configure: attempt to link against tcmalloc by default if available
[fio.git] / options.c
CommitLineData
214e1eca
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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
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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
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19#define cb_data_to_td(data) container_of(data, struct thread_data, o)
20
fc8d6d05 21static struct pattern_fmt_desc fmt_desc[] = {
4205998f
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22 {
23 .fmt = "%o",
24 .len = FIELD_SIZE(struct io_u *, offset),
25 .paste = paste_blockoff
26 }
27};
28
214e1eca
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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
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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
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68
69 i = 0;
564ca972
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70 while ((fname = strsep(&str, ":")) != NULL) {
71 char *perc_str;
72
73 if (!strlen(fname))
74 break;
75
564ca972
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76 perc_str = strstr(fname, "/");
77 if (perc_str) {
78 *perc_str = '\0';
79 perc_str++;
59466396
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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
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102 return 1;
103 }
104
d2835319
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105 split->val1[i] = val;
106 split->val2[i] = perc;
564ca972 107 i++;
c32e1a09
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108 if (i == max_splits) {
109 log_err("fio: hit max of %d split entries\n", i);
d2835319 110 break;
c32e1a09 111 }
564ca972
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112 }
113
d2835319
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114 split->nr = i;
115 return 0;
116}
117
59466396
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118static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str,
119 bool data)
d2835319
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120{
121 unsigned int i, perc, perc_missing;
5fff9543 122 unsigned long long max_bs, min_bs;
d2835319
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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
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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
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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
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163 return 1;
164 }
d711cce5 165
564ca972
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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
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177 bsp->perc = (100 - perc) / perc_missing;
178 }
179 }
180
83ea422a
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181 o->min_bs[ddir] = min_bs;
182 o->max_bs[ddir] = max_bs;
564ca972
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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
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189}
190
59466396 191typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *, bool);
764593c0 192
59466396
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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
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197 int ret = 0;
198
720e84ad
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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
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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 495 cpus_in_mask = fio_cpu_count(mask);
3a294b87
VF
496 if (!cpus_in_mask)
497 return 0;
498
50b5860b
JA
499 cpu_index = cpu_index % cpus_in_mask;
500
501 index = 0;
c2acfbac 502 for (i = 0; i < max_cpu; i++) {
50b5860b 503 if (!fio_cpu_isset(mask, i))
c2acfbac 504 continue;
50b5860b
JA
505
506 if (cpu_index != index)
507 fio_cpu_clear(mask, i);
508
509 index++;
c2acfbac
JA
510 }
511
512 return fio_cpu_count(mask);
513}
514
85bc833b 515static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0 516{
a609f12a 517 struct thread_data *td = cb_data_to_td(data);
214e1eca 518 unsigned int i;
b03daafb 519 long max_cpu;
d2ce18b5
JA
520 int ret;
521
52c0cea3
JA
522 if (parse_dryrun())
523 return 0;
524
d2ce18b5
JA
525 ret = fio_cpuset_init(&td->o.cpumask);
526 if (ret < 0) {
527 log_err("fio: cpuset_init failed\n");
528 td_verror(td, ret, "fio_cpuset_init");
529 return 1;
530 }
214e1eca 531
c00a2289 532 max_cpu = cpus_online();
214e1eca 533
62a7273d
JA
534 for (i = 0; i < sizeof(int) * 8; i++) {
535 if ((1 << i) & *val) {
b8411399 536 if (i >= max_cpu) {
b03daafb 537 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 538 max_cpu - 1);
b03daafb
JA
539 return 1;
540 }
62a7273d 541 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 542 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA
543 }
544 }
d2e268b0 545
d2e268b0 546 return 0;
214e1eca
JA
547}
548
e8462bd8
JA
549static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
550 const char *input)
214e1eca 551{
d2e268b0 552 char *cpu, *str, *p;
b03daafb 553 long max_cpu;
19608d6c 554 int ret = 0;
d2e268b0 555
e8462bd8 556 ret = fio_cpuset_init(mask);
d2ce18b5
JA
557 if (ret < 0) {
558 log_err("fio: cpuset_init failed\n");
559 td_verror(td, ret, "fio_cpuset_init");
560 return 1;
561 }
d2e268b0
JA
562
563 p = str = strdup(input);
214e1eca 564
d2e268b0
JA
565 strip_blank_front(&str);
566 strip_blank_end(str);
567
c00a2289 568 max_cpu = cpus_online();
b03daafb 569
d2e268b0 570 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA
571 char *str2, *cpu2;
572 int icpu, icpu2;
573
d2e268b0
JA
574 if (!strlen(cpu))
575 break;
62a7273d
JA
576
577 str2 = cpu;
578 icpu2 = -1;
579 while ((cpu2 = strsep(&str2, "-")) != NULL) {
580 if (!strlen(cpu2))
581 break;
582
583 icpu2 = atoi(cpu2);
584 }
585
586 icpu = atoi(cpu);
587 if (icpu2 == -1)
588 icpu2 = icpu;
589 while (icpu <= icpu2) {
6d459ee7 590 if (icpu >= FIO_MAX_CPUS) {
19608d6c 591 log_err("fio: your OS only supports up to"
6d459ee7 592 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA
593 ret = 1;
594 break;
595 }
9e986889 596 if (icpu >= max_cpu) {
b03daafb 597 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 598 icpu, max_cpu - 1);
b03daafb
JA
599 ret = 1;
600 break;
601 }
0b9d69ec 602
62a7273d 603 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 604 fio_cpu_set(mask, icpu);
62a7273d
JA
605 icpu++;
606 }
19608d6c
JA
607 if (ret)
608 break;
d2e268b0
JA
609 }
610
611 free(p);
19608d6c 612 return ret;
214e1eca 613}
e8462bd8
JA
614
615static int str_cpus_allowed_cb(void *data, const char *input)
616{
a609f12a 617 struct thread_data *td = cb_data_to_td(data);
e8462bd8 618
52c0cea3
JA
619 if (parse_dryrun())
620 return 0;
621
b2a9e649 622 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA
623}
624
625static int str_verify_cpus_allowed_cb(void *data, const char *input)
626{
a609f12a 627 struct thread_data *td = cb_data_to_td(data);
e8462bd8 628
466155e2
JA
629 if (parse_dryrun())
630 return 0;
631
b2a9e649 632 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 633}
c08f9fe2 634
105157ad 635#ifdef CONFIG_ZLIB
c08f9fe2
JA
636static int str_log_cpus_allowed_cb(void *data, const char *input)
637{
a609f12a 638 struct thread_data *td = cb_data_to_td(data);
c08f9fe2
JA
639
640 if (parse_dryrun())
641 return 0;
642
643 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
644}
105157ad 645#endif /* CONFIG_ZLIB */
c08f9fe2 646
105157ad 647#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 648
67bf9823 649#ifdef CONFIG_LIBNUMA
d0b937ed
YR
650static int str_numa_cpunodes_cb(void *data, char *input)
651{
a609f12a 652 struct thread_data *td = cb_data_to_td(data);
43522848 653 struct bitmask *verify_bitmask;
d0b937ed 654
52c0cea3
JA
655 if (parse_dryrun())
656 return 0;
657
d0b937ed
YR
658 /* numa_parse_nodestring() parses a character string list
659 * of nodes into a bit mask. The bit mask is allocated by
660 * numa_allocate_nodemask(), so it should be freed by
661 * numa_free_nodemask().
662 */
43522848
DG
663 verify_bitmask = numa_parse_nodestring(input);
664 if (verify_bitmask == NULL) {
d0b937ed
YR
665 log_err("fio: numa_parse_nodestring failed\n");
666 td_verror(td, 1, "str_numa_cpunodes_cb");
667 return 1;
668 }
43522848 669 numa_free_nodemask(verify_bitmask);
d0b937ed 670
43522848 671 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR
672 return 0;
673}
674
675static int str_numa_mpol_cb(void *data, char *input)
676{
a609f12a 677 struct thread_data *td = cb_data_to_td(data);
d0b937ed 678 const char * const policy_types[] =
05d6f44b 679 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 680 int i;
52c0cea3 681 char *nodelist;
43522848 682 struct bitmask *verify_bitmask;
52c0cea3
JA
683
684 if (parse_dryrun())
685 return 0;
d0b937ed 686
52c0cea3 687 nodelist = strchr(input, ':');
d0b937ed
YR
688 if (nodelist) {
689 /* NUL-terminate mode */
690 *nodelist++ = '\0';
691 }
692
693 for (i = 0; i <= MPOL_LOCAL; i++) {
694 if (!strcmp(input, policy_types[i])) {
695 td->o.numa_mem_mode = i;
696 break;
697 }
698 }
699 if (i > MPOL_LOCAL) {
700 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
701 goto out;
702 }
703
704 switch (td->o.numa_mem_mode) {
705 case MPOL_PREFERRED:
706 /*
707 * Insist on a nodelist of one node only
708 */
709 if (nodelist) {
710 char *rest = nodelist;
711 while (isdigit(*rest))
712 rest++;
713 if (*rest) {
714 log_err("fio: one node only for \'prefer\'\n");
715 goto out;
716 }
717 } else {
718 log_err("fio: one node is needed for \'prefer\'\n");
719 goto out;
720 }
721 break;
722 case MPOL_INTERLEAVE:
723 /*
724 * Default to online nodes with memory if no nodelist
725 */
726 if (!nodelist)
727 nodelist = strdup("all");
728 break;
729 case MPOL_LOCAL:
730 case MPOL_DEFAULT:
731 /*
732 * Don't allow a nodelist
733 */
734 if (nodelist) {
735 log_err("fio: NO nodelist for \'local\'\n");
736 goto out;
737 }
738 break;
739 case MPOL_BIND:
740 /*
741 * Insist on a nodelist
742 */
743 if (!nodelist) {
744 log_err("fio: a nodelist is needed for \'bind\'\n");
745 goto out;
746 }
747 break;
748 }
749
750
751 /* numa_parse_nodestring() parses a character string list
752 * of nodes into a bit mask. The bit mask is allocated by
753 * numa_allocate_nodemask(), so it should be freed by
754 * numa_free_nodemask().
755 */
756 switch (td->o.numa_mem_mode) {
757 case MPOL_PREFERRED:
758 td->o.numa_mem_prefer_node = atoi(nodelist);
759 break;
760 case MPOL_INTERLEAVE:
761 case MPOL_BIND:
43522848
DG
762 verify_bitmask = numa_parse_nodestring(nodelist);
763 if (verify_bitmask == NULL) {
d0b937ed
YR
764 log_err("fio: numa_parse_nodestring failed\n");
765 td_verror(td, 1, "str_numa_memnodes_cb");
766 return 1;
767 }
43522848
DG
768 td->o.numa_memnodes = strdup(nodelist);
769 numa_free_nodemask(verify_bitmask);
b74e419e 770
d0b937ed
YR
771 break;
772 case MPOL_LOCAL:
773 case MPOL_DEFAULT:
774 default:
775 break;
776 }
777
d0b937ed 778 return 0;
d0b937ed
YR
779out:
780 return 1;
781}
782#endif
783
214e1eca
JA
784static int str_fst_cb(void *data, const char *str)
785{
a609f12a 786 struct thread_data *td = cb_data_to_td(data);
8c07860d
JA
787 double val;
788 bool done = false;
789 char *nr;
214e1eca
JA
790
791 td->file_service_nr = 1;
8c07860d
JA
792
793 switch (td->o.file_service_type) {
794 case FIO_FSERVICE_RANDOM:
795 case FIO_FSERVICE_RR:
796 case FIO_FSERVICE_SEQ:
797 nr = get_opt_postfix(str);
798 if (nr) {
799 td->file_service_nr = atoi(nr);
800 free(nr);
801 }
802 done = true;
803 break;
804 case FIO_FSERVICE_ZIPF:
805 val = FIO_DEF_ZIPF;
806 break;
807 case FIO_FSERVICE_PARETO:
808 val = FIO_DEF_PARETO;
809 break;
810 case FIO_FSERVICE_GAUSS:
811 val = 0.0;
812 break;
813 default:
814 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
815 return 1;
816 }
817
818 if (done)
819 return 0;
820
821 nr = get_opt_postfix(str);
822 if (nr && !str_to_float(nr, &val, 0)) {
823 log_err("fio: file service type random postfix parsing failed\n");
182ec6ee 824 free(nr);
8c07860d
JA
825 return 1;
826 }
827
828 free(nr);
829
830 switch (td->o.file_service_type) {
831 case FIO_FSERVICE_ZIPF:
832 if (val == 1.00) {
833 log_err("fio: zipf theta must be different than 1.0\n");
834 return 1;
835 }
836 if (parse_dryrun())
837 return 0;
838 td->zipf_theta = val;
839 break;
840 case FIO_FSERVICE_PARETO:
841 if (val <= 0.00 || val >= 1.00) {
842 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
843 return 1;
844 }
845 if (parse_dryrun())
846 return 0;
847 td->pareto_h = val;
848 break;
849 case FIO_FSERVICE_GAUSS:
850 if (val < 0.00 || val >= 100.00) {
99c94a6b 851 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
8c07860d
JA
852 return 1;
853 }
854 if (parse_dryrun())
855 return 0;
856 td->gauss_dev = val;
857 break;
182ec6ee 858 }
214e1eca
JA
859
860 return 0;
861}
862
67bf9823 863#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
864static int str_sfr_cb(void *data, const char *str)
865{
a609f12a 866 struct thread_data *td = cb_data_to_td(data);
44f29692
JA
867 char *nr = get_opt_postfix(str);
868
869 td->sync_file_range_nr = 1;
870 if (nr) {
871 td->sync_file_range_nr = atoi(nr);
872 free(nr);
873 }
874
875 return 0;
876}
3ae06371 877#endif
44f29692 878
764593c0 879static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
59466396 880 char *str, bool absolute)
e0a04ac1 881{
e0a04ac1 882 unsigned int i, perc, perc_missing, sperc, sperc_missing;
d2835319 883 struct split split;
e0a04ac1 884
d2835319 885 memset(&split, 0, sizeof(split));
e0a04ac1 886
517c9c72 887 if (split_parse_ddir(o, &split, str, absolute, ZONESPLIT_MAX))
d2835319
JA
888 return 1;
889 if (!split.nr)
890 return 0;
e0a04ac1 891
d2835319
JA
892 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
893 o->zone_split_nr[ddir] = split.nr;
894 for (i = 0; i < split.nr; i++) {
895 o->zone_split[ddir][i].access_perc = split.val1[i];
59466396
JA
896 if (absolute)
897 o->zone_split[ddir][i].size = split.val2[i];
898 else
899 o->zone_split[ddir][i].size_perc = split.val2[i];
e0a04ac1
JA
900 }
901
e0a04ac1
JA
902 /*
903 * Now check if the percentages add up, and how much is missing
904 */
905 perc = perc_missing = 0;
906 sperc = sperc_missing = 0;
907 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 908 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA
909
910 if (zsp->access_perc == (uint8_t) -1U)
911 perc_missing++;
912 else
913 perc += zsp->access_perc;
914
59466396
JA
915 if (!absolute) {
916 if (zsp->size_perc == (uint8_t) -1U)
917 sperc_missing++;
918 else
919 sperc += zsp->size_perc;
920 }
e0a04ac1
JA
921 }
922
923 if (perc > 100 || sperc > 100) {
924 log_err("fio: zone_split percentages add to more than 100%%\n");
d2835319
JA
925 free(o->zone_split[ddir]);
926 o->zone_split[ddir] = NULL;
e0a04ac1
JA
927 return 1;
928 }
929 if (perc < 100) {
930 log_err("fio: access percentage don't add up to 100 for zoned "
931 "random distribution (got=%u)\n", perc);
d2835319
JA
932 free(o->zone_split[ddir]);
933 o->zone_split[ddir] = NULL;
e0a04ac1
JA
934 return 1;
935 }
936
937 /*
938 * If values didn't have a percentage set, divide the remains between
939 * them.
