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Add helpers for getting/setting file engine data
[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)
d711cce5 101 perc = -1U;
564ca972 102 } else
d711cce5 103 perc = -1U;
564ca972 104
88038bc7 105 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
564ca972 106 log_err("fio: bssplit conversion failed\n");
d8b97c8e 107 free(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 129
d711cce5 130 if (bsp->perc == -1U)
564ca972
JA		 131 perc_missing++;
132 else
133 perc += bsp->perc;
134 }
135
40bafa33 136 if (perc > 100 && perc_missing > 1) {
564ca972 137 log_err("fio: bssplit percentages add to more than 100%%\n");
720e84ad 138 free(bssplit);
564ca972
JA		 139 return 1;
140 }
d711cce5 141
564ca972
JA		 142 /*
143 * If values didn't have a percentage set, divide the remains between
144 * them.
145 */
146 if (perc_missing) {
d711cce5 147 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 148 perc = 100;
83ea422a 149 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 150 struct bssplit *bsp = &bssplit[i];
564ca972 151
d711cce5 152 if (bsp->perc == -1U)
564ca972
JA		 153 bsp->perc = (100 - perc) / perc_missing;
154 }
155 }
156
83ea422a
JA		 157 o->min_bs[ddir] = min_bs;
158 o->max_bs[ddir] = max_bs;
564ca972
JA		 159
160 /*
161 * now sort based on percentages, for ease of lookup
162 */
83ea422a
JA		 163 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
164 o->bssplit[ddir] = bssplit;
720e84ad 165 return 0;
720e84ad
JA		 166}
167
168static int str_bssplit_cb(void *data, const char *input)
169{
170 struct thread_data *td = data;
6eaf09d6 171 char *str, *p, *odir, *ddir;
720e84ad
JA		 172 int ret = 0;
173
52c0cea3
JA		 174 if (parse_dryrun())
175 return 0;
176
720e84ad
JA		 177 p = str = strdup(input);
178
179 strip_blank_front(&str);
180 strip_blank_end(str);
181
182 odir = strchr(str, ',');
183 if (odir) {
6eaf09d6
SL		 184 ddir = strchr(odir + 1, ',');
185 if (ddir) {
d79db122 186 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL		 187 if (!ret)
188 *ddir = '\0';
189 } else {
190 char *op;
191
192 op = strdup(odir + 1);
d79db122 193 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 194
195 free(op);
196 }
d79db122
JA		 197 if (!ret)
198 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA		 199 if (!ret) {
200 *odir = '\0';
83ea422a 201 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad
JA		 202 }
203 } else {
204 char *op;
205
206 op = strdup(str);
d79db122 207 ret = bssplit_ddir(&td->o, DDIR_WRITE, op);
6eaf09d6 208 free(op);
720e84ad 209
6eaf09d6
SL		 210 if (!ret) {
211 op = strdup(str);
d79db122 212 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 213 free(op);
214 }
83ea422a 215 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad 216 }
564ca972
JA		 217
218 free(p);
720e84ad 219 return ret;
564ca972
JA		 220}
221
8b28bd41
DM		 222static int str2error(char *str)
223{
a94eb99a 224 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 225 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
226 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
227 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
228 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
229 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
230 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 231 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
8b28bd41
DM		 232 int i = 0, num = sizeof(err) / sizeof(void *);
233
a94eb99a 234 while (i < num) {
8b28bd41
DM		 235 if (!strcmp(err[i], str))
236 return i + 1;
237 i++;
238 }
239 return 0;
240}
241
242static int ignore_error_type(struct thread_data *td, int etype, char *str)
243{
244 unsigned int i;
245 int *error;
246 char *fname;
247
248 if (etype >= ERROR_TYPE_CNT) {
249 log_err("Illegal error type\n");
250 return 1;
251 }
252
253 td->o.ignore_error_nr[etype] = 4;
254 error = malloc(4 * sizeof(struct bssplit));
255
256 i = 0;
257 while ((fname = strsep(&str, ":")) != NULL) {
258
259 if (!strlen(fname))
260 break;
261
262 /*
263 * grow struct buffer, if needed
264 */
265 if (i == td->o.ignore_error_nr[etype]) {
266 td->o.ignore_error_nr[etype] <<= 1;
267 error = realloc(error, td->o.ignore_error_nr[etype]
268 * sizeof(int));
269 }
270 if (fname[0] == 'E') {
271 error[i] = str2error(fname);
272 } else {
273 error[i] = atoi(fname);
274 if (error[i] < 0)
1616e025 275 error[i] = -error[i];
8b28bd41
DM		 276 }
277 if (!error[i]) {
278 log_err("Unknown error %s, please use number value \n",
279 fname);
0fddbf7a 280 free(error);
8b28bd41
DM		 281 return 1;
282 }
283 i++;
284 }
285 if (i) {
286 td->o.continue_on_error |= 1 << etype;
287 td->o.ignore_error_nr[etype] = i;
288 td->o.ignore_error[etype] = error;
c7b086be
JA		 289 } else
290 free(error);
291
8b28bd41
DM		 292 return 0;
293
294}
295
296static int str_ignore_error_cb(void *data, const char *input)
297{
298 struct thread_data *td = data;
299 char *str, *p, *n;
300 int type = 0, ret = 1;
52c0cea3
JA		 301
302 if (parse_dryrun())
303 return 0;
304
8b28bd41
DM		 305 p = str = strdup(input);
306
307 strip_blank_front(&str);
308 strip_blank_end(str);
309
310 while (p) {
311 n = strchr(p, ',');
312 if (n)
313 *n++ = '\0';
314 ret = ignore_error_type(td, type, p);
315 if (ret)
316 break;
317 p = n;
318 type++;
319 }
320 free(str);
321 return ret;
322}
323
211097b2
JA		 324static int str_rw_cb(void *data, const char *str)
325{
326 struct thread_data *td = data;
83ea422a 327 struct thread_options *o = &td->o;
27ca949f 328 char *nr;
211097b2 329
52c0cea3
JA		 330 if (parse_dryrun())
331 return 0;
332
83ea422a
JA		 333 o->ddir_seq_nr = 1;
334 o->ddir_seq_add = 0;
059b0802 335
27ca949f 336 nr = get_opt_postfix(str);
059b0802
JA		 337 if (!nr)
338 return 0;
339
340 if (td_random(td))
83ea422a 341 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 342 else {
343 long long val;
344
88038bc7 345 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 346 log_err("fio: rw postfix parsing failed\n");
347 free(nr);
348 return 1;
349 }
350
83ea422a 351 o->ddir_seq_add = val;
182ec6ee 352 }
211097b2 353
059b0802 354 free(nr);
211097b2
JA		 355 return 0;
356}
357
214e1eca
JA		 358static int str_mem_cb(void *data, const char *mem)
359{
360 struct thread_data *td = data;
361
d9759b1e 362 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
836fcc0f 363 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 364
365 return 0;
366}
367
c223da83
JA		 368static int fio_clock_source_cb(void *data, const char *str)
369{
370 struct thread_data *td = data;
371
372 fio_clock_source = td->o.clocksource;
fa80feae 373 fio_clock_source_set = 1;
01423eae 374 fio_clock_init();
c223da83
JA		 375 return 0;
376}
377
85bc833b 378static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA		 379{
380 struct thread_data *td = data;
381
382 td->o.rwmix[DDIR_READ] = *val;
383 td->o.rwmix[DDIR_WRITE] = 100 - *val;
384 return 0;
385}
386
85bc833b 387static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA		 388{
389 struct thread_data *td = data;
390
391 td->o.rwmix[DDIR_WRITE] = *val;
392 td->o.rwmix[DDIR_READ] = 100 - *val;
393 return 0;
394}
395
214e1eca
JA		 396static int str_exitall_cb(void)
397{
398 exitall_on_terminate = 1;
399 return 0;
400}
401
214e1eca 402#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 403int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 404{
50b5860b 405 unsigned int i, index, cpus_in_mask;
c2acfbac 406 const long max_cpu = cpus_online();
c2acfbac 407
50b5860b
JA		 408 cpus_in_mask = fio_cpu_count(mask);
409 cpu_index = cpu_index % cpus_in_mask;
410
411 index = 0;
c2acfbac 412 for (i = 0; i < max_cpu; i++) {
50b5860b 413 if (!fio_cpu_isset(mask, i))
c2acfbac 414 continue;
50b5860b
JA		 415
416 if (cpu_index != index)
417 fio_cpu_clear(mask, i);
418
419 index++;
c2acfbac
JA		 420 }
421
422 return fio_cpu_count(mask);
423}
424
85bc833b 425static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA		 426{
427 struct thread_data *td = data;
214e1eca 428 unsigned int i;
b03daafb 429 long max_cpu;
d2ce18b5
JA		 430 int ret;
431
52c0cea3
JA		 432 if (parse_dryrun())
433 return 0;
434
d2ce18b5
JA		 435 ret = fio_cpuset_init(&td->o.cpumask);
436 if (ret < 0) {
437 log_err("fio: cpuset_init failed\n");
438 td_verror(td, ret, "fio_cpuset_init");
439 return 1;
440 }
214e1eca 441
c00a2289 442 max_cpu = cpus_online();
214e1eca 443
62a7273d
JA		 444 for (i = 0; i < sizeof(int) * 8; i++) {
445 if ((1 << i) & *val) {
b03daafb
JA		 446 if (i > max_cpu) {
447 log_err("fio: CPU %d too large (max=%ld)\n", i,
448 max_cpu);
449 return 1;
450 }
62a7273d 451 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 452 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 453 }
454 }
d2e268b0 455
d2e268b0 456 return 0;
214e1eca
JA		 457}
458
e8462bd8
JA		 459static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
460 const char *input)
214e1eca 461{
d2e268b0 462 char *cpu, *str, *p;
b03daafb 463 long max_cpu;
19608d6c 464 int ret = 0;
d2e268b0 465
e8462bd8 466 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 467 if (ret < 0) {
468 log_err("fio: cpuset_init failed\n");
469 td_verror(td, ret, "fio_cpuset_init");
470 return 1;
471 }
d2e268b0
JA		 472
473 p = str = strdup(input);
214e1eca 474
d2e268b0
JA		 475 strip_blank_front(&str);
476 strip_blank_end(str);
477
c00a2289 478 max_cpu = cpus_online();
b03daafb 479
d2e268b0 480 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 481 char *str2, *cpu2;
482 int icpu, icpu2;
483
d2e268b0
JA		 484 if (!strlen(cpu))
485 break;
62a7273d
JA		 486
487 str2 = cpu;
488 icpu2 = -1;
489 while ((cpu2 = strsep(&str2, "-")) != NULL) {
490 if (!strlen(cpu2))
491 break;
492
493 icpu2 = atoi(cpu2);
494 }
495
496 icpu = atoi(cpu);
497 if (icpu2 == -1)
498 icpu2 = icpu;
499 while (icpu <= icpu2) {
6d459ee7 500 if (icpu >= FIO_MAX_CPUS) {
19608d6c 501 log_err("fio: your OS only supports up to"
6d459ee7 502 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 503 ret = 1;
504 break;
505 }
b03daafb
JA		 506 if (icpu > max_cpu) {
507 log_err("fio: CPU %d too large (max=%ld)\n",
508 icpu, max_cpu);
509 ret = 1;
510 break;
511 }
0b9d69ec 512
62a7273d 513 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 514 fio_cpu_set(mask, icpu);
62a7273d
JA		 515 icpu++;
516 }
19608d6c
JA		 517 if (ret)
518 break;
d2e268b0
JA		 519 }
520
521 free(p);
19608d6c 522 return ret;
214e1eca 523}
e8462bd8
JA		 524
525static int str_cpus_allowed_cb(void *data, const char *input)
526{
527 struct thread_data *td = data;
e8462bd8 528
52c0cea3
JA		 529 if (parse_dryrun())
530 return 0;
531
b2a9e649 532 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 533}
534
535static int str_verify_cpus_allowed_cb(void *data, const char *input)
536{
537 struct thread_data *td = data;
e8462bd8 538
b2a9e649 539 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 540}
d2e268b0 541#endif
214e1eca 542
67bf9823 543#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 544static int str_numa_cpunodes_cb(void *data, char *input)
545{
546 struct thread_data *td = data;
43522848 547 struct bitmask *verify_bitmask;
d0b937ed 548
52c0cea3
JA		 549 if (parse_dryrun())
550 return 0;
551
d0b937ed
YR		 552 /* numa_parse_nodestring() parses a character string list
553 * of nodes into a bit mask. The bit mask is allocated by
554 * numa_allocate_nodemask(), so it should be freed by
555 * numa_free_nodemask().
556 */
43522848
DG		 557 verify_bitmask = numa_parse_nodestring(input);
558 if (verify_bitmask == NULL) {
d0b937ed
YR		 559 log_err("fio: numa_parse_nodestring failed\n");
560 td_verror(td, 1, "str_numa_cpunodes_cb");
561 return 1;
562 }
43522848 563 numa_free_nodemask(verify_bitmask);
d0b937ed 564
43522848 565 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 566 return 0;
567}
568
569static int str_numa_mpol_cb(void *data, char *input)
570{
571 struct thread_data *td = data;
572 const char * const policy_types[] =
05d6f44b 573 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 574 int i;
52c0cea3 575 char *nodelist;
43522848 576 struct bitmask *verify_bitmask;
52c0cea3
JA		 577
578 if (parse_dryrun())
579 return 0;
d0b937ed 580
52c0cea3 581 nodelist = strchr(input, ':');
d0b937ed
YR		 582 if (nodelist) {
583 /* NUL-terminate mode */
584 *nodelist++ = '\0';
585 }
586
587 for (i = 0; i <= MPOL_LOCAL; i++) {
588 if (!strcmp(input, policy_types[i])) {
589 td->o.numa_mem_mode = i;
590 break;
591 }
592 }
593 if (i > MPOL_LOCAL) {
594 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
595 goto out;
596 }
597
598 switch (td->o.numa_mem_mode) {
599 case MPOL_PREFERRED:
600 /*
601 * Insist on a nodelist of one node only
602 */
603 if (nodelist) {
604 char *rest = nodelist;
605 while (isdigit(*rest))
606 rest++;
607 if (*rest) {
608 log_err("fio: one node only for \'prefer\'\n");
609 goto out;
610 }
611 } else {
612 log_err("fio: one node is needed for \'prefer\'\n");
613 goto out;
614 }
615 break;
616 case MPOL_INTERLEAVE:
617 /*
618 * Default to online nodes with memory if no nodelist
619 */
620 if (!nodelist)
621 nodelist = strdup("all");
622 break;
623 case MPOL_LOCAL:
624 case MPOL_DEFAULT:
625 /*
626 * Don't allow a nodelist
627 */
628 if (nodelist) {
629 log_err("fio: NO nodelist for \'local\'\n");
630 goto out;
631 }
632 break;
633 case MPOL_BIND:
634 /*
635 * Insist on a nodelist
636 */
637 if (!nodelist) {
638 log_err("fio: a nodelist is needed for \'bind\'\n");
639 goto out;
640 }
641 break;
642 }
643
644
645 /* numa_parse_nodestring() parses a character string list
646 * of nodes into a bit mask. The bit mask is allocated by
647 * numa_allocate_nodemask(), so it should be freed by
648 * numa_free_nodemask().
649 */
650 switch (td->o.numa_mem_mode) {
651 case MPOL_PREFERRED:
652 td->o.numa_mem_prefer_node = atoi(nodelist);
653 break;
654 case MPOL_INTERLEAVE:
655 case MPOL_BIND:
43522848
DG		 656 verify_bitmask = numa_parse_nodestring(nodelist);
657 if (verify_bitmask == NULL) {
d0b937ed
YR		 658 log_err("fio: numa_parse_nodestring failed\n");
659 td_verror(td, 1, "str_numa_memnodes_cb");
660 return 1;
661 }
43522848
DG		 662 td->o.numa_memnodes = strdup(nodelist);
663 numa_free_nodemask(verify_bitmask);
b74e419e 664
d0b937ed
YR		 665 break;
666 case MPOL_LOCAL:
667 case MPOL_DEFAULT:
668 default:
669 break;
670 }
671
d0b937ed 672 return 0;
d0b937ed
YR		 673out:
674 return 1;
675}
676#endif
677
214e1eca
JA		 678static int str_fst_cb(void *data, const char *str)
679{
680 struct thread_data *td = data;
681 char *nr = get_opt_postfix(str);
682
683 td->file_service_nr = 1;
182ec6ee 684 if (nr) {
214e1eca 685 td->file_service_nr = atoi(nr);
182ec6ee
JA		 686 free(nr);
687 }
214e1eca
JA		 688
689 return 0;
690}
691
67bf9823 692#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 693static int str_sfr_cb(void *data, const char *str)
694{
695 struct thread_data *td = data;
696 char *nr = get_opt_postfix(str);
697
698 td->sync_file_range_nr = 1;
699 if (nr) {
700 td->sync_file_range_nr = atoi(nr);
701 free(nr);
702 }
703
704 return 0;
705}
3ae06371 706#endif
44f29692 707
e25839d4
JA		 708static int str_random_distribution_cb(void *data, const char *str)
709{
710 struct thread_data *td = data;
711 double val;
712 char *nr;
713
52c0cea3
JA		 714 if (parse_dryrun())
715 return 0;
716
925fee33
JA		 717 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
718 val = 1.1;
719 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
720 val = 0.2;
721 else
e25839d4
JA		 722 return 0;
723
724 nr = get_opt_postfix(str);
88038bc7 725 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 726 log_err("fio: random postfix parsing failed\n");
727 free(nr);
728 return 1;
729 }
730
078189c1
JA		 731 free(nr);
732
18ded917
JA		 733 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
734 if (val == 1.00) {
735 log_err("fio: zipf theta must different than 1.0\n");
736 return 1;
737 }
1e5324e7 738 td->o.zipf_theta.u.f = val;
18ded917 739 } else {
078189c1
JA		 740 if (val <= 0.00 || val >= 1.00) {
741 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
742 return 1;
743 }
1e5324e7 744 td->o.pareto_h.u.f = val;
fcef0b35 745 }
921c766f
JA		 746
747 return 0;
748}
749
8e827d35 750/*
bcbfeefa 751 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 752 * is escaped with a '\', then that ':' is part of the filename and does not
753 * indicate a new file.
