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Merge branch 'fgp_fixes' of https://github.com/sitsofe/fio
[fio.git] / options.c
CommitLineData
214e1eca
JA		 1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
214e1eca 6#include <assert.h>
921c766f 7#include <libgen.h>
5921e80c
JA		 8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
e13c3b50 11#include <netinet/in.h>
214e1eca
JA		 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
JA		 23#define cb_data_to_td(data) container_of(data, struct thread_data, o)
24
fc8d6d05 25static struct pattern_fmt_desc fmt_desc[] = {
4205998f
JA		 26 {
27 .fmt = "%o",
28 .len = FIELD_SIZE(struct io_u *, offset),
29 .paste = paste_blockoff
30 }
31};
32
214e1eca
JA		 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
JA		 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
JA		 55}
56
d2835319
JA		 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
JA		 71
72 i = 0;
564ca972
JA		 73 while ((fname = strsep(&str, ":")) != NULL) {
74 char *perc_str;
75
76 if (!strlen(fname))
77 break;
78
564ca972
JA		 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
JA		 93 return 1;
94 }
95
d2835319
JA		 96 split->val1[i] = val;
97 split->val2[i] = perc;
564ca972 98 i++;
d2835319
JA		 99 if (i == 100)
100 break;
564ca972
JA		 101 }
102
d2835319
JA		 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
JA		 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
JA		 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
JA		 149 free(o->bssplit[ddir]);
150 o->bssplit[ddir] = NULL;
564ca972
JA		 151 return 1;
152 }
d711cce5 153
564ca972
JA		 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
JA		 165 bsp->perc = (100 - perc) / perc_missing;
166 }
167 }
168
83ea422a
JA		 169 o->min_bs[ddir] = min_bs;
170 o->max_bs[ddir] = max_bs;
564ca972
JA		 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
JA		 177}
178
764593c0
JA		 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
JA		 184 int ret = 0;
185
720e84ad
JA		 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
JA		 203 if (!ret) {
204 *odir = '\0';
764593c0 205 ret = fn(&td->o, DDIR_READ, str);
720e84ad
JA		 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
JA		 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
JA		 229 char *str, *p;
230 int ret = 0;
231
764593c0
JA		 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
DM		 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
JA		 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
6730b40f
TK		 1465/*
1466 * str is supposed to be a substring of the strdup'd original string,
1467 * and is valid only if it's a regular file path.
1468 * This function keeps the pointer to the path as needed later.
1469 *
1470 * "external:/path/to/so\0" <- original pointer updated with strdup'd
1471 * "external\0" <- above pointer after parsed, i.e. ->ioengine
1472 * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
1473 */
1474static int str_ioengine_external_cb(void *data, const char *str)
1475{
1476 struct thread_data *td = cb_data_to_td(data);
1477 struct stat sb;
1478 char *p;
1479
1480 if (!str) {
1481 log_err("fio: null external ioengine path\n");
1482 return 1;
1483 }
1484
1485 p = (char *)str; /* str is mutable */
1486 strip_blank_front(&p);
1487 strip_blank_end(p);
1488
1489 if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
1490 log_err("fio: invalid external ioengine path \"%s\"\n", p);
1491 return 1;
1492 }
1493
1494 td->o.ioengine_so_path = p;
1495 return 0;
1496}
1497
896cac2a
JA		 1498static int rw_verify(struct fio_option *o, void *data)
1499{
a609f12a 1500 struct thread_data *td = cb_data_to_td(data);
896cac2a
JA		 1501
1502 if (read_only && td_write(td)) {
1503 log_err("fio: job <%s> has write bit set, but fio is in"
1504 " read-only mode\n", td->o.name);
1505 return 1;
1506 }
1507
1508 return 0;
1509}
1510
276ca4f7 1511static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1512{
276ca4f7 1513#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1514 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1515
29d43ff9
JA		 1516 if (td->o.gtod_cpu) {
1517 log_err("fio: platform must support CPU affinity for"
1518 "gettimeofday() offloading\n");
1519 return 1;
1520 }
1521#endif
1522
1523 return 0;
1524}
1525
214e1eca
JA		 1526/*
1527 * Map of job/command line options
1528 */
9af4a244 1529struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1530 {
1531 .name = "description",
e8b0e958 1532 .lname = "Description of job",
214e1eca 1533 .type = FIO_OPT_STR_STORE,
a609f12a 1534 .off1 = offsetof(struct thread_options, description),
214e1eca 1535 .help = "Text job description",
e8b0e958 1536 .category = FIO_OPT_C_GENERAL,
0626037e 1537 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1538 },
1539 {
1540 .name = "name",
e8b0e958 1541 .lname = "Job name",
214e1eca 1542 .type = FIO_OPT_STR_STORE,
a609f12a 1543 .off1 = offsetof(struct thread_options, name),
214e1eca 1544 .help = "Name of this job",
e8b0e958 1545 .category = FIO_OPT_C_GENERAL,
0626037e 1546 .group = FIO_OPT_G_DESC,
214e1eca 1547 },
9cc8cb91
AK		 1548 {
1549 .name = "wait_for",
1550 .lname = "Waitee name",
1551 .type = FIO_OPT_STR_STORE,
a609f12a 1552 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1553 .help = "Name of the job this one wants to wait for before starting",
1554 .category = FIO_OPT_C_GENERAL,
1555 .group = FIO_OPT_G_DESC,
1556 },
214e1eca
JA		 1557 {
1558 .name = "filename",
e8b0e958 1559 .lname = "Filename(s)",
214e1eca 1560 .type = FIO_OPT_STR_STORE,
a609f12a 1561 .off1 = offsetof(struct thread_options, filename),
214e1eca 1562 .cb = str_filename_cb,
f0d524b0 1563 .prio = -1, /* must come after "directory" */
214e1eca 1564 .help = "File(s) to use for the workload",
e8b0e958 1565 .category = FIO_OPT_C_FILE,
0626037e 1566 .group = FIO_OPT_G_FILENAME,
214e1eca 1567 },
90fef2d1 1568 {
e8b0e958
JA		 1569 .name = "directory",
1570 .lname = "Directory",
1571 .type = FIO_OPT_STR_STORE,
a609f12a 1572 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1573 .cb = str_directory_cb,
1574 .help = "Directory to store files in",
1575 .category = FIO_OPT_C_FILE,
0626037e 1576 .group = FIO_OPT_G_FILENAME,
90fef2d1 1577 },
de98bd30
JA		 1578 {
1579 .name = "filename_format",
922a5be8 1580 .lname = "Filename Format",
de98bd30 1581 .type = FIO_OPT_STR_STORE,
a609f12a 1582 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1583 .prio = -1, /* must come after "directory" */
1584 .help = "Override default $jobname.$jobnum.$filenum naming",
1585 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1586 .category = FIO_OPT_C_FILE,
1587 .group = FIO_OPT_G_FILENAME,
ad705bcb 1588 },
922a5be8
JA		 1589 {
1590 .name = "unique_filename",
1591 .lname = "Unique Filename",
1592 .type = FIO_OPT_BOOL,
a609f12a 1593 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1594 .help = "For network clients, prefix file with source IP",
1595 .def = "1",
1596 .category = FIO_OPT_C_FILE,
1597 .group = FIO_OPT_G_FILENAME,
1598 },
29c1349f
JA		 1599 {
1600 .name = "lockfile",
e8b0e958 1601 .lname = "Lockfile",
4d4e80f2 1602 .type = FIO_OPT_STR,
a609f12a 1603 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1604 .help = "Lock file when doing IO to it",
bc6a0a5d 1605 .prio = 1,
29c1349f 1606 .parent = "filename",
d71c154c 1607 .hide = 0,
4d4e80f2 1608 .def = "none",
e8b0e958 1609 .category = FIO_OPT_C_FILE,
0626037e 1610 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1611 .posval = {
1612 { .ival = "none",
1613 .oval = FILE_LOCK_NONE,
1614 .help = "No file locking",
1615 },
1616 { .ival = "exclusive",
1617 .oval = FILE_LOCK_EXCLUSIVE,
1618 .help = "Exclusive file lock",
1619 },
1620 {
1621 .ival = "readwrite",
1622 .oval = FILE_LOCK_READWRITE,
1623 .help = "Read vs write lock",
1624 },
1625 },
29c1349f 1626 },
214e1eca
JA		 1627 {
1628 .name = "opendir",
e8b0e958 1629 .lname = "Open directory",
214e1eca 1630 .type = FIO_OPT_STR_STORE,
a609f12a 1631 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1632 .cb = str_opendir_cb,
1633 .help = "Recursively add files from this directory and down",
e8b0e958 1634 .category = FIO_OPT_C_FILE,
0626037e 1635 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1636 },
1637 {
1638 .name = "rw",
e8b0e958 1639 .lname = "Read/write",
d3aad8f2 1640 .alias = "readwrite",
214e1eca 1641 .type = FIO_OPT_STR,
211097b2 1642 .cb = str_rw_cb,
a609f12a 1643 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1644 .help = "IO direction",
1645 .def = "read",
896cac2a 1646 .verify = rw_verify,
e8b0e958 1647 .category = FIO_OPT_C_IO,
0626037e 1648 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1649 .posval = {
1650 { .ival = "read",
1651 .oval = TD_DDIR_READ,
1652 .help = "Sequential read",
1653 },
1654 { .ival = "write",
1655 .oval = TD_DDIR_WRITE,
1656 .help = "Sequential write",
1657 },
6eaf09d6
SL		 1658 { .ival = "trim",
1659 .oval = TD_DDIR_TRIM,
1660 .help = "Sequential trim",
1661 },
214e1eca
JA		 1662 { .ival = "randread",
1663 .oval = TD_DDIR_RANDREAD,
1664 .help = "Random read",
1665 },
1666 { .ival = "randwrite",
1667 .oval = TD_DDIR_RANDWRITE,
1668 .help = "Random write",
1669 },
6eaf09d6
SL		 1670 { .ival = "randtrim",
1671 .oval = TD_DDIR_RANDTRIM,
1672 .help = "Random trim",
1673 },
214e1eca
JA		 1674 { .ival = "rw",
1675 .oval = TD_DDIR_RW,
1676 .help = "Sequential read and write mix",
1677 },
10b023db
JA		 1678 { .ival = "readwrite",
1679 .oval = TD_DDIR_RW,
1680 .help = "Sequential read and write mix",
1681 },
214e1eca
JA		 1682 { .ival = "randrw",
1683 .oval = TD_DDIR_RANDRW,
1684 .help = "Random read and write mix"
1685 },
82a90686
JA		 1686 { .ival = "trimwrite",
1687 .oval = TD_DDIR_TRIMWRITE,
1688 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1689 },
214e1eca
JA		 1690 },
1691 },
38dad62d
JA		 1692 {
1693 .name = "rw_sequencer",
e8b0e958 1694 .lname = "RW Sequencer",
38dad62d 1695 .type = FIO_OPT_STR,
a609f12a 1696 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1697 .help = "IO offset generator modifier",
1698 .def = "sequential",
e8b0e958 1699 .category = FIO_OPT_C_IO,
0626037e 1700 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1701 .posval = {
1702 { .ival = "sequential",
1703 .oval = RW_SEQ_SEQ,
1704 .help = "Generate sequential offsets",
1705 },
1706 { .ival = "identical",
1707 .oval = RW_SEQ_IDENT,
1708 .help = "Generate identical offsets",
1709 },
1710 },
1711 },
1712
214e1eca
JA		 1713 {
1714 .name = "ioengine",
e8b0e958 1715 .lname = "IO Engine",
214e1eca 1716 .type = FIO_OPT_STR_STORE,
a609f12a 1717 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1718 .help = "IO engine to use",
58483fa4 1719 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1720 .category = FIO_OPT_C_IO,
0626037e 1721 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1722 .posval = {
1723 { .ival = "sync",
1724 .help = "Use read/write",
1725 },
a31041ea 1726 { .ival = "psync",
1727 .help = "Use pread/pwrite",
1728 },
1d2af02a 1729 { .ival = "vsync",
03e20d68 1730 .help = "Use readv/writev",
1d2af02a 1731 },
07fc0acd
JA		 1732#ifdef CONFIG_PWRITEV
1733 { .ival = "pvsync",
1734 .help = "Use preadv/pwritev",
1735 },
1736#endif
6562685f 1737#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1738 { .ival = "pvsync2",
1739 .help = "Use preadv2/pwritev2",
1740 },
1741#endif
67bf9823 1742#ifdef CONFIG_LIBAIO
214e1eca
JA		 1743 { .ival = "libaio",
1744 .help = "Linux native asynchronous IO",
1745 },
1746#endif
67bf9823 1747#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1748 { .ival = "posixaio",
1749 .help = "POSIX asynchronous IO",
1750 },
417f0068 1751#endif
997843cb 1752#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1753 { .ival = "solarisaio",
1754 .help = "Solaris native asynchronous IO",
1755 },
214e1eca 1756#endif
4700b234 1757#ifdef CONFIG_WINDOWSAIO
03e20d68 1758 { .ival = "windowsaio",
3be80071 1759 .help = "Windows native asynchronous IO"
de890a1e 1760 },
fc5c0345
DG		 1761#endif
1762#ifdef CONFIG_RBD
1763 { .ival = "rbd",
1764 .help = "Rados Block Device asynchronous IO"
1765 },
3be80071 1766#endif
214e1eca 1767 { .ival = "mmap",
03e20d68 1768 .help = "Memory mapped IO"
214e1eca 1769 },
67bf9823 1770#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1771 { .ival = "splice",
1772 .help = "splice/vmsplice based IO",
1773 },
9cce02e8
JA		 1774 { .ival = "netsplice",
1775 .help = "splice/vmsplice to/from the network",
1776 },
214e1eca
JA		 1777#endif
1778#ifdef FIO_HAVE_SGIO
1779 { .ival = "sg",
1780 .help = "SCSI generic v3 IO",
1781 },
1782#endif
1783 { .ival = "null",
1784 .help = "Testing engine (no data transfer)",
1785 },
1786 { .ival = "net",
1787 .help = "Network IO",
1788 },
214e1eca 1789 { .ival = "cpuio",
03e20d68 1790 .help = "CPU cycle burner engine",
214e1eca 1791 },
67bf9823 1792#ifdef CONFIG_GUASI
b8c82a46
JA		 1793 { .ival = "guasi",
1794 .help = "GUASI IO engine",
1795 },
79a43187
JA		 1796#endif
1797#ifdef FIO_HAVE_BINJECT
1798 { .ival = "binject",
1799 .help = "binject direct inject block engine",
1800 },
21b8aee8 1801#endif
67bf9823 1802#ifdef CONFIG_RDMA
21b8aee8 1803 { .ival = "rdma",
1804 .help = "RDMA IO engine",
1805 },
8200b8c7 1806#endif
67bf9823 1807#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1808 { .ival = "fusion-aw-sync",
1809 .help = "Fusion-io atomic write engine",
1810 },
1ecc95ca 1811#endif
997843cb 1812#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1813 { .ival = "e4defrag",
1814 .help = "ext4 defrag engine",
1815 },
1816#endif
997843cb 1817#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1818 { .ival = "falloc",
1819 .help = "fallocate() file based engine",
1820 },
b8c82a46 1821#endif
a7c386f4 1822#ifdef CONFIG_GFAPI
1823 { .ival = "gfapi",
cc47f094 1824 .help = "Glusterfs libgfapi(sync) based engine"
1825 },
1826 { .ival = "gfapi_async",
1827 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1828 },
1829#endif
1b10477b 1830#ifdef CONFIG_LIBHDFS
b74e419e 1831 { .ival = "libhdfs",
1b10477b
MM		 1832 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1833 },
5c4ef02e
JA		 1834#endif
1835#ifdef CONFIG_PMEMBLK
1836 { .ival = "pmemblk",
1837 .help = "NVML libpmemblk based IO engine",
1838 },
1839
104ee4de
DJ		 1840#endif
1841#ifdef CONFIG_LINUX_DEVDAX
1842 { .ival = "dev-dax",
1843 .help = "DAX Device based IO engine",
1844 },
1b10477b 1845#endif
edc5fa12
JA		 1846 {
1847 .ival = "filecreate",
1848 .help = "File creation engine",
1849 },
214e1eca
JA		 1850 { .ival = "external",
1851 .help = "Load external engine (append name)",
6730b40f 1852 .cb = str_ioengine_external_cb,
214e1eca
JA		 1853 },
1854 },
1855 },
1856 {
1857 .name = "iodepth",
e8b0e958 1858 .lname = "IO Depth",
214e1eca 1859 .type = FIO_OPT_INT,
a609f12a 1860 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1861 .help = "Number of IO buffers to keep in flight",
757aff4f 1862 .minval = 1,
20eb06bd 1863 .interval = 1,
214e1eca 1864 .def = "1",
e8b0e958 1865 .category = FIO_OPT_C_IO,
0626037e 1866 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1867 },
1868 {
1869 .name = "iodepth_batch",
e8b0e958 1870 .lname = "IO Depth batch",
4950421a 1871 .alias = "iodepth_batch_submit",
214e1eca 1872 .type = FIO_OPT_INT,
a609f12a 1873 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1874 .help = "Number of IO buffers to submit in one go",
afdf9352 1875 .parent = "iodepth",
d71c154c 1876 .hide = 1,
