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Unify options with gfio
[fio.git] / options.c
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
6#include <assert.h>
7#include <libgen.h>
8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
11
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_data *td, 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 td->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 == td->o.bssplit_nr[ddir]) {
88 td->o.bssplit_nr[ddir] <<= 1;
89 bssplit = realloc(bssplit, td->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, td)) {
106 log_err("fio: bssplit conversion failed\n");
107 free(td->o.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 td->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 < td->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 < td->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 td->o.min_bs[ddir] = min_bs;
155 td->o.max_bs[ddir] = max_bs;
156
157 /*
158 * now sort based on percentages, for ease of lookup
159 */
160 qsort(bssplit, td->o.bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
161 td->o.bssplit[ddir] = bssplit;
162 return 0;
163
164}
165
166static int str_bssplit_cb(void *data, const char *input)
167{
168 struct thread_data *td = data;
169 char *str, *p, *odir, *ddir;
170 int ret = 0;
171
172 p = str = strdup(input);
173
174 strip_blank_front(&str);
175 strip_blank_end(str);
176
177 odir = strchr(str, ',');
178 if (odir) {
179 ddir = strchr(odir + 1, ',');
180 if (ddir) {
181 ret = bssplit_ddir(td, DDIR_TRIM, ddir + 1);
182 if (!ret)
183 *ddir = '\0';
184 } else {
185 char *op;
186
187 op = strdup(odir + 1);
188 ret = bssplit_ddir(td, DDIR_TRIM, op);
189
190 free(op);
191 }
192 if (!ret)
193 ret = bssplit_ddir(td, DDIR_WRITE, odir + 1);
194 if (!ret) {
195 *odir = '\0';
196 ret = bssplit_ddir(td, DDIR_READ, str);
197 }
198 } else {
199 char *op;
200
201 op = strdup(str);
202 ret = bssplit_ddir(td, DDIR_WRITE, op);
203 free(op);
204
205 if (!ret) {
206 op = strdup(str);
207 ret = bssplit_ddir(td, DDIR_TRIM, op);
208 free(op);
209 }
210 ret = bssplit_ddir(td, DDIR_READ, str);
211 }
212
213 free(p);
214 return ret;
215}
216
217static int str2error(char *str)
218{
219 const char * err[] = {"EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
220 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
221 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
222 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
223 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
224 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
225 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
226 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE"};
227 int i = 0, num = sizeof(err) / sizeof(void *);
228
229 while( i < num) {
230 if (!strcmp(err[i], str))
231 return i + 1;
232 i++;
233 }
234 return 0;
235}
236
237static int ignore_error_type(struct thread_data *td, int etype, char *str)
238{
239 unsigned int i;
240 int *error;
241 char *fname;
242
243 if (etype >= ERROR_TYPE_CNT) {
244 log_err("Illegal error type\n");
245 return 1;
246 }
247
248 td->o.ignore_error_nr[etype] = 4;
249 error = malloc(4 * sizeof(struct bssplit));
250
251 i = 0;
252 while ((fname = strsep(&str, ":")) != NULL) {
253
254 if (!strlen(fname))
255 break;
256
257 /*
258 * grow struct buffer, if needed
259 */
260 if (i == td->o.ignore_error_nr[etype]) {
261 td->o.ignore_error_nr[etype] <<= 1;
262 error = realloc(error, td->o.ignore_error_nr[etype]
263 * sizeof(int));
264 }
265 if (fname[0] == 'E') {
266 error[i] = str2error(fname);
267 } else {
268 error[i] = atoi(fname);
269 if (error[i] < 0)
270 error[i] = error[i];
271 }
272 if (!error[i]) {
273 log_err("Unknown error %s, please use number value \n",
274 fname);
275 return 1;
276 }
277 i++;
278 }
279 if (i) {
280 td->o.continue_on_error |= 1 << etype;
281 td->o.ignore_error_nr[etype] = i;
282 td->o.ignore_error[etype] = error;
283 }
284 return 0;
285
286}
287
288static int str_ignore_error_cb(void *data, const char *input)
289{
290 struct thread_data *td = data;
291 char *str, *p, *n;
292 int type = 0, ret = 1;
293 p = str = strdup(input);
294
295 strip_blank_front(&str);
296 strip_blank_end(str);
297
298 while (p) {
299 n = strchr(p, ',');
300 if (n)
301 *n++ = '\0';
302 ret = ignore_error_type(td, type, p);
303 if (ret)
304 break;
305 p = n;
306 type++;
307 }
308 free(str);
309 return ret;
310}
311
312static int str_rw_cb(void *data, const char *str)
313{
314 struct thread_data *td = data;
315 char *nr = get_opt_postfix(str);
316
317 td->o.ddir_seq_nr = 1;
318 td->o.ddir_seq_add = 0;
319
320 if (!nr)
321 return 0;
322
323 if (td_random(td))
324 td->o.ddir_seq_nr = atoi(nr);
325 else {
326 long long val;
327
328 if (str_to_decimal(nr, &val, 1, td)) {
329 log_err("fio: rw postfix parsing failed\n");
330 free(nr);
331 return 1;
332 }
333
334 td->o.ddir_seq_add = val;
335 }
336
337 free(nr);
338 return 0;
339}
340
341static int str_mem_cb(void *data, const char *mem)
342{
343 struct thread_data *td = data;
344
345 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
346 td->mmapfile = get_opt_postfix(mem);
347
348 return 0;
349}
350
351static int str_verify_cb(void *data, const char *mem)
352{
353 struct thread_data *td = data;
354
355 if (td->o.verify == VERIFY_CRC32C_INTEL ||
356 td->o.verify == VERIFY_CRC32C) {
357 crc32c_intel_probe();
358 }
359
360 return 0;
361}
362
363static int fio_clock_source_cb(void *data, const char *str)
364{
365 struct thread_data *td = data;
366
367 fio_clock_source = td->o.clocksource;
368 fio_clock_source_set = 1;
369 fio_clock_init();
370 return 0;
371}
372
373static int str_rwmix_read_cb(void *data, unsigned long long *val)
374{
375 struct thread_data *td = data;
376
377 td->o.rwmix[DDIR_READ] = *val;
378 td->o.rwmix[DDIR_WRITE] = 100 - *val;
379 return 0;
380}
381
382static int str_rwmix_write_cb(void *data, unsigned long long *val)
383{
384 struct thread_data *td = data;
385
386 td->o.rwmix[DDIR_WRITE] = *val;
387 td->o.rwmix[DDIR_READ] = 100 - *val;
388 return 0;
389}
390
391#ifdef FIO_HAVE_IOPRIO
392static int str_prioclass_cb(void *data, unsigned long long *val)
393{
394 struct thread_data *td = data;
395 unsigned short mask;
396
397 /*
398 * mask off old class bits, str_prio_cb() may have set a default class
399 */
400 mask = (1 << IOPRIO_CLASS_SHIFT) - 1;
401 td->ioprio &= mask;
402
403 td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
404 td->ioprio_set = 1;
405 return 0;
406}
407
408static int str_prio_cb(void *data, unsigned long long *val)
409{
410 struct thread_data *td = data;
411
412 td->ioprio |= *val;
413
414 /*
415 * If no class is set, assume BE
416 */
417 if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0)
418 td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT;
419
420 td->ioprio_set = 1;
421 return 0;
422}
423#endif
424
425static int str_exitall_cb(void)
426{
427 exitall_on_terminate = 1;
428 return 0;
429}
430
431#ifdef FIO_HAVE_CPU_AFFINITY
432static int str_cpumask_cb(void *data, unsigned long long *val)
433{
434 struct thread_data *td = data;
435 unsigned int i;
436 long max_cpu;
437 int ret;
438
439 ret = fio_cpuset_init(&td->o.cpumask);
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 max_cpu = cpus_online();
447
448 for (i = 0; i < sizeof(int) * 8; i++) {
449 if ((1 << i) & *val) {
450 if (i > max_cpu) {
451 log_err("fio: CPU %d too large (max=%ld)\n", i,
452 max_cpu);
453 return 1;
454 }
455 dprint(FD_PARSE, "set cpu allowed %d\n", i);
456 fio_cpu_set(&td->o.cpumask, i);
457 }
458 }
459
460 td->o.cpumask_set = 1;
461 return 0;
462}
463
464static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
465 const char *input)
466{
467 char *cpu, *str, *p;
468 long max_cpu;
469 int ret = 0;
470
471 ret = fio_cpuset_init(mask);
472 if (ret < 0) {
473 log_err("fio: cpuset_init failed\n");
474 td_verror(td, ret, "fio_cpuset_init");
475 return 1;
476 }
477
478 p = str = strdup(input);
479
480 strip_blank_front(&str);
481 strip_blank_end(str);
482
483 max_cpu = cpus_online();
484
485 while ((cpu = strsep(&str, ",")) != NULL) {
486 char *str2, *cpu2;
487 int icpu, icpu2;
488
489 if (!strlen(cpu))
490 break;
491
492 str2 = cpu;
493 icpu2 = -1;
494 while ((cpu2 = strsep(&str2, "-")) != NULL) {
495 if (!strlen(cpu2))
496 break;
497
498 icpu2 = atoi(cpu2);
499 }
500
501 icpu = atoi(cpu);
502 if (icpu2 == -1)
503 icpu2 = icpu;
504 while (icpu <= icpu2) {
505 if (icpu >= FIO_MAX_CPUS) {
506 log_err("fio: your OS only supports up to"
507 " %d CPUs\n", (int) FIO_MAX_CPUS);
508 ret = 1;
509 break;
510 }
511 if (icpu > max_cpu) {
512 log_err("fio: CPU %d too large (max=%ld)\n",
513 icpu, max_cpu);
514 ret = 1;
515 break;
516 }
517
518 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
519 fio_cpu_set(mask, icpu);
520 icpu++;
521 }
522 if (ret)
523 break;
524 }
525
526 free(p);
527 if (!ret)
528 td->o.cpumask_set = 1;
529 return ret;
530}
531
532static int str_cpus_allowed_cb(void *data, const char *input)
533{
534 struct thread_data *td = data;
535 int ret;
536
537 ret = set_cpus_allowed(td, &td->o.cpumask, input);
538 if (!ret)
539 td->o.cpumask_set = 1;
540
541 return ret;
542}
543
544static int str_verify_cpus_allowed_cb(void *data, const char *input)
545{
546 struct thread_data *td = data;
547 int ret;
548
549 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
550 if (!ret)
551 td->o.verify_cpumask_set = 1;
552
553 return ret;
554}
555#endif
556
557#ifdef CONFIG_LIBNUMA
558static int str_numa_cpunodes_cb(void *data, char *input)
559{
560 struct thread_data *td = data;
561
562 /* numa_parse_nodestring() parses a character string list
563 * of nodes into a bit mask. The bit mask is allocated by
564 * numa_allocate_nodemask(), so it should be freed by
565 * numa_free_nodemask().
566 */
567 td->o.numa_cpunodesmask = numa_parse_nodestring(input);
568 if (td->o.numa_cpunodesmask == NULL) {
569 log_err("fio: numa_parse_nodestring failed\n");
570 td_verror(td, 1, "str_numa_cpunodes_cb");
571 return 1;
572 }
573
574 td->o.numa_cpumask_set = 1;
575 return 0;
576}
577
578static int str_numa_mpol_cb(void *data, char *input)
579{
580 struct thread_data *td = data;
581 const char * const policy_types[] =
582 { "default", "prefer", "bind", "interleave", "local" };
583 int i;
584
585 char *nodelist = strchr(input, ':');
586 if (nodelist) {
587 /* NUL-terminate mode */
588 *nodelist++ = '\0';
589 }
590
591 for (i = 0; i <= MPOL_LOCAL; i++) {
592 if (!strcmp(input, policy_types[i])) {
593 td->o.numa_mem_mode = i;
594 break;
595 }
596 }
597 if (i > MPOL_LOCAL) {
598 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
599 goto out;
600 }
601
602 switch (td->o.numa_mem_mode) {
603 case MPOL_PREFERRED:
604 /*
605 * Insist on a nodelist of one node only
606 */
607 if (nodelist) {
608 char *rest = nodelist;
609 while (isdigit(*rest))
610 rest++;
611 if (*rest) {
612 log_err("fio: one node only for \'prefer\'\n");
613 goto out;
614 }
615 } else {
616 log_err("fio: one node is needed for \'prefer\'\n");
617 goto out;
618 }
619 break;
620 case MPOL_INTERLEAVE:
621 /*
622 * Default to online nodes with memory if no nodelist
623 */
624 if (!nodelist)
625 nodelist = strdup("all");
626 break;
627 case MPOL_LOCAL:
628 case MPOL_DEFAULT:
629 /*
630 * Don't allow a nodelist
631 */
632 if (nodelist) {
633 log_err("fio: NO nodelist for \'local\'\n");
634 goto out;
635 }
636 break;
637 case MPOL_BIND:
638 /*
639 * Insist on a nodelist
640 */
641 if (!nodelist) {
642 log_err("fio: a nodelist is needed for \'bind\'\n");
643 goto out;
644 }
645 break;
646 }
647
648
649 /* numa_parse_nodestring() parses a character string list
650 * of nodes into a bit mask. The bit mask is allocated by
651 * numa_allocate_nodemask(), so it should be freed by
652 * numa_free_nodemask().
