projects / fio.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
solaris: add get_fs_free_size() implementation
[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 },
83c8b093
JF		 2021 {
2022 .name = "offset_align",
2023 .lname = "IO offset alignment",
2024 .type = FIO_OPT_INT,
2025 .off1 = offsetof(struct thread_options, start_offset_align),
2026 .help = "Start IO from this offset alignment",
2027 .def = "0",
2028 .interval = 512,
2029 .category = FIO_OPT_C_IO,
2030 .group = FIO_OPT_G_INVALID,
2031 },
2d7cd868
JA		 2032 {
2033 .name = "offset_increment",
e8b0e958 2034 .lname = "IO offset increment",
2d7cd868 2035 .type = FIO_OPT_STR_VAL,
a609f12a 2036 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 2037 .help = "What is the increment from one offset to the next",
2038 .parent = "offset",
d71c154c 2039 .hide = 1,
2d7cd868 2040 .def = "0",
20eb06bd 2041 .interval = 1024 * 1024,
e8b0e958
JA		 2042 .category = FIO_OPT_C_IO,
2043 .group = FIO_OPT_G_INVALID,
2d7cd868 2044 },
ddf24e42
JA		 2045 {
2046 .name = "number_ios",
2047 .lname = "Number of IOs to perform",
2048 .type = FIO_OPT_STR_VAL,
a609f12a 2049 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2050 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 2051 .def = "0",
2052 .category = FIO_OPT_C_IO,
2053 .group = FIO_OPT_G_INVALID,
2054 },
214e1eca
JA		 2055 {
2056 .name = "bs",
e8b0e958 2057 .lname = "Block size",
d3aad8f2 2058 .alias = "blocksize",
e01b22b8 2059 .type = FIO_OPT_INT,
a609f12a
JA		 2060 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2061 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2062 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2063 .minval = 1,
214e1eca 2064 .help = "Block size unit",
2b9136a3 2065 .def = "4096",
67a1000f 2066 .parent = "rw",
d71c154c 2067 .hide = 1,
20eb06bd 2068 .interval = 512,
e8b0e958
JA		 2069 .category = FIO_OPT_C_IO,
2070 .group = FIO_OPT_G_INVALID,
214e1eca 2071 },
2b7a01d0
JA		 2072 {
2073 .name = "ba",
e8b0e958 2074 .lname = "Block size align",
2b7a01d0 2075 .alias = "blockalign",
e01b22b8 2076 .type = FIO_OPT_INT,
a609f12a
JA		 2077 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2078 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2079 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2080 .minval = 1,
2081 .help = "IO block offset alignment",
2082 .parent = "rw",
d71c154c 2083 .hide = 1,
20eb06bd 2084 .interval = 512,
e8b0e958
JA		 2085 .category = FIO_OPT_C_IO,
2086 .group = FIO_OPT_G_INVALID,
2b7a01d0 2087 },
214e1eca
JA		 2088 {
2089 .name = "bsrange",
e8b0e958 2090 .lname = "Block size range",
d3aad8f2 2091 .alias = "blocksize_range",
214e1eca 2092 .type = FIO_OPT_RANGE,
a609f12a
JA		 2093 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2094 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2095 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2096 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2097 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2098 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2099 .minval = 1,
214e1eca 2100 .help = "Set block size range (in more detail than bs)",
67a1000f 2101 .parent = "rw",
d71c154c 2102 .hide = 1,
20eb06bd 2103 .interval = 4096,
e8b0e958
JA		 2104 .category = FIO_OPT_C_IO,
2105 .group = FIO_OPT_G_INVALID,
214e1eca 2106 },
564ca972
JA		 2107 {
2108 .name = "bssplit",
e8b0e958 2109 .lname = "Block size split",
564ca972
JA		 2110 .type = FIO_OPT_STR,
2111 .cb = str_bssplit_cb,
a609f12a 2112 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2113 .help = "Set a specific mix of block sizes",
2114 .parent = "rw",
d71c154c 2115 .hide = 1,
e8b0e958
JA		 2116 .category = FIO_OPT_C_IO,
2117 .group = FIO_OPT_G_INVALID,
564ca972 2118 },
214e1eca
JA		 2119 {
2120 .name = "bs_unaligned",
e8b0e958 2121 .lname = "Block size unaligned",
d3aad8f2 2122 .alias = "blocksize_unaligned",
214e1eca 2123 .type = FIO_OPT_STR_SET,
a609f12a 2124 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2125 .help = "Don't sector align IO buffer sizes",
67a1000f 2126 .parent = "rw",
d71c154c 2127 .hide = 1,
e8b0e958
JA		 2128 .category = FIO_OPT_C_IO,
2129 .group = FIO_OPT_G_INVALID,
214e1eca 2130 },
6aca9b3d
JA		 2131 {
2132 .name = "bs_is_seq_rand",
2133 .lname = "Block size division is seq/random (not read/write)",
2134 .type = FIO_OPT_BOOL,
a609f12a 2135 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2136 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2137 .def = "0",
2138 .parent = "blocksize",
2139 .category = FIO_OPT_C_IO,
2140 .group = FIO_OPT_G_INVALID,
2141 },
214e1eca
JA		 2142 {
2143 .name = "randrepeat",
e8b0e958 2144 .lname = "Random repeatable",
214e1eca 2145 .type = FIO_OPT_BOOL,
a609f12a 2146 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2147 .help = "Use repeatable random IO pattern",
2148 .def = "1",
67a1000f 2149 .parent = "rw",
d71c154c 2150 .hide = 1,
e8b0e958 2151 .category = FIO_OPT_C_IO,
3ceb458f 2152 .group = FIO_OPT_G_RANDOM,
214e1eca 2153 },
04778baf
JA		 2154 {
2155 .name = "randseed",
2156 .lname = "The random generator seed",
363cffa7 2157 .type = FIO_OPT_STR_VAL,
a609f12a 2158 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2159 .help = "Set the random generator seed value",
40fe5e7b 2160 .def = "0x89",
04778baf
JA		 2161 .parent = "rw",
2162 .category = FIO_OPT_C_IO,
2163 .group = FIO_OPT_G_RANDOM,
2164 },
2615cc4b
JA		 2165 {
2166 .name = "use_os_rand",
e8b0e958 2167 .lname = "Use OS random",
54a21917 2168 .type = FIO_OPT_DEPRECATED,
a609f12a 2169 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2170 .category = FIO_OPT_C_IO,
3ceb458f 2171 .group = FIO_OPT_G_RANDOM,
2615cc4b 2172 },
214e1eca
JA		 2173 {
2174 .name = "norandommap",
e8b0e958 2175 .lname = "No randommap",
214e1eca 2176 .type = FIO_OPT_STR_SET,
a609f12a 2177 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2178 .help = "Accept potential duplicate random blocks",
67a1000f 2179 .parent = "rw",
d71c154c 2180 .hide = 1,
b2452a43 2181 .hide_on_set = 1,
e8b0e958 2182 .category = FIO_OPT_C_IO,
3ceb458f 2183 .group = FIO_OPT_G_RANDOM,
214e1eca 2184 },
2b386d25
JA		 2185 {
2186 .name = "softrandommap",
e8b0e958 2187 .lname = "Soft randommap",
2b386d25 2188 .type = FIO_OPT_BOOL,
a609f12a 2189 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2190 .help = "Set norandommap if randommap allocation fails",
2b386d25 2191 .parent = "norandommap",
d71c154c 2192 .hide = 1,
2b386d25 2193 .def = "0",
e8b0e958 2194 .category = FIO_OPT_C_IO,
3ceb458f 2195 .group = FIO_OPT_G_RANDOM,
2b386d25 2196 },
8055e41d
JA		 2197 {
2198 .name = "random_generator",
cce2fdfe 2199 .lname = "Random Generator",
8055e41d 2200 .type = FIO_OPT_STR,
a609f12a 2201 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2202 .help = "Type of random number generator to use",
2203 .def = "tausworthe",
2204 .posval = {
2205 { .ival = "tausworthe",
2206 .oval = FIO_RAND_GEN_TAUSWORTHE,
2207 .help = "Strong Tausworthe generator",
2208 },
2209 { .ival = "lfsr",
2210 .oval = FIO_RAND_GEN_LFSR,
2211 .help = "Variable length LFSR",
2212 },
c3546b53
JA		 2213 {
2214 .ival = "tausworthe64",
2215 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2216 .help = "64-bit Tausworthe variant",
2217 },
8055e41d 2218 },
48107598
JA		 2219 .category = FIO_OPT_C_IO,
2220 .group = FIO_OPT_G_RANDOM,
8055e41d 2221 },
e25839d4
JA		 2222 {
2223 .name = "random_distribution",
cce2fdfe 2224 .lname = "Random Distribution",
e25839d4 2225 .type = FIO_OPT_STR,
a609f12a 2226 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2227 .cb = str_random_distribution_cb,
2228 .help = "Random offset distribution generator",
2229 .def = "random",
2230 .posval = {
2231 { .ival = "random",
2232 .oval = FIO_RAND_DIST_RANDOM,
2233 .help = "Completely random",
2234 },
2235 { .ival = "zipf",
2236 .oval = FIO_RAND_DIST_ZIPF,
2237 .help = "Zipf distribution",
2238 },
925fee33
JA		 2239 { .ival = "pareto",
2240 .oval = FIO_RAND_DIST_PARETO,
2241 .help = "Pareto distribution",
2242 },
56d9fa4b
JA		 2243 { .ival = "normal",
2244 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2245 .help = "Normal (Gaussian) distribution",
56d9fa4b 2246 },
e0a04ac1
JA		 2247 { .ival = "zoned",
2248 .oval = FIO_RAND_DIST_ZONED,
2249 .help = "Zoned random distribution",
2250 },
2251
e25839d4 2252 },
48107598
JA		 2253 .category = FIO_OPT_C_IO,
2254 .group = FIO_OPT_G_RANDOM,
e25839d4 2255 },
211c9b89
JA		 2256 {
2257 .name = "percentage_random",
2258 .lname = "Percentage Random",
2259 .type = FIO_OPT_INT,
a609f12a
JA		 2260 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2261 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2262 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2263 .maxval = 100,
2264 .help = "Percentage of seq/random mix that should be random",
d9472271 2265 .def = "100,100,100",
211c9b89
JA		 2266 .interval = 5,
2267 .inverse = "percentage_sequential",
2268 .category = FIO_OPT_C_IO,
2269 .group = FIO_OPT_G_RANDOM,
2270 },
2271 {
2272 .name = "percentage_sequential",
2273 .lname = "Percentage Sequential",
d9472271 2274 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2275 .category = FIO_OPT_C_IO,
2276 .group = FIO_OPT_G_RANDOM,
2277 },
56e2a5fc
CE		 2278 {
2279 .name = "allrandrepeat",
cce2fdfe 2280 .lname = "All Random Repeat",
56e2a5fc 2281 .type = FIO_OPT_BOOL,
a609f12a 2282 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2283 .help = "Use repeatable random numbers for everything",
2284 .def = "0",
a869d9c6
JA		 2285 .category = FIO_OPT_C_IO,
2286 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2287 },
214e1eca
JA		 2288 {
2289 .name = "nrfiles",
e8b0e958 2290 .lname = "Number of files",
d7c8be03 2291 .alias = "nr_files",
214e1eca 2292 .type = FIO_OPT_INT,
a609f12a 2293 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2294 .help = "Split job workload between this number of files",
2295 .def = "1",
20eb06bd 2296 .interval = 1,
e8b0e958
JA		 2297 .category = FIO_OPT_C_FILE,
2298 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2299 },
2300 {
2301 .name = "openfiles",
e8b0e958 2302 .lname = "Number of open files",
214e1eca 2303 .type = FIO_OPT_INT,
a609f12a 2304 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2305 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2306 .category = FIO_OPT_C_FILE,
2307 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2308 },
2309 {
2310 .name = "file_service_type",
e8b0e958 2311 .lname = "File service type",
214e1eca
JA		 2312 .type = FIO_OPT_STR,
2313 .cb = str_fst_cb,
a609f12a 2314 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2315 .help = "How to select which file to service next",
2316 .def = "roundrobin",
e8b0e958
JA		 2317 .category = FIO_OPT_C_FILE,
2318 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2319 .posval = {
2320 { .ival = "random",
2321 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2322 .help = "Choose a file at random (uniform)",
2323 },
2324 { .ival = "zipf",
2325 .oval = FIO_FSERVICE_ZIPF,
2326 .help = "Zipf randomized",
2327 },
2328 { .ival = "pareto",
2329 .oval = FIO_FSERVICE_PARETO,
2330 .help = "Pareto randomized",
2331 },
dd3503d3
SW		 2332 { .ival = "normal",
2333 .oval = FIO_FSERVICE_GAUSS,
2334 .help = "Normal (Gaussian) randomized",
2335 },
8c07860d
JA		 2336 { .ival = "gauss",
2337 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2338 .help = "Alias for normal",
214e1eca
JA		 2339 },
2340 { .ival = "roundrobin",
2341 .oval = FIO_FSERVICE_RR,
2342 .help = "Round robin select files",
2343 },
a086c257
JA		 2344 { .ival = "sequential",
2345 .oval = FIO_FSERVICE_SEQ,
2346 .help = "Finish one file before moving to the next",
2347 },
214e1eca 2348 },
67a1000f 2349 .parent = "nrfiles",
d71c154c 2350 .hide = 1,
67a1000f 2351 },
cbbdf1c8 2352#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA		 2353 {
2354 .name = "fallocate",
e8b0e958 2355 .lname = "Fallocate",
a596f047 2356 .type = FIO_OPT_STR,
a609f12a 2357 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2358 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2359 .def = "native",
e8b0e958
JA		 2360 .category = FIO_OPT_C_FILE,
2361 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2362 .posval = {
2363 { .ival = "none",
2364 .oval = FIO_FALLOCATE_NONE,
2365 .help = "Do not pre-allocate space",
2366 },
2c3e17be
SW		 2367 { .ival = "native",
2368 .oval = FIO_FALLOCATE_NATIVE,
2369 .help = "Use native pre-allocation if possible",
2370 },
2371#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2372 { .ival = "posix",
2373 .oval = FIO_FALLOCATE_POSIX,
2374 .help = "Use posix_fallocate()",
2375 },
2c3e17be 2376#endif
97ac992c 2377#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2378 { .ival = "keep",
2379 .oval = FIO_FALLOCATE_KEEP_SIZE,
2380 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2381 },
7bc8c2cf 2382#endif
a596f047
EG		 2383 /* Compatibility with former boolean values */
2384 { .ival = "0",