20eb06bd 1877 .interval = 1,
a2e6f8ac 1878 .def = "1",
e8b0e958 1879 .category = FIO_OPT_C_IO,
0626037e 1880 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1881 },
1882 {
82407585
RP		 1883 .name = "iodepth_batch_complete_min",
1884 .lname = "Min IO depth batch complete",
1885 .alias = "iodepth_batch_complete",
4950421a 1886 .type = FIO_OPT_INT,
a609f12a 1887 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1888 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1889 .parent = "iodepth",
d71c154c 1890 .hide = 1,
4950421a 1891 .minval = 0,
20eb06bd 1892 .interval = 1,
4950421a 1893 .def = "1",
e8b0e958 1894 .category = FIO_OPT_C_IO,
0626037e 1895 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1896 },
82407585
RP		 1897 {
1898 .name = "iodepth_batch_complete_max",
1899 .lname = "Max IO depth batch complete",
1900 .type = FIO_OPT_INT,
a609f12a 1901 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1902 .help = "Max number of IO buffers to retrieve in one go",
1903 .parent = "iodepth",
1904 .hide = 1,
1905 .minval = 0,
1906 .interval = 1,
1907 .category = FIO_OPT_C_IO,
1908 .group = FIO_OPT_G_IO_BASIC,
1909 },
214e1eca
JA		 1910 {
1911 .name = "iodepth_low",
e8b0e958 1912 .lname = "IO Depth batch low",
214e1eca 1913 .type = FIO_OPT_INT,
a609f12a 1914 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1915 .help = "Low water mark for queuing depth",
afdf9352 1916 .parent = "iodepth",
d71c154c 1917 .hide = 1,
20eb06bd 1918 .interval = 1,
e8b0e958 1919 .category = FIO_OPT_C_IO,
0626037e 1920 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1921 },
997b5680
SW		 1922 {
1923 .name = "serialize_overlap",
1924 .lname = "Serialize overlap",
1925 .off1 = offsetof(struct thread_options, serialize_overlap),
1926 .type = FIO_OPT_BOOL,
1927 .help = "Wait for in-flight IOs that collide to complete",
1928 .parent = "iodepth",
1929 .def = "0",
1930 .category = FIO_OPT_C_IO,
1931 .group = FIO_OPT_G_IO_BASIC,
1932 },
a9da8ab2
JA		 1933 {
1934 .name = "io_submit_mode",
1935 .lname = "IO submit mode",
1936 .type = FIO_OPT_STR,
a609f12a 1937 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1938 .help = "How IO submissions and completions are done",
1939 .def = "inline",
1940 .category = FIO_OPT_C_IO,
1941 .group = FIO_OPT_G_IO_BASIC,
1942 .posval = {
1943 { .ival = "inline",
1944 .oval = IO_MODE_INLINE,
1945 .help = "Submit and complete IO inline",
1946 },
1947 { .ival = "offload",
1948 .oval = IO_MODE_OFFLOAD,
1949 .help = "Offload submit and complete to threads",
1950 },
1951 },
1952 },
214e1eca
JA		 1953 {
1954 .name = "size",
e8b0e958 1955 .lname = "Size",
214e1eca 1956 .type = FIO_OPT_STR_VAL,
7bb59102 1957 .cb = str_size_cb,
a609f12a 1958 .off1 = offsetof(struct thread_options, size),
214e1eca 1959 .help = "Total size of device or files",
20eb06bd 1960 .interval = 1024 * 1024,
e8b0e958
JA		 1961 .category = FIO_OPT_C_IO,
1962 .group = FIO_OPT_G_INVALID,
214e1eca 1963 },
77731b29 1964 {
a4d3b4db
JA		 1965 .name = "io_size",
1966 .alias = "io_limit",
1967 .lname = "IO Size",
77731b29 1968 .type = FIO_OPT_STR_VAL,
5be9bf09 1969 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 1970 .help = "Total size of I/O to be performed",
77731b29
JA		 1971 .interval = 1024 * 1024,
1972 .category = FIO_OPT_C_IO,
1973 .group = FIO_OPT_G_INVALID,
1974 },
aa31f1f1
SL		 1975 {
1976 .name = "fill_device",
e8b0e958 1977 .lname = "Fill device",
74586c1e 1978 .alias = "fill_fs",
aa31f1f1 1979 .type = FIO_OPT_BOOL,
a609f12a 1980 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 1981 .help = "Write until an ENOSPC error occurs",
1982 .def = "0",
e8b0e958
JA		 1983 .category = FIO_OPT_C_FILE,
1984 .group = FIO_OPT_G_INVALID,
aa31f1f1 1985 },
214e1eca
JA		 1986 {
1987 .name = "filesize",
e8b0e958 1988 .lname = "File size",
214e1eca 1989 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 1990 .off1 = offsetof(struct thread_options, file_size_low),
1991 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 1992 .minval = 1,
214e1eca 1993 .help = "Size of individual files",
20eb06bd 1994 .interval = 1024 * 1024,
e8b0e958
JA		 1995 .category = FIO_OPT_C_FILE,
1996 .group = FIO_OPT_G_INVALID,
214e1eca 1997 },
bedc9dc2
JA		 1998 {
1999 .name = "file_append",
2000 .lname = "File append",
2001 .type = FIO_OPT_BOOL,
a609f12a 2002 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 2003 .help = "IO will start at the end of the file(s)",
2004 .def = "0",
2005 .category = FIO_OPT_C_FILE,
2006 .group = FIO_OPT_G_INVALID,
2007 },
67a1000f
JA		 2008 {
2009 .name = "offset",
e8b0e958 2010 .lname = "IO offset",
67a1000f
JA		 2011 .alias = "fileoffset",
2012 .type = FIO_OPT_STR_VAL,
89978a6b 2013 .cb = str_offset_cb,
a609f12a 2014 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 2015 .help = "Start IO from this offset",
2016 .def = "0",
20eb06bd 2017 .interval = 1024 * 1024,
e8b0e958
JA		 2018 .category = FIO_OPT_C_IO,
2019 .group = FIO_OPT_G_INVALID,
67a1000f 2020 },
2d7cd868
JA		 2021 {
2022 .name = "offset_increment",
e8b0e958 2023 .lname = "IO offset increment",
2d7cd868 2024 .type = FIO_OPT_STR_VAL,
a609f12a 2025 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 2026 .help = "What is the increment from one offset to the next",
2027 .parent = "offset",
d71c154c 2028 .hide = 1,
2d7cd868 2029 .def = "0",
20eb06bd 2030 .interval = 1024 * 1024,
e8b0e958
JA		 2031 .category = FIO_OPT_C_IO,
2032 .group = FIO_OPT_G_INVALID,
2d7cd868 2033 },
ddf24e42
JA		 2034 {
2035 .name = "number_ios",
2036 .lname = "Number of IOs to perform",
2037 .type = FIO_OPT_STR_VAL,
a609f12a 2038 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2039 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 2040 .def = "0",
2041 .category = FIO_OPT_C_IO,
2042 .group = FIO_OPT_G_INVALID,
2043 },
214e1eca
JA		 2044 {
2045 .name = "bs",
e8b0e958 2046 .lname = "Block size",
d3aad8f2 2047 .alias = "blocksize",
e01b22b8 2048 .type = FIO_OPT_INT,
a609f12a
JA		 2049 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2050 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2051 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2052 .minval = 1,
214e1eca 2053 .help = "Block size unit",
2b9136a3 2054 .def = "4096",
67a1000f 2055 .parent = "rw",
d71c154c 2056 .hide = 1,
20eb06bd 2057 .interval = 512,
e8b0e958
JA		 2058 .category = FIO_OPT_C_IO,
2059 .group = FIO_OPT_G_INVALID,
214e1eca 2060 },
2b7a01d0
JA		 2061 {
2062 .name = "ba",
e8b0e958 2063 .lname = "Block size align",
2b7a01d0 2064 .alias = "blockalign",
e01b22b8 2065 .type = FIO_OPT_INT,
a609f12a
JA		 2066 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2067 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2068 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2069 .minval = 1,
2070 .help = "IO block offset alignment",
2071 .parent = "rw",
d71c154c 2072 .hide = 1,
20eb06bd 2073 .interval = 512,
e8b0e958
JA		 2074 .category = FIO_OPT_C_IO,
2075 .group = FIO_OPT_G_INVALID,
2b7a01d0 2076 },
214e1eca
JA		 2077 {
2078 .name = "bsrange",
e8b0e958 2079 .lname = "Block size range",
d3aad8f2 2080 .alias = "blocksize_range",
214e1eca 2081 .type = FIO_OPT_RANGE,
a609f12a
JA		 2082 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2083 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2084 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2085 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2086 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2087 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2088 .minval = 1,
214e1eca 2089 .help = "Set block size range (in more detail than bs)",
67a1000f 2090 .parent = "rw",
d71c154c 2091 .hide = 1,
20eb06bd 2092 .interval = 4096,
e8b0e958
JA		 2093 .category = FIO_OPT_C_IO,
2094 .group = FIO_OPT_G_INVALID,
214e1eca 2095 },
564ca972
JA		 2096 {
2097 .name = "bssplit",
e8b0e958 2098 .lname = "Block size split",
564ca972
JA		 2099 .type = FIO_OPT_STR,
2100 .cb = str_bssplit_cb,
a609f12a 2101 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2102 .help = "Set a specific mix of block sizes",
2103 .parent = "rw",
d71c154c 2104 .hide = 1,
e8b0e958
JA		 2105 .category = FIO_OPT_C_IO,
2106 .group = FIO_OPT_G_INVALID,
564ca972 2107 },
214e1eca
JA		 2108 {
2109 .name = "bs_unaligned",
e8b0e958 2110 .lname = "Block size unaligned",
d3aad8f2 2111 .alias = "blocksize_unaligned",
214e1eca 2112 .type = FIO_OPT_STR_SET,
a609f12a 2113 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2114 .help = "Don't sector align IO buffer sizes",
67a1000f 2115 .parent = "rw",
d71c154c 2116 .hide = 1,
e8b0e958
JA		 2117 .category = FIO_OPT_C_IO,
2118 .group = FIO_OPT_G_INVALID,
214e1eca 2119 },
6aca9b3d
JA		 2120 {
2121 .name = "bs_is_seq_rand",
2122 .lname = "Block size division is seq/random (not read/write)",
2123 .type = FIO_OPT_BOOL,
a609f12a 2124 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2125 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2126 .def = "0",
2127 .parent = "blocksize",
2128 .category = FIO_OPT_C_IO,
2129 .group = FIO_OPT_G_INVALID,
2130 },
214e1eca
JA		 2131 {
2132 .name = "randrepeat",
e8b0e958 2133 .lname = "Random repeatable",
214e1eca 2134 .type = FIO_OPT_BOOL,
a609f12a 2135 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2136 .help = "Use repeatable random IO pattern",
2137 .def = "1",
67a1000f 2138 .parent = "rw",
d71c154c 2139 .hide = 1,
e8b0e958 2140 .category = FIO_OPT_C_IO,
3ceb458f 2141 .group = FIO_OPT_G_RANDOM,
214e1eca 2142 },
04778baf
JA		 2143 {
2144 .name = "randseed",
2145 .lname = "The random generator seed",
363cffa7 2146 .type = FIO_OPT_STR_VAL,
a609f12a 2147 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2148 .help = "Set the random generator seed value",
40fe5e7b 2149 .def = "0x89",
04778baf
JA		 2150 .parent = "rw",
2151 .category = FIO_OPT_C_IO,
2152 .group = FIO_OPT_G_RANDOM,
2153 },
2615cc4b
JA		 2154 {
2155 .name = "use_os_rand",
e8b0e958 2156 .lname = "Use OS random",
54a21917 2157 .type = FIO_OPT_DEPRECATED,
a609f12a 2158 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2159 .category = FIO_OPT_C_IO,
3ceb458f 2160 .group = FIO_OPT_G_RANDOM,
2615cc4b 2161 },
214e1eca
JA		 2162 {
2163 .name = "norandommap",
e8b0e958 2164 .lname = "No randommap",
214e1eca 2165 .type = FIO_OPT_STR_SET,
a609f12a 2166 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2167 .help = "Accept potential duplicate random blocks",
67a1000f 2168 .parent = "rw",
d71c154c 2169 .hide = 1,
b2452a43 2170 .hide_on_set = 1,
e8b0e958 2171 .category = FIO_OPT_C_IO,
3ceb458f 2172 .group = FIO_OPT_G_RANDOM,
214e1eca 2173 },
2b386d25
JA		 2174 {
2175 .name = "softrandommap",
e8b0e958 2176 .lname = "Soft randommap",
2b386d25 2177 .type = FIO_OPT_BOOL,
a609f12a 2178 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2179 .help = "Set norandommap if randommap allocation fails",
2b386d25 2180 .parent = "norandommap",
d71c154c 2181 .hide = 1,
2b386d25 2182 .def = "0",
e8b0e958 2183 .category = FIO_OPT_C_IO,
3ceb458f 2184 .group = FIO_OPT_G_RANDOM,
2b386d25 2185 },
8055e41d
JA		 2186 {
2187 .name = "random_generator",
cce2fdfe 2188 .lname = "Random Generator",
8055e41d 2189 .type = FIO_OPT_STR,
a609f12a 2190 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2191 .help = "Type of random number generator to use",
2192 .def = "tausworthe",
2193 .posval = {
2194 { .ival = "tausworthe",
2195 .oval = FIO_RAND_GEN_TAUSWORTHE,
2196 .help = "Strong Tausworthe generator",
2197 },
2198 { .ival = "lfsr",
2199 .oval = FIO_RAND_GEN_LFSR,
2200 .help = "Variable length LFSR",
2201 },
c3546b53
JA		 2202 {
2203 .ival = "tausworthe64",
2204 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2205 .help = "64-bit Tausworthe variant",
2206 },
8055e41d 2207 },
48107598
JA		 2208 .category = FIO_OPT_C_IO,
2209 .group = FIO_OPT_G_RANDOM,
8055e41d 2210 },
e25839d4
JA		 2211 {
2212 .name = "random_distribution",
cce2fdfe 2213 .lname = "Random Distribution",
e25839d4 2214 .type = FIO_OPT_STR,
a609f12a 2215 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2216 .cb = str_random_distribution_cb,
2217 .help = "Random offset distribution generator",
2218 .def = "random",
2219 .posval = {
2220 { .ival = "random",
2221 .oval = FIO_RAND_DIST_RANDOM,
2222 .help = "Completely random",
2223 },
2224 { .ival = "zipf",
2225 .oval = FIO_RAND_DIST_ZIPF,
2226 .help = "Zipf distribution",
2227 },
925fee33
JA		 2228 { .ival = "pareto",
2229 .oval = FIO_RAND_DIST_PARETO,
2230 .help = "Pareto distribution",
2231 },
56d9fa4b
JA		 2232 { .ival = "normal",
2233 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2234 .help = "Normal (Gaussian) distribution",
56d9fa4b 2235 },
e0a04ac1
JA		 2236 { .ival = "zoned",
2237 .oval = FIO_RAND_DIST_ZONED,
2238 .help = "Zoned random distribution",
2239 },
2240
e25839d4 2241 },
48107598
JA		 2242 .category = FIO_OPT_C_IO,
2243 .group = FIO_OPT_G_RANDOM,
e25839d4 2244 },
211c9b89
JA		 2245 {
2246 .name = "percentage_random",
2247 .lname = "Percentage Random",
2248 .type = FIO_OPT_INT,
a609f12a
JA		 2249 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2250 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2251 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2252 .maxval = 100,
2253 .help = "Percentage of seq/random mix that should be random",
d9472271 2254 .def = "100,100,100",
211c9b89
JA		 2255 .interval = 5,
2256 .inverse = "percentage_sequential",
2257 .category = FIO_OPT_C_IO,
2258 .group = FIO_OPT_G_RANDOM,
2259 },
2260 {
2261 .name = "percentage_sequential",
2262 .lname = "Percentage Sequential",
d9472271 2263 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2264 .category = FIO_OPT_C_IO,
2265 .group = FIO_OPT_G_RANDOM,
2266 },
56e2a5fc
CE		 2267 {
2268 .name = "allrandrepeat",
cce2fdfe 2269 .lname = "All Random Repeat",
56e2a5fc 2270 .type = FIO_OPT_BOOL,
a609f12a 2271 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2272 .help = "Use repeatable random numbers for everything",
2273 .def = "0",
a869d9c6
JA		 2274 .category = FIO_OPT_C_IO,
2275 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2276 },
214e1eca
JA		 2277 {
2278 .name = "nrfiles",
e8b0e958 2279 .lname = "Number of files",
d7c8be03 2280 .alias = "nr_files",
214e1eca 2281 .type = FIO_OPT_INT,
a609f12a 2282 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2283 .help = "Split job workload between this number of files",
2284 .def = "1",
20eb06bd 2285 .interval = 1,
e8b0e958
JA		 2286 .category = FIO_OPT_C_FILE,
2287 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2288 },
2289 {
2290 .name = "openfiles",
e8b0e958 2291 .lname = "Number of open files",
214e1eca 2292 .type = FIO_OPT_INT,
a609f12a 2293 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2294 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2295 .category = FIO_OPT_C_FILE,
2296 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2297 },
2298 {
2299 .name = "file_service_type",
e8b0e958 2300 .lname = "File service type",
214e1eca
JA		 2301 .type = FIO_OPT_STR,
2302 .cb = str_fst_cb,
a609f12a 2303 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2304 .help = "How to select which file to service next",
2305 .def = "roundrobin",
e8b0e958
JA		 2306 .category = FIO_OPT_C_FILE,
2307 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2308 .posval = {
2309 { .ival = "random",
2310 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2311 .help = "Choose a file at random (uniform)",
