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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
6#include <assert.h>
7#include <libgen.h>
8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
11
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_opendir_cb(void *data, const char fio_unused *str)
825{
826 struct thread_data *td = data;
827
828 if (parse_dryrun())
829 return 0;
830
831 if (!td->files_index)
832 td->o.nr_files = 0;
833
834 return add_dir_files(td, td->o.opendir);
835}
836
837static int pattern_cb(char *pattern, unsigned int max_size,
838 const char *input, unsigned int *pattern_bytes)
839{
840 long off;
841 int i = 0, j = 0, len, k, base = 10;
842 uint32_t pattern_length;
843 char *loc1, *loc2;
844
845 loc1 = strstr(input, "0x");
846 loc2 = strstr(input, "0X");
847 if (loc1 || loc2)
848 base = 16;
849 off = strtol(input, NULL, base);
850 if (off != LONG_MAX || errno != ERANGE) {
851 while (off) {
852 pattern[i] = off & 0xff;
853 off >>= 8;
854 i++;
855 }
856 } else {
857 len = strlen(input);
858 k = len - 1;
859 if (base == 16) {
860 if (loc1)
861 j = loc1 - input + 2;
862 else
863 j = loc2 - input + 2;
864 } else
865 return 1;
866 if (len - j < max_size * 2) {
867 while (k >= j) {
868 off = converthexchartoint(input[k--]);
869 if (k >= j)
870 off += (converthexchartoint(input[k--])
871 * 16);
872 pattern[i++] = (char) off;
873 }
874 }
875 }
876
877 /*
878 * Fill the pattern all the way to the end. This greatly reduces
879 * the number of memcpy's we have to do when verifying the IO.
880 */
881 pattern_length = i;
882 while (i > 1 && i * 2 <= max_size) {
883 memcpy(&pattern[i], &pattern[0], i);
884 i *= 2;
885 }
886
887 /*
888 * Fill remainder, if the pattern multiple ends up not being
889 * max_size.
890 */
891 while (i > 1 && i < max_size) {
892 unsigned int b = min(pattern_length, max_size - i);
893
894 memcpy(&pattern[i], &pattern[0], b);
895 i += b;
896 }
897
898 if (i == 1) {
899 /*
900 * The code in verify_io_u_pattern assumes a single byte pattern
901 * fills the whole verify pattern buffer.
902 */
903 memset(pattern, pattern[0], max_size);
904 }
905
906 *pattern_bytes = i;
907 return 0;
908}
909
910static int str_buffer_pattern_cb(void *data, const char *input)
911{
912 struct thread_data *td = data;
913 int ret;
914
915 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
916 &td->o.buffer_pattern_bytes);
917
918 if (!ret) {
919 td->o.refill_buffers = 0;
920 td->o.scramble_buffers = 0;
921 td->o.zero_buffers = 0;
922 }
923
924 return ret;
925}
926
927static int str_verify_pattern_cb(void *data, const char *input)
928{
929 struct thread_data *td = data;
930 int ret;
931
932 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
933 &td->o.verify_pattern_bytes);
934
935 /*
936 * VERIFY_META could already be set
937 */
938 if (!ret && td->o.verify == VERIFY_NONE)
939 td->o.verify = VERIFY_PATTERN;
940
941 return ret;
942}
943
944static int str_gtod_reduce_cb(void *data, int *il)
945{
946 struct thread_data *td = data;
947 int val = *il;
948
949 td->o.disable_lat = !!val;
950 td->o.disable_clat = !!val;
951 td->o.disable_slat = !!val;
952 td->o.disable_bw = !!val;
953 td->o.clat_percentiles = !val;
954 if (val)
955 td->tv_cache_mask = 63;
956
957 return 0;
958}
959
960static int str_gtod_cpu_cb(void *data, long long *il)
961{
962 struct thread_data *td = data;
963 int val = *il;
964
965 td->o.gtod_cpu = val;
966 td->o.gtod_offload = 1;
967 return 0;
968}
969
970static int str_size_cb(void *data, unsigned long long *__val)
971{
972 struct thread_data *td = data;
973 unsigned long long v = *__val;
974
975 if (parse_is_percent(v)) {
976 td->o.size = 0;
977 td->o.size_percent = -1ULL - v;
978 } else
979 td->o.size = v;
980
981 return 0;
982}
983
984static int rw_verify(struct fio_option *o, void *data)
985{
986 struct thread_data *td = data;
987
988 if (read_only && td_write(td)) {
989 log_err("fio: job <%s> has write bit set, but fio is in"
990 " read-only mode\n", td->o.name);
991 return 1;
992 }
993
994 return 0;
995}
996
997static int gtod_cpu_verify(struct fio_option *o, void *data)
998{
999#ifndef FIO_HAVE_CPU_AFFINITY
1000 struct thread_data *td = data;
1001
1002 if (td->o.gtod_cpu) {
1003 log_err("fio: platform must support CPU affinity for"
1004 "gettimeofday() offloading\n");
1005 return 1;
1006 }
1007#endif
1008
1009 return 0;
1010}
1011
1012/*
1013 * Option grouping
1014 */
1015static struct opt_group fio_opt_groups[] = {
1016 {
1017 .name = "General",
1018 .mask = FIO_OPT_C_GENERAL,
1019 },
1020 {
1021 .name = "I/O",
1022 .mask = FIO_OPT_C_IO,
1023 },
1024 {
1025 .name = "File",
1026 .mask = FIO_OPT_C_FILE,
1027 },
1028 {
1029 .name = "Statistics",
1030 .mask = FIO_OPT_C_STAT,
1031 },
1032 {
1033 .name = "Logging",
1034 .mask = FIO_OPT_C_LOG,
1035 },
1036 {
1037 .name = "Profiles",
1038 .mask = FIO_OPT_C_PROFILE,
1039 },
1040 {
1041 .name = NULL,
1042 },
1043};
1044
1045static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1046 unsigned int inv_mask)
1047{
1048 struct opt_group *og;
1049 int i;
1050
1051 if (*mask == inv_mask || !*mask)
1052 return NULL;
1053
1054 for (i = 0; ogs[i].name; i++) {
1055 og = &ogs[i];
1056
1057 if (*mask & og->mask) {
1058 *mask &= ~(og->mask);
1059 return og;
1060 }
1061 }
1062
1063 return NULL;
1064}
1065
1066struct opt_group *opt_group_from_mask(unsigned int *mask)
1067{
1068 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1069}
1070
1071static struct opt_group fio_opt_cat_groups[] = {
1072 {
1073 .name = "Latency profiling",
1074 .mask = FIO_OPT_G_LATPROF,
1075 },
1076 {
1077 .name = "Rate",
1078 .mask = FIO_OPT_G_RATE,
1079 },
1080 {
1081 .name = "Zone",
1082 .mask = FIO_OPT_G_ZONE,
1083 },
1084 {
1085 .name = "Read/write mix",
1086 .mask = FIO_OPT_G_RWMIX,
1087 },
1088 {
1089 .name = "Verify",
1090 .mask = FIO_OPT_G_VERIFY,
1091 },
1092 {
1093 .name = "Trim",
1094 .mask = FIO_OPT_G_TRIM,
1095 },
1096 {
1097 .name = "I/O Logging",
1098 .mask = FIO_OPT_G_IOLOG,
1099 },
1100 {
1101 .name = "I/O Depth",
1102 .mask = FIO_OPT_G_IO_DEPTH,
1103 },
1104 {
1105 .name = "I/O Flow",
1106 .mask = FIO_OPT_G_IO_FLOW,
1107 },
1108 {
1109 .name = "Description",
1110 .mask = FIO_OPT_G_DESC,
1111 },
1112 {
1113 .name = "Filename",
1114 .mask = FIO_OPT_G_FILENAME,
1115 },
1116 {
1117 .name = "General I/O",
1118 .mask = FIO_OPT_G_IO_BASIC,
1119 },
1120 {
1121 .name = "Cgroups",
1122 .mask = FIO_OPT_G_CGROUP,
1123 },
1124 {
1125 .name = "Runtime",
1126 .mask = FIO_OPT_G_RUNTIME,
1127 },
1128 {
1129 .name = "Process",
1130 .mask = FIO_OPT_G_PROCESS,
1131 },
1132 {
1133 .name = "Job credentials / priority",
1134 .mask = FIO_OPT_G_CRED,
1135 },
1136 {
1137 .name = "Clock settings",
1138 .mask = FIO_OPT_G_CLOCK,
1139 },
1140 {
1141 .name = "I/O Type",
1142 .mask = FIO_OPT_G_IO_TYPE,
1143 },
1144 {
1145 .name = "I/O Thinktime",
1146 .mask = FIO_OPT_G_THINKTIME,
1147 },
1148 {
1149 .name = "Randomizations",
1150 .mask = FIO_OPT_G_RANDOM,
1151 },
1152 {
1153 .name = "I/O buffers",
1154 .mask = FIO_OPT_G_IO_BUF,
1155 },
1156 {
1157 .name = "Tiobench profile",
1158 .mask = FIO_OPT_G_TIOBENCH,
1159 },
1160
1161 {
1162 .name = NULL,
1163 }
1164};
1165
1166struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
1167{
1168 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
1169}
1170
1171/*
1172 * Map of job/command line options
1173 */
1174struct fio_option fio_options[FIO_MAX_OPTS] = {
1175 {
1176 .name = "description",
1177 .lname = "Description of job",
1178 .type = FIO_OPT_STR_STORE,
1179 .off1 = td_var_offset(description),
1180 .help = "Text job description",
1181 .category = FIO_OPT_C_GENERAL,
1182 .group = FIO_OPT_G_DESC,
1183 },
1184 {
1185 .name = "name",
1186 .lname = "Job name",
1187 .type = FIO_OPT_STR_STORE,
1188 .off1 = td_var_offset(name),
1189 .help = "Name of this job",
1190 .category = FIO_OPT_C_GENERAL,
1191 .group = FIO_OPT_G_DESC,
1192 },
1193 {
1194 .name = "filename",
1195 .lname = "Filename(s)",
1196 .type = FIO_OPT_STR_STORE,
1197 .off1 = td_var_offset(filename),
1198 .cb = str_filename_cb,
1199 .prio = -1, /* must come after "directory" */
1200 .help = "File(s) to use for the workload",
1201 .category = FIO_OPT_C_FILE,
1202 .group = FIO_OPT_G_FILENAME,
1203 },
1204 {
1205 .name = "directory",
1206 .lname = "Directory",
1207 .type = FIO_OPT_STR_STORE,
1208 .off1 = td_var_offset(directory),
1209 .cb = str_directory_cb,
1210 .help = "Directory to store files in",
1211 .category = FIO_OPT_C_FILE,
1212 .group = FIO_OPT_G_FILENAME,
1213 },
1214 {
1215 .name = "filename_format",
1216 .type = FIO_OPT_STR_STORE,
1217 .off1 = td_var_offset(filename_format),
1218 .prio = -1, /* must come after "directory" */
1219 .help = "Override default $jobname.$jobnum.$filenum naming",
1220 .def = "$jobname.$jobnum.$filenum",
1221 .category = FIO_OPT_C_FILE,
1222 .group = FIO_OPT_G_FILENAME,
1223 },
1224 {
1225 .name = "lockfile",
1226 .lname = "Lockfile",
1227 .type = FIO_OPT_STR,
1228 .off1 = td_var_offset(file_lock_mode),
1229 .help = "Lock file when doing IO to it",
1230 .parent = "filename",
1231 .hide = 0,
1232 .def = "none",
1233 .category = FIO_OPT_C_FILE,
1234 .group = FIO_OPT_G_FILENAME,
1235 .posval = {
1236 { .ival = "none",
1237 .oval = FILE_LOCK_NONE,
1238 .help = "No file locking",
1239 },
1240 { .ival = "exclusive",
1241 .oval = FILE_LOCK_EXCLUSIVE,
1242 .help = "Exclusive file lock",
1243 },
1244 {
1245 .ival = "readwrite",
1246 .oval = FILE_LOCK_READWRITE,
1247 .help = "Read vs write lock",
1248 },
1249 },
1250 },
1251 {
1252 .name = "opendir",
1253 .lname = "Open directory",
1254 .type = FIO_OPT_STR_STORE,
1255 .off1 = td_var_offset(opendir),
1256 .cb = str_opendir_cb,
1257 .help = "Recursively add files from this directory and down",
1258 .category = FIO_OPT_C_FILE,
1259 .group = FIO_OPT_G_FILENAME,
1260 },
1261 {