2385 .oval = FIO_FALLOCATE_NONE,
2386 .help = "Alias for 'none'",
2387 },
2c3e17be 2388#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2389 { .ival = "1",
2390 .oval = FIO_FALLOCATE_POSIX,
2391 .help = "Alias for 'posix'",
2392 },
2c3e17be 2393#endif
a596f047
EG		 2394 },
2395 },
cbbdf1c8 2396#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA		 2397 {
2398 .name = "fallocate",
2399 .lname = "Fallocate",
2400 .type = FIO_OPT_UNSUPPORTED,
2401 .help = "Your platform does not support fallocate",
2402 },
cbbdf1c8 2403#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA		 2404 {
2405 .name = "fadvise_hint",
e8b0e958 2406 .lname = "Fadvise hint",
ecb2083d 2407 .type = FIO_OPT_STR,
a609f12a 2408 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2409 .posval = {
2410 { .ival = "0",
2411 .oval = F_ADV_NONE,
2412 .help = "Don't issue fadvise",
2413 },
2414 { .ival = "1",
2415 .oval = F_ADV_TYPE,
2416 .help = "Advise using fio IO pattern",
2417 },
2418 { .ival = "random",
2419 .oval = F_ADV_RANDOM,
2420 .help = "Advise using FADV_RANDOM",
2421 },
2422 { .ival = "sequential",
2423 .oval = F_ADV_SEQUENTIAL,
2424 .help = "Advise using FADV_SEQUENTIAL",
2425 },
2426 },
67a1000f
JA		 2427 .help = "Use fadvise() to advise the kernel on IO pattern",
2428 .def = "1",
e8b0e958
JA		 2429 .category = FIO_OPT_C_FILE,
2430 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2431 },
2432 {
2433 .name = "fsync",
e8b0e958 2434 .lname = "Fsync",
214e1eca 2435 .type = FIO_OPT_INT,
a609f12a 2436 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2437 .help = "Issue fsync 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,
214e1eca 2442 },
5f9099ea
JA		 2443 {
2444 .name = "fdatasync",
e8b0e958 2445 .lname = "Fdatasync",
5f9099ea 2446 .type = FIO_OPT_INT,
a609f12a 2447 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2448 .help = "Issue fdatasync for writes every given number of blocks",
2449 .def = "0",
20eb06bd 2450 .interval = 1,
e8b0e958
JA		 2451 .category = FIO_OPT_C_FILE,
2452 .group = FIO_OPT_G_INVALID,
5f9099ea 2453 },
1ef2b6be
JA		 2454 {
2455 .name = "write_barrier",
e8b0e958 2456 .lname = "Write barrier",
1ef2b6be 2457 .type = FIO_OPT_INT,
a609f12a 2458 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2459 .help = "Make every Nth write a barrier write",
2460 .def = "0",
20eb06bd 2461 .interval = 1,
e8b0e958
JA		 2462 .category = FIO_OPT_C_IO,
2463 .group = FIO_OPT_G_INVALID,
1ef2b6be 2464 },
67bf9823 2465#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2466 {
2467 .name = "sync_file_range",
e8b0e958 2468 .lname = "Sync file range",
44f29692
JA		 2469 .posval = {
2470 { .ival = "wait_before",
2471 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2472 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2473 .orval = 1,
44f29692
JA		 2474 },
2475 { .ival = "write",
2476 .oval = SYNC_FILE_RANGE_WRITE,
2477 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2478 .orval = 1,
44f29692
JA		 2479 },
2480 {
2481 .ival = "wait_after",
2482 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2483 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2484 .orval = 1,
44f29692
JA		 2485 },
2486 },
3843deb3 2487 .type = FIO_OPT_STR_MULTI,
44f29692 2488 .cb = str_sfr_cb,
a609f12a 2489 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2490 .help = "Use sync_file_range()",
e8b0e958
JA		 2491 .category = FIO_OPT_C_FILE,
2492 .group = FIO_OPT_G_INVALID,
44f29692 2493 },
a275c37a 2494#else
54d0a315 2495 {
a275c37a
JA		 2496 .name = "sync_file_range",
2497 .lname = "Sync file range",
2498 .type = FIO_OPT_UNSUPPORTED,
2499 .help = "Your platform does not support sync_file_range",
2500 },
44f29692 2501#endif
214e1eca
JA		 2502 {
2503 .name = "direct",
e8b0e958 2504 .lname = "Direct I/O",
214e1eca 2505 .type = FIO_OPT_BOOL,
a609f12a 2506 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2507 .help = "Use O_DIRECT IO (negates buffered)",
2508 .def = "0",
a01a1bc5 2509 .inverse = "buffered",
e8b0e958 2510 .category = FIO_OPT_C_IO,
3ceb458f 2511 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2512 },
d01612f3
CM		 2513 {
2514 .name = "atomic",
2515 .lname = "Atomic I/O",
2516 .type = FIO_OPT_BOOL,
a609f12a 2517 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2518 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2519 .def = "0",
2520 .category = FIO_OPT_C_IO,
2521 .group = FIO_OPT_G_IO_TYPE,
2522 },
214e1eca
JA		 2523 {
2524 .name = "buffered",
e8b0e958 2525 .lname = "Buffered I/O",
214e1eca 2526 .type = FIO_OPT_BOOL,
a609f12a 2527 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2528 .neg = 1,
2529 .help = "Use buffered IO (negates direct)",
2530 .def = "1",
a01a1bc5 2531 .inverse = "direct",
e8b0e958 2532 .category = FIO_OPT_C_IO,
3ceb458f 2533 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2534 },
2535 {
2536 .name = "overwrite",
e8b0e958 2537 .lname = "Overwrite",
214e1eca 2538 .type = FIO_OPT_BOOL,
a609f12a 2539 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2540 .help = "When writing, set whether to overwrite current data",
2541 .def = "0",
e8b0e958
JA		 2542 .category = FIO_OPT_C_FILE,
2543 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2544 },
2545 {
2546 .name = "loops",
e8b0e958 2547 .lname = "Loops",
214e1eca 2548 .type = FIO_OPT_INT,
a609f12a 2549 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2550 .help = "Number of times to run the job",
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 = "numjobs",
e8b0e958 2558 .lname = "Number of jobs",
214e1eca 2559 .type = FIO_OPT_INT,
a609f12a 2560 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2561 .help = "Duplicate this job this many times",
2562 .def = "1",
20eb06bd 2563 .interval = 1,
e8b0e958 2564 .category = FIO_OPT_C_GENERAL,
a1f6afec 2565 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2566 },
2567 {
2568 .name = "startdelay",
e8b0e958 2569 .lname = "Start delay",
a5737c93 2570 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2571 .off1 = offsetof(struct thread_options, start_delay),
2572 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2573 .help = "Only start job when this period has passed",
2574 .def = "0",
0de5b26f 2575 .is_seconds = 1,
88038bc7 2576 .is_time = 1,
e8b0e958 2577 .category = FIO_OPT_C_GENERAL,
a1f6afec 2578 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2579 },
2580 {
2581 .name = "runtime",
e8b0e958 2582 .lname = "Runtime",
214e1eca
JA		 2583 .alias = "timeout",
2584 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2585 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2586 .help = "Stop workload when this amount of time has passed",
2587 .def = "0",
0de5b26f 2588 .is_seconds = 1,
88038bc7 2589 .is_time = 1,
e8b0e958 2590 .category = FIO_OPT_C_GENERAL,
a1f6afec 2591 .group = FIO_OPT_G_RUNTIME,
214e1eca 2592 },
cf4464ca
JA		 2593 {
2594 .name = "time_based",
e8b0e958 2595 .lname = "Time based",
cf4464ca 2596 .type = FIO_OPT_STR_SET,
a609f12a 2597 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2598 .help = "Keep running until runtime/timeout is met",
e8b0e958 2599 .category = FIO_OPT_C_GENERAL,
a1f6afec 2600 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2601 },
62167762
JC		 2602 {
2603 .name = "verify_only",
2604 .lname = "Verify only",
2605 .type = FIO_OPT_STR_SET,
a609f12a 2606 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2607 .help = "Verifies previously written data is still valid",
2608 .category = FIO_OPT_C_GENERAL,
2609 .group = FIO_OPT_G_RUNTIME,
2610 },
721938ae
JA		 2611 {
2612 .name = "ramp_time",
e8b0e958 2613 .lname = "Ramp time",
721938ae 2614 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2615 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2616 .help = "Ramp up time before measuring performance",
0de5b26f 2617 .is_seconds = 1,
88038bc7 2618 .is_time = 1,
e8b0e958 2619 .category = FIO_OPT_C_GENERAL,
a1f6afec 2620 .group = FIO_OPT_G_RUNTIME,
721938ae 2621 },
c223da83
JA		 2622 {
2623 .name = "clocksource",
e8b0e958 2624 .lname = "Clock source",
c223da83
JA		 2625 .type = FIO_OPT_STR,
2626 .cb = fio_clock_source_cb,
a609f12a 2627 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2628 .help = "What type of timing source to use",
e8b0e958 2629 .category = FIO_OPT_C_GENERAL,
10860056 2630 .group = FIO_OPT_G_CLOCK,
c223da83 2631 .posval = {
67bf9823 2632#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2633 { .ival = "gettimeofday",
2634 .oval = CS_GTOD,
2635 .help = "Use gettimeofday(2) for timing",
2636 },
67bf9823
JA		 2637#endif
2638#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2639 { .ival = "clock_gettime",
2640 .oval = CS_CGETTIME,
2641 .help = "Use clock_gettime(2) for timing",
2642 },
67bf9823 2643#endif
c223da83
JA		 2644#ifdef ARCH_HAVE_CPU_CLOCK
2645 { .ival = "cpu",
2646 .oval = CS_CPUCLOCK,
2647 .help = "Use CPU private clock",
2648 },
2649#endif
2650 },
2651 },
214e1eca
JA		 2652 {
2653 .name = "mem",
d3aad8f2 2654 .alias = "iomem",
e8b0e958 2655 .lname = "I/O Memory",
214e1eca
JA		 2656 .type = FIO_OPT_STR,
2657 .cb = str_mem_cb,
a609f12a 2658 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2659 .help = "Backing type for IO buffers",
2660 .def = "malloc",
e8b0e958
JA		 2661 .category = FIO_OPT_C_IO,
2662 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2663 .posval = {
2664 { .ival = "malloc",
2665 .oval = MEM_MALLOC,
2666 .help = "Use malloc(3) for IO buffers",
2667 },
c8931876 2668#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2669 { .ival = "shm",
2670 .oval = MEM_SHM,
2671 .help = "Use shared memory segments for IO buffers",
2672 },
214e1eca
JA		 2673#ifdef FIO_HAVE_HUGETLB
2674 { .ival = "shmhuge",
2675 .oval = MEM_SHMHUGE,
2676 .help = "Like shm, but use huge pages",
2677 },
c8931876 2678#endif
b370e46a 2679#endif
37c8cdfe
JA		 2680 { .ival = "mmap",
2681 .oval = MEM_MMAP,
2682 .help = "Use mmap(2) (file or anon) for IO buffers",
2683 },
217b0f1d
LG		 2684 { .ival = "mmapshared",
2685 .oval = MEM_MMAPSHARED,
2686 .help = "Like mmap, but use the shared flag",
2687 },
214e1eca
JA		 2688#ifdef FIO_HAVE_HUGETLB
2689 { .ival = "mmaphuge",
2690 .oval = MEM_MMAPHUGE,
2691 .help = "Like mmap, but use huge pages",
2692 },
03553853
YR		 2693#endif
2694#ifdef CONFIG_CUDA
2695 { .ival = "cudamalloc",
2696 .oval = MEM_CUDA_MALLOC,
2697 .help = "Allocate GPU device memory for GPUDirect RDMA",
2698 },
214e1eca
JA		 2699#endif
2700 },
2701 },
d529ee19
JA		 2702 {
2703 .name = "iomem_align",
2704 .alias = "mem_align",
e8b0e958 2705 .lname = "I/O memory alignment",
d529ee19 2706 .type = FIO_OPT_INT,
a609f12a 2707 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2708 .minval = 0,
2709 .help = "IO memory buffer offset alignment",
2710 .def = "0",
2711 .parent = "iomem",
d71c154c 2712 .hide = 1,
e8b0e958
JA		 2713 .category = FIO_OPT_C_IO,
2714 .group = FIO_OPT_G_INVALID,
d529ee19 2715 },
214e1eca
JA		 2716 {
2717 .name = "verify",
e8b0e958 2718 .lname = "Verify",
214e1eca 2719 .type = FIO_OPT_STR,
a609f12a 2720 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2721 .help = "Verify data written",
2722 .def = "0",
e8b0e958 2723 .category = FIO_OPT_C_IO,
3ceb458f 2724 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2725 .posval = {
2726 { .ival = "0",
2727 .oval = VERIFY_NONE,
2728 .help = "Don't do IO verification",
2729 },
fcca4b58
JA		 2730 { .ival = "md5",
2731 .oval = VERIFY_MD5,
2732 .help = "Use md5 checksums for verification",
2733 },
d77a7af3
JA		 2734 { .ival = "crc64",
2735 .oval = VERIFY_CRC64,
2736 .help = "Use crc64 checksums for verification",
2737 },
214e1eca
JA		 2738 { .ival = "crc32",
2739 .oval = VERIFY_CRC32,
2740 .help = "Use crc32 checksums for verification",
2741 },
af497e6a 2742 { .ival = "crc32c-intel",
e3aaafc4
JA		 2743 .oval = VERIFY_CRC32C,
2744 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2745 },
bac39e0e
JA		 2746 { .ival = "crc32c",
2747 .oval = VERIFY_CRC32C,
e3aaafc4 2748 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2749 },
969f7ed3
JA		 2750 { .ival = "crc16",
2751 .oval = VERIFY_CRC16,
2752 .help = "Use crc16 checksums for verification",
2753 },
1e154bdb
JA		 2754 { .ival = "crc7",
2755 .oval = VERIFY_CRC7,
2756 .help = "Use crc7 checksums for verification",
2757 },
7c353ceb
JA		 2758 { .ival = "sha1",
2759 .oval = VERIFY_SHA1,
2760 .help = "Use sha1 checksums for verification",
2761 },
cd14cc10
JA		 2762 { .ival = "sha256",
2763 .oval = VERIFY_SHA256,
2764 .help = "Use sha256 checksums for verification",
2765 },
2766 { .ival = "sha512",
2767 .oval = VERIFY_SHA512,
2768 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2769 },
2770 { .ival = "sha3-224",
2771 .oval = VERIFY_SHA3_224,
2772 .help = "Use sha3-224 checksums for verification",
2773 },
2774 { .ival = "sha3-256",
2775 .oval = VERIFY_SHA3_256,
2776 .help = "Use sha3-256 checksums for verification",
2777 },
2778 { .ival = "sha3-384",
2779 .oval = VERIFY_SHA3_384,
