projects / fio.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
log: fix use-after-free
[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>
214e1eca
JA		 11
12#include "fio.h"
4f5af7b2 13#include "verify.h"
214e1eca 14#include "parse.h"
eef32359 15#include "lib/fls.h"
9f988e2e 16#include "options.h"
214e1eca 17
5d7c5d34
JA		 18#include "crc/crc32c.h"
19
214e1eca
JA		 20/*
21 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
22 */
23static char *get_opt_postfix(const char *str)
24{
25 char *p = strstr(str, ":");
26
27 if (!p)
28 return NULL;
29
30 p++;
31 strip_blank_front(&p);
32 strip_blank_end(p);
33 return strdup(p);
34}
35
0e92f873
RR		 36static int converthexchartoint(char a)
37{
38 int base;
39
3c3ed070 40 switch (a) {
0e92f873
RR		 41 case '0'...'9':
42 base = '0';
43 break;
44 case 'A'...'F':
45 base = 'A' - 10;
46 break;
47 case 'a'...'f':
48 base = 'a' - 10;
49 break;
50 default:
51 base = 0;
52 }
3c3ed070 53 return a - base;
0e92f873
RR		 54}
55
564ca972
JA		 56static int bs_cmp(const void *p1, const void *p2)
57{
58 const struct bssplit *bsp1 = p1;
59 const struct bssplit *bsp2 = p2;
60
61 return bsp1->perc < bsp2->perc;
62}
63
83ea422a 64static int bssplit_ddir(struct thread_options *o, int ddir, char *str)
564ca972 65{
720e84ad 66 struct bssplit *bssplit;
564ca972
JA		 67 unsigned int i, perc, perc_missing;
68 unsigned int max_bs, min_bs;
69 long long val;
720e84ad 70 char *fname;
564ca972 71
83ea422a 72 o->bssplit_nr[ddir] = 4;
720e84ad 73 bssplit = malloc(4 * sizeof(struct bssplit));
564ca972
JA		 74
75 i = 0;
76 max_bs = 0;
77 min_bs = -1;
78 while ((fname = strsep(&str, ":")) != NULL) {
79 char *perc_str;
80
81 if (!strlen(fname))
82 break;
83
84 /*
85 * grow struct buffer, if needed
86 */
83ea422a
JA		 87 if (i == o->bssplit_nr[ddir]) {
88 o->bssplit_nr[ddir] <<= 1;
89 bssplit = realloc(bssplit, o->bssplit_nr[ddir]
5ec10eaa 90 * sizeof(struct bssplit));
564ca972
JA		 91 }
92
93 perc_str = strstr(fname, "/");
94 if (perc_str) {
95 *perc_str = '\0';
96 perc_str++;
97 perc = atoi(perc_str);
98 if (perc > 100)
99 perc = 100;
100 else if (!perc)
101 perc = -1;
102 } else
103 perc = -1;
104
0de5b26f 105 if (str_to_decimal(fname, &val, 1, o, 0)) {
564ca972 106 log_err("fio: bssplit conversion failed\n");
d8b97c8e 107 free(bssplit);
564ca972
JA		 108 return 1;
109 }
110
111 if (val > max_bs)
112 max_bs = val;
113 if (val < min_bs)
114 min_bs = val;
115
720e84ad
JA		 116 bssplit[i].bs = val;
117 bssplit[i].perc = perc;
564ca972
JA		 118 i++;
119 }
120
83ea422a 121 o->bssplit_nr[ddir] = i;
564ca972
JA		 122
123 /*
124 * Now check if the percentages add up, and how much is missing
125 */
126 perc = perc_missing = 0;
83ea422a 127 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 128 struct bssplit *bsp = &bssplit[i];
564ca972
JA		 129
130 if (bsp->perc == (unsigned char) -1)
131 perc_missing++;
132 else
133 perc += bsp->perc;
134 }
135
136 if (perc > 100) {
137 log_err("fio: bssplit percentages add to more than 100%%\n");
720e84ad 138 free(bssplit);
564ca972
JA		 139 return 1;
140 }
141 /*
142 * If values didn't have a percentage set, divide the remains between
143 * them.
144 */
145 if (perc_missing) {
83ea422a 146 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 147 struct bssplit *bsp = &bssplit[i];
564ca972
JA		 148
149 if (bsp->perc == (unsigned char) -1)
150 bsp->perc = (100 - perc) / perc_missing;
151 }
152 }
153
83ea422a
JA		 154 o->min_bs[ddir] = min_bs;
155 o->max_bs[ddir] = max_bs;
564ca972
JA		 156
157 /*
158 * now sort based on percentages, for ease of lookup
159 */
83ea422a
JA		 160 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
161 o->bssplit[ddir] = bssplit;
720e84ad 162 return 0;
720e84ad
JA		 163}
164
165static int str_bssplit_cb(void *data, const char *input)
166{
167 struct thread_data *td = data;
6eaf09d6 168 char *str, *p, *odir, *ddir;
720e84ad
JA		 169 int ret = 0;
170
52c0cea3
JA		 171 if (parse_dryrun())
172 return 0;
173
720e84ad
JA		 174 p = str = strdup(input);
175
176 strip_blank_front(&str);
177 strip_blank_end(str);
178
179 odir = strchr(str, ',');
180 if (odir) {
6eaf09d6
SL		 181 ddir = strchr(odir + 1, ',');
182 if (ddir) {
d79db122 183 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL		 184 if (!ret)
185 *ddir = '\0';
186 } else {
187 char *op;
188
189 op = strdup(odir + 1);
d79db122 190 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 191
192 free(op);
193 }
d79db122
JA		 194 if (!ret)
195 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA		 196 if (!ret) {
197 *odir = '\0';
83ea422a 198 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad
JA		 199 }
200 } else {
201 char *op;
202
203 op = strdup(str);
d79db122 204 ret = bssplit_ddir(&td->o, DDIR_WRITE, op);
6eaf09d6 205 free(op);
720e84ad 206
6eaf09d6
SL		 207 if (!ret) {
208 op = strdup(str);
d79db122 209 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 210 free(op);
211 }
83ea422a 212 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad 213 }
564ca972
JA		 214
215 free(p);
720e84ad 216 return ret;
564ca972
JA		 217}
218
8b28bd41
DM		 219static int str2error(char *str)
220{
a94eb99a 221 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 222 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
223 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
224 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
225 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
226 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
227 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 228 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
8b28bd41
DM		 229 int i = 0, num = sizeof(err) / sizeof(void *);
230
a94eb99a 231 while (i < num) {
8b28bd41
DM		 232 if (!strcmp(err[i], str))
233 return i + 1;
234 i++;
235 }
236 return 0;
237}
238
239static int ignore_error_type(struct thread_data *td, int etype, char *str)
240{
241 unsigned int i;
242 int *error;
243 char *fname;
244
245 if (etype >= ERROR_TYPE_CNT) {
246 log_err("Illegal error type\n");
247 return 1;
248 }
249
250 td->o.ignore_error_nr[etype] = 4;
251 error = malloc(4 * sizeof(struct bssplit));
252
253 i = 0;
254 while ((fname = strsep(&str, ":")) != NULL) {
255
256 if (!strlen(fname))
257 break;
258
259 /*
260 * grow struct buffer, if needed
261 */
262 if (i == td->o.ignore_error_nr[etype]) {
263 td->o.ignore_error_nr[etype] <<= 1;
264 error = realloc(error, td->o.ignore_error_nr[etype]
265 * sizeof(int));
266 }
267 if (fname[0] == 'E') {
268 error[i] = str2error(fname);
269 } else {
270 error[i] = atoi(fname);
271 if (error[i] < 0)
1616e025 272 error[i] = -error[i];
8b28bd41
DM		 273 }
274 if (!error[i]) {
275 log_err("Unknown error %s, please use number value \n",
276 fname);
0fddbf7a 277 free(error);
8b28bd41
DM		 278 return 1;
279 }
280 i++;
281 }
282 if (i) {
283 td->o.continue_on_error |= 1 << etype;
284 td->o.ignore_error_nr[etype] = i;
285 td->o.ignore_error[etype] = error;
c7b086be
JA		 286 } else
287 free(error);
288
8b28bd41
DM		 289 return 0;
290
291}
292
293static int str_ignore_error_cb(void *data, const char *input)
294{
295 struct thread_data *td = data;
296 char *str, *p, *n;
297 int type = 0, ret = 1;
52c0cea3
JA		 298
299 if (parse_dryrun())
300 return 0;
301
8b28bd41
DM		 302 p = str = strdup(input);
303
304 strip_blank_front(&str);
305 strip_blank_end(str);
306
307 while (p) {
308 n = strchr(p, ',');
309 if (n)
310 *n++ = '\0';
311 ret = ignore_error_type(td, type, p);
312 if (ret)
313 break;
314 p = n;
315 type++;
316 }
317 free(str);
318 return ret;
319}
320
211097b2
JA		 321static int str_rw_cb(void *data, const char *str)
322{
323 struct thread_data *td = data;
83ea422a 324 struct thread_options *o = &td->o;
27ca949f 325 char *nr;
211097b2 326
52c0cea3
JA		 327 if (parse_dryrun())
328 return 0;
329
83ea422a
JA		 330 o->ddir_seq_nr = 1;
331 o->ddir_seq_add = 0;
059b0802 332
27ca949f 333 nr = get_opt_postfix(str);
059b0802
JA		 334 if (!nr)
335 return 0;
336
337 if (td_random(td))
83ea422a 338 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 339 else {
340 long long val;
341
0de5b26f 342 if (str_to_decimal(nr, &val, 1, o, 0)) {
059b0802
JA		 343 log_err("fio: rw postfix parsing failed\n");
344 free(nr);
345 return 1;
346 }
347
83ea422a 348 o->ddir_seq_add = val;
182ec6ee 349 }
211097b2 350
059b0802 351 free(nr);
211097b2
JA		 352 return 0;
353}
354
214e1eca
JA		 355static int str_mem_cb(void *data, const char *mem)
356{
357 struct thread_data *td = data;
358
d9759b1e 359 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
836fcc0f 360 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 361
362 return 0;
363}
364
c223da83
JA		 365static int fio_clock_source_cb(void *data, const char *str)
366{
367 struct thread_data *td = data;
368
369 fio_clock_source = td->o.clocksource;
fa80feae 370 fio_clock_source_set = 1;
01423eae 371 fio_clock_init();
c223da83
JA		 372 return 0;
373}
374
85bc833b 375static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA		 376{
377 struct thread_data *td = data;
378
379 td->o.rwmix[DDIR_READ] = *val;
380 td->o.rwmix[DDIR_WRITE] = 100 - *val;
381 return 0;
382}
383
85bc833b 384static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA		 385{
386 struct thread_data *td = data;
387
388 td->o.rwmix[DDIR_WRITE] = *val;
389 td->o.rwmix[DDIR_READ] = 100 - *val;
390 return 0;
391}
392
214e1eca
JA		 393static int str_exitall_cb(void)
394{
395 exitall_on_terminate = 1;
396 return 0;
397}
398
214e1eca 399#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 400int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 401{
50b5860b 402 unsigned int i, index, cpus_in_mask;
c2acfbac 403 const long max_cpu = cpus_online();
c2acfbac 404
50b5860b
JA		 405 cpus_in_mask = fio_cpu_count(mask);
406 cpu_index = cpu_index % cpus_in_mask;
407
408 index = 0;
c2acfbac 409 for (i = 0; i < max_cpu; i++) {
50b5860b 410 if (!fio_cpu_isset(mask, i))
c2acfbac 411 continue;
50b5860b
JA		 412
413 if (cpu_index != index)
414 fio_cpu_clear(mask, i);
415
416 index++;
c2acfbac
JA		 417 }
418
419 return fio_cpu_count(mask);
420}
421
85bc833b 422static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA		 423{
424 struct thread_data *td = data;
214e1eca 425 unsigned int i;
b03daafb 426 long max_cpu;
d2ce18b5
JA		 427 int ret;
428
52c0cea3
JA		 429 if (parse_dryrun())
430 return 0;
431
d2ce18b5
JA		 432 ret = fio_cpuset_init(&td->o.cpumask);
433 if (ret < 0) {
434 log_err("fio: cpuset_init failed\n");
435 td_verror(td, ret, "fio_cpuset_init");
436 return 1;
437 }
214e1eca 438
c00a2289 439 max_cpu = cpus_online();
214e1eca 440
62a7273d
JA		 441 for (i = 0; i < sizeof(int) * 8; i++) {
442 if ((1 << i) & *val) {
b03daafb
JA		 443 if (i > max_cpu) {
444 log_err("fio: CPU %d too large (max=%ld)\n", i,
445 max_cpu);
446 return 1;
447 }
62a7273d 448 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 449 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 450 }
451 }
d2e268b0
JA		 452
453 td->o.cpumask_set = 1;
454 return 0;
214e1eca
JA		 455}
456
e8462bd8
JA		 457static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
458 const char *input)
214e1eca 459{
d2e268b0 460 char *cpu, *str, *p;
b03daafb 461 long max_cpu;
19608d6c 462 int ret = 0;
d2e268b0 463
e8462bd8 464 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 465 if (ret < 0) {
466 log_err("fio: cpuset_init failed\n");
467 td_verror(td, ret, "fio_cpuset_init");
468 return 1;
469 }
d2e268b0
JA		 470
471 p = str = strdup(input);
214e1eca 472
d2e268b0
JA		 473 strip_blank_front(&str);
474 strip_blank_end(str);
475
c00a2289 476 max_cpu = cpus_online();
b03daafb 477
d2e268b0 478 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 479 char *str2, *cpu2;
480 int icpu, icpu2;
481
d2e268b0
JA		 482 if (!strlen(cpu))
483 break;
62a7273d
JA		 484
485 str2 = cpu;
486 icpu2 = -1;
487 while ((cpu2 = strsep(&str2, "-")) != NULL) {
488 if (!strlen(cpu2))
489 break;
490
491 icpu2 = atoi(cpu2);
492 }
493
494 icpu = atoi(cpu);
495 if (icpu2 == -1)
496 icpu2 = icpu;
497 while (icpu <= icpu2) {
6d459ee7 498 if (icpu >= FIO_MAX_CPUS) {
19608d6c 499 log_err("fio: your OS only supports up to"
6d459ee7 500 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 501 ret = 1;
502 break;
503 }
b03daafb
JA		 504 if (icpu > max_cpu) {
505 log_err("fio: CPU %d too large (max=%ld)\n",
506 icpu, max_cpu);
507 ret = 1;
508 break;
509 }
0b9d69ec 510
62a7273d 511 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 512 fio_cpu_set(mask, icpu);
62a7273d
JA		 513 icpu++;
514 }
19608d6c
JA		 515 if (ret)
516 break;
d2e268b0
JA		 517 }
518
519 free(p);
19608d6c
JA		 520 if (!ret)
521 td->o.cpumask_set = 1;
522 return ret;
214e1eca 523}
e8462bd8
JA		 524
525static int str_cpus_allowed_cb(void *data, const char *input)
526{
527 struct thread_data *td = data;
528 int ret;
529
52c0cea3
JA		 530 if (parse_dryrun())
531 return 0;
532
e8462bd8
JA		 533 ret = set_cpus_allowed(td, &td->o.cpumask, input);
534 if (!ret)
535 td->o.cpumask_set = 1;
536
537 return ret;
538}
539
540static int str_verify_cpus_allowed_cb(void *data, const char *input)
541{
542 struct thread_data *td = data;
543 int ret;
544
545 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
546 if (!ret)
547 td->o.verify_cpumask_set = 1;
548
549 return ret;
550}
d2e268b0 551#endif
214e1eca 552
67bf9823 553#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 554static int str_numa_cpunodes_cb(void *data, char *input)
555{
556 struct thread_data *td = data;
43522848 557 struct bitmask *verify_bitmask;
d0b937ed 558
52c0cea3
JA		 559 if (parse_dryrun())
560 return 0;
561
d0b937ed
YR		 562 /* numa_parse_nodestring() parses a character string list
563 * of nodes into a bit mask. The bit mask is allocated by
564 * numa_allocate_nodemask(), so it should be freed by
565 * numa_free_nodemask().
