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Improve zone support documentation
[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>
5921e80c 7#include <sys/stat.h>
e13c3b50 8#include <netinet/in.h>
214e1eca
JA		 9
10#include "fio.h"
4f5af7b2 11#include "verify.h"
214e1eca 12#include "parse.h"
61b9861d 13#include "lib/pattern.h"
9f988e2e 14#include "options.h"
d220c761 15#include "optgroup.h"
214e1eca 16
e13c3b50 17char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 18
a609f12a
JA		 19#define cb_data_to_td(data) container_of(data, struct thread_data, o)
20
fc8d6d05 21static struct pattern_fmt_desc fmt_desc[] = {
4205998f
JA		 22 {
23 .fmt = "%o",
24 .len = FIELD_SIZE(struct io_u *, offset),
25 .paste = paste_blockoff
26 }
27};
28
214e1eca
JA		 29/*
30 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
31 */
32static char *get_opt_postfix(const char *str)
33{
34 char *p = strstr(str, ":");
35
36 if (!p)
37 return NULL;
38
39 p++;
40 strip_blank_front(&p);
41 strip_blank_end(p);
42 return strdup(p);
43}
44
564ca972
JA		 45static int bs_cmp(const void *p1, const void *p2)
46{
47 const struct bssplit *bsp1 = p1;
48 const struct bssplit *bsp2 = p2;
49
a7cd478d 50 return (int) bsp1->perc - (int) bsp2->perc;
564ca972
JA		 51}
52
d2835319
JA		 53struct split {
54 unsigned int nr;
5fff9543 55 unsigned long long val1[ZONESPLIT_MAX];
9d8fc5e4 56 unsigned long long val2[ZONESPLIT_MAX];
d2835319
JA		 57};
58
59static int split_parse_ddir(struct thread_options *o, struct split *split,
517c9c72 60 char *str, bool absolute, unsigned int max_splits)
564ca972 61{
59466396
JA		 62 unsigned long long perc;
63 unsigned int i;
564ca972 64 long long val;
720e84ad 65 char *fname;
564ca972 66
d2835319 67 split->nr = 0;
564ca972
JA		 68
69 i = 0;
564ca972
JA		 70 while ((fname = strsep(&str, ":")) != NULL) {
71 char *perc_str;
72
73 if (!strlen(fname))
74 break;
75
564ca972
JA		 76 perc_str = strstr(fname, "/");
77 if (perc_str) {
78 *perc_str = '\0';
79 perc_str++;
59466396
JA		 80 if (absolute) {
81 if (str_to_decimal(perc_str, &val, 1, o, 0, 0)) {
82 log_err("fio: split conversion failed\n");
83 return 1;
84 }
85 perc = val;
86 } else {
87 perc = atoi(perc_str);
88 if (perc > 100)
89 perc = 100;
90 else if (!perc)
91 perc = -1U;
92 }
93 } else {
94 if (absolute)
95 perc = 0;
96 else
d711cce5 97 perc = -1U;
59466396 98 }
564ca972 99
88038bc7 100 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
59466396 101 log_err("fio: split conversion failed\n");
564ca972
JA		 102 return 1;
103 }
104
d2835319
JA		 105 split->val1[i] = val;
106 split->val2[i] = perc;
564ca972 107 i++;
c32e1a09
JA		 108 if (i == max_splits) {
109 log_err("fio: hit max of %d split entries\n", i);
d2835319 110 break;
c32e1a09 111 }
564ca972
JA		 112 }
113
d2835319
JA		 114 split->nr = i;
115 return 0;
116}
117
59466396
JA		 118static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str,
119 bool data)
d2835319
JA		 120{
121 unsigned int i, perc, perc_missing;
5fff9543 122 unsigned long long max_bs, min_bs;
d2835319
JA		 123 struct split split;
124
125 memset(&split, 0, sizeof(split));
126
517c9c72 127 if (split_parse_ddir(o, &split, str, data, BSSPLIT_MAX))
d2835319
JA		 128 return 1;
129 if (!split.nr)
130 return 0;
131
132 max_bs = 0;
133 min_bs = -1;
134 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
135 o->bssplit_nr[ddir] = split.nr;
136 for (i = 0; i < split.nr; i++) {
137 if (split.val1[i] > max_bs)
138 max_bs = split.val1[i];
139 if (split.val1[i] < min_bs)
140 min_bs = split.val1[i];
141
142 o->bssplit[ddir][i].bs = split.val1[i];
143 o->bssplit[ddir][i].perc =split.val2[i];
144 }
564ca972
JA		 145
146 /*
147 * Now check if the percentages add up, and how much is missing
148 */
149 perc = perc_missing = 0;
83ea422a 150 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 151 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 152
d711cce5 153 if (bsp->perc == -1U)
564ca972
JA		 154 perc_missing++;
155 else
156 perc += bsp->perc;
157 }
158
40bafa33 159 if (perc > 100 && perc_missing > 1) {
564ca972 160 log_err("fio: bssplit percentages add to more than 100%%\n");
d2835319
JA		 161 free(o->bssplit[ddir]);
162 o->bssplit[ddir] = NULL;
564ca972
JA		 163 return 1;
164 }
d711cce5 165
564ca972
JA		 166 /*
167 * If values didn't have a percentage set, divide the remains between
168 * them.
169 */
170 if (perc_missing) {
d711cce5 171 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 172 perc = 100;
83ea422a 173 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 174 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 175
d711cce5 176 if (bsp->perc == -1U)
564ca972
JA		 177 bsp->perc = (100 - perc) / perc_missing;
178 }
179 }
180
83ea422a
JA		 181 o->min_bs[ddir] = min_bs;
182 o->max_bs[ddir] = max_bs;
564ca972
JA		 183
184 /*
185 * now sort based on percentages, for ease of lookup
186 */
d2835319 187 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
720e84ad 188 return 0;
720e84ad
JA		 189}
190
59466396 191typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *, bool);
764593c0 192
59466396
JA		 193static int str_split_parse(struct thread_data *td, char *str,
194 split_parse_fn *fn, bool data)
720e84ad 195{
764593c0 196 char *odir, *ddir;
720e84ad
JA		 197 int ret = 0;
198
720e84ad
JA		 199 odir = strchr(str, ',');
200 if (odir) {
6eaf09d6
SL		 201 ddir = strchr(odir + 1, ',');
202 if (ddir) {
59466396 203 ret = fn(&td->o, DDIR_TRIM, ddir + 1, data);
6eaf09d6
SL		 204 if (!ret)
205 *ddir = '\0';
206 } else {
207 char *op;
208
209 op = strdup(odir + 1);
59466396 210 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL		 211
212 free(op);
213 }
d79db122 214 if (!ret)
59466396 215 ret = fn(&td->o, DDIR_WRITE, odir + 1, data);
720e84ad
JA		 216 if (!ret) {
217 *odir = '\0';
59466396 218 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad
JA		 219 }
220 } else {
221 char *op;
222
223 op = strdup(str);
59466396 224 ret = fn(&td->o, DDIR_WRITE, op, data);
6eaf09d6 225 free(op);
720e84ad 226
6eaf09d6
SL		 227 if (!ret) {
228 op = strdup(str);
59466396 229 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL		 230 free(op);
231 }
f0c9c217 232 if (!ret)
59466396 233 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad 234 }
564ca972 235
764593c0
JA		 236 return ret;
237}
238
239static int str_bssplit_cb(void *data, const char *input)
240{
a609f12a 241 struct thread_data *td = cb_data_to_td(data);
764593c0
JA		 242 char *str, *p;
243 int ret = 0;
244
764593c0
JA		 245 p = str = strdup(input);
246
247 strip_blank_front(&str);
248 strip_blank_end(str);
249
59466396 250 ret = str_split_parse(td, str, bssplit_ddir, false);
764593c0 251
55baca06
JA		 252 if (parse_dryrun()) {
253 int i;
254
255 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
256 free(td->o.bssplit[i]);
257 td->o.bssplit[i] = NULL;
258 td->o.bssplit_nr[i] = 0;
259 }
260 }
261
564ca972 262 free(p);
720e84ad 263 return ret;
564ca972
JA		 264}
265
8b28bd41
DM		 266static int str2error(char *str)
267{
a94eb99a 268 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 269 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
270 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
271 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
272 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
273 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
274 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 275 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
7fe481b4 276 int i = 0, num = sizeof(err) / sizeof(char *);
8b28bd41 277
a94eb99a 278 while (i < num) {
8b28bd41
DM		 279 if (!strcmp(err[i], str))
280 return i + 1;
281 i++;
282 }
283 return 0;
284}
285
3ed673c6
TK		 286static int ignore_error_type(struct thread_data *td, enum error_type_bit etype,
287 char *str)
8b28bd41
DM		 288{
289 unsigned int i;
290 int *error;
291 char *fname;
292
293 if (etype >= ERROR_TYPE_CNT) {
294 log_err("Illegal error type\n");
295 return 1;
296 }
297
298 td->o.ignore_error_nr[etype] = 4;
685ffd57 299 error = calloc(4, sizeof(int));
8b28bd41
DM		 300
301 i = 0;
302 while ((fname = strsep(&str, ":")) != NULL) {
303
304 if (!strlen(fname))
305 break;
306
307 /*
308 * grow struct buffer, if needed
309 */
310 if (i == td->o.ignore_error_nr[etype]) {
311 td->o.ignore_error_nr[etype] <<= 1;
312 error = realloc(error, td->o.ignore_error_nr[etype]
313 * sizeof(int));
314 }
315 if (fname[0] == 'E') {
316 error[i] = str2error(fname);
317 } else {
318 error[i] = atoi(fname);
319 if (error[i] < 0)
1616e025 320 error[i] = -error[i];
8b28bd41
DM		 321 }
322 if (!error[i]) {
d503e281 323 log_err("Unknown error %s, please use number value\n",
8b28bd41 324 fname);
d503e281 325 td->o.ignore_error_nr[etype] = 0;
0fddbf7a 326 free(error);
8b28bd41
DM		 327 return 1;
328 }
329 i++;
330 }
331 if (i) {
332 td->o.continue_on_error |= 1 << etype;
333 td->o.ignore_error_nr[etype] = i;
334 td->o.ignore_error[etype] = error;
d503e281
TK		 335 } else {
336 td->o.ignore_error_nr[etype] = 0;
c7b086be 337 free(error);
d503e281 338 }
c7b086be 339
8b28bd41
DM		 340 return 0;
341
342}
343
d7235efb
JA		 344static int str_replay_skip_cb(void *data, const char *input)
345{
346 struct thread_data *td = cb_data_to_td(data);
347 char *str, *p, *n;
348 int ret = 0;
349
350 if (parse_dryrun())
351 return 0;
352
353 p = str = strdup(input);
354
355 strip_blank_front(&str);
356 strip_blank_end(str);
357
358 while (p) {
359 n = strchr(p, ',');
360 if (n)
361 *n++ = '\0';
362 if (!strcmp(p, "read"))
363 td->o.replay_skip |= 1u << DDIR_READ;
364 else if (!strcmp(p, "write"))
365 td->o.replay_skip |= 1u << DDIR_WRITE;
366 else if (!strcmp(p, "trim"))
367 td->o.replay_skip |= 1u << DDIR_TRIM;
368 else if (!strcmp(p, "sync"))
369 td->o.replay_skip |= 1u << DDIR_SYNC;
370 else {
371 log_err("Unknown skip type: %s\n", p);
372 ret = 1;
373 break;
374 }
375 p = n;
376 }
377 free(str);
378 return ret;
379}
380
8b28bd41
DM		 381static int str_ignore_error_cb(void *data, const char *input)
382{
a609f12a 383 struct thread_data *td = cb_data_to_td(data);
8b28bd41 384 char *str, *p, *n;
3ed673c6
TK		 385 int ret = 1;
386 enum error_type_bit type = 0;
52c0cea3
JA		 387
388 if (parse_dryrun())
389 return 0;
390
8b28bd41
DM		 391 p = str = strdup(input);
392
393 strip_blank_front(&str);
394 strip_blank_end(str);
395
396 while (p) {
397 n = strchr(p, ',');
398 if (n)
399 *n++ = '\0';
400 ret = ignore_error_type(td, type, p);
401 if (ret)
402 break;
403 p = n;
404 type++;
405 }
406 free(str);
407 return ret;
408}
409
211097b2
JA		 410static int str_rw_cb(void *data, const char *str)
411{
a609f12a 412 struct thread_data *td = cb_data_to_td(data);
83ea422a 413 struct thread_options *o = &td->o;
27ca949f 414 char *nr;
211097b2 415
52c0cea3
JA		 416 if (parse_dryrun())
417 return 0;
418
83ea422a
JA		 419 o->ddir_seq_nr = 1;
420 o->ddir_seq_add = 0;
059b0802 421
27ca949f 422 nr = get_opt_postfix(str);
059b0802
JA		 423 if (!nr)
424 return 0;
425
426 if (td_random(td))
83ea422a 427 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 428 else {
429 long long val;
430
88038bc7 431 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 432 log_err("fio: rw postfix parsing failed\n");
433 free(nr);
434 return 1;
435 }
436
83ea422a 437 o->ddir_seq_add = val;
182ec6ee 438 }
211097b2 439
059b0802 440 free(nr);
211097b2
JA		 441 return 0;
442}
443
214e1eca
JA		 444static int str_mem_cb(void *data, const char *mem)
445{
a609f12a 446 struct thread_data *td = cb_data_to_td(data);
214e1eca 447
217b0f1d
LG		 448 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
449 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 450 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 451
452 return 0;
453}
454
c223da83
JA		 455static int fio_clock_source_cb(void *data, const char *str)
456{
a609f12a 457 struct thread_data *td = cb_data_to_td(data);
c223da83
JA		 458
459 fio_clock_source = td->o.clocksource;
fa80feae 460 fio_clock_source_set = 1;
01423eae 461 fio_clock_init();
c223da83
JA		 462 return 0;
463}
464
85bc833b 465static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4 466{
a609f12a 467 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 468
469 td->o.rwmix[DDIR_READ] = *val;
470 td->o.rwmix[DDIR_WRITE] = 100 - *val;
471 return 0;
472}
473
85bc833b 474static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4 475{
a609f12a 476 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 477
478 td->o.rwmix[DDIR_WRITE] = *val;
479 td->o.rwmix[DDIR_READ] = 100 - *val;
480 return 0;
481}
482
214e1eca
JA		 483static int str_exitall_cb(void)
484{
485 exitall_on_terminate = 1;
486 return 0;
487}
488
214e1eca 489#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 490int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 491{
50b5860b 492 unsigned int i, index, cpus_in_mask;
c2acfbac 493 const long max_cpu = cpus_online();
c2acfbac 494
50b5860b
JA		 495 cpus_in_mask = fio_cpu_count(mask);
496 cpu_index = cpu_index % cpus_in_mask;
497
498 index = 0;
c2acfbac 499 for (i = 0; i < max_cpu; i++) {
50b5860b 500 if (!fio_cpu_isset(mask, i))
c2acfbac 501 continue;
50b5860b
JA		 502
503 if (cpu_index != index)
504 fio_cpu_clear(mask, i);
505
506 index++;
c2acfbac
JA		 507 }
508
509 return fio_cpu_count(mask);
510}
511
85bc833b 512static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0 513{
a609f12a 514 struct thread_data *td = cb_data_to_td(data);
214e1eca 515 unsigned int i;
b03daafb 516 long max_cpu;
d2ce18b5
JA		 517 int ret;
518
52c0cea3
JA		 519 if (parse_dryrun())
520 return 0;
521
d2ce18b5
JA		 522 ret = fio_cpuset_init(&td->o.cpumask);
523 if (ret < 0) {
524 log_err("fio: cpuset_init failed\n");
525 td_verror(td, ret, "fio_cpuset_init");
526 return 1;
527 }
214e1eca 528
c00a2289 529 max_cpu = cpus_online();
214e1eca 530
62a7273d
JA		 531 for (i = 0; i < sizeof(int) * 8; i++) {
532 if ((1 << i) & *val) {
b8411399 533 if (i >= max_cpu) {
b03daafb 534 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 535 max_cpu - 1);
b03daafb
JA		 536 return 1;
537 }
62a7273d 538 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 539 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 540 }
541 }
d2e268b0 542
d2e268b0 543 return 0;
214e1eca
JA		 544}
545
e8462bd8
JA		 546static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
547 const char *input)
214e1eca 548{
d2e268b0 549 char *cpu, *str, *p;
b03daafb 550 long max_cpu;
19608d6c 551 int ret = 0;
d2e268b0 552
e8462bd8 553 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 554 if (ret < 0) {
555 log_err("fio: cpuset_init failed\n");
556 td_verror(td, ret, "fio_cpuset_init");
557 return 1;
558 }
d2e268b0
JA		 559
560 p = str = strdup(input);
214e1eca 561
d2e268b0
JA		 562 strip_blank_front(&str);
563 strip_blank_end(str);
564
c00a2289 565 max_cpu = cpus_online();
b03daafb 566
d2e268b0 567 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 568 char *str2, *cpu2;
569 int icpu, icpu2;
570
d2e268b0
JA		 571 if (!strlen(cpu))
572 break;
62a7273d
JA		 573
574 str2 = cpu;
575 icpu2 = -1;
576 while ((cpu2 = strsep(&str2, "-")) != NULL) {
577 if (!strlen(cpu2))
578 break;
579
580 icpu2 = atoi(cpu2);
581 }
582
583 icpu = atoi(cpu);
584 if (icpu2 == -1)
585 icpu2 = icpu;
586 while (icpu <= icpu2) {
6d459ee7 587 if (icpu >= FIO_MAX_CPUS) {
19608d6c 588 log_err("fio: your OS only supports up to"
6d459ee7 589 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 590 ret = 1;
591 break;
592 }
9e986889 593 if (icpu >= max_cpu) {
b03daafb 594 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 595 icpu, max_cpu - 1);
b03daafb
JA		 596 ret = 1;
597 break;
598 }
0b9d69ec 599
62a7273d 600 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 601 fio_cpu_set(mask, icpu);
62a7273d
JA		 602 icpu++;
603 }
19608d6c
JA		 604 if (ret)
605 break;
d2e268b0
JA		 606 }
607
608 free(p);
19608d6c 609 return ret;
214e1eca 610}
e8462bd8
JA		 611
612static int str_cpus_allowed_cb(void *data, const char *input)
613{
a609f12a 614 struct thread_data *td = cb_data_to_td(data);
e8462bd8 615
52c0cea3
JA		 616 if (parse_dryrun())
617 return 0;
618
b2a9e649 619 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 620}
621
622static int str_verify_cpus_allowed_cb(void *data, const char *input)
623{
a609f12a 624 struct thread_data *td = cb_data_to_td(data);
e8462bd8 625
466155e2
JA		 626 if (parse_dryrun())
627 return 0;
628
b2a9e649 629 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 630}
c08f9fe2 631
105157ad 632#ifdef CONFIG_ZLIB
c08f9fe2
JA		 633static int str_log_cpus_allowed_cb(void *data, const char *input)
634{
a609f12a 635 struct thread_data *td = cb_data_to_td(data);
c08f9fe2
JA		 636
637 if (parse_dryrun())
638 return 0;
639
640 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
641}
105157ad 642#endif /* CONFIG_ZLIB */
c08f9fe2 643
105157ad 644#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 645
67bf9823 646#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 647static int str_numa_cpunodes_cb(void *data, char *input)
648{
a609f12a 649 struct thread_data *td = cb_data_to_td(data);
43522848 650 struct bitmask *verify_bitmask;
d0b937ed 651
52c0cea3
JA		 652 if (parse_dryrun())
653 return 0;
654
d0b937ed
YR		 655 /* numa_parse_nodestring() parses a character string list
656 * of nodes into a bit mask. The bit mask is allocated by
657 * numa_allocate_nodemask(), so it should be freed by
658 * numa_free_nodemask().
659 */
43522848
DG		 660 verify_bitmask = numa_parse_nodestring(input);
661 if (verify_bitmask == NULL) {
d0b937ed
YR		 662 log_err("fio: numa_parse_nodestring failed\n");
663 td_verror(td, 1, "str_numa_cpunodes_cb");
664 return 1;
665 }
43522848 666 numa_free_nodemask(verify_bitmask);
d0b937ed 667
43522848 668 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 669 return 0;
670}
671
672static int str_numa_mpol_cb(void *data, char *input)
673{
a609f12a 674 struct thread_data *td = cb_data_to_td(data);
d0b937ed 675 const char * const policy_types[] =
05d6f44b 676 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 677 int i;
52c0cea3 678 char *nodelist;
43522848 679 struct bitmask *verify_bitmask;
52c0cea3
JA		 680
681 if (parse_dryrun())
682 return 0;
d0b937ed 683
52c0cea3 684 nodelist = strchr(input, ':');
d0b937ed
YR		 685 if (nodelist) {
686 /* NUL-terminate mode */
687 *nodelist++ = '\0';
688 }
689
690 for (i = 0; i <= MPOL_LOCAL; i++) {
691 if (!strcmp(input, policy_types[i])) {
692 td->o.numa_mem_mode = i;
693 break;
694 }
695 }
696 if (i > MPOL_LOCAL) {
697 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
698 goto out;
699 }
700
701 switch (td->o.numa_mem_mode) {
702 case MPOL_PREFERRED:
703 /*
704 * Insist on a nodelist of one node only
705 */
706 if (nodelist) {
707 char *rest = nodelist;
708 while (isdigit(*rest))
709 rest++;
710 if (*rest) {
711 log_err("fio: one node only for \'prefer\'\n");
712 goto out;
713 }
714 } else {
715 log_err("fio: one node is needed for \'prefer\'\n");
716 goto out;
717 }
718 break;
719 case MPOL_INTERLEAVE:
720 /*
721 * Default to online nodes with memory if no nodelist
722 */
723 if (!nodelist)
724 nodelist = strdup("all");
725 break;
726 case MPOL_LOCAL:
727 case MPOL_DEFAULT:
728 /*
729 * Don't allow a nodelist
730 */
731 if (nodelist) {
732 log_err("fio: NO nodelist for \'local\'\n");
733 goto out;
734 }
735 break;
736 case MPOL_BIND:
737 /*
738 * Insist on a nodelist
739 */
740 if (!nodelist) {
741 log_err("fio: a nodelist is needed for \'bind\'\n");
742 goto out;
743 }
744 break;
745 }
746
747
748 /* numa_parse_nodestring() parses a character string list
749 * of nodes into a bit mask. The bit mask is allocated by
750 * numa_allocate_nodemask(), so it should be freed by
751 * numa_free_nodemask().