2312 },
2313 { .ival = "zipf",
2314 .oval = FIO_FSERVICE_ZIPF,
2315 .help = "Zipf randomized",
2316 },
2317 { .ival = "pareto",
2318 .oval = FIO_FSERVICE_PARETO,
2319 .help = "Pareto randomized",
2320 },
dd3503d3
SW		 2321 { .ival = "normal",
2322 .oval = FIO_FSERVICE_GAUSS,
2323 .help = "Normal (Gaussian) randomized",
2324 },
8c07860d
JA		 2325 { .ival = "gauss",
2326 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2327 .help = "Alias for normal",
214e1eca
JA		 2328 },
2329 { .ival = "roundrobin",
2330 .oval = FIO_FSERVICE_RR,
2331 .help = "Round robin select files",
2332 },
a086c257
JA		 2333 { .ival = "sequential",
2334 .oval = FIO_FSERVICE_SEQ,
2335 .help = "Finish one file before moving to the next",
2336 },
214e1eca 2337 },
67a1000f 2338 .parent = "nrfiles",
d71c154c 2339 .hide = 1,
67a1000f 2340 },
cbbdf1c8 2341#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA		 2342 {
2343 .name = "fallocate",
e8b0e958 2344 .lname = "Fallocate",
a596f047 2345 .type = FIO_OPT_STR,
a609f12a 2346 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2347 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2348 .def = "native",
e8b0e958
JA		 2349 .category = FIO_OPT_C_FILE,
2350 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2351 .posval = {
2352 { .ival = "none",
2353 .oval = FIO_FALLOCATE_NONE,
2354 .help = "Do not pre-allocate space",
2355 },
2c3e17be
SW		 2356 { .ival = "native",
2357 .oval = FIO_FALLOCATE_NATIVE,
2358 .help = "Use native pre-allocation if possible",
2359 },
2360#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2361 { .ival = "posix",
2362 .oval = FIO_FALLOCATE_POSIX,
2363 .help = "Use posix_fallocate()",
2364 },
2c3e17be 2365#endif
97ac992c 2366#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2367 { .ival = "keep",
2368 .oval = FIO_FALLOCATE_KEEP_SIZE,
2369 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2370 },
7bc8c2cf 2371#endif
a596f047
EG		 2372 /* Compatibility with former boolean values */
2373 { .ival = "0",
2374 .oval = FIO_FALLOCATE_NONE,
2375 .help = "Alias for 'none'",
2376 },
2c3e17be 2377#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2378 { .ival = "1",
2379 .oval = FIO_FALLOCATE_POSIX,
2380 .help = "Alias for 'posix'",
2381 },
2c3e17be 2382#endif
a596f047
EG		 2383 },
2384 },
cbbdf1c8 2385#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA		 2386 {
2387 .name = "fallocate",
2388 .lname = "Fallocate",
2389 .type = FIO_OPT_UNSUPPORTED,
2390 .help = "Your platform does not support fallocate",
2391 },
cbbdf1c8 2392#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA		 2393 {
2394 .name = "fadvise_hint",
e8b0e958 2395 .lname = "Fadvise hint",
ecb2083d 2396 .type = FIO_OPT_STR,
a609f12a 2397 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2398 .posval = {
2399 { .ival = "0",
2400 .oval = F_ADV_NONE,
2401 .help = "Don't issue fadvise",
2402 },
2403 { .ival = "1",
2404 .oval = F_ADV_TYPE,
2405 .help = "Advise using fio IO pattern",
2406 },
2407 { .ival = "random",
2408 .oval = F_ADV_RANDOM,
2409 .help = "Advise using FADV_RANDOM",
2410 },
2411 { .ival = "sequential",
2412 .oval = F_ADV_SEQUENTIAL,
2413 .help = "Advise using FADV_SEQUENTIAL",
2414 },
2415 },
67a1000f
JA		 2416 .help = "Use fadvise() to advise the kernel on IO pattern",
2417 .def = "1",
e8b0e958
JA		 2418 .category = FIO_OPT_C_FILE,
2419 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2420 },
2421 {
2422 .name = "fsync",
e8b0e958 2423 .lname = "Fsync",
214e1eca 2424 .type = FIO_OPT_INT,
a609f12a 2425 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2426 .help = "Issue fsync for writes every given number of blocks",
2427 .def = "0",
20eb06bd 2428 .interval = 1,
e8b0e958
JA		 2429 .category = FIO_OPT_C_FILE,
2430 .group = FIO_OPT_G_INVALID,
214e1eca 2431 },
5f9099ea
JA		 2432 {
2433 .name = "fdatasync",
e8b0e958 2434 .lname = "Fdatasync",
5f9099ea 2435 .type = FIO_OPT_INT,
a609f12a 2436 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2437 .help = "Issue fdatasync for writes every given number of blocks",
2438 .def = "0",
20eb06bd 2439 .interval = 1,
e8b0e958
JA		 2440 .category = FIO_OPT_C_FILE,
2441 .group = FIO_OPT_G_INVALID,
5f9099ea 2442 },
1ef2b6be
JA		 2443 {
2444 .name = "write_barrier",
e8b0e958 2445 .lname = "Write barrier",
1ef2b6be 2446 .type = FIO_OPT_INT,
a609f12a 2447 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2448 .help = "Make every Nth write a barrier write",
2449 .def = "0",
20eb06bd 2450 .interval = 1,
e8b0e958
JA		 2451 .category = FIO_OPT_C_IO,
2452 .group = FIO_OPT_G_INVALID,
1ef2b6be 2453 },
67bf9823 2454#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2455 {
2456 .name = "sync_file_range",
e8b0e958 2457 .lname = "Sync file range",
44f29692
JA		 2458 .posval = {
2459 { .ival = "wait_before",
2460 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2461 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2462 .orval = 1,
44f29692
JA		 2463 },
2464 { .ival = "write",
2465 .oval = SYNC_FILE_RANGE_WRITE,
2466 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2467 .orval = 1,
44f29692
JA		 2468 },
2469 {
2470 .ival = "wait_after",
2471 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2472 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2473 .orval = 1,
44f29692
JA		 2474 },
2475 },
3843deb3 2476 .type = FIO_OPT_STR_MULTI,
44f29692 2477 .cb = str_sfr_cb,
a609f12a 2478 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2479 .help = "Use sync_file_range()",
e8b0e958
JA		 2480 .category = FIO_OPT_C_FILE,
2481 .group = FIO_OPT_G_INVALID,
44f29692 2482 },
a275c37a 2483#else
54d0a315 2484 {
a275c37a
JA		 2485 .name = "sync_file_range",
2486 .lname = "Sync file range",
2487 .type = FIO_OPT_UNSUPPORTED,
2488 .help = "Your platform does not support sync_file_range",
2489 },
44f29692 2490#endif
214e1eca
JA		 2491 {
2492 .name = "direct",
e8b0e958 2493 .lname = "Direct I/O",
214e1eca 2494 .type = FIO_OPT_BOOL,
a609f12a 2495 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2496 .help = "Use O_DIRECT IO (negates buffered)",
2497 .def = "0",
a01a1bc5 2498 .inverse = "buffered",
e8b0e958 2499 .category = FIO_OPT_C_IO,
3ceb458f 2500 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2501 },
d01612f3
CM		 2502 {
2503 .name = "atomic",
2504 .lname = "Atomic I/O",
2505 .type = FIO_OPT_BOOL,
a609f12a 2506 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2507 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2508 .def = "0",
2509 .category = FIO_OPT_C_IO,
2510 .group = FIO_OPT_G_IO_TYPE,
2511 },
214e1eca
JA		 2512 {
2513 .name = "buffered",
e8b0e958 2514 .lname = "Buffered I/O",
214e1eca 2515 .type = FIO_OPT_BOOL,
a609f12a 2516 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2517 .neg = 1,
2518 .help = "Use buffered IO (negates direct)",
2519 .def = "1",
a01a1bc5 2520 .inverse = "direct",
e8b0e958 2521 .category = FIO_OPT_C_IO,
3ceb458f 2522 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2523 },
2524 {
2525 .name = "overwrite",
e8b0e958 2526 .lname = "Overwrite",
214e1eca 2527 .type = FIO_OPT_BOOL,
a609f12a 2528 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2529 .help = "When writing, set whether to overwrite current data",
2530 .def = "0",
e8b0e958
JA		 2531 .category = FIO_OPT_C_FILE,
2532 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2533 },
2534 {
2535 .name = "loops",
e8b0e958 2536 .lname = "Loops",
214e1eca 2537 .type = FIO_OPT_INT,
a609f12a 2538 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2539 .help = "Number of times to run the job",
2540 .def = "1",
20eb06bd 2541 .interval = 1,
e8b0e958 2542 .category = FIO_OPT_C_GENERAL,
a1f6afec 2543 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2544 },
2545 {
2546 .name = "numjobs",
e8b0e958 2547 .lname = "Number of jobs",
214e1eca 2548 .type = FIO_OPT_INT,
a609f12a 2549 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2550 .help = "Duplicate this job this many times",
2551 .def = "1",
20eb06bd 2552 .interval = 1,
e8b0e958 2553 .category = FIO_OPT_C_GENERAL,
a1f6afec 2554 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2555 },
2556 {
2557 .name = "startdelay",
e8b0e958 2558 .lname = "Start delay",
a5737c93 2559 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2560 .off1 = offsetof(struct thread_options, start_delay),
2561 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2562 .help = "Only start job when this period has passed",
2563 .def = "0",
0de5b26f 2564 .is_seconds = 1,
88038bc7 2565 .is_time = 1,
e8b0e958 2566 .category = FIO_OPT_C_GENERAL,
a1f6afec 2567 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2568 },
2569 {
2570 .name = "runtime",
e8b0e958 2571 .lname = "Runtime",
214e1eca
JA		 2572 .alias = "timeout",
2573 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2574 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2575 .help = "Stop workload when this amount of time has passed",
2576 .def = "0",
0de5b26f 2577 .is_seconds = 1,
88038bc7 2578 .is_time = 1,
e8b0e958 2579 .category = FIO_OPT_C_GENERAL,
a1f6afec 2580 .group = FIO_OPT_G_RUNTIME,
214e1eca 2581 },
cf4464ca
JA		 2582 {
2583 .name = "time_based",
e8b0e958 2584 .lname = "Time based",
cf4464ca 2585 .type = FIO_OPT_STR_SET,
a609f12a 2586 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2587 .help = "Keep running until runtime/timeout is met",
e8b0e958 2588 .category = FIO_OPT_C_GENERAL,
a1f6afec 2589 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2590 },
62167762
JC		 2591 {
2592 .name = "verify_only",
2593 .lname = "Verify only",
2594 .type = FIO_OPT_STR_SET,
a609f12a 2595 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2596 .help = "Verifies previously written data is still valid",
2597 .category = FIO_OPT_C_GENERAL,
2598 .group = FIO_OPT_G_RUNTIME,
2599 },
721938ae
JA		 2600 {
2601 .name = "ramp_time",
e8b0e958 2602 .lname = "Ramp time",
721938ae 2603 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2604 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2605 .help = "Ramp up time before measuring performance",
0de5b26f 2606 .is_seconds = 1,
88038bc7 2607 .is_time = 1,
e8b0e958 2608 .category = FIO_OPT_C_GENERAL,
a1f6afec 2609 .group = FIO_OPT_G_RUNTIME,
721938ae 2610 },
c223da83
JA		 2611 {
2612 .name = "clocksource",
e8b0e958 2613 .lname = "Clock source",
c223da83
JA		 2614 .type = FIO_OPT_STR,
2615 .cb = fio_clock_source_cb,
a609f12a 2616 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2617 .help = "What type of timing source to use",
e8b0e958 2618 .category = FIO_OPT_C_GENERAL,
10860056 2619 .group = FIO_OPT_G_CLOCK,
c223da83 2620 .posval = {
67bf9823 2621#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2622 { .ival = "gettimeofday",
2623 .oval = CS_GTOD,
2624 .help = "Use gettimeofday(2) for timing",
2625 },
67bf9823
JA		 2626#endif
2627#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2628 { .ival = "clock_gettime",
2629 .oval = CS_CGETTIME,
2630 .help = "Use clock_gettime(2) for timing",
2631 },
67bf9823 2632#endif
c223da83
JA		 2633#ifdef ARCH_HAVE_CPU_CLOCK
2634 { .ival = "cpu",
2635 .oval = CS_CPUCLOCK,
2636 .help = "Use CPU private clock",
2637 },
2638#endif
2639 },
2640 },
214e1eca
JA		 2641 {
2642 .name = "mem",
d3aad8f2 2643 .alias = "iomem",
e8b0e958 2644 .lname = "I/O Memory",
214e1eca
JA		 2645 .type = FIO_OPT_STR,
2646 .cb = str_mem_cb,
a609f12a 2647 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2648 .help = "Backing type for IO buffers",
2649 .def = "malloc",
e8b0e958
JA		 2650 .category = FIO_OPT_C_IO,
2651 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2652 .posval = {
2653 { .ival = "malloc",
2654 .oval = MEM_MALLOC,
2655 .help = "Use malloc(3) for IO buffers",
2656 },
c8931876 2657#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2658 { .ival = "shm",
2659 .oval = MEM_SHM,
2660 .help = "Use shared memory segments for IO buffers",
2661 },
214e1eca
JA		 2662#ifdef FIO_HAVE_HUGETLB
2663 { .ival = "shmhuge",
2664 .oval = MEM_SHMHUGE,
2665 .help = "Like shm, but use huge pages",
2666 },
c8931876 2667#endif
b370e46a 2668#endif
37c8cdfe
JA		 2669 { .ival = "mmap",
2670 .oval = MEM_MMAP,
2671 .help = "Use mmap(2) (file or anon) for IO buffers",
2672 },
217b0f1d
LG		 2673 { .ival = "mmapshared",
2674 .oval = MEM_MMAPSHARED,
2675 .help = "Like mmap, but use the shared flag",
2676 },
214e1eca
JA		 2677#ifdef FIO_HAVE_HUGETLB
2678 { .ival = "mmaphuge",
2679 .oval = MEM_MMAPHUGE,
2680 .help = "Like mmap, but use huge pages",
2681 },
03553853
YR		 2682#endif
2683#ifdef CONFIG_CUDA
2684 { .ival = "cudamalloc",
2685 .oval = MEM_CUDA_MALLOC,
2686 .help = "Allocate GPU device memory for GPUDirect RDMA",
2687 },
214e1eca
JA		 2688#endif
2689 },
2690 },
d529ee19
JA		 2691 {
2692 .name = "iomem_align",
2693 .alias = "mem_align",
e8b0e958 2694 .lname = "I/O memory alignment",
d529ee19 2695 .type = FIO_OPT_INT,
a609f12a 2696 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2697 .minval = 0,
2698 .help = "IO memory buffer offset alignment",
2699 .def = "0",
2700 .parent = "iomem",
d71c154c 2701 .hide = 1,
e8b0e958
JA		 2702 .category = FIO_OPT_C_IO,
2703 .group = FIO_OPT_G_INVALID,
d529ee19 2704 },
214e1eca
JA		 2705 {
2706 .name = "verify",
e8b0e958 2707 .lname = "Verify",
214e1eca 2708 .type = FIO_OPT_STR,
a609f12a 2709 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2710 .help = "Verify data written",
2711 .def = "0",
e8b0e958 2712 .category = FIO_OPT_C_IO,
3ceb458f 2713 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2714 .posval = {
2715 { .ival = "0",
2716 .oval = VERIFY_NONE,
2717 .help = "Don't do IO verification",
2718 },
fcca4b58
JA		 2719 { .ival = "md5",
2720 .oval = VERIFY_MD5,
2721 .help = "Use md5 checksums for verification",
2722 },
d77a7af3
JA		 2723 { .ival = "crc64",
2724 .oval = VERIFY_CRC64,
2725 .help = "Use crc64 checksums for verification",
2726 },
214e1eca
JA		 2727 { .ival = "crc32",
2728 .oval = VERIFY_CRC32,
2729 .help = "Use crc32 checksums for verification",
2730 },
af497e6a 2731 { .ival = "crc32c-intel",
e3aaafc4
JA		 2732 .oval = VERIFY_CRC32C,
2733 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2734 },
bac39e0e
JA		 2735 { .ival = "crc32c",
2736 .oval = VERIFY_CRC32C,
e3aaafc4 2737 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2738 },
969f7ed3
JA		 2739 { .ival = "crc16",
2740 .oval = VERIFY_CRC16,
2741 .help = "Use crc16 checksums for verification",
2742 },
1e154bdb
JA		 2743 { .ival = "crc7",
2744 .oval = VERIFY_CRC7,
2745 .help = "Use crc7 checksums for verification",
2746 },
7c353ceb
JA		 2747 { .ival = "sha1",
2748 .oval = VERIFY_SHA1,
2749 .help = "Use sha1 checksums for verification",
2750 },
cd14cc10
JA		 2751 { .ival = "sha256",
2752 .oval = VERIFY_SHA256,
2753 .help = "Use sha256 checksums for verification",
2754 },
2755 { .ival = "sha512",
2756 .oval = VERIFY_SHA512,
2757 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2758 },
2759 { .ival = "sha3-224",
2760 .oval = VERIFY_SHA3_224,
2761 .help = "Use sha3-224 checksums for verification",
2762 },
2763 { .ival = "sha3-256",
2764 .oval = VERIFY_SHA3_256,
2765 .help = "Use sha3-256 checksums for verification",
2766 },
2767 { .ival = "sha3-384",
2768 .oval = VERIFY_SHA3_384,
2769 .help = "Use sha3-384 checksums for verification",
2770 },
2771 { .ival = "sha3-512",
2772 .oval = VERIFY_SHA3_512,
2773 .help = "Use sha3-512 checksums for verification",
