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This commit / feature adds completion latency histogram output to fio, piggybacking
[fio.git] / options.c
... / ...
CommitLineData
1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
6#include <assert.h>
7#include <libgen.h>
8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
11#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(char *);
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 bool unique_filename)
1129{
1130 unsigned int cur_idx;
1131 int len;
1132 char *fname, *str, *p;
1133
1134 p = str = strdup(input);
1135
1136 index %= get_max_name_idx(input);
1137 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1138 fname = get_next_name(&str);
1139
1140 if (client_sockaddr_str[0] && unique_filename) {
1141 len = snprintf(target, tlen, "%s/%s.", fname,
1142 client_sockaddr_str);
1143 } else
1144 len = snprintf(target, tlen, "%s/", fname);
1145
1146 target[tlen - 1] = '\0';
1147 free(p);
1148
1149 return len;
1150}
1151
1152static int str_filename_cb(void *data, const char *input)
1153{
1154 struct thread_data *td = data;
1155 char *fname, *str, *p;
1156
1157 p = str = strdup(input);
1158
1159 strip_blank_front(&str);
1160 strip_blank_end(str);
1161
1162 if (!td->files_index)
1163 td->o.nr_files = 0;
1164
1165 while ((fname = get_next_name(&str)) != NULL) {
1166 if (!strlen(fname))
1167 break;
1168 add_file(td, fname, 0, 1);
1169 }
1170
1171 free(p);
1172 return 0;
1173}
1174
1175static int str_directory_cb(void *data, const char fio_unused *unused)
1176{
1177 struct thread_data *td = data;
1178 struct stat sb;
1179 char *dirname, *str, *p;
1180 int ret = 0;
1181
1182 if (parse_dryrun())
1183 return 0;
1184
1185 p = str = strdup(td->o.directory);
1186 while ((dirname = get_next_name(&str)) != NULL) {
1187 if (lstat(dirname, &sb) < 0) {
1188 ret = errno;
1189
1190 log_err("fio: %s is not a directory\n", dirname);
1191 td_verror(td, ret, "lstat");
1192 goto out;
1193 }
1194 if (!S_ISDIR(sb.st_mode)) {
1195 log_err("fio: %s is not a directory\n", dirname);
1196 ret = 1;
1197 goto out;
1198 }
1199 }
1200
1201out:
1202 free(p);
1203 return ret;
1204}
1205
1206static int str_opendir_cb(void *data, const char fio_unused *str)
1207{
1208 struct thread_data *td = data;
1209
1210 if (parse_dryrun())
1211 return 0;
1212
1213 if (!td->files_index)
1214 td->o.nr_files = 0;
1215
1216 return add_dir_files(td, td->o.opendir);
1217}
1218
1219static int str_buffer_pattern_cb(void *data, const char *input)
1220{
1221 struct thread_data *td = data;
1222 int ret;
1223
1224 /* FIXME: for now buffer pattern does not support formats */
1225 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1226 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1227 if (ret < 0)
1228 return 1;
1229
1230 assert(ret != 0);
1231 td->o.buffer_pattern_bytes = ret;
1232 if (!td->o.compress_percentage)
1233 td->o.refill_buffers = 0;
1234 td->o.scramble_buffers = 0;
1235 td->o.zero_buffers = 0;
1236
1237 return 0;
1238}
1239
1240static int str_buffer_compress_cb(void *data, unsigned long long *il)
1241{
1242 struct thread_data *td = data;
1243
1244 td->flags |= TD_F_COMPRESS;
1245 td->o.compress_percentage = *il;
1246 return 0;
1247}
1248
1249static int str_dedupe_cb(void *data, unsigned long long *il)
1250{
1251 struct thread_data *td = data;
1252
1253 td->flags |= TD_F_COMPRESS;
1254 td->o.dedupe_percentage = *il;
1255 td->o.refill_buffers = 1;
1256 return 0;
1257}
1258
1259static int str_verify_pattern_cb(void *data, const char *input)
1260{
1261 struct thread_data *td = data;
1262 int ret;
1263
1264 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1265 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
1266 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1267 td->o.verify_fmt, &td->o.verify_fmt_sz);
1268 if (ret < 0)
1269 return 1;
1270
1271 assert(ret != 0);
1272 td->o.verify_pattern_bytes = ret;
1273 /*
1274 * VERIFY_* could already be set
1275 */
1276 if (!fio_option_is_set(&td->o, verify))
1277 td->o.verify = VERIFY_PATTERN;
1278
1279 return 0;
1280}
1281
1282static int str_gtod_reduce_cb(void *data, int *il)
1283{
1284 struct thread_data *td = data;
1285 int val = *il;
1286
1287 td->o.disable_lat = !!val;
1288 td->o.disable_clat = !!val;
1289 td->o.disable_slat = !!val;
1290 td->o.disable_bw = !!val;
1291 td->o.clat_percentiles = !val;
1292 if (val)
1293 td->tv_cache_mask = 63;
1294
1295 return 0;
1296}
1297
1298static int str_size_cb(void *data, unsigned long long *__val)
1299{
1300 struct thread_data *td = data;
1301 unsigned long long v = *__val;
1302
1303 if (parse_is_percent(v)) {
1304 td->o.size = 0;
1305 td->o.size_percent = -1ULL - v;
1306 } else
1307 td->o.size = v;
1308
1309 return 0;
1310}
1311
1312static int rw_verify(struct fio_option *o, void *data)
1313{
1314 struct thread_data *td = data;
1315
1316 if (read_only && td_write(td)) {
1317 log_err("fio: job <%s> has write bit set, but fio is in"
1318 " read-only mode\n", td->o.name);
1319 return 1;
1320 }
1321
1322 return 0;
1323}
1324
1325static int gtod_cpu_verify(struct fio_option *o, void *data)
1326{
1327#ifndef FIO_HAVE_CPU_AFFINITY
1328 struct thread_data *td = data;
1329
1330 if (td->o.gtod_cpu) {
1331 log_err("fio: platform must support CPU affinity for"
1332 "gettimeofday() offloading\n");
1333 return 1;
1334 }
1335#endif
1336
1337 return 0;
1338}
1339
1340/*
1341 * Map of job/command line options
1342 */
1343struct fio_option fio_options[FIO_MAX_OPTS] = {
1344 {
1345 .name = "description",
1346 .lname = "Description of job",
1347 .type = FIO_OPT_STR_STORE,
1348 .off1 = td_var_offset(description),
1349 .help = "Text job description",
1350 .category = FIO_OPT_C_GENERAL,
1351 .group = FIO_OPT_G_DESC,
1352 },
1353 {
1354 .name = "name",
1355 .lname = "Job name",
1356 .type = FIO_OPT_STR_STORE,
1357 .off1 = td_var_offset(name),
1358 .help = "Name of this job",
1359 .category = FIO_OPT_C_GENERAL,
1360 .group = FIO_OPT_G_DESC,
1361 },
1362 {
1363 .name = "wait_for",
1364 .lname = "Waitee name",
1365 .type = FIO_OPT_STR_STORE,
1366 .off1 = td_var_offset(wait_for),
1367 .help = "Name of the job this one wants to wait for before starting",
1368 .category = FIO_OPT_C_GENERAL,
1369 .group = FIO_OPT_G_DESC,
1370 },
1371 {
1372 .name = "filename",
1373 .lname = "Filename(s)",
1374 .type = FIO_OPT_STR_STORE,
1375 .off1 = td_var_offset(filename),
1376 .cb = str_filename_cb,
1377 .prio = -1, /* must come after "directory" */
1378 .help = "File(s) to use for the workload",
1379 .category = FIO_OPT_C_FILE,
1380 .group = FIO_OPT_G_FILENAME,
1381 },
1382 {
1383 .name = "directory",
1384 .lname = "Directory",
1385 .type = FIO_OPT_STR_STORE,
1386 .off1 = td_var_offset(directory),
1387 .cb = str_directory_cb,
1388 .help = "Directory to store files in",
1389 .category = FIO_OPT_C_FILE,
1390 .group = FIO_OPT_G_FILENAME,
1391 },
1392 {
1393 .name = "filename_format",
1394 .lname = "Filename Format",
1395 .type = FIO_OPT_STR_STORE,
1396 .off1 = td_var_offset(filename_format),
1397 .prio = -1, /* must come after "directory" */
1398 .help = "Override default $jobname.$jobnum.$filenum naming",
1399 .def = "$jobname.$jobnum.$filenum",
1400 .category = FIO_OPT_C_FILE,
1401 .group = FIO_OPT_G_FILENAME,
1402 },
1403 {
1404 .name = "unique_filename",
1405 .lname = "Unique Filename",
1406 .type = FIO_OPT_BOOL,
1407 .off1 = td_var_offset(unique_filename),
1408 .help = "For network clients, prefix file with source IP",
1409 .def = "1",
1410 .category = FIO_OPT_C_FILE,
1411 .group = FIO_OPT_G_FILENAME,
1412 },
1413 {
1414 .name = "lockfile",
1415 .lname = "Lockfile",
1416 .type = FIO_OPT_STR,
1417 .off1 = td_var_offset(file_lock_mode),
1418 .help = "Lock file when doing IO to it",
1419 .prio = 1,
1420 .parent = "filename",
1421 .hide = 0,
1422 .def = "none",
1423 .category = FIO_OPT_C_FILE,
1424 .group = FIO_OPT_G_FILENAME,
1425 .posval = {
1426 { .ival = "none",
1427 .oval = FILE_LOCK_NONE,
1428 .help = "No file locking",
1429 },
1430 { .ival = "exclusive",
1431 .oval = FILE_LOCK_EXCLUSIVE,
1432 .help = "Exclusive file lock",
1433 },
1434 {
1435 .ival = "readwrite",
1436 .oval = FILE_LOCK_READWRITE,
1437 .help = "Read vs write lock",
1438 },
1439 },
1440 },
1441 {
1442 .name = "opendir",
1443 .lname = "Open directory",
1444 .type = FIO_OPT_STR_STORE,
1445 .off1 = td_var_offset(opendir),
1446 .cb = str_opendir_cb,
1447 .help = "Recursively add files from this directory and down",
1448 .category = FIO_OPT_C_FILE,
1449 .group = FIO_OPT_G_FILENAME,
1450 },
1451 {
1452 .name = "rw",
1453 .lname = "Read/write",
1454 .alias = "readwrite",
1455 .type = FIO_OPT_STR,
1456 .cb = str_rw_cb,
1457 .off1 = td_var_offset(td_ddir),
1458 .help = "IO direction",
1459 .def = "read",
1460 .verify = rw_verify,
1461 .category = FIO_OPT_C_IO,
1462 .group = FIO_OPT_G_IO_BASIC,
1463 .posval = {
1464 { .ival = "read",
1465 .oval = TD_DDIR_READ,
1466 .help = "Sequential read",
1467 },
1468 { .ival = "write",
1469 .oval = TD_DDIR_WRITE,
1470 .help = "Sequential write",
1471 },
1472 { .ival = "trim",
1473 .oval = TD_DDIR_TRIM,
1474 .help = "Sequential trim",
1475 },
1476 { .ival = "randread",
1477 .oval = TD_DDIR_RANDREAD,
1478 .help = "Random read",
1479 },
1480 { .ival = "randwrite",
1481 .oval = TD_DDIR_RANDWRITE,
1482 .help = "Random write",
1483 },
1484 { .ival = "randtrim",
1485 .oval = TD_DDIR_RANDTRIM,
1486 .help = "Random trim",
1487 },
1488 { .ival = "rw",
1489 .oval = TD_DDIR_RW,
1490 .help = "Sequential read and write mix",
1491 },
1492 { .ival = "readwrite",
1493 .oval = TD_DDIR_RW,
1494 .help = "Sequential read and write mix",
1495 },
1496 { .ival = "randrw",
1497 .oval = TD_DDIR_RANDRW,
1498 .help = "Random read and write mix"
1499 },
1500 { .ival = "trimwrite",
1501 .oval = TD_DDIR_TRIMWRITE,
1502 .help = "Trim and write mix, trims preceding writes"
1503 },
1504 },
1505 },
1506 {
1507 .name = "rw_sequencer",
1508 .lname = "RW Sequencer",
1509 .type = FIO_OPT_STR,
1510 .off1 = td_var_offset(rw_seq),
1511 .help = "IO offset generator modifier",
1512 .def = "sequential",
1513 .category = FIO_OPT_C_IO,
1514 .group = FIO_OPT_G_IO_BASIC,
1515 .posval = {
1516 { .ival = "sequential",
1517 .oval = RW_SEQ_SEQ,
1518 .help = "Generate sequential offsets",
1519 },
1520 { .ival = "identical",
1521 .oval = RW_SEQ_IDENT,
1522 .help = "Generate identical offsets",
1523 },
1524 },
1525 },
1526
1527 {
1528 .name = "ioengine",
1529 .lname = "IO Engine",
1530 .type = FIO_OPT_STR_STORE,
1531 .off1 = td_var_offset(ioengine),
1532 .help = "IO engine to use",
1533 .def = FIO_PREFERRED_ENGINE,
1534 .category = FIO_OPT_C_IO,
1535 .group = FIO_OPT_G_IO_BASIC,
1536 .posval = {
1537 { .ival = "sync",
1538 .help = "Use read/write",
1539 },
1540 { .ival = "psync",
1541 .help = "Use pread/pwrite",
1542 },
1543 { .ival = "vsync",
1544 .help = "Use readv/writev",
1545 },
1546#ifdef CONFIG_PWRITEV
1547 { .ival = "pvsync",
1548 .help = "Use preadv/pwritev",
1549 },
1550#endif
1551#ifdef FIO_HAVE_PWRITEV2
1552 { .ival = "pvsync2",
1553 .help = "Use preadv2/pwritev2",
1554 },
1555#endif
1556#ifdef CONFIG_LIBAIO
1557 { .ival = "libaio",
1558 .help = "Linux native asynchronous IO",
1559 },
1560#endif
1561#ifdef CONFIG_POSIXAIO
1562 { .ival = "posixaio",
1563 .help = "POSIX asynchronous IO",
1564 },
1565#endif
1566#ifdef CONFIG_SOLARISAIO
1567 { .ival = "solarisaio",
1568 .help = "Solaris native asynchronous IO",
1569 },
1570#endif
1571#ifdef CONFIG_WINDOWSAIO
1572 { .ival = "windowsaio",
1573 .help = "Windows native asynchronous IO"
1574 },
1575#endif
1576#ifdef CONFIG_RBD
1577 { .ival = "rbd",
1578 .help = "Rados Block Device asynchronous IO"
1579 },
1580#endif
1581 { .ival = "mmap",
1582 .help = "Memory mapped IO"
1583 },
1584#ifdef CONFIG_LINUX_SPLICE
1585 { .ival = "splice",
1586 .help = "splice/vmsplice based IO",
1587 },
1588 { .ival = "netsplice",
1589 .help = "splice/vmsplice to/from the network",
1590 },
1591#endif
1592#ifdef FIO_HAVE_SGIO
1593 { .ival = "sg",
1594 .help = "SCSI generic v3 IO",
1595 },
