return 0;
350}
351
352static int str_mem_cb(void *data, const char *mem)
353{
354 struct thread_data *td = data;
355
356 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
357 td->o.mmapfile = get_opt_postfix(mem);
358
359 return 0;
360}
361
362static int fio_clock_source_cb(void *data, const char *str)
363{
364 struct thread_data *td = data;
365
366 fio_clock_source = td->o.clocksource;
367 fio_clock_source_set = 1;
368 fio_clock_init();
369 return 0;
370}
371
372static int str_rwmix_read_cb(void *data, unsigned long long *val)
373{
374 struct thread_data *td = data;
375
376 td->o.rwmix[DDIR_READ] = *val;
377 td->o.rwmix[DDIR_WRITE] = 100 - *val;
378 return 0;
379}
380
381static int str_rwmix_write_cb(void *data, unsigned long long *val)
382{
383 struct thread_data *td = data;
384
385 td->o.rwmix[DDIR_WRITE] = *val;
386 td->o.rwmix[DDIR_READ] = 100 - *val;
387 return 0;
388}
389
390static int str_exitall_cb(void)
391{
392 exitall_on_terminate = 1;
393 return 0;
394}
395
396#ifdef FIO_HAVE_CPU_AFFINITY
397static int str_cpumask_cb(void *data, unsigned long long *val)
398{
399 struct thread_data *td = data;
400 unsigned int i;
401 long max_cpu;
402 int ret;
403
404 if (parse_dryrun())
405 return 0;
406
407 ret = fio_cpuset_init(&td->o.cpumask);
408 if (ret < 0) {
409 log_err("fio: cpuset_init failed\n");
410 td_verror(td, ret, "fio_cpuset_init");
411 return 1;
412 }
413
414 max_cpu = cpus_online();
415
416 for (i = 0; i < sizeof(int) * 8; i++) {
417 if ((1 << i) & *val) {
418 if (i > max_cpu) {
419 log_err("fio: CPU %d too large (max=%ld)\n", i,
420 max_cpu);
421 return 1;
422 }
423 dprint(FD_PARSE, "set cpu allowed %d\n", i);
424 fio_cpu_set(&td->o.cpumask, i);
425 }
426 }
427
428 td->o.cpumask_set = 1;
429 return 0;
430}
431
432static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
433 const char *input)
434{
435 char *cpu, *str, *p;
436 long max_cpu;
437 int ret = 0;
438
439 ret = fio_cpuset_init(mask);
440 if (ret < 0) {
441 log_err("fio: cpuset_init failed\n");
442 td_verror(td, ret, "fio_cpuset_init");
443 return 1;
444 }
445
446 p = str = strdup(input);
447
448 strip_blank_front(&str);
449 strip_blank_end(str);
450
451 max_cpu = cpus_online();
452
453 while ((cpu = strsep(&str, ",")) != NULL) {
454 char *str2, *cpu2;
455 int icpu, icpu2;
456
457 if (!strlen(cpu))
458 break;
459
460 str2 = cpu;
461 icpu2 = -1;
462 while ((cpu2 = strsep(&str2, "-")) != NULL) {
463 if (!strlen(cpu2))
464 break;
465
466 icpu2 = atoi(cpu2);
467 }
468
469 icpu = atoi(cpu);
470 if (icpu2 == -1)
471 icpu2 = icpu;
472 while (icpu <= icpu2) {
473 if (icpu >= FIO_MAX_CPUS) {
474 log_err("fio: your OS only supports up to"
475 " %d CPUs\n", (int) FIO_MAX_CPUS);
476 ret = 1;
477 break;
478 }
479 if (icpu > max_cpu) {
480 log_err("fio: CPU %d too large (max=%ld)\n",
481 icpu, max_cpu);
482 ret = 1;
483 break;
484 }
485
486 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
487 fio_cpu_set(mask, icpu);
488 icpu++;
489 }
490 if (ret)
491 break;
492 }
493
494 free(p);
495 if (!ret)
496 td->o.cpumask_set = 1;
497 return ret;
498}
499
500static int str_cpus_allowed_cb(void *data, const char *input)
501{
502 struct thread_data *td = data;
503 int ret;
504
505 if (parse_dryrun())
506 return 0;
507
508 ret = set_cpus_allowed(td, &td->o.cpumask, input);
509 if (!ret)
510 td->o.cpumask_set = 1;
511
512 return ret;
513}
514
515static int str_verify_cpus_allowed_cb(void *data, const char *input)
516{
517 struct thread_data *td = data;
518 int ret;
519
520 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
521 if (!ret)
522 td->o.verify_cpumask_set = 1;
523
524 return ret;
525}
526#endif
527
528#ifdef CONFIG_LIBNUMA
529static int str_numa_cpunodes_cb(void *data, char *input)
530{
531 struct thread_data *td = data;
532
533 if (parse_dryrun())
534 return 0;
535
536 /* numa_parse_nodestring() parses a character string list
537 * of nodes into a bit mask. The bit mask is allocated by
538 * numa_allocate_nodemask(), so it should be freed by
539 * numa_free_nodemask().
540 */
541 td->o.numa_cpunodesmask = numa_parse_nodestring(input);
542 if (td->o.numa_cpunodesmask == NULL) {
543 log_err("fio: numa_parse_nodestring failed\n");
544 td_verror(td, 1, "str_numa_cpunodes_cb");
545 return 1;
546 }
547
548 td->o.numa_cpumask_set = 1;
549 return 0;
550}
551
552static int str_numa_mpol_cb(void *data, char *input)
553{
554 struct thread_data *td = data;
555 const char * const policy_types[] =
556 { "default", "prefer", "bind", "interleave", "local", NULL };
557 int i;
558 char *nodelist;
559
560 if (parse_dryrun())
561 return 0;
562
563 nodelist = strchr(input, ':');
564 if (nodelist) {
565 /* NUL-terminate mode */
566 *nodelist++ = '\0';
567 }
568
569 for (i = 0; i <= MPOL_LOCAL; i++) {
570 if (!strcmp(input, policy_types[i])) {
571 td->o.numa_mem_mode = i;
572 break;
573 }
574 }
575 if (i > MPOL_LOCAL) {
576 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
577 goto out;
578 }
579
580 switch (td->o.numa_mem_mode) {
581 case MPOL_PREFERRED:
582 /*
583 * Insist on a nodelist of one node only
584 */
585 if (nodelist) {
586 char *rest = nodelist;
587 while (isdigit(*rest))
588 rest++;
589 if (*rest) {
590 log_err("fio: one node only for \'prefer\'\n");
591 goto out;
592 }
593 } else {
594 log_err("fio: one node is needed for \'prefer\'\n");
595 goto out;
596 }
597 break;
598 case MPOL_INTERLEAVE:
599 /*
600 * Default to online nodes with memory if no nodelist
601 */
602 if (!nodelist)
603 nodelist = strdup("all");
604 break;
605 case MPOL_LOCAL:
606 case MPOL_DEFAULT:
607 /*
608 * Don't allow a nodelist
609 */
610 if (nodelist) {
611 log_err("fio: NO nodelist for \'local\'\n");
612 goto out;
613 }
614 break;
615 case MPOL_BIND:
616 /*
617 * Insist on a nodelist
618 */
619 if (!nodelist) {
620 log_err("fio: a nodelist is needed for \'bind\'\n");
621 goto out;
622 }
623 break;
624 }
625
626
627 /* numa_parse_nodestring() parses a character string list
628 * of nodes into a bit mask. The bit mask is allocated by
629 * numa_allocate_nodemask(), so it should be freed by
630 * numa_free_nodemask().
631 */
632 switch (td->o.numa_mem_mode) {
633 case MPOL_PREFERRED:
634 td->o.numa_mem_prefer_node = atoi(nodelist);
635 break;
636 case MPOL_INTERLEAVE:
637 case MPOL_BIND:
638 td->o.numa_memnodesmask = numa_parse_nodestring(nodelist);
639 if (td->o.numa_memnodesmask == NULL) {
640 log_err("fio: numa_parse_nodestring failed\n");
641 td_verror(td, 1, "str_numa_memnodes_cb");
642 return 1;
643 }
644 break;
645 case MPOL_LOCAL:
646 case MPOL_DEFAULT:
647 default:
648 break;
649 }
650
651 td->o.numa_memmask_set = 1;
652 return 0;
653
654out:
655 return 1;
656}
657#endif
658
659static int str_fst_cb(void *data, const char *str)
660{
661 struct thread_data *td = data;
662 char *nr = get_opt_postfix(str);
663
664 td->file_service_nr = 1;
665 if (nr) {
666 td->file_service_nr = atoi(nr);
667 free(nr);
668 }
669
670 return 0;
671}
672
673#ifdef CONFIG_SYNC_FILE_RANGE
674static int str_sfr_cb(void *data, const char *str)
675{
676 struct thread_data *td = data;
677 char *nr = get_opt_postfix(str);
678
679 td->sync_file_range_nr = 1;
680 if (nr) {
681 td->sync_file_range_nr = atoi(nr);
682 free(nr);
683 }
684
685 return 0;
686}
687#endif
688
689static int str_random_distribution_cb(void *data, const char *str)
690{
691 struct thread_data *td = data;
692 double val;
693 char *nr;
694
695 if (parse_dryrun())
696 return 0;
697
698 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
699 val = 1.1;
700 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
701 val = 0.2;
702 else
703 return 0;
704
705 nr = get_opt_postfix(str);
706 if (nr && !str_to_float(nr, &val)) {
707 log_err("fio: random postfix parsing failed\n");
708 free(nr);
709 return 1;
710 }
711
712 free(nr);
713
714 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
715 if (val == 1.00) {
716 log_err("fio: zipf theta must different than 1.0\n");
717 return 1;
718 }
719 td->o.zipf_theta.u.f = val;
720 } else {
721 if (val <= 0.00 || val >= 1.00) {
722 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
723 return 1;
724 }
725 td->o.pareto_h.u.f = val;
726 }
727
728 return 0;
729}
730
731/*
732 * Return next file in the string. Files are separated with ':'. If the ':'
733 * is escaped with a '\', then that ':' is part of the filename and does not
734 * indicate a new file.
735 */
736static char *get_next_file_name(char **ptr)
737{
738 char *str = *ptr;
739 char *p, *start;
740
741 if (!str || !strlen(str))
742 return NULL;
743
744 start = str;
745 do {
746 /*
747 * No colon, we are done
748 */
749 p = strchr(str, ':');
750 if (!p) {
751 *ptr = NULL;
752 break;
753 }
754
755 /*
756 * We got a colon, but it's the first character. Skip and
757 * continue
758 */
759 if (p == start) {
760 str = ++start;
761 continue;
762 }
763
764 if (*(p - 1) != '\\') {
765 *p = '\0';
766 *ptr = p + 1;
767 break;
768 }
769
770 memmove(p - 1, p, strlen(p) + 1);
771 str = p;
772 } while (1);
773
774 return start;
775}
776
777static int str_filename_cb(void *data, const char *input)
778{
779 struct thread_data *td = data;
780 char *fname, *str, *p;
781
782 p = str = strdup(input);
783
784 strip_blank_front(&str);
785 strip_blank_end(str);
786
787 if (!td->files_index)
788 td->o.nr_files = 0;
789
790 while ((fname = get_next_file_name(&str)) != NULL) {
791 if (!strlen(fname))
792 break;
793 add_file(td, fname);
794 td->o.nr_files++;
795 }
796
797 free(p);
798 return 0;
799}
800
801static int str_directory_cb(void *data, const char fio_unused *str)
802{
803 struct thread_data *td = data;
804 struct stat sb;
805
806 if (parse_dryrun())
807 return 0;
808
809 if (lstat(td->o.directory, &sb) < 0) {
810 int ret = errno;
811
812 log_err("fio: %s is not a directory\n", td->o.directory);
813 td_verror(td, ret, "lstat");
814 return 1;
815 }
816 if (!S_ISDIR(sb.st_mode)) {
817 log_err("fio: %s is not a directory\n", td->o.directory);
818 return 1;
819 }
820
821 return 0;
822}
823
824static int str_lockfile_cb(void *data, const char fio_unused *str)
825{
826 struct thread_data *td = data;
827
828 if (td->files_index) {
829 log_err("fio: lockfile= option must precede filename=\n");
830 return 1;
831 }
832
833 return 0;
834}
835
836static int str_opendir_cb(void *data, const char fio_unused *str)
837{
838 struct thread_data *td = data;
839
840 if (parse_dryrun())
841 return 0;
842
843 if (!td->files_index)
844 td->o.nr_files = 0;
845
846 return add_dir_files(td, td->o.opendir);
847}
848
849static int pattern_cb(char *pattern, unsigned int max_size,
850 const char *input, unsigned int *pattern_bytes)
851{
852 long off;
853 int i = 0, j = 0, len, k, base = 10;
854 uint32_t pattern_length;
855 char *loc1, *loc2;
856
857 loc1 = strstr(input, "0x");
858 loc2 = strstr(input, "0X");
859 if (loc1 || loc2)
860 base = 16;
861 off = strtol(input, NULL, base);
862 if (off != LONG_MAX || errno != ERANGE) {
863 while (off) {
864 pattern[i] = off & 0xff;
865 off >>= 8;
866 i++;
867 }
868 } else {
869 len = strlen(input);
870 k = len - 1;
871 if (base == 16) {
872 if (loc1)
873 j = loc1 - input + 2;
874 else
875 j = loc2 - input + 2;
876 } else
877 return 1;
878 if (len - j < max_size * 2) {
879 while (k >= j) {
880 off = converthexchartoint(input[k--]);
881 if (k >= j)
882 off += (converthexchartoint(input[k--])
883 * 16);
884 pattern[i++] = (char) off;
885 }
886 }
887 }
888
889 /*
890 * Fill the pattern all the way to the end. This greatly reduces
891 * the number of memcpy's we have to do when verifying the IO.
892 */
893 pattern_length = i;
894 while (i > 1 && i * 2 <= max_size) {
895 memcpy(&pattern[i], &pattern[0], i);
896 i *= 2;
897 }
898
899 /*
900 * Fill remainder, if the pattern multiple ends up not being
901 * max_size.
902 */
903 while (i > 1 && i < max_size) {
904 unsigned int b = min(pattern_length, max_size - i);
905
906 memcpy(&pattern[i], &pattern[0], b);
907 i += b;
908 }
909
910 if (i == 1) {
911 /*
912 * The code in verify_io_u_pattern assumes a single byte pattern
913 * fills the whole verify pattern buffer.
