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init: cleanup random inits
[fio.git] / options.c
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
6#include <assert.h>
7#include <libgen.h>
8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
11#include <netinet/in.h>
12
13#include "fio.h"
14#include "verify.h"
15#include "parse.h"
16#include "lib/fls.h"
17#include "lib/pattern.h"
18#include "options.h"
19#include "optgroup.h"
20
21char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
22
23struct pattern_fmt_desc fmt_desc[] = {
24 {
25 .fmt = "%o",
26 .len = FIELD_SIZE(struct io_u *, offset),
27 .paste = paste_blockoff
28 }
29};
30
31/*
32 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
33 */
34static char *get_opt_postfix(const char *str)
35{
36 char *p = strstr(str, ":");
37
38 if (!p)
39 return NULL;
40
41 p++;
42 strip_blank_front(&p);
43 strip_blank_end(p);
44 return strdup(p);
45}
46
47static int bs_cmp(const void *p1, const void *p2)
48{
49 const struct bssplit *bsp1 = p1;
50 const struct bssplit *bsp2 = p2;
51
52 return (int) bsp1->perc - (int) bsp2->perc;
53}
54
55struct split {
56 unsigned int nr;
57 unsigned int val1[100];
58 unsigned int val2[100];
59};
60
61static int split_parse_ddir(struct thread_options *o, struct split *split,
62 enum fio_ddir ddir, char *str)
63{
64 unsigned int i, perc;
65 long long val;
66 char *fname;
67
68 split->nr = 0;
69
70 i = 0;
71 while ((fname = strsep(&str, ":")) != NULL) {
72 char *perc_str;
73
74 if (!strlen(fname))
75 break;
76
77 perc_str = strstr(fname, "/");
78 if (perc_str) {
79 *perc_str = '\0';
80 perc_str++;
81 perc = atoi(perc_str);
82 if (perc > 100)
83 perc = 100;
84 else if (!perc)
85 perc = -1U;
86 } else
87 perc = -1U;
88
89 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
90 log_err("fio: bssplit conversion failed\n");
91 return 1;
92 }
93
94 split->val1[i] = val;
95 split->val2[i] = perc;
96 i++;
97 if (i == 100)
98 break;
99 }
100
101 split->nr = i;
102 return 0;
103}
104
105static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
106{
107 unsigned int i, perc, perc_missing;
108 unsigned int max_bs, min_bs;
109 struct split split;
110
111 memset(&split, 0, sizeof(split));
112
113 if (split_parse_ddir(o, &split, ddir, str))
114 return 1;
115 if (!split.nr)
116 return 0;
117
118 max_bs = 0;
119 min_bs = -1;
120 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
121 o->bssplit_nr[ddir] = split.nr;
122 for (i = 0; i < split.nr; i++) {
123 if (split.val1[i] > max_bs)
124 max_bs = split.val1[i];
125 if (split.val1[i] < min_bs)
126 min_bs = split.val1[i];
127
128 o->bssplit[ddir][i].bs = split.val1[i];
129 o->bssplit[ddir][i].perc =split.val2[i];
130 }
131
132 /*
133 * Now check if the percentages add up, and how much is missing
134 */
135 perc = perc_missing = 0;
136 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
137 struct bssplit *bsp = &o->bssplit[ddir][i];
138
139 if (bsp->perc == -1U)
140 perc_missing++;
141 else
142 perc += bsp->perc;
143 }
144
145 if (perc > 100 && perc_missing > 1) {
146 log_err("fio: bssplit percentages add to more than 100%%\n");
147 free(o->bssplit[ddir]);
148 o->bssplit[ddir] = NULL;
149 return 1;
150 }
151
152 /*
153 * If values didn't have a percentage set, divide the remains between
154 * them.
155 */
156 if (perc_missing) {
157 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
158 perc = 100;
159 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
160 struct bssplit *bsp = &o->bssplit[ddir][i];
161
162 if (bsp->perc == -1U)
163 bsp->perc = (100 - perc) / perc_missing;
164 }
165 }
166
167 o->min_bs[ddir] = min_bs;
168 o->max_bs[ddir] = max_bs;
169
170 /*
171 * now sort based on percentages, for ease of lookup
172 */
173 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
174 return 0;
175}
176
177typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *);
178
179static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn)
180{
181 char *odir, *ddir;
182 int ret = 0;
183
184 odir = strchr(str, ',');
185 if (odir) {
186 ddir = strchr(odir + 1, ',');
187 if (ddir) {
188 ret = fn(&td->o, DDIR_TRIM, ddir + 1);
189 if (!ret)
190 *ddir = '\0';
191 } else {
192 char *op;
193
194 op = strdup(odir + 1);
195 ret = fn(&td->o, DDIR_TRIM, op);
196
197 free(op);
198 }
199 if (!ret)
200 ret = fn(&td->o, DDIR_WRITE, odir + 1);
201 if (!ret) {
202 *odir = '\0';
203 ret = fn(&td->o, DDIR_READ, str);
204 }
205 } else {
206 char *op;
207
208 op = strdup(str);
209 ret = fn(&td->o, DDIR_WRITE, op);
210 free(op);
211
212 if (!ret) {
213 op = strdup(str);
214 ret = fn(&td->o, DDIR_TRIM, op);
215 free(op);
216 }
217 if (!ret)
218 ret = fn(&td->o, DDIR_READ, str);
219 }
220
221 return ret;
222}
223
224static int str_bssplit_cb(void *data, const char *input)
225{
226 struct thread_data *td = data;
227 char *str, *p;
228 int ret = 0;
229
230 p = str = strdup(input);
231
232 strip_blank_front(&str);
233 strip_blank_end(str);
234
235 ret = str_split_parse(td, str, bssplit_ddir);
236
237 if (parse_dryrun()) {
238 int i;
239
240 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
241 free(td->o.bssplit[i]);
242 td->o.bssplit[i] = NULL;
243 td->o.bssplit_nr[i] = 0;
244 }
245 }
246
247 free(p);
248 return ret;
249}
250
251static int str2error(char *str)
252{
253 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
254 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
255 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
256 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
257 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
258 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
259 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
260 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
261 int i = 0, num = sizeof(err) / sizeof(void *);
262
263 while (i < num) {
264 if (!strcmp(err[i], str))
265 return i + 1;
266 i++;
267 }
268 return 0;
269}
270
271static int ignore_error_type(struct thread_data *td, int etype, char *str)
272{
273 unsigned int i;
274 int *error;
275 char *fname;
276
277 if (etype >= ERROR_TYPE_CNT) {
278 log_err("Illegal error type\n");
279 return 1;
280 }
281
282 td->o.ignore_error_nr[etype] = 4;
283 error = malloc(4 * sizeof(struct bssplit));
284
285 i = 0;
286 while ((fname = strsep(&str, ":")) != NULL) {
287
288 if (!strlen(fname))
289 break;
290
291 /*
292 * grow struct buffer, if needed
293 */
294 if (i == td->o.ignore_error_nr[etype]) {
295 td->o.ignore_error_nr[etype] <<= 1;
296 error = realloc(error, td->o.ignore_error_nr[etype]
297 * sizeof(int));
298 }
299 if (fname[0] == 'E') {
300 error[i] = str2error(fname);
301 } else {
302 error[i] = atoi(fname);
303 if (error[i] < 0)
304 error[i] = -error[i];
305 }
306 if (!error[i]) {
307 log_err("Unknown error %s, please use number value \n",
308 fname);
309 free(error);
310 return 1;
311 }
312 i++;
313 }
314 if (i) {
315 td->o.continue_on_error |= 1 << etype;
316 td->o.ignore_error_nr[etype] = i;
317 td->o.ignore_error[etype] = error;
318 } else
319 free(error);
320
321 return 0;
322
323}
324
325static int str_ignore_error_cb(void *data, const char *input)
326{
327 struct thread_data *td = data;
328 char *str, *p, *n;
329 int type = 0, ret = 1;
330
331 if (parse_dryrun())
332 return 0;
333
334 p = str = strdup(input);
335
336 strip_blank_front(&str);
337 strip_blank_end(str);
338
339 while (p) {
340 n = strchr(p, ',');
341 if (n)
342 *n++ = '\0';
343 ret = ignore_error_type(td, type, p);
344 if (ret)
345 break;
346 p = n;
347 type++;
348 }
349 free(str);
350 return ret;
351}
352
353static int str_rw_cb(void *data, const char *str)
354{
355 struct thread_data *td = data;
356 struct thread_options *o = &td->o;
357 char *nr;
358
359 if (parse_dryrun())
360 return 0;
361
362 o->ddir_seq_nr = 1;
363 o->ddir_seq_add = 0;
364
365 nr = get_opt_postfix(str);
366 if (!nr)
367 return 0;
368
369 if (td_random(td))
370 o->ddir_seq_nr = atoi(nr);
371 else {
372 long long val;
373
374 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
375 log_err("fio: rw postfix parsing failed\n");
376 free(nr);
377 return 1;
378 }
379
380 o->ddir_seq_add = val;
381 }
382
383 free(nr);
384 return 0;
385}
386
387static int str_mem_cb(void *data, const char *mem)
388{
389 struct thread_data *td = data;
390
391 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
392 td->o.mem_type == MEM_MMAPSHARED)
393 td->o.mmapfile = get_opt_postfix(mem);
394
395 return 0;
396}
397
398static int fio_clock_source_cb(void *data, const char *str)
399{
400 struct thread_data *td = data;
401
402 fio_clock_source = td->o.clocksource;
403 fio_clock_source_set = 1;
404 fio_clock_init();
405 return 0;
406}
407
408static int str_rwmix_read_cb(void *data, unsigned long long *val)
409{
410 struct thread_data *td = data;
411
412 td->o.rwmix[DDIR_READ] = *val;
413 td->o.rwmix[DDIR_WRITE] = 100 - *val;
414 return 0;
415}
416
417static int str_rwmix_write_cb(void *data, unsigned long long *val)
418{
419 struct thread_data *td = data;
420
421 td->o.rwmix[DDIR_WRITE] = *val;
422 td->o.rwmix[DDIR_READ] = 100 - *val;
423 return 0;
424}
425
426static int str_exitall_cb(void)
427{
428 exitall_on_terminate = 1;
429 return 0;
430}
431
432#ifdef FIO_HAVE_CPU_AFFINITY
433int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
434{
435 unsigned int i, index, cpus_in_mask;
436 const long max_cpu = cpus_online();
437
438 cpus_in_mask = fio_cpu_count(mask);
439 cpu_index = cpu_index % cpus_in_mask;
440
441 index = 0;
442 for (i = 0; i < max_cpu; i++) {
443 if (!fio_cpu_isset(mask, i))
444 continue;
445
446 if (cpu_index != index)
447 fio_cpu_clear(mask, i);
448
449 index++;
450 }
451
452 return fio_cpu_count(mask);
453}
454
455static int str_cpumask_cb(void *data, unsigned long long *val)
456{
457 struct thread_data *td = data;
458 unsigned int i;
459 long max_cpu;
460 int ret;
461
462 if (parse_dryrun())
463 return 0;
464
465 ret = fio_cpuset_init(&td->o.cpumask);
466 if (ret < 0) {
467 log_err("fio: cpuset_init failed\n");
468 td_verror(td, ret, "fio_cpuset_init");
469 return 1;
470 }
471
472 max_cpu = cpus_online();
473
474 for (i = 0; i < sizeof(int) * 8; i++) {
475 if ((1 << i) & *val) {
476 if (i >= max_cpu) {
477 log_err("fio: CPU %d too large (max=%ld)\n", i,
478 max_cpu - 1);
479 return 1;
480 }
481 dprint(FD_PARSE, "set cpu allowed %d\n", i);
482 fio_cpu_set(&td->o.cpumask, i);
483 }
484 }
485
486 return 0;
487}
488
489static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
490 const char *input)
491{
492 char *cpu, *str, *p;
493 long max_cpu;
494 int ret = 0;
495
496 ret = fio_cpuset_init(mask);
497 if (ret < 0) {
498 log_err("fio: cpuset_init failed\n");
499 td_verror(td, ret, "fio_cpuset_init");
500 return 1;
501 }
502
503 p = str = strdup(input);
504
505 strip_blank_front(&str);
506 strip_blank_end(str);
507
508 max_cpu = cpus_online();
509
510 while ((cpu = strsep(&str, ",")) != NULL) {
511 char *str2, *cpu2;
512 int icpu, icpu2;
513
514 if (!strlen(cpu))
515 break;
516
517 str2 = cpu;
518 icpu2 = -1;
519 while ((cpu2 = strsep(&str2, "-")) != NULL) {
520 if (!strlen(cpu2))
521 break;
522
523 icpu2 = atoi(cpu2);
524 }
525
526 icpu = atoi(cpu);
527 if (icpu2 == -1)
528 icpu2 = icpu;
529 while (icpu <= icpu2) {
530 if (icpu >= FIO_MAX_CPUS) {
531 log_err("fio: your OS only supports up to"
532 " %d CPUs\n", (int) FIO_MAX_CPUS);
533 ret = 1;
534 break;
535 }
536 if (icpu >= max_cpu) {
537 log_err("fio: CPU %d too large (max=%ld)\n",
538 icpu, max_cpu - 1);
539 ret = 1;
540 break;
541 }
542
543 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
544 fio_cpu_set(mask, icpu);
545 icpu++;
546 }
547 if (ret)
548 break;
549 }
550
551 free(p);
552 return ret;
553}
554
555static int str_cpus_allowed_cb(void *data, const char *input)
556{
557 struct thread_data *td = data;
558
559 if (parse_dryrun())
560 return 0;
561
562 return set_cpus_allowed(td, &td->o.cpumask, input);
563}
564
565static int str_verify_cpus_allowed_cb(void *data, const char *input)
566{
567 struct thread_data *td = data;
568
569 if (parse_dryrun())
570 return 0;
571
572 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
573}
574
575#ifdef CONFIG_ZLIB
576static int str_log_cpus_allowed_cb(void *data, const char *input)
577{
578 struct thread_data *td = data;
579
580 if (parse_dryrun())
581 return 0;
582
583 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
584}
585#endif /* CONFIG_ZLIB */
586
587#endif /* FIO_HAVE_CPU_AFFINITY */
588
589#ifdef CONFIG_LIBNUMA
590static int str_numa_cpunodes_cb(void *data, char *input)
591{
592 struct thread_data *td = data;
593 struct bitmask *verify_bitmask;
594
595 if (parse_dryrun())
596 return 0;
597
598 /* numa_parse_nodestring() parses a character string list
599 * of nodes into a bit mask. The bit mask is allocated by
600 * numa_allocate_nodemask(), so it should be freed by
601 * numa_free_nodemask().
602 */
603 verify_bitmask = numa_parse_nodestring(input);
604 if (verify_bitmask == NULL) {
605 log_err("fio: numa_parse_nodestring failed\n");
606 td_verror(td, 1, "str_numa_cpunodes_cb");
607 return 1;
608 }
609 numa_free_nodemask(verify_bitmask);
610
611 td->o.numa_cpunodes = strdup(input);
612 return 0;
613}
614
615static int str_numa_mpol_cb(void *data, char *input)
616{
617 struct thread_data *td = data;
618 const char * const policy_types[] =
619 { "default", "prefer", "bind", "interleave", "local", NULL };
620 int i;
621 char *nodelist;
622 struct bitmask *verify_bitmask;
623
624 if (parse_dryrun())
625 return 0;
626
627 nodelist = strchr(input, ':');
628 if (nodelist) {
629 /* NUL-terminate mode */
630 *nodelist++ = '\0';
631 }
632
633 for (i = 0; i <= MPOL_LOCAL; i++) {
634 if (!strcmp(input, policy_types[i])) {
635 td->o.numa_mem_mode = i;
636 break;
637 }
638 }
639 if (i > MPOL_LOCAL) {
640 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
641 goto out;
642 }
643
644 switch (td->o.numa_mem_mode) {
645 case MPOL_PREFERRED:
646 /*
647 * Insist on a nodelist of one node only
648 */
649 if (nodelist) {
650 char *rest = nodelist;
651 while (isdigit(*rest))
652 rest++;
653 if (*rest) {
654 log_err("fio: one node only for \'prefer\'\n");
655 goto out;
656 }
657 } else {
658 log_err("fio: one node is needed for \'prefer\'\n");
659 goto out;
660 }
661 break;
662 case MPOL_INTERLEAVE:
663 /*
664 * Default to online nodes with memory if no nodelist
665 */
666 if (!nodelist)
667 nodelist = strdup("all");
668 break;
669 case MPOL_LOCAL:
670 case MPOL_DEFAULT:
671 /*
672 * Don't allow a nodelist
673 */
674 if (nodelist) {
675 log_err("fio: NO nodelist for \'local\'\n");
676 goto out;
677 }
678 break;
679 case MPOL_BIND:
680 /*
681 * Insist on a nodelist
682 */
683 if (!nodelist) {
684 log_err("fio: a nodelist is needed for \'bind\'\n");
685 goto out;
686 }
687 break;
688 }
689
690
691 /* numa_parse_nodestring() parses a character string list
692 * of nodes into a bit mask. The bit mask is allocated by
693 * numa_allocate_nodemask(), so it should be freed by
694 * numa_free_nodemask().
