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td_verror() needs errno style error
[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_options *o, int ddir, char *str)
65{
66 struct bssplit *bssplit;
67 unsigned int i, perc, perc_missing;
68 unsigned int max_bs, min_bs;
69 long long val;
70 char *fname;
71
72 o->bssplit_nr[ddir] = 4;
73 bssplit = malloc(4 * sizeof(struct bssplit));
74
75 i = 0;
76 max_bs = 0;
77 min_bs = -1;
78 while ((fname = strsep(&str, ":")) != NULL) {
79 char *perc_str;
80
81 if (!strlen(fname))
82 break;
83
84 /*
85 * grow struct buffer, if needed
86 */
87 if (i == o->bssplit_nr[ddir]) {
88 o->bssplit_nr[ddir] <<= 1;
89 bssplit = realloc(bssplit, o->bssplit_nr[ddir]
90 * sizeof(struct bssplit));
91 }
92
93 perc_str = strstr(fname, "/");
94 if (perc_str) {
95 *perc_str = '\0';
96 perc_str++;
97 perc = atoi(perc_str);
98 if (perc > 100)
99 perc = 100;
100 else if (!perc)
101 perc = -1;
102 } else
103 perc = -1;
104
105 if (str_to_decimal(fname, &val, 1, o, 0)) {
106 log_err("fio: bssplit conversion failed\n");
107 free(bssplit);
108 return 1;
109 }
110
111 if (val > max_bs)
112 max_bs = val;
113 if (val < min_bs)
114 min_bs = val;
115
116 bssplit[i].bs = val;
117 bssplit[i].perc = perc;
118 i++;
119 }
120
121 o->bssplit_nr[ddir] = i;
122
123 /*
124 * Now check if the percentages add up, and how much is missing
125 */
126 perc = perc_missing = 0;
127 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
128 struct bssplit *bsp = &bssplit[i];
129
130 if (bsp->perc == (unsigned char) -1)
131 perc_missing++;
132 else
133 perc += bsp->perc;
134 }
135
136 if (perc > 100) {
137 log_err("fio: bssplit percentages add to more than 100%%\n");
138 free(bssplit);
139 return 1;
140 }
141 /*
142 * If values didn't have a percentage set, divide the remains between
143 * them.
144 */
145 if (perc_missing) {
146 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
147 struct bssplit *bsp = &bssplit[i];
148
149 if (bsp->perc == (unsigned char) -1)
150 bsp->perc = (100 - perc) / perc_missing;
151 }
152 }
153
154 o->min_bs[ddir] = min_bs;
155 o->max_bs[ddir] = max_bs;
156
157 /*
158 * now sort based on percentages, for ease of lookup
159 */
160 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
161 o->bssplit[ddir] = bssplit;
162 return 0;
163}
164
165static int str_bssplit_cb(void *data, const char *input)
166{
167 struct thread_data *td = data;
168 char *str, *p, *odir, *ddir;
169 int ret = 0;
170
171 if (parse_dryrun())
172 return 0;
173
174 p = str = strdup(input);
175
176 strip_blank_front(&str);
177 strip_blank_end(str);
178
179 odir = strchr(str, ',');
180 if (odir) {
181 ddir = strchr(odir + 1, ',');
182 if (ddir) {
183 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1);
184 if (!ret)
185 *ddir = '\0';
186 } else {
187 char *op;
188
189 op = strdup(odir + 1);
190 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
191
192 free(op);
193 }
194 if (!ret)
195 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1);
196 if (!ret) {
197 *odir = '\0';
198 ret = bssplit_ddir(&td->o, DDIR_READ, str);
199 }
200 } else {
201 char *op;
202
203 op = strdup(str);
204 ret = bssplit_ddir(&td->o, DDIR_WRITE, op);
205 free(op);
206
207 if (!ret) {
208 op = strdup(str);
209 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
210 free(op);
211 }
212 ret = bssplit_ddir(&td->o, DDIR_READ, str);
213 }
214
215 free(p);
216 return ret;
217}
218
219static int str2error(char *str)
220{
221 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
222 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
223 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
224 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
225 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
226 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
227 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
228 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
229 int i = 0, num = sizeof(err) / sizeof(void *);
230
231 while (i < num) {
232 if (!strcmp(err[i], str))
233 return i + 1;
234 i++;
235 }
236 return 0;
237}
238
239static int ignore_error_type(struct thread_data *td, int etype, char *str)
240{
241 unsigned int i;
242 int *error;
243 char *fname;
244
245 if (etype >= ERROR_TYPE_CNT) {
246 log_err("Illegal error type\n");
247 return 1;
248 }
249
250 td->o.ignore_error_nr[etype] = 4;
251 error = malloc(4 * sizeof(struct bssplit));
252
253 i = 0;
254 while ((fname = strsep(&str, ":")) != NULL) {
255
256 if (!strlen(fname))
257 break;
258
259 /*
260 * grow struct buffer, if needed
261 */
262 if (i == td->o.ignore_error_nr[etype]) {
263 td->o.ignore_error_nr[etype] <<= 1;
264 error = realloc(error, td->o.ignore_error_nr[etype]
265 * sizeof(int));
266 }
267 if (fname[0] == 'E') {
268 error[i] = str2error(fname);
269 } else {
270 error[i] = atoi(fname);
271 if (error[i] < 0)
272 error[i] = -error[i];
273 }
274 if (!error[i]) {
275 log_err("Unknown error %s, please use number value \n",
276 fname);
277 free(error);
278 return 1;
279 }
280 i++;
281 }
282 if (i) {
283 td->o.continue_on_error |= 1 << etype;
284 td->o.ignore_error_nr[etype] = i;
285 td->o.ignore_error[etype] = error;
286 } else
287 free(error);
288
289 return 0;
290
291}
292
293static int str_ignore_error_cb(void *data, const char *input)
294{
295 struct thread_data *td = data;
296 char *str, *p, *n;
297 int type = 0, ret = 1;
298
299 if (parse_dryrun())
300 return 0;
301
302 p = str = strdup(input);
303
304 strip_blank_front(&str);
305 strip_blank_end(str);
306
307 while (p) {
308 n = strchr(p, ',');
309 if (n)
310 *n++ = '\0';
311 ret = ignore_error_type(td, type, p);
312 if (ret)
313 break;
314 p = n;
315 type++;
316 }
317 free(str);
318 return ret;
319}
320
321static int str_rw_cb(void *data, const char *str)
322{
323 struct thread_data *td = data;
324 struct thread_options *o = &td->o;
325 char *nr;
326
327 if (parse_dryrun())
328 return 0;
329
330 o->ddir_seq_nr = 1;
331 o->ddir_seq_add = 0;
332
333 nr = get_opt_postfix(str);
334 if (!nr)
335 return 0;
336
337 if (td_random(td))
338 o->ddir_seq_nr = atoi(nr);
339 else {
340 long long val;
341
342 if (str_to_decimal(nr, &val, 1, o, 0)) {
343 log_err("fio: rw postfix parsing failed\n");
344 free(nr);
345 return 1;
346 }
347
348 o->ddir_seq_add = val;
349 }
350
351 free(nr);
352 return 0;
353}
354
355static int str_mem_cb(void *data, const char *mem)
356{
357 struct thread_data *td = data;
358
359 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
360 td->o.mmapfile = get_opt_postfix(mem);
361
362 return 0;
363}
364
365static int fio_clock_source_cb(void *data, const char *str)
366{
367 struct thread_data *td = data;
368
369 fio_clock_source = td->o.clocksource;
370 fio_clock_source_set = 1;
371 fio_clock_init();
372 return 0;
373}
374
375static int str_rwmix_read_cb(void *data, unsigned long long *val)
376{
377 struct thread_data *td = data;
378
379 td->o.rwmix[DDIR_READ] = *val;
380 td->o.rwmix[DDIR_WRITE] = 100 - *val;
381 return 0;
382}
383
384static int str_rwmix_write_cb(void *data, unsigned long long *val)
385{
386 struct thread_data *td = data;
387
388 td->o.rwmix[DDIR_WRITE] = *val;
389 td->o.rwmix[DDIR_READ] = 100 - *val;
390 return 0;
391}
392
393static int str_exitall_cb(void)
394{
395 exitall_on_terminate = 1;
396 return 0;
397}
398
399#ifdef FIO_HAVE_CPU_AFFINITY
400int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
401{
402 unsigned int i, index, cpus_in_mask;
403 const long max_cpu = cpus_online();
404
405 cpus_in_mask = fio_cpu_count(mask);
406 cpu_index = cpu_index % cpus_in_mask;
407
408 index = 0;
409 for (i = 0; i < max_cpu; i++) {
410 if (!fio_cpu_isset(mask, i))
411 continue;
412
413 if (cpu_index != index)
414 fio_cpu_clear(mask, i);
415
416 index++;
417 }
418
419 return fio_cpu_count(mask);
420}
421
422static int str_cpumask_cb(void *data, unsigned long long *val)
423{
424 struct thread_data *td = data;
425 unsigned int i;
426 long max_cpu;
427 int ret;
428
429 if (parse_dryrun())
430 return 0;
431
432 ret = fio_cpuset_init(&td->o.cpumask);
433 if (ret < 0) {
434 log_err("fio: cpuset_init failed\n");
435 td_verror(td, ret, "fio_cpuset_init");
436 return 1;
437 }
438
439 max_cpu = cpus_online();
440
441 for (i = 0; i < sizeof(int) * 8; i++) {
442 if ((1 << i) & *val) {
443 if (i > max_cpu) {
444 log_err("fio: CPU %d too large (max=%ld)\n", i,
445 max_cpu);
446 return 1;
447 }
448 dprint(FD_PARSE, "set cpu allowed %d\n", i);
449 fio_cpu_set(&td->o.cpumask, i);
450 }
451 }
452
453 td->o.cpumask_set = 1;
454 return 0;
455}
456
457static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
458 const char *input)
459{
460 char *cpu, *str, *p;
461 long max_cpu;
462 int ret = 0;
463
464 ret = fio_cpuset_init(mask);
465 if (ret < 0) {
466 log_err("fio: cpuset_init failed\n");
467 td_verror(td, ret, "fio_cpuset_init");
468 return 1;
469 }
470
471 p = str = strdup(input);
472
473 strip_blank_front(&str);
474 strip_blank_end(str);
475
476 max_cpu = cpus_online();
477
478 while ((cpu = strsep(&str, ",")) != NULL) {
479 char *str2, *cpu2;
480 int icpu, icpu2;
481
482 if (!strlen(cpu))
483 break;
484
485 str2 = cpu;
486 icpu2 = -1;
487 while ((cpu2 = strsep(&str2, "-")) != NULL) {
488 if (!strlen(cpu2))
489 break;
490
491 icpu2 = atoi(cpu2);
492 }
493
494 icpu = atoi(cpu);
495 if (icpu2 == -1)
496 icpu2 = icpu;
497 while (icpu <= icpu2) {
498 if (icpu >= FIO_MAX_CPUS) {
499 log_err("fio: your OS only supports up to"
500 " %d CPUs\n", (int) FIO_MAX_CPUS);
501 ret = 1;
502 break;
503 }
504 if (icpu > max_cpu) {
505 log_err("fio: CPU %d too large (max=%ld)\n",
506 icpu, max_cpu);
507 ret = 1;
508 break;
509 }
510
511 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
512 fio_cpu_set(mask, icpu);
513 icpu++;
514 }
515 if (ret)
516 break;
517 }
518
519 free(p);
520 if (!ret)
521 td->o.cpumask_set = 1;
522 return ret;
523}
524
525static int str_cpus_allowed_cb(void *data, const char *input)
526{
527 struct thread_data *td = data;
528 int ret;
529
530 if (parse_dryrun())
531 return 0;
532
533 ret = set_cpus_allowed(td, &td->o.cpumask, input);
534 if (!ret)
535 td->o.cpumask_set = 1;
536
537 return ret;
538}
539
540static int str_verify_cpus_allowed_cb(void *data, const char *input)
541{
542 struct thread_data *td = data;
543 int ret;
544
545 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
546 if (!ret)
547 td->o.verify_cpumask_set = 1;
548
549 return ret;
550}
551#endif
552
553#ifdef CONFIG_LIBNUMA
554static int str_numa_cpunodes_cb(void *data, char *input)
555{
556 struct thread_data *td = data;
557
558 if (parse_dryrun())
559 return 0;
560
561 /* numa_parse_nodestring() parses a character string list
562 * of nodes into a bit mask. The bit mask is allocated by
563 * numa_allocate_nodemask(), so it should be freed by
564 * numa_free_nodemask().
565 */
566 td->o.numa_cpunodesmask = numa_parse_nodestring(input);
567 if (td->o.numa_cpunodesmask == NULL) {
568 log_err("fio: numa_parse_nodestring failed\n");
569 td_verror(td, 1, "str_numa_cpunodes_cb");
570 return 1;
571 }
572
573 td->o.numa_cpumask_set = 1;
574 return 0;
575}
576
577static int str_numa_mpol_cb(void *data, char *input)
578{
579 struct thread_data *td = data;
580 const char * const policy_types[] =
581 { "default", "prefer", "bind", "interleave", "local", NULL };
582 int i;
583 char *nodelist;
584
585 if (parse_dryrun())
586 return 0;
587
588 nodelist = strchr(input, ':');
589 if (nodelist) {
590 /* NUL-terminate mode */
591 *nodelist++ = '\0';
592 }
593
594 for (i = 0; i <= MPOL_LOCAL; i++) {
595 if (!strcmp(input, policy_types[i])) {
596 td->o.numa_mem_mode = i;
597 break;
598 }
599 }
600 if (i > MPOL_LOCAL) {
601 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
602 goto out;
603 }
604
605 switch (td->o.numa_mem_mode) {
606 case MPOL_PREFERRED:
607 /*
608 * Insist on a nodelist of one node only
609 */
610 if (nodelist) {
611 char *rest = nodelist;
612 while (isdigit(*rest))
613 rest++;
614 if (*rest) {
615 log_err("fio: one node only for \'prefer\'\n");
616 goto out;
617 }
618 } else {
619 log_err("fio: one node is needed for \'prefer\'\n");
620 goto out;
621 }
622 break;
623 case MPOL_INTERLEAVE:
624 /*
625 * Default to online nodes with memory if no nodelist
626 */
627 if (!nodelist)
628 nodelist = strdup("all");
629 break;
630 case MPOL_LOCAL:
631 case MPOL_DEFAULT:
632 /*
633 * Don't allow a nodelist
634 */
635 if (nodelist) {
636 log_err("fio: NO nodelist for \'local\'\n");
637 goto out;
638 }
639 break;
640 case MPOL_BIND:
641 /*
642 * Insist on a nodelist
643 */
644 if (!nodelist) {
645 log_err("fio: a nodelist is needed for \'bind\'\n");
646 goto out;
647 }
648 break;
649 }
650
651
652 /* numa_parse_nodestring() parses a character string list
653 * of nodes into a bit mask. The bit mask is allocated by
654 * numa_allocate_nodemask(), so it should be freed by
655 * numa_free_nodemask().