1596#endif
1597 { .ival = "null",
1598 .help = "Testing engine (no data transfer)",
1599 },
1600 { .ival = "net",
1601 .help = "Network IO",
1602 },
1603 { .ival = "cpuio",
1604 .help = "CPU cycle burner engine",
1605 },
1606#ifdef CONFIG_GUASI
1607 { .ival = "guasi",
1608 .help = "GUASI IO engine",
1609 },
1610#endif
1611#ifdef FIO_HAVE_BINJECT
1612 { .ival = "binject",
1613 .help = "binject direct inject block engine",
1614 },
1615#endif
1616#ifdef CONFIG_RDMA
1617 { .ival = "rdma",
1618 .help = "RDMA IO engine",
1619 },
1620#endif
1621#ifdef CONFIG_FUSION_AW
1622 { .ival = "fusion-aw-sync",
1623 .help = "Fusion-io atomic write engine",
1624 },
1625#endif
1626#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1627 { .ival = "e4defrag",
1628 .help = "ext4 defrag engine",
1629 },
1630#endif
1631#ifdef CONFIG_LINUX_FALLOCATE
1632 { .ival = "falloc",
1633 .help = "fallocate() file based engine",
1634 },
1635#endif
1636#ifdef CONFIG_GFAPI
1637 { .ival = "gfapi",
1638 .help = "Glusterfs libgfapi(sync) based engine"
1639 },
1640 { .ival = "gfapi_async",
1641 .help = "Glusterfs libgfapi(async) based engine"
1642 },
1643#endif
1644#ifdef CONFIG_LIBHDFS
1645 { .ival = "libhdfs",
1646 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1647 },
1648#endif
1649#ifdef CONFIG_PMEMBLK
1650 { .ival = "pmemblk",
1651 .help = "NVML libpmemblk based IO engine",
1652 },
1653
1654#endif
1655 { .ival = "external",
1656 .help = "Load external engine (append name)",
1657 },
1658 },
1659 },
1660 {
1661 .name = "iodepth",
1662 .lname = "IO Depth",
1663 .type = FIO_OPT_INT,
1664 .off1 = td_var_offset(iodepth),
1665 .help = "Number of IO buffers to keep in flight",
1666 .minval = 1,
1667 .interval = 1,
1668 .def = "1",
1669 .category = FIO_OPT_C_IO,
1670 .group = FIO_OPT_G_IO_BASIC,
1671 },
1672 {
1673 .name = "iodepth_batch",
1674 .lname = "IO Depth batch",
1675 .alias = "iodepth_batch_submit",
1676 .type = FIO_OPT_INT,
1677 .off1 = td_var_offset(iodepth_batch),
1678 .help = "Number of IO buffers to submit in one go",
1679 .parent = "iodepth",
1680 .hide = 1,
1681 .interval = 1,
1682 .def = "1",
1683 .category = FIO_OPT_C_IO,
1684 .group = FIO_OPT_G_IO_BASIC,
1685 },
1686 {
1687 .name = "iodepth_batch_complete_min",
1688 .lname = "Min IO depth batch complete",
1689 .alias = "iodepth_batch_complete",
1690 .type = FIO_OPT_INT,
1691 .off1 = td_var_offset(iodepth_batch_complete_min),
1692 .help = "Min number of IO buffers to retrieve in one go",
1693 .parent = "iodepth",
1694 .hide = 1,
1695 .minval = 0,
1696 .interval = 1,
1697 .def = "1",
1698 .category = FIO_OPT_C_IO,
1699 .group = FIO_OPT_G_IO_BASIC,
1700 },
1701 {
1702 .name = "iodepth_batch_complete_max",
1703 .lname = "Max IO depth batch complete",
1704 .type = FIO_OPT_INT,
1705 .off1 = td_var_offset(iodepth_batch_complete_max),
1706 .help = "Max number of IO buffers to retrieve in one go",
1707 .parent = "iodepth",
1708 .hide = 1,
1709 .minval = 0,
1710 .interval = 1,
1711 .category = FIO_OPT_C_IO,
1712 .group = FIO_OPT_G_IO_BASIC,
1713 },
1714 {
1715 .name = "iodepth_low",
1716 .lname = "IO Depth batch low",
1717 .type = FIO_OPT_INT,
1718 .off1 = td_var_offset(iodepth_low),
1719 .help = "Low water mark for queuing depth",
1720 .parent = "iodepth",
1721 .hide = 1,
1722 .interval = 1,
1723 .category = FIO_OPT_C_IO,
1724 .group = FIO_OPT_G_IO_BASIC,
1725 },
1726 {
1727 .name = "io_submit_mode",
1728 .lname = "IO submit mode",
1729 .type = FIO_OPT_STR,
1730 .off1 = td_var_offset(io_submit_mode),
1731 .help = "How IO submissions and completions are done",
1732 .def = "inline",
1733 .category = FIO_OPT_C_IO,
1734 .group = FIO_OPT_G_IO_BASIC,
1735 .posval = {
1736 { .ival = "inline",
1737 .oval = IO_MODE_INLINE,
1738 .help = "Submit and complete IO inline",
1739 },
1740 { .ival = "offload",
1741 .oval = IO_MODE_OFFLOAD,
1742 .help = "Offload submit and complete to threads",
1743 },
1744 },
1745 },
1746 {
1747 .name = "size",
1748 .lname = "Size",
1749 .type = FIO_OPT_STR_VAL,
1750 .cb = str_size_cb,
1751 .off1 = td_var_offset(size),
1752 .help = "Total size of device or files",
1753 .interval = 1024 * 1024,
1754 .category = FIO_OPT_C_IO,
1755 .group = FIO_OPT_G_INVALID,
1756 },
1757 {
1758 .name = "io_size",
1759 .alias = "io_limit",
1760 .lname = "IO Size",
1761 .type = FIO_OPT_STR_VAL,
1762 .off1 = td_var_offset(io_limit),
1763 .interval = 1024 * 1024,
1764 .category = FIO_OPT_C_IO,
1765 .group = FIO_OPT_G_INVALID,
1766 },
1767 {
1768 .name = "fill_device",
1769 .lname = "Fill device",
1770 .alias = "fill_fs",
1771 .type = FIO_OPT_BOOL,
1772 .off1 = td_var_offset(fill_device),
1773 .help = "Write until an ENOSPC error occurs",
1774 .def = "0",
1775 .category = FIO_OPT_C_FILE,
1776 .group = FIO_OPT_G_INVALID,
1777 },
1778 {
1779 .name = "filesize",
1780 .lname = "File size",
1781 .type = FIO_OPT_STR_VAL,
1782 .off1 = td_var_offset(file_size_low),
1783 .off2 = td_var_offset(file_size_high),
1784 .minval = 1,
1785 .help = "Size of individual files",
1786 .interval = 1024 * 1024,
1787 .category = FIO_OPT_C_FILE,
1788 .group = FIO_OPT_G_INVALID,
1789 },
1790 {
1791 .name = "file_append",
1792 .lname = "File append",
1793 .type = FIO_OPT_BOOL,
1794 .off1 = td_var_offset(file_append),
1795 .help = "IO will start at the end of the file(s)",
1796 .def = "0",
1797 .category = FIO_OPT_C_FILE,
1798 .group = FIO_OPT_G_INVALID,
1799 },
1800 {
1801 .name = "offset",
1802 .lname = "IO offset",
1803 .alias = "fileoffset",
1804 .type = FIO_OPT_STR_VAL,
1805 .off1 = td_var_offset(start_offset),
1806 .help = "Start IO from this offset",
1807 .def = "0",
1808 .interval = 1024 * 1024,
1809 .category = FIO_OPT_C_IO,
1810 .group = FIO_OPT_G_INVALID,
1811 },
1812 {
1813 .name = "offset_increment",
1814 .lname = "IO offset increment",
1815 .type = FIO_OPT_STR_VAL,
1816 .off1 = td_var_offset(offset_increment),
1817 .help = "What is the increment from one offset to the next",
1818 .parent = "offset",
1819 .hide = 1,
1820 .def = "0",
1821 .interval = 1024 * 1024,
1822 .category = FIO_OPT_C_IO,
1823 .group = FIO_OPT_G_INVALID,
1824 },
1825 {
1826 .name = "number_ios",
1827 .lname = "Number of IOs to perform",
1828 .type = FIO_OPT_STR_VAL,
1829 .off1 = td_var_offset(number_ios),
1830 .help = "Force job completion after this number of IOs",
1831 .def = "0",
1832 .category = FIO_OPT_C_IO,
1833 .group = FIO_OPT_G_INVALID,
1834 },
1835 {
1836 .name = "bs",
1837 .lname = "Block size",
1838 .alias = "blocksize",
1839 .type = FIO_OPT_INT,
1840 .off1 = td_var_offset(bs[DDIR_READ]),
1841 .off2 = td_var_offset(bs[DDIR_WRITE]),
1842 .off3 = td_var_offset(bs[DDIR_TRIM]),
1843 .minval = 1,
1844 .help = "Block size unit",
1845 .def = "4k",
1846 .parent = "rw",
1847 .hide = 1,
1848 .interval = 512,
1849 .category = FIO_OPT_C_IO,
1850 .group = FIO_OPT_G_INVALID,
1851 },
1852 {
1853 .name = "ba",
1854 .lname = "Block size align",
1855 .alias = "blockalign",
1856 .type = FIO_OPT_INT,
1857 .off1 = td_var_offset(ba[DDIR_READ]),
1858 .off2 = td_var_offset(ba[DDIR_WRITE]),
1859 .off3 = td_var_offset(ba[DDIR_TRIM]),
1860 .minval = 1,
1861 .help = "IO block offset alignment",
1862 .parent = "rw",
1863 .hide = 1,
1864 .interval = 512,
1865 .category = FIO_OPT_C_IO,
1866 .group = FIO_OPT_G_INVALID,
1867 },
1868 {
1869 .name = "bsrange",
1870 .lname = "Block size range",
1871 .alias = "blocksize_range",
1872 .type = FIO_OPT_RANGE,
1873 .off1 = td_var_offset(min_bs[DDIR_READ]),
1874 .off2 = td_var_offset(max_bs[DDIR_READ]),
1875 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1876 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
1877 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1878 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
1879 .minval = 1,
1880 .help = "Set block size range (in more detail than bs)",
1881 .parent = "rw",
1882 .hide = 1,
1883 .interval = 4096,
1884 .category = FIO_OPT_C_IO,
1885 .group = FIO_OPT_G_INVALID,
1886 },
1887 {
1888 .name = "bssplit",
1889 .lname = "Block size split",
1890 .type = FIO_OPT_STR,
1891 .cb = str_bssplit_cb,
1892 .off1 = td_var_offset(bssplit),
1893 .help = "Set a specific mix of block sizes",
1894 .parent = "rw",
1895 .hide = 1,
1896 .category = FIO_OPT_C_IO,
1897 .group = FIO_OPT_G_INVALID,
1898 },
1899 {
1900 .name = "bs_unaligned",
1901 .lname = "Block size unaligned",
1902 .alias = "blocksize_unaligned",
1903 .type = FIO_OPT_STR_SET,
1904 .off1 = td_var_offset(bs_unaligned),
1905 .help = "Don't sector align IO buffer sizes",
1906 .parent = "rw",
1907 .hide = 1,
1908 .category = FIO_OPT_C_IO,
1909 .group = FIO_OPT_G_INVALID,
1910 },
1911 {
1912 .name = "bs_is_seq_rand",
1913 .lname = "Block size division is seq/random (not read/write)",
1914 .type = FIO_OPT_BOOL,
1915 .off1 = td_var_offset(bs_is_seq_rand),
1916 .help = "Consider any blocksize setting to be sequential,random",
1917 .def = "0",
1918 .parent = "blocksize",
1919 .category = FIO_OPT_C_IO,
1920 .group = FIO_OPT_G_INVALID,
1921 },
1922 {
1923 .name = "randrepeat",
1924 .lname = "Random repeatable",
1925 .type = FIO_OPT_BOOL,
1926 .off1 = td_var_offset(rand_repeatable),
1927 .help = "Use repeatable random IO pattern",
1928 .def = "1",
1929 .parent = "rw",
1930 .hide = 1,
1931 .category = FIO_OPT_C_IO,
1932 .group = FIO_OPT_G_RANDOM,
1933 },
1934 {
1935 .name = "randseed",
1936 .lname = "The random generator seed",
1937 .type = FIO_OPT_STR_VAL,
1938 .off1 = td_var_offset(rand_seed),
1939 .help = "Set the random generator seed value",
1940 .def = "0x89",
1941 .parent = "rw",
1942 .category = FIO_OPT_C_IO,
1943 .group = FIO_OPT_G_RANDOM,
1944 },
1945 {
1946 .name = "use_os_rand",
1947 .lname = "Use OS random",
1948 .type = FIO_OPT_DEPRECATED,
1949 .off1 = td_var_offset(dep_use_os_rand),
1950 .category = FIO_OPT_C_IO,
1951 .group = FIO_OPT_G_RANDOM,
1952 },
1953 {
1954 .name = "norandommap",
1955 .lname = "No randommap",
1956 .type = FIO_OPT_STR_SET,
1957 .off1 = td_var_offset(norandommap),
1958 .help = "Accept potential duplicate random blocks",
1959 .parent = "rw",
1960 .hide = 1,
1961 .hide_on_set = 1,
1962 .category = FIO_OPT_C_IO,
1963 .group = FIO_OPT_G_RANDOM,
1964 },
1965 {
1966 .name = "softrandommap",
1967 .lname = "Soft randommap",
1968 .type = FIO_OPT_BOOL,
1969 .off1 = td_var_offset(softrandommap),
1970 .help = "Set norandommap if randommap allocation fails",
1971 .parent = "norandommap",
1972 .hide = 1,
1973 .def = "0",
1974 .category = FIO_OPT_C_IO,
1975 .group = FIO_OPT_G_RANDOM,
1976 },
1977 {
1978 .name = "random_generator",
1979 .lname = "Random Generator",
1980 .type = FIO_OPT_STR,
1981 .off1 = td_var_offset(random_generator),
1982 .help = "Type of random number generator to use",
1983 .def = "tausworthe",
1984 .posval = {
1985 { .ival = "tausworthe",
1986 .oval = FIO_RAND_GEN_TAUSWORTHE,
1987 .help = "Strong Tausworthe generator",
1988 },
1989 { .ival = "lfsr",
1990 .oval = FIO_RAND_GEN_LFSR,
1991 .help = "Variable length LFSR",
1992 },
1993 {
1994 .ival = "tausworthe64",
1995 .oval = FIO_RAND_GEN_TAUSWORTHE64,
1996 .help = "64-bit Tausworthe variant",
1997 },
1998 },
1999 .category = FIO_OPT_C_IO,
2000 .group = FIO_OPT_G_RANDOM,
2001 },
2002 {
2003 .name = "random_distribution",
2004 .lname = "Random Distribution",
2005 .type = FIO_OPT_STR,
2006 .off1 = td_var_offset(random_distribution),
2007 .cb = str_random_distribution_cb,
2008 .help = "Random offset distribution generator",
2009 .def = "random",
2010 .posval = {
2011 { .ival = "random",
2012 .oval = FIO_RAND_DIST_RANDOM,
2013 .help = "Completely random",
2014 },
2015 { .ival = "zipf",
2016 .oval = FIO_RAND_DIST_ZIPF,
2017 .help = "Zipf distribution",
2018 },
2019 { .ival = "pareto",
2020 .oval = FIO_RAND_DIST_PARETO,
2021 .help = "Pareto distribution",
2022 },
2023 { .ival = "normal",
2024 .oval = FIO_RAND_DIST_GAUSS,
2025 .help = "Normal (Gaussian) distribution",
2026 },
2027 { .ival = "zoned",
2028 .oval = FIO_RAND_DIST_ZONED,
2029 .help = "Zoned random distribution",
2030 },
2031
2032 },
2033 .category = FIO_OPT_C_IO,
2034 .group = FIO_OPT_G_RANDOM,
2035 },