940 */
941 if (perc_missing) {
942 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
943 perc = 100;
944 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 945 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA
946
947 if (zsp->access_perc == (uint8_t) -1U)
948 zsp->access_perc = (100 - perc) / perc_missing;
949 }
950 }
951 if (sperc_missing) {
952 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
953 sperc = 100;
954 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 955 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA
956
957 if (zsp->size_perc == (uint8_t) -1U)
958 zsp->size_perc = (100 - sperc) / sperc_missing;
959 }
960 }
961
e0a04ac1
JA
962 return 0;
963}
964
59466396
JA
965static int parse_zoned_distribution(struct thread_data *td, const char *input,
966 bool absolute)
e0a04ac1 967{
59466396 968 const char *pre = absolute ? "zoned_abs:" : "zoned:";
764593c0 969 char *str, *p;
e0a04ac1
JA
970 int i, ret = 0;
971
972 p = str = strdup(input);
973
974 strip_blank_front(&str);
975 strip_blank_end(str);
976
977 /* We expect it to start like that, bail if not */
59466396 978 if (strncmp(str, pre, strlen(pre))) {
e0a04ac1
JA
979 log_err("fio: mismatch in zoned input <%s>\n", str);
980 free(p);
981 return 1;
982 }
59466396 983 str += strlen(pre);
e0a04ac1 984
59466396 985 ret = str_split_parse(td, str, zone_split_ddir, absolute);
e0a04ac1
JA
986
987 free(p);
988
989 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
990 int j;
991
992 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
993
994 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
995 struct zone_split *zsp = &td->o.zone_split[i][j];
996
59466396
JA
997 if (absolute) {
998 dprint(FD_PARSE, "\t%d: %u/%llu\n", j,
999 zsp->access_perc,
1000 (unsigned long long) zsp->size);
1001 } else {
1002 dprint(FD_PARSE, "\t%d: %u/%u\n", j,
1003 zsp->access_perc,
1004 zsp->size_perc);
1005 }
e0a04ac1
JA
1006 }
1007 }
1008
55baca06 1009 if (parse_dryrun()) {
55baca06
JA
1010 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1011 free(td->o.zone_split[i]);
1012 td->o.zone_split[i] = NULL;
1013 td->o.zone_split_nr[i] = 0;
1014 }
1015
1016 return ret;
1017 }
1018
81bdb791 1019 if (ret) {
dc4bffb8
JA
1020 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1021 td->o.zone_split_nr[i] = 0;
1022 }
e0a04ac1
JA
1023
1024 return ret;
1025}
1026
e25839d4
JA
1027static int str_random_distribution_cb(void *data, const char *str)
1028{
a609f12a 1029 struct thread_data *td = cb_data_to_td(data);
e25839d4
JA
1030 double val;
1031 char *nr;
1032
925fee33 1033 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1034 val = FIO_DEF_ZIPF;
925fee33 1035 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1036 val = FIO_DEF_PARETO;
56d9fa4b
JA
1037 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1038 val = 0.0;
e0a04ac1 1039 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
59466396
JA
1040 return parse_zoned_distribution(td, str, false);
1041 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS)
1042 return parse_zoned_distribution(td, str, true);
925fee33 1043 else
e25839d4
JA
1044 return 0;
1045
1046 nr = get_opt_postfix(str);
88038bc7 1047 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA
1048 log_err("fio: random postfix parsing failed\n");
1049 free(nr);
1050 return 1;
1051 }
1052
078189c1
JA
1053 free(nr);
1054
18ded917
JA
1055 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1056 if (val == 1.00) {
1057 log_err("fio: zipf theta must different than 1.0\n");
1058 return 1;
1059 }
55baca06
JA
1060 if (parse_dryrun())
1061 return 0;
1e5324e7 1062 td->o.zipf_theta.u.f = val;
56d9fa4b 1063 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA
1064 if (val <= 0.00 || val >= 1.00) {
1065 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1066 return 1;
1067 }
55baca06
JA
1068 if (parse_dryrun())
1069 return 0;
1e5324e7 1070 td->o.pareto_h.u.f = val;
3cdb8cf3 1071 } else {
76527b19 1072 if (val < 0.00 || val >= 100.0) {
99c94a6b 1073 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA
1074 return 1;
1075 }
55baca06
JA
1076 if (parse_dryrun())
1077 return 0;
f88cd222 1078 td->o.gauss_dev.u.f = val;
3cdb8cf3 1079 }
921c766f
JA
1080
1081 return 0;
1082}
1083
16e56d25
VF
1084static int str_steadystate_cb(void *data, const char *str)
1085{
94f218f6 1086 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF
1087 double val;
1088 char *nr;
1089 char *pct;
1090 long long ll;
1091
2c5d94bc
VF
1092 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1093 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF
1094 /* should be impossible to get here */
1095 log_err("fio: unknown steady state criterion\n");
1096 return 1;
1097 }
1098
1099 nr = get_opt_postfix(str);
1100 if (!nr) {
1101 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1102 free(nr);
1103 return 1;
1104 }
1105
1106 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1107 pct = strstr(nr, "%");
1108 if (pct) {
1109 *pct = '\0';
1110 strip_blank_end(nr);
1111 if (!str_to_float(nr, &val, 0)) {
1112 log_err("fio: could not parse steadystate threshold percentage\n");
1113 free(nr);
1114 return 1;
1115 }
1116
1117 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1118 free(nr);
1119 if (parse_dryrun())
1120 return 0;
1121
c8caba48 1122 td->o.ss_state |= FIO_SS_PCT;
16e56d25 1123 td->o.ss_limit.u.f = val;
c8caba48 1124 } else if (td->o.ss_state & FIO_SS_IOPS) {
16e56d25
VF
1125 if (!str_to_float(nr, &val, 0)) {
1126 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1127 free(nr);
1128 return 1;
1129 }
1130
1131 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1132 free(nr);
1133 if (parse_dryrun())
1134 return 0;
1135
16e56d25 1136 td->o.ss_limit.u.f = val;
16e56d25
VF
1137 } else { /* bandwidth criterion */
1138 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1139 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1140 free(nr);
1141 return 1;
1142 }
1143
1144 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1145 free(nr);
1146 if (parse_dryrun())
1147 return 0;
1148
16e56d25 1149 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF
1150 }
1151
2c5d94bc 1152 td->ss.state = td->o.ss_state;
16e56d25
VF
1153 return 0;
1154}
1155
8e827d35 1156/*
bcbfeefa 1157 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA
1158 * is escaped with a '\', then that ':' is part of the filename and does not
1159 * indicate a new file.
1160 */
532eda7e 1161char *get_next_str(char **ptr)
8e827d35
JA
1162{
1163 char *str = *ptr;
1164 char *p, *start;
1165
1166 if (!str || !strlen(str))
1167 return NULL;
1168
1169 start = str;
1170 do {
1171 /*
1172 * No colon, we are done
1173 */
1174 p = strchr(str, ':');
1175 if (!p) {
1176 *ptr = NULL;
1177 break;
1178 }
1179
1180 /*
1181 * We got a colon, but it's the first character. Skip and
1182 * continue
1183 */
1184 if (p == start) {
1185 str = ++start;
1186 continue;
1187 }
1188
1189 if (*(p - 1) != '\\') {
1190 *p = '\0';
1191 *ptr = p + 1;
1192 break;
1193 }
1194
1195 memmove(p - 1, p, strlen(p) + 1);
1196 str = p;
1197 } while (1);
1198
1199 return start;
1200}
1201
bcbfeefa 1202
532eda7e 1203int get_max_str_idx(char *input)
bcbfeefa
CE
1204{
1205 unsigned int cur_idx;
1206 char *str, *p;
1207
1208 p = str = strdup(input);
1209 for (cur_idx = 0; ; cur_idx++)
532eda7e 1210 if (get_next_str(&str) == NULL)
bcbfeefa
CE
1211 break;
1212
1213 free(p);
1214 return cur_idx;
1215}
1216
1217/*
1218 * Returns the directory at the index, indexes > entires will be
1219 * assigned via modulo division of the index
1220 */
922a5be8
JA
1221int set_name_idx(char *target, size_t tlen, char *input, int index,
1222 bool unique_filename)
bcbfeefa
CE
1223{
1224 unsigned int cur_idx;
1225 int len;
1226 char *fname, *str, *p;
1227
1228 p = str = strdup(input);
1229
532eda7e 1230 index %= get_max_str_idx(input);
bcbfeefa 1231 for (cur_idx = 0; cur_idx <= index; cur_idx++)
532eda7e 1232 fname = get_next_str(&str);
bcbfeefa 1233
922a5be8 1234 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA
1235 len = snprintf(target, tlen, "%s/%s.", fname,
1236 client_sockaddr_str);
1237 } else
1238 len = snprintf(target, tlen, "%s/", fname);
72a703da 1239
e13c3b50 1240 target[tlen - 1] = '\0';
bcbfeefa
CE
1241 free(p);
1242
1243 return len;
1244}
1245
c70c7f58
AK
1246char* get_name_by_idx(char *input, int index)
1247{
1248 unsigned int cur_idx;
1249 char *fname, *str, *p;
1250
1251 p = str = strdup(input);
1252
532eda7e 1253 index %= get_max_str_idx(input);
c70c7f58 1254 for (cur_idx = 0; cur_idx <= index; cur_idx++)
532eda7e 1255 fname = get_next_str(&str);
c70c7f58
AK
1256
1257 fname = strdup(fname);
1258 free(p);
1259
1260 return fname;
1261}
1262
214e1eca
JA
1263static int str_filename_cb(void *data, const char *input)
1264{
a609f12a 1265 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA
1266 char *fname, *str, *p;
1267
1268 p = str = strdup(input);
1269
1270 strip_blank_front(&str);
1271 strip_blank_end(str);
1272
79591fa9
TK
1273 /*
1274 * Ignore what we may already have from nrfiles option.
1275 */
214e1eca 1276 if (!td->files_index)
2dc1bbeb 1277 td->o.nr_files = 0;
214e1eca 1278
532eda7e 1279 while ((fname = get_next_str(&str)) != NULL) {
214e1eca
JA
1280 if (!strlen(fname))
1281 break;
5903e7b7 1282 add_file(td, fname, 0, 1);
214e1eca
JA
1283 }
1284
1285 free(p);
1286 return 0;
1287}
1288
bcbfeefa 1289static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1290{
a609f12a 1291 struct thread_data *td = cb_data_to_td(data);
214e1eca 1292 struct stat sb;
bcbfeefa
CE
1293 char *dirname, *str, *p;
1294 int ret = 0;
214e1eca 1295
f9633d72
JA
1296 if (parse_dryrun())
1297 return 0;
1298
bcbfeefa 1299 p = str = strdup(td->o.directory);
532eda7e 1300 while ((dirname = get_next_str(&str)) != NULL) {
bcbfeefa
CE
1301 if (lstat(dirname, &sb) < 0) {
1302 ret = errno;
921c766f 1303
bcbfeefa
CE
1304 log_err("fio: %s is not a directory\n", dirname);
1305 td_verror(td, ret, "lstat");
1306 goto out;
1307 }
1308 if (!S_ISDIR(sb.st_mode)) {
1309 log_err("fio: %s is not a directory\n", dirname);
1310 ret = 1;
1311 goto out;
1312 }
214e1eca
JA
1313 }
1314
bcbfeefa
CE
1315out:
1316 free(p);
1317 return ret;
214e1eca
JA
1318}
1319
1320static int str_opendir_cb(void *data, const char fio_unused *str)
1321{
a609f12a 1322 struct thread_data *td = cb_data_to_td(data);
214e1eca 1323
52c0cea3
JA
1324 if (parse_dryrun())
1325 return 0;
1326
214e1eca 1327 if (!td->files_index)
2dc1bbeb 1328 td->o.nr_files = 0;
214e1eca 1329
2dc1bbeb 1330 return add_dir_files(td, td->o.opendir);
214e1eca
JA
1331}
1332
ce35b1ec
JA
1333static int str_buffer_pattern_cb(void *data, const char *input)
1334{
a609f12a 1335 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA
1336 int ret;
1337
61b9861d
RP
1338 /* FIXME: for now buffer pattern does not support formats */
1339 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1340 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1341 if (ret < 0)
1342 return 1;
ce35b1ec 1343
61b9861d
RP
1344 assert(ret != 0);
1345 td->o.buffer_pattern_bytes = ret;
c55fae03
JA
1346
1347 /*
1348 * If this job is doing any reading or has compression set,
1349 * ensure that we refill buffers for writes or we could be
1350 * invalidating the pattern through reads.