656 */
657 switch (td->o.numa_mem_mode) {
658 case MPOL_PREFERRED:
659 td->o.numa_mem_prefer_node = atoi(nodelist);
660 break;
661 case MPOL_INTERLEAVE:
662 case MPOL_BIND:
663 td->o.numa_memnodesmask = numa_parse_nodestring(nodelist);
664 if (td->o.numa_memnodesmask == NULL) {
665 log_err("fio: numa_parse_nodestring failed\n");
666 td_verror(td, 1, "str_numa_memnodes_cb");
667 return 1;
668 }
669 break;
670 case MPOL_LOCAL:
671 case MPOL_DEFAULT:
672 default:
673 break;
674 }
675
676 td->o.numa_memmask_set = 1;
677 return 0;
678
679out:
680 return 1;
681}
682#endif
683
684static int str_fst_cb(void *data, const char *str)
685{
686 struct thread_data *td = data;
687 char *nr = get_opt_postfix(str);
688
689 td->file_service_nr = 1;
690 if (nr) {
691 td->file_service_nr = atoi(nr);
692 free(nr);
693 }
694
695 return 0;
696}
697
698#ifdef CONFIG_SYNC_FILE_RANGE
699static int str_sfr_cb(void *data, const char *str)
700{
701 struct thread_data *td = data;
702 char *nr = get_opt_postfix(str);
703
704 td->sync_file_range_nr = 1;
705 if (nr) {
706 td->sync_file_range_nr = atoi(nr);
707 free(nr);
708 }
709
710 return 0;
711}
712#endif
713
714static int str_random_distribution_cb(void *data, const char *str)
715{
716 struct thread_data *td = data;
717 double val;
718 char *nr;
719
720 if (parse_dryrun())
721 return 0;
722
723 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
724 val = 1.1;
725 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
726 val = 0.2;
727 else
728 return 0;
729
730 nr = get_opt_postfix(str);
731 if (nr && !str_to_float(nr, &val)) {
732 log_err("fio: random postfix parsing failed\n");
733 free(nr);
734 return 1;
735 }
736
737 free(nr);
738
739 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
740 if (val == 1.00) {
741 log_err("fio: zipf theta must different than 1.0\n");
742 return 1;
743 }
744 td->o.zipf_theta.u.f = val;
745 } else {
746 if (val <= 0.00 || val >= 1.00) {
747 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
748 return 1;
749 }
750 td->o.pareto_h.u.f = val;
751 }
752
753 return 0;
754}
755
756/*
757 * Return next name in the string. Files are separated with ':'. If the ':'
758 * is escaped with a '\', then that ':' is part of the filename and does not
759 * indicate a new file.
760 */
761static char *get_next_name(char **ptr)
762{
763 char *str = *ptr;
764 char *p, *start;
765
766 if (!str || !strlen(str))
767 return NULL;
768
769 start = str;
770 do {
771 /*
772 * No colon, we are done
773 */
774 p = strchr(str, ':');
775 if (!p) {
776 *ptr = NULL;
777 break;
778 }
779
780 /*
781 * We got a colon, but it's the first character. Skip and
782 * continue
783 */
784 if (p == start) {
785 str = ++start;
786 continue;
787 }
788
789 if (*(p - 1) != '\\') {
790 *p = '\0';
791 *ptr = p + 1;
792 break;
793 }
794
795 memmove(p - 1, p, strlen(p) + 1);
796 str = p;
797 } while (1);
798
799 return start;
800}
801
802
803static int get_max_name_idx(char *input)
804{
805 unsigned int cur_idx;
806 char *str, *p;
807
808 p = str = strdup(input);
809 for (cur_idx = 0; ; cur_idx++)
810 if (get_next_name(&str) == NULL)
811 break;
812
813 free(p);
814 return cur_idx;
815}
816
817/*
818 * Returns the directory at the index, indexes > entires will be
819 * assigned via modulo division of the index
820 */
821int set_name_idx(char *target, char *input, int index)
822{
823 unsigned int cur_idx;
824 int len;
825 char *fname, *str, *p;
826
827 p = str = strdup(input);
828
829 index %= get_max_name_idx(input);
830 for (cur_idx = 0; cur_idx <= index; cur_idx++)
831 fname = get_next_name(&str);
832
833 len = sprintf(target, "%s/", fname);
834 free(p);
835
836 return len;
837}
838
839static int str_filename_cb(void *data, const char *input)
840{
841 struct thread_data *td = data;
842 char *fname, *str, *p;
843
844 p = str = strdup(input);
845
846 strip_blank_front(&str);
847 strip_blank_end(str);
848
849 if (!td->files_index)
850 td->o.nr_files = 0;
851
852 while ((fname = get_next_name(&str)) != NULL) {
853 if (!strlen(fname))
854 break;
855 add_file(td, fname, 0, 1);
856 }
857
858 free(p);
859 return 0;
860}
861
862static int str_directory_cb(void *data, const char fio_unused *unused)
863{
864 struct thread_data *td = data;
865 struct stat sb;
866 char *dirname, *str, *p;
867 int ret = 0;
868
869 if (parse_dryrun())
870 return 0;
871
872 p = str = strdup(td->o.directory);
873 while ((dirname = get_next_name(&str)) != NULL) {
874 if (lstat(dirname, &sb) < 0) {
875 ret = errno;
876
877 log_err("fio: %s is not a directory\n", dirname);
878 td_verror(td, ret, "lstat");
879 goto out;
880 }
881 if (!S_ISDIR(sb.st_mode)) {
882 log_err("fio: %s is not a directory\n", dirname);
883 ret = 1;
884 goto out;
885 }
886 }
887
888out:
889 free(p);
890 return ret;
891}
892
893static int str_lockfile_cb(void *data, const char fio_unused *str)
894{
895 struct thread_data *td = data;
896
897 if (td->files_index) {
898 log_err("fio: lockfile= option must precede filename=\n");
899 return 1;
900 }
901
902 return 0;
903}
904
905static int str_opendir_cb(void *data, const char fio_unused *str)
906{
907 struct thread_data *td = data;
908
909 if (parse_dryrun())
910 return 0;
911
912 if (!td->files_index)
913 td->o.nr_files = 0;
914
915 return add_dir_files(td, td->o.opendir);
916}
917
918static int pattern_cb(char *pattern, unsigned int max_size,
919 const char *input, unsigned int *pattern_bytes)
920{
921 long off;
922 int i = 0, j = 0, len, k, base = 10;
923 uint32_t pattern_length;
924 char *loc1, *loc2;
925
926 loc1 = strstr(input, "0x");
927 loc2 = strstr(input, "0X");
928 if (loc1 || loc2)
929 base = 16;
930 off = strtol(input, NULL, base);
931 if (off != LONG_MAX || errno != ERANGE) {
932 while (off) {
933 pattern[i] = off & 0xff;
934 off >>= 8;
935 i++;
936 }
937 } else {
938 len = strlen(input);
939 k = len - 1;
940 if (base == 16) {
941 if (loc1)
942 j = loc1 - input + 2;
943 else
944 j = loc2 - input + 2;
945 } else
946 return 1;
947 if (len - j < max_size * 2) {
948 while (k >= j) {
949 off = converthexchartoint(input[k--]);
950 if (k >= j)
951 off += (converthexchartoint(input[k--])
952 * 16);
953 pattern[i++] = (char) off;
954 }
955 }
956 }
957
958 /*
959 * Fill the pattern all the way to the end. This greatly reduces
960 * the number of memcpy's we have to do when verifying the IO.
961 */
962 pattern_length = i;
963 while (i > 1 && i * 2 <= max_size) {
964 memcpy(&pattern[i], &pattern[0], i);
965 i *= 2;
966 }
967
968 /*
969 * Fill remainder, if the pattern multiple ends up not being
970 * max_size.
971 */
972 while (i > 1 && i < max_size) {
973 unsigned int b = min(pattern_length, max_size - i);
974
975 memcpy(&pattern[i], &pattern[0], b);
976 i += b;
977 }
978
979 if (i == 1) {
980 /*
981 * The code in verify_io_u_pattern assumes a single byte pattern
982 * fills the whole verify pattern buffer.
983 */
984 memset(pattern, pattern[0], max_size);
985 }
986
987 *pattern_bytes = i;
988 return 0;
989}
990
991static int str_buffer_pattern_cb(void *data, const char *input)
992{
993 struct thread_data *td = data;
994 int ret;
995
996 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
997 &td->o.buffer_pattern_bytes);
998
999 if (!ret) {
1000 td->o.refill_buffers = 0;
1001 td->o.scramble_buffers = 0;
1002 td->o.zero_buffers = 0;
1003 }
1004
1005 return ret;
1006}
1007
1008static int str_buffer_compress_cb(void *data, unsigned long long *il)
1009{
1010 struct thread_data *td = data;
1011
1012 td->flags |= TD_F_COMPRESS;
1013 td->o.compress_percentage = *il;
1014 return 0;
1015}
1016
1017static int str_verify_pattern_cb(void *data, const char *input)
1018{
1019 struct thread_data *td = data;
1020 int ret;
1021
1022 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1023 &td->o.verify_pattern_bytes);
1024
1025 /*
1026 * VERIFY_META could already be set
1027 */
1028 if (!ret && td->o.verify == VERIFY_NONE)
1029 td->o.verify = VERIFY_PATTERN;
1030
1031 return ret;
1032}
1033
1034static int str_gtod_reduce_cb(void *data, int *il)
1035{
1036 struct thread_data *td = data;
1037 int val = *il;
1038
1039 td->o.disable_lat = !!val;
1040 td->o.disable_clat = !!val;
1041 td->o.disable_slat = !!val;
1042 td->o.disable_bw = !!val;
1043 td->o.clat_percentiles = !val;
1044 if (val)
1045 td->tv_cache_mask = 63;
1046
1047 return 0;
1048}
1049
1050static int str_gtod_cpu_cb(void *data, long long *il)
1051{
1052 struct thread_data *td = data;
1053 int val = *il;
1054
1055 td->o.gtod_cpu = val;
1056 td->o.gtod_offload = 1;
1057 return 0;
1058}
1059
1060static int str_size_cb(void *data, unsigned long long *__val)
1061{
1062 struct thread_data *td = data;
1063 unsigned long long v = *__val;
1064
1065 if (parse_is_percent(v)) {
1066 td->o.size = 0;
1067 td->o.size_percent = -1ULL - v;
1068 } else
1069 td->o.size = v;
1070
1071 return 0;
1072}
1073
1074static int rw_verify(struct fio_option *o, void *data)
1075{
1076 struct thread_data *td = data;
1077
1078 if (read_only && td_write(td)) {
1079 log_err("fio: job <%s> has write bit set, but fio is in"
1080 " read-only mode\n", td->o.name);
1081 return 1;
1082 }
1083
1084 return 0;
1085}
1086
1087static int gtod_cpu_verify(struct fio_option *o, void *data)
1088{
1089#ifndef FIO_HAVE_CPU_AFFINITY
1090 struct thread_data *td = data;
1091
1092 if (td->o.gtod_cpu) {
1093 log_err("fio: platform must support CPU affinity for"
1094 "gettimeofday() offloading\n");
1095 return 1;
1096 }
1097#endif
1098
1099 return 0;
1100}
1101
1102/*
1103 * Option grouping
1104 */
1105static struct opt_group fio_opt_groups[] = {
1106 {
1107 .name = "General",
1108 .mask = FIO_OPT_C_GENERAL,
1109 },
1110 {
1111 .name = "I/O",
1112 .mask = FIO_OPT_C_IO,
1113 },
1114 {
1115 .name = "File",
1116 .mask = FIO_OPT_C_FILE,
1117 },
1118 {
1119 .name = "Statistics",
1120 .mask = FIO_OPT_C_STAT,
1121 },
1122 {
1123 .name = "Logging",
1124 .mask = FIO_OPT_C_LOG,
1125 },
1126 {
1127 .name = "Profiles",
1128 .mask = FIO_OPT_C_PROFILE,
1129 },
1130 {
1131 .name = NULL,
1132 },
1133};
1134
1135static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1136 unsigned int inv_mask)
1137{
1138 struct opt_group *og;
1139 int i;
1140
1141 if (*mask == inv_mask || !*mask)
1142 return NULL;
1143
1144 for (i = 0; ogs[i].name; i++) {
1145 og = &ogs[i];
1146
1147 if (*mask & og->mask) {
1148 *mask &= ~(og->mask);
1149 return og;
1150 }
1151 }
1152
1153 return NULL;
1154}
1155
1156struct opt_group *opt_group_from_mask(unsigned int *mask)
1157{
1158 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1159}
1160
1161static struct opt_group fio_opt_cat_groups[] = {
1162 {
1163 .name = "Latency profiling",
1164 .mask = FIO_OPT_G_LATPROF,
1165 },
1166 {
1167 .name = "Rate",
1168 .mask = FIO_OPT_G_RATE,
1169 },
1170 {
1171 .name = "Zone",
1172 .mask = FIO_OPT_G_ZONE,
1173 },
1174 {
1175 .name = "Read/write mix",
1176 .mask = FIO_OPT_G_RWMIX,
1177 },
1178 {
1179 .name = "Verify",
1180 .mask = FIO_OPT_G_VERIFY,
1181 },
1182 {
1183 .name = "Trim",
1184 .mask = FIO_OPT_G_TRIM,
1185 },
1186 {
1187 .name = "I/O Logging",
1188 .mask = FIO_OPT_G_IOLOG,
1189 },
1190 {
1191 .name = "I/O Depth",
1192 .mask = FIO_OPT_G_IO_DEPTH,
1193 },
1194 {
1195 .name = "I/O Flow",
1196 .mask = FIO_OPT_G_IO_FLOW,
1197 },
1198 {
1199 .name = "Description",
1200 .mask = FIO_OPT_G_DESC,
1201 },
1202 {
1203 .name = "Filename",
1204 .mask = FIO_OPT_G_FILENAME,
1205 },
1206 {
1207 .name = "General I/O",
1208 .mask = FIO_OPT_G_IO_BASIC,
1209 },
1210 {
1211 .name = "Cgroups",
1212 .mask = FIO_OPT_G_CGROUP,
1213 },
1214 {
1215 .name = "Runtime",
1216 .mask = FIO_OPT_G_RUNTIME,
1217 },
1218 {
1219 .name = "Process",
1220 .mask = FIO_OPT_G_PROCESS,
1221 },
1222 {
1223 .name = "Job credentials / priority",
1224 .mask = FIO_OPT_G_CRED,
1225 },
1226 {
1227 .name = "Clock settings",
1228 .mask = FIO_OPT_G_CLOCK,
1229 },
1230 {
1231 .name = "I/O Type",
1232 .mask = FIO_OPT_G_IO_TYPE,
1233 },
1234 {
1235 .name = "I/O Thinktime",
1236 .mask = FIO_OPT_G_THINKTIME,
1237 },
1238 {
1239 .name = "Randomizations",
1240 .mask = FIO_OPT_G_RANDOM,
1241 },
1242 {
1243 .name = "I/O buffers",
1244 .mask = FIO_OPT_G_IO_BUF,
1245 },
1246 {
1247 .name = "Tiobench profile",
1248 .mask = FIO_OPT_G_TIOBENCH,
1249 },
1250
1251 {
1252 .name = NULL,
1253 }
1254};
1255
1256struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
1257{
1258 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
1259}
1260
1261/*
1262 * Map of job/command line options
1263 */
1264struct fio_option fio_options[FIO_MAX_OPTS] = {
1265 {
1266 .name = "description",
