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HOWTO: update command line option descriptions
[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;
1413 } else
1414 td->o.size = v;
1415
1416 return 0;
1417}
1418
dded427c
OS		 1419static int str_write_bw_log_cb(void *data, const char *str)
1420{
1421 struct thread_data *td = cb_data_to_td(data);
1422
1423 if (str)
1424 td->o.bw_log_file = strdup(str);
1425
1426 td->o.write_bw_log = 1;
1427 return 0;
1428}
1429
1430static int str_write_lat_log_cb(void *data, const char *str)
1431{
1432 struct thread_data *td = cb_data_to_td(data);
1433
1434 if (str)
1435 td->o.lat_log_file = strdup(str);
1436
1437 td->o.write_lat_log = 1;
1438 return 0;
1439}
1440
1441static int str_write_iops_log_cb(void *data, const char *str)
1442{
1443 struct thread_data *td = cb_data_to_td(data);
1444
1445 if (str)
1446 td->o.iops_log_file = strdup(str);
1447
1448 td->o.write_iops_log = 1;
1449 return 0;
1450}
1451
1452static int str_write_hist_log_cb(void *data, const char *str)
1453{
1454 struct thread_data *td = cb_data_to_td(data);
1455
1456 if (str)
1457 td->o.hist_log_file = strdup(str);
1458
1459 td->o.write_hist_log = 1;
1460 return 0;
1461}
1462
896cac2a
JA		 1463static int rw_verify(struct fio_option *o, void *data)
1464{
a609f12a 1465 struct thread_data *td = cb_data_to_td(data);
896cac2a
JA		 1466
1467 if (read_only && td_write(td)) {
1468 log_err("fio: job <%s> has write bit set, but fio is in"
1469 " read-only mode\n", td->o.name);
1470 return 1;
1471 }
1472
1473 return 0;
1474}
1475
276ca4f7 1476static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1477{
276ca4f7 1478#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1479 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1480
29d43ff9
JA		 1481 if (td->o.gtod_cpu) {
1482 log_err("fio: platform must support CPU affinity for"
1483 "gettimeofday() offloading\n");
1484 return 1;
1485 }
1486#endif
1487
1488 return 0;
1489}
1490
214e1eca
JA		 1491/*
1492 * Map of job/command line options
1493 */
9af4a244 1494struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1495 {
1496 .name = "description",
e8b0e958 1497 .lname = "Description of job",
214e1eca 1498 .type = FIO_OPT_STR_STORE,
a609f12a 1499 .off1 = offsetof(struct thread_options, description),
214e1eca 1500 .help = "Text job description",
e8b0e958 1501 .category = FIO_OPT_C_GENERAL,
0626037e 1502 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1503 },
1504 {
1505 .name = "name",
e8b0e958 1506 .lname = "Job name",
214e1eca 1507 .type = FIO_OPT_STR_STORE,
a609f12a 1508 .off1 = offsetof(struct thread_options, name),
214e1eca 1509 .help = "Name of this job",
e8b0e958 1510 .category = FIO_OPT_C_GENERAL,
0626037e 1511 .group = FIO_OPT_G_DESC,
214e1eca 1512 },
9cc8cb91
AK		 1513 {
1514 .name = "wait_for",
1515 .lname = "Waitee name",
1516 .type = FIO_OPT_STR_STORE,
a609f12a 1517 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1518 .help = "Name of the job this one wants to wait for before starting",
1519 .category = FIO_OPT_C_GENERAL,
1520 .group = FIO_OPT_G_DESC,
1521 },
214e1eca
JA		 1522 {
1523 .name = "filename",
e8b0e958 1524 .lname = "Filename(s)",
214e1eca 1525 .type = FIO_OPT_STR_STORE,
a609f12a 1526 .off1 = offsetof(struct thread_options, filename),
214e1eca 1527 .cb = str_filename_cb,
f0d524b0 1528 .prio = -1, /* must come after "directory" */
214e1eca 1529 .help = "File(s) to use for the workload",
e8b0e958 1530 .category = FIO_OPT_C_FILE,
0626037e 1531 .group = FIO_OPT_G_FILENAME,
214e1eca 1532 },
90fef2d1 1533 {
e8b0e958
JA		 1534 .name = "directory",
1535 .lname = "Directory",
1536 .type = FIO_OPT_STR_STORE,
a609f12a 1537 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1538 .cb = str_directory_cb,
1539 .help = "Directory to store files in",
1540 .category = FIO_OPT_C_FILE,
0626037e 1541 .group = FIO_OPT_G_FILENAME,
90fef2d1 1542 },
de98bd30
JA		 1543 {
1544 .name = "filename_format",
922a5be8 1545 .lname = "Filename Format",
de98bd30 1546 .type = FIO_OPT_STR_STORE,
a609f12a 1547 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1548 .prio = -1, /* must come after "directory" */
1549 .help = "Override default $jobname.$jobnum.$filenum naming",
1550 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1551 .category = FIO_OPT_C_FILE,
1552 .group = FIO_OPT_G_FILENAME,
ad705bcb 1553 },
922a5be8
JA		 1554 {
1555 .name = "unique_filename",
1556 .lname = "Unique Filename",
1557 .type = FIO_OPT_BOOL,
a609f12a 1558 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1559 .help = "For network clients, prefix file with source IP",
1560 .def = "1",
1561 .category = FIO_OPT_C_FILE,
1562 .group = FIO_OPT_G_FILENAME,
1563 },
29c1349f
JA		 1564 {
1565 .name = "lockfile",
e8b0e958 1566 .lname = "Lockfile",
4d4e80f2 1567 .type = FIO_OPT_STR,
a609f12a 1568 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1569 .help = "Lock file when doing IO to it",
bc6a0a5d 1570 .prio = 1,
29c1349f 1571 .parent = "filename",
d71c154c 1572 .hide = 0,
4d4e80f2 1573 .def = "none",
e8b0e958 1574 .category = FIO_OPT_C_FILE,
0626037e 1575 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1576 .posval = {
1577 { .ival = "none",
1578 .oval = FILE_LOCK_NONE,
1579 .help = "No file locking",
1580 },
1581 { .ival = "exclusive",
1582 .oval = FILE_LOCK_EXCLUSIVE,
1583 .help = "Exclusive file lock",
1584 },
1585 {
1586 .ival = "readwrite",
1587 .oval = FILE_LOCK_READWRITE,
1588 .help = "Read vs write lock",
1589 },
1590 },
29c1349f 1591 },
214e1eca
JA		 1592 {
1593 .name = "opendir",
e8b0e958 1594 .lname = "Open directory",
214e1eca 1595 .type = FIO_OPT_STR_STORE,
a609f12a 1596 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1597 .cb = str_opendir_cb,
1598 .help = "Recursively add files from this directory and down",
e8b0e958 1599 .category = FIO_OPT_C_FILE,
0626037e 1600 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1601 },
1602 {
1603 .name = "rw",
e8b0e958 1604 .lname = "Read/write",
d3aad8f2 1605 .alias = "readwrite",
214e1eca 1606 .type = FIO_OPT_STR,
211097b2 1607 .cb = str_rw_cb,
a609f12a 1608 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1609 .help = "IO direction",
1610 .def = "read",
896cac2a 1611 .verify = rw_verify,
e8b0e958 1612 .category = FIO_OPT_C_IO,
0626037e 1613 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1614 .posval = {
1615 { .ival = "read",
1616 .oval = TD_DDIR_READ,
1617 .help = "Sequential read",
1618 },
1619 { .ival = "write",
1620 .oval = TD_DDIR_WRITE,
1621 .help = "Sequential write",
1622 },
6eaf09d6
SL		 1623 { .ival = "trim",
1624 .oval = TD_DDIR_TRIM,
1625 .help = "Sequential trim",
1626 },
214e1eca
JA		 1627 { .ival = "randread",
1628 .oval = TD_DDIR_RANDREAD,
1629 .help = "Random read",
1630 },
1631 { .ival = "randwrite",
1632 .oval = TD_DDIR_RANDWRITE,
1633 .help = "Random write",
1634 },
6eaf09d6
SL		 1635 { .ival = "randtrim",
1636 .oval = TD_DDIR_RANDTRIM,
1637 .help = "Random trim",
1638 },
214e1eca
JA		 1639 { .ival = "rw",
1640 .oval = TD_DDIR_RW,
1641 .help = "Sequential read and write mix",
1642 },
10b023db
JA		 1643 { .ival = "readwrite",
1644 .oval = TD_DDIR_RW,
1645 .help = "Sequential read and write mix",
1646 },
214e1eca
JA		 1647 { .ival = "randrw",
1648 .oval = TD_DDIR_RANDRW,
1649 .help = "Random read and write mix"
1650 },
82a90686
JA		 1651 { .ival = "trimwrite",
1652 .oval = TD_DDIR_TRIMWRITE,
1653 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1654 },
214e1eca
JA		 1655 },
1656 },
38dad62d
JA		 1657 {
1658 .name = "rw_sequencer",
e8b0e958 1659 .lname = "RW Sequencer",
38dad62d 1660 .type = FIO_OPT_STR,
a609f12a 1661 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1662 .help = "IO offset generator modifier",
1663 .def = "sequential",
e8b0e958 1664 .category = FIO_OPT_C_IO,
0626037e 1665 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1666 .posval = {
1667 { .ival = "sequential",
1668 .oval = RW_SEQ_SEQ,
1669 .help = "Generate sequential offsets",
1670 },
1671 { .ival = "identical",
1672 .oval = RW_SEQ_IDENT,
1673 .help = "Generate identical offsets",
1674 },
1675 },
1676 },
1677
214e1eca
JA		 1678 {
1679 .name = "ioengine",
e8b0e958 1680 .lname = "IO Engine",
214e1eca 1681 .type = FIO_OPT_STR_STORE,
a609f12a 1682 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1683 .help = "IO engine to use",
58483fa4 1684 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1685 .category = FIO_OPT_C_IO,
0626037e 1686 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1687 .posval = {
1688 { .ival = "sync",
1689 .help = "Use read/write",
1690 },
a31041ea 1691 { .ival = "psync",
1692 .help = "Use pread/pwrite",
1693 },
1d2af02a 1694 { .ival = "vsync",
03e20d68 1695 .help = "Use readv/writev",
1d2af02a 1696 },
07fc0acd
JA		 1697#ifdef CONFIG_PWRITEV
1698 { .ival = "pvsync",
1699 .help = "Use preadv/pwritev",
1700 },
1701#endif
6562685f 1702#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1703 { .ival = "pvsync2",
1704 .help = "Use preadv2/pwritev2",
1705 },
1706#endif
67bf9823 1707#ifdef CONFIG_LIBAIO
214e1eca
JA		 1708 { .ival = "libaio",
1709 .help = "Linux native asynchronous IO",
1710 },
1711#endif
67bf9823 1712#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1713 { .ival = "posixaio",
1714 .help = "POSIX asynchronous IO",
1715 },
417f0068 1716#endif
997843cb 1717#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1718 { .ival = "solarisaio",
1719 .help = "Solaris native asynchronous IO",
1720 },
214e1eca 1721#endif
4700b234 1722#ifdef CONFIG_WINDOWSAIO
03e20d68 1723 { .ival = "windowsaio",
3be80071 1724 .help = "Windows native asynchronous IO"
de890a1e 1725 },
fc5c0345
DG		 1726#endif
1727#ifdef CONFIG_RBD
1728 { .ival = "rbd",
1729 .help = "Rados Block Device asynchronous IO"
1730 },
3be80071 1731#endif
214e1eca 1732 { .ival = "mmap",
03e20d68 1733 .help = "Memory mapped IO"
214e1eca 1734 },
67bf9823 1735#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1736 { .ival = "splice",
1737 .help = "splice/vmsplice based IO",
1738 },
9cce02e8
JA		 1739 { .ival = "netsplice",
1740 .help = "splice/vmsplice to/from the network",
1741 },
214e1eca
JA		 1742#endif
1743#ifdef FIO_HAVE_SGIO
1744 { .ival = "sg",
1745 .help = "SCSI generic v3 IO",
1746 },
1747#endif
1748 { .ival = "null",
1749 .help = "Testing engine (no data transfer)",
1750 },
1751 { .ival = "net",
1752 .help = "Network IO",
1753 },
214e1eca 1754 { .ival = "cpuio",
03e20d68 1755 .help = "CPU cycle burner engine",
214e1eca 1756 },
67bf9823 1757#ifdef CONFIG_GUASI
b8c82a46
JA		 1758 { .ival = "guasi",
1759 .help = "GUASI IO engine",
1760 },
79a43187
JA		 1761#endif
1762#ifdef FIO_HAVE_BINJECT
1763 { .ival = "binject",
1764 .help = "binject direct inject block engine",
1765 },
21b8aee8 1766#endif
67bf9823 1767#ifdef CONFIG_RDMA
21b8aee8 1768 { .ival = "rdma",
1769 .help = "RDMA IO engine",
1770 },
8200b8c7 1771#endif
67bf9823 1772#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1773 { .ival = "fusion-aw-sync",
1774 .help = "Fusion-io atomic write engine",
1775 },
1ecc95ca 1776#endif
997843cb 1777#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1778 { .ival = "e4defrag",
1779 .help = "ext4 defrag engine",
1780 },
1781#endif
997843cb 1782#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1783 { .ival = "falloc",
1784 .help = "fallocate() file based engine",
1785 },
b8c82a46 1786#endif
a7c386f4 1787#ifdef CONFIG_GFAPI
1788 { .ival = "gfapi",
cc47f094 1789 .help = "Glusterfs libgfapi(sync) based engine"
1790 },
1791 { .ival = "gfapi_async",
1792 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1793 },
1794#endif
1b10477b 1795#ifdef CONFIG_LIBHDFS
b74e419e 1796 { .ival = "libhdfs",
1b10477b
MM		 1797 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1798 },
5c4ef02e
JA		 1799#endif
1800#ifdef CONFIG_PMEMBLK
1801 { .ival = "pmemblk",
1802 .help = "NVML libpmemblk based IO engine",
1803 },
1804
104ee4de
DJ		 1805#endif
1806#ifdef CONFIG_LINUX_DEVDAX
1807 { .ival = "dev-dax",
1808 .help = "DAX Device based IO engine",
1809 },
1b10477b 1810#endif
214e1eca
JA		 1811 { .ival = "external",
1812 .help = "Load external engine (append name)",
1813 },
1814 },
1815 },
1816 {
1817 .name = "iodepth",
e8b0e958 1818 .lname = "IO Depth",
214e1eca 1819 .type = FIO_OPT_INT,
a609f12a 1820 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1821 .help = "Number of IO buffers to keep in flight",
757aff4f 1822 .minval = 1,
20eb06bd 1823 .interval = 1,
214e1eca 1824 .def = "1",
e8b0e958 1825 .category = FIO_OPT_C_IO,
0626037e 1826 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1827 },
1828 {
1829 .name = "iodepth_batch",
e8b0e958 1830 .lname = "IO Depth batch",
4950421a 1831 .alias = "iodepth_batch_submit",
214e1eca 1832 .type = FIO_OPT_INT,
a609f12a 1833 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1834 .help = "Number of IO buffers to submit in one go",
afdf9352 1835 .parent = "iodepth",
d71c154c 1836 .hide = 1,
20eb06bd 1837 .interval = 1,
a2e6f8ac 1838 .def = "1",
e8b0e958 1839 .category = FIO_OPT_C_IO,
0626037e 1840 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1841 },
1842 {
82407585
RP		 1843 .name = "iodepth_batch_complete_min",
1844 .lname = "Min IO depth batch complete",
1845 .alias = "iodepth_batch_complete",
4950421a 1846 .type = FIO_OPT_INT,
a609f12a 1847 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1848 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1849 .parent = "iodepth",
d71c154c 1850 .hide = 1,
4950421a 1851 .minval = 0,
20eb06bd 1852 .interval = 1,
4950421a 1853 .def = "1",
e8b0e958 1854 .category = FIO_OPT_C_IO,
0626037e 1855 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1856 },
82407585
RP		 1857 {
1858 .name = "iodepth_batch_complete_max",
1859 .lname = "Max IO depth batch complete",
1860 .type = FIO_OPT_INT,
a609f12a 1861 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1862 .help = "Max number of IO buffers to retrieve in one go",
1863 .parent = "iodepth",
1864 .hide = 1,
1865 .minval = 0,
1866 .interval = 1,
1867 .category = FIO_OPT_C_IO,
1868 .group = FIO_OPT_G_IO_BASIC,
1869 },
214e1eca
JA		 1870 {
1871 .name = "iodepth_low",
e8b0e958 1872 .lname = "IO Depth batch low",
214e1eca 1873 .type = FIO_OPT_INT,
a609f12a 1874 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1875 .help = "Low water mark for queuing depth",
afdf9352 1876 .parent = "iodepth",
d71c154c 1877 .hide = 1,
20eb06bd 1878 .interval = 1,
e8b0e958 1879 .category = FIO_OPT_C_IO,
0626037e 1880 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1881 },
a9da8ab2
JA		 1882 {
1883 .name = "io_submit_mode",
1884 .lname = "IO submit mode",
1885 .type = FIO_OPT_STR,
a609f12a 1886 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1887 .help = "How IO submissions and completions are done",
1888 .def = "inline",
1889 .category = FIO_OPT_C_IO,
1890 .group = FIO_OPT_G_IO_BASIC,
1891 .posval = {
1892 { .ival = "inline",
