options: split out option grouping code
[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>
e13c3b50 11#include <netinet/in.h>
214e1eca
JA
12
13#include "fio.h"
4f5af7b2 14#include "verify.h"
214e1eca 15#include "parse.h"
eef32359 16#include "lib/fls.h"
61b9861d 17#include "lib/pattern.h"
9f988e2e 18#include "options.h"
d220c761 19#include "optgroup.h"
214e1eca 20
5d7c5d34
JA
21#include "crc/crc32c.h"
22
e13c3b50 23char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 24
61b9861d
RP
25struct pattern_fmt_desc fmt_desc[] = {
26 {
27 .fmt = "%o",
28 .len = FIELD_SIZE(struct io_u *, offset),
29 .paste = paste_blockoff
30 }
31};
32
214e1eca
JA
33/*
34 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
35 */
36static char *get_opt_postfix(const char *str)
37{
38 char *p = strstr(str, ":");
39
40 if (!p)
41 return NULL;
42
43 p++;
44 strip_blank_front(&p);
45 strip_blank_end(p);
46 return strdup(p);
47}
48
564ca972
JA
49static int bs_cmp(const void *p1, const void *p2)
50{
51 const struct bssplit *bsp1 = p1;
52 const struct bssplit *bsp2 = p2;
53
54 return bsp1->perc < bsp2->perc;
55}
56
83ea422a 57static int bssplit_ddir(struct thread_options *o, int ddir, char *str)
564ca972 58{
720e84ad 59 struct bssplit *bssplit;
564ca972
JA
60 unsigned int i, perc, perc_missing;
61 unsigned int max_bs, min_bs;
62 long long val;
720e84ad 63 char *fname;
564ca972 64
83ea422a 65 o->bssplit_nr[ddir] = 4;
720e84ad 66 bssplit = malloc(4 * sizeof(struct bssplit));
564ca972
JA
67
68 i = 0;
69 max_bs = 0;
70 min_bs = -1;
71 while ((fname = strsep(&str, ":")) != NULL) {
72 char *perc_str;
73
74 if (!strlen(fname))
75 break;
76
77 /*
78 * grow struct buffer, if needed
79 */
83ea422a
JA
80 if (i == o->bssplit_nr[ddir]) {
81 o->bssplit_nr[ddir] <<= 1;
82 bssplit = realloc(bssplit, o->bssplit_nr[ddir]
5ec10eaa 83 * sizeof(struct bssplit));
564ca972
JA
84 }
85
86 perc_str = strstr(fname, "/");
87 if (perc_str) {
88 *perc_str = '\0';
89 perc_str++;
90 perc = atoi(perc_str);
91 if (perc > 100)
92 perc = 100;
93 else if (!perc)
d711cce5 94 perc = -1U;
564ca972 95 } else
d711cce5 96 perc = -1U;
564ca972 97
88038bc7 98 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
564ca972 99 log_err("fio: bssplit conversion failed\n");
d8b97c8e 100 free(bssplit);
564ca972
JA
101 return 1;
102 }
103
104 if (val > max_bs)
105 max_bs = val;
106 if (val < min_bs)
107 min_bs = val;
108
720e84ad
JA
109 bssplit[i].bs = val;
110 bssplit[i].perc = perc;
564ca972
JA
111 i++;
112 }
113
83ea422a 114 o->bssplit_nr[ddir] = i;
564ca972
JA
115
116 /*
117 * Now check if the percentages add up, and how much is missing
118 */
119 perc = perc_missing = 0;
83ea422a 120 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 121 struct bssplit *bsp = &bssplit[i];
564ca972 122
d711cce5 123 if (bsp->perc == -1U)
564ca972
JA
124 perc_missing++;
125 else
126 perc += bsp->perc;
127 }
128
40bafa33 129 if (perc > 100 && perc_missing > 1) {
564ca972 130 log_err("fio: bssplit percentages add to more than 100%%\n");
720e84ad 131 free(bssplit);
564ca972
JA
132 return 1;
133 }
d711cce5 134
564ca972
JA
135 /*
136 * If values didn't have a percentage set, divide the remains between
137 * them.
138 */
139 if (perc_missing) {
d711cce5 140 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 141 perc = 100;
83ea422a 142 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 143 struct bssplit *bsp = &bssplit[i];
564ca972 144
d711cce5 145 if (bsp->perc == -1U)
564ca972
JA
146 bsp->perc = (100 - perc) / perc_missing;
147 }
148 }
149
83ea422a
JA
150 o->min_bs[ddir] = min_bs;
151 o->max_bs[ddir] = max_bs;
564ca972
JA
152
153 /*
154 * now sort based on percentages, for ease of lookup
155 */
83ea422a
JA
156 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
157 o->bssplit[ddir] = bssplit;
720e84ad 158 return 0;
720e84ad
JA
159}
160
161static int str_bssplit_cb(void *data, const char *input)
162{
163 struct thread_data *td = data;
6eaf09d6 164 char *str, *p, *odir, *ddir;
720e84ad
JA
165 int ret = 0;
166
52c0cea3
JA
167 if (parse_dryrun())
168 return 0;
169
720e84ad
JA
170 p = str = strdup(input);
171
172 strip_blank_front(&str);
173 strip_blank_end(str);
174
175 odir = strchr(str, ',');
176 if (odir) {
6eaf09d6
SL
177 ddir = strchr(odir + 1, ',');
178 if (ddir) {
d79db122 179 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL
180 if (!ret)
181 *ddir = '\0';
182 } else {
183 char *op;
184
185 op = strdup(odir + 1);
d79db122 186 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL
187
188 free(op);
189 }
d79db122
JA
190 if (!ret)
191 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA
192 if (!ret) {
193 *odir = '\0';
83ea422a 194 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad
JA
195 }
196 } else {
197 char *op;
198
199 op = strdup(str);
d79db122 200 ret = bssplit_ddir(&td->o, DDIR_WRITE, op);
6eaf09d6 201 free(op);
720e84ad 202
6eaf09d6
SL
203 if (!ret) {
204 op = strdup(str);
d79db122 205 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL
206 free(op);
207 }
f0c9c217
JA
208 if (!ret)
209 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad 210 }
564ca972
JA
211
212 free(p);
720e84ad 213 return ret;
564ca972
JA
214}
215
8b28bd41
DM
216static int str2error(char *str)
217{
a94eb99a 218 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM
219 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
220 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
221 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
222 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
223 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
224 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 225 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
8b28bd41
DM
226 int i = 0, num = sizeof(err) / sizeof(void *);
227
a94eb99a 228 while (i < num) {
8b28bd41
DM
229 if (!strcmp(err[i], str))
230 return i + 1;
231 i++;
232 }
233 return 0;
234}
235
236static int ignore_error_type(struct thread_data *td, int etype, char *str)
237{
238 unsigned int i;
239 int *error;
240 char *fname;
241
242 if (etype >= ERROR_TYPE_CNT) {
243 log_err("Illegal error type\n");
244 return 1;
245 }
246
247 td->o.ignore_error_nr[etype] = 4;
248 error = malloc(4 * sizeof(struct bssplit));
249
250 i = 0;
251 while ((fname = strsep(&str, ":")) != NULL) {
252
253 if (!strlen(fname))
254 break;
255
256 /*
257 * grow struct buffer, if needed
258 */
259 if (i == td->o.ignore_error_nr[etype]) {
260 td->o.ignore_error_nr[etype] <<= 1;
261 error = realloc(error, td->o.ignore_error_nr[etype]
262 * sizeof(int));
263 }
264 if (fname[0] == 'E') {
265 error[i] = str2error(fname);
266 } else {
267 error[i] = atoi(fname);
268 if (error[i] < 0)
1616e025 269 error[i] = -error[i];
8b28bd41
DM
270 }
271 if (!error[i]) {
272 log_err("Unknown error %s, please use number value \n",
273 fname);
0fddbf7a 274 free(error);
8b28bd41
DM
275 return 1;
276 }
277 i++;
278 }
279 if (i) {
280 td->o.continue_on_error |= 1 << etype;
281 td->o.ignore_error_nr[etype] = i;
282 td->o.ignore_error[etype] = error;
c7b086be
JA
283 } else
284 free(error);
285
8b28bd41
DM
286 return 0;
287
288}
289
290static int str_ignore_error_cb(void *data, const char *input)
291{
292 struct thread_data *td = data;
293 char *str, *p, *n;
294 int type = 0, ret = 1;
52c0cea3
JA
295
296 if (parse_dryrun())
297 return 0;
298
8b28bd41
DM
299 p = str = strdup(input);
300
301 strip_blank_front(&str);
302 strip_blank_end(str);
303
304 while (p) {
305 n = strchr(p, ',');
306 if (n)
307 *n++ = '\0';
308 ret = ignore_error_type(td, type, p);
309 if (ret)
310 break;
311 p = n;
312 type++;
313 }
314 free(str);
315 return ret;
316}
317
211097b2
JA
318static int str_rw_cb(void *data, const char *str)
319{
320 struct thread_data *td = data;
83ea422a 321 struct thread_options *o = &td->o;
27ca949f 322 char *nr;
211097b2 323
52c0cea3
JA
324 if (parse_dryrun())
325 return 0;
326
83ea422a
JA
327 o->ddir_seq_nr = 1;
328 o->ddir_seq_add = 0;
059b0802 329
27ca949f 330 nr = get_opt_postfix(str);
059b0802
JA
331 if (!nr)
332 return 0;
333
334 if (td_random(td))
83ea422a 335 o->ddir_seq_nr = atoi(nr);
059b0802
JA
336 else {
337 long long val;
338
88038bc7 339 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA
340 log_err("fio: rw postfix parsing failed\n");
341 free(nr);
342 return 1;
343 }
344
83ea422a 345 o->ddir_seq_add = val;
182ec6ee 346 }
211097b2 347
059b0802 348 free(nr);
211097b2
JA
349 return 0;
350}
351
214e1eca
JA
352static int str_mem_cb(void *data, const char *mem)
353{
354 struct thread_data *td = data;
355
217b0f1d
LG
356 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
357 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 358 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA
359
360 return 0;
361}
362
c223da83
JA
363static int fio_clock_source_cb(void *data, const char *str)
364{
365 struct thread_data *td = data;
366
367 fio_clock_source = td->o.clocksource;
fa80feae 368 fio_clock_source_set = 1;
01423eae 369 fio_clock_init();
c223da83
JA
370 return 0;
371}
372
85bc833b 373static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA
374{
375 struct thread_data *td = data;
376
377 td->o.rwmix[DDIR_READ] = *val;
378 td->o.rwmix[DDIR_WRITE] = 100 - *val;
379 return 0;
380}
381
85bc833b 382static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA
383{
384 struct thread_data *td = data;
385
386 td->o.rwmix[DDIR_WRITE] = *val;
387 td->o.rwmix[DDIR_READ] = 100 - *val;
388 return 0;
389}
390
214e1eca
JA
391static int str_exitall_cb(void)
392{
393 exitall_on_terminate = 1;
394 return 0;
395}
396
214e1eca 397#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 398int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 399{
50b5860b 400 unsigned int i, index, cpus_in_mask;
c2acfbac 401 const long max_cpu = cpus_online();
c2acfbac 402
50b5860b
JA
403 cpus_in_mask = fio_cpu_count(mask);
404 cpu_index = cpu_index % cpus_in_mask;
405
406 index = 0;
c2acfbac 407 for (i = 0; i < max_cpu; i++) {
50b5860b 408 if (!fio_cpu_isset(mask, i))
c2acfbac 409 continue;
50b5860b
JA
410
411 if (cpu_index != index)
412 fio_cpu_clear(mask, i);
413
414 index++;
c2acfbac
JA
415 }
416
417 return fio_cpu_count(mask);
418}
419
85bc833b 420static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA
421{
422 struct thread_data *td = data;
214e1eca 423 unsigned int i;
b03daafb 424 long max_cpu;
d2ce18b5
JA
425 int ret;
426
52c0cea3
JA
427 if (parse_dryrun())
428 return 0;
429
d2ce18b5
JA
430 ret = fio_cpuset_init(&td->o.cpumask);
431 if (ret < 0) {
432 log_err("fio: cpuset_init failed\n");
433 td_verror(td, ret, "fio_cpuset_init");
434 return 1;
435 }
214e1eca 436
c00a2289 437 max_cpu = cpus_online();
214e1eca 438
62a7273d
JA
439 for (i = 0; i < sizeof(int) * 8; i++) {
440 if ((1 << i) & *val) {
b8411399 441 if (i >= max_cpu) {
b03daafb 442 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 443 max_cpu - 1);
b03daafb
JA
444 return 1;
445 }
62a7273d 446 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 447 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA
448 }
449 }
d2e268b0 450
d2e268b0 451 return 0;
214e1eca
JA
452}
453
e8462bd8
JA
454static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
455 const char *input)
214e1eca 456{
d2e268b0 457 char *cpu, *str, *p;
b03daafb 458 long max_cpu;
19608d6c 459 int ret = 0;
d2e268b0 460
e8462bd8 461 ret = fio_cpuset_init(mask);
d2ce18b5
JA
462 if (ret < 0) {
463 log_err("fio: cpuset_init failed\n");
464 td_verror(td, ret, "fio_cpuset_init");
465 return 1;
466 }
d2e268b0
JA
467
468 p = str = strdup(input);
214e1eca 469
d2e268b0
JA
470 strip_blank_front(&str);
471 strip_blank_end(str);
472
c00a2289 473 max_cpu = cpus_online();
b03daafb 474
d2e268b0 475 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA
476 char *str2, *cpu2;
477 int icpu, icpu2;
478
d2e268b0
JA
479 if (!strlen(cpu))
480 break;
62a7273d
JA
481
482 str2 = cpu;
483 icpu2 = -1;
484 while ((cpu2 = strsep(&str2, "-")) != NULL) {
485 if (!strlen(cpu2))
486 break;
487
488 icpu2 = atoi(cpu2);
489 }
490
491 icpu = atoi(cpu);
492 if (icpu2 == -1)
493 icpu2 = icpu;
494 while (icpu <= icpu2) {
6d459ee7 495 if (icpu >= FIO_MAX_CPUS) {
19608d6c 496 log_err("fio: your OS only supports up to"
6d459ee7 497 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA
498 ret = 1;
499 break;
500 }
9e986889 501 if (icpu >= max_cpu) {
b03daafb 502 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 503 icpu, max_cpu - 1);
b03daafb
JA
504 ret = 1;
505 break;
506 }
0b9d69ec 507
62a7273d 508 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 509 fio_cpu_set(mask, icpu);
62a7273d
JA
510 icpu++;
511 }
19608d6c
JA
512 if (ret)
513 break;
d2e268b0
JA
514 }
515
516 free(p);
19608d6c 517 return ret;
214e1eca 518}
e8462bd8
JA
519
520static int str_cpus_allowed_cb(void *data, const char *input)
521{
522 struct thread_data *td = data;
e8462bd8 523
52c0cea3
JA
524 if (parse_dryrun())
525 return 0;
526
b2a9e649 527 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA
528}
529
530static int str_verify_cpus_allowed_cb(void *data, const char *input)
531{
532 struct thread_data *td = data;
e8462bd8 533
466155e2
JA
534 if (parse_dryrun())
535 return 0;
536
b2a9e649 537 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 538}
c08f9fe2 539
105157ad 540#ifdef CONFIG_ZLIB
c08f9fe2
JA
541static int str_log_cpus_allowed_cb(void *data, const char *input)
542{
543 struct thread_data *td = data;
544
545 if (parse_dryrun())
546 return 0;
547
548 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
549}
105157ad 550#endif /* CONFIG_ZLIB */
c08f9fe2 551
105157ad 552#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 553
67bf9823 554#ifdef CONFIG_LIBNUMA
d0b937ed
YR
555static int str_numa_cpunodes_cb(void *data, char *input)
556{
557 struct thread_data *td = data;
43522848 558 struct bitmask *verify_bitmask;
d0b937ed 559
52c0cea3
JA
560 if (parse_dryrun())
561 return 0;
562
d0b937ed
YR
563 /* numa_parse_nodestring() parses a character string list
564 * of nodes into a bit mask. The bit mask is allocated by
565 * numa_allocate_nodemask(), so it should be freed by
566 * numa_free_nodemask().