754 */
bcbfeefa 755static char *get_next_name(char **ptr)
8e827d35
JA		 756{
757 char *str = *ptr;
758 char *p, *start;
759
760 if (!str || !strlen(str))
761 return NULL;
762
763 start = str;
764 do {
765 /*
766 * No colon, we are done
767 */
768 p = strchr(str, ':');
769 if (!p) {
770 *ptr = NULL;
771 break;
772 }
773
774 /*
775 * We got a colon, but it's the first character. Skip and
776 * continue
777 */
778 if (p == start) {
779 str = ++start;
780 continue;
781 }
782
783 if (*(p - 1) != '\\') {
784 *p = '\0';
785 *ptr = p + 1;
786 break;
787 }
788
789 memmove(p - 1, p, strlen(p) + 1);
790 str = p;
791 } while (1);
792
793 return start;
794}
795
bcbfeefa
CE		 796
797static int get_max_name_idx(char *input)
798{
799 unsigned int cur_idx;
800 char *str, *p;
801
802 p = str = strdup(input);
803 for (cur_idx = 0; ; cur_idx++)
804 if (get_next_name(&str) == NULL)
805 break;
806
807 free(p);
808 return cur_idx;
809}
810
811/*
812 * Returns the directory at the index, indexes > entires will be
813 * assigned via modulo division of the index
814 */
815int set_name_idx(char *target, char *input, int index)
816{
817 unsigned int cur_idx;
818 int len;
819 char *fname, *str, *p;
820
821 p = str = strdup(input);
822
823 index %= get_max_name_idx(input);
824 for (cur_idx = 0; cur_idx <= index; cur_idx++)
825 fname = get_next_name(&str);
826
827 len = sprintf(target, "%s/", fname);
828 free(p);
829
830 return len;
831}
832
214e1eca
JA		 833static int str_filename_cb(void *data, const char *input)
834{
835 struct thread_data *td = data;
836 char *fname, *str, *p;
837
838 p = str = strdup(input);
839
840 strip_blank_front(&str);
841 strip_blank_end(str);
842
843 if (!td->files_index)
2dc1bbeb 844 td->o.nr_files = 0;
214e1eca 845
bcbfeefa 846 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 847 if (!strlen(fname))
848 break;
5903e7b7 849 add_file(td, fname, 0, 1);
214e1eca
JA		 850 }
851
852 free(p);
853 return 0;
854}
855
bcbfeefa 856static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA		 857{
858 struct thread_data *td = data;
859 struct stat sb;
bcbfeefa
CE		 860 char *dirname, *str, *p;
861 int ret = 0;
214e1eca 862
f9633d72
JA		 863 if (parse_dryrun())
864 return 0;
865
bcbfeefa
CE		 866 p = str = strdup(td->o.directory);
867 while ((dirname = get_next_name(&str)) != NULL) {
868 if (lstat(dirname, &sb) < 0) {
869 ret = errno;
921c766f 870
bcbfeefa
CE		 871 log_err("fio: %s is not a directory\n", dirname);
872 td_verror(td, ret, "lstat");
873 goto out;
874 }
875 if (!S_ISDIR(sb.st_mode)) {
876 log_err("fio: %s is not a directory\n", dirname);
877 ret = 1;
878 goto out;
879 }
214e1eca
JA		 880 }
881
bcbfeefa
CE		 882out:
883 free(p);
884 return ret;
214e1eca
JA		 885}
886
f2a2803a
JA		 887static int str_lockfile_cb(void *data, const char fio_unused *str)
888{
889 struct thread_data *td = data;
890
891 if (td->files_index) {
892 log_err("fio: lockfile= option must precede filename=\n");
893 return 1;
894 }
895
896 return 0;
897}
898
214e1eca
JA		 899static int str_opendir_cb(void *data, const char fio_unused *str)
900{
901 struct thread_data *td = data;
902
52c0cea3
JA		 903 if (parse_dryrun())
904 return 0;
905
214e1eca 906 if (!td->files_index)
2dc1bbeb 907 td->o.nr_files = 0;
214e1eca 908
2dc1bbeb 909 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 910}
911
ce35b1ec
JA		 912static int pattern_cb(char *pattern, unsigned int max_size,
913 const char *input, unsigned int *pattern_bytes)
90059d65 914{
0e92f873 915 long off;
ce35b1ec
JA		 916 int i = 0, j = 0, len, k, base = 10;
917 uint32_t pattern_length;
3c3ed070 918 char *loc1, *loc2;
0e92f873 919
02975b64
JA		 920 /*
921 * Check if it's a string input
922 */
923 loc1 = strchr(input, '\"');
924 if (loc1) {
925 do {
926 loc1++;
927 if (*loc1 == '\0' || *loc1 == '\"')
928 break;
929
930 pattern[i] = *loc1;
931 i++;
932 } while (i < max_size);
933
934 if (!i)
935 return 1;
936
937 goto fill;
938 }
939
940 /*
941 * No string, find out if it's decimal or hexidecimal
942 */
0e92f873
RR		 943 loc1 = strstr(input, "0x");
944 loc2 = strstr(input, "0X");
945 if (loc1 || loc2)
946 base = 16;
947 off = strtol(input, NULL, base);
948 if (off != LONG_MAX || errno != ERANGE) {
949 while (off) {
ce35b1ec 950 pattern[i] = off & 0xff;
0e92f873
RR		 951 off >>= 8;
952 i++;
953 }
954 } else {
955 len = strlen(input);
956 k = len - 1;
957 if (base == 16) {
958 if (loc1)
959 j = loc1 - input + 2;
960 else
961 j = loc2 - input + 2;
962 } else
963 return 1;
ce35b1ec 964 if (len - j < max_size * 2) {
0e92f873
RR		 965 while (k >= j) {
966 off = converthexchartoint(input[k--]);
967 if (k >= j)
968 off += (converthexchartoint(input[k--])
969 * 16);
ce35b1ec 970 pattern[i++] = (char) off;
0e92f873
RR		 971 }
972 }
973 }
efcd9dcc
SL		 974
975 /*
976 * Fill the pattern all the way to the end. This greatly reduces
977 * the number of memcpy's we have to do when verifying the IO.
978 */
02975b64 979fill:
e078de4a 980 pattern_length = i;
ce35b1ec
JA		 981 while (i > 1 && i * 2 <= max_size) {
982 memcpy(&pattern[i], &pattern[0], i);
efcd9dcc
SL		 983 i *= 2;
984 }
e078de4a
JA		 985
986 /*
987 * Fill remainder, if the pattern multiple ends up not being
ce35b1ec 988 * max_size.
e078de4a 989 */
ce35b1ec
JA		 990 while (i > 1 && i < max_size) {
991 unsigned int b = min(pattern_length, max_size - i);
e078de4a 992
ce35b1ec 993 memcpy(&pattern[i], &pattern[0], b);
e078de4a
JA		 994 i += b;
995 }
996
9a2a86d0
SL		 997 if (i == 1) {
998 /*
d2ba0d7c
JA		 999 * The code in verify_io_u_pattern assumes a single byte
1000 * pattern fills the whole verify pattern buffer.
9a2a86d0 1001 */
ce35b1ec
JA		 1002 memset(pattern, pattern[0], max_size);
1003 }
1004
1005 *pattern_bytes = i;
1006 return 0;
1007}
1008
1009static int str_buffer_pattern_cb(void *data, const char *input)
1010{
1011 struct thread_data *td = data;
1012 int ret;
1013
1014 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
1015 &td->o.buffer_pattern_bytes);
1016
d2ba0d7c 1017 if (!ret && td->o.buffer_pattern_bytes) {
3397806e
JA		 1018 if (!td->o.compress_percentage)
1019 td->o.refill_buffers = 0;
ce35b1ec
JA		 1020 td->o.scramble_buffers = 0;
1021 td->o.zero_buffers = 0;
d2ba0d7c
JA		 1022 } else {
1023 log_err("fio: failed parsing pattern `%s`\n", input);
1024 ret = 1;
9a2a86d0 1025 }
efcd9dcc 1026
ce35b1ec
JA		 1027 return ret;
1028}
1029
bedc9dc2
JA		 1030static int str_buffer_compress_cb(void *data, unsigned long long *il)
1031{
1032 struct thread_data *td = data;
1033
1034 td->flags |= TD_F_COMPRESS;
1035 td->o.compress_percentage = *il;
1036 return 0;
1037}
1038
5c94b008
JA		 1039static int str_dedupe_cb(void *data, unsigned long long *il)
1040{
1041 struct thread_data *td = data;
1042
1043 td->flags |= TD_F_COMPRESS;
1044 td->o.dedupe_percentage = *il;
1045 td->o.refill_buffers = 1;
1046 return 0;
1047}
1048
ce35b1ec
JA		 1049static int str_verify_pattern_cb(void *data, const char *input)
1050{
1051 struct thread_data *td = data;
1052 int ret;
1053
1054 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1055 &td->o.verify_pattern_bytes);
efcd9dcc 1056
92bf48d5
JA		 1057 /*
1058 * VERIFY_META could already be set
1059 */
ce35b1ec 1060 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 1061 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1062
ce35b1ec 1063 return ret;
90059d65 1064}
214e1eca 1065
993bf48b
JA		 1066static int str_gtod_reduce_cb(void *data, int *il)
1067{
1068 struct thread_data *td = data;
1069 int val = *il;
1070
02af0988 1071 td->o.disable_lat = !!val;
993bf48b
JA		 1072 td->o.disable_clat = !!val;
1073 td->o.disable_slat = !!val;
1074 td->o.disable_bw = !!val;
0dc1bc03 1075 td->o.clat_percentiles = !val;
993bf48b
JA		 1076 if (val)
1077 td->tv_cache_mask = 63;
1078
1079 return 0;
1080}
1081
85bc833b 1082static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA		 1083{
1084 struct thread_data *td = data;
1085 int val = *il;
1086
1087 td->o.gtod_cpu = val;
1088 td->o.gtod_offload = 1;
1089 return 0;
1090}
1091
7bb59102
JA		 1092static int str_size_cb(void *data, unsigned long long *__val)
1093{
1094 struct thread_data *td = data;
1095 unsigned long long v = *__val;
1096
1097 if (parse_is_percent(v)) {
1098 td->o.size = 0;
1099 td->o.size_percent = -1ULL - v;
1100 } else
1101 td->o.size = v;
1102
1103 return 0;
1104}
1105
896cac2a
JA		 1106static int rw_verify(struct fio_option *o, void *data)
1107{
1108 struct thread_data *td = data;
1109
1110 if (read_only && td_write(td)) {
1111 log_err("fio: job <%s> has write bit set, but fio is in"
1112 " read-only mode\n", td->o.name);
1113 return 1;
1114 }
1115
1116 return 0;
1117}
1118
276ca4f7 1119static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1120{
276ca4f7 1121#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1122 struct thread_data *td = data;
1123
29d43ff9
JA		 1124 if (td->o.gtod_cpu) {
1125 log_err("fio: platform must support CPU affinity for"
1126 "gettimeofday() offloading\n");
1127 return 1;
1128 }
1129#endif
1130
1131 return 0;
1132}
1133
9af4a244
JA		 1134/*
1135 * Option grouping
1136 */
1137static struct opt_group fio_opt_groups[] = {
1138 {
e8b0e958
JA		 1139 .name = "General",
1140 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 1141 },
1142 {
e8b0e958
JA		 1143 .name = "I/O",
1144 .mask = FIO_OPT_C_IO,
9af4a244
JA		 1145 },
1146 {
e8b0e958
JA		 1147 .name = "File",
1148 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 1149 },
1150 {
e8b0e958
JA		 1151 .name = "Statistics",
1152 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 1153 },
1154 {
e8b0e958
JA		 1155 .name = "Logging",
1156 .mask = FIO_OPT_C_LOG,
9af4a244 1157 },
13fca827
JA		 1158 {
1159 .name = "Profiles",
1160 .mask = FIO_OPT_C_PROFILE,
1161 },
e231bbe6 1162 {
e8b0e958 1163 .name = NULL,
e231bbe6 1164 },
e8b0e958
JA		 1165};
1166
1167static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1168 unsigned int inv_mask)
1169{
1170 struct opt_group *og;
1171 int i;
1172
1173 if (*mask == inv_mask || !*mask)
1174 return NULL;
1175
1176 for (i = 0; ogs[i].name; i++) {
1177 og = &ogs[i];
1178
1179 if (*mask & og->mask) {
1180 *mask &= ~(og->mask);
1181 return og;
1182 }
1183 }
1184
1185 return NULL;
1186}
1187
1188struct opt_group *opt_group_from_mask(unsigned int *mask)
1189{
1190 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1191}
1192
1193static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA		 1194 {
1195 .name = "Latency profiling",
1196 .mask = FIO_OPT_G_LATPROF,
1197 },
9af4a244 1198 {
e8b0e958
JA		 1199 .name = "Rate",
1200 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1201 },
1202 {
e8b0e958
JA		 1203 .name = "Zone",
1204 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1205 },
1206 {
e8b0e958
JA		 1207 .name = "Read/write mix",
1208 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1209 },
1210 {
1211 .name = "Verify",
1212 .mask = FIO_OPT_G_VERIFY,
1213 },
1214 {
e8b0e958
JA		 1215 .name = "Trim",
1216 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1217 },
1218 {
e8b0e958
JA		 1219 .name = "I/O Logging",
1220 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1221 },
1222 {
e8b0e958
JA		 1223 .name = "I/O Depth",
1224 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1225 },
1226 {
e8b0e958
JA		 1227 .name = "I/O Flow",
1228 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1229 },
0626037e
JA		 1230 {
1231 .name = "Description",
1232 .mask = FIO_OPT_G_DESC,
1233 },
1234 {
1235 .name = "Filename",
1236 .mask = FIO_OPT_G_FILENAME,
1237 },
1238 {
1239 .name = "General I/O",
1240 .mask = FIO_OPT_G_IO_BASIC,
1241 },
a1f6afec
JA		 1242 {
1243 .name = "Cgroups",
1244 .mask = FIO_OPT_G_CGROUP,
1245 },
1246 {
1247 .name = "Runtime",
1248 .mask = FIO_OPT_G_RUNTIME,
1249 },
10860056
JA		 1250 {
1251 .name = "Process",
1252 .mask = FIO_OPT_G_PROCESS,
1253 },
1254 {
1255 .name = "Job credentials / priority",
1256 .mask = FIO_OPT_G_CRED,
1257 },
1258 {
1259 .name = "Clock settings",
1260 .mask = FIO_OPT_G_CLOCK,
1261 },
3ceb458f
JA		 1262 {
1263 .name = "I/O Type",
1264 .mask = FIO_OPT_G_IO_TYPE,
1265 },
1266 {
1267 .name = "I/O Thinktime",
1268 .mask = FIO_OPT_G_THINKTIME,
1269 },
1270 {
1271 .name = "Randomizations",
1272 .mask = FIO_OPT_G_RANDOM,
1273 },
1274 {
1275 .name = "I/O buffers",
1276 .mask = FIO_OPT_G_IO_BUF,
1277 },
13fca827
JA		 1278 {
1279 .name = "Tiobench profile",
1280 .mask = FIO_OPT_G_TIOBENCH,
1281 },
1282
9af4a244
JA		 1283 {
1284 .name = NULL,
e8b0e958 1285 }
9af4a244
JA		 1286};
1287
e8b0e958 1288struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1289{
e8b0e958 1290 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1291}
1292
214e1eca
JA		 1293/*
1294 * Map of job/command line options
1295 */
9af4a244 1296struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1297 {
1298 .name = "description",
e8b0e958 1299 .lname = "Description of job",
214e1eca
JA		 1300 .type = FIO_OPT_STR_STORE,
1301 .off1 = td_var_offset(description),
1302 .help = "Text job description",
e8b0e958 1303 .category = FIO_OPT_C_GENERAL,
0626037e 1304 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1305 },
1306 {
1307 .name = "name",
e8b0e958 1308 .lname = "Job name",
214e1eca
JA		 1309 .type = FIO_OPT_STR_STORE,
1310 .off1 = td_var_offset(name),
1311 .help = "Name of this job",
e8b0e958 1312 .category = FIO_OPT_C_GENERAL,
0626037e 1313 .group = FIO_OPT_G_DESC,
214e1eca 1314 },
214e1eca
JA		 1315 {
1316 .name = "filename",
e8b0e958 1317 .lname = "Filename(s)",
214e1eca
JA		 1318 .type = FIO_OPT_STR_STORE,
1319 .off1 = td_var_offset(filename),
1320 .cb = str_filename_cb,
f0d524b0 1321 .prio = -1, /* must come after "directory" */
214e1eca 1322 .help = "File(s) to use for the workload",
e8b0e958 1323 .category = FIO_OPT_C_FILE,
0626037e 1324 .group = FIO_OPT_G_FILENAME,
214e1eca 1325 },
90fef2d1 1326 {
e8b0e958
JA		 1327 .name = "directory",
1328 .lname = "Directory",
1329 .type = FIO_OPT_STR_STORE,
1330 .off1 = td_var_offset(directory),
1331 .cb = str_directory_cb,
1332 .help = "Directory to store files in",
1333 .category = FIO_OPT_C_FILE,
0626037e 1334 .group = FIO_OPT_G_FILENAME,
90fef2d1 1335 },
de98bd30
JA		 1336 {
1337 .name = "filename_format",
1338 .type = FIO_OPT_STR_STORE,
1339 .off1 = td_var_offset(filename_format),
1340 .prio = -1, /* must come after "directory" */
1341 .help = "Override default $jobname.$jobnum.$filenum naming",
1342 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1343 .category = FIO_OPT_C_FILE,
1344 .group = FIO_OPT_G_FILENAME,
ad705bcb 1345 },
29c1349f
JA		 1346 {
1347 .name = "lockfile",
e8b0e958 1348 .lname = "Lockfile",
4d4e80f2 1349 .type = FIO_OPT_STR,
4d4e80f2 1350 .off1 = td_var_offset(file_lock_mode),
29c1349f 1351 .help = "Lock file when doing IO to it",
bc6a0a5d 1352 .prio = 1,
29c1349f 1353 .parent = "filename",
d71c154c 1354 .hide = 0,
4d4e80f2 1355 .def = "none",
f2a2803a 1356 .cb = str_lockfile_cb,
e8b0e958 1357 .category = FIO_OPT_C_FILE,
0626037e 1358 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1359 .posval = {
1360 { .ival = "none",
1361 .oval = FILE_LOCK_NONE,
1362 .help = "No file locking",
1363 },
1364 { .ival = "exclusive",
1365 .oval = FILE_LOCK_EXCLUSIVE,
1366 .help = "Exclusive file lock",
1367 },
1368 {
1369 .ival = "readwrite",
1370 .oval = FILE_LOCK_READWRITE,
1371 .help = "Read vs write lock",
1372 },
1373 },
29c1349f 1374 },
214e1eca
JA		 1375 {
1376 .name = "opendir",