752 */
753 switch (td->o.numa_mem_mode) {
754 case MPOL_PREFERRED:
755 td->o.numa_mem_prefer_node = atoi(nodelist);
756 break;
757 case MPOL_INTERLEAVE:
758 case MPOL_BIND:
43522848
DG		 759 verify_bitmask = numa_parse_nodestring(nodelist);
760 if (verify_bitmask == NULL) {
d0b937ed
YR		 761 log_err("fio: numa_parse_nodestring failed\n");
762 td_verror(td, 1, "str_numa_memnodes_cb");
763 return 1;
764 }
43522848
DG		 765 td->o.numa_memnodes = strdup(nodelist);
766 numa_free_nodemask(verify_bitmask);
b74e419e 767
d0b937ed
YR		 768 break;
769 case MPOL_LOCAL:
770 case MPOL_DEFAULT:
771 default:
772 break;
773 }
774
d0b937ed 775 return 0;
d0b937ed
YR		 776out:
777 return 1;
778}
779#endif
780
214e1eca
JA		 781static int str_fst_cb(void *data, const char *str)
782{
a609f12a 783 struct thread_data *td = cb_data_to_td(data);
8c07860d
JA		 784 double val;
785 bool done = false;
786 char *nr;
214e1eca
JA		 787
788 td->file_service_nr = 1;
8c07860d
JA		 789
790 switch (td->o.file_service_type) {
791 case FIO_FSERVICE_RANDOM:
792 case FIO_FSERVICE_RR:
793 case FIO_FSERVICE_SEQ:
794 nr = get_opt_postfix(str);
795 if (nr) {
796 td->file_service_nr = atoi(nr);
797 free(nr);
798 }
799 done = true;
800 break;
801 case FIO_FSERVICE_ZIPF:
802 val = FIO_DEF_ZIPF;
803 break;
804 case FIO_FSERVICE_PARETO:
805 val = FIO_DEF_PARETO;
806 break;
807 case FIO_FSERVICE_GAUSS:
808 val = 0.0;
809 break;
810 default:
811 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
812 return 1;
813 }
814
815 if (done)
816 return 0;
817
818 nr = get_opt_postfix(str);
819 if (nr && !str_to_float(nr, &val, 0)) {
820 log_err("fio: file service type random postfix parsing failed\n");
182ec6ee 821 free(nr);
8c07860d
JA		 822 return 1;
823 }
824
825 free(nr);
826
827 switch (td->o.file_service_type) {
828 case FIO_FSERVICE_ZIPF:
829 if (val == 1.00) {
830 log_err("fio: zipf theta must be different than 1.0\n");
831 return 1;
832 }
833 if (parse_dryrun())
834 return 0;
835 td->zipf_theta = val;
836 break;
837 case FIO_FSERVICE_PARETO:
838 if (val <= 0.00 || val >= 1.00) {
839 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
840 return 1;
841 }
842 if (parse_dryrun())
843 return 0;
844 td->pareto_h = val;
845 break;
846 case FIO_FSERVICE_GAUSS:
847 if (val < 0.00 || val >= 100.00) {
99c94a6b 848 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
8c07860d
JA		 849 return 1;
850 }
851 if (parse_dryrun())
852 return 0;
853 td->gauss_dev = val;
854 break;
182ec6ee 855 }
214e1eca
JA		 856
857 return 0;
858}
859
67bf9823 860#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 861static int str_sfr_cb(void *data, const char *str)
862{
a609f12a 863 struct thread_data *td = cb_data_to_td(data);
44f29692
JA		 864 char *nr = get_opt_postfix(str);
865
866 td->sync_file_range_nr = 1;
867 if (nr) {
868 td->sync_file_range_nr = atoi(nr);
869 free(nr);
870 }
871
872 return 0;
873}
3ae06371 874#endif
44f29692 875
764593c0 876static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
59466396 877 char *str, bool absolute)
e0a04ac1 878{
e0a04ac1 879 unsigned int i, perc, perc_missing, sperc, sperc_missing;
d2835319 880 struct split split;
e0a04ac1 881
d2835319 882 memset(&split, 0, sizeof(split));
e0a04ac1 883
517c9c72 884 if (split_parse_ddir(o, &split, str, absolute, ZONESPLIT_MAX))
d2835319
JA		 885 return 1;
886 if (!split.nr)
887 return 0;
e0a04ac1 888
d2835319
JA		 889 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
890 o->zone_split_nr[ddir] = split.nr;
891 for (i = 0; i < split.nr; i++) {
892 o->zone_split[ddir][i].access_perc = split.val1[i];
59466396
JA		 893 if (absolute)
894 o->zone_split[ddir][i].size = split.val2[i];
895 else
896 o->zone_split[ddir][i].size_perc = split.val2[i];
e0a04ac1
JA		 897 }
898
e0a04ac1
JA		 899 /*
900 * Now check if the percentages add up, and how much is missing
901 */
902 perc = perc_missing = 0;
903 sperc = sperc_missing = 0;
904 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 905 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 906
907 if (zsp->access_perc == (uint8_t) -1U)
908 perc_missing++;
909 else
910 perc += zsp->access_perc;
911
59466396
JA		 912 if (!absolute) {
913 if (zsp->size_perc == (uint8_t) -1U)
914 sperc_missing++;
915 else
916 sperc += zsp->size_perc;
917 }
e0a04ac1
JA		 918 }
919
920 if (perc > 100 || sperc > 100) {
921 log_err("fio: zone_split percentages add to more than 100%%\n");
d2835319
JA		 922 free(o->zone_split[ddir]);
923 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 924 return 1;
925 }
926 if (perc < 100) {
927 log_err("fio: access percentage don't add up to 100 for zoned "
928 "random distribution (got=%u)\n", perc);
d2835319
JA		 929 free(o->zone_split[ddir]);
930 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 931 return 1;
932 }
933
934 /*
935 * If values didn't have a percentage set, divide the remains between
936 * them.
937 */
938 if (perc_missing) {
939 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
940 perc = 100;
941 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 942 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 943
944 if (zsp->access_perc == (uint8_t) -1U)
945 zsp->access_perc = (100 - perc) / perc_missing;
946 }
947 }
948 if (sperc_missing) {
949 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
950 sperc = 100;
951 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 952 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 953
954 if (zsp->size_perc == (uint8_t) -1U)
955 zsp->size_perc = (100 - sperc) / sperc_missing;
956 }
957 }
958
e0a04ac1
JA		 959 return 0;
960}
961
962static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
963{
964 unsigned int i, j, sprev, aprev;
59466396 965 uint64_t sprev_sz;
e0a04ac1
JA		 966
967 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
968
59466396 969 sprev_sz = sprev = aprev = 0;
e0a04ac1
JA		 970 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
971 struct zone_split *zsp = &td->o.zone_split[ddir][i];
972
973 for (j = aprev; j < aprev + zsp->access_perc; j++) {
974 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
975
976 zsi->size_perc = sprev + zsp->size_perc;
977 zsi->size_perc_prev = sprev;
59466396
JA		 978
979 zsi->size = sprev_sz + zsp->size;
980 zsi->size_prev = sprev_sz;
e0a04ac1
JA		 981 }
982
983 aprev += zsp->access_perc;
984 sprev += zsp->size_perc;
59466396 985 sprev_sz += zsp->size;
e0a04ac1
JA		 986 }
987}
988
989/*
990 * Generate state table for indexes, so we don't have to do it inline from
991 * the hot IO path
992 */
993static void td_zone_gen_index(struct thread_data *td)
994{
995 int i;
996
997 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
998 sizeof(struct zone_split_index *));
999
1000 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1001 __td_zone_gen_index(td, i);
1002}
1003
59466396
JA		 1004static int parse_zoned_distribution(struct thread_data *td, const char *input,
1005 bool absolute)
e0a04ac1 1006{
59466396 1007 const char *pre = absolute ? "zoned_abs:" : "zoned:";
764593c0 1008 char *str, *p;
e0a04ac1
JA		 1009 int i, ret = 0;
1010
1011 p = str = strdup(input);
1012
1013 strip_blank_front(&str);
1014 strip_blank_end(str);
1015
1016 /* We expect it to start like that, bail if not */
59466396 1017 if (strncmp(str, pre, strlen(pre))) {
e0a04ac1
JA		 1018 log_err("fio: mismatch in zoned input <%s>\n", str);
1019 free(p);
1020 return 1;
1021 }
59466396 1022 str += strlen(pre);
e0a04ac1 1023
59466396 1024 ret = str_split_parse(td, str, zone_split_ddir, absolute);
e0a04ac1
JA		 1025
1026 free(p);
1027
1028 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1029 int j;
1030
1031 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
1032
1033 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
1034 struct zone_split *zsp = &td->o.zone_split[i][j];
1035
59466396
JA		 1036 if (absolute) {
1037 dprint(FD_PARSE, "\t%d: %u/%llu\n", j,
1038 zsp->access_perc,
1039 (unsigned long long) zsp->size);
1040 } else {
1041 dprint(FD_PARSE, "\t%d: %u/%u\n", j,
1042 zsp->access_perc,
1043 zsp->size_perc);
1044 }
e0a04ac1
JA		 1045 }
1046 }
1047
55baca06 1048 if (parse_dryrun()) {
55baca06
JA		 1049 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1050 free(td->o.zone_split[i]);
1051 td->o.zone_split[i] = NULL;
1052 td->o.zone_split_nr[i] = 0;
1053 }
1054
1055 return ret;
1056 }
1057
e0a04ac1
JA		 1058 if (!ret)
1059 td_zone_gen_index(td);
dc4bffb8
JA		 1060 else {
1061 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1062 td->o.zone_split_nr[i] = 0;
1063 }
e0a04ac1
JA		 1064
1065 return ret;
1066}
1067
e25839d4
JA		 1068static int str_random_distribution_cb(void *data, const char *str)
1069{
a609f12a 1070 struct thread_data *td = cb_data_to_td(data);
e25839d4
JA		 1071 double val;
1072 char *nr;
1073
925fee33 1074 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1075 val = FIO_DEF_ZIPF;
925fee33 1076 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1077 val = FIO_DEF_PARETO;
56d9fa4b
JA		 1078 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1079 val = 0.0;
e0a04ac1 1080 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
59466396
JA		 1081 return parse_zoned_distribution(td, str, false);
1082 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS)
1083 return parse_zoned_distribution(td, str, true);
925fee33 1084 else
e25839d4
JA		 1085 return 0;
1086
1087 nr = get_opt_postfix(str);
88038bc7 1088 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 1089 log_err("fio: random postfix parsing failed\n");
1090 free(nr);
1091 return 1;
1092 }
1093
078189c1
JA		 1094 free(nr);
1095
18ded917
JA		 1096 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1097 if (val == 1.00) {
1098 log_err("fio: zipf theta must different than 1.0\n");
1099 return 1;
1100 }
55baca06
JA		 1101 if (parse_dryrun())
1102 return 0;
1e5324e7 1103 td->o.zipf_theta.u.f = val;
56d9fa4b 1104 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 1105 if (val <= 0.00 || val >= 1.00) {
1106 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1107 return 1;
1108 }
55baca06
JA		 1109 if (parse_dryrun())
1110 return 0;
1e5324e7 1111 td->o.pareto_h.u.f = val;
3cdb8cf3 1112 } else {
76527b19 1113 if (val < 0.00 || val >= 100.0) {
99c94a6b 1114 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA		 1115 return 1;
1116 }
55baca06
JA		 1117 if (parse_dryrun())
1118 return 0;
f88cd222 1119 td->o.gauss_dev.u.f = val;
3cdb8cf3 1120 }
921c766f
JA		 1121
1122 return 0;
1123}
1124
16e56d25
VF		 1125static int str_steadystate_cb(void *data, const char *str)
1126{
94f218f6 1127 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF		 1128 double val;
1129 char *nr;
1130 char *pct;
1131 long long ll;
1132
2c5d94bc
VF		 1133 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1134 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF		 1135 /* should be impossible to get here */
1136 log_err("fio: unknown steady state criterion\n");
1137 return 1;
1138 }
1139
1140 nr = get_opt_postfix(str);
1141 if (!nr) {
1142 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1143 free(nr);
1144 return 1;
1145 }
1146
1147 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1148 pct = strstr(nr, "%");
1149 if (pct) {
1150 *pct = '\0';
1151 strip_blank_end(nr);
1152 if (!str_to_float(nr, &val, 0)) {
1153 log_err("fio: could not parse steadystate threshold percentage\n");
1154 free(nr);
1155 return 1;
1156 }
1157
1158 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1159 free(nr);
1160 if (parse_dryrun())
1161 return 0;
1162
c8caba48 1163 td->o.ss_state |= FIO_SS_PCT;
16e56d25 1164 td->o.ss_limit.u.f = val;
c8caba48 1165 } else if (td->o.ss_state & FIO_SS_IOPS) {
16e56d25
VF		 1166 if (!str_to_float(nr, &val, 0)) {
1167 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1168 free(nr);
1169 return 1;
1170 }
1171
1172 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1173 free(nr);
1174 if (parse_dryrun())
1175 return 0;
1176
16e56d25 1177 td->o.ss_limit.u.f = val;
16e56d25
VF		 1178 } else { /* bandwidth criterion */
1179 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1180 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1181 free(nr);
1182 return 1;
1183 }
1184
1185 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1186 free(nr);
1187 if (parse_dryrun())
1188 return 0;
1189
16e56d25 1190 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF		 1191 }
1192
2c5d94bc 1193 td->ss.state = td->o.ss_state;
16e56d25
VF		 1194 return 0;
1195}
1196
8e827d35 1197/*
bcbfeefa 1198 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 1199 * is escaped with a '\', then that ':' is part of the filename and does not
1200 * indicate a new file.
1201 */
bcbfeefa 1202static char *get_next_name(char **ptr)
8e827d35
JA		 1203{
1204 char *str = *ptr;
1205 char *p, *start;
1206
1207 if (!str || !strlen(str))
1208 return NULL;
1209
1210 start = str;
1211 do {
1212 /*
1213 * No colon, we are done
1214 */
1215 p = strchr(str, ':');
1216 if (!p) {
1217 *ptr = NULL;
1218 break;
1219 }
1220
1221 /*
1222 * We got a colon, but it's the first character. Skip and
1223 * continue
1224 */
1225 if (p == start) {
1226 str = ++start;
1227 continue;
1228 }
1229
1230 if (*(p - 1) != '\\') {
1231 *p = '\0';
1232 *ptr = p + 1;
1233 break;
1234 }
1235
1236 memmove(p - 1, p, strlen(p) + 1);
1237 str = p;
1238 } while (1);
1239
1240 return start;
1241}
1242
bcbfeefa
CE		 1243
1244static int get_max_name_idx(char *input)
1245{
1246 unsigned int cur_idx;
1247 char *str, *p;
1248
1249 p = str = strdup(input);
1250 for (cur_idx = 0; ; cur_idx++)
1251 if (get_next_name(&str) == NULL)
1252 break;
1253
1254 free(p);
1255 return cur_idx;
1256}
1257
1258/*
1259 * Returns the directory at the index, indexes > entires will be
1260 * assigned via modulo division of the index
1261 */
922a5be8
JA		 1262int set_name_idx(char *target, size_t tlen, char *input, int index,
1263 bool unique_filename)
bcbfeefa
CE		 1264{
1265 unsigned int cur_idx;
1266 int len;
1267 char *fname, *str, *p;
1268
1269 p = str = strdup(input);
1270
1271 index %= get_max_name_idx(input);
1272 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1273 fname = get_next_name(&str);
1274
922a5be8 1275 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA		 1276 len = snprintf(target, tlen, "%s/%s.", fname,
1277 client_sockaddr_str);
1278 } else
1279 len = snprintf(target, tlen, "%s/", fname);
72a703da 1280
e13c3b50 1281 target[tlen - 1] = '\0';
bcbfeefa
CE		 1282 free(p);
1283
1284 return len;
1285}
1286
214e1eca
JA		 1287static int str_filename_cb(void *data, const char *input)
1288{
a609f12a 1289 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA		 1290 char *fname, *str, *p;
1291
1292 p = str = strdup(input);
1293
1294 strip_blank_front(&str);
1295 strip_blank_end(str);
1296
79591fa9
TK		 1297 /*
1298 * Ignore what we may already have from nrfiles option.
1299 */
214e1eca 1300 if (!td->files_index)
2dc1bbeb 1301 td->o.nr_files = 0;
214e1eca 1302
bcbfeefa 1303 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 1304 if (!strlen(fname))
1305 break;
5903e7b7 1306 add_file(td, fname, 0, 1);
214e1eca
JA		 1307 }
1308
1309 free(p);
1310 return 0;
1311}
1312
bcbfeefa 1313static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1314{
a609f12a 1315 struct thread_data *td = cb_data_to_td(data);
214e1eca 1316 struct stat sb;
bcbfeefa
CE		 1317 char *dirname, *str, *p;
1318 int ret = 0;
214e1eca 1319
f9633d72
JA		 1320 if (parse_dryrun())
1321 return 0;
1322
bcbfeefa
CE		 1323 p = str = strdup(td->o.directory);
1324 while ((dirname = get_next_name(&str)) != NULL) {
1325 if (lstat(dirname, &sb) < 0) {
1326 ret = errno;
921c766f 1327
bcbfeefa
CE		 1328 log_err("fio: %s is not a directory\n", dirname);
1329 td_verror(td, ret, "lstat");
1330 goto out;
1331 }
1332 if (!S_ISDIR(sb.st_mode)) {
1333 log_err("fio: %s is not a directory\n", dirname);
1334 ret = 1;
1335 goto out;
1336 }
214e1eca
JA		 1337 }
1338
bcbfeefa
CE		 1339out:
1340 free(p);
1341 return ret;
214e1eca
JA		 1342}
1343
1344static int str_opendir_cb(void *data, const char fio_unused *str)
1345{
a609f12a 1346 struct thread_data *td = cb_data_to_td(data);
214e1eca 1347
52c0cea3
JA		 1348 if (parse_dryrun())
1349 return 0;
1350
214e1eca 1351 if (!td->files_index)
2dc1bbeb 1352 td->o.nr_files = 0;
214e1eca 1353
2dc1bbeb 1354 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1355}
1356
ce35b1ec
JA		 1357static int str_buffer_pattern_cb(void *data, const char *input)
1358{
a609f12a 1359 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1360 int ret;
1361
61b9861d
RP		 1362 /* FIXME: for now buffer pattern does not support formats */
1363 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1364 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1365 if (ret < 0)
1366 return 1;
ce35b1ec 1367
61b9861d
RP		 1368 assert(ret != 0);
1369 td->o.buffer_pattern_bytes = ret;
c55fae03
JA		 1370
1371 /*
1372 * If this job is doing any reading or has compression set,
1373 * ensure that we refill buffers for writes or we could be
1374 * invalidating the pattern through reads.
1375 */
1376 if (!td->o.compress_percentage && !td_read(td))
61b9861d 1377 td->o.refill_buffers = 0;
c55fae03
JA		 1378 else
1379 td->o.refill_buffers = 1;
1380
61b9861d
RP		 1381 td->o.scramble_buffers = 0;
1382 td->o.zero_buffers = 0;
efcd9dcc 1383
61b9861d 1384 return 0;
ce35b1ec
JA		 1385}
1386
bedc9dc2
JA		 1387static int str_buffer_compress_cb(void *data, unsigned long long *il)
1388{
a609f12a 1389 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA		 1390
1391 td->flags |= TD_F_COMPRESS;
1392 td->o.compress_percentage = *il;
1393 return 0;
1394}
1395
5c94b008
JA		 1396static int str_dedupe_cb(void *data, unsigned long long *il)
1397{
a609f12a 1398 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA		 1399
1400 td->flags |= TD_F_COMPRESS;
1401 td->o.dedupe_percentage = *il;
1402 td->o.refill_buffers = 1;
1403 return 0;
1404}
1405
ce35b1ec
JA		 1406static int str_verify_pattern_cb(void *data, const char *input)
1407{
a609f12a 1408 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1409 int ret;
1410
61b9861d
RP		 1411 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1412 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA		 1413 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1414 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1415 if (ret < 0)
1416 return 1;
efcd9dcc 1417
61b9861d
RP		 1418 assert(ret != 0);
1419 td->o.verify_pattern_bytes = ret;
92bf48d5 1420 /*
b638d82f 1421 * VERIFY_* could already be set
92bf48d5 1422 */
61b9861d 1423 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1424 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1425
61b9861d 1426 return 0;
90059d65 1427}
214e1eca 1428
993bf48b
JA		 1429static int str_gtod_reduce_cb(void *data, int *il)
1430{
a609f12a 1431 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA		 1432 int val = *il;
1433
02af0988 1434 td->o.disable_lat = !!val;
993bf48b
JA		 1435 td->o.disable_clat = !!val;
1436 td->o.disable_slat = !!val;
1437 td->o.disable_bw = !!val;
0dc1bc03 1438 td->o.clat_percentiles = !val;
993bf48b 1439 if (val)
8b6a404c 1440 td->ts_cache_mask = 63;
993bf48b
JA		 1441
1442 return 0;
1443}
1444
89978a6b
BW		 1445static int str_offset_cb(void *data, unsigned long long *__val)
1446{
1447 struct thread_data *td = cb_data_to_td(data);
1448 unsigned long long v = *__val;
1449
1450 if (parse_is_percent(v)) {
1451 td->o.start_offset = 0;
1452 td->o.start_offset_percent = -1ULL - v;
872e0415
JA		 1453 dprint(FD_PARSE, "SET start_offset_percent %d\n",
1454 td->o.start_offset_percent);
89978a6b
BW		 1455 } else
1456 td->o.start_offset = v;
1457
1458 return 0;
1459}
1460
7bb59102
JA		 1461static int str_size_cb(void *data, unsigned long long *__val)
1462{
a609f12a 1463 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA		 1464 unsigned long long v = *__val;
1465
1466 if (parse_is_percent(v)) {
1467 td->o.size = 0;
1468 td->o.size_percent = -1ULL - v;
24e4321c
TK		 1469 dprint(FD_PARSE, "SET size_percent %d\n",
1470 td->o.size_percent);
7bb59102
JA		 1471 } else
1472 td->o.size = v;
1473
1474 return 0;
1475}
1476
dded427c
OS		 1477static int str_write_bw_log_cb(void *data, const char *str)
1478{
1479 struct thread_data *td = cb_data_to_td(data);
1480
1481 if (str)
1482 td->o.bw_log_file = strdup(str);
1483
1484 td->o.write_bw_log = 1;
1485 return 0;
1486}
1487
1488static int str_write_lat_log_cb(void *data, const char *str)
1489{
1490 struct thread_data *td = cb_data_to_td(data);
1491
1492 if (str)
1493 td->o.lat_log_file = strdup(str);
1494
1495 td->o.write_lat_log = 1;
1496 return 0;
1497}
1498
1499static int str_write_iops_log_cb(void *data, const char *str)
1500{
1501 struct thread_data *td = cb_data_to_td(data);
1502
1503 if (str)
1504 td->o.iops_log_file = strdup(str);
1505
1506 td->o.write_iops_log = 1;
1507 return 0;
1508}
1509
1510static int str_write_hist_log_cb(void *data, const char *str)
1511{
1512 struct thread_data *td = cb_data_to_td(data);
1513
1514 if (str)
1515 td->o.hist_log_file = strdup(str);
1516
1517 td->o.write_hist_log = 1;
1518 return 0;
1519}
1520
6730b40f
TK		 1521/*
1522 * str is supposed to be a substring of the strdup'd original string,
1523 * and is valid only if it's a regular file path.
1524 * This function keeps the pointer to the path as needed later.