567 */
43522848
DG
568 verify_bitmask = numa_parse_nodestring(input);
569 if (verify_bitmask == NULL) {
d0b937ed
YR
570 log_err("fio: numa_parse_nodestring failed\n");
571 td_verror(td, 1, "str_numa_cpunodes_cb");
572 return 1;
573 }
43522848 574 numa_free_nodemask(verify_bitmask);
d0b937ed 575
43522848 576 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR
577 return 0;
578}
579
580static int str_numa_mpol_cb(void *data, char *input)
581{
582 struct thread_data *td = data;
583 const char * const policy_types[] =
05d6f44b 584 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 585 int i;
52c0cea3 586 char *nodelist;
43522848 587 struct bitmask *verify_bitmask;
52c0cea3
JA
588
589 if (parse_dryrun())
590 return 0;
d0b937ed 591
52c0cea3 592 nodelist = strchr(input, ':');
d0b937ed
YR
593 if (nodelist) {
594 /* NUL-terminate mode */
595 *nodelist++ = '\0';
596 }
597
598 for (i = 0; i <= MPOL_LOCAL; i++) {
599 if (!strcmp(input, policy_types[i])) {
600 td->o.numa_mem_mode = i;
601 break;
602 }
603 }
604 if (i > MPOL_LOCAL) {
605 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
606 goto out;
607 }
608
609 switch (td->o.numa_mem_mode) {
610 case MPOL_PREFERRED:
611 /*
612 * Insist on a nodelist of one node only
613 */
614 if (nodelist) {
615 char *rest = nodelist;
616 while (isdigit(*rest))
617 rest++;
618 if (*rest) {
619 log_err("fio: one node only for \'prefer\'\n");
620 goto out;
621 }
622 } else {
623 log_err("fio: one node is needed for \'prefer\'\n");
624 goto out;
625 }
626 break;
627 case MPOL_INTERLEAVE:
628 /*
629 * Default to online nodes with memory if no nodelist
630 */
631 if (!nodelist)
632 nodelist = strdup("all");
633 break;
634 case MPOL_LOCAL:
635 case MPOL_DEFAULT:
636 /*
637 * Don't allow a nodelist
638 */
639 if (nodelist) {
640 log_err("fio: NO nodelist for \'local\'\n");
641 goto out;
642 }
643 break;
644 case MPOL_BIND:
645 /*
646 * Insist on a nodelist
647 */
648 if (!nodelist) {
649 log_err("fio: a nodelist is needed for \'bind\'\n");
650 goto out;
651 }
652 break;
653 }
654
655
656 /* numa_parse_nodestring() parses a character string list
657 * of nodes into a bit mask. The bit mask is allocated by
658 * numa_allocate_nodemask(), so it should be freed by
659 * numa_free_nodemask().
660 */
661 switch (td->o.numa_mem_mode) {
662 case MPOL_PREFERRED:
663 td->o.numa_mem_prefer_node = atoi(nodelist);
664 break;
665 case MPOL_INTERLEAVE:
666 case MPOL_BIND:
43522848
DG
667 verify_bitmask = numa_parse_nodestring(nodelist);
668 if (verify_bitmask == NULL) {
d0b937ed
YR
669 log_err("fio: numa_parse_nodestring failed\n");
670 td_verror(td, 1, "str_numa_memnodes_cb");
671 return 1;
672 }
43522848
DG
673 td->o.numa_memnodes = strdup(nodelist);
674 numa_free_nodemask(verify_bitmask);
b74e419e 675
d0b937ed
YR
676 break;
677 case MPOL_LOCAL:
678 case MPOL_DEFAULT:
679 default:
680 break;
681 }
682
d0b937ed 683 return 0;
d0b937ed
YR
684out:
685 return 1;
686}
687#endif
688
214e1eca
JA
689static int str_fst_cb(void *data, const char *str)
690{
691 struct thread_data *td = data;
692 char *nr = get_opt_postfix(str);
693
694 td->file_service_nr = 1;
182ec6ee 695 if (nr) {
214e1eca 696 td->file_service_nr = atoi(nr);
182ec6ee
JA
697 free(nr);
698 }
214e1eca
JA
699
700 return 0;
701}
702
67bf9823 703#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
704static int str_sfr_cb(void *data, const char *str)
705{
706 struct thread_data *td = data;
707 char *nr = get_opt_postfix(str);
708
709 td->sync_file_range_nr = 1;
710 if (nr) {
711 td->sync_file_range_nr = atoi(nr);
712 free(nr);
713 }
714
715 return 0;
716}
3ae06371 717#endif
44f29692 718
e25839d4
JA
719static int str_random_distribution_cb(void *data, const char *str)
720{
721 struct thread_data *td = data;
722 double val;
723 char *nr;
724
52c0cea3
JA
725 if (parse_dryrun())
726 return 0;
727
925fee33 728 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 729 val = FIO_DEF_ZIPF;
925fee33 730 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 731 val = FIO_DEF_PARETO;
56d9fa4b
JA
732 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
733 val = 0.0;
925fee33 734 else
e25839d4
JA
735 return 0;
736
737 nr = get_opt_postfix(str);
88038bc7 738 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA
739 log_err("fio: random postfix parsing failed\n");
740 free(nr);
741 return 1;
742 }
743
078189c1
JA
744 free(nr);
745
18ded917
JA
746 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
747 if (val == 1.00) {
748 log_err("fio: zipf theta must different than 1.0\n");
749 return 1;
750 }
1e5324e7 751 td->o.zipf_theta.u.f = val;
56d9fa4b 752 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA
753 if (val <= 0.00 || val >= 1.00) {
754 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
755 return 1;
756 }
1e5324e7 757 td->o.pareto_h.u.f = val;
3cdb8cf3
JA
758 } else {
759 if (val <= 0.00 || val >= 100.0) {
760 log_err("fio: normal deviation out of range (0 < input < 100.0)\n");
761 return 1;
762 }
f88cd222 763 td->o.gauss_dev.u.f = val;
3cdb8cf3 764 }
921c766f
JA
765
766 return 0;
767}
768
8e827d35 769/*
bcbfeefa 770 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA
771 * is escaped with a '\', then that ':' is part of the filename and does not
772 * indicate a new file.
773 */
bcbfeefa 774static char *get_next_name(char **ptr)
8e827d35
JA
775{
776 char *str = *ptr;
777 char *p, *start;
778
779 if (!str || !strlen(str))
780 return NULL;
781
782 start = str;
783 do {
784 /*
785 * No colon, we are done
786 */
787 p = strchr(str, ':');
788 if (!p) {
789 *ptr = NULL;
790 break;
791 }
792
793 /*
794 * We got a colon, but it's the first character. Skip and
795 * continue
796 */
797 if (p == start) {
798 str = ++start;
799 continue;
800 }
801
802 if (*(p - 1) != '\\') {
803 *p = '\0';
804 *ptr = p + 1;
805 break;
806 }
807
808 memmove(p - 1, p, strlen(p) + 1);
809 str = p;
810 } while (1);
811
812 return start;
813}
814
bcbfeefa
CE
815
816static int get_max_name_idx(char *input)
817{
818 unsigned int cur_idx;
819 char *str, *p;
820
821 p = str = strdup(input);
822 for (cur_idx = 0; ; cur_idx++)
823 if (get_next_name(&str) == NULL)
824 break;
825
826 free(p);
827 return cur_idx;
828}
829
830/*
831 * Returns the directory at the index, indexes > entires will be
832 * assigned via modulo division of the index
833 */
e13c3b50 834int set_name_idx(char *target, size_t tlen, char *input, int index)
bcbfeefa
CE
835{
836 unsigned int cur_idx;
837 int len;
838 char *fname, *str, *p;
839
840 p = str = strdup(input);
841
842 index %= get_max_name_idx(input);
843 for (cur_idx = 0; cur_idx <= index; cur_idx++)
844 fname = get_next_name(&str);
845
72a703da 846 if (client_sockaddr_str[0]) {
e13c3b50
JA
847 len = snprintf(target, tlen, "%s/%s.", fname,
848 client_sockaddr_str);
849 } else
850 len = snprintf(target, tlen, "%s/", fname);
72a703da 851
e13c3b50 852 target[tlen - 1] = '\0';
bcbfeefa
CE
853 free(p);
854
855 return len;
856}
857
214e1eca
JA
858static int str_filename_cb(void *data, const char *input)
859{
860 struct thread_data *td = data;
861 char *fname, *str, *p;
862
863 p = str = strdup(input);
864
865 strip_blank_front(&str);
866 strip_blank_end(str);
867
868 if (!td->files_index)
2dc1bbeb 869 td->o.nr_files = 0;
214e1eca 870
bcbfeefa 871 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA
872 if (!strlen(fname))
873 break;
5903e7b7 874 add_file(td, fname, 0, 1);
214e1eca
JA
875 }
876
877 free(p);
878 return 0;
879}
880
bcbfeefa 881static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA
882{
883 struct thread_data *td = data;
884 struct stat sb;
bcbfeefa
CE
885 char *dirname, *str, *p;
886 int ret = 0;
214e1eca 887
f9633d72
JA
888 if (parse_dryrun())
889 return 0;
890
bcbfeefa
CE
891 p = str = strdup(td->o.directory);
892 while ((dirname = get_next_name(&str)) != NULL) {
893 if (lstat(dirname, &sb) < 0) {
894 ret = errno;
921c766f 895
bcbfeefa
CE
896 log_err("fio: %s is not a directory\n", dirname);
897 td_verror(td, ret, "lstat");
898 goto out;
899 }
900 if (!S_ISDIR(sb.st_mode)) {
901 log_err("fio: %s is not a directory\n", dirname);
902 ret = 1;
903 goto out;
904 }
214e1eca
JA
905 }
906
bcbfeefa
CE
907out:
908 free(p);
909 return ret;
214e1eca
JA
910}
911
912static int str_opendir_cb(void *data, const char fio_unused *str)
913{
914 struct thread_data *td = data;
915
52c0cea3
JA
916 if (parse_dryrun())
917 return 0;
918
214e1eca 919 if (!td->files_index)
2dc1bbeb 920 td->o.nr_files = 0;
214e1eca 921
2dc1bbeb 922 return add_dir_files(td, td->o.opendir);
214e1eca
JA
923}
924
ce35b1ec
JA
925static int str_buffer_pattern_cb(void *data, const char *input)
926{
927 struct thread_data *td = data;
928 int ret;
929
61b9861d
RP
930 /* FIXME: for now buffer pattern does not support formats */
931 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
932 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
933 if (ret < 0)
934 return 1;
ce35b1ec 935
61b9861d
RP
936 assert(ret != 0);
937 td->o.buffer_pattern_bytes = ret;
938 if (!td->o.compress_percentage)
939 td->o.refill_buffers = 0;
940 td->o.scramble_buffers = 0;
941 td->o.zero_buffers = 0;
efcd9dcc 942
61b9861d 943 return 0;
ce35b1ec
JA
944}
945
bedc9dc2
JA
946static int str_buffer_compress_cb(void *data, unsigned long long *il)
947{
948 struct thread_data *td = data;
949
950 td->flags |= TD_F_COMPRESS;
951 td->o.compress_percentage = *il;
952 return 0;
953}
954
5c94b008
JA
955static int str_dedupe_cb(void *data, unsigned long long *il)
956{
957 struct thread_data *td = data;
958
959 td->flags |= TD_F_COMPRESS;
960 td->o.dedupe_percentage = *il;
961 td->o.refill_buffers = 1;
962 return 0;
963}
964
ce35b1ec
JA
965static int str_verify_pattern_cb(void *data, const char *input)
966{
967 struct thread_data *td = data;
968 int ret;
969
61b9861d
RP
970 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
971 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
972 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
973 td->o.verify_fmt, &td->o.verify_fmt_sz);
974 if (ret < 0)
975 return 1;
efcd9dcc 976
61b9861d
RP
977 assert(ret != 0);
978 td->o.verify_pattern_bytes = ret;
92bf48d5 979 /*
b638d82f 980 * VERIFY_* could already be set
92bf48d5 981 */
61b9861d 982 if (!fio_option_is_set(&td->o, verify))
92bf48d5 983 td->o.verify = VERIFY_PATTERN;
efcd9dcc 984
61b9861d 985 return 0;
90059d65 986}
214e1eca 987
993bf48b
JA
988static int str_gtod_reduce_cb(void *data, int *il)
989{
990 struct thread_data *td = data;
991 int val = *il;
992
02af0988 993 td->o.disable_lat = !!val;
993bf48b
JA
994 td->o.disable_clat = !!val;
995 td->o.disable_slat = !!val;
996 td->o.disable_bw = !!val;
0dc1bc03 997 td->o.clat_percentiles = !val;
993bf48b
JA
998 if (val)
999 td->tv_cache_mask = 63;
1000
1001 return 0;
1002}
1003
7bb59102
JA
1004static int str_size_cb(void *data, unsigned long long *__val)
1005{
1006 struct thread_data *td = data;
1007 unsigned long long v = *__val;
1008
1009 if (parse_is_percent(v)) {
1010 td->o.size = 0;
1011 td->o.size_percent = -1ULL - v;
1012 } else
1013 td->o.size = v;
1014
1015 return 0;
1016}
1017
896cac2a
JA
1018static int rw_verify(struct fio_option *o, void *data)
1019{
1020 struct thread_data *td = data;
1021
1022 if (read_only && td_write(td)) {
1023 log_err("fio: job <%s> has write bit set, but fio is in"
1024 " read-only mode\n", td->o.name);
1025 return 1;
1026 }
1027
1028 return 0;
1029}
1030
276ca4f7 1031static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1032{
276ca4f7 1033#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA
1034 struct thread_data *td = data;
1035
29d43ff9
JA
1036 if (td->o.gtod_cpu) {
1037 log_err("fio: platform must support CPU affinity for"
1038 "gettimeofday() offloading\n");
1039 return 1;
1040 }
1041#endif
1042
1043 return 0;
1044}
1045
214e1eca
JA
1046/*
1047 * Map of job/command line options
1048 */
9af4a244 1049struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA
1050 {
1051 .name = "description",
e8b0e958 1052 .lname = "Description of job",
214e1eca
JA
1053 .type = FIO_OPT_STR_STORE,
1054 .off1 = td_var_offset(description),
1055 .help = "Text job description",
e8b0e958 1056 .category = FIO_OPT_C_GENERAL,
0626037e 1057 .group = FIO_OPT_G_DESC,
214e1eca
JA
1058 },
1059 {
1060 .name = "name",
e8b0e958 1061 .lname = "Job name",
214e1eca
JA
1062 .type = FIO_OPT_STR_STORE,
1063 .off1 = td_var_offset(name),
1064 .help = "Name of this job",
e8b0e958 1065 .category = FIO_OPT_C_GENERAL,
0626037e 1066 .group = FIO_OPT_G_DESC,
214e1eca 1067 },
9cc8cb91
AK
1068 {
1069 .name = "wait_for",
1070 .lname = "Waitee name",
1071 .type = FIO_OPT_STR_STORE,
1072 .off1 = td_var_offset(wait_for),
1073 .help = "Name of the job this one wants to wait for before starting",
1074 .category = FIO_OPT_C_GENERAL,
1075 .group = FIO_OPT_G_DESC,
1076 },
214e1eca
JA
1077 {
1078 .name = "filename",
e8b0e958 1079 .lname = "Filename(s)",
214e1eca
JA
1080 .type = FIO_OPT_STR_STORE,
1081 .off1 = td_var_offset(filename),
1082 .cb = str_filename_cb,
f0d524b0 1083 .prio = -1, /* must come after "directory" */
214e1eca 1084 .help = "File(s) to use for the workload",
e8b0e958 1085 .category = FIO_OPT_C_FILE,
0626037e 1086 .group = FIO_OPT_G_FILENAME,
214e1eca 1087 },