1267 .lname = "Description of job",
1268 .type = FIO_OPT_STR_STORE,
1269 .off1 = td_var_offset(description),
1270 .help = "Text job description",
1271 .category = FIO_OPT_C_GENERAL,
1272 .group = FIO_OPT_G_DESC,
1273 },
1274 {
1275 .name = "name",
1276 .lname = "Job name",
1277 .type = FIO_OPT_STR_STORE,
1278 .off1 = td_var_offset(name),
1279 .help = "Name of this job",
1280 .category = FIO_OPT_C_GENERAL,
1281 .group = FIO_OPT_G_DESC,
1282 },
1283 {
1284 .name = "filename",
1285 .lname = "Filename(s)",
1286 .type = FIO_OPT_STR_STORE,
1287 .off1 = td_var_offset(filename),
1288 .cb = str_filename_cb,
1289 .prio = -1, /* must come after "directory" */
1290 .help = "File(s) to use for the workload",
1291 .category = FIO_OPT_C_FILE,
1292 .group = FIO_OPT_G_FILENAME,
1293 },
1294 {
1295 .name = "directory",
1296 .lname = "Directory",
1297 .type = FIO_OPT_STR_STORE,
1298 .off1 = td_var_offset(directory),
1299 .cb = str_directory_cb,
1300 .help = "Directory to store files in",
1301 .category = FIO_OPT_C_FILE,
1302 .group = FIO_OPT_G_FILENAME,
1303 },
1304 {
1305 .name = "filename_format",
1306 .type = FIO_OPT_STR_STORE,
1307 .off1 = td_var_offset(filename_format),
1308 .prio = -1, /* must come after "directory" */
1309 .help = "Override default $jobname.$jobnum.$filenum naming",
1310 .def = "$jobname.$jobnum.$filenum",
1311 .category = FIO_OPT_C_FILE,
1312 .group = FIO_OPT_G_FILENAME,
1313 },
1314 {
1315 .name = "lockfile",
1316 .lname = "Lockfile",
1317 .type = FIO_OPT_STR,
1318 .off1 = td_var_offset(file_lock_mode),
1319 .help = "Lock file when doing IO to it",
1320 .prio = 1,
1321 .parent = "filename",
1322 .hide = 0,
1323 .def = "none",
1324 .cb = str_lockfile_cb,
1325 .category = FIO_OPT_C_FILE,
1326 .group = FIO_OPT_G_FILENAME,
1327 .posval = {
1328 { .ival = "none",
1329 .oval = FILE_LOCK_NONE,
1330 .help = "No file locking",
1331 },
1332 { .ival = "exclusive",
1333 .oval = FILE_LOCK_EXCLUSIVE,
1334 .help = "Exclusive file lock",
1335 },
1336 {
1337 .ival = "readwrite",
1338 .oval = FILE_LOCK_READWRITE,
1339 .help = "Read vs write lock",
1340 },
1341 },
1342 },
1343 {
1344 .name = "opendir",
1345 .lname = "Open directory",
1346 .type = FIO_OPT_STR_STORE,
1347 .off1 = td_var_offset(opendir),
1348 .cb = str_opendir_cb,
1349 .help = "Recursively add files from this directory and down",
1350 .category = FIO_OPT_C_FILE,
1351 .group = FIO_OPT_G_FILENAME,
1352 },
1353 {
1354 .name = "rw",
1355 .lname = "Read/write",
1356 .alias = "readwrite",
1357 .type = FIO_OPT_STR,
1358 .cb = str_rw_cb,
1359 .off1 = td_var_offset(td_ddir),
1360 .help = "IO direction",
1361 .def = "read",
1362 .verify = rw_verify,
1363 .category = FIO_OPT_C_IO,
1364 .group = FIO_OPT_G_IO_BASIC,
1365 .posval = {
1366 { .ival = "read",
1367 .oval = TD_DDIR_READ,
1368 .help = "Sequential read",
1369 },
1370 { .ival = "write",
1371 .oval = TD_DDIR_WRITE,
1372 .help = "Sequential write",
1373 },
1374 { .ival = "trim",
1375 .oval = TD_DDIR_TRIM,
1376 .help = "Sequential trim",
1377 },
1378 { .ival = "randread",
1379 .oval = TD_DDIR_RANDREAD,
1380 .help = "Random read",
1381 },
1382 { .ival = "randwrite",
1383 .oval = TD_DDIR_RANDWRITE,
1384 .help = "Random write",
1385 },
1386 { .ival = "randtrim",
1387 .oval = TD_DDIR_RANDTRIM,
1388 .help = "Random trim",
1389 },
1390 { .ival = "rw",
1391 .oval = TD_DDIR_RW,
1392 .help = "Sequential read and write mix",
1393 },
1394 { .ival = "readwrite",
1395 .oval = TD_DDIR_RW,
1396 .help = "Sequential read and write mix",
1397 },
1398 { .ival = "randrw",
1399 .oval = TD_DDIR_RANDRW,
1400 .help = "Random read and write mix"
1401 },
1402 },
1403 },
1404 {
1405 .name = "rw_sequencer",
1406 .lname = "RW Sequencer",
1407 .type = FIO_OPT_STR,
1408 .off1 = td_var_offset(rw_seq),
1409 .help = "IO offset generator modifier",
1410 .def = "sequential",
1411 .category = FIO_OPT_C_IO,
1412 .group = FIO_OPT_G_IO_BASIC,
1413 .posval = {
1414 { .ival = "sequential",
1415 .oval = RW_SEQ_SEQ,
1416 .help = "Generate sequential offsets",
1417 },
1418 { .ival = "identical",
1419 .oval = RW_SEQ_IDENT,
1420 .help = "Generate identical offsets",
1421 },
1422 },
1423 },
1424
1425 {
1426 .name = "ioengine",
1427 .lname = "IO Engine",
1428 .type = FIO_OPT_STR_STORE,
1429 .off1 = td_var_offset(ioengine),
1430 .help = "IO engine to use",
1431 .def = FIO_PREFERRED_ENGINE,
1432 .category = FIO_OPT_C_IO,
1433 .group = FIO_OPT_G_IO_BASIC,
1434 .posval = {
1435 { .ival = "sync",
1436 .help = "Use read/write",
1437 },
1438 { .ival = "psync",
1439 .help = "Use pread/pwrite",
1440 },
1441 { .ival = "vsync",
1442 .help = "Use readv/writev",
1443 },
1444#ifdef CONFIG_PWRITEV
1445 { .ival = "pvsync",
1446 .help = "Use preadv/pwritev",
1447 },
1448#endif
1449#ifdef CONFIG_LIBAIO
1450 { .ival = "libaio",
1451 .help = "Linux native asynchronous IO",
1452 },
1453#endif
1454#ifdef CONFIG_POSIXAIO
1455 { .ival = "posixaio",
1456 .help = "POSIX asynchronous IO",
1457 },
1458#endif
1459#ifdef CONFIG_SOLARISAIO
1460 { .ival = "solarisaio",
1461 .help = "Solaris native asynchronous IO",
1462 },
1463#endif
1464#ifdef CONFIG_WINDOWSAIO
1465 { .ival = "windowsaio",
1466 .help = "Windows native asynchronous IO"
1467 },
1468#endif
1469#ifdef CONFIG_RBD
1470 { .ival = "rbd",
1471 .help = "Rados Block Device asynchronous IO"
1472 },
1473#endif
1474 { .ival = "mmap",
1475 .help = "Memory mapped IO"
1476 },
1477#ifdef CONFIG_LINUX_SPLICE
1478 { .ival = "splice",
1479 .help = "splice/vmsplice based IO",
1480 },
1481 { .ival = "netsplice",
1482 .help = "splice/vmsplice to/from the network",
1483 },
1484#endif
1485#ifdef FIO_HAVE_SGIO
1486 { .ival = "sg",
1487 .help = "SCSI generic v3 IO",
1488 },
1489#endif
1490 { .ival = "null",
1491 .help = "Testing engine (no data transfer)",
1492 },
1493 { .ival = "net",
1494 .help = "Network IO",
1495 },
1496 { .ival = "cpuio",
1497 .help = "CPU cycle burner engine",
1498 },
1499#ifdef CONFIG_GUASI
1500 { .ival = "guasi",
1501 .help = "GUASI IO engine",
1502 },
1503#endif
1504#ifdef FIO_HAVE_BINJECT
1505 { .ival = "binject",
1506 .help = "binject direct inject block engine",
1507 },
1508#endif
1509#ifdef CONFIG_RDMA
1510 { .ival = "rdma",
1511 .help = "RDMA IO engine",
1512 },
1513#endif
1514#ifdef CONFIG_FUSION_AW
1515 { .ival = "fusion-aw-sync",
1516 .help = "Fusion-io atomic write engine",
1517 },
1518#endif
1519#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1520 { .ival = "e4defrag",
1521 .help = "ext4 defrag engine",
1522 },
1523#endif
1524#ifdef CONFIG_LINUX_FALLOCATE
1525 { .ival = "falloc",
1526 .help = "fallocate() file based engine",
1527 },
1528#endif
1529 { .ival = "external",
1530 .help = "Load external engine (append name)",
1531 },
1532 },
1533 },
1534 {
1535 .name = "iodepth",
1536 .lname = "IO Depth",
1537 .type = FIO_OPT_INT,
1538 .off1 = td_var_offset(iodepth),
1539 .help = "Number of IO buffers to keep in flight",
1540 .minval = 1,
1541 .interval = 1,
1542 .def = "1",
1543 .category = FIO_OPT_C_IO,
1544 .group = FIO_OPT_G_IO_BASIC,
1545 },
1546 {
1547 .name = "iodepth_batch",
1548 .lname = "IO Depth batch",
1549 .alias = "iodepth_batch_submit",
1550 .type = FIO_OPT_INT,
1551 .off1 = td_var_offset(iodepth_batch),
1552 .help = "Number of IO buffers to submit in one go",
1553 .parent = "iodepth",
1554 .hide = 1,
1555 .minval = 1,
1556 .interval = 1,
1557 .def = "1",
1558 .category = FIO_OPT_C_IO,
1559 .group = FIO_OPT_G_IO_BASIC,
1560 },
1561 {
1562 .name = "iodepth_batch_complete",
1563 .lname = "IO Depth batch complete",
1564 .type = FIO_OPT_INT,
1565 .off1 = td_var_offset(iodepth_batch_complete),
1566 .help = "Number of IO buffers to retrieve in one go",
1567 .parent = "iodepth",
1568 .hide = 1,
1569 .minval = 0,
1570 .interval = 1,
1571 .def = "1",
1572 .category = FIO_OPT_C_IO,
1573 .group = FIO_OPT_G_IO_BASIC,
1574 },
1575 {
1576 .name = "iodepth_low",
1577 .lname = "IO Depth batch low",
1578 .type = FIO_OPT_INT,
1579 .off1 = td_var_offset(iodepth_low),
1580 .help = "Low water mark for queuing depth",
1581 .parent = "iodepth",
1582 .hide = 1,
1583 .interval = 1,
1584 .category = FIO_OPT_C_IO,
1585 .group = FIO_OPT_G_IO_BASIC,
1586 },
1587 {
1588 .name = "size",
1589 .lname = "Size",
1590 .type = FIO_OPT_STR_VAL,
1591 .cb = str_size_cb,
1592 .help = "Total size of device or files",
1593 .interval = 1024 * 1024,
1594 .category = FIO_OPT_C_IO,
1595 .group = FIO_OPT_G_INVALID,
1596 },
1597 {
1598 .name = "fill_device",
1599 .lname = "Fill device",
1600 .alias = "fill_fs",
1601 .type = FIO_OPT_BOOL,
1602 .off1 = td_var_offset(fill_device),
1603 .help = "Write until an ENOSPC error occurs",
1604 .def = "0",
1605 .category = FIO_OPT_C_FILE,
1606 .group = FIO_OPT_G_INVALID,
1607 },
1608 {
1609 .name = "filesize",
1610 .lname = "File size",
1611 .type = FIO_OPT_STR_VAL,
1612 .off1 = td_var_offset(file_size_low),
1613 .off2 = td_var_offset(file_size_high),
1614 .minval = 1,
1615 .help = "Size of individual files",
1616 .interval = 1024 * 1024,
1617 .category = FIO_OPT_C_FILE,
1618 .group = FIO_OPT_G_INVALID,
1619 },
1620 {
1621 .name = "file_append",
1622 .lname = "File append",
1623 .type = FIO_OPT_BOOL,
1624 .off1 = td_var_offset(file_append),
1625 .help = "IO will start at the end of the file(s)",
1626 .def = "0",
1627 .category = FIO_OPT_C_FILE,
1628 .group = FIO_OPT_G_INVALID,
1629 },
1630 {
1631 .name = "offset",
1632 .lname = "IO offset",
1633 .alias = "fileoffset",
1634 .type = FIO_OPT_STR_VAL,
1635 .off1 = td_var_offset(start_offset),
1636 .help = "Start IO from this offset",
1637 .def = "0",
1638 .interval = 1024 * 1024,
1639 .category = FIO_OPT_C_IO,
1640 .group = FIO_OPT_G_INVALID,
1641 },
1642 {
1643 .name = "offset_increment",
1644 .lname = "IO offset increment",
1645 .type = FIO_OPT_STR_VAL,
1646 .off1 = td_var_offset(offset_increment),
1647 .help = "What is the increment from one offset to the next",
1648 .parent = "offset",
1649 .hide = 1,
1650 .def = "0",
1651 .interval = 1024 * 1024,
1652 .category = FIO_OPT_C_IO,
1653 .group = FIO_OPT_G_INVALID,
1654 },
1655 {
1656 .name = "number_ios",
1657 .lname = "Number of IOs to perform",
1658 .type = FIO_OPT_STR_VAL,
1659 .off1 = td_var_offset(number_ios),
1660 .help = "Force job completion of this number of IOs",
1661 .def = "0",
1662 .category = FIO_OPT_C_IO,
1663 .group = FIO_OPT_G_INVALID,
1664 },
1665 {
1666 .name = "bs",
1667 .lname = "Block size",
1668 .alias = "blocksize",
1669 .type = FIO_OPT_INT,
1670 .off1 = td_var_offset(bs[DDIR_READ]),
1671 .off2 = td_var_offset(bs[DDIR_WRITE]),
1672 .off3 = td_var_offset(bs[DDIR_TRIM]),
1673 .minval = 1,
1674 .help = "Block size unit",
1675 .def = "4k",
1676 .parent = "rw",
1677 .hide = 1,
1678 .interval = 512,
1679 .category = FIO_OPT_C_IO,
1680 .group = FIO_OPT_G_INVALID,
1681 },
1682 {
1683 .name = "ba",
1684 .lname = "Block size align",
1685 .alias = "blockalign",
1686 .type = FIO_OPT_INT,
1687 .off1 = td_var_offset(ba[DDIR_READ]),
1688 .off2 = td_var_offset(ba[DDIR_WRITE]),
1689 .off3 = td_var_offset(ba[DDIR_TRIM]),
1690 .minval = 1,
1691 .help = "IO block offset alignment",
1692 .parent = "rw",
1693 .hide = 1,
1694 .interval = 512,
1695 .category = FIO_OPT_C_IO,
1696 .group = FIO_OPT_G_INVALID,
1697 },
1698 {
1699 .name = "bsrange",
1700 .lname = "Block size range",
1701 .alias = "blocksize_range",
1702 .type = FIO_OPT_RANGE,
1703 .off1 = td_var_offset(min_bs[DDIR_READ]),
1704 .off2 = td_var_offset(max_bs[DDIR_READ]),
1705 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1706 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1707 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1708 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1709 .minval = 1,
1710 .help = "Set block size range (in more detail than bs)",
1711 .parent = "rw",
1712 .hide = 1,
1713 .interval = 4096,
1714 .category = FIO_OPT_C_IO,
1715 .group = FIO_OPT_G_INVALID,
1716 },
1717 {
1718 .name = "bssplit",
1719 .lname = "Block size split",
1720 .type = FIO_OPT_STR,
1721 .cb = str_bssplit_cb,
1722 .help = "Set a specific mix of block sizes",
1723 .parent = "rw",
1724 .hide = 1,
1725 .category = FIO_OPT_C_IO,
1726 .group = FIO_OPT_G_INVALID,
1727 },
1728 {
1729 .name = "bs_unaligned",
1730 .lname = "Block size unaligned",
1731 .alias = "blocksize_unaligned",
1732 .type = FIO_OPT_STR_SET,
1733 .off1 = td_var_offset(bs_unaligned),
1734 .help = "Don't sector align IO buffer sizes",
1735 .parent = "rw",
1736 .hide = 1,
1737 .category = FIO_OPT_C_IO,
1738 .group = FIO_OPT_G_INVALID,
1739 },
1740 {
1741 .name = "bs_is_seq_rand",
1742 .lname = "Block size division is seq/random (not read/write)",