1262 .name = "rw",
1263 .lname = "Read/write",
1264 .alias = "readwrite",
1265 .type = FIO_OPT_STR,
1266 .cb = str_rw_cb,
1267 .off1 = td_var_offset(td_ddir),
1268 .help = "IO direction",
1269 .def = "read",
1270 .verify = rw_verify,
1271 .category = FIO_OPT_C_IO,
1272 .group = FIO_OPT_G_IO_BASIC,
1273 .posval = {
1274 { .ival = "read",
1275 .oval = TD_DDIR_READ,
1276 .help = "Sequential read",
1277 },
1278 { .ival = "write",
1279 .oval = TD_DDIR_WRITE,
1280 .help = "Sequential write",
1281 },
1282 { .ival = "trim",
1283 .oval = TD_DDIR_TRIM,
1284 .help = "Sequential trim",
1285 },
1286 { .ival = "randread",
1287 .oval = TD_DDIR_RANDREAD,
1288 .help = "Random read",
1289 },
1290 { .ival = "randwrite",
1291 .oval = TD_DDIR_RANDWRITE,
1292 .help = "Random write",
1293 },
1294 { .ival = "randtrim",
1295 .oval = TD_DDIR_RANDTRIM,
1296 .help = "Random trim",
1297 },
1298 { .ival = "rw",
1299 .oval = TD_DDIR_RW,
1300 .help = "Sequential read and write mix",
1301 },
1302 { .ival = "readwrite",
1303 .oval = TD_DDIR_RW,
1304 .help = "Sequential read and write mix",
1305 },
1306 { .ival = "randrw",
1307 .oval = TD_DDIR_RANDRW,
1308 .help = "Random read and write mix"
1309 },
1310 },
1311 },
1312 {
1313 .name = "rw_sequencer",
1314 .lname = "RW Sequencer",
1315 .type = FIO_OPT_STR,
1316 .off1 = td_var_offset(rw_seq),
1317 .help = "IO offset generator modifier",
1318 .def = "sequential",
1319 .category = FIO_OPT_C_IO,
1320 .group = FIO_OPT_G_IO_BASIC,
1321 .posval = {
1322 { .ival = "sequential",
1323 .oval = RW_SEQ_SEQ,
1324 .help = "Generate sequential offsets",
1325 },
1326 { .ival = "identical",
1327 .oval = RW_SEQ_IDENT,
1328 .help = "Generate identical offsets",
1329 },
1330 },
1331 },
1332
1333 {
1334 .name = "ioengine",
1335 .lname = "IO Engine",
1336 .type = FIO_OPT_STR_STORE,
1337 .off1 = td_var_offset(ioengine),
1338 .help = "IO engine to use",
1339 .def = FIO_PREFERRED_ENGINE,
1340 .category = FIO_OPT_C_IO,
1341 .group = FIO_OPT_G_IO_BASIC,
1342 .posval = {
1343 { .ival = "sync",
1344 .help = "Use read/write",
1345 },
1346 { .ival = "psync",
1347 .help = "Use pread/pwrite",
1348 },
1349 { .ival = "vsync",
1350 .help = "Use readv/writev",
1351 },
1352#ifdef CONFIG_PWRITEV
1353 { .ival = "pvsync",
1354 .help = "Use preadv/pwritev",
1355 },
1356#endif
1357#ifdef CONFIG_LIBAIO
1358 { .ival = "libaio",
1359 .help = "Linux native asynchronous IO",
1360 },
1361#endif
1362#ifdef CONFIG_POSIXAIO
1363 { .ival = "posixaio",
1364 .help = "POSIX asynchronous IO",
1365 },
1366#endif
1367#ifdef CONFIG_SOLARISAIO
1368 { .ival = "solarisaio",
1369 .help = "Solaris native asynchronous IO",
1370 },
1371#endif
1372#ifdef CONFIG_WINDOWSAIO
1373 { .ival = "windowsaio",
1374 .help = "Windows native asynchronous IO"
1375 },
1376#endif
1377 { .ival = "mmap",
1378 .help = "Memory mapped IO"
1379 },
1380#ifdef CONFIG_LINUX_SPLICE
1381 { .ival = "splice",
1382 .help = "splice/vmsplice based IO",
1383 },
1384 { .ival = "netsplice",
1385 .help = "splice/vmsplice to/from the network",
1386 },
1387#endif
1388#ifdef FIO_HAVE_SGIO
1389 { .ival = "sg",
1390 .help = "SCSI generic v3 IO",
1391 },
1392#endif
1393 { .ival = "null",
1394 .help = "Testing engine (no data transfer)",
1395 },
1396 { .ival = "net",
1397 .help = "Network IO",
1398 },
1399 { .ival = "cpuio",
1400 .help = "CPU cycle burner engine",
1401 },
1402#ifdef CONFIG_GUASI
1403 { .ival = "guasi",
1404 .help = "GUASI IO engine",
1405 },
1406#endif
1407#ifdef FIO_HAVE_BINJECT
1408 { .ival = "binject",
1409 .help = "binject direct inject block engine",
1410 },
1411#endif
1412#ifdef CONFIG_RDMA
1413 { .ival = "rdma",
1414 .help = "RDMA IO engine",
1415 },
1416#endif
1417#ifdef CONFIG_FUSION_AW
1418 { .ival = "fusion-aw-sync",
1419 .help = "Fusion-io atomic write engine",
1420 },
1421#endif
1422#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1423 { .ival = "e4defrag",
1424 .help = "ext4 defrag engine",
1425 },
1426#endif
1427#ifdef CONFIG_LINUX_FALLOCATE
1428 { .ival = "falloc",
1429 .help = "fallocate() file based engine",
1430 },
1431#endif
1432 { .ival = "external",
1433 .help = "Load external engine (append name)",
1434 },
1435 },
1436 },
1437 {
1438 .name = "iodepth",
1439 .lname = "IO Depth",
1440 .type = FIO_OPT_INT,
1441 .off1 = td_var_offset(iodepth),
1442 .help = "Number of IO buffers to keep in flight",
1443 .minval = 1,
1444 .interval = 1,
1445 .def = "1",
1446 .category = FIO_OPT_C_IO,
1447 .group = FIO_OPT_G_IO_BASIC,
1448 },
1449 {
1450 .name = "iodepth_batch",
1451 .lname = "IO Depth batch",
1452 .alias = "iodepth_batch_submit",
1453 .type = FIO_OPT_INT,
1454 .off1 = td_var_offset(iodepth_batch),
1455 .help = "Number of IO buffers to submit in one go",
1456 .parent = "iodepth",
1457 .hide = 1,
1458 .minval = 1,
1459 .interval = 1,
1460 .def = "1",
1461 .category = FIO_OPT_C_IO,
1462 .group = FIO_OPT_G_IO_BASIC,
1463 },
1464 {
1465 .name = "iodepth_batch_complete",
1466 .lname = "IO Depth batch complete",
1467 .type = FIO_OPT_INT,
1468 .off1 = td_var_offset(iodepth_batch_complete),
1469 .help = "Number of IO buffers to retrieve in one go",
1470 .parent = "iodepth",
1471 .hide = 1,
1472 .minval = 0,
1473 .interval = 1,
1474 .def = "1",
1475 .category = FIO_OPT_C_IO,
1476 .group = FIO_OPT_G_IO_BASIC,
1477 },
1478 {
1479 .name = "iodepth_low",
1480 .lname = "IO Depth batch low",
1481 .type = FIO_OPT_INT,
1482 .off1 = td_var_offset(iodepth_low),
1483 .help = "Low water mark for queuing depth",
1484 .parent = "iodepth",
1485 .hide = 1,
1486 .interval = 1,
1487 .category = FIO_OPT_C_IO,
1488 .group = FIO_OPT_G_IO_BASIC,
1489 },
1490 {
1491 .name = "size",
1492 .lname = "Size",
1493 .type = FIO_OPT_STR_VAL,
1494 .cb = str_size_cb,
1495 .help = "Total size of device or files",
1496 .interval = 1024 * 1024,
1497 .category = FIO_OPT_C_IO,
1498 .group = FIO_OPT_G_INVALID,
1499 },
1500 {
1501 .name = "fill_device",
1502 .lname = "Fill device",
1503 .alias = "fill_fs",
1504 .type = FIO_OPT_BOOL,
1505 .off1 = td_var_offset(fill_device),
1506 .help = "Write until an ENOSPC error occurs",
1507 .def = "0",
1508 .category = FIO_OPT_C_FILE,
1509 .group = FIO_OPT_G_INVALID,
1510 },
1511 {
1512 .name = "filesize",
1513 .lname = "File size",
1514 .type = FIO_OPT_STR_VAL,
1515 .off1 = td_var_offset(file_size_low),
1516 .off2 = td_var_offset(file_size_high),
1517 .minval = 1,
1518 .help = "Size of individual files",
1519 .interval = 1024 * 1024,
1520 .category = FIO_OPT_C_FILE,
1521 .group = FIO_OPT_G_INVALID,
1522 },
1523 {
1524 .name = "offset",
1525 .lname = "IO offset",
1526 .alias = "fileoffset",
1527 .type = FIO_OPT_STR_VAL,
1528 .off1 = td_var_offset(start_offset),
1529 .help = "Start IO from this offset",
1530 .def = "0",
1531 .interval = 1024 * 1024,
1532 .category = FIO_OPT_C_IO,
1533 .group = FIO_OPT_G_INVALID,
1534 },
1535 {
1536 .name = "offset_increment",
1537 .lname = "IO offset increment",
1538 .type = FIO_OPT_STR_VAL,
1539 .off1 = td_var_offset(offset_increment),
1540 .help = "What is the increment from one offset to the next",
1541 .parent = "offset",
1542 .hide = 1,
1543 .def = "0",
1544 .interval = 1024 * 1024,
1545 .category = FIO_OPT_C_IO,
1546 .group = FIO_OPT_G_INVALID,
1547 },
1548 {
1549 .name = "number_ios",
1550 .lname = "Number of IOs to perform",
1551 .type = FIO_OPT_STR_VAL,
1552 .off1 = td_var_offset(number_ios),
1553 .help = "Force job completion of this number of IOs",
1554 .def = "0",
1555 .category = FIO_OPT_C_IO,
1556 .group = FIO_OPT_G_INVALID,
1557 },
1558 {
1559 .name = "bs",
1560 .lname = "Block size",
1561 .alias = "blocksize",
1562 .type = FIO_OPT_INT,
1563 .off1 = td_var_offset(bs[DDIR_READ]),
1564 .off2 = td_var_offset(bs[DDIR_WRITE]),
1565 .off3 = td_var_offset(bs[DDIR_TRIM]),
1566 .minval = 1,
1567 .help = "Block size unit",
1568 .def = "4k",
1569 .parent = "rw",
1570 .hide = 1,
1571 .interval = 512,
1572 .category = FIO_OPT_C_IO,
1573 .group = FIO_OPT_G_INVALID,
1574 },
1575 {
1576 .name = "ba",
1577 .lname = "Block size align",
1578 .alias = "blockalign",
1579 .type = FIO_OPT_INT,
1580 .off1 = td_var_offset(ba[DDIR_READ]),
1581 .off2 = td_var_offset(ba[DDIR_WRITE]),
1582 .off3 = td_var_offset(ba[DDIR_TRIM]),
1583 .minval = 1,
1584 .help = "IO block offset alignment",
1585 .parent = "rw",
1586 .hide = 1,
1587 .interval = 512,
1588 .category = FIO_OPT_C_IO,
1589 .group = FIO_OPT_G_INVALID,
1590 },
1591 {
1592 .name = "bsrange",
1593 .lname = "Block size range",
1594 .alias = "blocksize_range",
1595 .type = FIO_OPT_RANGE,
1596 .off1 = td_var_offset(min_bs[DDIR_READ]),
1597 .off2 = td_var_offset(max_bs[DDIR_READ]),
1598 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1599 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1600 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1601 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1602 .minval = 1,
1603 .help = "Set block size range (in more detail than bs)",
1604 .parent = "rw",
1605 .hide = 1,
1606 .interval = 4096,
1607 .category = FIO_OPT_C_IO,
1608 .group = FIO_OPT_G_INVALID,
1609 },
1610 {
1611 .name = "bssplit",
1612 .lname = "Block size split",
1613 .type = FIO_OPT_STR,
1614 .cb = str_bssplit_cb,
1615 .help = "Set a specific mix of block sizes",
1616 .parent = "rw",
1617 .hide = 1,
1618 .category = FIO_OPT_C_IO,
1619 .group = FIO_OPT_G_INVALID,
1620 },
1621 {
1622 .name = "bs_unaligned",
1623 .lname = "Block size unaligned",
1624 .alias = "blocksize_unaligned",
1625 .type = FIO_OPT_STR_SET,
1626 .off1 = td_var_offset(bs_unaligned),
1627 .help = "Don't sector align IO buffer sizes",
1628 .parent = "rw",
1629 .hide = 1,
1630 .category = FIO_OPT_C_IO,
1631 .group = FIO_OPT_G_INVALID,
1632 },
1633 {
1634 .name = "bs_is_seq_rand",
1635 .lname = "Block size division is seq/random (not read/write)",
1636 .type = FIO_OPT_BOOL,
1637 .off1 = td_var_offset(bs_is_seq_rand),
