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Avoid buildenv conditional in thread_option struct
[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
214e1eca
JA		 1536 { .ival = "external",
1537 .help = "Load external engine (append name)",
1538 },
1539 },
1540 },
1541 {
1542 .name = "iodepth",
e8b0e958 1543 .lname = "IO Depth",
214e1eca
JA		 1544 .type = FIO_OPT_INT,
1545 .off1 = td_var_offset(iodepth),
03e20d68 1546 .help = "Number of IO buffers to keep in flight",
757aff4f 1547 .minval = 1,
20eb06bd 1548 .interval = 1,
214e1eca 1549 .def = "1",
e8b0e958 1550 .category = FIO_OPT_C_IO,
0626037e 1551 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1552 },
1553 {
1554 .name = "iodepth_batch",
e8b0e958 1555 .lname = "IO Depth batch",
4950421a 1556 .alias = "iodepth_batch_submit",
214e1eca
JA		 1557 .type = FIO_OPT_INT,
1558 .off1 = td_var_offset(iodepth_batch),
d65db441 1559 .help = "Number of IO buffers to submit in one go",
afdf9352 1560 .parent = "iodepth",
d71c154c 1561 .hide = 1,
a2e6f8ac 1562 .minval = 1,
20eb06bd 1563 .interval = 1,
a2e6f8ac 1564 .def = "1",
e8b0e958 1565 .category = FIO_OPT_C_IO,
0626037e 1566 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1567 },
1568 {
1569 .name = "iodepth_batch_complete",
e8b0e958 1570 .lname = "IO Depth batch complete",
4950421a
JA		 1571 .type = FIO_OPT_INT,
1572 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1573 .help = "Number of IO buffers to retrieve in one go",
4950421a 1574 .parent = "iodepth",
d71c154c 1575 .hide = 1,
4950421a 1576 .minval = 0,
20eb06bd 1577 .interval = 1,
4950421a 1578 .def = "1",
e8b0e958 1579 .category = FIO_OPT_C_IO,
0626037e 1580 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1581 },
1582 {
1583 .name = "iodepth_low",
e8b0e958 1584 .lname = "IO Depth batch low",
214e1eca
JA		 1585 .type = FIO_OPT_INT,
1586 .off1 = td_var_offset(iodepth_low),
1587 .help = "Low water mark for queuing depth",
afdf9352 1588 .parent = "iodepth",
d71c154c 1589 .hide = 1,
20eb06bd 1590 .interval = 1,
e8b0e958 1591 .category = FIO_OPT_C_IO,
0626037e 1592 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1593 },
1594 {
1595 .name = "size",
e8b0e958 1596 .lname = "Size",
214e1eca 1597 .type = FIO_OPT_STR_VAL,
7bb59102 1598 .cb = str_size_cb,
214e1eca 1599 .help = "Total size of device or files",
20eb06bd 1600 .interval = 1024 * 1024,
e8b0e958
JA		 1601 .category = FIO_OPT_C_IO,
1602 .group = FIO_OPT_G_INVALID,
214e1eca 1603 },
77731b29
JA		 1604 {
1605 .name = "io_limit",
1606 .lname = "IO Limit",
1607 .type = FIO_OPT_STR_VAL,
1608 .off1 = td_var_offset(io_limit),
1609 .interval = 1024 * 1024,
1610 .category = FIO_OPT_C_IO,
1611 .group = FIO_OPT_G_INVALID,
1612 },
aa31f1f1
SL		 1613 {
1614 .name = "fill_device",
e8b0e958 1615 .lname = "Fill device",
74586c1e 1616 .alias = "fill_fs",
aa31f1f1
SL		 1617 .type = FIO_OPT_BOOL,
1618 .off1 = td_var_offset(fill_device),
1619 .help = "Write until an ENOSPC error occurs",
1620 .def = "0",
e8b0e958
JA		 1621 .category = FIO_OPT_C_FILE,
1622 .group = FIO_OPT_G_INVALID,
aa31f1f1 1623 },
214e1eca
JA		 1624 {
1625 .name = "filesize",
e8b0e958 1626 .lname = "File size",
214e1eca
JA		 1627 .type = FIO_OPT_STR_VAL,
1628 .off1 = td_var_offset(file_size_low),
1629 .off2 = td_var_offset(file_size_high),
c3edbdba 1630 .minval = 1,
214e1eca 1631 .help = "Size of individual files",
20eb06bd 1632 .interval = 1024 * 1024,
e8b0e958
JA		 1633 .category = FIO_OPT_C_FILE,
1634 .group = FIO_OPT_G_INVALID,
214e1eca 1635 },
bedc9dc2
JA		 1636 {
1637 .name = "file_append",
1638 .lname = "File append",
1639 .type = FIO_OPT_BOOL,
1640 .off1 = td_var_offset(file_append),
1641 .help = "IO will start at the end of the file(s)",
1642 .def = "0",
1643 .category = FIO_OPT_C_FILE,
1644 .group = FIO_OPT_G_INVALID,
1645 },
67a1000f
JA		 1646 {
1647 .name = "offset",
e8b0e958 1648 .lname = "IO offset",
67a1000f
JA		 1649 .alias = "fileoffset",
1650 .type = FIO_OPT_STR_VAL,
1651 .off1 = td_var_offset(start_offset),
1652 .help = "Start IO from this offset",
1653 .def = "0",
20eb06bd 1654 .interval = 1024 * 1024,
e8b0e958
JA		 1655 .category = FIO_OPT_C_IO,
1656 .group = FIO_OPT_G_INVALID,
67a1000f 1657 },