653 */
654 switch (td->o.numa_mem_mode) {
655 case MPOL_PREFERRED:
656 td->o.numa_mem_prefer_node = atoi(nodelist);
657 break;
658 case MPOL_INTERLEAVE:
659 case MPOL_BIND:
660 td->o.numa_memnodesmask = numa_parse_nodestring(nodelist);
661 if (td->o.numa_memnodesmask == NULL) {
662 log_err("fio: numa_parse_nodestring failed\n");
663 td_verror(td, 1, "str_numa_memnodes_cb");
664 return 1;
665 }
666 break;
667 case MPOL_LOCAL:
668 case MPOL_DEFAULT:
669 default:
670 break;
671 }
672
673 td->o.numa_memmask_set = 1;
674 return 0;
675
676out:
677 return 1;
678}
679#endif
680
681static int str_fst_cb(void *data, const char *str)
682{
683 struct thread_data *td = data;
684 char *nr = get_opt_postfix(str);
685
686 td->file_service_nr = 1;
687 if (nr) {
688 td->file_service_nr = atoi(nr);
689 free(nr);
690 }
691
692 return 0;
693}
694
695#ifdef CONFIG_SYNC_FILE_RANGE
696static int str_sfr_cb(void *data, const char *str)
697{
698 struct thread_data *td = data;
699 char *nr = get_opt_postfix(str);
700
701 td->sync_file_range_nr = 1;
702 if (nr) {
703 td->sync_file_range_nr = atoi(nr);
704 free(nr);
705 }
706
707 return 0;
708}
709#endif
710
711static int str_random_distribution_cb(void *data, const char *str)
712{
713 struct thread_data *td = data;
714 double val;
715 char *nr;
716
717 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
718 val = 1.1;
719 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
720 val = 0.2;
721 else
722 return 0;
723
724 nr = get_opt_postfix(str);
725 if (nr && !str_to_float(nr, &val)) {
726 log_err("fio: random postfix parsing failed\n");
727 free(nr);
728 return 1;
729 }
730
731 free(nr);
732
733 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
734 if (val == 1.00) {
735 log_err("fio: zipf theta must different than 1.0\n");
736 return 1;
737 }
738 td->o.zipf_theta = val;
739 } else {
740 if (val <= 0.00 || val >= 1.00) {
741 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
742 return 1;
743 }
744 td->o.pareto_h = val;
745 }
746
747 return 0;
748}
749
750static int check_dir(struct thread_data *td, char *fname)
751{
752#if 0
753 char file[PATH_MAX], *dir;
754 int elen = 0;
755
756 if (td->o.directory) {
757 strcpy(file, td->o.directory);
758 strcat(file, "/");
759 elen = strlen(file);
760 }
761
762 sprintf(file + elen, "%s", fname);
763 dir = dirname(file);
764
765 {
766 struct stat sb;
767 /*
768 * We can't do this on FIO_DISKLESSIO engines. The engine isn't loaded
769 * yet, so we can't do this check right here...
770 */
771 if (lstat(dir, &sb) < 0) {
772 int ret = errno;
773
774 log_err("fio: %s is not a directory\n", dir);
775 td_verror(td, ret, "lstat");
776 return 1;
777 }
778
779 if (!S_ISDIR(sb.st_mode)) {
780 log_err("fio: %s is not a directory\n", dir);
781 return 1;
782 }
783 }
784#endif
785
786 return 0;
787}
788
789/*
790 * Return next file in the string. Files are separated with ':'. If the ':'
791 * is escaped with a '\', then that ':' is part of the filename and does not
792 * indicate a new file.
793 */
794static char *get_next_file_name(char **ptr)
795{
796 char *str = *ptr;
797 char *p, *start;
798
799 if (!str || !strlen(str))
800 return NULL;
801
802 start = str;
803 do {
804 /*
805 * No colon, we are done
806 */
807 p = strchr(str, ':');
808 if (!p) {
809 *ptr = NULL;
810 break;
811 }
812
813 /*
814 * We got a colon, but it's the first character. Skip and
815 * continue
816 */
817 if (p == start) {
818 str = ++start;
819 continue;
820 }
821
822 if (*(p - 1) != '\\') {
823 *p = '\0';
824 *ptr = p + 1;
825 break;
826 }
827
828 memmove(p - 1, p, strlen(p) + 1);
829 str = p;
830 } while (1);
831
832 return start;
833}
834
835static int str_filename_cb(void *data, const char *input)
836{
837 struct thread_data *td = data;
838 char *fname, *str, *p;
839
840 p = str = strdup(input);
841
842 strip_blank_front(&str);
843 strip_blank_end(str);
844
845 if (!td->files_index)
846 td->o.nr_files = 0;
847
848 while ((fname = get_next_file_name(&str)) != NULL) {
849 if (!strlen(fname))
850 break;
851 if (check_dir(td, fname)) {
852 free(p);
853 return 1;
854 }
855 add_file(td, fname);
856 td->o.nr_files++;
857 }
858
859 free(p);
860 return 0;
861}
862
863static int str_directory_cb(void *data, const char fio_unused *str)
864{
865 struct thread_data *td = data;
866 struct stat sb;
867
868 if (lstat(td->o.directory, &sb) < 0) {
869 int ret = errno;
870
871 log_err("fio: %s is not a directory\n", td->o.directory);
872 td_verror(td, ret, "lstat");
873 return 1;
874 }
875 if (!S_ISDIR(sb.st_mode)) {
876 log_err("fio: %s is not a directory\n", td->o.directory);
877 return 1;
878 }
879
880 return 0;
881}
882
883static int str_opendir_cb(void *data, const char fio_unused *str)
884{
885 struct thread_data *td = data;
886
887 if (!td->files_index)
888 td->o.nr_files = 0;
889
890 return add_dir_files(td, td->o.opendir);
891}
892
893static int str_verify_offset_cb(void *data, unsigned long long *off)
894{
895 struct thread_data *td = data;
896
897 if (*off && *off < sizeof(struct verify_header)) {
898 log_err("fio: verify_offset too small\n");
899 return 1;
900 }
901
902 td->o.verify_offset = *off;
903 return 0;
904}
905
906static int str_verify_pattern_cb(void *data, const char *input)
907{
908 struct thread_data *td = data;
909 long off;
910 int i = 0, j = 0, len, k, base = 10;
911 char* loc1, * loc2;
912
913 loc1 = strstr(input, "0x");
914 loc2 = strstr(input, "0X");
915 if (loc1 || loc2)
916 base = 16;
917 off = strtol(input, NULL, base);
918 if (off != LONG_MAX || errno != ERANGE) {
919 while (off) {
920 td->o.verify_pattern[i] = off & 0xff;
921 off >>= 8;
922 i++;
923 }
924 } else {
925 len = strlen(input);
926 k = len - 1;
927 if (base == 16) {
928 if (loc1)
929 j = loc1 - input + 2;
930 else
931 j = loc2 - input + 2;
932 } else
933 return 1;
934 if (len - j < MAX_PATTERN_SIZE * 2) {
935 while (k >= j) {
936 off = converthexchartoint(input[k--]);
937 if (k >= j)
938 off += (converthexchartoint(input[k--])
939 * 16);
940 td->o.verify_pattern[i++] = (char) off;
941 }
942 }
943 }
944
945 /*
946 * Fill the pattern all the way to the end. This greatly reduces
947 * the number of memcpy's we have to do when verifying the IO.
948 */
949 while (i > 1 && i * 2 <= MAX_PATTERN_SIZE) {
950 memcpy(&td->o.verify_pattern[i], &td->o.verify_pattern[0], i);
951 i *= 2;
952 }
953 if (i == 1) {
954 /*
955 * The code in verify_io_u_pattern assumes a single byte pattern
956 * fills the whole verify pattern buffer.
957 */
958 memset(td->o.verify_pattern, td->o.verify_pattern[0],
959 MAX_PATTERN_SIZE);
960 }
961
962 td->o.verify_pattern_bytes = i;
963
964 /*
965 * VERIFY_META could already be set
966 */
967 if (td->o.verify == VERIFY_NONE)
968 td->o.verify = VERIFY_PATTERN;
969
970 return 0;
971}
972
973static int str_write_bw_log_cb(void *data, const char *str)
974{
975 struct thread_data *td = data;
976
977 if (str)
978 td->o.bw_log_file = strdup(str);
979
980 td->o.write_bw_log = 1;
981 return 0;
982}
983
984static int str_write_lat_log_cb(void *data, const char *str)
985{
986 struct thread_data *td = data;
987
988 if (str)
989 td->o.lat_log_file = strdup(str);
990
991 td->o.write_lat_log = 1;
992 return 0;
993}
994
995static int str_write_iops_log_cb(void *data, const char *str)
996{
997 struct thread_data *td = data;
998
999 if (str)
1000 td->o.iops_log_file = strdup(str);
1001
1002 td->o.write_iops_log = 1;
1003 return 0;
1004}
1005
1006static int str_gtod_reduce_cb(void *data, int *il)
1007{
1008 struct thread_data *td = data;
1009 int val = *il;
1010
1011 td->o.disable_lat = !!val;
1012 td->o.disable_clat = !!val;
1013 td->o.disable_slat = !!val;
1014 td->o.disable_bw = !!val;
1015 td->o.clat_percentiles = !val;
1016 if (val)
1017 td->tv_cache_mask = 63;
1018
1019 return 0;
1020}
1021
1022static int str_gtod_cpu_cb(void *data, long long *il)
1023{
1024 struct thread_data *td = data;
1025 int val = *il;
1026
1027 td->o.gtod_cpu = val;
1028 td->o.gtod_offload = 1;
1029 return 0;
1030}
1031
1032static int str_size_cb(void *data, unsigned long long *__val)
1033{
1034 struct thread_data *td = data;
1035 unsigned long long v = *__val;
1036
1037 if (parse_is_percent(v)) {
1038 td->o.size = 0;
1039 td->o.size_percent = -1ULL - v;
1040 } else
1041 td->o.size = v;
1042
1043 return 0;
1044}
1045
1046static int rw_verify(struct fio_option *o, void *data)
1047{
1048 struct thread_data *td = data;
1049
1050 if (read_only && td_write(td)) {
1051 log_err("fio: job <%s> has write bit set, but fio is in"
1052 " read-only mode\n", td->o.name);
1053 return 1;
1054 }
1055
1056 return 0;
1057}
1058
1059static int gtod_cpu_verify(struct fio_option *o, void *data)
1060{
1061#ifndef FIO_HAVE_CPU_AFFINITY
1062 struct thread_data *td = data;
1063
1064 if (td->o.gtod_cpu) {
1065 log_err("fio: platform must support CPU affinity for"
1066 "gettimeofday() offloading\n");
1067 return 1;
1068 }
1069#endif
1070
1071 return 0;
1072}
1073
1074/*
1075 * Option grouping
1076 */
1077static struct opt_group fio_opt_groups[] = {
1078 {
1079 .name = "General",
1080 .mask = FIO_OPT_C_GENERAL,
1081 },
1082 {
1083 .name = "I/O",
1084 .mask = FIO_OPT_C_IO,
1085 },
1086 {
1087 .name = "File",
1088 .mask = FIO_OPT_C_FILE,
1089 },
1090 {
1091 .name = "Statistics",
1092 .mask = FIO_OPT_C_STAT,
1093 },
1094 {
1095 .name = "Logging",
1096 .mask = FIO_OPT_C_LOG,
1097 },
1098 {
1099 .name = "Profiles",
1100 .mask = FIO_OPT_C_PROFILE,
1101 },
1102 {
1103 .name = NULL,
1104 },
1105};
1106
1107static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1108 unsigned int inv_mask)
1109{
1110 struct opt_group *og;
1111 int i;
1112
1113 if (*mask == inv_mask || !*mask)
1114 return NULL;
1115
1116 for (i = 0; ogs[i].name; i++) {
1117 og = &ogs[i];
1118
1119 if (*mask & og->mask) {
1120 *mask &= ~(og->mask);
1121 return og;
1122 }
1123 }
1124
1125 return NULL;
1126}
1127
1128struct opt_group *opt_group_from_mask(unsigned int *mask)
1129{
1130 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1131}
1132
1133static struct opt_group fio_opt_cat_groups[] = {
1134 {
1135 .name = "Rate",
1136 .mask = FIO_OPT_G_RATE,
1137 },
1138 {
1139 .name = "Zone",
1140 .mask = FIO_OPT_G_ZONE,
1141 },
1142 {
1143 .name = "Read/write mix",
1144 .mask = FIO_OPT_G_RWMIX,
1145 },
1146 {
1147 .name = "Verify",
1148 .mask = FIO_OPT_G_VERIFY,
1149 },
1150 {
1151 .name = "Trim",
1152 .mask = FIO_OPT_G_TRIM,
1153 },
1154 {
1155 .name = "I/O Logging",
1156 .mask = FIO_OPT_G_IOLOG,
1157 },
1158 {
1159 .name = "I/O Depth",
1160 .mask = FIO_OPT_G_IO_DEPTH,
1161 },
1162 {
1163 .name = "I/O Flow",
1164 .mask = FIO_OPT_G_IO_FLOW,
1165 },
1166 {
1167 .name = "Description",
1168 .mask = FIO_OPT_G_DESC,
1169 },
1170 {
1171 .name = "Filename",
1172 .mask = FIO_OPT_G_FILENAME,
1173 },
1174 {
1175 .name = "General I/O",
1176 .mask = FIO_OPT_G_IO_BASIC,
1177 },
1178 {
1179 .name = "Cgroups",
