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Rename t/aio-ring to t/io_uring
[fio.git] / options.c
CommitLineData
214e1eca
JA		 1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
214e1eca 6#include <assert.h>
5921e80c 7#include <sys/stat.h>
e13c3b50 8#include <netinet/in.h>
214e1eca
JA		 9
10#include "fio.h"
4f5af7b2 11#include "verify.h"
214e1eca 12#include "parse.h"
61b9861d 13#include "lib/pattern.h"
9f988e2e 14#include "options.h"
d220c761 15#include "optgroup.h"
214e1eca 16
e13c3b50 17char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 18
a609f12a
JA		 19#define cb_data_to_td(data) container_of(data, struct thread_data, o)
20
fc8d6d05 21static struct pattern_fmt_desc fmt_desc[] = {
4205998f
JA		 22 {
23 .fmt = "%o",
24 .len = FIELD_SIZE(struct io_u *, offset),
25 .paste = paste_blockoff
26 }
27};
28
214e1eca
JA		 29/*
30 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
31 */
32static char *get_opt_postfix(const char *str)
33{
34 char *p = strstr(str, ":");
35
36 if (!p)
37 return NULL;
38
39 p++;
40 strip_blank_front(&p);
41 strip_blank_end(p);
42 return strdup(p);
43}
44
564ca972
JA		 45static int bs_cmp(const void *p1, const void *p2)
46{
47 const struct bssplit *bsp1 = p1;
48 const struct bssplit *bsp2 = p2;
49
a7cd478d 50 return (int) bsp1->perc - (int) bsp2->perc;
564ca972
JA		 51}
52
d2835319
JA		 53struct split {
54 unsigned int nr;
5fff9543 55 unsigned long long val1[ZONESPLIT_MAX];
9d8fc5e4 56 unsigned long long val2[ZONESPLIT_MAX];
d2835319
JA		 57};
58
59static int split_parse_ddir(struct thread_options *o, struct split *split,
517c9c72 60 char *str, bool absolute, unsigned int max_splits)
564ca972 61{
59466396
JA		 62 unsigned long long perc;
63 unsigned int i;
564ca972 64 long long val;
720e84ad 65 char *fname;
564ca972 66
d2835319 67 split->nr = 0;
564ca972
JA		 68
69 i = 0;
564ca972
JA		 70 while ((fname = strsep(&str, ":")) != NULL) {
71 char *perc_str;
72
73 if (!strlen(fname))
74 break;
75
564ca972
JA		 76 perc_str = strstr(fname, "/");
77 if (perc_str) {
78 *perc_str = '\0';
79 perc_str++;
59466396
JA		 80 if (absolute) {
81 if (str_to_decimal(perc_str, &val, 1, o, 0, 0)) {
82 log_err("fio: split conversion failed\n");
83 return 1;
84 }
85 perc = val;
86 } else {
87 perc = atoi(perc_str);
88 if (perc > 100)
89 perc = 100;
90 else if (!perc)
91 perc = -1U;
92 }
93 } else {
94 if (absolute)
95 perc = 0;
96 else
d711cce5 97 perc = -1U;
59466396 98 }
564ca972 99
88038bc7 100 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
59466396 101 log_err("fio: split conversion failed\n");
564ca972
JA		 102 return 1;
103 }
104
d2835319
JA		 105 split->val1[i] = val;
106 split->val2[i] = perc;
564ca972 107 i++;
c32e1a09
JA		 108 if (i == max_splits) {
109 log_err("fio: hit max of %d split entries\n", i);
d2835319 110 break;
c32e1a09 111 }
564ca972
JA		 112 }
113
d2835319
JA		 114 split->nr = i;
115 return 0;
116}
117
59466396
JA		 118static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str,
119 bool data)
d2835319
JA		 120{
121 unsigned int i, perc, perc_missing;
5fff9543 122 unsigned long long max_bs, min_bs;
d2835319
JA		 123 struct split split;
124
125 memset(&split, 0, sizeof(split));
126
517c9c72 127 if (split_parse_ddir(o, &split, str, data, BSSPLIT_MAX))
d2835319
JA		 128 return 1;
129 if (!split.nr)
130 return 0;
131
132 max_bs = 0;
133 min_bs = -1;
134 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
135 o->bssplit_nr[ddir] = split.nr;
136 for (i = 0; i < split.nr; i++) {
137 if (split.val1[i] > max_bs)
138 max_bs = split.val1[i];
139 if (split.val1[i] < min_bs)
140 min_bs = split.val1[i];
141
142 o->bssplit[ddir][i].bs = split.val1[i];
143 o->bssplit[ddir][i].perc =split.val2[i];
144 }
564ca972
JA		 145
146 /*
147 * Now check if the percentages add up, and how much is missing
148 */
149 perc = perc_missing = 0;
83ea422a 150 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 151 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 152
d711cce5 153 if (bsp->perc == -1U)
564ca972
JA		 154 perc_missing++;
155 else
156 perc += bsp->perc;
157 }
158
40bafa33 159 if (perc > 100 && perc_missing > 1) {
564ca972 160 log_err("fio: bssplit percentages add to more than 100%%\n");
d2835319
JA		 161 free(o->bssplit[ddir]);
162 o->bssplit[ddir] = NULL;
564ca972
JA		 163 return 1;
164 }
d711cce5 165
564ca972
JA		 166 /*
167 * If values didn't have a percentage set, divide the remains between
168 * them.
169 */
170 if (perc_missing) {
d711cce5 171 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 172 perc = 100;
83ea422a 173 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 174 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 175
d711cce5 176 if (bsp->perc == -1U)
564ca972
JA		 177 bsp->perc = (100 - perc) / perc_missing;
178 }
179 }
180
83ea422a
JA		 181 o->min_bs[ddir] = min_bs;
182 o->max_bs[ddir] = max_bs;
564ca972
JA		 183
184 /*
185 * now sort based on percentages, for ease of lookup
186 */
d2835319 187 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
720e84ad 188 return 0;
720e84ad
JA		 189}
190
59466396 191typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *, bool);
764593c0 192
59466396
JA		 193static int str_split_parse(struct thread_data *td, char *str,
194 split_parse_fn *fn, bool data)
720e84ad 195{
764593c0 196 char *odir, *ddir;
720e84ad
JA		 197 int ret = 0;
198
720e84ad
JA		 199 odir = strchr(str, ',');
200 if (odir) {
6eaf09d6
SL		 201 ddir = strchr(odir + 1, ',');
202 if (ddir) {
59466396 203 ret = fn(&td->o, DDIR_TRIM, ddir + 1, data);
6eaf09d6
SL		 204 if (!ret)
205 *ddir = '\0';
206 } else {
207 char *op;
208
209 op = strdup(odir + 1);
59466396 210 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL		 211
212 free(op);
213 }
d79db122 214 if (!ret)
59466396 215 ret = fn(&td->o, DDIR_WRITE, odir + 1, data);
720e84ad
JA		 216 if (!ret) {
217 *odir = '\0';
59466396 218 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad
JA		 219 }
220 } else {
221 char *op;
222
223 op = strdup(str);
59466396 224 ret = fn(&td->o, DDIR_WRITE, op, data);
6eaf09d6 225 free(op);
720e84ad 226
6eaf09d6
SL		 227 if (!ret) {
228 op = strdup(str);
59466396 229 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL		 230 free(op);
231 }
f0c9c217 232 if (!ret)
59466396 233 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad 234 }
564ca972 235
764593c0
JA		 236 return ret;
237}
238
239static int str_bssplit_cb(void *data, const char *input)
240{
a609f12a 241 struct thread_data *td = cb_data_to_td(data);
764593c0
JA		 242 char *str, *p;
243 int ret = 0;
244
764593c0
JA		 245 p = str = strdup(input);
246
247 strip_blank_front(&str);
248 strip_blank_end(str);
249
59466396 250 ret = str_split_parse(td, str, bssplit_ddir, false);
764593c0 251
55baca06
JA		 252 if (parse_dryrun()) {
253 int i;
254
255 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
256 free(td->o.bssplit[i]);
257 td->o.bssplit[i] = NULL;
258 td->o.bssplit_nr[i] = 0;
259 }
260 }
261
564ca972 262 free(p);
720e84ad 263 return ret;
564ca972
JA		 264}
265
8b28bd41
DM		 266static int str2error(char *str)
267{
a94eb99a 268 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 269 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
270 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
271 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
272 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
273 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
274 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 275 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
7fe481b4 276 int i = 0, num = sizeof(err) / sizeof(char *);
8b28bd41 277
a94eb99a 278 while (i < num) {
8b28bd41
DM		 279 if (!strcmp(err[i], str))
280 return i + 1;
281 i++;
282 }
283 return 0;
284}
285
3ed673c6
TK		 286static int ignore_error_type(struct thread_data *td, enum error_type_bit etype,
287 char *str)
8b28bd41
DM		 288{
289 unsigned int i;
290 int *error;
291 char *fname;
292
293 if (etype >= ERROR_TYPE_CNT) {
294 log_err("Illegal error type\n");
295 return 1;
296 }
297
298 td->o.ignore_error_nr[etype] = 4;
685ffd57 299 error = calloc(4, sizeof(int));
8b28bd41
DM		 300
301 i = 0;
302 while ((fname = strsep(&str, ":")) != NULL) {
303
304 if (!strlen(fname))
305 break;
306
307 /*
308 * grow struct buffer, if needed
309 */
310 if (i == td->o.ignore_error_nr[etype]) {
311 td->o.ignore_error_nr[etype] <<= 1;
312 error = realloc(error, td->o.ignore_error_nr[etype]
313 * sizeof(int));
314 }
315 if (fname[0] == 'E') {
316 error[i] = str2error(fname);
317 } else {
318 error[i] = atoi(fname);
319 if (error[i] < 0)
1616e025 320 error[i] = -error[i];
8b28bd41
DM		 321 }
322 if (!error[i]) {
d503e281 323 log_err("Unknown error %s, please use number value\n",
8b28bd41 324 fname);
d503e281 325 td->o.ignore_error_nr[etype] = 0;
0fddbf7a 326 free(error);
8b28bd41
DM		 327 return 1;
328 }
329 i++;
330 }
331 if (i) {
332 td->o.continue_on_error |= 1 << etype;
333 td->o.ignore_error_nr[etype] = i;
334 td->o.ignore_error[etype] = error;
d503e281
TK		 335 } else {
336 td->o.ignore_error_nr[etype] = 0;
c7b086be 337 free(error);
d503e281 338 }
c7b086be 339
8b28bd41
DM		 340 return 0;
341
342}
343
d7235efb
JA		 344static int str_replay_skip_cb(void *data, const char *input)
345{
346 struct thread_data *td = cb_data_to_td(data);
347 char *str, *p, *n;
348 int ret = 0;
349
350 if (parse_dryrun())
351 return 0;
352
353 p = str = strdup(input);
354
355 strip_blank_front(&str);
356 strip_blank_end(str);
357
358 while (p) {
359 n = strchr(p, ',');
360 if (n)
361 *n++ = '\0';
362 if (!strcmp(p, "read"))
363 td->o.replay_skip |= 1u << DDIR_READ;
364 else if (!strcmp(p, "write"))
365 td->o.replay_skip |= 1u << DDIR_WRITE;
366 else if (!strcmp(p, "trim"))
367 td->o.replay_skip |= 1u << DDIR_TRIM;
368 else if (!strcmp(p, "sync"))
369 td->o.replay_skip |= 1u << DDIR_SYNC;
370 else {
371 log_err("Unknown skip type: %s\n", p);
372 ret = 1;
373 break;
374 }
375 p = n;
376 }
377 free(str);
378 return ret;
379}
380
8b28bd41
DM		 381static int str_ignore_error_cb(void *data, const char *input)
382{
a609f12a 383 struct thread_data *td = cb_data_to_td(data);
8b28bd41 384 char *str, *p, *n;
3ed673c6
TK		 385 int ret = 1;
386 enum error_type_bit type = 0;
52c0cea3
JA		 387
388 if (parse_dryrun())
389 return 0;
390
8b28bd41
DM		 391 p = str = strdup(input);
392
393 strip_blank_front(&str);
394 strip_blank_end(str);
395
396 while (p) {
397 n = strchr(p, ',');
398 if (n)
399 *n++ = '\0';
400 ret = ignore_error_type(td, type, p);
401 if (ret)
402 break;
403 p = n;
404 type++;
405 }
406 free(str);
407 return ret;
408}
409
211097b2
JA		 410static int str_rw_cb(void *data, const char *str)
411{
a609f12a 412 struct thread_data *td = cb_data_to_td(data);
83ea422a 413 struct thread_options *o = &td->o;
27ca949f 414 char *nr;
211097b2 415
52c0cea3
JA		 416 if (parse_dryrun())
417 return 0;
418
83ea422a
JA		 419 o->ddir_seq_nr = 1;
420 o->ddir_seq_add = 0;
059b0802 421
27ca949f 422 nr = get_opt_postfix(str);
059b0802
JA		 423 if (!nr)
424 return 0;
425
426 if (td_random(td))
83ea422a 427 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 428 else {
429 long long val;
430
88038bc7 431 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 432 log_err("fio: rw postfix parsing failed\n");
433 free(nr);
434 return 1;
435 }
436
83ea422a 437 o->ddir_seq_add = val;
182ec6ee 438 }
211097b2 439
059b0802 440 free(nr);
211097b2
JA		 441 return 0;
442}
443
214e1eca
JA		 444static int str_mem_cb(void *data, const char *mem)
445{
a609f12a 446 struct thread_data *td = cb_data_to_td(data);
214e1eca 447
217b0f1d
LG		 448 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
449 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 450 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 451
452 return 0;
453}
454
c223da83
JA		 455static int fio_clock_source_cb(void *data, const char *str)
456{
a609f12a 457 struct thread_data *td = cb_data_to_td(data);
c223da83
JA		 458
459 fio_clock_source = td->o.clocksource;
fa80feae 460 fio_clock_source_set = 1;
01423eae 461 fio_clock_init();
c223da83
JA		 462 return 0;
463}
464
85bc833b 465static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4 466{
a609f12a 467 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 468
469 td->o.rwmix[DDIR_READ] = *val;
470 td->o.rwmix[DDIR_WRITE] = 100 - *val;
471 return 0;
472}
473
85bc833b 474static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4 475{
a609f12a 476 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 477
478 td->o.rwmix[DDIR_WRITE] = *val;
479 td->o.rwmix[DDIR_READ] = 100 - *val;
480 return 0;
481}
482
214e1eca
JA		 483static int str_exitall_cb(void)
484{
f1867a7f 485 exitall_on_terminate = true;
214e1eca
JA		 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 */
532eda7e 1158char *get_next_str(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 1199
532eda7e 1200int get_max_str_idx(char *input)
bcbfeefa
CE		 1201{
1202 unsigned int cur_idx;
1203 char *str, *p;
1204
1205 p = str = strdup(input);
1206 for (cur_idx = 0; ; cur_idx++)
532eda7e 1207 if (get_next_str(&str) == NULL)
bcbfeefa
CE		 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
532eda7e 1227 index %= get_max_str_idx(input);
bcbfeefa 1228 for (cur_idx = 0; cur_idx <= index; cur_idx++)
532eda7e 1229 fname = get_next_str(&str);
bcbfeefa 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
532eda7e 1250 index %= get_max_str_idx(input);
c70c7f58 1251 for (cur_idx = 0; cur_idx <= index; cur_idx++)
532eda7e 1252 fname = get_next_str(&str);
c70c7f58
AK		 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
532eda7e 1276 while ((fname = get_next_str(&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 1296 p = str = strdup(td->o.directory);
532eda7e 1297 while ((dirname = get_next_str(&str)) != NULL) {
bcbfeefa
CE		 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
52885fa2 1776#ifdef CONFIG_LIBAIO
1f90e9bb 1777#ifdef ARCH_HAVE_AIORING
52885fa2
JA		 1778 { .ival = "aio-ring",
1779 .help = "Linux native asynchronous IO",
1780 },
1781#endif
1f90e9bb 1782#endif
67bf9823 1783#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1784 { .ival = "posixaio",
1785 .help = "POSIX asynchronous IO",
1786 },
417f0068 1787#endif
997843cb 1788#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1789 { .ival = "solarisaio",
1790 .help = "Solaris native asynchronous IO",
1791 },
214e1eca 1792#endif
4700b234 1793#ifdef CONFIG_WINDOWSAIO
03e20d68 1794 { .ival = "windowsaio",
3be80071 1795 .help = "Windows native asynchronous IO"
de890a1e 1796 },
fc5c0345
DG		 1797#endif
1798#ifdef CONFIG_RBD
1799 { .ival = "rbd",
1800 .help = "Rados Block Device asynchronous IO"
1801 },
3be80071 1802#endif
214e1eca 1803 { .ival = "mmap",
03e20d68 1804 .help = "Memory mapped IO"
214e1eca 1805 },
67bf9823 1806#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1807 { .ival = "splice",
1808 .help = "splice/vmsplice based IO",
1809 },
9cce02e8
JA		 1810 { .ival = "netsplice",
1811 .help = "splice/vmsplice to/from the network",
1812 },
214e1eca
JA		 1813#endif
1814#ifdef FIO_HAVE_SGIO
1815 { .ival = "sg",
1816 .help = "SCSI generic v3 IO",
1817 },
1818#endif
1819 { .ival = "null",
1820 .help = "Testing engine (no data transfer)",
1821 },
1822 { .ival = "net",
1823 .help = "Network IO",
1824 },
214e1eca 1825 { .ival = "cpuio",
03e20d68 1826 .help = "CPU cycle burner engine",
214e1eca 1827 },
67bf9823 1828#ifdef CONFIG_GUASI
b8c82a46
JA		 1829 { .ival = "guasi",
1830 .help = "GUASI IO engine",
1831 },
79a43187 1832#endif
67bf9823 1833#ifdef CONFIG_RDMA
21b8aee8 1834 { .ival = "rdma",
1835 .help = "RDMA IO engine",
1836 },
8200b8c7 1837#endif
997843cb 1838#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1839 { .ival = "e4defrag",
1840 .help = "ext4 defrag engine",
1841 },
1842#endif
997843cb 1843#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1844 { .ival = "falloc",
1845 .help = "fallocate() file based engine",
1846 },
b8c82a46 1847#endif
a7c386f4 1848#ifdef CONFIG_GFAPI
1849 { .ival = "gfapi",
cc47f094 1850 .help = "Glusterfs libgfapi(sync) based engine"
1851 },
1852 { .ival = "gfapi_async",
1853 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1854 },
1855#endif
1b10477b 1856#ifdef CONFIG_LIBHDFS
b74e419e 1857 { .ival = "libhdfs",
1b10477b
MM		 1858 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1859 },
5c4ef02e
JA		 1860#endif
1861#ifdef CONFIG_PMEMBLK
1862 { .ival = "pmemblk",
363a5f65 1863 .help = "PMDK libpmemblk based IO engine",
5c4ef02e
