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gettime: reduce test CPU clock entries to 1000
[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
896cac2a
JA		 1465static int rw_verify(struct fio_option *o, void *data)
1466{
a609f12a 1467 struct thread_data *td = cb_data_to_td(data);
896cac2a
JA		 1468
1469 if (read_only && td_write(td)) {
1470 log_err("fio: job <%s> has write bit set, but fio is in"
1471 " read-only mode\n", td->o.name);
1472 return 1;
1473 }
1474
1475 return 0;
1476}
1477
276ca4f7 1478static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1479{
276ca4f7 1480#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1481 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1482
29d43ff9
JA		 1483 if (td->o.gtod_cpu) {
1484 log_err("fio: platform must support CPU affinity for"
1485 "gettimeofday() offloading\n");
1486 return 1;
1487 }
1488#endif
1489
1490 return 0;
1491}
1492
214e1eca
JA		 1493/*
1494 * Map of job/command line options
1495 */
9af4a244 1496struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1497 {
1498 .name = "description",
e8b0e958 1499 .lname = "Description of job",
214e1eca 1500 .type = FIO_OPT_STR_STORE,
a609f12a 1501 .off1 = offsetof(struct thread_options, description),
214e1eca 1502 .help = "Text job description",
e8b0e958 1503 .category = FIO_OPT_C_GENERAL,
0626037e 1504 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1505 },
1506 {
1507 .name = "name",
e8b0e958 1508 .lname = "Job name",
214e1eca 1509 .type = FIO_OPT_STR_STORE,
a609f12a 1510 .off1 = offsetof(struct thread_options, name),
214e1eca 1511 .help = "Name of this job",
e8b0e958 1512 .category = FIO_OPT_C_GENERAL,
0626037e 1513 .group = FIO_OPT_G_DESC,
214e1eca 1514 },
9cc8cb91
AK		 1515 {
1516 .name = "wait_for",
1517 .lname = "Waitee name",
1518 .type = FIO_OPT_STR_STORE,
a609f12a 1519 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1520 .help = "Name of the job this one wants to wait for before starting",
1521 .category = FIO_OPT_C_GENERAL,
1522 .group = FIO_OPT_G_DESC,
1523 },
214e1eca
JA		 1524 {
1525 .name = "filename",
e8b0e958 1526 .lname = "Filename(s)",
214e1eca 1527 .type = FIO_OPT_STR_STORE,
a609f12a 1528 .off1 = offsetof(struct thread_options, filename),
214e1eca 1529 .cb = str_filename_cb,
f0d524b0 1530 .prio = -1, /* must come after "directory" */
214e1eca 1531 .help = "File(s) to use for the workload",
e8b0e958 1532 .category = FIO_OPT_C_FILE,
0626037e 1533 .group = FIO_OPT_G_FILENAME,
214e1eca 1534 },
90fef2d1 1535 {
e8b0e958
JA		 1536 .name = "directory",
1537 .lname = "Directory",
1538 .type = FIO_OPT_STR_STORE,
a609f12a 1539 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1540 .cb = str_directory_cb,
1541 .help = "Directory to store files in",
1542 .category = FIO_OPT_C_FILE,
0626037e 1543 .group = FIO_OPT_G_FILENAME,
90fef2d1 1544 },
de98bd30
JA		 1545 {
1546 .name = "filename_format",
922a5be8 1547 .lname = "Filename Format",
de98bd30 1548 .type = FIO_OPT_STR_STORE,
a609f12a 1549 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1550 .prio = -1, /* must come after "directory" */
1551 .help = "Override default $jobname.$jobnum.$filenum naming",
1552 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1553 .category = FIO_OPT_C_FILE,
1554 .group = FIO_OPT_G_FILENAME,
ad705bcb 1555 },
922a5be8
JA		 1556 {
1557 .name = "unique_filename",
1558 .lname = "Unique Filename",
1559 .type = FIO_OPT_BOOL,
a609f12a 1560 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1561 .help = "For network clients, prefix file with source IP",
1562 .def = "1",
1563 .category = FIO_OPT_C_FILE,
1564 .group = FIO_OPT_G_FILENAME,
1565 },
29c1349f
JA		 1566 {
1567 .name = "lockfile",
e8b0e958 1568 .lname = "Lockfile",
4d4e80f2 1569 .type = FIO_OPT_STR,
a609f12a 1570 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1571 .help = "Lock file when doing IO to it",
bc6a0a5d 1572 .prio = 1,
29c1349f 1573 .parent = "filename",
d71c154c 1574 .hide = 0,
4d4e80f2 1575 .def = "none",
e8b0e958 1576 .category = FIO_OPT_C_FILE,
0626037e 1577 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1578 .posval = {
1579 { .ival = "none",
1580 .oval = FILE_LOCK_NONE,
1581 .help = "No file locking",
1582 },
1583 { .ival = "exclusive",
1584 .oval = FILE_LOCK_EXCLUSIVE,
1585 .help = "Exclusive file lock",
1586 },
1587 {
1588 .ival = "readwrite",
1589 .oval = FILE_LOCK_READWRITE,
1590 .help = "Read vs write lock",
1591 },
1592 },
29c1349f 1593 },
214e1eca
JA		 1594 {
1595 .name = "opendir",
e8b0e958 1596 .lname = "Open directory",
214e1eca 1597 .type = FIO_OPT_STR_STORE,
a609f12a 1598 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1599 .cb = str_opendir_cb,
1600 .help = "Recursively add files from this directory and down",
e8b0e958 1601 .category = FIO_OPT_C_FILE,
0626037e 1602 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1603 },
1604 {
1605 .name = "rw",
e8b0e958 1606 .lname = "Read/write",
d3aad8f2 1607 .alias = "readwrite",
214e1eca 1608 .type = FIO_OPT_STR,
211097b2 1609 .cb = str_rw_cb,
a609f12a 1610 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1611 .help = "IO direction",
1612 .def = "read",
896cac2a 1613 .verify = rw_verify,
e8b0e958 1614 .category = FIO_OPT_C_IO,
0626037e 1615 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1616 .posval = {
1617 { .ival = "read",
1618 .oval = TD_DDIR_READ,
1619 .help = "Sequential read",
1620 },
1621 { .ival = "write",
1622 .oval = TD_DDIR_WRITE,
1623 .help = "Sequential write",
1624 },
6eaf09d6
SL		 1625 { .ival = "trim",
1626 .oval = TD_DDIR_TRIM,
1627 .help = "Sequential trim",
1628 },
214e1eca
JA		 1629 { .ival = "randread",
1630 .oval = TD_DDIR_RANDREAD,
1631 .help = "Random read",
1632 },
1633 { .ival = "randwrite",
1634 .oval = TD_DDIR_RANDWRITE,
1635 .help = "Random write",
1636 },
6eaf09d6
SL		 1637 { .ival = "randtrim",
1638 .oval = TD_DDIR_RANDTRIM,
1639 .help = "Random trim",
1640 },
214e1eca
JA		 1641 { .ival = "rw",
1642 .oval = TD_DDIR_RW,
1643 .help = "Sequential read and write mix",
1644 },
10b023db
JA		 1645 { .ival = "readwrite",
1646 .oval = TD_DDIR_RW,
1647 .help = "Sequential read and write mix",
1648 },
214e1eca
JA		 1649 { .ival = "randrw",
1650 .oval = TD_DDIR_RANDRW,
1651 .help = "Random read and write mix"
1652 },
82a90686
JA		 1653 { .ival = "trimwrite",
1654 .oval = TD_DDIR_TRIMWRITE,
1655 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1656 },
214e1eca
JA		 1657 },
1658 },
38dad62d
JA		 1659 {
1660 .name = "rw_sequencer",
e8b0e958 1661 .lname = "RW Sequencer",
38dad62d 1662 .type = FIO_OPT_STR,
a609f12a 1663 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1664 .help = "IO offset generator modifier",
1665 .def = "sequential",
e8b0e958 1666 .category = FIO_OPT_C_IO,
0626037e 1667 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1668 .posval = {
1669 { .ival = "sequential",
1670 .oval = RW_SEQ_SEQ,
1671 .help = "Generate sequential offsets",
1672 },
1673 { .ival = "identical",
1674 .oval = RW_SEQ_IDENT,
1675 .help = "Generate identical offsets",
1676 },
1677 },
1678 },
1679
214e1eca
JA		 1680 {
1681 .name = "ioengine",
e8b0e958 1682 .lname = "IO Engine",
214e1eca 1683 .type = FIO_OPT_STR_STORE,
a609f12a 1684 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1685 .help = "IO engine to use",
58483fa4 1686 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1687 .category = FIO_OPT_C_IO,
0626037e 1688 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1689 .posval = {
1690 { .ival = "sync",
1691 .help = "Use read/write",
1692 },
a31041ea 1693 { .ival = "psync",
1694 .help = "Use pread/pwrite",
1695 },
1d2af02a 1696 { .ival = "vsync",
03e20d68 1697 .help = "Use readv/writev",
1d2af02a 1698 },
07fc0acd
JA		 1699#ifdef CONFIG_PWRITEV
1700 { .ival = "pvsync",
1701 .help = "Use preadv/pwritev",
1702 },
1703#endif
6562685f 1704#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1705 { .ival = "pvsync2",
1706 .help = "Use preadv2/pwritev2",
1707 },
1708#endif
67bf9823 1709#ifdef CONFIG_LIBAIO
214e1eca
JA		 1710 { .ival = "libaio",
1711 .help = "Linux native asynchronous IO",
1712 },
1713#endif
67bf9823 1714#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1715 { .ival = "posixaio",
1716 .help = "POSIX asynchronous IO",
1717 },
417f0068 1718#endif
997843cb 1719#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1720 { .ival = "solarisaio",
1721 .help = "Solaris native asynchronous IO",
1722 },
214e1eca 1723#endif
4700b234 1724#ifdef CONFIG_WINDOWSAIO
03e20d68 1725 { .ival = "windowsaio",
3be80071 1726 .help = "Windows native asynchronous IO"
de890a1e 1727 },
fc5c0345
DG		 1728#endif
1729#ifdef CONFIG_RBD
1730 { .ival = "rbd",
1731 .help = "Rados Block Device asynchronous IO"
1732 },
3be80071 1733#endif
214e1eca 1734 { .ival = "mmap",
03e20d68 1735 .help = "Memory mapped IO"
214e1eca 1736 },
67bf9823 1737#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1738 { .ival = "splice",
1739 .help = "splice/vmsplice based IO",
1740 },
9cce02e8
JA		 1741 { .ival = "netsplice",
1742 .help = "splice/vmsplice to/from the network",
1743 },
214e1eca
JA		 1744#endif
1745#ifdef FIO_HAVE_SGIO
1746 { .ival = "sg",
1747 .help = "SCSI generic v3 IO",
1748 },
1749#endif
1750 { .ival = "null",
1751 .help = "Testing engine (no data transfer)",
1752 },
1753 { .ival = "net",
1754 .help = "Network IO",
1755 },
214e1eca 1756 { .ival = "cpuio",
03e20d68 1757 .help = "CPU cycle burner engine",
214e1eca 1758 },
67bf9823 1759#ifdef CONFIG_GUASI
b8c82a46
JA		 1760 { .ival = "guasi",
1761 .help = "GUASI IO engine",
1762 },
79a43187
JA		 1763#endif
1764#ifdef FIO_HAVE_BINJECT
1765 { .ival = "binject",
1766 .help = "binject direct inject block engine",
1767 },
21b8aee8 1768#endif
67bf9823 1769#ifdef CONFIG_RDMA
21b8aee8 1770 { .ival = "rdma",
1771 .help = "RDMA IO engine",
1772 },
8200b8c7 1773#endif
67bf9823 1774#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1775 { .ival = "fusion-aw-sync",
1776 .help = "Fusion-io atomic write engine",
1777 },
1ecc95ca 1778#endif
997843cb 1779#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1780 { .ival = "e4defrag",
1781 .help = "ext4 defrag engine",
1782 },
1783#endif
997843cb 1784#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1785 { .ival = "falloc",
1786 .help = "fallocate() file based engine",
1787 },
b8c82a46 1788#endif
a7c386f4 1789#ifdef CONFIG_GFAPI
1790 { .ival = "gfapi",
cc47f094 1791 .help = "Glusterfs libgfapi(sync) based engine"
1792 },
1793 { .ival = "gfapi_async",
1794 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1795 },
1796#endif
1b10477b 1797#ifdef CONFIG_LIBHDFS
b74e419e 1798 { .ival = "libhdfs",
1b10477b
MM		 1799 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1800 },
5c4ef02e
JA		 1801#endif
1802#ifdef CONFIG_PMEMBLK
1803 { .ival = "pmemblk",
1804 .help = "NVML libpmemblk based IO engine",
1805 },
1806
104ee4de
DJ		 1807#endif
1808#ifdef CONFIG_LINUX_DEVDAX
1809 { .ival = "dev-dax",
1810 .help = "DAX Device based IO engine",
1811 },
1b10477b 1812#endif
214e1eca
JA		 1813 { .ival = "external",
1814 .help = "Load external engine (append name)",
1815 },
1816 },
1817 },
1818 {
1819 .name = "iodepth",
e8b0e958 1820 .lname = "IO Depth",
214e1eca 1821 .type = FIO_OPT_INT,
a609f12a 1822 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1823 .help = "Number of IO buffers to keep in flight",
757aff4f 1824 .minval = 1,
20eb06bd 1825 .interval = 1,
214e1eca 1826 .def = "1",
e8b0e958 1827 .category = FIO_OPT_C_IO,
0626037e 1828 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1829 },
1830 {
1831 .name = "iodepth_batch",
e8b0e958 1832 .lname = "IO Depth batch",
4950421a 1833 .alias = "iodepth_batch_submit",
214e1eca 1834 .type = FIO_OPT_INT,
a609f12a 1835 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1836 .help = "Number of IO buffers to submit in one go",
afdf9352 1837 .parent = "iodepth",
d71c154c 1838 .hide = 1,
20eb06bd 1839 .interval = 1,
a2e6f8ac 1840 .def = "1",
e8b0e958 1841 .category = FIO_OPT_C_IO,
0626037e 1842 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1843 },
1844 {
82407585
RP		 1845 .name = "iodepth_batch_complete_min",
1846 .lname = "Min IO depth batch complete",
1847 .alias = "iodepth_batch_complete",
4950421a 1848 .type = FIO_OPT_INT,
a609f12a 1849 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1850 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1851 .parent = "iodepth",
d71c154c 1852 .hide = 1,
4950421a 1853 .minval = 0,
20eb06bd 1854 .interval = 1,
4950421a 1855 .def = "1",
e8b0e958 1856 .category = FIO_OPT_C_IO,
0626037e 1857 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1858 },
82407585
RP		 1859 {
1860 .name = "iodepth_batch_complete_max",
1861 .lname = "Max IO depth batch complete",
1862 .type = FIO_OPT_INT,
a609f12a 1863 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1864 .help = "Max number of IO buffers to retrieve in one go",
1865 .parent = "iodepth",
1866 .hide = 1,
1867 .minval = 0,
1868 .interval = 1,
1869 .category = FIO_OPT_C_IO,
1870 .group = FIO_OPT_G_IO_BASIC,
1871 },
214e1eca
JA		 1872 {
1873 .name = "iodepth_low",
e8b0e958 1874 .lname = "IO Depth batch low",
214e1eca 1875 .type = FIO_OPT_INT,
a609f12a 1876 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1877 .help = "Low water mark for queuing depth",
afdf9352 1878 .parent = "iodepth",
d71c154c 1879 .hide = 1,
20eb06bd 1880 .interval = 1,
e8b0e958 1881 .category = FIO_OPT_C_IO,
0626037e 1882 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1883 },
a9da8ab2
JA		 1884 {
1885 .name = "io_submit_mode",
1886 .lname = "IO submit mode",
1887 .type = FIO_OPT_STR,
a609f12a 1888 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1889 .help = "How IO submissions and completions are done",
1890 .def = "inline",
1891 .category = FIO_OPT_C_IO,
1892 .group = FIO_OPT_G_IO_BASIC,
1893 .posval = {
1894 { .ival = "inline",
1895 .oval = IO_MODE_INLINE,
1896 .help = "Submit and complete IO inline",
1897 },
1898 { .ival = "offload",
1899 .oval = IO_MODE_OFFLOAD,
1900 .help = "Offload submit and complete to threads",
1901 },
1902 },
1903 },
214e1eca
JA		 1904 {
1905 .name = "size",
e8b0e958 1906 .lname = "Size",
214e1eca 1907 .type = FIO_OPT_STR_VAL,
7bb59102 1908 .cb = str_size_cb,
a609f12a 1909 .off1 = offsetof(struct thread_options, size),
214e1eca 1910 .help = "Total size of device or files",
20eb06bd 1911 .interval = 1024 * 1024,
e8b0e958
JA		 1912 .category = FIO_OPT_C_IO,
1913 .group = FIO_OPT_G_INVALID,
214e1eca 1914 },
77731b29 1915 {
a4d3b4db
JA		 1916 .name = "io_size",
1917 .alias = "io_limit",
1918 .lname = "IO Size",
77731b29 1919 .type = FIO_OPT_STR_VAL,
5be9bf09 1920 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 1921 .help = "Total size of I/O to be performed",
77731b29
JA		 1922 .interval = 1024 * 1024,
