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steadystate: make flags conform to usual fio standard
[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
e13c3b50 21char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 22
a609f12a
JA		 23#define cb_data_to_td(data) container_of(data, struct thread_data, o)
24
fc8d6d05 25static struct pattern_fmt_desc fmt_desc[] = {
4205998f
JA		 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
a7cd478d 54 return (int) bsp1->perc - (int) bsp2->perc;
564ca972
JA		 55}
56
d2835319
JA		 57struct split {
58 unsigned int nr;
9d8fc5e4
JA		 59 unsigned int val1[ZONESPLIT_MAX];
60 unsigned long long val2[ZONESPLIT_MAX];
d2835319
JA		 61};
62
63static int split_parse_ddir(struct thread_options *o, struct split *split,
59466396 64 enum fio_ddir ddir, char *str, bool absolute)
564ca972 65{
59466396
JA		 66 unsigned long long perc;
67 unsigned int i;
564ca972 68 long long val;
720e84ad 69 char *fname;
564ca972 70
d2835319 71 split->nr = 0;
564ca972
JA		 72
73 i = 0;
564ca972
JA		 74 while ((fname = strsep(&str, ":")) != NULL) {
75 char *perc_str;
76
77 if (!strlen(fname))
78 break;
79
564ca972
JA		 80 perc_str = strstr(fname, "/");
81 if (perc_str) {
82 *perc_str = '\0';
83 perc_str++;
59466396
JA		 84 if (absolute) {
85 if (str_to_decimal(perc_str, &val, 1, o, 0, 0)) {
86 log_err("fio: split conversion failed\n");
87 return 1;
88 }
89 perc = val;
90 } else {
91 perc = atoi(perc_str);
92 if (perc > 100)
93 perc = 100;
94 else if (!perc)
95 perc = -1U;
96 }
97 } else {
98 if (absolute)
99 perc = 0;
100 else
d711cce5 101 perc = -1U;
59466396 102 }
564ca972 103
88038bc7 104 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
59466396 105 log_err("fio: split conversion failed\n");
564ca972
JA		 106 return 1;
107 }
108
d2835319
JA		 109 split->val1[i] = val;
110 split->val2[i] = perc;
564ca972 111 i++;
9d8fc5e4 112 if (i == ZONESPLIT_MAX)
d2835319 113 break;
564ca972
JA		 114 }
115
d2835319
JA		 116 split->nr = i;
117 return 0;
118}
119
59466396
JA		 120static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str,
121 bool data)
d2835319
JA		 122{
123 unsigned int i, perc, perc_missing;
124 unsigned int max_bs, min_bs;
125 struct split split;
126
127 memset(&split, 0, sizeof(split));
128
59466396 129 if (split_parse_ddir(o, &split, ddir, str, data))
d2835319
JA		 130 return 1;
131 if (!split.nr)
132 return 0;
133
134 max_bs = 0;
135 min_bs = -1;
136 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
137 o->bssplit_nr[ddir] = split.nr;
138 for (i = 0; i < split.nr; i++) {
139 if (split.val1[i] > max_bs)
140 max_bs = split.val1[i];
141 if (split.val1[i] < min_bs)
142 min_bs = split.val1[i];
143
144 o->bssplit[ddir][i].bs = split.val1[i];
145 o->bssplit[ddir][i].perc =split.val2[i];
146 }
564ca972
JA		 147
148 /*
149 * Now check if the percentages add up, and how much is missing
150 */
151 perc = perc_missing = 0;
83ea422a 152 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 153 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 154
d711cce5 155 if (bsp->perc == -1U)
564ca972
JA		 156 perc_missing++;
157 else
158 perc += bsp->perc;
159 }
160
40bafa33 161 if (perc > 100 && perc_missing > 1) {
564ca972 162 log_err("fio: bssplit percentages add to more than 100%%\n");
d2835319
JA		 163 free(o->bssplit[ddir]);
164 o->bssplit[ddir] = NULL;
564ca972
JA		 165 return 1;
166 }
d711cce5 167
564ca972
JA		 168 /*
169 * If values didn't have a percentage set, divide the remains between
170 * them.
171 */
172 if (perc_missing) {
d711cce5 173 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 174 perc = 100;
83ea422a 175 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 176 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 177
d711cce5 178 if (bsp->perc == -1U)
564ca972
JA		 179 bsp->perc = (100 - perc) / perc_missing;
180 }
181 }
182
83ea422a
JA		 183 o->min_bs[ddir] = min_bs;
184 o->max_bs[ddir] = max_bs;
564ca972
JA		 185
186 /*
187 * now sort based on percentages, for ease of lookup
188 */
d2835319 189 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
720e84ad 190 return 0;
720e84ad
JA		 191}
192
59466396 193typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *, bool);
764593c0 194
59466396
JA		 195static int str_split_parse(struct thread_data *td, char *str,
196 split_parse_fn *fn, bool data)
720e84ad 197{
764593c0 198 char *odir, *ddir;
720e84ad
JA		 199 int ret = 0;
200
720e84ad
JA		 201 odir = strchr(str, ',');
202 if (odir) {
6eaf09d6
SL		 203 ddir = strchr(odir + 1, ',');
204 if (ddir) {
59466396 205 ret = fn(&td->o, DDIR_TRIM, ddir + 1, data);
6eaf09d6
SL		 206 if (!ret)
207 *ddir = '\0';
208 } else {
209 char *op;
210
211 op = strdup(odir + 1);
59466396 212 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL		 213
214 free(op);
215 }
d79db122 216 if (!ret)
59466396 217 ret = fn(&td->o, DDIR_WRITE, odir + 1, data);
720e84ad
JA		 218 if (!ret) {
219 *odir = '\0';
59466396 220 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad
JA		 221 }
222 } else {
223 char *op;
224
225 op = strdup(str);
59466396 226 ret = fn(&td->o, DDIR_WRITE, op, data);
6eaf09d6 227 free(op);
720e84ad 228
6eaf09d6
SL		 229 if (!ret) {
230 op = strdup(str);
59466396 231 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL		 232 free(op);
233 }
f0c9c217 234 if (!ret)
59466396 235 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad 236 }
564ca972 237
764593c0
JA		 238 return ret;
239}
240
241static int str_bssplit_cb(void *data, const char *input)
242{
a609f12a 243 struct thread_data *td = cb_data_to_td(data);
764593c0
JA		 244 char *str, *p;
245 int ret = 0;
246
764593c0
JA		 247 p = str = strdup(input);
248
249 strip_blank_front(&str);
250 strip_blank_end(str);
251
59466396 252 ret = str_split_parse(td, str, bssplit_ddir, false);
764593c0 253
55baca06
JA		 254 if (parse_dryrun()) {
255 int i;
256
257 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
258 free(td->o.bssplit[i]);
259 td->o.bssplit[i] = NULL;
260 td->o.bssplit_nr[i] = 0;
261 }
262 }
263
564ca972 264 free(p);
720e84ad 265 return ret;
564ca972
JA		 266}
267
8b28bd41
DM		 268static int str2error(char *str)
269{
a94eb99a 270 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 271 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
272 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
273 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
274 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
275 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
276 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 277 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
7fe481b4 278 int i = 0, num = sizeof(err) / sizeof(char *);
8b28bd41 279
a94eb99a 280 while (i < num) {
8b28bd41
DM		 281 if (!strcmp(err[i], str))
282 return i + 1;
283 i++;
284 }
285 return 0;
286}
287
3ed673c6
TK		 288static int ignore_error_type(struct thread_data *td, enum error_type_bit etype,
289 char *str)
8b28bd41
DM		 290{
291 unsigned int i;
292 int *error;
293 char *fname;
294
295 if (etype >= ERROR_TYPE_CNT) {
296 log_err("Illegal error type\n");
297 return 1;
298 }
299
300 td->o.ignore_error_nr[etype] = 4;
685ffd57 301 error = calloc(4, sizeof(int));
8b28bd41
DM		 302
303 i = 0;
304 while ((fname = strsep(&str, ":")) != NULL) {
305
306 if (!strlen(fname))
307 break;
308
309 /*
310 * grow struct buffer, if needed
311 */
312 if (i == td->o.ignore_error_nr[etype]) {
313 td->o.ignore_error_nr[etype] <<= 1;
314 error = realloc(error, td->o.ignore_error_nr[etype]
315 * sizeof(int));
316 }
317 if (fname[0] == 'E') {
318 error[i] = str2error(fname);
319 } else {
320 error[i] = atoi(fname);
321 if (error[i] < 0)
1616e025 322 error[i] = -error[i];
8b28bd41
DM		 323 }
324 if (!error[i]) {
d503e281 325 log_err("Unknown error %s, please use number value\n",
8b28bd41 326 fname);
d503e281 327 td->o.ignore_error_nr[etype] = 0;
0fddbf7a 328 free(error);
8b28bd41
DM		 329 return 1;
330 }
331 i++;
332 }
333 if (i) {
334 td->o.continue_on_error |= 1 << etype;
335 td->o.ignore_error_nr[etype] = i;
336 td->o.ignore_error[etype] = error;
d503e281
TK		 337 } else {
338 td->o.ignore_error_nr[etype] = 0;
c7b086be 339 free(error);
d503e281 340 }
c7b086be 341
8b28bd41
DM		 342 return 0;
343
344}
345
346static int str_ignore_error_cb(void *data, const char *input)
347{
a609f12a 348 struct thread_data *td = cb_data_to_td(data);
8b28bd41 349 char *str, *p, *n;
3ed673c6
TK		 350 int ret = 1;
351 enum error_type_bit type = 0;
52c0cea3
JA		 352
353 if (parse_dryrun())
354 return 0;
355
8b28bd41
DM		 356 p = str = strdup(input);
357
358 strip_blank_front(&str);
359 strip_blank_end(str);
360
361 while (p) {
362 n = strchr(p, ',');
363 if (n)
364 *n++ = '\0';
365 ret = ignore_error_type(td, type, p);
366 if (ret)
367 break;
368 p = n;
369 type++;
370 }
371 free(str);
372 return ret;
373}
374
211097b2
JA		 375static int str_rw_cb(void *data, const char *str)
376{
a609f12a 377 struct thread_data *td = cb_data_to_td(data);
83ea422a 378 struct thread_options *o = &td->o;
27ca949f 379 char *nr;
211097b2 380
52c0cea3
JA		 381 if (parse_dryrun())
382 return 0;
383
83ea422a
JA		 384 o->ddir_seq_nr = 1;
385 o->ddir_seq_add = 0;
059b0802 386
27ca949f 387 nr = get_opt_postfix(str);
059b0802
JA		 388 if (!nr)
389 return 0;
390
391 if (td_random(td))
83ea422a 392 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 393 else {
394 long long val;
395
88038bc7 396 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 397 log_err("fio: rw postfix parsing failed\n");
398 free(nr);
399 return 1;
400 }
401
83ea422a 402 o->ddir_seq_add = val;
182ec6ee 403 }
211097b2 404
059b0802 405 free(nr);
211097b2
JA		 406 return 0;
407}
408
214e1eca
JA		 409static int str_mem_cb(void *data, const char *mem)
410{
a609f12a 411 struct thread_data *td = cb_data_to_td(data);
214e1eca 412
217b0f1d
LG		 413 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
414 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 415 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 416
417 return 0;
418}
419
c223da83
JA		 420static int fio_clock_source_cb(void *data, const char *str)
421{
a609f12a 422 struct thread_data *td = cb_data_to_td(data);
c223da83
JA		 423
424 fio_clock_source = td->o.clocksource;
fa80feae 425 fio_clock_source_set = 1;
01423eae 426 fio_clock_init();
c223da83
JA		 427 return 0;
428}
429
85bc833b 430static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4 431{
a609f12a 432 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 433
434 td->o.rwmix[DDIR_READ] = *val;
435 td->o.rwmix[DDIR_WRITE] = 100 - *val;
436 return 0;
437}
438
85bc833b 439static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4 440{
a609f12a 441 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 442
443 td->o.rwmix[DDIR_WRITE] = *val;
444 td->o.rwmix[DDIR_READ] = 100 - *val;
445 return 0;
446}
447
214e1eca
JA		 448static int str_exitall_cb(void)
449{
450 exitall_on_terminate = 1;
451 return 0;
452}
453
214e1eca 454#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 455int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 456{
50b5860b 457 unsigned int i, index, cpus_in_mask;
c2acfbac 458 const long max_cpu = cpus_online();
c2acfbac 459
50b5860b
JA		 460 cpus_in_mask = fio_cpu_count(mask);
461 cpu_index = cpu_index % cpus_in_mask;
462
463 index = 0;
c2acfbac 464 for (i = 0; i < max_cpu; i++) {
50b5860b 465 if (!fio_cpu_isset(mask, i))
c2acfbac 466 continue;
50b5860b
JA		 467
468 if (cpu_index != index)
469 fio_cpu_clear(mask, i);
470
471 index++;
c2acfbac
JA		 472 }
473
474 return fio_cpu_count(mask);
475}
476
85bc833b 477static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0 478{
a609f12a 479 struct thread_data *td = cb_data_to_td(data);
214e1eca 480 unsigned int i;
b03daafb 481 long max_cpu;
d2ce18b5
JA		 482 int ret;
483
52c0cea3
JA		 484 if (parse_dryrun())
485 return 0;
486
d2ce18b5
JA		 487 ret = fio_cpuset_init(&td->o.cpumask);
488 if (ret < 0) {
489 log_err("fio: cpuset_init failed\n");
490 td_verror(td, ret, "fio_cpuset_init");
491 return 1;
492 }
214e1eca 493
c00a2289 494 max_cpu = cpus_online();
214e1eca 495
62a7273d
JA		 496 for (i = 0; i < sizeof(int) * 8; i++) {
497 if ((1 << i) & *val) {
b8411399 498 if (i >= max_cpu) {
b03daafb 499 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 500 max_cpu - 1);
b03daafb
JA		 501 return 1;
502 }
62a7273d 503 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 504 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 505 }
506 }
d2e268b0 507
d2e268b0 508 return 0;
214e1eca
JA		 509}
510
e8462bd8
JA		 511static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
512 const char *input)
214e1eca 513{
d2e268b0 514 char *cpu, *str, *p;
b03daafb 515 long max_cpu;
19608d6c 516 int ret = 0;
d2e268b0 517
e8462bd8 518 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 519 if (ret < 0) {
520 log_err("fio: cpuset_init failed\n");
521 td_verror(td, ret, "fio_cpuset_init");
522 return 1;
523 }
d2e268b0
JA		 524
525 p = str = strdup(input);
214e1eca 526
d2e268b0
JA		 527 strip_blank_front(&str);
528 strip_blank_end(str);
529
c00a2289 530 max_cpu = cpus_online();
b03daafb 531
d2e268b0 532 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 533 char *str2, *cpu2;
534 int icpu, icpu2;
535
d2e268b0
JA		 536 if (!strlen(cpu))
537 break;
62a7273d
JA		 538
539 str2 = cpu;
540 icpu2 = -1;
541 while ((cpu2 = strsep(&str2, "-")) != NULL) {
542 if (!strlen(cpu2))
543 break;
544
545 icpu2 = atoi(cpu2);
546 }
547
548 icpu = atoi(cpu);
549 if (icpu2 == -1)
550 icpu2 = icpu;
551 while (icpu <= icpu2) {
6d459ee7 552 if (icpu >= FIO_MAX_CPUS) {
19608d6c 553 log_err("fio: your OS only supports up to"
6d459ee7 554 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 555 ret = 1;
556 break;
557 }
9e986889 558 if (icpu >= max_cpu) {
b03daafb 559 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 560 icpu, max_cpu - 1);
b03daafb
JA		 561 ret = 1;
562 break;
563 }
0b9d69ec 564
62a7273d 565 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 566 fio_cpu_set(mask, icpu);
62a7273d
JA		 567 icpu++;
568 }
19608d6c
JA		 569 if (ret)
570 break;
d2e268b0
JA		 571 }
572
573 free(p);
19608d6c 574 return ret;
214e1eca 575}
e8462bd8
JA		 576
577static int str_cpus_allowed_cb(void *data, const char *input)
578{
a609f12a 579 struct thread_data *td = cb_data_to_td(data);
e8462bd8 580
52c0cea3
JA		 581 if (parse_dryrun())
582 return 0;
583
b2a9e649 584 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 585}
586
587static int str_verify_cpus_allowed_cb(void *data, const char *input)
588{
a609f12a 589 struct thread_data *td = cb_data_to_td(data);
e8462bd8 590
466155e2
JA		 591 if (parse_dryrun())
592 return 0;
593
b2a9e649 594 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 595}
c08f9fe2 596
105157ad 597#ifdef CONFIG_ZLIB
c08f9fe2
JA		 598static int str_log_cpus_allowed_cb(void *data, const char *input)
599{
a609f12a 600 struct thread_data *td = cb_data_to_td(data);
c08f9fe2
JA		 601
602 if (parse_dryrun())
603 return 0;
604
605 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
606}
105157ad 607#endif /* CONFIG_ZLIB */
c08f9fe2 608
105157ad 609#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 610
67bf9823 611#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 612static int str_numa_cpunodes_cb(void *data, char *input)
613{
a609f12a 614 struct thread_data *td = cb_data_to_td(data);
43522848 615 struct bitmask *verify_bitmask;
d0b937ed 616
52c0cea3
JA		 617 if (parse_dryrun())
618 return 0;
619
d0b937ed
YR		 620 /* numa_parse_nodestring() parses a character string list
621 * of nodes into a bit mask. The bit mask is allocated by
622 * numa_allocate_nodemask(), so it should be freed by
623 * numa_free_nodemask().
624 */
43522848
DG		 625 verify_bitmask = numa_parse_nodestring(input);
626 if (verify_bitmask == NULL) {
d0b937ed
YR		 627 log_err("fio: numa_parse_nodestring failed\n");
628 td_verror(td, 1, "str_numa_cpunodes_cb");
629 return 1;
630 }
43522848 631 numa_free_nodemask(verify_bitmask);
d0b937ed 632
43522848 633 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 634 return 0;
635}
636
637static int str_numa_mpol_cb(void *data, char *input)
638{
a609f12a 639 struct thread_data *td = cb_data_to_td(data);
d0b937ed 640 const char * const policy_types[] =
05d6f44b 641 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 642 int i;
52c0cea3 643 char *nodelist;
43522848 644 struct bitmask *verify_bitmask;
52c0cea3
JA		 645
646 if (parse_dryrun())
647 return 0;
d0b937ed 648
52c0cea3 649 nodelist = strchr(input, ':');
d0b937ed
YR		 650 if (nodelist) {
651 /* NUL-terminate mode */
652 *nodelist++ = '\0';
653 }
654
655 for (i = 0; i <= MPOL_LOCAL; i++) {
656 if (!strcmp(input, policy_types[i])) {
657 td->o.numa_mem_mode = i;
658 break;
659 }
660 }
661 if (i > MPOL_LOCAL) {
662 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
663 goto out;
664 }
665
666 switch (td->o.numa_mem_mode) {
667 case MPOL_PREFERRED:
668 /*
669 * Insist on a nodelist of one node only
670 */
671 if (nodelist) {
672 char *rest = nodelist;
673 while (isdigit(*rest))
674 rest++;
675 if (*rest) {
676 log_err("fio: one node only for \'prefer\'\n");
677 goto out;
678 }
679 } else {
680 log_err("fio: one node is needed for \'prefer\'\n");
681 goto out;
682 }
683 break;
684 case MPOL_INTERLEAVE:
685 /*
686 * Default to online nodes with memory if no nodelist
687 */
688 if (!nodelist)
689 nodelist = strdup("all");
690 break;
691 case MPOL_LOCAL:
692 case MPOL_DEFAULT:
693 /*
694 * Don't allow a nodelist
695 */
696 if (nodelist) {
697 log_err("fio: NO nodelist for \'local\'\n");
698 goto out;
699 }
700 break;
701 case MPOL_BIND:
702 /*
703 * Insist on a nodelist
704 */
705 if (!nodelist) {
706 log_err("fio: a nodelist is needed for \'bind\'\n");
707 goto out;
708 }
709 break;
710 }
711
712
713 /* numa_parse_nodestring() parses a character string list
714 * of nodes into a bit mask. The bit mask is allocated by
715 * numa_allocate_nodemask(), so it should be freed by
716 * numa_free_nodemask().
