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