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Add the 'zbd' debug level
[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
59466396
JA		 962static int parse_zoned_distribution(struct thread_data *td, const char *input,
963 bool absolute)
e0a04ac1 964{
59466396 965 const char *pre = absolute ? "zoned_abs:" : "zoned:";
764593c0 966 char *str, *p;
e0a04ac1
JA		 967 int i, ret = 0;
968
969 p = str = strdup(input);
970
971 strip_blank_front(&str);
972 strip_blank_end(str);
973
974 /* We expect it to start like that, bail if not */
59466396 975 if (strncmp(str, pre, strlen(pre))) {
e0a04ac1
JA		 976 log_err("fio: mismatch in zoned input <%s>\n", str);
977 free(p);
978 return 1;
979 }
59466396 980 str += strlen(pre);
e0a04ac1 981
59466396 982 ret = str_split_parse(td, str, zone_split_ddir, absolute);
e0a04ac1
JA		 983
984 free(p);
985
986 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
987 int j;
988
989 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
990
991 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
992 struct zone_split *zsp = &td->o.zone_split[i][j];
993
59466396
JA		 994 if (absolute) {
995 dprint(FD_PARSE, "\t%d: %u/%llu\n", j,
996 zsp->access_perc,
997 (unsigned long long) zsp->size);
998 } else {
999 dprint(FD_PARSE, "\t%d: %u/%u\n", j,
1000 zsp->access_perc,
1001 zsp->size_perc);
1002 }
e0a04ac1
JA		 1003 }
1004 }
1005
55baca06 1006 if (parse_dryrun()) {
55baca06
JA		 1007 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1008 free(td->o.zone_split[i]);
1009 td->o.zone_split[i] = NULL;
1010 td->o.zone_split_nr[i] = 0;
1011 }
1012
1013 return ret;
1014 }
1015
81bdb791 1016 if (ret) {
dc4bffb8
JA		 1017 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1018 td->o.zone_split_nr[i] = 0;
1019 }
e0a04ac1
JA		 1020
1021 return ret;
1022}
1023
e25839d4
JA		 1024static int str_random_distribution_cb(void *data, const char *str)
1025{
a609f12a 1026 struct thread_data *td = cb_data_to_td(data);
e25839d4
JA		 1027 double val;
1028 char *nr;
1029
925fee33 1030 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1031 val = FIO_DEF_ZIPF;
925fee33 1032 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1033 val = FIO_DEF_PARETO;
56d9fa4b
JA		 1034 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1035 val = 0.0;
e0a04ac1 1036 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
59466396
JA		 1037 return parse_zoned_distribution(td, str, false);
1038 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS)
1039 return parse_zoned_distribution(td, str, true);
925fee33 1040 else
e25839d4
JA		 1041 return 0;
1042
1043 nr = get_opt_postfix(str);
88038bc7 1044 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 1045 log_err("fio: random postfix parsing failed\n");
1046 free(nr);
1047 return 1;
1048 }
1049
078189c1
JA		 1050 free(nr);
1051
18ded917
JA		 1052 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1053 if (val == 1.00) {
1054 log_err("fio: zipf theta must different than 1.0\n");
1055 return 1;
1056 }
55baca06
JA		 1057 if (parse_dryrun())
1058 return 0;
1e5324e7 1059 td->o.zipf_theta.u.f = val;
56d9fa4b 1060 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 1061 if (val <= 0.00 || val >= 1.00) {
1062 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1063 return 1;
1064 }
55baca06
JA		 1065 if (parse_dryrun())
1066 return 0;
1e5324e7 1067 td->o.pareto_h.u.f = val;
3cdb8cf3 1068 } else {
76527b19 1069 if (val < 0.00 || val >= 100.0) {
99c94a6b 1070 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA		 1071 return 1;
1072 }
55baca06
JA		 1073 if (parse_dryrun())
1074 return 0;
f88cd222 1075 td->o.gauss_dev.u.f = val;
3cdb8cf3 1076 }
921c766f
JA		 1077
1078 return 0;
1079}
1080
16e56d25
VF		 1081static int str_steadystate_cb(void *data, const char *str)
1082{
94f218f6 1083 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF		 1084 double val;
1085 char *nr;
1086 char *pct;
1087 long long ll;
1088
2c5d94bc
VF		 1089 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1090 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF		 1091 /* should be impossible to get here */
1092 log_err("fio: unknown steady state criterion\n");
1093 return 1;
1094 }
1095
1096 nr = get_opt_postfix(str);
1097 if (!nr) {
1098 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1099 free(nr);
1100 return 1;
1101 }
1102
1103 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1104 pct = strstr(nr, "%");
1105 if (pct) {
1106 *pct = '\0';
1107 strip_blank_end(nr);
1108 if (!str_to_float(nr, &val, 0)) {
1109 log_err("fio: could not parse steadystate threshold percentage\n");
1110 free(nr);
1111 return 1;
1112 }
1113
1114 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1115 free(nr);
1116 if (parse_dryrun())
1117 return 0;
1118
c8caba48 1119 td->o.ss_state |= FIO_SS_PCT;
16e56d25 1120 td->o.ss_limit.u.f = val;
c8caba48 1121 } else if (td->o.ss_state & FIO_SS_IOPS) {
16e56d25
VF		 1122 if (!str_to_float(nr, &val, 0)) {
1123 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1124 free(nr);
1125 return 1;
1126 }
1127
1128 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1129 free(nr);
1130 if (parse_dryrun())
1131 return 0;
1132
16e56d25 1133 td->o.ss_limit.u.f = val;
16e56d25
VF		 1134 } else { /* bandwidth criterion */
1135 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1136 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1137 free(nr);
1138 return 1;
1139 }
1140
1141 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1142 free(nr);
1143 if (parse_dryrun())
1144 return 0;
1145
16e56d25 1146 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF		 1147 }
1148
2c5d94bc 1149 td->ss.state = td->o.ss_state;
16e56d25
VF		 1150 return 0;
1151}
1152
8e827d35 1153/*
bcbfeefa 1154 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 1155 * is escaped with a '\', then that ':' is part of the filename and does not
1156 * indicate a new file.
1157 */
bcbfeefa 1158static char *get_next_name(char **ptr)
8e827d35
JA		 1159{
1160 char *str = *ptr;
1161 char *p, *start;
1162
1163 if (!str || !strlen(str))
1164 return NULL;
1165
1166 start = str;
1167 do {
1168 /*
1169 * No colon, we are done
1170 */
1171 p = strchr(str, ':');
1172 if (!p) {
1173 *ptr = NULL;
1174 break;
1175 }
1176
1177 /*
1178 * We got a colon, but it's the first character. Skip and
1179 * continue
1180 */
1181 if (p == start) {
1182 str = ++start;
1183 continue;
1184 }
1185
1186 if (*(p - 1) != '\\') {
1187 *p = '\0';
1188 *ptr = p + 1;
1189 break;
1190 }
1191
1192 memmove(p - 1, p, strlen(p) + 1);
1193 str = p;
1194 } while (1);
1195
1196 return start;
1197}
1198
bcbfeefa
CE		 1199
1200static int get_max_name_idx(char *input)
1201{
1202 unsigned int cur_idx;
1203 char *str, *p;
1204
1205 p = str = strdup(input);
1206 for (cur_idx = 0; ; cur_idx++)
1207 if (get_next_name(&str) == NULL)
1208 break;
1209
1210 free(p);
1211 return cur_idx;
1212}
1213
1214/*
1215 * Returns the directory at the index, indexes > entires will be
1216 * assigned via modulo division of the index
1217 */
922a5be8
JA		 1218int set_name_idx(char *target, size_t tlen, char *input, int index,
1219 bool unique_filename)
bcbfeefa
CE		 1220{
1221 unsigned int cur_idx;
1222 int len;
1223 char *fname, *str, *p;
1224
1225 p = str = strdup(input);
1226
1227 index %= get_max_name_idx(input);
1228 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1229 fname = get_next_name(&str);
1230
922a5be8 1231 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA		 1232 len = snprintf(target, tlen, "%s/%s.", fname,
1233 client_sockaddr_str);
1234 } else
1235 len = snprintf(target, tlen, "%s/", fname);
72a703da 1236
e13c3b50 1237 target[tlen - 1] = '\0';
bcbfeefa
CE		 1238 free(p);
1239
1240 return len;
1241}
1242
c70c7f58
AK		 1243char* get_name_by_idx(char *input, int index)
1244{
1245 unsigned int cur_idx;
1246 char *fname, *str, *p;
1247
1248 p = str = strdup(input);
1249
1250 index %= get_max_name_idx(input);
1251 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1252 fname = get_next_name(&str);
1253
1254 fname = strdup(fname);
1255 free(p);
1256
1257 return fname;
1258}
1259
214e1eca
JA		 1260static int str_filename_cb(void *data, const char *input)
1261{
a609f12a 1262 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA		 1263 char *fname, *str, *p;
1264
1265 p = str = strdup(input);
1266
1267 strip_blank_front(&str);
1268 strip_blank_end(str);
1269
79591fa9
TK		 1270 /*
1271 * Ignore what we may already have from nrfiles option.
1272 */
214e1eca 1273 if (!td->files_index)
2dc1bbeb 1274 td->o.nr_files = 0;
214e1eca 1275
bcbfeefa 1276 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 1277 if (!strlen(fname))
1278 break;
5903e7b7 1279 add_file(td, fname, 0, 1);
214e1eca
JA		 1280 }
1281
1282 free(p);
1283 return 0;
1284}
1285
bcbfeefa 1286static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1287{
a609f12a 1288 struct thread_data *td = cb_data_to_td(data);
214e1eca 1289 struct stat sb;
bcbfeefa
CE		 1290 char *dirname, *str, *p;
1291 int ret = 0;
214e1eca 1292
f9633d72
JA		 1293 if (parse_dryrun())
1294 return 0;
1295
bcbfeefa
CE		 1296 p = str = strdup(td->o.directory);
1297 while ((dirname = get_next_name(&str)) != NULL) {
1298 if (lstat(dirname, &sb) < 0) {
1299 ret = errno;
921c766f 1300
bcbfeefa
CE		 1301 log_err("fio: %s is not a directory\n", dirname);
1302 td_verror(td, ret, "lstat");
1303 goto out;
1304 }
1305 if (!S_ISDIR(sb.st_mode)) {
1306 log_err("fio: %s is not a directory\n", dirname);
1307 ret = 1;
1308 goto out;
1309 }
214e1eca
JA		 1310 }
1311
bcbfeefa
CE		 1312out:
1313 free(p);
1314 return ret;
214e1eca
JA		 1315}
1316
1317static int str_opendir_cb(void *data, const char fio_unused *str)
1318{
a609f12a 1319 struct thread_data *td = cb_data_to_td(data);
214e1eca 1320
52c0cea3
JA		 1321 if (parse_dryrun())
1322 return 0;
1323
214e1eca 1324 if (!td->files_index)
2dc1bbeb 1325 td->o.nr_files = 0;
214e1eca 1326
2dc1bbeb 1327 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1328}
1329
ce35b1ec
JA		 1330static int str_buffer_pattern_cb(void *data, const char *input)
1331{
a609f12a 1332 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1333 int ret;
1334
61b9861d
RP		 1335 /* FIXME: for now buffer pattern does not support formats */
1336 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1337 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1338 if (ret < 0)
1339 return 1;
ce35b1ec 1340
61b9861d
RP		 1341 assert(ret != 0);
1342 td->o.buffer_pattern_bytes = ret;
c55fae03
JA		 1343
1344 /*
1345 * If this job is doing any reading or has compression set,
1346 * ensure that we refill buffers for writes or we could be
1347 * invalidating the pattern through reads.
1348 */
1349 if (!td->o.compress_percentage && !td_read(td))
61b9861d 1350 td->o.refill_buffers = 0;
c55fae03
JA		 1351 else
1352 td->o.refill_buffers = 1;
1353
61b9861d
RP		 1354 td->o.scramble_buffers = 0;
1355 td->o.zero_buffers = 0;
efcd9dcc 1356
61b9861d 1357 return 0;
ce35b1ec
JA		 1358}
1359
bedc9dc2
JA		 1360static int str_buffer_compress_cb(void *data, unsigned long long *il)
1361{
a609f12a 1362 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA		 1363
1364 td->flags |= TD_F_COMPRESS;
1365 td->o.compress_percentage = *il;
1366 return 0;
1367}
1368
5c94b008
JA		 1369static int str_dedupe_cb(void *data, unsigned long long *il)
1370{
a609f12a 1371 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA		 1372
1373 td->flags |= TD_F_COMPRESS;
1374 td->o.dedupe_percentage = *il;
1375 td->o.refill_buffers = 1;
1376 return 0;
1377}
1378
ce35b1ec
JA		 1379static int str_verify_pattern_cb(void *data, const char *input)
1380{
a609f12a 1381 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1382 int ret;
1383
61b9861d
RP		 1384 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1385 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA		 1386 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1387 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1388 if (ret < 0)
1389 return 1;
efcd9dcc 1390
61b9861d
RP		 1391 assert(ret != 0);
1392 td->o.verify_pattern_bytes = ret;
92bf48d5 1393 /*
b638d82f 1394 * VERIFY_* could already be set
92bf48d5 1395 */
61b9861d 1396 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1397 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1398
61b9861d 1399 return 0;
90059d65 1400}
214e1eca 1401
993bf48b
JA		 1402static int str_gtod_reduce_cb(void *data, int *il)
1403{
a609f12a 1404 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA		 1405 int val = *il;
1406
02af0988 1407 td->o.disable_lat = !!val;
993bf48b
JA		 1408 td->o.disable_clat = !!val;
1409 td->o.disable_slat = !!val;
1410 td->o.disable_bw = !!val;
0dc1bc03 1411 td->o.clat_percentiles = !val;
993bf48b 1412 if (val)
8b6a404c 1413 td->ts_cache_mask = 63;
993bf48b
JA		 1414
1415 return 0;
1416}
1417
89978a6b
BW		 1418static int str_offset_cb(void *data, unsigned long long *__val)
1419{
1420 struct thread_data *td = cb_data_to_td(data);
1421 unsigned long long v = *__val;
1422
1423 if (parse_is_percent(v)) {
1424 td->o.start_offset = 0;
1425 td->o.start_offset_percent = -1ULL - v;
872e0415
JA		 1426 dprint(FD_PARSE, "SET start_offset_percent %d\n",
1427 td->o.start_offset_percent);
89978a6b
BW		 1428 } else
1429 td->o.start_offset = v;
1430
1431 return 0;
1432}
1433
7bb59102
JA		 1434static int str_size_cb(void *data, unsigned long long *__val)
1435{
a609f12a 1436 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA		 1437 unsigned long long v = *__val;
1438
1439 if (parse_is_percent(v)) {
1440 td->o.size = 0;
1441 td->o.size_percent = -1ULL - v;
24e4321c
TK		 1442 dprint(FD_PARSE, "SET size_percent %d\n",
1443 td->o.size_percent);
7bb59102
JA		 1444 } else
1445 td->o.size = v;
1446
1447 return 0;
1448}
1449
dded427c
OS		 1450static int str_write_bw_log_cb(void *data, const char *str)
1451{
1452 struct thread_data *td = cb_data_to_td(data);
1453
1454 if (str)
1455 td->o.bw_log_file = strdup(str);
1456
1457 td->o.write_bw_log = 1;
1458 return 0;
1459}
1460
1461static int str_write_lat_log_cb(void *data, const char *str)
1462{
1463 struct thread_data *td = cb_data_to_td(data);
1464
1465 if (str)
1466 td->o.lat_log_file = strdup(str);
1467
1468 td->o.write_lat_log = 1;
1469 return 0;
1470}
1471
1472static int str_write_iops_log_cb(void *data, const char *str)
1473{
1474 struct thread_data *td = cb_data_to_td(data);
1475
1476 if (str)
1477 td->o.iops_log_file = strdup(str);
1478
1479 td->o.write_iops_log = 1;
1480 return 0;
1481}
1482
1483static int str_write_hist_log_cb(void *data, const char *str)
1484{
1485 struct thread_data *td = cb_data_to_td(data);
1486
1487 if (str)
1488 td->o.hist_log_file = strdup(str);
1489
1490 td->o.write_hist_log = 1;
1491 return 0;
1492}
1493
6730b40f
TK		 1494/*
1495 * str is supposed to be a substring of the strdup'd original string,
1496 * and is valid only if it's a regular file path.
1497 * This function keeps the pointer to the path as needed later.