695 */
696 switch (td->o.numa_mem_mode) {
697 case MPOL_PREFERRED:
698 td->o.numa_mem_prefer_node = atoi(nodelist);
699 break;
700 case MPOL_INTERLEAVE:
701 case MPOL_BIND:
702 verify_bitmask = numa_parse_nodestring(nodelist);
703 if (verify_bitmask == NULL) {
704 log_err("fio: numa_parse_nodestring failed\n");
705 td_verror(td, 1, "str_numa_memnodes_cb");
706 return 1;
707 }
708 td->o.numa_memnodes = strdup(nodelist);
709 numa_free_nodemask(verify_bitmask);
710
711 break;
712 case MPOL_LOCAL:
713 case MPOL_DEFAULT:
714 default:
715 break;
716 }
717
718 return 0;
719out:
720 return 1;
721}
722#endif
723
724static int str_fst_cb(void *data, const char *str)
725{
726 struct thread_data *td = data;
727 double val;
728 bool done = false;
729 char *nr;
730
731 td->file_service_nr = 1;
732
733 switch (td->o.file_service_type) {
734 case FIO_FSERVICE_RANDOM:
735 case FIO_FSERVICE_RR:
736 case FIO_FSERVICE_SEQ:
737 nr = get_opt_postfix(str);
738 if (nr) {
739 td->file_service_nr = atoi(nr);
740 free(nr);
741 }
742 done = true;
743 break;
744 case FIO_FSERVICE_ZIPF:
745 val = FIO_DEF_ZIPF;
746 break;
747 case FIO_FSERVICE_PARETO:
748 val = FIO_DEF_PARETO;
749 break;
750 case FIO_FSERVICE_GAUSS:
751 val = 0.0;
752 break;
753 default:
754 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
755 return 1;
756 }
757
758 if (done)
759 return 0;
760
761 nr = get_opt_postfix(str);
762 if (nr && !str_to_float(nr, &val, 0)) {
763 log_err("fio: file service type random postfix parsing failed\n");
764 free(nr);
765 return 1;
766 }
767
768 free(nr);
769
770 switch (td->o.file_service_type) {
771 case FIO_FSERVICE_ZIPF:
772 if (val == 1.00) {
773 log_err("fio: zipf theta must be different than 1.0\n");
774 return 1;
775 }
776 if (parse_dryrun())
777 return 0;
778 td->zipf_theta = val;
779 break;
780 case FIO_FSERVICE_PARETO:
781 if (val <= 0.00 || val >= 1.00) {
782 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
783 return 1;
784 }
785 if (parse_dryrun())
786 return 0;
787 td->pareto_h = val;
788 break;
789 case FIO_FSERVICE_GAUSS:
790 if (val < 0.00 || val >= 100.00) {
791 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
792 return 1;
793 }
794 if (parse_dryrun())
795 return 0;
796 td->gauss_dev = val;
797 break;
798 }
799
800 return 0;
801}
802
803#ifdef CONFIG_SYNC_FILE_RANGE
804static int str_sfr_cb(void *data, const char *str)
805{
806 struct thread_data *td = data;
807 char *nr = get_opt_postfix(str);
808
809 td->sync_file_range_nr = 1;
810 if (nr) {
811 td->sync_file_range_nr = atoi(nr);
812 free(nr);
813 }
814
815 return 0;
816}
817#endif
818
819static int zone_cmp(const void *p1, const void *p2)
820{
821 const struct zone_split *zsp1 = p1;
822 const struct zone_split *zsp2 = p2;
823
824 return (int) zsp2->access_perc - (int) zsp1->access_perc;
825}
826
827static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
828 char *str)
829{
830 unsigned int i, perc, perc_missing, sperc, sperc_missing;
831 struct split split;
832
833 memset(&split, 0, sizeof(split));
834
835 if (split_parse_ddir(o, &split, ddir, str))
836 return 1;
837 if (!split.nr)
838 return 0;
839
840 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
841 o->zone_split_nr[ddir] = split.nr;
842 for (i = 0; i < split.nr; i++) {
843 o->zone_split[ddir][i].access_perc = split.val1[i];
844 o->zone_split[ddir][i].size_perc = split.val2[i];
845 }
846
847 /*
848 * Now check if the percentages add up, and how much is missing
849 */
850 perc = perc_missing = 0;
851 sperc = sperc_missing = 0;
852 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
853 struct zone_split *zsp = &o->zone_split[ddir][i];
854
855 if (zsp->access_perc == (uint8_t) -1U)
856 perc_missing++;
857 else
858 perc += zsp->access_perc;
859
860 if (zsp->size_perc == (uint8_t) -1U)
861 sperc_missing++;
862 else
863 sperc += zsp->size_perc;
864
865 }
866
867 if (perc > 100 || sperc > 100) {
868 log_err("fio: zone_split percentages add to more than 100%%\n");
869 free(o->zone_split[ddir]);
870 o->zone_split[ddir] = NULL;
871 return 1;
872 }
873 if (perc < 100) {
874 log_err("fio: access percentage don't add up to 100 for zoned "
875 "random distribution (got=%u)\n", perc);
876 free(o->zone_split[ddir]);
877 o->zone_split[ddir] = NULL;
878 return 1;
879 }
880
881 /*
882 * If values didn't have a percentage set, divide the remains between
883 * them.
884 */
885 if (perc_missing) {
886 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
887 perc = 100;
888 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
889 struct zone_split *zsp = &o->zone_split[ddir][i];
890
891 if (zsp->access_perc == (uint8_t) -1U)
892 zsp->access_perc = (100 - perc) / perc_missing;
893 }
894 }
895 if (sperc_missing) {
896 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
897 sperc = 100;
898 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
899 struct zone_split *zsp = &o->zone_split[ddir][i];
900
901 if (zsp->size_perc == (uint8_t) -1U)
902 zsp->size_perc = (100 - sperc) / sperc_missing;
903 }
904 }
905
906 /*
907 * now sort based on percentages, for ease of lookup
908 */
909 qsort(o->zone_split[ddir], o->zone_split_nr[ddir], sizeof(struct zone_split), zone_cmp);
910 return 0;
911}
912
913static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
914{
915 unsigned int i, j, sprev, aprev;
916
917 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
918
919 sprev = aprev = 0;
920 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
921 struct zone_split *zsp = &td->o.zone_split[ddir][i];
922
923 for (j = aprev; j < aprev + zsp->access_perc; j++) {
924 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
925
926 zsi->size_perc = sprev + zsp->size_perc;
927 zsi->size_perc_prev = sprev;
928 }
929
930 aprev += zsp->access_perc;
931 sprev += zsp->size_perc;
932 }
933}
934
935/*
936 * Generate state table for indexes, so we don't have to do it inline from
937 * the hot IO path
938 */
939static void td_zone_gen_index(struct thread_data *td)
940{
941 int i;
942
943 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
944 sizeof(struct zone_split_index *));
945
946 for (i = 0; i < DDIR_RWDIR_CNT; i++)
947 __td_zone_gen_index(td, i);
948}
949
950static int parse_zoned_distribution(struct thread_data *td, const char *input)
951{
952 char *str, *p;
953 int i, ret = 0;
954
955 p = str = strdup(input);
956
957 strip_blank_front(&str);
958 strip_blank_end(str);
959
960 /* We expect it to start like that, bail if not */
961 if (strncmp(str, "zoned:", 6)) {
962 log_err("fio: mismatch in zoned input <%s>\n", str);
963 free(p);
964 return 1;
965 }
966 str += strlen("zoned:");
967
968 ret = str_split_parse(td, str, zone_split_ddir);
969
970 free(p);
971
972 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
973 int j;
974
975 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
976
977 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
978 struct zone_split *zsp = &td->o.zone_split[i][j];
979
980 dprint(FD_PARSE, "\t%d: %u/%u\n", j, zsp->access_perc,
981 zsp->size_perc);
982 }
983 }
984
985 if (parse_dryrun()) {
986 int i;
987
988 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
989 free(td->o.zone_split[i]);
990 td->o.zone_split[i] = NULL;
991 td->o.zone_split_nr[i] = 0;
992 }
993
994 return ret;
995 }
996
997 if (!ret)
998 td_zone_gen_index(td);
999 else {
1000 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1001 td->o.zone_split_nr[i] = 0;
1002 }
1003
1004 return ret;
1005}
1006
1007static int str_random_distribution_cb(void *data, const char *str)
1008{
1009 struct thread_data *td = data;
1010 double val;
1011 char *nr;
1012
1013 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
1014 val = FIO_DEF_ZIPF;
1015 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
1016 val = FIO_DEF_PARETO;
1017 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1018 val = 0.0;
1019 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
1020 return parse_zoned_distribution(td, str);
1021 else
1022 return 0;
1023
1024 nr = get_opt_postfix(str);
1025 if (nr && !str_to_float(nr, &val, 0)) {
1026 log_err("fio: random postfix parsing failed\n");
1027 free(nr);
1028 return 1;
1029 }
1030
1031 free(nr);
1032
1033 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1034 if (val == 1.00) {
1035 log_err("fio: zipf theta must different than 1.0\n");
1036 return 1;
1037 }
1038 if (parse_dryrun())
1039 return 0;
1040 td->o.zipf_theta.u.f = val;
1041 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
1042 if (val <= 0.00 || val >= 1.00) {
1043 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1044 return 1;
1045 }
1046 if (parse_dryrun())
1047 return 0;
1048 td->o.pareto_h.u.f = val;
1049 } else {
1050 if (val < 0.00 || val >= 100.0) {
1051 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
1052 return 1;
1053 }
1054 if (parse_dryrun())
1055 return 0;
1056 td->o.gauss_dev.u.f = val;
1057 }
1058
1059 return 0;
1060}
1061
1062/*
1063 * Return next name in the string. Files are separated with ':'. If the ':'
1064 * is escaped with a '\', then that ':' is part of the filename and does not
1065 * indicate a new file.
1066 */
1067static char *get_next_name(char **ptr)
1068{
1069 char *str = *ptr;
1070 char *p, *start;
1071
1072 if (!str || !strlen(str))
1073 return NULL;
1074
1075 start = str;
1076 do {
1077 /*
1078 * No colon, we are done
1079 */
1080 p = strchr(str, ':');
1081 if (!p) {
1082 *ptr = NULL;
1083 break;
1084 }
1085
1086 /*
1087 * We got a colon, but it's the first character. Skip and
1088 * continue
1089 */
1090 if (p == start) {
1091 str = ++start;
1092 continue;
1093 }
1094
1095 if (*(p - 1) != '\\') {
1096 *p = '\0';
1097 *ptr = p + 1;
1098 break;
1099 }
1100
1101 memmove(p - 1, p, strlen(p) + 1);
1102 str = p;
1103 } while (1);
1104
1105 return start;
1106}
1107
1108
1109static int get_max_name_idx(char *input)
1110{
1111 unsigned int cur_idx;
1112 char *str, *p;
1113
1114 p = str = strdup(input);
1115 for (cur_idx = 0; ; cur_idx++)
1116 if (get_next_name(&str) == NULL)
1117 break;
1118
1119 free(p);
1120 return cur_idx;
1121}
1122
1123/*
1124 * Returns the directory at the index, indexes > entires will be
1125 * assigned via modulo division of the index
1126 */
1127int set_name_idx(char *target, size_t tlen, char *input, int index)
1128{
1129 unsigned int cur_idx;
1130 int len;
1131 char *fname, *str, *p;
1132
1133 p = str = strdup(input);
1134
1135 index %= get_max_name_idx(input);
1136 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1137 fname = get_next_name(&str);
1138
1139 if (client_sockaddr_str[0]) {
1140 len = snprintf(target, tlen, "%s/%s.", fname,
1141 client_sockaddr_str);
1142 } else
1143 len = snprintf(target, tlen, "%s/", fname);
1144
1145 target[tlen - 1] = '\0';
1146 free(p);
1147
1148 return len;
1149}
1150
1151static int str_filename_cb(void *data, const char *input)
1152{
1153 struct thread_data *td = data;
1154 char *fname, *str, *p;
1155
1156 p = str = strdup(input);
1157
1158 strip_blank_front(&str);
1159 strip_blank_end(str);
1160
1161 if (!td->files_index)
1162 td->o.nr_files = 0;
1163
1164 while ((fname = get_next_name(&str)) != NULL) {
1165 if (!strlen(fname))
1166 break;
1167 add_file(td, fname, 0, 1);
1168 }
1169
1170 free(p);
1171 return 0;
1172}
1173
1174static int str_directory_cb(void *data, const char fio_unused *unused)
1175{
1176 struct thread_data *td = data;
1177 struct stat sb;
1178 char *dirname, *str, *p;
1179 int ret = 0;
1180
1181 if (parse_dryrun())
1182 return 0;
1183
1184 p = str = strdup(td->o.directory);
1185 while ((dirname = get_next_name(&str)) != NULL) {
1186 if (lstat(dirname, &sb) < 0) {
1187 ret = errno;
1188
1189 log_err("fio: %s is not a directory\n", dirname);
1190 td_verror(td, ret, "lstat");
1191 goto out;
1192 }
1193 if (!S_ISDIR(sb.st_mode)) {
1194 log_err("fio: %s is not a directory\n", dirname);
1195 ret = 1;
1196 goto out;
1197 }
1198 }
1199
1200out:
1201 free(p);
1202 return ret;
1203}
1204
1205static int str_opendir_cb(void *data, const char fio_unused *str)
1206{
1207 struct thread_data *td = data;
1208
1209 if (parse_dryrun())
1210 return 0;
1211
1212 if (!td->files_index)
1213 td->o.nr_files = 0;
1214
1215 return add_dir_files(td, td->o.opendir);
1216}
1217
1218static int str_buffer_pattern_cb(void *data, const char *input)
1219{
1220 struct thread_data *td = data;
1221 int ret;
1222
1223 /* FIXME: for now buffer pattern does not support formats */
1224 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1225 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1226 if (ret < 0)
1227 return 1;
1228
1229 assert(ret != 0);
1230 td->o.buffer_pattern_bytes = ret;
1231 if (!td->o.compress_percentage)
1232 td->o.refill_buffers = 0;
1233 td->o.scramble_buffers = 0;
1234 td->o.zero_buffers = 0;
1235
1236 return 0;
1237}
1238
1239static int str_buffer_compress_cb(void *data, unsigned long long *il)
1240{
1241 struct thread_data *td = data;
1242
1243 td->flags |= TD_F_COMPRESS;
1244 td->o.compress_percentage = *il;
1245 return 0;
1246}
1247
1248static int str_dedupe_cb(void *data, unsigned long long *il)
1249{
1250 struct thread_data *td = data;
1251
1252 td->flags |= TD_F_COMPRESS;
1253 td->o.dedupe_percentage = *il;
1254 td->o.refill_buffers = 1;
1255 return 0;
1256}
1257
1258static int str_verify_pattern_cb(void *data, const char *input)
1259{
1260 struct thread_data *td = data;
1261 int ret;
1262
1263 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1264 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
1265 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1266 td->o.verify_fmt, &td->o.verify_fmt_sz);
1267 if (ret < 0)
1268 return 1;
1269
1270 assert(ret != 0);
1271 td->o.verify_pattern_bytes = ret;
1272 /*
1273 * VERIFY_* could already be set
1274 */
1275 if (!fio_option_is_set(&td->o, verify))
1276 td->o.verify = VERIFY_PATTERN;
1277
1278 return 0;
1279}
1280
1281static int str_gtod_reduce_cb(void *data, int *il)
1282{
1283 struct thread_data *td = data;
1284 int val = *il;
1285
1286 td->o.disable_lat = !!val;
1287 td->o.disable_clat = !!val;
1288 td->o.disable_slat = !!val;
1289 td->o.disable_bw = !!val;
1290 td->o.clat_percentiles = !val;
1291 if (val)
1292 td->tv_cache_mask = 63;
1293
1294 return 0;
1295}
1296
1297static int str_size_cb(void *data, unsigned long long *__val)
1298{
1299 struct thread_data *td = data;
1300 unsigned long long v = *__val;
1301
1302 if (parse_is_percent(v)) {
1303 td->o.size = 0;
1304 td->o.size_percent = -1ULL - v;
1305 } else
1306 td->o.size = v;
1307
1308 return 0;
1309}
1310
1311static int rw_verify(struct fio_option *o, void *data)
1312{
1313 struct thread_data *td = data;
1314
1315 if (read_only && td_write(td)) {
