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configure: add needed packages hints
[fio.git] / options.c
CommitLineData
214e1eca
JA		 1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
214e1eca 6#include <assert.h>
921c766f 7#include <libgen.h>
5921e80c
JA		 8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
214e1eca
JA		 11
12#include "fio.h"
4f5af7b2 13#include "verify.h"
214e1eca 14#include "parse.h"
eef32359 15#include "lib/fls.h"
9f988e2e 16#include "options.h"
214e1eca 17
5d7c5d34
JA		 18#include "crc/crc32c.h"
19
214e1eca
JA		 20/*
21 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
22 */
23static char *get_opt_postfix(const char *str)
24{
25 char *p = strstr(str, ":");
26
27 if (!p)
28 return NULL;
29
30 p++;
31 strip_blank_front(&p);
32 strip_blank_end(p);
33 return strdup(p);
34}
35
0e92f873
RR		 36static int converthexchartoint(char a)
37{
38 int base;
39
3c3ed070 40 switch (a) {
0e92f873
RR		 41 case '0'...'9':
42 base = '0';
43 break;
44 case 'A'...'F':
45 base = 'A' - 10;
46 break;
47 case 'a'...'f':
48 base = 'a' - 10;
49 break;
50 default:
51 base = 0;
52 }
3c3ed070 53 return a - base;
0e92f873
RR		 54}
55
564ca972
JA		 56static int bs_cmp(const void *p1, const void *p2)
57{
58 const struct bssplit *bsp1 = p1;
59 const struct bssplit *bsp2 = p2;
60
61 return bsp1->perc < bsp2->perc;
62}
63
83ea422a 64static int bssplit_ddir(struct thread_options *o, int ddir, char *str)
564ca972 65{
720e84ad 66 struct bssplit *bssplit;
564ca972
JA		 67 unsigned int i, perc, perc_missing;
68 unsigned int max_bs, min_bs;
69 long long val;
720e84ad 70 char *fname;
564ca972 71
83ea422a 72 o->bssplit_nr[ddir] = 4;
720e84ad 73 bssplit = malloc(4 * sizeof(struct bssplit));
564ca972
JA		 74
75 i = 0;
76 max_bs = 0;
77 min_bs = -1;
78 while ((fname = strsep(&str, ":")) != NULL) {
79 char *perc_str;
80
81 if (!strlen(fname))
82 break;
83
84 /*
85 * grow struct buffer, if needed
86 */
83ea422a
JA		 87 if (i == o->bssplit_nr[ddir]) {
88 o->bssplit_nr[ddir] <<= 1;
89 bssplit = realloc(bssplit, o->bssplit_nr[ddir]
5ec10eaa 90 * sizeof(struct bssplit));
564ca972
JA		 91 }
92
93 perc_str = strstr(fname, "/");
94 if (perc_str) {
95 *perc_str = '\0';
96 perc_str++;
97 perc = atoi(perc_str);
98 if (perc > 100)
99 perc = 100;
100 else if (!perc)
101 perc = -1;
102 } else
103 perc = -1;
104
83ea422a 105 if (str_to_decimal(fname, &val, 1, o)) {
564ca972 106 log_err("fio: bssplit conversion failed\n");
83ea422a 107 free(o->bssplit);
564ca972
JA		 108 return 1;
109 }
110
111 if (val > max_bs)
112 max_bs = val;
113 if (val < min_bs)
114 min_bs = val;
115
720e84ad
JA		 116 bssplit[i].bs = val;
117 bssplit[i].perc = perc;
564ca972
JA		 118 i++;
119 }
120
83ea422a 121 o->bssplit_nr[ddir] = i;
564ca972
JA		 122
123 /*
124 * Now check if the percentages add up, and how much is missing
125 */
126 perc = perc_missing = 0;
83ea422a 127 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 128 struct bssplit *bsp = &bssplit[i];
564ca972
JA		 129
130 if (bsp->perc == (unsigned char) -1)
131 perc_missing++;
132 else
133 perc += bsp->perc;
134 }
135
136 if (perc > 100) {
137 log_err("fio: bssplit percentages add to more than 100%%\n");
720e84ad 138 free(bssplit);
564ca972
JA		 139 return 1;
140 }
141 /*
142 * If values didn't have a percentage set, divide the remains between
143 * them.
144 */
145 if (perc_missing) {
83ea422a 146 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 147 struct bssplit *bsp = &bssplit[i];
564ca972
JA		 148
149 if (bsp->perc == (unsigned char) -1)
150 bsp->perc = (100 - perc) / perc_missing;
151 }
152 }
153
83ea422a
JA		 154 o->min_bs[ddir] = min_bs;
155 o->max_bs[ddir] = max_bs;
564ca972
JA		 156
157 /*
158 * now sort based on percentages, for ease of lookup
159 */
83ea422a
JA		 160 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
161 o->bssplit[ddir] = bssplit;
720e84ad 162 return 0;
720e84ad
JA		 163}
164
165static int str_bssplit_cb(void *data, const char *input)
166{
167 struct thread_data *td = data;
6eaf09d6 168 char *str, *p, *odir, *ddir;
720e84ad
JA		 169 int ret = 0;
170
171 p = str = strdup(input);
172
173 strip_blank_front(&str);
174 strip_blank_end(str);
175
176 odir = strchr(str, ',');
177 if (odir) {
6eaf09d6
SL		 178 ddir = strchr(odir + 1, ',');
179 if (ddir) {
d79db122 180 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL		 181 if (!ret)
182 *ddir = '\0';
183 } else {
184 char *op;
185
186 op = strdup(odir + 1);
d79db122 187 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 188
189 free(op);
190 }
d79db122
JA		 191 if (!ret)
192 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA		 193 if (!ret) {
194 *odir = '\0';
83ea422a 195 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad
JA		 196 }
197 } else {
198 char *op;
199
200 op = strdup(str);
d79db122 201 ret = bssplit_ddir(&td->o, DDIR_WRITE, op);
6eaf09d6 202 free(op);
720e84ad 203
6eaf09d6
SL		 204 if (!ret) {
205 op = strdup(str);
d79db122 206 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 207 free(op);
208 }
83ea422a 209 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad 210 }
564ca972
JA		 211
212 free(p);
720e84ad 213 return ret;
564ca972
JA		 214}
215
8b28bd41
DM		 216static int str2error(char *str)
217{
a94eb99a 218 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 219 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
220 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
221 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
222 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
223 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
224 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 225 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
8b28bd41
DM		 226 int i = 0, num = sizeof(err) / sizeof(void *);
227
a94eb99a 228 while (i < num) {
8b28bd41
DM		 229 if (!strcmp(err[i], str))
230 return i + 1;
231 i++;
232 }
233 return 0;
234}
235
236static int ignore_error_type(struct thread_data *td, int etype, char *str)
237{
238 unsigned int i;
239 int *error;
240 char *fname;
241
242 if (etype >= ERROR_TYPE_CNT) {
243 log_err("Illegal error type\n");
244 return 1;
245 }
246
247 td->o.ignore_error_nr[etype] = 4;
248 error = malloc(4 * sizeof(struct bssplit));
249
250 i = 0;
251 while ((fname = strsep(&str, ":")) != NULL) {
252
253 if (!strlen(fname))
254 break;
255
256 /*
257 * grow struct buffer, if needed
258 */
259 if (i == td->o.ignore_error_nr[etype]) {
260 td->o.ignore_error_nr[etype] <<= 1;
261 error = realloc(error, td->o.ignore_error_nr[etype]
262 * sizeof(int));
263 }
264 if (fname[0] == 'E') {
265 error[i] = str2error(fname);
266 } else {
267 error[i] = atoi(fname);
268 if (error[i] < 0)
269 error[i] = error[i];
270 }
271 if (!error[i]) {
272 log_err("Unknown error %s, please use number value \n",
273 fname);
274 return 1;
275 }
276 i++;
277 }
278 if (i) {
279 td->o.continue_on_error |= 1 << etype;
280 td->o.ignore_error_nr[etype] = i;
281 td->o.ignore_error[etype] = error;
282 }
283 return 0;
284
285}
286
287static int str_ignore_error_cb(void *data, const char *input)
288{
289 struct thread_data *td = data;
290 char *str, *p, *n;
291 int type = 0, ret = 1;
292 p = str = strdup(input);
293
294 strip_blank_front(&str);
295 strip_blank_end(str);
296
297 while (p) {
298 n = strchr(p, ',');
299 if (n)
300 *n++ = '\0';
301 ret = ignore_error_type(td, type, p);
302 if (ret)
303 break;
304 p = n;
305 type++;
306 }
307 free(str);
308 return ret;
309}
310
211097b2
JA		 311static int str_rw_cb(void *data, const char *str)
312{
313 struct thread_data *td = data;
83ea422a 314 struct thread_options *o = &td->o;
211097b2
JA		 315 char *nr = get_opt_postfix(str);
316
83ea422a
JA		 317 o->ddir_seq_nr = 1;
318 o->ddir_seq_add = 0;
059b0802
JA		 319
320 if (!nr)
321 return 0;
322
323 if (td_random(td))
83ea422a 324 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 325 else {
326 long long val;
327
83ea422a 328 if (str_to_decimal(nr, &val, 1, o)) {
059b0802
JA		 329 log_err("fio: rw postfix parsing failed\n");
330 free(nr);
331 return 1;
332 }
333
83ea422a 334 o->ddir_seq_add = val;
182ec6ee 335 }
211097b2 336
059b0802 337 free(nr);
211097b2
JA		 338 return 0;
339}
340
214e1eca
JA		 341static int str_mem_cb(void *data, const char *mem)
342{
343 struct thread_data *td = data;
344
d9759b1e 345 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
836fcc0f 346 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 347
348 return 0;
349}
350
c223da83
JA		 351static int fio_clock_source_cb(void *data, const char *str)
352{
353 struct thread_data *td = data;
354
355 fio_clock_source = td->o.clocksource;
fa80feae 356 fio_clock_source_set = 1;
01423eae 357 fio_clock_init();
c223da83
JA		 358 return 0;
359}
360
85bc833b 361static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA		 362{
363 struct thread_data *td = data;
364
365 td->o.rwmix[DDIR_READ] = *val;
366 td->o.rwmix[DDIR_WRITE] = 100 - *val;
367 return 0;
368}
369
85bc833b 370static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA		 371{
372 struct thread_data *td = data;
373
374 td->o.rwmix[DDIR_WRITE] = *val;
375 td->o.rwmix[DDIR_READ] = 100 - *val;
376 return 0;
377}
378
214e1eca
JA		 379static int str_exitall_cb(void)
380{
381 exitall_on_terminate = 1;
382 return 0;
383}
384
214e1eca 385#ifdef FIO_HAVE_CPU_AFFINITY
85bc833b 386static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA		 387{
388 struct thread_data *td = data;
214e1eca 389 unsigned int i;
b03daafb 390 long max_cpu;
d2ce18b5
JA		 391 int ret;
392
393 ret = fio_cpuset_init(&td->o.cpumask);
394 if (ret < 0) {
395 log_err("fio: cpuset_init failed\n");
396 td_verror(td, ret, "fio_cpuset_init");
397 return 1;
398 }
214e1eca 399
c00a2289 400 max_cpu = cpus_online();
214e1eca 401
62a7273d
JA		 402 for (i = 0; i < sizeof(int) * 8; i++) {
403 if ((1 << i) & *val) {
b03daafb
JA		 404 if (i > max_cpu) {
405 log_err("fio: CPU %d too large (max=%ld)\n", i,
406 max_cpu);
407 return 1;
408 }
62a7273d 409 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 410 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 411 }
412 }
d2e268b0
JA		 413
414 td->o.cpumask_set = 1;
415 return 0;
214e1eca
JA		 416}
417
e8462bd8
JA		 418static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
419 const char *input)
214e1eca 420{
d2e268b0 421 char *cpu, *str, *p;
b03daafb 422 long max_cpu;
19608d6c 423 int ret = 0;
d2e268b0 424
e8462bd8 425 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 426 if (ret < 0) {
427 log_err("fio: cpuset_init failed\n");
428 td_verror(td, ret, "fio_cpuset_init");
429 return 1;
430 }
d2e268b0
JA		 431
432 p = str = strdup(input);
214e1eca 433
d2e268b0
JA		 434 strip_blank_front(&str);
435 strip_blank_end(str);
436
c00a2289 437 max_cpu = cpus_online();
b03daafb 438
d2e268b0 439 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 440 char *str2, *cpu2;
441 int icpu, icpu2;
442
d2e268b0
JA		 443 if (!strlen(cpu))
444 break;
62a7273d
JA		 445
446 str2 = cpu;
447 icpu2 = -1;
448 while ((cpu2 = strsep(&str2, "-")) != NULL) {
449 if (!strlen(cpu2))
450 break;
451
452 icpu2 = atoi(cpu2);
453 }
454
455 icpu = atoi(cpu);
456 if (icpu2 == -1)
457 icpu2 = icpu;
458 while (icpu <= icpu2) {
6d459ee7 459 if (icpu >= FIO_MAX_CPUS) {
19608d6c 460 log_err("fio: your OS only supports up to"
6d459ee7 461 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 462 ret = 1;
463 break;
464 }
b03daafb
JA		 465 if (icpu > max_cpu) {
466 log_err("fio: CPU %d too large (max=%ld)\n",
467 icpu, max_cpu);
468 ret = 1;
469 break;
470 }
0b9d69ec 471
62a7273d 472 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 473 fio_cpu_set(mask, icpu);
62a7273d
JA		 474 icpu++;
475 }
19608d6c
JA		 476 if (ret)
477 break;
d2e268b0
JA		 478 }
479
480 free(p);
19608d6c
JA		 481 if (!ret)
482 td->o.cpumask_set = 1;
483 return ret;
214e1eca 484}
e8462bd8
JA		 485
486static int str_cpus_allowed_cb(void *data, const char *input)
487{
488 struct thread_data *td = data;
489 int ret;
490
491 ret = set_cpus_allowed(td, &td->o.cpumask, input);
492 if (!ret)
493 td->o.cpumask_set = 1;
494
495 return ret;
496}
497
498static int str_verify_cpus_allowed_cb(void *data, const char *input)
499{
500 struct thread_data *td = data;
501 int ret;
502
503 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
504 if (!ret)
505 td->o.verify_cpumask_set = 1;
506
507 return ret;
508}
d2e268b0 509#endif
214e1eca 510
67bf9823 511#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 512static int str_numa_cpunodes_cb(void *data, char *input)
513{
514 struct thread_data *td = data;
515
516 /* numa_parse_nodestring() parses a character string list
517 * of nodes into a bit mask. The bit mask is allocated by
518 * numa_allocate_nodemask(), so it should be freed by
519 * numa_free_nodemask().
520 */
521 td->o.numa_cpunodesmask = numa_parse_nodestring(input);
522 if (td->o.numa_cpunodesmask == NULL) {
523 log_err("fio: numa_parse_nodestring failed\n");
524 td_verror(td, 1, "str_numa_cpunodes_cb");
525 return 1;
526 }
527
528 td->o.numa_cpumask_set = 1;
529 return 0;
530}
531
532static int str_numa_mpol_cb(void *data, char *input)
533{
534 struct thread_data *td = data;
535 const char * const policy_types[] =
536 { "default", "prefer", "bind", "interleave", "local" };
537 int i;
538
539 char *nodelist = strchr(input, ':');
540 if (nodelist) {
541 /* NUL-terminate mode */
542 *nodelist++ = '\0';
543 }
544
545 for (i = 0; i <= MPOL_LOCAL; i++) {
546 if (!strcmp(input, policy_types[i])) {
547 td->o.numa_mem_mode = i;
548 break;
549 }
550 }
551 if (i > MPOL_LOCAL) {
552 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
553 goto out;
554 }
555
556 switch (td->o.numa_mem_mode) {
557 case MPOL_PREFERRED:
558 /*
559 * Insist on a nodelist of one node only
560 */
561 if (nodelist) {
562 char *rest = nodelist;
563 while (isdigit(*rest))
564 rest++;
565 if (*rest) {
566 log_err("fio: one node only for \'prefer\'\n");
567 goto out;
568 }
569 } else {
570 log_err("fio: one node is needed for \'prefer\'\n");
571 goto out;
572 }
573 break;
574 case MPOL_INTERLEAVE:
575 /*
576 * Default to online nodes with memory if no nodelist
577 */
578 if (!nodelist)
579 nodelist = strdup("all");
580 break;
581 case MPOL_LOCAL:
582 case MPOL_DEFAULT:
583 /*
584 * Don't allow a nodelist
585 */
586 if (nodelist) {
587 log_err("fio: NO nodelist for \'local\'\n");
588 goto out;
589 }
590 break;
591 case MPOL_BIND:
592 /*
593 * Insist on a nodelist
594 */
595 if (!nodelist) {
596 log_err("fio: a nodelist is needed for \'bind\'\n");
597 goto out;
598 }
599 break;
600 }
601
602
603 /* numa_parse_nodestring() parses a character string list
604 * of nodes into a bit mask. The bit mask is allocated by
605 * numa_allocate_nodemask(), so it should be freed by
606 * numa_free_nodemask().