cd14cc10 2774 },
844ea602
JA		 2775 { .ival = "xxhash",
2776 .oval = VERIFY_XXHASH,
2777 .help = "Use xxhash checksums for verification",
2778 },
b638d82f
RP		 2779 /* Meta information was included into verify_header,
2780 * 'meta' verification is implied by default. */
7437ee87 2781 { .ival = "meta",
b638d82f
RP		 2782 .oval = VERIFY_HDR_ONLY,
2783 .help = "Use io information for verification. "
2784 "Now is implied by default, thus option is obsolete, "
2785 "don't use it",
7437ee87 2786 },
59245381
JA		 2787 { .ival = "pattern",
2788 .oval = VERIFY_PATTERN_NO_HDR,
2789 .help = "Verify strict pattern",
2790 },
36690c9b
JA		 2791 {
2792 .ival = "null",
2793 .oval = VERIFY_NULL,
2794 .help = "Pretend to verify",
2795 },
214e1eca
JA		 2796 },
2797 },
005c565a
JA		 2798 {
2799 .name = "do_verify",
e8b0e958 2800 .lname = "Perform verify step",
68e1f29a 2801 .type = FIO_OPT_BOOL,
a609f12a 2802 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2803 .help = "Run verification stage after write",
2804 .def = "1",
2805 .parent = "verify",
d71c154c 2806 .hide = 1,
e8b0e958
JA		 2807 .category = FIO_OPT_C_IO,
2808 .group = FIO_OPT_G_VERIFY,
005c565a 2809 },
160b966d
JA		 2810 {
2811 .name = "verifysort",
e8b0e958 2812 .lname = "Verify sort",
160b966d 2813 .type = FIO_OPT_BOOL,
a609f12a 2814 .off1 = offsetof(struct thread_options, verifysort),
160b966d
JA		 2815 .help = "Sort written verify blocks for read back",
2816 .def = "1",
c83f2df1 2817 .parent = "verify",
d71c154c 2818 .hide = 1,
e8b0e958
JA		 2819 .category = FIO_OPT_C_IO,
2820 .group = FIO_OPT_G_VERIFY,
160b966d 2821 },
1ae83d45
JA		 2822 {
2823 .name = "verifysort_nr",
cce2fdfe 2824 .lname = "Verify Sort Nr",
1ae83d45 2825 .type = FIO_OPT_INT,
a609f12a 2826 .off1 = offsetof(struct thread_options, verifysort_nr),
1ae83d45
JA		 2827 .help = "Pre-load and sort verify blocks for a read workload",
2828 .minval = 0,
2829 .maxval = 131072,
2830 .def = "1024",
2831 .parent = "verify",
836fcc0f
JA		 2832 .category = FIO_OPT_C_IO,
2833 .group = FIO_OPT_G_VERIFY,
1ae83d45 2834 },
3f9f4e26 2835 {
a59e170d 2836 .name = "verify_interval",
e8b0e958 2837 .lname = "Verify interval",
e01b22b8 2838 .type = FIO_OPT_INT,
a609f12a 2839 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2840 .minval = 2 * sizeof(struct verify_header),
a59e170d 2841 .help = "Store verify buffer header every N bytes",
afdf9352 2842 .parent = "verify",
d71c154c 2843 .hide = 1,
20eb06bd 2844 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2845 .category = FIO_OPT_C_IO,
2846 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2847 },
546a9142 2848 {
a59e170d 2849 .name = "verify_offset",
e8b0e958 2850 .lname = "Verify offset",
e01b22b8 2851 .type = FIO_OPT_INT,
a59e170d 2852 .help = "Offset verify header location by N bytes",
a609f12a 2853 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2854 .minval = sizeof(struct verify_header),
afdf9352 2855 .parent = "verify",
d71c154c 2856 .hide = 1,
e8b0e958
JA		 2857 .category = FIO_OPT_C_IO,
2858 .group = FIO_OPT_G_VERIFY,
546a9142 2859 },
e28218f3
SL		 2860 {
2861 .name = "verify_pattern",
e8b0e958 2862 .lname = "Verify pattern",
0e92f873 2863 .type = FIO_OPT_STR,
e28218f3 2864 .cb = str_verify_pattern_cb,
a609f12a 2865 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2866 .help = "Fill pattern for IO buffers",
2867 .parent = "verify",
d71c154c 2868 .hide = 1,
e8b0e958
JA		 2869 .category = FIO_OPT_C_IO,
2870 .group = FIO_OPT_G_VERIFY,
e28218f3 2871 },
a12a3b4d
JA		 2872 {
2873 .name = "verify_fatal",
e8b0e958 2874 .lname = "Verify fatal",
68e1f29a 2875 .type = FIO_OPT_BOOL,
a609f12a 2876 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2877 .def = "0",
2878 .help = "Exit on a single verify failure, don't continue",
2879 .parent = "verify",
d71c154c 2880 .hide = 1,
e8b0e958
JA		 2881 .category = FIO_OPT_C_IO,
2882 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2883 },
b463e936
JA		 2884 {
2885 .name = "verify_dump",
e8b0e958 2886 .lname = "Verify dump",
b463e936 2887 .type = FIO_OPT_BOOL,
a609f12a 2888 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2889 .def = "0",
b463e936
JA		 2890 .help = "Dump contents of good and bad blocks on failure",
2891 .parent = "verify",
d71c154c 2892 .hide = 1,
e8b0e958
JA		 2893 .category = FIO_OPT_C_IO,
2894 .group = FIO_OPT_G_VERIFY,
b463e936 2895 },
e8462bd8
JA		 2896 {
2897 .name = "verify_async",
e8b0e958 2898 .lname = "Verify asynchronously",
e8462bd8 2899 .type = FIO_OPT_INT,
a609f12a 2900 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2901 .def = "0",
2902 .help = "Number of async verifier threads to use",
2903 .parent = "verify",
d71c154c 2904 .hide = 1,
e8b0e958
JA		 2905 .category = FIO_OPT_C_IO,
2906 .group = FIO_OPT_G_VERIFY,
e8462bd8 2907 },
9e144189
JA		 2908 {
2909 .name = "verify_backlog",
e8b0e958 2910 .lname = "Verify backlog",
9e144189 2911 .type = FIO_OPT_STR_VAL,
a609f12a 2912 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2913 .help = "Verify after this number of blocks are written",
2914 .parent = "verify",
d71c154c 2915 .hide = 1,
e8b0e958
JA		 2916 .category = FIO_OPT_C_IO,
2917 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2918 },
2919 {
2920 .name = "verify_backlog_batch",
e8b0e958 2921 .lname = "Verify backlog batch",
9e144189 2922 .type = FIO_OPT_INT,
a609f12a 2923 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2924 .help = "Verify this number of IO blocks",
0d29de83 2925 .parent = "verify",
d71c154c 2926 .hide = 1,
e8b0e958
JA		 2927 .category = FIO_OPT_C_IO,
2928 .group = FIO_OPT_G_VERIFY,
9e144189 2929 },
e8462bd8
JA		 2930#ifdef FIO_HAVE_CPU_AFFINITY
2931 {
2932 .name = "verify_async_cpus",
e8b0e958 2933 .lname = "Async verify CPUs",
e8462bd8
JA		 2934 .type = FIO_OPT_STR,
2935 .cb = str_verify_cpus_allowed_cb,
a609f12a 2936 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2937 .help = "Set CPUs allowed for async verify threads",
2938 .parent = "verify_async",
d71c154c 2939 .hide = 1,
e8b0e958
JA		 2940 .category = FIO_OPT_C_IO,
2941 .group = FIO_OPT_G_VERIFY,
e8462bd8 2942 },
a275c37a
JA		 2943#else
2944 {
2945 .name = "verify_async_cpus",
2946 .lname = "Async verify CPUs",
2947 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2948 .help = "Your platform does not support CPU affinities",
a275c37a 2949 },
0d29de83 2950#endif
51aa2da8
JA		 2951 {
2952 .name = "experimental_verify",
cce2fdfe 2953 .lname = "Experimental Verify",
a609f12a 2954 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2955 .type = FIO_OPT_BOOL,
b31eaac9 2956 .help = "Enable experimental verification",
ca09be4b
JA		 2957 .parent = "verify",
2958 .category = FIO_OPT_C_IO,
2959 .group = FIO_OPT_G_VERIFY,
2960 },
2961 {
2962 .name = "verify_state_load",
2963 .lname = "Load verify state",
a609f12a 2964 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 2965 .type = FIO_OPT_BOOL,
2966 .help = "Load verify termination state",
2967 .parent = "verify",
2968 .category = FIO_OPT_C_IO,
2969 .group = FIO_OPT_G_VERIFY,
2970 },
2971 {
2972 .name = "verify_state_save",
2973 .lname = "Save verify state",
a609f12a 2974 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 2975 .type = FIO_OPT_BOOL,
2976 .def = "1",
2977 .help = "Save verify state on termination",
2978 .parent = "verify",
836fcc0f
JA		 2979 .category = FIO_OPT_C_IO,
2980 .group = FIO_OPT_G_VERIFY,
51aa2da8 2981 },
0d29de83
JA		 2982#ifdef FIO_HAVE_TRIM
2983 {
2984 .name = "trim_percentage",
e8b0e958 2985 .lname = "Trim percentage",
0d29de83 2986 .type = FIO_OPT_INT,
a609f12a 2987 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 2988 .minval = 0,
0d29de83 2989 .maxval = 100,
169c098d 2990 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 2991 .parent = "verify",
2992 .def = "0",
20eb06bd 2993 .interval = 1,
d71c154c 2994 .hide = 1,
e8b0e958
JA		 2995 .category = FIO_OPT_C_IO,
2996 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2997 },
2998 {
2999 .name = "trim_verify_zero",
e8b0e958 3000 .lname = "Verify trim zero",
20eb06bd 3001 .type = FIO_OPT_BOOL,
169c098d 3002 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3003 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3004 .parent = "trim_percentage",
d71c154c 3005 .hide = 1,
0d29de83 3006 .def = "1",
e8b0e958
JA		 3007 .category = FIO_OPT_C_IO,
3008 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3009 },
3010 {
3011 .name = "trim_backlog",
e8b0e958 3012 .lname = "Trim backlog",
0d29de83 3013 .type = FIO_OPT_STR_VAL,
a609f12a 3014 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 3015 .help = "Trim after this number of blocks are written",
3016 .parent = "trim_percentage",
d71c154c 3017 .hide = 1,
20eb06bd 3018 .interval = 1,
e8b0e958
JA		 3019 .category = FIO_OPT_C_IO,
3020 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3021 },
3022 {
3023 .name = "trim_backlog_batch",
e8b0e958 3024 .lname = "Trim backlog batch",
0d29de83 3025 .type = FIO_OPT_INT,
a609f12a 3026 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 3027 .help = "Trim this number of IO blocks",
3028 .parent = "trim_percentage",
d71c154c 3029 .hide = 1,
20eb06bd 3030 .interval = 1,
e8b0e958
JA		 3031 .category = FIO_OPT_C_IO,
3032 .group = FIO_OPT_G_TRIM,
0d29de83 3033 },
a275c37a
JA		 3034#else
3035 {
3036 .name = "trim_percentage",
3037 .lname = "Trim percentage",
3038 .type = FIO_OPT_UNSUPPORTED,
3039 .help = "Fio does not support TRIM on your platform",
3040 },
3041 {
3042 .name = "trim_verify_zero",
3043 .lname = "Verify trim zero",
3044 .type = FIO_OPT_UNSUPPORTED,
3045 .help = "Fio does not support TRIM on your platform",
3046 },
3047 {
3048 .name = "trim_backlog",
3049 .lname = "Trim backlog",
3050 .type = FIO_OPT_UNSUPPORTED,
3051 .help = "Fio does not support TRIM on your platform",
3052 },
3053 {
3054 .name = "trim_backlog_batch",
3055 .lname = "Trim backlog batch",
3056 .type = FIO_OPT_UNSUPPORTED,
3057 .help = "Fio does not support TRIM on your platform",
3058 },
e8462bd8 3059#endif
214e1eca
JA		 3060 {
3061 .name = "write_iolog",
e8b0e958 3062 .lname = "Write I/O log",
214e1eca 3063 .type = FIO_OPT_STR_STORE,
a609f12a 3064 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3065 .help = "Store IO pattern to file",
e8b0e958
JA		 3066 .category = FIO_OPT_C_IO,
3067 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3068 },
3069 {
3070 .name = "read_iolog",
e8b0e958 3071 .lname = "Read I/O log",
214e1eca 3072 .type = FIO_OPT_STR_STORE,
a609f12a 3073 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3074 .help = "Playback IO pattern from file",
e8b0e958
JA		 3075 .category = FIO_OPT_C_IO,
3076 .group = FIO_OPT_G_IOLOG,
214e1eca 3077 },
64bbb865
DN		 3078 {
3079 .name = "replay_no_stall",
e8b0e958 3080 .lname = "Don't stall on replay",
20eb06bd 3081 .type = FIO_OPT_BOOL,
a609f12a 3082 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3083 .def = "0",
87e7a972 3084 .parent = "read_iolog",
d71c154c 3085 .hide = 1,
64bbb865 3086 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3087 .category = FIO_OPT_C_IO,
3088 .group = FIO_OPT_G_IOLOG,
64bbb865 3089 },
d1c46c04
DN		 3090 {
3091 .name = "replay_redirect",
e8b0e958 3092 .lname = "Redirect device for replay",
d1c46c04 3093 .type = FIO_OPT_STR_STORE,
a609f12a 3094 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3095 .parent = "read_iolog",
d71c154c 3096 .hide = 1,
d1c46c04 3097 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3098 .category = FIO_OPT_C_IO,
3099 .group = FIO_OPT_G_IOLOG,
d1c46c04 3100 },
0c63576e
JA		 3101 {
3102 .name = "replay_scale",
3103 .lname = "Replace offset scale factor",
3104 .type = FIO_OPT_INT,
a609f12a 3105 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3106 .parent = "read_iolog",
3107 .def = "1",
3108 .help = "Align offsets to this blocksize",
3109 .category = FIO_OPT_C_IO,
3110 .group = FIO_OPT_G_IOLOG,
3111 },
3112 {
3113 .name = "replay_align",
3114 .lname = "Replace alignment",
3115 .type = FIO_OPT_INT,
a609f12a 3116 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3117 .parent = "read_iolog",
3118 .help = "Scale offset down by this factor",
3119 .category = FIO_OPT_C_IO,
3120 .group = FIO_OPT_G_IOLOG,
3121 .pow2 = 1,
3122 },
214e1eca
JA		 3123 {
3124 .name = "exec_prerun",
e8b0e958 3125 .lname = "Pre-execute runnable",
214e1eca 3126 .type = FIO_OPT_STR_STORE,
a609f12a 3127 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3128 .help = "Execute this file prior to running job",
e8b0e958
JA		 3129 .category = FIO_OPT_C_GENERAL,
3130 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3131 },
3132 {
3133 .name = "exec_postrun",
e8b0e958 3134 .lname = "Post-execute runnable",
214e1eca 3135 .type = FIO_OPT_STR_STORE,
a609f12a 3136 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3137 .help = "Execute this file after running job",
e8b0e958
JA		 3138 .category = FIO_OPT_C_GENERAL,
3139 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3140 },
3141#ifdef FIO_HAVE_IOSCHED_SWITCH
3142 {
3143 .name = "ioscheduler",
e8b0e958 3144 .lname = "I/O scheduler",
214e1eca 3145 .type = FIO_OPT_STR_STORE,
a609f12a 3146 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3147 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3148 .category = FIO_OPT_C_FILE,
3149 .group = FIO_OPT_G_INVALID,
214e1eca 3150 },
a275c37a
JA		 3151#else
3152 {
3153 .name = "ioscheduler",
3154 .lname = "I/O scheduler",
3155 .type = FIO_OPT_UNSUPPORTED,
3156 .help = "Your platform does not support IO scheduler switching",
3157 },
214e1eca
JA		 3158#endif
3159 {
3160 .name = "zonesize",
e8b0e958 3161 .lname = "Zone size",
214e1eca 3162 .type = FIO_OPT_STR_VAL,
a609f12a 3163 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3164 .help = "Amount of data to read per zone",
3165 .def = "0",
20eb06bd 3166 .interval = 1024 * 1024,
e8b0e958
JA		 3167 .category = FIO_OPT_C_IO,
3168 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3169 },
3170 {
3171 .name = "zonerange",
e8b0e958 3172 .lname = "Zone range",
ed335855 3173 .type = FIO_OPT_STR_VAL,
a609f12a 3174 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3175 .help = "Give size of an IO zone",
3176 .def = "0",
20eb06bd 3177 .interval = 1024 * 1024,
e8b0e958
JA		 3178 .category = FIO_OPT_C_IO,
3179 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3180 },
3181 {
3182 .name = "zoneskip",
e8b0e958 3183 .lname = "Zone skip",
214e1eca 3184 .type = FIO_OPT_STR_VAL,
a609f12a 3185 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3186 .help = "Space between IO zones",
3187 .def = "0",
20eb06bd 3188 .interval = 1024 * 1024,
e8b0e958
JA		 3189 .category = FIO_OPT_C_IO,
3190 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3191 },
3192 {
3193 .name = "lockmem",
e8b0e958 3194 .lname = "Lock memory",
214e1eca 3195 .type = FIO_OPT_STR_VAL,
a609f12a 3196 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3197 .help = "Lock down this amount of memory (per worker)",
214e1eca 3198 .def = "0",
20eb06bd 3199 .interval = 1024 * 1024,
e8b0e958
JA		 3200 .category = FIO_OPT_C_GENERAL,
3201 .group = FIO_OPT_G_INVALID,
214e1eca 3202 },
214e1eca
JA		 3203 {
3204 .name = "rwmixread",
e8b0e958 3205 .lname = "Read/write mix read",
214e1eca 3206 .type = FIO_OPT_INT,
cb499fc4 3207 .cb = str_rwmix_read_cb,
a609f12a 3208 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3209 .maxval = 100,