JA		 1864 },
1865
104ee4de 1866#endif
a40e7a59
GB		 1867#ifdef CONFIG_IME
1868 { .ival = "ime_psync",
1869 .help = "DDN's IME synchronous IO engine",
1870 },
1871 { .ival = "ime_psyncv",
1872 .help = "DDN's IME synchronous IO engine using iovecs",
1873 },
1874 { .ival = "ime_aio",
1875 .help = "DDN's IME asynchronous IO engine",
1876 },
1877#endif
104ee4de
DJ		 1878#ifdef CONFIG_LINUX_DEVDAX
1879 { .ival = "dev-dax",
1880 .help = "DAX Device based IO engine",
1881 },
1b10477b 1882#endif
edc5fa12
JA		 1883 {
1884 .ival = "filecreate",
1885 .help = "File creation engine",
1886 },
214e1eca
JA		 1887 { .ival = "external",
1888 .help = "Load external engine (append name)",
6730b40f 1889 .cb = str_ioengine_external_cb,
214e1eca 1890 },
ae0db592
TI		 1891#ifdef CONFIG_LIBPMEM
1892 { .ival = "libpmem",
363a5f65 1893 .help = "PMDK libpmem based IO engine",
ae0db592 1894 },
c2f6a13d
LMB		 1895#endif
1896#ifdef CONFIG_HTTP
1897 { .ival = "http",
1898 .help = "HTTP (WebDAV/S3) IO engine",
1899 },
ae0db592 1900#endif
214e1eca
JA		 1901 },
1902 },
1903 {
1904 .name = "iodepth",
e8b0e958 1905 .lname = "IO Depth",
214e1eca 1906 .type = FIO_OPT_INT,
a609f12a 1907 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1908 .help = "Number of IO buffers to keep in flight",
757aff4f 1909 .minval = 1,
20eb06bd 1910 .interval = 1,
214e1eca 1911 .def = "1",
e8b0e958 1912 .category = FIO_OPT_C_IO,
0626037e 1913 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1914 },
1915 {
1916 .name = "iodepth_batch",
e8b0e958 1917 .lname = "IO Depth batch",
4950421a 1918 .alias = "iodepth_batch_submit",
214e1eca 1919 .type = FIO_OPT_INT,
a609f12a 1920 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1921 .help = "Number of IO buffers to submit in one go",
afdf9352 1922 .parent = "iodepth",
d71c154c 1923 .hide = 1,
20eb06bd 1924 .interval = 1,
a2e6f8ac 1925 .def = "1",
e8b0e958 1926 .category = FIO_OPT_C_IO,
0626037e 1927 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1928 },
1929 {
82407585
RP		 1930 .name = "iodepth_batch_complete_min",
1931 .lname = "Min IO depth batch complete",
1932 .alias = "iodepth_batch_complete",
4950421a 1933 .type = FIO_OPT_INT,
a609f12a 1934 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1935 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1936 .parent = "iodepth",
d71c154c 1937 .hide = 1,
4950421a 1938 .minval = 0,
20eb06bd 1939 .interval = 1,
4950421a 1940 .def = "1",
e8b0e958 1941 .category = FIO_OPT_C_IO,
0626037e 1942 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1943 },
82407585
RP		 1944 {
1945 .name = "iodepth_batch_complete_max",
1946 .lname = "Max IO depth batch complete",
1947 .type = FIO_OPT_INT,
a609f12a 1948 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1949 .help = "Max number of IO buffers to retrieve in one go",
1950 .parent = "iodepth",
1951 .hide = 1,
1952 .minval = 0,
1953 .interval = 1,
1954 .category = FIO_OPT_C_IO,
1955 .group = FIO_OPT_G_IO_BASIC,
1956 },
214e1eca
JA		 1957 {
1958 .name = "iodepth_low",
e8b0e958 1959 .lname = "IO Depth batch low",
214e1eca 1960 .type = FIO_OPT_INT,
a609f12a 1961 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1962 .help = "Low water mark for queuing depth",
afdf9352 1963 .parent = "iodepth",
d71c154c 1964 .hide = 1,
20eb06bd 1965 .interval = 1,
e8b0e958 1966 .category = FIO_OPT_C_IO,
0626037e 1967 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1968 },
997b5680
SW		 1969 {
1970 .name = "serialize_overlap",
1971 .lname = "Serialize overlap",
1972 .off1 = offsetof(struct thread_options, serialize_overlap),
1973 .type = FIO_OPT_BOOL,
1974 .help = "Wait for in-flight IOs that collide to complete",
1975 .parent = "iodepth",
1976 .def = "0",
1977 .category = FIO_OPT_C_IO,
1978 .group = FIO_OPT_G_IO_BASIC,
1979 },
a9da8ab2
JA		 1980 {
1981 .name = "io_submit_mode",
1982 .lname = "IO submit mode",
1983 .type = FIO_OPT_STR,
a609f12a 1984 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1985 .help = "How IO submissions and completions are done",
1986 .def = "inline",
1987 .category = FIO_OPT_C_IO,
1988 .group = FIO_OPT_G_IO_BASIC,
1989 .posval = {
1990 { .ival = "inline",
1991 .oval = IO_MODE_INLINE,
1992 .help = "Submit and complete IO inline",
1993 },
1994 { .ival = "offload",
1995 .oval = IO_MODE_OFFLOAD,
1996 .help = "Offload submit and complete to threads",
1997 },
1998 },
1999 },
214e1eca
JA		 2000 {
2001 .name = "size",
e8b0e958 2002 .lname = "Size",
214e1eca 2003 .type = FIO_OPT_STR_VAL,
7bb59102 2004 .cb = str_size_cb,
a609f12a 2005 .off1 = offsetof(struct thread_options, size),
214e1eca 2006 .help = "Total size of device or files",
20eb06bd 2007 .interval = 1024 * 1024,
e8b0e958
JA		 2008 .category = FIO_OPT_C_IO,
2009 .group = FIO_OPT_G_INVALID,
214e1eca 2010 },
77731b29 2011 {
a4d3b4db
JA		 2012 .name = "io_size",
2013 .alias = "io_limit",
2014 .lname = "IO Size",
77731b29 2015 .type = FIO_OPT_STR_VAL,
5be9bf09 2016 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 2017 .help = "Total size of I/O to be performed",
77731b29
JA		 2018 .interval = 1024 * 1024,
2019 .category = FIO_OPT_C_IO,
2020 .group = FIO_OPT_G_INVALID,
2021 },
aa31f1f1
SL		 2022 {
2023 .name = "fill_device",
e8b0e958 2024 .lname = "Fill device",
74586c1e 2025 .alias = "fill_fs",
aa31f1f1 2026 .type = FIO_OPT_BOOL,
a609f12a 2027 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 2028 .help = "Write until an ENOSPC error occurs",
2029 .def = "0",
e8b0e958
JA		 2030 .category = FIO_OPT_C_FILE,
2031 .group = FIO_OPT_G_INVALID,
aa31f1f1 2032 },
214e1eca
JA		 2033 {
2034 .name = "filesize",
e8b0e958 2035 .lname = "File size",
214e1eca 2036 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 2037 .off1 = offsetof(struct thread_options, file_size_low),
2038 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 2039 .minval = 1,
214e1eca 2040 .help = "Size of individual files",
20eb06bd 2041 .interval = 1024 * 1024,
e8b0e958
JA		 2042 .category = FIO_OPT_C_FILE,
2043 .group = FIO_OPT_G_INVALID,
214e1eca 2044 },
bedc9dc2
JA		 2045 {
2046 .name = "file_append",
2047 .lname = "File append",
2048 .type = FIO_OPT_BOOL,
a609f12a 2049 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 2050 .help = "IO will start at the end of the file(s)",
2051 .def = "0",
2052 .category = FIO_OPT_C_FILE,
2053 .group = FIO_OPT_G_INVALID,
2054 },
67a1000f
JA		 2055 {
2056 .name = "offset",
e8b0e958 2057 .lname = "IO offset",
67a1000f
JA		 2058 .alias = "fileoffset",
2059 .type = FIO_OPT_STR_VAL,
89978a6b 2060 .cb = str_offset_cb,
a609f12a 2061 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 2062 .help = "Start IO from this offset",
2063 .def = "0",
20eb06bd 2064 .interval = 1024 * 1024,
e8b0e958
JA		 2065 .category = FIO_OPT_C_IO,
2066 .group = FIO_OPT_G_INVALID,
67a1000f 2067 },
83c8b093
JF		 2068 {
2069 .name = "offset_align",
2070 .lname = "IO offset alignment",
2071 .type = FIO_OPT_INT,
2072 .off1 = offsetof(struct thread_options, start_offset_align),
2073 .help = "Start IO from this offset alignment",
2074 .def = "0",
2075 .interval = 512,
2076 .category = FIO_OPT_C_IO,
2077 .group = FIO_OPT_G_INVALID,
2078 },
2d7cd868
JA		 2079 {
2080 .name = "offset_increment",
e8b0e958 2081 .lname = "IO offset increment",
2d7cd868 2082 .type = FIO_OPT_STR_VAL,
a609f12a 2083 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 2084 .help = "What is the increment from one offset to the next",
2085 .parent = "offset",
d71c154c 2086 .hide = 1,
2d7cd868 2087 .def = "0",
20eb06bd 2088 .interval = 1024 * 1024,
e8b0e958
JA		 2089 .category = FIO_OPT_C_IO,
2090 .group = FIO_OPT_G_INVALID,
2d7cd868 2091 },
ddf24e42
JA		 2092 {
2093 .name = "number_ios",
2094 .lname = "Number of IOs to perform",
2095 .type = FIO_OPT_STR_VAL,
a609f12a 2096 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2097 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 2098 .def = "0",
2099 .category = FIO_OPT_C_IO,
2100 .group = FIO_OPT_G_INVALID,
2101 },
214e1eca
JA		 2102 {
2103 .name = "bs",
e8b0e958 2104 .lname = "Block size",
d3aad8f2 2105 .alias = "blocksize",
5fff9543 2106 .type = FIO_OPT_ULL,
a609f12a
JA		 2107 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2108 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2109 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2110 .minval = 1,
214e1eca 2111 .help = "Block size unit",
2b9136a3 2112 .def = "4096",
67a1000f 2113 .parent = "rw",
d71c154c 2114 .hide = 1,
20eb06bd 2115 .interval = 512,
e8b0e958
JA		 2116 .category = FIO_OPT_C_IO,
2117 .group = FIO_OPT_G_INVALID,
214e1eca 2118 },
2b7a01d0
JA		 2119 {
2120 .name = "ba",
e8b0e958 2121 .lname = "Block size align",
2b7a01d0 2122 .alias = "blockalign",
5fff9543 2123 .type = FIO_OPT_ULL,
a609f12a
JA		 2124 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2125 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2126 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2127 .minval = 1,
2128 .help = "IO block offset alignment",
2129 .parent = "rw",
d71c154c 2130 .hide = 1,
20eb06bd 2131 .interval = 512,
e8b0e958
JA		 2132 .category = FIO_OPT_C_IO,
2133 .group = FIO_OPT_G_INVALID,
2b7a01d0 2134 },
214e1eca
JA		 2135 {
2136 .name = "bsrange",
e8b0e958 2137 .lname = "Block size range",
d3aad8f2 2138 .alias = "blocksize_range",
214e1eca 2139 .type = FIO_OPT_RANGE,
a609f12a
JA		 2140 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2141 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2142 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2143 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2144 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2145 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2146 .minval = 1,
214e1eca 2147 .help = "Set block size range (in more detail than bs)",
67a1000f 2148 .parent = "rw",
d71c154c 2149 .hide = 1,
20eb06bd 2150 .interval = 4096,
e8b0e958
JA		 2151 .category = FIO_OPT_C_IO,
2152 .group = FIO_OPT_G_INVALID,
214e1eca 2153 },
564ca972
JA		 2154 {
2155 .name = "bssplit",
e8b0e958 2156 .lname = "Block size split",
5fff9543 2157 .type = FIO_OPT_STR_ULL,
564ca972 2158 .cb = str_bssplit_cb,
a609f12a 2159 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2160 .help = "Set a specific mix of block sizes",
2161 .parent = "rw",
d71c154c 2162 .hide = 1,
e8b0e958
JA		 2163 .category = FIO_OPT_C_IO,
2164 .group = FIO_OPT_G_INVALID,
564ca972 2165 },
214e1eca
JA		 2166 {
2167 .name = "bs_unaligned",
e8b0e958 2168 .lname = "Block size unaligned",
d3aad8f2 2169 .alias = "blocksize_unaligned",
214e1eca 2170 .type = FIO_OPT_STR_SET,
a609f12a 2171 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2172 .help = "Don't sector align IO buffer sizes",
67a1000f 2173 .parent = "rw",
d71c154c 2174 .hide = 1,
e8b0e958
JA		 2175 .category = FIO_OPT_C_IO,
2176 .group = FIO_OPT_G_INVALID,
214e1eca 2177 },
6aca9b3d
JA		 2178 {
2179 .name = "bs_is_seq_rand",
2180 .lname = "Block size division is seq/random (not read/write)",
2181 .type = FIO_OPT_BOOL,
a609f12a 2182 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2183 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2184 .def = "0",
2185 .parent = "blocksize",
2186 .category = FIO_OPT_C_IO,
2187 .group = FIO_OPT_G_INVALID,
2188 },
214e1eca
JA		 2189 {
2190 .name = "randrepeat",
e8b0e958 2191 .lname = "Random repeatable",
214e1eca 2192 .type = FIO_OPT_BOOL,
a609f12a 2193 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2194 .help = "Use repeatable random IO pattern",
2195 .def = "1",
67a1000f 2196 .parent = "rw",
d71c154c 2197 .hide = 1,
e8b0e958 2198 .category = FIO_OPT_C_IO,
3ceb458f 2199 .group = FIO_OPT_G_RANDOM,
214e1eca 2200 },
04778baf
JA		 2201 {
2202 .name = "randseed",
2203 .lname = "The random generator seed",
363cffa7 2204 .type = FIO_OPT_STR_VAL,
a609f12a 2205 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2206 .help = "Set the random generator seed value",
40fe5e7b 2207 .def = "0x89",
04778baf
JA		 2208 .parent = "rw",
2209 .category = FIO_OPT_C_IO,
2210 .group = FIO_OPT_G_RANDOM,
2211 },
214e1eca
JA		 2212 {
2213 .name = "norandommap",
e8b0e958 2214 .lname = "No randommap",
214e1eca 2215 .type = FIO_OPT_STR_SET,
a609f12a 2216 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2217 .help = "Accept potential duplicate random blocks",
67a1000f 2218 .parent = "rw",
d71c154c 2219 .hide = 1,
b2452a43 2220 .hide_on_set = 1,
e8b0e958 2221 .category = FIO_OPT_C_IO,
3ceb458f 2222 .group = FIO_OPT_G_RANDOM,
214e1eca 2223 },
2b386d25
JA		 2224 {
2225 .name = "softrandommap",
e8b0e958 2226 .lname = "Soft randommap",
2b386d25 2227 .type = FIO_OPT_BOOL,
a609f12a 2228 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2229 .help = "Set norandommap if randommap allocation fails",
2b386d25 2230 .parent = "norandommap",
d71c154c 2231 .hide = 1,
2b386d25 2232 .def = "0",
e8b0e958 2233 .category = FIO_OPT_C_IO,
3ceb458f 2234 .group = FIO_OPT_G_RANDOM,
2b386d25 2235 },
8055e41d
JA		 2236 {
2237 .name = "random_generator",
cce2fdfe 2238 .lname = "Random Generator",
8055e41d 2239 .type = FIO_OPT_STR,
a609f12a 2240 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2241 .help = "Type of random number generator to use",
2242 .def = "tausworthe",
2243 .posval = {
2244 { .ival = "tausworthe",
2245 .oval = FIO_RAND_GEN_TAUSWORTHE,
2246 .help = "Strong Tausworthe generator",
2247 },
2248 { .ival = "lfsr",
2249 .oval = FIO_RAND_GEN_LFSR,
2250 .help = "Variable length LFSR",
2251 },
c3546b53
JA		 2252 {
2253 .ival = "tausworthe64",
2254 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2255 .help = "64-bit Tausworthe variant",
2256 },
8055e41d 2257 },
48107598
JA		 2258 .category = FIO_OPT_C_IO,
2259 .group = FIO_OPT_G_RANDOM,
8055e41d 2260 },
e25839d4
JA		 2261 {
2262 .name = "random_distribution",
cce2fdfe 2263 .lname = "Random Distribution",
e25839d4 2264 .type = FIO_OPT_STR,
a609f12a 2265 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2266 .cb = str_random_distribution_cb,
2267 .help = "Random offset distribution generator",
2268 .def = "random",
2269 .posval = {
2270 { .ival = "random",
2271 .oval = FIO_RAND_DIST_RANDOM,
2272 .help = "Completely random",
2273 },
2274 { .ival = "zipf",
2275 .oval = FIO_RAND_DIST_ZIPF,
2276 .help = "Zipf distribution",
2277 },
925fee33
JA		 2278 { .ival = "pareto",
2279 .oval = FIO_RAND_DIST_PARETO,
2280 .help = "Pareto distribution",
2281 },
56d9fa4b
JA		 2282 { .ival = "normal",
2283 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2284 .help = "Normal (Gaussian) distribution",
56d9fa4b 2285 },
e0a04ac1
JA		 2286 { .ival = "zoned",
2287 .oval = FIO_RAND_DIST_ZONED,
2288 .help = "Zoned random distribution",
2289 },
59466396
JA		 2290 { .ival = "zoned_abs",
2291 .oval = FIO_RAND_DIST_ZONED_ABS,
2292 .help = "Zoned absolute random distribution",
2293 },
e25839d4 2294 },
48107598
JA		 2295 .category = FIO_OPT_C_IO,
2296 .group = FIO_OPT_G_RANDOM,
e25839d4 2297 },
211c9b89
JA		 2298 {
2299 .name = "percentage_random",
2300 .lname = "Percentage Random",
2301 .type = FIO_OPT_INT,
a609f12a
JA		 2302 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2303 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2304 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2305 .maxval = 100,
2306 .help = "Percentage of seq/random mix that should be random",
d9472271 2307 .def = "100,100,100",
211c9b89
JA		 2308 .interval = 5,
2309 .inverse = "percentage_sequential",
2310 .category = FIO_OPT_C_IO,
2311 .group = FIO_OPT_G_RANDOM,
2312 },
2313 {
2314 .name = "percentage_sequential",
2315 .lname = "Percentage Sequential",
d9472271 2316 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2317 .category = FIO_OPT_C_IO,
2318 .group = FIO_OPT_G_RANDOM,
2319 },
56e2a5fc
CE		 2320 {
2321 .name = "allrandrepeat",
cce2fdfe 2322 .lname = "All Random Repeat",
56e2a5fc 2323 .type = FIO_OPT_BOOL,
a609f12a 2324 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2325 .help = "Use repeatable random numbers for everything",
2326 .def = "0",
a869d9c6
JA		 2327 .category = FIO_OPT_C_IO,
2328 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2329 },
214e1eca
JA		 2330 {
2331 .name = "nrfiles",
e8b0e958 2332 .lname = "Number of files",
d7c8be03 2333 .alias = "nr_files",
214e1eca 2334 .type = FIO_OPT_INT,
a609f12a 2335 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2336 .help = "Split job workload between this number of files",
2337 .def = "1",
20eb06bd 2338 .interval = 1,
e8b0e958
JA		 2339 .category = FIO_OPT_C_FILE,
2340 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2341 },
2342 {
