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[fio.git] / options.c
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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 3241#endif
7b865a2f
BVA		 3242 {
3243 .name = "zonemode",
3244 .lname = "Zone mode",
3245 .help = "Mode for the zonesize, zonerange and zoneskip parameters",
3246 .type = FIO_OPT_STR,
3247 .off1 = offsetof(struct thread_options, zone_mode),
3248 .def = "none",
3249 .category = FIO_OPT_C_IO,
3250 .group = FIO_OPT_G_ZONE,
3251 .posval = {
3252 { .ival = "none",
3253 .oval = ZONE_MODE_NONE,
3254 .help = "no zoning",
3255 },
3256 { .ival = "strided",
3257 .oval = ZONE_MODE_STRIDED,
3258 .help = "strided mode - random I/O is restricted to a single zone",
3259 },
3260 { .ival = "zbd",
3261 .oval = ZONE_MODE_ZBD,
3262 .help = "zoned block device mode - random I/O selects one of multiple zones randomly",
3263 },
3264 },
3265 },
214e1eca
JA		 3266 {
3267 .name = "zonesize",
e8b0e958 3268 .lname = "Zone size",
214e1eca 3269 .type = FIO_OPT_STR_VAL,
a609f12a 3270 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3271 .help = "Amount of data to read per zone",
3272 .def = "0",
20eb06bd 3273 .interval = 1024 * 1024,
e8b0e958
JA		 3274 .category = FIO_OPT_C_IO,
3275 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3276 },
3277 {
3278 .name = "zonerange",
e8b0e958 3279 .lname = "Zone range",
ed335855 3280 .type = FIO_OPT_STR_VAL,
a609f12a 3281 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3282 .help = "Give size of an IO zone",
3283 .def = "0",
20eb06bd 3284 .interval = 1024 * 1024,
e8b0e958
JA		 3285 .category = FIO_OPT_C_IO,
3286 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3287 },
3288 {
3289 .name = "zoneskip",
e8b0e958 3290 .lname = "Zone skip",
214e1eca 3291 .type = FIO_OPT_STR_VAL,
a609f12a 3292 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3293 .help = "Space between IO zones",
3294 .def = "0",
20eb06bd 3295 .interval = 1024 * 1024,
e8b0e958
JA		 3296 .category = FIO_OPT_C_IO,
3297 .group = FIO_OPT_G_ZONE,
214e1eca 3298 },
bfbdd35b
BVA		 3299 {
3300 .name = "read_beyond_wp",
3301 .lname = "Allow reads beyond the zone write pointer",
3302 .type = FIO_OPT_BOOL,
3303 .off1 = offsetof(struct thread_options, read_beyond_wp),
3304 .help = "Allow reads beyond the zone write pointer",
3305 .def = "0",
3306 .category = FIO_OPT_C_IO,
3307 .group = FIO_OPT_G_INVALID,
3308 },
214e1eca
JA		 3309 {
3310 .name = "lockmem",
e8b0e958 3311 .lname = "Lock memory",
214e1eca 3312 .type = FIO_OPT_STR_VAL,
a609f12a 3313 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3314 .help = "Lock down this amount of memory (per worker)",
214e1eca 3315 .def = "0",
20eb06bd 3316 .interval = 1024 * 1024,
e8b0e958
JA		 3317 .category = FIO_OPT_C_GENERAL,
3318 .group = FIO_OPT_G_INVALID,
214e1eca 3319 },
214e1eca
JA		 3320 {
3321 .name = "rwmixread",
e8b0e958 3322 .lname = "Read/write mix read",
214e1eca 3323 .type = FIO_OPT_INT,
cb499fc4 3324 .cb = str_rwmix_read_cb,
a609f12a 3325 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3326 .maxval = 100,
3327 .help = "Percentage of mixed workload that is reads",
3328 .def = "50",
20eb06bd 3329 .interval = 5,
90265353 3330 .inverse = "rwmixwrite",
e8b0e958
JA		 3331 .category = FIO_OPT_C_IO,
3332 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3333 },
3334 {
3335 .name = "rwmixwrite",
e8b0e958 3336 .lname = "Read/write mix write",
214e1eca 3337 .type = FIO_OPT_INT,
cb499fc4 3338 .cb = str_rwmix_write_cb,
a609f12a 3339 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3340 .maxval = 100,
3341 .help = "Percentage of mixed workload that is writes",
3342 .def = "50",
20eb06bd 3343 .interval = 5,
90265353 3344 .inverse = "rwmixread",
e8b0e958
JA		 3345 .category = FIO_OPT_C_IO,
3346 .group = FIO_OPT_G_RWMIX,
214e1eca 3347 },
afdf9352
JA		 3348 {
3349 .name = "rwmixcycle",
e8b0e958 3350 .lname = "Read/write mix cycle",
15ca150e 3351 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3352 .category = FIO_OPT_C_IO,
3353 .group = FIO_OPT_G_RWMIX,
afdf9352 3354 },
214e1eca
JA		 3355 {
3356 .name = "nice",
e8b0e958 3357 .lname = "Nice",
214e1eca 3358 .type = FIO_OPT_INT,
a609f12a 3359 .off1 = offsetof(struct thread_options, nice),
214e1eca 3360 .help = "Set job CPU nice value",
11fd6aa8
RC		 3361 .minval = -20,
3362 .maxval = 19,
214e1eca 3363 .def = "0",
20eb06bd 3364 .interval = 1,
e8b0e958 3365 .category = FIO_OPT_C_GENERAL,
10860056 3366 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3367 },
3368#ifdef FIO_HAVE_IOPRIO
3369 {
3370 .name = "prio",
e8b0e958 3371 .lname = "I/O nice priority",
214e1eca 3372 .type = FIO_OPT_INT,
a609f12a 3373 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3374 .help = "Set job IO priority value",
1767bd34
TK		 3375 .minval = IOPRIO_MIN_PRIO,
3376 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3377 .interval = 1,
e8b0e958 3378 .category = FIO_OPT_C_GENERAL,
10860056 3379 .group = FIO_OPT_G_CRED,
214e1eca 3380 },
32ef447a
TK		 3381#else
3382 {
3383 .name = "prio",
3384 .lname = "I/O nice priority",
3385 .type = FIO_OPT_UNSUPPORTED,
3386 .help = "Your platform does not support IO priorities",
3387 },
3388#endif
3389#ifdef FIO_HAVE_IOPRIO_CLASS
3390#ifndef FIO_HAVE_IOPRIO
3391#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3392#endif
214e1eca
JA		 3393 {
3394 .name = "prioclass",
e8b0e958 3395 .lname = "I/O nice priority class",
214e1eca 3396 .type = FIO_OPT_INT,
a609f12a 3397 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3398 .help = "Set job IO priority class",
1767bd34
TK		 3399 .minval = IOPRIO_MIN_PRIO_CLASS,
3400 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3401 .interval = 1,
e8b0e958 3402 .category = FIO_OPT_C_GENERAL,
10860056 3403 .group = FIO_OPT_G_CRED,
214e1eca 3404 },
a275c37a 3405#else
a275c37a
JA		 3406 {
3407 .name = "prioclass",
3408 .lname = "I/O nice priority class",
3409 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3410 .help = "Your platform does not support IO priority classes",
a275c37a 3411 },
214e1eca
JA		 3412#endif
3413 {
3414 .name = "thinktime",
e8b0e958 3415 .lname = "Thinktime",
214e1eca 3416 .type = FIO_OPT_INT,
a609f12a 3417 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3418 .help = "Idle time between IO buffers (usec)",
3419 .def = "0",
88038bc7 3420 .is_time = 1,
e8b0e958 3421 .category = FIO_OPT_C_IO,
3ceb458f 3422 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3423 },
3424 {
3425 .name = "thinktime_spin",
e8b0e958 3426 .lname = "Thinktime spin",
214e1eca 3427 .type = FIO_OPT_INT,
a609f12a 3428 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3429 .help = "Start think time by spinning this amount (usec)",
3430 .def = "0",
88038bc7 3431 .is_time = 1,
afdf9352 3432 .parent = "thinktime",
d71c154c 3433 .hide = 1,
e8b0e958 3434 .category = FIO_OPT_C_IO,
3ceb458f 3435 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3436 },
3437 {
3438 .name = "thinktime_blocks",
e8b0e958 3439 .lname = "Thinktime blocks",
214e1eca 3440 .type = FIO_OPT_INT,
a609f12a 3441 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3442 .help = "IO buffer period between 'thinktime'",
3443 .def = "1",
afdf9352 3444 .parent = "thinktime",
d71c154c 3445 .hide = 1,
e8b0e958 3446 .category = FIO_OPT_C_IO,
3ceb458f 3447 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3448 },
3449 {
3450 .name = "rate",
e8b0e958 3451 .lname = "I/O rate",
e01b22b8 3452 .type = FIO_OPT_INT,
a609f12a
JA		 3453 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3454 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3455 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3456 .help = "Set bandwidth rate",
e8b0e958
JA		 3457 .category = FIO_OPT_C_IO,
3458 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3459 },
3460 {
6d428bcd
JA		 3461 .name = "rate_min",
3462 .alias = "ratemin",
e8b0e958 3463 .lname = "I/O min rate",
e01b22b8 3464 .type = FIO_OPT_INT,
a609f12a
JA		 3465 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3466 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3467 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3468 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3469 .parent = "rate",
d71c154c 3470 .hide = 1,
e8b0e958
JA		 3471 .category = FIO_OPT_C_IO,
3472 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3473 },
3474 {
