skeleton: add option example
[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>
921c766f 7#include <libgen.h>
5921e80c
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8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
e13c3b50 11#include <netinet/in.h>
214e1eca
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12
13#include "fio.h"
4f5af7b2 14#include "verify.h"
214e1eca 15#include "parse.h"
eef32359 16#include "lib/fls.h"
61b9861d 17#include "lib/pattern.h"
9f988e2e 18#include "options.h"
d220c761 19#include "optgroup.h"
214e1eca 20
e13c3b50 21char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 22
a609f12a
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23#define cb_data_to_td(data) container_of(data, struct thread_data, o)
24
fc8d6d05 25static struct pattern_fmt_desc fmt_desc[] = {
4205998f
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26 {
27 .fmt = "%o",
28 .len = FIELD_SIZE(struct io_u *, offset),
29 .paste = paste_blockoff
30 }
31};
32
214e1eca
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33/*
34 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
35 */
36static char *get_opt_postfix(const char *str)
37{
38 char *p = strstr(str, ":");
39
40 if (!p)
41 return NULL;
42
43 p++;
44 strip_blank_front(&p);
45 strip_blank_end(p);
46 return strdup(p);
47}
48
564ca972
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49static int bs_cmp(const void *p1, const void *p2)
50{
51 const struct bssplit *bsp1 = p1;
52 const struct bssplit *bsp2 = p2;
53
a7cd478d 54 return (int) bsp1->perc - (int) bsp2->perc;
564ca972
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55}
56
d2835319
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57struct split {
58 unsigned int nr;
59 unsigned int val1[100];
60 unsigned int val2[100];
61};
62
63static int split_parse_ddir(struct thread_options *o, struct split *split,
64 enum fio_ddir ddir, char *str)
564ca972 65{
d2835319 66 unsigned int i, perc;
564ca972 67 long long val;
720e84ad 68 char *fname;
564ca972 69
d2835319 70 split->nr = 0;
564ca972
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71
72 i = 0;
564ca972
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73 while ((fname = strsep(&str, ":")) != NULL) {
74 char *perc_str;
75
76 if (!strlen(fname))
77 break;
78
564ca972
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79 perc_str = strstr(fname, "/");
80 if (perc_str) {
81 *perc_str = '\0';
82 perc_str++;
83 perc = atoi(perc_str);
84 if (perc > 100)
85 perc = 100;
86 else if (!perc)
d711cce5 87 perc = -1U;
564ca972 88 } else
d711cce5 89 perc = -1U;
564ca972 90
88038bc7 91 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
564ca972 92 log_err("fio: bssplit conversion failed\n");
564ca972
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93 return 1;
94 }
95
d2835319
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96 split->val1[i] = val;
97 split->val2[i] = perc;
564ca972 98 i++;
d2835319
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99 if (i == 100)
100 break;
564ca972
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101 }
102
d2835319
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103 split->nr = i;
104 return 0;
105}
106
107static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
108{
109 unsigned int i, perc, perc_missing;
110 unsigned int max_bs, min_bs;
111 struct split split;
112
113 memset(&split, 0, sizeof(split));
114
115 if (split_parse_ddir(o, &split, ddir, str))
116 return 1;
117 if (!split.nr)
118 return 0;
119
120 max_bs = 0;
121 min_bs = -1;
122 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
123 o->bssplit_nr[ddir] = split.nr;
124 for (i = 0; i < split.nr; i++) {
125 if (split.val1[i] > max_bs)
126 max_bs = split.val1[i];
127 if (split.val1[i] < min_bs)
128 min_bs = split.val1[i];
129
130 o->bssplit[ddir][i].bs = split.val1[i];
131 o->bssplit[ddir][i].perc =split.val2[i];
132 }
564ca972
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133
134 /*
135 * Now check if the percentages add up, and how much is missing
136 */
137 perc = perc_missing = 0;
83ea422a 138 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 139 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 140
d711cce5 141 if (bsp->perc == -1U)
564ca972
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142 perc_missing++;
143 else
144 perc += bsp->perc;
145 }
146
40bafa33 147 if (perc > 100 && perc_missing > 1) {
564ca972 148 log_err("fio: bssplit percentages add to more than 100%%\n");
d2835319
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149 free(o->bssplit[ddir]);
150 o->bssplit[ddir] = NULL;
564ca972
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151 return 1;
152 }
d711cce5 153
564ca972
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154 /*
155 * If values didn't have a percentage set, divide the remains between
156 * them.
157 */
158 if (perc_missing) {
d711cce5 159 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 160 perc = 100;
83ea422a 161 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 162 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 163
d711cce5 164 if (bsp->perc == -1U)
564ca972
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165 bsp->perc = (100 - perc) / perc_missing;
166 }
167 }
168
83ea422a
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169 o->min_bs[ddir] = min_bs;
170 o->max_bs[ddir] = max_bs;
564ca972
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171
172 /*
173 * now sort based on percentages, for ease of lookup
174 */
d2835319 175 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
720e84ad 176 return 0;
720e84ad
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177}
178
764593c0
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179typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *);
180
181static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn)
720e84ad 182{
764593c0 183 char *odir, *ddir;
720e84ad
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184 int ret = 0;
185
720e84ad
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186 odir = strchr(str, ',');
187 if (odir) {
6eaf09d6
SL
188 ddir = strchr(odir + 1, ',');
189 if (ddir) {
764593c0 190 ret = fn(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL
191 if (!ret)
192 *ddir = '\0';
193 } else {
194 char *op;
195
196 op = strdup(odir + 1);
764593c0 197 ret = fn(&td->o, DDIR_TRIM, op);
6eaf09d6
SL
198
199 free(op);
200 }
d79db122 201 if (!ret)
764593c0 202 ret = fn(&td->o, DDIR_WRITE, odir + 1);
720e84ad
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203 if (!ret) {
204 *odir = '\0';
764593c0 205 ret = fn(&td->o, DDIR_READ, str);
720e84ad
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206 }
207 } else {
208 char *op;
209
210 op = strdup(str);
764593c0 211 ret = fn(&td->o, DDIR_WRITE, op);
6eaf09d6 212 free(op);
720e84ad 213
6eaf09d6
SL
214 if (!ret) {
215 op = strdup(str);
764593c0 216 ret = fn(&td->o, DDIR_TRIM, op);
6eaf09d6
SL
217 free(op);
218 }
f0c9c217 219 if (!ret)
764593c0 220 ret = fn(&td->o, DDIR_READ, str);
720e84ad 221 }
564ca972 222
764593c0
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223 return ret;
224}
225
226static int str_bssplit_cb(void *data, const char *input)
227{
a609f12a 228 struct thread_data *td = cb_data_to_td(data);
764593c0
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229 char *str, *p;
230 int ret = 0;
231
764593c0
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232 p = str = strdup(input);
233
234 strip_blank_front(&str);
235 strip_blank_end(str);
236
237 ret = str_split_parse(td, str, bssplit_ddir);
238
55baca06
JA
239 if (parse_dryrun()) {
240 int i;
241
242 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
243 free(td->o.bssplit[i]);
244 td->o.bssplit[i] = NULL;
245 td->o.bssplit_nr[i] = 0;
246 }
247 }
248
564ca972 249 free(p);
720e84ad 250 return ret;
564ca972
JA
251}
252
8b28bd41
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253static int str2error(char *str)
254{
a94eb99a 255 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM
256 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
257 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
258 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
259 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
260 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
261 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 262 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
7fe481b4 263 int i = 0, num = sizeof(err) / sizeof(char *);
8b28bd41 264
a94eb99a 265 while (i < num) {
8b28bd41
DM
266 if (!strcmp(err[i], str))
267 return i + 1;
268 i++;
269 }
270 return 0;
271}
272
3ed673c6
TK
273static int ignore_error_type(struct thread_data *td, enum error_type_bit etype,
274 char *str)
8b28bd41
DM
275{
276 unsigned int i;
277 int *error;
278 char *fname;
279
280 if (etype >= ERROR_TYPE_CNT) {
281 log_err("Illegal error type\n");
282 return 1;
283 }
284
285 td->o.ignore_error_nr[etype] = 4;
685ffd57 286 error = calloc(4, sizeof(int));
8b28bd41
DM
287
288 i = 0;
289 while ((fname = strsep(&str, ":")) != NULL) {
290
291 if (!strlen(fname))
292 break;
293
294 /*
295 * grow struct buffer, if needed
296 */
297 if (i == td->o.ignore_error_nr[etype]) {
298 td->o.ignore_error_nr[etype] <<= 1;
299 error = realloc(error, td->o.ignore_error_nr[etype]
300 * sizeof(int));
301 }
302 if (fname[0] == 'E') {
303 error[i] = str2error(fname);
304 } else {
305 error[i] = atoi(fname);
306 if (error[i] < 0)
1616e025 307 error[i] = -error[i];
8b28bd41
DM
308 }
309 if (!error[i]) {
d503e281 310 log_err("Unknown error %s, please use number value\n",
8b28bd41 311 fname);
d503e281 312 td->o.ignore_error_nr[etype] = 0;
0fddbf7a 313 free(error);
8b28bd41
DM
314 return 1;
315 }
316 i++;
317 }
318 if (i) {
319 td->o.continue_on_error |= 1 << etype;
320 td->o.ignore_error_nr[etype] = i;
321 td->o.ignore_error[etype] = error;
d503e281
TK
322 } else {
323 td->o.ignore_error_nr[etype] = 0;
c7b086be 324 free(error);
d503e281 325 }
c7b086be 326
8b28bd41
DM
327 return 0;
328
329}
330
331static int str_ignore_error_cb(void *data, const char *input)
332{
a609f12a 333 struct thread_data *td = cb_data_to_td(data);
8b28bd41 334 char *str, *p, *n;
3ed673c6
TK
335 int ret = 1;
336 enum error_type_bit type = 0;
52c0cea3
JA
337
338 if (parse_dryrun())
339 return 0;
340
8b28bd41
DM
341 p = str = strdup(input);
342
343 strip_blank_front(&str);
344 strip_blank_end(str);
345
346 while (p) {
347 n = strchr(p, ',');
348 if (n)
349 *n++ = '\0';
350 ret = ignore_error_type(td, type, p);
351 if (ret)
352 break;
353 p = n;
354 type++;
355 }
356 free(str);
357 return ret;
358}
359
211097b2
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360static int str_rw_cb(void *data, const char *str)
361{
a609f12a 362 struct thread_data *td = cb_data_to_td(data);
83ea422a 363 struct thread_options *o = &td->o;
27ca949f 364 char *nr;
211097b2 365
52c0cea3
JA
366 if (parse_dryrun())
367 return 0;
368
83ea422a
JA
369 o->ddir_seq_nr = 1;
370 o->ddir_seq_add = 0;
059b0802 371
27ca949f 372 nr = get_opt_postfix(str);
059b0802
JA
373 if (!nr)
374 return 0;
375
376 if (td_random(td))
83ea422a 377 o->ddir_seq_nr = atoi(nr);
059b0802
JA
378 else {
379 long long val;
380
88038bc7 381 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA
382 log_err("fio: rw postfix parsing failed\n");
383 free(nr);
384 return 1;
385 }
386
83ea422a 387 o->ddir_seq_add = val;
182ec6ee 388 }
211097b2 389
059b0802 390 free(nr);
211097b2
JA
391 return 0;
392}
393
214e1eca
JA
394static int str_mem_cb(void *data, const char *mem)
395{
a609f12a 396 struct thread_data *td = cb_data_to_td(data);
214e1eca 397
217b0f1d
LG
398 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
399 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 400 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA
401
402 return 0;
403}
404
c223da83
JA
405static int fio_clock_source_cb(void *data, const char *str)
406{
a609f12a 407 struct thread_data *td = cb_data_to_td(data);
c223da83
JA
408
409 fio_clock_source = td->o.clocksource;
fa80feae 410 fio_clock_source_set = 1;
01423eae 411 fio_clock_init();
c223da83
JA
412 return 0;
413}
414
85bc833b 415static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4 416{
a609f12a 417 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA
418
419 td->o.rwmix[DDIR_READ] = *val;
420 td->o.rwmix[DDIR_WRITE] = 100 - *val;
421 return 0;
422}
423
85bc833b 424static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4 425{
a609f12a 426 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA
427
428 td->o.rwmix[DDIR_WRITE] = *val;
429 td->o.rwmix[DDIR_READ] = 100 - *val;
430 return 0;
431}
432
214e1eca
JA
433static int str_exitall_cb(void)
434{
435 exitall_on_terminate = 1;
436 return 0;
437}
438
214e1eca 439#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 440int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 441{
50b5860b 442 unsigned int i, index, cpus_in_mask;
c2acfbac 443 const long max_cpu = cpus_online();
c2acfbac 444
50b5860b
JA
445 cpus_in_mask = fio_cpu_count(mask);
446 cpu_index = cpu_index % cpus_in_mask;
447
448 index = 0;
c2acfbac 449 for (i = 0; i < max_cpu; i++) {
50b5860b 450 if (!fio_cpu_isset(mask, i))
c2acfbac 451 continue;
50b5860b
JA
452
453 if (cpu_index != index)
454 fio_cpu_clear(mask, i);
455
456 index++;
c2acfbac
JA
457 }
458
459 return fio_cpu_count(mask);
460}
461
85bc833b 462static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0 463{
a609f12a 464 struct thread_data *td = cb_data_to_td(data);
214e1eca 465 unsigned int i;
b03daafb 466 long max_cpu;
d2ce18b5
JA
467 int ret;
468
52c0cea3
JA
469 if (parse_dryrun())
470 return 0;
471
d2ce18b5
JA
472 ret = fio_cpuset_init(&td->o.cpumask);
473 if (ret < 0) {
474 log_err("fio: cpuset_init failed\n");
475 td_verror(td, ret, "fio_cpuset_init");
476 return 1;
477 }
214e1eca 478
c00a2289 479 max_cpu = cpus_online();
214e1eca 480
62a7273d
JA
481 for (i = 0; i < sizeof(int) * 8; i++) {
482 if ((1 << i) & *val) {
b8411399 483 if (i >= max_cpu) {
b03daafb 484 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 485 max_cpu - 1);
b03daafb
JA
486 return 1;
487 }
62a7273d 488 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 489 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA
490 }
491 }
d2e268b0 492
d2e268b0 493 return 0;
214e1eca
JA
494}
495
e8462bd8
JA
496static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
497 const char *input)
214e1eca 498{
d2e268b0 499 char *cpu, *str, *p;
b03daafb 500 long max_cpu;
19608d6c 501 int ret = 0;
d2e268b0 502
e8462bd8 503 ret = fio_cpuset_init(mask);
d2ce18b5
JA
504 if (ret < 0) {
505 log_err("fio: cpuset_init failed\n");
506 td_verror(td, ret, "fio_cpuset_init");
507 return 1;
508 }
d2e268b0
JA
509
510 p = str = strdup(input);
214e1eca 511
d2e268b0
JA
512 strip_blank_front(&str);
513 strip_blank_end(str);
514
c00a2289 515 max_cpu = cpus_online();
b03daafb 516
d2e268b0 517 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA
518 char *str2, *cpu2;
519 int icpu, icpu2;
520
d2e268b0
JA
521 if (!strlen(cpu))
522 break;
62a7273d
JA
523
524 str2 = cpu;
525 icpu2 = -1;
526 while ((cpu2 = strsep(&str2, "-")) != NULL) {
527 if (!strlen(cpu2))
528 break;
529
530 icpu2 = atoi(cpu2);
531 }
532
533 icpu = atoi(cpu);
534 if (icpu2 == -1)
535 icpu2 = icpu;
536 while (icpu <= icpu2) {
6d459ee7 537 if (icpu >= FIO_MAX_CPUS) {
19608d6c 538 log_err("fio: your OS only supports up to"
6d459ee7 539 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA
540 ret = 1;
541 break;
542 }
9e986889 543 if (icpu >= max_cpu) {
b03daafb 544 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 545 icpu, max_cpu - 1);
b03daafb
JA
546 ret = 1;
547 break;
548 }
0b9d69ec 549
62a7273d 550 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 551 fio_cpu_set(mask, icpu);
62a7273d
JA
552 icpu++;
553 }
19608d6c
JA
554 if (ret)
555 break;
d2e268b0
JA
556 }
557
558 free(p);
19608d6c 559 return ret;
214e1eca 560}
e8462bd8
JA
561
562static int str_cpus_allowed_cb(void *data, const char *input)
563{
a609f12a 564 struct thread_data *td = cb_data_to_td(data);
e8462bd8 565
52c0cea3
JA
566 if (parse_dryrun())
567 return 0;
568
b2a9e649 569 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA
570}
571
572static int str_verify_cpus_allowed_cb(void *data, const char *input)
573{
a609f12a 574 struct thread_data *td = cb_data_to_td(data);
e8462bd8 575
466155e2
JA
576 if (parse_dryrun())
577 return 0;
578
b2a9e649 579 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 580}
c08f9fe2 581
105157ad 582#ifdef CONFIG_ZLIB
c08f9fe2
JA
583static int str_log_cpus_allowed_cb(void *data, const char *input)
584{
a609f12a 585 struct thread_data *td = cb_data_to_td(data);
c08f9fe2
JA
586
587 if (parse_dryrun())
588 return 0;
589
590 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
591}
105157ad 592#endif /* CONFIG_ZLIB */
c08f9fe2 593
105157ad 594#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 595
67bf9823 596#ifdef CONFIG_LIBNUMA
d0b937ed
YR
597static int str_numa_cpunodes_cb(void *data, char *input)
598{
a609f12a 599 struct thread_data *td = cb_data_to_td(data);
43522848 600 struct bitmask *verify_bitmask;
d0b937ed 601
52c0cea3
JA
602 if (parse_dryrun())
603 return 0;
604
d0b937ed
YR
605 /* numa_parse_nodestring() parses a character string list
606 * of nodes into a bit mask. The bit mask is allocated by
607 * numa_allocate_nodemask(), so it should be freed by
608 * numa_free_nodemask().