717 */
718 switch (td->o.numa_mem_mode) {
719 case MPOL_PREFERRED:
720 td->o.numa_mem_prefer_node = atoi(nodelist);
721 break;
722 case MPOL_INTERLEAVE:
723 case MPOL_BIND:
43522848
DG		 724 verify_bitmask = numa_parse_nodestring(nodelist);
725 if (verify_bitmask == NULL) {
d0b937ed
YR		 726 log_err("fio: numa_parse_nodestring failed\n");
727 td_verror(td, 1, "str_numa_memnodes_cb");
728 return 1;
729 }
43522848
DG		 730 td->o.numa_memnodes = strdup(nodelist);
731 numa_free_nodemask(verify_bitmask);
b74e419e 732
d0b937ed
YR		 733 break;
734 case MPOL_LOCAL:
735 case MPOL_DEFAULT:
736 default:
737 break;
738 }
739
d0b937ed 740 return 0;
d0b937ed
YR		 741out:
742 return 1;
743}
744#endif
745
214e1eca
JA		 746static int str_fst_cb(void *data, const char *str)
747{
a609f12a 748 struct thread_data *td = cb_data_to_td(data);
8c07860d
JA		 749 double val;
750 bool done = false;
751 char *nr;
214e1eca
JA		 752
753 td->file_service_nr = 1;
8c07860d
JA		 754
755 switch (td->o.file_service_type) {
756 case FIO_FSERVICE_RANDOM:
757 case FIO_FSERVICE_RR:
758 case FIO_FSERVICE_SEQ:
759 nr = get_opt_postfix(str);
760 if (nr) {
761 td->file_service_nr = atoi(nr);
762 free(nr);
763 }
764 done = true;
765 break;
766 case FIO_FSERVICE_ZIPF:
767 val = FIO_DEF_ZIPF;
768 break;
769 case FIO_FSERVICE_PARETO:
770 val = FIO_DEF_PARETO;
771 break;
772 case FIO_FSERVICE_GAUSS:
773 val = 0.0;
774 break;
775 default:
776 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
777 return 1;
778 }
779
780 if (done)
781 return 0;
782
783 nr = get_opt_postfix(str);
784 if (nr && !str_to_float(nr, &val, 0)) {
785 log_err("fio: file service type random postfix parsing failed\n");
182ec6ee 786 free(nr);
8c07860d
JA		 787 return 1;
788 }
789
790 free(nr);
791
792 switch (td->o.file_service_type) {
793 case FIO_FSERVICE_ZIPF:
794 if (val == 1.00) {
795 log_err("fio: zipf theta must be different than 1.0\n");
796 return 1;
797 }
798 if (parse_dryrun())
799 return 0;
800 td->zipf_theta = val;
801 break;
802 case FIO_FSERVICE_PARETO:
803 if (val <= 0.00 || val >= 1.00) {
804 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
805 return 1;
806 }
807 if (parse_dryrun())
808 return 0;
809 td->pareto_h = val;
810 break;
811 case FIO_FSERVICE_GAUSS:
812 if (val < 0.00 || val >= 100.00) {
99c94a6b 813 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
8c07860d
JA		 814 return 1;
815 }
816 if (parse_dryrun())
817 return 0;
818 td->gauss_dev = val;
819 break;
182ec6ee 820 }
214e1eca
JA		 821
822 return 0;
823}
824
67bf9823 825#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 826static int str_sfr_cb(void *data, const char *str)
827{
a609f12a 828 struct thread_data *td = cb_data_to_td(data);
44f29692
JA		 829 char *nr = get_opt_postfix(str);
830
831 td->sync_file_range_nr = 1;
832 if (nr) {
833 td->sync_file_range_nr = atoi(nr);
834 free(nr);
835 }
836
837 return 0;
838}
3ae06371 839#endif
44f29692 840
764593c0 841static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
59466396 842 char *str, bool absolute)
e0a04ac1 843{
e0a04ac1 844 unsigned int i, perc, perc_missing, sperc, sperc_missing;
d2835319 845 struct split split;
e0a04ac1 846
d2835319 847 memset(&split, 0, sizeof(split));
e0a04ac1 848
59466396 849 if (split_parse_ddir(o, &split, ddir, str, absolute))
d2835319
JA		 850 return 1;
851 if (!split.nr)
852 return 0;
e0a04ac1 853
d2835319
JA		 854 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
855 o->zone_split_nr[ddir] = split.nr;
856 for (i = 0; i < split.nr; i++) {
857 o->zone_split[ddir][i].access_perc = split.val1[i];
59466396
JA		 858 if (absolute)
859 o->zone_split[ddir][i].size = split.val2[i];
860 else
861 o->zone_split[ddir][i].size_perc = split.val2[i];
e0a04ac1
JA		 862 }
863
e0a04ac1
JA		 864 /*
865 * Now check if the percentages add up, and how much is missing
866 */
867 perc = perc_missing = 0;
868 sperc = sperc_missing = 0;
869 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 870 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 871
872 if (zsp->access_perc == (uint8_t) -1U)
873 perc_missing++;
874 else
875 perc += zsp->access_perc;
876
59466396
JA		 877 if (!absolute) {
878 if (zsp->size_perc == (uint8_t) -1U)
879 sperc_missing++;
880 else
881 sperc += zsp->size_perc;
882 }
e0a04ac1
JA		 883 }
884
885 if (perc > 100 || sperc > 100) {
886 log_err("fio: zone_split percentages add to more than 100%%\n");
d2835319
JA		 887 free(o->zone_split[ddir]);
888 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 889 return 1;
890 }
891 if (perc < 100) {
892 log_err("fio: access percentage don't add up to 100 for zoned "
893 "random distribution (got=%u)\n", perc);
d2835319
JA		 894 free(o->zone_split[ddir]);
895 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 896 return 1;
897 }
898
899 /*
900 * If values didn't have a percentage set, divide the remains between
901 * them.
902 */
903 if (perc_missing) {
904 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
905 perc = 100;
906 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 907 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 908
909 if (zsp->access_perc == (uint8_t) -1U)
910 zsp->access_perc = (100 - perc) / perc_missing;
911 }
912 }
913 if (sperc_missing) {
914 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
915 sperc = 100;
916 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 917 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 918
919 if (zsp->size_perc == (uint8_t) -1U)
920 zsp->size_perc = (100 - sperc) / sperc_missing;
921 }
922 }
923
e0a04ac1
JA		 924 return 0;
925}
926
927static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
928{
929 unsigned int i, j, sprev, aprev;
59466396 930 uint64_t sprev_sz;
e0a04ac1
JA		 931
932 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
933
59466396 934 sprev_sz = sprev = aprev = 0;
e0a04ac1
JA		 935 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
936 struct zone_split *zsp = &td->o.zone_split[ddir][i];
937
938 for (j = aprev; j < aprev + zsp->access_perc; j++) {
939 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
940
941 zsi->size_perc = sprev + zsp->size_perc;
942 zsi->size_perc_prev = sprev;
59466396
JA		 943
944 zsi->size = sprev_sz + zsp->size;
945 zsi->size_prev = sprev_sz;
e0a04ac1
JA		 946 }
947
948 aprev += zsp->access_perc;
949 sprev += zsp->size_perc;
59466396 950 sprev_sz += zsp->size;
e0a04ac1
JA		 951 }
952}
953
954/*
955 * Generate state table for indexes, so we don't have to do it inline from
956 * the hot IO path
957 */
958static void td_zone_gen_index(struct thread_data *td)
959{
960 int i;
961
962 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
963 sizeof(struct zone_split_index *));
964
965 for (i = 0; i < DDIR_RWDIR_CNT; i++)
966 __td_zone_gen_index(td, i);
967}
968
59466396
JA		 969static int parse_zoned_distribution(struct thread_data *td, const char *input,
970 bool absolute)
e0a04ac1 971{
59466396 972 const char *pre = absolute ? "zoned_abs:" : "zoned:";
764593c0 973 char *str, *p;
e0a04ac1
JA		 974 int i, ret = 0;
975
976 p = str = strdup(input);
977
978 strip_blank_front(&str);
979 strip_blank_end(str);
980
981 /* We expect it to start like that, bail if not */
59466396 982 if (strncmp(str, pre, strlen(pre))) {
e0a04ac1
JA		 983 log_err("fio: mismatch in zoned input <%s>\n", str);
984 free(p);
985 return 1;
986 }
59466396 987 str += strlen(pre);
e0a04ac1 988
59466396 989 ret = str_split_parse(td, str, zone_split_ddir, absolute);
e0a04ac1
JA		 990
991 free(p);
992
993 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
994 int j;
995
996 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
997
998 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
999 struct zone_split *zsp = &td->o.zone_split[i][j];
1000
59466396
JA		 1001 if (absolute) {
1002 dprint(FD_PARSE, "\t%d: %u/%llu\n", j,
1003 zsp->access_perc,
1004 (unsigned long long) zsp->size);
1005 } else {
1006 dprint(FD_PARSE, "\t%d: %u/%u\n", j,
1007 zsp->access_perc,
1008 zsp->size_perc);
1009 }
e0a04ac1
JA		 1010 }
1011 }
1012
55baca06
JA		 1013 if (parse_dryrun()) {
1014 int i;
1015
1016 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1017 free(td->o.zone_split[i]);
1018 td->o.zone_split[i] = NULL;
1019 td->o.zone_split_nr[i] = 0;
1020 }
1021
1022 return ret;
1023 }
1024
e0a04ac1
JA		 1025 if (!ret)
1026 td_zone_gen_index(td);
dc4bffb8
JA		 1027 else {
1028 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1029 td->o.zone_split_nr[i] = 0;
1030 }
e0a04ac1
JA		 1031
1032 return ret;
1033}
1034
e25839d4
JA		 1035static int str_random_distribution_cb(void *data, const char *str)
1036{
a609f12a 1037 struct thread_data *td = cb_data_to_td(data);
e25839d4
JA		 1038 double val;
1039 char *nr;
1040
925fee33 1041 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1042 val = FIO_DEF_ZIPF;
925fee33 1043 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1044 val = FIO_DEF_PARETO;
56d9fa4b
JA		 1045 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1046 val = 0.0;
e0a04ac1 1047 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
59466396
JA		 1048 return parse_zoned_distribution(td, str, false);
1049 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS)
1050 return parse_zoned_distribution(td, str, true);
925fee33 1051 else
e25839d4
JA		 1052 return 0;
1053
1054 nr = get_opt_postfix(str);
88038bc7 1055 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 1056 log_err("fio: random postfix parsing failed\n");
1057 free(nr);
1058 return 1;
1059 }
1060
078189c1
JA		 1061 free(nr);
1062
18ded917
JA		 1063 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1064 if (val == 1.00) {
1065 log_err("fio: zipf theta must different than 1.0\n");
1066 return 1;
1067 }
55baca06
JA		 1068 if (parse_dryrun())
1069 return 0;
1e5324e7 1070 td->o.zipf_theta.u.f = val;
56d9fa4b 1071 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 1072 if (val <= 0.00 || val >= 1.00) {
1073 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1074 return 1;
1075 }
55baca06
JA		 1076 if (parse_dryrun())
1077 return 0;
1e5324e7 1078 td->o.pareto_h.u.f = val;
3cdb8cf3 1079 } else {
76527b19 1080 if (val < 0.00 || val >= 100.0) {
99c94a6b 1081 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA		 1082 return 1;
1083 }
55baca06
JA		 1084 if (parse_dryrun())
1085 return 0;
f88cd222 1086 td->o.gauss_dev.u.f = val;
3cdb8cf3 1087 }
921c766f
JA		 1088
1089 return 0;
1090}
1091
16e56d25
VF		 1092static int str_steadystate_cb(void *data, const char *str)
1093{
94f218f6 1094 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF		 1095 double val;
1096 char *nr;
1097 char *pct;
1098 long long ll;
1099
2c5d94bc
VF		 1100 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1101 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF		 1102 /* should be impossible to get here */
1103 log_err("fio: unknown steady state criterion\n");
1104 return 1;
1105 }
1106
1107 nr = get_opt_postfix(str);
1108 if (!nr) {
1109 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1110 free(nr);
1111 return 1;
1112 }
1113
1114 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1115 pct = strstr(nr, "%");
1116 if (pct) {
1117 *pct = '\0';
1118 strip_blank_end(nr);
1119 if (!str_to_float(nr, &val, 0)) {
1120 log_err("fio: could not parse steadystate threshold percentage\n");
1121 free(nr);
1122 return 1;
1123 }
1124
1125 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1126 free(nr);
1127 if (parse_dryrun())
1128 return 0;
1129
c8caba48 1130 td->o.ss_state |= FIO_SS_PCT;
16e56d25 1131 td->o.ss_limit.u.f = val;
c8caba48 1132 } else if (td->o.ss_state & FIO_SS_IOPS) {
16e56d25
VF		 1133 if (!str_to_float(nr, &val, 0)) {
1134 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1135 free(nr);
1136 return 1;
1137 }
1138
1139 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1140 free(nr);
1141 if (parse_dryrun())
1142 return 0;
1143
16e56d25 1144 td->o.ss_limit.u.f = val;
16e56d25
VF		 1145 } else { /* bandwidth criterion */
1146 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1147 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1148 free(nr);
1149 return 1;
1150 }
1151
1152 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1153 free(nr);
1154 if (parse_dryrun())
1155 return 0;
1156
16e56d25 1157 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF		 1158 }
1159
2c5d94bc 1160 td->ss.state = td->o.ss_state;
16e56d25
VF		 1161 return 0;
1162}
1163
8e827d35 1164/*
bcbfeefa 1165 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 1166 * is escaped with a '\', then that ':' is part of the filename and does not
1167 * indicate a new file.
1168 */
bcbfeefa 1169static char *get_next_name(char **ptr)
8e827d35
JA		 1170{
1171 char *str = *ptr;
1172 char *p, *start;
1173
1174 if (!str || !strlen(str))
1175 return NULL;
1176
1177 start = str;
1178 do {
1179 /*
1180 * No colon, we are done
1181 */
1182 p = strchr(str, ':');
1183 if (!p) {
1184 *ptr = NULL;
1185 break;
1186 }
1187
1188 /*
1189 * We got a colon, but it's the first character. Skip and
1190 * continue
1191 */
1192 if (p == start) {
1193 str = ++start;
1194 continue;
1195 }
1196
1197 if (*(p - 1) != '\\') {
1198 *p = '\0';
1199 *ptr = p + 1;
1200 break;
1201 }
1202
1203 memmove(p - 1, p, strlen(p) + 1);
1204 str = p;
1205 } while (1);
1206
1207 return start;
1208}
1209
bcbfeefa
CE		 1210
1211static int get_max_name_idx(char *input)
1212{
1213 unsigned int cur_idx;
1214 char *str, *p;
1215
1216 p = str = strdup(input);
1217 for (cur_idx = 0; ; cur_idx++)
1218 if (get_next_name(&str) == NULL)
1219 break;
1220
1221 free(p);
1222 return cur_idx;
1223}
1224
1225/*
1226 * Returns the directory at the index, indexes > entires will be
1227 * assigned via modulo division of the index
1228 */
922a5be8
JA		 1229int set_name_idx(char *target, size_t tlen, char *input, int index,
1230 bool unique_filename)
bcbfeefa
CE		 1231{
1232 unsigned int cur_idx;
1233 int len;
1234 char *fname, *str, *p;
1235
1236 p = str = strdup(input);
1237
1238 index %= get_max_name_idx(input);
1239 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1240 fname = get_next_name(&str);
1241
922a5be8 1242 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA		 1243 len = snprintf(target, tlen, "%s/%s.", fname,
1244 client_sockaddr_str);
1245 } else
1246 len = snprintf(target, tlen, "%s/", fname);
72a703da 1247
e13c3b50 1248 target[tlen - 1] = '\0';
bcbfeefa
CE		 1249 free(p);
1250
1251 return len;
1252}
1253
214e1eca
JA		 1254static int str_filename_cb(void *data, const char *input)
1255{
a609f12a 1256 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA		 1257 char *fname, *str, *p;
1258
1259 p = str = strdup(input);
1260
1261 strip_blank_front(&str);
1262 strip_blank_end(str);
1263
79591fa9
TK		 1264 /*
1265 * Ignore what we may already have from nrfiles option.
1266 */
214e1eca 1267 if (!td->files_index)
2dc1bbeb 1268 td->o.nr_files = 0;
214e1eca 1269
bcbfeefa 1270 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 1271 if (!strlen(fname))
1272 break;
5903e7b7 1273 add_file(td, fname, 0, 1);
214e1eca
JA		 1274 }
1275
1276 free(p);
1277 return 0;
1278}
1279
bcbfeefa 1280static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1281{
a609f12a 1282 struct thread_data *td = cb_data_to_td(data);
214e1eca 1283 struct stat sb;
bcbfeefa
CE		 1284 char *dirname, *str, *p;
1285 int ret = 0;
214e1eca 1286
f9633d72
JA		 1287 if (parse_dryrun())
1288 return 0;
1289
bcbfeefa
CE		 1290 p = str = strdup(td->o.directory);
1291 while ((dirname = get_next_name(&str)) != NULL) {
1292 if (lstat(dirname, &sb) < 0) {
1293 ret = errno;
921c766f 1294
bcbfeefa
CE		 1295 log_err("fio: %s is not a directory\n", dirname);
1296 td_verror(td, ret, "lstat");
1297 goto out;
1298 }
1299 if (!S_ISDIR(sb.st_mode)) {
1300 log_err("fio: %s is not a directory\n", dirname);
1301 ret = 1;
1302 goto out;
1303 }
214e1eca
JA		 1304 }
1305
bcbfeefa
CE		 1306out:
1307 free(p);
1308 return ret;
214e1eca
JA		 1309}
1310
1311static int str_opendir_cb(void *data, const char fio_unused *str)
1312{
a609f12a 1313 struct thread_data *td = cb_data_to_td(data);
214e1eca 1314
52c0cea3
JA		 1315 if (parse_dryrun())
1316 return 0;
1317
214e1eca 1318 if (!td->files_index)
2dc1bbeb 1319 td->o.nr_files = 0;
214e1eca 1320
2dc1bbeb 1321 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1322}
1323
ce35b1ec
JA		 1324static int str_buffer_pattern_cb(void *data, const char *input)
1325{
a609f12a 1326 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1327 int ret;
1328
61b9861d
RP		 1329 /* FIXME: for now buffer pattern does not support formats */
1330 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1331 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1332 if (ret < 0)
1333 return 1;
ce35b1ec 1334
61b9861d
RP		 1335 assert(ret != 0);
1336 td->o.buffer_pattern_bytes = ret;
c55fae03
JA		 1337
1338 /*
1339 * If this job is doing any reading or has compression set,
1340 * ensure that we refill buffers for writes or we could be
1341 * invalidating the pattern through reads.
1342 */
1343 if (!td->o.compress_percentage && !td_read(td))
61b9861d 1344 td->o.refill_buffers = 0;
c55fae03
JA		 1345 else
1346 td->o.refill_buffers = 1;
1347
61b9861d
RP		 1348 td->o.scramble_buffers = 0;
1349 td->o.zero_buffers = 0;
efcd9dcc 1350
61b9861d 1351 return 0;
ce35b1ec
JA		 1352}
1353
bedc9dc2
JA		 1354static int str_buffer_compress_cb(void *data, unsigned long long *il)
1355{
a609f12a 1356 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA		 1357
1358 td->flags |= TD_F_COMPRESS;
1359 td->o.compress_percentage = *il;
1360 return 0;
1361}
1362
5c94b008
JA		 1363static int str_dedupe_cb(void *data, unsigned long long *il)
1364{
a609f12a 1365 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA		 1366
1367 td->flags |= TD_F_COMPRESS;
1368 td->o.dedupe_percentage = *il;
1369 td->o.refill_buffers = 1;
1370 return 0;
1371}
1372
ce35b1ec
JA		 1373static int str_verify_pattern_cb(void *data, const char *input)
1374{
a609f12a 1375 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1376 int ret;
1377
61b9861d
RP		 1378 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1379 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA		 1380 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1381 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1382 if (ret < 0)
1383 return 1;
efcd9dcc 1384
61b9861d
RP		 1385 assert(ret != 0);
1386 td->o.verify_pattern_bytes = ret;
92bf48d5 1387 /*
b638d82f 1388 * VERIFY_* could already be set
92bf48d5 1389 */
61b9861d 1390 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1391 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1392
61b9861d 1393 return 0;
90059d65 1394}
214e1eca 1395
993bf48b
JA		 1396static int str_gtod_reduce_cb(void *data, int *il)
1397{
a609f12a 1398 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA		 1399 int val = *il;
1400
02af0988 1401 td->o.disable_lat = !!val;
993bf48b
JA		 1402 td->o.disable_clat = !!val;
1403 td->o.disable_slat = !!val;
1404 td->o.disable_bw = !!val;
0dc1bc03 1405 td->o.clat_percentiles = !val;
993bf48b 1406 if (val)
8b6a404c 1407 td->ts_cache_mask = 63;
993bf48b
JA		 1408
1409 return 0;
1410}
1411
89978a6b
BW		 1412static int str_offset_cb(void *data, unsigned long long *__val)
1413{
1414 struct thread_data *td = cb_data_to_td(data);
1415 unsigned long long v = *__val;
1416
1417 if (parse_is_percent(v)) {
1418 td->o.start_offset = 0;
1419 td->o.start_offset_percent = -1ULL - v;
872e0415
JA		 1420 dprint(FD_PARSE, "SET start_offset_percent %d\n",
1421 td->o.start_offset_percent);
89978a6b
BW		 1422 } else
1423 td->o.start_offset = v;
1424
1425 return 0;
1426}
1427
7bb59102
JA		 1428static int str_size_cb(void *data, unsigned long long *__val)
1429{
a609f12a 1430 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA		 1431 unsigned long long v = *__val;
1432
1433 if (parse_is_percent(v)) {
1434 td->o.size = 0;
1435 td->o.size_percent = -1ULL - v;
24e4321c
TK		 1436 dprint(FD_PARSE, "SET size_percent %d\n",
1437 td->o.size_percent);
7bb59102
JA		 1438 } else
1439 td->o.size = v;
1440
1441 return 0;
1442}
1443
dded427c
OS		 1444static int str_write_bw_log_cb(void *data, const char *str)
1445{
1446 struct thread_data *td = cb_data_to_td(data);
1447
1448 if (str)
1449 td->o.bw_log_file = strdup(str);
1450
1451 td->o.write_bw_log = 1;
1452 return 0;
1453}
1454
1455static int str_write_lat_log_cb(void *data, const char *str)
1456{
1457 struct thread_data *td = cb_data_to_td(data);
1458
1459 if (str)
1460 td->o.lat_log_file = strdup(str);
1461
1462 td->o.write_lat_log = 1;
1463 return 0;
1464}
1465
1466static int str_write_iops_log_cb(void *data, const char *str)
1467{
1468 struct thread_data *td = cb_data_to_td(data);
1469
1470 if (str)
1471 td->o.iops_log_file = strdup(str);
1472
1473 td->o.write_iops_log = 1;
1474 return 0;
1475}
1476
1477static int str_write_hist_log_cb(void *data, const char *str)
1478{
1479 struct thread_data *td = cb_data_to_td(data);
1480
1481 if (str)
1482 td->o.hist_log_file = strdup(str);
1483
1484 td->o.write_hist_log = 1;
1485 return 0;
1486}
1487
6730b40f
TK		 1488/*
1489 * str is supposed to be a substring of the strdup'd original string,
1490 * and is valid only if it's a regular file path.
1491 * This function keeps the pointer to the path as needed later.