2780 .help = "Use sha3-384 checksums for verification",
2781 },
2782 { .ival = "sha3-512",
2783 .oval = VERIFY_SHA3_512,
2784 .help = "Use sha3-512 checksums for verification",
cd14cc10 2785 },
844ea602
JA		 2786 { .ival = "xxhash",
2787 .oval = VERIFY_XXHASH,
2788 .help = "Use xxhash checksums for verification",
2789 },
b638d82f
RP		 2790 /* Meta information was included into verify_header,
2791 * 'meta' verification is implied by default. */
7437ee87 2792 { .ival = "meta",
b638d82f
RP		 2793 .oval = VERIFY_HDR_ONLY,
2794 .help = "Use io information for verification. "
2795 "Now is implied by default, thus option is obsolete, "
2796 "don't use it",
7437ee87 2797 },
59245381
JA		 2798 { .ival = "pattern",
2799 .oval = VERIFY_PATTERN_NO_HDR,
2800 .help = "Verify strict pattern",
2801 },
36690c9b
JA		 2802 {
2803 .ival = "null",
2804 .oval = VERIFY_NULL,
2805 .help = "Pretend to verify",
2806 },
214e1eca
JA		 2807 },
2808 },
005c565a
JA		 2809 {
2810 .name = "do_verify",
e8b0e958 2811 .lname = "Perform verify step",
68e1f29a 2812 .type = FIO_OPT_BOOL,
a609f12a 2813 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2814 .help = "Run verification stage after write",
2815 .def = "1",
2816 .parent = "verify",
d71c154c 2817 .hide = 1,
e8b0e958
JA		 2818 .category = FIO_OPT_C_IO,
2819 .group = FIO_OPT_G_VERIFY,
005c565a 2820 },
160b966d
JA		 2821 {
2822 .name = "verifysort",
e8b0e958 2823 .lname = "Verify sort",
160b966d 2824 .type = FIO_OPT_BOOL,
a609f12a 2825 .off1 = offsetof(struct thread_options, verifysort),
160b966d
JA		 2826 .help = "Sort written verify blocks for read back",
2827 .def = "1",
c83f2df1 2828 .parent = "verify",
d71c154c 2829 .hide = 1,
e8b0e958
JA		 2830 .category = FIO_OPT_C_IO,
2831 .group = FIO_OPT_G_VERIFY,
160b966d 2832 },
1ae83d45
JA		 2833 {
2834 .name = "verifysort_nr",
cce2fdfe 2835 .lname = "Verify Sort Nr",
1ae83d45 2836 .type = FIO_OPT_INT,
a609f12a 2837 .off1 = offsetof(struct thread_options, verifysort_nr),
1ae83d45
JA		 2838 .help = "Pre-load and sort verify blocks for a read workload",
2839 .minval = 0,
2840 .maxval = 131072,
2841 .def = "1024",
2842 .parent = "verify",
836fcc0f
JA		 2843 .category = FIO_OPT_C_IO,
2844 .group = FIO_OPT_G_VERIFY,
1ae83d45 2845 },
3f9f4e26 2846 {
a59e170d 2847 .name = "verify_interval",
e8b0e958 2848 .lname = "Verify interval",
e01b22b8 2849 .type = FIO_OPT_INT,
a609f12a 2850 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2851 .minval = 2 * sizeof(struct verify_header),
a59e170d 2852 .help = "Store verify buffer header every N bytes",
afdf9352 2853 .parent = "verify",
d71c154c 2854 .hide = 1,
20eb06bd 2855 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2856 .category = FIO_OPT_C_IO,
2857 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2858 },
546a9142 2859 {
a59e170d 2860 .name = "verify_offset",
e8b0e958 2861 .lname = "Verify offset",
e01b22b8 2862 .type = FIO_OPT_INT,
a59e170d 2863 .help = "Offset verify header location by N bytes",
a609f12a 2864 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2865 .minval = sizeof(struct verify_header),
afdf9352 2866 .parent = "verify",
d71c154c 2867 .hide = 1,
e8b0e958
JA		 2868 .category = FIO_OPT_C_IO,
2869 .group = FIO_OPT_G_VERIFY,
546a9142 2870 },
e28218f3
SL		 2871 {
2872 .name = "verify_pattern",
e8b0e958 2873 .lname = "Verify pattern",
0e92f873 2874 .type = FIO_OPT_STR,
e28218f3 2875 .cb = str_verify_pattern_cb,
a609f12a 2876 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2877 .help = "Fill pattern for IO buffers",
2878 .parent = "verify",
d71c154c 2879 .hide = 1,
e8b0e958
JA		 2880 .category = FIO_OPT_C_IO,
2881 .group = FIO_OPT_G_VERIFY,
e28218f3 2882 },
a12a3b4d
JA		 2883 {
2884 .name = "verify_fatal",
e8b0e958 2885 .lname = "Verify fatal",
68e1f29a 2886 .type = FIO_OPT_BOOL,
a609f12a 2887 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2888 .def = "0",
2889 .help = "Exit on a single verify failure, don't continue",
2890 .parent = "verify",
d71c154c 2891 .hide = 1,
e8b0e958
JA		 2892 .category = FIO_OPT_C_IO,
2893 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2894 },
b463e936
JA		 2895 {
2896 .name = "verify_dump",
e8b0e958 2897 .lname = "Verify dump",
b463e936 2898 .type = FIO_OPT_BOOL,
a609f12a 2899 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2900 .def = "0",
b463e936
JA		 2901 .help = "Dump contents of good and bad blocks on failure",
2902 .parent = "verify",
d71c154c 2903 .hide = 1,
e8b0e958
JA		 2904 .category = FIO_OPT_C_IO,
2905 .group = FIO_OPT_G_VERIFY,
b463e936 2906 },
e8462bd8
JA		 2907 {
2908 .name = "verify_async",
e8b0e958 2909 .lname = "Verify asynchronously",
e8462bd8 2910 .type = FIO_OPT_INT,
a609f12a 2911 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2912 .def = "0",
2913 .help = "Number of async verifier threads to use",
2914 .parent = "verify",
d71c154c 2915 .hide = 1,
e8b0e958
JA		 2916 .category = FIO_OPT_C_IO,
2917 .group = FIO_OPT_G_VERIFY,
e8462bd8 2918 },
9e144189
JA		 2919 {
2920 .name = "verify_backlog",
e8b0e958 2921 .lname = "Verify backlog",
9e144189 2922 .type = FIO_OPT_STR_VAL,
a609f12a 2923 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2924 .help = "Verify after this number of blocks are written",
2925 .parent = "verify",
d71c154c 2926 .hide = 1,
e8b0e958
JA		 2927 .category = FIO_OPT_C_IO,
2928 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2929 },
2930 {
2931 .name = "verify_backlog_batch",
e8b0e958 2932 .lname = "Verify backlog batch",
9e144189 2933 .type = FIO_OPT_INT,
a609f12a 2934 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2935 .help = "Verify this number of IO blocks",
0d29de83 2936 .parent = "verify",
d71c154c 2937 .hide = 1,
e8b0e958
JA		 2938 .category = FIO_OPT_C_IO,
2939 .group = FIO_OPT_G_VERIFY,
9e144189 2940 },
e8462bd8
JA		 2941#ifdef FIO_HAVE_CPU_AFFINITY
2942 {
2943 .name = "verify_async_cpus",
e8b0e958 2944 .lname = "Async verify CPUs",
e8462bd8
JA		 2945 .type = FIO_OPT_STR,
2946 .cb = str_verify_cpus_allowed_cb,
a609f12a 2947 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2948 .help = "Set CPUs allowed for async verify threads",
2949 .parent = "verify_async",
d71c154c 2950 .hide = 1,
e8b0e958
JA		 2951 .category = FIO_OPT_C_IO,
2952 .group = FIO_OPT_G_VERIFY,
e8462bd8 2953 },
a275c37a
JA		 2954#else
2955 {
2956 .name = "verify_async_cpus",
2957 .lname = "Async verify CPUs",
2958 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2959 .help = "Your platform does not support CPU affinities",
a275c37a 2960 },
0d29de83 2961#endif
51aa2da8
JA		 2962 {
2963 .name = "experimental_verify",
cce2fdfe 2964 .lname = "Experimental Verify",
a609f12a 2965 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2966 .type = FIO_OPT_BOOL,
b31eaac9 2967 .help = "Enable experimental verification",
ca09be4b
JA		 2968 .parent = "verify",
2969 .category = FIO_OPT_C_IO,
2970 .group = FIO_OPT_G_VERIFY,
2971 },
2972 {
2973 .name = "verify_state_load",
2974 .lname = "Load verify state",
a609f12a 2975 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 2976 .type = FIO_OPT_BOOL,
2977 .help = "Load verify termination state",
2978 .parent = "verify",
2979 .category = FIO_OPT_C_IO,
2980 .group = FIO_OPT_G_VERIFY,
2981 },
2982 {
2983 .name = "verify_state_save",
2984 .lname = "Save verify state",
a609f12a 2985 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 2986 .type = FIO_OPT_BOOL,
2987 .def = "1",
2988 .help = "Save verify state on termination",
2989 .parent = "verify",
836fcc0f
JA		 2990 .category = FIO_OPT_C_IO,
2991 .group = FIO_OPT_G_VERIFY,
51aa2da8 2992 },
0d29de83
JA		 2993#ifdef FIO_HAVE_TRIM
2994 {
2995 .name = "trim_percentage",
e8b0e958 2996 .lname = "Trim percentage",
0d29de83 2997 .type = FIO_OPT_INT,
a609f12a 2998 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 2999 .minval = 0,
0d29de83 3000 .maxval = 100,
169c098d 3001 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 3002 .parent = "verify",
3003 .def = "0",
20eb06bd 3004 .interval = 1,
d71c154c 3005 .hide = 1,
e8b0e958
JA		 3006 .category = FIO_OPT_C_IO,
3007 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3008 },
3009 {
3010 .name = "trim_verify_zero",
e8b0e958 3011 .lname = "Verify trim zero",
20eb06bd 3012 .type = FIO_OPT_BOOL,
169c098d 3013 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3014 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3015 .parent = "trim_percentage",
d71c154c 3016 .hide = 1,
0d29de83 3017 .def = "1",
e8b0e958
JA		 3018 .category = FIO_OPT_C_IO,
3019 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3020 },
3021 {
3022 .name = "trim_backlog",
e8b0e958 3023 .lname = "Trim backlog",
0d29de83 3024 .type = FIO_OPT_STR_VAL,
a609f12a 3025 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 3026 .help = "Trim after this number of blocks are written",
3027 .parent = "trim_percentage",
d71c154c 3028 .hide = 1,
20eb06bd 3029 .interval = 1,
e8b0e958
JA		 3030 .category = FIO_OPT_C_IO,
3031 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3032 },
3033 {
3034 .name = "trim_backlog_batch",
e8b0e958 3035 .lname = "Trim backlog batch",
0d29de83 3036 .type = FIO_OPT_INT,
a609f12a 3037 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 3038 .help = "Trim this number of IO blocks",
3039 .parent = "trim_percentage",
d71c154c 3040 .hide = 1,
20eb06bd 3041 .interval = 1,
e8b0e958
JA		 3042 .category = FIO_OPT_C_IO,
3043 .group = FIO_OPT_G_TRIM,
0d29de83 3044 },
a275c37a
JA		 3045#else
3046 {
3047 .name = "trim_percentage",
3048 .lname = "Trim percentage",
3049 .type = FIO_OPT_UNSUPPORTED,
3050 .help = "Fio does not support TRIM on your platform",
3051 },
3052 {
3053 .name = "trim_verify_zero",
3054 .lname = "Verify trim zero",
3055 .type = FIO_OPT_UNSUPPORTED,
3056 .help = "Fio does not support TRIM on your platform",
3057 },
3058 {
3059 .name = "trim_backlog",
3060 .lname = "Trim backlog",
3061 .type = FIO_OPT_UNSUPPORTED,
3062 .help = "Fio does not support TRIM on your platform",
3063 },
3064 {
3065 .name = "trim_backlog_batch",
3066 .lname = "Trim backlog batch",
3067 .type = FIO_OPT_UNSUPPORTED,
3068 .help = "Fio does not support TRIM on your platform",
3069 },
e8462bd8 3070#endif
214e1eca
JA		 3071 {
3072 .name = "write_iolog",
e8b0e958 3073 .lname = "Write I/O log",
214e1eca 3074 .type = FIO_OPT_STR_STORE,
a609f12a 3075 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3076 .help = "Store IO pattern to file",
e8b0e958
JA		 3077 .category = FIO_OPT_C_IO,
3078 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3079 },
3080 {
3081 .name = "read_iolog",
e8b0e958 3082 .lname = "Read I/O log",
214e1eca 3083 .type = FIO_OPT_STR_STORE,
a609f12a 3084 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3085 .help = "Playback IO pattern from file",
e8b0e958
JA		 3086 .category = FIO_OPT_C_IO,
3087 .group = FIO_OPT_G_IOLOG,
214e1eca 3088 },
64bbb865
DN		 3089 {
3090 .name = "replay_no_stall",
e8b0e958 3091 .lname = "Don't stall on replay",
20eb06bd 3092 .type = FIO_OPT_BOOL,
a609f12a 3093 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3094 .def = "0",
87e7a972 3095 .parent = "read_iolog",
d71c154c 3096 .hide = 1,
64bbb865 3097 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3098 .category = FIO_OPT_C_IO,
3099 .group = FIO_OPT_G_IOLOG,
64bbb865 3100 },
d1c46c04
DN		 3101 {
3102 .name = "replay_redirect",
e8b0e958 3103 .lname = "Redirect device for replay",
d1c46c04 3104 .type = FIO_OPT_STR_STORE,
a609f12a 3105 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3106 .parent = "read_iolog",
d71c154c 3107 .hide = 1,
d1c46c04 3108 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3109 .category = FIO_OPT_C_IO,
3110 .group = FIO_OPT_G_IOLOG,
d1c46c04 3111 },
0c63576e
JA		 3112 {
3113 .name = "replay_scale",
3114 .lname = "Replace offset scale factor",
3115 .type = FIO_OPT_INT,
a609f12a 3116 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3117 .parent = "read_iolog",
3118 .def = "1",
3119 .help = "Align offsets to this blocksize",
3120 .category = FIO_OPT_C_IO,
3121 .group = FIO_OPT_G_IOLOG,
3122 },
3123 {
3124 .name = "replay_align",
3125 .lname = "Replace alignment",
3126 .type = FIO_OPT_INT,
a609f12a 3127 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3128 .parent = "read_iolog",
3129 .help = "Scale offset down by this factor",
3130 .category = FIO_OPT_C_IO,
3131 .group = FIO_OPT_G_IOLOG,
3132 .pow2 = 1,
3133 },
214e1eca
JA		 3134 {
3135 .name = "exec_prerun",
e8b0e958 3136 .lname = "Pre-execute runnable",
214e1eca 3137 .type = FIO_OPT_STR_STORE,
a609f12a 3138 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3139 .help = "Execute this file prior to running job",
e8b0e958
JA		 3140 .category = FIO_OPT_C_GENERAL,
3141 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3142 },
3143 {
3144 .name = "exec_postrun",
e8b0e958 3145 .lname = "Post-execute runnable",
214e1eca 3146 .type = FIO_OPT_STR_STORE,