90fef2d1 1088 {
e8b0e958
JA
1089 .name = "directory",
1090 .lname = "Directory",
1091 .type = FIO_OPT_STR_STORE,
1092 .off1 = td_var_offset(directory),
1093 .cb = str_directory_cb,
1094 .help = "Directory to store files in",
1095 .category = FIO_OPT_C_FILE,
0626037e 1096 .group = FIO_OPT_G_FILENAME,
90fef2d1 1097 },
de98bd30
JA
1098 {
1099 .name = "filename_format",
1100 .type = FIO_OPT_STR_STORE,
1101 .off1 = td_var_offset(filename_format),
1102 .prio = -1, /* must come after "directory" */
1103 .help = "Override default $jobname.$jobnum.$filenum naming",
1104 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA
1105 .category = FIO_OPT_C_FILE,
1106 .group = FIO_OPT_G_FILENAME,
ad705bcb 1107 },
29c1349f
JA
1108 {
1109 .name = "lockfile",
e8b0e958 1110 .lname = "Lockfile",
4d4e80f2 1111 .type = FIO_OPT_STR,
4d4e80f2 1112 .off1 = td_var_offset(file_lock_mode),
29c1349f 1113 .help = "Lock file when doing IO to it",
bc6a0a5d 1114 .prio = 1,
29c1349f 1115 .parent = "filename",
d71c154c 1116 .hide = 0,
4d4e80f2 1117 .def = "none",
e8b0e958 1118 .category = FIO_OPT_C_FILE,
0626037e 1119 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA
1120 .posval = {
1121 { .ival = "none",
1122 .oval = FILE_LOCK_NONE,
1123 .help = "No file locking",
1124 },
1125 { .ival = "exclusive",
1126 .oval = FILE_LOCK_EXCLUSIVE,
1127 .help = "Exclusive file lock",
1128 },
1129 {
1130 .ival = "readwrite",
1131 .oval = FILE_LOCK_READWRITE,
1132 .help = "Read vs write lock",
1133 },
1134 },
29c1349f 1135 },
214e1eca
JA
1136 {
1137 .name = "opendir",
e8b0e958 1138 .lname = "Open directory",
214e1eca
JA
1139 .type = FIO_OPT_STR_STORE,
1140 .off1 = td_var_offset(opendir),
1141 .cb = str_opendir_cb,
1142 .help = "Recursively add files from this directory and down",
e8b0e958 1143 .category = FIO_OPT_C_FILE,
0626037e 1144 .group = FIO_OPT_G_FILENAME,
214e1eca
JA
1145 },
1146 {
1147 .name = "rw",
e8b0e958 1148 .lname = "Read/write",
d3aad8f2 1149 .alias = "readwrite",
214e1eca 1150 .type = FIO_OPT_STR,
211097b2 1151 .cb = str_rw_cb,
214e1eca
JA
1152 .off1 = td_var_offset(td_ddir),
1153 .help = "IO direction",
1154 .def = "read",
896cac2a 1155 .verify = rw_verify,
e8b0e958 1156 .category = FIO_OPT_C_IO,
0626037e 1157 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1158 .posval = {
1159 { .ival = "read",
1160 .oval = TD_DDIR_READ,
1161 .help = "Sequential read",
1162 },
1163 { .ival = "write",
1164 .oval = TD_DDIR_WRITE,
1165 .help = "Sequential write",
1166 },
6eaf09d6
SL
1167 { .ival = "trim",
1168 .oval = TD_DDIR_TRIM,
1169 .help = "Sequential trim",
1170 },
214e1eca
JA
1171 { .ival = "randread",
1172 .oval = TD_DDIR_RANDREAD,
1173 .help = "Random read",
1174 },
1175 { .ival = "randwrite",
1176 .oval = TD_DDIR_RANDWRITE,
1177 .help = "Random write",
1178 },
6eaf09d6
SL
1179 { .ival = "randtrim",
1180 .oval = TD_DDIR_RANDTRIM,
1181 .help = "Random trim",
1182 },
214e1eca
JA
1183 { .ival = "rw",
1184 .oval = TD_DDIR_RW,
1185 .help = "Sequential read and write mix",
1186 },
10b023db
JA
1187 { .ival = "readwrite",
1188 .oval = TD_DDIR_RW,
1189 .help = "Sequential read and write mix",
1190 },
214e1eca
JA
1191 { .ival = "randrw",
1192 .oval = TD_DDIR_RANDRW,
1193 .help = "Random read and write mix"
1194 },
82a90686
JA
1195 { .ival = "trimwrite",
1196 .oval = TD_DDIR_TRIMWRITE,
1197 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1198 },
214e1eca
JA
1199 },
1200 },
38dad62d
JA
1201 {
1202 .name = "rw_sequencer",
e8b0e958 1203 .lname = "RW Sequencer",
38dad62d
JA
1204 .type = FIO_OPT_STR,
1205 .off1 = td_var_offset(rw_seq),
1206 .help = "IO offset generator modifier",
1207 .def = "sequential",
e8b0e958 1208 .category = FIO_OPT_C_IO,
0626037e 1209 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA
1210 .posval = {
1211 { .ival = "sequential",
1212 .oval = RW_SEQ_SEQ,
1213 .help = "Generate sequential offsets",
1214 },
1215 { .ival = "identical",
1216 .oval = RW_SEQ_IDENT,
1217 .help = "Generate identical offsets",
1218 },
1219 },
1220 },
1221
214e1eca
JA
1222 {
1223 .name = "ioengine",
e8b0e958 1224 .lname = "IO Engine",
214e1eca
JA
1225 .type = FIO_OPT_STR_STORE,
1226 .off1 = td_var_offset(ioengine),
1227 .help = "IO engine to use",
58483fa4 1228 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1229 .category = FIO_OPT_C_IO,
0626037e 1230 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1231 .posval = {
1232 { .ival = "sync",
1233 .help = "Use read/write",
1234 },
a31041ea 1235 { .ival = "psync",
1236 .help = "Use pread/pwrite",
1237 },
1d2af02a 1238 { .ival = "vsync",
03e20d68 1239 .help = "Use readv/writev",
1d2af02a 1240 },
07fc0acd
JA
1241#ifdef CONFIG_PWRITEV
1242 { .ival = "pvsync",
1243 .help = "Use preadv/pwritev",
1244 },
1245#endif
67bf9823 1246#ifdef CONFIG_LIBAIO
214e1eca
JA
1247 { .ival = "libaio",
1248 .help = "Linux native asynchronous IO",
1249 },
1250#endif
67bf9823 1251#ifdef CONFIG_POSIXAIO
214e1eca
JA
1252 { .ival = "posixaio",
1253 .help = "POSIX asynchronous IO",
1254 },
417f0068 1255#endif
997843cb 1256#ifdef CONFIG_SOLARISAIO
417f0068
JA
1257 { .ival = "solarisaio",
1258 .help = "Solaris native asynchronous IO",
1259 },
214e1eca 1260#endif
4700b234 1261#ifdef CONFIG_WINDOWSAIO
03e20d68 1262 { .ival = "windowsaio",
3be80071 1263 .help = "Windows native asynchronous IO"
de890a1e 1264 },
fc5c0345
DG
1265#endif
1266#ifdef CONFIG_RBD
1267 { .ival = "rbd",
1268 .help = "Rados Block Device asynchronous IO"
1269 },
3be80071 1270#endif
214e1eca 1271 { .ival = "mmap",
03e20d68 1272 .help = "Memory mapped IO"
214e1eca 1273 },
67bf9823 1274#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA
1275 { .ival = "splice",
1276 .help = "splice/vmsplice based IO",
1277 },
9cce02e8
JA
1278 { .ival = "netsplice",
1279 .help = "splice/vmsplice to/from the network",
1280 },
214e1eca
JA
1281#endif
1282#ifdef FIO_HAVE_SGIO
1283 { .ival = "sg",
1284 .help = "SCSI generic v3 IO",
1285 },
1286#endif
1287 { .ival = "null",
1288 .help = "Testing engine (no data transfer)",
1289 },
1290 { .ival = "net",
1291 .help = "Network IO",
1292 },
214e1eca 1293 { .ival = "cpuio",
03e20d68 1294 .help = "CPU cycle burner engine",
214e1eca 1295 },
67bf9823 1296#ifdef CONFIG_GUASI
b8c82a46
JA
1297 { .ival = "guasi",
1298 .help = "GUASI IO engine",
1299 },
79a43187
JA
1300#endif
1301#ifdef FIO_HAVE_BINJECT
1302 { .ival = "binject",
1303 .help = "binject direct inject block engine",
1304 },
21b8aee8 1305#endif
67bf9823 1306#ifdef CONFIG_RDMA
21b8aee8 1307 { .ival = "rdma",
1308 .help = "RDMA IO engine",
1309 },
8200b8c7 1310#endif
67bf9823 1311#ifdef CONFIG_FUSION_AW
8200b8c7
JA
1312 { .ival = "fusion-aw-sync",
1313 .help = "Fusion-io atomic write engine",
1314 },
1ecc95ca 1315#endif
997843cb 1316#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA
1317 { .ival = "e4defrag",
1318 .help = "ext4 defrag engine",
1319 },
1320#endif
997843cb 1321#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA
1322 { .ival = "falloc",
1323 .help = "fallocate() file based engine",
1324 },
b8c82a46 1325#endif
a7c386f4 1326#ifdef CONFIG_GFAPI
1327 { .ival = "gfapi",
cc47f094 1328 .help = "Glusterfs libgfapi(sync) based engine"
1329 },
1330 { .ival = "gfapi_async",
1331 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1332 },
1333#endif
1b10477b 1334#ifdef CONFIG_LIBHDFS
b74e419e 1335 { .ival = "libhdfs",
1b10477b
MM
1336 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1337 },
1338#endif
214e1eca
JA
1339 { .ival = "external",
1340 .help = "Load external engine (append name)",
1341 },
1342 },
1343 },
1344 {
1345 .name = "iodepth",
e8b0e958 1346 .lname = "IO Depth",
214e1eca
JA
1347 .type = FIO_OPT_INT,
1348 .off1 = td_var_offset(iodepth),
03e20d68 1349 .help = "Number of IO buffers to keep in flight",
757aff4f 1350 .minval = 1,
20eb06bd 1351 .interval = 1,
214e1eca 1352 .def = "1",
e8b0e958 1353 .category = FIO_OPT_C_IO,
0626037e 1354 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1355 },
1356 {
1357 .name = "iodepth_batch",
e8b0e958 1358 .lname = "IO Depth batch",
4950421a 1359 .alias = "iodepth_batch_submit",
214e1eca
JA
1360 .type = FIO_OPT_INT,
1361 .off1 = td_var_offset(iodepth_batch),
d65db441 1362 .help = "Number of IO buffers to submit in one go",
afdf9352 1363 .parent = "iodepth",
d71c154c 1364 .hide = 1,
a2e6f8ac 1365 .minval = 1,
20eb06bd 1366 .interval = 1,
a2e6f8ac 1367 .def = "1",
e8b0e958 1368 .category = FIO_OPT_C_IO,
0626037e 1369 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA
1370 },
1371 {
82407585
RP
1372 .name = "iodepth_batch_complete_min",
1373 .lname = "Min IO depth batch complete",
1374 .alias = "iodepth_batch_complete",
4950421a 1375 .type = FIO_OPT_INT,
82407585
RP
1376 .off1 = td_var_offset(iodepth_batch_complete_min),
1377 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1378 .parent = "iodepth",
d71c154c 1379 .hide = 1,
4950421a 1380 .minval = 0,
20eb06bd 1381 .interval = 1,
4950421a 1382 .def = "1",
e8b0e958 1383 .category = FIO_OPT_C_IO,
0626037e 1384 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1385 },
82407585
RP
1386 {
1387 .name = "iodepth_batch_complete_max",
1388 .lname = "Max IO depth batch complete",
1389 .type = FIO_OPT_INT,
1390 .off1 = td_var_offset(iodepth_batch_complete_max),
1391 .help = "Max number of IO buffers to retrieve in one go",
1392 .parent = "iodepth",
1393 .hide = 1,
1394 .minval = 0,
1395 .interval = 1,
1396 .category = FIO_OPT_C_IO,
1397 .group = FIO_OPT_G_IO_BASIC,
1398 },
214e1eca
JA
1399 {
1400 .name = "iodepth_low",
e8b0e958 1401 .lname = "IO Depth batch low",
214e1eca
JA
1402 .type = FIO_OPT_INT,
1403 .off1 = td_var_offset(iodepth_low),
1404 .help = "Low water mark for queuing depth",
afdf9352 1405 .parent = "iodepth",
d71c154c 1406 .hide = 1,
20eb06bd 1407 .interval = 1,
e8b0e958 1408 .category = FIO_OPT_C_IO,
0626037e 1409 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1410 },
a9da8ab2
JA
1411 {
1412 .name = "io_submit_mode",
1413 .lname = "IO submit mode",
1414 .type = FIO_OPT_STR,
1415 .off1 = td_var_offset(io_submit_mode),
1416 .help = "How IO submissions and completions are done",
1417 .def = "inline",
1418 .category = FIO_OPT_C_IO,
1419 .group = FIO_OPT_G_IO_BASIC,
1420 .posval = {
1421 { .ival = "inline",
1422 .oval = IO_MODE_INLINE,
1423 .help = "Submit and complete IO inline",
1424 },
1425 { .ival = "offload",
1426 .oval = IO_MODE_OFFLOAD,
1427 .help = "Offload submit and complete to threads",
1428 },
1429 },
1430 },
214e1eca
JA
1431 {
1432 .name = "size",
e8b0e958 1433 .lname = "Size",
214e1eca 1434 .type = FIO_OPT_STR_VAL,
7bb59102 1435 .cb = str_size_cb,
a8523a6a 1436 .off1 = td_var_offset(size),
214e1eca 1437 .help = "Total size of device or files",
20eb06bd 1438 .interval = 1024 * 1024,
e8b0e958
JA
1439 .category = FIO_OPT_C_IO,
1440 .group = FIO_OPT_G_INVALID,
214e1eca 1441 },
77731b29 1442 {
a4d3b4db
JA
1443 .name = "io_size",
1444 .alias = "io_limit",
1445 .lname = "IO Size",
77731b29
JA
1446 .type = FIO_OPT_STR_VAL,
1447 .off1 = td_var_offset(io_limit),
1448 .interval = 1024 * 1024,
1449 .category = FIO_OPT_C_IO,
1450 .group = FIO_OPT_G_INVALID,
1451 },
aa31f1f1
SL
1452 {
1453 .name = "fill_device",
e8b0e958 1454 .lname = "Fill device",
74586c1e 1455 .alias = "fill_fs",
aa31f1f1
SL
1456 .type = FIO_OPT_BOOL,
1457 .off1 = td_var_offset(fill_device),
1458 .help = "Write until an ENOSPC error occurs",
1459 .def = "0",
e8b0e958
JA
1460 .category = FIO_OPT_C_FILE,
1461 .group = FIO_OPT_G_INVALID,
aa31f1f1 1462 },
214e1eca
JA
1463 {
1464 .name = "filesize",
e8b0e958 1465 .lname = "File size",
214e1eca
JA
1466 .type = FIO_OPT_STR_VAL,
1467 .off1 = td_var_offset(file_size_low),
1468 .off2 = td_var_offset(file_size_high),
c3edbdba 1469 .minval = 1,
214e1eca 1470 .help = "Size of individual files",
20eb06bd 1471 .interval = 1024 * 1024,
e8b0e958
JA
1472 .category = FIO_OPT_C_FILE,
1473 .group = FIO_OPT_G_INVALID,
214e1eca 1474 },
bedc9dc2
JA
1475 {
1476 .name = "file_append",
1477 .lname = "File append",
1478 .type = FIO_OPT_BOOL,
1479 .off1 = td_var_offset(file_append),
1480 .help = "IO will start at the end of the file(s)",
1481 .def = "0",
1482 .category = FIO_OPT_C_FILE,
1483 .group = FIO_OPT_G_INVALID,
1484 },
67a1000f
JA
1485 {
1486 .name = "offset",
e8b0e958 1487 .lname = "IO offset",
67a1000f
JA
1488 .alias = "fileoffset",
1489 .type = FIO_OPT_STR_VAL,
1490 .off1 = td_var_offset(start_offset),
1491 .help = "Start IO from this offset",
1492 .def = "0",
20eb06bd 1493 .interval = 1024 * 1024,
e8b0e958
JA
1494 .category = FIO_OPT_C_IO,
1495 .group = FIO_OPT_G_INVALID,
67a1000f 1496 },
2d7cd868
JA
1497 {
1498 .name = "offset_increment",
e8b0e958 1499 .lname = "IO offset increment",
2d7cd868
JA
1500 .type = FIO_OPT_STR_VAL,
1501 .off1 = td_var_offset(offset_increment),
1502 .help = "What is the increment from one offset to the next",
1503 .parent = "offset",
d71c154c 1504 .hide = 1,
2d7cd868 1505 .def = "0",
20eb06bd 1506 .interval = 1024 * 1024,
e8b0e958
JA
1507 .category = FIO_OPT_C_IO,
1508 .group = FIO_OPT_G_INVALID,
2d7cd868 1509 },
ddf24e42
JA
1510 {
1511 .name = "number_ios",
1512 .lname = "Number of IOs to perform",
1513 .type = FIO_OPT_STR_VAL,
1514 .off1 = td_var_offset(number_ios),
be3fec7d 1515 .help = "Force job completion after this number of IOs",