1638 .help = "Consider any blocksize setting to be sequential,ramdom",
1639 .def = "0",
1640 .parent = "blocksize",
1641 .category = FIO_OPT_C_IO,
1642 .group = FIO_OPT_G_INVALID,
1643 },
1644 {
1645 .name = "randrepeat",
1646 .lname = "Random repeatable",
1647 .type = FIO_OPT_BOOL,
1648 .off1 = td_var_offset(rand_repeatable),
1649 .help = "Use repeatable random IO pattern",
1650 .def = "1",
1651 .parent = "rw",
1652 .hide = 1,
1653 .category = FIO_OPT_C_IO,
1654 .group = FIO_OPT_G_RANDOM,
1655 },
1656 {
1657 .name = "randseed",
1658 .lname = "The random generator seed",
1659 .type = FIO_OPT_STR_VAL,
1660 .off1 = td_var_offset(rand_seed),
1661 .help = "Set the random generator seed value",
1662 .parent = "rw",
1663 .category = FIO_OPT_C_IO,
1664 .group = FIO_OPT_G_RANDOM,
1665 },
1666 {
1667 .name = "use_os_rand",
1668 .lname = "Use OS random",
1669 .type = FIO_OPT_BOOL,
1670 .off1 = td_var_offset(use_os_rand),
1671 .help = "Set to use OS random generator",
1672 .def = "0",
1673 .parent = "rw",
1674 .hide = 1,
1675 .category = FIO_OPT_C_IO,
1676 .group = FIO_OPT_G_RANDOM,
1677 },
1678 {
1679 .name = "norandommap",
1680 .lname = "No randommap",
1681 .type = FIO_OPT_STR_SET,
1682 .off1 = td_var_offset(norandommap),
1683 .help = "Accept potential duplicate random blocks",
1684 .parent = "rw",
1685 .hide = 1,
1686 .hide_on_set = 1,
1687 .category = FIO_OPT_C_IO,
1688 .group = FIO_OPT_G_RANDOM,
1689 },
1690 {
1691 .name = "softrandommap",
1692 .lname = "Soft randommap",
1693 .type = FIO_OPT_BOOL,
1694 .off1 = td_var_offset(softrandommap),
1695 .help = "Set norandommap if randommap allocation fails",
1696 .parent = "norandommap",
1697 .hide = 1,
1698 .def = "0",
1699 .category = FIO_OPT_C_IO,
1700 .group = FIO_OPT_G_RANDOM,
1701 },
1702 {
1703 .name = "random_generator",
1704 .type = FIO_OPT_STR,
1705 .off1 = td_var_offset(random_generator),
1706 .help = "Type of random number generator to use",
1707 .def = "tausworthe",
1708 .posval = {
1709 { .ival = "tausworthe",
1710 .oval = FIO_RAND_GEN_TAUSWORTHE,
1711 .help = "Strong Tausworthe generator",
1712 },
1713 { .ival = "lfsr",
1714 .oval = FIO_RAND_GEN_LFSR,
1715 .help = "Variable length LFSR",
1716 },
1717 },
1718 .category = FIO_OPT_C_IO,
1719 .group = FIO_OPT_G_RANDOM,
1720 },
1721 {
1722 .name = "random_distribution",
1723 .type = FIO_OPT_STR,
1724 .off1 = td_var_offset(random_distribution),
1725 .cb = str_random_distribution_cb,
1726 .help = "Random offset distribution generator",
1727 .def = "random",
1728 .posval = {
1729 { .ival = "random",
1730 .oval = FIO_RAND_DIST_RANDOM,
1731 .help = "Completely random",
1732 },
1733 { .ival = "zipf",
1734 .oval = FIO_RAND_DIST_ZIPF,
1735 .help = "Zipf distribution",
1736 },
1737 { .ival = "pareto",
1738 .oval = FIO_RAND_DIST_PARETO,
1739 .help = "Pareto distribution",
1740 },
1741 },
1742 .category = FIO_OPT_C_IO,
1743 .group = FIO_OPT_G_RANDOM,
1744 },
1745 {
1746 .name = "percentage_random",
1747 .lname = "Percentage Random",
1748 .type = FIO_OPT_INT,
1749 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1750 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1751 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
1752 .maxval = 100,
1753 .help = "Percentage of seq/random mix that should be random",
1754 .def = "100,100,100",
1755 .interval = 5,
1756 .inverse = "percentage_sequential",
1757 .category = FIO_OPT_C_IO,
1758 .group = FIO_OPT_G_RANDOM,
1759 },
1760 {
1761 .name = "percentage_sequential",
1762 .lname = "Percentage Sequential",
1763 .type = FIO_OPT_DEPRECATED,
1764 .category = FIO_OPT_C_IO,
1765 .group = FIO_OPT_G_RANDOM,
1766 },
1767 {
1768 .name = "nrfiles",
1769 .lname = "Number of files",
1770 .alias = "nr_files",
1771 .type = FIO_OPT_INT,
1772 .off1 = td_var_offset(nr_files),
1773 .help = "Split job workload between this number of files",
1774 .def = "1",
1775 .interval = 1,
1776 .category = FIO_OPT_C_FILE,
1777 .group = FIO_OPT_G_INVALID,
1778 },
1779 {
1780 .name = "openfiles",
1781 .lname = "Number of open files",
1782 .type = FIO_OPT_INT,
1783 .off1 = td_var_offset(open_files),
1784 .help = "Number of files to keep open at the same time",
1785 .category = FIO_OPT_C_FILE,
1786 .group = FIO_OPT_G_INVALID,
1787 },
1788 {
1789 .name = "file_service_type",
1790 .lname = "File service type",
1791 .type = FIO_OPT_STR,
1792 .cb = str_fst_cb,
1793 .off1 = td_var_offset(file_service_type),
1794 .help = "How to select which file to service next",
1795 .def = "roundrobin",
1796 .category = FIO_OPT_C_FILE,
1797 .group = FIO_OPT_G_INVALID,
1798 .posval = {
1799 { .ival = "random",
1800 .oval = FIO_FSERVICE_RANDOM,
1801 .help = "Choose a file at random",
1802 },
1803 { .ival = "roundrobin",
1804 .oval = FIO_FSERVICE_RR,
1805 .help = "Round robin select files",
1806 },
1807 { .ival = "sequential",
1808 .oval = FIO_FSERVICE_SEQ,
1809 .help = "Finish one file before moving to the next",
1810 },
1811 },
1812 .parent = "nrfiles",
1813 .hide = 1,
1814 },
1815#ifdef CONFIG_POSIX_FALLOCATE
1816 {
1817 .name = "fallocate",
1818 .lname = "Fallocate",
1819 .type = FIO_OPT_STR,
1820 .off1 = td_var_offset(fallocate_mode),
1821 .help = "Whether pre-allocation is performed when laying out files",
1822 .def = "posix",
1823 .category = FIO_OPT_C_FILE,
1824 .group = FIO_OPT_G_INVALID,
1825 .posval = {
1826 { .ival = "none",
1827 .oval = FIO_FALLOCATE_NONE,
1828 .help = "Do not pre-allocate space",
1829 },
1830 { .ival = "posix",
1831 .oval = FIO_FALLOCATE_POSIX,
1832 .help = "Use posix_fallocate()",
1833 },
1834#ifdef CONFIG_LINUX_FALLOCATE
1835 { .ival = "keep",
1836 .oval = FIO_FALLOCATE_KEEP_SIZE,
1837 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1838 },
1839#endif
1840 /* Compatibility with former boolean values */
1841 { .ival = "0",
1842 .oval = FIO_FALLOCATE_NONE,
1843 .help = "Alias for 'none'",
1844 },
1845 { .ival = "1",
1846 .oval = FIO_FALLOCATE_POSIX,
1847 .help = "Alias for 'posix'",
1848 },
1849 },
1850 },
1851#endif /* CONFIG_POSIX_FALLOCATE */
1852 {
1853 .name = "fadvise_hint",
1854 .lname = "Fadvise hint",
1855 .type = FIO_OPT_BOOL,
1856 .off1 = td_var_offset(fadvise_hint),
1857 .help = "Use fadvise() to advise the kernel on IO pattern",
1858 .def = "1",
1859 .category = FIO_OPT_C_FILE,
1860 .group = FIO_OPT_G_INVALID,
1861 },
1862 {
1863 .name = "fsync",
1864 .lname = "Fsync",
1865 .type = FIO_OPT_INT,
1866 .off1 = td_var_offset(fsync_blocks),
1867 .help = "Issue fsync for writes every given number of blocks",
1868 .def = "0",
1869 .interval = 1,
1870 .category = FIO_OPT_C_FILE,
1871 .group = FIO_OPT_G_INVALID,
1872 },
1873 {
1874 .name = "fdatasync",
1875 .lname = "Fdatasync",
1876 .type = FIO_OPT_INT,
1877 .off1 = td_var_offset(fdatasync_blocks),
1878 .help = "Issue fdatasync for writes every given number of blocks",
1879 .def = "0",
1880 .interval = 1,
1881 .category = FIO_OPT_C_FILE,
1882 .group = FIO_OPT_G_INVALID,
1883 },
1884 {
1885 .name = "write_barrier",
1886 .lname = "Write barrier",
1887 .type = FIO_OPT_INT,
1888 .off1 = td_var_offset(barrier_blocks),
1889 .help = "Make every Nth write a barrier write",
1890 .def = "0",
1891 .interval = 1,
1892 .category = FIO_OPT_C_IO,
1893 .group = FIO_OPT_G_INVALID,
1894 },
1895#ifdef CONFIG_SYNC_FILE_RANGE
1896 {
1897 .name = "sync_file_range",
1898 .lname = "Sync file range",
1899 .posval = {
1900 { .ival = "wait_before",
1901 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
1902 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
1903 .or = 1,
1904 },
1905 { .ival = "write",
1906 .oval = SYNC_FILE_RANGE_WRITE,
1907 .help = "SYNC_FILE_RANGE_WRITE",
1908 .or = 1,
1909 },
1910 {
1911 .ival = "wait_after",
1912 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
1913 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
1914 .or = 1,
1915 },
1916 },
1917 .type = FIO_OPT_STR_MULTI,
1918 .cb = str_sfr_cb,
1919 .off1 = td_var_offset(sync_file_range),
1920 .help = "Use sync_file_range()",
1921 .category = FIO_OPT_C_FILE,
1922 .group = FIO_OPT_G_INVALID,
1923 },
1924#endif
1925 {
1926 .name = "direct",
1927 .lname = "Direct I/O",
1928 .type = FIO_OPT_BOOL,
1929 .off1 = td_var_offset(odirect),
1930 .help = "Use O_DIRECT IO (negates buffered)",
1931 .def = "0",
1932 .inverse = "buffered",
1933 .category = FIO_OPT_C_IO,
1934 .group = FIO_OPT_G_IO_TYPE,
1935 },
1936 {
1937 .name = "atomic",
1938 .lname = "Atomic I/O",
1939 .type = FIO_OPT_BOOL,
1940 .off1 = td_var_offset(oatomic),
1941 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
1942 .def = "0",
1943 .category = FIO_OPT_C_IO,
1944 .group = FIO_OPT_G_IO_TYPE,
1945 },
1946 {
1947 .name = "buffered",
1948 .lname = "Buffered I/O",
1949 .type = FIO_OPT_BOOL,
1950 .off1 = td_var_offset(odirect),
1951 .neg = 1,
1952 .help = "Use buffered IO (negates direct)",
1953 .def = "1",
1954 .inverse = "direct",
1955 .category = FIO_OPT_C_IO,
1956 .group = FIO_OPT_G_IO_TYPE,
1957 },
1958 {
1959 .name = "overwrite",
1960 .lname = "Overwrite",
1961 .type = FIO_OPT_BOOL,
1962 .off1 = td_var_offset(overwrite),
1963 .help = "When writing, set whether to overwrite current data",
1964 .def = "0",
1965 .category = FIO_OPT_C_FILE,
1966 .group = FIO_OPT_G_INVALID,
1967 },
1968 {
1969 .name = "loops",
1970 .lname = "Loops",
1971 .type = FIO_OPT_INT,
1972 .off1 = td_var_offset(loops),
1973 .help = "Number of times to run the job",
1974 .def = "1",
1975 .interval = 1,
1976 .category = FIO_OPT_C_GENERAL,
1977 .group = FIO_OPT_G_RUNTIME,
1978 },
1979 {
1980 .name = "numjobs",
1981 .lname = "Number of jobs",
1982 .type = FIO_OPT_INT,
1983 .off1 = td_var_offset(numjobs),
1984 .help = "Duplicate this job this many times",
1985 .def = "1",
1986 .interval = 1,
1987 .category = FIO_OPT_C_GENERAL,
1988 .group = FIO_OPT_G_RUNTIME,
1989 },
1990 {
1991 .name = "startdelay",
1992 .lname = "Start delay",