1316 log_err("fio: job <%s> has write bit set, but fio is in"
1317 " read-only mode\n", td->o.name);
1318 return 1;
1319 }
1320
1321 return 0;
1322}
1323
1324static int gtod_cpu_verify(struct fio_option *o, void *data)
1325{
1326#ifndef FIO_HAVE_CPU_AFFINITY
1327 struct thread_data *td = data;
1328
1329 if (td->o.gtod_cpu) {
1330 log_err("fio: platform must support CPU affinity for"
1331 "gettimeofday() offloading\n");
1332 return 1;
1333 }
1334#endif
1335
1336 return 0;
1337}
1338
1339/*
1340 * Map of job/command line options
1341 */
1342struct fio_option fio_options[FIO_MAX_OPTS] = {
1343 {
1344 .name = "description",
1345 .lname = "Description of job",
1346 .type = FIO_OPT_STR_STORE,
1347 .off1 = td_var_offset(description),
1348 .help = "Text job description",
1349 .category = FIO_OPT_C_GENERAL,
1350 .group = FIO_OPT_G_DESC,
1351 },
1352 {
1353 .name = "name",
1354 .lname = "Job name",
1355 .type = FIO_OPT_STR_STORE,
1356 .off1 = td_var_offset(name),
1357 .help = "Name of this job",
1358 .category = FIO_OPT_C_GENERAL,
1359 .group = FIO_OPT_G_DESC,
1360 },
1361 {
1362 .name = "wait_for",
1363 .lname = "Waitee name",
1364 .type = FIO_OPT_STR_STORE,
1365 .off1 = td_var_offset(wait_for),
1366 .help = "Name of the job this one wants to wait for before starting",
1367 .category = FIO_OPT_C_GENERAL,
1368 .group = FIO_OPT_G_DESC,
1369 },
1370 {
1371 .name = "filename",
1372 .lname = "Filename(s)",
1373 .type = FIO_OPT_STR_STORE,
1374 .off1 = td_var_offset(filename),
1375 .cb = str_filename_cb,
1376 .prio = -1, /* must come after "directory" */
1377 .help = "File(s) to use for the workload",
1378 .category = FIO_OPT_C_FILE,
1379 .group = FIO_OPT_G_FILENAME,
1380 },
1381 {
1382 .name = "directory",
1383 .lname = "Directory",
1384 .type = FIO_OPT_STR_STORE,
1385 .off1 = td_var_offset(directory),
1386 .cb = str_directory_cb,
1387 .help = "Directory to store files in",
1388 .category = FIO_OPT_C_FILE,
1389 .group = FIO_OPT_G_FILENAME,
1390 },
1391 {
1392 .name = "filename_format",
1393 .type = FIO_OPT_STR_STORE,
1394 .off1 = td_var_offset(filename_format),
1395 .prio = -1, /* must come after "directory" */
1396 .help = "Override default $jobname.$jobnum.$filenum naming",
1397 .def = "$jobname.$jobnum.$filenum",
1398 .category = FIO_OPT_C_FILE,
1399 .group = FIO_OPT_G_FILENAME,
1400 },
1401 {
1402 .name = "lockfile",
1403 .lname = "Lockfile",
1404 .type = FIO_OPT_STR,
1405 .off1 = td_var_offset(file_lock_mode),
1406 .help = "Lock file when doing IO to it",
1407 .prio = 1,
1408 .parent = "filename",
1409 .hide = 0,
1410 .def = "none",
1411 .category = FIO_OPT_C_FILE,
1412 .group = FIO_OPT_G_FILENAME,
1413 .posval = {
1414 { .ival = "none",
1415 .oval = FILE_LOCK_NONE,
1416 .help = "No file locking",
1417 },
1418 { .ival = "exclusive",
1419 .oval = FILE_LOCK_EXCLUSIVE,
1420 .help = "Exclusive file lock",
1421 },
1422 {
1423 .ival = "readwrite",
1424 .oval = FILE_LOCK_READWRITE,
1425 .help = "Read vs write lock",
1426 },
1427 },
1428 },
1429 {
1430 .name = "opendir",
1431 .lname = "Open directory",
1432 .type = FIO_OPT_STR_STORE,
1433 .off1 = td_var_offset(opendir),
1434 .cb = str_opendir_cb,
1435 .help = "Recursively add files from this directory and down",
1436 .category = FIO_OPT_C_FILE,
1437 .group = FIO_OPT_G_FILENAME,
1438 },
1439 {
1440 .name = "rw",
1441 .lname = "Read/write",
1442 .alias = "readwrite",
1443 .type = FIO_OPT_STR,
1444 .cb = str_rw_cb,
1445 .off1 = td_var_offset(td_ddir),
1446 .help = "IO direction",
1447 .def = "read",
1448 .verify = rw_verify,
1449 .category = FIO_OPT_C_IO,
1450 .group = FIO_OPT_G_IO_BASIC,
1451 .posval = {
1452 { .ival = "read",
1453 .oval = TD_DDIR_READ,
1454 .help = "Sequential read",
1455 },
1456 { .ival = "write",
1457 .oval = TD_DDIR_WRITE,
1458 .help = "Sequential write",
1459 },
1460 { .ival = "trim",
1461 .oval = TD_DDIR_TRIM,
1462 .help = "Sequential trim",
1463 },
1464 { .ival = "randread",
1465 .oval = TD_DDIR_RANDREAD,
1466 .help = "Random read",
1467 },
1468 { .ival = "randwrite",
1469 .oval = TD_DDIR_RANDWRITE,
1470 .help = "Random write",
1471 },
1472 { .ival = "randtrim",
1473 .oval = TD_DDIR_RANDTRIM,
1474 .help = "Random trim",
1475 },
1476 { .ival = "rw",
1477 .oval = TD_DDIR_RW,
1478 .help = "Sequential read and write mix",
1479 },
1480 { .ival = "readwrite",
1481 .oval = TD_DDIR_RW,
1482 .help = "Sequential read and write mix",
1483 },
1484 { .ival = "randrw",
1485 .oval = TD_DDIR_RANDRW,
1486 .help = "Random read and write mix"
1487 },
1488 { .ival = "trimwrite",
1489 .oval = TD_DDIR_TRIMWRITE,
1490 .help = "Trim and write mix, trims preceding writes"
1491 },
1492 },
1493 },
1494 {
1495 .name = "rw_sequencer",
1496 .lname = "RW Sequencer",
1497 .type = FIO_OPT_STR,
1498 .off1 = td_var_offset(rw_seq),
1499 .help = "IO offset generator modifier",
1500 .def = "sequential",
1501 .category = FIO_OPT_C_IO,
1502 .group = FIO_OPT_G_IO_BASIC,
1503 .posval = {
1504 { .ival = "sequential",
1505 .oval = RW_SEQ_SEQ,
1506 .help = "Generate sequential offsets",
1507 },
1508 { .ival = "identical",
1509 .oval = RW_SEQ_IDENT,
1510 .help = "Generate identical offsets",
1511 },
1512 },
1513 },
1514
1515 {
1516 .name = "ioengine",
1517 .lname = "IO Engine",
1518 .type = FIO_OPT_STR_STORE,
1519 .off1 = td_var_offset(ioengine),
1520 .help = "IO engine to use",
1521 .def = FIO_PREFERRED_ENGINE,
1522 .category = FIO_OPT_C_IO,
1523 .group = FIO_OPT_G_IO_BASIC,
1524 .posval = {
1525 { .ival = "sync",
1526 .help = "Use read/write",
1527 },
1528 { .ival = "psync",
1529 .help = "Use pread/pwrite",
1530 },
1531 { .ival = "vsync",
1532 .help = "Use readv/writev",
1533 },
1534#ifdef CONFIG_PWRITEV
1535 { .ival = "pvsync",
1536 .help = "Use preadv/pwritev",
1537 },
1538#endif
1539#ifdef CONFIG_PWRITEV2
1540 { .ival = "pvsync2",
1541 .help = "Use preadv2/pwritev2",
1542 },
1543#endif
1544#ifdef CONFIG_LIBAIO
1545 { .ival = "libaio",
1546 .help = "Linux native asynchronous IO",
1547 },
1548#endif
1549#ifdef CONFIG_POSIXAIO
1550 { .ival = "posixaio",
1551 .help = "POSIX asynchronous IO",
1552 },
1553#endif
1554#ifdef CONFIG_SOLARISAIO
1555 { .ival = "solarisaio",
1556 .help = "Solaris native asynchronous IO",
1557 },
1558#endif
1559#ifdef CONFIG_WINDOWSAIO
1560 { .ival = "windowsaio",
1561 .help = "Windows native asynchronous IO"
1562 },
1563#endif
1564#ifdef CONFIG_RBD
1565 { .ival = "rbd",
1566 .help = "Rados Block Device asynchronous IO"
1567 },
1568#endif
1569 { .ival = "mmap",
1570 .help = "Memory mapped IO"
1571 },
1572#ifdef CONFIG_LINUX_SPLICE
1573 { .ival = "splice",
1574 .help = "splice/vmsplice based IO",
1575 },
1576 { .ival = "netsplice",
1577 .help = "splice/vmsplice to/from the network",
1578 },
1579#endif
1580#ifdef FIO_HAVE_SGIO
1581 { .ival = "sg",
1582 .help = "SCSI generic v3 IO",
1583 },
1584#endif
1585 { .ival = "null",
1586 .help = "Testing engine (no data transfer)",
1587 },
1588 { .ival = "net",
1589 .help = "Network IO",
1590 },
1591 { .ival = "cpuio",
1592 .help = "CPU cycle burner engine",
1593 },
1594#ifdef CONFIG_GUASI
1595 { .ival = "guasi",
1596 .help = "GUASI IO engine",
1597 },
1598#endif
1599#ifdef FIO_HAVE_BINJECT
1600 { .ival = "binject",
1601 .help = "binject direct inject block engine",
1602 },
1603#endif
1604#ifdef CONFIG_RDMA
1605 { .ival = "rdma",
1606 .help = "RDMA IO engine",
1607 },
1608#endif
1609#ifdef CONFIG_FUSION_AW
1610 { .ival = "fusion-aw-sync",
1611 .help = "Fusion-io atomic write engine",
1612 },
1613#endif
1614#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1615 { .ival = "e4defrag",
1616 .help = "ext4 defrag engine",
1617 },
1618#endif
1619#ifdef CONFIG_LINUX_FALLOCATE
1620 { .ival = "falloc",
1621 .help = "fallocate() file based engine",
1622 },
1623#endif
1624#ifdef CONFIG_GFAPI
1625 { .ival = "gfapi",
1626 .help = "Glusterfs libgfapi(sync) based engine"
1627 },
1628 { .ival = "gfapi_async",
1629 .help = "Glusterfs libgfapi(async) based engine"
1630 },
1631#endif
1632#ifdef CONFIG_LIBHDFS
1633 { .ival = "libhdfs",
1634 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1635 },
1636#endif
1637#ifdef CONFIG_PMEMBLK
1638 { .ival = "pmemblk",
1639 .help = "NVML libpmemblk based IO engine",
1640 },
1641
1642#endif
1643 { .ival = "external",
1644 .help = "Load external engine (append name)",
1645 },
1646 },
1647 },
1648 {
1649 .name = "iodepth",
1650 .lname = "IO Depth",
1651 .type = FIO_OPT_INT,
1652 .off1 = td_var_offset(iodepth),
1653 .help = "Number of IO buffers to keep in flight",
1654 .minval = 1,
1655 .interval = 1,
1656 .def = "1",
1657 .category = FIO_OPT_C_IO,
1658 .group = FIO_OPT_G_IO_BASIC,
1659 },
1660 {
1661 .name = "iodepth_batch",
1662 .lname = "IO Depth batch",
1663 .alias = "iodepth_batch_submit",
1664 .type = FIO_OPT_INT,
1665 .off1 = td_var_offset(iodepth_batch),
1666 .help = "Number of IO buffers to submit in one go",
1667 .parent = "iodepth",
1668 .hide = 1,
1669 .minval = 1,
1670 .interval = 1,
1671 .def = "1",
1672 .category = FIO_OPT_C_IO,
1673 .group = FIO_OPT_G_IO_BASIC,
1674 },
1675 {
1676 .name = "iodepth_batch_complete_min",
1677 .lname = "Min IO depth batch complete",
1678 .alias = "iodepth_batch_complete",
1679 .type = FIO_OPT_INT,
1680 .off1 = td_var_offset(iodepth_batch_complete_min),
1681 .help = "Min number of IO buffers to retrieve in one go",
1682 .parent = "iodepth",
1683 .hide = 1,
1684 .minval = 0,
1685 .interval = 1,
1686 .def = "1",
1687 .category = FIO_OPT_C_IO,
1688 .group = FIO_OPT_G_IO_BASIC,
1689 },
1690 {
1691 .name = "iodepth_batch_complete_max",
1692 .lname = "Max IO depth batch complete",
1693 .type = FIO_OPT_INT,
1694 .off1 = td_var_offset(iodepth_batch_complete_max),
1695 .help = "Max number of IO buffers to retrieve in one go",
1696 .parent = "iodepth",
1697 .hide = 1,
1698 .minval = 0,
1699 .interval = 1,
1700 .category = FIO_OPT_C_IO,
1701 .group = FIO_OPT_G_IO_BASIC,
1702 },
1703 {
1704 .name = "iodepth_low",
1705 .lname = "IO Depth batch low",
1706 .type = FIO_OPT_INT,
1707 .off1 = td_var_offset(iodepth_low),
1708 .help = "Low water mark for queuing depth",
1709 .parent = "iodepth",
1710 .hide = 1,
1711 .interval = 1,
1712 .category = FIO_OPT_C_IO,
1713 .group = FIO_OPT_G_IO_BASIC,
1714 },
1715 {
1716 .name = "io_submit_mode",
1717 .lname = "IO submit mode",
1718 .type = FIO_OPT_STR,
1719 .off1 = td_var_offset(io_submit_mode),
1720 .help = "How IO submissions and completions are done",
1721 .def = "inline",
1722 .category = FIO_OPT_C_IO,
1723 .group = FIO_OPT_G_IO_BASIC,
1724 .posval = {
1725 { .ival = "inline",
1726 .oval = IO_MODE_INLINE,
1727 .help = "Submit and complete IO inline",
1728 },
1729 { .ival = "offload",
1730 .oval = IO_MODE_OFFLOAD,
1731 .help = "Offload submit and complete to threads",
1732 },
1733 },
1734 },
1735 {
1736 .name = "size",
1737 .lname = "Size",
1738 .type = FIO_OPT_STR_VAL,
1739 .cb = str_size_cb,
1740 .off1 = td_var_offset(size),
1741 .help = "Total size of device or files",
1742 .interval = 1024 * 1024,
1743 .category = FIO_OPT_C_IO,
1744 .group = FIO_OPT_G_INVALID,
1745 },
1746 {
1747 .name = "io_size",
1748 .alias = "io_limit",
1749 .lname = "IO Size",
1750 .type = FIO_OPT_STR_VAL,
1751 .off1 = td_var_offset(io_limit),
1752 .interval = 1024 * 1024,
1753 .category = FIO_OPT_C_IO,
1754 .group = FIO_OPT_G_INVALID,
1755 },
1756 {
1757 .name = "fill_device",
1758 .lname = "Fill device",
1759 .alias = "fill_fs",
1760 .type = FIO_OPT_BOOL,
1761 .off1 = td_var_offset(fill_device),
1762 .help = "Write until an ENOSPC error occurs",
1763 .def = "0",
1764 .category = FIO_OPT_C_FILE,
1765 .group = FIO_OPT_G_INVALID,
1766 },
1767 {
1768 .name = "filesize",
1769 .lname = "File size",
1770 .type = FIO_OPT_STR_VAL,
1771 .off1 = td_var_offset(file_size_low),
1772 .off2 = td_var_offset(file_size_high),
1773 .minval = 1,
1774 .help = "Size of individual files",
1775 .interval = 1024 * 1024,
1776 .category = FIO_OPT_C_FILE,
1777 .group = FIO_OPT_G_INVALID,
1778 },
1779 {
1780 .name = "file_append",
1781 .lname = "File append",
1782 .type = FIO_OPT_BOOL,
1783 .off1 = td_var_offset(file_append),
1784 .help = "IO will start at the end of the file(s)",
1785 .def = "0",
1786 .category = FIO_OPT_C_FILE,
1787 .group = FIO_OPT_G_INVALID,
1788 },
1789 {
1790 .name = "offset",
1791 .lname = "IO offset",
1792 .alias = "fileoffset",
1793 .type = FIO_OPT_STR_VAL,
1794 .off1 = td_var_offset(start_offset),
1795 .help = "Start IO from this offset",
1796 .def = "0",
1797 .interval = 1024 * 1024,
1798 .category = FIO_OPT_C_IO,
1799 .group = FIO_OPT_G_INVALID,
1800 },
1801 {
1802 .name = "offset_increment",
1803 .lname = "IO offset increment",
1804 .type = FIO_OPT_STR_VAL,
1805 .off1 = td_var_offset(offset_increment),
1806 .help = "What is the increment from one offset to the next",
1807 .parent = "offset",
1808 .hide = 1,
1809 .def = "0",
1810 .interval = 1024 * 1024,
1811 .category = FIO_OPT_C_IO,
1812 .group = FIO_OPT_G_INVALID,
1813 },
1814 {
1815 .name = "number_ios",
1816 .lname = "Number of IOs to perform",
1817 .type = FIO_OPT_STR_VAL,
1818 .off1 = td_var_offset(number_ios),
1819 .help = "Force job completion after this number of IOs",
1820 .def = "0",
1821 .category = FIO_OPT_C_IO,
1822 .group = FIO_OPT_G_INVALID,
1823 },
1824 {
1825 .name = "bs",
1826 .lname = "Block size",
1827 .alias = "blocksize",
1828 .type = FIO_OPT_INT,
1829 .off1 = td_var_offset(bs[DDIR_READ]),
1830 .off2 = td_var_offset(bs[DDIR_WRITE]),
1831 .off3 = td_var_offset(bs[DDIR_TRIM]),
1832 .minval = 1,
1833 .help = "Block size unit",
1834 .def = "4k",
1835 .parent = "rw",
1836 .hide = 1,
1837 .interval = 512,
1838 .category = FIO_OPT_C_IO,
1839 .group = FIO_OPT_G_INVALID,
1840 },
1841 {
1842 .name = "ba",
1843 .lname = "Block size align",
1844 .alias = "blockalign",
1845 .type = FIO_OPT_INT,
1846 .off1 = td_var_offset(ba[DDIR_READ]),
1847 .off2 = td_var_offset(ba[DDIR_WRITE]),
1848 .off3 = td_var_offset(ba[DDIR_TRIM]),
1849 .minval = 1,
1850 .help = "IO block offset alignment",
1851 .parent = "rw",
1852 .hide = 1,
1853 .interval = 512,
1854 .category = FIO_OPT_C_IO,
1855 .group = FIO_OPT_G_INVALID,
1856 },
1857 {
1858 .name = "bsrange",
1859 .lname = "Block size range",
1860 .alias = "blocksize_range",
1861 .type = FIO_OPT_RANGE,
1862 .off1 = td_var_offset(min_bs[DDIR_READ]),
1863 .off2 = td_var_offset(max_bs[DDIR_READ]),
1864 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1865 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1866 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1867 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1868 .minval = 1,
1869 .help = "Set block size range (in more detail than bs)",
1870 .parent = "rw",
1871 .hide = 1,
1872 .interval = 4096,
1873 .category = FIO_OPT_C_IO,
1874 .group = FIO_OPT_G_INVALID,