914 */
915 memset(pattern, pattern[0], max_size);
916 }
917
918 *pattern_bytes = i;
919 return 0;
920}
921
922static int str_buffer_pattern_cb(void *data, const char *input)
923{
924 struct thread_data *td = data;
925 int ret;
926
927 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
928 &td->o.buffer_pattern_bytes);
929
930 if (!ret) {
931 td->o.refill_buffers = 0;
932 td->o.scramble_buffers = 0;
933 td->o.zero_buffers = 0;
934 }
935
936 return ret;
937}
938
939static int str_verify_pattern_cb(void *data, const char *input)
940{
941 struct thread_data *td = data;
942 int ret;
943
944 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
945 &td->o.verify_pattern_bytes);
946
947 /*
948 * VERIFY_META could already be set
949 */
950 if (!ret && td->o.verify == VERIFY_NONE)
951 td->o.verify = VERIFY_PATTERN;
952
953 return ret;
954}
955
956static int str_gtod_reduce_cb(void *data, int *il)
957{
958 struct thread_data *td = data;
959 int val = *il;
960
961 td->o.disable_lat = !!val;
962 td->o.disable_clat = !!val;
963 td->o.disable_slat = !!val;
964 td->o.disable_bw = !!val;
965 td->o.clat_percentiles = !val;
966 if (val)
967 td->tv_cache_mask = 63;
968
969 return 0;
970}
971
972static int str_gtod_cpu_cb(void *data, long long *il)
973{
974 struct thread_data *td = data;
975 int val = *il;
976
977 td->o.gtod_cpu = val;
978 td->o.gtod_offload = 1;
979 return 0;
980}
981
982static int str_size_cb(void *data, unsigned long long *__val)
983{
984 struct thread_data *td = data;
985 unsigned long long v = *__val;
986
987 if (parse_is_percent(v)) {
988 td->o.size = 0;
989 td->o.size_percent = -1ULL - v;
990 } else
991 td->o.size = v;
992
993 return 0;
994}
995
996static int rw_verify(struct fio_option *o, void *data)
997{
998 struct thread_data *td = data;
999
1000 if (read_only && td_write(td)) {
1001 log_err("fio: job <%s> has write bit set, but fio is in"
1002 " read-only mode\n", td->o.name);
1003 return 1;
1004 }
1005
1006 return 0;
1007}
1008
1009static int gtod_cpu_verify(struct fio_option *o, void *data)
1010{
1011#ifndef FIO_HAVE_CPU_AFFINITY
1012 struct thread_data *td = data;
1013
1014 if (td->o.gtod_cpu) {
1015 log_err("fio: platform must support CPU affinity for"
1016 "gettimeofday() offloading\n");
1017 return 1;
1018 }
1019#endif
1020
1021 return 0;
1022}
1023
1024/*
1025 * Option grouping
1026 */
1027static struct opt_group fio_opt_groups[] = {
1028 {
1029 .name = "General",
1030 .mask = FIO_OPT_C_GENERAL,
1031 },
1032 {
1033 .name = "I/O",
1034 .mask = FIO_OPT_C_IO,
1035 },
1036 {
1037 .name = "File",
1038 .mask = FIO_OPT_C_FILE,
1039 },
1040 {
1041 .name = "Statistics",
1042 .mask = FIO_OPT_C_STAT,
1043 },
1044 {
1045 .name = "Logging",
1046 .mask = FIO_OPT_C_LOG,
1047 },
1048 {
1049 .name = "Profiles",
1050 .mask = FIO_OPT_C_PROFILE,
1051 },
1052 {
1053 .name = NULL,
1054 },
1055};
1056
1057static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1058 unsigned int inv_mask)
1059{
1060 struct opt_group *og;
1061 int i;
1062
1063 if (*mask == inv_mask || !*mask)
1064 return NULL;
1065
1066 for (i = 0; ogs[i].name; i++) {
1067 og = &ogs[i];
1068
1069 if (*mask & og->mask) {
1070 *mask &= ~(og->mask);
1071 return og;
1072 }
1073 }
1074
1075 return NULL;
1076}
1077
1078struct opt_group *opt_group_from_mask(unsigned int *mask)
1079{
1080 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1081}
1082
1083static struct opt_group fio_opt_cat_groups[] = {
1084 {
1085 .name = "Latency profiling",
1086 .mask = FIO_OPT_G_LATPROF,
1087 },
1088 {
1089 .name = "Rate",
1090 .mask = FIO_OPT_G_RATE,
1091 },
1092 {
1093 .name = "Zone",
1094 .mask = FIO_OPT_G_ZONE,
1095 },
1096 {
1097 .name = "Read/write mix",
1098 .mask = FIO_OPT_G_RWMIX,
1099 },
1100 {
1101 .name = "Verify",
1102 .mask = FIO_OPT_G_VERIFY,
1103 },
1104 {
1105 .name = "Trim",
1106 .mask = FIO_OPT_G_TRIM,
1107 },
1108 {
1109 .name = "I/O Logging",
1110 .mask = FIO_OPT_G_IOLOG,
1111 },
1112 {
1113 .name = "I/O Depth",
1114 .mask = FIO_OPT_G_IO_DEPTH,
1115 },
1116 {
1117 .name = "I/O Flow",
1118 .mask = FIO_OPT_G_IO_FLOW,
1119 },
1120 {
1121 .name = "Description",
1122 .mask = FIO_OPT_G_DESC,
1123 },
1124 {
1125 .name = "Filename",
1126 .mask = FIO_OPT_G_FILENAME,
1127 },
1128 {
1129 .name = "General I/O",
1130 .mask = FIO_OPT_G_IO_BASIC,
1131 },
1132 {
1133 .name = "Cgroups",
1134 .mask = FIO_OPT_G_CGROUP,
1135 },
1136 {
1137 .name = "Runtime",
1138 .mask = FIO_OPT_G_RUNTIME,
1139 },
1140 {
1141 .name = "Process",
1142 .mask = FIO_OPT_G_PROCESS,
1143 },
1144 {
1145 .name = "Job credentials / priority",
1146 .mask = FIO_OPT_G_CRED,
1147 },
1148 {
1149 .name = "Clock settings",
1150 .mask = FIO_OPT_G_CLOCK,
1151 },
1152 {
1153 .name = "I/O Type",
1154 .mask = FIO_OPT_G_IO_TYPE,
1155 },
1156 {
1157 .name = "I/O Thinktime",
1158 .mask = FIO_OPT_G_THINKTIME,
1159 },
1160 {
1161 .name = "Randomizations",
1162 .mask = FIO_OPT_G_RANDOM,
1163 },
1164 {
1165 .name = "I/O buffers",
1166 .mask = FIO_OPT_G_IO_BUF,
1167 },
1168 {
1169 .name = "Tiobench profile",
1170 .mask = FIO_OPT_G_TIOBENCH,
1171 },
1172
1173 {
1174 .name = NULL,
1175 }
1176};
1177
1178struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
1179{
1180 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
1181}
1182
1183/*
1184 * Map of job/command line options
1185 */
1186struct fio_option fio_options[FIO_MAX_OPTS] = {
1187 {
1188 .name = "description",
1189 .lname = "Description of job",
1190 .type = FIO_OPT_STR_STORE,
1191 .off1 = td_var_offset(description),
1192 .help = "Text job description",
1193 .category = FIO_OPT_C_GENERAL,
1194 .group = FIO_OPT_G_DESC,
1195 },
1196 {
1197 .name = "name",
1198 .lname = "Job name",
1199 .type = FIO_OPT_STR_STORE,
1200 .off1 = td_var_offset(name),
1201 .help = "Name of this job",
1202 .category = FIO_OPT_C_GENERAL,
1203 .group = FIO_OPT_G_DESC,
1204 },
1205 {
1206 .name = "filename",
1207 .lname = "Filename(s)",
1208 .type = FIO_OPT_STR_STORE,
1209 .off1 = td_var_offset(filename),
1210 .cb = str_filename_cb,
1211 .prio = -1, /* must come after "directory" */
1212 .help = "File(s) to use for the workload",
1213 .category = FIO_OPT_C_FILE,
1214 .group = FIO_OPT_G_FILENAME,
1215 },
1216 {
1217 .name = "directory",
1218 .lname = "Directory",
1219 .type = FIO_OPT_STR_STORE,
1220 .off1 = td_var_offset(directory),
1221 .cb = str_directory_cb,
1222 .help = "Directory to store files in",
1223 .category = FIO_OPT_C_FILE,
1224 .group = FIO_OPT_G_FILENAME,
1225 },
1226 {
1227 .name = "filename_format",
1228 .type = FIO_OPT_STR_STORE,
1229 .off1 = td_var_offset(filename_format),
1230 .prio = -1, /* must come after "directory" */
1231 .help = "Override default $jobname.$jobnum.$filenum naming",
1232 .def = "$jobname.$jobnum.$filenum",
1233 .category = FIO_OPT_C_FILE,
1234 .group = FIO_OPT_G_FILENAME,
1235 },
1236 {
1237 .name = "lockfile",
1238 .lname = "Lockfile",
1239 .type = FIO_OPT_STR,
1240 .off1 = td_var_offset(file_lock_mode),
1241 .help = "Lock file when doing IO to it",
1242 .prio = 1,
1243 .parent = "filename",
1244 .hide = 0,
1245 .def = "none",
1246 .cb = str_lockfile_cb,
1247 .category = FIO_OPT_C_FILE,
1248 .group = FIO_OPT_G_FILENAME,
1249 .posval = {
1250 { .ival = "none",
1251 .oval = FILE_LOCK_NONE,
1252 .help = "No file locking",
1253 },
1254 { .ival = "exclusive",
1255 .oval = FILE_LOCK_EXCLUSIVE,
1256 .help = "Exclusive file lock",
1257 },
1258 {
1259 .ival = "readwrite",
1260 .oval = FILE_LOCK_READWRITE,
1261 .help = "Read vs write lock",
1262 },
1263 },
1264 },
1265 {
1266 .name = "opendir",
1267 .lname = "Open directory",
1268 .type = FIO_OPT_STR_STORE,
1269 .off1 = td_var_offset(opendir),
1270 .cb = str_opendir_cb,
1271 .help = "Recursively add files from this directory and down",
1272 .category = FIO_OPT_C_FILE,
1273 .group = FIO_OPT_G_FILENAME,
1274 },
1275 {
1276 .name = "rw",
1277 .lname = "Read/write",
1278 .alias = "readwrite",
1279 .type = FIO_OPT_STR,
1280 .cb = str_rw_cb,
1281 .off1 = td_var_offset(td_ddir),
1282 .help = "IO direction",
1283 .def = "read",
1284 .verify = rw_verify,
1285 .category = FIO_OPT_C_IO,
1286 .group = FIO_OPT_G_IO_BASIC,
1287 .posval = {
1288 { .ival = "read",
1289 .oval = TD_DDIR_READ,
1290 .help = "Sequential read",
1291 },
1292 { .ival = "write",
1293 .oval = TD_DDIR_WRITE,
1294 .help = "Sequential write",
1295 },
1296 { .ival = "trim",
1297 .oval = TD_DDIR_TRIM,
1298 .help = "Sequential trim",
1299 },
1300 { .ival = "randread",
1301 .oval = TD_DDIR_RANDREAD,
1302 .help = "Random read",
1303 },
1304 { .ival = "randwrite",
1305 .oval = TD_DDIR_RANDWRITE,
1306 .help = "Random write",
1307 },
1308 { .ival = "randtrim",
1309 .oval = TD_DDIR_RANDTRIM,
1310 .help = "Random trim",
1311 },
1312 { .ival = "rw",
1313 .oval = TD_DDIR_RW,
1314 .help = "Sequential read and write mix",
1315 },
1316 { .ival = "readwrite",
1317 .oval = TD_DDIR_RW,
1318 .help = "Sequential read and write mix",
1319 },
1320 { .ival = "randrw",
1321 .oval = TD_DDIR_RANDRW,
1322 .help = "Random read and write mix"
1323 },
1324 },
1325 },
1326 {
1327 .name = "rw_sequencer",
1328 .lname = "RW Sequencer",
1329 .type = FIO_OPT_STR,
1330 .off1 = td_var_offset(rw_seq),
1331 .help = "IO offset generator modifier",
1332 .def = "sequential",
1333 .category = FIO_OPT_C_IO,
1334 .group = FIO_OPT_G_IO_BASIC,
1335 .posval = {
1336 { .ival = "sequential",
1337 .oval = RW_SEQ_SEQ,
1338 .help = "Generate sequential offsets",
1339 },
1340 { .ival = "identical",
1341 .oval = RW_SEQ_IDENT,
1342 .help = "Generate identical offsets",
1343 },
1344 },
1345 },
1346
1347 {
1348 .name = "ioengine",
1349 .lname = "IO Engine",
1350 .type = FIO_OPT_STR_STORE,
1351 .off1 = td_var_offset(ioengine),
1352 .help = "IO engine to use",
1353 .def = FIO_PREFERRED_ENGINE,
1354 .category = FIO_OPT_C_IO,
1355 .group = FIO_OPT_G_IO_BASIC,
1356 .posval = {
1357 { .ival = "sync",
1358 .help = "Use read/write",
1359 },
1360 { .ival = "psync",
1361 .help = "Use pread/pwrite",
1362 },
1363 { .ival = "vsync",
1364 .help = "Use readv/writev",
1365 },
1366#ifdef CONFIG_PWRITEV
1367 { .ival = "pvsync",
1368 .help = "Use preadv/pwritev",
1369 },
1370#endif
1371#ifdef CONFIG_LIBAIO
1372 { .ival = "libaio",
1373 .help = "Linux native asynchronous IO",
1374 },
1375#endif
1376#ifdef CONFIG_POSIXAIO
1377 { .ival = "posixaio",
1378 .help = "POSIX asynchronous IO",
1379 },
1380#endif
1381#ifdef CONFIG_SOLARISAIO
1382 { .ival = "solarisaio",
1383 .help = "Solaris native asynchronous IO",
1384 },
1385#endif
1386#ifdef CONFIG_WINDOWSAIO
1387 { .ival = "windowsaio",
1388 .help = "Windows native asynchronous IO"
1389 },
1390#endif
1391 { .ival = "mmap",
1392 .help = "Memory mapped IO"
1393 },
1394#ifdef CONFIG_LINUX_SPLICE
1395 { .ival = "splice",
1396 .help = "splice/vmsplice based IO",
1397 },
1398 { .ival = "netsplice",
1399 .help = "splice/vmsplice to/from the network",
1400 },
1401#endif
1402#ifdef FIO_HAVE_SGIO
1403 { .ival = "sg",
1404 .help = "SCSI generic v3 IO",
1405 },
1406#endif
1407 { .ival = "null",
1408 .help = "Testing engine (no data transfer)",
1409 },
1410 { .ival = "net",
1411 .help = "Network IO",
1412 },
1413 { .ival = "cpuio",
