projects / fio.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
doc: reword buffer_compress_percentage, buffer_compress_chunk, dedupe_percentage
[fio.git] / options.c
CommitLineData
214e1eca
JA		 1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
214e1eca 6#include <assert.h>
921c766f 7#include <libgen.h>
5921e80c
JA		 8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
e13c3b50 11#include <netinet/in.h>
214e1eca
JA		 12
13#include "fio.h"
4f5af7b2 14#include "verify.h"
214e1eca 15#include "parse.h"
eef32359 16#include "lib/fls.h"
61b9861d 17#include "lib/pattern.h"
9f988e2e 18#include "options.h"
d220c761 19#include "optgroup.h"
214e1eca 20
e13c3b50 21char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 22
a609f12a
JA		 23#define cb_data_to_td(data) container_of(data, struct thread_data, o)
24
fc8d6d05 25static struct pattern_fmt_desc fmt_desc[] = {
4205998f
JA		 26 {
27 .fmt = "%o",
28 .len = FIELD_SIZE(struct io_u *, offset),
29 .paste = paste_blockoff
30 }
31};
32
214e1eca
JA		 33/*
34 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
35 */
36static char *get_opt_postfix(const char *str)
37{
38 char *p = strstr(str, ":");
39
40 if (!p)
41 return NULL;
42
43 p++;
44 strip_blank_front(&p);
45 strip_blank_end(p);
46 return strdup(p);
47}
48
564ca972
JA		 49static int bs_cmp(const void *p1, const void *p2)
50{
51 const struct bssplit *bsp1 = p1;
52 const struct bssplit *bsp2 = p2;
53
a7cd478d 54 return (int) bsp1->perc - (int) bsp2->perc;
564ca972
JA		 55}
56
d2835319
JA		 57struct split {
58 unsigned int nr;
59 unsigned int val1[100];
60 unsigned int val2[100];
61};
62
63static int split_parse_ddir(struct thread_options *o, struct split *split,
64 enum fio_ddir ddir, char *str)
564ca972 65{
d2835319 66 unsigned int i, perc;
564ca972 67 long long val;
720e84ad 68 char *fname;
564ca972 69
d2835319 70 split->nr = 0;
564ca972
JA		 71
72 i = 0;
564ca972
JA		 73 while ((fname = strsep(&str, ":")) != NULL) {
74 char *perc_str;
75
76 if (!strlen(fname))
77 break;
78
564ca972
JA		 79 perc_str = strstr(fname, "/");
80 if (perc_str) {
81 *perc_str = '\0';
82 perc_str++;
83 perc = atoi(perc_str);
84 if (perc > 100)
85 perc = 100;
86 else if (!perc)
d711cce5 87 perc = -1U;
564ca972 88 } else
d711cce5 89 perc = -1U;
564ca972 90
88038bc7 91 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
564ca972 92 log_err("fio: bssplit conversion failed\n");
564ca972
JA		 93 return 1;
94 }
95
d2835319
JA		 96 split->val1[i] = val;
97 split->val2[i] = perc;
564ca972 98 i++;
d2835319
JA		 99 if (i == 100)
100 break;
564ca972
JA		 101 }
102
d2835319
JA		 103 split->nr = i;
104 return 0;
105}
106
107static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
108{
109 unsigned int i, perc, perc_missing;
110 unsigned int max_bs, min_bs;
111 struct split split;
112
113 memset(&split, 0, sizeof(split));
114
115 if (split_parse_ddir(o, &split, ddir, str))
116 return 1;
117 if (!split.nr)
118 return 0;
119
120 max_bs = 0;
121 min_bs = -1;
122 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
123 o->bssplit_nr[ddir] = split.nr;
124 for (i = 0; i < split.nr; i++) {
125 if (split.val1[i] > max_bs)
126 max_bs = split.val1[i];
127 if (split.val1[i] < min_bs)
128 min_bs = split.val1[i];
129
130 o->bssplit[ddir][i].bs = split.val1[i];
131 o->bssplit[ddir][i].perc =split.val2[i];
132 }
564ca972
JA		 133
134 /*
135 * Now check if the percentages add up, and how much is missing
136 */
137 perc = perc_missing = 0;
83ea422a 138 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 139 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 140
d711cce5 141 if (bsp->perc == -1U)
564ca972
JA		 142 perc_missing++;
143 else
144 perc += bsp->perc;
145 }
146
40bafa33 147 if (perc > 100 && perc_missing > 1) {
564ca972 148 log_err("fio: bssplit percentages add to more than 100%%\n");
d2835319
JA		 149 free(o->bssplit[ddir]);
150 o->bssplit[ddir] = NULL;
564ca972
JA		 151 return 1;
152 }
d711cce5 153
564ca972
JA		 154 /*
155 * If values didn't have a percentage set, divide the remains between
156 * them.
157 */
158 if (perc_missing) {
d711cce5 159 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 160 perc = 100;
83ea422a 161 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 162 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 163
d711cce5 164 if (bsp->perc == -1U)
564ca972
JA		 165 bsp->perc = (100 - perc) / perc_missing;
166 }
167 }
168
83ea422a
JA		 169 o->min_bs[ddir] = min_bs;
170 o->max_bs[ddir] = max_bs;
564ca972
JA		 171
172 /*
173 * now sort based on percentages, for ease of lookup
174 */
d2835319 175 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
720e84ad 176 return 0;
720e84ad
JA		 177}
178
764593c0
JA		 179typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *);
180
181static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn)
720e84ad 182{
764593c0 183 char *odir, *ddir;
720e84ad
JA		 184 int ret = 0;
185
720e84ad
JA		 186 odir = strchr(str, ',');
187 if (odir) {
6eaf09d6
SL		 188 ddir = strchr(odir + 1, ',');
189 if (ddir) {
764593c0 190 ret = fn(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL		 191 if (!ret)
192 *ddir = '\0';
193 } else {
194 char *op;
195
196 op = strdup(odir + 1);
764593c0 197 ret = fn(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 198
199 free(op);
200 }
d79db122 201 if (!ret)
764593c0 202 ret = fn(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA		 203 if (!ret) {
204 *odir = '\0';
764593c0 205 ret = fn(&td->o, DDIR_READ, str);
720e84ad
JA		 206 }
207 } else {
208 char *op;
209
210 op = strdup(str);
764593c0 211 ret = fn(&td->o, DDIR_WRITE, op);
6eaf09d6 212 free(op);
720e84ad 213
6eaf09d6
SL		 214 if (!ret) {
215 op = strdup(str);
764593c0 216 ret = fn(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 217 free(op);
218 }
f0c9c217 219 if (!ret)
764593c0 220 ret = fn(&td->o, DDIR_READ, str);
720e84ad 221 }
564ca972 222
764593c0
JA		 223 return ret;
224}
225
226static int str_bssplit_cb(void *data, const char *input)
227{
a609f12a 228 struct thread_data *td = cb_data_to_td(data);
764593c0
JA		 229 char *str, *p;
230 int ret = 0;
231
764593c0
JA		 232 p = str = strdup(input);
233
234 strip_blank_front(&str);
235 strip_blank_end(str);
236
237 ret = str_split_parse(td, str, bssplit_ddir);
238
55baca06
JA		 239 if (parse_dryrun()) {
240 int i;
241
242 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
243 free(td->o.bssplit[i]);
244 td->o.bssplit[i] = NULL;
245 td->o.bssplit_nr[i] = 0;
246 }
247 }
248
564ca972 249 free(p);
720e84ad 250 return ret;
564ca972
JA		 251}
252
8b28bd41
DM		 253static int str2error(char *str)
254{
a94eb99a 255 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 256 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
257 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
258 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
259 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
260 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
261 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 262 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
7fe481b4 263 int i = 0, num = sizeof(err) / sizeof(char *);
8b28bd41 264
a94eb99a 265 while (i < num) {
8b28bd41
DM		 266 if (!strcmp(err[i], str))
267 return i + 1;
268 i++;
269 }
270 return 0;
271}
272
3ed673c6
TK		 273static int ignore_error_type(struct thread_data *td, enum error_type_bit etype,
274 char *str)
8b28bd41
DM		 275{
276 unsigned int i;
277 int *error;
278 char *fname;
279
280 if (etype >= ERROR_TYPE_CNT) {
281 log_err("Illegal error type\n");
282 return 1;
283 }
284
285 td->o.ignore_error_nr[etype] = 4;
685ffd57 286 error = calloc(4, sizeof(int));
8b28bd41
DM		 287
288 i = 0;
289 while ((fname = strsep(&str, ":")) != NULL) {
290
291 if (!strlen(fname))
292 break;
293
294 /*
295 * grow struct buffer, if needed
296 */
297 if (i == td->o.ignore_error_nr[etype]) {
298 td->o.ignore_error_nr[etype] <<= 1;
299 error = realloc(error, td->o.ignore_error_nr[etype]
300 * sizeof(int));
301 }
302 if (fname[0] == 'E') {
303 error[i] = str2error(fname);
304 } else {
305 error[i] = atoi(fname);
306 if (error[i] < 0)
1616e025 307 error[i] = -error[i];
8b28bd41
DM		 308 }
309 if (!error[i]) {
d503e281 310 log_err("Unknown error %s, please use number value\n",
8b28bd41 311 fname);
d503e281 312 td->o.ignore_error_nr[etype] = 0;
0fddbf7a 313 free(error);
8b28bd41
DM		 314 return 1;
315 }
316 i++;
317 }
318 if (i) {
319 td->o.continue_on_error |= 1 << etype;
320 td->o.ignore_error_nr[etype] = i;
321 td->o.ignore_error[etype] = error;
d503e281
TK		 322 } else {
323 td->o.ignore_error_nr[etype] = 0;
c7b086be 324 free(error);
d503e281 325 }
c7b086be 326
8b28bd41
DM		 327 return 0;
328
329}
330
331static int str_ignore_error_cb(void *data, const char *input)
332{
a609f12a 333 struct thread_data *td = cb_data_to_td(data);
8b28bd41 334 char *str, *p, *n;
3ed673c6
TK		 335 int ret = 1;
336 enum error_type_bit type = 0;
52c0cea3
JA		 337
338 if (parse_dryrun())
339 return 0;
340
8b28bd41
DM		 341 p = str = strdup(input);
342
343 strip_blank_front(&str);
344 strip_blank_end(str);
345
346 while (p) {
347 n = strchr(p, ',');
348 if (n)
349 *n++ = '\0';
350 ret = ignore_error_type(td, type, p);
351 if (ret)
352 break;
353 p = n;
354 type++;
355 }
356 free(str);
357 return ret;
358}
359
211097b2
JA		 360static int str_rw_cb(void *data, const char *str)
361{
a609f12a 362 struct thread_data *td = cb_data_to_td(data);
83ea422a 363 struct thread_options *o = &td->o;
27ca949f 364 char *nr;
211097b2 365
52c0cea3
JA		 366 if (parse_dryrun())
367 return 0;
368
83ea422a
JA		 369 o->ddir_seq_nr = 1;
370 o->ddir_seq_add = 0;
059b0802 371
27ca949f 372 nr = get_opt_postfix(str);
059b0802
JA		 373 if (!nr)
374 return 0;
375
376 if (td_random(td))
83ea422a 377 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 378 else {
379 long long val;
380
88038bc7 381 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 382 log_err("fio: rw postfix parsing failed\n");
383 free(nr);
384 return 1;
385 }
386
83ea422a 387 o->ddir_seq_add = val;
182ec6ee 388 }
211097b2 389
059b0802 390 free(nr);
211097b2
JA		 391 return 0;
392}
393
214e1eca
JA		 394static int str_mem_cb(void *data, const char *mem)
395{
a609f12a 396 struct thread_data *td = cb_data_to_td(data);
214e1eca 397
217b0f1d
LG		 398 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
399 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 400 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 401
402 return 0;
403}
404
c223da83
JA		 405static int fio_clock_source_cb(void *data, const char *str)
406{
a609f12a 407 struct thread_data *td = cb_data_to_td(data);
c223da83
JA		 408
409 fio_clock_source = td->o.clocksource;
fa80feae 410 fio_clock_source_set = 1;
01423eae 411 fio_clock_init();
c223da83
JA		 412 return 0;
413}
414
85bc833b 415static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4 416{
a609f12a 417 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 418
419 td->o.rwmix[DDIR_READ] = *val;
420 td->o.rwmix[DDIR_WRITE] = 100 - *val;
421 return 0;
422}
423
85bc833b 424static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4 425{
a609f12a 426 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 427
428 td->o.rwmix[DDIR_WRITE] = *val;
429 td->o.rwmix[DDIR_READ] = 100 - *val;
430 return 0;
431}
432
214e1eca
JA		 433static int str_exitall_cb(void)
434{
435 exitall_on_terminate = 1;
436 return 0;
437}
438
214e1eca 439#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 440int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 441{
50b5860b 442 unsigned int i, index, cpus_in_mask;
c2acfbac 443 const long max_cpu = cpus_online();
c2acfbac 444
50b5860b
JA		 445 cpus_in_mask = fio_cpu_count(mask);
446 cpu_index = cpu_index % cpus_in_mask;
447
448 index = 0;
c2acfbac 449 for (i = 0; i < max_cpu; i++) {
50b5860b 450 if (!fio_cpu_isset(mask, i))
c2acfbac 451 continue;
50b5860b
JA		 452
453 if (cpu_index != index)
454 fio_cpu_clear(mask, i);
455
456 index++;
c2acfbac
JA		 457 }
458
459 return fio_cpu_count(mask);
460}
461
85bc833b 462static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0 463{
a609f12a 464 struct thread_data *td = cb_data_to_td(data);
214e1eca 465 unsigned int i;
b03daafb 466 long max_cpu;
d2ce18b5
JA		 467 int ret;
468
52c0cea3
JA		 469 if (parse_dryrun())
470 return 0;
471
d2ce18b5
JA		 472 ret = fio_cpuset_init(&td->o.cpumask);
473 if (ret < 0) {
474 log_err("fio: cpuset_init failed\n");
475 td_verror(td, ret, "fio_cpuset_init");
476 return 1;
477 }
214e1eca 478
c00a2289 479 max_cpu = cpus_online();
214e1eca 480
62a7273d
JA		 481 for (i = 0; i < sizeof(int) * 8; i++) {
482 if ((1 << i) & *val) {
b8411399 483 if (i >= max_cpu) {
b03daafb 484 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 485 max_cpu - 1);
b03daafb
JA		 486 return 1;
487 }
62a7273d 488 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 489 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 490 }
491 }
d2e268b0 492
d2e268b0 493 return 0;
214e1eca
JA		 494}
495
e8462bd8
JA		 496static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
497 const char *input)
214e1eca 498{
d2e268b0 499 char *cpu, *str, *p;
b03daafb 500 long max_cpu;
19608d6c 501 int ret = 0;
d2e268b0 502
e8462bd8 503 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 504 if (ret < 0) {
505 log_err("fio: cpuset_init failed\n");
506 td_verror(td, ret, "fio_cpuset_init");
507 return 1;
508 }
d2e268b0
JA		 509
510 p = str = strdup(input);
214e1eca 511
d2e268b0
JA		 512 strip_blank_front(&str);
513 strip_blank_end(str);
514
c00a2289 515 max_cpu = cpus_online();
b03daafb 516
d2e268b0 517 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 518 char *str2, *cpu2;
519 int icpu, icpu2;
520
d2e268b0
JA		 521 if (!strlen(cpu))
522 break;
62a7273d
JA		 523
524 str2 = cpu;
525 icpu2 = -1;
526 while ((cpu2 = strsep(&str2, "-")) != NULL) {
527 if (!strlen(cpu2))
528 break;
529
530 icpu2 = atoi(cpu2);
531 }
532
533 icpu = atoi(cpu);
534 if (icpu2 == -1)
535 icpu2 = icpu;
536 while (icpu <= icpu2) {
6d459ee7 537 if (icpu >= FIO_MAX_CPUS) {
19608d6c 538 log_err("fio: your OS only supports up to"
6d459ee7 539 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 540 ret = 1;
541 break;
542 }
9e986889 543 if (icpu >= max_cpu) {
b03daafb 544 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 545 icpu, max_cpu - 1);
b03daafb
JA		 546 ret = 1;
547 break;
548 }
0b9d69ec 549
62a7273d 550 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 551 fio_cpu_set(mask, icpu);
62a7273d
JA		 552 icpu++;
553 }
19608d6c
JA		 554 if (ret)
555 break;
d2e268b0
JA		 556 }
557
558 free(p);
19608d6c 559 return ret;
214e1eca 560}
e8462bd8
JA		 561
562static int str_cpus_allowed_cb(void *data, const char *input)
563{
a609f12a 564 struct thread_data *td = cb_data_to_td(data);
e8462bd8 565
52c0cea3
JA		 566 if (parse_dryrun())
567 return 0;
568
b2a9e649 569 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 570}
571
572static int str_verify_cpus_allowed_cb(void *data, const char *input)
573{
a609f12a 574 struct thread_data *td = cb_data_to_td(data);
e8462bd8 575
466155e2
JA		 576 if (parse_dryrun())
577 return 0;
578
b2a9e649 579 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 580}
c08f9fe2 581
105157ad 582#ifdef CONFIG_ZLIB
c08f9fe2
JA		 583static int str_log_cpus_allowed_cb(void *data, const char *input)
584{
a609f12a 585 struct thread_data *td = cb_data_to_td(data);
c08f9fe2
JA		 586
587 if (parse_dryrun())
588 return 0;
589
590 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
591}
105157ad 592#endif /* CONFIG_ZLIB */
c08f9fe2 593
105157ad 594#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 595
67bf9823 596#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 597static int str_numa_cpunodes_cb(void *data, char *input)
598{
a609f12a 599 struct thread_data *td = cb_data_to_td(data);
43522848 600 struct bitmask *verify_bitmask;
d0b937ed 601
52c0cea3
JA		 602 if (parse_dryrun())
603 return 0;
604
d0b937ed
YR		 605 /* numa_parse_nodestring() parses a character string list
606 * of nodes into a bit mask. The bit mask is allocated by
607 * numa_allocate_nodemask(), so it should be freed by
608 * numa_free_nodemask().
609 */
43522848
DG		 610 verify_bitmask = numa_parse_nodestring(input);
611 if (verify_bitmask == NULL) {
d0b937ed
YR		 612 log_err("fio: numa_parse_nodestring failed\n");
613 td_verror(td, 1, "str_numa_cpunodes_cb");
614 return 1;
615 }
43522848 616 numa_free_nodemask(verify_bitmask);
d0b937ed 617
43522848 618 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 619 return 0;
620}
621
622static int str_numa_mpol_cb(void *data, char *input)
623{
a609f12a 624 struct thread_data *td = cb_data_to_td(data);
d0b937ed 625 const char * const policy_types[] =
05d6f44b 626 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 627 int i;
52c0cea3 628 char *nodelist;
43522848 629 struct bitmask *verify_bitmask;
52c0cea3
JA		 630
631 if (parse_dryrun())
632 return 0;
d0b937ed 633
52c0cea3 634 nodelist = strchr(input, ':');
d0b937ed
YR		 635 if (nodelist) {
636 /* NUL-terminate mode */
637 *nodelist++ = '\0';
638 }
639
640 for (i = 0; i <= MPOL_LOCAL; i++) {
641 if (!strcmp(input, policy_types[i])) {
642 td->o.numa_mem_mode = i;
643 break;
644 }
645 }
646 if (i > MPOL_LOCAL) {
647 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
648 goto out;
649 }
650
651 switch (td->o.numa_mem_mode) {
652 case MPOL_PREFERRED:
653 /*
654 * Insist on a nodelist of one node only
655 */
656 if (nodelist) {
657 char *rest = nodelist;
658 while (isdigit(*rest))
659 rest++;
660 if (*rest) {
661 log_err("fio: one node only for \'prefer\'\n");
662 goto out;
663 }
664 } else {
665 log_err("fio: one node is needed for \'prefer\'\n");
666 goto out;
667 }
668 break;
669 case MPOL_INTERLEAVE:
670 /*
671 * Default to online nodes with memory if no nodelist
672 */
673 if (!nodelist)
674 nodelist = strdup("all");
675 break;
676 case MPOL_LOCAL:
677 case MPOL_DEFAULT:
678 /*
679 * Don't allow a nodelist
680 */
681 if (nodelist) {
682 log_err("fio: NO nodelist for \'local\'\n");
683 goto out;
684 }
685 break;
686 case MPOL_BIND:
687 /*
688 * Insist on a nodelist
689 */
690 if (!nodelist) {
691 log_err("fio: a nodelist is needed for \'bind\'\n");
692 goto out;
693 }
694 break;
695 }
696
697
698 /* numa_parse_nodestring() parses a character string list
699 * of nodes into a bit mask. The bit mask is allocated by
700 * numa_allocate_nodemask(), so it should be freed by
701 * numa_free_nodemask().