1875 },
1876 {
1877 .name = "bssplit",
1878 .lname = "Block size split",
1879 .type = FIO_OPT_STR,
1880 .cb = str_bssplit_cb,
1881 .off1 = td_var_offset(bssplit),
1882 .help = "Set a specific mix of block sizes",
1883 .parent = "rw",
1884 .hide = 1,
1885 .category = FIO_OPT_C_IO,
1886 .group = FIO_OPT_G_INVALID,
1887 },
1888 {
1889 .name = "bs_unaligned",
1890 .lname = "Block size unaligned",
1891 .alias = "blocksize_unaligned",
1892 .type = FIO_OPT_STR_SET,
1893 .off1 = td_var_offset(bs_unaligned),
1894 .help = "Don't sector align IO buffer sizes",
1895 .parent = "rw",
1896 .hide = 1,
1897 .category = FIO_OPT_C_IO,
1898 .group = FIO_OPT_G_INVALID,
1899 },
1900 {
1901 .name = "bs_is_seq_rand",
1902 .lname = "Block size division is seq/random (not read/write)",
1903 .type = FIO_OPT_BOOL,
1904 .off1 = td_var_offset(bs_is_seq_rand),
1905 .help = "Consider any blocksize setting to be sequential,random",
1906 .def = "0",
1907 .parent = "blocksize",
1908 .category = FIO_OPT_C_IO,
1909 .group = FIO_OPT_G_INVALID,
1910 },
1911 {
1912 .name = "randrepeat",
1913 .lname = "Random repeatable",
1914 .type = FIO_OPT_BOOL,
1915 .off1 = td_var_offset(rand_repeatable),
1916 .help = "Use repeatable random IO pattern",
1917 .def = "1",
1918 .parent = "rw",
1919 .hide = 1,
1920 .category = FIO_OPT_C_IO,
1921 .group = FIO_OPT_G_RANDOM,
1922 },
1923 {
1924 .name = "randseed",
1925 .lname = "The random generator seed",
1926 .type = FIO_OPT_STR_VAL,
1927 .off1 = td_var_offset(rand_seed),
1928 .help = "Set the random generator seed value",
1929 .def = "0x89",
1930 .parent = "rw",
1931 .category = FIO_OPT_C_IO,
1932 .group = FIO_OPT_G_RANDOM,
1933 },
1934 {
1935 .name = "use_os_rand",
1936 .lname = "Use OS random",
1937 .type = FIO_OPT_DEPRECATED,
1938 .off1 = td_var_offset(dep_use_os_rand),
1939 .category = FIO_OPT_C_IO,
1940 .group = FIO_OPT_G_RANDOM,
1941 },
1942 {
1943 .name = "norandommap",
1944 .lname = "No randommap",
1945 .type = FIO_OPT_STR_SET,
1946 .off1 = td_var_offset(norandommap),
1947 .help = "Accept potential duplicate random blocks",
1948 .parent = "rw",
1949 .hide = 1,
1950 .hide_on_set = 1,
1951 .category = FIO_OPT_C_IO,
1952 .group = FIO_OPT_G_RANDOM,
1953 },
1954 {
1955 .name = "softrandommap",
1956 .lname = "Soft randommap",
1957 .type = FIO_OPT_BOOL,
1958 .off1 = td_var_offset(softrandommap),
1959 .help = "Set norandommap if randommap allocation fails",
1960 .parent = "norandommap",
1961 .hide = 1,
1962 .def = "0",
1963 .category = FIO_OPT_C_IO,
1964 .group = FIO_OPT_G_RANDOM,
1965 },
1966 {
1967 .name = "random_generator",
1968 .type = FIO_OPT_STR,
1969 .off1 = td_var_offset(random_generator),
1970 .help = "Type of random number generator to use",
1971 .def = "tausworthe",
1972 .posval = {
1973 { .ival = "tausworthe",
1974 .oval = FIO_RAND_GEN_TAUSWORTHE,
1975 .help = "Strong Tausworthe generator",
1976 },
1977 { .ival = "lfsr",
1978 .oval = FIO_RAND_GEN_LFSR,
1979 .help = "Variable length LFSR",
1980 },
1981 {
1982 .ival = "tausworthe64",
1983 .oval = FIO_RAND_GEN_TAUSWORTHE64,
1984 .help = "64-bit Tausworthe variant",
1985 },
1986 },
1987 .category = FIO_OPT_C_IO,
1988 .group = FIO_OPT_G_RANDOM,
1989 },
1990 {
1991 .name = "random_distribution",
1992 .type = FIO_OPT_STR,
1993 .off1 = td_var_offset(random_distribution),
1994 .cb = str_random_distribution_cb,
1995 .help = "Random offset distribution generator",
1996 .def = "random",
1997 .posval = {
1998 { .ival = "random",
1999 .oval = FIO_RAND_DIST_RANDOM,
2000 .help = "Completely random",
2001 },
2002 { .ival = "zipf",
2003 .oval = FIO_RAND_DIST_ZIPF,
2004 .help = "Zipf distribution",
2005 },
2006 { .ival = "pareto",
2007 .oval = FIO_RAND_DIST_PARETO,
2008 .help = "Pareto distribution",
2009 },
2010 { .ival = "normal",
2011 .oval = FIO_RAND_DIST_GAUSS,
2012 .help = "Normal (gaussian) distribution",
2013 },
2014 { .ival = "zoned",
2015 .oval = FIO_RAND_DIST_ZONED,
2016 .help = "Zoned random distribution",
2017 },
2018
2019 },
2020 .category = FIO_OPT_C_IO,
2021 .group = FIO_OPT_G_RANDOM,
2022 },
2023 {
2024 .name = "percentage_random",
2025 .lname = "Percentage Random",
2026 .type = FIO_OPT_INT,
2027 .off1 = td_var_offset(perc_rand[DDIR_READ]),
2028 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
2029 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
2030 .maxval = 100,
2031 .help = "Percentage of seq/random mix that should be random",
2032 .def = "100,100,100",
2033 .interval = 5,
2034 .inverse = "percentage_sequential",
2035 .category = FIO_OPT_C_IO,
2036 .group = FIO_OPT_G_RANDOM,
2037 },
2038 {
2039 .name = "percentage_sequential",
2040 .lname = "Percentage Sequential",
2041 .type = FIO_OPT_DEPRECATED,
2042 .category = FIO_OPT_C_IO,
2043 .group = FIO_OPT_G_RANDOM,
2044 },
2045 {
2046 .name = "allrandrepeat",
2047 .type = FIO_OPT_BOOL,
2048 .off1 = td_var_offset(allrand_repeatable),
2049 .help = "Use repeatable random numbers for everything",
2050 .def = "0",
2051 .category = FIO_OPT_C_IO,
2052 .group = FIO_OPT_G_RANDOM,
2053 },
2054 {
2055 .name = "nrfiles",
2056 .lname = "Number of files",
2057 .alias = "nr_files",
2058 .type = FIO_OPT_INT,
2059 .off1 = td_var_offset(nr_files),
2060 .help = "Split job workload between this number of files",
2061 .def = "1",
2062 .interval = 1,
2063 .category = FIO_OPT_C_FILE,
2064 .group = FIO_OPT_G_INVALID,
2065 },
2066 {
2067 .name = "openfiles",
2068 .lname = "Number of open files",
2069 .type = FIO_OPT_INT,
2070 .off1 = td_var_offset(open_files),
2071 .help = "Number of files to keep open at the same time",
2072 .category = FIO_OPT_C_FILE,
2073 .group = FIO_OPT_G_INVALID,
2074 },
2075 {
2076 .name = "file_service_type",
2077 .lname = "File service type",
2078 .type = FIO_OPT_STR,
2079 .cb = str_fst_cb,
2080 .off1 = td_var_offset(file_service_type),
2081 .help = "How to select which file to service next",
2082 .def = "roundrobin",
2083 .category = FIO_OPT_C_FILE,
2084 .group = FIO_OPT_G_INVALID,
2085 .posval = {
2086 { .ival = "random",
2087 .oval = FIO_FSERVICE_RANDOM,
2088 .help = "Choose a file at random (uniform)",
2089 },
2090 { .ival = "zipf",
2091 .oval = FIO_FSERVICE_ZIPF,
2092 .help = "Zipf randomized",
2093 },
2094 { .ival = "pareto",
2095 .oval = FIO_FSERVICE_PARETO,
2096 .help = "Pareto randomized",
2097 },
2098 { .ival = "gauss",
2099 .oval = FIO_FSERVICE_GAUSS,
2100 .help = "Normal (guassian) distribution",
2101 },
2102 { .ival = "roundrobin",
2103 .oval = FIO_FSERVICE_RR,
2104 .help = "Round robin select files",
2105 },
2106 { .ival = "sequential",
2107 .oval = FIO_FSERVICE_SEQ,
2108 .help = "Finish one file before moving to the next",
2109 },
2110 },
2111 .parent = "nrfiles",
2112 .hide = 1,
2113 },
2114#ifdef CONFIG_POSIX_FALLOCATE
2115 {
2116 .name = "fallocate",
2117 .lname = "Fallocate",
2118 .type = FIO_OPT_STR,
2119 .off1 = td_var_offset(fallocate_mode),
2120 .help = "Whether pre-allocation is performed when laying out files",
2121 .def = "posix",
2122 .category = FIO_OPT_C_FILE,
2123 .group = FIO_OPT_G_INVALID,
2124 .posval = {
2125 { .ival = "none",
2126 .oval = FIO_FALLOCATE_NONE,
2127 .help = "Do not pre-allocate space",
2128 },
2129 { .ival = "posix",
2130 .oval = FIO_FALLOCATE_POSIX,
2131 .help = "Use posix_fallocate()",
2132 },
2133#ifdef CONFIG_LINUX_FALLOCATE
2134 { .ival = "keep",
2135 .oval = FIO_FALLOCATE_KEEP_SIZE,
2136 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2137 },
2138#endif
2139 /* Compatibility with former boolean values */
2140 { .ival = "0",
2141 .oval = FIO_FALLOCATE_NONE,
2142 .help = "Alias for 'none'",
2143 },
2144 { .ival = "1",
2145 .oval = FIO_FALLOCATE_POSIX,
2146 .help = "Alias for 'posix'",
2147 },
2148 },
2149 },
2150#endif /* CONFIG_POSIX_FALLOCATE */
2151 {
2152 .name = "fadvise_hint",
2153 .lname = "Fadvise hint",
2154 .type = FIO_OPT_BOOL,
2155 .off1 = td_var_offset(fadvise_hint),
2156 .help = "Use fadvise() to advise the kernel on IO pattern",
2157 .def = "1",
2158 .category = FIO_OPT_C_FILE,
2159 .group = FIO_OPT_G_INVALID,
2160 },
2161#ifdef FIO_HAVE_STREAMID
2162 {
2163 .name = "fadvise_stream",
2164 .lname = "Fadvise stream",
2165 .type = FIO_OPT_INT,
2166 .off1 = td_var_offset(fadvise_stream),
2167 .help = "Use fadvise() to set stream ID",
2168 .category = FIO_OPT_C_FILE,
2169 .group = FIO_OPT_G_INVALID,
2170 },
2171#endif
2172 {
2173 .name = "fsync",
2174 .lname = "Fsync",
2175 .type = FIO_OPT_INT,
2176 .off1 = td_var_offset(fsync_blocks),
2177 .help = "Issue fsync for writes every given number of blocks",
2178 .def = "0",
2179 .interval = 1,
2180 .category = FIO_OPT_C_FILE,
2181 .group = FIO_OPT_G_INVALID,
2182 },
2183 {
2184 .name = "fdatasync",
2185 .lname = "Fdatasync",
2186 .type = FIO_OPT_INT,
2187 .off1 = td_var_offset(fdatasync_blocks),
2188 .help = "Issue fdatasync for writes every given number of blocks",
2189 .def = "0",
2190 .interval = 1,
2191 .category = FIO_OPT_C_FILE,
2192 .group = FIO_OPT_G_INVALID,
2193 },
2194 {
2195 .name = "write_barrier",
2196 .lname = "Write barrier",
2197 .type = FIO_OPT_INT,
2198 .off1 = td_var_offset(barrier_blocks),
2199 .help = "Make every Nth write a barrier write",
2200 .def = "0",
2201 .interval = 1,
2202 .category = FIO_OPT_C_IO,
2203 .group = FIO_OPT_G_INVALID,
2204 },
2205#ifdef CONFIG_SYNC_FILE_RANGE
2206 {
2207 .name = "sync_file_range",
2208 .lname = "Sync file range",
2209 .posval = {
2210 { .ival = "wait_before",
2211 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2212 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
2213 .orval = 1,
2214 },
2215 { .ival = "write",
2216 .oval = SYNC_FILE_RANGE_WRITE,
2217 .help = "SYNC_FILE_RANGE_WRITE",
2218 .orval = 1,
2219 },
2220 {
2221 .ival = "wait_after",
2222 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2223 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
2224 .orval = 1,
2225 },
2226 },
2227 .type = FIO_OPT_STR_MULTI,
2228 .cb = str_sfr_cb,
2229 .off1 = td_var_offset(sync_file_range),
2230 .help = "Use sync_file_range()",
2231 .category = FIO_OPT_C_FILE,
2232 .group = FIO_OPT_G_INVALID,
2233 },
2234#endif
2235 {
2236 .name = "direct",
2237 .lname = "Direct I/O",
2238 .type = FIO_OPT_BOOL,
2239 .off1 = td_var_offset(odirect),
2240 .help = "Use O_DIRECT IO (negates buffered)",
2241 .def = "0",
2242 .inverse = "buffered",
2243 .category = FIO_OPT_C_IO,
2244 .group = FIO_OPT_G_IO_TYPE,
2245 },
2246 {
2247 .name = "atomic",
2248 .lname = "Atomic I/O",
2249 .type = FIO_OPT_BOOL,
2250 .off1 = td_var_offset(oatomic),
2251 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2252 .def = "0",
2253 .category = FIO_OPT_C_IO,
2254 .group = FIO_OPT_G_IO_TYPE,
2255 },
2256 {
2257 .name = "buffered",
2258 .lname = "Buffered I/O",
2259 .type = FIO_OPT_BOOL,
2260 .off1 = td_var_offset(odirect),
2261 .neg = 1,
2262 .help = "Use buffered IO (negates direct)",
2263 .def = "1",
2264 .inverse = "direct",
2265 .category = FIO_OPT_C_IO,
2266 .group = FIO_OPT_G_IO_TYPE,
2267 },
2268 {
2269 .name = "overwrite",
2270 .lname = "Overwrite",
2271 .type = FIO_OPT_BOOL,
2272 .off1 = td_var_offset(overwrite),
2273 .help = "When writing, set whether to overwrite current data",
2274 .def = "0",
2275 .category = FIO_OPT_C_FILE,
2276 .group = FIO_OPT_G_INVALID,
2277 },
2278 {
2279 .name = "loops",
2280 .lname = "Loops",
2281 .type = FIO_OPT_INT,
2282 .off1 = td_var_offset(loops),
2283 .help = "Number of times to run the job",
2284 .def = "1",
2285 .interval = 1,
2286 .category = FIO_OPT_C_GENERAL,
2287 .group = FIO_OPT_G_RUNTIME,
2288 },
2289 {
2290 .name = "numjobs",
2291 .lname = "Number of jobs",
2292 .type = FIO_OPT_INT,
2293 .off1 = td_var_offset(numjobs),
2294 .help = "Duplicate this job this many times",
2295 .def = "1",
2296 .interval = 1,
2297 .category = FIO_OPT_C_GENERAL,
2298 .group = FIO_OPT_G_RUNTIME,
2299 },
2300 {
2301 .name = "startdelay",
2302 .lname = "Start delay",
2303 .type = FIO_OPT_STR_VAL_TIME,
2304 .off1 = td_var_offset(start_delay),
2305 .off2 = td_var_offset(start_delay_high),
2306 .help = "Only start job when this period has passed",
2307 .def = "0",
2308 .is_seconds = 1,
2309 .is_time = 1,
2310 .category = FIO_OPT_C_GENERAL,
2311 .group = FIO_OPT_G_RUNTIME,
2312 },
2313 {
2314 .name = "runtime",
2315 .lname = "Runtime",
2316 .alias = "timeout",
2317 .type = FIO_OPT_STR_VAL_TIME,
2318 .off1 = td_var_offset(timeout),
2319 .help = "Stop workload when this amount of time has passed",
2320 .def = "0",
2321 .is_seconds = 1,
2322 .is_time = 1,
2323 .category = FIO_OPT_C_GENERAL,
2324 .group = FIO_OPT_G_RUNTIME,
2325 },
2326 {
2327 .name = "time_based",
2328 .lname = "Time based",
2329 .type = FIO_OPT_STR_SET,
2330 .off1 = td_var_offset(time_based),
2331 .help = "Keep running until runtime/timeout is met",
2332 .category = FIO_OPT_C_GENERAL,
2333 .group = FIO_OPT_G_RUNTIME,
2334 },
2335 {
2336 .name = "verify_only",
2337 .lname = "Verify only",
2338 .type = FIO_OPT_STR_SET,
2339 .off1 = td_var_offset(verify_only),
2340 .help = "Verifies previously written data is still valid",
2341 .category = FIO_OPT_C_GENERAL,
2342 .group = FIO_OPT_G_RUNTIME,
2343 },
2344 {
2345 .name = "ramp_time",
2346 .lname = "Ramp time",
2347 .type = FIO_OPT_STR_VAL_TIME,
2348 .off1 = td_var_offset(ramp_time),
2349 .help = "Ramp up time before measuring performance",
2350 .is_seconds = 1,
2351 .is_time = 1,
2352 .category = FIO_OPT_C_GENERAL,
2353 .group = FIO_OPT_G_RUNTIME,
2354 },
2355 {
2356 .name = "clocksource",
2357 .lname = "Clock source",
2358 .type = FIO_OPT_STR,
2359 .cb = fio_clock_source_cb,
2360 .off1 = td_var_offset(clocksource),
2361 .help = "What type of timing source to use",
2362 .category = FIO_OPT_C_GENERAL,
2363 .group = FIO_OPT_G_CLOCK,
2364 .posval = {
2365#ifdef CONFIG_GETTIMEOFDAY
2366 { .ival = "gettimeofday",
2367 .oval = CS_GTOD,
2368 .help = "Use gettimeofday(2) for timing",
2369 },
2370#endif
2371#ifdef CONFIG_CLOCK_GETTIME
2372 { .ival = "clock_gettime",
2373 .oval = CS_CGETTIME,
2374 .help = "Use clock_gettime(2) for timing",
2375 },
2376#endif
2377#ifdef ARCH_HAVE_CPU_CLOCK
2378 { .ival = "cpu",
2379 .oval = CS_CPUCLOCK,
2380 .help = "Use CPU private clock",
2381 },
2382#endif
2383 },
2384 },
2385 {
2386 .name = "mem",
2387 .alias = "iomem",
2388 .lname = "I/O Memory",
2389 .type = FIO_OPT_STR,
2390 .cb = str_mem_cb,
2391 .off1 = td_var_offset(mem_type),
2392 .help = "Backing type for IO buffers",
2393 .def = "malloc",
2394 .category = FIO_OPT_C_IO,
2395 .group = FIO_OPT_G_INVALID,
2396 .posval = {
2397 { .ival = "malloc",
2398 .oval = MEM_MALLOC,
2399 .help = "Use malloc(3) for IO buffers",
2400 },
2401#ifndef CONFIG_NO_SHM
2402 { .ival = "shm",
2403 .oval = MEM_SHM,
2404 .help = "Use shared memory segments for IO buffers",
2405 },
2406#ifdef FIO_HAVE_HUGETLB