566 */
43522848
DG		 567 verify_bitmask = numa_parse_nodestring(input);
568 if (verify_bitmask == NULL) {
d0b937ed
YR		 569 log_err("fio: numa_parse_nodestring failed\n");
570 td_verror(td, 1, "str_numa_cpunodes_cb");
571 return 1;
572 }
43522848 573 numa_free_nodemask(verify_bitmask);
d0b937ed 574
43522848 575 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 576 td->o.numa_cpumask_set = 1;
577 return 0;
578}
579
580static int str_numa_mpol_cb(void *data, char *input)
581{
582 struct thread_data *td = data;
583 const char * const policy_types[] =
05d6f44b 584 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 585 int i;
52c0cea3 586 char *nodelist;
43522848 587 struct bitmask *verify_bitmask;
52c0cea3
JA		 588
589 if (parse_dryrun())
590 return 0;
d0b937ed 591
52c0cea3 592 nodelist = strchr(input, ':');
d0b937ed
YR		 593 if (nodelist) {
594 /* NUL-terminate mode */
595 *nodelist++ = '\0';
596 }
597
598 for (i = 0; i <= MPOL_LOCAL; i++) {
599 if (!strcmp(input, policy_types[i])) {
600 td->o.numa_mem_mode = i;
601 break;
602 }
603 }
604 if (i > MPOL_LOCAL) {
605 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
606 goto out;
607 }
608
609 switch (td->o.numa_mem_mode) {
610 case MPOL_PREFERRED:
611 /*
612 * Insist on a nodelist of one node only
613 */
614 if (nodelist) {
615 char *rest = nodelist;
616 while (isdigit(*rest))
617 rest++;
618 if (*rest) {
619 log_err("fio: one node only for \'prefer\'\n");
620 goto out;
621 }
622 } else {
623 log_err("fio: one node is needed for \'prefer\'\n");
624 goto out;
625 }
626 break;
627 case MPOL_INTERLEAVE:
628 /*
629 * Default to online nodes with memory if no nodelist
630 */
631 if (!nodelist)
632 nodelist = strdup("all");
633 break;
634 case MPOL_LOCAL:
635 case MPOL_DEFAULT:
636 /*
637 * Don't allow a nodelist
638 */
639 if (nodelist) {
640 log_err("fio: NO nodelist for \'local\'\n");
641 goto out;
642 }
643 break;
644 case MPOL_BIND:
645 /*
646 * Insist on a nodelist
647 */
648 if (!nodelist) {
649 log_err("fio: a nodelist is needed for \'bind\'\n");
650 goto out;
651 }
652 break;
653 }
654
655
656 /* numa_parse_nodestring() parses a character string list
657 * of nodes into a bit mask. The bit mask is allocated by
658 * numa_allocate_nodemask(), so it should be freed by
659 * numa_free_nodemask().
660 */
661 switch (td->o.numa_mem_mode) {
662 case MPOL_PREFERRED:
663 td->o.numa_mem_prefer_node = atoi(nodelist);
664 break;
665 case MPOL_INTERLEAVE:
666 case MPOL_BIND:
43522848
DG		 667 verify_bitmask = numa_parse_nodestring(nodelist);
668 if (verify_bitmask == NULL) {
d0b937ed
YR		 669 log_err("fio: numa_parse_nodestring failed\n");
670 td_verror(td, 1, "str_numa_memnodes_cb");
671 return 1;
672 }
43522848
DG		 673 td->o.numa_memnodes = strdup(nodelist);
674 numa_free_nodemask(verify_bitmask);
675
d0b937ed
YR		 676 break;
677 case MPOL_LOCAL:
678 case MPOL_DEFAULT:
679 default:
680 break;
681 }
682
683 td->o.numa_memmask_set = 1;
684 return 0;
685
686out:
687 return 1;
688}
689#endif
690
214e1eca
JA		 691static int str_fst_cb(void *data, const char *str)
692{
693 struct thread_data *td = data;
694 char *nr = get_opt_postfix(str);
695
696 td->file_service_nr = 1;
182ec6ee 697 if (nr) {
214e1eca 698 td->file_service_nr = atoi(nr);
182ec6ee
JA		 699 free(nr);
700 }
214e1eca
JA		 701
702 return 0;
703}
704
67bf9823 705#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 706static int str_sfr_cb(void *data, const char *str)
707{
708 struct thread_data *td = data;
709 char *nr = get_opt_postfix(str);
710
711 td->sync_file_range_nr = 1;
712 if (nr) {
713 td->sync_file_range_nr = atoi(nr);
714 free(nr);
715 }
716
717 return 0;
718}
3ae06371 719#endif
44f29692 720
e25839d4
JA		 721static int str_random_distribution_cb(void *data, const char *str)
722{
723 struct thread_data *td = data;
724 double val;
725 char *nr;
726
52c0cea3
JA		 727 if (parse_dryrun())
728 return 0;
729
925fee33
JA		 730 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
731 val = 1.1;
732 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
733 val = 0.2;
734 else
e25839d4
JA		 735 return 0;
736
737 nr = get_opt_postfix(str);
925fee33 738 if (nr && !str_to_float(nr, &val)) {
e25839d4
JA		 739 log_err("fio: random postfix parsing failed\n");
740 free(nr);
741 return 1;
742 }
743
078189c1
JA		 744 free(nr);
745
18ded917
JA		 746 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
747 if (val == 1.00) {
748 log_err("fio: zipf theta must different than 1.0\n");
749 return 1;
750 }
1e5324e7 751 td->o.zipf_theta.u.f = val;
18ded917 752 } else {
078189c1
JA		 753 if (val <= 0.00 || val >= 1.00) {
754 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
755 return 1;
756 }
1e5324e7 757 td->o.pareto_h.u.f = val;
fcef0b35 758 }
921c766f
JA		 759
760 return 0;
761}
762
8e827d35 763/*
bcbfeefa 764 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 765 * is escaped with a '\', then that ':' is part of the filename and does not
766 * indicate a new file.
767 */
bcbfeefa 768static char *get_next_name(char **ptr)
8e827d35
JA		 769{
770 char *str = *ptr;
771 char *p, *start;
772
773 if (!str || !strlen(str))
774 return NULL;
775
776 start = str;
777 do {
778 /*
779 * No colon, we are done
780 */
781 p = strchr(str, ':');
782 if (!p) {
783 *ptr = NULL;
784 break;
785 }
786
787 /*
788 * We got a colon, but it's the first character. Skip and
789 * continue
790 */
791 if (p == start) {
792 str = ++start;
793 continue;
794 }
795
796 if (*(p - 1) != '\\') {
797 *p = '\0';
798 *ptr = p + 1;
799 break;
800 }
801
802 memmove(p - 1, p, strlen(p) + 1);
803 str = p;
804 } while (1);
805
806 return start;
807}
808
bcbfeefa
CE		 809
810static int get_max_name_idx(char *input)
811{
812 unsigned int cur_idx;
813 char *str, *p;
814
815 p = str = strdup(input);
816 for (cur_idx = 0; ; cur_idx++)
817 if (get_next_name(&str) == NULL)
818 break;
819
820 free(p);
821 return cur_idx;
822}
823
824/*
825 * Returns the directory at the index, indexes > entires will be
826 * assigned via modulo division of the index
827 */
828int set_name_idx(char *target, char *input, int index)
829{
830 unsigned int cur_idx;
831 int len;
832 char *fname, *str, *p;
833
834 p = str = strdup(input);
835
836 index %= get_max_name_idx(input);
837 for (cur_idx = 0; cur_idx <= index; cur_idx++)
838 fname = get_next_name(&str);
839
840 len = sprintf(target, "%s/", fname);
841 free(p);
842
843 return len;
844}
845
214e1eca
JA		 846static int str_filename_cb(void *data, const char *input)
847{
848 struct thread_data *td = data;
849 char *fname, *str, *p;
850
851 p = str = strdup(input);
852
853 strip_blank_front(&str);
854 strip_blank_end(str);
855
856 if (!td->files_index)
2dc1bbeb 857 td->o.nr_files = 0;
214e1eca 858
bcbfeefa 859 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 860 if (!strlen(fname))
861 break;
5903e7b7 862 add_file(td, fname, 0, 1);
214e1eca
JA		 863 }
864
865 free(p);
866 return 0;
867}
868
bcbfeefa 869static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA		 870{
871 struct thread_data *td = data;
872 struct stat sb;
bcbfeefa
CE		 873 char *dirname, *str, *p;
874 int ret = 0;
214e1eca 875
f9633d72
JA		 876 if (parse_dryrun())
877 return 0;
878
bcbfeefa
CE		 879 p = str = strdup(td->o.directory);
880 while ((dirname = get_next_name(&str)) != NULL) {
881 if (lstat(dirname, &sb) < 0) {
882 ret = errno;
921c766f 883
bcbfeefa
CE		 884 log_err("fio: %s is not a directory\n", dirname);
885 td_verror(td, ret, "lstat");
886 goto out;
887 }
888 if (!S_ISDIR(sb.st_mode)) {
889 log_err("fio: %s is not a directory\n", dirname);
890 ret = 1;
891 goto out;
892 }
214e1eca
JA		 893 }
894
bcbfeefa
CE		 895out:
896 free(p);
897 return ret;
214e1eca
JA		 898}
899
f2a2803a
JA		 900static int str_lockfile_cb(void *data, const char fio_unused *str)
901{
902 struct thread_data *td = data;
903
904 if (td->files_index) {
905 log_err("fio: lockfile= option must precede filename=\n");
906 return 1;
907 }
908
909 return 0;
910}
911
214e1eca
JA		 912static int str_opendir_cb(void *data, const char fio_unused *str)
913{
914 struct thread_data *td = data;
915
52c0cea3
JA		 916 if (parse_dryrun())
917 return 0;
918
214e1eca 919 if (!td->files_index)
2dc1bbeb 920 td->o.nr_files = 0;
214e1eca 921
2dc1bbeb 922 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 923}
924
ce35b1ec
JA		 925static int pattern_cb(char *pattern, unsigned int max_size,
926 const char *input, unsigned int *pattern_bytes)
90059d65 927{
0e92f873 928 long off;
ce35b1ec
JA		 929 int i = 0, j = 0, len, k, base = 10;
930 uint32_t pattern_length;
3c3ed070 931 char *loc1, *loc2;
0e92f873
RR		 932
933 loc1 = strstr(input, "0x");
934 loc2 = strstr(input, "0X");
935 if (loc1 || loc2)
936 base = 16;
937 off = strtol(input, NULL, base);
938 if (off != LONG_MAX || errno != ERANGE) {
939 while (off) {
ce35b1ec 940 pattern[i] = off & 0xff;
0e92f873
RR		 941 off >>= 8;
942 i++;
943 }
944 } else {
945 len = strlen(input);
946 k = len - 1;
947 if (base == 16) {
948 if (loc1)
949 j = loc1 - input + 2;
950 else
951 j = loc2 - input + 2;
952 } else
953 return 1;
ce35b1ec 954 if (len - j < max_size * 2) {
0e92f873
RR		 955 while (k >= j) {
956 off = converthexchartoint(input[k--]);
957 if (k >= j)
958 off += (converthexchartoint(input[k--])
959 * 16);
ce35b1ec 960 pattern[i++] = (char) off;
0e92f873
RR		 961 }
962 }
963 }
efcd9dcc
SL		 964
965 /*
966 * Fill the pattern all the way to the end. This greatly reduces
967 * the number of memcpy's we have to do when verifying the IO.
968 */
e078de4a 969 pattern_length = i;
ce35b1ec
JA		 970 while (i > 1 && i * 2 <= max_size) {
971 memcpy(&pattern[i], &pattern[0], i);
efcd9dcc
SL		 972 i *= 2;
973 }
e078de4a
JA		 974
975 /*
976 * Fill remainder, if the pattern multiple ends up not being
ce35b1ec 977 * max_size.
e078de4a 978 */
ce35b1ec
JA		 979 while (i > 1 && i < max_size) {
980 unsigned int b = min(pattern_length, max_size - i);
e078de4a 981
ce35b1ec 982 memcpy(&pattern[i], &pattern[0], b);
e078de4a
JA		 983 i += b;
984 }
985
9a2a86d0
SL		 986 if (i == 1) {
987 /*
988 * The code in verify_io_u_pattern assumes a single byte pattern
989 * fills the whole verify pattern buffer.