1893 .oval = IO_MODE_INLINE,
1894 .help = "Submit and complete IO inline",
1895 },
1896 { .ival = "offload",
1897 .oval = IO_MODE_OFFLOAD,
1898 .help = "Offload submit and complete to threads",
1899 },
1900 },
1901 },
214e1eca
JA		 1902 {
1903 .name = "size",
e8b0e958 1904 .lname = "Size",
214e1eca 1905 .type = FIO_OPT_STR_VAL,
7bb59102 1906 .cb = str_size_cb,
a609f12a 1907 .off1 = offsetof(struct thread_options, size),
214e1eca 1908 .help = "Total size of device or files",
20eb06bd 1909 .interval = 1024 * 1024,
e8b0e958
JA		 1910 .category = FIO_OPT_C_IO,
1911 .group = FIO_OPT_G_INVALID,
214e1eca 1912 },
77731b29 1913 {
a4d3b4db
JA		 1914 .name = "io_size",
1915 .alias = "io_limit",
1916 .lname = "IO Size",
77731b29 1917 .type = FIO_OPT_STR_VAL,
5be9bf09 1918 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 1919 .help = "Total size of I/O to be performed",
77731b29
JA		 1920 .interval = 1024 * 1024,
1921 .category = FIO_OPT_C_IO,
1922 .group = FIO_OPT_G_INVALID,
1923 },
aa31f1f1
SL		 1924 {
1925 .name = "fill_device",
e8b0e958 1926 .lname = "Fill device",
74586c1e 1927 .alias = "fill_fs",
aa31f1f1 1928 .type = FIO_OPT_BOOL,
a609f12a 1929 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 1930 .help = "Write until an ENOSPC error occurs",
1931 .def = "0",
e8b0e958
JA		 1932 .category = FIO_OPT_C_FILE,
1933 .group = FIO_OPT_G_INVALID,
aa31f1f1 1934 },
214e1eca
JA		 1935 {
1936 .name = "filesize",
e8b0e958 1937 .lname = "File size",
214e1eca 1938 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 1939 .off1 = offsetof(struct thread_options, file_size_low),
1940 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 1941 .minval = 1,
214e1eca 1942 .help = "Size of individual files",
20eb06bd 1943 .interval = 1024 * 1024,
e8b0e958
JA		 1944 .category = FIO_OPT_C_FILE,
1945 .group = FIO_OPT_G_INVALID,
214e1eca 1946 },
bedc9dc2
JA		 1947 {
1948 .name = "file_append",
1949 .lname = "File append",
1950 .type = FIO_OPT_BOOL,
a609f12a 1951 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 1952 .help = "IO will start at the end of the file(s)",
1953 .def = "0",
1954 .category = FIO_OPT_C_FILE,
1955 .group = FIO_OPT_G_INVALID,
1956 },
67a1000f
JA		 1957 {
1958 .name = "offset",
e8b0e958 1959 .lname = "IO offset",
67a1000f
JA		 1960 .alias = "fileoffset",
1961 .type = FIO_OPT_STR_VAL,
89978a6b 1962 .cb = str_offset_cb,
a609f12a 1963 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 1964 .help = "Start IO from this offset",
1965 .def = "0",
20eb06bd 1966 .interval = 1024 * 1024,
e8b0e958
JA		 1967 .category = FIO_OPT_C_IO,
1968 .group = FIO_OPT_G_INVALID,
67a1000f 1969 },
2d7cd868
JA		 1970 {
1971 .name = "offset_increment",
e8b0e958 1972 .lname = "IO offset increment",
2d7cd868 1973 .type = FIO_OPT_STR_VAL,
a609f12a 1974 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 1975 .help = "What is the increment from one offset to the next",
1976 .parent = "offset",
d71c154c 1977 .hide = 1,
2d7cd868 1978 .def = "0",
20eb06bd 1979 .interval = 1024 * 1024,
e8b0e958
JA		 1980 .category = FIO_OPT_C_IO,
1981 .group = FIO_OPT_G_INVALID,
2d7cd868 1982 },
ddf24e42
JA		 1983 {
1984 .name = "number_ios",
1985 .lname = "Number of IOs to perform",
1986 .type = FIO_OPT_STR_VAL,
a609f12a 1987 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 1988 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1989 .def = "0",
1990 .category = FIO_OPT_C_IO,
1991 .group = FIO_OPT_G_INVALID,
1992 },
214e1eca
JA		 1993 {
1994 .name = "bs",
e8b0e958 1995 .lname = "Block size",
d3aad8f2 1996 .alias = "blocksize",
e01b22b8 1997 .type = FIO_OPT_INT,
a609f12a
JA		 1998 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
1999 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2000 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2001 .minval = 1,
214e1eca 2002 .help = "Block size unit",
2b9136a3 2003 .def = "4096",
67a1000f 2004 .parent = "rw",
d71c154c 2005 .hide = 1,
20eb06bd 2006 .interval = 512,
e8b0e958
JA		 2007 .category = FIO_OPT_C_IO,
2008 .group = FIO_OPT_G_INVALID,
214e1eca 2009 },
2b7a01d0
JA		 2010 {
2011 .name = "ba",
e8b0e958 2012 .lname = "Block size align",
2b7a01d0 2013 .alias = "blockalign",
e01b22b8 2014 .type = FIO_OPT_INT,
a609f12a
JA		 2015 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2016 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2017 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2018 .minval = 1,
2019 .help = "IO block offset alignment",
2020 .parent = "rw",
d71c154c 2021 .hide = 1,
20eb06bd 2022 .interval = 512,
e8b0e958
JA		 2023 .category = FIO_OPT_C_IO,
2024 .group = FIO_OPT_G_INVALID,
2b7a01d0 2025 },
214e1eca
JA		 2026 {
2027 .name = "bsrange",
e8b0e958 2028 .lname = "Block size range",
d3aad8f2 2029 .alias = "blocksize_range",
214e1eca 2030 .type = FIO_OPT_RANGE,
a609f12a
JA		 2031 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2032 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2033 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2034 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2035 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2036 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2037 .minval = 1,
214e1eca 2038 .help = "Set block size range (in more detail than bs)",
67a1000f 2039 .parent = "rw",
d71c154c 2040 .hide = 1,
20eb06bd 2041 .interval = 4096,
e8b0e958
JA		 2042 .category = FIO_OPT_C_IO,
2043 .group = FIO_OPT_G_INVALID,
214e1eca 2044 },
564ca972
JA		 2045 {
2046 .name = "bssplit",
e8b0e958 2047 .lname = "Block size split",
564ca972
JA		 2048 .type = FIO_OPT_STR,
2049 .cb = str_bssplit_cb,
a609f12a 2050 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2051 .help = "Set a specific mix of block sizes",
2052 .parent = "rw",
d71c154c 2053 .hide = 1,
e8b0e958
JA		 2054 .category = FIO_OPT_C_IO,
2055 .group = FIO_OPT_G_INVALID,
564ca972 2056 },
214e1eca
JA		 2057 {
2058 .name = "bs_unaligned",
e8b0e958 2059 .lname = "Block size unaligned",
d3aad8f2 2060 .alias = "blocksize_unaligned",
214e1eca 2061 .type = FIO_OPT_STR_SET,
a609f12a 2062 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2063 .help = "Don't sector align IO buffer sizes",
67a1000f 2064 .parent = "rw",
d71c154c 2065 .hide = 1,
e8b0e958
JA		 2066 .category = FIO_OPT_C_IO,
2067 .group = FIO_OPT_G_INVALID,
214e1eca 2068 },
6aca9b3d
JA		 2069 {
2070 .name = "bs_is_seq_rand",
2071 .lname = "Block size division is seq/random (not read/write)",
2072 .type = FIO_OPT_BOOL,
a609f12a 2073 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2074 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2075 .def = "0",
2076 .parent = "blocksize",
2077 .category = FIO_OPT_C_IO,
2078 .group = FIO_OPT_G_INVALID,
2079 },
214e1eca
JA		 2080 {
2081 .name = "randrepeat",
e8b0e958 2082 .lname = "Random repeatable",
214e1eca 2083 .type = FIO_OPT_BOOL,
a609f12a 2084 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2085 .help = "Use repeatable random IO pattern",
2086 .def = "1",
67a1000f 2087 .parent = "rw",
d71c154c 2088 .hide = 1,
e8b0e958 2089 .category = FIO_OPT_C_IO,
3ceb458f 2090 .group = FIO_OPT_G_RANDOM,
214e1eca 2091 },
04778baf
JA		 2092 {
2093 .name = "randseed",
2094 .lname = "The random generator seed",
363cffa7 2095 .type = FIO_OPT_STR_VAL,
a609f12a 2096 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2097 .help = "Set the random generator seed value",
40fe5e7b 2098 .def = "0x89",
04778baf
JA		 2099 .parent = "rw",
2100 .category = FIO_OPT_C_IO,
2101 .group = FIO_OPT_G_RANDOM,
2102 },
2615cc4b
JA		 2103 {
2104 .name = "use_os_rand",
e8b0e958 2105 .lname = "Use OS random",
54a21917 2106 .type = FIO_OPT_DEPRECATED,
a609f12a 2107 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2108 .category = FIO_OPT_C_IO,
3ceb458f 2109 .group = FIO_OPT_G_RANDOM,
2615cc4b 2110 },
214e1eca
JA		 2111 {
2112 .name = "norandommap",
e8b0e958 2113 .lname = "No randommap",
214e1eca 2114 .type = FIO_OPT_STR_SET,
a609f12a 2115 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2116 .help = "Accept potential duplicate random blocks",
67a1000f 2117 .parent = "rw",
d71c154c 2118 .hide = 1,
b2452a43 2119 .hide_on_set = 1,
e8b0e958 2120 .category = FIO_OPT_C_IO,
3ceb458f 2121 .group = FIO_OPT_G_RANDOM,
214e1eca 2122 },
2b386d25
JA		 2123 {
2124 .name = "softrandommap",
e8b0e958 2125 .lname = "Soft randommap",
2b386d25 2126 .type = FIO_OPT_BOOL,
a609f12a 2127 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2128 .help = "Set norandommap if randommap allocation fails",
2b386d25 2129 .parent = "norandommap",
d71c154c 2130 .hide = 1,
2b386d25 2131 .def = "0",
e8b0e958 2132 .category = FIO_OPT_C_IO,
3ceb458f 2133 .group = FIO_OPT_G_RANDOM,
2b386d25 2134 },
8055e41d
JA		 2135 {
2136 .name = "random_generator",
cce2fdfe 2137 .lname = "Random Generator",
8055e41d 2138 .type = FIO_OPT_STR,
a609f12a 2139 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2140 .help = "Type of random number generator to use",
2141 .def = "tausworthe",
2142 .posval = {
2143 { .ival = "tausworthe",
2144 .oval = FIO_RAND_GEN_TAUSWORTHE,
2145 .help = "Strong Tausworthe generator",
2146 },
2147 { .ival = "lfsr",
2148 .oval = FIO_RAND_GEN_LFSR,
2149 .help = "Variable length LFSR",
2150 },
c3546b53
JA		 2151 {
2152 .ival = "tausworthe64",
2153 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2154 .help = "64-bit Tausworthe variant",
2155 },
8055e41d 2156 },
48107598
JA		 2157 .category = FIO_OPT_C_IO,
2158 .group = FIO_OPT_G_RANDOM,
8055e41d 2159 },
e25839d4
JA		 2160 {
2161 .name = "random_distribution",
cce2fdfe 2162 .lname = "Random Distribution",
e25839d4 2163 .type = FIO_OPT_STR,
a609f12a 2164 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2165 .cb = str_random_distribution_cb,
2166 .help = "Random offset distribution generator",
2167 .def = "random",
2168 .posval = {
2169 { .ival = "random",
2170 .oval = FIO_RAND_DIST_RANDOM,
2171 .help = "Completely random",
2172 },
2173 { .ival = "zipf",
2174 .oval = FIO_RAND_DIST_ZIPF,
2175 .help = "Zipf distribution",
2176 },
925fee33
JA		 2177 { .ival = "pareto",
2178 .oval = FIO_RAND_DIST_PARETO,
2179 .help = "Pareto distribution",
2180 },
56d9fa4b
JA		 2181 { .ival = "normal",
2182 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2183 .help = "Normal (Gaussian) distribution",
56d9fa4b 2184 },
e0a04ac1
JA		 2185 { .ival = "zoned",
2186 .oval = FIO_RAND_DIST_ZONED,
2187 .help = "Zoned random distribution",
2188 },
2189
e25839d4 2190 },
48107598
JA		 2191 .category = FIO_OPT_C_IO,
2192 .group = FIO_OPT_G_RANDOM,
e25839d4 2193 },
211c9b89
JA		 2194 {
2195 .name = "percentage_random",
2196 .lname = "Percentage Random",
2197 .type = FIO_OPT_INT,
a609f12a
JA		 2198 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2199 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2200 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2201 .maxval = 100,
2202 .help = "Percentage of seq/random mix that should be random",
d9472271 2203 .def = "100,100,100",
211c9b89
JA		 2204 .interval = 5,
2205 .inverse = "percentage_sequential",
2206 .category = FIO_OPT_C_IO,
2207 .group = FIO_OPT_G_RANDOM,
2208 },
2209 {
2210 .name = "percentage_sequential",
2211 .lname = "Percentage Sequential",
d9472271 2212 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2213 .category = FIO_OPT_C_IO,
2214 .group = FIO_OPT_G_RANDOM,
2215 },
56e2a5fc
CE		 2216 {
2217 .name = "allrandrepeat",
cce2fdfe 2218 .lname = "All Random Repeat",
56e2a5fc 2219 .type = FIO_OPT_BOOL,
a609f12a 2220 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2221 .help = "Use repeatable random numbers for everything",
2222 .def = "0",
a869d9c6
JA		 2223 .category = FIO_OPT_C_IO,
2224 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2225 },
214e1eca
JA		 2226 {
2227 .name = "nrfiles",
e8b0e958 2228 .lname = "Number of files",
d7c8be03 2229 .alias = "nr_files",
214e1eca 2230 .type = FIO_OPT_INT,
a609f12a 2231 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2232 .help = "Split job workload between this number of files",
2233 .def = "1",
20eb06bd 2234 .interval = 1,
e8b0e958
JA		 2235 .category = FIO_OPT_C_FILE,
2236 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2237 },
2238 {
2239 .name = "openfiles",
e8b0e958 2240 .lname = "Number of open files",
214e1eca 2241 .type = FIO_OPT_INT,
a609f12a 2242 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2243 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2244 .category = FIO_OPT_C_FILE,
2245 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2246 },
2247 {
2248 .name = "file_service_type",
e8b0e958 2249 .lname = "File service type",
214e1eca
JA		 2250 .type = FIO_OPT_STR,
2251 .cb = str_fst_cb,
a609f12a 2252 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2253 .help = "How to select which file to service next",
2254 .def = "roundrobin",
e8b0e958
JA		 2255 .category = FIO_OPT_C_FILE,
2256 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2257 .posval = {
2258 { .ival = "random",
2259 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2260 .help = "Choose a file at random (uniform)",
2261 },
2262 { .ival = "zipf",
2263 .oval = FIO_FSERVICE_ZIPF,
2264 .help = "Zipf randomized",
2265 },
2266 { .ival = "pareto",
2267 .oval = FIO_FSERVICE_PARETO,
2268 .help = "Pareto randomized",
2269 },
2270 { .ival = "gauss",
2271 .oval = FIO_FSERVICE_GAUSS,
c60ebc45 2272 .help = "Normal (Gaussian) distribution",
214e1eca
JA		 2273 },
2274 { .ival = "roundrobin",
2275 .oval = FIO_FSERVICE_RR,
2276 .help = "Round robin select files",
2277 },
a086c257
JA		 2278 { .ival = "sequential",
2279 .oval = FIO_FSERVICE_SEQ,
2280 .help = "Finish one file before moving to the next",
2281 },
214e1eca 2282 },
67a1000f 2283 .parent = "nrfiles",
d71c154c 2284 .hide = 1,
67a1000f 2285 },
97ac992c 2286#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2287 {
2288 .name = "fallocate",
e8b0e958 2289 .lname = "Fallocate",
a596f047 2290 .type = FIO_OPT_STR,
a609f12a 2291 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047
EG		 2292 .help = "Whether pre-allocation is performed when laying out files",
2293 .def = "posix",
e8b0e958
JA		 2294 .category = FIO_OPT_C_FILE,
2295 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2296 .posval = {
2297 { .ival = "none",
2298 .oval = FIO_FALLOCATE_NONE,
2299 .help = "Do not pre-allocate space",
2300 },
2301 { .ival = "posix",
2302 .oval = FIO_FALLOCATE_POSIX,
2303 .help = "Use posix_fallocate()",
2304 },
97ac992c 2305#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2306 { .ival = "keep",
2307 .oval = FIO_FALLOCATE_KEEP_SIZE,
2308 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2309 },
7bc8c2cf 2310#endif
a596f047
EG		 2311 /* Compatibility with former boolean values */
2312 { .ival = "0",
2313 .oval = FIO_FALLOCATE_NONE,
2314 .help = "Alias for 'none'",
2315 },
2316 { .ival = "1",
2317 .oval = FIO_FALLOCATE_POSIX,
2318 .help = "Alias for 'posix'",
2319 },