2036 {
2037 .name = "percentage_random",
2038 .lname = "Percentage Random",
2039 .type = FIO_OPT_INT,
2040 .off1 = td_var_offset(perc_rand[DDIR_READ]),
2041 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
2042 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
2043 .maxval = 100,
2044 .help = "Percentage of seq/random mix that should be random",
2045 .def = "100,100,100",
2046 .interval = 5,
2047 .inverse = "percentage_sequential",
2048 .category = FIO_OPT_C_IO,
2049 .group = FIO_OPT_G_RANDOM,
2050 },
2051 {
2052 .name = "percentage_sequential",
2053 .lname = "Percentage Sequential",
2054 .type = FIO_OPT_DEPRECATED,
2055 .category = FIO_OPT_C_IO,
2056 .group = FIO_OPT_G_RANDOM,
2057 },
2058 {
2059 .name = "allrandrepeat",
2060 .lname = "All Random Repeat",
2061 .type = FIO_OPT_BOOL,
2062 .off1 = td_var_offset(allrand_repeatable),
2063 .help = "Use repeatable random numbers for everything",
2064 .def = "0",
2065 .category = FIO_OPT_C_IO,
2066 .group = FIO_OPT_G_RANDOM,
2067 },
2068 {
2069 .name = "nrfiles",
2070 .lname = "Number of files",
2071 .alias = "nr_files",
2072 .type = FIO_OPT_INT,
2073 .off1 = td_var_offset(nr_files),
2074 .help = "Split job workload between this number of files",
2075 .def = "1",
2076 .interval = 1,
2077 .category = FIO_OPT_C_FILE,
2078 .group = FIO_OPT_G_INVALID,
2079 },
2080 {
2081 .name = "openfiles",
2082 .lname = "Number of open files",
2083 .type = FIO_OPT_INT,
2084 .off1 = td_var_offset(open_files),
2085 .help = "Number of files to keep open at the same time",
2086 .category = FIO_OPT_C_FILE,
2087 .group = FIO_OPT_G_INVALID,
2088 },
2089 {
2090 .name = "file_service_type",
2091 .lname = "File service type",
2092 .type = FIO_OPT_STR,
2093 .cb = str_fst_cb,
2094 .off1 = td_var_offset(file_service_type),
2095 .help = "How to select which file to service next",
2096 .def = "roundrobin",
2097 .category = FIO_OPT_C_FILE,
2098 .group = FIO_OPT_G_INVALID,
2099 .posval = {
2100 { .ival = "random",
2101 .oval = FIO_FSERVICE_RANDOM,
2102 .help = "Choose a file at random (uniform)",
2103 },
2104 { .ival = "zipf",
2105 .oval = FIO_FSERVICE_ZIPF,
2106 .help = "Zipf randomized",
2107 },
2108 { .ival = "pareto",
2109 .oval = FIO_FSERVICE_PARETO,
2110 .help = "Pareto randomized",
2111 },
2112 { .ival = "gauss",
2113 .oval = FIO_FSERVICE_GAUSS,
2114 .help = "Normal (guassian) distribution",
2115 },
2116 { .ival = "roundrobin",
2117 .oval = FIO_FSERVICE_RR,
2118 .help = "Round robin select files",
2119 },
2120 { .ival = "sequential",
2121 .oval = FIO_FSERVICE_SEQ,
2122 .help = "Finish one file before moving to the next",
2123 },
2124 },
2125 .parent = "nrfiles",
2126 .hide = 1,
2127 },
2128#ifdef CONFIG_POSIX_FALLOCATE
2129 {
2130 .name = "fallocate",
2131 .lname = "Fallocate",
2132 .type = FIO_OPT_STR,
2133 .off1 = td_var_offset(fallocate_mode),
2134 .help = "Whether pre-allocation is performed when laying out files",
2135 .def = "posix",
2136 .category = FIO_OPT_C_FILE,
2137 .group = FIO_OPT_G_INVALID,
2138 .posval = {
2139 { .ival = "none",
2140 .oval = FIO_FALLOCATE_NONE,
2141 .help = "Do not pre-allocate space",
2142 },
2143 { .ival = "posix",
2144 .oval = FIO_FALLOCATE_POSIX,
2145 .help = "Use posix_fallocate()",
2146 },
2147#ifdef CONFIG_LINUX_FALLOCATE
2148 { .ival = "keep",
2149 .oval = FIO_FALLOCATE_KEEP_SIZE,
2150 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2151 },
2152#endif
2153 /* Compatibility with former boolean values */
2154 { .ival = "0",
2155 .oval = FIO_FALLOCATE_NONE,
2156 .help = "Alias for 'none'",
2157 },
2158 { .ival = "1",
2159 .oval = FIO_FALLOCATE_POSIX,
2160 .help = "Alias for 'posix'",
2161 },
2162 },
2163 },
2164#else /* CONFIG_POSIX_FALLOCATE */
2165 {
2166 .name = "fallocate",
2167 .lname = "Fallocate",
2168 .type = FIO_OPT_UNSUPPORTED,
2169 .help = "Your platform does not support fallocate",
2170 },
2171#endif /* CONFIG_POSIX_FALLOCATE */
2172 {
2173 .name = "fadvise_hint",
2174 .lname = "Fadvise hint",
2175 .type = FIO_OPT_BOOL,
2176 .off1 = td_var_offset(fadvise_hint),
2177 .help = "Use fadvise() to advise the kernel on IO pattern",
2178 .def = "1",
2179 .category = FIO_OPT_C_FILE,
2180 .group = FIO_OPT_G_INVALID,
2181 },
2182#ifdef FIO_HAVE_STREAMID
2183 {
2184 .name = "fadvise_stream",
2185 .lname = "Fadvise stream",
2186 .type = FIO_OPT_INT,
2187 .off1 = td_var_offset(fadvise_stream),
2188 .help = "Use fadvise() to set stream ID",
2189 .category = FIO_OPT_C_FILE,
2190 .group = FIO_OPT_G_INVALID,
2191 },
2192#else
2193 {
2194 .name = "fadvise_stream",
2195 .lname = "Fadvise stream",
2196 .type = FIO_OPT_UNSUPPORTED,
2197 .help = "Your platform does not support fadvise stream ID",
2198 },
2199#endif
2200 {
2201 .name = "fsync",
2202 .lname = "Fsync",
2203 .type = FIO_OPT_INT,
2204 .off1 = td_var_offset(fsync_blocks),
2205 .help = "Issue fsync for writes every given number of blocks",
2206 .def = "0",
2207 .interval = 1,
2208 .category = FIO_OPT_C_FILE,
2209 .group = FIO_OPT_G_INVALID,
2210 },
2211 {
2212 .name = "fdatasync",
2213 .lname = "Fdatasync",
2214 .type = FIO_OPT_INT,
2215 .off1 = td_var_offset(fdatasync_blocks),
2216 .help = "Issue fdatasync for writes every given number of blocks",
2217 .def = "0",
2218 .interval = 1,
2219 .category = FIO_OPT_C_FILE,
2220 .group = FIO_OPT_G_INVALID,
2221 },
2222 {
2223 .name = "write_barrier",
2224 .lname = "Write barrier",
2225 .type = FIO_OPT_INT,
2226 .off1 = td_var_offset(barrier_blocks),
2227 .help = "Make every Nth write a barrier write",
2228 .def = "0",
2229 .interval = 1,
2230 .category = FIO_OPT_C_IO,
2231 .group = FIO_OPT_G_INVALID,
2232 },
2233#ifdef CONFIG_SYNC_FILE_RANGE
2234 {
2235 .name = "sync_file_range",
2236 .lname = "Sync file range",
2237 .posval = {
2238 { .ival = "wait_before",
2239 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2240 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
2241 .orval = 1,
2242 },
2243 { .ival = "write",
2244 .oval = SYNC_FILE_RANGE_WRITE,
2245 .help = "SYNC_FILE_RANGE_WRITE",
2246 .orval = 1,
2247 },
2248 {
2249 .ival = "wait_after",
2250 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2251 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
2252 .orval = 1,
2253 },
2254 },
2255 .type = FIO_OPT_STR_MULTI,
2256 .cb = str_sfr_cb,
2257 .off1 = td_var_offset(sync_file_range),
2258 .help = "Use sync_file_range()",
2259 .category = FIO_OPT_C_FILE,
2260 .group = FIO_OPT_G_INVALID,
2261 },
2262#else
2263 {
2264 .name = "sync_file_range",
2265 .lname = "Sync file range",
2266 .type = FIO_OPT_UNSUPPORTED,
2267 .help = "Your platform does not support sync_file_range",
2268 },
2269#endif
2270 {
2271 .name = "direct",
2272 .lname = "Direct I/O",
2273 .type = FIO_OPT_BOOL,
2274 .off1 = td_var_offset(odirect),
2275 .help = "Use O_DIRECT IO (negates buffered)",
2276 .def = "0",
2277 .inverse = "buffered",
2278 .category = FIO_OPT_C_IO,
2279 .group = FIO_OPT_G_IO_TYPE,
2280 },
2281 {
2282 .name = "atomic",
2283 .lname = "Atomic I/O",
2284 .type = FIO_OPT_BOOL,
2285 .off1 = td_var_offset(oatomic),
2286 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2287 .def = "0",
2288 .category = FIO_OPT_C_IO,
2289 .group = FIO_OPT_G_IO_TYPE,
2290 },
2291 {
2292 .name = "buffered",
2293 .lname = "Buffered I/O",
2294 .type = FIO_OPT_BOOL,
2295 .off1 = td_var_offset(odirect),
2296 .neg = 1,
2297 .help = "Use buffered IO (negates direct)",
2298 .def = "1",
2299 .inverse = "direct",
2300 .category = FIO_OPT_C_IO,
2301 .group = FIO_OPT_G_IO_TYPE,
2302 },
2303 {
2304 .name = "overwrite",
2305 .lname = "Overwrite",
2306 .type = FIO_OPT_BOOL,
2307 .off1 = td_var_offset(overwrite),
2308 .help = "When writing, set whether to overwrite current data",
2309 .def = "0",
2310 .category = FIO_OPT_C_FILE,
2311 .group = FIO_OPT_G_INVALID,
2312 },
2313 {
2314 .name = "loops",
2315 .lname = "Loops",
2316 .type = FIO_OPT_INT,
2317 .off1 = td_var_offset(loops),
2318 .help = "Number of times to run the job",
2319 .def = "1",
2320 .interval = 1,
2321 .category = FIO_OPT_C_GENERAL,
2322 .group = FIO_OPT_G_RUNTIME,
2323 },
2324 {
2325 .name = "numjobs",
2326 .lname = "Number of jobs",
2327 .type = FIO_OPT_INT,
2328 .off1 = td_var_offset(numjobs),
2329 .help = "Duplicate this job this many times",
2330 .def = "1",
2331 .interval = 1,
2332 .category = FIO_OPT_C_GENERAL,
2333 .group = FIO_OPT_G_RUNTIME,
2334 },
2335 {
2336 .name = "startdelay",
2337 .lname = "Start delay",
2338 .type = FIO_OPT_STR_VAL_TIME,
2339 .off1 = td_var_offset(start_delay),
2340 .off2 = td_var_offset(start_delay_high),
2341 .help = "Only start job when this period has passed",
2342 .def = "0",
2343 .is_seconds = 1,
2344 .is_time = 1,
2345 .category = FIO_OPT_C_GENERAL,
2346 .group = FIO_OPT_G_RUNTIME,
2347 },
2348 {
2349 .name = "runtime",
2350 .lname = "Runtime",
2351 .alias = "timeout",
2352 .type = FIO_OPT_STR_VAL_TIME,
2353 .off1 = td_var_offset(timeout),
2354 .help = "Stop workload when this amount of time has passed",
2355 .def = "0",
2356 .is_seconds = 1,
2357 .is_time = 1,
2358 .category = FIO_OPT_C_GENERAL,
2359 .group = FIO_OPT_G_RUNTIME,
2360 },
2361 {
2362 .name = "time_based",
2363 .lname = "Time based",
2364 .type = FIO_OPT_STR_SET,
2365 .off1 = td_var_offset(time_based),
2366 .help = "Keep running until runtime/timeout is met",
2367 .category = FIO_OPT_C_GENERAL,
2368 .group = FIO_OPT_G_RUNTIME,
2369 },
2370 {
2371 .name = "verify_only",
2372 .lname = "Verify only",
2373 .type = FIO_OPT_STR_SET,
2374 .off1 = td_var_offset(verify_only),
2375 .help = "Verifies previously written data is still valid",
2376 .category = FIO_OPT_C_GENERAL,
2377 .group = FIO_OPT_G_RUNTIME,
2378 },
2379 {
2380 .name = "ramp_time",
2381 .lname = "Ramp time",
2382 .type = FIO_OPT_STR_VAL_TIME,
2383 .off1 = td_var_offset(ramp_time),
2384 .help = "Ramp up time before measuring performance",
2385 .is_seconds = 1,
2386 .is_time = 1,
2387 .category = FIO_OPT_C_GENERAL,
2388 .group = FIO_OPT_G_RUNTIME,
2389 },
2390 {
2391 .name = "clocksource",
2392 .lname = "Clock source",
2393 .type = FIO_OPT_STR,
2394 .cb = fio_clock_source_cb,
2395 .off1 = td_var_offset(clocksource),
2396 .help = "What type of timing source to use",
2397 .category = FIO_OPT_C_GENERAL,
2398 .group = FIO_OPT_G_CLOCK,
2399 .posval = {
2400#ifdef CONFIG_GETTIMEOFDAY
2401 { .ival = "gettimeofday",
2402 .oval = CS_GTOD,
2403 .help = "Use gettimeofday(2) for timing",
2404 },
2405#endif
2406#ifdef CONFIG_CLOCK_GETTIME
2407 { .ival = "clock_gettime",
2408 .oval = CS_CGETTIME,
2409 .help = "Use clock_gettime(2) for timing",
2410 },
2411#endif
2412#ifdef ARCH_HAVE_CPU_CLOCK
2413 { .ival = "cpu",
2414 .oval = CS_CPUCLOCK,
2415 .help = "Use CPU private clock",
2416 },
2417#endif
2418 },
2419 },
2420 {
2421 .name = "mem",
2422 .alias = "iomem",
2423 .lname = "I/O Memory",
2424 .type = FIO_OPT_STR,
2425 .cb = str_mem_cb,
2426 .off1 = td_var_offset(mem_type),
2427 .help = "Backing type for IO buffers",
2428 .def = "malloc",
2429 .category = FIO_OPT_C_IO,
2430 .group = FIO_OPT_G_INVALID,
2431 .posval = {
2432 { .ival = "malloc",
2433 .oval = MEM_MALLOC,
2434 .help = "Use malloc(3) for IO buffers",
2435 },
2436#ifndef CONFIG_NO_SHM
2437 { .ival = "shm",
2438 .oval = MEM_SHM,
2439 .help = "Use shared memory segments for IO buffers",
2440 },
2441#ifdef FIO_HAVE_HUGETLB
2442 { .ival = "shmhuge",
2443 .oval = MEM_SHMHUGE,
2444 .help = "Like shm, but use huge pages",
2445 },
2446#endif
2447#endif
2448 { .ival = "mmap",
2449 .oval = MEM_MMAP,
2450 .help = "Use mmap(2) (file or anon) for IO buffers",
2451 },
2452 { .ival = "mmapshared",
2453 .oval = MEM_MMAPSHARED,
2454 .help = "Like mmap, but use the shared flag",
2455 },
2456#ifdef FIO_HAVE_HUGETLB
2457 { .ival = "mmaphuge",
2458 .oval = MEM_MMAPHUGE,
2459 .help = "Like mmap, but use huge pages",
2460 },
2461#endif
2462 },
2463 },
2464 {
2465 .name = "iomem_align",
2466 .alias = "mem_align",
2467 .lname = "I/O memory alignment",
2468 .type = FIO_OPT_INT,
2469 .off1 = td_var_offset(mem_align),
2470 .minval = 0,
2471 .help = "IO memory buffer offset alignment",