1923 .category = FIO_OPT_C_IO,
1924 .group = FIO_OPT_G_INVALID,
1925 },
aa31f1f1
SL		 1926 {
1927 .name = "fill_device",
e8b0e958 1928 .lname = "Fill device",
74586c1e 1929 .alias = "fill_fs",
aa31f1f1 1930 .type = FIO_OPT_BOOL,
a609f12a 1931 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 1932 .help = "Write until an ENOSPC error occurs",
1933 .def = "0",
e8b0e958
JA		 1934 .category = FIO_OPT_C_FILE,
1935 .group = FIO_OPT_G_INVALID,
aa31f1f1 1936 },
214e1eca
JA		 1937 {
1938 .name = "filesize",
e8b0e958 1939 .lname = "File size",
214e1eca 1940 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 1941 .off1 = offsetof(struct thread_options, file_size_low),
1942 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 1943 .minval = 1,
214e1eca 1944 .help = "Size of individual files",
20eb06bd 1945 .interval = 1024 * 1024,
e8b0e958
JA		 1946 .category = FIO_OPT_C_FILE,
1947 .group = FIO_OPT_G_INVALID,
214e1eca 1948 },
bedc9dc2
JA		 1949 {
1950 .name = "file_append",
1951 .lname = "File append",
1952 .type = FIO_OPT_BOOL,
a609f12a 1953 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 1954 .help = "IO will start at the end of the file(s)",
1955 .def = "0",
1956 .category = FIO_OPT_C_FILE,
1957 .group = FIO_OPT_G_INVALID,
1958 },
67a1000f
JA		 1959 {
1960 .name = "offset",
e8b0e958 1961 .lname = "IO offset",
67a1000f
JA		 1962 .alias = "fileoffset",
1963 .type = FIO_OPT_STR_VAL,
89978a6b 1964 .cb = str_offset_cb,
a609f12a 1965 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 1966 .help = "Start IO from this offset",
1967 .def = "0",
20eb06bd 1968 .interval = 1024 * 1024,
e8b0e958
JA		 1969 .category = FIO_OPT_C_IO,
1970 .group = FIO_OPT_G_INVALID,
67a1000f 1971 },
2d7cd868
JA		 1972 {
1973 .name = "offset_increment",
e8b0e958 1974 .lname = "IO offset increment",
2d7cd868 1975 .type = FIO_OPT_STR_VAL,
a609f12a 1976 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 1977 .help = "What is the increment from one offset to the next",
1978 .parent = "offset",
d71c154c 1979 .hide = 1,
2d7cd868 1980 .def = "0",
20eb06bd 1981 .interval = 1024 * 1024,
e8b0e958
JA		 1982 .category = FIO_OPT_C_IO,
1983 .group = FIO_OPT_G_INVALID,
2d7cd868 1984 },
ddf24e42
JA		 1985 {
1986 .name = "number_ios",
1987 .lname = "Number of IOs to perform",
1988 .type = FIO_OPT_STR_VAL,
a609f12a 1989 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 1990 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1991 .def = "0",
1992 .category = FIO_OPT_C_IO,
1993 .group = FIO_OPT_G_INVALID,
1994 },
214e1eca
JA		 1995 {
1996 .name = "bs",
e8b0e958 1997 .lname = "Block size",
d3aad8f2 1998 .alias = "blocksize",
e01b22b8 1999 .type = FIO_OPT_INT,
a609f12a
JA		 2000 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2001 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2002 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2003 .minval = 1,
214e1eca 2004 .help = "Block size unit",
2b9136a3 2005 .def = "4096",
67a1000f 2006 .parent = "rw",
d71c154c 2007 .hide = 1,
20eb06bd 2008 .interval = 512,
e8b0e958
JA		 2009 .category = FIO_OPT_C_IO,
2010 .group = FIO_OPT_G_INVALID,
214e1eca 2011 },
2b7a01d0
JA		 2012 {
2013 .name = "ba",
e8b0e958 2014 .lname = "Block size align",
2b7a01d0 2015 .alias = "blockalign",
e01b22b8 2016 .type = FIO_OPT_INT,
a609f12a
JA		 2017 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2018 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2019 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2020 .minval = 1,
2021 .help = "IO block offset alignment",
2022 .parent = "rw",
d71c154c 2023 .hide = 1,
20eb06bd 2024 .interval = 512,
e8b0e958
JA		 2025 .category = FIO_OPT_C_IO,
2026 .group = FIO_OPT_G_INVALID,
2b7a01d0 2027 },
214e1eca
JA		 2028 {
2029 .name = "bsrange",
e8b0e958 2030 .lname = "Block size range",
d3aad8f2 2031 .alias = "blocksize_range",
214e1eca 2032 .type = FIO_OPT_RANGE,
a609f12a
JA		 2033 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2034 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2035 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2036 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2037 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2038 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2039 .minval = 1,
214e1eca 2040 .help = "Set block size range (in more detail than bs)",
67a1000f 2041 .parent = "rw",
d71c154c 2042 .hide = 1,
20eb06bd 2043 .interval = 4096,
e8b0e958
JA		 2044 .category = FIO_OPT_C_IO,
2045 .group = FIO_OPT_G_INVALID,
214e1eca 2046 },
564ca972
JA		 2047 {
2048 .name = "bssplit",
e8b0e958 2049 .lname = "Block size split",
564ca972
JA		 2050 .type = FIO_OPT_STR,
2051 .cb = str_bssplit_cb,
a609f12a 2052 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2053 .help = "Set a specific mix of block sizes",
2054 .parent = "rw",
d71c154c 2055 .hide = 1,
e8b0e958
JA		 2056 .category = FIO_OPT_C_IO,
2057 .group = FIO_OPT_G_INVALID,
564ca972 2058 },
214e1eca
JA		 2059 {
2060 .name = "bs_unaligned",
e8b0e958 2061 .lname = "Block size unaligned",
d3aad8f2 2062 .alias = "blocksize_unaligned",
214e1eca 2063 .type = FIO_OPT_STR_SET,
a609f12a 2064 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2065 .help = "Don't sector align IO buffer sizes",
67a1000f 2066 .parent = "rw",
d71c154c 2067 .hide = 1,
e8b0e958
JA		 2068 .category = FIO_OPT_C_IO,
2069 .group = FIO_OPT_G_INVALID,
214e1eca 2070 },
6aca9b3d
JA		 2071 {
2072 .name = "bs_is_seq_rand",
2073 .lname = "Block size division is seq/random (not read/write)",
2074 .type = FIO_OPT_BOOL,
a609f12a 2075 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2076 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2077 .def = "0",
2078 .parent = "blocksize",
2079 .category = FIO_OPT_C_IO,
2080 .group = FIO_OPT_G_INVALID,
2081 },
214e1eca
JA		 2082 {
2083 .name = "randrepeat",
e8b0e958 2084 .lname = "Random repeatable",
214e1eca 2085 .type = FIO_OPT_BOOL,
a609f12a 2086 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2087 .help = "Use repeatable random IO pattern",
2088 .def = "1",
67a1000f 2089 .parent = "rw",
d71c154c 2090 .hide = 1,
e8b0e958 2091 .category = FIO_OPT_C_IO,
3ceb458f 2092 .group = FIO_OPT_G_RANDOM,
214e1eca 2093 },
04778baf
JA		 2094 {
2095 .name = "randseed",
2096 .lname = "The random generator seed",
363cffa7 2097 .type = FIO_OPT_STR_VAL,
a609f12a 2098 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2099 .help = "Set the random generator seed value",
40fe5e7b 2100 .def = "0x89",
04778baf
JA		 2101 .parent = "rw",
2102 .category = FIO_OPT_C_IO,
2103 .group = FIO_OPT_G_RANDOM,
2104 },
2615cc4b
JA		 2105 {
2106 .name = "use_os_rand",
e8b0e958 2107 .lname = "Use OS random",
54a21917 2108 .type = FIO_OPT_DEPRECATED,
a609f12a 2109 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2110 .category = FIO_OPT_C_IO,
3ceb458f 2111 .group = FIO_OPT_G_RANDOM,
2615cc4b 2112 },
214e1eca
JA		 2113 {
2114 .name = "norandommap",
e8b0e958 2115 .lname = "No randommap",
214e1eca 2116 .type = FIO_OPT_STR_SET,
a609f12a 2117 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2118 .help = "Accept potential duplicate random blocks",
67a1000f 2119 .parent = "rw",
d71c154c 2120 .hide = 1,
b2452a43 2121 .hide_on_set = 1,
e8b0e958 2122 .category = FIO_OPT_C_IO,
3ceb458f 2123 .group = FIO_OPT_G_RANDOM,
214e1eca 2124 },
2b386d25
JA		 2125 {
2126 .name = "softrandommap",
e8b0e958 2127 .lname = "Soft randommap",
2b386d25 2128 .type = FIO_OPT_BOOL,
a609f12a 2129 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2130 .help = "Set norandommap if randommap allocation fails",
2b386d25 2131 .parent = "norandommap",
d71c154c 2132 .hide = 1,
2b386d25 2133 .def = "0",
e8b0e958 2134 .category = FIO_OPT_C_IO,
3ceb458f 2135 .group = FIO_OPT_G_RANDOM,
2b386d25 2136 },
8055e41d
JA		 2137 {
2138 .name = "random_generator",
cce2fdfe 2139 .lname = "Random Generator",
8055e41d 2140 .type = FIO_OPT_STR,
a609f12a 2141 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2142 .help = "Type of random number generator to use",
2143 .def = "tausworthe",
2144 .posval = {
2145 { .ival = "tausworthe",
2146 .oval = FIO_RAND_GEN_TAUSWORTHE,
2147 .help = "Strong Tausworthe generator",
2148 },
2149 { .ival = "lfsr",
2150 .oval = FIO_RAND_GEN_LFSR,
2151 .help = "Variable length LFSR",
2152 },
c3546b53
JA		 2153 {
2154 .ival = "tausworthe64",
2155 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2156 .help = "64-bit Tausworthe variant",
2157 },
8055e41d 2158 },
48107598
JA		 2159 .category = FIO_OPT_C_IO,
2160 .group = FIO_OPT_G_RANDOM,
8055e41d 2161 },
e25839d4
JA		 2162 {
2163 .name = "random_distribution",
cce2fdfe 2164 .lname = "Random Distribution",
e25839d4 2165 .type = FIO_OPT_STR,
a609f12a 2166 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2167 .cb = str_random_distribution_cb,
2168 .help = "Random offset distribution generator",
2169 .def = "random",
2170 .posval = {
2171 { .ival = "random",
2172 .oval = FIO_RAND_DIST_RANDOM,
2173 .help = "Completely random",
2174 },
2175 { .ival = "zipf",
2176 .oval = FIO_RAND_DIST_ZIPF,
2177 .help = "Zipf distribution",
2178 },
925fee33
JA		 2179 { .ival = "pareto",
2180 .oval = FIO_RAND_DIST_PARETO,
2181 .help = "Pareto distribution",
2182 },
56d9fa4b
JA		 2183 { .ival = "normal",
2184 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2185 .help = "Normal (Gaussian) distribution",
56d9fa4b 2186 },
e0a04ac1
JA		 2187 { .ival = "zoned",
2188 .oval = FIO_RAND_DIST_ZONED,
2189 .help = "Zoned random distribution",
2190 },
2191
e25839d4 2192 },
48107598
JA		 2193 .category = FIO_OPT_C_IO,
2194 .group = FIO_OPT_G_RANDOM,
e25839d4 2195 },
211c9b89
JA		 2196 {
2197 .name = "percentage_random",
2198 .lname = "Percentage Random",
2199 .type = FIO_OPT_INT,
a609f12a
JA		 2200 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2201 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2202 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2203 .maxval = 100,
2204 .help = "Percentage of seq/random mix that should be random",
d9472271 2205 .def = "100,100,100",
211c9b89
JA		 2206 .interval = 5,
2207 .inverse = "percentage_sequential",
2208 .category = FIO_OPT_C_IO,
2209 .group = FIO_OPT_G_RANDOM,
2210 },
2211 {
2212 .name = "percentage_sequential",
2213 .lname = "Percentage Sequential",
d9472271 2214 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2215 .category = FIO_OPT_C_IO,
2216 .group = FIO_OPT_G_RANDOM,
2217 },
56e2a5fc
CE		 2218 {
2219 .name = "allrandrepeat",
cce2fdfe 2220 .lname = "All Random Repeat",
56e2a5fc 2221 .type = FIO_OPT_BOOL,
a609f12a 2222 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2223 .help = "Use repeatable random numbers for everything",
2224 .def = "0",
a869d9c6
JA		 2225 .category = FIO_OPT_C_IO,
2226 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2227 },
214e1eca
JA		 2228 {
2229 .name = "nrfiles",
e8b0e958 2230 .lname = "Number of files",
d7c8be03 2231 .alias = "nr_files",
214e1eca 2232 .type = FIO_OPT_INT,
a609f12a 2233 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2234 .help = "Split job workload between this number of files",
2235 .def = "1",
20eb06bd 2236 .interval = 1,
e8b0e958
JA		 2237 .category = FIO_OPT_C_FILE,
2238 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2239 },
2240 {
2241 .name = "openfiles",
e8b0e958 2242 .lname = "Number of open files",
214e1eca 2243 .type = FIO_OPT_INT,
a609f12a 2244 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2245 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2246 .category = FIO_OPT_C_FILE,
2247 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2248 },
2249 {
2250 .name = "file_service_type",
e8b0e958 2251 .lname = "File service type",
214e1eca
JA		 2252 .type = FIO_OPT_STR,
2253 .cb = str_fst_cb,
a609f12a 2254 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2255 .help = "How to select which file to service next",
2256 .def = "roundrobin",
e8b0e958
JA		 2257 .category = FIO_OPT_C_FILE,
2258 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2259 .posval = {
2260 { .ival = "random",
2261 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2262 .help = "Choose a file at random (uniform)",
2263 },
2264 { .ival = "zipf",
2265 .oval = FIO_FSERVICE_ZIPF,
2266 .help = "Zipf randomized",
2267 },
2268 { .ival = "pareto",
2269 .oval = FIO_FSERVICE_PARETO,
2270 .help = "Pareto randomized",
2271 },
dd3503d3
SW		 2272 { .ival = "normal",
2273 .oval = FIO_FSERVICE_GAUSS,
2274 .help = "Normal (Gaussian) randomized",
2275 },
8c07860d
JA		 2276 { .ival = "gauss",
2277 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2278 .help = "Alias for normal",
214e1eca
JA		 2279 },
2280 { .ival = "roundrobin",
2281 .oval = FIO_FSERVICE_RR,
2282 .help = "Round robin select files",
2283 },
a086c257
JA		 2284 { .ival = "sequential",
2285 .oval = FIO_FSERVICE_SEQ,
2286 .help = "Finish one file before moving to the next",
2287 },
214e1eca 2288 },
67a1000f 2289 .parent = "nrfiles",
d71c154c 2290 .hide = 1,
67a1000f 2291 },
97ac992c 2292#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2293 {
2294 .name = "fallocate",
e8b0e958 2295 .lname = "Fallocate",
a596f047 2296 .type = FIO_OPT_STR,
a609f12a 2297 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047
EG		 2298 .help = "Whether pre-allocation is performed when laying out files",
2299 .def = "posix",
e8b0e958
JA		 2300 .category = FIO_OPT_C_FILE,
2301 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2302 .posval = {
2303 { .ival = "none",
2304 .oval = FIO_FALLOCATE_NONE,
2305 .help = "Do not pre-allocate space",
2306 },
2307 { .ival = "posix",
2308 .oval = FIO_FALLOCATE_POSIX,
2309 .help = "Use posix_fallocate()",
2310 },
97ac992c 2311#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2312 { .ival = "keep",
2313 .oval = FIO_FALLOCATE_KEEP_SIZE,
2314 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2315 },
7bc8c2cf 2316#endif
a596f047
EG		 2317 /* Compatibility with former boolean values */
2318 { .ival = "0",
2319 .oval = FIO_FALLOCATE_NONE,
2320 .help = "Alias for 'none'",
2321 },
2322 { .ival = "1",
2323 .oval = FIO_FALLOCATE_POSIX,
2324 .help = "Alias for 'posix'",
2325 },
2326 },
2327 },
a275c37a
JA		 2328#else /* CONFIG_POSIX_FALLOCATE */
2329 {
2330 .name = "fallocate",
2331 .lname = "Fallocate",
2332 .type = FIO_OPT_UNSUPPORTED,
2333 .help = "Your platform does not support fallocate",
2334 },
2335#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2336 {
2337 .name = "fadvise_hint",
e8b0e958 2338 .lname = "Fadvise hint",
ecb2083d 2339 .type = FIO_OPT_STR,
a609f12a 2340 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2341 .posval = {
2342 { .ival = "0",
2343 .oval = F_ADV_NONE,
2344 .help = "Don't issue fadvise",
2345 },
2346 { .ival = "1",
2347 .oval = F_ADV_TYPE,
2348 .help = "Advise using fio IO pattern",