2320 },
2321 },
a275c37a
JA		 2322#else /* CONFIG_POSIX_FALLOCATE */
2323 {
2324 .name = "fallocate",
2325 .lname = "Fallocate",
2326 .type = FIO_OPT_UNSUPPORTED,
2327 .help = "Your platform does not support fallocate",
2328 },
2329#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2330 {
2331 .name = "fadvise_hint",
e8b0e958 2332 .lname = "Fadvise hint",
ecb2083d 2333 .type = FIO_OPT_STR,
a609f12a 2334 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2335 .posval = {
2336 { .ival = "0",
2337 .oval = F_ADV_NONE,
2338 .help = "Don't issue fadvise",
2339 },
2340 { .ival = "1",
2341 .oval = F_ADV_TYPE,
2342 .help = "Advise using fio IO pattern",
2343 },
2344 { .ival = "random",
2345 .oval = F_ADV_RANDOM,
2346 .help = "Advise using FADV_RANDOM",
2347 },
2348 { .ival = "sequential",
2349 .oval = F_ADV_SEQUENTIAL,
2350 .help = "Advise using FADV_SEQUENTIAL",
2351 },
2352 },
67a1000f
JA		 2353 .help = "Use fadvise() to advise the kernel on IO pattern",
2354 .def = "1",
e8b0e958
JA		 2355 .category = FIO_OPT_C_FILE,
2356 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2357 },
2358 {
2359 .name = "fsync",
e8b0e958 2360 .lname = "Fsync",
214e1eca 2361 .type = FIO_OPT_INT,
a609f12a 2362 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2363 .help = "Issue fsync for writes every given number of blocks",
2364 .def = "0",
20eb06bd 2365 .interval = 1,
e8b0e958
JA		 2366 .category = FIO_OPT_C_FILE,
2367 .group = FIO_OPT_G_INVALID,
214e1eca 2368 },
5f9099ea
JA		 2369 {
2370 .name = "fdatasync",
e8b0e958 2371 .lname = "Fdatasync",
5f9099ea 2372 .type = FIO_OPT_INT,
a609f12a 2373 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2374 .help = "Issue fdatasync for writes every given number of blocks",
2375 .def = "0",
20eb06bd 2376 .interval = 1,
e8b0e958
JA		 2377 .category = FIO_OPT_C_FILE,
2378 .group = FIO_OPT_G_INVALID,
5f9099ea 2379 },
1ef2b6be
JA		 2380 {
2381 .name = "write_barrier",
e8b0e958 2382 .lname = "Write barrier",
1ef2b6be 2383 .type = FIO_OPT_INT,
a609f12a 2384 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2385 .help = "Make every Nth write a barrier write",
2386 .def = "0",
20eb06bd 2387 .interval = 1,
e8b0e958
JA		 2388 .category = FIO_OPT_C_IO,
2389 .group = FIO_OPT_G_INVALID,
1ef2b6be 2390 },
67bf9823 2391#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2392 {
2393 .name = "sync_file_range",
e8b0e958 2394 .lname = "Sync file range",
44f29692
JA		 2395 .posval = {
2396 { .ival = "wait_before",
2397 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2398 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2399 .orval = 1,
44f29692
JA		 2400 },
2401 { .ival = "write",
2402 .oval = SYNC_FILE_RANGE_WRITE,
2403 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2404 .orval = 1,
44f29692
JA		 2405 },
2406 {
2407 .ival = "wait_after",
2408 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2409 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2410 .orval = 1,
44f29692
JA		 2411 },
2412 },
3843deb3 2413 .type = FIO_OPT_STR_MULTI,
44f29692 2414 .cb = str_sfr_cb,
a609f12a 2415 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2416 .help = "Use sync_file_range()",
e8b0e958
JA		 2417 .category = FIO_OPT_C_FILE,
2418 .group = FIO_OPT_G_INVALID,
44f29692 2419 },
a275c37a 2420#else
54d0a315 2421 {
a275c37a
JA		 2422 .name = "sync_file_range",
2423 .lname = "Sync file range",
2424 .type = FIO_OPT_UNSUPPORTED,
2425 .help = "Your platform does not support sync_file_range",
2426 },
44f29692 2427#endif
214e1eca
JA		 2428 {
2429 .name = "direct",
e8b0e958 2430 .lname = "Direct I/O",
214e1eca 2431 .type = FIO_OPT_BOOL,
a609f12a 2432 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2433 .help = "Use O_DIRECT IO (negates buffered)",
2434 .def = "0",
a01a1bc5 2435 .inverse = "buffered",
e8b0e958 2436 .category = FIO_OPT_C_IO,
3ceb458f 2437 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2438 },
d01612f3
CM		 2439 {
2440 .name = "atomic",
2441 .lname = "Atomic I/O",
2442 .type = FIO_OPT_BOOL,
a609f12a 2443 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2444 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2445 .def = "0",
2446 .category = FIO_OPT_C_IO,
2447 .group = FIO_OPT_G_IO_TYPE,
2448 },
214e1eca
JA		 2449 {
2450 .name = "buffered",
e8b0e958 2451 .lname = "Buffered I/O",
214e1eca 2452 .type = FIO_OPT_BOOL,
a609f12a 2453 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2454 .neg = 1,
2455 .help = "Use buffered IO (negates direct)",
2456 .def = "1",
a01a1bc5 2457 .inverse = "direct",
e8b0e958 2458 .category = FIO_OPT_C_IO,
3ceb458f 2459 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2460 },
2461 {
2462 .name = "overwrite",
e8b0e958 2463 .lname = "Overwrite",
214e1eca 2464 .type = FIO_OPT_BOOL,
a609f12a 2465 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2466 .help = "When writing, set whether to overwrite current data",
2467 .def = "0",
e8b0e958
JA		 2468 .category = FIO_OPT_C_FILE,
2469 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2470 },
2471 {
2472 .name = "loops",
e8b0e958 2473 .lname = "Loops",
214e1eca 2474 .type = FIO_OPT_INT,
a609f12a 2475 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2476 .help = "Number of times to run the job",
2477 .def = "1",
20eb06bd 2478 .interval = 1,
e8b0e958 2479 .category = FIO_OPT_C_GENERAL,
a1f6afec 2480 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2481 },
2482 {
2483 .name = "numjobs",
e8b0e958 2484 .lname = "Number of jobs",
214e1eca 2485 .type = FIO_OPT_INT,
a609f12a 2486 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2487 .help = "Duplicate this job this many times",
2488 .def = "1",
20eb06bd 2489 .interval = 1,
e8b0e958 2490 .category = FIO_OPT_C_GENERAL,
a1f6afec 2491 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2492 },
2493 {
2494 .name = "startdelay",
e8b0e958 2495 .lname = "Start delay",
a5737c93 2496 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2497 .off1 = offsetof(struct thread_options, start_delay),
2498 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2499 .help = "Only start job when this period has passed",
2500 .def = "0",
0de5b26f 2501 .is_seconds = 1,
88038bc7 2502 .is_time = 1,
e8b0e958 2503 .category = FIO_OPT_C_GENERAL,
a1f6afec 2504 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2505 },
2506 {
2507 .name = "runtime",
e8b0e958 2508 .lname = "Runtime",
214e1eca
JA		 2509 .alias = "timeout",
2510 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2511 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2512 .help = "Stop workload when this amount of time has passed",
2513 .def = "0",
0de5b26f 2514 .is_seconds = 1,
88038bc7 2515 .is_time = 1,
e8b0e958 2516 .category = FIO_OPT_C_GENERAL,
a1f6afec 2517 .group = FIO_OPT_G_RUNTIME,
214e1eca 2518 },
cf4464ca
JA		 2519 {
2520 .name = "time_based",
e8b0e958 2521 .lname = "Time based",
cf4464ca 2522 .type = FIO_OPT_STR_SET,
a609f12a 2523 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2524 .help = "Keep running until runtime/timeout is met",
e8b0e958 2525 .category = FIO_OPT_C_GENERAL,
a1f6afec 2526 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2527 },
62167762
JC		 2528 {
2529 .name = "verify_only",
2530 .lname = "Verify only",
2531 .type = FIO_OPT_STR_SET,
a609f12a 2532 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2533 .help = "Verifies previously written data is still valid",
2534 .category = FIO_OPT_C_GENERAL,
2535 .group = FIO_OPT_G_RUNTIME,
2536 },
721938ae
JA		 2537 {
2538 .name = "ramp_time",
e8b0e958 2539 .lname = "Ramp time",
721938ae 2540 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2541 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2542 .help = "Ramp up time before measuring performance",
0de5b26f 2543 .is_seconds = 1,
88038bc7 2544 .is_time = 1,
e8b0e958 2545 .category = FIO_OPT_C_GENERAL,
a1f6afec 2546 .group = FIO_OPT_G_RUNTIME,
721938ae 2547 },
c223da83
JA		 2548 {
2549 .name = "clocksource",
e8b0e958 2550 .lname = "Clock source",
c223da83
JA		 2551 .type = FIO_OPT_STR,
2552 .cb = fio_clock_source_cb,
a609f12a 2553 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2554 .help = "What type of timing source to use",
e8b0e958 2555 .category = FIO_OPT_C_GENERAL,
10860056 2556 .group = FIO_OPT_G_CLOCK,
c223da83 2557 .posval = {
67bf9823 2558#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2559 { .ival = "gettimeofday",
2560 .oval = CS_GTOD,
2561 .help = "Use gettimeofday(2) for timing",
2562 },
67bf9823
JA		 2563#endif
2564#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2565 { .ival = "clock_gettime",
2566 .oval = CS_CGETTIME,
2567 .help = "Use clock_gettime(2) for timing",
2568 },
67bf9823 2569#endif
c223da83
JA		 2570#ifdef ARCH_HAVE_CPU_CLOCK
2571 { .ival = "cpu",
2572 .oval = CS_CPUCLOCK,
2573 .help = "Use CPU private clock",
2574 },
2575#endif
2576 },
2577 },
214e1eca
JA		 2578 {
2579 .name = "mem",
d3aad8f2 2580 .alias = "iomem",
e8b0e958 2581 .lname = "I/O Memory",
214e1eca
JA		 2582 .type = FIO_OPT_STR,
2583 .cb = str_mem_cb,
a609f12a 2584 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2585 .help = "Backing type for IO buffers",
2586 .def = "malloc",
e8b0e958
JA		 2587 .category = FIO_OPT_C_IO,
2588 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2589 .posval = {
2590 { .ival = "malloc",
2591 .oval = MEM_MALLOC,
2592 .help = "Use malloc(3) for IO buffers",
2593 },
c8931876 2594#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2595 { .ival = "shm",
2596 .oval = MEM_SHM,
2597 .help = "Use shared memory segments for IO buffers",
2598 },
214e1eca
JA		 2599#ifdef FIO_HAVE_HUGETLB
2600 { .ival = "shmhuge",
2601 .oval = MEM_SHMHUGE,
2602 .help = "Like shm, but use huge pages",
2603 },
c8931876 2604#endif
b370e46a 2605#endif
37c8cdfe
JA		 2606 { .ival = "mmap",
2607 .oval = MEM_MMAP,
2608 .help = "Use mmap(2) (file or anon) for IO buffers",
2609 },
217b0f1d
LG		 2610 { .ival = "mmapshared",
2611 .oval = MEM_MMAPSHARED,
2612 .help = "Like mmap, but use the shared flag",
2613 },
214e1eca
JA		 2614#ifdef FIO_HAVE_HUGETLB
2615 { .ival = "mmaphuge",
2616 .oval = MEM_MMAPHUGE,
2617 .help = "Like mmap, but use huge pages",
2618 },
03553853
YR		 2619#endif
2620#ifdef CONFIG_CUDA
2621 { .ival = "cudamalloc",
2622 .oval = MEM_CUDA_MALLOC,
2623 .help = "Allocate GPU device memory for GPUDirect RDMA",
2624 },
214e1eca
JA		 2625#endif
2626 },
2627 },
d529ee19
JA		 2628 {
2629 .name = "iomem_align",
2630 .alias = "mem_align",
e8b0e958 2631 .lname = "I/O memory alignment",
d529ee19 2632 .type = FIO_OPT_INT,
a609f12a 2633 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2634 .minval = 0,
2635 .help = "IO memory buffer offset alignment",
2636 .def = "0",
2637 .parent = "iomem",
d71c154c 2638 .hide = 1,
e8b0e958
JA		 2639 .category = FIO_OPT_C_IO,
2640 .group = FIO_OPT_G_INVALID,
d529ee19 2641 },
214e1eca
JA		 2642 {
2643 .name = "verify",
e8b0e958 2644 .lname = "Verify",
214e1eca 2645 .type = FIO_OPT_STR,
a609f12a 2646 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2647 .help = "Verify data written",
2648 .def = "0",
e8b0e958 2649 .category = FIO_OPT_C_IO,
3ceb458f 2650 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2651 .posval = {
2652 { .ival = "0",
2653 .oval = VERIFY_NONE,
2654 .help = "Don't do IO verification",
2655 },
fcca4b58
JA		 2656 { .ival = "md5",
2657 .oval = VERIFY_MD5,
2658 .help = "Use md5 checksums for verification",
2659 },
d77a7af3
JA		 2660 { .ival = "crc64",
2661 .oval = VERIFY_CRC64,
2662 .help = "Use crc64 checksums for verification",
2663 },
214e1eca
JA		 2664 { .ival = "crc32",
2665 .oval = VERIFY_CRC32,
2666 .help = "Use crc32 checksums for verification",
2667 },
af497e6a 2668 { .ival = "crc32c-intel",
e3aaafc4
JA		 2669 .oval = VERIFY_CRC32C,
2670 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2671 },
bac39e0e
JA		 2672 { .ival = "crc32c",
2673 .oval = VERIFY_CRC32C,
e3aaafc4 2674 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2675 },
969f7ed3
JA		 2676 { .ival = "crc16",
2677 .oval = VERIFY_CRC16,
2678 .help = "Use crc16 checksums for verification",
2679 },
1e154bdb
JA		 2680 { .ival = "crc7",
2681 .oval = VERIFY_CRC7,
2682 .help = "Use crc7 checksums for verification",
2683 },
7c353ceb
JA		 2684 { .ival = "sha1",
2685 .oval = VERIFY_SHA1,
2686 .help = "Use sha1 checksums for verification",
2687 },
cd14cc10
JA		 2688 { .ival = "sha256",
2689 .oval = VERIFY_SHA256,
2690 .help = "Use sha256 checksums for verification",
2691 },
2692 { .ival = "sha512",
2693 .oval = VERIFY_SHA512,
2694 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2695 },
2696 { .ival = "sha3-224",
2697 .oval = VERIFY_SHA3_224,
2698 .help = "Use sha3-224 checksums for verification",
2699 },
2700 { .ival = "sha3-256",
2701 .oval = VERIFY_SHA3_256,
2702 .help = "Use sha3-256 checksums for verification",
2703 },
2704 { .ival = "sha3-384",
2705 .oval = VERIFY_SHA3_384,
2706 .help = "Use sha3-384 checksums for verification",
2707 },
2708 { .ival = "sha3-512",
2709 .oval = VERIFY_SHA3_512,
2710 .help = "Use sha3-512 checksums for verification",
cd14cc10 2711 },
844ea602
JA		 2712 { .ival = "xxhash",
2713 .oval = VERIFY_XXHASH,
2714 .help = "Use xxhash checksums for verification",
2715 },
b638d82f
RP		 2716 /* Meta information was included into verify_header,
2717 * 'meta' verification is implied by default. */
7437ee87 2718 { .ival = "meta",
b638d82f
RP		 2719 .oval = VERIFY_HDR_ONLY,
2720 .help = "Use io information for verification. "
2721 "Now is implied by default, thus option is obsolete, "
2722 "don't use it",
7437ee87 2723 },
59245381
JA		 2724 { .ival = "pattern",
2725 .oval = VERIFY_PATTERN_NO_HDR,
2726 .help = "Verify strict pattern",
2727 },
36690c9b
JA		 2728 {
2729 .ival = "null",
2730 .oval = VERIFY_NULL,
2731 .help = "Pretend to verify",
2732 },
214e1eca
JA		 2733 },
2734 },
005c565a
JA		 2735 {
2736 .name = "do_verify",
e8b0e958 2737 .lname = "Perform verify step",
68e1f29a 2738 .type = FIO_OPT_BOOL,
a609f12a 2739 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2740 .help = "Run verification stage after write",
2741 .def = "1",
2742 .parent = "verify",
d71c154c 2743 .hide = 1,
e8b0e958
JA		 2744 .category = FIO_OPT_C_IO,
2745 .group = FIO_OPT_G_VERIFY,
005c565a 2746 },
160b966d
JA		 2747 {
2748 .name = "verifysort",
e8b0e958 2749 .lname = "Verify sort",
160b966d 2750 .type = FIO_OPT_BOOL,
a609f12a 2751 .off1 = offsetof(struct thread_options, verifysort),
160b966d
JA		 2752 .help = "Sort written verify blocks for read back",
2753 .def = "1",
c83f2df1 2754 .parent = "verify",
d71c154c 2755 .hide = 1,
e8b0e958
JA		 2756 .category = FIO_OPT_C_IO,
2757 .group = FIO_OPT_G_VERIFY,
160b966d 2758 },
1ae83d45
JA		 2759 {
2760 .name = "verifysort_nr",
cce2fdfe 2761 .lname = "Verify Sort Nr",
1ae83d45 2762 .type = FIO_OPT_INT,
a609f12a 2763 .off1 = offsetof(struct thread_options, verifysort_nr),
1ae83d45
JA		 2764 .help = "Pre-load and sort verify blocks for a read workload",