607 */
608 switch (td->o.numa_mem_mode) {
609 case MPOL_PREFERRED:
610 td->o.numa_mem_prefer_node = atoi(nodelist);
611 break;
612 case MPOL_INTERLEAVE:
613 case MPOL_BIND:
614 td->o.numa_memnodesmask = numa_parse_nodestring(nodelist);
615 if (td->o.numa_memnodesmask == NULL) {
616 log_err("fio: numa_parse_nodestring failed\n");
617 td_verror(td, 1, "str_numa_memnodes_cb");
618 return 1;
619 }
620 break;
621 case MPOL_LOCAL:
622 case MPOL_DEFAULT:
623 default:
624 break;
625 }
626
627 td->o.numa_memmask_set = 1;
628 return 0;
629
630out:
631 return 1;
632}
633#endif
634
214e1eca
JA		 635static int str_fst_cb(void *data, const char *str)
636{
637 struct thread_data *td = data;
638 char *nr = get_opt_postfix(str);
639
640 td->file_service_nr = 1;
182ec6ee 641 if (nr) {
214e1eca 642 td->file_service_nr = atoi(nr);
182ec6ee
JA		 643 free(nr);
644 }
214e1eca
JA		 645
646 return 0;
647}
648
67bf9823 649#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 650static int str_sfr_cb(void *data, const char *str)
651{
652 struct thread_data *td = data;
653 char *nr = get_opt_postfix(str);
654
655 td->sync_file_range_nr = 1;
656 if (nr) {
657 td->sync_file_range_nr = atoi(nr);
658 free(nr);
659 }
660
661 return 0;
662}
3ae06371 663#endif
44f29692 664
e25839d4
JA		 665static int str_random_distribution_cb(void *data, const char *str)
666{
667 struct thread_data *td = data;
668 double val;
669 char *nr;
670
925fee33
JA		 671 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
672 val = 1.1;
673 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
674 val = 0.2;
675 else
e25839d4
JA		 676 return 0;
677
678 nr = get_opt_postfix(str);
925fee33 679 if (nr && !str_to_float(nr, &val)) {
e25839d4
JA		 680 log_err("fio: random postfix parsing failed\n");
681 free(nr);
682 return 1;
683 }
684
078189c1
JA		 685 free(nr);
686
18ded917
JA		 687 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
688 if (val == 1.00) {
689 log_err("fio: zipf theta must different than 1.0\n");
690 return 1;
691 }
1e5324e7 692 td->o.zipf_theta.u.f = val;
18ded917 693 } else {
078189c1
JA		 694 if (val <= 0.00 || val >= 1.00) {
695 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
696 return 1;
697 }
1e5324e7 698 td->o.pareto_h.u.f = val;
fcef0b35 699 }
921c766f
JA		 700
701 return 0;
702}
703
8e827d35
JA		 704/*
705 * Return next file in the string. Files are separated with ':'. If the ':'
706 * is escaped with a '\', then that ':' is part of the filename and does not
707 * indicate a new file.
708 */
709static char *get_next_file_name(char **ptr)
710{
711 char *str = *ptr;
712 char *p, *start;
713
714 if (!str || !strlen(str))
715 return NULL;
716
717 start = str;
718 do {
719 /*
720 * No colon, we are done
721 */
722 p = strchr(str, ':');
723 if (!p) {
724 *ptr = NULL;
725 break;
726 }
727
728 /*
729 * We got a colon, but it's the first character. Skip and
730 * continue
731 */
732 if (p == start) {
733 str = ++start;
734 continue;
735 }
736
737 if (*(p - 1) != '\\') {
738 *p = '\0';
739 *ptr = p + 1;
740 break;
741 }
742
743 memmove(p - 1, p, strlen(p) + 1);
744 str = p;
745 } while (1);
746
747 return start;
748}
749
214e1eca
JA		 750static int str_filename_cb(void *data, const char *input)
751{
752 struct thread_data *td = data;
753 char *fname, *str, *p;
754
755 p = str = strdup(input);
756
757 strip_blank_front(&str);
758 strip_blank_end(str);
759
760 if (!td->files_index)
2dc1bbeb 761 td->o.nr_files = 0;
214e1eca 762
8e827d35 763 while ((fname = get_next_file_name(&str)) != NULL) {
214e1eca
JA		 764 if (!strlen(fname))
765 break;
766 add_file(td, fname);
2dc1bbeb 767 td->o.nr_files++;
214e1eca
JA		 768 }
769
770 free(p);
771 return 0;
772}
773
774static int str_directory_cb(void *data, const char fio_unused *str)
775{
776 struct thread_data *td = data;
777 struct stat sb;
778
2dc1bbeb 779 if (lstat(td->o.directory, &sb) < 0) {
921c766f
JA		 780 int ret = errno;
781
2dc1bbeb 782 log_err("fio: %s is not a directory\n", td->o.directory);
921c766f 783 td_verror(td, ret, "lstat");
214e1eca
JA		 784 return 1;
785 }
786 if (!S_ISDIR(sb.st_mode)) {
2dc1bbeb 787 log_err("fio: %s is not a directory\n", td->o.directory);
214e1eca
JA		 788 return 1;
789 }
790
791 return 0;
792}
793
794static int str_opendir_cb(void *data, const char fio_unused *str)
795{
796 struct thread_data *td = data;
797
798 if (!td->files_index)
2dc1bbeb 799 td->o.nr_files = 0;
214e1eca 800
2dc1bbeb 801 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 802}
803
0e92f873 804static int str_verify_pattern_cb(void *data, const char *input)
90059d65
JA		 805{
806 struct thread_data *td = data;
0e92f873
RR		 807 long off;
808 int i = 0, j = 0, len, k, base = 10;
3c3ed070 809 char *loc1, *loc2;
0e92f873
RR		 810
811 loc1 = strstr(input, "0x");
812 loc2 = strstr(input, "0X");
813 if (loc1 || loc2)
814 base = 16;
815 off = strtol(input, NULL, base);
816 if (off != LONG_MAX || errno != ERANGE) {
817 while (off) {
818 td->o.verify_pattern[i] = off & 0xff;
819 off >>= 8;
820 i++;
821 }
822 } else {
823 len = strlen(input);
824 k = len - 1;
825 if (base == 16) {
826 if (loc1)
827 j = loc1 - input + 2;
828 else
829 j = loc2 - input + 2;
830 } else
831 return 1;
832 if (len - j < MAX_PATTERN_SIZE * 2) {
833 while (k >= j) {
834 off = converthexchartoint(input[k--]);
835 if (k >= j)
836 off += (converthexchartoint(input[k--])
837 * 16);
838 td->o.verify_pattern[i++] = (char) off;
839 }
840 }
841 }
efcd9dcc
SL		 842
843 /*
844 * Fill the pattern all the way to the end. This greatly reduces
845 * the number of memcpy's we have to do when verifying the IO.
846 */
847 while (i > 1 && i * 2 <= MAX_PATTERN_SIZE) {
848 memcpy(&td->o.verify_pattern[i], &td->o.verify_pattern[0], i);
849 i *= 2;
850 }
9a2a86d0
SL		 851 if (i == 1) {
852 /*
853 * The code in verify_io_u_pattern assumes a single byte pattern
854 * fills the whole verify pattern buffer.
855 */
856 memset(td->o.verify_pattern, td->o.verify_pattern[0],
857 MAX_PATTERN_SIZE);
858 }
efcd9dcc 859
0e92f873 860 td->o.verify_pattern_bytes = i;
efcd9dcc 861
92bf48d5
JA		 862 /*
863 * VERIFY_META could already be set
864 */
865 if (td->o.verify == VERIFY_NONE)
866 td->o.verify = VERIFY_PATTERN;
efcd9dcc 867
90059d65
JA		 868 return 0;
869}
214e1eca 870
993bf48b
JA		 871static int str_gtod_reduce_cb(void *data, int *il)
872{
873 struct thread_data *td = data;
874 int val = *il;
875
02af0988 876 td->o.disable_lat = !!val;
993bf48b
JA		 877 td->o.disable_clat = !!val;
878 td->o.disable_slat = !!val;
879 td->o.disable_bw = !!val;
0dc1bc03 880 td->o.clat_percentiles = !val;
993bf48b
JA		 881 if (val)
882 td->tv_cache_mask = 63;
883
884 return 0;
885}
886
85bc833b 887static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA		 888{
889 struct thread_data *td = data;
890 int val = *il;
891
892 td->o.gtod_cpu = val;
893 td->o.gtod_offload = 1;
894 return 0;
895}
896
7bb59102
JA		 897static int str_size_cb(void *data, unsigned long long *__val)
898{
899 struct thread_data *td = data;
900 unsigned long long v = *__val;
901
902 if (parse_is_percent(v)) {
903 td->o.size = 0;
904 td->o.size_percent = -1ULL - v;
905 } else
906 td->o.size = v;
907
908 return 0;
909}
910
896cac2a
JA		 911static int rw_verify(struct fio_option *o, void *data)
912{
913 struct thread_data *td = data;
914
915 if (read_only && td_write(td)) {
916 log_err("fio: job <%s> has write bit set, but fio is in"
917 " read-only mode\n", td->o.name);
918 return 1;
919 }
920
921 return 0;
922}
923
276ca4f7 924static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 925{
276ca4f7 926#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 927 struct thread_data *td = data;
928
29d43ff9
JA		 929 if (td->o.gtod_cpu) {
930 log_err("fio: platform must support CPU affinity for"
931 "gettimeofday() offloading\n");
932 return 1;
933 }
934#endif
935
936 return 0;
937}
938
9af4a244
JA		 939/*
940 * Option grouping
941 */
942static struct opt_group fio_opt_groups[] = {
943 {
e8b0e958
JA		 944 .name = "General",
945 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 946 },
947 {
e8b0e958
JA		 948 .name = "I/O",
949 .mask = FIO_OPT_C_IO,
9af4a244
JA		 950 },
951 {
e8b0e958
JA		 952 .name = "File",
953 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 954 },
955 {
e8b0e958
JA		 956 .name = "Statistics",
957 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 958 },
959 {
e8b0e958
JA		 960 .name = "Logging",
961 .mask = FIO_OPT_C_LOG,
9af4a244 962 },
13fca827
JA		 963 {
964 .name = "Profiles",
965 .mask = FIO_OPT_C_PROFILE,
966 },
e231bbe6 967 {
e8b0e958 968 .name = NULL,
e231bbe6 969 },
e8b0e958
JA		 970};
971
972static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
973 unsigned int inv_mask)
974{
975 struct opt_group *og;
976 int i;
977
978 if (*mask == inv_mask || !*mask)
979 return NULL;
980
981 for (i = 0; ogs[i].name; i++) {
982 og = &ogs[i];
983
984 if (*mask & og->mask) {
985 *mask &= ~(og->mask);
986 return og;
987 }
988 }
989
990 return NULL;
991}
992
993struct opt_group *opt_group_from_mask(unsigned int *mask)
994{
995 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
996}
997
998static struct opt_group fio_opt_cat_groups[] = {
9af4a244 999 {
e8b0e958
JA		 1000 .name = "Rate",
1001 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1002 },
1003 {
e8b0e958
JA		 1004 .name = "Zone",
1005 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1006 },
1007 {
e8b0e958
JA		 1008 .name = "Read/write mix",
1009 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1010 },
1011 {
1012 .name = "Verify",
1013 .mask = FIO_OPT_G_VERIFY,
1014 },
1015 {
e8b0e958
JA		 1016 .name = "Trim",
1017 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1018 },
1019 {
e8b0e958
JA		 1020 .name = "I/O Logging",
1021 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1022 },
1023 {
e8b0e958
JA		 1024 .name = "I/O Depth",
1025 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1026 },
1027 {
e8b0e958
JA		 1028 .name = "I/O Flow",
1029 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1030 },
0626037e
JA		 1031 {
1032 .name = "Description",
1033 .mask = FIO_OPT_G_DESC,
1034 },
1035 {
1036 .name = "Filename",
1037 .mask = FIO_OPT_G_FILENAME,
1038 },
1039 {
1040 .name = "General I/O",
1041 .mask = FIO_OPT_G_IO_BASIC,
1042 },
a1f6afec
JA		 1043 {
1044 .name = "Cgroups",
1045 .mask = FIO_OPT_G_CGROUP,
1046 },
1047 {
1048 .name = "Runtime",
1049 .mask = FIO_OPT_G_RUNTIME,
1050 },
10860056
JA		 1051 {
1052 .name = "Process",
1053 .mask = FIO_OPT_G_PROCESS,
1054 },
1055 {
1056 .name = "Job credentials / priority",
1057 .mask = FIO_OPT_G_CRED,
1058 },
1059 {
1060 .name = "Clock settings",
1061 .mask = FIO_OPT_G_CLOCK,
1062 },
3ceb458f
JA		 1063 {
1064 .name = "I/O Type",
1065 .mask = FIO_OPT_G_IO_TYPE,
1066 },
1067 {
1068 .name = "I/O Thinktime",
1069 .mask = FIO_OPT_G_THINKTIME,
1070 },
1071 {
1072 .name = "Randomizations",
1073 .mask = FIO_OPT_G_RANDOM,
1074 },
1075 {
1076 .name = "I/O buffers",
1077 .mask = FIO_OPT_G_IO_BUF,
1078 },
13fca827
JA		 1079 {
1080 .name = "Tiobench profile",
1081 .mask = FIO_OPT_G_TIOBENCH,
1082 },
1083
9af4a244
JA		 1084 {
1085 .name = NULL,
e8b0e958 1086 }
9af4a244
JA		 1087};
1088
e8b0e958 1089struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1090{
e8b0e958 1091 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1092}
1093
214e1eca
JA		 1094/*
1095 * Map of job/command line options
1096 */
9af4a244 1097struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1098 {
1099 .name = "description",
e8b0e958 1100 .lname = "Description of job",
214e1eca
JA		 1101 .type = FIO_OPT_STR_STORE,
1102 .off1 = td_var_offset(description),
1103 .help = "Text job description",
e8b0e958 1104 .category = FIO_OPT_C_GENERAL,
0626037e 1105 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1106 },
1107 {
1108 .name = "name",
e8b0e958 1109 .lname = "Job name",
214e1eca
JA		 1110 .type = FIO_OPT_STR_STORE,
1111 .off1 = td_var_offset(name),
1112 .help = "Name of this job",
e8b0e958 1113 .category = FIO_OPT_C_GENERAL,
0626037e 1114 .group = FIO_OPT_G_DESC,
214e1eca 1115 },
214e1eca
JA		 1116 {
1117 .name = "filename",
e8b0e958 1118 .lname = "Filename(s)",
214e1eca
JA		 1119 .type = FIO_OPT_STR_STORE,
1120 .off1 = td_var_offset(filename),
1121 .cb = str_filename_cb,
f0d524b0 1122 .prio = -1, /* must come after "directory" */
214e1eca 1123 .help = "File(s) to use for the workload",
e8b0e958 1124 .category = FIO_OPT_C_FILE,
0626037e 1125 .group = FIO_OPT_G_FILENAME,
214e1eca 1126 },
90fef2d1 1127 {
e8b0e958
JA		 1128 .name = "directory",
1129 .lname = "Directory",
1130 .type = FIO_OPT_STR_STORE,
1131 .off1 = td_var_offset(directory),
1132 .cb = str_directory_cb,
1133 .help = "Directory to store files in",
1134 .category = FIO_OPT_C_FILE,
0626037e 1135 .group = FIO_OPT_G_FILENAME,
90fef2d1 1136 },
de98bd30
JA		 1137 {
1138 .name = "filename_format",
1139 .type = FIO_OPT_STR_STORE,
1140 .off1 = td_var_offset(filename_format),
1141 .prio = -1, /* must come after "directory" */
1142 .help = "Override default $jobname.$jobnum.$filenum naming",
1143 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1144 .category = FIO_OPT_C_FILE,
1145 .group = FIO_OPT_G_FILENAME,
ad705bcb 1146 },
29c1349f
JA		 1147 {
1148 .name = "lockfile",
e8b0e958 1149 .lname = "Lockfile",
4d4e80f2 1150 .type = FIO_OPT_STR,
4d4e80f2 1151 .off1 = td_var_offset(file_lock_mode),
29c1349f
JA		 1152 .help = "Lock file when doing IO to it",
1153 .parent = "filename",
d71c154c 1154 .hide = 0,
4d4e80f2 1155 .def = "none",
e8b0e958 1156 .category = FIO_OPT_C_FILE,
0626037e 1157 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1158 .posval = {