1498 *
1499 * "external:/path/to/so\0" <- original pointer updated with strdup'd
1500 * "external\0" <- above pointer after parsed, i.e. ->ioengine
1501 * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
1502 */
1503static int str_ioengine_external_cb(void *data, const char *str)
1504{
1505 struct thread_data *td = cb_data_to_td(data);
1506 struct stat sb;
1507 char *p;
1508
1509 if (!str) {
1510 log_err("fio: null external ioengine path\n");
1511 return 1;
1512 }
1513
1514 p = (char *)str; /* str is mutable */
1515 strip_blank_front(&p);
1516 strip_blank_end(p);
1517
1518 if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
1519 log_err("fio: invalid external ioengine path \"%s\"\n", p);
1520 return 1;
1521 }
1522
1523 td->o.ioengine_so_path = p;
1524 return 0;
1525}
1526
9109883a 1527static int rw_verify(const struct fio_option *o, void *data)
896cac2a 1528{
a609f12a 1529 struct thread_data *td = cb_data_to_td(data);
896cac2a 1530
d81d0f99
VF		 1531 if (read_only && (td_write(td) || td_trim(td))) {
1532 log_err("fio: job <%s> has write or trim bit set, but"
1533 " fio is in read-only mode\n", td->o.name);
896cac2a
JA		 1534 return 1;
1535 }
1536
1537 return 0;
1538}
1539
9109883a 1540static int gtod_cpu_verify(const struct fio_option *o, void *data)
29d43ff9 1541{
276ca4f7 1542#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1543 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1544
29d43ff9
JA		 1545 if (td->o.gtod_cpu) {
1546 log_err("fio: platform must support CPU affinity for"
1547 "gettimeofday() offloading\n");
1548 return 1;
1549 }
1550#endif
1551
1552 return 0;
1553}
1554
214e1eca
JA		 1555/*
1556 * Map of job/command line options
1557 */
9af4a244 1558struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1559 {
1560 .name = "description",
e8b0e958 1561 .lname = "Description of job",
214e1eca 1562 .type = FIO_OPT_STR_STORE,
a609f12a 1563 .off1 = offsetof(struct thread_options, description),
214e1eca 1564 .help = "Text job description",
e8b0e958 1565 .category = FIO_OPT_C_GENERAL,
0626037e 1566 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1567 },
1568 {
1569 .name = "name",
e8b0e958 1570 .lname = "Job name",
214e1eca 1571 .type = FIO_OPT_STR_STORE,
a609f12a 1572 .off1 = offsetof(struct thread_options, name),
214e1eca 1573 .help = "Name of this job",
e8b0e958 1574 .category = FIO_OPT_C_GENERAL,
0626037e 1575 .group = FIO_OPT_G_DESC,
214e1eca 1576 },
9cc8cb91
AK		 1577 {
1578 .name = "wait_for",
1579 .lname = "Waitee name",
1580 .type = FIO_OPT_STR_STORE,
a609f12a 1581 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1582 .help = "Name of the job this one wants to wait for before starting",
1583 .category = FIO_OPT_C_GENERAL,
1584 .group = FIO_OPT_G_DESC,
1585 },
214e1eca
JA		 1586 {
1587 .name = "filename",
e8b0e958 1588 .lname = "Filename(s)",
214e1eca 1589 .type = FIO_OPT_STR_STORE,
a609f12a 1590 .off1 = offsetof(struct thread_options, filename),
214e1eca 1591 .cb = str_filename_cb,
f0d524b0 1592 .prio = -1, /* must come after "directory" */
214e1eca 1593 .help = "File(s) to use for the workload",
e8b0e958 1594 .category = FIO_OPT_C_FILE,
0626037e 1595 .group = FIO_OPT_G_FILENAME,
214e1eca 1596 },
90fef2d1 1597 {
e8b0e958
JA		 1598 .name = "directory",
1599 .lname = "Directory",
1600 .type = FIO_OPT_STR_STORE,
a609f12a 1601 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1602 .cb = str_directory_cb,
1603 .help = "Directory to store files in",
1604 .category = FIO_OPT_C_FILE,
0626037e 1605 .group = FIO_OPT_G_FILENAME,
90fef2d1 1606 },
de98bd30
JA		 1607 {
1608 .name = "filename_format",
922a5be8 1609 .lname = "Filename Format",
de98bd30 1610 .type = FIO_OPT_STR_STORE,
a609f12a 1611 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1612 .prio = -1, /* must come after "directory" */
1613 .help = "Override default $jobname.$jobnum.$filenum naming",
1614 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1615 .category = FIO_OPT_C_FILE,
1616 .group = FIO_OPT_G_FILENAME,
ad705bcb 1617 },
922a5be8
JA		 1618 {
1619 .name = "unique_filename",
1620 .lname = "Unique Filename",
1621 .type = FIO_OPT_BOOL,
a609f12a 1622 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1623 .help = "For network clients, prefix file with source IP",
1624 .def = "1",
1625 .category = FIO_OPT_C_FILE,
1626 .group = FIO_OPT_G_FILENAME,
1627 },
29c1349f
JA		 1628 {
1629 .name = "lockfile",
e8b0e958 1630 .lname = "Lockfile",
4d4e80f2 1631 .type = FIO_OPT_STR,
a609f12a 1632 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1633 .help = "Lock file when doing IO to it",
bc6a0a5d 1634 .prio = 1,
29c1349f 1635 .parent = "filename",
d71c154c 1636 .hide = 0,
4d4e80f2 1637 .def = "none",
e8b0e958 1638 .category = FIO_OPT_C_FILE,
0626037e 1639 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1640 .posval = {
1641 { .ival = "none",
1642 .oval = FILE_LOCK_NONE,
1643 .help = "No file locking",
1644 },
1645 { .ival = "exclusive",
1646 .oval = FILE_LOCK_EXCLUSIVE,
1647 .help = "Exclusive file lock",
1648 },
1649 {
1650 .ival = "readwrite",
1651 .oval = FILE_LOCK_READWRITE,
1652 .help = "Read vs write lock",
1653 },
1654 },
29c1349f 1655 },
214e1eca
JA		 1656 {
1657 .name = "opendir",
e8b0e958 1658 .lname = "Open directory",
214e1eca 1659 .type = FIO_OPT_STR_STORE,
a609f12a 1660 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1661 .cb = str_opendir_cb,
1662 .help = "Recursively add files from this directory and down",
e8b0e958 1663 .category = FIO_OPT_C_FILE,
0626037e 1664 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1665 },
1666 {
1667 .name = "rw",
e8b0e958 1668 .lname = "Read/write",
d3aad8f2 1669 .alias = "readwrite",
214e1eca 1670 .type = FIO_OPT_STR,
211097b2 1671 .cb = str_rw_cb,
a609f12a 1672 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1673 .help = "IO direction",
1674 .def = "read",
896cac2a 1675 .verify = rw_verify,
e8b0e958 1676 .category = FIO_OPT_C_IO,
0626037e 1677 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1678 .posval = {
1679 { .ival = "read",
1680 .oval = TD_DDIR_READ,
1681 .help = "Sequential read",
1682 },
1683 { .ival = "write",
1684 .oval = TD_DDIR_WRITE,
1685 .help = "Sequential write",
1686 },
6eaf09d6
SL		 1687 { .ival = "trim",
1688 .oval = TD_DDIR_TRIM,
1689 .help = "Sequential trim",
1690 },
214e1eca
JA		 1691 { .ival = "randread",
1692 .oval = TD_DDIR_RANDREAD,
1693 .help = "Random read",
1694 },
1695 { .ival = "randwrite",
1696 .oval = TD_DDIR_RANDWRITE,
1697 .help = "Random write",
1698 },
6eaf09d6
SL		 1699 { .ival = "randtrim",
1700 .oval = TD_DDIR_RANDTRIM,
1701 .help = "Random trim",
1702 },
214e1eca
JA		 1703 { .ival = "rw",
1704 .oval = TD_DDIR_RW,
1705 .help = "Sequential read and write mix",
1706 },
10b023db
JA		 1707 { .ival = "readwrite",
1708 .oval = TD_DDIR_RW,
1709 .help = "Sequential read and write mix",
1710 },
214e1eca
JA		 1711 { .ival = "randrw",
1712 .oval = TD_DDIR_RANDRW,
1713 .help = "Random read and write mix"
1714 },
82a90686
JA		 1715 { .ival = "trimwrite",
1716 .oval = TD_DDIR_TRIMWRITE,
1717 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1718 },
214e1eca
JA		 1719 },
1720 },
38dad62d
JA		 1721 {
1722 .name = "rw_sequencer",
e8b0e958 1723 .lname = "RW Sequencer",
38dad62d 1724 .type = FIO_OPT_STR,
a609f12a 1725 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1726 .help = "IO offset generator modifier",
1727 .def = "sequential",
e8b0e958 1728 .category = FIO_OPT_C_IO,
0626037e 1729 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1730 .posval = {
1731 { .ival = "sequential",
1732 .oval = RW_SEQ_SEQ,
1733 .help = "Generate sequential offsets",
1734 },
1735 { .ival = "identical",
1736 .oval = RW_SEQ_IDENT,
1737 .help = "Generate identical offsets",
1738 },
1739 },
1740 },
1741
214e1eca
JA		 1742 {
1743 .name = "ioengine",
e8b0e958 1744 .lname = "IO Engine",
214e1eca 1745 .type = FIO_OPT_STR_STORE,
a609f12a 1746 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1747 .help = "IO engine to use",
58483fa4 1748 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1749 .category = FIO_OPT_C_IO,
0626037e 1750 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1751 .posval = {
1752 { .ival = "sync",
1753 .help = "Use read/write",
1754 },
a31041ea 1755 { .ival = "psync",
1756 .help = "Use pread/pwrite",
1757 },
1d2af02a 1758 { .ival = "vsync",
03e20d68 1759 .help = "Use readv/writev",
1d2af02a 1760 },
07fc0acd
JA		 1761#ifdef CONFIG_PWRITEV
1762 { .ival = "pvsync",
1763 .help = "Use preadv/pwritev",
1764 },
1765#endif
6562685f 1766#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1767 { .ival = "pvsync2",
1768 .help = "Use preadv2/pwritev2",
1769 },
1770#endif
67bf9823 1771#ifdef CONFIG_LIBAIO
214e1eca
JA		 1772 { .ival = "libaio",
1773 .help = "Linux native asynchronous IO",
1774 },
1775#endif
67bf9823 1776#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1777 { .ival = "posixaio",
1778 .help = "POSIX asynchronous IO",
1779 },
417f0068 1780#endif
997843cb 1781#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1782 { .ival = "solarisaio",
1783 .help = "Solaris native asynchronous IO",
1784 },
214e1eca 1785#endif
4700b234 1786#ifdef CONFIG_WINDOWSAIO
03e20d68 1787 { .ival = "windowsaio",
3be80071 1788 .help = "Windows native asynchronous IO"
de890a1e 1789 },
fc5c0345
DG		 1790#endif
1791#ifdef CONFIG_RBD
1792 { .ival = "rbd",
1793 .help = "Rados Block Device asynchronous IO"
1794 },
3be80071 1795#endif
214e1eca 1796 { .ival = "mmap",
03e20d68 1797 .help = "Memory mapped IO"
214e1eca 1798 },
67bf9823 1799#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1800 { .ival = "splice",
1801 .help = "splice/vmsplice based IO",
1802 },
9cce02e8
JA		 1803 { .ival = "netsplice",
1804 .help = "splice/vmsplice to/from the network",
1805 },
214e1eca
JA		 1806#endif
1807#ifdef FIO_HAVE_SGIO
1808 { .ival = "sg",
1809 .help = "SCSI generic v3 IO",
1810 },
1811#endif
1812 { .ival = "null",
1813 .help = "Testing engine (no data transfer)",
1814 },
1815 { .ival = "net",
1816 .help = "Network IO",
1817 },
214e1eca 1818 { .ival = "cpuio",
03e20d68 1819 .help = "CPU cycle burner engine",
214e1eca 1820 },
67bf9823 1821#ifdef CONFIG_GUASI
b8c82a46
JA		 1822 { .ival = "guasi",
1823 .help = "GUASI IO engine",
1824 },
79a43187 1825#endif
67bf9823 1826#ifdef CONFIG_RDMA
21b8aee8 1827 { .ival = "rdma",
1828 .help = "RDMA IO engine",
1829 },
8200b8c7 1830#endif
67bf9823 1831#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1832 { .ival = "fusion-aw-sync",
1833 .help = "Fusion-io atomic write engine",
1834 },
1ecc95ca 1835#endif
997843cb 1836#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1837 { .ival = "e4defrag",
1838 .help = "ext4 defrag engine",
1839 },
1840#endif
997843cb 1841#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1842 { .ival = "falloc",
1843 .help = "fallocate() file based engine",
1844 },
b8c82a46 1845#endif
a7c386f4 1846#ifdef CONFIG_GFAPI
1847 { .ival = "gfapi",
cc47f094 1848 .help = "Glusterfs libgfapi(sync) based engine"
1849 },
1850 { .ival = "gfapi_async",
1851 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1852 },
1853#endif
1b10477b 1854#ifdef CONFIG_LIBHDFS
b74e419e 1855 { .ival = "libhdfs",
1b10477b
MM		 1856 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1857 },
5c4ef02e
JA		 1858#endif
1859#ifdef CONFIG_PMEMBLK
1860 { .ival = "pmemblk",
363a5f65 1861 .help = "PMDK libpmemblk based IO engine",
5c4ef02e
JA		 1862 },
1863
104ee4de 1864#endif
a40e7a59
GB		 1865#ifdef CONFIG_IME
1866 { .ival = "ime_psync",
1867 .help = "DDN's IME synchronous IO engine",
1868 },
1869 { .ival = "ime_psyncv",
1870 .help = "DDN's IME synchronous IO engine using iovecs",
1871 },
1872 { .ival = "ime_aio",
1873 .help = "DDN's IME asynchronous IO engine",
1874 },
1875#endif
104ee4de
DJ		 1876#ifdef CONFIG_LINUX_DEVDAX
1877 { .ival = "dev-dax",
1878 .help = "DAX Device based IO engine",
1879 },
1b10477b 1880#endif
edc5fa12
JA		 1881 {
1882 .ival = "filecreate",
1883 .help = "File creation engine",
1884 },
214e1eca
JA		 1885 { .ival = "external",
1886 .help = "Load external engine (append name)",
6730b40f 1887 .cb = str_ioengine_external_cb,
214e1eca 1888 },
ae0db592
TI		 1889#ifdef CONFIG_LIBPMEM
1890 { .ival = "libpmem",
363a5f65 1891 .help = "PMDK libpmem based IO engine",
ae0db592 1892 },
c2f6a13d
LMB		 1893#endif
1894#ifdef CONFIG_HTTP
1895 { .ival = "http",
1896 .help = "HTTP (WebDAV/S3) IO engine",
1897 },
ae0db592 1898#endif
214e1eca
JA		 1899 },
1900 },
1901 {
1902 .name = "iodepth",
e8b0e958 1903 .lname = "IO Depth",
214e1eca 1904 .type = FIO_OPT_INT,
a609f12a 1905 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1906 .help = "Number of IO buffers to keep in flight",
757aff4f 1907 .minval = 1,
20eb06bd 1908 .interval = 1,
214e1eca 1909 .def = "1",
e8b0e958 1910 .category = FIO_OPT_C_IO,
0626037e 1911 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1912 },
1913 {
1914 .name = "iodepth_batch",
e8b0e958 1915 .lname = "IO Depth batch",
4950421a 1916 .alias = "iodepth_batch_submit",
214e1eca 1917 .type = FIO_OPT_INT,
a609f12a 1918 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1919 .help = "Number of IO buffers to submit in one go",
afdf9352 1920 .parent = "iodepth",
d71c154c 1921 .hide = 1,
20eb06bd 1922 .interval = 1,
a2e6f8ac 1923 .def = "1",
e8b0e958 1924 .category = FIO_OPT_C_IO,
0626037e 1925 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1926 },
1927 {
82407585
RP		 1928 .name = "iodepth_batch_complete_min",
1929 .lname = "Min IO depth batch complete",
1930 .alias = "iodepth_batch_complete",
4950421a 1931 .type = FIO_OPT_INT,
a609f12a 1932 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1933 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1934 .parent = "iodepth",
d71c154c 1935 .hide = 1,
4950421a 1936 .minval = 0,
20eb06bd 1937 .interval = 1,
4950421a 1938 .def = "1",
e8b0e958 1939 .category = FIO_OPT_C_IO,
0626037e 1940 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1941 },
82407585
RP		 1942 {
1943 .name = "iodepth_batch_complete_max",
1944 .lname = "Max IO depth batch complete",
1945 .type = FIO_OPT_INT,
a609f12a 1946 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1947 .help = "Max number of IO buffers to retrieve in one go",
1948 .parent = "iodepth",
1949 .hide = 1,
1950 .minval = 0,
1951 .interval = 1,
1952 .category = FIO_OPT_C_IO,
1953 .group = FIO_OPT_G_IO_BASIC,
1954 },
214e1eca
JA		 1955 {
1956 .name = "iodepth_low",
e8b0e958 1957 .lname = "IO Depth batch low",
214e1eca 1958 .type = FIO_OPT_INT,
a609f12a 1959 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1960 .help = "Low water mark for queuing depth",
afdf9352 1961 .parent = "iodepth",
d71c154c 1962 .hide = 1,
20eb06bd 1963 .interval = 1,
e8b0e958 1964 .category = FIO_OPT_C_IO,
0626037e 1965 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1966 },
997b5680
SW		 1967 {
1968 .name = "serialize_overlap",
1969 .lname = "Serialize overlap",
1970 .off1 = offsetof(struct thread_options, serialize_overlap),
1971 .type = FIO_OPT_BOOL,
1972 .help = "Wait for in-flight IOs that collide to complete",
1973 .parent = "iodepth",
1974 .def = "0",
1975 .category = FIO_OPT_C_IO,
1976 .group = FIO_OPT_G_IO_BASIC,
1977 },
a9da8ab2
JA		 1978 {
1979 .name = "io_submit_mode",
1980 .lname = "IO submit mode",
1981 .type = FIO_OPT_STR,
a609f12a 1982 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1983 .help = "How IO submissions and completions are done",
1984 .def = "inline",
1985 .category = FIO_OPT_C_IO,
1986 .group = FIO_OPT_G_IO_BASIC,
1987 .posval = {
1988 { .ival = "inline",
1989 .oval = IO_MODE_INLINE,
1990 .help = "Submit and complete IO inline",
1991 },
1992 { .ival = "offload",
1993 .oval = IO_MODE_OFFLOAD,
1994 .help = "Offload submit and complete to threads",
1995 },
1996 },
1997 },
214e1eca
JA		 1998 {
1999 .name = "size",
e8b0e958 2000 .lname = "Size",
214e1eca 2001 .type = FIO_OPT_STR_VAL,
7bb59102 2002 .cb = str_size_cb,
a609f12a 2003 .off1 = offsetof(struct thread_options, size),
214e1eca 2004 .help = "Total size of device or files",
20eb06bd 2005 .interval = 1024 * 1024,
e8b0e958
JA		 2006 .category = FIO_OPT_C_IO,
2007 .group = FIO_OPT_G_INVALID,
214e1eca 2008 },
77731b29 2009 {
a4d3b4db
JA		 2010 .name = "io_size",
2011 .alias = "io_limit",
2012 .lname = "IO Size",
77731b29 2013 .type = FIO_OPT_STR_VAL,
5be9bf09 2014 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 2015 .help = "Total size of I/O to be performed",
77731b29
JA		 2016 .interval = 1024 * 1024,
2017 .category = FIO_OPT_C_IO,
2018 .group = FIO_OPT_G_INVALID,
2019 },
aa31f1f1
SL		 2020 {
2021 .name = "fill_device",
e8b0e958 2022 .lname = "Fill device",
74586c1e 2023 .alias = "fill_fs",
aa31f1f1 2024 .type = FIO_OPT_BOOL,
a609f12a 2025 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 2026 .help = "Write until an ENOSPC error occurs",
2027 .def = "0",
e8b0e958
JA		 2028 .category = FIO_OPT_C_FILE,
2029 .group = FIO_OPT_G_INVALID,
aa31f1f1 2030 },
214e1eca
JA		 2031 {
2032 .name = "filesize",
e8b0e958 2033 .lname = "File size",
214e1eca 2034 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 2035 .off1 = offsetof(struct thread_options, file_size_low),
2036 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 2037 .minval = 1,
214e1eca 2038 .help = "Size of individual files",
20eb06bd 2039 .interval = 1024 * 1024,
e8b0e958
JA		 2040 .category = FIO_OPT_C_FILE,
2041 .group = FIO_OPT_G_INVALID,
214e1eca 2042 },
bedc9dc2
JA		 2043 {
2044 .name = "file_append",
2045 .lname = "File append",
2046 .type = FIO_OPT_BOOL,
a609f12a 2047 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 2048 .help = "IO will start at the end of the file(s)",
2049 .def = "0",
2050 .category = FIO_OPT_C_FILE,
2051 .group = FIO_OPT_G_INVALID,
2052 },
67a1000f
JA		 2053 {
2054 .name = "offset",
e8b0e958 2055 .lname = "IO offset",
67a1000f