2472 .def = "0",
2473 .parent = "iomem",
2474 .hide = 1,
2475 .category = FIO_OPT_C_IO,
2476 .group = FIO_OPT_G_INVALID,
2477 },
2478 {
2479 .name = "verify",
2480 .lname = "Verify",
2481 .type = FIO_OPT_STR,
2482 .off1 = td_var_offset(verify),
2483 .help = "Verify data written",
2484 .def = "0",
2485 .category = FIO_OPT_C_IO,
2486 .group = FIO_OPT_G_VERIFY,
2487 .posval = {
2488 { .ival = "0",
2489 .oval = VERIFY_NONE,
2490 .help = "Don't do IO verification",
2491 },
2492 { .ival = "md5",
2493 .oval = VERIFY_MD5,
2494 .help = "Use md5 checksums for verification",
2495 },
2496 { .ival = "crc64",
2497 .oval = VERIFY_CRC64,
2498 .help = "Use crc64 checksums for verification",
2499 },
2500 { .ival = "crc32",
2501 .oval = VERIFY_CRC32,
2502 .help = "Use crc32 checksums for verification",
2503 },
2504 { .ival = "crc32c-intel",
2505 .oval = VERIFY_CRC32C,
2506 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2507 },
2508 { .ival = "crc32c",
2509 .oval = VERIFY_CRC32C,
2510 .help = "Use crc32c checksums for verification (hw assisted, if available)",
2511 },
2512 { .ival = "crc16",
2513 .oval = VERIFY_CRC16,
2514 .help = "Use crc16 checksums for verification",
2515 },
2516 { .ival = "crc7",
2517 .oval = VERIFY_CRC7,
2518 .help = "Use crc7 checksums for verification",
2519 },
2520 { .ival = "sha1",
2521 .oval = VERIFY_SHA1,
2522 .help = "Use sha1 checksums for verification",
2523 },
2524 { .ival = "sha256",
2525 .oval = VERIFY_SHA256,
2526 .help = "Use sha256 checksums for verification",
2527 },
2528 { .ival = "sha512",
2529 .oval = VERIFY_SHA512,
2530 .help = "Use sha512 checksums for verification",
2531 },
2532 { .ival = "xxhash",
2533 .oval = VERIFY_XXHASH,
2534 .help = "Use xxhash checksums for verification",
2535 },
2536 /* Meta information was included into verify_header,
2537 * 'meta' verification is implied by default. */
2538 { .ival = "meta",
2539 .oval = VERIFY_HDR_ONLY,
2540 .help = "Use io information for verification. "
2541 "Now is implied by default, thus option is obsolete, "
2542 "don't use it",
2543 },
2544 { .ival = "pattern",
2545 .oval = VERIFY_PATTERN_NO_HDR,
2546 .help = "Verify strict pattern",
2547 },
2548 {
2549 .ival = "null",
2550 .oval = VERIFY_NULL,
2551 .help = "Pretend to verify",
2552 },
2553 },
2554 },
2555 {
2556 .name = "do_verify",
2557 .lname = "Perform verify step",
2558 .type = FIO_OPT_BOOL,
2559 .off1 = td_var_offset(do_verify),
2560 .help = "Run verification stage after write",
2561 .def = "1",
2562 .parent = "verify",
2563 .hide = 1,
2564 .category = FIO_OPT_C_IO,
2565 .group = FIO_OPT_G_VERIFY,
2566 },
2567 {
2568 .name = "verifysort",
2569 .lname = "Verify sort",
2570 .type = FIO_OPT_BOOL,
2571 .off1 = td_var_offset(verifysort),
2572 .help = "Sort written verify blocks for read back",
2573 .def = "1",
2574 .parent = "verify",
2575 .hide = 1,
2576 .category = FIO_OPT_C_IO,
2577 .group = FIO_OPT_G_VERIFY,
2578 },
2579 {
2580 .name = "verifysort_nr",
2581 .lname = "Verify Sort Nr",
2582 .type = FIO_OPT_INT,
2583 .off1 = td_var_offset(verifysort_nr),
2584 .help = "Pre-load and sort verify blocks for a read workload",
2585 .minval = 0,
2586 .maxval = 131072,
2587 .def = "1024",
2588 .parent = "verify",
2589 .category = FIO_OPT_C_IO,
2590 .group = FIO_OPT_G_VERIFY,
2591 },
2592 {
2593 .name = "verify_interval",
2594 .lname = "Verify interval",
2595 .type = FIO_OPT_INT,
2596 .off1 = td_var_offset(verify_interval),
2597 .minval = 2 * sizeof(struct verify_header),
2598 .help = "Store verify buffer header every N bytes",
2599 .parent = "verify",
2600 .hide = 1,
2601 .interval = 2 * sizeof(struct verify_header),
2602 .category = FIO_OPT_C_IO,
2603 .group = FIO_OPT_G_VERIFY,
2604 },
2605 {
2606 .name = "verify_offset",
2607 .lname = "Verify offset",
2608 .type = FIO_OPT_INT,
2609 .help = "Offset verify header location by N bytes",
2610 .off1 = td_var_offset(verify_offset),
2611 .minval = sizeof(struct verify_header),
2612 .parent = "verify",
2613 .hide = 1,
2614 .category = FIO_OPT_C_IO,
2615 .group = FIO_OPT_G_VERIFY,
2616 },
2617 {
2618 .name = "verify_pattern",
2619 .lname = "Verify pattern",
2620 .type = FIO_OPT_STR,
2621 .cb = str_verify_pattern_cb,
2622 .off1 = td_var_offset(verify_pattern),
2623 .help = "Fill pattern for IO buffers",
2624 .parent = "verify",
2625 .hide = 1,
2626 .category = FIO_OPT_C_IO,
2627 .group = FIO_OPT_G_VERIFY,
2628 },
2629 {
2630 .name = "verify_fatal",
2631 .lname = "Verify fatal",
2632 .type = FIO_OPT_BOOL,
2633 .off1 = td_var_offset(verify_fatal),
2634 .def = "0",
2635 .help = "Exit on a single verify failure, don't continue",
2636 .parent = "verify",
2637 .hide = 1,
2638 .category = FIO_OPT_C_IO,
2639 .group = FIO_OPT_G_VERIFY,
2640 },
2641 {
2642 .name = "verify_dump",
2643 .lname = "Verify dump",
2644 .type = FIO_OPT_BOOL,
2645 .off1 = td_var_offset(verify_dump),
2646 .def = "0",
2647 .help = "Dump contents of good and bad blocks on failure",
2648 .parent = "verify",
2649 .hide = 1,
2650 .category = FIO_OPT_C_IO,
2651 .group = FIO_OPT_G_VERIFY,
2652 },
2653 {
2654 .name = "verify_async",
2655 .lname = "Verify asynchronously",
2656 .type = FIO_OPT_INT,
2657 .off1 = td_var_offset(verify_async),
2658 .def = "0",
2659 .help = "Number of async verifier threads to use",
2660 .parent = "verify",
2661 .hide = 1,
2662 .category = FIO_OPT_C_IO,
2663 .group = FIO_OPT_G_VERIFY,
2664 },
2665 {
2666 .name = "verify_backlog",
2667 .lname = "Verify backlog",
2668 .type = FIO_OPT_STR_VAL,
2669 .off1 = td_var_offset(verify_backlog),
2670 .help = "Verify after this number of blocks are written",
2671 .parent = "verify",
2672 .hide = 1,
2673 .category = FIO_OPT_C_IO,
2674 .group = FIO_OPT_G_VERIFY,
2675 },
2676 {
2677 .name = "verify_backlog_batch",
2678 .lname = "Verify backlog batch",
2679 .type = FIO_OPT_INT,
2680 .off1 = td_var_offset(verify_batch),
2681 .help = "Verify this number of IO blocks",
2682 .parent = "verify",
2683 .hide = 1,
2684 .category = FIO_OPT_C_IO,
2685 .group = FIO_OPT_G_VERIFY,
2686 },
2687#ifdef FIO_HAVE_CPU_AFFINITY
2688 {
2689 .name = "verify_async_cpus",
2690 .lname = "Async verify CPUs",
2691 .type = FIO_OPT_STR,
2692 .cb = str_verify_cpus_allowed_cb,
2693 .off1 = td_var_offset(verify_cpumask),
2694 .help = "Set CPUs allowed for async verify threads",
2695 .parent = "verify_async",
2696 .hide = 1,
2697 .category = FIO_OPT_C_IO,
2698 .group = FIO_OPT_G_VERIFY,
2699 },
2700#else
2701 {
2702 .name = "verify_async_cpus",
2703 .lname = "Async verify CPUs",
2704 .type = FIO_OPT_UNSUPPORTED,
2705 .help = "Your platform does not support CPU affinities",
2706 },
2707#endif
2708 {
2709 .name = "experimental_verify",
2710 .lname = "Experimental Verify",
2711 .off1 = td_var_offset(experimental_verify),
2712 .type = FIO_OPT_BOOL,
2713 .help = "Enable experimental verification",
2714 .parent = "verify",
2715 .category = FIO_OPT_C_IO,
2716 .group = FIO_OPT_G_VERIFY,
2717 },
2718 {
2719 .name = "verify_state_load",
2720 .lname = "Load verify state",
2721 .off1 = td_var_offset(verify_state),
2722 .type = FIO_OPT_BOOL,
2723 .help = "Load verify termination state",
2724 .parent = "verify",
2725 .category = FIO_OPT_C_IO,
2726 .group = FIO_OPT_G_VERIFY,
2727 },
2728 {
2729 .name = "verify_state_save",
2730 .lname = "Save verify state",
2731 .off1 = td_var_offset(verify_state_save),
2732 .type = FIO_OPT_BOOL,
2733 .def = "1",
2734 .help = "Save verify state on termination",
2735 .parent = "verify",
2736 .category = FIO_OPT_C_IO,
2737 .group = FIO_OPT_G_VERIFY,
2738 },
2739#ifdef FIO_HAVE_TRIM
2740 {
2741 .name = "trim_percentage",
2742 .lname = "Trim percentage",
2743 .type = FIO_OPT_INT,
2744 .off1 = td_var_offset(trim_percentage),
2745 .minval = 0,
2746 .maxval = 100,
2747 .help = "Number of verify blocks to discard/trim",
2748 .parent = "verify",
2749 .def = "0",
2750 .interval = 1,
2751 .hide = 1,
2752 .category = FIO_OPT_C_IO,
2753 .group = FIO_OPT_G_TRIM,
2754 },
2755 {
2756 .name = "trim_verify_zero",
2757 .lname = "Verify trim zero",
2758 .type = FIO_OPT_BOOL,
2759 .help = "Verify that trim/discarded blocks are returned as zeroes",
2760 .off1 = td_var_offset(trim_zero),
2761 .parent = "trim_percentage",
2762 .hide = 1,
2763 .def = "1",
2764 .category = FIO_OPT_C_IO,
2765 .group = FIO_OPT_G_TRIM,
2766 },
2767 {
2768 .name = "trim_backlog",
2769 .lname = "Trim backlog",
2770 .type = FIO_OPT_STR_VAL,
2771 .off1 = td_var_offset(trim_backlog),
2772 .help = "Trim after this number of blocks are written",
2773 .parent = "trim_percentage",
2774 .hide = 1,
2775 .interval = 1,
2776 .category = FIO_OPT_C_IO,
2777 .group = FIO_OPT_G_TRIM,
2778 },
2779 {
2780 .name = "trim_backlog_batch",
2781 .lname = "Trim backlog batch",
2782 .type = FIO_OPT_INT,
2783 .off1 = td_var_offset(trim_batch),
2784 .help = "Trim this number of IO blocks",
2785 .parent = "trim_percentage",
2786 .hide = 1,
2787 .interval = 1,
2788 .category = FIO_OPT_C_IO,
2789 .group = FIO_OPT_G_TRIM,
2790 },
2791#else
2792 {
2793 .name = "trim_percentage",
2794 .lname = "Trim percentage",
2795 .type = FIO_OPT_UNSUPPORTED,
2796 .help = "Fio does not support TRIM on your platform",
2797 },
2798 {
2799 .name = "trim_verify_zero",
2800 .lname = "Verify trim zero",
2801 .type = FIO_OPT_UNSUPPORTED,
2802 .help = "Fio does not support TRIM on your platform",
2803 },
2804 {
2805 .name = "trim_backlog",
2806 .lname = "Trim backlog",
2807 .type = FIO_OPT_UNSUPPORTED,
2808 .help = "Fio does not support TRIM on your platform",
2809 },
2810 {
2811 .name = "trim_backlog_batch",
2812 .lname = "Trim backlog batch",
2813 .type = FIO_OPT_UNSUPPORTED,
2814 .help = "Fio does not support TRIM on your platform",
2815 },
2816#endif
2817 {
2818 .name = "write_iolog",
2819 .lname = "Write I/O log",
2820 .type = FIO_OPT_STR_STORE,
2821 .off1 = td_var_offset(write_iolog_file),
2822 .help = "Store IO pattern to file",
2823 .category = FIO_OPT_C_IO,
2824 .group = FIO_OPT_G_IOLOG,
2825 },
2826 {
2827 .name = "read_iolog",
2828 .lname = "Read I/O log",
2829 .type = FIO_OPT_STR_STORE,
2830 .off1 = td_var_offset(read_iolog_file),
2831 .help = "Playback IO pattern from file",
2832 .category = FIO_OPT_C_IO,
2833 .group = FIO_OPT_G_IOLOG,
2834 },
2835 {
2836 .name = "replay_no_stall",
2837 .lname = "Don't stall on replay",
2838 .type = FIO_OPT_BOOL,
2839 .off1 = td_var_offset(no_stall),
2840 .def = "0",
2841 .parent = "read_iolog",
2842 .hide = 1,
2843 .help = "Playback IO pattern file as fast as possible without stalls",
2844 .category = FIO_OPT_C_IO,
2845 .group = FIO_OPT_G_IOLOG,
2846 },
2847 {
2848 .name = "replay_redirect",
2849 .lname = "Redirect device for replay",
2850 .type = FIO_OPT_STR_STORE,
2851 .off1 = td_var_offset(replay_redirect),
2852 .parent = "read_iolog",
2853 .hide = 1,
2854 .help = "Replay all I/O onto this device, regardless of trace device",
2855 .category = FIO_OPT_C_IO,
2856 .group = FIO_OPT_G_IOLOG,
2857 },
2858 {
2859 .name = "replay_scale",
2860 .lname = "Replace offset scale factor",
2861 .type = FIO_OPT_INT,
2862 .off1 = td_var_offset(replay_scale),
2863 .parent = "read_iolog",
2864 .def = "1",
2865 .help = "Align offsets to this blocksize",
2866 .category = FIO_OPT_C_IO,
2867 .group = FIO_OPT_G_IOLOG,
2868 },
2869 {
2870 .name = "replay_align",
2871 .lname = "Replace alignment",
2872 .type = FIO_OPT_INT,
2873 .off1 = td_var_offset(replay_align),
2874 .parent = "read_iolog",
2875 .help = "Scale offset down by this factor",
2876 .category = FIO_OPT_C_IO,
2877 .group = FIO_OPT_G_IOLOG,
2878 .pow2 = 1,
2879 },
2880 {
2881 .name = "exec_prerun",
2882 .lname = "Pre-execute runnable",
2883 .type = FIO_OPT_STR_STORE,
2884 .off1 = td_var_offset(exec_prerun),
2885 .help = "Execute this file prior to running job",
2886 .category = FIO_OPT_C_GENERAL,
2887 .group = FIO_OPT_G_INVALID,
2888 },
2889 {
2890 .name = "exec_postrun",
2891 .lname = "Post-execute runnable",
2892 .type = FIO_OPT_STR_STORE,
2893 .off1 = td_var_offset(exec_postrun),
2894 .help = "Execute this file after running job",
2895 .category = FIO_OPT_C_GENERAL,