2343 .name = "openfiles",
e8b0e958 2344 .lname = "Number of open files",
214e1eca 2345 .type = FIO_OPT_INT,
a609f12a 2346 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2347 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2348 .category = FIO_OPT_C_FILE,
2349 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2350 },
2351 {
2352 .name = "file_service_type",
e8b0e958 2353 .lname = "File service type",
214e1eca
JA		 2354 .type = FIO_OPT_STR,
2355 .cb = str_fst_cb,
a609f12a 2356 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2357 .help = "How to select which file to service next",
2358 .def = "roundrobin",
e8b0e958
JA		 2359 .category = FIO_OPT_C_FILE,
2360 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2361 .posval = {
2362 { .ival = "random",
2363 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2364 .help = "Choose a file at random (uniform)",
2365 },
2366 { .ival = "zipf",
2367 .oval = FIO_FSERVICE_ZIPF,
2368 .help = "Zipf randomized",
2369 },
2370 { .ival = "pareto",
2371 .oval = FIO_FSERVICE_PARETO,
2372 .help = "Pareto randomized",
2373 },
dd3503d3
SW		 2374 { .ival = "normal",
2375 .oval = FIO_FSERVICE_GAUSS,
2376 .help = "Normal (Gaussian) randomized",
2377 },
8c07860d
JA		 2378 { .ival = "gauss",
2379 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2380 .help = "Alias for normal",
214e1eca
JA		 2381 },
2382 { .ival = "roundrobin",
2383 .oval = FIO_FSERVICE_RR,
2384 .help = "Round robin select files",
2385 },
a086c257
JA		 2386 { .ival = "sequential",
2387 .oval = FIO_FSERVICE_SEQ,
2388 .help = "Finish one file before moving to the next",
2389 },
214e1eca 2390 },
67a1000f 2391 .parent = "nrfiles",
d71c154c 2392 .hide = 1,
67a1000f 2393 },
cbbdf1c8 2394#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA		 2395 {
2396 .name = "fallocate",
e8b0e958 2397 .lname = "Fallocate",
a596f047 2398 .type = FIO_OPT_STR,
a609f12a 2399 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2400 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2401 .def = "native",
e8b0e958
JA		 2402 .category = FIO_OPT_C_FILE,
2403 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2404 .posval = {
2405 { .ival = "none",
2406 .oval = FIO_FALLOCATE_NONE,
2407 .help = "Do not pre-allocate space",
2408 },
2c3e17be
SW		 2409 { .ival = "native",
2410 .oval = FIO_FALLOCATE_NATIVE,
2411 .help = "Use native pre-allocation if possible",
2412 },
2413#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2414 { .ival = "posix",
2415 .oval = FIO_FALLOCATE_POSIX,
2416 .help = "Use posix_fallocate()",
2417 },
2c3e17be 2418#endif
97ac992c 2419#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2420 { .ival = "keep",
2421 .oval = FIO_FALLOCATE_KEEP_SIZE,
2422 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2423 },
7bc8c2cf 2424#endif
a596f047
EG		 2425 /* Compatibility with former boolean values */
2426 { .ival = "0",
2427 .oval = FIO_FALLOCATE_NONE,
2428 .help = "Alias for 'none'",
2429 },
2c3e17be 2430#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2431 { .ival = "1",
2432 .oval = FIO_FALLOCATE_POSIX,
2433 .help = "Alias for 'posix'",
2434 },
2c3e17be 2435#endif
a596f047
EG		 2436 },
2437 },
cbbdf1c8 2438#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA		 2439 {
2440 .name = "fallocate",
2441 .lname = "Fallocate",
2442 .type = FIO_OPT_UNSUPPORTED,
2443 .help = "Your platform does not support fallocate",
2444 },
cbbdf1c8 2445#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA		 2446 {
2447 .name = "fadvise_hint",
e8b0e958 2448 .lname = "Fadvise hint",
ecb2083d 2449 .type = FIO_OPT_STR,
a609f12a 2450 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2451 .posval = {
2452 { .ival = "0",
2453 .oval = F_ADV_NONE,
c712c97a 2454 .help = "Don't issue fadvise/madvise",
ecb2083d
JA		 2455 },
2456 { .ival = "1",
2457 .oval = F_ADV_TYPE,
2458 .help = "Advise using fio IO pattern",
2459 },
2460 { .ival = "random",
2461 .oval = F_ADV_RANDOM,
2462 .help = "Advise using FADV_RANDOM",
2463 },
2464 { .ival = "sequential",
2465 .oval = F_ADV_SEQUENTIAL,
2466 .help = "Advise using FADV_SEQUENTIAL",
2467 },
2468 },
67a1000f
JA		 2469 .help = "Use fadvise() to advise the kernel on IO pattern",
2470 .def = "1",
e8b0e958
JA		 2471 .category = FIO_OPT_C_FILE,
2472 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2473 },
2474 {
2475 .name = "fsync",
e8b0e958 2476 .lname = "Fsync",
214e1eca 2477 .type = FIO_OPT_INT,
a609f12a 2478 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2479 .help = "Issue fsync for writes every given number of blocks",
2480 .def = "0",
20eb06bd 2481 .interval = 1,
e8b0e958
JA		 2482 .category = FIO_OPT_C_FILE,
2483 .group = FIO_OPT_G_INVALID,
214e1eca 2484 },
5f9099ea
JA		 2485 {
2486 .name = "fdatasync",
e8b0e958 2487 .lname = "Fdatasync",
5f9099ea 2488 .type = FIO_OPT_INT,
a609f12a 2489 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2490 .help = "Issue fdatasync for writes every given number of blocks",
2491 .def = "0",
20eb06bd 2492 .interval = 1,
e8b0e958
JA		 2493 .category = FIO_OPT_C_FILE,
2494 .group = FIO_OPT_G_INVALID,
5f9099ea 2495 },
1ef2b6be
JA		 2496 {
2497 .name = "write_barrier",
e8b0e958 2498 .lname = "Write barrier",
1ef2b6be 2499 .type = FIO_OPT_INT,
a609f12a 2500 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2501 .help = "Make every Nth write a barrier write",
2502 .def = "0",
20eb06bd 2503 .interval = 1,
e8b0e958
JA		 2504 .category = FIO_OPT_C_IO,
2505 .group = FIO_OPT_G_INVALID,
1ef2b6be 2506 },
67bf9823 2507#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2508 {
2509 .name = "sync_file_range",
e8b0e958 2510 .lname = "Sync file range",
44f29692
JA		 2511 .posval = {
2512 { .ival = "wait_before",
2513 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2514 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2515 .orval = 1,
44f29692
JA		 2516 },
2517 { .ival = "write",
2518 .oval = SYNC_FILE_RANGE_WRITE,
2519 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2520 .orval = 1,
44f29692
JA		 2521 },
2522 {
2523 .ival = "wait_after",
2524 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2525 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2526 .orval = 1,
44f29692
JA		 2527 },
2528 },
3843deb3 2529 .type = FIO_OPT_STR_MULTI,
44f29692 2530 .cb = str_sfr_cb,
a609f12a 2531 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2532 .help = "Use sync_file_range()",
e8b0e958
JA		 2533 .category = FIO_OPT_C_FILE,
2534 .group = FIO_OPT_G_INVALID,
44f29692 2535 },
a275c37a 2536#else
54d0a315 2537 {
a275c37a
JA		 2538 .name = "sync_file_range",
2539 .lname = "Sync file range",
2540 .type = FIO_OPT_UNSUPPORTED,
2541 .help = "Your platform does not support sync_file_range",
2542 },
44f29692 2543#endif
214e1eca
JA		 2544 {
2545 .name = "direct",
e8b0e958 2546 .lname = "Direct I/O",
214e1eca 2547 .type = FIO_OPT_BOOL,
a609f12a 2548 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2549 .help = "Use O_DIRECT IO (negates buffered)",
2550 .def = "0",
a01a1bc5 2551 .inverse = "buffered",
e8b0e958 2552 .category = FIO_OPT_C_IO,
3ceb458f 2553 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2554 },
d01612f3
CM		 2555 {
2556 .name = "atomic",
2557 .lname = "Atomic I/O",
2558 .type = FIO_OPT_BOOL,
a609f12a 2559 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2560 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2561 .def = "0",
2562 .category = FIO_OPT_C_IO,
2563 .group = FIO_OPT_G_IO_TYPE,
2564 },
214e1eca
JA		 2565 {
2566 .name = "buffered",
e8b0e958 2567 .lname = "Buffered I/O",
214e1eca 2568 .type = FIO_OPT_BOOL,
a609f12a 2569 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2570 .neg = 1,
2571 .help = "Use buffered IO (negates direct)",
2572 .def = "1",
a01a1bc5 2573 .inverse = "direct",
e8b0e958 2574 .category = FIO_OPT_C_IO,
3ceb458f 2575 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2576 },
2577 {
2578 .name = "overwrite",
e8b0e958 2579 .lname = "Overwrite",
214e1eca 2580 .type = FIO_OPT_BOOL,
a609f12a 2581 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2582 .help = "When writing, set whether to overwrite current data",
2583 .def = "0",
e8b0e958
JA		 2584 .category = FIO_OPT_C_FILE,
2585 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2586 },
2587 {
2588 .name = "loops",
e8b0e958 2589 .lname = "Loops",
214e1eca 2590 .type = FIO_OPT_INT,
a609f12a 2591 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2592 .help = "Number of times to run the job",
2593 .def = "1",
20eb06bd 2594 .interval = 1,
e8b0e958 2595 .category = FIO_OPT_C_GENERAL,
a1f6afec 2596 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2597 },
2598 {
2599 .name = "numjobs",
e8b0e958 2600 .lname = "Number of jobs",
214e1eca 2601 .type = FIO_OPT_INT,
a609f12a 2602 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2603 .help = "Duplicate this job this many times",
2604 .def = "1",
20eb06bd 2605 .interval = 1,
e8b0e958 2606 .category = FIO_OPT_C_GENERAL,
a1f6afec 2607 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2608 },
2609 {
2610 .name = "startdelay",
e8b0e958 2611 .lname = "Start delay",
a5737c93 2612 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2613 .off1 = offsetof(struct thread_options, start_delay),
2614 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2615 .help = "Only start job when this period has passed",
2616 .def = "0",
0de5b26f 2617 .is_seconds = 1,
88038bc7 2618 .is_time = 1,
e8b0e958 2619 .category = FIO_OPT_C_GENERAL,
a1f6afec 2620 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2621 },
2622 {
2623 .name = "runtime",
e8b0e958 2624 .lname = "Runtime",
214e1eca
JA		 2625 .alias = "timeout",
2626 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2627 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2628 .help = "Stop workload when this amount of time has passed",
2629 .def = "0",
0de5b26f 2630 .is_seconds = 1,
88038bc7 2631 .is_time = 1,
e8b0e958 2632 .category = FIO_OPT_C_GENERAL,
a1f6afec 2633 .group = FIO_OPT_G_RUNTIME,
214e1eca 2634 },
cf4464ca
JA		 2635 {
2636 .name = "time_based",
e8b0e958 2637 .lname = "Time based",
cf4464ca 2638 .type = FIO_OPT_STR_SET,
a609f12a 2639 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2640 .help = "Keep running until runtime/timeout is met",
e8b0e958 2641 .category = FIO_OPT_C_GENERAL,
a1f6afec 2642 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2643 },
62167762
JC		 2644 {
2645 .name = "verify_only",
2646 .lname = "Verify only",
2647 .type = FIO_OPT_STR_SET,
a609f12a 2648 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2649 .help = "Verifies previously written data is still valid",
2650 .category = FIO_OPT_C_GENERAL,
2651 .group = FIO_OPT_G_RUNTIME,
2652 },
721938ae
JA		 2653 {
2654 .name = "ramp_time",
e8b0e958 2655 .lname = "Ramp time",
721938ae 2656 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2657 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2658 .help = "Ramp up time before measuring performance",
0de5b26f 2659 .is_seconds = 1,
88038bc7 2660 .is_time = 1,
e8b0e958 2661 .category = FIO_OPT_C_GENERAL,
a1f6afec 2662 .group = FIO_OPT_G_RUNTIME,
721938ae 2663 },
c223da83
JA		 2664 {
2665 .name = "clocksource",
e8b0e958 2666 .lname = "Clock source",
c223da83
JA		 2667 .type = FIO_OPT_STR,
2668 .cb = fio_clock_source_cb,
a609f12a 2669 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2670 .help = "What type of timing source to use",
e8b0e958 2671 .category = FIO_OPT_C_GENERAL,
10860056 2672 .group = FIO_OPT_G_CLOCK,
c223da83 2673 .posval = {
67bf9823 2674#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2675 { .ival = "gettimeofday",
2676 .oval = CS_GTOD,
2677 .help = "Use gettimeofday(2) for timing",
2678 },
67bf9823
JA		 2679#endif
2680#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2681 { .ival = "clock_gettime",
2682 .oval = CS_CGETTIME,
2683 .help = "Use clock_gettime(2) for timing",
2684 },
67bf9823 2685#endif
c223da83
JA		 2686#ifdef ARCH_HAVE_CPU_CLOCK
2687 { .ival = "cpu",
2688 .oval = CS_CPUCLOCK,
2689 .help = "Use CPU private clock",
2690 },
2691#endif
2692 },
2693 },
214e1eca
JA		 2694 {
2695 .name = "mem",
d3aad8f2 2696 .alias = "iomem",
e8b0e958 2697 .lname = "I/O Memory",
214e1eca
JA		 2698 .type = FIO_OPT_STR,
2699 .cb = str_mem_cb,
a609f12a 2700 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2701 .help = "Backing type for IO buffers",
2702 .def = "malloc",
e8b0e958
JA		 2703 .category = FIO_OPT_C_IO,
2704 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2705 .posval = {
2706 { .ival = "malloc",
2707 .oval = MEM_MALLOC,
2708 .help = "Use malloc(3) for IO buffers",
2709 },
c8931876 2710#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2711 { .ival = "shm",
2712 .oval = MEM_SHM,
2713 .help = "Use shared memory segments for IO buffers",
2714 },
214e1eca
JA		 2715#ifdef FIO_HAVE_HUGETLB
2716 { .ival = "shmhuge",
2717 .oval = MEM_SHMHUGE,
2718 .help = "Like shm, but use huge pages",
2719 },
c8931876 2720#endif
b370e46a 2721#endif
37c8cdfe
JA		 2722 { .ival = "mmap",
2723 .oval = MEM_MMAP,
2724 .help = "Use mmap(2) (file or anon) for IO buffers",
2725 },
217b0f1d
LG		 2726 { .ival = "mmapshared",
2727 .oval = MEM_MMAPSHARED,
2728 .help = "Like mmap, but use the shared flag",
2729 },
214e1eca
JA		 2730#ifdef FIO_HAVE_HUGETLB
2731 { .ival = "mmaphuge",
2732 .oval = MEM_MMAPHUGE,
2733 .help = "Like mmap, but use huge pages",
2734 },
03553853
YR		 2735#endif
2736#ifdef CONFIG_CUDA
2737 { .ival = "cudamalloc",
2738 .oval = MEM_CUDA_MALLOC,
2739 .help = "Allocate GPU device memory for GPUDirect RDMA",
2740 },
214e1eca
JA		 2741#endif
2742 },
2743 },
d529ee19
JA		 2744 {
2745 .name = "iomem_align",
2746 .alias = "mem_align",
e8b0e958 2747 .lname = "I/O memory alignment",
d529ee19 2748 .type = FIO_OPT_INT,
a609f12a 2749 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2750 .minval = 0,
2751 .help = "IO memory buffer offset alignment",
2752 .def = "0",
2753 .parent = "iomem",
d71c154c 2754 .hide = 1,
e8b0e958
JA		 2755 .category = FIO_OPT_C_IO,
2756 .group = FIO_OPT_G_INVALID,
d529ee19 2757 },
214e1eca
JA		 2758 {
2759 .name = "verify",
e8b0e958 2760 .lname = "Verify",
214e1eca 2761 .type = FIO_OPT_STR,
a609f12a 2762 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2763 .help = "Verify data written",
2764 .def = "0",
e8b0e958 2765 .category = FIO_OPT_C_IO,
3ceb458f 2766 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2767 .posval = {
2768 { .ival = "0",
2769 .oval = VERIFY_NONE,
2770 .help = "Don't do IO verification",
2771 },
fcca4b58
JA		 2772 { .ival = "md5",
2773 .oval = VERIFY_MD5,
2774 .help = "Use md5 checksums for verification",
2775 },
d77a7af3
JA		 2776 { .ival = "crc64",
2777 .oval = VERIFY_CRC64,
2778 .help = "Use crc64 checksums for verification",
2779 },
214e1eca
JA		 2780 { .ival = "crc32",
2781 .oval = VERIFY_CRC32,
2782 .help = "Use crc32 checksums for verification",
2783 },
af497e6a 2784 { .ival = "crc32c-intel",
e3aaafc4
JA		 2785 .oval = VERIFY_CRC32C,
2786 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2787 },
bac39e0e
JA		 2788 { .ival = "crc32c",
2789 .oval = VERIFY_CRC32C,
e3aaafc4 2790 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2791 },
969f7ed3
JA		 2792 { .ival = "crc16",
2793 .oval = VERIFY_CRC16,
2794 .help = "Use crc16 checksums for verification",
2795 },
1e154bdb
JA		 2796 { .ival = "crc7",
2797 .oval = VERIFY_CRC7,
2798 .help = "Use crc7 checksums for verification",
2799 },
7c353ceb
JA		 2800 { .ival = "sha1",
2801 .oval = VERIFY_SHA1,
2802 .help = "Use sha1 checksums for verification",
2803 },
cd14cc10
JA		 2804 { .ival = "sha256",
2805 .oval = VERIFY_SHA256,
2806 .help = "Use sha256 checksums for verification",
2807 },
2808 { .ival = "sha512",
2809 .oval = VERIFY_SHA512,
2810 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2811 },
2812 { .ival = "sha3-224",
2813 .oval = VERIFY_SHA3_224,
2814 .help = "Use sha3-224 checksums for verification",
2815 },
2816 { .ival = "sha3-256",
2817 .oval = VERIFY_SHA3_256,
2818 .help = "Use sha3-256 checksums for verification",
2819 },
2820 { .ival = "sha3-384",
2821 .oval = VERIFY_SHA3_384,
2822 .help = "Use sha3-384 checksums for verification",
2823 },
2824 { .ival = "sha3-512",
2825 .oval = VERIFY_SHA3_512,
2826 .help = "Use sha3-512 checksums for verification",
cd14cc10 2827 },
844ea602
JA		 2828 { .ival = "xxhash",
2829 .oval = VERIFY_XXHASH,
2830 .help = "Use xxhash checksums for verification",
2831 },
b638d82f
RP		 2832 /* Meta information was included into verify_header,
2833 * 'meta' verification is implied by default. */