1743 .type = FIO_OPT_BOOL,
1744 .off1 = td_var_offset(bs_is_seq_rand),
1745 .help = "Consider any blocksize setting to be sequential,ramdom",
1746 .def = "0",
1747 .parent = "blocksize",
1748 .category = FIO_OPT_C_IO,
1749 .group = FIO_OPT_G_INVALID,
1750 },
1751 {
1752 .name = "randrepeat",
1753 .lname = "Random repeatable",
1754 .type = FIO_OPT_BOOL,
1755 .off1 = td_var_offset(rand_repeatable),
1756 .help = "Use repeatable random IO pattern",
1757 .def = "1",
1758 .parent = "rw",
1759 .hide = 1,
1760 .category = FIO_OPT_C_IO,
1761 .group = FIO_OPT_G_RANDOM,
1762 },
1763 {
1764 .name = "randseed",
1765 .lname = "The random generator seed",
1766 .type = FIO_OPT_STR_VAL,
1767 .off1 = td_var_offset(rand_seed),
1768 .help = "Set the random generator seed value",
1769 .parent = "rw",
1770 .category = FIO_OPT_C_IO,
1771 .group = FIO_OPT_G_RANDOM,
1772 },
1773 {
1774 .name = "use_os_rand",
1775 .lname = "Use OS random",
1776 .type = FIO_OPT_BOOL,
1777 .off1 = td_var_offset(use_os_rand),
1778 .help = "Set to use OS random generator",
1779 .def = "0",
1780 .parent = "rw",
1781 .hide = 1,
1782 .category = FIO_OPT_C_IO,
1783 .group = FIO_OPT_G_RANDOM,
1784 },
1785 {
1786 .name = "norandommap",
1787 .lname = "No randommap",
1788 .type = FIO_OPT_STR_SET,
1789 .off1 = td_var_offset(norandommap),
1790 .help = "Accept potential duplicate random blocks",
1791 .parent = "rw",
1792 .hide = 1,
1793 .hide_on_set = 1,
1794 .category = FIO_OPT_C_IO,
1795 .group = FIO_OPT_G_RANDOM,
1796 },
1797 {
1798 .name = "softrandommap",
1799 .lname = "Soft randommap",
1800 .type = FIO_OPT_BOOL,
1801 .off1 = td_var_offset(softrandommap),
1802 .help = "Set norandommap if randommap allocation fails",
1803 .parent = "norandommap",
1804 .hide = 1,
1805 .def = "0",
1806 .category = FIO_OPT_C_IO,
1807 .group = FIO_OPT_G_RANDOM,
1808 },
1809 {
1810 .name = "random_generator",
1811 .type = FIO_OPT_STR,
1812 .off1 = td_var_offset(random_generator),
1813 .help = "Type of random number generator to use",
1814 .def = "tausworthe",
1815 .posval = {
1816 { .ival = "tausworthe",
1817 .oval = FIO_RAND_GEN_TAUSWORTHE,
1818 .help = "Strong Tausworthe generator",
1819 },
1820 { .ival = "lfsr",
1821 .oval = FIO_RAND_GEN_LFSR,
1822 .help = "Variable length LFSR",
1823 },
1824 },
1825 .category = FIO_OPT_C_IO,
1826 .group = FIO_OPT_G_RANDOM,
1827 },
1828 {
1829 .name = "random_distribution",
1830 .type = FIO_OPT_STR,
1831 .off1 = td_var_offset(random_distribution),
1832 .cb = str_random_distribution_cb,
1833 .help = "Random offset distribution generator",
1834 .def = "random",
1835 .posval = {
1836 { .ival = "random",
1837 .oval = FIO_RAND_DIST_RANDOM,
1838 .help = "Completely random",
1839 },
1840 { .ival = "zipf",
1841 .oval = FIO_RAND_DIST_ZIPF,
1842 .help = "Zipf distribution",
1843 },
1844 { .ival = "pareto",
1845 .oval = FIO_RAND_DIST_PARETO,
1846 .help = "Pareto distribution",
1847 },
1848 },
1849 .category = FIO_OPT_C_IO,
1850 .group = FIO_OPT_G_RANDOM,
1851 },
1852 {
1853 .name = "percentage_random",
1854 .lname = "Percentage Random",
1855 .type = FIO_OPT_INT,
1856 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1857 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1858 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
1859 .maxval = 100,
1860 .help = "Percentage of seq/random mix that should be random",
1861 .def = "100,100,100",
1862 .interval = 5,
1863 .inverse = "percentage_sequential",
1864 .category = FIO_OPT_C_IO,
1865 .group = FIO_OPT_G_RANDOM,
1866 },
1867 {
1868 .name = "percentage_sequential",
1869 .lname = "Percentage Sequential",
1870 .type = FIO_OPT_DEPRECATED,
1871 .category = FIO_OPT_C_IO,
1872 .group = FIO_OPT_G_RANDOM,
1873 },
1874 {
1875 .name = "allrandrepeat",
1876 .type = FIO_OPT_BOOL,
1877 .off1 = td_var_offset(allrand_repeatable),
1878 .help = "Use repeatable random numbers for everything",
1879 .def = "0",
1880 .category = FIO_OPT_C_IO,
1881 .group = FIO_OPT_G_RANDOM,
1882 },
1883 {
1884 .name = "nrfiles",
1885 .lname = "Number of files",
1886 .alias = "nr_files",
1887 .type = FIO_OPT_INT,
1888 .off1 = td_var_offset(nr_files),
1889 .help = "Split job workload between this number of files",
1890 .def = "1",
1891 .interval = 1,
1892 .category = FIO_OPT_C_FILE,
1893 .group = FIO_OPT_G_INVALID,
1894 },
1895 {
1896 .name = "openfiles",
1897 .lname = "Number of open files",
1898 .type = FIO_OPT_INT,
1899 .off1 = td_var_offset(open_files),
1900 .help = "Number of files to keep open at the same time",
1901 .category = FIO_OPT_C_FILE,
1902 .group = FIO_OPT_G_INVALID,
1903 },
1904 {
1905 .name = "file_service_type",
1906 .lname = "File service type",
1907 .type = FIO_OPT_STR,
1908 .cb = str_fst_cb,
1909 .off1 = td_var_offset(file_service_type),
1910 .help = "How to select which file to service next",
1911 .def = "roundrobin",
1912 .category = FIO_OPT_C_FILE,
1913 .group = FIO_OPT_G_INVALID,
1914 .posval = {
1915 { .ival = "random",
1916 .oval = FIO_FSERVICE_RANDOM,
1917 .help = "Choose a file at random",
1918 },
1919 { .ival = "roundrobin",
1920 .oval = FIO_FSERVICE_RR,
1921 .help = "Round robin select files",
1922 },
1923 { .ival = "sequential",
1924 .oval = FIO_FSERVICE_SEQ,
1925 .help = "Finish one file before moving to the next",
1926 },
1927 },
1928 .parent = "nrfiles",
1929 .hide = 1,
1930 },
1931#ifdef CONFIG_POSIX_FALLOCATE
1932 {
1933 .name = "fallocate",
1934 .lname = "Fallocate",
1935 .type = FIO_OPT_STR,
1936 .off1 = td_var_offset(fallocate_mode),
1937 .help = "Whether pre-allocation is performed when laying out files",
1938 .def = "posix",
1939 .category = FIO_OPT_C_FILE,
1940 .group = FIO_OPT_G_INVALID,
1941 .posval = {
1942 { .ival = "none",
1943 .oval = FIO_FALLOCATE_NONE,
1944 .help = "Do not pre-allocate space",
1945 },
1946 { .ival = "posix",
1947 .oval = FIO_FALLOCATE_POSIX,
1948 .help = "Use posix_fallocate()",
1949 },
1950#ifdef CONFIG_LINUX_FALLOCATE
1951 { .ival = "keep",
1952 .oval = FIO_FALLOCATE_KEEP_SIZE,
1953 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1954 },
1955#endif
1956 /* Compatibility with former boolean values */
1957 { .ival = "0",
1958 .oval = FIO_FALLOCATE_NONE,
1959 .help = "Alias for 'none'",
1960 },
1961 { .ival = "1",
1962 .oval = FIO_FALLOCATE_POSIX,
1963 .help = "Alias for 'posix'",
1964 },
1965 },
1966 },
1967#endif /* CONFIG_POSIX_FALLOCATE */
1968 {
1969 .name = "fadvise_hint",
1970 .lname = "Fadvise hint",
1971 .type = FIO_OPT_BOOL,
1972 .off1 = td_var_offset(fadvise_hint),
1973 .help = "Use fadvise() to advise the kernel on IO pattern",
1974 .def = "1",
1975 .category = FIO_OPT_C_FILE,
1976 .group = FIO_OPT_G_INVALID,
1977 },
1978 {
1979 .name = "fsync",
1980 .lname = "Fsync",
1981 .type = FIO_OPT_INT,
1982 .off1 = td_var_offset(fsync_blocks),
1983 .help = "Issue fsync for writes every given number of blocks",
1984 .def = "0",
1985 .interval = 1,
1986 .category = FIO_OPT_C_FILE,
1987 .group = FIO_OPT_G_INVALID,
1988 },
1989 {
1990 .name = "fdatasync",
1991 .lname = "Fdatasync",
1992 .type = FIO_OPT_INT,
1993 .off1 = td_var_offset(fdatasync_blocks),
1994 .help = "Issue fdatasync for writes every given number of blocks",
1995 .def = "0",
1996 .interval = 1,
1997 .category = FIO_OPT_C_FILE,
1998 .group = FIO_OPT_G_INVALID,
1999 },
2000 {
2001 .name = "write_barrier",
2002 .lname = "Write barrier",
2003 .type = FIO_OPT_INT,
2004 .off1 = td_var_offset(barrier_blocks),
2005 .help = "Make every Nth write a barrier write",
2006 .def = "0",
2007 .interval = 1,
2008 .category = FIO_OPT_C_IO,
2009 .group = FIO_OPT_G_INVALID,
2010 },
2011#ifdef CONFIG_SYNC_FILE_RANGE
2012 {
2013 .name = "sync_file_range",
2014 .lname = "Sync file range",
2015 .posval = {
2016 { .ival = "wait_before",
2017 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2018 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
2019 .orval = 1,
2020 },
2021 { .ival = "write",
2022 .oval = SYNC_FILE_RANGE_WRITE,
2023 .help = "SYNC_FILE_RANGE_WRITE",
2024 .orval = 1,
2025 },
2026 {
2027 .ival = "wait_after",
2028 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2029 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
2030 .orval = 1,
2031 },
2032 },
2033 .type = FIO_OPT_STR_MULTI,
2034 .cb = str_sfr_cb,
2035 .off1 = td_var_offset(sync_file_range),
2036 .help = "Use sync_file_range()",
2037 .category = FIO_OPT_C_FILE,
2038 .group = FIO_OPT_G_INVALID,
2039 },
2040#endif
2041 {
2042 .name = "direct",
2043 .lname = "Direct I/O",
2044 .type = FIO_OPT_BOOL,
2045 .off1 = td_var_offset(odirect),
2046 .help = "Use O_DIRECT IO (negates buffered)",
2047 .def = "0",
2048 .inverse = "buffered",
2049 .category = FIO_OPT_C_IO,
2050 .group = FIO_OPT_G_IO_TYPE,
2051 },
2052 {
2053 .name = "atomic",
2054 .lname = "Atomic I/O",
2055 .type = FIO_OPT_BOOL,
2056 .off1 = td_var_offset(oatomic),
2057 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2058 .def = "0",
2059 .category = FIO_OPT_C_IO,
2060 .group = FIO_OPT_G_IO_TYPE,
2061 },
2062 {
2063 .name = "buffered",
2064 .lname = "Buffered I/O",
2065 .type = FIO_OPT_BOOL,
2066 .off1 = td_var_offset(odirect),
2067 .neg = 1,
2068 .help = "Use buffered IO (negates direct)",
2069 .def = "1",
2070 .inverse = "direct",
2071 .category = FIO_OPT_C_IO,
2072 .group = FIO_OPT_G_IO_TYPE,
2073 },
2074 {
2075 .name = "overwrite",
2076 .lname = "Overwrite",
2077 .type = FIO_OPT_BOOL,
2078 .off1 = td_var_offset(overwrite),
2079 .help = "When writing, set whether to overwrite current data",
2080 .def = "0",
2081 .category = FIO_OPT_C_FILE,
2082 .group = FIO_OPT_G_INVALID,
2083 },
2084 {
2085 .name = "loops",
2086 .lname = "Loops",
2087 .type = FIO_OPT_INT,
2088 .off1 = td_var_offset(loops),
2089 .help = "Number of times to run the job",
2090 .def = "1",
2091 .interval = 1,
2092 .category = FIO_OPT_C_GENERAL,
2093 .group = FIO_OPT_G_RUNTIME,
2094 },
2095 {
2096 .name = "numjobs",
2097 .lname = "Number of jobs",
2098 .type = FIO_OPT_INT,
2099 .off1 = td_var_offset(numjobs),
2100 .help = "Duplicate this job this many times",
2101 .def = "1",
2102 .interval = 1,
2103 .category = FIO_OPT_C_GENERAL,
2104 .group = FIO_OPT_G_RUNTIME,
2105 },
2106 {
2107 .name = "startdelay",
2108 .lname = "Start delay",
2109 .type = FIO_OPT_STR_VAL_TIME,
2110 .off1 = td_var_offset(start_delay),
2111 .off2 = td_var_offset(start_delay_high),
2112 .help = "Only start job when this period has passed",
2113 .def = "0",
2114 .is_seconds = 1,
2115 .category = FIO_OPT_C_GENERAL,
2116 .group = FIO_OPT_G_RUNTIME,
2117 },
2118 {
2119 .name = "runtime",
2120 .lname = "Runtime",
2121 .alias = "timeout",
2122 .type = FIO_OPT_STR_VAL_TIME,
2123 .off1 = td_var_offset(timeout),
2124 .help = "Stop workload when this amount of time has passed",
2125 .def = "0",
2126 .is_seconds = 1,
2127 .category = FIO_OPT_C_GENERAL,
2128 .group = FIO_OPT_G_RUNTIME,
2129 },
2130 {
2131 .name = "time_based",
2132 .lname = "Time based",
2133 .type = FIO_OPT_STR_SET,
2134 .off1 = td_var_offset(time_based),
2135 .help = "Keep running until runtime/timeout is met",
2136 .category = FIO_OPT_C_GENERAL,
2137 .group = FIO_OPT_G_RUNTIME,
2138 },
2139 {
2140 .name = "verify_only",
2141 .lname = "Verify only",
2142 .type = FIO_OPT_STR_SET,
2143 .off1 = td_var_offset(verify_only),
2144 .help = "Verifies previously written data is still valid",
2145 .category = FIO_OPT_C_GENERAL,
2146 .group = FIO_OPT_G_RUNTIME,
2147 },
2148 {
2149 .name = "ramp_time",
2150 .lname = "Ramp time",
2151 .type = FIO_OPT_STR_VAL_TIME,
2152 .off1 = td_var_offset(ramp_time),
2153 .help = "Ramp up time before measuring performance",
2154 .is_seconds = 1,
2155 .category = FIO_OPT_C_GENERAL,
2156 .group = FIO_OPT_G_RUNTIME,
2157 },
2158 {
2159 .name = "clocksource",
2160 .lname = "Clock source",
2161 .type = FIO_OPT_STR,
2162 .cb = fio_clock_source_cb,
2163 .off1 = td_var_offset(clocksource),
2164 .help = "What type of timing source to use",
2165 .category = FIO_OPT_C_GENERAL,
2166 .group = FIO_OPT_G_CLOCK,
2167 .posval = {
2168#ifdef CONFIG_GETTIMEOFDAY
2169 { .ival = "gettimeofday",
2170 .oval = CS_GTOD,
2171 .help = "Use gettimeofday(2) for timing",
2172 },
2173#endif
2174#ifdef CONFIG_CLOCK_GETTIME
2175 { .ival = "clock_gettime",
2176 .oval = CS_CGETTIME,
2177 .help = "Use clock_gettime(2) for timing",
2178 },
2179#endif
2180#ifdef ARCH_HAVE_CPU_CLOCK
2181 { .ival = "cpu",
2182 .oval = CS_CPUCLOCK,
2183 .help = "Use CPU private clock",
2184 },
2185#endif
2186 },
2187 },
2188 {
2189 .name = "mem",
2190 .alias = "iomem",
2191 .lname = "I/O Memory",
2192 .type = FIO_OPT_STR,
2193 .cb = str_mem_cb,
2194 .off1 = td_var_offset(mem_type),