1351 */
1352 if (!td->o.compress_percentage && !td_read(td))
61b9861d 1353 td->o.refill_buffers = 0;
c55fae03
JA
1354 else
1355 td->o.refill_buffers = 1;
1356
61b9861d
RP
1357 td->o.scramble_buffers = 0;
1358 td->o.zero_buffers = 0;
efcd9dcc 1359
61b9861d 1360 return 0;
ce35b1ec
JA
1361}
1362
bedc9dc2
JA
1363static int str_buffer_compress_cb(void *data, unsigned long long *il)
1364{
a609f12a 1365 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA
1366
1367 td->flags |= TD_F_COMPRESS;
1368 td->o.compress_percentage = *il;
1369 return 0;
1370}
1371
5c94b008
JA
1372static int str_dedupe_cb(void *data, unsigned long long *il)
1373{
a609f12a 1374 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA
1375
1376 td->flags |= TD_F_COMPRESS;
1377 td->o.dedupe_percentage = *il;
1378 td->o.refill_buffers = 1;
1379 return 0;
1380}
1381
ce35b1ec
JA
1382static int str_verify_pattern_cb(void *data, const char *input)
1383{
a609f12a 1384 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA
1385 int ret;
1386
61b9861d
RP
1387 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1388 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA
1389 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1390 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP
1391 if (ret < 0)
1392 return 1;
efcd9dcc 1393
61b9861d
RP
1394 assert(ret != 0);
1395 td->o.verify_pattern_bytes = ret;
92bf48d5 1396 /*
b638d82f 1397 * VERIFY_* could already be set
92bf48d5 1398 */
61b9861d 1399 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1400 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1401
61b9861d 1402 return 0;
90059d65 1403}
214e1eca 1404
993bf48b
JA
1405static int str_gtod_reduce_cb(void *data, int *il)
1406{
a609f12a 1407 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA
1408 int val = *il;
1409
02af0988 1410 td->o.disable_lat = !!val;
993bf48b
JA
1411 td->o.disable_clat = !!val;
1412 td->o.disable_slat = !!val;
1413 td->o.disable_bw = !!val;
0dc1bc03 1414 td->o.clat_percentiles = !val;
993bf48b 1415 if (val)
8b6a404c 1416 td->ts_cache_mask = 63;
993bf48b
JA
1417
1418 return 0;
1419}
1420
89978a6b
BW
1421static int str_offset_cb(void *data, unsigned long long *__val)
1422{
1423 struct thread_data *td = cb_data_to_td(data);
1424 unsigned long long v = *__val;
1425
1426 if (parse_is_percent(v)) {
1427 td->o.start_offset = 0;
1428 td->o.start_offset_percent = -1ULL - v;
872e0415
JA
1429 dprint(FD_PARSE, "SET start_offset_percent %d\n",
1430 td->o.start_offset_percent);
89978a6b
BW
1431 } else
1432 td->o.start_offset = v;
1433
1434 return 0;
1435}
1436
7bb59102
JA
1437static int str_size_cb(void *data, unsigned long long *__val)
1438{
a609f12a 1439 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA
1440 unsigned long long v = *__val;
1441
1442 if (parse_is_percent(v)) {
1443 td->o.size = 0;
1444 td->o.size_percent = -1ULL - v;
24e4321c
TK
1445 dprint(FD_PARSE, "SET size_percent %d\n",
1446 td->o.size_percent);
7bb59102
JA
1447 } else
1448 td->o.size = v;
1449
1450 return 0;
1451}
1452
dded427c
OS
1453static int str_write_bw_log_cb(void *data, const char *str)
1454{
1455 struct thread_data *td = cb_data_to_td(data);
1456
1457 if (str)
1458 td->o.bw_log_file = strdup(str);
1459
1460 td->o.write_bw_log = 1;
1461 return 0;
1462}
1463
1464static int str_write_lat_log_cb(void *data, const char *str)
1465{
1466 struct thread_data *td = cb_data_to_td(data);
1467
1468 if (str)
1469 td->o.lat_log_file = strdup(str);
1470
1471 td->o.write_lat_log = 1;
1472 return 0;
1473}
1474
1475static int str_write_iops_log_cb(void *data, const char *str)
1476{
1477 struct thread_data *td = cb_data_to_td(data);
1478
1479 if (str)
1480 td->o.iops_log_file = strdup(str);
1481
1482 td->o.write_iops_log = 1;
1483 return 0;
1484}
1485
1486static int str_write_hist_log_cb(void *data, const char *str)
1487{
1488 struct thread_data *td = cb_data_to_td(data);
1489
1490 if (str)
1491 td->o.hist_log_file = strdup(str);
1492
1493 td->o.write_hist_log = 1;
1494 return 0;
1495}
1496
6730b40f
TK
1497/*
1498 * str is supposed to be a substring of the strdup'd original string,
1499 * and is valid only if it's a regular file path.
1500 * This function keeps the pointer to the path as needed later.
1501 *
1502 * "external:/path/to/so\0" <- original pointer updated with strdup'd
1503 * "external\0" <- above pointer after parsed, i.e. ->ioengine
1504 * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
1505 */
1506static int str_ioengine_external_cb(void *data, const char *str)
1507{
1508 struct thread_data *td = cb_data_to_td(data);
1509 struct stat sb;
1510 char *p;
1511
1512 if (!str) {
1513 log_err("fio: null external ioengine path\n");
1514 return 1;
1515 }
1516
1517 p = (char *)str; /* str is mutable */
1518 strip_blank_front(&p);
1519 strip_blank_end(p);
1520
1521 if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
1522 log_err("fio: invalid external ioengine path \"%s\"\n", p);
1523 return 1;
1524 }
1525
1526 td->o.ioengine_so_path = p;
1527 return 0;
1528}
1529
9109883a 1530static int rw_verify(const struct fio_option *o, void *data)
896cac2a 1531{
a609f12a 1532 struct thread_data *td = cb_data_to_td(data);
896cac2a 1533
d81d0f99
VF
1534 if (read_only && (td_write(td) || td_trim(td))) {
1535 log_err("fio: job <%s> has write or trim bit set, but"
1536 " fio is in read-only mode\n", td->o.name);
896cac2a
JA
1537 return 1;
1538 }
1539
1540 return 0;
1541}
1542
9109883a 1543static int gtod_cpu_verify(const struct fio_option *o, void *data)
29d43ff9 1544{
276ca4f7 1545#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1546 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1547
29d43ff9
JA
1548 if (td->o.gtod_cpu) {
1549 log_err("fio: platform must support CPU affinity for"
1550 "gettimeofday() offloading\n");
1551 return 1;
1552 }
1553#endif
1554
1555 return 0;
1556}
1557
214e1eca
JA
1558/*
1559 * Map of job/command line options
1560 */
9af4a244 1561struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA
1562 {
1563 .name = "description",
e8b0e958 1564 .lname = "Description of job",
214e1eca 1565 .type = FIO_OPT_STR_STORE,
a609f12a 1566 .off1 = offsetof(struct thread_options, description),
214e1eca 1567 .help = "Text job description",
e8b0e958 1568 .category = FIO_OPT_C_GENERAL,
0626037e 1569 .group = FIO_OPT_G_DESC,
214e1eca
JA
1570 },
1571 {
1572 .name = "name",
e8b0e958 1573 .lname = "Job name",
214e1eca 1574 .type = FIO_OPT_STR_STORE,
a609f12a 1575 .off1 = offsetof(struct thread_options, name),
214e1eca 1576 .help = "Name of this job",
e8b0e958 1577 .category = FIO_OPT_C_GENERAL,
0626037e 1578 .group = FIO_OPT_G_DESC,
214e1eca 1579 },
9cc8cb91
AK
1580 {
1581 .name = "wait_for",
1582 .lname = "Waitee name",
1583 .type = FIO_OPT_STR_STORE,
a609f12a 1584 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK
1585 .help = "Name of the job this one wants to wait for before starting",
1586 .category = FIO_OPT_C_GENERAL,
1587 .group = FIO_OPT_G_DESC,
1588 },
214e1eca
JA
1589 {
1590 .name = "filename",
e8b0e958 1591 .lname = "Filename(s)",
214e1eca 1592 .type = FIO_OPT_STR_STORE,
a609f12a 1593 .off1 = offsetof(struct thread_options, filename),
214e1eca 1594 .cb = str_filename_cb,
f0d524b0 1595 .prio = -1, /* must come after "directory" */
214e1eca 1596 .help = "File(s) to use for the workload",
e8b0e958 1597 .category = FIO_OPT_C_FILE,
0626037e 1598 .group = FIO_OPT_G_FILENAME,
214e1eca 1599 },
90fef2d1 1600 {
e8b0e958
JA
1601 .name = "directory",
1602 .lname = "Directory",
1603 .type = FIO_OPT_STR_STORE,
a609f12a 1604 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA
1605 .cb = str_directory_cb,
1606 .help = "Directory to store files in",
1607 .category = FIO_OPT_C_FILE,
0626037e 1608 .group = FIO_OPT_G_FILENAME,
90fef2d1 1609 },
de98bd30
JA
1610 {
1611 .name = "filename_format",
922a5be8 1612 .lname = "Filename Format",
de98bd30 1613 .type = FIO_OPT_STR_STORE,
a609f12a 1614 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA
1615 .prio = -1, /* must come after "directory" */
1616 .help = "Override default $jobname.$jobnum.$filenum naming",
1617 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA
1618 .category = FIO_OPT_C_FILE,
1619 .group = FIO_OPT_G_FILENAME,
ad705bcb 1620 },
922a5be8
JA
1621 {
1622 .name = "unique_filename",
1623 .lname = "Unique Filename",
1624 .type = FIO_OPT_BOOL,
a609f12a 1625 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA
1626 .help = "For network clients, prefix file with source IP",
1627 .def = "1",
1628 .category = FIO_OPT_C_FILE,
1629 .group = FIO_OPT_G_FILENAME,
1630 },
29c1349f
JA
1631 {
1632 .name = "lockfile",
e8b0e958 1633 .lname = "Lockfile",
4d4e80f2 1634 .type = FIO_OPT_STR,
a609f12a 1635 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1636 .help = "Lock file when doing IO to it",
bc6a0a5d 1637 .prio = 1,
29c1349f 1638 .parent = "filename",
d71c154c 1639 .hide = 0,
4d4e80f2 1640 .def = "none",
e8b0e958 1641 .category = FIO_OPT_C_FILE,
0626037e 1642 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA
1643 .posval = {
1644 { .ival = "none",
1645 .oval = FILE_LOCK_NONE,
1646 .help = "No file locking",
1647 },
1648 { .ival = "exclusive",
1649 .oval = FILE_LOCK_EXCLUSIVE,
1650 .help = "Exclusive file lock",
1651 },
1652 {
1653 .ival = "readwrite",
1654 .oval = FILE_LOCK_READWRITE,
1655 .help = "Read vs write lock",
1656 },
1657 },
29c1349f 1658 },
214e1eca
JA
1659 {
1660 .name = "opendir",
e8b0e958 1661 .lname = "Open directory",
214e1eca 1662 .type = FIO_OPT_STR_STORE,
a609f12a 1663 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA
1664 .cb = str_opendir_cb,
1665 .help = "Recursively add files from this directory and down",
e8b0e958 1666 .category = FIO_OPT_C_FILE,
0626037e 1667 .group = FIO_OPT_G_FILENAME,
214e1eca
JA
1668 },
1669 {
1670 .name = "rw",
e8b0e958 1671 .lname = "Read/write",
d3aad8f2 1672 .alias = "readwrite",
214e1eca 1673 .type = FIO_OPT_STR,
211097b2 1674 .cb = str_rw_cb,
a609f12a 1675 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA
1676 .help = "IO direction",
1677 .def = "read",
896cac2a 1678 .verify = rw_verify,
e8b0e958 1679 .category = FIO_OPT_C_IO,
0626037e 1680 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1681 .posval = {
1682 { .ival = "read",
1683 .oval = TD_DDIR_READ,
1684 .help = "Sequential read",
1685 },
1686 { .ival = "write",
1687 .oval = TD_DDIR_WRITE,
1688 .help = "Sequential write",
1689 },
6eaf09d6
SL
1690 { .ival = "trim",
1691 .oval = TD_DDIR_TRIM,
1692 .help = "Sequential trim",
1693 },
214e1eca
JA
1694 { .ival = "randread",
1695 .oval = TD_DDIR_RANDREAD,
1696 .help = "Random read",
1697 },
1698 { .ival = "randwrite",
1699 .oval = TD_DDIR_RANDWRITE,
1700 .help = "Random write",
1701 },
6eaf09d6
SL
1702 { .ival = "randtrim",
1703 .oval = TD_DDIR_RANDTRIM,
1704 .help = "Random trim",
1705 },
214e1eca
JA
1706 { .ival = "rw",
1707 .oval = TD_DDIR_RW,
1708 .help = "Sequential read and write mix",
1709 },
10b023db
JA
1710 { .ival = "readwrite",
1711 .oval = TD_DDIR_RW,
1712 .help = "Sequential read and write mix",
1713 },
214e1eca
JA
1714 { .ival = "randrw",
1715 .oval = TD_DDIR_RANDRW,
1716 .help = "Random read and write mix"
1717 },
82a90686
JA
1718 { .ival = "trimwrite",
1719 .oval = TD_DDIR_TRIMWRITE,
1720 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1721 },
214e1eca
JA
1722 },
1723 },
38dad62d
JA
1724 {
1725 .name = "rw_sequencer",
e8b0e958 1726 .lname = "RW Sequencer",
38dad62d 1727 .type = FIO_OPT_STR,
a609f12a 1728 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA
1729 .help = "IO offset generator modifier",
1730 .def = "sequential",
e8b0e958 1731 .category = FIO_OPT_C_IO,
0626037e 1732 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA
1733 .posval = {
1734 { .ival = "sequential",