e8b0e958 1377 .lname = "Open directory",
214e1eca
JA		 1378 .type = FIO_OPT_STR_STORE,
1379 .off1 = td_var_offset(opendir),
1380 .cb = str_opendir_cb,
1381 .help = "Recursively add files from this directory and down",
e8b0e958 1382 .category = FIO_OPT_C_FILE,
0626037e 1383 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1384 },
1385 {
1386 .name = "rw",
e8b0e958 1387 .lname = "Read/write",
d3aad8f2 1388 .alias = "readwrite",
214e1eca 1389 .type = FIO_OPT_STR,
211097b2 1390 .cb = str_rw_cb,
214e1eca
JA		 1391 .off1 = td_var_offset(td_ddir),
1392 .help = "IO direction",
1393 .def = "read",
896cac2a 1394 .verify = rw_verify,
e8b0e958 1395 .category = FIO_OPT_C_IO,
0626037e 1396 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1397 .posval = {
1398 { .ival = "read",
1399 .oval = TD_DDIR_READ,
1400 .help = "Sequential read",
1401 },
1402 { .ival = "write",
1403 .oval = TD_DDIR_WRITE,
1404 .help = "Sequential write",
1405 },
6eaf09d6
SL		 1406 { .ival = "trim",
1407 .oval = TD_DDIR_TRIM,
1408 .help = "Sequential trim",
1409 },
214e1eca
JA		 1410 { .ival = "randread",
1411 .oval = TD_DDIR_RANDREAD,
1412 .help = "Random read",
1413 },
1414 { .ival = "randwrite",
1415 .oval = TD_DDIR_RANDWRITE,
1416 .help = "Random write",
1417 },
6eaf09d6
SL		 1418 { .ival = "randtrim",
1419 .oval = TD_DDIR_RANDTRIM,
1420 .help = "Random trim",
1421 },
214e1eca
JA		 1422 { .ival = "rw",
1423 .oval = TD_DDIR_RW,
1424 .help = "Sequential read and write mix",
1425 },
10b023db
JA		 1426 { .ival = "readwrite",
1427 .oval = TD_DDIR_RW,
1428 .help = "Sequential read and write mix",
1429 },
214e1eca
JA		 1430 { .ival = "randrw",
1431 .oval = TD_DDIR_RANDRW,
1432 .help = "Random read and write mix"
1433 },
1434 },
1435 },
38dad62d
JA		 1436 {
1437 .name = "rw_sequencer",
e8b0e958 1438 .lname = "RW Sequencer",
38dad62d
JA		 1439 .type = FIO_OPT_STR,
1440 .off1 = td_var_offset(rw_seq),
1441 .help = "IO offset generator modifier",
1442 .def = "sequential",
e8b0e958 1443 .category = FIO_OPT_C_IO,
0626037e 1444 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1445 .posval = {
1446 { .ival = "sequential",
1447 .oval = RW_SEQ_SEQ,
1448 .help = "Generate sequential offsets",
1449 },
1450 { .ival = "identical",
1451 .oval = RW_SEQ_IDENT,
1452 .help = "Generate identical offsets",
1453 },
1454 },
1455 },
1456
214e1eca
JA		 1457 {
1458 .name = "ioengine",
e8b0e958 1459 .lname = "IO Engine",
214e1eca
JA		 1460 .type = FIO_OPT_STR_STORE,
1461 .off1 = td_var_offset(ioengine),
1462 .help = "IO engine to use",
58483fa4 1463 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1464 .category = FIO_OPT_C_IO,
0626037e 1465 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1466 .posval = {
1467 { .ival = "sync",
1468 .help = "Use read/write",
1469 },
a31041ea 1470 { .ival = "psync",
1471 .help = "Use pread/pwrite",
1472 },
1d2af02a 1473 { .ival = "vsync",
03e20d68 1474 .help = "Use readv/writev",
1d2af02a 1475 },
07fc0acd
JA		 1476#ifdef CONFIG_PWRITEV
1477 { .ival = "pvsync",
1478 .help = "Use preadv/pwritev",
1479 },
1480#endif
67bf9823 1481#ifdef CONFIG_LIBAIO
214e1eca
JA		 1482 { .ival = "libaio",
1483 .help = "Linux native asynchronous IO",
1484 },
1485#endif
67bf9823 1486#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1487 { .ival = "posixaio",
1488 .help = "POSIX asynchronous IO",
1489 },
417f0068 1490#endif
997843cb 1491#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1492 { .ival = "solarisaio",
1493 .help = "Solaris native asynchronous IO",
1494 },
214e1eca 1495#endif
4700b234 1496#ifdef CONFIG_WINDOWSAIO
03e20d68 1497 { .ival = "windowsaio",
3be80071 1498 .help = "Windows native asynchronous IO"
de890a1e 1499 },
fc5c0345
DG		 1500#endif
1501#ifdef CONFIG_RBD
1502 { .ival = "rbd",
1503 .help = "Rados Block Device asynchronous IO"
1504 },
3be80071 1505#endif
214e1eca 1506 { .ival = "mmap",
03e20d68 1507 .help = "Memory mapped IO"
214e1eca 1508 },
67bf9823 1509#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1510 { .ival = "splice",
1511 .help = "splice/vmsplice based IO",
1512 },
9cce02e8
JA		 1513 { .ival = "netsplice",
1514 .help = "splice/vmsplice to/from the network",
1515 },
214e1eca
JA		 1516#endif
1517#ifdef FIO_HAVE_SGIO
1518 { .ival = "sg",
1519 .help = "SCSI generic v3 IO",
1520 },
1521#endif
1522 { .ival = "null",
1523 .help = "Testing engine (no data transfer)",
1524 },
1525 { .ival = "net",
1526 .help = "Network IO",
1527 },
214e1eca 1528 { .ival = "cpuio",
03e20d68 1529 .help = "CPU cycle burner engine",
214e1eca 1530 },
67bf9823 1531#ifdef CONFIG_GUASI
b8c82a46
JA		 1532 { .ival = "guasi",
1533 .help = "GUASI IO engine",
1534 },
79a43187
JA		 1535#endif
1536#ifdef FIO_HAVE_BINJECT
1537 { .ival = "binject",
1538 .help = "binject direct inject block engine",
1539 },
21b8aee8 1540#endif
67bf9823 1541#ifdef CONFIG_RDMA
21b8aee8 1542 { .ival = "rdma",
1543 .help = "RDMA IO engine",
1544 },
8200b8c7 1545#endif
67bf9823 1546#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1547 { .ival = "fusion-aw-sync",
1548 .help = "Fusion-io atomic write engine",
1549 },
1ecc95ca 1550#endif
997843cb 1551#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1552 { .ival = "e4defrag",
1553 .help = "ext4 defrag engine",
1554 },
1555#endif
997843cb 1556#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1557 { .ival = "falloc",
1558 .help = "fallocate() file based engine",
1559 },
b8c82a46 1560#endif
a7c386f4 1561#ifdef CONFIG_GFAPI
1562 { .ival = "gfapi",
cc47f094 1563 .help = "Glusterfs libgfapi(sync) based engine"
1564 },
1565 { .ival = "gfapi_async",
1566 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1567 },
1568#endif
1b10477b 1569#ifdef CONFIG_LIBHDFS
b74e419e 1570 { .ival = "libhdfs",
1b10477b
MM		 1571 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1572 },
1573#endif
214e1eca
JA		 1574 { .ival = "external",
1575 .help = "Load external engine (append name)",
1576 },
1577 },
1578 },
1579 {
1580 .name = "iodepth",
e8b0e958 1581 .lname = "IO Depth",
214e1eca
JA		 1582 .type = FIO_OPT_INT,
1583 .off1 = td_var_offset(iodepth),
03e20d68 1584 .help = "Number of IO buffers to keep in flight",
757aff4f 1585 .minval = 1,
20eb06bd 1586 .interval = 1,
214e1eca 1587 .def = "1",
e8b0e958 1588 .category = FIO_OPT_C_IO,
0626037e 1589 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1590 },
1591 {
1592 .name = "iodepth_batch",
e8b0e958 1593 .lname = "IO Depth batch",
4950421a 1594 .alias = "iodepth_batch_submit",
214e1eca
JA		 1595 .type = FIO_OPT_INT,
1596 .off1 = td_var_offset(iodepth_batch),
d65db441 1597 .help = "Number of IO buffers to submit in one go",
afdf9352 1598 .parent = "iodepth",
d71c154c 1599 .hide = 1,
a2e6f8ac 1600 .minval = 1,
20eb06bd 1601 .interval = 1,
a2e6f8ac 1602 .def = "1",
e8b0e958 1603 .category = FIO_OPT_C_IO,
0626037e 1604 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1605 },
1606 {
1607 .name = "iodepth_batch_complete",
e8b0e958 1608 .lname = "IO Depth batch complete",
4950421a
JA		 1609 .type = FIO_OPT_INT,
1610 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1611 .help = "Number of IO buffers to retrieve in one go",
4950421a 1612 .parent = "iodepth",
d71c154c 1613 .hide = 1,
4950421a 1614 .minval = 0,
20eb06bd 1615 .interval = 1,
4950421a 1616 .def = "1",
e8b0e958 1617 .category = FIO_OPT_C_IO,
0626037e 1618 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1619 },
1620 {
1621 .name = "iodepth_low",
e8b0e958 1622 .lname = "IO Depth batch low",
214e1eca
JA		 1623 .type = FIO_OPT_INT,
1624 .off1 = td_var_offset(iodepth_low),
1625 .help = "Low water mark for queuing depth",
afdf9352 1626 .parent = "iodepth",
d71c154c 1627 .hide = 1,
20eb06bd 1628 .interval = 1,
e8b0e958 1629 .category = FIO_OPT_C_IO,
0626037e 1630 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1631 },
1632 {
1633 .name = "size",
e8b0e958 1634 .lname = "Size",
214e1eca 1635 .type = FIO_OPT_STR_VAL,
7bb59102 1636 .cb = str_size_cb,
a8523a6a 1637 .off1 = td_var_offset(size),
214e1eca 1638 .help = "Total size of device or files",
20eb06bd 1639 .interval = 1024 * 1024,
e8b0e958
JA		 1640 .category = FIO_OPT_C_IO,
1641 .group = FIO_OPT_G_INVALID,
214e1eca 1642 },
77731b29 1643 {
a4d3b4db
JA		 1644 .name = "io_size",
1645 .alias = "io_limit",
1646 .lname = "IO Size",
77731b29
JA		 1647 .type = FIO_OPT_STR_VAL,
1648 .off1 = td_var_offset(io_limit),
1649 .interval = 1024 * 1024,
1650 .category = FIO_OPT_C_IO,
1651 .group = FIO_OPT_G_INVALID,
1652 },
aa31f1f1
SL		 1653 {
1654 .name = "fill_device",
e8b0e958 1655 .lname = "Fill device",
74586c1e 1656 .alias = "fill_fs",
aa31f1f1
SL		 1657 .type = FIO_OPT_BOOL,
1658 .off1 = td_var_offset(fill_device),
1659 .help = "Write until an ENOSPC error occurs",
1660 .def = "0",
e8b0e958
JA		 1661 .category = FIO_OPT_C_FILE,
1662 .group = FIO_OPT_G_INVALID,
aa31f1f1 1663 },
214e1eca
JA		 1664 {
1665 .name = "filesize",
e8b0e958 1666 .lname = "File size",
214e1eca
JA		 1667 .type = FIO_OPT_STR_VAL,
1668 .off1 = td_var_offset(file_size_low),
1669 .off2 = td_var_offset(file_size_high),
c3edbdba 1670 .minval = 1,
214e1eca 1671 .help = "Size of individual files",
20eb06bd 1672 .interval = 1024 * 1024,
e8b0e958
JA		 1673 .category = FIO_OPT_C_FILE,
1674 .group = FIO_OPT_G_INVALID,
214e1eca 1675 },
bedc9dc2
JA		 1676 {
1677 .name = "file_append",
1678 .lname = "File append",
1679 .type = FIO_OPT_BOOL,
1680 .off1 = td_var_offset(file_append),
1681 .help = "IO will start at the end of the file(s)",
1682 .def = "0",
1683 .category = FIO_OPT_C_FILE,
1684 .group = FIO_OPT_G_INVALID,
1685 },
67a1000f
JA		 1686 {
1687 .name = "offset",
e8b0e958 1688 .lname = "IO offset",
67a1000f
JA		 1689 .alias = "fileoffset",
1690 .type = FIO_OPT_STR_VAL,
1691 .off1 = td_var_offset(start_offset),
1692 .help = "Start IO from this offset",
1693 .def = "0",
20eb06bd 1694 .interval = 1024 * 1024,
e8b0e958
JA		 1695 .category = FIO_OPT_C_IO,
1696 .group = FIO_OPT_G_INVALID,
67a1000f 1697 },
2d7cd868
JA		 1698 {
1699 .name = "offset_increment",
e8b0e958 1700 .lname = "IO offset increment",
2d7cd868
JA		 1701 .type = FIO_OPT_STR_VAL,
1702 .off1 = td_var_offset(offset_increment),
1703 .help = "What is the increment from one offset to the next",
1704 .parent = "offset",
d71c154c 1705 .hide = 1,
2d7cd868 1706 .def = "0",
20eb06bd 1707 .interval = 1024 * 1024,
e8b0e958
JA		 1708 .category = FIO_OPT_C_IO,
1709 .group = FIO_OPT_G_INVALID,
2d7cd868 1710 },
ddf24e42
JA		 1711 {
1712 .name = "number_ios",
1713 .lname = "Number of IOs to perform",
1714 .type = FIO_OPT_STR_VAL,
1715 .off1 = td_var_offset(number_ios),
be3fec7d 1716 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1717 .def = "0",
1718 .category = FIO_OPT_C_IO,
1719 .group = FIO_OPT_G_INVALID,
1720 },
214e1eca
JA		 1721 {
1722 .name = "bs",
e8b0e958 1723 .lname = "Block size",
d3aad8f2 1724 .alias = "blocksize",
e01b22b8 1725 .type = FIO_OPT_INT,
214e1eca
JA		 1726 .off1 = td_var_offset(bs[DDIR_READ]),
1727 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1728 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1729 .minval = 1,
214e1eca
JA		 1730 .help = "Block size unit",
1731 .def = "4k",
67a1000f 1732 .parent = "rw",
d71c154c 1733 .hide = 1,
20eb06bd 1734 .interval = 512,
e8b0e958
JA		 1735 .category = FIO_OPT_C_IO,
1736 .group = FIO_OPT_G_INVALID,
214e1eca 1737 },
2b7a01d0
JA		 1738 {
1739 .name = "ba",
e8b0e958 1740 .lname = "Block size align",
2b7a01d0 1741 .alias = "blockalign",
e01b22b8 1742 .type = FIO_OPT_INT,
2b7a01d0
JA		 1743 .off1 = td_var_offset(ba[DDIR_READ]),
1744 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1745 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1746 .minval = 1,
1747 .help = "IO block offset alignment",
1748 .parent = "rw",
d71c154c 1749 .hide = 1,
20eb06bd 1750 .interval = 512,
e8b0e958
JA		 1751 .category = FIO_OPT_C_IO,
1752 .group = FIO_OPT_G_INVALID,
2b7a01d0 1753 },
214e1eca
JA		 1754 {
1755 .name = "bsrange",
e8b0e958 1756 .lname = "Block size range",
d3aad8f2 1757 .alias = "blocksize_range",
214e1eca
JA		 1758 .type = FIO_OPT_RANGE,
1759 .off1 = td_var_offset(min_bs[DDIR_READ]),
1760 .off2 = td_var_offset(max_bs[DDIR_READ]),
1761 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1762 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1763 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1764 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1765 .minval = 1,
214e1eca 1766 .help = "Set block size range (in more detail than bs)",
67a1000f 1767 .parent = "rw",
d71c154c 1768 .hide = 1,
20eb06bd 1769 .interval = 4096,
e8b0e958
JA		 1770 .category = FIO_OPT_C_IO,
1771 .group = FIO_OPT_G_INVALID,
214e1eca 1772 },
564ca972
JA		 1773 {
1774 .name = "bssplit",
e8b0e958 1775 .lname = "Block size split",
564ca972
JA		 1776 .type = FIO_OPT_STR,
1777 .cb = str_bssplit_cb,
a8523a6a 1778 .off1 = td_var_offset(bssplit),
564ca972
JA		 1779 .help = "Set a specific mix of block sizes",
1780 .parent = "rw",
d71c154c 1781 .hide = 1,
e8b0e958
JA		 1782 .category = FIO_OPT_C_IO,
1783 .group = FIO_OPT_G_INVALID,
564ca972 1784 },
214e1eca
JA		 1785 {
1786 .name = "bs_unaligned",
e8b0e958 1787 .lname = "Block size unaligned",
d3aad8f2 1788 .alias = "blocksize_unaligned",
214e1eca
JA		 1789 .type = FIO_OPT_STR_SET,
1790 .off1 = td_var_offset(bs_unaligned),
1791 .help = "Don't sector align IO buffer sizes",
67a1000f 1792 .parent = "rw",
d71c154c 1793 .hide = 1,
e8b0e958
JA		 1794 .category = FIO_OPT_C_IO,
1795 .group = FIO_OPT_G_INVALID,
214e1eca 1796 },
6aca9b3d
JA		 1797 {
1798 .name = "bs_is_seq_rand",
1799 .lname = "Block size division is seq/random (not read/write)",
1800 .type = FIO_OPT_BOOL,
1801 .off1 = td_var_offset(bs_is_seq_rand),
86d59660 1802 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 1803 .def = "0",
1804 .parent = "blocksize",
1805 .category = FIO_OPT_C_IO,
1806 .group = FIO_OPT_G_INVALID,
1807 },
214e1eca
JA		 1808 {
1809 .name = "randrepeat",
e8b0e958 1810 .lname = "Random repeatable",
214e1eca
JA		 1811 .type = FIO_OPT_BOOL,
1812 .off1 = td_var_offset(rand_repeatable),
1813 .help = "Use repeatable random IO pattern",
1814 .def = "1",
67a1000f 1815 .parent = "rw",
d71c154c 1816 .hide = 1,
e8b0e958 1817 .category = FIO_OPT_C_IO,
3ceb458f 1818 .group = FIO_OPT_G_RANDOM,
214e1eca 1819 },
04778baf
JA		 1820 {
1821 .name = "randseed",
1822 .lname = "The random generator seed",
363cffa7 1823 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1824 .off1 = td_var_offset(rand_seed),
1825 .help = "Set the random generator seed value",
1826 .parent = "rw",
1827 .category = FIO_OPT_C_IO,
1828 .group = FIO_OPT_G_RANDOM,
1829 },
2615cc4b
JA		 1830 {
1831 .name = "use_os_rand",
e8b0e958 1832 .lname = "Use OS random",
54a21917
JA		 1833 .type = FIO_OPT_DEPRECATED,
1834 .off1 = td_var_offset(dep_use_os_rand),
e8b0e958 1835 .category = FIO_OPT_C_IO,
3ceb458f 1836 .group = FIO_OPT_G_RANDOM,
2615cc4b 1837 },
214e1eca
JA		 1838 {
1839 .name = "norandommap",
e8b0e958 1840 .lname = "No randommap",
214e1eca
JA		 1841 .type = FIO_OPT_STR_SET,
1842 .off1 = td_var_offset(norandommap),
1843 .help = "Accept potential duplicate random blocks",
67a1000f 1844 .parent = "rw",
d71c154c 1845 .hide = 1,
b2452a43 1846 .hide_on_set = 1,
e8b0e958 1847 .category = FIO_OPT_C_IO,
3ceb458f 1848 .group = FIO_OPT_G_RANDOM,
214e1eca 1849 },
2b386d25
JA		 1850 {
1851 .name = "softrandommap",
e8b0e958 1852 .lname = "Soft randommap",
2b386d25
JA		 1853 .type = FIO_OPT_BOOL,