1525 *
1526 * "external:/path/to/so\0" <- original pointer updated with strdup'd
1527 * "external\0" <- above pointer after parsed, i.e. ->ioengine
1528 * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
1529 */
1530static int str_ioengine_external_cb(void *data, const char *str)
1531{
1532 struct thread_data *td = cb_data_to_td(data);
1533 struct stat sb;
1534 char *p;
1535
1536 if (!str) {
1537 log_err("fio: null external ioengine path\n");
1538 return 1;
1539 }
1540
1541 p = (char *)str; /* str is mutable */
1542 strip_blank_front(&p);
1543 strip_blank_end(p);
1544
1545 if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
1546 log_err("fio: invalid external ioengine path \"%s\"\n", p);
1547 return 1;
1548 }
1549
1550 td->o.ioengine_so_path = p;
1551 return 0;
1552}
1553
9109883a 1554static int rw_verify(const struct fio_option *o, void *data)
896cac2a 1555{
a609f12a 1556 struct thread_data *td = cb_data_to_td(data);
896cac2a 1557
d81d0f99
VF		 1558 if (read_only && (td_write(td) || td_trim(td))) {
1559 log_err("fio: job <%s> has write or trim bit set, but"
1560 " fio is in read-only mode\n", td->o.name);
896cac2a
JA		 1561 return 1;
1562 }
1563
1564 return 0;
1565}
1566
9109883a 1567static int gtod_cpu_verify(const struct fio_option *o, void *data)
29d43ff9 1568{
276ca4f7 1569#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1570 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1571
29d43ff9
JA		 1572 if (td->o.gtod_cpu) {
1573 log_err("fio: platform must support CPU affinity for"
1574 "gettimeofday() offloading\n");
1575 return 1;
1576 }
1577#endif
1578
1579 return 0;
1580}
1581
214e1eca
JA		 1582/*
1583 * Map of job/command line options
1584 */
9af4a244 1585struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1586 {
1587 .name = "description",
e8b0e958 1588 .lname = "Description of job",
214e1eca 1589 .type = FIO_OPT_STR_STORE,
a609f12a 1590 .off1 = offsetof(struct thread_options, description),
214e1eca 1591 .help = "Text job description",
e8b0e958 1592 .category = FIO_OPT_C_GENERAL,
0626037e 1593 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1594 },
1595 {
1596 .name = "name",
e8b0e958 1597 .lname = "Job name",
214e1eca 1598 .type = FIO_OPT_STR_STORE,
a609f12a 1599 .off1 = offsetof(struct thread_options, name),
214e1eca 1600 .help = "Name of this job",
e8b0e958 1601 .category = FIO_OPT_C_GENERAL,
0626037e 1602 .group = FIO_OPT_G_DESC,
214e1eca 1603 },
9cc8cb91
AK		 1604 {
1605 .name = "wait_for",
1606 .lname = "Waitee name",
1607 .type = FIO_OPT_STR_STORE,
a609f12a 1608 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1609 .help = "Name of the job this one wants to wait for before starting",
1610 .category = FIO_OPT_C_GENERAL,
1611 .group = FIO_OPT_G_DESC,
1612 },
214e1eca
JA		 1613 {
1614 .name = "filename",
e8b0e958 1615 .lname = "Filename(s)",
214e1eca 1616 .type = FIO_OPT_STR_STORE,
a609f12a 1617 .off1 = offsetof(struct thread_options, filename),
214e1eca 1618 .cb = str_filename_cb,
f0d524b0 1619 .prio = -1, /* must come after "directory" */
214e1eca 1620 .help = "File(s) to use for the workload",
e8b0e958 1621 .category = FIO_OPT_C_FILE,
0626037e 1622 .group = FIO_OPT_G_FILENAME,
214e1eca 1623 },
90fef2d1 1624 {
e8b0e958
JA		 1625 .name = "directory",
1626 .lname = "Directory",
1627 .type = FIO_OPT_STR_STORE,
a609f12a 1628 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1629 .cb = str_directory_cb,
1630 .help = "Directory to store files in",
1631 .category = FIO_OPT_C_FILE,
0626037e 1632 .group = FIO_OPT_G_FILENAME,
90fef2d1 1633 },
de98bd30
JA		 1634 {
1635 .name = "filename_format",
922a5be8 1636 .lname = "Filename Format",
de98bd30 1637 .type = FIO_OPT_STR_STORE,
a609f12a 1638 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1639 .prio = -1, /* must come after "directory" */
1640 .help = "Override default $jobname.$jobnum.$filenum naming",
1641 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1642 .category = FIO_OPT_C_FILE,
1643 .group = FIO_OPT_G_FILENAME,
ad705bcb 1644 },
922a5be8
JA		 1645 {
1646 .name = "unique_filename",
1647 .lname = "Unique Filename",
1648 .type = FIO_OPT_BOOL,
a609f12a 1649 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1650 .help = "For network clients, prefix file with source IP",
1651 .def = "1",
1652 .category = FIO_OPT_C_FILE,
1653 .group = FIO_OPT_G_FILENAME,
1654 },
29c1349f
JA		 1655 {
1656 .name = "lockfile",
e8b0e958 1657 .lname = "Lockfile",
4d4e80f2 1658 .type = FIO_OPT_STR,
a609f12a 1659 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1660 .help = "Lock file when doing IO to it",
bc6a0a5d 1661 .prio = 1,
29c1349f 1662 .parent = "filename",
d71c154c 1663 .hide = 0,
4d4e80f2 1664 .def = "none",
e8b0e958 1665 .category = FIO_OPT_C_FILE,
0626037e 1666 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1667 .posval = {
1668 { .ival = "none",
1669 .oval = FILE_LOCK_NONE,
1670 .help = "No file locking",
1671 },
1672 { .ival = "exclusive",
1673 .oval = FILE_LOCK_EXCLUSIVE,
1674 .help = "Exclusive file lock",
1675 },
1676 {
1677 .ival = "readwrite",
1678 .oval = FILE_LOCK_READWRITE,
1679 .help = "Read vs write lock",
1680 },
1681 },
29c1349f 1682 },
214e1eca
JA		 1683 {
1684 .name = "opendir",
e8b0e958 1685 .lname = "Open directory",
214e1eca 1686 .type = FIO_OPT_STR_STORE,
a609f12a 1687 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1688 .cb = str_opendir_cb,
1689 .help = "Recursively add files from this directory and down",
e8b0e958 1690 .category = FIO_OPT_C_FILE,
0626037e 1691 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1692 },
1693 {
1694 .name = "rw",
e8b0e958 1695 .lname = "Read/write",
d3aad8f2 1696 .alias = "readwrite",
214e1eca 1697 .type = FIO_OPT_STR,
211097b2 1698 .cb = str_rw_cb,
a609f12a 1699 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1700 .help = "IO direction",
1701 .def = "read",
896cac2a 1702 .verify = rw_verify,
e8b0e958 1703 .category = FIO_OPT_C_IO,
0626037e 1704 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1705 .posval = {
1706 { .ival = "read",
1707 .oval = TD_DDIR_READ,
1708 .help = "Sequential read",
1709 },
1710 { .ival = "write",
1711 .oval = TD_DDIR_WRITE,
1712 .help = "Sequential write",
1713 },
6eaf09d6
SL		 1714 { .ival = "trim",
1715 .oval = TD_DDIR_TRIM,
1716 .help = "Sequential trim",
1717 },
214e1eca
JA		 1718 { .ival = "randread",
1719 .oval = TD_DDIR_RANDREAD,
1720 .help = "Random read",
1721 },
1722 { .ival = "randwrite",
1723 .oval = TD_DDIR_RANDWRITE,
1724 .help = "Random write",
1725 },
6eaf09d6
SL		 1726 { .ival = "randtrim",
1727 .oval = TD_DDIR_RANDTRIM,
1728 .help = "Random trim",
1729 },
214e1eca
JA		 1730 { .ival = "rw",
1731 .oval = TD_DDIR_RW,
1732 .help = "Sequential read and write mix",
1733 },
10b023db
JA		 1734 { .ival = "readwrite",
1735 .oval = TD_DDIR_RW,
1736 .help = "Sequential read and write mix",
1737 },
214e1eca
JA		 1738 { .ival = "randrw",
1739 .oval = TD_DDIR_RANDRW,
1740 .help = "Random read and write mix"
1741 },
82a90686
JA		 1742 { .ival = "trimwrite",
1743 .oval = TD_DDIR_TRIMWRITE,
1744 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1745 },
214e1eca
JA		 1746 },
1747 },
38dad62d
JA		 1748 {
1749 .name = "rw_sequencer",
e8b0e958 1750 .lname = "RW Sequencer",
38dad62d 1751 .type = FIO_OPT_STR,
a609f12a 1752 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1753 .help = "IO offset generator modifier",
1754 .def = "sequential",
e8b0e958 1755 .category = FIO_OPT_C_IO,
0626037e 1756 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1757 .posval = {
1758 { .ival = "sequential",
1759 .oval = RW_SEQ_SEQ,
1760 .help = "Generate sequential offsets",
1761 },
1762 { .ival = "identical",
1763 .oval = RW_SEQ_IDENT,
1764 .help = "Generate identical offsets",
1765 },
1766 },
1767 },
1768
214e1eca
JA		 1769 {
1770 .name = "ioengine",
e8b0e958 1771 .lname = "IO Engine",
214e1eca 1772 .type = FIO_OPT_STR_STORE,
a609f12a 1773 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1774 .help = "IO engine to use",
58483fa4 1775 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1776 .category = FIO_OPT_C_IO,
0626037e 1777 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1778 .posval = {
1779 { .ival = "sync",
1780 .help = "Use read/write",
1781 },
a31041ea 1782 { .ival = "psync",
1783 .help = "Use pread/pwrite",
1784 },
1d2af02a 1785 { .ival = "vsync",
03e20d68 1786 .help = "Use readv/writev",
1d2af02a 1787 },
07fc0acd
JA		 1788#ifdef CONFIG_PWRITEV
1789 { .ival = "pvsync",
1790 .help = "Use preadv/pwritev",
1791 },
1792#endif
6562685f 1793#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1794 { .ival = "pvsync2",
1795 .help = "Use preadv2/pwritev2",
1796 },
1797#endif
67bf9823 1798#ifdef CONFIG_LIBAIO
214e1eca
JA		 1799 { .ival = "libaio",
1800 .help = "Linux native asynchronous IO",
1801 },
1802#endif
67bf9823 1803#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1804 { .ival = "posixaio",
1805 .help = "POSIX asynchronous IO",
1806 },
417f0068 1807#endif
997843cb 1808#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1809 { .ival = "solarisaio",
1810 .help = "Solaris native asynchronous IO",
1811 },
214e1eca 1812#endif
4700b234 1813#ifdef CONFIG_WINDOWSAIO
03e20d68 1814 { .ival = "windowsaio",
3be80071 1815 .help = "Windows native asynchronous IO"
de890a1e 1816 },
fc5c0345
DG		 1817#endif
1818#ifdef CONFIG_RBD
1819 { .ival = "rbd",
1820 .help = "Rados Block Device asynchronous IO"
1821 },
3be80071 1822#endif
214e1eca 1823 { .ival = "mmap",
03e20d68 1824 .help = "Memory mapped IO"
214e1eca 1825 },
67bf9823 1826#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1827 { .ival = "splice",
1828 .help = "splice/vmsplice based IO",
1829 },
9cce02e8
JA		 1830 { .ival = "netsplice",
1831 .help = "splice/vmsplice to/from the network",
1832 },
214e1eca
JA		 1833#endif
1834#ifdef FIO_HAVE_SGIO
1835 { .ival = "sg",
1836 .help = "SCSI generic v3 IO",
1837 },
1838#endif
1839 { .ival = "null",
1840 .help = "Testing engine (no data transfer)",
1841 },
1842 { .ival = "net",
1843 .help = "Network IO",
1844 },
214e1eca 1845 { .ival = "cpuio",
03e20d68 1846 .help = "CPU cycle burner engine",
214e1eca 1847 },
67bf9823 1848#ifdef CONFIG_GUASI
b8c82a46
JA		 1849 { .ival = "guasi",
1850 .help = "GUASI IO engine",
1851 },
79a43187 1852#endif
67bf9823 1853#ifdef CONFIG_RDMA
21b8aee8 1854 { .ival = "rdma",
1855 .help = "RDMA IO engine",
1856 },
8200b8c7 1857#endif
67bf9823 1858#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1859 { .ival = "fusion-aw-sync",
1860 .help = "Fusion-io atomic write engine",
1861 },
1ecc95ca 1862#endif
997843cb 1863#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1864 { .ival = "e4defrag",
1865 .help = "ext4 defrag engine",
1866 },
1867#endif
997843cb 1868#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1869 { .ival = "falloc",
1870 .help = "fallocate() file based engine",
1871 },
b8c82a46 1872#endif
a7c386f4 1873#ifdef CONFIG_GFAPI
1874 { .ival = "gfapi",
cc47f094 1875 .help = "Glusterfs libgfapi(sync) based engine"
1876 },
1877 { .ival = "gfapi_async",
1878 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1879 },
1880#endif
1b10477b 1881#ifdef CONFIG_LIBHDFS
b74e419e 1882 { .ival = "libhdfs",
1b10477b
MM		 1883 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1884 },
5c4ef02e
JA		 1885#endif
1886#ifdef CONFIG_PMEMBLK
1887 { .ival = "pmemblk",
363a5f65 1888 .help = "PMDK libpmemblk based IO engine",
5c4ef02e
JA		 1889 },
1890
104ee4de
DJ		 1891#endif
1892#ifdef CONFIG_LINUX_DEVDAX
1893 { .ival = "dev-dax",
1894 .help = "DAX Device based IO engine",
1895 },
1b10477b 1896#endif
edc5fa12
JA		 1897 {
1898 .ival = "filecreate",
1899 .help = "File creation engine",
1900 },
214e1eca
JA		 1901 { .ival = "external",
1902 .help = "Load external engine (append name)",
6730b40f 1903 .cb = str_ioengine_external_cb,
214e1eca 1904 },
ae0db592
TI		 1905#ifdef CONFIG_LIBPMEM
1906 { .ival = "libpmem",
363a5f65 1907 .help = "PMDK libpmem based IO engine",
ae0db592
TI		 1908 },
1909#endif
214e1eca
JA		 1910 },
1911 },
1912 {
1913 .name = "iodepth",
e8b0e958 1914 .lname = "IO Depth",
214e1eca 1915 .type = FIO_OPT_INT,
a609f12a 1916 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1917 .help = "Number of IO buffers to keep in flight",
757aff4f 1918 .minval = 1,
20eb06bd 1919 .interval = 1,
214e1eca 1920 .def = "1",
e8b0e958 1921 .category = FIO_OPT_C_IO,
0626037e 1922 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1923 },
1924 {
1925 .name = "iodepth_batch",
e8b0e958 1926 .lname = "IO Depth batch",
4950421a 1927 .alias = "iodepth_batch_submit",
214e1eca 1928 .type = FIO_OPT_INT,
a609f12a 1929 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1930 .help = "Number of IO buffers to submit in one go",
afdf9352 1931 .parent = "iodepth",
d71c154c 1932 .hide = 1,
20eb06bd 1933 .interval = 1,
a2e6f8ac 1934 .def = "1",
e8b0e958 1935 .category = FIO_OPT_C_IO,
0626037e 1936 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1937 },
1938 {
82407585
RP		 1939 .name = "iodepth_batch_complete_min",
1940 .lname = "Min IO depth batch complete",
1941 .alias = "iodepth_batch_complete",
4950421a 1942 .type = FIO_OPT_INT,
a609f12a 1943 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1944 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1945 .parent = "iodepth",
d71c154c 1946 .hide = 1,
4950421a 1947 .minval = 0,
20eb06bd 1948 .interval = 1,
4950421a 1949 .def = "1",
e8b0e958 1950 .category = FIO_OPT_C_IO,
0626037e 1951 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1952 },
82407585
RP		 1953 {
1954 .name = "iodepth_batch_complete_max",
1955 .lname = "Max IO depth batch complete",
1956 .type = FIO_OPT_INT,
a609f12a 1957 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1958 .help = "Max number of IO buffers to retrieve in one go",
1959 .parent = "iodepth",
1960 .hide = 1,
1961 .minval = 0,
1962 .interval = 1,
1963 .category = FIO_OPT_C_IO,
1964 .group = FIO_OPT_G_IO_BASIC,
1965 },
214e1eca
JA		 1966 {
1967 .name = "iodepth_low",
e8b0e958 1968 .lname = "IO Depth batch low",
214e1eca 1969 .type = FIO_OPT_INT,
a609f12a 1970 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1971 .help = "Low water mark for queuing depth",
afdf9352 1972 .parent = "iodepth",
d71c154c 1973 .hide = 1,
20eb06bd 1974 .interval = 1,
e8b0e958 1975 .category = FIO_OPT_C_IO,
0626037e 1976 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1977 },
997b5680
SW		 1978 {
1979 .name = "serialize_overlap",
1980 .lname = "Serialize overlap",
1981 .off1 = offsetof(struct thread_options, serialize_overlap),
1982 .type = FIO_OPT_BOOL,
1983 .help = "Wait for in-flight IOs that collide to complete",
1984 .parent = "iodepth",
1985 .def = "0",
1986 .category = FIO_OPT_C_IO,
1987 .group = FIO_OPT_G_IO_BASIC,
1988 },
a9da8ab2
JA		 1989 {
1990 .name = "io_submit_mode",
1991 .lname = "IO submit mode",
1992 .type = FIO_OPT_STR,
a609f12a 1993 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1994 .help = "How IO submissions and completions are done",
1995 .def = "inline",
1996 .category = FIO_OPT_C_IO,
1997 .group = FIO_OPT_G_IO_BASIC,
1998 .posval = {
1999 { .ival = "inline",
2000 .oval = IO_MODE_INLINE,
2001 .help = "Submit and complete IO inline",
2002 },
2003 { .ival = "offload",
2004 .oval = IO_MODE_OFFLOAD,
2005 .help = "Offload submit and complete to threads",
2006 },
2007 },
2008 },
214e1eca
JA		 2009 {
2010 .name = "size",
e8b0e958 2011 .lname = "Size",
214e1eca 2012 .type = FIO_OPT_STR_VAL,
7bb59102 2013 .cb = str_size_cb,
a609f12a 2014 .off1 = offsetof(struct thread_options, size),
214e1eca 2015 .help = "Total size of device or files",
20eb06bd 2016 .interval = 1024 * 1024,
e8b0e958
JA		 2017 .category = FIO_OPT_C_IO,
2018 .group = FIO_OPT_G_INVALID,
214e1eca 2019 },
77731b29 2020 {
a4d3b4db
JA		 2021 .name = "io_size",
2022 .alias = "io_limit",
2023 .lname = "IO Size",
77731b29 2024 .type = FIO_OPT_STR_VAL,
5be9bf09 2025 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 2026 .help = "Total size of I/O to be performed",
77731b29
JA		 2027 .interval = 1024 * 1024,
2028 .category = FIO_OPT_C_IO,
2029 .group = FIO_OPT_G_INVALID,
2030 },
aa31f1f1
SL		 2031 {
2032 .name = "fill_device",
e8b0e958 2033 .lname = "Fill device",
74586c1e 2034 .alias = "fill_fs",
aa31f1f1 2035 .type = FIO_OPT_BOOL,
a609f12a 2036 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 2037 .help = "Write until an ENOSPC error occurs",
2038 .def = "0",
e8b0e958
JA		 2039 .category = FIO_OPT_C_FILE,
2040 .group = FIO_OPT_G_INVALID,
aa31f1f1 2041 },
214e1eca
JA		 2042 {
2043 .name = "filesize",
e8b0e958 2044 .lname = "File size",
214e1eca 2045 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 2046 .off1 = offsetof(struct thread_options, file_size_low),
2047 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 2048 .minval = 1,
214e1eca 2049 .help = "Size of individual files",
20eb06bd 2050 .interval = 1024 * 1024,
e8b0e958
JA		 2051 .category = FIO_OPT_C_FILE,
2052 .group = FIO_OPT_G_INVALID,
214e1eca 2053 },
bedc9dc2
JA		 2054 {
2055 .name = "file_append",
2056 .lname = "File append",
2057 .type = FIO_OPT_BOOL,
a609f12a 2058 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 2059 .help = "IO will start at the end of the file(s)",
2060 .def = "0",
2061 .category = FIO_OPT_C_FILE,
2062 .group = FIO_OPT_G_INVALID,
2063 },
67a1000f
JA		 2064 {
2065 .name = "offset",
e8b0e958 2066 .lname = "IO offset",
67a1000f
JA		 2067 .alias = "fileoffset",
2068 .type = FIO_OPT_STR_VAL,
89978a6b 2069 .cb = str_offset_cb,
a609f12a 2070 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 2071 .help = "Start IO from this offset",
2072 .def = "0",
20eb06bd 2073 .interval = 1024 * 1024,
e8b0e958
JA		 2074 .category = FIO_OPT_C_IO,
2075 .group = FIO_OPT_G_INVALID,
67a1000f 2076 },
83c8b093
JF		 2077 {
2078 .name = "offset_align",
2079 .lname = "IO offset alignment",
2080 .type = FIO_OPT_INT,
2081 .off1 = offsetof(struct thread_options, start_offset_align),
2082 .help = "Start IO from this offset alignment",
2083 .def = "0",
2084 .interval = 512,
2085 .category = FIO_OPT_C_IO,
2086 .group = FIO_OPT_G_INVALID,
2087 },
2d7cd868
JA		 2088 {
2089 .name = "offset_increment",
e8b0e958 2090 .lname = "IO offset increment",
2d7cd868 2091 .type = FIO_OPT_STR_VAL,
a609f12a 2092 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 2093 .help = "What is the increment from one offset to the next",
2094 .parent = "offset",
d71c154c 2095 .hide = 1,
2d7cd868 2096 .def = "0",
20eb06bd 2097 .interval = 1024 * 1024,
e8b0e958
JA		 2098 .category = FIO_OPT_C_IO,
2099 .group = FIO_OPT_G_INVALID,
2d7cd868 2100 },
ddf24e42
JA		 2101 {
2102 .name = "number_ios",
2103 .lname = "Number of IOs to perform",
2104 .type = FIO_OPT_STR_VAL,
a609f12a 2105 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2106 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 2107 .def = "0",
2108 .category = FIO_OPT_C_IO,
2109 .group = FIO_OPT_G_INVALID,
2110 },
214e1eca
JA		 2111 {
2112 .name = "bs",
e8b0e958 2113 .lname = "Block size",
d3aad8f2 2114 .alias = "blocksize",
5fff9543 2115 .type = FIO_OPT_ULL,
a609f12a
JA		 2116 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2117 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2118 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2119 .minval = 1,
214e1eca 2120 .help = "Block size unit",
2b9136a3 2121 .def = "4096",
67a1000f 2122 .parent = "rw",
d71c154c 2123 .hide = 1,
20eb06bd 2124 .interval = 512,
e8b0e958
JA		 2125 .category = FIO_OPT_C_IO,
2126 .group = FIO_OPT_G_INVALID,
214e1eca 2127 },
2b7a01d0
JA		 2128 {
2129 .name = "ba",
e8b0e958 2130 .lname = "Block size align",
2b7a01d0 2131 .alias = "blockalign",
5fff9543 2132 .type = FIO_OPT_ULL,
a609f12a
JA		 2133 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2134 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2135 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2136 .minval = 1,
2137 .help = "IO block offset alignment",
2138 .parent = "rw",
d71c154c 2139 .hide = 1,
20eb06bd 2140 .interval = 512,
e8b0e958
JA		 2141 .category = FIO_OPT_C_IO,
2142 .group = FIO_OPT_G_INVALID,
2b7a01d0 2143 },
214e1eca
JA		 2144 {
2145 .name = "bsrange",
e8b0e958 2146 .lname = "Block size range",
d3aad8f2 2147 .alias = "blocksize_range",
214e1eca 2148 .type = FIO_OPT_RANGE,
a609f12a
JA		 2149 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2150 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2151 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2152 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2153 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2154 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2155 .minval = 1,
214e1eca 2156 .help = "Set block size range (in more detail than bs)",
67a1000f 2157 .parent = "rw",
d71c154c 2158 .hide = 1,
20eb06bd 2159 .interval = 4096,
e8b0e958
JA		 2160 .category = FIO_OPT_C_IO,
2161 .group = FIO_OPT_G_INVALID,
214e1eca 2162 },
564ca972
JA		 2163 {
2164 .name = "bssplit",
e8b0e958 2165 .lname = "Block size split",
5fff9543 2166 .type = FIO_OPT_STR_ULL,
564ca972 2167 .cb = str_bssplit_cb,
a609f12a 2168 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2169 .help = "Set a specific mix of block sizes",
2170 .parent = "rw",
d71c154c 2171 .hide = 1,
e8b0e958
JA		 2172 .category = FIO_OPT_C_IO,
2173 .group = FIO_OPT_G_INVALID,
564ca972 2174 },
214e1eca
JA		 2175 {
2176 .name = "bs_unaligned",