1159 { .ival = "none",
1160 .oval = FILE_LOCK_NONE,
1161 .help = "No file locking",
1162 },
1163 { .ival = "exclusive",
1164 .oval = FILE_LOCK_EXCLUSIVE,
1165 .help = "Exclusive file lock",
1166 },
1167 {
1168 .ival = "readwrite",
1169 .oval = FILE_LOCK_READWRITE,
1170 .help = "Read vs write lock",
1171 },
1172 },
29c1349f 1173 },
214e1eca
JA		 1174 {
1175 .name = "opendir",
e8b0e958 1176 .lname = "Open directory",
214e1eca
JA		 1177 .type = FIO_OPT_STR_STORE,
1178 .off1 = td_var_offset(opendir),
1179 .cb = str_opendir_cb,
1180 .help = "Recursively add files from this directory and down",
e8b0e958 1181 .category = FIO_OPT_C_FILE,
0626037e 1182 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1183 },
1184 {
1185 .name = "rw",
e8b0e958 1186 .lname = "Read/write",
d3aad8f2 1187 .alias = "readwrite",
214e1eca 1188 .type = FIO_OPT_STR,
211097b2 1189 .cb = str_rw_cb,
214e1eca
JA		 1190 .off1 = td_var_offset(td_ddir),
1191 .help = "IO direction",
1192 .def = "read",
896cac2a 1193 .verify = rw_verify,
e8b0e958 1194 .category = FIO_OPT_C_IO,
0626037e 1195 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1196 .posval = {
1197 { .ival = "read",
1198 .oval = TD_DDIR_READ,
1199 .help = "Sequential read",
1200 },
1201 { .ival = "write",
1202 .oval = TD_DDIR_WRITE,
1203 .help = "Sequential write",
1204 },
6eaf09d6
SL		 1205 { .ival = "trim",
1206 .oval = TD_DDIR_TRIM,
1207 .help = "Sequential trim",
1208 },
214e1eca
JA		 1209 { .ival = "randread",
1210 .oval = TD_DDIR_RANDREAD,
1211 .help = "Random read",
1212 },
1213 { .ival = "randwrite",
1214 .oval = TD_DDIR_RANDWRITE,
1215 .help = "Random write",
1216 },
6eaf09d6
SL		 1217 { .ival = "randtrim",
1218 .oval = TD_DDIR_RANDTRIM,
1219 .help = "Random trim",
1220 },
214e1eca
JA		 1221 { .ival = "rw",
1222 .oval = TD_DDIR_RW,
1223 .help = "Sequential read and write mix",
1224 },
10b023db
JA		 1225 { .ival = "readwrite",
1226 .oval = TD_DDIR_RW,
1227 .help = "Sequential read and write mix",
1228 },
214e1eca
JA		 1229 { .ival = "randrw",
1230 .oval = TD_DDIR_RANDRW,
1231 .help = "Random read and write mix"
1232 },
1233 },
1234 },
38dad62d
JA		 1235 {
1236 .name = "rw_sequencer",
e8b0e958 1237 .lname = "RW Sequencer",
38dad62d
JA		 1238 .type = FIO_OPT_STR,
1239 .off1 = td_var_offset(rw_seq),
1240 .help = "IO offset generator modifier",
1241 .def = "sequential",
e8b0e958 1242 .category = FIO_OPT_C_IO,
0626037e 1243 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1244 .posval = {
1245 { .ival = "sequential",
1246 .oval = RW_SEQ_SEQ,
1247 .help = "Generate sequential offsets",
1248 },
1249 { .ival = "identical",
1250 .oval = RW_SEQ_IDENT,
1251 .help = "Generate identical offsets",
1252 },
1253 },
1254 },
1255
214e1eca
JA		 1256 {
1257 .name = "ioengine",
e8b0e958 1258 .lname = "IO Engine",
214e1eca
JA		 1259 .type = FIO_OPT_STR_STORE,
1260 .off1 = td_var_offset(ioengine),
1261 .help = "IO engine to use",
58483fa4 1262 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1263 .category = FIO_OPT_C_IO,
0626037e 1264 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1265 .posval = {
1266 { .ival = "sync",
1267 .help = "Use read/write",
1268 },
a31041ea 1269 { .ival = "psync",
1270 .help = "Use pread/pwrite",
1271 },
1d2af02a 1272 { .ival = "vsync",
03e20d68 1273 .help = "Use readv/writev",
1d2af02a 1274 },
67bf9823 1275#ifdef CONFIG_LIBAIO
214e1eca
JA		 1276 { .ival = "libaio",
1277 .help = "Linux native asynchronous IO",
1278 },
1279#endif
67bf9823 1280#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1281 { .ival = "posixaio",
1282 .help = "POSIX asynchronous IO",
1283 },
417f0068 1284#endif
997843cb 1285#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1286 { .ival = "solarisaio",
1287 .help = "Solaris native asynchronous IO",
1288 },
214e1eca 1289#endif
4700b234 1290#ifdef CONFIG_WINDOWSAIO
03e20d68 1291 { .ival = "windowsaio",
3be80071 1292 .help = "Windows native asynchronous IO"
de890a1e 1293 },
3be80071 1294#endif
214e1eca 1295 { .ival = "mmap",
03e20d68 1296 .help = "Memory mapped IO"
214e1eca 1297 },
67bf9823 1298#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1299 { .ival = "splice",
1300 .help = "splice/vmsplice based IO",
1301 },
9cce02e8
JA		 1302 { .ival = "netsplice",
1303 .help = "splice/vmsplice to/from the network",
1304 },
214e1eca
JA		 1305#endif
1306#ifdef FIO_HAVE_SGIO
1307 { .ival = "sg",
1308 .help = "SCSI generic v3 IO",
1309 },
1310#endif
1311 { .ival = "null",
1312 .help = "Testing engine (no data transfer)",
1313 },
1314 { .ival = "net",
1315 .help = "Network IO",
1316 },
214e1eca 1317 { .ival = "cpuio",
03e20d68 1318 .help = "CPU cycle burner engine",
214e1eca 1319 },
67bf9823 1320#ifdef CONFIG_GUASI
b8c82a46
JA		 1321 { .ival = "guasi",
1322 .help = "GUASI IO engine",
1323 },
79a43187
JA		 1324#endif
1325#ifdef FIO_HAVE_BINJECT
1326 { .ival = "binject",
1327 .help = "binject direct inject block engine",
1328 },
21b8aee8 1329#endif
67bf9823 1330#ifdef CONFIG_RDMA
21b8aee8 1331 { .ival = "rdma",
1332 .help = "RDMA IO engine",
1333 },
8200b8c7 1334#endif
67bf9823 1335#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1336 { .ival = "fusion-aw-sync",
1337 .help = "Fusion-io atomic write engine",
1338 },
1ecc95ca 1339#endif
997843cb 1340#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1341 { .ival = "e4defrag",
1342 .help = "ext4 defrag engine",
1343 },
1344#endif
997843cb 1345#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1346 { .ival = "falloc",
1347 .help = "fallocate() file based engine",
1348 },
b8c82a46 1349#endif
214e1eca
JA		 1350 { .ival = "external",
1351 .help = "Load external engine (append name)",
1352 },
1353 },
1354 },
1355 {
1356 .name = "iodepth",
e8b0e958 1357 .lname = "IO Depth",
214e1eca
JA		 1358 .type = FIO_OPT_INT,
1359 .off1 = td_var_offset(iodepth),
03e20d68 1360 .help = "Number of IO buffers to keep in flight",
757aff4f 1361 .minval = 1,
20eb06bd 1362 .interval = 1,
214e1eca 1363 .def = "1",
e8b0e958 1364 .category = FIO_OPT_C_IO,
0626037e 1365 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1366 },
1367 {
1368 .name = "iodepth_batch",
e8b0e958 1369 .lname = "IO Depth batch",
4950421a 1370 .alias = "iodepth_batch_submit",
214e1eca
JA		 1371 .type = FIO_OPT_INT,
1372 .off1 = td_var_offset(iodepth_batch),
d65db441 1373 .help = "Number of IO buffers to submit in one go",
afdf9352 1374 .parent = "iodepth",
d71c154c 1375 .hide = 1,
a2e6f8ac 1376 .minval = 1,
20eb06bd 1377 .interval = 1,
a2e6f8ac 1378 .def = "1",
e8b0e958 1379 .category = FIO_OPT_C_IO,
0626037e 1380 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1381 },
1382 {
1383 .name = "iodepth_batch_complete",
e8b0e958 1384 .lname = "IO Depth batch complete",
4950421a
JA		 1385 .type = FIO_OPT_INT,
1386 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1387 .help = "Number of IO buffers to retrieve in one go",
4950421a 1388 .parent = "iodepth",
d71c154c 1389 .hide = 1,
4950421a 1390 .minval = 0,
20eb06bd 1391 .interval = 1,
4950421a 1392 .def = "1",
e8b0e958 1393 .category = FIO_OPT_C_IO,
0626037e 1394 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1395 },
1396 {
1397 .name = "iodepth_low",
e8b0e958 1398 .lname = "IO Depth batch low",
214e1eca
JA		 1399 .type = FIO_OPT_INT,
1400 .off1 = td_var_offset(iodepth_low),
1401 .help = "Low water mark for queuing depth",
afdf9352 1402 .parent = "iodepth",
d71c154c 1403 .hide = 1,
20eb06bd 1404 .interval = 1,
e8b0e958 1405 .category = FIO_OPT_C_IO,
0626037e 1406 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1407 },
1408 {
1409 .name = "size",
e8b0e958 1410 .lname = "Size",
214e1eca 1411 .type = FIO_OPT_STR_VAL,
7bb59102 1412 .cb = str_size_cb,
214e1eca 1413 .help = "Total size of device or files",
20eb06bd 1414 .interval = 1024 * 1024,
e8b0e958
JA		 1415 .category = FIO_OPT_C_IO,
1416 .group = FIO_OPT_G_INVALID,
214e1eca 1417 },
aa31f1f1
SL		 1418 {
1419 .name = "fill_device",
e8b0e958 1420 .lname = "Fill device",
74586c1e 1421 .alias = "fill_fs",
aa31f1f1
SL		 1422 .type = FIO_OPT_BOOL,
1423 .off1 = td_var_offset(fill_device),
1424 .help = "Write until an ENOSPC error occurs",
1425 .def = "0",
e8b0e958
JA		 1426 .category = FIO_OPT_C_FILE,
1427 .group = FIO_OPT_G_INVALID,
aa31f1f1 1428 },
214e1eca
JA		 1429 {
1430 .name = "filesize",
e8b0e958 1431 .lname = "File size",
214e1eca
JA		 1432 .type = FIO_OPT_STR_VAL,
1433 .off1 = td_var_offset(file_size_low),
1434 .off2 = td_var_offset(file_size_high),
c3edbdba 1435 .minval = 1,
214e1eca 1436 .help = "Size of individual files",
20eb06bd 1437 .interval = 1024 * 1024,
e8b0e958
JA		 1438 .category = FIO_OPT_C_FILE,
1439 .group = FIO_OPT_G_INVALID,
214e1eca 1440 },
67a1000f
JA		 1441 {
1442 .name = "offset",
e8b0e958 1443 .lname = "IO offset",
67a1000f
JA		 1444 .alias = "fileoffset",
1445 .type = FIO_OPT_STR_VAL,
1446 .off1 = td_var_offset(start_offset),
1447 .help = "Start IO from this offset",
1448 .def = "0",
20eb06bd 1449 .interval = 1024 * 1024,
e8b0e958
JA		 1450 .category = FIO_OPT_C_IO,
1451 .group = FIO_OPT_G_INVALID,
67a1000f 1452 },
2d7cd868
JA		 1453 {
1454 .name = "offset_increment",
e8b0e958 1455 .lname = "IO offset increment",
2d7cd868
JA		 1456 .type = FIO_OPT_STR_VAL,
1457 .off1 = td_var_offset(offset_increment),
1458 .help = "What is the increment from one offset to the next",
1459 .parent = "offset",
d71c154c 1460 .hide = 1,
2d7cd868 1461 .def = "0",
20eb06bd 1462 .interval = 1024 * 1024,
e8b0e958
JA		 1463 .category = FIO_OPT_C_IO,
1464 .group = FIO_OPT_G_INVALID,
2d7cd868 1465 },
214e1eca
JA		 1466 {
1467 .name = "bs",
e8b0e958 1468 .lname = "Block size",
d3aad8f2 1469 .alias = "blocksize",
e01b22b8 1470 .type = FIO_OPT_INT,
214e1eca
JA		 1471 .off1 = td_var_offset(bs[DDIR_READ]),
1472 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1473 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1474 .minval = 1,
214e1eca
JA		 1475 .help = "Block size unit",
1476 .def = "4k",
67a1000f 1477 .parent = "rw",
d71c154c 1478 .hide = 1,
20eb06bd 1479 .interval = 512,
e8b0e958
JA		 1480 .category = FIO_OPT_C_IO,
1481 .group = FIO_OPT_G_INVALID,
214e1eca 1482 },
2b7a01d0
JA		 1483 {
1484 .name = "ba",
e8b0e958 1485 .lname = "Block size align",
2b7a01d0 1486 .alias = "blockalign",
e01b22b8 1487 .type = FIO_OPT_INT,
2b7a01d0
JA		 1488 .off1 = td_var_offset(ba[DDIR_READ]),
1489 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1490 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1491 .minval = 1,
1492 .help = "IO block offset alignment",
1493 .parent = "rw",
d71c154c 1494 .hide = 1,
20eb06bd 1495 .interval = 512,
e8b0e958
JA		 1496 .category = FIO_OPT_C_IO,
1497 .group = FIO_OPT_G_INVALID,
2b7a01d0 1498 },
214e1eca
JA		 1499 {
1500 .name = "bsrange",
e8b0e958 1501 .lname = "Block size range",
d3aad8f2 1502 .alias = "blocksize_range",
214e1eca
JA		 1503 .type = FIO_OPT_RANGE,
1504 .off1 = td_var_offset(min_bs[DDIR_READ]),
1505 .off2 = td_var_offset(max_bs[DDIR_READ]),
1506 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1507 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1508 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1509 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1510 .minval = 1,
214e1eca 1511 .help = "Set block size range (in more detail than bs)",
67a1000f 1512 .parent = "rw",
d71c154c 1513 .hide = 1,
20eb06bd 1514 .interval = 4096,
e8b0e958
JA		 1515 .category = FIO_OPT_C_IO,
1516 .group = FIO_OPT_G_INVALID,
214e1eca 1517 },
564ca972
JA		 1518 {
1519 .name = "bssplit",
e8b0e958 1520 .lname = "Block size split",
564ca972
JA		 1521 .type = FIO_OPT_STR,
1522 .cb = str_bssplit_cb,
1523 .help = "Set a specific mix of block sizes",
1524 .parent = "rw",
d71c154c 1525 .hide = 1,
e8b0e958
JA		 1526 .category = FIO_OPT_C_IO,
1527 .group = FIO_OPT_G_INVALID,
564ca972 1528 },
214e1eca
JA		 1529 {
1530 .name = "bs_unaligned",
e8b0e958 1531 .lname = "Block size unaligned",
d3aad8f2 1532 .alias = "blocksize_unaligned",
214e1eca
JA		 1533 .type = FIO_OPT_STR_SET,
1534 .off1 = td_var_offset(bs_unaligned),
1535 .help = "Don't sector align IO buffer sizes",
67a1000f 1536 .parent = "rw",
d71c154c 1537 .hide = 1,
e8b0e958
JA		 1538 .category = FIO_OPT_C_IO,
1539 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1540 },
1541 {
1542 .name = "randrepeat",
e8b0e958 1543 .lname = "Random repeatable",
214e1eca
JA		 1544 .type = FIO_OPT_BOOL,
1545 .off1 = td_var_offset(rand_repeatable),
1546 .help = "Use repeatable random IO pattern",
1547 .def = "1",
67a1000f 1548 .parent = "rw",
d71c154c 1549 .hide = 1,
e8b0e958 1550 .category = FIO_OPT_C_IO,
3ceb458f 1551 .group = FIO_OPT_G_RANDOM,
214e1eca 1552 },
2615cc4b
JA		 1553 {
1554 .name = "use_os_rand",
e8b0e958 1555 .lname = "Use OS random",
2615cc4b
JA		 1556 .type = FIO_OPT_BOOL,
1557 .off1 = td_var_offset(use_os_rand),
1558 .help = "Set to use OS random generator",
1559 .def = "0",
1560 .parent = "rw",
d71c154c 1561 .hide = 1,
e8b0e958 1562 .category = FIO_OPT_C_IO,
3ceb458f 1563 .group = FIO_OPT_G_RANDOM,
2615cc4b 1564 },
214e1eca
JA		 1565 {
1566 .name = "norandommap",
e8b0e958 1567 .lname = "No randommap",
214e1eca
JA		 1568 .type = FIO_OPT_STR_SET,
1569 .off1 = td_var_offset(norandommap),
1570 .help = "Accept potential duplicate random blocks",
67a1000f 1571 .parent = "rw",
d71c154c 1572 .hide = 1,
b2452a43 1573 .hide_on_set = 1,
e8b0e958 1574 .category = FIO_OPT_C_IO,
3ceb458f 1575 .group = FIO_OPT_G_RANDOM,
214e1eca 1576 },
2b386d25
JA		 1577 {
1578 .name = "softrandommap",
e8b0e958 1579 .lname = "Soft randommap",
2b386d25
JA		 1580 .type = FIO_OPT_BOOL,
1581 .off1 = td_var_offset(softrandommap),
f66ab3c8 1582 .help = "Set norandommap if randommap allocation fails",