1854 .off1 = td_var_offset(softrandommap),
f66ab3c8 1855 .help = "Set norandommap if randommap allocation fails",
2b386d25 1856 .parent = "norandommap",
d71c154c 1857 .hide = 1,
2b386d25 1858 .def = "0",
e8b0e958 1859 .category = FIO_OPT_C_IO,
3ceb458f 1860 .group = FIO_OPT_G_RANDOM,
2b386d25 1861 },
8055e41d
JA		 1862 {
1863 .name = "random_generator",
1864 .type = FIO_OPT_STR,
1865 .off1 = td_var_offset(random_generator),
1866 .help = "Type of random number generator to use",
1867 .def = "tausworthe",
1868 .posval = {
1869 { .ival = "tausworthe",
1870 .oval = FIO_RAND_GEN_TAUSWORTHE,
1871 .help = "Strong Tausworthe generator",
1872 },
1873 { .ival = "lfsr",
1874 .oval = FIO_RAND_GEN_LFSR,
1875 .help = "Variable length LFSR",
1876 },
1877 },
48107598
JA		 1878 .category = FIO_OPT_C_IO,
1879 .group = FIO_OPT_G_RANDOM,
8055e41d 1880 },
e25839d4
JA		 1881 {
1882 .name = "random_distribution",
1883 .type = FIO_OPT_STR,
1884 .off1 = td_var_offset(random_distribution),
1885 .cb = str_random_distribution_cb,
1886 .help = "Random offset distribution generator",
1887 .def = "random",
1888 .posval = {
1889 { .ival = "random",
1890 .oval = FIO_RAND_DIST_RANDOM,
1891 .help = "Completely random",
1892 },
1893 { .ival = "zipf",
1894 .oval = FIO_RAND_DIST_ZIPF,
1895 .help = "Zipf distribution",
1896 },
925fee33
JA		 1897 { .ival = "pareto",
1898 .oval = FIO_RAND_DIST_PARETO,
1899 .help = "Pareto distribution",
1900 },
e25839d4 1901 },
48107598
JA		 1902 .category = FIO_OPT_C_IO,
1903 .group = FIO_OPT_G_RANDOM,
e25839d4 1904 },
211c9b89
JA		 1905 {
1906 .name = "percentage_random",
1907 .lname = "Percentage Random",
1908 .type = FIO_OPT_INT,
d9472271
JA		 1909 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1910 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1911 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1912 .maxval = 100,
1913 .help = "Percentage of seq/random mix that should be random",
d9472271 1914 .def = "100,100,100",
211c9b89
JA		 1915 .interval = 5,
1916 .inverse = "percentage_sequential",
1917 .category = FIO_OPT_C_IO,
1918 .group = FIO_OPT_G_RANDOM,
1919 },
1920 {
1921 .name = "percentage_sequential",
1922 .lname = "Percentage Sequential",
d9472271 1923 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1924 .category = FIO_OPT_C_IO,
1925 .group = FIO_OPT_G_RANDOM,
1926 },
56e2a5fc
CE		 1927 {
1928 .name = "allrandrepeat",
1929 .type = FIO_OPT_BOOL,
1930 .off1 = td_var_offset(allrand_repeatable),
1931 .help = "Use repeatable random numbers for everything",
1932 .def = "0",
a869d9c6
JA		 1933 .category = FIO_OPT_C_IO,
1934 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1935 },
214e1eca
JA		 1936 {
1937 .name = "nrfiles",
e8b0e958 1938 .lname = "Number of files",
d7c8be03 1939 .alias = "nr_files",
214e1eca
JA		 1940 .type = FIO_OPT_INT,
1941 .off1 = td_var_offset(nr_files),
1942 .help = "Split job workload between this number of files",
1943 .def = "1",
20eb06bd 1944 .interval = 1,
e8b0e958
JA		 1945 .category = FIO_OPT_C_FILE,
1946 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1947 },
1948 {
1949 .name = "openfiles",
e8b0e958 1950 .lname = "Number of open files",
214e1eca
JA		 1951 .type = FIO_OPT_INT,
1952 .off1 = td_var_offset(open_files),
1953 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1954 .category = FIO_OPT_C_FILE,
1955 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1956 },
1957 {
1958 .name = "file_service_type",
e8b0e958 1959 .lname = "File service type",
214e1eca
JA		 1960 .type = FIO_OPT_STR,
1961 .cb = str_fst_cb,
1962 .off1 = td_var_offset(file_service_type),
1963 .help = "How to select which file to service next",
1964 .def = "roundrobin",
e8b0e958
JA		 1965 .category = FIO_OPT_C_FILE,
1966 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1967 .posval = {
1968 { .ival = "random",
1969 .oval = FIO_FSERVICE_RANDOM,
1970 .help = "Choose a file at random",
1971 },
1972 { .ival = "roundrobin",
1973 .oval = FIO_FSERVICE_RR,
1974 .help = "Round robin select files",
1975 },
a086c257
JA		 1976 { .ival = "sequential",
1977 .oval = FIO_FSERVICE_SEQ,
1978 .help = "Finish one file before moving to the next",
1979 },
214e1eca 1980 },
67a1000f 1981 .parent = "nrfiles",
d71c154c 1982 .hide = 1,
67a1000f 1983 },
97ac992c 1984#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 1985 {
1986 .name = "fallocate",
e8b0e958 1987 .lname = "Fallocate",
a596f047
EG		 1988 .type = FIO_OPT_STR,
1989 .off1 = td_var_offset(fallocate_mode),
1990 .help = "Whether pre-allocation is performed when laying out files",
1991 .def = "posix",
e8b0e958
JA		 1992 .category = FIO_OPT_C_FILE,
1993 .group = FIO_OPT_G_INVALID,
a596f047
EG		 1994 .posval = {
1995 { .ival = "none",
1996 .oval = FIO_FALLOCATE_NONE,
1997 .help = "Do not pre-allocate space",
1998 },
1999 { .ival = "posix",
2000 .oval = FIO_FALLOCATE_POSIX,
2001 .help = "Use posix_fallocate()",
2002 },
97ac992c 2003#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2004 { .ival = "keep",
2005 .oval = FIO_FALLOCATE_KEEP_SIZE,
2006 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2007 },
7bc8c2cf 2008#endif
a596f047
EG		 2009 /* Compatibility with former boolean values */
2010 { .ival = "0",
2011 .oval = FIO_FALLOCATE_NONE,
2012 .help = "Alias for 'none'",
2013 },
2014 { .ival = "1",
2015 .oval = FIO_FALLOCATE_POSIX,
2016 .help = "Alias for 'posix'",
2017 },
2018 },
2019 },
97ac992c 2020#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2021 {
2022 .name = "fadvise_hint",
e8b0e958 2023 .lname = "Fadvise hint",
67a1000f
JA		 2024 .type = FIO_OPT_BOOL,
2025 .off1 = td_var_offset(fadvise_hint),
2026 .help = "Use fadvise() to advise the kernel on IO pattern",
2027 .def = "1",
e8b0e958
JA		 2028 .category = FIO_OPT_C_FILE,
2029 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2030 },
2031 {
2032 .name = "fsync",
e8b0e958 2033 .lname = "Fsync",
214e1eca
JA		 2034 .type = FIO_OPT_INT,
2035 .off1 = td_var_offset(fsync_blocks),
2036 .help = "Issue fsync for writes every given number of blocks",
2037 .def = "0",
20eb06bd 2038 .interval = 1,
e8b0e958
JA		 2039 .category = FIO_OPT_C_FILE,
2040 .group = FIO_OPT_G_INVALID,
214e1eca 2041 },
5f9099ea
JA		 2042 {
2043 .name = "fdatasync",
e8b0e958 2044 .lname = "Fdatasync",
5f9099ea
JA		 2045 .type = FIO_OPT_INT,
2046 .off1 = td_var_offset(fdatasync_blocks),
2047 .help = "Issue fdatasync for writes every given number of blocks",
2048 .def = "0",
20eb06bd 2049 .interval = 1,
e8b0e958
JA		 2050 .category = FIO_OPT_C_FILE,
2051 .group = FIO_OPT_G_INVALID,
5f9099ea 2052 },
1ef2b6be
JA		 2053 {
2054 .name = "write_barrier",
e8b0e958 2055 .lname = "Write barrier",
1ef2b6be
JA		 2056 .type = FIO_OPT_INT,
2057 .off1 = td_var_offset(barrier_blocks),
2058 .help = "Make every Nth write a barrier write",
2059 .def = "0",
20eb06bd 2060 .interval = 1,
e8b0e958
JA		 2061 .category = FIO_OPT_C_IO,
2062 .group = FIO_OPT_G_INVALID,
1ef2b6be 2063 },
67bf9823 2064#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2065 {
2066 .name = "sync_file_range",
e8b0e958 2067 .lname = "Sync file range",
44f29692
JA		 2068 .posval = {
2069 { .ival = "wait_before",
2070 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2071 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2072 .orval = 1,
44f29692
JA		 2073 },
2074 { .ival = "write",
2075 .oval = SYNC_FILE_RANGE_WRITE,
2076 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2077 .orval = 1,
44f29692
JA		 2078 },
2079 {
2080 .ival = "wait_after",
2081 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2082 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2083 .orval = 1,
44f29692
JA		 2084 },
2085 },
3843deb3 2086 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2087 .cb = str_sfr_cb,
2088 .off1 = td_var_offset(sync_file_range),
2089 .help = "Use sync_file_range()",
e8b0e958
JA		 2090 .category = FIO_OPT_C_FILE,
2091 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2092 },
2093#endif
214e1eca
JA		 2094 {
2095 .name = "direct",
e8b0e958 2096 .lname = "Direct I/O",
214e1eca
JA		 2097 .type = FIO_OPT_BOOL,
2098 .off1 = td_var_offset(odirect),
2099 .help = "Use O_DIRECT IO (negates buffered)",
2100 .def = "0",
a01a1bc5 2101 .inverse = "buffered",
e8b0e958 2102 .category = FIO_OPT_C_IO,
3ceb458f 2103 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2104 },
d01612f3
CM		 2105 {
2106 .name = "atomic",
2107 .lname = "Atomic I/O",
2108 .type = FIO_OPT_BOOL,
2109 .off1 = td_var_offset(oatomic),
2110 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2111 .def = "0",
2112 .category = FIO_OPT_C_IO,
2113 .group = FIO_OPT_G_IO_TYPE,
2114 },
214e1eca
JA		 2115 {
2116 .name = "buffered",
e8b0e958 2117 .lname = "Buffered I/O",
214e1eca
JA		 2118 .type = FIO_OPT_BOOL,
2119 .off1 = td_var_offset(odirect),
2120 .neg = 1,
2121 .help = "Use buffered IO (negates direct)",
2122 .def = "1",
a01a1bc5 2123 .inverse = "direct",
e8b0e958 2124 .category = FIO_OPT_C_IO,
3ceb458f 2125 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2126 },
2127 {
2128 .name = "overwrite",
e8b0e958 2129 .lname = "Overwrite",
214e1eca
JA		 2130 .type = FIO_OPT_BOOL,
2131 .off1 = td_var_offset(overwrite),
2132 .help = "When writing, set whether to overwrite current data",
2133 .def = "0",
e8b0e958
JA		 2134 .category = FIO_OPT_C_FILE,
2135 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2136 },
2137 {
2138 .name = "loops",
e8b0e958 2139 .lname = "Loops",
214e1eca
JA		 2140 .type = FIO_OPT_INT,
2141 .off1 = td_var_offset(loops),
2142 .help = "Number of times to run the job",
2143 .def = "1",
20eb06bd 2144 .interval = 1,
e8b0e958 2145 .category = FIO_OPT_C_GENERAL,
a1f6afec 2146 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2147 },
2148 {
2149 .name = "numjobs",
e8b0e958 2150 .lname = "Number of jobs",
214e1eca
JA		 2151 .type = FIO_OPT_INT,
2152 .off1 = td_var_offset(numjobs),
2153 .help = "Duplicate this job this many times",
2154 .def = "1",
20eb06bd 2155 .interval = 1,
e8b0e958 2156 .category = FIO_OPT_C_GENERAL,
a1f6afec 2157 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2158 },
2159 {
2160 .name = "startdelay",
e8b0e958 2161 .lname = "Start delay",
a5737c93 2162 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2163 .off1 = td_var_offset(start_delay),
23ed19b0 2164 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2165 .help = "Only start job when this period has passed",
2166 .def = "0",
0de5b26f 2167 .is_seconds = 1,
88038bc7 2168 .is_time = 1,
e8b0e958 2169 .category = FIO_OPT_C_GENERAL,
a1f6afec 2170 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2171 },
2172 {
2173 .name = "runtime",
e8b0e958 2174 .lname = "Runtime",
214e1eca
JA		 2175 .alias = "timeout",
2176 .type = FIO_OPT_STR_VAL_TIME,
2177 .off1 = td_var_offset(timeout),
2178 .help = "Stop workload when this amount of time has passed",
2179 .def = "0",
0de5b26f 2180 .is_seconds = 1,
88038bc7 2181 .is_time = 1,
e8b0e958 2182 .category = FIO_OPT_C_GENERAL,
a1f6afec 2183 .group = FIO_OPT_G_RUNTIME,
214e1eca 2184 },
cf4464ca
JA		 2185 {
2186 .name = "time_based",
e8b0e958 2187 .lname = "Time based",
cf4464ca
JA		 2188 .type = FIO_OPT_STR_SET,
2189 .off1 = td_var_offset(time_based),
2190 .help = "Keep running until runtime/timeout is met",
e8b0e958 2191 .category = FIO_OPT_C_GENERAL,
a1f6afec 2192 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2193 },
62167762
JC		 2194 {
2195 .name = "verify_only",
2196 .lname = "Verify only",
2197 .type = FIO_OPT_STR_SET,
2198 .off1 = td_var_offset(verify_only),
2199 .help = "Verifies previously written data is still valid",
2200 .category = FIO_OPT_C_GENERAL,
2201 .group = FIO_OPT_G_RUNTIME,
2202 },
721938ae
JA		 2203 {
2204 .name = "ramp_time",
e8b0e958 2205 .lname = "Ramp time",
721938ae
JA		 2206 .type = FIO_OPT_STR_VAL_TIME,
2207 .off1 = td_var_offset(ramp_time),
2208 .help = "Ramp up time before measuring performance",
0de5b26f 2209 .is_seconds = 1,
88038bc7 2210 .is_time = 1,
e8b0e958 2211 .category = FIO_OPT_C_GENERAL,
a1f6afec 2212 .group = FIO_OPT_G_RUNTIME,
721938ae 2213 },
c223da83
JA		 2214 {
2215 .name = "clocksource",
e8b0e958 2216 .lname = "Clock source",
c223da83
JA		 2217 .type = FIO_OPT_STR,
2218 .cb = fio_clock_source_cb,
2219 .off1 = td_var_offset(clocksource),
2220 .help = "What type of timing source to use",
e8b0e958 2221 .category = FIO_OPT_C_GENERAL,
10860056 2222 .group = FIO_OPT_G_CLOCK,
c223da83 2223 .posval = {
67bf9823 2224#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2225 { .ival = "gettimeofday",
2226 .oval = CS_GTOD,
2227 .help = "Use gettimeofday(2) for timing",
2228 },
67bf9823
JA		 2229#endif
2230#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2231 { .ival = "clock_gettime",
2232 .oval = CS_CGETTIME,
2233 .help = "Use clock_gettime(2) for timing",
2234 },
67bf9823 2235#endif
c223da83
JA		 2236#ifdef ARCH_HAVE_CPU_CLOCK
2237 { .ival = "cpu",
2238 .oval = CS_CPUCLOCK,
2239 .help = "Use CPU private clock",
2240 },
2241#endif
2242 },
2243 },
214e1eca
JA		 2244 {
2245 .name = "mem",
d3aad8f2 2246 .alias = "iomem",
e8b0e958 2247 .lname = "I/O Memory",
214e1eca
JA		 2248 .type = FIO_OPT_STR,
2249 .cb = str_mem_cb,
2250 .off1 = td_var_offset(mem_type),
2251 .help = "Backing type for IO buffers",
2252 .def = "malloc",
e8b0e958
JA		 2253 .category = FIO_OPT_C_IO,
2254 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2255 .posval = {
2256 { .ival = "malloc",
2257 .oval = MEM_MALLOC,
2258 .help = "Use malloc(3) for IO buffers",
2259 },
c8931876 2260#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2261 { .ival = "shm",
2262 .oval = MEM_SHM,
2263 .help = "Use shared memory segments for IO buffers",
2264 },
214e1eca
JA		 2265#ifdef FIO_HAVE_HUGETLB
2266 { .ival = "shmhuge",
2267 .oval = MEM_SHMHUGE,
2268 .help = "Like shm, but use huge pages",
2269 },
c8931876 2270#endif
b370e46a 2271#endif
37c8cdfe
JA		 2272 { .ival = "mmap",
2273 .oval = MEM_MMAP,
2274 .help = "Use mmap(2) (file or anon) for IO buffers",
2275 },
214e1eca
JA		 2276#ifdef FIO_HAVE_HUGETLB
2277 { .ival = "mmaphuge",
2278 .oval = MEM_MMAPHUGE,
2279 .help = "Like mmap, but use huge pages",
2280 },
2281#endif
2282 },
2283 },
d529ee19
JA		 2284 {
2285 .name = "iomem_align",
2286 .alias = "mem_align",
e8b0e958 2287 .lname = "I/O memory alignment",
d529ee19
JA		 2288 .type = FIO_OPT_INT,
2289 .off1 = td_var_offset(mem_align),
2290 .minval = 0,
2291 .help = "IO memory buffer offset alignment",
2292 .def = "0",
2293 .parent = "iomem",
d71c154c 2294 .hide = 1,
e8b0e958
JA		 2295 .category = FIO_OPT_C_IO,
2296 .group = FIO_OPT_G_INVALID,
d529ee19 2297 },
214e1eca
JA		 2298 {
2299 .name = "verify",
e8b0e958 2300 .lname = "Verify",
214e1eca
JA		 2301 .type = FIO_OPT_STR,
2302 .off1 = td_var_offset(verify),
2303 .help = "Verify data written",
2304 .def = "0",
e8b0e958 2305 .category = FIO_OPT_C_IO,
3ceb458f 2306 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2307 .posval = {
2308 { .ival = "0",
2309 .oval = VERIFY_NONE,
2310 .help = "Don't do IO verification",
2311 },
fcca4b58
JA		 2312 { .ival = "md5",
2313 .oval = VERIFY_MD5,
2314 .help = "Use md5 checksums for verification",
2315 },
d77a7af3
JA		 2316 { .ival = "crc64",
2317 .oval = VERIFY_CRC64,
2318 .help = "Use crc64 checksums for verification",
2319 },
214e1eca
JA		 2320 { .ival = "crc32",
2321 .oval = VERIFY_CRC32,
2322 .help = "Use crc32 checksums for verification",
2323 },
af497e6a 2324 { .ival = "crc32c-intel",
e3aaafc4
JA		 2325 .oval = VERIFY_CRC32C,