609 */
43522848
DG
610 verify_bitmask = numa_parse_nodestring(input);
611 if (verify_bitmask == NULL) {
d0b937ed
YR
612 log_err("fio: numa_parse_nodestring failed\n");
613 td_verror(td, 1, "str_numa_cpunodes_cb");
614 return 1;
615 }
43522848 616 numa_free_nodemask(verify_bitmask);
d0b937ed 617
43522848 618 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR
619 return 0;
620}
621
622static int str_numa_mpol_cb(void *data, char *input)
623{
a609f12a 624 struct thread_data *td = cb_data_to_td(data);
d0b937ed 625 const char * const policy_types[] =
05d6f44b 626 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 627 int i;
52c0cea3 628 char *nodelist;
43522848 629 struct bitmask *verify_bitmask;
52c0cea3
JA
630
631 if (parse_dryrun())
632 return 0;
d0b937ed 633
52c0cea3 634 nodelist = strchr(input, ':');
d0b937ed
YR
635 if (nodelist) {
636 /* NUL-terminate mode */
637 *nodelist++ = '\0';
638 }
639
640 for (i = 0; i <= MPOL_LOCAL; i++) {
641 if (!strcmp(input, policy_types[i])) {
642 td->o.numa_mem_mode = i;
643 break;
644 }
645 }
646 if (i > MPOL_LOCAL) {
647 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
648 goto out;
649 }
650
651 switch (td->o.numa_mem_mode) {
652 case MPOL_PREFERRED:
653 /*
654 * Insist on a nodelist of one node only
655 */
656 if (nodelist) {
657 char *rest = nodelist;
658 while (isdigit(*rest))
659 rest++;
660 if (*rest) {
661 log_err("fio: one node only for \'prefer\'\n");
662 goto out;
663 }
664 } else {
665 log_err("fio: one node is needed for \'prefer\'\n");
666 goto out;
667 }
668 break;
669 case MPOL_INTERLEAVE:
670 /*
671 * Default to online nodes with memory if no nodelist
672 */
673 if (!nodelist)
674 nodelist = strdup("all");
675 break;
676 case MPOL_LOCAL:
677 case MPOL_DEFAULT:
678 /*
679 * Don't allow a nodelist
680 */
681 if (nodelist) {
682 log_err("fio: NO nodelist for \'local\'\n");
683 goto out;
684 }
685 break;
686 case MPOL_BIND:
687 /*
688 * Insist on a nodelist
689 */
690 if (!nodelist) {
691 log_err("fio: a nodelist is needed for \'bind\'\n");
692 goto out;
693 }
694 break;
695 }
696
697
698 /* numa_parse_nodestring() parses a character string list
699 * of nodes into a bit mask. The bit mask is allocated by
700 * numa_allocate_nodemask(), so it should be freed by
701 * numa_free_nodemask().
702 */
703 switch (td->o.numa_mem_mode) {
704 case MPOL_PREFERRED:
705 td->o.numa_mem_prefer_node = atoi(nodelist);
706 break;
707 case MPOL_INTERLEAVE:
708 case MPOL_BIND:
43522848
DG
709 verify_bitmask = numa_parse_nodestring(nodelist);
710 if (verify_bitmask == NULL) {
d0b937ed
YR
711 log_err("fio: numa_parse_nodestring failed\n");
712 td_verror(td, 1, "str_numa_memnodes_cb");
713 return 1;
714 }
43522848
DG
715 td->o.numa_memnodes = strdup(nodelist);
716 numa_free_nodemask(verify_bitmask);
b74e419e 717
d0b937ed
YR
718 break;
719 case MPOL_LOCAL:
720 case MPOL_DEFAULT:
721 default:
722 break;
723 }
724
d0b937ed 725 return 0;
d0b937ed
YR
726out:
727 return 1;
728}
729#endif
730
214e1eca
JA
731static int str_fst_cb(void *data, const char *str)
732{
a609f12a 733 struct thread_data *td = cb_data_to_td(data);
8c07860d
JA
734 double val;
735 bool done = false;
736 char *nr;
214e1eca
JA
737
738 td->file_service_nr = 1;
8c07860d
JA
739
740 switch (td->o.file_service_type) {
741 case FIO_FSERVICE_RANDOM:
742 case FIO_FSERVICE_RR:
743 case FIO_FSERVICE_SEQ:
744 nr = get_opt_postfix(str);
745 if (nr) {
746 td->file_service_nr = atoi(nr);
747 free(nr);
748 }
749 done = true;
750 break;
751 case FIO_FSERVICE_ZIPF:
752 val = FIO_DEF_ZIPF;
753 break;
754 case FIO_FSERVICE_PARETO:
755 val = FIO_DEF_PARETO;
756 break;
757 case FIO_FSERVICE_GAUSS:
758 val = 0.0;
759 break;
760 default:
761 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
762 return 1;
763 }
764
765 if (done)
766 return 0;
767
768 nr = get_opt_postfix(str);
769 if (nr && !str_to_float(nr, &val, 0)) {
770 log_err("fio: file service type random postfix parsing failed\n");
182ec6ee 771 free(nr);
8c07860d
JA
772 return 1;
773 }
774
775 free(nr);
776
777 switch (td->o.file_service_type) {
778 case FIO_FSERVICE_ZIPF:
779 if (val == 1.00) {
780 log_err("fio: zipf theta must be different than 1.0\n");
781 return 1;
782 }
783 if (parse_dryrun())
784 return 0;
785 td->zipf_theta = val;
786 break;
787 case FIO_FSERVICE_PARETO:
788 if (val <= 0.00 || val >= 1.00) {
789 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
790 return 1;
791 }
792 if (parse_dryrun())
793 return 0;
794 td->pareto_h = val;
795 break;
796 case FIO_FSERVICE_GAUSS:
797 if (val < 0.00 || val >= 100.00) {
99c94a6b 798 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
8c07860d
JA
799 return 1;
800 }
801 if (parse_dryrun())
802 return 0;
803 td->gauss_dev = val;
804 break;
182ec6ee 805 }
214e1eca
JA
806
807 return 0;
808}
809
67bf9823 810#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
811static int str_sfr_cb(void *data, const char *str)
812{
a609f12a 813 struct thread_data *td = cb_data_to_td(data);
44f29692
JA
814 char *nr = get_opt_postfix(str);
815
816 td->sync_file_range_nr = 1;
817 if (nr) {
818 td->sync_file_range_nr = atoi(nr);
819 free(nr);
820 }
821
822 return 0;
823}
3ae06371 824#endif
44f29692 825
e0a04ac1
JA
826static int zone_cmp(const void *p1, const void *p2)
827{
828 const struct zone_split *zsp1 = p1;
829 const struct zone_split *zsp2 = p2;
830
831 return (int) zsp2->access_perc - (int) zsp1->access_perc;
832}
833
764593c0
JA
834static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
835 char *str)
e0a04ac1 836{
e0a04ac1 837 unsigned int i, perc, perc_missing, sperc, sperc_missing;
d2835319 838 struct split split;
e0a04ac1 839
d2835319 840 memset(&split, 0, sizeof(split));
e0a04ac1 841
d2835319
JA
842 if (split_parse_ddir(o, &split, ddir, str))
843 return 1;
844 if (!split.nr)
845 return 0;
e0a04ac1 846
d2835319
JA
847 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
848 o->zone_split_nr[ddir] = split.nr;
849 for (i = 0; i < split.nr; i++) {
850 o->zone_split[ddir][i].access_perc = split.val1[i];
851 o->zone_split[ddir][i].size_perc = split.val2[i];
e0a04ac1
JA
852 }
853
e0a04ac1
JA
854 /*
855 * Now check if the percentages add up, and how much is missing
856 */
857 perc = perc_missing = 0;
858 sperc = sperc_missing = 0;
859 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 860 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA
861
862 if (zsp->access_perc == (uint8_t) -1U)
863 perc_missing++;
864 else
865 perc += zsp->access_perc;
866
867 if (zsp->size_perc == (uint8_t) -1U)
868 sperc_missing++;
869 else
870 sperc += zsp->size_perc;
871
872 }
873
874 if (perc > 100 || sperc > 100) {
875 log_err("fio: zone_split percentages add to more than 100%%\n");
d2835319
JA
876 free(o->zone_split[ddir]);
877 o->zone_split[ddir] = NULL;
e0a04ac1
JA
878 return 1;
879 }
880 if (perc < 100) {
881 log_err("fio: access percentage don't add up to 100 for zoned "
882 "random distribution (got=%u)\n", perc);
d2835319
JA
883 free(o->zone_split[ddir]);
884 o->zone_split[ddir] = NULL;
e0a04ac1
JA
885 return 1;
886 }
887
888 /*
889 * If values didn't have a percentage set, divide the remains between
890 * them.
891 */
892 if (perc_missing) {
893 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
894 perc = 100;
895 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 896 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA
897
898 if (zsp->access_perc == (uint8_t) -1U)
899 zsp->access_perc = (100 - perc) / perc_missing;
900 }
901 }
902 if (sperc_missing) {
903 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
904 sperc = 100;
905 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 906 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA
907
908 if (zsp->size_perc == (uint8_t) -1U)
909 zsp->size_perc = (100 - sperc) / sperc_missing;
910 }
911 }
912
913 /*
914 * now sort based on percentages, for ease of lookup
915 */
d2835319 916 qsort(o->zone_split[ddir], o->zone_split_nr[ddir], sizeof(struct zone_split), zone_cmp);
e0a04ac1
JA
917 return 0;
918}
919
920static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
921{
922 unsigned int i, j, sprev, aprev;
923
924 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
925
926 sprev = aprev = 0;
927 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
928 struct zone_split *zsp = &td->o.zone_split[ddir][i];
929
930 for (j = aprev; j < aprev + zsp->access_perc; j++) {
931 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
932
933 zsi->size_perc = sprev + zsp->size_perc;
934 zsi->size_perc_prev = sprev;
935 }
936
937 aprev += zsp->access_perc;
938 sprev += zsp->size_perc;
939 }
940}
941
942/*
943 * Generate state table for indexes, so we don't have to do it inline from
944 * the hot IO path
945 */
946static void td_zone_gen_index(struct thread_data *td)
947{
948 int i;
949
950 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
951 sizeof(struct zone_split_index *));
952
953 for (i = 0; i < DDIR_RWDIR_CNT; i++)
954 __td_zone_gen_index(td, i);
955}
956
e0a04ac1
JA
957static int parse_zoned_distribution(struct thread_data *td, const char *input)
958{
764593c0 959 char *str, *p;
e0a04ac1
JA
960 int i, ret = 0;
961
962 p = str = strdup(input);
963
964 strip_blank_front(&str);
965 strip_blank_end(str);
966
967 /* We expect it to start like that, bail if not */
968 if (strncmp(str, "zoned:", 6)) {
969 log_err("fio: mismatch in zoned input <%s>\n", str);
970 free(p);
971 return 1;
972 }
973 str += strlen("zoned:");
974
764593c0 975 ret = str_split_parse(td, str, zone_split_ddir);
e0a04ac1
JA
976
977 free(p);
978
979 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
980 int j;
981
982 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
983
984 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
985 struct zone_split *zsp = &td->o.zone_split[i][j];
986
987 dprint(FD_PARSE, "\t%d: %u/%u\n", j, zsp->access_perc,
988 zsp->size_perc);
989 }
990 }
991
55baca06
JA
992 if (parse_dryrun()) {
993 int i;
994
995 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
996 free(td->o.zone_split[i]);
997 td->o.zone_split[i] = NULL;
998 td->o.zone_split_nr[i] = 0;
999 }
1000
1001 return ret;
1002 }
1003
e0a04ac1
JA
1004 if (!ret)
1005 td_zone_gen_index(td);
dc4bffb8
JA
1006 else {
1007 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1008 td->o.zone_split_nr[i] = 0;
1009 }
e0a04ac1
JA
1010
1011 return ret;
1012}
1013
e25839d4
JA
1014static int str_random_distribution_cb(void *data, const char *str)
1015{
a609f12a 1016 struct thread_data *td = cb_data_to_td(data);
e25839d4
JA
1017 double val;
1018 char *nr;
1019
925fee33 1020 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1021 val = FIO_DEF_ZIPF;
925fee33 1022 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1023 val = FIO_DEF_PARETO;
56d9fa4b
JA
1024 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1025 val = 0.0;
e0a04ac1
JA
1026 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
1027 return parse_zoned_distribution(td, str);
925fee33 1028 else
e25839d4
JA
1029 return 0;
1030
1031 nr = get_opt_postfix(str);
88038bc7 1032 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA
1033 log_err("fio: random postfix parsing failed\n");
1034 free(nr);
1035 return 1;
1036 }
1037
078189c1
JA
1038 free(nr);
1039
18ded917
JA
1040 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1041 if (val == 1.00) {
1042 log_err("fio: zipf theta must different than 1.0\n");
1043 return 1;
1044 }
55baca06
JA
1045 if (parse_dryrun())
1046 return 0;
1e5324e7 1047 td->o.zipf_theta.u.f = val;
56d9fa4b 1048 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA
1049 if (val <= 0.00 || val >= 1.00) {
1050 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1051 return 1;
1052 }
55baca06
JA
1053 if (parse_dryrun())
1054 return 0;
1e5324e7 1055 td->o.pareto_h.u.f = val;
3cdb8cf3 1056 } else {
76527b19 1057 if (val < 0.00 || val >= 100.0) {
99c94a6b 1058 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA
1059 return 1;
1060 }
55baca06
JA
1061 if (parse_dryrun())
1062 return 0;
f88cd222 1063 td->o.gauss_dev.u.f = val;
3cdb8cf3 1064 }
921c766f
JA
1065
1066 return 0;
1067}
1068
16e56d25
VF
1069static int str_steadystate_cb(void *data, const char *str)
1070{
94f218f6 1071 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF
1072 double val;
1073 char *nr;
1074 char *pct;
1075 long long ll;
1076
2c5d94bc
VF
1077 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1078 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF
1079 /* should be impossible to get here */
1080 log_err("fio: unknown steady state criterion\n");
1081 return 1;
1082 }
1083
1084 nr = get_opt_postfix(str);
1085 if (!nr) {
1086 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1087 free(nr);
1088 return 1;
1089 }
1090
1091 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1092 pct = strstr(nr, "%");
1093 if (pct) {
1094 *pct = '\0';
1095 strip_blank_end(nr);
1096 if (!str_to_float(nr, &val, 0)) {
1097 log_err("fio: could not parse steadystate threshold percentage\n");
1098 free(nr);
1099 return 1;
1100 }
1101
1102 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1103 free(nr);
1104 if (parse_dryrun())
1105 return 0;
1106
2c5d94bc 1107 td->o.ss_state |= __FIO_SS_PCT;
16e56d25 1108 td->o.ss_limit.u.f = val;
2c5d94bc 1109 } else if (td->o.ss_state & __FIO_SS_IOPS) {
16e56d25
VF
1110 if (!str_to_float(nr, &val, 0)) {
1111 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1112 free(nr);
1113 return 1;
1114 }
1115
1116 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1117 free(nr);
1118 if (parse_dryrun())
1119 return 0;
1120
16e56d25 1121 td->o.ss_limit.u.f = val;
16e56d25
VF
1122 } else { /* bandwidth criterion */
1123 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1124 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1125 free(nr);
1126 return 1;
1127 }
1128
1129 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1130 free(nr);
1131 if (parse_dryrun())
1132 return 0;
1133
16e56d25 1134 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF
1135 }
1136
2c5d94bc 1137 td->ss.state = td->o.ss_state;
16e56d25
VF
1138 return 0;
1139}
1140
8e827d35 1141/*
bcbfeefa 1142 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA
1143 * is escaped with a '\', then that ':' is part of the filename and does not
1144 * indicate a new file.