JA		 2056 .alias = "fileoffset",
2057 .type = FIO_OPT_STR_VAL,
89978a6b 2058 .cb = str_offset_cb,
a609f12a 2059 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 2060 .help = "Start IO from this offset",
2061 .def = "0",
20eb06bd 2062 .interval = 1024 * 1024,
e8b0e958
JA		 2063 .category = FIO_OPT_C_IO,
2064 .group = FIO_OPT_G_INVALID,
67a1000f 2065 },
83c8b093
JF		 2066 {
2067 .name = "offset_align",
2068 .lname = "IO offset alignment",
2069 .type = FIO_OPT_INT,
2070 .off1 = offsetof(struct thread_options, start_offset_align),
2071 .help = "Start IO from this offset alignment",
2072 .def = "0",
2073 .interval = 512,
2074 .category = FIO_OPT_C_IO,
2075 .group = FIO_OPT_G_INVALID,
2076 },
2d7cd868
JA		 2077 {
2078 .name = "offset_increment",
e8b0e958 2079 .lname = "IO offset increment",
2d7cd868 2080 .type = FIO_OPT_STR_VAL,
a609f12a 2081 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 2082 .help = "What is the increment from one offset to the next",
2083 .parent = "offset",
d71c154c 2084 .hide = 1,
2d7cd868 2085 .def = "0",
20eb06bd 2086 .interval = 1024 * 1024,
e8b0e958
JA		 2087 .category = FIO_OPT_C_IO,
2088 .group = FIO_OPT_G_INVALID,
2d7cd868 2089 },
ddf24e42
JA		 2090 {
2091 .name = "number_ios",
2092 .lname = "Number of IOs to perform",
2093 .type = FIO_OPT_STR_VAL,
a609f12a 2094 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2095 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 2096 .def = "0",
2097 .category = FIO_OPT_C_IO,
2098 .group = FIO_OPT_G_INVALID,
2099 },
214e1eca
JA		 2100 {
2101 .name = "bs",
e8b0e958 2102 .lname = "Block size",
d3aad8f2 2103 .alias = "blocksize",
5fff9543 2104 .type = FIO_OPT_ULL,
a609f12a
JA		 2105 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2106 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2107 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2108 .minval = 1,
214e1eca 2109 .help = "Block size unit",
2b9136a3 2110 .def = "4096",
67a1000f 2111 .parent = "rw",
d71c154c 2112 .hide = 1,
20eb06bd 2113 .interval = 512,
e8b0e958
JA		 2114 .category = FIO_OPT_C_IO,
2115 .group = FIO_OPT_G_INVALID,
214e1eca 2116 },
2b7a01d0
JA		 2117 {
2118 .name = "ba",
e8b0e958 2119 .lname = "Block size align",
2b7a01d0 2120 .alias = "blockalign",
5fff9543 2121 .type = FIO_OPT_ULL,
a609f12a
JA		 2122 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2123 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2124 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2125 .minval = 1,
2126 .help = "IO block offset alignment",
2127 .parent = "rw",
d71c154c 2128 .hide = 1,
20eb06bd 2129 .interval = 512,
e8b0e958
JA		 2130 .category = FIO_OPT_C_IO,
2131 .group = FIO_OPT_G_INVALID,
2b7a01d0 2132 },
214e1eca
JA		 2133 {
2134 .name = "bsrange",
e8b0e958 2135 .lname = "Block size range",
d3aad8f2 2136 .alias = "blocksize_range",
214e1eca 2137 .type = FIO_OPT_RANGE,
a609f12a
JA		 2138 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2139 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2140 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2141 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2142 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2143 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2144 .minval = 1,
214e1eca 2145 .help = "Set block size range (in more detail than bs)",
67a1000f 2146 .parent = "rw",
d71c154c 2147 .hide = 1,
20eb06bd 2148 .interval = 4096,
e8b0e958
JA		 2149 .category = FIO_OPT_C_IO,
2150 .group = FIO_OPT_G_INVALID,
214e1eca 2151 },
564ca972
JA		 2152 {
2153 .name = "bssplit",
e8b0e958 2154 .lname = "Block size split",
5fff9543 2155 .type = FIO_OPT_STR_ULL,
564ca972 2156 .cb = str_bssplit_cb,
a609f12a 2157 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2158 .help = "Set a specific mix of block sizes",
2159 .parent = "rw",
d71c154c 2160 .hide = 1,
e8b0e958
JA		 2161 .category = FIO_OPT_C_IO,
2162 .group = FIO_OPT_G_INVALID,
564ca972 2163 },
214e1eca
JA		 2164 {
2165 .name = "bs_unaligned",
e8b0e958 2166 .lname = "Block size unaligned",
d3aad8f2 2167 .alias = "blocksize_unaligned",
214e1eca 2168 .type = FIO_OPT_STR_SET,
a609f12a 2169 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2170 .help = "Don't sector align IO buffer sizes",
67a1000f 2171 .parent = "rw",
d71c154c 2172 .hide = 1,
e8b0e958
JA		 2173 .category = FIO_OPT_C_IO,
2174 .group = FIO_OPT_G_INVALID,
214e1eca 2175 },
6aca9b3d
JA		 2176 {
2177 .name = "bs_is_seq_rand",
2178 .lname = "Block size division is seq/random (not read/write)",
2179 .type = FIO_OPT_BOOL,
a609f12a 2180 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2181 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2182 .def = "0",
2183 .parent = "blocksize",
2184 .category = FIO_OPT_C_IO,
2185 .group = FIO_OPT_G_INVALID,
2186 },
214e1eca
JA		 2187 {
2188 .name = "randrepeat",
e8b0e958 2189 .lname = "Random repeatable",
214e1eca 2190 .type = FIO_OPT_BOOL,
a609f12a 2191 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2192 .help = "Use repeatable random IO pattern",
2193 .def = "1",
67a1000f 2194 .parent = "rw",
d71c154c 2195 .hide = 1,
e8b0e958 2196 .category = FIO_OPT_C_IO,
3ceb458f 2197 .group = FIO_OPT_G_RANDOM,
214e1eca 2198 },
04778baf
JA		 2199 {
2200 .name = "randseed",
2201 .lname = "The random generator seed",
363cffa7 2202 .type = FIO_OPT_STR_VAL,
a609f12a 2203 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2204 .help = "Set the random generator seed value",
40fe5e7b 2205 .def = "0x89",
04778baf
JA		 2206 .parent = "rw",
2207 .category = FIO_OPT_C_IO,
2208 .group = FIO_OPT_G_RANDOM,
2209 },
2615cc4b
JA		 2210 {
2211 .name = "use_os_rand",
e8b0e958 2212 .lname = "Use OS random",
54a21917 2213 .type = FIO_OPT_DEPRECATED,
a609f12a 2214 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2215 .category = FIO_OPT_C_IO,
3ceb458f 2216 .group = FIO_OPT_G_RANDOM,
2615cc4b 2217 },
214e1eca
JA		 2218 {
2219 .name = "norandommap",
e8b0e958 2220 .lname = "No randommap",
214e1eca 2221 .type = FIO_OPT_STR_SET,
a609f12a 2222 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2223 .help = "Accept potential duplicate random blocks",
67a1000f 2224 .parent = "rw",
d71c154c 2225 .hide = 1,
b2452a43 2226 .hide_on_set = 1,
e8b0e958 2227 .category = FIO_OPT_C_IO,
3ceb458f 2228 .group = FIO_OPT_G_RANDOM,
214e1eca 2229 },
2b386d25
JA		 2230 {
2231 .name = "softrandommap",
e8b0e958 2232 .lname = "Soft randommap",
2b386d25 2233 .type = FIO_OPT_BOOL,
a609f12a 2234 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2235 .help = "Set norandommap if randommap allocation fails",
2b386d25 2236 .parent = "norandommap",
d71c154c 2237 .hide = 1,
2b386d25 2238 .def = "0",
e8b0e958 2239 .category = FIO_OPT_C_IO,
3ceb458f 2240 .group = FIO_OPT_G_RANDOM,
2b386d25 2241 },
8055e41d
JA		 2242 {
2243 .name = "random_generator",
cce2fdfe 2244 .lname = "Random Generator",
8055e41d 2245 .type = FIO_OPT_STR,
a609f12a 2246 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2247 .help = "Type of random number generator to use",
2248 .def = "tausworthe",
2249 .posval = {
2250 { .ival = "tausworthe",
2251 .oval = FIO_RAND_GEN_TAUSWORTHE,
2252 .help = "Strong Tausworthe generator",
2253 },
2254 { .ival = "lfsr",
2255 .oval = FIO_RAND_GEN_LFSR,
2256 .help = "Variable length LFSR",
2257 },
c3546b53
JA		 2258 {
2259 .ival = "tausworthe64",
2260 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2261 .help = "64-bit Tausworthe variant",
2262 },
8055e41d 2263 },
48107598
JA		 2264 .category = FIO_OPT_C_IO,
2265 .group = FIO_OPT_G_RANDOM,
8055e41d 2266 },
e25839d4
JA		 2267 {
2268 .name = "random_distribution",
cce2fdfe 2269 .lname = "Random Distribution",
e25839d4 2270 .type = FIO_OPT_STR,
a609f12a 2271 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2272 .cb = str_random_distribution_cb,
2273 .help = "Random offset distribution generator",
2274 .def = "random",
2275 .posval = {
2276 { .ival = "random",
2277 .oval = FIO_RAND_DIST_RANDOM,
2278 .help = "Completely random",
2279 },
2280 { .ival = "zipf",
2281 .oval = FIO_RAND_DIST_ZIPF,
2282 .help = "Zipf distribution",
2283 },
925fee33
JA		 2284 { .ival = "pareto",
2285 .oval = FIO_RAND_DIST_PARETO,
2286 .help = "Pareto distribution",
2287 },
56d9fa4b
JA		 2288 { .ival = "normal",
2289 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2290 .help = "Normal (Gaussian) distribution",
56d9fa4b 2291 },
e0a04ac1
JA		 2292 { .ival = "zoned",
2293 .oval = FIO_RAND_DIST_ZONED,
2294 .help = "Zoned random distribution",
2295 },
59466396
JA		 2296 { .ival = "zoned_abs",
2297 .oval = FIO_RAND_DIST_ZONED_ABS,
2298 .help = "Zoned absolute random distribution",
2299 },
e25839d4 2300 },
48107598
JA		 2301 .category = FIO_OPT_C_IO,
2302 .group = FIO_OPT_G_RANDOM,
e25839d4 2303 },
211c9b89
JA		 2304 {
2305 .name = "percentage_random",
2306 .lname = "Percentage Random",
2307 .type = FIO_OPT_INT,
a609f12a
JA		 2308 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2309 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2310 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2311 .maxval = 100,
2312 .help = "Percentage of seq/random mix that should be random",
d9472271 2313 .def = "100,100,100",
211c9b89
JA		 2314 .interval = 5,
2315 .inverse = "percentage_sequential",
2316 .category = FIO_OPT_C_IO,
2317 .group = FIO_OPT_G_RANDOM,
2318 },
2319 {
2320 .name = "percentage_sequential",
2321 .lname = "Percentage Sequential",
d9472271 2322 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2323 .category = FIO_OPT_C_IO,
2324 .group = FIO_OPT_G_RANDOM,
2325 },
56e2a5fc
CE		 2326 {
2327 .name = "allrandrepeat",
cce2fdfe 2328 .lname = "All Random Repeat",
56e2a5fc 2329 .type = FIO_OPT_BOOL,
a609f12a 2330 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2331 .help = "Use repeatable random numbers for everything",
2332 .def = "0",
a869d9c6
JA		 2333 .category = FIO_OPT_C_IO,
2334 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2335 },
214e1eca
JA		 2336 {
2337 .name = "nrfiles",
e8b0e958 2338 .lname = "Number of files",
d7c8be03 2339 .alias = "nr_files",
214e1eca 2340 .type = FIO_OPT_INT,
a609f12a 2341 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2342 .help = "Split job workload between this number of files",
2343 .def = "1",
20eb06bd 2344 .interval = 1,
e8b0e958
JA		 2345 .category = FIO_OPT_C_FILE,
2346 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2347 },
2348 {
2349 .name = "openfiles",
e8b0e958 2350 .lname = "Number of open files",
214e1eca 2351 .type = FIO_OPT_INT,
a609f12a 2352 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2353 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2354 .category = FIO_OPT_C_FILE,
2355 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2356 },
2357 {
2358 .name = "file_service_type",
e8b0e958 2359 .lname = "File service type",
214e1eca
JA		 2360 .type = FIO_OPT_STR,
2361 .cb = str_fst_cb,
a609f12a 2362 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2363 .help = "How to select which file to service next",
2364 .def = "roundrobin",
e8b0e958
JA		 2365 .category = FIO_OPT_C_FILE,
2366 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2367 .posval = {
2368 { .ival = "random",
2369 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2370 .help = "Choose a file at random (uniform)",
2371 },
2372 { .ival = "zipf",
2373 .oval = FIO_FSERVICE_ZIPF,
2374 .help = "Zipf randomized",
2375 },
2376 { .ival = "pareto",
2377 .oval = FIO_FSERVICE_PARETO,
2378 .help = "Pareto randomized",
2379 },
dd3503d3
SW		 2380 { .ival = "normal",
2381 .oval = FIO_FSERVICE_GAUSS,
2382 .help = "Normal (Gaussian) randomized",
2383 },
8c07860d
JA		 2384 { .ival = "gauss",
2385 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2386 .help = "Alias for normal",
214e1eca
JA		 2387 },
2388 { .ival = "roundrobin",
2389 .oval = FIO_FSERVICE_RR,
2390 .help = "Round robin select files",
2391 },
a086c257
JA		 2392 { .ival = "sequential",
2393 .oval = FIO_FSERVICE_SEQ,
2394 .help = "Finish one file before moving to the next",
2395 },
214e1eca 2396 },
67a1000f 2397 .parent = "nrfiles",
d71c154c 2398 .hide = 1,
67a1000f 2399 },
cbbdf1c8 2400#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA		 2401 {
2402 .name = "fallocate",
e8b0e958 2403 .lname = "Fallocate",
a596f047 2404 .type = FIO_OPT_STR,
a609f12a 2405 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2406 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2407 .def = "native",
e8b0e958
JA		 2408 .category = FIO_OPT_C_FILE,
2409 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2410 .posval = {
2411 { .ival = "none",
2412 .oval = FIO_FALLOCATE_NONE,
2413 .help = "Do not pre-allocate space",
2414 },
2c3e17be
SW		 2415 { .ival = "native",
2416 .oval = FIO_FALLOCATE_NATIVE,
2417 .help = "Use native pre-allocation if possible",
2418 },
2419#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2420 { .ival = "posix",
2421 .oval = FIO_FALLOCATE_POSIX,
2422 .help = "Use posix_fallocate()",
2423 },
2c3e17be 2424#endif
97ac992c 2425#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2426 { .ival = "keep",
2427 .oval = FIO_FALLOCATE_KEEP_SIZE,
2428 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2429 },
7bc8c2cf 2430#endif
a596f047
EG		 2431 /* Compatibility with former boolean values */
2432 { .ival = "0",
2433 .oval = FIO_FALLOCATE_NONE,
2434 .help = "Alias for 'none'",
2435 },
2c3e17be 2436#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2437 { .ival = "1",
2438 .oval = FIO_FALLOCATE_POSIX,
2439 .help = "Alias for 'posix'",
2440 },
2c3e17be 2441#endif
a596f047
EG		 2442 },
2443 },
cbbdf1c8 2444#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA		 2445 {
2446 .name = "fallocate",
2447 .lname = "Fallocate",
2448 .type = FIO_OPT_UNSUPPORTED,
2449 .help = "Your platform does not support fallocate",
2450 },
cbbdf1c8 2451#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA		 2452 {
2453 .name = "fadvise_hint",
e8b0e958 2454 .lname = "Fadvise hint",
ecb2083d 2455 .type = FIO_OPT_STR,
a609f12a 2456 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2457 .posval = {
2458 { .ival = "0",
2459 .oval = F_ADV_NONE,
c712c97a 2460 .help = "Don't issue fadvise/madvise",
ecb2083d
JA		 2461 },
2462 { .ival = "1",
2463 .oval = F_ADV_TYPE,
2464 .help = "Advise using fio IO pattern",
2465 },
2466 { .ival = "random",
2467 .oval = F_ADV_RANDOM,
2468 .help = "Advise using FADV_RANDOM",
2469 },
2470 { .ival = "sequential",
2471 .oval = F_ADV_SEQUENTIAL,
2472 .help = "Advise using FADV_SEQUENTIAL",
2473 },
2474 },
67a1000f
JA		 2475 .help = "Use fadvise() to advise the kernel on IO pattern",
2476 .def = "1",
e8b0e958
JA		 2477 .category = FIO_OPT_C_FILE,
2478 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2479 },
2480 {
2481 .name = "fsync",
e8b0e958 2482 .lname = "Fsync",
214e1eca 2483 .type = FIO_OPT_INT,
a609f12a 2484 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2485 .help = "Issue fsync for writes every given number of blocks",
2486 .def = "0",
20eb06bd 2487 .interval = 1,
e8b0e958
JA		 2488 .category = FIO_OPT_C_FILE,
2489 .group = FIO_OPT_G_INVALID,
214e1eca 2490 },
5f9099ea
JA		 2491 {
2492 .name = "fdatasync",
e8b0e958 2493 .lname = "Fdatasync",
5f9099ea 2494 .type = FIO_OPT_INT,
a609f12a 2495 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2496 .help = "Issue fdatasync 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,
5f9099ea 2501 },
1ef2b6be
JA		 2502 {
2503 .name = "write_barrier",
e8b0e958 2504 .lname = "Write barrier",
1ef2b6be 2505 .type = FIO_OPT_INT,
a609f12a 2506 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2507 .help = "Make every Nth write a barrier write",
2508 .def = "0",
20eb06bd 2509 .interval = 1,
e8b0e958
JA		 2510 .category = FIO_OPT_C_IO,
2511 .group = FIO_OPT_G_INVALID,
1ef2b6be 2512 },
67bf9823 2513#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2514 {
2515 .name = "sync_file_range",
e8b0e958 2516 .lname = "Sync file range",
44f29692
JA		 2517 .posval = {
2518 { .ival = "wait_before",
2519 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2520 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2521 .orval = 1,
44f29692
JA		 2522 },
2523 { .ival = "write",
2524 .oval = SYNC_FILE_RANGE_WRITE,
2525 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2526 .orval = 1,
44f29692
JA		 2527 },
2528 {
2529 .ival = "wait_after",
2530 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2531 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2532 .orval = 1,
44f29692
JA		 2533 },
2534 },
3843deb3 2535 .type = FIO_OPT_STR_MULTI,
44f29692 2536 .cb = str_sfr_cb,
a609f12a 2537 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2538 .help = "Use sync_file_range()",
e8b0e958
JA		 2539 .category = FIO_OPT_C_FILE,
2540 .group = FIO_OPT_G_INVALID,
44f29692 2541 },
a275c37a 2542#else
54d0a315 2543 {
a275c37a
JA		 2544 .name = "sync_file_range",
2545 .lname = "Sync file range",
2546 .type = FIO_OPT_UNSUPPORTED,
2547 .help = "Your platform does not support sync_file_range",
2548 },
44f29692 2549#endif
214e1eca
JA		 2550 {
2551 .name = "direct",
e8b0e958 2552 .lname = "Direct I/O",
214e1eca 2553 .type = FIO_OPT_BOOL,
a609f12a 2554 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2555 .help = "Use O_DIRECT IO (negates buffered)",
2556 .def = "0",
a01a1bc5 2557 .inverse = "buffered",
e8b0e958 2558 .category = FIO_OPT_C_IO,
3ceb458f 2559 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2560 },
d01612f3
CM		 2561 {
2562 .name = "atomic",
2563 .lname = "Atomic I/O",
2564 .type = FIO_OPT_BOOL,
a609f12a 2565 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2566 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2567 .def = "0",
2568 .category = FIO_OPT_C_IO,
2569 .group = FIO_OPT_G_IO_TYPE,
2570 },
214e1eca
JA		 2571 {
2572 .name = "buffered",
e8b0e958 2573 .lname = "Buffered I/O",
214e1eca 2574 .type = FIO_OPT_BOOL,
