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workqueue: style cleanup
[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"
9f988e2e 17#include "options.h"
214e1eca 18
5d7c5d34
JA		 19#include "crc/crc32c.h"
20
e13c3b50 21char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 22
214e1eca
JA		 23/*
24 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
25 */
26static char *get_opt_postfix(const char *str)
27{
28 char *p = strstr(str, ":");
29
30 if (!p)
31 return NULL;
32
33 p++;
34 strip_blank_front(&p);
35 strip_blank_end(p);
36 return strdup(p);
37}
38
0e92f873
RR		 39static int converthexchartoint(char a)
40{
41 int base;
42
3c3ed070 43 switch (a) {
0e92f873
RR		 44 case '0'...'9':
45 base = '0';
46 break;
47 case 'A'...'F':
48 base = 'A' - 10;
49 break;
50 case 'a'...'f':
51 base = 'a' - 10;
52 break;
53 default:
54 base = 0;
55 }
3c3ed070 56 return a - base;
0e92f873
RR		 57}
58
564ca972
JA		 59static int bs_cmp(const void *p1, const void *p2)
60{
61 const struct bssplit *bsp1 = p1;
62 const struct bssplit *bsp2 = p2;
63
64 return bsp1->perc < bsp2->perc;
65}
66
83ea422a 67static int bssplit_ddir(struct thread_options *o, int ddir, char *str)
564ca972 68{
720e84ad 69 struct bssplit *bssplit;
564ca972
JA		 70 unsigned int i, perc, perc_missing;
71 unsigned int max_bs, min_bs;
72 long long val;
720e84ad 73 char *fname;
564ca972 74
83ea422a 75 o->bssplit_nr[ddir] = 4;
720e84ad 76 bssplit = malloc(4 * sizeof(struct bssplit));
564ca972
JA		 77
78 i = 0;
79 max_bs = 0;
80 min_bs = -1;
81 while ((fname = strsep(&str, ":")) != NULL) {
82 char *perc_str;
83
84 if (!strlen(fname))
85 break;
86
87 /*
88 * grow struct buffer, if needed
89 */
83ea422a
JA		 90 if (i == o->bssplit_nr[ddir]) {
91 o->bssplit_nr[ddir] <<= 1;
92 bssplit = realloc(bssplit, o->bssplit_nr[ddir]
5ec10eaa 93 * sizeof(struct bssplit));
564ca972
JA		 94 }
95
96 perc_str = strstr(fname, "/");
97 if (perc_str) {
98 *perc_str = '\0';
99 perc_str++;
100 perc = atoi(perc_str);
101 if (perc > 100)
102 perc = 100;
103 else if (!perc)
d711cce5 104 perc = -1U;
564ca972 105 } else
d711cce5 106 perc = -1U;
564ca972 107
88038bc7 108 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
564ca972 109 log_err("fio: bssplit conversion failed\n");
d8b97c8e 110 free(bssplit);
564ca972
JA		 111 return 1;
112 }
113
114 if (val > max_bs)
115 max_bs = val;
116 if (val < min_bs)
117 min_bs = val;
118
720e84ad
JA		 119 bssplit[i].bs = val;
120 bssplit[i].perc = perc;
564ca972
JA		 121 i++;
122 }
123
83ea422a 124 o->bssplit_nr[ddir] = i;
564ca972
JA		 125
126 /*
127 * Now check if the percentages add up, and how much is missing
128 */
129 perc = perc_missing = 0;
83ea422a 130 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 131 struct bssplit *bsp = &bssplit[i];
564ca972 132
d711cce5 133 if (bsp->perc == -1U)
564ca972
JA		 134 perc_missing++;
135 else
136 perc += bsp->perc;
137 }
138
40bafa33 139 if (perc > 100 && perc_missing > 1) {
564ca972 140 log_err("fio: bssplit percentages add to more than 100%%\n");
720e84ad 141 free(bssplit);
564ca972
JA		 142 return 1;
143 }
d711cce5 144
564ca972
JA		 145 /*
146 * If values didn't have a percentage set, divide the remains between
147 * them.
148 */
149 if (perc_missing) {
d711cce5 150 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 151 perc = 100;
83ea422a 152 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 153 struct bssplit *bsp = &bssplit[i];
564ca972 154
d711cce5 155 if (bsp->perc == -1U)
564ca972
JA		 156 bsp->perc = (100 - perc) / perc_missing;
157 }
158 }
159
83ea422a
JA		 160 o->min_bs[ddir] = min_bs;
161 o->max_bs[ddir] = max_bs;
564ca972
JA		 162
163 /*
164 * now sort based on percentages, for ease of lookup
165 */
83ea422a
JA		 166 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
167 o->bssplit[ddir] = bssplit;
720e84ad 168 return 0;
720e84ad
JA		 169}
170
171static int str_bssplit_cb(void *data, const char *input)
172{
173 struct thread_data *td = data;
6eaf09d6 174 char *str, *p, *odir, *ddir;
720e84ad
JA		 175 int ret = 0;
176
52c0cea3
JA		 177 if (parse_dryrun())
178 return 0;
179
720e84ad
JA		 180 p = str = strdup(input);
181
182 strip_blank_front(&str);
183 strip_blank_end(str);
184
185 odir = strchr(str, ',');
186 if (odir) {
6eaf09d6
SL		 187 ddir = strchr(odir + 1, ',');
188 if (ddir) {
d79db122 189 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL		 190 if (!ret)
191 *ddir = '\0';
192 } else {
193 char *op;
194
195 op = strdup(odir + 1);
d79db122 196 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 197
198 free(op);
199 }
d79db122
JA		 200 if (!ret)
201 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA		 202 if (!ret) {
203 *odir = '\0';
83ea422a 204 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad
JA		 205 }
206 } else {
207 char *op;
208
209 op = strdup(str);
d79db122 210 ret = bssplit_ddir(&td->o, DDIR_WRITE, op);
6eaf09d6 211 free(op);
720e84ad 212
6eaf09d6
SL		 213 if (!ret) {
214 op = strdup(str);
d79db122 215 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 216 free(op);
217 }
83ea422a 218 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad 219 }
564ca972
JA		 220
221 free(p);
720e84ad 222 return ret;
564ca972
JA		 223}
224
8b28bd41
DM		 225static int str2error(char *str)
226{
a94eb99a 227 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 228 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
229 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
230 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
231 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
232 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
233 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 234 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
8b28bd41
DM		 235 int i = 0, num = sizeof(err) / sizeof(void *);
236
a94eb99a 237 while (i < num) {
8b28bd41
DM		 238 if (!strcmp(err[i], str))
239 return i + 1;
240 i++;
241 }
242 return 0;
243}
244
245static int ignore_error_type(struct thread_data *td, int etype, char *str)
246{
247 unsigned int i;
248 int *error;
249 char *fname;
250
251 if (etype >= ERROR_TYPE_CNT) {
252 log_err("Illegal error type\n");
253 return 1;
254 }
255
256 td->o.ignore_error_nr[etype] = 4;
257 error = malloc(4 * sizeof(struct bssplit));
258
259 i = 0;
260 while ((fname = strsep(&str, ":")) != NULL) {
261
262 if (!strlen(fname))
263 break;
264
265 /*
266 * grow struct buffer, if needed
267 */
268 if (i == td->o.ignore_error_nr[etype]) {
269 td->o.ignore_error_nr[etype] <<= 1;
270 error = realloc(error, td->o.ignore_error_nr[etype]
271 * sizeof(int));
272 }
273 if (fname[0] == 'E') {
274 error[i] = str2error(fname);
275 } else {
276 error[i] = atoi(fname);
277 if (error[i] < 0)
1616e025 278 error[i] = -error[i];
8b28bd41
DM		 279 }
280 if (!error[i]) {
281 log_err("Unknown error %s, please use number value \n",
282 fname);
0fddbf7a 283 free(error);
8b28bd41
DM		 284 return 1;
285 }
286 i++;
287 }
288 if (i) {
289 td->o.continue_on_error |= 1 << etype;
290 td->o.ignore_error_nr[etype] = i;
291 td->o.ignore_error[etype] = error;
c7b086be
JA		 292 } else
293 free(error);
294
8b28bd41
DM		 295 return 0;
296
297}
298
299static int str_ignore_error_cb(void *data, const char *input)
300{
301 struct thread_data *td = data;
302 char *str, *p, *n;
303 int type = 0, ret = 1;
52c0cea3
JA		 304
305 if (parse_dryrun())
306 return 0;
307
8b28bd41
DM		 308 p = str = strdup(input);
309
310 strip_blank_front(&str);
311 strip_blank_end(str);
312
313 while (p) {
314 n = strchr(p, ',');
315 if (n)
316 *n++ = '\0';
317 ret = ignore_error_type(td, type, p);
318 if (ret)
319 break;
320 p = n;
321 type++;
322 }
323 free(str);
324 return ret;
325}
326
211097b2
JA		 327static int str_rw_cb(void *data, const char *str)
328{
329 struct thread_data *td = data;
83ea422a 330 struct thread_options *o = &td->o;
27ca949f 331 char *nr;
211097b2 332
52c0cea3
JA		 333 if (parse_dryrun())
334 return 0;
335
83ea422a
JA		 336 o->ddir_seq_nr = 1;
337 o->ddir_seq_add = 0;
059b0802 338
27ca949f 339 nr = get_opt_postfix(str);
059b0802
JA		 340 if (!nr)
341 return 0;
342
343 if (td_random(td))
83ea422a 344 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 345 else {
346 long long val;
347
88038bc7 348 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 349 log_err("fio: rw postfix parsing failed\n");
350 free(nr);
351 return 1;
352 }
353
83ea422a 354 o->ddir_seq_add = val;
182ec6ee 355 }
211097b2 356
059b0802 357 free(nr);
211097b2
JA		 358 return 0;
359}
360
214e1eca
JA		 361static int str_mem_cb(void *data, const char *mem)
362{
363 struct thread_data *td = data;
364
d9759b1e 365 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
836fcc0f 366 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 367
368 return 0;
369}
370
c223da83
JA		 371static int fio_clock_source_cb(void *data, const char *str)
372{
373 struct thread_data *td = data;
374
375 fio_clock_source = td->o.clocksource;
fa80feae 376 fio_clock_source_set = 1;
01423eae 377 fio_clock_init();
c223da83
JA		 378 return 0;
379}
380
85bc833b 381static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA		 382{
383 struct thread_data *td = data;
384
385 td->o.rwmix[DDIR_READ] = *val;
386 td->o.rwmix[DDIR_WRITE] = 100 - *val;
387 return 0;
388}
389
85bc833b 390static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA		 391{
392 struct thread_data *td = data;
393
394 td->o.rwmix[DDIR_WRITE] = *val;
395 td->o.rwmix[DDIR_READ] = 100 - *val;
396 return 0;
397}
398
214e1eca
JA		 399static int str_exitall_cb(void)
400{
401 exitall_on_terminate = 1;
402 return 0;
403}
404
214e1eca 405#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 406int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 407{
50b5860b 408 unsigned int i, index, cpus_in_mask;
c2acfbac 409 const long max_cpu = cpus_online();
c2acfbac 410
50b5860b
JA		 411 cpus_in_mask = fio_cpu_count(mask);
412 cpu_index = cpu_index % cpus_in_mask;
413
414 index = 0;
c2acfbac 415 for (i = 0; i < max_cpu; i++) {
50b5860b 416 if (!fio_cpu_isset(mask, i))
c2acfbac 417 continue;
50b5860b
JA		 418
419 if (cpu_index != index)
420 fio_cpu_clear(mask, i);
421
422 index++;
c2acfbac
JA		 423 }
424
425 return fio_cpu_count(mask);
426}
427
85bc833b 428static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA		 429{
430 struct thread_data *td = data;
214e1eca 431 unsigned int i;
b03daafb 432 long max_cpu;
d2ce18b5
JA		 433 int ret;
434
52c0cea3
JA		 435 if (parse_dryrun())
436 return 0;
437
d2ce18b5
JA		 438 ret = fio_cpuset_init(&td->o.cpumask);
439 if (ret < 0) {
440 log_err("fio: cpuset_init failed\n");
441 td_verror(td, ret, "fio_cpuset_init");
442 return 1;
443 }
214e1eca 444
c00a2289 445 max_cpu = cpus_online();
214e1eca 446
62a7273d
JA		 447 for (i = 0; i < sizeof(int) * 8; i++) {
448 if ((1 << i) & *val) {
b8411399 449 if (i >= max_cpu) {
b03daafb 450 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 451 max_cpu - 1);
b03daafb
JA		 452 return 1;
453 }
62a7273d 454 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 455 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 456 }
457 }
d2e268b0 458
d2e268b0 459 return 0;
214e1eca
JA		 460}
461
e8462bd8
JA		 462static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
463 const char *input)
214e1eca 464{
d2e268b0 465 char *cpu, *str, *p;
b03daafb 466 long max_cpu;
19608d6c 467 int ret = 0;
d2e268b0 468
e8462bd8 469 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 470 if (ret < 0) {
471 log_err("fio: cpuset_init failed\n");
472 td_verror(td, ret, "fio_cpuset_init");
473 return 1;
474 }
d2e268b0
JA		 475
476 p = str = strdup(input);
214e1eca 477
d2e268b0
JA		 478 strip_blank_front(&str);
479 strip_blank_end(str);
480
c00a2289 481 max_cpu = cpus_online();
b03daafb 482
d2e268b0 483 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 484 char *str2, *cpu2;
485 int icpu, icpu2;
486
d2e268b0
JA		 487 if (!strlen(cpu))
488 break;
62a7273d
JA		 489
490 str2 = cpu;
491 icpu2 = -1;
492 while ((cpu2 = strsep(&str2, "-")) != NULL) {
493 if (!strlen(cpu2))
494 break;
495
496 icpu2 = atoi(cpu2);
497 }
498
499 icpu = atoi(cpu);
500 if (icpu2 == -1)
501 icpu2 = icpu;
502 while (icpu <= icpu2) {
6d459ee7 503 if (icpu >= FIO_MAX_CPUS) {
19608d6c 504 log_err("fio: your OS only supports up to"
6d459ee7 505 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 506 ret = 1;
507 break;
508 }
9e986889 509 if (icpu >= max_cpu) {
b03daafb 510 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 511 icpu, max_cpu - 1);
b03daafb
JA		 512 ret = 1;
513 break;
514 }
0b9d69ec 515
62a7273d 516 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 517 fio_cpu_set(mask, icpu);
62a7273d
JA		 518 icpu++;
519 }
19608d6c
JA		 520 if (ret)
521 break;
d2e268b0
JA		 522 }
523
524 free(p);
19608d6c 525 return ret;
214e1eca 526}
e8462bd8
JA		 527
528static int str_cpus_allowed_cb(void *data, const char *input)
529{
530 struct thread_data *td = data;
e8462bd8 531
52c0cea3
JA		 532 if (parse_dryrun())
533 return 0;
534
b2a9e649 535 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 536}
537
538static int str_verify_cpus_allowed_cb(void *data, const char *input)
539{
540 struct thread_data *td = data;
e8462bd8 541
b2a9e649 542 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 543}
d2e268b0 544#endif
214e1eca 545
67bf9823 546#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 547static int str_numa_cpunodes_cb(void *data, char *input)
548{
549 struct thread_data *td = data;
43522848 550 struct bitmask *verify_bitmask;
d0b937ed 551
52c0cea3
JA		 552 if (parse_dryrun())
553 return 0;
554
d0b937ed
YR		 555 /* numa_parse_nodestring() parses a character string list
556 * of nodes into a bit mask. The bit mask is allocated by
557 * numa_allocate_nodemask(), so it should be freed by
558 * numa_free_nodemask().