702 */
703 switch (td->o.numa_mem_mode) {
704 case MPOL_PREFERRED:
705 td->o.numa_mem_prefer_node = atoi(nodelist);
706 break;
707 case MPOL_INTERLEAVE:
708 case MPOL_BIND:
43522848
DG		 709 verify_bitmask = numa_parse_nodestring(nodelist);
710 if (verify_bitmask == NULL) {
d0b937ed
YR		 711 log_err("fio: numa_parse_nodestring failed\n");
712 td_verror(td, 1, "str_numa_memnodes_cb");
713 return 1;
714 }
43522848
DG		 715 td->o.numa_memnodes = strdup(nodelist);
716 numa_free_nodemask(verify_bitmask);
b74e419e 717
d0b937ed
YR		 718 break;
719 case MPOL_LOCAL:
720 case MPOL_DEFAULT:
721 default:
722 break;
723 }
724
d0b937ed 725 return 0;
d0b937ed
YR		 726out:
727 return 1;
728}
729#endif
730
214e1eca
JA		 731static int str_fst_cb(void *data, const char *str)
732{
a609f12a 733 struct thread_data *td = cb_data_to_td(data);
8c07860d
JA		 734 double val;
735 bool done = false;
736 char *nr;
214e1eca
JA		 737
738 td->file_service_nr = 1;
8c07860d
JA		 739
740 switch (td->o.file_service_type) {
741 case FIO_FSERVICE_RANDOM:
742 case FIO_FSERVICE_RR:
743 case FIO_FSERVICE_SEQ:
744 nr = get_opt_postfix(str);
745 if (nr) {
746 td->file_service_nr = atoi(nr);
747 free(nr);
748 }
749 done = true;
750 break;
751 case FIO_FSERVICE_ZIPF:
752 val = FIO_DEF_ZIPF;
753 break;
754 case FIO_FSERVICE_PARETO:
755 val = FIO_DEF_PARETO;
756 break;
757 case FIO_FSERVICE_GAUSS:
758 val = 0.0;
759 break;
760 default:
761 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
762 return 1;
763 }
764
765 if (done)
766 return 0;
767
768 nr = get_opt_postfix(str);
769 if (nr && !str_to_float(nr, &val, 0)) {
770 log_err("fio: file service type random postfix parsing failed\n");
182ec6ee 771 free(nr);
8c07860d
JA		 772 return 1;
773 }
774
775 free(nr);
776
777 switch (td->o.file_service_type) {
778 case FIO_FSERVICE_ZIPF:
779 if (val == 1.00) {
780 log_err("fio: zipf theta must be different than 1.0\n");
781 return 1;
782 }
783 if (parse_dryrun())
784 return 0;
785 td->zipf_theta = val;
786 break;
787 case FIO_FSERVICE_PARETO:
788 if (val <= 0.00 || val >= 1.00) {
789 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
790 return 1;
791 }
792 if (parse_dryrun())
793 return 0;
794 td->pareto_h = val;
795 break;
796 case FIO_FSERVICE_GAUSS:
797 if (val < 0.00 || val >= 100.00) {
99c94a6b 798 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
8c07860d
JA		 799 return 1;
800 }
801 if (parse_dryrun())
802 return 0;
803 td->gauss_dev = val;
804 break;
182ec6ee 805 }
214e1eca
JA		 806
807 return 0;
808}
809
67bf9823 810#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 811static int str_sfr_cb(void *data, const char *str)
812{
a609f12a 813 struct thread_data *td = cb_data_to_td(data);
44f29692
JA		 814 char *nr = get_opt_postfix(str);
815
816 td->sync_file_range_nr = 1;
817 if (nr) {
818 td->sync_file_range_nr = atoi(nr);
819 free(nr);
820 }
821
822 return 0;
823}
3ae06371 824#endif
44f29692 825
e0a04ac1
JA		 826static int zone_cmp(const void *p1, const void *p2)
827{
828 const struct zone_split *zsp1 = p1;
829 const struct zone_split *zsp2 = p2;
830
831 return (int) zsp2->access_perc - (int) zsp1->access_perc;
832}
833
764593c0
JA		 834static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
835 char *str)
e0a04ac1 836{
e0a04ac1 837 unsigned int i, perc, perc_missing, sperc, sperc_missing;
d2835319 838 struct split split;
e0a04ac1 839
d2835319 840 memset(&split, 0, sizeof(split));
e0a04ac1 841
d2835319
JA		 842 if (split_parse_ddir(o, &split, ddir, str))
843 return 1;
844 if (!split.nr)
845 return 0;
e0a04ac1 846
d2835319
JA		 847 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
848 o->zone_split_nr[ddir] = split.nr;
849 for (i = 0; i < split.nr; i++) {
850 o->zone_split[ddir][i].access_perc = split.val1[i];
851 o->zone_split[ddir][i].size_perc = split.val2[i];
e0a04ac1
JA		 852 }
853
e0a04ac1
JA		 854 /*
855 * Now check if the percentages add up, and how much is missing
856 */
857 perc = perc_missing = 0;
858 sperc = sperc_missing = 0;
859 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 860 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 861
862 if (zsp->access_perc == (uint8_t) -1U)
863 perc_missing++;
864 else
865 perc += zsp->access_perc;
866
867 if (zsp->size_perc == (uint8_t) -1U)
868 sperc_missing++;
869 else
870 sperc += zsp->size_perc;
871
872 }
873
874 if (perc > 100 || sperc > 100) {
875 log_err("fio: zone_split percentages add to more than 100%%\n");
d2835319
JA		 876 free(o->zone_split[ddir]);
877 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 878 return 1;
879 }
880 if (perc < 100) {
881 log_err("fio: access percentage don't add up to 100 for zoned "
882 "random distribution (got=%u)\n", perc);
d2835319
JA		 883 free(o->zone_split[ddir]);
884 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 885 return 1;
886 }
887
888 /*
889 * If values didn't have a percentage set, divide the remains between
890 * them.
891 */
892 if (perc_missing) {
893 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
894 perc = 100;
895 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 896 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 897
898 if (zsp->access_perc == (uint8_t) -1U)
899 zsp->access_perc = (100 - perc) / perc_missing;
900 }
901 }
902 if (sperc_missing) {
903 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
904 sperc = 100;
905 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 906 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 907
908 if (zsp->size_perc == (uint8_t) -1U)
909 zsp->size_perc = (100 - sperc) / sperc_missing;
910 }
911 }
912
913 /*
914 * now sort based on percentages, for ease of lookup
915 */
d2835319 916 qsort(o->zone_split[ddir], o->zone_split_nr[ddir], sizeof(struct zone_split), zone_cmp);
e0a04ac1
JA		 917 return 0;
918}
919
920static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
921{
922 unsigned int i, j, sprev, aprev;
923
924 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
925
926 sprev = aprev = 0;
927 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
928 struct zone_split *zsp = &td->o.zone_split[ddir][i];
929
930 for (j = aprev; j < aprev + zsp->access_perc; j++) {
931 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
932
933 zsi->size_perc = sprev + zsp->size_perc;
934 zsi->size_perc_prev = sprev;
935 }
936
937 aprev += zsp->access_perc;
938 sprev += zsp->size_perc;
939 }
940}
941
942/*
943 * Generate state table for indexes, so we don't have to do it inline from
944 * the hot IO path
945 */
946static void td_zone_gen_index(struct thread_data *td)
947{
948 int i;
949
950 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
951 sizeof(struct zone_split_index *));
952
953 for (i = 0; i < DDIR_RWDIR_CNT; i++)
954 __td_zone_gen_index(td, i);
955}
956
e0a04ac1
JA		 957static int parse_zoned_distribution(struct thread_data *td, const char *input)
958{
764593c0 959 char *str, *p;
e0a04ac1
JA		 960 int i, ret = 0;
961
962 p = str = strdup(input);
963
964 strip_blank_front(&str);
965 strip_blank_end(str);
966
967 /* We expect it to start like that, bail if not */
968 if (strncmp(str, "zoned:", 6)) {
969 log_err("fio: mismatch in zoned input <%s>\n", str);
970 free(p);
971 return 1;
972 }
973 str += strlen("zoned:");
974
764593c0 975 ret = str_split_parse(td, str, zone_split_ddir);
e0a04ac1
JA		 976
977 free(p);
978
979 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
980 int j;
981
982 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
983
984 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
985 struct zone_split *zsp = &td->o.zone_split[i][j];
986
987 dprint(FD_PARSE, "\t%d: %u/%u\n", j, zsp->access_perc,
988 zsp->size_perc);
989 }
990 }
991
55baca06
JA		 992 if (parse_dryrun()) {
993 int i;
994
995 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
996 free(td->o.zone_split[i]);
997 td->o.zone_split[i] = NULL;
998 td->o.zone_split_nr[i] = 0;
999 }
1000
1001 return ret;
1002 }
1003
e0a04ac1
JA		 1004 if (!ret)
1005 td_zone_gen_index(td);
dc4bffb8
JA		 1006 else {
1007 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1008 td->o.zone_split_nr[i] = 0;
1009 }
e0a04ac1
JA		 1010
1011 return ret;
1012}
1013
e25839d4
JA		 1014static int str_random_distribution_cb(void *data, const char *str)
1015{
a609f12a 1016 struct thread_data *td = cb_data_to_td(data);
e25839d4
JA		 1017 double val;
1018 char *nr;
1019
925fee33 1020 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1021 val = FIO_DEF_ZIPF;
925fee33 1022 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1023 val = FIO_DEF_PARETO;
56d9fa4b
JA		 1024 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1025 val = 0.0;
e0a04ac1
JA		 1026 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
1027 return parse_zoned_distribution(td, str);
925fee33 1028 else
e25839d4
JA		 1029 return 0;
1030
1031 nr = get_opt_postfix(str);
88038bc7 1032 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 1033 log_err("fio: random postfix parsing failed\n");
1034 free(nr);
1035 return 1;
1036 }
1037
078189c1
JA		 1038 free(nr);
1039
18ded917
JA		 1040 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1041 if (val == 1.00) {
1042 log_err("fio: zipf theta must different than 1.0\n");
1043 return 1;
1044 }
55baca06
JA		 1045 if (parse_dryrun())
1046 return 0;
1e5324e7 1047 td->o.zipf_theta.u.f = val;
56d9fa4b 1048 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 1049 if (val <= 0.00 || val >= 1.00) {
1050 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1051 return 1;
1052 }
55baca06
JA		 1053 if (parse_dryrun())
1054 return 0;
1e5324e7 1055 td->o.pareto_h.u.f = val;
3cdb8cf3 1056 } else {
76527b19 1057 if (val < 0.00 || val >= 100.0) {
99c94a6b 1058 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA		 1059 return 1;
1060 }
55baca06
JA		 1061 if (parse_dryrun())
1062 return 0;
f88cd222 1063 td->o.gauss_dev.u.f = val;
3cdb8cf3 1064 }
921c766f
JA		 1065
1066 return 0;
1067}
1068
16e56d25
VF		 1069static int str_steadystate_cb(void *data, const char *str)
1070{
94f218f6 1071 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF		 1072 double val;
1073 char *nr;
1074 char *pct;
1075 long long ll;
1076
2c5d94bc
VF		 1077 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1078 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF		 1079 /* should be impossible to get here */
1080 log_err("fio: unknown steady state criterion\n");
1081 return 1;
1082 }
1083
1084 nr = get_opt_postfix(str);
1085 if (!nr) {
1086 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1087 free(nr);
1088 return 1;
1089 }
1090
1091 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1092 pct = strstr(nr, "%");
1093 if (pct) {
1094 *pct = '\0';
1095 strip_blank_end(nr);
1096 if (!str_to_float(nr, &val, 0)) {
1097 log_err("fio: could not parse steadystate threshold percentage\n");
1098 free(nr);
1099 return 1;
1100 }
1101
1102 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1103 free(nr);
1104 if (parse_dryrun())
1105 return 0;
1106
2c5d94bc 1107 td->o.ss_state |= __FIO_SS_PCT;
16e56d25 1108 td->o.ss_limit.u.f = val;
2c5d94bc 1109 } else if (td->o.ss_state & __FIO_SS_IOPS) {
16e56d25
VF		 1110 if (!str_to_float(nr, &val, 0)) {
1111 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1112 free(nr);
1113 return 1;
1114 }
1115
1116 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1117 free(nr);
1118 if (parse_dryrun())
1119 return 0;
1120
16e56d25 1121 td->o.ss_limit.u.f = val;
16e56d25
VF		 1122 } else { /* bandwidth criterion */
1123 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1124 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1125 free(nr);
1126 return 1;
1127 }
1128
1129 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1130 free(nr);
1131 if (parse_dryrun())
1132 return 0;
1133
16e56d25 1134 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF		 1135 }
1136
2c5d94bc 1137 td->ss.state = td->o.ss_state;
16e56d25
VF		 1138 return 0;
1139}
1140
8e827d35 1141/*
bcbfeefa 1142 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 1143 * is escaped with a '\', then that ':' is part of the filename and does not
1144 * indicate a new file.
1145 */
bcbfeefa 1146static char *get_next_name(char **ptr)
8e827d35
JA		 1147{
1148 char *str = *ptr;
1149 char *p, *start;
1150
1151 if (!str || !strlen(str))
1152 return NULL;
1153
1154 start = str;
1155 do {
1156 /*
1157 * No colon, we are done
1158 */
1159 p = strchr(str, ':');
1160 if (!p) {
1161 *ptr = NULL;
1162 break;
1163 }
1164
1165 /*
1166 * We got a colon, but it's the first character. Skip and
1167 * continue
1168 */
1169 if (p == start) {
1170 str = ++start;
1171 continue;
1172 }
1173
1174 if (*(p - 1) != '\\') {
1175 *p = '\0';
1176 *ptr = p + 1;
1177 break;
1178 }
1179
1180 memmove(p - 1, p, strlen(p) + 1);
1181 str = p;
1182 } while (1);
1183
1184 return start;
1185}
1186
bcbfeefa
CE		 1187
1188static int get_max_name_idx(char *input)
1189{
1190 unsigned int cur_idx;
1191 char *str, *p;
1192
1193 p = str = strdup(input);
1194 for (cur_idx = 0; ; cur_idx++)
1195 if (get_next_name(&str) == NULL)
1196 break;
1197
1198 free(p);
1199 return cur_idx;
1200}
1201
1202/*
1203 * Returns the directory at the index, indexes > entires will be
1204 * assigned via modulo division of the index
1205 */
922a5be8
JA		 1206int set_name_idx(char *target, size_t tlen, char *input, int index,
1207 bool unique_filename)
bcbfeefa
CE		 1208{
1209 unsigned int cur_idx;
1210 int len;
1211 char *fname, *str, *p;
1212
1213 p = str = strdup(input);
1214
1215 index %= get_max_name_idx(input);
1216 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1217 fname = get_next_name(&str);
1218
922a5be8 1219 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA		 1220 len = snprintf(target, tlen, "%s/%s.", fname,
1221 client_sockaddr_str);
1222 } else
1223 len = snprintf(target, tlen, "%s/", fname);
72a703da 1224
e13c3b50 1225 target[tlen - 1] = '\0';
bcbfeefa
CE		 1226 free(p);
1227
1228 return len;
1229}
1230
214e1eca
JA		 1231static int str_filename_cb(void *data, const char *input)
1232{
a609f12a 1233 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA		 1234 char *fname, *str, *p;
1235
1236 p = str = strdup(input);
1237
1238 strip_blank_front(&str);
1239 strip_blank_end(str);
1240
79591fa9
TK		 1241 /*
1242 * Ignore what we may already have from nrfiles option.
1243 */
214e1eca 1244 if (!td->files_index)
2dc1bbeb 1245 td->o.nr_files = 0;
214e1eca 1246
bcbfeefa 1247 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 1248 if (!strlen(fname))
1249 break;
5903e7b7 1250 add_file(td, fname, 0, 1);
214e1eca
JA		 1251 }
1252
1253 free(p);
1254 return 0;
1255}
1256
bcbfeefa 1257static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1258{
a609f12a 1259 struct thread_data *td = cb_data_to_td(data);
214e1eca 1260 struct stat sb;
bcbfeefa
CE		 1261 char *dirname, *str, *p;
1262 int ret = 0;
214e1eca 1263
f9633d72
JA		 1264 if (parse_dryrun())
1265 return 0;
1266
bcbfeefa
CE		 1267 p = str = strdup(td->o.directory);
1268 while ((dirname = get_next_name(&str)) != NULL) {
1269 if (lstat(dirname, &sb) < 0) {
1270 ret = errno;
921c766f 1271
bcbfeefa
CE		 1272 log_err("fio: %s is not a directory\n", dirname);
1273 td_verror(td, ret, "lstat");
1274 goto out;
1275 }
1276 if (!S_ISDIR(sb.st_mode)) {
1277 log_err("fio: %s is not a directory\n", dirname);
1278 ret = 1;
1279 goto out;
1280 }
214e1eca
JA		 1281 }
1282
bcbfeefa
CE		 1283out:
1284 free(p);
1285 return ret;
214e1eca
JA		 1286}
1287
1288static int str_opendir_cb(void *data, const char fio_unused *str)
1289{
a609f12a 1290 struct thread_data *td = cb_data_to_td(data);
214e1eca 1291
52c0cea3
JA		 1292 if (parse_dryrun())
1293 return 0;
1294
214e1eca 1295 if (!td->files_index)
2dc1bbeb 1296 td->o.nr_files = 0;
214e1eca 1297
2dc1bbeb 1298 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1299}
1300
ce35b1ec
JA		 1301static int str_buffer_pattern_cb(void *data, const char *input)
1302{
a609f12a 1303 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1304 int ret;
1305
61b9861d
RP		 1306 /* FIXME: for now buffer pattern does not support formats */
1307 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1308 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1309 if (ret < 0)
1310 return 1;
ce35b1ec 1311
61b9861d
RP		 1312 assert(ret != 0);
1313 td->o.buffer_pattern_bytes = ret;
c55fae03
JA		 1314
1315 /*
1316 * If this job is doing any reading or has compression set,
1317 * ensure that we refill buffers for writes or we could be
1318 * invalidating the pattern through reads.
1319 */
1320 if (!td->o.compress_percentage && !td_read(td))
61b9861d 1321 td->o.refill_buffers = 0;
c55fae03
JA		 1322 else
1323 td->o.refill_buffers = 1;
1324
61b9861d
RP		 1325 td->o.scramble_buffers = 0;
1326 td->o.zero_buffers = 0;
efcd9dcc 1327
61b9861d 1328 return 0;
ce35b1ec
JA		 1329}
1330
bedc9dc2
JA		 1331static int str_buffer_compress_cb(void *data, unsigned long long *il)
1332{
a609f12a 1333 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA		 1334
1335 td->flags |= TD_F_COMPRESS;
1336 td->o.compress_percentage = *il;
1337 return 0;
1338}
1339
5c94b008
JA		 1340static int str_dedupe_cb(void *data, unsigned long long *il)
1341{
a609f12a 1342 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA		 1343
1344 td->flags |= TD_F_COMPRESS;
1345 td->o.dedupe_percentage = *il;
1346 td->o.refill_buffers = 1;
1347 return 0;
1348}
1349
ce35b1ec
JA		 1350static int str_verify_pattern_cb(void *data, const char *input)
1351{
a609f12a 1352 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1353 int ret;
1354
61b9861d
RP		 1355 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1356 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA		 1357 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1358 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1359 if (ret < 0)
1360 return 1;
efcd9dcc 1361
61b9861d
RP		 1362 assert(ret != 0);
1363 td->o.verify_pattern_bytes = ret;
92bf48d5 1364 /*
b638d82f 1365 * VERIFY_* could already be set
92bf48d5 1366 */
61b9861d 1367 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1368 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1369
61b9861d 1370 return 0;
90059d65 1371}
214e1eca 1372
993bf48b
JA		 1373static int str_gtod_reduce_cb(void *data, int *il)
1374{
a609f12a 1375 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA		 1376 int val = *il;
1377
02af0988 1378 td->o.disable_lat = !!val;
993bf48b
JA		 1379 td->o.disable_clat = !!val;
1380 td->o.disable_slat = !!val;
1381 td->o.disable_bw = !!val;
0dc1bc03 1382 td->o.clat_percentiles = !val;
993bf48b 1383 if (val)
8b6a404c 1384 td->ts_cache_mask = 63;
993bf48b
JA		 1385
1386 return 0;
1387}
1388
89978a6b
BW		 1389static int str_offset_cb(void *data, unsigned long long *__val)
1390{
1391 struct thread_data *td = cb_data_to_td(data);
1392 unsigned long long v = *__val;
1393
1394 if (parse_is_percent(v)) {
1395 td->o.start_offset = 0;
1396 td->o.start_offset_percent = -1ULL - v;
872e0415
JA		 1397 dprint(FD_PARSE, "SET start_offset_percent %d\n",
1398 td->o.start_offset_percent);
89978a6b
BW		 1399 } else
1400 td->o.start_offset = v;
1401
1402 return 0;
1403}
1404
7bb59102
JA		 1405static int str_size_cb(void *data, unsigned long long *__val)
1406{
a609f12a 1407 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA		 1408 unsigned long long v = *__val;
1409
1410 if (parse_is_percent(v)) {
1411 td->o.size = 0;
1412 td->o.size_percent = -1ULL - v;
24e4321c
TK		 1413 dprint(FD_PARSE, "SET size_percent %d\n",
1414 td->o.size_percent);
7bb59102
JA		 1415 } else
1416 td->o.size = v;
1417
1418 return 0;
1419}
1420
dded427c
OS		 1421static int str_write_bw_log_cb(void *data, const char *str)
1422{
1423 struct thread_data *td = cb_data_to_td(data);
1424
1425 if (str)
1426 td->o.bw_log_file = strdup(str);
1427
1428 td->o.write_bw_log = 1;
1429 return 0;
1430}
1431
1432static int str_write_lat_log_cb(void *data, const char *str)
1433{
1434 struct thread_data *td = cb_data_to_td(data);
1435
1436 if (str)
1437 td->o.lat_log_file = strdup(str);
1438
1439 td->o.write_lat_log = 1;
1440 return 0;
1441}
1442
1443static int str_write_iops_log_cb(void *data, const char *str)
1444{
1445 struct thread_data *td = cb_data_to_td(data);
1446
1447 if (str)
1448 td->o.iops_log_file = strdup(str);
1449
1450 td->o.write_iops_log = 1;
1451 return 0;
1452}
1453
1454static int str_write_hist_log_cb(void *data, const char *str)
1455{
1456 struct thread_data *td = cb_data_to_td(data);
1457
1458 if (str)
1459 td->o.hist_log_file = strdup(str);
1460
1461 td->o.write_hist_log = 1;
1462 return 0;
1463}
1464
6730b40f
TK		 1465/*
1466 * str is supposed to be a substring of the strdup'd original string,
1467 * and is valid only if it's a regular file path.
1468 * This function keeps the pointer to the path as needed later.