3475 .name = "rate_iops",
e8b0e958 3476 .lname = "I/O rate IOPS",
e01b22b8 3477 .type = FIO_OPT_INT,
a609f12a
JA		 3478 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3479 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3480 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3481 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3482 .hide = 1,
e8b0e958
JA		 3483 .category = FIO_OPT_C_IO,
3484 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3485 },
3486 {
3487 .name = "rate_iops_min",
e8b0e958 3488 .lname = "I/O min rate IOPS",
e01b22b8 3489 .type = FIO_OPT_INT,
a609f12a
JA		 3490 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3491 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3492 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3493 .help = "Job must meet this rate or it will be shut down",
afdf9352 3494 .parent = "rate_iops",
d71c154c 3495 .hide = 1,
e8b0e958
JA		 3496 .category = FIO_OPT_C_IO,
3497 .group = FIO_OPT_G_RATE,
214e1eca 3498 },
ff6bb260 3499 {
6de65959
JA		 3500 .name = "rate_process",
3501 .lname = "Rate Process",
3502 .type = FIO_OPT_STR,
a609f12a 3503 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3504 .help = "What process controls how rated IO is managed",
3505 .def = "linear",
ff6bb260
SL		 3506 .category = FIO_OPT_C_IO,
3507 .group = FIO_OPT_G_RATE,
6de65959
JA		 3508 .posval = {
3509 { .ival = "linear",
3510 .oval = RATE_PROCESS_LINEAR,
3511 .help = "Linear rate of IO",
3512 },
3513 {
3514 .ival = "poisson",
3515 .oval = RATE_PROCESS_POISSON,
3516 .help = "Rate follows Poisson process",
3517 },
3518 },
3519 .parent = "rate",
ff6bb260 3520 },
214e1eca 3521 {
6d428bcd
JA		 3522 .name = "rate_cycle",
3523 .alias = "ratecycle",
e8b0e958 3524 .lname = "I/O rate cycle",
214e1eca 3525 .type = FIO_OPT_INT,
a609f12a 3526 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3527 .help = "Window average for rate limits (msec)",
3528 .def = "1000",
afdf9352 3529 .parent = "rate",
d71c154c 3530 .hide = 1,
e8b0e958
JA		 3531 .category = FIO_OPT_C_IO,
3532 .group = FIO_OPT_G_RATE,
214e1eca 3533 },
1a9bf814
JA		 3534 {
3535 .name = "rate_ignore_thinktime",
3536 .lname = "Rate ignore thinktime",
3537 .type = FIO_OPT_BOOL,
3538 .off1 = offsetof(struct thread_options, rate_ign_think),
3539 .help = "Rated IO ignores thinktime settings",
3540 .parent = "rate",
3541 .category = FIO_OPT_C_IO,
3542 .group = FIO_OPT_G_RATE,
3543 },
15501535
JA		 3544 {
3545 .name = "max_latency",
dd97d866 3546 .lname = "Max Latency (usec)",
6c3fb04c 3547 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3548 .off1 = offsetof(struct thread_options, max_latency),
15501535 3549 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3550 .is_time = 1,
1e5324e7 3551 .category = FIO_OPT_C_IO,
3e260a46
JA		 3552 .group = FIO_OPT_G_LATPROF,
3553 },
3554 {
3555 .name = "latency_target",
3556 .lname = "Latency Target (usec)",
3557 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3558 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3559 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3560 .is_time = 1,
3e260a46
JA		 3561 .category = FIO_OPT_C_IO,
3562 .group = FIO_OPT_G_LATPROF,
3563 },
3564 {
3565 .name = "latency_window",
3566 .lname = "Latency Window (usec)",
3567 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3568 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3569 .help = "Time to sustain latency_target",
88038bc7 3570 .is_time = 1,
3e260a46
JA		 3571 .category = FIO_OPT_C_IO,
3572 .group = FIO_OPT_G_LATPROF,
3573 },
3574 {
3575 .name = "latency_percentile",
3576 .lname = "Latency Percentile",
3577 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3578 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3579 .help = "Percentile of IOs must be below latency_target",
3580 .def = "100",
3581 .maxlen = 1,
3582 .minfp = 0.0,
3583 .maxfp = 100.0,
3584 .category = FIO_OPT_C_IO,
3585 .group = FIO_OPT_G_LATPROF,
15501535 3586 },
214e1eca
JA		 3587 {
3588 .name = "invalidate",
e8b0e958 3589 .lname = "Cache invalidate",
214e1eca 3590 .type = FIO_OPT_BOOL,
a609f12a 3591 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3592 .help = "Invalidate buffer/page cache prior to running job",
3593 .def = "1",
e8b0e958 3594 .category = FIO_OPT_C_IO,
3ceb458f 3595 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3596 },
3597 {
3598 .name = "sync",
e8b0e958 3599 .lname = "Synchronous I/O",
214e1eca 3600 .type = FIO_OPT_BOOL,
a609f12a 3601 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3602 .help = "Use O_SYNC for buffered writes",
3603 .def = "0",
67a1000f 3604 .parent = "buffered",
d71c154c 3605 .hide = 1,
e8b0e958 3606 .category = FIO_OPT_C_IO,
3ceb458f 3607 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3608 },
ae8e559e
JA		 3609#ifdef FIO_HAVE_WRITE_HINT
3610 {
3611 .name = "write_hint",
3612 .lname = "Write hint",
3613 .type = FIO_OPT_STR,
3614 .off1 = offsetof(struct thread_options, write_hint),
3615 .help = "Set expected write life time",
3616 .category = FIO_OPT_C_ENGINE,
3617 .group = FIO_OPT_G_INVALID,
3618 .posval = {
3619 { .ival = "none",
3620 .oval = RWH_WRITE_LIFE_NONE,
3621 },
3622 { .ival = "short",
3623 .oval = RWH_WRITE_LIFE_SHORT,
3624 },
3625 { .ival = "medium",
3626 .oval = RWH_WRITE_LIFE_MEDIUM,
3627 },
3628 { .ival = "long",
3629 .oval = RWH_WRITE_LIFE_LONG,
3630 },
3631 { .ival = "extreme",
3632 .oval = RWH_WRITE_LIFE_EXTREME,
3633 },
3634 },
3635 },
3636#endif
214e1eca
JA		 3637 {
3638 .name = "create_serialize",
e8b0e958 3639 .lname = "Create serialize",
214e1eca 3640 .type = FIO_OPT_BOOL,
a609f12a 3641 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3642 .help = "Serialize creation of job files",
214e1eca 3643 .def = "1",
e8b0e958
JA		 3644 .category = FIO_OPT_C_FILE,
3645 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3646 },
3647 {
3648 .name = "create_fsync",
e8b0e958 3649 .lname = "Create fsync",
214e1eca 3650 .type = FIO_OPT_BOOL,
a609f12a 3651 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3652 .help = "fsync file after creation",
214e1eca 3653 .def = "1",
e8b0e958
JA		 3654 .category = FIO_OPT_C_FILE,
3655 .group = FIO_OPT_G_INVALID,
214e1eca 3656 },
814452bd
JA		 3657 {
3658 .name = "create_on_open",
e8b0e958 3659 .lname = "Create on open",
814452bd 3660 .type = FIO_OPT_BOOL,
a609f12a 3661 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3662 .help = "Create files when they are opened for IO",
3663 .def = "0",
e8b0e958
JA		 3664 .category = FIO_OPT_C_FILE,
3665 .group = FIO_OPT_G_INVALID,
814452bd 3666 },
25460cf6
JA		 3667 {
3668 .name = "create_only",
cce2fdfe 3669 .lname = "Create Only",
25460cf6 3670 .type = FIO_OPT_BOOL,
a609f12a 3671 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3672 .help = "Only perform file creation phase",
d17fda71 3673 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3674 .def = "0",
3675 },
2378826d
JA		 3676 {
3677 .name = "allow_file_create",
e81ecca3 3678 .lname = "Allow file create",
2378826d 3679 .type = FIO_OPT_BOOL,
a609f12a 3680 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3681 .help = "Permit fio to create files, if they don't exist",
3682 .def = "1",
3683 .category = FIO_OPT_C_FILE,
3684 .group = FIO_OPT_G_FILENAME,
3685 },
e81ecca3
JA		 3686 {
3687 .name = "allow_mounted_write",
3688 .lname = "Allow mounted write",
3689 .type = FIO_OPT_BOOL,
a609f12a 3690 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3691 .help = "Allow writes to a mounted partition",
3692 .def = "0",
3693 .category = FIO_OPT_C_FILE,
3694 .group = FIO_OPT_G_FILENAME,
3695 },
0b9d69ec 3696 {
afad68f7 3697 .name = "pre_read",
e8b0e958 3698 .lname = "Pre-read files",
afad68f7 3699 .type = FIO_OPT_BOOL,
a609f12a 3700 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3701 .help = "Pre-read files before starting official testing",
afad68f7 3702 .def = "0",
e8b0e958
JA		 3703 .category = FIO_OPT_C_FILE,
3704 .group = FIO_OPT_G_INVALID,
afad68f7 3705 },
214e1eca
JA		 3706#ifdef FIO_HAVE_CPU_AFFINITY
3707 {
3708 .name = "cpumask",
e8b0e958 3709 .lname = "CPU mask",
214e1eca
JA		 3710 .type = FIO_OPT_INT,
3711 .cb = str_cpumask_cb,
a609f12a 3712 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3713 .help = "CPU affinity mask",
e8b0e958 3714 .category = FIO_OPT_C_GENERAL,
10860056 3715 .group = FIO_OPT_G_CRED,
214e1eca 3716 },