1414 .help = "CPU cycle burner engine",
1415 },
1416#ifdef CONFIG_GUASI
1417 { .ival = "guasi",
1418 .help = "GUASI IO engine",
1419 },
1420#endif
1421#ifdef FIO_HAVE_BINJECT
1422 { .ival = "binject",
1423 .help = "binject direct inject block engine",
1424 },
1425#endif
1426#ifdef CONFIG_RDMA
1427 { .ival = "rdma",
1428 .help = "RDMA IO engine",
1429 },
1430#endif
1431#ifdef CONFIG_FUSION_AW
1432 { .ival = "fusion-aw-sync",
1433 .help = "Fusion-io atomic write engine",
1434 },
1435#endif
1436#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1437 { .ival = "e4defrag",
1438 .help = "ext4 defrag engine",
1439 },
1440#endif
1441#ifdef CONFIG_LINUX_FALLOCATE
1442 { .ival = "falloc",
1443 .help = "fallocate() file based engine",
1444 },
1445#endif
1446 { .ival = "external",
1447 .help = "Load external engine (append name)",
1448 },
1449 },
1450 },
1451 {
1452 .name = "iodepth",
1453 .lname = "IO Depth",
1454 .type = FIO_OPT_INT,
1455 .off1 = td_var_offset(iodepth),
1456 .help = "Number of IO buffers to keep in flight",
1457 .minval = 1,
1458 .interval = 1,
1459 .def = "1",
1460 .category = FIO_OPT_C_IO,
1461 .group = FIO_OPT_G_IO_BASIC,
1462 },
1463 {
1464 .name = "iodepth_batch",
1465 .lname = "IO Depth batch",
1466 .alias = "iodepth_batch_submit",
1467 .type = FIO_OPT_INT,
1468 .off1 = td_var_offset(iodepth_batch),
1469 .help = "Number of IO buffers to submit in one go",
1470 .parent = "iodepth",
1471 .hide = 1,
1472 .minval = 1,
1473 .interval = 1,
1474 .def = "1",
1475 .category = FIO_OPT_C_IO,
1476 .group = FIO_OPT_G_IO_BASIC,
1477 },
1478 {
1479 .name = "iodepth_batch_complete",
1480 .lname = "IO Depth batch complete",
1481 .type = FIO_OPT_INT,
1482 .off1 = td_var_offset(iodepth_batch_complete),
1483 .help = "Number of IO buffers to retrieve in one go",
1484 .parent = "iodepth",
1485 .hide = 1,
1486 .minval = 0,
1487 .interval = 1,
1488 .def = "1",
1489 .category = FIO_OPT_C_IO,
1490 .group = FIO_OPT_G_IO_BASIC,
1491 },
1492 {
1493 .name = "iodepth_low",
1494 .lname = "IO Depth batch low",
1495 .type = FIO_OPT_INT,
1496 .off1 = td_var_offset(iodepth_low),
1497 .help = "Low water mark for queuing depth",
1498 .parent = "iodepth",
1499 .hide = 1,
1500 .interval = 1,
1501 .category = FIO_OPT_C_IO,
1502 .group = FIO_OPT_G_IO_BASIC,
1503 },
1504 {
1505 .name = "size",
1506 .lname = "Size",
1507 .type = FIO_OPT_STR_VAL,
1508 .cb = str_size_cb,
1509 .help = "Total size of device or files",
1510 .interval = 1024 * 1024,
1511 .category = FIO_OPT_C_IO,
1512 .group = FIO_OPT_G_INVALID,
1513 },
1514 {
1515 .name = "fill_device",
1516 .lname = "Fill device",
1517 .alias = "fill_fs",
1518 .type = FIO_OPT_BOOL,
1519 .off1 = td_var_offset(fill_device),
1520 .help = "Write until an ENOSPC error occurs",
1521 .def = "0",
1522 .category = FIO_OPT_C_FILE,
1523 .group = FIO_OPT_G_INVALID,
1524 },
1525 {
1526 .name = "filesize",
1527 .lname = "File size",
1528 .type = FIO_OPT_STR_VAL,
1529 .off1 = td_var_offset(file_size_low),
1530 .off2 = td_var_offset(file_size_high),
1531 .minval = 1,
1532 .help = "Size of individual files",
1533 .interval = 1024 * 1024,
1534 .category = FIO_OPT_C_FILE,
1535 .group = FIO_OPT_G_INVALID,
1536 },
1537 {
1538 .name = "offset",
1539 .lname = "IO offset",
1540 .alias = "fileoffset",
1541 .type = FIO_OPT_STR_VAL,
1542 .off1 = td_var_offset(start_offset),
1543 .help = "Start IO from this offset",
1544 .def = "0",
1545 .interval = 1024 * 1024,
1546 .category = FIO_OPT_C_IO,
1547 .group = FIO_OPT_G_INVALID,
1548 },
1549 {
1550 .name = "offset_increment",
1551 .lname = "IO offset increment",
1552 .type = FIO_OPT_STR_VAL,
1553 .off1 = td_var_offset(offset_increment),
1554 .help = "What is the increment from one offset to the next",
1555 .parent = "offset",
1556 .hide = 1,
1557 .def = "0",
1558 .interval = 1024 * 1024,
1559 .category = FIO_OPT_C_IO,
1560 .group = FIO_OPT_G_INVALID,
1561 },
1562 {
1563 .name = "number_ios",
1564 .lname = "Number of IOs to perform",
1565 .type = FIO_OPT_STR_VAL,
1566 .off1 = td_var_offset(number_ios),
1567 .help = "Force job completion of this number of IOs",
1568 .def = "0",
1569 .category = FIO_OPT_C_IO,
1570 .group = FIO_OPT_G_INVALID,
1571 },
1572 {
1573 .name = "bs",
1574 .lname = "Block size",
1575 .alias = "blocksize",
1576 .type = FIO_OPT_INT,
1577 .off1 = td_var_offset(bs[DDIR_READ]),
1578 .off2 = td_var_offset(bs[DDIR_WRITE]),
1579 .off3 = td_var_offset(bs[DDIR_TRIM]),
1580 .minval = 1,
1581 .help = "Block size unit",
1582 .def = "4k",
1583 .parent = "rw",
1584 .hide = 1,
1585 .interval = 512,
1586 .category = FIO_OPT_C_IO,
1587 .group = FIO_OPT_G_INVALID,
1588 },
1589 {
1590 .name = "ba",
1591 .lname = "Block size align",
1592 .alias = "blockalign",
1593 .type = FIO_OPT_INT,
1594 .off1 = td_var_offset(ba[DDIR_READ]),
1595 .off2 = td_var_offset(ba[DDIR_WRITE]),
1596 .off3 = td_var_offset(ba[DDIR_TRIM]),
1597 .minval = 1,
1598 .help = "IO block offset alignment",
1599 .parent = "rw",
1600 .hide = 1,
1601 .interval = 512,
1602 .category = FIO_OPT_C_IO,
1603 .group = FIO_OPT_G_INVALID,
1604 },
1605 {
1606 .name = "bsrange",
1607 .lname = "Block size range",
1608 .alias = "blocksize_range",
1609 .type = FIO_OPT_RANGE,
1610 .off1 = td_var_offset(min_bs[DDIR_READ]),
1611 .off2 = td_var_offset(max_bs[DDIR_READ]),
1612 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1613 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1614 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1615 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1616 .minval = 1,
1617 .help = "Set block size range (in more detail than bs)",
1618 .parent = "rw",
1619 .hide = 1,
1620 .interval = 4096,
1621 .category = FIO_OPT_C_IO,
1622 .group = FIO_OPT_G_INVALID,
1623 },
1624 {
1625 .name = "bssplit",
1626 .lname = "Block size split",
1627 .type = FIO_OPT_STR,
1628 .cb = str_bssplit_cb,
1629 .help = "Set a specific mix of block sizes",
1630 .parent = "rw",
1631 .hide = 1,
1632 .category = FIO_OPT_C_IO,
1633 .group = FIO_OPT_G_INVALID,
1634 },
1635 {
1636 .name = "bs_unaligned",
1637 .lname = "Block size unaligned",
1638 .alias = "blocksize_unaligned",
1639 .type = FIO_OPT_STR_SET,
1640 .off1 = td_var_offset(bs_unaligned),
1641 .help = "Don't sector align IO buffer sizes",
1642 .parent = "rw",
1643 .hide = 1,
1644 .category = FIO_OPT_C_IO,
1645 .group = FIO_OPT_G_INVALID,
1646 },
1647 {
1648 .name = "bs_is_seq_rand",
1649 .lname = "Block size division is seq/random (not read/write)",
1650 .type = FIO_OPT_BOOL,
1651 .off1 = td_var_offset(bs_is_seq_rand),
1652 .help = "Consider any blocksize setting to be sequential,ramdom",
1653 .def = "0",
1654 .parent = "blocksize",
1655 .category = FIO_OPT_C_IO,
1656 .group = FIO_OPT_G_INVALID,
1657 },
1658 {
1659 .name = "randrepeat",
1660 .lname = "Random repeatable",
1661 .type = FIO_OPT_BOOL,
1662 .off1 = td_var_offset(rand_repeatable),
1663 .help = "Use repeatable random IO pattern",
1664 .def = "1",
1665 .parent = "rw",
1666 .hide = 1,
1667 .category = FIO_OPT_C_IO,
1668 .group = FIO_OPT_G_RANDOM,
1669 },
1670 {
1671 .name = "randseed",
1672 .lname = "The random generator seed",
1673 .type = FIO_OPT_STR_VAL,
1674 .off1 = td_var_offset(rand_seed),
1675 .help = "Set the random generator seed value",
1676 .parent = "rw",
1677 .category = FIO_OPT_C_IO,
1678 .group = FIO_OPT_G_RANDOM,
1679 },
1680 {
1681 .name = "use_os_rand",
1682 .lname = "Use OS random",
1683 .type = FIO_OPT_BOOL,
1684 .off1 = td_var_offset(use_os_rand),
1685 .help = "Set to use OS random generator",
1686 .def = "0",
1687 .parent = "rw",
1688 .hide = 1,
1689 .category = FIO_OPT_C_IO,
1690 .group = FIO_OPT_G_RANDOM,
1691 },
1692 {
1693 .name = "norandommap",
1694 .lname = "No randommap",
1695 .type = FIO_OPT_STR_SET,
1696 .off1 = td_var_offset(norandommap),
1697 .help = "Accept potential duplicate random blocks",
1698 .parent = "rw",
1699 .hide = 1,
1700 .hide_on_set = 1,
1701 .category = FIO_OPT_C_IO,
1702 .group = FIO_OPT_G_RANDOM,
1703 },
1704 {
1705 .name = "softrandommap",
1706 .lname = "Soft randommap",
1707 .type = FIO_OPT_BOOL,
1708 .off1 = td_var_offset(softrandommap),
1709 .help = "Set norandommap if randommap allocation fails",
1710 .parent = "norandommap",
1711 .hide = 1,
1712 .def = "0",
1713 .category = FIO_OPT_C_IO,
1714 .group = FIO_OPT_G_RANDOM,
1715 },
1716 {
1717 .name = "random_generator",
1718 .type = FIO_OPT_STR,
1719 .off1 = td_var_offset(random_generator),
1720 .help = "Type of random number generator to use",
1721 .def = "tausworthe",
1722 .posval = {
1723 { .ival = "tausworthe",
1724 .oval = FIO_RAND_GEN_TAUSWORTHE,
1725 .help = "Strong Tausworthe generator",
1726 },
1727 { .ival = "lfsr",
1728 .oval = FIO_RAND_GEN_LFSR,
1729 .help = "Variable length LFSR",
1730 },
1731 },
1732 .category = FIO_OPT_C_IO,
1733 .group = FIO_OPT_G_RANDOM,
1734 },
1735 {
1736 .name = "random_distribution",
1737 .type = FIO_OPT_STR,
1738 .off1 = td_var_offset(random_distribution),
1739 .cb = str_random_distribution_cb,
1740 .help = "Random offset distribution generator",
1741 .def = "random",
1742 .posval = {
1743 { .ival = "random",
1744 .oval = FIO_RAND_DIST_RANDOM,
1745 .help = "Completely random",
1746 },
1747 { .ival = "zipf",
1748 .oval = FIO_RAND_DIST_ZIPF,
1749 .help = "Zipf distribution",
1750 },
1751 { .ival = "pareto",
1752 .oval = FIO_RAND_DIST_PARETO,
1753 .help = "Pareto distribution",
1754 },
1755 },
1756 .category = FIO_OPT_C_IO,
1757 .group = FIO_OPT_G_RANDOM,
1758 },
1759 {
1760 .name = "percentage_random",
1761 .lname = "Percentage Random",
1762 .type = FIO_OPT_INT,
1763 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1764 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1765 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
1766 .maxval = 100,
1767 .help = "Percentage of seq/random mix that should be random",
1768 .def = "100,100,100",
1769 .interval = 5,
1770 .inverse = "percentage_sequential",
1771 .category = FIO_OPT_C_IO,
1772 .group = FIO_OPT_G_RANDOM,
1773 },
1774 {
1775 .name = "percentage_sequential",
1776 .lname = "Percentage Sequential",
1777 .type = FIO_OPT_DEPRECATED,
1778 .category = FIO_OPT_C_IO,
1779 .group = FIO_OPT_G_RANDOM,
1780 },
1781 {
1782 .name = "nrfiles",
1783 .lname = "Number of files",
1784 .alias = "nr_files",
1785 .type = FIO_OPT_INT,
1786 .off1 = td_var_offset(nr_files),
1787 .help = "Split job workload between this number of files",
1788 .def = "1",
1789 .interval = 1,
1790 .category = FIO_OPT_C_FILE,
1791 .group = FIO_OPT_G_INVALID,
1792 },
1793 {
1794 .name = "openfiles",
1795 .lname = "Number of open files",
1796 .type = FIO_OPT_INT,
1797 .off1 = td_var_offset(open_files),
1798 .help = "Number of files to keep open at the same time",
1799 .category = FIO_OPT_C_FILE,
1800 .group = FIO_OPT_G_INVALID,
1801 },
1802 {
1803 .name = "file_service_type",
1804 .lname = "File service type",
1805 .type = FIO_OPT_STR,
1806 .cb = str_fst_cb,
1807 .off1 = td_var_offset(file_service_type),
1808 .help = "How to select which file to service next",
1809 .def = "roundrobin",
1810 .category = FIO_OPT_C_FILE,
1811 .group = FIO_OPT_G_INVALID,
1812 .posval = {
1813 { .ival = "random",
1814 .oval = FIO_FSERVICE_RANDOM,