2407 { .ival = "shmhuge",
2408 .oval = MEM_SHMHUGE,
2409 .help = "Like shm, but use huge pages",
2410 },
2411#endif
2412#endif
2413 { .ival = "mmap",
2414 .oval = MEM_MMAP,
2415 .help = "Use mmap(2) (file or anon) for IO buffers",
2416 },
2417 { .ival = "mmapshared",
2418 .oval = MEM_MMAPSHARED,
2419 .help = "Like mmap, but use the shared flag",
2420 },
2421#ifdef FIO_HAVE_HUGETLB
2422 { .ival = "mmaphuge",
2423 .oval = MEM_MMAPHUGE,
2424 .help = "Like mmap, but use huge pages",
2425 },
2426#endif
2427 },
2428 },
2429 {
2430 .name = "iomem_align",
2431 .alias = "mem_align",
2432 .lname = "I/O memory alignment",
2433 .type = FIO_OPT_INT,
2434 .off1 = td_var_offset(mem_align),
2435 .minval = 0,
2436 .help = "IO memory buffer offset alignment",
2437 .def = "0",
2438 .parent = "iomem",
2439 .hide = 1,
2440 .category = FIO_OPT_C_IO,
2441 .group = FIO_OPT_G_INVALID,
2442 },
2443 {
2444 .name = "verify",
2445 .lname = "Verify",
2446 .type = FIO_OPT_STR,
2447 .off1 = td_var_offset(verify),
2448 .help = "Verify data written",
2449 .def = "0",
2450 .category = FIO_OPT_C_IO,
2451 .group = FIO_OPT_G_VERIFY,
2452 .posval = {
2453 { .ival = "0",
2454 .oval = VERIFY_NONE,
2455 .help = "Don't do IO verification",
2456 },
2457 { .ival = "md5",
2458 .oval = VERIFY_MD5,
2459 .help = "Use md5 checksums for verification",
2460 },
2461 { .ival = "crc64",
2462 .oval = VERIFY_CRC64,
2463 .help = "Use crc64 checksums for verification",
2464 },
2465 { .ival = "crc32",
2466 .oval = VERIFY_CRC32,
2467 .help = "Use crc32 checksums for verification",
2468 },
2469 { .ival = "crc32c-intel",
2470 .oval = VERIFY_CRC32C,
2471 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2472 },
2473 { .ival = "crc32c",
2474 .oval = VERIFY_CRC32C,
2475 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2476 },
2477 { .ival = "crc16",
2478 .oval = VERIFY_CRC16,
2479 .help = "Use crc16 checksums for verification",
2480 },
2481 { .ival = "crc7",
2482 .oval = VERIFY_CRC7,
2483 .help = "Use crc7 checksums for verification",
2484 },
2485 { .ival = "sha1",
2486 .oval = VERIFY_SHA1,
2487 .help = "Use sha1 checksums for verification",
2488 },
2489 { .ival = "sha256",
2490 .oval = VERIFY_SHA256,
2491 .help = "Use sha256 checksums for verification",
2492 },
2493 { .ival = "sha512",
2494 .oval = VERIFY_SHA512,
2495 .help = "Use sha512 checksums for verification",
2496 },
2497 { .ival = "xxhash",
2498 .oval = VERIFY_XXHASH,
2499 .help = "Use xxhash checksums for verification",
2500 },
2501 /* Meta information was included into verify_header,
2502 * 'meta' verification is implied by default. */
2503 { .ival = "meta",
2504 .oval = VERIFY_HDR_ONLY,
2505 .help = "Use io information for verification. "
2506 "Now is implied by default, thus option is obsolete, "
2507 "don't use it",
2508 },
2509 { .ival = "pattern",
2510 .oval = VERIFY_PATTERN_NO_HDR,
2511 .help = "Verify strict pattern",
2512 },
2513 {
2514 .ival = "null",
2515 .oval = VERIFY_NULL,
2516 .help = "Pretend to verify",
2517 },
2518 },
2519 },
2520 {
2521 .name = "do_verify",
2522 .lname = "Perform verify step",
2523 .type = FIO_OPT_BOOL,
2524 .off1 = td_var_offset(do_verify),
2525 .help = "Run verification stage after write",
2526 .def = "1",
2527 .parent = "verify",
2528 .hide = 1,
2529 .category = FIO_OPT_C_IO,
2530 .group = FIO_OPT_G_VERIFY,
2531 },
2532 {
2533 .name = "verifysort",
2534 .lname = "Verify sort",
2535 .type = FIO_OPT_BOOL,
2536 .off1 = td_var_offset(verifysort),
2537 .help = "Sort written verify blocks for read back",
2538 .def = "1",
2539 .parent = "verify",
2540 .hide = 1,
2541 .category = FIO_OPT_C_IO,
2542 .group = FIO_OPT_G_VERIFY,
2543 },
2544 {
2545 .name = "verifysort_nr",
2546 .type = FIO_OPT_INT,
2547 .off1 = td_var_offset(verifysort_nr),
2548 .help = "Pre-load and sort verify blocks for a read workload",
2549 .minval = 0,
2550 .maxval = 131072,
2551 .def = "1024",
2552 .parent = "verify",
2553 .category = FIO_OPT_C_IO,
2554 .group = FIO_OPT_G_VERIFY,
2555 },
2556 {
2557 .name = "verify_interval",
2558 .lname = "Verify interval",
2559 .type = FIO_OPT_INT,
2560 .off1 = td_var_offset(verify_interval),
2561 .minval = 2 * sizeof(struct verify_header),
2562 .help = "Store verify buffer header every N bytes",
2563 .parent = "verify",
2564 .hide = 1,
2565 .interval = 2 * sizeof(struct verify_header),
2566 .category = FIO_OPT_C_IO,
2567 .group = FIO_OPT_G_VERIFY,
2568 },
2569 {
2570 .name = "verify_offset",
2571 .lname = "Verify offset",
2572 .type = FIO_OPT_INT,
2573 .help = "Offset verify header location by N bytes",
2574 .off1 = td_var_offset(verify_offset),
2575 .minval = sizeof(struct verify_header),
2576 .parent = "verify",
2577 .hide = 1,
2578 .category = FIO_OPT_C_IO,
2579 .group = FIO_OPT_G_VERIFY,
2580 },
2581 {
2582 .name = "verify_pattern",
2583 .lname = "Verify pattern",
2584 .type = FIO_OPT_STR,
2585 .cb = str_verify_pattern_cb,
2586 .off1 = td_var_offset(verify_pattern),
2587 .help = "Fill pattern for IO buffers",
2588 .parent = "verify",
2589 .hide = 1,
2590 .category = FIO_OPT_C_IO,
2591 .group = FIO_OPT_G_VERIFY,
2592 },
2593 {
2594 .name = "verify_fatal",
2595 .lname = "Verify fatal",
2596 .type = FIO_OPT_BOOL,
2597 .off1 = td_var_offset(verify_fatal),
2598 .def = "0",
2599 .help = "Exit on a single verify failure, don't continue",
2600 .parent = "verify",
2601 .hide = 1,
2602 .category = FIO_OPT_C_IO,
2603 .group = FIO_OPT_G_VERIFY,
2604 },
2605 {
2606 .name = "verify_dump",
2607 .lname = "Verify dump",
2608 .type = FIO_OPT_BOOL,
2609 .off1 = td_var_offset(verify_dump),
2610 .def = "0",
2611 .help = "Dump contents of good and bad blocks on failure",
2612 .parent = "verify",
2613 .hide = 1,
2614 .category = FIO_OPT_C_IO,
2615 .group = FIO_OPT_G_VERIFY,
2616 },
2617 {
2618 .name = "verify_async",
2619 .lname = "Verify asynchronously",
2620 .type = FIO_OPT_INT,
2621 .off1 = td_var_offset(verify_async),
2622 .def = "0",
2623 .help = "Number of async verifier threads to use",
2624 .parent = "verify",
2625 .hide = 1,
2626 .category = FIO_OPT_C_IO,
2627 .group = FIO_OPT_G_VERIFY,
2628 },
2629 {
2630 .name = "verify_backlog",
2631 .lname = "Verify backlog",
2632 .type = FIO_OPT_STR_VAL,
2633 .off1 = td_var_offset(verify_backlog),
2634 .help = "Verify after this number of blocks are written",
2635 .parent = "verify",
2636 .hide = 1,
2637 .category = FIO_OPT_C_IO,
2638 .group = FIO_OPT_G_VERIFY,
2639 },
2640 {
2641 .name = "verify_backlog_batch",
2642 .lname = "Verify backlog batch",
2643 .type = FIO_OPT_INT,
2644 .off1 = td_var_offset(verify_batch),
2645 .help = "Verify this number of IO blocks",
2646 .parent = "verify",
2647 .hide = 1,
2648 .category = FIO_OPT_C_IO,
2649 .group = FIO_OPT_G_VERIFY,
2650 },
2651#ifdef FIO_HAVE_CPU_AFFINITY
2652 {
2653 .name = "verify_async_cpus",
2654 .lname = "Async verify CPUs",
2655 .type = FIO_OPT_STR,
2656 .cb = str_verify_cpus_allowed_cb,
2657 .off1 = td_var_offset(verify_cpumask),
2658 .help = "Set CPUs allowed for async verify threads",
2659 .parent = "verify_async",
2660 .hide = 1,
2661 .category = FIO_OPT_C_IO,
2662 .group = FIO_OPT_G_VERIFY,
2663 },
2664#endif
2665 {
2666 .name = "experimental_verify",
2667 .off1 = td_var_offset(experimental_verify),
2668 .type = FIO_OPT_BOOL,
2669 .help = "Enable experimental verification",
2670 .parent = "verify",
2671 .category = FIO_OPT_C_IO,
2672 .group = FIO_OPT_G_VERIFY,
2673 },
2674 {
2675 .name = "verify_state_load",
2676 .lname = "Load verify state",
2677 .off1 = td_var_offset(verify_state),
2678 .type = FIO_OPT_BOOL,
2679 .help = "Load verify termination state",
2680 .parent = "verify",
2681 .category = FIO_OPT_C_IO,
2682 .group = FIO_OPT_G_VERIFY,
2683 },
2684 {
2685 .name = "verify_state_save",
2686 .lname = "Save verify state",
2687 .off1 = td_var_offset(verify_state_save),
2688 .type = FIO_OPT_BOOL,
2689 .def = "1",
2690 .help = "Save verify state on termination",
2691 .parent = "verify",
2692 .category = FIO_OPT_C_IO,
2693 .group = FIO_OPT_G_VERIFY,
2694 },
2695#ifdef FIO_HAVE_TRIM
2696 {
2697 .name = "trim_percentage",
2698 .lname = "Trim percentage",
2699 .type = FIO_OPT_INT,
2700 .off1 = td_var_offset(trim_percentage),
2701 .minval = 0,
2702 .maxval = 100,
2703 .help = "Number of verify blocks to discard/trim",
2704 .parent = "verify",
2705 .def = "0",
2706 .interval = 1,
2707 .hide = 1,
2708 .category = FIO_OPT_C_IO,
2709 .group = FIO_OPT_G_TRIM,
2710 },
2711 {
2712 .name = "trim_verify_zero",
2713 .lname = "Verify trim zero",
2714 .type = FIO_OPT_BOOL,
2715 .help = "Verify that trim/discarded blocks are returned as zeroes",
2716 .off1 = td_var_offset(trim_zero),
2717 .parent = "trim_percentage",
2718 .hide = 1,
2719 .def = "1",
2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_TRIM,
2722 },
2723 {
2724 .name = "trim_backlog",
2725 .lname = "Trim backlog",
2726 .type = FIO_OPT_STR_VAL,
2727 .off1 = td_var_offset(trim_backlog),
2728 .help = "Trim after this number of blocks are written",
2729 .parent = "trim_percentage",
2730 .hide = 1,
2731 .interval = 1,
2732 .category = FIO_OPT_C_IO,
2733 .group = FIO_OPT_G_TRIM,
2734 },
2735 {
2736 .name = "trim_backlog_batch",
2737 .lname = "Trim backlog batch",
2738 .type = FIO_OPT_INT,
2739 .off1 = td_var_offset(trim_batch),
2740 .help = "Trim this number of IO blocks",
2741 .parent = "trim_percentage",
2742 .hide = 1,
2743 .interval = 1,
2744 .category = FIO_OPT_C_IO,
2745 .group = FIO_OPT_G_TRIM,
2746 },
2747#endif
2748 {
2749 .name = "write_iolog",
2750 .lname = "Write I/O log",
2751 .type = FIO_OPT_STR_STORE,
2752 .off1 = td_var_offset(write_iolog_file),
2753 .help = "Store IO pattern to file",
2754 .category = FIO_OPT_C_IO,
2755 .group = FIO_OPT_G_IOLOG,
2756 },
2757 {
2758 .name = "read_iolog",
2759 .lname = "Read I/O log",
2760 .type = FIO_OPT_STR_STORE,
2761 .off1 = td_var_offset(read_iolog_file),
2762 .help = "Playback IO pattern from file",
2763 .category = FIO_OPT_C_IO,
2764 .group = FIO_OPT_G_IOLOG,
2765 },
2766 {
2767 .name = "replay_no_stall",
2768 .lname = "Don't stall on replay",
2769 .type = FIO_OPT_BOOL,
2770 .off1 = td_var_offset(no_stall),
2771 .def = "0",
2772 .parent = "read_iolog",
2773 .hide = 1,
2774 .help = "Playback IO pattern file as fast as possible without stalls",
2775 .category = FIO_OPT_C_IO,
2776 .group = FIO_OPT_G_IOLOG,
2777 },
2778 {
2779 .name = "replay_redirect",
2780 .lname = "Redirect device for replay",
2781 .type = FIO_OPT_STR_STORE,
2782 .off1 = td_var_offset(replay_redirect),
2783 .parent = "read_iolog",
2784 .hide = 1,
2785 .help = "Replay all I/O onto this device, regardless of trace device",
2786 .category = FIO_OPT_C_IO,
2787 .group = FIO_OPT_G_IOLOG,
2788 },
2789 {
2790 .name = "replay_scale",
2791 .lname = "Replace offset scale factor",
2792 .type = FIO_OPT_INT,
2793 .off1 = td_var_offset(replay_scale),
2794 .parent = "read_iolog",
2795 .def = "1",
2796 .help = "Align offsets to this blocksize",
2797 .category = FIO_OPT_C_IO,
2798 .group = FIO_OPT_G_IOLOG,
2799 },
2800 {
2801 .name = "replay_align",
2802 .lname = "Replace alignment",
2803 .type = FIO_OPT_INT,
2804 .off1 = td_var_offset(replay_align),
2805 .parent = "read_iolog",
2806 .help = "Scale offset down by this factor",
2807 .category = FIO_OPT_C_IO,
2808 .group = FIO_OPT_G_IOLOG,
2809 .pow2 = 1,
2810 },
2811 {
2812 .name = "exec_prerun",
2813 .lname = "Pre-execute runnable",
2814 .type = FIO_OPT_STR_STORE,
2815 .off1 = td_var_offset(exec_prerun),
2816 .help = "Execute this file prior to running job",
2817 .category = FIO_OPT_C_GENERAL,
2818 .group = FIO_OPT_G_INVALID,
2819 },
2820 {
2821 .name = "exec_postrun",
2822 .lname = "Post-execute runnable",
2823 .type = FIO_OPT_STR_STORE,
2824 .off1 = td_var_offset(exec_postrun),
2825 .help = "Execute this file after running job",
2826 .category = FIO_OPT_C_GENERAL,
2827 .group = FIO_OPT_G_INVALID,
2828 },
2829#ifdef FIO_HAVE_IOSCHED_SWITCH
2830 {
2831 .name = "ioscheduler",
2832 .lname = "I/O scheduler",
2833 .type = FIO_OPT_STR_STORE,
2834 .off1 = td_var_offset(ioscheduler),
2835 .help = "Use this IO scheduler on the backing device",
2836 .category = FIO_OPT_C_FILE,
2837 .group = FIO_OPT_G_INVALID,
2838 },
2839#endif
2840 {
2841 .name = "zonesize",
2842 .lname = "Zone size",
2843 .type = FIO_OPT_STR_VAL,
2844 .off1 = td_var_offset(zone_size),
2845 .help = "Amount of data to read per zone",
2846 .def = "0",
2847 .interval = 1024 * 1024,
2848 .category = FIO_OPT_C_IO,
2849 .group = FIO_OPT_G_ZONE,
2850 },
2851 {
2852 .name = "zonerange",
2853 .lname = "Zone range",
2854 .type = FIO_OPT_STR_VAL,
2855 .off1 = td_var_offset(zone_range),
2856 .help = "Give size of an IO zone",
2857 .def = "0",
2858 .interval = 1024 * 1024,
2859 .category = FIO_OPT_C_IO,
2860 .group = FIO_OPT_G_ZONE,
2861 },
2862 {
2863 .name = "zoneskip",
2864 .lname = "Zone skip",
2865 .type = FIO_OPT_STR_VAL,
2866 .off1 = td_var_offset(zone_skip),
2867 .help = "Space between IO zones",
2868 .def = "0",
2869 .interval = 1024 * 1024,
2870 .category = FIO_OPT_C_IO,
2871 .group = FIO_OPT_G_ZONE,
2872 },
2873 {
2874 .name = "lockmem",
2875 .lname = "Lock memory",
2876 .type = FIO_OPT_STR_VAL,
2877 .off1 = td_var_offset(lockmem),
2878 .help = "Lock down this amount of memory (per worker)",
2879 .def = "0",
2880 .interval = 1024 * 1024,
2881 .category = FIO_OPT_C_GENERAL,
2882 .group = FIO_OPT_G_INVALID,
2883 },
2884 {
2885 .name = "rwmixread",
2886 .lname = "Read/write mix read",
2887 .type = FIO_OPT_INT,
2888 .cb = str_rwmix_read_cb,
2889 .off1 = td_var_offset(rwmix[DDIR_READ]),
2890 .maxval = 100,
2891 .help = "Percentage of mixed workload that is reads",
2892 .def = "50",
2893 .interval = 5,
2894 .inverse = "rwmixwrite",
2895 .category = FIO_OPT_C_IO,
2896 .group = FIO_OPT_G_RWMIX,
2897 },
2898 {
2899 .name = "rwmixwrite",
2900 .lname = "Read/write mix write",
2901 .type = FIO_OPT_INT,
2902 .cb = str_rwmix_write_cb,
2903 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
2904 .maxval = 100,
2905 .help = "Percentage of mixed workload that is writes",
2906 .def = "50",
2907 .interval = 5,
2908 .inverse = "rwmixread",
2909 .category = FIO_OPT_C_IO,
2910 .group = FIO_OPT_G_RWMIX,
2911 },
2912 {
2913 .name = "rwmixcycle",
2914 .lname = "Read/write mix cycle",
2915 .type = FIO_OPT_DEPRECATED,
2916 .category = FIO_OPT_C_IO,
2917 .group = FIO_OPT_G_RWMIX,
2918 },
2919 {
2920 .name = "nice",
2921 .lname = "Nice",
2922 .type = FIO_OPT_INT,
2923 .off1 = td_var_offset(nice),
2924 .help = "Set job CPU nice value",
2925 .minval = -19,
2926 .maxval = 20,
2927 .def = "0",
2928 .interval = 1,
2929 .category = FIO_OPT_C_GENERAL,
2930 .group = FIO_OPT_G_CRED,
2931 },
2932#ifdef FIO_HAVE_IOPRIO
2933 {
2934 .name = "prio",
2935 .lname = "I/O nice priority",