7437ee87 2834 { .ival = "meta",
b638d82f
RP		 2835 .oval = VERIFY_HDR_ONLY,
2836 .help = "Use io information for verification. "
2837 "Now is implied by default, thus option is obsolete, "
2838 "don't use it",
7437ee87 2839 },
59245381
JA		 2840 { .ival = "pattern",
2841 .oval = VERIFY_PATTERN_NO_HDR,
2842 .help = "Verify strict pattern",
2843 },
36690c9b
JA		 2844 {
2845 .ival = "null",
2846 .oval = VERIFY_NULL,
2847 .help = "Pretend to verify",
2848 },
214e1eca
JA		 2849 },
2850 },
005c565a
JA		 2851 {
2852 .name = "do_verify",
e8b0e958 2853 .lname = "Perform verify step",
68e1f29a 2854 .type = FIO_OPT_BOOL,
a609f12a 2855 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2856 .help = "Run verification stage after write",
2857 .def = "1",
2858 .parent = "verify",
d71c154c 2859 .hide = 1,
e8b0e958
JA		 2860 .category = FIO_OPT_C_IO,
2861 .group = FIO_OPT_G_VERIFY,
005c565a 2862 },
160b966d
JA		 2863 {
2864 .name = "verifysort",
e8b0e958 2865 .lname = "Verify sort",
f31feaa2 2866 .type = FIO_OPT_SOFT_DEPRECATED,
e8b0e958
JA		 2867 .category = FIO_OPT_C_IO,
2868 .group = FIO_OPT_G_VERIFY,
160b966d 2869 },
1ae83d45
JA		 2870 {
2871 .name = "verifysort_nr",
cce2fdfe 2872 .lname = "Verify Sort Nr",
f31feaa2 2873 .type = FIO_OPT_SOFT_DEPRECATED,
836fcc0f
JA		 2874 .category = FIO_OPT_C_IO,
2875 .group = FIO_OPT_G_VERIFY,
1ae83d45 2876 },
3f9f4e26 2877 {
a59e170d 2878 .name = "verify_interval",
e8b0e958 2879 .lname = "Verify interval",
e01b22b8 2880 .type = FIO_OPT_INT,
a609f12a 2881 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2882 .minval = 2 * sizeof(struct verify_header),
a59e170d 2883 .help = "Store verify buffer header every N bytes",
afdf9352 2884 .parent = "verify",
d71c154c 2885 .hide = 1,
20eb06bd 2886 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2887 .category = FIO_OPT_C_IO,
2888 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2889 },
546a9142 2890 {
a59e170d 2891 .name = "verify_offset",
e8b0e958 2892 .lname = "Verify offset",
e01b22b8 2893 .type = FIO_OPT_INT,
a59e170d 2894 .help = "Offset verify header location by N bytes",
a609f12a 2895 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2896 .minval = sizeof(struct verify_header),
afdf9352 2897 .parent = "verify",
d71c154c 2898 .hide = 1,
e8b0e958
JA		 2899 .category = FIO_OPT_C_IO,
2900 .group = FIO_OPT_G_VERIFY,
546a9142 2901 },
e28218f3
SL		 2902 {
2903 .name = "verify_pattern",
e8b0e958 2904 .lname = "Verify pattern",
0e92f873 2905 .type = FIO_OPT_STR,
e28218f3 2906 .cb = str_verify_pattern_cb,
a609f12a 2907 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2908 .help = "Fill pattern for IO buffers",
2909 .parent = "verify",
d71c154c 2910 .hide = 1,
e8b0e958
JA		 2911 .category = FIO_OPT_C_IO,
2912 .group = FIO_OPT_G_VERIFY,
e28218f3 2913 },
a12a3b4d
JA		 2914 {
2915 .name = "verify_fatal",
e8b0e958 2916 .lname = "Verify fatal",
68e1f29a 2917 .type = FIO_OPT_BOOL,
a609f12a 2918 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2919 .def = "0",
2920 .help = "Exit on a single verify failure, don't continue",
2921 .parent = "verify",
d71c154c 2922 .hide = 1,
e8b0e958
JA		 2923 .category = FIO_OPT_C_IO,
2924 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2925 },
b463e936
JA		 2926 {
2927 .name = "verify_dump",
e8b0e958 2928 .lname = "Verify dump",
b463e936 2929 .type = FIO_OPT_BOOL,
a609f12a 2930 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2931 .def = "0",
b463e936
JA		 2932 .help = "Dump contents of good and bad blocks on failure",
2933 .parent = "verify",
d71c154c 2934 .hide = 1,
e8b0e958
JA		 2935 .category = FIO_OPT_C_IO,
2936 .group = FIO_OPT_G_VERIFY,
b463e936 2937 },
e8462bd8
JA		 2938 {
2939 .name = "verify_async",
e8b0e958 2940 .lname = "Verify asynchronously",
e8462bd8 2941 .type = FIO_OPT_INT,
a609f12a 2942 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2943 .def = "0",
2944 .help = "Number of async verifier threads to use",
2945 .parent = "verify",
d71c154c 2946 .hide = 1,
e8b0e958
JA		 2947 .category = FIO_OPT_C_IO,
2948 .group = FIO_OPT_G_VERIFY,
e8462bd8 2949 },
9e144189
JA		 2950 {
2951 .name = "verify_backlog",
e8b0e958 2952 .lname = "Verify backlog",
9e144189 2953 .type = FIO_OPT_STR_VAL,
a609f12a 2954 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2955 .help = "Verify after this number of blocks are written",
2956 .parent = "verify",
d71c154c 2957 .hide = 1,
e8b0e958
JA		 2958 .category = FIO_OPT_C_IO,
2959 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2960 },
2961 {
2962 .name = "verify_backlog_batch",
e8b0e958 2963 .lname = "Verify backlog batch",
9e144189 2964 .type = FIO_OPT_INT,
a609f12a 2965 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2966 .help = "Verify this number of IO blocks",
0d29de83 2967 .parent = "verify",
d71c154c 2968 .hide = 1,
e8b0e958
JA		 2969 .category = FIO_OPT_C_IO,
2970 .group = FIO_OPT_G_VERIFY,
9e144189 2971 },
e8462bd8
JA		 2972#ifdef FIO_HAVE_CPU_AFFINITY
2973 {
2974 .name = "verify_async_cpus",
e8b0e958 2975 .lname = "Async verify CPUs",
e8462bd8
JA		 2976 .type = FIO_OPT_STR,
2977 .cb = str_verify_cpus_allowed_cb,
a609f12a 2978 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2979 .help = "Set CPUs allowed for async verify threads",
2980 .parent = "verify_async",
d71c154c 2981 .hide = 1,
e8b0e958
JA		 2982 .category = FIO_OPT_C_IO,
2983 .group = FIO_OPT_G_VERIFY,
e8462bd8 2984 },
a275c37a
JA		 2985#else
2986 {
2987 .name = "verify_async_cpus",
2988 .lname = "Async verify CPUs",
2989 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2990 .help = "Your platform does not support CPU affinities",
a275c37a 2991 },
0d29de83 2992#endif
51aa2da8
JA		 2993 {
2994 .name = "experimental_verify",
cce2fdfe 2995 .lname = "Experimental Verify",
a609f12a 2996 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2997 .type = FIO_OPT_BOOL,
b31eaac9 2998 .help = "Enable experimental verification",
ca09be4b
JA		 2999 .parent = "verify",
3000 .category = FIO_OPT_C_IO,
3001 .group = FIO_OPT_G_VERIFY,
3002 },
3003 {
3004 .name = "verify_state_load",
3005 .lname = "Load verify state",
a609f12a 3006 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 3007 .type = FIO_OPT_BOOL,
3008 .help = "Load verify termination state",
3009 .parent = "verify",
3010 .category = FIO_OPT_C_IO,
3011 .group = FIO_OPT_G_VERIFY,
3012 },
3013 {
3014 .name = "verify_state_save",
3015 .lname = "Save verify state",
a609f12a 3016 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 3017 .type = FIO_OPT_BOOL,
3018 .def = "1",
3019 .help = "Save verify state on termination",
3020 .parent = "verify",
836fcc0f
JA		 3021 .category = FIO_OPT_C_IO,
3022 .group = FIO_OPT_G_VERIFY,
51aa2da8 3023 },
0d29de83
JA		 3024#ifdef FIO_HAVE_TRIM
3025 {
3026 .name = "trim_percentage",
e8b0e958 3027 .lname = "Trim percentage",
0d29de83 3028 .type = FIO_OPT_INT,
a609f12a 3029 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 3030 .minval = 0,
0d29de83 3031 .maxval = 100,
169c098d 3032 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 3033 .parent = "verify",
3034 .def = "0",
20eb06bd 3035 .interval = 1,
d71c154c 3036 .hide = 1,
e8b0e958
JA		 3037 .category = FIO_OPT_C_IO,
3038 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3039 },
3040 {
3041 .name = "trim_verify_zero",
e8b0e958 3042 .lname = "Verify trim zero",
20eb06bd 3043 .type = FIO_OPT_BOOL,
169c098d 3044 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3045 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3046 .parent = "trim_percentage",
d71c154c 3047 .hide = 1,
0d29de83 3048 .def = "1",
e8b0e958
JA		 3049 .category = FIO_OPT_C_IO,
3050 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3051 },
3052 {
3053 .name = "trim_backlog",
e8b0e958 3054 .lname = "Trim backlog",
0d29de83 3055 .type = FIO_OPT_STR_VAL,
a609f12a 3056 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 3057 .help = "Trim after this number of blocks are written",
3058 .parent = "trim_percentage",
d71c154c 3059 .hide = 1,
20eb06bd 3060 .interval = 1,
e8b0e958
JA		 3061 .category = FIO_OPT_C_IO,
3062 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3063 },
3064 {
3065 .name = "trim_backlog_batch",
e8b0e958 3066 .lname = "Trim backlog batch",
0d29de83 3067 .type = FIO_OPT_INT,
a609f12a 3068 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 3069 .help = "Trim this number of IO blocks",
3070 .parent = "trim_percentage",
d71c154c 3071 .hide = 1,
20eb06bd 3072 .interval = 1,
e8b0e958
JA		 3073 .category = FIO_OPT_C_IO,
3074 .group = FIO_OPT_G_TRIM,
0d29de83 3075 },
a275c37a
JA		 3076#else
3077 {
3078 .name = "trim_percentage",
3079 .lname = "Trim percentage",
3080 .type = FIO_OPT_UNSUPPORTED,
3081 .help = "Fio does not support TRIM on your platform",
3082 },
3083 {
3084 .name = "trim_verify_zero",
3085 .lname = "Verify trim zero",
3086 .type = FIO_OPT_UNSUPPORTED,
3087 .help = "Fio does not support TRIM on your platform",
3088 },
3089 {
3090 .name = "trim_backlog",
3091 .lname = "Trim backlog",
3092 .type = FIO_OPT_UNSUPPORTED,
3093 .help = "Fio does not support TRIM on your platform",
3094 },
3095 {
3096 .name = "trim_backlog_batch",
3097 .lname = "Trim backlog batch",
3098 .type = FIO_OPT_UNSUPPORTED,
3099 .help = "Fio does not support TRIM on your platform",
3100 },
e8462bd8 3101#endif
214e1eca
JA		 3102 {
3103 .name = "write_iolog",
e8b0e958 3104 .lname = "Write I/O log",
214e1eca 3105 .type = FIO_OPT_STR_STORE,
a609f12a 3106 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3107 .help = "Store IO pattern to file",
e8b0e958
JA		 3108 .category = FIO_OPT_C_IO,
3109 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3110 },
3111 {
3112 .name = "read_iolog",
e8b0e958 3113 .lname = "Read I/O log",
214e1eca 3114 .type = FIO_OPT_STR_STORE,
a609f12a 3115 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3116 .help = "Playback IO pattern from file",
e8b0e958
JA		 3117 .category = FIO_OPT_C_IO,
3118 .group = FIO_OPT_G_IOLOG,
214e1eca 3119 },
98e7161c
AK		 3120 {
3121 .name = "read_iolog_chunked",
3122 .lname = "Read I/O log in parts",
3123 .type = FIO_OPT_BOOL,
3124 .off1 = offsetof(struct thread_options, read_iolog_chunked),
3125 .def = "0",
3126 .parent = "read_iolog",
3127 .help = "Parse IO pattern in chunks",
3128 .category = FIO_OPT_C_IO,
3129 .group = FIO_OPT_G_IOLOG,
3130 },
64bbb865
DN		 3131 {
3132 .name = "replay_no_stall",
e8b0e958 3133 .lname = "Don't stall on replay",
20eb06bd 3134 .type = FIO_OPT_BOOL,
a609f12a 3135 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3136 .def = "0",
87e7a972 3137 .parent = "read_iolog",
d71c154c 3138 .hide = 1,
64bbb865 3139 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3140 .category = FIO_OPT_C_IO,
3141 .group = FIO_OPT_G_IOLOG,
64bbb865 3142 },
d1c46c04
DN		 3143 {
3144 .name = "replay_redirect",
e8b0e958 3145 .lname = "Redirect device for replay",
d1c46c04 3146 .type = FIO_OPT_STR_STORE,
a609f12a 3147 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3148 .parent = "read_iolog",
d71c154c 3149 .hide = 1,
d1c46c04 3150 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3151 .category = FIO_OPT_C_IO,
3152 .group = FIO_OPT_G_IOLOG,
d1c46c04 3153 },
0c63576e
JA		 3154 {
3155 .name = "replay_scale",
3156 .lname = "Replace offset scale factor",
3157 .type = FIO_OPT_INT,
a609f12a 3158 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3159 .parent = "read_iolog",
3160 .def = "1",
3161 .help = "Align offsets to this blocksize",
3162 .category = FIO_OPT_C_IO,
3163 .group = FIO_OPT_G_IOLOG,
3164 },
3165 {
3166 .name = "replay_align",
3167 .lname = "Replace alignment",
3168 .type = FIO_OPT_INT,
a609f12a 3169 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3170 .parent = "read_iolog",
3171 .help = "Scale offset down by this factor",
3172 .category = FIO_OPT_C_IO,
3173 .group = FIO_OPT_G_IOLOG,
3174 .pow2 = 1,
3175 },
6dd7fa77
JA		 3176 {
3177 .name = "replay_time_scale",
3178 .lname = "Replay Time Scale",
3179 .type = FIO_OPT_INT,
3180 .off1 = offsetof(struct thread_options, replay_time_scale),
3181 .def = "100",
3182 .minval = 1,
3183 .parent = "read_iolog",
3184 .hide = 1,
3185 .help = "Scale time for replay events",
3186 .category = FIO_OPT_C_IO,
3187 .group = FIO_OPT_G_IOLOG,
3188 },
d7235efb
JA		 3189 {
3190 .name = "replay_skip",
3191 .lname = "Replay Skip",
3192 .type = FIO_OPT_STR,
3193 .cb = str_replay_skip_cb,
3194 .off1 = offsetof(struct thread_options, replay_skip),
3195 .parent = "read_iolog",
3196 .help = "Skip certain IO types (read,write,trim,flush)",
3197 .category = FIO_OPT_C_IO,
3198 .group = FIO_OPT_G_IOLOG,
3199 },
b9921d1a
DZ		 3200 {
3201 .name = "merge_blktrace_file",
3202 .lname = "Merged blktrace output filename",
3203 .type = FIO_OPT_STR_STORE,
3204 .off1 = offsetof(struct thread_options, merge_blktrace_file),
3205 .help = "Merged blktrace output filename",
3206 .category = FIO_OPT_C_IO,
3207 .group = FIO_OPT_G_IOLOG,
3208 },
87a48ada
DZ		 3209 {
3210 .name = "merge_blktrace_scalars",
3211 .lname = "Percentage to scale each trace",
3212 .type = FIO_OPT_FLOAT_LIST,
3213 .off1 = offsetof(struct thread_options, merge_blktrace_scalars),
3214 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3215 .help = "Percentage to scale each trace",
3216 .category = FIO_OPT_C_IO,
3217 .group = FIO_OPT_G_IOLOG,
3218 },
55bfd8c8
DZ		 3219 {
3220 .name = "merge_blktrace_iters",
3221 .lname = "Number of iterations to run per trace",
3222 .type = FIO_OPT_FLOAT_LIST,
3223 .off1 = offsetof(struct thread_options, merge_blktrace_iters),
3224 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3225 .help = "Number of iterations to run per trace",
3226 .category = FIO_OPT_C_IO,
3227 .group = FIO_OPT_G_IOLOG,
3228 },
214e1eca
JA		 3229 {
3230 .name = "exec_prerun",
e8b0e958 3231 .lname = "Pre-execute runnable",
214e1eca 3232 .type = FIO_OPT_STR_STORE,
a609f12a 3233 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3234 .help = "Execute this file prior to running job",
e8b0e958
JA		 3235 .category = FIO_OPT_C_GENERAL,
3236 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3237 },
3238 {
3239 .name = "exec_postrun",
e8b0e958 3240 .lname = "Post-execute runnable",
214e1eca 3241 .type = FIO_OPT_STR_STORE,
a609f12a 3242 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3243 .help = "Execute this file after running job",
e8b0e958
JA		 3244 .category = FIO_OPT_C_GENERAL,
3245 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3246 },
3247#ifdef FIO_HAVE_IOSCHED_SWITCH
3248 {
3249 .name = "ioscheduler",
e8b0e958 3250 .lname = "I/O scheduler",
214e1eca 3251 .type = FIO_OPT_STR_STORE,
a609f12a 3252 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3253 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3254 .category = FIO_OPT_C_FILE,
3255 .group = FIO_OPT_G_INVALID,
214e1eca 3256 },
a275c37a
JA		 3257#else
3258 {
3259 .name = "ioscheduler",
3260 .lname = "I/O scheduler",
3261 .type = FIO_OPT_UNSUPPORTED,
3262 .help = "Your platform does not support IO scheduler switching",
3263 },
214e1eca 3264#endif
7b865a2f
BVA		 3265 {
3266 .name = "zonemode",
3267 .lname = "Zone mode",
3268 .help = "Mode for the zonesize, zonerange and zoneskip parameters",
3269 .type = FIO_OPT_STR,
3270 .off1 = offsetof(struct thread_options, zone_mode),
3271 .def = "none",
3272 .category = FIO_OPT_C_IO,
3273 .group = FIO_OPT_G_ZONE,
3274 .posval = {
3275 { .ival = "none",
3276 .oval = ZONE_MODE_NONE,
3277 .help = "no zoning",
3278 },
3279 { .ival = "strided",
3280 .oval = ZONE_MODE_STRIDED,
3281 .help = "strided mode - random I/O is restricted to a single zone",
3282 },
3283 { .ival = "zbd",
3284 .oval = ZONE_MODE_ZBD,
3285 .help = "zoned block device mode - random I/O selects one of multiple zones randomly",
3286 },
3287 },
3288 },
214e1eca
JA		 3289 {
3290 .name = "zonesize",
e8b0e958 3291 .lname = "Zone size",
214e1eca 3292 .type = FIO_OPT_STR_VAL,
a609f12a 3293 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3294 .help = "Amount of data to read per zone",
3295 .def = "0",
20eb06bd 3296 .interval = 1024 * 1024,
e8b0e958
JA		 3297 .category = FIO_OPT_C_IO,
3298 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3299 },
3300 {
3301 .name = "zonerange",
e8b0e958 3302 .lname = "Zone range",
ed335855 3303 .type = FIO_OPT_STR_VAL,
a609f12a 3304 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3305 .help = "Give size of an IO zone",
3306 .def = "0",
20eb06bd 3307 .interval = 1024 * 1024,
e8b0e958
JA		 3308 .category = FIO_OPT_C_IO,
3309 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3310 },