e8b0e958 2177 .lname = "Block size unaligned",
d3aad8f2 2178 .alias = "blocksize_unaligned",
214e1eca 2179 .type = FIO_OPT_STR_SET,
a609f12a 2180 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2181 .help = "Don't sector align IO buffer sizes",
67a1000f 2182 .parent = "rw",
d71c154c 2183 .hide = 1,
e8b0e958
JA		 2184 .category = FIO_OPT_C_IO,
2185 .group = FIO_OPT_G_INVALID,
214e1eca 2186 },
6aca9b3d
JA		 2187 {
2188 .name = "bs_is_seq_rand",
2189 .lname = "Block size division is seq/random (not read/write)",
2190 .type = FIO_OPT_BOOL,
a609f12a 2191 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2192 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2193 .def = "0",
2194 .parent = "blocksize",
2195 .category = FIO_OPT_C_IO,
2196 .group = FIO_OPT_G_INVALID,
2197 },
214e1eca
JA		 2198 {
2199 .name = "randrepeat",
e8b0e958 2200 .lname = "Random repeatable",
214e1eca 2201 .type = FIO_OPT_BOOL,
a609f12a 2202 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2203 .help = "Use repeatable random IO pattern",
2204 .def = "1",
67a1000f 2205 .parent = "rw",
d71c154c 2206 .hide = 1,
e8b0e958 2207 .category = FIO_OPT_C_IO,
3ceb458f 2208 .group = FIO_OPT_G_RANDOM,
214e1eca 2209 },
04778baf
JA		 2210 {
2211 .name = "randseed",
2212 .lname = "The random generator seed",
363cffa7 2213 .type = FIO_OPT_STR_VAL,
a609f12a 2214 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2215 .help = "Set the random generator seed value",
40fe5e7b 2216 .def = "0x89",
04778baf
JA		 2217 .parent = "rw",
2218 .category = FIO_OPT_C_IO,
2219 .group = FIO_OPT_G_RANDOM,
2220 },
2615cc4b
JA		 2221 {
2222 .name = "use_os_rand",
e8b0e958 2223 .lname = "Use OS random",
54a21917 2224 .type = FIO_OPT_DEPRECATED,
a609f12a 2225 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2226 .category = FIO_OPT_C_IO,
3ceb458f 2227 .group = FIO_OPT_G_RANDOM,
2615cc4b 2228 },
214e1eca
JA		 2229 {
2230 .name = "norandommap",
e8b0e958 2231 .lname = "No randommap",
214e1eca 2232 .type = FIO_OPT_STR_SET,
a609f12a 2233 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2234 .help = "Accept potential duplicate random blocks",
67a1000f 2235 .parent = "rw",
d71c154c 2236 .hide = 1,
b2452a43 2237 .hide_on_set = 1,
e8b0e958 2238 .category = FIO_OPT_C_IO,
3ceb458f 2239 .group = FIO_OPT_G_RANDOM,
214e1eca 2240 },
2b386d25
JA		 2241 {
2242 .name = "softrandommap",
e8b0e958 2243 .lname = "Soft randommap",
2b386d25 2244 .type = FIO_OPT_BOOL,
a609f12a 2245 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2246 .help = "Set norandommap if randommap allocation fails",
2b386d25 2247 .parent = "norandommap",
d71c154c 2248 .hide = 1,
2b386d25 2249 .def = "0",
e8b0e958 2250 .category = FIO_OPT_C_IO,
3ceb458f 2251 .group = FIO_OPT_G_RANDOM,
2b386d25 2252 },
8055e41d
JA		 2253 {
2254 .name = "random_generator",
cce2fdfe 2255 .lname = "Random Generator",
8055e41d 2256 .type = FIO_OPT_STR,
a609f12a 2257 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2258 .help = "Type of random number generator to use",
2259 .def = "tausworthe",
2260 .posval = {
2261 { .ival = "tausworthe",
2262 .oval = FIO_RAND_GEN_TAUSWORTHE,
2263 .help = "Strong Tausworthe generator",
2264 },
2265 { .ival = "lfsr",
2266 .oval = FIO_RAND_GEN_LFSR,
2267 .help = "Variable length LFSR",
2268 },
c3546b53
JA		 2269 {
2270 .ival = "tausworthe64",
2271 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2272 .help = "64-bit Tausworthe variant",
2273 },
8055e41d 2274 },
48107598
JA		 2275 .category = FIO_OPT_C_IO,
2276 .group = FIO_OPT_G_RANDOM,
8055e41d 2277 },
e25839d4
JA		 2278 {
2279 .name = "random_distribution",
cce2fdfe 2280 .lname = "Random Distribution",
e25839d4 2281 .type = FIO_OPT_STR,
a609f12a 2282 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2283 .cb = str_random_distribution_cb,
2284 .help = "Random offset distribution generator",
2285 .def = "random",
2286 .posval = {
2287 { .ival = "random",
2288 .oval = FIO_RAND_DIST_RANDOM,
2289 .help = "Completely random",
2290 },
2291 { .ival = "zipf",
2292 .oval = FIO_RAND_DIST_ZIPF,
2293 .help = "Zipf distribution",
2294 },
925fee33
JA		 2295 { .ival = "pareto",
2296 .oval = FIO_RAND_DIST_PARETO,
2297 .help = "Pareto distribution",
2298 },
56d9fa4b
JA		 2299 { .ival = "normal",
2300 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2301 .help = "Normal (Gaussian) distribution",
56d9fa4b 2302 },
e0a04ac1
JA		 2303 { .ival = "zoned",
2304 .oval = FIO_RAND_DIST_ZONED,
2305 .help = "Zoned random distribution",
2306 },
59466396
JA		 2307 { .ival = "zoned_abs",
2308 .oval = FIO_RAND_DIST_ZONED_ABS,
2309 .help = "Zoned absolute random distribution",
2310 },
e25839d4 2311 },
48107598
JA		 2312 .category = FIO_OPT_C_IO,
2313 .group = FIO_OPT_G_RANDOM,
e25839d4 2314 },
211c9b89
JA		 2315 {
2316 .name = "percentage_random",
2317 .lname = "Percentage Random",
2318 .type = FIO_OPT_INT,
a609f12a
JA		 2319 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2320 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2321 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2322 .maxval = 100,
2323 .help = "Percentage of seq/random mix that should be random",
d9472271 2324 .def = "100,100,100",
211c9b89
JA		 2325 .interval = 5,
2326 .inverse = "percentage_sequential",
2327 .category = FIO_OPT_C_IO,
2328 .group = FIO_OPT_G_RANDOM,
2329 },
2330 {
2331 .name = "percentage_sequential",
2332 .lname = "Percentage Sequential",
d9472271 2333 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2334 .category = FIO_OPT_C_IO,
2335 .group = FIO_OPT_G_RANDOM,
2336 },
56e2a5fc
CE		 2337 {
2338 .name = "allrandrepeat",
cce2fdfe 2339 .lname = "All Random Repeat",
56e2a5fc 2340 .type = FIO_OPT_BOOL,
a609f12a 2341 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2342 .help = "Use repeatable random numbers for everything",
2343 .def = "0",
a869d9c6
JA		 2344 .category = FIO_OPT_C_IO,
2345 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2346 },
214e1eca
JA		 2347 {
2348 .name = "nrfiles",
e8b0e958 2349 .lname = "Number of files",
d7c8be03 2350 .alias = "nr_files",
214e1eca 2351 .type = FIO_OPT_INT,
a609f12a 2352 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2353 .help = "Split job workload between this number of files",
2354 .def = "1",
20eb06bd 2355 .interval = 1,
e8b0e958
JA		 2356 .category = FIO_OPT_C_FILE,
2357 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2358 },
2359 {
2360 .name = "openfiles",
e8b0e958 2361 .lname = "Number of open files",
214e1eca 2362 .type = FIO_OPT_INT,
a609f12a 2363 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2364 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2365 .category = FIO_OPT_C_FILE,
2366 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2367 },
2368 {
2369 .name = "file_service_type",
e8b0e958 2370 .lname = "File service type",
214e1eca
JA		 2371 .type = FIO_OPT_STR,
2372 .cb = str_fst_cb,
a609f12a 2373 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2374 .help = "How to select which file to service next",
2375 .def = "roundrobin",
e8b0e958
JA		 2376 .category = FIO_OPT_C_FILE,
2377 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2378 .posval = {
2379 { .ival = "random",
2380 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2381 .help = "Choose a file at random (uniform)",
2382 },
2383 { .ival = "zipf",
2384 .oval = FIO_FSERVICE_ZIPF,
2385 .help = "Zipf randomized",
2386 },
2387 { .ival = "pareto",
2388 .oval = FIO_FSERVICE_PARETO,
2389 .help = "Pareto randomized",
2390 },
dd3503d3
SW		 2391 { .ival = "normal",
2392 .oval = FIO_FSERVICE_GAUSS,
2393 .help = "Normal (Gaussian) randomized",
2394 },
8c07860d
JA		 2395 { .ival = "gauss",
2396 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2397 .help = "Alias for normal",
214e1eca
JA		 2398 },
2399 { .ival = "roundrobin",
2400 .oval = FIO_FSERVICE_RR,
2401 .help = "Round robin select files",
2402 },
a086c257
JA		 2403 { .ival = "sequential",
2404 .oval = FIO_FSERVICE_SEQ,
2405 .help = "Finish one file before moving to the next",
2406 },
214e1eca 2407 },
67a1000f 2408 .parent = "nrfiles",
d71c154c 2409 .hide = 1,
67a1000f 2410 },
cbbdf1c8 2411#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA		 2412 {
2413 .name = "fallocate",
e8b0e958 2414 .lname = "Fallocate",
a596f047 2415 .type = FIO_OPT_STR,
a609f12a 2416 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2417 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2418 .def = "native",
e8b0e958
JA		 2419 .category = FIO_OPT_C_FILE,
2420 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2421 .posval = {
2422 { .ival = "none",
2423 .oval = FIO_FALLOCATE_NONE,
2424 .help = "Do not pre-allocate space",
2425 },
2c3e17be
SW		 2426 { .ival = "native",
2427 .oval = FIO_FALLOCATE_NATIVE,
2428 .help = "Use native pre-allocation if possible",
2429 },
2430#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2431 { .ival = "posix",
2432 .oval = FIO_FALLOCATE_POSIX,
2433 .help = "Use posix_fallocate()",
2434 },
2c3e17be 2435#endif
97ac992c 2436#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2437 { .ival = "keep",
2438 .oval = FIO_FALLOCATE_KEEP_SIZE,
2439 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2440 },
7bc8c2cf 2441#endif
a596f047
EG		 2442 /* Compatibility with former boolean values */
2443 { .ival = "0",
2444 .oval = FIO_FALLOCATE_NONE,
2445 .help = "Alias for 'none'",
2446 },
2c3e17be 2447#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2448 { .ival = "1",
2449 .oval = FIO_FALLOCATE_POSIX,
2450 .help = "Alias for 'posix'",
2451 },
2c3e17be 2452#endif
a596f047
EG		 2453 },
2454 },
cbbdf1c8 2455#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA		 2456 {
2457 .name = "fallocate",
2458 .lname = "Fallocate",
2459 .type = FIO_OPT_UNSUPPORTED,
2460 .help = "Your platform does not support fallocate",
2461 },
cbbdf1c8 2462#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA		 2463 {
2464 .name = "fadvise_hint",
e8b0e958 2465 .lname = "Fadvise hint",
ecb2083d 2466 .type = FIO_OPT_STR,
a609f12a 2467 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2468 .posval = {
2469 { .ival = "0",
2470 .oval = F_ADV_NONE,
c712c97a 2471 .help = "Don't issue fadvise/madvise",
ecb2083d
JA		 2472 },
2473 { .ival = "1",
2474 .oval = F_ADV_TYPE,
2475 .help = "Advise using fio IO pattern",
2476 },
2477 { .ival = "random",
2478 .oval = F_ADV_RANDOM,
2479 .help = "Advise using FADV_RANDOM",
2480 },
2481 { .ival = "sequential",
2482 .oval = F_ADV_SEQUENTIAL,
2483 .help = "Advise using FADV_SEQUENTIAL",
2484 },
2485 },
67a1000f
JA		 2486 .help = "Use fadvise() to advise the kernel on IO pattern",
2487 .def = "1",
e8b0e958
JA		 2488 .category = FIO_OPT_C_FILE,
2489 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2490 },
2491 {
2492 .name = "fsync",
e8b0e958 2493 .lname = "Fsync",
214e1eca 2494 .type = FIO_OPT_INT,
a609f12a 2495 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2496 .help = "Issue fsync for writes every given number of blocks",
2497 .def = "0",
20eb06bd 2498 .interval = 1,
e8b0e958
JA		 2499 .category = FIO_OPT_C_FILE,
2500 .group = FIO_OPT_G_INVALID,
214e1eca 2501 },
5f9099ea
JA		 2502 {
2503 .name = "fdatasync",
e8b0e958 2504 .lname = "Fdatasync",
5f9099ea 2505 .type = FIO_OPT_INT,
a609f12a 2506 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2507 .help = "Issue fdatasync for writes every given number of blocks",
2508 .def = "0",
20eb06bd 2509 .interval = 1,
e8b0e958
JA		 2510 .category = FIO_OPT_C_FILE,
2511 .group = FIO_OPT_G_INVALID,
5f9099ea 2512 },
1ef2b6be
JA		 2513 {
2514 .name = "write_barrier",
e8b0e958 2515 .lname = "Write barrier",
1ef2b6be 2516 .type = FIO_OPT_INT,
a609f12a 2517 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2518 .help = "Make every Nth write a barrier write",
2519 .def = "0",
20eb06bd 2520 .interval = 1,
e8b0e958
JA		 2521 .category = FIO_OPT_C_IO,
2522 .group = FIO_OPT_G_INVALID,
1ef2b6be 2523 },
67bf9823 2524#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2525 {
2526 .name = "sync_file_range",
e8b0e958 2527 .lname = "Sync file range",
44f29692
JA		 2528 .posval = {
2529 { .ival = "wait_before",
2530 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2531 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2532 .orval = 1,
44f29692
JA		 2533 },
2534 { .ival = "write",
2535 .oval = SYNC_FILE_RANGE_WRITE,
2536 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2537 .orval = 1,
44f29692
JA		 2538 },
2539 {
2540 .ival = "wait_after",
2541 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2542 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2543 .orval = 1,
44f29692
JA		 2544 },
2545 },
3843deb3 2546 .type = FIO_OPT_STR_MULTI,
44f29692 2547 .cb = str_sfr_cb,
a609f12a 2548 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2549 .help = "Use sync_file_range()",
e8b0e958
JA		 2550 .category = FIO_OPT_C_FILE,
2551 .group = FIO_OPT_G_INVALID,
44f29692 2552 },
a275c37a 2553#else
54d0a315 2554 {
a275c37a
JA		 2555 .name = "sync_file_range",
2556 .lname = "Sync file range",
2557 .type = FIO_OPT_UNSUPPORTED,
2558 .help = "Your platform does not support sync_file_range",
2559 },
44f29692 2560#endif
214e1eca
JA		 2561 {
2562 .name = "direct",
e8b0e958 2563 .lname = "Direct I/O",
214e1eca 2564 .type = FIO_OPT_BOOL,
a609f12a 2565 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2566 .help = "Use O_DIRECT IO (negates buffered)",
2567 .def = "0",
a01a1bc5 2568 .inverse = "buffered",
e8b0e958 2569 .category = FIO_OPT_C_IO,
3ceb458f 2570 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2571 },
d01612f3
CM		 2572 {
2573 .name = "atomic",
2574 .lname = "Atomic I/O",
2575 .type = FIO_OPT_BOOL,
a609f12a 2576 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2577 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2578 .def = "0",
2579 .category = FIO_OPT_C_IO,
2580 .group = FIO_OPT_G_IO_TYPE,
2581 },
214e1eca
JA		 2582 {
2583 .name = "buffered",
e8b0e958 2584 .lname = "Buffered I/O",
214e1eca 2585 .type = FIO_OPT_BOOL,
a609f12a 2586 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2587 .neg = 1,
2588 .help = "Use buffered IO (negates direct)",
2589 .def = "1",
a01a1bc5 2590 .inverse = "direct",
e8b0e958 2591 .category = FIO_OPT_C_IO,
3ceb458f 2592 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2593 },
2594 {
2595 .name = "overwrite",
e8b0e958 2596 .lname = "Overwrite",
214e1eca 2597 .type = FIO_OPT_BOOL,
a609f12a 2598 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2599 .help = "When writing, set whether to overwrite current data",
2600 .def = "0",
e8b0e958
JA		 2601 .category = FIO_OPT_C_FILE,
2602 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2603 },
2604 {
2605 .name = "loops",
e8b0e958 2606 .lname = "Loops",
214e1eca 2607 .type = FIO_OPT_INT,
a609f12a 2608 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2609 .help = "Number of times to run the job",
2610 .def = "1",
20eb06bd 2611 .interval = 1,
e8b0e958 2612 .category = FIO_OPT_C_GENERAL,
a1f6afec 2613 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2614 },
2615 {
2616 .name = "numjobs",
e8b0e958 2617 .lname = "Number of jobs",
214e1eca 2618 .type = FIO_OPT_INT,
a609f12a 2619 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2620 .help = "Duplicate this job this many times",
2621 .def = "1",
20eb06bd 2622 .interval = 1,
e8b0e958 2623 .category = FIO_OPT_C_GENERAL,
a1f6afec 2624 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2625 },
2626 {
2627 .name = "startdelay",
e8b0e958 2628 .lname = "Start delay",
a5737c93 2629 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2630 .off1 = offsetof(struct thread_options, start_delay),
2631 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2632 .help = "Only start job when this period has passed",
2633 .def = "0",
0de5b26f 2634 .is_seconds = 1,
88038bc7 2635 .is_time = 1,
e8b0e958 2636 .category = FIO_OPT_C_GENERAL,
a1f6afec 2637 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2638 },
2639 {
2640 .name = "runtime",
e8b0e958 2641 .lname = "Runtime",
214e1eca
JA		 2642 .alias = "timeout",
2643 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2644 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2645 .help = "Stop workload when this amount of time has passed",
2646 .def = "0",
0de5b26f 2647 .is_seconds = 1,
88038bc7 2648 .is_time = 1,
e8b0e958 2649 .category = FIO_OPT_C_GENERAL,
a1f6afec 2650 .group = FIO_OPT_G_RUNTIME,
214e1eca 2651 },
cf4464ca
JA		 2652 {
2653 .name = "time_based",
e8b0e958 2654 .lname = "Time based",
cf4464ca 2655 .type = FIO_OPT_STR_SET,
a609f12a 2656 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2657 .help = "Keep running until runtime/timeout is met",
e8b0e958 2658 .category = FIO_OPT_C_GENERAL,
a1f6afec 2659 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2660 },
62167762
JC		 2661 {
2662 .name = "verify_only",
2663 .lname = "Verify only",
2664 .type = FIO_OPT_STR_SET,
a609f12a 2665 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2666 .help = "Verifies previously written data is still valid",
2667 .category = FIO_OPT_C_GENERAL,
2668 .group = FIO_OPT_G_RUNTIME,
2669 },
721938ae
JA		 2670 {
2671 .name = "ramp_time",
e8b0e958 2672 .lname = "Ramp time",
721938ae 2673 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2674 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2675 .help = "Ramp up time before measuring performance",
0de5b26f 2676 .is_seconds = 1,
88038bc7 2677 .is_time = 1,
e8b0e958 2678 .category = FIO_OPT_C_GENERAL,
a1f6afec 2679 .group = FIO_OPT_G_RUNTIME,
721938ae 2680 },
c223da83
JA		 2681 {
2682 .name = "clocksource",
e8b0e958 2683 .lname = "Clock source",
c223da83
JA		 2684 .type = FIO_OPT_STR,
2685 .cb = fio_clock_source_cb,
a609f12a 2686 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2687 .help = "What type of timing source to use",
e8b0e958 2688 .category = FIO_OPT_C_GENERAL,
10860056 2689 .group = FIO_OPT_G_CLOCK,
c223da83 2690 .posval = {
67bf9823 2691#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2692 { .ival = "gettimeofday",
2693 .oval = CS_GTOD,
2694 .help = "Use gettimeofday(2) for timing",
2695 },
67bf9823
JA		 2696#endif
2697#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2698 { .ival = "clock_gettime",
2699 .oval = CS_CGETTIME,
2700 .help = "Use clock_gettime(2) for timing",
2701 },
67bf9823 2702#endif
c223da83
JA		 2703#ifdef ARCH_HAVE_CPU_CLOCK
2704 { .ival = "cpu",
2705 .oval = CS_CPUCLOCK,
2706 .help = "Use CPU private clock",
2707 },
2708#endif
2709 },
2710 },
214e1eca
JA		 2711 {
2712 .name = "mem",
d3aad8f2 2713 .alias = "iomem",
e8b0e958 2714 .lname = "I/O Memory",
214e1eca
JA		 2715 .type = FIO_OPT_STR,
2716 .cb = str_mem_cb,
a609f12a 2717 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2718 .help = "Backing type for IO buffers",
2719 .def = "malloc",
e8b0e958
JA		 2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2722 .posval = {
2723 { .ival = "malloc",
2724 .oval = MEM_MALLOC,
2725 .help = "Use malloc(3) for IO buffers",
2726 },
c8931876 2727#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2728 { .ival = "shm",
2729 .oval = MEM_SHM,
2730 .help = "Use shared memory segments for IO buffers",
2731 },
214e1eca
JA		 2732#ifdef FIO_HAVE_HUGETLB
2733 { .ival = "shmhuge",
2734 .oval = MEM_SHMHUGE,
2735 .help = "Like shm, but use huge pages",
2736 },
c8931876 2737#endif
b370e46a 2738#endif
37c8cdfe
JA		 2739 { .ival = "mmap",
2740 .oval = MEM_MMAP,
2741 .help = "Use mmap(2) (file or anon) for IO buffers",
2742 },
217b0f1d
LG		 2743 { .ival = "mmapshared",
2744 .oval = MEM_MMAPSHARED,
2745 .help = "Like mmap, but use the shared flag",
2746 },
214e1eca
JA		 2747#ifdef FIO_HAVE_HUGETLB
2748 { .ival = "mmaphuge",
2749 .oval = MEM_MMAPHUGE,
2750 .help = "Like mmap, but use huge pages",
2751 },
03553853
YR		 2752#endif
2753#ifdef CONFIG_CUDA
2754 { .ival = "cudamalloc",
2755 .oval = MEM_CUDA_MALLOC,
2756 .help = "Allocate GPU device memory for GPUDirect RDMA",
2757 },
214e1eca
JA		 2758#endif
2759 },
2760 },
d529ee19
JA		 2761 {
2762 .name = "iomem_align",
2763 .alias = "mem_align",
e8b0e958 2764 .lname = "I/O memory alignment",
d529ee19 2765 .type = FIO_OPT_INT,
a609f12a 2766 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2767 .minval = 0,
2768 .help = "IO memory buffer offset alignment",
2769 .def = "0",
2770 .parent = "iomem",
d71c154c 2771 .hide = 1,
e8b0e958
JA		 2772 .category = FIO_OPT_C_IO,
2773 .group = FIO_OPT_G_INVALID,
d529ee19 2774 },
214e1eca
JA		 2775 {
2776 .name = "verify",
e8b0e958 2777 .lname = "Verify",
214e1eca 2778 .type = FIO_OPT_STR,
a609f12a 2779 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2780 .help = "Verify data written",
2781 .def = "0",
e8b0e958 2782 .category = FIO_OPT_C_IO,
3ceb458f 2783 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2784 .posval = {
2785 { .ival = "0",
2786 .oval = VERIFY_NONE,
2787 .help = "Don't do IO verification",
2788 },
fcca4b58
JA		 2789 { .ival = "md5",
2790 .oval = VERIFY_MD5,
2791 .help = "Use md5 checksums for verification",
2792 },
d77a7af3
JA		 2793 { .ival = "crc64",
2794 .oval = VERIFY_CRC64,
2795 .help = "Use crc64 checksums for verification",
2796 },
214e1eca
JA		 2797 { .ival = "crc32",
2798 .oval = VERIFY_CRC32,
2799 .help = "Use crc32 checksums for verification",
2800 },
af497e6a 2801 { .ival = "crc32c-intel",
e3aaafc4
JA		 2802 .oval = VERIFY_CRC32C,
2803 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2804 },
bac39e0e
JA		 2805 { .ival = "crc32c",