2936 .type = FIO_OPT_INT,
2937 .off1 = td_var_offset(ioprio),
2938 .help = "Set job IO priority value",
2939 .minval = 0,
2940 .maxval = 7,
2941 .interval = 1,
2942 .category = FIO_OPT_C_GENERAL,
2943 .group = FIO_OPT_G_CRED,
2944 },
2945 {
2946 .name = "prioclass",
2947 .lname = "I/O nice priority class",
2948 .type = FIO_OPT_INT,
2949 .off1 = td_var_offset(ioprio_class),
2950 .help = "Set job IO priority class",
2951 .minval = 0,
2952 .maxval = 3,
2953 .interval = 1,
2954 .category = FIO_OPT_C_GENERAL,
2955 .group = FIO_OPT_G_CRED,
2956 },
2957#endif
2958 {
2959 .name = "thinktime",
2960 .lname = "Thinktime",
2961 .type = FIO_OPT_INT,
2962 .off1 = td_var_offset(thinktime),
2963 .help = "Idle time between IO buffers (usec)",
2964 .def = "0",
2965 .is_time = 1,
2966 .category = FIO_OPT_C_IO,
2967 .group = FIO_OPT_G_THINKTIME,
2968 },
2969 {
2970 .name = "thinktime_spin",
2971 .lname = "Thinktime spin",
2972 .type = FIO_OPT_INT,
2973 .off1 = td_var_offset(thinktime_spin),
2974 .help = "Start think time by spinning this amount (usec)",
2975 .def = "0",
2976 .is_time = 1,
2977 .parent = "thinktime",
2978 .hide = 1,
2979 .category = FIO_OPT_C_IO,
2980 .group = FIO_OPT_G_THINKTIME,
2981 },
2982 {
2983 .name = "thinktime_blocks",
2984 .lname = "Thinktime blocks",
2985 .type = FIO_OPT_INT,
2986 .off1 = td_var_offset(thinktime_blocks),
2987 .help = "IO buffer period between 'thinktime'",
2988 .def = "1",
2989 .parent = "thinktime",
2990 .hide = 1,
2991 .category = FIO_OPT_C_IO,
2992 .group = FIO_OPT_G_THINKTIME,
2993 },
2994 {
2995 .name = "rate",
2996 .lname = "I/O rate",
2997 .type = FIO_OPT_INT,
2998 .off1 = td_var_offset(rate[DDIR_READ]),
2999 .off2 = td_var_offset(rate[DDIR_WRITE]),
3000 .off3 = td_var_offset(rate[DDIR_TRIM]),
3001 .help = "Set bandwidth rate",
3002 .category = FIO_OPT_C_IO,
3003 .group = FIO_OPT_G_RATE,
3004 },
3005 {
3006 .name = "rate_min",
3007 .alias = "ratemin",
3008 .lname = "I/O min rate",
3009 .type = FIO_OPT_INT,
3010 .off1 = td_var_offset(ratemin[DDIR_READ]),
3011 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
3012 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
3013 .help = "Job must meet this rate or it will be shutdown",
3014 .parent = "rate",
3015 .hide = 1,
3016 .category = FIO_OPT_C_IO,
3017 .group = FIO_OPT_G_RATE,
3018 },
3019 {
3020 .name = "rate_iops",
3021 .lname = "I/O rate IOPS",
3022 .type = FIO_OPT_INT,
3023 .off1 = td_var_offset(rate_iops[DDIR_READ]),
3024 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
3025 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
3026 .help = "Limit IO used to this number of IO operations/sec",
3027 .hide = 1,
3028 .category = FIO_OPT_C_IO,
3029 .group = FIO_OPT_G_RATE,
3030 },
3031 {
3032 .name = "rate_iops_min",
3033 .lname = "I/O min rate IOPS",
3034 .type = FIO_OPT_INT,
3035 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
3036 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
3037 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
3038 .help = "Job must meet this rate or it will be shut down",
3039 .parent = "rate_iops",
3040 .hide = 1,
3041 .category = FIO_OPT_C_IO,
3042 .group = FIO_OPT_G_RATE,
3043 },
3044 {
3045 .name = "rate_process",
3046 .lname = "Rate Process",
3047 .type = FIO_OPT_STR,
3048 .off1 = td_var_offset(rate_process),
3049 .help = "What process controls how rated IO is managed",
3050 .def = "linear",
3051 .category = FIO_OPT_C_IO,
3052 .group = FIO_OPT_G_RATE,
3053 .posval = {
3054 { .ival = "linear",
3055 .oval = RATE_PROCESS_LINEAR,
3056 .help = "Linear rate of IO",
3057 },
3058 {
3059 .ival = "poisson",
3060 .oval = RATE_PROCESS_POISSON,
3061 .help = "Rate follows Poisson process",
3062 },
3063 },
3064 .parent = "rate",
3065 },
3066 {
3067 .name = "rate_cycle",
3068 .alias = "ratecycle",
3069 .lname = "I/O rate cycle",
3070 .type = FIO_OPT_INT,
3071 .off1 = td_var_offset(ratecycle),
3072 .help = "Window average for rate limits (msec)",
3073 .def = "1000",
3074 .parent = "rate",
3075 .hide = 1,
3076 .category = FIO_OPT_C_IO,
3077 .group = FIO_OPT_G_RATE,
3078 },
3079 {
3080 .name = "max_latency",
3081 .type = FIO_OPT_INT,
3082 .off1 = td_var_offset(max_latency),
3083 .help = "Maximum tolerated IO latency (usec)",
3084 .is_time = 1,
3085 .category = FIO_OPT_C_IO,
3086 .group = FIO_OPT_G_LATPROF,
3087 },
3088 {
3089 .name = "latency_target",
3090 .lname = "Latency Target (usec)",
3091 .type = FIO_OPT_STR_VAL_TIME,
3092 .off1 = td_var_offset(latency_target),
3093 .help = "Ramp to max queue depth supporting this latency",
3094 .is_time = 1,
3095 .category = FIO_OPT_C_IO,
3096 .group = FIO_OPT_G_LATPROF,
3097 },
3098 {
3099 .name = "latency_window",
3100 .lname = "Latency Window (usec)",
3101 .type = FIO_OPT_STR_VAL_TIME,
3102 .off1 = td_var_offset(latency_window),
3103 .help = "Time to sustain latency_target",
3104 .is_time = 1,
3105 .category = FIO_OPT_C_IO,
3106 .group = FIO_OPT_G_LATPROF,
3107 },
3108 {
3109 .name = "latency_percentile",
3110 .lname = "Latency Percentile",
3111 .type = FIO_OPT_FLOAT_LIST,
3112 .off1 = td_var_offset(latency_percentile),
3113 .help = "Percentile of IOs must be below latency_target",
3114 .def = "100",
3115 .maxlen = 1,
3116 .minfp = 0.0,
3117 .maxfp = 100.0,
3118 .category = FIO_OPT_C_IO,
3119 .group = FIO_OPT_G_LATPROF,
3120 },
3121 {
3122 .name = "invalidate",
3123 .lname = "Cache invalidate",
3124 .type = FIO_OPT_BOOL,
3125 .off1 = td_var_offset(invalidate_cache),
3126 .help = "Invalidate buffer/page cache prior to running job",
3127 .def = "1",
3128 .category = FIO_OPT_C_IO,
3129 .group = FIO_OPT_G_IO_TYPE,
3130 },
3131 {
3132 .name = "sync",
3133 .lname = "Synchronous I/O",
3134 .type = FIO_OPT_BOOL,
3135 .off1 = td_var_offset(sync_io),
3136 .help = "Use O_SYNC for buffered writes",
3137 .def = "0",
3138 .parent = "buffered",
3139 .hide = 1,
3140 .category = FIO_OPT_C_IO,
3141 .group = FIO_OPT_G_IO_TYPE,
3142 },
3143 {
3144 .name = "create_serialize",
3145 .lname = "Create serialize",
3146 .type = FIO_OPT_BOOL,
3147 .off1 = td_var_offset(create_serialize),
3148 .help = "Serialize creating of job files",
3149 .def = "1",
3150 .category = FIO_OPT_C_FILE,
3151 .group = FIO_OPT_G_INVALID,
3152 },
3153 {
3154 .name = "create_fsync",
3155 .lname = "Create fsync",
3156 .type = FIO_OPT_BOOL,
3157 .off1 = td_var_offset(create_fsync),
3158 .help = "fsync file after creation",
3159 .def = "1",
3160 .category = FIO_OPT_C_FILE,
3161 .group = FIO_OPT_G_INVALID,
3162 },
3163 {
3164 .name = "create_on_open",
3165 .lname = "Create on open",
3166 .type = FIO_OPT_BOOL,
3167 .off1 = td_var_offset(create_on_open),
3168 .help = "Create files when they are opened for IO",
3169 .def = "0",
3170 .category = FIO_OPT_C_FILE,
3171 .group = FIO_OPT_G_INVALID,
3172 },
3173 {
3174 .name = "create_only",
3175 .type = FIO_OPT_BOOL,
3176 .off1 = td_var_offset(create_only),
3177 .help = "Only perform file creation phase",
3178 .category = FIO_OPT_C_FILE,
3179 .def = "0",
3180 },
3181 {
3182 .name = "allow_file_create",
3183 .lname = "Allow file create",
3184 .type = FIO_OPT_BOOL,
3185 .off1 = td_var_offset(allow_create),
3186 .help = "Permit fio to create files, if they don't exist",
3187 .def = "1",
3188 .category = FIO_OPT_C_FILE,
3189 .group = FIO_OPT_G_FILENAME,
3190 },
3191 {
3192 .name = "allow_mounted_write",
3193 .lname = "Allow mounted write",
3194 .type = FIO_OPT_BOOL,
3195 .off1 = td_var_offset(allow_mounted_write),
3196 .help = "Allow writes to a mounted partition",
3197 .def = "0",
3198 .category = FIO_OPT_C_FILE,
3199 .group = FIO_OPT_G_FILENAME,
3200 },
3201 {
3202 .name = "pre_read",
3203 .lname = "Pre-read files",
3204 .type = FIO_OPT_BOOL,
3205 .off1 = td_var_offset(pre_read),
3206 .help = "Pre-read files before starting official testing",
3207 .def = "0",
3208 .category = FIO_OPT_C_FILE,
3209 .group = FIO_OPT_G_INVALID,
3210 },
3211#ifdef FIO_HAVE_CPU_AFFINITY
3212 {
3213 .name = "cpumask",
3214 .lname = "CPU mask",
3215 .type = FIO_OPT_INT,
3216 .cb = str_cpumask_cb,
3217 .off1 = td_var_offset(cpumask),
3218 .help = "CPU affinity mask",
3219 .category = FIO_OPT_C_GENERAL,
3220 .group = FIO_OPT_G_CRED,
3221 },
3222 {
3223 .name = "cpus_allowed",
3224 .lname = "CPUs allowed",
3225 .type = FIO_OPT_STR,
3226 .cb = str_cpus_allowed_cb,
3227 .off1 = td_var_offset(cpumask),
3228 .help = "Set CPUs allowed",
3229 .category = FIO_OPT_C_GENERAL,
3230 .group = FIO_OPT_G_CRED,
3231 },
3232 {
3233 .name = "cpus_allowed_policy",
3234 .lname = "CPUs allowed distribution policy",
3235 .type = FIO_OPT_STR,
3236 .off1 = td_var_offset(cpus_allowed_policy),
3237 .help = "Distribution policy for cpus_allowed",
3238 .parent = "cpus_allowed",
3239 .prio = 1,
3240 .posval = {
3241 { .ival = "shared",
3242 .oval = FIO_CPUS_SHARED,
3243 .help = "Mask shared between threads",
3244 },
3245 { .ival = "split",
3246 .oval = FIO_CPUS_SPLIT,
3247 .help = "Mask split between threads",
3248 },
3249 },
3250 .category = FIO_OPT_C_GENERAL,
3251 .group = FIO_OPT_G_CRED,
3252 },
3253#endif
3254#ifdef CONFIG_LIBNUMA
3255 {
3256 .name = "numa_cpu_nodes",
3257 .type = FIO_OPT_STR,
3258 .cb = str_numa_cpunodes_cb,
3259 .off1 = td_var_offset(numa_cpunodes),
3260 .help = "NUMA CPU nodes bind",
3261 .category = FIO_OPT_C_GENERAL,
3262 .group = FIO_OPT_G_INVALID,
3263 },
3264 {
3265 .name = "numa_mem_policy",
3266 .type = FIO_OPT_STR,
3267 .cb = str_numa_mpol_cb,
3268 .off1 = td_var_offset(numa_memnodes),
3269 .help = "NUMA memory policy setup",
3270 .category = FIO_OPT_C_GENERAL,
3271 .group = FIO_OPT_G_INVALID,
3272 },
3273#endif
3274 {
3275 .name = "end_fsync",
3276 .lname = "End fsync",
3277 .type = FIO_OPT_BOOL,
3278 .off1 = td_var_offset(end_fsync),
3279 .help = "Include fsync at the end of job",
3280 .def = "0",
3281 .category = FIO_OPT_C_FILE,
3282 .group = FIO_OPT_G_INVALID,
3283 },
3284 {
3285 .name = "fsync_on_close",
3286 .lname = "Fsync on close",
3287 .type = FIO_OPT_BOOL,
3288 .off1 = td_var_offset(fsync_on_close),
3289 .help = "fsync files on close",
3290 .def = "0",
3291 .category = FIO_OPT_C_FILE,
3292 .group = FIO_OPT_G_INVALID,
3293 },
3294 {
3295 .name = "unlink",
3296 .lname = "Unlink file",
3297 .type = FIO_OPT_BOOL,
3298 .off1 = td_var_offset(unlink),
3299 .help = "Unlink created files after job has completed",
3300 .def = "0",
3301 .category = FIO_OPT_C_FILE,
3302 .group = FIO_OPT_G_INVALID,
3303 },
3304 {
3305 .name = "exitall",
3306 .lname = "Exit-all on terminate",
3307 .type = FIO_OPT_STR_SET,
3308 .cb = str_exitall_cb,
3309 .help = "Terminate all jobs when one exits",
3310 .category = FIO_OPT_C_GENERAL,
3311 .group = FIO_OPT_G_PROCESS,
3312 },
3313 {
3314 .name = "exitall_on_error",
3315 .lname = "Exit-all on terminate in error",
3316 .type = FIO_OPT_BOOL,
3317 .off1 = td_var_offset(unlink),
3318 .help = "Terminate all jobs when one exits in error",
3319 .category = FIO_OPT_C_GENERAL,
3320 .group = FIO_OPT_G_PROCESS,
3321 },
3322 {
3323 .name = "stonewall",
3324 .lname = "Wait for previous",
3325 .alias = "wait_for_previous",
3326 .type = FIO_OPT_STR_SET,
3327 .off1 = td_var_offset(stonewall),
3328 .help = "Insert a hard barrier between this job and previous",
3329 .category = FIO_OPT_C_GENERAL,
3330 .group = FIO_OPT_G_PROCESS,
3331 },
3332 {
3333 .name = "new_group",
3334 .lname = "New group",
3335 .type = FIO_OPT_STR_SET,
3336 .off1 = td_var_offset(new_group),
3337 .help = "Mark the start of a new group (for reporting)",
3338 .category = FIO_OPT_C_GENERAL,
3339 .group = FIO_OPT_G_PROCESS,
3340 },
3341 {
3342 .name = "thread",
3343 .lname = "Thread",
3344 .type = FIO_OPT_STR_SET,
3345 .off1 = td_var_offset(use_thread),
3346 .help = "Use threads instead of processes",
3347#ifdef CONFIG_NO_SHM
3348 .def = "1",
3349 .no_warn_def = 1,
3350#endif
3351 .category = FIO_OPT_C_GENERAL,
3352 .group = FIO_OPT_G_PROCESS,
3353 },
3354 {
3355 .name = "per_job_logs",
3356 .type = FIO_OPT_BOOL,
3357 .off1 = td_var_offset(per_job_logs),
3358 .help = "Include job number in generated log files or not",
3359 .def = "1",
3360 .category = FIO_OPT_C_LOG,
3361 .group = FIO_OPT_G_INVALID,
3362 },
3363 {
3364 .name = "write_bw_log",
3365 .lname = "Write bandwidth log",
3366 .type = FIO_OPT_STR_STORE,
3367 .off1 = td_var_offset(bw_log_file),
3368 .help = "Write log of bandwidth during run",
3369 .category = FIO_OPT_C_LOG,
3370 .group = FIO_OPT_G_INVALID,
3371 },
3372 {
3373 .name = "write_lat_log",
3374 .lname = "Write latency log",
3375 .type = FIO_OPT_STR_STORE,
3376 .off1 = td_var_offset(lat_log_file),
3377 .help = "Write log of latency during run",
3378 .category = FIO_OPT_C_LOG,
3379 .group = FIO_OPT_G_INVALID,
3380 },
3381 {
3382 .name = "write_iops_log",
3383 .lname = "Write IOPS log",
3384 .type = FIO_OPT_STR_STORE,
3385 .off1 = td_var_offset(iops_log_file),
3386 .help = "Write log of IOPS during run",
3387 .category = FIO_OPT_C_LOG,
3388 .group = FIO_OPT_G_INVALID,
3389 },
3390 {
3391 .name = "log_avg_msec",
3392 .lname = "Log averaging (msec)",
3393 .type = FIO_OPT_INT,
3394 .off1 = td_var_offset(log_avg_msec),
3395 .help = "Average bw/iops/lat logs over this period of time",
3396 .def = "0",
3397 .category = FIO_OPT_C_LOG,
3398 .group = FIO_OPT_G_INVALID,
3399 },
3400 {
3401 .name = "log_max_value",
3402 .lname = "Log maximum instead of average",
3403 .type = FIO_OPT_BOOL,
3404 .off1 = td_var_offset(log_max),
3405 .help = "Log max sample in a window instead of average",
3406 .def = "0",
3407 .category = FIO_OPT_C_LOG,
3408 .group = FIO_OPT_G_INVALID,
3409 },
3410 {
3411 .name = "log_offset",
3412 .lname = "Log offset of IO",
3413 .type = FIO_OPT_BOOL,
3414 .off1 = td_var_offset(log_offset),
3415 .help = "Include offset of IO for each log entry",
3416 .def = "0",
3417 .category = FIO_OPT_C_LOG,
3418 .group = FIO_OPT_G_INVALID,
3419 },
3420#ifdef CONFIG_ZLIB
3421 {
3422 .name = "log_compression",
3423 .lname = "Log compression",
3424 .type = FIO_OPT_INT,
3425 .off1 = td_var_offset(log_gz),
3426 .help = "Log in compressed chunks of this size",
3427 .minval = 1024ULL,
3428 .maxval = 512 * 1024 * 1024ULL,
3429 .category = FIO_OPT_C_LOG,
3430 .group = FIO_OPT_G_INVALID,
3431 },
3432#ifdef FIO_HAVE_CPU_AFFINITY
3433 {
3434 .name = "log_compression_cpus",
3435 .lname = "Log Compression CPUs",
3436 .type = FIO_OPT_STR,
3437 .cb = str_log_cpus_allowed_cb,
3438 .off1 = td_var_offset(log_gz_cpumask),
3439 .parent = "log_compression",
3440 .help = "Limit log compression to these CPUs",
3441 .category = FIO_OPT_C_LOG,
3442 .group = FIO_OPT_G_INVALID,
3443 },
3444#endif
3445 {
3446 .name = "log_store_compressed",
3447 .lname = "Log store compressed",
3448 .type = FIO_OPT_BOOL,
3449 .off1 = td_var_offset(log_gz_store),
3450 .help = "Store logs in a compressed format",