d2e268b0
JA		 3717 {
3718 .name = "cpus_allowed",
e8b0e958 3719 .lname = "CPUs allowed",
d2e268b0
JA		 3720 .type = FIO_OPT_STR,
3721 .cb = str_cpus_allowed_cb,
a609f12a 3722 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3723 .help = "Set CPUs allowed",
e8b0e958 3724 .category = FIO_OPT_C_GENERAL,
10860056 3725 .group = FIO_OPT_G_CRED,
d2e268b0 3726 },
c2acfbac
JA		 3727 {
3728 .name = "cpus_allowed_policy",
3729 .lname = "CPUs allowed distribution policy",
3730 .type = FIO_OPT_STR,
a609f12a 3731 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3732 .help = "Distribution policy for cpus_allowed",
3733 .parent = "cpus_allowed",
3734 .prio = 1,
3735 .posval = {
3736 { .ival = "shared",
3737 .oval = FIO_CPUS_SHARED,
3738 .help = "Mask shared between threads",
3739 },
3740 { .ival = "split",
3741 .oval = FIO_CPUS_SPLIT,
3742 .help = "Mask split between threads",
3743 },
3744 },
3745 .category = FIO_OPT_C_GENERAL,
3746 .group = FIO_OPT_G_CRED,
3747 },
a275c37a
JA		 3748#else
3749 {
3750 .name = "cpumask",
3751 .lname = "CPU mask",
3752 .type = FIO_OPT_UNSUPPORTED,
3753 .help = "Your platform does not support CPU affinities",
3754 },
3755 {
3756 .name = "cpus_allowed",
3757 .lname = "CPUs allowed",
3758 .type = FIO_OPT_UNSUPPORTED,
3759 .help = "Your platform does not support CPU affinities",
3760 },
3761 {
3762 .name = "cpus_allowed_policy",
3763 .lname = "CPUs allowed distribution policy",
3764 .type = FIO_OPT_UNSUPPORTED,
3765 .help = "Your platform does not support CPU affinities",
3766 },
d0b937ed 3767#endif
67bf9823 3768#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3769 {
3770 .name = "numa_cpu_nodes",
cce2fdfe 3771 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3772 .type = FIO_OPT_STR,
3773 .cb = str_numa_cpunodes_cb,
a609f12a 3774 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3775 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3776 .category = FIO_OPT_C_GENERAL,
3777 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3778 },
3779 {
3780 .name = "numa_mem_policy",
cce2fdfe 3781 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3782 .type = FIO_OPT_STR,
3783 .cb = str_numa_mpol_cb,
a609f12a 3784 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3785 .help = "NUMA memory policy setup",
6be54b2d
JA		 3786 .category = FIO_OPT_C_GENERAL,
3787 .group = FIO_OPT_G_INVALID,
d0b937ed 3788 },
a275c37a
JA		 3789#else
3790 {
3791 .name = "numa_cpu_nodes",
3792 .lname = "NUMA CPU Nodes",
3793 .type = FIO_OPT_UNSUPPORTED,
3794 .help = "Build fio with libnuma-dev(el) to enable this option",
3795 },
3796 {
3797 .name = "numa_mem_policy",
3798 .lname = "NUMA Memory Policy",
3799 .type = FIO_OPT_UNSUPPORTED,
3800 .help = "Build fio with libnuma-dev(el) to enable this option",
3801 },
03553853
YR		 3802#endif
3803#ifdef CONFIG_CUDA
3804 {
3805 .name = "gpu_dev_id",
3806 .lname = "GPU device ID",
3807 .type = FIO_OPT_INT,
3808 .off1 = offsetof(struct thread_options, gpu_dev_id),
3809 .help = "Set GPU device ID for GPUDirect RDMA",
3810 .def = "0",
3811 .category = FIO_OPT_C_GENERAL,
3812 .group = FIO_OPT_G_INVALID,
3813 },
214e1eca
JA		 3814#endif
3815 {
3816 .name = "end_fsync",
e8b0e958 3817 .lname = "End fsync",
214e1eca 3818 .type = FIO_OPT_BOOL,
a609f12a 3819 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3820 .help = "Include fsync at the end of job",
3821 .def = "0",
e8b0e958
JA		 3822 .category = FIO_OPT_C_FILE,
3823 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3824 },
3825 {
3826 .name = "fsync_on_close",
e8b0e958 3827 .lname = "Fsync on close",
214e1eca 3828 .type = FIO_OPT_BOOL,
a609f12a 3829 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3830 .help = "fsync files on close",
3831 .def = "0",
e8b0e958
JA		 3832 .category = FIO_OPT_C_FILE,
3833 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3834 },
3835 {
3836 .name = "unlink",
e8b0e958 3837 .lname = "Unlink file",
214e1eca 3838 .type = FIO_OPT_BOOL,
a609f12a 3839 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3840 .help = "Unlink created files after job has completed",
3841 .def = "0",
e8b0e958
JA		 3842 .category = FIO_OPT_C_FILE,
3843 .group = FIO_OPT_G_INVALID,
214e1eca 3844 },
39c1c323 3845 {
3846 .name = "unlink_each_loop",
3847 .lname = "Unlink file after each loop of a job",
3848 .type = FIO_OPT_BOOL,
a609f12a 3849 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3850 .help = "Unlink created files after each loop in a job has completed",
3851 .def = "0",
3852 .category = FIO_OPT_C_FILE,
3853 .group = FIO_OPT_G_INVALID,
3854 },
214e1eca
JA		 3855 {
3856 .name = "exitall",
e8b0e958 3857 .lname = "Exit-all on terminate",
214e1eca
JA		 3858 .type = FIO_OPT_STR_SET,
3859 .cb = str_exitall_cb,
3860 .help = "Terminate all jobs when one exits",
e8b0e958 3861 .category = FIO_OPT_C_GENERAL,
a1f6afec 3862 .group = FIO_OPT_G_PROCESS,
214e1eca 3863 },
f9cafb12
JA		 3864 {
3865 .name = "exitall_on_error",
3866 .lname = "Exit-all on terminate in error",
78abcf9b 3867 .type = FIO_OPT_STR_SET,
a609f12a 3868 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3869 .help = "Terminate all jobs when one exits in error",
3870 .category = FIO_OPT_C_GENERAL,
3871 .group = FIO_OPT_G_PROCESS,
3872 },
214e1eca
JA		 3873 {
3874 .name = "stonewall",
e8b0e958 3875 .lname = "Wait for previous",
d392365e 3876 .alias = "wait_for_previous",
214e1eca 3877 .type = FIO_OPT_STR_SET,
a609f12a 3878 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3879 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3880 .category = FIO_OPT_C_GENERAL,
a1f6afec 3881 .group = FIO_OPT_G_PROCESS,
214e1eca 3882 },
b3d62a75
JA		 3883 {
3884 .name = "new_group",
e8b0e958 3885 .lname = "New group",
b3d62a75 3886 .type = FIO_OPT_STR_SET,
a609f12a 3887 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3888 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3889 .category = FIO_OPT_C_GENERAL,
a1f6afec 3890 .group = FIO_OPT_G_PROCESS,
b3d62a75 3891 },
214e1eca
JA		 3892 {
3893 .name = "thread",
e8b0e958 3894 .lname = "Thread",
214e1eca 3895 .type = FIO_OPT_STR_SET,
a609f12a 3896 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3897 .help = "Use threads instead of processes",
c8931876
JA		 3898#ifdef CONFIG_NO_SHM
3899 .def = "1",
3900 .no_warn_def = 1,
3901#endif
e8b0e958 3902 .category = FIO_OPT_C_GENERAL,
a1f6afec 3903 .group = FIO_OPT_G_PROCESS,
214e1eca 3904 },
3a5db920
JA		 3905 {
3906 .name = "per_job_logs",
cce2fdfe 3907 .lname = "Per Job Logs",
3a5db920 3908 .type = FIO_OPT_BOOL,
a609f12a 3909 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3910 .help = "Include job number in generated log files or not",
3911 .def = "1",
3912 .category = FIO_OPT_C_LOG,
3913 .group = FIO_OPT_G_INVALID,
3914 },
214e1eca
JA		 3915 {
3916 .name = "write_bw_log",
e8b0e958 3917 .lname = "Write bandwidth log",
dded427c 3918 .type = FIO_OPT_STR,
a609f12a 3919 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3920 .cb = str_write_bw_log_cb,
214e1eca 3921 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3922 .category = FIO_OPT_C_LOG,
3923 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3924 },
3925 {
3926 .name = "write_lat_log",
e8b0e958 3927 .lname = "Write latency log",
dded427c 3928 .type = FIO_OPT_STR,
a609f12a 3929 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3930 .cb = str_write_lat_log_cb,
214e1eca 3931 .help = "Write log of latency during run",
e8b0e958
JA		 3932 .category = FIO_OPT_C_LOG,
3933 .group = FIO_OPT_G_INVALID,
214e1eca 3934 },
c8eeb9df
JA		 3935 {
3936 .name = "write_iops_log",
e8b0e958 3937 .lname = "Write IOPS log",
dded427c 3938 .type = FIO_OPT_STR,
a609f12a 3939 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3940 .cb = str_write_iops_log_cb,
c8eeb9df 3941 .help = "Write log of IOPS during run",
e8b0e958
JA		 3942 .category = FIO_OPT_C_LOG,
3943 .group = FIO_OPT_G_INVALID,
c8eeb9df 3944 },
b8bc8cba
JA		 3945 {
3946 .name = "log_avg_msec",
e8b0e958 3947 .lname = "Log averaging (msec)",
b8bc8cba 3948 .type = FIO_OPT_INT,
a609f12a 3949 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3950 .help = "Average bw/iops/lat logs over this period of time",
3951 .def = "0",
e8b0e958 3952 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3953 .group = FIO_OPT_G_INVALID,
3954 },
3955 {
3956 .name = "log_hist_msec",
3957 .lname = "Log histograms (msec)",