559 */
43522848
DG		 560 verify_bitmask = numa_parse_nodestring(input);
561 if (verify_bitmask == NULL) {
d0b937ed
YR		 562 log_err("fio: numa_parse_nodestring failed\n");
563 td_verror(td, 1, "str_numa_cpunodes_cb");
564 return 1;
565 }
43522848 566 numa_free_nodemask(verify_bitmask);
d0b937ed 567
43522848 568 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 569 return 0;
570}
571
572static int str_numa_mpol_cb(void *data, char *input)
573{
574 struct thread_data *td = data;
575 const char * const policy_types[] =
05d6f44b 576 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 577 int i;
52c0cea3 578 char *nodelist;
43522848 579 struct bitmask *verify_bitmask;
52c0cea3
JA		 580
581 if (parse_dryrun())
582 return 0;
d0b937ed 583
52c0cea3 584 nodelist = strchr(input, ':');
d0b937ed
YR		 585 if (nodelist) {
586 /* NUL-terminate mode */
587 *nodelist++ = '\0';
588 }
589
590 for (i = 0; i <= MPOL_LOCAL; i++) {
591 if (!strcmp(input, policy_types[i])) {
592 td->o.numa_mem_mode = i;
593 break;
594 }
595 }
596 if (i > MPOL_LOCAL) {
597 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
598 goto out;
599 }
600
601 switch (td->o.numa_mem_mode) {
602 case MPOL_PREFERRED:
603 /*
604 * Insist on a nodelist of one node only
605 */
606 if (nodelist) {
607 char *rest = nodelist;
608 while (isdigit(*rest))
609 rest++;
610 if (*rest) {
611 log_err("fio: one node only for \'prefer\'\n");
612 goto out;
613 }
614 } else {
615 log_err("fio: one node is needed for \'prefer\'\n");
616 goto out;
617 }
618 break;
619 case MPOL_INTERLEAVE:
620 /*
621 * Default to online nodes with memory if no nodelist
622 */
623 if (!nodelist)
624 nodelist = strdup("all");
625 break;
626 case MPOL_LOCAL:
627 case MPOL_DEFAULT:
628 /*
629 * Don't allow a nodelist
630 */
631 if (nodelist) {
632 log_err("fio: NO nodelist for \'local\'\n");
633 goto out;
634 }
635 break;
636 case MPOL_BIND:
637 /*
638 * Insist on a nodelist
639 */
640 if (!nodelist) {
641 log_err("fio: a nodelist is needed for \'bind\'\n");
642 goto out;
643 }
644 break;
645 }
646
647
648 /* numa_parse_nodestring() parses a character string list
649 * of nodes into a bit mask. The bit mask is allocated by
650 * numa_allocate_nodemask(), so it should be freed by
651 * numa_free_nodemask().
652 */
653 switch (td->o.numa_mem_mode) {
654 case MPOL_PREFERRED:
655 td->o.numa_mem_prefer_node = atoi(nodelist);
656 break;
657 case MPOL_INTERLEAVE:
658 case MPOL_BIND:
43522848
DG		 659 verify_bitmask = numa_parse_nodestring(nodelist);
660 if (verify_bitmask == NULL) {
d0b937ed
YR		 661 log_err("fio: numa_parse_nodestring failed\n");
662 td_verror(td, 1, "str_numa_memnodes_cb");
663 return 1;
664 }
43522848
DG		 665 td->o.numa_memnodes = strdup(nodelist);
666 numa_free_nodemask(verify_bitmask);
b74e419e 667
d0b937ed
YR		 668 break;
669 case MPOL_LOCAL:
670 case MPOL_DEFAULT:
671 default:
672 break;
673 }
674
d0b937ed 675 return 0;
d0b937ed
YR		 676out:
677 return 1;
678}
679#endif
680
214e1eca
JA		 681static int str_fst_cb(void *data, const char *str)
682{
683 struct thread_data *td = data;
684 char *nr = get_opt_postfix(str);
685
686 td->file_service_nr = 1;
182ec6ee 687 if (nr) {
214e1eca 688 td->file_service_nr = atoi(nr);
182ec6ee
JA		 689 free(nr);
690 }
214e1eca
JA		 691
692 return 0;
693}
694
67bf9823 695#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 696static int str_sfr_cb(void *data, const char *str)
697{
698 struct thread_data *td = data;
699 char *nr = get_opt_postfix(str);
700
701 td->sync_file_range_nr = 1;
702 if (nr) {
703 td->sync_file_range_nr = atoi(nr);
704 free(nr);
705 }
706
707 return 0;
708}
3ae06371 709#endif
44f29692 710
e25839d4
JA		 711static int str_random_distribution_cb(void *data, const char *str)
712{
713 struct thread_data *td = data;
714 double val;
715 char *nr;
716
52c0cea3
JA		 717 if (parse_dryrun())
718 return 0;
719
925fee33 720 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 721 val = FIO_DEF_ZIPF;
925fee33 722 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 723 val = FIO_DEF_PARETO;
56d9fa4b
JA		 724 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
725 val = 0.0;
925fee33 726 else
e25839d4
JA		 727 return 0;
728
729 nr = get_opt_postfix(str);
88038bc7 730 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 731 log_err("fio: random postfix parsing failed\n");
732 free(nr);
733 return 1;
734 }
735
078189c1
JA		 736 free(nr);
737
18ded917
JA		 738 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
739 if (val == 1.00) {
740 log_err("fio: zipf theta must different than 1.0\n");
741 return 1;
742 }
1e5324e7 743 td->o.zipf_theta.u.f = val;
56d9fa4b 744 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 745 if (val <= 0.00 || val >= 1.00) {
746 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
747 return 1;
748 }
1e5324e7 749 td->o.pareto_h.u.f = val;
3cdb8cf3
JA		 750 } else {
751 if (val <= 0.00 || val >= 100.0) {
752 log_err("fio: normal deviation out of range (0 < input < 100.0)\n");
753 return 1;
754 }
f88cd222 755 td->o.gauss_dev.u.f = val;
3cdb8cf3 756 }
921c766f
JA		 757
758 return 0;
759}
760
8e827d35 761/*
bcbfeefa 762 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 763 * is escaped with a '\', then that ':' is part of the filename and does not
764 * indicate a new file.
765 */
bcbfeefa 766static char *get_next_name(char **ptr)
8e827d35
JA		 767{
768 char *str = *ptr;
769 char *p, *start;
770
771 if (!str || !strlen(str))
772 return NULL;
773
774 start = str;
775 do {
776 /*
777 * No colon, we are done
778 */
779 p = strchr(str, ':');
780 if (!p) {
781 *ptr = NULL;
782 break;
783 }
784
785 /*
786 * We got a colon, but it's the first character. Skip and
787 * continue
788 */
789 if (p == start) {
790 str = ++start;
791 continue;
792 }
793
794 if (*(p - 1) != '\\') {
795 *p = '\0';
796 *ptr = p + 1;
797 break;
798 }
799
800 memmove(p - 1, p, strlen(p) + 1);
801 str = p;
802 } while (1);
803
804 return start;
805}
806
bcbfeefa
CE		 807
808static int get_max_name_idx(char *input)
809{
810 unsigned int cur_idx;
811 char *str, *p;
812
813 p = str = strdup(input);
814 for (cur_idx = 0; ; cur_idx++)
815 if (get_next_name(&str) == NULL)
816 break;
817
818 free(p);
819 return cur_idx;
820}
821
822/*
823 * Returns the directory at the index, indexes > entires will be
824 * assigned via modulo division of the index
825 */
e13c3b50 826int set_name_idx(char *target, size_t tlen, char *input, int index)
bcbfeefa
CE		 827{
828 unsigned int cur_idx;
829 int len;
830 char *fname, *str, *p;
831
832 p = str = strdup(input);
833
834 index %= get_max_name_idx(input);
835 for (cur_idx = 0; cur_idx <= index; cur_idx++)
836 fname = get_next_name(&str);
837
72a703da 838 if (client_sockaddr_str[0]) {
e13c3b50
JA		 839 len = snprintf(target, tlen, "%s/%s.", fname,
840 client_sockaddr_str);
841 } else
842 len = snprintf(target, tlen, "%s/", fname);
72a703da 843
e13c3b50 844 target[tlen - 1] = '\0';
bcbfeefa
CE		 845 free(p);
846
847 return len;
848}
849
214e1eca
JA		 850static int str_filename_cb(void *data, const char *input)
851{
852 struct thread_data *td = data;
853 char *fname, *str, *p;
854
855 p = str = strdup(input);
856
857 strip_blank_front(&str);
858 strip_blank_end(str);
859
860 if (!td->files_index)
2dc1bbeb 861 td->o.nr_files = 0;
214e1eca 862
bcbfeefa 863 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 864 if (!strlen(fname))
865 break;
5903e7b7 866 add_file(td, fname, 0, 1);
214e1eca
JA		 867 }
868
869 free(p);
870 return 0;
871}
872
bcbfeefa 873static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA		 874{
875 struct thread_data *td = data;
876 struct stat sb;
bcbfeefa
CE		 877 char *dirname, *str, *p;
878 int ret = 0;
214e1eca 879
f9633d72
JA		 880 if (parse_dryrun())
881 return 0;
882
bcbfeefa
CE		 883 p = str = strdup(td->o.directory);
884 while ((dirname = get_next_name(&str)) != NULL) {
885 if (lstat(dirname, &sb) < 0) {
886 ret = errno;
921c766f 887
bcbfeefa
CE		 888 log_err("fio: %s is not a directory\n", dirname);
889 td_verror(td, ret, "lstat");
890 goto out;
891 }
892 if (!S_ISDIR(sb.st_mode)) {
893 log_err("fio: %s is not a directory\n", dirname);
894 ret = 1;
895 goto out;
896 }
214e1eca
JA		 897 }
898
bcbfeefa
CE		 899out:
900 free(p);
901 return ret;
214e1eca
JA		 902}
903
904static int str_opendir_cb(void *data, const char fio_unused *str)
905{
906 struct thread_data *td = data;
907
52c0cea3
JA		 908 if (parse_dryrun())
909 return 0;
910
214e1eca 911 if (!td->files_index)
2dc1bbeb 912 td->o.nr_files = 0;
214e1eca 913
2dc1bbeb 914 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 915}
916
ce35b1ec
JA		 917static int pattern_cb(char *pattern, unsigned int max_size,
918 const char *input, unsigned int *pattern_bytes)
90059d65 919{
0e92f873 920 long off;
ce35b1ec
JA		 921 int i = 0, j = 0, len, k, base = 10;
922 uint32_t pattern_length;
3c3ed070 923 char *loc1, *loc2;
0e92f873 924
02975b64
JA		 925 /*
926 * Check if it's a string input
927 */
928 loc1 = strchr(input, '\"');
929 if (loc1) {
930 do {
931 loc1++;
932 if (*loc1 == '\0' || *loc1 == '\"')
933 break;
934
935 pattern[i] = *loc1;
936 i++;
937 } while (i < max_size);
938
939 if (!i)
940 return 1;
941
942 goto fill;
943 }
944
945 /*
946 * No string, find out if it's decimal or hexidecimal
947 */
0e92f873
RR		 948 loc1 = strstr(input, "0x");
949 loc2 = strstr(input, "0X");
950 if (loc1 || loc2)
951 base = 16;
952 off = strtol(input, NULL, base);
953 if (off != LONG_MAX || errno != ERANGE) {
954 while (off) {
ce35b1ec 955 pattern[i] = off & 0xff;
0e92f873
RR		 956 off >>= 8;
957 i++;
958 }
959 } else {
960 len = strlen(input);
961 k = len - 1;
962 if (base == 16) {
963 if (loc1)
964 j = loc1 - input + 2;
965 else
966 j = loc2 - input + 2;
967 } else
968 return 1;
ce35b1ec 969 if (len - j < max_size * 2) {
0e92f873
RR		 970 while (k >= j) {
971 off = converthexchartoint(input[k--]);
972 if (k >= j)
973 off += (converthexchartoint(input[k--])
974 * 16);
ce35b1ec 975 pattern[i++] = (char) off;
0e92f873
RR		 976 }
977 }
978 }
efcd9dcc
SL		 979
980 /*
981 * Fill the pattern all the way to the end. This greatly reduces
982 * the number of memcpy's we have to do when verifying the IO.
983 */
02975b64 984fill:
e078de4a 985 pattern_length = i;
ce35b1ec
JA		 986 while (i > 1 && i * 2 <= max_size) {
987 memcpy(&pattern[i], &pattern[0], i);
efcd9dcc
SL		 988 i *= 2;
989 }
e078de4a
JA		 990
991 /*
992 * Fill remainder, if the pattern multiple ends up not being
ce35b1ec 993 * max_size.
e078de4a 994 */
ce35b1ec
JA		 995 while (i > 1 && i < max_size) {
996 unsigned int b = min(pattern_length, max_size - i);
e078de4a 997
ce35b1ec 998 memcpy(&pattern[i], &pattern[0], b);
e078de4a
JA		 999 i += b;
1000 }
1001
9a2a86d0
SL		 1002 if (i == 1) {
1003 /*
d2ba0d7c
JA		 1004 * The code in verify_io_u_pattern assumes a single byte
1005 * pattern fills the whole verify pattern buffer.