1735 .oval = RW_SEQ_SEQ,
1736 .help = "Generate sequential offsets",
1737 },
1738 { .ival = "identical",
1739 .oval = RW_SEQ_IDENT,
1740 .help = "Generate identical offsets",
1741 },
1742 },
1743 },
1744
214e1eca
JA
1745 {
1746 .name = "ioengine",
e8b0e958 1747 .lname = "IO Engine",
214e1eca 1748 .type = FIO_OPT_STR_STORE,
a609f12a 1749 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1750 .help = "IO engine to use",
58483fa4 1751 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1752 .category = FIO_OPT_C_IO,
0626037e 1753 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1754 .posval = {
1755 { .ival = "sync",
1756 .help = "Use read/write",
1757 },
a31041ea 1758 { .ival = "psync",
1759 .help = "Use pread/pwrite",
1760 },
1d2af02a 1761 { .ival = "vsync",
03e20d68 1762 .help = "Use readv/writev",
1d2af02a 1763 },
07fc0acd
JA
1764#ifdef CONFIG_PWRITEV
1765 { .ival = "pvsync",
1766 .help = "Use preadv/pwritev",
1767 },
1768#endif
6562685f 1769#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA
1770 { .ival = "pvsync2",
1771 .help = "Use preadv2/pwritev2",
1772 },
1773#endif
67bf9823 1774#ifdef CONFIG_LIBAIO
214e1eca
JA
1775 { .ival = "libaio",
1776 .help = "Linux native asynchronous IO",
1777 },
1778#endif
bffad86f
JA
1779#ifdef ARCH_HAVE_IOURING
1780 { .ival = "io_uring",
1781 .help = "Fast Linux native aio",
52885fa2
JA
1782 },
1783#endif
67bf9823 1784#ifdef CONFIG_POSIXAIO
214e1eca
JA
1785 { .ival = "posixaio",
1786 .help = "POSIX asynchronous IO",
1787 },
417f0068 1788#endif
997843cb 1789#ifdef CONFIG_SOLARISAIO
417f0068
JA
1790 { .ival = "solarisaio",
1791 .help = "Solaris native asynchronous IO",
1792 },
214e1eca 1793#endif
4700b234 1794#ifdef CONFIG_WINDOWSAIO
03e20d68 1795 { .ival = "windowsaio",
3be80071 1796 .help = "Windows native asynchronous IO"
de890a1e 1797 },
fc5c0345
DG
1798#endif
1799#ifdef CONFIG_RBD
1800 { .ival = "rbd",
1801 .help = "Rados Block Device asynchronous IO"
1802 },
3be80071 1803#endif
214e1eca 1804 { .ival = "mmap",
03e20d68 1805 .help = "Memory mapped IO"
214e1eca 1806 },
67bf9823 1807#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA
1808 { .ival = "splice",
1809 .help = "splice/vmsplice based IO",
1810 },
9cce02e8
JA
1811 { .ival = "netsplice",
1812 .help = "splice/vmsplice to/from the network",
1813 },
214e1eca
JA
1814#endif
1815#ifdef FIO_HAVE_SGIO
1816 { .ival = "sg",
1817 .help = "SCSI generic v3 IO",
1818 },
1819#endif
1820 { .ival = "null",
1821 .help = "Testing engine (no data transfer)",
1822 },
1823 { .ival = "net",
1824 .help = "Network IO",
1825 },
214e1eca 1826 { .ival = "cpuio",
03e20d68 1827 .help = "CPU cycle burner engine",
214e1eca 1828 },
67bf9823 1829#ifdef CONFIG_GUASI
b8c82a46
JA
1830 { .ival = "guasi",
1831 .help = "GUASI IO engine",
1832 },
79a43187 1833#endif
67bf9823 1834#ifdef CONFIG_RDMA
21b8aee8 1835 { .ival = "rdma",
1836 .help = "RDMA IO engine",
1837 },
8200b8c7 1838#endif
997843cb 1839#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA
1840 { .ival = "e4defrag",
1841 .help = "ext4 defrag engine",
1842 },
1843#endif
997843cb 1844#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA
1845 { .ival = "falloc",
1846 .help = "fallocate() file based engine",
1847 },
b8c82a46 1848#endif
a7c386f4 1849#ifdef CONFIG_GFAPI
1850 { .ival = "gfapi",
cc47f094 1851 .help = "Glusterfs libgfapi(sync) based engine"
1852 },
1853 { .ival = "gfapi_async",
1854 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1855 },
1856#endif
1b10477b 1857#ifdef CONFIG_LIBHDFS
b74e419e 1858 { .ival = "libhdfs",
1b10477b
MM
1859 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1860 },
5c4ef02e
JA
1861#endif
1862#ifdef CONFIG_PMEMBLK
1863 { .ival = "pmemblk",
363a5f65 1864 .help = "PMDK libpmemblk based IO engine",
5c4ef02e
JA
1865 },
1866
104ee4de 1867#endif
a40e7a59
GB
1868#ifdef CONFIG_IME
1869 { .ival = "ime_psync",
1870 .help = "DDN's IME synchronous IO engine",
1871 },
1872 { .ival = "ime_psyncv",
1873 .help = "DDN's IME synchronous IO engine using iovecs",
1874 },
1875 { .ival = "ime_aio",
1876 .help = "DDN's IME asynchronous IO engine",
1877 },
1878#endif
104ee4de
DJ
1879#ifdef CONFIG_LINUX_DEVDAX
1880 { .ival = "dev-dax",
1881 .help = "DAX Device based IO engine",
1882 },
1b10477b 1883#endif
edc5fa12
JA
1884 {
1885 .ival = "filecreate",
1886 .help = "File creation engine",
1887 },
214e1eca
JA
1888 { .ival = "external",
1889 .help = "Load external engine (append name)",
6730b40f 1890 .cb = str_ioengine_external_cb,
214e1eca 1891 },
ae0db592
TI
1892#ifdef CONFIG_LIBPMEM
1893 { .ival = "libpmem",
363a5f65 1894 .help = "PMDK libpmem based IO engine",
ae0db592 1895 },
c2f6a13d
LMB
1896#endif
1897#ifdef CONFIG_HTTP
1898 { .ival = "http",
1899 .help = "HTTP (WebDAV/S3) IO engine",
1900 },
ae0db592 1901#endif
214e1eca
JA
1902 },
1903 },
1904 {
1905 .name = "iodepth",
e8b0e958 1906 .lname = "IO Depth",
214e1eca 1907 .type = FIO_OPT_INT,
a609f12a 1908 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1909 .help = "Number of IO buffers to keep in flight",
757aff4f 1910 .minval = 1,
20eb06bd 1911 .interval = 1,
214e1eca 1912 .def = "1",
e8b0e958 1913 .category = FIO_OPT_C_IO,
0626037e 1914 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1915 },
1916 {
1917 .name = "iodepth_batch",
e8b0e958 1918 .lname = "IO Depth batch",
4950421a 1919 .alias = "iodepth_batch_submit",
214e1eca 1920 .type = FIO_OPT_INT,
a609f12a 1921 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1922 .help = "Number of IO buffers to submit in one go",
afdf9352 1923 .parent = "iodepth",
d71c154c 1924 .hide = 1,
20eb06bd 1925 .interval = 1,
a2e6f8ac 1926 .def = "1",
e8b0e958 1927 .category = FIO_OPT_C_IO,
0626037e 1928 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA
1929 },
1930 {
82407585
RP
1931 .name = "iodepth_batch_complete_min",
1932 .lname = "Min IO depth batch complete",
1933 .alias = "iodepth_batch_complete",
4950421a 1934 .type = FIO_OPT_INT,
a609f12a 1935 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1936 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1937 .parent = "iodepth",
d71c154c 1938 .hide = 1,
4950421a 1939 .minval = 0,
20eb06bd 1940 .interval = 1,
4950421a 1941 .def = "1",
e8b0e958 1942 .category = FIO_OPT_C_IO,
0626037e 1943 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1944 },
82407585
RP
1945 {
1946 .name = "iodepth_batch_complete_max",
1947 .lname = "Max IO depth batch complete",
1948 .type = FIO_OPT_INT,
a609f12a 1949 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP
1950 .help = "Max number of IO buffers to retrieve in one go",
1951 .parent = "iodepth",
1952 .hide = 1,
1953 .minval = 0,
1954 .interval = 1,
1955 .category = FIO_OPT_C_IO,
1956 .group = FIO_OPT_G_IO_BASIC,
1957 },
214e1eca
JA
1958 {
1959 .name = "iodepth_low",
e8b0e958 1960 .lname = "IO Depth batch low",
214e1eca 1961 .type = FIO_OPT_INT,
a609f12a 1962 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1963 .help = "Low water mark for queuing depth",
afdf9352 1964 .parent = "iodepth",
d71c154c 1965 .hide = 1,
20eb06bd 1966 .interval = 1,
e8b0e958 1967 .category = FIO_OPT_C_IO,
0626037e 1968 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1969 },
997b5680
SW
1970 {
1971 .name = "serialize_overlap",
1972 .lname = "Serialize overlap",
1973 .off1 = offsetof(struct thread_options, serialize_overlap),
1974 .type = FIO_OPT_BOOL,
1975 .help = "Wait for in-flight IOs that collide to complete",
1976 .parent = "iodepth",
1977 .def = "0",
1978 .category = FIO_OPT_C_IO,
1979 .group = FIO_OPT_G_IO_BASIC,
1980 },
a9da8ab2
JA
1981 {
1982 .name = "io_submit_mode",
1983 .lname = "IO submit mode",
1984 .type = FIO_OPT_STR,
a609f12a 1985 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA
1986 .help = "How IO submissions and completions are done",
1987 .def = "inline",
1988 .category = FIO_OPT_C_IO,
1989 .group = FIO_OPT_G_IO_BASIC,
1990 .posval = {
1991 { .ival = "inline",
1992 .oval = IO_MODE_INLINE,
1993 .help = "Submit and complete IO inline",
1994 },
1995 { .ival = "offload",
1996 .oval = IO_MODE_OFFLOAD,
1997 .help = "Offload submit and complete to threads",
1998 },
1999 },
2000 },
214e1eca
JA
2001 {
2002 .name = "size",
e8b0e958 2003 .lname = "Size",
214e1eca 2004 .type = FIO_OPT_STR_VAL,
7bb59102 2005 .cb = str_size_cb,
a609f12a 2006 .off1 = offsetof(struct thread_options, size),
214e1eca 2007 .help = "Total size of device or files",
20eb06bd 2008 .interval = 1024 * 1024,
e8b0e958
JA
2009 .category = FIO_OPT_C_IO,
2010 .group = FIO_OPT_G_INVALID,
214e1eca 2011 },
77731b29 2012 {
a4d3b4db
JA
2013 .name = "io_size",
2014 .alias = "io_limit",
2015 .lname = "IO Size",
77731b29 2016 .type = FIO_OPT_STR_VAL,
5be9bf09 2017 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 2018 .help = "Total size of I/O to be performed",
77731b29
JA
2019 .interval = 1024 * 1024,
2020 .category = FIO_OPT_C_IO,
2021 .group = FIO_OPT_G_INVALID,
2022 },
aa31f1f1
SL
2023 {
2024 .name = "fill_device",
e8b0e958 2025 .lname = "Fill device",
74586c1e 2026 .alias = "fill_fs",
aa31f1f1 2027 .type = FIO_OPT_BOOL,
a609f12a 2028 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL
2029 .help = "Write until an ENOSPC error occurs",
2030 .def = "0",
e8b0e958
JA
2031 .category = FIO_OPT_C_FILE,
2032 .group = FIO_OPT_G_INVALID,
aa31f1f1 2033 },
214e1eca
JA
2034 {
2035 .name = "filesize",
e8b0e958 2036 .lname = "File size",
214e1eca 2037 .type = FIO_OPT_STR_VAL,
a609f12a
JA
2038 .off1 = offsetof(struct thread_options, file_size_low),
2039 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 2040 .minval = 1,
214e1eca 2041 .help = "Size of individual files",
20eb06bd 2042 .interval = 1024 * 1024,
e8b0e958
JA
2043 .category = FIO_OPT_C_FILE,
2044 .group = FIO_OPT_G_INVALID,
214e1eca 2045 },
bedc9dc2
JA
2046 {
2047 .name = "file_append",
2048 .lname = "File append",
2049 .type = FIO_OPT_BOOL,
a609f12a 2050 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA
2051 .help = "IO will start at the end of the file(s)",
2052 .def = "0",
2053 .category = FIO_OPT_C_FILE,
2054 .group = FIO_OPT_G_INVALID,
2055 },
67a1000f
JA
2056 {
2057 .name = "offset",
e8b0e958 2058 .lname = "IO offset",
67a1000f
JA
2059 .alias = "fileoffset",
2060 .type = FIO_OPT_STR_VAL,
89978a6b 2061 .cb = str_offset_cb,
a609f12a 2062 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA
2063 .help = "Start IO from this offset",
2064 .def = "0",
20eb06bd 2065 .interval = 1024 * 1024,
e8b0e958
JA
2066 .category = FIO_OPT_C_IO,
2067 .group = FIO_OPT_G_INVALID,
67a1000f 2068 },
83c8b093
JF
2069 {
2070 .name = "offset_align",
2071 .lname = "IO offset alignment",
2072 .type = FIO_OPT_INT,
2073 .off1 = offsetof(struct thread_options, start_offset_align),
2074 .help = "Start IO from this offset alignment",
2075 .def = "0",
2076 .interval = 512,
2077 .category = FIO_OPT_C_IO,
2078 .group = FIO_OPT_G_INVALID,
2079 },
2d7cd868
JA
2080 {
2081 .name = "offset_increment",
e8b0e958 2082 .lname = "IO offset increment",
2d7cd868 2083 .type = FIO_OPT_STR_VAL,
a609f12a 2084 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA
2085 .help = "What is the increment from one offset to the next",
2086 .parent = "offset",
d71c154c 2087 .hide = 1,
2d7cd868 2088 .def = "0",
20eb06bd 2089 .interval = 1024 * 1024,
e8b0e958
JA
2090 .category = FIO_OPT_C_IO,
2091 .group = FIO_OPT_G_INVALID,
2d7cd868 2092 },
ddf24e42
JA
2093 {
2094 .name = "number_ios",
2095 .lname = "Number of IOs to perform",
2096 .type = FIO_OPT_STR_VAL,
a609f12a 2097 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2098 .help = "Force job completion after this number of IOs",
ddf24e42
JA
2099 .def = "0",
2100 .category = FIO_OPT_C_IO,
2101 .group = FIO_OPT_G_INVALID,
2102 },
214e1eca
JA
2103 {
2104 .name = "bs",
e8b0e958 2105 .lname = "Block size",
d3aad8f2 2106 .alias = "blocksize",