1180 .mask = FIO_OPT_G_CGROUP,
1181 },
1182 {
1183 .name = "Runtime",
1184 .mask = FIO_OPT_G_RUNTIME,
1185 },
1186 {
1187 .name = "Process",
1188 .mask = FIO_OPT_G_PROCESS,
1189 },
1190 {
1191 .name = "Job credentials / priority",
1192 .mask = FIO_OPT_G_CRED,
1193 },
1194 {
1195 .name = "Clock settings",
1196 .mask = FIO_OPT_G_CLOCK,
1197 },
1198 {
1199 .name = "I/O Type",
1200 .mask = FIO_OPT_G_IO_TYPE,
1201 },
1202 {
1203 .name = "I/O Thinktime",
1204 .mask = FIO_OPT_G_THINKTIME,
1205 },
1206 {
1207 .name = "Randomizations",
1208 .mask = FIO_OPT_G_RANDOM,
1209 },
1210 {
1211 .name = "I/O buffers",
1212 .mask = FIO_OPT_G_IO_BUF,
1213 },
1214 {
1215 .name = "Tiobench profile",
1216 .mask = FIO_OPT_G_TIOBENCH,
1217 },
1218
1219 {
1220 .name = NULL,
1221 }
1222};
1223
1224struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
1225{
1226 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
1227}
1228
1229/*
1230 * Map of job/command line options
1231 */
1232static struct fio_option fio_options[FIO_MAX_OPTS] = {
1233 {
1234 .name = "description",
1235 .lname = "Description of job",
1236 .type = FIO_OPT_STR_STORE,
1237 .off1 = td_var_offset(description),
1238 .help = "Text job description",
1239 .category = FIO_OPT_C_GENERAL,
1240 .group = FIO_OPT_G_DESC,
1241 },
1242 {
1243 .name = "name",
1244 .lname = "Job name",
1245 .type = FIO_OPT_STR_STORE,
1246 .off1 = td_var_offset(name),
1247 .help = "Name of this job",
1248 .category = FIO_OPT_C_GENERAL,
1249 .group = FIO_OPT_G_DESC,
1250 },
1251 {
1252 .name = "filename",
1253 .lname = "Filename(s)",
1254 .type = FIO_OPT_STR_STORE,
1255 .off1 = td_var_offset(filename),
1256 .cb = str_filename_cb,
1257 .prio = -1, /* must come after "directory" */
1258 .help = "File(s) to use for the workload",
1259 .category = FIO_OPT_C_FILE,
1260 .group = FIO_OPT_G_FILENAME,
1261 },
1262 {
1263 .name = "directory",
1264 .lname = "Directory",
1265 .type = FIO_OPT_STR_STORE,
1266 .off1 = td_var_offset(directory),
1267 .cb = str_directory_cb,
1268 .help = "Directory to store files in",
1269 .category = FIO_OPT_C_FILE,
1270 .group = FIO_OPT_G_FILENAME,
1271 },
1272 {
1273 .name = "filename_format",
1274 .type = FIO_OPT_STR_STORE,
1275 .off1 = td_var_offset(filename_format),
1276 .prio = -1, /* must come after "directory" */
1277 .help = "Override default $jobname.$jobnum.$filenum naming",
1278 .def = "$jobname.$jobnum.$filenum",
1279 .category = FIO_OPT_C_FILE,
1280 .group = FIO_OPT_G_FILENAME,
1281 },
1282 {
1283 .name = "lockfile",
1284 .lname = "Lockfile",
1285 .type = FIO_OPT_STR,
1286 .off1 = td_var_offset(file_lock_mode),
1287 .help = "Lock file when doing IO to it",
1288 .parent = "filename",
1289 .hide = 0,
1290 .def = "none",
1291 .category = FIO_OPT_C_FILE,
1292 .group = FIO_OPT_G_FILENAME,
1293 .posval = {
1294 { .ival = "none",
1295 .oval = FILE_LOCK_NONE,
1296 .help = "No file locking",
1297 },
1298 { .ival = "exclusive",
1299 .oval = FILE_LOCK_EXCLUSIVE,
1300 .help = "Exclusive file lock",
1301 },
1302 {
1303 .ival = "readwrite",
1304 .oval = FILE_LOCK_READWRITE,
1305 .help = "Read vs write lock",
1306 },
1307 },
1308 },
1309 {
1310 .name = "opendir",
1311 .lname = "Open directory",
1312 .type = FIO_OPT_STR_STORE,
1313 .off1 = td_var_offset(opendir),
1314 .cb = str_opendir_cb,
1315 .help = "Recursively add files from this directory and down",
1316 .category = FIO_OPT_C_FILE,
1317 .group = FIO_OPT_G_FILENAME,
1318 },
1319 {
1320 .name = "rw",
1321 .lname = "Read/write",
1322 .alias = "readwrite",
1323 .type = FIO_OPT_STR,
1324 .cb = str_rw_cb,
1325 .off1 = td_var_offset(td_ddir),
1326 .help = "IO direction",
1327 .def = "read",
1328 .verify = rw_verify,
1329 .category = FIO_OPT_C_IO,
1330 .group = FIO_OPT_G_IO_BASIC,
1331 .posval = {
1332 { .ival = "read",
1333 .oval = TD_DDIR_READ,
1334 .help = "Sequential read",
1335 },
1336 { .ival = "write",
1337 .oval = TD_DDIR_WRITE,
1338 .help = "Sequential write",
1339 },
1340 { .ival = "trim",
1341 .oval = TD_DDIR_TRIM,
1342 .help = "Sequential trim",
1343 },
1344 { .ival = "randread",
1345 .oval = TD_DDIR_RANDREAD,
1346 .help = "Random read",
1347 },
1348 { .ival = "randwrite",
1349 .oval = TD_DDIR_RANDWRITE,
1350 .help = "Random write",
1351 },
1352 { .ival = "randtrim",
1353 .oval = TD_DDIR_RANDTRIM,
1354 .help = "Random trim",
1355 },
1356 { .ival = "rw",
1357 .oval = TD_DDIR_RW,
1358 .help = "Sequential read and write mix",
1359 },
1360 { .ival = "readwrite",
1361 .oval = TD_DDIR_RW,
1362 .help = "Sequential read and write mix",
1363 },
1364 { .ival = "randrw",
1365 .oval = TD_DDIR_RANDRW,
1366 .help = "Random read and write mix"
1367 },
1368 },
1369 },
1370 {
1371 .name = "rw_sequencer",
1372 .lname = "RW Sequencer",
1373 .type = FIO_OPT_STR,
1374 .off1 = td_var_offset(rw_seq),
1375 .help = "IO offset generator modifier",
1376 .def = "sequential",
1377 .category = FIO_OPT_C_IO,
1378 .group = FIO_OPT_G_IO_BASIC,
1379 .posval = {
1380 { .ival = "sequential",
1381 .oval = RW_SEQ_SEQ,
1382 .help = "Generate sequential offsets",
1383 },
1384 { .ival = "identical",
1385 .oval = RW_SEQ_IDENT,
1386 .help = "Generate identical offsets",
1387 },
1388 },
1389 },
1390
1391 {
1392 .name = "ioengine",
1393 .lname = "IO Engine",
1394 .type = FIO_OPT_STR_STORE,
1395 .off1 = td_var_offset(ioengine),
1396 .help = "IO engine to use",
1397 .def = FIO_PREFERRED_ENGINE,
1398 .category = FIO_OPT_C_IO,
1399 .group = FIO_OPT_G_IO_BASIC,
1400 .posval = {
1401 { .ival = "sync",
1402 .help = "Use read/write",
1403 },
1404 { .ival = "psync",
1405 .help = "Use pread/pwrite",
1406 },
1407 { .ival = "vsync",
1408 .help = "Use readv/writev",
1409 },
1410#ifdef CONFIG_LIBAIO
1411 { .ival = "libaio",
1412 .help = "Linux native asynchronous IO",
1413 },
1414#endif
1415#ifdef CONFIG_POSIXAIO
1416 { .ival = "posixaio",
1417 .help = "POSIX asynchronous IO",
1418 },
1419#endif
1420#ifdef CONFIG_SOLARISAIO
1421 { .ival = "solarisaio",
1422 .help = "Solaris native asynchronous IO",
1423 },
1424#endif
1425#ifdef CONFIG_WINDOWSAIO
1426 { .ival = "windowsaio",
1427 .help = "Windows native asynchronous IO"
1428 },
1429#endif
1430 { .ival = "mmap",
1431 .help = "Memory mapped IO"
1432 },
1433#ifdef CONFIG_LINUX_SPLICE
1434 { .ival = "splice",
1435 .help = "splice/vmsplice based IO",
1436 },
1437 { .ival = "netsplice",
1438 .help = "splice/vmsplice to/from the network",
1439 },
1440#endif
1441#ifdef FIO_HAVE_SGIO
1442 { .ival = "sg",
1443 .help = "SCSI generic v3 IO",
1444 },
1445#endif
1446 { .ival = "null",
1447 .help = "Testing engine (no data transfer)",
1448 },
1449 { .ival = "net",
1450 .help = "Network IO",
1451 },
1452 { .ival = "cpuio",
1453 .help = "CPU cycle burner engine",
1454 },
1455#ifdef CONFIG_GUASI
1456 { .ival = "guasi",
1457 .help = "GUASI IO engine",
1458 },
1459#endif
1460#ifdef FIO_HAVE_BINJECT
1461 { .ival = "binject",
1462 .help = "binject direct inject block engine",
1463 },
1464#endif
1465#ifdef CONFIG_RDMA
1466 { .ival = "rdma",
1467 .help = "RDMA IO engine",
1468 },
1469#endif
1470#ifdef CONFIG_FUSION_AW
1471 { .ival = "fusion-aw-sync",
1472 .help = "Fusion-io atomic write engine",
1473 },
1474#endif
1475#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1476 { .ival = "e4defrag",
1477 .help = "ext4 defrag engine",
1478 },
1479#endif
1480#ifdef CONFIG_LINUX_FALLOCATE
1481 { .ival = "falloc",
1482 .help = "fallocate() file based engine",
1483 },
1484#endif
1485 { .ival = "external",
1486 .help = "Load external engine (append name)",
1487 },
1488 },
1489 },
1490 {
1491 .name = "iodepth",
1492 .lname = "IO Depth",
1493 .type = FIO_OPT_INT,
1494 .off1 = td_var_offset(iodepth),
1495 .help = "Number of IO buffers to keep in flight",
1496 .minval = 1,
1497 .interval = 1,
1498 .def = "1",
1499 .category = FIO_OPT_C_IO,
1500 .group = FIO_OPT_G_IO_BASIC,
1501 },
1502 {
1503 .name = "iodepth_batch",
1504 .lname = "IO Depth batch",
1505 .alias = "iodepth_batch_submit",
1506 .type = FIO_OPT_INT,
1507 .off1 = td_var_offset(iodepth_batch),
1508 .help = "Number of IO buffers to submit in one go",
1509 .parent = "iodepth",
1510 .hide = 1,
1511 .minval = 1,
1512 .interval = 1,
1513 .def = "1",
1514 .category = FIO_OPT_C_IO,
1515 .group = FIO_OPT_G_IO_BASIC,
1516 },
1517 {
1518 .name = "iodepth_batch_complete",
1519 .lname = "IO Depth batch complete",
1520 .type = FIO_OPT_INT,
1521 .off1 = td_var_offset(iodepth_batch_complete),
1522 .help = "Number of IO buffers to retrieve in one go",
1523 .parent = "iodepth",
1524 .hide = 1,
1525 .minval = 0,
1526 .interval = 1,
1527 .def = "1",
1528 .category = FIO_OPT_C_IO,
1529 .group = FIO_OPT_G_IO_BASIC,
1530 },
1531 {
1532 .name = "iodepth_low",
1533 .lname = "IO Depth batch low",
1534 .type = FIO_OPT_INT,
1535 .off1 = td_var_offset(iodepth_low),
1536 .help = "Low water mark for queuing depth",
1537 .parent = "iodepth",
1538 .hide = 1,
1539 .interval = 1,
1540 .category = FIO_OPT_C_IO,
1541 .group = FIO_OPT_G_IO_BASIC,
1542 },
1543 {
1544 .name = "size",
1545 .lname = "Size",
1546 .type = FIO_OPT_STR_VAL,
1547 .cb = str_size_cb,
1548 .help = "Total size of device or files",
1549 .interval = 1024 * 1024,
1550 .category = FIO_OPT_C_IO,
1551 .group = FIO_OPT_G_INVALID,
1552 },
1553 {
1554 .name = "fill_device",
1555 .lname = "Fill device",
1556 .alias = "fill_fs",
1557 .type = FIO_OPT_BOOL,
1558 .off1 = td_var_offset(fill_device),
1559 .help = "Write until an ENOSPC error occurs",
1560 .def = "0",
1561 .category = FIO_OPT_C_FILE,
1562 .group = FIO_OPT_G_INVALID,
1563 },
1564 {
1565 .name = "filesize",
1566 .lname = "File size",
1567 .type = FIO_OPT_STR_VAL,
1568 .off1 = td_var_offset(file_size_low),
1569 .off2 = td_var_offset(file_size_high),
1570 .minval = 1,
1571 .help = "Size of individual files",
1572 .interval = 1024 * 1024,
1573 .category = FIO_OPT_C_FILE,
1574 .group = FIO_OPT_G_INVALID,
1575 },
1576 {
1577 .name = "offset",
1578 .lname = "IO offset",
1579 .alias = "fileoffset",
1580 .type = FIO_OPT_STR_VAL,
1581 .off1 = td_var_offset(start_offset),
1582 .help = "Start IO from this offset",
1583 .def = "0",
1584 .interval = 1024 * 1024,
1585 .category = FIO_OPT_C_IO,
1586 .group = FIO_OPT_G_INVALID,
1587 },
1588 {
1589 .name = "offset_increment",
1590 .lname = "IO offset increment",
1591 .type = FIO_OPT_STR_VAL,
1592 .off1 = td_var_offset(offset_increment),
1593 .help = "What is the increment from one offset to the next",
1594 .parent = "offset",
1595 .hide = 1,
1596 .def = "0",
1597 .interval = 1024 * 1024,
1598 .category = FIO_OPT_C_IO,
1599 .group = FIO_OPT_G_INVALID,
1600 },
1601 {
1602 .name = "bs",
1603 .lname = "Block size",
1604 .alias = "blocksize",
1605 .type = FIO_OPT_INT,
1606 .off1 = td_var_offset(bs[DDIR_READ]),
1607 .off2 = td_var_offset(bs[DDIR_WRITE]),
1608 .off3 = td_var_offset(bs[DDIR_TRIM]),
1609 .minval = 1,
1610 .help = "Block size unit",
1611 .def = "4k",
1612 .parent = "rw",
1613 .hide = 1,