9a2a86d0 1006 */
ce35b1ec
JA		 1007 memset(pattern, pattern[0], max_size);
1008 }
1009
1010 *pattern_bytes = i;
1011 return 0;
1012}
1013
1014static int str_buffer_pattern_cb(void *data, const char *input)
1015{
1016 struct thread_data *td = data;
1017 int ret;
1018
1019 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
1020 &td->o.buffer_pattern_bytes);
1021
d2ba0d7c 1022 if (!ret && td->o.buffer_pattern_bytes) {
3397806e
JA		 1023 if (!td->o.compress_percentage)
1024 td->o.refill_buffers = 0;
ce35b1ec
JA		 1025 td->o.scramble_buffers = 0;
1026 td->o.zero_buffers = 0;
d2ba0d7c
JA		 1027 } else {
1028 log_err("fio: failed parsing pattern `%s`\n", input);
1029 ret = 1;
9a2a86d0 1030 }
efcd9dcc 1031
ce35b1ec
JA		 1032 return ret;
1033}
1034
bedc9dc2
JA		 1035static int str_buffer_compress_cb(void *data, unsigned long long *il)
1036{
1037 struct thread_data *td = data;
1038
1039 td->flags |= TD_F_COMPRESS;
1040 td->o.compress_percentage = *il;
1041 return 0;
1042}
1043
5c94b008
JA		 1044static int str_dedupe_cb(void *data, unsigned long long *il)
1045{
1046 struct thread_data *td = data;
1047
1048 td->flags |= TD_F_COMPRESS;
1049 td->o.dedupe_percentage = *il;
1050 td->o.refill_buffers = 1;
1051 return 0;
1052}
1053
ce35b1ec
JA		 1054static int str_verify_pattern_cb(void *data, const char *input)
1055{
1056 struct thread_data *td = data;
1057 int ret;
1058
1059 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1060 &td->o.verify_pattern_bytes);
efcd9dcc 1061
92bf48d5
JA		 1062 /*
1063 * VERIFY_META could already be set
1064 */
ce35b1ec 1065 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 1066 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1067
ce35b1ec 1068 return ret;
90059d65 1069}
214e1eca 1070
993bf48b
JA		 1071static int str_gtod_reduce_cb(void *data, int *il)
1072{
1073 struct thread_data *td = data;
1074 int val = *il;
1075
02af0988 1076 td->o.disable_lat = !!val;
993bf48b
JA		 1077 td->o.disable_clat = !!val;
1078 td->o.disable_slat = !!val;
1079 td->o.disable_bw = !!val;
0dc1bc03 1080 td->o.clat_percentiles = !val;
993bf48b
JA		 1081 if (val)
1082 td->tv_cache_mask = 63;
1083
1084 return 0;
1085}
1086
7bb59102
JA		 1087static int str_size_cb(void *data, unsigned long long *__val)
1088{
1089 struct thread_data *td = data;
1090 unsigned long long v = *__val;
1091
1092 if (parse_is_percent(v)) {
1093 td->o.size = 0;
1094 td->o.size_percent = -1ULL - v;
1095 } else
1096 td->o.size = v;
1097
1098 return 0;
1099}
1100
896cac2a
JA		 1101static int rw_verify(struct fio_option *o, void *data)
1102{
1103 struct thread_data *td = data;
1104
1105 if (read_only && td_write(td)) {
1106 log_err("fio: job <%s> has write bit set, but fio is in"
1107 " read-only mode\n", td->o.name);
1108 return 1;
1109 }
1110
1111 return 0;
1112}
1113
276ca4f7 1114static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1115{
276ca4f7 1116#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1117 struct thread_data *td = data;
1118
29d43ff9
JA		 1119 if (td->o.gtod_cpu) {
1120 log_err("fio: platform must support CPU affinity for"
1121 "gettimeofday() offloading\n");
1122 return 1;
1123 }
1124#endif
1125
1126 return 0;
1127}
1128
9af4a244
JA		 1129/*
1130 * Option grouping
1131 */
1132static struct opt_group fio_opt_groups[] = {
1133 {
e8b0e958
JA		 1134 .name = "General",
1135 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 1136 },
1137 {
e8b0e958
JA		 1138 .name = "I/O",
1139 .mask = FIO_OPT_C_IO,
9af4a244
JA		 1140 },
1141 {
e8b0e958
JA		 1142 .name = "File",
1143 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 1144 },
1145 {
e8b0e958
JA		 1146 .name = "Statistics",
1147 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 1148 },
1149 {
e8b0e958
JA		 1150 .name = "Logging",
1151 .mask = FIO_OPT_C_LOG,
9af4a244 1152 },
13fca827
JA		 1153 {
1154 .name = "Profiles",
1155 .mask = FIO_OPT_C_PROFILE,
1156 },
e231bbe6 1157 {
e8b0e958 1158 .name = NULL,
e231bbe6 1159 },
e8b0e958
JA		 1160};
1161
1162static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1163 unsigned int inv_mask)
1164{
1165 struct opt_group *og;
1166 int i;
1167
1168 if (*mask == inv_mask || !*mask)
1169 return NULL;
1170
1171 for (i = 0; ogs[i].name; i++) {
1172 og = &ogs[i];
1173
1174 if (*mask & og->mask) {
1175 *mask &= ~(og->mask);
1176 return og;
1177 }
1178 }
1179
1180 return NULL;
1181}
1182
1183struct opt_group *opt_group_from_mask(unsigned int *mask)
1184{
1185 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1186}
1187
1188static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA		 1189 {
1190 .name = "Latency profiling",
1191 .mask = FIO_OPT_G_LATPROF,
1192 },
9af4a244 1193 {
e8b0e958
JA		 1194 .name = "Rate",
1195 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1196 },
1197 {
e8b0e958
JA		 1198 .name = "Zone",
1199 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1200 },
1201 {
e8b0e958
JA		 1202 .name = "Read/write mix",
1203 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1204 },
1205 {
1206 .name = "Verify",
1207 .mask = FIO_OPT_G_VERIFY,
1208 },
1209 {
e8b0e958
JA		 1210 .name = "Trim",
1211 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1212 },
1213 {
e8b0e958
JA		 1214 .name = "I/O Logging",
1215 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1216 },
1217 {
e8b0e958
JA		 1218 .name = "I/O Depth",
1219 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1220 },
1221 {
e8b0e958
JA		 1222 .name = "I/O Flow",
1223 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1224 },
0626037e
JA		 1225 {
1226 .name = "Description",
1227 .mask = FIO_OPT_G_DESC,
1228 },
1229 {
1230 .name = "Filename",
1231 .mask = FIO_OPT_G_FILENAME,
1232 },
1233 {
1234 .name = "General I/O",
1235 .mask = FIO_OPT_G_IO_BASIC,
1236 },
a1f6afec
JA		 1237 {
1238 .name = "Cgroups",
1239 .mask = FIO_OPT_G_CGROUP,
1240 },
1241 {
1242 .name = "Runtime",
1243 .mask = FIO_OPT_G_RUNTIME,
1244 },
10860056
JA		 1245 {
1246 .name = "Process",
1247 .mask = FIO_OPT_G_PROCESS,
1248 },
1249 {
1250 .name = "Job credentials / priority",
1251 .mask = FIO_OPT_G_CRED,
1252 },
1253 {
1254 .name = "Clock settings",
1255 .mask = FIO_OPT_G_CLOCK,
1256 },
3ceb458f
JA		 1257 {
1258 .name = "I/O Type",
1259 .mask = FIO_OPT_G_IO_TYPE,
1260 },
1261 {
1262 .name = "I/O Thinktime",
1263 .mask = FIO_OPT_G_THINKTIME,
1264 },
1265 {
1266 .name = "Randomizations",
1267 .mask = FIO_OPT_G_RANDOM,
1268 },
1269 {
1270 .name = "I/O buffers",
1271 .mask = FIO_OPT_G_IO_BUF,
1272 },
13fca827
JA		 1273 {
1274 .name = "Tiobench profile",
1275 .mask = FIO_OPT_G_TIOBENCH,
1276 },
65fa28ca
DE		 1277 {
1278 .name = "MTD",
1279 .mask = FIO_OPT_G_MTD,
1280 },
13fca827 1281
9af4a244
JA		 1282 {
1283 .name = NULL,
e8b0e958 1284 }
9af4a244
JA		 1285};
1286
e8b0e958 1287struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1288{
e8b0e958 1289 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1290}
1291
214e1eca
JA		 1292/*
1293 * Map of job/command line options
1294 */
9af4a244 1295struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1296 {
1297 .name = "description",
e8b0e958 1298 .lname = "Description of job",
214e1eca
JA		 1299 .type = FIO_OPT_STR_STORE,
1300 .off1 = td_var_offset(description),
1301 .help = "Text job description",
e8b0e958 1302 .category = FIO_OPT_C_GENERAL,
0626037e 1303 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1304 },
1305 {
1306 .name = "name",
e8b0e958 1307 .lname = "Job name",
214e1eca
JA		 1308 .type = FIO_OPT_STR_STORE,
1309 .off1 = td_var_offset(name),
1310 .help = "Name of this job",
e8b0e958 1311 .category = FIO_OPT_C_GENERAL,
0626037e 1312 .group = FIO_OPT_G_DESC,
214e1eca 1313 },
214e1eca
JA		 1314 {
1315 .name = "filename",
e8b0e958 1316 .lname = "Filename(s)",
214e1eca
JA		 1317 .type = FIO_OPT_STR_STORE,
1318 .off1 = td_var_offset(filename),
1319 .cb = str_filename_cb,
f0d524b0 1320 .prio = -1, /* must come after "directory" */
214e1eca 1321 .help = "File(s) to use for the workload",
e8b0e958 1322 .category = FIO_OPT_C_FILE,
0626037e 1323 .group = FIO_OPT_G_FILENAME,
214e1eca 1324 },
90fef2d1 1325 {
e8b0e958
JA		 1326 .name = "directory",
1327 .lname = "Directory",
1328 .type = FIO_OPT_STR_STORE,
1329 .off1 = td_var_offset(directory),
1330 .cb = str_directory_cb,
1331 .help = "Directory to store files in",
1332 .category = FIO_OPT_C_FILE,
0626037e 1333 .group = FIO_OPT_G_FILENAME,
90fef2d1 1334 },
de98bd30
JA		 1335 {
1336 .name = "filename_format",
1337 .type = FIO_OPT_STR_STORE,
1338 .off1 = td_var_offset(filename_format),
1339 .prio = -1, /* must come after "directory" */
1340 .help = "Override default $jobname.$jobnum.$filenum naming",
1341 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1342 .category = FIO_OPT_C_FILE,
1343 .group = FIO_OPT_G_FILENAME,
ad705bcb 1344 },
29c1349f
JA		 1345 {
1346 .name = "lockfile",
e8b0e958 1347 .lname = "Lockfile",
4d4e80f2 1348 .type = FIO_OPT_STR,
4d4e80f2 1349 .off1 = td_var_offset(file_lock_mode),
29c1349f 1350 .help = "Lock file when doing IO to it",
bc6a0a5d 1351 .prio = 1,
29c1349f 1352 .parent = "filename",
d71c154c 1353 .hide = 0,
4d4e80f2 1354 .def = "none",
e8b0e958 1355 .category = FIO_OPT_C_FILE,
0626037e 1356 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1357 .posval = {
1358 { .ival = "none",
1359 .oval = FILE_LOCK_NONE,
1360 .help = "No file locking",
1361 },
1362 { .ival = "exclusive",
1363 .oval = FILE_LOCK_EXCLUSIVE,
1364 .help = "Exclusive file lock",
1365 },
1366 {
1367 .ival = "readwrite",
1368 .oval = FILE_LOCK_READWRITE,
1369 .help = "Read vs write lock",
1370 },
1371 },
29c1349f 1372 },
214e1eca
JA		 1373 {
1374 .name = "opendir",
e8b0e958 1375 .lname = "Open directory",
214e1eca
JA		 1376 .type = FIO_OPT_STR_STORE,
1377 .off1 = td_var_offset(opendir),
1378 .cb = str_opendir_cb,
1379 .help = "Recursively add files from this directory and down",
e8b0e958 1380 .category = FIO_OPT_C_FILE,
0626037e 1381 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1382 },
1383 {
1384 .name = "rw",
e8b0e958 1385 .lname = "Read/write",
d3aad8f2 1386 .alias = "readwrite",
214e1eca 1387 .type = FIO_OPT_STR,
211097b2 1388 .cb = str_rw_cb,
214e1eca
JA		 1389 .off1 = td_var_offset(td_ddir),
1390 .help = "IO direction",
1391 .def = "read",
896cac2a 1392 .verify = rw_verify,
e8b0e958 1393 .category = FIO_OPT_C_IO,
0626037e 1394 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1395 .posval = {
1396 { .ival = "read",
1397 .oval = TD_DDIR_READ,
1398 .help = "Sequential read",
1399 },
1400 { .ival = "write",
1401 .oval = TD_DDIR_WRITE,
1402 .help = "Sequential write",
1403 },
6eaf09d6
SL		 1404 { .ival = "trim",
1405 .oval = TD_DDIR_TRIM,
1406 .help = "Sequential trim",
1407 },
214e1eca
JA		 1408 { .ival = "randread",
1409 .oval = TD_DDIR_RANDREAD,
1410 .help = "Random read",
1411 },
1412 { .ival = "randwrite",
1413 .oval = TD_DDIR_RANDWRITE,
1414 .help = "Random write",
1415 },
6eaf09d6
SL		 1416 { .ival = "randtrim",
1417 .oval = TD_DDIR_RANDTRIM,
1418 .help = "Random trim",
1419 },
214e1eca
JA		 1420 { .ival = "rw",
1421 .oval = TD_DDIR_RW,
1422 .help = "Sequential read and write mix",
1423 },
10b023db
JA		 1424 { .ival = "readwrite",
1425 .oval = TD_DDIR_RW,
1426 .help = "Sequential read and write mix",
1427 },
214e1eca
JA		 1428 { .ival = "randrw",
1429 .oval = TD_DDIR_RANDRW,
1430 .help = "Random read and write mix"
1431 },
82a90686
JA		 1432 { .ival = "trimwrite",
1433 .oval = TD_DDIR_TRIMWRITE,
1434 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1435 },
214e1eca
JA		 1436 },
1437 },
38dad62d
JA		 1438 {
1439 .name = "rw_sequencer",
e8b0e958 1440 .lname = "RW Sequencer",
38dad62d
JA		 1441 .type = FIO_OPT_STR,
1442 .off1 = td_var_offset(rw_seq),
1443 .help = "IO offset generator modifier",
1444 .def = "sequential",
e8b0e958 1445 .category = FIO_OPT_C_IO,
0626037e 1446 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1447 .posval = {
1448 { .ival = "sequential",
1449 .oval = RW_SEQ_SEQ,
1450 .help = "Generate sequential offsets",
1451 },
1452 { .ival = "identical",
1453 .oval = RW_SEQ_IDENT,
1454 .help = "Generate identical offsets",
1455 },
1456 },
1457 },
1458
214e1eca
JA		 1459 {
1460 .name = "ioengine",
e8b0e958 1461 .lname = "IO Engine",
214e1eca
JA		 1462 .type = FIO_OPT_STR_STORE,
1463 .off1 = td_var_offset(ioengine),
1464 .help = "IO engine to use",
58483fa4 1465 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1466 .category = FIO_OPT_C_IO,
0626037e 1467 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1468 .posval = {
1469 { .ival = "sync",
1470 .help = "Use read/write",
1471 },
a31041ea 1472 { .ival = "psync",
1473 .help = "Use pread/pwrite",
1474 },
1d2af02a 1475 { .ival = "vsync",
03e20d68 1476 .help = "Use readv/writev",
1d2af02a 1477 },
07fc0acd
JA		 1478#ifdef CONFIG_PWRITEV
1479 { .ival = "pvsync",
1480 .help = "Use preadv/pwritev",
1481 },
1482#endif
67bf9823 1483#ifdef CONFIG_LIBAIO
214e1eca
JA		 1484 { .ival = "libaio",
1485 .help = "Linux native asynchronous IO",
1486 },
1487#endif
67bf9823 1488#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1489 { .ival = "posixaio",
1490 .help = "POSIX asynchronous IO",
1491 },
417f0068 1492#endif
997843cb 1493#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1494 { .ival = "solarisaio",
1495 .help = "Solaris native asynchronous IO",
1496 },
214e1eca 1497#endif
4700b234 1498#ifdef CONFIG_WINDOWSAIO
03e20d68 1499 { .ival = "windowsaio",
3be80071 1500 .help = "Windows native asynchronous IO"
de890a1e 1501 },
fc5c0345
DG		 1502#endif
1503#ifdef CONFIG_RBD
1504 { .ival = "rbd",
1505 .help = "Rados Block Device asynchronous IO"
1506 },