2765 .minval = 0,
2766 .maxval = 131072,
2767 .def = "1024",
2768 .parent = "verify",
836fcc0f
JA		 2769 .category = FIO_OPT_C_IO,
2770 .group = FIO_OPT_G_VERIFY,
1ae83d45 2771 },
3f9f4e26 2772 {
a59e170d 2773 .name = "verify_interval",
e8b0e958 2774 .lname = "Verify interval",
e01b22b8 2775 .type = FIO_OPT_INT,
a609f12a 2776 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2777 .minval = 2 * sizeof(struct verify_header),
a59e170d 2778 .help = "Store verify buffer header every N bytes",
afdf9352 2779 .parent = "verify",
d71c154c 2780 .hide = 1,
20eb06bd 2781 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2782 .category = FIO_OPT_C_IO,
2783 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2784 },
546a9142 2785 {
a59e170d 2786 .name = "verify_offset",
e8b0e958 2787 .lname = "Verify offset",
e01b22b8 2788 .type = FIO_OPT_INT,
a59e170d 2789 .help = "Offset verify header location by N bytes",
a609f12a 2790 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2791 .minval = sizeof(struct verify_header),
afdf9352 2792 .parent = "verify",
d71c154c 2793 .hide = 1,
e8b0e958
JA		 2794 .category = FIO_OPT_C_IO,
2795 .group = FIO_OPT_G_VERIFY,
546a9142 2796 },
e28218f3
SL		 2797 {
2798 .name = "verify_pattern",
e8b0e958 2799 .lname = "Verify pattern",
0e92f873 2800 .type = FIO_OPT_STR,
e28218f3 2801 .cb = str_verify_pattern_cb,
a609f12a 2802 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2803 .help = "Fill pattern for IO buffers",
2804 .parent = "verify",
d71c154c 2805 .hide = 1,
e8b0e958
JA		 2806 .category = FIO_OPT_C_IO,
2807 .group = FIO_OPT_G_VERIFY,
e28218f3 2808 },
a12a3b4d
JA		 2809 {
2810 .name = "verify_fatal",
e8b0e958 2811 .lname = "Verify fatal",
68e1f29a 2812 .type = FIO_OPT_BOOL,
a609f12a 2813 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2814 .def = "0",
2815 .help = "Exit on a single verify failure, don't continue",
2816 .parent = "verify",
d71c154c 2817 .hide = 1,
e8b0e958
JA		 2818 .category = FIO_OPT_C_IO,
2819 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2820 },
b463e936
JA		 2821 {
2822 .name = "verify_dump",
e8b0e958 2823 .lname = "Verify dump",
b463e936 2824 .type = FIO_OPT_BOOL,
a609f12a 2825 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2826 .def = "0",
b463e936
JA		 2827 .help = "Dump contents of good and bad blocks on failure",
2828 .parent = "verify",
d71c154c 2829 .hide = 1,
e8b0e958
JA		 2830 .category = FIO_OPT_C_IO,
2831 .group = FIO_OPT_G_VERIFY,
b463e936 2832 },
e8462bd8
JA		 2833 {
2834 .name = "verify_async",
e8b0e958 2835 .lname = "Verify asynchronously",
e8462bd8 2836 .type = FIO_OPT_INT,
a609f12a 2837 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2838 .def = "0",
2839 .help = "Number of async verifier threads to use",
2840 .parent = "verify",
d71c154c 2841 .hide = 1,
e8b0e958
JA		 2842 .category = FIO_OPT_C_IO,
2843 .group = FIO_OPT_G_VERIFY,
e8462bd8 2844 },
9e144189
JA		 2845 {
2846 .name = "verify_backlog",
e8b0e958 2847 .lname = "Verify backlog",
9e144189 2848 .type = FIO_OPT_STR_VAL,
a609f12a 2849 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2850 .help = "Verify after this number of blocks are written",
2851 .parent = "verify",
d71c154c 2852 .hide = 1,
e8b0e958
JA		 2853 .category = FIO_OPT_C_IO,
2854 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2855 },
2856 {
2857 .name = "verify_backlog_batch",
e8b0e958 2858 .lname = "Verify backlog batch",
9e144189 2859 .type = FIO_OPT_INT,
a609f12a 2860 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2861 .help = "Verify this number of IO blocks",
0d29de83 2862 .parent = "verify",
d71c154c 2863 .hide = 1,
e8b0e958
JA		 2864 .category = FIO_OPT_C_IO,
2865 .group = FIO_OPT_G_VERIFY,
9e144189 2866 },
e8462bd8
JA		 2867#ifdef FIO_HAVE_CPU_AFFINITY
2868 {
2869 .name = "verify_async_cpus",
e8b0e958 2870 .lname = "Async verify CPUs",
e8462bd8
JA		 2871 .type = FIO_OPT_STR,
2872 .cb = str_verify_cpus_allowed_cb,
a609f12a 2873 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2874 .help = "Set CPUs allowed for async verify threads",
2875 .parent = "verify_async",
d71c154c 2876 .hide = 1,
e8b0e958
JA		 2877 .category = FIO_OPT_C_IO,
2878 .group = FIO_OPT_G_VERIFY,
e8462bd8 2879 },
a275c37a
JA		 2880#else
2881 {
2882 .name = "verify_async_cpus",
2883 .lname = "Async verify CPUs",
2884 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2885 .help = "Your platform does not support CPU affinities",
a275c37a 2886 },
0d29de83 2887#endif
51aa2da8
JA		 2888 {
2889 .name = "experimental_verify",
cce2fdfe 2890 .lname = "Experimental Verify",
a609f12a 2891 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2892 .type = FIO_OPT_BOOL,
b31eaac9 2893 .help = "Enable experimental verification",
ca09be4b
JA		 2894 .parent = "verify",
2895 .category = FIO_OPT_C_IO,
2896 .group = FIO_OPT_G_VERIFY,
2897 },
2898 {
2899 .name = "verify_state_load",
2900 .lname = "Load verify state",
a609f12a 2901 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 2902 .type = FIO_OPT_BOOL,
2903 .help = "Load verify termination state",
2904 .parent = "verify",
2905 .category = FIO_OPT_C_IO,
2906 .group = FIO_OPT_G_VERIFY,
2907 },
2908 {
2909 .name = "verify_state_save",
2910 .lname = "Save verify state",
a609f12a 2911 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 2912 .type = FIO_OPT_BOOL,
2913 .def = "1",
2914 .help = "Save verify state on termination",
2915 .parent = "verify",
836fcc0f
JA		 2916 .category = FIO_OPT_C_IO,
2917 .group = FIO_OPT_G_VERIFY,
51aa2da8 2918 },
0d29de83
JA		 2919#ifdef FIO_HAVE_TRIM
2920 {
2921 .name = "trim_percentage",
e8b0e958 2922 .lname = "Trim percentage",
0d29de83 2923 .type = FIO_OPT_INT,
a609f12a 2924 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 2925 .minval = 0,
0d29de83 2926 .maxval = 100,
169c098d 2927 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 2928 .parent = "verify",
2929 .def = "0",
20eb06bd 2930 .interval = 1,
d71c154c 2931 .hide = 1,
e8b0e958
JA		 2932 .category = FIO_OPT_C_IO,
2933 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2934 },
2935 {
2936 .name = "trim_verify_zero",
e8b0e958 2937 .lname = "Verify trim zero",
20eb06bd 2938 .type = FIO_OPT_BOOL,
169c098d 2939 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 2940 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 2941 .parent = "trim_percentage",
d71c154c 2942 .hide = 1,
0d29de83 2943 .def = "1",
e8b0e958
JA		 2944 .category = FIO_OPT_C_IO,
2945 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2946 },
2947 {
2948 .name = "trim_backlog",
e8b0e958 2949 .lname = "Trim backlog",
0d29de83 2950 .type = FIO_OPT_STR_VAL,
a609f12a 2951 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 2952 .help = "Trim after this number of blocks are written",
2953 .parent = "trim_percentage",
d71c154c 2954 .hide = 1,
20eb06bd 2955 .interval = 1,
e8b0e958
JA		 2956 .category = FIO_OPT_C_IO,
2957 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2958 },
2959 {
2960 .name = "trim_backlog_batch",
e8b0e958 2961 .lname = "Trim backlog batch",
0d29de83 2962 .type = FIO_OPT_INT,
a609f12a 2963 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 2964 .help = "Trim this number of IO blocks",
2965 .parent = "trim_percentage",
d71c154c 2966 .hide = 1,
20eb06bd 2967 .interval = 1,
e8b0e958
JA		 2968 .category = FIO_OPT_C_IO,
2969 .group = FIO_OPT_G_TRIM,
0d29de83 2970 },
a275c37a
JA		 2971#else
2972 {
2973 .name = "trim_percentage",
2974 .lname = "Trim percentage",
2975 .type = FIO_OPT_UNSUPPORTED,
2976 .help = "Fio does not support TRIM on your platform",
2977 },
2978 {
2979 .name = "trim_verify_zero",
2980 .lname = "Verify trim zero",
2981 .type = FIO_OPT_UNSUPPORTED,
2982 .help = "Fio does not support TRIM on your platform",
2983 },
2984 {
2985 .name = "trim_backlog",
2986 .lname = "Trim backlog",
2987 .type = FIO_OPT_UNSUPPORTED,
2988 .help = "Fio does not support TRIM on your platform",
2989 },
2990 {
2991 .name = "trim_backlog_batch",
2992 .lname = "Trim backlog batch",
2993 .type = FIO_OPT_UNSUPPORTED,
2994 .help = "Fio does not support TRIM on your platform",
2995 },
e8462bd8 2996#endif
214e1eca
JA		 2997 {
2998 .name = "write_iolog",
e8b0e958 2999 .lname = "Write I/O log",
214e1eca 3000 .type = FIO_OPT_STR_STORE,
a609f12a 3001 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3002 .help = "Store IO pattern to file",
e8b0e958
JA		 3003 .category = FIO_OPT_C_IO,
3004 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3005 },
3006 {
3007 .name = "read_iolog",
e8b0e958 3008 .lname = "Read I/O log",
214e1eca 3009 .type = FIO_OPT_STR_STORE,
a609f12a 3010 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3011 .help = "Playback IO pattern from file",
e8b0e958
JA		 3012 .category = FIO_OPT_C_IO,
3013 .group = FIO_OPT_G_IOLOG,
214e1eca 3014 },
64bbb865
DN		 3015 {
3016 .name = "replay_no_stall",
e8b0e958 3017 .lname = "Don't stall on replay",
20eb06bd 3018 .type = FIO_OPT_BOOL,
a609f12a 3019 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3020 .def = "0",
87e7a972 3021 .parent = "read_iolog",
d71c154c 3022 .hide = 1,
64bbb865 3023 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3024 .category = FIO_OPT_C_IO,
3025 .group = FIO_OPT_G_IOLOG,
64bbb865 3026 },
d1c46c04
DN		 3027 {
3028 .name = "replay_redirect",
e8b0e958 3029 .lname = "Redirect device for replay",
d1c46c04 3030 .type = FIO_OPT_STR_STORE,
a609f12a 3031 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3032 .parent = "read_iolog",
d71c154c 3033 .hide = 1,
d1c46c04 3034 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3035 .category = FIO_OPT_C_IO,
3036 .group = FIO_OPT_G_IOLOG,
d1c46c04 3037 },
0c63576e
JA		 3038 {
3039 .name = "replay_scale",
3040 .lname = "Replace offset scale factor",
3041 .type = FIO_OPT_INT,
a609f12a 3042 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3043 .parent = "read_iolog",
3044 .def = "1",
3045 .help = "Align offsets to this blocksize",
3046 .category = FIO_OPT_C_IO,
3047 .group = FIO_OPT_G_IOLOG,
3048 },
3049 {
3050 .name = "replay_align",
3051 .lname = "Replace alignment",
3052 .type = FIO_OPT_INT,
a609f12a 3053 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3054 .parent = "read_iolog",
3055 .help = "Scale offset down by this factor",
3056 .category = FIO_OPT_C_IO,
3057 .group = FIO_OPT_G_IOLOG,
3058 .pow2 = 1,
3059 },
214e1eca
JA		 3060 {
3061 .name = "exec_prerun",
e8b0e958 3062 .lname = "Pre-execute runnable",
214e1eca 3063 .type = FIO_OPT_STR_STORE,
a609f12a 3064 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3065 .help = "Execute this file prior to running job",
e8b0e958
JA		 3066 .category = FIO_OPT_C_GENERAL,
3067 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3068 },
3069 {
3070 .name = "exec_postrun",
e8b0e958 3071 .lname = "Post-execute runnable",
214e1eca 3072 .type = FIO_OPT_STR_STORE,
a609f12a 3073 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3074 .help = "Execute this file after running job",
e8b0e958
JA		 3075 .category = FIO_OPT_C_GENERAL,
3076 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3077 },
3078#ifdef FIO_HAVE_IOSCHED_SWITCH
3079 {
3080 .name = "ioscheduler",
e8b0e958 3081 .lname = "I/O scheduler",
214e1eca 3082 .type = FIO_OPT_STR_STORE,
a609f12a 3083 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3084 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3085 .category = FIO_OPT_C_FILE,
3086 .group = FIO_OPT_G_INVALID,
214e1eca 3087 },
a275c37a
JA		 3088#else
3089 {
3090 .name = "ioscheduler",
3091 .lname = "I/O scheduler",
3092 .type = FIO_OPT_UNSUPPORTED,
3093 .help = "Your platform does not support IO scheduler switching",
3094 },
214e1eca
JA		 3095#endif
3096 {
3097 .name = "zonesize",
e8b0e958 3098 .lname = "Zone size",
214e1eca 3099 .type = FIO_OPT_STR_VAL,
a609f12a 3100 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3101 .help = "Amount of data to read per zone",
3102 .def = "0",
20eb06bd 3103 .interval = 1024 * 1024,
e8b0e958
JA		 3104 .category = FIO_OPT_C_IO,
3105 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3106 },
3107 {
3108 .name = "zonerange",
e8b0e958 3109 .lname = "Zone range",
ed335855 3110 .type = FIO_OPT_STR_VAL,
a609f12a 3111 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3112 .help = "Give size of an IO zone",
3113 .def = "0",
20eb06bd 3114 .interval = 1024 * 1024,
e8b0e958
JA		 3115 .category = FIO_OPT_C_IO,
3116 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3117 },
3118 {
3119 .name = "zoneskip",
e8b0e958 3120 .lname = "Zone skip",
214e1eca 3121 .type = FIO_OPT_STR_VAL,
a609f12a 3122 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3123 .help = "Space between IO zones",
3124 .def = "0",
20eb06bd 3125 .interval = 1024 * 1024,
e8b0e958
JA		 3126 .category = FIO_OPT_C_IO,
3127 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3128 },
3129 {
3130 .name = "lockmem",
e8b0e958 3131 .lname = "Lock memory",
214e1eca 3132 .type = FIO_OPT_STR_VAL,
a609f12a 3133 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3134 .help = "Lock down this amount of memory (per worker)",
214e1eca 3135 .def = "0",
20eb06bd 3136 .interval = 1024 * 1024,
e8b0e958
JA		 3137 .category = FIO_OPT_C_GENERAL,
3138 .group = FIO_OPT_G_INVALID,
214e1eca 3139 },
214e1eca
JA		 3140 {
3141 .name = "rwmixread",
e8b0e958 3142 .lname = "Read/write mix read",
214e1eca 3143 .type = FIO_OPT_INT,
cb499fc4 3144 .cb = str_rwmix_read_cb,
a609f12a 3145 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3146 .maxval = 100,
3147 .help = "Percentage of mixed workload that is reads",
3148 .def = "50",
20eb06bd 3149 .interval = 5,
90265353 3150 .inverse = "rwmixwrite",
e8b0e958
JA		 3151 .category = FIO_OPT_C_IO,
3152 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3153 },
3154 {
3155 .name = "rwmixwrite",
e8b0e958 3156 .lname = "Read/write mix write",
214e1eca 3157 .type = FIO_OPT_INT,
cb499fc4 3158 .cb = str_rwmix_write_cb,
a609f12a 3159 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3160 .maxval = 100,
3161 .help = "Percentage of mixed workload that is writes",
3162 .def = "50",
20eb06bd 3163 .interval = 5,
90265353 3164 .inverse = "rwmixread",
e8b0e958
JA		 3165 .category = FIO_OPT_C_IO,
3166 .group = FIO_OPT_G_RWMIX,
214e1eca 3167 },
afdf9352
JA		 3168 {
3169 .name = "rwmixcycle",
e8b0e958 3170 .lname = "Read/write mix cycle",
15ca150e 3171 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3172 .category = FIO_OPT_C_IO,
3173 .group = FIO_OPT_G_RWMIX,
afdf9352 3174 },
214e1eca
JA		 3175 {
3176 .name = "nice",
e8b0e958 3177 .lname = "Nice",
214e1eca 3178 .type = FIO_OPT_INT,
a609f12a 3179 .off1 = offsetof(struct thread_options, nice),
214e1eca
JA		 3180 .help = "Set job CPU nice value",
3181 .minval = -19,
3182 .maxval = 20,
3183 .def = "0",
20eb06bd 3184 .interval = 1,
e8b0e958 3185 .category = FIO_OPT_C_GENERAL,
10860056 3186 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3187 },