3958 .type = FIO_OPT_INT,
a609f12a 3959 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3960 .help = "Dump completion latency histograms at frequency of this time value",
3961 .def = "0",
3962 .category = FIO_OPT_C_LOG,
3963 .group = FIO_OPT_G_INVALID,
3964 },
3965 {
3966 .name = "log_hist_coarseness",
3967 .lname = "Histogram logs coarseness",
3968 .type = FIO_OPT_INT,
a609f12a 3969 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3970 .help = "Integer in range [0,6]. Higher coarseness outputs"
3971 " fewer histogram bins per sample. The number of bins for"
3972 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3973 .def = "0",
3974 .category = FIO_OPT_C_LOG,
3975 .group = FIO_OPT_G_INVALID,
3976 },
3977 {
3978 .name = "write_hist_log",
3979 .lname = "Write latency histogram logs",
dded427c 3980 .type = FIO_OPT_STR,
a609f12a 3981 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3982 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3983 .help = "Write log of latency histograms during run",
3984 .category = FIO_OPT_C_LOG,
e8b0e958 3985 .group = FIO_OPT_G_INVALID,
b8bc8cba 3986 },
e6989e10
JA		 3987 {
3988 .name = "log_max_value",
3989 .lname = "Log maximum instead of average",
3990 .type = FIO_OPT_BOOL,
a609f12a 3991 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3992 .help = "Log max sample in a window instead of average",
3993 .def = "0",
3994 .category = FIO_OPT_C_LOG,
3995 .group = FIO_OPT_G_INVALID,
3996 },
ae588852
JA		 3997 {
3998 .name = "log_offset",
3999 .lname = "Log offset of IO",
4000 .type = FIO_OPT_BOOL,
a609f12a 4001 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 4002 .help = "Include offset of IO for each log entry",
4003 .def = "0",
4004 .category = FIO_OPT_C_LOG,
4005 .group = FIO_OPT_G_INVALID,
4006 },
aee2ab67
JA		 4007#ifdef CONFIG_ZLIB
4008 {
4009 .name = "log_compression",
4010 .lname = "Log compression",
4011 .type = FIO_OPT_INT,
a609f12a 4012 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 4013 .help = "Log in compressed chunks of this size",
9919b27b 4014 .minval = 1024ULL,
aee2ab67
JA		 4015 .maxval = 512 * 1024 * 1024ULL,
4016 .category = FIO_OPT_C_LOG,
4017 .group = FIO_OPT_G_INVALID,
4018 },
c08f9fe2
JA		 4019#ifdef FIO_HAVE_CPU_AFFINITY
4020 {
4021 .name = "log_compression_cpus",
4022 .lname = "Log Compression CPUs",
4023 .type = FIO_OPT_STR,
4024 .cb = str_log_cpus_allowed_cb,
a609f12a 4025 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 4026 .parent = "log_compression",
4027 .help = "Limit log compression to these CPUs",
4028 .category = FIO_OPT_C_LOG,
4029 .group = FIO_OPT_G_INVALID,
4030 },
a275c37a
JA		 4031#else
4032 {
4033 .name = "log_compression_cpus",
4034 .lname = "Log Compression CPUs",
4035 .type = FIO_OPT_UNSUPPORTED,
4036 .help = "Your platform does not support CPU affinities",
4037 },
c08f9fe2 4038#endif
b26317c9
JA		 4039 {
4040 .name = "log_store_compressed",
4041 .lname = "Log store compressed",
4042 .type = FIO_OPT_BOOL,
a609f12a 4043 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 4044 .help = "Store logs in a compressed format",
4045 .category = FIO_OPT_C_LOG,
4046 .group = FIO_OPT_G_INVALID,
4047 },
a275c37a
JA		 4048#else
4049 {
4050 .name = "log_compression",
4051 .lname = "Log compression",
4052 .type = FIO_OPT_UNSUPPORTED,
4053 .help = "Install libz-dev(el) to get compression support",
4054 },
4055 {
4056 .name = "log_store_compressed",
4057 .lname = "Log store compressed",
4058 .type = FIO_OPT_UNSUPPORTED,
4059 .help = "Install libz-dev(el) to get compression support",
4060 },
aee2ab67 4061#endif
3aea75b1
KC		 4062 {
4063 .name = "log_unix_epoch",
4064 .lname = "Log epoch unix",
4065 .type = FIO_OPT_BOOL,
4066 .off1 = offsetof(struct thread_options, log_unix_epoch),
4067 .help = "Use Unix time in log files",
4068 .category = FIO_OPT_C_LOG,
4069 .group = FIO_OPT_G_INVALID,
4070 },
66347cfa
DE		 4071 {
4072 .name = "block_error_percentiles",
4073 .lname = "Block error percentiles",
4074 .type = FIO_OPT_BOOL,
a609f12a 4075 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 4076 .help = "Record trim block errors and make a histogram",
4077 .def = "0",
4078 .category = FIO_OPT_C_LOG,
4079 .group = FIO_OPT_G_INVALID,
4080 },
c504ee55
JA		 4081 {
4082 .name = "bwavgtime",
4083 .lname = "Bandwidth average time",
4084 .type = FIO_OPT_INT,
a609f12a 4085 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 4086 .help = "Time window over which to calculate bandwidth"
4087 " (msec)",
4088 .def = "500",
4089 .parent = "write_bw_log",
4090 .hide = 1,
4091 .interval = 100,
4092 .category = FIO_OPT_C_LOG,
4093 .group = FIO_OPT_G_INVALID,
4094 },
4095 {
4096 .name = "iopsavgtime",
4097 .lname = "IOPS average time",
4098 .type = FIO_OPT_INT,
a609f12a 4099 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 4100 .help = "Time window over which to calculate IOPS (msec)",
4101 .def = "500",
4102 .parent = "write_iops_log",
4103 .hide = 1,
4104 .interval = 100,
4105 .category = FIO_OPT_C_LOG,
4106 .group = FIO_OPT_G_INVALID,
4107 },
214e1eca
JA		 4108 {
4109 .name = "group_reporting",
e8b0e958 4110 .lname = "Group reporting",
d2507043 4111 .type = FIO_OPT_STR_SET,
a609f12a 4112 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 4113 .help = "Do reporting on a per-group basis",
10860056 4114 .category = FIO_OPT_C_STAT,
e8b0e958 4115 .group = FIO_OPT_G_INVALID,
214e1eca 4116 },
8243be59
JA		 4117 {
4118 .name = "stats",
4119 .lname = "Stats",
4120 .type = FIO_OPT_BOOL,
4121 .off1 = offsetof(struct thread_options, stats),
4122 .help = "Enable collection of stats",
4123 .def = "1",
4124 .category = FIO_OPT_C_STAT,
4125 .group = FIO_OPT_G_INVALID,
4126 },
e9459e5a
JA		 4127 {
4128 .name = "zero_buffers",
e8b0e958 4129 .lname = "Zero I/O buffers",
e9459e5a 4130 .type = FIO_OPT_STR_SET,
a609f12a 4131 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4132 .help = "Init IO buffers to all zeroes",
e8b0e958 4133 .category = FIO_OPT_C_IO,
3ceb458f 4134 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4135 },
5973cafb
JA		 4136 {
4137 .name = "refill_buffers",
e8b0e958 4138 .lname = "Refill I/O buffers",
5973cafb 4139 .type = FIO_OPT_STR_SET,
a609f12a 4140 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4141 .help = "Refill IO buffers on every IO submit",
e8b0e958 4142 .category = FIO_OPT_C_IO,
3ceb458f 4143 .group = FIO_OPT_G_IO_BUF,
5973cafb 4144 },
fd68418e
JA		 4145 {
4146 .name = "scramble_buffers",
e8b0e958 4147 .lname = "Scramble I/O buffers",
fd68418e 4148 .type = FIO_OPT_BOOL,
a609f12a 4149 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4150 .help = "Slightly scramble buffers on every IO submit",
4151 .def = "1",
e8b0e958 4152 .category = FIO_OPT_C_IO,
3ceb458f 4153 .group = FIO_OPT_G_IO_BUF,
fd68418e 4154 },
ce35b1ec
JA		 4155 {
4156 .name = "buffer_pattern",
4157 .lname = "Buffer pattern",
4158 .type = FIO_OPT_STR,
4159 .cb = str_buffer_pattern_cb,
a609f12a 4160 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4161 .help = "Fill pattern for IO buffers",
4162 .category = FIO_OPT_C_IO,
4163 .group = FIO_OPT_G_IO_BUF,
4164 },
9c42684e
JA		 4165 {
4166 .name = "buffer_compress_percentage",
e8b0e958 4167 .lname = "Buffer compression percentage",
9c42684e 4168 .type = FIO_OPT_INT,
bedc9dc2 4169 .cb = str_buffer_compress_cb,
a609f12a 4170 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4171 .maxval = 100,
e7f5de90 4172 .minval = 0,
9c42684e 4173 .help = "How compressible the buffer is (approximately)",
20eb06bd 4174 .interval = 5,
e8b0e958 4175 .category = FIO_OPT_C_IO,
3ceb458f 4176 .group = FIO_OPT_G_IO_BUF,
9c42684e 4177 },
f97a43a1
JA		 4178 {
4179 .name = "buffer_compress_chunk",
e8b0e958 4180 .lname = "Buffer compression chunk size",
f97a43a1 4181 .type = FIO_OPT_INT,
a609f12a 4182 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4183 .parent = "buffer_compress_percentage",
d71c154c 4184 .hide = 1,
f97a43a1 4185 .help = "Size of compressible region in buffer",
1de80624 4186 .def = "512",
20eb06bd 4187 .interval = 256,
e8b0e958 4188 .category = FIO_OPT_C_IO,
3ceb458f 4189 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4190 },
5c94b008
JA		 4191 {
4192 .name = "dedupe_percentage",
4193 .lname = "Dedupe percentage",
4194 .type = FIO_OPT_INT,
4195 .cb = str_dedupe_cb,
a609f12a 4196 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4197 .maxval = 100,