1993 .type = FIO_OPT_STR_VAL_TIME,
1994 .off1 = td_var_offset(start_delay),
1995 .help = "Only start job when this period has passed",
1996 .def = "0",
1997 .category = FIO_OPT_C_GENERAL,
1998 .group = FIO_OPT_G_RUNTIME,
1999 },
2000 {
2001 .name = "runtime",
2002 .lname = "Runtime",
2003 .alias = "timeout",
2004 .type = FIO_OPT_STR_VAL_TIME,
2005 .off1 = td_var_offset(timeout),
2006 .help = "Stop workload when this amount of time has passed",
2007 .def = "0",
2008 .category = FIO_OPT_C_GENERAL,
2009 .group = FIO_OPT_G_RUNTIME,
2010 },
2011 {
2012 .name = "time_based",
2013 .lname = "Time based",
2014 .type = FIO_OPT_STR_SET,
2015 .off1 = td_var_offset(time_based),
2016 .help = "Keep running until runtime/timeout is met",
2017 .category = FIO_OPT_C_GENERAL,
2018 .group = FIO_OPT_G_RUNTIME,
2019 },
2020 {
2021 .name = "verify_only",
2022 .lname = "Verify only",
2023 .type = FIO_OPT_STR_SET,
2024 .off1 = td_var_offset(verify_only),
2025 .help = "Verifies previously written data is still valid",
2026 .category = FIO_OPT_C_GENERAL,
2027 .group = FIO_OPT_G_RUNTIME,
2028 },
2029 {
2030 .name = "ramp_time",
2031 .lname = "Ramp time",
2032 .type = FIO_OPT_STR_VAL_TIME,
2033 .off1 = td_var_offset(ramp_time),
2034 .help = "Ramp up time before measuring performance",
2035 .category = FIO_OPT_C_GENERAL,
2036 .group = FIO_OPT_G_RUNTIME,
2037 },
2038 {
2039 .name = "clocksource",
2040 .lname = "Clock source",
2041 .type = FIO_OPT_STR,
2042 .cb = fio_clock_source_cb,
2043 .off1 = td_var_offset(clocksource),
2044 .help = "What type of timing source to use",
2045 .category = FIO_OPT_C_GENERAL,
2046 .group = FIO_OPT_G_CLOCK,
2047 .posval = {
2048#ifdef CONFIG_GETTIMEOFDAY
2049 { .ival = "gettimeofday",
2050 .oval = CS_GTOD,
2051 .help = "Use gettimeofday(2) for timing",
2052 },
2053#endif
2054#ifdef CONFIG_CLOCK_GETTIME
2055 { .ival = "clock_gettime",
2056 .oval = CS_CGETTIME,
2057 .help = "Use clock_gettime(2) for timing",
2058 },
2059#endif
2060#ifdef ARCH_HAVE_CPU_CLOCK
2061 { .ival = "cpu",
2062 .oval = CS_CPUCLOCK,
2063 .help = "Use CPU private clock",
2064 },
2065#endif
2066 },
2067 },
2068 {
2069 .name = "mem",
2070 .alias = "iomem",
2071 .lname = "I/O Memory",
2072 .type = FIO_OPT_STR,
2073 .cb = str_mem_cb,
2074 .off1 = td_var_offset(mem_type),
2075 .help = "Backing type for IO buffers",
2076 .def = "malloc",
2077 .category = FIO_OPT_C_IO,
2078 .group = FIO_OPT_G_INVALID,
2079 .posval = {
2080 { .ival = "malloc",
2081 .oval = MEM_MALLOC,
2082 .help = "Use malloc(3) for IO buffers",
2083 },
2084 { .ival = "shm",
2085 .oval = MEM_SHM,
2086 .help = "Use shared memory segments for IO buffers",
2087 },
2088#ifdef FIO_HAVE_HUGETLB
2089 { .ival = "shmhuge",
2090 .oval = MEM_SHMHUGE,
2091 .help = "Like shm, but use huge pages",
2092 },
2093#endif
2094 { .ival = "mmap",
2095 .oval = MEM_MMAP,
2096 .help = "Use mmap(2) (file or anon) for IO buffers",
2097 },
2098#ifdef FIO_HAVE_HUGETLB
2099 { .ival = "mmaphuge",
2100 .oval = MEM_MMAPHUGE,
2101 .help = "Like mmap, but use huge pages",
2102 },
2103#endif
2104 },
2105 },
2106 {
2107 .name = "iomem_align",
2108 .alias = "mem_align",
2109 .lname = "I/O memory alignment",
2110 .type = FIO_OPT_INT,
2111 .off1 = td_var_offset(mem_align),
2112 .minval = 0,
2113 .help = "IO memory buffer offset alignment",
2114 .def = "0",
2115 .parent = "iomem",
2116 .hide = 1,
2117 .category = FIO_OPT_C_IO,
2118 .group = FIO_OPT_G_INVALID,
2119 },
2120 {
2121 .name = "verify",
2122 .lname = "Verify",
2123 .type = FIO_OPT_STR,
2124 .off1 = td_var_offset(verify),
2125 .help = "Verify data written",
2126 .def = "0",
2127 .category = FIO_OPT_C_IO,
2128 .group = FIO_OPT_G_VERIFY,
2129 .posval = {
2130 { .ival = "0",
2131 .oval = VERIFY_NONE,
2132 .help = "Don't do IO verification",
2133 },
2134 { .ival = "md5",
2135 .oval = VERIFY_MD5,
2136 .help = "Use md5 checksums for verification",
2137 },
2138 { .ival = "crc64",
2139 .oval = VERIFY_CRC64,
2140 .help = "Use crc64 checksums for verification",
2141 },
2142 { .ival = "crc32",
2143 .oval = VERIFY_CRC32,
2144 .help = "Use crc32 checksums for verification",
2145 },
2146 { .ival = "crc32c-intel",
2147 .oval = VERIFY_CRC32C,
2148 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2149 },
2150 { .ival = "crc32c",
2151 .oval = VERIFY_CRC32C,
2152 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2153 },
2154 { .ival = "crc16",
2155 .oval = VERIFY_CRC16,
2156 .help = "Use crc16 checksums for verification",
2157 },
2158 { .ival = "crc7",
2159 .oval = VERIFY_CRC7,
2160 .help = "Use crc7 checksums for verification",
2161 },
2162 { .ival = "sha1",
2163 .oval = VERIFY_SHA1,
2164 .help = "Use sha1 checksums for verification",
2165 },
2166 { .ival = "sha256",
2167 .oval = VERIFY_SHA256,
2168 .help = "Use sha256 checksums for verification",
2169 },
2170 { .ival = "sha512",
2171 .oval = VERIFY_SHA512,
2172 .help = "Use sha512 checksums for verification",
2173 },
2174 { .ival = "meta",
2175 .oval = VERIFY_META,
2176 .help = "Use io information",
2177 },
2178 {
2179 .ival = "null",
2180 .oval = VERIFY_NULL,
2181 .help = "Pretend to verify",
2182 },
2183 },
2184 },
2185 {
2186 .name = "do_verify",
2187 .lname = "Perform verify step",
2188 .type = FIO_OPT_BOOL,
2189 .off1 = td_var_offset(do_verify),
2190 .help = "Run verification stage after write",
2191 .def = "1",
2192 .parent = "verify",
2193 .hide = 1,
2194 .category = FIO_OPT_C_IO,
2195 .group = FIO_OPT_G_VERIFY,
2196 },
2197 {
2198 .name = "verifysort",
2199 .lname = "Verify sort",
2200 .type = FIO_OPT_BOOL,
2201 .off1 = td_var_offset(verifysort),
2202 .help = "Sort written verify blocks for read back",
2203 .def = "1",
2204 .parent = "verify",
2205 .hide = 1,
2206 .category = FIO_OPT_C_IO,
2207 .group = FIO_OPT_G_VERIFY,
2208 },
2209 {
2210 .name = "verifysort_nr",
2211 .type = FIO_OPT_INT,
2212 .off1 = td_var_offset(verifysort_nr),
2213 .help = "Pre-load and sort verify blocks for a read workload",
2214 .minval = 0,
2215 .maxval = 131072,
2216 .def = "1024",
2217 .parent = "verify",
2218 .category = FIO_OPT_C_IO,
2219 .group = FIO_OPT_G_VERIFY,
2220 },
2221 {
2222 .name = "verify_interval",
2223 .lname = "Verify interval",
2224 .type = FIO_OPT_INT,
2225 .off1 = td_var_offset(verify_interval),
2226 .minval = 2 * sizeof(struct verify_header),
2227 .help = "Store verify buffer header every N bytes",
2228 .parent = "verify",
2229 .hide = 1,
2230 .interval = 2 * sizeof(struct verify_header),
2231 .category = FIO_OPT_C_IO,
2232 .group = FIO_OPT_G_VERIFY,
2233 },
2234 {
2235 .name = "verify_offset",
2236 .lname = "Verify offset",
2237 .type = FIO_OPT_INT,
2238 .help = "Offset verify header location by N bytes",
2239 .off1 = td_var_offset(verify_offset),
2240 .minval = sizeof(struct verify_header),
2241 .parent = "verify",
2242 .hide = 1,
2243 .category = FIO_OPT_C_IO,
2244 .group = FIO_OPT_G_VERIFY,
2245 },
2246 {
2247 .name = "verify_pattern",
2248 .lname = "Verify pattern",
2249 .type = FIO_OPT_STR,
2250 .cb = str_verify_pattern_cb,
2251 .help = "Fill pattern for IO buffers",
2252 .parent = "verify",
2253 .hide = 1,
2254 .category = FIO_OPT_C_IO,
2255 .group = FIO_OPT_G_VERIFY,
2256 },
2257 {
2258 .name = "verify_fatal",
2259 .lname = "Verify fatal",
2260 .type = FIO_OPT_BOOL,
2261 .off1 = td_var_offset(verify_fatal),
2262 .def = "0",
2263 .help = "Exit on a single verify failure, don't continue",
2264 .parent = "verify",
2265 .hide = 1,
2266 .category = FIO_OPT_C_IO,
2267 .group = FIO_OPT_G_VERIFY,
2268 },
2269 {
2270 .name = "verify_dump",
2271 .lname = "Verify dump",
2272 .type = FIO_OPT_BOOL,
2273 .off1 = td_var_offset(verify_dump),
2274 .def = "0",
2275 .help = "Dump contents of good and bad blocks on failure",
2276 .parent = "verify",
2277 .hide = 1,
2278 .category = FIO_OPT_C_IO,
2279 .group = FIO_OPT_G_VERIFY,
2280 },
2281 {
2282 .name = "verify_async",
2283 .lname = "Verify asynchronously",
2284 .type = FIO_OPT_INT,
2285 .off1 = td_var_offset(verify_async),
2286 .def = "0",
2287 .help = "Number of async verifier threads to use",
2288 .parent = "verify",
2289 .hide = 1,
2290 .category = FIO_OPT_C_IO,
2291 .group = FIO_OPT_G_VERIFY,
2292 },
2293 {
2294 .name = "verify_backlog",
2295 .lname = "Verify backlog",
2296 .type = FIO_OPT_STR_VAL,
2297 .off1 = td_var_offset(verify_backlog),
2298 .help = "Verify after this number of blocks are written",
2299 .parent = "verify",
2300 .hide = 1,
2301 .category = FIO_OPT_C_IO,
2302 .group = FIO_OPT_G_VERIFY,
2303 },
2304 {
2305 .name = "verify_backlog_batch",
2306 .lname = "Verify backlog batch",
2307 .type = FIO_OPT_INT,
2308 .off1 = td_var_offset(verify_batch),
2309 .help = "Verify this number of IO blocks",
2310 .parent = "verify",
2311 .hide = 1,
2312 .category = FIO_OPT_C_IO,
2313 .group = FIO_OPT_G_VERIFY,
2314 },
2315#ifdef FIO_HAVE_CPU_AFFINITY
2316 {
2317 .name = "verify_async_cpus",
2318 .lname = "Async verify CPUs",
2319 .type = FIO_OPT_STR,
2320 .cb = str_verify_cpus_allowed_cb,
2321 .help = "Set CPUs allowed for async verify threads",
2322 .parent = "verify_async",
2323 .hide = 1,
2324 .category = FIO_OPT_C_IO,
2325 .group = FIO_OPT_G_VERIFY,
2326 },
2327#endif
2328 {
2329 .name = "experimental_verify",
2330 .off1 = td_var_offset(experimental_verify),
2331 .type = FIO_OPT_BOOL,
2332 .help = "Enable experimental verification",
2333 .category = FIO_OPT_C_IO,
2334 .group = FIO_OPT_G_VERIFY,
2335 },
2336#ifdef FIO_HAVE_TRIM
2337 {
2338 .name = "trim_percentage",
2339 .lname = "Trim percentage",
2340 .type = FIO_OPT_INT,
2341 .off1 = td_var_offset(trim_percentage),
2342 .minval = 0,
2343 .maxval = 100,
2344 .help = "Number of verify blocks to discard/trim",
2345 .parent = "verify",
2346 .def = "0",
2347 .interval = 1,
2348 .hide = 1,
2349 .category = FIO_OPT_C_IO,
2350 .group = FIO_OPT_G_TRIM,
2351 },
2352 {
2353 .name = "trim_verify_zero",
2354 .lname = "Verify trim zero",