1145 */
bcbfeefa 1146static char *get_next_name(char **ptr)
8e827d35
JA
1147{
1148 char *str = *ptr;
1149 char *p, *start;
1150
1151 if (!str || !strlen(str))
1152 return NULL;
1153
1154 start = str;
1155 do {
1156 /*
1157 * No colon, we are done
1158 */
1159 p = strchr(str, ':');
1160 if (!p) {
1161 *ptr = NULL;
1162 break;
1163 }
1164
1165 /*
1166 * We got a colon, but it's the first character. Skip and
1167 * continue
1168 */
1169 if (p == start) {
1170 str = ++start;
1171 continue;
1172 }
1173
1174 if (*(p - 1) != '\\') {
1175 *p = '\0';
1176 *ptr = p + 1;
1177 break;
1178 }
1179
1180 memmove(p - 1, p, strlen(p) + 1);
1181 str = p;
1182 } while (1);
1183
1184 return start;
1185}
1186
bcbfeefa
CE
1187
1188static int get_max_name_idx(char *input)
1189{
1190 unsigned int cur_idx;
1191 char *str, *p;
1192
1193 p = str = strdup(input);
1194 for (cur_idx = 0; ; cur_idx++)
1195 if (get_next_name(&str) == NULL)
1196 break;
1197
1198 free(p);
1199 return cur_idx;
1200}
1201
1202/*
1203 * Returns the directory at the index, indexes > entires will be
1204 * assigned via modulo division of the index
1205 */
922a5be8
JA
1206int set_name_idx(char *target, size_t tlen, char *input, int index,
1207 bool unique_filename)
bcbfeefa
CE
1208{
1209 unsigned int cur_idx;
1210 int len;
1211 char *fname, *str, *p;
1212
1213 p = str = strdup(input);
1214
1215 index %= get_max_name_idx(input);
1216 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1217 fname = get_next_name(&str);
1218
922a5be8 1219 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA
1220 len = snprintf(target, tlen, "%s/%s.", fname,
1221 client_sockaddr_str);
1222 } else
1223 len = snprintf(target, tlen, "%s/", fname);
72a703da 1224
e13c3b50 1225 target[tlen - 1] = '\0';
bcbfeefa
CE
1226 free(p);
1227
1228 return len;
1229}
1230
214e1eca
JA
1231static int str_filename_cb(void *data, const char *input)
1232{
a609f12a 1233 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA
1234 char *fname, *str, *p;
1235
1236 p = str = strdup(input);
1237
1238 strip_blank_front(&str);
1239 strip_blank_end(str);
1240
79591fa9
TK
1241 /*
1242 * Ignore what we may already have from nrfiles option.
1243 */
214e1eca 1244 if (!td->files_index)
2dc1bbeb 1245 td->o.nr_files = 0;
214e1eca 1246
bcbfeefa 1247 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA
1248 if (!strlen(fname))
1249 break;
5903e7b7 1250 add_file(td, fname, 0, 1);
214e1eca
JA
1251 }
1252
1253 free(p);
1254 return 0;
1255}
1256
bcbfeefa 1257static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1258{
a609f12a 1259 struct thread_data *td = cb_data_to_td(data);
214e1eca 1260 struct stat sb;
bcbfeefa
CE
1261 char *dirname, *str, *p;
1262 int ret = 0;
214e1eca 1263
f9633d72
JA
1264 if (parse_dryrun())
1265 return 0;
1266
bcbfeefa
CE
1267 p = str = strdup(td->o.directory);
1268 while ((dirname = get_next_name(&str)) != NULL) {
1269 if (lstat(dirname, &sb) < 0) {
1270 ret = errno;
921c766f 1271
bcbfeefa
CE
1272 log_err("fio: %s is not a directory\n", dirname);
1273 td_verror(td, ret, "lstat");
1274 goto out;
1275 }
1276 if (!S_ISDIR(sb.st_mode)) {
1277 log_err("fio: %s is not a directory\n", dirname);
1278 ret = 1;
1279 goto out;
1280 }
214e1eca
JA
1281 }
1282
bcbfeefa
CE
1283out:
1284 free(p);
1285 return ret;
214e1eca
JA
1286}
1287
1288static int str_opendir_cb(void *data, const char fio_unused *str)
1289{
a609f12a 1290 struct thread_data *td = cb_data_to_td(data);
214e1eca 1291
52c0cea3
JA
1292 if (parse_dryrun())
1293 return 0;
1294
214e1eca 1295 if (!td->files_index)
2dc1bbeb 1296 td->o.nr_files = 0;
214e1eca 1297
2dc1bbeb 1298 return add_dir_files(td, td->o.opendir);
214e1eca
JA
1299}
1300
ce35b1ec
JA
1301static int str_buffer_pattern_cb(void *data, const char *input)
1302{
a609f12a 1303 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA
1304 int ret;
1305
61b9861d
RP
1306 /* FIXME: for now buffer pattern does not support formats */
1307 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1308 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1309 if (ret < 0)
1310 return 1;
ce35b1ec 1311
61b9861d
RP
1312 assert(ret != 0);
1313 td->o.buffer_pattern_bytes = ret;
c55fae03
JA
1314
1315 /*
1316 * If this job is doing any reading or has compression set,
1317 * ensure that we refill buffers for writes or we could be
1318 * invalidating the pattern through reads.
1319 */
1320 if (!td->o.compress_percentage && !td_read(td))
61b9861d 1321 td->o.refill_buffers = 0;
c55fae03
JA
1322 else
1323 td->o.refill_buffers = 1;
1324
61b9861d
RP
1325 td->o.scramble_buffers = 0;
1326 td->o.zero_buffers = 0;
efcd9dcc 1327
61b9861d 1328 return 0;
ce35b1ec
JA
1329}
1330
bedc9dc2
JA
1331static int str_buffer_compress_cb(void *data, unsigned long long *il)
1332{
a609f12a 1333 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA
1334
1335 td->flags |= TD_F_COMPRESS;
1336 td->o.compress_percentage = *il;
1337 return 0;
1338}
1339
5c94b008
JA
1340static int str_dedupe_cb(void *data, unsigned long long *il)
1341{
a609f12a 1342 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA
1343
1344 td->flags |= TD_F_COMPRESS;
1345 td->o.dedupe_percentage = *il;
1346 td->o.refill_buffers = 1;
1347 return 0;
1348}
1349
ce35b1ec
JA
1350static int str_verify_pattern_cb(void *data, const char *input)
1351{
a609f12a 1352 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA
1353 int ret;
1354
61b9861d
RP
1355 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1356 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA
1357 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1358 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP
1359 if (ret < 0)
1360 return 1;
efcd9dcc 1361
61b9861d
RP
1362 assert(ret != 0);
1363 td->o.verify_pattern_bytes = ret;
92bf48d5 1364 /*
b638d82f 1365 * VERIFY_* could already be set
92bf48d5 1366 */
61b9861d 1367 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1368 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1369
61b9861d 1370 return 0;
90059d65 1371}
214e1eca 1372
993bf48b
JA
1373static int str_gtod_reduce_cb(void *data, int *il)
1374{
a609f12a 1375 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA
1376 int val = *il;
1377
02af0988 1378 td->o.disable_lat = !!val;
993bf48b
JA
1379 td->o.disable_clat = !!val;
1380 td->o.disable_slat = !!val;
1381 td->o.disable_bw = !!val;
0dc1bc03 1382 td->o.clat_percentiles = !val;
993bf48b 1383 if (val)
8b6a404c 1384 td->ts_cache_mask = 63;
993bf48b
JA
1385
1386 return 0;
1387}
1388
89978a6b
BW
1389static int str_offset_cb(void *data, unsigned long long *__val)
1390{
1391 struct thread_data *td = cb_data_to_td(data);
1392 unsigned long long v = *__val;
1393
1394 if (parse_is_percent(v)) {
1395 td->o.start_offset = 0;
1396 td->o.start_offset_percent = -1ULL - v;
872e0415
JA
1397 dprint(FD_PARSE, "SET start_offset_percent %d\n",
1398 td->o.start_offset_percent);
89978a6b
BW
1399 } else
1400 td->o.start_offset = v;
1401
1402 return 0;
1403}
1404
7bb59102
JA
1405static int str_size_cb(void *data, unsigned long long *__val)
1406{
a609f12a 1407 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA
1408 unsigned long long v = *__val;
1409
1410 if (parse_is_percent(v)) {
1411 td->o.size = 0;
1412 td->o.size_percent = -1ULL - v;
24e4321c
TK
1413 dprint(FD_PARSE, "SET size_percent %d\n",
1414 td->o.size_percent);
7bb59102
JA
1415 } else
1416 td->o.size = v;
1417
1418 return 0;
1419}
1420
dded427c
OS
1421static int str_write_bw_log_cb(void *data, const char *str)
1422{
1423 struct thread_data *td = cb_data_to_td(data);
1424
1425 if (str)
1426 td->o.bw_log_file = strdup(str);
1427
1428 td->o.write_bw_log = 1;
1429 return 0;
1430}
1431
1432static int str_write_lat_log_cb(void *data, const char *str)
1433{
1434 struct thread_data *td = cb_data_to_td(data);
1435
1436 if (str)
1437 td->o.lat_log_file = strdup(str);
1438
1439 td->o.write_lat_log = 1;
1440 return 0;
1441}
1442
1443static int str_write_iops_log_cb(void *data, const char *str)
1444{
1445 struct thread_data *td = cb_data_to_td(data);
1446
1447 if (str)
1448 td->o.iops_log_file = strdup(str);
1449
1450 td->o.write_iops_log = 1;
1451 return 0;
1452}
1453
1454static int str_write_hist_log_cb(void *data, const char *str)
1455{
1456 struct thread_data *td = cb_data_to_td(data);
1457
1458 if (str)
1459 td->o.hist_log_file = strdup(str);
1460
1461 td->o.write_hist_log = 1;
1462 return 0;
1463}
1464
896cac2a
JA
1465static int rw_verify(struct fio_option *o, void *data)
1466{
a609f12a 1467 struct thread_data *td = cb_data_to_td(data);
896cac2a
JA
1468
1469 if (read_only && td_write(td)) {
1470 log_err("fio: job <%s> has write bit set, but fio is in"
1471 " read-only mode\n", td->o.name);
1472 return 1;
1473 }
1474
1475 return 0;
1476}
1477
276ca4f7 1478static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1479{
276ca4f7 1480#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1481 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1482
29d43ff9
JA
1483 if (td->o.gtod_cpu) {
1484 log_err("fio: platform must support CPU affinity for"
1485 "gettimeofday() offloading\n");
1486 return 1;
1487 }
1488#endif
1489
1490 return 0;
1491}
1492
214e1eca
JA
1493/*
1494 * Map of job/command line options
1495 */
9af4a244 1496struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA
1497 {
1498 .name = "description",
e8b0e958 1499 .lname = "Description of job",
214e1eca 1500 .type = FIO_OPT_STR_STORE,
a609f12a 1501 .off1 = offsetof(struct thread_options, description),
214e1eca 1502 .help = "Text job description",
e8b0e958 1503 .category = FIO_OPT_C_GENERAL,
0626037e 1504 .group = FIO_OPT_G_DESC,
214e1eca
JA
1505 },
1506 {
1507 .name = "name",
e8b0e958 1508 .lname = "Job name",
214e1eca 1509 .type = FIO_OPT_STR_STORE,
a609f12a 1510 .off1 = offsetof(struct thread_options, name),
214e1eca 1511 .help = "Name of this job",
e8b0e958 1512 .category = FIO_OPT_C_GENERAL,
0626037e 1513 .group = FIO_OPT_G_DESC,
214e1eca 1514 },
9cc8cb91
AK
1515 {
1516 .name = "wait_for",
1517 .lname = "Waitee name",
1518 .type = FIO_OPT_STR_STORE,
a609f12a 1519 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK
1520 .help = "Name of the job this one wants to wait for before starting",
1521 .category = FIO_OPT_C_GENERAL,
1522 .group = FIO_OPT_G_DESC,
1523 },
214e1eca
JA
1524 {
1525 .name = "filename",
e8b0e958 1526 .lname = "Filename(s)",
214e1eca 1527 .type = FIO_OPT_STR_STORE,
a609f12a 1528 .off1 = offsetof(struct thread_options, filename),
214e1eca 1529 .cb = str_filename_cb,
f0d524b0 1530 .prio = -1, /* must come after "directory" */
214e1eca 1531 .help = "File(s) to use for the workload",
e8b0e958 1532 .category = FIO_OPT_C_FILE,
0626037e 1533 .group = FIO_OPT_G_FILENAME,
214e1eca 1534 },
90fef2d1 1535 {
e8b0e958
JA
1536 .name = "directory",
1537 .lname = "Directory",
1538 .type = FIO_OPT_STR_STORE,
a609f12a 1539 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA
1540 .cb = str_directory_cb,
1541 .help = "Directory to store files in",
1542 .category = FIO_OPT_C_FILE,
0626037e 1543 .group = FIO_OPT_G_FILENAME,
90fef2d1 1544 },
de98bd30
JA
1545 {
1546 .name = "filename_format",
922a5be8 1547 .lname = "Filename Format",
de98bd30 1548 .type = FIO_OPT_STR_STORE,
a609f12a 1549 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA
1550 .prio = -1, /* must come after "directory" */
1551 .help = "Override default $jobname.$jobnum.$filenum naming",
1552 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA
1553 .category = FIO_OPT_C_FILE,
1554 .group = FIO_OPT_G_FILENAME,
ad705bcb 1555 },
922a5be8
JA
1556 {
1557 .name = "unique_filename",
1558 .lname = "Unique Filename",
1559 .type = FIO_OPT_BOOL,
a609f12a 1560 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA
1561 .help = "For network clients, prefix file with source IP",
1562 .def = "1",
1563 .category = FIO_OPT_C_FILE,
1564 .group = FIO_OPT_G_FILENAME,
1565 },
29c1349f
JA
1566 {
1567 .name = "lockfile",
e8b0e958 1568 .lname = "Lockfile",
4d4e80f2 1569 .type = FIO_OPT_STR,
a609f12a 1570 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1571 .help = "Lock file when doing IO to it",
bc6a0a5d 1572 .prio = 1,
29c1349f 1573 .parent = "filename",
d71c154c 1574 .hide = 0,
4d4e80f2 1575 .def = "none",
e8b0e958 1576 .category = FIO_OPT_C_FILE,
0626037e 1577 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA
1578 .posval = {
1579 { .ival = "none",
1580 .oval = FILE_LOCK_NONE,
1581 .help = "No file locking",
1582 },
1583 { .ival = "exclusive",
1584 .oval = FILE_LOCK_EXCLUSIVE,
1585 .help = "Exclusive file lock",
1586 },
1587 {
1588 .ival = "readwrite",
1589 .oval = FILE_LOCK_READWRITE,