2195 .help = "Backing type for IO buffers",
2196 .def = "malloc",
2197 .category = FIO_OPT_C_IO,
2198 .group = FIO_OPT_G_INVALID,
2199 .posval = {
2200 { .ival = "malloc",
2201 .oval = MEM_MALLOC,
2202 .help = "Use malloc(3) for IO buffers",
2203 },
2204 { .ival = "shm",
2205 .oval = MEM_SHM,
2206 .help = "Use shared memory segments for IO buffers",
2207 },
2208#ifdef FIO_HAVE_HUGETLB
2209 { .ival = "shmhuge",
2210 .oval = MEM_SHMHUGE,
2211 .help = "Like shm, but use huge pages",
2212 },
2213#endif
2214 { .ival = "mmap",
2215 .oval = MEM_MMAP,
2216 .help = "Use mmap(2) (file or anon) for IO buffers",
2217 },
2218#ifdef FIO_HAVE_HUGETLB
2219 { .ival = "mmaphuge",
2220 .oval = MEM_MMAPHUGE,
2221 .help = "Like mmap, but use huge pages",
2222 },
2223#endif
2224 },
2225 },
2226 {
2227 .name = "iomem_align",
2228 .alias = "mem_align",
2229 .lname = "I/O memory alignment",
2230 .type = FIO_OPT_INT,
2231 .off1 = td_var_offset(mem_align),
2232 .minval = 0,
2233 .help = "IO memory buffer offset alignment",
2234 .def = "0",
2235 .parent = "iomem",
2236 .hide = 1,
2237 .category = FIO_OPT_C_IO,
2238 .group = FIO_OPT_G_INVALID,
2239 },
2240 {
2241 .name = "verify",
2242 .lname = "Verify",
2243 .type = FIO_OPT_STR,
2244 .off1 = td_var_offset(verify),
2245 .help = "Verify data written",
2246 .def = "0",
2247 .category = FIO_OPT_C_IO,
2248 .group = FIO_OPT_G_VERIFY,
2249 .posval = {
2250 { .ival = "0",
2251 .oval = VERIFY_NONE,
2252 .help = "Don't do IO verification",
2253 },
2254 { .ival = "md5",
2255 .oval = VERIFY_MD5,
2256 .help = "Use md5 checksums for verification",
2257 },
2258 { .ival = "crc64",
2259 .oval = VERIFY_CRC64,
2260 .help = "Use crc64 checksums for verification",
2261 },
2262 { .ival = "crc32",
2263 .oval = VERIFY_CRC32,
2264 .help = "Use crc32 checksums for verification",
2265 },
2266 { .ival = "crc32c-intel",
2267 .oval = VERIFY_CRC32C,
2268 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2269 },
2270 { .ival = "crc32c",
2271 .oval = VERIFY_CRC32C,
2272 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2273 },
2274 { .ival = "crc16",
2275 .oval = VERIFY_CRC16,
2276 .help = "Use crc16 checksums for verification",
2277 },
2278 { .ival = "crc7",
2279 .oval = VERIFY_CRC7,
2280 .help = "Use crc7 checksums for verification",
2281 },
2282 { .ival = "sha1",
2283 .oval = VERIFY_SHA1,
2284 .help = "Use sha1 checksums for verification",
2285 },
2286 { .ival = "sha256",
2287 .oval = VERIFY_SHA256,
2288 .help = "Use sha256 checksums for verification",
2289 },
2290 { .ival = "sha512",
2291 .oval = VERIFY_SHA512,
2292 .help = "Use sha512 checksums for verification",
2293 },
2294 { .ival = "xxhash",
2295 .oval = VERIFY_XXHASH,
2296 .help = "Use xxhash checksums for verification",
2297 },
2298 { .ival = "meta",
2299 .oval = VERIFY_META,
2300 .help = "Use io information",
2301 },
2302 {
2303 .ival = "null",
2304 .oval = VERIFY_NULL,
2305 .help = "Pretend to verify",
2306 },
2307 },
2308 },
2309 {
2310 .name = "do_verify",
2311 .lname = "Perform verify step",
2312 .type = FIO_OPT_BOOL,
2313 .off1 = td_var_offset(do_verify),
2314 .help = "Run verification stage after write",
2315 .def = "1",
2316 .parent = "verify",
2317 .hide = 1,
2318 .category = FIO_OPT_C_IO,
2319 .group = FIO_OPT_G_VERIFY,
2320 },
2321 {
2322 .name = "verifysort",
2323 .lname = "Verify sort",
2324 .type = FIO_OPT_BOOL,
2325 .off1 = td_var_offset(verifysort),
2326 .help = "Sort written verify blocks for read back",
2327 .def = "1",
2328 .parent = "verify",
2329 .hide = 1,
2330 .category = FIO_OPT_C_IO,
2331 .group = FIO_OPT_G_VERIFY,
2332 },
2333 {
2334 .name = "verifysort_nr",
2335 .type = FIO_OPT_INT,
2336 .off1 = td_var_offset(verifysort_nr),
2337 .help = "Pre-load and sort verify blocks for a read workload",
2338 .minval = 0,
2339 .maxval = 131072,
2340 .def = "1024",
2341 .parent = "verify",
2342 .category = FIO_OPT_C_IO,
2343 .group = FIO_OPT_G_VERIFY,
2344 },
2345 {
2346 .name = "verify_interval",
2347 .lname = "Verify interval",
2348 .type = FIO_OPT_INT,
2349 .off1 = td_var_offset(verify_interval),
2350 .minval = 2 * sizeof(struct verify_header),
2351 .help = "Store verify buffer header every N bytes",
2352 .parent = "verify",
2353 .hide = 1,
2354 .interval = 2 * sizeof(struct verify_header),
2355 .category = FIO_OPT_C_IO,
2356 .group = FIO_OPT_G_VERIFY,
2357 },
2358 {
2359 .name = "verify_offset",
2360 .lname = "Verify offset",
2361 .type = FIO_OPT_INT,
2362 .help = "Offset verify header location by N bytes",
2363 .off1 = td_var_offset(verify_offset),
2364 .minval = sizeof(struct verify_header),
2365 .parent = "verify",
2366 .hide = 1,
2367 .category = FIO_OPT_C_IO,
2368 .group = FIO_OPT_G_VERIFY,
2369 },
2370 {
2371 .name = "verify_pattern",
2372 .lname = "Verify pattern",
2373 .type = FIO_OPT_STR,
2374 .cb = str_verify_pattern_cb,
2375 .help = "Fill pattern for IO buffers",
2376 .parent = "verify",
2377 .hide = 1,
2378 .category = FIO_OPT_C_IO,
2379 .group = FIO_OPT_G_VERIFY,
2380 },
2381 {
2382 .name = "verify_fatal",
2383 .lname = "Verify fatal",
2384 .type = FIO_OPT_BOOL,
2385 .off1 = td_var_offset(verify_fatal),
2386 .def = "0",
2387 .help = "Exit on a single verify failure, don't continue",
2388 .parent = "verify",
2389 .hide = 1,
2390 .category = FIO_OPT_C_IO,
2391 .group = FIO_OPT_G_VERIFY,
2392 },
2393 {
2394 .name = "verify_dump",
2395 .lname = "Verify dump",
2396 .type = FIO_OPT_BOOL,
2397 .off1 = td_var_offset(verify_dump),
2398 .def = "0",
2399 .help = "Dump contents of good and bad blocks on failure",
2400 .parent = "verify",
2401 .hide = 1,
2402 .category = FIO_OPT_C_IO,
2403 .group = FIO_OPT_G_VERIFY,
2404 },
2405 {
2406 .name = "verify_async",
2407 .lname = "Verify asynchronously",
2408 .type = FIO_OPT_INT,
2409 .off1 = td_var_offset(verify_async),
2410 .def = "0",
2411 .help = "Number of async verifier threads to use",
2412 .parent = "verify",
2413 .hide = 1,
2414 .category = FIO_OPT_C_IO,
2415 .group = FIO_OPT_G_VERIFY,
2416 },
2417 {
2418 .name = "verify_backlog",
2419 .lname = "Verify backlog",
2420 .type = FIO_OPT_STR_VAL,
2421 .off1 = td_var_offset(verify_backlog),
2422 .help = "Verify after this number of blocks are written",
2423 .parent = "verify",
2424 .hide = 1,
2425 .category = FIO_OPT_C_IO,
2426 .group = FIO_OPT_G_VERIFY,
2427 },
2428 {
2429 .name = "verify_backlog_batch",
2430 .lname = "Verify backlog batch",
2431 .type = FIO_OPT_INT,
2432 .off1 = td_var_offset(verify_batch),
2433 .help = "Verify this number of IO blocks",
2434 .parent = "verify",
2435 .hide = 1,
2436 .category = FIO_OPT_C_IO,
2437 .group = FIO_OPT_G_VERIFY,
2438 },
2439#ifdef FIO_HAVE_CPU_AFFINITY
2440 {
2441 .name = "verify_async_cpus",
2442 .lname = "Async verify CPUs",
2443 .type = FIO_OPT_STR,
2444 .cb = str_verify_cpus_allowed_cb,
2445 .help = "Set CPUs allowed for async verify threads",
2446 .parent = "verify_async",
2447 .hide = 1,
2448 .category = FIO_OPT_C_IO,
2449 .group = FIO_OPT_G_VERIFY,
2450 },
2451#endif
2452 {
2453 .name = "experimental_verify",
2454 .off1 = td_var_offset(experimental_verify),
2455 .type = FIO_OPT_BOOL,
2456 .help = "Enable experimental verification",
2457 .category = FIO_OPT_C_IO,
2458 .group = FIO_OPT_G_VERIFY,
2459 },
2460#ifdef FIO_HAVE_TRIM
2461 {
2462 .name = "trim_percentage",
2463 .lname = "Trim percentage",
2464 .type = FIO_OPT_INT,
2465 .off1 = td_var_offset(trim_percentage),
2466 .minval = 0,
2467 .maxval = 100,
2468 .help = "Number of verify blocks to discard/trim",
2469 .parent = "verify",
2470 .def = "0",
2471 .interval = 1,
2472 .hide = 1,
2473 .category = FIO_OPT_C_IO,
2474 .group = FIO_OPT_G_TRIM,
2475 },
2476 {
2477 .name = "trim_verify_zero",
2478 .lname = "Verify trim zero",
2479 .type = FIO_OPT_BOOL,
2480 .help = "Verify that trim/discarded blocks are returned as zeroes",
2481 .off1 = td_var_offset(trim_zero),
2482 .parent = "trim_percentage",
2483 .hide = 1,
2484 .def = "1",
2485 .category = FIO_OPT_C_IO,
2486 .group = FIO_OPT_G_TRIM,
2487 },
2488 {
2489 .name = "trim_backlog",
2490 .lname = "Trim backlog",
2491 .type = FIO_OPT_STR_VAL,
2492 .off1 = td_var_offset(trim_backlog),
2493 .help = "Trim after this number of blocks are written",
2494 .parent = "trim_percentage",
2495 .hide = 1,
2496 .interval = 1,
2497 .category = FIO_OPT_C_IO,
2498 .group = FIO_OPT_G_TRIM,
2499 },
2500 {
2501 .name = "trim_backlog_batch",
2502 .lname = "Trim backlog batch",
2503 .type = FIO_OPT_INT,
2504 .off1 = td_var_offset(trim_batch),
2505 .help = "Trim this number of IO blocks",
2506 .parent = "trim_percentage",
2507 .hide = 1,
2508 .interval = 1,
2509 .category = FIO_OPT_C_IO,
2510 .group = FIO_OPT_G_TRIM,
2511 },
2512#endif
2513 {
2514 .name = "write_iolog",
2515 .lname = "Write I/O log",
2516 .type = FIO_OPT_STR_STORE,
2517 .off1 = td_var_offset(write_iolog_file),
2518 .help = "Store IO pattern to file",
2519 .category = FIO_OPT_C_IO,
2520 .group = FIO_OPT_G_IOLOG,
2521 },
2522 {
2523 .name = "read_iolog",
2524 .lname = "Read I/O log",
2525 .type = FIO_OPT_STR_STORE,
2526 .off1 = td_var_offset(read_iolog_file),
2527 .help = "Playback IO pattern from file",
2528 .category = FIO_OPT_C_IO,
2529 .group = FIO_OPT_G_IOLOG,
2530 },
2531 {
2532 .name = "replay_no_stall",
2533 .lname = "Don't stall on replay",
2534 .type = FIO_OPT_BOOL,
2535 .off1 = td_var_offset(no_stall),
2536 .def = "0",
2537 .parent = "read_iolog",
2538 .hide = 1,
2539 .help = "Playback IO pattern file as fast as possible without stalls",
2540 .category = FIO_OPT_C_IO,
2541 .group = FIO_OPT_G_IOLOG,
2542 },
2543 {
2544 .name = "replay_redirect",
2545 .lname = "Redirect device for replay",
2546 .type = FIO_OPT_STR_STORE,
2547 .off1 = td_var_offset(replay_redirect),
2548 .parent = "read_iolog",
2549 .hide = 1,
2550 .help = "Replay all I/O onto this device, regardless of trace device",
2551 .category = FIO_OPT_C_IO,
2552 .group = FIO_OPT_G_IOLOG,
2553 },
2554 {
2555 .name = "exec_prerun",
2556 .lname = "Pre-execute runnable",
2557 .type = FIO_OPT_STR_STORE,
2558 .off1 = td_var_offset(exec_prerun),
2559 .help = "Execute this file prior to running job",
2560 .category = FIO_OPT_C_GENERAL,
2561 .group = FIO_OPT_G_INVALID,
2562 },
2563 {
2564 .name = "exec_postrun",
2565 .lname = "Post-execute runnable",
2566 .type = FIO_OPT_STR_STORE,
2567 .off1 = td_var_offset(exec_postrun),
2568 .help = "Execute this file after running job",
2569 .category = FIO_OPT_C_GENERAL,
2570 .group = FIO_OPT_G_INVALID,
2571 },
2572#ifdef FIO_HAVE_IOSCHED_SWITCH
2573 {
2574 .name = "ioscheduler",
2575 .lname = "I/O scheduler",
2576 .type = FIO_OPT_STR_STORE,
2577 .off1 = td_var_offset(ioscheduler),
2578 .help = "Use this IO scheduler on the backing device",
2579 .category = FIO_OPT_C_FILE,
2580 .group = FIO_OPT_G_INVALID,
2581 },
2582#endif
2583 {
2584 .name = "zonesize",
2585 .lname = "Zone size",
2586 .type = FIO_OPT_STR_VAL,
2587 .off1 = td_var_offset(zone_size),
2588 .help = "Amount of data to read per zone",
2589 .def = "0",
2590 .interval = 1024 * 1024,
2591 .category = FIO_OPT_C_IO,
2592 .group = FIO_OPT_G_ZONE,
2593 },
2594 {
2595 .name = "zonerange",
2596 .lname = "Zone range",
2597 .type = FIO_OPT_STR_VAL,
2598 .off1 = td_var_offset(zone_range),
2599 .help = "Give size of an IO zone",
2600 .def = "0",
2601 .interval = 1024 * 1024,
2602 .category = FIO_OPT_C_IO,
2603 .group = FIO_OPT_G_ZONE,
2604 },
2605 {
2606 .name = "zoneskip",
2607 .lname = "Zone skip",
2608 .type = FIO_OPT_STR_VAL,
2609 .off1 = td_var_offset(zone_skip),
2610 .help = "Space between IO zones",
2611 .def = "0",
2612 .interval = 1024 * 1024,
2613 .category = FIO_OPT_C_IO,
2614 .group = FIO_OPT_G_ZONE,
2615 },
2616 {
2617 .name = "lockmem",
2618 .lname = "Lock memory",
2619 .type = FIO_OPT_STR_VAL,
2620 .off1 = td_var_offset(lockmem),
2621 .help = "Lock down this amount of memory (per worker)",
2622 .def = "0",
2623 .interval = 1024 * 1024,
2624 .category = FIO_OPT_C_GENERAL,
2625 .group = FIO_OPT_G_INVALID,
2626 },
2627 {
2628 .name = "rwmixread",
2629 .lname = "Read/write mix read",
2630 .type = FIO_OPT_INT,
2631 .cb = str_rwmix_read_cb,
2632 .maxval = 100,
2633 .help = "Percentage of mixed workload that is reads",
2634 .def = "50",
2635 .interval = 5,
2636 .inverse = "rwmixwrite",
2637 .category = FIO_OPT_C_IO,
2638 .group = FIO_OPT_G_RWMIX,
2639 },
2640 {
2641 .name = "rwmixwrite",
2642 .lname = "Read/write mix write",
2643 .type = FIO_OPT_INT,
2644 .cb = str_rwmix_write_cb,
2645 .maxval = 100,
2646 .help = "Percentage of mixed workload that is writes",
2647 .def = "50",
2648 .interval = 5,
2649 .inverse = "rwmixread",
2650 .category = FIO_OPT_C_IO,
2651 .group = FIO_OPT_G_RWMIX,