2b386d25 1583 .parent = "norandommap",
d71c154c 1584 .hide = 1,
2b386d25 1585 .def = "0",
e8b0e958 1586 .category = FIO_OPT_C_IO,
3ceb458f 1587 .group = FIO_OPT_G_RANDOM,
2b386d25 1588 },
8055e41d
JA		 1589 {
1590 .name = "random_generator",
1591 .type = FIO_OPT_STR,
1592 .off1 = td_var_offset(random_generator),
1593 .help = "Type of random number generator to use",
1594 .def = "tausworthe",
1595 .posval = {
1596 { .ival = "tausworthe",
1597 .oval = FIO_RAND_GEN_TAUSWORTHE,
1598 .help = "Strong Tausworthe generator",
1599 },
1600 { .ival = "lfsr",
1601 .oval = FIO_RAND_GEN_LFSR,
1602 .help = "Variable length LFSR",
1603 },
1604 },
48107598
JA		 1605 .category = FIO_OPT_C_IO,
1606 .group = FIO_OPT_G_RANDOM,
8055e41d 1607 },
e25839d4
JA		 1608 {
1609 .name = "random_distribution",
1610 .type = FIO_OPT_STR,
1611 .off1 = td_var_offset(random_distribution),
1612 .cb = str_random_distribution_cb,
1613 .help = "Random offset distribution generator",
1614 .def = "random",
1615 .posval = {
1616 { .ival = "random",
1617 .oval = FIO_RAND_DIST_RANDOM,
1618 .help = "Completely random",
1619 },
1620 { .ival = "zipf",
1621 .oval = FIO_RAND_DIST_ZIPF,
1622 .help = "Zipf distribution",
1623 },
925fee33
JA		 1624 { .ival = "pareto",
1625 .oval = FIO_RAND_DIST_PARETO,
1626 .help = "Pareto distribution",
1627 },
e25839d4 1628 },
48107598
JA		 1629 .category = FIO_OPT_C_IO,
1630 .group = FIO_OPT_G_RANDOM,
e25839d4 1631 },
214e1eca
JA		 1632 {
1633 .name = "nrfiles",
e8b0e958 1634 .lname = "Number of files",
d7c8be03 1635 .alias = "nr_files",
214e1eca
JA		 1636 .type = FIO_OPT_INT,
1637 .off1 = td_var_offset(nr_files),
1638 .help = "Split job workload between this number of files",
1639 .def = "1",
20eb06bd 1640 .interval = 1,
e8b0e958
JA		 1641 .category = FIO_OPT_C_FILE,
1642 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1643 },
1644 {
1645 .name = "openfiles",
e8b0e958 1646 .lname = "Number of open files",
214e1eca
JA		 1647 .type = FIO_OPT_INT,
1648 .off1 = td_var_offset(open_files),
1649 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1650 .category = FIO_OPT_C_FILE,
1651 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1652 },
1653 {
1654 .name = "file_service_type",
e8b0e958 1655 .lname = "File service type",
214e1eca
JA		 1656 .type = FIO_OPT_STR,
1657 .cb = str_fst_cb,
1658 .off1 = td_var_offset(file_service_type),
1659 .help = "How to select which file to service next",
1660 .def = "roundrobin",
e8b0e958
JA		 1661 .category = FIO_OPT_C_FILE,
1662 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1663 .posval = {
1664 { .ival = "random",
1665 .oval = FIO_FSERVICE_RANDOM,
1666 .help = "Choose a file at random",
1667 },
1668 { .ival = "roundrobin",
1669 .oval = FIO_FSERVICE_RR,
1670 .help = "Round robin select files",
1671 },
a086c257
JA		 1672 { .ival = "sequential",
1673 .oval = FIO_FSERVICE_SEQ,
1674 .help = "Finish one file before moving to the next",
1675 },
214e1eca 1676 },
67a1000f 1677 .parent = "nrfiles",
d71c154c 1678 .hide = 1,
67a1000f 1679 },
97ac992c 1680#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 1681 {
1682 .name = "fallocate",
e8b0e958 1683 .lname = "Fallocate",
a596f047
EG		 1684 .type = FIO_OPT_STR,
1685 .off1 = td_var_offset(fallocate_mode),
1686 .help = "Whether pre-allocation is performed when laying out files",
1687 .def = "posix",
e8b0e958
JA		 1688 .category = FIO_OPT_C_FILE,
1689 .group = FIO_OPT_G_INVALID,
a596f047
EG		 1690 .posval = {
1691 { .ival = "none",
1692 .oval = FIO_FALLOCATE_NONE,
1693 .help = "Do not pre-allocate space",
1694 },
1695 { .ival = "posix",
1696 .oval = FIO_FALLOCATE_POSIX,
1697 .help = "Use posix_fallocate()",
1698 },
97ac992c 1699#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 1700 { .ival = "keep",
1701 .oval = FIO_FALLOCATE_KEEP_SIZE,
1702 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1703 },
7bc8c2cf 1704#endif
a596f047
EG		 1705 /* Compatibility with former boolean values */
1706 { .ival = "0",
1707 .oval = FIO_FALLOCATE_NONE,
1708 .help = "Alias for 'none'",
1709 },
1710 { .ival = "1",
1711 .oval = FIO_FALLOCATE_POSIX,
1712 .help = "Alias for 'posix'",
1713 },
1714 },
1715 },
97ac992c 1716#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 1717 {
1718 .name = "fadvise_hint",
e8b0e958 1719 .lname = "Fadvise hint",
67a1000f
JA		 1720 .type = FIO_OPT_BOOL,
1721 .off1 = td_var_offset(fadvise_hint),
1722 .help = "Use fadvise() to advise the kernel on IO pattern",
1723 .def = "1",
e8b0e958
JA		 1724 .category = FIO_OPT_C_FILE,
1725 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1726 },
1727 {
1728 .name = "fsync",
e8b0e958 1729 .lname = "Fsync",
214e1eca
JA		 1730 .type = FIO_OPT_INT,
1731 .off1 = td_var_offset(fsync_blocks),
1732 .help = "Issue fsync for writes every given number of blocks",
1733 .def = "0",
20eb06bd 1734 .interval = 1,
e8b0e958
JA		 1735 .category = FIO_OPT_C_FILE,
1736 .group = FIO_OPT_G_INVALID,
214e1eca 1737 },
5f9099ea
JA		 1738 {
1739 .name = "fdatasync",
e8b0e958 1740 .lname = "Fdatasync",
5f9099ea
JA		 1741 .type = FIO_OPT_INT,
1742 .off1 = td_var_offset(fdatasync_blocks),
1743 .help = "Issue fdatasync for writes every given number of blocks",
1744 .def = "0",
20eb06bd 1745 .interval = 1,
e8b0e958
JA		 1746 .category = FIO_OPT_C_FILE,
1747 .group = FIO_OPT_G_INVALID,
5f9099ea 1748 },
1ef2b6be
JA		 1749 {
1750 .name = "write_barrier",
e8b0e958 1751 .lname = "Write barrier",
1ef2b6be
JA		 1752 .type = FIO_OPT_INT,
1753 .off1 = td_var_offset(barrier_blocks),
1754 .help = "Make every Nth write a barrier write",
1755 .def = "0",
20eb06bd 1756 .interval = 1,
e8b0e958
JA		 1757 .category = FIO_OPT_C_IO,
1758 .group = FIO_OPT_G_INVALID,
1ef2b6be 1759 },
67bf9823 1760#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 1761 {
1762 .name = "sync_file_range",
e8b0e958 1763 .lname = "Sync file range",
44f29692
JA		 1764 .posval = {
1765 { .ival = "wait_before",
1766 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
1767 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
3843deb3 1768 .or = 1,
44f29692
JA		 1769 },
1770 { .ival = "write",
1771 .oval = SYNC_FILE_RANGE_WRITE,
1772 .help = "SYNC_FILE_RANGE_WRITE",
3843deb3 1773 .or = 1,
44f29692
JA		 1774 },
1775 {
1776 .ival = "wait_after",
1777 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
1778 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
3843deb3 1779 .or = 1,
44f29692
JA		 1780 },
1781 },
3843deb3 1782 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 1783 .cb = str_sfr_cb,
1784 .off1 = td_var_offset(sync_file_range),
1785 .help = "Use sync_file_range()",
e8b0e958
JA		 1786 .category = FIO_OPT_C_FILE,
1787 .group = FIO_OPT_G_INVALID,
44f29692
JA		 1788 },
1789#endif
214e1eca
JA		 1790 {
1791 .name = "direct",
e8b0e958 1792 .lname = "Direct I/O",
214e1eca
JA		 1793 .type = FIO_OPT_BOOL,
1794 .off1 = td_var_offset(odirect),
1795 .help = "Use O_DIRECT IO (negates buffered)",
1796 .def = "0",
a01a1bc5 1797 .inverse = "buffered",
e8b0e958 1798 .category = FIO_OPT_C_IO,
3ceb458f 1799 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 1800 },
1801 {
1802 .name = "buffered",
e8b0e958 1803 .lname = "Buffered I/O",
214e1eca
JA		 1804 .type = FIO_OPT_BOOL,
1805 .off1 = td_var_offset(odirect),
1806 .neg = 1,
1807 .help = "Use buffered IO (negates direct)",
1808 .def = "1",
a01a1bc5 1809 .inverse = "direct",
e8b0e958 1810 .category = FIO_OPT_C_IO,
3ceb458f 1811 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 1812 },
1813 {
1814 .name = "overwrite",
e8b0e958 1815 .lname = "Overwrite",
214e1eca
JA		 1816 .type = FIO_OPT_BOOL,
1817 .off1 = td_var_offset(overwrite),
1818 .help = "When writing, set whether to overwrite current data",
1819 .def = "0",
e8b0e958
JA		 1820 .category = FIO_OPT_C_FILE,
1821 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1822 },
1823 {
1824 .name = "loops",
e8b0e958 1825 .lname = "Loops",
214e1eca
JA		 1826 .type = FIO_OPT_INT,
1827 .off1 = td_var_offset(loops),
1828 .help = "Number of times to run the job",
1829 .def = "1",
20eb06bd 1830 .interval = 1,
e8b0e958 1831 .category = FIO_OPT_C_GENERAL,
a1f6afec 1832 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 1833 },
1834 {
1835 .name = "numjobs",
e8b0e958 1836 .lname = "Number of jobs",
214e1eca
JA		 1837 .type = FIO_OPT_INT,
1838 .off1 = td_var_offset(numjobs),
1839 .help = "Duplicate this job this many times",
1840 .def = "1",
20eb06bd 1841 .interval = 1,
e8b0e958 1842 .category = FIO_OPT_C_GENERAL,
a1f6afec 1843 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 1844 },
1845 {
1846 .name = "startdelay",
e8b0e958 1847 .lname = "Start delay",
a5737c93 1848 .type = FIO_OPT_STR_VAL_TIME,
214e1eca
JA		 1849 .off1 = td_var_offset(start_delay),
1850 .help = "Only start job when this period has passed",
1851 .def = "0",
e8b0e958 1852 .category = FIO_OPT_C_GENERAL,
a1f6afec 1853 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 1854 },
1855 {
1856 .name = "runtime",
e8b0e958 1857 .lname = "Runtime",
214e1eca
JA		 1858 .alias = "timeout",
1859 .type = FIO_OPT_STR_VAL_TIME,
1860 .off1 = td_var_offset(timeout),
1861 .help = "Stop workload when this amount of time has passed",
1862 .def = "0",
e8b0e958 1863 .category = FIO_OPT_C_GENERAL,
a1f6afec 1864 .group = FIO_OPT_G_RUNTIME,
214e1eca 1865 },
cf4464ca
JA		 1866 {
1867 .name = "time_based",
e8b0e958 1868 .lname = "Time based",
cf4464ca
JA		 1869 .type = FIO_OPT_STR_SET,
1870 .off1 = td_var_offset(time_based),
1871 .help = "Keep running until runtime/timeout is met",
e8b0e958 1872 .category = FIO_OPT_C_GENERAL,
a1f6afec 1873 .group = FIO_OPT_G_RUNTIME,
cf4464ca 1874 },
721938ae
JA		 1875 {
1876 .name = "ramp_time",
e8b0e958 1877 .lname = "Ramp time",
721938ae
JA		 1878 .type = FIO_OPT_STR_VAL_TIME,
1879 .off1 = td_var_offset(ramp_time),
1880 .help = "Ramp up time before measuring performance",
e8b0e958 1881 .category = FIO_OPT_C_GENERAL,
a1f6afec 1882 .group = FIO_OPT_G_RUNTIME,
721938ae 1883 },
c223da83
JA		 1884 {
1885 .name = "clocksource",
e8b0e958 1886 .lname = "Clock source",
c223da83
JA		 1887 .type = FIO_OPT_STR,
1888 .cb = fio_clock_source_cb,
1889 .off1 = td_var_offset(clocksource),
1890 .help = "What type of timing source to use",
e8b0e958 1891 .category = FIO_OPT_C_GENERAL,
10860056 1892 .group = FIO_OPT_G_CLOCK,
c223da83 1893 .posval = {
67bf9823 1894#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 1895 { .ival = "gettimeofday",
1896 .oval = CS_GTOD,
1897 .help = "Use gettimeofday(2) for timing",
1898 },
67bf9823
JA		 1899#endif
1900#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 1901 { .ival = "clock_gettime",
1902 .oval = CS_CGETTIME,
1903 .help = "Use clock_gettime(2) for timing",
1904 },
67bf9823 1905#endif
c223da83
JA		 1906#ifdef ARCH_HAVE_CPU_CLOCK
1907 { .ival = "cpu",
1908 .oval = CS_CPUCLOCK,
1909 .help = "Use CPU private clock",
1910 },
1911#endif
1912 },
1913 },
214e1eca
JA		 1914 {
1915 .name = "mem",
d3aad8f2 1916 .alias = "iomem",
e8b0e958 1917 .lname = "I/O Memory",
214e1eca
JA		 1918 .type = FIO_OPT_STR,
1919 .cb = str_mem_cb,
1920 .off1 = td_var_offset(mem_type),
1921 .help = "Backing type for IO buffers",
1922 .def = "malloc",
e8b0e958
JA		 1923 .category = FIO_OPT_C_IO,
1924 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1925 .posval = {
1926 { .ival = "malloc",
1927 .oval = MEM_MALLOC,
1928 .help = "Use malloc(3) for IO buffers",
1929 },
37c8cdfe
JA		 1930 { .ival = "shm",
1931 .oval = MEM_SHM,
1932 .help = "Use shared memory segments for IO buffers",
1933 },
214e1eca
JA		 1934#ifdef FIO_HAVE_HUGETLB
1935 { .ival = "shmhuge",
1936 .oval = MEM_SHMHUGE,
1937 .help = "Like shm, but use huge pages",
1938 },
b370e46a 1939#endif
37c8cdfe
JA		 1940 { .ival = "mmap",
1941 .oval = MEM_MMAP,
1942 .help = "Use mmap(2) (file or anon) for IO buffers",
1943 },
214e1eca
JA		 1944#ifdef FIO_HAVE_HUGETLB
1945 { .ival = "mmaphuge",
1946 .oval = MEM_MMAPHUGE,
1947 .help = "Like mmap, but use huge pages",
1948 },
1949#endif
1950 },
1951 },
d529ee19
JA		 1952 {
1953 .name = "iomem_align",
1954 .alias = "mem_align",
e8b0e958 1955 .lname = "I/O memory alignment",
d529ee19
JA		 1956 .type = FIO_OPT_INT,
1957 .off1 = td_var_offset(mem_align),
1958 .minval = 0,
1959 .help = "IO memory buffer offset alignment",
1960 .def = "0",
1961 .parent = "iomem",
d71c154c 1962 .hide = 1,
e8b0e958
JA		 1963 .category = FIO_OPT_C_IO,
1964 .group = FIO_OPT_G_INVALID,
d529ee19 1965 },
214e1eca
JA		 1966 {
1967 .name = "verify",
e8b0e958 1968 .lname = "Verify",
214e1eca
JA		 1969 .type = FIO_OPT_STR,
1970 .off1 = td_var_offset(verify),
1971 .help = "Verify data written",
1972 .def = "0",
e8b0e958 1973 .category = FIO_OPT_C_IO,
3ceb458f 1974 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 1975 .posval = {
1976 { .ival = "0",
1977 .oval = VERIFY_NONE,
1978 .help = "Don't do IO verification",
1979 },
fcca4b58
JA		 1980 { .ival = "md5",
1981 .oval = VERIFY_MD5,
1982 .help = "Use md5 checksums for verification",
1983 },
d77a7af3
JA		 1984 { .ival = "crc64",
1985 .oval = VERIFY_CRC64,
1986 .help = "Use crc64 checksums for verification",
1987 },
214e1eca
JA		 1988 { .ival = "crc32",
1989 .oval = VERIFY_CRC32,
1990 .help = "Use crc32 checksums for verification",
1991 },
af497e6a 1992 { .ival = "crc32c-intel",
e3aaafc4
JA		 1993 .oval = VERIFY_CRC32C,
1994 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 1995 },
bac39e0e
JA		 1996 { .ival = "crc32c",
1997 .oval = VERIFY_CRC32C,
e3aaafc4 1998 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 1999 },
969f7ed3
JA		 2000 { .ival = "crc16",
2001 .oval = VERIFY_CRC16,
2002 .help = "Use crc16 checksums for verification",
2003 },
1e154bdb
JA		 2004 { .ival = "crc7",