1614 .interval = 512,
1615 .category = FIO_OPT_C_IO,
1616 .group = FIO_OPT_G_INVALID,
1617 },
1618 {
1619 .name = "ba",
1620 .lname = "Block size align",
1621 .alias = "blockalign",
1622 .type = FIO_OPT_INT,
1623 .off1 = td_var_offset(ba[DDIR_READ]),
1624 .off2 = td_var_offset(ba[DDIR_WRITE]),
1625 .off3 = td_var_offset(ba[DDIR_TRIM]),
1626 .minval = 1,
1627 .help = "IO block offset alignment",
1628 .parent = "rw",
1629 .hide = 1,
1630 .interval = 512,
1631 .category = FIO_OPT_C_IO,
1632 .group = FIO_OPT_G_INVALID,
1633 },
1634 {
1635 .name = "bsrange",
1636 .lname = "Block size range",
1637 .alias = "blocksize_range",
1638 .type = FIO_OPT_RANGE,
1639 .off1 = td_var_offset(min_bs[DDIR_READ]),
1640 .off2 = td_var_offset(max_bs[DDIR_READ]),
1641 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1642 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1643 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1644 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1645 .minval = 1,
1646 .help = "Set block size range (in more detail than bs)",
1647 .parent = "rw",
1648 .hide = 1,
1649 .interval = 4096,
1650 .category = FIO_OPT_C_IO,
1651 .group = FIO_OPT_G_INVALID,
1652 },
1653 {
1654 .name = "bssplit",
1655 .lname = "Block size split",
1656 .type = FIO_OPT_STR,
1657 .cb = str_bssplit_cb,
1658 .help = "Set a specific mix of block sizes",
1659 .parent = "rw",
1660 .hide = 1,
1661 .category = FIO_OPT_C_IO,
1662 .group = FIO_OPT_G_INVALID,
1663 },
1664 {
1665 .name = "bs_unaligned",
1666 .lname = "Block size unaligned",
1667 .alias = "blocksize_unaligned",
1668 .type = FIO_OPT_STR_SET,
1669 .off1 = td_var_offset(bs_unaligned),
1670 .help = "Don't sector align IO buffer sizes",
1671 .parent = "rw",
1672 .hide = 1,
1673 .category = FIO_OPT_C_IO,
1674 .group = FIO_OPT_G_INVALID,
1675 },
1676 {
1677 .name = "randrepeat",
1678 .lname = "Random repeatable",
1679 .type = FIO_OPT_BOOL,
1680 .off1 = td_var_offset(rand_repeatable),
1681 .help = "Use repeatable random IO pattern",
1682 .def = "1",
1683 .parent = "rw",
1684 .hide = 1,
1685 .category = FIO_OPT_C_IO,
1686 .group = FIO_OPT_G_RANDOM,
1687 },
1688 {
1689 .name = "use_os_rand",
1690 .lname = "Use OS random",
1691 .type = FIO_OPT_BOOL,
1692 .off1 = td_var_offset(use_os_rand),
1693 .help = "Set to use OS random generator",
1694 .def = "0",
1695 .parent = "rw",
1696 .hide = 1,
1697 .category = FIO_OPT_C_IO,
1698 .group = FIO_OPT_G_RANDOM,
1699 },
1700 {
1701 .name = "norandommap",
1702 .lname = "No randommap",
1703 .type = FIO_OPT_STR_SET,
1704 .off1 = td_var_offset(norandommap),
1705 .help = "Accept potential duplicate random blocks",
1706 .parent = "rw",
1707 .hide = 1,
1708 .hide_on_set = 1,
1709 .category = FIO_OPT_C_IO,
1710 .group = FIO_OPT_G_RANDOM,
1711 },
1712 {
1713 .name = "softrandommap",
1714 .lname = "Soft randommap",
1715 .type = FIO_OPT_BOOL,
1716 .off1 = td_var_offset(softrandommap),
1717 .help = "Set norandommap if randommap allocation fails",
1718 .parent = "norandommap",
1719 .hide = 1,
1720 .def = "0",
1721 .category = FIO_OPT_C_IO,
1722 .group = FIO_OPT_G_RANDOM,
1723 },
1724 {
1725 .name = "random_generator",
1726 .type = FIO_OPT_STR,
1727 .off1 = td_var_offset(random_generator),
1728 .help = "Type of random number generator to use",
1729 .def = "tausworthe",
1730 .posval = {
1731 { .ival = "tausworthe",
1732 .oval = FIO_RAND_GEN_TAUSWORTHE,
1733 .help = "Strong Tausworthe generator",
1734 },
1735 { .ival = "lfsr",
1736 .oval = FIO_RAND_GEN_LFSR,
1737 .help = "Variable length LFSR",
1738 },
1739 },
1740 .category = FIO_OPT_C_IO,
1741 .group = FIO_OPT_G_RANDOM,
1742 },
1743 {
1744 .name = "random_distribution",
1745 .type = FIO_OPT_STR,
1746 .off1 = td_var_offset(random_distribution),
1747 .cb = str_random_distribution_cb,
1748 .help = "Random offset distribution generator",
1749 .def = "random",
1750 .posval = {
1751 { .ival = "random",
1752 .oval = FIO_RAND_DIST_RANDOM,
1753 .help = "Completely random",
1754 },
1755 { .ival = "zipf",
1756 .oval = FIO_RAND_DIST_ZIPF,
1757 .help = "Zipf distribution",
1758 },
1759 { .ival = "pareto",
1760 .oval = FIO_RAND_DIST_PARETO,
1761 .help = "Pareto distribution",
1762 },
1763 },
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 = "buffered",
1938 .lname = "Buffered I/O",
1939 .type = FIO_OPT_BOOL,
1940 .off1 = td_var_offset(odirect),
1941 .neg = 1,
1942 .help = "Use buffered IO (negates direct)",
1943 .def = "1",
1944 .inverse = "direct",
1945 .category = FIO_OPT_C_IO,
1946 .group = FIO_OPT_G_IO_TYPE,
1947 },
1948 {
1949 .name = "overwrite",
1950 .lname = "Overwrite",
1951 .type = FIO_OPT_BOOL,
1952 .off1 = td_var_offset(overwrite),
1953 .help = "When writing, set whether to overwrite current data",
1954 .def = "0",
1955 .category = FIO_OPT_C_FILE,
1956 .group = FIO_OPT_G_INVALID,
1957 },
1958 {
1959 .name = "loops",
1960 .lname = "Loops",
1961 .type = FIO_OPT_INT,
1962 .off1 = td_var_offset(loops),
1963 .help = "Number of times to run the job",
1964 .def = "1",
1965 .interval = 1,
1966 .category = FIO_OPT_C_GENERAL,
1967 .group = FIO_OPT_G_RUNTIME,
1968 },
1969 {
1970 .name = "numjobs",
1971 .lname = "Number of jobs",
1972 .type = FIO_OPT_INT,
1973 .off1 = td_var_offset(numjobs),
1974 .help = "Duplicate this job this many times",
1975 .def = "1",
1976 .interval = 1,
1977 .category = FIO_OPT_C_GENERAL,
1978 .group = FIO_OPT_G_RUNTIME,
1979 },
1980 {
1981 .name = "startdelay",
1982 .lname = "Start delay",
1983 .type = FIO_OPT_STR_VAL_TIME,
1984 .off1 = td_var_offset(start_delay),
1985 .help = "Only start job when this period has passed",
1986 .def = "0",
1987 .category = FIO_OPT_C_GENERAL,
1988 .group = FIO_OPT_G_RUNTIME,
1989 },
1990 {
1991 .name = "runtime",
1992 .lname = "Runtime",
1993 .alias = "timeout",
1994 .type = FIO_OPT_STR_VAL_TIME,
1995 .off1 = td_var_offset(timeout),
1996 .help = "Stop workload when this amount of time has passed",
1997 .def = "0",
1998 .category = FIO_OPT_C_GENERAL,
1999 .group = FIO_OPT_G_RUNTIME,
2000 },
2001 {
2002 .name = "time_based",
2003 .lname = "Time based",
2004 .type = FIO_OPT_STR_SET,
2005 .off1 = td_var_offset(time_based),
2006 .help = "Keep running until runtime/timeout is met",
2007 .category = FIO_OPT_C_GENERAL,
2008 .group = FIO_OPT_G_RUNTIME,
2009 },
2010 {
2011 .name = "ramp_time",
2012 .lname = "Ramp time",
2013 .type = FIO_OPT_STR_VAL_TIME,
2014 .off1 = td_var_offset(ramp_time),
2015 .help = "Ramp up time before measuring performance",
2016 .category = FIO_OPT_C_GENERAL,
2017 .group = FIO_OPT_G_RUNTIME,
2018 },
2019 {
2020 .name = "clocksource",
2021 .lname = "Clock source",
2022 .type = FIO_OPT_STR,
2023 .cb = fio_clock_source_cb,
2024 .off1 = td_var_offset(clocksource),
2025 .help = "What type of timing source to use",
2026 .category = FIO_OPT_C_GENERAL,
2027 .group = FIO_OPT_G_CLOCK,
2028 .posval = {
2029#ifdef CONFIG_GETTIMEOFDAY
2030 { .ival = "gettimeofday",
2031 .oval = CS_GTOD,
2032 .help = "Use gettimeofday(2) for timing",
2033 },
2034#endif
2035#ifdef CONFIG_CLOCK_GETTIME
2036 { .ival = "clock_gettime",
2037 .oval = CS_CGETTIME,
2038 .help = "Use clock_gettime(2) for timing",
2039 },
2040#endif
2041#ifdef ARCH_HAVE_CPU_CLOCK
2042 { .ival = "cpu",
2043 .oval = CS_CPUCLOCK,
2044 .help = "Use CPU private clock",
2045 },
2046#endif
2047 },
2048 },
2049 {
2050 .name = "mem",
2051 .alias = "iomem",
2052 .lname = "I/O Memory",
2053 .type = FIO_OPT_STR,
2054 .cb = str_mem_cb,
2055 .off1 = td_var_offset(mem_type),
2056 .help = "Backing type for IO buffers",
2057 .def = "malloc",
2058 .category = FIO_OPT_C_IO,
2059 .group = FIO_OPT_G_INVALID,
2060 .posval = {
2061 { .ival = "malloc",
2062 .oval = MEM_MALLOC,
2063 .help = "Use malloc(3) for IO buffers",
2064 },
2065 { .ival = "shm",
2066 .oval = MEM_SHM,
2067 .help = "Use shared memory segments for IO buffers",
2068 },
2069#ifdef FIO_HAVE_HUGETLB
2070 { .ival = "shmhuge",
2071 .oval = MEM_SHMHUGE,
2072 .help = "Like shm, but use huge pages",
2073 },
2074#endif
2075 { .ival = "mmap",
2076 .oval = MEM_MMAP,
2077 .help = "Use mmap(2) (file or anon) for IO buffers",
2078 },
2079#ifdef FIO_HAVE_HUGETLB
2080 { .ival = "mmaphuge",
2081 .oval = MEM_MMAPHUGE,
2082 .help = "Like mmap, but use huge pages",
2083 },
2084#endif
2085 },
2086 },
2087 {
2088 .name = "iomem_align",
2089 .alias = "mem_align",
2090 .lname = "I/O memory alignment",
2091 .type = FIO_OPT_INT,
2092 .off1 = td_var_offset(mem_align),
2093 .minval = 0,
2094 .help = "IO memory buffer offset alignment",
2095 .def = "0",
2096 .parent = "iomem",
2097 .hide = 1,
2098 .category = FIO_OPT_C_IO,
2099 .group = FIO_OPT_G_INVALID,
2100 },
2101 {
2102 .name = "verify",
2103 .lname = "Verify",
2104 .type = FIO_OPT_STR,
2105 .off1 = td_var_offset(verify),
2106 .help = "Verify data written",
2107 .cb = str_verify_cb,
2108 .def = "0",
2109 .category = FIO_OPT_C_IO,
2110 .group = FIO_OPT_G_VERIFY,
2111 .posval = {
2112 { .ival = "0",
2113 .oval = VERIFY_NONE,
2114 .help = "Don't do IO verification",
2115 },
2116 { .ival = "md5",
2117 .oval = VERIFY_MD5,
2118 .help = "Use md5 checksums for verification",
2119 },
2120 { .ival = "crc64",
2121 .oval = VERIFY_CRC64,
2122 .help = "Use crc64 checksums for verification",
2123 },
2124 { .ival = "crc32",
2125 .oval = VERIFY_CRC32,
2126 .help = "Use crc32 checksums for verification",
2127 },
2128 { .ival = "crc32c-intel",
2129 .oval = VERIFY_CRC32C,
2130 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2131 },
2132 { .ival = "crc32c",
2133 .oval = VERIFY_CRC32C,
2134 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2135 },
2136 { .ival = "crc16",
2137 .oval = VERIFY_CRC16,
2138 .help = "Use crc16 checksums for verification",
2139 },
2140 { .ival = "crc7",
2141 .oval = VERIFY_CRC7,
2142 .help = "Use crc7 checksums for verification",
2143 },
2144 { .ival = "sha1",
2145 .oval = VERIFY_SHA1,
2146 .help = "Use sha1 checksums for verification",
2147 },
2148 { .ival = "sha256",
2149 .oval = VERIFY_SHA256,
2150 .help = "Use sha256 checksums for verification",
2151 },
2152 { .ival = "sha512",
2153 .oval = VERIFY_SHA512,
2154 .help = "Use sha512 checksums for verification",
2155 },
2156 { .ival = "meta",
2157 .oval = VERIFY_META,
2158 .help = "Use io information",
2159 },
2160 {
2161 .ival = "null",
2162 .oval = VERIFY_NULL,
2163 .help = "Pretend to verify",
2164 },
2165 },
2166 },
2167 {
2168 .name = "do_verify",
2169 .lname = "Perform verify step",
2170 .type = FIO_OPT_BOOL,
2171 .off1 = td_var_offset(do_verify),
2172 .help = "Run verification stage after write",
2173 .def = "1",
2174 .parent = "verify",
2175 .hide = 1,
2176 .category = FIO_OPT_C_IO,
2177 .group = FIO_OPT_G_VERIFY,
2178 },
2179 {
2180 .name = "verifysort",
2181 .lname = "Verify sort",
2182 .type = FIO_OPT_BOOL,
2183 .off1 = td_var_offset(verifysort),
2184 .help = "Sort written verify blocks for read back",
2185 .def = "1",
2186 .parent = "verify",