3be80071 1507#endif
214e1eca 1508 { .ival = "mmap",
03e20d68 1509 .help = "Memory mapped IO"
214e1eca 1510 },
67bf9823 1511#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1512 { .ival = "splice",
1513 .help = "splice/vmsplice based IO",
1514 },
9cce02e8
JA		 1515 { .ival = "netsplice",
1516 .help = "splice/vmsplice to/from the network",
1517 },
214e1eca
JA		 1518#endif
1519#ifdef FIO_HAVE_SGIO
1520 { .ival = "sg",
1521 .help = "SCSI generic v3 IO",
1522 },
1523#endif
1524 { .ival = "null",
1525 .help = "Testing engine (no data transfer)",
1526 },
1527 { .ival = "net",
1528 .help = "Network IO",
1529 },
214e1eca 1530 { .ival = "cpuio",
03e20d68 1531 .help = "CPU cycle burner engine",
214e1eca 1532 },
67bf9823 1533#ifdef CONFIG_GUASI
b8c82a46
JA		 1534 { .ival = "guasi",
1535 .help = "GUASI IO engine",
1536 },
79a43187
JA		 1537#endif
1538#ifdef FIO_HAVE_BINJECT
1539 { .ival = "binject",
1540 .help = "binject direct inject block engine",
1541 },
21b8aee8 1542#endif
67bf9823 1543#ifdef CONFIG_RDMA
21b8aee8 1544 { .ival = "rdma",
1545 .help = "RDMA IO engine",
1546 },
8200b8c7 1547#endif
67bf9823 1548#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1549 { .ival = "fusion-aw-sync",
1550 .help = "Fusion-io atomic write engine",
1551 },
1ecc95ca 1552#endif
997843cb 1553#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1554 { .ival = "e4defrag",
1555 .help = "ext4 defrag engine",
1556 },
1557#endif
997843cb 1558#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1559 { .ival = "falloc",
1560 .help = "fallocate() file based engine",
1561 },
b8c82a46 1562#endif
a7c386f4 1563#ifdef CONFIG_GFAPI
1564 { .ival = "gfapi",
cc47f094 1565 .help = "Glusterfs libgfapi(sync) based engine"
1566 },
1567 { .ival = "gfapi_async",
1568 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1569 },
1570#endif
1b10477b 1571#ifdef CONFIG_LIBHDFS
b74e419e 1572 { .ival = "libhdfs",
1b10477b
MM		 1573 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1574 },
1575#endif
214e1eca
JA		 1576 { .ival = "external",
1577 .help = "Load external engine (append name)",
1578 },
1579 },
1580 },
1581 {
1582 .name = "iodepth",
e8b0e958 1583 .lname = "IO Depth",
214e1eca
JA		 1584 .type = FIO_OPT_INT,
1585 .off1 = td_var_offset(iodepth),
03e20d68 1586 .help = "Number of IO buffers to keep in flight",
757aff4f 1587 .minval = 1,
20eb06bd 1588 .interval = 1,
214e1eca 1589 .def = "1",
e8b0e958 1590 .category = FIO_OPT_C_IO,
0626037e 1591 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1592 },
1593 {
1594 .name = "iodepth_batch",
e8b0e958 1595 .lname = "IO Depth batch",
4950421a 1596 .alias = "iodepth_batch_submit",
214e1eca
JA		 1597 .type = FIO_OPT_INT,
1598 .off1 = td_var_offset(iodepth_batch),
d65db441 1599 .help = "Number of IO buffers to submit in one go",
afdf9352 1600 .parent = "iodepth",
d71c154c 1601 .hide = 1,
a2e6f8ac 1602 .minval = 1,
20eb06bd 1603 .interval = 1,
a2e6f8ac 1604 .def = "1",
e8b0e958 1605 .category = FIO_OPT_C_IO,
0626037e 1606 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1607 },
1608 {
1609 .name = "iodepth_batch_complete",
e8b0e958 1610 .lname = "IO Depth batch complete",
4950421a
JA		 1611 .type = FIO_OPT_INT,
1612 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1613 .help = "Number of IO buffers to retrieve in one go",
4950421a 1614 .parent = "iodepth",
d71c154c 1615 .hide = 1,
4950421a 1616 .minval = 0,
20eb06bd 1617 .interval = 1,
4950421a 1618 .def = "1",
e8b0e958 1619 .category = FIO_OPT_C_IO,
0626037e 1620 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1621 },
1622 {
1623 .name = "iodepth_low",
e8b0e958 1624 .lname = "IO Depth batch low",
214e1eca
JA		 1625 .type = FIO_OPT_INT,
1626 .off1 = td_var_offset(iodepth_low),
1627 .help = "Low water mark for queuing depth",
afdf9352 1628 .parent = "iodepth",
d71c154c 1629 .hide = 1,
20eb06bd 1630 .interval = 1,
e8b0e958 1631 .category = FIO_OPT_C_IO,
0626037e 1632 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1633 },
a9da8ab2
JA		 1634 {
1635 .name = "io_submit_mode",
1636 .lname = "IO submit mode",
1637 .type = FIO_OPT_STR,
1638 .off1 = td_var_offset(io_submit_mode),
1639 .help = "How IO submissions and completions are done",
1640 .def = "inline",
1641 .category = FIO_OPT_C_IO,
1642 .group = FIO_OPT_G_IO_BASIC,
1643 .posval = {
1644 { .ival = "inline",
1645 .oval = IO_MODE_INLINE,
1646 .help = "Submit and complete IO inline",
1647 },
1648 { .ival = "offload",
1649 .oval = IO_MODE_OFFLOAD,
1650 .help = "Offload submit and complete to threads",
1651 },
1652 },
1653 },
214e1eca
JA		 1654 {
1655 .name = "size",
e8b0e958 1656 .lname = "Size",
214e1eca 1657 .type = FIO_OPT_STR_VAL,
7bb59102 1658 .cb = str_size_cb,
a8523a6a 1659 .off1 = td_var_offset(size),
214e1eca 1660 .help = "Total size of device or files",
20eb06bd 1661 .interval = 1024 * 1024,
e8b0e958
JA		 1662 .category = FIO_OPT_C_IO,
1663 .group = FIO_OPT_G_INVALID,
214e1eca 1664 },
77731b29 1665 {
a4d3b4db
JA		 1666 .name = "io_size",
1667 .alias = "io_limit",
1668 .lname = "IO Size",
77731b29
JA		 1669 .type = FIO_OPT_STR_VAL,
1670 .off1 = td_var_offset(io_limit),
1671 .interval = 1024 * 1024,
1672 .category = FIO_OPT_C_IO,
1673 .group = FIO_OPT_G_INVALID,
1674 },
aa31f1f1
SL		 1675 {
1676 .name = "fill_device",
e8b0e958 1677 .lname = "Fill device",
74586c1e 1678 .alias = "fill_fs",
aa31f1f1
SL		 1679 .type = FIO_OPT_BOOL,
1680 .off1 = td_var_offset(fill_device),
1681 .help = "Write until an ENOSPC error occurs",
1682 .def = "0",
e8b0e958
JA		 1683 .category = FIO_OPT_C_FILE,
1684 .group = FIO_OPT_G_INVALID,
aa31f1f1 1685 },
214e1eca
JA		 1686 {
1687 .name = "filesize",
e8b0e958 1688 .lname = "File size",
214e1eca
JA		 1689 .type = FIO_OPT_STR_VAL,
1690 .off1 = td_var_offset(file_size_low),
1691 .off2 = td_var_offset(file_size_high),
c3edbdba 1692 .minval = 1,
214e1eca 1693 .help = "Size of individual files",
20eb06bd 1694 .interval = 1024 * 1024,
e8b0e958
JA		 1695 .category = FIO_OPT_C_FILE,
1696 .group = FIO_OPT_G_INVALID,
214e1eca 1697 },
bedc9dc2
JA		 1698 {
1699 .name = "file_append",
1700 .lname = "File append",
1701 .type = FIO_OPT_BOOL,
1702 .off1 = td_var_offset(file_append),
1703 .help = "IO will start at the end of the file(s)",
1704 .def = "0",
1705 .category = FIO_OPT_C_FILE,
1706 .group = FIO_OPT_G_INVALID,
1707 },
67a1000f
JA		 1708 {
1709 .name = "offset",
e8b0e958 1710 .lname = "IO offset",
67a1000f
JA		 1711 .alias = "fileoffset",
1712 .type = FIO_OPT_STR_VAL,
1713 .off1 = td_var_offset(start_offset),
1714 .help = "Start IO from this offset",
1715 .def = "0",
20eb06bd 1716 .interval = 1024 * 1024,
e8b0e958
JA		 1717 .category = FIO_OPT_C_IO,
1718 .group = FIO_OPT_G_INVALID,
67a1000f 1719 },
2d7cd868
JA		 1720 {
1721 .name = "offset_increment",
e8b0e958 1722 .lname = "IO offset increment",
2d7cd868
JA		 1723 .type = FIO_OPT_STR_VAL,
1724 .off1 = td_var_offset(offset_increment),
1725 .help = "What is the increment from one offset to the next",
1726 .parent = "offset",
d71c154c 1727 .hide = 1,
2d7cd868 1728 .def = "0",
20eb06bd 1729 .interval = 1024 * 1024,
e8b0e958
JA		 1730 .category = FIO_OPT_C_IO,
1731 .group = FIO_OPT_G_INVALID,
2d7cd868 1732 },
ddf24e42
JA		 1733 {
1734 .name = "number_ios",
1735 .lname = "Number of IOs to perform",
1736 .type = FIO_OPT_STR_VAL,
1737 .off1 = td_var_offset(number_ios),
be3fec7d 1738 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1739 .def = "0",
1740 .category = FIO_OPT_C_IO,
1741 .group = FIO_OPT_G_INVALID,
1742 },
214e1eca
JA		 1743 {
1744 .name = "bs",
e8b0e958 1745 .lname = "Block size",
d3aad8f2 1746 .alias = "blocksize",
e01b22b8 1747 .type = FIO_OPT_INT,
214e1eca
JA		 1748 .off1 = td_var_offset(bs[DDIR_READ]),
1749 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1750 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1751 .minval = 1,
214e1eca
JA		 1752 .help = "Block size unit",
1753 .def = "4k",
67a1000f 1754 .parent = "rw",
d71c154c 1755 .hide = 1,
20eb06bd 1756 .interval = 512,
e8b0e958
JA		 1757 .category = FIO_OPT_C_IO,
1758 .group = FIO_OPT_G_INVALID,
214e1eca 1759 },
2b7a01d0
JA		 1760 {
1761 .name = "ba",
e8b0e958 1762 .lname = "Block size align",
2b7a01d0 1763 .alias = "blockalign",
e01b22b8 1764 .type = FIO_OPT_INT,
2b7a01d0
JA		 1765 .off1 = td_var_offset(ba[DDIR_READ]),
1766 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1767 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1768 .minval = 1,
1769 .help = "IO block offset alignment",
1770 .parent = "rw",
d71c154c 1771 .hide = 1,
20eb06bd 1772 .interval = 512,
e8b0e958
JA		 1773 .category = FIO_OPT_C_IO,
1774 .group = FIO_OPT_G_INVALID,
2b7a01d0 1775 },
214e1eca
JA		 1776 {
1777 .name = "bsrange",
e8b0e958 1778 .lname = "Block size range",
d3aad8f2 1779 .alias = "blocksize_range",
214e1eca
JA		 1780 .type = FIO_OPT_RANGE,
1781 .off1 = td_var_offset(min_bs[DDIR_READ]),
1782 .off2 = td_var_offset(max_bs[DDIR_READ]),
1783 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1784 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1785 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1786 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1787 .minval = 1,
214e1eca 1788 .help = "Set block size range (in more detail than bs)",
67a1000f 1789 .parent = "rw",
d71c154c 1790 .hide = 1,
20eb06bd 1791 .interval = 4096,
e8b0e958
JA		 1792 .category = FIO_OPT_C_IO,
1793 .group = FIO_OPT_G_INVALID,
214e1eca 1794 },
564ca972
JA		 1795 {
1796 .name = "bssplit",
e8b0e958 1797 .lname = "Block size split",
564ca972
JA		 1798 .type = FIO_OPT_STR,
1799 .cb = str_bssplit_cb,
a8523a6a 1800 .off1 = td_var_offset(bssplit),
564ca972
JA		 1801 .help = "Set a specific mix of block sizes",
1802 .parent = "rw",
d71c154c 1803 .hide = 1,
e8b0e958
JA		 1804 .category = FIO_OPT_C_IO,
1805 .group = FIO_OPT_G_INVALID,
564ca972 1806 },
214e1eca
JA		 1807 {
1808 .name = "bs_unaligned",
e8b0e958 1809 .lname = "Block size unaligned",
d3aad8f2 1810 .alias = "blocksize_unaligned",
214e1eca
JA		 1811 .type = FIO_OPT_STR_SET,
1812 .off1 = td_var_offset(bs_unaligned),
1813 .help = "Don't sector align IO buffer sizes",
67a1000f 1814 .parent = "rw",
d71c154c 1815 .hide = 1,
e8b0e958
JA		 1816 .category = FIO_OPT_C_IO,
1817 .group = FIO_OPT_G_INVALID,
214e1eca 1818 },
6aca9b3d
JA		 1819 {
1820 .name = "bs_is_seq_rand",
1821 .lname = "Block size division is seq/random (not read/write)",
1822 .type = FIO_OPT_BOOL,
1823 .off1 = td_var_offset(bs_is_seq_rand),
86d59660 1824 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 1825 .def = "0",
1826 .parent = "blocksize",
1827 .category = FIO_OPT_C_IO,
1828 .group = FIO_OPT_G_INVALID,
1829 },
214e1eca
JA		 1830 {
1831 .name = "randrepeat",
e8b0e958 1832 .lname = "Random repeatable",
214e1eca
JA		 1833 .type = FIO_OPT_BOOL,
1834 .off1 = td_var_offset(rand_repeatable),
1835 .help = "Use repeatable random IO pattern",
1836 .def = "1",
67a1000f 1837 .parent = "rw",
d71c154c 1838 .hide = 1,
e8b0e958 1839 .category = FIO_OPT_C_IO,
3ceb458f 1840 .group = FIO_OPT_G_RANDOM,
214e1eca 1841 },
04778baf
JA		 1842 {
1843 .name = "randseed",
1844 .lname = "The random generator seed",
363cffa7 1845 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1846 .off1 = td_var_offset(rand_seed),
1847 .help = "Set the random generator seed value",
40fe5e7b 1848 .def = "0x89",
04778baf
JA		 1849 .parent = "rw",
1850 .category = FIO_OPT_C_IO,
1851 .group = FIO_OPT_G_RANDOM,
1852 },
2615cc4b
JA		 1853 {
1854 .name = "use_os_rand",
e8b0e958 1855 .lname = "Use OS random",
54a21917
JA		 1856 .type = FIO_OPT_DEPRECATED,
1857 .off1 = td_var_offset(dep_use_os_rand),
e8b0e958 1858 .category = FIO_OPT_C_IO,
3ceb458f 1859 .group = FIO_OPT_G_RANDOM,
2615cc4b 1860 },
214e1eca
JA		 1861 {
1862 .name = "norandommap",
e8b0e958 1863 .lname = "No randommap",
214e1eca
JA		 1864 .type = FIO_OPT_STR_SET,
1865 .off1 = td_var_offset(norandommap),
1866 .help = "Accept potential duplicate random blocks",
67a1000f 1867 .parent = "rw",
d71c154c 1868 .hide = 1,
b2452a43 1869 .hide_on_set = 1,
e8b0e958 1870 .category = FIO_OPT_C_IO,
3ceb458f 1871 .group = FIO_OPT_G_RANDOM,
214e1eca 1872 },
2b386d25
JA		 1873 {
1874 .name = "softrandommap",
e8b0e958 1875 .lname = "Soft randommap",
2b386d25
JA		 1876 .type = FIO_OPT_BOOL,
1877 .off1 = td_var_offset(softrandommap),
f66ab3c8 1878 .help = "Set norandommap if randommap allocation fails",
2b386d25 1879 .parent = "norandommap",
d71c154c 1880 .hide = 1,
2b386d25 1881 .def = "0",
e8b0e958 1882 .category = FIO_OPT_C_IO,
3ceb458f 1883 .group = FIO_OPT_G_RANDOM,
2b386d25 1884 },
8055e41d
JA		 1885 {
1886 .name = "random_generator",
1887 .type = FIO_OPT_STR,
1888 .off1 = td_var_offset(random_generator),
1889 .help = "Type of random number generator to use",
1890 .def = "tausworthe",
1891 .posval = {
1892 { .ival = "tausworthe",
1893 .oval = FIO_RAND_GEN_TAUSWORTHE,
1894 .help = "Strong Tausworthe generator",
1895 },
1896 { .ival = "lfsr",
1897 .oval = FIO_RAND_GEN_LFSR,
1898 .help = "Variable length LFSR",
1899 },
1900 },
48107598
JA		 1901 .category = FIO_OPT_C_IO,
1902 .group = FIO_OPT_G_RANDOM,
8055e41d 1903 },
e25839d4
JA		 1904 {
1905 .name = "random_distribution",
1906 .type = FIO_OPT_STR,
1907 .off1 = td_var_offset(random_distribution),
1908 .cb = str_random_distribution_cb,
1909 .help = "Random offset distribution generator",
1910 .def = "random",
1911 .posval = {
1912 { .ival = "random",
1913 .oval = FIO_RAND_DIST_RANDOM,
1914 .help = "Completely random",
1915 },
1916 { .ival = "zipf",
1917 .oval = FIO_RAND_DIST_ZIPF,
1918 .help = "Zipf distribution",
1919 },
925fee33
JA		 1920 { .ival = "pareto",