5fff9543 2107 .type = FIO_OPT_ULL,
a609f12a
JA
2108 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2109 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2110 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2111 .minval = 1,
214e1eca 2112 .help = "Block size unit",
2b9136a3 2113 .def = "4096",
67a1000f 2114 .parent = "rw",
d71c154c 2115 .hide = 1,
20eb06bd 2116 .interval = 512,
e8b0e958
JA
2117 .category = FIO_OPT_C_IO,
2118 .group = FIO_OPT_G_INVALID,
214e1eca 2119 },
2b7a01d0
JA
2120 {
2121 .name = "ba",
e8b0e958 2122 .lname = "Block size align",
2b7a01d0 2123 .alias = "blockalign",
5fff9543 2124 .type = FIO_OPT_ULL,
a609f12a
JA
2125 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2126 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2127 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA
2128 .minval = 1,
2129 .help = "IO block offset alignment",
2130 .parent = "rw",
d71c154c 2131 .hide = 1,
20eb06bd 2132 .interval = 512,
e8b0e958
JA
2133 .category = FIO_OPT_C_IO,
2134 .group = FIO_OPT_G_INVALID,
2b7a01d0 2135 },
214e1eca
JA
2136 {
2137 .name = "bsrange",
e8b0e958 2138 .lname = "Block size range",
d3aad8f2 2139 .alias = "blocksize_range",
214e1eca 2140 .type = FIO_OPT_RANGE,
a609f12a
JA
2141 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2142 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2143 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2144 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2145 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2146 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2147 .minval = 1,
214e1eca 2148 .help = "Set block size range (in more detail than bs)",
67a1000f 2149 .parent = "rw",
d71c154c 2150 .hide = 1,
20eb06bd 2151 .interval = 4096,
e8b0e958
JA
2152 .category = FIO_OPT_C_IO,
2153 .group = FIO_OPT_G_INVALID,
214e1eca 2154 },
564ca972
JA
2155 {
2156 .name = "bssplit",
e8b0e958 2157 .lname = "Block size split",
5fff9543 2158 .type = FIO_OPT_STR_ULL,
564ca972 2159 .cb = str_bssplit_cb,
a609f12a 2160 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA
2161 .help = "Set a specific mix of block sizes",
2162 .parent = "rw",
d71c154c 2163 .hide = 1,
e8b0e958
JA
2164 .category = FIO_OPT_C_IO,
2165 .group = FIO_OPT_G_INVALID,
564ca972 2166 },
214e1eca
JA
2167 {
2168 .name = "bs_unaligned",
e8b0e958 2169 .lname = "Block size unaligned",
d3aad8f2 2170 .alias = "blocksize_unaligned",
214e1eca 2171 .type = FIO_OPT_STR_SET,
a609f12a 2172 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2173 .help = "Don't sector align IO buffer sizes",
67a1000f 2174 .parent = "rw",
d71c154c 2175 .hide = 1,
e8b0e958
JA
2176 .category = FIO_OPT_C_IO,
2177 .group = FIO_OPT_G_INVALID,
214e1eca 2178 },
6aca9b3d
JA
2179 {
2180 .name = "bs_is_seq_rand",
2181 .lname = "Block size division is seq/random (not read/write)",
2182 .type = FIO_OPT_BOOL,
a609f12a 2183 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2184 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA
2185 .def = "0",
2186 .parent = "blocksize",
2187 .category = FIO_OPT_C_IO,
2188 .group = FIO_OPT_G_INVALID,
2189 },
214e1eca
JA
2190 {
2191 .name = "randrepeat",
e8b0e958 2192 .lname = "Random repeatable",
214e1eca 2193 .type = FIO_OPT_BOOL,
a609f12a 2194 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA
2195 .help = "Use repeatable random IO pattern",
2196 .def = "1",
67a1000f 2197 .parent = "rw",
d71c154c 2198 .hide = 1,
e8b0e958 2199 .category = FIO_OPT_C_IO,
3ceb458f 2200 .group = FIO_OPT_G_RANDOM,
214e1eca 2201 },
04778baf
JA
2202 {
2203 .name = "randseed",
2204 .lname = "The random generator seed",
363cffa7 2205 .type = FIO_OPT_STR_VAL,
a609f12a 2206 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2207 .help = "Set the random generator seed value",
40fe5e7b 2208 .def = "0x89",
04778baf
JA
2209 .parent = "rw",
2210 .category = FIO_OPT_C_IO,
2211 .group = FIO_OPT_G_RANDOM,
2212 },
214e1eca
JA
2213 {
2214 .name = "norandommap",
e8b0e958 2215 .lname = "No randommap",
214e1eca 2216 .type = FIO_OPT_STR_SET,
a609f12a 2217 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2218 .help = "Accept potential duplicate random blocks",
67a1000f 2219 .parent = "rw",
d71c154c 2220 .hide = 1,
b2452a43 2221 .hide_on_set = 1,
e8b0e958 2222 .category = FIO_OPT_C_IO,
3ceb458f 2223 .group = FIO_OPT_G_RANDOM,
214e1eca 2224 },
2b386d25
JA
2225 {
2226 .name = "softrandommap",
e8b0e958 2227 .lname = "Soft randommap",
2b386d25 2228 .type = FIO_OPT_BOOL,
a609f12a 2229 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2230 .help = "Set norandommap if randommap allocation fails",
2b386d25 2231 .parent = "norandommap",
d71c154c 2232 .hide = 1,
2b386d25 2233 .def = "0",
e8b0e958 2234 .category = FIO_OPT_C_IO,
3ceb458f 2235 .group = FIO_OPT_G_RANDOM,
2b386d25 2236 },
8055e41d
JA
2237 {
2238 .name = "random_generator",
cce2fdfe 2239 .lname = "Random Generator",
8055e41d 2240 .type = FIO_OPT_STR,
a609f12a 2241 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA
2242 .help = "Type of random number generator to use",
2243 .def = "tausworthe",
2244 .posval = {
2245 { .ival = "tausworthe",
2246 .oval = FIO_RAND_GEN_TAUSWORTHE,
2247 .help = "Strong Tausworthe generator",
2248 },
2249 { .ival = "lfsr",
2250 .oval = FIO_RAND_GEN_LFSR,
2251 .help = "Variable length LFSR",
2252 },
c3546b53
JA
2253 {
2254 .ival = "tausworthe64",
2255 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2256 .help = "64-bit Tausworthe variant",
2257 },
8055e41d 2258 },
48107598
JA
2259 .category = FIO_OPT_C_IO,
2260 .group = FIO_OPT_G_RANDOM,
8055e41d 2261 },
e25839d4
JA
2262 {
2263 .name = "random_distribution",
cce2fdfe 2264 .lname = "Random Distribution",
e25839d4 2265 .type = FIO_OPT_STR,
a609f12a 2266 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA
2267 .cb = str_random_distribution_cb,
2268 .help = "Random offset distribution generator",
2269 .def = "random",
2270 .posval = {
2271 { .ival = "random",
2272 .oval = FIO_RAND_DIST_RANDOM,
2273 .help = "Completely random",
2274 },
2275 { .ival = "zipf",
2276 .oval = FIO_RAND_DIST_ZIPF,
2277 .help = "Zipf distribution",
2278 },
925fee33
JA
2279 { .ival = "pareto",
2280 .oval = FIO_RAND_DIST_PARETO,
2281 .help = "Pareto distribution",
2282 },
56d9fa4b
JA
2283 { .ival = "normal",
2284 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2285 .help = "Normal (Gaussian) distribution",
56d9fa4b 2286 },
e0a04ac1
JA
2287 { .ival = "zoned",
2288 .oval = FIO_RAND_DIST_ZONED,
2289 .help = "Zoned random distribution",
2290 },
59466396
JA
2291 { .ival = "zoned_abs",
2292 .oval = FIO_RAND_DIST_ZONED_ABS,
2293 .help = "Zoned absolute random distribution",
2294 },
e25839d4 2295 },
48107598
JA
2296 .category = FIO_OPT_C_IO,
2297 .group = FIO_OPT_G_RANDOM,
e25839d4 2298 },
211c9b89
JA
2299 {
2300 .name = "percentage_random",
2301 .lname = "Percentage Random",
2302 .type = FIO_OPT_INT,
a609f12a
JA
2303 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2304 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2305 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA
2306 .maxval = 100,
2307 .help = "Percentage of seq/random mix that should be random",
d9472271 2308 .def = "100,100,100",
211c9b89
JA
2309 .interval = 5,
2310 .inverse = "percentage_sequential",
2311 .category = FIO_OPT_C_IO,
2312 .group = FIO_OPT_G_RANDOM,
2313 },
2314 {
2315 .name = "percentage_sequential",
2316 .lname = "Percentage Sequential",
d9472271 2317 .type = FIO_OPT_DEPRECATED,
211c9b89
JA
2318 .category = FIO_OPT_C_IO,
2319 .group = FIO_OPT_G_RANDOM,
2320 },
56e2a5fc
CE
2321 {
2322 .name = "allrandrepeat",
cce2fdfe 2323 .lname = "All Random Repeat",
56e2a5fc 2324 .type = FIO_OPT_BOOL,
a609f12a 2325 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE
2326 .help = "Use repeatable random numbers for everything",
2327 .def = "0",
a869d9c6
JA
2328 .category = FIO_OPT_C_IO,
2329 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2330 },
214e1eca
JA
2331 {
2332 .name = "nrfiles",
e8b0e958 2333 .lname = "Number of files",
d7c8be03 2334 .alias = "nr_files",
214e1eca 2335 .type = FIO_OPT_INT,
a609f12a 2336 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA
2337 .help = "Split job workload between this number of files",
2338 .def = "1",
20eb06bd 2339 .interval = 1,
e8b0e958
JA
2340 .category = FIO_OPT_C_FILE,
2341 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2342 },
2343 {
2344 .name = "openfiles",
e8b0e958 2345 .lname = "Number of open files",
214e1eca 2346 .type = FIO_OPT_INT,
a609f12a 2347 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2348 .help = "Number of files to keep open at the same time",
e8b0e958
JA
2349 .category = FIO_OPT_C_FILE,
2350 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2351 },
2352 {
2353 .name = "file_service_type",
e8b0e958 2354 .lname = "File service type",
214e1eca
JA
2355 .type = FIO_OPT_STR,
2356 .cb = str_fst_cb,
a609f12a 2357 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA
2358 .help = "How to select which file to service next",
2359 .def = "roundrobin",
e8b0e958
JA
2360 .category = FIO_OPT_C_FILE,
2361 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2362 .posval = {
2363 { .ival = "random",
2364 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA
2365 .help = "Choose a file at random (uniform)",
2366 },
2367 { .ival = "zipf",
2368 .oval = FIO_FSERVICE_ZIPF,
2369 .help = "Zipf randomized",
2370 },
2371 { .ival = "pareto",
2372 .oval = FIO_FSERVICE_PARETO,
2373 .help = "Pareto randomized",
2374 },
dd3503d3
SW
2375 { .ival = "normal",
2376 .oval = FIO_FSERVICE_GAUSS,
2377 .help = "Normal (Gaussian) randomized",
2378 },
8c07860d
JA
2379 { .ival = "gauss",
2380 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2381 .help = "Alias for normal",
214e1eca
JA
2382 },
2383 { .ival = "roundrobin",
2384 .oval = FIO_FSERVICE_RR,
2385 .help = "Round robin select files",
2386 },
a086c257
JA
2387 { .ival = "sequential",
2388 .oval = FIO_FSERVICE_SEQ,
2389 .help = "Finish one file before moving to the next",
2390 },
214e1eca 2391 },
67a1000f 2392 .parent = "nrfiles",
d71c154c 2393 .hide = 1,
67a1000f 2394 },
cbbdf1c8 2395#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA
2396 {
2397 .name = "fallocate",
e8b0e958 2398 .lname = "Fallocate",
a596f047 2399 .type = FIO_OPT_STR,
a609f12a 2400 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2401 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2402 .def = "native",
e8b0e958
JA
2403 .category = FIO_OPT_C_FILE,
2404 .group = FIO_OPT_G_INVALID,
a596f047
EG
2405 .posval = {
2406 { .ival = "none",
2407 .oval = FIO_FALLOCATE_NONE,
2408 .help = "Do not pre-allocate space",
2409 },
2c3e17be
SW
2410 { .ival = "native",
2411 .oval = FIO_FALLOCATE_NATIVE,
2412 .help = "Use native pre-allocation if possible",
2413 },
2414#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG
2415 { .ival = "posix",
2416 .oval = FIO_FALLOCATE_POSIX,
2417 .help = "Use posix_fallocate()",
2418 },
2c3e17be 2419#endif
97ac992c 2420#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG
2421 { .ival = "keep",
2422 .oval = FIO_FALLOCATE_KEEP_SIZE,
2423 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2424 },
7bc8c2cf 2425#endif
a596f047
EG
2426 /* Compatibility with former boolean values */
2427 { .ival = "0",
2428 .oval = FIO_FALLOCATE_NONE,
2429 .help = "Alias for 'none'",
2430 },
2c3e17be 2431#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG
2432 { .ival = "1",
2433 .oval = FIO_FALLOCATE_POSIX,
2434 .help = "Alias for 'posix'",
2435 },
2c3e17be 2436#endif
a596f047
EG
2437 },
2438 },
cbbdf1c8 2439#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA
2440 {
2441 .name = "fallocate",
2442 .lname = "Fallocate",
2443 .type = FIO_OPT_UNSUPPORTED,
2444 .help = "Your platform does not support fallocate",