a609f12a 2575 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2576 .neg = 1,
2577 .help = "Use buffered IO (negates direct)",
2578 .def = "1",
a01a1bc5 2579 .inverse = "direct",
e8b0e958 2580 .category = FIO_OPT_C_IO,
3ceb458f 2581 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2582 },
2583 {
2584 .name = "overwrite",
e8b0e958 2585 .lname = "Overwrite",
214e1eca 2586 .type = FIO_OPT_BOOL,
a609f12a 2587 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2588 .help = "When writing, set whether to overwrite current data",
2589 .def = "0",
e8b0e958
JA		 2590 .category = FIO_OPT_C_FILE,
2591 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2592 },
2593 {
2594 .name = "loops",
e8b0e958 2595 .lname = "Loops",
214e1eca 2596 .type = FIO_OPT_INT,
a609f12a 2597 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2598 .help = "Number of times to run the job",
2599 .def = "1",
20eb06bd 2600 .interval = 1,
e8b0e958 2601 .category = FIO_OPT_C_GENERAL,
a1f6afec 2602 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2603 },
2604 {
2605 .name = "numjobs",
e8b0e958 2606 .lname = "Number of jobs",
214e1eca 2607 .type = FIO_OPT_INT,
a609f12a 2608 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2609 .help = "Duplicate this job this many times",
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 = "startdelay",
e8b0e958 2617 .lname = "Start delay",
a5737c93 2618 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2619 .off1 = offsetof(struct thread_options, start_delay),
2620 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2621 .help = "Only start job when this period has passed",
2622 .def = "0",
0de5b26f 2623 .is_seconds = 1,
88038bc7 2624 .is_time = 1,
e8b0e958 2625 .category = FIO_OPT_C_GENERAL,
a1f6afec 2626 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2627 },
2628 {
2629 .name = "runtime",
e8b0e958 2630 .lname = "Runtime",
214e1eca
JA		 2631 .alias = "timeout",
2632 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2633 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2634 .help = "Stop workload when this amount of time has passed",
2635 .def = "0",
0de5b26f 2636 .is_seconds = 1,
88038bc7 2637 .is_time = 1,
e8b0e958 2638 .category = FIO_OPT_C_GENERAL,
a1f6afec 2639 .group = FIO_OPT_G_RUNTIME,
214e1eca 2640 },
cf4464ca
JA		 2641 {
2642 .name = "time_based",
e8b0e958 2643 .lname = "Time based",
cf4464ca 2644 .type = FIO_OPT_STR_SET,
a609f12a 2645 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2646 .help = "Keep running until runtime/timeout is met",
e8b0e958 2647 .category = FIO_OPT_C_GENERAL,
a1f6afec 2648 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2649 },
62167762
JC		 2650 {
2651 .name = "verify_only",
2652 .lname = "Verify only",
2653 .type = FIO_OPT_STR_SET,
a609f12a 2654 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2655 .help = "Verifies previously written data is still valid",
2656 .category = FIO_OPT_C_GENERAL,
2657 .group = FIO_OPT_G_RUNTIME,
2658 },
721938ae
JA		 2659 {
2660 .name = "ramp_time",
e8b0e958 2661 .lname = "Ramp time",
721938ae 2662 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2663 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2664 .help = "Ramp up time before measuring performance",
0de5b26f 2665 .is_seconds = 1,
88038bc7 2666 .is_time = 1,
e8b0e958 2667 .category = FIO_OPT_C_GENERAL,
a1f6afec 2668 .group = FIO_OPT_G_RUNTIME,
721938ae 2669 },
c223da83
JA		 2670 {
2671 .name = "clocksource",
e8b0e958 2672 .lname = "Clock source",
c223da83
JA		 2673 .type = FIO_OPT_STR,
2674 .cb = fio_clock_source_cb,
a609f12a 2675 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2676 .help = "What type of timing source to use",
e8b0e958 2677 .category = FIO_OPT_C_GENERAL,
10860056 2678 .group = FIO_OPT_G_CLOCK,
c223da83 2679 .posval = {
67bf9823 2680#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2681 { .ival = "gettimeofday",
2682 .oval = CS_GTOD,
2683 .help = "Use gettimeofday(2) for timing",
2684 },
67bf9823
JA		 2685#endif
2686#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2687 { .ival = "clock_gettime",
2688 .oval = CS_CGETTIME,
2689 .help = "Use clock_gettime(2) for timing",
2690 },
67bf9823 2691#endif
c223da83
JA		 2692#ifdef ARCH_HAVE_CPU_CLOCK
2693 { .ival = "cpu",
2694 .oval = CS_CPUCLOCK,
2695 .help = "Use CPU private clock",
2696 },
2697#endif
2698 },
2699 },
214e1eca
JA		 2700 {
2701 .name = "mem",
d3aad8f2 2702 .alias = "iomem",
e8b0e958 2703 .lname = "I/O Memory",
214e1eca
JA		 2704 .type = FIO_OPT_STR,
2705 .cb = str_mem_cb,
a609f12a 2706 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2707 .help = "Backing type for IO buffers",
2708 .def = "malloc",
e8b0e958
JA		 2709 .category = FIO_OPT_C_IO,
2710 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2711 .posval = {
2712 { .ival = "malloc",
2713 .oval = MEM_MALLOC,
2714 .help = "Use malloc(3) for IO buffers",
2715 },
c8931876 2716#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2717 { .ival = "shm",
2718 .oval = MEM_SHM,
2719 .help = "Use shared memory segments for IO buffers",
2720 },
214e1eca
JA		 2721#ifdef FIO_HAVE_HUGETLB
2722 { .ival = "shmhuge",
2723 .oval = MEM_SHMHUGE,
2724 .help = "Like shm, but use huge pages",
2725 },
c8931876 2726#endif
b370e46a 2727#endif
37c8cdfe
JA		 2728 { .ival = "mmap",
2729 .oval = MEM_MMAP,
2730 .help = "Use mmap(2) (file or anon) for IO buffers",
2731 },
217b0f1d
LG		 2732 { .ival = "mmapshared",
2733 .oval = MEM_MMAPSHARED,
2734 .help = "Like mmap, but use the shared flag",
2735 },
214e1eca
JA		 2736#ifdef FIO_HAVE_HUGETLB
2737 { .ival = "mmaphuge",
2738 .oval = MEM_MMAPHUGE,
2739 .help = "Like mmap, but use huge pages",
2740 },
03553853
YR		 2741#endif
2742#ifdef CONFIG_CUDA
2743 { .ival = "cudamalloc",
2744 .oval = MEM_CUDA_MALLOC,
2745 .help = "Allocate GPU device memory for GPUDirect RDMA",
2746 },
214e1eca
JA		 2747#endif
2748 },
2749 },
d529ee19
JA		 2750 {
2751 .name = "iomem_align",
2752 .alias = "mem_align",
e8b0e958 2753 .lname = "I/O memory alignment",
d529ee19 2754 .type = FIO_OPT_INT,
a609f12a 2755 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2756 .minval = 0,
2757 .help = "IO memory buffer offset alignment",
2758 .def = "0",
2759 .parent = "iomem",
d71c154c 2760 .hide = 1,
e8b0e958
JA		 2761 .category = FIO_OPT_C_IO,
2762 .group = FIO_OPT_G_INVALID,
d529ee19 2763 },
214e1eca
JA		 2764 {
2765 .name = "verify",
e8b0e958 2766 .lname = "Verify",
214e1eca 2767 .type = FIO_OPT_STR,
a609f12a 2768 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2769 .help = "Verify data written",
2770 .def = "0",
e8b0e958 2771 .category = FIO_OPT_C_IO,
3ceb458f 2772 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2773 .posval = {
2774 { .ival = "0",
2775 .oval = VERIFY_NONE,
2776 .help = "Don't do IO verification",
2777 },
fcca4b58
JA		 2778 { .ival = "md5",
2779 .oval = VERIFY_MD5,
2780 .help = "Use md5 checksums for verification",
2781 },
d77a7af3
JA		 2782 { .ival = "crc64",
2783 .oval = VERIFY_CRC64,
2784 .help = "Use crc64 checksums for verification",
2785 },
214e1eca
JA		 2786 { .ival = "crc32",
2787 .oval = VERIFY_CRC32,
2788 .help = "Use crc32 checksums for verification",
2789 },
af497e6a 2790 { .ival = "crc32c-intel",
e3aaafc4
JA		 2791 .oval = VERIFY_CRC32C,
2792 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2793 },
bac39e0e
JA		 2794 { .ival = "crc32c",
2795 .oval = VERIFY_CRC32C,
e3aaafc4 2796 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2797 },
969f7ed3
JA		 2798 { .ival = "crc16",
2799 .oval = VERIFY_CRC16,
2800 .help = "Use crc16 checksums for verification",
2801 },
1e154bdb
JA		 2802 { .ival = "crc7",
2803 .oval = VERIFY_CRC7,
2804 .help = "Use crc7 checksums for verification",
2805 },
7c353ceb
JA		 2806 { .ival = "sha1",
2807 .oval = VERIFY_SHA1,
2808 .help = "Use sha1 checksums for verification",
2809 },
cd14cc10
JA		 2810 { .ival = "sha256",
2811 .oval = VERIFY_SHA256,
2812 .help = "Use sha256 checksums for verification",
2813 },
2814 { .ival = "sha512",
2815 .oval = VERIFY_SHA512,
2816 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2817 },
2818 { .ival = "sha3-224",
2819 .oval = VERIFY_SHA3_224,
2820 .help = "Use sha3-224 checksums for verification",
2821 },
2822 { .ival = "sha3-256",
2823 .oval = VERIFY_SHA3_256,
2824 .help = "Use sha3-256 checksums for verification",
2825 },
2826 { .ival = "sha3-384",
2827 .oval = VERIFY_SHA3_384,
2828 .help = "Use sha3-384 checksums for verification",
2829 },
2830 { .ival = "sha3-512",
2831 .oval = VERIFY_SHA3_512,
2832 .help = "Use sha3-512 checksums for verification",
cd14cc10 2833 },
844ea602
JA		 2834 { .ival = "xxhash",
2835 .oval = VERIFY_XXHASH,
2836 .help = "Use xxhash checksums for verification",
2837 },
b638d82f
RP		 2838 /* Meta information was included into verify_header,
2839 * 'meta' verification is implied by default. */
7437ee87 2840 { .ival = "meta",
b638d82f
RP		 2841 .oval = VERIFY_HDR_ONLY,
2842 .help = "Use io information for verification. "
2843 "Now is implied by default, thus option is obsolete, "
2844 "don't use it",
7437ee87 2845 },
59245381
JA		 2846 { .ival = "pattern",
2847 .oval = VERIFY_PATTERN_NO_HDR,
2848 .help = "Verify strict pattern",
2849 },
36690c9b
JA		 2850 {
2851 .ival = "null",
2852 .oval = VERIFY_NULL,
2853 .help = "Pretend to verify",
2854 },
214e1eca
JA		 2855 },
2856 },
005c565a
JA		 2857 {
2858 .name = "do_verify",
e8b0e958 2859 .lname = "Perform verify step",
68e1f29a 2860 .type = FIO_OPT_BOOL,
a609f12a 2861 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2862 .help = "Run verification stage after write",
2863 .def = "1",
2864 .parent = "verify",
d71c154c 2865 .hide = 1,
e8b0e958
JA		 2866 .category = FIO_OPT_C_IO,
2867 .group = FIO_OPT_G_VERIFY,
005c565a 2868 },
160b966d
JA		 2869 {
2870 .name = "verifysort",
e8b0e958 2871 .lname = "Verify sort",
f31feaa2 2872 .type = FIO_OPT_SOFT_DEPRECATED,
e8b0e958
JA		 2873 .category = FIO_OPT_C_IO,
2874 .group = FIO_OPT_G_VERIFY,
160b966d 2875 },
1ae83d45
JA		 2876 {
2877 .name = "verifysort_nr",
cce2fdfe 2878 .lname = "Verify Sort Nr",
f31feaa2 2879 .type = FIO_OPT_SOFT_DEPRECATED,
836fcc0f
JA		 2880 .category = FIO_OPT_C_IO,
2881 .group = FIO_OPT_G_VERIFY,
1ae83d45 2882 },
3f9f4e26 2883 {
a59e170d 2884 .name = "verify_interval",
e8b0e958 2885 .lname = "Verify interval",
e01b22b8 2886 .type = FIO_OPT_INT,
a609f12a 2887 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2888 .minval = 2 * sizeof(struct verify_header),
a59e170d 2889 .help = "Store verify buffer header every N bytes",
afdf9352 2890 .parent = "verify",
d71c154c 2891 .hide = 1,
20eb06bd 2892 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2893 .category = FIO_OPT_C_IO,
2894 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2895 },
546a9142 2896 {
a59e170d 2897 .name = "verify_offset",
e8b0e958 2898 .lname = "Verify offset",
e01b22b8 2899 .type = FIO_OPT_INT,
a59e170d 2900 .help = "Offset verify header location by N bytes",
a609f12a 2901 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2902 .minval = sizeof(struct verify_header),
afdf9352 2903 .parent = "verify",
d71c154c 2904 .hide = 1,
e8b0e958
JA		 2905 .category = FIO_OPT_C_IO,
2906 .group = FIO_OPT_G_VERIFY,
546a9142 2907 },
e28218f3
SL		 2908 {
2909 .name = "verify_pattern",
e8b0e958 2910 .lname = "Verify pattern",
0e92f873 2911 .type = FIO_OPT_STR,
e28218f3 2912 .cb = str_verify_pattern_cb,
a609f12a 2913 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2914 .help = "Fill pattern for IO buffers",
2915 .parent = "verify",
d71c154c 2916 .hide = 1,
e8b0e958
JA		 2917 .category = FIO_OPT_C_IO,
2918 .group = FIO_OPT_G_VERIFY,
e28218f3 2919 },
a12a3b4d
JA		 2920 {
2921 .name = "verify_fatal",
e8b0e958 2922 .lname = "Verify fatal",
68e1f29a 2923 .type = FIO_OPT_BOOL,
a609f12a 2924 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2925 .def = "0",
2926 .help = "Exit on a single verify failure, don't continue",
2927 .parent = "verify",
d71c154c 2928 .hide = 1,
e8b0e958
JA		 2929 .category = FIO_OPT_C_IO,
2930 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2931 },
b463e936
JA		 2932 {
2933 .name = "verify_dump",
e8b0e958 2934 .lname = "Verify dump",
b463e936 2935 .type = FIO_OPT_BOOL,
a609f12a 2936 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2937 .def = "0",
b463e936
JA		 2938 .help = "Dump contents of good and bad blocks on failure",
2939 .parent = "verify",
d71c154c 2940 .hide = 1,
e8b0e958
JA		 2941 .category = FIO_OPT_C_IO,
2942 .group = FIO_OPT_G_VERIFY,
b463e936 2943 },
e8462bd8
JA		 2944 {
2945 .name = "verify_async",
e8b0e958 2946 .lname = "Verify asynchronously",
e8462bd8 2947 .type = FIO_OPT_INT,
a609f12a 2948 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2949 .def = "0",
2950 .help = "Number of async verifier threads to use",
2951 .parent = "verify",
d71c154c 2952 .hide = 1,
e8b0e958
JA		 2953 .category = FIO_OPT_C_IO,
2954 .group = FIO_OPT_G_VERIFY,
e8462bd8 2955 },
9e144189
JA		 2956 {
2957 .name = "verify_backlog",
e8b0e958 2958 .lname = "Verify backlog",
9e144189 2959 .type = FIO_OPT_STR_VAL,
a609f12a 2960 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2961 .help = "Verify after this number of blocks are written",
2962 .parent = "verify",
d71c154c 2963 .hide = 1,
e8b0e958
JA		 2964 .category = FIO_OPT_C_IO,
2965 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2966 },
2967 {
2968 .name = "verify_backlog_batch",
e8b0e958 2969 .lname = "Verify backlog batch",
9e144189 2970 .type = FIO_OPT_INT,
a609f12a 2971 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2972 .help = "Verify this number of IO blocks",
0d29de83 2973 .parent = "verify",
d71c154c 2974 .hide = 1,
e8b0e958
JA		 2975 .category = FIO_OPT_C_IO,
2976 .group = FIO_OPT_G_VERIFY,
9e144189 2977 },
e8462bd8
JA		 2978#ifdef FIO_HAVE_CPU_AFFINITY
2979 {
2980 .name = "verify_async_cpus",
e8b0e958 2981 .lname = "Async verify CPUs",
e8462bd8
JA		 2982 .type = FIO_OPT_STR,
2983 .cb = str_verify_cpus_allowed_cb,
a609f12a 2984 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2985 .help = "Set CPUs allowed for async verify threads",
2986 .parent = "verify_async",
d71c154c 2987 .hide = 1,
e8b0e958
JA		 2988 .category = FIO_OPT_C_IO,
2989 .group = FIO_OPT_G_VERIFY,
e8462bd8 2990 },
a275c37a
JA		 2991#else
2992 {
2993 .name = "verify_async_cpus",
2994 .lname = "Async verify CPUs",
2995 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2996 .help = "Your platform does not support CPU affinities",
a275c37a 2997 },
0d29de83 2998#endif
51aa2da8
JA		 2999 {
3000 .name = "experimental_verify",
cce2fdfe 3001 .lname = "Experimental Verify",
a609f12a 3002 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 3003 .type = FIO_OPT_BOOL,
b31eaac9 3004 .help = "Enable experimental verification",
ca09be4b
JA		 3005 .parent = "verify",
3006 .category = FIO_OPT_C_IO,
3007 .group = FIO_OPT_G_VERIFY,
3008 },
3009 {
3010 .name = "verify_state_load",
3011 .lname = "Load verify state",
a609f12a 3012 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 3013 .type = FIO_OPT_BOOL,
3014 .help = "Load verify termination state",
3015 .parent = "verify",
3016 .category = FIO_OPT_C_IO,
3017 .group = FIO_OPT_G_VERIFY,
3018 },
3019 {
3020 .name = "verify_state_save",
3021 .lname = "Save verify state",
a609f12a 3022 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 3023 .type = FIO_OPT_BOOL,
3024 .def = "1",
3025 .help = "Save verify state on termination",
3026 .parent = "verify",
836fcc0f
JA		 3027 .category = FIO_OPT_C_IO,
3028 .group = FIO_OPT_G_VERIFY,
51aa2da8 3029 },
0d29de83
JA		 3030#ifdef FIO_HAVE_TRIM
3031 {
3032 .name = "trim_percentage",
e8b0e958 3033 .lname = "Trim percentage",
0d29de83 3034 .type = FIO_OPT_INT,
a609f12a 3035 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 3036 .minval = 0,
0d29de83 3037 .maxval = 100,
169c098d 3038 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 3039 .parent = "verify",
3040 .def = "0",
20eb06bd 3041 .interval = 1,
d71c154c 3042 .hide = 1,
e8b0e958
JA		 3043 .category = FIO_OPT_C_IO,
3044 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3045 },
3046 {
3047 .name = "trim_verify_zero",
e8b0e958 3048 .lname = "Verify trim zero",
20eb06bd 3049 .type = FIO_OPT_BOOL,
169c098d 3050 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3051 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3052 .parent = "trim_percentage",
d71c154c 3053 .hide = 1,
0d29de83 3054 .def = "1",
e8b0e958
JA		 3055 .category = FIO_OPT_C_IO,
3056 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3057 },
3058 {
3059 .name = "trim_backlog",
e8b0e958 3060 .lname = "Trim backlog",
0d29de83 3061 .type = FIO_OPT_STR_VAL,
a609f12a 3062 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 3063 .help = "Trim after this number of blocks are written",
3064 .parent = "trim_percentage",
d71c154c 3065 .hide = 1,
20eb06bd 3066 .interval = 1,
e8b0e958
JA		 3067 .category = FIO_OPT_C_IO,
3068 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3069 },
3070 {
3071 .name = "trim_backlog_batch",
e8b0e958 3072 .lname = "Trim backlog batch",
0d29de83 3073 .type = FIO_OPT_INT,
a609f12a 3074 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 3075 .help = "Trim this number of IO blocks",
3076 .parent = "trim_percentage",
d71c154c 3077 .hide = 1,
20eb06bd 3078 .interval = 1,
e8b0e958
JA		 3079 .category = FIO_OPT_C_IO,
3080 .group = FIO_OPT_G_TRIM,
0d29de83 3081 },
a275c37a
JA		 3082#else
3083 {
3084 .name = "trim_percentage",
3085 .lname = "Trim percentage",
3086 .type = FIO_OPT_UNSUPPORTED,
3087 .help = "Fio does not support TRIM on your platform",
3088 },
3089 {
3090 .name = "trim_verify_zero",
3091 .lname = "Verify trim zero",
3092 .type = FIO_OPT_UNSUPPORTED,
3093 .help = "Fio does not support TRIM on your platform",
3094 },
3095 {
3096 .name = "trim_backlog",
3097 .lname = "Trim backlog",
3098 .type = FIO_OPT_UNSUPPORTED,
3099 .help = "Fio does not support TRIM on your platform",