2355 .type = FIO_OPT_BOOL,
2356 .help = "Verify that trim/discarded blocks are returned as zeroes",
2357 .off1 = td_var_offset(trim_zero),
2358 .parent = "trim_percentage",
2359 .hide = 1,
2360 .def = "1",
2361 .category = FIO_OPT_C_IO,
2362 .group = FIO_OPT_G_TRIM,
2363 },
2364 {
2365 .name = "trim_backlog",
2366 .lname = "Trim backlog",
2367 .type = FIO_OPT_STR_VAL,
2368 .off1 = td_var_offset(trim_backlog),
2369 .help = "Trim after this number of blocks are written",
2370 .parent = "trim_percentage",
2371 .hide = 1,
2372 .interval = 1,
2373 .category = FIO_OPT_C_IO,
2374 .group = FIO_OPT_G_TRIM,
2375 },
2376 {
2377 .name = "trim_backlog_batch",
2378 .lname = "Trim backlog batch",
2379 .type = FIO_OPT_INT,
2380 .off1 = td_var_offset(trim_batch),
2381 .help = "Trim this number of IO blocks",
2382 .parent = "trim_percentage",
2383 .hide = 1,
2384 .interval = 1,
2385 .category = FIO_OPT_C_IO,
2386 .group = FIO_OPT_G_TRIM,
2387 },
2388#endif
2389 {
2390 .name = "write_iolog",
2391 .lname = "Write I/O log",
2392 .type = FIO_OPT_STR_STORE,
2393 .off1 = td_var_offset(write_iolog_file),
2394 .help = "Store IO pattern to file",
2395 .category = FIO_OPT_C_IO,
2396 .group = FIO_OPT_G_IOLOG,
2397 },
2398 {
2399 .name = "read_iolog",
2400 .lname = "Read I/O log",
2401 .type = FIO_OPT_STR_STORE,
2402 .off1 = td_var_offset(read_iolog_file),
2403 .help = "Playback IO pattern from file",
2404 .category = FIO_OPT_C_IO,
2405 .group = FIO_OPT_G_IOLOG,
2406 },
2407 {
2408 .name = "replay_no_stall",
2409 .lname = "Don't stall on replay",
2410 .type = FIO_OPT_BOOL,
2411 .off1 = td_var_offset(no_stall),
2412 .def = "0",
2413 .parent = "read_iolog",
2414 .hide = 1,
2415 .help = "Playback IO pattern file as fast as possible without stalls",
2416 .category = FIO_OPT_C_IO,
2417 .group = FIO_OPT_G_IOLOG,
2418 },
2419 {
2420 .name = "replay_redirect",
2421 .lname = "Redirect device for replay",
2422 .type = FIO_OPT_STR_STORE,
2423 .off1 = td_var_offset(replay_redirect),
2424 .parent = "read_iolog",
2425 .hide = 1,
2426 .help = "Replay all I/O onto this device, regardless of trace device",
2427 .category = FIO_OPT_C_IO,
2428 .group = FIO_OPT_G_IOLOG,
2429 },
2430 {
2431 .name = "exec_prerun",
2432 .lname = "Pre-execute runnable",
2433 .type = FIO_OPT_STR_STORE,
2434 .off1 = td_var_offset(exec_prerun),
2435 .help = "Execute this file prior to running job",
2436 .category = FIO_OPT_C_GENERAL,
2437 .group = FIO_OPT_G_INVALID,
2438 },
2439 {
2440 .name = "exec_postrun",
2441 .lname = "Post-execute runnable",
2442 .type = FIO_OPT_STR_STORE,
2443 .off1 = td_var_offset(exec_postrun),
2444 .help = "Execute this file after running job",
2445 .category = FIO_OPT_C_GENERAL,
2446 .group = FIO_OPT_G_INVALID,
2447 },
2448#ifdef FIO_HAVE_IOSCHED_SWITCH
2449 {
2450 .name = "ioscheduler",
2451 .lname = "I/O scheduler",
2452 .type = FIO_OPT_STR_STORE,
2453 .off1 = td_var_offset(ioscheduler),
2454 .help = "Use this IO scheduler on the backing device",
2455 .category = FIO_OPT_C_FILE,
2456 .group = FIO_OPT_G_INVALID,
2457 },
2458#endif
2459 {
2460 .name = "zonesize",
2461 .lname = "Zone size",
2462 .type = FIO_OPT_STR_VAL,
2463 .off1 = td_var_offset(zone_size),
2464 .help = "Amount of data to read per zone",
2465 .def = "0",
2466 .interval = 1024 * 1024,
2467 .category = FIO_OPT_C_IO,
2468 .group = FIO_OPT_G_ZONE,
2469 },
2470 {
2471 .name = "zonerange",
2472 .lname = "Zone range",
2473 .type = FIO_OPT_STR_VAL,
2474 .off1 = td_var_offset(zone_range),
2475 .help = "Give size of an IO zone",
2476 .def = "0",
2477 .interval = 1024 * 1024,
2478 .category = FIO_OPT_C_IO,
2479 .group = FIO_OPT_G_ZONE,
2480 },
2481 {
2482 .name = "zoneskip",
2483 .lname = "Zone skip",
2484 .type = FIO_OPT_STR_VAL,
2485 .off1 = td_var_offset(zone_skip),
2486 .help = "Space between IO zones",
2487 .def = "0",
2488 .interval = 1024 * 1024,
2489 .category = FIO_OPT_C_IO,
2490 .group = FIO_OPT_G_ZONE,
2491 },
2492 {
2493 .name = "lockmem",
2494 .lname = "Lock memory",
2495 .type = FIO_OPT_STR_VAL,
2496 .off1 = td_var_offset(lockmem),
2497 .help = "Lock down this amount of memory (per worker)",
2498 .def = "0",
2499 .interval = 1024 * 1024,
2500 .category = FIO_OPT_C_GENERAL,
2501 .group = FIO_OPT_G_INVALID,
2502 },
2503 {
2504 .name = "rwmixread",
2505 .lname = "Read/write mix read",
2506 .type = FIO_OPT_INT,
2507 .cb = str_rwmix_read_cb,
2508 .maxval = 100,
2509 .help = "Percentage of mixed workload that is reads",
2510 .def = "50",
2511 .interval = 5,
2512 .inverse = "rwmixwrite",
2513 .category = FIO_OPT_C_IO,
2514 .group = FIO_OPT_G_RWMIX,
2515 },
2516 {
2517 .name = "rwmixwrite",
2518 .lname = "Read/write mix write",
2519 .type = FIO_OPT_INT,
2520 .cb = str_rwmix_write_cb,
2521 .maxval = 100,
2522 .help = "Percentage of mixed workload that is writes",
2523 .def = "50",
2524 .interval = 5,
2525 .inverse = "rwmixread",
2526 .category = FIO_OPT_C_IO,
2527 .group = FIO_OPT_G_RWMIX,
2528 },
2529 {
2530 .name = "rwmixcycle",
2531 .lname = "Read/write mix cycle",
2532 .type = FIO_OPT_DEPRECATED,
2533 .category = FIO_OPT_C_IO,
2534 .group = FIO_OPT_G_RWMIX,
2535 },
2536 {
2537 .name = "nice",
2538 .lname = "Nice",
2539 .type = FIO_OPT_INT,
2540 .off1 = td_var_offset(nice),
2541 .help = "Set job CPU nice value",
2542 .minval = -19,
2543 .maxval = 20,
2544 .def = "0",
2545 .interval = 1,
2546 .category = FIO_OPT_C_GENERAL,
2547 .group = FIO_OPT_G_CRED,
2548 },
2549#ifdef FIO_HAVE_IOPRIO
2550 {
2551 .name = "prio",
2552 .lname = "I/O nice priority",
2553 .type = FIO_OPT_INT,
2554 .off1 = td_var_offset(ioprio),
2555 .help = "Set job IO priority value",
2556 .minval = 0,
2557 .maxval = 7,
2558 .interval = 1,
2559 .category = FIO_OPT_C_GENERAL,
2560 .group = FIO_OPT_G_CRED,
2561 },
2562 {
2563 .name = "prioclass",
2564 .lname = "I/O nice priority class",
2565 .type = FIO_OPT_INT,
2566 .off1 = td_var_offset(ioprio_class),
2567 .help = "Set job IO priority class",
2568 .minval = 0,
2569 .maxval = 3,
2570 .interval = 1,
2571 .category = FIO_OPT_C_GENERAL,
2572 .group = FIO_OPT_G_CRED,
2573 },
2574#endif
2575 {
2576 .name = "thinktime",
2577 .lname = "Thinktime",
2578 .type = FIO_OPT_INT,
2579 .off1 = td_var_offset(thinktime),
2580 .help = "Idle time between IO buffers (usec)",
2581 .def = "0",
2582 .category = FIO_OPT_C_IO,
2583 .group = FIO_OPT_G_THINKTIME,
2584 },
2585 {
2586 .name = "thinktime_spin",
2587 .lname = "Thinktime spin",
2588 .type = FIO_OPT_INT,
2589 .off1 = td_var_offset(thinktime_spin),
2590 .help = "Start think time by spinning this amount (usec)",
2591 .def = "0",
2592 .parent = "thinktime",
2593 .hide = 1,
2594 .category = FIO_OPT_C_IO,
2595 .group = FIO_OPT_G_THINKTIME,
2596 },
2597 {
2598 .name = "thinktime_blocks",
2599 .lname = "Thinktime blocks",
2600 .type = FIO_OPT_INT,
2601 .off1 = td_var_offset(thinktime_blocks),
2602 .help = "IO buffer period between 'thinktime'",
2603 .def = "1",
2604 .parent = "thinktime",
2605 .hide = 1,
2606 .category = FIO_OPT_C_IO,
2607 .group = FIO_OPT_G_THINKTIME,
2608 },
2609 {
2610 .name = "rate",
2611 .lname = "I/O rate",
2612 .type = FIO_OPT_INT,
2613 .off1 = td_var_offset(rate[DDIR_READ]),
2614 .off2 = td_var_offset(rate[DDIR_WRITE]),
2615 .off3 = td_var_offset(rate[DDIR_TRIM]),
2616 .help = "Set bandwidth rate",
2617 .category = FIO_OPT_C_IO,
2618 .group = FIO_OPT_G_RATE,
2619 },
2620 {
2621 .name = "ratemin",
2622 .lname = "I/O min rate",
2623 .type = FIO_OPT_INT,
2624 .off1 = td_var_offset(ratemin[DDIR_READ]),
2625 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2626 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
2627 .help = "Job must meet this rate or it will be shutdown",
2628 .parent = "rate",
2629 .hide = 1,
2630 .category = FIO_OPT_C_IO,
2631 .group = FIO_OPT_G_RATE,
2632 },
2633 {
2634 .name = "rate_iops",
2635 .lname = "I/O rate IOPS",
2636 .type = FIO_OPT_INT,
2637 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2638 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2639 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
2640 .help = "Limit IO used to this number of IO operations/sec",
2641 .hide = 1,
2642 .category = FIO_OPT_C_IO,
2643 .group = FIO_OPT_G_RATE,
2644 },
2645 {
2646 .name = "rate_iops_min",
2647 .lname = "I/O min rate IOPS",
2648 .type = FIO_OPT_INT,
2649 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2650 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2651 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
2652 .help = "Job must meet this rate or it will be shut down",
2653 .parent = "rate_iops",
2654 .hide = 1,
2655 .category = FIO_OPT_C_IO,
2656 .group = FIO_OPT_G_RATE,
2657 },
2658 {
2659 .name = "ratecycle",
2660 .lname = "I/O rate cycle",
2661 .type = FIO_OPT_INT,
2662 .off1 = td_var_offset(ratecycle),
2663 .help = "Window average for rate limits (msec)",
2664 .def = "1000",
2665 .parent = "rate",
2666 .hide = 1,
2667 .category = FIO_OPT_C_IO,
2668 .group = FIO_OPT_G_RATE,
2669 },
2670 {
2671 .name = "max_latency",
2672 .type = FIO_OPT_INT,
2673 .off1 = td_var_offset(max_latency),
2674 .help = "Maximum tolerated IO latency (usec)",
2675 .category = FIO_OPT_C_IO,
2676 .group = FIO_OPT_G_LATPROF,
2677 },
2678 {
2679 .name = "latency_target",
2680 .lname = "Latency Target (usec)",
2681 .type = FIO_OPT_STR_VAL_TIME,
2682 .off1 = td_var_offset(latency_target),
2683 .help = "Ramp to max queue depth supporting this latency",
2684 .category = FIO_OPT_C_IO,
2685 .group = FIO_OPT_G_LATPROF,
2686 },
2687 {
2688 .name = "latency_window",
2689 .lname = "Latency Window (usec)",
2690 .type = FIO_OPT_STR_VAL_TIME,
2691 .off1 = td_var_offset(latency_window),
2692 .help = "Time to sustain latency_target",
2693 .category = FIO_OPT_C_IO,
2694 .group = FIO_OPT_G_LATPROF,
2695 },
2696 {
2697 .name = "latency_percentile",
2698 .lname = "Latency Percentile",