3451 .category = FIO_OPT_C_LOG,
3452 .group = FIO_OPT_G_INVALID,
3453 },
3454#endif
3455 {
3456 .name = "block_error_percentiles",
3457 .lname = "Block error percentiles",
3458 .type = FIO_OPT_BOOL,
3459 .off1 = td_var_offset(block_error_hist),
3460 .help = "Record trim block errors and make a histogram",
3461 .def = "0",
3462 .category = FIO_OPT_C_LOG,
3463 .group = FIO_OPT_G_INVALID,
3464 },
3465 {
3466 .name = "bwavgtime",
3467 .lname = "Bandwidth average time",
3468 .type = FIO_OPT_INT,
3469 .off1 = td_var_offset(bw_avg_time),
3470 .help = "Time window over which to calculate bandwidth"
3471 " (msec)",
3472 .def = "500",
3473 .parent = "write_bw_log",
3474 .hide = 1,
3475 .interval = 100,
3476 .category = FIO_OPT_C_LOG,
3477 .group = FIO_OPT_G_INVALID,
3478 },
3479 {
3480 .name = "iopsavgtime",
3481 .lname = "IOPS average time",
3482 .type = FIO_OPT_INT,
3483 .off1 = td_var_offset(iops_avg_time),
3484 .help = "Time window over which to calculate IOPS (msec)",
3485 .def = "500",
3486 .parent = "write_iops_log",
3487 .hide = 1,
3488 .interval = 100,
3489 .category = FIO_OPT_C_LOG,
3490 .group = FIO_OPT_G_INVALID,
3491 },
3492 {
3493 .name = "group_reporting",
3494 .lname = "Group reporting",
3495 .type = FIO_OPT_STR_SET,
3496 .off1 = td_var_offset(group_reporting),
3497 .help = "Do reporting on a per-group basis",
3498 .category = FIO_OPT_C_STAT,
3499 .group = FIO_OPT_G_INVALID,
3500 },
3501 {
3502 .name = "zero_buffers",
3503 .lname = "Zero I/O buffers",
3504 .type = FIO_OPT_STR_SET,
3505 .off1 = td_var_offset(zero_buffers),
3506 .help = "Init IO buffers to all zeroes",
3507 .category = FIO_OPT_C_IO,
3508 .group = FIO_OPT_G_IO_BUF,
3509 },
3510 {
3511 .name = "refill_buffers",
3512 .lname = "Refill I/O buffers",
3513 .type = FIO_OPT_STR_SET,
3514 .off1 = td_var_offset(refill_buffers),
3515 .help = "Refill IO buffers on every IO submit",
3516 .category = FIO_OPT_C_IO,
3517 .group = FIO_OPT_G_IO_BUF,
3518 },
3519 {
3520 .name = "scramble_buffers",
3521 .lname = "Scramble I/O buffers",
3522 .type = FIO_OPT_BOOL,
3523 .off1 = td_var_offset(scramble_buffers),
3524 .help = "Slightly scramble buffers on every IO submit",
3525 .def = "1",
3526 .category = FIO_OPT_C_IO,
3527 .group = FIO_OPT_G_IO_BUF,
3528 },
3529 {
3530 .name = "buffer_pattern",
3531 .lname = "Buffer pattern",
3532 .type = FIO_OPT_STR,
3533 .cb = str_buffer_pattern_cb,
3534 .off1 = td_var_offset(buffer_pattern),
3535 .help = "Fill pattern for IO buffers",
3536 .category = FIO_OPT_C_IO,
3537 .group = FIO_OPT_G_IO_BUF,
3538 },
3539 {
3540 .name = "buffer_compress_percentage",
3541 .lname = "Buffer compression percentage",
3542 .type = FIO_OPT_INT,
3543 .cb = str_buffer_compress_cb,
3544 .off1 = td_var_offset(compress_percentage),
3545 .maxval = 100,
3546 .minval = 0,
3547 .help = "How compressible the buffer is (approximately)",
3548 .interval = 5,
3549 .category = FIO_OPT_C_IO,
3550 .group = FIO_OPT_G_IO_BUF,
3551 },
3552 {
3553 .name = "buffer_compress_chunk",
3554 .lname = "Buffer compression chunk size",
3555 .type = FIO_OPT_INT,
3556 .off1 = td_var_offset(compress_chunk),
3557 .parent = "buffer_compress_percentage",
3558 .hide = 1,
3559 .help = "Size of compressible region in buffer",
3560 .interval = 256,
3561 .category = FIO_OPT_C_IO,
3562 .group = FIO_OPT_G_IO_BUF,
3563 },
3564 {
3565 .name = "dedupe_percentage",
3566 .lname = "Dedupe percentage",
3567 .type = FIO_OPT_INT,
3568 .cb = str_dedupe_cb,
3569 .off1 = td_var_offset(dedupe_percentage),
3570 .maxval = 100,
3571 .minval = 0,
3572 .help = "Percentage of buffers that are dedupable",
3573 .interval = 1,
3574 .category = FIO_OPT_C_IO,
3575 .group = FIO_OPT_G_IO_BUF,
3576 },
3577 {
3578 .name = "clat_percentiles",
3579 .lname = "Completion latency percentiles",
3580 .type = FIO_OPT_BOOL,
3581 .off1 = td_var_offset(clat_percentiles),
3582 .help = "Enable the reporting of completion latency percentiles",
3583 .def = "1",
3584 .category = FIO_OPT_C_STAT,
3585 .group = FIO_OPT_G_INVALID,
3586 },
3587 {
3588 .name = "percentile_list",
3589 .lname = "Percentile list",
3590 .type = FIO_OPT_FLOAT_LIST,
3591 .off1 = td_var_offset(percentile_list),
3592 .off2 = td_var_offset(percentile_precision),
3593 .help = "Specify a custom list of percentiles to report for "
3594 "completion latency and block errors",
3595 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
3596 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3597 .minfp = 0.0,
3598 .maxfp = 100.0,
3599 .category = FIO_OPT_C_STAT,
3600 .group = FIO_OPT_G_INVALID,
3601 },
3602
3603#ifdef FIO_HAVE_DISK_UTIL
3604 {
3605 .name = "disk_util",
3606 .lname = "Disk utilization",
3607 .type = FIO_OPT_BOOL,
3608 .off1 = td_var_offset(do_disk_util),
3609 .help = "Log disk utilization statistics",
3610 .def = "1",
3611 .category = FIO_OPT_C_STAT,
3612 .group = FIO_OPT_G_INVALID,
3613 },
3614#endif
3615 {
3616 .name = "gtod_reduce",
3617 .lname = "Reduce gettimeofday() calls",
3618 .type = FIO_OPT_BOOL,
3619 .help = "Greatly reduce number of gettimeofday() calls",
3620 .cb = str_gtod_reduce_cb,
3621 .def = "0",
3622 .hide_on_set = 1,
3623 .category = FIO_OPT_C_STAT,
3624 .group = FIO_OPT_G_INVALID,
3625 },
3626 {
3627 .name = "disable_lat",
3628 .lname = "Disable all latency stats",
3629 .type = FIO_OPT_BOOL,
3630 .off1 = td_var_offset(disable_lat),
3631 .help = "Disable latency numbers",
3632 .parent = "gtod_reduce",
3633 .hide = 1,
3634 .def = "0",
3635 .category = FIO_OPT_C_STAT,
3636 .group = FIO_OPT_G_INVALID,
3637 },
3638 {
3639 .name = "disable_clat",
3640 .lname = "Disable completion latency stats",
3641 .type = FIO_OPT_BOOL,
3642 .off1 = td_var_offset(disable_clat),
3643 .help = "Disable completion latency numbers",
3644 .parent = "gtod_reduce",
3645 .hide = 1,
3646 .def = "0",
3647 .category = FIO_OPT_C_STAT,
3648 .group = FIO_OPT_G_INVALID,
3649 },
3650 {
3651 .name = "disable_slat",
3652 .lname = "Disable submission latency stats",
3653 .type = FIO_OPT_BOOL,
3654 .off1 = td_var_offset(disable_slat),
3655 .help = "Disable submission latency numbers",
3656 .parent = "gtod_reduce",
3657 .hide = 1,
3658 .def = "0",
3659 .category = FIO_OPT_C_STAT,
3660 .group = FIO_OPT_G_INVALID,
3661 },
3662 {
3663 .name = "disable_bw_measurement",
3664 .lname = "Disable bandwidth stats",
3665 .type = FIO_OPT_BOOL,
3666 .off1 = td_var_offset(disable_bw),
3667 .help = "Disable bandwidth logging",
3668 .parent = "gtod_reduce",
3669 .hide = 1,
3670 .def = "0",
3671 .category = FIO_OPT_C_STAT,
3672 .group = FIO_OPT_G_INVALID,
3673 },
3674 {
3675 .name = "gtod_cpu",
3676 .lname = "Dedicated gettimeofday() CPU",
3677 .type = FIO_OPT_INT,
3678 .off1 = td_var_offset(gtod_cpu),
3679 .help = "Set up dedicated gettimeofday() thread on this CPU",
3680 .verify = gtod_cpu_verify,
3681 .category = FIO_OPT_C_GENERAL,
3682 .group = FIO_OPT_G_CLOCK,
3683 },
3684 {
3685 .name = "unified_rw_reporting",
3686 .type = FIO_OPT_BOOL,
3687 .off1 = td_var_offset(unified_rw_rep),
3688 .help = "Unify reporting across data direction",
3689 .def = "0",
3690 .category = FIO_OPT_C_GENERAL,
3691 .group = FIO_OPT_G_INVALID,
3692 },
3693 {
3694 .name = "continue_on_error",
3695 .lname = "Continue on error",
3696 .type = FIO_OPT_STR,
3697 .off1 = td_var_offset(continue_on_error),
3698 .help = "Continue on non-fatal errors during IO",
3699 .def = "none",
3700 .category = FIO_OPT_C_GENERAL,
3701 .group = FIO_OPT_G_ERR,
3702 .posval = {
3703 { .ival = "none",
3704 .oval = ERROR_TYPE_NONE,
3705 .help = "Exit when an error is encountered",
3706 },
3707 { .ival = "read",
3708 .oval = ERROR_TYPE_READ,
3709 .help = "Continue on read errors only",
3710 },
3711 { .ival = "write",
3712 .oval = ERROR_TYPE_WRITE,
3713 .help = "Continue on write errors only",
3714 },
3715 { .ival = "io",
3716 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3717 .help = "Continue on any IO errors",
3718 },
3719 { .ival = "verify",
3720 .oval = ERROR_TYPE_VERIFY,
3721 .help = "Continue on verify errors only",
3722 },
3723 { .ival = "all",
3724 .oval = ERROR_TYPE_ANY,
3725 .help = "Continue on all io and verify errors",
3726 },
3727 { .ival = "0",
3728 .oval = ERROR_TYPE_NONE,
3729 .help = "Alias for 'none'",
3730 },
3731 { .ival = "1",
3732 .oval = ERROR_TYPE_ANY,
3733 .help = "Alias for 'all'",
3734 },
3735 },
3736 },
3737 {
3738 .name = "ignore_error",
3739 .type = FIO_OPT_STR,
3740 .cb = str_ignore_error_cb,
3741 .off1 = td_var_offset(ignore_error_nr),
3742 .help = "Set a specific list of errors to ignore",
3743 .parent = "rw",
3744 .category = FIO_OPT_C_GENERAL,
3745 .group = FIO_OPT_G_ERR,
3746 },
3747 {
3748 .name = "error_dump",
3749 .type = FIO_OPT_BOOL,
3750 .off1 = td_var_offset(error_dump),
3751 .def = "0",
3752 .help = "Dump info on each error",
3753 .category = FIO_OPT_C_GENERAL,
3754 .group = FIO_OPT_G_ERR,
3755 },
3756 {
3757 .name = "profile",
3758 .lname = "Profile",
3759 .type = FIO_OPT_STR_STORE,
3760 .off1 = td_var_offset(profile),
3761 .help = "Select a specific builtin performance test",
3762 .category = FIO_OPT_C_PROFILE,
3763 .group = FIO_OPT_G_INVALID,
3764 },
3765 {
3766 .name = "cgroup",
3767 .lname = "Cgroup",
3768 .type = FIO_OPT_STR_STORE,
3769 .off1 = td_var_offset(cgroup),
3770 .help = "Add job to cgroup of this name",
3771 .category = FIO_OPT_C_GENERAL,
3772 .group = FIO_OPT_G_CGROUP,
3773 },
3774 {
3775 .name = "cgroup_nodelete",
3776 .lname = "Cgroup no-delete",
3777 .type = FIO_OPT_BOOL,
3778 .off1 = td_var_offset(cgroup_nodelete),
3779 .help = "Do not delete cgroups after job completion",
3780 .def = "0",
3781 .parent = "cgroup",
3782 .category = FIO_OPT_C_GENERAL,
3783 .group = FIO_OPT_G_CGROUP,
3784 },
3785 {
3786 .name = "cgroup_weight",
3787 .lname = "Cgroup weight",
3788 .type = FIO_OPT_INT,
3789 .off1 = td_var_offset(cgroup_weight),
3790 .help = "Use given weight for cgroup",
3791 .minval = 100,
3792 .maxval = 1000,
3793 .parent = "cgroup",
3794 .category = FIO_OPT_C_GENERAL,
3795 .group = FIO_OPT_G_CGROUP,
3796 },
3797 {
3798 .name = "uid",
3799 .lname = "User ID",
3800 .type = FIO_OPT_INT,
3801 .off1 = td_var_offset(uid),
3802 .help = "Run job with this user ID",
3803 .category = FIO_OPT_C_GENERAL,
3804 .group = FIO_OPT_G_CRED,
3805 },
3806 {
3807 .name = "gid",
3808 .lname = "Group ID",
3809 .type = FIO_OPT_INT,
3810 .off1 = td_var_offset(gid),
3811 .help = "Run job with this group ID",
3812 .category = FIO_OPT_C_GENERAL,
3813 .group = FIO_OPT_G_CRED,
3814 },
3815 {
3816 .name = "kb_base",
3817 .lname = "KB Base",
3818 .type = FIO_OPT_INT,
3819 .off1 = td_var_offset(kb_base),
3820 .prio = 1,
3821 .def = "1024",
3822 .posval = {
3823 { .ival = "1024",
3824 .oval = 1024,
3825 .help = "Use 1024 as the K base",
3826 },
3827 { .ival = "1000",
3828 .oval = 1000,
3829 .help = "Use 1000 as the K base",
3830 },
3831 },
3832 .help = "How many bytes per KB for reporting (1000 or 1024)",
3833 .category = FIO_OPT_C_GENERAL,
3834 .group = FIO_OPT_G_INVALID,
3835 },
3836 {
3837 .name = "unit_base",
3838 .lname = "Base unit for reporting (Bits or Bytes)",
3839 .type = FIO_OPT_INT,
3840 .off1 = td_var_offset(unit_base),
3841 .prio = 1,
3842 .posval = {
3843 { .ival = "0",
3844 .oval = 0,
3845 .help = "Auto-detect",
3846 },
3847 { .ival = "8",
3848 .oval = 8,
3849 .help = "Normal (byte based)",
3850 },
3851 { .ival = "1",
3852 .oval = 1,
3853 .help = "Bit based",
3854 },
3855 },
3856 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3857 .category = FIO_OPT_C_GENERAL,
3858 .group = FIO_OPT_G_INVALID,
3859 },
3860 {
3861 .name = "hugepage-size",
3862 .lname = "Hugepage size",
3863 .type = FIO_OPT_INT,
3864 .off1 = td_var_offset(hugepage_size),
3865 .help = "When using hugepages, specify size of each page",
3866 .def = __fio_stringify(FIO_HUGE_PAGE),
3867 .interval = 1024 * 1024,
3868 .category = FIO_OPT_C_GENERAL,
3869 .group = FIO_OPT_G_INVALID,
3870 },
3871 {
3872 .name = "flow_id",
3873 .lname = "I/O flow ID",
3874 .type = FIO_OPT_INT,
3875 .off1 = td_var_offset(flow_id),
3876 .help = "The flow index ID to use",
3877 .def = "0",
3878 .category = FIO_OPT_C_IO,
3879 .group = FIO_OPT_G_IO_FLOW,
3880 },
3881 {
3882 .name = "flow",
3883 .lname = "I/O flow weight",
3884 .type = FIO_OPT_INT,
3885 .off1 = td_var_offset(flow),
3886 .help = "Weight for flow control of this job",
3887 .parent = "flow_id",
3888 .hide = 1,
3889 .def = "0",
3890 .category = FIO_OPT_C_IO,
3891 .group = FIO_OPT_G_IO_FLOW,
3892 },
3893 {
3894 .name = "flow_watermark",
3895 .lname = "I/O flow watermark",
3896 .type = FIO_OPT_INT,
3897 .off1 = td_var_offset(flow_watermark),
3898 .help = "High watermark for flow control. This option"
3899 " should be set to the same value for all threads"
3900 " with non-zero flow.",
3901 .parent = "flow_id",
3902 .hide = 1,
3903 .def = "1024",
3904 .category = FIO_OPT_C_IO,
3905 .group = FIO_OPT_G_IO_FLOW,
3906 },
3907 {
3908 .name = "flow_sleep",
3909 .lname = "I/O flow sleep",
3910 .type = FIO_OPT_INT,
3911 .off1 = td_var_offset(flow_sleep),
3912 .help = "How many microseconds to sleep after being held"
3913 " back by the flow control mechanism",
3914 .parent = "flow_id",
3915 .hide = 1,
3916 .def = "0",
3917 .category = FIO_OPT_C_IO,
3918 .group = FIO_OPT_G_IO_FLOW,
3919 },
3920 {
3921 .name = "skip_bad",
3922 .lname = "Skip operations against bad blocks",
3923 .type = FIO_OPT_BOOL,
3924 .off1 = td_var_offset(skip_bad),
3925 .help = "Skip operations against known bad blocks.",
3926 .hide = 1,
3927 .def = "0",
3928 .category = FIO_OPT_C_IO,
3929 .group = FIO_OPT_G_MTD,
3930 },
3931 {
3932 .name = NULL,
3933 },
3934};
3935
3936static void add_to_lopt(struct option *lopt, struct fio_option *o,
3937 const char *name, int val)
3938{
3939 lopt->name = (char *) name;
3940 lopt->val = val;
3941 if (o->type == FIO_OPT_STR_SET)
3942 lopt->has_arg = optional_argument;
3943 else
3944 lopt->has_arg = required_argument;
3945}
3946
3947static void options_to_lopts(struct fio_option *opts,
3948 struct option *long_options,
3949 int i, int option_type)
3950{
3951 struct fio_option *o = &opts[0];
3952 while (o->name) {
3953 add_to_lopt(&long_options[i], o, o->name, option_type);
3954 if (o->alias) {
3955 i++;
3956 add_to_lopt(&long_options[i], o, o->alias, option_type);
3957 }
3958
3959 i++;
3960 o++;
3961 assert(i < FIO_NR_OPTIONS);
3962 }
3963}
3964
3965void fio_options_set_ioengine_opts(struct option *long_options,
3966 struct thread_data *td)
3967{
3968 unsigned int i;
3969
3970 i = 0;
3971 while (long_options[i].name) {
3972 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3973 memset(&long_options[i], 0, sizeof(*long_options));
3974 break;
3975 }
3976 i++;
3977 }
3978
3979 /*
3980 * Just clear out the prior ioengine options.