3100 },
3101 {
3102 .name = "trim_backlog_batch",
3103 .lname = "Trim backlog batch",
3104 .type = FIO_OPT_UNSUPPORTED,
3105 .help = "Fio does not support TRIM on your platform",
3106 },
e8462bd8 3107#endif
214e1eca
JA		 3108 {
3109 .name = "write_iolog",
e8b0e958 3110 .lname = "Write I/O log",
214e1eca 3111 .type = FIO_OPT_STR_STORE,
a609f12a 3112 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3113 .help = "Store IO pattern to file",
e8b0e958
JA		 3114 .category = FIO_OPT_C_IO,
3115 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3116 },
3117 {
3118 .name = "read_iolog",
e8b0e958 3119 .lname = "Read I/O log",
214e1eca 3120 .type = FIO_OPT_STR_STORE,
a609f12a 3121 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3122 .help = "Playback IO pattern from file",
e8b0e958
JA		 3123 .category = FIO_OPT_C_IO,
3124 .group = FIO_OPT_G_IOLOG,
214e1eca 3125 },
98e7161c
AK		 3126 {
3127 .name = "read_iolog_chunked",
3128 .lname = "Read I/O log in parts",
3129 .type = FIO_OPT_BOOL,
3130 .off1 = offsetof(struct thread_options, read_iolog_chunked),
3131 .def = "0",
3132 .parent = "read_iolog",
3133 .help = "Parse IO pattern in chunks",
3134 .category = FIO_OPT_C_IO,
3135 .group = FIO_OPT_G_IOLOG,
3136 },
64bbb865
DN		 3137 {
3138 .name = "replay_no_stall",
e8b0e958 3139 .lname = "Don't stall on replay",
20eb06bd 3140 .type = FIO_OPT_BOOL,
a609f12a 3141 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3142 .def = "0",
87e7a972 3143 .parent = "read_iolog",
d71c154c 3144 .hide = 1,
64bbb865 3145 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3146 .category = FIO_OPT_C_IO,
3147 .group = FIO_OPT_G_IOLOG,
64bbb865 3148 },
d1c46c04
DN		 3149 {
3150 .name = "replay_redirect",
e8b0e958 3151 .lname = "Redirect device for replay",
d1c46c04 3152 .type = FIO_OPT_STR_STORE,
a609f12a 3153 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3154 .parent = "read_iolog",
d71c154c 3155 .hide = 1,
d1c46c04 3156 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3157 .category = FIO_OPT_C_IO,
3158 .group = FIO_OPT_G_IOLOG,
d1c46c04 3159 },
0c63576e
JA		 3160 {
3161 .name = "replay_scale",
3162 .lname = "Replace offset scale factor",
3163 .type = FIO_OPT_INT,
a609f12a 3164 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3165 .parent = "read_iolog",
3166 .def = "1",
3167 .help = "Align offsets to this blocksize",
3168 .category = FIO_OPT_C_IO,
3169 .group = FIO_OPT_G_IOLOG,
3170 },
3171 {
3172 .name = "replay_align",
3173 .lname = "Replace alignment",
3174 .type = FIO_OPT_INT,
a609f12a 3175 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3176 .parent = "read_iolog",
3177 .help = "Scale offset down by this factor",
3178 .category = FIO_OPT_C_IO,
3179 .group = FIO_OPT_G_IOLOG,
3180 .pow2 = 1,
3181 },
6dd7fa77
JA		 3182 {
3183 .name = "replay_time_scale",
3184 .lname = "Replay Time Scale",
3185 .type = FIO_OPT_INT,
3186 .off1 = offsetof(struct thread_options, replay_time_scale),
3187 .def = "100",
3188 .minval = 1,
3189 .parent = "read_iolog",
3190 .hide = 1,
3191 .help = "Scale time for replay events",
3192 .category = FIO_OPT_C_IO,
3193 .group = FIO_OPT_G_IOLOG,
3194 },
d7235efb
JA		 3195 {
3196 .name = "replay_skip",
3197 .lname = "Replay Skip",
3198 .type = FIO_OPT_STR,
3199 .cb = str_replay_skip_cb,
3200 .off1 = offsetof(struct thread_options, replay_skip),
3201 .parent = "read_iolog",
3202 .help = "Skip certain IO types (read,write,trim,flush)",
3203 .category = FIO_OPT_C_IO,
3204 .group = FIO_OPT_G_IOLOG,
3205 },
214e1eca
JA		 3206 {
3207 .name = "exec_prerun",
e8b0e958 3208 .lname = "Pre-execute runnable",
214e1eca 3209 .type = FIO_OPT_STR_STORE,
a609f12a 3210 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3211 .help = "Execute this file prior to running job",
e8b0e958
JA		 3212 .category = FIO_OPT_C_GENERAL,
3213 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3214 },
3215 {
3216 .name = "exec_postrun",
e8b0e958 3217 .lname = "Post-execute runnable",
214e1eca 3218 .type = FIO_OPT_STR_STORE,
a609f12a 3219 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3220 .help = "Execute this file after running job",
e8b0e958
JA		 3221 .category = FIO_OPT_C_GENERAL,
3222 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3223 },
3224#ifdef FIO_HAVE_IOSCHED_SWITCH
3225 {
3226 .name = "ioscheduler",
e8b0e958 3227 .lname = "I/O scheduler",
214e1eca 3228 .type = FIO_OPT_STR_STORE,
a609f12a 3229 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3230 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3231 .category = FIO_OPT_C_FILE,
3232 .group = FIO_OPT_G_INVALID,
214e1eca 3233 },
a275c37a
JA		 3234#else
3235 {
3236 .name = "ioscheduler",
3237 .lname = "I/O scheduler",
3238 .type = FIO_OPT_UNSUPPORTED,
3239 .help = "Your platform does not support IO scheduler switching",
3240 },
214e1eca
JA		 3241#endif
3242 {
3243 .name = "zonesize",
e8b0e958 3244 .lname = "Zone size",
214e1eca 3245 .type = FIO_OPT_STR_VAL,
a609f12a 3246 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3247 .help = "Amount of data to read per zone",
3248 .def = "0",
20eb06bd 3249 .interval = 1024 * 1024,
e8b0e958
JA		 3250 .category = FIO_OPT_C_IO,
3251 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3252 },
3253 {
3254 .name = "zonerange",
e8b0e958 3255 .lname = "Zone range",
ed335855 3256 .type = FIO_OPT_STR_VAL,
a609f12a 3257 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3258 .help = "Give size of an IO zone",
3259 .def = "0",
20eb06bd 3260 .interval = 1024 * 1024,
e8b0e958
JA		 3261 .category = FIO_OPT_C_IO,
3262 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3263 },
3264 {
3265 .name = "zoneskip",
e8b0e958 3266 .lname = "Zone skip",
214e1eca 3267 .type = FIO_OPT_STR_VAL,
a609f12a 3268 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3269 .help = "Space between IO zones",
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 = "lockmem",
e8b0e958 3277 .lname = "Lock memory",
214e1eca 3278 .type = FIO_OPT_STR_VAL,
a609f12a 3279 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3280 .help = "Lock down this amount of memory (per worker)",
214e1eca 3281 .def = "0",
20eb06bd 3282 .interval = 1024 * 1024,
e8b0e958
JA		 3283 .category = FIO_OPT_C_GENERAL,
3284 .group = FIO_OPT_G_INVALID,
214e1eca 3285 },
214e1eca
JA		 3286 {
3287 .name = "rwmixread",
e8b0e958 3288 .lname = "Read/write mix read",
214e1eca 3289 .type = FIO_OPT_INT,
cb499fc4 3290 .cb = str_rwmix_read_cb,
a609f12a 3291 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3292 .maxval = 100,
3293 .help = "Percentage of mixed workload that is reads",
3294 .def = "50",
20eb06bd 3295 .interval = 5,
90265353 3296 .inverse = "rwmixwrite",
e8b0e958
JA		 3297 .category = FIO_OPT_C_IO,
3298 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3299 },
3300 {
3301 .name = "rwmixwrite",
e8b0e958 3302 .lname = "Read/write mix write",
214e1eca 3303 .type = FIO_OPT_INT,
cb499fc4 3304 .cb = str_rwmix_write_cb,
a609f12a 3305 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3306 .maxval = 100,
3307 .help = "Percentage of mixed workload that is writes",
3308 .def = "50",
20eb06bd 3309 .interval = 5,
90265353 3310 .inverse = "rwmixread",
e8b0e958
JA		 3311 .category = FIO_OPT_C_IO,
3312 .group = FIO_OPT_G_RWMIX,
214e1eca 3313 },
afdf9352
JA		 3314 {
3315 .name = "rwmixcycle",
e8b0e958 3316 .lname = "Read/write mix cycle",
15ca150e 3317 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3318 .category = FIO_OPT_C_IO,
3319 .group = FIO_OPT_G_RWMIX,
afdf9352 3320 },
214e1eca
JA		 3321 {
3322 .name = "nice",
e8b0e958 3323 .lname = "Nice",
214e1eca 3324 .type = FIO_OPT_INT,
a609f12a 3325 .off1 = offsetof(struct thread_options, nice),
214e1eca 3326 .help = "Set job CPU nice value",
11fd6aa8
RC		 3327 .minval = -20,
3328 .maxval = 19,
214e1eca 3329 .def = "0",
20eb06bd 3330 .interval = 1,
e8b0e958 3331 .category = FIO_OPT_C_GENERAL,
10860056 3332 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3333 },
3334#ifdef FIO_HAVE_IOPRIO
3335 {
3336 .name = "prio",
e8b0e958 3337 .lname = "I/O nice priority",
214e1eca 3338 .type = FIO_OPT_INT,
a609f12a 3339 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3340 .help = "Set job IO priority value",
1767bd34
TK		 3341 .minval = IOPRIO_MIN_PRIO,
3342 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3343 .interval = 1,
e8b0e958 3344 .category = FIO_OPT_C_GENERAL,
10860056 3345 .group = FIO_OPT_G_CRED,
214e1eca 3346 },
32ef447a
TK		 3347#else
3348 {
3349 .name = "prio",
3350 .lname = "I/O nice priority",
3351 .type = FIO_OPT_UNSUPPORTED,
3352 .help = "Your platform does not support IO priorities",
3353 },
3354#endif
3355#ifdef FIO_HAVE_IOPRIO_CLASS
3356#ifndef FIO_HAVE_IOPRIO
3357#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3358#endif
214e1eca
JA		 3359 {
3360 .name = "prioclass",
e8b0e958 3361 .lname = "I/O nice priority class",
214e1eca 3362 .type = FIO_OPT_INT,
a609f12a 3363 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3364 .help = "Set job IO priority class",
1767bd34
TK		 3365 .minval = IOPRIO_MIN_PRIO_CLASS,
3366 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3367 .interval = 1,
e8b0e958 3368 .category = FIO_OPT_C_GENERAL,
10860056 3369 .group = FIO_OPT_G_CRED,
214e1eca 3370 },
a275c37a 3371#else
a275c37a
JA		 3372 {
3373 .name = "prioclass",
3374 .lname = "I/O nice priority class",
3375 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3376 .help = "Your platform does not support IO priority classes",
a275c37a 3377 },
214e1eca
JA		 3378#endif
3379 {
3380 .name = "thinktime",
e8b0e958 3381 .lname = "Thinktime",
214e1eca 3382 .type = FIO_OPT_INT,
a609f12a 3383 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3384 .help = "Idle time between IO buffers (usec)",
3385 .def = "0",
88038bc7 3386 .is_time = 1,
e8b0e958 3387 .category = FIO_OPT_C_IO,
3ceb458f 3388 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3389 },
3390 {
3391 .name = "thinktime_spin",
e8b0e958 3392 .lname = "Thinktime spin",
214e1eca 3393 .type = FIO_OPT_INT,
a609f12a 3394 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3395 .help = "Start think time by spinning this amount (usec)",
3396 .def = "0",
88038bc7 3397 .is_time = 1,
afdf9352 3398 .parent = "thinktime",
d71c154c 3399 .hide = 1,
e8b0e958 3400 .category = FIO_OPT_C_IO,
3ceb458f 3401 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3402 },
3403 {
3404 .name = "thinktime_blocks",
e8b0e958 3405 .lname = "Thinktime blocks",
214e1eca 3406 .type = FIO_OPT_INT,
a609f12a 3407 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3408 .help = "IO buffer period between 'thinktime'",
3409 .def = "1",
afdf9352 3410 .parent = "thinktime",
d71c154c 3411 .hide = 1,
e8b0e958 3412 .category = FIO_OPT_C_IO,
3ceb458f 3413 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3414 },
3415 {
3416 .name = "rate",
e8b0e958 3417 .lname = "I/O rate",
e01b22b8 3418 .type = FIO_OPT_INT,
a609f12a
JA		 3419 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3420 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3421 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3422 .help = "Set bandwidth rate",
e8b0e958
JA		 3423 .category = FIO_OPT_C_IO,
3424 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3425 },
3426 {
6d428bcd
JA		 3427 .name = "rate_min",
3428 .alias = "ratemin",
e8b0e958 3429 .lname = "I/O min rate",
e01b22b8 3430 .type = FIO_OPT_INT,
a609f12a
JA		 3431 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3432 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3433 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3434 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3435 .parent = "rate",
d71c154c 3436 .hide = 1,
e8b0e958
JA		 3437 .category = FIO_OPT_C_IO,
3438 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3439 },
3440 {
3441 .name = "rate_iops",
e8b0e958 3442 .lname = "I/O rate IOPS",
e01b22b8 3443 .type = FIO_OPT_INT,
a609f12a
JA		 3444 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3445 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3446 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3447 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3448 .hide = 1,
e8b0e958
JA		 3449 .category = FIO_OPT_C_IO,
3450 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3451 },
3452 {
3453 .name = "rate_iops_min",
e8b0e958 3454 .lname = "I/O min rate IOPS",
e01b22b8 3455 .type = FIO_OPT_INT,
a609f12a
JA		 3456 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3457 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3458 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3459 .help = "Job must meet this rate or it will be shut down",
afdf9352 3460 .parent = "rate_iops",
d71c154c 3461 .hide = 1,
e8b0e958
JA		 3462 .category = FIO_OPT_C_IO,
3463 .group = FIO_OPT_G_RATE,
214e1eca 3464 },
ff6bb260 3465 {
6de65959
JA		 3466 .name = "rate_process",
3467 .lname = "Rate Process",
3468 .type = FIO_OPT_STR,
a609f12a 3469 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3470 .help = "What process controls how rated IO is managed",
3471 .def = "linear",
ff6bb260
SL		 3472 .category = FIO_OPT_C_IO,
3473 .group = FIO_OPT_G_RATE,
6de65959
JA		 3474 .posval = {
3475 { .ival = "linear",
3476 .oval = RATE_PROCESS_LINEAR,
3477 .help = "Linear rate of IO",
3478 },
3479 {
3480 .ival = "poisson",
3481 .oval = RATE_PROCESS_POISSON,
3482 .help = "Rate follows Poisson process",
3483 },
3484 },
3485 .parent = "rate",
ff6bb260 3486 },
214e1eca 3487 {
6d428bcd
JA		 3488 .name = "rate_cycle",
3489 .alias = "ratecycle",
e8b0e958 3490 .lname = "I/O rate cycle",
214e1eca 3491 .type = FIO_OPT_INT,
a609f12a 3492 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3493 .help = "Window average for rate limits (msec)",
3494 .def = "1000",
afdf9352 3495 .parent = "rate",
d71c154c 3496 .hide = 1,
e8b0e958
JA		 3497 .category = FIO_OPT_C_IO,
3498 .group = FIO_OPT_G_RATE,
214e1eca 3499 },
1a9bf814
JA		 3500 {
3501 .name = "rate_ignore_thinktime",
3502 .lname = "Rate ignore thinktime",
3503 .type = FIO_OPT_BOOL,
3504 .off1 = offsetof(struct thread_options, rate_ign_think),
3505 .help = "Rated IO ignores thinktime settings",
3506 .parent = "rate",
3507 .category = FIO_OPT_C_IO,
3508 .group = FIO_OPT_G_RATE,
3509 },
15501535
JA		 3510 {
3511 .name = "max_latency",
dd97d866 3512 .lname = "Max Latency (usec)",
6c3fb04c 3513 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3514 .off1 = offsetof(struct thread_options, max_latency),
15501535 3515 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3516 .is_time = 1,
1e5324e7 3517 .category = FIO_OPT_C_IO,
3e260a46
JA		 3518 .group = FIO_OPT_G_LATPROF,
3519 },
3520 {
3521 .name = "latency_target",
3522 .lname = "Latency Target (usec)",
3523 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3524 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3525 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3526 .is_time = 1,
3e260a46
JA		 3527 .category = FIO_OPT_C_IO,
3528 .group = FIO_OPT_G_LATPROF,
3529 },
3530 {
3531 .name = "latency_window",
3532 .lname = "Latency Window (usec)",
3533 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3534 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3535 .help = "Time to sustain latency_target",
88038bc7 3536 .is_time = 1,
3e260a46
JA		 3537 .category = FIO_OPT_C_IO,
3538 .group = FIO_OPT_G_LATPROF,
3539 },
3540 {
3541 .name = "latency_percentile",
3542 .lname = "Latency Percentile",
3543 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3544 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3545 .help = "Percentile of IOs must be below latency_target",
3546 .def = "100",
3547 .maxlen = 1,
3548 .minfp = 0.0,
3549 .maxfp = 100.0,
3550 .category = FIO_OPT_C_IO,
3551 .group = FIO_OPT_G_LATPROF,
15501535 3552 },
214e1eca
JA		 3553 {
3554 .name = "invalidate",
e8b0e958 3555 .lname = "Cache invalidate",
214e1eca 3556 .type = FIO_OPT_BOOL,
a609f12a 3557 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3558 .help = "Invalidate buffer/page cache prior to running job",
3559 .def = "1",
e8b0e958 3560 .category = FIO_OPT_C_IO,
3ceb458f 3561 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3562 },
3563 {
3564 .name = "sync",
e8b0e958 3565 .lname = "Synchronous I/O",
214e1eca 3566 .type = FIO_OPT_BOOL,
a609f12a 3567 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3568 .help = "Use O_SYNC for buffered writes",
3569 .def = "0",
67a1000f 3570 .parent = "buffered",
d71c154c 3571 .hide = 1,
e8b0e958 3572 .category = FIO_OPT_C_IO,
3ceb458f 3573 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3574 },
ae8e559e
JA		 3575#ifdef FIO_HAVE_WRITE_HINT
3576 {
3577 .name = "write_hint",
3578 .lname = "Write hint",
3579 .type = FIO_OPT_STR,
3580 .off1 = offsetof(struct thread_options, write_hint),
3581 .help = "Set expected write life time",
3582 .category = FIO_OPT_C_ENGINE,
3583 .group = FIO_OPT_G_INVALID,
3584 .posval = {
3585 { .ival = "none",
3586 .oval = RWH_WRITE_LIFE_NONE,
3587 },
3588 { .ival = "short",
3589 .oval = RWH_WRITE_LIFE_SHORT,
3590 },
3591 { .ival = "medium",
3592 .oval = RWH_WRITE_LIFE_MEDIUM,
3593 },
3594 { .ival = "long",
3595 .oval = RWH_WRITE_LIFE_LONG,
3596 },
3597 { .ival = "extreme",
3598 .oval = RWH_WRITE_LIFE_EXTREME,
3599 },
3600 },
3601 },
3602#endif
214e1eca
JA		 3603 {
3604 .name = "create_serialize",
e8b0e958 3605 .lname = "Create serialize",
214e1eca 3606 .type = FIO_OPT_BOOL,
a609f12a 3607 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3608 .help = "Serialize creation of job files",
214e1eca 3609 .def = "1",
e8b0e958
JA		 3610 .category = FIO_OPT_C_FILE,
3611 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3612 },
3613 {
3614 .name = "create_fsync",
e8b0e958 3615 .lname = "Create fsync",
214e1eca 3616 .type = FIO_OPT_BOOL,
a609f12a 3617 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3618 .help = "fsync file after creation",