1815 .help = "Choose a file at random",
1816 },
1817 { .ival = "roundrobin",
1818 .oval = FIO_FSERVICE_RR,
1819 .help = "Round robin select files",
1820 },
1821 { .ival = "sequential",
1822 .oval = FIO_FSERVICE_SEQ,
1823 .help = "Finish one file before moving to the next",
1824 },
1825 },
1826 .parent = "nrfiles",
1827 .hide = 1,
1828 },
1829#ifdef CONFIG_POSIX_FALLOCATE
1830 {
1831 .name = "fallocate",
1832 .lname = "Fallocate",
1833 .type = FIO_OPT_STR,
1834 .off1 = td_var_offset(fallocate_mode),
1835 .help = "Whether pre-allocation is performed when laying out files",
1836 .def = "posix",
1837 .category = FIO_OPT_C_FILE,
1838 .group = FIO_OPT_G_INVALID,
1839 .posval = {
1840 { .ival = "none",
1841 .oval = FIO_FALLOCATE_NONE,
1842 .help = "Do not pre-allocate space",
1843 },
1844 { .ival = "posix",
1845 .oval = FIO_FALLOCATE_POSIX,
1846 .help = "Use posix_fallocate()",
1847 },
1848#ifdef CONFIG_LINUX_FALLOCATE
1849 { .ival = "keep",
1850 .oval = FIO_FALLOCATE_KEEP_SIZE,
1851 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1852 },
1853#endif
1854 /* Compatibility with former boolean values */
1855 { .ival = "0",
1856 .oval = FIO_FALLOCATE_NONE,
1857 .help = "Alias for 'none'",
1858 },
1859 { .ival = "1",
1860 .oval = FIO_FALLOCATE_POSIX,
1861 .help = "Alias for 'posix'",
1862 },
1863 },
1864 },
1865#endif /* CONFIG_POSIX_FALLOCATE */
1866 {
1867 .name = "fadvise_hint",
1868 .lname = "Fadvise hint",
1869 .type = FIO_OPT_BOOL,
1870 .off1 = td_var_offset(fadvise_hint),
1871 .help = "Use fadvise() to advise the kernel on IO pattern",
1872 .def = "1",
1873 .category = FIO_OPT_C_FILE,
1874 .group = FIO_OPT_G_INVALID,
1875 },
1876 {
1877 .name = "fsync",
1878 .lname = "Fsync",
1879 .type = FIO_OPT_INT,
1880 .off1 = td_var_offset(fsync_blocks),
1881 .help = "Issue fsync for writes every given number of blocks",
1882 .def = "0",
1883 .interval = 1,
1884 .category = FIO_OPT_C_FILE,
1885 .group = FIO_OPT_G_INVALID,
1886 },
1887 {
1888 .name = "fdatasync",
1889 .lname = "Fdatasync",
1890 .type = FIO_OPT_INT,
1891 .off1 = td_var_offset(fdatasync_blocks),
1892 .help = "Issue fdatasync for writes every given number of blocks",
1893 .def = "0",
1894 .interval = 1,
1895 .category = FIO_OPT_C_FILE,
1896 .group = FIO_OPT_G_INVALID,
1897 },
1898 {
1899 .name = "write_barrier",
1900 .lname = "Write barrier",
1901 .type = FIO_OPT_INT,
1902 .off1 = td_var_offset(barrier_blocks),
1903 .help = "Make every Nth write a barrier write",
1904 .def = "0",
1905 .interval = 1,
1906 .category = FIO_OPT_C_IO,
1907 .group = FIO_OPT_G_INVALID,
1908 },
1909#ifdef CONFIG_SYNC_FILE_RANGE
1910 {
1911 .name = "sync_file_range",
1912 .lname = "Sync file range",
1913 .posval = {
1914 { .ival = "wait_before",
1915 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
1916 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
1917 .or = 1,
1918 },
1919 { .ival = "write",
1920 .oval = SYNC_FILE_RANGE_WRITE,
1921 .help = "SYNC_FILE_RANGE_WRITE",
1922 .or = 1,
1923 },
1924 {
1925 .ival = "wait_after",
1926 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
1927 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
1928 .or = 1,
1929 },
1930 },
1931 .type = FIO_OPT_STR_MULTI,
1932 .cb = str_sfr_cb,
1933 .off1 = td_var_offset(sync_file_range),
1934 .help = "Use sync_file_range()",
1935 .category = FIO_OPT_C_FILE,
1936 .group = FIO_OPT_G_INVALID,
1937 },
1938#endif
1939 {
1940 .name = "direct",
1941 .lname = "Direct I/O",
1942 .type = FIO_OPT_BOOL,
1943 .off1 = td_var_offset(odirect),
1944 .help = "Use O_DIRECT IO (negates buffered)",
1945 .def = "0",
1946 .inverse = "buffered",
1947 .category = FIO_OPT_C_IO,
1948 .group = FIO_OPT_G_IO_TYPE,
1949 },
1950 {
1951 .name = "atomic",
1952 .lname = "Atomic I/O",
1953 .type = FIO_OPT_BOOL,
1954 .off1 = td_var_offset(oatomic),
1955 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
1956 .def = "0",
1957 .category = FIO_OPT_C_IO,
1958 .group = FIO_OPT_G_IO_TYPE,
1959 },
1960 {
1961 .name = "buffered",
1962 .lname = "Buffered I/O",
1963 .type = FIO_OPT_BOOL,
1964 .off1 = td_var_offset(odirect),
1965 .neg = 1,
1966 .help = "Use buffered IO (negates direct)",
1967 .def = "1",
1968 .inverse = "direct",
1969 .category = FIO_OPT_C_IO,
1970 .group = FIO_OPT_G_IO_TYPE,
1971 },
1972 {
1973 .name = "overwrite",
1974 .lname = "Overwrite",
1975 .type = FIO_OPT_BOOL,
1976 .off1 = td_var_offset(overwrite),
1977 .help = "When writing, set whether to overwrite current data",
1978 .def = "0",
1979 .category = FIO_OPT_C_FILE,
1980 .group = FIO_OPT_G_INVALID,
1981 },
1982 {
1983 .name = "loops",
1984 .lname = "Loops",
1985 .type = FIO_OPT_INT,
1986 .off1 = td_var_offset(loops),
1987 .help = "Number of times to run the job",
1988 .def = "1",
1989 .interval = 1,
1990 .category = FIO_OPT_C_GENERAL,
1991 .group = FIO_OPT_G_RUNTIME,
1992 },
1993 {
1994 .name = "numjobs",
1995 .lname = "Number of jobs",
1996 .type = FIO_OPT_INT,
1997 .off1 = td_var_offset(numjobs),
1998 .help = "Duplicate this job this many times",
1999 .def = "1",
2000 .interval = 1,
2001 .category = FIO_OPT_C_GENERAL,
2002 .group = FIO_OPT_G_RUNTIME,
2003 },
2004 {
2005 .name = "startdelay",
2006 .lname = "Start delay",
2007 .type = FIO_OPT_STR_VAL_TIME,
2008 .off1 = td_var_offset(start_delay),
2009 .help = "Only start job when this period has passed",
2010 .def = "0",
2011 .category = FIO_OPT_C_GENERAL,
2012 .group = FIO_OPT_G_RUNTIME,
2013 },
2014 {
2015 .name = "runtime",
2016 .lname = "Runtime",
2017 .alias = "timeout",
2018 .type = FIO_OPT_STR_VAL_TIME,
2019 .off1 = td_var_offset(timeout),
2020 .help = "Stop workload when this amount of time has passed",
2021 .def = "0",
2022 .category = FIO_OPT_C_GENERAL,
2023 .group = FIO_OPT_G_RUNTIME,
2024 },
2025 {
2026 .name = "time_based",
2027 .lname = "Time based",
2028 .type = FIO_OPT_STR_SET,
2029 .off1 = td_var_offset(time_based),
2030 .help = "Keep running until runtime/timeout is met",
2031 .category = FIO_OPT_C_GENERAL,
2032 .group = FIO_OPT_G_RUNTIME,
2033 },
2034 {
2035 .name = "verify_only",
2036 .lname = "Verify only",
2037 .type = FIO_OPT_STR_SET,
2038 .off1 = td_var_offset(verify_only),
2039 .help = "Verifies previously written data is still valid",
2040 .category = FIO_OPT_C_GENERAL,
2041 .group = FIO_OPT_G_RUNTIME,
2042 },
2043 {
2044 .name = "ramp_time",
2045 .lname = "Ramp time",
2046 .type = FIO_OPT_STR_VAL_TIME,
2047 .off1 = td_var_offset(ramp_time),
2048 .help = "Ramp up time before measuring performance",
2049 .category = FIO_OPT_C_GENERAL,
2050 .group = FIO_OPT_G_RUNTIME,
2051 },
2052 {
2053 .name = "clocksource",
2054 .lname = "Clock source",
2055 .type = FIO_OPT_STR,
2056 .cb = fio_clock_source_cb,
2057 .off1 = td_var_offset(clocksource),
2058 .help = "What type of timing source to use",
2059 .category = FIO_OPT_C_GENERAL,
2060 .group = FIO_OPT_G_CLOCK,
2061 .posval = {
2062#ifdef CONFIG_GETTIMEOFDAY
2063 { .ival = "gettimeofday",
2064 .oval = CS_GTOD,
2065 .help = "Use gettimeofday(2) for timing",
2066 },
2067#endif
2068#ifdef CONFIG_CLOCK_GETTIME
2069 { .ival = "clock_gettime",
2070 .oval = CS_CGETTIME,
2071 .help = "Use clock_gettime(2) for timing",
2072 },
2073#endif
2074#ifdef ARCH_HAVE_CPU_CLOCK
2075 { .ival = "cpu",
2076 .oval = CS_CPUCLOCK,
2077 .help = "Use CPU private clock",
2078 },
2079#endif
2080 },
2081 },
2082 {
2083 .name = "mem",
2084 .alias = "iomem",
2085 .lname = "I/O Memory",
2086 .type = FIO_OPT_STR,
2087 .cb = str_mem_cb,
2088 .off1 = td_var_offset(mem_type),
2089 .help = "Backing type for IO buffers",
2090 .def = "malloc",
2091 .category = FIO_OPT_C_IO,
2092 .group = FIO_OPT_G_INVALID,
2093 .posval = {
2094 { .ival = "malloc",
2095 .oval = MEM_MALLOC,
2096 .help = "Use malloc(3) for IO buffers",
2097 },
2098 { .ival = "shm",
2099 .oval = MEM_SHM,
2100 .help = "Use shared memory segments for IO buffers",
2101 },
2102#ifdef FIO_HAVE_HUGETLB
2103 { .ival = "shmhuge",
2104 .oval = MEM_SHMHUGE,
2105 .help = "Like shm, but use huge pages",
2106 },
2107#endif
2108 { .ival = "mmap",
2109 .oval = MEM_MMAP,
2110 .help = "Use mmap(2) (file or anon) for IO buffers",
2111 },
2112#ifdef FIO_HAVE_HUGETLB
2113 { .ival = "mmaphuge",
2114 .oval = MEM_MMAPHUGE,
2115 .help = "Like mmap, but use huge pages",
2116 },
2117#endif
2118 },
2119 },
2120 {
2121 .name = "iomem_align",
2122 .alias = "mem_align",
2123 .lname = "I/O memory alignment",
2124 .type = FIO_OPT_INT,
2125 .off1 = td_var_offset(mem_align),
2126 .minval = 0,
2127 .help = "IO memory buffer offset alignment",
2128 .def = "0",
2129 .parent = "iomem",
2130 .hide = 1,
2131 .category = FIO_OPT_C_IO,
2132 .group = FIO_OPT_G_INVALID,
2133 },
2134 {
2135 .name = "verify",
2136 .lname = "Verify",
2137 .type = FIO_OPT_STR,
2138 .off1 = td_var_offset(verify),
2139 .help = "Verify data written",
2140 .def = "0",
2141 .category = FIO_OPT_C_IO,
2142 .group = FIO_OPT_G_VERIFY,
2143 .posval = {
2144 { .ival = "0",
2145 .oval = VERIFY_NONE,
2146 .help = "Don't do IO verification",
2147 },
2148 { .ival = "md5",
2149 .oval = VERIFY_MD5,
2150 .help = "Use md5 checksums for verification",
2151 },
2152 { .ival = "crc64",
2153 .oval = VERIFY_CRC64,
2154 .help = "Use crc64 checksums for verification",
2155 },
2156 { .ival = "crc32",
2157 .oval = VERIFY_CRC32,
2158 .help = "Use crc32 checksums for verification",
2159 },
2160 { .ival = "crc32c-intel",
2161 .oval = VERIFY_CRC32C,
2162 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2163 },
2164 { .ival = "crc32c",
2165 .oval = VERIFY_CRC32C,
2166 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2167 },
2168 { .ival = "crc16",
2169 .oval = VERIFY_CRC16,
2170 .help = "Use crc16 checksums for verification",
2171 },
2172 { .ival = "crc7",
2173 .oval = VERIFY_CRC7,
2174 .help = "Use crc7 checksums for verification",
2175 },
2176 { .ival = "sha1",
2177 .oval = VERIFY_SHA1,
2178 .help = "Use sha1 checksums for verification",
2179 },
2180 { .ival = "sha256",
2181 .oval = VERIFY_SHA256,
2182 .help = "Use sha256 checksums for verification",
2183 },
2184 { .ival = "sha512",
2185 .oval = VERIFY_SHA512,
2186 .help = "Use sha512 checksums for verification",
2187 },
2188 { .ival = "meta",
2189 .oval = VERIFY_META,
2190 .help = "Use io information",
2191 },
2192 {
2193 .ival = "null",
2194 .oval = VERIFY_NULL,
2195 .help = "Pretend to verify",
2196 },
2197 },
2198 },
2199 {
2200 .name = "do_verify",
2201 .lname = "Perform verify step",
2202 .type = FIO_OPT_BOOL,
2203 .off1 = td_var_offset(do_verify),
2204 .help = "Run verification stage after write",
2205 .def = "1",
2206 .parent = "verify",
2207 .hide = 1,
2208 .category = FIO_OPT_C_IO,
2209 .group = FIO_OPT_G_VERIFY,
2210 },
2211 {
2212 .name = "verifysort",
2213 .lname = "Verify sort",
2214 .type = FIO_OPT_BOOL,
2215 .off1 = td_var_offset(verifysort),
2216 .help = "Sort written verify blocks for read back",
2217 .def = "1",
2218 .parent = "verify",
2219 .hide = 1,
2220 .category = FIO_OPT_C_IO,
2221 .group = FIO_OPT_G_VERIFY,
2222 },
2223 {
2224 .name = "verifysort_nr",
2225 .type = FIO_OPT_INT,
2226 .off1 = td_var_offset(verifysort_nr),
2227 .help = "Pre-load and sort verify blocks for a read workload",