2326 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2327 },
bac39e0e
JA		 2328 { .ival = "crc32c",
2329 .oval = VERIFY_CRC32C,
e3aaafc4 2330 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2331 },
969f7ed3
JA		 2332 { .ival = "crc16",
2333 .oval = VERIFY_CRC16,
2334 .help = "Use crc16 checksums for verification",
2335 },
1e154bdb
JA		 2336 { .ival = "crc7",
2337 .oval = VERIFY_CRC7,
2338 .help = "Use crc7 checksums for verification",
2339 },
7c353ceb
JA		 2340 { .ival = "sha1",
2341 .oval = VERIFY_SHA1,
2342 .help = "Use sha1 checksums for verification",
2343 },
cd14cc10
JA		 2344 { .ival = "sha256",
2345 .oval = VERIFY_SHA256,
2346 .help = "Use sha256 checksums for verification",
2347 },
2348 { .ival = "sha512",
2349 .oval = VERIFY_SHA512,
2350 .help = "Use sha512 checksums for verification",
2351 },
844ea602
JA		 2352 { .ival = "xxhash",
2353 .oval = VERIFY_XXHASH,
2354 .help = "Use xxhash checksums for verification",
2355 },
7437ee87
SL		 2356 { .ival = "meta",
2357 .oval = VERIFY_META,
2358 .help = "Use io information",
2359 },
36690c9b
JA		 2360 {
2361 .ival = "null",
2362 .oval = VERIFY_NULL,
2363 .help = "Pretend to verify",
2364 },
214e1eca
JA		 2365 },
2366 },
005c565a
JA		 2367 {
2368 .name = "do_verify",
e8b0e958 2369 .lname = "Perform verify step",
68e1f29a 2370 .type = FIO_OPT_BOOL,
005c565a
JA		 2371 .off1 = td_var_offset(do_verify),
2372 .help = "Run verification stage after write",
2373 .def = "1",
2374 .parent = "verify",
d71c154c 2375 .hide = 1,
e8b0e958
JA		 2376 .category = FIO_OPT_C_IO,
2377 .group = FIO_OPT_G_VERIFY,
005c565a 2378 },
160b966d
JA		 2379 {
2380 .name = "verifysort",
e8b0e958 2381 .lname = "Verify sort",
160b966d
JA		 2382 .type = FIO_OPT_BOOL,
2383 .off1 = td_var_offset(verifysort),
2384 .help = "Sort written verify blocks for read back",
2385 .def = "1",
c83f2df1 2386 .parent = "verify",
d71c154c 2387 .hide = 1,
e8b0e958
JA		 2388 .category = FIO_OPT_C_IO,
2389 .group = FIO_OPT_G_VERIFY,
160b966d 2390 },
1ae83d45
JA		 2391 {
2392 .name = "verifysort_nr",
2393 .type = FIO_OPT_INT,
2394 .off1 = td_var_offset(verifysort_nr),
2395 .help = "Pre-load and sort verify blocks for a read workload",
2396 .minval = 0,
2397 .maxval = 131072,
2398 .def = "1024",
2399 .parent = "verify",
836fcc0f
JA		 2400 .category = FIO_OPT_C_IO,
2401 .group = FIO_OPT_G_VERIFY,
1ae83d45 2402 },
3f9f4e26 2403 {
a59e170d 2404 .name = "verify_interval",
e8b0e958 2405 .lname = "Verify interval",
e01b22b8 2406 .type = FIO_OPT_INT,
a59e170d 2407 .off1 = td_var_offset(verify_interval),
819a9680 2408 .minval = 2 * sizeof(struct verify_header),
a59e170d 2409 .help = "Store verify buffer header every N bytes",
afdf9352 2410 .parent = "verify",
d71c154c 2411 .hide = 1,
20eb06bd 2412 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2413 .category = FIO_OPT_C_IO,
2414 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2415 },
546a9142 2416 {
a59e170d 2417 .name = "verify_offset",
e8b0e958 2418 .lname = "Verify offset",
e01b22b8 2419 .type = FIO_OPT_INT,
a59e170d 2420 .help = "Offset verify header location by N bytes",
203160d5
JA		 2421 .off1 = td_var_offset(verify_offset),
2422 .minval = sizeof(struct verify_header),
afdf9352 2423 .parent = "verify",
d71c154c 2424 .hide = 1,
e8b0e958
JA		 2425 .category = FIO_OPT_C_IO,
2426 .group = FIO_OPT_G_VERIFY,
546a9142 2427 },
e28218f3
SL		 2428 {
2429 .name = "verify_pattern",
e8b0e958 2430 .lname = "Verify pattern",
0e92f873 2431 .type = FIO_OPT_STR,
e28218f3 2432 .cb = str_verify_pattern_cb,
a8523a6a 2433 .off1 = td_var_offset(verify_pattern),
e28218f3
SL		 2434 .help = "Fill pattern for IO buffers",
2435 .parent = "verify",
d71c154c 2436 .hide = 1,
e8b0e958
JA		 2437 .category = FIO_OPT_C_IO,
2438 .group = FIO_OPT_G_VERIFY,
e28218f3 2439 },
a12a3b4d
JA		 2440 {
2441 .name = "verify_fatal",
e8b0e958 2442 .lname = "Verify fatal",
68e1f29a 2443 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2444 .off1 = td_var_offset(verify_fatal),
2445 .def = "0",
2446 .help = "Exit on a single verify failure, don't continue",
2447 .parent = "verify",
d71c154c 2448 .hide = 1,
e8b0e958
JA		 2449 .category = FIO_OPT_C_IO,
2450 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2451 },
b463e936
JA		 2452 {
2453 .name = "verify_dump",
e8b0e958 2454 .lname = "Verify dump",
b463e936
JA		 2455 .type = FIO_OPT_BOOL,
2456 .off1 = td_var_offset(verify_dump),
ef71e317 2457 .def = "0",
b463e936
JA		 2458 .help = "Dump contents of good and bad blocks on failure",
2459 .parent = "verify",
d71c154c 2460 .hide = 1,
e8b0e958
JA		 2461 .category = FIO_OPT_C_IO,
2462 .group = FIO_OPT_G_VERIFY,
b463e936 2463 },
e8462bd8
JA		 2464 {
2465 .name = "verify_async",
e8b0e958 2466 .lname = "Verify asynchronously",
e8462bd8
JA		 2467 .type = FIO_OPT_INT,
2468 .off1 = td_var_offset(verify_async),
2469 .def = "0",
2470 .help = "Number of async verifier threads to use",
2471 .parent = "verify",
d71c154c 2472 .hide = 1,
e8b0e958
JA		 2473 .category = FIO_OPT_C_IO,
2474 .group = FIO_OPT_G_VERIFY,
e8462bd8 2475 },
9e144189
JA		 2476 {
2477 .name = "verify_backlog",
e8b0e958 2478 .lname = "Verify backlog",
9e144189
JA		 2479 .type = FIO_OPT_STR_VAL,
2480 .off1 = td_var_offset(verify_backlog),
2481 .help = "Verify after this number of blocks are written",
2482 .parent = "verify",
d71c154c 2483 .hide = 1,
e8b0e958
JA		 2484 .category = FIO_OPT_C_IO,
2485 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2486 },
2487 {
2488 .name = "verify_backlog_batch",
e8b0e958 2489 .lname = "Verify backlog batch",
9e144189
JA		 2490 .type = FIO_OPT_INT,
2491 .off1 = td_var_offset(verify_batch),
2492 .help = "Verify this number of IO blocks",
0d29de83 2493 .parent = "verify",
d71c154c 2494 .hide = 1,
e8b0e958
JA		 2495 .category = FIO_OPT_C_IO,
2496 .group = FIO_OPT_G_VERIFY,
9e144189 2497 },
e8462bd8
JA		 2498#ifdef FIO_HAVE_CPU_AFFINITY
2499 {
2500 .name = "verify_async_cpus",
e8b0e958 2501 .lname = "Async verify CPUs",
e8462bd8
JA		 2502 .type = FIO_OPT_STR,
2503 .cb = str_verify_cpus_allowed_cb,
a8523a6a 2504 .off1 = td_var_offset(verify_cpumask),
e8462bd8
JA		 2505 .help = "Set CPUs allowed for async verify threads",
2506 .parent = "verify_async",
d71c154c 2507 .hide = 1,
e8b0e958
JA		 2508 .category = FIO_OPT_C_IO,
2509 .group = FIO_OPT_G_VERIFY,
e8462bd8 2510 },
0d29de83 2511#endif
51aa2da8
JA		 2512 {
2513 .name = "experimental_verify",
2514 .off1 = td_var_offset(experimental_verify),
2515 .type = FIO_OPT_BOOL,
b31eaac9 2516 .help = "Enable experimental verification",
ca09be4b
JA		 2517 .parent = "verify",
2518 .category = FIO_OPT_C_IO,
2519 .group = FIO_OPT_G_VERIFY,
2520 },
2521 {
2522 .name = "verify_state_load",
2523 .lname = "Load verify state",
2524 .off1 = td_var_offset(verify_state),
2525 .type = FIO_OPT_BOOL,
2526 .help = "Load verify termination state",
2527 .parent = "verify",
2528 .category = FIO_OPT_C_IO,
2529 .group = FIO_OPT_G_VERIFY,
2530 },
2531 {
2532 .name = "verify_state_save",
2533 .lname = "Save verify state",
2534 .off1 = td_var_offset(verify_state_save),
2535 .type = FIO_OPT_BOOL,
2536 .def = "1",
2537 .help = "Save verify state on termination",
2538 .parent = "verify",
836fcc0f
JA		 2539 .category = FIO_OPT_C_IO,
2540 .group = FIO_OPT_G_VERIFY,
51aa2da8 2541 },
0d29de83
JA		 2542#ifdef FIO_HAVE_TRIM
2543 {
2544 .name = "trim_percentage",
e8b0e958 2545 .lname = "Trim percentage",
0d29de83 2546 .type = FIO_OPT_INT,
203160d5 2547 .off1 = td_var_offset(trim_percentage),
20eb06bd 2548 .minval = 0,
0d29de83
JA		 2549 .maxval = 100,
2550 .help = "Number of verify blocks to discard/trim",
2551 .parent = "verify",
2552 .def = "0",
20eb06bd 2553 .interval = 1,
d71c154c 2554 .hide = 1,
e8b0e958
JA		 2555 .category = FIO_OPT_C_IO,
2556 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2557 },
2558 {
2559 .name = "trim_verify_zero",
e8b0e958 2560 .lname = "Verify trim zero",
20eb06bd 2561 .type = FIO_OPT_BOOL,
0d29de83
JA		 2562 .help = "Verify that trim/discarded blocks are returned as zeroes",
2563 .off1 = td_var_offset(trim_zero),
2564 .parent = "trim_percentage",
d71c154c 2565 .hide = 1,
0d29de83 2566 .def = "1",
e8b0e958
JA		 2567 .category = FIO_OPT_C_IO,
2568 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2569 },
2570 {
2571 .name = "trim_backlog",
e8b0e958 2572 .lname = "Trim backlog",
0d29de83
JA		 2573 .type = FIO_OPT_STR_VAL,
2574 .off1 = td_var_offset(trim_backlog),
2575 .help = "Trim after this number of blocks are written",
2576 .parent = "trim_percentage",
d71c154c 2577 .hide = 1,
20eb06bd 2578 .interval = 1,
e8b0e958
JA		 2579 .category = FIO_OPT_C_IO,
2580 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2581 },
2582 {
2583 .name = "trim_backlog_batch",
e8b0e958 2584 .lname = "Trim backlog batch",
0d29de83
JA		 2585 .type = FIO_OPT_INT,
2586 .off1 = td_var_offset(trim_batch),
2587 .help = "Trim this number of IO blocks",
2588 .parent = "trim_percentage",
d71c154c 2589 .hide = 1,
20eb06bd 2590 .interval = 1,
e8b0e958
JA		 2591 .category = FIO_OPT_C_IO,
2592 .group = FIO_OPT_G_TRIM,
0d29de83 2593 },
e8462bd8 2594#endif
214e1eca
JA		 2595 {
2596 .name = "write_iolog",
e8b0e958 2597 .lname = "Write I/O log",
214e1eca
JA		 2598 .type = FIO_OPT_STR_STORE,
2599 .off1 = td_var_offset(write_iolog_file),
2600 .help = "Store IO pattern to file",
e8b0e958
JA		 2601 .category = FIO_OPT_C_IO,
2602 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2603 },
2604 {
2605 .name = "read_iolog",
e8b0e958 2606 .lname = "Read I/O log",
214e1eca
JA		 2607 .type = FIO_OPT_STR_STORE,
2608 .off1 = td_var_offset(read_iolog_file),
2609 .help = "Playback IO pattern from file",
e8b0e958
JA		 2610 .category = FIO_OPT_C_IO,
2611 .group = FIO_OPT_G_IOLOG,
214e1eca 2612 },
64bbb865
DN		 2613 {
2614 .name = "replay_no_stall",
e8b0e958 2615 .lname = "Don't stall on replay",
20eb06bd 2616 .type = FIO_OPT_BOOL,
64bbb865
DN		 2617 .off1 = td_var_offset(no_stall),
2618 .def = "0",
87e7a972 2619 .parent = "read_iolog",
d71c154c 2620 .hide = 1,
64bbb865 2621 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2622 .category = FIO_OPT_C_IO,
2623 .group = FIO_OPT_G_IOLOG,
64bbb865 2624 },
d1c46c04
DN		 2625 {
2626 .name = "replay_redirect",
e8b0e958 2627 .lname = "Redirect device for replay",
d1c46c04
DN		 2628 .type = FIO_OPT_STR_STORE,
2629 .off1 = td_var_offset(replay_redirect),
2630 .parent = "read_iolog",
d71c154c 2631 .hide = 1,
d1c46c04 2632 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2633 .category = FIO_OPT_C_IO,
2634 .group = FIO_OPT_G_IOLOG,
d1c46c04 2635 },
214e1eca
JA		 2636 {
2637 .name = "exec_prerun",
e8b0e958 2638 .lname = "Pre-execute runnable",
214e1eca
JA		 2639 .type = FIO_OPT_STR_STORE,
2640 .off1 = td_var_offset(exec_prerun),
2641 .help = "Execute this file prior to running job",
e8b0e958
JA		 2642 .category = FIO_OPT_C_GENERAL,
2643 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2644 },
2645 {
2646 .name = "exec_postrun",
e8b0e958 2647 .lname = "Post-execute runnable",
214e1eca
JA		 2648 .type = FIO_OPT_STR_STORE,
2649 .off1 = td_var_offset(exec_postrun),
2650 .help = "Execute this file after running job",
e8b0e958
JA		 2651 .category = FIO_OPT_C_GENERAL,
2652 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2653 },
2654#ifdef FIO_HAVE_IOSCHED_SWITCH
2655 {
2656 .name = "ioscheduler",
e8b0e958 2657 .lname = "I/O scheduler",
214e1eca
JA		 2658 .type = FIO_OPT_STR_STORE,
2659 .off1 = td_var_offset(ioscheduler),
2660 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2661 .category = FIO_OPT_C_FILE,
2662 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2663 },
2664#endif
2665 {
2666 .name = "zonesize",
e8b0e958 2667 .lname = "Zone size",
214e1eca
JA		 2668 .type = FIO_OPT_STR_VAL,
2669 .off1 = td_var_offset(zone_size),
ed335855
SN		 2670 .help = "Amount of data to read per zone",
2671 .def = "0",
20eb06bd 2672 .interval = 1024 * 1024,
e8b0e958
JA		 2673 .category = FIO_OPT_C_IO,
2674 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2675 },
2676 {
2677 .name = "zonerange",
e8b0e958 2678 .lname = "Zone range",
ed335855
SN		 2679 .type = FIO_OPT_STR_VAL,
2680 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2681 .help = "Give size of an IO zone",
2682 .def = "0",
20eb06bd 2683 .interval = 1024 * 1024,
e8b0e958
JA		 2684 .category = FIO_OPT_C_IO,
2685 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2686 },
2687 {
2688 .name = "zoneskip",
e8b0e958 2689 .lname = "Zone skip",
214e1eca
JA		 2690 .type = FIO_OPT_STR_VAL,
2691 .off1 = td_var_offset(zone_skip),
2692 .help = "Space between IO zones",
2693 .def = "0",
20eb06bd 2694 .interval = 1024 * 1024,
e8b0e958
JA		 2695 .category = FIO_OPT_C_IO,
2696 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2697 },
2698 {
2699 .name = "lockmem",
e8b0e958 2700 .lname = "Lock memory",
214e1eca 2701 .type = FIO_OPT_STR_VAL,
1b79a070 2702 .off1 = td_var_offset(lockmem),
81c6b6cd 2703 .help = "Lock down this amount of memory (per worker)",
214e1eca 2704 .def = "0",
20eb06bd 2705 .interval = 1024 * 1024,
e8b0e958
JA		 2706 .category = FIO_OPT_C_GENERAL,
2707 .group = FIO_OPT_G_INVALID,
214e1eca 2708 },
214e1eca
JA		 2709 {
2710 .name = "rwmixread",
e8b0e958 2711 .lname = "Read/write mix read",
214e1eca 2712 .type = FIO_OPT_INT,
cb499fc4 2713 .cb = str_rwmix_read_cb,
a8523a6a 2714 .off1 = td_var_offset(rwmix[DDIR_READ]),
214e1eca
JA		 2715 .maxval = 100,
2716 .help = "Percentage of mixed workload that is reads",
2717 .def = "50",
20eb06bd 2718 .interval = 5,
90265353 2719 .inverse = "rwmixwrite",
e8b0e958
JA		 2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2722 },
2723 {
2724 .name = "rwmixwrite",
e8b0e958 2725 .lname = "Read/write mix write",
214e1eca 2726 .type = FIO_OPT_INT,
cb499fc4 2727 .cb = str_rwmix_write_cb,
a8523a6a 2728 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
214e1eca
JA		 2729 .maxval = 100,
2730 .help = "Percentage of mixed workload that is writes",
2731 .def = "50",
20eb06bd 2732 .interval = 5,
90265353 2733 .inverse = "rwmixread",
e8b0e958
JA		 2734 .category = FIO_OPT_C_IO,
2735 .group = FIO_OPT_G_RWMIX,
214e1eca 2736 },
afdf9352
JA		 2737 {
2738 .name = "rwmixcycle",
e8b0e958 2739 .lname = "Read/write mix cycle",
15ca150e 2740 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2741 .category = FIO_OPT_C_IO,
2742 .group = FIO_OPT_G_RWMIX,
afdf9352 2743 },
214e1eca
JA		 2744 {
2745 .name = "nice",
e8b0e958 2746 .lname = "Nice",
214e1eca
JA		 2747 .type = FIO_OPT_INT,
2748 .off1 = td_var_offset(nice),
2749 .help = "Set job CPU nice value",
2750 .minval = -19,
2751 .maxval = 20,
2752 .def = "0",
20eb06bd 2753 .interval = 1,
e8b0e958 2754 .category = FIO_OPT_C_GENERAL,
10860056 2755 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2756 },
2757#ifdef FIO_HAVE_IOPRIO
2758 {
2759 .name = "prio",
e8b0e958 2760 .lname = "I/O nice priority",
214e1eca 2761 .type = FIO_OPT_INT,
28727df7 2762 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2763 .help = "Set job IO priority value",
2764 .minval = 0,
2765 .maxval = 7,
20eb06bd 2766 .interval = 1,
e8b0e958 2767 .category = FIO_OPT_C_GENERAL,
10860056 2768 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2769 },
2770 {
2771 .name = "prioclass",
e8b0e958 2772 .lname = "I/O nice priority class",
214e1eca 2773 .type = FIO_OPT_INT,
28727df7 2774 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2775 .help = "Set job IO priority class",
2776 .minval = 0,