214e1eca 3619 .def = "1",
e8b0e958
JA		 3620 .category = FIO_OPT_C_FILE,
3621 .group = FIO_OPT_G_INVALID,
214e1eca 3622 },
814452bd
JA		 3623 {
3624 .name = "create_on_open",
e8b0e958 3625 .lname = "Create on open",
814452bd 3626 .type = FIO_OPT_BOOL,
a609f12a 3627 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3628 .help = "Create files when they are opened for IO",
3629 .def = "0",
e8b0e958
JA		 3630 .category = FIO_OPT_C_FILE,
3631 .group = FIO_OPT_G_INVALID,
814452bd 3632 },
25460cf6
JA		 3633 {
3634 .name = "create_only",
cce2fdfe 3635 .lname = "Create Only",
25460cf6 3636 .type = FIO_OPT_BOOL,
a609f12a 3637 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3638 .help = "Only perform file creation phase",
d17fda71 3639 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3640 .def = "0",
3641 },
2378826d
JA		 3642 {
3643 .name = "allow_file_create",
e81ecca3 3644 .lname = "Allow file create",
2378826d 3645 .type = FIO_OPT_BOOL,
a609f12a 3646 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3647 .help = "Permit fio to create files, if they don't exist",
3648 .def = "1",
3649 .category = FIO_OPT_C_FILE,
3650 .group = FIO_OPT_G_FILENAME,
3651 },
e81ecca3
JA		 3652 {
3653 .name = "allow_mounted_write",
3654 .lname = "Allow mounted write",
3655 .type = FIO_OPT_BOOL,
a609f12a 3656 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3657 .help = "Allow writes to a mounted partition",
3658 .def = "0",
3659 .category = FIO_OPT_C_FILE,
3660 .group = FIO_OPT_G_FILENAME,
3661 },
0b9d69ec 3662 {
afad68f7 3663 .name = "pre_read",
e8b0e958 3664 .lname = "Pre-read files",
afad68f7 3665 .type = FIO_OPT_BOOL,
a609f12a 3666 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3667 .help = "Pre-read files before starting official testing",
afad68f7 3668 .def = "0",
e8b0e958
JA		 3669 .category = FIO_OPT_C_FILE,
3670 .group = FIO_OPT_G_INVALID,
afad68f7 3671 },
214e1eca
JA		 3672#ifdef FIO_HAVE_CPU_AFFINITY
3673 {
3674 .name = "cpumask",
e8b0e958 3675 .lname = "CPU mask",
214e1eca
JA		 3676 .type = FIO_OPT_INT,
3677 .cb = str_cpumask_cb,
a609f12a 3678 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3679 .help = "CPU affinity mask",
e8b0e958 3680 .category = FIO_OPT_C_GENERAL,
10860056 3681 .group = FIO_OPT_G_CRED,
214e1eca 3682 },
d2e268b0
JA		 3683 {
3684 .name = "cpus_allowed",
e8b0e958 3685 .lname = "CPUs allowed",
d2e268b0
JA		 3686 .type = FIO_OPT_STR,
3687 .cb = str_cpus_allowed_cb,
a609f12a 3688 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3689 .help = "Set CPUs allowed",
e8b0e958 3690 .category = FIO_OPT_C_GENERAL,
10860056 3691 .group = FIO_OPT_G_CRED,
d2e268b0 3692 },
c2acfbac
JA		 3693 {
3694 .name = "cpus_allowed_policy",
3695 .lname = "CPUs allowed distribution policy",
3696 .type = FIO_OPT_STR,
a609f12a 3697 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3698 .help = "Distribution policy for cpus_allowed",
3699 .parent = "cpus_allowed",
3700 .prio = 1,
3701 .posval = {
3702 { .ival = "shared",
3703 .oval = FIO_CPUS_SHARED,
3704 .help = "Mask shared between threads",
3705 },
3706 { .ival = "split",
3707 .oval = FIO_CPUS_SPLIT,
3708 .help = "Mask split between threads",
3709 },
3710 },
3711 .category = FIO_OPT_C_GENERAL,
3712 .group = FIO_OPT_G_CRED,
3713 },
a275c37a
JA		 3714#else
3715 {
3716 .name = "cpumask",
3717 .lname = "CPU mask",
3718 .type = FIO_OPT_UNSUPPORTED,
3719 .help = "Your platform does not support CPU affinities",
3720 },
3721 {
3722 .name = "cpus_allowed",
3723 .lname = "CPUs allowed",
3724 .type = FIO_OPT_UNSUPPORTED,
3725 .help = "Your platform does not support CPU affinities",
3726 },
3727 {
3728 .name = "cpus_allowed_policy",
3729 .lname = "CPUs allowed distribution policy",
3730 .type = FIO_OPT_UNSUPPORTED,
3731 .help = "Your platform does not support CPU affinities",
3732 },
d0b937ed 3733#endif
67bf9823 3734#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3735 {
3736 .name = "numa_cpu_nodes",
cce2fdfe 3737 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3738 .type = FIO_OPT_STR,
3739 .cb = str_numa_cpunodes_cb,
a609f12a 3740 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3741 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3742 .category = FIO_OPT_C_GENERAL,
3743 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3744 },
3745 {
3746 .name = "numa_mem_policy",
cce2fdfe 3747 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3748 .type = FIO_OPT_STR,
3749 .cb = str_numa_mpol_cb,
a609f12a 3750 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3751 .help = "NUMA memory policy setup",
6be54b2d
JA		 3752 .category = FIO_OPT_C_GENERAL,
3753 .group = FIO_OPT_G_INVALID,
d0b937ed 3754 },
a275c37a
JA		 3755#else
3756 {
3757 .name = "numa_cpu_nodes",
3758 .lname = "NUMA CPU Nodes",
3759 .type = FIO_OPT_UNSUPPORTED,
3760 .help = "Build fio with libnuma-dev(el) to enable this option",
3761 },
3762 {
3763 .name = "numa_mem_policy",
3764 .lname = "NUMA Memory Policy",
3765 .type = FIO_OPT_UNSUPPORTED,
3766 .help = "Build fio with libnuma-dev(el) to enable this option",
3767 },
03553853
YR		 3768#endif
3769#ifdef CONFIG_CUDA
3770 {
3771 .name = "gpu_dev_id",
3772 .lname = "GPU device ID",
3773 .type = FIO_OPT_INT,
3774 .off1 = offsetof(struct thread_options, gpu_dev_id),
3775 .help = "Set GPU device ID for GPUDirect RDMA",
3776 .def = "0",
3777 .category = FIO_OPT_C_GENERAL,
3778 .group = FIO_OPT_G_INVALID,
3779 },
214e1eca
JA		 3780#endif
3781 {
3782 .name = "end_fsync",
e8b0e958 3783 .lname = "End fsync",
214e1eca 3784 .type = FIO_OPT_BOOL,
a609f12a 3785 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3786 .help = "Include fsync at the end of job",
3787 .def = "0",
e8b0e958
JA		 3788 .category = FIO_OPT_C_FILE,
3789 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3790 },
3791 {
3792 .name = "fsync_on_close",
e8b0e958 3793 .lname = "Fsync on close",
214e1eca 3794 .type = FIO_OPT_BOOL,
a609f12a 3795 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3796 .help = "fsync files on close",
3797 .def = "0",
e8b0e958
JA		 3798 .category = FIO_OPT_C_FILE,
3799 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3800 },
3801 {
3802 .name = "unlink",
e8b0e958 3803 .lname = "Unlink file",
214e1eca 3804 .type = FIO_OPT_BOOL,
a609f12a 3805 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3806 .help = "Unlink created files after job has completed",
3807 .def = "0",
e8b0e958
JA		 3808 .category = FIO_OPT_C_FILE,
3809 .group = FIO_OPT_G_INVALID,
214e1eca 3810 },
39c1c323 3811 {
3812 .name = "unlink_each_loop",
3813 .lname = "Unlink file after each loop of a job",
3814 .type = FIO_OPT_BOOL,
a609f12a 3815 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3816 .help = "Unlink created files after each loop in a job has completed",
3817 .def = "0",
3818 .category = FIO_OPT_C_FILE,
3819 .group = FIO_OPT_G_INVALID,
3820 },
214e1eca
JA		 3821 {
3822 .name = "exitall",
e8b0e958 3823 .lname = "Exit-all on terminate",
214e1eca
JA		 3824 .type = FIO_OPT_STR_SET,
3825 .cb = str_exitall_cb,
3826 .help = "Terminate all jobs when one exits",
e8b0e958 3827 .category = FIO_OPT_C_GENERAL,
a1f6afec 3828 .group = FIO_OPT_G_PROCESS,
214e1eca 3829 },
f9cafb12
JA		 3830 {
3831 .name = "exitall_on_error",
3832 .lname = "Exit-all on terminate in error",
78abcf9b 3833 .type = FIO_OPT_STR_SET,
a609f12a 3834 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3835 .help = "Terminate all jobs when one exits in error",
3836 .category = FIO_OPT_C_GENERAL,
3837 .group = FIO_OPT_G_PROCESS,
3838 },
214e1eca
JA		 3839 {
3840 .name = "stonewall",
e8b0e958 3841 .lname = "Wait for previous",
d392365e 3842 .alias = "wait_for_previous",
214e1eca 3843 .type = FIO_OPT_STR_SET,
a609f12a 3844 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3845 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3846 .category = FIO_OPT_C_GENERAL,
a1f6afec 3847 .group = FIO_OPT_G_PROCESS,
214e1eca 3848 },
b3d62a75
JA		 3849 {
3850 .name = "new_group",
e8b0e958 3851 .lname = "New group",
b3d62a75 3852 .type = FIO_OPT_STR_SET,
a609f12a 3853 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3854 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3855 .category = FIO_OPT_C_GENERAL,
a1f6afec 3856 .group = FIO_OPT_G_PROCESS,
b3d62a75 3857 },
214e1eca
JA		 3858 {
3859 .name = "thread",
e8b0e958 3860 .lname = "Thread",
214e1eca 3861 .type = FIO_OPT_STR_SET,
a609f12a 3862 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3863 .help = "Use threads instead of processes",
c8931876
JA		 3864#ifdef CONFIG_NO_SHM
3865 .def = "1",
3866 .no_warn_def = 1,
3867#endif
e8b0e958 3868 .category = FIO_OPT_C_GENERAL,
a1f6afec 3869 .group = FIO_OPT_G_PROCESS,
214e1eca 3870 },
3a5db920
JA		 3871 {
3872 .name = "per_job_logs",
cce2fdfe 3873 .lname = "Per Job Logs",
3a5db920 3874 .type = FIO_OPT_BOOL,
a609f12a 3875 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3876 .help = "Include job number in generated log files or not",
3877 .def = "1",
3878 .category = FIO_OPT_C_LOG,
3879 .group = FIO_OPT_G_INVALID,
3880 },
214e1eca
JA		 3881 {
3882 .name = "write_bw_log",
e8b0e958 3883 .lname = "Write bandwidth log",
dded427c 3884 .type = FIO_OPT_STR,
a609f12a 3885 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3886 .cb = str_write_bw_log_cb,
214e1eca 3887 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3888 .category = FIO_OPT_C_LOG,
3889 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3890 },
3891 {
3892 .name = "write_lat_log",
e8b0e958 3893 .lname = "Write latency log",
dded427c 3894 .type = FIO_OPT_STR,
a609f12a 3895 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3896 .cb = str_write_lat_log_cb,
214e1eca 3897 .help = "Write log of latency during run",
e8b0e958
JA		 3898 .category = FIO_OPT_C_LOG,
3899 .group = FIO_OPT_G_INVALID,
214e1eca 3900 },
c8eeb9df
JA		 3901 {
3902 .name = "write_iops_log",
e8b0e958 3903 .lname = "Write IOPS log",
dded427c 3904 .type = FIO_OPT_STR,
a609f12a 3905 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3906 .cb = str_write_iops_log_cb,
c8eeb9df 3907 .help = "Write log of IOPS during run",
e8b0e958
JA		 3908 .category = FIO_OPT_C_LOG,
3909 .group = FIO_OPT_G_INVALID,
c8eeb9df 3910 },
b8bc8cba
JA		 3911 {
3912 .name = "log_avg_msec",
e8b0e958 3913 .lname = "Log averaging (msec)",
b8bc8cba 3914 .type = FIO_OPT_INT,
a609f12a 3915 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3916 .help = "Average bw/iops/lat logs over this period of time",
3917 .def = "0",
e8b0e958 3918 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3919 .group = FIO_OPT_G_INVALID,
3920 },
3921 {
3922 .name = "log_hist_msec",
3923 .lname = "Log histograms (msec)",
3924 .type = FIO_OPT_INT,
a609f12a 3925 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3926 .help = "Dump completion latency histograms at frequency of this time value",
3927 .def = "0",
3928 .category = FIO_OPT_C_LOG,
3929 .group = FIO_OPT_G_INVALID,
3930 },
3931 {
3932 .name = "log_hist_coarseness",
3933 .lname = "Histogram logs coarseness",
3934 .type = FIO_OPT_INT,
a609f12a 3935 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3936 .help = "Integer in range [0,6]. Higher coarseness outputs"
3937 " fewer histogram bins per sample. The number of bins for"
3938 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3939 .def = "0",
3940 .category = FIO_OPT_C_LOG,
3941 .group = FIO_OPT_G_INVALID,
3942 },
3943 {
3944 .name = "write_hist_log",
3945 .lname = "Write latency histogram logs",
dded427c 3946 .type = FIO_OPT_STR,
a609f12a 3947 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3948 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3949 .help = "Write log of latency histograms during run",
3950 .category = FIO_OPT_C_LOG,
e8b0e958 3951 .group = FIO_OPT_G_INVALID,
b8bc8cba 3952 },
e6989e10
JA		 3953 {
3954 .name = "log_max_value",
3955 .lname = "Log maximum instead of average",
3956 .type = FIO_OPT_BOOL,
a609f12a 3957 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3958 .help = "Log max sample in a window instead of average",
3959 .def = "0",
3960 .category = FIO_OPT_C_LOG,
3961 .group = FIO_OPT_G_INVALID,
3962 },
ae588852
JA		 3963 {
3964 .name = "log_offset",
3965 .lname = "Log offset of IO",
3966 .type = FIO_OPT_BOOL,
a609f12a 3967 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3968 .help = "Include offset of IO for each log entry",
3969 .def = "0",
3970 .category = FIO_OPT_C_LOG,
3971 .group = FIO_OPT_G_INVALID,
3972 },
aee2ab67
JA		 3973#ifdef CONFIG_ZLIB
3974 {
3975 .name = "log_compression",
3976 .lname = "Log compression",
3977 .type = FIO_OPT_INT,
a609f12a 3978 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3979 .help = "Log in compressed chunks of this size",
9919b27b 3980 .minval = 1024ULL,
aee2ab67
JA		 3981 .maxval = 512 * 1024 * 1024ULL,
3982 .category = FIO_OPT_C_LOG,
3983 .group = FIO_OPT_G_INVALID,
3984 },
c08f9fe2
JA		 3985#ifdef FIO_HAVE_CPU_AFFINITY
3986 {
3987 .name = "log_compression_cpus",
3988 .lname = "Log Compression CPUs",
3989 .type = FIO_OPT_STR,
3990 .cb = str_log_cpus_allowed_cb,
a609f12a 3991 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 3992 .parent = "log_compression",
3993 .help = "Limit log compression to these CPUs",
3994 .category = FIO_OPT_C_LOG,
3995 .group = FIO_OPT_G_INVALID,
3996 },
a275c37a
JA		 3997#else
3998 {
3999 .name = "log_compression_cpus",
4000 .lname = "Log Compression CPUs",
4001 .type = FIO_OPT_UNSUPPORTED,
4002 .help = "Your platform does not support CPU affinities",
4003 },
c08f9fe2 4004#endif
b26317c9
JA		 4005 {
4006 .name = "log_store_compressed",
4007 .lname = "Log store compressed",
4008 .type = FIO_OPT_BOOL,
a609f12a 4009 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 4010 .help = "Store logs in a compressed format",
4011 .category = FIO_OPT_C_LOG,
4012 .group = FIO_OPT_G_INVALID,
4013 },
a275c37a
JA		 4014#else
4015 {
4016 .name = "log_compression",
4017 .lname = "Log compression",
4018 .type = FIO_OPT_UNSUPPORTED,
4019 .help = "Install libz-dev(el) to get compression support",
4020 },
4021 {
4022 .name = "log_store_compressed",
4023 .lname = "Log store compressed",
4024 .type = FIO_OPT_UNSUPPORTED,
4025 .help = "Install libz-dev(el) to get compression support",
4026 },
aee2ab67 4027#endif
3aea75b1
KC		 4028 {
4029 .name = "log_unix_epoch",
4030 .lname = "Log epoch unix",
4031 .type = FIO_OPT_BOOL,
4032 .off1 = offsetof(struct thread_options, log_unix_epoch),
4033 .help = "Use Unix time in log files",
4034 .category = FIO_OPT_C_LOG,
4035 .group = FIO_OPT_G_INVALID,
4036 },
66347cfa
DE		 4037 {
4038 .name = "block_error_percentiles",
4039 .lname = "Block error percentiles",
4040 .type = FIO_OPT_BOOL,
a609f12a 4041 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 4042 .help = "Record trim block errors and make a histogram",
4043 .def = "0",
4044 .category = FIO_OPT_C_LOG,
4045 .group = FIO_OPT_G_INVALID,
4046 },
c504ee55
JA		 4047 {
4048 .name = "bwavgtime",
4049 .lname = "Bandwidth average time",
4050 .type = FIO_OPT_INT,
a609f12a 4051 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 4052 .help = "Time window over which to calculate bandwidth"
4053 " (msec)",
4054 .def = "500",
4055 .parent = "write_bw_log",
4056 .hide = 1,
4057 .interval = 100,
4058 .category = FIO_OPT_C_LOG,
4059 .group = FIO_OPT_G_INVALID,
4060 },
4061 {
4062 .name = "iopsavgtime",
4063 .lname = "IOPS average time",
4064 .type = FIO_OPT_INT,
a609f12a 4065 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 4066 .help = "Time window over which to calculate IOPS (msec)",
4067 .def = "500",
4068 .parent = "write_iops_log",
4069 .hide = 1,
4070 .interval = 100,
4071 .category = FIO_OPT_C_LOG,
4072 .group = FIO_OPT_G_INVALID,
4073 },
214e1eca
JA		 4074 {
4075 .name = "group_reporting",
e8b0e958 4076 .lname = "Group reporting",
d2507043 4077 .type = FIO_OPT_STR_SET,
a609f12a 4078 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 4079 .help = "Do reporting on a per-group basis",
10860056 4080 .category = FIO_OPT_C_STAT,
e8b0e958 4081 .group = FIO_OPT_G_INVALID,
214e1eca 4082 },
8243be59
JA		 4083 {
4084 .name = "stats",
4085 .lname = "Stats",
4086 .type = FIO_OPT_BOOL,
4087 .off1 = offsetof(struct thread_options, stats),
4088 .help = "Enable collection of stats",
4089 .def = "1",
4090 .category = FIO_OPT_C_STAT,
4091 .group = FIO_OPT_G_INVALID,
4092 },
e9459e5a
JA		 4093 {
4094 .name = "zero_buffers",
e8b0e958 4095 .lname = "Zero I/O buffers",
e9459e5a 4096 .type = FIO_OPT_STR_SET,
a609f12a 4097 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4098 .help = "Init IO buffers to all zeroes",
e8b0e958 4099 .category = FIO_OPT_C_IO,
3ceb458f 4100 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4101 },
5973cafb
JA		 4102 {
4103 .name = "refill_buffers",
e8b0e958 4104 .lname = "Refill I/O buffers",
5973cafb 4105 .type = FIO_OPT_STR_SET,
a609f12a 4106 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4107 .help = "Refill IO buffers on every IO submit",
e8b0e958 4108 .category = FIO_OPT_C_IO,
3ceb458f 4109 .group = FIO_OPT_G_IO_BUF,
5973cafb 4110 },
fd68418e
JA		 4111 {
4112 .name = "scramble_buffers",
e8b0e958 4113 .lname = "Scramble I/O buffers",
fd68418e 4114 .type = FIO_OPT_BOOL,
a609f12a 4115 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4116 .help = "Slightly scramble buffers on every IO submit",
4117 .def = "1",
e8b0e958 4118 .category = FIO_OPT_C_IO,
3ceb458f 4119 .group = FIO_OPT_G_IO_BUF,
fd68418e 4120 },
ce35b1ec
JA		 4121 {
4122 .name = "buffer_pattern",
4123 .lname = "Buffer pattern",
4124 .type = FIO_OPT_STR,
4125 .cb = str_buffer_pattern_cb,
a609f12a 4126 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4127 .help = "Fill pattern for IO buffers",
4128 .category = FIO_OPT_C_IO,
4129 .group = FIO_OPT_G_IO_BUF,
4130 },
9c42684e
JA		 4131 {
4132 .name = "buffer_compress_percentage",
e8b0e958 4133 .lname = "Buffer compression percentage",