2699 .type = FIO_OPT_FLOAT_LIST,
2700 .off1 = td_var_offset(latency_percentile),
2701 .help = "Percentile of IOs must be below latency_target",
2702 .def = "100",
2703 .maxlen = 1,
2704 .minfp = 0.0,
2705 .maxfp = 100.0,
2706 .category = FIO_OPT_C_IO,
2707 .group = FIO_OPT_G_LATPROF,
2708 },
2709 {
2710 .name = "invalidate",
2711 .lname = "Cache invalidate",
2712 .type = FIO_OPT_BOOL,
2713 .off1 = td_var_offset(invalidate_cache),
2714 .help = "Invalidate buffer/page cache prior to running job",
2715 .def = "1",
2716 .category = FIO_OPT_C_IO,
2717 .group = FIO_OPT_G_IO_TYPE,
2718 },
2719 {
2720 .name = "sync",
2721 .lname = "Synchronous I/O",
2722 .type = FIO_OPT_BOOL,
2723 .off1 = td_var_offset(sync_io),
2724 .help = "Use O_SYNC for buffered writes",
2725 .def = "0",
2726 .parent = "buffered",
2727 .hide = 1,
2728 .category = FIO_OPT_C_IO,
2729 .group = FIO_OPT_G_IO_TYPE,
2730 },
2731 {
2732 .name = "create_serialize",
2733 .lname = "Create serialize",
2734 .type = FIO_OPT_BOOL,
2735 .off1 = td_var_offset(create_serialize),
2736 .help = "Serialize creating of job files",
2737 .def = "1",
2738 .category = FIO_OPT_C_FILE,
2739 .group = FIO_OPT_G_INVALID,
2740 },
2741 {
2742 .name = "create_fsync",
2743 .lname = "Create fsync",
2744 .type = FIO_OPT_BOOL,
2745 .off1 = td_var_offset(create_fsync),
2746 .help = "fsync file after creation",
2747 .def = "1",
2748 .category = FIO_OPT_C_FILE,
2749 .group = FIO_OPT_G_INVALID,
2750 },
2751 {
2752 .name = "create_on_open",
2753 .lname = "Create on open",
2754 .type = FIO_OPT_BOOL,
2755 .off1 = td_var_offset(create_on_open),
2756 .help = "Create files when they are opened for IO",
2757 .def = "0",
2758 .category = FIO_OPT_C_FILE,
2759 .group = FIO_OPT_G_INVALID,
2760 },
2761 {
2762 .name = "create_only",
2763 .type = FIO_OPT_BOOL,
2764 .off1 = td_var_offset(create_only),
2765 .help = "Only perform file creation phase",
2766 .category = FIO_OPT_C_FILE,
2767 .def = "0",
2768 },
2769 {
2770 .name = "pre_read",
2771 .lname = "Pre-read files",
2772 .type = FIO_OPT_BOOL,
2773 .off1 = td_var_offset(pre_read),
2774 .help = "Pre-read files before starting official testing",
2775 .def = "0",
2776 .category = FIO_OPT_C_FILE,
2777 .group = FIO_OPT_G_INVALID,
2778 },
2779#ifdef FIO_HAVE_CPU_AFFINITY
2780 {
2781 .name = "cpumask",
2782 .lname = "CPU mask",
2783 .type = FIO_OPT_INT,
2784 .cb = str_cpumask_cb,
2785 .help = "CPU affinity mask",
2786 .category = FIO_OPT_C_GENERAL,
2787 .group = FIO_OPT_G_CRED,
2788 },
2789 {
2790 .name = "cpus_allowed",
2791 .lname = "CPUs allowed",
2792 .type = FIO_OPT_STR,
2793 .cb = str_cpus_allowed_cb,
2794 .help = "Set CPUs allowed",
2795 .category = FIO_OPT_C_GENERAL,
2796 .group = FIO_OPT_G_CRED,
2797 },
2798#endif
2799#ifdef CONFIG_LIBNUMA
2800 {
2801 .name = "numa_cpu_nodes",
2802 .type = FIO_OPT_STR,
2803 .cb = str_numa_cpunodes_cb,
2804 .help = "NUMA CPU nodes bind",
2805 .category = FIO_OPT_C_GENERAL,
2806 .group = FIO_OPT_G_INVALID,
2807 },
2808 {
2809 .name = "numa_mem_policy",
2810 .type = FIO_OPT_STR,
2811 .cb = str_numa_mpol_cb,
2812 .help = "NUMA memory policy setup",
2813 .category = FIO_OPT_C_GENERAL,
2814 .group = FIO_OPT_G_INVALID,
2815 },
2816#endif
2817 {
2818 .name = "end_fsync",
2819 .lname = "End fsync",
2820 .type = FIO_OPT_BOOL,
2821 .off1 = td_var_offset(end_fsync),
2822 .help = "Include fsync at the end of job",
2823 .def = "0",
2824 .category = FIO_OPT_C_FILE,
2825 .group = FIO_OPT_G_INVALID,
2826 },
2827 {
2828 .name = "fsync_on_close",
2829 .lname = "Fsync on close",
2830 .type = FIO_OPT_BOOL,
2831 .off1 = td_var_offset(fsync_on_close),
2832 .help = "fsync files on close",
2833 .def = "0",
2834 .category = FIO_OPT_C_FILE,
2835 .group = FIO_OPT_G_INVALID,
2836 },
2837 {
2838 .name = "unlink",
2839 .lname = "Unlink file",
2840 .type = FIO_OPT_BOOL,
2841 .off1 = td_var_offset(unlink),
2842 .help = "Unlink created files after job has completed",
2843 .def = "0",
2844 .category = FIO_OPT_C_FILE,
2845 .group = FIO_OPT_G_INVALID,
2846 },
2847 {
2848 .name = "exitall",
2849 .lname = "Exit-all on terminate",
2850 .type = FIO_OPT_STR_SET,
2851 .cb = str_exitall_cb,
2852 .help = "Terminate all jobs when one exits",
2853 .category = FIO_OPT_C_GENERAL,
2854 .group = FIO_OPT_G_PROCESS,
2855 },
2856 {
2857 .name = "stonewall",
2858 .lname = "Wait for previous",
2859 .alias = "wait_for_previous",
2860 .type = FIO_OPT_STR_SET,
2861 .off1 = td_var_offset(stonewall),
2862 .help = "Insert a hard barrier between this job and previous",
2863 .category = FIO_OPT_C_GENERAL,
2864 .group = FIO_OPT_G_PROCESS,
2865 },
2866 {
2867 .name = "new_group",
2868 .lname = "New group",
2869 .type = FIO_OPT_STR_SET,
2870 .off1 = td_var_offset(new_group),
2871 .help = "Mark the start of a new group (for reporting)",
2872 .category = FIO_OPT_C_GENERAL,
2873 .group = FIO_OPT_G_PROCESS,
2874 },
2875 {
2876 .name = "thread",
2877 .lname = "Thread",
2878 .type = FIO_OPT_STR_SET,
2879 .off1 = td_var_offset(use_thread),
2880 .help = "Use threads instead of processes",
2881 .category = FIO_OPT_C_GENERAL,
2882 .group = FIO_OPT_G_PROCESS,
2883 },
2884 {
2885 .name = "write_bw_log",
2886 .lname = "Write bandwidth log",
2887 .type = FIO_OPT_STR_STORE,
2888 .off1 = td_var_offset(bw_log_file),
2889 .help = "Write log of bandwidth during run",
2890 .category = FIO_OPT_C_LOG,
2891 .group = FIO_OPT_G_INVALID,
2892 },
2893 {
2894 .name = "write_lat_log",
2895 .lname = "Write latency log",
2896 .type = FIO_OPT_STR_STORE,
2897 .off1 = td_var_offset(lat_log_file),
2898 .help = "Write log of latency during run",
2899 .category = FIO_OPT_C_LOG,
2900 .group = FIO_OPT_G_INVALID,
2901 },
2902 {
2903 .name = "write_iops_log",
2904 .lname = "Write IOPS log",
2905 .type = FIO_OPT_STR_STORE,
2906 .off1 = td_var_offset(iops_log_file),
2907 .help = "Write log of IOPS during run",
2908 .category = FIO_OPT_C_LOG,
2909 .group = FIO_OPT_G_INVALID,
2910 },
2911 {
2912 .name = "log_avg_msec",
2913 .lname = "Log averaging (msec)",
2914 .type = FIO_OPT_INT,
2915 .off1 = td_var_offset(log_avg_msec),
2916 .help = "Average bw/iops/lat logs over this period of time",
2917 .def = "0",
2918 .category = FIO_OPT_C_LOG,
2919 .group = FIO_OPT_G_INVALID,
2920 },
2921 {
2922 .name = "bwavgtime",
2923 .lname = "Bandwidth average time",
2924 .type = FIO_OPT_INT,
2925 .off1 = td_var_offset(bw_avg_time),
2926 .help = "Time window over which to calculate bandwidth"
2927 " (msec)",
2928 .def = "500",
2929 .parent = "write_bw_log",
2930 .hide = 1,
2931 .interval = 100,
2932 .category = FIO_OPT_C_LOG,
2933 .group = FIO_OPT_G_INVALID,
2934 },
2935 {
2936 .name = "iopsavgtime",
2937 .lname = "IOPS average time",
2938 .type = FIO_OPT_INT,
2939 .off1 = td_var_offset(iops_avg_time),
2940 .help = "Time window over which to calculate IOPS (msec)",
2941 .def = "500",
2942 .parent = "write_iops_log",
2943 .hide = 1,
2944 .interval = 100,
2945 .category = FIO_OPT_C_LOG,
2946 .group = FIO_OPT_G_INVALID,
2947 },
2948 {
2949 .name = "group_reporting",
2950 .lname = "Group reporting",
2951 .type = FIO_OPT_STR_SET,
2952 .off1 = td_var_offset(group_reporting),
2953 .help = "Do reporting on a per-group basis",
2954 .category = FIO_OPT_C_STAT,
2955 .group = FIO_OPT_G_INVALID,
2956 },
2957 {
2958 .name = "zero_buffers",
2959 .lname = "Zero I/O buffers",
2960 .type = FIO_OPT_STR_SET,
2961 .off1 = td_var_offset(zero_buffers),
2962 .help = "Init IO buffers to all zeroes",
2963 .category = FIO_OPT_C_IO,
2964 .group = FIO_OPT_G_IO_BUF,
2965 },
2966 {
2967 .name = "refill_buffers",
2968 .lname = "Refill I/O buffers",
2969 .type = FIO_OPT_STR_SET,
2970 .off1 = td_var_offset(refill_buffers),
2971 .help = "Refill IO buffers on every IO submit",
2972 .category = FIO_OPT_C_IO,
2973 .group = FIO_OPT_G_IO_BUF,
2974 },
2975 {
2976 .name = "scramble_buffers",
2977 .lname = "Scramble I/O buffers",
2978 .type = FIO_OPT_BOOL,
2979 .off1 = td_var_offset(scramble_buffers),
2980 .help = "Slightly scramble buffers on every IO submit",
2981 .def = "1",
2982 .category = FIO_OPT_C_IO,
2983 .group = FIO_OPT_G_IO_BUF,
2984 },
2985 {
2986 .name = "buffer_pattern",
2987 .lname = "Buffer pattern",
2988 .type = FIO_OPT_STR,
2989 .cb = str_buffer_pattern_cb,
2990 .help = "Fill pattern for IO buffers",
2991 .category = FIO_OPT_C_IO,
2992 .group = FIO_OPT_G_IO_BUF,
2993 },
2994 {
2995 .name = "buffer_compress_percentage",
2996 .lname = "Buffer compression percentage",
2997 .type = FIO_OPT_INT,
2998 .off1 = td_var_offset(compress_percentage),
2999 .maxval = 100,
3000 .minval = 1,
3001 .help = "How compressible the buffer is (approximately)",
3002 .interval = 5,
3003 .category = FIO_OPT_C_IO,
3004 .group = FIO_OPT_G_IO_BUF,
3005 },
3006 {
3007 .name = "buffer_compress_chunk",
3008 .lname = "Buffer compression chunk size",
3009 .type = FIO_OPT_INT,
3010 .off1 = td_var_offset(compress_chunk),
3011 .parent = "buffer_compress_percentage",
3012 .hide = 1,
3013 .help = "Size of compressible region in buffer",
3014 .interval = 256,
3015 .category = FIO_OPT_C_IO,
3016 .group = FIO_OPT_G_IO_BUF,
3017 },
3018 {
3019 .name = "clat_percentiles",
3020 .lname = "Completion latency percentiles",
3021 .type = FIO_OPT_BOOL,
3022 .off1 = td_var_offset(clat_percentiles),
3023 .help = "Enable the reporting of completion latency percentiles",
3024 .def = "1",
3025 .category = FIO_OPT_C_STAT,
3026 .group = FIO_OPT_G_INVALID,
3027 },
3028 {
3029 .name = "percentile_list",
3030 .lname = "Completion latency percentile list",
3031 .type = FIO_OPT_FLOAT_LIST,
3032 .off1 = td_var_offset(percentile_list),
3033 .off2 = td_var_offset(percentile_precision),
3034 .help = "Specify a custom list of percentiles to report",
3035 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
3036 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3037 .minfp = 0.0,
3038 .maxfp = 100.0,
3039 .category = FIO_OPT_C_STAT,