1921 .oval = FIO_RAND_DIST_PARETO,
1922 .help = "Pareto distribution",
1923 },
56d9fa4b
JA		 1924 { .ival = "normal",
1925 .oval = FIO_RAND_DIST_GAUSS,
1926 .help = "Normal (gaussian) distribution",
1927 },
e25839d4 1928 },
48107598
JA		 1929 .category = FIO_OPT_C_IO,
1930 .group = FIO_OPT_G_RANDOM,
e25839d4 1931 },
211c9b89
JA		 1932 {
1933 .name = "percentage_random",
1934 .lname = "Percentage Random",
1935 .type = FIO_OPT_INT,
d9472271
JA		 1936 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1937 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1938 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1939 .maxval = 100,
1940 .help = "Percentage of seq/random mix that should be random",
d9472271 1941 .def = "100,100,100",
211c9b89
JA		 1942 .interval = 5,
1943 .inverse = "percentage_sequential",
1944 .category = FIO_OPT_C_IO,
1945 .group = FIO_OPT_G_RANDOM,
1946 },
1947 {
1948 .name = "percentage_sequential",
1949 .lname = "Percentage Sequential",
d9472271 1950 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1951 .category = FIO_OPT_C_IO,
1952 .group = FIO_OPT_G_RANDOM,
1953 },
56e2a5fc
CE		 1954 {
1955 .name = "allrandrepeat",
1956 .type = FIO_OPT_BOOL,
1957 .off1 = td_var_offset(allrand_repeatable),
1958 .help = "Use repeatable random numbers for everything",
1959 .def = "0",
a869d9c6
JA		 1960 .category = FIO_OPT_C_IO,
1961 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1962 },
214e1eca
JA		 1963 {
1964 .name = "nrfiles",
e8b0e958 1965 .lname = "Number of files",
d7c8be03 1966 .alias = "nr_files",
214e1eca
JA		 1967 .type = FIO_OPT_INT,
1968 .off1 = td_var_offset(nr_files),
1969 .help = "Split job workload between this number of files",
1970 .def = "1",
20eb06bd 1971 .interval = 1,
e8b0e958
JA		 1972 .category = FIO_OPT_C_FILE,
1973 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1974 },
1975 {
1976 .name = "openfiles",
e8b0e958 1977 .lname = "Number of open files",
214e1eca
JA		 1978 .type = FIO_OPT_INT,
1979 .off1 = td_var_offset(open_files),
1980 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1981 .category = FIO_OPT_C_FILE,
1982 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1983 },
1984 {
1985 .name = "file_service_type",
e8b0e958 1986 .lname = "File service type",
214e1eca
JA		 1987 .type = FIO_OPT_STR,
1988 .cb = str_fst_cb,
1989 .off1 = td_var_offset(file_service_type),
1990 .help = "How to select which file to service next",
1991 .def = "roundrobin",
e8b0e958
JA		 1992 .category = FIO_OPT_C_FILE,
1993 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1994 .posval = {
1995 { .ival = "random",
1996 .oval = FIO_FSERVICE_RANDOM,
1997 .help = "Choose a file at random",
1998 },
1999 { .ival = "roundrobin",
2000 .oval = FIO_FSERVICE_RR,
2001 .help = "Round robin select files",
2002 },
a086c257
JA		 2003 { .ival = "sequential",
2004 .oval = FIO_FSERVICE_SEQ,
2005 .help = "Finish one file before moving to the next",
2006 },
214e1eca 2007 },
67a1000f 2008 .parent = "nrfiles",
d71c154c 2009 .hide = 1,
67a1000f 2010 },
97ac992c 2011#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2012 {
2013 .name = "fallocate",
e8b0e958 2014 .lname = "Fallocate",
a596f047
EG		 2015 .type = FIO_OPT_STR,
2016 .off1 = td_var_offset(fallocate_mode),
2017 .help = "Whether pre-allocation is performed when laying out files",
2018 .def = "posix",
e8b0e958
JA		 2019 .category = FIO_OPT_C_FILE,
2020 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2021 .posval = {
2022 { .ival = "none",
2023 .oval = FIO_FALLOCATE_NONE,
2024 .help = "Do not pre-allocate space",
2025 },
2026 { .ival = "posix",
2027 .oval = FIO_FALLOCATE_POSIX,
2028 .help = "Use posix_fallocate()",
2029 },
97ac992c 2030#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2031 { .ival = "keep",
2032 .oval = FIO_FALLOCATE_KEEP_SIZE,
2033 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2034 },
7bc8c2cf 2035#endif
a596f047
EG		 2036 /* Compatibility with former boolean values */
2037 { .ival = "0",
2038 .oval = FIO_FALLOCATE_NONE,
2039 .help = "Alias for 'none'",
2040 },
2041 { .ival = "1",
2042 .oval = FIO_FALLOCATE_POSIX,
2043 .help = "Alias for 'posix'",
2044 },
2045 },
2046 },
97ac992c 2047#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2048 {
2049 .name = "fadvise_hint",
e8b0e958 2050 .lname = "Fadvise hint",
67a1000f
JA		 2051 .type = FIO_OPT_BOOL,
2052 .off1 = td_var_offset(fadvise_hint),
2053 .help = "Use fadvise() to advise the kernel on IO pattern",
2054 .def = "1",
e8b0e958
JA		 2055 .category = FIO_OPT_C_FILE,
2056 .group = FIO_OPT_G_INVALID,
214e1eca 2057 },
37659335
JA		 2058#ifdef FIO_HAVE_STREAMID
2059 {
2060 .name = "fadvise_stream",
2061 .lname = "Fadvise stream",
2062 .type = FIO_OPT_INT,
2063 .off1 = td_var_offset(fadvise_stream),
2064 .help = "Use fadvise() to set stream ID",
2065 .category = FIO_OPT_C_FILE,
2066 .group = FIO_OPT_G_INVALID,
2067 },
2068#endif
214e1eca
JA		 2069 {
2070 .name = "fsync",
e8b0e958 2071 .lname = "Fsync",
214e1eca
JA		 2072 .type = FIO_OPT_INT,
2073 .off1 = td_var_offset(fsync_blocks),
2074 .help = "Issue fsync for writes every given number of blocks",
2075 .def = "0",
20eb06bd 2076 .interval = 1,
e8b0e958
JA		 2077 .category = FIO_OPT_C_FILE,
2078 .group = FIO_OPT_G_INVALID,
214e1eca 2079 },
5f9099ea
JA		 2080 {
2081 .name = "fdatasync",
e8b0e958 2082 .lname = "Fdatasync",
5f9099ea
JA		 2083 .type = FIO_OPT_INT,
2084 .off1 = td_var_offset(fdatasync_blocks),
2085 .help = "Issue fdatasync for writes every given number of blocks",
2086 .def = "0",
20eb06bd 2087 .interval = 1,
e8b0e958
JA		 2088 .category = FIO_OPT_C_FILE,
2089 .group = FIO_OPT_G_INVALID,
5f9099ea 2090 },
1ef2b6be
JA		 2091 {
2092 .name = "write_barrier",
e8b0e958 2093 .lname = "Write barrier",
1ef2b6be
JA		 2094 .type = FIO_OPT_INT,
2095 .off1 = td_var_offset(barrier_blocks),
2096 .help = "Make every Nth write a barrier write",
2097 .def = "0",
20eb06bd 2098 .interval = 1,
e8b0e958
JA		 2099 .category = FIO_OPT_C_IO,
2100 .group = FIO_OPT_G_INVALID,
1ef2b6be 2101 },
67bf9823 2102#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2103 {
2104 .name = "sync_file_range",
e8b0e958 2105 .lname = "Sync file range",
44f29692
JA		 2106 .posval = {
2107 { .ival = "wait_before",
2108 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2109 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2110 .orval = 1,
44f29692
JA		 2111 },
2112 { .ival = "write",
2113 .oval = SYNC_FILE_RANGE_WRITE,
2114 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2115 .orval = 1,
44f29692
JA		 2116 },
2117 {
2118 .ival = "wait_after",
2119 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2120 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2121 .orval = 1,
44f29692
JA		 2122 },
2123 },
3843deb3 2124 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2125 .cb = str_sfr_cb,
2126 .off1 = td_var_offset(sync_file_range),
2127 .help = "Use sync_file_range()",
e8b0e958
JA		 2128 .category = FIO_OPT_C_FILE,
2129 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2130 },
2131#endif
214e1eca
JA		 2132 {
2133 .name = "direct",
e8b0e958 2134 .lname = "Direct I/O",
214e1eca
JA		 2135 .type = FIO_OPT_BOOL,
2136 .off1 = td_var_offset(odirect),
2137 .help = "Use O_DIRECT IO (negates buffered)",
2138 .def = "0",
a01a1bc5 2139 .inverse = "buffered",
e8b0e958 2140 .category = FIO_OPT_C_IO,
3ceb458f 2141 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2142 },
d01612f3
CM		 2143 {
2144 .name = "atomic",
2145 .lname = "Atomic I/O",
2146 .type = FIO_OPT_BOOL,
2147 .off1 = td_var_offset(oatomic),
2148 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2149 .def = "0",
2150 .category = FIO_OPT_C_IO,
2151 .group = FIO_OPT_G_IO_TYPE,
2152 },
214e1eca
JA		 2153 {
2154 .name = "buffered",
e8b0e958 2155 .lname = "Buffered I/O",
214e1eca
JA		 2156 .type = FIO_OPT_BOOL,
2157 .off1 = td_var_offset(odirect),
2158 .neg = 1,
2159 .help = "Use buffered IO (negates direct)",
2160 .def = "1",
a01a1bc5 2161 .inverse = "direct",
e8b0e958 2162 .category = FIO_OPT_C_IO,
3ceb458f 2163 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2164 },
2165 {
2166 .name = "overwrite",
e8b0e958 2167 .lname = "Overwrite",
214e1eca
JA		 2168 .type = FIO_OPT_BOOL,
2169 .off1 = td_var_offset(overwrite),
2170 .help = "When writing, set whether to overwrite current data",
2171 .def = "0",
e8b0e958
JA		 2172 .category = FIO_OPT_C_FILE,
2173 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2174 },
2175 {
2176 .name = "loops",
e8b0e958 2177 .lname = "Loops",
214e1eca
JA		 2178 .type = FIO_OPT_INT,
2179 .off1 = td_var_offset(loops),
2180 .help = "Number of times to run the job",
2181 .def = "1",
20eb06bd 2182 .interval = 1,
e8b0e958 2183 .category = FIO_OPT_C_GENERAL,
a1f6afec 2184 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2185 },
2186 {
2187 .name = "numjobs",
e8b0e958 2188 .lname = "Number of jobs",
214e1eca
JA		 2189 .type = FIO_OPT_INT,
2190 .off1 = td_var_offset(numjobs),
2191 .help = "Duplicate this job this many times",
2192 .def = "1",
20eb06bd 2193 .interval = 1,
e8b0e958 2194 .category = FIO_OPT_C_GENERAL,
a1f6afec 2195 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2196 },
2197 {
2198 .name = "startdelay",
e8b0e958 2199 .lname = "Start delay",
a5737c93 2200 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2201 .off1 = td_var_offset(start_delay),
23ed19b0 2202 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2203 .help = "Only start job when this period has passed",
2204 .def = "0",
0de5b26f 2205 .is_seconds = 1,
88038bc7 2206 .is_time = 1,
e8b0e958 2207 .category = FIO_OPT_C_GENERAL,
a1f6afec 2208 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2209 },
2210 {
2211 .name = "runtime",
e8b0e958 2212 .lname = "Runtime",
214e1eca
JA		 2213 .alias = "timeout",
2214 .type = FIO_OPT_STR_VAL_TIME,
2215 .off1 = td_var_offset(timeout),
2216 .help = "Stop workload when this amount of time has passed",
2217 .def = "0",
0de5b26f 2218 .is_seconds = 1,
88038bc7 2219 .is_time = 1,
e8b0e958 2220 .category = FIO_OPT_C_GENERAL,
a1f6afec 2221 .group = FIO_OPT_G_RUNTIME,
214e1eca 2222 },
cf4464ca
JA		 2223 {
2224 .name = "time_based",
e8b0e958 2225 .lname = "Time based",
cf4464ca
JA		 2226 .type = FIO_OPT_STR_SET,
2227 .off1 = td_var_offset(time_based),
2228 .help = "Keep running until runtime/timeout is met",
e8b0e958 2229 .category = FIO_OPT_C_GENERAL,
a1f6afec 2230 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2231 },
62167762
JC		 2232 {
2233 .name = "verify_only",
2234 .lname = "Verify only",
2235 .type = FIO_OPT_STR_SET,
2236 .off1 = td_var_offset(verify_only),
2237 .help = "Verifies previously written data is still valid",
2238 .category = FIO_OPT_C_GENERAL,
2239 .group = FIO_OPT_G_RUNTIME,
2240 },
721938ae
JA		 2241 {
2242 .name = "ramp_time",
e8b0e958 2243 .lname = "Ramp time",
721938ae
JA		 2244 .type = FIO_OPT_STR_VAL_TIME,
2245 .off1 = td_var_offset(ramp_time),
2246 .help = "Ramp up time before measuring performance",
0de5b26f 2247 .is_seconds = 1,
88038bc7 2248 .is_time = 1,
e8b0e958 2249 .category = FIO_OPT_C_GENERAL,
a1f6afec 2250 .group = FIO_OPT_G_RUNTIME,
721938ae 2251 },
c223da83
JA		 2252 {
2253 .name = "clocksource",
e8b0e958 2254 .lname = "Clock source",
c223da83
JA		 2255 .type = FIO_OPT_STR,
2256 .cb = fio_clock_source_cb,
2257 .off1 = td_var_offset(clocksource),
2258 .help = "What type of timing source to use",
e8b0e958 2259 .category = FIO_OPT_C_GENERAL,
10860056 2260 .group = FIO_OPT_G_CLOCK,
c223da83 2261 .posval = {
67bf9823 2262#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2263 { .ival = "gettimeofday",
2264 .oval = CS_GTOD,
2265 .help = "Use gettimeofday(2) for timing",
2266 },
67bf9823
JA		 2267#endif
2268#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2269 { .ival = "clock_gettime",
2270 .oval = CS_CGETTIME,
2271 .help = "Use clock_gettime(2) for timing",
2272 },
67bf9823 2273#endif
c223da83
JA		 2274#ifdef ARCH_HAVE_CPU_CLOCK
2275 { .ival = "cpu",
2276 .oval = CS_CPUCLOCK,
2277 .help = "Use CPU private clock",
2278 },
2279#endif
2280 },
2281 },
214e1eca
JA		 2282 {
2283 .name = "mem",
d3aad8f2 2284 .alias = "iomem",
e8b0e958 2285 .lname = "I/O Memory",
214e1eca
JA		 2286 .type = FIO_OPT_STR,
2287 .cb = str_mem_cb,
2288 .off1 = td_var_offset(mem_type),
2289 .help = "Backing type for IO buffers",
2290 .def = "malloc",
e8b0e958
JA		 2291 .category = FIO_OPT_C_IO,
2292 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2293 .posval = {
2294 { .ival = "malloc",
2295 .oval = MEM_MALLOC,
2296 .help = "Use malloc(3) for IO buffers",
2297 },
c8931876 2298#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2299 { .ival = "shm",
2300 .oval = MEM_SHM,
2301 .help = "Use shared memory segments for IO buffers",
2302 },
214e1eca
JA		 2303#ifdef FIO_HAVE_HUGETLB
2304 { .ival = "shmhuge",
2305 .oval = MEM_SHMHUGE,
2306 .help = "Like shm, but use huge pages",
2307 },
c8931876 2308#endif
b370e46a 2309#endif
37c8cdfe
JA		 2310 { .ival = "mmap",
2311 .oval = MEM_MMAP,
2312 .help = "Use mmap(2) (file or anon) for IO buffers",
2313 },
214e1eca
JA		 2314#ifdef FIO_HAVE_HUGETLB
2315 { .ival = "mmaphuge",
2316 .oval = MEM_MMAPHUGE,
2317 .help = "Like mmap, but use huge pages",
2318 },
2319#endif
2320 },
2321 },
d529ee19
JA		 2322 {
2323 .name = "iomem_align",
2324 .alias = "mem_align",
e8b0e958 2325 .lname = "I/O memory alignment",
d529ee19
JA		 2326 .type = FIO_OPT_INT,
2327 .off1 = td_var_offset(mem_align),
2328 .minval = 0,
2329 .help = "IO memory buffer offset alignment",
2330 .def = "0",
2331 .parent = "iomem",
d71c154c 2332 .hide = 1,
e8b0e958
JA		 2333 .category = FIO_OPT_C_IO,