1469 *
1470 * "external:/path/to/so\0" <- original pointer updated with strdup'd
1471 * "external\0" <- above pointer after parsed, i.e. ->ioengine
1472 * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
1473 */
1474static int str_ioengine_external_cb(void *data, const char *str)
1475{
1476 struct thread_data *td = cb_data_to_td(data);
1477 struct stat sb;
1478 char *p;
1479
1480 if (!str) {
1481 log_err("fio: null external ioengine path\n");
1482 return 1;
1483 }
1484
1485 p = (char *)str; /* str is mutable */
1486 strip_blank_front(&p);
1487 strip_blank_end(p);
1488
1489 if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
1490 log_err("fio: invalid external ioengine path \"%s\"\n", p);
1491 return 1;
1492 }
1493
1494 td->o.ioengine_so_path = p;
1495 return 0;
1496}
1497
896cac2a
JA		 1498static int rw_verify(struct fio_option *o, void *data)
1499{
a609f12a 1500 struct thread_data *td = cb_data_to_td(data);
896cac2a
JA		 1501
1502 if (read_only && td_write(td)) {
1503 log_err("fio: job <%s> has write bit set, but fio is in"
1504 " read-only mode\n", td->o.name);
1505 return 1;
1506 }
1507
1508 return 0;
1509}
1510
276ca4f7 1511static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1512{
276ca4f7 1513#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1514 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1515
29d43ff9
JA		 1516 if (td->o.gtod_cpu) {
1517 log_err("fio: platform must support CPU affinity for"
1518 "gettimeofday() offloading\n");
1519 return 1;
1520 }
1521#endif
1522
1523 return 0;
1524}
1525
214e1eca
JA		 1526/*
1527 * Map of job/command line options
1528 */
9af4a244 1529struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1530 {
1531 .name = "description",
e8b0e958 1532 .lname = "Description of job",
214e1eca 1533 .type = FIO_OPT_STR_STORE,
a609f12a 1534 .off1 = offsetof(struct thread_options, description),
214e1eca 1535 .help = "Text job description",
e8b0e958 1536 .category = FIO_OPT_C_GENERAL,
0626037e 1537 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1538 },
1539 {
1540 .name = "name",
e8b0e958 1541 .lname = "Job name",
214e1eca 1542 .type = FIO_OPT_STR_STORE,
a609f12a 1543 .off1 = offsetof(struct thread_options, name),
214e1eca 1544 .help = "Name of this job",
e8b0e958 1545 .category = FIO_OPT_C_GENERAL,
0626037e 1546 .group = FIO_OPT_G_DESC,
214e1eca 1547 },
9cc8cb91
AK		 1548 {
1549 .name = "wait_for",
1550 .lname = "Waitee name",
1551 .type = FIO_OPT_STR_STORE,
a609f12a 1552 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1553 .help = "Name of the job this one wants to wait for before starting",
1554 .category = FIO_OPT_C_GENERAL,
1555 .group = FIO_OPT_G_DESC,
1556 },
214e1eca
JA		 1557 {
1558 .name = "filename",
e8b0e958 1559 .lname = "Filename(s)",
214e1eca 1560 .type = FIO_OPT_STR_STORE,
a609f12a 1561 .off1 = offsetof(struct thread_options, filename),
214e1eca 1562 .cb = str_filename_cb,
f0d524b0 1563 .prio = -1, /* must come after "directory" */
214e1eca 1564 .help = "File(s) to use for the workload",
e8b0e958 1565 .category = FIO_OPT_C_FILE,
0626037e 1566 .group = FIO_OPT_G_FILENAME,
214e1eca 1567 },
90fef2d1 1568 {
e8b0e958
JA		 1569 .name = "directory",
1570 .lname = "Directory",
1571 .type = FIO_OPT_STR_STORE,
a609f12a 1572 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1573 .cb = str_directory_cb,
1574 .help = "Directory to store files in",
1575 .category = FIO_OPT_C_FILE,
0626037e 1576 .group = FIO_OPT_G_FILENAME,
90fef2d1 1577 },
de98bd30
JA		 1578 {
1579 .name = "filename_format",
922a5be8 1580 .lname = "Filename Format",
de98bd30 1581 .type = FIO_OPT_STR_STORE,
a609f12a 1582 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1583 .prio = -1, /* must come after "directory" */
1584 .help = "Override default $jobname.$jobnum.$filenum naming",
1585 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1586 .category = FIO_OPT_C_FILE,
1587 .group = FIO_OPT_G_FILENAME,
ad705bcb 1588 },
922a5be8
JA		 1589 {
1590 .name = "unique_filename",
1591 .lname = "Unique Filename",
1592 .type = FIO_OPT_BOOL,
a609f12a 1593 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1594 .help = "For network clients, prefix file with source IP",
1595 .def = "1",
1596 .category = FIO_OPT_C_FILE,
1597 .group = FIO_OPT_G_FILENAME,
1598 },
29c1349f
JA		 1599 {
1600 .name = "lockfile",
e8b0e958 1601 .lname = "Lockfile",
4d4e80f2 1602 .type = FIO_OPT_STR,
a609f12a 1603 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1604 .help = "Lock file when doing IO to it",
bc6a0a5d 1605 .prio = 1,
29c1349f 1606 .parent = "filename",
d71c154c 1607 .hide = 0,
4d4e80f2 1608 .def = "none",
e8b0e958 1609 .category = FIO_OPT_C_FILE,
0626037e 1610 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1611 .posval = {
1612 { .ival = "none",
1613 .oval = FILE_LOCK_NONE,
1614 .help = "No file locking",
1615 },
1616 { .ival = "exclusive",
1617 .oval = FILE_LOCK_EXCLUSIVE,
1618 .help = "Exclusive file lock",
1619 },
1620 {
1621 .ival = "readwrite",
1622 .oval = FILE_LOCK_READWRITE,
1623 .help = "Read vs write lock",
1624 },
1625 },
29c1349f 1626 },
214e1eca
JA		 1627 {
1628 .name = "opendir",
e8b0e958 1629 .lname = "Open directory",
214e1eca 1630 .type = FIO_OPT_STR_STORE,
a609f12a 1631 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1632 .cb = str_opendir_cb,
1633 .help = "Recursively add files from this directory and down",
e8b0e958 1634 .category = FIO_OPT_C_FILE,
0626037e 1635 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1636 },
1637 {
1638 .name = "rw",
e8b0e958 1639 .lname = "Read/write",
d3aad8f2 1640 .alias = "readwrite",
214e1eca 1641 .type = FIO_OPT_STR,
211097b2 1642 .cb = str_rw_cb,
a609f12a 1643 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1644 .help = "IO direction",
1645 .def = "read",
896cac2a 1646 .verify = rw_verify,
e8b0e958 1647 .category = FIO_OPT_C_IO,
0626037e 1648 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1649 .posval = {
1650 { .ival = "read",
1651 .oval = TD_DDIR_READ,
1652 .help = "Sequential read",
1653 },
1654 { .ival = "write",
1655 .oval = TD_DDIR_WRITE,
1656 .help = "Sequential write",
1657 },
6eaf09d6
SL		 1658 { .ival = "trim",
1659 .oval = TD_DDIR_TRIM,
1660 .help = "Sequential trim",
1661 },
214e1eca
JA		 1662 { .ival = "randread",
1663 .oval = TD_DDIR_RANDREAD,
1664 .help = "Random read",
1665 },
1666 { .ival = "randwrite",
1667 .oval = TD_DDIR_RANDWRITE,
1668 .help = "Random write",
1669 },
6eaf09d6
SL		 1670 { .ival = "randtrim",
1671 .oval = TD_DDIR_RANDTRIM,
1672 .help = "Random trim",
1673 },
214e1eca
JA		 1674 { .ival = "rw",
1675 .oval = TD_DDIR_RW,
1676 .help = "Sequential read and write mix",
1677 },
10b023db
JA		 1678 { .ival = "readwrite",
1679 .oval = TD_DDIR_RW,
1680 .help = "Sequential read and write mix",
1681 },
214e1eca
JA		 1682 { .ival = "randrw",
1683 .oval = TD_DDIR_RANDRW,
1684 .help = "Random read and write mix"
1685 },
82a90686
JA		 1686 { .ival = "trimwrite",
1687 .oval = TD_DDIR_TRIMWRITE,
1688 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1689 },
214e1eca
JA		 1690 },
1691 },
38dad62d
JA		 1692 {
1693 .name = "rw_sequencer",
e8b0e958 1694 .lname = "RW Sequencer",
38dad62d 1695 .type = FIO_OPT_STR,
a609f12a 1696 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1697 .help = "IO offset generator modifier",
1698 .def = "sequential",
e8b0e958 1699 .category = FIO_OPT_C_IO,
0626037e 1700 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1701 .posval = {
1702 { .ival = "sequential",
1703 .oval = RW_SEQ_SEQ,
1704 .help = "Generate sequential offsets",
1705 },
1706 { .ival = "identical",
1707 .oval = RW_SEQ_IDENT,
1708 .help = "Generate identical offsets",
1709 },
1710 },
1711 },
1712
214e1eca
JA		 1713 {
1714 .name = "ioengine",
e8b0e958 1715 .lname = "IO Engine",
214e1eca 1716 .type = FIO_OPT_STR_STORE,
a609f12a 1717 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1718 .help = "IO engine to use",
58483fa4 1719 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1720 .category = FIO_OPT_C_IO,
0626037e 1721 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1722 .posval = {
1723 { .ival = "sync",
1724 .help = "Use read/write",
1725 },
a31041ea 1726 { .ival = "psync",
1727 .help = "Use pread/pwrite",
1728 },
1d2af02a 1729 { .ival = "vsync",
03e20d68 1730 .help = "Use readv/writev",
1d2af02a 1731 },
07fc0acd
JA		 1732#ifdef CONFIG_PWRITEV
1733 { .ival = "pvsync",
1734 .help = "Use preadv/pwritev",
1735 },
1736#endif
6562685f 1737#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1738 { .ival = "pvsync2",
1739 .help = "Use preadv2/pwritev2",
1740 },
1741#endif
67bf9823 1742#ifdef CONFIG_LIBAIO
214e1eca
JA		 1743 { .ival = "libaio",
1744 .help = "Linux native asynchronous IO",
1745 },
1746#endif
67bf9823 1747#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1748 { .ival = "posixaio",
1749 .help = "POSIX asynchronous IO",
1750 },
417f0068 1751#endif
997843cb 1752#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1753 { .ival = "solarisaio",
1754 .help = "Solaris native asynchronous IO",
1755 },
214e1eca 1756#endif
4700b234 1757#ifdef CONFIG_WINDOWSAIO
03e20d68 1758 { .ival = "windowsaio",
3be80071 1759 .help = "Windows native asynchronous IO"
de890a1e 1760 },
fc5c0345
DG		 1761#endif
1762#ifdef CONFIG_RBD
1763 { .ival = "rbd",
1764 .help = "Rados Block Device asynchronous IO"
1765 },
3be80071 1766#endif
214e1eca 1767 { .ival = "mmap",
03e20d68 1768 .help = "Memory mapped IO"
214e1eca 1769 },
67bf9823 1770#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1771 { .ival = "splice",
1772 .help = "splice/vmsplice based IO",
1773 },
9cce02e8
JA		 1774 { .ival = "netsplice",
1775 .help = "splice/vmsplice to/from the network",
1776 },
214e1eca
JA		 1777#endif
1778#ifdef FIO_HAVE_SGIO
1779 { .ival = "sg",
1780 .help = "SCSI generic v3 IO",
1781 },
1782#endif
1783 { .ival = "null",
1784 .help = "Testing engine (no data transfer)",
1785 },
1786 { .ival = "net",
1787 .help = "Network IO",
1788 },
214e1eca 1789 { .ival = "cpuio",
03e20d68 1790 .help = "CPU cycle burner engine",
214e1eca 1791 },
67bf9823 1792#ifdef CONFIG_GUASI
b8c82a46
JA		 1793 { .ival = "guasi",
1794 .help = "GUASI IO engine",
1795 },
79a43187
JA		 1796#endif
1797#ifdef FIO_HAVE_BINJECT
1798 { .ival = "binject",
1799 .help = "binject direct inject block engine",
1800 },
21b8aee8 1801#endif
67bf9823 1802#ifdef CONFIG_RDMA
21b8aee8 1803 { .ival = "rdma",
1804 .help = "RDMA IO engine",
1805 },
8200b8c7 1806#endif
67bf9823 1807#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1808 { .ival = "fusion-aw-sync",
1809 .help = "Fusion-io atomic write engine",
1810 },
1ecc95ca 1811#endif
997843cb 1812#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1813 { .ival = "e4defrag",
1814 .help = "ext4 defrag engine",
1815 },
1816#endif
997843cb 1817#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1818 { .ival = "falloc",
1819 .help = "fallocate() file based engine",
1820 },
b8c82a46 1821#endif
a7c386f4 1822#ifdef CONFIG_GFAPI
1823 { .ival = "gfapi",
cc47f094 1824 .help = "Glusterfs libgfapi(sync) based engine"
1825 },
1826 { .ival = "gfapi_async",
1827 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1828 },
1829#endif
1b10477b 1830#ifdef CONFIG_LIBHDFS
b74e419e 1831 { .ival = "libhdfs",
1b10477b
MM		 1832 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1833 },
5c4ef02e
JA		 1834#endif
1835#ifdef CONFIG_PMEMBLK
1836 { .ival = "pmemblk",
1837 .help = "NVML libpmemblk based IO engine",
1838 },
1839
104ee4de
DJ		 1840#endif
1841#ifdef CONFIG_LINUX_DEVDAX
1842 { .ival = "dev-dax",
1843 .help = "DAX Device based IO engine",
1844 },
1b10477b 1845#endif
edc5fa12
JA		 1846 {
1847 .ival = "filecreate",
1848 .help = "File creation engine",
1849 },
214e1eca
JA		 1850 { .ival = "external",
1851 .help = "Load external engine (append name)",
6730b40f 1852 .cb = str_ioengine_external_cb,
214e1eca 1853 },
ae0db592
TI		 1854#ifdef CONFIG_LIBPMEM
1855 { .ival = "libpmem",
1856 .help = "NVML libpmem based IO engine",
1857 },
1858#endif
214e1eca
JA		 1859 },
1860 },
1861 {
1862 .name = "iodepth",
e8b0e958 1863 .lname = "IO Depth",
214e1eca 1864 .type = FIO_OPT_INT,
a609f12a 1865 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1866 .help = "Number of IO buffers to keep in flight",
757aff4f 1867 .minval = 1,
20eb06bd 1868 .interval = 1,
214e1eca 1869 .def = "1",
e8b0e958 1870 .category = FIO_OPT_C_IO,
0626037e 1871 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1872 },
1873 {
1874 .name = "iodepth_batch",
e8b0e958 1875 .lname = "IO Depth batch",
4950421a 1876 .alias = "iodepth_batch_submit",
214e1eca 1877 .type = FIO_OPT_INT,
a609f12a 1878 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1879 .help = "Number of IO buffers to submit in one go",
afdf9352 1880 .parent = "iodepth",
d71c154c 1881 .hide = 1,
20eb06bd 1882 .interval = 1,
a2e6f8ac 1883 .def = "1",
e8b0e958 1884 .category = FIO_OPT_C_IO,
0626037e 1885 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1886 },
1887 {
82407585
RP		 1888 .name = "iodepth_batch_complete_min",
1889 .lname = "Min IO depth batch complete",
1890 .alias = "iodepth_batch_complete",
4950421a 1891 .type = FIO_OPT_INT,
a609f12a 1892 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1893 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1894 .parent = "iodepth",
d71c154c 1895 .hide = 1,
4950421a 1896 .minval = 0,
20eb06bd 1897 .interval = 1,
4950421a 1898 .def = "1",
e8b0e958 1899 .category = FIO_OPT_C_IO,
0626037e 1900 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1901 },
82407585
RP		 1902 {
1903 .name = "iodepth_batch_complete_max",
1904 .lname = "Max IO depth batch complete",
1905 .type = FIO_OPT_INT,
a609f12a 1906 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1907 .help = "Max number of IO buffers to retrieve in one go",
1908 .parent = "iodepth",
1909 .hide = 1,
1910 .minval = 0,
1911 .interval = 1,
1912 .category = FIO_OPT_C_IO,
1913 .group = FIO_OPT_G_IO_BASIC,
1914 },
214e1eca
JA		 1915 {
1916 .name = "iodepth_low",
e8b0e958 1917 .lname = "IO Depth batch low",
214e1eca 1918 .type = FIO_OPT_INT,
a609f12a 1919 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1920 .help = "Low water mark for queuing depth",
afdf9352 1921 .parent = "iodepth",
d71c154c 1922 .hide = 1,
20eb06bd 1923 .interval = 1,
e8b0e958 1924 .category = FIO_OPT_C_IO,
0626037e 1925 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1926 },
997b5680
SW		 1927 {
1928 .name = "serialize_overlap",
1929 .lname = "Serialize overlap",
1930 .off1 = offsetof(struct thread_options, serialize_overlap),
1931 .type = FIO_OPT_BOOL,
1932 .help = "Wait for in-flight IOs that collide to complete",
1933 .parent = "iodepth",
1934 .def = "0",
1935 .category = FIO_OPT_C_IO,
1936 .group = FIO_OPT_G_IO_BASIC,
1937 },
a9da8ab2
JA		 1938 {
1939 .name = "io_submit_mode",
1940 .lname = "IO submit mode",
1941 .type = FIO_OPT_STR,
a609f12a 1942 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1943 .help = "How IO submissions and completions are done",
1944 .def = "inline",
1945 .category = FIO_OPT_C_IO,
1946 .group = FIO_OPT_G_IO_BASIC,
1947 .posval = {
1948 { .ival = "inline",
1949 .oval = IO_MODE_INLINE,
1950 .help = "Submit and complete IO inline",
1951 },
1952 { .ival = "offload",
1953 .oval = IO_MODE_OFFLOAD,
1954 .help = "Offload submit and complete to threads",
1955 },
1956 },
1957 },
214e1eca
JA		 1958 {
1959 .name = "size",
e8b0e958 1960 .lname = "Size",
214e1eca 1961 .type = FIO_OPT_STR_VAL,
7bb59102 1962 .cb = str_size_cb,
a609f12a 1963 .off1 = offsetof(struct thread_options, size),
214e1eca 1964 .help = "Total size of device or files",
20eb06bd 1965 .interval = 1024 * 1024,
e8b0e958
JA		 1966 .category = FIO_OPT_C_IO,
1967 .group = FIO_OPT_G_INVALID,
214e1eca 1968 },
77731b29 1969 {
a4d3b4db
JA		 1970 .name = "io_size",
1971 .alias = "io_limit",
1972 .lname = "IO Size",
77731b29 1973 .type = FIO_OPT_STR_VAL,
5be9bf09 1974 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 1975 .help = "Total size of I/O to be performed",
77731b29
JA		 1976 .interval = 1024 * 1024,
1977 .category = FIO_OPT_C_IO,
1978 .group = FIO_OPT_G_INVALID,
1979 },
aa31f1f1
SL		 1980 {
1981 .name = "fill_device",
e8b0e958 1982 .lname = "Fill device",
74586c1e 1983 .alias = "fill_fs",
aa31f1f1 1984 .type = FIO_OPT_BOOL,
a609f12a 1985 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 1986 .help = "Write until an ENOSPC error occurs",
1987 .def = "0",
e8b0e958
JA		 1988 .category = FIO_OPT_C_FILE,
1989 .group = FIO_OPT_G_INVALID,
aa31f1f1 1990 },
214e1eca
JA		 1991 {
1992 .name = "filesize",
e8b0e958 1993 .lname = "File size",
214e1eca 1994 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 1995 .off1 = offsetof(struct thread_options, file_size_low),
1996 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 1997 .minval = 1,
214e1eca 1998 .help = "Size of individual files",
20eb06bd 1999 .interval = 1024 * 1024,
e8b0e958
JA		 2000 .category = FIO_OPT_C_FILE,
2001 .group = FIO_OPT_G_INVALID,
214e1eca 2002 },
bedc9dc2
JA		 2003 {
2004 .name = "file_append",
2005 .lname = "File append",
2006 .type = FIO_OPT_BOOL,
a609f12a 2007 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 2008 .help = "IO will start at the end of the file(s)",
2009 .def = "0",
2010 .category = FIO_OPT_C_FILE,
2011 .group = FIO_OPT_G_INVALID,
2012 },
67a1000f
JA		 2013 {
2014 .name = "offset",
e8b0e958 2015 .lname = "IO offset",
67a1000f
JA		 2016 .alias = "fileoffset",
2017 .type = FIO_OPT_STR_VAL,
89978a6b 2018 .cb = str_offset_cb,
a609f12a 2019 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 2020 .help = "Start IO from this offset",
2021 .def = "0",
20eb06bd 2022 .interval = 1024 * 1024,
e8b0e958
JA		 2023 .category = FIO_OPT_C_IO,
2024 .group = FIO_OPT_G_INVALID,
67a1000f 2025 },
83c8b093
JF		 2026 {
2027 .name = "offset_align",
2028 .lname = "IO offset alignment",
2029 .type = FIO_OPT_INT,
2030 .off1 = offsetof(struct thread_options, start_offset_align),
2031 .help = "Start IO from this offset alignment",
2032 .def = "0",
2033 .interval = 512,
2034 .category = FIO_OPT_C_IO,
2035 .group = FIO_OPT_G_INVALID,
2036 },
2d7cd868
JA		 2037 {
2038 .name = "offset_increment",
e8b0e958 2039 .lname = "IO offset increment",
2d7cd868 2040 .type = FIO_OPT_STR_VAL,
a609f12a 2041 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 2042 .help = "What is the increment from one offset to the next",
2043 .parent = "offset",
d71c154c 2044 .hide = 1,
2d7cd868 2045 .def = "0",
20eb06bd 2046 .interval = 1024 * 1024,
e8b0e958
JA		 2047 .category = FIO_OPT_C_IO,
2048 .group = FIO_OPT_G_INVALID,
2d7cd868 2049 },
ddf24e42
JA		 2050 {
2051 .name = "number_ios",
2052 .lname = "Number of IOs to perform",
2053 .type = FIO_OPT_STR_VAL,
a609f12a 2054 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2055 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 2056 .def = "0",
2057 .category = FIO_OPT_C_IO,
2058 .group = FIO_OPT_G_INVALID,
2059 },
214e1eca
JA		 2060 {
2061 .name = "bs",
e8b0e958 2062 .lname = "Block size",
d3aad8f2 2063 .alias = "blocksize",
e01b22b8 2064 .type = FIO_OPT_INT,
a609f12a
JA		 2065 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2066 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2067 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2068 .minval = 1,
214e1eca 2069 .help = "Block size unit",
2b9136a3 2070 .def = "4096",
67a1000f 2071 .parent = "rw",
d71c154c 2072 .hide = 1,
20eb06bd 2073 .interval = 512,
e8b0e958
JA		 2074 .category = FIO_OPT_C_IO,
2075 .group = FIO_OPT_G_INVALID,
214e1eca 2076 },
2b7a01d0
JA		 2077 {
2078 .name = "ba",
e8b0e958 2079 .lname = "Block size align",
2b7a01d0 2080 .alias = "blockalign",
e01b22b8 2081 .type = FIO_OPT_INT,
a609f12a
JA		 2082 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2083 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2084 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2085 .minval = 1,
2086 .help = "IO block offset alignment",
2087 .parent = "rw",
d71c154c 2088 .hide = 1,
20eb06bd 2089 .interval = 512,
e8b0e958
JA		 2090 .category = FIO_OPT_C_IO,
2091 .group = FIO_OPT_G_INVALID,
2b7a01d0 2092 },
214e1eca
JA		 2093 {
2094 .name = "bsrange",
e8b0e958 2095 .lname = "Block size range",
d3aad8f2 2096 .alias = "blocksize_range",
214e1eca 2097 .type = FIO_OPT_RANGE,
a609f12a
JA		 2098 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2099 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2100 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2101 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2102 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2103 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2104 .minval = 1,
214e1eca 2105 .help = "Set block size range (in more detail than bs)",
67a1000f 2106 .parent = "rw",
d71c154c 2107 .hide = 1,
20eb06bd 2108 .interval = 4096,
e8b0e958
JA		 2109 .category = FIO_OPT_C_IO,
2110 .group = FIO_OPT_G_INVALID,
214e1eca 2111 },
564ca972
JA		 2112 {
2113 .name = "bssplit",
e8b0e958 2114 .lname = "Block size split",
564ca972
JA		 2115 .type = FIO_OPT_STR,
2116 .cb = str_bssplit_cb,
a609f12a 2117 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2118 .help = "Set a specific mix of block sizes",