4198 .minval = 0,
4199 .help = "Percentage of buffers that are dedupable",
4200 .interval = 1,
4201 .category = FIO_OPT_C_IO,
4202 .group = FIO_OPT_G_IO_BUF,
4203 },
83349190
YH		 4204 {
4205 .name = "clat_percentiles",
e8b0e958 4206 .lname = "Completion latency percentiles",
83349190 4207 .type = FIO_OPT_BOOL,
a609f12a 4208 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4209 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4210 .def = "1",
b599759b
JA		 4211 .inverse = "lat_percentiles",
4212 .category = FIO_OPT_C_STAT,
4213 .group = FIO_OPT_G_INVALID,
4214 },
4215 {
4216 .name = "lat_percentiles",
4217 .lname = "IO latency percentiles",
4218 .type = FIO_OPT_BOOL,
4219 .off1 = offsetof(struct thread_options, lat_percentiles),
4220 .help = "Enable the reporting of IO latency percentiles",
4221 .def = "0",
4222 .inverse = "clat_percentiles",
e8b0e958
JA		 4223 .category = FIO_OPT_C_STAT,
4224 .group = FIO_OPT_G_INVALID,
83349190
YH		 4225 },
4226 {
4227 .name = "percentile_list",
66347cfa 4228 .lname = "Percentile list",
83349190 4229 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4230 .off1 = offsetof(struct thread_options, percentile_list),
4231 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4232 .help = "Specify a custom list of percentiles to report for "
4233 "completion latency and block errors",
fd112d34 4234 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4235 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4236 .minfp = 0.0,
4237 .maxfp = 100.0,
e8b0e958
JA		 4238 .category = FIO_OPT_C_STAT,
4239 .group = FIO_OPT_G_INVALID,
e883cb35
JF		 4240 },
4241 {
4242 .name = "significant_figures",
4243 .lname = "Significant figures",
4244 .type = FIO_OPT_INT,
4245 .off1 = offsetof(struct thread_options, sig_figs),
4246 .maxval = 10,
4247 .minval = 1,
4248 .help = "Significant figures for output-format set to normal",
4249 .def = "4",
4250 .interval = 1,
4251 .category = FIO_OPT_C_STAT,
4252 .group = FIO_OPT_G_INVALID,
83349190
YH		 4253 },
4254
0a839f30
JA		 4255#ifdef FIO_HAVE_DISK_UTIL
4256 {
4257 .name = "disk_util",
e8b0e958 4258 .lname = "Disk utilization",
0a839f30 4259 .type = FIO_OPT_BOOL,
a609f12a 4260 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4261 .help = "Log disk utilization statistics",
0a839f30 4262 .def = "1",
e8b0e958
JA		 4263 .category = FIO_OPT_C_STAT,
4264 .group = FIO_OPT_G_INVALID,
0a839f30 4265 },
a275c37a
JA		 4266#else
4267 {
4268 .name = "disk_util",
4269 .lname = "Disk utilization",
4270 .type = FIO_OPT_UNSUPPORTED,
4271 .help = "Your platform does not support disk utilization",
4272 },
0a839f30 4273#endif
993bf48b
JA		 4274 {
4275 .name = "gtod_reduce",
e8b0e958 4276 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4277 .type = FIO_OPT_BOOL,
4278 .help = "Greatly reduce number of gettimeofday() calls",
4279 .cb = str_gtod_reduce_cb,
4280 .def = "0",
a4ed77fe 4281 .hide_on_set = 1,
e8b0e958
JA		 4282 .category = FIO_OPT_C_STAT,
4283 .group = FIO_OPT_G_INVALID,
993bf48b 4284 },
02af0988
JA		 4285 {
4286 .name = "disable_lat",
e8b0e958 4287 .lname = "Disable all latency stats",
02af0988 4288 .type = FIO_OPT_BOOL,
a609f12a 4289 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4290 .help = "Disable latency numbers",
4291 .parent = "gtod_reduce",
d71c154c 4292 .hide = 1,
02af0988 4293 .def = "0",
e8b0e958
JA		 4294 .category = FIO_OPT_C_STAT,
4295 .group = FIO_OPT_G_INVALID,
02af0988 4296 },
9520ebb9
JA		 4297 {
4298 .name = "disable_clat",
e8b0e958 4299 .lname = "Disable completion latency stats",
9520ebb9 4300 .type = FIO_OPT_BOOL,
a609f12a 4301 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4302 .help = "Disable completion latency numbers",
993bf48b 4303 .parent = "gtod_reduce",
d71c154c 4304 .hide = 1,
9520ebb9 4305 .def = "0",
e8b0e958
JA		 4306 .category = FIO_OPT_C_STAT,
4307 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4308 },
4309 {
4310 .name = "disable_slat",
e8b0e958 4311 .lname = "Disable submission latency stats",
9520ebb9 4312 .type = FIO_OPT_BOOL,
a609f12a 4313 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4314 .help = "Disable submission latency numbers",
993bf48b 4315 .parent = "gtod_reduce",
d71c154c 4316 .hide = 1,
9520ebb9 4317 .def = "0",
e8b0e958
JA		 4318 .category = FIO_OPT_C_STAT,
4319 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4320 },
4321 {
4322 .name = "disable_bw_measurement",
afd2ceff 4323 .alias = "disable_bw",
e8b0e958 4324 .lname = "Disable bandwidth stats",
9520ebb9 4325 .type = FIO_OPT_BOOL,
a609f12a 4326 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4327 .help = "Disable bandwidth logging",
993bf48b 4328 .parent = "gtod_reduce",
d71c154c 4329 .hide = 1,
9520ebb9 4330 .def = "0",
e8b0e958
JA		 4331 .category = FIO_OPT_C_STAT,
4332 .group = FIO_OPT_G_INVALID,
9520ebb9 4333 },
be4ecfdf
JA		 4334 {
4335 .name = "gtod_cpu",
e8b0e958 4336 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4337 .type = FIO_OPT_INT,
a609f12a 4338 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4339 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4340 .verify = gtod_cpu_verify,
e8b0e958 4341 .category = FIO_OPT_C_GENERAL,
10860056 4342 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4343 },
771e58be
JA		 4344 {
4345 .name = "unified_rw_reporting",
cce2fdfe 4346 .lname = "Unified RW Reporting",
771e58be 4347 .type = FIO_OPT_BOOL,
a609f12a 4348 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4349 .help = "Unify reporting across data direction",
4350 .def = "0",
90b7a96d
JA		 4351 .category = FIO_OPT_C_GENERAL,
4352 .group = FIO_OPT_G_INVALID,
771e58be 4353 },
f2bba182
RR		 4354 {
4355 .name = "continue_on_error",
e8b0e958 4356 .lname = "Continue on error",
06842027 4357 .type = FIO_OPT_STR,
a609f12a 4358 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4359 .help = "Continue on non-fatal errors during IO",
06842027 4360 .def = "none",
e8b0e958 4361 .category = FIO_OPT_C_GENERAL,
bc3f552f 4362 .group = FIO_OPT_G_ERR,
06842027
SL		 4363 .posval = {
4364 { .ival = "none",
4365 .oval = ERROR_TYPE_NONE,
4366 .help = "Exit when an error is encountered",
4367 },
4368 { .ival = "read",
4369 .oval = ERROR_TYPE_READ,
4370 .help = "Continue on read errors only",
4371 },
4372 { .ival = "write",
4373 .oval = ERROR_TYPE_WRITE,
4374 .help = "Continue on write errors only",
4375 },
4376 { .ival = "io",
4377 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4378 .help = "Continue on any IO errors",
4379 },
4380 { .ival = "verify",
4381 .oval = ERROR_TYPE_VERIFY,
4382 .help = "Continue on verify errors only",
4383 },
4384 { .ival = "all",
4385 .oval = ERROR_TYPE_ANY,
4386 .help = "Continue on all io and verify errors",
4387 },
4388 { .ival = "0",
4389 .oval = ERROR_TYPE_NONE,
4390 .help = "Alias for 'none'",
4391 },
4392 { .ival = "1",
4393 .oval = ERROR_TYPE_ANY,
4394 .help = "Alias for 'all'",
4395 },
4396 },
f2bba182 4397 },
8b28bd41
DM		 4398 {
4399 .name = "ignore_error",
cce2fdfe 4400 .lname = "Ignore Error",
8b28bd41
DM		 4401 .type = FIO_OPT_STR,
4402 .cb = str_ignore_error_cb,
a609f12a 4403 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4404 .help = "Set a specific list of errors to ignore",
4405 .parent = "rw",
a94eb99a 4406 .category = FIO_OPT_C_GENERAL,
bc3f552f 4407 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4408 },
4409 {
4410 .name = "error_dump",
cce2fdfe 4411 .lname = "Error Dump",
8b28bd41 4412 .type = FIO_OPT_BOOL,
a609f12a 4413 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4414 .def = "0",
4415 .help = "Dump info on each error",
a94eb99a 4416 .category = FIO_OPT_C_GENERAL,
bc3f552f 4417 .group = FIO_OPT_G_ERR,
8b28bd41 4418 },
9ac8a797
JA		 4419 {
4420 .name = "profile",
e8b0e958 4421 .lname = "Profile",
79d16311 4422 .type = FIO_OPT_STR_STORE,
a609f12a 4423 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4424 .help = "Select a specific builtin performance test",
13fca827 4425 .category = FIO_OPT_C_PROFILE,
e8b0e958 4426 .group = FIO_OPT_G_INVALID,
9ac8a797 4427 },
a696fa2a
JA		 4428 {
4429 .name = "cgroup",
e8b0e958 4430 .lname = "Cgroup",
a696fa2a 4431 .type = FIO_OPT_STR_STORE,
a609f12a 4432 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4433 .help = "Add job to cgroup of this name",
e8b0e958 4434 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4435 .group = FIO_OPT_G_CGROUP,