ddf24e42
JA
1516 .def = "0",
1517 .category = FIO_OPT_C_IO,
1518 .group = FIO_OPT_G_INVALID,
1519 },
214e1eca
JA
1520 {
1521 .name = "bs",
e8b0e958 1522 .lname = "Block size",
d3aad8f2 1523 .alias = "blocksize",
e01b22b8 1524 .type = FIO_OPT_INT,
214e1eca
JA
1525 .off1 = td_var_offset(bs[DDIR_READ]),
1526 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1527 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1528 .minval = 1,
214e1eca
JA
1529 .help = "Block size unit",
1530 .def = "4k",
67a1000f 1531 .parent = "rw",
d71c154c 1532 .hide = 1,
20eb06bd 1533 .interval = 512,
e8b0e958
JA
1534 .category = FIO_OPT_C_IO,
1535 .group = FIO_OPT_G_INVALID,
214e1eca 1536 },
2b7a01d0
JA
1537 {
1538 .name = "ba",
e8b0e958 1539 .lname = "Block size align",
2b7a01d0 1540 .alias = "blockalign",
e01b22b8 1541 .type = FIO_OPT_INT,
2b7a01d0
JA
1542 .off1 = td_var_offset(ba[DDIR_READ]),
1543 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1544 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA
1545 .minval = 1,
1546 .help = "IO block offset alignment",
1547 .parent = "rw",
d71c154c 1548 .hide = 1,
20eb06bd 1549 .interval = 512,
e8b0e958
JA
1550 .category = FIO_OPT_C_IO,
1551 .group = FIO_OPT_G_INVALID,
2b7a01d0 1552 },
214e1eca
JA
1553 {
1554 .name = "bsrange",
e8b0e958 1555 .lname = "Block size range",
d3aad8f2 1556 .alias = "blocksize_range",
214e1eca
JA
1557 .type = FIO_OPT_RANGE,
1558 .off1 = td_var_offset(min_bs[DDIR_READ]),
1559 .off2 = td_var_offset(max_bs[DDIR_READ]),
1560 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1561 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL
1562 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1563 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1564 .minval = 1,
214e1eca 1565 .help = "Set block size range (in more detail than bs)",
67a1000f 1566 .parent = "rw",
d71c154c 1567 .hide = 1,
20eb06bd 1568 .interval = 4096,
e8b0e958
JA
1569 .category = FIO_OPT_C_IO,
1570 .group = FIO_OPT_G_INVALID,
214e1eca 1571 },
564ca972
JA
1572 {
1573 .name = "bssplit",
e8b0e958 1574 .lname = "Block size split",
564ca972
JA
1575 .type = FIO_OPT_STR,
1576 .cb = str_bssplit_cb,
a8523a6a 1577 .off1 = td_var_offset(bssplit),
564ca972
JA
1578 .help = "Set a specific mix of block sizes",
1579 .parent = "rw",
d71c154c 1580 .hide = 1,
e8b0e958
JA
1581 .category = FIO_OPT_C_IO,
1582 .group = FIO_OPT_G_INVALID,
564ca972 1583 },
214e1eca
JA
1584 {
1585 .name = "bs_unaligned",
e8b0e958 1586 .lname = "Block size unaligned",
d3aad8f2 1587 .alias = "blocksize_unaligned",
214e1eca
JA
1588 .type = FIO_OPT_STR_SET,
1589 .off1 = td_var_offset(bs_unaligned),
1590 .help = "Don't sector align IO buffer sizes",
67a1000f 1591 .parent = "rw",
d71c154c 1592 .hide = 1,
e8b0e958
JA
1593 .category = FIO_OPT_C_IO,
1594 .group = FIO_OPT_G_INVALID,
214e1eca 1595 },
6aca9b3d
JA
1596 {
1597 .name = "bs_is_seq_rand",
1598 .lname = "Block size division is seq/random (not read/write)",
1599 .type = FIO_OPT_BOOL,
1600 .off1 = td_var_offset(bs_is_seq_rand),
86d59660 1601 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA
1602 .def = "0",
1603 .parent = "blocksize",
1604 .category = FIO_OPT_C_IO,
1605 .group = FIO_OPT_G_INVALID,
1606 },
214e1eca
JA
1607 {
1608 .name = "randrepeat",
e8b0e958 1609 .lname = "Random repeatable",
214e1eca
JA
1610 .type = FIO_OPT_BOOL,
1611 .off1 = td_var_offset(rand_repeatable),
1612 .help = "Use repeatable random IO pattern",
1613 .def = "1",
67a1000f 1614 .parent = "rw",
d71c154c 1615 .hide = 1,
e8b0e958 1616 .category = FIO_OPT_C_IO,
3ceb458f 1617 .group = FIO_OPT_G_RANDOM,
214e1eca 1618 },
04778baf
JA
1619 {
1620 .name = "randseed",
1621 .lname = "The random generator seed",
363cffa7 1622 .type = FIO_OPT_STR_VAL,
04778baf
JA
1623 .off1 = td_var_offset(rand_seed),
1624 .help = "Set the random generator seed value",
40fe5e7b 1625 .def = "0x89",
04778baf
JA
1626 .parent = "rw",
1627 .category = FIO_OPT_C_IO,
1628 .group = FIO_OPT_G_RANDOM,
1629 },
2615cc4b
JA
1630 {
1631 .name = "use_os_rand",
e8b0e958 1632 .lname = "Use OS random",
54a21917
JA
1633 .type = FIO_OPT_DEPRECATED,
1634 .off1 = td_var_offset(dep_use_os_rand),
e8b0e958 1635 .category = FIO_OPT_C_IO,
3ceb458f 1636 .group = FIO_OPT_G_RANDOM,
2615cc4b 1637 },
214e1eca
JA
1638 {
1639 .name = "norandommap",
e8b0e958 1640 .lname = "No randommap",
214e1eca
JA
1641 .type = FIO_OPT_STR_SET,
1642 .off1 = td_var_offset(norandommap),
1643 .help = "Accept potential duplicate random blocks",
67a1000f 1644 .parent = "rw",
d71c154c 1645 .hide = 1,
b2452a43 1646 .hide_on_set = 1,
e8b0e958 1647 .category = FIO_OPT_C_IO,
3ceb458f 1648 .group = FIO_OPT_G_RANDOM,
214e1eca 1649 },
2b386d25
JA
1650 {
1651 .name = "softrandommap",
e8b0e958 1652 .lname = "Soft randommap",
2b386d25
JA
1653 .type = FIO_OPT_BOOL,
1654 .off1 = td_var_offset(softrandommap),
f66ab3c8 1655 .help = "Set norandommap if randommap allocation fails",
2b386d25 1656 .parent = "norandommap",
d71c154c 1657 .hide = 1,
2b386d25 1658 .def = "0",
e8b0e958 1659 .category = FIO_OPT_C_IO,
3ceb458f 1660 .group = FIO_OPT_G_RANDOM,
2b386d25 1661 },
8055e41d
JA
1662 {
1663 .name = "random_generator",
1664 .type = FIO_OPT_STR,
1665 .off1 = td_var_offset(random_generator),
1666 .help = "Type of random number generator to use",
1667 .def = "tausworthe",
1668 .posval = {
1669 { .ival = "tausworthe",
1670 .oval = FIO_RAND_GEN_TAUSWORTHE,
1671 .help = "Strong Tausworthe generator",
1672 },
1673 { .ival = "lfsr",
1674 .oval = FIO_RAND_GEN_LFSR,
1675 .help = "Variable length LFSR",
1676 },
c3546b53
JA
1677 {
1678 .ival = "tausworthe64",
1679 .oval = FIO_RAND_GEN_TAUSWORTHE64,
1680 .help = "64-bit Tausworthe variant",
1681 },
8055e41d 1682 },
48107598
JA
1683 .category = FIO_OPT_C_IO,
1684 .group = FIO_OPT_G_RANDOM,
8055e41d 1685 },
e25839d4
JA
1686 {
1687 .name = "random_distribution",
1688 .type = FIO_OPT_STR,
1689 .off1 = td_var_offset(random_distribution),
1690 .cb = str_random_distribution_cb,
1691 .help = "Random offset distribution generator",
1692 .def = "random",
1693 .posval = {
1694 { .ival = "random",
1695 .oval = FIO_RAND_DIST_RANDOM,
1696 .help = "Completely random",
1697 },
1698 { .ival = "zipf",
1699 .oval = FIO_RAND_DIST_ZIPF,
1700 .help = "Zipf distribution",
1701 },
925fee33
JA
1702 { .ival = "pareto",
1703 .oval = FIO_RAND_DIST_PARETO,
1704 .help = "Pareto distribution",
1705 },
56d9fa4b
JA
1706 { .ival = "normal",
1707 .oval = FIO_RAND_DIST_GAUSS,
1708 .help = "Normal (gaussian) distribution",
1709 },
e25839d4 1710 },
48107598
JA
1711 .category = FIO_OPT_C_IO,
1712 .group = FIO_OPT_G_RANDOM,
e25839d4 1713 },
211c9b89
JA
1714 {
1715 .name = "percentage_random",
1716 .lname = "Percentage Random",
1717 .type = FIO_OPT_INT,
d9472271
JA
1718 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1719 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1720 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA
1721 .maxval = 100,
1722 .help = "Percentage of seq/random mix that should be random",
d9472271 1723 .def = "100,100,100",
211c9b89
JA
1724 .interval = 5,
1725 .inverse = "percentage_sequential",
1726 .category = FIO_OPT_C_IO,
1727 .group = FIO_OPT_G_RANDOM,
1728 },
1729 {
1730 .name = "percentage_sequential",
1731 .lname = "Percentage Sequential",
d9472271 1732 .type = FIO_OPT_DEPRECATED,
211c9b89
JA
1733 .category = FIO_OPT_C_IO,
1734 .group = FIO_OPT_G_RANDOM,
1735 },
56e2a5fc
CE
1736 {
1737 .name = "allrandrepeat",
1738 .type = FIO_OPT_BOOL,
1739 .off1 = td_var_offset(allrand_repeatable),
1740 .help = "Use repeatable random numbers for everything",
1741 .def = "0",
a869d9c6
JA
1742 .category = FIO_OPT_C_IO,
1743 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1744 },
214e1eca
JA
1745 {
1746 .name = "nrfiles",
e8b0e958 1747 .lname = "Number of files",
d7c8be03 1748 .alias = "nr_files",
214e1eca
JA
1749 .type = FIO_OPT_INT,
1750 .off1 = td_var_offset(nr_files),
1751 .help = "Split job workload between this number of files",
1752 .def = "1",
20eb06bd 1753 .interval = 1,
e8b0e958
JA
1754 .category = FIO_OPT_C_FILE,
1755 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1756 },
1757 {
1758 .name = "openfiles",
e8b0e958 1759 .lname = "Number of open files",
214e1eca
JA
1760 .type = FIO_OPT_INT,
1761 .off1 = td_var_offset(open_files),
1762 .help = "Number of files to keep open at the same time",
e8b0e958
JA
1763 .category = FIO_OPT_C_FILE,
1764 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1765 },
1766 {
1767 .name = "file_service_type",
e8b0e958 1768 .lname = "File service type",
214e1eca
JA
1769 .type = FIO_OPT_STR,
1770 .cb = str_fst_cb,
1771 .off1 = td_var_offset(file_service_type),
1772 .help = "How to select which file to service next",
1773 .def = "roundrobin",
e8b0e958
JA
1774 .category = FIO_OPT_C_FILE,
1775 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1776 .posval = {
1777 { .ival = "random",
1778 .oval = FIO_FSERVICE_RANDOM,
1779 .help = "Choose a file at random",
1780 },
1781 { .ival = "roundrobin",
1782 .oval = FIO_FSERVICE_RR,
1783 .help = "Round robin select files",
1784 },
a086c257
JA
1785 { .ival = "sequential",
1786 .oval = FIO_FSERVICE_SEQ,
1787 .help = "Finish one file before moving to the next",
1788 },
214e1eca 1789 },
67a1000f 1790 .parent = "nrfiles",
d71c154c 1791 .hide = 1,
67a1000f 1792 },
97ac992c 1793#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA
1794 {
1795 .name = "fallocate",
e8b0e958 1796 .lname = "Fallocate",
a596f047
EG
1797 .type = FIO_OPT_STR,
1798 .off1 = td_var_offset(fallocate_mode),
1799 .help = "Whether pre-allocation is performed when laying out files",
1800 .def = "posix",
e8b0e958
JA
1801 .category = FIO_OPT_C_FILE,
1802 .group = FIO_OPT_G_INVALID,
a596f047
EG
1803 .posval = {
1804 { .ival = "none",
1805 .oval = FIO_FALLOCATE_NONE,
1806 .help = "Do not pre-allocate space",
1807 },
1808 { .ival = "posix",
1809 .oval = FIO_FALLOCATE_POSIX,
1810 .help = "Use posix_fallocate()",
1811 },
97ac992c 1812#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG
1813 { .ival = "keep",
1814 .oval = FIO_FALLOCATE_KEEP_SIZE,
1815 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1816 },
7bc8c2cf 1817#endif
a596f047
EG
1818 /* Compatibility with former boolean values */
1819 { .ival = "0",
1820 .oval = FIO_FALLOCATE_NONE,
1821 .help = "Alias for 'none'",
1822 },
1823 { .ival = "1",
1824 .oval = FIO_FALLOCATE_POSIX,
1825 .help = "Alias for 'posix'",
1826 },
1827 },
1828 },
97ac992c 1829#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA
1830 {
1831 .name = "fadvise_hint",
e8b0e958 1832 .lname = "Fadvise hint",
67a1000f
JA
1833 .type = FIO_OPT_BOOL,
1834 .off1 = td_var_offset(fadvise_hint),
1835 .help = "Use fadvise() to advise the kernel on IO pattern",
1836 .def = "1",
e8b0e958
JA
1837 .category = FIO_OPT_C_FILE,
1838 .group = FIO_OPT_G_INVALID,
214e1eca 1839 },
37659335
JA
1840#ifdef FIO_HAVE_STREAMID
1841 {
1842 .name = "fadvise_stream",
1843 .lname = "Fadvise stream",
1844 .type = FIO_OPT_INT,
1845 .off1 = td_var_offset(fadvise_stream),
1846 .help = "Use fadvise() to set stream ID",
1847 .category = FIO_OPT_C_FILE,
1848 .group = FIO_OPT_G_INVALID,
1849 },
1850#endif
214e1eca
JA
1851 {
1852 .name = "fsync",
e8b0e958 1853 .lname = "Fsync",
214e1eca
JA
1854 .type = FIO_OPT_INT,
1855 .off1 = td_var_offset(fsync_blocks),
1856 .help = "Issue fsync for writes every given number of blocks",
1857 .def = "0",
20eb06bd 1858 .interval = 1,
e8b0e958
JA
1859 .category = FIO_OPT_C_FILE,
1860 .group = FIO_OPT_G_INVALID,
214e1eca 1861 },
5f9099ea
JA
1862 {
1863 .name = "fdatasync",
e8b0e958 1864 .lname = "Fdatasync",
5f9099ea
JA
1865 .type = FIO_OPT_INT,
1866 .off1 = td_var_offset(fdatasync_blocks),
1867 .help = "Issue fdatasync for writes every given number of blocks",
1868 .def = "0",
20eb06bd 1869 .interval = 1,
e8b0e958
JA
1870 .category = FIO_OPT_C_FILE,
1871 .group = FIO_OPT_G_INVALID,
5f9099ea 1872 },
1ef2b6be
JA
1873 {
1874 .name = "write_barrier",
e8b0e958 1875 .lname = "Write barrier",
1ef2b6be
JA
1876 .type = FIO_OPT_INT,
1877 .off1 = td_var_offset(barrier_blocks),
1878 .help = "Make every Nth write a barrier write",
1879 .def = "0",
20eb06bd 1880 .interval = 1,
e8b0e958
JA
1881 .category = FIO_OPT_C_IO,
1882 .group = FIO_OPT_G_INVALID,
1ef2b6be 1883 },
67bf9823 1884#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
1885 {
1886 .name = "sync_file_range",
e8b0e958 1887 .lname = "Sync file range",
44f29692
JA
1888 .posval = {
1889 { .ival = "wait_before",
1890 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
1891 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 1892 .orval = 1,
44f29692
JA
1893 },
1894 { .ival = "write",
1895 .oval = SYNC_FILE_RANGE_WRITE,
1896 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 1897 .orval = 1,
44f29692
JA
1898 },
1899 {
1900 .ival = "wait_after",
1901 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
1902 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 1903 .orval = 1,
44f29692
JA
1904 },
1905 },
3843deb3 1906 .type = FIO_OPT_STR_MULTI,
44f29692
JA
1907 .cb = str_sfr_cb,
1908 .off1 = td_var_offset(sync_file_range),
1909 .help = "Use sync_file_range()",
e8b0e958
JA
1910 .category = FIO_OPT_C_FILE,