2652 },
2653 {
2654 .name = "rwmixcycle",
2655 .lname = "Read/write mix cycle",
2656 .type = FIO_OPT_DEPRECATED,
2657 .category = FIO_OPT_C_IO,
2658 .group = FIO_OPT_G_RWMIX,
2659 },
2660 {
2661 .name = "nice",
2662 .lname = "Nice",
2663 .type = FIO_OPT_INT,
2664 .off1 = td_var_offset(nice),
2665 .help = "Set job CPU nice value",
2666 .minval = -19,
2667 .maxval = 20,
2668 .def = "0",
2669 .interval = 1,
2670 .category = FIO_OPT_C_GENERAL,
2671 .group = FIO_OPT_G_CRED,
2672 },
2673#ifdef FIO_HAVE_IOPRIO
2674 {
2675 .name = "prio",
2676 .lname = "I/O nice priority",
2677 .type = FIO_OPT_INT,
2678 .off1 = td_var_offset(ioprio),
2679 .help = "Set job IO priority value",
2680 .minval = 0,
2681 .maxval = 7,
2682 .interval = 1,
2683 .category = FIO_OPT_C_GENERAL,
2684 .group = FIO_OPT_G_CRED,
2685 },
2686 {
2687 .name = "prioclass",
2688 .lname = "I/O nice priority class",
2689 .type = FIO_OPT_INT,
2690 .off1 = td_var_offset(ioprio_class),
2691 .help = "Set job IO priority class",
2692 .minval = 0,
2693 .maxval = 3,
2694 .interval = 1,
2695 .category = FIO_OPT_C_GENERAL,
2696 .group = FIO_OPT_G_CRED,
2697 },
2698#endif
2699 {
2700 .name = "thinktime",
2701 .lname = "Thinktime",
2702 .type = FIO_OPT_INT,
2703 .off1 = td_var_offset(thinktime),
2704 .help = "Idle time between IO buffers (usec)",
2705 .def = "0",
2706 .category = FIO_OPT_C_IO,
2707 .group = FIO_OPT_G_THINKTIME,
2708 },
2709 {
2710 .name = "thinktime_spin",
2711 .lname = "Thinktime spin",
2712 .type = FIO_OPT_INT,
2713 .off1 = td_var_offset(thinktime_spin),
2714 .help = "Start think time by spinning this amount (usec)",
2715 .def = "0",
2716 .parent = "thinktime",
2717 .hide = 1,
2718 .category = FIO_OPT_C_IO,
2719 .group = FIO_OPT_G_THINKTIME,
2720 },
2721 {
2722 .name = "thinktime_blocks",
2723 .lname = "Thinktime blocks",
2724 .type = FIO_OPT_INT,
2725 .off1 = td_var_offset(thinktime_blocks),
2726 .help = "IO buffer period between 'thinktime'",
2727 .def = "1",
2728 .parent = "thinktime",
2729 .hide = 1,
2730 .category = FIO_OPT_C_IO,
2731 .group = FIO_OPT_G_THINKTIME,
2732 },
2733 {
2734 .name = "rate",
2735 .lname = "I/O rate",
2736 .type = FIO_OPT_INT,
2737 .off1 = td_var_offset(rate[DDIR_READ]),
2738 .off2 = td_var_offset(rate[DDIR_WRITE]),
2739 .off3 = td_var_offset(rate[DDIR_TRIM]),
2740 .help = "Set bandwidth rate",
2741 .category = FIO_OPT_C_IO,
2742 .group = FIO_OPT_G_RATE,
2743 },
2744 {
2745 .name = "ratemin",
2746 .lname = "I/O min rate",
2747 .type = FIO_OPT_INT,
2748 .off1 = td_var_offset(ratemin[DDIR_READ]),
2749 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2750 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
2751 .help = "Job must meet this rate or it will be shutdown",
2752 .parent = "rate",
2753 .hide = 1,
2754 .category = FIO_OPT_C_IO,
2755 .group = FIO_OPT_G_RATE,
2756 },
2757 {
2758 .name = "rate_iops",
2759 .lname = "I/O rate IOPS",
2760 .type = FIO_OPT_INT,
2761 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2762 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2763 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
2764 .help = "Limit IO used to this number of IO operations/sec",
2765 .hide = 1,
2766 .category = FIO_OPT_C_IO,
2767 .group = FIO_OPT_G_RATE,
2768 },
2769 {
2770 .name = "rate_iops_min",
2771 .lname = "I/O min rate IOPS",
2772 .type = FIO_OPT_INT,
2773 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2774 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2775 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
2776 .help = "Job must meet this rate or it will be shut down",
2777 .parent = "rate_iops",
2778 .hide = 1,
2779 .category = FIO_OPT_C_IO,
2780 .group = FIO_OPT_G_RATE,
2781 },
2782 {
2783 .name = "ratecycle",
2784 .lname = "I/O rate cycle",
2785 .type = FIO_OPT_INT,
2786 .off1 = td_var_offset(ratecycle),
2787 .help = "Window average for rate limits (msec)",
2788 .def = "1000",
2789 .parent = "rate",
2790 .hide = 1,
2791 .category = FIO_OPT_C_IO,
2792 .group = FIO_OPT_G_RATE,
2793 },
2794 {
2795 .name = "max_latency",
2796 .type = FIO_OPT_INT,
2797 .off1 = td_var_offset(max_latency),
2798 .help = "Maximum tolerated IO latency (usec)",
2799 .category = FIO_OPT_C_IO,
2800 .group = FIO_OPT_G_LATPROF,
2801 },
2802 {
2803 .name = "latency_target",
2804 .lname = "Latency Target (usec)",
2805 .type = FIO_OPT_STR_VAL_TIME,
2806 .off1 = td_var_offset(latency_target),
2807 .help = "Ramp to max queue depth supporting this latency",
2808 .category = FIO_OPT_C_IO,
2809 .group = FIO_OPT_G_LATPROF,
2810 },
2811 {
2812 .name = "latency_window",
2813 .lname = "Latency Window (usec)",
2814 .type = FIO_OPT_STR_VAL_TIME,
2815 .off1 = td_var_offset(latency_window),
2816 .help = "Time to sustain latency_target",
2817 .category = FIO_OPT_C_IO,
2818 .group = FIO_OPT_G_LATPROF,
2819 },
2820 {
2821 .name = "latency_percentile",
2822 .lname = "Latency Percentile",
2823 .type = FIO_OPT_FLOAT_LIST,
2824 .off1 = td_var_offset(latency_percentile),
2825 .help = "Percentile of IOs must be below latency_target",
2826 .def = "100",
2827 .maxlen = 1,
2828 .minfp = 0.0,
2829 .maxfp = 100.0,
2830 .category = FIO_OPT_C_IO,
2831 .group = FIO_OPT_G_LATPROF,
2832 },
2833 {
2834 .name = "invalidate",
2835 .lname = "Cache invalidate",
2836 .type = FIO_OPT_BOOL,
2837 .off1 = td_var_offset(invalidate_cache),
2838 .help = "Invalidate buffer/page cache prior to running job",
2839 .def = "1",
2840 .category = FIO_OPT_C_IO,
2841 .group = FIO_OPT_G_IO_TYPE,
2842 },
2843 {
2844 .name = "sync",
2845 .lname = "Synchronous I/O",
2846 .type = FIO_OPT_BOOL,
2847 .off1 = td_var_offset(sync_io),
2848 .help = "Use O_SYNC for buffered writes",
2849 .def = "0",
2850 .parent = "buffered",
2851 .hide = 1,
2852 .category = FIO_OPT_C_IO,
2853 .group = FIO_OPT_G_IO_TYPE,
2854 },
2855 {
2856 .name = "create_serialize",
2857 .lname = "Create serialize",
2858 .type = FIO_OPT_BOOL,
2859 .off1 = td_var_offset(create_serialize),
2860 .help = "Serialize creating of job files",
2861 .def = "1",
2862 .category = FIO_OPT_C_FILE,
2863 .group = FIO_OPT_G_INVALID,
2864 },
2865 {
2866 .name = "create_fsync",
2867 .lname = "Create fsync",
2868 .type = FIO_OPT_BOOL,
2869 .off1 = td_var_offset(create_fsync),
2870 .help = "fsync file after creation",
2871 .def = "1",
2872 .category = FIO_OPT_C_FILE,
2873 .group = FIO_OPT_G_INVALID,
2874 },
2875 {
2876 .name = "create_on_open",
2877 .lname = "Create on open",
2878 .type = FIO_OPT_BOOL,
2879 .off1 = td_var_offset(create_on_open),
2880 .help = "Create files when they are opened for IO",
2881 .def = "0",
2882 .category = FIO_OPT_C_FILE,
2883 .group = FIO_OPT_G_INVALID,
2884 },
2885 {
2886 .name = "create_only",
2887 .type = FIO_OPT_BOOL,
2888 .off1 = td_var_offset(create_only),
2889 .help = "Only perform file creation phase",
2890 .category = FIO_OPT_C_FILE,
2891 .def = "0",
2892 },
2893 {
2894 .name = "pre_read",
2895 .lname = "Pre-read files",
2896 .type = FIO_OPT_BOOL,
2897 .off1 = td_var_offset(pre_read),
2898 .help = "Pre-read files before starting official testing",
2899 .def = "0",
2900 .category = FIO_OPT_C_FILE,
2901 .group = FIO_OPT_G_INVALID,
2902 },
2903#ifdef FIO_HAVE_CPU_AFFINITY
2904 {
2905 .name = "cpumask",
2906 .lname = "CPU mask",
2907 .type = FIO_OPT_INT,
2908 .cb = str_cpumask_cb,
2909 .help = "CPU affinity mask",
2910 .category = FIO_OPT_C_GENERAL,
2911 .group = FIO_OPT_G_CRED,
2912 },
2913 {
2914 .name = "cpus_allowed",
2915 .lname = "CPUs allowed",
2916 .type = FIO_OPT_STR,
2917 .cb = str_cpus_allowed_cb,
2918 .help = "Set CPUs allowed",
2919 .category = FIO_OPT_C_GENERAL,
2920 .group = FIO_OPT_G_CRED,
2921 },
2922 {
2923 .name = "cpus_allowed_policy",
2924 .lname = "CPUs allowed distribution policy",
2925 .type = FIO_OPT_STR,
2926 .off1 = td_var_offset(cpus_allowed_policy),
2927 .help = "Distribution policy for cpus_allowed",
2928 .parent = "cpus_allowed",
2929 .prio = 1,
2930 .posval = {
2931 { .ival = "shared",
2932 .oval = FIO_CPUS_SHARED,
2933 .help = "Mask shared between threads",
2934 },
2935 { .ival = "split",
2936 .oval = FIO_CPUS_SPLIT,
2937 .help = "Mask split between threads",
2938 },
2939 },
2940 .category = FIO_OPT_C_GENERAL,
2941 .group = FIO_OPT_G_CRED,
2942 },
2943#endif
2944#ifdef CONFIG_LIBNUMA
2945 {
2946 .name = "numa_cpu_nodes",
2947 .type = FIO_OPT_STR,
2948 .cb = str_numa_cpunodes_cb,
2949 .help = "NUMA CPU nodes bind",
2950 .category = FIO_OPT_C_GENERAL,
2951 .group = FIO_OPT_G_INVALID,
2952 },
2953 {
2954 .name = "numa_mem_policy",
2955 .type = FIO_OPT_STR,
2956 .cb = str_numa_mpol_cb,
2957 .help = "NUMA memory policy setup",
2958 .category = FIO_OPT_C_GENERAL,
2959 .group = FIO_OPT_G_INVALID,
2960 },
2961#endif
2962 {
2963 .name = "end_fsync",
2964 .lname = "End fsync",
2965 .type = FIO_OPT_BOOL,
2966 .off1 = td_var_offset(end_fsync),
2967 .help = "Include fsync at the end of job",
2968 .def = "0",
2969 .category = FIO_OPT_C_FILE,
2970 .group = FIO_OPT_G_INVALID,
2971 },
2972 {
2973 .name = "fsync_on_close",
2974 .lname = "Fsync on close",
2975 .type = FIO_OPT_BOOL,
2976 .off1 = td_var_offset(fsync_on_close),
2977 .help = "fsync files on close",
2978 .def = "0",
2979 .category = FIO_OPT_C_FILE,
2980 .group = FIO_OPT_G_INVALID,
2981 },
2982 {
2983 .name = "unlink",
2984 .lname = "Unlink file",
2985 .type = FIO_OPT_BOOL,
2986 .off1 = td_var_offset(unlink),
2987 .help = "Unlink created files after job has completed",
2988 .def = "0",
2989 .category = FIO_OPT_C_FILE,
2990 .group = FIO_OPT_G_INVALID,
2991 },
2992 {
2993 .name = "exitall",
2994 .lname = "Exit-all on terminate",
2995 .type = FIO_OPT_STR_SET,
2996 .cb = str_exitall_cb,
2997 .help = "Terminate all jobs when one exits",
2998 .category = FIO_OPT_C_GENERAL,
2999 .group = FIO_OPT_G_PROCESS,
3000 },
3001 {
3002 .name = "stonewall",
3003 .lname = "Wait for previous",
3004 .alias = "wait_for_previous",
3005 .type = FIO_OPT_STR_SET,
3006 .off1 = td_var_offset(stonewall),
3007 .help = "Insert a hard barrier between this job and previous",
3008 .category = FIO_OPT_C_GENERAL,
3009 .group = FIO_OPT_G_PROCESS,
3010 },
3011 {
3012 .name = "new_group",
3013 .lname = "New group",
3014 .type = FIO_OPT_STR_SET,
3015 .off1 = td_var_offset(new_group),
3016 .help = "Mark the start of a new group (for reporting)",
3017 .category = FIO_OPT_C_GENERAL,
3018 .group = FIO_OPT_G_PROCESS,
3019 },
3020 {
3021 .name = "thread",
3022 .lname = "Thread",
3023 .type = FIO_OPT_STR_SET,
3024 .off1 = td_var_offset(use_thread),
3025 .help = "Use threads instead of processes",
3026 .category = FIO_OPT_C_GENERAL,
3027 .group = FIO_OPT_G_PROCESS,
3028 },
3029 {
3030 .name = "write_bw_log",
3031 .lname = "Write bandwidth log",
3032 .type = FIO_OPT_STR_STORE,
3033 .off1 = td_var_offset(bw_log_file),
3034 .help = "Write log of bandwidth during run",
3035 .category = FIO_OPT_C_LOG,
3036 .group = FIO_OPT_G_INVALID,
3037 },
3038 {
3039 .name = "write_lat_log",
3040 .lname = "Write latency log",
3041 .type = FIO_OPT_STR_STORE,
3042 .off1 = td_var_offset(lat_log_file),
3043 .help = "Write log of latency during run",
3044 .category = FIO_OPT_C_LOG,
3045 .group = FIO_OPT_G_INVALID,
3046 },
3047 {
3048 .name = "write_iops_log",
3049 .lname = "Write IOPS log",
3050 .type = FIO_OPT_STR_STORE,
3051 .off1 = td_var_offset(iops_log_file),
3052 .help = "Write log of IOPS during run",
3053 .category = FIO_OPT_C_LOG,
3054 .group = FIO_OPT_G_INVALID,
3055 },
3056 {
3057 .name = "log_avg_msec",
3058 .lname = "Log averaging (msec)",
3059 .type = FIO_OPT_INT,
3060 .off1 = td_var_offset(log_avg_msec),
3061 .help = "Average bw/iops/lat logs over this period of time",
3062 .def = "0",
3063 .category = FIO_OPT_C_LOG,
3064 .group = FIO_OPT_G_INVALID,
3065 },
3066 {
3067 .name = "bwavgtime",
3068 .lname = "Bandwidth average time",
3069 .type = FIO_OPT_INT,
3070 .off1 = td_var_offset(bw_avg_time),
3071 .help = "Time window over which to calculate bandwidth"
3072 " (msec)",
3073 .def = "500",
3074 .parent = "write_bw_log",
3075 .hide = 1,
3076 .interval = 100,
3077 .category = FIO_OPT_C_LOG,
3078 .group = FIO_OPT_G_INVALID,
3079 },
3080 {
3081 .name = "iopsavgtime",
3082 .lname = "IOPS average time",
3083 .type = FIO_OPT_INT,
3084 .off1 = td_var_offset(iops_avg_time),
3085 .help = "Time window over which to calculate IOPS (msec)",
3086 .def = "500",
3087 .parent = "write_iops_log",
3088 .hide = 1,
3089 .interval = 100,
3090 .category = FIO_OPT_C_LOG,
3091 .group = FIO_OPT_G_INVALID,
3092 },
3093 {
3094 .name = "group_reporting",
3095 .lname = "Group reporting",
3096 .type = FIO_OPT_STR_SET,
3097 .off1 = td_var_offset(group_reporting),