1492 *
1493 * "external:/path/to/so\0" <- original pointer updated with strdup'd
1494 * "external\0" <- above pointer after parsed, i.e. ->ioengine
1495 * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
1496 */
1497static int str_ioengine_external_cb(void *data, const char *str)
1498{
1499 struct thread_data *td = cb_data_to_td(data);
1500 struct stat sb;
1501 char *p;
1502
1503 if (!str) {
1504 log_err("fio: null external ioengine path\n");
1505 return 1;
1506 }
1507
1508 p = (char *)str; /* str is mutable */
1509 strip_blank_front(&p);
1510 strip_blank_end(p);
1511
1512 if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
1513 log_err("fio: invalid external ioengine path \"%s\"\n", p);
1514 return 1;
1515 }
1516
1517 td->o.ioengine_so_path = p;
1518 return 0;
1519}
1520
896cac2a
JA		 1521static int rw_verify(struct fio_option *o, void *data)
1522{
a609f12a 1523 struct thread_data *td = cb_data_to_td(data);
896cac2a
JA		 1524
1525 if (read_only && td_write(td)) {
1526 log_err("fio: job <%s> has write bit set, but fio is in"
1527 " read-only mode\n", td->o.name);
1528 return 1;
1529 }
1530
1531 return 0;
1532}
1533
276ca4f7 1534static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1535{
276ca4f7 1536#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1537 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1538
29d43ff9
JA		 1539 if (td->o.gtod_cpu) {
1540 log_err("fio: platform must support CPU affinity for"
1541 "gettimeofday() offloading\n");
1542 return 1;
1543 }
1544#endif
1545
1546 return 0;
1547}
1548
214e1eca
JA		 1549/*
1550 * Map of job/command line options
1551 */
9af4a244 1552struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1553 {
1554 .name = "description",
e8b0e958 1555 .lname = "Description of job",
214e1eca 1556 .type = FIO_OPT_STR_STORE,
a609f12a 1557 .off1 = offsetof(struct thread_options, description),
214e1eca 1558 .help = "Text job description",
e8b0e958 1559 .category = FIO_OPT_C_GENERAL,
0626037e 1560 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1561 },
1562 {
1563 .name = "name",
e8b0e958 1564 .lname = "Job name",
214e1eca 1565 .type = FIO_OPT_STR_STORE,
a609f12a 1566 .off1 = offsetof(struct thread_options, name),
214e1eca 1567 .help = "Name of this job",
e8b0e958 1568 .category = FIO_OPT_C_GENERAL,
0626037e 1569 .group = FIO_OPT_G_DESC,
214e1eca 1570 },
9cc8cb91
AK		 1571 {
1572 .name = "wait_for",
1573 .lname = "Waitee name",
1574 .type = FIO_OPT_STR_STORE,
a609f12a 1575 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1576 .help = "Name of the job this one wants to wait for before starting",
1577 .category = FIO_OPT_C_GENERAL,
1578 .group = FIO_OPT_G_DESC,
1579 },
214e1eca
JA		 1580 {
1581 .name = "filename",
e8b0e958 1582 .lname = "Filename(s)",
214e1eca 1583 .type = FIO_OPT_STR_STORE,
a609f12a 1584 .off1 = offsetof(struct thread_options, filename),
214e1eca 1585 .cb = str_filename_cb,
f0d524b0 1586 .prio = -1, /* must come after "directory" */
214e1eca 1587 .help = "File(s) to use for the workload",
e8b0e958 1588 .category = FIO_OPT_C_FILE,
0626037e 1589 .group = FIO_OPT_G_FILENAME,
214e1eca 1590 },
90fef2d1 1591 {
e8b0e958
JA		 1592 .name = "directory",
1593 .lname = "Directory",
1594 .type = FIO_OPT_STR_STORE,
a609f12a 1595 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1596 .cb = str_directory_cb,
1597 .help = "Directory to store files in",
1598 .category = FIO_OPT_C_FILE,
0626037e 1599 .group = FIO_OPT_G_FILENAME,
90fef2d1 1600 },
de98bd30
JA		 1601 {
1602 .name = "filename_format",
922a5be8 1603 .lname = "Filename Format",
de98bd30 1604 .type = FIO_OPT_STR_STORE,
a609f12a 1605 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1606 .prio = -1, /* must come after "directory" */
1607 .help = "Override default $jobname.$jobnum.$filenum naming",
1608 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1609 .category = FIO_OPT_C_FILE,
1610 .group = FIO_OPT_G_FILENAME,
ad705bcb 1611 },
922a5be8
JA		 1612 {
1613 .name = "unique_filename",
1614 .lname = "Unique Filename",
1615 .type = FIO_OPT_BOOL,
a609f12a 1616 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1617 .help = "For network clients, prefix file with source IP",
1618 .def = "1",
1619 .category = FIO_OPT_C_FILE,
1620 .group = FIO_OPT_G_FILENAME,
1621 },
29c1349f
JA		 1622 {
1623 .name = "lockfile",
e8b0e958 1624 .lname = "Lockfile",
4d4e80f2 1625 .type = FIO_OPT_STR,
a609f12a 1626 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1627 .help = "Lock file when doing IO to it",
bc6a0a5d 1628 .prio = 1,
29c1349f 1629 .parent = "filename",
d71c154c 1630 .hide = 0,
4d4e80f2 1631 .def = "none",
e8b0e958 1632 .category = FIO_OPT_C_FILE,
0626037e 1633 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1634 .posval = {
1635 { .ival = "none",
1636 .oval = FILE_LOCK_NONE,
1637 .help = "No file locking",
1638 },
1639 { .ival = "exclusive",
1640 .oval = FILE_LOCK_EXCLUSIVE,
1641 .help = "Exclusive file lock",
1642 },
1643 {
1644 .ival = "readwrite",
1645 .oval = FILE_LOCK_READWRITE,
1646 .help = "Read vs write lock",
1647 },
1648 },
29c1349f 1649 },
214e1eca
JA		 1650 {
1651 .name = "opendir",
e8b0e958 1652 .lname = "Open directory",
214e1eca 1653 .type = FIO_OPT_STR_STORE,
a609f12a 1654 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1655 .cb = str_opendir_cb,
1656 .help = "Recursively add files from this directory and down",
e8b0e958 1657 .category = FIO_OPT_C_FILE,
0626037e 1658 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1659 },
1660 {
1661 .name = "rw",
e8b0e958 1662 .lname = "Read/write",
d3aad8f2 1663 .alias = "readwrite",
214e1eca 1664 .type = FIO_OPT_STR,
211097b2 1665 .cb = str_rw_cb,
a609f12a 1666 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1667 .help = "IO direction",
1668 .def = "read",
896cac2a 1669 .verify = rw_verify,
e8b0e958 1670 .category = FIO_OPT_C_IO,
0626037e 1671 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1672 .posval = {
1673 { .ival = "read",
1674 .oval = TD_DDIR_READ,
1675 .help = "Sequential read",
1676 },
1677 { .ival = "write",
1678 .oval = TD_DDIR_WRITE,
1679 .help = "Sequential write",
1680 },
6eaf09d6
SL		 1681 { .ival = "trim",
1682 .oval = TD_DDIR_TRIM,
1683 .help = "Sequential trim",
1684 },
214e1eca
JA		 1685 { .ival = "randread",
1686 .oval = TD_DDIR_RANDREAD,
1687 .help = "Random read",
1688 },
1689 { .ival = "randwrite",
1690 .oval = TD_DDIR_RANDWRITE,
1691 .help = "Random write",
1692 },
6eaf09d6
SL		 1693 { .ival = "randtrim",
1694 .oval = TD_DDIR_RANDTRIM,
1695 .help = "Random trim",
1696 },
214e1eca
JA		 1697 { .ival = "rw",
1698 .oval = TD_DDIR_RW,
1699 .help = "Sequential read and write mix",
1700 },
10b023db
JA		 1701 { .ival = "readwrite",
1702 .oval = TD_DDIR_RW,
1703 .help = "Sequential read and write mix",
1704 },
214e1eca
JA		 1705 { .ival = "randrw",
1706 .oval = TD_DDIR_RANDRW,
1707 .help = "Random read and write mix"
1708 },
82a90686
JA		 1709 { .ival = "trimwrite",
1710 .oval = TD_DDIR_TRIMWRITE,
1711 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1712 },
214e1eca
JA		 1713 },
1714 },
38dad62d
JA		 1715 {
1716 .name = "rw_sequencer",
e8b0e958 1717 .lname = "RW Sequencer",
38dad62d 1718 .type = FIO_OPT_STR,
a609f12a 1719 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1720 .help = "IO offset generator modifier",
1721 .def = "sequential",
e8b0e958 1722 .category = FIO_OPT_C_IO,
0626037e 1723 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1724 .posval = {
1725 { .ival = "sequential",
1726 .oval = RW_SEQ_SEQ,
1727 .help = "Generate sequential offsets",
1728 },
1729 { .ival = "identical",
1730 .oval = RW_SEQ_IDENT,
1731 .help = "Generate identical offsets",
1732 },
1733 },
1734 },
1735
214e1eca
JA		 1736 {
1737 .name = "ioengine",
e8b0e958 1738 .lname = "IO Engine",
214e1eca 1739 .type = FIO_OPT_STR_STORE,
a609f12a 1740 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1741 .help = "IO engine to use",
58483fa4 1742 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1743 .category = FIO_OPT_C_IO,
0626037e 1744 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1745 .posval = {
1746 { .ival = "sync",
1747 .help = "Use read/write",
1748 },
a31041ea 1749 { .ival = "psync",
1750 .help = "Use pread/pwrite",
1751 },
1d2af02a 1752 { .ival = "vsync",
03e20d68 1753 .help = "Use readv/writev",
1d2af02a 1754 },
07fc0acd
JA		 1755#ifdef CONFIG_PWRITEV
1756 { .ival = "pvsync",
1757 .help = "Use preadv/pwritev",
1758 },
1759#endif
6562685f 1760#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1761 { .ival = "pvsync2",
1762 .help = "Use preadv2/pwritev2",
1763 },
1764#endif
67bf9823 1765#ifdef CONFIG_LIBAIO
214e1eca
JA		 1766 { .ival = "libaio",
1767 .help = "Linux native asynchronous IO",
1768 },
1769#endif
67bf9823 1770#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1771 { .ival = "posixaio",
1772 .help = "POSIX asynchronous IO",
1773 },
417f0068 1774#endif
997843cb 1775#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1776 { .ival = "solarisaio",
1777 .help = "Solaris native asynchronous IO",
1778 },
214e1eca 1779#endif
4700b234 1780#ifdef CONFIG_WINDOWSAIO
03e20d68 1781 { .ival = "windowsaio",
3be80071 1782 .help = "Windows native asynchronous IO"
de890a1e 1783 },
fc5c0345
DG		 1784#endif
1785#ifdef CONFIG_RBD
1786 { .ival = "rbd",
1787 .help = "Rados Block Device asynchronous IO"
1788 },
3be80071 1789#endif
214e1eca 1790 { .ival = "mmap",
03e20d68 1791 .help = "Memory mapped IO"
214e1eca 1792 },
67bf9823 1793#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1794 { .ival = "splice",
1795 .help = "splice/vmsplice based IO",
1796 },
9cce02e8
JA		 1797 { .ival = "netsplice",
1798 .help = "splice/vmsplice to/from the network",
1799 },
214e1eca
JA		 1800#endif
1801#ifdef FIO_HAVE_SGIO
1802 { .ival = "sg",
1803 .help = "SCSI generic v3 IO",
1804 },
1805#endif
1806 { .ival = "null",
1807 .help = "Testing engine (no data transfer)",
1808 },
1809 { .ival = "net",
1810 .help = "Network IO",
1811 },
214e1eca 1812 { .ival = "cpuio",
03e20d68 1813 .help = "CPU cycle burner engine",
214e1eca 1814 },
67bf9823 1815#ifdef CONFIG_GUASI
b8c82a46
JA		 1816 { .ival = "guasi",
1817 .help = "GUASI IO engine",
1818 },
79a43187
JA		 1819#endif
1820#ifdef FIO_HAVE_BINJECT
1821 { .ival = "binject",
1822 .help = "binject direct inject block engine",
1823 },
21b8aee8 1824#endif
67bf9823 1825#ifdef CONFIG_RDMA
21b8aee8 1826 { .ival = "rdma",
1827 .help = "RDMA IO engine",
1828 },
8200b8c7 1829#endif
67bf9823 1830#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1831 { .ival = "fusion-aw-sync",
1832 .help = "Fusion-io atomic write engine",
1833 },
1ecc95ca 1834#endif
997843cb 1835#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1836 { .ival = "e4defrag",
1837 .help = "ext4 defrag engine",
1838 },
1839#endif
997843cb 1840#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1841 { .ival = "falloc",
1842 .help = "fallocate() file based engine",
1843 },
b8c82a46 1844#endif
a7c386f4 1845#ifdef CONFIG_GFAPI
1846 { .ival = "gfapi",
cc47f094 1847 .help = "Glusterfs libgfapi(sync) based engine"
1848 },
1849 { .ival = "gfapi_async",
1850 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1851 },
1852#endif
1b10477b 1853#ifdef CONFIG_LIBHDFS
b74e419e 1854 { .ival = "libhdfs",
1b10477b
MM		 1855 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1856 },
5c4ef02e
JA		 1857#endif
1858#ifdef CONFIG_PMEMBLK
1859 { .ival = "pmemblk",
1860 .help = "NVML libpmemblk based IO engine",
1861 },
1862
104ee4de
DJ		 1863#endif
1864#ifdef CONFIG_LINUX_DEVDAX
1865 { .ival = "dev-dax",
1866 .help = "DAX Device based IO engine",
1867 },
1b10477b 1868#endif
edc5fa12
JA		 1869 {
1870 .ival = "filecreate",
1871 .help = "File creation engine",
1872 },
214e1eca
JA		 1873 { .ival = "external",
1874 .help = "Load external engine (append name)",
6730b40f 1875 .cb = str_ioengine_external_cb,
214e1eca 1876 },
ae0db592
TI		 1877#ifdef CONFIG_LIBPMEM
1878 { .ival = "libpmem",
1879 .help = "NVML libpmem based IO engine",
1880 },
1881#endif
214e1eca
JA		 1882 },
1883 },
1884 {
1885 .name = "iodepth",
e8b0e958 1886 .lname = "IO Depth",
214e1eca 1887 .type = FIO_OPT_INT,
a609f12a 1888 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1889 .help = "Number of IO buffers to keep in flight",
757aff4f 1890 .minval = 1,
20eb06bd 1891 .interval = 1,
214e1eca 1892 .def = "1",
e8b0e958 1893 .category = FIO_OPT_C_IO,
0626037e 1894 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1895 },
1896 {
1897 .name = "iodepth_batch",
e8b0e958 1898 .lname = "IO Depth batch",
4950421a 1899 .alias = "iodepth_batch_submit",
214e1eca 1900 .type = FIO_OPT_INT,
a609f12a 1901 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1902 .help = "Number of IO buffers to submit in one go",
afdf9352 1903 .parent = "iodepth",
d71c154c 1904 .hide = 1,
20eb06bd 1905 .interval = 1,
a2e6f8ac 1906 .def = "1",
e8b0e958 1907 .category = FIO_OPT_C_IO,
0626037e 1908 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1909 },
1910 {
82407585
RP		 1911 .name = "iodepth_batch_complete_min",
1912 .lname = "Min IO depth batch complete",
1913 .alias = "iodepth_batch_complete",
4950421a 1914 .type = FIO_OPT_INT,
a609f12a 1915 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1916 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1917 .parent = "iodepth",
d71c154c 1918 .hide = 1,
4950421a 1919 .minval = 0,
20eb06bd 1920 .interval = 1,
4950421a 1921 .def = "1",
e8b0e958 1922 .category = FIO_OPT_C_IO,
0626037e 1923 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1924 },
82407585
RP		 1925 {
1926 .name = "iodepth_batch_complete_max",
1927 .lname = "Max IO depth batch complete",
1928 .type = FIO_OPT_INT,
a609f12a 1929 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1930 .help = "Max number of IO buffers to retrieve in one go",
1931 .parent = "iodepth",
1932 .hide = 1,
1933 .minval = 0,
1934 .interval = 1,
1935 .category = FIO_OPT_C_IO,
1936 .group = FIO_OPT_G_IO_BASIC,
1937 },
214e1eca
JA		 1938 {
1939 .name = "iodepth_low",
e8b0e958 1940 .lname = "IO Depth batch low",
214e1eca 1941 .type = FIO_OPT_INT,
a609f12a 1942 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1943 .help = "Low water mark for queuing depth",
afdf9352 1944 .parent = "iodepth",
d71c154c 1945 .hide = 1,
20eb06bd 1946 .interval = 1,
e8b0e958 1947 .category = FIO_OPT_C_IO,
0626037e 1948 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1949 },
997b5680
SW		 1950 {
1951 .name = "serialize_overlap",
1952 .lname = "Serialize overlap",
1953 .off1 = offsetof(struct thread_options, serialize_overlap),
1954 .type = FIO_OPT_BOOL,
1955 .help = "Wait for in-flight IOs that collide to complete",
1956 .parent = "iodepth",
1957 .def = "0",
1958 .category = FIO_OPT_C_IO,
1959 .group = FIO_OPT_G_IO_BASIC,
1960 },
a9da8ab2
JA		 1961 {
1962 .name = "io_submit_mode",
1963 .lname = "IO submit mode",
1964 .type = FIO_OPT_STR,
a609f12a 1965 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1966 .help = "How IO submissions and completions are done",
1967 .def = "inline",
1968 .category = FIO_OPT_C_IO,
1969 .group = FIO_OPT_G_IO_BASIC,
1970 .posval = {
1971 { .ival = "inline",
1972 .oval = IO_MODE_INLINE,
1973 .help = "Submit and complete IO inline",
1974 },
1975 { .ival = "offload",
1976 .oval = IO_MODE_OFFLOAD,
1977 .help = "Offload submit and complete to threads",
1978 },
1979 },
1980 },
214e1eca
JA		 1981 {
1982 .name = "size",
e8b0e958 1983 .lname = "Size",
214e1eca 1984 .type = FIO_OPT_STR_VAL,
7bb59102 1985 .cb = str_size_cb,
a609f12a 1986 .off1 = offsetof(struct thread_options, size),
214e1eca 1987 .help = "Total size of device or files",
20eb06bd 1988 .interval = 1024 * 1024,
e8b0e958
JA		 1989 .category = FIO_OPT_C_IO,
1990 .group = FIO_OPT_G_INVALID,
214e1eca 1991 },
77731b29 1992 {
a4d3b4db
JA		 1993 .name = "io_size",
1994 .alias = "io_limit",
1995 .lname = "IO Size",
77731b29 1996 .type = FIO_OPT_STR_VAL,
5be9bf09 1997 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 1998 .help = "Total size of I/O to be performed",
77731b29
JA		 1999 .interval = 1024 * 1024,
2000 .category = FIO_OPT_C_IO,
2001 .group = FIO_OPT_G_INVALID,
2002 },
aa31f1f1
SL		 2003 {
2004 .name = "fill_device",
e8b0e958 2005 .lname = "Fill device",
74586c1e 2006 .alias = "fill_fs",
aa31f1f1 2007 .type = FIO_OPT_BOOL,
a609f12a 2008 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 2009 .help = "Write until an ENOSPC error occurs",
2010 .def = "0",
e8b0e958
JA		 2011 .category = FIO_OPT_C_FILE,
2012 .group = FIO_OPT_G_INVALID,
aa31f1f1 2013 },
214e1eca
JA		 2014 {
2015 .name = "filesize",
e8b0e958 2016 .lname = "File size",
214e1eca 2017 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 2018 .off1 = offsetof(struct thread_options, file_size_low),
2019 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 2020 .minval = 1,
214e1eca 2021 .help = "Size of individual files",
20eb06bd 2022 .interval = 1024 * 1024,
e8b0e958
JA		 2023 .category = FIO_OPT_C_FILE,
2024 .group = FIO_OPT_G_INVALID,
214e1eca 2025 },
bedc9dc2
JA		 2026 {
2027 .name = "file_append",
2028 .lname = "File append",
2029 .type = FIO_OPT_BOOL,
a609f12a 2030 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 2031 .help = "IO will start at the end of the file(s)",
2032 .def = "0",
2033 .category = FIO_OPT_C_FILE,
2034 .group = FIO_OPT_G_INVALID,
2035 },
67a1000f
JA		 2036 {
2037 .name = "offset",
e8b0e958 2038 .lname = "IO offset",
67a1000f
JA		 2039 .alias = "fileoffset",
2040 .type = FIO_OPT_STR_VAL,
89978a6b 2041 .cb = str_offset_cb,
a609f12a 2042 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 2043 .help = "Start IO from this offset",
2044 .def = "0",
20eb06bd 2045 .interval = 1024 * 1024,
e8b0e958
JA		 2046 .category = FIO_OPT_C_IO,
2047 .group = FIO_OPT_G_INVALID,
67a1000f 2048 },
83c8b093
JF		 2049 {
2050 .name = "offset_align",
2051 .lname = "IO offset alignment",
2052 .type = FIO_OPT_INT,
2053 .off1 = offsetof(struct thread_options, start_offset_align),
2054 .help = "Start IO from this offset alignment",
2055 .def = "0",
2056 .interval = 512,
2057 .category = FIO_OPT_C_IO,
2058 .group = FIO_OPT_G_INVALID,
2059 },
2d7cd868
JA		 2060 {
2061 .name = "offset_increment",
e8b0e958 2062 .lname = "IO offset increment",
2d7cd868 2063 .type = FIO_OPT_STR_VAL,
a609f12a 2064 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 2065 .help = "What is the increment from one offset to the next",
2066 .parent = "offset",
d71c154c 2067 .hide = 1,
2d7cd868 2068 .def = "0",
20eb06bd 2069 .interval = 1024 * 1024,
e8b0e958
JA		 2070 .category = FIO_OPT_C_IO,
2071 .group = FIO_OPT_G_INVALID,
2d7cd868 2072 },
ddf24e42
JA		 2073 {
2074 .name = "number_ios",
2075 .lname = "Number of IOs to perform",
2076 .type = FIO_OPT_STR_VAL,
a609f12a 2077 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2078 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 2079 .def = "0",
2080 .category = FIO_OPT_C_IO,
2081 .group = FIO_OPT_G_INVALID,
2082 },
214e1eca
JA		 2083 {
2084 .name = "bs",
e8b0e958 2085 .lname = "Block size",
d3aad8f2 2086 .alias = "blocksize",
e01b22b8 2087 .type = FIO_OPT_INT,
a609f12a
JA		 2088 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2089 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2090 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2091 .minval = 1,
214e1eca 2092 .help = "Block size unit",
2b9136a3 2093 .def = "4096",
67a1000f 2094 .parent = "rw",
d71c154c 2095 .hide = 1,
20eb06bd 2096 .interval = 512,
e8b0e958
JA		 2097 .category = FIO_OPT_C_IO,
2098 .group = FIO_OPT_G_INVALID,
214e1eca 2099 },
2b7a01d0
JA		 2100 {
2101 .name = "ba",
e8b0e958 2102 .lname = "Block size align",
2b7a01d0 2103 .alias = "blockalign",
e01b22b8 2104 .type = FIO_OPT_INT,
a609f12a
JA		 2105 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2106 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2107 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2108 .minval = 1,
2109 .help = "IO block offset alignment",
2110 .parent = "rw",
d71c154c 2111 .hide = 1,
20eb06bd 2112 .interval = 512,
e8b0e958
JA		 2113 .category = FIO_OPT_C_IO,
2114 .group = FIO_OPT_G_INVALID,
2b7a01d0 2115 },
214e1eca
JA		 2116 {
2117 .name = "bsrange",
e8b0e958 2118 .lname = "Block size range",
d3aad8f2 2119 .alias = "blocksize_range",
214e1eca 2120 .type = FIO_OPT_RANGE,
a609f12a
JA		 2121 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2122 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2123 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2124 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2125 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2126 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2127 .minval = 1,
214e1eca 2128 .help = "Set block size range (in more detail than bs)",
67a1000f 2129 .parent = "rw",
d71c154c 2130 .hide = 1,
20eb06bd 2131 .interval = 4096,
e8b0e958
JA		 2132 .category = FIO_OPT_C_IO,
2133 .group = FIO_OPT_G_INVALID,
214e1eca 2134 },
564ca972
JA		 2135 {
2136 .name = "bssplit",
e8b0e958 2137 .lname = "Block size split",
564ca972
JA		 2138 .type = FIO_OPT_STR,
2139 .cb = str_bssplit_cb,
a609f12a 2140 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2141 .help = "Set a specific mix of block sizes",