4436 },
4437 {
4438 .name = "cgroup_nodelete",
4439 .lname = "Cgroup no-delete",
4440 .type = FIO_OPT_BOOL,
a609f12a 4441 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4442 .help = "Do not delete cgroups after job completion",
4443 .def = "0",
4444 .parent = "cgroup",
4445 .category = FIO_OPT_C_GENERAL,
4446 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4447 },
4448 {
4449 .name = "cgroup_weight",
e8b0e958 4450 .lname = "Cgroup weight",
a696fa2a 4451 .type = FIO_OPT_INT,
a609f12a 4452 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4453 .help = "Use given weight for cgroup",
4454 .minval = 100,
4455 .maxval = 1000,
a1f6afec 4456 .parent = "cgroup",
e8b0e958 4457 .category = FIO_OPT_C_GENERAL,
a1f6afec 4458 .group = FIO_OPT_G_CGROUP,
7de87099 4459 },
e0b0d892
JA		 4460 {
4461 .name = "uid",
e8b0e958 4462 .lname = "User ID",
e0b0d892 4463 .type = FIO_OPT_INT,
a609f12a 4464 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4465 .help = "Run job with this user ID",
e8b0e958 4466 .category = FIO_OPT_C_GENERAL,
10860056 4467 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4468 },
4469 {
4470 .name = "gid",
e8b0e958 4471 .lname = "Group ID",
e0b0d892 4472 .type = FIO_OPT_INT,
a609f12a 4473 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4474 .help = "Run job with this group ID",
e8b0e958 4475 .category = FIO_OPT_C_GENERAL,
10860056 4476 .group = FIO_OPT_G_CRED,
e0b0d892 4477 },
a1f6afec
JA		 4478 {
4479 .name = "kb_base",
4480 .lname = "KB Base",
4481 .type = FIO_OPT_INT,
a609f12a 4482 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4483 .prio = 1,
4484 .def = "1024",
ba9c7219
JA		 4485 .posval = {
4486 { .ival = "1024",
4487 .oval = 1024,
d694a6a7 4488 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4489 },
4490 { .ival = "1000",
4491 .oval = 1000,
d694a6a7 4492 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4493 },
4494 },
d694a6a7 4495 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4496 .category = FIO_OPT_C_GENERAL,
4497 .group = FIO_OPT_G_INVALID,
4498 },
cf3a0518
JA		 4499 {
4500 .name = "unit_base",
d694a6a7 4501 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4502 .type = FIO_OPT_INT,
a609f12a 4503 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4504 .prio = 1,
71a08258
JA		 4505 .posval = {
4506 { .ival = "0",
41a87019 4507 .oval = N2S_NONE,
71a08258
JA		 4508 .help = "Auto-detect",
4509 },
4510 { .ival = "8",
41a87019 4511 .oval = N2S_BYTEPERSEC,
71a08258
JA		 4512 .help = "Normal (byte based)",
4513 },
4514 { .ival = "1",
41a87019 4515 .oval = N2S_BITPERSEC,
71a08258
JA		 4516 .help = "Bit based",
4517 },
4518 },
cf3a0518
JA		 4519 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4520 .category = FIO_OPT_C_GENERAL,
4521 .group = FIO_OPT_G_INVALID,
4522 },
3ceb458f
JA		 4523 {
4524 .name = "hugepage-size",
4525 .lname = "Hugepage size",
4526 .type = FIO_OPT_INT,
a609f12a 4527 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4528 .help = "When using hugepages, specify size of each page",
4529 .def = __fio_stringify(FIO_HUGE_PAGE),
4530 .interval = 1024 * 1024,
4531 .category = FIO_OPT_C_GENERAL,
4532 .group = FIO_OPT_G_INVALID,
4533 },
9e684a49
DE		 4534 {
4535 .name = "flow_id",
e8b0e958 4536 .lname = "I/O flow ID",
9e684a49 4537 .type = FIO_OPT_INT,
a609f12a 4538 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4539 .help = "The flow index ID to use",
4540 .def = "0",
e8b0e958
JA		 4541 .category = FIO_OPT_C_IO,
4542 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4543 },
4544 {
4545 .name = "flow",
e8b0e958 4546 .lname = "I/O flow weight",
9e684a49 4547 .type = FIO_OPT_INT,
a609f12a 4548 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4549 .help = "Weight for flow control of this job",
4550 .parent = "flow_id",
d71c154c 4551 .hide = 1,
9e684a49 4552 .def = "0",
e8b0e958
JA		 4553 .category = FIO_OPT_C_IO,
4554 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4555 },
4556 {
4557 .name = "flow_watermark",
e8b0e958 4558 .lname = "I/O flow watermark",
9e684a49 4559 .type = FIO_OPT_INT,
a609f12a 4560 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4561 .help = "High watermark for flow control. This option"
4562 " should be set to the same value for all threads"
4563 " with non-zero flow.",
4564 .parent = "flow_id",
d71c154c 4565 .hide = 1,
9e684a49 4566 .def = "1024",
e8b0e958
JA		 4567 .category = FIO_OPT_C_IO,
4568 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4569 },
4570 {
4571 .name = "flow_sleep",
e8b0e958 4572 .lname = "I/O flow sleep",
9e684a49 4573 .type = FIO_OPT_INT,
a609f12a 4574 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4575 .help = "How many microseconds to sleep after being held"
4576 " back by the flow control mechanism",
4577 .parent = "flow_id",
d71c154c 4578 .hide = 1,
9e684a49 4579 .def = "0",
e8b0e958
JA		 4580 .category = FIO_OPT_C_IO,
4581 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4582 },
16e56d25
VF		 4583 {
4584 .name = "steadystate",
4585 .lname = "Steady state threshold",
4586 .alias = "ss",
4587 .type = FIO_OPT_STR,
2c5d94bc 4588 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4589 .cb = str_steadystate_cb,
4590 .help = "Define the criterion and limit to judge when a job has reached steady state",
4591 .def = "iops_slope:0.01%",
4592 .posval = {
4593 { .ival = "iops",
f0c50c66 4594 .oval = FIO_SS_IOPS,
16e56d25
VF		 4595 .help = "maximum mean deviation of IOPS measurements",
4596 },
4597 { .ival = "iops_slope",
f0c50c66 4598 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4599 .help = "slope calculated from IOPS measurements",
4600 },
4601 { .ival = "bw",
f0c50c66 4602 .oval = FIO_SS_BW,
16e56d25
VF		 4603 .help = "maximum mean deviation of bandwidth measurements",
4604 },
4605 {
4606 .ival = "bw_slope",
f0c50c66 4607 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4608 .help = "slope calculated from bandwidth measurements",
4609 },
4610 },
4611 .category = FIO_OPT_C_GENERAL,
4612 .group = FIO_OPT_G_RUNTIME,
4613 },
4614 {
4615 .name = "steadystate_duration",
4616 .lname = "Steady state duration",
4617 .alias = "ss_dur",
915ca980 4618 .parent = "steadystate",
16e56d25
VF		 4619 .type = FIO_OPT_STR_VAL_TIME,
4620 .off1 = offsetof(struct thread_options, ss_dur),
4621 .help = "Stop workload upon attaining steady state for specified duration",
4622 .def = "0",
4623 .is_seconds = 1,
4624 .is_time = 1,
4625 .category = FIO_OPT_C_GENERAL,
4626 .group = FIO_OPT_G_RUNTIME,
4627 },
4628 {
4629 .name = "steadystate_ramp_time",
4630 .lname = "Steady state ramp time",
4631 .alias = "ss_ramp",
915ca980 4632 .parent = "steadystate",
16e56d25
VF		 4633 .type = FIO_OPT_STR_VAL_TIME,
4634 .off1 = offsetof(struct thread_options, ss_ramp_time),
4635 .help = "Delay before initiation of data collection for steady state job termination testing",
4636 .def = "0",
4637 .is_seconds = 1,
4638 .is_time = 1,
4639 .category = FIO_OPT_C_GENERAL,
4640 .group = FIO_OPT_G_RUNTIME,
4641 },
214e1eca
JA		 4642 {
4643 .name = NULL,
4644 },
4645};
4646
17af15d4 4647static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4648 const char *name, int val)
9f81736c 4649{
17af15d4 4650 lopt->name = (char *) name;
de890a1e 4651 lopt->val = val;
9f81736c 4652 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4653 lopt->has_arg = optional_argument;
9f81736c
JA		 4654 else
4655 lopt->has_arg = required_argument;
4656}
4657
de890a1e
SL		 4658static void options_to_lopts(struct fio_option *opts,
4659 struct option *long_options,
4660 int i, int option_type)
214e1eca 4661{
de890a1e 4662 struct fio_option *o = &opts[0];
214e1eca 4663 while (o->name) {
de890a1e 4664 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4665 if (o->alias) {
4666 i++;
de890a1e 4667 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4668 }
214e1eca
JA		 4669
4670 i++;
4671 o++;
4672 assert(i < FIO_NR_OPTIONS);
4673 }
4674}
4675
de890a1e
SL		 4676void fio_options_set_ioengine_opts(struct option *long_options,
4677 struct thread_data *td)
4678{
4679 unsigned int i;
4680
4681 i = 0;
4682 while (long_options[i].name) {
4683 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4684 memset(&long_options[i], 0, sizeof(*long_options));
4685 break;
4686 }
4687 i++;
4688 }
4689
4690 /*
4691 * Just clear out the prior ioengine options.