2187 .hide = 1,
2188 .category = FIO_OPT_C_IO,
2189 .group = FIO_OPT_G_VERIFY,
2190 },
2191 {
2192 .name = "verifysort_nr",
2193 .type = FIO_OPT_INT,
2194 .off1 = td_var_offset(verifysort_nr),
2195 .help = "Pre-load and sort verify blocks for a read workload",
2196 .minval = 0,
2197 .maxval = 131072,
2198 .def = "1024",
2199 .parent = "verify",
2200 .category = FIO_OPT_C_IO,
2201 .group = FIO_OPT_G_VERIFY,
2202 },
2203 {
2204 .name = "verify_interval",
2205 .lname = "Verify interval",
2206 .type = FIO_OPT_INT,
2207 .off1 = td_var_offset(verify_interval),
2208 .minval = 2 * sizeof(struct verify_header),
2209 .help = "Store verify buffer header every N bytes",
2210 .parent = "verify",
2211 .hide = 1,
2212 .interval = 2 * sizeof(struct verify_header),
2213 .category = FIO_OPT_C_IO,
2214 .group = FIO_OPT_G_VERIFY,
2215 },
2216 {
2217 .name = "verify_offset",
2218 .lname = "Verify offset",
2219 .type = FIO_OPT_INT,
2220 .help = "Offset verify header location by N bytes",
2221 .off1 = td_var_offset(verify_offset),
2222 .minval = sizeof(struct verify_header),
2223 .cb = str_verify_offset_cb,
2224 .parent = "verify",
2225 .hide = 1,
2226 .category = FIO_OPT_C_IO,
2227 .group = FIO_OPT_G_VERIFY,
2228 },
2229 {
2230 .name = "verify_pattern",
2231 .lname = "Verify pattern",
2232 .type = FIO_OPT_STR,
2233 .cb = str_verify_pattern_cb,
2234 .help = "Fill pattern for IO buffers",
2235 .parent = "verify",
2236 .hide = 1,
2237 .category = FIO_OPT_C_IO,
2238 .group = FIO_OPT_G_VERIFY,
2239 },
2240 {
2241 .name = "verify_fatal",
2242 .lname = "Verify fatal",
2243 .type = FIO_OPT_BOOL,
2244 .off1 = td_var_offset(verify_fatal),
2245 .def = "0",
2246 .help = "Exit on a single verify failure, don't continue",
2247 .parent = "verify",
2248 .hide = 1,
2249 .category = FIO_OPT_C_IO,
2250 .group = FIO_OPT_G_VERIFY,
2251 },
2252 {
2253 .name = "verify_dump",
2254 .lname = "Verify dump",
2255 .type = FIO_OPT_BOOL,
2256 .off1 = td_var_offset(verify_dump),
2257 .def = "0",
2258 .help = "Dump contents of good and bad blocks on failure",
2259 .parent = "verify",
2260 .hide = 1,
2261 .category = FIO_OPT_C_IO,
2262 .group = FIO_OPT_G_VERIFY,
2263 },
2264 {
2265 .name = "verify_async",
2266 .lname = "Verify asynchronously",
2267 .type = FIO_OPT_INT,
2268 .off1 = td_var_offset(verify_async),
2269 .def = "0",
2270 .help = "Number of async verifier threads to use",
2271 .parent = "verify",
2272 .hide = 1,
2273 .category = FIO_OPT_C_IO,
2274 .group = FIO_OPT_G_VERIFY,
2275 },
2276 {
2277 .name = "verify_backlog",
2278 .lname = "Verify backlog",
2279 .type = FIO_OPT_STR_VAL,
2280 .off1 = td_var_offset(verify_backlog),
2281 .help = "Verify after this number of blocks are written",
2282 .parent = "verify",
2283 .hide = 1,
2284 .category = FIO_OPT_C_IO,
2285 .group = FIO_OPT_G_VERIFY,
2286 },
2287 {
2288 .name = "verify_backlog_batch",
2289 .lname = "Verify backlog batch",
2290 .type = FIO_OPT_INT,
2291 .off1 = td_var_offset(verify_batch),
2292 .help = "Verify this number of IO blocks",
2293 .parent = "verify",
2294 .hide = 1,
2295 .category = FIO_OPT_C_IO,
2296 .group = FIO_OPT_G_VERIFY,
2297 },
2298#ifdef FIO_HAVE_CPU_AFFINITY
2299 {
2300 .name = "verify_async_cpus",
2301 .lname = "Async verify CPUs",
2302 .type = FIO_OPT_STR,
2303 .cb = str_verify_cpus_allowed_cb,
2304 .help = "Set CPUs allowed for async verify threads",
2305 .parent = "verify_async",
2306 .hide = 1,
2307 .category = FIO_OPT_C_IO,
2308 .group = FIO_OPT_G_VERIFY,
2309 },
2310#endif
2311 {
2312 .name = "experimental_verify",
2313 .off1 = td_var_offset(experimental_verify),
2314 .type = FIO_OPT_BOOL,
2315 .help = "Enable experimental verification",
2316 .category = FIO_OPT_C_IO,
2317 .group = FIO_OPT_G_VERIFY,
2318 },
2319#ifdef FIO_HAVE_TRIM
2320 {
2321 .name = "trim_percentage",
2322 .lname = "Trim percentage",
2323 .type = FIO_OPT_INT,
2324 .off1 = td_var_offset(trim_percentage),
2325 .minval = 0,
2326 .maxval = 100,
2327 .help = "Number of verify blocks to discard/trim",
2328 .parent = "verify",
2329 .def = "0",
2330 .interval = 1,
2331 .hide = 1,
2332 .category = FIO_OPT_C_IO,
2333 .group = FIO_OPT_G_TRIM,
2334 },
2335 {
2336 .name = "trim_verify_zero",
2337 .lname = "Verify trim zero",
2338 .type = FIO_OPT_BOOL,
2339 .help = "Verify that trim/discarded blocks are returned as zeroes",
2340 .off1 = td_var_offset(trim_zero),
2341 .parent = "trim_percentage",
2342 .hide = 1,
2343 .def = "1",
2344 .category = FIO_OPT_C_IO,
2345 .group = FIO_OPT_G_TRIM,
2346 },
2347 {
2348 .name = "trim_backlog",
2349 .lname = "Trim backlog",
2350 .type = FIO_OPT_STR_VAL,
2351 .off1 = td_var_offset(trim_backlog),
2352 .help = "Trim after this number of blocks are written",
2353 .parent = "trim_percentage",
2354 .hide = 1,
2355 .interval = 1,
2356 .category = FIO_OPT_C_IO,
2357 .group = FIO_OPT_G_TRIM,
2358 },
2359 {
2360 .name = "trim_backlog_batch",
2361 .lname = "Trim backlog batch",
2362 .type = FIO_OPT_INT,
2363 .off1 = td_var_offset(trim_batch),
2364 .help = "Trim this number of IO blocks",
2365 .parent = "trim_percentage",
2366 .hide = 1,
2367 .interval = 1,
2368 .category = FIO_OPT_C_IO,
2369 .group = FIO_OPT_G_TRIM,
2370 },
2371#endif
2372 {
2373 .name = "write_iolog",
2374 .lname = "Write I/O log",
2375 .type = FIO_OPT_STR_STORE,
2376 .off1 = td_var_offset(write_iolog_file),
2377 .help = "Store IO pattern to file",
2378 .category = FIO_OPT_C_IO,
2379 .group = FIO_OPT_G_IOLOG,
2380 },
2381 {
2382 .name = "read_iolog",
2383 .lname = "Read I/O log",
2384 .type = FIO_OPT_STR_STORE,
2385 .off1 = td_var_offset(read_iolog_file),
2386 .help = "Playback IO pattern from file",
2387 .category = FIO_OPT_C_IO,
2388 .group = FIO_OPT_G_IOLOG,
2389 },
2390 {
2391 .name = "replay_no_stall",
2392 .lname = "Don't stall on replay",
2393 .type = FIO_OPT_BOOL,
2394 .off1 = td_var_offset(no_stall),
2395 .def = "0",
2396 .parent = "read_iolog",
2397 .hide = 1,
2398 .help = "Playback IO pattern file as fast as possible without stalls",
2399 .category = FIO_OPT_C_IO,
2400 .group = FIO_OPT_G_IOLOG,
2401 },
2402 {
2403 .name = "replay_redirect",
2404 .lname = "Redirect device for replay",
2405 .type = FIO_OPT_STR_STORE,
2406 .off1 = td_var_offset(replay_redirect),
2407 .parent = "read_iolog",
2408 .hide = 1,
2409 .help = "Replay all I/O onto this device, regardless of trace device",
2410 .category = FIO_OPT_C_IO,
2411 .group = FIO_OPT_G_IOLOG,
2412 },
2413 {
2414 .name = "exec_prerun",
2415 .lname = "Pre-execute runnable",
2416 .type = FIO_OPT_STR_STORE,
2417 .off1 = td_var_offset(exec_prerun),
2418 .help = "Execute this file prior to running job",
2419 .category = FIO_OPT_C_GENERAL,
2420 .group = FIO_OPT_G_INVALID,
2421 },
2422 {
2423 .name = "exec_postrun",
2424 .lname = "Post-execute runnable",
2425 .type = FIO_OPT_STR_STORE,
2426 .off1 = td_var_offset(exec_postrun),
2427 .help = "Execute this file after running job",
2428 .category = FIO_OPT_C_GENERAL,
2429 .group = FIO_OPT_G_INVALID,
2430 },
2431#ifdef FIO_HAVE_IOSCHED_SWITCH
2432 {
2433 .name = "ioscheduler",
2434 .lname = "I/O scheduler",
2435 .type = FIO_OPT_STR_STORE,
2436 .off1 = td_var_offset(ioscheduler),
2437 .help = "Use this IO scheduler on the backing device",
2438 .category = FIO_OPT_C_FILE,
2439 .group = FIO_OPT_G_INVALID,
2440 },
2441#endif
2442 {
2443 .name = "zonesize",
2444 .lname = "Zone size",
2445 .type = FIO_OPT_STR_VAL,
2446 .off1 = td_var_offset(zone_size),
2447 .help = "Amount of data to read per zone",
2448 .def = "0",
2449 .interval = 1024 * 1024,
2450 .category = FIO_OPT_C_IO,
2451 .group = FIO_OPT_G_ZONE,
2452 },
2453 {
2454 .name = "zonerange",
2455 .lname = "Zone range",
2456 .type = FIO_OPT_STR_VAL,
2457 .off1 = td_var_offset(zone_range),
2458 .help = "Give size of an IO zone",
2459 .def = "0",
2460 .interval = 1024 * 1024,
2461 .category = FIO_OPT_C_IO,
2462 .group = FIO_OPT_G_ZONE,
2463 },
2464 {
2465 .name = "zoneskip",
2466 .lname = "Zone skip",
2467 .type = FIO_OPT_STR_VAL,
2468 .off1 = td_var_offset(zone_skip),
2469 .help = "Space between IO zones",
2470 .def = "0",
2471 .interval = 1024 * 1024,
2472 .category = FIO_OPT_C_IO,
2473 .group = FIO_OPT_G_ZONE,
2474 },
2475 {
2476 .name = "lockmem",
2477 .lname = "Lock memory",
2478 .type = FIO_OPT_STR_VAL,
2479 .off1 = td_var_offset(lockmem),
2480 .help = "Lock down this amount of memory (per worker)",
2481 .def = "0",
2482 .interval = 1024 * 1024,
2483 .category = FIO_OPT_C_GENERAL,
2484 .group = FIO_OPT_G_INVALID,
2485 },
2486 {
2487 .name = "rwmixread",
2488 .lname = "Read/write mix read",
2489 .type = FIO_OPT_INT,
2490 .cb = str_rwmix_read_cb,
2491 .maxval = 100,
2492 .help = "Percentage of mixed workload that is reads",
2493 .def = "50",
2494 .interval = 5,
2495 .inverse = "rwmixwrite",
2496 .category = FIO_OPT_C_IO,
2497 .group = FIO_OPT_G_RWMIX,
2498 },
2499 {
2500 .name = "rwmixwrite",
2501 .lname = "Read/write mix write",
2502 .type = FIO_OPT_INT,
2503 .cb = str_rwmix_write_cb,
2504 .maxval = 100,
2505 .help = "Percentage of mixed workload that is writes",
2506 .def = "50",
2507 .interval = 5,
2508 .inverse = "rwmixread",
2509 .category = FIO_OPT_C_IO,
2510 .group = FIO_OPT_G_RWMIX,
2511 },
2512 {
2513 .name = "rwmixcycle",
2514 .lname = "Read/write mix cycle",
2515 .type = FIO_OPT_DEPRECATED,
2516 .category = FIO_OPT_C_IO,
2517 .group = FIO_OPT_G_RWMIX,
2518 },
2519 {
2520 .name = "nice",
2521 .lname = "Nice",
2522 .type = FIO_OPT_INT,
2523 .off1 = td_var_offset(nice),
2524 .help = "Set job CPU nice value",
2525 .minval = -19,
2526 .maxval = 20,
2527 .def = "0",
2528 .interval = 1,
2529 .category = FIO_OPT_C_GENERAL,
2530 .group = FIO_OPT_G_CRED,
2531 },
2532#ifdef FIO_HAVE_IOPRIO
2533 {
2534 .name = "prio",
2535 .lname = "I/O nice priority",
2536 .type = FIO_OPT_INT,
2537 .cb = str_prio_cb,
2538 .off1 = td_var_offset(ioprio),
2539 .help = "Set job IO priority value",
2540 .minval = 0,
2541 .maxval = 7,
2542 .interval = 1,
2543 .category = FIO_OPT_C_GENERAL,
2544 .group = FIO_OPT_G_CRED,
2545 },
2546 {
2547 .name = "prioclass",
2548 .lname = "I/O nice priority class",
2549 .type = FIO_OPT_INT,
2550 .cb = str_prioclass_cb,
2551 .off1 = td_var_offset(ioprio_class),
2552 .help = "Set job IO priority class",
2553 .minval = 0,
2554 .maxval = 3,
2555 .interval = 1,
2556 .category = FIO_OPT_C_GENERAL,
2557 .group = FIO_OPT_G_CRED,
2558 },
2559#endif
2560 {
2561 .name = "thinktime",
2562 .lname = "Thinktime",
2563 .type = FIO_OPT_INT,
2564 .off1 = td_var_offset(thinktime),
2565 .help = "Idle time between IO buffers (usec)",
2566 .def = "0",
2567 .category = FIO_OPT_C_IO,
2568 .group = FIO_OPT_G_THINKTIME,
2569 },
2570 {
2571 .name = "thinktime_spin",
2572 .lname = "Thinktime spin",
2573 .type = FIO_OPT_INT,
2574 .off1 = td_var_offset(thinktime_spin),
2575 .help = "Start think time by spinning this amount (usec)",
2576 .def = "0",
2577 .parent = "thinktime",
2578 .hide = 1,
2579 .category = FIO_OPT_C_IO,