a609f12a 3147 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3148 .help = "Execute this file after running job",
e8b0e958
JA		 3149 .category = FIO_OPT_C_GENERAL,
3150 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3151 },
3152#ifdef FIO_HAVE_IOSCHED_SWITCH
3153 {
3154 .name = "ioscheduler",
e8b0e958 3155 .lname = "I/O scheduler",
214e1eca 3156 .type = FIO_OPT_STR_STORE,
a609f12a 3157 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3158 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3159 .category = FIO_OPT_C_FILE,
3160 .group = FIO_OPT_G_INVALID,
214e1eca 3161 },
a275c37a
JA		 3162#else
3163 {
3164 .name = "ioscheduler",
3165 .lname = "I/O scheduler",
3166 .type = FIO_OPT_UNSUPPORTED,
3167 .help = "Your platform does not support IO scheduler switching",
3168 },
214e1eca
JA		 3169#endif
3170 {
3171 .name = "zonesize",
e8b0e958 3172 .lname = "Zone size",
214e1eca 3173 .type = FIO_OPT_STR_VAL,
a609f12a 3174 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3175 .help = "Amount of data to read per zone",
3176 .def = "0",
20eb06bd 3177 .interval = 1024 * 1024,
e8b0e958
JA		 3178 .category = FIO_OPT_C_IO,
3179 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3180 },
3181 {
3182 .name = "zonerange",
e8b0e958 3183 .lname = "Zone range",
ed335855 3184 .type = FIO_OPT_STR_VAL,
a609f12a 3185 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3186 .help = "Give size of an IO zone",
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 = "zoneskip",
e8b0e958 3194 .lname = "Zone skip",
214e1eca 3195 .type = FIO_OPT_STR_VAL,
a609f12a 3196 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3197 .help = "Space between IO zones",
3198 .def = "0",
20eb06bd 3199 .interval = 1024 * 1024,
e8b0e958
JA		 3200 .category = FIO_OPT_C_IO,
3201 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3202 },
3203 {
3204 .name = "lockmem",
e8b0e958 3205 .lname = "Lock memory",
214e1eca 3206 .type = FIO_OPT_STR_VAL,
a609f12a 3207 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3208 .help = "Lock down this amount of memory (per worker)",
214e1eca 3209 .def = "0",
20eb06bd 3210 .interval = 1024 * 1024,
e8b0e958
JA		 3211 .category = FIO_OPT_C_GENERAL,
3212 .group = FIO_OPT_G_INVALID,
214e1eca 3213 },
214e1eca
JA		 3214 {
3215 .name = "rwmixread",
e8b0e958 3216 .lname = "Read/write mix read",
214e1eca 3217 .type = FIO_OPT_INT,
cb499fc4 3218 .cb = str_rwmix_read_cb,
a609f12a 3219 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3220 .maxval = 100,
3221 .help = "Percentage of mixed workload that is reads",
3222 .def = "50",
20eb06bd 3223 .interval = 5,
90265353 3224 .inverse = "rwmixwrite",
e8b0e958
JA		 3225 .category = FIO_OPT_C_IO,
3226 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3227 },
3228 {
3229 .name = "rwmixwrite",
e8b0e958 3230 .lname = "Read/write mix write",
214e1eca 3231 .type = FIO_OPT_INT,
cb499fc4 3232 .cb = str_rwmix_write_cb,
a609f12a 3233 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3234 .maxval = 100,
3235 .help = "Percentage of mixed workload that is writes",
3236 .def = "50",
20eb06bd 3237 .interval = 5,
90265353 3238 .inverse = "rwmixread",
e8b0e958
JA		 3239 .category = FIO_OPT_C_IO,
3240 .group = FIO_OPT_G_RWMIX,
214e1eca 3241 },
afdf9352
JA		 3242 {
3243 .name = "rwmixcycle",
e8b0e958 3244 .lname = "Read/write mix cycle",
15ca150e 3245 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3246 .category = FIO_OPT_C_IO,
3247 .group = FIO_OPT_G_RWMIX,
afdf9352 3248 },
214e1eca
JA		 3249 {
3250 .name = "nice",
e8b0e958 3251 .lname = "Nice",
214e1eca 3252 .type = FIO_OPT_INT,
a609f12a 3253 .off1 = offsetof(struct thread_options, nice),
214e1eca 3254 .help = "Set job CPU nice value",
11fd6aa8
RC		 3255 .minval = -20,
3256 .maxval = 19,
214e1eca 3257 .def = "0",
20eb06bd 3258 .interval = 1,
e8b0e958 3259 .category = FIO_OPT_C_GENERAL,
10860056 3260 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3261 },
3262#ifdef FIO_HAVE_IOPRIO
3263 {
3264 .name = "prio",
e8b0e958 3265 .lname = "I/O nice priority",
214e1eca 3266 .type = FIO_OPT_INT,
a609f12a 3267 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3268 .help = "Set job IO priority value",
1767bd34
TK		 3269 .minval = IOPRIO_MIN_PRIO,
3270 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3271 .interval = 1,
e8b0e958 3272 .category = FIO_OPT_C_GENERAL,
10860056 3273 .group = FIO_OPT_G_CRED,
214e1eca 3274 },
32ef447a
TK		 3275#else
3276 {
3277 .name = "prio",
3278 .lname = "I/O nice priority",
3279 .type = FIO_OPT_UNSUPPORTED,
3280 .help = "Your platform does not support IO priorities",
3281 },
3282#endif
3283#ifdef FIO_HAVE_IOPRIO_CLASS
3284#ifndef FIO_HAVE_IOPRIO
3285#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3286#endif
214e1eca
JA		 3287 {
3288 .name = "prioclass",
e8b0e958 3289 .lname = "I/O nice priority class",
214e1eca 3290 .type = FIO_OPT_INT,
a609f12a 3291 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3292 .help = "Set job IO priority class",
1767bd34
TK		 3293 .minval = IOPRIO_MIN_PRIO_CLASS,
3294 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3295 .interval = 1,
e8b0e958 3296 .category = FIO_OPT_C_GENERAL,
10860056 3297 .group = FIO_OPT_G_CRED,
214e1eca 3298 },
a275c37a 3299#else
a275c37a
JA		 3300 {
3301 .name = "prioclass",
3302 .lname = "I/O nice priority class",
3303 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3304 .help = "Your platform does not support IO priority classes",
a275c37a 3305 },
214e1eca
JA		 3306#endif
3307 {
3308 .name = "thinktime",
e8b0e958 3309 .lname = "Thinktime",
214e1eca 3310 .type = FIO_OPT_INT,
a609f12a 3311 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3312 .help = "Idle time between IO buffers (usec)",
3313 .def = "0",
88038bc7 3314 .is_time = 1,
e8b0e958 3315 .category = FIO_OPT_C_IO,
3ceb458f 3316 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3317 },
3318 {
3319 .name = "thinktime_spin",
e8b0e958 3320 .lname = "Thinktime spin",
214e1eca 3321 .type = FIO_OPT_INT,
a609f12a 3322 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3323 .help = "Start think time by spinning this amount (usec)",
3324 .def = "0",
88038bc7 3325 .is_time = 1,
afdf9352 3326 .parent = "thinktime",
d71c154c 3327 .hide = 1,
e8b0e958 3328 .category = FIO_OPT_C_IO,
3ceb458f 3329 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3330 },
3331 {
3332 .name = "thinktime_blocks",
e8b0e958 3333 .lname = "Thinktime blocks",
214e1eca 3334 .type = FIO_OPT_INT,
a609f12a 3335 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3336 .help = "IO buffer period between 'thinktime'",
3337 .def = "1",
afdf9352 3338 .parent = "thinktime",
d71c154c 3339 .hide = 1,
e8b0e958 3340 .category = FIO_OPT_C_IO,
3ceb458f 3341 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3342 },
3343 {
3344 .name = "rate",
e8b0e958 3345 .lname = "I/O rate",
e01b22b8 3346 .type = FIO_OPT_INT,
a609f12a
JA		 3347 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3348 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3349 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3350 .help = "Set bandwidth rate",
e8b0e958
JA		 3351 .category = FIO_OPT_C_IO,
3352 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3353 },
3354 {
6d428bcd
JA		 3355 .name = "rate_min",
3356 .alias = "ratemin",
e8b0e958 3357 .lname = "I/O min rate",
e01b22b8 3358 .type = FIO_OPT_INT,
a609f12a
JA		 3359 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3360 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3361 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3362 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3363 .parent = "rate",
d71c154c 3364 .hide = 1,
e8b0e958
JA		 3365 .category = FIO_OPT_C_IO,
3366 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3367 },
3368 {
3369 .name = "rate_iops",
e8b0e958 3370 .lname = "I/O rate IOPS",
e01b22b8 3371 .type = FIO_OPT_INT,
a609f12a
JA		 3372 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3373 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3374 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3375 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3376 .hide = 1,
e8b0e958
JA		 3377 .category = FIO_OPT_C_IO,
3378 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3379 },
3380 {
3381 .name = "rate_iops_min",
e8b0e958 3382 .lname = "I/O min rate IOPS",
e01b22b8 3383 .type = FIO_OPT_INT,
a609f12a
JA		 3384 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3385 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3386 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3387 .help = "Job must meet this rate or it will be shut down",
afdf9352 3388 .parent = "rate_iops",
d71c154c 3389 .hide = 1,
e8b0e958
JA		 3390 .category = FIO_OPT_C_IO,
3391 .group = FIO_OPT_G_RATE,
214e1eca 3392 },
ff6bb260 3393 {
6de65959
JA		 3394 .name = "rate_process",
3395 .lname = "Rate Process",
3396 .type = FIO_OPT_STR,
a609f12a 3397 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3398 .help = "What process controls how rated IO is managed",
3399 .def = "linear",
ff6bb260
SL		 3400 .category = FIO_OPT_C_IO,
3401 .group = FIO_OPT_G_RATE,
6de65959
JA		 3402 .posval = {
3403 { .ival = "linear",
3404 .oval = RATE_PROCESS_LINEAR,
3405 .help = "Linear rate of IO",
3406 },
3407 {
3408 .ival = "poisson",
3409 .oval = RATE_PROCESS_POISSON,
3410 .help = "Rate follows Poisson process",
3411 },
3412 },
3413 .parent = "rate",
ff6bb260 3414 },
214e1eca 3415 {
6d428bcd
JA		 3416 .name = "rate_cycle",
3417 .alias = "ratecycle",
e8b0e958 3418 .lname = "I/O rate cycle",
214e1eca 3419 .type = FIO_OPT_INT,
a609f12a 3420 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3421 .help = "Window average for rate limits (msec)",
3422 .def = "1000",
afdf9352 3423 .parent = "rate",
d71c154c 3424 .hide = 1,
e8b0e958
JA		 3425 .category = FIO_OPT_C_IO,
3426 .group = FIO_OPT_G_RATE,
214e1eca 3427 },
15501535
JA		 3428 {
3429 .name = "max_latency",
cce2fdfe 3430 .lname = "Max Latency",
15501535 3431 .type = FIO_OPT_INT,
a609f12a 3432 .off1 = offsetof(struct thread_options, max_latency),
15501535 3433 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3434 .is_time = 1,
1e5324e7 3435 .category = FIO_OPT_C_IO,
3e260a46
JA		 3436 .group = FIO_OPT_G_LATPROF,
3437 },
3438 {
3439 .name = "latency_target",
3440 .lname = "Latency Target (usec)",
3441 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3442 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3443 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3444 .is_time = 1,
3e260a46
JA		 3445 .category = FIO_OPT_C_IO,
3446 .group = FIO_OPT_G_LATPROF,
3447 },
3448 {
3449 .name = "latency_window",
3450 .lname = "Latency Window (usec)",
3451 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3452 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3453 .help = "Time to sustain latency_target",
88038bc7 3454 .is_time = 1,
3e260a46
JA		 3455 .category = FIO_OPT_C_IO,
3456 .group = FIO_OPT_G_LATPROF,
3457 },
3458 {
3459 .name = "latency_percentile",
3460 .lname = "Latency Percentile",
3461 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3462 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3463 .help = "Percentile of IOs must be below latency_target",
3464 .def = "100",
3465 .maxlen = 1,
3466 .minfp = 0.0,
3467 .maxfp = 100.0,
3468 .category = FIO_OPT_C_IO,
3469 .group = FIO_OPT_G_LATPROF,
15501535 3470 },
214e1eca
JA		 3471 {
3472 .name = "invalidate",
e8b0e958 3473 .lname = "Cache invalidate",
214e1eca 3474 .type = FIO_OPT_BOOL,
a609f12a 3475 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3476 .help = "Invalidate buffer/page cache prior to running job",
3477 .def = "1",
e8b0e958 3478 .category = FIO_OPT_C_IO,
3ceb458f 3479 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3480 },
3481 {
3482 .name = "sync",
e8b0e958 3483 .lname = "Synchronous I/O",
214e1eca 3484 .type = FIO_OPT_BOOL,
a609f12a 3485 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3486 .help = "Use O_SYNC for buffered writes",
3487 .def = "0",
67a1000f 3488 .parent = "buffered",
d71c154c 3489 .hide = 1,
e8b0e958 3490 .category = FIO_OPT_C_IO,
3ceb458f 3491 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3492 },
ae8e559e
JA		 3493#ifdef FIO_HAVE_WRITE_HINT
3494 {
3495 .name = "write_hint",
3496 .lname = "Write hint",
3497 .type = FIO_OPT_STR,
3498 .off1 = offsetof(struct thread_options, write_hint),
3499 .help = "Set expected write life time",
3500 .category = FIO_OPT_C_ENGINE,
3501 .group = FIO_OPT_G_INVALID,
3502 .posval = {
3503 { .ival = "none",
3504 .oval = RWH_WRITE_LIFE_NONE,
3505 },
3506 { .ival = "short",
3507 .oval = RWH_WRITE_LIFE_SHORT,
3508 },
3509 { .ival = "medium",
3510 .oval = RWH_WRITE_LIFE_MEDIUM,
3511 },
3512 { .ival = "long",
3513 .oval = RWH_WRITE_LIFE_LONG,
3514 },
3515 { .ival = "extreme",
3516 .oval = RWH_WRITE_LIFE_EXTREME,
3517 },
3518 },
3519 },
3520#endif
214e1eca
JA		 3521 {
3522 .name = "create_serialize",
e8b0e958 3523 .lname = "Create serialize",
214e1eca 3524 .type = FIO_OPT_BOOL,