2349 },
2350 { .ival = "random",
2351 .oval = F_ADV_RANDOM,
2352 .help = "Advise using FADV_RANDOM",
2353 },
2354 { .ival = "sequential",
2355 .oval = F_ADV_SEQUENTIAL,
2356 .help = "Advise using FADV_SEQUENTIAL",
2357 },
2358 },
67a1000f
JA		 2359 .help = "Use fadvise() to advise the kernel on IO pattern",
2360 .def = "1",
e8b0e958
JA		 2361 .category = FIO_OPT_C_FILE,
2362 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2363 },
2364 {
2365 .name = "fsync",
e8b0e958 2366 .lname = "Fsync",
214e1eca 2367 .type = FIO_OPT_INT,
a609f12a 2368 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2369 .help = "Issue fsync for writes every given number of blocks",
2370 .def = "0",
20eb06bd 2371 .interval = 1,
e8b0e958
JA		 2372 .category = FIO_OPT_C_FILE,
2373 .group = FIO_OPT_G_INVALID,
214e1eca 2374 },
5f9099ea
JA		 2375 {
2376 .name = "fdatasync",
e8b0e958 2377 .lname = "Fdatasync",
5f9099ea 2378 .type = FIO_OPT_INT,
a609f12a 2379 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2380 .help = "Issue fdatasync for writes every given number of blocks",
2381 .def = "0",
20eb06bd 2382 .interval = 1,
e8b0e958
JA		 2383 .category = FIO_OPT_C_FILE,
2384 .group = FIO_OPT_G_INVALID,
5f9099ea 2385 },
1ef2b6be
JA		 2386 {
2387 .name = "write_barrier",
e8b0e958 2388 .lname = "Write barrier",
1ef2b6be 2389 .type = FIO_OPT_INT,
a609f12a 2390 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2391 .help = "Make every Nth write a barrier write",
2392 .def = "0",
20eb06bd 2393 .interval = 1,
e8b0e958
JA		 2394 .category = FIO_OPT_C_IO,
2395 .group = FIO_OPT_G_INVALID,
1ef2b6be 2396 },
67bf9823 2397#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2398 {
2399 .name = "sync_file_range",
e8b0e958 2400 .lname = "Sync file range",
44f29692
JA		 2401 .posval = {
2402 { .ival = "wait_before",
2403 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2404 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2405 .orval = 1,
44f29692
JA		 2406 },
2407 { .ival = "write",
2408 .oval = SYNC_FILE_RANGE_WRITE,
2409 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2410 .orval = 1,
44f29692
JA		 2411 },
2412 {
2413 .ival = "wait_after",
2414 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2415 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2416 .orval = 1,
44f29692
JA		 2417 },
2418 },
3843deb3 2419 .type = FIO_OPT_STR_MULTI,
44f29692 2420 .cb = str_sfr_cb,
a609f12a 2421 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2422 .help = "Use sync_file_range()",
e8b0e958
JA		 2423 .category = FIO_OPT_C_FILE,
2424 .group = FIO_OPT_G_INVALID,
44f29692 2425 },
a275c37a 2426#else
54d0a315 2427 {
a275c37a
JA		 2428 .name = "sync_file_range",
2429 .lname = "Sync file range",
2430 .type = FIO_OPT_UNSUPPORTED,
2431 .help = "Your platform does not support sync_file_range",
2432 },
44f29692 2433#endif
214e1eca
JA		 2434 {
2435 .name = "direct",
e8b0e958 2436 .lname = "Direct I/O",
214e1eca 2437 .type = FIO_OPT_BOOL,
a609f12a 2438 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2439 .help = "Use O_DIRECT IO (negates buffered)",
2440 .def = "0",
a01a1bc5 2441 .inverse = "buffered",
e8b0e958 2442 .category = FIO_OPT_C_IO,
3ceb458f 2443 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2444 },
d01612f3
CM		 2445 {
2446 .name = "atomic",
2447 .lname = "Atomic I/O",
2448 .type = FIO_OPT_BOOL,
a609f12a 2449 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2450 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2451 .def = "0",
2452 .category = FIO_OPT_C_IO,
2453 .group = FIO_OPT_G_IO_TYPE,
2454 },
214e1eca
JA		 2455 {
2456 .name = "buffered",
e8b0e958 2457 .lname = "Buffered I/O",
214e1eca 2458 .type = FIO_OPT_BOOL,
a609f12a 2459 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2460 .neg = 1,
2461 .help = "Use buffered IO (negates direct)",
2462 .def = "1",
a01a1bc5 2463 .inverse = "direct",
e8b0e958 2464 .category = FIO_OPT_C_IO,
3ceb458f 2465 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2466 },
2467 {
2468 .name = "overwrite",
e8b0e958 2469 .lname = "Overwrite",
214e1eca 2470 .type = FIO_OPT_BOOL,
a609f12a 2471 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2472 .help = "When writing, set whether to overwrite current data",
2473 .def = "0",
e8b0e958
JA		 2474 .category = FIO_OPT_C_FILE,
2475 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2476 },
2477 {
2478 .name = "loops",
e8b0e958 2479 .lname = "Loops",
214e1eca 2480 .type = FIO_OPT_INT,
a609f12a 2481 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2482 .help = "Number of times to run the job",
2483 .def = "1",
20eb06bd 2484 .interval = 1,
e8b0e958 2485 .category = FIO_OPT_C_GENERAL,
a1f6afec 2486 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2487 },
2488 {
2489 .name = "numjobs",
e8b0e958 2490 .lname = "Number of jobs",
214e1eca 2491 .type = FIO_OPT_INT,
a609f12a 2492 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2493 .help = "Duplicate this job this many times",
2494 .def = "1",
20eb06bd 2495 .interval = 1,
e8b0e958 2496 .category = FIO_OPT_C_GENERAL,
a1f6afec 2497 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2498 },
2499 {
2500 .name = "startdelay",
e8b0e958 2501 .lname = "Start delay",
a5737c93 2502 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2503 .off1 = offsetof(struct thread_options, start_delay),
2504 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2505 .help = "Only start job when this period has passed",
2506 .def = "0",
0de5b26f 2507 .is_seconds = 1,
88038bc7 2508 .is_time = 1,
e8b0e958 2509 .category = FIO_OPT_C_GENERAL,
a1f6afec 2510 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2511 },
2512 {
2513 .name = "runtime",
e8b0e958 2514 .lname = "Runtime",
214e1eca
JA		 2515 .alias = "timeout",
2516 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2517 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2518 .help = "Stop workload when this amount of time has passed",
2519 .def = "0",
0de5b26f 2520 .is_seconds = 1,
88038bc7 2521 .is_time = 1,
e8b0e958 2522 .category = FIO_OPT_C_GENERAL,
a1f6afec 2523 .group = FIO_OPT_G_RUNTIME,
214e1eca 2524 },
cf4464ca
JA		 2525 {
2526 .name = "time_based",
e8b0e958 2527 .lname = "Time based",
cf4464ca 2528 .type = FIO_OPT_STR_SET,
a609f12a 2529 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2530 .help = "Keep running until runtime/timeout is met",
e8b0e958 2531 .category = FIO_OPT_C_GENERAL,
a1f6afec 2532 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2533 },
62167762
JC		 2534 {
2535 .name = "verify_only",
2536 .lname = "Verify only",
2537 .type = FIO_OPT_STR_SET,
a609f12a 2538 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2539 .help = "Verifies previously written data is still valid",
2540 .category = FIO_OPT_C_GENERAL,
2541 .group = FIO_OPT_G_RUNTIME,
2542 },
721938ae
JA		 2543 {
2544 .name = "ramp_time",
e8b0e958 2545 .lname = "Ramp time",
721938ae 2546 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2547 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2548 .help = "Ramp up time before measuring performance",
0de5b26f 2549 .is_seconds = 1,
88038bc7 2550 .is_time = 1,
e8b0e958 2551 .category = FIO_OPT_C_GENERAL,
a1f6afec 2552 .group = FIO_OPT_G_RUNTIME,
721938ae 2553 },
c223da83
JA		 2554 {
2555 .name = "clocksource",
e8b0e958 2556 .lname = "Clock source",
c223da83
JA		 2557 .type = FIO_OPT_STR,
2558 .cb = fio_clock_source_cb,
a609f12a 2559 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2560 .help = "What type of timing source to use",
e8b0e958 2561 .category = FIO_OPT_C_GENERAL,
10860056 2562 .group = FIO_OPT_G_CLOCK,
c223da83 2563 .posval = {
67bf9823 2564#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2565 { .ival = "gettimeofday",
2566 .oval = CS_GTOD,
2567 .help = "Use gettimeofday(2) for timing",
2568 },
67bf9823
JA		 2569#endif
2570#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2571 { .ival = "clock_gettime",
2572 .oval = CS_CGETTIME,
2573 .help = "Use clock_gettime(2) for timing",
2574 },
67bf9823 2575#endif
c223da83
JA		 2576#ifdef ARCH_HAVE_CPU_CLOCK
2577 { .ival = "cpu",
2578 .oval = CS_CPUCLOCK,
2579 .help = "Use CPU private clock",
2580 },
2581#endif
2582 },
2583 },
214e1eca
JA		 2584 {
2585 .name = "mem",
d3aad8f2 2586 .alias = "iomem",
e8b0e958 2587 .lname = "I/O Memory",
214e1eca
JA		 2588 .type = FIO_OPT_STR,
2589 .cb = str_mem_cb,
a609f12a 2590 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2591 .help = "Backing type for IO buffers",
2592 .def = "malloc",
e8b0e958
JA		 2593 .category = FIO_OPT_C_IO,
2594 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2595 .posval = {
2596 { .ival = "malloc",
2597 .oval = MEM_MALLOC,
2598 .help = "Use malloc(3) for IO buffers",
2599 },
c8931876 2600#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2601 { .ival = "shm",
2602 .oval = MEM_SHM,
2603 .help = "Use shared memory segments for IO buffers",
2604 },
214e1eca
JA		 2605#ifdef FIO_HAVE_HUGETLB
2606 { .ival = "shmhuge",
2607 .oval = MEM_SHMHUGE,
2608 .help = "Like shm, but use huge pages",
2609 },
c8931876 2610#endif
b370e46a 2611#endif
37c8cdfe
JA		 2612 { .ival = "mmap",
2613 .oval = MEM_MMAP,
2614 .help = "Use mmap(2) (file or anon) for IO buffers",
2615 },
217b0f1d
LG		 2616 { .ival = "mmapshared",
2617 .oval = MEM_MMAPSHARED,
2618 .help = "Like mmap, but use the shared flag",
2619 },
214e1eca
JA		 2620#ifdef FIO_HAVE_HUGETLB
2621 { .ival = "mmaphuge",
2622 .oval = MEM_MMAPHUGE,
2623 .help = "Like mmap, but use huge pages",
2624 },
03553853
YR		 2625#endif
2626#ifdef CONFIG_CUDA
2627 { .ival = "cudamalloc",
2628 .oval = MEM_CUDA_MALLOC,
2629 .help = "Allocate GPU device memory for GPUDirect RDMA",
2630 },
214e1eca
JA		 2631#endif
2632 },
2633 },
d529ee19
JA		 2634 {
2635 .name = "iomem_align",
2636 .alias = "mem_align",
e8b0e958 2637 .lname = "I/O memory alignment",
d529ee19 2638 .type = FIO_OPT_INT,
a609f12a 2639 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2640 .minval = 0,
2641 .help = "IO memory buffer offset alignment",
2642 .def = "0",
2643 .parent = "iomem",
d71c154c 2644 .hide = 1,
e8b0e958
JA		 2645 .category = FIO_OPT_C_IO,
2646 .group = FIO_OPT_G_INVALID,
d529ee19 2647 },
214e1eca
JA		 2648 {
2649 .name = "verify",
e8b0e958 2650 .lname = "Verify",
214e1eca 2651 .type = FIO_OPT_STR,
a609f12a 2652 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2653 .help = "Verify data written",
2654 .def = "0",
e8b0e958 2655 .category = FIO_OPT_C_IO,
3ceb458f 2656 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2657 .posval = {
2658 { .ival = "0",
2659 .oval = VERIFY_NONE,
2660 .help = "Don't do IO verification",
2661 },
fcca4b58
JA		 2662 { .ival = "md5",
2663 .oval = VERIFY_MD5,
2664 .help = "Use md5 checksums for verification",
2665 },
d77a7af3
JA		 2666 { .ival = "crc64",
2667 .oval = VERIFY_CRC64,
2668 .help = "Use crc64 checksums for verification",
2669 },
214e1eca
JA		 2670 { .ival = "crc32",
2671 .oval = VERIFY_CRC32,
2672 .help = "Use crc32 checksums for verification",
2673 },
af497e6a 2674 { .ival = "crc32c-intel",
e3aaafc4
JA		 2675 .oval = VERIFY_CRC32C,
2676 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2677 },
bac39e0e
JA		 2678 { .ival = "crc32c",
2679 .oval = VERIFY_CRC32C,
e3aaafc4 2680 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2681 },
969f7ed3
JA		 2682 { .ival = "crc16",
2683 .oval = VERIFY_CRC16,
2684 .help = "Use crc16 checksums for verification",
2685 },
1e154bdb
JA		 2686 { .ival = "crc7",
2687 .oval = VERIFY_CRC7,
2688 .help = "Use crc7 checksums for verification",
2689 },
7c353ceb
JA		 2690 { .ival = "sha1",
2691 .oval = VERIFY_SHA1,
2692 .help = "Use sha1 checksums for verification",
2693 },
cd14cc10
JA		 2694 { .ival = "sha256",
2695 .oval = VERIFY_SHA256,
2696 .help = "Use sha256 checksums for verification",
2697 },
2698 { .ival = "sha512",
2699 .oval = VERIFY_SHA512,
2700 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2701 },
2702 { .ival = "sha3-224",
2703 .oval = VERIFY_SHA3_224,
2704 .help = "Use sha3-224 checksums for verification",
2705 },
2706 { .ival = "sha3-256",
2707 .oval = VERIFY_SHA3_256,
2708 .help = "Use sha3-256 checksums for verification",
2709 },
2710 { .ival = "sha3-384",
2711 .oval = VERIFY_SHA3_384,
2712 .help = "Use sha3-384 checksums for verification",
2713 },
2714 { .ival = "sha3-512",
2715 .oval = VERIFY_SHA3_512,
2716 .help = "Use sha3-512 checksums for verification",
cd14cc10 2717 },
844ea602
JA		 2718 { .ival = "xxhash",
2719 .oval = VERIFY_XXHASH,
2720 .help = "Use xxhash checksums for verification",
2721 },
b638d82f
RP		 2722 /* Meta information was included into verify_header,
2723 * 'meta' verification is implied by default. */
7437ee87 2724 { .ival = "meta",
b638d82f
RP		 2725 .oval = VERIFY_HDR_ONLY,
2726 .help = "Use io information for verification. "
2727 "Now is implied by default, thus option is obsolete, "
2728 "don't use it",
7437ee87 2729 },
59245381
JA		 2730 { .ival = "pattern",
2731 .oval = VERIFY_PATTERN_NO_HDR,
2732 .help = "Verify strict pattern",
2733 },
36690c9b
JA		 2734 {
2735 .ival = "null",
2736 .oval = VERIFY_NULL,
2737 .help = "Pretend to verify",
2738 },
214e1eca
JA		 2739 },
2740 },
005c565a
JA		 2741 {
2742 .name = "do_verify",
e8b0e958 2743 .lname = "Perform verify step",
68e1f29a 2744 .type = FIO_OPT_BOOL,
a609f12a 2745 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2746 .help = "Run verification stage after write",
2747 .def = "1",
2748 .parent = "verify",
d71c154c 2749 .hide = 1,
e8b0e958
JA		 2750 .category = FIO_OPT_C_IO,
2751 .group = FIO_OPT_G_VERIFY,
005c565a 2752 },
160b966d
JA		 2753 {
2754 .name = "verifysort",
e8b0e958 2755 .lname = "Verify sort",
160b966d 2756 .type = FIO_OPT_BOOL,
a609f12a 2757 .off1 = offsetof(struct thread_options, verifysort),
160b966d
JA		 2758 .help = "Sort written verify blocks for read back",
2759 .def = "1",
c83f2df1 2760 .parent = "verify",
d71c154c 2761 .hide = 1,
e8b0e958
JA		 2762 .category = FIO_OPT_C_IO,
2763 .group = FIO_OPT_G_VERIFY,
160b966d 2764 },
1ae83d45
JA		 2765 {
2766 .name = "verifysort_nr",
cce2fdfe 2767 .lname = "Verify Sort Nr",
1ae83d45 2768 .type = FIO_OPT_INT,
a609f12a 2769 .off1 = offsetof(struct thread_options, verifysort_nr),
1ae83d45
JA		 2770 .help = "Pre-load and sort verify blocks for a read workload",
2771 .minval = 0,
2772 .maxval = 131072,
2773 .def = "1024",
2774 .parent = "verify",
836fcc0f
JA		 2775 .category = FIO_OPT_C_IO,
2776 .group = FIO_OPT_G_VERIFY,
1ae83d45 2777 },
3f9f4e26 2778 {
a59e170d 2779 .name = "verify_interval",
e8b0e958 2780 .lname = "Verify interval",
e01b22b8 2781 .type = FIO_OPT_INT,
a609f12a 2782 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2783 .minval = 2 * sizeof(struct verify_header),
a59e170d 2784 .help = "Store verify buffer header every N bytes",