3311 {
3312 .name = "zoneskip",
e8b0e958 3313 .lname = "Zone skip",
214e1eca 3314 .type = FIO_OPT_STR_VAL,
a609f12a 3315 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3316 .help = "Space between IO zones",
3317 .def = "0",
20eb06bd 3318 .interval = 1024 * 1024,
e8b0e958
JA		 3319 .category = FIO_OPT_C_IO,
3320 .group = FIO_OPT_G_ZONE,
214e1eca 3321 },
bfbdd35b
BVA		 3322 {
3323 .name = "read_beyond_wp",
3324 .lname = "Allow reads beyond the zone write pointer",
3325 .type = FIO_OPT_BOOL,
3326 .off1 = offsetof(struct thread_options, read_beyond_wp),
3327 .help = "Allow reads beyond the zone write pointer",
3328 .def = "0",
3329 .category = FIO_OPT_C_IO,
3330 .group = FIO_OPT_G_INVALID,
3331 },
59b07544
BVA		 3332 {
3333 .name = "max_open_zones",
3334 .lname = "Maximum number of open zones",
3335 .type = FIO_OPT_INT,
3336 .off1 = offsetof(struct thread_options, max_open_zones),
3337 .maxval = FIO_MAX_OPEN_ZBD_ZONES,
3338 .help = "Limit random writes to SMR drives to the specified"
3339 " number of sequential zones",
3340 .def = "0",
3341 .category = FIO_OPT_C_IO,
3342 .group = FIO_OPT_G_INVALID,
3343 },
a7c2b6fc
BVA		 3344 {
3345 .name = "zone_reset_threshold",
3346 .lname = "Zone reset threshold",
3347 .help = "Zoned block device reset threshold",
3348 .type = FIO_OPT_FLOAT_LIST,
3349 .maxlen = 1,
3350 .off1 = offsetof(struct thread_options, zrt),
3351 .minfp = 0,
3352 .maxfp = 1,
3353 .category = FIO_OPT_C_IO,
3354 .group = FIO_OPT_G_ZONE,
3355 },
3356 {
3357 .name = "zone_reset_frequency",
3358 .lname = "Zone reset frequency",
3359 .help = "Zoned block device zone reset frequency in HZ",
3360 .type = FIO_OPT_FLOAT_LIST,
3361 .maxlen = 1,
3362 .off1 = offsetof(struct thread_options, zrf),
3363 .minfp = 0,
3364 .maxfp = 1,
3365 .category = FIO_OPT_C_IO,
3366 .group = FIO_OPT_G_ZONE,
3367 },
214e1eca
JA		 3368 {
3369 .name = "lockmem",
e8b0e958 3370 .lname = "Lock memory",
214e1eca 3371 .type = FIO_OPT_STR_VAL,
a609f12a 3372 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3373 .help = "Lock down this amount of memory (per worker)",
214e1eca 3374 .def = "0",
20eb06bd 3375 .interval = 1024 * 1024,
e8b0e958
JA		 3376 .category = FIO_OPT_C_GENERAL,
3377 .group = FIO_OPT_G_INVALID,
214e1eca 3378 },
214e1eca
JA		 3379 {
3380 .name = "rwmixread",
e8b0e958 3381 .lname = "Read/write mix read",
214e1eca 3382 .type = FIO_OPT_INT,
cb499fc4 3383 .cb = str_rwmix_read_cb,
a609f12a 3384 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3385 .maxval = 100,
3386 .help = "Percentage of mixed workload that is reads",
3387 .def = "50",
20eb06bd 3388 .interval = 5,
90265353 3389 .inverse = "rwmixwrite",
e8b0e958
JA		 3390 .category = FIO_OPT_C_IO,
3391 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3392 },
3393 {
3394 .name = "rwmixwrite",
e8b0e958 3395 .lname = "Read/write mix write",
214e1eca 3396 .type = FIO_OPT_INT,
cb499fc4 3397 .cb = str_rwmix_write_cb,
a609f12a 3398 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3399 .maxval = 100,
3400 .help = "Percentage of mixed workload that is writes",
3401 .def = "50",
20eb06bd 3402 .interval = 5,
90265353 3403 .inverse = "rwmixread",
e8b0e958
JA		 3404 .category = FIO_OPT_C_IO,
3405 .group = FIO_OPT_G_RWMIX,
214e1eca 3406 },
afdf9352
JA		 3407 {
3408 .name = "rwmixcycle",
e8b0e958 3409 .lname = "Read/write mix cycle",
15ca150e 3410 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3411 .category = FIO_OPT_C_IO,
3412 .group = FIO_OPT_G_RWMIX,
afdf9352 3413 },
214e1eca
JA		 3414 {
3415 .name = "nice",
e8b0e958 3416 .lname = "Nice",
214e1eca 3417 .type = FIO_OPT_INT,
a609f12a 3418 .off1 = offsetof(struct thread_options, nice),
214e1eca 3419 .help = "Set job CPU nice value",
11fd6aa8
RC		 3420 .minval = -20,
3421 .maxval = 19,
214e1eca 3422 .def = "0",
20eb06bd 3423 .interval = 1,
e8b0e958 3424 .category = FIO_OPT_C_GENERAL,
10860056 3425 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3426 },
3427#ifdef FIO_HAVE_IOPRIO
3428 {
3429 .name = "prio",
e8b0e958 3430 .lname = "I/O nice priority",
214e1eca 3431 .type = FIO_OPT_INT,
a609f12a 3432 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3433 .help = "Set job IO priority value",
1767bd34
TK		 3434 .minval = IOPRIO_MIN_PRIO,
3435 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3436 .interval = 1,
e8b0e958 3437 .category = FIO_OPT_C_GENERAL,
10860056 3438 .group = FIO_OPT_G_CRED,
214e1eca 3439 },
32ef447a
TK		 3440#else
3441 {
3442 .name = "prio",
3443 .lname = "I/O nice priority",
3444 .type = FIO_OPT_UNSUPPORTED,
3445 .help = "Your platform does not support IO priorities",
3446 },
3447#endif
3448#ifdef FIO_HAVE_IOPRIO_CLASS
3449#ifndef FIO_HAVE_IOPRIO
3450#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3451#endif
214e1eca
JA		 3452 {
3453 .name = "prioclass",
e8b0e958 3454 .lname = "I/O nice priority class",
214e1eca 3455 .type = FIO_OPT_INT,
a609f12a 3456 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3457 .help = "Set job IO priority class",
1767bd34
TK		 3458 .minval = IOPRIO_MIN_PRIO_CLASS,
3459 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3460 .interval = 1,
e8b0e958 3461 .category = FIO_OPT_C_GENERAL,
10860056 3462 .group = FIO_OPT_G_CRED,
214e1eca 3463 },
a275c37a 3464#else
a275c37a
JA		 3465 {
3466 .name = "prioclass",
3467 .lname = "I/O nice priority class",
3468 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3469 .help = "Your platform does not support IO priority classes",
a275c37a 3470 },
214e1eca
JA		 3471#endif
3472 {
3473 .name = "thinktime",
e8b0e958 3474 .lname = "Thinktime",
214e1eca 3475 .type = FIO_OPT_INT,
a609f12a 3476 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3477 .help = "Idle time between IO buffers (usec)",
3478 .def = "0",
88038bc7 3479 .is_time = 1,
e8b0e958 3480 .category = FIO_OPT_C_IO,
3ceb458f 3481 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3482 },
3483 {
3484 .name = "thinktime_spin",
e8b0e958 3485 .lname = "Thinktime spin",
214e1eca 3486 .type = FIO_OPT_INT,
a609f12a 3487 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3488 .help = "Start think time by spinning this amount (usec)",
3489 .def = "0",
88038bc7 3490 .is_time = 1,
afdf9352 3491 .parent = "thinktime",
d71c154c 3492 .hide = 1,
e8b0e958 3493 .category = FIO_OPT_C_IO,
3ceb458f 3494 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3495 },
3496 {
3497 .name = "thinktime_blocks",
e8b0e958 3498 .lname = "Thinktime blocks",
214e1eca 3499 .type = FIO_OPT_INT,
a609f12a 3500 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3501 .help = "IO buffer period between 'thinktime'",
3502 .def = "1",
afdf9352 3503 .parent = "thinktime",
d71c154c 3504 .hide = 1,
e8b0e958 3505 .category = FIO_OPT_C_IO,
3ceb458f 3506 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3507 },
3508 {
3509 .name = "rate",
e8b0e958 3510 .lname = "I/O rate",
e01b22b8 3511 .type = FIO_OPT_INT,
a609f12a
JA		 3512 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3513 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3514 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3515 .help = "Set bandwidth rate",
e8b0e958
JA		 3516 .category = FIO_OPT_C_IO,
3517 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3518 },
3519 {
6d428bcd
JA		 3520 .name = "rate_min",
3521 .alias = "ratemin",
e8b0e958 3522 .lname = "I/O min rate",
e01b22b8 3523 .type = FIO_OPT_INT,
a609f12a
JA		 3524 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3525 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3526 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3527 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3528 .parent = "rate",
d71c154c 3529 .hide = 1,
e8b0e958
JA		 3530 .category = FIO_OPT_C_IO,
3531 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3532 },
3533 {
3534 .name = "rate_iops",
e8b0e958 3535 .lname = "I/O rate IOPS",
e01b22b8 3536 .type = FIO_OPT_INT,
a609f12a
JA		 3537 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3538 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3539 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3540 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3541 .hide = 1,
e8b0e958
JA		 3542 .category = FIO_OPT_C_IO,
3543 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3544 },
3545 {
3546 .name = "rate_iops_min",
e8b0e958 3547 .lname = "I/O min rate IOPS",
e01b22b8 3548 .type = FIO_OPT_INT,
a609f12a
JA		 3549 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3550 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3551 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3552 .help = "Job must meet this rate or it will be shut down",
afdf9352 3553 .parent = "rate_iops",
d71c154c 3554 .hide = 1,
e8b0e958
JA		 3555 .category = FIO_OPT_C_IO,
3556 .group = FIO_OPT_G_RATE,
214e1eca 3557 },
ff6bb260 3558 {
6de65959
JA		 3559 .name = "rate_process",
3560 .lname = "Rate Process",
3561 .type = FIO_OPT_STR,
a609f12a 3562 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3563 .help = "What process controls how rated IO is managed",
3564 .def = "linear",
ff6bb260
SL		 3565 .category = FIO_OPT_C_IO,
3566 .group = FIO_OPT_G_RATE,
6de65959
JA		 3567 .posval = {
3568 { .ival = "linear",
3569 .oval = RATE_PROCESS_LINEAR,
3570 .help = "Linear rate of IO",
3571 },
3572 {
3573 .ival = "poisson",
3574 .oval = RATE_PROCESS_POISSON,
3575 .help = "Rate follows Poisson process",
3576 },
3577 },
3578 .parent = "rate",
ff6bb260 3579 },
214e1eca 3580 {
6d428bcd
JA		 3581 .name = "rate_cycle",
3582 .alias = "ratecycle",
e8b0e958 3583 .lname = "I/O rate cycle",
214e1eca 3584 .type = FIO_OPT_INT,
a609f12a 3585 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3586 .help = "Window average for rate limits (msec)",
3587 .def = "1000",
afdf9352 3588 .parent = "rate",
d71c154c 3589 .hide = 1,
e8b0e958
JA		 3590 .category = FIO_OPT_C_IO,
3591 .group = FIO_OPT_G_RATE,
214e1eca 3592 },
1a9bf814
JA		 3593 {
3594 .name = "rate_ignore_thinktime",
3595 .lname = "Rate ignore thinktime",
3596 .type = FIO_OPT_BOOL,
3597 .off1 = offsetof(struct thread_options, rate_ign_think),
3598 .help = "Rated IO ignores thinktime settings",
3599 .parent = "rate",
3600 .category = FIO_OPT_C_IO,
3601 .group = FIO_OPT_G_RATE,
3602 },
15501535
JA		 3603 {
3604 .name = "max_latency",
dd97d866 3605 .lname = "Max Latency (usec)",
6c3fb04c 3606 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3607 .off1 = offsetof(struct thread_options, max_latency),
15501535 3608 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3609 .is_time = 1,
1e5324e7 3610 .category = FIO_OPT_C_IO,
3e260a46
JA		 3611 .group = FIO_OPT_G_LATPROF,
3612 },
3613 {
3614 .name = "latency_target",
3615 .lname = "Latency Target (usec)",
3616 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3617 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3618 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3619 .is_time = 1,
3e260a46
JA		 3620 .category = FIO_OPT_C_IO,
3621 .group = FIO_OPT_G_LATPROF,
3622 },
3623 {
3624 .name = "latency_window",
3625 .lname = "Latency Window (usec)",
3626 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3627 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3628 .help = "Time to sustain latency_target",
88038bc7 3629 .is_time = 1,
3e260a46
JA		 3630 .category = FIO_OPT_C_IO,
3631 .group = FIO_OPT_G_LATPROF,
3632 },
3633 {
3634 .name = "latency_percentile",
3635 .lname = "Latency Percentile",
3636 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3637 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3638 .help = "Percentile of IOs must be below latency_target",
3639 .def = "100",
3640 .maxlen = 1,
3641 .minfp = 0.0,
3642 .maxfp = 100.0,
3643 .category = FIO_OPT_C_IO,
3644 .group = FIO_OPT_G_LATPROF,
15501535 3645 },
214e1eca
JA		 3646 {
3647 .name = "invalidate",
e8b0e958 3648 .lname = "Cache invalidate",
214e1eca 3649 .type = FIO_OPT_BOOL,
a609f12a 3650 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3651 .help = "Invalidate buffer/page cache prior to running job",
3652 .def = "1",
e8b0e958 3653 .category = FIO_OPT_C_IO,
3ceb458f 3654 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3655 },
3656 {
3657 .name = "sync",
e8b0e958 3658 .lname = "Synchronous I/O",
214e1eca 3659 .type = FIO_OPT_BOOL,
a609f12a 3660 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3661 .help = "Use O_SYNC for buffered writes",
3662 .def = "0",
67a1000f 3663 .parent = "buffered",
d71c154c 3664 .hide = 1,
e8b0e958 3665 .category = FIO_OPT_C_IO,
3ceb458f 3666 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3667 },
ae8e559e
JA		 3668#ifdef FIO_HAVE_WRITE_HINT
3669 {
3670 .name = "write_hint",
3671 .lname = "Write hint",
3672 .type = FIO_OPT_STR,
3673 .off1 = offsetof(struct thread_options, write_hint),
3674 .help = "Set expected write life time",
3675 .category = FIO_OPT_C_ENGINE,
3676 .group = FIO_OPT_G_INVALID,
3677 .posval = {
3678 { .ival = "none",
3679 .oval = RWH_WRITE_LIFE_NONE,
3680 },
3681 { .ival = "short",
3682 .oval = RWH_WRITE_LIFE_SHORT,
3683 },
3684 { .ival = "medium",
3685 .oval = RWH_WRITE_LIFE_MEDIUM,
3686 },
3687 { .ival = "long",
3688 .oval = RWH_WRITE_LIFE_LONG,
3689 },
3690 { .ival = "extreme",
3691 .oval = RWH_WRITE_LIFE_EXTREME,
3692 },
3693 },
3694 },
3695#endif
214e1eca
JA		 3696 {
3697 .name = "create_serialize",
e8b0e958 3698 .lname = "Create serialize",
214e1eca 3699 .type = FIO_OPT_BOOL,
a609f12a 3700 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3701 .help = "Serialize creation of job files",
214e1eca 3702 .def = "1",
e8b0e958
JA		 3703 .category = FIO_OPT_C_FILE,
3704 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3705 },
3706 {
3707 .name = "create_fsync",
e8b0e958 3708 .lname = "Create fsync",
214e1eca 3709 .type = FIO_OPT_BOOL,
a609f12a 3710 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3711 .help = "fsync file after creation",
214e1eca 3712 .def = "1",
e8b0e958
JA		 3713 .category = FIO_OPT_C_FILE,
3714 .group = FIO_OPT_G_INVALID,
214e1eca 3715 },
814452bd
JA		 3716 {
3717 .name = "create_on_open",
e8b0e958 3718 .lname = "Create on open",
814452bd 3719 .type = FIO_OPT_BOOL,
a609f12a 3720 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3721 .help = "Create files when they are opened for IO",
3722 .def = "0",
e8b0e958
JA		 3723 .category = FIO_OPT_C_FILE,
3724 .group = FIO_OPT_G_INVALID,
814452bd 3725 },
25460cf6
JA		 3726 {
3727 .name = "create_only",
cce2fdfe 3728 .lname = "Create Only",
25460cf6 3729 .type = FIO_OPT_BOOL,
a609f12a 3730 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3731 .help = "Only perform file creation phase",
d17fda71 3732 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3733 .def = "0",
3734 },
2378826d
JA		 3735 {
3736 .name = "allow_file_create",
e81ecca3 3737 .lname = "Allow file create",
2378826d 3738 .type = FIO_OPT_BOOL,
a609f12a 3739 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3740 .help = "Permit fio to create files, if they don't exist",
3741 .def = "1",
3742 .category = FIO_OPT_C_FILE,
3743 .group = FIO_OPT_G_FILENAME,
3744 },
e81ecca3
JA		 3745 {
3746 .name = "allow_mounted_write",
3747 .lname = "Allow mounted write",
3748 .type = FIO_OPT_BOOL,
a609f12a 3749 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3750 .help = "Allow writes to a mounted partition",
3751 .def = "0",
3752 .category = FIO_OPT_C_FILE,
3753 .group = FIO_OPT_G_FILENAME,
3754 },
0b9d69ec 3755 {
afad68f7 3756 .name = "pre_read",
e8b0e958 3757 .lname = "Pre-read files",
afad68f7 3758 .type = FIO_OPT_BOOL,
a609f12a 3759 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3760 .help = "Pre-read files before starting official testing",
afad68f7 3761 .def = "0",
e8b0e958
JA		 3762 .category = FIO_OPT_C_FILE,
3763 .group = FIO_OPT_G_INVALID,
afad68f7 3764 },
214e1eca
JA		 3765#ifdef FIO_HAVE_CPU_AFFINITY
3766 {
3767 .name = "cpumask",
e8b0e958 3768 .lname = "CPU mask",
214e1eca
JA		 3769 .type = FIO_OPT_INT,
3770 .cb = str_cpumask_cb,
a609f12a 3771 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3772 .help = "CPU affinity mask",
e8b0e958 3773 .category = FIO_OPT_C_GENERAL,
10860056 3774 .group = FIO_OPT_G_CRED,
214e1eca 3775 },
d2e268b0
JA		 3776 {
3777 .name = "cpus_allowed",
e8b0e958 3778 .lname = "CPUs allowed",
d2e268b0
JA		 3779 .type = FIO_OPT_STR,
3780 .cb = str_cpus_allowed_cb,
a609f12a 3781 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3782 .help = "Set CPUs allowed",
e8b0e958 3783 .category = FIO_OPT_C_GENERAL,
10860056 3784 .group = FIO_OPT_G_CRED,
d2e268b0 3785 },
c2acfbac
JA		 3786 {