a609f12a 3525 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3526 .help = "Serialize creation of job files",
214e1eca 3527 .def = "1",
e8b0e958
JA		 3528 .category = FIO_OPT_C_FILE,
3529 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3530 },
3531 {
3532 .name = "create_fsync",
e8b0e958 3533 .lname = "Create fsync",
214e1eca 3534 .type = FIO_OPT_BOOL,
a609f12a 3535 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3536 .help = "fsync file after creation",
214e1eca 3537 .def = "1",
e8b0e958
JA		 3538 .category = FIO_OPT_C_FILE,
3539 .group = FIO_OPT_G_INVALID,
214e1eca 3540 },
814452bd
JA		 3541 {
3542 .name = "create_on_open",
e8b0e958 3543 .lname = "Create on open",
814452bd 3544 .type = FIO_OPT_BOOL,
a609f12a 3545 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3546 .help = "Create files when they are opened for IO",
3547 .def = "0",
e8b0e958
JA		 3548 .category = FIO_OPT_C_FILE,
3549 .group = FIO_OPT_G_INVALID,
814452bd 3550 },
25460cf6
JA		 3551 {
3552 .name = "create_only",
cce2fdfe 3553 .lname = "Create Only",
25460cf6 3554 .type = FIO_OPT_BOOL,
a609f12a 3555 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3556 .help = "Only perform file creation phase",
d17fda71 3557 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3558 .def = "0",
3559 },
2378826d
JA		 3560 {
3561 .name = "allow_file_create",
e81ecca3 3562 .lname = "Allow file create",
2378826d 3563 .type = FIO_OPT_BOOL,
a609f12a 3564 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3565 .help = "Permit fio to create files, if they don't exist",
3566 .def = "1",
3567 .category = FIO_OPT_C_FILE,
3568 .group = FIO_OPT_G_FILENAME,
3569 },
e81ecca3
JA		 3570 {
3571 .name = "allow_mounted_write",
3572 .lname = "Allow mounted write",
3573 .type = FIO_OPT_BOOL,
a609f12a 3574 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3575 .help = "Allow writes to a mounted partition",
3576 .def = "0",
3577 .category = FIO_OPT_C_FILE,
3578 .group = FIO_OPT_G_FILENAME,
3579 },
0b9d69ec 3580 {
afad68f7 3581 .name = "pre_read",
e8b0e958 3582 .lname = "Pre-read files",
afad68f7 3583 .type = FIO_OPT_BOOL,
a609f12a 3584 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3585 .help = "Pre-read files before starting official testing",
afad68f7 3586 .def = "0",
e8b0e958
JA		 3587 .category = FIO_OPT_C_FILE,
3588 .group = FIO_OPT_G_INVALID,
afad68f7 3589 },
214e1eca
JA		 3590#ifdef FIO_HAVE_CPU_AFFINITY
3591 {
3592 .name = "cpumask",
e8b0e958 3593 .lname = "CPU mask",
214e1eca
JA		 3594 .type = FIO_OPT_INT,
3595 .cb = str_cpumask_cb,
a609f12a 3596 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3597 .help = "CPU affinity mask",
e8b0e958 3598 .category = FIO_OPT_C_GENERAL,
10860056 3599 .group = FIO_OPT_G_CRED,
214e1eca 3600 },
d2e268b0
JA		 3601 {
3602 .name = "cpus_allowed",
e8b0e958 3603 .lname = "CPUs allowed",
d2e268b0
JA		 3604 .type = FIO_OPT_STR,
3605 .cb = str_cpus_allowed_cb,
a609f12a 3606 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3607 .help = "Set CPUs allowed",
e8b0e958 3608 .category = FIO_OPT_C_GENERAL,
10860056 3609 .group = FIO_OPT_G_CRED,
d2e268b0 3610 },
c2acfbac
JA		 3611 {
3612 .name = "cpus_allowed_policy",
3613 .lname = "CPUs allowed distribution policy",
3614 .type = FIO_OPT_STR,
a609f12a 3615 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3616 .help = "Distribution policy for cpus_allowed",
3617 .parent = "cpus_allowed",
3618 .prio = 1,
3619 .posval = {
3620 { .ival = "shared",
3621 .oval = FIO_CPUS_SHARED,
3622 .help = "Mask shared between threads",
3623 },
3624 { .ival = "split",
3625 .oval = FIO_CPUS_SPLIT,
3626 .help = "Mask split between threads",
3627 },
3628 },
3629 .category = FIO_OPT_C_GENERAL,
3630 .group = FIO_OPT_G_CRED,
3631 },
a275c37a
JA		 3632#else
3633 {
3634 .name = "cpumask",
3635 .lname = "CPU mask",
3636 .type = FIO_OPT_UNSUPPORTED,
3637 .help = "Your platform does not support CPU affinities",
3638 },
3639 {
3640 .name = "cpus_allowed",
3641 .lname = "CPUs allowed",
3642 .type = FIO_OPT_UNSUPPORTED,
3643 .help = "Your platform does not support CPU affinities",
3644 },
3645 {
3646 .name = "cpus_allowed_policy",
3647 .lname = "CPUs allowed distribution policy",
3648 .type = FIO_OPT_UNSUPPORTED,
3649 .help = "Your platform does not support CPU affinities",
3650 },
d0b937ed 3651#endif
67bf9823 3652#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3653 {
3654 .name = "numa_cpu_nodes",
cce2fdfe 3655 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3656 .type = FIO_OPT_STR,
3657 .cb = str_numa_cpunodes_cb,
a609f12a 3658 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3659 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3660 .category = FIO_OPT_C_GENERAL,
3661 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3662 },
3663 {
3664 .name = "numa_mem_policy",
cce2fdfe 3665 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3666 .type = FIO_OPT_STR,
3667 .cb = str_numa_mpol_cb,
a609f12a 3668 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3669 .help = "NUMA memory policy setup",
6be54b2d
JA		 3670 .category = FIO_OPT_C_GENERAL,
3671 .group = FIO_OPT_G_INVALID,
d0b937ed 3672 },
a275c37a
JA		 3673#else
3674 {
3675 .name = "numa_cpu_nodes",
3676 .lname = "NUMA CPU Nodes",
3677 .type = FIO_OPT_UNSUPPORTED,
3678 .help = "Build fio with libnuma-dev(el) to enable this option",
3679 },
3680 {
3681 .name = "numa_mem_policy",
3682 .lname = "NUMA Memory Policy",
3683 .type = FIO_OPT_UNSUPPORTED,
3684 .help = "Build fio with libnuma-dev(el) to enable this option",
3685 },
03553853
YR		 3686#endif
3687#ifdef CONFIG_CUDA
3688 {
3689 .name = "gpu_dev_id",
3690 .lname = "GPU device ID",
3691 .type = FIO_OPT_INT,
3692 .off1 = offsetof(struct thread_options, gpu_dev_id),
3693 .help = "Set GPU device ID for GPUDirect RDMA",
3694 .def = "0",
3695 .category = FIO_OPT_C_GENERAL,
3696 .group = FIO_OPT_G_INVALID,
3697 },
214e1eca
JA		 3698#endif
3699 {
3700 .name = "end_fsync",
e8b0e958 3701 .lname = "End fsync",
214e1eca 3702 .type = FIO_OPT_BOOL,
a609f12a 3703 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3704 .help = "Include fsync at the end of job",
3705 .def = "0",
e8b0e958
JA		 3706 .category = FIO_OPT_C_FILE,
3707 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3708 },
3709 {
3710 .name = "fsync_on_close",
e8b0e958 3711 .lname = "Fsync on close",
214e1eca 3712 .type = FIO_OPT_BOOL,
a609f12a 3713 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3714 .help = "fsync files on close",
3715 .def = "0",
e8b0e958
JA		 3716 .category = FIO_OPT_C_FILE,
3717 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3718 },
3719 {
3720 .name = "unlink",
e8b0e958 3721 .lname = "Unlink file",
214e1eca 3722 .type = FIO_OPT_BOOL,
a609f12a 3723 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3724 .help = "Unlink created files after job has completed",
3725 .def = "0",
e8b0e958
JA		 3726 .category = FIO_OPT_C_FILE,
3727 .group = FIO_OPT_G_INVALID,
214e1eca 3728 },
39c1c323 3729 {
3730 .name = "unlink_each_loop",
3731 .lname = "Unlink file after each loop of a job",
3732 .type = FIO_OPT_BOOL,
a609f12a 3733 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3734 .help = "Unlink created files after each loop in a job has completed",
3735 .def = "0",
3736 .category = FIO_OPT_C_FILE,
3737 .group = FIO_OPT_G_INVALID,
3738 },
214e1eca
JA		 3739 {
3740 .name = "exitall",
e8b0e958 3741 .lname = "Exit-all on terminate",
214e1eca
JA		 3742 .type = FIO_OPT_STR_SET,
3743 .cb = str_exitall_cb,
3744 .help = "Terminate all jobs when one exits",
e8b0e958 3745 .category = FIO_OPT_C_GENERAL,
a1f6afec 3746 .group = FIO_OPT_G_PROCESS,
214e1eca 3747 },
f9cafb12
JA		 3748 {
3749 .name = "exitall_on_error",
3750 .lname = "Exit-all on terminate in error",
78abcf9b 3751 .type = FIO_OPT_STR_SET,
a609f12a 3752 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3753 .help = "Terminate all jobs when one exits in error",
3754 .category = FIO_OPT_C_GENERAL,
3755 .group = FIO_OPT_G_PROCESS,
3756 },
214e1eca
JA		 3757 {
3758 .name = "stonewall",
e8b0e958 3759 .lname = "Wait for previous",
d392365e 3760 .alias = "wait_for_previous",
214e1eca 3761 .type = FIO_OPT_STR_SET,
a609f12a 3762 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3763 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3764 .category = FIO_OPT_C_GENERAL,
a1f6afec 3765 .group = FIO_OPT_G_PROCESS,
214e1eca 3766 },
b3d62a75
JA		 3767 {
3768 .name = "new_group",
e8b0e958 3769 .lname = "New group",
b3d62a75 3770 .type = FIO_OPT_STR_SET,
a609f12a 3771 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3772 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3773 .category = FIO_OPT_C_GENERAL,
a1f6afec 3774 .group = FIO_OPT_G_PROCESS,
b3d62a75 3775 },
214e1eca
JA		 3776 {
3777 .name = "thread",
e8b0e958 3778 .lname = "Thread",
214e1eca 3779 .type = FIO_OPT_STR_SET,
a609f12a 3780 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3781 .help = "Use threads instead of processes",
c8931876
JA		 3782#ifdef CONFIG_NO_SHM
3783 .def = "1",
3784 .no_warn_def = 1,
3785#endif
e8b0e958 3786 .category = FIO_OPT_C_GENERAL,
a1f6afec 3787 .group = FIO_OPT_G_PROCESS,
214e1eca 3788 },
3a5db920
JA		 3789 {
3790 .name = "per_job_logs",
cce2fdfe 3791 .lname = "Per Job Logs",
3a5db920 3792 .type = FIO_OPT_BOOL,
a609f12a 3793 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3794 .help = "Include job number in generated log files or not",
3795 .def = "1",
3796 .category = FIO_OPT_C_LOG,
3797 .group = FIO_OPT_G_INVALID,
3798 },
214e1eca
JA		 3799 {
3800 .name = "write_bw_log",
e8b0e958 3801 .lname = "Write bandwidth log",
dded427c 3802 .type = FIO_OPT_STR,
a609f12a 3803 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3804 .cb = str_write_bw_log_cb,
214e1eca 3805 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3806 .category = FIO_OPT_C_LOG,
3807 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3808 },
3809 {
3810 .name = "write_lat_log",
e8b0e958 3811 .lname = "Write latency log",
dded427c 3812 .type = FIO_OPT_STR,
a609f12a 3813 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3814 .cb = str_write_lat_log_cb,
214e1eca 3815 .help = "Write log of latency during run",
e8b0e958
JA		 3816 .category = FIO_OPT_C_LOG,
3817 .group = FIO_OPT_G_INVALID,
214e1eca 3818 },
c8eeb9df
JA		 3819 {
3820 .name = "write_iops_log",
e8b0e958 3821 .lname = "Write IOPS log",
dded427c 3822 .type = FIO_OPT_STR,
a609f12a 3823 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3824 .cb = str_write_iops_log_cb,
c8eeb9df 3825 .help = "Write log of IOPS during run",
e8b0e958
JA		 3826 .category = FIO_OPT_C_LOG,
3827 .group = FIO_OPT_G_INVALID,
c8eeb9df 3828 },
b8bc8cba
JA		 3829 {
3830 .name = "log_avg_msec",
e8b0e958 3831 .lname = "Log averaging (msec)",
b8bc8cba 3832 .type = FIO_OPT_INT,
a609f12a 3833 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3834 .help = "Average bw/iops/lat logs over this period of time",
3835 .def = "0",
e8b0e958 3836 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3837 .group = FIO_OPT_G_INVALID,
3838 },
3839 {
3840 .name = "log_hist_msec",
3841 .lname = "Log histograms (msec)",
3842 .type = FIO_OPT_INT,
a609f12a 3843 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3844 .help = "Dump completion latency histograms at frequency of this time value",
3845 .def = "0",
3846 .category = FIO_OPT_C_LOG,
3847 .group = FIO_OPT_G_INVALID,
3848 },
3849 {
3850 .name = "log_hist_coarseness",
3851 .lname = "Histogram logs coarseness",
3852 .type = FIO_OPT_INT,
a609f12a 3853 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3854 .help = "Integer in range [0,6]. Higher coarseness outputs"
3855 " fewer histogram bins per sample. The number of bins for"
3856 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3857 .def = "0",
3858 .category = FIO_OPT_C_LOG,
3859 .group = FIO_OPT_G_INVALID,
3860 },
3861 {
3862 .name = "write_hist_log",
3863 .lname = "Write latency histogram logs",
dded427c 3864 .type = FIO_OPT_STR,
a609f12a 3865 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3866 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3867 .help = "Write log of latency histograms during run",
3868 .category = FIO_OPT_C_LOG,
e8b0e958 3869 .group = FIO_OPT_G_INVALID,
b8bc8cba 3870 },
e6989e10
JA		 3871 {
3872 .name = "log_max_value",
3873 .lname = "Log maximum instead of average",
3874 .type = FIO_OPT_BOOL,
a609f12a 3875 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3876 .help = "Log max sample in a window instead of average",
3877 .def = "0",
3878 .category = FIO_OPT_C_LOG,
3879 .group = FIO_OPT_G_INVALID,
3880 },
ae588852
JA		 3881 {
3882 .name = "log_offset",
3883 .lname = "Log offset of IO",
3884 .type = FIO_OPT_BOOL,
a609f12a 3885 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3886 .help = "Include offset of IO for each log entry",
3887 .def = "0",
3888 .category = FIO_OPT_C_LOG,
3889 .group = FIO_OPT_G_INVALID,
3890 },
aee2ab67