2777 .maxval = 3,
20eb06bd 2778 .interval = 1,
e8b0e958 2779 .category = FIO_OPT_C_GENERAL,
10860056 2780 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2781 },
2782#endif
2783 {
2784 .name = "thinktime",
e8b0e958 2785 .lname = "Thinktime",
214e1eca
JA		 2786 .type = FIO_OPT_INT,
2787 .off1 = td_var_offset(thinktime),
2788 .help = "Idle time between IO buffers (usec)",
2789 .def = "0",
88038bc7 2790 .is_time = 1,
e8b0e958 2791 .category = FIO_OPT_C_IO,
3ceb458f 2792 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2793 },
2794 {
2795 .name = "thinktime_spin",
e8b0e958 2796 .lname = "Thinktime spin",
214e1eca
JA		 2797 .type = FIO_OPT_INT,
2798 .off1 = td_var_offset(thinktime_spin),
2799 .help = "Start think time by spinning this amount (usec)",
2800 .def = "0",
88038bc7 2801 .is_time = 1,
afdf9352 2802 .parent = "thinktime",
d71c154c 2803 .hide = 1,
e8b0e958 2804 .category = FIO_OPT_C_IO,
3ceb458f 2805 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2806 },
2807 {
2808 .name = "thinktime_blocks",
e8b0e958 2809 .lname = "Thinktime blocks",
214e1eca
JA		 2810 .type = FIO_OPT_INT,
2811 .off1 = td_var_offset(thinktime_blocks),
2812 .help = "IO buffer period between 'thinktime'",
2813 .def = "1",
afdf9352 2814 .parent = "thinktime",
d71c154c 2815 .hide = 1,
e8b0e958 2816 .category = FIO_OPT_C_IO,
3ceb458f 2817 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2818 },
2819 {
2820 .name = "rate",
e8b0e958 2821 .lname = "I/O rate",
e01b22b8 2822 .type = FIO_OPT_INT,
6eaf09d6
SL		 2823 .off1 = td_var_offset(rate[DDIR_READ]),
2824 .off2 = td_var_offset(rate[DDIR_WRITE]),
2825 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2826 .help = "Set bandwidth rate",
e8b0e958
JA		 2827 .category = FIO_OPT_C_IO,
2828 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2829 },
2830 {
2831 .name = "ratemin",
e8b0e958 2832 .lname = "I/O min rate",
e01b22b8 2833 .type = FIO_OPT_INT,
6eaf09d6
SL		 2834 .off1 = td_var_offset(ratemin[DDIR_READ]),
2835 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2836 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2837 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2838 .parent = "rate",
d71c154c 2839 .hide = 1,
e8b0e958
JA		 2840 .category = FIO_OPT_C_IO,
2841 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2842 },
2843 {
2844 .name = "rate_iops",
e8b0e958 2845 .lname = "I/O rate IOPS",
e01b22b8 2846 .type = FIO_OPT_INT,
6eaf09d6
SL		 2847 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2848 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2849 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2850 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2851 .hide = 1,
e8b0e958
JA		 2852 .category = FIO_OPT_C_IO,
2853 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2854 },
2855 {
2856 .name = "rate_iops_min",
e8b0e958 2857 .lname = "I/O min rate IOPS",
e01b22b8 2858 .type = FIO_OPT_INT,
6eaf09d6
SL		 2859 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2860 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2861 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2862 .help = "Job must meet this rate or it will be shut down",
afdf9352 2863 .parent = "rate_iops",
d71c154c 2864 .hide = 1,
e8b0e958
JA		 2865 .category = FIO_OPT_C_IO,
2866 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2867 },
2868 {
2869 .name = "ratecycle",
e8b0e958 2870 .lname = "I/O rate cycle",
214e1eca
JA		 2871 .type = FIO_OPT_INT,
2872 .off1 = td_var_offset(ratecycle),
2873 .help = "Window average for rate limits (msec)",
2874 .def = "1000",
afdf9352 2875 .parent = "rate",
d71c154c 2876 .hide = 1,
e8b0e958
JA		 2877 .category = FIO_OPT_C_IO,
2878 .group = FIO_OPT_G_RATE,
214e1eca 2879 },
15501535
JA		 2880 {
2881 .name = "max_latency",
2882 .type = FIO_OPT_INT,
2883 .off1 = td_var_offset(max_latency),
2884 .help = "Maximum tolerated IO latency (usec)",
88038bc7 2885 .is_time = 1,
1e5324e7 2886 .category = FIO_OPT_C_IO,
3e260a46
JA		 2887 .group = FIO_OPT_G_LATPROF,
2888 },
2889 {
2890 .name = "latency_target",
2891 .lname = "Latency Target (usec)",
2892 .type = FIO_OPT_STR_VAL_TIME,
2893 .off1 = td_var_offset(latency_target),
2894 .help = "Ramp to max queue depth supporting this latency",
88038bc7 2895 .is_time = 1,
3e260a46
JA		 2896 .category = FIO_OPT_C_IO,
2897 .group = FIO_OPT_G_LATPROF,
2898 },
2899 {
2900 .name = "latency_window",
2901 .lname = "Latency Window (usec)",
2902 .type = FIO_OPT_STR_VAL_TIME,
2903 .off1 = td_var_offset(latency_window),
2904 .help = "Time to sustain latency_target",
88038bc7 2905 .is_time = 1,
3e260a46
JA		 2906 .category = FIO_OPT_C_IO,
2907 .group = FIO_OPT_G_LATPROF,
2908 },
2909 {
2910 .name = "latency_percentile",
2911 .lname = "Latency Percentile",
2912 .type = FIO_OPT_FLOAT_LIST,
2913 .off1 = td_var_offset(latency_percentile),
2914 .help = "Percentile of IOs must be below latency_target",
2915 .def = "100",
2916 .maxlen = 1,
2917 .minfp = 0.0,
2918 .maxfp = 100.0,
2919 .category = FIO_OPT_C_IO,
2920 .group = FIO_OPT_G_LATPROF,
15501535 2921 },
214e1eca
JA		 2922 {
2923 .name = "invalidate",
e8b0e958 2924 .lname = "Cache invalidate",
214e1eca
JA		 2925 .type = FIO_OPT_BOOL,
2926 .off1 = td_var_offset(invalidate_cache),
2927 .help = "Invalidate buffer/page cache prior to running job",
2928 .def = "1",
e8b0e958 2929 .category = FIO_OPT_C_IO,
3ceb458f 2930 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2931 },
2932 {
2933 .name = "sync",
e8b0e958 2934 .lname = "Synchronous I/O",
214e1eca
JA		 2935 .type = FIO_OPT_BOOL,
2936 .off1 = td_var_offset(sync_io),
2937 .help = "Use O_SYNC for buffered writes",
2938 .def = "0",
67a1000f 2939 .parent = "buffered",
d71c154c 2940 .hide = 1,
e8b0e958 2941 .category = FIO_OPT_C_IO,
3ceb458f 2942 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2943 },
214e1eca
JA		 2944 {
2945 .name = "create_serialize",
e8b0e958 2946 .lname = "Create serialize",
214e1eca
JA		 2947 .type = FIO_OPT_BOOL,
2948 .off1 = td_var_offset(create_serialize),
2949 .help = "Serialize creating of job files",
2950 .def = "1",
e8b0e958
JA		 2951 .category = FIO_OPT_C_FILE,
2952 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2953 },
2954 {
2955 .name = "create_fsync",
e8b0e958 2956 .lname = "Create fsync",
214e1eca
JA		 2957 .type = FIO_OPT_BOOL,
2958 .off1 = td_var_offset(create_fsync),
03e20d68 2959 .help = "fsync file after creation",
214e1eca 2960 .def = "1",
e8b0e958
JA		 2961 .category = FIO_OPT_C_FILE,
2962 .group = FIO_OPT_G_INVALID,
214e1eca 2963 },
814452bd
JA		 2964 {
2965 .name = "create_on_open",
e8b0e958 2966 .lname = "Create on open",
814452bd
JA		 2967 .type = FIO_OPT_BOOL,
2968 .off1 = td_var_offset(create_on_open),
2969 .help = "Create files when they are opened for IO",
2970 .def = "0",
e8b0e958
JA		 2971 .category = FIO_OPT_C_FILE,
2972 .group = FIO_OPT_G_INVALID,
814452bd 2973 },
25460cf6
JA		 2974 {
2975 .name = "create_only",
2976 .type = FIO_OPT_BOOL,
2977 .off1 = td_var_offset(create_only),
2978 .help = "Only perform file creation phase",
d17fda71 2979 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2980 .def = "0",
2981 },
0b9d69ec 2982 {
afad68f7 2983 .name = "pre_read",
e8b0e958 2984 .lname = "Pre-read files",
afad68f7
ZY		 2985 .type = FIO_OPT_BOOL,
2986 .off1 = td_var_offset(pre_read),
03e20d68 2987 .help = "Pre-read files before starting official testing",
afad68f7 2988 .def = "0",
e8b0e958
JA		 2989 .category = FIO_OPT_C_FILE,
2990 .group = FIO_OPT_G_INVALID,
afad68f7 2991 },
214e1eca
JA		 2992#ifdef FIO_HAVE_CPU_AFFINITY
2993 {
2994 .name = "cpumask",
e8b0e958 2995 .lname = "CPU mask",
214e1eca
JA		 2996 .type = FIO_OPT_INT,
2997 .cb = str_cpumask_cb,
a8523a6a 2998 .off1 = td_var_offset(cpumask),
214e1eca 2999 .help = "CPU affinity mask",
e8b0e958 3000 .category = FIO_OPT_C_GENERAL,
10860056 3001 .group = FIO_OPT_G_CRED,
214e1eca 3002 },
d2e268b0
JA		 3003 {
3004 .name = "cpus_allowed",
e8b0e958 3005 .lname = "CPUs allowed",
d2e268b0
JA		 3006 .type = FIO_OPT_STR,
3007 .cb = str_cpus_allowed_cb,
a8523a6a 3008 .off1 = td_var_offset(cpumask),
d2e268b0 3009 .help = "Set CPUs allowed",
e8b0e958 3010 .category = FIO_OPT_C_GENERAL,
10860056 3011 .group = FIO_OPT_G_CRED,
d2e268b0 3012 },
c2acfbac
JA		 3013 {
3014 .name = "cpus_allowed_policy",
3015 .lname = "CPUs allowed distribution policy",
3016 .type = FIO_OPT_STR,
3017 .off1 = td_var_offset(cpus_allowed_policy),
3018 .help = "Distribution policy for cpus_allowed",
3019 .parent = "cpus_allowed",
3020 .prio = 1,
3021 .posval = {
3022 { .ival = "shared",
3023 .oval = FIO_CPUS_SHARED,
3024 .help = "Mask shared between threads",
3025 },
3026 { .ival = "split",
3027 .oval = FIO_CPUS_SPLIT,
3028 .help = "Mask split between threads",
3029 },
3030 },
3031 .category = FIO_OPT_C_GENERAL,
3032 .group = FIO_OPT_G_CRED,
3033 },
d0b937ed 3034#endif
67bf9823 3035#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3036 {
3037 .name = "numa_cpu_nodes",
3038 .type = FIO_OPT_STR,
3039 .cb = str_numa_cpunodes_cb,
b2a9e649 3040 .off1 = td_var_offset(numa_cpunodes),
d0b937ed 3041 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3042 .category = FIO_OPT_C_GENERAL,
3043 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3044 },
3045 {
3046 .name = "numa_mem_policy",
3047 .type = FIO_OPT_STR,
3048 .cb = str_numa_mpol_cb,
b2a9e649 3049 .off1 = td_var_offset(numa_memnodes),
d0b937ed 3050 .help = "NUMA memory policy setup",
6be54b2d
JA		 3051 .category = FIO_OPT_C_GENERAL,
3052 .group = FIO_OPT_G_INVALID,
d0b937ed 3053 },
214e1eca
JA		 3054#endif
3055 {
3056 .name = "end_fsync",
e8b0e958 3057 .lname = "End fsync",
214e1eca
JA		 3058 .type = FIO_OPT_BOOL,
3059 .off1 = td_var_offset(end_fsync),
3060 .help = "Include fsync at the end of job",
3061 .def = "0",
e8b0e958
JA		 3062 .category = FIO_OPT_C_FILE,
3063 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3064 },
3065 {
3066 .name = "fsync_on_close",
e8b0e958 3067 .lname = "Fsync on close",
214e1eca
JA		 3068 .type = FIO_OPT_BOOL,
3069 .off1 = td_var_offset(fsync_on_close),
3070 .help = "fsync files on close",
3071 .def = "0",
e8b0e958
JA		 3072 .category = FIO_OPT_C_FILE,
3073 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3074 },
3075 {
3076 .name = "unlink",
e8b0e958 3077 .lname = "Unlink file",
214e1eca
JA		 3078 .type = FIO_OPT_BOOL,
3079 .off1 = td_var_offset(unlink),
3080 .help = "Unlink created files after job has completed",
3081 .def = "0",
e8b0e958
JA		 3082 .category = FIO_OPT_C_FILE,
3083 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3084 },
3085 {
3086 .name = "exitall",
e8b0e958 3087 .lname = "Exit-all on terminate",
214e1eca
JA		 3088 .type = FIO_OPT_STR_SET,
3089 .cb = str_exitall_cb,
3090 .help = "Terminate all jobs when one exits",
e8b0e958 3091 .category = FIO_OPT_C_GENERAL,
a1f6afec 3092 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3093 },
3094 {
3095 .name = "stonewall",
e8b0e958 3096 .lname = "Wait for previous",
d392365e 3097 .alias = "wait_for_previous",
214e1eca
JA		 3098 .type = FIO_OPT_STR_SET,
3099 .off1 = td_var_offset(stonewall),
3100 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3101 .category = FIO_OPT_C_GENERAL,
a1f6afec 3102 .group = FIO_OPT_G_PROCESS,
214e1eca 3103 },
b3d62a75
JA		 3104 {
3105 .name = "new_group",
e8b0e958 3106 .lname = "New group",
b3d62a75
JA		 3107 .type = FIO_OPT_STR_SET,
3108 .off1 = td_var_offset(new_group),
3109 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3110 .category = FIO_OPT_C_GENERAL,
a1f6afec 3111 .group = FIO_OPT_G_PROCESS,
b3d62a75 3112 },
214e1eca
JA		 3113 {
3114 .name = "thread",
e8b0e958 3115 .lname = "Thread",
214e1eca
JA		 3116 .type = FIO_OPT_STR_SET,
3117 .off1 = td_var_offset(use_thread),
20eb06bd 3118 .help = "Use threads instead of processes",
c8931876
JA		 3119#ifdef CONFIG_NO_SHM
3120 .def = "1",
3121 .no_warn_def = 1,
3122#endif
e8b0e958 3123 .category = FIO_OPT_C_GENERAL,
a1f6afec 3124 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3125 },
3126 {
3127 .name = "write_bw_log",
e8b0e958 3128 .lname = "Write bandwidth log",
203160d5
JA		 3129 .type = FIO_OPT_STR_STORE,
3130 .off1 = td_var_offset(bw_log_file),
214e1eca 3131 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3132 .category = FIO_OPT_C_LOG,
3133 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3134 },
3135 {
3136 .name = "write_lat_log",
e8b0e958 3137 .lname = "Write latency log",
203160d5
JA		 3138 .type = FIO_OPT_STR_STORE,
3139 .off1 = td_var_offset(lat_log_file),
214e1eca 3140 .help = "Write log of latency during run",
e8b0e958
JA		 3141 .category = FIO_OPT_C_LOG,
3142 .group = FIO_OPT_G_INVALID,
214e1eca 3143 },
c8eeb9df
JA		 3144 {
3145 .name = "write_iops_log",
e8b0e958 3146 .lname = "Write IOPS log",
577c83bd 3147 .type = FIO_OPT_STR_STORE,
203160d5 3148 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3149 .help = "Write log of IOPS during run",
e8b0e958
JA		 3150 .category = FIO_OPT_C_LOG,
3151 .group = FIO_OPT_G_INVALID,
c8eeb9df 3152 },
b8bc8cba
JA		 3153 {
3154 .name = "log_avg_msec",
e8b0e958 3155 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3156 .type = FIO_OPT_INT,
3157 .off1 = td_var_offset(log_avg_msec),
3158 .help = "Average bw/iops/lat logs over this period of time",
3159 .def = "0",
e8b0e958
JA		 3160 .category = FIO_OPT_C_LOG,
3161 .group = FIO_OPT_G_INVALID,
b8bc8cba 3162 },
ae588852
JA		 3163 {
3164 .name = "log_offset",
3165 .lname = "Log offset of IO",
3166 .type = FIO_OPT_BOOL,
3167 .off1 = td_var_offset(log_offset),
3168 .help = "Include offset of IO for each log entry",
3169 .def = "0",
3170 .category = FIO_OPT_C_LOG,
3171 .group = FIO_OPT_G_INVALID,
3172 },
aee2ab67
JA		 3173#ifdef CONFIG_ZLIB
3174 {
3175 .name = "log_compression",
3176 .lname = "Log compression",
3177 .type = FIO_OPT_INT,
3178 .off1 = td_var_offset(log_gz),
3179 .help = "Log in compressed chunks of this size",
3180 .minval = 32 * 1024 * 1024ULL,
3181 .maxval = 512 * 1024 * 1024ULL,
3182 .category = FIO_OPT_C_LOG,
3183 .group = FIO_OPT_G_INVALID,
3184 },
b26317c9
JA		 3185 {
3186 .name = "log_store_compressed",
3187 .lname = "Log store compressed",
3188 .type = FIO_OPT_BOOL,
3189 .off1 = td_var_offset(log_gz_store),
3190 .help = "Store logs in a compressed format",
3191 .category = FIO_OPT_C_LOG,
3192 .group = FIO_OPT_G_INVALID,
3193 },
aee2ab67 3194#endif
c504ee55
JA		 3195 {
3196 .name = "bwavgtime",
3197 .lname = "Bandwidth average time",
3198 .type = FIO_OPT_INT,
3199 .off1 = td_var_offset(bw_avg_time),
3200 .help = "Time window over which to calculate bandwidth"
3201 " (msec)",
3202 .def = "500",
3203 .parent = "write_bw_log",
3204 .hide = 1,
3205 .interval = 100,
3206 .category = FIO_OPT_C_LOG,
3207 .group = FIO_OPT_G_INVALID,
3208 },
3209 {
3210 .name = "iopsavgtime",
3211 .lname = "IOPS average time",
3212 .type = FIO_OPT_INT,
3213 .off1 = td_var_offset(iops_avg_time),
3214 .help = "Time window over which to calculate IOPS (msec)",
3215 .def = "500",
3216 .parent = "write_iops_log",
3217 .hide = 1,
3218 .interval = 100,
3219 .category = FIO_OPT_C_LOG,
3220 .group = FIO_OPT_G_INVALID,
3221 },
214e1eca
JA		 3222 {
3223 .name = "group_reporting",
e8b0e958 3224 .lname = "Group reporting",
d2507043 3225 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3226 .off1 = td_var_offset(group_reporting),
3227 .help = "Do reporting on a per-group basis",
10860056 3228 .category = FIO_OPT_C_STAT,
e8b0e958 3229 .group = FIO_OPT_G_INVALID,