2228 .minval = 0,
2229 .maxval = 131072,
2230 .def = "1024",
2231 .parent = "verify",
2232 .category = FIO_OPT_C_IO,
2233 .group = FIO_OPT_G_VERIFY,
2234 },
2235 {
2236 .name = "verify_interval",
2237 .lname = "Verify interval",
2238 .type = FIO_OPT_INT,
2239 .off1 = td_var_offset(verify_interval),
2240 .minval = 2 * sizeof(struct verify_header),
2241 .help = "Store verify buffer header every N bytes",
2242 .parent = "verify",
2243 .hide = 1,
2244 .interval = 2 * sizeof(struct verify_header),
2245 .category = FIO_OPT_C_IO,
2246 .group = FIO_OPT_G_VERIFY,
2247 },
2248 {
2249 .name = "verify_offset",
2250 .lname = "Verify offset",
2251 .type = FIO_OPT_INT,
2252 .help = "Offset verify header location by N bytes",
2253 .off1 = td_var_offset(verify_offset),
2254 .minval = sizeof(struct verify_header),
2255 .parent = "verify",
2256 .hide = 1,
2257 .category = FIO_OPT_C_IO,
2258 .group = FIO_OPT_G_VERIFY,
2259 },
2260 {
2261 .name = "verify_pattern",
2262 .lname = "Verify pattern",
2263 .type = FIO_OPT_STR,
2264 .cb = str_verify_pattern_cb,
2265 .help = "Fill pattern for IO buffers",
2266 .parent = "verify",
2267 .hide = 1,
2268 .category = FIO_OPT_C_IO,
2269 .group = FIO_OPT_G_VERIFY,
2270 },
2271 {
2272 .name = "verify_fatal",
2273 .lname = "Verify fatal",
2274 .type = FIO_OPT_BOOL,
2275 .off1 = td_var_offset(verify_fatal),
2276 .def = "0",
2277 .help = "Exit on a single verify failure, don't continue",
2278 .parent = "verify",
2279 .hide = 1,
2280 .category = FIO_OPT_C_IO,
2281 .group = FIO_OPT_G_VERIFY,
2282 },
2283 {
2284 .name = "verify_dump",
2285 .lname = "Verify dump",
2286 .type = FIO_OPT_BOOL,
2287 .off1 = td_var_offset(verify_dump),
2288 .def = "0",
2289 .help = "Dump contents of good and bad blocks on failure",
2290 .parent = "verify",
2291 .hide = 1,
2292 .category = FIO_OPT_C_IO,
2293 .group = FIO_OPT_G_VERIFY,
2294 },
2295 {
2296 .name = "verify_async",
2297 .lname = "Verify asynchronously",
2298 .type = FIO_OPT_INT,
2299 .off1 = td_var_offset(verify_async),
2300 .def = "0",
2301 .help = "Number of async verifier threads to use",
2302 .parent = "verify",
2303 .hide = 1,
2304 .category = FIO_OPT_C_IO,
2305 .group = FIO_OPT_G_VERIFY,
2306 },
2307 {
2308 .name = "verify_backlog",
2309 .lname = "Verify backlog",
2310 .type = FIO_OPT_STR_VAL,
2311 .off1 = td_var_offset(verify_backlog),
2312 .help = "Verify after this number of blocks are written",
2313 .parent = "verify",
2314 .hide = 1,
2315 .category = FIO_OPT_C_IO,
2316 .group = FIO_OPT_G_VERIFY,
2317 },
2318 {
2319 .name = "verify_backlog_batch",
2320 .lname = "Verify backlog batch",
2321 .type = FIO_OPT_INT,
2322 .off1 = td_var_offset(verify_batch),
2323 .help = "Verify this number of IO blocks",
2324 .parent = "verify",
2325 .hide = 1,
2326 .category = FIO_OPT_C_IO,
2327 .group = FIO_OPT_G_VERIFY,
2328 },
2329#ifdef FIO_HAVE_CPU_AFFINITY
2330 {
2331 .name = "verify_async_cpus",
2332 .lname = "Async verify CPUs",
2333 .type = FIO_OPT_STR,
2334 .cb = str_verify_cpus_allowed_cb,
2335 .help = "Set CPUs allowed for async verify threads",
2336 .parent = "verify_async",
2337 .hide = 1,
2338 .category = FIO_OPT_C_IO,
2339 .group = FIO_OPT_G_VERIFY,
2340 },
2341#endif
2342 {
2343 .name = "experimental_verify",
2344 .off1 = td_var_offset(experimental_verify),
2345 .type = FIO_OPT_BOOL,
2346 .help = "Enable experimental verification",
2347 .category = FIO_OPT_C_IO,
2348 .group = FIO_OPT_G_VERIFY,
2349 },
2350#ifdef FIO_HAVE_TRIM
2351 {
2352 .name = "trim_percentage",
2353 .lname = "Trim percentage",
2354 .type = FIO_OPT_INT,
2355 .off1 = td_var_offset(trim_percentage),
2356 .minval = 0,
2357 .maxval = 100,
2358 .help = "Number of verify blocks to discard/trim",
2359 .parent = "verify",
2360 .def = "0",
2361 .interval = 1,
2362 .hide = 1,
2363 .category = FIO_OPT_C_IO,
2364 .group = FIO_OPT_G_TRIM,
2365 },
2366 {
2367 .name = "trim_verify_zero",
2368 .lname = "Verify trim zero",
2369 .type = FIO_OPT_BOOL,
2370 .help = "Verify that trim/discarded blocks are returned as zeroes",
2371 .off1 = td_var_offset(trim_zero),
2372 .parent = "trim_percentage",
2373 .hide = 1,
2374 .def = "1",
2375 .category = FIO_OPT_C_IO,
2376 .group = FIO_OPT_G_TRIM,
2377 },
2378 {
2379 .name = "trim_backlog",
2380 .lname = "Trim backlog",
2381 .type = FIO_OPT_STR_VAL,
2382 .off1 = td_var_offset(trim_backlog),
2383 .help = "Trim after this number of blocks are written",
2384 .parent = "trim_percentage",
2385 .hide = 1,
2386 .interval = 1,
2387 .category = FIO_OPT_C_IO,
2388 .group = FIO_OPT_G_TRIM,
2389 },
2390 {
2391 .name = "trim_backlog_batch",
2392 .lname = "Trim backlog batch",
2393 .type = FIO_OPT_INT,
2394 .off1 = td_var_offset(trim_batch),
2395 .help = "Trim this number of IO blocks",
2396 .parent = "trim_percentage",
2397 .hide = 1,
2398 .interval = 1,
2399 .category = FIO_OPT_C_IO,
2400 .group = FIO_OPT_G_TRIM,
2401 },
2402#endif
2403 {
2404 .name = "write_iolog",
2405 .lname = "Write I/O log",
2406 .type = FIO_OPT_STR_STORE,
2407 .off1 = td_var_offset(write_iolog_file),
2408 .help = "Store IO pattern to file",
2409 .category = FIO_OPT_C_IO,
2410 .group = FIO_OPT_G_IOLOG,
2411 },
2412 {
2413 .name = "read_iolog",
2414 .lname = "Read I/O log",
2415 .type = FIO_OPT_STR_STORE,
2416 .off1 = td_var_offset(read_iolog_file),
2417 .help = "Playback IO pattern from file",
2418 .category = FIO_OPT_C_IO,
2419 .group = FIO_OPT_G_IOLOG,
2420 },
2421 {
2422 .name = "replay_no_stall",
2423 .lname = "Don't stall on replay",
2424 .type = FIO_OPT_BOOL,
2425 .off1 = td_var_offset(no_stall),
2426 .def = "0",
2427 .parent = "read_iolog",
2428 .hide = 1,
2429 .help = "Playback IO pattern file as fast as possible without stalls",
2430 .category = FIO_OPT_C_IO,
2431 .group = FIO_OPT_G_IOLOG,
2432 },
2433 {
2434 .name = "replay_redirect",
2435 .lname = "Redirect device for replay",
2436 .type = FIO_OPT_STR_STORE,
2437 .off1 = td_var_offset(replay_redirect),
2438 .parent = "read_iolog",
2439 .hide = 1,
2440 .help = "Replay all I/O onto this device, regardless of trace device",
2441 .category = FIO_OPT_C_IO,
2442 .group = FIO_OPT_G_IOLOG,
2443 },
2444 {
2445 .name = "exec_prerun",
2446 .lname = "Pre-execute runnable",
2447 .type = FIO_OPT_STR_STORE,
2448 .off1 = td_var_offset(exec_prerun),
2449 .help = "Execute this file prior to running job",
2450 .category = FIO_OPT_C_GENERAL,
2451 .group = FIO_OPT_G_INVALID,
2452 },
2453 {
2454 .name = "exec_postrun",
2455 .lname = "Post-execute runnable",
2456 .type = FIO_OPT_STR_STORE,
2457 .off1 = td_var_offset(exec_postrun),
2458 .help = "Execute this file after running job",
2459 .category = FIO_OPT_C_GENERAL,
2460 .group = FIO_OPT_G_INVALID,
2461 },
2462#ifdef FIO_HAVE_IOSCHED_SWITCH
2463 {
2464 .name = "ioscheduler",
2465 .lname = "I/O scheduler",
2466 .type = FIO_OPT_STR_STORE,
2467 .off1 = td_var_offset(ioscheduler),
2468 .help = "Use this IO scheduler on the backing device",
2469 .category = FIO_OPT_C_FILE,
2470 .group = FIO_OPT_G_INVALID,
2471 },
2472#endif
2473 {
2474 .name = "zonesize",
2475 .lname = "Zone size",
2476 .type = FIO_OPT_STR_VAL,
2477 .off1 = td_var_offset(zone_size),
2478 .help = "Amount of data to read per zone",
2479 .def = "0",
2480 .interval = 1024 * 1024,
2481 .category = FIO_OPT_C_IO,
2482 .group = FIO_OPT_G_ZONE,
2483 },
2484 {
2485 .name = "zonerange",
2486 .lname = "Zone range",
2487 .type = FIO_OPT_STR_VAL,
2488 .off1 = td_var_offset(zone_range),
2489 .help = "Give size of an IO zone",
2490 .def = "0",
2491 .interval = 1024 * 1024,
2492 .category = FIO_OPT_C_IO,
2493 .group = FIO_OPT_G_ZONE,
2494 },
2495 {
2496 .name = "zoneskip",
2497 .lname = "Zone skip",
2498 .type = FIO_OPT_STR_VAL,
2499 .off1 = td_var_offset(zone_skip),
2500 .help = "Space between IO zones",
2501 .def = "0",
2502 .interval = 1024 * 1024,
2503 .category = FIO_OPT_C_IO,
2504 .group = FIO_OPT_G_ZONE,
2505 },
2506 {
2507 .name = "lockmem",
2508 .lname = "Lock memory",
2509 .type = FIO_OPT_STR_VAL,
2510 .off1 = td_var_offset(lockmem),
2511 .help = "Lock down this amount of memory (per worker)",
2512 .def = "0",
2513 .interval = 1024 * 1024,
2514 .category = FIO_OPT_C_GENERAL,
2515 .group = FIO_OPT_G_INVALID,
2516 },
2517 {
2518 .name = "rwmixread",
2519 .lname = "Read/write mix read",
2520 .type = FIO_OPT_INT,
2521 .cb = str_rwmix_read_cb,
2522 .maxval = 100,
2523 .help = "Percentage of mixed workload that is reads",
2524 .def = "50",
2525 .interval = 5,
2526 .inverse = "rwmixwrite",
2527 .category = FIO_OPT_C_IO,
2528 .group = FIO_OPT_G_RWMIX,
2529 },
2530 {
2531 .name = "rwmixwrite",
2532 .lname = "Read/write mix write",
2533 .type = FIO_OPT_INT,
2534 .cb = str_rwmix_write_cb,
2535 .maxval = 100,
2536 .help = "Percentage of mixed workload that is writes",
2537 .def = "50",
2538 .interval = 5,
2539 .inverse = "rwmixread",
2540 .category = FIO_OPT_C_IO,
2541 .group = FIO_OPT_G_RWMIX,
2542 },
2543 {
2544 .name = "rwmixcycle",
2545 .lname = "Read/write mix cycle",
2546 .type = FIO_OPT_DEPRECATED,
2547 .category = FIO_OPT_C_IO,
2548 .group = FIO_OPT_G_RWMIX,
2549 },
2550 {
2551 .name = "nice",
2552 .lname = "Nice",
2553 .type = FIO_OPT_INT,
2554 .off1 = td_var_offset(nice),
2555 .help = "Set job CPU nice value",
2556 .minval = -19,
2557 .maxval = 20,
2558 .def = "0",
2559 .interval = 1,
2560 .category = FIO_OPT_C_GENERAL,
2561 .group = FIO_OPT_G_CRED,
2562 },
2563#ifdef FIO_HAVE_IOPRIO
2564 {
2565 .name = "prio",
2566 .lname = "I/O nice priority",
2567 .type = FIO_OPT_INT,
2568 .off1 = td_var_offset(ioprio),
2569 .help = "Set job IO priority value",
2570 .minval = 0,
2571 .maxval = 7,
2572 .interval = 1,
2573 .category = FIO_OPT_C_GENERAL,
2574 .group = FIO_OPT_G_CRED,
2575 },
2576 {
2577 .name = "prioclass",
2578 .lname = "I/O nice priority class",
2579 .type = FIO_OPT_INT,
2580 .off1 = td_var_offset(ioprio_class),
2581 .help = "Set job IO priority class",
2582 .minval = 0,
2583 .maxval = 3,
2584 .interval = 1,
2585 .category = FIO_OPT_C_GENERAL,
2586 .group = FIO_OPT_G_CRED,
2587 },
2588#endif
2589 {
2590 .name = "thinktime",
2591 .lname = "Thinktime",
2592 .type = FIO_OPT_INT,
2593 .off1 = td_var_offset(thinktime),
2594 .help = "Idle time between IO buffers (usec)",
2595 .def = "0",
2596 .category = FIO_OPT_C_IO,
2597 .group = FIO_OPT_G_THINKTIME,
2598 },
2599 {
2600 .name = "thinktime_spin",
2601 .lname = "Thinktime spin",
2602 .type = FIO_OPT_INT,
2603 .off1 = td_var_offset(thinktime_spin),
2604 .help = "Start think time by spinning this amount (usec)",
2605 .def = "0",
2606 .parent = "thinktime",
2607 .hide = 1,
2608 .category = FIO_OPT_C_IO,
2609 .group = FIO_OPT_G_THINKTIME,
2610 },
2611 {
2612 .name = "thinktime_blocks",
2613 .lname = "Thinktime blocks",
2614 .type = FIO_OPT_INT,
2615 .off1 = td_var_offset(thinktime_blocks),
2616 .help = "IO buffer period between 'thinktime'",
2617 .def = "1",
2618 .parent = "thinktime",
2619 .hide = 1,
2620 .category = FIO_OPT_C_IO,
2621 .group = FIO_OPT_G_THINKTIME,
2622 },
2623 {
2624 .name = "rate",
2625 .lname = "I/O rate",
2626 .type = FIO_OPT_INT,
2627 .off1 = td_var_offset(rate[DDIR_READ]),
2628 .off2 = td_var_offset(rate[DDIR_WRITE]),
2629 .off3 = td_var_offset(rate[DDIR_TRIM]),