2896 .group = FIO_OPT_G_INVALID,
2897 },
2898#ifdef FIO_HAVE_IOSCHED_SWITCH
2899 {
2900 .name = "ioscheduler",
2901 .lname = "I/O scheduler",
2902 .type = FIO_OPT_STR_STORE,
2903 .off1 = td_var_offset(ioscheduler),
2904 .help = "Use this IO scheduler on the backing device",
2905 .category = FIO_OPT_C_FILE,
2906 .group = FIO_OPT_G_INVALID,
2907 },
2908#else
2909 {
2910 .name = "ioscheduler",
2911 .lname = "I/O scheduler",
2912 .type = FIO_OPT_UNSUPPORTED,
2913 .help = "Your platform does not support IO scheduler switching",
2914 },
2915#endif
2916 {
2917 .name = "zonesize",
2918 .lname = "Zone size",
2919 .type = FIO_OPT_STR_VAL,
2920 .off1 = td_var_offset(zone_size),
2921 .help = "Amount of data to read per zone",
2922 .def = "0",
2923 .interval = 1024 * 1024,
2924 .category = FIO_OPT_C_IO,
2925 .group = FIO_OPT_G_ZONE,
2926 },
2927 {
2928 .name = "zonerange",
2929 .lname = "Zone range",
2930 .type = FIO_OPT_STR_VAL,
2931 .off1 = td_var_offset(zone_range),
2932 .help = "Give size of an IO zone",
2933 .def = "0",
2934 .interval = 1024 * 1024,
2935 .category = FIO_OPT_C_IO,
2936 .group = FIO_OPT_G_ZONE,
2937 },
2938 {
2939 .name = "zoneskip",
2940 .lname = "Zone skip",
2941 .type = FIO_OPT_STR_VAL,
2942 .off1 = td_var_offset(zone_skip),
2943 .help = "Space between IO zones",
2944 .def = "0",
2945 .interval = 1024 * 1024,
2946 .category = FIO_OPT_C_IO,
2947 .group = FIO_OPT_G_ZONE,
2948 },
2949 {
2950 .name = "lockmem",
2951 .lname = "Lock memory",
2952 .type = FIO_OPT_STR_VAL,
2953 .off1 = td_var_offset(lockmem),
2954 .help = "Lock down this amount of memory (per worker)",
2955 .def = "0",
2956 .interval = 1024 * 1024,
2957 .category = FIO_OPT_C_GENERAL,
2958 .group = FIO_OPT_G_INVALID,
2959 },
2960 {
2961 .name = "rwmixread",
2962 .lname = "Read/write mix read",
2963 .type = FIO_OPT_INT,
2964 .cb = str_rwmix_read_cb,
2965 .off1 = td_var_offset(rwmix[DDIR_READ]),
2966 .maxval = 100,
2967 .help = "Percentage of mixed workload that is reads",
2968 .def = "50",
2969 .interval = 5,
2970 .inverse = "rwmixwrite",
2971 .category = FIO_OPT_C_IO,
2972 .group = FIO_OPT_G_RWMIX,
2973 },
2974 {
2975 .name = "rwmixwrite",
2976 .lname = "Read/write mix write",
2977 .type = FIO_OPT_INT,
2978 .cb = str_rwmix_write_cb,
2979 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
2980 .maxval = 100,
2981 .help = "Percentage of mixed workload that is writes",
2982 .def = "50",
2983 .interval = 5,
2984 .inverse = "rwmixread",
2985 .category = FIO_OPT_C_IO,
2986 .group = FIO_OPT_G_RWMIX,
2987 },
2988 {
2989 .name = "rwmixcycle",
2990 .lname = "Read/write mix cycle",
2991 .type = FIO_OPT_DEPRECATED,
2992 .category = FIO_OPT_C_IO,
2993 .group = FIO_OPT_G_RWMIX,
2994 },
2995 {
2996 .name = "nice",
2997 .lname = "Nice",
2998 .type = FIO_OPT_INT,
2999 .off1 = td_var_offset(nice),
3000 .help = "Set job CPU nice value",
3001 .minval = -19,
3002 .maxval = 20,
3003 .def = "0",
3004 .interval = 1,
3005 .category = FIO_OPT_C_GENERAL,
3006 .group = FIO_OPT_G_CRED,
3007 },
3008#ifdef FIO_HAVE_IOPRIO
3009 {
3010 .name = "prio",
3011 .lname = "I/O nice priority",
3012 .type = FIO_OPT_INT,
3013 .off1 = td_var_offset(ioprio),
3014 .help = "Set job IO priority value",
3015 .minval = IOPRIO_MIN_PRIO,
3016 .maxval = IOPRIO_MAX_PRIO,
3017 .interval = 1,
3018 .category = FIO_OPT_C_GENERAL,
3019 .group = FIO_OPT_G_CRED,
3020 },
3021#else
3022 {
3023 .name = "prio",
3024 .lname = "I/O nice priority",
3025 .type = FIO_OPT_UNSUPPORTED,
3026 .help = "Your platform does not support IO priorities",
3027 },
3028#endif
3029#ifdef FIO_HAVE_IOPRIO_CLASS
3030#ifndef FIO_HAVE_IOPRIO
3031#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3032#endif
3033 {
3034 .name = "prioclass",
3035 .lname = "I/O nice priority class",
3036 .type = FIO_OPT_INT,
3037 .off1 = td_var_offset(ioprio_class),
3038 .help = "Set job IO priority class",
3039 .minval = IOPRIO_MIN_PRIO_CLASS,
3040 .maxval = IOPRIO_MAX_PRIO_CLASS,
3041 .interval = 1,
3042 .category = FIO_OPT_C_GENERAL,
3043 .group = FIO_OPT_G_CRED,
3044 },
3045#else
3046 {
3047 .name = "prioclass",
3048 .lname = "I/O nice priority class",
3049 .type = FIO_OPT_UNSUPPORTED,
3050 .help = "Your platform does not support IO priority classes",
3051 },
3052#endif
3053 {
3054 .name = "thinktime",
3055 .lname = "Thinktime",
3056 .type = FIO_OPT_INT,
3057 .off1 = td_var_offset(thinktime),
3058 .help = "Idle time between IO buffers (usec)",
3059 .def = "0",
3060 .is_time = 1,
3061 .category = FIO_OPT_C_IO,
3062 .group = FIO_OPT_G_THINKTIME,
3063 },
3064 {
3065 .name = "thinktime_spin",
3066 .lname = "Thinktime spin",
3067 .type = FIO_OPT_INT,
3068 .off1 = td_var_offset(thinktime_spin),
3069 .help = "Start think time by spinning this amount (usec)",
3070 .def = "0",
3071 .is_time = 1,
3072 .parent = "thinktime",
3073 .hide = 1,
3074 .category = FIO_OPT_C_IO,
3075 .group = FIO_OPT_G_THINKTIME,
3076 },
3077 {
3078 .name = "thinktime_blocks",
3079 .lname = "Thinktime blocks",
3080 .type = FIO_OPT_INT,
3081 .off1 = td_var_offset(thinktime_blocks),
3082 .help = "IO buffer period between 'thinktime'",
3083 .def = "1",
3084 .parent = "thinktime",
3085 .hide = 1,
3086 .category = FIO_OPT_C_IO,
3087 .group = FIO_OPT_G_THINKTIME,
3088 },
3089 {
3090 .name = "rate",
3091 .lname = "I/O rate",
3092 .type = FIO_OPT_INT,
3093 .off1 = td_var_offset(rate[DDIR_READ]),
3094 .off2 = td_var_offset(rate[DDIR_WRITE]),
3095 .off3 = td_var_offset(rate[DDIR_TRIM]),
3096 .help = "Set bandwidth rate",
3097 .category = FIO_OPT_C_IO,
3098 .group = FIO_OPT_G_RATE,
3099 },
3100 {
3101 .name = "rate_min",
3102 .alias = "ratemin",
3103 .lname = "I/O min rate",
3104 .type = FIO_OPT_INT,
3105 .off1 = td_var_offset(ratemin[DDIR_READ]),
3106 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
3107 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
3108 .help = "Job must meet this rate or it will be shutdown",
3109 .parent = "rate",
3110 .hide = 1,
3111 .category = FIO_OPT_C_IO,
3112 .group = FIO_OPT_G_RATE,
3113 },
3114 {
3115 .name = "rate_iops",
3116 .lname = "I/O rate IOPS",
3117 .type = FIO_OPT_INT,
3118 .off1 = td_var_offset(rate_iops[DDIR_READ]),
3119 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
3120 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
3121 .help = "Limit IO used to this number of IO operations/sec",
3122 .hide = 1,
3123 .category = FIO_OPT_C_IO,
3124 .group = FIO_OPT_G_RATE,
3125 },
3126 {
3127 .name = "rate_iops_min",
3128 .lname = "I/O min rate IOPS",
3129 .type = FIO_OPT_INT,
3130 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
3131 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
3132 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
3133 .help = "Job must meet this rate or it will be shut down",
3134 .parent = "rate_iops",
3135 .hide = 1,
3136 .category = FIO_OPT_C_IO,
3137 .group = FIO_OPT_G_RATE,
3138 },
3139 {
3140 .name = "rate_process",
3141 .lname = "Rate Process",
3142 .type = FIO_OPT_STR,
3143 .off1 = td_var_offset(rate_process),
3144 .help = "What process controls how rated IO is managed",
3145 .def = "linear",
3146 .category = FIO_OPT_C_IO,
3147 .group = FIO_OPT_G_RATE,
3148 .posval = {
3149 { .ival = "linear",
3150 .oval = RATE_PROCESS_LINEAR,
3151 .help = "Linear rate of IO",
3152 },
3153 {
3154 .ival = "poisson",
3155 .oval = RATE_PROCESS_POISSON,
3156 .help = "Rate follows Poisson process",
3157 },
3158 },
3159 .parent = "rate",
3160 },
3161 {
3162 .name = "rate_cycle",
3163 .alias = "ratecycle",
3164 .lname = "I/O rate cycle",
3165 .type = FIO_OPT_INT,
3166 .off1 = td_var_offset(ratecycle),
3167 .help = "Window average for rate limits (msec)",
3168 .def = "1000",
3169 .parent = "rate",
3170 .hide = 1,
3171 .category = FIO_OPT_C_IO,
3172 .group = FIO_OPT_G_RATE,
3173 },
3174 {
3175 .name = "max_latency",
3176 .lname = "Max Latency",
3177 .type = FIO_OPT_INT,
3178 .off1 = td_var_offset(max_latency),
3179 .help = "Maximum tolerated IO latency (usec)",
3180 .is_time = 1,
3181 .category = FIO_OPT_C_IO,
3182 .group = FIO_OPT_G_LATPROF,
3183 },
3184 {
3185 .name = "latency_target",
3186 .lname = "Latency Target (usec)",
3187 .type = FIO_OPT_STR_VAL_TIME,
3188 .off1 = td_var_offset(latency_target),
3189 .help = "Ramp to max queue depth supporting this latency",
3190 .is_time = 1,
3191 .category = FIO_OPT_C_IO,
3192 .group = FIO_OPT_G_LATPROF,
3193 },
3194 {
3195 .name = "latency_window",
3196 .lname = "Latency Window (usec)",
3197 .type = FIO_OPT_STR_VAL_TIME,
3198 .off1 = td_var_offset(latency_window),
3199 .help = "Time to sustain latency_target",
3200 .is_time = 1,
3201 .category = FIO_OPT_C_IO,
3202 .group = FIO_OPT_G_LATPROF,
3203 },
3204 {
3205 .name = "latency_percentile",
3206 .lname = "Latency Percentile",
3207 .type = FIO_OPT_FLOAT_LIST,
3208 .off1 = td_var_offset(latency_percentile),
3209 .help = "Percentile of IOs must be below latency_target",
3210 .def = "100",
3211 .maxlen = 1,
3212 .minfp = 0.0,
3213 .maxfp = 100.0,
3214 .category = FIO_OPT_C_IO,
3215 .group = FIO_OPT_G_LATPROF,
3216 },
3217 {
3218 .name = "invalidate",
3219 .lname = "Cache invalidate",
3220 .type = FIO_OPT_BOOL,
3221 .off1 = td_var_offset(invalidate_cache),
3222 .help = "Invalidate buffer/page cache prior to running job",
3223 .def = "1",
3224 .category = FIO_OPT_C_IO,
3225 .group = FIO_OPT_G_IO_TYPE,
3226 },
3227 {
3228 .name = "sync",
3229 .lname = "Synchronous I/O",
3230 .type = FIO_OPT_BOOL,
3231 .off1 = td_var_offset(sync_io),
3232 .help = "Use O_SYNC for buffered writes",
3233 .def = "0",
3234 .parent = "buffered",
3235 .hide = 1,
3236 .category = FIO_OPT_C_IO,
3237 .group = FIO_OPT_G_IO_TYPE,
3238 },
3239 {
3240 .name = "create_serialize",
3241 .lname = "Create serialize",
3242 .type = FIO_OPT_BOOL,
3243 .off1 = td_var_offset(create_serialize),
3244 .help = "Serialize creating of job files",
3245 .def = "1",
3246 .category = FIO_OPT_C_FILE,
3247 .group = FIO_OPT_G_INVALID,
3248 },
3249 {
3250 .name = "create_fsync",
3251 .lname = "Create fsync",
3252 .type = FIO_OPT_BOOL,
3253 .off1 = td_var_offset(create_fsync),
3254 .help = "fsync file after creation",
3255 .def = "1",
3256 .category = FIO_OPT_C_FILE,
3257 .group = FIO_OPT_G_INVALID,
3258 },
3259 {
3260 .name = "create_on_open",
3261 .lname = "Create on open",
3262 .type = FIO_OPT_BOOL,
3263 .off1 = td_var_offset(create_on_open),
3264 .help = "Create files when they are opened for IO",
3265 .def = "0",
3266 .category = FIO_OPT_C_FILE,
3267 .group = FIO_OPT_G_INVALID,
3268 },
3269 {
3270 .name = "create_only",
3271 .lname = "Create Only",
3272 .type = FIO_OPT_BOOL,
3273 .off1 = td_var_offset(create_only),
3274 .help = "Only perform file creation phase",
3275 .category = FIO_OPT_C_FILE,
3276 .def = "0",
3277 },
3278 {
3279 .name = "allow_file_create",
3280 .lname = "Allow file create",
3281 .type = FIO_OPT_BOOL,
3282 .off1 = td_var_offset(allow_create),
3283 .help = "Permit fio to create files, if they don't exist",
3284 .def = "1",
3285 .category = FIO_OPT_C_FILE,
3286 .group = FIO_OPT_G_FILENAME,
3287 },
3288 {
3289 .name = "allow_mounted_write",
3290 .lname = "Allow mounted write",
3291 .type = FIO_OPT_BOOL,
3292 .off1 = td_var_offset(allow_mounted_write),
3293 .help = "Allow writes to a mounted partition",
3294 .def = "0",
3295 .category = FIO_OPT_C_FILE,
3296 .group = FIO_OPT_G_FILENAME,
3297 },
3298 {
3299 .name = "pre_read",
3300 .lname = "Pre-read files",
3301 .type = FIO_OPT_BOOL,
3302 .off1 = td_var_offset(pre_read),
3303 .help = "Pre-read files before starting official testing",
3304 .def = "0",
3305 .category = FIO_OPT_C_FILE,
3306 .group = FIO_OPT_G_INVALID,
3307 },
3308#ifdef FIO_HAVE_CPU_AFFINITY
3309 {
3310 .name = "cpumask",
3311 .lname = "CPU mask",
3312 .type = FIO_OPT_INT,
3313 .cb = str_cpumask_cb,
3314 .off1 = td_var_offset(cpumask),
3315 .help = "CPU affinity mask",
3316 .category = FIO_OPT_C_GENERAL,
3317 .group = FIO_OPT_G_CRED,
3318 },
3319 {
3320 .name = "cpus_allowed",
3321 .lname = "CPUs allowed",
3322 .type = FIO_OPT_STR,
3323 .cb = str_cpus_allowed_cb,
3324 .off1 = td_var_offset(cpumask),