9c42684e 4134 .type = FIO_OPT_INT,
bedc9dc2 4135 .cb = str_buffer_compress_cb,
a609f12a 4136 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4137 .maxval = 100,
e7f5de90 4138 .minval = 0,
9c42684e 4139 .help = "How compressible the buffer is (approximately)",
20eb06bd 4140 .interval = 5,
e8b0e958 4141 .category = FIO_OPT_C_IO,
3ceb458f 4142 .group = FIO_OPT_G_IO_BUF,
9c42684e 4143 },
f97a43a1
JA		 4144 {
4145 .name = "buffer_compress_chunk",
e8b0e958 4146 .lname = "Buffer compression chunk size",
f97a43a1 4147 .type = FIO_OPT_INT,
a609f12a 4148 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4149 .parent = "buffer_compress_percentage",
d71c154c 4150 .hide = 1,
f97a43a1 4151 .help = "Size of compressible region in buffer",
1de80624 4152 .def = "512",
20eb06bd 4153 .interval = 256,
e8b0e958 4154 .category = FIO_OPT_C_IO,
3ceb458f 4155 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4156 },
5c94b008
JA		 4157 {
4158 .name = "dedupe_percentage",
4159 .lname = "Dedupe percentage",
4160 .type = FIO_OPT_INT,
4161 .cb = str_dedupe_cb,
a609f12a 4162 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4163 .maxval = 100,
4164 .minval = 0,
4165 .help = "Percentage of buffers that are dedupable",
4166 .interval = 1,
4167 .category = FIO_OPT_C_IO,
4168 .group = FIO_OPT_G_IO_BUF,
4169 },
83349190
YH		 4170 {
4171 .name = "clat_percentiles",
e8b0e958 4172 .lname = "Completion latency percentiles",
83349190 4173 .type = FIO_OPT_BOOL,
a609f12a 4174 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4175 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4176 .def = "1",
b599759b
JA		 4177 .inverse = "lat_percentiles",
4178 .category = FIO_OPT_C_STAT,
4179 .group = FIO_OPT_G_INVALID,
4180 },
4181 {
4182 .name = "lat_percentiles",
4183 .lname = "IO latency percentiles",
4184 .type = FIO_OPT_BOOL,
4185 .off1 = offsetof(struct thread_options, lat_percentiles),
4186 .help = "Enable the reporting of IO latency percentiles",
4187 .def = "0",
4188 .inverse = "clat_percentiles",
e8b0e958
JA		 4189 .category = FIO_OPT_C_STAT,
4190 .group = FIO_OPT_G_INVALID,
83349190
YH		 4191 },
4192 {
4193 .name = "percentile_list",
66347cfa 4194 .lname = "Percentile list",
83349190 4195 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4196 .off1 = offsetof(struct thread_options, percentile_list),
4197 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4198 .help = "Specify a custom list of percentiles to report for "
4199 "completion latency and block errors",
fd112d34 4200 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4201 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4202 .minfp = 0.0,
4203 .maxfp = 100.0,
e8b0e958
JA		 4204 .category = FIO_OPT_C_STAT,
4205 .group = FIO_OPT_G_INVALID,
e883cb35
JF		 4206 },
4207 {
4208 .name = "significant_figures",
4209 .lname = "Significant figures",
4210 .type = FIO_OPT_INT,
4211 .off1 = offsetof(struct thread_options, sig_figs),
4212 .maxval = 10,
4213 .minval = 1,
4214 .help = "Significant figures for output-format set to normal",
4215 .def = "4",
4216 .interval = 1,
4217 .category = FIO_OPT_C_STAT,
4218 .group = FIO_OPT_G_INVALID,
83349190
YH		 4219 },
4220
0a839f30
JA		 4221#ifdef FIO_HAVE_DISK_UTIL
4222 {
4223 .name = "disk_util",
e8b0e958 4224 .lname = "Disk utilization",
0a839f30 4225 .type = FIO_OPT_BOOL,
a609f12a 4226 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4227 .help = "Log disk utilization statistics",
0a839f30 4228 .def = "1",
e8b0e958
JA		 4229 .category = FIO_OPT_C_STAT,
4230 .group = FIO_OPT_G_INVALID,
0a839f30 4231 },
a275c37a
JA		 4232#else
4233 {
4234 .name = "disk_util",
4235 .lname = "Disk utilization",
4236 .type = FIO_OPT_UNSUPPORTED,
4237 .help = "Your platform does not support disk utilization",
4238 },
0a839f30 4239#endif
993bf48b
JA		 4240 {
4241 .name = "gtod_reduce",
e8b0e958 4242 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4243 .type = FIO_OPT_BOOL,
4244 .help = "Greatly reduce number of gettimeofday() calls",
4245 .cb = str_gtod_reduce_cb,
4246 .def = "0",
a4ed77fe 4247 .hide_on_set = 1,
e8b0e958
JA		 4248 .category = FIO_OPT_C_STAT,
4249 .group = FIO_OPT_G_INVALID,
993bf48b 4250 },
02af0988
JA		 4251 {
4252 .name = "disable_lat",
e8b0e958 4253 .lname = "Disable all latency stats",
02af0988 4254 .type = FIO_OPT_BOOL,
a609f12a 4255 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4256 .help = "Disable latency numbers",
4257 .parent = "gtod_reduce",
d71c154c 4258 .hide = 1,
02af0988 4259 .def = "0",
e8b0e958
JA		 4260 .category = FIO_OPT_C_STAT,
4261 .group = FIO_OPT_G_INVALID,
02af0988 4262 },
9520ebb9
JA		 4263 {
4264 .name = "disable_clat",
e8b0e958 4265 .lname = "Disable completion latency stats",
9520ebb9 4266 .type = FIO_OPT_BOOL,
a609f12a 4267 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4268 .help = "Disable completion latency numbers",
993bf48b 4269 .parent = "gtod_reduce",
d71c154c 4270 .hide = 1,
9520ebb9 4271 .def = "0",
e8b0e958
JA		 4272 .category = FIO_OPT_C_STAT,
4273 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4274 },
4275 {
4276 .name = "disable_slat",
e8b0e958 4277 .lname = "Disable submission latency stats",
9520ebb9 4278 .type = FIO_OPT_BOOL,
a609f12a 4279 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4280 .help = "Disable submission latency numbers",
993bf48b 4281 .parent = "gtod_reduce",
d71c154c 4282 .hide = 1,
9520ebb9 4283 .def = "0",
e8b0e958
JA		 4284 .category = FIO_OPT_C_STAT,
4285 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4286 },
4287 {
4288 .name = "disable_bw_measurement",
afd2ceff 4289 .alias = "disable_bw",
e8b0e958 4290 .lname = "Disable bandwidth stats",
9520ebb9 4291 .type = FIO_OPT_BOOL,
a609f12a 4292 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4293 .help = "Disable bandwidth logging",
993bf48b 4294 .parent = "gtod_reduce",
d71c154c 4295 .hide = 1,
9520ebb9 4296 .def = "0",
e8b0e958
JA		 4297 .category = FIO_OPT_C_STAT,
4298 .group = FIO_OPT_G_INVALID,
9520ebb9 4299 },
be4ecfdf
JA		 4300 {
4301 .name = "gtod_cpu",
e8b0e958 4302 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4303 .type = FIO_OPT_INT,
a609f12a 4304 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4305 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4306 .verify = gtod_cpu_verify,
e8b0e958 4307 .category = FIO_OPT_C_GENERAL,
10860056 4308 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4309 },
771e58be
JA		 4310 {
4311 .name = "unified_rw_reporting",
cce2fdfe 4312 .lname = "Unified RW Reporting",
771e58be 4313 .type = FIO_OPT_BOOL,
a609f12a 4314 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4315 .help = "Unify reporting across data direction",
4316 .def = "0",
90b7a96d
JA		 4317 .category = FIO_OPT_C_GENERAL,
4318 .group = FIO_OPT_G_INVALID,
771e58be 4319 },
f2bba182
RR		 4320 {
4321 .name = "continue_on_error",
e8b0e958 4322 .lname = "Continue on error",
06842027 4323 .type = FIO_OPT_STR,
a609f12a 4324 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4325 .help = "Continue on non-fatal errors during IO",
06842027 4326 .def = "none",
e8b0e958 4327 .category = FIO_OPT_C_GENERAL,
bc3f552f 4328 .group = FIO_OPT_G_ERR,
06842027
SL		 4329 .posval = {
4330 { .ival = "none",
4331 .oval = ERROR_TYPE_NONE,
4332 .help = "Exit when an error is encountered",
4333 },
4334 { .ival = "read",
4335 .oval = ERROR_TYPE_READ,
4336 .help = "Continue on read errors only",
4337 },
4338 { .ival = "write",
4339 .oval = ERROR_TYPE_WRITE,
4340 .help = "Continue on write errors only",
4341 },
4342 { .ival = "io",
4343 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4344 .help = "Continue on any IO errors",
4345 },
4346 { .ival = "verify",
4347 .oval = ERROR_TYPE_VERIFY,
4348 .help = "Continue on verify errors only",
4349 },
4350 { .ival = "all",
4351 .oval = ERROR_TYPE_ANY,
4352 .help = "Continue on all io and verify errors",
4353 },
4354 { .ival = "0",
4355 .oval = ERROR_TYPE_NONE,
4356 .help = "Alias for 'none'",
4357 },
4358 { .ival = "1",
4359 .oval = ERROR_TYPE_ANY,
4360 .help = "Alias for 'all'",
4361 },
4362 },
f2bba182 4363 },
8b28bd41
DM		 4364 {
4365 .name = "ignore_error",
cce2fdfe 4366 .lname = "Ignore Error",
8b28bd41
DM		 4367 .type = FIO_OPT_STR,
4368 .cb = str_ignore_error_cb,
a609f12a 4369 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4370 .help = "Set a specific list of errors to ignore",
4371 .parent = "rw",
a94eb99a 4372 .category = FIO_OPT_C_GENERAL,
bc3f552f 4373 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4374 },
4375 {
4376 .name = "error_dump",
cce2fdfe 4377 .lname = "Error Dump",
8b28bd41 4378 .type = FIO_OPT_BOOL,
a609f12a 4379 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4380 .def = "0",
4381 .help = "Dump info on each error",
a94eb99a 4382 .category = FIO_OPT_C_GENERAL,
bc3f552f 4383 .group = FIO_OPT_G_ERR,
8b28bd41 4384 },
9ac8a797
JA		 4385 {
4386 .name = "profile",
e8b0e958 4387 .lname = "Profile",
79d16311 4388 .type = FIO_OPT_STR_STORE,
a609f12a 4389 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4390 .help = "Select a specific builtin performance test",
13fca827 4391 .category = FIO_OPT_C_PROFILE,
e8b0e958 4392 .group = FIO_OPT_G_INVALID,
9ac8a797 4393 },
a696fa2a
JA		 4394 {
4395 .name = "cgroup",
e8b0e958 4396 .lname = "Cgroup",
a696fa2a 4397 .type = FIO_OPT_STR_STORE,
a609f12a 4398 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4399 .help = "Add job to cgroup of this name",
e8b0e958 4400 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4401 .group = FIO_OPT_G_CGROUP,
4402 },
4403 {
4404 .name = "cgroup_nodelete",
4405 .lname = "Cgroup no-delete",
4406 .type = FIO_OPT_BOOL,
a609f12a 4407 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4408 .help = "Do not delete cgroups after job completion",
4409 .def = "0",
4410 .parent = "cgroup",
4411 .category = FIO_OPT_C_GENERAL,
4412 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4413 },
4414 {
4415 .name = "cgroup_weight",
e8b0e958 4416 .lname = "Cgroup weight",
a696fa2a 4417 .type = FIO_OPT_INT,
a609f12a 4418 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4419 .help = "Use given weight for cgroup",
4420 .minval = 100,
4421 .maxval = 1000,
a1f6afec 4422 .parent = "cgroup",
e8b0e958 4423 .category = FIO_OPT_C_GENERAL,
a1f6afec 4424 .group = FIO_OPT_G_CGROUP,
7de87099 4425 },
e0b0d892
JA		 4426 {
4427 .name = "uid",
e8b0e958 4428 .lname = "User ID",
e0b0d892 4429 .type = FIO_OPT_INT,
a609f12a 4430 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4431 .help = "Run job with this user ID",
e8b0e958 4432 .category = FIO_OPT_C_GENERAL,
10860056 4433 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4434 },
4435 {
4436 .name = "gid",
e8b0e958 4437 .lname = "Group ID",
e0b0d892 4438 .type = FIO_OPT_INT,
a609f12a 4439 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4440 .help = "Run job with this group ID",
e8b0e958 4441 .category = FIO_OPT_C_GENERAL,
10860056 4442 .group = FIO_OPT_G_CRED,
e0b0d892 4443 },
a1f6afec
JA		 4444 {
4445 .name = "kb_base",
4446 .lname = "KB Base",
4447 .type = FIO_OPT_INT,
a609f12a 4448 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4449 .prio = 1,
4450 .def = "1024",
ba9c7219
JA		 4451 .posval = {
4452 { .ival = "1024",
4453 .oval = 1024,
d694a6a7 4454 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4455 },
4456 { .ival = "1000",
4457 .oval = 1000,
d694a6a7 4458 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4459 },
4460 },
d694a6a7 4461 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4462 .category = FIO_OPT_C_GENERAL,
4463 .group = FIO_OPT_G_INVALID,
4464 },
cf3a0518
JA		 4465 {
4466 .name = "unit_base",
d694a6a7 4467 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4468 .type = FIO_OPT_INT,
a609f12a 4469 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4470 .prio = 1,
71a08258
JA		 4471 .posval = {
4472 { .ival = "0",
41a87019 4473 .oval = N2S_NONE,
71a08258
JA		 4474 .help = "Auto-detect",
4475 },
4476 { .ival = "8",
41a87019 4477 .oval = N2S_BYTEPERSEC,
71a08258
JA		 4478 .help = "Normal (byte based)",
4479 },
4480 { .ival = "1",
41a87019 4481 .oval = N2S_BITPERSEC,
71a08258
JA		 4482 .help = "Bit based",
4483 },
4484 },
cf3a0518
JA		 4485 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4486 .category = FIO_OPT_C_GENERAL,
4487 .group = FIO_OPT_G_INVALID,
4488 },
3ceb458f
JA		 4489 {
4490 .name = "hugepage-size",
4491 .lname = "Hugepage size",
4492 .type = FIO_OPT_INT,
a609f12a 4493 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4494 .help = "When using hugepages, specify size of each page",
4495 .def = __fio_stringify(FIO_HUGE_PAGE),
4496 .interval = 1024 * 1024,
4497 .category = FIO_OPT_C_GENERAL,
4498 .group = FIO_OPT_G_INVALID,
4499 },
9e684a49
DE		 4500 {
4501 .name = "flow_id",
e8b0e958 4502 .lname = "I/O flow ID",
9e684a49 4503 .type = FIO_OPT_INT,
a609f12a 4504 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4505 .help = "The flow index ID to use",
4506 .def = "0",
e8b0e958
JA		 4507 .category = FIO_OPT_C_IO,
4508 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4509 },
4510 {
4511 .name = "flow",
e8b0e958 4512 .lname = "I/O flow weight",
9e684a49 4513 .type = FIO_OPT_INT,
a609f12a 4514 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4515 .help = "Weight for flow control of this job",
4516 .parent = "flow_id",
d71c154c 4517 .hide = 1,
9e684a49 4518 .def = "0",
e8b0e958
JA		 4519 .category = FIO_OPT_C_IO,
4520 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4521 },
4522 {
4523 .name = "flow_watermark",
e8b0e958 4524 .lname = "I/O flow watermark",
9e684a49 4525 .type = FIO_OPT_INT,
a609f12a 4526 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4527 .help = "High watermark for flow control. This option"
4528 " should be set to the same value for all threads"
4529 " with non-zero flow.",
4530 .parent = "flow_id",
d71c154c 4531 .hide = 1,
9e684a49 4532 .def = "1024",
e8b0e958
JA		 4533 .category = FIO_OPT_C_IO,
4534 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4535 },
4536 {
4537 .name = "flow_sleep",
e8b0e958 4538 .lname = "I/O flow sleep",
9e684a49 4539 .type = FIO_OPT_INT,
a609f12a 4540 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4541 .help = "How many microseconds to sleep after being held"
4542 " back by the flow control mechanism",
4543 .parent = "flow_id",
d71c154c 4544 .hide = 1,
9e684a49 4545 .def = "0",
e8b0e958
JA		 4546 .category = FIO_OPT_C_IO,
4547 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4548 },
16e56d25
VF		 4549 {
4550 .name = "steadystate",
4551 .lname = "Steady state threshold",
4552 .alias = "ss",
4553 .type = FIO_OPT_STR,
2c5d94bc 4554 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4555 .cb = str_steadystate_cb,
4556 .help = "Define the criterion and limit to judge when a job has reached steady state",
4557 .def = "iops_slope:0.01%",
4558 .posval = {
4559 { .ival = "iops",
f0c50c66 4560 .oval = FIO_SS_IOPS,
16e56d25
VF		 4561 .help = "maximum mean deviation of IOPS measurements",
4562 },
4563 { .ival = "iops_slope",
f0c50c66 4564 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4565 .help = "slope calculated from IOPS measurements",
4566 },
4567 { .ival = "bw",
f0c50c66 4568 .oval = FIO_SS_BW,
16e56d25
VF		 4569 .help = "maximum mean deviation of bandwidth measurements",
4570 },
4571 {
4572 .ival = "bw_slope",
f0c50c66 4573 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4574 .help = "slope calculated from bandwidth measurements",
4575 },
4576 },
4577 .category = FIO_OPT_C_GENERAL,
4578 .group = FIO_OPT_G_RUNTIME,
4579 },
4580 {
4581 .name = "steadystate_duration",
4582 .lname = "Steady state duration",
4583 .alias = "ss_dur",
915ca980 4584 .parent = "steadystate",
16e56d25
VF		 4585 .type = FIO_OPT_STR_VAL_TIME,
4586 .off1 = offsetof(struct thread_options, ss_dur),
4587 .help = "Stop workload upon attaining steady state for specified duration",
4588 .def = "0",
4589 .is_seconds = 1,
4590 .is_time = 1,
4591 .category = FIO_OPT_C_GENERAL,
4592 .group = FIO_OPT_G_RUNTIME,
4593 },
4594 {
4595 .name = "steadystate_ramp_time",
4596 .lname = "Steady state ramp time",
4597 .alias = "ss_ramp",
915ca980 4598 .parent = "steadystate",
16e56d25
VF		 4599 .type = FIO_OPT_STR_VAL_TIME,
4600 .off1 = offsetof(struct thread_options, ss_ramp_time),
4601 .help = "Delay before initiation of data collection for steady state job termination testing",
4602 .def = "0",
4603 .is_seconds = 1,
4604 .is_time = 1,
4605 .category = FIO_OPT_C_GENERAL,
4606 .group = FIO_OPT_G_RUNTIME,
4607 },
214e1eca
JA		 4608 {
4609 .name = NULL,
4610 },
4611};
4612
17af15d4 4613static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4614 const char *name, int val)
9f81736c 4615{
17af15d4 4616 lopt->name = (char *) name;
de890a1e 4617 lopt->val = val;
9f81736c 4618 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4619 lopt->has_arg = optional_argument;
9f81736c
JA		 4620 else
4621 lopt->has_arg = required_argument;
4622}
4623
de890a1e
SL		 4624static void options_to_lopts(struct fio_option *opts,
4625 struct option *long_options,
4626 int i, int option_type)
214e1eca 4627{
de890a1e 4628 struct fio_option *o = &opts[0];
214e1eca 4629 while (o->name) {
de890a1e 4630 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4631 if (o->alias) {
4632 i++;
de890a1e 4633 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4634 }
214e1eca
JA		 4635
4636 i++;
4637 o++;
4638 assert(i < FIO_NR_OPTIONS);
4639 }
4640}
4641
de890a1e
SL		 4642void fio_options_set_ioengine_opts(struct option *long_options,
4643 struct thread_data *td)
4644{
4645 unsigned int i;
4646
4647 i = 0;
4648 while (long_options[i].name) {
4649 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4650 memset(&long_options[i], 0, sizeof(*long_options));
4651 break;
4652 }
4653 i++;
4654 }
4655
4656 /*
4657 * Just clear out the prior ioengine options.