214e1eca 3230 },
e9459e5a
JA		 3231 {
3232 .name = "zero_buffers",
e8b0e958 3233 .lname = "Zero I/O buffers",
e9459e5a
JA		 3234 .type = FIO_OPT_STR_SET,
3235 .off1 = td_var_offset(zero_buffers),
3236 .help = "Init IO buffers to all zeroes",
e8b0e958 3237 .category = FIO_OPT_C_IO,
3ceb458f 3238 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3239 },
5973cafb
JA		 3240 {
3241 .name = "refill_buffers",
e8b0e958 3242 .lname = "Refill I/O buffers",
5973cafb
JA		 3243 .type = FIO_OPT_STR_SET,
3244 .off1 = td_var_offset(refill_buffers),
3245 .help = "Refill IO buffers on every IO submit",
e8b0e958 3246 .category = FIO_OPT_C_IO,
3ceb458f 3247 .group = FIO_OPT_G_IO_BUF,
5973cafb 3248 },
fd68418e
JA		 3249 {
3250 .name = "scramble_buffers",
e8b0e958 3251 .lname = "Scramble I/O buffers",
fd68418e
JA		 3252 .type = FIO_OPT_BOOL,
3253 .off1 = td_var_offset(scramble_buffers),
3254 .help = "Slightly scramble buffers on every IO submit",
3255 .def = "1",
e8b0e958 3256 .category = FIO_OPT_C_IO,
3ceb458f 3257 .group = FIO_OPT_G_IO_BUF,
fd68418e 3258 },
ce35b1ec
JA		 3259 {
3260 .name = "buffer_pattern",
3261 .lname = "Buffer pattern",
3262 .type = FIO_OPT_STR,
3263 .cb = str_buffer_pattern_cb,
a8523a6a 3264 .off1 = td_var_offset(buffer_pattern),
ce35b1ec
JA		 3265 .help = "Fill pattern for IO buffers",
3266 .category = FIO_OPT_C_IO,
3267 .group = FIO_OPT_G_IO_BUF,
3268 },
9c42684e
JA		 3269 {
3270 .name = "buffer_compress_percentage",
e8b0e958 3271 .lname = "Buffer compression percentage",
9c42684e 3272 .type = FIO_OPT_INT,
bedc9dc2 3273 .cb = str_buffer_compress_cb,
a8523a6a 3274 .off1 = td_var_offset(compress_percentage),
9c42684e 3275 .maxval = 100,
e7f5de90 3276 .minval = 0,
9c42684e 3277 .help = "How compressible the buffer is (approximately)",
20eb06bd 3278 .interval = 5,
e8b0e958 3279 .category = FIO_OPT_C_IO,
3ceb458f 3280 .group = FIO_OPT_G_IO_BUF,
9c42684e 3281 },
f97a43a1
JA		 3282 {
3283 .name = "buffer_compress_chunk",
e8b0e958 3284 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3285 .type = FIO_OPT_INT,
3286 .off1 = td_var_offset(compress_chunk),
207b18e4 3287 .parent = "buffer_compress_percentage",
d71c154c 3288 .hide = 1,
f97a43a1 3289 .help = "Size of compressible region in buffer",
20eb06bd 3290 .interval = 256,
e8b0e958 3291 .category = FIO_OPT_C_IO,
3ceb458f 3292 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3293 },
5c94b008
JA		 3294 {
3295 .name = "dedupe_percentage",
3296 .lname = "Dedupe percentage",
3297 .type = FIO_OPT_INT,
3298 .cb = str_dedupe_cb,
a8523a6a 3299 .off1 = td_var_offset(dedupe_percentage),
5c94b008
JA		 3300 .maxval = 100,
3301 .minval = 0,
3302 .help = "Percentage of buffers that are dedupable",
3303 .interval = 1,
3304 .category = FIO_OPT_C_IO,
3305 .group = FIO_OPT_G_IO_BUF,
3306 },
83349190
YH		 3307 {
3308 .name = "clat_percentiles",
e8b0e958 3309 .lname = "Completion latency percentiles",
83349190
YH		 3310 .type = FIO_OPT_BOOL,
3311 .off1 = td_var_offset(clat_percentiles),
3312 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3313 .def = "1",
e8b0e958
JA		 3314 .category = FIO_OPT_C_STAT,
3315 .group = FIO_OPT_G_INVALID,
83349190
YH		 3316 },
3317 {
3318 .name = "percentile_list",
e8b0e958 3319 .lname = "Completion latency percentile list",
83349190
YH		 3320 .type = FIO_OPT_FLOAT_LIST,
3321 .off1 = td_var_offset(percentile_list),
435d195a 3322 .off2 = td_var_offset(percentile_precision),
83349190 3323 .help = "Specify a custom list of percentiles to report",
fd112d34 3324 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3325 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3326 .minfp = 0.0,
3327 .maxfp = 100.0,
e8b0e958
JA		 3328 .category = FIO_OPT_C_STAT,
3329 .group = FIO_OPT_G_INVALID,
83349190
YH		 3330 },
3331
0a839f30
JA		 3332#ifdef FIO_HAVE_DISK_UTIL
3333 {
3334 .name = "disk_util",
e8b0e958 3335 .lname = "Disk utilization",
0a839f30
JA		 3336 .type = FIO_OPT_BOOL,
3337 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3338 .help = "Log disk utilization statistics",
0a839f30 3339 .def = "1",
e8b0e958
JA		 3340 .category = FIO_OPT_C_STAT,
3341 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3342 },
3343#endif
993bf48b
JA		 3344 {
3345 .name = "gtod_reduce",
e8b0e958 3346 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3347 .type = FIO_OPT_BOOL,
3348 .help = "Greatly reduce number of gettimeofday() calls",
3349 .cb = str_gtod_reduce_cb,
3350 .def = "0",
a4ed77fe 3351 .hide_on_set = 1,
e8b0e958
JA		 3352 .category = FIO_OPT_C_STAT,
3353 .group = FIO_OPT_G_INVALID,
993bf48b 3354 },
02af0988
JA		 3355 {
3356 .name = "disable_lat",
e8b0e958 3357 .lname = "Disable all latency stats",
02af0988
JA		 3358 .type = FIO_OPT_BOOL,
3359 .off1 = td_var_offset(disable_lat),
3360 .help = "Disable latency numbers",
3361 .parent = "gtod_reduce",
d71c154c 3362 .hide = 1,
02af0988 3363 .def = "0",
e8b0e958
JA		 3364 .category = FIO_OPT_C_STAT,
3365 .group = FIO_OPT_G_INVALID,
02af0988 3366 },
9520ebb9
JA		 3367 {
3368 .name = "disable_clat",
e8b0e958 3369 .lname = "Disable completion latency stats",
9520ebb9
JA		 3370 .type = FIO_OPT_BOOL,
3371 .off1 = td_var_offset(disable_clat),
3372 .help = "Disable completion latency numbers",
993bf48b 3373 .parent = "gtod_reduce",
d71c154c 3374 .hide = 1,
9520ebb9 3375 .def = "0",
e8b0e958
JA		 3376 .category = FIO_OPT_C_STAT,
3377 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3378 },
3379 {
3380 .name = "disable_slat",
e8b0e958 3381 .lname = "Disable submission latency stats",
9520ebb9
JA		 3382 .type = FIO_OPT_BOOL,
3383 .off1 = td_var_offset(disable_slat),
03e20d68 3384 .help = "Disable submission latency numbers",
993bf48b 3385 .parent = "gtod_reduce",
d71c154c 3386 .hide = 1,
9520ebb9 3387 .def = "0",
e8b0e958
JA		 3388 .category = FIO_OPT_C_STAT,
3389 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3390 },
3391 {
3392 .name = "disable_bw_measurement",
e8b0e958 3393 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3394 .type = FIO_OPT_BOOL,
3395 .off1 = td_var_offset(disable_bw),
3396 .help = "Disable bandwidth logging",
993bf48b 3397 .parent = "gtod_reduce",
d71c154c 3398 .hide = 1,
9520ebb9 3399 .def = "0",
e8b0e958
JA		 3400 .category = FIO_OPT_C_STAT,
3401 .group = FIO_OPT_G_INVALID,
9520ebb9 3402 },
be4ecfdf
JA		 3403 {
3404 .name = "gtod_cpu",
e8b0e958 3405 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 3406 .type = FIO_OPT_INT,
3407 .cb = str_gtod_cpu_cb,
03e20d68 3408 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3409 .verify = gtod_cpu_verify,
e8b0e958 3410 .category = FIO_OPT_C_GENERAL,
10860056 3411 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3412 },
771e58be
JA		 3413 {
3414 .name = "unified_rw_reporting",
3415 .type = FIO_OPT_BOOL,
3416 .off1 = td_var_offset(unified_rw_rep),
3417 .help = "Unify reporting across data direction",
3418 .def = "0",
90b7a96d
JA		 3419 .category = FIO_OPT_C_GENERAL,
3420 .group = FIO_OPT_G_INVALID,
771e58be 3421 },
f2bba182
RR		 3422 {
3423 .name = "continue_on_error",
e8b0e958 3424 .lname = "Continue on error",
06842027 3425 .type = FIO_OPT_STR,
f2bba182 3426 .off1 = td_var_offset(continue_on_error),
03e20d68 3427 .help = "Continue on non-fatal errors during IO",
06842027 3428 .def = "none",
e8b0e958 3429 .category = FIO_OPT_C_GENERAL,
bc3f552f 3430 .group = FIO_OPT_G_ERR,
06842027
SL		 3431 .posval = {
3432 { .ival = "none",
3433 .oval = ERROR_TYPE_NONE,
3434 .help = "Exit when an error is encountered",
3435 },
3436 { .ival = "read",
3437 .oval = ERROR_TYPE_READ,
3438 .help = "Continue on read errors only",
3439 },
3440 { .ival = "write",
3441 .oval = ERROR_TYPE_WRITE,
3442 .help = "Continue on write errors only",
3443 },
3444 { .ival = "io",
3445 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3446 .help = "Continue on any IO errors",
3447 },
3448 { .ival = "verify",
3449 .oval = ERROR_TYPE_VERIFY,
3450 .help = "Continue on verify errors only",
3451 },
3452 { .ival = "all",
3453 .oval = ERROR_TYPE_ANY,
3454 .help = "Continue on all io and verify errors",
3455 },
3456 { .ival = "0",
3457 .oval = ERROR_TYPE_NONE,
3458 .help = "Alias for 'none'",
3459 },
3460 { .ival = "1",
3461 .oval = ERROR_TYPE_ANY,
3462 .help = "Alias for 'all'",
3463 },
3464 },
f2bba182 3465 },
8b28bd41
DM		 3466 {
3467 .name = "ignore_error",
3468 .type = FIO_OPT_STR,
3469 .cb = str_ignore_error_cb,
a8523a6a 3470 .off1 = td_var_offset(ignore_error_nr),
8b28bd41
DM		 3471 .help = "Set a specific list of errors to ignore",
3472 .parent = "rw",
a94eb99a 3473 .category = FIO_OPT_C_GENERAL,
bc3f552f 3474 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3475 },
3476 {
3477 .name = "error_dump",
3478 .type = FIO_OPT_BOOL,
3479 .off1 = td_var_offset(error_dump),
3480 .def = "0",
3481 .help = "Dump info on each error",
a94eb99a 3482 .category = FIO_OPT_C_GENERAL,
bc3f552f 3483 .group = FIO_OPT_G_ERR,
8b28bd41 3484 },
9ac8a797
JA		 3485 {
3486 .name = "profile",
e8b0e958 3487 .lname = "Profile",
79d16311 3488 .type = FIO_OPT_STR_STORE,
9ac8a797 3489 .off1 = td_var_offset(profile),
9ac8a797 3490 .help = "Select a specific builtin performance test",
13fca827 3491 .category = FIO_OPT_C_PROFILE,
e8b0e958 3492 .group = FIO_OPT_G_INVALID,
9ac8a797 3493 },
a696fa2a
JA		 3494 {
3495 .name = "cgroup",
e8b0e958 3496 .lname = "Cgroup",
a696fa2a
JA		 3497 .type = FIO_OPT_STR_STORE,
3498 .off1 = td_var_offset(cgroup),
3499 .help = "Add job to cgroup of this name",
e8b0e958 3500 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3501 .group = FIO_OPT_G_CGROUP,
3502 },
3503 {
3504 .name = "cgroup_nodelete",
3505 .lname = "Cgroup no-delete",
3506 .type = FIO_OPT_BOOL,
3507 .off1 = td_var_offset(cgroup_nodelete),
3508 .help = "Do not delete cgroups after job completion",
3509 .def = "0",
3510 .parent = "cgroup",
3511 .category = FIO_OPT_C_GENERAL,
3512 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3513 },
3514 {
3515 .name = "cgroup_weight",
e8b0e958 3516 .lname = "Cgroup weight",
a696fa2a
JA		 3517 .type = FIO_OPT_INT,
3518 .off1 = td_var_offset(cgroup_weight),
3519 .help = "Use given weight for cgroup",
3520 .minval = 100,
3521 .maxval = 1000,
a1f6afec 3522 .parent = "cgroup",
e8b0e958 3523 .category = FIO_OPT_C_GENERAL,
a1f6afec 3524 .group = FIO_OPT_G_CGROUP,
7de87099 3525 },
e0b0d892
JA		 3526 {
3527 .name = "uid",
e8b0e958 3528 .lname = "User ID",
e0b0d892
JA		 3529 .type = FIO_OPT_INT,
3530 .off1 = td_var_offset(uid),
3531 .help = "Run job with this user ID",
e8b0e958 3532 .category = FIO_OPT_C_GENERAL,
10860056 3533 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3534 },
3535 {
3536 .name = "gid",
e8b0e958 3537 .lname = "Group ID",
e0b0d892
JA		 3538 .type = FIO_OPT_INT,
3539 .off1 = td_var_offset(gid),
3540 .help = "Run job with this group ID",
e8b0e958 3541 .category = FIO_OPT_C_GENERAL,
10860056 3542 .group = FIO_OPT_G_CRED,
e0b0d892 3543 },
a1f6afec
JA		 3544 {
3545 .name = "kb_base",
3546 .lname = "KB Base",
3547 .type = FIO_OPT_INT,
3548 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3549 .prio = 1,
3550 .def = "1024",
ba9c7219
JA		 3551 .posval = {
3552 { .ival = "1024",
3553 .oval = 1024,
3554 .help = "Use 1024 as the K base",
3555 },
3556 { .ival = "1000",
3557 .oval = 1000,
3558 .help = "Use 1000 as the K base",
3559 },
3560 },
a1f6afec
JA		 3561 .help = "How many bytes per KB for reporting (1000 or 1024)",
3562 .category = FIO_OPT_C_GENERAL,
3563 .group = FIO_OPT_G_INVALID,
3564 },
cf3a0518
JA		 3565 {
3566 .name = "unit_base",
ba9c7219 3567 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3568 .type = FIO_OPT_INT,
3569 .off1 = td_var_offset(unit_base),
cf3a0518 3570 .prio = 1,
71a08258
JA		 3571 .posval = {
3572 { .ival = "0",
3573 .oval = 0,
3574 .help = "Auto-detect",
3575 },
3576 { .ival = "8",
3577 .oval = 8,
3578 .help = "Normal (byte based)",
3579 },
3580 { .ival = "1",
3581 .oval = 1,
3582 .help = "Bit based",
3583 },
3584 },
cf3a0518
JA		 3585 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3586 .category = FIO_OPT_C_GENERAL,
3587 .group = FIO_OPT_G_INVALID,
3588 },
3ceb458f
JA		 3589 {
3590 .name = "hugepage-size",
3591 .lname = "Hugepage size",
3592 .type = FIO_OPT_INT,
3593 .off1 = td_var_offset(hugepage_size),
3594 .help = "When using hugepages, specify size of each page",
3595 .def = __fio_stringify(FIO_HUGE_PAGE),
3596 .interval = 1024 * 1024,
3597 .category = FIO_OPT_C_GENERAL,
3598 .group = FIO_OPT_G_INVALID,
3599 },
9e684a49
DE		 3600 {
3601 .name = "flow_id",
e8b0e958 3602 .lname = "I/O flow ID",
9e684a49
DE		 3603 .type = FIO_OPT_INT,
3604 .off1 = td_var_offset(flow_id),
3605 .help = "The flow index ID to use",
3606 .def = "0",
e8b0e958
JA		 3607 .category = FIO_OPT_C_IO,
3608 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3609 },
3610 {
3611 .name = "flow",
e8b0e958 3612 .lname = "I/O flow weight",
9e684a49
DE		 3613 .type = FIO_OPT_INT,
3614 .off1 = td_var_offset(flow),
3615 .help = "Weight for flow control of this job",
3616 .parent = "flow_id",
d71c154c 3617 .hide = 1,
9e684a49 3618 .def = "0",
e8b0e958
JA		 3619 .category = FIO_OPT_C_IO,
3620 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3621 },
3622 {
3623 .name = "flow_watermark",
e8b0e958 3624 .lname = "I/O flow watermark",
9e684a49
DE		 3625 .type = FIO_OPT_INT,
3626 .off1 = td_var_offset(flow_watermark),
3627 .help = "High watermark for flow control. This option"
3628 " should be set to the same value for all threads"
3629 " with non-zero flow.",
3630 .parent = "flow_id",
d71c154c 3631 .hide = 1,
9e684a49 3632 .def = "1024",
e8b0e958
JA		 3633 .category = FIO_OPT_C_IO,
3634 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3635 },
3636 {
3637 .name = "flow_sleep",
e8b0e958 3638 .lname = "I/O flow sleep",
9e684a49
DE		 3639 .type = FIO_OPT_INT,
3640 .off1 = td_var_offset(flow_sleep),
3641 .help = "How many microseconds to sleep after being held"
3642 " back by the flow control mechanism",
3643 .parent = "flow_id",
d71c154c 3644 .hide = 1,
9e684a49 3645 .def = "0",
e8b0e958
JA		 3646 .category = FIO_OPT_C_IO,
3647 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3648 },
214e1eca
JA		 3649 {
3650 .name = NULL,
3651 },
3652};
3653
17af15d4 3654static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3655 const char *name, int val)
9f81736c 3656{
17af15d4 3657 lopt->name = (char *) name;
de890a1e 3658 lopt->val = val;
9f81736c 3659 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3660 lopt->has_arg = optional_argument;
9f81736c
JA		 3661 else
3662 lopt->has_arg = required_argument;
3663}
3664
de890a1e
SL		 3665static void options_to_lopts(struct fio_option *opts,
3666 struct option *long_options,
3667 int i, int option_type)
214e1eca 3668{
de890a1e 3669 struct fio_option *o = &opts[0];
214e1eca 3670 while (o->name) {
de890a1e 3671 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3672 if (o->alias) {
3673 i++;
de890a1e 3674 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3675 }
214e1eca
JA		 3676
3677 i++;
3678 o++;
3679 assert(i < FIO_NR_OPTIONS);
3680 }
3681}
3682
de890a1e
SL		 3683void fio_options_set_ioengine_opts(struct option *long_options,
3684 struct thread_data *td)
3685{
3686 unsigned int i;
3687
3688 i = 0;
3689 while (long_options[i].name) {
3690 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3691 memset(&long_options[i], 0, sizeof(*long_options));
3692 break;
3693 }
3694 i++;
3695 }
3696
3697 /*
3698 * Just clear out the prior ioengine options.