2334 .group = FIO_OPT_G_INVALID,
d529ee19 2335 },
214e1eca
JA		 2336 {
2337 .name = "verify",
e8b0e958 2338 .lname = "Verify",
214e1eca
JA		 2339 .type = FIO_OPT_STR,
2340 .off1 = td_var_offset(verify),
2341 .help = "Verify data written",
2342 .def = "0",
e8b0e958 2343 .category = FIO_OPT_C_IO,
3ceb458f 2344 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2345 .posval = {
2346 { .ival = "0",
2347 .oval = VERIFY_NONE,
2348 .help = "Don't do IO verification",
2349 },
fcca4b58
JA		 2350 { .ival = "md5",
2351 .oval = VERIFY_MD5,
2352 .help = "Use md5 checksums for verification",
2353 },
d77a7af3
JA		 2354 { .ival = "crc64",
2355 .oval = VERIFY_CRC64,
2356 .help = "Use crc64 checksums for verification",
2357 },
214e1eca
JA		 2358 { .ival = "crc32",
2359 .oval = VERIFY_CRC32,
2360 .help = "Use crc32 checksums for verification",
2361 },
af497e6a 2362 { .ival = "crc32c-intel",
e3aaafc4
JA		 2363 .oval = VERIFY_CRC32C,
2364 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2365 },
bac39e0e
JA		 2366 { .ival = "crc32c",
2367 .oval = VERIFY_CRC32C,
e3aaafc4 2368 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2369 },
969f7ed3
JA		 2370 { .ival = "crc16",
2371 .oval = VERIFY_CRC16,
2372 .help = "Use crc16 checksums for verification",
2373 },
1e154bdb
JA		 2374 { .ival = "crc7",
2375 .oval = VERIFY_CRC7,
2376 .help = "Use crc7 checksums for verification",
2377 },
7c353ceb
JA		 2378 { .ival = "sha1",
2379 .oval = VERIFY_SHA1,
2380 .help = "Use sha1 checksums for verification",
2381 },
cd14cc10
JA		 2382 { .ival = "sha256",
2383 .oval = VERIFY_SHA256,
2384 .help = "Use sha256 checksums for verification",
2385 },
2386 { .ival = "sha512",
2387 .oval = VERIFY_SHA512,
2388 .help = "Use sha512 checksums for verification",
2389 },
844ea602
JA		 2390 { .ival = "xxhash",
2391 .oval = VERIFY_XXHASH,
2392 .help = "Use xxhash checksums for verification",
2393 },
7437ee87
SL		 2394 { .ival = "meta",
2395 .oval = VERIFY_META,
2396 .help = "Use io information",
2397 },
36690c9b
JA		 2398 {
2399 .ival = "null",
2400 .oval = VERIFY_NULL,
2401 .help = "Pretend to verify",
2402 },
214e1eca
JA		 2403 },
2404 },
005c565a
JA		 2405 {
2406 .name = "do_verify",
e8b0e958 2407 .lname = "Perform verify step",
68e1f29a 2408 .type = FIO_OPT_BOOL,
005c565a
JA		 2409 .off1 = td_var_offset(do_verify),
2410 .help = "Run verification stage after write",
2411 .def = "1",
2412 .parent = "verify",
d71c154c 2413 .hide = 1,
e8b0e958
JA		 2414 .category = FIO_OPT_C_IO,
2415 .group = FIO_OPT_G_VERIFY,
005c565a 2416 },
160b966d
JA		 2417 {
2418 .name = "verifysort",
e8b0e958 2419 .lname = "Verify sort",
160b966d
JA		 2420 .type = FIO_OPT_BOOL,
2421 .off1 = td_var_offset(verifysort),
2422 .help = "Sort written verify blocks for read back",
2423 .def = "1",
c83f2df1 2424 .parent = "verify",
d71c154c 2425 .hide = 1,
e8b0e958
JA		 2426 .category = FIO_OPT_C_IO,
2427 .group = FIO_OPT_G_VERIFY,
160b966d 2428 },
1ae83d45
JA		 2429 {
2430 .name = "verifysort_nr",
2431 .type = FIO_OPT_INT,
2432 .off1 = td_var_offset(verifysort_nr),
2433 .help = "Pre-load and sort verify blocks for a read workload",
2434 .minval = 0,
2435 .maxval = 131072,
2436 .def = "1024",
2437 .parent = "verify",
836fcc0f
JA		 2438 .category = FIO_OPT_C_IO,
2439 .group = FIO_OPT_G_VERIFY,
1ae83d45 2440 },
3f9f4e26 2441 {
a59e170d 2442 .name = "verify_interval",
e8b0e958 2443 .lname = "Verify interval",
e01b22b8 2444 .type = FIO_OPT_INT,
a59e170d 2445 .off1 = td_var_offset(verify_interval),
819a9680 2446 .minval = 2 * sizeof(struct verify_header),
a59e170d 2447 .help = "Store verify buffer header every N bytes",
afdf9352 2448 .parent = "verify",
d71c154c 2449 .hide = 1,
20eb06bd 2450 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2451 .category = FIO_OPT_C_IO,
2452 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2453 },
546a9142 2454 {
a59e170d 2455 .name = "verify_offset",
e8b0e958 2456 .lname = "Verify offset",
e01b22b8 2457 .type = FIO_OPT_INT,
a59e170d 2458 .help = "Offset verify header location by N bytes",
203160d5
JA		 2459 .off1 = td_var_offset(verify_offset),
2460 .minval = sizeof(struct verify_header),
afdf9352 2461 .parent = "verify",
d71c154c 2462 .hide = 1,
e8b0e958
JA		 2463 .category = FIO_OPT_C_IO,
2464 .group = FIO_OPT_G_VERIFY,
546a9142 2465 },
e28218f3
SL		 2466 {
2467 .name = "verify_pattern",
e8b0e958 2468 .lname = "Verify pattern",
0e92f873 2469 .type = FIO_OPT_STR,
e28218f3 2470 .cb = str_verify_pattern_cb,
a8523a6a 2471 .off1 = td_var_offset(verify_pattern),
e28218f3
SL		 2472 .help = "Fill pattern for IO buffers",
2473 .parent = "verify",
d71c154c 2474 .hide = 1,
e8b0e958
JA		 2475 .category = FIO_OPT_C_IO,
2476 .group = FIO_OPT_G_VERIFY,
e28218f3 2477 },
a12a3b4d
JA		 2478 {
2479 .name = "verify_fatal",
e8b0e958 2480 .lname = "Verify fatal",
68e1f29a 2481 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2482 .off1 = td_var_offset(verify_fatal),
2483 .def = "0",
2484 .help = "Exit on a single verify failure, don't continue",
2485 .parent = "verify",
d71c154c 2486 .hide = 1,
e8b0e958
JA		 2487 .category = FIO_OPT_C_IO,
2488 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2489 },
b463e936
JA		 2490 {
2491 .name = "verify_dump",
e8b0e958 2492 .lname = "Verify dump",
b463e936
JA		 2493 .type = FIO_OPT_BOOL,
2494 .off1 = td_var_offset(verify_dump),
ef71e317 2495 .def = "0",
b463e936
JA		 2496 .help = "Dump contents of good and bad blocks on failure",
2497 .parent = "verify",
d71c154c 2498 .hide = 1,
e8b0e958
JA		 2499 .category = FIO_OPT_C_IO,
2500 .group = FIO_OPT_G_VERIFY,
b463e936 2501 },
e8462bd8
JA		 2502 {
2503 .name = "verify_async",
e8b0e958 2504 .lname = "Verify asynchronously",
e8462bd8
JA		 2505 .type = FIO_OPT_INT,
2506 .off1 = td_var_offset(verify_async),
2507 .def = "0",
2508 .help = "Number of async verifier threads to use",
2509 .parent = "verify",
d71c154c 2510 .hide = 1,
e8b0e958
JA		 2511 .category = FIO_OPT_C_IO,
2512 .group = FIO_OPT_G_VERIFY,
e8462bd8 2513 },
9e144189
JA		 2514 {
2515 .name = "verify_backlog",
e8b0e958 2516 .lname = "Verify backlog",
9e144189
JA		 2517 .type = FIO_OPT_STR_VAL,
2518 .off1 = td_var_offset(verify_backlog),
2519 .help = "Verify after this number of blocks are written",
2520 .parent = "verify",
d71c154c 2521 .hide = 1,
e8b0e958
JA		 2522 .category = FIO_OPT_C_IO,
2523 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2524 },
2525 {
2526 .name = "verify_backlog_batch",
e8b0e958 2527 .lname = "Verify backlog batch",
9e144189
JA		 2528 .type = FIO_OPT_INT,
2529 .off1 = td_var_offset(verify_batch),
2530 .help = "Verify this number of IO blocks",
0d29de83 2531 .parent = "verify",
d71c154c 2532 .hide = 1,
e8b0e958
JA		 2533 .category = FIO_OPT_C_IO,
2534 .group = FIO_OPT_G_VERIFY,
9e144189 2535 },
e8462bd8
JA		 2536#ifdef FIO_HAVE_CPU_AFFINITY
2537 {
2538 .name = "verify_async_cpus",
e8b0e958 2539 .lname = "Async verify CPUs",
e8462bd8
JA		 2540 .type = FIO_OPT_STR,
2541 .cb = str_verify_cpus_allowed_cb,
a8523a6a 2542 .off1 = td_var_offset(verify_cpumask),
e8462bd8
JA		 2543 .help = "Set CPUs allowed for async verify threads",
2544 .parent = "verify_async",
d71c154c 2545 .hide = 1,
e8b0e958
JA		 2546 .category = FIO_OPT_C_IO,
2547 .group = FIO_OPT_G_VERIFY,
e8462bd8 2548 },
0d29de83 2549#endif
51aa2da8
JA		 2550 {
2551 .name = "experimental_verify",
2552 .off1 = td_var_offset(experimental_verify),
2553 .type = FIO_OPT_BOOL,
b31eaac9 2554 .help = "Enable experimental verification",
ca09be4b
JA		 2555 .parent = "verify",
2556 .category = FIO_OPT_C_IO,
2557 .group = FIO_OPT_G_VERIFY,
2558 },
2559 {
2560 .name = "verify_state_load",
2561 .lname = "Load verify state",
2562 .off1 = td_var_offset(verify_state),
2563 .type = FIO_OPT_BOOL,
2564 .help = "Load verify termination state",
2565 .parent = "verify",
2566 .category = FIO_OPT_C_IO,
2567 .group = FIO_OPT_G_VERIFY,
2568 },
2569 {
2570 .name = "verify_state_save",
2571 .lname = "Save verify state",
2572 .off1 = td_var_offset(verify_state_save),
2573 .type = FIO_OPT_BOOL,
2574 .def = "1",
2575 .help = "Save verify state on termination",
2576 .parent = "verify",
836fcc0f
JA		 2577 .category = FIO_OPT_C_IO,
2578 .group = FIO_OPT_G_VERIFY,
51aa2da8 2579 },
0d29de83
JA		 2580#ifdef FIO_HAVE_TRIM
2581 {
2582 .name = "trim_percentage",
e8b0e958 2583 .lname = "Trim percentage",
0d29de83 2584 .type = FIO_OPT_INT,
203160d5 2585 .off1 = td_var_offset(trim_percentage),
20eb06bd 2586 .minval = 0,
0d29de83
JA		 2587 .maxval = 100,
2588 .help = "Number of verify blocks to discard/trim",
2589 .parent = "verify",
2590 .def = "0",
20eb06bd 2591 .interval = 1,
d71c154c 2592 .hide = 1,
e8b0e958
JA		 2593 .category = FIO_OPT_C_IO,
2594 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2595 },
2596 {
2597 .name = "trim_verify_zero",
e8b0e958 2598 .lname = "Verify trim zero",
20eb06bd 2599 .type = FIO_OPT_BOOL,
0d29de83
JA		 2600 .help = "Verify that trim/discarded blocks are returned as zeroes",
2601 .off1 = td_var_offset(trim_zero),
2602 .parent = "trim_percentage",
d71c154c 2603 .hide = 1,
0d29de83 2604 .def = "1",
e8b0e958
JA		 2605 .category = FIO_OPT_C_IO,
2606 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2607 },
2608 {
2609 .name = "trim_backlog",
e8b0e958 2610 .lname = "Trim backlog",
0d29de83
JA		 2611 .type = FIO_OPT_STR_VAL,
2612 .off1 = td_var_offset(trim_backlog),
2613 .help = "Trim after this number of blocks are written",
2614 .parent = "trim_percentage",
d71c154c 2615 .hide = 1,
20eb06bd 2616 .interval = 1,
e8b0e958
JA		 2617 .category = FIO_OPT_C_IO,
2618 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2619 },
2620 {
2621 .name = "trim_backlog_batch",
e8b0e958 2622 .lname = "Trim backlog batch",
0d29de83
JA		 2623 .type = FIO_OPT_INT,
2624 .off1 = td_var_offset(trim_batch),
2625 .help = "Trim this number of IO blocks",
2626 .parent = "trim_percentage",
d71c154c 2627 .hide = 1,
20eb06bd 2628 .interval = 1,
e8b0e958
JA		 2629 .category = FIO_OPT_C_IO,
2630 .group = FIO_OPT_G_TRIM,
0d29de83 2631 },
e8462bd8 2632#endif
214e1eca
JA		 2633 {
2634 .name = "write_iolog",
e8b0e958 2635 .lname = "Write I/O log",
214e1eca
JA		 2636 .type = FIO_OPT_STR_STORE,
2637 .off1 = td_var_offset(write_iolog_file),
2638 .help = "Store IO pattern to file",
e8b0e958
JA		 2639 .category = FIO_OPT_C_IO,
2640 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2641 },
2642 {
2643 .name = "read_iolog",
e8b0e958 2644 .lname = "Read I/O log",
214e1eca
JA		 2645 .type = FIO_OPT_STR_STORE,
2646 .off1 = td_var_offset(read_iolog_file),
2647 .help = "Playback IO pattern from file",
e8b0e958
JA		 2648 .category = FIO_OPT_C_IO,
2649 .group = FIO_OPT_G_IOLOG,
214e1eca 2650 },
64bbb865
DN		 2651 {
2652 .name = "replay_no_stall",
e8b0e958 2653 .lname = "Don't stall on replay",
20eb06bd 2654 .type = FIO_OPT_BOOL,
64bbb865
DN		 2655 .off1 = td_var_offset(no_stall),
2656 .def = "0",
87e7a972 2657 .parent = "read_iolog",
d71c154c 2658 .hide = 1,
64bbb865 2659 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2660 .category = FIO_OPT_C_IO,
2661 .group = FIO_OPT_G_IOLOG,
64bbb865 2662 },
d1c46c04
DN		 2663 {
2664 .name = "replay_redirect",
e8b0e958 2665 .lname = "Redirect device for replay",
d1c46c04
DN		 2666 .type = FIO_OPT_STR_STORE,
2667 .off1 = td_var_offset(replay_redirect),
2668 .parent = "read_iolog",
d71c154c 2669 .hide = 1,
d1c46c04 2670 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2671 .category = FIO_OPT_C_IO,
2672 .group = FIO_OPT_G_IOLOG,
d1c46c04 2673 },
0c63576e
JA		 2674 {
2675 .name = "replay_scale",
2676 .lname = "Replace offset scale factor",
2677 .type = FIO_OPT_INT,
2678 .off1 = td_var_offset(replay_scale),
2679 .parent = "read_iolog",
2680 .def = "1",
2681 .help = "Align offsets to this blocksize",
2682 .category = FIO_OPT_C_IO,
2683 .group = FIO_OPT_G_IOLOG,
2684 },
2685 {
2686 .name = "replay_align",
2687 .lname = "Replace alignment",
2688 .type = FIO_OPT_INT,
2689 .off1 = td_var_offset(replay_align),
2690 .parent = "read_iolog",
2691 .help = "Scale offset down by this factor",
2692 .category = FIO_OPT_C_IO,
2693 .group = FIO_OPT_G_IOLOG,
2694 .pow2 = 1,
2695 },
214e1eca
JA		 2696 {
2697 .name = "exec_prerun",
e8b0e958 2698 .lname = "Pre-execute runnable",
214e1eca
JA		 2699 .type = FIO_OPT_STR_STORE,
2700 .off1 = td_var_offset(exec_prerun),
2701 .help = "Execute this file prior to running job",
e8b0e958
JA		 2702 .category = FIO_OPT_C_GENERAL,
2703 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2704 },
2705 {
2706 .name = "exec_postrun",
e8b0e958 2707 .lname = "Post-execute runnable",
214e1eca
JA		 2708 .type = FIO_OPT_STR_STORE,
2709 .off1 = td_var_offset(exec_postrun),
2710 .help = "Execute this file after running job",
e8b0e958
JA		 2711 .category = FIO_OPT_C_GENERAL,
2712 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2713 },
2714#ifdef FIO_HAVE_IOSCHED_SWITCH
2715 {
2716 .name = "ioscheduler",
e8b0e958 2717 .lname = "I/O scheduler",
214e1eca
JA		 2718 .type = FIO_OPT_STR_STORE,
2719 .off1 = td_var_offset(ioscheduler),
2720 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2721 .category = FIO_OPT_C_FILE,
2722 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2723 },
2724#endif
2725 {
2726 .name = "zonesize",
e8b0e958 2727 .lname = "Zone size",
214e1eca
JA		 2728 .type = FIO_OPT_STR_VAL,
2729 .off1 = td_var_offset(zone_size),
ed335855
SN		 2730 .help = "Amount of data to read per zone",
2731 .def = "0",
20eb06bd 2732 .interval = 1024 * 1024,
e8b0e958
JA		 2733 .category = FIO_OPT_C_IO,
2734 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2735 },
2736 {
2737 .name = "zonerange",
e8b0e958 2738 .lname = "Zone range",