3040 .group = FIO_OPT_G_INVALID,
3041 },
3042
3043#ifdef FIO_HAVE_DISK_UTIL
3044 {
3045 .name = "disk_util",
3046 .lname = "Disk utilization",
3047 .type = FIO_OPT_BOOL,
3048 .off1 = td_var_offset(do_disk_util),
3049 .help = "Log disk utilization statistics",
3050 .def = "1",
3051 .category = FIO_OPT_C_STAT,
3052 .group = FIO_OPT_G_INVALID,
3053 },
3054#endif
3055 {
3056 .name = "gtod_reduce",
3057 .lname = "Reduce gettimeofday() calls",
3058 .type = FIO_OPT_BOOL,
3059 .help = "Greatly reduce number of gettimeofday() calls",
3060 .cb = str_gtod_reduce_cb,
3061 .def = "0",
3062 .hide_on_set = 1,
3063 .category = FIO_OPT_C_STAT,
3064 .group = FIO_OPT_G_INVALID,
3065 },
3066 {
3067 .name = "disable_lat",
3068 .lname = "Disable all latency stats",
3069 .type = FIO_OPT_BOOL,
3070 .off1 = td_var_offset(disable_lat),
3071 .help = "Disable latency numbers",
3072 .parent = "gtod_reduce",
3073 .hide = 1,
3074 .def = "0",
3075 .category = FIO_OPT_C_STAT,
3076 .group = FIO_OPT_G_INVALID,
3077 },
3078 {
3079 .name = "disable_clat",
3080 .lname = "Disable completion latency stats",
3081 .type = FIO_OPT_BOOL,
3082 .off1 = td_var_offset(disable_clat),
3083 .help = "Disable completion latency numbers",
3084 .parent = "gtod_reduce",
3085 .hide = 1,
3086 .def = "0",
3087 .category = FIO_OPT_C_STAT,
3088 .group = FIO_OPT_G_INVALID,
3089 },
3090 {
3091 .name = "disable_slat",
3092 .lname = "Disable submission latency stats",
3093 .type = FIO_OPT_BOOL,
3094 .off1 = td_var_offset(disable_slat),
3095 .help = "Disable submission latency numbers",
3096 .parent = "gtod_reduce",
3097 .hide = 1,
3098 .def = "0",
3099 .category = FIO_OPT_C_STAT,
3100 .group = FIO_OPT_G_INVALID,
3101 },
3102 {
3103 .name = "disable_bw_measurement",
3104 .lname = "Disable bandwidth stats",
3105 .type = FIO_OPT_BOOL,
3106 .off1 = td_var_offset(disable_bw),
3107 .help = "Disable bandwidth logging",
3108 .parent = "gtod_reduce",
3109 .hide = 1,
3110 .def = "0",
3111 .category = FIO_OPT_C_STAT,
3112 .group = FIO_OPT_G_INVALID,
3113 },
3114 {
3115 .name = "gtod_cpu",
3116 .lname = "Dedicated gettimeofday() CPU",
3117 .type = FIO_OPT_INT,
3118 .cb = str_gtod_cpu_cb,
3119 .help = "Set up dedicated gettimeofday() thread on this CPU",
3120 .verify = gtod_cpu_verify,
3121 .category = FIO_OPT_C_GENERAL,
3122 .group = FIO_OPT_G_CLOCK,
3123 },
3124 {
3125 .name = "unified_rw_reporting",
3126 .type = FIO_OPT_BOOL,
3127 .off1 = td_var_offset(unified_rw_rep),
3128 .help = "Unify reporting across data direction",
3129 .def = "0",
3130 .category = FIO_OPT_C_GENERAL,
3131 .group = FIO_OPT_G_INVALID,
3132 },
3133 {
3134 .name = "continue_on_error",
3135 .lname = "Continue on error",
3136 .type = FIO_OPT_STR,
3137 .off1 = td_var_offset(continue_on_error),
3138 .help = "Continue on non-fatal errors during IO",
3139 .def = "none",
3140 .category = FIO_OPT_C_GENERAL,
3141 .group = FIO_OPT_G_ERR,
3142 .posval = {
3143 { .ival = "none",
3144 .oval = ERROR_TYPE_NONE,
3145 .help = "Exit when an error is encountered",
3146 },
3147 { .ival = "read",
3148 .oval = ERROR_TYPE_READ,
3149 .help = "Continue on read errors only",
3150 },
3151 { .ival = "write",
3152 .oval = ERROR_TYPE_WRITE,
3153 .help = "Continue on write errors only",
3154 },
3155 { .ival = "io",
3156 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3157 .help = "Continue on any IO errors",
3158 },
3159 { .ival = "verify",
3160 .oval = ERROR_TYPE_VERIFY,
3161 .help = "Continue on verify errors only",
3162 },
3163 { .ival = "all",
3164 .oval = ERROR_TYPE_ANY,
3165 .help = "Continue on all io and verify errors",
3166 },
3167 { .ival = "0",
3168 .oval = ERROR_TYPE_NONE,
3169 .help = "Alias for 'none'",
3170 },
3171 { .ival = "1",
3172 .oval = ERROR_TYPE_ANY,
3173 .help = "Alias for 'all'",
3174 },
3175 },
3176 },
3177 {
3178 .name = "ignore_error",
3179 .type = FIO_OPT_STR,
3180 .cb = str_ignore_error_cb,
3181 .help = "Set a specific list of errors to ignore",
3182 .parent = "rw",
3183 .category = FIO_OPT_C_GENERAL,
3184 .group = FIO_OPT_G_ERR,
3185 },
3186 {
3187 .name = "error_dump",
3188 .type = FIO_OPT_BOOL,
3189 .off1 = td_var_offset(error_dump),
3190 .def = "0",
3191 .help = "Dump info on each error",
3192 .category = FIO_OPT_C_GENERAL,
3193 .group = FIO_OPT_G_ERR,
3194 },
3195 {
3196 .name = "profile",
3197 .lname = "Profile",
3198 .type = FIO_OPT_STR_STORE,
3199 .off1 = td_var_offset(profile),
3200 .help = "Select a specific builtin performance test",
3201 .category = FIO_OPT_C_PROFILE,
3202 .group = FIO_OPT_G_INVALID,
3203 },
3204 {
3205 .name = "cgroup",
3206 .lname = "Cgroup",
3207 .type = FIO_OPT_STR_STORE,
3208 .off1 = td_var_offset(cgroup),
3209 .help = "Add job to cgroup of this name",
3210 .category = FIO_OPT_C_GENERAL,
3211 .group = FIO_OPT_G_CGROUP,
3212 },
3213 {
3214 .name = "cgroup_nodelete",
3215 .lname = "Cgroup no-delete",
3216 .type = FIO_OPT_BOOL,
3217 .off1 = td_var_offset(cgroup_nodelete),
3218 .help = "Do not delete cgroups after job completion",
3219 .def = "0",
3220 .parent = "cgroup",
3221 .category = FIO_OPT_C_GENERAL,
3222 .group = FIO_OPT_G_CGROUP,
3223 },
3224 {
3225 .name = "cgroup_weight",
3226 .lname = "Cgroup weight",
3227 .type = FIO_OPT_INT,
3228 .off1 = td_var_offset(cgroup_weight),
3229 .help = "Use given weight for cgroup",
3230 .minval = 100,
3231 .maxval = 1000,
3232 .parent = "cgroup",
3233 .category = FIO_OPT_C_GENERAL,
3234 .group = FIO_OPT_G_CGROUP,
3235 },
3236 {
3237 .name = "uid",
3238 .lname = "User ID",
3239 .type = FIO_OPT_INT,
3240 .off1 = td_var_offset(uid),
3241 .help = "Run job with this user ID",
3242 .category = FIO_OPT_C_GENERAL,
3243 .group = FIO_OPT_G_CRED,
3244 },
3245 {
3246 .name = "gid",
3247 .lname = "Group ID",
3248 .type = FIO_OPT_INT,
3249 .off1 = td_var_offset(gid),
3250 .help = "Run job with this group ID",
3251 .category = FIO_OPT_C_GENERAL,
3252 .group = FIO_OPT_G_CRED,
3253 },
3254 {
3255 .name = "kb_base",
3256 .lname = "KB Base",
3257 .type = FIO_OPT_INT,
3258 .off1 = td_var_offset(kb_base),
3259 .prio = 1,
3260 .def = "1024",
3261 .posval = {
3262 { .ival = "1024",
3263 .oval = 1024,
3264 .help = "Use 1024 as the K base",
3265 },
3266 { .ival = "1000",
3267 .oval = 1000,
3268 .help = "Use 1000 as the K base",
3269 },
3270 },
3271 .help = "How many bytes per KB for reporting (1000 or 1024)",
3272 .category = FIO_OPT_C_GENERAL,
3273 .group = FIO_OPT_G_INVALID,
3274 },
3275 {
3276 .name = "unit_base",
3277 .lname = "Base unit for reporting (Bits or Bytes)",
3278 .type = FIO_OPT_INT,
3279 .off1 = td_var_offset(unit_base),
3280 .prio = 1,
3281 .posval = {
3282 { .ival = "0",
3283 .oval = 0,
3284 .help = "Auto-detect",
3285 },
3286 { .ival = "8",
3287 .oval = 8,
3288 .help = "Normal (byte based)",
3289 },
3290 { .ival = "1",
3291 .oval = 1,
3292 .help = "Bit based",
3293 },
3294 },
3295 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3296 .category = FIO_OPT_C_GENERAL,
3297 .group = FIO_OPT_G_INVALID,
3298 },
3299 {
3300 .name = "hugepage-size",
3301 .lname = "Hugepage size",
3302 .type = FIO_OPT_INT,
3303 .off1 = td_var_offset(hugepage_size),
3304 .help = "When using hugepages, specify size of each page",
3305 .def = __fio_stringify(FIO_HUGE_PAGE),
3306 .interval = 1024 * 1024,
3307 .category = FIO_OPT_C_GENERAL,
3308 .group = FIO_OPT_G_INVALID,
3309 },
3310 {
3311 .name = "flow_id",
3312 .lname = "I/O flow ID",
3313 .type = FIO_OPT_INT,
3314 .off1 = td_var_offset(flow_id),
3315 .help = "The flow index ID to use",
3316 .def = "0",
3317 .category = FIO_OPT_C_IO,
3318 .group = FIO_OPT_G_IO_FLOW,
3319 },
3320 {
3321 .name = "flow",
3322 .lname = "I/O flow weight",
3323 .type = FIO_OPT_INT,
3324 .off1 = td_var_offset(flow),
3325 .help = "Weight for flow control of this job",
3326 .parent = "flow_id",
3327 .hide = 1,
3328 .def = "0",
3329 .category = FIO_OPT_C_IO,
3330 .group = FIO_OPT_G_IO_FLOW,
3331 },
3332 {
3333 .name = "flow_watermark",
3334 .lname = "I/O flow watermark",
3335 .type = FIO_OPT_INT,
3336 .off1 = td_var_offset(flow_watermark),
3337 .help = "High watermark for flow control. This option"
3338 " should be set to the same value for all threads"
3339 " with non-zero flow.",
3340 .parent = "flow_id",
3341 .hide = 1,
3342 .def = "1024",
3343 .category = FIO_OPT_C_IO,
3344 .group = FIO_OPT_G_IO_FLOW,
3345 },
3346 {
3347 .name = "flow_sleep",
3348 .lname = "I/O flow sleep",
3349 .type = FIO_OPT_INT,
3350 .off1 = td_var_offset(flow_sleep),
3351 .help = "How many microseconds to sleep after being held"
3352 " back by the flow control mechanism",
3353 .parent = "flow_id",
3354 .hide = 1,
3355 .def = "0",
3356 .category = FIO_OPT_C_IO,
3357 .group = FIO_OPT_G_IO_FLOW,
3358 },
3359 {
3360 .name = NULL,
3361 },
3362};
3363
3364static void add_to_lopt(struct option *lopt, struct fio_option *o,
3365 const char *name, int val)
3366{
3367 lopt->name = (char *) name;
3368 lopt->val = val;
3369 if (o->type == FIO_OPT_STR_SET)
3370 lopt->has_arg = optional_argument;
3371 else
3372 lopt->has_arg = required_argument;
3373}
3374
3375static void options_to_lopts(struct fio_option *opts,
3376 struct option *long_options,
3377 int i, int option_type)
3378{
3379 struct fio_option *o = &opts[0];
3380 while (o->name) {
3381 add_to_lopt(&long_options[i], o, o->name, option_type);
3382 if (o->alias) {
3383 i++;
3384 add_to_lopt(&long_options[i], o, o->alias, option_type);
3385 }
3386
3387 i++;
3388 o++;
3389 assert(i < FIO_NR_OPTIONS);
3390 }
3391}
3392
3393void fio_options_set_ioengine_opts(struct option *long_options,
3394 struct thread_data *td)
3395{
3396 unsigned int i;
3397
3398 i = 0;
3399 while (long_options[i].name) {
3400 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3401 memset(&long_options[i], 0, sizeof(*long_options));
3402 break;
3403 }
3404 i++;
3405 }
3406
3407 /*
3408 * Just clear out the prior ioengine options.