2119 .parent = "rw",
d71c154c 2120 .hide = 1,
e8b0e958
JA		 2121 .category = FIO_OPT_C_IO,
2122 .group = FIO_OPT_G_INVALID,
564ca972 2123 },
214e1eca
JA		 2124 {
2125 .name = "bs_unaligned",
e8b0e958 2126 .lname = "Block size unaligned",
d3aad8f2 2127 .alias = "blocksize_unaligned",
214e1eca 2128 .type = FIO_OPT_STR_SET,
a609f12a 2129 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2130 .help = "Don't sector align IO buffer sizes",
67a1000f 2131 .parent = "rw",
d71c154c 2132 .hide = 1,
e8b0e958
JA		 2133 .category = FIO_OPT_C_IO,
2134 .group = FIO_OPT_G_INVALID,
214e1eca 2135 },
6aca9b3d
JA		 2136 {
2137 .name = "bs_is_seq_rand",
2138 .lname = "Block size division is seq/random (not read/write)",
2139 .type = FIO_OPT_BOOL,
a609f12a 2140 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2141 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2142 .def = "0",
2143 .parent = "blocksize",
2144 .category = FIO_OPT_C_IO,
2145 .group = FIO_OPT_G_INVALID,
2146 },
214e1eca
JA		 2147 {
2148 .name = "randrepeat",
e8b0e958 2149 .lname = "Random repeatable",
214e1eca 2150 .type = FIO_OPT_BOOL,
a609f12a 2151 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2152 .help = "Use repeatable random IO pattern",
2153 .def = "1",
67a1000f 2154 .parent = "rw",
d71c154c 2155 .hide = 1,
e8b0e958 2156 .category = FIO_OPT_C_IO,
3ceb458f 2157 .group = FIO_OPT_G_RANDOM,
214e1eca 2158 },
04778baf
JA		 2159 {
2160 .name = "randseed",
2161 .lname = "The random generator seed",
363cffa7 2162 .type = FIO_OPT_STR_VAL,
a609f12a 2163 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2164 .help = "Set the random generator seed value",
40fe5e7b 2165 .def = "0x89",
04778baf
JA		 2166 .parent = "rw",
2167 .category = FIO_OPT_C_IO,
2168 .group = FIO_OPT_G_RANDOM,
2169 },
2615cc4b
JA		 2170 {
2171 .name = "use_os_rand",
e8b0e958 2172 .lname = "Use OS random",
54a21917 2173 .type = FIO_OPT_DEPRECATED,
a609f12a 2174 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2175 .category = FIO_OPT_C_IO,
3ceb458f 2176 .group = FIO_OPT_G_RANDOM,
2615cc4b 2177 },
214e1eca
JA		 2178 {
2179 .name = "norandommap",
e8b0e958 2180 .lname = "No randommap",
214e1eca 2181 .type = FIO_OPT_STR_SET,
a609f12a 2182 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2183 .help = "Accept potential duplicate random blocks",
67a1000f 2184 .parent = "rw",
d71c154c 2185 .hide = 1,
b2452a43 2186 .hide_on_set = 1,
e8b0e958 2187 .category = FIO_OPT_C_IO,
3ceb458f 2188 .group = FIO_OPT_G_RANDOM,
214e1eca 2189 },
2b386d25
JA		 2190 {
2191 .name = "softrandommap",
e8b0e958 2192 .lname = "Soft randommap",
2b386d25 2193 .type = FIO_OPT_BOOL,
a609f12a 2194 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2195 .help = "Set norandommap if randommap allocation fails",
2b386d25 2196 .parent = "norandommap",
d71c154c 2197 .hide = 1,
2b386d25 2198 .def = "0",
e8b0e958 2199 .category = FIO_OPT_C_IO,
3ceb458f 2200 .group = FIO_OPT_G_RANDOM,
2b386d25 2201 },
8055e41d
JA		 2202 {
2203 .name = "random_generator",
cce2fdfe 2204 .lname = "Random Generator",
8055e41d 2205 .type = FIO_OPT_STR,
a609f12a 2206 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2207 .help = "Type of random number generator to use",
2208 .def = "tausworthe",
2209 .posval = {
2210 { .ival = "tausworthe",
2211 .oval = FIO_RAND_GEN_TAUSWORTHE,
2212 .help = "Strong Tausworthe generator",
2213 },
2214 { .ival = "lfsr",
2215 .oval = FIO_RAND_GEN_LFSR,
2216 .help = "Variable length LFSR",
2217 },
c3546b53
JA		 2218 {
2219 .ival = "tausworthe64",
2220 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2221 .help = "64-bit Tausworthe variant",
2222 },
8055e41d 2223 },
48107598
JA		 2224 .category = FIO_OPT_C_IO,
2225 .group = FIO_OPT_G_RANDOM,
8055e41d 2226 },
e25839d4
JA		 2227 {
2228 .name = "random_distribution",
cce2fdfe 2229 .lname = "Random Distribution",
e25839d4 2230 .type = FIO_OPT_STR,
a609f12a 2231 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2232 .cb = str_random_distribution_cb,
2233 .help = "Random offset distribution generator",
2234 .def = "random",
2235 .posval = {
2236 { .ival = "random",
2237 .oval = FIO_RAND_DIST_RANDOM,
2238 .help = "Completely random",
2239 },
2240 { .ival = "zipf",
2241 .oval = FIO_RAND_DIST_ZIPF,
2242 .help = "Zipf distribution",
2243 },
925fee33
JA		 2244 { .ival = "pareto",
2245 .oval = FIO_RAND_DIST_PARETO,
2246 .help = "Pareto distribution",
2247 },
56d9fa4b
JA		 2248 { .ival = "normal",
2249 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2250 .help = "Normal (Gaussian) distribution",
56d9fa4b 2251 },
e0a04ac1
JA		 2252 { .ival = "zoned",
2253 .oval = FIO_RAND_DIST_ZONED,
2254 .help = "Zoned random distribution",
2255 },
2256
e25839d4 2257 },
48107598
JA		 2258 .category = FIO_OPT_C_IO,
2259 .group = FIO_OPT_G_RANDOM,
e25839d4 2260 },
211c9b89
JA		 2261 {
2262 .name = "percentage_random",
2263 .lname = "Percentage Random",
2264 .type = FIO_OPT_INT,
a609f12a
JA		 2265 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2266 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2267 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2268 .maxval = 100,
2269 .help = "Percentage of seq/random mix that should be random",
d9472271 2270 .def = "100,100,100",
211c9b89
JA		 2271 .interval = 5,
2272 .inverse = "percentage_sequential",
2273 .category = FIO_OPT_C_IO,
2274 .group = FIO_OPT_G_RANDOM,
2275 },
2276 {
2277 .name = "percentage_sequential",
2278 .lname = "Percentage Sequential",
d9472271 2279 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2280 .category = FIO_OPT_C_IO,
2281 .group = FIO_OPT_G_RANDOM,
2282 },
56e2a5fc
CE		 2283 {
2284 .name = "allrandrepeat",
cce2fdfe 2285 .lname = "All Random Repeat",
56e2a5fc 2286 .type = FIO_OPT_BOOL,
a609f12a 2287 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2288 .help = "Use repeatable random numbers for everything",
2289 .def = "0",
a869d9c6
JA		 2290 .category = FIO_OPT_C_IO,
2291 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2292 },
214e1eca
JA		 2293 {
2294 .name = "nrfiles",
e8b0e958 2295 .lname = "Number of files",
d7c8be03 2296 .alias = "nr_files",
214e1eca 2297 .type = FIO_OPT_INT,
a609f12a 2298 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2299 .help = "Split job workload between this number of files",
2300 .def = "1",
20eb06bd 2301 .interval = 1,
e8b0e958
JA		 2302 .category = FIO_OPT_C_FILE,
2303 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2304 },
2305 {
2306 .name = "openfiles",
e8b0e958 2307 .lname = "Number of open files",
214e1eca 2308 .type = FIO_OPT_INT,
a609f12a 2309 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2310 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2311 .category = FIO_OPT_C_FILE,
2312 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2313 },
2314 {
2315 .name = "file_service_type",
e8b0e958 2316 .lname = "File service type",
214e1eca
JA		 2317 .type = FIO_OPT_STR,
2318 .cb = str_fst_cb,
a609f12a 2319 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2320 .help = "How to select which file to service next",
2321 .def = "roundrobin",
e8b0e958
JA		 2322 .category = FIO_OPT_C_FILE,
2323 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2324 .posval = {
2325 { .ival = "random",
2326 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2327 .help = "Choose a file at random (uniform)",
2328 },
2329 { .ival = "zipf",
2330 .oval = FIO_FSERVICE_ZIPF,
2331 .help = "Zipf randomized",
2332 },
2333 { .ival = "pareto",
2334 .oval = FIO_FSERVICE_PARETO,
2335 .help = "Pareto randomized",
2336 },
dd3503d3
SW		 2337 { .ival = "normal",
2338 .oval = FIO_FSERVICE_GAUSS,
2339 .help = "Normal (Gaussian) randomized",
2340 },
8c07860d
JA		 2341 { .ival = "gauss",
2342 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2343 .help = "Alias for normal",
214e1eca
JA		 2344 },
2345 { .ival = "roundrobin",
2346 .oval = FIO_FSERVICE_RR,
2347 .help = "Round robin select files",
2348 },
a086c257
JA		 2349 { .ival = "sequential",
2350 .oval = FIO_FSERVICE_SEQ,
2351 .help = "Finish one file before moving to the next",
2352 },
214e1eca 2353 },
67a1000f 2354 .parent = "nrfiles",
d71c154c 2355 .hide = 1,
67a1000f 2356 },
cbbdf1c8 2357#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA		 2358 {
2359 .name = "fallocate",
e8b0e958 2360 .lname = "Fallocate",
a596f047 2361 .type = FIO_OPT_STR,
a609f12a 2362 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2363 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2364 .def = "native",
e8b0e958
JA		 2365 .category = FIO_OPT_C_FILE,
2366 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2367 .posval = {
2368 { .ival = "none",
2369 .oval = FIO_FALLOCATE_NONE,
2370 .help = "Do not pre-allocate space",
2371 },
2c3e17be
SW		 2372 { .ival = "native",
2373 .oval = FIO_FALLOCATE_NATIVE,
2374 .help = "Use native pre-allocation if possible",
2375 },
2376#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2377 { .ival = "posix",
2378 .oval = FIO_FALLOCATE_POSIX,
2379 .help = "Use posix_fallocate()",
2380 },
2c3e17be 2381#endif
97ac992c 2382#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2383 { .ival = "keep",
2384 .oval = FIO_FALLOCATE_KEEP_SIZE,
2385 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2386 },
7bc8c2cf 2387#endif
a596f047
EG		 2388 /* Compatibility with former boolean values */
2389 { .ival = "0",
2390 .oval = FIO_FALLOCATE_NONE,
2391 .help = "Alias for 'none'",
2392 },
2c3e17be 2393#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2394 { .ival = "1",
2395 .oval = FIO_FALLOCATE_POSIX,
2396 .help = "Alias for 'posix'",
2397 },
2c3e17be 2398#endif
a596f047
EG		 2399 },
2400 },
cbbdf1c8 2401#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA		 2402 {
2403 .name = "fallocate",
2404 .lname = "Fallocate",
2405 .type = FIO_OPT_UNSUPPORTED,
2406 .help = "Your platform does not support fallocate",
2407 },
cbbdf1c8 2408#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA		 2409 {
2410 .name = "fadvise_hint",
e8b0e958 2411 .lname = "Fadvise hint",
ecb2083d 2412 .type = FIO_OPT_STR,
a609f12a 2413 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2414 .posval = {
2415 { .ival = "0",
2416 .oval = F_ADV_NONE,
2417 .help = "Don't issue fadvise",
2418 },
2419 { .ival = "1",
2420 .oval = F_ADV_TYPE,
2421 .help = "Advise using fio IO pattern",
2422 },
2423 { .ival = "random",
2424 .oval = F_ADV_RANDOM,
2425 .help = "Advise using FADV_RANDOM",
2426 },
2427 { .ival = "sequential",
2428 .oval = F_ADV_SEQUENTIAL,
2429 .help = "Advise using FADV_SEQUENTIAL",
2430 },
2431 },
67a1000f
JA		 2432 .help = "Use fadvise() to advise the kernel on IO pattern",
2433 .def = "1",
e8b0e958
JA		 2434 .category = FIO_OPT_C_FILE,
2435 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2436 },
2437 {
2438 .name = "fsync",
e8b0e958 2439 .lname = "Fsync",
214e1eca 2440 .type = FIO_OPT_INT,
a609f12a 2441 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2442 .help = "Issue fsync for writes every given number of blocks",
2443 .def = "0",
20eb06bd 2444 .interval = 1,
e8b0e958
JA		 2445 .category = FIO_OPT_C_FILE,
2446 .group = FIO_OPT_G_INVALID,
214e1eca 2447 },
5f9099ea
JA		 2448 {
2449 .name = "fdatasync",
e8b0e958 2450 .lname = "Fdatasync",
5f9099ea 2451 .type = FIO_OPT_INT,
a609f12a 2452 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2453 .help = "Issue fdatasync for writes every given number of blocks",
2454 .def = "0",
20eb06bd 2455 .interval = 1,
e8b0e958
JA		 2456 .category = FIO_OPT_C_FILE,
2457 .group = FIO_OPT_G_INVALID,
5f9099ea 2458 },
1ef2b6be
JA		 2459 {
2460 .name = "write_barrier",
e8b0e958 2461 .lname = "Write barrier",
1ef2b6be 2462 .type = FIO_OPT_INT,
a609f12a 2463 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2464 .help = "Make every Nth write a barrier write",
2465 .def = "0",
20eb06bd 2466 .interval = 1,
e8b0e958
JA		 2467 .category = FIO_OPT_C_IO,
2468 .group = FIO_OPT_G_INVALID,
1ef2b6be 2469 },
67bf9823 2470#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2471 {
2472 .name = "sync_file_range",
e8b0e958 2473 .lname = "Sync file range",
44f29692
JA		 2474 .posval = {
2475 { .ival = "wait_before",
2476 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2477 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2478 .orval = 1,
44f29692
JA		 2479 },
2480 { .ival = "write",
2481 .oval = SYNC_FILE_RANGE_WRITE,
2482 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2483 .orval = 1,
44f29692
JA		 2484 },
2485 {
2486 .ival = "wait_after",
2487 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2488 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2489 .orval = 1,
44f29692
JA		 2490 },
2491 },
3843deb3 2492 .type = FIO_OPT_STR_MULTI,
44f29692 2493 .cb = str_sfr_cb,
a609f12a 2494 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2495 .help = "Use sync_file_range()",
e8b0e958
JA		 2496 .category = FIO_OPT_C_FILE,
2497 .group = FIO_OPT_G_INVALID,
44f29692 2498 },
a275c37a 2499#else
54d0a315 2500 {
a275c37a
JA		 2501 .name = "sync_file_range",
2502 .lname = "Sync file range",
2503 .type = FIO_OPT_UNSUPPORTED,
2504 .help = "Your platform does not support sync_file_range",
2505 },
44f29692 2506#endif
214e1eca
JA		 2507 {
2508 .name = "direct",
e8b0e958 2509 .lname = "Direct I/O",
214e1eca 2510 .type = FIO_OPT_BOOL,
a609f12a 2511 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2512 .help = "Use O_DIRECT IO (negates buffered)",
2513 .def = "0",
a01a1bc5 2514 .inverse = "buffered",
e8b0e958 2515 .category = FIO_OPT_C_IO,
3ceb458f 2516 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2517 },
d01612f3
CM		 2518 {
2519 .name = "atomic",
2520 .lname = "Atomic I/O",
2521 .type = FIO_OPT_BOOL,
a609f12a 2522 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2523 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2524 .def = "0",
2525 .category = FIO_OPT_C_IO,
2526 .group = FIO_OPT_G_IO_TYPE,
2527 },
214e1eca
JA		 2528 {
2529 .name = "buffered",
e8b0e958 2530 .lname = "Buffered I/O",
214e1eca 2531 .type = FIO_OPT_BOOL,
a609f12a 2532 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2533 .neg = 1,
2534 .help = "Use buffered IO (negates direct)",
2535 .def = "1",
a01a1bc5 2536 .inverse = "direct",
e8b0e958 2537 .category = FIO_OPT_C_IO,
3ceb458f 2538 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2539 },
2540 {
2541 .name = "overwrite",
e8b0e958 2542 .lname = "Overwrite",
214e1eca 2543 .type = FIO_OPT_BOOL,
a609f12a 2544 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2545 .help = "When writing, set whether to overwrite current data",
2546 .def = "0",
e8b0e958
JA		 2547 .category = FIO_OPT_C_FILE,
2548 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2549 },
2550 {
2551 .name = "loops",
e8b0e958 2552 .lname = "Loops",
214e1eca 2553 .type = FIO_OPT_INT,
a609f12a 2554 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2555 .help = "Number of times to run the job",
2556 .def = "1",
20eb06bd 2557 .interval = 1,
e8b0e958 2558 .category = FIO_OPT_C_GENERAL,
a1f6afec 2559 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2560 },
2561 {
2562 .name = "numjobs",
e8b0e958 2563 .lname = "Number of jobs",
214e1eca 2564 .type = FIO_OPT_INT,
a609f12a 2565 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2566 .help = "Duplicate this job this many times",
2567 .def = "1",
20eb06bd 2568 .interval = 1,
e8b0e958 2569 .category = FIO_OPT_C_GENERAL,
a1f6afec 2570 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2571 },
2572 {
2573 .name = "startdelay",
e8b0e958 2574 .lname = "Start delay",
a5737c93 2575 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2576 .off1 = offsetof(struct thread_options, start_delay),
2577 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2578 .help = "Only start job when this period has passed",
2579 .def = "0",
0de5b26f 2580 .is_seconds = 1,
88038bc7 2581 .is_time = 1,
e8b0e958 2582 .category = FIO_OPT_C_GENERAL,
a1f6afec 2583 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2584 },
2585 {
2586 .name = "runtime",
e8b0e958 2587 .lname = "Runtime",
214e1eca
JA		 2588 .alias = "timeout",
2589 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2590 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2591 .help = "Stop workload when this amount of time has passed",
2592 .def = "0",
0de5b26f 2593 .is_seconds = 1,
88038bc7 2594 .is_time = 1,
e8b0e958 2595 .category = FIO_OPT_C_GENERAL,
a1f6afec 2596 .group = FIO_OPT_G_RUNTIME,
214e1eca 2597 },
cf4464ca
JA		 2598 {
2599 .name = "time_based",
e8b0e958 2600 .lname = "Time based",
cf4464ca 2601 .type = FIO_OPT_STR_SET,
a609f12a 2602 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2603 .help = "Keep running until runtime/timeout is met",
e8b0e958 2604 .category = FIO_OPT_C_GENERAL,
a1f6afec 2605 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2606 },
62167762
JC		 2607 {
2608 .name = "verify_only",
2609 .lname = "Verify only",
2610 .type = FIO_OPT_STR_SET,
a609f12a 2611 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2612 .help = "Verifies previously written data is still valid",
2613 .category = FIO_OPT_C_GENERAL,
2614 .group = FIO_OPT_G_RUNTIME,
2615 },
721938ae
JA		 2616 {
2617 .name = "ramp_time",
e8b0e958 2618 .lname = "Ramp time",
721938ae 2619 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2620 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2621 .help = "Ramp up time before measuring performance",
0de5b26f 2622 .is_seconds = 1,
88038bc7 2623 .is_time = 1,
e8b0e958 2624 .category = FIO_OPT_C_GENERAL,
a1f6afec 2625 .group = FIO_OPT_G_RUNTIME,
721938ae 2626 },
c223da83
JA		 2627 {
2628 .name = "clocksource",
e8b0e958 2629 .lname = "Clock source",
c223da83
JA		 2630 .type = FIO_OPT_STR,
2631 .cb = fio_clock_source_cb,
a609f12a 2632 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2633 .help = "What type of timing source to use",
e8b0e958 2634 .category = FIO_OPT_C_GENERAL,
10860056 2635 .group = FIO_OPT_G_CLOCK,
c223da83 2636 .posval = {
67bf9823 2637#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2638 { .ival = "gettimeofday",
2639 .oval = CS_GTOD,
2640 .help = "Use gettimeofday(2) for timing",
2641 },
67bf9823
JA		 2642#endif
2643#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2644 { .ival = "clock_gettime",
2645 .oval = CS_CGETTIME,
2646 .help = "Use clock_gettime(2) for timing",
2647 },
67bf9823 2648#endif
c223da83
JA		 2649#ifdef ARCH_HAVE_CPU_CLOCK
2650 { .ival = "cpu",
2651 .oval = CS_CPUCLOCK,
2652 .help = "Use CPU private clock",
2653 },
2654#endif
2655 },
2656 },
214e1eca
JA		 2657 {
2658 .name = "mem",
d3aad8f2 2659 .alias = "iomem",
e8b0e958 2660 .lname = "I/O Memory",
214e1eca
JA		 2661 .type = FIO_OPT_STR,
2662 .cb = str_mem_cb,
a609f12a 2663 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2664 .help = "Backing type for IO buffers",
2665 .def = "malloc",
e8b0e958
JA		 2666 .category = FIO_OPT_C_IO,
2667 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2668 .posval = {
2669 { .ival = "malloc",
2670 .oval = MEM_MALLOC,
2671 .help = "Use malloc(3) for IO buffers",
2672 },
c8931876 2673#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2674 { .ival = "shm",
2675 .oval = MEM_SHM,
2676 .help = "Use shared memory segments for IO buffers",
2677 },
214e1eca
JA		 2678#ifdef FIO_HAVE_HUGETLB
2679 { .ival = "shmhuge",
2680 .oval = MEM_SHMHUGE,
2681 .help = "Like shm, but use huge pages",
2682 },
c8931876 2683#endif
b370e46a 2684#endif
37c8cdfe
JA		 2685 { .ival = "mmap",
2686 .oval = MEM_MMAP,
2687 .help = "Use mmap(2) (file or anon) for IO buffers",
2688 },
217b0f1d
LG		 2689 { .ival = "mmapshared",
2690 .oval = MEM_MMAPSHARED,
2691 .help = "Like mmap, but use the shared flag",
2692 },
214e1eca
JA		 2693#ifdef FIO_HAVE_HUGETLB
2694 { .ival = "mmaphuge",
2695 .oval = MEM_MMAPHUGE,
2696 .help = "Like mmap, but use huge pages",
2697 },
03553853
YR		 2698#endif
2699#ifdef CONFIG_CUDA
2700 { .ival = "cudamalloc",
2701 .oval = MEM_CUDA_MALLOC,
2702 .help = "Allocate GPU device memory for GPUDirect RDMA",
2703 },
214e1eca
JA		 2704#endif
2705 },
2706 },
d529ee19
JA		 2707 {
2708 .name = "iomem_align",
2709 .alias = "mem_align",
e8b0e958 2710 .lname = "I/O memory alignment",
d529ee19 2711 .type = FIO_OPT_INT,
a609f12a 2712 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2713 .minval = 0,
2714 .help = "IO memory buffer offset alignment",
2715 .def = "0",
2716 .parent = "iomem",
d71c154c 2717 .hide = 1,
e8b0e958
JA		 2718 .category = FIO_OPT_C_IO,
2719 .group = FIO_OPT_G_INVALID,
d529ee19 2720 },
214e1eca
JA		 2721 {
2722 .name = "verify",
e8b0e958 2723 .lname = "Verify",
214e1eca 2724 .type = FIO_OPT_STR,
a609f12a 2725 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2726 .help = "Verify data written",
2727 .def = "0",
e8b0e958 2728 .category = FIO_OPT_C_IO,
3ceb458f 2729 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2730 .posval = {
2731 { .ival = "0",
2732 .oval = VERIFY_NONE,
2733 .help = "Don't do IO verification",
2734 },
fcca4b58
JA		 2735 { .ival = "md5",
2736 .oval = VERIFY_MD5,
2737 .help = "Use md5 checksums for verification",
2738 },
d77a7af3
JA		 2739 { .ival = "crc64",
2740 .oval = VERIFY_CRC64,