2806 .oval = VERIFY_CRC32C,
e3aaafc4 2807 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2808 },
969f7ed3
JA		 2809 { .ival = "crc16",
2810 .oval = VERIFY_CRC16,
2811 .help = "Use crc16 checksums for verification",
2812 },
1e154bdb
JA		 2813 { .ival = "crc7",
2814 .oval = VERIFY_CRC7,
2815 .help = "Use crc7 checksums for verification",
2816 },
7c353ceb
JA		 2817 { .ival = "sha1",
2818 .oval = VERIFY_SHA1,
2819 .help = "Use sha1 checksums for verification",
2820 },
cd14cc10
JA		 2821 { .ival = "sha256",
2822 .oval = VERIFY_SHA256,
2823 .help = "Use sha256 checksums for verification",
2824 },
2825 { .ival = "sha512",
2826 .oval = VERIFY_SHA512,
2827 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2828 },
2829 { .ival = "sha3-224",
2830 .oval = VERIFY_SHA3_224,
2831 .help = "Use sha3-224 checksums for verification",
2832 },
2833 { .ival = "sha3-256",
2834 .oval = VERIFY_SHA3_256,
2835 .help = "Use sha3-256 checksums for verification",
2836 },
2837 { .ival = "sha3-384",
2838 .oval = VERIFY_SHA3_384,
2839 .help = "Use sha3-384 checksums for verification",
2840 },
2841 { .ival = "sha3-512",
2842 .oval = VERIFY_SHA3_512,
2843 .help = "Use sha3-512 checksums for verification",
cd14cc10 2844 },
844ea602
JA		 2845 { .ival = "xxhash",
2846 .oval = VERIFY_XXHASH,
2847 .help = "Use xxhash checksums for verification",
2848 },
b638d82f
RP		 2849 /* Meta information was included into verify_header,
2850 * 'meta' verification is implied by default. */
7437ee87 2851 { .ival = "meta",
b638d82f
RP		 2852 .oval = VERIFY_HDR_ONLY,
2853 .help = "Use io information for verification. "
2854 "Now is implied by default, thus option is obsolete, "
2855 "don't use it",
7437ee87 2856 },
59245381
JA		 2857 { .ival = "pattern",
2858 .oval = VERIFY_PATTERN_NO_HDR,
2859 .help = "Verify strict pattern",
2860 },
36690c9b
JA		 2861 {
2862 .ival = "null",
2863 .oval = VERIFY_NULL,
2864 .help = "Pretend to verify",
2865 },
214e1eca
JA		 2866 },
2867 },
005c565a
JA		 2868 {
2869 .name = "do_verify",
e8b0e958 2870 .lname = "Perform verify step",
68e1f29a 2871 .type = FIO_OPT_BOOL,
a609f12a 2872 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2873 .help = "Run verification stage after write",
2874 .def = "1",
2875 .parent = "verify",
d71c154c 2876 .hide = 1,
e8b0e958
JA		 2877 .category = FIO_OPT_C_IO,
2878 .group = FIO_OPT_G_VERIFY,
005c565a 2879 },
160b966d
JA		 2880 {
2881 .name = "verifysort",
e8b0e958 2882 .lname = "Verify sort",
f31feaa2 2883 .type = FIO_OPT_SOFT_DEPRECATED,
e8b0e958
JA		 2884 .category = FIO_OPT_C_IO,
2885 .group = FIO_OPT_G_VERIFY,
160b966d 2886 },
1ae83d45
JA		 2887 {
2888 .name = "verifysort_nr",
cce2fdfe 2889 .lname = "Verify Sort Nr",
f31feaa2 2890 .type = FIO_OPT_SOFT_DEPRECATED,
836fcc0f
JA		 2891 .category = FIO_OPT_C_IO,
2892 .group = FIO_OPT_G_VERIFY,
1ae83d45 2893 },
3f9f4e26 2894 {
a59e170d 2895 .name = "verify_interval",
e8b0e958 2896 .lname = "Verify interval",
e01b22b8 2897 .type = FIO_OPT_INT,
a609f12a 2898 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2899 .minval = 2 * sizeof(struct verify_header),
a59e170d 2900 .help = "Store verify buffer header every N bytes",
afdf9352 2901 .parent = "verify",
d71c154c 2902 .hide = 1,
20eb06bd 2903 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2904 .category = FIO_OPT_C_IO,
2905 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2906 },
546a9142 2907 {
a59e170d 2908 .name = "verify_offset",
e8b0e958 2909 .lname = "Verify offset",
e01b22b8 2910 .type = FIO_OPT_INT,
a59e170d 2911 .help = "Offset verify header location by N bytes",
a609f12a 2912 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2913 .minval = sizeof(struct verify_header),
afdf9352 2914 .parent = "verify",
d71c154c 2915 .hide = 1,
e8b0e958
JA		 2916 .category = FIO_OPT_C_IO,
2917 .group = FIO_OPT_G_VERIFY,
546a9142 2918 },
e28218f3
SL		 2919 {
2920 .name = "verify_pattern",
e8b0e958 2921 .lname = "Verify pattern",
0e92f873 2922 .type = FIO_OPT_STR,
e28218f3 2923 .cb = str_verify_pattern_cb,
a609f12a 2924 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2925 .help = "Fill pattern for IO buffers",
2926 .parent = "verify",
d71c154c 2927 .hide = 1,
e8b0e958
JA		 2928 .category = FIO_OPT_C_IO,
2929 .group = FIO_OPT_G_VERIFY,
e28218f3 2930 },
a12a3b4d
JA		 2931 {
2932 .name = "verify_fatal",
e8b0e958 2933 .lname = "Verify fatal",
68e1f29a 2934 .type = FIO_OPT_BOOL,
a609f12a 2935 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2936 .def = "0",
2937 .help = "Exit on a single verify failure, don't continue",
2938 .parent = "verify",
d71c154c 2939 .hide = 1,
e8b0e958
JA		 2940 .category = FIO_OPT_C_IO,
2941 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2942 },
b463e936
JA		 2943 {
2944 .name = "verify_dump",
e8b0e958 2945 .lname = "Verify dump",
b463e936 2946 .type = FIO_OPT_BOOL,
a609f12a 2947 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2948 .def = "0",
b463e936
JA		 2949 .help = "Dump contents of good and bad blocks on failure",
2950 .parent = "verify",
d71c154c 2951 .hide = 1,
e8b0e958
JA		 2952 .category = FIO_OPT_C_IO,
2953 .group = FIO_OPT_G_VERIFY,
b463e936 2954 },
e8462bd8
JA		 2955 {
2956 .name = "verify_async",
e8b0e958 2957 .lname = "Verify asynchronously",
e8462bd8 2958 .type = FIO_OPT_INT,
a609f12a 2959 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2960 .def = "0",
2961 .help = "Number of async verifier threads to use",
2962 .parent = "verify",
d71c154c 2963 .hide = 1,
e8b0e958
JA		 2964 .category = FIO_OPT_C_IO,
2965 .group = FIO_OPT_G_VERIFY,
e8462bd8 2966 },
9e144189
JA		 2967 {
2968 .name = "verify_backlog",
e8b0e958 2969 .lname = "Verify backlog",
9e144189 2970 .type = FIO_OPT_STR_VAL,
a609f12a 2971 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2972 .help = "Verify after this number of blocks are written",
2973 .parent = "verify",
d71c154c 2974 .hide = 1,
e8b0e958
JA		 2975 .category = FIO_OPT_C_IO,
2976 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2977 },
2978 {
2979 .name = "verify_backlog_batch",
e8b0e958 2980 .lname = "Verify backlog batch",
9e144189 2981 .type = FIO_OPT_INT,
a609f12a 2982 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2983 .help = "Verify this number of IO blocks",
0d29de83 2984 .parent = "verify",
d71c154c 2985 .hide = 1,
e8b0e958
JA		 2986 .category = FIO_OPT_C_IO,
2987 .group = FIO_OPT_G_VERIFY,
9e144189 2988 },
e8462bd8
JA		 2989#ifdef FIO_HAVE_CPU_AFFINITY
2990 {
2991 .name = "verify_async_cpus",
e8b0e958 2992 .lname = "Async verify CPUs",
e8462bd8
JA		 2993 .type = FIO_OPT_STR,
2994 .cb = str_verify_cpus_allowed_cb,
a609f12a 2995 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2996 .help = "Set CPUs allowed for async verify threads",
2997 .parent = "verify_async",
d71c154c 2998 .hide = 1,
e8b0e958
JA		 2999 .category = FIO_OPT_C_IO,
3000 .group = FIO_OPT_G_VERIFY,
e8462bd8 3001 },
a275c37a
JA		 3002#else
3003 {
3004 .name = "verify_async_cpus",
3005 .lname = "Async verify CPUs",
3006 .type = FIO_OPT_UNSUPPORTED,
54d0a315 3007 .help = "Your platform does not support CPU affinities",
a275c37a 3008 },
0d29de83 3009#endif
51aa2da8
JA		 3010 {
3011 .name = "experimental_verify",
cce2fdfe 3012 .lname = "Experimental Verify",
a609f12a 3013 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 3014 .type = FIO_OPT_BOOL,
b31eaac9 3015 .help = "Enable experimental verification",
ca09be4b
JA		 3016 .parent = "verify",
3017 .category = FIO_OPT_C_IO,
3018 .group = FIO_OPT_G_VERIFY,
3019 },
3020 {
3021 .name = "verify_state_load",
3022 .lname = "Load verify state",
a609f12a 3023 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 3024 .type = FIO_OPT_BOOL,
3025 .help = "Load verify termination state",
3026 .parent = "verify",
3027 .category = FIO_OPT_C_IO,
3028 .group = FIO_OPT_G_VERIFY,
3029 },
3030 {
3031 .name = "verify_state_save",
3032 .lname = "Save verify state",
a609f12a 3033 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 3034 .type = FIO_OPT_BOOL,
3035 .def = "1",
3036 .help = "Save verify state on termination",
3037 .parent = "verify",
836fcc0f
JA		 3038 .category = FIO_OPT_C_IO,
3039 .group = FIO_OPT_G_VERIFY,
51aa2da8 3040 },
0d29de83
JA		 3041#ifdef FIO_HAVE_TRIM
3042 {
3043 .name = "trim_percentage",
e8b0e958 3044 .lname = "Trim percentage",
0d29de83 3045 .type = FIO_OPT_INT,
a609f12a 3046 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 3047 .minval = 0,
0d29de83 3048 .maxval = 100,
169c098d 3049 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 3050 .parent = "verify",
3051 .def = "0",
20eb06bd 3052 .interval = 1,
d71c154c 3053 .hide = 1,
e8b0e958
JA		 3054 .category = FIO_OPT_C_IO,
3055 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3056 },
3057 {
3058 .name = "trim_verify_zero",
e8b0e958 3059 .lname = "Verify trim zero",
20eb06bd 3060 .type = FIO_OPT_BOOL,
169c098d 3061 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3062 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3063 .parent = "trim_percentage",
d71c154c 3064 .hide = 1,
0d29de83 3065 .def = "1",
e8b0e958
JA		 3066 .category = FIO_OPT_C_IO,
3067 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3068 },
3069 {
3070 .name = "trim_backlog",
e8b0e958 3071 .lname = "Trim backlog",
0d29de83 3072 .type = FIO_OPT_STR_VAL,
a609f12a 3073 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 3074 .help = "Trim after this number of blocks are written",
3075 .parent = "trim_percentage",
d71c154c 3076 .hide = 1,
20eb06bd 3077 .interval = 1,
e8b0e958
JA		 3078 .category = FIO_OPT_C_IO,
3079 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3080 },
3081 {
3082 .name = "trim_backlog_batch",
e8b0e958 3083 .lname = "Trim backlog batch",
0d29de83 3084 .type = FIO_OPT_INT,
a609f12a 3085 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 3086 .help = "Trim this number of IO blocks",
3087 .parent = "trim_percentage",
d71c154c 3088 .hide = 1,
20eb06bd 3089 .interval = 1,
e8b0e958
JA		 3090 .category = FIO_OPT_C_IO,
3091 .group = FIO_OPT_G_TRIM,
0d29de83 3092 },
a275c37a
JA		 3093#else
3094 {
3095 .name = "trim_percentage",
3096 .lname = "Trim percentage",
3097 .type = FIO_OPT_UNSUPPORTED,
3098 .help = "Fio does not support TRIM on your platform",
3099 },
3100 {
3101 .name = "trim_verify_zero",
3102 .lname = "Verify trim zero",
3103 .type = FIO_OPT_UNSUPPORTED,
3104 .help = "Fio does not support TRIM on your platform",
3105 },
3106 {
3107 .name = "trim_backlog",
3108 .lname = "Trim backlog",
3109 .type = FIO_OPT_UNSUPPORTED,
3110 .help = "Fio does not support TRIM on your platform",
3111 },
3112 {
3113 .name = "trim_backlog_batch",
3114 .lname = "Trim backlog batch",
3115 .type = FIO_OPT_UNSUPPORTED,
3116 .help = "Fio does not support TRIM on your platform",
3117 },
e8462bd8 3118#endif
214e1eca
JA		 3119 {
3120 .name = "write_iolog",
e8b0e958 3121 .lname = "Write I/O log",
214e1eca 3122 .type = FIO_OPT_STR_STORE,
a609f12a 3123 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3124 .help = "Store IO pattern to file",
e8b0e958
JA		 3125 .category = FIO_OPT_C_IO,
3126 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3127 },
3128 {
3129 .name = "read_iolog",
e8b0e958 3130 .lname = "Read I/O log",
214e1eca 3131 .type = FIO_OPT_STR_STORE,
a609f12a 3132 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3133 .help = "Playback IO pattern from file",
e8b0e958
JA		 3134 .category = FIO_OPT_C_IO,
3135 .group = FIO_OPT_G_IOLOG,
214e1eca 3136 },
98e7161c
AK		 3137 {
3138 .name = "read_iolog_chunked",
3139 .lname = "Read I/O log in parts",
3140 .type = FIO_OPT_BOOL,
3141 .off1 = offsetof(struct thread_options, read_iolog_chunked),
3142 .def = "0",
3143 .parent = "read_iolog",
3144 .help = "Parse IO pattern in chunks",
3145 .category = FIO_OPT_C_IO,
3146 .group = FIO_OPT_G_IOLOG,
3147 },
64bbb865
DN		 3148 {
3149 .name = "replay_no_stall",
e8b0e958 3150 .lname = "Don't stall on replay",
20eb06bd 3151 .type = FIO_OPT_BOOL,
a609f12a 3152 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3153 .def = "0",
87e7a972 3154 .parent = "read_iolog",
d71c154c 3155 .hide = 1,
64bbb865 3156 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3157 .category = FIO_OPT_C_IO,
3158 .group = FIO_OPT_G_IOLOG,
64bbb865 3159 },
d1c46c04
DN		 3160 {
3161 .name = "replay_redirect",
e8b0e958 3162 .lname = "Redirect device for replay",
d1c46c04 3163 .type = FIO_OPT_STR_STORE,
a609f12a 3164 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3165 .parent = "read_iolog",
d71c154c 3166 .hide = 1,
d1c46c04 3167 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3168 .category = FIO_OPT_C_IO,
3169 .group = FIO_OPT_G_IOLOG,
d1c46c04 3170 },
0c63576e
JA		 3171 {
3172 .name = "replay_scale",
3173 .lname = "Replace offset scale factor",
3174 .type = FIO_OPT_INT,
a609f12a 3175 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3176 .parent = "read_iolog",
3177 .def = "1",
3178 .help = "Align offsets to this blocksize",
3179 .category = FIO_OPT_C_IO,
3180 .group = FIO_OPT_G_IOLOG,
3181 },
3182 {
3183 .name = "replay_align",
3184 .lname = "Replace alignment",
3185 .type = FIO_OPT_INT,
a609f12a 3186 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3187 .parent = "read_iolog",
3188 .help = "Scale offset down by this factor",
3189 .category = FIO_OPT_C_IO,
3190 .group = FIO_OPT_G_IOLOG,
3191 .pow2 = 1,
3192 },
6dd7fa77
JA		 3193 {
3194 .name = "replay_time_scale",
3195 .lname = "Replay Time Scale",
3196 .type = FIO_OPT_INT,
3197 .off1 = offsetof(struct thread_options, replay_time_scale),
3198 .def = "100",
3199 .minval = 1,
3200 .parent = "read_iolog",
3201 .hide = 1,
3202 .help = "Scale time for replay events",
3203 .category = FIO_OPT_C_IO,
3204 .group = FIO_OPT_G_IOLOG,
3205 },
d7235efb
JA		 3206 {
3207 .name = "replay_skip",
3208 .lname = "Replay Skip",
3209 .type = FIO_OPT_STR,
3210 .cb = str_replay_skip_cb,
3211 .off1 = offsetof(struct thread_options, replay_skip),
3212 .parent = "read_iolog",
3213 .help = "Skip certain IO types (read,write,trim,flush)",
3214 .category = FIO_OPT_C_IO,
3215 .group = FIO_OPT_G_IOLOG,
3216 },
214e1eca
JA		 3217 {
3218 .name = "exec_prerun",
e8b0e958 3219 .lname = "Pre-execute runnable",
214e1eca 3220 .type = FIO_OPT_STR_STORE,
a609f12a 3221 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3222 .help = "Execute this file prior to running job",
e8b0e958
JA		 3223 .category = FIO_OPT_C_GENERAL,
3224 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3225 },
3226 {
3227 .name = "exec_postrun",
e8b0e958 3228 .lname = "Post-execute runnable",
214e1eca 3229 .type = FIO_OPT_STR_STORE,
a609f12a 3230 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3231 .help = "Execute this file after running job",
e8b0e958
JA		 3232 .category = FIO_OPT_C_GENERAL,
3233 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3234 },
3235#ifdef FIO_HAVE_IOSCHED_SWITCH
3236 {
3237 .name = "ioscheduler",
e8b0e958 3238 .lname = "I/O scheduler",
214e1eca 3239 .type = FIO_OPT_STR_STORE,
a609f12a 3240 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3241 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3242 .category = FIO_OPT_C_FILE,
3243 .group = FIO_OPT_G_INVALID,
214e1eca 3244 },
a275c37a
JA		 3245#else
3246 {
3247 .name = "ioscheduler",
3248 .lname = "I/O scheduler",
3249 .type = FIO_OPT_UNSUPPORTED,
3250 .help = "Your platform does not support IO scheduler switching",
3251 },
214e1eca
JA		 3252#endif
3253 {
3254 .name = "zonesize",
e8b0e958 3255 .lname = "Zone size",
214e1eca 3256 .type = FIO_OPT_STR_VAL,
a609f12a 3257 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3258 .help = "Amount of data to read per zone",
3259 .def = "0",
20eb06bd 3260 .interval = 1024 * 1024,
e8b0e958
JA		 3261 .category = FIO_OPT_C_IO,
3262 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3263 },
3264 {
3265 .name = "zonerange",
e8b0e958 3266 .lname = "Zone range",
ed335855 3267 .type = FIO_OPT_STR_VAL,
a609f12a 3268 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3269 .help = "Give size of an IO zone",
3270 .def = "0",
20eb06bd 3271 .interval = 1024 * 1024,
e8b0e958
JA		 3272 .category = FIO_OPT_C_IO,
3273 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3274 },
3275 {
3276 .name = "zoneskip",
e8b0e958 3277 .lname = "Zone skip",
214e1eca 3278 .type = FIO_OPT_STR_VAL,
a609f12a 3279 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3280 .help = "Space between IO zones",
3281 .def = "0",
20eb06bd 3282 .interval = 1024 * 1024,
e8b0e958
JA		 3283 .category = FIO_OPT_C_IO,
3284 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3285 },
3286 {
3287 .name = "lockmem",
e8b0e958 3288 .lname = "Lock memory",
214e1eca 3289 .type = FIO_OPT_STR_VAL,
a609f12a 3290 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3291 .help = "Lock down this amount of memory (per worker)",
214e1eca 3292 .def = "0",
20eb06bd 3293 .interval = 1024 * 1024,
e8b0e958
JA		 3294 .category = FIO_OPT_C_GENERAL,
3295 .group = FIO_OPT_G_INVALID,
214e1eca 3296 },
214e1eca
JA		 3297 {
3298 .name = "rwmixread",
e8b0e958 3299 .lname = "Read/write mix read",
214e1eca 3300 .type = FIO_OPT_INT,
cb499fc4 3301 .cb = str_rwmix_read_cb,
a609f12a 3302 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3303 .maxval = 100,
3304 .help = "Percentage of mixed workload that is reads",
3305 .def = "50",
20eb06bd 3306 .interval = 5,
90265353 3307 .inverse = "rwmixwrite",
e8b0e958
JA		 3308 .category = FIO_OPT_C_IO,
3309 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3310 },
3311 {
3312 .name = "rwmixwrite",
e8b0e958 3313 .lname = "Read/write mix write",
214e1eca 3314 .type = FIO_OPT_INT,
cb499fc4 3315 .cb = str_rwmix_write_cb,
a609f12a 3316 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3317 .maxval = 100,
3318 .help = "Percentage of mixed workload that is writes",
3319 .def = "50",
20eb06bd 3320 .interval = 5,
90265353 3321 .inverse = "rwmixread",
e8b0e958
JA		 3322 .category = FIO_OPT_C_IO,
3323 .group = FIO_OPT_G_RWMIX,
214e1eca 3324 },
afdf9352
JA		 3325 {
3326 .name = "rwmixcycle",
e8b0e958 3327 .lname = "Read/write mix cycle",
15ca150e 3328 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3329 .category = FIO_OPT_C_IO,
3330 .group = FIO_OPT_G_RWMIX,
afdf9352 3331 },
214e1eca
JA		 3332 {
3333 .name = "nice",
e8b0e958 3334 .lname = "Nice",
214e1eca 3335 .type = FIO_OPT_INT,
a609f12a 3336 .off1 = offsetof(struct thread_options, nice),
214e1eca 3337 .help = "Set job CPU nice value",
11fd6aa8
RC		 3338 .minval = -20,
3339 .maxval = 19,
214e1eca 3340 .def = "0",
20eb06bd 3341 .interval = 1,
e8b0e958 3342 .category = FIO_OPT_C_GENERAL,
10860056 3343 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3344 },
3345#ifdef FIO_HAVE_IOPRIO
3346 {
3347 .name = "prio",
e8b0e958 3348 .lname = "I/O nice priority",
214e1eca 3349 .type = FIO_OPT_INT,
a609f12a 3350 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3351 .help = "Set job IO priority value",
1767bd34
TK		 3352 .minval = IOPRIO_MIN_PRIO,
3353 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3354 .interval = 1,
e8b0e958 3355 .category = FIO_OPT_C_GENERAL,
10860056 3356 .group = FIO_OPT_G_CRED,
214e1eca 3357 },
32ef447a
TK		 3358#else
3359 {
3360 .name = "prio",
3361 .lname = "I/O nice priority",
3362 .type = FIO_OPT_UNSUPPORTED,
3363 .help = "Your platform does not support IO priorities",
3364 },
3365#endif
3366#ifdef FIO_HAVE_IOPRIO_CLASS
3367#ifndef FIO_HAVE_IOPRIO
3368#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3369#endif
214e1eca
JA		 3370 {
3371 .name = "prioclass",
e8b0e958 3372 .lname = "I/O nice priority class",
214e1eca 3373 .type = FIO_OPT_INT,
a609f12a 3374 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3375 .help = "Set job IO priority class",
1767bd34
TK		 3376 .minval = IOPRIO_MIN_PRIO_CLASS,
3377 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3378 .interval = 1,
e8b0e958 3379 .category = FIO_OPT_C_GENERAL,
10860056 3380 .group = FIO_OPT_G_CRED,
214e1eca 3381 },
a275c37a 3382#else
a275c37a
JA		 3383 {
3384 .name = "prioclass",
3385 .lname = "I/O nice priority class",
3386 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3387 .help = "Your platform does not support IO priority classes",
a275c37a 3388 },
214e1eca
JA		 3389#endif
3390 {
3391 .name = "thinktime",
e8b0e958 3392 .lname = "Thinktime",
214e1eca 3393 .type = FIO_OPT_INT,
a609f12a 3394 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3395 .help = "Idle time between IO buffers (usec)",
3396 .def = "0",
88038bc7 3397 .is_time = 1,
e8b0e958 3398 .category = FIO_OPT_C_IO,
3ceb458f 3399 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3400 },
3401 {
3402 .name = "thinktime_spin",
e8b0e958 3403 .lname = "Thinktime spin",
214e1eca 3404 .type = FIO_OPT_INT,
a609f12a 3405 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3406 .help = "Start think time by spinning this amount (usec)",
3407 .def = "0",
88038bc7 3408 .is_time = 1,
afdf9352 3409 .parent = "thinktime",
d71c154c 3410 .hide = 1,
e8b0e958 3411 .category = FIO_OPT_C_IO,
3ceb458f 3412 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3413 },
3414 {
3415 .name = "thinktime_blocks",
e8b0e958 3416 .lname = "Thinktime blocks",
214e1eca 3417 .type = FIO_OPT_INT,
a609f12a 3418 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3419 .help = "IO buffer period between 'thinktime'",
3420 .def = "1",
afdf9352 3421 .parent = "thinktime",
d71c154c 3422 .hide = 1,
e8b0e958 3423 .category = FIO_OPT_C_IO,