2005 .oval = VERIFY_CRC7,
2006 .help = "Use crc7 checksums for verification",
2007 },
7c353ceb
JA		 2008 { .ival = "sha1",
2009 .oval = VERIFY_SHA1,
2010 .help = "Use sha1 checksums for verification",
2011 },
cd14cc10
JA		 2012 { .ival = "sha256",
2013 .oval = VERIFY_SHA256,
2014 .help = "Use sha256 checksums for verification",
2015 },
2016 { .ival = "sha512",
2017 .oval = VERIFY_SHA512,
2018 .help = "Use sha512 checksums for verification",
2019 },
7437ee87
SL		 2020 { .ival = "meta",
2021 .oval = VERIFY_META,
2022 .help = "Use io information",
2023 },
36690c9b
JA		 2024 {
2025 .ival = "null",
2026 .oval = VERIFY_NULL,
2027 .help = "Pretend to verify",
2028 },
214e1eca
JA		 2029 },
2030 },
005c565a
JA		 2031 {
2032 .name = "do_verify",
e8b0e958 2033 .lname = "Perform verify step",
68e1f29a 2034 .type = FIO_OPT_BOOL,
005c565a
JA		 2035 .off1 = td_var_offset(do_verify),
2036 .help = "Run verification stage after write",
2037 .def = "1",
2038 .parent = "verify",
d71c154c 2039 .hide = 1,
e8b0e958
JA		 2040 .category = FIO_OPT_C_IO,
2041 .group = FIO_OPT_G_VERIFY,
005c565a 2042 },
160b966d
JA		 2043 {
2044 .name = "verifysort",
e8b0e958 2045 .lname = "Verify sort",
160b966d
JA		 2046 .type = FIO_OPT_BOOL,
2047 .off1 = td_var_offset(verifysort),
2048 .help = "Sort written verify blocks for read back",
2049 .def = "1",
c83f2df1 2050 .parent = "verify",
d71c154c 2051 .hide = 1,
e8b0e958
JA		 2052 .category = FIO_OPT_C_IO,
2053 .group = FIO_OPT_G_VERIFY,
160b966d 2054 },
1ae83d45
JA		 2055 {
2056 .name = "verifysort_nr",
2057 .type = FIO_OPT_INT,
2058 .off1 = td_var_offset(verifysort_nr),
2059 .help = "Pre-load and sort verify blocks for a read workload",
2060 .minval = 0,
2061 .maxval = 131072,
2062 .def = "1024",
2063 .parent = "verify",
836fcc0f
JA		 2064 .category = FIO_OPT_C_IO,
2065 .group = FIO_OPT_G_VERIFY,
1ae83d45 2066 },
3f9f4e26 2067 {
a59e170d 2068 .name = "verify_interval",
e8b0e958 2069 .lname = "Verify interval",
e01b22b8 2070 .type = FIO_OPT_INT,
a59e170d 2071 .off1 = td_var_offset(verify_interval),
819a9680 2072 .minval = 2 * sizeof(struct verify_header),
a59e170d 2073 .help = "Store verify buffer header every N bytes",
afdf9352 2074 .parent = "verify",
d71c154c 2075 .hide = 1,
20eb06bd 2076 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2077 .category = FIO_OPT_C_IO,
2078 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2079 },
546a9142 2080 {
a59e170d 2081 .name = "verify_offset",
e8b0e958 2082 .lname = "Verify offset",
e01b22b8 2083 .type = FIO_OPT_INT,
a59e170d 2084 .help = "Offset verify header location by N bytes",
203160d5
JA		 2085 .off1 = td_var_offset(verify_offset),
2086 .minval = sizeof(struct verify_header),
afdf9352 2087 .parent = "verify",
d71c154c 2088 .hide = 1,
e8b0e958
JA		 2089 .category = FIO_OPT_C_IO,
2090 .group = FIO_OPT_G_VERIFY,
546a9142 2091 },
e28218f3
SL		 2092 {
2093 .name = "verify_pattern",
e8b0e958 2094 .lname = "Verify pattern",
0e92f873 2095 .type = FIO_OPT_STR,
e28218f3
SL		 2096 .cb = str_verify_pattern_cb,
2097 .help = "Fill pattern for IO buffers",
2098 .parent = "verify",
d71c154c 2099 .hide = 1,
e8b0e958
JA		 2100 .category = FIO_OPT_C_IO,
2101 .group = FIO_OPT_G_VERIFY,
e28218f3 2102 },
a12a3b4d
JA		 2103 {
2104 .name = "verify_fatal",
e8b0e958 2105 .lname = "Verify fatal",
68e1f29a 2106 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2107 .off1 = td_var_offset(verify_fatal),
2108 .def = "0",
2109 .help = "Exit on a single verify failure, don't continue",
2110 .parent = "verify",
d71c154c 2111 .hide = 1,
e8b0e958
JA		 2112 .category = FIO_OPT_C_IO,
2113 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2114 },
b463e936
JA		 2115 {
2116 .name = "verify_dump",
e8b0e958 2117 .lname = "Verify dump",
b463e936
JA		 2118 .type = FIO_OPT_BOOL,
2119 .off1 = td_var_offset(verify_dump),
ef71e317 2120 .def = "0",
b463e936
JA		 2121 .help = "Dump contents of good and bad blocks on failure",
2122 .parent = "verify",
d71c154c 2123 .hide = 1,
e8b0e958
JA		 2124 .category = FIO_OPT_C_IO,
2125 .group = FIO_OPT_G_VERIFY,
b463e936 2126 },
e8462bd8
JA		 2127 {
2128 .name = "verify_async",
e8b0e958 2129 .lname = "Verify asynchronously",
e8462bd8
JA		 2130 .type = FIO_OPT_INT,
2131 .off1 = td_var_offset(verify_async),
2132 .def = "0",
2133 .help = "Number of async verifier threads to use",
2134 .parent = "verify",
d71c154c 2135 .hide = 1,
e8b0e958
JA		 2136 .category = FIO_OPT_C_IO,
2137 .group = FIO_OPT_G_VERIFY,
e8462bd8 2138 },
9e144189
JA		 2139 {
2140 .name = "verify_backlog",
e8b0e958 2141 .lname = "Verify backlog",
9e144189
JA		 2142 .type = FIO_OPT_STR_VAL,
2143 .off1 = td_var_offset(verify_backlog),
2144 .help = "Verify after this number of blocks are written",
2145 .parent = "verify",
d71c154c 2146 .hide = 1,
e8b0e958
JA		 2147 .category = FIO_OPT_C_IO,
2148 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2149 },
2150 {
2151 .name = "verify_backlog_batch",
e8b0e958 2152 .lname = "Verify backlog batch",
9e144189
JA		 2153 .type = FIO_OPT_INT,
2154 .off1 = td_var_offset(verify_batch),
2155 .help = "Verify this number of IO blocks",
0d29de83 2156 .parent = "verify",
d71c154c 2157 .hide = 1,
e8b0e958
JA		 2158 .category = FIO_OPT_C_IO,
2159 .group = FIO_OPT_G_VERIFY,
9e144189 2160 },
e8462bd8
JA		 2161#ifdef FIO_HAVE_CPU_AFFINITY
2162 {
2163 .name = "verify_async_cpus",
e8b0e958 2164 .lname = "Async verify CPUs",
e8462bd8
JA		 2165 .type = FIO_OPT_STR,
2166 .cb = str_verify_cpus_allowed_cb,
2167 .help = "Set CPUs allowed for async verify threads",
2168 .parent = "verify_async",
d71c154c 2169 .hide = 1,
e8b0e958
JA		 2170 .category = FIO_OPT_C_IO,
2171 .group = FIO_OPT_G_VERIFY,
e8462bd8 2172 },
0d29de83 2173#endif
51aa2da8
JA		 2174 {
2175 .name = "experimental_verify",
2176 .off1 = td_var_offset(experimental_verify),
2177 .type = FIO_OPT_BOOL,
b31eaac9 2178 .help = "Enable experimental verification",
836fcc0f
JA		 2179 .category = FIO_OPT_C_IO,
2180 .group = FIO_OPT_G_VERIFY,
51aa2da8 2181 },
0d29de83
JA		 2182#ifdef FIO_HAVE_TRIM
2183 {
2184 .name = "trim_percentage",
e8b0e958 2185 .lname = "Trim percentage",
0d29de83 2186 .type = FIO_OPT_INT,
203160d5 2187 .off1 = td_var_offset(trim_percentage),
20eb06bd 2188 .minval = 0,
0d29de83
JA		 2189 .maxval = 100,
2190 .help = "Number of verify blocks to discard/trim",
2191 .parent = "verify",
2192 .def = "0",
20eb06bd 2193 .interval = 1,
d71c154c 2194 .hide = 1,
e8b0e958
JA		 2195 .category = FIO_OPT_C_IO,
2196 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2197 },
2198 {
2199 .name = "trim_verify_zero",
e8b0e958 2200 .lname = "Verify trim zero",
20eb06bd 2201 .type = FIO_OPT_BOOL,
0d29de83
JA		 2202 .help = "Verify that trim/discarded blocks are returned as zeroes",
2203 .off1 = td_var_offset(trim_zero),
2204 .parent = "trim_percentage",
d71c154c 2205 .hide = 1,
0d29de83 2206 .def = "1",
e8b0e958
JA		 2207 .category = FIO_OPT_C_IO,
2208 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2209 },
2210 {
2211 .name = "trim_backlog",
e8b0e958 2212 .lname = "Trim backlog",
0d29de83
JA		 2213 .type = FIO_OPT_STR_VAL,
2214 .off1 = td_var_offset(trim_backlog),
2215 .help = "Trim after this number of blocks are written",
2216 .parent = "trim_percentage",
d71c154c 2217 .hide = 1,
20eb06bd 2218 .interval = 1,
e8b0e958
JA		 2219 .category = FIO_OPT_C_IO,
2220 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2221 },
2222 {
2223 .name = "trim_backlog_batch",
e8b0e958 2224 .lname = "Trim backlog batch",
0d29de83
JA		 2225 .type = FIO_OPT_INT,
2226 .off1 = td_var_offset(trim_batch),
2227 .help = "Trim this number of IO blocks",
2228 .parent = "trim_percentage",
d71c154c 2229 .hide = 1,
20eb06bd 2230 .interval = 1,
e8b0e958
JA		 2231 .category = FIO_OPT_C_IO,
2232 .group = FIO_OPT_G_TRIM,
0d29de83 2233 },
e8462bd8 2234#endif
214e1eca
JA		 2235 {
2236 .name = "write_iolog",
e8b0e958 2237 .lname = "Write I/O log",
214e1eca
JA		 2238 .type = FIO_OPT_STR_STORE,
2239 .off1 = td_var_offset(write_iolog_file),
2240 .help = "Store IO pattern to file",
e8b0e958
JA		 2241 .category = FIO_OPT_C_IO,
2242 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2243 },
2244 {
2245 .name = "read_iolog",
e8b0e958 2246 .lname = "Read I/O log",
214e1eca
JA		 2247 .type = FIO_OPT_STR_STORE,
2248 .off1 = td_var_offset(read_iolog_file),
2249 .help = "Playback IO pattern from file",
e8b0e958
JA		 2250 .category = FIO_OPT_C_IO,
2251 .group = FIO_OPT_G_IOLOG,
214e1eca 2252 },
64bbb865
DN		 2253 {
2254 .name = "replay_no_stall",
e8b0e958 2255 .lname = "Don't stall on replay",
20eb06bd 2256 .type = FIO_OPT_BOOL,
64bbb865
DN		 2257 .off1 = td_var_offset(no_stall),
2258 .def = "0",
87e7a972 2259 .parent = "read_iolog",
d71c154c 2260 .hide = 1,
64bbb865 2261 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2262 .category = FIO_OPT_C_IO,
2263 .group = FIO_OPT_G_IOLOG,
64bbb865 2264 },
d1c46c04
DN		 2265 {
2266 .name = "replay_redirect",
e8b0e958 2267 .lname = "Redirect device for replay",
d1c46c04
DN		 2268 .type = FIO_OPT_STR_STORE,
2269 .off1 = td_var_offset(replay_redirect),
2270 .parent = "read_iolog",
d71c154c 2271 .hide = 1,
d1c46c04 2272 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2273 .category = FIO_OPT_C_IO,
2274 .group = FIO_OPT_G_IOLOG,
d1c46c04 2275 },
214e1eca
JA		 2276 {
2277 .name = "exec_prerun",
e8b0e958 2278 .lname = "Pre-execute runnable",
214e1eca
JA		 2279 .type = FIO_OPT_STR_STORE,
2280 .off1 = td_var_offset(exec_prerun),
2281 .help = "Execute this file prior to running job",
e8b0e958
JA		 2282 .category = FIO_OPT_C_GENERAL,
2283 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2284 },
2285 {
2286 .name = "exec_postrun",
e8b0e958 2287 .lname = "Post-execute runnable",
214e1eca
JA		 2288 .type = FIO_OPT_STR_STORE,
2289 .off1 = td_var_offset(exec_postrun),
2290 .help = "Execute this file after running job",
e8b0e958
JA		 2291 .category = FIO_OPT_C_GENERAL,
2292 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2293 },
2294#ifdef FIO_HAVE_IOSCHED_SWITCH
2295 {
2296 .name = "ioscheduler",
e8b0e958 2297 .lname = "I/O scheduler",
214e1eca
JA		 2298 .type = FIO_OPT_STR_STORE,
2299 .off1 = td_var_offset(ioscheduler),
2300 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2301 .category = FIO_OPT_C_FILE,
2302 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2303 },
2304#endif
2305 {
2306 .name = "zonesize",
e8b0e958 2307 .lname = "Zone size",
214e1eca
JA		 2308 .type = FIO_OPT_STR_VAL,
2309 .off1 = td_var_offset(zone_size),
ed335855
SN		 2310 .help = "Amount of data to read per zone",
2311 .def = "0",
20eb06bd 2312 .interval = 1024 * 1024,
e8b0e958
JA		 2313 .category = FIO_OPT_C_IO,
2314 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2315 },
2316 {
2317 .name = "zonerange",
e8b0e958 2318 .lname = "Zone range",
ed335855
SN		 2319 .type = FIO_OPT_STR_VAL,
2320 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2321 .help = "Give size of an IO zone",
2322 .def = "0",
20eb06bd 2323 .interval = 1024 * 1024,
e8b0e958
JA		 2324 .category = FIO_OPT_C_IO,
2325 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2326 },
2327 {
2328 .name = "zoneskip",
e8b0e958 2329 .lname = "Zone skip",
214e1eca
JA		 2330 .type = FIO_OPT_STR_VAL,
2331 .off1 = td_var_offset(zone_skip),
2332 .help = "Space between IO zones",
2333 .def = "0",
20eb06bd 2334 .interval = 1024 * 1024,
e8b0e958
JA		 2335 .category = FIO_OPT_C_IO,
2336 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2337 },
2338 {
2339 .name = "lockmem",
e8b0e958 2340 .lname = "Lock memory",
214e1eca 2341 .type = FIO_OPT_STR_VAL,
1b79a070 2342 .off1 = td_var_offset(lockmem),
81c6b6cd 2343 .help = "Lock down this amount of memory (per worker)",
214e1eca 2344 .def = "0",
20eb06bd 2345 .interval = 1024 * 1024,
e8b0e958
JA		 2346 .category = FIO_OPT_C_GENERAL,
2347 .group = FIO_OPT_G_INVALID,
214e1eca 2348 },
214e1eca
JA		 2349 {
2350 .name = "rwmixread",
e8b0e958 2351 .lname = "Read/write mix read",
214e1eca 2352 .type = FIO_OPT_INT,
cb499fc4 2353 .cb = str_rwmix_read_cb,
214e1eca
JA		 2354 .maxval = 100,
2355 .help = "Percentage of mixed workload that is reads",
2356 .def = "50",
20eb06bd 2357 .interval = 5,
90265353 2358 .inverse = "rwmixwrite",
e8b0e958
JA		 2359 .category = FIO_OPT_C_IO,
2360 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2361 },
2362 {
2363 .name = "rwmixwrite",
e8b0e958 2364 .lname = "Read/write mix write",
214e1eca 2365 .type = FIO_OPT_INT,
cb499fc4 2366 .cb = str_rwmix_write_cb,
214e1eca
JA		 2367 .maxval = 100,
2368 .help = "Percentage of mixed workload that is writes",
2369 .def = "50",
20eb06bd 2370 .interval = 5,
90265353 2371 .inverse = "rwmixread",
e8b0e958
JA		 2372 .category = FIO_OPT_C_IO,
2373 .group = FIO_OPT_G_RWMIX,
214e1eca 2374 },
afdf9352
JA		 2375 {
2376 .name = "rwmixcycle",
e8b0e958 2377 .lname = "Read/write mix cycle",
15ca150e 2378 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2379 .category = FIO_OPT_C_IO,
2380 .group = FIO_OPT_G_RWMIX,
afdf9352 2381 },
214e1eca
JA		 2382 {
2383 .name = "nice",
e8b0e958 2384 .lname = "Nice",
214e1eca
JA		 2385 .type = FIO_OPT_INT,
2386 .off1 = td_var_offset(nice),
2387 .help = "Set job CPU nice value",
2388 .minval = -19,
2389 .maxval = 20,
2390 .def = "0",
20eb06bd 2391 .interval = 1,
e8b0e958 2392 .category = FIO_OPT_C_GENERAL,
10860056 2393 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2394 },
2395#ifdef FIO_HAVE_IOPRIO
2396 {
2397 .name = "prio",
e8b0e958 2398 .lname = "I/O nice priority",
214e1eca 2399 .type = FIO_OPT_INT,
28727df7 2400 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2401 .help = "Set job IO priority value",
2402 .minval = 0,
2403 .maxval = 7,