afdf9352 2785 .parent = "verify",
d71c154c 2786 .hide = 1,
20eb06bd 2787 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2788 .category = FIO_OPT_C_IO,
2789 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2790 },
546a9142 2791 {
a59e170d 2792 .name = "verify_offset",
e8b0e958 2793 .lname = "Verify offset",
e01b22b8 2794 .type = FIO_OPT_INT,
a59e170d 2795 .help = "Offset verify header location by N bytes",
a609f12a 2796 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2797 .minval = sizeof(struct verify_header),
afdf9352 2798 .parent = "verify",
d71c154c 2799 .hide = 1,
e8b0e958
JA		 2800 .category = FIO_OPT_C_IO,
2801 .group = FIO_OPT_G_VERIFY,
546a9142 2802 },
e28218f3
SL		 2803 {
2804 .name = "verify_pattern",
e8b0e958 2805 .lname = "Verify pattern",
0e92f873 2806 .type = FIO_OPT_STR,
e28218f3 2807 .cb = str_verify_pattern_cb,
a609f12a 2808 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2809 .help = "Fill pattern for IO buffers",
2810 .parent = "verify",
d71c154c 2811 .hide = 1,
e8b0e958
JA		 2812 .category = FIO_OPT_C_IO,
2813 .group = FIO_OPT_G_VERIFY,
e28218f3 2814 },
a12a3b4d
JA		 2815 {
2816 .name = "verify_fatal",
e8b0e958 2817 .lname = "Verify fatal",
68e1f29a 2818 .type = FIO_OPT_BOOL,
a609f12a 2819 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2820 .def = "0",
2821 .help = "Exit on a single verify failure, don't continue",
2822 .parent = "verify",
d71c154c 2823 .hide = 1,
e8b0e958
JA		 2824 .category = FIO_OPT_C_IO,
2825 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2826 },
b463e936
JA		 2827 {
2828 .name = "verify_dump",
e8b0e958 2829 .lname = "Verify dump",
b463e936 2830 .type = FIO_OPT_BOOL,
a609f12a 2831 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2832 .def = "0",
b463e936
JA		 2833 .help = "Dump contents of good and bad blocks on failure",
2834 .parent = "verify",
d71c154c 2835 .hide = 1,
e8b0e958
JA		 2836 .category = FIO_OPT_C_IO,
2837 .group = FIO_OPT_G_VERIFY,
b463e936 2838 },
e8462bd8
JA		 2839 {
2840 .name = "verify_async",
e8b0e958 2841 .lname = "Verify asynchronously",
e8462bd8 2842 .type = FIO_OPT_INT,
a609f12a 2843 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2844 .def = "0",
2845 .help = "Number of async verifier threads to use",
2846 .parent = "verify",
d71c154c 2847 .hide = 1,
e8b0e958
JA		 2848 .category = FIO_OPT_C_IO,
2849 .group = FIO_OPT_G_VERIFY,
e8462bd8 2850 },
9e144189
JA		 2851 {
2852 .name = "verify_backlog",
e8b0e958 2853 .lname = "Verify backlog",
9e144189 2854 .type = FIO_OPT_STR_VAL,
a609f12a 2855 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2856 .help = "Verify after this number of blocks are written",
2857 .parent = "verify",
d71c154c 2858 .hide = 1,
e8b0e958
JA		 2859 .category = FIO_OPT_C_IO,
2860 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2861 },
2862 {
2863 .name = "verify_backlog_batch",
e8b0e958 2864 .lname = "Verify backlog batch",
9e144189 2865 .type = FIO_OPT_INT,
a609f12a 2866 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2867 .help = "Verify this number of IO blocks",
0d29de83 2868 .parent = "verify",
d71c154c 2869 .hide = 1,
e8b0e958
JA		 2870 .category = FIO_OPT_C_IO,
2871 .group = FIO_OPT_G_VERIFY,
9e144189 2872 },
e8462bd8
JA		 2873#ifdef FIO_HAVE_CPU_AFFINITY
2874 {
2875 .name = "verify_async_cpus",
e8b0e958 2876 .lname = "Async verify CPUs",
e8462bd8
JA		 2877 .type = FIO_OPT_STR,
2878 .cb = str_verify_cpus_allowed_cb,
a609f12a 2879 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2880 .help = "Set CPUs allowed for async verify threads",
2881 .parent = "verify_async",
d71c154c 2882 .hide = 1,
e8b0e958
JA		 2883 .category = FIO_OPT_C_IO,
2884 .group = FIO_OPT_G_VERIFY,
e8462bd8 2885 },
a275c37a
JA		 2886#else
2887 {
2888 .name = "verify_async_cpus",
2889 .lname = "Async verify CPUs",
2890 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2891 .help = "Your platform does not support CPU affinities",
a275c37a 2892 },
0d29de83 2893#endif
51aa2da8
JA		 2894 {
2895 .name = "experimental_verify",
cce2fdfe 2896 .lname = "Experimental Verify",
a609f12a 2897 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2898 .type = FIO_OPT_BOOL,
b31eaac9 2899 .help = "Enable experimental verification",
ca09be4b
JA		 2900 .parent = "verify",
2901 .category = FIO_OPT_C_IO,
2902 .group = FIO_OPT_G_VERIFY,
2903 },
2904 {
2905 .name = "verify_state_load",
2906 .lname = "Load verify state",
a609f12a 2907 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 2908 .type = FIO_OPT_BOOL,
2909 .help = "Load verify termination state",
2910 .parent = "verify",
2911 .category = FIO_OPT_C_IO,
2912 .group = FIO_OPT_G_VERIFY,
2913 },
2914 {
2915 .name = "verify_state_save",
2916 .lname = "Save verify state",
a609f12a 2917 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 2918 .type = FIO_OPT_BOOL,
2919 .def = "1",
2920 .help = "Save verify state on termination",
2921 .parent = "verify",
836fcc0f
JA		 2922 .category = FIO_OPT_C_IO,
2923 .group = FIO_OPT_G_VERIFY,
51aa2da8 2924 },
0d29de83
JA		 2925#ifdef FIO_HAVE_TRIM
2926 {
2927 .name = "trim_percentage",
e8b0e958 2928 .lname = "Trim percentage",
0d29de83 2929 .type = FIO_OPT_INT,
a609f12a 2930 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 2931 .minval = 0,
0d29de83 2932 .maxval = 100,
169c098d 2933 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 2934 .parent = "verify",
2935 .def = "0",
20eb06bd 2936 .interval = 1,
d71c154c 2937 .hide = 1,
e8b0e958
JA		 2938 .category = FIO_OPT_C_IO,
2939 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2940 },
2941 {
2942 .name = "trim_verify_zero",
e8b0e958 2943 .lname = "Verify trim zero",
20eb06bd 2944 .type = FIO_OPT_BOOL,
169c098d 2945 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 2946 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 2947 .parent = "trim_percentage",
d71c154c 2948 .hide = 1,
0d29de83 2949 .def = "1",
e8b0e958
JA		 2950 .category = FIO_OPT_C_IO,
2951 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2952 },
2953 {
2954 .name = "trim_backlog",
e8b0e958 2955 .lname = "Trim backlog",
0d29de83 2956 .type = FIO_OPT_STR_VAL,
a609f12a 2957 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 2958 .help = "Trim after this number of blocks are written",
2959 .parent = "trim_percentage",
d71c154c 2960 .hide = 1,
20eb06bd 2961 .interval = 1,
e8b0e958
JA		 2962 .category = FIO_OPT_C_IO,
2963 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2964 },
2965 {
2966 .name = "trim_backlog_batch",
e8b0e958 2967 .lname = "Trim backlog batch",
0d29de83 2968 .type = FIO_OPT_INT,
a609f12a 2969 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 2970 .help = "Trim this number of IO blocks",
2971 .parent = "trim_percentage",
d71c154c 2972 .hide = 1,
20eb06bd 2973 .interval = 1,
e8b0e958
JA		 2974 .category = FIO_OPT_C_IO,
2975 .group = FIO_OPT_G_TRIM,
0d29de83 2976 },
a275c37a
JA		 2977#else
2978 {
2979 .name = "trim_percentage",
2980 .lname = "Trim percentage",
2981 .type = FIO_OPT_UNSUPPORTED,
2982 .help = "Fio does not support TRIM on your platform",
2983 },
2984 {
2985 .name = "trim_verify_zero",
2986 .lname = "Verify trim zero",
2987 .type = FIO_OPT_UNSUPPORTED,
2988 .help = "Fio does not support TRIM on your platform",
2989 },
2990 {
2991 .name = "trim_backlog",
2992 .lname = "Trim backlog",
2993 .type = FIO_OPT_UNSUPPORTED,
2994 .help = "Fio does not support TRIM on your platform",
2995 },
2996 {
2997 .name = "trim_backlog_batch",
2998 .lname = "Trim backlog batch",
2999 .type = FIO_OPT_UNSUPPORTED,
3000 .help = "Fio does not support TRIM on your platform",
3001 },
e8462bd8 3002#endif
214e1eca
JA		 3003 {
3004 .name = "write_iolog",
e8b0e958 3005 .lname = "Write I/O log",
214e1eca 3006 .type = FIO_OPT_STR_STORE,
a609f12a 3007 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3008 .help = "Store IO pattern to file",
e8b0e958
JA		 3009 .category = FIO_OPT_C_IO,
3010 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3011 },
3012 {
3013 .name = "read_iolog",
e8b0e958 3014 .lname = "Read I/O log",
214e1eca 3015 .type = FIO_OPT_STR_STORE,
a609f12a 3016 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3017 .help = "Playback IO pattern from file",
e8b0e958
JA		 3018 .category = FIO_OPT_C_IO,
3019 .group = FIO_OPT_G_IOLOG,
214e1eca 3020 },
64bbb865
DN		 3021 {
3022 .name = "replay_no_stall",
e8b0e958 3023 .lname = "Don't stall on replay",
20eb06bd 3024 .type = FIO_OPT_BOOL,
a609f12a 3025 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3026 .def = "0",
87e7a972 3027 .parent = "read_iolog",
d71c154c 3028 .hide = 1,
64bbb865 3029 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3030 .category = FIO_OPT_C_IO,
3031 .group = FIO_OPT_G_IOLOG,
64bbb865 3032 },
d1c46c04
DN		 3033 {
3034 .name = "replay_redirect",
e8b0e958 3035 .lname = "Redirect device for replay",
d1c46c04 3036 .type = FIO_OPT_STR_STORE,
a609f12a 3037 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3038 .parent = "read_iolog",
d71c154c 3039 .hide = 1,
d1c46c04 3040 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3041 .category = FIO_OPT_C_IO,
3042 .group = FIO_OPT_G_IOLOG,
d1c46c04 3043 },
0c63576e
JA		 3044 {
3045 .name = "replay_scale",
3046 .lname = "Replace offset scale factor",
3047 .type = FIO_OPT_INT,
a609f12a 3048 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3049 .parent = "read_iolog",
3050 .def = "1",
3051 .help = "Align offsets to this blocksize",
3052 .category = FIO_OPT_C_IO,
3053 .group = FIO_OPT_G_IOLOG,
3054 },
3055 {
3056 .name = "replay_align",
3057 .lname = "Replace alignment",
3058 .type = FIO_OPT_INT,
a609f12a 3059 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3060 .parent = "read_iolog",
3061 .help = "Scale offset down by this factor",
3062 .category = FIO_OPT_C_IO,
3063 .group = FIO_OPT_G_IOLOG,
3064 .pow2 = 1,
3065 },
214e1eca
JA		 3066 {
3067 .name = "exec_prerun",
e8b0e958 3068 .lname = "Pre-execute runnable",
214e1eca 3069 .type = FIO_OPT_STR_STORE,
a609f12a 3070 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3071 .help = "Execute this file prior to running job",
e8b0e958
JA		 3072 .category = FIO_OPT_C_GENERAL,
3073 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3074 },
3075 {
3076 .name = "exec_postrun",
e8b0e958 3077 .lname = "Post-execute runnable",
214e1eca 3078 .type = FIO_OPT_STR_STORE,
a609f12a 3079 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3080 .help = "Execute this file after running job",
e8b0e958
JA		 3081 .category = FIO_OPT_C_GENERAL,
3082 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3083 },
3084#ifdef FIO_HAVE_IOSCHED_SWITCH
3085 {
3086 .name = "ioscheduler",
e8b0e958 3087 .lname = "I/O scheduler",
214e1eca 3088 .type = FIO_OPT_STR_STORE,
a609f12a 3089 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3090 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3091 .category = FIO_OPT_C_FILE,
3092 .group = FIO_OPT_G_INVALID,
214e1eca 3093 },
a275c37a
JA		 3094#else
3095 {
3096 .name = "ioscheduler",
3097 .lname = "I/O scheduler",
3098 .type = FIO_OPT_UNSUPPORTED,
3099 .help = "Your platform does not support IO scheduler switching",
3100 },
214e1eca
JA		 3101#endif
3102 {
3103 .name = "zonesize",
e8b0e958 3104 .lname = "Zone size",
214e1eca 3105 .type = FIO_OPT_STR_VAL,
a609f12a 3106 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3107 .help = "Amount of data to read per zone",
3108 .def = "0",
20eb06bd 3109 .interval = 1024 * 1024,
e8b0e958
JA		 3110 .category = FIO_OPT_C_IO,
3111 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3112 },
3113 {
3114 .name = "zonerange",
e8b0e958 3115 .lname = "Zone range",
ed335855 3116 .type = FIO_OPT_STR_VAL,
a609f12a 3117 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3118 .help = "Give size of an IO zone",
3119 .def = "0",
20eb06bd 3120 .interval = 1024 * 1024,
e8b0e958
JA		 3121 .category = FIO_OPT_C_IO,
3122 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3123 },
3124 {
3125 .name = "zoneskip",
e8b0e958 3126 .lname = "Zone skip",
214e1eca 3127 .type = FIO_OPT_STR_VAL,
a609f12a 3128 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3129 .help = "Space between IO zones",
3130 .def = "0",
20eb06bd 3131 .interval = 1024 * 1024,
e8b0e958
JA		 3132 .category = FIO_OPT_C_IO,
3133 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3134 },
3135 {
3136 .name = "lockmem",
e8b0e958 3137 .lname = "Lock memory",
214e1eca 3138 .type = FIO_OPT_STR_VAL,
a609f12a 3139 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3140 .help = "Lock down this amount of memory (per worker)",
214e1eca 3141 .def = "0",
20eb06bd 3142 .interval = 1024 * 1024,
e8b0e958
JA		 3143 .category = FIO_OPT_C_GENERAL,
3144 .group = FIO_OPT_G_INVALID,
214e1eca 3145 },
214e1eca
JA		 3146 {
3147 .name = "rwmixread",
e8b0e958 3148 .lname = "Read/write mix read",
214e1eca 3149 .type = FIO_OPT_INT,
cb499fc4 3150 .cb = str_rwmix_read_cb,
a609f12a 3151 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3152 .maxval = 100,
3153 .help = "Percentage of mixed workload that is reads",
3154 .def = "50",
20eb06bd 3155 .interval = 5,
90265353 3156 .inverse = "rwmixwrite",
e8b0e958
JA		 3157 .category = FIO_OPT_C_IO,
3158 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3159 },
3160 {
3161 .name = "rwmixwrite",
e8b0e958 3162 .lname = "Read/write mix write",
214e1eca 3163 .type = FIO_OPT_INT,
cb499fc4 3164 .cb = str_rwmix_write_cb,
a609f12a 3165 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3166 .maxval = 100,
3167 .help = "Percentage of mixed workload that is writes",
3168 .def = "50",
20eb06bd 3169 .interval = 5,
90265353 3170 .inverse = "rwmixread",
e8b0e958
JA		 3171 .category = FIO_OPT_C_IO,
3172 .group = FIO_OPT_G_RWMIX,
214e1eca 3173 },
afdf9352
JA		 3174 {
3175 .name = "rwmixcycle",
e8b0e958 3176 .lname = "Read/write mix cycle",
15ca150e 3177 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3178 .category = FIO_OPT_C_IO,
3179 .group = FIO_OPT_G_RWMIX,
afdf9352 3180 },
214e1eca
JA		 3181 {
3182 .name = "nice",
e8b0e958 3183 .lname = "Nice",
214e1eca 3184 .type = FIO_OPT_INT,
a609f12a 3185 .off1 = offsetof(struct thread_options, nice),
214e1eca
JA		 3186 .help = "Set job CPU nice value",
3187 .minval = -19,
3188 .maxval = 20,
3189 .def = "0",
20eb06bd 3190 .interval = 1,
e8b0e958 3191 .category = FIO_OPT_C_GENERAL,
10860056 3192 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3193 },
3194#ifdef FIO_HAVE_IOPRIO
3195 {
3196 .name = "prio",
e8b0e958 3197 .lname = "I/O nice priority",
214e1eca 3198 .type = FIO_OPT_INT,
a609f12a 3199 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3200 .help = "Set job IO priority value",
1767bd34
TK		 3201 .minval = IOPRIO_MIN_PRIO,
3202 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3203 .interval = 1,