3210 .help = "Percentage of mixed workload that is reads",
3211 .def = "50",
20eb06bd 3212 .interval = 5,
90265353 3213 .inverse = "rwmixwrite",
e8b0e958
JA		 3214 .category = FIO_OPT_C_IO,
3215 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3216 },
3217 {
3218 .name = "rwmixwrite",
e8b0e958 3219 .lname = "Read/write mix write",
214e1eca 3220 .type = FIO_OPT_INT,
cb499fc4 3221 .cb = str_rwmix_write_cb,
a609f12a 3222 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3223 .maxval = 100,
3224 .help = "Percentage of mixed workload that is writes",
3225 .def = "50",
20eb06bd 3226 .interval = 5,
90265353 3227 .inverse = "rwmixread",
e8b0e958
JA		 3228 .category = FIO_OPT_C_IO,
3229 .group = FIO_OPT_G_RWMIX,
214e1eca 3230 },
afdf9352
JA		 3231 {
3232 .name = "rwmixcycle",
e8b0e958 3233 .lname = "Read/write mix cycle",
15ca150e 3234 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3235 .category = FIO_OPT_C_IO,
3236 .group = FIO_OPT_G_RWMIX,
afdf9352 3237 },
214e1eca
JA		 3238 {
3239 .name = "nice",
e8b0e958 3240 .lname = "Nice",
214e1eca 3241 .type = FIO_OPT_INT,
a609f12a 3242 .off1 = offsetof(struct thread_options, nice),
214e1eca
JA		 3243 .help = "Set job CPU nice value",
3244 .minval = -19,
3245 .maxval = 20,
3246 .def = "0",
20eb06bd 3247 .interval = 1,
e8b0e958 3248 .category = FIO_OPT_C_GENERAL,
10860056 3249 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3250 },
3251#ifdef FIO_HAVE_IOPRIO
3252 {
3253 .name = "prio",
e8b0e958 3254 .lname = "I/O nice priority",
214e1eca 3255 .type = FIO_OPT_INT,
a609f12a 3256 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3257 .help = "Set job IO priority value",
1767bd34
TK		 3258 .minval = IOPRIO_MIN_PRIO,
3259 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3260 .interval = 1,
e8b0e958 3261 .category = FIO_OPT_C_GENERAL,
10860056 3262 .group = FIO_OPT_G_CRED,
214e1eca 3263 },
32ef447a
TK		 3264#else
3265 {
3266 .name = "prio",
3267 .lname = "I/O nice priority",
3268 .type = FIO_OPT_UNSUPPORTED,
3269 .help = "Your platform does not support IO priorities",
3270 },
3271#endif
3272#ifdef FIO_HAVE_IOPRIO_CLASS
3273#ifndef FIO_HAVE_IOPRIO
3274#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3275#endif
214e1eca
JA		 3276 {
3277 .name = "prioclass",
e8b0e958 3278 .lname = "I/O nice priority class",
214e1eca 3279 .type = FIO_OPT_INT,
a609f12a 3280 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3281 .help = "Set job IO priority class",
1767bd34
TK		 3282 .minval = IOPRIO_MIN_PRIO_CLASS,
3283 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3284 .interval = 1,
e8b0e958 3285 .category = FIO_OPT_C_GENERAL,
10860056 3286 .group = FIO_OPT_G_CRED,
214e1eca 3287 },
a275c37a 3288#else
a275c37a
JA		 3289 {
3290 .name = "prioclass",
3291 .lname = "I/O nice priority class",
3292 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3293 .help = "Your platform does not support IO priority classes",
a275c37a 3294 },
214e1eca
JA		 3295#endif
3296 {
3297 .name = "thinktime",
e8b0e958 3298 .lname = "Thinktime",
214e1eca 3299 .type = FIO_OPT_INT,
a609f12a 3300 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3301 .help = "Idle time between IO buffers (usec)",
3302 .def = "0",
88038bc7 3303 .is_time = 1,
e8b0e958 3304 .category = FIO_OPT_C_IO,
3ceb458f 3305 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3306 },
3307 {
3308 .name = "thinktime_spin",
e8b0e958 3309 .lname = "Thinktime spin",
214e1eca 3310 .type = FIO_OPT_INT,
a609f12a 3311 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3312 .help = "Start think time by spinning this amount (usec)",
3313 .def = "0",
88038bc7 3314 .is_time = 1,
afdf9352 3315 .parent = "thinktime",
d71c154c 3316 .hide = 1,
e8b0e958 3317 .category = FIO_OPT_C_IO,
3ceb458f 3318 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3319 },
3320 {
3321 .name = "thinktime_blocks",
e8b0e958 3322 .lname = "Thinktime blocks",
214e1eca 3323 .type = FIO_OPT_INT,
a609f12a 3324 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3325 .help = "IO buffer period between 'thinktime'",
3326 .def = "1",
afdf9352 3327 .parent = "thinktime",
d71c154c 3328 .hide = 1,
e8b0e958 3329 .category = FIO_OPT_C_IO,
3ceb458f 3330 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3331 },
3332 {
3333 .name = "rate",
e8b0e958 3334 .lname = "I/O rate",
e01b22b8 3335 .type = FIO_OPT_INT,
a609f12a
JA		 3336 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3337 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3338 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3339 .help = "Set bandwidth rate",
e8b0e958
JA		 3340 .category = FIO_OPT_C_IO,
3341 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3342 },
3343 {
6d428bcd
JA		 3344 .name = "rate_min",
3345 .alias = "ratemin",
e8b0e958 3346 .lname = "I/O min rate",
e01b22b8 3347 .type = FIO_OPT_INT,
a609f12a
JA		 3348 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3349 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3350 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3351 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3352 .parent = "rate",
d71c154c 3353 .hide = 1,
e8b0e958
JA		 3354 .category = FIO_OPT_C_IO,
3355 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3356 },
3357 {
3358 .name = "rate_iops",
e8b0e958 3359 .lname = "I/O rate IOPS",
e01b22b8 3360 .type = FIO_OPT_INT,
a609f12a
JA		 3361 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3362 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3363 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3364 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3365 .hide = 1,
e8b0e958
JA		 3366 .category = FIO_OPT_C_IO,
3367 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3368 },
3369 {
3370 .name = "rate_iops_min",
e8b0e958 3371 .lname = "I/O min rate IOPS",
e01b22b8 3372 .type = FIO_OPT_INT,
a609f12a
JA		 3373 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3374 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3375 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3376 .help = "Job must meet this rate or it will be shut down",
afdf9352 3377 .parent = "rate_iops",
d71c154c 3378 .hide = 1,
e8b0e958
JA		 3379 .category = FIO_OPT_C_IO,
3380 .group = FIO_OPT_G_RATE,
214e1eca 3381 },
ff6bb260 3382 {
6de65959
JA		 3383 .name = "rate_process",
3384 .lname = "Rate Process",
3385 .type = FIO_OPT_STR,
a609f12a 3386 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3387 .help = "What process controls how rated IO is managed",
3388 .def = "linear",
ff6bb260
SL		 3389 .category = FIO_OPT_C_IO,
3390 .group = FIO_OPT_G_RATE,
6de65959
JA		 3391 .posval = {
3392 { .ival = "linear",
3393 .oval = RATE_PROCESS_LINEAR,
3394 .help = "Linear rate of IO",
3395 },
3396 {
3397 .ival = "poisson",
3398 .oval = RATE_PROCESS_POISSON,
3399 .help = "Rate follows Poisson process",
3400 },
3401 },
3402 .parent = "rate",
ff6bb260 3403 },
214e1eca 3404 {
6d428bcd
JA		 3405 .name = "rate_cycle",
3406 .alias = "ratecycle",
e8b0e958 3407 .lname = "I/O rate cycle",
214e1eca 3408 .type = FIO_OPT_INT,
a609f12a 3409 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3410 .help = "Window average for rate limits (msec)",
3411 .def = "1000",
afdf9352 3412 .parent = "rate",
d71c154c 3413 .hide = 1,
e8b0e958
JA		 3414 .category = FIO_OPT_C_IO,
3415 .group = FIO_OPT_G_RATE,
214e1eca 3416 },
15501535
JA		 3417 {
3418 .name = "max_latency",
cce2fdfe 3419 .lname = "Max Latency",
15501535 3420 .type = FIO_OPT_INT,
a609f12a 3421 .off1 = offsetof(struct thread_options, max_latency),
15501535 3422 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3423 .is_time = 1,
1e5324e7 3424 .category = FIO_OPT_C_IO,
3e260a46
JA		 3425 .group = FIO_OPT_G_LATPROF,
3426 },
3427 {
3428 .name = "latency_target",
3429 .lname = "Latency Target (usec)",
3430 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3431 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3432 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3433 .is_time = 1,
3e260a46
JA		 3434 .category = FIO_OPT_C_IO,
3435 .group = FIO_OPT_G_LATPROF,
3436 },
3437 {
3438 .name = "latency_window",
3439 .lname = "Latency Window (usec)",
3440 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3441 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3442 .help = "Time to sustain latency_target",
88038bc7 3443 .is_time = 1,
3e260a46
JA		 3444 .category = FIO_OPT_C_IO,
3445 .group = FIO_OPT_G_LATPROF,
3446 },
3447 {
3448 .name = "latency_percentile",
3449 .lname = "Latency Percentile",
3450 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3451 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3452 .help = "Percentile of IOs must be below latency_target",
3453 .def = "100",
3454 .maxlen = 1,
3455 .minfp = 0.0,
3456 .maxfp = 100.0,
3457 .category = FIO_OPT_C_IO,
3458 .group = FIO_OPT_G_LATPROF,
15501535 3459 },
214e1eca
JA		 3460 {
3461 .name = "invalidate",
e8b0e958 3462 .lname = "Cache invalidate",
214e1eca 3463 .type = FIO_OPT_BOOL,
a609f12a 3464 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3465 .help = "Invalidate buffer/page cache prior to running job",
3466 .def = "1",
e8b0e958 3467 .category = FIO_OPT_C_IO,
3ceb458f 3468 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3469 },
3470 {
3471 .name = "sync",
e8b0e958 3472 .lname = "Synchronous I/O",
214e1eca 3473 .type = FIO_OPT_BOOL,
a609f12a 3474 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3475 .help = "Use O_SYNC for buffered writes",
3476 .def = "0",
67a1000f 3477 .parent = "buffered",
d71c154c 3478 .hide = 1,
e8b0e958 3479 .category = FIO_OPT_C_IO,
3ceb458f 3480 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3481 },
ae8e559e
JA		 3482#ifdef FIO_HAVE_WRITE_HINT
3483 {
3484 .name = "write_hint",
3485 .lname = "Write hint",
3486 .type = FIO_OPT_STR,
3487 .off1 = offsetof(struct thread_options, write_hint),
3488 .help = "Set expected write life time",
3489 .category = FIO_OPT_C_ENGINE,
3490 .group = FIO_OPT_G_INVALID,
3491 .posval = {
3492 { .ival = "none",
3493 .oval = RWH_WRITE_LIFE_NONE,
3494 },
3495 { .ival = "short",
3496 .oval = RWH_WRITE_LIFE_SHORT,
3497 },
3498 { .ival = "medium",
3499 .oval = RWH_WRITE_LIFE_MEDIUM,
3500 },
3501 { .ival = "long",
3502 .oval = RWH_WRITE_LIFE_LONG,
3503 },
3504 { .ival = "extreme",
3505 .oval = RWH_WRITE_LIFE_EXTREME,
3506 },
3507 },
3508 },
3509#endif
214e1eca
JA		 3510 {
3511 .name = "create_serialize",
e8b0e958 3512 .lname = "Create serialize",
214e1eca 3513 .type = FIO_OPT_BOOL,
a609f12a 3514 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3515 .help = "Serialize creation of job files",
214e1eca 3516 .def = "1",
e8b0e958
JA		 3517 .category = FIO_OPT_C_FILE,
3518 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3519 },
3520 {
3521 .name = "create_fsync",
e8b0e958 3522 .lname = "Create fsync",
214e1eca 3523 .type = FIO_OPT_BOOL,
a609f12a 3524 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3525 .help = "fsync file after creation",
214e1eca 3526 .def = "1",
e8b0e958
JA		 3527 .category = FIO_OPT_C_FILE,
3528 .group = FIO_OPT_G_INVALID,
214e1eca 3529 },
814452bd
JA		 3530 {
3531 .name = "create_on_open",
e8b0e958 3532 .lname = "Create on open",
814452bd 3533 .type = FIO_OPT_BOOL,
a609f12a 3534 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3535 .help = "Create files when they are opened for IO",
3536 .def = "0",
e8b0e958
JA		 3537 .category = FIO_OPT_C_FILE,
3538 .group = FIO_OPT_G_INVALID,
814452bd 3539 },
25460cf6
JA		 3540 {
3541 .name = "create_only",
cce2fdfe 3542 .lname = "Create Only",
25460cf6 3543 .type = FIO_OPT_BOOL,
a609f12a 3544 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3545 .help = "Only perform file creation phase",
d17fda71 3546 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3547 .def = "0",
3548 },
2378826d
JA		 3549 {
3550 .name = "allow_file_create",
e81ecca3 3551 .lname = "Allow file create",
2378826d 3552 .type = FIO_OPT_BOOL,
a609f12a 3553 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3554 .help = "Permit fio to create files, if they don't exist",
3555 .def = "1",
3556 .category = FIO_OPT_C_FILE,
3557 .group = FIO_OPT_G_FILENAME,
3558 },
e81ecca3
JA		 3559 {
3560 .name = "allow_mounted_write",
3561 .lname = "Allow mounted write",
3562 .type = FIO_OPT_BOOL,
a609f12a 3563 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3564 .help = "Allow writes to a mounted partition",
3565 .def = "0",
3566 .category = FIO_OPT_C_FILE,
3567 .group = FIO_OPT_G_FILENAME,
3568 },
0b9d69ec 3569 {
afad68f7 3570 .name = "pre_read",
e8b0e958 3571 .lname = "Pre-read files",
afad68f7 3572 .type = FIO_OPT_BOOL,
a609f12a 3573 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3574 .help = "Pre-read files before starting official testing",
afad68f7 3575 .def = "0",
e8b0e958
JA		 3576 .category = FIO_OPT_C_FILE,
3577 .group = FIO_OPT_G_INVALID,
afad68f7 3578 },
214e1eca
JA		 3579#ifdef FIO_HAVE_CPU_AFFINITY
3580 {
3581 .name = "cpumask",
e8b0e958 3582 .lname = "CPU mask",
214e1eca
JA		 3583 .type = FIO_OPT_INT,
3584 .cb = str_cpumask_cb,
a609f12a 3585 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3586 .help = "CPU affinity mask",
e8b0e958 3587 .category = FIO_OPT_C_GENERAL,
10860056 3588 .group = FIO_OPT_G_CRED,
214e1eca 3589 },
d2e268b0
JA		 3590 {
3591 .name = "cpus_allowed",
e8b0e958 3592 .lname = "CPUs allowed",
d2e268b0
JA		 3593 .type = FIO_OPT_STR,
3594 .cb = str_cpus_allowed_cb,
a609f12a 3595 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3596 .help = "Set CPUs allowed",
e8b0e958 3597 .category = FIO_OPT_C_GENERAL,
10860056 3598 .group = FIO_OPT_G_CRED,
d2e268b0 3599 },
c2acfbac
JA		 3600 {
3601 .name = "cpus_allowed_policy",
3602 .lname = "CPUs allowed distribution policy",
3603 .type = FIO_OPT_STR,
a609f12a 3604 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3605 .help = "Distribution policy for cpus_allowed",
3606 .parent = "cpus_allowed",
3607 .prio = 1,
3608 .posval = {
3609 { .ival = "shared",
3610 .oval = FIO_CPUS_SHARED,
3611 .help = "Mask shared between threads",
3612 },
3613 { .ival = "split",
3614 .oval = FIO_CPUS_SPLIT,
3615 .help = "Mask split between threads",
3616 },
3617 },
3618 .category = FIO_OPT_C_GENERAL,
3619 .group = FIO_OPT_G_CRED,
3620 },
a275c37a
JA		 3621#else
3622 {
3623 .name = "cpumask",
3624 .lname = "CPU mask",
3625 .type = FIO_OPT_UNSUPPORTED,
3626 .help = "Your platform does not support CPU affinities",
3627 },
3628 {
3629 .name = "cpus_allowed",
3630 .lname = "CPUs allowed",
3631 .type = FIO_OPT_UNSUPPORTED,
3632 .help = "Your platform does not support CPU affinities",
3633 },
3634 {
3635 .name = "cpus_allowed_policy",
3636 .lname = "CPUs allowed distribution policy",
3637 .type = FIO_OPT_UNSUPPORTED,
3638 .help = "Your platform does not support CPU affinities",
3639 },
d0b937ed 3640#endif
67bf9823 3641#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3642 {
3643 .name = "numa_cpu_nodes",
cce2fdfe 3644 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3645 .type = FIO_OPT_STR,
3646 .cb = str_numa_cpunodes_cb,
a609f12a 3647 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3648 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3649 .category = FIO_OPT_C_GENERAL,
3650 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3651 },
3652 {
3653 .name = "numa_mem_policy",
cce2fdfe 3654 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3655 .type = FIO_OPT_STR,