2741 .help = "Use crc64 checksums for verification",
2742 },
214e1eca
JA		 2743 { .ival = "crc32",
2744 .oval = VERIFY_CRC32,
2745 .help = "Use crc32 checksums for verification",
2746 },
af497e6a 2747 { .ival = "crc32c-intel",
e3aaafc4
JA		 2748 .oval = VERIFY_CRC32C,
2749 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2750 },
bac39e0e
JA		 2751 { .ival = "crc32c",
2752 .oval = VERIFY_CRC32C,
e3aaafc4 2753 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2754 },
969f7ed3
JA		 2755 { .ival = "crc16",
2756 .oval = VERIFY_CRC16,
2757 .help = "Use crc16 checksums for verification",
2758 },
1e154bdb
JA		 2759 { .ival = "crc7",
2760 .oval = VERIFY_CRC7,
2761 .help = "Use crc7 checksums for verification",
2762 },
7c353ceb
JA		 2763 { .ival = "sha1",
2764 .oval = VERIFY_SHA1,
2765 .help = "Use sha1 checksums for verification",
2766 },
cd14cc10
JA		 2767 { .ival = "sha256",
2768 .oval = VERIFY_SHA256,
2769 .help = "Use sha256 checksums for verification",
2770 },
2771 { .ival = "sha512",
2772 .oval = VERIFY_SHA512,
2773 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2774 },
2775 { .ival = "sha3-224",
2776 .oval = VERIFY_SHA3_224,
2777 .help = "Use sha3-224 checksums for verification",
2778 },
2779 { .ival = "sha3-256",
2780 .oval = VERIFY_SHA3_256,
2781 .help = "Use sha3-256 checksums for verification",
2782 },
2783 { .ival = "sha3-384",
2784 .oval = VERIFY_SHA3_384,
2785 .help = "Use sha3-384 checksums for verification",
2786 },
2787 { .ival = "sha3-512",
2788 .oval = VERIFY_SHA3_512,
2789 .help = "Use sha3-512 checksums for verification",
cd14cc10 2790 },
844ea602
JA		 2791 { .ival = "xxhash",
2792 .oval = VERIFY_XXHASH,
2793 .help = "Use xxhash checksums for verification",
2794 },
b638d82f
RP		 2795 /* Meta information was included into verify_header,
2796 * 'meta' verification is implied by default. */
7437ee87 2797 { .ival = "meta",
b638d82f
RP		 2798 .oval = VERIFY_HDR_ONLY,
2799 .help = "Use io information for verification. "
2800 "Now is implied by default, thus option is obsolete, "
2801 "don't use it",
7437ee87 2802 },
59245381
JA		 2803 { .ival = "pattern",
2804 .oval = VERIFY_PATTERN_NO_HDR,
2805 .help = "Verify strict pattern",
2806 },
36690c9b
JA		 2807 {
2808 .ival = "null",
2809 .oval = VERIFY_NULL,
2810 .help = "Pretend to verify",
2811 },
214e1eca
JA		 2812 },
2813 },
005c565a
JA		 2814 {
2815 .name = "do_verify",
e8b0e958 2816 .lname = "Perform verify step",
68e1f29a 2817 .type = FIO_OPT_BOOL,
a609f12a 2818 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2819 .help = "Run verification stage after write",
2820 .def = "1",
2821 .parent = "verify",
d71c154c 2822 .hide = 1,
e8b0e958
JA		 2823 .category = FIO_OPT_C_IO,
2824 .group = FIO_OPT_G_VERIFY,
005c565a 2825 },
160b966d
JA		 2826 {
2827 .name = "verifysort",
e8b0e958 2828 .lname = "Verify sort",
160b966d 2829 .type = FIO_OPT_BOOL,
a609f12a 2830 .off1 = offsetof(struct thread_options, verifysort),
160b966d
JA		 2831 .help = "Sort written verify blocks for read back",
2832 .def = "1",
c83f2df1 2833 .parent = "verify",
d71c154c 2834 .hide = 1,
e8b0e958
JA		 2835 .category = FIO_OPT_C_IO,
2836 .group = FIO_OPT_G_VERIFY,
160b966d 2837 },
1ae83d45
JA		 2838 {
2839 .name = "verifysort_nr",
cce2fdfe 2840 .lname = "Verify Sort Nr",
1ae83d45 2841 .type = FIO_OPT_INT,
a609f12a 2842 .off1 = offsetof(struct thread_options, verifysort_nr),
1ae83d45
JA		 2843 .help = "Pre-load and sort verify blocks for a read workload",
2844 .minval = 0,
2845 .maxval = 131072,
2846 .def = "1024",
2847 .parent = "verify",
836fcc0f
JA		 2848 .category = FIO_OPT_C_IO,
2849 .group = FIO_OPT_G_VERIFY,
1ae83d45 2850 },
3f9f4e26 2851 {
a59e170d 2852 .name = "verify_interval",
e8b0e958 2853 .lname = "Verify interval",
e01b22b8 2854 .type = FIO_OPT_INT,
a609f12a 2855 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2856 .minval = 2 * sizeof(struct verify_header),
a59e170d 2857 .help = "Store verify buffer header every N bytes",
afdf9352 2858 .parent = "verify",
d71c154c 2859 .hide = 1,
20eb06bd 2860 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2861 .category = FIO_OPT_C_IO,
2862 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2863 },
546a9142 2864 {
a59e170d 2865 .name = "verify_offset",
e8b0e958 2866 .lname = "Verify offset",
e01b22b8 2867 .type = FIO_OPT_INT,
a59e170d 2868 .help = "Offset verify header location by N bytes",
a609f12a 2869 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2870 .minval = sizeof(struct verify_header),
afdf9352 2871 .parent = "verify",
d71c154c 2872 .hide = 1,
e8b0e958
JA		 2873 .category = FIO_OPT_C_IO,
2874 .group = FIO_OPT_G_VERIFY,
546a9142 2875 },
e28218f3
SL		 2876 {
2877 .name = "verify_pattern",
e8b0e958 2878 .lname = "Verify pattern",
0e92f873 2879 .type = FIO_OPT_STR,
e28218f3 2880 .cb = str_verify_pattern_cb,
a609f12a 2881 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2882 .help = "Fill pattern for IO buffers",
2883 .parent = "verify",
d71c154c 2884 .hide = 1,
e8b0e958
JA		 2885 .category = FIO_OPT_C_IO,
2886 .group = FIO_OPT_G_VERIFY,
e28218f3 2887 },
a12a3b4d
JA		 2888 {
2889 .name = "verify_fatal",
e8b0e958 2890 .lname = "Verify fatal",
68e1f29a 2891 .type = FIO_OPT_BOOL,
a609f12a 2892 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2893 .def = "0",
2894 .help = "Exit on a single verify failure, don't continue",
2895 .parent = "verify",
d71c154c 2896 .hide = 1,
e8b0e958
JA		 2897 .category = FIO_OPT_C_IO,
2898 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2899 },
b463e936
JA		 2900 {
2901 .name = "verify_dump",
e8b0e958 2902 .lname = "Verify dump",
b463e936 2903 .type = FIO_OPT_BOOL,
a609f12a 2904 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2905 .def = "0",
b463e936
JA		 2906 .help = "Dump contents of good and bad blocks on failure",
2907 .parent = "verify",
d71c154c 2908 .hide = 1,
e8b0e958
JA		 2909 .category = FIO_OPT_C_IO,
2910 .group = FIO_OPT_G_VERIFY,
b463e936 2911 },
e8462bd8
JA		 2912 {
2913 .name = "verify_async",
e8b0e958 2914 .lname = "Verify asynchronously",
e8462bd8 2915 .type = FIO_OPT_INT,
a609f12a 2916 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2917 .def = "0",
2918 .help = "Number of async verifier threads to use",
2919 .parent = "verify",
d71c154c 2920 .hide = 1,
e8b0e958
JA		 2921 .category = FIO_OPT_C_IO,
2922 .group = FIO_OPT_G_VERIFY,
e8462bd8 2923 },
9e144189
JA		 2924 {
2925 .name = "verify_backlog",
e8b0e958 2926 .lname = "Verify backlog",
9e144189 2927 .type = FIO_OPT_STR_VAL,
a609f12a 2928 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2929 .help = "Verify after this number of blocks are written",
2930 .parent = "verify",
d71c154c 2931 .hide = 1,
e8b0e958
JA		 2932 .category = FIO_OPT_C_IO,
2933 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2934 },
2935 {
2936 .name = "verify_backlog_batch",
e8b0e958 2937 .lname = "Verify backlog batch",
9e144189 2938 .type = FIO_OPT_INT,
a609f12a 2939 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2940 .help = "Verify this number of IO blocks",
0d29de83 2941 .parent = "verify",
d71c154c 2942 .hide = 1,
e8b0e958
JA		 2943 .category = FIO_OPT_C_IO,
2944 .group = FIO_OPT_G_VERIFY,
9e144189 2945 },
e8462bd8
JA		 2946#ifdef FIO_HAVE_CPU_AFFINITY
2947 {
2948 .name = "verify_async_cpus",
e8b0e958 2949 .lname = "Async verify CPUs",
e8462bd8
JA		 2950 .type = FIO_OPT_STR,
2951 .cb = str_verify_cpus_allowed_cb,
a609f12a 2952 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2953 .help = "Set CPUs allowed for async verify threads",
2954 .parent = "verify_async",
d71c154c 2955 .hide = 1,
e8b0e958
JA		 2956 .category = FIO_OPT_C_IO,
2957 .group = FIO_OPT_G_VERIFY,
e8462bd8 2958 },
a275c37a
JA		 2959#else
2960 {
2961 .name = "verify_async_cpus",
2962 .lname = "Async verify CPUs",
2963 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2964 .help = "Your platform does not support CPU affinities",
a275c37a 2965 },
0d29de83 2966#endif
51aa2da8
JA		 2967 {
2968 .name = "experimental_verify",
cce2fdfe 2969 .lname = "Experimental Verify",
a609f12a 2970 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2971 .type = FIO_OPT_BOOL,
b31eaac9 2972 .help = "Enable experimental verification",
ca09be4b
JA		 2973 .parent = "verify",
2974 .category = FIO_OPT_C_IO,
2975 .group = FIO_OPT_G_VERIFY,
2976 },
2977 {
2978 .name = "verify_state_load",
2979 .lname = "Load verify state",
a609f12a 2980 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 2981 .type = FIO_OPT_BOOL,
2982 .help = "Load verify termination state",
2983 .parent = "verify",
2984 .category = FIO_OPT_C_IO,
2985 .group = FIO_OPT_G_VERIFY,
2986 },
2987 {
2988 .name = "verify_state_save",
2989 .lname = "Save verify state",
a609f12a 2990 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 2991 .type = FIO_OPT_BOOL,
2992 .def = "1",
2993 .help = "Save verify state on termination",
2994 .parent = "verify",
836fcc0f
JA		 2995 .category = FIO_OPT_C_IO,
2996 .group = FIO_OPT_G_VERIFY,
51aa2da8 2997 },
0d29de83
JA		 2998#ifdef FIO_HAVE_TRIM
2999 {
3000 .name = "trim_percentage",
e8b0e958 3001 .lname = "Trim percentage",
0d29de83 3002 .type = FIO_OPT_INT,
a609f12a 3003 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 3004 .minval = 0,
0d29de83 3005 .maxval = 100,
169c098d 3006 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 3007 .parent = "verify",
3008 .def = "0",
20eb06bd 3009 .interval = 1,
d71c154c 3010 .hide = 1,
e8b0e958
JA		 3011 .category = FIO_OPT_C_IO,
3012 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3013 },
3014 {
3015 .name = "trim_verify_zero",
e8b0e958 3016 .lname = "Verify trim zero",
20eb06bd 3017 .type = FIO_OPT_BOOL,
169c098d 3018 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3019 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3020 .parent = "trim_percentage",
d71c154c 3021 .hide = 1,
0d29de83 3022 .def = "1",
e8b0e958
JA		 3023 .category = FIO_OPT_C_IO,
3024 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3025 },
3026 {
3027 .name = "trim_backlog",
e8b0e958 3028 .lname = "Trim backlog",
0d29de83 3029 .type = FIO_OPT_STR_VAL,
a609f12a 3030 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 3031 .help = "Trim after this number of blocks are written",
3032 .parent = "trim_percentage",
d71c154c 3033 .hide = 1,
20eb06bd 3034 .interval = 1,
e8b0e958
JA		 3035 .category = FIO_OPT_C_IO,
3036 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3037 },
3038 {
3039 .name = "trim_backlog_batch",
e8b0e958 3040 .lname = "Trim backlog batch",
0d29de83 3041 .type = FIO_OPT_INT,
a609f12a 3042 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 3043 .help = "Trim this number of IO blocks",
3044 .parent = "trim_percentage",
d71c154c 3045 .hide = 1,
20eb06bd 3046 .interval = 1,
e8b0e958
JA		 3047 .category = FIO_OPT_C_IO,
3048 .group = FIO_OPT_G_TRIM,
0d29de83 3049 },
a275c37a
JA		 3050#else
3051 {
3052 .name = "trim_percentage",
3053 .lname = "Trim percentage",
3054 .type = FIO_OPT_UNSUPPORTED,
3055 .help = "Fio does not support TRIM on your platform",
3056 },
3057 {
3058 .name = "trim_verify_zero",
3059 .lname = "Verify trim zero",
3060 .type = FIO_OPT_UNSUPPORTED,
3061 .help = "Fio does not support TRIM on your platform",
3062 },
3063 {
3064 .name = "trim_backlog",
3065 .lname = "Trim backlog",
3066 .type = FIO_OPT_UNSUPPORTED,
3067 .help = "Fio does not support TRIM on your platform",
3068 },
3069 {
3070 .name = "trim_backlog_batch",
3071 .lname = "Trim backlog batch",
3072 .type = FIO_OPT_UNSUPPORTED,
3073 .help = "Fio does not support TRIM on your platform",
3074 },
e8462bd8 3075#endif
214e1eca
JA		 3076 {
3077 .name = "write_iolog",
e8b0e958 3078 .lname = "Write I/O log",
214e1eca 3079 .type = FIO_OPT_STR_STORE,
a609f12a 3080 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3081 .help = "Store IO pattern to file",
e8b0e958
JA		 3082 .category = FIO_OPT_C_IO,
3083 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3084 },
3085 {
3086 .name = "read_iolog",
e8b0e958 3087 .lname = "Read I/O log",
214e1eca 3088 .type = FIO_OPT_STR_STORE,
a609f12a 3089 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3090 .help = "Playback IO pattern from file",
e8b0e958
JA		 3091 .category = FIO_OPT_C_IO,
3092 .group = FIO_OPT_G_IOLOG,
214e1eca 3093 },
64bbb865
DN		 3094 {
3095 .name = "replay_no_stall",
e8b0e958 3096 .lname = "Don't stall on replay",
20eb06bd 3097 .type = FIO_OPT_BOOL,
a609f12a 3098 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3099 .def = "0",
87e7a972 3100 .parent = "read_iolog",
d71c154c 3101 .hide = 1,
64bbb865 3102 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3103 .category = FIO_OPT_C_IO,
3104 .group = FIO_OPT_G_IOLOG,
64bbb865 3105 },
d1c46c04
DN		 3106 {
3107 .name = "replay_redirect",
e8b0e958 3108 .lname = "Redirect device for replay",
d1c46c04 3109 .type = FIO_OPT_STR_STORE,
a609f12a 3110 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3111 .parent = "read_iolog",
d71c154c 3112 .hide = 1,
d1c46c04 3113 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3114 .category = FIO_OPT_C_IO,
3115 .group = FIO_OPT_G_IOLOG,
d1c46c04 3116 },
0c63576e
JA		 3117 {
3118 .name = "replay_scale",
3119 .lname = "Replace offset scale factor",
3120 .type = FIO_OPT_INT,
a609f12a 3121 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3122 .parent = "read_iolog",
3123 .def = "1",
3124 .help = "Align offsets to this blocksize",
3125 .category = FIO_OPT_C_IO,
3126 .group = FIO_OPT_G_IOLOG,
3127 },
3128 {
3129 .name = "replay_align",
3130 .lname = "Replace alignment",
3131 .type = FIO_OPT_INT,
a609f12a 3132 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3133 .parent = "read_iolog",
3134 .help = "Scale offset down by this factor",
3135 .category = FIO_OPT_C_IO,
3136 .group = FIO_OPT_G_IOLOG,
3137 .pow2 = 1,
3138 },
214e1eca
JA		 3139 {
3140 .name = "exec_prerun",
e8b0e958 3141 .lname = "Pre-execute runnable",
214e1eca 3142 .type = FIO_OPT_STR_STORE,
a609f12a 3143 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3144 .help = "Execute this file prior to running job",
e8b0e958
JA		 3145 .category = FIO_OPT_C_GENERAL,
3146 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3147 },
3148 {
3149 .name = "exec_postrun",
e8b0e958 3150 .lname = "Post-execute runnable",
214e1eca 3151 .type = FIO_OPT_STR_STORE,
a609f12a 3152 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3153 .help = "Execute this file after running job",
e8b0e958
JA		 3154 .category = FIO_OPT_C_GENERAL,
3155 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3156 },
3157#ifdef FIO_HAVE_IOSCHED_SWITCH
3158 {
3159 .name = "ioscheduler",
e8b0e958 3160 .lname = "I/O scheduler",
214e1eca 3161 .type = FIO_OPT_STR_STORE,
a609f12a 3162 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3163 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3164 .category = FIO_OPT_C_FILE,
3165 .group = FIO_OPT_G_INVALID,
214e1eca 3166 },
a275c37a
JA		 3167#else
3168 {
3169 .name = "ioscheduler",
3170 .lname = "I/O scheduler",
3171 .type = FIO_OPT_UNSUPPORTED,
3172 .help = "Your platform does not support IO scheduler switching",
3173 },
214e1eca
JA		 3174#endif
3175 {
3176 .name = "zonesize",
e8b0e958 3177 .lname = "Zone size",
214e1eca 3178 .type = FIO_OPT_STR_VAL,
a609f12a 3179 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3180 .help = "Amount of data to read per zone",
3181 .def = "0",
20eb06bd 3182 .interval = 1024 * 1024,
e8b0e958
JA		 3183 .category = FIO_OPT_C_IO,
3184 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3185 },
3186 {
3187 .name = "zonerange",
e8b0e958 3188 .lname = "Zone range",
ed335855 3189 .type = FIO_OPT_STR_VAL,
a609f12a 3190 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3191 .help = "Give size of an IO zone",
3192 .def = "0",
20eb06bd 3193 .interval = 1024 * 1024,
e8b0e958
JA		 3194 .category = FIO_OPT_C_IO,
3195 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3196 },
3197 {
3198 .name = "zoneskip",
e8b0e958 3199 .lname = "Zone skip",
214e1eca 3200 .type = FIO_OPT_STR_VAL,
a609f12a 3201 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3202 .help = "Space between IO zones",
3203 .def = "0",
20eb06bd 3204 .interval = 1024 * 1024,
e8b0e958
JA		 3205 .category = FIO_OPT_C_IO,
3206 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3207 },
3208 {
3209 .name = "lockmem",
e8b0e958 3210 .lname = "Lock memory",
214e1eca 3211 .type = FIO_OPT_STR_VAL,
a609f12a 3212 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3213 .help = "Lock down this amount of memory (per worker)",
214e1eca 3214 .def = "0",
20eb06bd 3215 .interval = 1024 * 1024,
e8b0e958
JA		 3216 .category = FIO_OPT_C_GENERAL,
3217 .group = FIO_OPT_G_INVALID,
214e1eca 3218 },
214e1eca
JA		 3219 {
3220 .name = "rwmixread",
e8b0e958 3221 .lname = "Read/write mix read",
214e1eca 3222 .type = FIO_OPT_INT,
cb499fc4 3223 .cb = str_rwmix_read_cb,
a609f12a 3224 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3225 .maxval = 100,
3226 .help = "Percentage of mixed workload that is reads",
3227 .def = "50",
20eb06bd 3228 .interval = 5,
90265353 3229 .inverse = "rwmixwrite",
e8b0e958
JA		 3230 .category = FIO_OPT_C_IO,
3231 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3232 },
3233 {
3234 .name = "rwmixwrite",
e8b0e958 3235 .lname = "Read/write mix write",
214e1eca 3236 .type = FIO_OPT_INT,
cb499fc4 3237 .cb = str_rwmix_write_cb,
a609f12a 3238 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3239 .maxval = 100,
3240 .help = "Percentage of mixed workload that is writes",
3241 .def = "50",
20eb06bd 3242 .interval = 5,
90265353 3243 .inverse = "rwmixread",
e8b0e958
JA		 3244 .category = FIO_OPT_C_IO,
3245 .group = FIO_OPT_G_RWMIX,
214e1eca 3246 },
afdf9352
JA		 3247 {
3248 .name = "rwmixcycle",
e8b0e958 3249 .lname = "Read/write mix cycle",
15ca150e 3250 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3251 .category = FIO_OPT_C_IO,
3252 .group = FIO_OPT_G_RWMIX,
afdf9352 3253 },
214e1eca
JA		 3254 {
3255 .name = "nice",
e8b0e958 3256 .lname = "Nice",
214e1eca 3257 .type = FIO_OPT_INT,
a609f12a 3258 .off1 = offsetof(struct thread_options, nice),
214e1eca 3259 .help = "Set job CPU nice value",
11fd6aa8
RC		 3260 .minval = -20,
3261 .maxval = 19,
214e1eca 3262 .def = "0",
20eb06bd 3263 .interval = 1,
e8b0e958 3264 .category = FIO_OPT_C_GENERAL,
10860056 3265 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3266 },
3267#ifdef FIO_HAVE_IOPRIO
3268 {
3269 .name = "prio",
e8b0e958 3270 .lname = "I/O nice priority",
214e1eca 3271 .type = FIO_OPT_INT,
a609f12a 3272 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3273 .help = "Set job IO priority value",
1767bd34
TK		 3274 .minval = IOPRIO_MIN_PRIO,
3275 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3276 .interval = 1,
e8b0e958 3277 .category = FIO_OPT_C_GENERAL,
10860056 3278 .group = FIO_OPT_G_CRED,
214e1eca 3279 },
32ef447a
TK		 3280#else
3281 {
3282 .name = "prio",
3283 .lname = "I/O nice priority",
3284 .type = FIO_OPT_UNSUPPORTED,
3285 .help = "Your platform does not support IO priorities",
3286 },
3287#endif
3288#ifdef FIO_HAVE_IOPRIO_CLASS
3289#ifndef FIO_HAVE_IOPRIO
3290#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3291#endif
214e1eca
JA		 3292 {
3293 .name = "prioclass",
e8b0e958 3294 .lname = "I/O nice priority class",
214e1eca 3295 .type = FIO_OPT_INT,
a609f12a 3296 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3297 .help = "Set job IO priority class",
1767bd34
TK		 3298 .minval = IOPRIO_MIN_PRIO_CLASS,
3299 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3300 .interval = 1,
e8b0e958 3301 .category = FIO_OPT_C_GENERAL,
10860056 3302 .group = FIO_OPT_G_CRED,
214e1eca 3303 },
a275c37a 3304#else
a275c37a
JA		 3305 {
3306 .name = "prioclass",
3307 .lname = "I/O nice priority class",
3308 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3309 .help = "Your platform does not support IO priority classes",
a275c37a 3310 },
214e1eca
JA		 3311#endif
3312 {
3313 .name = "thinktime",
e8b0e958 3314 .lname = "Thinktime",
214e1eca 3315 .type = FIO_OPT_INT,
a609f12a 3316 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3317 .help = "Idle time between IO buffers (usec)",
3318 .def = "0",
88038bc7 3319 .is_time = 1,
e8b0e958 3320 .category = FIO_OPT_C_IO,
3ceb458f 3321 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3322 },
3323 {
3324 .name = "thinktime_spin",
e8b0e958 3325 .lname = "Thinktime spin",
214e1eca 3326 .type = FIO_OPT_INT,
a609f12a 3327 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3328 .help = "Start think time by spinning this amount (usec)",
3329 .def = "0",
88038bc7 3330 .is_time = 1,
afdf9352 3331 .parent = "thinktime",
d71c154c 3332 .hide = 1,
e8b0e958 3333 .category = FIO_OPT_C_IO,
3ceb458f 3334 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3335 },
3336 {
3337 .name = "thinktime_blocks",
e8b0e958 3338 .lname = "Thinktime blocks",
214e1eca 3339 .type = FIO_OPT_INT,
a609f12a 3340 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3341 .help = "IO buffer period between 'thinktime'",
3342 .def = "1",
afdf9352 3343 .parent = "thinktime",
d71c154c 3344 .hide = 1,
e8b0e958 3345 .category = FIO_OPT_C_IO,
3ceb458f 3346 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3347 },