e8b0e958 3204 .category = FIO_OPT_C_GENERAL,
10860056 3205 .group = FIO_OPT_G_CRED,
214e1eca 3206 },
32ef447a
TK		 3207#else
3208 {
3209 .name = "prio",
3210 .lname = "I/O nice priority",
3211 .type = FIO_OPT_UNSUPPORTED,
3212 .help = "Your platform does not support IO priorities",
3213 },
3214#endif
3215#ifdef FIO_HAVE_IOPRIO_CLASS
3216#ifndef FIO_HAVE_IOPRIO
3217#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3218#endif
214e1eca
JA		 3219 {
3220 .name = "prioclass",
e8b0e958 3221 .lname = "I/O nice priority class",
214e1eca 3222 .type = FIO_OPT_INT,
a609f12a 3223 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3224 .help = "Set job IO priority class",
1767bd34
TK		 3225 .minval = IOPRIO_MIN_PRIO_CLASS,
3226 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3227 .interval = 1,
e8b0e958 3228 .category = FIO_OPT_C_GENERAL,
10860056 3229 .group = FIO_OPT_G_CRED,
214e1eca 3230 },
a275c37a 3231#else
a275c37a
JA		 3232 {
3233 .name = "prioclass",
3234 .lname = "I/O nice priority class",
3235 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3236 .help = "Your platform does not support IO priority classes",
a275c37a 3237 },
214e1eca
JA		 3238#endif
3239 {
3240 .name = "thinktime",
e8b0e958 3241 .lname = "Thinktime",
214e1eca 3242 .type = FIO_OPT_INT,
a609f12a 3243 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3244 .help = "Idle time between IO buffers (usec)",
3245 .def = "0",
88038bc7 3246 .is_time = 1,
e8b0e958 3247 .category = FIO_OPT_C_IO,
3ceb458f 3248 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3249 },
3250 {
3251 .name = "thinktime_spin",
e8b0e958 3252 .lname = "Thinktime spin",
214e1eca 3253 .type = FIO_OPT_INT,
a609f12a 3254 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3255 .help = "Start think time by spinning this amount (usec)",
3256 .def = "0",
88038bc7 3257 .is_time = 1,
afdf9352 3258 .parent = "thinktime",
d71c154c 3259 .hide = 1,
e8b0e958 3260 .category = FIO_OPT_C_IO,
3ceb458f 3261 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3262 },
3263 {
3264 .name = "thinktime_blocks",
e8b0e958 3265 .lname = "Thinktime blocks",
214e1eca 3266 .type = FIO_OPT_INT,
a609f12a 3267 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3268 .help = "IO buffer period between 'thinktime'",
3269 .def = "1",
afdf9352 3270 .parent = "thinktime",
d71c154c 3271 .hide = 1,
e8b0e958 3272 .category = FIO_OPT_C_IO,
3ceb458f 3273 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3274 },
3275 {
3276 .name = "rate",
e8b0e958 3277 .lname = "I/O rate",
e01b22b8 3278 .type = FIO_OPT_INT,
a609f12a
JA		 3279 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3280 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3281 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3282 .help = "Set bandwidth rate",
e8b0e958
JA		 3283 .category = FIO_OPT_C_IO,
3284 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3285 },
3286 {
6d428bcd
JA		 3287 .name = "rate_min",
3288 .alias = "ratemin",
e8b0e958 3289 .lname = "I/O min rate",
e01b22b8 3290 .type = FIO_OPT_INT,
a609f12a
JA		 3291 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3292 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3293 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3294 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3295 .parent = "rate",
d71c154c 3296 .hide = 1,
e8b0e958
JA		 3297 .category = FIO_OPT_C_IO,
3298 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3299 },
3300 {
3301 .name = "rate_iops",
e8b0e958 3302 .lname = "I/O rate IOPS",
e01b22b8 3303 .type = FIO_OPT_INT,
a609f12a
JA		 3304 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3305 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3306 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3307 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3308 .hide = 1,
e8b0e958
JA		 3309 .category = FIO_OPT_C_IO,
3310 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3311 },
3312 {
3313 .name = "rate_iops_min",
e8b0e958 3314 .lname = "I/O min rate IOPS",
e01b22b8 3315 .type = FIO_OPT_INT,
a609f12a
JA		 3316 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3317 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3318 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3319 .help = "Job must meet this rate or it will be shut down",
afdf9352 3320 .parent = "rate_iops",
d71c154c 3321 .hide = 1,
e8b0e958
JA		 3322 .category = FIO_OPT_C_IO,
3323 .group = FIO_OPT_G_RATE,
214e1eca 3324 },
ff6bb260 3325 {
6de65959
JA		 3326 .name = "rate_process",
3327 .lname = "Rate Process",
3328 .type = FIO_OPT_STR,
a609f12a 3329 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3330 .help = "What process controls how rated IO is managed",
3331 .def = "linear",
ff6bb260
SL		 3332 .category = FIO_OPT_C_IO,
3333 .group = FIO_OPT_G_RATE,
6de65959
JA		 3334 .posval = {
3335 { .ival = "linear",
3336 .oval = RATE_PROCESS_LINEAR,
3337 .help = "Linear rate of IO",
3338 },
3339 {
3340 .ival = "poisson",
3341 .oval = RATE_PROCESS_POISSON,
3342 .help = "Rate follows Poisson process",
3343 },
3344 },
3345 .parent = "rate",
ff6bb260 3346 },
214e1eca 3347 {
6d428bcd
JA		 3348 .name = "rate_cycle",
3349 .alias = "ratecycle",
e8b0e958 3350 .lname = "I/O rate cycle",
214e1eca 3351 .type = FIO_OPT_INT,
a609f12a 3352 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3353 .help = "Window average for rate limits (msec)",
3354 .def = "1000",
afdf9352 3355 .parent = "rate",
d71c154c 3356 .hide = 1,
e8b0e958
JA		 3357 .category = FIO_OPT_C_IO,
3358 .group = FIO_OPT_G_RATE,
214e1eca 3359 },
15501535
JA		 3360 {
3361 .name = "max_latency",
cce2fdfe 3362 .lname = "Max Latency",
15501535 3363 .type = FIO_OPT_INT,
a609f12a 3364 .off1 = offsetof(struct thread_options, max_latency),
15501535 3365 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3366 .is_time = 1,
1e5324e7 3367 .category = FIO_OPT_C_IO,
3e260a46
JA		 3368 .group = FIO_OPT_G_LATPROF,
3369 },
3370 {
3371 .name = "latency_target",
3372 .lname = "Latency Target (usec)",
3373 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3374 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3375 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3376 .is_time = 1,
3e260a46
JA		 3377 .category = FIO_OPT_C_IO,
3378 .group = FIO_OPT_G_LATPROF,
3379 },
3380 {
3381 .name = "latency_window",
3382 .lname = "Latency Window (usec)",
3383 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3384 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3385 .help = "Time to sustain latency_target",
88038bc7 3386 .is_time = 1,
3e260a46
JA		 3387 .category = FIO_OPT_C_IO,
3388 .group = FIO_OPT_G_LATPROF,
3389 },
3390 {
3391 .name = "latency_percentile",
3392 .lname = "Latency Percentile",
3393 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3394 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3395 .help = "Percentile of IOs must be below latency_target",
3396 .def = "100",
3397 .maxlen = 1,
3398 .minfp = 0.0,
3399 .maxfp = 100.0,
3400 .category = FIO_OPT_C_IO,
3401 .group = FIO_OPT_G_LATPROF,
15501535 3402 },
214e1eca
JA		 3403 {
3404 .name = "invalidate",
e8b0e958 3405 .lname = "Cache invalidate",
214e1eca 3406 .type = FIO_OPT_BOOL,
a609f12a 3407 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3408 .help = "Invalidate buffer/page cache prior to running job",
3409 .def = "1",
e8b0e958 3410 .category = FIO_OPT_C_IO,
3ceb458f 3411 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3412 },
3413 {
3414 .name = "sync",
e8b0e958 3415 .lname = "Synchronous I/O",
214e1eca 3416 .type = FIO_OPT_BOOL,
a609f12a 3417 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3418 .help = "Use O_SYNC for buffered writes",
3419 .def = "0",
67a1000f 3420 .parent = "buffered",
d71c154c 3421 .hide = 1,
e8b0e958 3422 .category = FIO_OPT_C_IO,
3ceb458f 3423 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3424 },
ae8e559e
JA		 3425#ifdef FIO_HAVE_WRITE_HINT
3426 {
3427 .name = "write_hint",
3428 .lname = "Write hint",
3429 .type = FIO_OPT_STR,
3430 .off1 = offsetof(struct thread_options, write_hint),
3431 .help = "Set expected write life time",
3432 .category = FIO_OPT_C_ENGINE,
3433 .group = FIO_OPT_G_INVALID,
3434 .posval = {
3435 { .ival = "none",
3436 .oval = RWH_WRITE_LIFE_NONE,
3437 },
3438 { .ival = "short",
3439 .oval = RWH_WRITE_LIFE_SHORT,
3440 },
3441 { .ival = "medium",
3442 .oval = RWH_WRITE_LIFE_MEDIUM,
3443 },
3444 { .ival = "long",
3445 .oval = RWH_WRITE_LIFE_LONG,
3446 },
3447 { .ival = "extreme",
3448 .oval = RWH_WRITE_LIFE_EXTREME,
3449 },
3450 },
3451 },
3452#endif
214e1eca
JA		 3453 {
3454 .name = "create_serialize",
e8b0e958 3455 .lname = "Create serialize",
214e1eca 3456 .type = FIO_OPT_BOOL,
a609f12a 3457 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3458 .help = "Serialize creation of job files",
214e1eca 3459 .def = "1",
e8b0e958
JA		 3460 .category = FIO_OPT_C_FILE,
3461 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3462 },
3463 {
3464 .name = "create_fsync",
e8b0e958 3465 .lname = "Create fsync",
214e1eca 3466 .type = FIO_OPT_BOOL,
a609f12a 3467 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3468 .help = "fsync file after creation",
214e1eca 3469 .def = "1",
e8b0e958
JA		 3470 .category = FIO_OPT_C_FILE,
3471 .group = FIO_OPT_G_INVALID,
214e1eca 3472 },
814452bd
JA		 3473 {
3474 .name = "create_on_open",
e8b0e958 3475 .lname = "Create on open",
814452bd 3476 .type = FIO_OPT_BOOL,
a609f12a 3477 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3478 .help = "Create files when they are opened for IO",
3479 .def = "0",
e8b0e958
JA		 3480 .category = FIO_OPT_C_FILE,
3481 .group = FIO_OPT_G_INVALID,
814452bd 3482 },
25460cf6
JA		 3483 {
3484 .name = "create_only",
cce2fdfe 3485 .lname = "Create Only",
25460cf6 3486 .type = FIO_OPT_BOOL,
a609f12a 3487 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3488 .help = "Only perform file creation phase",
d17fda71 3489 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3490 .def = "0",
3491 },
2378826d
JA		 3492 {
3493 .name = "allow_file_create",
e81ecca3 3494 .lname = "Allow file create",
2378826d 3495 .type = FIO_OPT_BOOL,
a609f12a 3496 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3497 .help = "Permit fio to create files, if they don't exist",
3498 .def = "1",
3499 .category = FIO_OPT_C_FILE,
3500 .group = FIO_OPT_G_FILENAME,
3501 },
e81ecca3
JA		 3502 {
3503 .name = "allow_mounted_write",
3504 .lname = "Allow mounted write",
3505 .type = FIO_OPT_BOOL,
a609f12a 3506 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3507 .help = "Allow writes to a mounted partition",
3508 .def = "0",
3509 .category = FIO_OPT_C_FILE,
3510 .group = FIO_OPT_G_FILENAME,
3511 },
0b9d69ec 3512 {
afad68f7 3513 .name = "pre_read",
e8b0e958 3514 .lname = "Pre-read files",
afad68f7 3515 .type = FIO_OPT_BOOL,
a609f12a 3516 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3517 .help = "Pre-read files before starting official testing",
afad68f7 3518 .def = "0",
e8b0e958
JA		 3519 .category = FIO_OPT_C_FILE,
3520 .group = FIO_OPT_G_INVALID,
afad68f7 3521 },
214e1eca
JA		 3522#ifdef FIO_HAVE_CPU_AFFINITY
3523 {
3524 .name = "cpumask",
e8b0e958 3525 .lname = "CPU mask",
214e1eca
JA		 3526 .type = FIO_OPT_INT,
3527 .cb = str_cpumask_cb,
a609f12a 3528 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3529 .help = "CPU affinity mask",
e8b0e958 3530 .category = FIO_OPT_C_GENERAL,
10860056 3531 .group = FIO_OPT_G_CRED,
214e1eca 3532 },
d2e268b0
JA		 3533 {
3534 .name = "cpus_allowed",
e8b0e958 3535 .lname = "CPUs allowed",
d2e268b0
JA		 3536 .type = FIO_OPT_STR,
3537 .cb = str_cpus_allowed_cb,
a609f12a 3538 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3539 .help = "Set CPUs allowed",
e8b0e958 3540 .category = FIO_OPT_C_GENERAL,
10860056 3541 .group = FIO_OPT_G_CRED,
d2e268b0 3542 },
c2acfbac
JA		 3543 {
3544 .name = "cpus_allowed_policy",
3545 .lname = "CPUs allowed distribution policy",
3546 .type = FIO_OPT_STR,
a609f12a 3547 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3548 .help = "Distribution policy for cpus_allowed",
3549 .parent = "cpus_allowed",
3550 .prio = 1,
3551 .posval = {
3552 { .ival = "shared",
3553 .oval = FIO_CPUS_SHARED,
3554 .help = "Mask shared between threads",
3555 },
3556 { .ival = "split",
3557 .oval = FIO_CPUS_SPLIT,
3558 .help = "Mask split between threads",
3559 },
3560 },
3561 .category = FIO_OPT_C_GENERAL,
3562 .group = FIO_OPT_G_CRED,
3563 },
a275c37a
JA		 3564#else
3565 {
3566 .name = "cpumask",
3567 .lname = "CPU mask",
3568 .type = FIO_OPT_UNSUPPORTED,
3569 .help = "Your platform does not support CPU affinities",
3570 },
3571 {
3572 .name = "cpus_allowed",
3573 .lname = "CPUs allowed",
3574 .type = FIO_OPT_UNSUPPORTED,
3575 .help = "Your platform does not support CPU affinities",
3576 },
3577 {
3578 .name = "cpus_allowed_policy",
3579 .lname = "CPUs allowed distribution policy",
3580 .type = FIO_OPT_UNSUPPORTED,
3581 .help = "Your platform does not support CPU affinities",
3582 },
d0b937ed 3583#endif
67bf9823 3584#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3585 {
3586 .name = "numa_cpu_nodes",
cce2fdfe 3587 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3588 .type = FIO_OPT_STR,
3589 .cb = str_numa_cpunodes_cb,
a609f12a 3590 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3591 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3592 .category = FIO_OPT_C_GENERAL,
3593 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3594 },
3595 {
3596 .name = "numa_mem_policy",
cce2fdfe 3597 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3598 .type = FIO_OPT_STR,
3599 .cb = str_numa_mpol_cb,
a609f12a 3600 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3601 .help = "NUMA memory policy setup",
6be54b2d
JA		 3602 .category = FIO_OPT_C_GENERAL,
3603 .group = FIO_OPT_G_INVALID,
d0b937ed 3604 },
a275c37a
JA		 3605#else
3606 {
3607 .name = "numa_cpu_nodes",
3608 .lname = "NUMA CPU Nodes",
3609 .type = FIO_OPT_UNSUPPORTED,
3610 .help = "Build fio with libnuma-dev(el) to enable this option",
3611 },
3612 {
3613 .name = "numa_mem_policy",
3614 .lname = "NUMA Memory Policy",
3615 .type = FIO_OPT_UNSUPPORTED,
3616 .help = "Build fio with libnuma-dev(el) to enable this option",
3617 },
03553853
YR		 3618#endif
3619#ifdef CONFIG_CUDA
3620 {
3621 .name = "gpu_dev_id",
3622 .lname = "GPU device ID",
3623 .type = FIO_OPT_INT,
3624 .off1 = offsetof(struct thread_options, gpu_dev_id),
3625 .help = "Set GPU device ID for GPUDirect RDMA",
3626 .def = "0",
3627 .category = FIO_OPT_C_GENERAL,
3628 .group = FIO_OPT_G_INVALID,
3629 },
214e1eca
JA		 3630#endif
3631 {
3632 .name = "end_fsync",
e8b0e958 3633 .lname = "End fsync",
214e1eca 3634 .type = FIO_OPT_BOOL,
a609f12a 3635 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3636 .help = "Include fsync at the end of job",