JA		 3891#ifdef CONFIG_ZLIB
3892 {
3893 .name = "log_compression",
3894 .lname = "Log compression",
3895 .type = FIO_OPT_INT,
a609f12a 3896 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3897 .help = "Log in compressed chunks of this size",
9919b27b 3898 .minval = 1024ULL,
aee2ab67
JA		 3899 .maxval = 512 * 1024 * 1024ULL,
3900 .category = FIO_OPT_C_LOG,
3901 .group = FIO_OPT_G_INVALID,
3902 },
c08f9fe2
JA		 3903#ifdef FIO_HAVE_CPU_AFFINITY
3904 {
3905 .name = "log_compression_cpus",
3906 .lname = "Log Compression CPUs",
3907 .type = FIO_OPT_STR,
3908 .cb = str_log_cpus_allowed_cb,
a609f12a 3909 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 3910 .parent = "log_compression",
3911 .help = "Limit log compression to these CPUs",
3912 .category = FIO_OPT_C_LOG,
3913 .group = FIO_OPT_G_INVALID,
3914 },
a275c37a
JA		 3915#else
3916 {
3917 .name = "log_compression_cpus",
3918 .lname = "Log Compression CPUs",
3919 .type = FIO_OPT_UNSUPPORTED,
3920 .help = "Your platform does not support CPU affinities",
3921 },
c08f9fe2 3922#endif
b26317c9
JA		 3923 {
3924 .name = "log_store_compressed",
3925 .lname = "Log store compressed",
3926 .type = FIO_OPT_BOOL,
a609f12a 3927 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 3928 .help = "Store logs in a compressed format",
3929 .category = FIO_OPT_C_LOG,
3930 .group = FIO_OPT_G_INVALID,
3931 },
a275c37a
JA		 3932#else
3933 {
3934 .name = "log_compression",
3935 .lname = "Log compression",
3936 .type = FIO_OPT_UNSUPPORTED,
3937 .help = "Install libz-dev(el) to get compression support",
3938 },
3939 {
3940 .name = "log_store_compressed",
3941 .lname = "Log store compressed",
3942 .type = FIO_OPT_UNSUPPORTED,
3943 .help = "Install libz-dev(el) to get compression support",
3944 },
aee2ab67 3945#endif
3aea75b1
KC		 3946 {
3947 .name = "log_unix_epoch",
3948 .lname = "Log epoch unix",
3949 .type = FIO_OPT_BOOL,
3950 .off1 = offsetof(struct thread_options, log_unix_epoch),
3951 .help = "Use Unix time in log files",
3952 .category = FIO_OPT_C_LOG,
3953 .group = FIO_OPT_G_INVALID,
3954 },
66347cfa
DE		 3955 {
3956 .name = "block_error_percentiles",
3957 .lname = "Block error percentiles",
3958 .type = FIO_OPT_BOOL,
a609f12a 3959 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 3960 .help = "Record trim block errors and make a histogram",
3961 .def = "0",
3962 .category = FIO_OPT_C_LOG,
3963 .group = FIO_OPT_G_INVALID,
3964 },
c504ee55
JA		 3965 {
3966 .name = "bwavgtime",
3967 .lname = "Bandwidth average time",
3968 .type = FIO_OPT_INT,
a609f12a 3969 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 3970 .help = "Time window over which to calculate bandwidth"
3971 " (msec)",
3972 .def = "500",
3973 .parent = "write_bw_log",
3974 .hide = 1,
3975 .interval = 100,
3976 .category = FIO_OPT_C_LOG,
3977 .group = FIO_OPT_G_INVALID,
3978 },
3979 {
3980 .name = "iopsavgtime",
3981 .lname = "IOPS average time",
3982 .type = FIO_OPT_INT,
a609f12a 3983 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 3984 .help = "Time window over which to calculate IOPS (msec)",
3985 .def = "500",
3986 .parent = "write_iops_log",
3987 .hide = 1,
3988 .interval = 100,
3989 .category = FIO_OPT_C_LOG,
3990 .group = FIO_OPT_G_INVALID,
3991 },
214e1eca
JA		 3992 {
3993 .name = "group_reporting",
e8b0e958 3994 .lname = "Group reporting",
d2507043 3995 .type = FIO_OPT_STR_SET,
a609f12a 3996 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 3997 .help = "Do reporting on a per-group basis",
10860056 3998 .category = FIO_OPT_C_STAT,
e8b0e958 3999 .group = FIO_OPT_G_INVALID,
214e1eca 4000 },
8243be59
JA		 4001 {
4002 .name = "stats",
4003 .lname = "Stats",
4004 .type = FIO_OPT_BOOL,
4005 .off1 = offsetof(struct thread_options, stats),
4006 .help = "Enable collection of stats",
4007 .def = "1",
4008 .category = FIO_OPT_C_STAT,
4009 .group = FIO_OPT_G_INVALID,
4010 },
e9459e5a
JA		 4011 {
4012 .name = "zero_buffers",
e8b0e958 4013 .lname = "Zero I/O buffers",
e9459e5a 4014 .type = FIO_OPT_STR_SET,
a609f12a 4015 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4016 .help = "Init IO buffers to all zeroes",
e8b0e958 4017 .category = FIO_OPT_C_IO,
3ceb458f 4018 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4019 },
5973cafb
JA		 4020 {
4021 .name = "refill_buffers",
e8b0e958 4022 .lname = "Refill I/O buffers",
5973cafb 4023 .type = FIO_OPT_STR_SET,
a609f12a 4024 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4025 .help = "Refill IO buffers on every IO submit",
e8b0e958 4026 .category = FIO_OPT_C_IO,
3ceb458f 4027 .group = FIO_OPT_G_IO_BUF,
5973cafb 4028 },
fd68418e
JA		 4029 {
4030 .name = "scramble_buffers",
e8b0e958 4031 .lname = "Scramble I/O buffers",
fd68418e 4032 .type = FIO_OPT_BOOL,
a609f12a 4033 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4034 .help = "Slightly scramble buffers on every IO submit",
4035 .def = "1",
e8b0e958 4036 .category = FIO_OPT_C_IO,
3ceb458f 4037 .group = FIO_OPT_G_IO_BUF,
fd68418e 4038 },
ce35b1ec
JA		 4039 {
4040 .name = "buffer_pattern",
4041 .lname = "Buffer pattern",
4042 .type = FIO_OPT_STR,
4043 .cb = str_buffer_pattern_cb,
a609f12a 4044 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4045 .help = "Fill pattern for IO buffers",
4046 .category = FIO_OPT_C_IO,
4047 .group = FIO_OPT_G_IO_BUF,
4048 },
9c42684e
JA		 4049 {
4050 .name = "buffer_compress_percentage",
e8b0e958 4051 .lname = "Buffer compression percentage",
9c42684e 4052 .type = FIO_OPT_INT,
bedc9dc2 4053 .cb = str_buffer_compress_cb,
a609f12a 4054 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4055 .maxval = 100,
e7f5de90 4056 .minval = 0,
9c42684e 4057 .help = "How compressible the buffer is (approximately)",
20eb06bd 4058 .interval = 5,
e8b0e958 4059 .category = FIO_OPT_C_IO,
3ceb458f 4060 .group = FIO_OPT_G_IO_BUF,
9c42684e 4061 },
f97a43a1
JA		 4062 {
4063 .name = "buffer_compress_chunk",
e8b0e958 4064 .lname = "Buffer compression chunk size",
f97a43a1 4065 .type = FIO_OPT_INT,
a609f12a 4066 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4067 .parent = "buffer_compress_percentage",
d71c154c 4068 .hide = 1,
f97a43a1 4069 .help = "Size of compressible region in buffer",
1de80624 4070 .def = "512",
20eb06bd 4071 .interval = 256,
e8b0e958 4072 .category = FIO_OPT_C_IO,
3ceb458f 4073 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4074 },
5c94b008
JA		 4075 {
4076 .name = "dedupe_percentage",
4077 .lname = "Dedupe percentage",
4078 .type = FIO_OPT_INT,
4079 .cb = str_dedupe_cb,
a609f12a 4080 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4081 .maxval = 100,
4082 .minval = 0,
4083 .help = "Percentage of buffers that are dedupable",
4084 .interval = 1,
4085 .category = FIO_OPT_C_IO,
4086 .group = FIO_OPT_G_IO_BUF,
4087 },
83349190
YH		 4088 {
4089 .name = "clat_percentiles",
e8b0e958 4090 .lname = "Completion latency percentiles",
83349190 4091 .type = FIO_OPT_BOOL,
a609f12a 4092 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4093 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4094 .def = "1",
b599759b
JA		 4095 .inverse = "lat_percentiles",
4096 .category = FIO_OPT_C_STAT,
4097 .group = FIO_OPT_G_INVALID,
4098 },
4099 {
4100 .name = "lat_percentiles",
4101 .lname = "IO latency percentiles",
4102 .type = FIO_OPT_BOOL,
4103 .off1 = offsetof(struct thread_options, lat_percentiles),
4104 .help = "Enable the reporting of IO latency percentiles",
4105 .def = "0",
4106 .inverse = "clat_percentiles",
e8b0e958
JA		 4107 .category = FIO_OPT_C_STAT,
4108 .group = FIO_OPT_G_INVALID,
83349190
YH		 4109 },
4110 {
4111 .name = "percentile_list",
66347cfa 4112 .lname = "Percentile list",
83349190 4113 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4114 .off1 = offsetof(struct thread_options, percentile_list),
4115 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4116 .help = "Specify a custom list of percentiles to report for "
4117 "completion latency and block errors",
fd112d34 4118 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4119 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4120 .minfp = 0.0,
4121 .maxfp = 100.0,
e8b0e958
JA		 4122 .category = FIO_OPT_C_STAT,
4123 .group = FIO_OPT_G_INVALID,
83349190
YH		 4124 },
4125
0a839f30
JA		 4126#ifdef FIO_HAVE_DISK_UTIL
4127 {
4128 .name = "disk_util",
e8b0e958 4129 .lname = "Disk utilization",
0a839f30 4130 .type = FIO_OPT_BOOL,
a609f12a 4131 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4132 .help = "Log disk utilization statistics",
0a839f30 4133 .def = "1",
e8b0e958
JA		 4134 .category = FIO_OPT_C_STAT,
4135 .group = FIO_OPT_G_INVALID,
0a839f30 4136 },
a275c37a
JA		 4137#else
4138 {
4139 .name = "disk_util",
4140 .lname = "Disk utilization",
4141 .type = FIO_OPT_UNSUPPORTED,
4142 .help = "Your platform does not support disk utilization",
4143 },
0a839f30 4144#endif
993bf48b
JA		 4145 {
4146 .name = "gtod_reduce",
e8b0e958 4147 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4148 .type = FIO_OPT_BOOL,
4149 .help = "Greatly reduce number of gettimeofday() calls",
4150 .cb = str_gtod_reduce_cb,
4151 .def = "0",
a4ed77fe 4152 .hide_on_set = 1,
e8b0e958
JA		 4153 .category = FIO_OPT_C_STAT,
4154 .group = FIO_OPT_G_INVALID,
993bf48b 4155 },
02af0988
JA		 4156 {
4157 .name = "disable_lat",
e8b0e958 4158 .lname = "Disable all latency stats",
02af0988 4159 .type = FIO_OPT_BOOL,
a609f12a 4160 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4161 .help = "Disable latency numbers",
4162 .parent = "gtod_reduce",
d71c154c 4163 .hide = 1,
02af0988 4164 .def = "0",
e8b0e958
JA		 4165 .category = FIO_OPT_C_STAT,
4166 .group = FIO_OPT_G_INVALID,
02af0988 4167 },
9520ebb9
JA		 4168 {
4169 .name = "disable_clat",
e8b0e958 4170 .lname = "Disable completion latency stats",
9520ebb9 4171 .type = FIO_OPT_BOOL,
a609f12a 4172 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4173 .help = "Disable completion 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_slat",
e8b0e958 4182 .lname = "Disable submission latency stats",
9520ebb9 4183 .type = FIO_OPT_BOOL,
a609f12a 4184 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4185 .help = "Disable submission latency numbers",
993bf48b 4186 .parent = "gtod_reduce",
d71c154c 4187 .hide = 1,
9520ebb9 4188 .def = "0",
e8b0e958
JA		 4189 .category = FIO_OPT_C_STAT,
4190 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4191 },
4192 {
4193 .name = "disable_bw_measurement",
afd2ceff 4194 .alias = "disable_bw",
e8b0e958 4195 .lname = "Disable bandwidth stats",
9520ebb9 4196 .type = FIO_OPT_BOOL,
a609f12a 4197 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4198 .help = "Disable bandwidth logging",
993bf48b 4199 .parent = "gtod_reduce",
d71c154c 4200 .hide = 1,
9520ebb9 4201 .def = "0",
e8b0e958
JA		 4202 .category = FIO_OPT_C_STAT,
4203 .group = FIO_OPT_G_INVALID,
9520ebb9 4204 },
be4ecfdf
JA		 4205 {
4206 .name = "gtod_cpu",
e8b0e958 4207 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4208 .type = FIO_OPT_INT,
a609f12a 4209 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4210 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4211 .verify = gtod_cpu_verify,
e8b0e958 4212 .category = FIO_OPT_C_GENERAL,
10860056 4213 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4214 },
771e58be
JA		 4215 {
4216 .name = "unified_rw_reporting",
cce2fdfe 4217 .lname = "Unified RW Reporting",
771e58be 4218 .type = FIO_OPT_BOOL,
a609f12a 4219 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4220 .help = "Unify reporting across data direction",
4221 .def = "0",
90b7a96d
JA		 4222 .category = FIO_OPT_C_GENERAL,
4223 .group = FIO_OPT_G_INVALID,
771e58be 4224 },
f2bba182
RR		 4225 {
4226 .name = "continue_on_error",
e8b0e958 4227 .lname = "Continue on error",
06842027 4228 .type = FIO_OPT_STR,
a609f12a 4229 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4230 .help = "Continue on non-fatal errors during IO",
06842027 4231 .def = "none",
e8b0e958 4232 .category = FIO_OPT_C_GENERAL,
bc3f552f 4233 .group = FIO_OPT_G_ERR,
06842027
SL		 4234 .posval = {
4235 { .ival = "none",
4236 .oval = ERROR_TYPE_NONE,
4237 .help = "Exit when an error is encountered",
4238 },
4239 { .ival = "read",
4240 .oval = ERROR_TYPE_READ,
4241 .help = "Continue on read errors only",
4242 },
4243 { .ival = "write",
4244 .oval = ERROR_TYPE_WRITE,
4245 .help = "Continue on write errors only",
4246 },
4247 { .ival = "io",
4248 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4249 .help = "Continue on any IO errors",
4250 },
4251 { .ival = "verify",
4252 .oval = ERROR_TYPE_VERIFY,
4253 .help = "Continue on verify errors only",
4254 },
4255 { .ival = "all",
4256 .oval = ERROR_TYPE_ANY,
4257 .help = "Continue on all io and verify errors",
4258 },
4259 { .ival = "0",
4260 .oval = ERROR_TYPE_NONE,
4261 .help = "Alias for 'none'",
4262 },
4263 { .ival = "1",
4264 .oval = ERROR_TYPE_ANY,
4265 .help = "Alias for 'all'",
4266 },
4267 },
f2bba182 4268 },
8b28bd41
DM		 4269 {