990 */
ce35b1ec
JA		 991 memset(pattern, pattern[0], max_size);
992 }
993
994 *pattern_bytes = i;
995 return 0;
996}
997
998static int str_buffer_pattern_cb(void *data, const char *input)
999{
1000 struct thread_data *td = data;
1001 int ret;
1002
1003 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
1004 &td->o.buffer_pattern_bytes);
1005
1006 if (!ret) {
1007 td->o.refill_buffers = 0;
1008 td->o.scramble_buffers = 0;
1009 td->o.zero_buffers = 0;
9a2a86d0 1010 }
efcd9dcc 1011
ce35b1ec
JA		 1012 return ret;
1013}
1014
bedc9dc2
JA		 1015static int str_buffer_compress_cb(void *data, unsigned long long *il)
1016{
1017 struct thread_data *td = data;
1018
1019 td->flags |= TD_F_COMPRESS;
1020 td->o.compress_percentage = *il;
1021 return 0;
1022}
1023
ce35b1ec
JA		 1024static int str_verify_pattern_cb(void *data, const char *input)
1025{
1026 struct thread_data *td = data;
1027 int ret;
1028
1029 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1030 &td->o.verify_pattern_bytes);
efcd9dcc 1031
92bf48d5
JA		 1032 /*
1033 * VERIFY_META could already be set
1034 */
ce35b1ec 1035 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 1036 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1037
ce35b1ec 1038 return ret;
90059d65 1039}
214e1eca 1040
993bf48b
JA		 1041static int str_gtod_reduce_cb(void *data, int *il)
1042{
1043 struct thread_data *td = data;
1044 int val = *il;
1045
02af0988 1046 td->o.disable_lat = !!val;
993bf48b
JA		 1047 td->o.disable_clat = !!val;
1048 td->o.disable_slat = !!val;
1049 td->o.disable_bw = !!val;
0dc1bc03 1050 td->o.clat_percentiles = !val;
993bf48b
JA		 1051 if (val)
1052 td->tv_cache_mask = 63;
1053
1054 return 0;
1055}
1056
85bc833b 1057static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA		 1058{
1059 struct thread_data *td = data;
1060 int val = *il;
1061
1062 td->o.gtod_cpu = val;
1063 td->o.gtod_offload = 1;
1064 return 0;
1065}
1066
7bb59102
JA		 1067static int str_size_cb(void *data, unsigned long long *__val)
1068{
1069 struct thread_data *td = data;
1070 unsigned long long v = *__val;
1071
1072 if (parse_is_percent(v)) {
1073 td->o.size = 0;
1074 td->o.size_percent = -1ULL - v;
1075 } else
1076 td->o.size = v;
1077
1078 return 0;
1079}
1080
896cac2a
JA		 1081static int rw_verify(struct fio_option *o, void *data)
1082{
1083 struct thread_data *td = data;
1084
1085 if (read_only && td_write(td)) {
1086 log_err("fio: job <%s> has write bit set, but fio is in"
1087 " read-only mode\n", td->o.name);
1088 return 1;
1089 }
1090
1091 return 0;
1092}
1093
276ca4f7 1094static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1095{
276ca4f7 1096#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1097 struct thread_data *td = data;
1098
29d43ff9
JA		 1099 if (td->o.gtod_cpu) {
1100 log_err("fio: platform must support CPU affinity for"
1101 "gettimeofday() offloading\n");
1102 return 1;
1103 }
1104#endif
1105
1106 return 0;
1107}
1108
9af4a244
JA		 1109/*
1110 * Option grouping
1111 */
1112static struct opt_group fio_opt_groups[] = {
1113 {
e8b0e958
JA		 1114 .name = "General",
1115 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 1116 },
1117 {
e8b0e958
JA		 1118 .name = "I/O",
1119 .mask = FIO_OPT_C_IO,
9af4a244
JA		 1120 },
1121 {
e8b0e958
JA		 1122 .name = "File",
1123 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 1124 },
1125 {
e8b0e958
JA		 1126 .name = "Statistics",
1127 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 1128 },
1129 {
e8b0e958
JA		 1130 .name = "Logging",
1131 .mask = FIO_OPT_C_LOG,
9af4a244 1132 },
13fca827
JA		 1133 {
1134 .name = "Profiles",
1135 .mask = FIO_OPT_C_PROFILE,
1136 },
e231bbe6 1137 {
e8b0e958 1138 .name = NULL,
e231bbe6 1139 },
e8b0e958
JA		 1140};
1141
1142static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1143 unsigned int inv_mask)
1144{
1145 struct opt_group *og;
1146 int i;
1147
1148 if (*mask == inv_mask || !*mask)
1149 return NULL;
1150
1151 for (i = 0; ogs[i].name; i++) {
1152 og = &ogs[i];
1153
1154 if (*mask & og->mask) {
1155 *mask &= ~(og->mask);
1156 return og;
1157 }
1158 }
1159
1160 return NULL;
1161}
1162
1163struct opt_group *opt_group_from_mask(unsigned int *mask)
1164{
1165 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1166}
1167
1168static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA		 1169 {
1170 .name = "Latency profiling",
1171 .mask = FIO_OPT_G_LATPROF,
1172 },
9af4a244 1173 {
e8b0e958
JA		 1174 .name = "Rate",
1175 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1176 },
1177 {
e8b0e958
JA		 1178 .name = "Zone",
1179 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1180 },
1181 {
e8b0e958
JA		 1182 .name = "Read/write mix",
1183 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1184 },
1185 {
1186 .name = "Verify",
1187 .mask = FIO_OPT_G_VERIFY,
1188 },
1189 {
e8b0e958
JA		 1190 .name = "Trim",
1191 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1192 },
1193 {
e8b0e958
JA		 1194 .name = "I/O Logging",
1195 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1196 },
1197 {
e8b0e958
JA		 1198 .name = "I/O Depth",
1199 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1200 },
1201 {
e8b0e958
JA		 1202 .name = "I/O Flow",
1203 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1204 },
0626037e
JA		 1205 {
1206 .name = "Description",
1207 .mask = FIO_OPT_G_DESC,
1208 },
1209 {
1210 .name = "Filename",
1211 .mask = FIO_OPT_G_FILENAME,
1212 },
1213 {
1214 .name = "General I/O",
1215 .mask = FIO_OPT_G_IO_BASIC,
1216 },
a1f6afec
JA		 1217 {
1218 .name = "Cgroups",
1219 .mask = FIO_OPT_G_CGROUP,
1220 },
1221 {
1222 .name = "Runtime",
1223 .mask = FIO_OPT_G_RUNTIME,
1224 },
10860056
JA		 1225 {
1226 .name = "Process",
1227 .mask = FIO_OPT_G_PROCESS,
1228 },
1229 {
1230 .name = "Job credentials / priority",
1231 .mask = FIO_OPT_G_CRED,
1232 },
1233 {
1234 .name = "Clock settings",
1235 .mask = FIO_OPT_G_CLOCK,
1236 },
3ceb458f
JA		 1237 {
1238 .name = "I/O Type",
1239 .mask = FIO_OPT_G_IO_TYPE,
1240 },
1241 {
1242 .name = "I/O Thinktime",
1243 .mask = FIO_OPT_G_THINKTIME,
1244 },
1245 {
1246 .name = "Randomizations",
1247 .mask = FIO_OPT_G_RANDOM,
1248 },
1249 {
1250 .name = "I/O buffers",
1251 .mask = FIO_OPT_G_IO_BUF,
1252 },
13fca827
JA		 1253 {
1254 .name = "Tiobench profile",
1255 .mask = FIO_OPT_G_TIOBENCH,
1256 },
1257
9af4a244
JA		 1258 {
1259 .name = NULL,
e8b0e958 1260 }
9af4a244
JA		 1261};
1262
e8b0e958 1263struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1264{
e8b0e958 1265 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1266}
1267
214e1eca
JA		 1268/*
1269 * Map of job/command line options
1270 */
9af4a244 1271struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1272 {
1273 .name = "description",
e8b0e958 1274 .lname = "Description of job",
214e1eca
JA		 1275 .type = FIO_OPT_STR_STORE,
1276 .off1 = td_var_offset(description),
1277 .help = "Text job description",
e8b0e958 1278 .category = FIO_OPT_C_GENERAL,
0626037e 1279 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1280 },
1281 {
1282 .name = "name",
e8b0e958 1283 .lname = "Job name",
214e1eca
JA		 1284 .type = FIO_OPT_STR_STORE,
1285 .off1 = td_var_offset(name),
1286 .help = "Name of this job",
e8b0e958 1287 .category = FIO_OPT_C_GENERAL,
0626037e 1288 .group = FIO_OPT_G_DESC,
214e1eca 1289 },
214e1eca
JA		 1290 {
1291 .name = "filename",
e8b0e958 1292 .lname = "Filename(s)",
214e1eca
JA		 1293 .type = FIO_OPT_STR_STORE,
1294 .off1 = td_var_offset(filename),
1295 .cb = str_filename_cb,
f0d524b0 1296 .prio = -1, /* must come after "directory" */
214e1eca 1297 .help = "File(s) to use for the workload",
e8b0e958 1298 .category = FIO_OPT_C_FILE,
0626037e 1299 .group = FIO_OPT_G_FILENAME,
214e1eca 1300 },
90fef2d1 1301 {
e8b0e958
JA		 1302 .name = "directory",
1303 .lname = "Directory",
1304 .type = FIO_OPT_STR_STORE,
1305 .off1 = td_var_offset(directory),
1306 .cb = str_directory_cb,
1307 .help = "Directory to store files in",
1308 .category = FIO_OPT_C_FILE,
0626037e 1309 .group = FIO_OPT_G_FILENAME,
90fef2d1 1310 },
de98bd30
JA		 1311 {
1312 .name = "filename_format",
1313 .type = FIO_OPT_STR_STORE,
1314 .off1 = td_var_offset(filename_format),
1315 .prio = -1, /* must come after "directory" */
1316 .help = "Override default $jobname.$jobnum.$filenum naming",
1317 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1318 .category = FIO_OPT_C_FILE,
1319 .group = FIO_OPT_G_FILENAME,
ad705bcb 1320 },
29c1349f
JA		 1321 {
1322 .name = "lockfile",
e8b0e958 1323 .lname = "Lockfile",
4d4e80f2 1324 .type = FIO_OPT_STR,
4d4e80f2 1325 .off1 = td_var_offset(file_lock_mode),
29c1349f 1326 .help = "Lock file when doing IO to it",
bc6a0a5d 1327 .prio = 1,
29c1349f 1328 .parent = "filename",
d71c154c 1329 .hide = 0,
4d4e80f2 1330 .def = "none",
f2a2803a 1331 .cb = str_lockfile_cb,
e8b0e958 1332 .category = FIO_OPT_C_FILE,
0626037e 1333 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1334 .posval = {
1335 { .ival = "none",
1336 .oval = FILE_LOCK_NONE,
1337 .help = "No file locking",
1338 },
1339 { .ival = "exclusive",
1340 .oval = FILE_LOCK_EXCLUSIVE,
1341 .help = "Exclusive file lock",
1342 },
1343 {
1344 .ival = "readwrite",
1345 .oval = FILE_LOCK_READWRITE,
1346 .help = "Read vs write lock",
1347 },
1348 },
29c1349f 1349 },
214e1eca
JA		 1350 {
1351 .name = "opendir",
e8b0e958 1352 .lname = "Open directory",
214e1eca
JA		 1353 .type = FIO_OPT_STR_STORE,
1354 .off1 = td_var_offset(opendir),
1355 .cb = str_opendir_cb,
1356 .help = "Recursively add files from this directory and down",
e8b0e958 1357 .category = FIO_OPT_C_FILE,
0626037e 1358 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1359 },
1360 {
1361 .name = "rw",
e8b0e958 1362 .lname = "Read/write",
d3aad8f2 1363 .alias = "readwrite",
214e1eca 1364 .type = FIO_OPT_STR,
211097b2 1365 .cb = str_rw_cb,
214e1eca
JA		 1366 .off1 = td_var_offset(td_ddir),
1367 .help = "IO direction",
1368 .def = "read",
896cac2a 1369 .verify = rw_verify,
e8b0e958 1370 .category = FIO_OPT_C_IO,
0626037e 1371 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1372 .posval = {
1373 { .ival = "read",
1374 .oval = TD_DDIR_READ,
1375 .help = "Sequential read",
1376 },
1377 { .ival = "write",
1378 .oval = TD_DDIR_WRITE,
1379 .help = "Sequential write",
1380 },
6eaf09d6
SL		 1381 { .ival = "trim",
1382 .oval = TD_DDIR_TRIM,
1383 .help = "Sequential trim",
1384 },
214e1eca
JA		 1385 { .ival = "randread",
1386 .oval = TD_DDIR_RANDREAD,
1387 .help = "Random read",
1388 },
1389 { .ival = "randwrite",
1390 .oval = TD_DDIR_RANDWRITE,
1391 .help = "Random write",
1392 },
6eaf09d6
SL		 1393 { .ival = "randtrim",
1394 .oval = TD_DDIR_RANDTRIM,
1395 .help = "Random trim",
1396 },
214e1eca
JA		 1397 { .ival = "rw",
1398 .oval = TD_DDIR_RW,
1399 .help = "Sequential read and write mix",
1400 },
10b023db
JA		 1401 { .ival = "readwrite",
1402 .oval = TD_DDIR_RW,
1403 .help = "Sequential read and write mix",
1404 },
214e1eca
JA		 1405 { .ival = "randrw",
1406 .oval = TD_DDIR_RANDRW,
1407 .help = "Random read and write mix"
1408 },
1409 },
1410 },
38dad62d
JA		 1411 {
1412 .name = "rw_sequencer",
e8b0e958 1413 .lname = "RW Sequencer",
38dad62d
JA		 1414 .type = FIO_OPT_STR,
1415 .off1 = td_var_offset(rw_seq),
1416 .help = "IO offset generator modifier",
1417 .def = "sequential",
e8b0e958 1418 .category = FIO_OPT_C_IO,
0626037e 1419 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1420 .posval = {
1421 { .ival = "sequential",
1422 .oval = RW_SEQ_SEQ,
1423 .help = "Generate sequential offsets",
1424 },
1425 { .ival = "identical",
1426 .oval = RW_SEQ_IDENT,
1427 .help = "Generate identical offsets",
1428 },
1429 },
1430 },
1431
214e1eca
JA		 1432 {
1433 .name = "ioengine",
e8b0e958 1434 .lname = "IO Engine",
214e1eca
JA		 1435 .type = FIO_OPT_STR_STORE,
1436 .off1 = td_var_offset(ioengine),
1437 .help = "IO engine to use",
58483fa4 1438 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1439 .category = FIO_OPT_C_IO,
0626037e 1440 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1441 .posval = {
1442 { .ival = "sync",
1443 .help = "Use read/write",
1444 },
a31041ea 1445 { .ival = "psync",
1446 .help = "Use pread/pwrite",
1447 },
1d2af02a 1448 { .ival = "vsync",
03e20d68 1449 .help = "Use readv/writev",
1d2af02a 1450 },
07fc0acd
JA		 1451#ifdef CONFIG_PWRITEV
1452 { .ival = "pvsync",
1453 .help = "Use preadv/pwritev",
1454 },
1455#endif
67bf9823 1456#ifdef CONFIG_LIBAIO
214e1eca
JA		 1457 { .ival = "libaio",
1458 .help = "Linux native asynchronous IO",
1459 },
1460#endif
67bf9823 1461#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1462 { .ival = "posixaio",
1463 .help = "POSIX asynchronous IO",
1464 },
417f0068 1465#endif
997843cb 1466#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1467 { .ival = "solarisaio",
1468 .help = "Solaris native asynchronous IO",
1469 },
214e1eca 1470#endif
4700b234 1471#ifdef CONFIG_WINDOWSAIO
03e20d68 1472 { .ival = "windowsaio",
3be80071 1473 .help = "Windows native asynchronous IO"
de890a1e 1474 },
fc5c0345
DG		 1475#endif
1476#ifdef CONFIG_RBD
1477 { .ival = "rbd",
1478 .help = "Rados Block Device asynchronous IO"
1479 },
3be80071 1480#endif
214e1eca 1481 { .ival = "mmap",
03e20d68 1482 .help = "Memory mapped IO"
214e1eca 1483 },
67bf9823 1484#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1485 { .ival = "splice",
1486 .help = "splice/vmsplice based IO",
1487 },
9cce02e8
JA		 1488 { .ival = "netsplice",
1489 .help = "splice/vmsplice to/from the network",
1490 },
214e1eca
JA		 1491#endif
1492#ifdef FIO_HAVE_SGIO
1493 { .ival = "sg",
1494 .help = "SCSI generic v3 IO",
1495 },
1496#endif
1497 { .ival = "null",
1498 .help = "Testing engine (no data transfer)",
1499 },
1500 { .ival = "net",
1501 .help = "Network IO",