3ceb458f 3424 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3425 },
3426 {
3427 .name = "rate",
e8b0e958 3428 .lname = "I/O rate",
e01b22b8 3429 .type = FIO_OPT_INT,
a609f12a
JA		 3430 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3431 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3432 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3433 .help = "Set bandwidth rate",
e8b0e958
JA		 3434 .category = FIO_OPT_C_IO,
3435 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3436 },
3437 {
6d428bcd
JA		 3438 .name = "rate_min",
3439 .alias = "ratemin",
e8b0e958 3440 .lname = "I/O min rate",
e01b22b8 3441 .type = FIO_OPT_INT,
a609f12a
JA		 3442 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3443 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3444 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3445 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3446 .parent = "rate",
d71c154c 3447 .hide = 1,
e8b0e958
JA		 3448 .category = FIO_OPT_C_IO,
3449 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3450 },
3451 {
3452 .name = "rate_iops",
e8b0e958 3453 .lname = "I/O rate IOPS",
e01b22b8 3454 .type = FIO_OPT_INT,
a609f12a
JA		 3455 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3456 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3457 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3458 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3459 .hide = 1,
e8b0e958
JA		 3460 .category = FIO_OPT_C_IO,
3461 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3462 },
3463 {
3464 .name = "rate_iops_min",
e8b0e958 3465 .lname = "I/O min rate IOPS",
e01b22b8 3466 .type = FIO_OPT_INT,
a609f12a
JA		 3467 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3468 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3469 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3470 .help = "Job must meet this rate or it will be shut down",
afdf9352 3471 .parent = "rate_iops",
d71c154c 3472 .hide = 1,
e8b0e958
JA		 3473 .category = FIO_OPT_C_IO,
3474 .group = FIO_OPT_G_RATE,
214e1eca 3475 },
ff6bb260 3476 {
6de65959
JA		 3477 .name = "rate_process",
3478 .lname = "Rate Process",
3479 .type = FIO_OPT_STR,
a609f12a 3480 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3481 .help = "What process controls how rated IO is managed",
3482 .def = "linear",
ff6bb260
SL		 3483 .category = FIO_OPT_C_IO,
3484 .group = FIO_OPT_G_RATE,
6de65959
JA		 3485 .posval = {
3486 { .ival = "linear",
3487 .oval = RATE_PROCESS_LINEAR,
3488 .help = "Linear rate of IO",
3489 },
3490 {
3491 .ival = "poisson",
3492 .oval = RATE_PROCESS_POISSON,
3493 .help = "Rate follows Poisson process",
3494 },
3495 },
3496 .parent = "rate",
ff6bb260 3497 },
214e1eca 3498 {
6d428bcd
JA		 3499 .name = "rate_cycle",
3500 .alias = "ratecycle",
e8b0e958 3501 .lname = "I/O rate cycle",
214e1eca 3502 .type = FIO_OPT_INT,
a609f12a 3503 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3504 .help = "Window average for rate limits (msec)",
3505 .def = "1000",
afdf9352 3506 .parent = "rate",
d71c154c 3507 .hide = 1,
e8b0e958
JA		 3508 .category = FIO_OPT_C_IO,
3509 .group = FIO_OPT_G_RATE,
214e1eca 3510 },
1a9bf814
JA		 3511 {
3512 .name = "rate_ignore_thinktime",
3513 .lname = "Rate ignore thinktime",
3514 .type = FIO_OPT_BOOL,
3515 .off1 = offsetof(struct thread_options, rate_ign_think),
3516 .help = "Rated IO ignores thinktime settings",
3517 .parent = "rate",
3518 .category = FIO_OPT_C_IO,
3519 .group = FIO_OPT_G_RATE,
3520 },
15501535
JA		 3521 {
3522 .name = "max_latency",
dd97d866 3523 .lname = "Max Latency (usec)",
6c3fb04c 3524 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3525 .off1 = offsetof(struct thread_options, max_latency),
15501535 3526 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3527 .is_time = 1,
1e5324e7 3528 .category = FIO_OPT_C_IO,
3e260a46
JA		 3529 .group = FIO_OPT_G_LATPROF,
3530 },
3531 {
3532 .name = "latency_target",
3533 .lname = "Latency Target (usec)",
3534 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3535 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3536 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3537 .is_time = 1,
3e260a46
JA		 3538 .category = FIO_OPT_C_IO,
3539 .group = FIO_OPT_G_LATPROF,
3540 },
3541 {
3542 .name = "latency_window",
3543 .lname = "Latency Window (usec)",
3544 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3545 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3546 .help = "Time to sustain latency_target",
88038bc7 3547 .is_time = 1,
3e260a46
JA		 3548 .category = FIO_OPT_C_IO,
3549 .group = FIO_OPT_G_LATPROF,
3550 },
3551 {
3552 .name = "latency_percentile",
3553 .lname = "Latency Percentile",
3554 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3555 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3556 .help = "Percentile of IOs must be below latency_target",
3557 .def = "100",
3558 .maxlen = 1,
3559 .minfp = 0.0,
3560 .maxfp = 100.0,
3561 .category = FIO_OPT_C_IO,
3562 .group = FIO_OPT_G_LATPROF,
15501535 3563 },
214e1eca
JA		 3564 {
3565 .name = "invalidate",
e8b0e958 3566 .lname = "Cache invalidate",
214e1eca 3567 .type = FIO_OPT_BOOL,
a609f12a 3568 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3569 .help = "Invalidate buffer/page cache prior to running job",
3570 .def = "1",
e8b0e958 3571 .category = FIO_OPT_C_IO,
3ceb458f 3572 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3573 },
3574 {
3575 .name = "sync",
e8b0e958 3576 .lname = "Synchronous I/O",
214e1eca 3577 .type = FIO_OPT_BOOL,
a609f12a 3578 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3579 .help = "Use O_SYNC for buffered writes",
3580 .def = "0",
67a1000f 3581 .parent = "buffered",
d71c154c 3582 .hide = 1,
e8b0e958 3583 .category = FIO_OPT_C_IO,
3ceb458f 3584 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3585 },
ae8e559e
JA		 3586#ifdef FIO_HAVE_WRITE_HINT
3587 {
3588 .name = "write_hint",
3589 .lname = "Write hint",
3590 .type = FIO_OPT_STR,
3591 .off1 = offsetof(struct thread_options, write_hint),
3592 .help = "Set expected write life time",
3593 .category = FIO_OPT_C_ENGINE,
3594 .group = FIO_OPT_G_INVALID,
3595 .posval = {
3596 { .ival = "none",
3597 .oval = RWH_WRITE_LIFE_NONE,
3598 },
3599 { .ival = "short",
3600 .oval = RWH_WRITE_LIFE_SHORT,
3601 },
3602 { .ival = "medium",
3603 .oval = RWH_WRITE_LIFE_MEDIUM,
3604 },
3605 { .ival = "long",
3606 .oval = RWH_WRITE_LIFE_LONG,
3607 },
3608 { .ival = "extreme",
3609 .oval = RWH_WRITE_LIFE_EXTREME,
3610 },
3611 },
3612 },
3613#endif
214e1eca
JA		 3614 {
3615 .name = "create_serialize",
e8b0e958 3616 .lname = "Create serialize",
214e1eca 3617 .type = FIO_OPT_BOOL,
a609f12a 3618 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3619 .help = "Serialize creation of job files",
214e1eca 3620 .def = "1",
e8b0e958
JA		 3621 .category = FIO_OPT_C_FILE,
3622 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3623 },
3624 {
3625 .name = "create_fsync",
e8b0e958 3626 .lname = "Create fsync",
214e1eca 3627 .type = FIO_OPT_BOOL,
a609f12a 3628 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3629 .help = "fsync file after creation",
214e1eca 3630 .def = "1",
e8b0e958
JA		 3631 .category = FIO_OPT_C_FILE,
3632 .group = FIO_OPT_G_INVALID,
214e1eca 3633 },
814452bd
JA		 3634 {
3635 .name = "create_on_open",
e8b0e958 3636 .lname = "Create on open",
814452bd 3637 .type = FIO_OPT_BOOL,
a609f12a 3638 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3639 .help = "Create files when they are opened for IO",
3640 .def = "0",
e8b0e958
JA		 3641 .category = FIO_OPT_C_FILE,
3642 .group = FIO_OPT_G_INVALID,
814452bd 3643 },
25460cf6
JA		 3644 {
3645 .name = "create_only",
cce2fdfe 3646 .lname = "Create Only",
25460cf6 3647 .type = FIO_OPT_BOOL,
a609f12a 3648 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3649 .help = "Only perform file creation phase",
d17fda71 3650 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3651 .def = "0",
3652 },
2378826d
JA		 3653 {
3654 .name = "allow_file_create",
e81ecca3 3655 .lname = "Allow file create",
2378826d 3656 .type = FIO_OPT_BOOL,
a609f12a 3657 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3658 .help = "Permit fio to create files, if they don't exist",
3659 .def = "1",
3660 .category = FIO_OPT_C_FILE,
3661 .group = FIO_OPT_G_FILENAME,
3662 },
e81ecca3
JA		 3663 {
3664 .name = "allow_mounted_write",
3665 .lname = "Allow mounted write",
3666 .type = FIO_OPT_BOOL,
a609f12a 3667 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3668 .help = "Allow writes to a mounted partition",
3669 .def = "0",
3670 .category = FIO_OPT_C_FILE,
3671 .group = FIO_OPT_G_FILENAME,
3672 },
0b9d69ec 3673 {
afad68f7 3674 .name = "pre_read",
e8b0e958 3675 .lname = "Pre-read files",
afad68f7 3676 .type = FIO_OPT_BOOL,
a609f12a 3677 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3678 .help = "Pre-read files before starting official testing",
afad68f7 3679 .def = "0",
e8b0e958
JA		 3680 .category = FIO_OPT_C_FILE,
3681 .group = FIO_OPT_G_INVALID,
afad68f7 3682 },
214e1eca
JA		 3683#ifdef FIO_HAVE_CPU_AFFINITY
3684 {
3685 .name = "cpumask",
e8b0e958 3686 .lname = "CPU mask",
214e1eca
JA		 3687 .type = FIO_OPT_INT,
3688 .cb = str_cpumask_cb,
a609f12a 3689 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3690 .help = "CPU affinity mask",
e8b0e958 3691 .category = FIO_OPT_C_GENERAL,
10860056 3692 .group = FIO_OPT_G_CRED,
214e1eca 3693 },
d2e268b0
JA		 3694 {
3695 .name = "cpus_allowed",
e8b0e958 3696 .lname = "CPUs allowed",
d2e268b0
JA		 3697 .type = FIO_OPT_STR,
3698 .cb = str_cpus_allowed_cb,
a609f12a 3699 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3700 .help = "Set CPUs allowed",
e8b0e958 3701 .category = FIO_OPT_C_GENERAL,
10860056 3702 .group = FIO_OPT_G_CRED,
d2e268b0 3703 },
c2acfbac
JA		 3704 {
3705 .name = "cpus_allowed_policy",
3706 .lname = "CPUs allowed distribution policy",
3707 .type = FIO_OPT_STR,
a609f12a 3708 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3709 .help = "Distribution policy for cpus_allowed",
3710 .parent = "cpus_allowed",
3711 .prio = 1,
3712 .posval = {
3713 { .ival = "shared",
3714 .oval = FIO_CPUS_SHARED,
3715 .help = "Mask shared between threads",
3716 },
3717 { .ival = "split",
3718 .oval = FIO_CPUS_SPLIT,
3719 .help = "Mask split between threads",
3720 },
3721 },
3722 .category = FIO_OPT_C_GENERAL,
3723 .group = FIO_OPT_G_CRED,
3724 },
a275c37a
JA		 3725#else
3726 {
3727 .name = "cpumask",
3728 .lname = "CPU mask",
3729 .type = FIO_OPT_UNSUPPORTED,
3730 .help = "Your platform does not support CPU affinities",
3731 },
3732 {
3733 .name = "cpus_allowed",
3734 .lname = "CPUs allowed",
3735 .type = FIO_OPT_UNSUPPORTED,
3736 .help = "Your platform does not support CPU affinities",
3737 },
3738 {
3739 .name = "cpus_allowed_policy",
3740 .lname = "CPUs allowed distribution policy",
3741 .type = FIO_OPT_UNSUPPORTED,
3742 .help = "Your platform does not support CPU affinities",
3743 },
d0b937ed 3744#endif
67bf9823 3745#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3746 {
3747 .name = "numa_cpu_nodes",
cce2fdfe 3748 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3749 .type = FIO_OPT_STR,
3750 .cb = str_numa_cpunodes_cb,
a609f12a 3751 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3752 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3753 .category = FIO_OPT_C_GENERAL,
3754 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3755 },
3756 {
3757 .name = "numa_mem_policy",
cce2fdfe 3758 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3759 .type = FIO_OPT_STR,
3760 .cb = str_numa_mpol_cb,
a609f12a 3761 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3762 .help = "NUMA memory policy setup",
6be54b2d
JA		 3763 .category = FIO_OPT_C_GENERAL,
3764 .group = FIO_OPT_G_INVALID,
d0b937ed 3765 },
a275c37a
JA		 3766#else
3767 {
3768 .name = "numa_cpu_nodes",
3769 .lname = "NUMA CPU Nodes",
3770 .type = FIO_OPT_UNSUPPORTED,
3771 .help = "Build fio with libnuma-dev(el) to enable this option",
3772 },
3773 {
3774 .name = "numa_mem_policy",
3775 .lname = "NUMA Memory Policy",
3776 .type = FIO_OPT_UNSUPPORTED,
3777 .help = "Build fio with libnuma-dev(el) to enable this option",
3778 },
03553853
YR		 3779#endif
3780#ifdef CONFIG_CUDA
3781 {
3782 .name = "gpu_dev_id",
3783 .lname = "GPU device ID",
3784 .type = FIO_OPT_INT,
3785 .off1 = offsetof(struct thread_options, gpu_dev_id),
3786 .help = "Set GPU device ID for GPUDirect RDMA",
3787 .def = "0",
3788 .category = FIO_OPT_C_GENERAL,
3789 .group = FIO_OPT_G_INVALID,
3790 },
214e1eca
JA		 3791#endif
3792 {
3793 .name = "end_fsync",
e8b0e958 3794 .lname = "End fsync",
214e1eca 3795 .type = FIO_OPT_BOOL,
a609f12a 3796 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3797 .help = "Include fsync at the end of job",
3798 .def = "0",
e8b0e958
JA		 3799 .category = FIO_OPT_C_FILE,
3800 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3801 },
3802 {
3803 .name = "fsync_on_close",
e8b0e958 3804 .lname = "Fsync on close",
214e1eca 3805 .type = FIO_OPT_BOOL,
a609f12a 3806 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3807 .help = "fsync files on close",
3808 .def = "0",
e8b0e958
JA		 3809 .category = FIO_OPT_C_FILE,
3810 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3811 },
3812 {
3813 .name = "unlink",
e8b0e958 3814 .lname = "Unlink file",
214e1eca 3815 .type = FIO_OPT_BOOL,
a609f12a 3816 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3817 .help = "Unlink created files after job has completed",
3818 .def = "0",
e8b0e958
JA		 3819 .category = FIO_OPT_C_FILE,
3820 .group = FIO_OPT_G_INVALID,
214e1eca 3821 },
39c1c323 3822 {
3823 .name = "unlink_each_loop",
3824 .lname = "Unlink file after each loop of a job",
3825 .type = FIO_OPT_BOOL,
a609f12a 3826 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3827 .help = "Unlink created files after each loop in a job has completed",
3828 .def = "0",
3829 .category = FIO_OPT_C_FILE,
3830 .group = FIO_OPT_G_INVALID,
3831 },
214e1eca
JA		 3832 {
3833 .name = "exitall",
e8b0e958 3834 .lname = "Exit-all on terminate",
214e1eca
JA		 3835 .type = FIO_OPT_STR_SET,
3836 .cb = str_exitall_cb,
3837 .help = "Terminate all jobs when one exits",
e8b0e958 3838 .category = FIO_OPT_C_GENERAL,
a1f6afec 3839 .group = FIO_OPT_G_PROCESS,
214e1eca 3840 },
f9cafb12
JA		 3841 {
3842 .name = "exitall_on_error",
3843 .lname = "Exit-all on terminate in error",
78abcf9b 3844 .type = FIO_OPT_STR_SET,
a609f12a 3845 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3846 .help = "Terminate all jobs when one exits in error",
3847 .category = FIO_OPT_C_GENERAL,
3848 .group = FIO_OPT_G_PROCESS,
3849 },
214e1eca
JA		 3850 {
3851 .name = "stonewall",
e8b0e958 3852 .lname = "Wait for previous",
d392365e 3853 .alias = "wait_for_previous",
214e1eca 3854 .type = FIO_OPT_STR_SET,
a609f12a 3855 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3856 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3857 .category = FIO_OPT_C_GENERAL,
a1f6afec 3858 .group = FIO_OPT_G_PROCESS,
214e1eca 3859 },
b3d62a75
JA		 3860 {
3861 .name = "new_group",
e8b0e958 3862 .lname = "New group",
b3d62a75 3863 .type = FIO_OPT_STR_SET,
a609f12a 3864 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3865 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3866 .category = FIO_OPT_C_GENERAL,
a1f6afec 3867 .group = FIO_OPT_G_PROCESS,
b3d62a75 3868 },
214e1eca
JA		 3869 {
3870 .name = "thread",
e8b0e958 3871 .lname = "Thread",
214e1eca 3872 .type = FIO_OPT_STR_SET,
a609f12a 3873 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3874 .help = "Use threads instead of processes",
c8931876
JA		 3875#ifdef CONFIG_NO_SHM
3876 .def = "1",
3877 .no_warn_def = 1,
3878#endif
e8b0e958 3879 .category = FIO_OPT_C_GENERAL,
a1f6afec 3880 .group = FIO_OPT_G_PROCESS,
214e1eca 3881 },
3a5db920
JA		 3882 {
3883 .name = "per_job_logs",
cce2fdfe 3884 .lname = "Per Job Logs",
3a5db920 3885 .type = FIO_OPT_BOOL,
a609f12a 3886 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3887 .help = "Include job number in generated log files or not",
3888 .def = "1",
3889 .category = FIO_OPT_C_LOG,
3890 .group = FIO_OPT_G_INVALID,
3891 },
214e1eca
JA		 3892 {
3893 .name = "write_bw_log",
e8b0e958 3894 .lname = "Write bandwidth log",
dded427c 3895 .type = FIO_OPT_STR,
a609f12a 3896 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3897 .cb = str_write_bw_log_cb,
214e1eca 3898 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3899 .category = FIO_OPT_C_LOG,
3900 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3901 },
3902 {
3903 .name = "write_lat_log",
e8b0e958 3904 .lname = "Write latency log",
dded427c 3905 .type = FIO_OPT_STR,
a609f12a 3906 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3907 .cb = str_write_lat_log_cb,
214e1eca 3908 .help = "Write log of latency during run",
e8b0e958
JA		 3909 .category = FIO_OPT_C_LOG,
3910 .group = FIO_OPT_G_INVALID,
214e1eca 3911 },
c8eeb9df
JA		 3912 {
3913 .name = "write_iops_log",
e8b0e958 3914 .lname = "Write IOPS log",
dded427c 3915 .type = FIO_OPT_STR,
a609f12a 3916 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3917 .cb = str_write_iops_log_cb,
c8eeb9df 3918 .help = "Write log of IOPS during run",
e8b0e958
JA		 3919 .category = FIO_OPT_C_LOG,
3920 .group = FIO_OPT_G_INVALID,
c8eeb9df 3921 },
b8bc8cba
JA		 3922 {
3923 .name = "log_avg_msec",
e8b0e958 3924 .lname = "Log averaging (msec)",
b8bc8cba 3925 .type = FIO_OPT_INT,
a609f12a 3926 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3927 .help = "Average bw/iops/lat logs over this period of time",
3928 .def = "0",
e8b0e958 3929 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3930 .group = FIO_OPT_G_INVALID,
3931 },
3932 {
3933 .name = "log_hist_msec",
3934 .lname = "Log histograms (msec)",
3935 .type = FIO_OPT_INT,
a609f12a 3936 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3937 .help = "Dump completion latency histograms at frequency of this time value",
3938 .def = "0",
3939 .category = FIO_OPT_C_LOG,
3940 .group = FIO_OPT_G_INVALID,
3941 },
3942 {
3943 .name = "log_hist_coarseness",
3944 .lname = "Histogram logs coarseness",
3945 .type = FIO_OPT_INT,
a609f12a 3946 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3947 .help = "Integer in range [0,6]. Higher coarseness outputs"
3948 " fewer histogram bins per sample. The number of bins for"
3949 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3950 .def = "0",
3951 .category = FIO_OPT_C_LOG,
3952 .group = FIO_OPT_G_INVALID,
3953 },
3954 {
3955 .name = "write_hist_log",
3956 .lname = "Write latency histogram logs",
dded427c 3957 .type = FIO_OPT_STR,
a609f12a 3958 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3959 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3960 .help = "Write log of latency histograms during run",
3961 .category = FIO_OPT_C_LOG,
e8b0e958 3962 .group = FIO_OPT_G_INVALID,
b8bc8cba 3963 },
e6989e10
JA		 3964 {
3965 .name = "log_max_value",
3966 .lname = "Log maximum instead of average",
3967 .type = FIO_OPT_BOOL,
a609f12a 3968 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3969 .help = "Log max sample in a window instead of average",
3970 .def = "0",
3971 .category = FIO_OPT_C_LOG,
3972 .group = FIO_OPT_G_INVALID,
3973 },
ae588852
JA		 3974 {
3975 .name = "log_offset",
3976 .lname = "Log offset of IO",
3977 .type = FIO_OPT_BOOL,
a609f12a 3978 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3979 .help = "Include offset of IO for each log entry",
3980 .def = "0",
3981 .category = FIO_OPT_C_LOG,
3982 .group = FIO_OPT_G_INVALID,
3983 },
aee2ab67
JA		 3984#ifdef CONFIG_ZLIB
3985 {
3986 .name = "log_compression",
3987 .lname = "Log compression",
3988 .type = FIO_OPT_INT,
a609f12a 3989 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3990 .help = "Log in compressed chunks of this size",
9919b27b 3991 .minval = 1024ULL,
aee2ab67
JA		 3992 .maxval = 512 * 1024 * 1024ULL,
3993 .category = FIO_OPT_C_LOG,
3994 .group = FIO_OPT_G_INVALID,
3995 },
c08f9fe2
JA		 3996#ifdef FIO_HAVE_CPU_AFFINITY
3997 {
3998 .name = "log_compression_cpus",
3999 .lname = "Log Compression CPUs",
4000 .type = FIO_OPT_STR,
4001 .cb = str_log_cpus_allowed_cb,
a609f12a 4002 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 4003 .parent = "log_compression",
4004 .help = "Limit log compression to these CPUs",
4005 .category = FIO_OPT_C_LOG,
4006 .group = FIO_OPT_G_INVALID,
4007 },
a275c37a
JA		 4008#else
4009 {
4010 .name = "log_compression_cpus",
4011 .lname = "Log Compression CPUs",
4012 .type = FIO_OPT_UNSUPPORTED,
4013 .help = "Your platform does not support CPU affinities",
4014 },
c08f9fe2 4015#endif
b26317c9
JA		 4016 {
4017 .name = "log_store_compressed",
4018 .lname = "Log store compressed",
4019 .type = FIO_OPT_BOOL,
a609f12a 4020 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 4021 .help = "Store logs in a compressed format",
4022 .category = FIO_OPT_C_LOG,
4023 .group = FIO_OPT_G_INVALID,
4024 },
a275c37a
JA		 4025#else
4026 {
4027 .name = "log_compression",
4028 .lname = "Log compression",
4029 .type = FIO_OPT_UNSUPPORTED,
4030 .help = "Install libz-dev(el) to get compression support",
4031 },
4032 {
4033 .name = "log_store_compressed",
4034 .lname = "Log store compressed",
4035 .type = FIO_OPT_UNSUPPORTED,
4036 .help = "Install libz-dev(el) to get compression support",
4037 },
aee2ab67 4038#endif
3aea75b1
KC		 4039 {
4040 .name = "log_unix_epoch",
4041 .lname = "Log epoch unix",