3348 {
3349 .name = "rate",
e8b0e958 3350 .lname = "I/O rate",
e01b22b8 3351 .type = FIO_OPT_INT,
a609f12a
JA		 3352 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3353 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3354 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3355 .help = "Set bandwidth rate",
e8b0e958
JA		 3356 .category = FIO_OPT_C_IO,
3357 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3358 },
3359 {
6d428bcd
JA		 3360 .name = "rate_min",
3361 .alias = "ratemin",
e8b0e958 3362 .lname = "I/O min rate",
e01b22b8 3363 .type = FIO_OPT_INT,
a609f12a
JA		 3364 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3365 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3366 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3367 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3368 .parent = "rate",
d71c154c 3369 .hide = 1,
e8b0e958
JA		 3370 .category = FIO_OPT_C_IO,
3371 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3372 },
3373 {
3374 .name = "rate_iops",
e8b0e958 3375 .lname = "I/O rate IOPS",
e01b22b8 3376 .type = FIO_OPT_INT,
a609f12a
JA		 3377 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3378 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3379 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3380 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3381 .hide = 1,
e8b0e958
JA		 3382 .category = FIO_OPT_C_IO,
3383 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3384 },
3385 {
3386 .name = "rate_iops_min",
e8b0e958 3387 .lname = "I/O min rate IOPS",
e01b22b8 3388 .type = FIO_OPT_INT,
a609f12a
JA		 3389 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3390 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3391 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3392 .help = "Job must meet this rate or it will be shut down",
afdf9352 3393 .parent = "rate_iops",
d71c154c 3394 .hide = 1,
e8b0e958
JA		 3395 .category = FIO_OPT_C_IO,
3396 .group = FIO_OPT_G_RATE,
214e1eca 3397 },
ff6bb260 3398 {
6de65959
JA		 3399 .name = "rate_process",
3400 .lname = "Rate Process",
3401 .type = FIO_OPT_STR,
a609f12a 3402 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3403 .help = "What process controls how rated IO is managed",
3404 .def = "linear",
ff6bb260
SL		 3405 .category = FIO_OPT_C_IO,
3406 .group = FIO_OPT_G_RATE,
6de65959
JA		 3407 .posval = {
3408 { .ival = "linear",
3409 .oval = RATE_PROCESS_LINEAR,
3410 .help = "Linear rate of IO",
3411 },
3412 {
3413 .ival = "poisson",
3414 .oval = RATE_PROCESS_POISSON,
3415 .help = "Rate follows Poisson process",
3416 },
3417 },
3418 .parent = "rate",
ff6bb260 3419 },
214e1eca 3420 {
6d428bcd
JA		 3421 .name = "rate_cycle",
3422 .alias = "ratecycle",
e8b0e958 3423 .lname = "I/O rate cycle",
214e1eca 3424 .type = FIO_OPT_INT,
a609f12a 3425 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3426 .help = "Window average for rate limits (msec)",
3427 .def = "1000",
afdf9352 3428 .parent = "rate",
d71c154c 3429 .hide = 1,
e8b0e958
JA		 3430 .category = FIO_OPT_C_IO,
3431 .group = FIO_OPT_G_RATE,
214e1eca 3432 },
15501535
JA		 3433 {
3434 .name = "max_latency",
cce2fdfe 3435 .lname = "Max Latency",
15501535 3436 .type = FIO_OPT_INT,
a609f12a 3437 .off1 = offsetof(struct thread_options, max_latency),
15501535 3438 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3439 .is_time = 1,
1e5324e7 3440 .category = FIO_OPT_C_IO,
3e260a46
JA		 3441 .group = FIO_OPT_G_LATPROF,
3442 },
3443 {
3444 .name = "latency_target",
3445 .lname = "Latency Target (usec)",
3446 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3447 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3448 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3449 .is_time = 1,
3e260a46
JA		 3450 .category = FIO_OPT_C_IO,
3451 .group = FIO_OPT_G_LATPROF,
3452 },
3453 {
3454 .name = "latency_window",
3455 .lname = "Latency Window (usec)",
3456 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3457 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3458 .help = "Time to sustain latency_target",
88038bc7 3459 .is_time = 1,
3e260a46
JA		 3460 .category = FIO_OPT_C_IO,
3461 .group = FIO_OPT_G_LATPROF,
3462 },
3463 {
3464 .name = "latency_percentile",
3465 .lname = "Latency Percentile",
3466 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3467 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3468 .help = "Percentile of IOs must be below latency_target",
3469 .def = "100",
3470 .maxlen = 1,
3471 .minfp = 0.0,
3472 .maxfp = 100.0,
3473 .category = FIO_OPT_C_IO,
3474 .group = FIO_OPT_G_LATPROF,
15501535 3475 },
214e1eca
JA		 3476 {
3477 .name = "invalidate",
e8b0e958 3478 .lname = "Cache invalidate",
214e1eca 3479 .type = FIO_OPT_BOOL,
a609f12a 3480 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3481 .help = "Invalidate buffer/page cache prior to running job",
3482 .def = "1",
e8b0e958 3483 .category = FIO_OPT_C_IO,
3ceb458f 3484 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3485 },
3486 {
3487 .name = "sync",
e8b0e958 3488 .lname = "Synchronous I/O",
214e1eca 3489 .type = FIO_OPT_BOOL,
a609f12a 3490 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3491 .help = "Use O_SYNC for buffered writes",
3492 .def = "0",
67a1000f 3493 .parent = "buffered",
d71c154c 3494 .hide = 1,
e8b0e958 3495 .category = FIO_OPT_C_IO,
3ceb458f 3496 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3497 },
ae8e559e
JA		 3498#ifdef FIO_HAVE_WRITE_HINT
3499 {
3500 .name = "write_hint",
3501 .lname = "Write hint",
3502 .type = FIO_OPT_STR,
3503 .off1 = offsetof(struct thread_options, write_hint),
3504 .help = "Set expected write life time",
3505 .category = FIO_OPT_C_ENGINE,
3506 .group = FIO_OPT_G_INVALID,
3507 .posval = {
3508 { .ival = "none",
3509 .oval = RWH_WRITE_LIFE_NONE,
3510 },
3511 { .ival = "short",
3512 .oval = RWH_WRITE_LIFE_SHORT,
3513 },
3514 { .ival = "medium",
3515 .oval = RWH_WRITE_LIFE_MEDIUM,
3516 },
3517 { .ival = "long",
3518 .oval = RWH_WRITE_LIFE_LONG,
3519 },
3520 { .ival = "extreme",
3521 .oval = RWH_WRITE_LIFE_EXTREME,
3522 },
3523 },
3524 },
3525#endif
214e1eca
JA		 3526 {
3527 .name = "create_serialize",
e8b0e958 3528 .lname = "Create serialize",
214e1eca 3529 .type = FIO_OPT_BOOL,
a609f12a 3530 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3531 .help = "Serialize creation of job files",
214e1eca 3532 .def = "1",
e8b0e958
JA		 3533 .category = FIO_OPT_C_FILE,
3534 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3535 },
3536 {
3537 .name = "create_fsync",
e8b0e958 3538 .lname = "Create fsync",
214e1eca 3539 .type = FIO_OPT_BOOL,
a609f12a 3540 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3541 .help = "fsync file after creation",
214e1eca 3542 .def = "1",
e8b0e958
JA		 3543 .category = FIO_OPT_C_FILE,
3544 .group = FIO_OPT_G_INVALID,
214e1eca 3545 },
814452bd
JA		 3546 {
3547 .name = "create_on_open",
e8b0e958 3548 .lname = "Create on open",
814452bd 3549 .type = FIO_OPT_BOOL,
a609f12a 3550 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3551 .help = "Create files when they are opened for IO",
3552 .def = "0",
e8b0e958
JA		 3553 .category = FIO_OPT_C_FILE,
3554 .group = FIO_OPT_G_INVALID,
814452bd 3555 },
25460cf6
JA		 3556 {
3557 .name = "create_only",
cce2fdfe 3558 .lname = "Create Only",
25460cf6 3559 .type = FIO_OPT_BOOL,
a609f12a 3560 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3561 .help = "Only perform file creation phase",
d17fda71 3562 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3563 .def = "0",
3564 },
2378826d
JA		 3565 {
3566 .name = "allow_file_create",
e81ecca3 3567 .lname = "Allow file create",
2378826d 3568 .type = FIO_OPT_BOOL,
a609f12a 3569 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3570 .help = "Permit fio to create files, if they don't exist",
3571 .def = "1",
3572 .category = FIO_OPT_C_FILE,
3573 .group = FIO_OPT_G_FILENAME,
3574 },
e81ecca3
JA		 3575 {
3576 .name = "allow_mounted_write",
3577 .lname = "Allow mounted write",
3578 .type = FIO_OPT_BOOL,
a609f12a 3579 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3580 .help = "Allow writes to a mounted partition",
3581 .def = "0",
3582 .category = FIO_OPT_C_FILE,
3583 .group = FIO_OPT_G_FILENAME,
3584 },
0b9d69ec 3585 {
afad68f7 3586 .name = "pre_read",
e8b0e958 3587 .lname = "Pre-read files",
afad68f7 3588 .type = FIO_OPT_BOOL,
a609f12a 3589 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3590 .help = "Pre-read files before starting official testing",
afad68f7 3591 .def = "0",
e8b0e958
JA		 3592 .category = FIO_OPT_C_FILE,
3593 .group = FIO_OPT_G_INVALID,
afad68f7 3594 },
214e1eca
JA		 3595#ifdef FIO_HAVE_CPU_AFFINITY
3596 {
3597 .name = "cpumask",
e8b0e958 3598 .lname = "CPU mask",
214e1eca
JA		 3599 .type = FIO_OPT_INT,
3600 .cb = str_cpumask_cb,
a609f12a 3601 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3602 .help = "CPU affinity mask",
e8b0e958 3603 .category = FIO_OPT_C_GENERAL,
10860056 3604 .group = FIO_OPT_G_CRED,
214e1eca 3605 },
d2e268b0
JA		 3606 {
3607 .name = "cpus_allowed",
e8b0e958 3608 .lname = "CPUs allowed",
d2e268b0
JA		 3609 .type = FIO_OPT_STR,
3610 .cb = str_cpus_allowed_cb,
a609f12a 3611 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3612 .help = "Set CPUs allowed",
e8b0e958 3613 .category = FIO_OPT_C_GENERAL,
10860056 3614 .group = FIO_OPT_G_CRED,
d2e268b0 3615 },
c2acfbac
JA		 3616 {
3617 .name = "cpus_allowed_policy",
3618 .lname = "CPUs allowed distribution policy",
3619 .type = FIO_OPT_STR,
a609f12a 3620 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3621 .help = "Distribution policy for cpus_allowed",
3622 .parent = "cpus_allowed",
3623 .prio = 1,
3624 .posval = {
3625 { .ival = "shared",
3626 .oval = FIO_CPUS_SHARED,
3627 .help = "Mask shared between threads",
3628 },
3629 { .ival = "split",
3630 .oval = FIO_CPUS_SPLIT,
3631 .help = "Mask split between threads",
3632 },
3633 },
3634 .category = FIO_OPT_C_GENERAL,
3635 .group = FIO_OPT_G_CRED,
3636 },
a275c37a
JA		 3637#else
3638 {
3639 .name = "cpumask",
3640 .lname = "CPU mask",
3641 .type = FIO_OPT_UNSUPPORTED,
3642 .help = "Your platform does not support CPU affinities",
3643 },
3644 {
3645 .name = "cpus_allowed",
3646 .lname = "CPUs allowed",
3647 .type = FIO_OPT_UNSUPPORTED,
3648 .help = "Your platform does not support CPU affinities",
3649 },
3650 {
3651 .name = "cpus_allowed_policy",
3652 .lname = "CPUs allowed distribution policy",
3653 .type = FIO_OPT_UNSUPPORTED,
3654 .help = "Your platform does not support CPU affinities",
3655 },
d0b937ed 3656#endif
67bf9823 3657#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3658 {
3659 .name = "numa_cpu_nodes",
cce2fdfe 3660 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3661 .type = FIO_OPT_STR,
3662 .cb = str_numa_cpunodes_cb,
a609f12a 3663 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3664 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3665 .category = FIO_OPT_C_GENERAL,
3666 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3667 },
3668 {
3669 .name = "numa_mem_policy",
cce2fdfe 3670 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3671 .type = FIO_OPT_STR,
3672 .cb = str_numa_mpol_cb,
a609f12a 3673 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3674 .help = "NUMA memory policy setup",
6be54b2d
JA		 3675 .category = FIO_OPT_C_GENERAL,
3676 .group = FIO_OPT_G_INVALID,
d0b937ed 3677 },
a275c37a
JA		 3678#else
3679 {
3680 .name = "numa_cpu_nodes",
3681 .lname = "NUMA CPU Nodes",
3682 .type = FIO_OPT_UNSUPPORTED,
3683 .help = "Build fio with libnuma-dev(el) to enable this option",
3684 },
3685 {
3686 .name = "numa_mem_policy",
3687 .lname = "NUMA Memory Policy",
3688 .type = FIO_OPT_UNSUPPORTED,
3689 .help = "Build fio with libnuma-dev(el) to enable this option",
3690 },
03553853
YR		 3691#endif
3692#ifdef CONFIG_CUDA
3693 {
3694 .name = "gpu_dev_id",
3695 .lname = "GPU device ID",
3696 .type = FIO_OPT_INT,
3697 .off1 = offsetof(struct thread_options, gpu_dev_id),
3698 .help = "Set GPU device ID for GPUDirect RDMA",
3699 .def = "0",
3700 .category = FIO_OPT_C_GENERAL,
3701 .group = FIO_OPT_G_INVALID,
3702 },
214e1eca
JA		 3703#endif
3704 {
3705 .name = "end_fsync",
e8b0e958 3706 .lname = "End fsync",
214e1eca 3707 .type = FIO_OPT_BOOL,
a609f12a 3708 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3709 .help = "Include fsync at the end of job",
3710 .def = "0",
e8b0e958
JA		 3711 .category = FIO_OPT_C_FILE,
3712 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3713 },
3714 {
3715 .name = "fsync_on_close",
e8b0e958 3716 .lname = "Fsync on close",
214e1eca 3717 .type = FIO_OPT_BOOL,
a609f12a 3718 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3719 .help = "fsync files on close",
3720 .def = "0",
e8b0e958
JA		 3721 .category = FIO_OPT_C_FILE,
3722 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3723 },
3724 {
3725 .name = "unlink",
e8b0e958 3726 .lname = "Unlink file",
214e1eca 3727 .type = FIO_OPT_BOOL,
a609f12a 3728 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3729 .help = "Unlink created files after job has completed",
3730 .def = "0",
e8b0e958
JA		 3731 .category = FIO_OPT_C_FILE,
3732 .group = FIO_OPT_G_INVALID,
214e1eca 3733 },
39c1c323 3734 {
3735 .name = "unlink_each_loop",
3736 .lname = "Unlink file after each loop of a job",
3737 .type = FIO_OPT_BOOL,
a609f12a 3738 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3739 .help = "Unlink created files after each loop in a job has completed",
3740 .def = "0",
3741 .category = FIO_OPT_C_FILE,
3742 .group = FIO_OPT_G_INVALID,
3743 },
214e1eca
JA		 3744 {
3745 .name = "exitall",
e8b0e958 3746 .lname = "Exit-all on terminate",
214e1eca
JA		 3747 .type = FIO_OPT_STR_SET,
3748 .cb = str_exitall_cb,
3749 .help = "Terminate all jobs when one exits",
e8b0e958 3750 .category = FIO_OPT_C_GENERAL,
a1f6afec 3751 .group = FIO_OPT_G_PROCESS,
214e1eca 3752 },
f9cafb12
JA		 3753 {
3754 .name = "exitall_on_error",
3755 .lname = "Exit-all on terminate in error",
78abcf9b 3756 .type = FIO_OPT_STR_SET,
a609f12a 3757 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3758 .help = "Terminate all jobs when one exits in error",
3759 .category = FIO_OPT_C_GENERAL,
3760 .group = FIO_OPT_G_PROCESS,
3761 },
214e1eca
JA		 3762 {
3763 .name = "stonewall",
e8b0e958 3764 .lname = "Wait for previous",
d392365e 3765 .alias = "wait_for_previous",
214e1eca 3766 .type = FIO_OPT_STR_SET,
a609f12a 3767 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3768 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3769 .category = FIO_OPT_C_GENERAL,
a1f6afec 3770 .group = FIO_OPT_G_PROCESS,
214e1eca 3771 },
b3d62a75
JA		 3772 {
3773 .name = "new_group",
e8b0e958 3774 .lname = "New group",
b3d62a75 3775 .type = FIO_OPT_STR_SET,
a609f12a 3776 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3777 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3778 .category = FIO_OPT_C_GENERAL,
a1f6afec 3779 .group = FIO_OPT_G_PROCESS,
b3d62a75 3780 },
214e1eca
JA		 3781 {
3782 .name = "thread",
e8b0e958 3783 .lname = "Thread",
214e1eca 3784 .type = FIO_OPT_STR_SET,
a609f12a 3785 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3786 .help = "Use threads instead of processes",
c8931876
JA		 3787#ifdef CONFIG_NO_SHM
3788 .def = "1",
3789 .no_warn_def = 1,
3790#endif
e8b0e958 3791 .category = FIO_OPT_C_GENERAL,
a1f6afec 3792 .group = FIO_OPT_G_PROCESS,
214e1eca 3793 },
3a5db920
JA		 3794 {
3795 .name = "per_job_logs",
cce2fdfe 3796 .lname = "Per Job Logs",
3a5db920 3797 .type = FIO_OPT_BOOL,
a609f12a 3798 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3799 .help = "Include job number in generated log files or not",
3800 .def = "1",
3801 .category = FIO_OPT_C_LOG,
3802 .group = FIO_OPT_G_INVALID,
3803 },
214e1eca
JA		 3804 {
3805 .name = "write_bw_log",
e8b0e958 3806 .lname = "Write bandwidth log",
dded427c 3807 .type = FIO_OPT_STR,
a609f12a 3808 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3809 .cb = str_write_bw_log_cb,
214e1eca 3810 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3811 .category = FIO_OPT_C_LOG,
3812 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3813 },
3814 {
3815 .name = "write_lat_log",
e8b0e958 3816 .lname = "Write latency log",
dded427c 3817 .type = FIO_OPT_STR,
a609f12a 3818 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3819 .cb = str_write_lat_log_cb,
214e1eca 3820 .help = "Write log of latency during run",
e8b0e958
JA		 3821 .category = FIO_OPT_C_LOG,
3822 .group = FIO_OPT_G_INVALID,
214e1eca 3823 },
c8eeb9df
JA		 3824 {
3825 .name = "write_iops_log",
e8b0e958 3826 .lname = "Write IOPS log",
dded427c 3827 .type = FIO_OPT_STR,
a609f12a 3828 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3829 .cb = str_write_iops_log_cb,
c8eeb9df 3830 .help = "Write log of IOPS during run",
e8b0e958
JA		 3831 .category = FIO_OPT_C_LOG,
3832 .group = FIO_OPT_G_INVALID,
c8eeb9df 3833 },
b8bc8cba
JA		 3834 {
3835 .name = "log_avg_msec",
e8b0e958 3836 .lname = "Log averaging (msec)",
b8bc8cba 3837 .type = FIO_OPT_INT,
a609f12a 3838 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3839 .help = "Average bw/iops/lat logs over this period of time",
3840 .def = "0",
e8b0e958 3841 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3842 .group = FIO_OPT_G_INVALID,
3843 },
3844 {
3845 .name = "log_hist_msec",
3846 .lname = "Log histograms (msec)",
3847 .type = FIO_OPT_INT,
a609f12a 3848 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3849 .help = "Dump completion latency histograms at frequency of this time value",
3850 .def = "0",
3851 .category = FIO_OPT_C_LOG,
3852 .group = FIO_OPT_G_INVALID,
3853 },
3854 {
3855 .name = "log_hist_coarseness",
3856 .lname = "Histogram logs coarseness",
3857 .type = FIO_OPT_INT,
a609f12a 3858 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3859 .help = "Integer in range [0,6]. Higher coarseness outputs"
3860 " fewer histogram bins per sample. The number of bins for"
3861 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3862 .def = "0",
3863 .category = FIO_OPT_C_LOG,
3864 .group = FIO_OPT_G_INVALID,
3865 },
3866 {
3867 .name = "write_hist_log",
3868 .lname = "Write latency histogram logs",
dded427c 3869 .type = FIO_OPT_STR,
a609f12a 3870 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3871 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3872 .help = "Write log of latency histograms during run",
3873 .category = FIO_OPT_C_LOG,
e8b0e958 3874 .group = FIO_OPT_G_INVALID,
b8bc8cba 3875 },
e6989e10
JA		 3876 {
3877 .name = "log_max_value",
3878 .lname = "Log maximum instead of average",
3879 .type = FIO_OPT_BOOL,
a609f12a 3880 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3881 .help = "Log max sample in a window instead of average",
3882 .def = "0",
3883 .category = FIO_OPT_C_LOG,
3884 .group = FIO_OPT_G_INVALID,
3885 },
ae588852
JA		 3886 {
3887 .name = "log_offset",
3888 .lname = "Log offset of IO",
3889 .type = FIO_OPT_BOOL,
a609f12a 3890 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3891 .help = "Include offset of IO for each log entry",
3892 .def = "0",
3893 .category = FIO_OPT_C_LOG,
3894 .group = FIO_OPT_G_INVALID,
3895 },
aee2ab67
JA		 3896#ifdef CONFIG_ZLIB
3897 {
3898 .name = "log_compression",
3899 .lname = "Log compression",
3900 .type = FIO_OPT_INT,
a609f12a 3901 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3902 .help = "Log in compressed chunks of this size",
9919b27b 3903 .minval = 1024ULL,
aee2ab67
JA		 3904 .maxval = 512 * 1024 * 1024ULL,
3905 .category = FIO_OPT_C_LOG,
3906 .group = FIO_OPT_G_INVALID,
3907 },
c08f9fe2
JA		 3908#ifdef FIO_HAVE_CPU_AFFINITY
3909 {
3910 .name = "log_compression_cpus",
3911 .lname = "Log Compression CPUs",
3912 .type = FIO_OPT_STR,
3913 .cb = str_log_cpus_allowed_cb,
a609f12a 3914 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 3915 .parent = "log_compression",
3916 .help = "Limit log compression to these CPUs",
3917 .category = FIO_OPT_C_LOG,
3918 .group = FIO_OPT_G_INVALID,
3919 },
a275c37a
JA		 3920#else
3921 {
3922 .name = "log_compression_cpus",
3923 .lname = "Log Compression CPUs",
3924 .type = FIO_OPT_UNSUPPORTED,
3925 .help = "Your platform does not support CPU affinities",
3926 },
c08f9fe2 3927#endif
b26317c9
JA		 3928 {
3929 .name = "log_store_compressed",
3930 .lname = "Log store compressed",
3931 .type = FIO_OPT_BOOL,
a609f12a 3932 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 3933 .help = "Store logs in a compressed format",
3934 .category = FIO_OPT_C_LOG,
3935 .group = FIO_OPT_G_INVALID,
3936 },
a275c37a
JA		 3937#else
3938 {
3939 .name = "log_compression",
3940 .lname = "Log compression",
3941 .type = FIO_OPT_UNSUPPORTED,
3942 .help = "Install libz-dev(el) to get compression support",
3943 },
3944 {
3945 .name = "log_store_compressed",
3946 .lname = "Log store compressed",
3947 .type = FIO_OPT_UNSUPPORTED,
3948 .help = "Install libz-dev(el) to get compression support",
3949 },
aee2ab67 3950#endif
3aea75b1
KC		 3951 {
3952 .name = "log_unix_epoch",
3953 .lname = "Log epoch unix",
3954 .type = FIO_OPT_BOOL,
3955 .off1 = offsetof(struct thread_options, log_unix_epoch),
3956 .help = "Use Unix time in log files",