3787 .name = "cpus_allowed_policy",
3788 .lname = "CPUs allowed distribution policy",
3789 .type = FIO_OPT_STR,
a609f12a 3790 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3791 .help = "Distribution policy for cpus_allowed",
3792 .parent = "cpus_allowed",
3793 .prio = 1,
3794 .posval = {
3795 { .ival = "shared",
3796 .oval = FIO_CPUS_SHARED,
3797 .help = "Mask shared between threads",
3798 },
3799 { .ival = "split",
3800 .oval = FIO_CPUS_SPLIT,
3801 .help = "Mask split between threads",
3802 },
3803 },
3804 .category = FIO_OPT_C_GENERAL,
3805 .group = FIO_OPT_G_CRED,
3806 },
a275c37a
JA		 3807#else
3808 {
3809 .name = "cpumask",
3810 .lname = "CPU mask",
3811 .type = FIO_OPT_UNSUPPORTED,
3812 .help = "Your platform does not support CPU affinities",
3813 },
3814 {
3815 .name = "cpus_allowed",
3816 .lname = "CPUs allowed",
3817 .type = FIO_OPT_UNSUPPORTED,
3818 .help = "Your platform does not support CPU affinities",
3819 },
3820 {
3821 .name = "cpus_allowed_policy",
3822 .lname = "CPUs allowed distribution policy",
3823 .type = FIO_OPT_UNSUPPORTED,
3824 .help = "Your platform does not support CPU affinities",
3825 },
d0b937ed 3826#endif
67bf9823 3827#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3828 {
3829 .name = "numa_cpu_nodes",
cce2fdfe 3830 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3831 .type = FIO_OPT_STR,
3832 .cb = str_numa_cpunodes_cb,
a609f12a 3833 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3834 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3835 .category = FIO_OPT_C_GENERAL,
3836 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3837 },
3838 {
3839 .name = "numa_mem_policy",
cce2fdfe 3840 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3841 .type = FIO_OPT_STR,
3842 .cb = str_numa_mpol_cb,
a609f12a 3843 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3844 .help = "NUMA memory policy setup",
6be54b2d
JA		 3845 .category = FIO_OPT_C_GENERAL,
3846 .group = FIO_OPT_G_INVALID,
d0b937ed 3847 },
a275c37a
JA		 3848#else
3849 {
3850 .name = "numa_cpu_nodes",
3851 .lname = "NUMA CPU Nodes",
3852 .type = FIO_OPT_UNSUPPORTED,
3853 .help = "Build fio with libnuma-dev(el) to enable this option",
3854 },
3855 {
3856 .name = "numa_mem_policy",
3857 .lname = "NUMA Memory Policy",
3858 .type = FIO_OPT_UNSUPPORTED,
3859 .help = "Build fio with libnuma-dev(el) to enable this option",
3860 },
03553853
YR		 3861#endif
3862#ifdef CONFIG_CUDA
3863 {
3864 .name = "gpu_dev_id",
3865 .lname = "GPU device ID",
3866 .type = FIO_OPT_INT,
3867 .off1 = offsetof(struct thread_options, gpu_dev_id),
3868 .help = "Set GPU device ID for GPUDirect RDMA",
3869 .def = "0",
3870 .category = FIO_OPT_C_GENERAL,
3871 .group = FIO_OPT_G_INVALID,
3872 },
214e1eca
JA		 3873#endif
3874 {
3875 .name = "end_fsync",
e8b0e958 3876 .lname = "End fsync",
214e1eca 3877 .type = FIO_OPT_BOOL,
a609f12a 3878 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3879 .help = "Include fsync at the end of job",
3880 .def = "0",
e8b0e958
JA		 3881 .category = FIO_OPT_C_FILE,
3882 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3883 },
3884 {
3885 .name = "fsync_on_close",
e8b0e958 3886 .lname = "Fsync on close",
214e1eca 3887 .type = FIO_OPT_BOOL,
a609f12a 3888 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3889 .help = "fsync files on close",
3890 .def = "0",
e8b0e958
JA		 3891 .category = FIO_OPT_C_FILE,
3892 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3893 },
3894 {
3895 .name = "unlink",
e8b0e958 3896 .lname = "Unlink file",
214e1eca 3897 .type = FIO_OPT_BOOL,
a609f12a 3898 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3899 .help = "Unlink created files after job has completed",
3900 .def = "0",
e8b0e958
JA		 3901 .category = FIO_OPT_C_FILE,
3902 .group = FIO_OPT_G_INVALID,
214e1eca 3903 },
39c1c323 3904 {
3905 .name = "unlink_each_loop",
3906 .lname = "Unlink file after each loop of a job",
3907 .type = FIO_OPT_BOOL,
a609f12a 3908 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3909 .help = "Unlink created files after each loop in a job has completed",
3910 .def = "0",
3911 .category = FIO_OPT_C_FILE,
3912 .group = FIO_OPT_G_INVALID,
3913 },
214e1eca
JA		 3914 {
3915 .name = "exitall",
e8b0e958 3916 .lname = "Exit-all on terminate",
214e1eca
JA		 3917 .type = FIO_OPT_STR_SET,
3918 .cb = str_exitall_cb,
3919 .help = "Terminate all jobs when one exits",
e8b0e958 3920 .category = FIO_OPT_C_GENERAL,
a1f6afec 3921 .group = FIO_OPT_G_PROCESS,
214e1eca 3922 },
f9cafb12
JA		 3923 {
3924 .name = "exitall_on_error",
3925 .lname = "Exit-all on terminate in error",
78abcf9b 3926 .type = FIO_OPT_STR_SET,
a609f12a 3927 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3928 .help = "Terminate all jobs when one exits in error",
3929 .category = FIO_OPT_C_GENERAL,
3930 .group = FIO_OPT_G_PROCESS,
3931 },
214e1eca
JA		 3932 {
3933 .name = "stonewall",
e8b0e958 3934 .lname = "Wait for previous",
d392365e 3935 .alias = "wait_for_previous",
214e1eca 3936 .type = FIO_OPT_STR_SET,
a609f12a 3937 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3938 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3939 .category = FIO_OPT_C_GENERAL,
a1f6afec 3940 .group = FIO_OPT_G_PROCESS,
214e1eca 3941 },
b3d62a75
JA		 3942 {
3943 .name = "new_group",
e8b0e958 3944 .lname = "New group",
b3d62a75 3945 .type = FIO_OPT_STR_SET,
a609f12a 3946 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3947 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3948 .category = FIO_OPT_C_GENERAL,
a1f6afec 3949 .group = FIO_OPT_G_PROCESS,
b3d62a75 3950 },
214e1eca
JA		 3951 {
3952 .name = "thread",
e8b0e958 3953 .lname = "Thread",
214e1eca 3954 .type = FIO_OPT_STR_SET,
a609f12a 3955 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3956 .help = "Use threads instead of processes",
c8931876
JA		 3957#ifdef CONFIG_NO_SHM
3958 .def = "1",
3959 .no_warn_def = 1,
3960#endif
e8b0e958 3961 .category = FIO_OPT_C_GENERAL,
a1f6afec 3962 .group = FIO_OPT_G_PROCESS,
214e1eca 3963 },
3a5db920
JA		 3964 {
3965 .name = "per_job_logs",
cce2fdfe 3966 .lname = "Per Job Logs",
3a5db920 3967 .type = FIO_OPT_BOOL,
a609f12a 3968 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3969 .help = "Include job number in generated log files or not",
3970 .def = "1",
3971 .category = FIO_OPT_C_LOG,
3972 .group = FIO_OPT_G_INVALID,
3973 },
214e1eca
JA		 3974 {
3975 .name = "write_bw_log",
e8b0e958 3976 .lname = "Write bandwidth log",
dded427c 3977 .type = FIO_OPT_STR,
a609f12a 3978 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3979 .cb = str_write_bw_log_cb,
214e1eca 3980 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3981 .category = FIO_OPT_C_LOG,
3982 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3983 },
3984 {
3985 .name = "write_lat_log",
e8b0e958 3986 .lname = "Write latency log",
dded427c 3987 .type = FIO_OPT_STR,
a609f12a 3988 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3989 .cb = str_write_lat_log_cb,
214e1eca 3990 .help = "Write log of latency during run",
e8b0e958
JA		 3991 .category = FIO_OPT_C_LOG,
3992 .group = FIO_OPT_G_INVALID,
214e1eca 3993 },
c8eeb9df
JA		 3994 {
3995 .name = "write_iops_log",
e8b0e958 3996 .lname = "Write IOPS log",
dded427c 3997 .type = FIO_OPT_STR,
a609f12a 3998 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3999 .cb = str_write_iops_log_cb,
c8eeb9df 4000 .help = "Write log of IOPS during run",
e8b0e958
JA		 4001 .category = FIO_OPT_C_LOG,
4002 .group = FIO_OPT_G_INVALID,
c8eeb9df 4003 },
b8bc8cba
JA		 4004 {
4005 .name = "log_avg_msec",
e8b0e958 4006 .lname = "Log averaging (msec)",
b8bc8cba 4007 .type = FIO_OPT_INT,
a609f12a 4008 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 4009 .help = "Average bw/iops/lat logs over this period of time",
4010 .def = "0",
e8b0e958 4011 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 4012 .group = FIO_OPT_G_INVALID,
4013 },
4014 {
4015 .name = "log_hist_msec",
4016 .lname = "Log histograms (msec)",
4017 .type = FIO_OPT_INT,
a609f12a 4018 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 4019 .help = "Dump completion latency histograms at frequency of this time value",
4020 .def = "0",
4021 .category = FIO_OPT_C_LOG,
4022 .group = FIO_OPT_G_INVALID,
4023 },
4024 {
4025 .name = "log_hist_coarseness",
4026 .lname = "Histogram logs coarseness",
4027 .type = FIO_OPT_INT,
a609f12a 4028 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 4029 .help = "Integer in range [0,6]. Higher coarseness outputs"
4030 " fewer histogram bins per sample. The number of bins for"
4031 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
4032 .def = "0",
4033 .category = FIO_OPT_C_LOG,
4034 .group = FIO_OPT_G_INVALID,
4035 },
4036 {
4037 .name = "write_hist_log",
4038 .lname = "Write latency histogram logs",
dded427c 4039 .type = FIO_OPT_STR,
a609f12a 4040 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 4041 .cb = str_write_hist_log_cb,
1e613c9c
KC		 4042 .help = "Write log of latency histograms during run",
4043 .category = FIO_OPT_C_LOG,
e8b0e958 4044 .group = FIO_OPT_G_INVALID,
b8bc8cba 4045 },
e6989e10
JA		 4046 {
4047 .name = "log_max_value",
4048 .lname = "Log maximum instead of average",
4049 .type = FIO_OPT_BOOL,
a609f12a 4050 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 4051 .help = "Log max sample in a window instead of average",
4052 .def = "0",
4053 .category = FIO_OPT_C_LOG,
4054 .group = FIO_OPT_G_INVALID,
4055 },
ae588852
JA		 4056 {
4057 .name = "log_offset",
4058 .lname = "Log offset of IO",
4059 .type = FIO_OPT_BOOL,
a609f12a 4060 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 4061 .help = "Include offset of IO for each log entry",
4062 .def = "0",
4063 .category = FIO_OPT_C_LOG,
4064 .group = FIO_OPT_G_INVALID,
4065 },
aee2ab67
JA		 4066#ifdef CONFIG_ZLIB
4067 {
4068 .name = "log_compression",
4069 .lname = "Log compression",
4070 .type = FIO_OPT_INT,
a609f12a 4071 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 4072 .help = "Log in compressed chunks of this size",
9919b27b 4073 .minval = 1024ULL,
aee2ab67
JA		 4074 .maxval = 512 * 1024 * 1024ULL,
4075 .category = FIO_OPT_C_LOG,
4076 .group = FIO_OPT_G_INVALID,
4077 },
c08f9fe2
JA		 4078#ifdef FIO_HAVE_CPU_AFFINITY
4079 {
4080 .name = "log_compression_cpus",
4081 .lname = "Log Compression CPUs",
4082 .type = FIO_OPT_STR,
4083 .cb = str_log_cpus_allowed_cb,
a609f12a 4084 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 4085 .parent = "log_compression",
4086 .help = "Limit log compression to these CPUs",
4087 .category = FIO_OPT_C_LOG,
4088 .group = FIO_OPT_G_INVALID,
4089 },
a275c37a
JA		 4090#else
4091 {
4092 .name = "log_compression_cpus",
4093 .lname = "Log Compression CPUs",
4094 .type = FIO_OPT_UNSUPPORTED,
4095 .help = "Your platform does not support CPU affinities",
4096 },
c08f9fe2 4097#endif
b26317c9
JA		 4098 {
4099 .name = "log_store_compressed",
4100 .lname = "Log store compressed",
4101 .type = FIO_OPT_BOOL,
a609f12a 4102 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 4103 .help = "Store logs in a compressed format",
4104 .category = FIO_OPT_C_LOG,
4105 .group = FIO_OPT_G_INVALID,
4106 },
a275c37a
JA		 4107#else
4108 {
4109 .name = "log_compression",
4110 .lname = "Log compression",
4111 .type = FIO_OPT_UNSUPPORTED,
4112 .help = "Install libz-dev(el) to get compression support",
4113 },
4114 {
4115 .name = "log_store_compressed",
4116 .lname = "Log store compressed",
4117 .type = FIO_OPT_UNSUPPORTED,
4118 .help = "Install libz-dev(el) to get compression support",
4119 },
aee2ab67 4120#endif
3aea75b1
KC		 4121 {
4122 .name = "log_unix_epoch",
4123 .lname = "Log epoch unix",
4124 .type = FIO_OPT_BOOL,
4125 .off1 = offsetof(struct thread_options, log_unix_epoch),
4126 .help = "Use Unix time in log files",
4127 .category = FIO_OPT_C_LOG,
4128 .group = FIO_OPT_G_INVALID,
4129 },
66347cfa
DE		 4130 {
4131 .name = "block_error_percentiles",
4132 .lname = "Block error percentiles",
4133 .type = FIO_OPT_BOOL,
a609f12a 4134 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 4135 .help = "Record trim block errors and make a histogram",
4136 .def = "0",
4137 .category = FIO_OPT_C_LOG,
4138 .group = FIO_OPT_G_INVALID,
4139 },
c504ee55
JA		 4140 {
4141 .name = "bwavgtime",
4142 .lname = "Bandwidth average time",
4143 .type = FIO_OPT_INT,
a609f12a 4144 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 4145 .help = "Time window over which to calculate bandwidth"
4146 " (msec)",
4147 .def = "500",
4148 .parent = "write_bw_log",
4149 .hide = 1,
4150 .interval = 100,
4151 .category = FIO_OPT_C_LOG,
4152 .group = FIO_OPT_G_INVALID,
4153 },
4154 {
4155 .name = "iopsavgtime",
4156 .lname = "IOPS average time",
4157 .type = FIO_OPT_INT,
a609f12a 4158 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 4159 .help = "Time window over which to calculate IOPS (msec)",
4160 .def = "500",
4161 .parent = "write_iops_log",
4162 .hide = 1,
4163 .interval = 100,
4164 .category = FIO_OPT_C_LOG,
4165 .group = FIO_OPT_G_INVALID,
4166 },
214e1eca
JA		 4167 {
4168 .name = "group_reporting",
e8b0e958 4169 .lname = "Group reporting",
d2507043 4170 .type = FIO_OPT_STR_SET,
a609f12a 4171 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 4172 .help = "Do reporting on a per-group basis",
10860056 4173 .category = FIO_OPT_C_STAT,
e8b0e958 4174 .group = FIO_OPT_G_INVALID,
214e1eca 4175 },
8243be59
JA		 4176 {
4177 .name = "stats",
4178 .lname = "Stats",
4179 .type = FIO_OPT_BOOL,
4180 .off1 = offsetof(struct thread_options, stats),
4181 .help = "Enable collection of stats",
4182 .def = "1",
4183 .category = FIO_OPT_C_STAT,
4184 .group = FIO_OPT_G_INVALID,
4185 },
e9459e5a
JA		 4186 {
4187 .name = "zero_buffers",
e8b0e958 4188 .lname = "Zero I/O buffers",
e9459e5a 4189 .type = FIO_OPT_STR_SET,
a609f12a 4190 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4191 .help = "Init IO buffers to all zeroes",
e8b0e958 4192 .category = FIO_OPT_C_IO,
3ceb458f 4193 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4194 },
5973cafb
JA		 4195 {
4196 .name = "refill_buffers",
e8b0e958 4197 .lname = "Refill I/O buffers",
5973cafb 4198 .type = FIO_OPT_STR_SET,
a609f12a 4199 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4200 .help = "Refill IO buffers on every IO submit",
e8b0e958 4201 .category = FIO_OPT_C_IO,
3ceb458f 4202 .group = FIO_OPT_G_IO_BUF,
5973cafb 4203 },
fd68418e
JA		 4204 {
4205 .name = "scramble_buffers",
e8b0e958 4206 .lname = "Scramble I/O buffers",
fd68418e 4207 .type = FIO_OPT_BOOL,
a609f12a 4208 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4209 .help = "Slightly scramble buffers on every IO submit",
4210 .def = "1",
e8b0e958 4211 .category = FIO_OPT_C_IO,
3ceb458f 4212 .group = FIO_OPT_G_IO_BUF,
fd68418e 4213 },
ce35b1ec
JA		 4214 {
4215 .name = "buffer_pattern",
4216 .lname = "Buffer pattern",
4217 .type = FIO_OPT_STR,
4218 .cb = str_buffer_pattern_cb,
a609f12a 4219 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4220 .help = "Fill pattern for IO buffers",
4221 .category = FIO_OPT_C_IO,
4222 .group = FIO_OPT_G_IO_BUF,
4223 },
9c42684e
JA		 4224 {
4225 .name = "buffer_compress_percentage",
e8b0e958 4226 .lname = "Buffer compression percentage",
9c42684e 4227 .type = FIO_OPT_INT,
bedc9dc2 4228 .cb = str_buffer_compress_cb,
a609f12a 4229 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4230 .maxval = 100,
e7f5de90 4231 .minval = 0,
9c42684e 4232 .help = "How compressible the buffer is (approximately)",
20eb06bd 4233 .interval = 5,
e8b0e958 4234 .category = FIO_OPT_C_IO,
3ceb458f 4235 .group = FIO_OPT_G_IO_BUF,
9c42684e 4236 },
f97a43a1
JA		 4237 {
4238 .name = "buffer_compress_chunk",
e8b0e958 4239 .lname = "Buffer compression chunk size",
f97a43a1 4240 .type = FIO_OPT_INT,
a609f12a 4241 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4242 .parent = "buffer_compress_percentage",
d71c154c 4243 .hide = 1,
f97a43a1 4244 .help = "Size of compressible region in buffer",
1de80624 4245 .def = "512",
20eb06bd 4246 .interval = 256,
e8b0e958 4247 .category = FIO_OPT_C_IO,
3ceb458f 4248 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4249 },
5c94b008
JA		 4250 {
4251 .name = "dedupe_percentage",
4252 .lname = "Dedupe percentage",
4253 .type = FIO_OPT_INT,
4254 .cb = str_dedupe_cb,
a609f12a 4255 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4256 .maxval = 100,
4257 .minval = 0,
4258 .help = "Percentage of buffers that are dedupable",
4259 .interval = 1,
4260 .category = FIO_OPT_C_IO,
4261 .group = FIO_OPT_G_IO_BUF,
4262 },
83349190