2142 .parent = "rw",
d71c154c 2143 .hide = 1,
e8b0e958
JA		 2144 .category = FIO_OPT_C_IO,
2145 .group = FIO_OPT_G_INVALID,
564ca972 2146 },
214e1eca
JA		 2147 {
2148 .name = "bs_unaligned",
e8b0e958 2149 .lname = "Block size unaligned",
d3aad8f2 2150 .alias = "blocksize_unaligned",
214e1eca 2151 .type = FIO_OPT_STR_SET,
a609f12a 2152 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2153 .help = "Don't sector align IO buffer sizes",
67a1000f 2154 .parent = "rw",
d71c154c 2155 .hide = 1,
e8b0e958
JA		 2156 .category = FIO_OPT_C_IO,
2157 .group = FIO_OPT_G_INVALID,
214e1eca 2158 },
6aca9b3d
JA		 2159 {
2160 .name = "bs_is_seq_rand",
2161 .lname = "Block size division is seq/random (not read/write)",
2162 .type = FIO_OPT_BOOL,
a609f12a 2163 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2164 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2165 .def = "0",
2166 .parent = "blocksize",
2167 .category = FIO_OPT_C_IO,
2168 .group = FIO_OPT_G_INVALID,
2169 },
214e1eca
JA		 2170 {
2171 .name = "randrepeat",
e8b0e958 2172 .lname = "Random repeatable",
214e1eca 2173 .type = FIO_OPT_BOOL,
a609f12a 2174 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2175 .help = "Use repeatable random IO pattern",
2176 .def = "1",
67a1000f 2177 .parent = "rw",
d71c154c 2178 .hide = 1,
e8b0e958 2179 .category = FIO_OPT_C_IO,
3ceb458f 2180 .group = FIO_OPT_G_RANDOM,
214e1eca 2181 },
04778baf
JA		 2182 {
2183 .name = "randseed",
2184 .lname = "The random generator seed",
363cffa7 2185 .type = FIO_OPT_STR_VAL,
a609f12a 2186 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2187 .help = "Set the random generator seed value",
40fe5e7b 2188 .def = "0x89",
04778baf
JA		 2189 .parent = "rw",
2190 .category = FIO_OPT_C_IO,
2191 .group = FIO_OPT_G_RANDOM,
2192 },
2615cc4b
JA		 2193 {
2194 .name = "use_os_rand",
e8b0e958 2195 .lname = "Use OS random",
54a21917 2196 .type = FIO_OPT_DEPRECATED,
a609f12a 2197 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2198 .category = FIO_OPT_C_IO,
3ceb458f 2199 .group = FIO_OPT_G_RANDOM,
2615cc4b 2200 },
214e1eca
JA		 2201 {
2202 .name = "norandommap",
e8b0e958 2203 .lname = "No randommap",
214e1eca 2204 .type = FIO_OPT_STR_SET,
a609f12a 2205 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2206 .help = "Accept potential duplicate random blocks",
67a1000f 2207 .parent = "rw",
d71c154c 2208 .hide = 1,
b2452a43 2209 .hide_on_set = 1,
e8b0e958 2210 .category = FIO_OPT_C_IO,
3ceb458f 2211 .group = FIO_OPT_G_RANDOM,
214e1eca 2212 },
2b386d25
JA		 2213 {
2214 .name = "softrandommap",
e8b0e958 2215 .lname = "Soft randommap",
2b386d25 2216 .type = FIO_OPT_BOOL,
a609f12a 2217 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2218 .help = "Set norandommap if randommap allocation fails",
2b386d25 2219 .parent = "norandommap",
d71c154c 2220 .hide = 1,
2b386d25 2221 .def = "0",
e8b0e958 2222 .category = FIO_OPT_C_IO,
3ceb458f 2223 .group = FIO_OPT_G_RANDOM,
2b386d25 2224 },
8055e41d
JA		 2225 {
2226 .name = "random_generator",
cce2fdfe 2227 .lname = "Random Generator",
8055e41d 2228 .type = FIO_OPT_STR,
a609f12a 2229 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2230 .help = "Type of random number generator to use",
2231 .def = "tausworthe",
2232 .posval = {
2233 { .ival = "tausworthe",
2234 .oval = FIO_RAND_GEN_TAUSWORTHE,
2235 .help = "Strong Tausworthe generator",
2236 },
2237 { .ival = "lfsr",
2238 .oval = FIO_RAND_GEN_LFSR,
2239 .help = "Variable length LFSR",
2240 },
c3546b53
JA		 2241 {
2242 .ival = "tausworthe64",
2243 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2244 .help = "64-bit Tausworthe variant",
2245 },
8055e41d 2246 },
48107598
JA		 2247 .category = FIO_OPT_C_IO,
2248 .group = FIO_OPT_G_RANDOM,
8055e41d 2249 },
e25839d4
JA		 2250 {
2251 .name = "random_distribution",
cce2fdfe 2252 .lname = "Random Distribution",
e25839d4 2253 .type = FIO_OPT_STR,
a609f12a 2254 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2255 .cb = str_random_distribution_cb,
2256 .help = "Random offset distribution generator",
2257 .def = "random",
2258 .posval = {
2259 { .ival = "random",
2260 .oval = FIO_RAND_DIST_RANDOM,
2261 .help = "Completely random",
2262 },
2263 { .ival = "zipf",
2264 .oval = FIO_RAND_DIST_ZIPF,
2265 .help = "Zipf distribution",
2266 },
925fee33
JA		 2267 { .ival = "pareto",
2268 .oval = FIO_RAND_DIST_PARETO,
2269 .help = "Pareto distribution",
2270 },
56d9fa4b
JA		 2271 { .ival = "normal",
2272 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2273 .help = "Normal (Gaussian) distribution",
56d9fa4b 2274 },
e0a04ac1
JA		 2275 { .ival = "zoned",
2276 .oval = FIO_RAND_DIST_ZONED,
2277 .help = "Zoned random distribution",
2278 },
59466396
JA		 2279 { .ival = "zoned_abs",
2280 .oval = FIO_RAND_DIST_ZONED_ABS,
2281 .help = "Zoned absolute random distribution",
2282 },
e25839d4 2283 },
48107598
JA		 2284 .category = FIO_OPT_C_IO,
2285 .group = FIO_OPT_G_RANDOM,
e25839d4 2286 },
211c9b89
JA		 2287 {
2288 .name = "percentage_random",
2289 .lname = "Percentage Random",
2290 .type = FIO_OPT_INT,
a609f12a
JA		 2291 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2292 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2293 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2294 .maxval = 100,
2295 .help = "Percentage of seq/random mix that should be random",
d9472271 2296 .def = "100,100,100",
211c9b89
JA		 2297 .interval = 5,
2298 .inverse = "percentage_sequential",
2299 .category = FIO_OPT_C_IO,
2300 .group = FIO_OPT_G_RANDOM,
2301 },
2302 {
2303 .name = "percentage_sequential",
2304 .lname = "Percentage Sequential",
d9472271 2305 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2306 .category = FIO_OPT_C_IO,
2307 .group = FIO_OPT_G_RANDOM,
2308 },
56e2a5fc
CE		 2309 {
2310 .name = "allrandrepeat",
cce2fdfe 2311 .lname = "All Random Repeat",
56e2a5fc 2312 .type = FIO_OPT_BOOL,
a609f12a 2313 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2314 .help = "Use repeatable random numbers for everything",
2315 .def = "0",
a869d9c6
JA		 2316 .category = FIO_OPT_C_IO,
2317 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2318 },
214e1eca
JA		 2319 {
2320 .name = "nrfiles",
e8b0e958 2321 .lname = "Number of files",
d7c8be03 2322 .alias = "nr_files",
214e1eca 2323 .type = FIO_OPT_INT,
a609f12a 2324 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2325 .help = "Split job workload between this number of files",
2326 .def = "1",
20eb06bd 2327 .interval = 1,
e8b0e958
JA		 2328 .category = FIO_OPT_C_FILE,
2329 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2330 },
2331 {
2332 .name = "openfiles",
e8b0e958 2333 .lname = "Number of open files",
214e1eca 2334 .type = FIO_OPT_INT,
a609f12a 2335 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2336 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2337 .category = FIO_OPT_C_FILE,
2338 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2339 },
2340 {
2341 .name = "file_service_type",
e8b0e958 2342 .lname = "File service type",
214e1eca
JA		 2343 .type = FIO_OPT_STR,
2344 .cb = str_fst_cb,
a609f12a 2345 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2346 .help = "How to select which file to service next",
2347 .def = "roundrobin",
e8b0e958
JA		 2348 .category = FIO_OPT_C_FILE,
2349 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2350 .posval = {
2351 { .ival = "random",
2352 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2353 .help = "Choose a file at random (uniform)",
2354 },
2355 { .ival = "zipf",
2356 .oval = FIO_FSERVICE_ZIPF,
2357 .help = "Zipf randomized",
2358 },
2359 { .ival = "pareto",
2360 .oval = FIO_FSERVICE_PARETO,
2361 .help = "Pareto randomized",
2362 },
dd3503d3
SW		 2363 { .ival = "normal",
2364 .oval = FIO_FSERVICE_GAUSS,
2365 .help = "Normal (Gaussian) randomized",
2366 },
8c07860d
JA		 2367 { .ival = "gauss",
2368 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2369 .help = "Alias for normal",
214e1eca
JA		 2370 },
2371 { .ival = "roundrobin",
2372 .oval = FIO_FSERVICE_RR,
2373 .help = "Round robin select files",
2374 },
a086c257
JA		 2375 { .ival = "sequential",
2376 .oval = FIO_FSERVICE_SEQ,
2377 .help = "Finish one file before moving to the next",
2378 },
214e1eca 2379 },
67a1000f 2380 .parent = "nrfiles",
d71c154c 2381 .hide = 1,
67a1000f 2382 },
cbbdf1c8 2383#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA		 2384 {
2385 .name = "fallocate",
e8b0e958 2386 .lname = "Fallocate",
a596f047 2387 .type = FIO_OPT_STR,
a609f12a 2388 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2389 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2390 .def = "native",
e8b0e958
JA		 2391 .category = FIO_OPT_C_FILE,
2392 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2393 .posval = {
2394 { .ival = "none",
2395 .oval = FIO_FALLOCATE_NONE,
2396 .help = "Do not pre-allocate space",
2397 },
2c3e17be
SW		 2398 { .ival = "native",
2399 .oval = FIO_FALLOCATE_NATIVE,
2400 .help = "Use native pre-allocation if possible",
2401 },
2402#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2403 { .ival = "posix",
2404 .oval = FIO_FALLOCATE_POSIX,
2405 .help = "Use posix_fallocate()",
2406 },
2c3e17be 2407#endif
97ac992c 2408#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2409 { .ival = "keep",
2410 .oval = FIO_FALLOCATE_KEEP_SIZE,
2411 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2412 },
7bc8c2cf 2413#endif
a596f047
EG		 2414 /* Compatibility with former boolean values */
2415 { .ival = "0",
2416 .oval = FIO_FALLOCATE_NONE,
2417 .help = "Alias for 'none'",
2418 },
2c3e17be 2419#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2420 { .ival = "1",
2421 .oval = FIO_FALLOCATE_POSIX,
2422 .help = "Alias for 'posix'",
2423 },
2c3e17be 2424#endif
a596f047
EG		 2425 },
2426 },
cbbdf1c8 2427#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA		 2428 {
2429 .name = "fallocate",
2430 .lname = "Fallocate",
2431 .type = FIO_OPT_UNSUPPORTED,
2432 .help = "Your platform does not support fallocate",
2433 },
cbbdf1c8 2434#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA		 2435 {
2436 .name = "fadvise_hint",
e8b0e958 2437 .lname = "Fadvise hint",
ecb2083d 2438 .type = FIO_OPT_STR,
a609f12a 2439 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2440 .posval = {
2441 { .ival = "0",
2442 .oval = F_ADV_NONE,
2443 .help = "Don't issue fadvise",
2444 },
2445 { .ival = "1",
2446 .oval = F_ADV_TYPE,
2447 .help = "Advise using fio IO pattern",
2448 },
2449 { .ival = "random",
2450 .oval = F_ADV_RANDOM,
2451 .help = "Advise using FADV_RANDOM",
2452 },
2453 { .ival = "sequential",
2454 .oval = F_ADV_SEQUENTIAL,
2455 .help = "Advise using FADV_SEQUENTIAL",
2456 },
2457 },
67a1000f
JA		 2458 .help = "Use fadvise() to advise the kernel on IO pattern",
2459 .def = "1",
e8b0e958
JA		 2460 .category = FIO_OPT_C_FILE,
2461 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2462 },
2463 {
2464 .name = "fsync",
e8b0e958 2465 .lname = "Fsync",
214e1eca 2466 .type = FIO_OPT_INT,
a609f12a 2467 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2468 .help = "Issue fsync for writes every given number of blocks",
2469 .def = "0",
20eb06bd 2470 .interval = 1,
e8b0e958
JA		 2471 .category = FIO_OPT_C_FILE,
2472 .group = FIO_OPT_G_INVALID,
214e1eca 2473 },
5f9099ea
JA		 2474 {
2475 .name = "fdatasync",
e8b0e958 2476 .lname = "Fdatasync",
5f9099ea 2477 .type = FIO_OPT_INT,
a609f12a 2478 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2479 .help = "Issue fdatasync for writes every given number of blocks",
2480 .def = "0",
20eb06bd 2481 .interval = 1,
e8b0e958
JA		 2482 .category = FIO_OPT_C_FILE,
2483 .group = FIO_OPT_G_INVALID,
5f9099ea 2484 },
1ef2b6be
JA		 2485 {
2486 .name = "write_barrier",
e8b0e958 2487 .lname = "Write barrier",
1ef2b6be 2488 .type = FIO_OPT_INT,
a609f12a 2489 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2490 .help = "Make every Nth write a barrier write",
2491 .def = "0",
20eb06bd 2492 .interval = 1,
e8b0e958
JA		 2493 .category = FIO_OPT_C_IO,
2494 .group = FIO_OPT_G_INVALID,
1ef2b6be 2495 },
67bf9823 2496#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2497 {
2498 .name = "sync_file_range",
e8b0e958 2499 .lname = "Sync file range",
44f29692
JA		 2500 .posval = {
2501 { .ival = "wait_before",
2502 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2503 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2504 .orval = 1,
44f29692
JA		 2505 },
2506 { .ival = "write",
2507 .oval = SYNC_FILE_RANGE_WRITE,
2508 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2509 .orval = 1,
44f29692
JA		 2510 },
2511 {
2512 .ival = "wait_after",
2513 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2514 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2515 .orval = 1,
44f29692
JA		 2516 },
2517 },
3843deb3 2518 .type = FIO_OPT_STR_MULTI,
44f29692 2519 .cb = str_sfr_cb,
a609f12a 2520 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2521 .help = "Use sync_file_range()",
e8b0e958
JA		 2522 .category = FIO_OPT_C_FILE,
2523 .group = FIO_OPT_G_INVALID,
44f29692 2524 },
a275c37a 2525#else
54d0a315 2526 {
a275c37a
JA		 2527 .name = "sync_file_range",
2528 .lname = "Sync file range",
2529 .type = FIO_OPT_UNSUPPORTED,
2530 .help = "Your platform does not support sync_file_range",
2531 },
44f29692 2532#endif
214e1eca
JA		 2533 {
2534 .name = "direct",
e8b0e958 2535 .lname = "Direct I/O",
214e1eca 2536 .type = FIO_OPT_BOOL,
a609f12a 2537 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2538 .help = "Use O_DIRECT IO (negates buffered)",
2539 .def = "0",
a01a1bc5 2540 .inverse = "buffered",
e8b0e958 2541 .category = FIO_OPT_C_IO,
3ceb458f 2542 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2543 },
d01612f3
CM		 2544 {
2545 .name = "atomic",
2546 .lname = "Atomic I/O",
2547 .type = FIO_OPT_BOOL,
a609f12a 2548 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2549 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2550 .def = "0",
2551 .category = FIO_OPT_C_IO,
2552 .group = FIO_OPT_G_IO_TYPE,
2553 },
214e1eca
JA		 2554 {
2555 .name = "buffered",
e8b0e958 2556 .lname = "Buffered I/O",
214e1eca 2557 .type = FIO_OPT_BOOL,
a609f12a 2558 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2559 .neg = 1,
2560 .help = "Use buffered IO (negates direct)",
2561 .def = "1",
a01a1bc5 2562 .inverse = "direct",
e8b0e958 2563 .category = FIO_OPT_C_IO,
3ceb458f 2564 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2565 },
2566 {
2567 .name = "overwrite",
e8b0e958 2568 .lname = "Overwrite",
214e1eca 2569 .type = FIO_OPT_BOOL,
a609f12a 2570 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2571 .help = "When writing, set whether to overwrite current data",
2572 .def = "0",
e8b0e958
JA		 2573 .category = FIO_OPT_C_FILE,
2574 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2575 },
2576 {
2577 .name = "loops",
e8b0e958 2578 .lname = "Loops",
214e1eca 2579 .type = FIO_OPT_INT,
a609f12a 2580 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2581 .help = "Number of times to run the job",
2582 .def = "1",
20eb06bd 2583 .interval = 1,
e8b0e958 2584 .category = FIO_OPT_C_GENERAL,
a1f6afec 2585 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2586 },
2587 {
2588 .name = "numjobs",
e8b0e958 2589 .lname = "Number of jobs",
214e1eca 2590 .type = FIO_OPT_INT,
a609f12a 2591 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2592 .help = "Duplicate this job this many times",
2593 .def = "1",
20eb06bd 2594 .interval = 1,
e8b0e958 2595 .category = FIO_OPT_C_GENERAL,
a1f6afec 2596 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2597 },
2598 {
2599 .name = "startdelay",
e8b0e958 2600 .lname = "Start delay",
a5737c93 2601 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2602 .off1 = offsetof(struct thread_options, start_delay),
2603 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2604 .help = "Only start job when this period has passed",
2605 .def = "0",
0de5b26f 2606 .is_seconds = 1,
88038bc7 2607 .is_time = 1,
e8b0e958 2608 .category = FIO_OPT_C_GENERAL,
a1f6afec 2609 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2610 },
2611 {
2612 .name = "runtime",
e8b0e958 2613 .lname = "Runtime",
214e1eca
JA		 2614 .alias = "timeout",
2615 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2616 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2617 .help = "Stop workload when this amount of time has passed",
2618 .def = "0",
0de5b26f 2619 .is_seconds = 1,
88038bc7 2620 .is_time = 1,
e8b0e958 2621 .category = FIO_OPT_C_GENERAL,
a1f6afec 2622 .group = FIO_OPT_G_RUNTIME,
214e1eca 2623 },
cf4464ca
JA		 2624 {
2625 .name = "time_based",
e8b0e958 2626 .lname = "Time based",
cf4464ca 2627 .type = FIO_OPT_STR_SET,
a609f12a 2628 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2629 .help = "Keep running until runtime/timeout is met",
e8b0e958 2630 .category = FIO_OPT_C_GENERAL,
a1f6afec 2631 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2632 },
62167762
JC		 2633 {
2634 .name = "verify_only",
2635 .lname = "Verify only",
2636 .type = FIO_OPT_STR_SET,
a609f12a 2637 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2638 .help = "Verifies previously written data is still valid",
2639 .category = FIO_OPT_C_GENERAL,
2640 .group = FIO_OPT_G_RUNTIME,
2641 },
721938ae
JA		 2642 {
2643 .name = "ramp_time",
e8b0e958 2644 .lname = "Ramp time",
721938ae 2645 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2646 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2647 .help = "Ramp up time before measuring performance",
0de5b26f 2648 .is_seconds = 1,
88038bc7 2649 .is_time = 1,
e8b0e958 2650 .category = FIO_OPT_C_GENERAL,
a1f6afec 2651 .group = FIO_OPT_G_RUNTIME,
721938ae 2652 },
c223da83
JA		 2653 {
2654 .name = "clocksource",
e8b0e958 2655 .lname = "Clock source",
c223da83
JA		 2656 .type = FIO_OPT_STR,
2657 .cb = fio_clock_source_cb,
a609f12a 2658 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2659 .help = "What type of timing source to use",
e8b0e958 2660 .category = FIO_OPT_C_GENERAL,
10860056 2661 .group = FIO_OPT_G_CLOCK,
c223da83 2662 .posval = {
67bf9823 2663#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2664 { .ival = "gettimeofday",
2665 .oval = CS_GTOD,
2666 .help = "Use gettimeofday(2) for timing",
2667 },
67bf9823
JA		 2668#endif
2669#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2670 { .ival = "clock_gettime",
2671 .oval = CS_CGETTIME,
2672 .help = "Use clock_gettime(2) for timing",
2673 },
67bf9823 2674#endif
c223da83
JA		 2675#ifdef ARCH_HAVE_CPU_CLOCK
2676 { .ival = "cpu",
2677 .oval = CS_CPUCLOCK,
2678 .help = "Use CPU private clock",
2679 },
2680#endif
2681 },
2682 },
214e1eca
JA		 2683 {
2684 .name = "mem",
d3aad8f2 2685 .alias = "iomem",
e8b0e958 2686 .lname = "I/O Memory",
214e1eca
JA		 2687 .type = FIO_OPT_STR,
2688 .cb = str_mem_cb,
a609f12a 2689 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2690 .help = "Backing type for IO buffers",
2691 .def = "malloc",
e8b0e958
JA		 2692 .category = FIO_OPT_C_IO,
2693 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2694 .posval = {
2695 { .ival = "malloc",
2696 .oval = MEM_MALLOC,
2697 .help = "Use malloc(3) for IO buffers",
2698 },
c8931876 2699#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2700 { .ival = "shm",
2701 .oval = MEM_SHM,
2702 .help = "Use shared memory segments for IO buffers",
2703 },
214e1eca
JA		 2704#ifdef FIO_HAVE_HUGETLB
2705 { .ival = "shmhuge",
2706 .oval = MEM_SHMHUGE,
2707 .help = "Like shm, but use huge pages",
2708 },
c8931876 2709#endif
b370e46a 2710#endif
37c8cdfe
JA		 2711 { .ival = "mmap",
2712 .oval = MEM_MMAP,
2713 .help = "Use mmap(2) (file or anon) for IO buffers",
2714 },
217b0f1d
LG		 2715 { .ival = "mmapshared",
2716 .oval = MEM_MMAPSHARED,
2717 .help = "Like mmap, but use the shared flag",
2718 },
214e1eca
JA		 2719#ifdef FIO_HAVE_HUGETLB
2720 { .ival = "mmaphuge",
2721 .oval = MEM_MMAPHUGE,
2722 .help = "Like mmap, but use huge pages",
2723 },
03553853
YR		 2724#endif
2725#ifdef CONFIG_CUDA
2726 { .ival = "cudamalloc",
2727 .oval = MEM_CUDA_MALLOC,
2728 .help = "Allocate GPU device memory for GPUDirect RDMA",
2729 },
214e1eca
JA		 2730#endif
2731 },
2732 },
d529ee19
JA		 2733 {
2734 .name = "iomem_align",
2735 .alias = "mem_align",
e8b0e958 2736 .lname = "I/O memory alignment",
d529ee19 2737 .type = FIO_OPT_INT,
a609f12a 2738 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2739 .minval = 0,
2740 .help = "IO memory buffer offset alignment",
2741 .def = "0",
2742 .parent = "iomem",
d71c154c 2743 .hide = 1,
e8b0e958
JA		 2744 .category = FIO_OPT_C_IO,
2745 .group = FIO_OPT_G_INVALID,
d529ee19 2746 },
214e1eca
JA		 2747 {
2748 .name = "verify",
e8b0e958 2749 .lname = "Verify",
214e1eca 2750 .type = FIO_OPT_STR,
a609f12a 2751 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2752 .help = "Verify data written",
2753 .def = "0",
e8b0e958 2754 .category = FIO_OPT_C_IO,
3ceb458f 2755 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2756 .posval = {
2757 { .ival = "0",
2758 .oval = VERIFY_NONE,
2759 .help = "Don't do IO verification",
2760 },
fcca4b58
JA		 2761 { .ival = "md5",
2762 .oval = VERIFY_MD5,
2763 .help = "Use md5 checksums for verification",
2764 },
d77a7af3