4270 .name = "ignore_error",
cce2fdfe 4271 .lname = "Ignore Error",
8b28bd41
DM		 4272 .type = FIO_OPT_STR,
4273 .cb = str_ignore_error_cb,
a609f12a 4274 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4275 .help = "Set a specific list of errors to ignore",
4276 .parent = "rw",
a94eb99a 4277 .category = FIO_OPT_C_GENERAL,
bc3f552f 4278 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4279 },
4280 {
4281 .name = "error_dump",
cce2fdfe 4282 .lname = "Error Dump",
8b28bd41 4283 .type = FIO_OPT_BOOL,
a609f12a 4284 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4285 .def = "0",
4286 .help = "Dump info on each error",
a94eb99a 4287 .category = FIO_OPT_C_GENERAL,
bc3f552f 4288 .group = FIO_OPT_G_ERR,
8b28bd41 4289 },
9ac8a797
JA		 4290 {
4291 .name = "profile",
e8b0e958 4292 .lname = "Profile",
79d16311 4293 .type = FIO_OPT_STR_STORE,
a609f12a 4294 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4295 .help = "Select a specific builtin performance test",
13fca827 4296 .category = FIO_OPT_C_PROFILE,
e8b0e958 4297 .group = FIO_OPT_G_INVALID,
9ac8a797 4298 },
a696fa2a
JA		 4299 {
4300 .name = "cgroup",
e8b0e958 4301 .lname = "Cgroup",
a696fa2a 4302 .type = FIO_OPT_STR_STORE,
a609f12a 4303 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4304 .help = "Add job to cgroup of this name",
e8b0e958 4305 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4306 .group = FIO_OPT_G_CGROUP,
4307 },
4308 {
4309 .name = "cgroup_nodelete",
4310 .lname = "Cgroup no-delete",
4311 .type = FIO_OPT_BOOL,
a609f12a 4312 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4313 .help = "Do not delete cgroups after job completion",
4314 .def = "0",
4315 .parent = "cgroup",
4316 .category = FIO_OPT_C_GENERAL,
4317 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4318 },
4319 {
4320 .name = "cgroup_weight",
e8b0e958 4321 .lname = "Cgroup weight",
a696fa2a 4322 .type = FIO_OPT_INT,
a609f12a 4323 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4324 .help = "Use given weight for cgroup",
4325 .minval = 100,
4326 .maxval = 1000,
a1f6afec 4327 .parent = "cgroup",
e8b0e958 4328 .category = FIO_OPT_C_GENERAL,
a1f6afec 4329 .group = FIO_OPT_G_CGROUP,
7de87099 4330 },
e0b0d892
JA		 4331 {
4332 .name = "uid",
e8b0e958 4333 .lname = "User ID",
e0b0d892 4334 .type = FIO_OPT_INT,
a609f12a 4335 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4336 .help = "Run job with this user ID",
e8b0e958 4337 .category = FIO_OPT_C_GENERAL,
10860056 4338 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4339 },
4340 {
4341 .name = "gid",
e8b0e958 4342 .lname = "Group ID",
e0b0d892 4343 .type = FIO_OPT_INT,
a609f12a 4344 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4345 .help = "Run job with this group ID",
e8b0e958 4346 .category = FIO_OPT_C_GENERAL,
10860056 4347 .group = FIO_OPT_G_CRED,
e0b0d892 4348 },
a1f6afec
JA		 4349 {
4350 .name = "kb_base",
4351 .lname = "KB Base",
4352 .type = FIO_OPT_INT,
a609f12a 4353 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4354 .prio = 1,
4355 .def = "1024",
ba9c7219
JA		 4356 .posval = {
4357 { .ival = "1024",
4358 .oval = 1024,
d694a6a7 4359 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4360 },
4361 { .ival = "1000",
4362 .oval = 1000,
d694a6a7 4363 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4364 },
4365 },
d694a6a7 4366 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4367 .category = FIO_OPT_C_GENERAL,
4368 .group = FIO_OPT_G_INVALID,
4369 },
cf3a0518
JA		 4370 {
4371 .name = "unit_base",
d694a6a7 4372 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4373 .type = FIO_OPT_INT,
a609f12a 4374 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4375 .prio = 1,
71a08258
JA		 4376 .posval = {
4377 { .ival = "0",
4378 .oval = 0,
4379 .help = "Auto-detect",
4380 },
4381 { .ival = "8",
4382 .oval = 8,
4383 .help = "Normal (byte based)",
4384 },
4385 { .ival = "1",
4386 .oval = 1,
4387 .help = "Bit based",
4388 },
4389 },
cf3a0518
JA		 4390 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4391 .category = FIO_OPT_C_GENERAL,
4392 .group = FIO_OPT_G_INVALID,
4393 },
3ceb458f
JA		 4394 {
4395 .name = "hugepage-size",
4396 .lname = "Hugepage size",
4397 .type = FIO_OPT_INT,
a609f12a 4398 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4399 .help = "When using hugepages, specify size of each page",
4400 .def = __fio_stringify(FIO_HUGE_PAGE),
4401 .interval = 1024 * 1024,
4402 .category = FIO_OPT_C_GENERAL,
4403 .group = FIO_OPT_G_INVALID,
4404 },
9e684a49
DE		 4405 {
4406 .name = "flow_id",
e8b0e958 4407 .lname = "I/O flow ID",
9e684a49 4408 .type = FIO_OPT_INT,
a609f12a 4409 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4410 .help = "The flow index ID to use",
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",
e8b0e958 4417 .lname = "I/O flow weight",
9e684a49 4418 .type = FIO_OPT_INT,
a609f12a 4419 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4420 .help = "Weight for flow control of this job",
4421 .parent = "flow_id",
d71c154c 4422 .hide = 1,
9e684a49 4423 .def = "0",
e8b0e958
JA		 4424 .category = FIO_OPT_C_IO,
4425 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4426 },
4427 {
4428 .name = "flow_watermark",
e8b0e958 4429 .lname = "I/O flow watermark",
9e684a49 4430 .type = FIO_OPT_INT,
a609f12a 4431 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4432 .help = "High watermark for flow control. This option"
4433 " should be set to the same value for all threads"
4434 " with non-zero flow.",
4435 .parent = "flow_id",
d71c154c 4436 .hide = 1,
9e684a49 4437 .def = "1024",
e8b0e958
JA		 4438 .category = FIO_OPT_C_IO,
4439 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4440 },
4441 {
4442 .name = "flow_sleep",
e8b0e958 4443 .lname = "I/O flow sleep",
9e684a49 4444 .type = FIO_OPT_INT,
a609f12a 4445 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4446 .help = "How many microseconds to sleep after being held"
4447 " back by the flow control mechanism",
4448 .parent = "flow_id",
d71c154c 4449 .hide = 1,
9e684a49 4450 .def = "0",
e8b0e958
JA		 4451 .category = FIO_OPT_C_IO,
4452 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4453 },
16e56d25
VF		 4454 {
4455 .name = "steadystate",
4456 .lname = "Steady state threshold",
4457 .alias = "ss",
4458 .type = FIO_OPT_STR,
2c5d94bc 4459 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4460 .cb = str_steadystate_cb,
4461 .help = "Define the criterion and limit to judge when a job has reached steady state",
4462 .def = "iops_slope:0.01%",
4463 .posval = {
4464 { .ival = "iops",
f0c50c66 4465 .oval = FIO_SS_IOPS,
16e56d25
VF		 4466 .help = "maximum mean deviation of IOPS measurements",
4467 },
4468 { .ival = "iops_slope",
f0c50c66 4469 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4470 .help = "slope calculated from IOPS measurements",
4471 },
4472 { .ival = "bw",
f0c50c66 4473 .oval = FIO_SS_BW,
16e56d25
VF		 4474 .help = "maximum mean deviation of bandwidth measurements",
4475 },
4476 {
4477 .ival = "bw_slope",
f0c50c66 4478 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4479 .help = "slope calculated from bandwidth measurements",
4480 },
4481 },
4482 .category = FIO_OPT_C_GENERAL,
4483 .group = FIO_OPT_G_RUNTIME,
4484 },
4485 {
4486 .name = "steadystate_duration",
4487 .lname = "Steady state duration",
4488 .alias = "ss_dur",
915ca980 4489 .parent = "steadystate",
16e56d25
VF		 4490 .type = FIO_OPT_STR_VAL_TIME,
4491 .off1 = offsetof(struct thread_options, ss_dur),
4492 .help = "Stop workload upon attaining steady state for specified duration",
4493 .def = "0",
4494 .is_seconds = 1,
4495 .is_time = 1,
4496 .category = FIO_OPT_C_GENERAL,
4497 .group = FIO_OPT_G_RUNTIME,
4498 },
4499 {
4500 .name = "steadystate_ramp_time",
4501 .lname = "Steady state ramp time",
4502 .alias = "ss_ramp",
915ca980 4503 .parent = "steadystate",
16e56d25
VF		 4504 .type = FIO_OPT_STR_VAL_TIME,
4505 .off1 = offsetof(struct thread_options, ss_ramp_time),
4506 .help = "Delay before initiation of data collection for steady state job termination testing",
4507 .def = "0",
4508 .is_seconds = 1,
4509 .is_time = 1,
4510 .category = FIO_OPT_C_GENERAL,
4511 .group = FIO_OPT_G_RUNTIME,
4512 },
214e1eca
JA		 4513 {
4514 .name = NULL,
4515 },
4516};
4517
17af15d4 4518static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4519 const char *name, int val)
9f81736c 4520{
17af15d4 4521 lopt->name = (char *) name;
de890a1e 4522 lopt->val = val;
9f81736c 4523 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4524 lopt->has_arg = optional_argument;
9f81736c
JA		 4525 else
4526 lopt->has_arg = required_argument;
4527}
4528
de890a1e
SL		 4529static void options_to_lopts(struct fio_option *opts,
4530 struct option *long_options,
4531 int i, int option_type)
214e1eca 4532{
de890a1e 4533 struct fio_option *o = &opts[0];
214e1eca 4534 while (o->name) {
de890a1e 4535 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4536 if (o->alias) {
4537 i++;
de890a1e 4538 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4539 }
214e1eca
JA		 4540
4541 i++;
4542 o++;
4543 assert(i < FIO_NR_OPTIONS);
4544 }
4545}
4546
de890a1e
SL		 4547void fio_options_set_ioengine_opts(struct option *long_options,
4548 struct thread_data *td)
4549{
4550 unsigned int i;
4551
4552 i = 0;
4553 while (long_options[i].name) {
4554 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4555 memset(&long_options[i], 0, sizeof(*long_options));
4556 break;
4557 }
4558 i++;
4559 }
4560
4561 /*
4562 * Just clear out the prior ioengine options.
4563 */
4564 if (!td || !td->eo)
4565 return;
4566
4567 options_to_lopts(td->io_ops->options, long_options, i,
4568 FIO_GETOPT_IOENGINE);
4569}
4570
4571void fio_options_dup_and_init(struct option *long_options)
4572{
4573 unsigned int i;
4574
9af4a244 4575 options_init(fio_options);
de890a1e
SL		 4576
4577 i = 0;
4578 while (long_options[i].name)
4579 i++;
4580
9af4a244 4581 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4582}
4583
74929ac2
JA		 4584struct fio_keyword {
4585 const char *word;
4586 const char *desc;
4587 char *replace;
4588};
4589
4590static struct fio_keyword fio_keywords[] = {
4591 {
4592 .word = "$pagesize",
4593 .desc = "Page size in the system",
4594 },
4595 {
4596 .word = "$mb_memory",
4597 .desc = "Megabytes of memory online",
4598 },
4599 {
4600 .word = "$ncpus",
4601 .desc = "Number of CPUs online in the system",
4602 },
4603 {
4604 .word = NULL,
4605 },
4606};
4607
af1dc266
JA		 4608void fio_keywords_exit(void)
4609{
4610 struct fio_keyword *kw;
4611
4612 kw = &fio_keywords[0];
4613 while (kw->word) {
4614 free(kw->replace);
4615 kw->replace = NULL;
4616 kw++;
4617 }
4618}
4619
74929ac2
JA		 4620void fio_keywords_init(void)
4621{
3b2e1464 4622 unsigned long long mb_memory;
74929ac2
JA		 4623 char buf[128];
4624 long l;
4625
a4cfc477 4626 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4627 fio_keywords[0].replace = strdup(buf);
4628
8eb016d3 4629 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4630 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4631 fio_keywords[1].replace = strdup(buf);
4632
c00a2289 4633 l = cpus_online();
74929ac2
JA		 4634 sprintf(buf, "%lu", l);
4635 fio_keywords[2].replace = strdup(buf);
4636}
4637
892a6ffc
JA		 4638#define BC_APP "bc"
4639
4640static char *bc_calc(char *str)
4641{
d0c814ec 4642 char buf[128], *tmp;
892a6ffc
JA		 4643 FILE *f;
4644 int ret;
4645
4646 /*
4647 * No math, just return string
4648 */
d0c814ec
SL		 4649 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4650 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4651 return str;
4652
4653 /*
4654 * Split option from value, we only need to calculate the value
4655 */
4656 tmp = strchr(str, '=');
4657 if (!tmp)
4658 return str;
4659
4660 tmp++;
892a6ffc 4661
d0c814ec
SL		 4662 /*
4663 * Prevent buffer overflows; such a case isn't reasonable anyway
4664 */
4665 if (strlen(str) >= 128 || strlen(tmp) > 100)
4666 return str;
892a6ffc
JA		 4667
4668 sprintf(buf, "which %s > /dev/null", BC_APP);
4669 if (system(buf)) {
4670 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4671 return NULL;
4672 }
4673
d0c814ec 4674 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4675 f = popen(buf, "r");
3c3ed070 4676 if (!f)
892a6ffc 4677 return NULL;
892a6ffc 4678
d0c814ec 4679 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4680 if (ret <= 0) {
4681 pclose(f);
892a6ffc 4682 return NULL;
1d824f37 4683 }
892a6ffc 4684
892a6ffc 4685 pclose(f);
d0c814ec
SL		 4686 buf[(tmp - str) + ret - 1] = '\0';
4687 memcpy(buf, str, tmp - str);
892a6ffc 4688 free(str);
d0c814ec
SL		 4689 return strdup(buf);
4690}
4691
4692/*
4693 * Return a copy of the input string with substrings of the form ${VARNAME}
4694 * substituted with the value of the environment variable VARNAME. The
4695 * substitution always occurs, even if VARNAME is empty or the corresponding
4696 * environment variable undefined.