1502 },
214e1eca 1503 { .ival = "cpuio",
03e20d68 1504 .help = "CPU cycle burner engine",
214e1eca 1505 },
67bf9823 1506#ifdef CONFIG_GUASI
b8c82a46
JA		 1507 { .ival = "guasi",
1508 .help = "GUASI IO engine",
1509 },
79a43187
JA		 1510#endif
1511#ifdef FIO_HAVE_BINJECT
1512 { .ival = "binject",
1513 .help = "binject direct inject block engine",
1514 },
21b8aee8 1515#endif
67bf9823 1516#ifdef CONFIG_RDMA
21b8aee8 1517 { .ival = "rdma",
1518 .help = "RDMA IO engine",
1519 },
8200b8c7 1520#endif
67bf9823 1521#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1522 { .ival = "fusion-aw-sync",
1523 .help = "Fusion-io atomic write engine",
1524 },
1ecc95ca 1525#endif
997843cb 1526#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1527 { .ival = "e4defrag",
1528 .help = "ext4 defrag engine",
1529 },
1530#endif
997843cb 1531#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1532 { .ival = "falloc",
1533 .help = "fallocate() file based engine",
1534 },
b8c82a46 1535#endif
a7c386f4 1536#ifdef CONFIG_GFAPI
1537 { .ival = "gfapi",
cc47f094 1538 .help = "Glusterfs libgfapi(sync) based engine"
1539 },
1540 { .ival = "gfapi_async",
1541 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1542 },
1543#endif
1544
214e1eca
JA		 1545 { .ival = "external",
1546 .help = "Load external engine (append name)",
1547 },
1548 },
1549 },
1550 {
1551 .name = "iodepth",
e8b0e958 1552 .lname = "IO Depth",
214e1eca
JA		 1553 .type = FIO_OPT_INT,
1554 .off1 = td_var_offset(iodepth),
03e20d68 1555 .help = "Number of IO buffers to keep in flight",
757aff4f 1556 .minval = 1,
20eb06bd 1557 .interval = 1,
214e1eca 1558 .def = "1",
e8b0e958 1559 .category = FIO_OPT_C_IO,
0626037e 1560 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1561 },
1562 {
1563 .name = "iodepth_batch",
e8b0e958 1564 .lname = "IO Depth batch",
4950421a 1565 .alias = "iodepth_batch_submit",
214e1eca
JA		 1566 .type = FIO_OPT_INT,
1567 .off1 = td_var_offset(iodepth_batch),
d65db441 1568 .help = "Number of IO buffers to submit in one go",
afdf9352 1569 .parent = "iodepth",
d71c154c 1570 .hide = 1,
a2e6f8ac 1571 .minval = 1,
20eb06bd 1572 .interval = 1,
a2e6f8ac 1573 .def = "1",
e8b0e958 1574 .category = FIO_OPT_C_IO,
0626037e 1575 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1576 },
1577 {
1578 .name = "iodepth_batch_complete",
e8b0e958 1579 .lname = "IO Depth batch complete",
4950421a
JA		 1580 .type = FIO_OPT_INT,
1581 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1582 .help = "Number of IO buffers to retrieve in one go",
4950421a 1583 .parent = "iodepth",
d71c154c 1584 .hide = 1,
4950421a 1585 .minval = 0,
20eb06bd 1586 .interval = 1,
4950421a 1587 .def = "1",
e8b0e958 1588 .category = FIO_OPT_C_IO,
0626037e 1589 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1590 },
1591 {
1592 .name = "iodepth_low",
e8b0e958 1593 .lname = "IO Depth batch low",
214e1eca
JA		 1594 .type = FIO_OPT_INT,
1595 .off1 = td_var_offset(iodepth_low),
1596 .help = "Low water mark for queuing depth",
afdf9352 1597 .parent = "iodepth",
d71c154c 1598 .hide = 1,
20eb06bd 1599 .interval = 1,
e8b0e958 1600 .category = FIO_OPT_C_IO,
0626037e 1601 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1602 },
1603 {
1604 .name = "size",
e8b0e958 1605 .lname = "Size",
214e1eca 1606 .type = FIO_OPT_STR_VAL,
7bb59102 1607 .cb = str_size_cb,
214e1eca 1608 .help = "Total size of device or files",
20eb06bd 1609 .interval = 1024 * 1024,
e8b0e958
JA		 1610 .category = FIO_OPT_C_IO,
1611 .group = FIO_OPT_G_INVALID,
214e1eca 1612 },
77731b29
JA		 1613 {
1614 .name = "io_limit",
1615 .lname = "IO Limit",
1616 .type = FIO_OPT_STR_VAL,
1617 .off1 = td_var_offset(io_limit),
1618 .interval = 1024 * 1024,
1619 .category = FIO_OPT_C_IO,
1620 .group = FIO_OPT_G_INVALID,
1621 },
aa31f1f1
SL		 1622 {
1623 .name = "fill_device",
e8b0e958 1624 .lname = "Fill device",
74586c1e 1625 .alias = "fill_fs",
aa31f1f1
SL		 1626 .type = FIO_OPT_BOOL,
1627 .off1 = td_var_offset(fill_device),
1628 .help = "Write until an ENOSPC error occurs",
1629 .def = "0",
e8b0e958
JA		 1630 .category = FIO_OPT_C_FILE,
1631 .group = FIO_OPT_G_INVALID,
aa31f1f1 1632 },
214e1eca
JA		 1633 {
1634 .name = "filesize",
e8b0e958 1635 .lname = "File size",
214e1eca
JA		 1636 .type = FIO_OPT_STR_VAL,
1637 .off1 = td_var_offset(file_size_low),
1638 .off2 = td_var_offset(file_size_high),
c3edbdba 1639 .minval = 1,
214e1eca 1640 .help = "Size of individual files",
20eb06bd 1641 .interval = 1024 * 1024,
e8b0e958
JA		 1642 .category = FIO_OPT_C_FILE,
1643 .group = FIO_OPT_G_INVALID,
214e1eca 1644 },
bedc9dc2
JA		 1645 {
1646 .name = "file_append",
1647 .lname = "File append",
1648 .type = FIO_OPT_BOOL,
1649 .off1 = td_var_offset(file_append),
1650 .help = "IO will start at the end of the file(s)",
1651 .def = "0",
1652 .category = FIO_OPT_C_FILE,
1653 .group = FIO_OPT_G_INVALID,
1654 },
67a1000f
JA		 1655 {
1656 .name = "offset",
e8b0e958 1657 .lname = "IO offset",
67a1000f
JA		 1658 .alias = "fileoffset",
1659 .type = FIO_OPT_STR_VAL,
1660 .off1 = td_var_offset(start_offset),
1661 .help = "Start IO from this offset",
1662 .def = "0",
20eb06bd 1663 .interval = 1024 * 1024,
e8b0e958
JA		 1664 .category = FIO_OPT_C_IO,
1665 .group = FIO_OPT_G_INVALID,
67a1000f 1666 },
2d7cd868
JA		 1667 {
1668 .name = "offset_increment",
e8b0e958 1669 .lname = "IO offset increment",
2d7cd868
JA		 1670 .type = FIO_OPT_STR_VAL,
1671 .off1 = td_var_offset(offset_increment),
1672 .help = "What is the increment from one offset to the next",
1673 .parent = "offset",
d71c154c 1674 .hide = 1,
2d7cd868 1675 .def = "0",
20eb06bd 1676 .interval = 1024 * 1024,
e8b0e958
JA		 1677 .category = FIO_OPT_C_IO,
1678 .group = FIO_OPT_G_INVALID,
2d7cd868 1679 },
ddf24e42
JA		 1680 {
1681 .name = "number_ios",
1682 .lname = "Number of IOs to perform",
1683 .type = FIO_OPT_STR_VAL,
1684 .off1 = td_var_offset(number_ios),
1685 .help = "Force job completion of this number of IOs",
1686 .def = "0",
1687 .category = FIO_OPT_C_IO,
1688 .group = FIO_OPT_G_INVALID,
1689 },
214e1eca
JA		 1690 {
1691 .name = "bs",
e8b0e958 1692 .lname = "Block size",
d3aad8f2 1693 .alias = "blocksize",
e01b22b8 1694 .type = FIO_OPT_INT,
214e1eca
JA		 1695 .off1 = td_var_offset(bs[DDIR_READ]),
1696 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1697 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1698 .minval = 1,
214e1eca
JA		 1699 .help = "Block size unit",
1700 .def = "4k",
67a1000f 1701 .parent = "rw",
d71c154c 1702 .hide = 1,
20eb06bd 1703 .interval = 512,
e8b0e958
JA		 1704 .category = FIO_OPT_C_IO,
1705 .group = FIO_OPT_G_INVALID,
214e1eca 1706 },
2b7a01d0
JA		 1707 {
1708 .name = "ba",
e8b0e958 1709 .lname = "Block size align",
2b7a01d0 1710 .alias = "blockalign",
e01b22b8 1711 .type = FIO_OPT_INT,
2b7a01d0
JA		 1712 .off1 = td_var_offset(ba[DDIR_READ]),
1713 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1714 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1715 .minval = 1,
1716 .help = "IO block offset alignment",
1717 .parent = "rw",
d71c154c 1718 .hide = 1,
20eb06bd 1719 .interval = 512,
e8b0e958
JA		 1720 .category = FIO_OPT_C_IO,
1721 .group = FIO_OPT_G_INVALID,
2b7a01d0 1722 },
214e1eca
JA		 1723 {
1724 .name = "bsrange",
e8b0e958 1725 .lname = "Block size range",
d3aad8f2 1726 .alias = "blocksize_range",
214e1eca
JA		 1727 .type = FIO_OPT_RANGE,
1728 .off1 = td_var_offset(min_bs[DDIR_READ]),
1729 .off2 = td_var_offset(max_bs[DDIR_READ]),
1730 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1731 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1732 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1733 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1734 .minval = 1,
214e1eca 1735 .help = "Set block size range (in more detail than bs)",
67a1000f 1736 .parent = "rw",
d71c154c 1737 .hide = 1,
20eb06bd 1738 .interval = 4096,
e8b0e958
JA		 1739 .category = FIO_OPT_C_IO,
1740 .group = FIO_OPT_G_INVALID,
214e1eca 1741 },
564ca972
JA		 1742 {
1743 .name = "bssplit",
e8b0e958 1744 .lname = "Block size split",
564ca972
JA		 1745 .type = FIO_OPT_STR,
1746 .cb = str_bssplit_cb,
1747 .help = "Set a specific mix of block sizes",
1748 .parent = "rw",
d71c154c 1749 .hide = 1,
e8b0e958
JA		 1750 .category = FIO_OPT_C_IO,
1751 .group = FIO_OPT_G_INVALID,
564ca972 1752 },
214e1eca
JA		 1753 {
1754 .name = "bs_unaligned",
e8b0e958 1755 .lname = "Block size unaligned",
d3aad8f2 1756 .alias = "blocksize_unaligned",
214e1eca
JA		 1757 .type = FIO_OPT_STR_SET,
1758 .off1 = td_var_offset(bs_unaligned),
1759 .help = "Don't sector align IO buffer sizes",
67a1000f 1760 .parent = "rw",
d71c154c 1761 .hide = 1,
e8b0e958
JA		 1762 .category = FIO_OPT_C_IO,
1763 .group = FIO_OPT_G_INVALID,
214e1eca 1764 },
6aca9b3d
JA		 1765 {
1766 .name = "bs_is_seq_rand",
1767 .lname = "Block size division is seq/random (not read/write)",
1768 .type = FIO_OPT_BOOL,
1769 .off1 = td_var_offset(bs_is_seq_rand),
1770 .help = "Consider any blocksize setting to be sequential,ramdom",
1771 .def = "0",
1772 .parent = "blocksize",
1773 .category = FIO_OPT_C_IO,
1774 .group = FIO_OPT_G_INVALID,
1775 },
214e1eca
JA		 1776 {
1777 .name = "randrepeat",
e8b0e958 1778 .lname = "Random repeatable",
214e1eca
JA		 1779 .type = FIO_OPT_BOOL,
1780 .off1 = td_var_offset(rand_repeatable),
1781 .help = "Use repeatable random IO pattern",
1782 .def = "1",
67a1000f 1783 .parent = "rw",
d71c154c 1784 .hide = 1,
e8b0e958 1785 .category = FIO_OPT_C_IO,
3ceb458f 1786 .group = FIO_OPT_G_RANDOM,
214e1eca 1787 },
04778baf
JA		 1788 {
1789 .name = "randseed",
1790 .lname = "The random generator seed",
363cffa7 1791 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1792 .off1 = td_var_offset(rand_seed),
1793 .help = "Set the random generator seed value",
1794 .parent = "rw",
1795 .category = FIO_OPT_C_IO,
1796 .group = FIO_OPT_G_RANDOM,
1797 },
2615cc4b
JA		 1798 {
1799 .name = "use_os_rand",
e8b0e958 1800 .lname = "Use OS random",
2615cc4b
JA		 1801 .type = FIO_OPT_BOOL,
1802 .off1 = td_var_offset(use_os_rand),
1803 .help = "Set to use OS random generator",
1804 .def = "0",
1805 .parent = "rw",
d71c154c 1806 .hide = 1,
e8b0e958 1807 .category = FIO_OPT_C_IO,
3ceb458f 1808 .group = FIO_OPT_G_RANDOM,
2615cc4b 1809 },
214e1eca
JA		 1810 {
1811 .name = "norandommap",
e8b0e958 1812 .lname = "No randommap",
214e1eca
JA		 1813 .type = FIO_OPT_STR_SET,
1814 .off1 = td_var_offset(norandommap),
1815 .help = "Accept potential duplicate random blocks",
67a1000f 1816 .parent = "rw",
d71c154c 1817 .hide = 1,
b2452a43 1818 .hide_on_set = 1,
e8b0e958 1819 .category = FIO_OPT_C_IO,
3ceb458f 1820 .group = FIO_OPT_G_RANDOM,
214e1eca 1821 },
2b386d25
JA		 1822 {
1823 .name = "softrandommap",
e8b0e958 1824 .lname = "Soft randommap",
2b386d25
JA		 1825 .type = FIO_OPT_BOOL,
1826 .off1 = td_var_offset(softrandommap),
f66ab3c8 1827 .help = "Set norandommap if randommap allocation fails",
2b386d25 1828 .parent = "norandommap",
d71c154c 1829 .hide = 1,
2b386d25 1830 .def = "0",
e8b0e958 1831 .category = FIO_OPT_C_IO,
3ceb458f 1832 .group = FIO_OPT_G_RANDOM,
2b386d25 1833 },
8055e41d
JA		 1834 {
1835 .name = "random_generator",
1836 .type = FIO_OPT_STR,
1837 .off1 = td_var_offset(random_generator),
1838 .help = "Type of random number generator to use",
1839 .def = "tausworthe",
1840 .posval = {
1841 { .ival = "tausworthe",
1842 .oval = FIO_RAND_GEN_TAUSWORTHE,
1843 .help = "Strong Tausworthe generator",
1844 },
1845 { .ival = "lfsr",
1846 .oval = FIO_RAND_GEN_LFSR,
1847 .help = "Variable length LFSR",
1848 },
1849 },
48107598
JA		 1850 .category = FIO_OPT_C_IO,
1851 .group = FIO_OPT_G_RANDOM,
8055e41d 1852 },
e25839d4
JA		 1853 {
1854 .name = "random_distribution",
1855 .type = FIO_OPT_STR,
1856 .off1 = td_var_offset(random_distribution),
1857 .cb = str_random_distribution_cb,
1858 .help = "Random offset distribution generator",
1859 .def = "random",
1860 .posval = {
1861 { .ival = "random",
1862 .oval = FIO_RAND_DIST_RANDOM,
1863 .help = "Completely random",
1864 },
1865 { .ival = "zipf",
1866 .oval = FIO_RAND_DIST_ZIPF,
1867 .help = "Zipf distribution",
1868 },
925fee33
JA		 1869 { .ival = "pareto",
1870 .oval = FIO_RAND_DIST_PARETO,
1871 .help = "Pareto distribution",
1872 },
e25839d4 1873 },
48107598
JA		 1874 .category = FIO_OPT_C_IO,
1875 .group = FIO_OPT_G_RANDOM,
e25839d4 1876 },
211c9b89
JA		 1877 {
1878 .name = "percentage_random",
1879 .lname = "Percentage Random",
1880 .type = FIO_OPT_INT,
d9472271
JA		 1881 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1882 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1883 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1884 .maxval = 100,
1885 .help = "Percentage of seq/random mix that should be random",
d9472271 1886 .def = "100,100,100",
211c9b89
JA		 1887 .interval = 5,
1888 .inverse = "percentage_sequential",
1889 .category = FIO_OPT_C_IO,
1890 .group = FIO_OPT_G_RANDOM,
1891 },
1892 {
1893 .name = "percentage_sequential",
1894 .lname = "Percentage Sequential",
d9472271 1895 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1896 .category = FIO_OPT_C_IO,
1897 .group = FIO_OPT_G_RANDOM,
1898 },
56e2a5fc
CE		 1899 {
1900 .name = "allrandrepeat",
1901 .type = FIO_OPT_BOOL,
1902 .off1 = td_var_offset(allrand_repeatable),
1903 .help = "Use repeatable random numbers for everything",
1904 .def = "0",
a869d9c6
JA		 1905 .category = FIO_OPT_C_IO,
1906 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1907 },
214e1eca
JA		 1908 {
1909 .name = "nrfiles",
e8b0e958 1910 .lname = "Number of files",
d7c8be03 1911 .alias = "nr_files",
214e1eca
JA		 1912 .type = FIO_OPT_INT,
1913 .off1 = td_var_offset(nr_files),
1914 .help = "Split job workload between this number of files",
1915 .def = "1",