3188#ifdef FIO_HAVE_IOPRIO
3189 {
3190 .name = "prio",
e8b0e958 3191 .lname = "I/O nice priority",
214e1eca 3192 .type = FIO_OPT_INT,
a609f12a 3193 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3194 .help = "Set job IO priority value",
1767bd34
TK		 3195 .minval = IOPRIO_MIN_PRIO,
3196 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3197 .interval = 1,
e8b0e958 3198 .category = FIO_OPT_C_GENERAL,
10860056 3199 .group = FIO_OPT_G_CRED,
214e1eca 3200 },
32ef447a
TK		 3201#else
3202 {
3203 .name = "prio",
3204 .lname = "I/O nice priority",
3205 .type = FIO_OPT_UNSUPPORTED,
3206 .help = "Your platform does not support IO priorities",
3207 },
3208#endif
3209#ifdef FIO_HAVE_IOPRIO_CLASS
3210#ifndef FIO_HAVE_IOPRIO
3211#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3212#endif
214e1eca
JA		 3213 {
3214 .name = "prioclass",
e8b0e958 3215 .lname = "I/O nice priority class",
214e1eca 3216 .type = FIO_OPT_INT,
a609f12a 3217 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3218 .help = "Set job IO priority class",
1767bd34
TK		 3219 .minval = IOPRIO_MIN_PRIO_CLASS,
3220 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3221 .interval = 1,
e8b0e958 3222 .category = FIO_OPT_C_GENERAL,
10860056 3223 .group = FIO_OPT_G_CRED,
214e1eca 3224 },
a275c37a 3225#else
a275c37a
JA		 3226 {
3227 .name = "prioclass",
3228 .lname = "I/O nice priority class",
3229 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3230 .help = "Your platform does not support IO priority classes",
a275c37a 3231 },
214e1eca
JA		 3232#endif
3233 {
3234 .name = "thinktime",
e8b0e958 3235 .lname = "Thinktime",
214e1eca 3236 .type = FIO_OPT_INT,
a609f12a 3237 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3238 .help = "Idle time between IO buffers (usec)",
3239 .def = "0",
88038bc7 3240 .is_time = 1,
e8b0e958 3241 .category = FIO_OPT_C_IO,
3ceb458f 3242 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3243 },
3244 {
3245 .name = "thinktime_spin",
e8b0e958 3246 .lname = "Thinktime spin",
214e1eca 3247 .type = FIO_OPT_INT,
a609f12a 3248 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3249 .help = "Start think time by spinning this amount (usec)",
3250 .def = "0",
88038bc7 3251 .is_time = 1,
afdf9352 3252 .parent = "thinktime",
d71c154c 3253 .hide = 1,
e8b0e958 3254 .category = FIO_OPT_C_IO,
3ceb458f 3255 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3256 },
3257 {
3258 .name = "thinktime_blocks",
e8b0e958 3259 .lname = "Thinktime blocks",
214e1eca 3260 .type = FIO_OPT_INT,
a609f12a 3261 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3262 .help = "IO buffer period between 'thinktime'",
3263 .def = "1",
afdf9352 3264 .parent = "thinktime",
d71c154c 3265 .hide = 1,
e8b0e958 3266 .category = FIO_OPT_C_IO,
3ceb458f 3267 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3268 },
3269 {
3270 .name = "rate",
e8b0e958 3271 .lname = "I/O rate",
e01b22b8 3272 .type = FIO_OPT_INT,
a609f12a
JA		 3273 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3274 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3275 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3276 .help = "Set bandwidth rate",
e8b0e958
JA		 3277 .category = FIO_OPT_C_IO,
3278 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3279 },
3280 {
6d428bcd
JA		 3281 .name = "rate_min",
3282 .alias = "ratemin",
e8b0e958 3283 .lname = "I/O min rate",
e01b22b8 3284 .type = FIO_OPT_INT,
a609f12a
JA		 3285 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3286 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3287 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3288 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3289 .parent = "rate",
d71c154c 3290 .hide = 1,
e8b0e958
JA		 3291 .category = FIO_OPT_C_IO,
3292 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3293 },
3294 {
3295 .name = "rate_iops",
e8b0e958 3296 .lname = "I/O rate IOPS",
e01b22b8 3297 .type = FIO_OPT_INT,
a609f12a
JA		 3298 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3299 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3300 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3301 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3302 .hide = 1,
e8b0e958
JA		 3303 .category = FIO_OPT_C_IO,
3304 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3305 },
3306 {
3307 .name = "rate_iops_min",
e8b0e958 3308 .lname = "I/O min rate IOPS",
e01b22b8 3309 .type = FIO_OPT_INT,
a609f12a
JA		 3310 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3311 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3312 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3313 .help = "Job must meet this rate or it will be shut down",
afdf9352 3314 .parent = "rate_iops",
d71c154c 3315 .hide = 1,
e8b0e958
JA		 3316 .category = FIO_OPT_C_IO,
3317 .group = FIO_OPT_G_RATE,
214e1eca 3318 },
ff6bb260 3319 {
6de65959
JA		 3320 .name = "rate_process",
3321 .lname = "Rate Process",
3322 .type = FIO_OPT_STR,
a609f12a 3323 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3324 .help = "What process controls how rated IO is managed",
3325 .def = "linear",
ff6bb260
SL		 3326 .category = FIO_OPT_C_IO,
3327 .group = FIO_OPT_G_RATE,
6de65959
JA		 3328 .posval = {
3329 { .ival = "linear",
3330 .oval = RATE_PROCESS_LINEAR,
3331 .help = "Linear rate of IO",
3332 },
3333 {
3334 .ival = "poisson",
3335 .oval = RATE_PROCESS_POISSON,
3336 .help = "Rate follows Poisson process",
3337 },
3338 },
3339 .parent = "rate",
ff6bb260 3340 },
214e1eca 3341 {
6d428bcd
JA		 3342 .name = "rate_cycle",
3343 .alias = "ratecycle",
e8b0e958 3344 .lname = "I/O rate cycle",
214e1eca 3345 .type = FIO_OPT_INT,
a609f12a 3346 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3347 .help = "Window average for rate limits (msec)",
3348 .def = "1000",
afdf9352 3349 .parent = "rate",
d71c154c 3350 .hide = 1,
e8b0e958
JA		 3351 .category = FIO_OPT_C_IO,
3352 .group = FIO_OPT_G_RATE,
214e1eca 3353 },
15501535
JA		 3354 {
3355 .name = "max_latency",
cce2fdfe 3356 .lname = "Max Latency",
15501535 3357 .type = FIO_OPT_INT,
a609f12a 3358 .off1 = offsetof(struct thread_options, max_latency),
15501535 3359 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3360 .is_time = 1,
1e5324e7 3361 .category = FIO_OPT_C_IO,
3e260a46
JA		 3362 .group = FIO_OPT_G_LATPROF,
3363 },
3364 {
3365 .name = "latency_target",
3366 .lname = "Latency Target (usec)",
3367 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3368 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3369 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3370 .is_time = 1,
3e260a46
JA		 3371 .category = FIO_OPT_C_IO,
3372 .group = FIO_OPT_G_LATPROF,
3373 },
3374 {
3375 .name = "latency_window",
3376 .lname = "Latency Window (usec)",
3377 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3378 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3379 .help = "Time to sustain latency_target",
88038bc7 3380 .is_time = 1,
3e260a46
JA		 3381 .category = FIO_OPT_C_IO,
3382 .group = FIO_OPT_G_LATPROF,
3383 },
3384 {
3385 .name = "latency_percentile",
3386 .lname = "Latency Percentile",
3387 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3388 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3389 .help = "Percentile of IOs must be below latency_target",
3390 .def = "100",
3391 .maxlen = 1,
3392 .minfp = 0.0,
3393 .maxfp = 100.0,
3394 .category = FIO_OPT_C_IO,
3395 .group = FIO_OPT_G_LATPROF,
15501535 3396 },
214e1eca
JA		 3397 {
3398 .name = "invalidate",
e8b0e958 3399 .lname = "Cache invalidate",
214e1eca 3400 .type = FIO_OPT_BOOL,
a609f12a 3401 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3402 .help = "Invalidate buffer/page cache prior to running job",
3403 .def = "1",
e8b0e958 3404 .category = FIO_OPT_C_IO,
3ceb458f 3405 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3406 },
3407 {
3408 .name = "sync",
e8b0e958 3409 .lname = "Synchronous I/O",
214e1eca 3410 .type = FIO_OPT_BOOL,
a609f12a 3411 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3412 .help = "Use O_SYNC for buffered writes",
3413 .def = "0",
67a1000f 3414 .parent = "buffered",
d71c154c 3415 .hide = 1,
e8b0e958 3416 .category = FIO_OPT_C_IO,
3ceb458f 3417 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3418 },
ae8e559e
JA		 3419#ifdef FIO_HAVE_WRITE_HINT
3420 {
3421 .name = "write_hint",
3422 .lname = "Write hint",
3423 .type = FIO_OPT_STR,
3424 .off1 = offsetof(struct thread_options, write_hint),
3425 .help = "Set expected write life time",
3426 .category = FIO_OPT_C_ENGINE,
3427 .group = FIO_OPT_G_INVALID,
3428 .posval = {
3429 { .ival = "none",
3430 .oval = RWH_WRITE_LIFE_NONE,
3431 },
3432 { .ival = "short",
3433 .oval = RWH_WRITE_LIFE_SHORT,
3434 },
3435 { .ival = "medium",
3436 .oval = RWH_WRITE_LIFE_MEDIUM,
3437 },
3438 { .ival = "long",
3439 .oval = RWH_WRITE_LIFE_LONG,
3440 },
3441 { .ival = "extreme",
3442 .oval = RWH_WRITE_LIFE_EXTREME,
3443 },
3444 },
3445 },
3446#endif
214e1eca
JA		 3447 {
3448 .name = "create_serialize",
e8b0e958 3449 .lname = "Create serialize",
214e1eca 3450 .type = FIO_OPT_BOOL,
a609f12a 3451 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3452 .help = "Serialize creation of job files",
214e1eca 3453 .def = "1",
e8b0e958
JA		 3454 .category = FIO_OPT_C_FILE,
3455 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3456 },
3457 {
3458 .name = "create_fsync",
e8b0e958 3459 .lname = "Create fsync",
214e1eca 3460 .type = FIO_OPT_BOOL,
a609f12a 3461 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3462 .help = "fsync file after creation",
214e1eca 3463 .def = "1",
e8b0e958
JA		 3464 .category = FIO_OPT_C_FILE,
3465 .group = FIO_OPT_G_INVALID,
214e1eca 3466 },
814452bd
JA		 3467 {
3468 .name = "create_on_open",
e8b0e958 3469 .lname = "Create on open",
814452bd 3470 .type = FIO_OPT_BOOL,
a609f12a 3471 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3472 .help = "Create files when they are opened for IO",
3473 .def = "0",
e8b0e958
JA		 3474 .category = FIO_OPT_C_FILE,
3475 .group = FIO_OPT_G_INVALID,
814452bd 3476 },
25460cf6
JA		 3477 {
3478 .name = "create_only",
cce2fdfe 3479 .lname = "Create Only",
25460cf6 3480 .type = FIO_OPT_BOOL,
a609f12a 3481 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3482 .help = "Only perform file creation phase",
d17fda71 3483 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3484 .def = "0",
3485 },
2378826d
JA		 3486 {
3487 .name = "allow_file_create",
e81ecca3 3488 .lname = "Allow file create",
2378826d 3489 .type = FIO_OPT_BOOL,
a609f12a 3490 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3491 .help = "Permit fio to create files, if they don't exist",
3492 .def = "1",
3493 .category = FIO_OPT_C_FILE,
3494 .group = FIO_OPT_G_FILENAME,
3495 },
e81ecca3
JA		 3496 {
3497 .name = "allow_mounted_write",
3498 .lname = "Allow mounted write",
3499 .type = FIO_OPT_BOOL,
a609f12a 3500 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3501 .help = "Allow writes to a mounted partition",
3502 .def = "0",
3503 .category = FIO_OPT_C_FILE,
3504 .group = FIO_OPT_G_FILENAME,
3505 },
0b9d69ec 3506 {
afad68f7 3507 .name = "pre_read",
e8b0e958 3508 .lname = "Pre-read files",
afad68f7 3509 .type = FIO_OPT_BOOL,
a609f12a 3510 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3511 .help = "Pre-read files before starting official testing",
afad68f7 3512 .def = "0",
e8b0e958
JA		 3513 .category = FIO_OPT_C_FILE,
3514 .group = FIO_OPT_G_INVALID,
afad68f7 3515 },
214e1eca
JA		 3516#ifdef FIO_HAVE_CPU_AFFINITY
3517 {
3518 .name = "cpumask",
e8b0e958 3519 .lname = "CPU mask",
214e1eca
JA		 3520 .type = FIO_OPT_INT,
3521 .cb = str_cpumask_cb,
a609f12a 3522 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3523 .help = "CPU affinity mask",
e8b0e958 3524 .category = FIO_OPT_C_GENERAL,
10860056 3525 .group = FIO_OPT_G_CRED,
214e1eca 3526 },
d2e268b0
JA		 3527 {
3528 .name = "cpus_allowed",
e8b0e958 3529 .lname = "CPUs allowed",
d2e268b0
JA		 3530 .type = FIO_OPT_STR,
3531 .cb = str_cpus_allowed_cb,
a609f12a 3532 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3533 .help = "Set CPUs allowed",
e8b0e958 3534 .category = FIO_OPT_C_GENERAL,
10860056 3535 .group = FIO_OPT_G_CRED,
d2e268b0 3536 },
c2acfbac
JA		 3537 {
3538 .name = "cpus_allowed_policy",
3539 .lname = "CPUs allowed distribution policy",
3540 .type = FIO_OPT_STR,
a609f12a 3541 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3542 .help = "Distribution policy for cpus_allowed",
3543 .parent = "cpus_allowed",
3544 .prio = 1,
3545 .posval = {
3546 { .ival = "shared",
3547 .oval = FIO_CPUS_SHARED,
3548 .help = "Mask shared between threads",
3549 },
3550 { .ival = "split",
3551 .oval = FIO_CPUS_SPLIT,
3552 .help = "Mask split between threads",
3553 },
3554 },
3555 .category = FIO_OPT_C_GENERAL,
3556 .group = FIO_OPT_G_CRED,
3557 },
a275c37a
JA		 3558#else
3559 {
3560 .name = "cpumask",
3561 .lname = "CPU mask",
3562 .type = FIO_OPT_UNSUPPORTED,
3563 .help = "Your platform does not support CPU affinities",
3564 },
3565 {
3566 .name = "cpus_allowed",
3567 .lname = "CPUs allowed",
3568 .type = FIO_OPT_UNSUPPORTED,
3569 .help = "Your platform does not support CPU affinities",
3570 },
3571 {
3572 .name = "cpus_allowed_policy",
3573 .lname = "CPUs allowed distribution policy",
3574 .type = FIO_OPT_UNSUPPORTED,
3575 .help = "Your platform does not support CPU affinities",
3576 },
d0b937ed 3577#endif
67bf9823 3578#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3579 {
3580 .name = "numa_cpu_nodes",
cce2fdfe 3581 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3582 .type = FIO_OPT_STR,
3583 .cb = str_numa_cpunodes_cb,
a609f12a 3584 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3585 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3586 .category = FIO_OPT_C_GENERAL,
3587 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3588 },
3589 {
3590 .name = "numa_mem_policy",
cce2fdfe 3591 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3592 .type = FIO_OPT_STR,
3593 .cb = str_numa_mpol_cb,
a609f12a 3594 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3595 .help = "NUMA memory policy setup",
6be54b2d
JA		 3596 .category = FIO_OPT_C_GENERAL,
3597 .group = FIO_OPT_G_INVALID,
d0b937ed 3598 },
a275c37a
JA		 3599#else
3600 {
3601 .name = "numa_cpu_nodes",
3602 .lname = "NUMA CPU Nodes",
3603 .type = FIO_OPT_UNSUPPORTED,
3604 .help = "Build fio with libnuma-dev(el) to enable this option",
3605 },
3606 {
3607 .name = "numa_mem_policy",
3608 .lname = "NUMA Memory Policy",
3609 .type = FIO_OPT_UNSUPPORTED,
3610 .help = "Build fio with libnuma-dev(el) to enable this option",
3611 },
03553853
YR		 3612#endif
3613#ifdef CONFIG_CUDA
3614 {
3615 .name = "gpu_dev_id",
3616 .lname = "GPU device ID",
3617 .type = FIO_OPT_INT,
3618 .off1 = offsetof(struct thread_options, gpu_dev_id),
3619 .help = "Set GPU device ID for GPUDirect RDMA",
3620 .def = "0",
3621 .category = FIO_OPT_C_GENERAL,