2580 .group = FIO_OPT_G_THINKTIME,
2581 },
2582 {
2583 .name = "thinktime_blocks",
2584 .lname = "Thinktime blocks",
2585 .type = FIO_OPT_INT,
2586 .off1 = td_var_offset(thinktime_blocks),
2587 .help = "IO buffer period between 'thinktime'",
2588 .def = "1",
2589 .parent = "thinktime",
2590 .hide = 1,
2591 .category = FIO_OPT_C_IO,
2592 .group = FIO_OPT_G_THINKTIME,
2593 },
2594 {
2595 .name = "rate",
2596 .lname = "I/O rate",
2597 .type = FIO_OPT_INT,
2598 .off1 = td_var_offset(rate[DDIR_READ]),
2599 .off2 = td_var_offset(rate[DDIR_WRITE]),
2600 .off3 = td_var_offset(rate[DDIR_TRIM]),
2601 .help = "Set bandwidth rate",
2602 .category = FIO_OPT_C_IO,
2603 .group = FIO_OPT_G_RATE,
2604 },
2605 {
2606 .name = "ratemin",
2607 .lname = "I/O min rate",
2608 .type = FIO_OPT_INT,
2609 .off1 = td_var_offset(ratemin[DDIR_READ]),
2610 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2611 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
2612 .help = "Job must meet this rate or it will be shutdown",
2613 .parent = "rate",
2614 .hide = 1,
2615 .category = FIO_OPT_C_IO,
2616 .group = FIO_OPT_G_RATE,
2617 },
2618 {
2619 .name = "rate_iops",
2620 .lname = "I/O rate IOPS",
2621 .type = FIO_OPT_INT,
2622 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2623 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2624 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
2625 .help = "Limit IO used to this number of IO operations/sec",
2626 .hide = 1,
2627 .category = FIO_OPT_C_IO,
2628 .group = FIO_OPT_G_RATE,
2629 },
2630 {
2631 .name = "rate_iops_min",
2632 .lname = "I/O min rate IOPS",
2633 .type = FIO_OPT_INT,
2634 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2635 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2636 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
2637 .help = "Job must meet this rate or it will be shut down",
2638 .parent = "rate_iops",
2639 .hide = 1,
2640 .category = FIO_OPT_C_IO,
2641 .group = FIO_OPT_G_RATE,
2642 },
2643 {
2644 .name = "ratecycle",
2645 .lname = "I/O rate cycle",
2646 .type = FIO_OPT_INT,
2647 .off1 = td_var_offset(ratecycle),
2648 .help = "Window average for rate limits (msec)",
2649 .def = "1000",
2650 .parent = "rate",
2651 .hide = 1,
2652 .category = FIO_OPT_C_IO,
2653 .group = FIO_OPT_G_RATE,
2654 },
2655 {
2656 .name = "max_latency",
2657 .type = FIO_OPT_INT,
2658 .off1 = td_var_offset(max_latency),
2659 .help = "Maximum tolerated IO latency (usec)",
2660 .category = FIO_OPT_C_IO,
2661 .group = FIO_OPT_G_RATE,
2662 },
2663 {
2664 .name = "invalidate",
2665 .lname = "Cache invalidate",
2666 .type = FIO_OPT_BOOL,
2667 .off1 = td_var_offset(invalidate_cache),
2668 .help = "Invalidate buffer/page cache prior to running job",
2669 .def = "1",
2670 .category = FIO_OPT_C_IO,
2671 .group = FIO_OPT_G_IO_TYPE,
2672 },
2673 {
2674 .name = "sync",
2675 .lname = "Synchronous I/O",
2676 .type = FIO_OPT_BOOL,
2677 .off1 = td_var_offset(sync_io),
2678 .help = "Use O_SYNC for buffered writes",
2679 .def = "0",
2680 .parent = "buffered",
2681 .hide = 1,
2682 .category = FIO_OPT_C_IO,
2683 .group = FIO_OPT_G_IO_TYPE,
2684 },
2685 {
2686 .name = "create_serialize",
2687 .lname = "Create serialize",
2688 .type = FIO_OPT_BOOL,
2689 .off1 = td_var_offset(create_serialize),
2690 .help = "Serialize creating of job files",
2691 .def = "1",
2692 .category = FIO_OPT_C_FILE,
2693 .group = FIO_OPT_G_INVALID,
2694 },
2695 {
2696 .name = "create_fsync",
2697 .lname = "Create fsync",
2698 .type = FIO_OPT_BOOL,
2699 .off1 = td_var_offset(create_fsync),
2700 .help = "fsync file after creation",
2701 .def = "1",
2702 .category = FIO_OPT_C_FILE,
2703 .group = FIO_OPT_G_INVALID,
2704 },
2705 {
2706 .name = "create_on_open",
2707 .lname = "Create on open",
2708 .type = FIO_OPT_BOOL,
2709 .off1 = td_var_offset(create_on_open),
2710 .help = "Create files when they are opened for IO",
2711 .def = "0",
2712 .category = FIO_OPT_C_FILE,
2713 .group = FIO_OPT_G_INVALID,
2714 },
2715 {
2716 .name = "create_only",
2717 .type = FIO_OPT_BOOL,
2718 .off1 = td_var_offset(create_only),
2719 .help = "Only perform file creation phase",
2720 .category = FIO_OPT_C_FILE,
2721 .def = "0",
2722 },
2723 {
2724 .name = "pre_read",
2725 .lname = "Pre-read files",
2726 .type = FIO_OPT_BOOL,
2727 .off1 = td_var_offset(pre_read),
2728 .help = "Pre-read files before starting official testing",
2729 .def = "0",
2730 .category = FIO_OPT_C_FILE,
2731 .group = FIO_OPT_G_INVALID,
2732 },
2733#ifdef FIO_HAVE_CPU_AFFINITY
2734 {
2735 .name = "cpumask",
2736 .lname = "CPU mask",
2737 .type = FIO_OPT_INT,
2738 .cb = str_cpumask_cb,
2739 .help = "CPU affinity mask",
2740 .category = FIO_OPT_C_GENERAL,
2741 .group = FIO_OPT_G_CRED,
2742 },
2743 {
2744 .name = "cpus_allowed",
2745 .lname = "CPUs allowed",
2746 .type = FIO_OPT_STR,
2747 .cb = str_cpus_allowed_cb,
2748 .help = "Set CPUs allowed",
2749 .category = FIO_OPT_C_GENERAL,
2750 .group = FIO_OPT_G_CRED,
2751 },
2752#endif
2753#ifdef CONFIG_LIBNUMA
2754 {
2755 .name = "numa_cpu_nodes",
2756 .type = FIO_OPT_STR,
2757 .cb = str_numa_cpunodes_cb,
2758 .help = "NUMA CPU nodes bind",
2759 .category = FIO_OPT_C_GENERAL,
2760 .group = FIO_OPT_G_INVALID,
2761 },
2762 {
2763 .name = "numa_mem_policy",
2764 .type = FIO_OPT_STR,
2765 .cb = str_numa_mpol_cb,
2766 .help = "NUMA memory policy setup",
2767 .category = FIO_OPT_C_GENERAL,
2768 .group = FIO_OPT_G_INVALID,
2769 },
2770#endif
2771 {
2772 .name = "end_fsync",
2773 .lname = "End fsync",
2774 .type = FIO_OPT_BOOL,
2775 .off1 = td_var_offset(end_fsync),
2776 .help = "Include fsync at the end of job",
2777 .def = "0",
2778 .category = FIO_OPT_C_FILE,
2779 .group = FIO_OPT_G_INVALID,
2780 },
2781 {
2782 .name = "fsync_on_close",
2783 .lname = "Fsync on close",
2784 .type = FIO_OPT_BOOL,
2785 .off1 = td_var_offset(fsync_on_close),
2786 .help = "fsync files on close",
2787 .def = "0",
2788 .category = FIO_OPT_C_FILE,
2789 .group = FIO_OPT_G_INVALID,
2790 },
2791 {
2792 .name = "unlink",
2793 .lname = "Unlink file",
2794 .type = FIO_OPT_BOOL,
2795 .off1 = td_var_offset(unlink),
2796 .help = "Unlink created files after job has completed",
2797 .def = "0",
2798 .category = FIO_OPT_C_FILE,
2799 .group = FIO_OPT_G_INVALID,
2800 },
2801 {
2802 .name = "exitall",
2803 .lname = "Exit-all on terminate",
2804 .type = FIO_OPT_STR_SET,
2805 .cb = str_exitall_cb,
2806 .help = "Terminate all jobs when one exits",
2807 .category = FIO_OPT_C_GENERAL,
2808 .group = FIO_OPT_G_PROCESS,
2809 },
2810 {
2811 .name = "stonewall",
2812 .lname = "Wait for previous",
2813 .alias = "wait_for_previous",
2814 .type = FIO_OPT_STR_SET,
2815 .off1 = td_var_offset(stonewall),
2816 .help = "Insert a hard barrier between this job and previous",
2817 .category = FIO_OPT_C_GENERAL,
2818 .group = FIO_OPT_G_PROCESS,
2819 },
2820 {
2821 .name = "new_group",
2822 .lname = "New group",
2823 .type = FIO_OPT_STR_SET,
2824 .off1 = td_var_offset(new_group),
2825 .help = "Mark the start of a new group (for reporting)",
2826 .category = FIO_OPT_C_GENERAL,
2827 .group = FIO_OPT_G_PROCESS,
2828 },
2829 {
2830 .name = "thread",
2831 .lname = "Thread",
2832 .type = FIO_OPT_STR_SET,
2833 .off1 = td_var_offset(use_thread),
2834 .help = "Use threads instead of processes",
2835 .category = FIO_OPT_C_GENERAL,
2836 .group = FIO_OPT_G_PROCESS,
2837 },
2838 {
2839 .name = "write_bw_log",
2840 .lname = "Write bandwidth log",
2841 .type = FIO_OPT_STR,
2842 .off1 = td_var_offset(bw_log_file),
2843 .cb = str_write_bw_log_cb,
2844 .help = "Write log of bandwidth during run",
2845 .category = FIO_OPT_C_LOG,
2846 .group = FIO_OPT_G_INVALID,
2847 },
2848 {
2849 .name = "write_lat_log",
2850 .lname = "Write latency log",
2851 .type = FIO_OPT_STR,
2852 .off1 = td_var_offset(lat_log_file),
2853 .cb = str_write_lat_log_cb,
2854 .help = "Write log of latency during run",
2855 .category = FIO_OPT_C_LOG,
2856 .group = FIO_OPT_G_INVALID,
2857 },
2858 {
2859 .name = "write_iops_log",
2860 .lname = "Write IOPS log",
2861 .type = FIO_OPT_STR,
2862 .off1 = td_var_offset(iops_log_file),
2863 .cb = str_write_iops_log_cb,
2864 .help = "Write log of IOPS during run",
2865 .category = FIO_OPT_C_LOG,
2866 .group = FIO_OPT_G_INVALID,
2867 },
2868 {
2869 .name = "log_avg_msec",
2870 .lname = "Log averaging (msec)",
2871 .type = FIO_OPT_INT,
2872 .off1 = td_var_offset(log_avg_msec),
2873 .help = "Average bw/iops/lat logs over this period of time",
2874 .def = "0",
2875 .category = FIO_OPT_C_LOG,
2876 .group = FIO_OPT_G_INVALID,
2877 },
2878 {
2879 .name = "bwavgtime",
2880 .lname = "Bandwidth average time",
2881 .type = FIO_OPT_INT,
2882 .off1 = td_var_offset(bw_avg_time),
2883 .help = "Time window over which to calculate bandwidth"
2884 " (msec)",
2885 .def = "500",
2886 .parent = "write_bw_log",
2887 .hide = 1,
2888 .interval = 100,
2889 .category = FIO_OPT_C_LOG,
2890 .group = FIO_OPT_G_INVALID,
2891 },
2892 {
2893 .name = "iopsavgtime",
2894 .lname = "IOPS average time",
2895 .type = FIO_OPT_INT,
2896 .off1 = td_var_offset(iops_avg_time),
2897 .help = "Time window over which to calculate IOPS (msec)",
2898 .def = "500",
2899 .parent = "write_iops_log",
2900 .hide = 1,
2901 .interval = 100,
2902 .category = FIO_OPT_C_LOG,
2903 .group = FIO_OPT_G_INVALID,
2904 },
2905 {
2906 .name = "group_reporting",
2907 .lname = "Group reporting",
2908 .type = FIO_OPT_BOOL,
2909 .off1 = td_var_offset(group_reporting),
2910 .help = "Do reporting on a per-group basis",
2911 .def = "1",
2912 .category = FIO_OPT_C_STAT,
2913 .group = FIO_OPT_G_INVALID,
2914 },
2915 {
2916 .name = "zero_buffers",
2917 .lname = "Zero I/O buffers",
2918 .type = FIO_OPT_STR_SET,
2919 .off1 = td_var_offset(zero_buffers),
2920 .help = "Init IO buffers to all zeroes",
2921 .category = FIO_OPT_C_IO,
2922 .group = FIO_OPT_G_IO_BUF,
2923 },
2924 {
2925 .name = "refill_buffers",
2926 .lname = "Refill I/O buffers",
2927 .type = FIO_OPT_STR_SET,
2928 .off1 = td_var_offset(refill_buffers),
2929 .help = "Refill IO buffers on every IO submit",
2930 .category = FIO_OPT_C_IO,
2931 .group = FIO_OPT_G_IO_BUF,
2932 },
2933 {
2934 .name = "scramble_buffers",
2935 .lname = "Scramble I/O buffers",
2936 .type = FIO_OPT_BOOL,
2937 .off1 = td_var_offset(scramble_buffers),
2938 .help = "Slightly scramble buffers on every IO submit",
2939 .def = "1",
2940 .category = FIO_OPT_C_IO,
2941 .group = FIO_OPT_G_IO_BUF,
2942 },
2943 {
2944 .name = "buffer_compress_percentage",
2945 .lname = "Buffer compression percentage",
2946 .type = FIO_OPT_INT,
2947 .off1 = td_var_offset(compress_percentage),
2948 .maxval = 100,
2949 .minval = 1,
2950 .help = "How compressible the buffer is (approximately)",
2951 .interval = 5,
2952 .category = FIO_OPT_C_IO,
2953 .group = FIO_OPT_G_IO_BUF,
2954 },
2955 {
2956 .name = "buffer_compress_chunk",
2957 .lname = "Buffer compression chunk size",