3699 */
3700 if (!td || !td->eo)
3701 return;
3702
3703 options_to_lopts(td->io_ops->options, long_options, i,
3704 FIO_GETOPT_IOENGINE);
3705}
3706
3707void fio_options_dup_and_init(struct option *long_options)
3708{
3709 unsigned int i;
3710
9af4a244 3711 options_init(fio_options);
de890a1e
SL		 3712
3713 i = 0;
3714 while (long_options[i].name)
3715 i++;
3716
9af4a244 3717 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3718}
3719
74929ac2
JA		 3720struct fio_keyword {
3721 const char *word;
3722 const char *desc;
3723 char *replace;
3724};
3725
3726static struct fio_keyword fio_keywords[] = {
3727 {
3728 .word = "$pagesize",
3729 .desc = "Page size in the system",
3730 },
3731 {
3732 .word = "$mb_memory",
3733 .desc = "Megabytes of memory online",
3734 },
3735 {
3736 .word = "$ncpus",
3737 .desc = "Number of CPUs online in the system",
3738 },
3739 {
3740 .word = NULL,
3741 },
3742};
3743
3744void fio_keywords_init(void)
3745{
3b2e1464 3746 unsigned long long mb_memory;
74929ac2
JA		 3747 char buf[128];
3748 long l;
3749
a4cfc477 3750 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3751 fio_keywords[0].replace = strdup(buf);
3752
8eb016d3 3753 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3754 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3755 fio_keywords[1].replace = strdup(buf);
3756
c00a2289 3757 l = cpus_online();
74929ac2
JA		 3758 sprintf(buf, "%lu", l);
3759 fio_keywords[2].replace = strdup(buf);
3760}
3761
892a6ffc
JA		 3762#define BC_APP "bc"
3763
3764static char *bc_calc(char *str)
3765{
d0c814ec 3766 char buf[128], *tmp;
892a6ffc
JA		 3767 FILE *f;
3768 int ret;
3769
3770 /*
3771 * No math, just return string
3772 */
d0c814ec
SL		 3773 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3774 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3775 return str;
3776
3777 /*
3778 * Split option from value, we only need to calculate the value
3779 */
3780 tmp = strchr(str, '=');
3781 if (!tmp)
3782 return str;
3783
3784 tmp++;
892a6ffc 3785
d0c814ec
SL		 3786 /*
3787 * Prevent buffer overflows; such a case isn't reasonable anyway
3788 */
3789 if (strlen(str) >= 128 || strlen(tmp) > 100)
3790 return str;
892a6ffc
JA		 3791
3792 sprintf(buf, "which %s > /dev/null", BC_APP);
3793 if (system(buf)) {
3794 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3795 return NULL;
3796 }
3797
d0c814ec 3798 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3799 f = popen(buf, "r");
3c3ed070 3800 if (!f)
892a6ffc 3801 return NULL;
892a6ffc 3802
d0c814ec 3803 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 3804 if (ret <= 0) {
3805 pclose(f);
892a6ffc 3806 return NULL;
1d824f37 3807 }
892a6ffc 3808
892a6ffc 3809 pclose(f);
d0c814ec
SL		 3810 buf[(tmp - str) + ret - 1] = '\0';
3811 memcpy(buf, str, tmp - str);
892a6ffc 3812 free(str);
d0c814ec
SL		 3813 return strdup(buf);
3814}
3815
3816/*
3817 * Return a copy of the input string with substrings of the form ${VARNAME}
3818 * substituted with the value of the environment variable VARNAME. The
3819 * substitution always occurs, even if VARNAME is empty or the corresponding
3820 * environment variable undefined.
3821 */
3822static char *option_dup_subs(const char *opt)
3823{
3824 char out[OPT_LEN_MAX+1];
3825 char in[OPT_LEN_MAX+1];
3826 char *outptr = out;
3827 char *inptr = in;
3828 char *ch1, *ch2, *env;
3829 ssize_t nchr = OPT_LEN_MAX;
3830 size_t envlen;
3831
3832 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3833 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3834 return NULL;
3835 }
3836
3837 in[OPT_LEN_MAX] = '\0';
3838 strncpy(in, opt, OPT_LEN_MAX);
3839
3840 while (*inptr && nchr > 0) {
3841 if (inptr[0] == '$' && inptr[1] == '{') {
3842 ch2 = strchr(inptr, '}');
3843 if (ch2 && inptr+1 < ch2) {
3844 ch1 = inptr+2;
3845 inptr = ch2+1;
3846 *ch2 = '\0';
3847
3848 env = getenv(ch1);
3849 if (env) {
3850 envlen = strlen(env);
3851 if (envlen <= nchr) {
3852 memcpy(outptr, env, envlen);
3853 outptr += envlen;
3854 nchr -= envlen;
3855 }
3856 }
3857
3858 continue;
3859 }
3860 }
3861
3862 *outptr++ = *inptr++;
3863 --nchr;
3864 }
3865
3866 *outptr = '\0';
3867 return strdup(out);
892a6ffc
JA		 3868}
3869
74929ac2
JA		 3870/*
3871 * Look for reserved variable names and replace them with real values
3872 */
3873static char *fio_keyword_replace(char *opt)
3874{
3875 char *s;
3876 int i;
d0c814ec 3877 int docalc = 0;
74929ac2
JA		 3878
3879 for (i = 0; fio_keywords[i].word != NULL; i++) {
3880 struct fio_keyword *kw = &fio_keywords[i];
3881
3882 while ((s = strstr(opt, kw->word)) != NULL) {
3883 char *new = malloc(strlen(opt) + 1);
3884 char *o_org = opt;
3885 int olen = s - opt;
3886 int len;
3887
3888 /*
3889 * Copy part of the string before the keyword and
3890 * sprintf() the replacement after it.
3891 */
3892 memcpy(new, opt, olen);
3893 len = sprintf(new + olen, "%s", kw->replace);
3894
3895 /*
3896 * If there's more in the original string, copy that
3897 * in too
3898 */
3899 opt += strlen(kw->word) + olen;
3900 if (strlen(opt))
3901 memcpy(new + olen + len, opt, opt - o_org - 1);
3902
3903 /*
3904 * replace opt and free the old opt
3905 */
3906 opt = new;
d0c814ec 3907 free(o_org);
7a958bd5 3908
d0c814ec 3909 docalc = 1;
74929ac2
JA		 3910 }
3911 }
3912
d0c814ec
SL		 3913 /*
3914 * Check for potential math and invoke bc, if possible
3915 */
3916 if (docalc)
3917 opt = bc_calc(opt);
3918
7a958bd5 3919 return opt;
74929ac2
JA		 3920}
3921
d0c814ec
SL		 3922static char **dup_and_sub_options(char **opts, int num_opts)
3923{
3924 int i;
3925 char **opts_copy = malloc(num_opts * sizeof(*opts));
3926 for (i = 0; i < num_opts; i++) {
3927 opts_copy[i] = option_dup_subs(opts[i]);
3928 if (!opts_copy[i])
3929 continue;
3930 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3931 }
3932 return opts_copy;
3933}
3934
e15b023b 3935static void show_closest_option(const char *opt)
a2d027b9
JA		 3936{
3937 int best_option, best_distance;
3938 int i, distance;
e15b023b
JA		 3939 char *name;
3940
3941 if (!strlen(opt))
3942 return;
3943
3944 name = strdup(opt);
3945 i = 0;
3946 while (name[i] != '\0' && name[i] != '=')
3947 i++;
3948 name[i] = '\0';
a2d027b9
JA		 3949
3950 best_option = -1;
3951 best_distance = INT_MAX;
3952 i = 0;
3953 while (fio_options[i].name) {
3954 distance = string_distance(name, fio_options[i].name);
3955 if (distance < best_distance) {
3956 best_distance = distance;
3957 best_option = i;
3958 }
3959 i++;
3960 }
3961
3962 if (best_option != -1)
3963 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 3964
3965 free(name);
a2d027b9
JA		 3966}
3967
292cc475
JA		 3968int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3969 int dump_cmdline)
214e1eca 3970{
de890a1e 3971 int i, ret, unknown;
d0c814ec 3972 char **opts_copy;
3b8b7135 3973
9af4a244 3974 sort_options(opts, fio_options, num_opts);
d0c814ec 3975 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 3976
de890a1e
SL		 3977 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3978 struct fio_option *o;
9af4a244 3979 int newret = parse_option(opts_copy[i], opts[i], fio_options,
292cc475 3980 &o, td, dump_cmdline);
d0c814ec 3981
a8523a6a
JA		 3982 if (!newret && o)
3983 fio_option_mark_set(&td->o, o);
3984
de890a1e
SL		 3985 if (opts_copy[i]) {
3986 if (newret && !o) {
3987 unknown++;
3988 continue;
3989 }
d0c814ec 3990 free(opts_copy[i]);
de890a1e
SL		 3991 opts_copy[i] = NULL;
3992 }
3993
3994 ret |= newret;
3995 }
3996
3997 if (unknown) {
3998 ret |= ioengine_load(td);
3999 if (td->eo) {
4000 sort_options(opts_copy, td->io_ops->options, num_opts);
4001 opts = opts_copy;
4002 }
4003 for (i = 0; i < num_opts; i++) {
4004 struct fio_option *o = NULL;
4005 int newret = 1;
a2d027b9 4006
de890a1e
SL		 4007 if (!opts_copy[i])
4008 continue;
4009
4010 if (td->eo)
4011 newret = parse_option(opts_copy[i], opts[i],
4012 td->io_ops->options, &o,
292cc475 4013 td->eo, dump_cmdline);
de890a1e
SL		 4014
4015 ret |= newret;
a2d027b9 4016 if (!o) {
de890a1e 4017 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4018 show_closest_option(opts[i]);
4019 }
de890a1e
SL		 4020 free(opts_copy[i]);
4021 opts_copy[i] = NULL;
4022 }
74929ac2 4023 }
3b8b7135 4024
d0c814ec 4025 free(opts_copy);
3b8b7135 4026 return ret;
214e1eca
JA		 4027}
4028
4029int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4030{
a8523a6a
JA		 4031 int ret;
4032
4033 ret = parse_cmd_option(opt, val, fio_options, td);
4034 if (!ret) {
4035 struct fio_option *o;
4036
4037 o = find_option(fio_options, opt);
4038 if (o)
4039 fio_option_mark_set(&td->o, o);
4040 }
4041
4042 return ret;
214e1eca
JA		 4043}
4044
de890a1e
SL		 4045int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4046 char *val)
4047{
8a96c80e 4048 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
de890a1e
SL		 4049}
4050
214e1eca
JA		 4051void fio_fill_default_options(struct thread_data *td)
4052{
cb1402d6 4053 td->o.magic = OPT_MAGIC;
9af4a244 4054 fill_default_options(td, fio_options);
214e1eca
JA		 4055}
4056
4057int fio_show_option_help(const char *opt)
4058{
9af4a244 4059 return show_cmd_help(fio_options, opt);
214e1eca 4060}
d23bb327 4061
de890a1e 4062void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 4063{
de890a1e 4064 struct fio_option *o;
d23bb327 4065 char **ptr;
d23bb327 4066
de890a1e
SL		 4067 for (o = &options[0]; o->name; o++) {
4068 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 4069 continue;
4070
f0fdbcaf 4071 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 4072 if (*ptr)
4073 *ptr = strdup(*ptr);
d23bb327
JA		 4074 }
4075}
4076
de890a1e
SL		 4077/*
4078 * dupe FIO_OPT_STR_STORE options
4079 */
4080void fio_options_mem_dupe(struct thread_data *td)
4081{
9af4a244 4082 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 4083
4084 if (td->eo && td->io_ops) {
de890a1e 4085 void *oldeo = td->eo;
1647f592 4086
de890a1e
SL		 4087 td->eo = malloc(td->io_ops->option_struct_size);
4088 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4089 options_mem_dupe(td->eo, td->io_ops->options);
4090 }
4091}
4092
d6978a32
JA		 4093unsigned int fio_get_kb_base(void *data)
4094{
83ea422a 4095 struct thread_options *o = data;
d6978a32
JA		 4096 unsigned int kb_base = 0;
4097
cb1402d6
JA		 4098 /*
4099 * This is a hack... For private options, *data is not holding
4100 * a pointer to the thread_options, but to private data. This means
4101 * we can't safely dereference it, but magic is first so mem wise
4102 * it is valid. But this also means that if the job first sets
4103 * kb_base and expects that to be honored by private options,
4104 * it will be disappointed. We will return the global default
4105 * for this.
4106 */
4107 if (o && o->magic == OPT_MAGIC)
83ea422a 4108 kb_base = o->kb_base;
d6978a32
JA		 4109 if (!kb_base)
4110 kb_base = 1024;
4111
4112 return kb_base;
4113}
9f988e2e 4114
07b3232d 4115int add_option(struct fio_option *o)
9f988e2e 4116{
07b3232d
JA		 4117 struct fio_option *__o;
4118 int opt_index = 0;
4119
9af4a244 4120 __o = fio_options;
07b3232d
JA		 4121 while (__o->name) {
4122 opt_index++;
4123 __o++;
4124 }
4125
7b504edd
JA		 4126 if (opt_index + 1 == FIO_MAX_OPTS) {
4127 log_err("fio: FIO_MAX_OPTS is too small\n");
4128 return 1;
4129 }
4130
9af4a244 4131 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4132 fio_options[opt_index + 1].name = NULL;
07b3232d 4133 return 0;
9f988e2e 4134}
e2de69da 4135
07b3232d 4136void invalidate_profile_options(const char *prof_name)
e2de69da 4137{
07b3232d 4138 struct fio_option *o;
e2de69da 4139
9af4a244 4140 o = fio_options;
07b3232d
JA		 4141 while (o->name) {
4142 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4143 o->type = FIO_OPT_INVALID;
4144 o->prof_name = NULL;
4145 }
4146 o++;
e2de69da
JA		 4147 }
4148}
f5b6bb85
JA		 4149
4150void add_opt_posval(const char *optname, const char *ival, const char *help)
4151{
4152 struct fio_option *o;
4153 unsigned int i;
4154
9af4a244 4155 o = find_option(fio_options, optname);
f5b6bb85
JA		 4156 if (!o)
4157 return;
4158
4159 for (i = 0; i < PARSE_MAX_VP; i++) {
4160 if (o->posval[i].ival)
4161 continue;
4162
4163 o->posval[i].ival = ival;
4164 o->posval[i].help = help;
4165 break;
4166 }
4167}
4168
4169void del_opt_posval(const char *optname, const char *ival)
4170{
4171 struct fio_option *o;
4172 unsigned int i;
4173
9af4a244 4174 o = find_option(fio_options, optname);
f5b6bb85
JA		 4175 if (!o)
4176 return;
4177
4178 for (i = 0; i < PARSE_MAX_VP; i++) {
4179 if (!o->posval[i].ival)
4180 continue;
4181 if (strcmp(o->posval[i].ival, ival))
4182 continue;
4183
4184 o->posval[i].ival = NULL;
4185 o->posval[i].help = NULL;
4186 }
4187}
7e356b2d
JA		 4188
4189void fio_options_free(struct thread_data *td)
4190{
9af4a244 4191 options_free(fio_options, td);
de890a1e
SL		 4192 if (td->eo && td->io_ops && td->io_ops->options) {
4193 options_free(td->io_ops->options, td->eo);
4194 free(td->eo);
4195 td->eo = NULL;
4196 }
7e356b2d 4197}
c504ee55
JA		 4198
4199struct fio_option *fio_option_find(const char *name)
4200{
4201 return find_option(fio_options, name);
4202}
4203
a8523a6a
JA		 4204int __fio_option_is_set(struct thread_options *o, unsigned int off1)
4205{
4206 unsigned int opt_off, index, offset;
4207 struct fio_option *opt = NULL;
4208 int i;
4209
4210 for (i = 0; fio_options[i].name; i++) {
4211 if (off1 == fio_options[i].off1) {
4212 opt = &fio_options[i];
4213 break;
4214 }
4215 }
4216
4217 if (!opt) {
4218 log_err("fio: no option found at offset %u\n", off1);
4219 return 0;
4220 }
4221
4222 opt_off = opt - &fio_options[0];
4223 index = opt_off / (8 * sizeof(uint64_t));
4224 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4225 return (o->set_options[index] & (1UL << offset)) != 0;
4226}
4227
4228void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4229{
4230 unsigned int opt_off, index, offset;
4231
4232 opt_off = opt - &fio_options[0];
4233 index = opt_off / (8 * sizeof(uint64_t));
4234 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4235 o->set_options[index] |= 1UL << offset;
4236}
fio - Flexible IO Tester