3637 .def = "0",
e8b0e958
JA		 3638 .category = FIO_OPT_C_FILE,
3639 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3640 },
3641 {
3642 .name = "fsync_on_close",
e8b0e958 3643 .lname = "Fsync on close",
214e1eca 3644 .type = FIO_OPT_BOOL,
a609f12a 3645 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3646 .help = "fsync files on close",
3647 .def = "0",
e8b0e958
JA		 3648 .category = FIO_OPT_C_FILE,
3649 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3650 },
3651 {
3652 .name = "unlink",
e8b0e958 3653 .lname = "Unlink file",
214e1eca 3654 .type = FIO_OPT_BOOL,
a609f12a 3655 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3656 .help = "Unlink created files after job has completed",
3657 .def = "0",
e8b0e958
JA		 3658 .category = FIO_OPT_C_FILE,
3659 .group = FIO_OPT_G_INVALID,
214e1eca 3660 },
39c1c323 3661 {
3662 .name = "unlink_each_loop",
3663 .lname = "Unlink file after each loop of a job",
3664 .type = FIO_OPT_BOOL,
a609f12a 3665 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3666 .help = "Unlink created files after each loop in a job has completed",
3667 .def = "0",
3668 .category = FIO_OPT_C_FILE,
3669 .group = FIO_OPT_G_INVALID,
3670 },
214e1eca
JA		 3671 {
3672 .name = "exitall",
e8b0e958 3673 .lname = "Exit-all on terminate",
214e1eca
JA		 3674 .type = FIO_OPT_STR_SET,
3675 .cb = str_exitall_cb,
3676 .help = "Terminate all jobs when one exits",
e8b0e958 3677 .category = FIO_OPT_C_GENERAL,
a1f6afec 3678 .group = FIO_OPT_G_PROCESS,
214e1eca 3679 },
f9cafb12
JA		 3680 {
3681 .name = "exitall_on_error",
3682 .lname = "Exit-all on terminate in error",
78abcf9b 3683 .type = FIO_OPT_STR_SET,
a609f12a 3684 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3685 .help = "Terminate all jobs when one exits in error",
3686 .category = FIO_OPT_C_GENERAL,
3687 .group = FIO_OPT_G_PROCESS,
3688 },
214e1eca
JA		 3689 {
3690 .name = "stonewall",
e8b0e958 3691 .lname = "Wait for previous",
d392365e 3692 .alias = "wait_for_previous",
214e1eca 3693 .type = FIO_OPT_STR_SET,
a609f12a 3694 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3695 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3696 .category = FIO_OPT_C_GENERAL,
a1f6afec 3697 .group = FIO_OPT_G_PROCESS,
214e1eca 3698 },
b3d62a75
JA		 3699 {
3700 .name = "new_group",
e8b0e958 3701 .lname = "New group",
b3d62a75 3702 .type = FIO_OPT_STR_SET,
a609f12a 3703 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3704 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3705 .category = FIO_OPT_C_GENERAL,
a1f6afec 3706 .group = FIO_OPT_G_PROCESS,
b3d62a75 3707 },
214e1eca
JA		 3708 {
3709 .name = "thread",
e8b0e958 3710 .lname = "Thread",
214e1eca 3711 .type = FIO_OPT_STR_SET,
a609f12a 3712 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3713 .help = "Use threads instead of processes",
c8931876
JA		 3714#ifdef CONFIG_NO_SHM
3715 .def = "1",
3716 .no_warn_def = 1,
3717#endif
e8b0e958 3718 .category = FIO_OPT_C_GENERAL,
a1f6afec 3719 .group = FIO_OPT_G_PROCESS,
214e1eca 3720 },
3a5db920
JA		 3721 {
3722 .name = "per_job_logs",
cce2fdfe 3723 .lname = "Per Job Logs",
3a5db920 3724 .type = FIO_OPT_BOOL,
a609f12a 3725 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3726 .help = "Include job number in generated log files or not",
3727 .def = "1",
3728 .category = FIO_OPT_C_LOG,
3729 .group = FIO_OPT_G_INVALID,
3730 },
214e1eca
JA		 3731 {
3732 .name = "write_bw_log",
e8b0e958 3733 .lname = "Write bandwidth log",
dded427c 3734 .type = FIO_OPT_STR,
a609f12a 3735 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3736 .cb = str_write_bw_log_cb,
214e1eca 3737 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3738 .category = FIO_OPT_C_LOG,
3739 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3740 },
3741 {
3742 .name = "write_lat_log",
e8b0e958 3743 .lname = "Write latency log",
dded427c 3744 .type = FIO_OPT_STR,
a609f12a 3745 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3746 .cb = str_write_lat_log_cb,
214e1eca 3747 .help = "Write log of latency during run",
e8b0e958
JA		 3748 .category = FIO_OPT_C_LOG,
3749 .group = FIO_OPT_G_INVALID,
214e1eca 3750 },
c8eeb9df
JA		 3751 {
3752 .name = "write_iops_log",
e8b0e958 3753 .lname = "Write IOPS log",
dded427c 3754 .type = FIO_OPT_STR,
a609f12a 3755 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3756 .cb = str_write_iops_log_cb,
c8eeb9df 3757 .help = "Write log of IOPS during run",
e8b0e958
JA		 3758 .category = FIO_OPT_C_LOG,
3759 .group = FIO_OPT_G_INVALID,
c8eeb9df 3760 },
b8bc8cba
JA		 3761 {
3762 .name = "log_avg_msec",
e8b0e958 3763 .lname = "Log averaging (msec)",
b8bc8cba 3764 .type = FIO_OPT_INT,
a609f12a 3765 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3766 .help = "Average bw/iops/lat logs over this period of time",
3767 .def = "0",
e8b0e958 3768 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3769 .group = FIO_OPT_G_INVALID,
3770 },
3771 {
3772 .name = "log_hist_msec",
3773 .lname = "Log histograms (msec)",
3774 .type = FIO_OPT_INT,
a609f12a 3775 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3776 .help = "Dump completion latency histograms at frequency of this time value",
3777 .def = "0",
3778 .category = FIO_OPT_C_LOG,
3779 .group = FIO_OPT_G_INVALID,
3780 },
3781 {
3782 .name = "log_hist_coarseness",
3783 .lname = "Histogram logs coarseness",
3784 .type = FIO_OPT_INT,
a609f12a 3785 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3786 .help = "Integer in range [0,6]. Higher coarseness outputs"
3787 " fewer histogram bins per sample. The number of bins for"
3788 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3789 .def = "0",
3790 .category = FIO_OPT_C_LOG,
3791 .group = FIO_OPT_G_INVALID,
3792 },
3793 {
3794 .name = "write_hist_log",
3795 .lname = "Write latency histogram logs",
dded427c 3796 .type = FIO_OPT_STR,
a609f12a 3797 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3798 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3799 .help = "Write log of latency histograms during run",
3800 .category = FIO_OPT_C_LOG,
e8b0e958 3801 .group = FIO_OPT_G_INVALID,
b8bc8cba 3802 },
e6989e10
JA		 3803 {
3804 .name = "log_max_value",
3805 .lname = "Log maximum instead of average",
3806 .type = FIO_OPT_BOOL,
a609f12a 3807 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3808 .help = "Log max sample in a window instead of average",
3809 .def = "0",
3810 .category = FIO_OPT_C_LOG,
3811 .group = FIO_OPT_G_INVALID,
3812 },
ae588852
JA		 3813 {
3814 .name = "log_offset",
3815 .lname = "Log offset of IO",
3816 .type = FIO_OPT_BOOL,
a609f12a 3817 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3818 .help = "Include offset of IO for each log entry",
3819 .def = "0",
3820 .category = FIO_OPT_C_LOG,
3821 .group = FIO_OPT_G_INVALID,
3822 },
aee2ab67
JA		 3823#ifdef CONFIG_ZLIB
3824 {
3825 .name = "log_compression",
3826 .lname = "Log compression",
3827 .type = FIO_OPT_INT,
a609f12a 3828 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3829 .help = "Log in compressed chunks of this size",
9919b27b 3830 .minval = 1024ULL,
aee2ab67
JA		 3831 .maxval = 512 * 1024 * 1024ULL,
3832 .category = FIO_OPT_C_LOG,
3833 .group = FIO_OPT_G_INVALID,
3834 },
c08f9fe2
JA		 3835#ifdef FIO_HAVE_CPU_AFFINITY
3836 {
3837 .name = "log_compression_cpus",
3838 .lname = "Log Compression CPUs",
3839 .type = FIO_OPT_STR,
3840 .cb = str_log_cpus_allowed_cb,
a609f12a 3841 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 3842 .parent = "log_compression",
3843 .help = "Limit log compression to these CPUs",
3844 .category = FIO_OPT_C_LOG,
3845 .group = FIO_OPT_G_INVALID,
3846 },
a275c37a
JA		 3847#else
3848 {
3849 .name = "log_compression_cpus",
3850 .lname = "Log Compression CPUs",
3851 .type = FIO_OPT_UNSUPPORTED,
3852 .help = "Your platform does not support CPU affinities",
3853 },
c08f9fe2 3854#endif
b26317c9
JA		 3855 {
3856 .name = "log_store_compressed",
3857 .lname = "Log store compressed",
3858 .type = FIO_OPT_BOOL,
a609f12a 3859 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 3860 .help = "Store logs in a compressed format",
3861 .category = FIO_OPT_C_LOG,
3862 .group = FIO_OPT_G_INVALID,
3863 },
a275c37a
JA		 3864#else
3865 {
3866 .name = "log_compression",
3867 .lname = "Log compression",
3868 .type = FIO_OPT_UNSUPPORTED,
3869 .help = "Install libz-dev(el) to get compression support",
3870 },
3871 {
3872 .name = "log_store_compressed",
3873 .lname = "Log store compressed",
3874 .type = FIO_OPT_UNSUPPORTED,
3875 .help = "Install libz-dev(el) to get compression support",
3876 },
aee2ab67 3877#endif
3aea75b1
KC		 3878 {
3879 .name = "log_unix_epoch",
3880 .lname = "Log epoch unix",
3881 .type = FIO_OPT_BOOL,
3882 .off1 = offsetof(struct thread_options, log_unix_epoch),
3883 .help = "Use Unix time in log files",
3884 .category = FIO_OPT_C_LOG,
3885 .group = FIO_OPT_G_INVALID,
3886 },
66347cfa
DE		 3887 {
3888 .name = "block_error_percentiles",
3889 .lname = "Block error percentiles",
3890 .type = FIO_OPT_BOOL,
a609f12a 3891 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 3892 .help = "Record trim block errors and make a histogram",
3893 .def = "0",
3894 .category = FIO_OPT_C_LOG,
3895 .group = FIO_OPT_G_INVALID,
3896 },
c504ee55
JA		 3897 {
3898 .name = "bwavgtime",
3899 .lname = "Bandwidth average time",
3900 .type = FIO_OPT_INT,
a609f12a 3901 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 3902 .help = "Time window over which to calculate bandwidth"
3903 " (msec)",
3904 .def = "500",
3905 .parent = "write_bw_log",
3906 .hide = 1,
3907 .interval = 100,
3908 .category = FIO_OPT_C_LOG,
3909 .group = FIO_OPT_G_INVALID,
3910 },
3911 {
3912 .name = "iopsavgtime",
3913 .lname = "IOPS average time",
3914 .type = FIO_OPT_INT,
a609f12a 3915 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 3916 .help = "Time window over which to calculate IOPS (msec)",
3917 .def = "500",
3918 .parent = "write_iops_log",
3919 .hide = 1,
3920 .interval = 100,
3921 .category = FIO_OPT_C_LOG,
3922 .group = FIO_OPT_G_INVALID,
3923 },
214e1eca
JA		 3924 {
3925 .name = "group_reporting",
e8b0e958 3926 .lname = "Group reporting",
d2507043 3927 .type = FIO_OPT_STR_SET,
a609f12a 3928 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 3929 .help = "Do reporting on a per-group basis",
10860056 3930 .category = FIO_OPT_C_STAT,
e8b0e958 3931 .group = FIO_OPT_G_INVALID,
214e1eca 3932 },
8243be59
JA		 3933 {
3934 .name = "stats",
3935 .lname = "Stats",
3936 .type = FIO_OPT_BOOL,
3937 .off1 = offsetof(struct thread_options, stats),
3938 .help = "Enable collection of stats",
3939 .def = "1",
3940 .category = FIO_OPT_C_STAT,
3941 .group = FIO_OPT_G_INVALID,
3942 },
e9459e5a
JA		 3943 {
3944 .name = "zero_buffers",
e8b0e958 3945 .lname = "Zero I/O buffers",
e9459e5a 3946 .type = FIO_OPT_STR_SET,
a609f12a 3947 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 3948 .help = "Init IO buffers to all zeroes",
e8b0e958 3949 .category = FIO_OPT_C_IO,
3ceb458f 3950 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3951 },
5973cafb
JA		 3952 {
3953 .name = "refill_buffers",
e8b0e958 3954 .lname = "Refill I/O buffers",
5973cafb 3955 .type = FIO_OPT_STR_SET,
a609f12a 3956 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 3957 .help = "Refill IO buffers on every IO submit",
e8b0e958 3958 .category = FIO_OPT_C_IO,
3ceb458f 3959 .group = FIO_OPT_G_IO_BUF,
5973cafb 3960 },
fd68418e
JA		 3961 {
3962 .name = "scramble_buffers",
e8b0e958 3963 .lname = "Scramble I/O buffers",
fd68418e 3964 .type = FIO_OPT_BOOL,
a609f12a 3965 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 3966 .help = "Slightly scramble buffers on every IO submit",
3967 .def = "1",
e8b0e958 3968 .category = FIO_OPT_C_IO,
3ceb458f 3969 .group = FIO_OPT_G_IO_BUF,
fd68418e 3970 },
ce35b1ec
JA		 3971 {
3972 .name = "buffer_pattern",
3973 .lname = "Buffer pattern",
3974 .type = FIO_OPT_STR,
3975 .cb = str_buffer_pattern_cb,
a609f12a 3976 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 3977 .help = "Fill pattern for IO buffers",
3978 .category = FIO_OPT_C_IO,
3979 .group = FIO_OPT_G_IO_BUF,
3980 },
9c42684e
JA		 3981 {
3982 .name = "buffer_compress_percentage",
e8b0e958 3983 .lname = "Buffer compression percentage",
9c42684e 3984 .type = FIO_OPT_INT,
bedc9dc2 3985 .cb = str_buffer_compress_cb,
a609f12a 3986 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 3987 .maxval = 100,
e7f5de90 3988 .minval = 0,
9c42684e 3989 .help = "How compressible the buffer is (approximately)",
20eb06bd 3990 .interval = 5,
e8b0e958 3991 .category = FIO_OPT_C_IO,
3ceb458f 3992 .group = FIO_OPT_G_IO_BUF,
9c42684e 3993 },
f97a43a1
JA		 3994 {
3995 .name = "buffer_compress_chunk",
e8b0e958 3996 .lname = "Buffer compression chunk size",
f97a43a1 3997 .type = FIO_OPT_INT,
a609f12a 3998 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 3999 .parent = "buffer_compress_percentage",
d71c154c 4000 .hide = 1,
f97a43a1 4001 .help = "Size of compressible region in buffer",
20eb06bd 4002 .interval = 256,
e8b0e958 4003 .category = FIO_OPT_C_IO,
3ceb458f 4004 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4005 },
5c94b008
JA		 4006 {
4007 .name = "dedupe_percentage",
4008 .lname = "Dedupe percentage",
4009 .type = FIO_OPT_INT,
4010 .cb = str_dedupe_cb,
a609f12a 4011 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4012 .maxval = 100,
4013 .minval = 0,
4014 .help = "Percentage of buffers that are dedupable",
4015 .interval = 1,
4016 .category = FIO_OPT_C_IO,
4017 .group = FIO_OPT_G_IO_BUF,
4018 },
83349190
YH		 4019 {
4020 .name = "clat_percentiles",
e8b0e958 4021 .lname = "Completion latency percentiles",
83349190 4022 .type = FIO_OPT_BOOL,
a609f12a 4023 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4024 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4025 .def = "1",
e8b0e958
JA		 4026 .category = FIO_OPT_C_STAT,
4027 .group = FIO_OPT_G_INVALID,
83349190
YH		 4028 },
4029 {
4030 .name = "percentile_list",
66347cfa 4031 .lname = "Percentile list",
83349190 4032 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4033 .off1 = offsetof(struct thread_options, percentile_list),
4034 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4035 .help = "Specify a custom list of percentiles to report for "
4036 "completion latency and block errors",
fd112d34 4037 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4038 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4039 .minfp = 0.0,
4040 .maxfp = 100.0,
e8b0e958
JA		 4041 .category = FIO_OPT_C_STAT,
4042 .group = FIO_OPT_G_INVALID,
83349190
YH		 4043 },
4044
0a839f30
JA		 4045#ifdef FIO_HAVE_DISK_UTIL
4046 {
4047 .name = "disk_util",
e8b0e958 4048 .lname = "Disk utilization",
0a839f30 4049 .type = FIO_OPT_BOOL,