2958 .type = FIO_OPT_INT,
2959 .off1 = td_var_offset(compress_chunk),
2960 .parent = "buffer_compress_percentage",
2961 .hide = 1,
2962 .help = "Size of compressible region in buffer",
2963 .interval = 256,
2964 .category = FIO_OPT_C_IO,
2965 .group = FIO_OPT_G_IO_BUF,
2966 },
2967 {
2968 .name = "clat_percentiles",
2969 .lname = "Completion latency percentiles",
2970 .type = FIO_OPT_BOOL,
2971 .off1 = td_var_offset(clat_percentiles),
2972 .help = "Enable the reporting of completion latency percentiles",
2973 .def = "1",
2974 .category = FIO_OPT_C_STAT,
2975 .group = FIO_OPT_G_INVALID,
2976 },
2977 {
2978 .name = "percentile_list",
2979 .lname = "Completion latency percentile list",
2980 .type = FIO_OPT_FLOAT_LIST,
2981 .off1 = td_var_offset(percentile_list),
2982 .off2 = td_var_offset(percentile_precision),
2983 .help = "Specify a custom list of percentiles to report",
2984 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
2985 .maxlen = FIO_IO_U_LIST_MAX_LEN,
2986 .minfp = 0.0,
2987 .maxfp = 100.0,
2988 .category = FIO_OPT_C_STAT,
2989 .group = FIO_OPT_G_INVALID,
2990 },
2991
2992#ifdef FIO_HAVE_DISK_UTIL
2993 {
2994 .name = "disk_util",
2995 .lname = "Disk utilization",
2996 .type = FIO_OPT_BOOL,
2997 .off1 = td_var_offset(do_disk_util),
2998 .help = "Log disk utilization statistics",
2999 .def = "1",
3000 .category = FIO_OPT_C_STAT,
3001 .group = FIO_OPT_G_INVALID,
3002 },
3003#endif
3004 {
3005 .name = "gtod_reduce",
3006 .lname = "Reduce gettimeofday() calls",
3007 .type = FIO_OPT_BOOL,
3008 .help = "Greatly reduce number of gettimeofday() calls",
3009 .cb = str_gtod_reduce_cb,
3010 .def = "0",
3011 .hide_on_set = 1,
3012 .category = FIO_OPT_C_STAT,
3013 .group = FIO_OPT_G_INVALID,
3014 },
3015 {
3016 .name = "disable_lat",
3017 .lname = "Disable all latency stats",
3018 .type = FIO_OPT_BOOL,
3019 .off1 = td_var_offset(disable_lat),
3020 .help = "Disable latency numbers",
3021 .parent = "gtod_reduce",
3022 .hide = 1,
3023 .def = "0",
3024 .category = FIO_OPT_C_STAT,
3025 .group = FIO_OPT_G_INVALID,
3026 },
3027 {
3028 .name = "disable_clat",
3029 .lname = "Disable completion latency stats",
3030 .type = FIO_OPT_BOOL,
3031 .off1 = td_var_offset(disable_clat),
3032 .help = "Disable completion latency numbers",
3033 .parent = "gtod_reduce",
3034 .hide = 1,
3035 .def = "0",
3036 .category = FIO_OPT_C_STAT,
3037 .group = FIO_OPT_G_INVALID,
3038 },
3039 {
3040 .name = "disable_slat",
3041 .lname = "Disable submission latency stats",
3042 .type = FIO_OPT_BOOL,
3043 .off1 = td_var_offset(disable_slat),
3044 .help = "Disable submission latency numbers",
3045 .parent = "gtod_reduce",
3046 .hide = 1,
3047 .def = "0",
3048 .category = FIO_OPT_C_STAT,
3049 .group = FIO_OPT_G_INVALID,
3050 },
3051 {
3052 .name = "disable_bw_measurement",
3053 .lname = "Disable bandwidth stats",
3054 .type = FIO_OPT_BOOL,
3055 .off1 = td_var_offset(disable_bw),
3056 .help = "Disable bandwidth logging",
3057 .parent = "gtod_reduce",
3058 .hide = 1,
3059 .def = "0",
3060 .category = FIO_OPT_C_STAT,
3061 .group = FIO_OPT_G_INVALID,
3062 },
3063 {
3064 .name = "gtod_cpu",
3065 .lname = "Dedicated gettimeofday() CPU",
3066 .type = FIO_OPT_INT,
3067 .cb = str_gtod_cpu_cb,
3068 .help = "Set up dedicated gettimeofday() thread on this CPU",
3069 .verify = gtod_cpu_verify,
3070 .category = FIO_OPT_C_GENERAL,
3071 .group = FIO_OPT_G_CLOCK,
3072 },
3073 {
3074 .name = "unified_rw_reporting",
3075 .type = FIO_OPT_BOOL,
3076 .off1 = td_var_offset(unified_rw_rep),
3077 .help = "Unify reporting across data direction",
3078 .def = "0",
3079 .category = FIO_OPT_C_GENERAL,
3080 .group = FIO_OPT_G_INVALID,
3081 },
3082 {
3083 .name = "continue_on_error",
3084 .lname = "Continue on error",
3085 .type = FIO_OPT_STR,
3086 .off1 = td_var_offset(continue_on_error),
3087 .help = "Continue on non-fatal errors during IO",
3088 .def = "none",
3089 .category = FIO_OPT_C_GENERAL,
3090 .group = FIO_OPT_G_ERR,
3091 .posval = {
3092 { .ival = "none",
3093 .oval = ERROR_TYPE_NONE,
3094 .help = "Exit when an error is encountered",
3095 },
3096 { .ival = "read",
3097 .oval = ERROR_TYPE_READ,
3098 .help = "Continue on read errors only",
3099 },
3100 { .ival = "write",
3101 .oval = ERROR_TYPE_WRITE,
3102 .help = "Continue on write errors only",
3103 },
3104 { .ival = "io",
3105 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3106 .help = "Continue on any IO errors",
3107 },
3108 { .ival = "verify",
3109 .oval = ERROR_TYPE_VERIFY,
3110 .help = "Continue on verify errors only",
3111 },
3112 { .ival = "all",
3113 .oval = ERROR_TYPE_ANY,
3114 .help = "Continue on all io and verify errors",
3115 },
3116 { .ival = "0",
3117 .oval = ERROR_TYPE_NONE,
3118 .help = "Alias for 'none'",
3119 },
3120 { .ival = "1",
3121 .oval = ERROR_TYPE_ANY,
3122 .help = "Alias for 'all'",
3123 },
3124 },
3125 },
3126 {
3127 .name = "ignore_error",
3128 .type = FIO_OPT_STR,
3129 .cb = str_ignore_error_cb,
3130 .help = "Set a specific list of errors to ignore",
3131 .parent = "rw",
3132 .category = FIO_OPT_C_GENERAL,
3133 .group = FIO_OPT_G_ERR,
3134 },
3135 {
3136 .name = "error_dump",
3137 .type = FIO_OPT_BOOL,
3138 .off1 = td_var_offset(error_dump),
3139 .def = "0",
3140 .help = "Dump info on each error",
3141 .category = FIO_OPT_C_GENERAL,
3142 .group = FIO_OPT_G_ERR,
3143 },
3144 {
3145 .name = "profile",
3146 .lname = "Profile",
3147 .type = FIO_OPT_STR_STORE,
3148 .off1 = td_var_offset(profile),
3149 .help = "Select a specific builtin performance test",
3150 .category = FIO_OPT_C_PROFILE,
3151 .group = FIO_OPT_G_INVALID,
3152 },
3153 {
3154 .name = "cgroup",
3155 .lname = "Cgroup",
3156 .type = FIO_OPT_STR_STORE,
3157 .off1 = td_var_offset(cgroup),
3158 .help = "Add job to cgroup of this name",
3159 .category = FIO_OPT_C_GENERAL,
3160 .group = FIO_OPT_G_CGROUP,
3161 },
3162 {
3163 .name = "cgroup_nodelete",
3164 .lname = "Cgroup no-delete",
3165 .type = FIO_OPT_BOOL,
3166 .off1 = td_var_offset(cgroup_nodelete),
3167 .help = "Do not delete cgroups after job completion",
3168 .def = "0",
3169 .parent = "cgroup",
3170 .category = FIO_OPT_C_GENERAL,
3171 .group = FIO_OPT_G_CGROUP,
3172 },
3173 {
3174 .name = "cgroup_weight",
3175 .lname = "Cgroup weight",
3176 .type = FIO_OPT_INT,
3177 .off1 = td_var_offset(cgroup_weight),
3178 .help = "Use given weight for cgroup",
3179 .minval = 100,
3180 .maxval = 1000,
3181 .parent = "cgroup",
3182 .category = FIO_OPT_C_GENERAL,
3183 .group = FIO_OPT_G_CGROUP,
3184 },
3185 {
3186 .name = "uid",
3187 .lname = "User ID",
3188 .type = FIO_OPT_INT,
3189 .off1 = td_var_offset(uid),
3190 .help = "Run job with this user ID",
3191 .category = FIO_OPT_C_GENERAL,
3192 .group = FIO_OPT_G_CRED,
3193 },
3194 {
3195 .name = "gid",
3196 .lname = "Group ID",
3197 .type = FIO_OPT_INT,
3198 .off1 = td_var_offset(gid),
3199 .help = "Run job with this group ID",
3200 .category = FIO_OPT_C_GENERAL,
3201 .group = FIO_OPT_G_CRED,
3202 },
3203 {
3204 .name = "kb_base",
3205 .lname = "KB Base",
3206 .type = FIO_OPT_INT,
3207 .off1 = td_var_offset(kb_base),
3208 .prio = 1,
3209 .def = "1024",
3210 .posval = {
3211 { .ival = "1024",
3212 .oval = 1024,
3213 .help = "Use 1024 as the K base",
3214 },
3215 { .ival = "1000",
3216 .oval = 1000,
3217 .help = "Use 1000 as the K base",
3218 },
3219 },
3220 .help = "How many bytes per KB for reporting (1000 or 1024)",
3221 .category = FIO_OPT_C_GENERAL,
3222 .group = FIO_OPT_G_INVALID,
3223 },
3224 {
3225 .name = "unit_base",
3226 .lname = "Base unit for reporting (Bits or Bytes)",
3227 .type = FIO_OPT_INT,
3228 .off1 = td_var_offset(unit_base),
3229 .prio = 1,
3230 .posval = {
3231 { .ival = "0",
3232 .oval = 0,
3233 .help = "Auto-detect",
3234 },
3235 { .ival = "8",
3236 .oval = 8,
3237 .help = "Normal (byte based)",
3238 },
3239 { .ival = "1",
3240 .oval = 1,
3241 .help = "Bit based",
3242 },
3243 },
3244 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3245 .category = FIO_OPT_C_GENERAL,
3246 .group = FIO_OPT_G_INVALID,
3247 },
3248 {
3249 .name = "hugepage-size",
3250 .lname = "Hugepage size",
3251 .type = FIO_OPT_INT,
3252 .off1 = td_var_offset(hugepage_size),
3253 .help = "When using hugepages, specify size of each page",
3254 .def = __fio_stringify(FIO_HUGE_PAGE),
3255 .interval = 1024 * 1024,
3256 .category = FIO_OPT_C_GENERAL,
3257 .group = FIO_OPT_G_INVALID,
3258 },
3259 {
3260 .name = "flow_id",
3261 .lname = "I/O flow ID",
3262 .type = FIO_OPT_INT,
3263 .off1 = td_var_offset(flow_id),
3264 .help = "The flow index ID to use",
3265 .def = "0",
3266 .category = FIO_OPT_C_IO,
3267 .group = FIO_OPT_G_IO_FLOW,
3268 },
3269 {
3270 .name = "flow",
3271 .lname = "I/O flow weight",
3272 .type = FIO_OPT_INT,
3273 .off1 = td_var_offset(flow),
3274 .help = "Weight for flow control of this job",
3275 .parent = "flow_id",
3276 .hide = 1,
3277 .def = "0",
3278 .category = FIO_OPT_C_IO,
3279 .group = FIO_OPT_G_IO_FLOW,
3280 },
3281 {
3282 .name = "flow_watermark",
3283 .lname = "I/O flow watermark",
3284 .type = FIO_OPT_INT,
3285 .off1 = td_var_offset(flow_watermark),
3286 .help = "High watermark for flow control. This option"
3287 " should be set to the same value for all threads"
3288 " with non-zero flow.",
3289 .parent = "flow_id",
3290 .hide = 1,
3291 .def = "1024",
3292 .category = FIO_OPT_C_IO,
3293 .group = FIO_OPT_G_IO_FLOW,
3294 },
3295 {
3296 .name = "flow_sleep",
3297 .lname = "I/O flow sleep",
3298 .type = FIO_OPT_INT,
3299 .off1 = td_var_offset(flow_sleep),
3300 .help = "How many microseconds to sleep after being held"
3301 " back by the flow control mechanism",
3302 .parent = "flow_id",
3303 .hide = 1,
3304 .def = "0",
3305 .category = FIO_OPT_C_IO,
3306 .group = FIO_OPT_G_IO_FLOW,
3307 },
3308 {
3309 .name = NULL,
3310 },
3311};
3312
3313static void add_to_lopt(struct option *lopt, struct fio_option *o,
3314 const char *name, int val)
3315{
3316 lopt->name = (char *) name;
3317 lopt->val = val;
3318 if (o->type == FIO_OPT_STR_SET)
3319 lopt->has_arg = no_argument;
3320 else
3321 lopt->has_arg = required_argument;
3322}
3323
3324static void options_to_lopts(struct fio_option *opts,
3325 struct option *long_options,
3326 int i, int option_type)
3327{
3328 struct fio_option *o = &opts[0];
3329 while (o->name) {
3330 add_to_lopt(&long_options[i], o, o->name, option_type);
3331 if (o->alias) {
3332 i++;
3333 add_to_lopt(&long_options[i], o, o->alias, option_type);
3334 }
3335
3336 i++;
3337 o++;
3338 assert(i < FIO_NR_OPTIONS);
3339 }
3340}
3341
3342void fio_options_set_ioengine_opts(struct option *long_options,
3343 struct thread_data *td)
3344{
3345 unsigned int i;
3346
3347 i = 0;
3348 while (long_options[i].name) {
3349 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3350 memset(&long_options[i], 0, sizeof(*long_options));
3351 break;
3352 }
3353 i++;
3354 }
3355
3356 /*
3357 * Just clear out the prior ioengine options.