3981 */
3982 if (!td || !td->eo)
3983 return;
3984
3985 options_to_lopts(td->io_ops->options, long_options, i,
3986 FIO_GETOPT_IOENGINE);
3987}
3988
3989void fio_options_dup_and_init(struct option *long_options)
3990{
3991 unsigned int i;
3992
3993 options_init(fio_options);
3994
3995 i = 0;
3996 while (long_options[i].name)
3997 i++;
3998
3999 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
4000}
4001
4002struct fio_keyword {
4003 const char *word;
4004 const char *desc;
4005 char *replace;
4006};
4007
4008static struct fio_keyword fio_keywords[] = {
4009 {
4010 .word = "$pagesize",
4011 .desc = "Page size in the system",
4012 },
4013 {
4014 .word = "$mb_memory",
4015 .desc = "Megabytes of memory online",
4016 },
4017 {
4018 .word = "$ncpus",
4019 .desc = "Number of CPUs online in the system",
4020 },
4021 {
4022 .word = NULL,
4023 },
4024};
4025
4026void fio_keywords_exit(void)
4027{
4028 struct fio_keyword *kw;
4029
4030 kw = &fio_keywords[0];
4031 while (kw->word) {
4032 free(kw->replace);
4033 kw->replace = NULL;
4034 kw++;
4035 }
4036}
4037
4038void fio_keywords_init(void)
4039{
4040 unsigned long long mb_memory;
4041 char buf[128];
4042 long l;
4043
4044 sprintf(buf, "%lu", (unsigned long) page_size);
4045 fio_keywords[0].replace = strdup(buf);
4046
4047 mb_memory = os_phys_mem() / (1024 * 1024);
4048 sprintf(buf, "%llu", mb_memory);
4049 fio_keywords[1].replace = strdup(buf);
4050
4051 l = cpus_online();
4052 sprintf(buf, "%lu", l);
4053 fio_keywords[2].replace = strdup(buf);
4054}
4055
4056#define BC_APP "bc"
4057
4058static char *bc_calc(char *str)
4059{
4060 char buf[128], *tmp;
4061 FILE *f;
4062 int ret;
4063
4064 /*
4065 * No math, just return string
4066 */
4067 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4068 !strchr(str, '/')) || strchr(str, '\''))
4069 return str;
4070
4071 /*
4072 * Split option from value, we only need to calculate the value
4073 */
4074 tmp = strchr(str, '=');
4075 if (!tmp)
4076 return str;
4077
4078 tmp++;
4079
4080 /*
4081 * Prevent buffer overflows; such a case isn't reasonable anyway
4082 */
4083 if (strlen(str) >= 128 || strlen(tmp) > 100)
4084 return str;
4085
4086 sprintf(buf, "which %s > /dev/null", BC_APP);
4087 if (system(buf)) {
4088 log_err("fio: bc is needed for performing math\n");
4089 return NULL;
4090 }
4091
4092 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
4093 f = popen(buf, "r");
4094 if (!f)
4095 return NULL;
4096
4097 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
4098 if (ret <= 0) {
4099 pclose(f);
4100 return NULL;
4101 }
4102
4103 pclose(f);
4104 buf[(tmp - str) + ret - 1] = '\0';
4105 memcpy(buf, str, tmp - str);
4106 free(str);
4107 return strdup(buf);
4108}
4109
4110/*
4111 * Return a copy of the input string with substrings of the form ${VARNAME}
4112 * substituted with the value of the environment variable VARNAME. The
4113 * substitution always occurs, even if VARNAME is empty or the corresponding
4114 * environment variable undefined.
4115 */
4116static char *option_dup_subs(const char *opt)
4117{
4118 char out[OPT_LEN_MAX+1];
4119 char in[OPT_LEN_MAX+1];
4120 char *outptr = out;
4121 char *inptr = in;
4122 char *ch1, *ch2, *env;
4123 ssize_t nchr = OPT_LEN_MAX;
4124 size_t envlen;
4125
4126 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4127 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4128 return NULL;
4129 }
4130
4131 in[OPT_LEN_MAX] = '\0';
4132 strncpy(in, opt, OPT_LEN_MAX);
4133
4134 while (*inptr && nchr > 0) {
4135 if (inptr[0] == '$' && inptr[1] == '{') {
4136 ch2 = strchr(inptr, '}');
4137 if (ch2 && inptr+1 < ch2) {
4138 ch1 = inptr+2;
4139 inptr = ch2+1;
4140 *ch2 = '\0';
4141
4142 env = getenv(ch1);
4143 if (env) {
4144 envlen = strlen(env);
4145 if (envlen <= nchr) {
4146 memcpy(outptr, env, envlen);
4147 outptr += envlen;
4148 nchr -= envlen;
4149 }
4150 }
4151
4152 continue;
4153 }
4154 }
4155
4156 *outptr++ = *inptr++;
4157 --nchr;
4158 }
4159
4160 *outptr = '\0';
4161 return strdup(out);
4162}
4163
4164/*
4165 * Look for reserved variable names and replace them with real values
4166 */
4167static char *fio_keyword_replace(char *opt)
4168{
4169 char *s;
4170 int i;
4171 int docalc = 0;
4172
4173 for (i = 0; fio_keywords[i].word != NULL; i++) {
4174 struct fio_keyword *kw = &fio_keywords[i];
4175
4176 while ((s = strstr(opt, kw->word)) != NULL) {
4177 char *new = malloc(strlen(opt) + 1);
4178 char *o_org = opt;
4179 int olen = s - opt;
4180 int len;
4181
4182 /*
4183 * Copy part of the string before the keyword and
4184 * sprintf() the replacement after it.
4185 */
4186 memcpy(new, opt, olen);
4187 len = sprintf(new + olen, "%s", kw->replace);
4188
4189 /*
4190 * If there's more in the original string, copy that
4191 * in too
4192 */
4193 opt += strlen(kw->word) + olen;
4194 if (strlen(opt))
4195 memcpy(new + olen + len, opt, opt - o_org - 1);
4196
4197 /*
4198 * replace opt and free the old opt
4199 */
4200 opt = new;
4201 free(o_org);
4202
4203 docalc = 1;
4204 }
4205 }
4206
4207 /*
4208 * Check for potential math and invoke bc, if possible
4209 */
4210 if (docalc)
4211 opt = bc_calc(opt);
4212
4213 return opt;
4214}
4215
4216static char **dup_and_sub_options(char **opts, int num_opts)
4217{
4218 int i;
4219 char **opts_copy = malloc(num_opts * sizeof(*opts));
4220 for (i = 0; i < num_opts; i++) {
4221 opts_copy[i] = option_dup_subs(opts[i]);
4222 if (!opts_copy[i])
4223 continue;
4224 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4225 }
4226 return opts_copy;
4227}
4228
4229static void show_closest_option(const char *opt)
4230{
4231 int best_option, best_distance;
4232 int i, distance;
4233 char *name;
4234
4235 if (!strlen(opt))
4236 return;
4237
4238 name = strdup(opt);
4239 i = 0;
4240 while (name[i] != '\0' && name[i] != '=')
4241 i++;
4242 name[i] = '\0';
4243
4244 best_option = -1;
4245 best_distance = INT_MAX;
4246 i = 0;
4247 while (fio_options[i].name) {
4248 distance = string_distance(name, fio_options[i].name);
4249 if (distance < best_distance) {
4250 best_distance = distance;
4251 best_option = i;
4252 }
4253 i++;
4254 }
4255
4256 if (best_option != -1 && string_distance_ok(name, best_distance))
4257 log_err("Did you mean %s?\n", fio_options[best_option].name);
4258
4259 free(name);
4260}
4261
4262int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
4263{
4264 int i, ret, unknown;
4265 char **opts_copy;
4266
4267 sort_options(opts, fio_options, num_opts);
4268 opts_copy = dup_and_sub_options(opts, num_opts);
4269
4270 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4271 struct fio_option *o;
4272 int newret = parse_option(opts_copy[i], opts[i], fio_options,
4273 &o, td, &td->opt_list);
4274
4275 if (!newret && o)
4276 fio_option_mark_set(&td->o, o);
4277
4278 if (opts_copy[i]) {
4279 if (newret && !o) {
4280 unknown++;
4281 continue;
4282 }
4283 free(opts_copy[i]);
4284 opts_copy[i] = NULL;
4285 }
4286
4287 ret |= newret;
4288 }
4289
4290 if (unknown) {
4291 ret |= ioengine_load(td);
4292 if (td->eo) {
4293 sort_options(opts_copy, td->io_ops->options, num_opts);
4294 opts = opts_copy;
4295 }
4296 for (i = 0; i < num_opts; i++) {
4297 struct fio_option *o = NULL;
4298 int newret = 1;
4299
4300 if (!opts_copy[i])
4301 continue;
4302
4303 if (td->eo)
4304 newret = parse_option(opts_copy[i], opts[i],
4305 td->io_ops->options, &o,
4306 td->eo, &td->opt_list);
4307
4308 ret |= newret;
4309 if (!o) {
4310 log_err("Bad option <%s>\n", opts[i]);
4311 show_closest_option(opts[i]);
4312 }
4313 free(opts_copy[i]);
4314 opts_copy[i] = NULL;
4315 }
4316 }
4317
4318 free(opts_copy);
4319 return ret;
4320}
4321
4322int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4323{
4324 int ret;
4325
4326 ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list);
4327 if (!ret) {
4328 struct fio_option *o;
4329
4330 o = find_option(fio_options, opt);
4331 if (o)
4332 fio_option_mark_set(&td->o, o);
4333 }
4334
4335 return ret;
4336}
4337
4338int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4339 char *val)
4340{
4341 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4342 &td->opt_list);
4343}
4344
4345void fio_fill_default_options(struct thread_data *td)
4346{
4347 td->o.magic = OPT_MAGIC;
4348 fill_default_options(td, fio_options);
4349}
4350
4351int fio_show_option_help(const char *opt)
4352{
4353 return show_cmd_help(fio_options, opt);
4354}
4355
4356void options_mem_dupe(void *data, struct fio_option *options)
4357{
4358 struct fio_option *o;
4359 char **ptr;
4360
4361 for (o = &options[0]; o->name; o++) {
4362 if (o->type != FIO_OPT_STR_STORE)
4363 continue;
4364
4365 ptr = td_var(data, o, o->off1);
4366 if (*ptr)
4367 *ptr = strdup(*ptr);
4368 }
4369}
4370
4371/*
4372 * dupe FIO_OPT_STR_STORE options
4373 */
4374void fio_options_mem_dupe(struct thread_data *td)
4375{
4376 options_mem_dupe(&td->o, fio_options);
4377
4378 if (td->eo && td->io_ops) {
4379 void *oldeo = td->eo;
4380
4381 td->eo = malloc(td->io_ops->option_struct_size);
4382 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4383 options_mem_dupe(td->eo, td->io_ops->options);
4384 }
4385}
4386
4387unsigned int fio_get_kb_base(void *data)
4388{
4389 struct thread_options *o = data;
4390 unsigned int kb_base = 0;
4391
4392 /*
4393 * This is a hack... For private options, *data is not holding
4394 * a pointer to the thread_options, but to private data. This means
4395 * we can't safely dereference it, but magic is first so mem wise
4396 * it is valid. But this also means that if the job first sets
4397 * kb_base and expects that to be honored by private options,
4398 * it will be disappointed. We will return the global default
4399 * for this.
4400 */
4401 if (o && o->magic == OPT_MAGIC)
4402 kb_base = o->kb_base;
4403 if (!kb_base)
4404 kb_base = 1024;
4405
4406 return kb_base;
4407}
4408
4409int add_option(struct fio_option *o)
4410{
4411 struct fio_option *__o;
4412 int opt_index = 0;
4413
4414 __o = fio_options;
4415 while (__o->name) {
4416 opt_index++;
4417 __o++;
4418 }
4419
4420 if (opt_index + 1 == FIO_MAX_OPTS) {
4421 log_err("fio: FIO_MAX_OPTS is too small\n");
4422 return 1;
4423 }
4424
4425 memcpy(&fio_options[opt_index], o, sizeof(*o));
4426 fio_options[opt_index + 1].name = NULL;
4427 return 0;
4428}
4429
4430void invalidate_profile_options(const char *prof_name)
4431{
4432 struct fio_option *o;
4433
4434 o = fio_options;
4435 while (o->name) {
4436 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4437 o->type = FIO_OPT_INVALID;
4438 o->prof_name = NULL;
4439 }
4440 o++;
4441 }
4442}
4443
4444void add_opt_posval(const char *optname, const char *ival, const char *help)
4445{
4446 struct fio_option *o;
4447 unsigned int i;
4448
4449 o = find_option(fio_options, optname);
4450 if (!o)
4451 return;
4452
4453 for (i = 0; i < PARSE_MAX_VP; i++) {
4454 if (o->posval[i].ival)
4455 continue;
4456
4457 o->posval[i].ival = ival;
4458 o->posval[i].help = help;
4459 break;
4460 }
4461}
4462
4463void del_opt_posval(const char *optname, const char *ival)
4464{
4465 struct fio_option *o;
4466 unsigned int i;
4467
4468 o = find_option(fio_options, optname);
4469 if (!o)
4470 return;
4471
4472 for (i = 0; i < PARSE_MAX_VP; i++) {
4473 if (!o->posval[i].ival)
4474 continue;
4475 if (strcmp(o->posval[i].ival, ival))
4476 continue;
4477
4478 o->posval[i].ival = NULL;
4479 o->posval[i].help = NULL;
4480 }
4481}
4482
4483void fio_options_free(struct thread_data *td)
4484{
4485 options_free(fio_options, td);
4486 if (td->eo && td->io_ops && td->io_ops->options) {
4487 options_free(td->io_ops->options, td->eo);
4488 free(td->eo);
4489 td->eo = NULL;
4490 }
4491}
4492
4493struct fio_option *fio_option_find(const char *name)
4494{
4495 return find_option(fio_options, name);
4496}
4497
4498static struct fio_option *find_next_opt(struct thread_options *o,
4499 struct fio_option *from,
4500 unsigned int off1)
4501{
4502 struct fio_option *opt;
4503
4504 if (!from)
4505 from = &fio_options[0];
4506 else
4507 from++;
4508
4509 opt = NULL;
4510 do {
4511 if (off1 == from->off1) {
4512 opt = from;
4513 break;
4514 }
4515 from++;
4516 } while (from->name);
4517
4518 return opt;
4519}
4520
4521static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4522{
4523 unsigned int opt_off, index, offset;
4524
4525 opt_off = opt - &fio_options[0];
4526 index = opt_off / (8 * sizeof(uint64_t));
4527 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4528 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
4529}
4530
4531bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
4532{
4533 struct fio_option *opt, *next;
4534
4535 next = NULL;
4536 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4537 if (opt_is_set(o, opt))
4538 return true;
4539
4540 next = opt;
4541 }
4542
4543 return false;
4544}
4545
4546void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4547{
4548 unsigned int opt_off, index, offset;
4549
4550 opt_off = opt - &fio_options[0];
4551 index = opt_off / (8 * sizeof(uint64_t));
4552 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4553 o->set_options[index] |= (uint64_t)1 << offset;
4554}
fio - Flexible IO Tester