2630 .help = "Set bandwidth rate",
2631 .category = FIO_OPT_C_IO,
2632 .group = FIO_OPT_G_RATE,
2633 },
2634 {
2635 .name = "ratemin",
2636 .lname = "I/O min rate",
2637 .type = FIO_OPT_INT,
2638 .off1 = td_var_offset(ratemin[DDIR_READ]),
2639 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2640 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
2641 .help = "Job must meet this rate or it will be shutdown",
2642 .parent = "rate",
2643 .hide = 1,
2644 .category = FIO_OPT_C_IO,
2645 .group = FIO_OPT_G_RATE,
2646 },
2647 {
2648 .name = "rate_iops",
2649 .lname = "I/O rate IOPS",
2650 .type = FIO_OPT_INT,
2651 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2652 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2653 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
2654 .help = "Limit IO used to this number of IO operations/sec",
2655 .hide = 1,
2656 .category = FIO_OPT_C_IO,
2657 .group = FIO_OPT_G_RATE,
2658 },
2659 {
2660 .name = "rate_iops_min",
2661 .lname = "I/O min rate IOPS",
2662 .type = FIO_OPT_INT,
2663 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2664 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2665 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
2666 .help = "Job must meet this rate or it will be shut down",
2667 .parent = "rate_iops",
2668 .hide = 1,
2669 .category = FIO_OPT_C_IO,
2670 .group = FIO_OPT_G_RATE,
2671 },
2672 {
2673 .name = "ratecycle",
2674 .lname = "I/O rate cycle",
2675 .type = FIO_OPT_INT,
2676 .off1 = td_var_offset(ratecycle),
2677 .help = "Window average for rate limits (msec)",
2678 .def = "1000",
2679 .parent = "rate",
2680 .hide = 1,
2681 .category = FIO_OPT_C_IO,
2682 .group = FIO_OPT_G_RATE,
2683 },
2684 {
2685 .name = "max_latency",
2686 .type = FIO_OPT_INT,
2687 .off1 = td_var_offset(max_latency),
2688 .help = "Maximum tolerated IO latency (usec)",
2689 .category = FIO_OPT_C_IO,
2690 .group = FIO_OPT_G_LATPROF,
2691 },
2692 {
2693 .name = "latency_target",
2694 .lname = "Latency Target (usec)",
2695 .type = FIO_OPT_STR_VAL_TIME,
2696 .off1 = td_var_offset(latency_target),
2697 .help = "Ramp to max queue depth supporting this latency",
2698 .category = FIO_OPT_C_IO,
2699 .group = FIO_OPT_G_LATPROF,
2700 },
2701 {
2702 .name = "latency_window",
2703 .lname = "Latency Window (usec)",
2704 .type = FIO_OPT_STR_VAL_TIME,
2705 .off1 = td_var_offset(latency_window),
2706 .help = "Time to sustain latency_target",
2707 .category = FIO_OPT_C_IO,
2708 .group = FIO_OPT_G_LATPROF,
2709 },
2710 {
2711 .name = "latency_percentile",
2712 .lname = "Latency Percentile",
2713 .type = FIO_OPT_FLOAT_LIST,
2714 .off1 = td_var_offset(latency_percentile),
2715 .help = "Percentile of IOs must be below latency_target",
2716 .def = "100",
2717 .maxlen = 1,
2718 .minfp = 0.0,
2719 .maxfp = 100.0,
2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_LATPROF,
2722 },
2723 {
2724 .name = "invalidate",
2725 .lname = "Cache invalidate",
2726 .type = FIO_OPT_BOOL,
2727 .off1 = td_var_offset(invalidate_cache),
2728 .help = "Invalidate buffer/page cache prior to running job",
2729 .def = "1",
2730 .category = FIO_OPT_C_IO,
2731 .group = FIO_OPT_G_IO_TYPE,
2732 },
2733 {
2734 .name = "sync",
2735 .lname = "Synchronous I/O",
2736 .type = FIO_OPT_BOOL,
2737 .off1 = td_var_offset(sync_io),
2738 .help = "Use O_SYNC for buffered writes",
2739 .def = "0",
2740 .parent = "buffered",
2741 .hide = 1,
2742 .category = FIO_OPT_C_IO,
2743 .group = FIO_OPT_G_IO_TYPE,
2744 },
2745 {
2746 .name = "create_serialize",
2747 .lname = "Create serialize",
2748 .type = FIO_OPT_BOOL,
2749 .off1 = td_var_offset(create_serialize),
2750 .help = "Serialize creating of job files",
2751 .def = "1",
2752 .category = FIO_OPT_C_FILE,
2753 .group = FIO_OPT_G_INVALID,
2754 },
2755 {
2756 .name = "create_fsync",
2757 .lname = "Create fsync",
2758 .type = FIO_OPT_BOOL,
2759 .off1 = td_var_offset(create_fsync),
2760 .help = "fsync file after creation",
2761 .def = "1",
2762 .category = FIO_OPT_C_FILE,
2763 .group = FIO_OPT_G_INVALID,
2764 },
2765 {
2766 .name = "create_on_open",
2767 .lname = "Create on open",
2768 .type = FIO_OPT_BOOL,
2769 .off1 = td_var_offset(create_on_open),
2770 .help = "Create files when they are opened for IO",
2771 .def = "0",
2772 .category = FIO_OPT_C_FILE,
2773 .group = FIO_OPT_G_INVALID,
2774 },
2775 {
2776 .name = "create_only",
2777 .type = FIO_OPT_BOOL,
2778 .off1 = td_var_offset(create_only),
2779 .help = "Only perform file creation phase",
2780 .category = FIO_OPT_C_FILE,
2781 .def = "0",
2782 },
2783 {
2784 .name = "pre_read",
2785 .lname = "Pre-read files",
2786 .type = FIO_OPT_BOOL,
2787 .off1 = td_var_offset(pre_read),
2788 .help = "Pre-read files before starting official testing",
2789 .def = "0",
2790 .category = FIO_OPT_C_FILE,
2791 .group = FIO_OPT_G_INVALID,
2792 },
2793#ifdef FIO_HAVE_CPU_AFFINITY
2794 {
2795 .name = "cpumask",
2796 .lname = "CPU mask",
2797 .type = FIO_OPT_INT,
2798 .cb = str_cpumask_cb,
2799 .help = "CPU affinity mask",
2800 .category = FIO_OPT_C_GENERAL,
2801 .group = FIO_OPT_G_CRED,
2802 },
2803 {
2804 .name = "cpus_allowed",
2805 .lname = "CPUs allowed",
2806 .type = FIO_OPT_STR,
2807 .cb = str_cpus_allowed_cb,
2808 .help = "Set CPUs allowed",
2809 .category = FIO_OPT_C_GENERAL,
2810 .group = FIO_OPT_G_CRED,
2811 },
2812#endif
2813#ifdef CONFIG_LIBNUMA
2814 {
2815 .name = "numa_cpu_nodes",
2816 .type = FIO_OPT_STR,
2817 .cb = str_numa_cpunodes_cb,
2818 .help = "NUMA CPU nodes bind",
2819 .category = FIO_OPT_C_GENERAL,
2820 .group = FIO_OPT_G_INVALID,
2821 },
2822 {
2823 .name = "numa_mem_policy",
2824 .type = FIO_OPT_STR,
2825 .cb = str_numa_mpol_cb,
2826 .help = "NUMA memory policy setup",
2827 .category = FIO_OPT_C_GENERAL,
2828 .group = FIO_OPT_G_INVALID,
2829 },
2830#endif
2831 {
2832 .name = "end_fsync",
2833 .lname = "End fsync",
2834 .type = FIO_OPT_BOOL,
2835 .off1 = td_var_offset(end_fsync),
2836 .help = "Include fsync at the end of job",
2837 .def = "0",
2838 .category = FIO_OPT_C_FILE,
2839 .group = FIO_OPT_G_INVALID,
2840 },
2841 {
2842 .name = "fsync_on_close",
2843 .lname = "Fsync on close",
2844 .type = FIO_OPT_BOOL,
2845 .off1 = td_var_offset(fsync_on_close),
2846 .help = "fsync files on close",
2847 .def = "0",
2848 .category = FIO_OPT_C_FILE,
2849 .group = FIO_OPT_G_INVALID,
2850 },
2851 {
2852 .name = "unlink",
2853 .lname = "Unlink file",
2854 .type = FIO_OPT_BOOL,
2855 .off1 = td_var_offset(unlink),
2856 .help = "Unlink created files after job has completed",
2857 .def = "0",
2858 .category = FIO_OPT_C_FILE,
2859 .group = FIO_OPT_G_INVALID,
2860 },
2861 {
2862 .name = "exitall",
2863 .lname = "Exit-all on terminate",
2864 .type = FIO_OPT_STR_SET,
2865 .cb = str_exitall_cb,
2866 .help = "Terminate all jobs when one exits",
2867 .category = FIO_OPT_C_GENERAL,
2868 .group = FIO_OPT_G_PROCESS,
2869 },
2870 {
2871 .name = "stonewall",
2872 .lname = "Wait for previous",
2873 .alias = "wait_for_previous",
2874 .type = FIO_OPT_STR_SET,
2875 .off1 = td_var_offset(stonewall),
2876 .help = "Insert a hard barrier between this job and previous",
2877 .category = FIO_OPT_C_GENERAL,
2878 .group = FIO_OPT_G_PROCESS,
2879 },
2880 {
2881 .name = "new_group",
2882 .lname = "New group",
2883 .type = FIO_OPT_STR_SET,
2884 .off1 = td_var_offset(new_group),
2885 .help = "Mark the start of a new group (for reporting)",
2886 .category = FIO_OPT_C_GENERAL,
2887 .group = FIO_OPT_G_PROCESS,
2888 },
2889 {
2890 .name = "thread",
2891 .lname = "Thread",
2892 .type = FIO_OPT_STR_SET,
2893 .off1 = td_var_offset(use_thread),
2894 .help = "Use threads instead of processes",
2895 .category = FIO_OPT_C_GENERAL,
2896 .group = FIO_OPT_G_PROCESS,
2897 },
2898 {
2899 .name = "write_bw_log",
2900 .lname = "Write bandwidth log",
2901 .type = FIO_OPT_STR_STORE,
2902 .off1 = td_var_offset(bw_log_file),
2903 .help = "Write log of bandwidth during run",
2904 .category = FIO_OPT_C_LOG,
2905 .group = FIO_OPT_G_INVALID,
2906 },
2907 {
2908 .name = "write_lat_log",
2909 .lname = "Write latency log",
2910 .type = FIO_OPT_STR_STORE,
2911 .off1 = td_var_offset(lat_log_file),
2912 .help = "Write log of latency during run",
2913 .category = FIO_OPT_C_LOG,
2914 .group = FIO_OPT_G_INVALID,
2915 },
2916 {
2917 .name = "write_iops_log",
2918 .lname = "Write IOPS log",
2919 .type = FIO_OPT_STR_STORE,
2920 .off1 = td_var_offset(iops_log_file),
2921 .help = "Write log of IOPS during run",
2922 .category = FIO_OPT_C_LOG,
2923 .group = FIO_OPT_G_INVALID,
2924 },
2925 {
2926 .name = "log_avg_msec",
2927 .lname = "Log averaging (msec)",
2928 .type = FIO_OPT_INT,
2929 .off1 = td_var_offset(log_avg_msec),
2930 .help = "Average bw/iops/lat logs over this period of time",
2931 .def = "0",
2932 .category = FIO_OPT_C_LOG,
2933 .group = FIO_OPT_G_INVALID,
2934 },
2935 {
2936 .name = "bwavgtime",
2937 .lname = "Bandwidth average time",
2938 .type = FIO_OPT_INT,
2939 .off1 = td_var_offset(bw_avg_time),
2940 .help = "Time window over which to calculate bandwidth"
2941 " (msec)",
2942 .def = "500",
2943 .parent = "write_bw_log",
2944 .hide = 1,
2945 .interval = 100,
2946 .category = FIO_OPT_C_LOG,
2947 .group = FIO_OPT_G_INVALID,
2948 },
2949 {
2950 .name = "iopsavgtime",
2951 .lname = "IOPS average time",
2952 .type = FIO_OPT_INT,
2953 .off1 = td_var_offset(iops_avg_time),
2954 .help = "Time window over which to calculate IOPS (msec)",
2955 .def = "500",
2956 .parent = "write_iops_log",
2957 .hide = 1,
2958 .interval = 100,
2959 .category = FIO_OPT_C_LOG,
2960 .group = FIO_OPT_G_INVALID,
2961 },
2962 {
2963 .name = "group_reporting",
2964 .lname = "Group reporting",
2965 .type = FIO_OPT_STR_SET,
2966 .off1 = td_var_offset(group_reporting),
2967 .help = "Do reporting on a per-group basis",
2968 .category = FIO_OPT_C_STAT,
2969 .group = FIO_OPT_G_INVALID,
2970 },
2971 {
2972 .name = "zero_buffers",
2973 .lname = "Zero I/O buffers",
2974 .type = FIO_OPT_STR_SET,
2975 .off1 = td_var_offset(zero_buffers),
2976 .help = "Init IO buffers to all zeroes",
2977 .category = FIO_OPT_C_IO,
2978 .group = FIO_OPT_G_IO_BUF,
2979 },
2980 {
2981 .name = "refill_buffers",
2982 .lname = "Refill I/O buffers",
2983 .type = FIO_OPT_STR_SET,
2984 .off1 = td_var_offset(refill_buffers),
2985 .help = "Refill IO buffers on every IO submit",
2986 .category = FIO_OPT_C_IO,
2987 .group = FIO_OPT_G_IO_BUF,
2988 },
2989 {
2990 .name = "scramble_buffers",
2991 .lname = "Scramble I/O buffers",
2992 .type = FIO_OPT_BOOL,
2993 .off1 = td_var_offset(scramble_buffers),
2994 .help = "Slightly scramble buffers on every IO submit",
2995 .def = "1",
2996 .category = FIO_OPT_C_IO,
2997 .group = FIO_OPT_G_IO_BUF,
2998 },
2999 {
3000 .name = "buffer_pattern",
3001 .lname = "Buffer pattern",
3002 .type = FIO_OPT_STR,
3003 .cb = str_buffer_pattern_cb,
3004 .help = "Fill pattern for IO buffers",
3005 .category = FIO_OPT_C_IO,
3006 .group = FIO_OPT_G_IO_BUF,
3007 },
3008 {
3009 .name = "buffer_compress_percentage",
3010 .lname = "Buffer compression percentage",
3011 .type = FIO_OPT_INT,
3012 .off1 = td_var_offset(compress_percentage),
3013 .maxval = 100,
3014 .minval = 1,