2445 },
cbbdf1c8 2446#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA
2447 {
2448 .name = "fadvise_hint",
e8b0e958 2449 .lname = "Fadvise hint",
ecb2083d 2450 .type = FIO_OPT_STR,
a609f12a 2451 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA
2452 .posval = {
2453 { .ival = "0",
2454 .oval = F_ADV_NONE,
c712c97a 2455 .help = "Don't issue fadvise/madvise",
ecb2083d
JA
2456 },
2457 { .ival = "1",
2458 .oval = F_ADV_TYPE,
2459 .help = "Advise using fio IO pattern",
2460 },
2461 { .ival = "random",
2462 .oval = F_ADV_RANDOM,
2463 .help = "Advise using FADV_RANDOM",
2464 },
2465 { .ival = "sequential",
2466 .oval = F_ADV_SEQUENTIAL,
2467 .help = "Advise using FADV_SEQUENTIAL",
2468 },
2469 },
67a1000f
JA
2470 .help = "Use fadvise() to advise the kernel on IO pattern",
2471 .def = "1",
e8b0e958
JA
2472 .category = FIO_OPT_C_FILE,
2473 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2474 },
2475 {
2476 .name = "fsync",
e8b0e958 2477 .lname = "Fsync",
214e1eca 2478 .type = FIO_OPT_INT,
a609f12a 2479 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA
2480 .help = "Issue fsync for writes every given number of blocks",
2481 .def = "0",
20eb06bd 2482 .interval = 1,
e8b0e958
JA
2483 .category = FIO_OPT_C_FILE,
2484 .group = FIO_OPT_G_INVALID,
214e1eca 2485 },
5f9099ea
JA
2486 {
2487 .name = "fdatasync",
e8b0e958 2488 .lname = "Fdatasync",
5f9099ea 2489 .type = FIO_OPT_INT,
a609f12a 2490 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA
2491 .help = "Issue fdatasync for writes every given number of blocks",
2492 .def = "0",
20eb06bd 2493 .interval = 1,
e8b0e958
JA
2494 .category = FIO_OPT_C_FILE,
2495 .group = FIO_OPT_G_INVALID,
5f9099ea 2496 },
1ef2b6be
JA
2497 {
2498 .name = "write_barrier",
e8b0e958 2499 .lname = "Write barrier",
1ef2b6be 2500 .type = FIO_OPT_INT,
a609f12a 2501 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA
2502 .help = "Make every Nth write a barrier write",
2503 .def = "0",
20eb06bd 2504 .interval = 1,
e8b0e958
JA
2505 .category = FIO_OPT_C_IO,
2506 .group = FIO_OPT_G_INVALID,
1ef2b6be 2507 },
67bf9823 2508#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
2509 {
2510 .name = "sync_file_range",
e8b0e958 2511 .lname = "Sync file range",
44f29692
JA
2512 .posval = {
2513 { .ival = "wait_before",
2514 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2515 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2516 .orval = 1,
44f29692
JA
2517 },
2518 { .ival = "write",
2519 .oval = SYNC_FILE_RANGE_WRITE,
2520 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2521 .orval = 1,
44f29692
JA
2522 },
2523 {
2524 .ival = "wait_after",
2525 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2526 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2527 .orval = 1,
44f29692
JA
2528 },
2529 },
3843deb3 2530 .type = FIO_OPT_STR_MULTI,
44f29692 2531 .cb = str_sfr_cb,
a609f12a 2532 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2533 .help = "Use sync_file_range()",
e8b0e958
JA
2534 .category = FIO_OPT_C_FILE,
2535 .group = FIO_OPT_G_INVALID,
44f29692 2536 },
a275c37a 2537#else
54d0a315 2538 {
a275c37a
JA
2539 .name = "sync_file_range",
2540 .lname = "Sync file range",
2541 .type = FIO_OPT_UNSUPPORTED,
2542 .help = "Your platform does not support sync_file_range",
2543 },
44f29692 2544#endif
214e1eca
JA
2545 {
2546 .name = "direct",
e8b0e958 2547 .lname = "Direct I/O",
214e1eca 2548 .type = FIO_OPT_BOOL,
a609f12a 2549 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA
2550 .help = "Use O_DIRECT IO (negates buffered)",
2551 .def = "0",
a01a1bc5 2552 .inverse = "buffered",
e8b0e958 2553 .category = FIO_OPT_C_IO,
3ceb458f 2554 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2555 },
d01612f3
CM
2556 {
2557 .name = "atomic",
2558 .lname = "Atomic I/O",
2559 .type = FIO_OPT_BOOL,
a609f12a 2560 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM
2561 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2562 .def = "0",
2563 .category = FIO_OPT_C_IO,
2564 .group = FIO_OPT_G_IO_TYPE,
2565 },
214e1eca
JA
2566 {
2567 .name = "buffered",
e8b0e958 2568 .lname = "Buffered I/O",
214e1eca 2569 .type = FIO_OPT_BOOL,
a609f12a 2570 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA
2571 .neg = 1,
2572 .help = "Use buffered IO (negates direct)",
2573 .def = "1",
a01a1bc5 2574 .inverse = "direct",
e8b0e958 2575 .category = FIO_OPT_C_IO,
3ceb458f 2576 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
2577 },
2578 {
2579 .name = "overwrite",
e8b0e958 2580 .lname = "Overwrite",
214e1eca 2581 .type = FIO_OPT_BOOL,
a609f12a 2582 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA
2583 .help = "When writing, set whether to overwrite current data",
2584 .def = "0",
e8b0e958
JA
2585 .category = FIO_OPT_C_FILE,
2586 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2587 },
2588 {
2589 .name = "loops",
e8b0e958 2590 .lname = "Loops",
214e1eca 2591 .type = FIO_OPT_INT,
a609f12a 2592 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA
2593 .help = "Number of times to run the job",
2594 .def = "1",
20eb06bd 2595 .interval = 1,
e8b0e958 2596 .category = FIO_OPT_C_GENERAL,
a1f6afec 2597 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2598 },
2599 {
2600 .name = "numjobs",
e8b0e958 2601 .lname = "Number of jobs",
214e1eca 2602 .type = FIO_OPT_INT,
a609f12a 2603 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA
2604 .help = "Duplicate this job this many times",
2605 .def = "1",
20eb06bd 2606 .interval = 1,
e8b0e958 2607 .category = FIO_OPT_C_GENERAL,
a1f6afec 2608 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2609 },
2610 {
2611 .name = "startdelay",
e8b0e958 2612 .lname = "Start delay",
a5737c93 2613 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA
2614 .off1 = offsetof(struct thread_options, start_delay),
2615 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA
2616 .help = "Only start job when this period has passed",
2617 .def = "0",
0de5b26f 2618 .is_seconds = 1,
88038bc7 2619 .is_time = 1,
e8b0e958 2620 .category = FIO_OPT_C_GENERAL,
a1f6afec 2621 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2622 },
2623 {
2624 .name = "runtime",
e8b0e958 2625 .lname = "Runtime",
214e1eca
JA
2626 .alias = "timeout",
2627 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2628 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA
2629 .help = "Stop workload when this amount of time has passed",
2630 .def = "0",
0de5b26f 2631 .is_seconds = 1,
88038bc7 2632 .is_time = 1,
e8b0e958 2633 .category = FIO_OPT_C_GENERAL,
a1f6afec 2634 .group = FIO_OPT_G_RUNTIME,
214e1eca 2635 },
cf4464ca
JA
2636 {
2637 .name = "time_based",
e8b0e958 2638 .lname = "Time based",
cf4464ca 2639 .type = FIO_OPT_STR_SET,
a609f12a 2640 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2641 .help = "Keep running until runtime/timeout is met",
e8b0e958 2642 .category = FIO_OPT_C_GENERAL,
a1f6afec 2643 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2644 },
62167762
JC
2645 {
2646 .name = "verify_only",
2647 .lname = "Verify only",
2648 .type = FIO_OPT_STR_SET,
a609f12a 2649 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC
2650 .help = "Verifies previously written data is still valid",
2651 .category = FIO_OPT_C_GENERAL,
2652 .group = FIO_OPT_G_RUNTIME,
2653 },
721938ae
JA
2654 {
2655 .name = "ramp_time",
e8b0e958 2656 .lname = "Ramp time",
721938ae 2657 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2658 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2659 .help = "Ramp up time before measuring performance",
0de5b26f 2660 .is_seconds = 1,
88038bc7 2661 .is_time = 1,
e8b0e958 2662 .category = FIO_OPT_C_GENERAL,
a1f6afec 2663 .group = FIO_OPT_G_RUNTIME,
721938ae 2664 },
c223da83
JA
2665 {
2666 .name = "clocksource",
e8b0e958 2667 .lname = "Clock source",
c223da83
JA
2668 .type = FIO_OPT_STR,
2669 .cb = fio_clock_source_cb,
a609f12a 2670 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2671 .help = "What type of timing source to use",
e8b0e958 2672 .category = FIO_OPT_C_GENERAL,
10860056 2673 .group = FIO_OPT_G_CLOCK,
c223da83 2674 .posval = {
67bf9823 2675#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA
2676 { .ival = "gettimeofday",
2677 .oval = CS_GTOD,
2678 .help = "Use gettimeofday(2) for timing",
2679 },
67bf9823
JA
2680#endif
2681#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA
2682 { .ival = "clock_gettime",
2683 .oval = CS_CGETTIME,
2684 .help = "Use clock_gettime(2) for timing",
2685 },
67bf9823 2686#endif
c223da83
JA
2687#ifdef ARCH_HAVE_CPU_CLOCK
2688 { .ival = "cpu",
2689 .oval = CS_CPUCLOCK,
2690 .help = "Use CPU private clock",
2691 },
2692#endif
2693 },
2694 },
214e1eca
JA
2695 {
2696 .name = "mem",
d3aad8f2 2697 .alias = "iomem",
e8b0e958 2698 .lname = "I/O Memory",
214e1eca
JA
2699 .type = FIO_OPT_STR,
2700 .cb = str_mem_cb,
a609f12a 2701 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA
2702 .help = "Backing type for IO buffers",
2703 .def = "malloc",
e8b0e958
JA
2704 .category = FIO_OPT_C_IO,
2705 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2706 .posval = {
2707 { .ival = "malloc",
2708 .oval = MEM_MALLOC,
2709 .help = "Use malloc(3) for IO buffers",
2710 },
c8931876 2711#ifndef CONFIG_NO_SHM
37c8cdfe
JA
2712 { .ival = "shm",
2713 .oval = MEM_SHM,
2714 .help = "Use shared memory segments for IO buffers",
2715 },
214e1eca
JA
2716#ifdef FIO_HAVE_HUGETLB
2717 { .ival = "shmhuge",
2718 .oval = MEM_SHMHUGE,
2719 .help = "Like shm, but use huge pages",
2720 },
c8931876 2721#endif
b370e46a 2722#endif
37c8cdfe
JA
2723 { .ival = "mmap",
2724 .oval = MEM_MMAP,
2725 .help = "Use mmap(2) (file or anon) for IO buffers",
2726 },
217b0f1d
LG
2727 { .ival = "mmapshared",
2728 .oval = MEM_MMAPSHARED,
2729 .help = "Like mmap, but use the shared flag",
2730 },
214e1eca
JA
2731#ifdef FIO_HAVE_HUGETLB
2732 { .ival = "mmaphuge",
2733 .oval = MEM_MMAPHUGE,
2734 .help = "Like mmap, but use huge pages",
2735 },
03553853
YR
2736#endif
2737#ifdef CONFIG_CUDA
2738 { .ival = "cudamalloc",
2739 .oval = MEM_CUDA_MALLOC,
2740 .help = "Allocate GPU device memory for GPUDirect RDMA",
2741 },
214e1eca
JA
2742#endif
2743 },
2744 },
d529ee19
JA
2745 {
2746 .name = "iomem_align",
2747 .alias = "mem_align",
e8b0e958 2748 .lname = "I/O memory alignment",
d529ee19 2749 .type = FIO_OPT_INT,
a609f12a 2750 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA
2751 .minval = 0,
2752 .help = "IO memory buffer offset alignment",
2753 .def = "0",
2754 .parent = "iomem",
d71c154c 2755 .hide = 1,
e8b0e958
JA
2756 .category = FIO_OPT_C_IO,
2757 .group = FIO_OPT_G_INVALID,
d529ee19 2758 },
214e1eca
JA
2759 {
2760 .name = "verify",
e8b0e958 2761 .lname = "Verify",
214e1eca 2762 .type = FIO_OPT_STR,
a609f12a 2763 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA
2764 .help = "Verify data written",
2765 .def = "0",
e8b0e958 2766 .category = FIO_OPT_C_IO,
3ceb458f 2767 .group = FIO_OPT_G_VERIFY,
214e1eca
JA
2768 .posval = {
2769 { .ival = "0",
2770 .oval = VERIFY_NONE,
2771 .help = "Don't do IO verification",
2772 },
fcca4b58
JA
2773 { .ival = "md5",
2774 .oval = VERIFY_MD5,
2775 .help = "Use md5 checksums for verification",
2776 },
d77a7af3
JA
2777 { .ival = "crc64",
2778 .oval = VERIFY_CRC64,
2779 .help = "Use crc64 checksums for verification",
2780 },
214e1eca
JA
2781 { .ival = "crc32",
2782 .oval = VERIFY_CRC32,
2783 .help = "Use crc32 checksums for verification",
2784 },
af497e6a 2785 { .ival = "crc32c-intel",
e3aaafc4
JA
2786 .oval = VERIFY_CRC32C,
2787 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2788 },
bac39e0e
JA
2789 { .ival = "crc32c",
2790 .oval = VERIFY_CRC32C,
e3aaafc4 2791 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2792 },
969f7ed3
JA
2793 { .ival = "crc16",
2794 .oval = VERIFY_CRC16,