20eb06bd 1916 .interval = 1,
e8b0e958
JA		 1917 .category = FIO_OPT_C_FILE,
1918 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1919 },
1920 {
1921 .name = "openfiles",
e8b0e958 1922 .lname = "Number of open files",
214e1eca
JA		 1923 .type = FIO_OPT_INT,
1924 .off1 = td_var_offset(open_files),
1925 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1926 .category = FIO_OPT_C_FILE,
1927 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1928 },
1929 {
1930 .name = "file_service_type",
e8b0e958 1931 .lname = "File service type",
214e1eca
JA		 1932 .type = FIO_OPT_STR,
1933 .cb = str_fst_cb,
1934 .off1 = td_var_offset(file_service_type),
1935 .help = "How to select which file to service next",
1936 .def = "roundrobin",
e8b0e958
JA		 1937 .category = FIO_OPT_C_FILE,
1938 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1939 .posval = {
1940 { .ival = "random",
1941 .oval = FIO_FSERVICE_RANDOM,
1942 .help = "Choose a file at random",
1943 },
1944 { .ival = "roundrobin",
1945 .oval = FIO_FSERVICE_RR,
1946 .help = "Round robin select files",
1947 },
a086c257
JA		 1948 { .ival = "sequential",
1949 .oval = FIO_FSERVICE_SEQ,
1950 .help = "Finish one file before moving to the next",
1951 },
214e1eca 1952 },
67a1000f 1953 .parent = "nrfiles",
d71c154c 1954 .hide = 1,
67a1000f 1955 },
97ac992c 1956#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 1957 {
1958 .name = "fallocate",
e8b0e958 1959 .lname = "Fallocate",
a596f047
EG		 1960 .type = FIO_OPT_STR,
1961 .off1 = td_var_offset(fallocate_mode),
1962 .help = "Whether pre-allocation is performed when laying out files",
1963 .def = "posix",
e8b0e958
JA		 1964 .category = FIO_OPT_C_FILE,
1965 .group = FIO_OPT_G_INVALID,
a596f047
EG		 1966 .posval = {
1967 { .ival = "none",
1968 .oval = FIO_FALLOCATE_NONE,
1969 .help = "Do not pre-allocate space",
1970 },
1971 { .ival = "posix",
1972 .oval = FIO_FALLOCATE_POSIX,
1973 .help = "Use posix_fallocate()",
1974 },
97ac992c 1975#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 1976 { .ival = "keep",
1977 .oval = FIO_FALLOCATE_KEEP_SIZE,
1978 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1979 },
7bc8c2cf 1980#endif
a596f047
EG		 1981 /* Compatibility with former boolean values */
1982 { .ival = "0",
1983 .oval = FIO_FALLOCATE_NONE,
1984 .help = "Alias for 'none'",
1985 },
1986 { .ival = "1",
1987 .oval = FIO_FALLOCATE_POSIX,
1988 .help = "Alias for 'posix'",
1989 },
1990 },
1991 },
97ac992c 1992#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 1993 {
1994 .name = "fadvise_hint",
e8b0e958 1995 .lname = "Fadvise hint",
67a1000f
JA		 1996 .type = FIO_OPT_BOOL,
1997 .off1 = td_var_offset(fadvise_hint),
1998 .help = "Use fadvise() to advise the kernel on IO pattern",
1999 .def = "1",
e8b0e958
JA		 2000 .category = FIO_OPT_C_FILE,
2001 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2002 },
2003 {
2004 .name = "fsync",
e8b0e958 2005 .lname = "Fsync",
214e1eca
JA		 2006 .type = FIO_OPT_INT,
2007 .off1 = td_var_offset(fsync_blocks),
2008 .help = "Issue fsync for writes every given number of blocks",
2009 .def = "0",
20eb06bd 2010 .interval = 1,
e8b0e958
JA		 2011 .category = FIO_OPT_C_FILE,
2012 .group = FIO_OPT_G_INVALID,
214e1eca 2013 },
5f9099ea
JA		 2014 {
2015 .name = "fdatasync",
e8b0e958 2016 .lname = "Fdatasync",
5f9099ea
JA		 2017 .type = FIO_OPT_INT,
2018 .off1 = td_var_offset(fdatasync_blocks),
2019 .help = "Issue fdatasync for writes every given number of blocks",
2020 .def = "0",
20eb06bd 2021 .interval = 1,
e8b0e958
JA		 2022 .category = FIO_OPT_C_FILE,
2023 .group = FIO_OPT_G_INVALID,
5f9099ea 2024 },
1ef2b6be
JA		 2025 {
2026 .name = "write_barrier",
e8b0e958 2027 .lname = "Write barrier",
1ef2b6be
JA		 2028 .type = FIO_OPT_INT,
2029 .off1 = td_var_offset(barrier_blocks),
2030 .help = "Make every Nth write a barrier write",
2031 .def = "0",
20eb06bd 2032 .interval = 1,
e8b0e958
JA		 2033 .category = FIO_OPT_C_IO,
2034 .group = FIO_OPT_G_INVALID,
1ef2b6be 2035 },
67bf9823 2036#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2037 {
2038 .name = "sync_file_range",
e8b0e958 2039 .lname = "Sync file range",
44f29692
JA		 2040 .posval = {
2041 { .ival = "wait_before",
2042 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2043 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2044 .orval = 1,
44f29692
JA		 2045 },
2046 { .ival = "write",
2047 .oval = SYNC_FILE_RANGE_WRITE,
2048 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2049 .orval = 1,
44f29692
JA		 2050 },
2051 {
2052 .ival = "wait_after",
2053 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2054 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2055 .orval = 1,
44f29692
JA		 2056 },
2057 },
3843deb3 2058 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2059 .cb = str_sfr_cb,
2060 .off1 = td_var_offset(sync_file_range),
2061 .help = "Use sync_file_range()",
e8b0e958
JA		 2062 .category = FIO_OPT_C_FILE,
2063 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2064 },
2065#endif
214e1eca
JA		 2066 {
2067 .name = "direct",
e8b0e958 2068 .lname = "Direct I/O",
214e1eca
JA		 2069 .type = FIO_OPT_BOOL,
2070 .off1 = td_var_offset(odirect),
2071 .help = "Use O_DIRECT IO (negates buffered)",
2072 .def = "0",
a01a1bc5 2073 .inverse = "buffered",
e8b0e958 2074 .category = FIO_OPT_C_IO,
3ceb458f 2075 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2076 },
d01612f3
CM		 2077 {
2078 .name = "atomic",
2079 .lname = "Atomic I/O",
2080 .type = FIO_OPT_BOOL,
2081 .off1 = td_var_offset(oatomic),
2082 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2083 .def = "0",
2084 .category = FIO_OPT_C_IO,
2085 .group = FIO_OPT_G_IO_TYPE,
2086 },
214e1eca
JA		 2087 {
2088 .name = "buffered",
e8b0e958 2089 .lname = "Buffered I/O",
214e1eca
JA		 2090 .type = FIO_OPT_BOOL,
2091 .off1 = td_var_offset(odirect),
2092 .neg = 1,
2093 .help = "Use buffered IO (negates direct)",
2094 .def = "1",
a01a1bc5 2095 .inverse = "direct",
e8b0e958 2096 .category = FIO_OPT_C_IO,
3ceb458f 2097 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2098 },
2099 {
2100 .name = "overwrite",
e8b0e958 2101 .lname = "Overwrite",
214e1eca
JA		 2102 .type = FIO_OPT_BOOL,
2103 .off1 = td_var_offset(overwrite),
2104 .help = "When writing, set whether to overwrite current data",
2105 .def = "0",
e8b0e958
JA		 2106 .category = FIO_OPT_C_FILE,
2107 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2108 },
2109 {
2110 .name = "loops",
e8b0e958 2111 .lname = "Loops",
214e1eca
JA		 2112 .type = FIO_OPT_INT,
2113 .off1 = td_var_offset(loops),
2114 .help = "Number of times to run the job",
2115 .def = "1",
20eb06bd 2116 .interval = 1,
e8b0e958 2117 .category = FIO_OPT_C_GENERAL,
a1f6afec 2118 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2119 },
2120 {
2121 .name = "numjobs",
e8b0e958 2122 .lname = "Number of jobs",
214e1eca
JA		 2123 .type = FIO_OPT_INT,
2124 .off1 = td_var_offset(numjobs),
2125 .help = "Duplicate this job this many times",
2126 .def = "1",
20eb06bd 2127 .interval = 1,
e8b0e958 2128 .category = FIO_OPT_C_GENERAL,
a1f6afec 2129 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2130 },
2131 {
2132 .name = "startdelay",
e8b0e958 2133 .lname = "Start delay",
a5737c93 2134 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2135 .off1 = td_var_offset(start_delay),
23ed19b0 2136 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2137 .help = "Only start job when this period has passed",
2138 .def = "0",
0de5b26f 2139 .is_seconds = 1,
e8b0e958 2140 .category = FIO_OPT_C_GENERAL,
a1f6afec 2141 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2142 },
2143 {
2144 .name = "runtime",
e8b0e958 2145 .lname = "Runtime",
214e1eca
JA		 2146 .alias = "timeout",
2147 .type = FIO_OPT_STR_VAL_TIME,
2148 .off1 = td_var_offset(timeout),
2149 .help = "Stop workload when this amount of time has passed",
2150 .def = "0",
0de5b26f 2151 .is_seconds = 1,
e8b0e958 2152 .category = FIO_OPT_C_GENERAL,
a1f6afec 2153 .group = FIO_OPT_G_RUNTIME,
214e1eca 2154 },
cf4464ca
JA		 2155 {
2156 .name = "time_based",
e8b0e958 2157 .lname = "Time based",
cf4464ca
JA		 2158 .type = FIO_OPT_STR_SET,
2159 .off1 = td_var_offset(time_based),
2160 .help = "Keep running until runtime/timeout is met",
e8b0e958 2161 .category = FIO_OPT_C_GENERAL,
a1f6afec 2162 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2163 },
62167762
JC		 2164 {
2165 .name = "verify_only",
2166 .lname = "Verify only",
2167 .type = FIO_OPT_STR_SET,
2168 .off1 = td_var_offset(verify_only),
2169 .help = "Verifies previously written data is still valid",
2170 .category = FIO_OPT_C_GENERAL,
2171 .group = FIO_OPT_G_RUNTIME,
2172 },
721938ae
JA		 2173 {
2174 .name = "ramp_time",
e8b0e958 2175 .lname = "Ramp time",
721938ae
JA		 2176 .type = FIO_OPT_STR_VAL_TIME,
2177 .off1 = td_var_offset(ramp_time),
2178 .help = "Ramp up time before measuring performance",
0de5b26f 2179 .is_seconds = 1,
e8b0e958 2180 .category = FIO_OPT_C_GENERAL,
a1f6afec 2181 .group = FIO_OPT_G_RUNTIME,
721938ae 2182 },
c223da83
JA		 2183 {
2184 .name = "clocksource",
e8b0e958 2185 .lname = "Clock source",
c223da83
JA		 2186 .type = FIO_OPT_STR,
2187 .cb = fio_clock_source_cb,
2188 .off1 = td_var_offset(clocksource),
2189 .help = "What type of timing source to use",
e8b0e958 2190 .category = FIO_OPT_C_GENERAL,
10860056 2191 .group = FIO_OPT_G_CLOCK,
c223da83 2192 .posval = {
67bf9823 2193#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2194 { .ival = "gettimeofday",
2195 .oval = CS_GTOD,
2196 .help = "Use gettimeofday(2) for timing",
2197 },
67bf9823
JA		 2198#endif
2199#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2200 { .ival = "clock_gettime",
2201 .oval = CS_CGETTIME,
2202 .help = "Use clock_gettime(2) for timing",
2203 },
67bf9823 2204#endif
c223da83
JA		 2205#ifdef ARCH_HAVE_CPU_CLOCK
2206 { .ival = "cpu",
2207 .oval = CS_CPUCLOCK,
2208 .help = "Use CPU private clock",
2209 },
2210#endif
2211 },
2212 },
214e1eca
JA		 2213 {
2214 .name = "mem",
d3aad8f2 2215 .alias = "iomem",
e8b0e958 2216 .lname = "I/O Memory",
214e1eca
JA		 2217 .type = FIO_OPT_STR,
2218 .cb = str_mem_cb,
2219 .off1 = td_var_offset(mem_type),
2220 .help = "Backing type for IO buffers",
2221 .def = "malloc",
e8b0e958
JA		 2222 .category = FIO_OPT_C_IO,
2223 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2224 .posval = {
2225 { .ival = "malloc",
2226 .oval = MEM_MALLOC,
2227 .help = "Use malloc(3) for IO buffers",
2228 },
c8931876 2229#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2230 { .ival = "shm",
2231 .oval = MEM_SHM,
2232 .help = "Use shared memory segments for IO buffers",
2233 },
214e1eca
JA		 2234#ifdef FIO_HAVE_HUGETLB
2235 { .ival = "shmhuge",
2236 .oval = MEM_SHMHUGE,
2237 .help = "Like shm, but use huge pages",
2238 },
c8931876 2239#endif
b370e46a 2240#endif
37c8cdfe
JA		 2241 { .ival = "mmap",
2242 .oval = MEM_MMAP,
2243 .help = "Use mmap(2) (file or anon) for IO buffers",
2244 },
214e1eca
JA		 2245#ifdef FIO_HAVE_HUGETLB
2246 { .ival = "mmaphuge",
2247 .oval = MEM_MMAPHUGE,
2248 .help = "Like mmap, but use huge pages",
2249 },
2250#endif
2251 },
2252 },
d529ee19
JA		 2253 {
2254 .name = "iomem_align",
2255 .alias = "mem_align",
e8b0e958 2256 .lname = "I/O memory alignment",
d529ee19
JA		 2257 .type = FIO_OPT_INT,
2258 .off1 = td_var_offset(mem_align),
2259 .minval = 0,
2260 .help = "IO memory buffer offset alignment",
2261 .def = "0",
2262 .parent = "iomem",
d71c154c 2263 .hide = 1,
e8b0e958
JA		 2264 .category = FIO_OPT_C_IO,
2265 .group = FIO_OPT_G_INVALID,
d529ee19 2266 },
214e1eca
JA		 2267 {
2268 .name = "verify",
e8b0e958 2269 .lname = "Verify",
214e1eca
JA		 2270 .type = FIO_OPT_STR,
2271 .off1 = td_var_offset(verify),
2272 .help = "Verify data written",
2273 .def = "0",
e8b0e958 2274 .category = FIO_OPT_C_IO,
3ceb458f 2275 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2276 .posval = {
2277 { .ival = "0",
2278 .oval = VERIFY_NONE,
2279 .help = "Don't do IO verification",
2280 },
fcca4b58
JA		 2281 { .ival = "md5",
2282 .oval = VERIFY_MD5,
2283 .help = "Use md5 checksums for verification",
2284 },
d77a7af3
JA		 2285 { .ival = "crc64",
2286 .oval = VERIFY_CRC64,
2287 .help = "Use crc64 checksums for verification",
2288 },
214e1eca
JA		 2289 { .ival = "crc32",
2290 .oval = VERIFY_CRC32,
2291 .help = "Use crc32 checksums for verification",
2292 },
af497e6a 2293 { .ival = "crc32c-intel",
e3aaafc4
JA		 2294 .oval = VERIFY_CRC32C,
2295 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2296 },
bac39e0e
JA		 2297 { .ival = "crc32c",
2298 .oval = VERIFY_CRC32C,
e3aaafc4 2299 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2300 },
969f7ed3
JA		 2301 { .ival = "crc16",
2302 .oval = VERIFY_CRC16,
2303 .help = "Use crc16 checksums for verification",
2304 },
1e154bdb
JA		 2305 { .ival = "crc7",
2306 .oval = VERIFY_CRC7,
2307 .help = "Use crc7 checksums for verification",
2308 },
7c353ceb
JA		 2309 { .ival = "sha1",
2310 .oval = VERIFY_SHA1,
2311 .help = "Use sha1 checksums for verification",
2312 },
cd14cc10
JA		 2313 { .ival = "sha256",
2314 .oval = VERIFY_SHA256,
2315 .help = "Use sha256 checksums for verification",
2316 },
2317 { .ival = "sha512",
2318 .oval = VERIFY_SHA512,
2319 .help = "Use sha512 checksums for verification",
2320 },
844ea602
JA		 2321 { .ival = "xxhash",
2322 .oval = VERIFY_XXHASH,
2323 .help = "Use xxhash checksums for verification",
2324 },
7437ee87
SL		 2325 { .ival = "meta",
2326 .oval = VERIFY_META,
2327 .help = "Use io information",
2328 },
36690c9b
JA		 2329 {
2330 .ival = "null",
2331 .oval = VERIFY_NULL,
2332 .help = "Pretend to verify",
2333 },
214e1eca
JA		 2334 },
2335 },
005c565a
JA		 2336 {
2337 .name = "do_verify",
e8b0e958 2338 .lname = "Perform verify step",
68e1f29a 2339 .type = FIO_OPT_BOOL,