20eb06bd 2404 .interval = 1,
e8b0e958 2405 .category = FIO_OPT_C_GENERAL,
10860056 2406 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2407 },
2408 {
2409 .name = "prioclass",
e8b0e958 2410 .lname = "I/O nice priority class",
214e1eca 2411 .type = FIO_OPT_INT,
28727df7 2412 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2413 .help = "Set job IO priority class",
2414 .minval = 0,
2415 .maxval = 3,
20eb06bd 2416 .interval = 1,
e8b0e958 2417 .category = FIO_OPT_C_GENERAL,
10860056 2418 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2419 },
2420#endif
2421 {
2422 .name = "thinktime",
e8b0e958 2423 .lname = "Thinktime",
214e1eca
JA		 2424 .type = FIO_OPT_INT,
2425 .off1 = td_var_offset(thinktime),
2426 .help = "Idle time between IO buffers (usec)",
2427 .def = "0",
e8b0e958 2428 .category = FIO_OPT_C_IO,
3ceb458f 2429 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2430 },
2431 {
2432 .name = "thinktime_spin",
e8b0e958 2433 .lname = "Thinktime spin",
214e1eca
JA		 2434 .type = FIO_OPT_INT,
2435 .off1 = td_var_offset(thinktime_spin),
2436 .help = "Start think time by spinning this amount (usec)",
2437 .def = "0",
afdf9352 2438 .parent = "thinktime",
d71c154c 2439 .hide = 1,
e8b0e958 2440 .category = FIO_OPT_C_IO,
3ceb458f 2441 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2442 },
2443 {
2444 .name = "thinktime_blocks",
e8b0e958 2445 .lname = "Thinktime blocks",
214e1eca
JA		 2446 .type = FIO_OPT_INT,
2447 .off1 = td_var_offset(thinktime_blocks),
2448 .help = "IO buffer period between 'thinktime'",
2449 .def = "1",
afdf9352 2450 .parent = "thinktime",
d71c154c 2451 .hide = 1,
e8b0e958 2452 .category = FIO_OPT_C_IO,
3ceb458f 2453 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2454 },
2455 {
2456 .name = "rate",
e8b0e958 2457 .lname = "I/O rate",
e01b22b8 2458 .type = FIO_OPT_INT,
6eaf09d6
SL		 2459 .off1 = td_var_offset(rate[DDIR_READ]),
2460 .off2 = td_var_offset(rate[DDIR_WRITE]),
2461 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2462 .help = "Set bandwidth rate",
e8b0e958
JA		 2463 .category = FIO_OPT_C_IO,
2464 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2465 },
2466 {
2467 .name = "ratemin",
e8b0e958 2468 .lname = "I/O min rate",
e01b22b8 2469 .type = FIO_OPT_INT,
6eaf09d6
SL		 2470 .off1 = td_var_offset(ratemin[DDIR_READ]),
2471 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2472 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2473 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2474 .parent = "rate",
d71c154c 2475 .hide = 1,
e8b0e958
JA		 2476 .category = FIO_OPT_C_IO,
2477 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2478 },
2479 {
2480 .name = "rate_iops",
e8b0e958 2481 .lname = "I/O rate IOPS",
e01b22b8 2482 .type = FIO_OPT_INT,
6eaf09d6
SL		 2483 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2484 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2485 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2486 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2487 .hide = 1,
e8b0e958
JA		 2488 .category = FIO_OPT_C_IO,
2489 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2490 },
2491 {
2492 .name = "rate_iops_min",
e8b0e958 2493 .lname = "I/O min rate IOPS",
e01b22b8 2494 .type = FIO_OPT_INT,
6eaf09d6
SL		 2495 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2496 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2497 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2498 .help = "Job must meet this rate or it will be shut down",
afdf9352 2499 .parent = "rate_iops",
d71c154c 2500 .hide = 1,
e8b0e958
JA		 2501 .category = FIO_OPT_C_IO,
2502 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2503 },
2504 {
2505 .name = "ratecycle",
e8b0e958 2506 .lname = "I/O rate cycle",
214e1eca
JA		 2507 .type = FIO_OPT_INT,
2508 .off1 = td_var_offset(ratecycle),
2509 .help = "Window average for rate limits (msec)",
2510 .def = "1000",
afdf9352 2511 .parent = "rate",
d71c154c 2512 .hide = 1,
e8b0e958
JA		 2513 .category = FIO_OPT_C_IO,
2514 .group = FIO_OPT_G_RATE,
214e1eca 2515 },
15501535
JA		 2516 {
2517 .name = "max_latency",
2518 .type = FIO_OPT_INT,
2519 .off1 = td_var_offset(max_latency),
2520 .help = "Maximum tolerated IO latency (usec)",
1e5324e7
JA		 2521 .category = FIO_OPT_C_IO,
2522 .group = FIO_OPT_G_RATE,
15501535 2523 },
214e1eca
JA		 2524 {
2525 .name = "invalidate",
e8b0e958 2526 .lname = "Cache invalidate",
214e1eca
JA		 2527 .type = FIO_OPT_BOOL,
2528 .off1 = td_var_offset(invalidate_cache),
2529 .help = "Invalidate buffer/page cache prior to running job",
2530 .def = "1",
e8b0e958 2531 .category = FIO_OPT_C_IO,
3ceb458f 2532 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2533 },
2534 {
2535 .name = "sync",
e8b0e958 2536 .lname = "Synchronous I/O",
214e1eca
JA		 2537 .type = FIO_OPT_BOOL,
2538 .off1 = td_var_offset(sync_io),
2539 .help = "Use O_SYNC for buffered writes",
2540 .def = "0",
67a1000f 2541 .parent = "buffered",
d71c154c 2542 .hide = 1,
e8b0e958 2543 .category = FIO_OPT_C_IO,
3ceb458f 2544 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2545 },
214e1eca
JA		 2546 {
2547 .name = "create_serialize",
e8b0e958 2548 .lname = "Create serialize",
214e1eca
JA		 2549 .type = FIO_OPT_BOOL,
2550 .off1 = td_var_offset(create_serialize),
2551 .help = "Serialize creating of job files",
2552 .def = "1",
e8b0e958
JA		 2553 .category = FIO_OPT_C_FILE,
2554 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2555 },
2556 {
2557 .name = "create_fsync",
e8b0e958 2558 .lname = "Create fsync",
214e1eca
JA		 2559 .type = FIO_OPT_BOOL,
2560 .off1 = td_var_offset(create_fsync),
03e20d68 2561 .help = "fsync file after creation",
214e1eca 2562 .def = "1",
e8b0e958
JA		 2563 .category = FIO_OPT_C_FILE,
2564 .group = FIO_OPT_G_INVALID,
214e1eca 2565 },
814452bd
JA		 2566 {
2567 .name = "create_on_open",
e8b0e958 2568 .lname = "Create on open",
814452bd
JA		 2569 .type = FIO_OPT_BOOL,
2570 .off1 = td_var_offset(create_on_open),
2571 .help = "Create files when they are opened for IO",
2572 .def = "0",
e8b0e958
JA		 2573 .category = FIO_OPT_C_FILE,
2574 .group = FIO_OPT_G_INVALID,
814452bd 2575 },
25460cf6
JA		 2576 {
2577 .name = "create_only",
2578 .type = FIO_OPT_BOOL,
2579 .off1 = td_var_offset(create_only),
2580 .help = "Only perform file creation phase",
d17fda71 2581 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2582 .def = "0",
2583 },
0b9d69ec 2584 {
afad68f7 2585 .name = "pre_read",
e8b0e958 2586 .lname = "Pre-read files",
afad68f7
ZY		 2587 .type = FIO_OPT_BOOL,
2588 .off1 = td_var_offset(pre_read),
03e20d68 2589 .help = "Pre-read files before starting official testing",
afad68f7 2590 .def = "0",
e8b0e958
JA		 2591 .category = FIO_OPT_C_FILE,
2592 .group = FIO_OPT_G_INVALID,
afad68f7 2593 },
214e1eca
JA		 2594#ifdef FIO_HAVE_CPU_AFFINITY
2595 {
2596 .name = "cpumask",
e8b0e958 2597 .lname = "CPU mask",
214e1eca
JA		 2598 .type = FIO_OPT_INT,
2599 .cb = str_cpumask_cb,
2600 .help = "CPU affinity mask",
e8b0e958 2601 .category = FIO_OPT_C_GENERAL,
10860056 2602 .group = FIO_OPT_G_CRED,
214e1eca 2603 },
d2e268b0
JA		 2604 {
2605 .name = "cpus_allowed",
e8b0e958 2606 .lname = "CPUs allowed",
d2e268b0
JA		 2607 .type = FIO_OPT_STR,
2608 .cb = str_cpus_allowed_cb,
2609 .help = "Set CPUs allowed",
e8b0e958 2610 .category = FIO_OPT_C_GENERAL,
10860056 2611 .group = FIO_OPT_G_CRED,
d2e268b0 2612 },
d0b937ed 2613#endif
67bf9823 2614#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 2615 {
2616 .name = "numa_cpu_nodes",
2617 .type = FIO_OPT_STR,
2618 .cb = str_numa_cpunodes_cb,
2619 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 2620 .category = FIO_OPT_C_GENERAL,
2621 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 2622 },
2623 {
2624 .name = "numa_mem_policy",
2625 .type = FIO_OPT_STR,
2626 .cb = str_numa_mpol_cb,
2627 .help = "NUMA memory policy setup",
6be54b2d
JA		 2628 .category = FIO_OPT_C_GENERAL,
2629 .group = FIO_OPT_G_INVALID,
d0b937ed 2630 },
214e1eca
JA		 2631#endif
2632 {
2633 .name = "end_fsync",
e8b0e958 2634 .lname = "End fsync",
214e1eca
JA		 2635 .type = FIO_OPT_BOOL,
2636 .off1 = td_var_offset(end_fsync),
2637 .help = "Include fsync at the end of job",
2638 .def = "0",
e8b0e958
JA		 2639 .category = FIO_OPT_C_FILE,
2640 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2641 },
2642 {
2643 .name = "fsync_on_close",
e8b0e958 2644 .lname = "Fsync on close",
214e1eca
JA		 2645 .type = FIO_OPT_BOOL,
2646 .off1 = td_var_offset(fsync_on_close),
2647 .help = "fsync files on close",
2648 .def = "0",
e8b0e958
JA		 2649 .category = FIO_OPT_C_FILE,
2650 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2651 },
2652 {
2653 .name = "unlink",
e8b0e958 2654 .lname = "Unlink file",
214e1eca
JA		 2655 .type = FIO_OPT_BOOL,
2656 .off1 = td_var_offset(unlink),
2657 .help = "Unlink created files after job has completed",
2658 .def = "0",
e8b0e958
JA		 2659 .category = FIO_OPT_C_FILE,
2660 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2661 },
2662 {
2663 .name = "exitall",
e8b0e958 2664 .lname = "Exit-all on terminate",
214e1eca
JA		 2665 .type = FIO_OPT_STR_SET,
2666 .cb = str_exitall_cb,
2667 .help = "Terminate all jobs when one exits",
e8b0e958 2668 .category = FIO_OPT_C_GENERAL,
a1f6afec 2669 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 2670 },
2671 {
2672 .name = "stonewall",
e8b0e958 2673 .lname = "Wait for previous",
d392365e 2674 .alias = "wait_for_previous",
214e1eca
JA		 2675 .type = FIO_OPT_STR_SET,
2676 .off1 = td_var_offset(stonewall),
2677 .help = "Insert a hard barrier between this job and previous",
e8b0e958 2678 .category = FIO_OPT_C_GENERAL,
a1f6afec 2679 .group = FIO_OPT_G_PROCESS,
214e1eca 2680 },
b3d62a75
JA		 2681 {
2682 .name = "new_group",
e8b0e958 2683 .lname = "New group",
b3d62a75
JA		 2684 .type = FIO_OPT_STR_SET,
2685 .off1 = td_var_offset(new_group),
2686 .help = "Mark the start of a new group (for reporting)",
e8b0e958 2687 .category = FIO_OPT_C_GENERAL,
a1f6afec 2688 .group = FIO_OPT_G_PROCESS,
b3d62a75 2689 },
214e1eca
JA		 2690 {
2691 .name = "thread",
e8b0e958 2692 .lname = "Thread",
214e1eca
JA		 2693 .type = FIO_OPT_STR_SET,
2694 .off1 = td_var_offset(use_thread),
20eb06bd 2695 .help = "Use threads instead of processes",
e8b0e958 2696 .category = FIO_OPT_C_GENERAL,
a1f6afec 2697 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 2698 },
2699 {
2700 .name = "write_bw_log",
e8b0e958 2701 .lname = "Write bandwidth log",
203160d5
JA		 2702 .type = FIO_OPT_STR_STORE,
2703 .off1 = td_var_offset(bw_log_file),
214e1eca 2704 .help = "Write log of bandwidth during run",
e8b0e958
JA		 2705 .category = FIO_OPT_C_LOG,
2706 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2707 },
2708 {
2709 .name = "write_lat_log",
e8b0e958 2710 .lname = "Write latency log",
203160d5
JA		 2711 .type = FIO_OPT_STR_STORE,
2712 .off1 = td_var_offset(lat_log_file),
214e1eca 2713 .help = "Write log of latency during run",
e8b0e958
JA		 2714 .category = FIO_OPT_C_LOG,
2715 .group = FIO_OPT_G_INVALID,
214e1eca 2716 },
c8eeb9df
JA		 2717 {
2718 .name = "write_iops_log",
e8b0e958 2719 .lname = "Write IOPS log",
c8eeb9df 2720 .type = FIO_OPT_STR,
203160d5 2721 .off1 = td_var_offset(iops_log_file),
c8eeb9df 2722 .help = "Write log of IOPS during run",
e8b0e958
JA		 2723 .category = FIO_OPT_C_LOG,
2724 .group = FIO_OPT_G_INVALID,
c8eeb9df 2725 },
b8bc8cba
JA		 2726 {
2727 .name = "log_avg_msec",
e8b0e958 2728 .lname = "Log averaging (msec)",
b8bc8cba
JA		 2729 .type = FIO_OPT_INT,
2730 .off1 = td_var_offset(log_avg_msec),
2731 .help = "Average bw/iops/lat logs over this period of time",
2732 .def = "0",
e8b0e958
JA		 2733 .category = FIO_OPT_C_LOG,
2734 .group = FIO_OPT_G_INVALID,
b8bc8cba 2735 },
c504ee55
JA		 2736 {
2737 .name = "bwavgtime",
2738 .lname = "Bandwidth average time",
2739 .type = FIO_OPT_INT,
2740 .off1 = td_var_offset(bw_avg_time),
2741 .help = "Time window over which to calculate bandwidth"
2742 " (msec)",
2743 .def = "500",
2744 .parent = "write_bw_log",
2745 .hide = 1,
2746 .interval = 100,
2747 .category = FIO_OPT_C_LOG,
2748 .group = FIO_OPT_G_INVALID,
2749 },
2750 {
2751 .name = "iopsavgtime",
2752 .lname = "IOPS average time",
2753 .type = FIO_OPT_INT,
2754 .off1 = td_var_offset(iops_avg_time),
2755 .help = "Time window over which to calculate IOPS (msec)",
2756 .def = "500",
2757 .parent = "write_iops_log",
2758 .hide = 1,
2759 .interval = 100,
2760 .category = FIO_OPT_C_LOG,
2761 .group = FIO_OPT_G_INVALID,
2762 },
214e1eca
JA		 2763 {
2764 .name = "group_reporting",
e8b0e958
JA		 2765 .lname = "Group reporting",
2766 .type = FIO_OPT_BOOL,
214e1eca
JA		 2767 .off1 = td_var_offset(group_reporting),
2768 .help = "Do reporting on a per-group basis",
e8b0e958 2769 .def = "1",
10860056 2770 .category = FIO_OPT_C_STAT,
e8b0e958 2771 .group = FIO_OPT_G_INVALID,
214e1eca 2772 },
e9459e5a
JA		 2773 {
2774 .name = "zero_buffers",
e8b0e958 2775 .lname = "Zero I/O buffers",
e9459e5a
JA		 2776 .type = FIO_OPT_STR_SET,
2777 .off1 = td_var_offset(zero_buffers),
2778 .help = "Init IO buffers to all zeroes",
e8b0e958 2779 .category = FIO_OPT_C_IO,
3ceb458f 2780 .group = FIO_OPT_G_IO_BUF,
e9459e5a 2781 },
5973cafb
JA		 2782 {
2783 .name = "refill_buffers",
e8b0e958 2784 .lname = "Refill I/O buffers",
5973cafb
JA		 2785 .type = FIO_OPT_STR_SET,
2786 .off1 = td_var_offset(refill_buffers),
2787 .help = "Refill IO buffers on every IO submit",
e8b0e958 2788 .category = FIO_OPT_C_IO,
3ceb458f 2789 .group = FIO_OPT_G_IO_BUF,
5973cafb 2790 },
fd68418e
JA		 2791 {
2792 .name = "scramble_buffers",
e8b0e958 2793 .lname = "Scramble I/O buffers",
fd68418e
JA		 2794 .type = FIO_OPT_BOOL,