3098 .help = "Do reporting on a per-group basis",
3099 .category = FIO_OPT_C_STAT,
3100 .group = FIO_OPT_G_INVALID,
3101 },
3102 {
3103 .name = "zero_buffers",
3104 .lname = "Zero I/O buffers",
3105 .type = FIO_OPT_STR_SET,
3106 .off1 = td_var_offset(zero_buffers),
3107 .help = "Init IO buffers to all zeroes",
3108 .category = FIO_OPT_C_IO,
3109 .group = FIO_OPT_G_IO_BUF,
3110 },
3111 {
3112 .name = "refill_buffers",
3113 .lname = "Refill I/O buffers",
3114 .type = FIO_OPT_STR_SET,
3115 .off1 = td_var_offset(refill_buffers),
3116 .help = "Refill IO buffers on every IO submit",
3117 .category = FIO_OPT_C_IO,
3118 .group = FIO_OPT_G_IO_BUF,
3119 },
3120 {
3121 .name = "scramble_buffers",
3122 .lname = "Scramble I/O buffers",
3123 .type = FIO_OPT_BOOL,
3124 .off1 = td_var_offset(scramble_buffers),
3125 .help = "Slightly scramble buffers on every IO submit",
3126 .def = "1",
3127 .category = FIO_OPT_C_IO,
3128 .group = FIO_OPT_G_IO_BUF,
3129 },
3130 {
3131 .name = "buffer_pattern",
3132 .lname = "Buffer pattern",
3133 .type = FIO_OPT_STR,
3134 .cb = str_buffer_pattern_cb,
3135 .help = "Fill pattern for IO buffers",
3136 .category = FIO_OPT_C_IO,
3137 .group = FIO_OPT_G_IO_BUF,
3138 },
3139 {
3140 .name = "buffer_compress_percentage",
3141 .lname = "Buffer compression percentage",
3142 .type = FIO_OPT_INT,
3143 .cb = str_buffer_compress_cb,
3144 .maxval = 100,
3145 .minval = 0,
3146 .help = "How compressible the buffer is (approximately)",
3147 .interval = 5,
3148 .category = FIO_OPT_C_IO,
3149 .group = FIO_OPT_G_IO_BUF,
3150 },
3151 {
3152 .name = "buffer_compress_chunk",
3153 .lname = "Buffer compression chunk size",
3154 .type = FIO_OPT_INT,
3155 .off1 = td_var_offset(compress_chunk),
3156 .parent = "buffer_compress_percentage",
3157 .hide = 1,
3158 .help = "Size of compressible region in buffer",
3159 .interval = 256,
3160 .category = FIO_OPT_C_IO,
3161 .group = FIO_OPT_G_IO_BUF,
3162 },
3163 {
3164 .name = "clat_percentiles",
3165 .lname = "Completion latency percentiles",
3166 .type = FIO_OPT_BOOL,
3167 .off1 = td_var_offset(clat_percentiles),
3168 .help = "Enable the reporting of completion latency percentiles",
3169 .def = "1",
3170 .category = FIO_OPT_C_STAT,
3171 .group = FIO_OPT_G_INVALID,
3172 },
3173 {
3174 .name = "percentile_list",
3175 .lname = "Completion latency percentile list",
3176 .type = FIO_OPT_FLOAT_LIST,
3177 .off1 = td_var_offset(percentile_list),
3178 .off2 = td_var_offset(percentile_precision),
3179 .help = "Specify a custom list of percentiles to report",
3180 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
3181 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3182 .minfp = 0.0,
3183 .maxfp = 100.0,
3184 .category = FIO_OPT_C_STAT,
3185 .group = FIO_OPT_G_INVALID,
3186 },
3187
3188#ifdef FIO_HAVE_DISK_UTIL
3189 {
3190 .name = "disk_util",
3191 .lname = "Disk utilization",
3192 .type = FIO_OPT_BOOL,
3193 .off1 = td_var_offset(do_disk_util),
3194 .help = "Log disk utilization statistics",
3195 .def = "1",
3196 .category = FIO_OPT_C_STAT,
3197 .group = FIO_OPT_G_INVALID,
3198 },
3199#endif
3200 {
3201 .name = "gtod_reduce",
3202 .lname = "Reduce gettimeofday() calls",
3203 .type = FIO_OPT_BOOL,
3204 .help = "Greatly reduce number of gettimeofday() calls",
3205 .cb = str_gtod_reduce_cb,
3206 .def = "0",
3207 .hide_on_set = 1,
3208 .category = FIO_OPT_C_STAT,
3209 .group = FIO_OPT_G_INVALID,
3210 },
3211 {
3212 .name = "disable_lat",
3213 .lname = "Disable all latency stats",
3214 .type = FIO_OPT_BOOL,
3215 .off1 = td_var_offset(disable_lat),
3216 .help = "Disable latency numbers",
3217 .parent = "gtod_reduce",
3218 .hide = 1,
3219 .def = "0",
3220 .category = FIO_OPT_C_STAT,
3221 .group = FIO_OPT_G_INVALID,
3222 },
3223 {
3224 .name = "disable_clat",
3225 .lname = "Disable completion latency stats",
3226 .type = FIO_OPT_BOOL,
3227 .off1 = td_var_offset(disable_clat),
3228 .help = "Disable completion latency numbers",
3229 .parent = "gtod_reduce",
3230 .hide = 1,
3231 .def = "0",
3232 .category = FIO_OPT_C_STAT,
3233 .group = FIO_OPT_G_INVALID,
3234 },
3235 {
3236 .name = "disable_slat",
3237 .lname = "Disable submission latency stats",
3238 .type = FIO_OPT_BOOL,
3239 .off1 = td_var_offset(disable_slat),
3240 .help = "Disable submission latency numbers",
3241 .parent = "gtod_reduce",
3242 .hide = 1,
3243 .def = "0",
3244 .category = FIO_OPT_C_STAT,
3245 .group = FIO_OPT_G_INVALID,
3246 },
3247 {
3248 .name = "disable_bw_measurement",
3249 .lname = "Disable bandwidth stats",
3250 .type = FIO_OPT_BOOL,
3251 .off1 = td_var_offset(disable_bw),
3252 .help = "Disable bandwidth logging",
3253 .parent = "gtod_reduce",
3254 .hide = 1,
3255 .def = "0",
3256 .category = FIO_OPT_C_STAT,
3257 .group = FIO_OPT_G_INVALID,
3258 },
3259 {
3260 .name = "gtod_cpu",
3261 .lname = "Dedicated gettimeofday() CPU",
3262 .type = FIO_OPT_INT,
3263 .cb = str_gtod_cpu_cb,
3264 .help = "Set up dedicated gettimeofday() thread on this CPU",
3265 .verify = gtod_cpu_verify,
3266 .category = FIO_OPT_C_GENERAL,
3267 .group = FIO_OPT_G_CLOCK,
3268 },
3269 {
3270 .name = "unified_rw_reporting",
3271 .type = FIO_OPT_BOOL,
3272 .off1 = td_var_offset(unified_rw_rep),
3273 .help = "Unify reporting across data direction",
3274 .def = "0",
3275 .category = FIO_OPT_C_GENERAL,
3276 .group = FIO_OPT_G_INVALID,
3277 },
3278 {
3279 .name = "continue_on_error",
3280 .lname = "Continue on error",
3281 .type = FIO_OPT_STR,
3282 .off1 = td_var_offset(continue_on_error),
3283 .help = "Continue on non-fatal errors during IO",
3284 .def = "none",
3285 .category = FIO_OPT_C_GENERAL,
3286 .group = FIO_OPT_G_ERR,
3287 .posval = {
3288 { .ival = "none",
3289 .oval = ERROR_TYPE_NONE,
3290 .help = "Exit when an error is encountered",
3291 },
3292 { .ival = "read",
3293 .oval = ERROR_TYPE_READ,
3294 .help = "Continue on read errors only",
3295 },
3296 { .ival = "write",
3297 .oval = ERROR_TYPE_WRITE,
3298 .help = "Continue on write errors only",
3299 },
3300 { .ival = "io",
3301 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3302 .help = "Continue on any IO errors",
3303 },
3304 { .ival = "verify",
3305 .oval = ERROR_TYPE_VERIFY,
3306 .help = "Continue on verify errors only",
3307 },
3308 { .ival = "all",
3309 .oval = ERROR_TYPE_ANY,
3310 .help = "Continue on all io and verify errors",
3311 },
3312 { .ival = "0",
3313 .oval = ERROR_TYPE_NONE,
3314 .help = "Alias for 'none'",
3315 },
3316 { .ival = "1",
3317 .oval = ERROR_TYPE_ANY,
3318 .help = "Alias for 'all'",
3319 },
3320 },
3321 },
3322 {
3323 .name = "ignore_error",
3324 .type = FIO_OPT_STR,
3325 .cb = str_ignore_error_cb,
3326 .help = "Set a specific list of errors to ignore",
3327 .parent = "rw",
3328 .category = FIO_OPT_C_GENERAL,
3329 .group = FIO_OPT_G_ERR,
3330 },
3331 {
3332 .name = "error_dump",
3333 .type = FIO_OPT_BOOL,
3334 .off1 = td_var_offset(error_dump),
3335 .def = "0",
3336 .help = "Dump info on each error",
3337 .category = FIO_OPT_C_GENERAL,
3338 .group = FIO_OPT_G_ERR,
3339 },
3340 {
3341 .name = "profile",
3342 .lname = "Profile",
3343 .type = FIO_OPT_STR_STORE,
3344 .off1 = td_var_offset(profile),
3345 .help = "Select a specific builtin performance test",
3346 .category = FIO_OPT_C_PROFILE,
3347 .group = FIO_OPT_G_INVALID,
3348 },
3349 {
3350 .name = "cgroup",
3351 .lname = "Cgroup",
3352 .type = FIO_OPT_STR_STORE,
3353 .off1 = td_var_offset(cgroup),
3354 .help = "Add job to cgroup of this name",
3355 .category = FIO_OPT_C_GENERAL,
3356 .group = FIO_OPT_G_CGROUP,
3357 },
3358 {
3359 .name = "cgroup_nodelete",
3360 .lname = "Cgroup no-delete",
3361 .type = FIO_OPT_BOOL,
3362 .off1 = td_var_offset(cgroup_nodelete),
3363 .help = "Do not delete cgroups after job completion",
3364 .def = "0",
3365 .parent = "cgroup",
3366 .category = FIO_OPT_C_GENERAL,
3367 .group = FIO_OPT_G_CGROUP,
3368 },
3369 {
3370 .name = "cgroup_weight",
3371 .lname = "Cgroup weight",
3372 .type = FIO_OPT_INT,
3373 .off1 = td_var_offset(cgroup_weight),
3374 .help = "Use given weight for cgroup",
3375 .minval = 100,
3376 .maxval = 1000,
3377 .parent = "cgroup",
3378 .category = FIO_OPT_C_GENERAL,
3379 .group = FIO_OPT_G_CGROUP,
3380 },
3381 {
3382 .name = "uid",
3383 .lname = "User ID",
3384 .type = FIO_OPT_INT,
3385 .off1 = td_var_offset(uid),
3386 .help = "Run job with this user ID",
3387 .category = FIO_OPT_C_GENERAL,
3388 .group = FIO_OPT_G_CRED,
3389 },
3390 {
3391 .name = "gid",
3392 .lname = "Group ID",
3393 .type = FIO_OPT_INT,
3394 .off1 = td_var_offset(gid),
3395 .help = "Run job with this group ID",
3396 .category = FIO_OPT_C_GENERAL,
3397 .group = FIO_OPT_G_CRED,
3398 },
3399 {
3400 .name = "kb_base",
3401 .lname = "KB Base",
3402 .type = FIO_OPT_INT,
3403 .off1 = td_var_offset(kb_base),
3404 .prio = 1,
3405 .def = "1024",
3406 .posval = {
3407 { .ival = "1024",
3408 .oval = 1024,
3409 .help = "Use 1024 as the K base",
3410 },
3411 { .ival = "1000",
3412 .oval = 1000,
3413 .help = "Use 1000 as the K base",
3414 },
3415 },
3416 .help = "How many bytes per KB for reporting (1000 or 1024)",
3417 .category = FIO_OPT_C_GENERAL,
3418 .group = FIO_OPT_G_INVALID,
3419 },
3420 {
3421 .name = "unit_base",
3422 .lname = "Base unit for reporting (Bits or Bytes)",
3423 .type = FIO_OPT_INT,
3424 .off1 = td_var_offset(unit_base),
3425 .prio = 1,
3426 .posval = {
3427 { .ival = "0",
3428 .oval = 0,
3429 .help = "Auto-detect",
3430 },
3431 { .ival = "8",
3432 .oval = 8,
3433 .help = "Normal (byte based)",
3434 },
3435 { .ival = "1",
3436 .oval = 1,
3437 .help = "Bit based",
3438 },
3439 },
3440 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3441 .category = FIO_OPT_C_GENERAL,
3442 .group = FIO_OPT_G_INVALID,
3443 },
3444 {
3445 .name = "hugepage-size",
3446 .lname = "Hugepage size",
3447 .type = FIO_OPT_INT,
3448 .off1 = td_var_offset(hugepage_size),
3449 .help = "When using hugepages, specify size of each page",
3450 .def = __fio_stringify(FIO_HUGE_PAGE),
3451 .interval = 1024 * 1024,
3452 .category = FIO_OPT_C_GENERAL,
3453 .group = FIO_OPT_G_INVALID,
3454 },
3455 {
3456 .name = "flow_id",
3457 .lname = "I/O flow ID",
3458 .type = FIO_OPT_INT,
3459 .off1 = td_var_offset(flow_id),
3460 .help = "The flow index ID to use",
3461 .def = "0",
3462 .category = FIO_OPT_C_IO,
3463 .group = FIO_OPT_G_IO_FLOW,
3464 },
3465 {
3466 .name = "flow",
3467 .lname = "I/O flow weight",
3468 .type = FIO_OPT_INT,
3469 .off1 = td_var_offset(flow),
3470 .help = "Weight for flow control of this job",
3471 .parent = "flow_id",
3472 .hide = 1,
3473 .def = "0",
3474 .category = FIO_OPT_C_IO,
3475 .group = FIO_OPT_G_IO_FLOW,
3476 },
3477 {
3478 .name = "flow_watermark",
3479 .lname = "I/O flow watermark",
3480 .type = FIO_OPT_INT,
3481 .off1 = td_var_offset(flow_watermark),
3482 .help = "High watermark for flow control. This option"
3483 " should be set to the same value for all threads"
3484 " with non-zero flow.",
3485 .parent = "flow_id",
3486 .hide = 1,
3487 .def = "1024",
3488 .category = FIO_OPT_C_IO,
3489 .group = FIO_OPT_G_IO_FLOW,
3490 },
3491 {
3492 .name = "flow_sleep",
3493 .lname = "I/O flow sleep",
3494 .type = FIO_OPT_INT,
3495 .off1 = td_var_offset(flow_sleep),
3496 .help = "How many microseconds to sleep after being held"
3497 " back by the flow control mechanism",
3498 .parent = "flow_id",
3499 .hide = 1,
3500 .def = "0",
3501 .category = FIO_OPT_C_IO,
3502 .group = FIO_OPT_G_IO_FLOW,
3503 },
3504 {
3505 .name = NULL,
3506 },
3507};
3508
3509static void add_to_lopt(struct option *lopt, struct fio_option *o,
3510 const char *name, int val)
3511{
3512 lopt->name = (char *) name;
3513 lopt->val = val;
3514 if (o->type == FIO_OPT_STR_SET)
3515 lopt->has_arg = optional_argument;
3516 else
3517 lopt->has_arg = required_argument;
3518}
3519
3520static void options_to_lopts(struct fio_option *opts,
3521 struct option *long_options,
3522 int i, int option_type)
3523{
3524 struct fio_option *o = &opts[0];
3525 while (o->name) {
3526 add_to_lopt(&long_options[i], o, o->name, option_type);
3527 if (o->alias) {
3528 i++;
3529 add_to_lopt(&long_options[i], o, o->alias, option_type);
3530 }
3531
3532 i++;
3533 o++;
3534 assert(i < FIO_NR_OPTIONS);
3535 }
3536}
3537
3538void fio_options_set_ioengine_opts(struct option *long_options,
3539 struct thread_data *td)
3540{
3541 unsigned int i;
3542
3543 i = 0;
3544 while (long_options[i].name) {
3545 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3546 memset(&long_options[i], 0, sizeof(*long_options));
3547 break;
3548 }
3549 i++;
3550 }
3551
3552 /*
3553 * Just clear out the prior ioengine options.