JA		 2765 { .ival = "crc64",
2766 .oval = VERIFY_CRC64,
2767 .help = "Use crc64 checksums for verification",
2768 },
214e1eca
JA		 2769 { .ival = "crc32",
2770 .oval = VERIFY_CRC32,
2771 .help = "Use crc32 checksums for verification",
2772 },
af497e6a 2773 { .ival = "crc32c-intel",
e3aaafc4
JA		 2774 .oval = VERIFY_CRC32C,
2775 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2776 },
bac39e0e
JA		 2777 { .ival = "crc32c",
2778 .oval = VERIFY_CRC32C,
e3aaafc4 2779 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2780 },
969f7ed3
JA		 2781 { .ival = "crc16",
2782 .oval = VERIFY_CRC16,
2783 .help = "Use crc16 checksums for verification",
2784 },
1e154bdb
JA		 2785 { .ival = "crc7",
2786 .oval = VERIFY_CRC7,
2787 .help = "Use crc7 checksums for verification",
2788 },
7c353ceb
JA		 2789 { .ival = "sha1",
2790 .oval = VERIFY_SHA1,
2791 .help = "Use sha1 checksums for verification",
2792 },
cd14cc10
JA		 2793 { .ival = "sha256",
2794 .oval = VERIFY_SHA256,
2795 .help = "Use sha256 checksums for verification",
2796 },
2797 { .ival = "sha512",
2798 .oval = VERIFY_SHA512,
2799 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2800 },
2801 { .ival = "sha3-224",
2802 .oval = VERIFY_SHA3_224,
2803 .help = "Use sha3-224 checksums for verification",
2804 },
2805 { .ival = "sha3-256",
2806 .oval = VERIFY_SHA3_256,
2807 .help = "Use sha3-256 checksums for verification",
2808 },
2809 { .ival = "sha3-384",
2810 .oval = VERIFY_SHA3_384,
2811 .help = "Use sha3-384 checksums for verification",
2812 },
2813 { .ival = "sha3-512",
2814 .oval = VERIFY_SHA3_512,
2815 .help = "Use sha3-512 checksums for verification",
cd14cc10 2816 },
844ea602
JA		 2817 { .ival = "xxhash",
2818 .oval = VERIFY_XXHASH,
2819 .help = "Use xxhash checksums for verification",
2820 },
b638d82f
RP		 2821 /* Meta information was included into verify_header,
2822 * 'meta' verification is implied by default. */
7437ee87 2823 { .ival = "meta",
b638d82f
RP		 2824 .oval = VERIFY_HDR_ONLY,
2825 .help = "Use io information for verification. "
2826 "Now is implied by default, thus option is obsolete, "
2827 "don't use it",
7437ee87 2828 },
59245381
JA		 2829 { .ival = "pattern",
2830 .oval = VERIFY_PATTERN_NO_HDR,
2831 .help = "Verify strict pattern",
2832 },
36690c9b
JA		 2833 {
2834 .ival = "null",
2835 .oval = VERIFY_NULL,
2836 .help = "Pretend to verify",
2837 },
214e1eca
JA		 2838 },
2839 },
005c565a
JA		 2840 {
2841 .name = "do_verify",
e8b0e958 2842 .lname = "Perform verify step",
68e1f29a 2843 .type = FIO_OPT_BOOL,
a609f12a 2844 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2845 .help = "Run verification stage after write",
2846 .def = "1",
2847 .parent = "verify",
d71c154c 2848 .hide = 1,
e8b0e958
JA		 2849 .category = FIO_OPT_C_IO,
2850 .group = FIO_OPT_G_VERIFY,
005c565a 2851 },
160b966d
JA		 2852 {
2853 .name = "verifysort",
e8b0e958 2854 .lname = "Verify sort",
160b966d 2855 .type = FIO_OPT_BOOL,
a609f12a 2856 .off1 = offsetof(struct thread_options, verifysort),
160b966d
JA		 2857 .help = "Sort written verify blocks for read back",
2858 .def = "1",
c83f2df1 2859 .parent = "verify",
d71c154c 2860 .hide = 1,
e8b0e958
JA		 2861 .category = FIO_OPT_C_IO,
2862 .group = FIO_OPT_G_VERIFY,
160b966d 2863 },
1ae83d45
JA		 2864 {
2865 .name = "verifysort_nr",
cce2fdfe 2866 .lname = "Verify Sort Nr",
1ae83d45 2867 .type = FIO_OPT_INT,
a609f12a 2868 .off1 = offsetof(struct thread_options, verifysort_nr),
1ae83d45
JA		 2869 .help = "Pre-load and sort verify blocks for a read workload",
2870 .minval = 0,
2871 .maxval = 131072,
2872 .def = "1024",
2873 .parent = "verify",
836fcc0f
JA		 2874 .category = FIO_OPT_C_IO,
2875 .group = FIO_OPT_G_VERIFY,
1ae83d45 2876 },
3f9f4e26 2877 {
a59e170d 2878 .name = "verify_interval",
e8b0e958 2879 .lname = "Verify interval",
e01b22b8 2880 .type = FIO_OPT_INT,
a609f12a 2881 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2882 .minval = 2 * sizeof(struct verify_header),
a59e170d 2883 .help = "Store verify buffer header every N bytes",
afdf9352 2884 .parent = "verify",
d71c154c 2885 .hide = 1,
20eb06bd 2886 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2887 .category = FIO_OPT_C_IO,
2888 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2889 },
546a9142 2890 {
a59e170d 2891 .name = "verify_offset",
e8b0e958 2892 .lname = "Verify offset",
e01b22b8 2893 .type = FIO_OPT_INT,
a59e170d 2894 .help = "Offset verify header location by N bytes",
a609f12a 2895 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2896 .minval = sizeof(struct verify_header),
afdf9352 2897 .parent = "verify",
d71c154c 2898 .hide = 1,
e8b0e958
JA		 2899 .category = FIO_OPT_C_IO,
2900 .group = FIO_OPT_G_VERIFY,
546a9142 2901 },
e28218f3
SL		 2902 {
2903 .name = "verify_pattern",
e8b0e958 2904 .lname = "Verify pattern",
0e92f873 2905 .type = FIO_OPT_STR,
e28218f3 2906 .cb = str_verify_pattern_cb,
a609f12a 2907 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2908 .help = "Fill pattern for IO buffers",
2909 .parent = "verify",
d71c154c 2910 .hide = 1,
e8b0e958
JA		 2911 .category = FIO_OPT_C_IO,
2912 .group = FIO_OPT_G_VERIFY,
e28218f3 2913 },
a12a3b4d
JA		 2914 {
2915 .name = "verify_fatal",
e8b0e958 2916 .lname = "Verify fatal",
68e1f29a 2917 .type = FIO_OPT_BOOL,
a609f12a 2918 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2919 .def = "0",
2920 .help = "Exit on a single verify failure, don't continue",
2921 .parent = "verify",
d71c154c 2922 .hide = 1,
e8b0e958
JA		 2923 .category = FIO_OPT_C_IO,
2924 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2925 },
b463e936
JA		 2926 {
2927 .name = "verify_dump",
e8b0e958 2928 .lname = "Verify dump",
b463e936 2929 .type = FIO_OPT_BOOL,
a609f12a 2930 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2931 .def = "0",
b463e936
JA		 2932 .help = "Dump contents of good and bad blocks on failure",
2933 .parent = "verify",
d71c154c 2934 .hide = 1,
e8b0e958
JA		 2935 .category = FIO_OPT_C_IO,
2936 .group = FIO_OPT_G_VERIFY,
b463e936 2937 },
e8462bd8
JA		 2938 {
2939 .name = "verify_async",
e8b0e958 2940 .lname = "Verify asynchronously",
e8462bd8 2941 .type = FIO_OPT_INT,
a609f12a 2942 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2943 .def = "0",
2944 .help = "Number of async verifier threads to use",
2945 .parent = "verify",
d71c154c 2946 .hide = 1,
e8b0e958
JA		 2947 .category = FIO_OPT_C_IO,
2948 .group = FIO_OPT_G_VERIFY,
e8462bd8 2949 },
9e144189
JA		 2950 {
2951 .name = "verify_backlog",
e8b0e958 2952 .lname = "Verify backlog",
9e144189 2953 .type = FIO_OPT_STR_VAL,
a609f12a 2954 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2955 .help = "Verify after this number of blocks are written",
2956 .parent = "verify",
d71c154c 2957 .hide = 1,
e8b0e958
JA		 2958 .category = FIO_OPT_C_IO,
2959 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2960 },
2961 {
2962 .name = "verify_backlog_batch",
e8b0e958 2963 .lname = "Verify backlog batch",
9e144189 2964 .type = FIO_OPT_INT,
a609f12a 2965 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2966 .help = "Verify this number of IO blocks",
0d29de83 2967 .parent = "verify",
d71c154c 2968 .hide = 1,
e8b0e958
JA		 2969 .category = FIO_OPT_C_IO,
2970 .group = FIO_OPT_G_VERIFY,
9e144189 2971 },
e8462bd8
JA		 2972#ifdef FIO_HAVE_CPU_AFFINITY
2973 {
2974 .name = "verify_async_cpus",
e8b0e958 2975 .lname = "Async verify CPUs",
e8462bd8
JA		 2976 .type = FIO_OPT_STR,
2977 .cb = str_verify_cpus_allowed_cb,
a609f12a 2978 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2979 .help = "Set CPUs allowed for async verify threads",
2980 .parent = "verify_async",
d71c154c 2981 .hide = 1,
e8b0e958
JA		 2982 .category = FIO_OPT_C_IO,
2983 .group = FIO_OPT_G_VERIFY,
e8462bd8 2984 },
a275c37a
JA		 2985#else
2986 {
2987 .name = "verify_async_cpus",
2988 .lname = "Async verify CPUs",
2989 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2990 .help = "Your platform does not support CPU affinities",
a275c37a 2991 },
0d29de83 2992#endif
51aa2da8
JA		 2993 {
2994 .name = "experimental_verify",
cce2fdfe 2995 .lname = "Experimental Verify",
a609f12a 2996 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2997 .type = FIO_OPT_BOOL,
b31eaac9 2998 .help = "Enable experimental verification",
ca09be4b
JA		 2999 .parent = "verify",
3000 .category = FIO_OPT_C_IO,
3001 .group = FIO_OPT_G_VERIFY,
3002 },
3003 {
3004 .name = "verify_state_load",
3005 .lname = "Load verify state",
a609f12a 3006 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 3007 .type = FIO_OPT_BOOL,
3008 .help = "Load verify termination state",
3009 .parent = "verify",
3010 .category = FIO_OPT_C_IO,
3011 .group = FIO_OPT_G_VERIFY,
3012 },
3013 {
3014 .name = "verify_state_save",
3015 .lname = "Save verify state",
a609f12a 3016 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 3017 .type = FIO_OPT_BOOL,
3018 .def = "1",
3019 .help = "Save verify state on termination",
3020 .parent = "verify",
836fcc0f
JA		 3021 .category = FIO_OPT_C_IO,
3022 .group = FIO_OPT_G_VERIFY,
51aa2da8 3023 },
0d29de83
JA		 3024#ifdef FIO_HAVE_TRIM
3025 {
3026 .name = "trim_percentage",
e8b0e958 3027 .lname = "Trim percentage",
0d29de83 3028 .type = FIO_OPT_INT,
a609f12a 3029 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 3030 .minval = 0,
0d29de83 3031 .maxval = 100,
169c098d 3032 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 3033 .parent = "verify",
3034 .def = "0",
20eb06bd 3035 .interval = 1,
d71c154c 3036 .hide = 1,
e8b0e958
JA		 3037 .category = FIO_OPT_C_IO,
3038 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3039 },
3040 {
3041 .name = "trim_verify_zero",
e8b0e958 3042 .lname = "Verify trim zero",
20eb06bd 3043 .type = FIO_OPT_BOOL,
169c098d 3044 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3045 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3046 .parent = "trim_percentage",
d71c154c 3047 .hide = 1,
0d29de83 3048 .def = "1",
e8b0e958
JA		 3049 .category = FIO_OPT_C_IO,
3050 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3051 },
3052 {
3053 .name = "trim_backlog",
e8b0e958 3054 .lname = "Trim backlog",
0d29de83 3055 .type = FIO_OPT_STR_VAL,
a609f12a 3056 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 3057 .help = "Trim after this number of blocks are written",
3058 .parent = "trim_percentage",
d71c154c 3059 .hide = 1,
20eb06bd 3060 .interval = 1,
e8b0e958
JA		 3061 .category = FIO_OPT_C_IO,
3062 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3063 },
3064 {
3065 .name = "trim_backlog_batch",
e8b0e958 3066 .lname = "Trim backlog batch",
0d29de83 3067 .type = FIO_OPT_INT,
a609f12a 3068 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 3069 .help = "Trim this number of IO blocks",
3070 .parent = "trim_percentage",
d71c154c 3071 .hide = 1,
20eb06bd 3072 .interval = 1,
e8b0e958
JA		 3073 .category = FIO_OPT_C_IO,
3074 .group = FIO_OPT_G_TRIM,
0d29de83 3075 },
a275c37a
JA		 3076#else
3077 {
3078 .name = "trim_percentage",
3079 .lname = "Trim percentage",
3080 .type = FIO_OPT_UNSUPPORTED,
3081 .help = "Fio does not support TRIM on your platform",
3082 },
3083 {
3084 .name = "trim_verify_zero",
3085 .lname = "Verify trim zero",
3086 .type = FIO_OPT_UNSUPPORTED,
3087 .help = "Fio does not support TRIM on your platform",
3088 },
3089 {
3090 .name = "trim_backlog",
3091 .lname = "Trim backlog",
3092 .type = FIO_OPT_UNSUPPORTED,
3093 .help = "Fio does not support TRIM on your platform",
3094 },
3095 {
3096 .name = "trim_backlog_batch",
3097 .lname = "Trim backlog batch",
3098 .type = FIO_OPT_UNSUPPORTED,
3099 .help = "Fio does not support TRIM on your platform",
3100 },
e8462bd8 3101#endif
214e1eca
JA		 3102 {
3103 .name = "write_iolog",
e8b0e958 3104 .lname = "Write I/O log",
214e1eca 3105 .type = FIO_OPT_STR_STORE,
a609f12a 3106 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3107 .help = "Store IO pattern to file",
e8b0e958
JA		 3108 .category = FIO_OPT_C_IO,
3109 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3110 },
3111 {
3112 .name = "read_iolog",
e8b0e958 3113 .lname = "Read I/O log",
214e1eca 3114 .type = FIO_OPT_STR_STORE,
a609f12a 3115 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3116 .help = "Playback IO pattern from file",
e8b0e958
JA		 3117 .category = FIO_OPT_C_IO,
3118 .group = FIO_OPT_G_IOLOG,
214e1eca 3119 },
64bbb865
DN		 3120 {
3121 .name = "replay_no_stall",
e8b0e958 3122 .lname = "Don't stall on replay",
20eb06bd 3123 .type = FIO_OPT_BOOL,
a609f12a 3124 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3125 .def = "0",
87e7a972 3126 .parent = "read_iolog",
d71c154c 3127 .hide = 1,
64bbb865 3128 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3129 .category = FIO_OPT_C_IO,
3130 .group = FIO_OPT_G_IOLOG,
64bbb865 3131 },
d1c46c04
DN		 3132 {
3133 .name = "replay_redirect",
e8b0e958 3134 .lname = "Redirect device for replay",
d1c46c04 3135 .type = FIO_OPT_STR_STORE,
a609f12a 3136 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3137 .parent = "read_iolog",
d71c154c 3138 .hide = 1,
d1c46c04 3139 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3140 .category = FIO_OPT_C_IO,
3141 .group = FIO_OPT_G_IOLOG,
d1c46c04 3142 },
0c63576e
JA		 3143 {
3144 .name = "replay_scale",
3145 .lname = "Replace offset scale factor",
3146 .type = FIO_OPT_INT,
a609f12a 3147 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3148 .parent = "read_iolog",
3149 .def = "1",
3150 .help = "Align offsets to this blocksize",
3151 .category = FIO_OPT_C_IO,
3152 .group = FIO_OPT_G_IOLOG,
3153 },
3154 {
3155 .name = "replay_align",
3156 .lname = "Replace alignment",
3157 .type = FIO_OPT_INT,
a609f12a 3158 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3159 .parent = "read_iolog",
3160 .help = "Scale offset down by this factor",
3161 .category = FIO_OPT_C_IO,
3162 .group = FIO_OPT_G_IOLOG,
3163 .pow2 = 1,
3164 },
214e1eca
JA		 3165 {
3166 .name = "exec_prerun",
e8b0e958 3167 .lname = "Pre-execute runnable",
214e1eca 3168 .type = FIO_OPT_STR_STORE,
a609f12a 3169 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3170 .help = "Execute this file prior to running job",
e8b0e958
JA		 3171 .category = FIO_OPT_C_GENERAL,
3172 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3173 },
3174 {
3175 .name = "exec_postrun",
e8b0e958 3176 .lname = "Post-execute runnable",
214e1eca 3177 .type = FIO_OPT_STR_STORE,
a609f12a 3178 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3179 .help = "Execute this file after running job",
e8b0e958
JA		 3180 .category = FIO_OPT_C_GENERAL,
3181 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3182 },
3183#ifdef FIO_HAVE_IOSCHED_SWITCH
3184 {
3185 .name = "ioscheduler",
e8b0e958 3186 .lname = "I/O scheduler",
214e1eca 3187 .type = FIO_OPT_STR_STORE,
a609f12a 3188 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3189 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3190 .category = FIO_OPT_C_FILE,
3191 .group = FIO_OPT_G_INVALID,
214e1eca 3192 },
a275c37a
JA		 3193#else
3194 {
3195 .name = "ioscheduler",
3196 .lname = "I/O scheduler",
3197 .type = FIO_OPT_UNSUPPORTED,
3198 .help = "Your platform does not support IO scheduler switching",
3199 },
214e1eca
JA		 3200#endif
3201 {
3202 .name = "zonesize",
e8b0e958 3203 .lname = "Zone size",
214e1eca 3204 .type = FIO_OPT_STR_VAL,
a609f12a 3205 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3206 .help = "Amount of data to read per zone",
3207 .def = "0",
20eb06bd 3208 .interval = 1024 * 1024,
e8b0e958
JA		 3209 .category = FIO_OPT_C_IO,
3210 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3211 },
3212 {
3213 .name = "zonerange",
e8b0e958 3214 .lname = "Zone range",
ed335855 3215 .type = FIO_OPT_STR_VAL,
a609f12a 3216 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3217 .help = "Give size of an IO zone",
3218 .def = "0",
20eb06bd 3219 .interval = 1024 * 1024,
e8b0e958
JA		 3220 .category = FIO_OPT_C_IO,
3221 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3222 },
3223 {
3224 .name = "zoneskip",
e8b0e958 3225 .lname = "Zone skip",
214e1eca 3226 .type = FIO_OPT_STR_VAL,
a609f12a 3227 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3228 .help = "Space between IO zones",
3229 .def = "0",
20eb06bd 3230 .interval = 1024 * 1024,
e8b0e958
JA		 3231 .category = FIO_OPT_C_IO,
3232 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3233 },
3234 {
3235 .name = "lockmem",
e8b0e958 3236 .lname = "Lock memory",
214e1eca 3237 .type = FIO_OPT_STR_VAL,
a609f12a 3238 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3239 .help = "Lock down this amount of memory (per worker)",
214e1eca 3240 .def = "0",
20eb06bd 3241 .interval = 1024 * 1024,
e8b0e958
JA		 3242 .category = FIO_OPT_C_GENERAL,
3243 .group = FIO_OPT_G_INVALID,
214e1eca 3244 },
214e1eca
JA		 3245 {
3246 .name = "rwmixread",
e8b0e958 3247 .lname = "Read/write mix read",
214e1eca 3248 .type = FIO_OPT_INT,
cb499fc4 3249 .cb = str_rwmix_read_cb,
a609f12a 3250 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3251 .maxval = 100,
3252 .help = "Percentage of mixed workload that is reads",
3253 .def = "50",
20eb06bd 3254 .interval = 5,
90265353 3255 .inverse = "rwmixwrite",
e8b0e958
JA		 3256 .category = FIO_OPT_C_IO,
3257 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3258 },
3259 {
3260 .name = "rwmixwrite",
e8b0e958 3261 .lname = "Read/write mix write",
214e1eca 3262 .type = FIO_OPT_INT,
cb499fc4 3263 .cb = str_rwmix_write_cb,
a609f12a 3264 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3265 .maxval = 100,
3266 .help = "Percentage of mixed workload that is writes",
3267 .def = "50",
20eb06bd 3268 .interval = 5,
90265353 3269 .inverse = "rwmixread",
e8b0e958
JA		 3270 .category = FIO_OPT_C_IO,
3271 .group = FIO_OPT_G_RWMIX,
214e1eca 3272 },
afdf9352
JA		 3273 {
3274 .name = "rwmixcycle",
e8b0e958 3275 .lname = "Read/write mix cycle",
15ca150e 3276 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3277 .category = FIO_OPT_C_IO,
3278 .group = FIO_OPT_G_RWMIX,
afdf9352 3279 },
214e1eca
JA		 3280 {
3281 .name = "nice",
e8b0e958 3282 .lname = "Nice",
214e1eca 3283 .type = FIO_OPT_INT,
a609f12a 3284 .off1 = offsetof(struct thread_options, nice),
214e1eca 3285 .help = "Set job CPU nice value",
11fd6aa8
RC		 3286 .minval = -20,
3287 .maxval = 19,
214e1eca 3288 .def = "0",
20eb06bd 3289 .interval = 1,
e8b0e958 3290 .category = FIO_OPT_C_GENERAL,
10860056 3291 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3292 },
3293#ifdef FIO_HAVE_IOPRIO
3294 {
3295 .name = "prio",
e8b0e958 3296 .lname = "I/O nice priority",
214e1eca 3297 .type = FIO_OPT_INT,
a609f12a 3298 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3299 .help = "Set job IO priority value",
1767bd34
TK		 3300 .minval = IOPRIO_MIN_PRIO,
3301 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3302 .interval = 1,
e8b0e958 3303 .category = FIO_OPT_C_GENERAL,
10860056 3304 .group = FIO_OPT_G_CRED,
214e1eca 3305 },
32ef447a
TK		 3306#else
3307 {
3308 .name = "prio",
3309 .lname = "I/O nice priority",
3310 .type = FIO_OPT_UNSUPPORTED,
3311 .help = "Your platform does not support IO priorities",
3312 },
3313#endif
3314#ifdef FIO_HAVE_IOPRIO_CLASS
3315#ifndef FIO_HAVE_IOPRIO
3316#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3317#endif
214e1eca
JA		 3318 {
3319 .name = "prioclass",
e8b0e958 3320 .lname = "I/O nice priority class",
214e1eca 3321 .type = FIO_OPT_INT,
a609f12a 3322 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3323 .help = "Set job IO priority class",
1767bd34
TK		 3324 .minval = IOPRIO_MIN_PRIO_CLASS,
3325 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3326 .interval = 1,
e8b0e958 3327 .category = FIO_OPT_C_GENERAL,
10860056 3328 .group = FIO_OPT_G_CRED,
214e1eca 3329 },
a275c37a 3330#else
a275c37a
JA		 3331 {
3332 .name = "prioclass",
3333 .lname = "I/O nice priority class",
3334 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3335 .help = "Your platform does not support IO priority classes",
a275c37a 3336 },
214e1eca
JA		 3337#endif
3338 {
3339 .name = "thinktime",
e8b0e958 3340 .lname = "Thinktime",
214e1eca 3341 .type = FIO_OPT_INT,
a609f12a 3342 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3343 .help = "Idle time between IO buffers (usec)",
3344 .def = "0",
88038bc7 3345 .is_time = 1,
e8b0e958 3346 .category = FIO_OPT_C_IO,
3ceb458f 3347 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3348 },
3349 {
3350 .name = "thinktime_spin",
e8b0e958 3351 .lname = "Thinktime spin",
214e1eca 3352 .type = FIO_OPT_INT,
a609f12a 3353 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3354 .help = "Start think time by spinning this amount (usec)",
3355 .def = "0",
88038bc7 3356 .is_time = 1,
afdf9352 3357 .parent = "thinktime",
d71c154c 3358 .hide = 1,
e8b0e958 3359 .category = FIO_OPT_C_IO,
3ceb458f 3360 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3361 },
3362 {
3363 .name = "thinktime_blocks",
e8b0e958 3364 .lname = "Thinktime blocks",
214e1eca 3365 .type = FIO_OPT_INT,
a609f12a 3366 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3367 .help = "IO buffer period between 'thinktime'",
3368 .def = "1",
afdf9352 3369 .parent = "thinktime",
d71c154c 3370 .hide = 1,
e8b0e958 3371 .category = FIO_OPT_C_IO,