3656 .cb = str_numa_mpol_cb,
a609f12a 3657 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3658 .help = "NUMA memory policy setup",
6be54b2d
JA		 3659 .category = FIO_OPT_C_GENERAL,
3660 .group = FIO_OPT_G_INVALID,
d0b937ed 3661 },
a275c37a
JA		 3662#else
3663 {
3664 .name = "numa_cpu_nodes",
3665 .lname = "NUMA CPU Nodes",
3666 .type = FIO_OPT_UNSUPPORTED,
3667 .help = "Build fio with libnuma-dev(el) to enable this option",
3668 },
3669 {
3670 .name = "numa_mem_policy",
3671 .lname = "NUMA Memory Policy",
3672 .type = FIO_OPT_UNSUPPORTED,
3673 .help = "Build fio with libnuma-dev(el) to enable this option",
3674 },
03553853
YR		 3675#endif
3676#ifdef CONFIG_CUDA
3677 {
3678 .name = "gpu_dev_id",
3679 .lname = "GPU device ID",
3680 .type = FIO_OPT_INT,
3681 .off1 = offsetof(struct thread_options, gpu_dev_id),
3682 .help = "Set GPU device ID for GPUDirect RDMA",
3683 .def = "0",
3684 .category = FIO_OPT_C_GENERAL,
3685 .group = FIO_OPT_G_INVALID,
3686 },
214e1eca
JA		 3687#endif
3688 {
3689 .name = "end_fsync",
e8b0e958 3690 .lname = "End fsync",
214e1eca 3691 .type = FIO_OPT_BOOL,
a609f12a 3692 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3693 .help = "Include fsync at the end of job",
3694 .def = "0",
e8b0e958
JA		 3695 .category = FIO_OPT_C_FILE,
3696 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3697 },
3698 {
3699 .name = "fsync_on_close",
e8b0e958 3700 .lname = "Fsync on close",
214e1eca 3701 .type = FIO_OPT_BOOL,
a609f12a 3702 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3703 .help = "fsync files on close",
3704 .def = "0",
e8b0e958
JA		 3705 .category = FIO_OPT_C_FILE,
3706 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3707 },
3708 {
3709 .name = "unlink",
e8b0e958 3710 .lname = "Unlink file",
214e1eca 3711 .type = FIO_OPT_BOOL,
a609f12a 3712 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3713 .help = "Unlink created files after job has completed",
3714 .def = "0",
e8b0e958
JA		 3715 .category = FIO_OPT_C_FILE,
3716 .group = FIO_OPT_G_INVALID,
214e1eca 3717 },
39c1c323 3718 {
3719 .name = "unlink_each_loop",
3720 .lname = "Unlink file after each loop of a job",
3721 .type = FIO_OPT_BOOL,
a609f12a 3722 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3723 .help = "Unlink created files after each loop in a job has completed",
3724 .def = "0",
3725 .category = FIO_OPT_C_FILE,
3726 .group = FIO_OPT_G_INVALID,
3727 },
214e1eca
JA		 3728 {
3729 .name = "exitall",
e8b0e958 3730 .lname = "Exit-all on terminate",
214e1eca
JA		 3731 .type = FIO_OPT_STR_SET,
3732 .cb = str_exitall_cb,
3733 .help = "Terminate all jobs when one exits",
e8b0e958 3734 .category = FIO_OPT_C_GENERAL,
a1f6afec 3735 .group = FIO_OPT_G_PROCESS,
214e1eca 3736 },
f9cafb12
JA		 3737 {
3738 .name = "exitall_on_error",
3739 .lname = "Exit-all on terminate in error",
78abcf9b 3740 .type = FIO_OPT_STR_SET,
a609f12a 3741 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3742 .help = "Terminate all jobs when one exits in error",
3743 .category = FIO_OPT_C_GENERAL,
3744 .group = FIO_OPT_G_PROCESS,
3745 },
214e1eca
JA		 3746 {
3747 .name = "stonewall",
e8b0e958 3748 .lname = "Wait for previous",
d392365e 3749 .alias = "wait_for_previous",
214e1eca 3750 .type = FIO_OPT_STR_SET,
a609f12a 3751 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3752 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3753 .category = FIO_OPT_C_GENERAL,
a1f6afec 3754 .group = FIO_OPT_G_PROCESS,
214e1eca 3755 },
b3d62a75
JA		 3756 {
3757 .name = "new_group",
e8b0e958 3758 .lname = "New group",
b3d62a75 3759 .type = FIO_OPT_STR_SET,
a609f12a 3760 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3761 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3762 .category = FIO_OPT_C_GENERAL,
a1f6afec 3763 .group = FIO_OPT_G_PROCESS,
b3d62a75 3764 },
214e1eca
JA		 3765 {
3766 .name = "thread",
e8b0e958 3767 .lname = "Thread",
214e1eca 3768 .type = FIO_OPT_STR_SET,
a609f12a 3769 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3770 .help = "Use threads instead of processes",
c8931876
JA		 3771#ifdef CONFIG_NO_SHM
3772 .def = "1",
3773 .no_warn_def = 1,
3774#endif
e8b0e958 3775 .category = FIO_OPT_C_GENERAL,
a1f6afec 3776 .group = FIO_OPT_G_PROCESS,
214e1eca 3777 },
3a5db920
JA		 3778 {
3779 .name = "per_job_logs",
cce2fdfe 3780 .lname = "Per Job Logs",
3a5db920 3781 .type = FIO_OPT_BOOL,
a609f12a 3782 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3783 .help = "Include job number in generated log files or not",
3784 .def = "1",
3785 .category = FIO_OPT_C_LOG,
3786 .group = FIO_OPT_G_INVALID,
3787 },
214e1eca
JA		 3788 {
3789 .name = "write_bw_log",
e8b0e958 3790 .lname = "Write bandwidth log",
dded427c 3791 .type = FIO_OPT_STR,
a609f12a 3792 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3793 .cb = str_write_bw_log_cb,
214e1eca 3794 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3795 .category = FIO_OPT_C_LOG,
3796 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3797 },
3798 {
3799 .name = "write_lat_log",
e8b0e958 3800 .lname = "Write latency log",
dded427c 3801 .type = FIO_OPT_STR,
a609f12a 3802 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3803 .cb = str_write_lat_log_cb,
214e1eca 3804 .help = "Write log of latency during run",
e8b0e958
JA		 3805 .category = FIO_OPT_C_LOG,
3806 .group = FIO_OPT_G_INVALID,
214e1eca 3807 },
c8eeb9df
JA		 3808 {
3809 .name = "write_iops_log",
e8b0e958 3810 .lname = "Write IOPS log",
dded427c 3811 .type = FIO_OPT_STR,
a609f12a 3812 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3813 .cb = str_write_iops_log_cb,
c8eeb9df 3814 .help = "Write log of IOPS during run",
e8b0e958
JA		 3815 .category = FIO_OPT_C_LOG,
3816 .group = FIO_OPT_G_INVALID,
c8eeb9df 3817 },
b8bc8cba
JA		 3818 {
3819 .name = "log_avg_msec",
e8b0e958 3820 .lname = "Log averaging (msec)",
b8bc8cba 3821 .type = FIO_OPT_INT,
a609f12a 3822 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3823 .help = "Average bw/iops/lat logs over this period of time",
3824 .def = "0",
e8b0e958 3825 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3826 .group = FIO_OPT_G_INVALID,
3827 },
3828 {
3829 .name = "log_hist_msec",
3830 .lname = "Log histograms (msec)",
3831 .type = FIO_OPT_INT,
a609f12a 3832 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3833 .help = "Dump completion latency histograms at frequency of this time value",
3834 .def = "0",
3835 .category = FIO_OPT_C_LOG,
3836 .group = FIO_OPT_G_INVALID,
3837 },
3838 {
3839 .name = "log_hist_coarseness",
3840 .lname = "Histogram logs coarseness",
3841 .type = FIO_OPT_INT,
a609f12a 3842 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3843 .help = "Integer in range [0,6]. Higher coarseness outputs"
3844 " fewer histogram bins per sample. The number of bins for"
3845 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3846 .def = "0",
3847 .category = FIO_OPT_C_LOG,
3848 .group = FIO_OPT_G_INVALID,
3849 },
3850 {
3851 .name = "write_hist_log",
3852 .lname = "Write latency histogram logs",
dded427c 3853 .type = FIO_OPT_STR,
a609f12a 3854 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3855 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3856 .help = "Write log of latency histograms during run",
3857 .category = FIO_OPT_C_LOG,
e8b0e958 3858 .group = FIO_OPT_G_INVALID,
b8bc8cba 3859 },
e6989e10
JA		 3860 {
3861 .name = "log_max_value",
3862 .lname = "Log maximum instead of average",
3863 .type = FIO_OPT_BOOL,
a609f12a 3864 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3865 .help = "Log max sample in a window instead of average",
3866 .def = "0",
3867 .category = FIO_OPT_C_LOG,
3868 .group = FIO_OPT_G_INVALID,
3869 },
ae588852
JA		 3870 {
3871 .name = "log_offset",
3872 .lname = "Log offset of IO",
3873 .type = FIO_OPT_BOOL,
a609f12a 3874 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3875 .help = "Include offset of IO for each log entry",
3876 .def = "0",
3877 .category = FIO_OPT_C_LOG,
3878 .group = FIO_OPT_G_INVALID,
3879 },
aee2ab67
JA		 3880#ifdef CONFIG_ZLIB
3881 {
3882 .name = "log_compression",
3883 .lname = "Log compression",
3884 .type = FIO_OPT_INT,
a609f12a 3885 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3886 .help = "Log in compressed chunks of this size",
9919b27b 3887 .minval = 1024ULL,
aee2ab67
JA		 3888 .maxval = 512 * 1024 * 1024ULL,
3889 .category = FIO_OPT_C_LOG,
3890 .group = FIO_OPT_G_INVALID,
3891 },
c08f9fe2
JA		 3892#ifdef FIO_HAVE_CPU_AFFINITY
3893 {
3894 .name = "log_compression_cpus",
3895 .lname = "Log Compression CPUs",
3896 .type = FIO_OPT_STR,
3897 .cb = str_log_cpus_allowed_cb,
a609f12a 3898 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 3899 .parent = "log_compression",
3900 .help = "Limit log compression to these CPUs",
3901 .category = FIO_OPT_C_LOG,
3902 .group = FIO_OPT_G_INVALID,
3903 },
a275c37a
JA		 3904#else
3905 {
3906 .name = "log_compression_cpus",
3907 .lname = "Log Compression CPUs",
3908 .type = FIO_OPT_UNSUPPORTED,
3909 .help = "Your platform does not support CPU affinities",
3910 },
c08f9fe2 3911#endif
b26317c9
JA		 3912 {
3913 .name = "log_store_compressed",
3914 .lname = "Log store compressed",
3915 .type = FIO_OPT_BOOL,
a609f12a 3916 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 3917 .help = "Store logs in a compressed format",
3918 .category = FIO_OPT_C_LOG,
3919 .group = FIO_OPT_G_INVALID,
3920 },
a275c37a
JA		 3921#else
3922 {
3923 .name = "log_compression",
3924 .lname = "Log compression",
3925 .type = FIO_OPT_UNSUPPORTED,
3926 .help = "Install libz-dev(el) to get compression support",
3927 },
3928 {
3929 .name = "log_store_compressed",
3930 .lname = "Log store compressed",
3931 .type = FIO_OPT_UNSUPPORTED,
3932 .help = "Install libz-dev(el) to get compression support",
3933 },
aee2ab67 3934#endif
3aea75b1
KC		 3935 {
3936 .name = "log_unix_epoch",
3937 .lname = "Log epoch unix",
3938 .type = FIO_OPT_BOOL,
3939 .off1 = offsetof(struct thread_options, log_unix_epoch),
3940 .help = "Use Unix time in log files",
3941 .category = FIO_OPT_C_LOG,
3942 .group = FIO_OPT_G_INVALID,
3943 },
66347cfa
DE		 3944 {
3945 .name = "block_error_percentiles",
3946 .lname = "Block error percentiles",
3947 .type = FIO_OPT_BOOL,
a609f12a 3948 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 3949 .help = "Record trim block errors and make a histogram",
3950 .def = "0",
3951 .category = FIO_OPT_C_LOG,
3952 .group = FIO_OPT_G_INVALID,
3953 },
c504ee55
JA		 3954 {
3955 .name = "bwavgtime",
3956 .lname = "Bandwidth average time",
3957 .type = FIO_OPT_INT,
a609f12a 3958 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 3959 .help = "Time window over which to calculate bandwidth"
3960 " (msec)",
3961 .def = "500",
3962 .parent = "write_bw_log",
3963 .hide = 1,
3964 .interval = 100,
3965 .category = FIO_OPT_C_LOG,
3966 .group = FIO_OPT_G_INVALID,
3967 },
3968 {
3969 .name = "iopsavgtime",
3970 .lname = "IOPS average time",
3971 .type = FIO_OPT_INT,
a609f12a 3972 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 3973 .help = "Time window over which to calculate IOPS (msec)",
3974 .def = "500",
3975 .parent = "write_iops_log",
3976 .hide = 1,
3977 .interval = 100,
3978 .category = FIO_OPT_C_LOG,
3979 .group = FIO_OPT_G_INVALID,
3980 },
214e1eca
JA		 3981 {
3982 .name = "group_reporting",
e8b0e958 3983 .lname = "Group reporting",
d2507043 3984 .type = FIO_OPT_STR_SET,
a609f12a 3985 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 3986 .help = "Do reporting on a per-group basis",
10860056 3987 .category = FIO_OPT_C_STAT,
e8b0e958 3988 .group = FIO_OPT_G_INVALID,
214e1eca 3989 },
8243be59
JA		 3990 {
3991 .name = "stats",
3992 .lname = "Stats",
3993 .type = FIO_OPT_BOOL,
3994 .off1 = offsetof(struct thread_options, stats),
3995 .help = "Enable collection of stats",
3996 .def = "1",
3997 .category = FIO_OPT_C_STAT,
3998 .group = FIO_OPT_G_INVALID,
3999 },
e9459e5a
JA		 4000 {
4001 .name = "zero_buffers",
e8b0e958 4002 .lname = "Zero I/O buffers",
e9459e5a 4003 .type = FIO_OPT_STR_SET,
a609f12a 4004 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4005 .help = "Init IO buffers to all zeroes",
e8b0e958 4006 .category = FIO_OPT_C_IO,
3ceb458f 4007 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4008 },
5973cafb
JA		 4009 {
4010 .name = "refill_buffers",
e8b0e958 4011 .lname = "Refill I/O buffers",
5973cafb 4012 .type = FIO_OPT_STR_SET,
a609f12a 4013 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4014 .help = "Refill IO buffers on every IO submit",
e8b0e958 4015 .category = FIO_OPT_C_IO,
3ceb458f 4016 .group = FIO_OPT_G_IO_BUF,
5973cafb 4017 },
fd68418e
JA		 4018 {
4019 .name = "scramble_buffers",
e8b0e958 4020 .lname = "Scramble I/O buffers",
fd68418e 4021 .type = FIO_OPT_BOOL,
a609f12a 4022 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4023 .help = "Slightly scramble buffers on every IO submit",
4024 .def = "1",
e8b0e958 4025 .category = FIO_OPT_C_IO,
3ceb458f 4026 .group = FIO_OPT_G_IO_BUF,
fd68418e 4027 },
ce35b1ec
JA		 4028 {
4029 .name = "buffer_pattern",
4030 .lname = "Buffer pattern",
4031 .type = FIO_OPT_STR,
4032 .cb = str_buffer_pattern_cb,
a609f12a 4033 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4034 .help = "Fill pattern for IO buffers",
4035 .category = FIO_OPT_C_IO,
4036 .group = FIO_OPT_G_IO_BUF,
4037 },
9c42684e
JA		 4038 {
4039 .name = "buffer_compress_percentage",
e8b0e958 4040 .lname = "Buffer compression percentage",
9c42684e 4041 .type = FIO_OPT_INT,
bedc9dc2 4042 .cb = str_buffer_compress_cb,
a609f12a 4043 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4044 .maxval = 100,
e7f5de90 4045 .minval = 0,
9c42684e 4046 .help = "How compressible the buffer is (approximately)",
20eb06bd 4047 .interval = 5,
e8b0e958 4048 .category = FIO_OPT_C_IO,
3ceb458f 4049 .group = FIO_OPT_G_IO_BUF,
9c42684e 4050 },
f97a43a1
JA		 4051 {
4052 .name = "buffer_compress_chunk",
e8b0e958 4053 .lname = "Buffer compression chunk size",
f97a43a1 4054 .type = FIO_OPT_INT,
a609f12a 4055 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4056 .parent = "buffer_compress_percentage",
d71c154c 4057 .hide = 1,
f97a43a1 4058 .help = "Size of compressible region in buffer",
20eb06bd 4059 .interval = 256,
e8b0e958 4060 .category = FIO_OPT_C_IO,
3ceb458f 4061 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4062 },
5c94b008
JA		 4063 {
4064 .name = "dedupe_percentage",
4065 .lname = "Dedupe percentage",
4066 .type = FIO_OPT_INT,
4067 .cb = str_dedupe_cb,
a609f12a 4068 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4069 .maxval = 100,
4070 .minval = 0,
4071 .help = "Percentage of buffers that are dedupable",
4072 .interval = 1,
4073 .category = FIO_OPT_C_IO,
4074 .group = FIO_OPT_G_IO_BUF,
4075 },
83349190
YH		 4076 {
4077 .name = "clat_percentiles",
e8b0e958 4078 .lname = "Completion latency percentiles",
83349190 4079 .type = FIO_OPT_BOOL,
a609f12a 4080 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4081 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4082 .def = "1",
b599759b
JA		 4083 .inverse = "lat_percentiles",
4084 .category = FIO_OPT_C_STAT,
4085 .group = FIO_OPT_G_INVALID,
4086 },
4087 {
4088 .name = "lat_percentiles",
4089 .lname = "IO latency percentiles",
4090 .type = FIO_OPT_BOOL,
4091 .off1 = offsetof(struct thread_options, lat_percentiles),
4092 .help = "Enable the reporting of IO latency percentiles",