3409 */
3410 if (!td || !td->eo)
3411 return;
3412
3413 options_to_lopts(td->io_ops->options, long_options, i,
3414 FIO_GETOPT_IOENGINE);
3415}
3416
3417void fio_options_dup_and_init(struct option *long_options)
3418{
3419 unsigned int i;
3420
3421 options_init(fio_options);
3422
3423 i = 0;
3424 while (long_options[i].name)
3425 i++;
3426
3427 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
3428}
3429
3430struct fio_keyword {
3431 const char *word;
3432 const char *desc;
3433 char *replace;
3434};
3435
3436static struct fio_keyword fio_keywords[] = {
3437 {
3438 .word = "$pagesize",
3439 .desc = "Page size in the system",
3440 },
3441 {
3442 .word = "$mb_memory",
3443 .desc = "Megabytes of memory online",
3444 },
3445 {
3446 .word = "$ncpus",
3447 .desc = "Number of CPUs online in the system",
3448 },
3449 {
3450 .word = NULL,
3451 },
3452};
3453
3454void fio_keywords_init(void)
3455{
3456 unsigned long long mb_memory;
3457 char buf[128];
3458 long l;
3459
3460 sprintf(buf, "%lu", (unsigned long) page_size);
3461 fio_keywords[0].replace = strdup(buf);
3462
3463 mb_memory = os_phys_mem() / (1024 * 1024);
3464 sprintf(buf, "%llu", mb_memory);
3465 fio_keywords[1].replace = strdup(buf);
3466
3467 l = cpus_online();
3468 sprintf(buf, "%lu", l);
3469 fio_keywords[2].replace = strdup(buf);
3470}
3471
3472#define BC_APP "bc"
3473
3474static char *bc_calc(char *str)
3475{
3476 char buf[128], *tmp;
3477 FILE *f;
3478 int ret;
3479
3480 /*
3481 * No math, just return string
3482 */
3483 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3484 !strchr(str, '/')) || strchr(str, '\''))
3485 return str;
3486
3487 /*
3488 * Split option from value, we only need to calculate the value
3489 */
3490 tmp = strchr(str, '=');
3491 if (!tmp)
3492 return str;
3493
3494 tmp++;
3495
3496 /*
3497 * Prevent buffer overflows; such a case isn't reasonable anyway
3498 */
3499 if (strlen(str) >= 128 || strlen(tmp) > 100)
3500 return str;
3501
3502 sprintf(buf, "which %s > /dev/null", BC_APP);
3503 if (system(buf)) {
3504 log_err("fio: bc is needed for performing math\n");
3505 return NULL;
3506 }
3507
3508 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
3509 f = popen(buf, "r");
3510 if (!f)
3511 return NULL;
3512
3513 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
3514 if (ret <= 0)
3515 return NULL;
3516
3517 pclose(f);
3518 buf[(tmp - str) + ret - 1] = '\0';
3519 memcpy(buf, str, tmp - str);
3520 free(str);
3521 return strdup(buf);
3522}
3523
3524/*
3525 * Return a copy of the input string with substrings of the form ${VARNAME}
3526 * substituted with the value of the environment variable VARNAME. The
3527 * substitution always occurs, even if VARNAME is empty or the corresponding
3528 * environment variable undefined.
3529 */
3530static char *option_dup_subs(const char *opt)
3531{
3532 char out[OPT_LEN_MAX+1];
3533 char in[OPT_LEN_MAX+1];
3534 char *outptr = out;
3535 char *inptr = in;
3536 char *ch1, *ch2, *env;
3537 ssize_t nchr = OPT_LEN_MAX;
3538 size_t envlen;
3539
3540 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3541 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3542 return NULL;
3543 }
3544
3545 in[OPT_LEN_MAX] = '\0';
3546 strncpy(in, opt, OPT_LEN_MAX);
3547
3548 while (*inptr && nchr > 0) {
3549 if (inptr[0] == '$' && inptr[1] == '{') {
3550 ch2 = strchr(inptr, '}');
3551 if (ch2 && inptr+1 < ch2) {
3552 ch1 = inptr+2;
3553 inptr = ch2+1;
3554 *ch2 = '\0';
3555
3556 env = getenv(ch1);
3557 if (env) {
3558 envlen = strlen(env);
3559 if (envlen <= nchr) {
3560 memcpy(outptr, env, envlen);
3561 outptr += envlen;
3562 nchr -= envlen;
3563 }
3564 }
3565
3566 continue;
3567 }
3568 }
3569
3570 *outptr++ = *inptr++;
3571 --nchr;
3572 }
3573
3574 *outptr = '\0';
3575 return strdup(out);
3576}
3577
3578/*
3579 * Look for reserved variable names and replace them with real values
3580 */
3581static char *fio_keyword_replace(char *opt)
3582{
3583 char *s;
3584 int i;
3585 int docalc = 0;
3586
3587 for (i = 0; fio_keywords[i].word != NULL; i++) {
3588 struct fio_keyword *kw = &fio_keywords[i];
3589
3590 while ((s = strstr(opt, kw->word)) != NULL) {
3591 char *new = malloc(strlen(opt) + 1);
3592 char *o_org = opt;
3593 int olen = s - opt;
3594 int len;
3595
3596 /*
3597 * Copy part of the string before the keyword and
3598 * sprintf() the replacement after it.
3599 */
3600 memcpy(new, opt, olen);
3601 len = sprintf(new + olen, "%s", kw->replace);
3602
3603 /*
3604 * If there's more in the original string, copy that
3605 * in too
3606 */
3607 opt += strlen(kw->word) + olen;
3608 if (strlen(opt))
3609 memcpy(new + olen + len, opt, opt - o_org - 1);
3610
3611 /*
3612 * replace opt and free the old opt
3613 */
3614 opt = new;
3615 free(o_org);
3616
3617 docalc = 1;
3618 }
3619 }
3620
3621 /*
3622 * Check for potential math and invoke bc, if possible
3623 */
3624 if (docalc)
3625 opt = bc_calc(opt);
3626
3627 return opt;
3628}
3629
3630static char **dup_and_sub_options(char **opts, int num_opts)
3631{
3632 int i;
3633 char **opts_copy = malloc(num_opts * sizeof(*opts));
3634 for (i = 0; i < num_opts; i++) {
3635 opts_copy[i] = option_dup_subs(opts[i]);
3636 if (!opts_copy[i])
3637 continue;
3638 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3639 }
3640 return opts_copy;
3641}
3642
3643int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3644 int dump_cmdline)
3645{
3646 int i, ret, unknown;
3647 char **opts_copy;
3648
3649 sort_options(opts, fio_options, num_opts);
3650 opts_copy = dup_and_sub_options(opts, num_opts);
3651
3652 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3653 struct fio_option *o;
3654 int newret = parse_option(opts_copy[i], opts[i], fio_options,
3655 &o, td, dump_cmdline);
3656
3657 if (opts_copy[i]) {
3658 if (newret && !o) {
3659 unknown++;
3660 continue;
3661 }
3662 free(opts_copy[i]);
3663 opts_copy[i] = NULL;
3664 }
3665
3666 ret |= newret;
3667 }
3668
3669 if (unknown) {
3670 ret |= ioengine_load(td);
3671 if (td->eo) {
3672 sort_options(opts_copy, td->io_ops->options, num_opts);
3673 opts = opts_copy;
3674 }
3675 for (i = 0; i < num_opts; i++) {
3676 struct fio_option *o = NULL;
3677 int newret = 1;
3678 if (!opts_copy[i])
3679 continue;
3680
3681 if (td->eo)
3682 newret = parse_option(opts_copy[i], opts[i],
3683 td->io_ops->options, &o,
3684 td->eo, dump_cmdline);
3685
3686 ret |= newret;
3687 if (!o)
3688 log_err("Bad option <%s>\n", opts[i]);
3689
3690 free(opts_copy[i]);
3691 opts_copy[i] = NULL;
3692 }
3693 }
3694
3695 free(opts_copy);
3696 return ret;
3697}
3698
3699int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3700{
3701 return parse_cmd_option(opt, val, fio_options, td);
3702}
3703
3704int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3705 char *val)
3706{
3707 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
3708}
3709
3710void fio_fill_default_options(struct thread_data *td)
3711{
3712 fill_default_options(td, fio_options);
3713}
3714
3715int fio_show_option_help(const char *opt)
3716{
3717 return show_cmd_help(fio_options, opt);
3718}
3719
3720void options_mem_dupe(void *data, struct fio_option *options)
3721{
3722 struct fio_option *o;
3723 char **ptr;
3724
3725 for (o = &options[0]; o->name; o++) {
3726 if (o->type != FIO_OPT_STR_STORE)
3727 continue;
3728
3729 ptr = td_var(data, o->off1);
3730 if (*ptr)
3731 *ptr = strdup(*ptr);
3732 }
3733}
3734
3735/*
3736 * dupe FIO_OPT_STR_STORE options
3737 */
3738void fio_options_mem_dupe(struct thread_data *td)
3739{
3740 options_mem_dupe(&td->o, fio_options);
3741
3742 if (td->eo && td->io_ops) {
3743 void *oldeo = td->eo;
3744
3745 td->eo = malloc(td->io_ops->option_struct_size);
3746 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3747 options_mem_dupe(td->eo, td->io_ops->options);
3748 }
3749}
3750
3751unsigned int fio_get_kb_base(void *data)
3752{
3753 struct thread_options *o = data;
3754 unsigned int kb_base = 0;
3755
3756 if (o)
3757 kb_base = o->kb_base;
3758 if (!kb_base)
3759 kb_base = 1024;
3760
3761 return kb_base;
3762}
3763
3764int add_option(struct fio_option *o)
3765{
3766 struct fio_option *__o;
3767 int opt_index = 0;
3768
3769 __o = fio_options;
3770 while (__o->name) {
3771 opt_index++;
3772 __o++;
3773 }
3774
3775 memcpy(&fio_options[opt_index], o, sizeof(*o));
3776 return 0;
3777}
3778
3779void invalidate_profile_options(const char *prof_name)
3780{
3781 struct fio_option *o;
3782
3783 o = fio_options;
3784 while (o->name) {
3785 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
3786 o->type = FIO_OPT_INVALID;
3787 o->prof_name = NULL;
3788 }
3789 o++;
3790 }
3791}
3792
3793void add_opt_posval(const char *optname, const char *ival, const char *help)
3794{
3795 struct fio_option *o;
3796 unsigned int i;
3797
3798 o = find_option(fio_options, optname);
3799 if (!o)
3800 return;
3801
3802 for (i = 0; i < PARSE_MAX_VP; i++) {
3803 if (o->posval[i].ival)
3804 continue;
3805
3806 o->posval[i].ival = ival;
3807 o->posval[i].help = help;
3808 break;
3809 }
3810}
3811
3812void del_opt_posval(const char *optname, const char *ival)
3813{
3814 struct fio_option *o;
3815 unsigned int i;
3816
3817 o = find_option(fio_options, optname);
3818 if (!o)
3819 return;
3820
3821 for (i = 0; i < PARSE_MAX_VP; i++) {
3822 if (!o->posval[i].ival)
3823 continue;
3824 if (strcmp(o->posval[i].ival, ival))
3825 continue;
3826
3827 o->posval[i].ival = NULL;
3828 o->posval[i].help = NULL;
3829 }
3830}
3831
3832void fio_options_free(struct thread_data *td)
3833{
3834 options_free(fio_options, td);
3835 if (td->eo && td->io_ops && td->io_ops->options) {
3836 options_free(td->io_ops->options, td->eo);
3837 free(td->eo);
3838 td->eo = NULL;
3839 }
3840}
3841
3842struct fio_option *fio_option_find(const char *name)
3843{
3844 return find_option(fio_options, name);
3845}
3846
fio - Flexible IO Tester