005c565a
JA		 2340 .off1 = td_var_offset(do_verify),
2341 .help = "Run verification stage after write",
2342 .def = "1",
2343 .parent = "verify",
d71c154c 2344 .hide = 1,
e8b0e958
JA		 2345 .category = FIO_OPT_C_IO,
2346 .group = FIO_OPT_G_VERIFY,
005c565a 2347 },
160b966d
JA		 2348 {
2349 .name = "verifysort",
e8b0e958 2350 .lname = "Verify sort",
160b966d
JA		 2351 .type = FIO_OPT_BOOL,
2352 .off1 = td_var_offset(verifysort),
2353 .help = "Sort written verify blocks for read back",
2354 .def = "1",
c83f2df1 2355 .parent = "verify",
d71c154c 2356 .hide = 1,
e8b0e958
JA		 2357 .category = FIO_OPT_C_IO,
2358 .group = FIO_OPT_G_VERIFY,
160b966d 2359 },
1ae83d45
JA		 2360 {
2361 .name = "verifysort_nr",
2362 .type = FIO_OPT_INT,
2363 .off1 = td_var_offset(verifysort_nr),
2364 .help = "Pre-load and sort verify blocks for a read workload",
2365 .minval = 0,
2366 .maxval = 131072,
2367 .def = "1024",
2368 .parent = "verify",
836fcc0f
JA		 2369 .category = FIO_OPT_C_IO,
2370 .group = FIO_OPT_G_VERIFY,
1ae83d45 2371 },
3f9f4e26 2372 {
a59e170d 2373 .name = "verify_interval",
e8b0e958 2374 .lname = "Verify interval",
e01b22b8 2375 .type = FIO_OPT_INT,
a59e170d 2376 .off1 = td_var_offset(verify_interval),
819a9680 2377 .minval = 2 * sizeof(struct verify_header),
a59e170d 2378 .help = "Store verify buffer header every N bytes",
afdf9352 2379 .parent = "verify",
d71c154c 2380 .hide = 1,
20eb06bd 2381 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2382 .category = FIO_OPT_C_IO,
2383 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2384 },
546a9142 2385 {
a59e170d 2386 .name = "verify_offset",
e8b0e958 2387 .lname = "Verify offset",
e01b22b8 2388 .type = FIO_OPT_INT,
a59e170d 2389 .help = "Offset verify header location by N bytes",
203160d5
JA		 2390 .off1 = td_var_offset(verify_offset),
2391 .minval = sizeof(struct verify_header),
afdf9352 2392 .parent = "verify",
d71c154c 2393 .hide = 1,
e8b0e958
JA		 2394 .category = FIO_OPT_C_IO,
2395 .group = FIO_OPT_G_VERIFY,
546a9142 2396 },
e28218f3
SL		 2397 {
2398 .name = "verify_pattern",
e8b0e958 2399 .lname = "Verify pattern",
0e92f873 2400 .type = FIO_OPT_STR,
e28218f3
SL		 2401 .cb = str_verify_pattern_cb,
2402 .help = "Fill pattern for IO buffers",
2403 .parent = "verify",
d71c154c 2404 .hide = 1,
e8b0e958
JA		 2405 .category = FIO_OPT_C_IO,
2406 .group = FIO_OPT_G_VERIFY,
e28218f3 2407 },
a12a3b4d
JA		 2408 {
2409 .name = "verify_fatal",
e8b0e958 2410 .lname = "Verify fatal",
68e1f29a 2411 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2412 .off1 = td_var_offset(verify_fatal),
2413 .def = "0",
2414 .help = "Exit on a single verify failure, don't continue",
2415 .parent = "verify",
d71c154c 2416 .hide = 1,
e8b0e958
JA		 2417 .category = FIO_OPT_C_IO,
2418 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2419 },
b463e936
JA		 2420 {
2421 .name = "verify_dump",
e8b0e958 2422 .lname = "Verify dump",
b463e936
JA		 2423 .type = FIO_OPT_BOOL,
2424 .off1 = td_var_offset(verify_dump),
ef71e317 2425 .def = "0",
b463e936
JA		 2426 .help = "Dump contents of good and bad blocks on failure",
2427 .parent = "verify",
d71c154c 2428 .hide = 1,
e8b0e958
JA		 2429 .category = FIO_OPT_C_IO,
2430 .group = FIO_OPT_G_VERIFY,
b463e936 2431 },
e8462bd8
JA		 2432 {
2433 .name = "verify_async",
e8b0e958 2434 .lname = "Verify asynchronously",
e8462bd8
JA		 2435 .type = FIO_OPT_INT,
2436 .off1 = td_var_offset(verify_async),
2437 .def = "0",
2438 .help = "Number of async verifier threads to use",
2439 .parent = "verify",
d71c154c 2440 .hide = 1,
e8b0e958
JA		 2441 .category = FIO_OPT_C_IO,
2442 .group = FIO_OPT_G_VERIFY,
e8462bd8 2443 },
9e144189
JA		 2444 {
2445 .name = "verify_backlog",
e8b0e958 2446 .lname = "Verify backlog",
9e144189
JA		 2447 .type = FIO_OPT_STR_VAL,
2448 .off1 = td_var_offset(verify_backlog),
2449 .help = "Verify after this number of blocks are written",
2450 .parent = "verify",
d71c154c 2451 .hide = 1,
e8b0e958
JA		 2452 .category = FIO_OPT_C_IO,
2453 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2454 },
2455 {
2456 .name = "verify_backlog_batch",
e8b0e958 2457 .lname = "Verify backlog batch",
9e144189
JA		 2458 .type = FIO_OPT_INT,
2459 .off1 = td_var_offset(verify_batch),
2460 .help = "Verify this number of IO blocks",
0d29de83 2461 .parent = "verify",
d71c154c 2462 .hide = 1,
e8b0e958
JA		 2463 .category = FIO_OPT_C_IO,
2464 .group = FIO_OPT_G_VERIFY,
9e144189 2465 },
e8462bd8
JA		 2466#ifdef FIO_HAVE_CPU_AFFINITY
2467 {
2468 .name = "verify_async_cpus",
e8b0e958 2469 .lname = "Async verify CPUs",
e8462bd8
JA		 2470 .type = FIO_OPT_STR,
2471 .cb = str_verify_cpus_allowed_cb,
2472 .help = "Set CPUs allowed for async verify threads",
2473 .parent = "verify_async",
d71c154c 2474 .hide = 1,
e8b0e958
JA		 2475 .category = FIO_OPT_C_IO,
2476 .group = FIO_OPT_G_VERIFY,
e8462bd8 2477 },
0d29de83 2478#endif
51aa2da8
JA		 2479 {
2480 .name = "experimental_verify",
2481 .off1 = td_var_offset(experimental_verify),
2482 .type = FIO_OPT_BOOL,
b31eaac9 2483 .help = "Enable experimental verification",
836fcc0f
JA		 2484 .category = FIO_OPT_C_IO,
2485 .group = FIO_OPT_G_VERIFY,
51aa2da8 2486 },
0d29de83
JA		 2487#ifdef FIO_HAVE_TRIM
2488 {
2489 .name = "trim_percentage",
e8b0e958 2490 .lname = "Trim percentage",
0d29de83 2491 .type = FIO_OPT_INT,
203160d5 2492 .off1 = td_var_offset(trim_percentage),
20eb06bd 2493 .minval = 0,
0d29de83
JA		 2494 .maxval = 100,
2495 .help = "Number of verify blocks to discard/trim",
2496 .parent = "verify",
2497 .def = "0",
20eb06bd 2498 .interval = 1,
d71c154c 2499 .hide = 1,
e8b0e958
JA		 2500 .category = FIO_OPT_C_IO,
2501 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2502 },
2503 {
2504 .name = "trim_verify_zero",
e8b0e958 2505 .lname = "Verify trim zero",
20eb06bd 2506 .type = FIO_OPT_BOOL,
0d29de83
JA		 2507 .help = "Verify that trim/discarded blocks are returned as zeroes",
2508 .off1 = td_var_offset(trim_zero),
2509 .parent = "trim_percentage",
d71c154c 2510 .hide = 1,
0d29de83 2511 .def = "1",
e8b0e958
JA		 2512 .category = FIO_OPT_C_IO,
2513 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2514 },
2515 {
2516 .name = "trim_backlog",
e8b0e958 2517 .lname = "Trim backlog",
0d29de83
JA		 2518 .type = FIO_OPT_STR_VAL,
2519 .off1 = td_var_offset(trim_backlog),
2520 .help = "Trim after this number of blocks are written",
2521 .parent = "trim_percentage",
d71c154c 2522 .hide = 1,
20eb06bd 2523 .interval = 1,
e8b0e958
JA		 2524 .category = FIO_OPT_C_IO,
2525 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2526 },
2527 {
2528 .name = "trim_backlog_batch",
e8b0e958 2529 .lname = "Trim backlog batch",
0d29de83
JA		 2530 .type = FIO_OPT_INT,
2531 .off1 = td_var_offset(trim_batch),
2532 .help = "Trim this number of IO blocks",
2533 .parent = "trim_percentage",
d71c154c 2534 .hide = 1,
20eb06bd 2535 .interval = 1,
e8b0e958
JA		 2536 .category = FIO_OPT_C_IO,
2537 .group = FIO_OPT_G_TRIM,
0d29de83 2538 },
e8462bd8 2539#endif
214e1eca
JA		 2540 {
2541 .name = "write_iolog",
e8b0e958 2542 .lname = "Write I/O log",
214e1eca
JA		 2543 .type = FIO_OPT_STR_STORE,
2544 .off1 = td_var_offset(write_iolog_file),
2545 .help = "Store IO pattern to file",
e8b0e958
JA		 2546 .category = FIO_OPT_C_IO,
2547 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2548 },
2549 {
2550 .name = "read_iolog",
e8b0e958 2551 .lname = "Read I/O log",
214e1eca
JA		 2552 .type = FIO_OPT_STR_STORE,
2553 .off1 = td_var_offset(read_iolog_file),
2554 .help = "Playback IO pattern from file",
e8b0e958
JA		 2555 .category = FIO_OPT_C_IO,
2556 .group = FIO_OPT_G_IOLOG,
214e1eca 2557 },
64bbb865
DN		 2558 {
2559 .name = "replay_no_stall",
e8b0e958 2560 .lname = "Don't stall on replay",
20eb06bd 2561 .type = FIO_OPT_BOOL,
64bbb865
DN		 2562 .off1 = td_var_offset(no_stall),
2563 .def = "0",
87e7a972 2564 .parent = "read_iolog",
d71c154c 2565 .hide = 1,
64bbb865 2566 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2567 .category = FIO_OPT_C_IO,
2568 .group = FIO_OPT_G_IOLOG,
64bbb865 2569 },
d1c46c04
DN		 2570 {
2571 .name = "replay_redirect",
e8b0e958 2572 .lname = "Redirect device for replay",
d1c46c04
DN		 2573 .type = FIO_OPT_STR_STORE,
2574 .off1 = td_var_offset(replay_redirect),
2575 .parent = "read_iolog",
d71c154c 2576 .hide = 1,
d1c46c04 2577 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2578 .category = FIO_OPT_C_IO,
2579 .group = FIO_OPT_G_IOLOG,
d1c46c04 2580 },
214e1eca
JA		 2581 {
2582 .name = "exec_prerun",
e8b0e958 2583 .lname = "Pre-execute runnable",
214e1eca
JA		 2584 .type = FIO_OPT_STR_STORE,
2585 .off1 = td_var_offset(exec_prerun),
2586 .help = "Execute this file prior to running job",
e8b0e958
JA		 2587 .category = FIO_OPT_C_GENERAL,
2588 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2589 },
2590 {
2591 .name = "exec_postrun",
e8b0e958 2592 .lname = "Post-execute runnable",
214e1eca
JA		 2593 .type = FIO_OPT_STR_STORE,
2594 .off1 = td_var_offset(exec_postrun),
2595 .help = "Execute this file after running job",
e8b0e958
JA		 2596 .category = FIO_OPT_C_GENERAL,
2597 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2598 },
2599#ifdef FIO_HAVE_IOSCHED_SWITCH
2600 {
2601 .name = "ioscheduler",
e8b0e958 2602 .lname = "I/O scheduler",
214e1eca
JA		 2603 .type = FIO_OPT_STR_STORE,
2604 .off1 = td_var_offset(ioscheduler),
2605 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2606 .category = FIO_OPT_C_FILE,
2607 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2608 },
2609#endif
2610 {
2611 .name = "zonesize",
e8b0e958 2612 .lname = "Zone size",
214e1eca
JA		 2613 .type = FIO_OPT_STR_VAL,
2614 .off1 = td_var_offset(zone_size),
ed335855
SN		 2615 .help = "Amount of data to read per zone",
2616 .def = "0",
20eb06bd 2617 .interval = 1024 * 1024,
e8b0e958
JA		 2618 .category = FIO_OPT_C_IO,
2619 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2620 },
2621 {
2622 .name = "zonerange",
e8b0e958 2623 .lname = "Zone range",
ed335855
SN		 2624 .type = FIO_OPT_STR_VAL,
2625 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2626 .help = "Give size of an IO zone",
2627 .def = "0",
20eb06bd 2628 .interval = 1024 * 1024,
e8b0e958
JA		 2629 .category = FIO_OPT_C_IO,
2630 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2631 },
2632 {
2633 .name = "zoneskip",
e8b0e958 2634 .lname = "Zone skip",
214e1eca
JA		 2635 .type = FIO_OPT_STR_VAL,
2636 .off1 = td_var_offset(zone_skip),
2637 .help = "Space between IO zones",
2638 .def = "0",
20eb06bd 2639 .interval = 1024 * 1024,
e8b0e958
JA		 2640 .category = FIO_OPT_C_IO,
2641 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2642 },
2643 {
2644 .name = "lockmem",
e8b0e958 2645 .lname = "Lock memory",
214e1eca 2646 .type = FIO_OPT_STR_VAL,
1b79a070 2647 .off1 = td_var_offset(lockmem),
81c6b6cd 2648 .help = "Lock down this amount of memory (per worker)",
214e1eca 2649 .def = "0",
20eb06bd 2650 .interval = 1024 * 1024,
e8b0e958
JA		 2651 .category = FIO_OPT_C_GENERAL,
2652 .group = FIO_OPT_G_INVALID,
214e1eca 2653 },
214e1eca
JA		 2654 {
2655 .name = "rwmixread",
e8b0e958 2656 .lname = "Read/write mix read",
214e1eca 2657 .type = FIO_OPT_INT,
cb499fc4 2658 .cb = str_rwmix_read_cb,
214e1eca
JA		 2659 .maxval = 100,
2660 .help = "Percentage of mixed workload that is reads",
2661 .def = "50",
20eb06bd 2662 .interval = 5,
90265353 2663 .inverse = "rwmixwrite",
e8b0e958
JA		 2664 .category = FIO_OPT_C_IO,
2665 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2666 },
2667 {
2668 .name = "rwmixwrite",
e8b0e958 2669 .lname = "Read/write mix write",
214e1eca 2670 .type = FIO_OPT_INT,
cb499fc4 2671 .cb = str_rwmix_write_cb,
214e1eca
JA		 2672 .maxval = 100,
2673 .help = "Percentage of mixed workload that is writes",
2674 .def = "50",
20eb06bd 2675 .interval = 5,
90265353 2676 .inverse = "rwmixread",
e8b0e958
JA		 2677 .category = FIO_OPT_C_IO,
2678 .group = FIO_OPT_G_RWMIX,
214e1eca 2679 },
afdf9352
JA		 2680 {
2681 .name = "rwmixcycle",
e8b0e958 2682 .lname = "Read/write mix cycle",
15ca150e 2683 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2684 .category = FIO_OPT_C_IO,
2685 .group = FIO_OPT_G_RWMIX,
afdf9352 2686 },
214e1eca
JA		 2687 {
2688 .name = "nice",
e8b0e958 2689 .lname = "Nice",
214e1eca
JA		 2690 .type = FIO_OPT_INT,
2691 .off1 = td_var_offset(nice),
2692 .help = "Set job CPU nice value",
2693 .minval = -19,
2694 .maxval = 20,
2695 .def = "0",
20eb06bd 2696 .interval = 1,
e8b0e958 2697 .category = FIO_OPT_C_GENERAL,
10860056 2698 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2699 },
2700#ifdef FIO_HAVE_IOPRIO
2701 {
2702 .name = "prio",
e8b0e958 2703 .lname = "I/O nice priority",
214e1eca 2704 .type = FIO_OPT_INT,
28727df7 2705 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2706 .help = "Set job IO priority value",
2707 .minval = 0,
2708 .maxval = 7,
20eb06bd 2709 .interval = 1,
e8b0e958 2710 .category = FIO_OPT_C_GENERAL,
10860056 2711 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2712 },
2713 {
2714 .name = "prioclass",
e8b0e958 2715 .lname = "I/O nice priority class",
214e1eca 2716 .type = FIO_OPT_INT,
28727df7 2717 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2718 .help = "Set job IO priority class",
2719 .minval = 0,
2720 .maxval = 3,
20eb06bd 2721 .interval = 1,
e8b0e958 2722 .category = FIO_OPT_C_GENERAL,
10860056 2723 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2724 },
2725#endif
2726 {
2727 .name = "thinktime",
e8b0e958 2728 .lname = "Thinktime",
214e1eca
JA		 2729 .type = FIO_OPT_INT,
2730 .off1 = td_var_offset(thinktime),
2731 .help = "Idle time between IO buffers (usec)",
2732 .def = "0",
e8b0e958 2733 .category = FIO_OPT_C_IO,
3ceb458f 2734 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2735 },
2736 {
2737 .name = "thinktime_spin",