3015 .help = "How compressible the buffer is (approximately)",
3016 .interval = 5,
3017 .category = FIO_OPT_C_IO,
3018 .group = FIO_OPT_G_IO_BUF,
3019 },
3020 {
3021 .name = "buffer_compress_chunk",
3022 .lname = "Buffer compression chunk size",
3023 .type = FIO_OPT_INT,
3024 .off1 = td_var_offset(compress_chunk),
3025 .parent = "buffer_compress_percentage",
3026 .hide = 1,
3027 .help = "Size of compressible region in buffer",
3028 .interval = 256,
3029 .category = FIO_OPT_C_IO,
3030 .group = FIO_OPT_G_IO_BUF,
3031 },
3032 {
3033 .name = "clat_percentiles",
3034 .lname = "Completion latency percentiles",
3035 .type = FIO_OPT_BOOL,
3036 .off1 = td_var_offset(clat_percentiles),
3037 .help = "Enable the reporting of completion latency percentiles",
3038 .def = "1",
3039 .category = FIO_OPT_C_STAT,
3040 .group = FIO_OPT_G_INVALID,
3041 },
3042 {
3043 .name = "percentile_list",
3044 .lname = "Completion latency percentile list",
3045 .type = FIO_OPT_FLOAT_LIST,
3046 .off1 = td_var_offset(percentile_list),
3047 .off2 = td_var_offset(percentile_precision),
3048 .help = "Specify a custom list of percentiles to report",
3049 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
3050 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3051 .minfp = 0.0,
3052 .maxfp = 100.0,
3053 .category = FIO_OPT_C_STAT,
3054 .group = FIO_OPT_G_INVALID,
3055 },
3056
3057#ifdef FIO_HAVE_DISK_UTIL
3058 {
3059 .name = "disk_util",
3060 .lname = "Disk utilization",
3061 .type = FIO_OPT_BOOL,
3062 .off1 = td_var_offset(do_disk_util),
3063 .help = "Log disk utilization statistics",
3064 .def = "1",
3065 .category = FIO_OPT_C_STAT,
3066 .group = FIO_OPT_G_INVALID,
3067 },
3068#endif
3069 {
3070 .name = "gtod_reduce",
3071 .lname = "Reduce gettimeofday() calls",
3072 .type = FIO_OPT_BOOL,
3073 .help = "Greatly reduce number of gettimeofday() calls",
3074 .cb = str_gtod_reduce_cb,
3075 .def = "0",
3076 .hide_on_set = 1,
3077 .category = FIO_OPT_C_STAT,
3078 .group = FIO_OPT_G_INVALID,
3079 },
3080 {
3081 .name = "disable_lat",
3082 .lname = "Disable all latency stats",
3083 .type = FIO_OPT_BOOL,
3084 .off1 = td_var_offset(disable_lat),
3085 .help = "Disable latency numbers",
3086 .parent = "gtod_reduce",
3087 .hide = 1,
3088 .def = "0",
3089 .category = FIO_OPT_C_STAT,
3090 .group = FIO_OPT_G_INVALID,
3091 },
3092 {
3093 .name = "disable_clat",
3094 .lname = "Disable completion latency stats",
3095 .type = FIO_OPT_BOOL,
3096 .off1 = td_var_offset(disable_clat),
3097 .help = "Disable completion latency numbers",
3098 .parent = "gtod_reduce",
3099 .hide = 1,
3100 .def = "0",
3101 .category = FIO_OPT_C_STAT,
3102 .group = FIO_OPT_G_INVALID,
3103 },
3104 {
3105 .name = "disable_slat",
3106 .lname = "Disable submission latency stats",
3107 .type = FIO_OPT_BOOL,
3108 .off1 = td_var_offset(disable_slat),
3109 .help = "Disable submission latency numbers",
3110 .parent = "gtod_reduce",
3111 .hide = 1,
3112 .def = "0",
3113 .category = FIO_OPT_C_STAT,
3114 .group = FIO_OPT_G_INVALID,
3115 },
3116 {
3117 .name = "disable_bw_measurement",
3118 .lname = "Disable bandwidth stats",
3119 .type = FIO_OPT_BOOL,
3120 .off1 = td_var_offset(disable_bw),
3121 .help = "Disable bandwidth logging",
3122 .parent = "gtod_reduce",
3123 .hide = 1,
3124 .def = "0",
3125 .category = FIO_OPT_C_STAT,
3126 .group = FIO_OPT_G_INVALID,
3127 },
3128 {
3129 .name = "gtod_cpu",
3130 .lname = "Dedicated gettimeofday() CPU",
3131 .type = FIO_OPT_INT,
3132 .cb = str_gtod_cpu_cb,
3133 .help = "Set up dedicated gettimeofday() thread on this CPU",
3134 .verify = gtod_cpu_verify,
3135 .category = FIO_OPT_C_GENERAL,
3136 .group = FIO_OPT_G_CLOCK,
3137 },
3138 {
3139 .name = "unified_rw_reporting",
3140 .type = FIO_OPT_BOOL,
3141 .off1 = td_var_offset(unified_rw_rep),
3142 .help = "Unify reporting across data direction",
3143 .def = "0",
3144 .category = FIO_OPT_C_GENERAL,
3145 .group = FIO_OPT_G_INVALID,
3146 },
3147 {
3148 .name = "continue_on_error",
3149 .lname = "Continue on error",
3150 .type = FIO_OPT_STR,
3151 .off1 = td_var_offset(continue_on_error),
3152 .help = "Continue on non-fatal errors during IO",
3153 .def = "none",
3154 .category = FIO_OPT_C_GENERAL,
3155 .group = FIO_OPT_G_ERR,
3156 .posval = {
3157 { .ival = "none",
3158 .oval = ERROR_TYPE_NONE,
3159 .help = "Exit when an error is encountered",
3160 },
3161 { .ival = "read",
3162 .oval = ERROR_TYPE_READ,
3163 .help = "Continue on read errors only",
3164 },
3165 { .ival = "write",
3166 .oval = ERROR_TYPE_WRITE,
3167 .help = "Continue on write errors only",
3168 },
3169 { .ival = "io",
3170 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3171 .help = "Continue on any IO errors",
3172 },
3173 { .ival = "verify",
3174 .oval = ERROR_TYPE_VERIFY,
3175 .help = "Continue on verify errors only",
3176 },
3177 { .ival = "all",
3178 .oval = ERROR_TYPE_ANY,
3179 .help = "Continue on all io and verify errors",
3180 },
3181 { .ival = "0",
3182 .oval = ERROR_TYPE_NONE,
3183 .help = "Alias for 'none'",
3184 },
3185 { .ival = "1",
3186 .oval = ERROR_TYPE_ANY,
3187 .help = "Alias for 'all'",
3188 },
3189 },
3190 },
3191 {
3192 .name = "ignore_error",
3193 .type = FIO_OPT_STR,
3194 .cb = str_ignore_error_cb,
3195 .help = "Set a specific list of errors to ignore",
3196 .parent = "rw",
3197 .category = FIO_OPT_C_GENERAL,
3198 .group = FIO_OPT_G_ERR,
3199 },
3200 {
3201 .name = "error_dump",
3202 .type = FIO_OPT_BOOL,
3203 .off1 = td_var_offset(error_dump),
3204 .def = "0",
3205 .help = "Dump info on each error",
3206 .category = FIO_OPT_C_GENERAL,
3207 .group = FIO_OPT_G_ERR,
3208 },
3209 {
3210 .name = "profile",
3211 .lname = "Profile",
3212 .type = FIO_OPT_STR_STORE,
3213 .off1 = td_var_offset(profile),
3214 .help = "Select a specific builtin performance test",
3215 .category = FIO_OPT_C_PROFILE,
3216 .group = FIO_OPT_G_INVALID,
3217 },
3218 {
3219 .name = "cgroup",
3220 .lname = "Cgroup",
3221 .type = FIO_OPT_STR_STORE,
3222 .off1 = td_var_offset(cgroup),
3223 .help = "Add job to cgroup of this name",
3224 .category = FIO_OPT_C_GENERAL,
3225 .group = FIO_OPT_G_CGROUP,
3226 },
3227 {
3228 .name = "cgroup_nodelete",
3229 .lname = "Cgroup no-delete",
3230 .type = FIO_OPT_BOOL,
3231 .off1 = td_var_offset(cgroup_nodelete),
3232 .help = "Do not delete cgroups after job completion",
3233 .def = "0",
3234 .parent = "cgroup",
3235 .category = FIO_OPT_C_GENERAL,
3236 .group = FIO_OPT_G_CGROUP,
3237 },
3238 {
3239 .name = "cgroup_weight",
3240 .lname = "Cgroup weight",
3241 .type = FIO_OPT_INT,
3242 .off1 = td_var_offset(cgroup_weight),
3243 .help = "Use given weight for cgroup",
3244 .minval = 100,
3245 .maxval = 1000,
3246 .parent = "cgroup",
3247 .category = FIO_OPT_C_GENERAL,
3248 .group = FIO_OPT_G_CGROUP,
3249 },
3250 {
3251 .name = "uid",
3252 .lname = "User ID",
3253 .type = FIO_OPT_INT,
3254 .off1 = td_var_offset(uid),
3255 .help = "Run job with this user ID",
3256 .category = FIO_OPT_C_GENERAL,
3257 .group = FIO_OPT_G_CRED,
3258 },
3259 {
3260 .name = "gid",
3261 .lname = "Group ID",
3262 .type = FIO_OPT_INT,
3263 .off1 = td_var_offset(gid),
3264 .help = "Run job with this group ID",
3265 .category = FIO_OPT_C_GENERAL,
3266 .group = FIO_OPT_G_CRED,
3267 },
3268 {
3269 .name = "kb_base",
3270 .lname = "KB Base",
3271 .type = FIO_OPT_INT,
3272 .off1 = td_var_offset(kb_base),
3273 .prio = 1,
3274 .def = "1024",
3275 .posval = {
3276 { .ival = "1024",
3277 .oval = 1024,
3278 .help = "Use 1024 as the K base",
3279 },
3280 { .ival = "1000",
3281 .oval = 1000,
3282 .help = "Use 1000 as the K base",
3283 },
3284 },
3285 .help = "How many bytes per KB for reporting (1000 or 1024)",
3286 .category = FIO_OPT_C_GENERAL,
3287 .group = FIO_OPT_G_INVALID,
3288 },
3289 {
3290 .name = "unit_base",
3291 .lname = "Base unit for reporting (Bits or Bytes)",
3292 .type = FIO_OPT_INT,
3293 .off1 = td_var_offset(unit_base),
3294 .prio = 1,
3295 .posval = {
3296 { .ival = "0",
3297 .oval = 0,
3298 .help = "Auto-detect",
3299 },
3300 { .ival = "8",
3301 .oval = 8,
3302 .help = "Normal (byte based)",
3303 },
3304 { .ival = "1",
3305 .oval = 1,
3306 .help = "Bit based",
3307 },
3308 },
3309 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3310 .category = FIO_OPT_C_GENERAL,
3311 .group = FIO_OPT_G_INVALID,
3312 },
3313 {
3314 .name = "hugepage-size",
3315 .lname = "Hugepage size",
3316 .type = FIO_OPT_INT,
3317 .off1 = td_var_offset(hugepage_size),
3318 .help = "When using hugepages, specify size of each page",
3319 .def = __fio_stringify(FIO_HUGE_PAGE),
3320 .interval = 1024 * 1024,
3321 .category = FIO_OPT_C_GENERAL,
3322 .group = FIO_OPT_G_INVALID,
3323 },
3324 {
3325 .name = "flow_id",
3326 .lname = "I/O flow ID",
3327 .type = FIO_OPT_INT,
3328 .off1 = td_var_offset(flow_id),
3329 .help = "The flow index ID to use",
3330 .def = "0",
3331 .category = FIO_OPT_C_IO,
3332 .group = FIO_OPT_G_IO_FLOW,
3333 },
3334 {
3335 .name = "flow",
3336 .lname = "I/O flow weight",
3337 .type = FIO_OPT_INT,
3338 .off1 = td_var_offset(flow),
3339 .help = "Weight for flow control of this job",
3340 .parent = "flow_id",
3341 .hide = 1,
3342 .def = "0",
3343 .category = FIO_OPT_C_IO,
3344 .group = FIO_OPT_G_IO_FLOW,
3345 },
3346 {
3347 .name = "flow_watermark",
3348 .lname = "I/O flow watermark",
3349 .type = FIO_OPT_INT,
3350 .off1 = td_var_offset(flow_watermark),
3351 .help = "High watermark for flow control. This option"
3352 " should be set to the same value for all threads"
3353 " with non-zero flow.",
3354 .parent = "flow_id",
3355 .hide = 1,
3356 .def = "1024",
3357 .category = FIO_OPT_C_IO,
3358 .group = FIO_OPT_G_IO_FLOW,
3359 },
3360 {
3361 .name = "flow_sleep",
3362 .lname = "I/O flow sleep",
3363 .type = FIO_OPT_INT,
3364 .off1 = td_var_offset(flow_sleep),
3365 .help = "How many microseconds to sleep after being held"
3366 " back by the flow control mechanism",
3367 .parent = "flow_id",
3368 .hide = 1,
3369 .def = "0",
3370 .category = FIO_OPT_C_IO,
3371 .group = FIO_OPT_G_IO_FLOW,
3372 },
3373 {
3374 .name = NULL,
3375 },
3376};
3377
3378static void add_to_lopt(struct option *lopt, struct fio_option *o,
3379 const char *name, int val)
3380{
3381 lopt->name = (char *) name;
3382 lopt->val = val;
3383 if (o->type == FIO_OPT_STR_SET)
3384 lopt->has_arg = optional_argument;
3385 else
3386 lopt->has_arg = required_argument;
3387}
3388
3389static void options_to_lopts(struct fio_option *opts,
3390 struct option *long_options,
3391 int i, int option_type)
3392{
3393 struct fio_option *o = &opts[0];
3394 while (o->name) {
3395 add_to_lopt(&long_options[i], o, o->name, option_type);
3396 if (o->alias) {
3397 i++;
3398 add_to_lopt(&long_options[i], o, o->alias, option_type);
3399 }
3400
3401 i++;
3402 o++;
3403 assert(i < FIO_NR_OPTIONS);
3404 }
3405}
3406
3407void fio_options_set_ioengine_opts(struct option *long_options,
3408 struct thread_data *td)
3409{
3410 unsigned int i;
3411
3412 i = 0;
3413 while (long_options[i].name) {
3414 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3415 memset(&long_options[i], 0, sizeof(*long_options));
3416 break;
3417 }
3418 i++;
3419 }
3420
3421 /*
3422 * Just clear out the prior ioengine options.