3358 */
3359 if (!td || !td->eo)
3360 return;
3361
3362 options_to_lopts(td->io_ops->options, long_options, i,
3363 FIO_GETOPT_IOENGINE);
3364}
3365
3366void fio_options_dup_and_init(struct option *long_options)
3367{
3368 unsigned int i;
3369
3370 options_init(fio_options);
3371
3372 i = 0;
3373 while (long_options[i].name)
3374 i++;
3375
3376 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
3377}
3378
3379struct fio_keyword {
3380 const char *word;
3381 const char *desc;
3382 char *replace;
3383};
3384
3385static struct fio_keyword fio_keywords[] = {
3386 {
3387 .word = "$pagesize",
3388 .desc = "Page size in the system",
3389 },
3390 {
3391 .word = "$mb_memory",
3392 .desc = "Megabytes of memory online",
3393 },
3394 {
3395 .word = "$ncpus",
3396 .desc = "Number of CPUs online in the system",
3397 },
3398 {
3399 .word = NULL,
3400 },
3401};
3402
3403void fio_keywords_init(void)
3404{
3405 unsigned long long mb_memory;
3406 char buf[128];
3407 long l;
3408
3409 sprintf(buf, "%lu", (unsigned long) page_size);
3410 fio_keywords[0].replace = strdup(buf);
3411
3412 mb_memory = os_phys_mem() / (1024 * 1024);
3413 sprintf(buf, "%llu", mb_memory);
3414 fio_keywords[1].replace = strdup(buf);
3415
3416 l = cpus_online();
3417 sprintf(buf, "%lu", l);
3418 fio_keywords[2].replace = strdup(buf);
3419}
3420
3421#define BC_APP "bc"
3422
3423static char *bc_calc(char *str)
3424{
3425 char buf[128], *tmp;
3426 FILE *f;
3427 int ret;
3428
3429 /*
3430 * No math, just return string
3431 */
3432 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3433 !strchr(str, '/')) || strchr(str, '\''))
3434 return str;
3435
3436 /*
3437 * Split option from value, we only need to calculate the value
3438 */
3439 tmp = strchr(str, '=');
3440 if (!tmp)
3441 return str;
3442
3443 tmp++;
3444
3445 /*
3446 * Prevent buffer overflows; such a case isn't reasonable anyway
3447 */
3448 if (strlen(str) >= 128 || strlen(tmp) > 100)
3449 return str;
3450
3451 sprintf(buf, "which %s > /dev/null", BC_APP);
3452 if (system(buf)) {
3453 log_err("fio: bc is needed for performing math\n");
3454 return NULL;
3455 }
3456
3457 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
3458 f = popen(buf, "r");
3459 if (!f) {
3460 return NULL;
3461 }
3462
3463 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
3464 if (ret <= 0) {
3465 return NULL;
3466 }
3467
3468 pclose(f);
3469 buf[(tmp - str) + ret - 1] = '\0';
3470 memcpy(buf, str, tmp - str);
3471 free(str);
3472 return strdup(buf);
3473}
3474
3475/*
3476 * Return a copy of the input string with substrings of the form ${VARNAME}
3477 * substituted with the value of the environment variable VARNAME. The
3478 * substitution always occurs, even if VARNAME is empty or the corresponding
3479 * environment variable undefined.
3480 */
3481static char *option_dup_subs(const char *opt)
3482{
3483 char out[OPT_LEN_MAX+1];
3484 char in[OPT_LEN_MAX+1];
3485 char *outptr = out;
3486 char *inptr = in;
3487 char *ch1, *ch2, *env;
3488 ssize_t nchr = OPT_LEN_MAX;
3489 size_t envlen;
3490
3491 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3492 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3493 return NULL;
3494 }
3495
3496 in[OPT_LEN_MAX] = '\0';
3497 strncpy(in, opt, OPT_LEN_MAX);
3498
3499 while (*inptr && nchr > 0) {
3500 if (inptr[0] == '$' && inptr[1] == '{') {
3501 ch2 = strchr(inptr, '}');
3502 if (ch2 && inptr+1 < ch2) {
3503 ch1 = inptr+2;
3504 inptr = ch2+1;
3505 *ch2 = '\0';
3506
3507 env = getenv(ch1);
3508 if (env) {
3509 envlen = strlen(env);
3510 if (envlen <= nchr) {
3511 memcpy(outptr, env, envlen);
3512 outptr += envlen;
3513 nchr -= envlen;
3514 }
3515 }
3516
3517 continue;
3518 }
3519 }
3520
3521 *outptr++ = *inptr++;
3522 --nchr;
3523 }
3524
3525 *outptr = '\0';
3526 return strdup(out);
3527}
3528
3529/*
3530 * Look for reserved variable names and replace them with real values
3531 */
3532static char *fio_keyword_replace(char *opt)
3533{
3534 char *s;
3535 int i;
3536 int docalc = 0;
3537
3538 for (i = 0; fio_keywords[i].word != NULL; i++) {
3539 struct fio_keyword *kw = &fio_keywords[i];
3540
3541 while ((s = strstr(opt, kw->word)) != NULL) {
3542 char *new = malloc(strlen(opt) + 1);
3543 char *o_org = opt;
3544 int olen = s - opt;
3545 int len;
3546
3547 /*
3548 * Copy part of the string before the keyword and
3549 * sprintf() the replacement after it.
3550 */
3551 memcpy(new, opt, olen);
3552 len = sprintf(new + olen, "%s", kw->replace);
3553
3554 /*
3555 * If there's more in the original string, copy that
3556 * in too
3557 */
3558 opt += strlen(kw->word) + olen;
3559 if (strlen(opt))
3560 memcpy(new + olen + len, opt, opt - o_org - 1);
3561
3562 /*
3563 * replace opt and free the old opt
3564 */
3565 opt = new;
3566 free(o_org);
3567
3568 docalc = 1;
3569 }
3570 }
3571
3572 /*
3573 * Check for potential math and invoke bc, if possible
3574 */
3575 if (docalc)
3576 opt = bc_calc(opt);
3577
3578 return opt;
3579}
3580
3581static char **dup_and_sub_options(char **opts, int num_opts)
3582{
3583 int i;
3584 char **opts_copy = malloc(num_opts * sizeof(*opts));
3585 for (i = 0; i < num_opts; i++) {
3586 opts_copy[i] = option_dup_subs(opts[i]);
3587 if (!opts_copy[i])
3588 continue;
3589 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3590 }
3591 return opts_copy;
3592}
3593
3594int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
3595{
3596 int i, ret, unknown;
3597 char **opts_copy;
3598
3599 sort_options(opts, fio_options, num_opts);
3600 opts_copy = dup_and_sub_options(opts, num_opts);
3601
3602 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3603 struct fio_option *o;
3604 int newret = parse_option(opts_copy[i], opts[i], fio_options,
3605 &o, td);
3606
3607 if (opts_copy[i]) {
3608 if (newret && !o) {
3609 unknown++;
3610 continue;
3611 }
3612 free(opts_copy[i]);
3613 opts_copy[i] = NULL;
3614 }
3615
3616 ret |= newret;
3617 }
3618
3619 if (unknown) {
3620 ret |= ioengine_load(td);
3621 if (td->eo) {
3622 sort_options(opts_copy, td->io_ops->options, num_opts);
3623 opts = opts_copy;
3624 }
3625 for (i = 0; i < num_opts; i++) {
3626 struct fio_option *o = NULL;
3627 int newret = 1;
3628 if (!opts_copy[i])
3629 continue;
3630
3631 if (td->eo)
3632 newret = parse_option(opts_copy[i], opts[i],
3633 td->io_ops->options, &o,
3634 td->eo);
3635
3636 ret |= newret;
3637 if (!o)
3638 log_err("Bad option <%s>\n", opts[i]);
3639
3640 free(opts_copy[i]);
3641 opts_copy[i] = NULL;
3642 }
3643 }
3644
3645 free(opts_copy);
3646 return ret;
3647}
3648
3649int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3650{
3651 return parse_cmd_option(opt, val, fio_options, td);
3652}
3653
3654int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3655 char *val)
3656{
3657 return parse_cmd_option(opt, val, td->io_ops->options, td);
3658}
3659
3660void fio_fill_default_options(struct thread_data *td)
3661{
3662 fill_default_options(td, fio_options);
3663}
3664
3665int fio_show_option_help(const char *opt)
3666{
3667 return show_cmd_help(fio_options, opt);
3668}
3669
3670void options_mem_dupe(void *data, struct fio_option *options)
3671{
3672 struct fio_option *o;
3673 char **ptr;
3674
3675 for (o = &options[0]; o->name; o++) {
3676 if (o->type != FIO_OPT_STR_STORE)
3677 continue;
3678
3679 ptr = td_var(data, o->off1);
3680 if (*ptr)
3681 *ptr = strdup(*ptr);
3682 }
3683}
3684
3685/*
3686 * dupe FIO_OPT_STR_STORE options
3687 */
3688void fio_options_mem_dupe(struct thread_data *td)
3689{
3690 options_mem_dupe(&td->o, fio_options);
3691
3692 if (td->eo && td->io_ops) {
3693 void *oldeo = td->eo;
3694
3695 td->eo = malloc(td->io_ops->option_struct_size);
3696 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3697 options_mem_dupe(td->eo, td->io_ops->options);
3698 }
3699}
3700
3701unsigned int fio_get_kb_base(void *data)
3702{
3703 struct thread_data *td = data;
3704 unsigned int kb_base = 0;
3705
3706 if (td)
3707 kb_base = td->o.kb_base;
3708 if (!kb_base)
3709 kb_base = 1024;
3710
3711 return kb_base;
3712}
3713
3714int add_option(struct fio_option *o)
3715{
3716 struct fio_option *__o;
3717 int opt_index = 0;
3718
3719 __o = fio_options;
3720 while (__o->name) {
3721 opt_index++;
3722 __o++;
3723 }
3724
3725 memcpy(&fio_options[opt_index], o, sizeof(*o));
3726 return 0;
3727}
3728
3729void invalidate_profile_options(const char *prof_name)
3730{
3731 struct fio_option *o;
3732
3733 o = fio_options;
3734 while (o->name) {
3735 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
3736 o->type = FIO_OPT_INVALID;
3737 o->prof_name = NULL;
3738 }
3739 o++;
3740 }
3741}
3742
3743void add_opt_posval(const char *optname, const char *ival, const char *help)
3744{
3745 struct fio_option *o;
3746 unsigned int i;
3747
3748 o = find_option(fio_options, optname);
3749 if (!o)
3750 return;
3751
3752 for (i = 0; i < PARSE_MAX_VP; i++) {
3753 if (o->posval[i].ival)
3754 continue;
3755
3756 o->posval[i].ival = ival;
3757 o->posval[i].help = help;
3758 break;
3759 }
3760}
3761
3762void del_opt_posval(const char *optname, const char *ival)
3763{
3764 struct fio_option *o;
3765 unsigned int i;
3766
3767 o = find_option(fio_options, optname);
3768 if (!o)
3769 return;
3770
3771 for (i = 0; i < PARSE_MAX_VP; i++) {
3772 if (!o->posval[i].ival)
3773 continue;
3774 if (strcmp(o->posval[i].ival, ival))
3775 continue;
3776
3777 o->posval[i].ival = NULL;
3778 o->posval[i].help = NULL;
3779 }
3780}
3781
3782void fio_options_free(struct thread_data *td)
3783{
3784 options_free(fio_options, td);
3785 if (td->eo && td->io_ops && td->io_ops->options) {
3786 options_free(td->io_ops->options, td->eo);
3787 free(td->eo);
3788 td->eo = NULL;
3789 }
3790}
fio - Flexible IO Tester