3622 .group = FIO_OPT_G_INVALID,
3623 },
214e1eca
JA		 3624#endif
3625 {
3626 .name = "end_fsync",
e8b0e958 3627 .lname = "End fsync",
214e1eca 3628 .type = FIO_OPT_BOOL,
a609f12a 3629 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3630 .help = "Include fsync at the end of job",
3631 .def = "0",
e8b0e958
JA		 3632 .category = FIO_OPT_C_FILE,
3633 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3634 },
3635 {
3636 .name = "fsync_on_close",
e8b0e958 3637 .lname = "Fsync on close",
214e1eca 3638 .type = FIO_OPT_BOOL,
a609f12a 3639 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3640 .help = "fsync files on close",
3641 .def = "0",
e8b0e958
JA		 3642 .category = FIO_OPT_C_FILE,
3643 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3644 },
3645 {
3646 .name = "unlink",
e8b0e958 3647 .lname = "Unlink file",
214e1eca 3648 .type = FIO_OPT_BOOL,
a609f12a 3649 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3650 .help = "Unlink created files after job has completed",
3651 .def = "0",
e8b0e958
JA		 3652 .category = FIO_OPT_C_FILE,
3653 .group = FIO_OPT_G_INVALID,
214e1eca 3654 },
39c1c323 3655 {
3656 .name = "unlink_each_loop",
3657 .lname = "Unlink file after each loop of a job",
3658 .type = FIO_OPT_BOOL,
a609f12a 3659 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3660 .help = "Unlink created files after each loop in a job has completed",
3661 .def = "0",
3662 .category = FIO_OPT_C_FILE,
3663 .group = FIO_OPT_G_INVALID,
3664 },
214e1eca
JA		 3665 {
3666 .name = "exitall",
e8b0e958 3667 .lname = "Exit-all on terminate",
214e1eca
JA		 3668 .type = FIO_OPT_STR_SET,
3669 .cb = str_exitall_cb,
3670 .help = "Terminate all jobs when one exits",
e8b0e958 3671 .category = FIO_OPT_C_GENERAL,
a1f6afec 3672 .group = FIO_OPT_G_PROCESS,
214e1eca 3673 },
f9cafb12
JA		 3674 {
3675 .name = "exitall_on_error",
3676 .lname = "Exit-all on terminate in error",
78abcf9b 3677 .type = FIO_OPT_STR_SET,
a609f12a 3678 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3679 .help = "Terminate all jobs when one exits in error",
3680 .category = FIO_OPT_C_GENERAL,
3681 .group = FIO_OPT_G_PROCESS,
3682 },
214e1eca
JA		 3683 {
3684 .name = "stonewall",
e8b0e958 3685 .lname = "Wait for previous",
d392365e 3686 .alias = "wait_for_previous",
214e1eca 3687 .type = FIO_OPT_STR_SET,
a609f12a 3688 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3689 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3690 .category = FIO_OPT_C_GENERAL,
a1f6afec 3691 .group = FIO_OPT_G_PROCESS,
214e1eca 3692 },
b3d62a75
JA		 3693 {
3694 .name = "new_group",
e8b0e958 3695 .lname = "New group",
b3d62a75 3696 .type = FIO_OPT_STR_SET,
a609f12a 3697 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3698 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3699 .category = FIO_OPT_C_GENERAL,
a1f6afec 3700 .group = FIO_OPT_G_PROCESS,
b3d62a75 3701 },
214e1eca
JA		 3702 {
3703 .name = "thread",
e8b0e958 3704 .lname = "Thread",
214e1eca 3705 .type = FIO_OPT_STR_SET,
a609f12a 3706 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3707 .help = "Use threads instead of processes",
c8931876
JA		 3708#ifdef CONFIG_NO_SHM
3709 .def = "1",
3710 .no_warn_def = 1,
3711#endif
e8b0e958 3712 .category = FIO_OPT_C_GENERAL,
a1f6afec 3713 .group = FIO_OPT_G_PROCESS,
214e1eca 3714 },
3a5db920
JA		 3715 {
3716 .name = "per_job_logs",
cce2fdfe 3717 .lname = "Per Job Logs",
3a5db920 3718 .type = FIO_OPT_BOOL,
a609f12a 3719 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3720 .help = "Include job number in generated log files or not",
3721 .def = "1",
3722 .category = FIO_OPT_C_LOG,
3723 .group = FIO_OPT_G_INVALID,
3724 },
214e1eca
JA		 3725 {
3726 .name = "write_bw_log",
e8b0e958 3727 .lname = "Write bandwidth log",
dded427c 3728 .type = FIO_OPT_STR,
a609f12a 3729 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3730 .cb = str_write_bw_log_cb,
214e1eca 3731 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3732 .category = FIO_OPT_C_LOG,
3733 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3734 },
3735 {
3736 .name = "write_lat_log",
e8b0e958 3737 .lname = "Write latency log",
dded427c 3738 .type = FIO_OPT_STR,
a609f12a 3739 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3740 .cb = str_write_lat_log_cb,
214e1eca 3741 .help = "Write log of latency during run",
e8b0e958
JA		 3742 .category = FIO_OPT_C_LOG,
3743 .group = FIO_OPT_G_INVALID,
214e1eca 3744 },
c8eeb9df
JA		 3745 {
3746 .name = "write_iops_log",
e8b0e958 3747 .lname = "Write IOPS log",
dded427c 3748 .type = FIO_OPT_STR,
a609f12a 3749 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3750 .cb = str_write_iops_log_cb,
c8eeb9df 3751 .help = "Write log of IOPS during run",
e8b0e958
JA		 3752 .category = FIO_OPT_C_LOG,
3753 .group = FIO_OPT_G_INVALID,
c8eeb9df 3754 },
b8bc8cba
JA		 3755 {
3756 .name = "log_avg_msec",
e8b0e958 3757 .lname = "Log averaging (msec)",
b8bc8cba 3758 .type = FIO_OPT_INT,
a609f12a 3759 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3760 .help = "Average bw/iops/lat logs over this period of time",
3761 .def = "0",
e8b0e958 3762 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3763 .group = FIO_OPT_G_INVALID,
3764 },
3765 {
3766 .name = "log_hist_msec",
3767 .lname = "Log histograms (msec)",
3768 .type = FIO_OPT_INT,
a609f12a 3769 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3770 .help = "Dump completion latency histograms at frequency of this time value",
3771 .def = "0",
3772 .category = FIO_OPT_C_LOG,
3773 .group = FIO_OPT_G_INVALID,
3774 },
3775 {
3776 .name = "log_hist_coarseness",
3777 .lname = "Histogram logs coarseness",
3778 .type = FIO_OPT_INT,
a609f12a 3779 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3780 .help = "Integer in range [0,6]. Higher coarseness outputs"
3781 " fewer histogram bins per sample. The number of bins for"
3782 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3783 .def = "0",
3784 .category = FIO_OPT_C_LOG,
3785 .group = FIO_OPT_G_INVALID,
3786 },
3787 {
3788 .name = "write_hist_log",
3789 .lname = "Write latency histogram logs",
dded427c 3790 .type = FIO_OPT_STR,
a609f12a 3791 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3792 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3793 .help = "Write log of latency histograms during run",
3794 .category = FIO_OPT_C_LOG,
e8b0e958 3795 .group = FIO_OPT_G_INVALID,
b8bc8cba 3796 },
e6989e10
JA		 3797 {
3798 .name = "log_max_value",
3799 .lname = "Log maximum instead of average",
3800 .type = FIO_OPT_BOOL,
a609f12a 3801 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3802 .help = "Log max sample in a window instead of average",
3803 .def = "0",
3804 .category = FIO_OPT_C_LOG,
3805 .group = FIO_OPT_G_INVALID,
3806 },
ae588852
JA		 3807 {
3808 .name = "log_offset",
3809 .lname = "Log offset of IO",
3810 .type = FIO_OPT_BOOL,
a609f12a 3811 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3812 .help = "Include offset of IO for each log entry",
3813 .def = "0",
3814 .category = FIO_OPT_C_LOG,
3815 .group = FIO_OPT_G_INVALID,
3816 },
aee2ab67
JA		 3817#ifdef CONFIG_ZLIB
3818 {
3819 .name = "log_compression",
3820 .lname = "Log compression",
3821 .type = FIO_OPT_INT,
a609f12a 3822 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3823 .help = "Log in compressed chunks of this size",
9919b27b 3824 .minval = 1024ULL,
aee2ab67
JA		 3825 .maxval = 512 * 1024 * 1024ULL,
3826 .category = FIO_OPT_C_LOG,
3827 .group = FIO_OPT_G_INVALID,
3828 },
c08f9fe2
JA		 3829#ifdef FIO_HAVE_CPU_AFFINITY
3830 {
3831 .name = "log_compression_cpus",
3832 .lname = "Log Compression CPUs",
3833 .type = FIO_OPT_STR,
3834 .cb = str_log_cpus_allowed_cb,
a609f12a 3835 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 3836 .parent = "log_compression",
3837 .help = "Limit log compression to these CPUs",
3838 .category = FIO_OPT_C_LOG,
3839 .group = FIO_OPT_G_INVALID,
3840 },
a275c37a
JA		 3841#else
3842 {
3843 .name = "log_compression_cpus",
3844 .lname = "Log Compression CPUs",
3845 .type = FIO_OPT_UNSUPPORTED,
3846 .help = "Your platform does not support CPU affinities",
3847 },
c08f9fe2 3848#endif
b26317c9
JA		 3849 {
3850 .name = "log_store_compressed",
3851 .lname = "Log store compressed",
3852 .type = FIO_OPT_BOOL,
a609f12a 3853 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 3854 .help = "Store logs in a compressed format",
3855 .category = FIO_OPT_C_LOG,
3856 .group = FIO_OPT_G_INVALID,
3857 },
a275c37a
JA		 3858#else
3859 {
3860 .name = "log_compression",
3861 .lname = "Log compression",
3862 .type = FIO_OPT_UNSUPPORTED,
3863 .help = "Install libz-dev(el) to get compression support",
3864 },
3865 {
3866 .name = "log_store_compressed",
3867 .lname = "Log store compressed",
3868 .type = FIO_OPT_UNSUPPORTED,
3869 .help = "Install libz-dev(el) to get compression support",
3870 },
aee2ab67 3871#endif
3aea75b1
KC		 3872 {
3873 .name = "log_unix_epoch",
3874 .lname = "Log epoch unix",
3875 .type = FIO_OPT_BOOL,
3876 .off1 = offsetof(struct thread_options, log_unix_epoch),
3877 .help = "Use Unix time in log files",
3878 .category = FIO_OPT_C_LOG,
3879 .group = FIO_OPT_G_INVALID,
3880 },
66347cfa
DE		 3881 {
3882 .name = "block_error_percentiles",
3883 .lname = "Block error percentiles",
3884 .type = FIO_OPT_BOOL,
a609f12a 3885 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 3886 .help = "Record trim block errors and make a histogram",
3887 .def = "0",
3888 .category = FIO_OPT_C_LOG,
3889 .group = FIO_OPT_G_INVALID,
3890 },
c504ee55
JA		 3891 {
3892 .name = "bwavgtime",
3893 .lname = "Bandwidth average time",
3894 .type = FIO_OPT_INT,
a609f12a 3895 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 3896 .help = "Time window over which to calculate bandwidth"
3897 " (msec)",
3898 .def = "500",
3899 .parent = "write_bw_log",
3900 .hide = 1,
3901 .interval = 100,
3902 .category = FIO_OPT_C_LOG,
3903 .group = FIO_OPT_G_INVALID,
3904 },
3905 {
3906 .name = "iopsavgtime",
3907 .lname = "IOPS average time",
3908 .type = FIO_OPT_INT,
a609f12a 3909 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 3910 .help = "Time window over which to calculate IOPS (msec)",
3911 .def = "500",
3912 .parent = "write_iops_log",
3913 .hide = 1,
3914 .interval = 100,
3915 .category = FIO_OPT_C_LOG,
3916 .group = FIO_OPT_G_INVALID,
3917 },
214e1eca
JA		 3918 {
3919 .name = "group_reporting",
e8b0e958 3920 .lname = "Group reporting",
d2507043 3921 .type = FIO_OPT_STR_SET,
a609f12a 3922 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 3923 .help = "Do reporting on a per-group basis",
10860056 3924 .category = FIO_OPT_C_STAT,
e8b0e958 3925 .group = FIO_OPT_G_INVALID,
214e1eca 3926 },
8243be59
JA		 3927 {
3928 .name = "stats",
3929 .lname = "Stats",
3930 .type = FIO_OPT_BOOL,
3931 .off1 = offsetof(struct thread_options, stats),
3932 .help = "Enable collection of stats",
3933 .def = "1",
3934 .category = FIO_OPT_C_STAT,
3935 .group = FIO_OPT_G_INVALID,
3936 },
e9459e5a
JA		 3937 {
3938 .name = "zero_buffers",
e8b0e958 3939 .lname = "Zero I/O buffers",
e9459e5a 3940 .type = FIO_OPT_STR_SET,
a609f12a 3941 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 3942 .help = "Init IO buffers to all zeroes",
e8b0e958 3943 .category = FIO_OPT_C_IO,
3ceb458f 3944 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3945 },
5973cafb
JA		 3946 {
3947 .name = "refill_buffers",
e8b0e958 3948 .lname = "Refill I/O buffers",
5973cafb 3949 .type = FIO_OPT_STR_SET,
a609f12a 3950 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 3951 .help = "Refill IO buffers on every IO submit",
e8b0e958 3952 .category = FIO_OPT_C_IO,
3ceb458f 3953 .group = FIO_OPT_G_IO_BUF,
5973cafb 3954 },
fd68418e
JA		 3955 {
3956 .name = "scramble_buffers",
e8b0e958 3957 .lname = "Scramble I/O buffers",
fd68418e 3958 .type = FIO_OPT_BOOL,
a609f12a 3959 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 3960 .help = "Slightly scramble buffers on every IO submit",
3961 .def = "1",
e8b0e958 3962 .category = FIO_OPT_C_IO,
3ceb458f 3963 .group = FIO_OPT_G_IO_BUF,
fd68418e 3964 },
ce35b1ec
JA		 3965 {
3966 .name = "buffer_pattern",
3967 .lname = "Buffer pattern",
3968 .type = FIO_OPT_STR,
3969 .cb = str_buffer_pattern_cb,
a609f12a 3970 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 3971 .help = "Fill pattern for IO buffers",
3972 .category = FIO_OPT_C_IO,
3973 .group = FIO_OPT_G_IO_BUF,
3974 },
9c42684e
JA		 3975 {
3976 .name = "buffer_compress_percentage",
e8b0e958 3977 .lname = "Buffer compression percentage",
9c42684e 3978 .type = FIO_OPT_INT,
bedc9dc2 3979 .cb = str_buffer_compress_cb,
a609f12a 3980 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 3981 .maxval = 100,
e7f5de90 3982 .minval = 0,
9c42684e 3983 .help = "How compressible the buffer is (approximately)",
20eb06bd 3984 .interval = 5,
e8b0e958 3985 .category = FIO_OPT_C_IO,
3ceb458f 3986 .group = FIO_OPT_G_IO_BUF,
9c42684e 3987 },
f97a43a1
JA		 3988 {
3989 .name = "buffer_compress_chunk",
e8b0e958 3990 .lname = "Buffer compression chunk size",
f97a43a1 3991 .type = FIO_OPT_INT,
a609f12a 3992 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 3993 .parent = "buffer_compress_percentage",
d71c154c 3994 .hide = 1,
f97a43a1 3995 .help = "Size of compressible region in buffer",
20eb06bd 3996 .interval = 256,
e8b0e958 3997 .category = FIO_OPT_C_IO,
3ceb458f 3998 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3999 },
5c94b008
JA		 4000 {
4001 .name = "dedupe_percentage",
4002 .lname = "Dedupe percentage",
4003 .type = FIO_OPT_INT,
4004 .cb = str_dedupe_cb,
a609f12a 4005 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4006 .maxval = 100,
4007 .minval = 0,
4008 .help = "Percentage of buffers that are dedupable",
4009 .interval = 1,
4010 .category = FIO_OPT_C_IO,
4011 .group = FIO_OPT_G_IO_BUF,
4012 },
83349190
YH		 4013 {
4014 .name = "clat_percentiles",
e8b0e958 4015 .lname = "Completion latency percentiles",
83349190 4016 .type = FIO_OPT_BOOL,
a609f12a 4017 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4018 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4019 .def = "1",
e8b0e958
JA		 4020 .category = FIO_OPT_C_STAT,
4021 .group = FIO_OPT_G_INVALID,
83349190
YH		 4022 },
4023 {
4024 .name = "percentile_list",
66347cfa 4025 .lname = "Percentile list",
83349190 4026 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4027 .off1 = offsetof(struct thread_options, percentile_list),
4028 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4029 .help = "Specify a custom list of percentiles to report for "
4030 "completion latency and block errors",
fd112d34 4031 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4032 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4033 .minfp = 0.0,
4034 .maxfp = 100.0,
e8b0e958
JA		 4035 .category = FIO_OPT_C_STAT,
4036 .group = FIO_OPT_G_INVALID,
83349190
YH		 4037 },
4038
0a839f30
JA		 4039#ifdef FIO_HAVE_DISK_UTIL