2795 .off1 = td_var_offset(scramble_buffers),
2796 .help = "Slightly scramble buffers on every IO submit",
2797 .def = "1",
e8b0e958 2798 .category = FIO_OPT_C_IO,
3ceb458f 2799 .group = FIO_OPT_G_IO_BUF,
fd68418e 2800 },
9c42684e
JA		 2801 {
2802 .name = "buffer_compress_percentage",
e8b0e958 2803 .lname = "Buffer compression percentage",
9c42684e
JA		 2804 .type = FIO_OPT_INT,
2805 .off1 = td_var_offset(compress_percentage),
2806 .maxval = 100,
2807 .minval = 1,
2808 .help = "How compressible the buffer is (approximately)",
20eb06bd 2809 .interval = 5,
e8b0e958 2810 .category = FIO_OPT_C_IO,
3ceb458f 2811 .group = FIO_OPT_G_IO_BUF,
9c42684e 2812 },
f97a43a1
JA		 2813 {
2814 .name = "buffer_compress_chunk",
e8b0e958 2815 .lname = "Buffer compression chunk size",
f97a43a1
JA		 2816 .type = FIO_OPT_INT,
2817 .off1 = td_var_offset(compress_chunk),
207b18e4 2818 .parent = "buffer_compress_percentage",
d71c154c 2819 .hide = 1,
f97a43a1 2820 .help = "Size of compressible region in buffer",
20eb06bd 2821 .interval = 256,
e8b0e958 2822 .category = FIO_OPT_C_IO,
3ceb458f 2823 .group = FIO_OPT_G_IO_BUF,
f97a43a1 2824 },
83349190
YH		 2825 {
2826 .name = "clat_percentiles",
e8b0e958 2827 .lname = "Completion latency percentiles",
83349190
YH		 2828 .type = FIO_OPT_BOOL,
2829 .off1 = td_var_offset(clat_percentiles),
2830 .help = "Enable the reporting of completion latency percentiles",
467b35ed 2831 .def = "1",
e8b0e958
JA		 2832 .category = FIO_OPT_C_STAT,
2833 .group = FIO_OPT_G_INVALID,
83349190
YH		 2834 },
2835 {
2836 .name = "percentile_list",
e8b0e958 2837 .lname = "Completion latency percentile list",
83349190
YH		 2838 .type = FIO_OPT_FLOAT_LIST,
2839 .off1 = td_var_offset(percentile_list),
435d195a 2840 .off2 = td_var_offset(percentile_precision),
83349190 2841 .help = "Specify a custom list of percentiles to report",
fd112d34 2842 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 2843 .maxlen = FIO_IO_U_LIST_MAX_LEN,
2844 .minfp = 0.0,
2845 .maxfp = 100.0,
e8b0e958
JA		 2846 .category = FIO_OPT_C_STAT,
2847 .group = FIO_OPT_G_INVALID,
83349190
YH		 2848 },
2849
0a839f30
JA		 2850#ifdef FIO_HAVE_DISK_UTIL
2851 {
2852 .name = "disk_util",
e8b0e958 2853 .lname = "Disk utilization",
0a839f30
JA		 2854 .type = FIO_OPT_BOOL,
2855 .off1 = td_var_offset(do_disk_util),
f66ab3c8 2856 .help = "Log disk utilization statistics",
0a839f30 2857 .def = "1",
e8b0e958
JA		 2858 .category = FIO_OPT_C_STAT,
2859 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 2860 },
2861#endif
993bf48b
JA		 2862 {
2863 .name = "gtod_reduce",
e8b0e958 2864 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 2865 .type = FIO_OPT_BOOL,
2866 .help = "Greatly reduce number of gettimeofday() calls",
2867 .cb = str_gtod_reduce_cb,
2868 .def = "0",
a4ed77fe 2869 .hide_on_set = 1,
e8b0e958
JA		 2870 .category = FIO_OPT_C_STAT,
2871 .group = FIO_OPT_G_INVALID,
993bf48b 2872 },
02af0988
JA		 2873 {
2874 .name = "disable_lat",
e8b0e958 2875 .lname = "Disable all latency stats",
02af0988
JA		 2876 .type = FIO_OPT_BOOL,
2877 .off1 = td_var_offset(disable_lat),
2878 .help = "Disable latency numbers",
2879 .parent = "gtod_reduce",
d71c154c 2880 .hide = 1,
02af0988 2881 .def = "0",
e8b0e958
JA		 2882 .category = FIO_OPT_C_STAT,
2883 .group = FIO_OPT_G_INVALID,
02af0988 2884 },
9520ebb9
JA		 2885 {
2886 .name = "disable_clat",
e8b0e958 2887 .lname = "Disable completion latency stats",
9520ebb9
JA		 2888 .type = FIO_OPT_BOOL,
2889 .off1 = td_var_offset(disable_clat),
2890 .help = "Disable completion latency numbers",
993bf48b 2891 .parent = "gtod_reduce",
d71c154c 2892 .hide = 1,
9520ebb9 2893 .def = "0",
e8b0e958
JA		 2894 .category = FIO_OPT_C_STAT,
2895 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 2896 },
2897 {
2898 .name = "disable_slat",
e8b0e958 2899 .lname = "Disable submission latency stats",
9520ebb9
JA		 2900 .type = FIO_OPT_BOOL,
2901 .off1 = td_var_offset(disable_slat),
03e20d68 2902 .help = "Disable submission latency numbers",
993bf48b 2903 .parent = "gtod_reduce",
d71c154c 2904 .hide = 1,
9520ebb9 2905 .def = "0",
e8b0e958
JA		 2906 .category = FIO_OPT_C_STAT,
2907 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 2908 },
2909 {
2910 .name = "disable_bw_measurement",
e8b0e958 2911 .lname = "Disable bandwidth stats",
9520ebb9
JA		 2912 .type = FIO_OPT_BOOL,
2913 .off1 = td_var_offset(disable_bw),
2914 .help = "Disable bandwidth logging",
993bf48b 2915 .parent = "gtod_reduce",
d71c154c 2916 .hide = 1,
9520ebb9 2917 .def = "0",
e8b0e958
JA		 2918 .category = FIO_OPT_C_STAT,
2919 .group = FIO_OPT_G_INVALID,
9520ebb9 2920 },
be4ecfdf
JA		 2921 {
2922 .name = "gtod_cpu",
e8b0e958 2923 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 2924 .type = FIO_OPT_INT,
2925 .cb = str_gtod_cpu_cb,
03e20d68 2926 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 2927 .verify = gtod_cpu_verify,
e8b0e958 2928 .category = FIO_OPT_C_GENERAL,
10860056 2929 .group = FIO_OPT_G_CLOCK,
be4ecfdf 2930 },
771e58be
JA		 2931 {
2932 .name = "unified_rw_reporting",
2933 .type = FIO_OPT_BOOL,
2934 .off1 = td_var_offset(unified_rw_rep),
2935 .help = "Unify reporting across data direction",
2936 .def = "0",
90b7a96d
JA		 2937 .category = FIO_OPT_C_GENERAL,
2938 .group = FIO_OPT_G_INVALID,
771e58be 2939 },
f2bba182
RR		 2940 {
2941 .name = "continue_on_error",
e8b0e958 2942 .lname = "Continue on error",
06842027 2943 .type = FIO_OPT_STR,
f2bba182 2944 .off1 = td_var_offset(continue_on_error),
03e20d68 2945 .help = "Continue on non-fatal errors during IO",
06842027 2946 .def = "none",
e8b0e958 2947 .category = FIO_OPT_C_GENERAL,
bc3f552f 2948 .group = FIO_OPT_G_ERR,
06842027
SL		 2949 .posval = {
2950 { .ival = "none",
2951 .oval = ERROR_TYPE_NONE,
2952 .help = "Exit when an error is encountered",
2953 },
2954 { .ival = "read",
2955 .oval = ERROR_TYPE_READ,
2956 .help = "Continue on read errors only",
2957 },
2958 { .ival = "write",
2959 .oval = ERROR_TYPE_WRITE,
2960 .help = "Continue on write errors only",
2961 },
2962 { .ival = "io",
2963 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
2964 .help = "Continue on any IO errors",
2965 },
2966 { .ival = "verify",
2967 .oval = ERROR_TYPE_VERIFY,
2968 .help = "Continue on verify errors only",
2969 },
2970 { .ival = "all",
2971 .oval = ERROR_TYPE_ANY,
2972 .help = "Continue on all io and verify errors",
2973 },
2974 { .ival = "0",
2975 .oval = ERROR_TYPE_NONE,
2976 .help = "Alias for 'none'",
2977 },
2978 { .ival = "1",
2979 .oval = ERROR_TYPE_ANY,
2980 .help = "Alias for 'all'",
2981 },
2982 },
f2bba182 2983 },
8b28bd41
DM		 2984 {
2985 .name = "ignore_error",
2986 .type = FIO_OPT_STR,
2987 .cb = str_ignore_error_cb,
2988 .help = "Set a specific list of errors to ignore",
2989 .parent = "rw",
a94eb99a 2990 .category = FIO_OPT_C_GENERAL,
bc3f552f 2991 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 2992 },
2993 {
2994 .name = "error_dump",
2995 .type = FIO_OPT_BOOL,
2996 .off1 = td_var_offset(error_dump),
2997 .def = "0",
2998 .help = "Dump info on each error",
a94eb99a 2999 .category = FIO_OPT_C_GENERAL,
bc3f552f 3000 .group = FIO_OPT_G_ERR,
8b28bd41 3001 },
9ac8a797
JA		 3002 {
3003 .name = "profile",
e8b0e958 3004 .lname = "Profile",
79d16311 3005 .type = FIO_OPT_STR_STORE,
9ac8a797 3006 .off1 = td_var_offset(profile),
9ac8a797 3007 .help = "Select a specific builtin performance test",
13fca827 3008 .category = FIO_OPT_C_PROFILE,
e8b0e958 3009 .group = FIO_OPT_G_INVALID,
9ac8a797 3010 },
a696fa2a
JA		 3011 {
3012 .name = "cgroup",
e8b0e958 3013 .lname = "Cgroup",
a696fa2a
JA		 3014 .type = FIO_OPT_STR_STORE,
3015 .off1 = td_var_offset(cgroup),
3016 .help = "Add job to cgroup of this name",
e8b0e958 3017 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3018 .group = FIO_OPT_G_CGROUP,
3019 },
3020 {
3021 .name = "cgroup_nodelete",
3022 .lname = "Cgroup no-delete",
3023 .type = FIO_OPT_BOOL,
3024 .off1 = td_var_offset(cgroup_nodelete),
3025 .help = "Do not delete cgroups after job completion",
3026 .def = "0",
3027 .parent = "cgroup",
3028 .category = FIO_OPT_C_GENERAL,
3029 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3030 },
3031 {
3032 .name = "cgroup_weight",
e8b0e958 3033 .lname = "Cgroup weight",
a696fa2a
JA		 3034 .type = FIO_OPT_INT,
3035 .off1 = td_var_offset(cgroup_weight),
3036 .help = "Use given weight for cgroup",
3037 .minval = 100,
3038 .maxval = 1000,
a1f6afec 3039 .parent = "cgroup",
e8b0e958 3040 .category = FIO_OPT_C_GENERAL,
a1f6afec 3041 .group = FIO_OPT_G_CGROUP,
7de87099 3042 },
e0b0d892
JA		 3043 {
3044 .name = "uid",
e8b0e958 3045 .lname = "User ID",
e0b0d892
JA		 3046 .type = FIO_OPT_INT,
3047 .off1 = td_var_offset(uid),
3048 .help = "Run job with this user ID",
e8b0e958 3049 .category = FIO_OPT_C_GENERAL,
10860056 3050 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3051 },
3052 {
3053 .name = "gid",
e8b0e958 3054 .lname = "Group ID",
e0b0d892
JA		 3055 .type = FIO_OPT_INT,
3056 .off1 = td_var_offset(gid),
3057 .help = "Run job with this group ID",
e8b0e958 3058 .category = FIO_OPT_C_GENERAL,
10860056 3059 .group = FIO_OPT_G_CRED,
e0b0d892 3060 },
a1f6afec
JA		 3061 {
3062 .name = "kb_base",
3063 .lname = "KB Base",
3064 .type = FIO_OPT_INT,
3065 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3066 .prio = 1,
3067 .def = "1024",
ba9c7219
JA		 3068 .posval = {
3069 { .ival = "1024",
3070 .oval = 1024,
3071 .help = "Use 1024 as the K base",
3072 },
3073 { .ival = "1000",
3074 .oval = 1000,
3075 .help = "Use 1000 as the K base",
3076 },
3077 },
a1f6afec
JA		 3078 .help = "How many bytes per KB for reporting (1000 or 1024)",
3079 .category = FIO_OPT_C_GENERAL,
3080 .group = FIO_OPT_G_INVALID,
3081 },
cf3a0518
JA		 3082 {
3083 .name = "unit_base",
ba9c7219 3084 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3085 .type = FIO_OPT_INT,
3086 .off1 = td_var_offset(unit_base),
cf3a0518 3087 .prio = 1,
71a08258
JA		 3088 .posval = {
3089 { .ival = "0",
3090 .oval = 0,
3091 .help = "Auto-detect",
3092 },
3093 { .ival = "8",
3094 .oval = 8,
3095 .help = "Normal (byte based)",
3096 },
3097 { .ival = "1",
3098 .oval = 1,
3099 .help = "Bit based",
3100 },
3101 },
cf3a0518
JA		 3102 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3103 .category = FIO_OPT_C_GENERAL,
3104 .group = FIO_OPT_G_INVALID,
3105 },
3ceb458f
JA		 3106 {
3107 .name = "hugepage-size",
3108 .lname = "Hugepage size",
3109 .type = FIO_OPT_INT,
3110 .off1 = td_var_offset(hugepage_size),
3111 .help = "When using hugepages, specify size of each page",
3112 .def = __fio_stringify(FIO_HUGE_PAGE),
3113 .interval = 1024 * 1024,
3114 .category = FIO_OPT_C_GENERAL,
3115 .group = FIO_OPT_G_INVALID,
3116 },
9e684a49
DE		 3117 {
3118 .name = "flow_id",
e8b0e958 3119 .lname = "I/O flow ID",
9e684a49
DE		 3120 .type = FIO_OPT_INT,
3121 .off1 = td_var_offset(flow_id),
3122 .help = "The flow index ID to use",
3123 .def = "0",
e8b0e958
JA		 3124 .category = FIO_OPT_C_IO,
3125 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3126 },
3127 {
3128 .name = "flow",
e8b0e958 3129 .lname = "I/O flow weight",
9e684a49
DE		 3130 .type = FIO_OPT_INT,
3131 .off1 = td_var_offset(flow),
3132 .help = "Weight for flow control of this job",
3133 .parent = "flow_id",
d71c154c 3134 .hide = 1,
9e684a49 3135 .def = "0",
e8b0e958
JA		 3136 .category = FIO_OPT_C_IO,
3137 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3138 },
3139 {
3140 .name = "flow_watermark",
e8b0e958 3141 .lname = "I/O flow watermark",
9e684a49
DE		 3142 .type = FIO_OPT_INT,
3143 .off1 = td_var_offset(flow_watermark),
3144 .help = "High watermark for flow control. This option"
3145 " should be set to the same value for all threads"
3146 " with non-zero flow.",
3147 .parent = "flow_id",
d71c154c 3148 .hide = 1,
9e684a49 3149 .def = "1024",
e8b0e958
JA		 3150 .category = FIO_OPT_C_IO,
3151 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3152 },
3153 {
3154 .name = "flow_sleep",
e8b0e958 3155 .lname = "I/O flow sleep",
9e684a49
DE		 3156 .type = FIO_OPT_INT,
3157 .off1 = td_var_offset(flow_sleep),
3158 .help = "How many microseconds to sleep after being held"
3159 " back by the flow control mechanism",
3160 .parent = "flow_id",
d71c154c 3161 .hide = 1,
9e684a49 3162 .def = "0",
e8b0e958
JA		 3163 .category = FIO_OPT_C_IO,
3164 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3165 },
214e1eca
JA		 3166 {
3167 .name = NULL,
3168 },
3169};
3170
17af15d4 3171static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3172 const char *name, int val)
9f81736c 3173{
17af15d4 3174 lopt->name = (char *) name;
de890a1e 3175 lopt->val = val;
9f81736c
JA		 3176 if (o->type == FIO_OPT_STR_SET)
3177 lopt->has_arg = no_argument;
3178 else
3179 lopt->has_arg = required_argument;
3180}
3181
de890a1e
SL		 3182static void options_to_lopts(struct fio_option *opts,
3183 struct option *long_options,
3184 int i, int option_type)
214e1eca 3185{
de890a1e 3186 struct fio_option *o = &opts[0];
214e1eca 3187 while (o->name) {
de890a1e 3188 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3189 if (o->alias) {
3190 i++;
de890a1e 3191 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3192 }
214e1eca
JA		 3193
3194 i++;
3195 o++;
3196 assert(i < FIO_NR_OPTIONS);
3197 }
3198}
3199
de890a1e
SL		 3200void fio_options_set_ioengine_opts(struct option *long_options,
3201 struct thread_data *td)
3202{
3203 unsigned int i;
3204
3205 i = 0;
3206 while (long_options[i].name) {
3207 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3208 memset(&long_options[i], 0, sizeof(*long_options));
3209 break;
3210 }
3211 i++;
3212 }
3213
3214 /*
3215 * Just clear out the prior ioengine options.