1590 .help = "Read vs write lock",
1591 },
1592 },
29c1349f 1593 },
214e1eca
JA
1594 {
1595 .name = "opendir",
e8b0e958 1596 .lname = "Open directory",
214e1eca 1597 .type = FIO_OPT_STR_STORE,
a609f12a 1598 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA
1599 .cb = str_opendir_cb,
1600 .help = "Recursively add files from this directory and down",
e8b0e958 1601 .category = FIO_OPT_C_FILE,
0626037e 1602 .group = FIO_OPT_G_FILENAME,
214e1eca
JA
1603 },
1604 {
1605 .name = "rw",
e8b0e958 1606 .lname = "Read/write",
d3aad8f2 1607 .alias = "readwrite",
214e1eca 1608 .type = FIO_OPT_STR,
211097b2 1609 .cb = str_rw_cb,
a609f12a 1610 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA
1611 .help = "IO direction",
1612 .def = "read",
896cac2a 1613 .verify = rw_verify,
e8b0e958 1614 .category = FIO_OPT_C_IO,
0626037e 1615 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1616 .posval = {
1617 { .ival = "read",
1618 .oval = TD_DDIR_READ,
1619 .help = "Sequential read",
1620 },
1621 { .ival = "write",
1622 .oval = TD_DDIR_WRITE,
1623 .help = "Sequential write",
1624 },
6eaf09d6
SL
1625 { .ival = "trim",
1626 .oval = TD_DDIR_TRIM,
1627 .help = "Sequential trim",
1628 },
214e1eca
JA
1629 { .ival = "randread",
1630 .oval = TD_DDIR_RANDREAD,
1631 .help = "Random read",
1632 },
1633 { .ival = "randwrite",
1634 .oval = TD_DDIR_RANDWRITE,
1635 .help = "Random write",
1636 },
6eaf09d6
SL
1637 { .ival = "randtrim",
1638 .oval = TD_DDIR_RANDTRIM,
1639 .help = "Random trim",
1640 },
214e1eca
JA
1641 { .ival = "rw",
1642 .oval = TD_DDIR_RW,
1643 .help = "Sequential read and write mix",
1644 },
10b023db
JA
1645 { .ival = "readwrite",
1646 .oval = TD_DDIR_RW,
1647 .help = "Sequential read and write mix",
1648 },
214e1eca
JA
1649 { .ival = "randrw",
1650 .oval = TD_DDIR_RANDRW,
1651 .help = "Random read and write mix"
1652 },
82a90686
JA
1653 { .ival = "trimwrite",
1654 .oval = TD_DDIR_TRIMWRITE,
1655 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1656 },
214e1eca
JA
1657 },
1658 },
38dad62d
JA
1659 {
1660 .name = "rw_sequencer",
e8b0e958 1661 .lname = "RW Sequencer",
38dad62d 1662 .type = FIO_OPT_STR,
a609f12a 1663 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA
1664 .help = "IO offset generator modifier",
1665 .def = "sequential",
e8b0e958 1666 .category = FIO_OPT_C_IO,
0626037e 1667 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA
1668 .posval = {
1669 { .ival = "sequential",
1670 .oval = RW_SEQ_SEQ,
1671 .help = "Generate sequential offsets",
1672 },
1673 { .ival = "identical",
1674 .oval = RW_SEQ_IDENT,
1675 .help = "Generate identical offsets",
1676 },
1677 },
1678 },
1679
214e1eca
JA
1680 {
1681 .name = "ioengine",
e8b0e958 1682 .lname = "IO Engine",
214e1eca 1683 .type = FIO_OPT_STR_STORE,
a609f12a 1684 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1685 .help = "IO engine to use",
58483fa4 1686 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1687 .category = FIO_OPT_C_IO,
0626037e 1688 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1689 .posval = {
1690 { .ival = "sync",
1691 .help = "Use read/write",
1692 },
a31041ea 1693 { .ival = "psync",
1694 .help = "Use pread/pwrite",
1695 },
1d2af02a 1696 { .ival = "vsync",
03e20d68 1697 .help = "Use readv/writev",
1d2af02a 1698 },
07fc0acd
JA
1699#ifdef CONFIG_PWRITEV
1700 { .ival = "pvsync",
1701 .help = "Use preadv/pwritev",
1702 },
1703#endif
6562685f 1704#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA
1705 { .ival = "pvsync2",
1706 .help = "Use preadv2/pwritev2",
1707 },
1708#endif
67bf9823 1709#ifdef CONFIG_LIBAIO
214e1eca
JA
1710 { .ival = "libaio",
1711 .help = "Linux native asynchronous IO",
1712 },
1713#endif
67bf9823 1714#ifdef CONFIG_POSIXAIO
214e1eca
JA
1715 { .ival = "posixaio",
1716 .help = "POSIX asynchronous IO",
1717 },
417f0068 1718#endif
997843cb 1719#ifdef CONFIG_SOLARISAIO
417f0068
JA
1720 { .ival = "solarisaio",
1721 .help = "Solaris native asynchronous IO",
1722 },
214e1eca 1723#endif
4700b234 1724#ifdef CONFIG_WINDOWSAIO
03e20d68 1725 { .ival = "windowsaio",
3be80071 1726 .help = "Windows native asynchronous IO"
de890a1e 1727 },
fc5c0345
DG
1728#endif
1729#ifdef CONFIG_RBD
1730 { .ival = "rbd",
1731 .help = "Rados Block Device asynchronous IO"
1732 },
3be80071 1733#endif
214e1eca 1734 { .ival = "mmap",
03e20d68 1735 .help = "Memory mapped IO"
214e1eca 1736 },
67bf9823 1737#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA
1738 { .ival = "splice",
1739 .help = "splice/vmsplice based IO",
1740 },
9cce02e8
JA
1741 { .ival = "netsplice",
1742 .help = "splice/vmsplice to/from the network",
1743 },
214e1eca
JA
1744#endif
1745#ifdef FIO_HAVE_SGIO
1746 { .ival = "sg",
1747 .help = "SCSI generic v3 IO",
1748 },
1749#endif
1750 { .ival = "null",
1751 .help = "Testing engine (no data transfer)",
1752 },
1753 { .ival = "net",
1754 .help = "Network IO",
1755 },
214e1eca 1756 { .ival = "cpuio",
03e20d68 1757 .help = "CPU cycle burner engine",
214e1eca 1758 },
67bf9823 1759#ifdef CONFIG_GUASI
b8c82a46
JA
1760 { .ival = "guasi",
1761 .help = "GUASI IO engine",
1762 },
79a43187
JA
1763#endif
1764#ifdef FIO_HAVE_BINJECT
1765 { .ival = "binject",
1766 .help = "binject direct inject block engine",
1767 },
21b8aee8 1768#endif
67bf9823 1769#ifdef CONFIG_RDMA
21b8aee8 1770 { .ival = "rdma",
1771 .help = "RDMA IO engine",
1772 },
8200b8c7 1773#endif
67bf9823 1774#ifdef CONFIG_FUSION_AW
8200b8c7
JA
1775 { .ival = "fusion-aw-sync",
1776 .help = "Fusion-io atomic write engine",
1777 },
1ecc95ca 1778#endif
997843cb 1779#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA
1780 { .ival = "e4defrag",
1781 .help = "ext4 defrag engine",
1782 },
1783#endif
997843cb 1784#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA
1785 { .ival = "falloc",
1786 .help = "fallocate() file based engine",
1787 },
b8c82a46 1788#endif
a7c386f4 1789#ifdef CONFIG_GFAPI
1790 { .ival = "gfapi",
cc47f094 1791 .help = "Glusterfs libgfapi(sync) based engine"
1792 },
1793 { .ival = "gfapi_async",
1794 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1795 },
1796#endif
1b10477b 1797#ifdef CONFIG_LIBHDFS
b74e419e 1798 { .ival = "libhdfs",
1b10477b
MM
1799 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1800 },
5c4ef02e
JA
1801#endif
1802#ifdef CONFIG_PMEMBLK
1803 { .ival = "pmemblk",
1804 .help = "NVML libpmemblk based IO engine",
1805 },
1806
104ee4de
DJ
1807#endif
1808#ifdef CONFIG_LINUX_DEVDAX
1809 { .ival = "dev-dax",
1810 .help = "DAX Device based IO engine",
1811 },
1b10477b 1812#endif
214e1eca
JA
1813 { .ival = "external",
1814 .help = "Load external engine (append name)",
1815 },
1816 },
1817 },
1818 {
1819 .name = "iodepth",
e8b0e958 1820 .lname = "IO Depth",
214e1eca 1821 .type = FIO_OPT_INT,
a609f12a 1822 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1823 .help = "Number of IO buffers to keep in flight",
757aff4f 1824 .minval = 1,
20eb06bd 1825 .interval = 1,
214e1eca 1826 .def = "1",
e8b0e958 1827 .category = FIO_OPT_C_IO,
0626037e 1828 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1829 },
1830 {
1831 .name = "iodepth_batch",
e8b0e958 1832 .lname = "IO Depth batch",
4950421a 1833 .alias = "iodepth_batch_submit",
214e1eca 1834 .type = FIO_OPT_INT,
a609f12a 1835 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1836 .help = "Number of IO buffers to submit in one go",
afdf9352 1837 .parent = "iodepth",
d71c154c 1838 .hide = 1,
20eb06bd 1839 .interval = 1,
a2e6f8ac 1840 .def = "1",
e8b0e958 1841 .category = FIO_OPT_C_IO,
0626037e 1842 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA
1843 },
1844 {
82407585
RP
1845 .name = "iodepth_batch_complete_min",
1846 .lname = "Min IO depth batch complete",
1847 .alias = "iodepth_batch_complete",
4950421a 1848 .type = FIO_OPT_INT,
a609f12a 1849 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1850 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1851 .parent = "iodepth",
d71c154c 1852 .hide = 1,
4950421a 1853 .minval = 0,
20eb06bd 1854 .interval = 1,
4950421a 1855 .def = "1",
e8b0e958 1856 .category = FIO_OPT_C_IO,
0626037e 1857 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1858 },
82407585
RP
1859 {
1860 .name = "iodepth_batch_complete_max",
1861 .lname = "Max IO depth batch complete",
1862 .type = FIO_OPT_INT,
a609f12a 1863 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP
1864 .help = "Max number of IO buffers to retrieve in one go",
1865 .parent = "iodepth",
1866 .hide = 1,
1867 .minval = 0,
1868 .interval = 1,
1869 .category = FIO_OPT_C_IO,
1870 .group = FIO_OPT_G_IO_BASIC,
1871 },
214e1eca
JA
1872 {
1873 .name = "iodepth_low",
e8b0e958 1874 .lname = "IO Depth batch low",
214e1eca 1875 .type = FIO_OPT_INT,
a609f12a 1876 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1877 .help = "Low water mark for queuing depth",
afdf9352 1878 .parent = "iodepth",
d71c154c 1879 .hide = 1,
20eb06bd 1880 .interval = 1,
e8b0e958 1881 .category = FIO_OPT_C_IO,
0626037e 1882 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1883 },
997b5680
SW
1884 {
1885 .name = "serialize_overlap",
1886 .lname = "Serialize overlap",
1887 .off1 = offsetof(struct thread_options, serialize_overlap),
1888 .type = FIO_OPT_BOOL,
1889 .help = "Wait for in-flight IOs that collide to complete",
1890 .parent = "iodepth",
1891 .def = "0",
1892 .category = FIO_OPT_C_IO,
1893 .group = FIO_OPT_G_IO_BASIC,
1894 },
a9da8ab2
JA
1895 {
1896 .name = "io_submit_mode",
1897 .lname = "IO submit mode",
1898 .type = FIO_OPT_STR,
a609f12a 1899 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA
1900 .help = "How IO submissions and completions are done",
1901 .def = "inline",
1902 .category = FIO_OPT_C_IO,
1903 .group = FIO_OPT_G_IO_BASIC,
1904 .posval = {
1905 { .ival = "inline",
1906 .oval = IO_MODE_INLINE,
1907 .help = "Submit and complete IO inline",
1908 },
1909 { .ival = "offload",
1910 .oval = IO_MODE_OFFLOAD,
1911 .help = "Offload submit and complete to threads",
1912 },
1913 },
1914 },
214e1eca
JA
1915 {
1916 .name = "size",
e8b0e958 1917 .lname = "Size",
214e1eca 1918 .type = FIO_OPT_STR_VAL,
7bb59102 1919 .cb = str_size_cb,
a609f12a 1920 .off1 = offsetof(struct thread_options, size),
214e1eca 1921 .help = "Total size of device or files",
20eb06bd 1922 .interval = 1024 * 1024,
e8b0e958
JA
1923 .category = FIO_OPT_C_IO,
1924 .group = FIO_OPT_G_INVALID,
214e1eca 1925 },
77731b29 1926 {
a4d3b4db
JA
1927 .name = "io_size",
1928 .alias = "io_limit",
1929 .lname = "IO Size",
77731b29 1930 .type = FIO_OPT_STR_VAL,
5be9bf09 1931 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 1932 .help = "Total size of I/O to be performed",
77731b29
JA
1933 .interval = 1024 * 1024,
1934 .category = FIO_OPT_C_IO,
1935 .group = FIO_OPT_G_INVALID,
1936 },
aa31f1f1
SL
1937 {
1938 .name = "fill_device",
e8b0e958 1939 .lname = "Fill device",
74586c1e 1940 .alias = "fill_fs",
aa31f1f1 1941 .type = FIO_OPT_BOOL,
a609f12a 1942 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL
1943 .help = "Write until an ENOSPC error occurs",
1944 .def = "0",
e8b0e958
JA
1945 .category = FIO_OPT_C_FILE,
1946 .group = FIO_OPT_G_INVALID,
aa31f1f1 1947 },
214e1eca
JA
1948 {
1949 .name = "filesize",
e8b0e958 1950 .lname = "File size",
214e1eca 1951 .type = FIO_OPT_STR_VAL,
a609f12a
JA
1952 .off1 = offsetof(struct thread_options, file_size_low),
1953 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 1954 .minval = 1,
214e1eca 1955 .help = "Size of individual files",
20eb06bd 1956 .interval = 1024 * 1024,
e8b0e958
JA
1957 .category = FIO_OPT_C_FILE,
1958 .group = FIO_OPT_G_INVALID,
214e1eca 1959 },
bedc9dc2
JA
1960 {
1961 .name = "file_append",
1962 .lname = "File append",
1963 .type = FIO_OPT_BOOL,
a609f12a 1964 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA
1965 .help = "IO will start at the end of the file(s)",
1966 .def = "0",
1967 .category = FIO_OPT_C_FILE,
1968 .group = FIO_OPT_G_INVALID,
1969 },
67a1000f
JA
1970 {
1971 .name = "offset",
e8b0e958 1972 .lname = "IO offset",
67a1000f
JA
1973 .alias = "fileoffset",
1974 .type = FIO_OPT_STR_VAL,
89978a6b 1975 .cb = str_offset_cb,
a609f12a 1976 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA
1977 .help = "Start IO from this offset",
1978 .def = "0",
20eb06bd 1979 .interval = 1024 * 1024,
e8b0e958
JA
1980 .category = FIO_OPT_C_IO,
1981 .group = FIO_OPT_G_INVALID,
67a1000f 1982 },
2d7cd868
JA
1983 {
1984 .name = "offset_increment",
e8b0e958 1985 .lname = "IO offset increment",
2d7cd868 1986 .type = FIO_OPT_STR_VAL,
a609f12a 1987 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA
1988 .help = "What is the increment from one offset to the next",
1989 .parent = "offset",
d71c154c 1990 .hide = 1,