1911 .group = FIO_OPT_G_INVALID,
44f29692
JA
1912 },
1913#endif
214e1eca
JA
1914 {
1915 .name = "direct",
e8b0e958 1916 .lname = "Direct I/O",
214e1eca
JA
1917 .type = FIO_OPT_BOOL,
1918 .off1 = td_var_offset(odirect),
1919 .help = "Use O_DIRECT IO (negates buffered)",
1920 .def = "0",
a01a1bc5 1921 .inverse = "buffered",
e8b0e958 1922 .category = FIO_OPT_C_IO,
3ceb458f 1923 .group = FIO_OPT_G_IO_TYPE,
214e1eca 1924 },
d01612f3
CM
1925 {
1926 .name = "atomic",
1927 .lname = "Atomic I/O",
1928 .type = FIO_OPT_BOOL,
1929 .off1 = td_var_offset(oatomic),
1930 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
1931 .def = "0",
1932 .category = FIO_OPT_C_IO,
1933 .group = FIO_OPT_G_IO_TYPE,
1934 },
214e1eca
JA
1935 {
1936 .name = "buffered",
e8b0e958 1937 .lname = "Buffered I/O",
214e1eca
JA
1938 .type = FIO_OPT_BOOL,
1939 .off1 = td_var_offset(odirect),
1940 .neg = 1,
1941 .help = "Use buffered IO (negates direct)",
1942 .def = "1",
a01a1bc5 1943 .inverse = "direct",
e8b0e958 1944 .category = FIO_OPT_C_IO,
3ceb458f 1945 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
1946 },
1947 {
1948 .name = "overwrite",
e8b0e958 1949 .lname = "Overwrite",
214e1eca
JA
1950 .type = FIO_OPT_BOOL,
1951 .off1 = td_var_offset(overwrite),
1952 .help = "When writing, set whether to overwrite current data",
1953 .def = "0",
e8b0e958
JA
1954 .category = FIO_OPT_C_FILE,
1955 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1956 },
1957 {
1958 .name = "loops",
e8b0e958 1959 .lname = "Loops",
214e1eca
JA
1960 .type = FIO_OPT_INT,
1961 .off1 = td_var_offset(loops),
1962 .help = "Number of times to run the job",
1963 .def = "1",
20eb06bd 1964 .interval = 1,
e8b0e958 1965 .category = FIO_OPT_C_GENERAL,
a1f6afec 1966 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
1967 },
1968 {
1969 .name = "numjobs",
e8b0e958 1970 .lname = "Number of jobs",
214e1eca
JA
1971 .type = FIO_OPT_INT,
1972 .off1 = td_var_offset(numjobs),
1973 .help = "Duplicate this job this many times",
1974 .def = "1",
20eb06bd 1975 .interval = 1,
e8b0e958 1976 .category = FIO_OPT_C_GENERAL,
a1f6afec 1977 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
1978 },
1979 {
1980 .name = "startdelay",
e8b0e958 1981 .lname = "Start delay",
a5737c93 1982 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 1983 .off1 = td_var_offset(start_delay),
23ed19b0 1984 .off2 = td_var_offset(start_delay_high),
214e1eca
JA
1985 .help = "Only start job when this period has passed",
1986 .def = "0",
0de5b26f 1987 .is_seconds = 1,
88038bc7 1988 .is_time = 1,
e8b0e958 1989 .category = FIO_OPT_C_GENERAL,
a1f6afec 1990 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
1991 },
1992 {
1993 .name = "runtime",
e8b0e958 1994 .lname = "Runtime",
214e1eca
JA
1995 .alias = "timeout",
1996 .type = FIO_OPT_STR_VAL_TIME,
1997 .off1 = td_var_offset(timeout),
1998 .help = "Stop workload when this amount of time has passed",
1999 .def = "0",
0de5b26f 2000 .is_seconds = 1,
88038bc7 2001 .is_time = 1,
e8b0e958 2002 .category = FIO_OPT_C_GENERAL,
a1f6afec 2003 .group = FIO_OPT_G_RUNTIME,
214e1eca 2004 },
cf4464ca
JA
2005 {
2006 .name = "time_based",
e8b0e958 2007 .lname = "Time based",
cf4464ca
JA
2008 .type = FIO_OPT_STR_SET,
2009 .off1 = td_var_offset(time_based),
2010 .help = "Keep running until runtime/timeout is met",
e8b0e958 2011 .category = FIO_OPT_C_GENERAL,
a1f6afec 2012 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2013 },
62167762
JC
2014 {
2015 .name = "verify_only",
2016 .lname = "Verify only",
2017 .type = FIO_OPT_STR_SET,
2018 .off1 = td_var_offset(verify_only),
2019 .help = "Verifies previously written data is still valid",
2020 .category = FIO_OPT_C_GENERAL,
2021 .group = FIO_OPT_G_RUNTIME,
2022 },
721938ae
JA
2023 {
2024 .name = "ramp_time",
e8b0e958 2025 .lname = "Ramp time",
721938ae
JA
2026 .type = FIO_OPT_STR_VAL_TIME,
2027 .off1 = td_var_offset(ramp_time),
2028 .help = "Ramp up time before measuring performance",
0de5b26f 2029 .is_seconds = 1,
88038bc7 2030 .is_time = 1,
e8b0e958 2031 .category = FIO_OPT_C_GENERAL,
a1f6afec 2032 .group = FIO_OPT_G_RUNTIME,
721938ae 2033 },
c223da83
JA
2034 {
2035 .name = "clocksource",
e8b0e958 2036 .lname = "Clock source",
c223da83
JA
2037 .type = FIO_OPT_STR,
2038 .cb = fio_clock_source_cb,
2039 .off1 = td_var_offset(clocksource),
2040 .help = "What type of timing source to use",
e8b0e958 2041 .category = FIO_OPT_C_GENERAL,
10860056 2042 .group = FIO_OPT_G_CLOCK,
c223da83 2043 .posval = {
67bf9823 2044#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA
2045 { .ival = "gettimeofday",
2046 .oval = CS_GTOD,
2047 .help = "Use gettimeofday(2) for timing",
2048 },
67bf9823
JA
2049#endif
2050#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA
2051 { .ival = "clock_gettime",
2052 .oval = CS_CGETTIME,
2053 .help = "Use clock_gettime(2) for timing",
2054 },
67bf9823 2055#endif
c223da83
JA
2056#ifdef ARCH_HAVE_CPU_CLOCK
2057 { .ival = "cpu",
2058 .oval = CS_CPUCLOCK,
2059 .help = "Use CPU private clock",
2060 },
2061#endif
2062 },
2063 },
214e1eca
JA
2064 {
2065 .name = "mem",
d3aad8f2 2066 .alias = "iomem",
e8b0e958 2067 .lname = "I/O Memory",
214e1eca
JA
2068 .type = FIO_OPT_STR,
2069 .cb = str_mem_cb,
2070 .off1 = td_var_offset(mem_type),
2071 .help = "Backing type for IO buffers",
2072 .def = "malloc",
e8b0e958
JA
2073 .category = FIO_OPT_C_IO,
2074 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2075 .posval = {
2076 { .ival = "malloc",
2077 .oval = MEM_MALLOC,
2078 .help = "Use malloc(3) for IO buffers",
2079 },
c8931876 2080#ifndef CONFIG_NO_SHM
37c8cdfe
JA
2081 { .ival = "shm",
2082 .oval = MEM_SHM,
2083 .help = "Use shared memory segments for IO buffers",
2084 },
214e1eca
JA
2085#ifdef FIO_HAVE_HUGETLB
2086 { .ival = "shmhuge",
2087 .oval = MEM_SHMHUGE,
2088 .help = "Like shm, but use huge pages",
2089 },
c8931876 2090#endif
b370e46a 2091#endif
37c8cdfe
JA
2092 { .ival = "mmap",
2093 .oval = MEM_MMAP,
2094 .help = "Use mmap(2) (file or anon) for IO buffers",
2095 },
217b0f1d
LG
2096 { .ival = "mmapshared",
2097 .oval = MEM_MMAPSHARED,
2098 .help = "Like mmap, but use the shared flag",
2099 },
214e1eca
JA
2100#ifdef FIO_HAVE_HUGETLB
2101 { .ival = "mmaphuge",
2102 .oval = MEM_MMAPHUGE,
2103 .help = "Like mmap, but use huge pages",
2104 },
2105#endif
2106 },
2107 },
d529ee19
JA
2108 {
2109 .name = "iomem_align",
2110 .alias = "mem_align",
e8b0e958 2111 .lname = "I/O memory alignment",
d529ee19
JA
2112 .type = FIO_OPT_INT,
2113 .off1 = td_var_offset(mem_align),
2114 .minval = 0,
2115 .help = "IO memory buffer offset alignment",
2116 .def = "0",
2117 .parent = "iomem",
d71c154c 2118 .hide = 1,
e8b0e958
JA
2119 .category = FIO_OPT_C_IO,
2120 .group = FIO_OPT_G_INVALID,
d529ee19 2121 },
214e1eca
JA
2122 {
2123 .name = "verify",
e8b0e958 2124 .lname = "Verify",
214e1eca
JA
2125 .type = FIO_OPT_STR,
2126 .off1 = td_var_offset(verify),
2127 .help = "Verify data written",
2128 .def = "0",
e8b0e958 2129 .category = FIO_OPT_C_IO,
3ceb458f 2130 .group = FIO_OPT_G_VERIFY,
214e1eca
JA
2131 .posval = {
2132 { .ival = "0",
2133 .oval = VERIFY_NONE,
2134 .help = "Don't do IO verification",
2135 },
fcca4b58
JA
2136 { .ival = "md5",
2137 .oval = VERIFY_MD5,
2138 .help = "Use md5 checksums for verification",
2139 },
d77a7af3
JA
2140 { .ival = "crc64",
2141 .oval = VERIFY_CRC64,
2142 .help = "Use crc64 checksums for verification",
2143 },
214e1eca
JA
2144 { .ival = "crc32",
2145 .oval = VERIFY_CRC32,
2146 .help = "Use crc32 checksums for verification",
2147 },
af497e6a 2148 { .ival = "crc32c-intel",
e3aaafc4
JA
2149 .oval = VERIFY_CRC32C,
2150 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2151 },
bac39e0e
JA
2152 { .ival = "crc32c",
2153 .oval = VERIFY_CRC32C,
e3aaafc4 2154 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2155 },
969f7ed3
JA
2156 { .ival = "crc16",
2157 .oval = VERIFY_CRC16,
2158 .help = "Use crc16 checksums for verification",
2159 },
1e154bdb
JA
2160 { .ival = "crc7",
2161 .oval = VERIFY_CRC7,
2162 .help = "Use crc7 checksums for verification",
2163 },
7c353ceb
JA
2164 { .ival = "sha1",
2165 .oval = VERIFY_SHA1,
2166 .help = "Use sha1 checksums for verification",
2167 },
cd14cc10
JA
2168 { .ival = "sha256",
2169 .oval = VERIFY_SHA256,
2170 .help = "Use sha256 checksums for verification",
2171 },
2172 { .ival = "sha512",
2173 .oval = VERIFY_SHA512,
2174 .help = "Use sha512 checksums for verification",
2175 },
844ea602
JA
2176 { .ival = "xxhash",
2177 .oval = VERIFY_XXHASH,
2178 .help = "Use xxhash checksums for verification",
2179 },
b638d82f
RP
2180 /* Meta information was included into verify_header,
2181 * 'meta' verification is implied by default. */
7437ee87 2182 { .ival = "meta",
b638d82f
RP
2183 .oval = VERIFY_HDR_ONLY,
2184 .help = "Use io information for verification. "
2185 "Now is implied by default, thus option is obsolete, "
2186 "don't use it",
7437ee87 2187 },
59245381
JA
2188 { .ival = "pattern",
2189 .oval = VERIFY_PATTERN_NO_HDR,
2190 .help = "Verify strict pattern",
2191 },
36690c9b
JA
2192 {
2193 .ival = "null",
2194 .oval = VERIFY_NULL,
2195 .help = "Pretend to verify",
2196 },
214e1eca
JA
2197 },
2198 },
005c565a
JA
2199 {
2200 .name = "do_verify",
e8b0e958 2201 .lname = "Perform verify step",
68e1f29a 2202 .type = FIO_OPT_BOOL,
005c565a
JA
2203 .off1 = td_var_offset(do_verify),
2204 .help = "Run verification stage after write",
2205 .def = "1",
2206 .parent = "verify",
d71c154c 2207 .hide = 1,
e8b0e958
JA
2208 .category = FIO_OPT_C_IO,
2209 .group = FIO_OPT_G_VERIFY,
005c565a 2210 },
160b966d
JA
2211 {
2212 .name = "verifysort",
e8b0e958 2213 .lname = "Verify sort",
160b966d
JA
2214 .type = FIO_OPT_BOOL,
2215 .off1 = td_var_offset(verifysort),
2216 .help = "Sort written verify blocks for read back",
2217 .def = "1",
c83f2df1 2218 .parent = "verify",
d71c154c 2219 .hide = 1,
e8b0e958
JA
2220 .category = FIO_OPT_C_IO,
2221 .group = FIO_OPT_G_VERIFY,
160b966d 2222 },
1ae83d45
JA
2223 {
2224 .name = "verifysort_nr",
2225 .type = FIO_OPT_INT,
2226 .off1 = td_var_offset(verifysort_nr),
2227 .help = "Pre-load and sort verify blocks for a read workload",
2228 .minval = 0,
2229 .maxval = 131072,
2230 .def = "1024",
2231 .parent = "verify",
836fcc0f
JA
2232 .category = FIO_OPT_C_IO,
2233 .group = FIO_OPT_G_VERIFY,
1ae83d45 2234 },
3f9f4e26 2235 {
a59e170d 2236 .name = "verify_interval",
e8b0e958 2237 .lname = "Verify interval",
e01b22b8 2238 .type = FIO_OPT_INT,
a59e170d 2239 .off1 = td_var_offset(verify_interval),
819a9680 2240 .minval = 2 * sizeof(struct verify_header),
a59e170d 2241 .help = "Store verify buffer header every N bytes",
afdf9352 2242 .parent = "verify",
d71c154c 2243 .hide = 1,
20eb06bd 2244 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA
2245 .category = FIO_OPT_C_IO,
2246 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2247 },
546a9142 2248 {
a59e170d 2249 .name = "verify_offset",
e8b0e958 2250 .lname = "Verify offset",
e01b22b8 2251 .type = FIO_OPT_INT,
a59e170d 2252 .help = "Offset verify header location by N bytes",
203160d5
JA
2253 .off1 = td_var_offset(verify_offset),
2254 .minval = sizeof(struct verify_header),
afdf9352 2255 .parent = "verify",
d71c154c 2256 .hide = 1,
e8b0e958
JA
2257 .category = FIO_OPT_C_IO,
2258 .group = FIO_OPT_G_VERIFY,
546a9142 2259 },
e28218f3
SL
2260 {
2261 .name = "verify_pattern",
e8b0e958 2262 .lname = "Verify pattern",
0e92f873 2263 .type = FIO_OPT_STR,
e28218f3 2264 .cb = str_verify_pattern_cb,
a8523a6a 2265 .off1 = td_var_offset(verify_pattern),
e28218f3
SL
2266 .help = "Fill pattern for IO buffers",
2267 .parent = "verify",
d71c154c 2268 .hide = 1,
e8b0e958
JA
2269 .category = FIO_OPT_C_IO,
2270 .group = FIO_OPT_G_VERIFY,
e28218f3 2271 },
a12a3b4d
JA
2272 {
2273 .name = "verify_fatal",
e8b0e958 2274 .lname = "Verify fatal",
68e1f29a 2275 .type = FIO_OPT_BOOL,
a12a3b4d
JA
2276 .off1 = td_var_offset(verify_fatal),
2277 .def = "0",
2278 .help = "Exit on a single verify failure, don't continue",
2279 .parent = "verify",
d71c154c 2280 .hide = 1,
e8b0e958
JA
2281 .category = FIO_OPT_C_IO,
2282 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2283 },
b463e936
JA
2284 {
2285 .name = "verify_dump",
e8b0e958 2286 .lname = "Verify dump",
b463e936
JA
2287 .type = FIO_OPT_BOOL,
2288 .off1 = td_var_offset(verify_dump),
ef71e317 2289 .def = "0",
b463e936
JA
2290 .help = "Dump contents of good and bad blocks on failure",
2291 .parent = "verify",
d71c154c 2292 .hide = 1,
e8b0e958
JA
2293 .category = FIO_OPT_C_IO,
2294 .group = FIO_OPT_G_VERIFY,
b463e936 2295 },
e8462bd8
JA
2296 {
2297 .name = "verify_async",
e8b0e958 2298 .lname = "Verify asynchronously",
e8462bd8
JA
2299 .type = FIO_OPT_INT,
2300 .off1 = td_var_offset(verify_async),
2301 .def = "0",
2302 .help = "Number of async verifier threads to use",
2303 .parent = "verify",
d71c154c 2304 .hide = 1,
e8b0e958
JA
2305 .category = FIO_OPT_C_IO,
2306 .group = FIO_OPT_G_VERIFY,
e8462bd8 2307 },
9e144189
JA
2308 {
2309 .name = "verify_backlog",
e8b0e958 2310 .lname = "Verify backlog",
9e144189
JA
2311 .type = FIO_OPT_STR_VAL,
2312 .off1 = td_var_offset(verify_backlog),
2313 .help = "Verify after this number of blocks are written",
2314 .parent = "verify",
d71c154c 2315 .hide = 1,
e8b0e958