2795 .help = "Use crc16 checksums for verification",
2796 },
1e154bdb
JA
2797 { .ival = "crc7",
2798 .oval = VERIFY_CRC7,
2799 .help = "Use crc7 checksums for verification",
2800 },
7c353ceb
JA
2801 { .ival = "sha1",
2802 .oval = VERIFY_SHA1,
2803 .help = "Use sha1 checksums for verification",
2804 },
cd14cc10
JA
2805 { .ival = "sha256",
2806 .oval = VERIFY_SHA256,
2807 .help = "Use sha256 checksums for verification",
2808 },
2809 { .ival = "sha512",
2810 .oval = VERIFY_SHA512,
2811 .help = "Use sha512 checksums for verification",
ae3a5acc
JA
2812 },
2813 { .ival = "sha3-224",
2814 .oval = VERIFY_SHA3_224,
2815 .help = "Use sha3-224 checksums for verification",
2816 },
2817 { .ival = "sha3-256",
2818 .oval = VERIFY_SHA3_256,
2819 .help = "Use sha3-256 checksums for verification",
2820 },
2821 { .ival = "sha3-384",
2822 .oval = VERIFY_SHA3_384,
2823 .help = "Use sha3-384 checksums for verification",
2824 },
2825 { .ival = "sha3-512",
2826 .oval = VERIFY_SHA3_512,
2827 .help = "Use sha3-512 checksums for verification",
cd14cc10 2828 },
844ea602
JA
2829 { .ival = "xxhash",
2830 .oval = VERIFY_XXHASH,
2831 .help = "Use xxhash checksums for verification",
2832 },
b638d82f
RP
2833 /* Meta information was included into verify_header,
2834 * 'meta' verification is implied by default. */
7437ee87 2835 { .ival = "meta",
b638d82f
RP
2836 .oval = VERIFY_HDR_ONLY,
2837 .help = "Use io information for verification. "
2838 "Now is implied by default, thus option is obsolete, "
2839 "don't use it",
7437ee87 2840 },
59245381
JA
2841 { .ival = "pattern",
2842 .oval = VERIFY_PATTERN_NO_HDR,
2843 .help = "Verify strict pattern",
2844 },
36690c9b
JA
2845 {
2846 .ival = "null",
2847 .oval = VERIFY_NULL,
2848 .help = "Pretend to verify",
2849 },
214e1eca
JA
2850 },
2851 },
005c565a
JA
2852 {
2853 .name = "do_verify",
e8b0e958 2854 .lname = "Perform verify step",
68e1f29a 2855 .type = FIO_OPT_BOOL,
a609f12a 2856 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA
2857 .help = "Run verification stage after write",
2858 .def = "1",
2859 .parent = "verify",
d71c154c 2860 .hide = 1,
e8b0e958
JA
2861 .category = FIO_OPT_C_IO,
2862 .group = FIO_OPT_G_VERIFY,
005c565a 2863 },
160b966d
JA
2864 {
2865 .name = "verifysort",
e8b0e958 2866 .lname = "Verify sort",
f31feaa2 2867 .type = FIO_OPT_SOFT_DEPRECATED,
e8b0e958
JA
2868 .category = FIO_OPT_C_IO,
2869 .group = FIO_OPT_G_VERIFY,
160b966d 2870 },
1ae83d45
JA
2871 {
2872 .name = "verifysort_nr",
cce2fdfe 2873 .lname = "Verify Sort Nr",
f31feaa2 2874 .type = FIO_OPT_SOFT_DEPRECATED,
836fcc0f
JA
2875 .category = FIO_OPT_C_IO,
2876 .group = FIO_OPT_G_VERIFY,
1ae83d45 2877 },
3f9f4e26 2878 {
a59e170d 2879 .name = "verify_interval",
e8b0e958 2880 .lname = "Verify interval",
e01b22b8 2881 .type = FIO_OPT_INT,
a609f12a 2882 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2883 .minval = 2 * sizeof(struct verify_header),
a59e170d 2884 .help = "Store verify buffer header every N bytes",
afdf9352 2885 .parent = "verify",
d71c154c 2886 .hide = 1,
20eb06bd 2887 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA
2888 .category = FIO_OPT_C_IO,
2889 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2890 },
546a9142 2891 {
a59e170d 2892 .name = "verify_offset",
e8b0e958 2893 .lname = "Verify offset",
e01b22b8 2894 .type = FIO_OPT_INT,
a59e170d 2895 .help = "Offset verify header location by N bytes",
a609f12a 2896 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2897 .minval = sizeof(struct verify_header),
afdf9352 2898 .parent = "verify",
d71c154c 2899 .hide = 1,
e8b0e958
JA
2900 .category = FIO_OPT_C_IO,
2901 .group = FIO_OPT_G_VERIFY,
546a9142 2902 },
e28218f3
SL
2903 {
2904 .name = "verify_pattern",
e8b0e958 2905 .lname = "Verify pattern",
0e92f873 2906 .type = FIO_OPT_STR,
e28218f3 2907 .cb = str_verify_pattern_cb,
a609f12a 2908 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL
2909 .help = "Fill pattern for IO buffers",
2910 .parent = "verify",
d71c154c 2911 .hide = 1,
e8b0e958
JA
2912 .category = FIO_OPT_C_IO,
2913 .group = FIO_OPT_G_VERIFY,
e28218f3 2914 },
a12a3b4d
JA
2915 {
2916 .name = "verify_fatal",
e8b0e958 2917 .lname = "Verify fatal",
68e1f29a 2918 .type = FIO_OPT_BOOL,
a609f12a 2919 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA
2920 .def = "0",
2921 .help = "Exit on a single verify failure, don't continue",
2922 .parent = "verify",
d71c154c 2923 .hide = 1,
e8b0e958
JA
2924 .category = FIO_OPT_C_IO,
2925 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2926 },
b463e936
JA
2927 {
2928 .name = "verify_dump",
e8b0e958 2929 .lname = "Verify dump",
b463e936 2930 .type = FIO_OPT_BOOL,
a609f12a 2931 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2932 .def = "0",
b463e936
JA
2933 .help = "Dump contents of good and bad blocks on failure",
2934 .parent = "verify",
d71c154c 2935 .hide = 1,
e8b0e958
JA
2936 .category = FIO_OPT_C_IO,
2937 .group = FIO_OPT_G_VERIFY,
b463e936 2938 },
e8462bd8
JA
2939 {
2940 .name = "verify_async",
e8b0e958 2941 .lname = "Verify asynchronously",
e8462bd8 2942 .type = FIO_OPT_INT,
a609f12a 2943 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA
2944 .def = "0",
2945 .help = "Number of async verifier threads to use",
2946 .parent = "verify",
d71c154c 2947 .hide = 1,
e8b0e958
JA
2948 .category = FIO_OPT_C_IO,
2949 .group = FIO_OPT_G_VERIFY,
e8462bd8 2950 },
9e144189
JA
2951 {
2952 .name = "verify_backlog",
e8b0e958 2953 .lname = "Verify backlog",
9e144189 2954 .type = FIO_OPT_STR_VAL,
a609f12a 2955 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA
2956 .help = "Verify after this number of blocks are written",
2957 .parent = "verify",
d71c154c 2958 .hide = 1,
e8b0e958
JA
2959 .category = FIO_OPT_C_IO,
2960 .group = FIO_OPT_G_VERIFY,
9e144189
JA
2961 },
2962 {
2963 .name = "verify_backlog_batch",
e8b0e958 2964 .lname = "Verify backlog batch",
9e144189 2965 .type = FIO_OPT_INT,
a609f12a 2966 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2967 .help = "Verify this number of IO blocks",
0d29de83 2968 .parent = "verify",
d71c154c 2969 .hide = 1,
e8b0e958
JA
2970 .category = FIO_OPT_C_IO,
2971 .group = FIO_OPT_G_VERIFY,
9e144189 2972 },
e8462bd8
JA
2973#ifdef FIO_HAVE_CPU_AFFINITY
2974 {
2975 .name = "verify_async_cpus",
e8b0e958 2976 .lname = "Async verify CPUs",
e8462bd8
JA
2977 .type = FIO_OPT_STR,
2978 .cb = str_verify_cpus_allowed_cb,
a609f12a 2979 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA
2980 .help = "Set CPUs allowed for async verify threads",
2981 .parent = "verify_async",
d71c154c 2982 .hide = 1,
e8b0e958
JA
2983 .category = FIO_OPT_C_IO,
2984 .group = FIO_OPT_G_VERIFY,
e8462bd8 2985 },
a275c37a
JA
2986#else
2987 {
2988 .name = "verify_async_cpus",
2989 .lname = "Async verify CPUs",
2990 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2991 .help = "Your platform does not support CPU affinities",
a275c37a 2992 },
0d29de83 2993#endif
51aa2da8
JA
2994 {
2995 .name = "experimental_verify",
cce2fdfe 2996 .lname = "Experimental Verify",
a609f12a 2997 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2998 .type = FIO_OPT_BOOL,
b31eaac9 2999 .help = "Enable experimental verification",
ca09be4b
JA
3000 .parent = "verify",
3001 .category = FIO_OPT_C_IO,
3002 .group = FIO_OPT_G_VERIFY,
3003 },
3004 {
3005 .name = "verify_state_load",
3006 .lname = "Load verify state",
a609f12a 3007 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA
3008 .type = FIO_OPT_BOOL,
3009 .help = "Load verify termination state",
3010 .parent = "verify",
3011 .category = FIO_OPT_C_IO,
3012 .group = FIO_OPT_G_VERIFY,
3013 },
3014 {
3015 .name = "verify_state_save",
3016 .lname = "Save verify state",
a609f12a 3017 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA
3018 .type = FIO_OPT_BOOL,
3019 .def = "1",
3020 .help = "Save verify state on termination",
3021 .parent = "verify",
836fcc0f
JA
3022 .category = FIO_OPT_C_IO,
3023 .group = FIO_OPT_G_VERIFY,
51aa2da8 3024 },
0d29de83
JA
3025#ifdef FIO_HAVE_TRIM
3026 {
3027 .name = "trim_percentage",
e8b0e958 3028 .lname = "Trim percentage",
0d29de83 3029 .type = FIO_OPT_INT,
a609f12a 3030 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 3031 .minval = 0,
0d29de83 3032 .maxval = 100,
169c098d 3033 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA
3034 .parent = "verify",
3035 .def = "0",
20eb06bd 3036 .interval = 1,
d71c154c 3037 .hide = 1,
e8b0e958
JA
3038 .category = FIO_OPT_C_IO,
3039 .group = FIO_OPT_G_TRIM,
0d29de83
JA
3040 },
3041 {
3042 .name = "trim_verify_zero",
e8b0e958 3043 .lname = "Verify trim zero",
20eb06bd 3044 .type = FIO_OPT_BOOL,
169c098d 3045 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3046 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3047 .parent = "trim_percentage",
d71c154c 3048 .hide = 1,
0d29de83 3049 .def = "1",
e8b0e958
JA
3050 .category = FIO_OPT_C_IO,
3051 .group = FIO_OPT_G_TRIM,
0d29de83
JA
3052 },
3053 {
3054 .name = "trim_backlog",
e8b0e958 3055 .lname = "Trim backlog",
0d29de83 3056 .type = FIO_OPT_STR_VAL,
a609f12a 3057 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA
3058 .help = "Trim after this number of blocks are written",
3059 .parent = "trim_percentage",
d71c154c 3060 .hide = 1,
20eb06bd 3061 .interval = 1,
e8b0e958
JA
3062 .category = FIO_OPT_C_IO,
3063 .group = FIO_OPT_G_TRIM,
0d29de83
JA
3064 },
3065 {
3066 .name = "trim_backlog_batch",
e8b0e958 3067 .lname = "Trim backlog batch",
0d29de83 3068 .type = FIO_OPT_INT,
a609f12a 3069 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA
3070 .help = "Trim this number of IO blocks",
3071 .parent = "trim_percentage",
d71c154c 3072 .hide = 1,
20eb06bd 3073 .interval = 1,
e8b0e958
JA
3074 .category = FIO_OPT_C_IO,
3075 .group = FIO_OPT_G_TRIM,
0d29de83 3076 },
a275c37a
JA
3077#else
3078 {
3079 .name = "trim_percentage",
3080 .lname = "Trim percentage",
3081 .type = FIO_OPT_UNSUPPORTED,
3082 .help = "Fio does not support TRIM on your platform",
3083 },
3084 {
3085 .name = "trim_verify_zero",
3086 .lname = "Verify trim zero",
3087 .type = FIO_OPT_UNSUPPORTED,
3088 .help = "Fio does not support TRIM on your platform",
3089 },
3090 {
3091 .name = "trim_backlog",
3092 .lname = "Trim backlog",
3093 .type = FIO_OPT_UNSUPPORTED,
3094 .help = "Fio does not support TRIM on your platform",
3095 },
3096 {
3097 .name = "trim_backlog_batch",
3098 .lname = "Trim backlog batch",
3099 .type = FIO_OPT_UNSUPPORTED,
3100 .help = "Fio does not support TRIM on your platform",
3101 },
e8462bd8 3102#endif
214e1eca
JA
3103 {
3104 .name = "write_iolog",
e8b0e958 3105 .lname = "Write I/O log",
214e1eca 3106 .type = FIO_OPT_STR_STORE,
a609f12a 3107 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3108 .help = "Store IO pattern to file",
e8b0e958
JA
3109 .category = FIO_OPT_C_IO,
3110 .group = FIO_OPT_G_IOLOG,
214e1eca
JA
3111 },
3112 {
3113 .name = "read_iolog",
e8b0e958 3114 .lname = "Read I/O log",
214e1eca 3115 .type = FIO_OPT_STR_STORE,
a609f12a 3116 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3117 .help = "Playback IO pattern from file",
e8b0e958
JA
3118 .category = FIO_OPT_C_IO,
3119 .group = FIO_OPT_G_IOLOG,
214e1eca 3120 },
98e7161c
AK
3121 {
3122 .name = "read_iolog_chunked",
3123 .lname = "Read I/O log in parts",
3124 .type = FIO_OPT_BOOL,
3125 .off1 = offsetof(struct thread_options, read_iolog_chunked),
3126 .def = "0",
3127 .parent = "read_iolog",
3128 .help = "Parse IO pattern in chunks",
3129 .category = FIO_OPT_C_IO,
3130 .group = FIO_OPT_G_IOLOG,
3131 },
64bbb865
DN
3132 {
3133 .name = "replay_no_stall",
e8b0e958 3134 .lname = "Don't stall on replay",
20eb06bd 3135 .type = FIO_OPT_BOOL,
a609f12a 3136 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3137 .def = "0",
87e7a972 3138 .parent = "read_iolog",
d71c154c 3139 .hide = 1,