3ceb458f 3372 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3373 },
3374 {
3375 .name = "rate",
e8b0e958 3376 .lname = "I/O rate",
e01b22b8 3377 .type = FIO_OPT_INT,
a609f12a
JA		 3378 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3379 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3380 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3381 .help = "Set bandwidth rate",
e8b0e958
JA		 3382 .category = FIO_OPT_C_IO,
3383 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3384 },
3385 {
6d428bcd
JA		 3386 .name = "rate_min",
3387 .alias = "ratemin",
e8b0e958 3388 .lname = "I/O min rate",
e01b22b8 3389 .type = FIO_OPT_INT,
a609f12a
JA		 3390 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3391 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3392 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3393 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3394 .parent = "rate",
d71c154c 3395 .hide = 1,
e8b0e958
JA		 3396 .category = FIO_OPT_C_IO,
3397 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3398 },
3399 {
3400 .name = "rate_iops",
e8b0e958 3401 .lname = "I/O rate IOPS",
e01b22b8 3402 .type = FIO_OPT_INT,
a609f12a
JA		 3403 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3404 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3405 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3406 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3407 .hide = 1,
e8b0e958
JA		 3408 .category = FIO_OPT_C_IO,
3409 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3410 },
3411 {
3412 .name = "rate_iops_min",
e8b0e958 3413 .lname = "I/O min rate IOPS",
e01b22b8 3414 .type = FIO_OPT_INT,
a609f12a
JA		 3415 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3416 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3417 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3418 .help = "Job must meet this rate or it will be shut down",
afdf9352 3419 .parent = "rate_iops",
d71c154c 3420 .hide = 1,
e8b0e958
JA		 3421 .category = FIO_OPT_C_IO,
3422 .group = FIO_OPT_G_RATE,
214e1eca 3423 },
ff6bb260 3424 {
6de65959
JA		 3425 .name = "rate_process",
3426 .lname = "Rate Process",
3427 .type = FIO_OPT_STR,
a609f12a 3428 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3429 .help = "What process controls how rated IO is managed",
3430 .def = "linear",
ff6bb260
SL		 3431 .category = FIO_OPT_C_IO,
3432 .group = FIO_OPT_G_RATE,
6de65959
JA		 3433 .posval = {
3434 { .ival = "linear",
3435 .oval = RATE_PROCESS_LINEAR,
3436 .help = "Linear rate of IO",
3437 },
3438 {
3439 .ival = "poisson",
3440 .oval = RATE_PROCESS_POISSON,
3441 .help = "Rate follows Poisson process",
3442 },
3443 },
3444 .parent = "rate",
ff6bb260 3445 },
214e1eca 3446 {
6d428bcd
JA		 3447 .name = "rate_cycle",
3448 .alias = "ratecycle",
e8b0e958 3449 .lname = "I/O rate cycle",
214e1eca 3450 .type = FIO_OPT_INT,
a609f12a 3451 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3452 .help = "Window average for rate limits (msec)",
3453 .def = "1000",
afdf9352 3454 .parent = "rate",
d71c154c 3455 .hide = 1,
e8b0e958
JA		 3456 .category = FIO_OPT_C_IO,
3457 .group = FIO_OPT_G_RATE,
214e1eca 3458 },
15501535
JA		 3459 {
3460 .name = "max_latency",
dd97d866 3461 .lname = "Max Latency (usec)",
6c3fb04c 3462 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3463 .off1 = offsetof(struct thread_options, max_latency),
15501535 3464 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3465 .is_time = 1,
1e5324e7 3466 .category = FIO_OPT_C_IO,
3e260a46
JA		 3467 .group = FIO_OPT_G_LATPROF,
3468 },
3469 {
3470 .name = "latency_target",
3471 .lname = "Latency Target (usec)",
3472 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3473 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3474 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3475 .is_time = 1,
3e260a46
JA		 3476 .category = FIO_OPT_C_IO,
3477 .group = FIO_OPT_G_LATPROF,
3478 },
3479 {
3480 .name = "latency_window",
3481 .lname = "Latency Window (usec)",
3482 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3483 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3484 .help = "Time to sustain latency_target",
88038bc7 3485 .is_time = 1,
3e260a46
JA		 3486 .category = FIO_OPT_C_IO,
3487 .group = FIO_OPT_G_LATPROF,
3488 },
3489 {
3490 .name = "latency_percentile",
3491 .lname = "Latency Percentile",
3492 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3493 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3494 .help = "Percentile of IOs must be below latency_target",
3495 .def = "100",
3496 .maxlen = 1,
3497 .minfp = 0.0,
3498 .maxfp = 100.0,
3499 .category = FIO_OPT_C_IO,
3500 .group = FIO_OPT_G_LATPROF,
15501535 3501 },
214e1eca
JA		 3502 {
3503 .name = "invalidate",
e8b0e958 3504 .lname = "Cache invalidate",
214e1eca 3505 .type = FIO_OPT_BOOL,
a609f12a 3506 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3507 .help = "Invalidate buffer/page cache prior to running job",
3508 .def = "1",
e8b0e958 3509 .category = FIO_OPT_C_IO,
3ceb458f 3510 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3511 },
3512 {
3513 .name = "sync",
e8b0e958 3514 .lname = "Synchronous I/O",
214e1eca 3515 .type = FIO_OPT_BOOL,
a609f12a 3516 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3517 .help = "Use O_SYNC for buffered writes",
3518 .def = "0",
67a1000f 3519 .parent = "buffered",
d71c154c 3520 .hide = 1,
e8b0e958 3521 .category = FIO_OPT_C_IO,
3ceb458f 3522 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3523 },
ae8e559e
JA		 3524#ifdef FIO_HAVE_WRITE_HINT
3525 {
3526 .name = "write_hint",
3527 .lname = "Write hint",
3528 .type = FIO_OPT_STR,
3529 .off1 = offsetof(struct thread_options, write_hint),
3530 .help = "Set expected write life time",
3531 .category = FIO_OPT_C_ENGINE,
3532 .group = FIO_OPT_G_INVALID,
3533 .posval = {
3534 { .ival = "none",
3535 .oval = RWH_WRITE_LIFE_NONE,
3536 },
3537 { .ival = "short",
3538 .oval = RWH_WRITE_LIFE_SHORT,
3539 },
3540 { .ival = "medium",
3541 .oval = RWH_WRITE_LIFE_MEDIUM,
3542 },
3543 { .ival = "long",
3544 .oval = RWH_WRITE_LIFE_LONG,
3545 },
3546 { .ival = "extreme",
3547 .oval = RWH_WRITE_LIFE_EXTREME,
3548 },
3549 },
3550 },
3551#endif
214e1eca
JA		 3552 {
3553 .name = "create_serialize",
e8b0e958 3554 .lname = "Create serialize",
214e1eca 3555 .type = FIO_OPT_BOOL,
a609f12a 3556 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3557 .help = "Serialize creation of job files",
214e1eca 3558 .def = "1",
e8b0e958
JA		 3559 .category = FIO_OPT_C_FILE,
3560 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3561 },
3562 {
3563 .name = "create_fsync",
e8b0e958 3564 .lname = "Create fsync",
214e1eca 3565 .type = FIO_OPT_BOOL,
a609f12a 3566 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3567 .help = "fsync file after creation",
214e1eca 3568 .def = "1",
e8b0e958
JA		 3569 .category = FIO_OPT_C_FILE,
3570 .group = FIO_OPT_G_INVALID,
214e1eca 3571 },
814452bd
JA		 3572 {
3573 .name = "create_on_open",
e8b0e958 3574 .lname = "Create on open",
814452bd 3575 .type = FIO_OPT_BOOL,
a609f12a 3576 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3577 .help = "Create files when they are opened for IO",
3578 .def = "0",
e8b0e958
JA		 3579 .category = FIO_OPT_C_FILE,
3580 .group = FIO_OPT_G_INVALID,
814452bd 3581 },
25460cf6
JA		 3582 {
3583 .name = "create_only",
cce2fdfe 3584 .lname = "Create Only",
25460cf6 3585 .type = FIO_OPT_BOOL,
a609f12a 3586 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3587 .help = "Only perform file creation phase",
d17fda71 3588 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3589 .def = "0",
3590 },
2378826d
JA		 3591 {
3592 .name = "allow_file_create",
e81ecca3 3593 .lname = "Allow file create",
2378826d 3594 .type = FIO_OPT_BOOL,
a609f12a 3595 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3596 .help = "Permit fio to create files, if they don't exist",
3597 .def = "1",
3598 .category = FIO_OPT_C_FILE,
3599 .group = FIO_OPT_G_FILENAME,
3600 },
e81ecca3
JA		 3601 {
3602 .name = "allow_mounted_write",
3603 .lname = "Allow mounted write",
3604 .type = FIO_OPT_BOOL,
a609f12a 3605 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3606 .help = "Allow writes to a mounted partition",
3607 .def = "0",
3608 .category = FIO_OPT_C_FILE,
3609 .group = FIO_OPT_G_FILENAME,
3610 },
0b9d69ec 3611 {
afad68f7 3612 .name = "pre_read",
e8b0e958 3613 .lname = "Pre-read files",
afad68f7 3614 .type = FIO_OPT_BOOL,
a609f12a 3615 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3616 .help = "Pre-read files before starting official testing",
afad68f7 3617 .def = "0",
e8b0e958
JA		 3618 .category = FIO_OPT_C_FILE,
3619 .group = FIO_OPT_G_INVALID,
afad68f7 3620 },
214e1eca
JA		 3621#ifdef FIO_HAVE_CPU_AFFINITY
3622 {
3623 .name = "cpumask",
e8b0e958 3624 .lname = "CPU mask",
214e1eca
JA		 3625 .type = FIO_OPT_INT,
3626 .cb = str_cpumask_cb,
a609f12a 3627 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3628 .help = "CPU affinity mask",
e8b0e958 3629 .category = FIO_OPT_C_GENERAL,
10860056 3630 .group = FIO_OPT_G_CRED,
214e1eca 3631 },
d2e268b0
JA		 3632 {
3633 .name = "cpus_allowed",
e8b0e958 3634 .lname = "CPUs allowed",
d2e268b0
JA		 3635 .type = FIO_OPT_STR,
3636 .cb = str_cpus_allowed_cb,
a609f12a 3637 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3638 .help = "Set CPUs allowed",
e8b0e958 3639 .category = FIO_OPT_C_GENERAL,
10860056 3640 .group = FIO_OPT_G_CRED,
d2e268b0 3641 },
c2acfbac
JA		 3642 {
3643 .name = "cpus_allowed_policy",
3644 .lname = "CPUs allowed distribution policy",
3645 .type = FIO_OPT_STR,
a609f12a 3646 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3647 .help = "Distribution policy for cpus_allowed",
3648 .parent = "cpus_allowed",
3649 .prio = 1,
3650 .posval = {
3651 { .ival = "shared",
3652 .oval = FIO_CPUS_SHARED,
3653 .help = "Mask shared between threads",
3654 },
3655 { .ival = "split",
3656 .oval = FIO_CPUS_SPLIT,
3657 .help = "Mask split between threads",
3658 },
3659 },
3660 .category = FIO_OPT_C_GENERAL,
3661 .group = FIO_OPT_G_CRED,
3662 },
a275c37a
JA		 3663#else
3664 {
3665 .name = "cpumask",
3666 .lname = "CPU mask",
3667 .type = FIO_OPT_UNSUPPORTED,
3668 .help = "Your platform does not support CPU affinities",
3669 },
3670 {
3671 .name = "cpus_allowed",
3672 .lname = "CPUs allowed",
3673 .type = FIO_OPT_UNSUPPORTED,
3674 .help = "Your platform does not support CPU affinities",
3675 },
3676 {
3677 .name = "cpus_allowed_policy",
3678 .lname = "CPUs allowed distribution policy",
3679 .type = FIO_OPT_UNSUPPORTED,
3680 .help = "Your platform does not support CPU affinities",
3681 },
d0b937ed 3682#endif
67bf9823 3683#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3684 {
3685 .name = "numa_cpu_nodes",
cce2fdfe 3686 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3687 .type = FIO_OPT_STR,
3688 .cb = str_numa_cpunodes_cb,
a609f12a 3689 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3690 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3691 .category = FIO_OPT_C_GENERAL,
3692 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3693 },
3694 {
3695 .name = "numa_mem_policy",
cce2fdfe 3696 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3697 .type = FIO_OPT_STR,
3698 .cb = str_numa_mpol_cb,
a609f12a 3699 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3700 .help = "NUMA memory policy setup",
6be54b2d
JA		 3701 .category = FIO_OPT_C_GENERAL,
3702 .group = FIO_OPT_G_INVALID,
d0b937ed 3703 },
a275c37a
JA		 3704#else
3705 {
3706 .name = "numa_cpu_nodes",
3707 .lname = "NUMA CPU Nodes",
3708 .type = FIO_OPT_UNSUPPORTED,
3709 .help = "Build fio with libnuma-dev(el) to enable this option",
3710 },
3711 {
3712 .name = "numa_mem_policy",
3713 .lname = "NUMA Memory Policy",
3714 .type = FIO_OPT_UNSUPPORTED,
3715 .help = "Build fio with libnuma-dev(el) to enable this option",
3716 },
03553853
YR		 3717#endif
3718#ifdef CONFIG_CUDA
3719 {
3720 .name = "gpu_dev_id",
3721 .lname = "GPU device ID",
3722 .type = FIO_OPT_INT,
3723 .off1 = offsetof(struct thread_options, gpu_dev_id),
3724 .help = "Set GPU device ID for GPUDirect RDMA",
3725 .def = "0",
3726 .category = FIO_OPT_C_GENERAL,
3727 .group = FIO_OPT_G_INVALID,
3728 },
214e1eca
JA		 3729#endif
3730 {
3731 .name = "end_fsync",
e8b0e958 3732 .lname = "End fsync",
214e1eca 3733 .type = FIO_OPT_BOOL,
a609f12a 3734 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3735 .help = "Include fsync at the end of job",
3736 .def = "0",
e8b0e958
JA		 3737 .category = FIO_OPT_C_FILE,
3738 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3739 },
3740 {
3741 .name = "fsync_on_close",
e8b0e958 3742 .lname = "Fsync on close",
214e1eca 3743 .type = FIO_OPT_BOOL,
a609f12a 3744 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3745 .help = "fsync files on close",
3746 .def = "0",
e8b0e958
JA		 3747 .category = FIO_OPT_C_FILE,
3748 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3749 },
3750 {
3751 .name = "unlink",
e8b0e958 3752 .lname = "Unlink file",
214e1eca 3753 .type = FIO_OPT_BOOL,
a609f12a 3754 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3755 .help = "Unlink created files after job has completed",
3756 .def = "0",
e8b0e958
JA		 3757 .category = FIO_OPT_C_FILE,
3758 .group = FIO_OPT_G_INVALID,
214e1eca 3759 },
39c1c323 3760 {
3761 .name = "unlink_each_loop",
3762 .lname = "Unlink file after each loop of a job",
3763 .type = FIO_OPT_BOOL,
a609f12a 3764 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3765 .help = "Unlink created files after each loop in a job has completed",
3766 .def = "0",
3767 .category = FIO_OPT_C_FILE,
3768 .group = FIO_OPT_G_INVALID,
3769 },
214e1eca
JA		 3770 {
3771 .name = "exitall",
e8b0e958 3772 .lname = "Exit-all on terminate",
214e1eca
JA		 3773 .type = FIO_OPT_STR_SET,
3774 .cb = str_exitall_cb,
3775 .help = "Terminate all jobs when one exits",
e8b0e958 3776 .category = FIO_OPT_C_GENERAL,
a1f6afec 3777 .group = FIO_OPT_G_PROCESS,
214e1eca 3778 },
f9cafb12
JA		 3779 {
3780 .name = "exitall_on_error",
3781 .lname = "Exit-all on terminate in error",
78abcf9b 3782 .type = FIO_OPT_STR_SET,
a609f12a 3783 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3784 .help = "Terminate all jobs when one exits in error",
3785 .category = FIO_OPT_C_GENERAL,
3786 .group = FIO_OPT_G_PROCESS,
3787 },
214e1eca
JA		 3788 {
3789 .name = "stonewall",
e8b0e958 3790 .lname = "Wait for previous",
d392365e 3791 .alias = "wait_for_previous",
214e1eca 3792 .type = FIO_OPT_STR_SET,
a609f12a 3793 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3794 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3795 .category = FIO_OPT_C_GENERAL,
a1f6afec 3796 .group = FIO_OPT_G_PROCESS,
214e1eca 3797 },
b3d62a75
JA		 3798 {
3799 .name = "new_group",
e8b0e958 3800 .lname = "New group",
b3d62a75 3801 .type = FIO_OPT_STR_SET,
a609f12a 3802 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3803 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3804 .category = FIO_OPT_C_GENERAL,
a1f6afec 3805 .group = FIO_OPT_G_PROCESS,
b3d62a75 3806 },
214e1eca
JA		 3807 {
3808 .name = "thread",
e8b0e958 3809 .lname = "Thread",
214e1eca 3810 .type = FIO_OPT_STR_SET,
a609f12a 3811 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3812 .help = "Use threads instead of processes",
c8931876
JA		 3813#ifdef CONFIG_NO_SHM
3814 .def = "1",
3815 .no_warn_def = 1,
3816#endif
e8b0e958 3817 .category = FIO_OPT_C_GENERAL,
a1f6afec 3818 .group = FIO_OPT_G_PROCESS,
214e1eca 3819 },
3a5db920
JA		 3820 {
3821 .name = "per_job_logs",
cce2fdfe 3822 .lname = "Per Job Logs",
3a5db920 3823 .type = FIO_OPT_BOOL,
a609f12a 3824 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3825 .help = "Include job number in generated log files or not",
3826 .def = "1",
3827 .category = FIO_OPT_C_LOG,
3828 .group = FIO_OPT_G_INVALID,
3829 },
214e1eca
JA		 3830 {
3831 .name = "write_bw_log",
e8b0e958 3832 .lname = "Write bandwidth log",
dded427c 3833 .type = FIO_OPT_STR,
a609f12a 3834 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3835 .cb = str_write_bw_log_cb,
214e1eca 3836 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3837 .category = FIO_OPT_C_LOG,
3838 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3839 },
3840 {
3841 .name = "write_lat_log",
e8b0e958 3842 .lname = "Write latency log",
dded427c 3843 .type = FIO_OPT_STR,
a609f12a 3844 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3845 .cb = str_write_lat_log_cb,
214e1eca 3846 .help = "Write log of latency during run",
e8b0e958
JA		 3847 .category = FIO_OPT_C_LOG,
3848 .group = FIO_OPT_G_INVALID,
214e1eca 3849 },
c8eeb9df
JA		 3850 {
3851 .name = "write_iops_log",
e8b0e958 3852 .lname = "Write IOPS log",
dded427c 3853 .type = FIO_OPT_STR,
a609f12a 3854 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3855 .cb = str_write_iops_log_cb,
c8eeb9df 3856 .help = "Write log of IOPS during run",
e8b0e958
JA		 3857 .category = FIO_OPT_C_LOG,
3858 .group = FIO_OPT_G_INVALID,
c8eeb9df 3859 },
b8bc8cba
JA		 3860 {
3861 .name = "log_avg_msec",
e8b0e958 3862 .lname = "Log averaging (msec)",
b8bc8cba 3863 .type = FIO_OPT_INT,
a609f12a 3864 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3865 .help = "Average bw/iops/lat logs over this period of time",
3866 .def = "0",
e8b0e958 3867 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3868 .group = FIO_OPT_G_INVALID,
3869 },
3870 {
3871 .name = "log_hist_msec",
3872 .lname = "Log histograms (msec)",
3873 .type = FIO_OPT_INT,
a609f12a 3874 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3875 .help = "Dump completion latency histograms at frequency of this time value",
3876 .def = "0",
3877 .category = FIO_OPT_C_LOG,
3878 .group = FIO_OPT_G_INVALID,
3879 },
3880 {
3881 .name = "log_hist_coarseness",
3882 .lname = "Histogram logs coarseness",
3883 .type = FIO_OPT_INT,
a609f12a 3884 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3885 .help = "Integer in range [0,6]. Higher coarseness outputs"
3886 " fewer histogram bins per sample. The number of bins for"
3887 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3888 .def = "0",
3889 .category = FIO_OPT_C_LOG,
3890 .group = FIO_OPT_G_INVALID,
3891 },
3892 {
3893 .name = "write_hist_log",
3894 .lname = "Write latency histogram logs",
dded427c 3895 .type = FIO_OPT_STR,
a609f12a 3896 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3897 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3898 .help = "Write log of latency histograms during run",
3899 .category = FIO_OPT_C_LOG,
e8b0e958 3900 .group = FIO_OPT_G_INVALID,
b8bc8cba 3901 },
e6989e10
JA		 3902 {
3903 .name = "log_max_value",
3904 .lname = "Log maximum instead of average",
3905 .type = FIO_OPT_BOOL,
a609f12a 3906 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3907 .help = "Log max sample in a window instead of average",
3908 .def = "0",
3909 .category = FIO_OPT_C_LOG,
3910 .group = FIO_OPT_G_INVALID,
3911 },
ae588852
JA		 3912 {
3913 .name = "log_offset",
3914 .lname = "Log offset of IO",
3915 .type = FIO_OPT_BOOL,
a609f12a 3916 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3917 .help = "Include offset of IO for each log entry",
3918 .def = "0",
3919 .category = FIO_OPT_C_LOG,
3920 .group = FIO_OPT_G_INVALID,
3921 },
aee2ab67
JA		 3922#ifdef CONFIG_ZLIB
3923 {
3924 .name = "log_compression",
3925 .lname = "Log compression",
3926 .type = FIO_OPT_INT,
a609f12a 3927 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3928 .help = "Log in compressed chunks of this size",
9919b27b 3929 .minval = 1024ULL,
aee2ab67
JA		 3930 .maxval = 512 * 1024 * 1024ULL,
3931 .category = FIO_OPT_C_LOG,
3932 .group = FIO_OPT_G_INVALID,
3933 },
c08f9fe2
JA		 3934#ifdef FIO_HAVE_CPU_AFFINITY
3935 {
3936 .name = "log_compression_cpus",
3937 .lname = "Log Compression CPUs",
3938 .type = FIO_OPT_STR,
3939 .cb = str_log_cpus_allowed_cb,
a609f12a 3940 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 3941 .parent = "log_compression",
3942 .help = "Limit log compression to these CPUs",
3943 .category = FIO_OPT_C_LOG,
3944 .group = FIO_OPT_G_INVALID,
3945 },
a275c37a
JA		 3946#else
3947 {
3948 .name = "log_compression_cpus",
3949 .lname = "Log Compression CPUs",
3950 .type = FIO_OPT_UNSUPPORTED,
3951 .help = "Your platform does not support CPU affinities",
3952 },
c08f9fe2 3953#endif
b26317c9
JA		 3954 {
3955 .name = "log_store_compressed",
3956 .lname = "Log store compressed",
3957 .type = FIO_OPT_BOOL,
a609f12a 3958 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 3959 .help = "Store logs in a compressed format",
3960 .category = FIO_OPT_C_LOG,
3961 .group = FIO_OPT_G_INVALID,
3962 },
a275c37a
JA		 3963#else
3964 {
3965 .name = "log_compression",
3966 .lname = "Log compression",
3967 .type = FIO_OPT_UNSUPPORTED,
3968 .help = "Install libz-dev(el) to get compression support",
3969 },
3970 {
3971 .name = "log_store_compressed",
3972 .lname = "Log store compressed",
3973 .type = FIO_OPT_UNSUPPORTED,
3974 .help = "Install libz-dev(el) to get compression support",
3975 },
aee2ab67 3976#endif
3aea75b1
KC		 3977 {
3978 .name = "log_unix_epoch",
3979 .lname = "Log epoch unix",
3980 .type = FIO_OPT_BOOL,
3981 .off1 = offsetof(struct thread_options, log_unix_epoch),