4692 */
4693 if (!td || !td->eo)
4694 return;
4695
4696 options_to_lopts(td->io_ops->options, long_options, i,
4697 FIO_GETOPT_IOENGINE);
4698}
4699
4700void fio_options_dup_and_init(struct option *long_options)
4701{
4702 unsigned int i;
4703
9af4a244 4704 options_init(fio_options);
de890a1e
SL		 4705
4706 i = 0;
4707 while (long_options[i].name)
4708 i++;
4709
9af4a244 4710 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4711}
4712
74929ac2
JA		 4713struct fio_keyword {
4714 const char *word;
4715 const char *desc;
4716 char *replace;
4717};
4718
4719static struct fio_keyword fio_keywords[] = {
4720 {
4721 .word = "$pagesize",
4722 .desc = "Page size in the system",
4723 },
4724 {
4725 .word = "$mb_memory",
4726 .desc = "Megabytes of memory online",
4727 },
4728 {
4729 .word = "$ncpus",
4730 .desc = "Number of CPUs online in the system",
4731 },
4732 {
4733 .word = NULL,
4734 },
4735};
4736
af1dc266
JA		 4737void fio_keywords_exit(void)
4738{
4739 struct fio_keyword *kw;
4740
4741 kw = &fio_keywords[0];
4742 while (kw->word) {
4743 free(kw->replace);
4744 kw->replace = NULL;
4745 kw++;
4746 }
4747}
4748
74929ac2
JA		 4749void fio_keywords_init(void)
4750{
3b2e1464 4751 unsigned long long mb_memory;
74929ac2
JA		 4752 char buf[128];
4753 long l;
4754
a4cfc477 4755 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4756 fio_keywords[0].replace = strdup(buf);
4757
8eb016d3 4758 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4759 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4760 fio_keywords[1].replace = strdup(buf);
4761
c00a2289 4762 l = cpus_online();
74929ac2
JA		 4763 sprintf(buf, "%lu", l);
4764 fio_keywords[2].replace = strdup(buf);
4765}
4766
892a6ffc
JA		 4767#define BC_APP "bc"
4768
4769static char *bc_calc(char *str)
4770{
d0c814ec 4771 char buf[128], *tmp;
892a6ffc
JA		 4772 FILE *f;
4773 int ret;
4774
4775 /*
4776 * No math, just return string
4777 */
d0c814ec
SL		 4778 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4779 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4780 return str;
4781
4782 /*
4783 * Split option from value, we only need to calculate the value
4784 */
4785 tmp = strchr(str, '=');
4786 if (!tmp)
4787 return str;
4788
4789 tmp++;
892a6ffc 4790
d0c814ec
SL		 4791 /*
4792 * Prevent buffer overflows; such a case isn't reasonable anyway
4793 */
4794 if (strlen(str) >= 128 || strlen(tmp) > 100)
4795 return str;
892a6ffc
JA		 4796
4797 sprintf(buf, "which %s > /dev/null", BC_APP);
4798 if (system(buf)) {
4799 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4800 return NULL;
4801 }
4802
d0c814ec 4803 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4804 f = popen(buf, "r");
3c3ed070 4805 if (!f)
892a6ffc 4806 return NULL;
892a6ffc 4807
d0c814ec 4808 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4809 if (ret <= 0) {
4810 pclose(f);
892a6ffc 4811 return NULL;
1d824f37 4812 }
892a6ffc 4813
892a6ffc 4814 pclose(f);
d0c814ec
SL		 4815 buf[(tmp - str) + ret - 1] = '\0';
4816 memcpy(buf, str, tmp - str);
892a6ffc 4817 free(str);
d0c814ec
SL		 4818 return strdup(buf);
4819}
4820
4821/*
4822 * Return a copy of the input string with substrings of the form ${VARNAME}
4823 * substituted with the value of the environment variable VARNAME. The
4824 * substitution always occurs, even if VARNAME is empty or the corresponding
4825 * environment variable undefined.
4826 */
b4f5e72f 4827char *fio_option_dup_subs(const char *opt)
d0c814ec
SL		 4828{
4829 char out[OPT_LEN_MAX+1];
4830 char in[OPT_LEN_MAX+1];
4831 char *outptr = out;
4832 char *inptr = in;
4833 char *ch1, *ch2, *env;
4834 ssize_t nchr = OPT_LEN_MAX;
4835 size_t envlen;
4836
4837 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4838 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4839 return NULL;
4840 }
4841
4842 in[OPT_LEN_MAX] = '\0';
4843 strncpy(in, opt, OPT_LEN_MAX);
4844
4845 while (*inptr && nchr > 0) {
4846 if (inptr[0] == '$' && inptr[1] == '{') {
4847 ch2 = strchr(inptr, '}');
4848 if (ch2 && inptr+1 < ch2) {
4849 ch1 = inptr+2;
4850 inptr = ch2+1;
4851 *ch2 = '\0';
4852
4853 env = getenv(ch1);
4854 if (env) {
4855 envlen = strlen(env);
4856 if (envlen <= nchr) {
4857 memcpy(outptr, env, envlen);
4858 outptr += envlen;
4859 nchr -= envlen;
4860 }
4861 }
4862
4863 continue;
4864 }
4865 }
4866
4867 *outptr++ = *inptr++;
4868 --nchr;
4869 }
4870
4871 *outptr = '\0';
4872 return strdup(out);
892a6ffc
JA		 4873}
4874
74929ac2
JA		 4875/*
4876 * Look for reserved variable names and replace them with real values
4877 */
4878static char *fio_keyword_replace(char *opt)
4879{
4880 char *s;
4881 int i;
d0c814ec 4882 int docalc = 0;
74929ac2
JA		 4883
4884 for (i = 0; fio_keywords[i].word != NULL; i++) {
4885 struct fio_keyword *kw = &fio_keywords[i];
4886
4887 while ((s = strstr(opt, kw->word)) != NULL) {
4888 char *new = malloc(strlen(opt) + 1);
4889 char *o_org = opt;
4890 int olen = s - opt;
4891 int len;
4892
4893 /*
4894 * Copy part of the string before the keyword and
4895 * sprintf() the replacement after it.