3325 .help = "Set CPUs allowed",
3326 .category = FIO_OPT_C_GENERAL,
3327 .group = FIO_OPT_G_CRED,
3328 },
3329 {
3330 .name = "cpus_allowed_policy",
3331 .lname = "CPUs allowed distribution policy",
3332 .type = FIO_OPT_STR,
3333 .off1 = td_var_offset(cpus_allowed_policy),
3334 .help = "Distribution policy for cpus_allowed",
3335 .parent = "cpus_allowed",
3336 .prio = 1,
3337 .posval = {
3338 { .ival = "shared",
3339 .oval = FIO_CPUS_SHARED,
3340 .help = "Mask shared between threads",
3341 },
3342 { .ival = "split",
3343 .oval = FIO_CPUS_SPLIT,
3344 .help = "Mask split between threads",
3345 },
3346 },
3347 .category = FIO_OPT_C_GENERAL,
3348 .group = FIO_OPT_G_CRED,
3349 },
3350#else
3351 {
3352 .name = "cpumask",
3353 .lname = "CPU mask",
3354 .type = FIO_OPT_UNSUPPORTED,
3355 .help = "Your platform does not support CPU affinities",
3356 },
3357 {
3358 .name = "cpus_allowed",
3359 .lname = "CPUs allowed",
3360 .type = FIO_OPT_UNSUPPORTED,
3361 .help = "Your platform does not support CPU affinities",
3362 },
3363 {
3364 .name = "cpus_allowed_policy",
3365 .lname = "CPUs allowed distribution policy",
3366 .type = FIO_OPT_UNSUPPORTED,
3367 .help = "Your platform does not support CPU affinities",
3368 },
3369#endif
3370#ifdef CONFIG_LIBNUMA
3371 {
3372 .name = "numa_cpu_nodes",
3373 .lname = "NUMA CPU Nodes",
3374 .type = FIO_OPT_STR,
3375 .cb = str_numa_cpunodes_cb,
3376 .off1 = td_var_offset(numa_cpunodes),
3377 .help = "NUMA CPU nodes bind",
3378 .category = FIO_OPT_C_GENERAL,
3379 .group = FIO_OPT_G_INVALID,
3380 },
3381 {
3382 .name = "numa_mem_policy",
3383 .lname = "NUMA Memory Policy",
3384 .type = FIO_OPT_STR,
3385 .cb = str_numa_mpol_cb,
3386 .off1 = td_var_offset(numa_memnodes),
3387 .help = "NUMA memory policy setup",
3388 .category = FIO_OPT_C_GENERAL,
3389 .group = FIO_OPT_G_INVALID,
3390 },
3391#else
3392 {
3393 .name = "numa_cpu_nodes",
3394 .lname = "NUMA CPU Nodes",
3395 .type = FIO_OPT_UNSUPPORTED,
3396 .help = "Build fio with libnuma-dev(el) to enable this option",
3397 },
3398 {
3399 .name = "numa_mem_policy",
3400 .lname = "NUMA Memory Policy",
3401 .type = FIO_OPT_UNSUPPORTED,
3402 .help = "Build fio with libnuma-dev(el) to enable this option",
3403 },
3404#endif
3405 {
3406 .name = "end_fsync",
3407 .lname = "End fsync",
3408 .type = FIO_OPT_BOOL,
3409 .off1 = td_var_offset(end_fsync),
3410 .help = "Include fsync at the end of job",
3411 .def = "0",
3412 .category = FIO_OPT_C_FILE,
3413 .group = FIO_OPT_G_INVALID,
3414 },
3415 {
3416 .name = "fsync_on_close",
3417 .lname = "Fsync on close",
3418 .type = FIO_OPT_BOOL,
3419 .off1 = td_var_offset(fsync_on_close),
3420 .help = "fsync files on close",
3421 .def = "0",
3422 .category = FIO_OPT_C_FILE,
3423 .group = FIO_OPT_G_INVALID,
3424 },
3425 {
3426 .name = "unlink",
3427 .lname = "Unlink file",
3428 .type = FIO_OPT_BOOL,
3429 .off1 = td_var_offset(unlink),
3430 .help = "Unlink created files after job has completed",
3431 .def = "0",
3432 .category = FIO_OPT_C_FILE,
3433 .group = FIO_OPT_G_INVALID,
3434 },
3435 {
3436 .name = "exitall",
3437 .lname = "Exit-all on terminate",
3438 .type = FIO_OPT_STR_SET,
3439 .cb = str_exitall_cb,
3440 .help = "Terminate all jobs when one exits",
3441 .category = FIO_OPT_C_GENERAL,
3442 .group = FIO_OPT_G_PROCESS,
3443 },
3444 {
3445 .name = "exitall_on_error",
3446 .lname = "Exit-all on terminate in error",
3447 .type = FIO_OPT_STR_SET,
3448 .off1 = td_var_offset(exitall_error),
3449 .help = "Terminate all jobs when one exits in error",
3450 .category = FIO_OPT_C_GENERAL,
3451 .group = FIO_OPT_G_PROCESS,
3452 },
3453 {
3454 .name = "stonewall",
3455 .lname = "Wait for previous",
3456 .alias = "wait_for_previous",
3457 .type = FIO_OPT_STR_SET,
3458 .off1 = td_var_offset(stonewall),
3459 .help = "Insert a hard barrier between this job and previous",
3460 .category = FIO_OPT_C_GENERAL,
3461 .group = FIO_OPT_G_PROCESS,
3462 },
3463 {
3464 .name = "new_group",
3465 .lname = "New group",
3466 .type = FIO_OPT_STR_SET,
3467 .off1 = td_var_offset(new_group),
3468 .help = "Mark the start of a new group (for reporting)",
3469 .category = FIO_OPT_C_GENERAL,
3470 .group = FIO_OPT_G_PROCESS,
3471 },
3472 {
3473 .name = "thread",
3474 .lname = "Thread",
3475 .type = FIO_OPT_STR_SET,
3476 .off1 = td_var_offset(use_thread),
3477 .help = "Use threads instead of processes",
3478#ifdef CONFIG_NO_SHM
3479 .def = "1",
3480 .no_warn_def = 1,
3481#endif
3482 .category = FIO_OPT_C_GENERAL,
3483 .group = FIO_OPT_G_PROCESS,
3484 },
3485 {
3486 .name = "per_job_logs",
3487 .lname = "Per Job Logs",
3488 .type = FIO_OPT_BOOL,
3489 .off1 = td_var_offset(per_job_logs),
3490 .help = "Include job number in generated log files or not",
3491 .def = "1",
3492 .category = FIO_OPT_C_LOG,
3493 .group = FIO_OPT_G_INVALID,
3494 },
3495 {
3496 .name = "write_bw_log",
3497 .lname = "Write bandwidth log",
3498 .type = FIO_OPT_STR_STORE,
3499 .off1 = td_var_offset(bw_log_file),
3500 .help = "Write log of bandwidth during run",
3501 .category = FIO_OPT_C_LOG,
3502 .group = FIO_OPT_G_INVALID,
3503 },
3504 {
3505 .name = "write_lat_log",
3506 .lname = "Write latency log",
3507 .type = FIO_OPT_STR_STORE,
3508 .off1 = td_var_offset(lat_log_file),
3509 .help = "Write log of latency during run",
3510 .category = FIO_OPT_C_LOG,
3511 .group = FIO_OPT_G_INVALID,
3512 },
3513 {
3514 .name = "write_iops_log",
3515 .lname = "Write IOPS log",
3516 .type = FIO_OPT_STR_STORE,
3517 .off1 = td_var_offset(iops_log_file),
3518 .help = "Write log of IOPS during run",
3519 .category = FIO_OPT_C_LOG,
3520 .group = FIO_OPT_G_INVALID,
3521 },
3522 {
3523 .name = "log_avg_msec",
3524 .lname = "Log averaging (msec)",
3525 .type = FIO_OPT_INT,
3526 .off1 = td_var_offset(log_avg_msec),
3527 .help = "Average bw/iops/lat logs over this period of time",
3528 .def = "0",
3529 .category = FIO_OPT_C_LOG,
3530 .group = FIO_OPT_G_INVALID,
3531 },
3532 {
3533 .name = "log_hist_msec",
3534 .lname = "Log histograms (msec)",
3535 .type = FIO_OPT_INT,
3536 .off1 = td_var_offset(log_hist_msec),
3537 .help = "Dump completion latency histograms at frequency of this time value",
3538 .def = "0",
3539 .category = FIO_OPT_C_LOG,
3540 .group = FIO_OPT_G_INVALID,
3541 },
3542 {
3543 .name = "log_hist_coarseness",
3544 .lname = "Histogram logs coarseness",
3545 .type = FIO_OPT_INT,
3546 .off1 = td_var_offset(log_hist_coarseness),
3547 .help = "Integer in range [0,6]. Higher coarseness outputs"
3548 " fewer histogram bins per sample. The number of bins for"
3549 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3550 .def = "0",
3551 .category = FIO_OPT_C_LOG,
3552 .group = FIO_OPT_G_INVALID,
3553 },
3554 {
3555 .name = "write_hist_log",
3556 .lname = "Write latency histogram logs",
3557 .type = FIO_OPT_STR_STORE,
3558 .off1 = td_var_offset(hist_log_file),
3559 .help = "Write log of latency histograms during run",
3560 .category = FIO_OPT_C_LOG,
3561 .group = FIO_OPT_G_INVALID,
3562 },
3563 {
3564 .name = "log_max_value",
3565 .lname = "Log maximum instead of average",
3566 .type = FIO_OPT_BOOL,
3567 .off1 = td_var_offset(log_max),
3568 .help = "Log max sample in a window instead of average",
3569 .def = "0",
3570 .category = FIO_OPT_C_LOG,
3571 .group = FIO_OPT_G_INVALID,
3572 },
3573 {
3574 .name = "log_offset",
3575 .lname = "Log offset of IO",
3576 .type = FIO_OPT_BOOL,
3577 .off1 = td_var_offset(log_offset),
3578 .help = "Include offset of IO for each log entry",
3579 .def = "0",
3580 .category = FIO_OPT_C_LOG,
3581 .group = FIO_OPT_G_INVALID,
3582 },
3583#ifdef CONFIG_ZLIB
3584 {
3585 .name = "log_compression",
3586 .lname = "Log compression",
3587 .type = FIO_OPT_INT,
3588 .off1 = td_var_offset(log_gz),
3589 .help = "Log in compressed chunks of this size",
3590 .minval = 1024ULL,
3591 .maxval = 512 * 1024 * 1024ULL,
3592 .category = FIO_OPT_C_LOG,
3593 .group = FIO_OPT_G_INVALID,
3594 },
3595#ifdef FIO_HAVE_CPU_AFFINITY
3596 {
3597 .name = "log_compression_cpus",
3598 .lname = "Log Compression CPUs",
3599 .type = FIO_OPT_STR,
3600 .cb = str_log_cpus_allowed_cb,
3601 .off1 = td_var_offset(log_gz_cpumask),
3602 .parent = "log_compression",
3603 .help = "Limit log compression to these CPUs",
3604 .category = FIO_OPT_C_LOG,
3605 .group = FIO_OPT_G_INVALID,
3606 },
3607#else
3608 {
3609 .name = "log_compression_cpus",
3610 .lname = "Log Compression CPUs",
3611 .type = FIO_OPT_UNSUPPORTED,
3612 .help = "Your platform does not support CPU affinities",
3613 },
3614#endif
3615 {
3616 .name = "log_store_compressed",
3617 .lname = "Log store compressed",
3618 .type = FIO_OPT_BOOL,
3619 .off1 = td_var_offset(log_gz_store),
3620 .help = "Store logs in a compressed format",
3621 .category = FIO_OPT_C_LOG,
3622 .group = FIO_OPT_G_INVALID,
3623 },
3624#else
3625 {
3626 .name = "log_compression",
3627 .lname = "Log compression",
3628 .type = FIO_OPT_UNSUPPORTED,
3629 .help = "Install libz-dev(el) to get compression support",
3630 },
3631 {
3632 .name = "log_store_compressed",
3633 .lname = "Log store compressed",
3634 .type = FIO_OPT_UNSUPPORTED,
3635 .help = "Install libz-dev(el) to get compression support",
3636 },
3637#endif
3638 {
3639 .name = "block_error_percentiles",
3640 .lname = "Block error percentiles",
3641 .type = FIO_OPT_BOOL,
3642 .off1 = td_var_offset(block_error_hist),
3643 .help = "Record trim block errors and make a histogram",
3644 .def = "0",
3645 .category = FIO_OPT_C_LOG,
3646 .group = FIO_OPT_G_INVALID,
3647 },
3648 {
3649 .name = "bwavgtime",
3650 .lname = "Bandwidth average time",
3651 .type = FIO_OPT_INT,
3652 .off1 = td_var_offset(bw_avg_time),
3653 .help = "Time window over which to calculate bandwidth"
3654 " (msec)",
3655 .def = "500",
3656 .parent = "write_bw_log",
3657 .hide = 1,
3658 .interval = 100,
3659 .category = FIO_OPT_C_LOG,
3660 .group = FIO_OPT_G_INVALID,
3661 },
3662 {
3663 .name = "iopsavgtime",
3664 .lname = "IOPS average time",
3665 .type = FIO_OPT_INT,
3666 .off1 = td_var_offset(iops_avg_time),
3667 .help = "Time window over which to calculate IOPS (msec)",
3668 .def = "500",
3669 .parent = "write_iops_log",
3670 .hide = 1,
3671 .interval = 100,
3672 .category = FIO_OPT_C_LOG,
3673 .group = FIO_OPT_G_INVALID,
3674 },
3675 {
3676 .name = "group_reporting",
3677 .lname = "Group reporting",
3678 .type = FIO_OPT_STR_SET,
3679 .off1 = td_var_offset(group_reporting),
3680 .help = "Do reporting on a per-group basis",
3681 .category = FIO_OPT_C_STAT,
3682 .group = FIO_OPT_G_INVALID,
3683 },
3684 {
3685 .name = "zero_buffers",
3686 .lname = "Zero I/O buffers",
3687 .type = FIO_OPT_STR_SET,
3688 .off1 = td_var_offset(zero_buffers),
3689 .help = "Init IO buffers to all zeroes",
3690 .category = FIO_OPT_C_IO,
3691 .group = FIO_OPT_G_IO_BUF,
3692 },
3693 {
3694 .name = "refill_buffers",
3695 .lname = "Refill I/O buffers",
3696 .type = FIO_OPT_STR_SET,
3697 .off1 = td_var_offset(refill_buffers),
3698 .help = "Refill IO buffers on every IO submit",
3699 .category = FIO_OPT_C_IO,
3700 .group = FIO_OPT_G_IO_BUF,
3701 },
3702 {
3703 .name = "scramble_buffers",
3704 .lname = "Scramble I/O buffers",
3705 .type = FIO_OPT_BOOL,
3706 .off1 = td_var_offset(scramble_buffers),
3707 .help = "Slightly scramble buffers on every IO submit",
3708 .def = "1",
3709 .category = FIO_OPT_C_IO,
3710 .group = FIO_OPT_G_IO_BUF,
3711 },
3712 {
3713 .name = "buffer_pattern",
3714 .lname = "Buffer pattern",
3715 .type = FIO_OPT_STR,
3716 .cb = str_buffer_pattern_cb,
3717 .off1 = td_var_offset(buffer_pattern),
3718 .help = "Fill pattern for IO buffers",
3719 .category = FIO_OPT_C_IO,
3720 .group = FIO_OPT_G_IO_BUF,
3721 },
3722 {
3723 .name = "buffer_compress_percentage",
3724 .lname = "Buffer compression percentage",
3725 .type = FIO_OPT_INT,
3726 .cb = str_buffer_compress_cb,
3727 .off1 = td_var_offset(compress_percentage),
3728 .maxval = 100,
3729 .minval = 0,
3730 .help = "How compressible the buffer is (approximately)",
3731 .interval = 5,
3732 .category = FIO_OPT_C_IO,
3733 .group = FIO_OPT_G_IO_BUF,
3734 },