3423 */
3424 if (!td || !td->eo)
3425 return;
3426
3427 options_to_lopts(td->io_ops->options, long_options, i,
3428 FIO_GETOPT_IOENGINE);
3429}
3430
3431void fio_options_dup_and_init(struct option *long_options)
3432{
3433 unsigned int i;
3434
3435 options_init(fio_options);
3436
3437 i = 0;
3438 while (long_options[i].name)
3439 i++;
3440
3441 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
3442}
3443
3444struct fio_keyword {
3445 const char *word;
3446 const char *desc;
3447 char *replace;
3448};
3449
3450static struct fio_keyword fio_keywords[] = {
3451 {
3452 .word = "$pagesize",
3453 .desc = "Page size in the system",
3454 },
3455 {
3456 .word = "$mb_memory",
3457 .desc = "Megabytes of memory online",
3458 },
3459 {
3460 .word = "$ncpus",
3461 .desc = "Number of CPUs online in the system",
3462 },
3463 {
3464 .word = NULL,
3465 },
3466};
3467
3468void fio_keywords_init(void)
3469{
3470 unsigned long long mb_memory;
3471 char buf[128];
3472 long l;
3473
3474 sprintf(buf, "%lu", (unsigned long) page_size);
3475 fio_keywords[0].replace = strdup(buf);
3476
3477 mb_memory = os_phys_mem() / (1024 * 1024);
3478 sprintf(buf, "%llu", mb_memory);
3479 fio_keywords[1].replace = strdup(buf);
3480
3481 l = cpus_online();
3482 sprintf(buf, "%lu", l);
3483 fio_keywords[2].replace = strdup(buf);
3484}
3485
3486#define BC_APP "bc"
3487
3488static char *bc_calc(char *str)
3489{
3490 char buf[128], *tmp;
3491 FILE *f;
3492 int ret;
3493
3494 /*
3495 * No math, just return string
3496 */
3497 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3498 !strchr(str, '/')) || strchr(str, '\''))
3499 return str;
3500
3501 /*
3502 * Split option from value, we only need to calculate the value
3503 */
3504 tmp = strchr(str, '=');
3505 if (!tmp)
3506 return str;
3507
3508 tmp++;
3509
3510 /*
3511 * Prevent buffer overflows; such a case isn't reasonable anyway
3512 */
3513 if (strlen(str) >= 128 || strlen(tmp) > 100)
3514 return str;
3515
3516 sprintf(buf, "which %s > /dev/null", BC_APP);
3517 if (system(buf)) {
3518 log_err("fio: bc is needed for performing math\n");
3519 return NULL;
3520 }
3521
3522 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
3523 f = popen(buf, "r");
3524 if (!f)
3525 return NULL;
3526
3527 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
3528 if (ret <= 0)
3529 return NULL;
3530
3531 pclose(f);
3532 buf[(tmp - str) + ret - 1] = '\0';
3533 memcpy(buf, str, tmp - str);
3534 free(str);
3535 return strdup(buf);
3536}
3537
3538/*
3539 * Return a copy of the input string with substrings of the form ${VARNAME}
3540 * substituted with the value of the environment variable VARNAME. The
3541 * substitution always occurs, even if VARNAME is empty or the corresponding
3542 * environment variable undefined.
3543 */
3544static char *option_dup_subs(const char *opt)
3545{
3546 char out[OPT_LEN_MAX+1];
3547 char in[OPT_LEN_MAX+1];
3548 char *outptr = out;
3549 char *inptr = in;
3550 char *ch1, *ch2, *env;
3551 ssize_t nchr = OPT_LEN_MAX;
3552 size_t envlen;
3553
3554 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3555 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3556 return NULL;
3557 }
3558
3559 in[OPT_LEN_MAX] = '\0';
3560 strncpy(in, opt, OPT_LEN_MAX);
3561
3562 while (*inptr && nchr > 0) {
3563 if (inptr[0] == '$' && inptr[1] == '{') {
3564 ch2 = strchr(inptr, '}');
3565 if (ch2 && inptr+1 < ch2) {
3566 ch1 = inptr+2;
3567 inptr = ch2+1;
3568 *ch2 = '\0';
3569
3570 env = getenv(ch1);
3571 if (env) {
3572 envlen = strlen(env);
3573 if (envlen <= nchr) {
3574 memcpy(outptr, env, envlen);
3575 outptr += envlen;
3576 nchr -= envlen;
3577 }
3578 }
3579
3580 continue;
3581 }
3582 }
3583
3584 *outptr++ = *inptr++;
3585 --nchr;
3586 }
3587
3588 *outptr = '\0';
3589 return strdup(out);
3590}
3591
3592/*
3593 * Look for reserved variable names and replace them with real values
3594 */
3595static char *fio_keyword_replace(char *opt)
3596{
3597 char *s;
3598 int i;
3599 int docalc = 0;
3600
3601 for (i = 0; fio_keywords[i].word != NULL; i++) {
3602 struct fio_keyword *kw = &fio_keywords[i];
3603
3604 while ((s = strstr(opt, kw->word)) != NULL) {
3605 char *new = malloc(strlen(opt) + 1);
3606 char *o_org = opt;
3607 int olen = s - opt;
3608 int len;
3609
3610 /*
3611 * Copy part of the string before the keyword and
3612 * sprintf() the replacement after it.
3613 */
3614 memcpy(new, opt, olen);
3615 len = sprintf(new + olen, "%s", kw->replace);
3616
3617 /*
3618 * If there's more in the original string, copy that
3619 * in too
3620 */
3621 opt += strlen(kw->word) + olen;
3622 if (strlen(opt))
3623 memcpy(new + olen + len, opt, opt - o_org - 1);
3624
3625 /*
3626 * replace opt and free the old opt
3627 */
3628 opt = new;
3629 free(o_org);
3630
3631 docalc = 1;
3632 }
3633 }
3634
3635 /*
3636 * Check for potential math and invoke bc, if possible
3637 */
3638 if (docalc)
3639 opt = bc_calc(opt);
3640
3641 return opt;
3642}
3643
3644static char **dup_and_sub_options(char **opts, int num_opts)
3645{
3646 int i;
3647 char **opts_copy = malloc(num_opts * sizeof(*opts));
3648 for (i = 0; i < num_opts; i++) {
3649 opts_copy[i] = option_dup_subs(opts[i]);
3650 if (!opts_copy[i])
3651 continue;
3652 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3653 }
3654 return opts_copy;
3655}
3656
3657int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3658 int dump_cmdline)
3659{
3660 int i, ret, unknown;
3661 char **opts_copy;
3662
3663 sort_options(opts, fio_options, num_opts);
3664 opts_copy = dup_and_sub_options(opts, num_opts);
3665
3666 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3667 struct fio_option *o;
3668 int newret = parse_option(opts_copy[i], opts[i], fio_options,
3669 &o, td, dump_cmdline);
3670
3671 if (opts_copy[i]) {
3672 if (newret && !o) {
3673 unknown++;
3674 continue;
3675 }
3676 free(opts_copy[i]);
3677 opts_copy[i] = NULL;
3678 }
3679
3680 ret |= newret;
3681 }
3682
3683 if (unknown) {
3684 ret |= ioengine_load(td);
3685 if (td->eo) {
3686 sort_options(opts_copy, td->io_ops->options, num_opts);
3687 opts = opts_copy;
3688 }
3689 for (i = 0; i < num_opts; i++) {
3690 struct fio_option *o = NULL;
3691 int newret = 1;
3692 if (!opts_copy[i])
3693 continue;
3694
3695 if (td->eo)
3696 newret = parse_option(opts_copy[i], opts[i],
3697 td->io_ops->options, &o,
3698 td->eo, dump_cmdline);
3699
3700 ret |= newret;
3701 if (!o)
3702 log_err("Bad option <%s>\n", opts[i]);
3703
3704 free(opts_copy[i]);
3705 opts_copy[i] = NULL;
3706 }
3707 }
3708
3709 free(opts_copy);
3710 return ret;
3711}
3712
3713int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3714{
3715 return parse_cmd_option(opt, val, fio_options, td);
3716}
3717
3718int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3719 char *val)
3720{
3721 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
3722}
3723
3724void fio_fill_default_options(struct thread_data *td)
3725{
3726 fill_default_options(td, fio_options);
3727}
3728
3729int fio_show_option_help(const char *opt)
3730{
3731 return show_cmd_help(fio_options, opt);
3732}
3733
3734void options_mem_dupe(void *data, struct fio_option *options)
3735{
3736 struct fio_option *o;
3737 char **ptr;
3738
3739 for (o = &options[0]; o->name; o++) {
3740 if (o->type != FIO_OPT_STR_STORE)
3741 continue;
3742
3743 ptr = td_var(data, o->off1);
3744 if (*ptr)
3745 *ptr = strdup(*ptr);
3746 }
3747}
3748
3749/*
3750 * dupe FIO_OPT_STR_STORE options
3751 */
3752void fio_options_mem_dupe(struct thread_data *td)
3753{
3754 options_mem_dupe(&td->o, fio_options);
3755
3756 if (td->eo && td->io_ops) {
3757 void *oldeo = td->eo;
3758
3759 td->eo = malloc(td->io_ops->option_struct_size);
3760 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3761 options_mem_dupe(td->eo, td->io_ops->options);
3762 }
3763}
3764
3765unsigned int fio_get_kb_base(void *data)
3766{
3767 struct thread_options *o = data;
3768 unsigned int kb_base = 0;
3769
3770 if (o)
3771 kb_base = o->kb_base;
3772 if (!kb_base)
3773 kb_base = 1024;
3774
3775 return kb_base;
3776}
3777
3778int add_option(struct fio_option *o)
3779{
3780 struct fio_option *__o;
3781 int opt_index = 0;
3782
3783 __o = fio_options;
3784 while (__o->name) {
3785 opt_index++;
3786 __o++;
3787 }
3788
3789 if (opt_index + 1 == FIO_MAX_OPTS) {
3790 log_err("fio: FIO_MAX_OPTS is too small\n");
3791 return 1;
3792 }
3793
3794 memcpy(&fio_options[opt_index], o, sizeof(*o));
3795 fio_options[opt_index + 1].name = NULL;
3796 return 0;
3797}
3798
3799void invalidate_profile_options(const char *prof_name)
3800{
3801 struct fio_option *o;
3802
3803 o = fio_options;
3804 while (o->name) {
3805 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
3806 o->type = FIO_OPT_INVALID;
3807 o->prof_name = NULL;
3808 }
3809 o++;
3810 }
3811}
3812
3813void add_opt_posval(const char *optname, const char *ival, const char *help)
3814{
3815 struct fio_option *o;
3816 unsigned int i;
3817
3818 o = find_option(fio_options, optname);
3819 if (!o)
3820 return;
3821
3822 for (i = 0; i < PARSE_MAX_VP; i++) {
3823 if (o->posval[i].ival)
3824 continue;
3825
3826 o->posval[i].ival = ival;
3827 o->posval[i].help = help;
3828 break;
3829 }
3830}
3831
3832void del_opt_posval(const char *optname, const char *ival)
3833{
3834 struct fio_option *o;
3835 unsigned int i;
3836
3837 o = find_option(fio_options, optname);
3838 if (!o)
3839 return;
3840
3841 for (i = 0; i < PARSE_MAX_VP; i++) {
3842 if (!o->posval[i].ival)
3843 continue;
3844 if (strcmp(o->posval[i].ival, ival))
3845 continue;
3846
3847 o->posval[i].ival = NULL;
3848 o->posval[i].help = NULL;
3849 }
3850}
3851
3852void fio_options_free(struct thread_data *td)
3853{
3854 options_free(fio_options, td);
3855 if (td->eo && td->io_ops && td->io_ops->options) {
3856 options_free(td->io_ops->options, td->eo);
3857 free(td->eo);
3858 td->eo = NULL;
3859 }
3860}
3861
3862struct fio_option *fio_option_find(const char *name)
3863{
3864 return find_option(fio_options, name);
3865}
3866
fio - Flexible IO Tester