YH		 4263 {
4264 .name = "clat_percentiles",
e8b0e958 4265 .lname = "Completion latency percentiles",
83349190 4266 .type = FIO_OPT_BOOL,
a609f12a 4267 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4268 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4269 .def = "1",
b599759b
JA		 4270 .inverse = "lat_percentiles",
4271 .category = FIO_OPT_C_STAT,
4272 .group = FIO_OPT_G_INVALID,
4273 },
4274 {
4275 .name = "lat_percentiles",
4276 .lname = "IO latency percentiles",
4277 .type = FIO_OPT_BOOL,
4278 .off1 = offsetof(struct thread_options, lat_percentiles),
4279 .help = "Enable the reporting of IO latency percentiles",
4280 .def = "0",
4281 .inverse = "clat_percentiles",
e8b0e958
JA		 4282 .category = FIO_OPT_C_STAT,
4283 .group = FIO_OPT_G_INVALID,
83349190
YH		 4284 },
4285 {
4286 .name = "percentile_list",
66347cfa 4287 .lname = "Percentile list",
83349190 4288 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4289 .off1 = offsetof(struct thread_options, percentile_list),
4290 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4291 .help = "Specify a custom list of percentiles to report for "
4292 "completion latency and block errors",
fd112d34 4293 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4294 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4295 .minfp = 0.0,
4296 .maxfp = 100.0,
e8b0e958
JA		 4297 .category = FIO_OPT_C_STAT,
4298 .group = FIO_OPT_G_INVALID,
e883cb35
JF		 4299 },
4300 {
4301 .name = "significant_figures",
4302 .lname = "Significant figures",
4303 .type = FIO_OPT_INT,
4304 .off1 = offsetof(struct thread_options, sig_figs),
4305 .maxval = 10,
4306 .minval = 1,
4307 .help = "Significant figures for output-format set to normal",
4308 .def = "4",
4309 .interval = 1,
4310 .category = FIO_OPT_C_STAT,
4311 .group = FIO_OPT_G_INVALID,
83349190
YH		 4312 },
4313
0a839f30
JA		 4314#ifdef FIO_HAVE_DISK_UTIL
4315 {
4316 .name = "disk_util",
e8b0e958 4317 .lname = "Disk utilization",
0a839f30 4318 .type = FIO_OPT_BOOL,
a609f12a 4319 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4320 .help = "Log disk utilization statistics",
0a839f30 4321 .def = "1",
e8b0e958
JA		 4322 .category = FIO_OPT_C_STAT,
4323 .group = FIO_OPT_G_INVALID,
0a839f30 4324 },
a275c37a
JA		 4325#else
4326 {
4327 .name = "disk_util",
4328 .lname = "Disk utilization",
4329 .type = FIO_OPT_UNSUPPORTED,
4330 .help = "Your platform does not support disk utilization",
4331 },
0a839f30 4332#endif
993bf48b
JA		 4333 {
4334 .name = "gtod_reduce",
e8b0e958 4335 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4336 .type = FIO_OPT_BOOL,
4337 .help = "Greatly reduce number of gettimeofday() calls",
4338 .cb = str_gtod_reduce_cb,
4339 .def = "0",
a4ed77fe 4340 .hide_on_set = 1,
e8b0e958
JA		 4341 .category = FIO_OPT_C_STAT,
4342 .group = FIO_OPT_G_INVALID,
993bf48b 4343 },
02af0988
JA		 4344 {
4345 .name = "disable_lat",
e8b0e958 4346 .lname = "Disable all latency stats",
02af0988 4347 .type = FIO_OPT_BOOL,
a609f12a 4348 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4349 .help = "Disable latency numbers",
4350 .parent = "gtod_reduce",
d71c154c 4351 .hide = 1,
02af0988 4352 .def = "0",
e8b0e958
JA		 4353 .category = FIO_OPT_C_STAT,
4354 .group = FIO_OPT_G_INVALID,
02af0988 4355 },
9520ebb9
JA		 4356 {
4357 .name = "disable_clat",
e8b0e958 4358 .lname = "Disable completion latency stats",
9520ebb9 4359 .type = FIO_OPT_BOOL,
a609f12a 4360 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4361 .help = "Disable completion latency numbers",
993bf48b 4362 .parent = "gtod_reduce",
d71c154c 4363 .hide = 1,
9520ebb9 4364 .def = "0",
e8b0e958
JA		 4365 .category = FIO_OPT_C_STAT,
4366 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4367 },
4368 {
4369 .name = "disable_slat",
e8b0e958 4370 .lname = "Disable submission latency stats",
9520ebb9 4371 .type = FIO_OPT_BOOL,
a609f12a 4372 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4373 .help = "Disable submission latency numbers",
993bf48b 4374 .parent = "gtod_reduce",
d71c154c 4375 .hide = 1,
9520ebb9 4376 .def = "0",
e8b0e958
JA		 4377 .category = FIO_OPT_C_STAT,
4378 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4379 },
4380 {
4381 .name = "disable_bw_measurement",
afd2ceff 4382 .alias = "disable_bw",
e8b0e958 4383 .lname = "Disable bandwidth stats",
9520ebb9 4384 .type = FIO_OPT_BOOL,
a609f12a 4385 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4386 .help = "Disable bandwidth logging",
993bf48b 4387 .parent = "gtod_reduce",
d71c154c 4388 .hide = 1,
9520ebb9 4389 .def = "0",
e8b0e958
JA		 4390 .category = FIO_OPT_C_STAT,
4391 .group = FIO_OPT_G_INVALID,
9520ebb9 4392 },
be4ecfdf
JA		 4393 {
4394 .name = "gtod_cpu",
e8b0e958 4395 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4396 .type = FIO_OPT_INT,
a609f12a 4397 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4398 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4399 .verify = gtod_cpu_verify,
e8b0e958 4400 .category = FIO_OPT_C_GENERAL,
10860056 4401 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4402 },
771e58be
JA		 4403 {
4404 .name = "unified_rw_reporting",
cce2fdfe 4405 .lname = "Unified RW Reporting",
771e58be 4406 .type = FIO_OPT_BOOL,
a609f12a 4407 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4408 .help = "Unify reporting across data direction",
4409 .def = "0",
90b7a96d
JA		 4410 .category = FIO_OPT_C_GENERAL,
4411 .group = FIO_OPT_G_INVALID,
771e58be 4412 },
f2bba182
RR		 4413 {
4414 .name = "continue_on_error",
e8b0e958 4415 .lname = "Continue on error",
06842027 4416 .type = FIO_OPT_STR,
a609f12a 4417 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4418 .help = "Continue on non-fatal errors during IO",
06842027 4419 .def = "none",
e8b0e958 4420 .category = FIO_OPT_C_GENERAL,
bc3f552f 4421 .group = FIO_OPT_G_ERR,
06842027
SL		 4422 .posval = {
4423 { .ival = "none",
4424 .oval = ERROR_TYPE_NONE,
4425 .help = "Exit when an error is encountered",
4426 },
4427 { .ival = "read",
4428 .oval = ERROR_TYPE_READ,
4429 .help = "Continue on read errors only",
4430 },
4431 { .ival = "write",
4432 .oval = ERROR_TYPE_WRITE,
4433 .help = "Continue on write errors only",
4434 },
4435 { .ival = "io",
4436 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4437 .help = "Continue on any IO errors",
4438 },
4439 { .ival = "verify",
4440 .oval = ERROR_TYPE_VERIFY,
4441 .help = "Continue on verify errors only",
4442 },
4443 { .ival = "all",
4444 .oval = ERROR_TYPE_ANY,
4445 .help = "Continue on all io and verify errors",
4446 },
4447 { .ival = "0",
4448 .oval = ERROR_TYPE_NONE,
4449 .help = "Alias for 'none'",
4450 },
4451 { .ival = "1",
4452 .oval = ERROR_TYPE_ANY,
4453 .help = "Alias for 'all'",
4454 },
4455 },
f2bba182 4456 },
8b28bd41
DM		 4457 {
4458 .name = "ignore_error",
cce2fdfe 4459 .lname = "Ignore Error",
8b28bd41
DM		 4460 .type = FIO_OPT_STR,
4461 .cb = str_ignore_error_cb,
a609f12a 4462 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4463 .help = "Set a specific list of errors to ignore",
4464 .parent = "rw",
a94eb99a 4465 .category = FIO_OPT_C_GENERAL,
bc3f552f 4466 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4467 },
4468 {
4469 .name = "error_dump",
cce2fdfe 4470 .lname = "Error Dump",
8b28bd41 4471 .type = FIO_OPT_BOOL,
a609f12a 4472 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4473 .def = "0",
4474 .help = "Dump info on each error",
a94eb99a 4475 .category = FIO_OPT_C_GENERAL,
bc3f552f 4476 .group = FIO_OPT_G_ERR,
8b28bd41 4477 },
9ac8a797
JA		 4478 {
4479 .name = "profile",
e8b0e958 4480 .lname = "Profile",
79d16311 4481 .type = FIO_OPT_STR_STORE,
a609f12a 4482 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4483 .help = "Select a specific builtin performance test",
13fca827 4484 .category = FIO_OPT_C_PROFILE,
e8b0e958 4485 .group = FIO_OPT_G_INVALID,
9ac8a797 4486 },
a696fa2a
JA		 4487 {
4488 .name = "cgroup",
e8b0e958 4489 .lname = "Cgroup",
a696fa2a 4490 .type = FIO_OPT_STR_STORE,
a609f12a 4491 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4492 .help = "Add job to cgroup of this name",
e8b0e958 4493 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4494 .group = FIO_OPT_G_CGROUP,
4495 },
4496 {
4497 .name = "cgroup_nodelete",
4498 .lname = "Cgroup no-delete",
4499 .type = FIO_OPT_BOOL,
a609f12a 4500 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4501 .help = "Do not delete cgroups after job completion",
4502 .def = "0",
4503 .parent = "cgroup",
4504 .category = FIO_OPT_C_GENERAL,
4505 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4506 },
4507 {
4508 .name = "cgroup_weight",
e8b0e958 4509 .lname = "Cgroup weight",
a696fa2a 4510 .type = FIO_OPT_INT,
a609f12a 4511 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4512 .help = "Use given weight for cgroup",
4513 .minval = 100,
4514 .maxval = 1000,
a1f6afec 4515 .parent = "cgroup",
e8b0e958 4516 .category = FIO_OPT_C_GENERAL,
a1f6afec 4517 .group = FIO_OPT_G_CGROUP,
7de87099 4518 },
e0b0d892
JA		 4519 {
4520 .name = "uid",
e8b0e958 4521 .lname = "User ID",
e0b0d892 4522 .type = FIO_OPT_INT,
a609f12a 4523 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4524 .help = "Run job with this user ID",
e8b0e958 4525 .category = FIO_OPT_C_GENERAL,
10860056 4526 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4527 },
4528 {
4529 .name = "gid",
e8b0e958 4530 .lname = "Group ID",
e0b0d892 4531 .type = FIO_OPT_INT,
a609f12a 4532 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4533 .help = "Run job with this group ID",
e8b0e958 4534 .category = FIO_OPT_C_GENERAL,
10860056 4535 .group = FIO_OPT_G_CRED,
e0b0d892 4536 },
a1f6afec
JA		 4537 {
4538 .name = "kb_base",
4539 .lname = "KB Base",
41dd12d6 4540 .type = FIO_OPT_STR,
a609f12a 4541 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4542 .prio = 1,
4543 .def = "1024",
ba9c7219
JA		 4544 .posval = {
4545 { .ival = "1024",
4546 .oval = 1024,
d694a6a7 4547 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4548 },
4549 { .ival = "1000",
4550 .oval = 1000,
d694a6a7 4551 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4552 },
4553 },
d694a6a7 4554 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4555 .category = FIO_OPT_C_GENERAL,
4556 .group = FIO_OPT_G_INVALID,
4557 },
cf3a0518
JA		 4558 {
4559 .name = "unit_base",
d694a6a7 4560 .lname = "Unit for quantities of data (Bits or Bytes)",
92a1a1d7 4561 .type = FIO_OPT_STR,
a609f12a 4562 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4563 .prio = 1,
71a08258
JA		 4564 .posval = {
4565 { .ival = "0",
41a87019 4566 .oval = N2S_NONE,
71a08258
JA		 4567 .help = "Auto-detect",
4568 },
4569 { .ival = "8",
41a87019 4570 .oval = N2S_BYTEPERSEC,
71a08258
JA		 4571 .help = "Normal (byte based)",
4572 },
4573 { .ival = "1",
41a87019 4574 .oval = N2S_BITPERSEC,
71a08258
JA		 4575 .help = "Bit based",
4576 },
4577 },
cf3a0518
JA		 4578 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4579 .category = FIO_OPT_C_GENERAL,
4580 .group = FIO_OPT_G_INVALID,
4581 },
3ceb458f
JA		 4582 {
4583 .name = "hugepage-size",
4584 .lname = "Hugepage size",
4585 .type = FIO_OPT_INT,
a609f12a 4586 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4587 .help = "When using hugepages, specify size of each page",
4588 .def = __fio_stringify(FIO_HUGE_PAGE),
4589 .interval = 1024 * 1024,
4590 .category = FIO_OPT_C_GENERAL,
4591 .group = FIO_OPT_G_INVALID,
4592 },
9e684a49
DE		 4593 {
4594 .name = "flow_id",
e8b0e958 4595 .lname = "I/O flow ID",
9e684a49 4596 .type = FIO_OPT_INT,
a609f12a 4597 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4598 .help = "The flow index ID to use",
4599 .def = "0",
e8b0e958
JA		 4600 .category = FIO_OPT_C_IO,
4601 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4602 },
4603 {
4604 .name = "flow",
e8b0e958 4605 .lname = "I/O flow weight",
9e684a49 4606 .type = FIO_OPT_INT,
a609f12a 4607 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4608 .help = "Weight for flow control of this job",
4609 .parent = "flow_id",
d71c154c 4610 .hide = 1,
9e684a49 4611 .def = "0",
e8b0e958
JA		 4612 .category = FIO_OPT_C_IO,
4613 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4614 },
4615 {
4616 .name = "flow_watermark",
e8b0e958 4617 .lname = "I/O flow watermark",
9e684a49 4618 .type = FIO_OPT_INT,
a609f12a 4619 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4620 .help = "High watermark for flow control. This option"
4621 " should be set to the same value for all threads"
4622 " with non-zero flow.",
4623 .parent = "flow_id",
d71c154c 4624 .hide = 1,
9e684a49 4625 .def = "1024",
e8b0e958
JA		 4626 .category = FIO_OPT_C_IO,
4627 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4628 },
4629 {
4630 .name = "flow_sleep",
e8b0e958 4631 .lname = "I/O flow sleep",
9e684a49 4632 .type = FIO_OPT_INT,
a609f12a 4633 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4634 .help = "How many microseconds to sleep after being held"
4635 " back by the flow control mechanism",
4636 .parent = "flow_id",
d71c154c 4637 .hide = 1,
9e684a49 4638 .def = "0",
e8b0e958
JA		 4639 .category = FIO_OPT_C_IO,
4640 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4641 },
16e56d25
VF		 4642 {
4643 .name = "steadystate",
4644 .lname = "Steady state threshold",
4645 .alias = "ss",
4646 .type = FIO_OPT_STR,
2c5d94bc 4647 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4648 .cb = str_steadystate_cb,
4649 .help = "Define the criterion and limit to judge when a job has reached steady state",
4650 .def = "iops_slope:0.01%",
4651 .posval = {
4652 { .ival = "iops",
f0c50c66 4653 .oval = FIO_SS_IOPS,
16e56d25
VF		 4654 .help = "maximum mean deviation of IOPS measurements",
4655 },
4656 { .ival = "iops_slope",
f0c50c66 4657 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4658 .help = "slope calculated from IOPS measurements",
4659 },
4660 { .ival = "bw",
f0c50c66 4661 .oval = FIO_SS_BW,
16e56d25
VF		 4662 .help = "maximum mean deviation of bandwidth measurements",
4663 },
4664 {
4665 .ival = "bw_slope",
f0c50c66 4666 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4667 .help = "slope calculated from bandwidth measurements",
4668 },
4669 },
4670 .category = FIO_OPT_C_GENERAL,
4671 .group = FIO_OPT_G_RUNTIME,
4672 },
4673 {
4674 .name = "steadystate_duration",
4675 .lname = "Steady state duration",
4676 .alias = "ss_dur",
915ca980 4677 .parent = "steadystate",
16e56d25
VF		 4678 .type = FIO_OPT_STR_VAL_TIME,
4679 .off1 = offsetof(struct thread_options, ss_dur),
4680 .help = "Stop workload upon attaining steady state for specified duration",
4681 .def = "0",
4682 .is_seconds = 1,
4683 .is_time = 1,
4684 .category = FIO_OPT_C_GENERAL,
4685 .group = FIO_OPT_G_RUNTIME,
4686 },
4687 {
4688 .name = "steadystate_ramp_time",
4689 .lname = "Steady state ramp time",
4690 .alias = "ss_ramp",
915ca980 4691 .parent = "steadystate",
16e56d25
VF		 4692 .type = FIO_OPT_STR_VAL_TIME,
4693 .off1 = offsetof(struct thread_options, ss_ramp_time),
4694 .help = "Delay before initiation of data collection for steady state job termination testing",
4695 .def = "0",
4696 .is_seconds = 1,
4697 .is_time = 1,
4698 .category = FIO_OPT_C_GENERAL,
4699 .group = FIO_OPT_G_RUNTIME,
4700 },
214e1eca
JA		 4701 {
4702 .name = NULL,
4703 },
4704};
4705
17af15d4 4706static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4707 const char *name, int val)
9f81736c 4708{
17af15d4 4709 lopt->name = (char *) name;
de890a1e 4710 lopt->val = val;
9f81736c 4711 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4712 lopt->has_arg = optional_argument;
9f81736c
JA		 4713 else
4714 lopt->has_arg = required_argument;
4715}
4716
de890a1e
SL		 4717static void options_to_lopts(struct fio_option *opts,
4718 struct option *long_options,
4719 int i, int option_type)
214e1eca 4720{
de890a1e 4721 struct fio_option *o = &opts[0];
214e1eca 4722 while (o->name) {
de890a1e 4723 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4724 if (o->alias) {
4725 i++;
de890a1e 4726 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4727 }
214e1eca
JA		 4728
4729 i++;
4730 o++;
4731 assert(i < FIO_NR_OPTIONS);
4732 }
4733}
4734
de890a1e
SL		 4735void fio_options_set_ioengine_opts(struct option *long_options,
4736 struct thread_data *td)
4737{
4738 unsigned int i;
4739
4740 i = 0;
4741 while (long_options[i].name) {
4742 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4743 memset(&long_options[i], 0, sizeof(*long_options));
4744 break;
4745 }
4746 i++;
4747 }
4748
4749 /*
4750 * Just clear out the prior ioengine options.