3735 {
3736 .name = "buffer_compress_chunk",
3737 .lname = "Buffer compression chunk size",
3738 .type = FIO_OPT_INT,
3739 .off1 = td_var_offset(compress_chunk),
3740 .parent = "buffer_compress_percentage",
3741 .hide = 1,
3742 .help = "Size of compressible region in buffer",
3743 .interval = 256,
3744 .category = FIO_OPT_C_IO,
3745 .group = FIO_OPT_G_IO_BUF,
3746 },
3747 {
3748 .name = "dedupe_percentage",
3749 .lname = "Dedupe percentage",
3750 .type = FIO_OPT_INT,
3751 .cb = str_dedupe_cb,
3752 .off1 = td_var_offset(dedupe_percentage),
3753 .maxval = 100,
3754 .minval = 0,
3755 .help = "Percentage of buffers that are dedupable",
3756 .interval = 1,
3757 .category = FIO_OPT_C_IO,
3758 .group = FIO_OPT_G_IO_BUF,
3759 },
3760 {
3761 .name = "clat_percentiles",
3762 .lname = "Completion latency percentiles",
3763 .type = FIO_OPT_BOOL,
3764 .off1 = td_var_offset(clat_percentiles),
3765 .help = "Enable the reporting of completion latency percentiles",
3766 .def = "1",
3767 .category = FIO_OPT_C_STAT,
3768 .group = FIO_OPT_G_INVALID,
3769 },
3770 {
3771 .name = "percentile_list",
3772 .lname = "Percentile list",
3773 .type = FIO_OPT_FLOAT_LIST,
3774 .off1 = td_var_offset(percentile_list),
3775 .off2 = td_var_offset(percentile_precision),
3776 .help = "Specify a custom list of percentiles to report for "
3777 "completion latency and block errors",
3778 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
3779 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3780 .minfp = 0.0,
3781 .maxfp = 100.0,
3782 .category = FIO_OPT_C_STAT,
3783 .group = FIO_OPT_G_INVALID,
3784 },
3785
3786#ifdef FIO_HAVE_DISK_UTIL
3787 {
3788 .name = "disk_util",
3789 .lname = "Disk utilization",
3790 .type = FIO_OPT_BOOL,
3791 .off1 = td_var_offset(do_disk_util),
3792 .help = "Log disk utilization statistics",
3793 .def = "1",
3794 .category = FIO_OPT_C_STAT,
3795 .group = FIO_OPT_G_INVALID,
3796 },
3797#else
3798 {
3799 .name = "disk_util",
3800 .lname = "Disk utilization",
3801 .type = FIO_OPT_UNSUPPORTED,
3802 .help = "Your platform does not support disk utilization",
3803 },
3804#endif
3805 {
3806 .name = "gtod_reduce",
3807 .lname = "Reduce gettimeofday() calls",
3808 .type = FIO_OPT_BOOL,
3809 .help = "Greatly reduce number of gettimeofday() calls",
3810 .cb = str_gtod_reduce_cb,
3811 .def = "0",
3812 .hide_on_set = 1,
3813 .category = FIO_OPT_C_STAT,
3814 .group = FIO_OPT_G_INVALID,
3815 },
3816 {
3817 .name = "disable_lat",
3818 .lname = "Disable all latency stats",
3819 .type = FIO_OPT_BOOL,
3820 .off1 = td_var_offset(disable_lat),
3821 .help = "Disable latency numbers",
3822 .parent = "gtod_reduce",
3823 .hide = 1,
3824 .def = "0",
3825 .category = FIO_OPT_C_STAT,
3826 .group = FIO_OPT_G_INVALID,
3827 },
3828 {
3829 .name = "disable_clat",
3830 .lname = "Disable completion latency stats",
3831 .type = FIO_OPT_BOOL,
3832 .off1 = td_var_offset(disable_clat),
3833 .help = "Disable completion latency numbers",
3834 .parent = "gtod_reduce",
3835 .hide = 1,
3836 .def = "0",
3837 .category = FIO_OPT_C_STAT,
3838 .group = FIO_OPT_G_INVALID,
3839 },
3840 {
3841 .name = "disable_slat",
3842 .lname = "Disable submission latency stats",
3843 .type = FIO_OPT_BOOL,
3844 .off1 = td_var_offset(disable_slat),
3845 .help = "Disable submission latency numbers",
3846 .parent = "gtod_reduce",
3847 .hide = 1,
3848 .def = "0",
3849 .category = FIO_OPT_C_STAT,
3850 .group = FIO_OPT_G_INVALID,
3851 },
3852 {
3853 .name = "disable_bw_measurement",
3854 .lname = "Disable bandwidth stats",
3855 .type = FIO_OPT_BOOL,
3856 .off1 = td_var_offset(disable_bw),
3857 .help = "Disable bandwidth logging",
3858 .parent = "gtod_reduce",
3859 .hide = 1,
3860 .def = "0",
3861 .category = FIO_OPT_C_STAT,
3862 .group = FIO_OPT_G_INVALID,
3863 },
3864 {
3865 .name = "gtod_cpu",
3866 .lname = "Dedicated gettimeofday() CPU",
3867 .type = FIO_OPT_INT,
3868 .off1 = td_var_offset(gtod_cpu),
3869 .help = "Set up dedicated gettimeofday() thread on this CPU",
3870 .verify = gtod_cpu_verify,
3871 .category = FIO_OPT_C_GENERAL,
3872 .group = FIO_OPT_G_CLOCK,
3873 },
3874 {
3875 .name = "unified_rw_reporting",
3876 .lname = "Unified RW Reporting",
3877 .type = FIO_OPT_BOOL,
3878 .off1 = td_var_offset(unified_rw_rep),
3879 .help = "Unify reporting across data direction",
3880 .def = "0",
3881 .category = FIO_OPT_C_GENERAL,
3882 .group = FIO_OPT_G_INVALID,
3883 },
3884 {
3885 .name = "continue_on_error",
3886 .lname = "Continue on error",
3887 .type = FIO_OPT_STR,
3888 .off1 = td_var_offset(continue_on_error),
3889 .help = "Continue on non-fatal errors during IO",
3890 .def = "none",
3891 .category = FIO_OPT_C_GENERAL,
3892 .group = FIO_OPT_G_ERR,
3893 .posval = {
3894 { .ival = "none",
3895 .oval = ERROR_TYPE_NONE,
3896 .help = "Exit when an error is encountered",
3897 },
3898 { .ival = "read",
3899 .oval = ERROR_TYPE_READ,
3900 .help = "Continue on read errors only",
3901 },
3902 { .ival = "write",
3903 .oval = ERROR_TYPE_WRITE,
3904 .help = "Continue on write errors only",
3905 },
3906 { .ival = "io",
3907 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3908 .help = "Continue on any IO errors",
3909 },
3910 { .ival = "verify",
3911 .oval = ERROR_TYPE_VERIFY,
3912 .help = "Continue on verify errors only",
3913 },
3914 { .ival = "all",
3915 .oval = ERROR_TYPE_ANY,
3916 .help = "Continue on all io and verify errors",
3917 },
3918 { .ival = "0",
3919 .oval = ERROR_TYPE_NONE,
3920 .help = "Alias for 'none'",
3921 },
3922 { .ival = "1",
3923 .oval = ERROR_TYPE_ANY,
3924 .help = "Alias for 'all'",
3925 },
3926 },
3927 },
3928 {
3929 .name = "ignore_error",
3930 .lname = "Ignore Error",
3931 .type = FIO_OPT_STR,
3932 .cb = str_ignore_error_cb,
3933 .off1 = td_var_offset(ignore_error_nr),
3934 .help = "Set a specific list of errors to ignore",
3935 .parent = "rw",
3936 .category = FIO_OPT_C_GENERAL,
3937 .group = FIO_OPT_G_ERR,
3938 },
3939 {
3940 .name = "error_dump",
3941 .lname = "Error Dump",
3942 .type = FIO_OPT_BOOL,
3943 .off1 = td_var_offset(error_dump),
3944 .def = "0",
3945 .help = "Dump info on each error",
3946 .category = FIO_OPT_C_GENERAL,
3947 .group = FIO_OPT_G_ERR,
3948 },
3949 {
3950 .name = "profile",
3951 .lname = "Profile",
3952 .type = FIO_OPT_STR_STORE,
3953 .off1 = td_var_offset(profile),
3954 .help = "Select a specific builtin performance test",
3955 .category = FIO_OPT_C_PROFILE,
3956 .group = FIO_OPT_G_INVALID,
3957 },
3958 {
3959 .name = "cgroup",
3960 .lname = "Cgroup",
3961 .type = FIO_OPT_STR_STORE,
3962 .off1 = td_var_offset(cgroup),
3963 .help = "Add job to cgroup of this name",
3964 .category = FIO_OPT_C_GENERAL,
3965 .group = FIO_OPT_G_CGROUP,
3966 },
3967 {
3968 .name = "cgroup_nodelete",
3969 .lname = "Cgroup no-delete",
3970 .type = FIO_OPT_BOOL,
3971 .off1 = td_var_offset(cgroup_nodelete),
3972 .help = "Do not delete cgroups after job completion",
3973 .def = "0",
3974 .parent = "cgroup",
3975 .category = FIO_OPT_C_GENERAL,
3976 .group = FIO_OPT_G_CGROUP,
3977 },
3978 {
3979 .name = "cgroup_weight",
3980 .lname = "Cgroup weight",
3981 .type = FIO_OPT_INT,
3982 .off1 = td_var_offset(cgroup_weight),
3983 .help = "Use given weight for cgroup",
3984 .minval = 100,
3985 .maxval = 1000,
3986 .parent = "cgroup",
3987 .category = FIO_OPT_C_GENERAL,
3988 .group = FIO_OPT_G_CGROUP,
3989 },
3990 {
3991 .name = "uid",
3992 .lname = "User ID",
3993 .type = FIO_OPT_INT,
3994 .off1 = td_var_offset(uid),
3995 .help = "Run job with this user ID",
3996 .category = FIO_OPT_C_GENERAL,
3997 .group = FIO_OPT_G_CRED,
3998 },
3999 {
4000 .name = "gid",
4001 .lname = "Group ID",
4002 .type = FIO_OPT_INT,
4003 .off1 = td_var_offset(gid),
4004 .help = "Run job with this group ID",
4005 .category = FIO_OPT_C_GENERAL,
4006 .group = FIO_OPT_G_CRED,
4007 },
4008 {
4009 .name = "kb_base",
4010 .lname = "KB Base",
4011 .type = FIO_OPT_INT,
4012 .off1 = td_var_offset(kb_base),
4013 .prio = 1,
4014 .def = "1024",
4015 .posval = {
4016 { .ival = "1024",
4017 .oval = 1024,
4018 .help = "Use 1024 as the K base",
4019 },
4020 { .ival = "1000",
4021 .oval = 1000,
4022 .help = "Use 1000 as the K base",
4023 },
4024 },
4025 .help = "How many bytes per KB for reporting (1000 or 1024)",
4026 .category = FIO_OPT_C_GENERAL,
4027 .group = FIO_OPT_G_INVALID,
4028 },
4029 {
4030 .name = "unit_base",
4031 .lname = "Base unit for reporting (Bits or Bytes)",
4032 .type = FIO_OPT_INT,
4033 .off1 = td_var_offset(unit_base),
4034 .prio = 1,
4035 .posval = {
4036 { .ival = "0",
4037 .oval = 0,
4038 .help = "Auto-detect",
4039 },
4040 { .ival = "8",
4041 .oval = 8,
4042 .help = "Normal (byte based)",
4043 },
4044 { .ival = "1",
4045 .oval = 1,
4046 .help = "Bit based",
4047 },
4048 },
4049 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4050 .category = FIO_OPT_C_GENERAL,
4051 .group = FIO_OPT_G_INVALID,
4052 },
4053 {
4054 .name = "hugepage-size",
4055 .lname = "Hugepage size",
4056 .type = FIO_OPT_INT,
4057 .off1 = td_var_offset(hugepage_size),
4058 .help = "When using hugepages, specify size of each page",
4059 .def = __fio_stringify(FIO_HUGE_PAGE),
4060 .interval = 1024 * 1024,
4061 .category = FIO_OPT_C_GENERAL,
4062 .group = FIO_OPT_G_INVALID,
4063 },
4064 {
4065 .name = "flow_id",
4066 .lname = "I/O flow ID",
4067 .type = FIO_OPT_INT,
4068 .off1 = td_var_offset(flow_id),
4069 .help = "The flow index ID to use",
4070 .def = "0",
4071 .category = FIO_OPT_C_IO,
4072 .group = FIO_OPT_G_IO_FLOW,
4073 },
4074 {
4075 .name = "flow",
4076 .lname = "I/O flow weight",
4077 .type = FIO_OPT_INT,
4078 .off1 = td_var_offset(flow),
4079 .help = "Weight for flow control of this job",
4080 .parent = "flow_id",
4081 .hide = 1,
4082 .def = "0",
4083 .category = FIO_OPT_C_IO,
4084 .group = FIO_OPT_G_IO_FLOW,
4085 },
4086 {
4087 .name = "flow_watermark",
4088 .lname = "I/O flow watermark",
4089 .type = FIO_OPT_INT,
4090 .off1 = td_var_offset(flow_watermark),
4091 .help = "High watermark for flow control. This option"
4092 " should be set to the same value for all threads"
4093 " with non-zero flow.",
4094 .parent = "flow_id",
4095 .hide = 1,
4096 .def = "1024",
4097 .category = FIO_OPT_C_IO,
4098 .group = FIO_OPT_G_IO_FLOW,
4099 },
4100 {
4101 .name = "flow_sleep",
4102 .lname = "I/O flow sleep",
4103 .type = FIO_OPT_INT,
4104 .off1 = td_var_offset(flow_sleep),
4105 .help = "How many microseconds to sleep after being held"
4106 " back by the flow control mechanism",
4107 .parent = "flow_id",
4108 .hide = 1,
4109 .def = "0",
4110 .category = FIO_OPT_C_IO,
4111 .group = FIO_OPT_G_IO_FLOW,
4112 },
4113 {
4114 .name = "skip_bad",
4115 .lname = "Skip operations against bad blocks",
4116 .type = FIO_OPT_BOOL,
4117 .off1 = td_var_offset(skip_bad),
4118 .help = "Skip operations against known bad blocks.",
4119 .hide = 1,
4120 .def = "0",
4121 .category = FIO_OPT_C_IO,
4122 .group = FIO_OPT_G_MTD,
4123 },
4124 {
4125 .name = NULL,
4126 },
4127};
4128
4129static void add_to_lopt(struct option *lopt, struct fio_option *o,
4130 const char *name, int val)
4131{
4132 lopt->name = (char *) name;
4133 lopt->val = val;
4134 if (o->type == FIO_OPT_STR_SET)
4135 lopt->has_arg = optional_argument;
4136 else
4137 lopt->has_arg = required_argument;
4138}
4139
4140static void options_to_lopts(struct fio_option *opts,
4141 struct option *long_options,
4142 int i, int option_type)
4143{
4144 struct fio_option *o = &opts[0];
4145 while (o->name) {
4146 add_to_lopt(&long_options[i], o, o->name, option_type);
4147 if (o->alias) {
4148 i++;
4149 add_to_lopt(&long_options[i], o, o->alias, option_type);
4150 }
4151
4152 i++;
4153 o++;
4154 assert(i < FIO_NR_OPTIONS);
4155 }
4156}
4157
4158void fio_options_set_ioengine_opts(struct option *long_options,
4159 struct thread_data *td)
4160{
4161 unsigned int i;
4162
4163 i = 0;
4164 while (long_options[i].name) {
4165 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4166 memset(&long_options[i], 0, sizeof(*long_options));
4167 break;
4168 }
4169 i++;
4170 }
4171
4172 /*
4173 * Just clear out the prior ioengine options.