3957 .category = FIO_OPT_C_LOG,
3958 .group = FIO_OPT_G_INVALID,
3959 },
66347cfa
DE		 3960 {
3961 .name = "block_error_percentiles",
3962 .lname = "Block error percentiles",
3963 .type = FIO_OPT_BOOL,
a609f12a 3964 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 3965 .help = "Record trim block errors and make a histogram",
3966 .def = "0",
3967 .category = FIO_OPT_C_LOG,
3968 .group = FIO_OPT_G_INVALID,
3969 },
c504ee55
JA		 3970 {
3971 .name = "bwavgtime",
3972 .lname = "Bandwidth average time",
3973 .type = FIO_OPT_INT,
a609f12a 3974 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 3975 .help = "Time window over which to calculate bandwidth"
3976 " (msec)",
3977 .def = "500",
3978 .parent = "write_bw_log",
3979 .hide = 1,
3980 .interval = 100,
3981 .category = FIO_OPT_C_LOG,
3982 .group = FIO_OPT_G_INVALID,
3983 },
3984 {
3985 .name = "iopsavgtime",
3986 .lname = "IOPS average time",
3987 .type = FIO_OPT_INT,
a609f12a 3988 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 3989 .help = "Time window over which to calculate IOPS (msec)",
3990 .def = "500",
3991 .parent = "write_iops_log",
3992 .hide = 1,
3993 .interval = 100,
3994 .category = FIO_OPT_C_LOG,
3995 .group = FIO_OPT_G_INVALID,
3996 },
214e1eca
JA		 3997 {
3998 .name = "group_reporting",
e8b0e958 3999 .lname = "Group reporting",
d2507043 4000 .type = FIO_OPT_STR_SET,
a609f12a 4001 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 4002 .help = "Do reporting on a per-group basis",
10860056 4003 .category = FIO_OPT_C_STAT,
e8b0e958 4004 .group = FIO_OPT_G_INVALID,
214e1eca 4005 },
8243be59
JA		 4006 {
4007 .name = "stats",
4008 .lname = "Stats",
4009 .type = FIO_OPT_BOOL,
4010 .off1 = offsetof(struct thread_options, stats),
4011 .help = "Enable collection of stats",
4012 .def = "1",
4013 .category = FIO_OPT_C_STAT,
4014 .group = FIO_OPT_G_INVALID,
4015 },
e9459e5a
JA		 4016 {
4017 .name = "zero_buffers",
e8b0e958 4018 .lname = "Zero I/O buffers",
e9459e5a 4019 .type = FIO_OPT_STR_SET,
a609f12a 4020 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4021 .help = "Init IO buffers to all zeroes",
e8b0e958 4022 .category = FIO_OPT_C_IO,
3ceb458f 4023 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4024 },
5973cafb
JA		 4025 {
4026 .name = "refill_buffers",
e8b0e958 4027 .lname = "Refill I/O buffers",
5973cafb 4028 .type = FIO_OPT_STR_SET,
a609f12a 4029 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4030 .help = "Refill IO buffers on every IO submit",
e8b0e958 4031 .category = FIO_OPT_C_IO,
3ceb458f 4032 .group = FIO_OPT_G_IO_BUF,
5973cafb 4033 },
fd68418e
JA		 4034 {
4035 .name = "scramble_buffers",
e8b0e958 4036 .lname = "Scramble I/O buffers",
fd68418e 4037 .type = FIO_OPT_BOOL,
a609f12a 4038 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4039 .help = "Slightly scramble buffers on every IO submit",
4040 .def = "1",
e8b0e958 4041 .category = FIO_OPT_C_IO,
3ceb458f 4042 .group = FIO_OPT_G_IO_BUF,
fd68418e 4043 },
ce35b1ec
JA		 4044 {
4045 .name = "buffer_pattern",
4046 .lname = "Buffer pattern",
4047 .type = FIO_OPT_STR,
4048 .cb = str_buffer_pattern_cb,
a609f12a 4049 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4050 .help = "Fill pattern for IO buffers",
4051 .category = FIO_OPT_C_IO,
4052 .group = FIO_OPT_G_IO_BUF,
4053 },
9c42684e
JA		 4054 {
4055 .name = "buffer_compress_percentage",
e8b0e958 4056 .lname = "Buffer compression percentage",
9c42684e 4057 .type = FIO_OPT_INT,
bedc9dc2 4058 .cb = str_buffer_compress_cb,
a609f12a 4059 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4060 .maxval = 100,
e7f5de90 4061 .minval = 0,
9c42684e 4062 .help = "How compressible the buffer is (approximately)",
20eb06bd 4063 .interval = 5,
e8b0e958 4064 .category = FIO_OPT_C_IO,
3ceb458f 4065 .group = FIO_OPT_G_IO_BUF,
9c42684e 4066 },
f97a43a1
JA		 4067 {
4068 .name = "buffer_compress_chunk",
e8b0e958 4069 .lname = "Buffer compression chunk size",
f97a43a1 4070 .type = FIO_OPT_INT,
a609f12a 4071 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4072 .parent = "buffer_compress_percentage",
d71c154c 4073 .hide = 1,
f97a43a1 4074 .help = "Size of compressible region in buffer",
1de80624 4075 .def = "512",
20eb06bd 4076 .interval = 256,
e8b0e958 4077 .category = FIO_OPT_C_IO,
3ceb458f 4078 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4079 },
5c94b008
JA		 4080 {
4081 .name = "dedupe_percentage",
4082 .lname = "Dedupe percentage",
4083 .type = FIO_OPT_INT,
4084 .cb = str_dedupe_cb,
a609f12a 4085 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4086 .maxval = 100,
4087 .minval = 0,
4088 .help = "Percentage of buffers that are dedupable",
4089 .interval = 1,
4090 .category = FIO_OPT_C_IO,
4091 .group = FIO_OPT_G_IO_BUF,
4092 },
83349190
YH		 4093 {
4094 .name = "clat_percentiles",
e8b0e958 4095 .lname = "Completion latency percentiles",
83349190 4096 .type = FIO_OPT_BOOL,
a609f12a 4097 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4098 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4099 .def = "1",
b599759b
JA		 4100 .inverse = "lat_percentiles",
4101 .category = FIO_OPT_C_STAT,
4102 .group = FIO_OPT_G_INVALID,
4103 },
4104 {
4105 .name = "lat_percentiles",
4106 .lname = "IO latency percentiles",
4107 .type = FIO_OPT_BOOL,
4108 .off1 = offsetof(struct thread_options, lat_percentiles),
4109 .help = "Enable the reporting of IO latency percentiles",
4110 .def = "0",
4111 .inverse = "clat_percentiles",
e8b0e958
JA		 4112 .category = FIO_OPT_C_STAT,
4113 .group = FIO_OPT_G_INVALID,
83349190
YH		 4114 },
4115 {
4116 .name = "percentile_list",
66347cfa 4117 .lname = "Percentile list",
83349190 4118 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4119 .off1 = offsetof(struct thread_options, percentile_list),
4120 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4121 .help = "Specify a custom list of percentiles to report for "
4122 "completion latency and block errors",
fd112d34 4123 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4124 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4125 .minfp = 0.0,
4126 .maxfp = 100.0,
e8b0e958
JA		 4127 .category = FIO_OPT_C_STAT,
4128 .group = FIO_OPT_G_INVALID,
e883cb35
JF		 4129 },
4130 {
4131 .name = "significant_figures",
4132 .lname = "Significant figures",
4133 .type = FIO_OPT_INT,
4134 .off1 = offsetof(struct thread_options, sig_figs),
4135 .maxval = 10,
4136 .minval = 1,
4137 .help = "Significant figures for output-format set to normal",
4138 .def = "4",
4139 .interval = 1,
4140 .category = FIO_OPT_C_STAT,
4141 .group = FIO_OPT_G_INVALID,
83349190
YH		 4142 },
4143
0a839f30
JA		 4144#ifdef FIO_HAVE_DISK_UTIL
4145 {
4146 .name = "disk_util",
e8b0e958 4147 .lname = "Disk utilization",
0a839f30 4148 .type = FIO_OPT_BOOL,
a609f12a 4149 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4150 .help = "Log disk utilization statistics",
0a839f30 4151 .def = "1",
e8b0e958
JA		 4152 .category = FIO_OPT_C_STAT,
4153 .group = FIO_OPT_G_INVALID,
0a839f30 4154 },
a275c37a
JA		 4155#else
4156 {
4157 .name = "disk_util",
4158 .lname = "Disk utilization",
4159 .type = FIO_OPT_UNSUPPORTED,
4160 .help = "Your platform does not support disk utilization",
4161 },
0a839f30 4162#endif
993bf48b
JA		 4163 {
4164 .name = "gtod_reduce",
e8b0e958 4165 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4166 .type = FIO_OPT_BOOL,
4167 .help = "Greatly reduce number of gettimeofday() calls",
4168 .cb = str_gtod_reduce_cb,
4169 .def = "0",
a4ed77fe 4170 .hide_on_set = 1,
e8b0e958
JA		 4171 .category = FIO_OPT_C_STAT,
4172 .group = FIO_OPT_G_INVALID,
993bf48b 4173 },
02af0988
JA		 4174 {
4175 .name = "disable_lat",
e8b0e958 4176 .lname = "Disable all latency stats",
02af0988 4177 .type = FIO_OPT_BOOL,
a609f12a 4178 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4179 .help = "Disable latency numbers",
4180 .parent = "gtod_reduce",
d71c154c 4181 .hide = 1,
02af0988 4182 .def = "0",
e8b0e958
JA		 4183 .category = FIO_OPT_C_STAT,
4184 .group = FIO_OPT_G_INVALID,
02af0988 4185 },
9520ebb9
JA		 4186 {
4187 .name = "disable_clat",
e8b0e958 4188 .lname = "Disable completion latency stats",
9520ebb9 4189 .type = FIO_OPT_BOOL,
a609f12a 4190 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4191 .help = "Disable completion latency numbers",
993bf48b 4192 .parent = "gtod_reduce",
d71c154c 4193 .hide = 1,
9520ebb9 4194 .def = "0",
e8b0e958
JA		 4195 .category = FIO_OPT_C_STAT,
4196 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4197 },
4198 {
4199 .name = "disable_slat",
e8b0e958 4200 .lname = "Disable submission latency stats",
9520ebb9 4201 .type = FIO_OPT_BOOL,
a609f12a 4202 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4203 .help = "Disable submission latency numbers",
993bf48b 4204 .parent = "gtod_reduce",
d71c154c 4205 .hide = 1,
9520ebb9 4206 .def = "0",
e8b0e958
JA		 4207 .category = FIO_OPT_C_STAT,
4208 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4209 },
4210 {
4211 .name = "disable_bw_measurement",
afd2ceff 4212 .alias = "disable_bw",
e8b0e958 4213 .lname = "Disable bandwidth stats",
9520ebb9 4214 .type = FIO_OPT_BOOL,
a609f12a 4215 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4216 .help = "Disable bandwidth logging",
993bf48b 4217 .parent = "gtod_reduce",
d71c154c 4218 .hide = 1,
9520ebb9 4219 .def = "0",
e8b0e958
JA		 4220 .category = FIO_OPT_C_STAT,
4221 .group = FIO_OPT_G_INVALID,
9520ebb9 4222 },
be4ecfdf
JA		 4223 {
4224 .name = "gtod_cpu",
e8b0e958 4225 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4226 .type = FIO_OPT_INT,
a609f12a 4227 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4228 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4229 .verify = gtod_cpu_verify,
e8b0e958 4230 .category = FIO_OPT_C_GENERAL,
10860056 4231 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4232 },
771e58be
JA		 4233 {
4234 .name = "unified_rw_reporting",
cce2fdfe 4235 .lname = "Unified RW Reporting",
771e58be 4236 .type = FIO_OPT_BOOL,
a609f12a 4237 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4238 .help = "Unify reporting across data direction",
4239 .def = "0",
90b7a96d
JA		 4240 .category = FIO_OPT_C_GENERAL,
4241 .group = FIO_OPT_G_INVALID,
771e58be 4242 },
f2bba182
RR		 4243 {
4244 .name = "continue_on_error",
e8b0e958 4245 .lname = "Continue on error",
06842027 4246 .type = FIO_OPT_STR,
a609f12a 4247 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4248 .help = "Continue on non-fatal errors during IO",
06842027 4249 .def = "none",
e8b0e958 4250 .category = FIO_OPT_C_GENERAL,
bc3f552f 4251 .group = FIO_OPT_G_ERR,
06842027
SL		 4252 .posval = {
4253 { .ival = "none",
4254 .oval = ERROR_TYPE_NONE,
4255 .help = "Exit when an error is encountered",
4256 },
4257 { .ival = "read",
4258 .oval = ERROR_TYPE_READ,
4259 .help = "Continue on read errors only",
4260 },
4261 { .ival = "write",
4262 .oval = ERROR_TYPE_WRITE,
4263 .help = "Continue on write errors only",
4264 },
4265 { .ival = "io",
4266 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4267 .help = "Continue on any IO errors",
4268 },
4269 { .ival = "verify",
4270 .oval = ERROR_TYPE_VERIFY,
4271 .help = "Continue on verify errors only",
4272 },
4273 { .ival = "all",
4274 .oval = ERROR_TYPE_ANY,
4275 .help = "Continue on all io and verify errors",
4276 },
4277 { .ival = "0",
4278 .oval = ERROR_TYPE_NONE,
4279 .help = "Alias for 'none'",
4280 },
4281 { .ival = "1",
4282 .oval = ERROR_TYPE_ANY,
4283 .help = "Alias for 'all'",
4284 },
4285 },
f2bba182 4286 },
8b28bd41
DM		 4287 {
4288 .name = "ignore_error",
cce2fdfe 4289 .lname = "Ignore Error",
8b28bd41
DM		 4290 .type = FIO_OPT_STR,
4291 .cb = str_ignore_error_cb,
a609f12a 4292 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4293 .help = "Set a specific list of errors to ignore",
4294 .parent = "rw",
a94eb99a 4295 .category = FIO_OPT_C_GENERAL,
bc3f552f 4296 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4297 },
4298 {
4299 .name = "error_dump",
cce2fdfe 4300 .lname = "Error Dump",
8b28bd41 4301 .type = FIO_OPT_BOOL,
a609f12a 4302 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4303 .def = "0",
4304 .help = "Dump info on each error",
a94eb99a 4305 .category = FIO_OPT_C_GENERAL,
bc3f552f 4306 .group = FIO_OPT_G_ERR,
8b28bd41 4307 },
9ac8a797
JA		 4308 {
4309 .name = "profile",
e8b0e958 4310 .lname = "Profile",
79d16311 4311 .type = FIO_OPT_STR_STORE,
a609f12a 4312 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4313 .help = "Select a specific builtin performance test",
13fca827 4314 .category = FIO_OPT_C_PROFILE,
e8b0e958 4315 .group = FIO_OPT_G_INVALID,
9ac8a797 4316 },
a696fa2a
JA		 4317 {
4318 .name = "cgroup",
e8b0e958 4319 .lname = "Cgroup",
a696fa2a 4320 .type = FIO_OPT_STR_STORE,
a609f12a 4321 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4322 .help = "Add job to cgroup of this name",
e8b0e958 4323 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4324 .group = FIO_OPT_G_CGROUP,
4325 },
4326 {
4327 .name = "cgroup_nodelete",
4328 .lname = "Cgroup no-delete",
4329 .type = FIO_OPT_BOOL,
a609f12a 4330 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4331 .help = "Do not delete cgroups after job completion",
4332 .def = "0",
4333 .parent = "cgroup",
4334 .category = FIO_OPT_C_GENERAL,
4335 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4336 },
4337 {
4338 .name = "cgroup_weight",
e8b0e958 4339 .lname = "Cgroup weight",
a696fa2a 4340 .type = FIO_OPT_INT,
a609f12a 4341 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4342 .help = "Use given weight for cgroup",
4343 .minval = 100,
4344 .maxval = 1000,
a1f6afec 4345 .parent = "cgroup",
e8b0e958 4346 .category = FIO_OPT_C_GENERAL,
a1f6afec 4347 .group = FIO_OPT_G_CGROUP,
7de87099 4348 },
e0b0d892
JA		 4349 {
4350 .name = "uid",
e8b0e958 4351 .lname = "User ID",
e0b0d892 4352 .type = FIO_OPT_INT,
a609f12a 4353 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4354 .help = "Run job with this user ID",
e8b0e958 4355 .category = FIO_OPT_C_GENERAL,
10860056 4356 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4357 },
4358 {
4359 .name = "gid",
e8b0e958 4360 .lname = "Group ID",
e0b0d892 4361 .type = FIO_OPT_INT,
a609f12a 4362 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4363 .help = "Run job with this group ID",
e8b0e958 4364 .category = FIO_OPT_C_GENERAL,
10860056 4365 .group = FIO_OPT_G_CRED,
e0b0d892 4366 },
a1f6afec
JA		 4367 {
4368 .name = "kb_base",
4369 .lname = "KB Base",
4370 .type = FIO_OPT_INT,
a609f12a 4371 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4372 .prio = 1,
4373 .def = "1024",
ba9c7219
JA		 4374 .posval = {
4375 { .ival = "1024",
4376 .oval = 1024,
d694a6a7 4377 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4378 },
4379 { .ival = "1000",
4380 .oval = 1000,
d694a6a7 4381 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4382 },
4383 },
d694a6a7 4384 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4385 .category = FIO_OPT_C_GENERAL,
4386 .group = FIO_OPT_G_INVALID,
4387 },
cf3a0518
JA		 4388 {
4389 .name = "unit_base",
d694a6a7 4390 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4391 .type = FIO_OPT_INT,
a609f12a 4392 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4393 .prio = 1,
71a08258
JA		 4394 .posval = {
4395 { .ival = "0",
4396 .oval = 0,
4397 .help = "Auto-detect",
4398 },
4399 { .ival = "8",
4400 .oval = 8,
4401 .help = "Normal (byte based)",
4402 },
4403 { .ival = "1",
4404 .oval = 1,
4405 .help = "Bit based",
4406 },
4407 },
cf3a0518
JA		 4408 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4409 .category = FIO_OPT_C_GENERAL,
4410 .group = FIO_OPT_G_INVALID,
4411 },
3ceb458f
JA		 4412 {
4413 .name = "hugepage-size",
4414 .lname = "Hugepage size",
4415 .type = FIO_OPT_INT,
a609f12a 4416 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4417 .help = "When using hugepages, specify size of each page",
4418 .def = __fio_stringify(FIO_HUGE_PAGE),
4419 .interval = 1024 * 1024,
4420 .category = FIO_OPT_C_GENERAL,
4421 .group = FIO_OPT_G_INVALID,
4422 },
9e684a49
DE		 4423 {
4424 .name = "flow_id",
e8b0e958 4425 .lname = "I/O flow ID",
9e684a49 4426 .type = FIO_OPT_INT,
a609f12a 4427 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4428 .help = "The flow index ID to use",
4429 .def = "0",
e8b0e958
JA		 4430 .category = FIO_OPT_C_IO,
4431 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4432 },
4433 {
4434 .name = "flow",
e8b0e958 4435 .lname = "I/O flow weight",
9e684a49 4436 .type = FIO_OPT_INT,
a609f12a 4437 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4438 .help = "Weight for flow control of this job",
4439 .parent = "flow_id",
d71c154c 4440 .hide = 1,
9e684a49 4441 .def = "0",
e8b0e958
JA		 4442 .category = FIO_OPT_C_IO,
4443 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4444 },
4445 {
4446 .name = "flow_watermark",
e8b0e958 4447 .lname = "I/O flow watermark",
9e684a49 4448 .type = FIO_OPT_INT,
a609f12a 4449 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4450 .help = "High watermark for flow control. This option"
4451 " should be set to the same value for all threads"
4452 " with non-zero flow.",
4453 .parent = "flow_id",
d71c154c 4454 .hide = 1,
9e684a49 4455 .def = "1024",
e8b0e958
JA		 4456 .category = FIO_OPT_C_IO,
4457 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4458 },
4459 {
4460 .name = "flow_sleep",
e8b0e958 4461 .lname = "I/O flow sleep",
9e684a49 4462 .type = FIO_OPT_INT,
a609f12a 4463 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4464 .help = "How many microseconds to sleep after being held"
4465 " back by the flow control mechanism",
4466 .parent = "flow_id",
d71c154c 4467 .hide = 1,
9e684a49 4468 .def = "0",
e8b0e958
JA		 4469 .category = FIO_OPT_C_IO,
4470 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4471 },
16e56d25
VF		 4472 {
4473 .name = "steadystate",
4474 .lname = "Steady state threshold",
4475 .alias = "ss",
4476 .type = FIO_OPT_STR,
2c5d94bc 4477 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4478 .cb = str_steadystate_cb,
4479 .help = "Define the criterion and limit to judge when a job has reached steady state",
4480 .def = "iops_slope:0.01%",
4481 .posval = {
4482 { .ival = "iops",
f0c50c66 4483 .oval = FIO_SS_IOPS,
16e56d25
VF		 4484 .help = "maximum mean deviation of IOPS measurements",
4485 },
4486 { .ival = "iops_slope",
f0c50c66 4487 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4488 .help = "slope calculated from IOPS measurements",
4489 },
4490 { .ival = "bw",
f0c50c66 4491 .oval = FIO_SS_BW,
16e56d25
VF		 4492 .help = "maximum mean deviation of bandwidth measurements",
4493 },
4494 {
4495 .ival = "bw_slope",
f0c50c66 4496 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4497 .help = "slope calculated from bandwidth measurements",
4498 },
4499 },
4500 .category = FIO_OPT_C_GENERAL,
4501 .group = FIO_OPT_G_RUNTIME,
4502 },
4503 {
4504 .name = "steadystate_duration",
4505 .lname = "Steady state duration",
4506 .alias = "ss_dur",
915ca980 4507 .parent = "steadystate",
16e56d25
VF		 4508 .type = FIO_OPT_STR_VAL_TIME,
4509 .off1 = offsetof(struct thread_options, ss_dur),
4510 .help = "Stop workload upon attaining steady state for specified duration",
4511 .def = "0",
4512 .is_seconds = 1,
4513 .is_time = 1,
4514 .category = FIO_OPT_C_GENERAL,
4515 .group = FIO_OPT_G_RUNTIME,
4516 },
4517 {
4518 .name = "steadystate_ramp_time",
4519 .lname = "Steady state ramp time",
4520 .alias = "ss_ramp",
915ca980 4521 .parent = "steadystate",
16e56d25
VF		 4522 .type = FIO_OPT_STR_VAL_TIME,
4523 .off1 = offsetof(struct thread_options, ss_ramp_time),
4524 .help = "Delay before initiation of data collection for steady state job termination testing",
4525 .def = "0",
4526 .is_seconds = 1,
4527 .is_time = 1,
4528 .category = FIO_OPT_C_GENERAL,
4529 .group = FIO_OPT_G_RUNTIME,
4530 },
214e1eca
JA		 4531 {
4532 .name = NULL,
4533 },
4534};
4535
17af15d4 4536static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4537 const char *name, int val)
9f81736c 4538{
17af15d4 4539 lopt->name = (char *) name;
de890a1e 4540 lopt->val = val;
9f81736c 4541 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4542 lopt->has_arg = optional_argument;
9f81736c
JA		 4543 else
4544 lopt->has_arg = required_argument;
4545}
4546
de890a1e
SL		 4547static void options_to_lopts(struct fio_option *opts,
4548 struct option *long_options,
4549 int i, int option_type)
214e1eca 4550{
de890a1e 4551 struct fio_option *o = &opts[0];
214e1eca 4552 while (o->name) {
de890a1e 4553 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4554 if (o->alias) {
4555 i++;
de890a1e 4556 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4557 }
214e1eca
JA		 4558
4559 i++;
4560 o++;
4561 assert(i < FIO_NR_OPTIONS);
4562 }
4563}
4564
de890a1e
SL		 4565void fio_options_set_ioengine_opts(struct option *long_options,
4566 struct thread_data *td)
4567{
4568 unsigned int i;
4569
4570 i = 0;
4571 while (long_options[i].name) {
4572 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4573 memset(&long_options[i], 0, sizeof(*long_options));
4574 break;
4575 }
4576 i++;
4577 }
4578
4579 /*
4580 * Just clear out the prior ioengine options.