3982 .help = "Use Unix time in log files",
3983 .category = FIO_OPT_C_LOG,
3984 .group = FIO_OPT_G_INVALID,
3985 },
66347cfa
DE		 3986 {
3987 .name = "block_error_percentiles",
3988 .lname = "Block error percentiles",
3989 .type = FIO_OPT_BOOL,
a609f12a 3990 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 3991 .help = "Record trim block errors and make a histogram",
3992 .def = "0",
3993 .category = FIO_OPT_C_LOG,
3994 .group = FIO_OPT_G_INVALID,
3995 },
c504ee55
JA		 3996 {
3997 .name = "bwavgtime",
3998 .lname = "Bandwidth average time",
3999 .type = FIO_OPT_INT,
a609f12a 4000 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 4001 .help = "Time window over which to calculate bandwidth"
4002 " (msec)",
4003 .def = "500",
4004 .parent = "write_bw_log",
4005 .hide = 1,
4006 .interval = 100,
4007 .category = FIO_OPT_C_LOG,
4008 .group = FIO_OPT_G_INVALID,
4009 },
4010 {
4011 .name = "iopsavgtime",
4012 .lname = "IOPS average time",
4013 .type = FIO_OPT_INT,
a609f12a 4014 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 4015 .help = "Time window over which to calculate IOPS (msec)",
4016 .def = "500",
4017 .parent = "write_iops_log",
4018 .hide = 1,
4019 .interval = 100,
4020 .category = FIO_OPT_C_LOG,
4021 .group = FIO_OPT_G_INVALID,
4022 },
214e1eca
JA		 4023 {
4024 .name = "group_reporting",
e8b0e958 4025 .lname = "Group reporting",
d2507043 4026 .type = FIO_OPT_STR_SET,
a609f12a 4027 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 4028 .help = "Do reporting on a per-group basis",
10860056 4029 .category = FIO_OPT_C_STAT,
e8b0e958 4030 .group = FIO_OPT_G_INVALID,
214e1eca 4031 },
8243be59
JA		 4032 {
4033 .name = "stats",
4034 .lname = "Stats",
4035 .type = FIO_OPT_BOOL,
4036 .off1 = offsetof(struct thread_options, stats),
4037 .help = "Enable collection of stats",
4038 .def = "1",
4039 .category = FIO_OPT_C_STAT,
4040 .group = FIO_OPT_G_INVALID,
4041 },
e9459e5a
JA		 4042 {
4043 .name = "zero_buffers",
e8b0e958 4044 .lname = "Zero I/O buffers",
e9459e5a 4045 .type = FIO_OPT_STR_SET,
a609f12a 4046 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4047 .help = "Init IO buffers to all zeroes",
e8b0e958 4048 .category = FIO_OPT_C_IO,
3ceb458f 4049 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4050 },
5973cafb
JA		 4051 {
4052 .name = "refill_buffers",
e8b0e958 4053 .lname = "Refill I/O buffers",
5973cafb 4054 .type = FIO_OPT_STR_SET,
a609f12a 4055 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4056 .help = "Refill IO buffers on every IO submit",
e8b0e958 4057 .category = FIO_OPT_C_IO,
3ceb458f 4058 .group = FIO_OPT_G_IO_BUF,
5973cafb 4059 },
fd68418e
JA		 4060 {
4061 .name = "scramble_buffers",
e8b0e958 4062 .lname = "Scramble I/O buffers",
fd68418e 4063 .type = FIO_OPT_BOOL,
a609f12a 4064 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4065 .help = "Slightly scramble buffers on every IO submit",
4066 .def = "1",
e8b0e958 4067 .category = FIO_OPT_C_IO,
3ceb458f 4068 .group = FIO_OPT_G_IO_BUF,
fd68418e 4069 },
ce35b1ec
JA		 4070 {
4071 .name = "buffer_pattern",
4072 .lname = "Buffer pattern",
4073 .type = FIO_OPT_STR,
4074 .cb = str_buffer_pattern_cb,
a609f12a 4075 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4076 .help = "Fill pattern for IO buffers",
4077 .category = FIO_OPT_C_IO,
4078 .group = FIO_OPT_G_IO_BUF,
4079 },
9c42684e
JA		 4080 {
4081 .name = "buffer_compress_percentage",
e8b0e958 4082 .lname = "Buffer compression percentage",
9c42684e 4083 .type = FIO_OPT_INT,
bedc9dc2 4084 .cb = str_buffer_compress_cb,
a609f12a 4085 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4086 .maxval = 100,
e7f5de90 4087 .minval = 0,
9c42684e 4088 .help = "How compressible the buffer is (approximately)",
20eb06bd 4089 .interval = 5,
e8b0e958 4090 .category = FIO_OPT_C_IO,
3ceb458f 4091 .group = FIO_OPT_G_IO_BUF,
9c42684e 4092 },
f97a43a1
JA		 4093 {
4094 .name = "buffer_compress_chunk",
e8b0e958 4095 .lname = "Buffer compression chunk size",
f97a43a1 4096 .type = FIO_OPT_INT,
a609f12a 4097 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4098 .parent = "buffer_compress_percentage",
d71c154c 4099 .hide = 1,
f97a43a1 4100 .help = "Size of compressible region in buffer",
1de80624 4101 .def = "512",
20eb06bd 4102 .interval = 256,
e8b0e958 4103 .category = FIO_OPT_C_IO,
3ceb458f 4104 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4105 },
5c94b008
JA		 4106 {
4107 .name = "dedupe_percentage",
4108 .lname = "Dedupe percentage",
4109 .type = FIO_OPT_INT,
4110 .cb = str_dedupe_cb,
a609f12a 4111 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4112 .maxval = 100,
4113 .minval = 0,
4114 .help = "Percentage of buffers that are dedupable",
4115 .interval = 1,
4116 .category = FIO_OPT_C_IO,
4117 .group = FIO_OPT_G_IO_BUF,
4118 },
83349190
YH		 4119 {
4120 .name = "clat_percentiles",
e8b0e958 4121 .lname = "Completion latency percentiles",
83349190 4122 .type = FIO_OPT_BOOL,
a609f12a 4123 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4124 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4125 .def = "1",
b599759b
JA		 4126 .inverse = "lat_percentiles",
4127 .category = FIO_OPT_C_STAT,
4128 .group = FIO_OPT_G_INVALID,
4129 },
4130 {
4131 .name = "lat_percentiles",
4132 .lname = "IO latency percentiles",
4133 .type = FIO_OPT_BOOL,
4134 .off1 = offsetof(struct thread_options, lat_percentiles),
4135 .help = "Enable the reporting of IO latency percentiles",
4136 .def = "0",
4137 .inverse = "clat_percentiles",
e8b0e958
JA		 4138 .category = FIO_OPT_C_STAT,
4139 .group = FIO_OPT_G_INVALID,
83349190
YH		 4140 },
4141 {
4142 .name = "percentile_list",
66347cfa 4143 .lname = "Percentile list",
83349190 4144 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4145 .off1 = offsetof(struct thread_options, percentile_list),
4146 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4147 .help = "Specify a custom list of percentiles to report for "
4148 "completion latency and block errors",
fd112d34 4149 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4150 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4151 .minfp = 0.0,
4152 .maxfp = 100.0,
e8b0e958
JA		 4153 .category = FIO_OPT_C_STAT,
4154 .group = FIO_OPT_G_INVALID,
e883cb35
JF		 4155 },
4156 {
4157 .name = "significant_figures",
4158 .lname = "Significant figures",
4159 .type = FIO_OPT_INT,
4160 .off1 = offsetof(struct thread_options, sig_figs),
4161 .maxval = 10,
4162 .minval = 1,
4163 .help = "Significant figures for output-format set to normal",
4164 .def = "4",
4165 .interval = 1,
4166 .category = FIO_OPT_C_STAT,
4167 .group = FIO_OPT_G_INVALID,
83349190
YH		 4168 },
4169
0a839f30
JA		 4170#ifdef FIO_HAVE_DISK_UTIL
4171 {
4172 .name = "disk_util",
e8b0e958 4173 .lname = "Disk utilization",
0a839f30 4174 .type = FIO_OPT_BOOL,
a609f12a 4175 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4176 .help = "Log disk utilization statistics",
0a839f30 4177 .def = "1",
e8b0e958
JA		 4178 .category = FIO_OPT_C_STAT,
4179 .group = FIO_OPT_G_INVALID,
0a839f30 4180 },
a275c37a
JA		 4181#else
4182 {
4183 .name = "disk_util",
4184 .lname = "Disk utilization",
4185 .type = FIO_OPT_UNSUPPORTED,
4186 .help = "Your platform does not support disk utilization",
4187 },
0a839f30 4188#endif
993bf48b
JA		 4189 {
4190 .name = "gtod_reduce",
e8b0e958 4191 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4192 .type = FIO_OPT_BOOL,
4193 .help = "Greatly reduce number of gettimeofday() calls",
4194 .cb = str_gtod_reduce_cb,
4195 .def = "0",
a4ed77fe 4196 .hide_on_set = 1,
e8b0e958
JA		 4197 .category = FIO_OPT_C_STAT,
4198 .group = FIO_OPT_G_INVALID,
993bf48b 4199 },
02af0988
JA		 4200 {
4201 .name = "disable_lat",
e8b0e958 4202 .lname = "Disable all latency stats",
02af0988 4203 .type = FIO_OPT_BOOL,
a609f12a 4204 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4205 .help = "Disable latency numbers",
4206 .parent = "gtod_reduce",
d71c154c 4207 .hide = 1,
02af0988 4208 .def = "0",
e8b0e958
JA		 4209 .category = FIO_OPT_C_STAT,
4210 .group = FIO_OPT_G_INVALID,
02af0988 4211 },
9520ebb9
JA		 4212 {
4213 .name = "disable_clat",
e8b0e958 4214 .lname = "Disable completion latency stats",
9520ebb9 4215 .type = FIO_OPT_BOOL,
a609f12a 4216 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4217 .help = "Disable completion latency numbers",
993bf48b 4218 .parent = "gtod_reduce",
d71c154c 4219 .hide = 1,
9520ebb9 4220 .def = "0",
e8b0e958
JA		 4221 .category = FIO_OPT_C_STAT,
4222 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4223 },
4224 {
4225 .name = "disable_slat",
e8b0e958 4226 .lname = "Disable submission latency stats",
9520ebb9 4227 .type = FIO_OPT_BOOL,
a609f12a 4228 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4229 .help = "Disable submission latency numbers",
993bf48b 4230 .parent = "gtod_reduce",
d71c154c 4231 .hide = 1,
9520ebb9 4232 .def = "0",
e8b0e958
JA		 4233 .category = FIO_OPT_C_STAT,
4234 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4235 },
4236 {
4237 .name = "disable_bw_measurement",
afd2ceff 4238 .alias = "disable_bw",
e8b0e958 4239 .lname = "Disable bandwidth stats",
9520ebb9 4240 .type = FIO_OPT_BOOL,
a609f12a 4241 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4242 .help = "Disable bandwidth logging",
993bf48b 4243 .parent = "gtod_reduce",
d71c154c 4244 .hide = 1,
9520ebb9 4245 .def = "0",
e8b0e958
JA		 4246 .category = FIO_OPT_C_STAT,
4247 .group = FIO_OPT_G_INVALID,
9520ebb9 4248 },
be4ecfdf
JA		 4249 {
4250 .name = "gtod_cpu",
e8b0e958 4251 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4252 .type = FIO_OPT_INT,
a609f12a 4253 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4254 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4255 .verify = gtod_cpu_verify,
e8b0e958 4256 .category = FIO_OPT_C_GENERAL,
10860056 4257 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4258 },
771e58be
JA		 4259 {
4260 .name = "unified_rw_reporting",
cce2fdfe 4261 .lname = "Unified RW Reporting",
771e58be 4262 .type = FIO_OPT_BOOL,
a609f12a 4263 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4264 .help = "Unify reporting across data direction",
4265 .def = "0",
90b7a96d
JA		 4266 .category = FIO_OPT_C_GENERAL,
4267 .group = FIO_OPT_G_INVALID,
771e58be 4268 },
f2bba182
RR		 4269 {
4270 .name = "continue_on_error",
e8b0e958 4271 .lname = "Continue on error",
06842027 4272 .type = FIO_OPT_STR,
a609f12a 4273 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4274 .help = "Continue on non-fatal errors during IO",
06842027 4275 .def = "none",
e8b0e958 4276 .category = FIO_OPT_C_GENERAL,
bc3f552f 4277 .group = FIO_OPT_G_ERR,
06842027
SL		 4278 .posval = {
4279 { .ival = "none",
4280 .oval = ERROR_TYPE_NONE,
4281 .help = "Exit when an error is encountered",
4282 },
4283 { .ival = "read",
4284 .oval = ERROR_TYPE_READ,
4285 .help = "Continue on read errors only",
4286 },
4287 { .ival = "write",
4288 .oval = ERROR_TYPE_WRITE,
4289 .help = "Continue on write errors only",
4290 },
4291 { .ival = "io",
4292 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4293 .help = "Continue on any IO errors",
4294 },
4295 { .ival = "verify",
4296 .oval = ERROR_TYPE_VERIFY,
4297 .help = "Continue on verify errors only",
4298 },
4299 { .ival = "all",
4300 .oval = ERROR_TYPE_ANY,
4301 .help = "Continue on all io and verify errors",
4302 },
4303 { .ival = "0",
4304 .oval = ERROR_TYPE_NONE,
4305 .help = "Alias for 'none'",
4306 },
4307 { .ival = "1",
4308 .oval = ERROR_TYPE_ANY,
4309 .help = "Alias for 'all'",
4310 },
4311 },
f2bba182 4312 },
8b28bd41
DM		 4313 {
4314 .name = "ignore_error",
cce2fdfe 4315 .lname = "Ignore Error",
8b28bd41
DM		 4316 .type = FIO_OPT_STR,
4317 .cb = str_ignore_error_cb,
a609f12a 4318 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4319 .help = "Set a specific list of errors to ignore",
4320 .parent = "rw",
a94eb99a 4321 .category = FIO_OPT_C_GENERAL,
bc3f552f 4322 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4323 },
4324 {
4325 .name = "error_dump",
cce2fdfe 4326 .lname = "Error Dump",
8b28bd41 4327 .type = FIO_OPT_BOOL,
a609f12a 4328 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4329 .def = "0",
4330 .help = "Dump info on each error",
a94eb99a 4331 .category = FIO_OPT_C_GENERAL,
bc3f552f 4332 .group = FIO_OPT_G_ERR,
8b28bd41 4333 },
9ac8a797
JA		 4334 {
4335 .name = "profile",
e8b0e958 4336 .lname = "Profile",
79d16311 4337 .type = FIO_OPT_STR_STORE,
a609f12a 4338 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4339 .help = "Select a specific builtin performance test",
13fca827 4340 .category = FIO_OPT_C_PROFILE,
e8b0e958 4341 .group = FIO_OPT_G_INVALID,
9ac8a797 4342 },
a696fa2a
JA		 4343 {
4344 .name = "cgroup",
e8b0e958 4345 .lname = "Cgroup",
a696fa2a 4346 .type = FIO_OPT_STR_STORE,
a609f12a 4347 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4348 .help = "Add job to cgroup of this name",
e8b0e958 4349 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4350 .group = FIO_OPT_G_CGROUP,
4351 },
4352 {
4353 .name = "cgroup_nodelete",
4354 .lname = "Cgroup no-delete",
4355 .type = FIO_OPT_BOOL,
a609f12a 4356 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4357 .help = "Do not delete cgroups after job completion",
4358 .def = "0",
4359 .parent = "cgroup",
4360 .category = FIO_OPT_C_GENERAL,
4361 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4362 },
4363 {
4364 .name = "cgroup_weight",
e8b0e958 4365 .lname = "Cgroup weight",
a696fa2a 4366 .type = FIO_OPT_INT,
a609f12a 4367 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4368 .help = "Use given weight for cgroup",
4369 .minval = 100,
4370 .maxval = 1000,
a1f6afec 4371 .parent = "cgroup",
e8b0e958 4372 .category = FIO_OPT_C_GENERAL,
a1f6afec 4373 .group = FIO_OPT_G_CGROUP,
7de87099 4374 },
e0b0d892
JA		 4375 {
4376 .name = "uid",
e8b0e958 4377 .lname = "User ID",
e0b0d892 4378 .type = FIO_OPT_INT,
a609f12a 4379 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4380 .help = "Run job with this user ID",
e8b0e958 4381 .category = FIO_OPT_C_GENERAL,
10860056 4382 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4383 },
4384 {
4385 .name = "gid",
e8b0e958 4386 .lname = "Group ID",
e0b0d892 4387 .type = FIO_OPT_INT,
a609f12a 4388 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4389 .help = "Run job with this group ID",
e8b0e958 4390 .category = FIO_OPT_C_GENERAL,
10860056 4391 .group = FIO_OPT_G_CRED,
e0b0d892 4392 },
a1f6afec
JA		 4393 {
4394 .name = "kb_base",
4395 .lname = "KB Base",
4396 .type = FIO_OPT_INT,
a609f12a 4397 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4398 .prio = 1,
4399 .def = "1024",
ba9c7219
JA		 4400 .posval = {
4401 { .ival = "1024",
4402 .oval = 1024,
d694a6a7 4403 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4404 },
4405 { .ival = "1000",
4406 .oval = 1000,
d694a6a7 4407 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4408 },
4409 },
d694a6a7 4410 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4411 .category = FIO_OPT_C_GENERAL,
4412 .group = FIO_OPT_G_INVALID,
4413 },
cf3a0518
JA		 4414 {
4415 .name = "unit_base",
d694a6a7 4416 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4417 .type = FIO_OPT_INT,
a609f12a 4418 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4419 .prio = 1,
71a08258
JA		 4420 .posval = {
4421 { .ival = "0",
4422 .oval = 0,
4423 .help = "Auto-detect",
4424 },
4425 { .ival = "8",
4426 .oval = 8,
4427 .help = "Normal (byte based)",
4428 },
4429 { .ival = "1",
4430 .oval = 1,
4431 .help = "Bit based",
4432 },
4433 },
cf3a0518
JA		 4434 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4435 .category = FIO_OPT_C_GENERAL,
4436 .group = FIO_OPT_G_INVALID,
4437 },
3ceb458f
JA		 4438 {
4439 .name = "hugepage-size",
4440 .lname = "Hugepage size",
4441 .type = FIO_OPT_INT,
a609f12a 4442 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4443 .help = "When using hugepages, specify size of each page",
4444 .def = __fio_stringify(FIO_HUGE_PAGE),
4445 .interval = 1024 * 1024,
4446 .category = FIO_OPT_C_GENERAL,
4447 .group = FIO_OPT_G_INVALID,
4448 },
9e684a49
DE		 4449 {
4450 .name = "flow_id",
e8b0e958 4451 .lname = "I/O flow ID",
9e684a49 4452 .type = FIO_OPT_INT,
a609f12a 4453 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4454 .help = "The flow index ID to use",
4455 .def = "0",
e8b0e958
JA		 4456 .category = FIO_OPT_C_IO,
4457 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4458 },
4459 {
4460 .name = "flow",
e8b0e958 4461 .lname = "I/O flow weight",
9e684a49 4462 .type = FIO_OPT_INT,
a609f12a 4463 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4464 .help = "Weight for flow control of this job",
4465 .parent = "flow_id",
d71c154c 4466 .hide = 1,
9e684a49 4467 .def = "0",
e8b0e958
JA		 4468 .category = FIO_OPT_C_IO,
4469 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4470 },
4471 {
4472 .name = "flow_watermark",
e8b0e958 4473 .lname = "I/O flow watermark",
9e684a49 4474 .type = FIO_OPT_INT,
a609f12a 4475 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4476 .help = "High watermark for flow control. This option"
4477 " should be set to the same value for all threads"
4478 " with non-zero flow.",
4479 .parent = "flow_id",
d71c154c 4480 .hide = 1,
9e684a49 4481 .def = "1024",
e8b0e958
JA		 4482 .category = FIO_OPT_C_IO,
4483 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4484 },
4485 {
4486 .name = "flow_sleep",
e8b0e958 4487 .lname = "I/O flow sleep",
9e684a49 4488 .type = FIO_OPT_INT,
a609f12a 4489 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4490 .help = "How many microseconds to sleep after being held"
4491 " back by the flow control mechanism",
4492 .parent = "flow_id",
d71c154c 4493 .hide = 1,
9e684a49 4494 .def = "0",
e8b0e958
JA		 4495 .category = FIO_OPT_C_IO,
4496 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4497 },
16e56d25
VF		 4498 {
4499 .name = "steadystate",
4500 .lname = "Steady state threshold",
4501 .alias = "ss",
4502 .type = FIO_OPT_STR,
2c5d94bc 4503 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4504 .cb = str_steadystate_cb,
4505 .help = "Define the criterion and limit to judge when a job has reached steady state",
4506 .def = "iops_slope:0.01%",
4507 .posval = {
4508 { .ival = "iops",
f0c50c66 4509 .oval = FIO_SS_IOPS,
16e56d25
VF		 4510 .help = "maximum mean deviation of IOPS measurements",
4511 },
4512 { .ival = "iops_slope",
f0c50c66 4513 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4514 .help = "slope calculated from IOPS measurements",
4515 },
4516 { .ival = "bw",
f0c50c66 4517 .oval = FIO_SS_BW,
16e56d25
VF		 4518 .help = "maximum mean deviation of bandwidth measurements",
4519 },
4520 {
4521 .ival = "bw_slope",
f0c50c66 4522 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4523 .help = "slope calculated from bandwidth measurements",
4524 },
4525 },
4526 .category = FIO_OPT_C_GENERAL,
4527 .group = FIO_OPT_G_RUNTIME,
4528 },
4529 {
4530 .name = "steadystate_duration",
4531 .lname = "Steady state duration",
4532 .alias = "ss_dur",
915ca980 4533 .parent = "steadystate",
16e56d25
VF		 4534 .type = FIO_OPT_STR_VAL_TIME,
4535 .off1 = offsetof(struct thread_options, ss_dur),
4536 .help = "Stop workload upon attaining steady state for specified duration",
4537 .def = "0",
4538 .is_seconds = 1,
4539 .is_time = 1,
4540 .category = FIO_OPT_C_GENERAL,
4541 .group = FIO_OPT_G_RUNTIME,
4542 },
4543 {
4544 .name = "steadystate_ramp_time",
4545 .lname = "Steady state ramp time",
4546 .alias = "ss_ramp",
915ca980 4547 .parent = "steadystate",
16e56d25
VF		 4548 .type = FIO_OPT_STR_VAL_TIME,
4549 .off1 = offsetof(struct thread_options, ss_ramp_time),
4550 .help = "Delay before initiation of data collection for steady state job termination testing",
4551 .def = "0",
4552 .is_seconds = 1,
4553 .is_time = 1,
4554 .category = FIO_OPT_C_GENERAL,
4555 .group = FIO_OPT_G_RUNTIME,
4556 },
214e1eca
JA		 4557 {
4558 .name = NULL,
4559 },
4560};
4561
17af15d4 4562static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4563 const char *name, int val)
9f81736c 4564{
17af15d4 4565 lopt->name = (char *) name;
de890a1e 4566 lopt->val = val;
9f81736c 4567 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4568 lopt->has_arg = optional_argument;
9f81736c
JA		 4569 else
4570 lopt->has_arg = required_argument;
4571}
4572
de890a1e
SL		 4573static void options_to_lopts(struct fio_option *opts,
4574 struct option *long_options,
4575 int i, int option_type)
214e1eca 4576{
de890a1e 4577 struct fio_option *o = &opts[0];
214e1eca 4578 while (o->name) {
de890a1e 4579 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4580 if (o->alias) {
4581 i++;
de890a1e 4582 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4583 }
214e1eca
JA		 4584
4585 i++;
4586 o++;
4587 assert(i < FIO_NR_OPTIONS);
4588 }
4589}
4590
de890a1e
SL		 4591void fio_options_set_ioengine_opts(struct option *long_options,
4592 struct thread_data *td)
4593{
4594 unsigned int i;
4595
4596 i = 0;
4597 while (long_options[i].name) {
4598 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4599 memset(&long_options[i], 0, sizeof(*long_options));
4600 break;
4601 }
4602 i++;
4603 }
4604
4605 /*
4606 * Just clear out the prior ioengine options.