2d7cd868 1991 .def = "0",
20eb06bd 1992 .interval = 1024 * 1024,
e8b0e958
JA
1993 .category = FIO_OPT_C_IO,
1994 .group = FIO_OPT_G_INVALID,
2d7cd868 1995 },
ddf24e42
JA
1996 {
1997 .name = "number_ios",
1998 .lname = "Number of IOs to perform",
1999 .type = FIO_OPT_STR_VAL,
a609f12a 2000 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2001 .help = "Force job completion after this number of IOs",
ddf24e42
JA
2002 .def = "0",
2003 .category = FIO_OPT_C_IO,
2004 .group = FIO_OPT_G_INVALID,
2005 },
214e1eca
JA
2006 {
2007 .name = "bs",
e8b0e958 2008 .lname = "Block size",
d3aad8f2 2009 .alias = "blocksize",
e01b22b8 2010 .type = FIO_OPT_INT,
a609f12a
JA
2011 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2012 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2013 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2014 .minval = 1,
214e1eca 2015 .help = "Block size unit",
2b9136a3 2016 .def = "4096",
67a1000f 2017 .parent = "rw",
d71c154c 2018 .hide = 1,
20eb06bd 2019 .interval = 512,
e8b0e958
JA
2020 .category = FIO_OPT_C_IO,
2021 .group = FIO_OPT_G_INVALID,
214e1eca 2022 },
2b7a01d0
JA
2023 {
2024 .name = "ba",
e8b0e958 2025 .lname = "Block size align",
2b7a01d0 2026 .alias = "blockalign",
e01b22b8 2027 .type = FIO_OPT_INT,
a609f12a
JA
2028 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2029 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2030 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA
2031 .minval = 1,
2032 .help = "IO block offset alignment",
2033 .parent = "rw",
d71c154c 2034 .hide = 1,
20eb06bd 2035 .interval = 512,
e8b0e958
JA
2036 .category = FIO_OPT_C_IO,
2037 .group = FIO_OPT_G_INVALID,
2b7a01d0 2038 },
214e1eca
JA
2039 {
2040 .name = "bsrange",
e8b0e958 2041 .lname = "Block size range",
d3aad8f2 2042 .alias = "blocksize_range",
214e1eca 2043 .type = FIO_OPT_RANGE,
a609f12a
JA
2044 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2045 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2046 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2047 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2048 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2049 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2050 .minval = 1,
214e1eca 2051 .help = "Set block size range (in more detail than bs)",
67a1000f 2052 .parent = "rw",
d71c154c 2053 .hide = 1,
20eb06bd 2054 .interval = 4096,
e8b0e958
JA
2055 .category = FIO_OPT_C_IO,
2056 .group = FIO_OPT_G_INVALID,
214e1eca 2057 },
564ca972
JA
2058 {
2059 .name = "bssplit",
e8b0e958 2060 .lname = "Block size split",
564ca972
JA
2061 .type = FIO_OPT_STR,
2062 .cb = str_bssplit_cb,
a609f12a 2063 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA
2064 .help = "Set a specific mix of block sizes",
2065 .parent = "rw",
d71c154c 2066 .hide = 1,
e8b0e958
JA
2067 .category = FIO_OPT_C_IO,
2068 .group = FIO_OPT_G_INVALID,
564ca972 2069 },
214e1eca
JA
2070 {
2071 .name = "bs_unaligned",
e8b0e958 2072 .lname = "Block size unaligned",
d3aad8f2 2073 .alias = "blocksize_unaligned",
214e1eca 2074 .type = FIO_OPT_STR_SET,
a609f12a 2075 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2076 .help = "Don't sector align IO buffer sizes",
67a1000f 2077 .parent = "rw",
d71c154c 2078 .hide = 1,
e8b0e958
JA
2079 .category = FIO_OPT_C_IO,
2080 .group = FIO_OPT_G_INVALID,
214e1eca 2081 },
6aca9b3d
JA
2082 {
2083 .name = "bs_is_seq_rand",
2084 .lname = "Block size division is seq/random (not read/write)",
2085 .type = FIO_OPT_BOOL,
a609f12a 2086 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2087 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA
2088 .def = "0",
2089 .parent = "blocksize",
2090 .category = FIO_OPT_C_IO,
2091 .group = FIO_OPT_G_INVALID,
2092 },
214e1eca
JA
2093 {
2094 .name = "randrepeat",
e8b0e958 2095 .lname = "Random repeatable",
214e1eca 2096 .type = FIO_OPT_BOOL,
a609f12a 2097 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA
2098 .help = "Use repeatable random IO pattern",
2099 .def = "1",
67a1000f 2100 .parent = "rw",
d71c154c 2101 .hide = 1,
e8b0e958 2102 .category = FIO_OPT_C_IO,
3ceb458f 2103 .group = FIO_OPT_G_RANDOM,
214e1eca 2104 },
04778baf
JA
2105 {
2106 .name = "randseed",
2107 .lname = "The random generator seed",
363cffa7 2108 .type = FIO_OPT_STR_VAL,
a609f12a 2109 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2110 .help = "Set the random generator seed value",
40fe5e7b 2111 .def = "0x89",
04778baf
JA
2112 .parent = "rw",
2113 .category = FIO_OPT_C_IO,
2114 .group = FIO_OPT_G_RANDOM,
2115 },
2615cc4b
JA
2116 {
2117 .name = "use_os_rand",
e8b0e958 2118 .lname = "Use OS random",
54a21917 2119 .type = FIO_OPT_DEPRECATED,
a609f12a 2120 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2121 .category = FIO_OPT_C_IO,
3ceb458f 2122 .group = FIO_OPT_G_RANDOM,
2615cc4b 2123 },
214e1eca
JA
2124 {
2125 .name = "norandommap",
e8b0e958 2126 .lname = "No randommap",
214e1eca 2127 .type = FIO_OPT_STR_SET,
a609f12a 2128 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2129 .help = "Accept potential duplicate random blocks",
67a1000f 2130 .parent = "rw",
d71c154c 2131 .hide = 1,
b2452a43 2132 .hide_on_set = 1,
e8b0e958 2133 .category = FIO_OPT_C_IO,
3ceb458f 2134 .group = FIO_OPT_G_RANDOM,
214e1eca 2135 },
2b386d25
JA
2136 {
2137 .name = "softrandommap",
e8b0e958 2138 .lname = "Soft randommap",
2b386d25 2139 .type = FIO_OPT_BOOL,
a609f12a 2140 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2141 .help = "Set norandommap if randommap allocation fails",
2b386d25 2142 .parent = "norandommap",
d71c154c 2143 .hide = 1,
2b386d25 2144 .def = "0",
e8b0e958 2145 .category = FIO_OPT_C_IO,
3ceb458f 2146 .group = FIO_OPT_G_RANDOM,
2b386d25 2147 },
8055e41d
JA
2148 {
2149 .name = "random_generator",
cce2fdfe 2150 .lname = "Random Generator",
8055e41d 2151 .type = FIO_OPT_STR,
a609f12a 2152 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA
2153 .help = "Type of random number generator to use",
2154 .def = "tausworthe",
2155 .posval = {
2156 { .ival = "tausworthe",
2157 .oval = FIO_RAND_GEN_TAUSWORTHE,
2158 .help = "Strong Tausworthe generator",
2159 },
2160 { .ival = "lfsr",
2161 .oval = FIO_RAND_GEN_LFSR,
2162 .help = "Variable length LFSR",
2163 },
c3546b53
JA
2164 {
2165 .ival = "tausworthe64",
2166 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2167 .help = "64-bit Tausworthe variant",
2168 },
8055e41d 2169 },
48107598
JA
2170 .category = FIO_OPT_C_IO,
2171 .group = FIO_OPT_G_RANDOM,
8055e41d 2172 },
e25839d4
JA
2173 {
2174 .name = "random_distribution",
cce2fdfe 2175 .lname = "Random Distribution",
e25839d4 2176 .type = FIO_OPT_STR,
a609f12a 2177 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA
2178 .cb = str_random_distribution_cb,
2179 .help = "Random offset distribution generator",
2180 .def = "random",
2181 .posval = {
2182 { .ival = "random",
2183 .oval = FIO_RAND_DIST_RANDOM,
2184 .help = "Completely random",
2185 },
2186 { .ival = "zipf",
2187 .oval = FIO_RAND_DIST_ZIPF,
2188 .help = "Zipf distribution",
2189 },
925fee33
JA
2190 { .ival = "pareto",
2191 .oval = FIO_RAND_DIST_PARETO,
2192 .help = "Pareto distribution",
2193 },
56d9fa4b
JA
2194 { .ival = "normal",
2195 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2196 .help = "Normal (Gaussian) distribution",
56d9fa4b 2197 },
e0a04ac1
JA
2198 { .ival = "zoned",
2199 .oval = FIO_RAND_DIST_ZONED,
2200 .help = "Zoned random distribution",
2201 },
2202
e25839d4 2203 },
48107598
JA
2204 .category = FIO_OPT_C_IO,
2205 .group = FIO_OPT_G_RANDOM,
e25839d4 2206 },
211c9b89
JA
2207 {
2208 .name = "percentage_random",
2209 .lname = "Percentage Random",
2210 .type = FIO_OPT_INT,
a609f12a
JA
2211 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2212 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2213 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA
2214 .maxval = 100,
2215 .help = "Percentage of seq/random mix that should be random",
d9472271 2216 .def = "100,100,100",
211c9b89
JA
2217 .interval = 5,
2218 .inverse = "percentage_sequential",
2219 .category = FIO_OPT_C_IO,
2220 .group = FIO_OPT_G_RANDOM,
2221 },
2222 {
2223 .name = "percentage_sequential",
2224 .lname = "Percentage Sequential",
d9472271 2225 .type = FIO_OPT_DEPRECATED,
211c9b89
JA
2226 .category = FIO_OPT_C_IO,
2227 .group = FIO_OPT_G_RANDOM,
2228 },
56e2a5fc
CE
2229 {
2230 .name = "allrandrepeat",
cce2fdfe 2231 .lname = "All Random Repeat",
56e2a5fc 2232 .type = FIO_OPT_BOOL,
a609f12a 2233 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE
2234 .help = "Use repeatable random numbers for everything",
2235 .def = "0",
a869d9c6
JA
2236 .category = FIO_OPT_C_IO,
2237 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2238 },
214e1eca
JA
2239 {
2240 .name = "nrfiles",
e8b0e958 2241 .lname = "Number of files",
d7c8be03 2242 .alias = "nr_files",
214e1eca 2243 .type = FIO_OPT_INT,
a609f12a 2244 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA
2245 .help = "Split job workload between this number of files",
2246 .def = "1",
20eb06bd 2247 .interval = 1,
e8b0e958
JA
2248 .category = FIO_OPT_C_FILE,
2249 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2250 },
2251 {
2252 .name = "openfiles",
e8b0e958 2253 .lname = "Number of open files",
214e1eca 2254 .type = FIO_OPT_INT,
a609f12a 2255 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2256 .help = "Number of files to keep open at the same time",
e8b0e958
JA
2257 .category = FIO_OPT_C_FILE,
2258 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2259 },
2260 {
2261 .name = "file_service_type",
e8b0e958 2262 .lname = "File service type",
214e1eca
JA
2263 .type = FIO_OPT_STR,
2264 .cb = str_fst_cb,
a609f12a 2265 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA
2266 .help = "How to select which file to service next",
2267 .def = "roundrobin",
e8b0e958
JA
2268 .category = FIO_OPT_C_FILE,
2269 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2270 .posval = {
2271 { .ival = "random",
2272 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA
2273 .help = "Choose a file at random (uniform)",
2274 },
2275 { .ival = "zipf",
2276 .oval = FIO_FSERVICE_ZIPF,
2277 .help = "Zipf randomized",
2278 },
2279 { .ival = "pareto",
2280 .oval = FIO_FSERVICE_PARETO,
2281 .help = "Pareto randomized",
2282 },
dd3503d3
SW
2283 { .ival = "normal",
2284 .oval = FIO_FSERVICE_GAUSS,
2285 .help = "Normal (Gaussian) randomized",
2286 },
8c07860d
JA
2287 { .ival = "gauss",
2288 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2289 .help = "Alias for normal",
214e1eca
JA
2290 },
2291 { .ival = "roundrobin",
2292 .oval = FIO_FSERVICE_RR,
2293 .help = "Round robin select files",
2294 },
a086c257
JA
2295 { .ival = "sequential",
2296 .oval = FIO_FSERVICE_SEQ,
2297 .help = "Finish one file before moving to the next",
2298 },
214e1eca 2299 },
67a1000f 2300 .parent = "nrfiles",
d71c154c 2301 .hide = 1,
67a1000f 2302 },
cbbdf1c8 2303#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA
2304 {
2305 .name = "fallocate",
e8b0e958 2306 .lname = "Fallocate",
a596f047 2307 .type = FIO_OPT_STR,
a609f12a 2308 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2309 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2310 .def = "native",
e8b0e958
JA
2311 .category = FIO_OPT_C_FILE,
2312 .group = FIO_OPT_G_INVALID,
a596f047
EG
2313 .posval = {
2314 { .ival = "none",
2315 .oval = FIO_FALLOCATE_NONE,
2316 .help = "Do not pre-allocate space",
2317 },
2c3e17be
SW
2318 { .ival = "native",
2319 .oval = FIO_FALLOCATE_NATIVE,
2320 .help = "Use native pre-allocation if possible",
2321 },
2322#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG
2323 { .ival = "posix",
2324 .oval = FIO_FALLOCATE_POSIX,
2325 .help = "Use posix_fallocate()",
2326 },
2c3e17be 2327#endif
97ac992c 2328#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG
2329 { .ival = "keep",
2330 .oval = FIO_FALLOCATE_KEEP_SIZE,
2331 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2332 },
7bc8c2cf 2333#endif
a596f047
EG
2334 /* Compatibility with former boolean values */
2335 { .ival = "0",
2336 .oval = FIO_FALLOCATE_NONE,
2337 .help = "Alias for 'none'",
2338 },
2c3e17be 2339#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG
2340 { .ival = "1",
2341 .oval = FIO_FALLOCATE_POSIX,
2342 .help = "Alias for 'posix'",
2343 },
2c3e17be 2344#endif
a596f047
EG
2345 },
2346 },
cbbdf1c8 2347#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA
2348 {
2349 .name = "fallocate",
2350 .lname = "Fallocate",
2351 .type = FIO_OPT_UNSUPPORTED,
2352 .help = "Your platform does not support fallocate",
2353 },
cbbdf1c8 2354#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA
2355 {
2356 .name = "fadvise_hint",
e8b0e958 2357 .lname = "Fadvise hint",
ecb2083d 2358 .type = FIO_OPT_STR,
a609f12a 2359 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA
2360 .posval = {
2361 { .ival = "0",
2362 .oval = F_ADV_NONE,
2363 .help = "Don't issue fadvise",
2364 },
2365 { .ival = "1",
2366 .oval = F_ADV_TYPE,
2367 .help = "Advise using fio IO pattern",
2368 },
2369 { .ival = "random",
2370 .oval = F_ADV_RANDOM,
2371 .help = "Advise using FADV_RANDOM",
2372 },
2373 { .ival = "sequential",
2374 .oval = F_ADV_SEQUENTIAL,
2375 .help = "Advise using FADV_SEQUENTIAL",
2376 },
2377 },
67a1000f
JA
2378 .help = "Use fadvise() to advise the kernel on IO pattern",
2379 .def = "1",
e8b0e958
JA
2380 .category = FIO_OPT_C_FILE,
2381 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2382 },
2383 {
2384 .name = "fsync",
e8b0e958 2385 .lname = "Fsync",
214e1eca 2386 .type = FIO_OPT_INT,
a609f12a 2387 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA
2388 .help = "Issue fsync for writes every given number of blocks",
2389 .def = "0",
20eb06bd 2390 .interval = 1,
e8b0e958
JA
2391 .category = FIO_OPT_C_FILE,
2392 .group = FIO_OPT_G_INVALID,
214e1eca 2393 },
5f9099ea
JA
2394 {
2395 .name = "fdatasync",
e8b0e958 2396 .lname = "Fdatasync",
5f9099ea 2397 .type = FIO_OPT_INT,
a609f12a 2398 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA
2399 .help = "Issue fdatasync for writes every given number of blocks",
2400 .def = "0",
20eb06bd 2401 .interval = 1,
e8b0e958
JA
2402 .category = FIO_OPT_C_FILE,
2403 .group = FIO_OPT_G_INVALID,
5f9099ea 2404 },
1ef2b6be
JA
2405 {
2406 .name = "write_barrier",
e8b0e958 2407 .lname = "Write barrier",
1ef2b6be 2408 .type = FIO_OPT_INT,
a609f12a 2409 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA
2410 .help = "Make every Nth write a barrier write",
2411 .def = "0",
20eb06bd 2412 .interval = 1,
e8b0e958
JA
2413 .category = FIO_OPT_C_IO,
2414 .group = FIO_OPT_G_INVALID,
1ef2b6be 2415 },
67bf9823 2416#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
2417 {
2418 .name = "sync_file_range",
e8b0e958 2419 .lname = "Sync file range",
44f29692
JA
2420 .posval = {
2421 { .ival = "wait_before",
2422 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2423 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2424 .orval = 1,
44f29692
JA
2425 },
2426 { .ival = "write",
2427 .oval = SYNC_FILE_RANGE_WRITE,
2428 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2429 .orval = 1,
44f29692
JA
2430 },
2431 {
2432 .ival = "wait_after",
2433 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2434 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2435 .orval = 1,
44f29692
JA
2436 },
2437 },
3843deb3 2438 .type = FIO_OPT_STR_MULTI,
44f29692 2439 .cb = str_sfr_cb,
a609f12a 2440 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2441 .help = "Use sync_file_range()",
e8b0e958
JA
2442 .category = FIO_OPT_C_FILE,
2443 .group = FIO_OPT_G_INVALID,
44f29692 2444 },
a275c37a 2445#else
54d0a315 2446 {
a275c37a
JA
2447 .name = "sync_file_range",
2448 .lname = "Sync file range",
2449 .type = FIO_OPT_UNSUPPORTED,
2450 .help = "Your platform does not support sync_file_range",
2451 },
44f29692 2452#endif
214e1eca
JA
2453 {
2454 .name = "direct",
e8b0e958 2455 .lname = "Direct I/O",
214e1eca 2456 .type = FIO_OPT_BOOL,
a609f12a 2457 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA
2458 .help = "Use O_DIRECT IO (negates buffered)",
2459 .def = "0",
a01a1bc5 2460 .inverse = "buffered",
e8b0e958 2461 .category = FIO_OPT_C_IO,
3ceb458f 2462 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2463 },
d01612f3
CM
2464 {
2465 .name = "atomic",
2466 .lname = "Atomic I/O",
2467 .type = FIO_OPT_BOOL,
a609f12a 2468 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM
2469 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2470 .def = "0",
2471 .category = FIO_OPT_C_IO,
2472 .group = FIO_OPT_G_IO_TYPE,
2473 },
214e1eca
JA
2474 {
2475 .name = "buffered",
e8b0e958 2476 .lname = "Buffered I/O",
214e1eca 2477 .type = FIO_OPT_BOOL,
a609f12a 2478 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA
2479 .neg = 1,
2480 .help = "Use buffered IO (negates direct)",
2481 .def = "1",
a01a1bc5 2482 .inverse = "direct",
e8b0e958 2483 .category = FIO_OPT_C_IO,
3ceb458f 2484 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
2485 },
2486 {
2487 .name = "overwrite",
e8b0e958 2488 .lname = "Overwrite",
214e1eca 2489 .type = FIO_OPT_BOOL,
a609f12a 2490 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA
2491 .help = "When writing, set whether to overwrite current data",
2492 .def = "0",
e8b0e958
JA
2493 .category = FIO_OPT_C_FILE,
2494 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2495 },
2496 {
2497 .name = "loops",
e8b0e958 2498 .lname = "Loops",
214e1eca 2499 .type = FIO_OPT_INT,
a609f12a 2500 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA
2501 .help = "Number of times to run the job",
2502 .def = "1",
20eb06bd 2503 .interval = 1,
e8b0e958 2504 .category = FIO_OPT_C_GENERAL,
a1f6afec 2505 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2506 },
2507 {
2508 .name = "numjobs",
e8b0e958 2509 .lname = "Number of jobs",
214e1eca 2510 .type = FIO_OPT_INT,
a609f12a 2511 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA
2512 .help = "Duplicate this job this many times",
2513 .def = "1",
20eb06bd 2514 .interval = 1,
e8b0e958 2515 .category = FIO_OPT_C_GENERAL,
a1f6afec 2516 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2517 },
2518 {
2519 .name = "startdelay",
e8b0e958 2520 .lname = "Start delay",
a5737c93 2521 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA
2522 .off1 = offsetof(struct thread_options, start_delay),
2523 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA
2524 .help = "Only start job when this period has passed",
2525 .def = "0",
0de5b26f 2526 .is_seconds = 1,
88038bc7 2527 .is_time = 1,
e8b0e958 2528 .category = FIO_OPT_C_GENERAL,
a1f6afec 2529 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2530 },
2531 {
2532 .name = "runtime",
e8b0e958 2533 .lname = "Runtime",
214e1eca
JA
2534 .alias = "timeout",
2535 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2536 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA
2537 .help = "Stop workload when this amount of time has passed",
2538 .def = "0",
0de5b26f 2539 .is_seconds = 1,
88038bc7 2540 .is_time = 1,
e8b0e958 2541 .category = FIO_OPT_C_GENERAL,
a1f6afec 2542 .group = FIO_OPT_G_RUNTIME,
214e1eca 2543 },
cf4464ca
JA
2544 {
2545 .name = "time_based",
e8b0e958 2546 .lname = "Time based",
cf4464ca 2547 .type = FIO_OPT_STR_SET,
a609f12a 2548 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2549 .help = "Keep running until runtime/timeout is met",
e8b0e958 2550 .category = FIO_OPT_C_GENERAL,
a1f6afec 2551 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2552 },
62167762
JC
2553 {
2554 .name = "verify_only",
2555 .lname = "Verify only",
2556 .type = FIO_OPT_STR_SET,
a609f12a 2557 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC
2558 .help = "Verifies previously written data is still valid",
2559 .category = FIO_OPT_C_GENERAL,
2560 .group = FIO_OPT_G_RUNTIME,
2561 },
721938ae
JA
2562 {
2563 .name = "ramp_time",
e8b0e958 2564 .lname = "Ramp time",
721938ae 2565 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2566 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2567 .help = "Ramp up time before measuring performance",
0de5b26f 2568 .is_seconds = 1,
88038bc7 2569 .is_time = 1,
e8b0e958 2570 .category = FIO_OPT_C_GENERAL,
a1f6afec 2571 .group = FIO_OPT_G_RUNTIME,
721938ae 2572 },
c223da83
JA
2573 {
2574 .name = "clocksource",
e8b0e958 2575 .lname = "Clock source",
c223da83
JA
2576 .type = FIO_OPT_STR,
2577 .cb = fio_clock_source_cb,
a609f12a 2578 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2579 .help = "What type of timing source to use",
e8b0e958 2580 .category = FIO_OPT_C_GENERAL,
10860056 2581 .group = FIO_OPT_G_CLOCK,
c223da83 2582 .posval = {
67bf9823 2583#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA
2584 { .ival = "gettimeofday",
2585 .oval = CS_GTOD,
2586 .help = "Use gettimeofday(2) for timing",
2587 },
67bf9823
JA
2588#endif
2589#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA
2590 { .ival = "clock_gettime",
2591 .oval = CS_CGETTIME,
2592 .help = "Use clock_gettime(2) for timing",
2593 },
67bf9823 2594#endif
c223da83
JA
2595#ifdef ARCH_HAVE_CPU_CLOCK
2596 { .ival = "cpu",
2597 .oval = CS_CPUCLOCK,
2598 .help = "Use CPU private clock",
2599 },
2600#endif
2601 },
2602 },
214e1eca
JA
2603 {
2604 .name = "mem",
d3aad8f2 2605 .alias = "iomem",
e8b0e958 2606 .lname = "I/O Memory",
214e1eca
JA
2607 .type = FIO_OPT_STR,
2608 .cb = str_mem_cb,
a609f12a 2609 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA
2610 .help = "Backing type for IO buffers",
2611 .def = "malloc",
e8b0e958
JA
2612 .category = FIO_OPT_C_IO,
2613 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2614 .posval = {
2615 { .ival = "malloc",
2616 .oval = MEM_MALLOC,
2617 .help = "Use malloc(3) for IO buffers",
2618 },
c8931876 2619#ifndef CONFIG_NO_SHM
37c8cdfe
JA
2620 { .ival = "shm",
2621 .oval = MEM_SHM,
2622 .help = "Use shared memory segments for IO buffers",
2623 },
214e1eca
JA
2624#ifdef FIO_HAVE_HUGETLB
2625 { .ival = "shmhuge",
2626 .oval = MEM_SHMHUGE,
2627 .help = "Like shm, but use huge pages",
2628 },
c8931876 2629#endif
b370e46a 2630#endif
37c8cdfe
JA
2631 { .ival = "mmap",
2632 .oval = MEM_MMAP,
2633 .help = "Use mmap(2) (file or anon) for IO buffers",
2634 },
217b0f1d
LG
2635 { .ival = "mmapshared",
2636 .oval = MEM_MMAPSHARED,
2637 .help = "Like mmap, but use the shared flag",
2638 },
214e1eca
JA
2639#ifdef FIO_HAVE_HUGETLB
2640 { .ival = "mmaphuge",
2641 .oval = MEM_MMAPHUGE,
2642 .help = "Like mmap, but use huge pages",
2643 },
03553853
YR
2644#endif
2645#ifdef CONFIG_CUDA
2646 { .ival = "cudamalloc",
2647 .oval = MEM_CUDA_MALLOC,
2648 .help = "Allocate GPU device memory for GPUDirect RDMA",
2649 },
214e1eca
JA
2650#endif
2651 },
2652 },
d529ee19
JA
2653 {
2654 .name = "iomem_align",
2655 .alias = "mem_align",
e8b0e958 2656 .lname = "I/O memory alignment",
d529ee19 2657 .type = FIO_OPT_INT,
a609f12a 2658 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA
2659 .minval = 0,
2660 .help = "IO memory buffer offset alignment",
2661 .def = "0",
2662 .parent = "iomem",
d71c154c 2663 .hide = 1,
e8b0e958
JA
2664 .category = FIO_OPT_C_IO,
2665 .group = FIO_OPT_G_INVALID,
d529ee19 2666 },
214e1eca
JA
2667 {
2668 .name = "verify",
e8b0e958 2669 .lname = "Verify",
214e1eca 2670 .type = FIO_OPT_STR,
a609f12a 2671 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA
2672 .help = "Verify data written",
2673 .def = "0",
e8b0e958 2674 .category = FIO_OPT_C_IO,
3ceb458f 2675 .group = FIO_OPT_G_VERIFY,
214e1eca
JA
2676 .posval = {
2677 { .ival = "0",
2678 .oval = VERIFY_NONE,
2679 .help = "Don't do IO verification",
2680 },
fcca4b58
JA
2681 { .ival = "md5",
2682 .oval = VERIFY_MD5,
2683 .help = "Use md5 checksums for verification",
2684 },
d77a7af3
JA
2685 { .ival = "crc64",
2686 .oval = VERIFY_CRC64,
2687 .help = "Use crc64 checksums for verification",
2688 },
214e1eca
JA
2689 { .ival = "crc32",
2690 .oval = VERIFY_CRC32,
2691 .help = "Use crc32 checksums for verification",
2692 },
af497e6a 2693 { .ival = "crc32c-intel",
e3aaafc4
JA
2694 .oval = VERIFY_CRC32C,
2695 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2696 },
bac39e0e
JA
2697 { .ival = "crc32c",
2698 .oval = VERIFY_CRC32C,
e3aaafc4 2699 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2700 },
969f7ed3
JA
2701 { .ival = "crc16",
2702 .oval = VERIFY_CRC16,
2703 .help = "Use crc16 checksums for verification",
2704 },
1e154bdb
JA
2705 { .ival = "crc7",
2706 .oval = VERIFY_CRC7,
2707 .help = "Use crc7 checksums for verification",
2708 },
7c353ceb
JA
2709 { .ival = "sha1",
2710 .oval = VERIFY_SHA1,
2711 .help = "Use sha1 checksums for verification",
2712 },
cd14cc10
JA
2713 { .ival = "sha256",
2714 .oval = VERIFY_SHA256,
2715 .help = "Use sha256 checksums for verification",
2716 },
2717 { .ival = "sha512",
2718 .oval = VERIFY_SHA512,
2719 .help = "Use sha512 checksums for verification",
ae3a5acc
JA
2720 },
2721 { .ival = "sha3-224",
2722 .oval = VERIFY_SHA3_224,
2723 .help = "Use sha3-224 checksums for verification",
2724 },
2725 { .ival = "sha3-256",
2726 .oval = VERIFY_SHA3_256,
2727 .help = "Use sha3-256 checksums for verification",
2728 },
2729 { .ival = "sha3-384",
2730 .oval = VERIFY_SHA3_384,
2731 .help = "Use sha3-384 checksums for verification",
2732 },
2733 { .ival = "sha3-512",
2734 .oval = VERIFY_SHA3_512,