ed335855
SN		 2739 .type = FIO_OPT_STR_VAL,
2740 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2741 .help = "Give size of an IO zone",
2742 .def = "0",
20eb06bd 2743 .interval = 1024 * 1024,
e8b0e958
JA		 2744 .category = FIO_OPT_C_IO,
2745 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2746 },
2747 {
2748 .name = "zoneskip",
e8b0e958 2749 .lname = "Zone skip",
214e1eca
JA		 2750 .type = FIO_OPT_STR_VAL,
2751 .off1 = td_var_offset(zone_skip),
2752 .help = "Space between IO zones",
2753 .def = "0",
20eb06bd 2754 .interval = 1024 * 1024,
e8b0e958
JA		 2755 .category = FIO_OPT_C_IO,
2756 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2757 },
2758 {
2759 .name = "lockmem",
e8b0e958 2760 .lname = "Lock memory",
214e1eca 2761 .type = FIO_OPT_STR_VAL,
1b79a070 2762 .off1 = td_var_offset(lockmem),
81c6b6cd 2763 .help = "Lock down this amount of memory (per worker)",
214e1eca 2764 .def = "0",
20eb06bd 2765 .interval = 1024 * 1024,
e8b0e958
JA		 2766 .category = FIO_OPT_C_GENERAL,
2767 .group = FIO_OPT_G_INVALID,
214e1eca 2768 },
214e1eca
JA		 2769 {
2770 .name = "rwmixread",
e8b0e958 2771 .lname = "Read/write mix read",
214e1eca 2772 .type = FIO_OPT_INT,
cb499fc4 2773 .cb = str_rwmix_read_cb,
a8523a6a 2774 .off1 = td_var_offset(rwmix[DDIR_READ]),
214e1eca
JA		 2775 .maxval = 100,
2776 .help = "Percentage of mixed workload that is reads",
2777 .def = "50",
20eb06bd 2778 .interval = 5,
90265353 2779 .inverse = "rwmixwrite",
e8b0e958
JA		 2780 .category = FIO_OPT_C_IO,
2781 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2782 },
2783 {
2784 .name = "rwmixwrite",
e8b0e958 2785 .lname = "Read/write mix write",
214e1eca 2786 .type = FIO_OPT_INT,
cb499fc4 2787 .cb = str_rwmix_write_cb,
a8523a6a 2788 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
214e1eca
JA		 2789 .maxval = 100,
2790 .help = "Percentage of mixed workload that is writes",
2791 .def = "50",
20eb06bd 2792 .interval = 5,
90265353 2793 .inverse = "rwmixread",
e8b0e958
JA		 2794 .category = FIO_OPT_C_IO,
2795 .group = FIO_OPT_G_RWMIX,
214e1eca 2796 },
afdf9352
JA		 2797 {
2798 .name = "rwmixcycle",
e8b0e958 2799 .lname = "Read/write mix cycle",
15ca150e 2800 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2801 .category = FIO_OPT_C_IO,
2802 .group = FIO_OPT_G_RWMIX,
afdf9352 2803 },
214e1eca
JA		 2804 {
2805 .name = "nice",
e8b0e958 2806 .lname = "Nice",
214e1eca
JA		 2807 .type = FIO_OPT_INT,
2808 .off1 = td_var_offset(nice),
2809 .help = "Set job CPU nice value",
2810 .minval = -19,
2811 .maxval = 20,
2812 .def = "0",
20eb06bd 2813 .interval = 1,
e8b0e958 2814 .category = FIO_OPT_C_GENERAL,
10860056 2815 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2816 },
2817#ifdef FIO_HAVE_IOPRIO
2818 {
2819 .name = "prio",
e8b0e958 2820 .lname = "I/O nice priority",
214e1eca 2821 .type = FIO_OPT_INT,
28727df7 2822 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2823 .help = "Set job IO priority value",
2824 .minval = 0,
2825 .maxval = 7,
20eb06bd 2826 .interval = 1,
e8b0e958 2827 .category = FIO_OPT_C_GENERAL,
10860056 2828 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2829 },
2830 {
2831 .name = "prioclass",
e8b0e958 2832 .lname = "I/O nice priority class",
214e1eca 2833 .type = FIO_OPT_INT,
28727df7 2834 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2835 .help = "Set job IO priority class",
2836 .minval = 0,
2837 .maxval = 3,
20eb06bd 2838 .interval = 1,
e8b0e958 2839 .category = FIO_OPT_C_GENERAL,
10860056 2840 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2841 },
2842#endif
2843 {
2844 .name = "thinktime",
e8b0e958 2845 .lname = "Thinktime",
214e1eca
JA		 2846 .type = FIO_OPT_INT,
2847 .off1 = td_var_offset(thinktime),
2848 .help = "Idle time between IO buffers (usec)",
2849 .def = "0",
88038bc7 2850 .is_time = 1,
e8b0e958 2851 .category = FIO_OPT_C_IO,
3ceb458f 2852 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2853 },
2854 {
2855 .name = "thinktime_spin",
e8b0e958 2856 .lname = "Thinktime spin",
214e1eca
JA		 2857 .type = FIO_OPT_INT,
2858 .off1 = td_var_offset(thinktime_spin),
2859 .help = "Start think time by spinning this amount (usec)",
2860 .def = "0",
88038bc7 2861 .is_time = 1,
afdf9352 2862 .parent = "thinktime",
d71c154c 2863 .hide = 1,
e8b0e958 2864 .category = FIO_OPT_C_IO,
3ceb458f 2865 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2866 },
2867 {
2868 .name = "thinktime_blocks",
e8b0e958 2869 .lname = "Thinktime blocks",
214e1eca
JA		 2870 .type = FIO_OPT_INT,
2871 .off1 = td_var_offset(thinktime_blocks),
2872 .help = "IO buffer period between 'thinktime'",
2873 .def = "1",
afdf9352 2874 .parent = "thinktime",
d71c154c 2875 .hide = 1,
e8b0e958 2876 .category = FIO_OPT_C_IO,
3ceb458f 2877 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2878 },
2879 {
2880 .name = "rate",
e8b0e958 2881 .lname = "I/O rate",
e01b22b8 2882 .type = FIO_OPT_INT,
6eaf09d6
SL		 2883 .off1 = td_var_offset(rate[DDIR_READ]),
2884 .off2 = td_var_offset(rate[DDIR_WRITE]),
2885 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2886 .help = "Set bandwidth rate",
e8b0e958
JA		 2887 .category = FIO_OPT_C_IO,
2888 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2889 },
2890 {
2891 .name = "ratemin",
e8b0e958 2892 .lname = "I/O min rate",
e01b22b8 2893 .type = FIO_OPT_INT,
6eaf09d6
SL		 2894 .off1 = td_var_offset(ratemin[DDIR_READ]),
2895 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2896 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2897 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2898 .parent = "rate",
d71c154c 2899 .hide = 1,
e8b0e958
JA		 2900 .category = FIO_OPT_C_IO,
2901 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2902 },
2903 {
2904 .name = "rate_iops",
e8b0e958 2905 .lname = "I/O rate IOPS",
e01b22b8 2906 .type = FIO_OPT_INT,
6eaf09d6
SL		 2907 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2908 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2909 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2910 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2911 .hide = 1,
e8b0e958
JA		 2912 .category = FIO_OPT_C_IO,
2913 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2914 },
2915 {
2916 .name = "rate_iops_min",
e8b0e958 2917 .lname = "I/O min rate IOPS",
e01b22b8 2918 .type = FIO_OPT_INT,
6eaf09d6
SL		 2919 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2920 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2921 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2922 .help = "Job must meet this rate or it will be shut down",
afdf9352 2923 .parent = "rate_iops",
d71c154c 2924 .hide = 1,
e8b0e958
JA		 2925 .category = FIO_OPT_C_IO,
2926 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2927 },
2928 {
2929 .name = "ratecycle",
e8b0e958 2930 .lname = "I/O rate cycle",
214e1eca
JA		 2931 .type = FIO_OPT_INT,
2932 .off1 = td_var_offset(ratecycle),
2933 .help = "Window average for rate limits (msec)",
2934 .def = "1000",
afdf9352 2935 .parent = "rate",
d71c154c 2936 .hide = 1,
e8b0e958
JA		 2937 .category = FIO_OPT_C_IO,
2938 .group = FIO_OPT_G_RATE,
214e1eca 2939 },
15501535
JA		 2940 {
2941 .name = "max_latency",
2942 .type = FIO_OPT_INT,
2943 .off1 = td_var_offset(max_latency),
2944 .help = "Maximum tolerated IO latency (usec)",
88038bc7 2945 .is_time = 1,
1e5324e7 2946 .category = FIO_OPT_C_IO,
3e260a46
JA		 2947 .group = FIO_OPT_G_LATPROF,
2948 },
2949 {
2950 .name = "latency_target",
2951 .lname = "Latency Target (usec)",
2952 .type = FIO_OPT_STR_VAL_TIME,
2953 .off1 = td_var_offset(latency_target),
2954 .help = "Ramp to max queue depth supporting this latency",
88038bc7 2955 .is_time = 1,
3e260a46
JA		 2956 .category = FIO_OPT_C_IO,
2957 .group = FIO_OPT_G_LATPROF,
2958 },
2959 {
2960 .name = "latency_window",
2961 .lname = "Latency Window (usec)",
2962 .type = FIO_OPT_STR_VAL_TIME,
2963 .off1 = td_var_offset(latency_window),
2964 .help = "Time to sustain latency_target",
88038bc7 2965 .is_time = 1,
3e260a46
JA		 2966 .category = FIO_OPT_C_IO,
2967 .group = FIO_OPT_G_LATPROF,
2968 },
2969 {
2970 .name = "latency_percentile",
2971 .lname = "Latency Percentile",
2972 .type = FIO_OPT_FLOAT_LIST,
2973 .off1 = td_var_offset(latency_percentile),
2974 .help = "Percentile of IOs must be below latency_target",
2975 .def = "100",
2976 .maxlen = 1,
2977 .minfp = 0.0,
2978 .maxfp = 100.0,
2979 .category = FIO_OPT_C_IO,
2980 .group = FIO_OPT_G_LATPROF,
15501535 2981 },
214e1eca
JA		 2982 {
2983 .name = "invalidate",
e8b0e958 2984 .lname = "Cache invalidate",
214e1eca
JA		 2985 .type = FIO_OPT_BOOL,
2986 .off1 = td_var_offset(invalidate_cache),
2987 .help = "Invalidate buffer/page cache prior to running job",
2988 .def = "1",
e8b0e958 2989 .category = FIO_OPT_C_IO,
3ceb458f 2990 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2991 },
2992 {
2993 .name = "sync",
e8b0e958 2994 .lname = "Synchronous I/O",
214e1eca
JA		 2995 .type = FIO_OPT_BOOL,
2996 .off1 = td_var_offset(sync_io),
2997 .help = "Use O_SYNC for buffered writes",
2998 .def = "0",
67a1000f 2999 .parent = "buffered",
d71c154c 3000 .hide = 1,
e8b0e958 3001 .category = FIO_OPT_C_IO,
3ceb458f 3002 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3003 },
214e1eca
JA		 3004 {
3005 .name = "create_serialize",
e8b0e958 3006 .lname = "Create serialize",
214e1eca
JA		 3007 .type = FIO_OPT_BOOL,
3008 .off1 = td_var_offset(create_serialize),
3009 .help = "Serialize creating of job files",
3010 .def = "1",
e8b0e958
JA		 3011 .category = FIO_OPT_C_FILE,
3012 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3013 },
3014 {
3015 .name = "create_fsync",
e8b0e958 3016 .lname = "Create fsync",
214e1eca
JA		 3017 .type = FIO_OPT_BOOL,
3018 .off1 = td_var_offset(create_fsync),
03e20d68 3019 .help = "fsync file after creation",
214e1eca 3020 .def = "1",
e8b0e958
JA		 3021 .category = FIO_OPT_C_FILE,
3022 .group = FIO_OPT_G_INVALID,
214e1eca 3023 },
814452bd
JA		 3024 {
3025 .name = "create_on_open",
e8b0e958 3026 .lname = "Create on open",
814452bd
JA		 3027 .type = FIO_OPT_BOOL,
3028 .off1 = td_var_offset(create_on_open),
3029 .help = "Create files when they are opened for IO",
3030 .def = "0",
e8b0e958
JA		 3031 .category = FIO_OPT_C_FILE,
3032 .group = FIO_OPT_G_INVALID,
814452bd 3033 },
25460cf6
JA		 3034 {
3035 .name = "create_only",
3036 .type = FIO_OPT_BOOL,
3037 .off1 = td_var_offset(create_only),
3038 .help = "Only perform file creation phase",
d17fda71 3039 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3040 .def = "0",
3041 },
0b9d69ec 3042 {
afad68f7 3043 .name = "pre_read",
e8b0e958 3044 .lname = "Pre-read files",
afad68f7
ZY		 3045 .type = FIO_OPT_BOOL,
3046 .off1 = td_var_offset(pre_read),
03e20d68 3047 .help = "Pre-read files before starting official testing",
afad68f7 3048 .def = "0",
e8b0e958
JA		 3049 .category = FIO_OPT_C_FILE,
3050 .group = FIO_OPT_G_INVALID,
afad68f7 3051 },
214e1eca
JA		 3052#ifdef FIO_HAVE_CPU_AFFINITY
3053 {
3054 .name = "cpumask",
e8b0e958 3055 .lname = "CPU mask",
214e1eca
JA		 3056 .type = FIO_OPT_INT,
3057 .cb = str_cpumask_cb,
a8523a6a 3058 .off1 = td_var_offset(cpumask),
214e1eca 3059 .help = "CPU affinity mask",
e8b0e958 3060 .category = FIO_OPT_C_GENERAL,
10860056 3061 .group = FIO_OPT_G_CRED,
214e1eca 3062 },
d2e268b0
JA		 3063 {
3064 .name = "cpus_allowed",
e8b0e958 3065 .lname = "CPUs allowed",
d2e268b0
JA		 3066 .type = FIO_OPT_STR,
3067 .cb = str_cpus_allowed_cb,
a8523a6a 3068 .off1 = td_var_offset(cpumask),
d2e268b0 3069 .help = "Set CPUs allowed",
e8b0e958 3070 .category = FIO_OPT_C_GENERAL,
10860056 3071 .group = FIO_OPT_G_CRED,
d2e268b0 3072 },
c2acfbac
JA		 3073 {
3074 .name = "cpus_allowed_policy",
3075 .lname = "CPUs allowed distribution policy",
3076 .type = FIO_OPT_STR,
3077 .off1 = td_var_offset(cpus_allowed_policy),
3078 .help = "Distribution policy for cpus_allowed",
3079 .parent = "cpus_allowed",
3080 .prio = 1,
3081 .posval = {
3082 { .ival = "shared",
3083 .oval = FIO_CPUS_SHARED,
3084 .help = "Mask shared between threads",
3085 },
3086 { .ival = "split",
3087 .oval = FIO_CPUS_SPLIT,
3088 .help = "Mask split between threads",
3089 },
3090 },
3091 .category = FIO_OPT_C_GENERAL,
3092 .group = FIO_OPT_G_CRED,
3093 },
d0b937ed 3094#endif
67bf9823 3095#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3096 {
3097 .name = "numa_cpu_nodes",
3098 .type = FIO_OPT_STR,
3099 .cb = str_numa_cpunodes_cb,
b2a9e649 3100 .off1 = td_var_offset(numa_cpunodes),
d0b937ed 3101 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3102 .category = FIO_OPT_C_GENERAL,
3103 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3104 },
3105 {
3106 .name = "numa_mem_policy",
3107 .type = FIO_OPT_STR,
3108 .cb = str_numa_mpol_cb,
b2a9e649 3109 .off1 = td_var_offset(numa_memnodes),
d0b937ed 3110 .help = "NUMA memory policy setup",
6be54b2d
JA		 3111 .category = FIO_OPT_C_GENERAL,
3112 .group = FIO_OPT_G_INVALID,
d0b937ed 3113 },
214e1eca
JA		 3114#endif
3115 {
3116 .name = "end_fsync",
e8b0e958 3117 .lname = "End fsync",
214e1eca
JA		 3118 .type = FIO_OPT_BOOL,
3119 .off1 = td_var_offset(end_fsync),
3120 .help = "Include fsync at the end of job",
3121 .def = "0",
e8b0e958
JA		 3122 .category = FIO_OPT_C_FILE,
3123 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3124 },
3125 {
3126 .name = "fsync_on_close",
e8b0e958 3127 .lname = "Fsync on close",
214e1eca
JA		 3128 .type = FIO_OPT_BOOL,
3129 .off1 = td_var_offset(fsync_on_close),
3130 .help = "fsync files on close",
3131 .def = "0",
e8b0e958
JA		 3132 .category = FIO_OPT_C_FILE,
3133 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3134 },