e8b0e958 2738 .lname = "Thinktime spin",
214e1eca
JA		 2739 .type = FIO_OPT_INT,
2740 .off1 = td_var_offset(thinktime_spin),
2741 .help = "Start think time by spinning this amount (usec)",
2742 .def = "0",
afdf9352 2743 .parent = "thinktime",
d71c154c 2744 .hide = 1,
e8b0e958 2745 .category = FIO_OPT_C_IO,
3ceb458f 2746 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2747 },
2748 {
2749 .name = "thinktime_blocks",
e8b0e958 2750 .lname = "Thinktime blocks",
214e1eca
JA		 2751 .type = FIO_OPT_INT,
2752 .off1 = td_var_offset(thinktime_blocks),
2753 .help = "IO buffer period between 'thinktime'",
2754 .def = "1",
afdf9352 2755 .parent = "thinktime",
d71c154c 2756 .hide = 1,
e8b0e958 2757 .category = FIO_OPT_C_IO,
3ceb458f 2758 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2759 },
2760 {
2761 .name = "rate",
e8b0e958 2762 .lname = "I/O rate",
e01b22b8 2763 .type = FIO_OPT_INT,
6eaf09d6
SL		 2764 .off1 = td_var_offset(rate[DDIR_READ]),
2765 .off2 = td_var_offset(rate[DDIR_WRITE]),
2766 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2767 .help = "Set bandwidth rate",
e8b0e958
JA		 2768 .category = FIO_OPT_C_IO,
2769 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2770 },
2771 {
2772 .name = "ratemin",
e8b0e958 2773 .lname = "I/O min rate",
e01b22b8 2774 .type = FIO_OPT_INT,
6eaf09d6
SL		 2775 .off1 = td_var_offset(ratemin[DDIR_READ]),
2776 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2777 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2778 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2779 .parent = "rate",
d71c154c 2780 .hide = 1,
e8b0e958
JA		 2781 .category = FIO_OPT_C_IO,
2782 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2783 },
2784 {
2785 .name = "rate_iops",
e8b0e958 2786 .lname = "I/O rate IOPS",
e01b22b8 2787 .type = FIO_OPT_INT,
6eaf09d6
SL		 2788 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2789 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2790 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2791 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2792 .hide = 1,
e8b0e958
JA		 2793 .category = FIO_OPT_C_IO,
2794 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2795 },
2796 {
2797 .name = "rate_iops_min",
e8b0e958 2798 .lname = "I/O min rate IOPS",
e01b22b8 2799 .type = FIO_OPT_INT,
6eaf09d6
SL		 2800 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2801 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2802 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2803 .help = "Job must meet this rate or it will be shut down",
afdf9352 2804 .parent = "rate_iops",
d71c154c 2805 .hide = 1,
e8b0e958
JA		 2806 .category = FIO_OPT_C_IO,
2807 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2808 },
2809 {
2810 .name = "ratecycle",
e8b0e958 2811 .lname = "I/O rate cycle",
214e1eca
JA		 2812 .type = FIO_OPT_INT,
2813 .off1 = td_var_offset(ratecycle),
2814 .help = "Window average for rate limits (msec)",
2815 .def = "1000",
afdf9352 2816 .parent = "rate",
d71c154c 2817 .hide = 1,
e8b0e958
JA		 2818 .category = FIO_OPT_C_IO,
2819 .group = FIO_OPT_G_RATE,
214e1eca 2820 },
15501535
JA		 2821 {
2822 .name = "max_latency",
2823 .type = FIO_OPT_INT,
2824 .off1 = td_var_offset(max_latency),
2825 .help = "Maximum tolerated IO latency (usec)",
1e5324e7 2826 .category = FIO_OPT_C_IO,
3e260a46
JA		 2827 .group = FIO_OPT_G_LATPROF,
2828 },
2829 {
2830 .name = "latency_target",
2831 .lname = "Latency Target (usec)",
2832 .type = FIO_OPT_STR_VAL_TIME,
2833 .off1 = td_var_offset(latency_target),
2834 .help = "Ramp to max queue depth supporting this latency",
2835 .category = FIO_OPT_C_IO,
2836 .group = FIO_OPT_G_LATPROF,
2837 },
2838 {
2839 .name = "latency_window",
2840 .lname = "Latency Window (usec)",
2841 .type = FIO_OPT_STR_VAL_TIME,
2842 .off1 = td_var_offset(latency_window),
2843 .help = "Time to sustain latency_target",
2844 .category = FIO_OPT_C_IO,
2845 .group = FIO_OPT_G_LATPROF,
2846 },
2847 {
2848 .name = "latency_percentile",
2849 .lname = "Latency Percentile",
2850 .type = FIO_OPT_FLOAT_LIST,
2851 .off1 = td_var_offset(latency_percentile),
2852 .help = "Percentile of IOs must be below latency_target",
2853 .def = "100",
2854 .maxlen = 1,
2855 .minfp = 0.0,
2856 .maxfp = 100.0,
2857 .category = FIO_OPT_C_IO,
2858 .group = FIO_OPT_G_LATPROF,
15501535 2859 },
214e1eca
JA		 2860 {
2861 .name = "invalidate",
e8b0e958 2862 .lname = "Cache invalidate",
214e1eca
JA		 2863 .type = FIO_OPT_BOOL,
2864 .off1 = td_var_offset(invalidate_cache),
2865 .help = "Invalidate buffer/page cache prior to running job",
2866 .def = "1",
e8b0e958 2867 .category = FIO_OPT_C_IO,
3ceb458f 2868 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2869 },
2870 {
2871 .name = "sync",
e8b0e958 2872 .lname = "Synchronous I/O",
214e1eca
JA		 2873 .type = FIO_OPT_BOOL,
2874 .off1 = td_var_offset(sync_io),
2875 .help = "Use O_SYNC for buffered writes",
2876 .def = "0",
67a1000f 2877 .parent = "buffered",
d71c154c 2878 .hide = 1,
e8b0e958 2879 .category = FIO_OPT_C_IO,
3ceb458f 2880 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2881 },
214e1eca
JA		 2882 {
2883 .name = "create_serialize",
e8b0e958 2884 .lname = "Create serialize",
214e1eca
JA		 2885 .type = FIO_OPT_BOOL,
2886 .off1 = td_var_offset(create_serialize),
2887 .help = "Serialize creating of job files",
2888 .def = "1",
e8b0e958
JA		 2889 .category = FIO_OPT_C_FILE,
2890 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2891 },
2892 {
2893 .name = "create_fsync",
e8b0e958 2894 .lname = "Create fsync",
214e1eca
JA		 2895 .type = FIO_OPT_BOOL,
2896 .off1 = td_var_offset(create_fsync),
03e20d68 2897 .help = "fsync file after creation",
214e1eca 2898 .def = "1",
e8b0e958
JA		 2899 .category = FIO_OPT_C_FILE,
2900 .group = FIO_OPT_G_INVALID,
214e1eca 2901 },
814452bd
JA		 2902 {
2903 .name = "create_on_open",
e8b0e958 2904 .lname = "Create on open",
814452bd
JA		 2905 .type = FIO_OPT_BOOL,
2906 .off1 = td_var_offset(create_on_open),
2907 .help = "Create files when they are opened for IO",
2908 .def = "0",
e8b0e958
JA		 2909 .category = FIO_OPT_C_FILE,
2910 .group = FIO_OPT_G_INVALID,
814452bd 2911 },
25460cf6
JA		 2912 {
2913 .name = "create_only",
2914 .type = FIO_OPT_BOOL,
2915 .off1 = td_var_offset(create_only),
2916 .help = "Only perform file creation phase",
d17fda71 2917 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2918 .def = "0",
2919 },
0b9d69ec 2920 {
afad68f7 2921 .name = "pre_read",
e8b0e958 2922 .lname = "Pre-read files",
afad68f7
ZY		 2923 .type = FIO_OPT_BOOL,
2924 .off1 = td_var_offset(pre_read),
03e20d68 2925 .help = "Pre-read files before starting official testing",
afad68f7 2926 .def = "0",
e8b0e958
JA		 2927 .category = FIO_OPT_C_FILE,
2928 .group = FIO_OPT_G_INVALID,
afad68f7 2929 },
214e1eca
JA		 2930#ifdef FIO_HAVE_CPU_AFFINITY
2931 {
2932 .name = "cpumask",
e8b0e958 2933 .lname = "CPU mask",
214e1eca
JA		 2934 .type = FIO_OPT_INT,
2935 .cb = str_cpumask_cb,
2936 .help = "CPU affinity mask",
e8b0e958 2937 .category = FIO_OPT_C_GENERAL,
10860056 2938 .group = FIO_OPT_G_CRED,
214e1eca 2939 },
d2e268b0
JA		 2940 {
2941 .name = "cpus_allowed",
e8b0e958 2942 .lname = "CPUs allowed",
d2e268b0
JA		 2943 .type = FIO_OPT_STR,
2944 .cb = str_cpus_allowed_cb,
2945 .help = "Set CPUs allowed",
e8b0e958 2946 .category = FIO_OPT_C_GENERAL,
10860056 2947 .group = FIO_OPT_G_CRED,
d2e268b0 2948 },
c2acfbac
JA		 2949 {
2950 .name = "cpus_allowed_policy",
2951 .lname = "CPUs allowed distribution policy",
2952 .type = FIO_OPT_STR,
2953 .off1 = td_var_offset(cpus_allowed_policy),
2954 .help = "Distribution policy for cpus_allowed",
2955 .parent = "cpus_allowed",
2956 .prio = 1,
2957 .posval = {
2958 { .ival = "shared",
2959 .oval = FIO_CPUS_SHARED,
2960 .help = "Mask shared between threads",
2961 },
2962 { .ival = "split",
2963 .oval = FIO_CPUS_SPLIT,
2964 .help = "Mask split between threads",
2965 },
2966 },
2967 .category = FIO_OPT_C_GENERAL,
2968 .group = FIO_OPT_G_CRED,
2969 },
d0b937ed 2970#endif
67bf9823 2971#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 2972 {
2973 .name = "numa_cpu_nodes",
2974 .type = FIO_OPT_STR,
2975 .cb = str_numa_cpunodes_cb,
2976 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 2977 .category = FIO_OPT_C_GENERAL,
2978 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 2979 },
2980 {
2981 .name = "numa_mem_policy",
2982 .type = FIO_OPT_STR,
2983 .cb = str_numa_mpol_cb,
2984 .help = "NUMA memory policy setup",
6be54b2d
JA		 2985 .category = FIO_OPT_C_GENERAL,
2986 .group = FIO_OPT_G_INVALID,
d0b937ed 2987 },
214e1eca
JA		 2988#endif
2989 {
2990 .name = "end_fsync",
e8b0e958 2991 .lname = "End fsync",
214e1eca
JA		 2992 .type = FIO_OPT_BOOL,
2993 .off1 = td_var_offset(end_fsync),
2994 .help = "Include fsync at the end of job",
2995 .def = "0",
e8b0e958
JA		 2996 .category = FIO_OPT_C_FILE,
2997 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2998 },
2999 {
3000 .name = "fsync_on_close",
e8b0e958 3001 .lname = "Fsync on close",
214e1eca
JA		 3002 .type = FIO_OPT_BOOL,
3003 .off1 = td_var_offset(fsync_on_close),
3004 .help = "fsync files on close",
3005 .def = "0",
e8b0e958
JA		 3006 .category = FIO_OPT_C_FILE,
3007 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3008 },
3009 {
3010 .name = "unlink",
e8b0e958 3011 .lname = "Unlink file",
214e1eca
JA		 3012 .type = FIO_OPT_BOOL,
3013 .off1 = td_var_offset(unlink),
3014 .help = "Unlink created files after job has completed",
3015 .def = "0",
e8b0e958
JA		 3016 .category = FIO_OPT_C_FILE,
3017 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3018 },
3019 {
3020 .name = "exitall",
e8b0e958 3021 .lname = "Exit-all on terminate",
214e1eca
JA		 3022 .type = FIO_OPT_STR_SET,
3023 .cb = str_exitall_cb,
3024 .help = "Terminate all jobs when one exits",
e8b0e958 3025 .category = FIO_OPT_C_GENERAL,
a1f6afec 3026 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3027 },
3028 {
3029 .name = "stonewall",
e8b0e958 3030 .lname = "Wait for previous",
d392365e 3031 .alias = "wait_for_previous",
214e1eca
JA		 3032 .type = FIO_OPT_STR_SET,
3033 .off1 = td_var_offset(stonewall),
3034 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3035 .category = FIO_OPT_C_GENERAL,
a1f6afec 3036 .group = FIO_OPT_G_PROCESS,
214e1eca 3037 },
b3d62a75
JA		 3038 {
3039 .name = "new_group",
e8b0e958 3040 .lname = "New group",
b3d62a75
JA		 3041 .type = FIO_OPT_STR_SET,
3042 .off1 = td_var_offset(new_group),
3043 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3044 .category = FIO_OPT_C_GENERAL,
a1f6afec 3045 .group = FIO_OPT_G_PROCESS,
b3d62a75 3046 },
214e1eca
JA		 3047 {
3048 .name = "thread",
e8b0e958 3049 .lname = "Thread",
214e1eca
JA		 3050 .type = FIO_OPT_STR_SET,
3051 .off1 = td_var_offset(use_thread),
20eb06bd 3052 .help = "Use threads instead of processes",
c8931876
JA		 3053#ifdef CONFIG_NO_SHM
3054 .def = "1",
3055 .no_warn_def = 1,
3056#endif
e8b0e958 3057 .category = FIO_OPT_C_GENERAL,
a1f6afec 3058 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3059 },
3060 {
3061 .name = "write_bw_log",
e8b0e958 3062 .lname = "Write bandwidth log",
203160d5
JA		 3063 .type = FIO_OPT_STR_STORE,
3064 .off1 = td_var_offset(bw_log_file),
214e1eca 3065 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3066 .category = FIO_OPT_C_LOG,
3067 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3068 },
3069 {
3070 .name = "write_lat_log",
e8b0e958 3071 .lname = "Write latency log",
203160d5
JA		 3072 .type = FIO_OPT_STR_STORE,
3073 .off1 = td_var_offset(lat_log_file),
214e1eca 3074 .help = "Write log of latency during run",
e8b0e958
JA		 3075 .category = FIO_OPT_C_LOG,
3076 .group = FIO_OPT_G_INVALID,
214e1eca 3077 },
c8eeb9df
JA		 3078 {
3079 .name = "write_iops_log",
e8b0e958 3080 .lname = "Write IOPS log",
577c83bd 3081 .type = FIO_OPT_STR_STORE,
203160d5 3082 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3083 .help = "Write log of IOPS during run",
e8b0e958
JA		 3084 .category = FIO_OPT_C_LOG,
3085 .group = FIO_OPT_G_INVALID,
c8eeb9df 3086 },
b8bc8cba
JA		 3087 {
3088 .name = "log_avg_msec",
e8b0e958 3089 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3090 .type = FIO_OPT_INT,
3091 .off1 = td_var_offset(log_avg_msec),
3092 .help = "Average bw/iops/lat logs over this period of time",
3093 .def = "0",
e8b0e958
JA		 3094 .category = FIO_OPT_C_LOG,
3095 .group = FIO_OPT_G_INVALID,
b8bc8cba 3096 },
ae588852
JA		 3097 {
3098 .name = "log_offset",
3099 .lname = "Log offset of IO",
3100 .type = FIO_OPT_BOOL,
3101 .off1 = td_var_offset(log_offset),
3102 .help = "Include offset of IO for each log entry",
3103 .def = "0",
3104 .category = FIO_OPT_C_LOG,
3105 .group = FIO_OPT_G_INVALID,
3106 },
c504ee55
JA		 3107 {
3108 .name = "bwavgtime",
3109 .lname = "Bandwidth average time",
3110 .type = FIO_OPT_INT,
3111 .off1 = td_var_offset(bw_avg_time),
3112 .help = "Time window over which to calculate bandwidth"
3113 " (msec)",
3114 .def = "500",
3115 .parent = "write_bw_log",
3116 .hide = 1,
3117 .interval = 100,
3118 .category = FIO_OPT_C_LOG,
3119 .group = FIO_OPT_G_INVALID,
3120 },
3121 {
3122 .name = "iopsavgtime",
3123 .lname = "IOPS average time",
3124 .type = FIO_OPT_INT,
3125 .off1 = td_var_offset(iops_avg_time),
3126 .help = "Time window over which to calculate IOPS (msec)",
3127 .def = "500",
3128 .parent = "write_iops_log",
3129 .hide = 1,
3130 .interval = 100,
3131 .category = FIO_OPT_C_LOG,
3132 .group = FIO_OPT_G_INVALID,
3133 },
214e1eca
JA		 3134 {
3135 .name = "group_reporting",
e8b0e958 3136 .lname = "Group reporting",
d2507043 3137 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3138 .off1 = td_var_offset(group_reporting),
3139 .help = "Do reporting on a per-group basis",
10860056 3140 .category = FIO_OPT_C_STAT,