2735 .help = "Use sha3-512 checksums for verification",
cd14cc10 2736 },
844ea602
JA
2737 { .ival = "xxhash",
2738 .oval = VERIFY_XXHASH,
2739 .help = "Use xxhash checksums for verification",
2740 },
b638d82f
RP
2741 /* Meta information was included into verify_header,
2742 * 'meta' verification is implied by default. */
7437ee87 2743 { .ival = "meta",
b638d82f
RP
2744 .oval = VERIFY_HDR_ONLY,
2745 .help = "Use io information for verification. "
2746 "Now is implied by default, thus option is obsolete, "
2747 "don't use it",
7437ee87 2748 },
59245381
JA
2749 { .ival = "pattern",
2750 .oval = VERIFY_PATTERN_NO_HDR,
2751 .help = "Verify strict pattern",
2752 },
36690c9b
JA
2753 {
2754 .ival = "null",
2755 .oval = VERIFY_NULL,
2756 .help = "Pretend to verify",
2757 },
214e1eca
JA
2758 },
2759 },
005c565a
JA
2760 {
2761 .name = "do_verify",
e8b0e958 2762 .lname = "Perform verify step",
68e1f29a 2763 .type = FIO_OPT_BOOL,
a609f12a 2764 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA
2765 .help = "Run verification stage after write",
2766 .def = "1",
2767 .parent = "verify",
d71c154c 2768 .hide = 1,
e8b0e958
JA
2769 .category = FIO_OPT_C_IO,
2770 .group = FIO_OPT_G_VERIFY,
005c565a 2771 },
160b966d
JA
2772 {
2773 .name = "verifysort",
e8b0e958 2774 .lname = "Verify sort",
160b966d 2775 .type = FIO_OPT_BOOL,
a609f12a 2776 .off1 = offsetof(struct thread_options, verifysort),
160b966d
JA
2777 .help = "Sort written verify blocks for read back",
2778 .def = "1",
c83f2df1 2779 .parent = "verify",
d71c154c 2780 .hide = 1,
e8b0e958
JA
2781 .category = FIO_OPT_C_IO,
2782 .group = FIO_OPT_G_VERIFY,
160b966d 2783 },
1ae83d45
JA
2784 {
2785 .name = "verifysort_nr",
cce2fdfe 2786 .lname = "Verify Sort Nr",
1ae83d45 2787 .type = FIO_OPT_INT,
a609f12a 2788 .off1 = offsetof(struct thread_options, verifysort_nr),
1ae83d45
JA
2789 .help = "Pre-load and sort verify blocks for a read workload",
2790 .minval = 0,
2791 .maxval = 131072,
2792 .def = "1024",
2793 .parent = "verify",
836fcc0f
JA
2794 .category = FIO_OPT_C_IO,
2795 .group = FIO_OPT_G_VERIFY,
1ae83d45 2796 },
3f9f4e26 2797 {
a59e170d 2798 .name = "verify_interval",
e8b0e958 2799 .lname = "Verify interval",
e01b22b8 2800 .type = FIO_OPT_INT,
a609f12a 2801 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2802 .minval = 2 * sizeof(struct verify_header),
a59e170d 2803 .help = "Store verify buffer header every N bytes",
afdf9352 2804 .parent = "verify",
d71c154c 2805 .hide = 1,
20eb06bd 2806 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA
2807 .category = FIO_OPT_C_IO,
2808 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2809 },
546a9142 2810 {
a59e170d 2811 .name = "verify_offset",
e8b0e958 2812 .lname = "Verify offset",
e01b22b8 2813 .type = FIO_OPT_INT,
a59e170d 2814 .help = "Offset verify header location by N bytes",
a609f12a 2815 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2816 .minval = sizeof(struct verify_header),
afdf9352 2817 .parent = "verify",
d71c154c 2818 .hide = 1,
e8b0e958
JA
2819 .category = FIO_OPT_C_IO,
2820 .group = FIO_OPT_G_VERIFY,
546a9142 2821 },
e28218f3
SL
2822 {
2823 .name = "verify_pattern",
e8b0e958 2824 .lname = "Verify pattern",
0e92f873 2825 .type = FIO_OPT_STR,
e28218f3 2826 .cb = str_verify_pattern_cb,
a609f12a 2827 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL
2828 .help = "Fill pattern for IO buffers",
2829 .parent = "verify",
d71c154c 2830 .hide = 1,
e8b0e958
JA
2831 .category = FIO_OPT_C_IO,
2832 .group = FIO_OPT_G_VERIFY,
e28218f3 2833 },
a12a3b4d
JA
2834 {
2835 .name = "verify_fatal",
e8b0e958 2836 .lname = "Verify fatal",
68e1f29a 2837 .type = FIO_OPT_BOOL,
a609f12a 2838 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA
2839 .def = "0",
2840 .help = "Exit on a single verify failure, don't continue",
2841 .parent = "verify",
d71c154c 2842 .hide = 1,
e8b0e958
JA
2843 .category = FIO_OPT_C_IO,
2844 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2845 },
b463e936
JA
2846 {
2847 .name = "verify_dump",
e8b0e958 2848 .lname = "Verify dump",
b463e936 2849 .type = FIO_OPT_BOOL,
a609f12a 2850 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2851 .def = "0",
b463e936
JA
2852 .help = "Dump contents of good and bad blocks on failure",
2853 .parent = "verify",
d71c154c 2854 .hide = 1,
e8b0e958
JA
2855 .category = FIO_OPT_C_IO,
2856 .group = FIO_OPT_G_VERIFY,
b463e936 2857 },
e8462bd8
JA
2858 {
2859 .name = "verify_async",
e8b0e958 2860 .lname = "Verify asynchronously",
e8462bd8 2861 .type = FIO_OPT_INT,
a609f12a 2862 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA
2863 .def = "0",
2864 .help = "Number of async verifier threads to use",
2865 .parent = "verify",
d71c154c 2866 .hide = 1,
e8b0e958
JA
2867 .category = FIO_OPT_C_IO,
2868 .group = FIO_OPT_G_VERIFY,
e8462bd8 2869 },
9e144189
JA
2870 {
2871 .name = "verify_backlog",
e8b0e958 2872 .lname = "Verify backlog",
9e144189 2873 .type = FIO_OPT_STR_VAL,
a609f12a 2874 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA
2875 .help = "Verify after this number of blocks are written",
2876 .parent = "verify",
d71c154c 2877 .hide = 1,
e8b0e958
JA
2878 .category = FIO_OPT_C_IO,
2879 .group = FIO_OPT_G_VERIFY,
9e144189
JA
2880 },
2881 {
2882 .name = "verify_backlog_batch",
e8b0e958 2883 .lname = "Verify backlog batch",
9e144189 2884 .type = FIO_OPT_INT,
a609f12a 2885 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2886 .help = "Verify this number of IO blocks",
0d29de83 2887 .parent = "verify",
d71c154c 2888 .hide = 1,
e8b0e958
JA
2889 .category = FIO_OPT_C_IO,
2890 .group = FIO_OPT_G_VERIFY,
9e144189 2891 },
e8462bd8
JA
2892#ifdef FIO_HAVE_CPU_AFFINITY
2893 {
2894 .name = "verify_async_cpus",
e8b0e958 2895 .lname = "Async verify CPUs",
e8462bd8
JA
2896 .type = FIO_OPT_STR,
2897 .cb = str_verify_cpus_allowed_cb,
a609f12a 2898 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA
2899 .help = "Set CPUs allowed for async verify threads",
2900 .parent = "verify_async",
d71c154c 2901 .hide = 1,
e8b0e958
JA
2902 .category = FIO_OPT_C_IO,
2903 .group = FIO_OPT_G_VERIFY,
e8462bd8 2904 },
a275c37a
JA
2905#else
2906 {
2907 .name = "verify_async_cpus",
2908 .lname = "Async verify CPUs",
2909 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2910 .help = "Your platform does not support CPU affinities",
a275c37a 2911 },
0d29de83 2912#endif
51aa2da8
JA
2913 {
2914 .name = "experimental_verify",
cce2fdfe 2915 .lname = "Experimental Verify",
a609f12a 2916 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2917 .type = FIO_OPT_BOOL,
b31eaac9 2918 .help = "Enable experimental verification",
ca09be4b
JA
2919 .parent = "verify",
2920 .category = FIO_OPT_C_IO,
2921 .group = FIO_OPT_G_VERIFY,
2922 },
2923 {
2924 .name = "verify_state_load",
2925 .lname = "Load verify state",
a609f12a 2926 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA
2927 .type = FIO_OPT_BOOL,
2928 .help = "Load verify termination state",
2929 .parent = "verify",
2930 .category = FIO_OPT_C_IO,
2931 .group = FIO_OPT_G_VERIFY,
2932 },
2933 {
2934 .name = "verify_state_save",
2935 .lname = "Save verify state",
a609f12a 2936 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA
2937 .type = FIO_OPT_BOOL,
2938 .def = "1",
2939 .help = "Save verify state on termination",
2940 .parent = "verify",
836fcc0f
JA
2941 .category = FIO_OPT_C_IO,
2942 .group = FIO_OPT_G_VERIFY,
51aa2da8 2943 },
0d29de83
JA
2944#ifdef FIO_HAVE_TRIM
2945 {
2946 .name = "trim_percentage",
e8b0e958 2947 .lname = "Trim percentage",
0d29de83 2948 .type = FIO_OPT_INT,
a609f12a 2949 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 2950 .minval = 0,
0d29de83 2951 .maxval = 100,
169c098d 2952 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA
2953 .parent = "verify",
2954 .def = "0",
20eb06bd 2955 .interval = 1,
d71c154c 2956 .hide = 1,
e8b0e958
JA
2957 .category = FIO_OPT_C_IO,
2958 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2959 },
2960 {
2961 .name = "trim_verify_zero",
e8b0e958 2962 .lname = "Verify trim zero",
20eb06bd 2963 .type = FIO_OPT_BOOL,
169c098d 2964 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 2965 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 2966 .parent = "trim_percentage",
d71c154c 2967 .hide = 1,
0d29de83 2968 .def = "1",
e8b0e958
JA
2969 .category = FIO_OPT_C_IO,
2970 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2971 },
2972 {
2973 .name = "trim_backlog",
e8b0e958 2974 .lname = "Trim backlog",
0d29de83 2975 .type = FIO_OPT_STR_VAL,
a609f12a 2976 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA
2977 .help = "Trim after this number of blocks are written",
2978 .parent = "trim_percentage",
d71c154c 2979 .hide = 1,
20eb06bd 2980 .interval = 1,
e8b0e958
JA
2981 .category = FIO_OPT_C_IO,
2982 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2983 },
2984 {
2985 .name = "trim_backlog_batch",
e8b0e958 2986 .lname = "Trim backlog batch",
0d29de83 2987 .type = FIO_OPT_INT,
a609f12a 2988 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA
2989 .help = "Trim this number of IO blocks",
2990 .parent = "trim_percentage",
d71c154c 2991 .hide = 1,
20eb06bd 2992 .interval = 1,
e8b0e958
JA
2993 .category = FIO_OPT_C_IO,
2994 .group = FIO_OPT_G_TRIM,
0d29de83 2995 },
a275c37a
JA
2996#else
2997 {
2998 .name = "trim_percentage",
2999 .lname = "Trim percentage",
3000 .type = FIO_OPT_UNSUPPORTED,
3001 .help = "Fio does not support TRIM on your platform",
3002 },
3003 {
3004 .name = "trim_verify_zero",
3005 .lname = "Verify trim zero",
3006 .type = FIO_OPT_UNSUPPORTED,
3007 .help = "Fio does not support TRIM on your platform",
3008 },
3009 {
3010 .name = "trim_backlog",
3011 .lname = "Trim backlog",
3012 .type = FIO_OPT_UNSUPPORTED,
3013 .help = "Fio does not support TRIM on your platform",
3014 },
3015 {
3016 .name = "trim_backlog_batch",
3017 .lname = "Trim backlog batch",
3018 .type = FIO_OPT_UNSUPPORTED,
3019 .help = "Fio does not support TRIM on your platform",
3020 },
e8462bd8 3021#endif
214e1eca
JA
3022 {
3023 .name = "write_iolog",
e8b0e958 3024 .lname = "Write I/O log",
214e1eca 3025 .type = FIO_OPT_STR_STORE,
a609f12a 3026 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3027 .help = "Store IO pattern to file",
e8b0e958
JA
3028 .category = FIO_OPT_C_IO,
3029 .group = FIO_OPT_G_IOLOG,
214e1eca
JA
3030 },
3031 {
3032 .name = "read_iolog",
e8b0e958 3033 .lname = "Read I/O log",
214e1eca 3034 .type = FIO_OPT_STR_STORE,
a609f12a 3035 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3036 .help = "Playback IO pattern from file",
e8b0e958
JA
3037 .category = FIO_OPT_C_IO,
3038 .group = FIO_OPT_G_IOLOG,
214e1eca 3039 },
64bbb865
DN
3040 {
3041 .name = "replay_no_stall",
e8b0e958 3042 .lname = "Don't stall on replay",
20eb06bd 3043 .type = FIO_OPT_BOOL,
a609f12a 3044 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3045 .def = "0",
87e7a972 3046 .parent = "read_iolog",
d71c154c 3047 .hide = 1,
64bbb865 3048 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA
3049 .category = FIO_OPT_C_IO,
3050 .group = FIO_OPT_G_IOLOG,
64bbb865 3051 },
d1c46c04
DN
3052 {
3053 .name = "replay_redirect",
e8b0e958 3054 .lname = "Redirect device for replay",
d1c46c04 3055 .type = FIO_OPT_STR_STORE,
a609f12a 3056 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3057 .parent = "read_iolog",
d71c154c 3058 .hide = 1,
d1c46c04 3059 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA
3060 .category = FIO_OPT_C_IO,
3061 .group = FIO_OPT_G_IOLOG,
d1c46c04 3062 },
0c63576e
JA
3063 {
3064 .name = "replay_scale",
3065 .lname = "Replace offset scale factor",
3066 .type = FIO_OPT_INT,
a609f12a 3067 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA
3068 .parent = "read_iolog",
3069 .def = "1",
3070 .help = "Align offsets to this blocksize",
3071 .category = FIO_OPT_C_IO,
3072 .group = FIO_OPT_G_IOLOG,
3073 },
3074 {
3075 .name = "replay_align",
3076 .lname = "Replace alignment",
3077 .type = FIO_OPT_INT,
a609f12a 3078 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA
3079 .parent = "read_iolog",
3080 .help = "Scale offset down by this factor",
3081 .category = FIO_OPT_C_IO,
3082 .group = FIO_OPT_G_IOLOG,
3083 .pow2 = 1,
3084 },
214e1eca
JA
3085 {
3086 .name = "exec_prerun",
e8b0e958 3087 .lname = "Pre-execute runnable",
214e1eca 3088 .type = FIO_OPT_STR_STORE,
a609f12a 3089 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3090 .help = "Execute this file prior to running job",
e8b0e958
JA
3091 .category = FIO_OPT_C_GENERAL,
3092 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3093 },
3094 {
3095 .name = "exec_postrun",
e8b0e958 3096 .lname = "Post-execute runnable",