4174 */
4175 if (!td || !td->eo)
4176 return;
4177
4178 options_to_lopts(td->io_ops->options, long_options, i,
4179 FIO_GETOPT_IOENGINE);
4180}
4181
4182void fio_options_dup_and_init(struct option *long_options)
4183{
4184 unsigned int i;
4185
4186 options_init(fio_options);
4187
4188 i = 0;
4189 while (long_options[i].name)
4190 i++;
4191
4192 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
4193}
4194
4195struct fio_keyword {
4196 const char *word;
4197 const char *desc;
4198 char *replace;
4199};
4200
4201static struct fio_keyword fio_keywords[] = {
4202 {
4203 .word = "$pagesize",
4204 .desc = "Page size in the system",
4205 },
4206 {
4207 .word = "$mb_memory",
4208 .desc = "Megabytes of memory online",
4209 },
4210 {
4211 .word = "$ncpus",
4212 .desc = "Number of CPUs online in the system",
4213 },
4214 {
4215 .word = NULL,
4216 },
4217};
4218
4219void fio_keywords_exit(void)
4220{
4221 struct fio_keyword *kw;
4222
4223 kw = &fio_keywords[0];
4224 while (kw->word) {
4225 free(kw->replace);
4226 kw->replace = NULL;
4227 kw++;
4228 }
4229}
4230
4231void fio_keywords_init(void)
4232{
4233 unsigned long long mb_memory;
4234 char buf[128];
4235 long l;
4236
4237 sprintf(buf, "%lu", (unsigned long) page_size);
4238 fio_keywords[0].replace = strdup(buf);
4239
4240 mb_memory = os_phys_mem() / (1024 * 1024);
4241 sprintf(buf, "%llu", mb_memory);
4242 fio_keywords[1].replace = strdup(buf);
4243
4244 l = cpus_online();
4245 sprintf(buf, "%lu", l);
4246 fio_keywords[2].replace = strdup(buf);
4247}
4248
4249#define BC_APP "bc"
4250
4251static char *bc_calc(char *str)
4252{
4253 char buf[128], *tmp;
4254 FILE *f;
4255 int ret;
4256
4257 /*
4258 * No math, just return string
4259 */
4260 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4261 !strchr(str, '/')) || strchr(str, '\''))
4262 return str;
4263
4264 /*
4265 * Split option from value, we only need to calculate the value
4266 */
4267 tmp = strchr(str, '=');
4268 if (!tmp)
4269 return str;
4270
4271 tmp++;
4272
4273 /*
4274 * Prevent buffer overflows; such a case isn't reasonable anyway
4275 */
4276 if (strlen(str) >= 128 || strlen(tmp) > 100)
4277 return str;
4278
4279 sprintf(buf, "which %s > /dev/null", BC_APP);
4280 if (system(buf)) {
4281 log_err("fio: bc is needed for performing math\n");
4282 return NULL;
4283 }
4284
4285 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
4286 f = popen(buf, "r");
4287 if (!f)
4288 return NULL;
4289
4290 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
4291 if (ret <= 0) {
4292 pclose(f);
4293 return NULL;
4294 }
4295
4296 pclose(f);
4297 buf[(tmp - str) + ret - 1] = '\0';
4298 memcpy(buf, str, tmp - str);
4299 free(str);
4300 return strdup(buf);
4301}
4302
4303/*
4304 * Return a copy of the input string with substrings of the form ${VARNAME}
4305 * substituted with the value of the environment variable VARNAME. The
4306 * substitution always occurs, even if VARNAME is empty or the corresponding
4307 * environment variable undefined.
4308 */
4309static char *option_dup_subs(const char *opt)
4310{
4311 char out[OPT_LEN_MAX+1];
4312 char in[OPT_LEN_MAX+1];
4313 char *outptr = out;
4314 char *inptr = in;
4315 char *ch1, *ch2, *env;
4316 ssize_t nchr = OPT_LEN_MAX;
4317 size_t envlen;
4318
4319 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4320 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4321 return NULL;
4322 }
4323
4324 in[OPT_LEN_MAX] = '\0';
4325 strncpy(in, opt, OPT_LEN_MAX);
4326
4327 while (*inptr && nchr > 0) {
4328 if (inptr[0] == '$' && inptr[1] == '{') {
4329 ch2 = strchr(inptr, '}');
4330 if (ch2 && inptr+1 < ch2) {
4331 ch1 = inptr+2;
4332 inptr = ch2+1;
4333 *ch2 = '\0';
4334
4335 env = getenv(ch1);
4336 if (env) {
4337 envlen = strlen(env);
4338 if (envlen <= nchr) {
4339 memcpy(outptr, env, envlen);
4340 outptr += envlen;
4341 nchr -= envlen;
4342 }
4343 }
4344
4345 continue;
4346 }
4347 }
4348
4349 *outptr++ = *inptr++;
4350 --nchr;
4351 }
4352
4353 *outptr = '\0';
4354 return strdup(out);
4355}
4356
4357/*
4358 * Look for reserved variable names and replace them with real values
4359 */
4360static char *fio_keyword_replace(char *opt)
4361{
4362 char *s;
4363 int i;
4364 int docalc = 0;
4365
4366 for (i = 0; fio_keywords[i].word != NULL; i++) {
4367 struct fio_keyword *kw = &fio_keywords[i];
4368
4369 while ((s = strstr(opt, kw->word)) != NULL) {
4370 char *new = malloc(strlen(opt) + 1);
4371 char *o_org = opt;
4372 int olen = s - opt;
4373 int len;
4374
4375 /*
4376 * Copy part of the string before the keyword and
4377 * sprintf() the replacement after it.
4378 */
4379 memcpy(new, opt, olen);
4380 len = sprintf(new + olen, "%s", kw->replace);
4381
4382 /*
4383 * If there's more in the original string, copy that
4384 * in too
4385 */
4386 opt += strlen(kw->word) + olen;
4387 if (strlen(opt))
4388 memcpy(new + olen + len, opt, opt - o_org - 1);
4389
4390 /*
4391 * replace opt and free the old opt
4392 */
4393 opt = new;
4394 free(o_org);
4395
4396 docalc = 1;
4397 }
4398 }
4399
4400 /*
4401 * Check for potential math and invoke bc, if possible
4402 */
4403 if (docalc)
4404 opt = bc_calc(opt);
4405
4406 return opt;
4407}
4408
4409static char **dup_and_sub_options(char **opts, int num_opts)
4410{
4411 int i;
4412 char **opts_copy = malloc(num_opts * sizeof(*opts));
4413 for (i = 0; i < num_opts; i++) {
4414 opts_copy[i] = option_dup_subs(opts[i]);
4415 if (!opts_copy[i])
4416 continue;
4417 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4418 }
4419 return opts_copy;
4420}
4421
4422static void show_closest_option(const char *opt)
4423{
4424 int best_option, best_distance;
4425 int i, distance;
4426 char *name;
4427
4428 if (!strlen(opt))
4429 return;
4430
4431 name = strdup(opt);
4432 i = 0;
4433 while (name[i] != '\0' && name[i] != '=')
4434 i++;
4435 name[i] = '\0';
4436
4437 best_option = -1;
4438 best_distance = INT_MAX;
4439 i = 0;
4440 while (fio_options[i].name) {
4441 distance = string_distance(name, fio_options[i].name);
4442 if (distance < best_distance) {
4443 best_distance = distance;
4444 best_option = i;
4445 }
4446 i++;
4447 }
4448
4449 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4450 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
4451 log_err("Did you mean %s?\n", fio_options[best_option].name);
4452
4453 free(name);
4454}
4455
4456int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
4457{
4458 int i, ret, unknown;
4459 char **opts_copy;
4460
4461 sort_options(opts, fio_options, num_opts);
4462 opts_copy = dup_and_sub_options(opts, num_opts);
4463
4464 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4465 struct fio_option *o;
4466 int newret = parse_option(opts_copy[i], opts[i], fio_options,
4467 &o, td, &td->opt_list);
4468
4469 if (!newret && o)
4470 fio_option_mark_set(&td->o, o);
4471
4472 if (opts_copy[i]) {
4473 if (newret && !o) {
4474 unknown++;
4475 continue;
4476 }
4477 free(opts_copy[i]);
4478 opts_copy[i] = NULL;
4479 }
4480
4481 ret |= newret;
4482 }
4483
4484 if (unknown) {
4485 ret |= ioengine_load(td);
4486 if (td->eo) {
4487 sort_options(opts_copy, td->io_ops->options, num_opts);
4488 opts = opts_copy;
4489 }
4490 for (i = 0; i < num_opts; i++) {
4491 struct fio_option *o = NULL;
4492 int newret = 1;
4493
4494 if (!opts_copy[i])
4495 continue;
4496
4497 if (td->eo)
4498 newret = parse_option(opts_copy[i], opts[i],
4499 td->io_ops->options, &o,
4500 td->eo, &td->opt_list);
4501
4502 ret |= newret;
4503 if (!o) {
4504 log_err("Bad option <%s>\n", opts[i]);
4505 show_closest_option(opts[i]);
4506 }
4507 free(opts_copy[i]);
4508 opts_copy[i] = NULL;
4509 }
4510 }
4511
4512 free(opts_copy);
4513 return ret;
4514}
4515
4516int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4517{
4518 int ret;
4519
4520 ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list);
4521 if (!ret) {
4522 struct fio_option *o;
4523
4524 o = find_option(fio_options, opt);
4525 if (o)
4526 fio_option_mark_set(&td->o, o);
4527 }
4528
4529 return ret;
4530}
4531
4532int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4533 char *val)
4534{
4535 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4536 &td->opt_list);
4537}
4538
4539void fio_fill_default_options(struct thread_data *td)
4540{
4541 td->o.magic = OPT_MAGIC;
4542 fill_default_options(td, fio_options);
4543}
4544
4545int fio_show_option_help(const char *opt)
4546{
4547 return show_cmd_help(fio_options, opt);
4548}
4549
4550void options_mem_dupe(void *data, struct fio_option *options)
4551{
4552 struct fio_option *o;
4553 char **ptr;
4554
4555 for (o = &options[0]; o->name; o++) {
4556 if (o->type != FIO_OPT_STR_STORE)
4557 continue;
4558
4559 ptr = td_var(data, o, o->off1);
4560 if (*ptr)
4561 *ptr = strdup(*ptr);
4562 }
4563}
4564
4565/*
4566 * dupe FIO_OPT_STR_STORE options
4567 */
4568void fio_options_mem_dupe(struct thread_data *td)
4569{
4570 options_mem_dupe(&td->o, fio_options);
4571
4572 if (td->eo && td->io_ops) {
4573 void *oldeo = td->eo;
4574
4575 td->eo = malloc(td->io_ops->option_struct_size);
4576 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4577 options_mem_dupe(td->eo, td->io_ops->options);
4578 }
4579}
4580
4581unsigned int fio_get_kb_base(void *data)
4582{
4583 struct thread_options *o = data;
4584 unsigned int kb_base = 0;
4585
4586 /*
4587 * This is a hack... For private options, *data is not holding
4588 * a pointer to the thread_options, but to private data. This means
4589 * we can't safely dereference it, but magic is first so mem wise
4590 * it is valid. But this also means that if the job first sets
4591 * kb_base and expects that to be honored by private options,
4592 * it will be disappointed. We will return the global default
4593 * for this.
4594 */
4595 if (o && o->magic == OPT_MAGIC)
4596 kb_base = o->kb_base;
4597 if (!kb_base)
4598 kb_base = 1024;
4599
4600 return kb_base;
4601}
4602
4603int add_option(struct fio_option *o)
4604{
4605 struct fio_option *__o;
4606 int opt_index = 0;
4607
4608 __o = fio_options;
4609 while (__o->name) {
4610 opt_index++;
4611 __o++;
4612 }
4613
4614 if (opt_index + 1 == FIO_MAX_OPTS) {
4615 log_err("fio: FIO_MAX_OPTS is too small\n");
4616 return 1;
4617 }
4618
4619 memcpy(&fio_options[opt_index], o, sizeof(*o));
4620 fio_options[opt_index + 1].name = NULL;
4621 return 0;
4622}
4623
4624void invalidate_profile_options(const char *prof_name)
4625{
4626 struct fio_option *o;
4627
4628 o = fio_options;
4629 while (o->name) {
4630 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4631 o->type = FIO_OPT_INVALID;
4632 o->prof_name = NULL;
4633 }
4634 o++;
4635 }
4636}
4637
4638void add_opt_posval(const char *optname, const char *ival, const char *help)
4639{
4640 struct fio_option *o;
4641 unsigned int i;
4642
4643 o = find_option(fio_options, optname);
4644 if (!o)
4645 return;
4646
4647 for (i = 0; i < PARSE_MAX_VP; i++) {
4648 if (o->posval[i].ival)
4649 continue;
4650
4651 o->posval[i].ival = ival;
4652 o->posval[i].help = help;
4653 break;
4654 }
4655}
4656
4657void del_opt_posval(const char *optname, const char *ival)
4658{
4659 struct fio_option *o;
4660 unsigned int i;
4661
4662 o = find_option(fio_options, optname);
4663 if (!o)
4664 return;
4665
4666 for (i = 0; i < PARSE_MAX_VP; i++) {
4667 if (!o->posval[i].ival)
4668 continue;
4669 if (strcmp(o->posval[i].ival, ival))
4670 continue;
4671
4672 o->posval[i].ival = NULL;
4673 o->posval[i].help = NULL;
4674 }
4675}
4676
4677void fio_options_free(struct thread_data *td)
4678{
4679 options_free(fio_options, td);
4680 if (td->eo && td->io_ops && td->io_ops->options) {
4681 options_free(td->io_ops->options, td->eo);
4682 free(td->eo);
4683 td->eo = NULL;
4684 }
4685}
4686
4687struct fio_option *fio_option_find(const char *name)
4688{
4689 return find_option(fio_options, name);
4690}
4691
4692static struct fio_option *find_next_opt(struct thread_options *o,
4693 struct fio_option *from,
4694 unsigned int off1)
4695{
4696 struct fio_option *opt;
4697
4698 if (!from)
4699 from = &fio_options[0];
4700 else
4701 from++;
4702
4703 opt = NULL;
4704 do {
4705 if (off1 == from->off1) {
4706 opt = from;
4707 break;
4708 }
4709 from++;
4710 } while (from->name);
4711
4712 return opt;
4713}
4714
4715static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4716{
4717 unsigned int opt_off, index, offset;
4718
4719 opt_off = opt - &fio_options[0];
4720 index = opt_off / (8 * sizeof(uint64_t));
4721 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4722 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
4723}
4724
4725bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
4726{
4727 struct fio_option *opt, *next;
4728
4729 next = NULL;
4730 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4731 if (opt_is_set(o, opt))
4732 return true;
4733
4734 next = opt;
4735 }
4736
4737 return false;
4738}
4739
4740void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4741{
4742 unsigned int opt_off, index, offset;
4743
4744 opt_off = opt - &fio_options[0];
4745 index = opt_off / (8 * sizeof(uint64_t));
4746 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4747 o->set_options[index] |= (uint64_t)1 << offset;
4748}
fio - Flexible IO Tester