4040 {
4041 .name = "disk_util",
e8b0e958 4042 .lname = "Disk utilization",
0a839f30 4043 .type = FIO_OPT_BOOL,
a609f12a 4044 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4045 .help = "Log disk utilization statistics",
0a839f30 4046 .def = "1",
e8b0e958
JA		 4047 .category = FIO_OPT_C_STAT,
4048 .group = FIO_OPT_G_INVALID,
0a839f30 4049 },
a275c37a
JA		 4050#else
4051 {
4052 .name = "disk_util",
4053 .lname = "Disk utilization",
4054 .type = FIO_OPT_UNSUPPORTED,
4055 .help = "Your platform does not support disk utilization",
4056 },
0a839f30 4057#endif
993bf48b
JA		 4058 {
4059 .name = "gtod_reduce",
e8b0e958 4060 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4061 .type = FIO_OPT_BOOL,
4062 .help = "Greatly reduce number of gettimeofday() calls",
4063 .cb = str_gtod_reduce_cb,
4064 .def = "0",
a4ed77fe 4065 .hide_on_set = 1,
e8b0e958
JA		 4066 .category = FIO_OPT_C_STAT,
4067 .group = FIO_OPT_G_INVALID,
993bf48b 4068 },
02af0988
JA		 4069 {
4070 .name = "disable_lat",
e8b0e958 4071 .lname = "Disable all latency stats",
02af0988 4072 .type = FIO_OPT_BOOL,
a609f12a 4073 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4074 .help = "Disable latency numbers",
4075 .parent = "gtod_reduce",
d71c154c 4076 .hide = 1,
02af0988 4077 .def = "0",
e8b0e958
JA		 4078 .category = FIO_OPT_C_STAT,
4079 .group = FIO_OPT_G_INVALID,
02af0988 4080 },
9520ebb9
JA		 4081 {
4082 .name = "disable_clat",
e8b0e958 4083 .lname = "Disable completion latency stats",
9520ebb9 4084 .type = FIO_OPT_BOOL,
a609f12a 4085 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4086 .help = "Disable completion latency numbers",
993bf48b 4087 .parent = "gtod_reduce",
d71c154c 4088 .hide = 1,
9520ebb9 4089 .def = "0",
e8b0e958
JA		 4090 .category = FIO_OPT_C_STAT,
4091 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4092 },
4093 {
4094 .name = "disable_slat",
e8b0e958 4095 .lname = "Disable submission latency stats",
9520ebb9 4096 .type = FIO_OPT_BOOL,
a609f12a 4097 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4098 .help = "Disable submission latency numbers",
993bf48b 4099 .parent = "gtod_reduce",
d71c154c 4100 .hide = 1,
9520ebb9 4101 .def = "0",
e8b0e958
JA		 4102 .category = FIO_OPT_C_STAT,
4103 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4104 },
4105 {
4106 .name = "disable_bw_measurement",
afd2ceff 4107 .alias = "disable_bw",
e8b0e958 4108 .lname = "Disable bandwidth stats",
9520ebb9 4109 .type = FIO_OPT_BOOL,
a609f12a 4110 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4111 .help = "Disable bandwidth logging",
993bf48b 4112 .parent = "gtod_reduce",
d71c154c 4113 .hide = 1,
9520ebb9 4114 .def = "0",
e8b0e958
JA		 4115 .category = FIO_OPT_C_STAT,
4116 .group = FIO_OPT_G_INVALID,
9520ebb9 4117 },
be4ecfdf
JA		 4118 {
4119 .name = "gtod_cpu",
e8b0e958 4120 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4121 .type = FIO_OPT_INT,
a609f12a 4122 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4123 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4124 .verify = gtod_cpu_verify,
e8b0e958 4125 .category = FIO_OPT_C_GENERAL,
10860056 4126 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4127 },
771e58be
JA		 4128 {
4129 .name = "unified_rw_reporting",
cce2fdfe 4130 .lname = "Unified RW Reporting",
771e58be 4131 .type = FIO_OPT_BOOL,
a609f12a 4132 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4133 .help = "Unify reporting across data direction",
4134 .def = "0",
90b7a96d
JA		 4135 .category = FIO_OPT_C_GENERAL,
4136 .group = FIO_OPT_G_INVALID,
771e58be 4137 },
f2bba182
RR		 4138 {
4139 .name = "continue_on_error",
e8b0e958 4140 .lname = "Continue on error",
06842027 4141 .type = FIO_OPT_STR,
a609f12a 4142 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4143 .help = "Continue on non-fatal errors during IO",
06842027 4144 .def = "none",
e8b0e958 4145 .category = FIO_OPT_C_GENERAL,
bc3f552f 4146 .group = FIO_OPT_G_ERR,
06842027
SL		 4147 .posval = {
4148 { .ival = "none",
4149 .oval = ERROR_TYPE_NONE,
4150 .help = "Exit when an error is encountered",
4151 },
4152 { .ival = "read",
4153 .oval = ERROR_TYPE_READ,
4154 .help = "Continue on read errors only",
4155 },
4156 { .ival = "write",
4157 .oval = ERROR_TYPE_WRITE,
4158 .help = "Continue on write errors only",
4159 },
4160 { .ival = "io",
4161 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4162 .help = "Continue on any IO errors",
4163 },
4164 { .ival = "verify",
4165 .oval = ERROR_TYPE_VERIFY,
4166 .help = "Continue on verify errors only",
4167 },
4168 { .ival = "all",
4169 .oval = ERROR_TYPE_ANY,
4170 .help = "Continue on all io and verify errors",
4171 },
4172 { .ival = "0",
4173 .oval = ERROR_TYPE_NONE,
4174 .help = "Alias for 'none'",
4175 },
4176 { .ival = "1",
4177 .oval = ERROR_TYPE_ANY,
4178 .help = "Alias for 'all'",
4179 },
4180 },
f2bba182 4181 },
8b28bd41
DM		 4182 {
4183 .name = "ignore_error",
cce2fdfe 4184 .lname = "Ignore Error",
8b28bd41
DM		 4185 .type = FIO_OPT_STR,
4186 .cb = str_ignore_error_cb,
a609f12a 4187 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4188 .help = "Set a specific list of errors to ignore",
4189 .parent = "rw",
a94eb99a 4190 .category = FIO_OPT_C_GENERAL,
bc3f552f 4191 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4192 },
4193 {
4194 .name = "error_dump",
cce2fdfe 4195 .lname = "Error Dump",
8b28bd41 4196 .type = FIO_OPT_BOOL,
a609f12a 4197 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4198 .def = "0",
4199 .help = "Dump info on each error",
a94eb99a 4200 .category = FIO_OPT_C_GENERAL,
bc3f552f 4201 .group = FIO_OPT_G_ERR,
8b28bd41 4202 },
9ac8a797
JA		 4203 {
4204 .name = "profile",
e8b0e958 4205 .lname = "Profile",
79d16311 4206 .type = FIO_OPT_STR_STORE,
a609f12a 4207 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4208 .help = "Select a specific builtin performance test",
13fca827 4209 .category = FIO_OPT_C_PROFILE,
e8b0e958 4210 .group = FIO_OPT_G_INVALID,
9ac8a797 4211 },
a696fa2a
JA		 4212 {
4213 .name = "cgroup",
e8b0e958 4214 .lname = "Cgroup",
a696fa2a 4215 .type = FIO_OPT_STR_STORE,
a609f12a 4216 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4217 .help = "Add job to cgroup of this name",
e8b0e958 4218 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4219 .group = FIO_OPT_G_CGROUP,
4220 },
4221 {
4222 .name = "cgroup_nodelete",
4223 .lname = "Cgroup no-delete",
4224 .type = FIO_OPT_BOOL,
a609f12a 4225 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4226 .help = "Do not delete cgroups after job completion",
4227 .def = "0",
4228 .parent = "cgroup",
4229 .category = FIO_OPT_C_GENERAL,
4230 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4231 },
4232 {
4233 .name = "cgroup_weight",
e8b0e958 4234 .lname = "Cgroup weight",
a696fa2a 4235 .type = FIO_OPT_INT,
a609f12a 4236 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4237 .help = "Use given weight for cgroup",
4238 .minval = 100,
4239 .maxval = 1000,
a1f6afec 4240 .parent = "cgroup",
e8b0e958 4241 .category = FIO_OPT_C_GENERAL,
a1f6afec 4242 .group = FIO_OPT_G_CGROUP,
7de87099 4243 },
e0b0d892
JA		 4244 {
4245 .name = "uid",
e8b0e958 4246 .lname = "User ID",
e0b0d892 4247 .type = FIO_OPT_INT,
a609f12a 4248 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4249 .help = "Run job with this user ID",
e8b0e958 4250 .category = FIO_OPT_C_GENERAL,
10860056 4251 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4252 },
4253 {
4254 .name = "gid",
e8b0e958 4255 .lname = "Group ID",
e0b0d892 4256 .type = FIO_OPT_INT,
a609f12a 4257 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4258 .help = "Run job with this group ID",
e8b0e958 4259 .category = FIO_OPT_C_GENERAL,
10860056 4260 .group = FIO_OPT_G_CRED,
e0b0d892 4261 },
a1f6afec
JA		 4262 {
4263 .name = "kb_base",
4264 .lname = "KB Base",
4265 .type = FIO_OPT_INT,
a609f12a 4266 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4267 .prio = 1,
4268 .def = "1024",
ba9c7219
JA		 4269 .posval = {
4270 { .ival = "1024",
4271 .oval = 1024,
d694a6a7 4272 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4273 },
4274 { .ival = "1000",
4275 .oval = 1000,
d694a6a7 4276 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4277 },
4278 },
d694a6a7 4279 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4280 .category = FIO_OPT_C_GENERAL,
4281 .group = FIO_OPT_G_INVALID,
4282 },
cf3a0518
JA		 4283 {
4284 .name = "unit_base",
d694a6a7 4285 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4286 .type = FIO_OPT_INT,
a609f12a 4287 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4288 .prio = 1,
71a08258
JA		 4289 .posval = {
4290 { .ival = "0",
4291 .oval = 0,
4292 .help = "Auto-detect",
4293 },
4294 { .ival = "8",
4295 .oval = 8,
4296 .help = "Normal (byte based)",
4297 },
4298 { .ival = "1",
4299 .oval = 1,
4300 .help = "Bit based",
4301 },
4302 },
cf3a0518
JA		 4303 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4304 .category = FIO_OPT_C_GENERAL,
4305 .group = FIO_OPT_G_INVALID,
4306 },
3ceb458f
JA		 4307 {
4308 .name = "hugepage-size",
4309 .lname = "Hugepage size",
4310 .type = FIO_OPT_INT,
a609f12a 4311 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4312 .help = "When using hugepages, specify size of each page",
4313 .def = __fio_stringify(FIO_HUGE_PAGE),
4314 .interval = 1024 * 1024,
4315 .category = FIO_OPT_C_GENERAL,
4316 .group = FIO_OPT_G_INVALID,
4317 },
9e684a49
DE		 4318 {
4319 .name = "flow_id",
e8b0e958 4320 .lname = "I/O flow ID",
9e684a49 4321 .type = FIO_OPT_INT,
a609f12a 4322 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4323 .help = "The flow index ID to use",
4324 .def = "0",
e8b0e958
JA		 4325 .category = FIO_OPT_C_IO,
4326 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4327 },
4328 {
4329 .name = "flow",
e8b0e958 4330 .lname = "I/O flow weight",
9e684a49 4331 .type = FIO_OPT_INT,
a609f12a 4332 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4333 .help = "Weight for flow control of this job",
4334 .parent = "flow_id",
d71c154c 4335 .hide = 1,
9e684a49 4336 .def = "0",
e8b0e958
JA		 4337 .category = FIO_OPT_C_IO,
4338 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4339 },
4340 {
4341 .name = "flow_watermark",
e8b0e958 4342 .lname = "I/O flow watermark",
9e684a49 4343 .type = FIO_OPT_INT,
a609f12a 4344 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4345 .help = "High watermark for flow control. This option"
4346 " should be set to the same value for all threads"
4347 " with non-zero flow.",
4348 .parent = "flow_id",
d71c154c 4349 .hide = 1,
9e684a49 4350 .def = "1024",
e8b0e958
JA		 4351 .category = FIO_OPT_C_IO,
4352 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4353 },
4354 {
4355 .name = "flow_sleep",
e8b0e958 4356 .lname = "I/O flow sleep",
9e684a49 4357 .type = FIO_OPT_INT,
a609f12a 4358 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4359 .help = "How many microseconds to sleep after being held"
4360 " back by the flow control mechanism",
4361 .parent = "flow_id",
d71c154c 4362 .hide = 1,
9e684a49 4363 .def = "0",
e8b0e958
JA		 4364 .category = FIO_OPT_C_IO,
4365 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4366 },
65fa28ca
DE		 4367 {
4368 .name = "skip_bad",
4369 .lname = "Skip operations against bad blocks",
4370 .type = FIO_OPT_BOOL,
a609f12a 4371 .off1 = offsetof(struct thread_options, skip_bad),
65fa28ca
DE		 4372 .help = "Skip operations against known bad blocks.",
4373 .hide = 1,
4374 .def = "0",
4375 .category = FIO_OPT_C_IO,
4376 .group = FIO_OPT_G_MTD,
4377 },
16e56d25
VF		 4378 {
4379 .name = "steadystate",
4380 .lname = "Steady state threshold",
4381 .alias = "ss",
4382 .type = FIO_OPT_STR,
2c5d94bc 4383 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4384 .cb = str_steadystate_cb,
4385 .help = "Define the criterion and limit to judge when a job has reached steady state",
4386 .def = "iops_slope:0.01%",
4387 .posval = {
4388 { .ival = "iops",
f0c50c66 4389 .oval = FIO_SS_IOPS,
16e56d25
VF		 4390 .help = "maximum mean deviation of IOPS measurements",
4391 },
4392 { .ival = "iops_slope",
f0c50c66 4393 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4394 .help = "slope calculated from IOPS measurements",
4395 },
4396 { .ival = "bw",
f0c50c66 4397 .oval = FIO_SS_BW,
16e56d25
VF		 4398 .help = "maximum mean deviation of bandwidth measurements",
4399 },
4400 {
4401 .ival = "bw_slope",
f0c50c66 4402 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4403 .help = "slope calculated from bandwidth measurements",
4404 },
4405 },
4406 .category = FIO_OPT_C_GENERAL,
4407 .group = FIO_OPT_G_RUNTIME,
4408 },
4409 {
4410 .name = "steadystate_duration",
4411 .lname = "Steady state duration",
4412 .alias = "ss_dur",
915ca980 4413 .parent = "steadystate",
16e56d25
VF		 4414 .type = FIO_OPT_STR_VAL_TIME,
4415 .off1 = offsetof(struct thread_options, ss_dur),
4416 .help = "Stop workload upon attaining steady state for specified duration",
4417 .def = "0",
4418 .is_seconds = 1,
4419 .is_time = 1,
4420 .category = FIO_OPT_C_GENERAL,
4421 .group = FIO_OPT_G_RUNTIME,
4422 },
4423 {
4424 .name = "steadystate_ramp_time",
4425 .lname = "Steady state ramp time",
4426 .alias = "ss_ramp",
915ca980 4427 .parent = "steadystate",
16e56d25
VF		 4428 .type = FIO_OPT_STR_VAL_TIME,
4429 .off1 = offsetof(struct thread_options, ss_ramp_time),
4430 .help = "Delay before initiation of data collection for steady state job termination testing",
4431 .def = "0",
4432 .is_seconds = 1,
4433 .is_time = 1,
4434 .category = FIO_OPT_C_GENERAL,
4435 .group = FIO_OPT_G_RUNTIME,
4436 },
214e1eca
JA		 4437 {
4438 .name = NULL,
4439 },
4440};
4441
17af15d4 4442static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4443 const char *name, int val)
9f81736c 4444{
17af15d4 4445 lopt->name = (char *) name;
de890a1e 4446 lopt->val = val;
9f81736c 4447 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4448 lopt->has_arg = optional_argument;
9f81736c
JA		 4449 else
4450 lopt->has_arg = required_argument;
4451}
4452
de890a1e
SL		 4453static void options_to_lopts(struct fio_option *opts,
4454 struct option *long_options,
4455 int i, int option_type)
214e1eca 4456{
de890a1e 4457 struct fio_option *o = &opts[0];
214e1eca 4458 while (o->name) {
de890a1e 4459 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4460 if (o->alias) {
4461 i++;
de890a1e 4462 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4463 }
214e1eca
JA		 4464
4465 i++;
4466 o++;
4467 assert(i < FIO_NR_OPTIONS);
4468 }
4469}
4470
de890a1e
SL		 4471void fio_options_set_ioengine_opts(struct option *long_options,
4472 struct thread_data *td)
4473{
4474 unsigned int i;
4475
4476 i = 0;
4477 while (long_options[i].name) {
4478 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4479 memset(&long_options[i], 0, sizeof(*long_options));
4480 break;
4481 }
4482 i++;
4483 }
4484
4485 /*
4486 * Just clear out the prior ioengine options.