JA
2316 .category = FIO_OPT_C_IO,
2317 .group = FIO_OPT_G_VERIFY,
9e144189
JA
2318 },
2319 {
2320 .name = "verify_backlog_batch",
e8b0e958 2321 .lname = "Verify backlog batch",
9e144189
JA
2322 .type = FIO_OPT_INT,
2323 .off1 = td_var_offset(verify_batch),
2324 .help = "Verify this number of IO blocks",
0d29de83 2325 .parent = "verify",
d71c154c 2326 .hide = 1,
e8b0e958
JA
2327 .category = FIO_OPT_C_IO,
2328 .group = FIO_OPT_G_VERIFY,
9e144189 2329 },
e8462bd8
JA
2330#ifdef FIO_HAVE_CPU_AFFINITY
2331 {
2332 .name = "verify_async_cpus",
e8b0e958 2333 .lname = "Async verify CPUs",
e8462bd8
JA
2334 .type = FIO_OPT_STR,
2335 .cb = str_verify_cpus_allowed_cb,
a8523a6a 2336 .off1 = td_var_offset(verify_cpumask),
e8462bd8
JA
2337 .help = "Set CPUs allowed for async verify threads",
2338 .parent = "verify_async",
d71c154c 2339 .hide = 1,
e8b0e958
JA
2340 .category = FIO_OPT_C_IO,
2341 .group = FIO_OPT_G_VERIFY,
e8462bd8 2342 },
0d29de83 2343#endif
51aa2da8
JA
2344 {
2345 .name = "experimental_verify",
2346 .off1 = td_var_offset(experimental_verify),
2347 .type = FIO_OPT_BOOL,
b31eaac9 2348 .help = "Enable experimental verification",
ca09be4b
JA
2349 .parent = "verify",
2350 .category = FIO_OPT_C_IO,
2351 .group = FIO_OPT_G_VERIFY,
2352 },
2353 {
2354 .name = "verify_state_load",
2355 .lname = "Load verify state",
2356 .off1 = td_var_offset(verify_state),
2357 .type = FIO_OPT_BOOL,
2358 .help = "Load verify termination state",
2359 .parent = "verify",
2360 .category = FIO_OPT_C_IO,
2361 .group = FIO_OPT_G_VERIFY,
2362 },
2363 {
2364 .name = "verify_state_save",
2365 .lname = "Save verify state",
2366 .off1 = td_var_offset(verify_state_save),
2367 .type = FIO_OPT_BOOL,
2368 .def = "1",
2369 .help = "Save verify state on termination",
2370 .parent = "verify",
836fcc0f
JA
2371 .category = FIO_OPT_C_IO,
2372 .group = FIO_OPT_G_VERIFY,
51aa2da8 2373 },
0d29de83
JA
2374#ifdef FIO_HAVE_TRIM
2375 {
2376 .name = "trim_percentage",
e8b0e958 2377 .lname = "Trim percentage",
0d29de83 2378 .type = FIO_OPT_INT,
203160d5 2379 .off1 = td_var_offset(trim_percentage),
20eb06bd 2380 .minval = 0,
0d29de83
JA
2381 .maxval = 100,
2382 .help = "Number of verify blocks to discard/trim",
2383 .parent = "verify",
2384 .def = "0",
20eb06bd 2385 .interval = 1,
d71c154c 2386 .hide = 1,
e8b0e958
JA
2387 .category = FIO_OPT_C_IO,
2388 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2389 },
2390 {
2391 .name = "trim_verify_zero",
e8b0e958 2392 .lname = "Verify trim zero",
20eb06bd 2393 .type = FIO_OPT_BOOL,
0d29de83
JA
2394 .help = "Verify that trim/discarded blocks are returned as zeroes",
2395 .off1 = td_var_offset(trim_zero),
2396 .parent = "trim_percentage",
d71c154c 2397 .hide = 1,
0d29de83 2398 .def = "1",
e8b0e958
JA
2399 .category = FIO_OPT_C_IO,
2400 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2401 },
2402 {
2403 .name = "trim_backlog",
e8b0e958 2404 .lname = "Trim backlog",
0d29de83
JA
2405 .type = FIO_OPT_STR_VAL,
2406 .off1 = td_var_offset(trim_backlog),
2407 .help = "Trim after this number of blocks are written",
2408 .parent = "trim_percentage",
d71c154c 2409 .hide = 1,
20eb06bd 2410 .interval = 1,
e8b0e958
JA
2411 .category = FIO_OPT_C_IO,
2412 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2413 },
2414 {
2415 .name = "trim_backlog_batch",
e8b0e958 2416 .lname = "Trim backlog batch",
0d29de83
JA
2417 .type = FIO_OPT_INT,
2418 .off1 = td_var_offset(trim_batch),
2419 .help = "Trim this number of IO blocks",
2420 .parent = "trim_percentage",
d71c154c 2421 .hide = 1,
20eb06bd 2422 .interval = 1,
e8b0e958
JA
2423 .category = FIO_OPT_C_IO,
2424 .group = FIO_OPT_G_TRIM,
0d29de83 2425 },
e8462bd8 2426#endif
214e1eca
JA
2427 {
2428 .name = "write_iolog",
e8b0e958 2429 .lname = "Write I/O log",
214e1eca
JA
2430 .type = FIO_OPT_STR_STORE,
2431 .off1 = td_var_offset(write_iolog_file),
2432 .help = "Store IO pattern to file",
e8b0e958
JA
2433 .category = FIO_OPT_C_IO,
2434 .group = FIO_OPT_G_IOLOG,
214e1eca
JA
2435 },
2436 {
2437 .name = "read_iolog",
e8b0e958 2438 .lname = "Read I/O log",
214e1eca
JA
2439 .type = FIO_OPT_STR_STORE,
2440 .off1 = td_var_offset(read_iolog_file),
2441 .help = "Playback IO pattern from file",
e8b0e958
JA
2442 .category = FIO_OPT_C_IO,
2443 .group = FIO_OPT_G_IOLOG,
214e1eca 2444 },
64bbb865
DN
2445 {
2446 .name = "replay_no_stall",
e8b0e958 2447 .lname = "Don't stall on replay",
20eb06bd 2448 .type = FIO_OPT_BOOL,
64bbb865
DN
2449 .off1 = td_var_offset(no_stall),
2450 .def = "0",
87e7a972 2451 .parent = "read_iolog",
d71c154c 2452 .hide = 1,
64bbb865 2453 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA
2454 .category = FIO_OPT_C_IO,
2455 .group = FIO_OPT_G_IOLOG,
64bbb865 2456 },
d1c46c04
DN
2457 {
2458 .name = "replay_redirect",
e8b0e958 2459 .lname = "Redirect device for replay",
d1c46c04
DN
2460 .type = FIO_OPT_STR_STORE,
2461 .off1 = td_var_offset(replay_redirect),
2462 .parent = "read_iolog",
d71c154c 2463 .hide = 1,
d1c46c04 2464 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA
2465 .category = FIO_OPT_C_IO,
2466 .group = FIO_OPT_G_IOLOG,
d1c46c04 2467 },
0c63576e
JA
2468 {
2469 .name = "replay_scale",
2470 .lname = "Replace offset scale factor",
2471 .type = FIO_OPT_INT,
2472 .off1 = td_var_offset(replay_scale),
2473 .parent = "read_iolog",
2474 .def = "1",
2475 .help = "Align offsets to this blocksize",
2476 .category = FIO_OPT_C_IO,
2477 .group = FIO_OPT_G_IOLOG,
2478 },
2479 {
2480 .name = "replay_align",
2481 .lname = "Replace alignment",
2482 .type = FIO_OPT_INT,
2483 .off1 = td_var_offset(replay_align),
2484 .parent = "read_iolog",
2485 .help = "Scale offset down by this factor",
2486 .category = FIO_OPT_C_IO,
2487 .group = FIO_OPT_G_IOLOG,
2488 .pow2 = 1,
2489 },
214e1eca
JA
2490 {
2491 .name = "exec_prerun",
e8b0e958 2492 .lname = "Pre-execute runnable",
214e1eca
JA
2493 .type = FIO_OPT_STR_STORE,
2494 .off1 = td_var_offset(exec_prerun),
2495 .help = "Execute this file prior to running job",
e8b0e958
JA
2496 .category = FIO_OPT_C_GENERAL,
2497 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2498 },
2499 {
2500 .name = "exec_postrun",
e8b0e958 2501 .lname = "Post-execute runnable",
214e1eca
JA
2502 .type = FIO_OPT_STR_STORE,
2503 .off1 = td_var_offset(exec_postrun),
2504 .help = "Execute this file after running job",
e8b0e958
JA
2505 .category = FIO_OPT_C_GENERAL,
2506 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2507 },
2508#ifdef FIO_HAVE_IOSCHED_SWITCH
2509 {
2510 .name = "ioscheduler",
e8b0e958 2511 .lname = "I/O scheduler",
214e1eca
JA
2512 .type = FIO_OPT_STR_STORE,
2513 .off1 = td_var_offset(ioscheduler),
2514 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA
2515 .category = FIO_OPT_C_FILE,
2516 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2517 },
2518#endif
2519 {
2520 .name = "zonesize",
e8b0e958 2521 .lname = "Zone size",
214e1eca
JA
2522 .type = FIO_OPT_STR_VAL,
2523 .off1 = td_var_offset(zone_size),
ed335855
SN
2524 .help = "Amount of data to read per zone",
2525 .def = "0",
20eb06bd 2526 .interval = 1024 * 1024,
e8b0e958
JA
2527 .category = FIO_OPT_C_IO,
2528 .group = FIO_OPT_G_ZONE,
ed335855
SN
2529 },
2530 {
2531 .name = "zonerange",
e8b0e958 2532 .lname = "Zone range",
ed335855
SN
2533 .type = FIO_OPT_STR_VAL,
2534 .off1 = td_var_offset(zone_range),
214e1eca
JA
2535 .help = "Give size of an IO zone",
2536 .def = "0",
20eb06bd 2537 .interval = 1024 * 1024,
e8b0e958
JA
2538 .category = FIO_OPT_C_IO,
2539 .group = FIO_OPT_G_ZONE,
214e1eca
JA
2540 },
2541 {
2542 .name = "zoneskip",
e8b0e958 2543 .lname = "Zone skip",
214e1eca
JA
2544 .type = FIO_OPT_STR_VAL,
2545 .off1 = td_var_offset(zone_skip),
2546 .help = "Space between IO zones",
2547 .def = "0",
20eb06bd 2548 .interval = 1024 * 1024,
e8b0e958
JA
2549 .category = FIO_OPT_C_IO,
2550 .group = FIO_OPT_G_ZONE,
214e1eca
JA
2551 },
2552 {
2553 .name = "lockmem",
e8b0e958 2554 .lname = "Lock memory",
214e1eca 2555 .type = FIO_OPT_STR_VAL,
1b79a070 2556 .off1 = td_var_offset(lockmem),
81c6b6cd 2557 .help = "Lock down this amount of memory (per worker)",
214e1eca 2558 .def = "0",
20eb06bd 2559 .interval = 1024 * 1024,
e8b0e958
JA
2560 .category = FIO_OPT_C_GENERAL,
2561 .group = FIO_OPT_G_INVALID,
214e1eca 2562 },
214e1eca
JA
2563 {
2564 .name = "rwmixread",
e8b0e958 2565 .lname = "Read/write mix read",
214e1eca 2566 .type = FIO_OPT_INT,
cb499fc4 2567 .cb = str_rwmix_read_cb,
a8523a6a 2568 .off1 = td_var_offset(rwmix[DDIR_READ]),
214e1eca
JA
2569 .maxval = 100,
2570 .help = "Percentage of mixed workload that is reads",
2571 .def = "50",
20eb06bd 2572 .interval = 5,
90265353 2573 .inverse = "rwmixwrite",
e8b0e958
JA
2574 .category = FIO_OPT_C_IO,
2575 .group = FIO_OPT_G_RWMIX,
214e1eca
JA
2576 },
2577 {
2578 .name = "rwmixwrite",
e8b0e958 2579 .lname = "Read/write mix write",
214e1eca 2580 .type = FIO_OPT_INT,
cb499fc4 2581 .cb = str_rwmix_write_cb,
a8523a6a 2582 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
214e1eca
JA
2583 .maxval = 100,
2584 .help = "Percentage of mixed workload that is writes",
2585 .def = "50",
20eb06bd 2586 .interval = 5,
90265353 2587 .inverse = "rwmixread",
e8b0e958
JA
2588 .category = FIO_OPT_C_IO,
2589 .group = FIO_OPT_G_RWMIX,
214e1eca 2590 },
afdf9352
JA
2591 {
2592 .name = "rwmixcycle",
e8b0e958 2593 .lname = "Read/write mix cycle",
15ca150e 2594 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA
2595 .category = FIO_OPT_C_IO,
2596 .group = FIO_OPT_G_RWMIX,
afdf9352 2597 },
214e1eca
JA
2598 {
2599 .name = "nice",
e8b0e958 2600 .lname = "Nice",
214e1eca
JA
2601 .type = FIO_OPT_INT,
2602 .off1 = td_var_offset(nice),
2603 .help = "Set job CPU nice value",
2604 .minval = -19,
2605 .maxval = 20,
2606 .def = "0",
20eb06bd 2607 .interval = 1,
e8b0e958 2608 .category = FIO_OPT_C_GENERAL,
10860056 2609 .group = FIO_OPT_G_CRED,
214e1eca
JA
2610 },
2611#ifdef FIO_HAVE_IOPRIO
2612 {
2613 .name = "prio",
e8b0e958 2614 .lname = "I/O nice priority",
214e1eca 2615 .type = FIO_OPT_INT,
28727df7 2616 .off1 = td_var_offset(ioprio),
214e1eca
JA
2617 .help = "Set job IO priority value",
2618 .minval = 0,
2619 .maxval = 7,
20eb06bd 2620 .interval = 1,
e8b0e958 2621 .category = FIO_OPT_C_GENERAL,
10860056 2622 .group = FIO_OPT_G_CRED,
214e1eca
JA
2623 },
2624 {
2625 .name = "prioclass",
e8b0e958 2626 .lname = "I/O nice priority class",
214e1eca 2627 .type = FIO_OPT_INT,
28727df7 2628 .off1 = td_var_offset(ioprio_class),
214e1eca
JA
2629 .help = "Set job IO priority class",
2630 .minval = 0,
2631 .maxval = 3,
20eb06bd 2632 .interval = 1,
e8b0e958 2633 .category = FIO_OPT_C_GENERAL,
10860056 2634 .group = FIO_OPT_G_CRED,
214e1eca
JA
2635 },
2636#endif
2637 {
2638 .name = "thinktime",
e8b0e958 2639 .lname = "Thinktime",
214e1eca
JA
2640 .type = FIO_OPT_INT,
2641 .off1 = td_var_offset(thinktime),
2642 .help = "Idle time between IO buffers (usec)",
2643 .def = "0",
88038bc7 2644 .is_time = 1,
e8b0e958 2645 .category = FIO_OPT_C_IO,
3ceb458f 2646 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
2647 },
2648 {
2649 .name = "thinktime_spin",
e8b0e958 2650 .lname = "Thinktime spin",
214e1eca
JA
2651 .type = FIO_OPT_INT,
2652 .off1 = td_var_offset(thinktime_spin),
2653 .help = "Start think time by spinning this amount (usec)",
2654 .def = "0",
88038bc7 2655 .is_time = 1,
afdf9352 2656 .parent = "thinktime",
d71c154c 2657 .hide = 1,
e8b0e958 2658 .category = FIO_OPT_C_IO,
3ceb458f 2659 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
2660 },
2661 {
2662 .name = "thinktime_blocks",
e8b0e958 2663 .lname = "Thinktime blocks",
214e1eca
JA
2664 .type = FIO_OPT_INT,
2665 .off1 = td_var_offset(thinktime_blocks),
2666 .help = "IO buffer period between 'thinktime'",
2667 .def = "1",
afdf9352 2668 .parent = "thinktime",
d71c154c 2669 .hide = 1,
e8b0e958 2670 .category = FIO_OPT_C_IO,
3ceb458f 2671 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
2672 },
2673 {
2674 .name = "rate",
e8b0e958 2675 .lname = "I/O rate",
e01b22b8 2676 .type = FIO_OPT_INT,
6eaf09d6
SL
2677 .off1 = td_var_offset(rate[DDIR_READ]),
2678 .off2 = td_var_offset(rate[DDIR_WRITE]),
2679 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2680 .help = "Set bandwidth rate",
e8b0e958
JA
2681 .category = FIO_OPT_C_IO,
2682 .group = FIO_OPT_G_RATE,
214e1eca
JA
2683 },
2684 {
6d428bcd
JA
2685 .name = "rate_min",
2686 .alias = "ratemin",
e8b0e958 2687 .lname = "I/O min rate",
e01b22b8 2688 .type = FIO_OPT_INT,
6eaf09d6
SL
2689 .off1 = td_var_offset(ratemin[DDIR_READ]),
2690 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2691 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2692 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2693 .parent = "rate",
d71c154c 2694 .hide = 1,
e8b0e958
JA
2695 .category = FIO_OPT_C_IO,
2696 .group = FIO_OPT_G_RATE,
4e991c23
JA
2697 },
2698 {
2699 .name = "rate_iops",
e8b0e958 2700 .lname = "I/O rate IOPS",
e01b22b8 2701 .type = FIO_OPT_INT,
6eaf09d6
SL
2702 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2703 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2704 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2705 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2706 .hide = 1,
e8b0e958
JA
2707 .category = FIO_OPT_C_IO,
2708 .group = FIO_OPT_G_RATE,