64bbb865 3140 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA
3141 .category = FIO_OPT_C_IO,
3142 .group = FIO_OPT_G_IOLOG,
64bbb865 3143 },
d1c46c04
DN
3144 {
3145 .name = "replay_redirect",
e8b0e958 3146 .lname = "Redirect device for replay",
d1c46c04 3147 .type = FIO_OPT_STR_STORE,
a609f12a 3148 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3149 .parent = "read_iolog",
d71c154c 3150 .hide = 1,
d1c46c04 3151 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA
3152 .category = FIO_OPT_C_IO,
3153 .group = FIO_OPT_G_IOLOG,
d1c46c04 3154 },
0c63576e
JA
3155 {
3156 .name = "replay_scale",
3157 .lname = "Replace offset scale factor",
3158 .type = FIO_OPT_INT,
a609f12a 3159 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA
3160 .parent = "read_iolog",
3161 .def = "1",
3162 .help = "Align offsets to this blocksize",
3163 .category = FIO_OPT_C_IO,
3164 .group = FIO_OPT_G_IOLOG,
3165 },
3166 {
3167 .name = "replay_align",
3168 .lname = "Replace alignment",
3169 .type = FIO_OPT_INT,
a609f12a 3170 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA
3171 .parent = "read_iolog",
3172 .help = "Scale offset down by this factor",
3173 .category = FIO_OPT_C_IO,
3174 .group = FIO_OPT_G_IOLOG,
3175 .pow2 = 1,
3176 },
6dd7fa77
JA
3177 {
3178 .name = "replay_time_scale",
3179 .lname = "Replay Time Scale",
3180 .type = FIO_OPT_INT,
3181 .off1 = offsetof(struct thread_options, replay_time_scale),
3182 .def = "100",
3183 .minval = 1,
3184 .parent = "read_iolog",
3185 .hide = 1,
3186 .help = "Scale time for replay events",
3187 .category = FIO_OPT_C_IO,
3188 .group = FIO_OPT_G_IOLOG,
3189 },
d7235efb
JA
3190 {
3191 .name = "replay_skip",
3192 .lname = "Replay Skip",
3193 .type = FIO_OPT_STR,
3194 .cb = str_replay_skip_cb,
3195 .off1 = offsetof(struct thread_options, replay_skip),
3196 .parent = "read_iolog",
3197 .help = "Skip certain IO types (read,write,trim,flush)",
3198 .category = FIO_OPT_C_IO,
3199 .group = FIO_OPT_G_IOLOG,
3200 },
b9921d1a
DZ
3201 {
3202 .name = "merge_blktrace_file",
3203 .lname = "Merged blktrace output filename",
3204 .type = FIO_OPT_STR_STORE,
3205 .off1 = offsetof(struct thread_options, merge_blktrace_file),
3206 .help = "Merged blktrace output filename",
3207 .category = FIO_OPT_C_IO,
3208 .group = FIO_OPT_G_IOLOG,
3209 },
87a48ada
DZ
3210 {
3211 .name = "merge_blktrace_scalars",
3212 .lname = "Percentage to scale each trace",
3213 .type = FIO_OPT_FLOAT_LIST,
3214 .off1 = offsetof(struct thread_options, merge_blktrace_scalars),
3215 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3216 .help = "Percentage to scale each trace",
3217 .category = FIO_OPT_C_IO,
3218 .group = FIO_OPT_G_IOLOG,
3219 },
55bfd8c8
DZ
3220 {
3221 .name = "merge_blktrace_iters",
3222 .lname = "Number of iterations to run per trace",
3223 .type = FIO_OPT_FLOAT_LIST,
3224 .off1 = offsetof(struct thread_options, merge_blktrace_iters),
3225 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3226 .help = "Number of iterations to run per trace",
3227 .category = FIO_OPT_C_IO,
3228 .group = FIO_OPT_G_IOLOG,
3229 },
214e1eca
JA
3230 {
3231 .name = "exec_prerun",
e8b0e958 3232 .lname = "Pre-execute runnable",
214e1eca 3233 .type = FIO_OPT_STR_STORE,
a609f12a 3234 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3235 .help = "Execute this file prior to running job",
e8b0e958
JA
3236 .category = FIO_OPT_C_GENERAL,
3237 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3238 },
3239 {
3240 .name = "exec_postrun",
e8b0e958 3241 .lname = "Post-execute runnable",
214e1eca 3242 .type = FIO_OPT_STR_STORE,
a609f12a 3243 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3244 .help = "Execute this file after running job",
e8b0e958
JA
3245 .category = FIO_OPT_C_GENERAL,
3246 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3247 },
3248#ifdef FIO_HAVE_IOSCHED_SWITCH
3249 {
3250 .name = "ioscheduler",
e8b0e958 3251 .lname = "I/O scheduler",
214e1eca 3252 .type = FIO_OPT_STR_STORE,
a609f12a 3253 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3254 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA
3255 .category = FIO_OPT_C_FILE,
3256 .group = FIO_OPT_G_INVALID,
214e1eca 3257 },
a275c37a
JA
3258#else
3259 {
3260 .name = "ioscheduler",
3261 .lname = "I/O scheduler",
3262 .type = FIO_OPT_UNSUPPORTED,
3263 .help = "Your platform does not support IO scheduler switching",
3264 },
214e1eca 3265#endif
7b865a2f
BVA
3266 {
3267 .name = "zonemode",
3268 .lname = "Zone mode",
3269 .help = "Mode for the zonesize, zonerange and zoneskip parameters",
3270 .type = FIO_OPT_STR,
3271 .off1 = offsetof(struct thread_options, zone_mode),
3272 .def = "none",
3273 .category = FIO_OPT_C_IO,
3274 .group = FIO_OPT_G_ZONE,
3275 .posval = {
3276 { .ival = "none",
3277 .oval = ZONE_MODE_NONE,
3278 .help = "no zoning",
3279 },
3280 { .ival = "strided",
3281 .oval = ZONE_MODE_STRIDED,
3282 .help = "strided mode - random I/O is restricted to a single zone",
3283 },
3284 { .ival = "zbd",
3285 .oval = ZONE_MODE_ZBD,
3286 .help = "zoned block device mode - random I/O selects one of multiple zones randomly",
3287 },
3288 },
3289 },
214e1eca
JA
3290 {
3291 .name = "zonesize",
e8b0e958 3292 .lname = "Zone size",
214e1eca 3293 .type = FIO_OPT_STR_VAL,
a609f12a 3294 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN
3295 .help = "Amount of data to read per zone",
3296 .def = "0",
20eb06bd 3297 .interval = 1024 * 1024,
e8b0e958
JA
3298 .category = FIO_OPT_C_IO,
3299 .group = FIO_OPT_G_ZONE,
ed335855
SN
3300 },
3301 {
3302 .name = "zonerange",
e8b0e958 3303 .lname = "Zone range",
ed335855 3304 .type = FIO_OPT_STR_VAL,
a609f12a 3305 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA
3306 .help = "Give size of an IO zone",
3307 .def = "0",
20eb06bd 3308 .interval = 1024 * 1024,
e8b0e958
JA
3309 .category = FIO_OPT_C_IO,
3310 .group = FIO_OPT_G_ZONE,
214e1eca
JA
3311 },
3312 {
3313 .name = "zoneskip",
e8b0e958 3314 .lname = "Zone skip",
214e1eca 3315 .type = FIO_OPT_STR_VAL,
a609f12a 3316 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA
3317 .help = "Space between IO zones",
3318 .def = "0",
20eb06bd 3319 .interval = 1024 * 1024,
e8b0e958
JA
3320 .category = FIO_OPT_C_IO,
3321 .group = FIO_OPT_G_ZONE,
214e1eca 3322 },
bfbdd35b
BVA
3323 {
3324 .name = "read_beyond_wp",
3325 .lname = "Allow reads beyond the zone write pointer",
3326 .type = FIO_OPT_BOOL,
3327 .off1 = offsetof(struct thread_options, read_beyond_wp),
3328 .help = "Allow reads beyond the zone write pointer",
3329 .def = "0",
3330 .category = FIO_OPT_C_IO,
3331 .group = FIO_OPT_G_INVALID,
3332 },
59b07544
BVA
3333 {
3334 .name = "max_open_zones",
3335 .lname = "Maximum number of open zones",
3336 .type = FIO_OPT_INT,
3337 .off1 = offsetof(struct thread_options, max_open_zones),
3338 .maxval = FIO_MAX_OPEN_ZBD_ZONES,
3339 .help = "Limit random writes to SMR drives to the specified"
3340 " number of sequential zones",
3341 .def = "0",
3342 .category = FIO_OPT_C_IO,
3343 .group = FIO_OPT_G_INVALID,
3344 },
a7c2b6fc
BVA
3345 {
3346 .name = "zone_reset_threshold",
3347 .lname = "Zone reset threshold",
3348 .help = "Zoned block device reset threshold",
3349 .type = FIO_OPT_FLOAT_LIST,
3350 .maxlen = 1,
3351 .off1 = offsetof(struct thread_options, zrt),
3352 .minfp = 0,
3353 .maxfp = 1,
3354 .category = FIO_OPT_C_IO,
3355 .group = FIO_OPT_G_ZONE,
3356 },
3357 {
3358 .name = "zone_reset_frequency",
3359 .lname = "Zone reset frequency",
3360 .help = "Zoned block device zone reset frequency in HZ",
3361 .type = FIO_OPT_FLOAT_LIST,
3362 .maxlen = 1,
3363 .off1 = offsetof(struct thread_options, zrf),
3364 .minfp = 0,
3365 .maxfp = 1,
3366 .category = FIO_OPT_C_IO,
3367 .group = FIO_OPT_G_ZONE,
3368 },
214e1eca
JA
3369 {
3370 .name = "lockmem",
e8b0e958 3371 .lname = "Lock memory",
214e1eca 3372 .type = FIO_OPT_STR_VAL,
a609f12a 3373 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3374 .help = "Lock down this amount of memory (per worker)",
214e1eca 3375 .def = "0",
20eb06bd 3376 .interval = 1024 * 1024,
e8b0e958
JA
3377 .category = FIO_OPT_C_GENERAL,
3378 .group = FIO_OPT_G_INVALID,
214e1eca 3379 },
214e1eca
JA
3380 {
3381 .name = "rwmixread",
e8b0e958 3382 .lname = "Read/write mix read",
214e1eca 3383 .type = FIO_OPT_INT,
cb499fc4 3384 .cb = str_rwmix_read_cb,
a609f12a 3385 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA
3386 .maxval = 100,
3387 .help = "Percentage of mixed workload that is reads",
3388 .def = "50",
20eb06bd 3389 .interval = 5,
90265353 3390 .inverse = "rwmixwrite",
e8b0e958
JA
3391 .category = FIO_OPT_C_IO,
3392 .group = FIO_OPT_G_RWMIX,
214e1eca
JA
3393 },
3394 {
3395 .name = "rwmixwrite",
e8b0e958 3396 .lname = "Read/write mix write",
214e1eca 3397 .type = FIO_OPT_INT,
cb499fc4 3398 .cb = str_rwmix_write_cb,
a609f12a 3399 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA
3400 .maxval = 100,
3401 .help = "Percentage of mixed workload that is writes",
3402 .def = "50",
20eb06bd 3403 .interval = 5,
90265353 3404 .inverse = "rwmixread",
e8b0e958
JA
3405 .category = FIO_OPT_C_IO,
3406 .group = FIO_OPT_G_RWMIX,
214e1eca 3407 },
afdf9352
JA
3408 {
3409 .name = "rwmixcycle",
e8b0e958 3410 .lname = "Read/write mix cycle",
15ca150e 3411 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA
3412 .category = FIO_OPT_C_IO,
3413 .group = FIO_OPT_G_RWMIX,
afdf9352 3414 },
214e1eca
JA
3415 {
3416 .name = "nice",
e8b0e958 3417 .lname = "Nice",
214e1eca 3418 .type = FIO_OPT_INT,
a609f12a 3419 .off1 = offsetof(struct thread_options, nice),
214e1eca 3420 .help = "Set job CPU nice value",
11fd6aa8
RC
3421 .minval = -20,
3422 .maxval = 19,
214e1eca 3423 .def = "0",
20eb06bd 3424 .interval = 1,
e8b0e958 3425 .category = FIO_OPT_C_GENERAL,
10860056 3426 .group = FIO_OPT_G_CRED,
214e1eca
JA
3427 },
3428#ifdef FIO_HAVE_IOPRIO
3429 {
3430 .name = "prio",
e8b0e958 3431 .lname = "I/O nice priority",
214e1eca 3432 .type = FIO_OPT_INT,
a609f12a 3433 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3434 .help = "Set job IO priority value",
1767bd34
TK
3435 .minval = IOPRIO_MIN_PRIO,
3436 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3437 .interval = 1,
e8b0e958 3438 .category = FIO_OPT_C_GENERAL,
10860056 3439 .group = FIO_OPT_G_CRED,
214e1eca 3440 },
32ef447a
TK
3441#else
3442 {
3443 .name = "prio",
3444 .lname = "I/O nice priority",
3445 .type = FIO_OPT_UNSUPPORTED,
3446 .help = "Your platform does not support IO priorities",
3447 },
3448#endif
3449#ifdef FIO_HAVE_IOPRIO_CLASS
3450#ifndef FIO_HAVE_IOPRIO
3451#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3452#endif
214e1eca
JA
3453 {
3454 .name = "prioclass",
e8b0e958 3455 .lname = "I/O nice priority class",
214e1eca 3456 .type = FIO_OPT_INT,
a609f12a 3457 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3458 .help = "Set job IO priority class",
1767bd34
TK
3459 .minval = IOPRIO_MIN_PRIO_CLASS,
3460 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3461 .interval = 1,
e8b0e958 3462 .category = FIO_OPT_C_GENERAL,
10860056 3463 .group = FIO_OPT_G_CRED,
214e1eca 3464 },
a275c37a 3465#else
a275c37a
JA
3466 {
3467 .name = "prioclass",
3468 .lname = "I/O nice priority class",
3469 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3470 .help = "Your platform does not support IO priority classes",
a275c37a 3471 },
214e1eca
JA
3472#endif
3473 {
3474 .name = "thinktime",
e8b0e958 3475 .lname = "Thinktime",
214e1eca 3476 .type = FIO_OPT_INT,
a609f12a 3477 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA
3478 .help = "Idle time between IO buffers (usec)",
3479 .def = "0",
88038bc7 3480 .is_time = 1,
e8b0e958 3481 .category = FIO_OPT_C_IO,
3ceb458f 3482 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
3483 },
3484 {
3485 .name = "thinktime_spin",
e8b0e958 3486 .lname = "Thinktime spin&qu