4042 .type = FIO_OPT_BOOL,
4043 .off1 = offsetof(struct thread_options, log_unix_epoch),
4044 .help = "Use Unix time in log files",
4045 .category = FIO_OPT_C_LOG,
4046 .group = FIO_OPT_G_INVALID,
4047 },
66347cfa
DE		 4048 {
4049 .name = "block_error_percentiles",
4050 .lname = "Block error percentiles",
4051 .type = FIO_OPT_BOOL,
a609f12a 4052 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 4053 .help = "Record trim block errors and make a histogram",
4054 .def = "0",
4055 .category = FIO_OPT_C_LOG,
4056 .group = FIO_OPT_G_INVALID,
4057 },
c504ee55
JA		 4058 {
4059 .name = "bwavgtime",
4060 .lname = "Bandwidth average time",
4061 .type = FIO_OPT_INT,
a609f12a 4062 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 4063 .help = "Time window over which to calculate bandwidth"
4064 " (msec)",
4065 .def = "500",
4066 .parent = "write_bw_log",
4067 .hide = 1,
4068 .interval = 100,
4069 .category = FIO_OPT_C_LOG,
4070 .group = FIO_OPT_G_INVALID,
4071 },
4072 {
4073 .name = "iopsavgtime",
4074 .lname = "IOPS average time",
4075 .type = FIO_OPT_INT,
a609f12a 4076 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 4077 .help = "Time window over which to calculate IOPS (msec)",
4078 .def = "500",
4079 .parent = "write_iops_log",
4080 .hide = 1,
4081 .interval = 100,
4082 .category = FIO_OPT_C_LOG,
4083 .group = FIO_OPT_G_INVALID,
4084 },
214e1eca
JA		 4085 {
4086 .name = "group_reporting",
e8b0e958 4087 .lname = "Group reporting",
d2507043 4088 .type = FIO_OPT_STR_SET,
a609f12a 4089 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 4090 .help = "Do reporting on a per-group basis",
10860056 4091 .category = FIO_OPT_C_STAT,
e8b0e958 4092 .group = FIO_OPT_G_INVALID,
214e1eca 4093 },
8243be59
JA		 4094 {
4095 .name = "stats",
4096 .lname = "Stats",
4097 .type = FIO_OPT_BOOL,
4098 .off1 = offsetof(struct thread_options, stats),
4099 .help = "Enable collection of stats",
4100 .def = "1",
4101 .category = FIO_OPT_C_STAT,
4102 .group = FIO_OPT_G_INVALID,
4103 },
e9459e5a
JA		 4104 {
4105 .name = "zero_buffers",
e8b0e958 4106 .lname = "Zero I/O buffers",
e9459e5a 4107 .type = FIO_OPT_STR_SET,
a609f12a 4108 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4109 .help = "Init IO buffers to all zeroes",
e8b0e958 4110 .category = FIO_OPT_C_IO,
3ceb458f 4111 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4112 },
5973cafb
JA		 4113 {
4114 .name = "refill_buffers",
e8b0e958 4115 .lname = "Refill I/O buffers",
5973cafb 4116 .type = FIO_OPT_STR_SET,
a609f12a 4117 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4118 .help = "Refill IO buffers on every IO submit",
e8b0e958 4119 .category = FIO_OPT_C_IO,
3ceb458f 4120 .group = FIO_OPT_G_IO_BUF,
5973cafb 4121 },
fd68418e
JA		 4122 {
4123 .name = "scramble_buffers",
e8b0e958 4124 .lname = "Scramble I/O buffers",
fd68418e 4125 .type = FIO_OPT_BOOL,
a609f12a 4126 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4127 .help = "Slightly scramble buffers on every IO submit",
4128 .def = "1",
e8b0e958 4129 .category = FIO_OPT_C_IO,
3ceb458f 4130 .group = FIO_OPT_G_IO_BUF,
fd68418e 4131 },
ce35b1ec
JA		 4132 {
4133 .name = "buffer_pattern",
4134 .lname = "Buffer pattern",
4135 .type = FIO_OPT_STR,
4136 .cb = str_buffer_pattern_cb,
a609f12a 4137 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4138 .help = "Fill pattern for IO buffers",
4139 .category = FIO_OPT_C_IO,
4140 .group = FIO_OPT_G_IO_BUF,
4141 },
9c42684e
JA		 4142 {
4143 .name = "buffer_compress_percentage",
e8b0e958 4144 .lname = "Buffer compression percentage",
9c42684e 4145 .type = FIO_OPT_INT,
bedc9dc2 4146 .cb = str_buffer_compress_cb,
a609f12a 4147 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4148 .maxval = 100,
e7f5de90 4149 .minval = 0,
9c42684e 4150 .help = "How compressible the buffer is (approximately)",
20eb06bd 4151 .interval = 5,
e8b0e958 4152 .category = FIO_OPT_C_IO,
3ceb458f 4153 .group = FIO_OPT_G_IO_BUF,
9c42684e 4154 },
f97a43a1
JA		 4155 {
4156 .name = "buffer_compress_chunk",
e8b0e958 4157 .lname = "Buffer compression chunk size",
f97a43a1 4158 .type = FIO_OPT_INT,
a609f12a 4159 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4160 .parent = "buffer_compress_percentage",
d71c154c 4161 .hide = 1,
f97a43a1 4162 .help = "Size of compressible region in buffer",
1de80624 4163 .def = "512",
20eb06bd 4164 .interval = 256,
e8b0e958 4165 .category = FIO_OPT_C_IO,
3ceb458f 4166 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4167 },
5c94b008
JA		 4168 {
4169 .name = "dedupe_percentage",
4170 .lname = "Dedupe percentage",
4171 .type = FIO_OPT_INT,
4172 .cb = str_dedupe_cb,
a609f12a 4173 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4174 .maxval = 100,
4175 .minval = 0,
4176 .help = "Percentage of buffers that are dedupable",
4177 .interval = 1,
4178 .category = FIO_OPT_C_IO,
4179 .group = FIO_OPT_G_IO_BUF,
4180 },
83349190
YH		 4181 {
4182 .name = "clat_percentiles",
e8b0e958 4183 .lname = "Completion latency percentiles",
83349190 4184 .type = FIO_OPT_BOOL,
a609f12a 4185 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4186 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4187 .def = "1",
b599759b
JA		 4188 .inverse = "lat_percentiles",
4189 .category = FIO_OPT_C_STAT,
4190 .group = FIO_OPT_G_INVALID,
4191 },
4192 {
4193 .name = "lat_percentiles",
4194 .lname = "IO latency percentiles",
4195 .type = FIO_OPT_BOOL,
4196 .off1 = offsetof(struct thread_options, lat_percentiles),
4197 .help = "Enable the reporting of IO latency percentiles",
4198 .def = "0",
4199 .inverse = "clat_percentiles",
e8b0e958
JA		 4200 .category = FIO_OPT_C_STAT,
4201 .group = FIO_OPT_G_INVALID,
83349190
YH		 4202 },
4203 {
4204 .name = "percentile_list",
66347cfa 4205 .lname = "Percentile list",
83349190 4206 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4207 .off1 = offsetof(struct thread_options, percentile_list),
4208 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4209 .help = "Specify a custom list of percentiles to report for "
4210 "completion latency and block errors",
fd112d34 4211 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4212 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4213 .minfp = 0.0,
4214 .maxfp = 100.0,
e8b0e958
JA		 4215 .category = FIO_OPT_C_STAT,
4216 .group = FIO_OPT_G_INVALID,
e883cb35
JF		 4217 },
4218 {
4219 .name = "significant_figures",
4220 .lname = "Significant figures",
4221 .type = FIO_OPT_INT,
4222 .off1 = offsetof(struct thread_options, sig_figs),
4223 .maxval = 10,
4224 .minval = 1,
4225 .help = "Significant figures for output-format set to normal",
4226 .def = "4",
4227 .interval = 1,
4228 .category = FIO_OPT_C_STAT,
4229 .group = FIO_OPT_G_INVALID,
83349190
YH		 4230 },
4231
0a839f30
JA		 4232#ifdef FIO_HAVE_DISK_UTIL
4233 {
4234 .name = "disk_util",
e8b0e958 4235 .lname = "Disk utilization",
0a839f30 4236 .type = FIO_OPT_BOOL,
a609f12a 4237 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4238 .help = "Log disk utilization statistics",
0a839f30 4239 .def = "1",
e8b0e958
JA		 4240 .category = FIO_OPT_C_STAT,
4241 .group = FIO_OPT_G_INVALID,
0a839f30 4242 },
a275c37a
JA		 4243#else
4244 {
4245 .name = "disk_util",
4246 .lname = "Disk utilization",
4247 .type = FIO_OPT_UNSUPPORTED,
4248 .help = "Your platform does not support disk utilization",
4249 },
0a839f30 4250#endif
993bf48b
JA		 4251 {
4252 .name = "gtod_reduce",
e8b0e958 4253 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4254 .type = FIO_OPT_BOOL,
4255 .help = "Greatly reduce number of gettimeofday() calls",
4256 .cb = str_gtod_reduce_cb,
4257 .def = "0",
a4ed77fe 4258 .hide_on_set = 1,
e8b0e958
JA		 4259 .category = FIO_OPT_C_STAT,
4260 .group = FIO_OPT_G_INVALID,
993bf48b 4261 },
02af0988
JA		 4262 {
4263 .name = "disable_lat",
e8b0e958 4264 .lname = "Disable all latency stats",
02af0988 4265 .type = FIO_OPT_BOOL,
a609f12a 4266 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4267 .help = "Disable latency numbers",
4268 .parent = "gtod_reduce",
d71c154c 4269 .hide = 1,
02af0988 4270 .def = "0",
e8b0e958
JA		 4271 .category = FIO_OPT_C_STAT,
4272 .group = FIO_OPT_G_INVALID,
02af0988 4273 },
9520ebb9
JA		 4274 {
4275 .name = "disable_clat",
e8b0e958 4276 .lname = "Disable completion latency stats",
9520ebb9 4277 .type = FIO_OPT_BOOL,
a609f12a 4278 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4279 .help = "Disable completion latency numbers",
993bf48b 4280 .parent = "gtod_reduce",
d71c154c 4281 .hide = 1,
9520ebb9 4282 .def = "0",
e8b0e958
JA		 4283 .category = FIO_OPT_C_STAT,
4284 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4285 },
4286 {
4287 .name = "disable_slat",
e8b0e958 4288 .lname = "Disable submission latency stats",
9520ebb9 4289 .type = FIO_OPT_BOOL,
a609f12a 4290 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4291 .help = "Disable submission latency numbers",
993bf48b 4292 .parent = "gtod_reduce",
d71c154c 4293 .hide = 1,
9520ebb9 4294 .def = "0",
e8b0e958
JA		 4295 .category = FIO_OPT_C_STAT,
4296 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4297 },
4298 {
4299 .name = "disable_bw_measurement",
afd2ceff 4300 .alias = "disable_bw",
e8b0e958 4301 .lname = "Disable bandwidth stats",
9520ebb9 4302 .type = FIO_OPT_BOOL,
a609f12a 4303 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4304 .help = "Disable bandwidth logging",
993bf48b 4305 .parent = "gtod_reduce",
d71c154c 4306 .hide = 1,
9520ebb9 4307 .def = "0",
e8b0e958
JA		 4308 .category = FIO_OPT_C_STAT,
4309 .group = FIO_OPT_G_INVALID,
9520ebb9 4310 },
be4ecfdf
JA		 4311 {
4312 .name = "gtod_cpu",
e8b0e958 4313 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4314 .type = FIO_OPT_INT,
a609f12a 4315 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4316 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4317 .verify = gtod_cpu_verify,
e8b0e958 4318 .category = FIO_OPT_C_GENERAL,
10860056 4319 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4320 },
771e58be
JA		 4321 {
4322 .name = "unified_rw_reporting",
cce2fdfe 4323 .lname = "Unified RW Reporting",
771e58be 4324 .type = FIO_OPT_BOOL,
a609f12a 4325 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4326 .help = "Unify reporting across data direction",
4327 .def = "0",
90b7a96d
JA		 4328 .category = FIO_OPT_C_GENERAL,
4329 .group = FIO_OPT_G_INVALID,
771e58be 4330 },
f2bba182
RR		 4331 {
4332 .name = "continue_on_error",
e8b0e958 4333 .lname = "Continue on error",
06842027 4334 .type = FIO_OPT_STR,
a609f12a 4335 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4336 .help = "Continue on non-fatal errors during IO",
06842027 4337 .def = "none",
e8b0e958 4338 .category = FIO_OPT_C_GENERAL,
bc3f552f 4339 .group = FIO_OPT_G_ERR,
06842027
SL		 4340 .posval = {
4341 { .ival = "none",
4342 .oval = ERROR_TYPE_NONE,
4343 .help = "Exit when an error is encountered",
4344 },
4345 { .ival = "read",
4346 .oval = ERROR_TYPE_READ,
4347 .help = "Continue on read errors only",
4348 },
4349 { .ival = "write",
4350 .oval = ERROR_TYPE_WRITE,
4351 .help = "Continue on write errors only",
4352 },
4353 { .ival = "io",
4354 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4355 .help = "Continue on any IO errors",
4356 },
4357 { .ival = "verify",
4358 .oval = ERROR_TYPE_VERIFY,
4359 .help = "Continue on verify errors only",
4360 },
4361 { .ival = "all",
4362 .oval = ERROR_TYPE_ANY,
4363 .help = "Continue on all io and verify errors",
4364 },
4365 { .ival = "0",
4366 .oval = ERROR_TYPE_NONE,
4367 .help = "Alias for 'none'",
4368 },
4369 { .ival = "1",
4370 .oval = ERROR_TYPE_ANY,
4371 .help = "Alias for 'all'",
4372 },
4373 },
f2bba182 4374 },
8b28bd41
DM		 4375 {
4376 .name = "ignore_error",
cce2fdfe 4377 .lname = "Ignore Error",
8b28bd41
DM		 4378 .type = FIO_OPT_STR,
4379 .cb = str_ignore_error_cb,
a609f12a 4380 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4381 .help = "Set a specific list of errors to ignore",
4382 .parent = "rw",
a94eb99a 4383 .category = FIO_OPT_C_GENERAL,
bc3f552f 4384 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4385 },
4386 {
4387 .name = "error_dump",
cce2fdfe 4388 .lname = "Error Dump",
8b28bd41 4389 .type = FIO_OPT_BOOL,
a609f12a 4390 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4391 .def = "0",
4392 .help = "Dump info on each error",
a94eb99a 4393 .category = FIO_OPT_C_GENERAL,
bc3f552f 4394 .group = FIO_OPT_G_ERR,
8b28bd41 4395 },
9ac8a797
JA		 4396 {
4397 .name = "profile",
e8b0e958 4398 .lname = "Profile",
79d16311 4399 .type = FIO_OPT_STR_STORE,
a609f12a 4400 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4401 .help = "Select a specific builtin performance test",
13fca827 4402 .category = FIO_OPT_C_PROFILE,
e8b0e958 4403 .group = FIO_OPT_G_INVALID,
9ac8a797 4404 },
a696fa2a
JA		 4405 {
4406 .name = "cgroup",
e8b0e958 4407 .lname = "Cgroup",
a696fa2a 4408 .type = FIO_OPT_STR_STORE,
a609f12a 4409 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4410 .help = "Add job to cgroup of this name",
e8b0e958 4411 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4412 .group = FIO_OPT_G_CGROUP,
4413 },
4414 {
4415 .name = "cgroup_nodelete",
4416 .lname = "Cgroup no-delete",
4417 .type = FIO_OPT_BOOL,
a609f12a 4418 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4419 .help = "Do not delete cgroups after job completion",
4420 .def = "0",
4421 .parent = "cgroup",
4422 .category = FIO_OPT_C_GENERAL,
4423 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4424 },
4425 {
4426 .name = "cgroup_weight",
e8b0e958 4427 .lname = "Cgroup weight",
a696fa2a 4428 .type = FIO_OPT_INT,
a609f12a 4429 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4430 .help = "Use given weight for cgroup",
4431 .minval = 100,
4432 .maxval = 1000,
a1f6afec 4433 .parent = "cgroup",
e8b0e958 4434 .category = FIO_OPT_C_GENERAL,
a1f6afec 4435 .group = FIO_OPT_G_CGROUP,
7de87099 4436 },
e0b0d892
JA		 4437 {
4438 .name = "uid",
e8b0e958 4439 .lname = "User ID",
e0b0d892 4440 .type = FIO_OPT_INT,
a609f12a 4441 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4442 .help = "Run job with this user ID",
e8b0e958 4443 .category = FIO_OPT_C_GENERAL,
10860056 4444 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4445 },
4446 {
4447 .name = "gid",
e8b0e958 4448 .lname = "Group ID",
e0b0d892 4449 .type = FIO_OPT_INT,
a609f12a 4450 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4451 .help = "Run job with this group ID",
e8b0e958 4452 .category = FIO_OPT_C_GENERAL,
10860056 4453 .group = FIO_OPT_G_CRED,
e0b0d892 4454 },
a1f6afec
JA		 4455 {
4456 .name = "kb_base",
4457 .lname = "KB Base",
4458 .type = FIO_OPT_INT,
a609f12a 4459 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4460 .prio = 1,
4461 .def = "1024",
ba9c7219
JA		 4462 .posval = {
4463 { .ival = "1024",
4464 .oval = 1024,
d694a6a7 4465 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4466 },
4467 { .ival = "1000",
4468 .oval = 1000,
d694a6a7 4469 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4470 },
4471 },
d694a6a7 4472 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4473 .category = FIO_OPT_C_GENERAL,
4474 .group = FIO_OPT_G_INVALID,
4475 },
cf3a0518
JA		 4476 {
4477 .name = "unit_base",
d694a6a7 4478 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4479 .type = FIO_OPT_INT,
a609f12a 4480 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4481 .prio = 1,
71a08258
JA		 4482 .posval = {
4483 { .ival = "0",
41a87019 4484 .oval = N2S_NONE,
71a08258
JA		 4485 .help = "Auto-detect",
4486 },
4487 { .ival = "8",
41a87019 4488 .oval = N2S_BYTEPERSEC,
71a08258
JA		 4489 .help = "Normal (byte based)",
4490 },
4491 { .ival = "1",
41a87019 4492 .oval = N2S_BITPERSEC,
71a08258
JA		 4493 .help = "Bit based",
4494 },
4495 },
cf3a0518
JA		 4496 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4497 .category = FIO_OPT_C_GENERAL,
4498 .group = FIO_OPT_G_INVALID,
4499 },
3ceb458f
JA		 4500 {
4501 .name = "hugepage-size",
4502 .lname = "Hugepage size",
4503 .type = FIO_OPT_INT,
a609f12a 4504 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4505 .help = "When using hugepages, specify size of each page",
4506 .def = __fio_stringify(FIO_HUGE_PAGE),
4507 .interval = 1024 * 1024,
4508 .category = FIO_OPT_C_GENERAL,
4509 .group = FIO_OPT_G_INVALID,
4510 },
9e684a49
DE		 4511 {
4512 .name = "flow_id",
e8b0e958 4513 .lname = "I/O flow ID",
9e684a49 4514 .type = FIO_OPT_INT,
a609f12a 4515 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4516 .help = "The flow index ID to use",
4517 .def = "0",
e8b0e958
JA		 4518 .category = FIO_OPT_C_IO,
4519 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4520 },
4521 {
4522 .name = "flow",
e8b0e958 4523 .lname = "I/O flow weight",
9e684a49 4524 .type = FIO_OPT_INT,
a609f12a 4525 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4526 .help = "Weight for flow control of this job",
4527 .parent = "flow_id",
d71c154c 4528 .hide = 1,
9e684a49 4529 .def = "0",
e8b0e958
JA		 4530 .category = FIO_OPT_C_IO,
4531 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4532 },
4533 {
4534 .name = "flow_watermark",
e8b0e958 4535 .lname = "I/O flow watermark",
9e684a49 4536 .type = FIO_OPT_INT,
a609f12a 4537 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4538 .help = "High watermark for flow control. This option"
4539 " should be set to the same value for all threads"
4540 " with non-zero flow.",
4541 .parent = "flow_id",
d71c154c 4542 .hide = 1,
9e684a49 4543 .def = "1024",
e8b0e958
JA		 4544 .category = FIO_OPT_C_IO,
4545 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4546 },
4547 {
4548 .name = "flow_sleep",
e8b0e958 4549 .lname = "I/O flow sleep",
9e684a49 4550 .type = FIO_OPT_INT,
a609f12a 4551 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4552 .help = "How many microseconds to sleep after being held"
4553 " back by the flow control mechanism",
4554 .parent = "flow_id",
d71c154c 4555 .hide = 1,
9e684a49 4556 .def = "0",
e8b0e958
JA		 4557 .category = FIO_OPT_C_IO,
4558 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4559 },
16e56d25
VF		 4560 {
4561 .name = "steadystate",
4562 .lname = "Steady state threshold",
4563 .alias = "ss",
4564 .type = FIO_OPT_STR,
2c5d94bc 4565 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4566 .cb = str_steadystate_cb,
4567 .help = "Define the criterion and limit to judge when a job has reached steady state",
4568 .def = "iops_slope:0.01%",
4569 .posval = {
4570 { .ival = "iops",
f0c50c66 4571 .oval = FIO_SS_IOPS,
16e56d25
VF		 4572 .help = "maximum mean deviation of IOPS measurements",
4573 },
4574 { .ival = "iops_slope",
f0c50c66 4575 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4576 .help = "slope calculated from IOPS measurements",
4577 },
4578 { .ival = "bw",
f0c50c66 4579 .oval = FIO_SS_BW,
16e56d25
VF		 4580 .help = "maximum mean deviation of bandwidth measurements",
4581 },
4582 {
4583 .ival = "bw_slope",
f0c50c66 4584 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4585 .help = "slope calculated from bandwidth measurements",
4586 },
4587 },
4588 .category = FIO_OPT_C_GENERAL,
4589 .group = FIO_OPT_G_RUNTIME,
4590 },
4591 {
4592 .name = "steadystate_duration",
4593 .lname = "Steady state duration",
4594 .alias = "ss_dur",
915ca980 4595 .parent = "steadystate",
16e56d25
VF		 4596 .type = FIO_OPT_STR_VAL_TIME,
4597 .off1 = offsetof(struct thread_options, ss_dur),
4598 .help = "Stop workload upon attaining steady state for specified duration",
4599 .def = "0",
4600 .is_seconds = 1,
4601 .is_time = 1,
4602 .category = FIO_OPT_C_GENERAL,
4603 .group = FIO_OPT_G_RUNTIME,
4604 },
4605 {
4606 .name = "steadystate_ramp_time",
4607 .lname = "Steady state ramp time",
4608 .alias = "ss_ramp",
915ca980 4609 .parent = "steadystate",
16e56d25
VF		 4610 .type = FIO_OPT_STR_VAL_TIME,
4611 .off1 = offsetof(struct thread_options, ss_ramp_time),
4612 .help = "Delay before initiation of data collection for steady state job termination testing",
4613 .def = "0",
4614 .is_seconds = 1,
4615 .is_time = 1,
4616 .category = FIO_OPT_C_GENERAL,
4617 .group = FIO_OPT_G_RUNTIME,
4618 },
214e1eca
JA		 4619 {
4620 .name = NULL,
4621 },
4622};
4623
17af15d4 4624static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4625 const char *name, int val)
9f81736c 4626{
17af15d4 4627 lopt->name = (char *) name;
de890a1e 4628 lopt->val = val;
9f81736c 4629 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4630 lopt->has_arg = optional_argument;
9f81736c
JA		 4631 else
4632 lopt->has_arg = required_argument;
4633}
4634
de890a1e
SL		 4635static void options_to_lopts(struct fio_option *opts,
4636 struct option *long_options,
4637 int i, int option_type)
214e1eca 4638{
de890a1e 4639 struct fio_option *o = &opts[0];
214e1eca 4640 while (o->name) {
de890a1e 4641 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4642 if (o->alias) {
4643 i++;
de890a1e 4644 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4645 }
214e1eca
JA		 4646
4647 i++;
4648 o++;
4649 assert(i < FIO_NR_OPTIONS);
4650 }
4651}
4652
de890a1e
SL		 4653void fio_options_set_ioengine_opts(struct option *long_options,
4654 struct thread_data *td)
4655{
4656 unsigned int i;
4657
4658 i = 0;
4659 while (long_options[i].name) {
4660 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4661 memset(&long_options[i], 0, sizeof(*long_options));
4662 break;
4663 }
4664 i++;
4665 }
4666
4667 /*
4668 * Just clear out the prior ioengine options.