214e1eca 3097 .type = FIO_OPT_STR_STORE,
a609f12a 3098 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3099 .help = "Execute this file after running job",
e8b0e958
JA
3100 .category = FIO_OPT_C_GENERAL,
3101 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3102 },
3103#ifdef FIO_HAVE_IOSCHED_SWITCH
3104 {
3105 .name = "ioscheduler",
e8b0e958 3106 .lname = "I/O scheduler",
214e1eca 3107 .type = FIO_OPT_STR_STORE,
a609f12a 3108 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3109 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA
3110 .category = FIO_OPT_C_FILE,
3111 .group = FIO_OPT_G_INVALID,
214e1eca 3112 },
a275c37a
JA
3113#else
3114 {
3115 .name = "ioscheduler",
3116 .lname = "I/O scheduler",
3117 .type = FIO_OPT_UNSUPPORTED,
3118 .help = "Your platform does not support IO scheduler switching",
3119 },
214e1eca
JA
3120#endif
3121 {
3122 .name = "zonesize",
e8b0e958 3123 .lname = "Zone size",
214e1eca 3124 .type = FIO_OPT_STR_VAL,
a609f12a 3125 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN
3126 .help = "Amount of data to read per zone",
3127 .def = "0",
20eb06bd 3128 .interval = 1024 * 1024,
e8b0e958
JA
3129 .category = FIO_OPT_C_IO,
3130 .group = FIO_OPT_G_ZONE,
ed335855
SN
3131 },
3132 {
3133 .name = "zonerange",
e8b0e958 3134 .lname = "Zone range",
ed335855 3135 .type = FIO_OPT_STR_VAL,
a609f12a 3136 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA
3137 .help = "Give size of an IO zone",
3138 .def = "0",
20eb06bd 3139 .interval = 1024 * 1024,
e8b0e958
JA
3140 .category = FIO_OPT_C_IO,
3141 .group = FIO_OPT_G_ZONE,
214e1eca
JA
3142 },
3143 {
3144 .name = "zoneskip",
e8b0e958 3145 .lname = "Zone skip",
214e1eca 3146 .type = FIO_OPT_STR_VAL,
a609f12a 3147 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA
3148 .help = "Space between IO zones",
3149 .def = "0",
20eb06bd 3150 .interval = 1024 * 1024,
e8b0e958
JA
3151 .category = FIO_OPT_C_IO,
3152 .group = FIO_OPT_G_ZONE,
214e1eca
JA
3153 },
3154 {
3155 .name = "lockmem",
e8b0e958 3156 .lname = "Lock memory",
214e1eca 3157 .type = FIO_OPT_STR_VAL,
a609f12a 3158 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3159 .help = "Lock down this amount of memory (per worker)",
214e1eca 3160 .def = "0",
20eb06bd 3161 .interval = 1024 * 1024,
e8b0e958
JA
3162 .category = FIO_OPT_C_GENERAL,
3163 .group = FIO_OPT_G_INVALID,
214e1eca 3164 },
214e1eca
JA
3165 {
3166 .name = "rwmixread",
e8b0e958 3167 .lname = "Read/write mix read",
214e1eca 3168 .type = FIO_OPT_INT,
cb499fc4 3169 .cb = str_rwmix_read_cb,
a609f12a 3170 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA
3171 .maxval = 100,
3172 .help = "Percentage of mixed workload that is reads",
3173 .def = "50",
20eb06bd 3174 .interval = 5,
90265353 3175 .inverse = "rwmixwrite",
e8b0e958
JA
3176 .category = FIO_OPT_C_IO,
3177 .group = FIO_OPT_G_RWMIX,
214e1eca
JA
3178 },
3179 {
3180 .name = "rwmixwrite",
e8b0e958 3181 .lname = "Read/write mix write",
214e1eca 3182 .type = FIO_OPT_INT,
cb499fc4 3183 .cb = str_rwmix_write_cb,
a609f12a 3184 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA
3185 .maxval = 100,
3186 .help = "Percentage of mixed workload that is writes",
3187 .def = "50",
20eb06bd 3188 .interval = 5,
90265353 3189 .inverse = "rwmixread",
e8b0e958
JA
3190 .category = FIO_OPT_C_IO,
3191 .group = FIO_OPT_G_RWMIX,
214e1eca 3192 },
afdf9352
JA
3193 {
3194 .name = "rwmixcycle",
e8b0e958 3195 .lname = "Read/write mix cycle",
15ca150e 3196 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA
3197 .category = FIO_OPT_C_IO,
3198 .group = FIO_OPT_G_RWMIX,
afdf9352 3199 },
214e1eca
JA
3200 {
3201 .name = "nice",
e8b0e958 3202 .lname = "Nice",
214e1eca 3203 .type = FIO_OPT_INT,
a609f12a 3204 .off1 = offsetof(struct thread_options, nice),
214e1eca
JA
3205 .help = "Set job CPU nice value",
3206 .minval = -19,
3207 .maxval = 20,
3208 .def = "0",
20eb06bd 3209 .interval = 1,
e8b0e958 3210 .category = FIO_OPT_C_GENERAL,
10860056 3211 .group = FIO_OPT_G_CRED,
214e1eca
JA
3212 },
3213#ifdef FIO_HAVE_IOPRIO
3214 {
3215 .name = "prio",
e8b0e958 3216 .lname = "I/O nice priority",
214e1eca 3217 .type = FIO_OPT_INT,
a609f12a 3218 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3219 .help = "Set job IO priority value",
1767bd34
TK
3220 .minval = IOPRIO_MIN_PRIO,
3221 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3222 .interval = 1,
e8b0e958 3223 .category = FIO_OPT_C_GENERAL,
10860056 3224 .group = FIO_OPT_G_CRED,
214e1eca 3225 },
32ef447a
TK
3226#else
3227 {
3228 .name = "prio",
3229 .lname = "I/O nice priority",
3230 .type = FIO_OPT_UNSUPPORTED,
3231 .help = "Your platform does not support IO priorities",
3232 },
3233#endif
3234#ifdef FIO_HAVE_IOPRIO_CLASS
3235#ifndef FIO_HAVE_IOPRIO
3236#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3237#endif
214e1eca
JA
3238 {
3239 .name = "prioclass",
e8b0e958 3240 .lname = "I/O nice priority class",
214e1eca 3241 .type = FIO_OPT_INT,
a609f12a 3242 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3243 .help = "Set job IO priority class",
1767bd34
TK
3244 .minval = IOPRIO_MIN_PRIO_CLASS,
3245 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3246 .interval = 1,
e8b0e958 3247 .category = FIO_OPT_C_GENERAL,
10860056 3248 .group = FIO_OPT_G_CRED,
214e1eca 3249 },
a275c37a 3250#else
a275c37a
JA
3251 {
3252 .name = "prioclass",
3253 .lname = "I/O nice priority class",
3254 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3255 .help = "Your platform does not support IO priority classes",
a275c37a 3256 },
214e1eca
JA
3257#endif
3258 {
3259 .name = "thinktime",
e8b0e958 3260 .lname = "Thinktime",
214e1eca 3261 .type = FIO_OPT_INT,
a609f12a 3262 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA
3263 .help = "Idle time between IO buffers (usec)",
3264 .def = "0",
88038bc7 3265 .is_time = 1,
e8b0e958 3266 .category = FIO_OPT_C_IO,
3ceb458f 3267 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
3268 },
3269 {
3270 .name = "thinktime_spin",
e8b0e958 3271 .lname = "Thinktime spin",
214e1eca 3272 .type = FIO_OPT_INT,
a609f12a 3273 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA
3274 .help = "Start think time by spinning this amount (usec)",
3275 .def = "0",
88038bc7 3276 .is_time = 1,
afdf9352 3277 .parent = "thinktime",
d71c154c 3278 .hide = 1,
e8b0e958 3279 .category = FIO_OPT_C_IO,
3ceb458f 3280 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
3281 },
3282 {
3283 .name = "thinktime_blocks",
e8b0e958 3284 .lname = "Thinktime blocks",
214e1eca 3285 .type = FIO_OPT_INT,
a609f12a 3286 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA
3287 .help = "IO buffer period between 'thinktime'",
3288 .def = "1",
afdf9352 3289 .parent = "thinktime",
d71c154c 3290 .hide = 1,
e8b0e958 3291 .category = FIO_OPT_C_IO,
3ceb458f 3292 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
3293 },
3294 {
3295 .name = "rate",
e8b0e958 3296 .lname = "I/O rate",
e01b22b8 3297 .type = FIO_OPT_INT,
a609f12a
JA
3298 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3299 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3300 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3301 .help = "Set bandwidth rate",
e8b0e958
JA
3302 .category = FIO_OPT_C_IO,
3303 .group = FIO_OPT_G_RATE,
214e1eca
JA
3304 },
3305 {
6d428bcd
JA
3306 .name = "rate_min",
3307 .alias = "ratemin",
e8b0e958 3308 .lname = "I/O min rate",
e01b22b8 3309 .type = FIO_OPT_INT,
a609f12a
JA
3310 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3311 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3312 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3313 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3314 .parent = "rate",
d71c154c 3315 .hide = 1,
e8b0e958
JA
3316 .category = FIO_OPT_C_IO,
3317 .group = FIO_OPT_G_RATE,
4e991c23
JA
3318 },
3319 {
3320 .name = "rate_iops",
e8b0e958 3321 .lname = "I/O rate IOPS",
e01b22b8 3322 .type = FIO_OPT_INT,
a609f12a
JA
3323 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3324 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3325 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3326 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3327 .hide = 1,
e8b0e958
JA
3328 .category = FIO_OPT_C_IO,
3329 .group = FIO_OPT_G_RATE,
4e991c23
JA
3330 },
3331 {
3332 .name = "rate_iops_min",
e8b0e958 3333 .lname = "I/O min rate IOPS",
e01b22b8 3334 .type = FIO_OPT_INT,
a609f12a
JA
3335 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3336 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3337 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3338 .help = "Job must meet this rate or it will be shut down",
afdf9352 3339 .parent = "rate_iops",
d71c154c 3340 .hide = 1,
e8b0e958
JA
3341 .category = FIO_OPT_C_IO,
3342 .group = FIO_OPT_G_RATE,
214e1eca 3343 },
ff6bb260 3344 {
6de65959
JA
3345 .name = "rate_process",
3346 .lname = "Rate Process",
3347 .type = FIO_OPT_STR,
a609f12a 3348 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA
3349 .help = "What process controls how rated IO is managed",
3350 .def = "linear",
ff6bb260
SL
3351 .category = FIO_OPT_C_IO,
3352 .group = FIO_OPT_G_RATE,
6de65959
JA
3353 .posval = {
3354 { .ival = "linear",
3355 .oval = RATE_PROCESS_LINEAR,
3356 .help = "Linear rate of IO",
3357 },
3358 {
3359 .ival = "poisson",
3360 .oval = RATE_PROCESS_POISSON,
3361 .help = "Rate follows Poisson process",
3362 },
3363 },
3364 .parent = "rate",
ff6bb260 3365 },
214e1eca 3366 {
6d428bcd
JA
3367 .name = "rate_cycle",
3368 .alias = "ratecycle",
e8b0e958 3369 .lname = "I/O rate cycle",
214e1eca 3370 .type = FIO_OPT_INT,
a609f12a 3371 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA
3372 .help = "Window average for rate limits (msec)",
3373 .def = "1000",
afdf9352 3374 .parent = "rate",
d71c154c 3375 .hide = 1,
e8b0e958
JA
3376 .category = FIO_OPT_C_IO,
3377 .group = FIO_OPT_G_RATE,
214e1eca 3378 },
15501535
JA
3379 {
3380 .name = "max_latency",
cce2fdfe 3381 .lname = "Max Latency",
15501535 3382 .type = FIO_OPT_INT,
a609f12a 3383 .off1 = offsetof(struct thread_options, max_latency),
15501535 3384 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3385 .is_time = 1,
1e5324e7 3386 .category = FIO_OPT_C_IO,
3e260a46
JA
3387 .group = FIO_OPT_G_LATPROF,
3388 },
3389 {
3390 .name = "latency_target",
3391 .lname = "Latency Target (usec)",
3392 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3393 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3394 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3395 .is_time = 1,
3e260a46
JA
3396 .category = FIO_OPT_C_IO,
3397 .group = FIO_OPT_G_LATPROF,
3398 },
3399 {
3400 .name = "latency_window",
3401 .lname = "Latency Window (usec)",
3402 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3403 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3404 .help = "Time to sustain latency_target",
88038bc7 3405 .is_time = 1,
3e260a46
JA
3406 .category = FIO_OPT_C_IO,
3407 .group = FIO_OPT_G_LATPROF,
3408 },
3409 {
3410 .name = "latency_percentile",
3411 .lname = "Latency Percentile",
3412 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3413 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA
3414 .help = "Percentile of IOs must be below latency_target",
3415 .def = "100",
3416 .maxlen = 1,
3417 .minfp = 0.0,
3418 .maxfp = 100.0,
3419 .category = FIO_OPT_C_IO,
3420 .group = FIO_OPT_G_LATPROF,
15501535 3421 },
214e1eca
JA
3422 {
3423 .name = "invalidate",
e8b0e958 3424 .lname = "Cache invalidate",
214e1eca 3425 .type = FIO_OPT_BOOL,
a609f12a 3426 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA
3427 .help = "Invalidate buffer/page cache prior to running job",
3428 .def = "1",
e8b0e958 3429 .category = FIO_OPT_C_IO,
3ceb458f 3430 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
3431 },
3432 {
3433 .name = "sync",
e8b0e958 3434 .lname = "Synchronous I/O",
214e1eca 3435 .type = FIO_OPT_BOOL,
a609f12a 3436 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA
3437 .help = "Use O_SYNC for buffered writes",
3438 .def = "0",
67a1000f 3439 .parent = "buffered",
d71c154c 3440 .hide = 1,
e8b0e958 3441 .category = FIO_OPT_C_IO,
3ceb458f 3442 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3443 },
ae8e559e
JA
3444#ifdef FIO_HAVE_WRITE_HINT
3445 {
3446 .name = "write_hint",
3447 .lname = "Write hint",
3448 .type = FIO_OPT_STR,
3449 .off1 = offsetof(struct thread_options, write_hint),
3450 .help = "Set expected write life time",
3451 .category = FIO_OPT_C_ENGINE,
3452 .group = FIO_OPT_G_INVALID,
3453 .posval = {
3454 { .ival = "none",
3455 .oval = RWH_WRITE_LIFE_NONE,
3456 },
3457 { .ival = "short",
3458 .oval = RWH_WRITE_LIFE_SHORT,
3459 },