4093 .def = "0",
4094 .inverse = "clat_percentiles",
e8b0e958
JA		 4095 .category = FIO_OPT_C_STAT,
4096 .group = FIO_OPT_G_INVALID,
83349190
YH		 4097 },
4098 {
4099 .name = "percentile_list",
66347cfa 4100 .lname = "Percentile list",
83349190 4101 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4102 .off1 = offsetof(struct thread_options, percentile_list),
4103 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4104 .help = "Specify a custom list of percentiles to report for "
4105 "completion latency and block errors",
fd112d34 4106 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4107 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4108 .minfp = 0.0,
4109 .maxfp = 100.0,
e8b0e958
JA		 4110 .category = FIO_OPT_C_STAT,
4111 .group = FIO_OPT_G_INVALID,
83349190
YH		 4112 },
4113
0a839f30
JA		 4114#ifdef FIO_HAVE_DISK_UTIL
4115 {
4116 .name = "disk_util",
e8b0e958 4117 .lname = "Disk utilization",
0a839f30 4118 .type = FIO_OPT_BOOL,
a609f12a 4119 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4120 .help = "Log disk utilization statistics",
0a839f30 4121 .def = "1",
e8b0e958
JA		 4122 .category = FIO_OPT_C_STAT,
4123 .group = FIO_OPT_G_INVALID,
0a839f30 4124 },
a275c37a
JA		 4125#else
4126 {
4127 .name = "disk_util",
4128 .lname = "Disk utilization",
4129 .type = FIO_OPT_UNSUPPORTED,
4130 .help = "Your platform does not support disk utilization",
4131 },
0a839f30 4132#endif
993bf48b
JA		 4133 {
4134 .name = "gtod_reduce",
e8b0e958 4135 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4136 .type = FIO_OPT_BOOL,
4137 .help = "Greatly reduce number of gettimeofday() calls",
4138 .cb = str_gtod_reduce_cb,
4139 .def = "0",
a4ed77fe 4140 .hide_on_set = 1,
e8b0e958
JA		 4141 .category = FIO_OPT_C_STAT,
4142 .group = FIO_OPT_G_INVALID,
993bf48b 4143 },
02af0988
JA		 4144 {
4145 .name = "disable_lat",
e8b0e958 4146 .lname = "Disable all latency stats",
02af0988 4147 .type = FIO_OPT_BOOL,
a609f12a 4148 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4149 .help = "Disable latency numbers",
4150 .parent = "gtod_reduce",
d71c154c 4151 .hide = 1,
02af0988 4152 .def = "0",
e8b0e958
JA		 4153 .category = FIO_OPT_C_STAT,
4154 .group = FIO_OPT_G_INVALID,
02af0988 4155 },
9520ebb9
JA		 4156 {
4157 .name = "disable_clat",
e8b0e958 4158 .lname = "Disable completion latency stats",
9520ebb9 4159 .type = FIO_OPT_BOOL,
a609f12a 4160 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4161 .help = "Disable completion latency numbers",
993bf48b 4162 .parent = "gtod_reduce",
d71c154c 4163 .hide = 1,
9520ebb9 4164 .def = "0",
e8b0e958
JA		 4165 .category = FIO_OPT_C_STAT,
4166 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4167 },
4168 {
4169 .name = "disable_slat",
e8b0e958 4170 .lname = "Disable submission latency stats",
9520ebb9 4171 .type = FIO_OPT_BOOL,
a609f12a 4172 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4173 .help = "Disable submission latency numbers",
993bf48b 4174 .parent = "gtod_reduce",
d71c154c 4175 .hide = 1,
9520ebb9 4176 .def = "0",
e8b0e958
JA		 4177 .category = FIO_OPT_C_STAT,
4178 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4179 },
4180 {
4181 .name = "disable_bw_measurement",
afd2ceff 4182 .alias = "disable_bw",
e8b0e958 4183 .lname = "Disable bandwidth stats",
9520ebb9 4184 .type = FIO_OPT_BOOL,
a609f12a 4185 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4186 .help = "Disable bandwidth logging",
993bf48b 4187 .parent = "gtod_reduce",
d71c154c 4188 .hide = 1,
9520ebb9 4189 .def = "0",
e8b0e958
JA		 4190 .category = FIO_OPT_C_STAT,
4191 .group = FIO_OPT_G_INVALID,
9520ebb9 4192 },
be4ecfdf
JA		 4193 {
4194 .name = "gtod_cpu",
e8b0e958 4195 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4196 .type = FIO_OPT_INT,
a609f12a 4197 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4198 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4199 .verify = gtod_cpu_verify,
e8b0e958 4200 .category = FIO_OPT_C_GENERAL,
10860056 4201 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4202 },
771e58be
JA		 4203 {
4204 .name = "unified_rw_reporting",
cce2fdfe 4205 .lname = "Unified RW Reporting",
771e58be 4206 .type = FIO_OPT_BOOL,
a609f12a 4207 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4208 .help = "Unify reporting across data direction",
4209 .def = "0",
90b7a96d
JA		 4210 .category = FIO_OPT_C_GENERAL,
4211 .group = FIO_OPT_G_INVALID,
771e58be 4212 },
f2bba182
RR		 4213 {
4214 .name = "continue_on_error",
e8b0e958 4215 .lname = "Continue on error",
06842027 4216 .type = FIO_OPT_STR,
a609f12a 4217 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4218 .help = "Continue on non-fatal errors during IO",
06842027 4219 .def = "none",
e8b0e958 4220 .category = FIO_OPT_C_GENERAL,
bc3f552f 4221 .group = FIO_OPT_G_ERR,
06842027
SL		 4222 .posval = {
4223 { .ival = "none",
4224 .oval = ERROR_TYPE_NONE,
4225 .help = "Exit when an error is encountered",
4226 },
4227 { .ival = "read",
4228 .oval = ERROR_TYPE_READ,
4229 .help = "Continue on read errors only",
4230 },
4231 { .ival = "write",
4232 .oval = ERROR_TYPE_WRITE,
4233 .help = "Continue on write errors only",
4234 },
4235 { .ival = "io",
4236 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4237 .help = "Continue on any IO errors",
4238 },
4239 { .ival = "verify",
4240 .oval = ERROR_TYPE_VERIFY,
4241 .help = "Continue on verify errors only",
4242 },
4243 { .ival = "all",
4244 .oval = ERROR_TYPE_ANY,
4245 .help = "Continue on all io and verify errors",
4246 },
4247 { .ival = "0",
4248 .oval = ERROR_TYPE_NONE,
4249 .help = "Alias for 'none'",
4250 },
4251 { .ival = "1",
4252 .oval = ERROR_TYPE_ANY,
4253 .help = "Alias for 'all'",
4254 },
4255 },
f2bba182 4256 },
8b28bd41
DM		 4257 {
4258 .name = "ignore_error",
cce2fdfe 4259 .lname = "Ignore Error",
8b28bd41
DM		 4260 .type = FIO_OPT_STR,
4261 .cb = str_ignore_error_cb,
a609f12a 4262 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4263 .help = "Set a specific list of errors to ignore",
4264 .parent = "rw",
a94eb99a 4265 .category = FIO_OPT_C_GENERAL,
bc3f552f 4266 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4267 },
4268 {
4269 .name = "error_dump",
cce2fdfe 4270 .lname = "Error Dump",
8b28bd41 4271 .type = FIO_OPT_BOOL,
a609f12a 4272 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4273 .def = "0",
4274 .help = "Dump info on each error",
a94eb99a 4275 .category = FIO_OPT_C_GENERAL,
bc3f552f 4276 .group = FIO_OPT_G_ERR,
8b28bd41 4277 },
9ac8a797
JA		 4278 {
4279 .name = "profile",
e8b0e958 4280 .lname = "Profile",
79d16311 4281 .type = FIO_OPT_STR_STORE,
a609f12a 4282 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4283 .help = "Select a specific builtin performance test",
13fca827 4284 .category = FIO_OPT_C_PROFILE,
e8b0e958 4285 .group = FIO_OPT_G_INVALID,
9ac8a797 4286 },
a696fa2a
JA		 4287 {
4288 .name = "cgroup",
e8b0e958 4289 .lname = "Cgroup",
a696fa2a 4290 .type = FIO_OPT_STR_STORE,
a609f12a 4291 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4292 .help = "Add job to cgroup of this name",
e8b0e958 4293 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4294 .group = FIO_OPT_G_CGROUP,
4295 },
4296 {
4297 .name = "cgroup_nodelete",
4298 .lname = "Cgroup no-delete",
4299 .type = FIO_OPT_BOOL,
a609f12a 4300 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4301 .help = "Do not delete cgroups after job completion",
4302 .def = "0",
4303 .parent = "cgroup",
4304 .category = FIO_OPT_C_GENERAL,
4305 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4306 },
4307 {
4308 .name = "cgroup_weight",
e8b0e958 4309 .lname = "Cgroup weight",
a696fa2a 4310 .type = FIO_OPT_INT,
a609f12a 4311 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4312 .help = "Use given weight for cgroup",
4313 .minval = 100,
4314 .maxval = 1000,
a1f6afec 4315 .parent = "cgroup",
e8b0e958 4316 .category = FIO_OPT_C_GENERAL,
a1f6afec 4317 .group = FIO_OPT_G_CGROUP,
7de87099 4318 },
e0b0d892
JA		 4319 {
4320 .name = "uid",
e8b0e958 4321 .lname = "User ID",
e0b0d892 4322 .type = FIO_OPT_INT,
a609f12a 4323 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4324 .help = "Run job with this user ID",
e8b0e958 4325 .category = FIO_OPT_C_GENERAL,
10860056 4326 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4327 },
4328 {
4329 .name = "gid",
e8b0e958 4330 .lname = "Group ID",
e0b0d892 4331 .type = FIO_OPT_INT,
a609f12a 4332 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4333 .help = "Run job with this group ID",
e8b0e958 4334 .category = FIO_OPT_C_GENERAL,
10860056 4335 .group = FIO_OPT_G_CRED,
e0b0d892 4336 },
a1f6afec
JA		 4337 {
4338 .name = "kb_base",
4339 .lname = "KB Base",
4340 .type = FIO_OPT_INT,
a609f12a 4341 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4342 .prio = 1,
4343 .def = "1024",
ba9c7219
JA		 4344 .posval = {
4345 { .ival = "1024",
4346 .oval = 1024,
d694a6a7 4347 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4348 },
4349 { .ival = "1000",
4350 .oval = 1000,
d694a6a7 4351 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4352 },
4353 },
d694a6a7 4354 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4355 .category = FIO_OPT_C_GENERAL,
4356 .group = FIO_OPT_G_INVALID,
4357 },
cf3a0518
JA		 4358 {
4359 .name = "unit_base",
d694a6a7 4360 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4361 .type = FIO_OPT_INT,
a609f12a 4362 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4363 .prio = 1,
71a08258
JA		 4364 .posval = {
4365 { .ival = "0",
4366 .oval = 0,
4367 .help = "Auto-detect",
4368 },
4369 { .ival = "8",
4370 .oval = 8,
4371 .help = "Normal (byte based)",
4372 },
4373 { .ival = "1",
4374 .oval = 1,
4375 .help = "Bit based",
4376 },
4377 },
cf3a0518
JA		 4378 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4379 .category = FIO_OPT_C_GENERAL,
4380 .group = FIO_OPT_G_INVALID,
4381 },
3ceb458f
JA		 4382 {
4383 .name = "hugepage-size",
4384 .lname = "Hugepage size",
4385 .type = FIO_OPT_INT,
a609f12a 4386 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4387 .help = "When using hugepages, specify size of each page",
4388 .def = __fio_stringify(FIO_HUGE_PAGE),
4389 .interval = 1024 * 1024,
4390 .category = FIO_OPT_C_GENERAL,
4391 .group = FIO_OPT_G_INVALID,
4392 },
9e684a49
DE		 4393 {
4394 .name = "flow_id",
e8b0e958 4395 .lname = "I/O flow ID",
9e684a49 4396 .type = FIO_OPT_INT,
a609f12a 4397 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4398 .help = "The flow index ID to use",
4399 .def = "0",
e8b0e958
JA		 4400 .category = FIO_OPT_C_IO,
4401 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4402 },
4403 {
4404 .name = "flow",
e8b0e958 4405 .lname = "I/O flow weight",
9e684a49 4406 .type = FIO_OPT_INT,
a609f12a 4407 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4408 .help = "Weight for flow control of this job",
4409 .parent = "flow_id",
d71c154c 4410 .hide = 1,
9e684a49 4411 .def = "0",
e8b0e958
JA		 4412 .category = FIO_OPT_C_IO,
4413 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4414 },
4415 {
4416 .name = "flow_watermark",
e8b0e958 4417 .lname = "I/O flow watermark",
9e684a49 4418 .type = FIO_OPT_INT,
a609f12a 4419 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4420 .help = "High watermark for flow control. This option"
4421 " should be set to the same value for all threads"
4422 " with non-zero flow.",
4423 .parent = "flow_id",
d71c154c 4424 .hide = 1,
9e684a49 4425 .def = "1024",
e8b0e958
JA		 4426 .category = FIO_OPT_C_IO,
4427 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4428 },
4429 {
4430 .name = "flow_sleep",
e8b0e958 4431 .lname = "I/O flow sleep",
9e684a49 4432 .type = FIO_OPT_INT,
a609f12a 4433 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4434 .help = "How many microseconds to sleep after being held"
4435 " back by the flow control mechanism",
4436 .parent = "flow_id",
d71c154c 4437 .hide = 1,
9e684a49 4438 .def = "0",
e8b0e958
JA		 4439 .category = FIO_OPT_C_IO,
4440 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4441 },
16e56d25
VF		 4442 {
4443 .name = "steadystate",
4444 .lname = "Steady state threshold",
4445 .alias = "ss",
4446 .type = FIO_OPT_STR,
2c5d94bc 4447 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4448 .cb = str_steadystate_cb,
4449 .help = "Define the criterion and limit to judge when a job has reached steady state",
4450 .def = "iops_slope:0.01%",
4451 .posval = {
4452 { .ival = "iops",
f0c50c66 4453 .oval = FIO_SS_IOPS,
16e56d25
VF		 4454 .help = "maximum mean deviation of IOPS measurements",
4455 },
4456 { .ival = "iops_slope",
f0c50c66 4457 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4458 .help = "slope calculated from IOPS measurements",
4459 },
4460 { .ival = "bw",
f0c50c66 4461 .oval = FIO_SS_BW,
16e56d25
VF		 4462 .help = "maximum mean deviation of bandwidth measurements",
4463 },
4464 {
4465 .ival = "bw_slope",
f0c50c66 4466 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4467 .help = "slope calculated from bandwidth measurements",
4468 },
4469 },
4470 .category = FIO_OPT_C_GENERAL,
4471 .group = FIO_OPT_G_RUNTIME,
4472 },
4473 {
4474 .name = "steadystate_duration",
4475 .lname = "Steady state duration",
4476 .alias = "ss_dur",
915ca980 4477 .parent = "steadystate",
16e56d25
VF		 4478 .type = FIO_OPT_STR_VAL_TIME,
4479 .off1 = offsetof(struct thread_options, ss_dur),
4480 .help = "Stop workload upon attaining steady state for specified duration",
4481 .def = "0",
4482 .is_seconds = 1,
4483 .is_time = 1,
4484 .category = FIO_OPT_C_GENERAL,
4485 .group = FIO_OPT_G_RUNTIME,
4486 },
4487 {
4488 .name = "steadystate_ramp_time",
4489 .lname = "Steady state ramp time",
4490 .alias = "ss_ramp",
915ca980 4491 .parent = "steadystate",
16e56d25
VF		 4492 .type = FIO_OPT_STR_VAL_TIME,
4493 .off1 = offsetof(struct thread_options, ss_ramp_time),
4494 .help = "Delay before initiation of data collection for steady state job termination testing",
4495 .def = "0",
4496 .is_seconds = 1,
4497 .is_time = 1,
4498 .category = FIO_OPT_C_GENERAL,
4499 .group = FIO_OPT_G_RUNTIME,
4500 },
214e1eca
JA		 4501 {
4502 .name = NULL,
4503 },
4504};
4505
17af15d4 4506static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4507 const char *name, int val)
9f81736c 4508{
17af15d4 4509 lopt->name = (char *) name;
de890a1e 4510 lopt->val = val;
9f81736c 4511 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4512 lopt->has_arg = optional_argument;
9f81736c
JA		 4513 else
4514 lopt->has_arg = required_argument;
4515}
4516
de890a1e
SL		 4517static void options_to_lopts(struct fio_option *opts,
4518 struct option *long_options,
4519 int i, int option_type)
214e1eca 4520{
de890a1e 4521 struct fio_option *o = &opts[0];
214e1eca 4522 while (o->name) {
de890a1e 4523 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4524 if (o->alias) {
4525 i++;
de890a1e 4526 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4527 }
214e1eca
JA		 4528
4529 i++;
4530 o++;
4531 assert(i < FIO_NR_OPTIONS);
4532 }
4533}
4534
de890a1e
SL		 4535void fio_options_set_ioengine_opts(struct option *long_options,
4536 struct thread_data *td)
4537{
4538 unsigned int i;
4539
4540 i = 0;
4541 while (long_options[i].name) {
4542 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4543 memset(&long_options[i], 0, sizeof(*long_options));
4544 break;
4545 }
4546 i++;
4547 }
4548
4549 /*
4550 * Just clear out the prior ioengine options.