4669 */
4670 if (!td || !td->eo)
4671 return;
4672
4673 options_to_lopts(td->io_ops->options, long_options, i,
4674 FIO_GETOPT_IOENGINE);
4675}
4676
4677void fio_options_dup_and_init(struct option *long_options)
4678{
4679 unsigned int i;
4680
9af4a244 4681 options_init(fio_options);
de890a1e
SL		 4682
4683 i = 0;
4684 while (long_options[i].name)
4685 i++;
4686
9af4a244 4687 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4688}
4689
74929ac2
JA		 4690struct fio_keyword {
4691 const char *word;
4692 const char *desc;
4693 char *replace;
4694};
4695
4696static struct fio_keyword fio_keywords[] = {
4697 {
4698 .word = "$pagesize",
4699 .desc = "Page size in the system",
4700 },
4701 {
4702 .word = "$mb_memory",
4703 .desc = "Megabytes of memory online",
4704 },
4705 {
4706 .word = "$ncpus",
4707 .desc = "Number of CPUs online in the system",
4708 },
4709 {
4710 .word = NULL,
4711 },
4712};
4713
af1dc266
JA		 4714void fio_keywords_exit(void)
4715{
4716 struct fio_keyword *kw;
4717
4718 kw = &fio_keywords[0];
4719 while (kw->word) {
4720 free(kw->replace);
4721 kw->replace = NULL;
4722 kw++;
4723 }
4724}
4725
74929ac2
JA		 4726void fio_keywords_init(void)
4727{
3b2e1464 4728 unsigned long long mb_memory;
74929ac2
JA		 4729 char buf[128];
4730 long l;
4731
a4cfc477 4732 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4733 fio_keywords[0].replace = strdup(buf);
4734
8eb016d3 4735 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4736 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4737 fio_keywords[1].replace = strdup(buf);
4738
c00a2289 4739 l = cpus_online();
74929ac2
JA		 4740 sprintf(buf, "%lu", l);
4741 fio_keywords[2].replace = strdup(buf);
4742}
4743
892a6ffc
JA		 4744#define BC_APP "bc"
4745
4746static char *bc_calc(char *str)
4747{
d0c814ec 4748 char buf[128], *tmp;
892a6ffc
JA		 4749 FILE *f;
4750 int ret;
4751
4752 /*
4753 * No math, just return string
4754 */
d0c814ec
SL		 4755 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4756 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4757 return str;
4758
4759 /*
4760 * Split option from value, we only need to calculate the value
4761 */
4762 tmp = strchr(str, '=');
4763 if (!tmp)
4764 return str;
4765
4766 tmp++;
892a6ffc 4767
d0c814ec
SL		 4768 /*
4769 * Prevent buffer overflows; such a case isn't reasonable anyway
4770 */
4771 if (strlen(str) >= 128 || strlen(tmp) > 100)
4772 return str;
892a6ffc
JA		 4773
4774 sprintf(buf, "which %s > /dev/null", BC_APP);
4775 if (system(buf)) {
4776 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4777 return NULL;
4778 }
4779
d0c814ec 4780 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4781 f = popen(buf, "r");
3c3ed070 4782 if (!f)
892a6ffc 4783 return NULL;
892a6ffc 4784
d0c814ec 4785 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4786 if (ret <= 0) {
4787 pclose(f);
892a6ffc 4788 return NULL;
1d824f37 4789 }
892a6ffc 4790
892a6ffc 4791 pclose(f);
d0c814ec
SL		 4792 buf[(tmp - str) + ret - 1] = '\0';
4793 memcpy(buf, str, tmp - str);
892a6ffc 4794 free(str);
d0c814ec
SL		 4795 return strdup(buf);
4796}
4797
4798/*
4799 * Return a copy of the input string with substrings of the form ${VARNAME}
4800 * substituted with the value of the environment variable VARNAME. The
4801 * substitution always occurs, even if VARNAME is empty or the corresponding
4802 * environment variable undefined.
4803 */
b4f5e72f 4804char *fio_option_dup_subs(const char *opt)
d0c814ec
SL		 4805{
4806 char out[OPT_LEN_MAX+1];
4807 char in[OPT_LEN_MAX+1];
4808 char *outptr = out;
4809 char *inptr = in;
4810 char *ch1, *ch2, *env;
4811 ssize_t nchr = OPT_LEN_MAX;
4812 size_t envlen;
4813
4814 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4815 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4816 return NULL;
4817 }
4818
4819 in[OPT_LEN_MAX] = '\0';
4820 strncpy(in, opt, OPT_LEN_MAX);
4821
4822 while (*inptr && nchr > 0) {
4823 if (inptr[0] == '$' && inptr[1] == '{') {
4824 ch2 = strchr(inptr, '}');
4825 if (ch2 && inptr+1 < ch2) {
4826 ch1 = inptr+2;
4827 inptr = ch2+1;
4828 *ch2 = '\0';
4829
4830 env = getenv(ch1);
4831 if (env) {
4832 envlen = strlen(env);
4833 if (envlen <= nchr) {
4834 memcpy(outptr, env, envlen);
4835 outptr += envlen;
4836 nchr -= envlen;
4837 }
4838 }
4839
4840 continue;
4841 }
4842 }
4843
4844 *outptr++ = *inptr++;
4845 --nchr;
4846 }
4847
4848 *outptr = '\0';
4849 return strdup(out);
892a6ffc
JA		 4850}
4851
74929ac2
JA		 4852/*
4853 * Look for reserved variable names and replace them with real values
4854 */
4855static char *fio_keyword_replace(char *opt)
4856{
4857 char *s;
4858 int i;
d0c814ec 4859 int docalc = 0;
74929ac2
JA		 4860
4861 for (i = 0; fio_keywords[i].word != NULL; i++) {
4862 struct fio_keyword *kw = &fio_keywords[i];
4863
4864 while ((s = strstr(opt, kw->word)) != NULL) {
4865 char *new = malloc(strlen(opt) + 1);
4866 char *o_org = opt;
4867 int olen = s - opt;
4868 int len;
4869
4870 /*
4871 * Copy part of the string before the keyword and
4872 * sprintf() the replacement after it.
4873 */
4874 memcpy(new, opt, olen);
4875 len = sprintf(new + olen, "%s", kw->replace);
4876
4877 /*
4878 * If there's more in the original string, copy that
4879 * in too
4880 */
4881 opt += strlen(kw->word) + olen;
4882 if (strlen(opt))
4883 memcpy(new + olen + len, opt, opt - o_org - 1);
4884
4885 /*
4886 * replace opt and free the old opt
4887 */
4888 opt = new;
d0c814ec 4889 free(o_org);
7a958bd5 4890
d0c814ec 4891 docalc = 1;
74929ac2
JA		 4892 }
4893 }
4894
d0c814ec
SL		 4895 /*
4896 * Check for potential math and invoke bc, if possible
4897 */
4898 if (docalc)
4899 opt = bc_calc(opt);
4900
7a958bd5 4901 return opt;
74929ac2
JA		 4902}
4903
d0c814ec
SL		 4904static char **dup_and_sub_options(char **opts, int num_opts)
4905{
4906 int i;
4907 char **opts_copy = malloc(num_opts * sizeof(*opts));
4908 for (i = 0; i < num_opts; i++) {
b4f5e72f 4909 opts_copy[i] = fio_option_dup_subs(opts[i]);
d0c814ec
SL		 4910 if (!opts_copy[i])
4911 continue;
4912 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4913 }
4914 return opts_copy;
4915}
4916
e15b023b 4917static void show_closest_option(const char *opt)
a2d027b9
JA		 4918{
4919 int best_option, best_distance;
4920 int i, distance;
e15b023b
JA		 4921 char *name;
4922
4923 if (!strlen(opt))
4924 return;
4925
4926 name = strdup(opt);
4927 i = 0;
4928 while (name[i] != '\0' && name[i] != '=')
4929 i++;
4930 name[i] = '\0';
a2d027b9
JA		 4931
4932 best_option = -1;
4933 best_distance = INT_MAX;
4934 i = 0;
4935 while (fio_options[i].name) {
4936 distance = string_distance(name, fio_options[i].name);
4937 if (distance < best_distance) {
4938 best_distance = distance;
4939 best_option = i;
4940 }
4941 i++;
4942 }
4943
75e6bcba
JA		 4944 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4945 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4946 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4947
4948 free(name);
a2d027b9
JA		 4949}
4950
c2292325 4951int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4952{
de890a1e 4953 int i, ret, unknown;
d0c814ec 4954 char **opts_copy;
3b8b7135 4955
9af4a244 4956 sort_options(opts, fio_options, num_opts);
d0c814ec 4957 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4958
de890a1e 4959 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
9109883a 4960 const struct fio_option *o;
9af4a244 4961 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4962 &o, &td->o, &td->opt_list);
d0c814ec 4963
a8523a6a
JA		 4964 if (!newret && o)
4965 fio_option_mark_set(&td->o, o);
4966
de890a1e
SL		 4967 if (opts_copy[i]) {
4968 if (newret && !o) {
4969 unknown++;
4970 continue;
4971 }
d0c814ec 4972 free(opts_copy[i]);
de890a1e
SL		 4973 opts_copy[i] = NULL;
4974 }
4975
4976 ret |= newret;
4977 }
4978
4979 if (unknown) {
4980 ret |= ioengine_load(td);
4981 if (td->eo) {
4982 sort_options(opts_copy, td->io_ops->options, num_opts);
4983 opts = opts_copy;
4984 }
4985 for (i = 0; i < num_opts; i++) {
9109883a 4986 const struct fio_option *o = NULL;
de890a1e 4987 int newret = 1;
a2d027b9 4988
de890a1e
SL		 4989 if (!opts_copy[i])
4990 continue;
4991
4992 if (td->eo)
4993 newret = parse_option(opts_copy[i], opts[i],
4994 td->io_ops->options, &o,
66e19a38 4995 td->eo, &td->opt_list);
de890a1e
SL		 4996
4997 ret |= newret;
a2d027b9 4998 if (!o) {
de890a1e 4999 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 5000 show_closest_option(opts[i]);
5001 }
de890a1e
SL		 5002 free(opts_copy[i]);
5003 opts_copy[i] = NULL;
5004 }
74929ac2 5005 }
3b8b7135 5006
d0c814ec 5007 free(opts_copy);
3b8b7135 5008 return ret;
214e1eca
JA		 5009}
5010
5011int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
5012{
a8523a6a
JA		 5013 int ret;
5014
a609f12a 5015 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a 5016 if (!ret) {
9109883a 5017 const struct fio_option *o;
a8523a6a 5018
9109883a 5019 o = find_option_c(fio_options, opt);
a8523a6a
JA		 5020 if (o)
5021 fio_option_mark_set(&td->o, o);
5022 }
5023
5024 return ret;
214e1eca
JA		 5025}
5026
de890a1e
SL		 5027int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
5028 char *val)
5029{
d8b4f395
JA		 5030 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
5031 &td->opt_list);
de890a1e
SL		 5032}
5033
214e1eca
JA		 5034void fio_fill_default_options(struct thread_data *td)
5035{
cb1402d6 5036 td->o.magic = OPT_MAGIC;
a609f12a 5037 fill_default_options(&td->o, fio_options);
214e1eca
JA		 5038}
5039
5040int fio_show_option_help(const char *opt)
5041{
9af4a244 5042 return show_cmd_help(fio_options, opt);
214e1eca 5043}
d23bb327 5044
de890a1e
SL		 5045/*
5046 * dupe FIO_OPT_STR_STORE options
5047 */
5048void fio_options_mem_dupe(struct thread_data *td)
5049{
53b5693d 5050 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 5051
5052 if (td->eo && td->io_ops) {
de890a1e 5053 void *oldeo = td->eo;
1647f592 5054
de890a1e
SL		 5055 td->eo = malloc(td->io_ops->option_struct_size);
5056 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 5057 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 5058 }
5059}
5060
d6978a32
JA		 5061unsigned int fio_get_kb_base(void *data)
5062{
a609f12a
JA		 5063 struct thread_data *td = cb_data_to_td(data);
5064 struct thread_options *o = &td->o;
d6978a32
JA		 5065 unsigned int kb_base = 0;
5066
cb1402d6
JA		 5067 /*
5068 * This is a hack... For private options, *data is not holding
5069 * a pointer to the thread_options, but to private data. This means
5070 * we can't safely dereference it, but magic is first so mem wise
5071 * it is valid. But this also means that if the job first sets
5072 * kb_base and expects that to be honored by private options,
5073 * it will be disappointed. We will return the global default
5074 * for this.
5075 */
5076 if (o && o->magic == OPT_MAGIC)
83ea422a 5077 kb_base = o->kb_base;
d6978a32
JA		 5078 if (!kb_base)
5079 kb_base = 1024;
5080
5081 return kb_base;
5082}
9f988e2e 5083
9109883a 5084int add_option(const struct fio_option *o)
9f988e2e 5085{
07b3232d
JA		 5086 struct fio_option *__o;
5087 int opt_index = 0;
5088
9af4a244 5089 __o = fio_options;
07b3232d
JA		 5090 while (__o->name) {
5091 opt_index++;
5092 __o++;
5093 }
5094
7b504edd
JA		 5095 if (opt_index + 1 == FIO_MAX_OPTS) {
5096 log_err("fio: FIO_MAX_OPTS is too small\n");
5097 return 1;
5098 }
5099
9af4a244 5100 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 5101 fio_options[opt_index + 1].name = NULL;
07b3232d 5102 return 0;
9f988e2e 5103}
e2de69da 5104
07b3232d 5105void invalidate_profile_options(const char *prof_name)
e2de69da 5106{
07b3232d 5107 struct fio_option *o;
e2de69da 5108
9af4a244 5109 o = fio_options;
07b3232d
JA		 5110 while (o->name) {
5111 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5112 o->type = FIO_OPT_INVALID;
5113 o->prof_name = NULL;
5114 }
5115 o++;
e2de69da
JA		 5116 }
5117}
f5b6bb85
JA		 5118
5119void add_opt_posval(const char *optname, const char *ival, const char *help)
5120{
5121 struct fio_option *o;
5122 unsigned int i;
5123
9af4a244 5124 o = find_option(fio_options, optname);
f5b6bb85
JA		 5125 if (!o)
5126 return;
5127
5128 for (i = 0; i < PARSE_MAX_VP; i++) {
5129 if (o->posval[i].ival)
5130 continue;
5131
5132 o->posval[i].ival = ival;
5133 o->posval[i].help = help;
5134 break;
5135 }
5136}
5137
5138void del_opt_posval(const char *optname, const char *ival)
5139{
5140 struct fio_option *o;
5141 unsigned int i;
5142
9af4a244 5143 o = find_option(fio_options, optname);
f5b6bb85
JA		 5144 if (!o)
5145 return;
5146
5147 for (i = 0; i < PARSE_MAX_VP; i++) {
5148 if (!o->posval[i].ival)
5149 continue;
5150 if (strcmp(o->posval[i].ival, ival))
5151 continue;
5152
5153 o->posval[i].ival = NULL;
5154 o->posval[i].help = NULL;
5155 }
5156}
7e356b2d
JA		 5157
5158void fio_options_free(struct thread_data *td)
5159{
ca6336a8 5160 options_free(fio_options, &td->o);
de890a1e
SL		 5161 if (td->eo && td->io_ops && td->io_ops->options) {
5162 options_free(td->io_ops->options, td->eo);
5163 free(td->eo);
5164 td->eo = NULL;
5165 }
7e356b2d 5166}
c504ee55
JA		 5167
5168struct fio_option *fio_option_find(const char *name)
5169{
5170 return find_option(fio_options, name);
5171}
5172
517c9c72 5173static struct fio_option *find_next_opt(struct fio_option *from,
f0e7f45a 5174 unsigned int off1)
a8523a6a 5175{
f0e7f45a 5176 struct fio_option *opt;
a8523a6a 5177
f0e7f45a
JA		 5178 if (!from)
5179 from = &fio_options[0];
5180 else
5181 from++;
5182
5183 opt = NULL;
5184 do {
5185 if (off1 == from->off1) {
5186 opt = from;
a8523a6a
JA		 5187 break;
5188 }
f0e7f45a
JA		 5189 from++;
5190 } while (from->name);
a8523a6a 5191
f0e7f45a
JA		 5192 return opt;
5193}
5194
5195static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5196{
5197 unsigned int opt_off, index, offset;
a8523a6a
JA		 5198
5199 opt_off = opt - &fio_options[0];
5200 index = opt_off / (8 * sizeof(uint64_t));
5201 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5202 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5203}
5204
72f39748 5205bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5206{
5207 struct fio_option *opt, *next;
5208
5209 next = NULL;
517c9c72 5210 while ((opt = find_next_opt(next, off1)) != NULL) {
f0e7f45a 5211 if (opt_is_set(o, opt))
72f39748 5212 return true;
f0e7f45a
JA		 5213
5214 next = opt;
5215 }
5216
72f39748 5217 return false;
f0e7f45a
JA		 5218}
5219
9109883a 5220void fio_option_mark_set(struct thread_options *o, const struct fio_option *opt)
a8523a6a
JA		 5221{
5222 unsigned int opt_off, index, offset;
5223
5224 opt_off = opt - &fio_options[0];
5225 index = opt_off / (8 * sizeof(uint64_t));
5226 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5227 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5228}
fio - Flexible IO Tester