e8b0e958 3141 .group = FIO_OPT_G_INVALID,
214e1eca 3142 },
e9459e5a
JA		 3143 {
3144 .name = "zero_buffers",
e8b0e958 3145 .lname = "Zero I/O buffers",
e9459e5a
JA		 3146 .type = FIO_OPT_STR_SET,
3147 .off1 = td_var_offset(zero_buffers),
3148 .help = "Init IO buffers to all zeroes",
e8b0e958 3149 .category = FIO_OPT_C_IO,
3ceb458f 3150 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3151 },
5973cafb
JA		 3152 {
3153 .name = "refill_buffers",
e8b0e958 3154 .lname = "Refill I/O buffers",
5973cafb
JA		 3155 .type = FIO_OPT_STR_SET,
3156 .off1 = td_var_offset(refill_buffers),
3157 .help = "Refill IO buffers on every IO submit",
e8b0e958 3158 .category = FIO_OPT_C_IO,
3ceb458f 3159 .group = FIO_OPT_G_IO_BUF,
5973cafb 3160 },
fd68418e
JA		 3161 {
3162 .name = "scramble_buffers",
e8b0e958 3163 .lname = "Scramble I/O buffers",
fd68418e
JA		 3164 .type = FIO_OPT_BOOL,
3165 .off1 = td_var_offset(scramble_buffers),
3166 .help = "Slightly scramble buffers on every IO submit",
3167 .def = "1",
e8b0e958 3168 .category = FIO_OPT_C_IO,
3ceb458f 3169 .group = FIO_OPT_G_IO_BUF,
fd68418e 3170 },
ce35b1ec
JA		 3171 {
3172 .name = "buffer_pattern",
3173 .lname = "Buffer pattern",
3174 .type = FIO_OPT_STR,
3175 .cb = str_buffer_pattern_cb,
3176 .help = "Fill pattern for IO buffers",
3177 .category = FIO_OPT_C_IO,
3178 .group = FIO_OPT_G_IO_BUF,
3179 },
9c42684e
JA		 3180 {
3181 .name = "buffer_compress_percentage",
e8b0e958 3182 .lname = "Buffer compression percentage",
9c42684e 3183 .type = FIO_OPT_INT,
bedc9dc2 3184 .cb = str_buffer_compress_cb,
9c42684e 3185 .maxval = 100,
e7f5de90 3186 .minval = 0,
9c42684e 3187 .help = "How compressible the buffer is (approximately)",
20eb06bd 3188 .interval = 5,
e8b0e958 3189 .category = FIO_OPT_C_IO,
3ceb458f 3190 .group = FIO_OPT_G_IO_BUF,
9c42684e 3191 },
f97a43a1
JA		 3192 {
3193 .name = "buffer_compress_chunk",
e8b0e958 3194 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3195 .type = FIO_OPT_INT,
3196 .off1 = td_var_offset(compress_chunk),
207b18e4 3197 .parent = "buffer_compress_percentage",
d71c154c 3198 .hide = 1,
f97a43a1 3199 .help = "Size of compressible region in buffer",
20eb06bd 3200 .interval = 256,
e8b0e958 3201 .category = FIO_OPT_C_IO,
3ceb458f 3202 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3203 },
83349190
YH		 3204 {
3205 .name = "clat_percentiles",
e8b0e958 3206 .lname = "Completion latency percentiles",
83349190
YH		 3207 .type = FIO_OPT_BOOL,
3208 .off1 = td_var_offset(clat_percentiles),
3209 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3210 .def = "1",
e8b0e958
JA		 3211 .category = FIO_OPT_C_STAT,
3212 .group = FIO_OPT_G_INVALID,
83349190
YH		 3213 },
3214 {
3215 .name = "percentile_list",
e8b0e958 3216 .lname = "Completion latency percentile list",
83349190
YH		 3217 .type = FIO_OPT_FLOAT_LIST,
3218 .off1 = td_var_offset(percentile_list),
435d195a 3219 .off2 = td_var_offset(percentile_precision),
83349190 3220 .help = "Specify a custom list of percentiles to report",
fd112d34 3221 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3222 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3223 .minfp = 0.0,
3224 .maxfp = 100.0,
e8b0e958
JA		 3225 .category = FIO_OPT_C_STAT,
3226 .group = FIO_OPT_G_INVALID,
83349190
YH		 3227 },
3228
0a839f30
JA		 3229#ifdef FIO_HAVE_DISK_UTIL
3230 {
3231 .name = "disk_util",
e8b0e958 3232 .lname = "Disk utilization",
0a839f30
JA		 3233 .type = FIO_OPT_BOOL,
3234 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3235 .help = "Log disk utilization statistics",
0a839f30 3236 .def = "1",
e8b0e958
JA		 3237 .category = FIO_OPT_C_STAT,
3238 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3239 },
3240#endif
993bf48b
JA		 3241 {
3242 .name = "gtod_reduce",
e8b0e958 3243 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3244 .type = FIO_OPT_BOOL,
3245 .help = "Greatly reduce number of gettimeofday() calls",
3246 .cb = str_gtod_reduce_cb,
3247 .def = "0",
a4ed77fe 3248 .hide_on_set = 1,
e8b0e958
JA		 3249 .category = FIO_OPT_C_STAT,
3250 .group = FIO_OPT_G_INVALID,
993bf48b 3251 },
02af0988
JA		 3252 {
3253 .name = "disable_lat",
e8b0e958 3254 .lname = "Disable all latency stats",
02af0988
JA		 3255 .type = FIO_OPT_BOOL,
3256 .off1 = td_var_offset(disable_lat),
3257 .help = "Disable latency numbers",
3258 .parent = "gtod_reduce",
d71c154c 3259 .hide = 1,
02af0988 3260 .def = "0",
e8b0e958
JA		 3261 .category = FIO_OPT_C_STAT,
3262 .group = FIO_OPT_G_INVALID,
02af0988 3263 },
9520ebb9
JA		 3264 {
3265 .name = "disable_clat",
e8b0e958 3266 .lname = "Disable completion latency stats",
9520ebb9
JA		 3267 .type = FIO_OPT_BOOL,
3268 .off1 = td_var_offset(disable_clat),
3269 .help = "Disable completion latency numbers",
993bf48b 3270 .parent = "gtod_reduce",
d71c154c 3271 .hide = 1,
9520ebb9 3272 .def = "0",
e8b0e958
JA		 3273 .category = FIO_OPT_C_STAT,
3274 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3275 },
3276 {
3277 .name = "disable_slat",
e8b0e958 3278 .lname = "Disable submission latency stats",
9520ebb9
JA		 3279 .type = FIO_OPT_BOOL,
3280 .off1 = td_var_offset(disable_slat),
03e20d68 3281 .help = "Disable submission latency numbers",
993bf48b 3282 .parent = "gtod_reduce",
d71c154c 3283 .hide = 1,
9520ebb9 3284 .def = "0",
e8b0e958
JA		 3285 .category = FIO_OPT_C_STAT,
3286 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3287 },
3288 {
3289 .name = "disable_bw_measurement",
e8b0e958 3290 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3291 .type = FIO_OPT_BOOL,
3292 .off1 = td_var_offset(disable_bw),
3293 .help = "Disable bandwidth logging",
993bf48b 3294 .parent = "gtod_reduce",
d71c154c 3295 .hide = 1,
9520ebb9 3296 .def = "0",
e8b0e958
JA		 3297 .category = FIO_OPT_C_STAT,
3298 .group = FIO_OPT_G_INVALID,
9520ebb9 3299 },
be4ecfdf
JA		 3300 {
3301 .name = "gtod_cpu",
e8b0e958 3302 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 3303 .type = FIO_OPT_INT,
3304 .cb = str_gtod_cpu_cb,
03e20d68 3305 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3306 .verify = gtod_cpu_verify,
e8b0e958 3307 .category = FIO_OPT_C_GENERAL,
10860056 3308 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3309 },
771e58be
JA		 3310 {
3311 .name = "unified_rw_reporting",
3312 .type = FIO_OPT_BOOL,
3313 .off1 = td_var_offset(unified_rw_rep),
3314 .help = "Unify reporting across data direction",
3315 .def = "0",
90b7a96d
JA		 3316 .category = FIO_OPT_C_GENERAL,
3317 .group = FIO_OPT_G_INVALID,
771e58be 3318 },
f2bba182
RR		 3319 {
3320 .name = "continue_on_error",
e8b0e958 3321 .lname = "Continue on error",
06842027 3322 .type = FIO_OPT_STR,
f2bba182 3323 .off1 = td_var_offset(continue_on_error),
03e20d68 3324 .help = "Continue on non-fatal errors during IO",
06842027 3325 .def = "none",
e8b0e958 3326 .category = FIO_OPT_C_GENERAL,
bc3f552f 3327 .group = FIO_OPT_G_ERR,
06842027
SL		 3328 .posval = {
3329 { .ival = "none",
3330 .oval = ERROR_TYPE_NONE,
3331 .help = "Exit when an error is encountered",
3332 },
3333 { .ival = "read",
3334 .oval = ERROR_TYPE_READ,
3335 .help = "Continue on read errors only",
3336 },
3337 { .ival = "write",
3338 .oval = ERROR_TYPE_WRITE,
3339 .help = "Continue on write errors only",
3340 },
3341 { .ival = "io",
3342 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3343 .help = "Continue on any IO errors",
3344 },
3345 { .ival = "verify",
3346 .oval = ERROR_TYPE_VERIFY,
3347 .help = "Continue on verify errors only",
3348 },
3349 { .ival = "all",
3350 .oval = ERROR_TYPE_ANY,
3351 .help = "Continue on all io and verify errors",
3352 },
3353 { .ival = "0",
3354 .oval = ERROR_TYPE_NONE,
3355 .help = "Alias for 'none'",
3356 },
3357 { .ival = "1",
3358 .oval = ERROR_TYPE_ANY,
3359 .help = "Alias for 'all'",
3360 },
3361 },
f2bba182 3362 },
8b28bd41
DM		 3363 {
3364 .name = "ignore_error",
3365 .type = FIO_OPT_STR,
3366 .cb = str_ignore_error_cb,
3367 .help = "Set a specific list of errors to ignore",
3368 .parent = "rw",
a94eb99a 3369 .category = FIO_OPT_C_GENERAL,
bc3f552f 3370 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3371 },
3372 {
3373 .name = "error_dump",
3374 .type = FIO_OPT_BOOL,
3375 .off1 = td_var_offset(error_dump),
3376 .def = "0",
3377 .help = "Dump info on each error",
a94eb99a 3378 .category = FIO_OPT_C_GENERAL,
bc3f552f 3379 .group = FIO_OPT_G_ERR,
8b28bd41 3380 },
9ac8a797
JA		 3381 {
3382 .name = "profile",
e8b0e958 3383 .lname = "Profile",
79d16311 3384 .type = FIO_OPT_STR_STORE,
9ac8a797 3385 .off1 = td_var_offset(profile),
9ac8a797 3386 .help = "Select a specific builtin performance test",
13fca827 3387 .category = FIO_OPT_C_PROFILE,
e8b0e958 3388 .group = FIO_OPT_G_INVALID,
9ac8a797 3389 },
a696fa2a
JA		 3390 {
3391 .name = "cgroup",
e8b0e958 3392 .lname = "Cgroup",
a696fa2a
JA		 3393 .type = FIO_OPT_STR_STORE,
3394 .off1 = td_var_offset(cgroup),
3395 .help = "Add job to cgroup of this name",
e8b0e958 3396 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3397 .group = FIO_OPT_G_CGROUP,
3398 },
3399 {
3400 .name = "cgroup_nodelete",
3401 .lname = "Cgroup no-delete",
3402 .type = FIO_OPT_BOOL,
3403 .off1 = td_var_offset(cgroup_nodelete),
3404 .help = "Do not delete cgroups after job completion",
3405 .def = "0",
3406 .parent = "cgroup",
3407 .category = FIO_OPT_C_GENERAL,
3408 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3409 },
3410 {
3411 .name = "cgroup_weight",
e8b0e958 3412 .lname = "Cgroup weight",
a696fa2a
JA		 3413 .type = FIO_OPT_INT,
3414 .off1 = td_var_offset(cgroup_weight),
3415 .help = "Use given weight for cgroup",
3416 .minval = 100,
3417 .maxval = 1000,
a1f6afec 3418 .parent = "cgroup",
e8b0e958 3419 .category = FIO_OPT_C_GENERAL,
a1f6afec 3420 .group = FIO_OPT_G_CGROUP,
7de87099 3421 },
e0b0d892
JA		 3422 {
3423 .name = "uid",
e8b0e958 3424 .lname = "User ID",
e0b0d892
JA		 3425 .type = FIO_OPT_INT,
3426 .off1 = td_var_offset(uid),
3427 .help = "Run job with this user ID",
e8b0e958 3428 .category = FIO_OPT_C_GENERAL,
10860056 3429 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3430 },
3431 {
3432 .name = "gid",
e8b0e958 3433 .lname = "Group ID",
e0b0d892
JA		 3434 .type = FIO_OPT_INT,
3435 .off1 = td_var_offset(gid),
3436 .help = "Run job with this group ID",
e8b0e958 3437 .category = FIO_OPT_C_GENERAL,
10860056 3438 .group = FIO_OPT_G_CRED,
e0b0d892 3439 },
a1f6afec
JA		 3440 {
3441 .name = "kb_base",
3442 .lname = "KB Base",
3443 .type = FIO_OPT_INT,
3444 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3445 .prio = 1,
3446 .def = "1024",
ba9c7219
JA		 3447 .posval = {
3448 { .ival = "1024",
3449 .oval = 1024,
3450 .help = "Use 1024 as the K base",
3451 },
3452 { .ival = "1000",
3453 .oval = 1000,
3454 .help = "Use 1000 as the K base",
3455 },
3456 },
a1f6afec
JA		 3457 .help = "How many bytes per KB for reporting (1000 or 1024)",
3458 .category = FIO_OPT_C_GENERAL,
3459 .group = FIO_OPT_G_INVALID,
3460 },
cf3a0518
JA		 3461 {
3462 .name = "unit_base",
ba9c7219 3463 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3464 .type = FIO_OPT_INT,
3465 .off1 = td_var_offset(unit_base),
cf3a0518 3466 .prio = 1,
71a08258
JA		 3467 .posval = {
3468 { .ival = "0",
3469 .oval = 0,
3470 .help = "Auto-detect",
3471 },
3472 { .ival = "8",
3473 .oval = 8,
3474 .help = "Normal (byte based)",
3475 },
3476 { .ival = "1",
3477 .oval = 1,
3478 .help = "Bit based",
3479 },
3480 },
cf3a0518
JA		 3481 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3482 .category = FIO_OPT_C_GENERAL,
3483 .group = FIO_OPT_G_INVALID,
3484 },
3ceb458f
JA		 3485 {
3486 .name = "hugepage-size",
3487 .lname = "Hugepage size",
3488 .type = FIO_OPT_INT,
3489 .off1 = td_var_offset(hugepage_size),
3490 .help = "When using hugepages, specify size of each page",
3491 .def = __fio_stringify(FIO_HUGE_PAGE),
3492 .interval = 1024 * 1024,
3493 .category = FIO_OPT_C_GENERAL,
3494 .group = FIO_OPT_G_INVALID,
3495 },
9e684a49
DE		 3496 {
3497 .name = "flow_id",
e8b0e958 3498 .lname = "I/O flow ID",
9e684a49
DE		 3499 .type = FIO_OPT_INT,
3500 .off1 = td_var_offset(flow_id),
3501 .help = "The flow index ID to use",
3502 .def = "0",
e8b0e958
JA		 3503 .category = FIO_OPT_C_IO,
3504 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3505 },
3506 {
3507 .name = "flow",
e8b0e958 3508 .lname = "I/O flow weight",
9e684a49
DE		 3509 .type = FIO_OPT_INT,
3510 .off1 = td_var_offset(flow),
3511 .help = "Weight for flow control of this job",
3512 .parent = "flow_id",
d71c154c 3513 .hide = 1,
9e684a49 3514 .def = "0",
e8b0e958
JA		 3515 .category = FIO_OPT_C_IO,
3516 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3517 },
3518 {
3519 .name = "flow_watermark",
e8b0e958 3520 .lname = "I/O flow watermark",
9e684a49
DE		 3521 .type = FIO_OPT_INT,
3522 .off1 = td_var_offset(flow_watermark),
3523 .help = "High watermark for flow control. This option"
3524 " should be set to the same value for all threads"
3525 " with non-zero flow.",
3526 .parent = "flow_id",
d71c154c 3527 .hide = 1,
9e684a49 3528 .def = "1024",
e8b0e958
JA		 3529 .category = FIO_OPT_C_IO,
3530 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3531 },
3532 {
3533 .name = "flow_sleep",
e8b0e958 3534 .lname = "I/O flow sleep",
9e684a49
DE		 3535 .type = FIO_OPT_INT,
3536 .off1 = td_var_offset(flow_sleep),
3537 .help = "How many microseconds to sleep after being held"
3538 " back by the flow control mechanism",
3539 .parent = "flow_id",
d71c154c 3540 .hide = 1,
9e684a49 3541 .def = "0",
e8b0e958
JA		 3542 .category = FIO_OPT_C_IO,
3543 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3544 },
214e1eca
JA		 3545 {
3546 .name = NULL,
3547 },
3548};
3549
17af15d4 3550static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3551 const char *name, int val)
9f81736c 3552{
17af15d4