4551 */
4552 if (!td || !td->eo)
4553 return;
4554
4555 options_to_lopts(td->io_ops->options, long_options, i,
4556 FIO_GETOPT_IOENGINE);
4557}
4558
4559void fio_options_dup_and_init(struct option *long_options)
4560{
4561 unsigned int i;
4562
9af4a244 4563 options_init(fio_options);
de890a1e
SL		 4564
4565 i = 0;
4566 while (long_options[i].name)
4567 i++;
4568
9af4a244 4569 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4570}
4571
74929ac2
JA		 4572struct fio_keyword {
4573 const char *word;
4574 const char *desc;
4575 char *replace;
4576};
4577
4578static struct fio_keyword fio_keywords[] = {
4579 {
4580 .word = "$pagesize",
4581 .desc = "Page size in the system",
4582 },
4583 {
4584 .word = "$mb_memory",
4585 .desc = "Megabytes of memory online",
4586 },
4587 {
4588 .word = "$ncpus",
4589 .desc = "Number of CPUs online in the system",
4590 },
4591 {
4592 .word = NULL,
4593 },
4594};
4595
af1dc266
JA		 4596void fio_keywords_exit(void)
4597{
4598 struct fio_keyword *kw;
4599
4600 kw = &fio_keywords[0];
4601 while (kw->word) {
4602 free(kw->replace);
4603 kw->replace = NULL;
4604 kw++;
4605 }
4606}
4607
74929ac2
JA		 4608void fio_keywords_init(void)
4609{
3b2e1464 4610 unsigned long long mb_memory;
74929ac2
JA		 4611 char buf[128];
4612 long l;
4613
a4cfc477 4614 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4615 fio_keywords[0].replace = strdup(buf);
4616
8eb016d3 4617 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4618 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4619 fio_keywords[1].replace = strdup(buf);
4620
c00a2289 4621 l = cpus_online();
74929ac2
JA		 4622 sprintf(buf, "%lu", l);
4623 fio_keywords[2].replace = strdup(buf);
4624}
4625
892a6ffc
JA		 4626#define BC_APP "bc"
4627
4628static char *bc_calc(char *str)
4629{
d0c814ec 4630 char buf[128], *tmp;
892a6ffc
JA		 4631 FILE *f;
4632 int ret;
4633
4634 /*
4635 * No math, just return string
4636 */
d0c814ec
SL		 4637 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4638 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4639 return str;
4640
4641 /*
4642 * Split option from value, we only need to calculate the value
4643 */
4644 tmp = strchr(str, '=');
4645 if (!tmp)
4646 return str;
4647
4648 tmp++;
892a6ffc 4649
d0c814ec
SL		 4650 /*
4651 * Prevent buffer overflows; such a case isn't reasonable anyway
4652 */
4653 if (strlen(str) >= 128 || strlen(tmp) > 100)
4654 return str;
892a6ffc
JA		 4655
4656 sprintf(buf, "which %s > /dev/null", BC_APP);
4657 if (system(buf)) {
4658 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4659 return NULL;
4660 }
4661
d0c814ec 4662 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4663 f = popen(buf, "r");
3c3ed070 4664 if (!f)
892a6ffc 4665 return NULL;
892a6ffc 4666
d0c814ec 4667 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4668 if (ret <= 0) {
4669 pclose(f);
892a6ffc 4670 return NULL;
1d824f37 4671 }
892a6ffc 4672
892a6ffc 4673 pclose(f);
d0c814ec
SL		 4674 buf[(tmp - str) + ret - 1] = '\0';
4675 memcpy(buf, str, tmp - str);
892a6ffc 4676 free(str);
d0c814ec
SL		 4677 return strdup(buf);
4678}
4679
4680/*
4681 * Return a copy of the input string with substrings of the form ${VARNAME}
4682 * substituted with the value of the environment variable VARNAME. The
4683 * substitution always occurs, even if VARNAME is empty or the corresponding
4684 * environment variable undefined.
4685 */
4686static char *option_dup_subs(const char *opt)
4687{
4688 char out[OPT_LEN_MAX+1];
4689 char in[OPT_LEN_MAX+1];
4690 char *outptr = out;
4691 char *inptr = in;
4692 char *ch1, *ch2, *env;
4693 ssize_t nchr = OPT_LEN_MAX;
4694 size_t envlen;
4695
4696 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4697 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4698 return NULL;
4699 }
4700
4701 in[OPT_LEN_MAX] = '\0';
4702 strncpy(in, opt, OPT_LEN_MAX);
4703
4704 while (*inptr && nchr > 0) {
4705 if (inptr[0] == '$' && inptr[1] == '{') {
4706 ch2 = strchr(inptr, '}');
4707 if (ch2 && inptr+1 < ch2) {
4708 ch1 = inptr+2;
4709 inptr = ch2+1;
4710 *ch2 = '\0';
4711
4712 env = getenv(ch1);
4713 if (env) {
4714 envlen = strlen(env);
4715 if (envlen <= nchr) {
4716 memcpy(outptr, env, envlen);
4717 outptr += envlen;
4718 nchr -= envlen;
4719 }
4720 }
4721
4722 continue;
4723 }
4724 }
4725
4726 *outptr++ = *inptr++;
4727 --nchr;
4728 }
4729
4730 *outptr = '\0';
4731 return strdup(out);
892a6ffc
JA		 4732}
4733
74929ac2
JA		 4734/*
4735 * Look for reserved variable names and replace them with real values
4736 */
4737static char *fio_keyword_replace(char *opt)
4738{
4739 char *s;
4740 int i;
d0c814ec 4741 int docalc = 0;
74929ac2
JA		 4742
4743 for (i = 0; fio_keywords[i].word != NULL; i++) {
4744 struct fio_keyword *kw = &fio_keywords[i];
4745
4746 while ((s = strstr(opt, kw->word)) != NULL) {
4747 char *new = malloc(strlen(opt) + 1);
4748 char *o_org = opt;
4749 int olen = s - opt;
4750 int len;
4751
4752 /*
4753 * Copy part of the string before the keyword and
4754 * sprintf() the replacement after it.
4755 */
4756 memcpy(new, opt, olen);
4757 len = sprintf(new + olen, "%s", kw->replace);
4758
4759 /*
4760 * If there's more in the original string, copy that
4761 * in too
4762 */
4763 opt += strlen(kw->word) + olen;
4764 if (strlen(opt))
4765 memcpy(new + olen + len, opt, opt - o_org - 1);
4766
4767 /*
4768 * replace opt and free the old opt
4769 */
4770 opt = new;
d0c814ec 4771 free(o_org);
7a958bd5 4772
d0c814ec 4773 docalc = 1;
74929ac2
JA		 4774 }
4775 }
4776
d0c814ec
SL		 4777 /*
4778 * Check for potential math and invoke bc, if possible
4779 */
4780 if (docalc)
4781 opt = bc_calc(opt);
4782
7a958bd5 4783 return opt;
74929ac2
JA		 4784}
4785
d0c814ec
SL		 4786static char **dup_and_sub_options(char **opts, int num_opts)
4787{
4788 int i;
4789 char **opts_copy = malloc(num_opts * sizeof(*opts));
4790 for (i = 0; i < num_opts; i++) {
4791 opts_copy[i] = option_dup_subs(opts[i]);
4792 if (!opts_copy[i])
4793 continue;
4794 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4795 }
4796 return opts_copy;
4797}
4798
e15b023b 4799static void show_closest_option(const char *opt)
a2d027b9
JA		 4800{
4801 int best_option, best_distance;
4802 int i, distance;
e15b023b
JA		 4803 char *name;
4804
4805 if (!strlen(opt))
4806 return;
4807
4808 name = strdup(opt);
4809 i = 0;
4810 while (name[i] != '\0' && name[i] != '=')
4811 i++;
4812 name[i] = '\0';
a2d027b9
JA		 4813
4814 best_option = -1;
4815 best_distance = INT_MAX;
4816 i = 0;
4817 while (fio_options[i].name) {
4818 distance = string_distance(name, fio_options[i].name);
4819 if (distance < best_distance) {
4820 best_distance = distance;
4821 best_option = i;
4822 }
4823 i++;
4824 }
4825
75e6bcba
JA		 4826 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4827 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4828 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4829
4830 free(name);
a2d027b9
JA		 4831}
4832
c2292325 4833int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4834{
de890a1e 4835 int i, ret, unknown;
d0c814ec 4836 char **opts_copy;
3b8b7135 4837
9af4a244 4838 sort_options(opts, fio_options, num_opts);
d0c814ec 4839 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4840
de890a1e
SL		 4841 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4842 struct fio_option *o;
9af4a244 4843 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4844 &o, &td->o, &td->opt_list);
d0c814ec 4845
a8523a6a
JA		 4846 if (!newret && o)
4847 fio_option_mark_set(&td->o, o);
4848
de890a1e
SL		 4849 if (opts_copy[i]) {
4850 if (newret && !o) {
4851 unknown++;
4852 continue;
4853 }
d0c814ec 4854 free(opts_copy[i]);
de890a1e
SL		 4855 opts_copy[i] = NULL;
4856 }
4857
4858 ret |= newret;
4859 }
4860
4861 if (unknown) {
4862 ret |= ioengine_load(td);
4863 if (td->eo) {
4864 sort_options(opts_copy, td->io_ops->options, num_opts);
4865 opts = opts_copy;
4866 }
4867 for (i = 0; i < num_opts; i++) {
4868 struct fio_option *o = NULL;
4869 int newret = 1;
a2d027b9 4870
de890a1e
SL		 4871 if (!opts_copy[i])
4872 continue;
4873
4874 if (td->eo)
4875 newret = parse_option(opts_copy[i], opts[i],
4876 td->io_ops->options, &o,
66e19a38 4877 td->eo, &td->opt_list);
de890a1e
SL		 4878
4879 ret |= newret;
a2d027b9 4880 if (!o) {
de890a1e 4881 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4882 show_closest_option(opts[i]);
4883 }
de890a1e
SL		 4884 free(opts_copy[i]);
4885 opts_copy[i] = NULL;
4886 }
74929ac2 4887 }
3b8b7135 4888
d0c814ec 4889 free(opts_copy);
3b8b7135 4890 return ret;
214e1eca
JA		 4891}
4892
4893int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4894{
a8523a6a
JA		 4895 int ret;
4896
a609f12a 4897 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a
JA		 4898 if (!ret) {
4899 struct fio_option *o;
4900
4901 o = find_option(fio_options, opt);
4902 if (o)
4903 fio_option_mark_set(&td->o, o);
4904 }
4905
4906 return ret;
214e1eca
JA		 4907}
4908
de890a1e
SL		 4909int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4910 char *val)
4911{
d8b4f395
JA		 4912 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4913 &td->opt_list);
de890a1e
SL		 4914}
4915
214e1eca
JA		 4916void fio_fill_default_options(struct thread_data *td)
4917{
cb1402d6 4918 td->o.magic = OPT_MAGIC;
a609f12a 4919 fill_default_options(&td->o, fio_options);
214e1eca
JA		 4920}
4921
4922int fio_show_option_help(const char *opt)
4923{
9af4a244 4924 return show_cmd_help(fio_options, opt);
214e1eca 4925}
d23bb327 4926
de890a1e
SL		 4927/*
4928 * dupe FIO_OPT_STR_STORE options
4929 */
4930void fio_options_mem_dupe(struct thread_data *td)
4931{
53b5693d 4932 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 4933
4934 if (td->eo && td->io_ops) {
de890a1e 4935 void *oldeo = td->eo;
1647f592 4936
de890a1e
SL		 4937 td->eo = malloc(td->io_ops->option_struct_size);
4938 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 4939 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 4940 }
4941}
4942
d6978a32
JA		 4943unsigned int fio_get_kb_base(void *data)
4944{
a609f12a
JA		 4945 struct thread_data *td = cb_data_to_td(data);
4946 struct thread_options *o = &td->o;
d6978a32
JA		 4947 unsigned int kb_base = 0;
4948
cb1402d6
JA		 4949 /*
4950 * This is a hack... For private options, *data is not holding
4951 * a pointer to the thread_options, but to private data. This means
4952 * we can't safely dereference it, but magic is first so mem wise
4953 * it is valid. But this also means that if the job first sets
4954 * kb_base and expects that to be honored by private options,
4955 * it will be disappointed. We will return the global default
4956 * for this.
4957 */
4958 if (o && o->magic == OPT_MAGIC)
83ea422a 4959 kb_base = o->kb_base;
d6978a32
JA		 4960 if (!kb_base)
4961 kb_base = 1024;
4962
4963 return kb_base;
4964}
9f988e2e 4965
07b3232d 4966int add_option(struct fio_option *o)
9f988e2e 4967{
07b3232d
JA		 4968 struct fio_option *__o;
4969 int opt_index = 0;
4970
9af4a244 4971 __o = fio_options;
07b3232d
JA		 4972 while (__o->name) {
4973 opt_index++;
4974 __o++;
4975 }
4976
7b504edd
JA		 4977 if (opt_index + 1 == FIO_MAX_OPTS) {
4978 log_err("fio: FIO_MAX_OPTS is too small\n");
4979 return 1;
4980 }
4981
9af4a244 4982 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4983 fio_options[opt_index + 1].name = NULL;
07b3232d 4984 return 0;
9f988e2e 4985}
e2de69da 4986
07b3232d 4987void invalidate_profile_options(const char *prof_name)
e2de69da 4988{
07b3232d 4989 struct fio_option *o;
e2de69da 4990
9af4a244 4991 o = fio_options;
07b3232d
JA		 4992 while (o->name) {
4993 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4994 o->type = FIO_OPT_INVALID;
4995 o->prof_name = NULL;
4996 }
4997 o++;
e2de69da
JA		 4998 }
4999}
f5b6bb85
JA		 5000
5001void add_opt_posval(const char *optname, const char *ival, const char *help)
5002{
5003 struct fio_option *o;
5004 unsigned int i;
5005
9af4a244 5006 o = find_option(fio_options, optname);
f5b6bb85
JA		 5007 if (!o)
5008 return;
5009
5010 for (i = 0; i < PARSE_MAX_VP; i++) {
5011 if (o->posval[i].ival)
5012 continue;
5013
5014 o->posval[i].ival = ival;
5015 o->posval[i].help = help;
5016 break;
5017 }
5018}
5019
5020void del_opt_posval(const char *optname, const char *ival)
5021{
5022 struct fio_option *o;
5023 unsigned int i;
5024
9af4a244 5025 o = find_option(fio_options, optname);
f5b6bb85
JA		 5026 if (!o)
5027 return;
5028
5029 for (i = 0; i < PARSE_MAX_VP; i++) {
5030 if (!o->posval[i].ival)
5031 continue;
5032 if (strcmp(o->posval[i].ival, ival))
5033 continue;
5034
5035 o->posval[i].ival = NULL;
5036 o->posval[i].help = NULL;
5037 }
5038}
7e356b2d
JA		 5039
5040void fio_options_free(struct thread_data *td)
5041{
ca6336a8 5042 options_free(fio_options, &td->o);
de890a1e
SL		 5043 if (td->eo && td->io_ops && td->io_ops->options) {
5044 options_free(td->io_ops->options, td->eo);
5045 free(td->eo);
5046 td->eo = NULL;
5047 }
7e356b2d 5048}
c504ee55
JA		 5049
5050struct fio_option *fio_option_find(const char *name)
5051{
5052 return find_option(fio_options, name);
5053}
5054
f0e7f45a
JA		 5055static struct fio_option *find_next_opt(struct thread_options *o,
5056 struct fio_option *from,
5057 unsigned int off1)
a8523a6a 5058{
f0e7f45a 5059 struct fio_option *opt;
a8523a6a 5060
f0e7f45a
JA		 5061 if (!from)
5062 from = &fio_options[0];
5063 else
5064 from++;
5065
5066 opt = NULL;
5067 do {
5068 if (off1 == from->off1) {
5069 opt = from;
a8523a6a
JA		 5070 break;
5071 }
f0e7f45a
JA		 5072 from++;
5073 } while (from->name);
a8523a6a 5074
f0e7f45a
JA		 5075 return opt;
5076}
5077
5078static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5079{
5080 unsigned int opt_off, index, offset;
a8523a6a
JA		 5081
5082 opt_off = opt - &fio_options[0];
5083 index = opt_off / (8 * sizeof(uint64_t));
5084 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5085 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5086}
5087
72f39748 5088bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5089{
5090 struct fio_option *opt, *next;
5091
5092 next = NULL;
5093 while ((opt = find_next_opt(o, next, off1)) != NULL) {
5094 if (opt_is_set(o, opt))
72f39748 5095 return true;
f0e7f45a
JA		 5096
5097 next = opt;
5098 }
5099
72f39748 5100 return false;
f0e7f45a
JA		 5101}
5102
a8523a6a
JA		 5103void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
5104{
5105 unsigned int opt_off, index, offset;
5106
5107 opt_off = opt - &fio_options[0];
5108 index = opt_off / (8 * sizeof(uint64_t));
5109 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5110 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5111}
fio - Flexible IO Tester