4581 */
4582 if (!td || !td->eo)
4583 return;
4584
4585 options_to_lopts(td->io_ops->options, long_options, i,
4586 FIO_GETOPT_IOENGINE);
4587}
4588
4589void fio_options_dup_and_init(struct option *long_options)
4590{
4591 unsigned int i;
4592
9af4a244 4593 options_init(fio_options);
de890a1e
SL		 4594
4595 i = 0;
4596 while (long_options[i].name)
4597 i++;
4598
9af4a244 4599 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4600}
4601
74929ac2
JA		 4602struct fio_keyword {
4603 const char *word;
4604 const char *desc;
4605 char *replace;
4606};
4607
4608static struct fio_keyword fio_keywords[] = {
4609 {
4610 .word = "$pagesize",
4611 .desc = "Page size in the system",
4612 },
4613 {
4614 .word = "$mb_memory",
4615 .desc = "Megabytes of memory online",
4616 },
4617 {
4618 .word = "$ncpus",
4619 .desc = "Number of CPUs online in the system",
4620 },
4621 {
4622 .word = NULL,
4623 },
4624};
4625
af1dc266
JA		 4626void fio_keywords_exit(void)
4627{
4628 struct fio_keyword *kw;
4629
4630 kw = &fio_keywords[0];
4631 while (kw->word) {
4632 free(kw->replace);
4633 kw->replace = NULL;
4634 kw++;
4635 }
4636}
4637
74929ac2
JA		 4638void fio_keywords_init(void)
4639{
3b2e1464 4640 unsigned long long mb_memory;
74929ac2
JA		 4641 char buf[128];
4642 long l;
4643
a4cfc477 4644 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4645 fio_keywords[0].replace = strdup(buf);
4646
8eb016d3 4647 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4648 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4649 fio_keywords[1].replace = strdup(buf);
4650
c00a2289 4651 l = cpus_online();
74929ac2
JA		 4652 sprintf(buf, "%lu", l);
4653 fio_keywords[2].replace = strdup(buf);
4654}
4655
892a6ffc
JA		 4656#define BC_APP "bc"
4657
4658static char *bc_calc(char *str)
4659{
d0c814ec 4660 char buf[128], *tmp;
892a6ffc
JA		 4661 FILE *f;
4662 int ret;
4663
4664 /*
4665 * No math, just return string
4666 */
d0c814ec
SL		 4667 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4668 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4669 return str;
4670
4671 /*
4672 * Split option from value, we only need to calculate the value
4673 */
4674 tmp = strchr(str, '=');
4675 if (!tmp)
4676 return str;
4677
4678 tmp++;
892a6ffc 4679
d0c814ec
SL		 4680 /*
4681 * Prevent buffer overflows; such a case isn't reasonable anyway
4682 */
4683 if (strlen(str) >= 128 || strlen(tmp) > 100)
4684 return str;
892a6ffc
JA		 4685
4686 sprintf(buf, "which %s > /dev/null", BC_APP);
4687 if (system(buf)) {
4688 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4689 return NULL;
4690 }
4691
d0c814ec 4692 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4693 f = popen(buf, "r");
3c3ed070 4694 if (!f)
892a6ffc 4695 return NULL;
892a6ffc 4696
d0c814ec 4697 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4698 if (ret <= 0) {
4699 pclose(f);
892a6ffc 4700 return NULL;
1d824f37 4701 }
892a6ffc 4702
892a6ffc 4703 pclose(f);
d0c814ec
SL		 4704 buf[(tmp - str) + ret - 1] = '\0';
4705 memcpy(buf, str, tmp - str);
892a6ffc 4706 free(str);
d0c814ec
SL		 4707 return strdup(buf);
4708}
4709
4710/*
4711 * Return a copy of the input string with substrings of the form ${VARNAME}
4712 * substituted with the value of the environment variable VARNAME. The
4713 * substitution always occurs, even if VARNAME is empty or the corresponding
4714 * environment variable undefined.
4715 */
4716static char *option_dup_subs(const char *opt)
4717{
4718 char out[OPT_LEN_MAX+1];
4719 char in[OPT_LEN_MAX+1];
4720 char *outptr = out;
4721 char *inptr = in;
4722 char *ch1, *ch2, *env;
4723 ssize_t nchr = OPT_LEN_MAX;
4724 size_t envlen;
4725
4726 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4727 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4728 return NULL;
4729 }
4730
4731 in[OPT_LEN_MAX] = '\0';
4732 strncpy(in, opt, OPT_LEN_MAX);
4733
4734 while (*inptr && nchr > 0) {
4735 if (inptr[0] == '$' && inptr[1] == '{') {
4736 ch2 = strchr(inptr, '}');
4737 if (ch2 && inptr+1 < ch2) {
4738 ch1 = inptr+2;
4739 inptr = ch2+1;
4740 *ch2 = '\0';
4741
4742 env = getenv(ch1);
4743 if (env) {
4744 envlen = strlen(env);
4745 if (envlen <= nchr) {
4746 memcpy(outptr, env, envlen);
4747 outptr += envlen;
4748 nchr -= envlen;
4749 }
4750 }
4751
4752 continue;
4753 }
4754 }
4755
4756 *outptr++ = *inptr++;
4757 --nchr;
4758 }
4759
4760 *outptr = '\0';
4761 return strdup(out);
892a6ffc
JA		 4762}
4763
74929ac2
JA		 4764/*
4765 * Look for reserved variable names and replace them with real values
4766 */
4767static char *fio_keyword_replace(char *opt)
4768{
4769 char *s;
4770 int i;
d0c814ec 4771 int docalc = 0;
74929ac2
JA		 4772
4773 for (i = 0; fio_keywords[i].word != NULL; i++) {
4774 struct fio_keyword *kw = &fio_keywords[i];
4775
4776 while ((s = strstr(opt, kw->word)) != NULL) {
4777 char *new = malloc(strlen(opt) + 1);
4778 char *o_org = opt;
4779 int olen = s - opt;
4780 int len;
4781
4782 /*
4783 * Copy part of the string before the keyword and
4784 * sprintf() the replacement after it.
4785 */
4786 memcpy(new, opt, olen);
4787 len = sprintf(new + olen, "%s", kw->replace);
4788
4789 /*
4790 * If there's more in the original string, copy that
4791 * in too
4792 */
4793 opt += strlen(kw->word) + olen;
4794 if (strlen(opt))
4795 memcpy(new + olen + len, opt, opt - o_org - 1);
4796
4797 /*
4798 * replace opt and free the old opt
4799 */
4800 opt = new;
d0c814ec 4801 free(o_org);
7a958bd5 4802
d0c814ec 4803 docalc = 1;
74929ac2
JA		 4804 }
4805 }
4806
d0c814ec
SL		 4807 /*
4808 * Check for potential math and invoke bc, if possible
4809 */
4810 if (docalc)
4811 opt = bc_calc(opt);
4812
7a958bd5 4813 return opt;
74929ac2
JA		 4814}
4815
d0c814ec
SL		 4816static char **dup_and_sub_options(char **opts, int num_opts)
4817{
4818 int i;
4819 char **opts_copy = malloc(num_opts * sizeof(*opts));
4820 for (i = 0; i < num_opts; i++) {
4821 opts_copy[i] = option_dup_subs(opts[i]);
4822 if (!opts_copy[i])
4823 continue;
4824 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4825 }
4826 return opts_copy;
4827}
4828
e15b023b 4829static void show_closest_option(const char *opt)
a2d027b9
JA		 4830{
4831 int best_option, best_distance;
4832 int i, distance;
e15b023b
JA		 4833 char *name;
4834
4835 if (!strlen(opt))
4836 return;
4837
4838 name = strdup(opt);
4839 i = 0;
4840 while (name[i] != '\0' && name[i] != '=')
4841 i++;
4842 name[i] = '\0';
a2d027b9
JA		 4843
4844 best_option = -1;
4845 best_distance = INT_MAX;
4846 i = 0;
4847 while (fio_options[i].name) {
4848 distance = string_distance(name, fio_options[i].name);
4849 if (distance < best_distance) {
4850 best_distance = distance;
4851 best_option = i;
4852 }
4853 i++;
4854 }
4855
75e6bcba
JA		 4856 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4857 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4858 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4859
4860 free(name);
a2d027b9
JA		 4861}
4862
c2292325 4863int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4864{
de890a1e 4865 int i, ret, unknown;
d0c814ec 4866 char **opts_copy;
3b8b7135 4867
9af4a244 4868 sort_options(opts, fio_options, num_opts);
d0c814ec 4869 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4870
de890a1e
SL		 4871 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4872 struct fio_option *o;
9af4a244 4873 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4874 &o, &td->o, &td->opt_list);
d0c814ec 4875
a8523a6a
JA		 4876 if (!newret && o)
4877 fio_option_mark_set(&td->o, o);
4878
de890a1e
SL		 4879 if (opts_copy[i]) {
4880 if (newret && !o) {
4881 unknown++;
4882 continue;
4883 }
d0c814ec 4884 free(opts_copy[i]);
de890a1e
SL		 4885 opts_copy[i] = NULL;
4886 }
4887
4888 ret |= newret;
4889 }
4890
4891 if (unknown) {
4892 ret |= ioengine_load(td);
4893 if (td->eo) {
4894 sort_options(opts_copy, td->io_ops->options, num_opts);
4895 opts = opts_copy;
4896 }
4897 for (i = 0; i < num_opts; i++) {
4898 struct fio_option *o = NULL;
4899 int newret = 1;
a2d027b9 4900
de890a1e
SL		 4901 if (!opts_copy[i])
4902 continue;
4903
4904 if (td->eo)
4905 newret = parse_option(opts_copy[i], opts[i],
4906 td->io_ops->options, &o,
66e19a38 4907 td->eo, &td->opt_list);
de890a1e
SL		 4908
4909 ret |= newret;
a2d027b9 4910 if (!o) {
de890a1e 4911 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4912 show_closest_option(opts[i]);
4913 }
de890a1e
SL		 4914 free(opts_copy[i]);
4915 opts_copy[i] = NULL;
4916 }
74929ac2 4917 }
3b8b7135 4918
d0c814ec 4919 free(opts_copy);
3b8b7135 4920 return ret;
214e1eca
JA		 4921}
4922
4923int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4924{
a8523a6a
JA		 4925 int ret;
4926
a609f12a 4927 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a
JA		 4928 if (!ret) {
4929 struct fio_option *o;
4930
4931 o = find_option(fio_options, opt);
4932 if (o)
4933 fio_option_mark_set(&td->o, o);
4934 }
4935
4936 return ret;
214e1eca
JA		 4937}
4938
de890a1e
SL		 4939int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4940 char *val)
4941{
d8b4f395
JA		 4942 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4943 &td->opt_list);
de890a1e
SL		 4944}
4945
214e1eca
JA		 4946void fio_fill_default_options(struct thread_data *td)
4947{
cb1402d6 4948 td->o.magic = OPT_MAGIC;
a609f12a 4949 fill_default_options(&td->o, fio_options);
214e1eca
JA		 4950}
4951
4952int fio_show_option_help(const char *opt)
4953{
9af4a244 4954 return show_cmd_help(fio_options, opt);
214e1eca 4955}
d23bb327 4956
de890a1e
SL		 4957/*
4958 * dupe FIO_OPT_STR_STORE options
4959 */
4960void fio_options_mem_dupe(struct thread_data *td)
4961{
53b5693d 4962 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 4963
4964 if (td->eo && td->io_ops) {
de890a1e 4965 void *oldeo = td->eo;
1647f592 4966
de890a1e
SL		 4967 td->eo = malloc(td->io_ops->option_struct_size);
4968 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 4969 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 4970 }
4971}
4972
d6978a32
JA		 4973unsigned int fio_get_kb_base(void *data)
4974{
a609f12a
JA		 4975 struct thread_data *td = cb_data_to_td(data);
4976 struct thread_options *o = &td->o;
d6978a32
JA		 4977 unsigned int kb_base = 0;
4978
cb1402d6
JA		 4979 /*
4980 * This is a hack... For private options, *data is not holding
4981 * a pointer to the thread_options, but to private data. This means
4982 * we can't safely dereference it, but magic is first so mem wise
4983 * it is valid. But this also means that if the job first sets
4984 * kb_base and expects that to be honored by private options,
4985 * it will be disappointed. We will return the global default
4986 * for this.
4987 */
4988 if (o && o->magic == OPT_MAGIC)
83ea422a 4989 kb_base = o->kb_base;
d6978a32
JA		 4990 if (!kb_base)
4991 kb_base = 1024;
4992
4993 return kb_base;
4994}
9f988e2e 4995
07b3232d 4996int add_option(struct fio_option *o)
9f988e2e 4997{
07b3232d
JA		 4998 struct fio_option *__o;
4999 int opt_index = 0;
5000
9af4a244 5001 __o = fio_options;
07b3232d
JA		 5002 while (__o->name) {
5003 opt_index++;
5004 __o++;
5005 }
5006
7b504edd
JA		 5007 if (opt_index + 1 == FIO_MAX_OPTS) {
5008 log_err("fio: FIO_MAX_OPTS is too small\n");
5009 return 1;
5010 }
5011
9af4a244 5012 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 5013 fio_options[opt_index + 1].name = NULL;
07b3232d 5014 return 0;
9f988e2e 5015}
e2de69da 5016
07b3232d 5017void invalidate_profile_options(const char *prof_name)
e2de69da 5018{
07b3232d 5019 struct fio_option *o;
e2de69da 5020
9af4a244 5021 o = fio_options;
07b3232d
JA		 5022 while (o->name) {
5023 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5024 o->type = FIO_OPT_INVALID;
5025 o->prof_name = NULL;
5026 }
5027 o++;
e2de69da
JA		 5028 }
5029}
f5b6bb85
JA		 5030
5031void add_opt_posval(const char *optname, const char *ival, const char *help)
5032{
5033 struct fio_option *o;
5034 unsigned int i;
5035
9af4a244 5036 o = find_option(fio_options, optname);
f5b6bb85
JA		 5037 if (!o)
5038 return;
5039
5040 for (i = 0; i < PARSE_MAX_VP; i++) {
5041 if (o->posval[i].ival)
5042 continue;
5043
5044 o->posval[i].ival = ival;
5045 o->posval[i].help = help;
5046 break;
5047 }
5048}
5049
5050void del_opt_posval(const char *optname, const char *ival)
5051{
5052 struct fio_option *o;
5053 unsigned int i;
5054
9af4a244 5055 o = find_option(fio_options, optname);
f5b6bb85
JA		 5056 if (!o)
5057 return;
5058
5059 for (i = 0; i < PARSE_MAX_VP; i++) {
5060 if (!o->posval[i].ival)
5061 continue;
5062 if (strcmp(o->posval[i].ival, ival))
5063 continue;
5064
5065 o->posval[i].ival = NULL;
5066 o->posval[i].help = NULL;
5067 }
5068}
7e356b2d
JA		 5069
5070void fio_options_free(struct thread_data *td)
5071{
ca6336a8 5072 options_free(fio_options, &td->o);
de890a1e
SL		 5073 if (td->eo && td->io_ops && td->io_ops->options) {
5074 options_free(td->io_ops->options, td->eo);
5075 free(td->eo);
5076 td->eo = NULL;
5077 }
7e356b2d 5078}
c504ee55
JA		 5079
5080struct fio_option *fio_option_find(const char *name)
5081{
5082 return find_option(fio_options, name);
5083}
5084
f0e7f45a
JA		 5085static struct fio_option *find_next_opt(struct thread_options *o,
5086 struct fio_option *from,
5087 unsigned int off1)
a8523a6a 5088{
f0e7f45a 5089 struct fio_option *opt;
a8523a6a 5090
f0e7f45a
JA		 5091 if (!from)
5092 from = &fio_options[0];
5093 else
5094 from++;
5095
5096 opt = NULL;
5097 do {
5098 if (off1 == from->off1) {
5099 opt = from;
a8523a6a
JA		 5100 break;
5101 }
f0e7f45a
JA		 5102 from++;
5103 } while (from->name);
a8523a6a 5104
f0e7f45a
JA		 5105 return opt;
5106}
5107
5108static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5109{
5110 unsigned int opt_off, index, offset;
a8523a6a
JA		 5111
5112 opt_off = opt - &fio_options[0];
5113 index = opt_off / (8 * sizeof(uint64_t));
5114 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5115 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5116}
5117
72f39748 5118bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5119{
5120 struct fio_option *opt, *next;
5121
5122 next = NULL;
5123 while ((opt = find_next_opt(o, next, off1)) != NULL) {
5124 if (opt_is_set(o, opt))
72f39748 5125 return true;
f0e7f45a
JA		 5126
5127 next = opt;
5128 }
5129
72f39748 5130 return false;
f0e7f45a
JA		 5131}
5132
a8523a6a
JA		 5133void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
5134{
5135 unsigned int opt_off, index, offset;
5136
5137 opt_off = opt - &fio_options[0];
5138 index = opt_off / (8 * sizeof(uint64_t));
5139 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5140 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5141}
fio - Flexible IO Tester