3216 */
3217 if (!td || !td->eo)
3218 return;
3219
3220 options_to_lopts(td->io_ops->options, long_options, i,
3221 FIO_GETOPT_IOENGINE);
3222}
3223
3224void fio_options_dup_and_init(struct option *long_options)
3225{
3226 unsigned int i;
3227
9af4a244 3228 options_init(fio_options);
de890a1e
SL		 3229
3230 i = 0;
3231 while (long_options[i].name)
3232 i++;
3233
9af4a244 3234 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3235}
3236
74929ac2
JA		 3237struct fio_keyword {
3238 const char *word;
3239 const char *desc;
3240 char *replace;
3241};
3242
3243static struct fio_keyword fio_keywords[] = {
3244 {
3245 .word = "$pagesize",
3246 .desc = "Page size in the system",
3247 },
3248 {
3249 .word = "$mb_memory",
3250 .desc = "Megabytes of memory online",
3251 },
3252 {
3253 .word = "$ncpus",
3254 .desc = "Number of CPUs online in the system",
3255 },
3256 {
3257 .word = NULL,
3258 },
3259};
3260
3261void fio_keywords_init(void)
3262{
3b2e1464 3263 unsigned long long mb_memory;
74929ac2
JA		 3264 char buf[128];
3265 long l;
3266
a4cfc477 3267 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3268 fio_keywords[0].replace = strdup(buf);
3269
8eb016d3 3270 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3271 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3272 fio_keywords[1].replace = strdup(buf);
3273
c00a2289 3274 l = cpus_online();
74929ac2
JA		 3275 sprintf(buf, "%lu", l);
3276 fio_keywords[2].replace = strdup(buf);
3277}
3278
892a6ffc
JA		 3279#define BC_APP "bc"
3280
3281static char *bc_calc(char *str)
3282{
d0c814ec 3283 char buf[128], *tmp;
892a6ffc
JA		 3284 FILE *f;
3285 int ret;
3286
3287 /*
3288 * No math, just return string
3289 */
d0c814ec
SL		 3290 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3291 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3292 return str;
3293
3294 /*
3295 * Split option from value, we only need to calculate the value
3296 */
3297 tmp = strchr(str, '=');
3298 if (!tmp)
3299 return str;
3300
3301 tmp++;
892a6ffc 3302
d0c814ec
SL		 3303 /*
3304 * Prevent buffer overflows; such a case isn't reasonable anyway
3305 */
3306 if (strlen(str) >= 128 || strlen(tmp) > 100)
3307 return str;
892a6ffc
JA		 3308
3309 sprintf(buf, "which %s > /dev/null", BC_APP);
3310 if (system(buf)) {
3311 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3312 return NULL;
3313 }
3314
d0c814ec 3315 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3316 f = popen(buf, "r");
3c3ed070 3317 if (!f)
892a6ffc 3318 return NULL;
892a6ffc 3319
d0c814ec 3320 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
3c3ed070 3321 if (ret <= 0)
892a6ffc 3322 return NULL;
892a6ffc 3323
892a6ffc 3324 pclose(f);
d0c814ec
SL		 3325 buf[(tmp - str) + ret - 1] = '\0';
3326 memcpy(buf, str, tmp - str);
892a6ffc 3327 free(str);
d0c814ec
SL		 3328 return strdup(buf);
3329}
3330
3331/*
3332 * Return a copy of the input string with substrings of the form ${VARNAME}
3333 * substituted with the value of the environment variable VARNAME. The
3334 * substitution always occurs, even if VARNAME is empty or the corresponding
3335 * environment variable undefined.
3336 */
3337static char *option_dup_subs(const char *opt)
3338{
3339 char out[OPT_LEN_MAX+1];
3340 char in[OPT_LEN_MAX+1];
3341 char *outptr = out;
3342 char *inptr = in;
3343 char *ch1, *ch2, *env;
3344 ssize_t nchr = OPT_LEN_MAX;
3345 size_t envlen;
3346
3347 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3348 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3349 return NULL;
3350 }
3351
3352 in[OPT_LEN_MAX] = '\0';
3353 strncpy(in, opt, OPT_LEN_MAX);
3354
3355 while (*inptr && nchr > 0) {
3356 if (inptr[0] == '$' && inptr[1] == '{') {
3357 ch2 = strchr(inptr, '}');
3358 if (ch2 && inptr+1 < ch2) {
3359 ch1 = inptr+2;
3360 inptr = ch2+1;
3361 *ch2 = '\0';
3362
3363 env = getenv(ch1);
3364 if (env) {
3365 envlen = strlen(env);
3366 if (envlen <= nchr) {
3367 memcpy(outptr, env, envlen);
3368 outptr += envlen;
3369 nchr -= envlen;
3370 }
3371 }
3372
3373 continue;
3374 }
3375 }
3376
3377 *outptr++ = *inptr++;
3378 --nchr;
3379 }
3380
3381 *outptr = '\0';
3382 return strdup(out);
892a6ffc
JA		 3383}
3384
74929ac2
JA		 3385/*
3386 * Look for reserved variable names and replace them with real values
3387 */
3388static char *fio_keyword_replace(char *opt)
3389{
3390 char *s;
3391 int i;
d0c814ec 3392 int docalc = 0;
74929ac2
JA		 3393
3394 for (i = 0; fio_keywords[i].word != NULL; i++) {
3395 struct fio_keyword *kw = &fio_keywords[i];
3396
3397 while ((s = strstr(opt, kw->word)) != NULL) {
3398 char *new = malloc(strlen(opt) + 1);
3399 char *o_org = opt;
3400 int olen = s - opt;
3401 int len;
3402
3403 /*
3404 * Copy part of the string before the keyword and
3405 * sprintf() the replacement after it.
3406 */
3407 memcpy(new, opt, olen);
3408 len = sprintf(new + olen, "%s", kw->replace);
3409
3410 /*
3411 * If there's more in the original string, copy that
3412 * in too
3413 */
3414 opt += strlen(kw->word) + olen;
3415 if (strlen(opt))
3416 memcpy(new + olen + len, opt, opt - o_org - 1);
3417
3418 /*
3419 * replace opt and free the old opt
3420 */
3421 opt = new;
d0c814ec 3422 free(o_org);
7a958bd5 3423
d0c814ec 3424 docalc = 1;
74929ac2
JA		 3425 }
3426 }
3427
d0c814ec
SL		 3428 /*
3429 * Check for potential math and invoke bc, if possible
3430 */
3431 if (docalc)
3432 opt = bc_calc(opt);
3433
7a958bd5 3434 return opt;
74929ac2
JA		 3435}
3436
d0c814ec
SL		 3437static char **dup_and_sub_options(char **opts, int num_opts)
3438{
3439 int i;
3440 char **opts_copy = malloc(num_opts * sizeof(*opts));
3441 for (i = 0; i < num_opts; i++) {
3442 opts_copy[i] = option_dup_subs(opts[i]);
3443 if (!opts_copy[i])
3444 continue;
3445 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3446 }
3447 return opts_copy;
3448}
3449
3b8b7135 3450int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 3451{
de890a1e 3452 int i, ret, unknown;
d0c814ec 3453 char **opts_copy;
3b8b7135 3454
9af4a244 3455 sort_options(opts, fio_options, num_opts);
d0c814ec 3456 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 3457
de890a1e
SL		 3458 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3459 struct fio_option *o;
9af4a244
JA		 3460 int newret = parse_option(opts_copy[i], opts[i], fio_options,
3461 &o, td);
d0c814ec 3462
de890a1e
SL		 3463 if (opts_copy[i]) {
3464 if (newret && !o) {
3465 unknown++;
3466 continue;
3467 }
d0c814ec 3468 free(opts_copy[i]);
de890a1e
SL		 3469 opts_copy[i] = NULL;
3470 }
3471
3472 ret |= newret;
3473 }
3474
3475 if (unknown) {
3476 ret |= ioengine_load(td);
3477 if (td->eo) {
3478 sort_options(opts_copy, td->io_ops->options, num_opts);
3479 opts = opts_copy;
3480 }
3481 for (i = 0; i < num_opts; i++) {
3482 struct fio_option *o = NULL;
3483 int newret = 1;
3484 if (!opts_copy[i])
3485 continue;
3486
3487 if (td->eo)
3488 newret = parse_option(opts_copy[i], opts[i],
3489 td->io_ops->options, &o,
3490 td->eo);
3491
3492 ret |= newret;
3493 if (!o)
3494 log_err("Bad option <%s>\n", opts[i]);
3495
3496 free(opts_copy[i]);
3497 opts_copy[i] = NULL;
3498 }
74929ac2 3499 }
3b8b7135 3500
d0c814ec 3501 free(opts_copy);
3b8b7135 3502 return ret;
214e1eca
JA		 3503}
3504
3505int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3506{
9af4a244 3507 return parse_cmd_option(opt, val, fio_options, td);
214e1eca
JA		 3508}
3509
de890a1e
SL		 3510int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3511 char *val)
3512{
3513 return parse_cmd_option(opt, val, td->io_ops->options, td);
3514}
3515
214e1eca
JA		 3516void fio_fill_default_options(struct thread_data *td)
3517{
9af4a244 3518 fill_default_options(td, fio_options);
214e1eca
JA		 3519}
3520
3521int fio_show_option_help(const char *opt)
3522{
9af4a244 3523 return show_cmd_help(fio_options, opt);
214e1eca 3524}
d23bb327 3525
de890a1e 3526void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 3527{
de890a1e 3528 struct fio_option *o;
d23bb327 3529 char **ptr;
d23bb327 3530
de890a1e
SL		 3531 for (o = &options[0]; o->name; o++) {
3532 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 3533 continue;
3534
de890a1e 3535 ptr = td_var(data, o->off1);
7e356b2d
JA		 3536 if (*ptr)
3537 *ptr = strdup(*ptr);
d23bb327
JA		 3538 }
3539}
3540
de890a1e
SL		 3541/*
3542 * dupe FIO_OPT_STR_STORE options
3543 */
3544void fio_options_mem_dupe(struct thread_data *td)
3545{
9af4a244 3546 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 3547
3548 if (td->eo && td->io_ops) {
de890a1e 3549 void *oldeo = td->eo;
1647f592 3550
de890a1e
SL		 3551 td->eo = malloc(td->io_ops->option_struct_size);
3552 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3553 options_mem_dupe(td->eo, td->io_ops->options);
3554 }
3555}
3556
d6978a32
JA		 3557unsigned int fio_get_kb_base(void *data)
3558{
83ea422a 3559 struct thread_options *o = data;
d6978a32
JA		 3560 unsigned int kb_base = 0;
3561
83ea422a
JA		 3562 if (o)
3563 kb_base = o->kb_base;
d6978a32
JA		 3564 if (!kb_base)
3565 kb_base = 1024;
3566
3567 return kb_base;
3568}
9f988e2e 3569
07b3232d 3570int add_option(struct fio_option *o)
9f988e2e 3571{
07b3232d
JA		 3572 struct fio_option *__o;
3573 int opt_index = 0;
3574
9af4a244 3575 __o = fio_options;
07b3232d
JA		 3576 while (__o->name) {
3577 opt_index++;
3578 __o++;
3579 }
3580
9af4a244 3581 memcpy(&fio_options[opt_index], o, sizeof(*o));
07b3232d 3582 return 0;
9f988e2e 3583}
e2de69da 3584
07b3232d 3585void invalidate_profile_options(const char *prof_name)
e2de69da 3586{
07b3232d 3587 struct fio_option *o;
e2de69da 3588
9af4a244 3589 o = fio_options;
07b3232d
JA		 3590 while (o->name) {
3591 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
3592 o->type = FIO_OPT_INVALID;
3593 o->prof_name = NULL;
3594 }
3595 o++;
e2de69da
JA		 3596 }
3597}
f5b6bb85
JA		 3598
3599void add_opt_posval(const char *optname, const char *ival, const char *help)
3600{
3601 struct fio_option *o;
3602 unsigned int i;
3603
9af4a244 3604 o = find_option(fio_options, optname);
f5b6bb85
JA		 3605 if (!o)
3606 return;
3607
3608 for (i = 0; i < PARSE_MAX_VP; i++) {
3609 if (o->posval[i].ival)
3610 continue;
3611
3612 o->posval[i].ival = ival;
3613 o->posval[i].help = help;
3614 break;
3615 }
3616}
3617
3618void del_opt_posval(const char *optname, const char *ival)
3619{
3620 struct fio_option *o;
3621 unsigned int i;
3622
9af4a244 3623 o = find_option(fio_options, optname);
f5b6bb85
JA		 3624 if (!o)
3625 return;
3626
3627 for (i = 0; i < PARSE_MAX_VP; i++) {
3628 if (!o->posval[i].ival)
3629 continue;
3630 if (strcmp(o->posval[i].ival, ival))
3631 continue;
3632
3633 o->posval[i].ival = NULL;
3634 o->posval[i].help = NULL;
3635 }
3636}
7e356b2d
JA		 3637
3638void fio_options_free(struct thread_data *td)
3639{
9af4a244 3640 options_free(fio_options, td);
de890a1e
SL		 3641 if (td->eo && td->io_ops && td->io_ops->options) {
3642 options_free(td->io_ops->options, td->eo);
3643 free(td->eo);
3644 td->eo = NULL;
3645 }
7e356b2d 3646}
c504ee55
JA		 3647
3648struct fio_option *fio_option_find(const char *name)
3649{
3650 return find_option(fio_options, name);
3651}
3652
fio - Flexible IO Tester