4e991c23
JA
2709 },
2710 {
2711 .name = "rate_iops_min",
e8b0e958 2712 .lname = "I/O min rate IOPS",
e01b22b8 2713 .type = FIO_OPT_INT,
6eaf09d6
SL
2714 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2715 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2716 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2717 .help = "Job must meet this rate or it will be shut down",
afdf9352 2718 .parent = "rate_iops",
d71c154c 2719 .hide = 1,
e8b0e958
JA
2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_RATE,
214e1eca 2722 },
ff6bb260 2723 {
6de65959
JA
2724 .name = "rate_process",
2725 .lname = "Rate Process",
2726 .type = FIO_OPT_STR,
2727 .off1 = td_var_offset(rate_process),
2728 .help = "What process controls how rated IO is managed",
2729 .def = "linear",
ff6bb260
SL
2730 .category = FIO_OPT_C_IO,
2731 .group = FIO_OPT_G_RATE,
6de65959
JA
2732 .posval = {
2733 { .ival = "linear",
2734 .oval = RATE_PROCESS_LINEAR,
2735 .help = "Linear rate of IO",
2736 },
2737 {
2738 .ival = "poisson",
2739 .oval = RATE_PROCESS_POISSON,
2740 .help = "Rate follows Poisson process",
2741 },
2742 },
2743 .parent = "rate",
ff6bb260 2744 },
214e1eca 2745 {
6d428bcd
JA
2746 .name = "rate_cycle",
2747 .alias = "ratecycle",
e8b0e958 2748 .lname = "I/O rate cycle",
214e1eca
JA
2749 .type = FIO_OPT_INT,
2750 .off1 = td_var_offset(ratecycle),
2751 .help = "Window average for rate limits (msec)",
2752 .def = "1000",
afdf9352 2753 .parent = "rate",
d71c154c 2754 .hide = 1,
e8b0e958
JA
2755 .category = FIO_OPT_C_IO,
2756 .group = FIO_OPT_G_RATE,
214e1eca 2757 },
15501535
JA
2758 {
2759 .name = "max_latency",
2760 .type = FIO_OPT_INT,
2761 .off1 = td_var_offset(max_latency),
2762 .help = "Maximum tolerated IO latency (usec)",
88038bc7 2763 .is_time = 1,
1e5324e7 2764 .category = FIO_OPT_C_IO,
3e260a46
JA
2765 .group = FIO_OPT_G_LATPROF,
2766 },
2767 {
2768 .name = "latency_target",
2769 .lname = "Latency Target (usec)",
2770 .type = FIO_OPT_STR_VAL_TIME,
2771 .off1 = td_var_offset(latency_target),
2772 .help = "Ramp to max queue depth supporting this latency",
88038bc7 2773 .is_time = 1,
3e260a46
JA
2774 .category = FIO_OPT_C_IO,
2775 .group = FIO_OPT_G_LATPROF,
2776 },
2777 {
2778 .name = "latency_window",
2779 .lname = "Latency Window (usec)",
2780 .type = FIO_OPT_STR_VAL_TIME,
2781 .off1 = td_var_offset(latency_window),
2782 .help = "Time to sustain latency_target",
88038bc7 2783 .is_time = 1,
3e260a46
JA
2784 .category = FIO_OPT_C_IO,
2785 .group = FIO_OPT_G_LATPROF,
2786 },
2787 {
2788 .name = "latency_percentile",
2789 .lname = "Latency Percentile",
2790 .type = FIO_OPT_FLOAT_LIST,
2791 .off1 = td_var_offset(latency_percentile),
2792 .help = "Percentile of IOs must be below latency_target",
2793 .def = "100",
2794 .maxlen = 1,
2795 .minfp = 0.0,
2796 .maxfp = 100.0,
2797 .category = FIO_OPT_C_IO,
2798 .group = FIO_OPT_G_LATPROF,
15501535 2799 },
214e1eca
JA
2800 {
2801 .name = "invalidate",
e8b0e958 2802 .lname = "Cache invalidate",
214e1eca
JA
2803 .type = FIO_OPT_BOOL,
2804 .off1 = td_var_offset(invalidate_cache),
2805 .help = "Invalidate buffer/page cache prior to running job",
2806 .def = "1",
e8b0e958 2807 .category = FIO_OPT_C_IO,
3ceb458f 2808 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
2809 },
2810 {
2811 .name = "sync",
e8b0e958 2812 .lname = "Synchronous I/O",
214e1eca
JA
2813 .type = FIO_OPT_BOOL,
2814 .off1 = td_var_offset(sync_io),
2815 .help = "Use O_SYNC for buffered writes",
2816 .def = "0",
67a1000f 2817 .parent = "buffered",
d71c154c 2818 .hide = 1,
e8b0e958 2819 .category = FIO_OPT_C_IO,
3ceb458f 2820 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2821 },
214e1eca
JA
2822 {
2823 .name = "create_serialize",
e8b0e958 2824 .lname = "Create serialize",
214e1eca
JA
2825 .type = FIO_OPT_BOOL,
2826 .off1 = td_var_offset(create_serialize),
2827 .help = "Serialize creating of job files",
2828 .def = "1",
e8b0e958
JA
2829 .category = FIO_OPT_C_FILE,
2830 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2831 },
2832 {
2833 .name = "create_fsync",
e8b0e958 2834 .lname = "Create fsync",
214e1eca
JA
2835 .type = FIO_OPT_BOOL,
2836 .off1 = td_var_offset(create_fsync),
03e20d68 2837 .help = "fsync file after creation",
214e1eca 2838 .def = "1",
e8b0e958
JA
2839 .category = FIO_OPT_C_FILE,
2840 .group = FIO_OPT_G_INVALID,
214e1eca 2841 },
814452bd
JA
2842 {
2843 .name = "create_on_open",
e8b0e958 2844 .lname = "Create on open",
814452bd
JA
2845 .type = FIO_OPT_BOOL,
2846 .off1 = td_var_offset(create_on_open),
2847 .help = "Create files when they are opened for IO",
2848 .def = "0",
e8b0e958
JA
2849 .category = FIO_OPT_C_FILE,
2850 .group = FIO_OPT_G_INVALID,
814452bd 2851 },
25460cf6
JA
2852 {
2853 .name = "create_only",
2854 .type = FIO_OPT_BOOL,
2855 .off1 = td_var_offset(create_only),
2856 .help = "Only perform file creation phase",
d17fda71 2857 .category = FIO_OPT_C_FILE,
25460cf6
JA
2858 .def = "0",
2859 },
2378826d
JA
2860 {
2861 .name = "allow_file_create",
e81ecca3 2862 .lname = "Allow file create",
2378826d
JA
2863 .type = FIO_OPT_BOOL,
2864 .off1 = td_var_offset(allow_create),
2865 .help = "Permit fio to create files, if they don't exist",
2866 .def = "1",
2867 .category = FIO_OPT_C_FILE,
2868 .group = FIO_OPT_G_FILENAME,
2869 },
e81ecca3
JA
2870 {
2871 .name = "allow_mounted_write",
2872 .lname = "Allow mounted write",
2873 .type = FIO_OPT_BOOL,
2874 .off1 = td_var_offset(allow_mounted_write),
2875 .help = "Allow writes to a mounted partition",
2876 .def = "0",
2877 .category = FIO_OPT_C_FILE,
2878 .group = FIO_OPT_G_FILENAME,
2879 },
0b9d69ec 2880 {
afad68f7 2881 .name = "pre_read",
e8b0e958 2882 .lname = "Pre-read files",
afad68f7
ZY
2883 .type = FIO_OPT_BOOL,
2884 .off1 = td_var_offset(pre_read),
03e20d68 2885 .help = "Pre-read files before starting official testing",
afad68f7 2886 .def = "0",
e8b0e958
JA
2887 .category = FIO_OPT_C_FILE,
2888 .group = FIO_OPT_G_INVALID,
afad68f7 2889 },
214e1eca
JA
2890#ifdef FIO_HAVE_CPU_AFFINITY
2891 {
2892 .name = "cpumask",
e8b0e958 2893 .lname = "CPU mask",
214e1eca
JA
2894 .type = FIO_OPT_INT,
2895 .cb = str_cpumask_cb,
a8523a6a 2896 .off1 = td_var_offset(cpumask),
214e1eca 2897 .help = "CPU affinity mask",
e8b0e958 2898 .category = FIO_OPT_C_GENERAL,
10860056 2899 .group = FIO_OPT_G_CRED,
214e1eca 2900 },
d2e268b0
JA
2901 {
2902 .name = "cpus_allowed",
e8b0e958 2903 .lname = "CPUs allowed",
d2e268b0
JA
2904 .type = FIO_OPT_STR,
2905 .cb = str_cpus_allowed_cb,
a8523a6a 2906 .off1 = td_var_offset(cpumask),
d2e268b0 2907 .help = "Set CPUs allowed",
e8b0e958 2908 .category = FIO_OPT_C_GENERAL,
10860056 2909 .group = FIO_OPT_G_CRED,
d2e268b0 2910 },
c2acfbac
JA
2911 {
2912 .name = "cpus_allowed_policy",
2913 .lname = "CPUs allowed distribution policy",
2914 .type = FIO_OPT_STR,
2915 .off1 = td_var_offset(cpus_allowed_policy),
2916 .help = "Distribution policy for cpus_allowed",
2917 .parent = "cpus_allowed",
2918 .prio = 1,
2919 .posval = {
2920 { .ival = "shared",
2921 .oval = FIO_CPUS_SHARED,
2922 .help = "Mask shared between threads",
2923 },
2924 { .ival = "split",
2925 .oval = FIO_CPUS_SPLIT,
2926 .help = "Mask split between threads",
2927 },
2928 },
2929 .category = FIO_OPT_C_GENERAL,
2930 .group = FIO_OPT_G_CRED,
2931 },
d0b937ed 2932#endif
67bf9823 2933#ifdef CONFIG_LIBNUMA
d0b937ed
YR
2934 {
2935 .name = "numa_cpu_nodes",
2936 .type = FIO_OPT_STR,
2937 .cb = str_numa_cpunodes_cb,
b2a9e649 2938 .off1 = td_var_offset(numa_cpunodes),
d0b937ed 2939 .help = "NUMA CPU nodes bind",
6be54b2d
JA
2940 .category = FIO_OPT_C_GENERAL,
2941 .group = FIO_OPT_G_INVALID,
d0b937ed
YR
2942 },
2943 {
2944 .name = "numa_mem_policy",
2945 .type = FIO_OPT_STR,
2946 .cb = str_numa_mpol_cb,
b2a9e649 2947 .off1 = td_var_offset(numa_memnodes),
d0b937ed 2948 .help = "NUMA memory policy setup",
6be54b2d
JA
2949 .category = FIO_OPT_C_GENERAL,
2950 .group = FIO_OPT_G_INVALID,
d0b937ed 2951 },
214e1eca
JA
2952#endif
2953 {
2954 .name = "end_fsync",
e8b0e958 2955 .lname = "End fsync",
214e1eca
JA
2956 .type = FIO_OPT_BOOL,
2957 .off1 = td_var_offset(end_fsync),
2958 .help = "Include fsync at the end of job",
2959 .def = "0",
e8b0e958
JA
2960 .category = FIO_OPT_C_FILE,
2961 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2962 },
2963 {
2964 .name = "fsync_on_close",
e8b0e958 2965 .lname = "Fsync on close",
214e1eca
JA
2966 .type = FIO_OPT_BOOL,
2967 .off1 = td_var_offset(fsync_on_close),
2968 .help = "fsync files on close",
2969 .def = "0",
e8b0e958
JA
2970 .category = FIO_OPT_C_FILE,
2971 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2972 },
2973 {
2974 .name = "unlink",
e8b0e958 2975 .lname = "Unlink file",
214e1eca
JA
2976 .type = FIO_OPT_BOOL,
2977 .off1 = td_var_offset(unlink),
2978 .help = "Unlink created files after job has completed",
2979 .def = "0",
e8b0e958
JA
2980 .category = FIO_OPT_C_FILE,
2981 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2982 },
2983 {
2984 .name = "exitall",
e8b0e958 2985 .lname = "Exit-all on terminate",
214e1eca
JA
2986 .type = FIO_OPT_STR_SET,
2987 .cb = str_exitall_cb,
2988 .help = "Terminate all jobs when one exits",
e8b0e958 2989 .category = FIO_OPT_C_GENERAL,
a1f6afec 2990 .group = FIO_OPT_G_PROCESS,
214e1eca 2991 },
f9cafb12
JA
2992 {
2993 .name = "exitall_on_error",
2994 .lname = "Exit-all on terminate in error",
2995 .type = FIO_OPT_BOOL,
2996 .off1 = td_var_offset(unlink),
2997 .help = "Terminate all jobs when one exits in error",
2998 .category = FIO_OPT_C_GENERAL,
2999 .group = FIO_OPT_G_PROCESS,
3000 },
214e1eca
JA
3001 {
3002 .name = "stonewall",
e8b0e958 3003 .lname = "Wait for previous",
d392365e 3004 .alias = "wait_for_previous",
214e1eca
JA
3005 .type = FIO_OPT_STR_SET,
3006 .off1 = td_var_offset(stonewall),
3007 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3008 .category = FIO_OPT_C_GENERAL,
a1f6afec 3009 .group = FIO_OPT_G_PROCESS,
214e1eca 3010 },
b3d62a75
JA
3011 {
3012 .name = "new_group",
e8b0e958 3013 .lname = "New group",
b3d62a75
JA
3014 .type = FIO_OPT_STR_SET,
3015 .off1 = td_var_offset(new_group),
3016 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3017 .category = FIO_OPT_C_GENERAL,
a1f6afec 3018 .group = FIO_OPT_G_PROCESS,
b3d62a75 3019 },
214e1eca
JA
3020 {
3021 .name = "thread",
e8b0e958 3022 .lname = "Thread",
214e1eca
JA
3023 .type = FIO_OPT_STR_SET,
3024 .off1 = td_var_offset(use_thread),
20eb06bd 3025 .help = "Use threads instead of processes",
c8931876
JA
3026#ifdef CONFIG_NO_SHM
3027 .def = "1",
3028 .no_warn_def = 1,
3029#endif
e8b0e958 3030 .category = FIO_OPT_C_GENERAL,
a1f6afec 3031 .group = FIO_OPT_G_PROCESS,
214e1eca 3032 },
3a5db920
JA
3033 {
3034 .name = "per_job_logs",
3035 .type = FIO_OPT_BOOL,
3036 .off1 = td_var_offset(per_job_logs),
3037 .help = "Include job number in generated log files or not",
3038 .def = "1",
3039 .category = FIO_OPT_C_LOG,
3040 .group = FIO_OPT_G_INVALID,
3041 },
214e1eca
JA
3042 {
3043 .name = "write_bw_log",
e8b0e958 3044 .lname = "Write bandwidth log",
203160d5
JA
3045 .type = FIO_OPT_STR_STORE,
3046 .off1 = td_var_offset(bw_log_file),
214e1eca 3047 .help = "Write log of bandwidth during run",
e8b0e958
JA
3048 .category = FIO_OPT_C_LOG,
3049 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3050 },
3051 {
3052 .name = "write_lat_log",
e8b0e958 3053 .lname = "Write latency log",
203160d5
JA
3054 .type = FIO_OPT_STR_STORE,
3055 .off1 = td_var_offset(lat_log_file),
214e1eca 3056 .help = "Write log of latency during run",
e8b0e958
JA
3057 .category = FIO_OPT_C_LOG,
3058 .group = FIO_OPT_G_INVALID,
214e1eca 3059 },
c8eeb9df
JA
3060 {
3061 .name = "write_iops_log",
e8b0e958 3062 .lname = "Write IOPS log",
577c83bd 3063 .type = FIO_OPT_STR_STORE,
203160d5 3064 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3065 .help = "Write log of IOPS during run",
e8b0e958
JA
3066 .category = FIO_OPT_C_LOG,
3067 .group = FIO_OPT_G_INVALID,
c8eeb9df 3068 },
b8bc8cba
JA
3069 {
3070 .name = "log_avg_msec",
e8b0e958 3071 .lname = "Log averaging (msec)",
b8bc8cba
JA
3072 .type = FIO_OPT_INT,
3073 .off1 = td_var_offset(log_avg_msec),
3074 .help = "Average bw/iops/lat logs over this period of time",
3075 .def = "0",
e8b0e958
JA
3076 .category = FIO_OPT_C_LOG,
3077 .group = FIO_OPT_G_INVALID,
b8bc8cba 3078 },
ae588852
JA
3079 {
3080 .name = "log_offset",
3081 .lname = "Log offset of IO",
3082 .type = FIO_OPT_BOOL,
3083 .off1 = td_var_offset(log_offset),
3084 .help = "Include offset of IO for each log entry",
3085 .def = "0",
3086 .category = FIO_OPT_C_LOG,
3087 .group = FIO_OPT_G_INVALID,
3088 },
aee2ab67
JA
3089#ifdef CONFIG_ZLIB
3090 {
3091 .name = "log_compression",
3092 .lname = "Log compression",
3093 .type = FIO_OPT_INT,
3094 .off1 = td_var_offset(log_gz),
3095 .help = "Log in compressed chunks of this size",
9919b27b 3096 .minval = 1024ULL,
aee2ab67
JA
3097 .maxval = 512 * 1024 * 1024ULL,
3098 .category = FIO_OPT_C_LOG,
3099 .group = FIO_OPT_G_INVALID,
3100 },
c08f9fe2
JA
3101#ifdef FIO_HAVE_CPU_AFFINITY
3102 {
3103 .name = "log_compression_cpus",
3104 .lname = "Log Compression CPUs",
3105 .type = FIO_OPT_STR,
3106 .cb = str_log_cpus_allowed_cb,
3107 .off1 = td_var_offset(log_gz_cpumask),
3108 .parent = "log_compression",