4658 */
4659 if (!td || !td->eo)
4660 return;
4661
4662 options_to_lopts(td->io_ops->options, long_options, i,
4663 FIO_GETOPT_IOENGINE);
4664}
4665
4666void fio_options_dup_and_init(struct option *long_options)
4667{
4668 unsigned int i;
4669
9af4a244 4670 options_init(fio_options);
de890a1e
SL		 4671
4672 i = 0;
4673 while (long_options[i].name)
4674 i++;
4675
9af4a244 4676 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4677}
4678
74929ac2
JA		 4679struct fio_keyword {
4680 const char *word;
4681 const char *desc;
4682 char *replace;
4683};
4684
4685static struct fio_keyword fio_keywords[] = {
4686 {
4687 .word = "$pagesize",
4688 .desc = "Page size in the system",
4689 },
4690 {
4691 .word = "$mb_memory",
4692 .desc = "Megabytes of memory online",
4693 },
4694 {
4695 .word = "$ncpus",
4696 .desc = "Number of CPUs online in the system",
4697 },
4698 {
4699 .word = NULL,
4700 },
4701};
4702
af1dc266
JA		 4703void fio_keywords_exit(void)
4704{
4705 struct fio_keyword *kw;
4706
4707 kw = &fio_keywords[0];
4708 while (kw->word) {
4709 free(kw->replace);
4710 kw->replace = NULL;
4711 kw++;
4712 }
4713}
4714
74929ac2
JA		 4715void fio_keywords_init(void)
4716{
3b2e1464 4717 unsigned long long mb_memory;
74929ac2
JA		 4718 char buf[128];
4719 long l;
4720
a4cfc477 4721 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4722 fio_keywords[0].replace = strdup(buf);
4723
8eb016d3 4724 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4725 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4726 fio_keywords[1].replace = strdup(buf);
4727
c00a2289 4728 l = cpus_online();
74929ac2
JA		 4729 sprintf(buf, "%lu", l);
4730 fio_keywords[2].replace = strdup(buf);
4731}
4732
892a6ffc
JA		 4733#define BC_APP "bc"
4734
4735static char *bc_calc(char *str)
4736{
d0c814ec 4737 char buf[128], *tmp;
892a6ffc
JA		 4738 FILE *f;
4739 int ret;
4740
4741 /*
4742 * No math, just return string
4743 */
d0c814ec
SL		 4744 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4745 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4746 return str;
4747
4748 /*
4749 * Split option from value, we only need to calculate the value
4750 */
4751 tmp = strchr(str, '=');
4752 if (!tmp)
4753 return str;
4754
4755 tmp++;
892a6ffc 4756
d0c814ec
SL		 4757 /*
4758 * Prevent buffer overflows; such a case isn't reasonable anyway
4759 */
4760 if (strlen(str) >= 128 || strlen(tmp) > 100)
4761 return str;
892a6ffc
JA		 4762
4763 sprintf(buf, "which %s > /dev/null", BC_APP);
4764 if (system(buf)) {
4765 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4766 return NULL;
4767 }
4768
d0c814ec 4769 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4770 f = popen(buf, "r");
3c3ed070 4771 if (!f)
892a6ffc 4772 return NULL;
892a6ffc 4773
d0c814ec 4774 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4775 if (ret <= 0) {
4776 pclose(f);
892a6ffc 4777 return NULL;
1d824f37 4778 }
892a6ffc 4779
892a6ffc 4780 pclose(f);
d0c814ec
SL		 4781 buf[(tmp - str) + ret - 1] = '\0';
4782 memcpy(buf, str, tmp - str);
892a6ffc 4783 free(str);
d0c814ec
SL		 4784 return strdup(buf);
4785}
4786
4787/*
4788 * Return a copy of the input string with substrings of the form ${VARNAME}
4789 * substituted with the value of the environment variable VARNAME. The
4790 * substitution always occurs, even if VARNAME is empty or the corresponding
4791 * environment variable undefined.
4792 */
b4f5e72f 4793char *fio_option_dup_subs(const char *opt)
d0c814ec
SL		 4794{
4795 char out[OPT_LEN_MAX+1];
4796 char in[OPT_LEN_MAX+1];
4797 char *outptr = out;
4798 char *inptr = in;
4799 char *ch1, *ch2, *env;
4800 ssize_t nchr = OPT_LEN_MAX;
4801 size_t envlen;
4802
4803 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4804 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4805 return NULL;
4806 }
4807
4808 in[OPT_LEN_MAX] = '\0';
4809 strncpy(in, opt, OPT_LEN_MAX);
4810
4811 while (*inptr && nchr > 0) {
4812 if (inptr[0] == '$' && inptr[1] == '{') {
4813 ch2 = strchr(inptr, '}');
4814 if (ch2 && inptr+1 < ch2) {
4815 ch1 = inptr+2;
4816 inptr = ch2+1;
4817 *ch2 = '\0';
4818
4819 env = getenv(ch1);
4820 if (env) {
4821 envlen = strlen(env);
4822 if (envlen <= nchr) {
4823 memcpy(outptr, env, envlen);
4824 outptr += envlen;
4825 nchr -= envlen;
4826 }
4827 }
4828
4829 continue;
4830 }
4831 }
4832
4833 *outptr++ = *inptr++;
4834 --nchr;
4835 }
4836
4837 *outptr = '\0';
4838 return strdup(out);
892a6ffc
JA		 4839}
4840
74929ac2
JA		 4841/*
4842 * Look for reserved variable names and replace them with real values
4843 */
4844static char *fio_keyword_replace(char *opt)
4845{
4846 char *s;
4847 int i;
d0c814ec 4848 int docalc = 0;
74929ac2
JA		 4849
4850 for (i = 0; fio_keywords[i].word != NULL; i++) {
4851 struct fio_keyword *kw = &fio_keywords[i];
4852
4853 while ((s = strstr(opt, kw->word)) != NULL) {
4854 char *new = malloc(strlen(opt) + 1);
4855 char *o_org = opt;
4856 int olen = s - opt;
4857 int len;
4858
4859 /*
4860 * Copy part of the string before the keyword and
4861 * sprintf() the replacement after it.
4862 */
4863 memcpy(new, opt, olen);
4864 len = sprintf(new + olen, "%s", kw->replace);
4865
4866 /*
4867 * If there's more in the original string, copy that
4868 * in too
4869 */
4870 opt += strlen(kw->word) + olen;
4871 if (strlen(opt))
4872 memcpy(new + olen + len, opt, opt - o_org - 1);
4873
4874 /*
4875 * replace opt and free the old opt
4876 */
4877 opt = new;
d0c814ec 4878 free(o_org);
7a958bd5 4879
d0c814ec 4880 docalc = 1;
74929ac2
JA		 4881 }
4882 }
4883
d0c814ec
SL		 4884 /*
4885 * Check for potential math and invoke bc, if possible
4886 */
4887 if (docalc)
4888 opt = bc_calc(opt);
4889
7a958bd5 4890 return opt;
74929ac2
JA		 4891}
4892
d0c814ec
SL		 4893static char **dup_and_sub_options(char **opts, int num_opts)
4894{
4895 int i;
4896 char **opts_copy = malloc(num_opts * sizeof(*opts));
4897 for (i = 0; i < num_opts; i++) {
b4f5e72f 4898 opts_copy[i] = fio_option_dup_subs(opts[i]);
d0c814ec
SL		 4899 if (!opts_copy[i])
4900 continue;
4901 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4902 }
4903 return opts_copy;
4904}
4905
e15b023b 4906static void show_closest_option(const char *opt)
a2d027b9
JA		 4907{
4908 int best_option, best_distance;
4909 int i, distance;
e15b023b
JA		 4910 char *name;
4911
4912 if (!strlen(opt))
4913 return;
4914
4915 name = strdup(opt);
4916 i = 0;
4917 while (name[i] != '\0' && name[i] != '=')
4918 i++;
4919 name[i] = '\0';
a2d027b9
JA		 4920
4921 best_option = -1;
4922 best_distance = INT_MAX;
4923 i = 0;
4924 while (fio_options[i].name) {
4925 distance = string_distance(name, fio_options[i].name);
4926 if (distance < best_distance) {
4927 best_distance = distance;
4928 best_option = i;
4929 }
4930 i++;
4931 }
4932
75e6bcba
JA		 4933 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4934 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4935 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4936
4937 free(name);
a2d027b9
JA		 4938}
4939
c2292325 4940int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4941{
de890a1e 4942 int i, ret, unknown;
d0c814ec 4943 char **opts_copy;
3b8b7135 4944
9af4a244 4945 sort_options(opts, fio_options, num_opts);
d0c814ec 4946 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4947
de890a1e 4948 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
9109883a 4949 const struct fio_option *o;
9af4a244 4950 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4951 &o, &td->o, &td->opt_list);
d0c814ec 4952
a8523a6a
JA		 4953 if (!newret && o)
4954 fio_option_mark_set(&td->o, o);
4955
de890a1e
SL		 4956 if (opts_copy[i]) {
4957 if (newret && !o) {
4958 unknown++;
4959 continue;
4960 }
d0c814ec 4961 free(opts_copy[i]);
de890a1e
SL		 4962 opts_copy[i] = NULL;
4963 }
4964
4965 ret |= newret;
4966 }
4967
4968 if (unknown) {
4969 ret |= ioengine_load(td);
4970 if (td->eo) {
4971 sort_options(opts_copy, td->io_ops->options, num_opts);
4972 opts = opts_copy;
4973 }
4974 for (i = 0; i < num_opts; i++) {
9109883a 4975 const struct fio_option *o = NULL;
de890a1e 4976 int newret = 1;
a2d027b9 4977
de890a1e
SL		 4978 if (!opts_copy[i])
4979 continue;
4980
4981 if (td->eo)
4982 newret = parse_option(opts_copy[i], opts[i],
4983 td->io_ops->options, &o,
66e19a38 4984 td->eo, &td->opt_list);
de890a1e
SL		 4985
4986 ret |= newret;
a2d027b9 4987 if (!o) {
de890a1e 4988 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4989 show_closest_option(opts[i]);
4990 }
de890a1e
SL		 4991 free(opts_copy[i]);
4992 opts_copy[i] = NULL;
4993 }
74929ac2 4994 }
3b8b7135 4995
d0c814ec 4996 free(opts_copy);
3b8b7135 4997 return ret;
214e1eca
JA		 4998}
4999
5000int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
5001{
a8523a6a
JA		 5002 int ret;
5003
a609f12a 5004 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a 5005 if (!ret) {
9109883a 5006 const struct fio_option *o;
a8523a6a 5007
9109883a 5008 o = find_option_c(fio_options, opt);
a8523a6a
JA		 5009 if (o)
5010 fio_option_mark_set(&td->o, o);
5011 }
5012
5013 return ret;
214e1eca
JA		 5014}
5015
de890a1e
SL		 5016int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
5017 char *val)
5018{
d8b4f395
JA		 5019 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
5020 &td->opt_list);
de890a1e
SL		 5021}
5022
214e1eca
JA		 5023void fio_fill_default_options(struct thread_data *td)
5024{
cb1402d6 5025 td->o.magic = OPT_MAGIC;
a609f12a 5026 fill_default_options(&td->o, fio_options);
214e1eca
JA		 5027}
5028
5029int fio_show_option_help(const char *opt)
5030{
9af4a244 5031 return show_cmd_help(fio_options, opt);
214e1eca 5032}
d23bb327 5033
de890a1e
SL		 5034/*
5035 * dupe FIO_OPT_STR_STORE options
5036 */
5037void fio_options_mem_dupe(struct thread_data *td)
5038{
53b5693d 5039 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 5040
5041 if (td->eo && td->io_ops) {
de890a1e 5042 void *oldeo = td->eo;
1647f592 5043
de890a1e
SL		 5044 td->eo = malloc(td->io_ops->option_struct_size);
5045 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 5046 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 5047 }
5048}
5049
d6978a32
JA		 5050unsigned int fio_get_kb_base(void *data)
5051{
a609f12a
JA		 5052 struct thread_data *td = cb_data_to_td(data);
5053 struct thread_options *o = &td->o;
d6978a32
JA		 5054 unsigned int kb_base = 0;
5055
cb1402d6
JA		 5056 /*
5057 * This is a hack... For private options, *data is not holding
5058 * a pointer to the thread_options, but to private data. This means
5059 * we can't safely dereference it, but magic is first so mem wise
5060 * it is valid. But this also means that if the job first sets
5061 * kb_base and expects that to be honored by private options,
5062 * it will be disappointed. We will return the global default
5063 * for this.
5064 */
5065 if (o && o->magic == OPT_MAGIC)
83ea422a 5066 kb_base = o->kb_base;
d6978a32
JA		 5067 if (!kb_base)
5068 kb_base = 1024;
5069
5070 return kb_base;
5071}
9f988e2e 5072
9109883a 5073int add_option(const struct fio_option *o)
9f988e2e 5074{
07b3232d
JA		 5075 struct fio_option *__o;
5076 int opt_index = 0;
5077
9af4a244 5078 __o = fio_options;
07b3232d
JA		 5079 while (__o->name) {
5080 opt_index++;
5081 __o++;
5082 }
5083
7b504edd
JA		 5084 if (opt_index + 1 == FIO_MAX_OPTS) {
5085 log_err("fio: FIO_MAX_OPTS is too small\n");
5086 return 1;
5087 }
5088
9af4a244 5089 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 5090 fio_options[opt_index + 1].name = NULL;
07b3232d 5091 return 0;
9f988e2e 5092}
e2de69da 5093
07b3232d 5094void invalidate_profile_options(const char *prof_name)
e2de69da 5095{
07b3232d 5096 struct fio_option *o;
e2de69da 5097
9af4a244 5098 o = fio_options;
07b3232d
JA		 5099 while (o->name) {
5100 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5101 o->type = FIO_OPT_INVALID;
5102 o->prof_name = NULL;
5103 }
5104 o++;
e2de69da
JA		 5105 }
5106}
f5b6bb85
JA		 5107
5108void add_opt_posval(const char *optname, const char *ival, const char *help)
5109{
5110 struct fio_option *o;
5111 unsigned int i;
5112
9af4a244 5113 o = find_option(fio_options, optname);
f5b6bb85
JA		 5114 if (!o)
5115 return;
5116
5117 for (i = 0; i < PARSE_MAX_VP; i++) {
5118 if (o->posval[i].ival)
5119 continue;
5120
5121 o->posval[i].ival = ival;
5122 o->posval[i].help = help;
5123 break;
5124 }
5125}
5126
5127void del_opt_posval(const char *optname, const char *ival)
5128{
5129 struct fio_option *o;
5130 unsigned int i;
5131
9af4a244 5132 o = find_option(fio_options, optname);
f5b6bb85
JA		 5133 if (!o)
5134 return;
5135
5136 for (i = 0; i < PARSE_MAX_VP; i++) {
5137 if (!o->posval[i].ival)
5138 continue;
5139 if (strcmp(o->posval[i].ival, ival))
5140 continue;
5141
5142 o->posval[i].ival = NULL;
5143 o->posval[i].help = NULL;
5144 }
5145}
7e356b2d
JA		 5146
5147void fio_options_free(struct thread_data *td)
5148{
ca6336a8 5149 options_free(fio_options, &td->o);
de890a1e
SL		 5150 if (td->eo && td->io_ops && td->io_ops->options) {
5151 options_free(td->io_ops->options, td->eo);
5152 free(td->eo);
5153 td->eo = NULL;
5154 }
7e356b2d 5155}
c504ee55
JA		 5156
5157struct fio_option *fio_option_find(const char *name)
5158{
5159 return find_option(fio_options, name);
5160}
5161
517c9c72 5162static struct fio_option *find_next_opt(struct fio_option *from,
f0e7f45a 5163 unsigned int off1)
a8523a6a 5164{
f0e7f45a 5165 struct fio_option *opt;
a8523a6a 5166
f0e7f45a
JA		 5167 if (!from)
5168 from = &fio_options[0];
5169 else
5170 from++;
5171
5172 opt = NULL;
5173 do {
5174 if (off1 == from->off1) {
5175 opt = from;
a8523a6a
JA		 5176 break;
5177 }
f0e7f45a
JA		 5178 from++;
5179 } while (from->name);
a8523a6a 5180
f0e7f45a
JA		 5181 return opt;
5182}
5183
5184static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5185{
5186 unsigned int opt_off, index, offset;
a8523a6a
JA		 5187
5188 opt_off = opt - &fio_options[0];
5189 index = opt_off / (8 * sizeof(uint64_t));
5190 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5191 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5192}
5193
72f39748 5194bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5195{
5196 struct fio_option *opt, *next;
5197
5198 next = NULL;
517c9c72 5199 while ((opt = find_next_opt(next, off1)) != NULL) {
f0e7f45a 5200 if (opt_is_set(o, opt))
72f39748 5201 return true;
f0e7f45a
JA		 5202
5203 next = opt;
5204 }
5205
72f39748 5206 return false;
f0e7f45a
JA		 5207}
5208
9109883a 5209void fio_option_mark_set(struct thread_options *o, const struct fio_option *opt)
a8523a6a
JA		 5210{
5211 unsigned int opt_off, index, offset;
5212
5213 opt_off = opt - &fio_options[0];
5214 index = opt_off / (8 * sizeof(uint64_t));
5215 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5216 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5217}
fio - Flexible IO Tester