a609f12a 4050 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4051 .help = "Log disk utilization statistics",
0a839f30 4052 .def = "1",
e8b0e958
JA		 4053 .category = FIO_OPT_C_STAT,
4054 .group = FIO_OPT_G_INVALID,
0a839f30 4055 },
a275c37a
JA		 4056#else
4057 {
4058 .name = "disk_util",
4059 .lname = "Disk utilization",
4060 .type = FIO_OPT_UNSUPPORTED,
4061 .help = "Your platform does not support disk utilization",
4062 },
0a839f30 4063#endif
993bf48b
JA		 4064 {
4065 .name = "gtod_reduce",
e8b0e958 4066 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4067 .type = FIO_OPT_BOOL,
4068 .help = "Greatly reduce number of gettimeofday() calls",
4069 .cb = str_gtod_reduce_cb,
4070 .def = "0",
a4ed77fe 4071 .hide_on_set = 1,
e8b0e958
JA		 4072 .category = FIO_OPT_C_STAT,
4073 .group = FIO_OPT_G_INVALID,
993bf48b 4074 },
02af0988
JA		 4075 {
4076 .name = "disable_lat",
e8b0e958 4077 .lname = "Disable all latency stats",
02af0988 4078 .type = FIO_OPT_BOOL,
a609f12a 4079 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4080 .help = "Disable latency numbers",
4081 .parent = "gtod_reduce",
d71c154c 4082 .hide = 1,
02af0988 4083 .def = "0",
e8b0e958
JA		 4084 .category = FIO_OPT_C_STAT,
4085 .group = FIO_OPT_G_INVALID,
02af0988 4086 },
9520ebb9
JA		 4087 {
4088 .name = "disable_clat",
e8b0e958 4089 .lname = "Disable completion latency stats",
9520ebb9 4090 .type = FIO_OPT_BOOL,
a609f12a 4091 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4092 .help = "Disable completion latency numbers",
993bf48b 4093 .parent = "gtod_reduce",
d71c154c 4094 .hide = 1,
9520ebb9 4095 .def = "0",
e8b0e958
JA		 4096 .category = FIO_OPT_C_STAT,
4097 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4098 },
4099 {
4100 .name = "disable_slat",
e8b0e958 4101 .lname = "Disable submission latency stats",
9520ebb9 4102 .type = FIO_OPT_BOOL,
a609f12a 4103 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4104 .help = "Disable submission latency numbers",
993bf48b 4105 .parent = "gtod_reduce",
d71c154c 4106 .hide = 1,
9520ebb9 4107 .def = "0",
e8b0e958
JA		 4108 .category = FIO_OPT_C_STAT,
4109 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4110 },
4111 {
4112 .name = "disable_bw_measurement",
afd2ceff 4113 .alias = "disable_bw",
e8b0e958 4114 .lname = "Disable bandwidth stats",
9520ebb9 4115 .type = FIO_OPT_BOOL,
a609f12a 4116 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4117 .help = "Disable bandwidth logging",
993bf48b 4118 .parent = "gtod_reduce",
d71c154c 4119 .hide = 1,
9520ebb9 4120 .def = "0",
e8b0e958
JA		 4121 .category = FIO_OPT_C_STAT,
4122 .group = FIO_OPT_G_INVALID,
9520ebb9 4123 },
be4ecfdf
JA		 4124 {
4125 .name = "gtod_cpu",
e8b0e958 4126 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4127 .type = FIO_OPT_INT,
a609f12a 4128 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4129 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4130 .verify = gtod_cpu_verify,
e8b0e958 4131 .category = FIO_OPT_C_GENERAL,
10860056 4132 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4133 },
771e58be
JA		 4134 {
4135 .name = "unified_rw_reporting",
cce2fdfe 4136 .lname = "Unified RW Reporting",
771e58be 4137 .type = FIO_OPT_BOOL,
a609f12a 4138 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4139 .help = "Unify reporting across data direction",
4140 .def = "0",
90b7a96d
JA		 4141 .category = FIO_OPT_C_GENERAL,
4142 .group = FIO_OPT_G_INVALID,
771e58be 4143 },
f2bba182
RR		 4144 {
4145 .name = "continue_on_error",
e8b0e958 4146 .lname = "Continue on error",
06842027 4147 .type = FIO_OPT_STR,
a609f12a 4148 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4149 .help = "Continue on non-fatal errors during IO",
06842027 4150 .def = "none",
e8b0e958 4151 .category = FIO_OPT_C_GENERAL,
bc3f552f 4152 .group = FIO_OPT_G_ERR,
06842027
SL		 4153 .posval = {
4154 { .ival = "none",
4155 .oval = ERROR_TYPE_NONE,
4156 .help = "Exit when an error is encountered",
4157 },
4158 { .ival = "read",
4159 .oval = ERROR_TYPE_READ,
4160 .help = "Continue on read errors only",
4161 },
4162 { .ival = "write",
4163 .oval = ERROR_TYPE_WRITE,
4164 .help = "Continue on write errors only",
4165 },
4166 { .ival = "io",
4167 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4168 .help = "Continue on any IO errors",
4169 },
4170 { .ival = "verify",
4171 .oval = ERROR_TYPE_VERIFY,
4172 .help = "Continue on verify errors only",
4173 },
4174 { .ival = "all",
4175 .oval = ERROR_TYPE_ANY,
4176 .help = "Continue on all io and verify errors",
4177 },
4178 { .ival = "0",
4179 .oval = ERROR_TYPE_NONE,
4180 .help = "Alias for 'none'",
4181 },
4182 { .ival = "1",
4183 .oval = ERROR_TYPE_ANY,
4184 .help = "Alias for 'all'",
4185 },
4186 },
f2bba182 4187 },
8b28bd41
DM		 4188 {
4189 .name = "ignore_error",
cce2fdfe 4190 .lname = "Ignore Error",
8b28bd41
DM		 4191 .type = FIO_OPT_STR,
4192 .cb = str_ignore_error_cb,
a609f12a 4193 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4194 .help = "Set a specific list of errors to ignore",
4195 .parent = "rw",
a94eb99a 4196 .category = FIO_OPT_C_GENERAL,
bc3f552f 4197 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4198 },
4199 {
4200 .name = "error_dump",
cce2fdfe 4201 .lname = "Error Dump",
8b28bd41 4202 .type = FIO_OPT_BOOL,
a609f12a 4203 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4204 .def = "0",
4205 .help = "Dump info on each error",
a94eb99a 4206 .category = FIO_OPT_C_GENERAL,
bc3f552f 4207 .group = FIO_OPT_G_ERR,
8b28bd41 4208 },
9ac8a797
JA		 4209 {
4210 .name = "profile",
e8b0e958 4211 .lname = "Profile",
79d16311 4212 .type = FIO_OPT_STR_STORE,
a609f12a 4213 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4214 .help = "Select a specific builtin performance test",
13fca827 4215 .category = FIO_OPT_C_PROFILE,
e8b0e958 4216 .group = FIO_OPT_G_INVALID,
9ac8a797 4217 },
a696fa2a
JA		 4218 {
4219 .name = "cgroup",
e8b0e958 4220 .lname = "Cgroup",
a696fa2a 4221 .type = FIO_OPT_STR_STORE,
a609f12a 4222 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4223 .help = "Add job to cgroup of this name",
e8b0e958 4224 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4225 .group = FIO_OPT_G_CGROUP,
4226 },
4227 {
4228 .name = "cgroup_nodelete",
4229 .lname = "Cgroup no-delete",
4230 .type = FIO_OPT_BOOL,
a609f12a 4231 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4232 .help = "Do not delete cgroups after job completion",
4233 .def = "0",
4234 .parent = "cgroup",
4235 .category = FIO_OPT_C_GENERAL,
4236 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4237 },
4238 {
4239 .name = "cgroup_weight",
e8b0e958 4240 .lname = "Cgroup weight",
a696fa2a 4241 .type = FIO_OPT_INT,
a609f12a 4242 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4243 .help = "Use given weight for cgroup",
4244 .minval = 100,
4245 .maxval = 1000,
a1f6afec 4246 .parent = "cgroup",
e8b0e958 4247 .category = FIO_OPT_C_GENERAL,
a1f6afec 4248 .group = FIO_OPT_G_CGROUP,
7de87099 4249 },
e0b0d892
JA		 4250 {
4251 .name = "uid",
e8b0e958 4252 .lname = "User ID",
e0b0d892 4253 .type = FIO_OPT_INT,
a609f12a 4254 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4255 .help = "Run job with this user ID",
e8b0e958 4256 .category = FIO_OPT_C_GENERAL,
10860056 4257 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4258 },
4259 {
4260 .name = "gid",
e8b0e958 4261 .lname = "Group ID",
e0b0d892 4262 .type = FIO_OPT_INT,
a609f12a 4263 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4264 .help = "Run job with this group ID",
e8b0e958 4265 .category = FIO_OPT_C_GENERAL,
10860056 4266 .group = FIO_OPT_G_CRED,
e0b0d892 4267 },
a1f6afec
JA		 4268 {
4269 .name = "kb_base",
4270 .lname = "KB Base",
4271 .type = FIO_OPT_INT,
a609f12a 4272 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4273 .prio = 1,
4274 .def = "1024",
ba9c7219
JA		 4275 .posval = {
4276 { .ival = "1024",
4277 .oval = 1024,
d694a6a7 4278 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4279 },
4280 { .ival = "1000",
4281 .oval = 1000,
d694a6a7 4282 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4283 },
4284 },
d694a6a7 4285 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4286 .category = FIO_OPT_C_GENERAL,
4287 .group = FIO_OPT_G_INVALID,
4288 },
cf3a0518
JA		 4289 {
4290 .name = "unit_base",
d694a6a7 4291 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4292 .type = FIO_OPT_INT,
a609f12a 4293 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4294 .prio = 1,
71a08258
JA		 4295 .posval = {
4296 { .ival = "0",
4297 .oval = 0,
4298 .help = "Auto-detect",
4299 },
4300 { .ival = "8",
4301 .oval = 8,
4302 .help = "Normal (byte based)",
4303 },
4304 { .ival = "1",
4305 .oval = 1,
4306 .help = "Bit based",
4307 },
4308 },
cf3a0518
JA		 4309 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4310 .category = FIO_OPT_C_GENERAL,
4311 .group = FIO_OPT_G_INVALID,
4312 },
3ceb458f
JA		 4313 {
4314 .name = "hugepage-size",
4315 .lname = "Hugepage size",
4316 .type = FIO_OPT_INT,
a609f12a 4317 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4318 .help = "When using hugepages, specify size of each page",
4319 .def = __fio_stringify(FIO_HUGE_PAGE),
4320 .interval = 1024 * 1024,
4321 .category = FIO_OPT_C_GENERAL,
4322 .group = FIO_OPT_G_INVALID,
4323 },
9e684a49
DE		 4324 {
4325 .name = "flow_id",
e8b0e958 4326 .lname = "I/O flow ID",
9e684a49 4327 .type = FIO_OPT_INT,
a609f12a 4328 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4329 .help = "The flow index ID to use",
4330 .def = "0",
e8b0e958
JA		 4331 .category = FIO_OPT_C_IO,
4332 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4333 },
4334 {
4335 .name = "flow",
e8b0e958 4336 .lname = "I/O flow weight",
9e684a49 4337 .type = FIO_OPT_INT,
a609f12a 4338 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4339 .help = "Weight for flow control of this job",
4340 .parent = "flow_id",
d71c154c 4341 .hide = 1,
9e684a49 4342 .def = "0",
e8b0e958
JA		 4343 .category = FIO_OPT_C_IO,
4344 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4345 },
4346 {
4347 .name = "flow_watermark",
e8b0e958 4348 .lname = "I/O flow watermark",
9e684a49 4349 .type = FIO_OPT_INT,
a609f12a 4350 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4351 .help = "High watermark for flow control. This option"
4352 " should be set to the same value for all threads"
4353 " with non-zero flow.",
4354 .parent = "flow_id",
d71c154c 4355 .hide = 1,
9e684a49 4356 .def = "1024",
e8b0e958
JA		 4357 .category = FIO_OPT_C_IO,
4358 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4359 },
4360 {
4361 .name = "flow_sleep",
e8b0e958 4362 .lname = "I/O flow sleep",
9e684a49 4363 .type = FIO_OPT_INT,
a609f12a 4364 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4365 .help = "How many microseconds to sleep after being held"
4366 " back by the flow control mechanism",
4367 .parent = "flow_id",
d71c154c 4368 .hide = 1,
9e684a49 4369 .def = "0",
e8b0e958
JA		 4370 .category = FIO_OPT_C_IO,
4371 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4372 },
65fa28ca
DE		 4373 {
4374 .name = "skip_bad",
4375 .lname = "Skip operations against bad blocks",
4376 .type = FIO_OPT_BOOL,
a609f12a 4377 .off1 = offsetof(struct thread_options, skip_bad),
65fa28ca
DE		 4378 .help = "Skip operations against known bad blocks.",
4379 .hide = 1,
4380 .def = "0",
4381 .category = FIO_OPT_C_IO,
4382 .group = FIO_OPT_G_MTD,
4383 },
16e56d25
VF		 4384 {
4385 .name = "steadystate",
4386 .lname = "Steady state threshold",
4387 .alias = "ss",
4388 .type = FIO_OPT_STR,
2c5d94bc 4389 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4390 .cb = str_steadystate_cb,
4391 .help = "Define the criterion and limit to judge when a job has reached steady state",
4392 .def = "iops_slope:0.01%",
4393 .posval = {
4394 { .ival = "iops",
f0c50c66 4395 .oval = FIO_SS_IOPS,
16e56d25
VF		 4396 .help = "maximum mean deviation of IOPS measurements",
4397 },
4398 { .ival = "iops_slope",
f0c50c66 4399 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4400 .help = "slope calculated from IOPS measurements",
4401 },
4402 { .ival = "bw",
f0c50c66 4403 .oval = FIO_SS_BW,
16e56d25
VF		 4404 .help = "maximum mean deviation of bandwidth measurements",
4405 },
4406 {
4407 .ival = "bw_slope",
f0c50c66 4408 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4409 .help = "slope calculated from bandwidth measurements",
4410 },
4411 },
4412 .category = FIO_OPT_C_GENERAL,
4413 .group = FIO_OPT_G_RUNTIME,
4414 },
4415 {
4416 .name = "steadystate_duration",
4417 .lname = "Steady state duration",
4418 .alias = "ss_dur",
915ca980 4419 .parent = "steadystate",
16e56d25
VF		 4420 .type = FIO_OPT_STR_VAL_TIME,
4421 .off1 = offsetof(struct thread_options, ss_dur),
4422 .help = "Stop workload upon attaining steady state for specified duration",
4423 .def = "0",
4424 .is_seconds = 1,
4425 .is_time = 1,
4426 .category = FIO_OPT_C_GENERAL,
4427 .group = FIO_OPT_G_RUNTIME,
4428 },
4429 {
4430 .name = "steadystate_ramp_time",
4431 .lname = "Steady state ramp time",
4432 .alias = "ss_ramp",
915ca980 4433 .parent = "steadystate",
16e56d25
VF		 4434 .type = FIO_OPT_STR_VAL_TIME,
4435 .off1 = offsetof(struct thread_options, ss_ramp_time),
4436 .help = "Delay before initiation of data collection for steady state job termination testing",
4437 .def = "0",
4438 .is_seconds = 1,
4439 .is_time = 1,
4440 .category = FIO_OPT_C_GENERAL,
4441 .group = FIO_OPT_G_RUNTIME,
4442 },
214e1eca
JA		 4443 {
4444 .name = NULL,
4445 },
4446};
4447
17af15d4 4448static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4449 const char *name, int val)
9f81736c 4450{
17af15d4 4451 lopt->name = (char *) name;
de890a1e 4452 lopt->val = val;
9f81736c 4453 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4454 lopt->has_arg = optional_argument;
9f81736c
JA		 4455 else
4456 lopt->has_arg = required_argument;
4457}
4458
de890a1e
SL		 4459static void options_to_lopts(struct fio_option *opts,
4460 struct option *long_options,
4461 int i, int option_type)
214e1eca 4462{
de890a1e 4463 struct fio_option *o = &opts[0];
214e1eca 4464 while (o->name) {
de890a1e 4465 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4466 if (o->alias) {
4467 i++;
de890a1e 4468 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4469 }
214e1eca
JA		 4470
4471 i++;
4472 o++;
4473 assert(i < FIO_NR_OPTIONS);
4474 }
4475}
4476
de890a1e
SL		 4477void fio_options_set_ioengine_opts(struct option *long_options,
4478 struct thread_data *td)
4479{
4480 unsigned int i;
4481
4482 i = 0;
4483 while (long_options[i].name) {
4484 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4485 memset(&long_options[i], 0, sizeof(*long_options));
4486 break;
4487 }
4488 i++;
4489 }
4490
4491 /*
4492 * Just clear out the prior ioengine options.