4697 */
4698static char *option_dup_subs(const char *opt)
4699{
4700 char out[OPT_LEN_MAX+1];
4701 char in[OPT_LEN_MAX+1];
4702 char *outptr = out;
4703 char *inptr = in;
4704 char *ch1, *ch2, *env;
4705 ssize_t nchr = OPT_LEN_MAX;
4706 size_t envlen;
4707
4708 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4709 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4710 return NULL;
4711 }
4712
4713 in[OPT_LEN_MAX] = '\0';
4714 strncpy(in, opt, OPT_LEN_MAX);
4715
4716 while (*inptr && nchr > 0) {
4717 if (inptr[0] == '$' && inptr[1] == '{') {
4718 ch2 = strchr(inptr, '}');
4719 if (ch2 && inptr+1 < ch2) {
4720 ch1 = inptr+2;
4721 inptr = ch2+1;
4722 *ch2 = '\0';
4723
4724 env = getenv(ch1);
4725 if (env) {
4726 envlen = strlen(env);
4727 if (envlen <= nchr) {
4728 memcpy(outptr, env, envlen);
4729 outptr += envlen;
4730 nchr -= envlen;
4731 }
4732 }
4733
4734 continue;
4735 }
4736 }
4737
4738 *outptr++ = *inptr++;
4739 --nchr;
4740 }
4741
4742 *outptr = '\0';
4743 return strdup(out);
892a6ffc
JA		 4744}
4745
74929ac2
JA		 4746/*
4747 * Look for reserved variable names and replace them with real values
4748 */
4749static char *fio_keyword_replace(char *opt)
4750{
4751 char *s;
4752 int i;
d0c814ec 4753 int docalc = 0;
74929ac2
JA		 4754
4755 for (i = 0; fio_keywords[i].word != NULL; i++) {
4756 struct fio_keyword *kw = &fio_keywords[i];
4757
4758 while ((s = strstr(opt, kw->word)) != NULL) {
4759 char *new = malloc(strlen(opt) + 1);
4760 char *o_org = opt;
4761 int olen = s - opt;
4762 int len;
4763
4764 /*
4765 * Copy part of the string before the keyword and
4766 * sprintf() the replacement after it.
4767 */
4768 memcpy(new, opt, olen);
4769 len = sprintf(new + olen, "%s", kw->replace);
4770
4771 /*
4772 * If there's more in the original string, copy that
4773 * in too
4774 */
4775 opt += strlen(kw->word) + olen;
4776 if (strlen(opt))
4777 memcpy(new + olen + len, opt, opt - o_org - 1);
4778
4779 /*
4780 * replace opt and free the old opt
4781 */
4782 opt = new;
d0c814ec 4783 free(o_org);
7a958bd5 4784
d0c814ec 4785 docalc = 1;
74929ac2
JA		 4786 }
4787 }
4788
d0c814ec
SL		 4789 /*
4790 * Check for potential math and invoke bc, if possible
4791 */
4792 if (docalc)
4793 opt = bc_calc(opt);
4794
7a958bd5 4795 return opt;
74929ac2
JA		 4796}
4797
d0c814ec
SL		 4798static char **dup_and_sub_options(char **opts, int num_opts)
4799{
4800 int i;
4801 char **opts_copy = malloc(num_opts * sizeof(*opts));
4802 for (i = 0; i < num_opts; i++) {
4803 opts_copy[i] = option_dup_subs(opts[i]);
4804 if (!opts_copy[i])
4805 continue;
4806 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4807 }
4808 return opts_copy;
4809}
4810
e15b023b 4811static void show_closest_option(const char *opt)
a2d027b9
JA		 4812{
4813 int best_option, best_distance;
4814 int i, distance;
e15b023b
JA		 4815 char *name;
4816
4817 if (!strlen(opt))
4818 return;
4819
4820 name = strdup(opt);
4821 i = 0;
4822 while (name[i] != '\0' && name[i] != '=')
4823 i++;
4824 name[i] = '\0';
a2d027b9
JA		 4825
4826 best_option = -1;
4827 best_distance = INT_MAX;
4828 i = 0;
4829 while (fio_options[i].name) {
4830 distance = string_distance(name, fio_options[i].name);
4831 if (distance < best_distance) {
4832 best_distance = distance;
4833 best_option = i;
4834 }
4835 i++;
4836 }
4837
75e6bcba
JA		 4838 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4839 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4840 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4841
4842 free(name);
a2d027b9
JA		 4843}
4844
c2292325 4845int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4846{
de890a1e 4847 int i, ret, unknown;
d0c814ec 4848 char **opts_copy;
3b8b7135 4849
9af4a244 4850 sort_options(opts, fio_options, num_opts);
d0c814ec 4851 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4852
de890a1e
SL		 4853 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4854 struct fio_option *o;
9af4a244 4855 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4856 &o, &td->o, &td->opt_list);
d0c814ec 4857
a8523a6a
JA		 4858 if (!newret && o)
4859 fio_option_mark_set(&td->o, o);
4860
de890a1e
SL		 4861 if (opts_copy[i]) {
4862 if (newret && !o) {
4863 unknown++;
4864 continue;
4865 }
d0c814ec 4866 free(opts_copy[i]);
de890a1e
SL		 4867 opts_copy[i] = NULL;
4868 }
4869
4870 ret |= newret;
4871 }
4872
4873 if (unknown) {
4874 ret |= ioengine_load(td);
4875 if (td->eo) {
4876 sort_options(opts_copy, td->io_ops->options, num_opts);
4877 opts = opts_copy;
4878 }
4879 for (i = 0; i < num_opts; i++) {
4880 struct fio_option *o = NULL;
4881 int newret = 1;
a2d027b9 4882
de890a1e
SL		 4883 if (!opts_copy[i])
4884 continue;
4885
4886 if (td->eo)
4887 newret = parse_option(opts_copy[i], opts[i],
4888 td->io_ops->options, &o,
66e19a38 4889 td->eo, &td->opt_list);
de890a1e
SL		 4890
4891 ret |= newret;
a2d027b9 4892 if (!o) {
de890a1e 4893 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4894 show_closest_option(opts[i]);
4895 }
de890a1e
SL		 4896 free(opts_copy[i]);
4897 opts_copy[i] = NULL;
4898 }
74929ac2 4899 }
3b8b7135 4900
d0c814ec 4901 free(opts_copy);
3b8b7135 4902 return ret;
214e1eca
JA		 4903}
4904
4905int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4906{
a8523a6a
JA		 4907 int ret;
4908
a609f12a 4909 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a
JA		 4910 if (!ret) {
4911 struct fio_option *o;
4912
4913 o = find_option(fio_options, opt);
4914 if (o)
4915 fio_option_mark_set(&td->o, o);
4916 }
4917
4918 return ret;
214e1eca
JA		 4919}
4920
de890a1e
SL		 4921int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4922 char *val)
4923{
d8b4f395
JA		 4924 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4925 &td->opt_list);
de890a1e
SL		 4926}
4927
214e1eca
JA		 4928void fio_fill_default_options(struct thread_data *td)
4929{
cb1402d6 4930 td->o.magic = OPT_MAGIC;
a609f12a 4931 fill_default_options(&td->o, fio_options);
214e1eca
JA		 4932}
4933
4934int fio_show_option_help(const char *opt)
4935{
9af4a244 4936 return show_cmd_help(fio_options, opt);
214e1eca 4937}
d23bb327 4938
de890a1e
SL		 4939/*
4940 * dupe FIO_OPT_STR_STORE options
4941 */
4942void fio_options_mem_dupe(struct thread_data *td)
4943{
53b5693d 4944 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 4945
4946 if (td->eo && td->io_ops) {
de890a1e 4947 void *oldeo = td->eo;
1647f592 4948
de890a1e
SL		 4949 td->eo = malloc(td->io_ops->option_struct_size);
4950 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 4951 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 4952 }
4953}
4954
d6978a32
JA		 4955unsigned int fio_get_kb_base(void *data)
4956{
a609f12a
JA		 4957 struct thread_data *td = cb_data_to_td(data);
4958 struct thread_options *o = &td->o;
d6978a32
JA		 4959 unsigned int kb_base = 0;
4960
cb1402d6
JA		 4961 /*
4962 * This is a hack... For private options, *data is not holding
4963 * a pointer to the thread_options, but to private data. This means
4964 * we can't safely dereference it, but magic is first so mem wise
4965 * it is valid. But this also means that if the job first sets
4966 * kb_base and expects that to be honored by private options,
4967 * it will be disappointed. We will return the global default
4968 * for this.
4969 */
4970 if (o && o->magic == OPT_MAGIC)
83ea422a 4971 kb_base = o->kb_base;
d6978a32
JA		 4972 if (!kb_base)
4973 kb_base = 1024;
4974
4975 return kb_base;
4976}
9f988e2e 4977
07b3232d 4978int add_option(struct fio_option *o)
9f988e2e 4979{
07b3232d
JA		 4980 struct fio_option *__o;
4981 int opt_index = 0;
4982
9af4a244 4983 __o = fio_options;
07b3232d
JA		 4984 while (__o->name) {
4985 opt_index++;
4986 __o++;
4987 }
4988
7b504edd
JA		 4989 if (opt_index + 1 == FIO_MAX_OPTS) {
4990 log_err("fio: FIO_MAX_OPTS is too small\n");
4991 return 1;
4992 }
4993
9af4a244 4994 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4995 fio_options[opt_index + 1].name = NULL;
07b3232d 4996 return 0;
9f988e2e 4997}
e2de69da 4998
07b3232d 4999void invalidate_profile_options(const char *prof_name)
e2de69da 5000{
07b3232d 5001 struct fio_option *o;
e2de69da 5002
9af4a244 5003 o = fio_options;
07b3232d
JA		 5004 while (o->name) {
5005 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5006 o->type = FIO_OPT_INVALID;
5007 o->prof_name = NULL;
5008 }
5009 o++;
e2de69da
JA		 5010 }
5011}
f5b6bb85
JA		 5012
5013void add_opt_posval(const char *optname, const char *ival, const char *help)
5014{
5015 struct fio_option *o;
5016 unsigned int i;
5017
9af4a244 5018 o = find_option(fio_options, optname);
f5b6bb85
JA		 5019 if (!o)
5020 return;
5021
5022 for (i = 0; i < PARSE_MAX_VP; i++) {
5023 if (o->posval[i].ival)
5024 continue;
5025
5026 o->posval[i].ival = ival;
5027 o->posval[i].help = help;
5028 break;
5029 }
5030}
5031
5032void del_opt_posval(const char *optname, const char *ival)
5033{
5034 struct fio_option *o;
5035 unsigned int i;
5036
9af4a244 5037 o = find_option(fio_options, optname);
f5b6bb85
JA		 5038 if (!o)
5039 return;
5040
5041 for (i = 0; i < PARSE_MAX_VP; i++) {
5042 if (!o->posval[i].ival)
5043 continue;
5044 if (strcmp(o->posval[i].ival, ival))
5045 continue;
5046
5047 o->posval[i].ival = NULL;
5048 o->posval[i].help = NULL;
5049 }
5050}
7e356b2d
JA		 5051
5052void fio_options_free(struct thread_data *td)
5053{
ca6336a8 5054 options_free(fio_options, &td->o);
de890a1e
SL		 5055 if (td->eo && td->io_ops && td->io_ops->options) {
5056 options_free(td->io_ops->options, td->eo);
5057 free(td->eo);
5058 td->eo = NULL;
5059 }
7e356b2d 5060}
c504ee55
JA		 5061
5062struct fio_option *fio_option_find(const char *name)
5063{
5064 return find_option(fio_options, name);
5065}
5066
f0e7f45a
JA		 5067static struct fio_option *find_next_opt(struct thread_options *o,
5068 struct fio_option *from,
5069 unsigned int off1)
a8523a6a 5070{
f0e7f45a 5071 struct fio_option *opt;
a8523a6a 5072
f0e7f45a
JA		 5073 if (!from)
5074 from = &fio_options[0];
5075 else
5076 from++;
5077
5078 opt = NULL;
5079 do {
5080 if (off1 == from->off1) {
5081 opt = from;
a8523a6a
JA		 5082 break;
5083 }
f0e7f45a
JA		 5084 from++;
5085 } while (from->name);
a8523a6a 5086
f0e7f45a
JA		 5087 return opt;
5088}
5089
5090static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5091{
5092 unsigned int opt_off, index, offset;
a8523a6a
JA		 5093
5094 opt_off = opt - &fio_options[0];
5095 index = opt_off / (8 * sizeof(uint64_t));
5096 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5097 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5098}
5099
72f39748 5100bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5101{
5102 struct fio_option *opt, *next;
5103
5104 next = NULL;
5105 while ((opt = find_next_opt(o, next, off1)) != NULL) {
5106 if (opt_is_set(o, opt))
72f39748 5107 return true;
f0e7f45a
JA		 5108
5109 next = opt;
5110 }
5111
72f39748 5112 return false;
f0e7f45a
JA		 5113}
5114
a8523a6a
JA		 5115void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
5116{
5117 unsigned int opt_off, index, offset;
5118
5119 opt_off = opt - &fio_options[0];
5120 index = opt_off / (8 * sizeof(uint64_t));
5121 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5122 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5123}
fio - Flexible IO Tester