3135 {
3136 .name = "unlink",
e8b0e958 3137 .lname = "Unlink file",
214e1eca
JA		 3138 .type = FIO_OPT_BOOL,
3139 .off1 = td_var_offset(unlink),
3140 .help = "Unlink created files after job has completed",
3141 .def = "0",
e8b0e958
JA		 3142 .category = FIO_OPT_C_FILE,
3143 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3144 },
3145 {
3146 .name = "exitall",
e8b0e958 3147 .lname = "Exit-all on terminate",
214e1eca
JA		 3148 .type = FIO_OPT_STR_SET,
3149 .cb = str_exitall_cb,
3150 .help = "Terminate all jobs when one exits",
e8b0e958 3151 .category = FIO_OPT_C_GENERAL,
a1f6afec 3152 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3153 },
3154 {
3155 .name = "stonewall",
e8b0e958 3156 .lname = "Wait for previous",
d392365e 3157 .alias = "wait_for_previous",
214e1eca
JA		 3158 .type = FIO_OPT_STR_SET,
3159 .off1 = td_var_offset(stonewall),
3160 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3161 .category = FIO_OPT_C_GENERAL,
a1f6afec 3162 .group = FIO_OPT_G_PROCESS,
214e1eca 3163 },
b3d62a75
JA		 3164 {
3165 .name = "new_group",
e8b0e958 3166 .lname = "New group",
b3d62a75
JA		 3167 .type = FIO_OPT_STR_SET,
3168 .off1 = td_var_offset(new_group),
3169 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3170 .category = FIO_OPT_C_GENERAL,
a1f6afec 3171 .group = FIO_OPT_G_PROCESS,
b3d62a75 3172 },
214e1eca
JA		 3173 {
3174 .name = "thread",
e8b0e958 3175 .lname = "Thread",
214e1eca
JA		 3176 .type = FIO_OPT_STR_SET,
3177 .off1 = td_var_offset(use_thread),
20eb06bd 3178 .help = "Use threads instead of processes",
c8931876
JA		 3179#ifdef CONFIG_NO_SHM
3180 .def = "1",
3181 .no_warn_def = 1,
3182#endif
e8b0e958 3183 .category = FIO_OPT_C_GENERAL,
a1f6afec 3184 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3185 },
3186 {
3187 .name = "write_bw_log",
e8b0e958 3188 .lname = "Write bandwidth log",
203160d5
JA		 3189 .type = FIO_OPT_STR_STORE,
3190 .off1 = td_var_offset(bw_log_file),
214e1eca 3191 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3192 .category = FIO_OPT_C_LOG,
3193 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3194 },
3195 {
3196 .name = "write_lat_log",
e8b0e958 3197 .lname = "Write latency log",
203160d5
JA		 3198 .type = FIO_OPT_STR_STORE,
3199 .off1 = td_var_offset(lat_log_file),
214e1eca 3200 .help = "Write log of latency during run",
e8b0e958
JA		 3201 .category = FIO_OPT_C_LOG,
3202 .group = FIO_OPT_G_INVALID,
214e1eca 3203 },
c8eeb9df
JA		 3204 {
3205 .name = "write_iops_log",
e8b0e958 3206 .lname = "Write IOPS log",
577c83bd 3207 .type = FIO_OPT_STR_STORE,
203160d5 3208 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3209 .help = "Write log of IOPS during run",
e8b0e958
JA		 3210 .category = FIO_OPT_C_LOG,
3211 .group = FIO_OPT_G_INVALID,
c8eeb9df 3212 },
b8bc8cba
JA		 3213 {
3214 .name = "log_avg_msec",
e8b0e958 3215 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3216 .type = FIO_OPT_INT,
3217 .off1 = td_var_offset(log_avg_msec),
3218 .help = "Average bw/iops/lat logs over this period of time",
3219 .def = "0",
e8b0e958
JA		 3220 .category = FIO_OPT_C_LOG,
3221 .group = FIO_OPT_G_INVALID,
b8bc8cba 3222 },
ae588852
JA		 3223 {
3224 .name = "log_offset",
3225 .lname = "Log offset of IO",
3226 .type = FIO_OPT_BOOL,
3227 .off1 = td_var_offset(log_offset),
3228 .help = "Include offset of IO for each log entry",
3229 .def = "0",
3230 .category = FIO_OPT_C_LOG,
3231 .group = FIO_OPT_G_INVALID,
3232 },
aee2ab67
JA		 3233#ifdef CONFIG_ZLIB
3234 {
3235 .name = "log_compression",
3236 .lname = "Log compression",
3237 .type = FIO_OPT_INT,
3238 .off1 = td_var_offset(log_gz),
3239 .help = "Log in compressed chunks of this size",
3240 .minval = 32 * 1024 * 1024ULL,
3241 .maxval = 512 * 1024 * 1024ULL,
3242 .category = FIO_OPT_C_LOG,
3243 .group = FIO_OPT_G_INVALID,
3244 },
b26317c9
JA		 3245 {
3246 .name = "log_store_compressed",
3247 .lname = "Log store compressed",
3248 .type = FIO_OPT_BOOL,
3249 .off1 = td_var_offset(log_gz_store),
3250 .help = "Store logs in a compressed format",
3251 .category = FIO_OPT_C_LOG,
3252 .group = FIO_OPT_G_INVALID,
3253 },
aee2ab67 3254#endif
66347cfa
DE		 3255 {
3256 .name = "block_error_percentiles",
3257 .lname = "Block error percentiles",
3258 .type = FIO_OPT_BOOL,
3259 .off1 = td_var_offset(block_error_hist),
3260 .help = "Record trim block errors and make a histogram",
3261 .def = "0",
3262 .category = FIO_OPT_C_LOG,
3263 .group = FIO_OPT_G_INVALID,
3264 },
c504ee55
JA		 3265 {
3266 .name = "bwavgtime",
3267 .lname = "Bandwidth average time",
3268 .type = FIO_OPT_INT,
3269 .off1 = td_var_offset(bw_avg_time),
3270 .help = "Time window over which to calculate bandwidth"
3271 " (msec)",
3272 .def = "500",
3273 .parent = "write_bw_log",
3274 .hide = 1,
3275 .interval = 100,
3276 .category = FIO_OPT_C_LOG,
3277 .group = FIO_OPT_G_INVALID,
3278 },
3279 {
3280 .name = "iopsavgtime",
3281 .lname = "IOPS average time",
3282 .type = FIO_OPT_INT,
3283 .off1 = td_var_offset(iops_avg_time),
3284 .help = "Time window over which to calculate IOPS (msec)",
3285 .def = "500",
3286 .parent = "write_iops_log",
3287 .hide = 1,
3288 .interval = 100,
3289 .category = FIO_OPT_C_LOG,
3290 .group = FIO_OPT_G_INVALID,
3291 },
214e1eca
JA		 3292 {
3293 .name = "group_reporting",
e8b0e958 3294 .lname = "Group reporting",
d2507043 3295 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3296 .off1 = td_var_offset(group_reporting),
3297 .help = "Do reporting on a per-group basis",
10860056 3298 .category = FIO_OPT_C_STAT,
e8b0e958 3299 .group = FIO_OPT_G_INVALID,
214e1eca 3300 },
e9459e5a
JA		 3301 {
3302 .name = "zero_buffers",
e8b0e958 3303 .lname = "Zero I/O buffers",
e9459e5a
JA		 3304 .type = FIO_OPT_STR_SET,
3305 .off1 = td_var_offset(zero_buffers),
3306 .help = "Init IO buffers to all zeroes",
e8b0e958 3307 .category = FIO_OPT_C_IO,
3ceb458f 3308 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3309 },
5973cafb
JA		 3310 {
3311 .name = "refill_buffers",
e8b0e958 3312 .lname = "Refill I/O buffers",
5973cafb
JA		 3313 .type = FIO_OPT_STR_SET,
3314 .off1 = td_var_offset(refill_buffers),
3315 .help = "Refill IO buffers on every IO submit",
e8b0e958 3316 .category = FIO_OPT_C_IO,
3ceb458f 3317 .group = FIO_OPT_G_IO_BUF,
5973cafb 3318 },
fd68418e
JA		 3319 {
3320 .name = "scramble_buffers",
e8b0e958 3321 .lname = "Scramble I/O buffers",
fd68418e
JA		 3322 .type = FIO_OPT_BOOL,
3323 .off1 = td_var_offset(scramble_buffers),
3324 .help = "Slightly scramble buffers on every IO submit",
3325 .def = "1",
e8b0e958 3326 .category = FIO_OPT_C_IO,
3ceb458f 3327 .group = FIO_OPT_G_IO_BUF,
fd68418e 3328 },
ce35b1ec
JA		 3329 {
3330 .name = "buffer_pattern",
3331 .lname = "Buffer pattern",
3332 .type = FIO_OPT_STR,
3333 .cb = str_buffer_pattern_cb,
a8523a6a 3334 .off1 = td_var_offset(buffer_pattern),
ce35b1ec
JA		 3335 .help = "Fill pattern for IO buffers",
3336 .category = FIO_OPT_C_IO,
3337 .group = FIO_OPT_G_IO_BUF,
3338 },
9c42684e
JA		 3339 {
3340 .name = "buffer_compress_percentage",
e8b0e958 3341 .lname = "Buffer compression percentage",
9c42684e 3342 .type = FIO_OPT_INT,
bedc9dc2 3343 .cb = str_buffer_compress_cb,
a8523a6a 3344 .off1 = td_var_offset(compress_percentage),
9c42684e 3345 .maxval = 100,
e7f5de90 3346 .minval = 0,
9c42684e 3347 .help = "How compressible the buffer is (approximately)",
20eb06bd 3348 .interval = 5,
e8b0e958 3349 .category = FIO_OPT_C_IO,
3ceb458f 3350 .group = FIO_OPT_G_IO_BUF,
9c42684e 3351 },
f97a43a1
JA		 3352 {
3353 .name = "buffer_compress_chunk",
e8b0e958 3354 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3355 .type = FIO_OPT_INT,
3356 .off1 = td_var_offset(compress_chunk),
207b18e4 3357 .parent = "buffer_compress_percentage",
d71c154c 3358 .hide = 1,
f97a43a1 3359 .help = "Size of compressible region in buffer",
20eb06bd 3360 .interval = 256,
e8b0e958 3361 .category = FIO_OPT_C_IO,
3ceb458f 3362 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3363 },
5c94b008
JA		 3364 {
3365 .name = "dedupe_percentage",
3366 .lname = "Dedupe percentage",
3367 .type = FIO_OPT_INT,
3368 .cb = str_dedupe_cb,
a8523a6a 3369 .off1 = td_var_offset(dedupe_percentage),
5c94b008
JA		 3370 .maxval = 100,
3371 .minval = 0,
3372 .help = "Percentage of buffers that are dedupable",
3373 .interval = 1,
3374 .category = FIO_OPT_C_IO,
3375 .group = FIO_OPT_G_IO_BUF,
3376 },
83349190
YH		 3377 {
3378 .name = "clat_percentiles",
e8b0e958 3379 .lname = "Completion latency percentiles",
83349190
YH		 3380 .type = FIO_OPT_BOOL,
3381 .off1 = td_var_offset(clat_percentiles),
3382 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3383 .def = "1",
e8b0e958
JA		 3384 .category = FIO_OPT_C_STAT,
3385 .group = FIO_OPT_G_INVALID,
83349190
YH		 3386 },
3387 {
3388 .name = "percentile_list",
66347cfa 3389 .lname = "Percentile list",
83349190
YH		 3390 .type = FIO_OPT_FLOAT_LIST,
3391 .off1 = td_var_offset(percentile_list),
435d195a 3392 .off2 = td_var_offset(percentile_precision),
66347cfa
DE		 3393 .help = "Specify a custom list of percentiles to report for "
3394 "completion latency and block errors",
fd112d34 3395 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3396 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3397 .minfp = 0.0,
3398 .maxfp = 100.0,
e8b0e958
JA		 3399 .category = FIO_OPT_C_STAT,
3400 .group = FIO_OPT_G_INVALID,
83349190
YH		 3401 },
3402
0a839f30
JA		 3403#ifdef FIO_HAVE_DISK_UTIL
3404 {
3405 .name = "disk_util",
e8b0e958 3406 .lname = "Disk utilization",
0a839f30
JA		 3407 .type = FIO_OPT_BOOL,
3408 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3409 .help = "Log disk utilization statistics",
0a839f30 3410 .def = "1",
e8b0e958
JA		 3411 .category = FIO_OPT_C_STAT,
3412 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3413 },
3414#endif
993bf48b
JA		 3415 {
3416 .name = "gtod_reduce",
e8b0e958 3417 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3418 .type = FIO_OPT_BOOL,
3419 .help = "Greatly reduce number of gettimeofday() calls",
3420 .cb = str_gtod_reduce_cb,
3421 .def = "0",
a4ed77fe 3422 .hide_on_set = 1,
e8b0e958
JA		 3423 .category = FIO_OPT_C_STAT,
3424 .group = FIO_OPT_G_INVALID,
993bf48b 3425 },
02af0988
JA		 3426 {
3427 .name = "disable_lat",
e8b0e958 3428 .lname = "Disable all latency stats",
02af0988
JA		 3429 .type = FIO_OPT_BOOL,
3430 .off1 = td_var_offset(disable_lat),
3431 .help = "Disable latency numbers",
3432 .parent = "gtod_reduce",
d71c154c 3433 .hide = 1,
02af0988 3434 .def = "0",
e8b0e958
JA		 3435 .category = FIO_OPT_C_STAT,
3436 .group = FIO_OPT_G_INVALID,
02af0988 3437 },
9520ebb9
JA		 3438 {
3439 .name = "disable_clat",
e8b0e958 3440 .lname = "Disable completion latency stats",
9520ebb9
JA		 3441 .type = FIO_OPT_BOOL,
3442 .off1 = td_var_offset(disable_clat),
3443 .help = "Disable completion latency numbers",
993bf48b 3444 .parent = "gtod_reduce",
d71c154c 3445 .hide = 1,
9520ebb9 3446 .def = "0",
e8b0e958
JA		 3447 .category = FIO_OPT_C_STAT,
3448 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3449 },
3450 {
3451 .name = "disable_slat",
e8b0e958 3452 .lname = "Disable submission latency stats",
9520ebb9
JA		 3453 .type = FIO_OPT_BOOL,
3454 .off1 = td_var_offset(disable_slat),
03e20d68 3455 .help = "Disable submission latency numbers",
993bf48b 3456 .parent = "gtod_reduce",
d71c154c 3457 .hide = 1,
9520ebb9 3458 .def = "0",
e8b0e958
JA		 3459 .category = FIO_OPT_C_STAT,
3460 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3461 },
3462 {
3463 .name = "disable_bw_measurement",
e8b0e958 3464 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3465 .type = FIO_OPT_BOOL,
3466 .off1 = td_var_offset(disable_bw),
3467 .help = "Disable bandwidth logging",
993bf48b 3468 .parent = "gtod_reduce",
d71c154c 3469 .hide = 1,
9520ebb9 3470 .def = "0",
e8b0e958
JA		 3471 .category = FIO_OPT_C_STAT,
3472 .group = FIO_OPT_G_INVALID,
9520ebb9 3473 },
be4ecfdf
JA		 3474 {
3475 .name = "gtod_cpu",
e8b0e958 3476 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 3477 .type = FIO_OPT_INT,
79c896a1 3478 .off1 = td_var_offset(gtod_cpu),
03e20d68 3479 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3480 .verify = gtod_cpu_verify,
e8b0e958 3481 .category = FIO_OPT_C_GENERAL,
10860056 3482 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3483 },
771e58be
JA		 3484 {
3485 .name = "unified_rw_reporting",
3486 .type = FIO_OPT_BOOL,
3487 .off1 = td_var_offset(unified_rw_rep),
3488 .help = "Unify reporting across data direction",
3489 .def = "0",
90b7a96d
JA		 3490 .category = FIO_OPT_C_GENERAL,
3491 .group = FIO_OPT_G_INVALID,
771e58be 3492 },
f2bba182
RR		 3493 {
3494 .name = "continue_on_error",
e8b0e958 3495 .lname = "Continue on error",
06842027 3496 .type = FIO_OPT_STR,
f2bba182 3497 .off1 = td_var_offset(continue_on_error),
03e20d68 3498 .help = "Continue on non-fatal errors during IO",
06842027 3499 .def = "none",
e8b0e958 3500 .category = FIO_OPT_C_GENERAL,
bc3f552f 3501 .group = FIO_OPT_G_ERR,
06842027
SL		 3502 .posval = {
3503 { .ival = "none",
3504 .oval = ERROR_TYPE_NONE,
3505 .help = "Exit when an error is encountered",
3506 },
3507 { .ival = "read",
3508 .oval = ERROR_TYPE_READ,
3509 .help = "Continue on read errors only",
3510 },
3511 { .ival = "write",
3512 .oval = ERROR_TYPE_WRITE,
3513 .help = "Continue on write errors only",
3514 },
3515 { .ival = "io",
3516 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3517 .help = "Continue on any IO errors",
3518 },
3519 { .ival = "verify",
3520 .oval = ERROR_TYPE_VERIFY,
3521 .help = "Continue on verify errors only",
3522 },
3523 { .ival = "all",
3524 .oval = ERROR_TYPE_ANY,
3525