3554 */
3555 if (!td || !td->eo)
3556 return;
3557
3558 options_to_lopts(td->io_ops->options, long_options, i,
3559 FIO_GETOPT_IOENGINE);
3560}
3561
3562void fio_options_dup_and_init(struct option *long_options)
3563{
3564 unsigned int i;
3565
3566 options_init(fio_options);
3567
3568 i = 0;
3569 while (long_options[i].name)
3570 i++;
3571
3572 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
3573}
3574
3575struct fio_keyword {
3576 const char *word;
3577 const char *desc;
3578 char *replace;
3579};
3580
3581static struct fio_keyword fio_keywords[] = {
3582 {
3583 .word = "$pagesize",
3584 .desc = "Page size in the system",
3585 },
3586 {
3587 .word = "$mb_memory",
3588 .desc = "Megabytes of memory online",
3589 },
3590 {
3591 .word = "$ncpus",
3592 .desc = "Number of CPUs online in the system",
3593 },
3594 {
3595 .word = NULL,
3596 },
3597};
3598
3599void fio_keywords_init(void)
3600{
3601 unsigned long long mb_memory;
3602 char buf[128];
3603 long l;
3604
3605 sprintf(buf, "%lu", (unsigned long) page_size);
3606 fio_keywords[0].replace = strdup(buf);
3607
3608 mb_memory = os_phys_mem() / (1024 * 1024);
3609 sprintf(buf, "%llu", mb_memory);
3610 fio_keywords[1].replace = strdup(buf);
3611
3612 l = cpus_online();
3613 sprintf(buf, "%lu", l);
3614 fio_keywords[2].replace = strdup(buf);
3615}
3616
3617#define BC_APP "bc"
3618
3619static char *bc_calc(char *str)
3620{
3621 char buf[128], *tmp;
3622 FILE *f;
3623 int ret;
3624
3625 /*
3626 * No math, just return string
3627 */
3628 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3629 !strchr(str, '/')) || strchr(str, '\''))
3630 return str;
3631
3632 /*
3633 * Split option from value, we only need to calculate the value
3634 */
3635 tmp = strchr(str, '=');
3636 if (!tmp)
3637 return str;
3638
3639 tmp++;
3640
3641 /*
3642 * Prevent buffer overflows; such a case isn't reasonable anyway
3643 */
3644 if (strlen(str) >= 128 || strlen(tmp) > 100)
3645 return str;
3646
3647 sprintf(buf, "which %s > /dev/null", BC_APP);
3648 if (system(buf)) {
3649 log_err("fio: bc is needed for performing math\n");
3650 return NULL;
3651 }
3652
3653 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
3654 f = popen(buf, "r");
3655 if (!f)
3656 return NULL;
3657
3658 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
3659 if (ret <= 0) {
3660 pclose(f);
3661 return NULL;
3662 }
3663
3664 pclose(f);
3665 buf[(tmp - str) + ret - 1] = '\0';
3666 memcpy(buf, str, tmp - str);
3667 free(str);
3668 return strdup(buf);
3669}
3670
3671/*
3672 * Return a copy of the input string with substrings of the form ${VARNAME}
3673 * substituted with the value of the environment variable VARNAME. The
3674 * substitution always occurs, even if VARNAME is empty or the corresponding
3675 * environment variable undefined.
3676 */
3677static char *option_dup_subs(const char *opt)
3678{
3679 char out[OPT_LEN_MAX+1];
3680 char in[OPT_LEN_MAX+1];
3681 char *outptr = out;
3682 char *inptr = in;
3683 char *ch1, *ch2, *env;
3684 ssize_t nchr = OPT_LEN_MAX;
3685 size_t envlen;
3686
3687 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3688 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3689 return NULL;
3690 }
3691
3692 in[OPT_LEN_MAX] = '\0';
3693 strncpy(in, opt, OPT_LEN_MAX);
3694
3695 while (*inptr && nchr > 0) {
3696 if (inptr[0] == '$' && inptr[1] == '{') {
3697 ch2 = strchr(inptr, '}');
3698 if (ch2 && inptr+1 < ch2) {
3699 ch1 = inptr+2;
3700 inptr = ch2+1;
3701 *ch2 = '\0';
3702
3703 env = getenv(ch1);
3704 if (env) {
3705 envlen = strlen(env);
3706 if (envlen <= nchr) {
3707 memcpy(outptr, env, envlen);
3708 outptr += envlen;
3709 nchr -= envlen;
3710 }
3711 }
3712
3713 continue;
3714 }
3715 }
3716
3717 *outptr++ = *inptr++;
3718 --nchr;
3719 }
3720
3721 *outptr = '\0';
3722 return strdup(out);
3723}
3724
3725/*
3726 * Look for reserved variable names and replace them with real values
3727 */
3728static char *fio_keyword_replace(char *opt)
3729{
3730 char *s;
3731 int i;
3732 int docalc = 0;
3733
3734 for (i = 0; fio_keywords[i].word != NULL; i++) {
3735 struct fio_keyword *kw = &fio_keywords[i];
3736
3737 while ((s = strstr(opt, kw->word)) != NULL) {
3738 char *new = malloc(strlen(opt) + 1);
3739 char *o_org = opt;
3740 int olen = s - opt;
3741 int len;
3742
3743 /*
3744 * Copy part of the string before the keyword and
3745 * sprintf() the replacement after it.
3746 */
3747 memcpy(new, opt, olen);
3748 len = sprintf(new + olen, "%s", kw->replace);
3749
3750 /*
3751 * If there's more in the original string, copy that
3752 * in too
3753 */
3754 opt += strlen(kw->word) + olen;
3755 if (strlen(opt))
3756 memcpy(new + olen + len, opt, opt - o_org - 1);
3757
3758 /*
3759 * replace opt and free the old opt
3760 */
3761 opt = new;
3762 free(o_org);
3763
3764 docalc = 1;
3765 }
3766 }
3767
3768 /*
3769 * Check for potential math and invoke bc, if possible
3770 */
3771 if (docalc)
3772 opt = bc_calc(opt);
3773
3774 return opt;
3775}
3776
3777static char **dup_and_sub_options(char **opts, int num_opts)
3778{
3779 int i;
3780 char **opts_copy = malloc(num_opts * sizeof(*opts));
3781 for (i = 0; i < num_opts; i++) {
3782 opts_copy[i] = option_dup_subs(opts[i]);
3783 if (!opts_copy[i])
3784 continue;
3785 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3786 }
3787 return opts_copy;
3788}
3789
3790int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3791 int dump_cmdline)
3792{
3793 int i, ret, unknown;
3794 char **opts_copy;
3795
3796 sort_options(opts, fio_options, num_opts);
3797 opts_copy = dup_and_sub_options(opts, num_opts);
3798
3799 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3800 struct fio_option *o;
3801 int newret = parse_option(opts_copy[i], opts[i], fio_options,
3802 &o, td, dump_cmdline);
3803
3804 if (opts_copy[i]) {
3805 if (newret && !o) {
3806 unknown++;
3807 continue;
3808 }
3809 free(opts_copy[i]);
3810 opts_copy[i] = NULL;
3811 }
3812
3813 ret |= newret;
3814 }
3815
3816 if (unknown) {
3817 ret |= ioengine_load(td);
3818 if (td->eo) {
3819 sort_options(opts_copy, td->io_ops->options, num_opts);
3820 opts = opts_copy;
3821 }
3822 for (i = 0; i < num_opts; i++) {
3823 struct fio_option *o = NULL;
3824 int newret = 1;
3825 if (!opts_copy[i])
3826 continue;
3827
3828 if (td->eo)
3829 newret = parse_option(opts_copy[i], opts[i],
3830 td->io_ops->options, &o,
3831 td->eo, dump_cmdline);
3832
3833 ret |= newret;
3834 if (!o)
3835 log_err("Bad option <%s>\n", opts[i]);
3836
3837 free(opts_copy[i]);
3838 opts_copy[i] = NULL;
3839 }
3840 }
3841
3842 free(opts_copy);
3843 return ret;
3844}
3845
3846int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3847{
3848 return parse_cmd_option(opt, val, fio_options, td);
3849}
3850
3851int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3852 char *val)
3853{
3854 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
3855}
3856
3857void fio_fill_default_options(struct thread_data *td)
3858{
3859 td->o.magic = OPT_MAGIC;
3860 fill_default_options(td, fio_options);
3861}
3862
3863int fio_show_option_help(const char *opt)
3864{
3865 return show_cmd_help(fio_options, opt);
3866}
3867
3868void options_mem_dupe(void *data, struct fio_option *options)
3869{
3870 struct fio_option *o;
3871 char **ptr;
3872
3873 for (o = &options[0]; o->name; o++) {
3874 if (o->type != FIO_OPT_STR_STORE)
3875 continue;
3876
3877 ptr = td_var(data, o, o->off1);
3878 if (*ptr)
3879 *ptr = strdup(*ptr);
3880 }
3881}
3882
3883/*
3884 * dupe FIO_OPT_STR_STORE options
3885 */
3886void fio_options_mem_dupe(struct thread_data *td)
3887{
3888 options_mem_dupe(&td->o, fio_options);
3889
3890 if (td->eo && td->io_ops) {
3891 void *oldeo = td->eo;
3892
3893 td->eo = malloc(td->io_ops->option_struct_size);
3894 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3895 options_mem_dupe(td->eo, td->io_ops->options);
3896 }
3897}
3898
3899unsigned int fio_get_kb_base(void *data)
3900{
3901 struct thread_options *o = data;
3902 unsigned int kb_base = 0;
3903
3904 /*
3905 * This is a hack... For private options, *data is not holding
3906 * a pointer to the thread_options, but to private data. This means
3907 * we can't safely dereference it, but magic is first so mem wise
3908 * it is valid. But this also means that if the job first sets
3909 * kb_base and expects that to be honored by private options,
3910 * it will be disappointed. We will return the global default
3911 * for this.
3912 */
3913 if (o && o->magic == OPT_MAGIC)
3914 kb_base = o->kb_base;
3915 if (!kb_base)
3916 kb_base = 1024;
3917
3918 return kb_base;
3919}
3920
3921int add_option(struct fio_option *o)
3922{
3923 struct fio_option *__o;
3924 int opt_index = 0;
3925
3926 __o = fio_options;
3927 while (__o->name) {
3928 opt_index++;
3929 __o++;
3930 }
3931
3932 if (opt_index + 1 == FIO_MAX_OPTS) {
3933 log_err("fio: FIO_MAX_OPTS is too small\n");
3934 return 1;
3935 }
3936
3937 memcpy(&fio_options[opt_index], o, sizeof(*o));
3938 fio_options[opt_index + 1].name = NULL;
3939 return 0;
3940}
3941
3942void invalidate_profile_options(const char *prof_name)
3943{
3944 struct fio_option *o;
3945
3946 o = fio_options;
3947 while (o->name) {
3948 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
3949 o->type = FIO_OPT_INVALID;
3950 o->prof_name = NULL;
3951 }
3952 o++;
3953 }
3954}
3955
3956void add_opt_posval(const char *optname, const char *ival, const char *help)
3957{
3958 struct fio_option *o;
3959 unsigned int i;
3960
3961 o = find_option(fio_options, optname);
3962 if (!o)
3963 return;
3964
3965 for (i = 0; i < PARSE_MAX_VP; i++) {
3966 if (o->posval[i].ival)
3967 continue;
3968
3969 o->posval[i].ival = ival;
3970 o->posval[i].help = help;
3971 break;
3972 }
3973}
3974
3975void del_opt_posval(const char *optname, const char *ival)
3976{
3977 struct fio_option *o;
3978 unsigned int i;
3979
3980 o = find_option(fio_options, optname);
3981 if (!o)
3982 return;
3983
3984 for (i = 0; i < PARSE_MAX_VP; i++) {
3985 if (!o->posval[i].ival)
3986 continue;
3987 if (strcmp(o->posval[i].ival, ival))
3988 continue;
3989
3990 o->posval[i].ival = NULL;
3991 o->posval[i].help = NULL;
3992 }
3993}
3994
3995void fio_options_free(struct thread_data *td)
3996{
3997 options_free(fio_options, td);
3998 if (td->eo && td->io_ops && td->io_ops->options) {
3999 options_free(td->io_ops->options, td->eo);
4000 free(td->eo);
4001 td->eo = NULL;
4002 }
4003}
4004
4005struct fio_option *fio_option_find(const char *name)
4006{
4007 return find_option(fio_options, name);
4008}
4009
fio - Flexible IO Tester