4607 */
4608 if (!td || !td->eo)
4609 return;
4610
4611 options_to_lopts(td->io_ops->options, long_options, i,
4612 FIO_GETOPT_IOENGINE);
4613}
4614
4615void fio_options_dup_and_init(struct option *long_options)
4616{
4617 unsigned int i;
4618
9af4a244 4619 options_init(fio_options);
de890a1e
SL		 4620
4621 i = 0;
4622 while (long_options[i].name)
4623 i++;
4624
9af4a244 4625 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4626}
4627
74929ac2
JA		 4628struct fio_keyword {
4629 const char *word;
4630 const char *desc;
4631 char *replace;
4632};
4633
4634static struct fio_keyword fio_keywords[] = {
4635 {
4636 .word = "$pagesize",
4637 .desc = "Page size in the system",
4638 },
4639 {
4640 .word = "$mb_memory",
4641 .desc = "Megabytes of memory online",
4642 },
4643 {
4644 .word = "$ncpus",
4645 .desc = "Number of CPUs online in the system",
4646 },
4647 {
4648 .word = NULL,
4649 },
4650};
4651
af1dc266
JA		 4652void fio_keywords_exit(void)
4653{
4654 struct fio_keyword *kw;
4655
4656 kw = &fio_keywords[0];
4657 while (kw->word) {
4658 free(kw->replace);
4659 kw->replace = NULL;
4660 kw++;
4661 }
4662}
4663
74929ac2
JA		 4664void fio_keywords_init(void)
4665{
3b2e1464 4666 unsigned long long mb_memory;
74929ac2
JA		 4667 char buf[128];
4668 long l;
4669
a4cfc477 4670 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4671 fio_keywords[0].replace = strdup(buf);
4672
8eb016d3 4673 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4674 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4675 fio_keywords[1].replace = strdup(buf);
4676
c00a2289 4677 l = cpus_online();
74929ac2
JA		 4678 sprintf(buf, "%lu", l);
4679 fio_keywords[2].replace = strdup(buf);
4680}
4681
892a6ffc
JA		 4682#define BC_APP "bc"
4683
4684static char *bc_calc(char *str)
4685{
d0c814ec 4686 char buf[128], *tmp;
892a6ffc
JA		 4687 FILE *f;
4688 int ret;
4689
4690 /*
4691 * No math, just return string
4692 */
d0c814ec
SL		 4693 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4694 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4695 return str;
4696
4697 /*
4698 * Split option from value, we only need to calculate the value
4699 */
4700 tmp = strchr(str, '=');
4701 if (!tmp)
4702 return str;
4703
4704 tmp++;
892a6ffc 4705
d0c814ec
SL		 4706 /*
4707 * Prevent buffer overflows; such a case isn't reasonable anyway
4708 */
4709 if (strlen(str) >= 128 || strlen(tmp) > 100)
4710 return str;
892a6ffc
JA		 4711
4712 sprintf(buf, "which %s > /dev/null", BC_APP);
4713 if (system(buf)) {
4714 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4715 return NULL;
4716 }
4717
d0c814ec 4718 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4719 f = popen(buf, "r");
3c3ed070 4720 if (!f)
892a6ffc 4721 return NULL;
892a6ffc 4722
d0c814ec 4723 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4724 if (ret <= 0) {
4725 pclose(f);
892a6ffc 4726 return NULL;
1d824f37 4727 }
892a6ffc 4728
892a6ffc 4729 pclose(f);
d0c814ec
SL		 4730 buf[(tmp - str) + ret - 1] = '\0';
4731 memcpy(buf, str, tmp - str);
892a6ffc 4732 free(str);
d0c814ec
SL		 4733 return strdup(buf);
4734}
4735
4736/*
4737 * Return a copy of the input string with substrings of the form ${VARNAME}
4738 * substituted with the value of the environment variable VARNAME. The
4739 * substitution always occurs, even if VARNAME is empty or the corresponding
4740 * environment variable undefined.
4741 */
4742static char *option_dup_subs(const char *opt)
4743{
4744 char out[OPT_LEN_MAX+1];
4745 char in[OPT_LEN_MAX+1];
4746 char *outptr = out;
4747 char *inptr = in;
4748 char *ch1, *ch2, *env;
4749 ssize_t nchr = OPT_LEN_MAX;
4750 size_t envlen;
4751
4752 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4753 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4754 return NULL;
4755 }
4756
4757 in[OPT_LEN_MAX] = '\0';
4758 strncpy(in, opt, OPT_LEN_MAX);
4759
4760 while (*inptr && nchr > 0) {
4761 if (inptr[0] == '$' && inptr[1] == '{') {
4762 ch2 = strchr(inptr, '}');
4763 if (ch2 && inptr+1 < ch2) {
4764 ch1 = inptr+2;
4765 inptr = ch2+1;
4766 *ch2 = '\0';
4767
4768 env = getenv(ch1);
4769 if (env) {
4770 envlen = strlen(env);
4771 if (envlen <= nchr) {
4772 memcpy(outptr, env, envlen);
4773 outptr += envlen;
4774 nchr -= envlen;
4775 }
4776 }
4777
4778 continue;
4779 }
4780 }
4781
4782 *outptr++ = *inptr++;
4783 --nchr;
4784 }
4785
4786 *outptr = '\0';
4787 return strdup(out);
892a6ffc
JA		 4788}
4789
74929ac2
JA		 4790/*
4791 * Look for reserved variable names and replace them with real values
4792 */
4793static char *fio_keyword_replace(char *opt)
4794{
4795 char *s;
4796 int i;
d0c814ec 4797 int docalc = 0;
74929ac2
JA		 4798
4799 for (i = 0; fio_keywords[i].word != NULL; i++) {
4800 struct fio_keyword *kw = &fio_keywords[i];
4801
4802 while ((s = strstr(opt, kw->word)) != NULL) {
4803 char *new = malloc(strlen(opt) + 1);
4804 char *o_org = opt;
4805 int olen = s - opt;
4806 int len;
4807
4808 /*
4809 * Copy part of the string before the keyword and
4810 * sprintf() the replacement after it.
4811 */
4812 memcpy(new, opt, olen);
4813 len = sprintf(new + olen, "%s", kw->replace);
4814
4815 /*
4816 * If there's more in the original string, copy that
4817 * in too
4818 */
4819 opt += strlen(kw->word) + olen;
4820 if (strlen(opt))
4821 memcpy(new + olen + len, opt, opt - o_org - 1);
4822
4823 /*
4824 * replace opt and free the old opt
4825 */
4826 opt = new;
d0c814ec 4827 free(o_org);
7a958bd5 4828
d0c814ec 4829 docalc = 1;
74929ac2
JA		 4830 }
4831 }
4832
d0c814ec
SL		 4833 /*
4834 * Check for potential math and invoke bc, if possible
4835 */
4836 if (docalc)
4837 opt = bc_calc(opt);
4838
7a958bd5 4839 return opt;
74929ac2
JA		 4840}
4841
d0c814ec
SL		 4842static char **dup_and_sub_options(char **opts, int num_opts)
4843{
4844 int i;
4845 char **opts_copy = malloc(num_opts * sizeof(*opts));
4846 for (i = 0; i < num_opts; i++) {
4847 opts_copy[i] = option_dup_subs(opts[i]);
4848 if (!opts_copy[i])
4849 continue;
4850 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4851 }
4852 return opts_copy;
4853}
4854
e15b023b 4855static void show_closest_option(const char *opt)
a2d027b9
JA		 4856{
4857 int best_option, best_distance;
4858 int i, distance;
e15b023b
JA		 4859 char *name;
4860
4861 if (!strlen(opt))
4862 return;
4863
4864 name = strdup(opt);
4865 i = 0;
4866 while (name[i] != '\0' && name[i] != '=')
4867 i++;
4868 name[i] = '\0';
a2d027b9
JA		 4869
4870 best_option = -1;
4871 best_distance = INT_MAX;
4872 i = 0;
4873 while (fio_options[i].name) {
4874 distance = string_distance(name, fio_options[i].name);
4875 if (distance < best_distance) {
4876 best_distance = distance;
4877 best_option = i;
4878 }
4879 i++;
4880 }
4881
75e6bcba
JA		 4882 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4883 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4884 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4885
4886 free(name);
a2d027b9
JA		 4887}
4888
c2292325 4889int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4890{
de890a1e 4891 int i, ret, unknown;
d0c814ec 4892 char **opts_copy;
3b8b7135 4893
9af4a244 4894 sort_options(opts, fio_options, num_opts);
d0c814ec 4895 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4896
de890a1e
SL		 4897 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4898 struct fio_option *o;
9af4a244 4899 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4900 &o, &td->o, &td->opt_list);
d0c814ec 4901
a8523a6a
JA		 4902 if (!newret && o)
4903 fio_option_mark_set(&td->o, o);
4904
de890a1e
SL		 4905 if (opts_copy[i]) {
4906 if (newret && !o) {
4907 unknown++;
4908 continue;
4909 }
d0c814ec 4910 free(opts_copy[i]);
de890a1e
SL		 4911 opts_copy[i] = NULL;
4912 }
4913
4914 ret |= newret;
4915 }
4916
4917 if (unknown) {
4918 ret |= ioengine_load(td);
4919 if (td->eo) {
4920 sort_options(opts_copy, td->io_ops->options, num_opts);
4921 opts = opts_copy;
4922 }
4923 for (i = 0; i < num_opts; i++) {
4924 struct fio_option *o = NULL;
4925 int newret = 1;
a2d027b9 4926
de890a1e
SL		 4927 if (!opts_copy[i])
4928 continue;
4929
4930 if (td->eo)
4931 newret = parse_option(opts_copy[i], opts[i],
4932 td->io_ops->options, &o,
66e19a38 4933 td->eo, &td->opt_list);
de890a1e
SL		 4934
4935 ret |= newret;
a2d027b9 4936 if (!o) {
de890a1e 4937 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4938 show_closest_option(opts[i]);
4939 }
de890a1e
SL		 4940 free(opts_copy[i]);
4941 opts_copy[i] = NULL;
4942 }
74929ac2 4943 }
3b8b7135 4944
d0c814ec 4945 free(opts_copy);
3b8b7135 4946 return ret;
214e1eca
JA		 4947}
4948
4949int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4950{
a8523a6a
JA		 4951 int ret;
4952
a609f12a 4953 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a
JA		 4954 if (!ret) {
4955 struct fio_option *o;
4956
4957 o = find_option(fio_options, opt);
4958 if (o)
4959 fio_option_mark_set(&td->o, o);
4960 }
4961
4962 return ret;
214e1eca
JA		 4963}
4964
de890a1e
SL		 4965int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4966 char *val)
4967{
d8b4f395
JA		 4968 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4969 &td->opt_list);
de890a1e
SL		 4970}
4971
214e1eca
JA		 4972void fio_fill_default_options(struct thread_data *td)
4973{
cb1402d6 4974 td->o.magic = OPT_MAGIC;
a609f12a 4975 fill_default_options(&td->o, fio_options);
214e1eca
JA		 4976}
4977
4978int fio_show_option_help(const char *opt)
4979{
9af4a244 4980 return show_cmd_help(fio_options, opt);
214e1eca 4981}
d23bb327 4982
de890a1e
SL		 4983/*
4984 * dupe FIO_OPT_STR_STORE options
4985 */
4986void fio_options_mem_dupe(struct thread_data *td)
4987{
53b5693d 4988 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 4989
4990 if (td->eo && td->io_ops) {
de890a1e 4991 void *oldeo = td->eo;
1647f592 4992
de890a1e
SL		 4993 td->eo = malloc(td->io_ops->option_struct_size);
4994 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 4995 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 4996 }
4997}
4998
d6978a32
JA		 4999unsigned int fio_get_kb_base(void *data)
5000{
a609f12a
JA		 5001 struct thread_data *td = cb_data_to_td(data);
5002 struct thread_options *o = &td->o;
d6978a32
JA		 5003 unsigned int kb_base = 0;
5004
cb1402d6
JA		 5005 /*
5006 * This is a hack... For private options, *data is not holding
5007 * a pointer to the thread_options, but to private data. This means
5008 * we can't safely dereference it, but magic is first so mem wise
5009 * it is valid. But this also means that if the job first sets
5010 * kb_base and expects that to be honored by private options,
5011 * it will be disappointed. We will return the global default
5012 * for this.
5013 */
5014 if (o && o->magic == OPT_MAGIC)
83ea422a 5015 kb_base = o->kb_base;
d6978a32
JA		 5016 if (!kb_base)
5017 kb_base = 1024;
5018
5019 return kb_base;
5020}
9f988e2e 5021
07b3232d 5022int add_option(struct fio_option *o)
9f988e2e 5023{
07b3232d
JA		 5024 struct fio_option *__o;
5025 int opt_index = 0;
5026
9af4a244 5027 __o = fio_options;
07b3232d
JA		 5028 while (__o->name) {
5029 opt_index++;
5030 __o++;
5031 }
5032
7b504edd
JA		 5033 if (opt_index + 1 == FIO_MAX_OPTS) {
5034 log_err("fio: FIO_MAX_OPTS is too small\n");
5035 return 1;
5036 }
5037
9af4a244 5038 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 5039 fio_options[opt_index + 1].name = NULL;
07b3232d 5040 return 0;
9f988e2e 5041}
e2de69da 5042
07b3232d 5043void invalidate_profile_options(const char *prof_name)
e2de69da 5044{
07b3232d 5045 struct fio_option *o;
e2de69da 5046
9af4a244 5047 o = fio_options;
07b3232d
JA		 5048 while (o->name) {
5049 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5050 o->type = FIO_OPT_INVALID;
5051 o->prof_name = NULL;
5052 }
5053 o++;
e2de69da
JA		 5054 }
5055}
f5b6bb85
JA		 5056
5057void add_opt_posval(const char *optname, const char *ival, const char *help)
5058{
5059 struct fio_option *o;
5060 unsigned int i;
5061
9af4a244 5062 o = find_option(fio_options, optname);
f5b6bb85
JA		 5063 if (!o)
5064 return;
5065
5066 for (i = 0; i < PARSE_MAX_VP; i++) {
5067 if (o->posval[i].ival)
5068 continue;
5069
5070 o->posval[i].ival = ival;
5071 o->posval[i].help = help;
5072 break;
5073 }
5074}
5075
5076void del_opt_posval(const char *optname, const char *ival)
5077{
5078 struct fio_option *o;
5079 unsigned int i;
5080
9af4a244 5081 o = find_option(fio_options, optname);
f5b6bb85
JA		 5082 if (!o)
5083 return;
5084
5085 for (i = 0; i < PARSE_MAX_VP; i++) {
5086 if (!o->posval[i].ival)
5087 continue;
5088 if (strcmp(o->posval[i].ival, ival))
5089 continue;
5090
5091 o->posval[i].ival = NULL;
5092 o->posval[i].help = NULL;
5093 }
5094}
7e356b2d
JA		 5095
5096void fio_options_free(struct thread_data *td)
5097{
ca6336a8 5098 options_free(fio_options, &td->o);
de890a1e
SL		 5099 if (td->eo && td->io_ops && td->io_ops->options) {
5100 options_free(td->io_ops->options, td->eo);
5101 free(td->eo);
5102 td->eo = NULL;
5103 }
7e356b2d 5104}
c504ee55
JA		 5105
5106struct fio_option *fio_option_find(const char *name)
5107{
5108 return find_option(fio_options, name);
5109}
5110
f0e7f45a
JA		 5111static struct fio_option *find_next_opt(struct thread_options *o,
5112 struct fio_option *from,
5113 unsigned int off1)
a8523a6a 5114{
f0e7f45a 5115 struct fio_option *opt;
a8523a6a 5116
f0e7f45a
JA		 5117 if (!from)
5118 from = &fio_options[0];
5119 else
5120 from++;
5121
5122 opt = NULL;
5123 do {
5124 if (off1 == from->off1) {
5125 opt = from;
a8523a6a
JA		 5126 break;
5127 }
f0e7f45a
JA		 5128 from++;
5129 } while (from->name);
a8523a6a 5130
f0e7f45a
JA		 5131 return opt;
5132}
5133
5134static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5135{
5136 unsigned int opt_off, index, offset;
a8523a6a
JA		 5137
5138 opt_off = opt - &fio_options[0];
5139 index = opt_off / (8 * sizeof(uint64_t));
5140 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5141 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5142}
5143
72f39748 5144bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5145{
5146 struct fio_option *opt, *next;
5147
5148 next = NULL;
5149 while ((opt = find_next_opt(o, next, off1)) != NULL) {
5150 if (opt_is_set(o, opt))
72f39748 5151 return true;
f0e7f45a
JA		 5152
5153 next = opt;
5154 }
5155
72f39748 5156 return false;
f0e7f45a
JA		 5157}
5158
a8523a6a
JA		 5159void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
5160{
5161 unsigned int opt_off, index, offset;
5162
5163 opt_off = opt - &fio_options[0];
5164 index = opt_off / (8 * sizeof(uint64_t));
5165 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5166 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5167}
fio - Flexible IO Tester