3109 .help = "Limit log compression to these CPUs",
3110 .category = FIO_OPT_C_LOG,
3111 .group = FIO_OPT_G_INVALID,
3112 },
3113#endif
b26317c9
JA
3114 {
3115 .name = "log_store_compressed",
3116 .lname = "Log store compressed",
3117 .type = FIO_OPT_BOOL,
3118 .off1 = td_var_offset(log_gz_store),
3119 .help = "Store logs in a compressed format",
3120 .category = FIO_OPT_C_LOG,
3121 .group = FIO_OPT_G_INVALID,
3122 },
aee2ab67 3123#endif
66347cfa
DE
3124 {
3125 .name = "block_error_percentiles",
3126 .lname = "Block error percentiles",
3127 .type = FIO_OPT_BOOL,
3128 .off1 = td_var_offset(block_error_hist),
3129 .help = "Record trim block errors and make a histogram",
3130 .def = "0",
3131 .category = FIO_OPT_C_LOG,
3132 .group = FIO_OPT_G_INVALID,
3133 },
c504ee55
JA
3134 {
3135 .name = "bwavgtime",
3136 .lname = "Bandwidth average time",
3137 .type = FIO_OPT_INT,
3138 .off1 = td_var_offset(bw_avg_time),
3139 .help = "Time window over which to calculate bandwidth"
3140 " (msec)",
3141 .def = "500",
3142 .parent = "write_bw_log",
3143 .hide = 1,
3144 .interval = 100,
3145 .category = FIO_OPT_C_LOG,
3146 .group = FIO_OPT_G_INVALID,
3147 },
3148 {
3149 .name = "iopsavgtime",
3150 .lname = "IOPS average time",
3151 .type = FIO_OPT_INT,
3152 .off1 = td_var_offset(iops_avg_time),
3153 .help = "Time window over which to calculate IOPS (msec)",
3154 .def = "500",
3155 .parent = "write_iops_log",
3156 .hide = 1,
3157 .interval = 100,
3158 .category = FIO_OPT_C_LOG,
3159 .group = FIO_OPT_G_INVALID,
3160 },
214e1eca
JA
3161 {
3162 .name = "group_reporting",
e8b0e958 3163 .lname = "Group reporting",
d2507043 3164 .type = FIO_OPT_STR_SET,
214e1eca
JA
3165 .off1 = td_var_offset(group_reporting),
3166 .help = "Do reporting on a per-group basis",
10860056 3167 .category = FIO_OPT_C_STAT,
e8b0e958 3168 .group = FIO_OPT_G_INVALID,
214e1eca 3169 },
e9459e5a
JA
3170 {
3171 .name = "zero_buffers",
e8b0e958 3172 .lname = "Zero I/O buffers",
e9459e5a
JA
3173 .type = FIO_OPT_STR_SET,
3174 .off1 = td_var_offset(zero_buffers),
3175 .help = "Init IO buffers to all zeroes",
e8b0e958 3176 .category = FIO_OPT_C_IO,
3ceb458f 3177 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3178 },
5973cafb
JA
3179 {
3180 .name = "refill_buffers",
e8b0e958 3181 .lname = "Refill I/O buffers",
5973cafb
JA
3182 .type = FIO_OPT_STR_SET,
3183 .off1 = td_var_offset(refill_buffers),
3184 .help = "Refill IO buffers on every IO submit",
e8b0e958 3185 .category = FIO_OPT_C_IO,
3ceb458f 3186 .group = FIO_OPT_G_IO_BUF,
5973cafb 3187 },
fd68418e
JA
3188 {
3189 .name = "scramble_buffers",
e8b0e958 3190 .lname = "Scramble I/O buffers",
fd68418e
JA
3191 .type = FIO_OPT_BOOL,
3192 .off1 = td_var_offset(scramble_buffers),
3193 .help = "Slightly scramble buffers on every IO submit",
3194 .def = "1",
e8b0e958 3195 .category = FIO_OPT_C_IO,
3ceb458f 3196 .group = FIO_OPT_G_IO_BUF,
fd68418e 3197 },
ce35b1ec
JA
3198 {
3199 .name = "buffer_pattern",
3200 .lname = "Buffer pattern",
3201 .type = FIO_OPT_STR,
3202 .cb = str_buffer_pattern_cb,
a8523a6a 3203 .off1 = td_var_offset(buffer_pattern),
ce35b1ec
JA
3204 .help = "Fill pattern for IO buffers",
3205 .category = FIO_OPT_C_IO,
3206 .group = FIO_OPT_G_IO_BUF,
3207 },
9c42684e
JA
3208 {
3209 .name = "buffer_compress_percentage",
e8b0e958 3210 .lname = "Buffer compression percentage",
9c42684e 3211 .type = FIO_OPT_INT,
bedc9dc2 3212 .cb = str_buffer_compress_cb,
a8523a6a 3213 .off1 = td_var_offset(compress_percentage),
9c42684e 3214 .maxval = 100,
e7f5de90 3215 .minval = 0,
9c42684e 3216 .help = "How compressible the buffer is (approximately)",
20eb06bd 3217 .interval = 5,
e8b0e958 3218 .category = FIO_OPT_C_IO,
3ceb458f 3219 .group = FIO_OPT_G_IO_BUF,
9c42684e 3220 },
f97a43a1
JA
3221 {
3222 .name = "buffer_compress_chunk",
e8b0e958 3223 .lname = "Buffer compression chunk size",
f97a43a1
JA
3224 .type = FIO_OPT_INT,
3225 .off1 = td_var_offset(compress_chunk),
207b18e4 3226 .parent = "buffer_compress_percentage",
d71c154c 3227 .hide = 1,
f97a43a1 3228 .help = "Size of compressible region in buffer",
20eb06bd 3229 .interval = 256,
e8b0e958 3230 .category = FIO_OPT_C_IO,
3ceb458f 3231 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3232 },
5c94b008
JA
3233 {
3234 .name = "dedupe_percentage",
3235 .lname = "Dedupe percentage",
3236 .type = FIO_OPT_INT,
3237 .cb = str_dedupe_cb,
a8523a6a 3238 .off1 = td_var_offset(dedupe_percentage),
5c94b008
JA
3239 .maxval = 100,
3240 .minval = 0,
3241 .help = "Percentage of buffers that are dedupable",
3242 .interval = 1,
3243 .category = FIO_OPT_C_IO,
3244 .group = FIO_OPT_G_IO_BUF,
3245 },
83349190
YH
3246 {
3247 .name = "clat_percentiles",
e8b0e958 3248 .lname = "Completion latency percentiles",
83349190
YH
3249 .type = FIO_OPT_BOOL,
3250 .off1 = td_var_offset(clat_percentiles),
3251 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3252 .def = "1",
e8b0e958
JA
3253 .category = FIO_OPT_C_STAT,
3254 .group = FIO_OPT_G_INVALID,
83349190
YH
3255 },
3256 {
3257 .name = "percentile_list",
66347cfa 3258 .lname = "Percentile list",
83349190
YH
3259 .type = FIO_OPT_FLOAT_LIST,
3260 .off1 = td_var_offset(percentile_list),
435d195a 3261 .off2 = td_var_offset(percentile_precision),
66347cfa
DE
3262 .help = "Specify a custom list of percentiles to report for "
3263 "completion latency and block errors",
fd112d34 3264 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH
3265 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3266 .minfp = 0.0,
3267 .maxfp = 100.0,
e8b0e958
JA
3268 .category = FIO_OPT_C_STAT,
3269 .group = FIO_OPT_G_INVALID,
83349190
YH
3270 },
3271
0a839f30
JA
3272#ifdef FIO_HAVE_DISK_UTIL
3273 {
3274 .name = "disk_util",
e8b0e958 3275 .lname = "Disk utilization",
0a839f30
JA
3276 .type = FIO_OPT_BOOL,
3277 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3278 .help = "Log disk utilization statistics",
0a839f30 3279 .def = "1",
e8b0e958
JA
3280 .category = FIO_OPT_C_STAT,
3281 .group = FIO_OPT_G_INVALID,
0a839f30
JA
3282 },
3283#endif
993bf48b
JA
3284 {
3285 .name = "gtod_reduce",
e8b0e958 3286 .lname = "Reduce gettimeofday() calls",
993bf48b
JA
3287 .type = FIO_OPT_BOOL,
3288 .help = "Greatly reduce number of gettimeofday() calls",
3289 .cb = str_gtod_reduce_cb,
3290 .def = "0",
a4ed77fe 3291 .hide_on_set = 1,
e8b0e958
JA
3292 .category = FIO_OPT_C_STAT,
3293 .group = FIO_OPT_G_INVALID,
993bf48b 3294 },
02af0988
JA
3295 {
3296 .name = "disable_lat",
e8b0e958 3297 .lname = "Disable all latency stats",
02af0988
JA
3298 .type = FIO_OPT_BOOL,
3299 .off1 = td_var_offset(disable_lat),
3300 .help = "Disable latency numbers",
3301 .parent = "gtod_reduce",
d71c154c 3302 .hide = 1,
02af0988 3303 .def = "0",
e8b0e958
JA
3304 .category = FIO_OPT_C_STAT,
3305 .group = FIO_OPT_G_INVALID,
02af0988 3306 },
9520ebb9
JA
3307 {
3308 .name = "disable_clat",
e8b0e958 3309 .lname = "Disable completion latency stats",
9520ebb9
JA
3310 .type = FIO_OPT_BOOL,
3311 .off1 = td_var_offset(disable_clat),
3312 .help = "Disable completion latency numbers",
993bf48b 3313 .parent = "gtod_reduce",
d71c154c 3314 .hide = 1,
9520ebb9 3315 .def = "0",
e8b0e958
JA
3316 .category = FIO_OPT_C_STAT,
3317 .group = FIO_OPT_G_INVALID,
9520ebb9
JA
3318 },
3319 {
3320 .name = "disable_slat",
e8b0e958 3321 .lname = "Disable submission latency stats",
9520ebb9
JA
3322 .type = FIO_OPT_BOOL,
3323 .off1 = td_var_offset(disable_slat),
03e20d68 3324 .help = "Disable submission latency numbers",
993bf48b 3325 .parent = "gtod_reduce",
d71c154c 3326 .hide = 1,
9520ebb9 3327 .def = "0",
e8b0e958
JA
3328 .category = FIO_OPT_C_STAT,
3329 .group = FIO_OPT_G_INVALID,
9520ebb9
JA
3330 },
3331 {
3332 .name = "disable_bw_measurement",
e8b0e958 3333 .lname = "Disable bandwidth stats",
9520ebb9
JA
3334 .type = FIO_OPT_BOOL,
3335 .off1 = td_var_offset(disable_bw),
3336 .help = "Disable bandwidth logging",
993bf48b 3337 .parent = "gtod_reduce",
d71c154c 3338 .hide = 1,
9520ebb9 3339 .def = "0",
e8b0e958
JA
3340 .category = FIO_OPT_C_STAT,
3341 .group = FIO_OPT_G_INVALID,
9520ebb9 3342 },
be4ecfdf
JA
3343 {
3344 .name = "gtod_cpu",
e8b0e958 3345 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 3346 .type = FIO_OPT_INT,
79c896a1 3347 .off1 = td_var_offset(gtod_cpu),
03e20d68 3348 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3349 .verify = gtod_cpu_verify,
e8b0e958 3350 .category = FIO_OPT_C_GENERAL,
10860056 3351 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3352 },
771e58be
JA
3353 {
3354 .name = "unified_rw_reporting",
3355 .type = FIO_OPT_BOOL,
3356 .off1 = td_var_offset(unified_rw_rep),
3357 .help = "Unify reporting across data direction",
3358 .def = "0",
90b7a96d
JA
3359 .category = FIO_OPT_C_GENERAL,
3360 .group = FIO_OPT_G_INVALID,
771e58be 3361 },
f2bba182
RR
3362 {
3363 .name = "continue_on_error",
e8b0e958 3364 .lname = "Continue on error",
06842027 3365 .type = FIO_OPT_STR,
f2bba182 3366 .off1 = td_var_offset(continue_on_error),
03e20d68 3367 .help = "Continue on non-fatal errors during IO",
06842027 3368 .def = "none",
e8b0e958 3369 .category = FIO_OPT_C_GENERAL,
bc3f552f 3370 .group = FIO_OPT_G_ERR,
06842027
SL
3371 .posval = {
3372 { .ival = "none",
3373 .oval = ERROR_TYPE_NONE,
3374 .help = "Exit when an error is encountered",
3375 },
3376 { .ival = "read",
3377 .oval = ERROR_TYPE_READ,
3378 .help = "Continue on read errors only",
3379 },
3380 { .ival = "write",
3381 .oval = ERROR_TYPE_WRITE,
3382 .help = "Continue on write errors only",
3383 },
3384 { .ival = "io",
3385 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3386 .help = "Continue on any IO errors",
3387 },
3388 { .ival = "verify",
3389 .oval = ERROR_TYPE_VERIFY,
3390 .help = "Continue on verify errors only",
3391 },
3392 { .ival = "all",
3393 .oval = ERROR_TYPE_ANY,
3394 .help = "Continue on all io and verify errors",
3395 },
3396 { .ival = "0",
3397 .oval = ERROR_TYPE_NONE,
3398 .help = "Alias for 'none'",
3399 },
3400 { .ival = "1",
3401 .oval = ERROR_TYPE_ANY,
3402 .help = "Alias for 'all'",
3403 },
3404 },
f2bba182 3405 },
8b28bd41
DM
3406 {
3407 .name = "ignore_error",
3408 .type = FIO_OPT_STR,
3409 .cb = str_ignore_error_cb,
a8523a6a 3410 .off1 = td_var_offset(ignore_error_nr),
8b28bd41
DM
3411 .help = "Set a specific list of errors to ignore",
3412 .parent = "rw",
a94eb99a 3413 .category = FIO_OPT_C_GENERAL,
bc3f552f 3414 .group = FIO_OPT_G_ERR,
8b28bd41
DM
3415 },
3416 {
3417 .name = "error_dump",
3418 .type = FIO_OPT_BOOL,
3419 .off1 = td_var_offset(error_dump),
3420 .def = "0",
3421 .help = "Dump info on each error",
a94eb99a 3422 .category = FIO_OPT_C_GENERAL,
bc3f552f 3423 .group = FIO_OPT_G_ERR,
8b28bd41 3424 },
9ac8a797
JA
3425 {
3426 .name = "profile",
e8b0e958 3427 .lname = "Profile",
79d16311 3428 .type = FIO_OPT_STR_STORE,
9ac8a797 3429 .off1 = td_var_offset(profile),
9ac8a797 3430 .help = "Select a specific builtin performance test",
13fca827 3431 .category = FIO_OPT_C_PROFILE,
e8b0e958 3432 .group = FIO_OPT_G_INVALID,
9ac8a797 3433 },
a696fa2a
JA
3434 {
3435 .name = "cgroup",
e8b0e958 3436 .lname = "Cgroup",
a696fa2a
JA
3437 .type = FIO_OPT_STR_STORE,
3438 .off1 = td_var_offset(cgroup),
3439 .help = "Add job to cgroup of this name",
e8b0e958 3440 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA
3441 .group = FIO_OPT_G_CGROUP,
3442 },
3443 {
3444 .name = "cgroup_nodelete",
3445 .lname = "Cgroup no-delete",
3446 .type = FIO_OPT_BOOL,
3447 .off1 = td_var_offset(cgroup_nodelete),
3448 .help = "Do not delete cgroups after job completion",
3449 .def = "0",
3450 .parent = "cgroup",
3451 .category = FIO_OPT_C_GENERAL,
3452 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA
3453 },
3454 {
3455 .name = "cgroup_weight",
e8b0e958 3456 .lname = "Cgroup weight",
a696fa2a
JA
3457 .type = FIO_OPT_INT,
3458 .off1 = td_var_offset(cgroup_weight),
3459 .help = "Use given weight for cgroup",
3460 .minval = 100,
3461 .maxval = 1000,
a1f6afec 3462 .parent = "cgroup",
e8b0e958 3463 .category = FIO_OPT_C_GENERAL,
a1f6afec 3464 .group = FIO_OPT_G_CGROUP,
7de87099 3465 },
e0b0d892
JA
3466 {
3467 .name = "uid",
e8b0e958 3468 .lname = "User ID",
e0b0d892
JA
3469 .type = FIO_OPT_INT,
3470 .off1 = td_var_offset(uid),
3471 .help = "Run job with this user ID",
e8b0e958 3472 .category = FIO_OPT_C_GENERAL,
10860056 3473 .group = FIO_OPT_G_CRED,
e0b0d892
JA
3474 },
3475 {
3476 .name = "gid",
e8b0e958 3477 .lname = "Group ID",
e0b0d892
JA
3478 .type = FIO_OPT_INT,
3479 .off1 = td_var_offset(gid),
3480 .help = "Run job with this group ID",
e8b0e958 3481 .category = FIO_OPT_C_GENERAL,
10860056 3482 .group = FIO_OPT_G_CRED,
e0b0d892 3483 },
a1f6afec
JA
3484 {
3485 .name = "kb_base",
3486 .lname = "KB Base",
3487 .type = FIO_OPT_INT,
3488 .off1 = td_var_offset(kb_base),
a1f6afec
JA
3489 .prio = 1,
3490 .def = "1024",
ba9c7219
JA
3491 .posval = {
3492 { .ival = "1024",
3493 .oval = 1024,
3494 .help = "Use 1024 as the K base",
3495 },
3496 { .ival = "1000",
3497 .oval = 1000,
3498 .help = "Use 1000 as the K base",
3499 },
3500 },
a1f6afec
JA
3501 .help = "How many bytes per KB for reporting (1000 or 1024)",
3502 .category = FIO_OPT_C_GENERAL,
3503 .group = FIO_OPT_G_INVALID,
3504 },
cf3a0518
JA
3505 {
3506 .name = "unit_base",
ba9c7219