4487 */
4488 if (!td || !td->eo)
4489 return;
4490
4491 options_to_lopts(td->io_ops->options, long_options, i,
4492 FIO_GETOPT_IOENGINE);
4493}
4494
4495void fio_options_dup_and_init(struct option *long_options)
4496{
4497 unsigned int i;
4498
9af4a244 4499 options_init(fio_options);
de890a1e
SL		 4500
4501 i = 0;
4502 while (long_options[i].name)
4503 i++;
4504
9af4a244 4505 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4506}
4507
74929ac2
JA		 4508struct fio_keyword {
4509 const char *word;
4510 const char *desc;
4511 char *replace;
4512};
4513
4514static struct fio_keyword fio_keywords[] = {
4515 {
4516 .word = "$pagesize",
4517 .desc = "Page size in the system",
4518 },
4519 {
4520 .word = "$mb_memory",
4521 .desc = "Megabytes of memory online",
4522 },
4523 {
4524 .word = "$ncpus",
4525 .desc = "Number of CPUs online in the system",
4526 },
4527 {
4528 .word = NULL,
4529 },
4530};
4531
af1dc266
JA		 4532void fio_keywords_exit(void)
4533{
4534 struct fio_keyword *kw;
4535
4536 kw = &fio_keywords[0];
4537 while (kw->word) {
4538 free(kw->replace);
4539 kw->replace = NULL;
4540 kw++;
4541 }
4542}
4543
74929ac2
JA		 4544void fio_keywords_init(void)
4545{
3b2e1464 4546 unsigned long long mb_memory;
74929ac2
JA		 4547 char buf[128];
4548 long l;
4549
a4cfc477 4550 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4551 fio_keywords[0].replace = strdup(buf);
4552
8eb016d3 4553 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4554 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4555 fio_keywords[1].replace = strdup(buf);
4556
c00a2289 4557 l = cpus_online();
74929ac2
JA		 4558 sprintf(buf, "%lu", l);
4559 fio_keywords[2].replace = strdup(buf);
4560}
4561
892a6ffc
JA		 4562#define BC_APP "bc"
4563
4564static char *bc_calc(char *str)
4565{
d0c814ec 4566 char buf[128], *tmp;
892a6ffc
JA		 4567 FILE *f;
4568 int ret;
4569
4570 /*
4571 * No math, just return string
4572 */
d0c814ec
SL		 4573 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4574 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4575 return str;
4576
4577 /*
4578 * Split option from value, we only need to calculate the value
4579 */
4580 tmp = strchr(str, '=');
4581 if (!tmp)
4582 return str;
4583
4584 tmp++;
892a6ffc 4585
d0c814ec
SL		 4586 /*
4587 * Prevent buffer overflows; such a case isn't reasonable anyway
4588 */
4589 if (strlen(str) >= 128 || strlen(tmp) > 100)
4590 return str;
892a6ffc
JA		 4591
4592 sprintf(buf, "which %s > /dev/null", BC_APP);
4593 if (system(buf)) {
4594 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4595 return NULL;
4596 }
4597
d0c814ec 4598 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4599 f = popen(buf, "r");
3c3ed070 4600 if (!f)
892a6ffc 4601 return NULL;
892a6ffc 4602
d0c814ec 4603 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4604 if (ret <= 0) {
4605 pclose(f);
892a6ffc 4606 return NULL;
1d824f37 4607 }
892a6ffc 4608
892a6ffc 4609 pclose(f);
d0c814ec
SL		 4610 buf[(tmp - str) + ret - 1] = '\0';
4611 memcpy(buf, str, tmp - str);
892a6ffc 4612 free(str);
d0c814ec
SL		 4613 return strdup(buf);
4614}
4615
4616/*
4617 * Return a copy of the input string with substrings of the form ${VARNAME}
4618 * substituted with the value of the environment variable VARNAME. The
4619 * substitution always occurs, even if VARNAME is empty or the corresponding
4620 * environment variable undefined.
4621 */
4622static char *option_dup_subs(const char *opt)
4623{
4624 char out[OPT_LEN_MAX+1];
4625 char in[OPT_LEN_MAX+1];
4626 char *outptr = out;
4627 char *inptr = in;
4628 char *ch1, *ch2, *env;
4629 ssize_t nchr = OPT_LEN_MAX;
4630 size_t envlen;
4631
4632 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4633 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4634 return NULL;
4635 }
4636
4637 in[OPT_LEN_MAX] = '\0';
4638 strncpy(in, opt, OPT_LEN_MAX);
4639
4640 while (*inptr && nchr > 0) {
4641 if (inptr[0] == '$' && inptr[1] == '{') {
4642 ch2 = strchr(inptr, '}');
4643 if (ch2 && inptr+1 < ch2) {
4644 ch1 = inptr+2;
4645 inptr = ch2+1;
4646 *ch2 = '\0';
4647
4648 env = getenv(ch1);
4649 if (env) {
4650 envlen = strlen(env);
4651 if (envlen <= nchr) {
4652 memcpy(outptr, env, envlen);
4653 outptr += envlen;
4654 nchr -= envlen;
4655 }
4656 }
4657
4658 continue;
4659 }
4660 }
4661
4662 *outptr++ = *inptr++;
4663 --nchr;
4664 }
4665
4666 *outptr = '\0';
4667 return strdup(out);
892a6ffc
JA		 4668}
4669
74929ac2
JA		 4670/*
4671 * Look for reserved variable names and replace them with real values
4672 */
4673static char *fio_keyword_replace(char *opt)
4674{
4675 char *s;
4676 int i;
d0c814ec 4677 int docalc = 0;
74929ac2
JA		 4678
4679 for (i = 0; fio_keywords[i].word != NULL; i++) {
4680 struct fio_keyword *kw = &fio_keywords[i];
4681
4682 while ((s = strstr(opt, kw->word)) != NULL) {
4683 char *new = malloc(strlen(opt) + 1);
4684 char *o_org = opt;
4685 int olen = s - opt;
4686 int len;
4687
4688 /*
4689 * Copy part of the string before the keyword and
4690 * sprintf() the replacement after it.
4691 */
4692 memcpy(new, opt, olen);
4693 len = sprintf(new + olen, "%s", kw->replace);
4694
4695 /*
4696 * If there's more in the original string, copy that
4697 * in too
4698 */
4699 opt += strlen(kw->word) + olen;
4700 if (strlen(opt))
4701 memcpy(new + olen + len, opt, opt - o_org - 1);
4702
4703 /*
4704 * replace opt and free the old opt
4705 */
4706 opt = new;
d0c814ec 4707 free(o_org);
7a958bd5 4708
d0c814ec 4709 docalc = 1;
74929ac2
JA		 4710 }
4711 }
4712
d0c814ec
SL		 4713 /*
4714 * Check for potential math and invoke bc, if possible
4715 */
4716 if (docalc)
4717 opt = bc_calc(opt);
4718
7a958bd5 4719 return opt;
74929ac2
JA		 4720}
4721
d0c814ec
SL		 4722static char **dup_and_sub_options(char **opts, int num_opts)
4723{
4724 int i;
4725 char **opts_copy = malloc(num_opts * sizeof(*opts));
4726 for (i = 0; i < num_opts; i++) {
4727 opts_copy[i] = option_dup_subs(opts[i]);
4728 if (!opts_copy[i])
4729 continue;
4730 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4731 }
4732 return opts_copy;
4733}
4734
e15b023b 4735static void show_closest_option(const char *opt)
a2d027b9
JA		 4736{
4737 int best_option, best_distance;
4738 int i, distance;
e15b023b
JA		 4739 char *name;
4740
4741 if (!strlen(opt))
4742 return;
4743
4744 name = strdup(opt);
4745 i = 0;
4746 while (name[i] != '\0' && name[i] != '=')
4747 i++;
4748 name[i] = '\0';
a2d027b9
JA		 4749
4750 best_option = -1;
4751 best_distance = INT_MAX;
4752 i = 0;
4753 while (fio_options[i].name) {
4754 distance = string_distance(name, fio_options[i].name);
4755 if (distance < best_distance) {
4756 best_distance = distance;
4757 best_option = i;
4758 }
4759 i++;
4760 }
4761
75e6bcba
JA		 4762 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4763 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4764 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4765
4766 free(name);
a2d027b9
JA		 4767}
4768
c2292325 4769int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4770{
de890a1e 4771 int i, ret, unknown;
d0c814ec 4772 char **opts_copy;
3b8b7135 4773
9af4a244 4774 sort_options(opts, fio_options, num_opts);
d0c814ec 4775 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4776
de890a1e
SL		 4777 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4778 struct fio_option *o;
9af4a244 4779 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4780 &o, &td->o, &td->opt_list);
d0c814ec 4781
a8523a6a
JA		 4782 if (!newret && o)
4783 fio_option_mark_set(&td->o, o);
4784
de890a1e
SL		 4785 if (opts_copy[i]) {
4786 if (newret && !o) {
4787 unknown++;
4788 continue;
4789 }
d0c814ec 4790 free(opts_copy[i]);
de890a1e
SL		 4791 opts_copy[i] = NULL;
4792 }
4793
4794 ret |= newret;
4795 }
4796
4797 if (unknown) {
4798 ret |= ioengine_load(td);
4799 if (td->eo) {
4800 sort_options(opts_copy, td->io_ops->options, num_opts);
4801 opts = opts_copy;
4802 }
4803 for (i = 0; i < num_opts; i++) {
4804 struct fio_option *o = NULL;
4805 int newret = 1;
a2d027b9 4806
de890a1e
SL		 4807 if (!opts_copy[i])
4808 continue;
4809
4810 if (td->eo)
4811 newret = parse_option(opts_copy[i], opts[i],
4812 td->io_ops->options, &o,
66e19a38 4813 td->eo, &td->opt_list);
de890a1e
SL		 4814
4815 ret |= newret;
a2d027b9 4816 if (!o) {
de890a1e 4817 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4818 show_closest_option(opts[i]);
4819 }
de890a1e
SL		 4820 free(opts_copy[i]);
4821 opts_copy[i] = NULL;
4822 }
74929ac2 4823 }
3b8b7135 4824
d0c814ec 4825 free(opts_copy);
3b8b7135 4826 return ret;
214e1eca
JA		 4827}
4828
4829int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4830{
a8523a6a
JA		 4831 int ret;
4832
a609f12a 4833 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a
JA		 4834 if (!ret) {
4835 struct fio_option *o;
4836
4837 o = find_option(fio_options, opt);
4838 if (o)
4839 fio_option_mark_set(&td->o, o);
4840 }
4841
4842 return ret;
214e1eca
JA		 4843}
4844
de890a1e
SL		 4845int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4846 char *val)
4847{
d8b4f395
JA		 4848 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4849 &td->opt_list);
de890a1e
SL		 4850}
4851
214e1eca
JA		 4852void fio_fill_default_options(struct thread_data *td)
4853{
cb1402d6 4854 td->o.magic = OPT_MAGIC;
a609f12a 4855 fill_default_options(&td->o, fio_options);
214e1eca
JA		 4856}
4857
4858int fio_show_option_help(const char *opt)
4859{
9af4a244 4860 return show_cmd_help(fio_options, opt);
214e1eca 4861}
d23bb327 4862
de890a1e
SL		 4863/*
4864 * dupe FIO_OPT_STR_STORE options
4865 */
4866void fio_options_mem_dupe(struct thread_data *td)
4867{
53b5693d 4868 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 4869
4870 if (td->eo && td->io_ops) {
de890a1e 4871 void *oldeo = td->eo;
1647f592 4872
de890a1e
SL		 4873 td->eo = malloc(td->io_ops->option_struct_size);
4874 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 4875 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 4876 }
4877}
4878
d6978a32
JA		 4879unsigned int fio_get_kb_base(void *data)
4880{
a609f12a
JA		 4881 struct thread_data *td = cb_data_to_td(data);
4882 struct thread_options *o = &td->o;
d6978a32
JA		 4883 unsigned int kb_base = 0;
4884
cb1402d6
JA		 4885 /*
4886 * This is a hack... For private options, *data is not holding
4887 * a pointer to the thread_options, but to private data. This means
4888 * we can't safely dereference it, but magic is first so mem wise
4889 * it is valid. But this also means that if the job first sets
4890 * kb_base and expects that to be honored by private options,
4891 * it will be disappointed. We will return the global default
4892 * for this.
4893 */
4894 if (o && o->magic == OPT_MAGIC)
83ea422a 4895 kb_base = o->kb_base;
d6978a32
JA		 4896 if (!kb_base)
4897 kb_base = 1024;
4898
4899 return kb_base;
4900}
9f988e2e 4901
07b3232d 4902int add_option(struct fio_option *o)
9f988e2e 4903{
07b3232d
JA		 4904 struct fio_option *__o;
4905 int opt_index = 0;
4906
9af4a244 4907 __o = fio_options;
07b3232d
JA		 4908 while (__o->name) {
4909 opt_index++;
4910 __o++;
4911 }
4912
7b504edd
JA		 4913 if (opt_index + 1 == FIO_MAX_OPTS) {
4914 log_err("fio: FIO_MAX_OPTS is too small\n");
4915 return 1;
4916 }
4917
9af4a244 4918 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4919 fio_options[opt_index + 1].name = NULL;
07b3232d 4920 return 0;
9f988e2e 4921}
e2de69da 4922
07b3232d 4923void invalidate_profile_options(const char *prof_name)
e2de69da 4924{
07b3232d 4925 struct fio_option *o;
e2de69da 4926
9af4a244 4927 o = fio_options;
07b3232d
JA		 4928 while (o->name) {
4929 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4930 o->type = FIO_OPT_INVALID;
4931 o->prof_name = NULL;
4932 }
4933 o++;
e2de69da
JA		 4934 }
4935}
f5b6bb85
JA		 4936
4937void add_opt_posval(const char *optname, const char *ival, const char *help)
4938{
4939 struct fio_option *o;
4940 unsigned int i;
4941
9af4a244 4942 o = find_option(fio_options, optname);
f5b6bb85
JA		 4943 if (!o)
4944 return;
4945
4946 for (i = 0; i < PARSE_MAX_VP; i++) {
4947 if (o->posval[i].ival)
4948 continue;
4949
4950 o->posval[i].ival = ival;
4951 o->posval[i].help = help;
4952 break;
4953 }
4954}
4955
4956void del_opt_posval(const char *optname, const char *ival)
4957{
4958 struct fio_option *o;
4959 unsigned int i;
4960
9af4a244 4961 o = find_option(fio_options, optname);
f5b6bb85
JA		 4962 if (!o)
4963 return;
4964
4965 for (i = 0; i < PARSE_MAX_VP; i++) {
4966 if (!o->posval[i].ival)
4967 continue;
4968 if (strcmp(o->posval[i].ival, ival))
4969 continue;
4970
4971 o->posval[i].ival = NULL;
4972 o->posval[i].help = NULL;
4973 }
4974}
7e356b2d
JA		 4975
4976void fio_options_free(struct thread_data *td)
4977{
ca6336a8 4978 options_free(fio_options, &td->o);
de890a1e
SL		 4979 if (td->eo && td->io_ops && td->io_ops->options) {
4980 options_free(td->io_ops->options, td->eo);
4981 free(td->eo);
4982 td->eo = NULL;
4983 }
7e356b2d 4984}
c504ee55
JA		 4985
4986struct fio_option *fio_option_find(const char *name)
4987{
4988 return find_option(fio_options, name);
4989}
4990
f0e7f45a
JA		 4991static struct fio_option *find_next_opt(struct thread_options *o,
4992 struct fio_option *from,
4993 unsigned int off1)
a8523a6a 4994{
f0e7f45a 4995 struct fio_option *opt;
a8523a6a 4996
f0e7f45a
JA		 4997 if (!from)
4998 from = &fio_options[0];
4999 else
5000 from++;
5001
5002 opt = NULL;
5003 do {
5004 if (off1 == from->off1) {
5005 opt = from;
a8523a6a
JA		 5006 break;
5007 }
f0e7f45a
JA		 5008 from++;
5009 } while (from->name);
a8523a6a 5010
f0e7f45a
JA		 5011 return opt;
5012}
5013
5014static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5015{
5016 unsigned int opt_off, index, offset;
a8523a6a
JA		 5017
5018 opt_off = opt - &fio_options[0];
5019 index = opt_off / (8 * sizeof(uint64_t));
5020 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5021 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5022}
5023
72f39748 5024bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5025{
5026 struct fio_option *opt, *next;
5027
5028 next = NULL;
5029 while ((opt = find_next_opt(o, next, off1)) != NULL) {
5030 if (opt_is_set(o, opt))
72f39748 5031 return true;
f0e7f45a
JA		 5032
5033 next = opt;
5034 }
5035
72f39748 5036 return false;
f0e7f45a
JA		 5037}
5038
a8523a6a
JA		 5039void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
5040{
5041 unsigned int opt_off, index, offset;
5042
5043 opt_off = opt - &fio_options[0];
5044 index = opt_off / (8 * sizeof(uint64_t));
5045 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5046 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5047}
fio - Flexible IO Tester