4896 */
4897 memcpy(new, opt, olen);
4898 len = sprintf(new + olen, "%s", kw->replace);
4899
4900 /*
4901 * If there's more in the original string, copy that
4902 * in too
4903 */
4904 opt += strlen(kw->word) + olen;
4905 if (strlen(opt))
4906 memcpy(new + olen + len, opt, opt - o_org - 1);
4907
4908 /*
4909 * replace opt and free the old opt
4910 */
4911 opt = new;
d0c814ec 4912 free(o_org);
7a958bd5 4913
d0c814ec 4914 docalc = 1;
74929ac2
JA		 4915 }
4916 }
4917
d0c814ec
SL		 4918 /*
4919 * Check for potential math and invoke bc, if possible
4920 */
4921 if (docalc)
4922 opt = bc_calc(opt);
4923
7a958bd5 4924 return opt;
74929ac2
JA		 4925}
4926
d0c814ec
SL		 4927static char **dup_and_sub_options(char **opts, int num_opts)
4928{
4929 int i;
4930 char **opts_copy = malloc(num_opts * sizeof(*opts));
4931 for (i = 0; i < num_opts; i++) {
b4f5e72f 4932 opts_copy[i] = fio_option_dup_subs(opts[i]);
d0c814ec
SL		 4933 if (!opts_copy[i])
4934 continue;
4935 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4936 }
4937 return opts_copy;
4938}
4939
e15b023b 4940static void show_closest_option(const char *opt)
a2d027b9
JA		 4941{
4942 int best_option, best_distance;
4943 int i, distance;
e15b023b
JA		 4944 char *name;
4945
4946 if (!strlen(opt))
4947 return;
4948
4949 name = strdup(opt);
4950 i = 0;
4951 while (name[i] != '\0' && name[i] != '=')
4952 i++;
4953 name[i] = '\0';
a2d027b9
JA		 4954
4955 best_option = -1;
4956 best_distance = INT_MAX;
4957 i = 0;
4958 while (fio_options[i].name) {
4959 distance = string_distance(name, fio_options[i].name);
4960 if (distance < best_distance) {
4961 best_distance = distance;
4962 best_option = i;
4963 }
4964 i++;
4965 }
4966
75e6bcba
JA		 4967 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4968 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4969 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4970
4971 free(name);
a2d027b9
JA		 4972}
4973
c2292325 4974int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4975{
de890a1e 4976 int i, ret, unknown;
d0c814ec 4977 char **opts_copy;
3b8b7135 4978
9af4a244 4979 sort_options(opts, fio_options, num_opts);
d0c814ec 4980 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4981
de890a1e 4982 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
9109883a 4983 const struct fio_option *o;
9af4a244 4984 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4985 &o, &td->o, &td->opt_list);
d0c814ec 4986
a8523a6a
JA		 4987 if (!newret && o)
4988 fio_option_mark_set(&td->o, o);
4989
de890a1e
SL		 4990 if (opts_copy[i]) {
4991 if (newret && !o) {
4992 unknown++;
4993 continue;
4994 }
d0c814ec 4995 free(opts_copy[i]);
de890a1e
SL		 4996 opts_copy[i] = NULL;
4997 }
4998
4999 ret |= newret;
5000 }
5001
5002 if (unknown) {
5003 ret |= ioengine_load(td);
5004 if (td->eo) {
5005 sort_options(opts_copy, td->io_ops->options, num_opts);
5006 opts = opts_copy;
5007 }
5008 for (i = 0; i < num_opts; i++) {
9109883a 5009 const struct fio_option *o = NULL;
de890a1e 5010 int newret = 1;
a2d027b9 5011
de890a1e
SL		 5012 if (!opts_copy[i])
5013 continue;
5014
5015 if (td->eo)
5016 newret = parse_option(opts_copy[i], opts[i],
5017 td->io_ops->options, &o,
66e19a38 5018 td->eo, &td->opt_list);
de890a1e
SL		 5019
5020 ret |= newret;
a2d027b9 5021 if (!o) {
de890a1e 5022 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 5023 show_closest_option(opts[i]);
5024 }
de890a1e
SL		 5025 free(opts_copy[i]);
5026 opts_copy[i] = NULL;
5027 }
74929ac2 5028 }
3b8b7135 5029
d0c814ec 5030 free(opts_copy);
3b8b7135 5031 return ret;
214e1eca
JA		 5032}
5033
5034int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
5035{
a8523a6a
JA		 5036 int ret;
5037
a609f12a 5038 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a 5039 if (!ret) {
9109883a 5040 const struct fio_option *o;
a8523a6a 5041
9109883a 5042 o = find_option_c(fio_options, opt);
a8523a6a
JA		 5043 if (o)
5044 fio_option_mark_set(&td->o, o);
5045 }
5046
5047 return ret;
214e1eca
JA		 5048}
5049
de890a1e
SL		 5050int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
5051 char *val)
5052{
d8b4f395
JA		 5053 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
5054 &td->opt_list);
de890a1e
SL		 5055}
5056
214e1eca
JA		 5057void fio_fill_default_options(struct thread_data *td)
5058{
cb1402d6 5059 td->o.magic = OPT_MAGIC;
a609f12a 5060 fill_default_options(&td->o, fio_options);
214e1eca
JA		 5061}
5062
5063int fio_show_option_help(const char *opt)
5064{
9af4a244 5065 return show_cmd_help(fio_options, opt);
214e1eca 5066}
d23bb327 5067
de890a1e
SL		 5068/*
5069 * dupe FIO_OPT_STR_STORE options
5070 */
5071void fio_options_mem_dupe(struct thread_data *td)
5072{
53b5693d 5073 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 5074
5075 if (td->eo && td->io_ops) {
de890a1e 5076 void *oldeo = td->eo;
1647f592 5077
de890a1e
SL		 5078 td->eo = malloc(td->io_ops->option_struct_size);
5079 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 5080 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 5081 }
5082}
5083
d6978a32
JA		 5084unsigned int fio_get_kb_base(void *data)
5085{
a609f12a
JA		 5086 struct thread_data *td = cb_data_to_td(data);
5087 struct thread_options *o = &td->o;
d6978a32
JA		 5088 unsigned int kb_base = 0;
5089
cb1402d6
JA		 5090 /*
5091 * This is a hack... For private options, *data is not holding
5092 * a pointer to the thread_options, but to private data. This means
5093 * we can't safely dereference it, but magic is first so mem wise
5094 * it is valid. But this also means that if the job first sets
5095 * kb_base and expects that to be honored by private options,
5096 * it will be disappointed. We will return the global default
5097 * for this.
5098 */
5099 if (o && o->magic == OPT_MAGIC)
83ea422a 5100 kb_base = o->kb_base;
d6978a32
JA		 5101 if (!kb_base)
5102 kb_base = 1024;
5103
5104 return kb_base;
5105}
9f988e2e 5106
9109883a 5107int add_option(const struct fio_option *o)
9f988e2e 5108{
07b3232d
JA		 5109 struct fio_option *__o;
5110 int opt_index = 0;
5111
9af4a244 5112 __o = fio_options;
07b3232d
JA		 5113 while (__o->name) {
5114 opt_index++;
5115 __o++;
5116 }
5117
7b504edd
JA		 5118 if (opt_index + 1 == FIO_MAX_OPTS) {
5119 log_err("fio: FIO_MAX_OPTS is too small\n");
5120 return 1;
5121 }
5122
9af4a244 5123 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 5124 fio_options[opt_index + 1].name = NULL;
07b3232d 5125 return 0;
9f988e2e 5126}
e2de69da 5127
07b3232d 5128void invalidate_profile_options(const char *prof_name)
e2de69da 5129{
07b3232d 5130 struct fio_option *o;
e2de69da 5131
9af4a244 5132 o = fio_options;
07b3232d
JA		 5133 while (o->name) {
5134 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5135 o->type = FIO_OPT_INVALID;
5136 o->prof_name = NULL;
5137 }
5138 o++;
e2de69da
JA		 5139 }
5140}
f5b6bb85
JA		 5141
5142void add_opt_posval(const char *optname, const char *ival, const char *help)
5143{
5144 struct fio_option *o;
5145 unsigned int i;
5146
9af4a244 5147 o = find_option(fio_options, optname);
f5b6bb85
JA		 5148 if (!o)
5149 return;
5150
5151 for (i = 0; i < PARSE_MAX_VP; i++) {
5152 if (o->posval[i].ival)
5153 continue;
5154
5155 o->posval[i].ival = ival;
5156 o->posval[i].help = help;
5157 break;
5158 }
5159}
5160
5161void del_opt_posval(const char *optname, const char *ival)
5162{
5163 struct fio_option *o;
5164 unsigned int i;
5165
9af4a244 5166 o = find_option(fio_options, optname);
f5b6bb85
JA		 5167 if (!o)
5168 return;
5169
5170 for (i = 0; i < PARSE_MAX_VP; i++) {
5171 if (!o->posval[i].ival)
5172 continue;
5173 if (strcmp(o->posval[i].ival, ival))
5174 continue;
5175
5176 o->posval[i].ival = NULL;
5177 o->posval[i].help = NULL;
5178 }
5179}
7e356b2d
JA		 5180
5181void fio_options_free(struct thread_data *td)
5182{
ca6336a8 5183 options_free(fio_options, &td->o);
de890a1e
SL		 5184 if (td->eo && td->io_ops && td->io_ops->options) {
5185 options_free(td->io_ops->options, td->eo);
5186 free(td->eo);
5187 td->eo = NULL;
5188 }
7e356b2d 5189}
c504ee55
JA		 5190
5191struct fio_option *fio_option_find(const char *name)
5192{
5193 return find_option(fio_options, name);
5194}
5195
517c9c72 5196static struct fio_option *find_next_opt(struct fio_option *from,
f0e7f45a 5197 unsigned int off1)
a8523a6a 5198{
f0e7f45a 5199 struct fio_option *opt;
a8523a6a 5200
f0e7f45a
JA		 5201 if (!from)
5202 from = &fio_options[0];
5203 else
5204 from++;
5205
5206 opt = NULL;
5207 do {
5208 if (off1 == from->off1) {
5209 opt = from;
a8523a6a
JA		 5210 break;
5211 }
f0e7f45a
JA		 5212 from++;
5213 } while (from->name);
a8523a6a 5214
f0e7f45a
JA		 5215 return opt;
5216}
5217
5218static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5219{
5220 unsigned int opt_off, index, offset;
a8523a6a
JA		 5221
5222 opt_off = opt - &fio_options[0];
5223 index = opt_off / (8 * sizeof(uint64_t));
5224 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5225 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5226}
5227
72f39748 5228bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5229{
5230 struct fio_option *opt, *next;
5231
5232 next = NULL;
517c9c72 5233 while ((opt = find_next_opt(next, off1)) != NULL) {
f0e7f45a 5234 if (opt_is_set(o, opt))
72f39748 5235 return true;
f0e7f45a
JA		 5236
5237 next = opt;
5238 }
5239
72f39748 5240 return false;
f0e7f45a
JA		 5241}
5242
9109883a 5243void fio_option_mark_set(struct thread_options *o, const struct fio_option *opt)
a8523a6a
JA		 5244{
5245 unsigned int opt_off, index, offset;
5246
5247 opt_off = opt - &fio_options[0];
5248 index = opt_off / (8 * sizeof(uint64_t));
5249 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5250 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5251}
fio - Flexible IO Tester