4493 */
4494 if (!td || !td->eo)
4495 return;
4496
4497 options_to_lopts(td->io_ops->options, long_options, i,
4498 FIO_GETOPT_IOENGINE);
4499}
4500
4501void fio_options_dup_and_init(struct option *long_options)
4502{
4503 unsigned int i;
4504
9af4a244 4505 options_init(fio_options);
de890a1e
SL		 4506
4507 i = 0;
4508 while (long_options[i].name)
4509 i++;
4510
9af4a244 4511 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4512}
4513
74929ac2
JA		 4514struct fio_keyword {
4515 const char *word;
4516 const char *desc;
4517 char *replace;
4518};
4519
4520static struct fio_keyword fio_keywords[] = {
4521 {
4522 .word = "$pagesize",
4523 .desc = "Page size in the system",
4524 },
4525 {
4526 .word = "$mb_memory",
4527 .desc = "Megabytes of memory online",
4528 },
4529 {
4530 .word = "$ncpus",
4531 .desc = "Number of CPUs online in the system",
4532 },
4533 {
4534 .word = NULL,
4535 },
4536};
4537
af1dc266
JA		 4538void fio_keywords_exit(void)
4539{
4540 struct fio_keyword *kw;
4541
4542 kw = &fio_keywords[0];
4543 while (kw->word) {
4544 free(kw->replace);
4545 kw->replace = NULL;
4546 kw++;
4547 }
4548}
4549
74929ac2
JA		 4550void fio_keywords_init(void)
4551{
3b2e1464 4552 unsigned long long mb_memory;
74929ac2
JA		 4553 char buf[128];
4554 long l;
4555
a4cfc477 4556 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4557 fio_keywords[0].replace = strdup(buf);
4558
8eb016d3 4559 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4560 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4561 fio_keywords[1].replace = strdup(buf);
4562
c00a2289 4563 l = cpus_online();
74929ac2
JA		 4564 sprintf(buf, "%lu", l);
4565 fio_keywords[2].replace = strdup(buf);
4566}
4567
892a6ffc
JA		 4568#define BC_APP "bc"
4569
4570static char *bc_calc(char *str)
4571{
d0c814ec 4572 char buf[128], *tmp;
892a6ffc
JA		 4573 FILE *f;
4574 int ret;
4575
4576 /*
4577 * No math, just return string
4578 */
d0c814ec
SL		 4579 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4580 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4581 return str;
4582
4583 /*
4584 * Split option from value, we only need to calculate the value
4585 */
4586 tmp = strchr(str, '=');
4587 if (!tmp)
4588 return str;
4589
4590 tmp++;
892a6ffc 4591
d0c814ec
SL		 4592 /*
4593 * Prevent buffer overflows; such a case isn't reasonable anyway
4594 */
4595 if (strlen(str) >= 128 || strlen(tmp) > 100)
4596 return str;
892a6ffc
JA		 4597
4598 sprintf(buf, "which %s > /dev/null", BC_APP);
4599 if (system(buf)) {
4600 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4601 return NULL;
4602 }
4603
d0c814ec 4604 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4605 f = popen(buf, "r");
3c3ed070 4606 if (!f)
892a6ffc 4607 return NULL;
892a6ffc 4608
d0c814ec 4609 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4610 if (ret <= 0) {
4611 pclose(f);
892a6ffc 4612 return NULL;
1d824f37 4613 }
892a6ffc 4614
892a6ffc 4615 pclose(f);
d0c814ec
SL		 4616 buf[(tmp - str) + ret - 1] = '\0';
4617 memcpy(buf, str, tmp - str);
892a6ffc 4618 free(str);
d0c814ec
SL		 4619 return strdup(buf);
4620}
4621
4622/*
4623 * Return a copy of the input string with substrings of the form ${VARNAME}
4624 * substituted with the value of the environment variable VARNAME. The
4625 * substitution always occurs, even if VARNAME is empty or the corresponding
4626 * environment variable undefined.
4627 */
4628static char *option_dup_subs(const char *opt)
4629{
4630 char out[OPT_LEN_MAX+1];
4631 char in[OPT_LEN_MAX+1];
4632 char *outptr = out;
4633 char *inptr = in;
4634 char *ch1, *ch2, *env;
4635 ssize_t nchr = OPT_LEN_MAX;
4636 size_t envlen;
4637
4638 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4639 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4640 return NULL;
4641 }
4642
4643 in[OPT_LEN_MAX] = '\0';
4644 strncpy(in, opt, OPT_LEN_MAX);
4645
4646 while (*inptr && nchr > 0) {
4647 if (inptr[0] == '$' && inptr[1] == '{') {
4648 ch2 = strchr(inptr, '}');
4649 if (ch2 && inptr+1 < ch2) {
4650 ch1 = inptr+2;
4651 inptr = ch2+1;
4652 *ch2 = '\0';
4653
4654 env = getenv(ch1);
4655 if (env) {
4656 envlen = strlen(env);
4657 if (envlen <= nchr) {
4658 memcpy(outptr, env, envlen);
4659 outptr += envlen;
4660 nchr -= envlen;
4661 }
4662 }
4663
4664 continue;
4665 }
4666 }
4667
4668 *outptr++ = *inptr++;
4669 --nchr;
4670 }
4671
4672 *outptr = '\0';
4673 return strdup(out);
892a6ffc
JA		 4674}
4675
74929ac2
JA		 4676/*
4677 * Look for reserved variable names and replace them with real values
4678 */
4679static char *fio_keyword_replace(char *opt)
4680{
4681 char *s;
4682 int i;
d0c814ec 4683 int docalc = 0;
74929ac2
JA		 4684
4685 for (i = 0; fio_keywords[i].word != NULL; i++) {
4686 struct fio_keyword *kw = &fio_keywords[i];
4687
4688 while ((s = strstr(opt, kw->word)) != NULL) {
4689 char *new = malloc(strlen(opt) + 1);
4690 char *o_org = opt;
4691 int olen = s - opt;
4692 int len;
4693
4694 /*
4695 * Copy part of the string before the keyword and
4696 * sprintf() the replacement after it.
4697 */
4698 memcpy(new, opt, olen);
4699 len = sprintf(new + olen, "%s", kw->replace);
4700
4701 /*
4702 * If there's more in the original string, copy that
4703 * in too
4704 */
4705 opt += strlen(kw->word) + olen;
4706 if (strlen(opt))
4707 memcpy(new + olen + len, opt, opt - o_org - 1);
4708
4709 /*
4710 * replace opt and free the old opt
4711 */
4712 opt = new;
d0c814ec 4713 free(o_org);
7a958bd5 4714
d0c814ec 4715 docalc = 1;
74929ac2
JA		 4716 }
4717 }
4718
d0c814ec
SL		 4719 /*
4720 * Check for potential math and invoke bc, if possible
4721 */
4722 if (docalc)
4723 opt = bc_calc(opt);
4724
7a958bd5 4725 return opt;
74929ac2
JA		 4726}
4727
d0c814ec
SL		 4728static char **dup_and_sub_options(char **opts, int num_opts)
4729{
4730 int i;
4731 char **opts_copy = malloc(num_opts * sizeof(*opts));
4732 for (i = 0; i < num_opts; i++) {
4733 opts_copy[i] = option_dup_subs(opts[i]);
4734 if (!opts_copy[i])
4735 continue;
4736 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4737 }
4738 return opts_copy;
4739}
4740
e15b023b 4741static void show_closest_option(const char *opt)
a2d027b9
JA		 4742{
4743 int best_option, best_distance;
4744 int i, distance;
e15b023b
JA		 4745 char *name;
4746
4747 if (!strlen(opt))
4748 return;
4749
4750 name = strdup(opt);
4751 i = 0;
4752 while (name[i] != '\0' && name[i] != '=')
4753 i++;
4754 name[i] = '\0';
a2d027b9
JA		 4755
4756 best_option = -1;
4757 best_distance = INT_MAX;
4758 i = 0;
4759 while (fio_options[i].name) {
4760 distance = string_distance(name, fio_options[i].name);
4761 if (distance < best_distance) {
4762 best_distance = distance;
4763 best_option = i;
4764 }
4765 i++;
4766 }
4767
75e6bcba
JA		 4768 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4769 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4770 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4771
4772 free(name);
a2d027b9
JA		 4773}
4774
c2292325 4775int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4776{
de890a1e 4777 int i, ret, unknown;
d0c814ec 4778 char **opts_copy;
3b8b7135 4779
9af4a244 4780 sort_options(opts, fio_options, num_opts);
d0c814ec 4781 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4782
de890a1e
SL		 4783 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4784 struct fio_option *o;
9af4a244 4785 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4786 &o, &td->o, &td->opt_list);
d0c814ec 4787
a8523a6a
JA		 4788 if (!newret && o)
4789 fio_option_mark_set(&td->o, o);
4790
de890a1e
SL		 4791 if (opts_copy[i]) {
4792 if (newret && !o) {
4793 unknown++;
4794 continue;
4795 }
d0c814ec 4796 free(opts_copy[i]);
de890a1e
SL		 4797 opts_copy[i] = NULL;
4798 }
4799
4800 ret |= newret;
4801 }
4802
4803 if (unknown) {
4804 ret |= ioengine_load(td);
4805 if (td->eo) {
4806 sort_options(opts_copy, td->io_ops->options, num_opts);
4807 opts = opts_copy;
4808 }
4809 for (i = 0; i < num_opts; i++) {
4810 struct fio_option *o = NULL;
4811 int newret = 1;
a2d027b9 4812
de890a1e
SL		 4813 if (!opts_copy[i])
4814 continue;
4815
4816 if (td->eo)
4817 newret = parse_option(opts_copy[i], opts[i],
4818 td->io_ops->options, &o,
66e19a38 4819 td->eo, &td->opt_list);
de890a1e
SL		 4820
4821 ret |= newret;
a2d027b9 4822 if (!o) {
de890a1e 4823 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4824 show_closest_option(opts[i]);
4825 }
de890a1e
SL		 4826 free(opts_copy[i]);
4827 opts_copy[i] = NULL;
4828 }
74929ac2 4829 }
3b8b7135 4830
d0c814ec 4831 free(opts_copy);
3b8b7135 4832 return ret;
214e1eca
JA		 4833}
4834
4835int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4836{
a8523a6a
JA		 4837 int ret;
4838
a609f12a 4839 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a
JA		 4840 if (!ret) {
4841 struct fio_option *o;
4842
4843 o = find_option(fio_options, opt);
4844 if (o)
4845 fio_option_mark_set(&td->o, o);
4846 }
4847
4848 return ret;
214e1eca
JA		 4849}
4850
de890a1e
SL		 4851int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4852 char *val)
4853{
d8b4f395
JA		 4854 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4855 &td->opt_list);
de890a1e
SL		 4856}
4857
214e1eca
JA		 4858void fio_fill_default_options(struct thread_data *td)
4859{
cb1402d6 4860 td->o.magic = OPT_MAGIC;
a609f12a 4861 fill_default_options(&td->o, fio_options);
214e1eca
JA		 4862}
4863
4864int fio_show_option_help(const char *opt)
4865{
9af4a244 4866 return show_cmd_help(fio_options, opt);
214e1eca 4867}
d23bb327 4868
de890a1e
SL		 4869/*
4870 * dupe FIO_OPT_STR_STORE options
4871 */
4872void fio_options_mem_dupe(struct thread_data *td)
4873{
53b5693d 4874 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 4875
4876 if (td->eo && td->io_ops) {
de890a1e 4877 void *oldeo = td->eo;
1647f592 4878
de890a1e
SL		 4879 td->eo = malloc(td->io_ops->option_struct_size);
4880 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 4881 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 4882 }
4883}
4884
d6978a32
JA		 4885unsigned int fio_get_kb_base(void *data)
4886{
a609f12a
JA		 4887 struct thread_data *td = cb_data_to_td(data);
4888 struct thread_options *o = &td->o;
d6978a32
JA		 4889 unsigned int kb_base = 0;
4890
cb1402d6
JA		 4891 /*
4892 * This is a hack... For private options, *data is not holding
4893 * a pointer to the thread_options, but to private data. This means
4894 * we can't safely dereference it, but magic is first so mem wise
4895 * it is valid. But this also means that if the job first sets
4896 * kb_base and expects that to be honored by private options,
4897 * it will be disappointed. We will return the global default
4898 * for this.
4899 */
4900 if (o && o->magic == OPT_MAGIC)
83ea422a 4901 kb_base = o->kb_base;
d6978a32
JA		 4902 if (!kb_base)
4903 kb_base = 1024;
4904
4905 return kb_base;
4906}
9f988e2e 4907
07b3232d 4908int add_option(struct fio_option *o)
9f988e2e 4909{
07b3232d
JA		 4910 struct fio_option *__o;
4911 int opt_index = 0;
4912
9af4a244 4913 __o = fio_options;
07b3232d
JA		 4914 while (__o->name) {
4915 opt_index++;
4916 __o++;
4917 }
4918
7b504edd
JA		 4919 if (opt_index + 1 == FIO_MAX_OPTS) {
4920 log_err("fio: FIO_MAX_OPTS is too small\n");
4921 return 1;
4922 }
4923
9af4a244 4924 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4925 fio_options[opt_index + 1].name = NULL;
07b3232d 4926 return 0;
9f988e2e 4927}
e2de69da 4928
07b3232d 4929void invalidate_profile_options(const char *prof_name)
e2de69da 4930{
07b3232d 4931 struct fio_option *o;
e2de69da 4932
9af4a244 4933 o = fio_options;
07b3232d
JA		 4934 while (o->name) {
4935 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4936 o->type = FIO_OPT_INVALID;
4937 o->prof_name = NULL;
4938 }
4939 o++;
e2de69da
JA		 4940 }
4941}
f5b6bb85
JA		 4942
4943void add_opt_posval(const char *optname, const char *ival, const char *help)
4944{
4945 struct fio_option *o;
4946 unsigned int i;
4947
9af4a244 4948 o = find_option(fio_options, optname);
f5b6bb85
JA		 4949 if (!o)
4950 return;
4951
4952 for (i = 0; i < PARSE_MAX_VP; i++) {
4953 if (o->posval[i].ival)
4954 continue;
4955
4956 o->posval[i].ival = ival;
4957 o->posval[i].help = help;
4958 break;
4959 }
4960}
4961
4962void del_opt_posval(const char *optname, const char *ival)
4963{
4964 struct fio_option *o;
4965 unsigned int i;
4966
9af4a244 4967 o = find_option(fio_options, optname);
f5b6bb85
JA		 4968 if (!o)
4969 return;
4970
4971 for (i = 0; i < PARSE_MAX_VP; i++) {
4972 if (!o->posval[i].ival)
4973 continue;
4974 if (strcmp(o->posval[i].ival, ival))
4975 continue;
4976
4977 o->posval[i].ival = NULL;
4978 o->posval[i].help = NULL;
4979 }
4980}
7e356b2d
JA		 4981
4982void fio_options_free(struct thread_data *td)
4983{
ca6336a8 4984 options_free(fio_options, &td->o);
de890a1e
SL		 4985 if (td->eo && td->io_ops && td->io_ops->options) {
4986 options_free(td->io_ops->options, td->eo);
4987 free(td->eo);
4988 td->eo = NULL;
4989 }
7e356b2d 4990}
c504ee55
JA		 4991
4992struct fio_option *fio_option_find(const char *name)
4993{
4994 return find_option(fio_options, name);
4995}
4996
f0e7f45a
JA		 4997static struct fio_option *find_next_opt(struct thread_options *o,
4998 struct fio_option *from,
4999 unsigned int off1)
a8523a6a 5000{
f0e7f45a 5001 struct fio_option *opt;
a8523a6a 5002
f0e7f45a
JA		 5003 if (!from)
5004 from = &fio_options[0];
5005 else
5006 from++;
5007
5008 opt = NULL;
5009 do {
5010 if (off1 == from->off1) {
5011 opt = from;
a8523a6a
JA		 5012 break;
5013 }
f0e7f45a
JA		 5014 from++;
5015 } while (from->name);
a8523a6a 5016
f0e7f45a
JA		 5017 return opt;
5018}
5019
5020static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5021{
5022 unsigned int opt_off, index, offset;
a8523a6a
JA		 5023
5024 opt_off = opt - &fio_options[0];
5025 index = opt_off / (8 * sizeof(uint64_t));
5026 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5027 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5028}
5029
72f39748 5030bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5031{
5032 struct fio_option *opt, *next;
5033
5034 next = NULL;
5035 while ((opt = find_next_opt(o, next, off1)) != NULL) {
5036 if (opt_is_set(o, opt))
72f39748 5037 return true;
f0e7f45a
JA		 5038
5039 next = opt;
5040 }
5041
72f39748 5042 return false;
f0e7f45a
JA		 5043}
5044
a8523a6a
JA		 5045void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
5046{
5047 unsigned int opt_off, index, offset;
5048
5049 opt_off = opt - &fio_options[0];
5050 index = opt_off / (8 * sizeof(uint64_t));
5051 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5052 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5053}
fio - Flexible IO Tester