4751 */
4752 if (!td || !td->eo)
4753 return;
4754
4755 options_to_lopts(td->io_ops->options, long_options, i,
4756 FIO_GETOPT_IOENGINE);
4757}
4758
4759void fio_options_dup_and_init(struct option *long_options)
4760{
4761 unsigned int i;
4762
9af4a244 4763 options_init(fio_options);
de890a1e
SL		 4764
4765 i = 0;
4766 while (long_options[i].name)
4767 i++;
4768
9af4a244 4769 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4770}
4771
74929ac2
JA		 4772struct fio_keyword {
4773 const char *word;
4774 const char *desc;
4775 char *replace;
4776};
4777
4778static struct fio_keyword fio_keywords[] = {
4779 {
4780 .word = "$pagesize",
4781 .desc = "Page size in the system",
4782 },
4783 {
4784 .word = "$mb_memory",
4785 .desc = "Megabytes of memory online",
4786 },
4787 {
4788 .word = "$ncpus",
4789 .desc = "Number of CPUs online in the system",
4790 },
4791 {
4792 .word = NULL,
4793 },
4794};
4795
af1dc266
JA		 4796void fio_keywords_exit(void)
4797{
4798 struct fio_keyword *kw;
4799
4800 kw = &fio_keywords[0];
4801 while (kw->word) {
4802 free(kw->replace);
4803 kw->replace = NULL;
4804 kw++;
4805 }
4806}
4807
74929ac2
JA		 4808void fio_keywords_init(void)
4809{
3b2e1464 4810 unsigned long long mb_memory;
74929ac2
JA		 4811 char buf[128];
4812 long l;
4813
a4cfc477 4814 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4815 fio_keywords[0].replace = strdup(buf);
4816
8eb016d3 4817 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4818 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4819 fio_keywords[1].replace = strdup(buf);
4820
c00a2289 4821 l = cpus_online();
74929ac2
JA		 4822 sprintf(buf, "%lu", l);
4823 fio_keywords[2].replace = strdup(buf);
4824}
4825
892a6ffc
JA		 4826#define BC_APP "bc"
4827
4828static char *bc_calc(char *str)
4829{
d0c814ec 4830 char buf[128], *tmp;
892a6ffc
JA		 4831 FILE *f;
4832 int ret;
4833
4834 /*
4835 * No math, just return string
4836 */
d0c814ec
SL		 4837 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4838 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4839 return str;
4840
4841 /*
4842 * Split option from value, we only need to calculate the value
4843 */
4844 tmp = strchr(str, '=');
4845 if (!tmp)
4846 return str;
4847
4848 tmp++;
892a6ffc 4849
d0c814ec
SL		 4850 /*
4851 * Prevent buffer overflows; such a case isn't reasonable anyway
4852 */
4853 if (strlen(str) >= 128 || strlen(tmp) > 100)
4854 return str;
892a6ffc
JA		 4855
4856 sprintf(buf, "which %s > /dev/null", BC_APP);
4857 if (system(buf)) {
4858 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4859 return NULL;
4860 }
4861
d0c814ec 4862 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4863 f = popen(buf, "r");
3c3ed070 4864 if (!f)
892a6ffc 4865 return NULL;
892a6ffc 4866
d0c814ec 4867 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4868 if (ret <= 0) {
4869 pclose(f);
892a6ffc 4870 return NULL;
1d824f37 4871 }
892a6ffc 4872
892a6ffc 4873 pclose(f);
d0c814ec
SL		 4874 buf[(tmp - str) + ret - 1] = '\0';
4875 memcpy(buf, str, tmp - str);
892a6ffc 4876 free(str);
d0c814ec
SL		 4877 return strdup(buf);
4878}
4879
4880/*
4881 * Return a copy of the input string with substrings of the form ${VARNAME}
4882 * substituted with the value of the environment variable VARNAME. The
4883 * substitution always occurs, even if VARNAME is empty or the corresponding
4884 * environment variable undefined.
4885 */
b4f5e72f 4886char *fio_option_dup_subs(const char *opt)
d0c814ec
SL		 4887{
4888 char out[OPT_LEN_MAX+1];
4889 char in[OPT_LEN_MAX+1];
4890 char *outptr = out;
4891 char *inptr = in;
4892 char *ch1, *ch2, *env;
4893 ssize_t nchr = OPT_LEN_MAX;
4894 size_t envlen;
4895
4896 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4897 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4898 return NULL;
4899 }
4900
4901 in[OPT_LEN_MAX] = '\0';
4902 strncpy(in, opt, OPT_LEN_MAX);
4903
4904 while (*inptr && nchr > 0) {
4905 if (inptr[0] == '$' && inptr[1] == '{') {
4906 ch2 = strchr(inptr, '}');
4907 if (ch2 && inptr+1 < ch2) {
4908 ch1 = inptr+2;
4909 inptr = ch2+1;
4910 *ch2 = '\0';
4911
4912 env = getenv(ch1);
4913 if (env) {
4914 envlen = strlen(env);
4915 if (envlen <= nchr) {
4916 memcpy(outptr, env, envlen);
4917 outptr += envlen;
4918 nchr -= envlen;
4919 }
4920 }
4921
4922 continue;
4923 }
4924 }
4925
4926 *outptr++ = *inptr++;
4927 --nchr;
4928 }
4929
4930 *outptr = '\0';
4931 return strdup(out);
892a6ffc
JA		 4932}
4933
74929ac2
JA		 4934/*
4935 * Look for reserved variable names and replace them with real values
4936 */
4937static char *fio_keyword_replace(char *opt)
4938{
4939 char *s;
4940 int i;
d0c814ec 4941 int docalc = 0;
74929ac2
JA		 4942
4943 for (i = 0; fio_keywords[i].word != NULL; i++) {
4944 struct fio_keyword *kw = &fio_keywords[i];
4945
4946 while ((s = strstr(opt, kw->word)) != NULL) {
4947 char *new = malloc(strlen(opt) + 1);
4948 char *o_org = opt;
4949 int olen = s - opt;
4950 int len;
4951
4952 /*
4953 * Copy part of the string before the keyword and
4954 * sprintf() the replacement after it.
4955 */
4956 memcpy(new, opt, olen);
4957 len = sprintf(new + olen, "%s", kw->replace);
4958
4959 /*
4960 * If there's more in the original string, copy that
4961 * in too
4962 */
4963 opt += strlen(kw->word) + olen;
4964 if (strlen(opt))
4965 memcpy(new + olen + len, opt, opt - o_org - 1);
4966
4967 /*
4968 * replace opt and free the old opt
4969 */
4970 opt = new;
d0c814ec 4971 free(o_org);
7a958bd5 4972
d0c814ec 4973 docalc = 1;
74929ac2
JA		 4974 }
4975 }
4976
d0c814ec
SL		 4977 /*
4978 * Check for potential math and invoke bc, if possible
4979 */
4980 if (docalc)
4981 opt = bc_calc(opt);
4982
7a958bd5 4983 return opt;
74929ac2
JA		 4984}
4985
d0c814ec
SL		 4986static char **dup_and_sub_options(char **opts, int num_opts)
4987{
4988 int i;
4989 char **opts_copy = malloc(num_opts * sizeof(*opts));
4990 for (i = 0; i < num_opts; i++) {
b4f5e72f 4991 opts_copy[i] = fio_option_dup_subs(opts[i]);
d0c814ec
SL		 4992 if (!opts_copy[i])
4993 continue;
4994 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4995 }
4996 return opts_copy;
4997}
4998
e15b023b 4999static void show_closest_option(const char *opt)
a2d027b9
JA		 5000{
5001 int best_option, best_distance;
5002 int i, distance;
e15b023b
JA		 5003 char *name;
5004
5005 if (!strlen(opt))
5006 return;
5007
5008 name = strdup(opt);
5009 i = 0;
5010 while (name[i] != '\0' && name[i] != '=')
5011 i++;
5012 name[i] = '\0';
a2d027b9
JA		 5013
5014 best_option = -1;
5015 best_distance = INT_MAX;
5016 i = 0;
5017 while (fio_options[i].name) {
5018 distance = string_distance(name, fio_options[i].name);
5019 if (distance < best_distance) {
5020 best_distance = distance;
5021 best_option = i;
5022 }
5023 i++;
5024 }
5025
75e6bcba
JA		 5026 if (best_option != -1 && string_distance_ok(name, best_distance) &&
5027 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 5028 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 5029
5030 free(name);
a2d027b9
JA		 5031}
5032
c2292325 5033int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 5034{
de890a1e 5035 int i, ret, unknown;
d0c814ec 5036 char **opts_copy;
3b8b7135 5037
9af4a244 5038 sort_options(opts, fio_options, num_opts);
d0c814ec 5039 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 5040
de890a1e 5041 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
9109883a 5042 const struct fio_option *o;
9af4a244 5043 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 5044 &o, &td->o, &td->opt_list);
d0c814ec 5045
a8523a6a
JA		 5046 if (!newret && o)
5047 fio_option_mark_set(&td->o, o);
5048
de890a1e
SL		 5049 if (opts_copy[i]) {
5050 if (newret && !o) {
5051 unknown++;
5052 continue;
5053 }
d0c814ec 5054 free(opts_copy[i]);
de890a1e
SL		 5055 opts_copy[i] = NULL;
5056 }
5057
5058 ret |= newret;
5059 }
5060
5061 if (unknown) {
5062 ret |= ioengine_load(td);
5063 if (td->eo) {
5064 sort_options(opts_copy, td->io_ops->options, num_opts);
5065 opts = opts_copy;
5066 }
5067 for (i = 0; i < num_opts; i++) {
9109883a 5068 const struct fio_option *o = NULL;
de890a1e 5069 int newret = 1;
a2d027b9 5070
de890a1e
SL		 5071 if (!opts_copy[i])
5072 continue;
5073
5074 if (td->eo)
5075 newret = parse_option(opts_copy[i], opts[i],
5076 td->io_ops->options, &o,
66e19a38 5077 td->eo, &td->opt_list);
de890a1e
SL		 5078
5079 ret |= newret;
a2d027b9 5080 if (!o) {
de890a1e 5081 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 5082 show_closest_option(opts[i]);
5083 }
de890a1e
SL		 5084 free(opts_copy[i]);
5085 opts_copy[i] = NULL;
5086 }
74929ac2 5087 }
3b8b7135 5088
d0c814ec 5089 free(opts_copy);
3b8b7135 5090 return ret;
214e1eca
JA		 5091}
5092
5093int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
5094{
a8523a6a
JA		 5095 int ret;
5096
a609f12a 5097 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a 5098 if (!ret) {
9109883a 5099 const struct fio_option *o;
a8523a6a 5100
9109883a 5101 o = find_option_c(fio_options, opt);
a8523a6a
JA		 5102 if (o)
5103 fio_option_mark_set(&td->o, o);
5104 }
5105
5106 return ret;
214e1eca
JA		 5107}
5108
de890a1e
SL		 5109int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
5110 char *val)
5111{
d8b4f395
JA		 5112 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
5113 &td->opt_list);
de890a1e
SL		 5114}
5115
214e1eca
JA		 5116void fio_fill_default_options(struct thread_data *td)
5117{
cb1402d6 5118 td->o.magic = OPT_MAGIC;
a609f12a 5119 fill_default_options(&td->o, fio_options);
214e1eca
JA		 5120}
5121
5122int fio_show_option_help(const char *opt)
5123{
9af4a244 5124 return show_cmd_help(fio_options, opt);
214e1eca 5125}
d23bb327 5126
de890a1e
SL		 5127/*
5128 * dupe FIO_OPT_STR_STORE options
5129 */
5130void fio_options_mem_dupe(struct thread_data *td)
5131{
53b5693d 5132 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 5133
5134 if (td->eo && td->io_ops) {
de890a1e 5135 void *oldeo = td->eo;
1647f592 5136
de890a1e
SL		 5137 td->eo = malloc(td->io_ops->option_struct_size);
5138 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 5139 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 5140 }
5141}
5142
d6978a32
JA		 5143unsigned int fio_get_kb_base(void *data)
5144{
a609f12a
JA		 5145 struct thread_data *td = cb_data_to_td(data);
5146 struct thread_options *o = &td->o;
d6978a32
JA		 5147 unsigned int kb_base = 0;
5148
cb1402d6
JA		 5149 /*
5150 * This is a hack... For private options, *data is not holding
5151 * a pointer to the thread_options, but to private data. This means
5152 * we can't safely dereference it, but magic is first so mem wise
5153 * it is valid. But this also means that if the job first sets
5154 * kb_base and expects that to be honored by private options,
5155 * it will be disappointed. We will return the global default
5156 * for this.
5157 */
5158 if (o && o->magic == OPT_MAGIC)
83ea422a 5159 kb_base = o->kb_base;
d6978a32
JA		 5160 if (!kb_base)
5161 kb_base = 1024;
5162
5163 return kb_base;
5164}
9f988e2e 5165
9109883a 5166int add_option(const struct fio_option *o)
9f988e2e 5167{
07b3232d
JA		 5168 struct fio_option *__o;
5169 int opt_index = 0;
5170
9af4a244 5171 __o = fio_options;
07b3232d
JA		 5172 while (__o->name) {
5173 opt_index++;
5174 __o++;
5175 }
5176
7b504edd
JA		 5177 if (opt_index + 1 == FIO_MAX_OPTS) {
5178 log_err("fio: FIO_MAX_OPTS is too small\n");
5179 return 1;
5180 }
5181
9af4a244 5182 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 5183 fio_options[opt_index + 1].name = NULL;
07b3232d 5184 return 0;
9f988e2e 5185}
e2de69da 5186
07b3232d 5187void invalidate_profile_options(const char *prof_name)
e2de69da 5188{
07b3232d 5189 struct fio_option *o;
e2de69da 5190
9af4a244 5191 o = fio_options;
07b3232d
JA		 5192 while (o->name) {
5193 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5194 o->type = FIO_OPT_INVALID;
5195 o->prof_name = NULL;
5196 }
5197 o++;
e2de69da
JA		 5198 }
5199}
f5b6bb85
JA		 5200
5201void add_opt_posval(const char *optname, const char *ival, const char *help)
5202{
5203 struct fio_option *o;
5204 unsigned int i;
5205
9af4a244 5206 o = find_option(fio_options, optname);
f5b6bb85
JA		 5207 if (!o)
5208 return;
5209
5210 for (i = 0; i < PARSE_MAX_VP; i++) {
5211 if (o->posval[i].ival)
5212 continue;
5213
5214 o->posval[i].ival = ival;
5215 o->posval[i].help = help;
5216 break;
5217 }
5218}
5219
5220void del_opt_posval(const char *optname, const char *ival)
5221{
5222 struct fio_option *o;
5223 unsigned int i;
5224
9af4a244 5225 o = find_option(fio_options, optname);
f5b6bb85
JA		 5226 if (!o)
5227 return;
5228
5229 for (i = 0; i < PARSE_MAX_VP; i++) {
5230 if (!o->posval[i].ival)
5231 continue;
5232 if (strcmp(o->posval[i].ival, ival))
5233 continue;
5234
5235 o->posval[i].ival = NULL;
5236 o->posval[i].help = NULL;
5237 }
5238}
7e356b2d
JA		 5239
5240void fio_options_free(struct thread_data *td)
5241{
ca6336a8 5242 options_free(fio_options, &td->o);
de890a1e
SL		 5243 if (td->eo && td->io_ops && td->io_ops->options) {
5244 options_free(td->io_ops->options, td->eo);
5245 free(td->eo);
5246 td->eo = NULL;
5247 }
7e356b2d 5248}
c504ee55
JA		 5249
5250struct fio_option *fio_option_find(const char *name)
5251{
5252 return find_option(fio_options, name);
5253}
5254
517c9c72 5255static struct fio_option *find_next_opt(struct fio_option *from,
f0e7f45a 5256 unsigned int off1)
a8523a6a 5257{
f0e7f45a 5258 struct fio_option *opt;
a8523a6a 5259
f0e7f45a
JA		 5260 if (!from)
5261 from = &fio_options[0];
5262 else
5263 from++;
5264
5265 opt = NULL;
5266 do {
5267 if (off1 == from->off1) {
5268 opt = from;
a8523a6a
JA		 5269 break;
5270 }
f0e7f45a
JA		 5271 from++;
5272 } while (from->name);
a8523a6a 5273
f0e7f45a
JA		 5274 return opt;
5275}
5276
5277static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5278{
5279 unsigned int opt_off, index, offset;
a8523a6a
JA		 5280
5281 opt_off = opt - &fio_options[0];
5282 index = opt_off / (8 * sizeof(uint64_t));
5283 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5284 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5285}
5286
72f39748 5287bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5288{
5289 struct fio_option *opt, *next;
5290
5291 next = NULL;
517c9c72 5292 while ((opt = find_next_opt(next, off1)) != NULL) {
f0e7f45a 5293 if (opt_is_set(o, opt))
72f39748 5294 return true;
f0e7f45a
JA		 5295
5296 next = opt;
5297 }
5298
72f39748 5299 return false;
f0e7f45a
JA		 5300}
5301
9109883a 5302void fio_option_mark_set(struct thread_options *o, const struct fio_option *opt)
a8523a6a
JA		 5303{
5304 unsigned int opt_off, index, offset;
5305
5306 opt_off = opt - &fio_options[0];
5307 index = opt_off / (8 * sizeof(uint64_t));
5308 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5309 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5310}
fio - Flexible IO Tester