2d7cd868
JA		 1658 {
1659 .name = "offset_increment",
e8b0e958 1660 .lname = "IO offset increment",
2d7cd868
JA		 1661 .type = FIO_OPT_STR_VAL,
1662 .off1 = td_var_offset(offset_increment),
1663 .help = "What is the increment from one offset to the next",
1664 .parent = "offset",
d71c154c 1665 .hide = 1,
2d7cd868 1666 .def = "0",
20eb06bd 1667 .interval = 1024 * 1024,
e8b0e958
JA		 1668 .category = FIO_OPT_C_IO,
1669 .group = FIO_OPT_G_INVALID,
2d7cd868 1670 },
ddf24e42
JA		 1671 {
1672 .name = "number_ios",
1673 .lname = "Number of IOs to perform",
1674 .type = FIO_OPT_STR_VAL,
1675 .off1 = td_var_offset(number_ios),
1676 .help = "Force job completion of this number of IOs",
1677 .def = "0",
1678 .category = FIO_OPT_C_IO,
1679 .group = FIO_OPT_G_INVALID,
1680 },
214e1eca
JA		 1681 {
1682 .name = "bs",
e8b0e958 1683 .lname = "Block size",
d3aad8f2 1684 .alias = "blocksize",
e01b22b8 1685 .type = FIO_OPT_INT,
214e1eca
JA		 1686 .off1 = td_var_offset(bs[DDIR_READ]),
1687 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1688 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1689 .minval = 1,
214e1eca
JA		 1690 .help = "Block size unit",
1691 .def = "4k",
67a1000f 1692 .parent = "rw",
d71c154c 1693 .hide = 1,
20eb06bd 1694 .interval = 512,
e8b0e958
JA		 1695 .category = FIO_OPT_C_IO,
1696 .group = FIO_OPT_G_INVALID,
214e1eca 1697 },
2b7a01d0
JA		 1698 {
1699 .name = "ba",
e8b0e958 1700 .lname = "Block size align",
2b7a01d0 1701 .alias = "blockalign",
e01b22b8 1702 .type = FIO_OPT_INT,
2b7a01d0
JA		 1703 .off1 = td_var_offset(ba[DDIR_READ]),
1704 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1705 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1706 .minval = 1,
1707 .help = "IO block offset alignment",
1708 .parent = "rw",
d71c154c 1709 .hide = 1,
20eb06bd 1710 .interval = 512,
e8b0e958
JA		 1711 .category = FIO_OPT_C_IO,
1712 .group = FIO_OPT_G_INVALID,
2b7a01d0 1713 },
214e1eca
JA		 1714 {
1715 .name = "bsrange",
e8b0e958 1716 .lname = "Block size range",
d3aad8f2 1717 .alias = "blocksize_range",
214e1eca
JA		 1718 .type = FIO_OPT_RANGE,
1719 .off1 = td_var_offset(min_bs[DDIR_READ]),
1720 .off2 = td_var_offset(max_bs[DDIR_READ]),
1721 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1722 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1723 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1724 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1725 .minval = 1,
214e1eca 1726 .help = "Set block size range (in more detail than bs)",
67a1000f 1727 .parent = "rw",
d71c154c 1728 .hide = 1,
20eb06bd 1729 .interval = 4096,
e8b0e958
JA		 1730 .category = FIO_OPT_C_IO,
1731 .group = FIO_OPT_G_INVALID,
214e1eca 1732 },
564ca972
JA		 1733 {
1734 .name = "bssplit",
e8b0e958 1735 .lname = "Block size split",
564ca972
JA		 1736 .type = FIO_OPT_STR,
1737 .cb = str_bssplit_cb,
1738 .help = "Set a specific mix of block sizes",
1739 .parent = "rw",
d71c154c 1740 .hide = 1,
e8b0e958
JA		 1741 .category = FIO_OPT_C_IO,
1742 .group = FIO_OPT_G_INVALID,
564ca972 1743 },
214e1eca
JA		 1744 {
1745 .name = "bs_unaligned",
e8b0e958 1746 .lname = "Block size unaligned",
d3aad8f2 1747 .alias = "blocksize_unaligned",
214e1eca
JA		 1748 .type = FIO_OPT_STR_SET,
1749 .off1 = td_var_offset(bs_unaligned),
1750 .help = "Don't sector align IO buffer sizes",
67a1000f 1751 .parent = "rw",
d71c154c 1752 .hide = 1,
e8b0e958
JA		 1753 .category = FIO_OPT_C_IO,
1754 .group = FIO_OPT_G_INVALID,
214e1eca 1755 },
6aca9b3d
JA		 1756 {
1757 .name = "bs_is_seq_rand",
1758 .lname = "Block size division is seq/random (not read/write)",
1759 .type = FIO_OPT_BOOL,
1760 .off1 = td_var_offset(bs_is_seq_rand),
1761 .help = "Consider any blocksize setting to be sequential,ramdom",
1762 .def = "0",
1763 .parent = "blocksize",
1764 .category = FIO_OPT_C_IO,
1765 .group = FIO_OPT_G_INVALID,
1766 },
214e1eca
JA		 1767 {
1768 .name = "randrepeat",
e8b0e958 1769 .lname = "Random repeatable",
214e1eca
JA		 1770 .type = FIO_OPT_BOOL,
1771 .off1 = td_var_offset(rand_repeatable),
1772 .help = "Use repeatable random IO pattern",
1773 .def = "1",
67a1000f 1774 .parent = "rw",
d71c154c 1775 .hide = 1,
e8b0e958 1776 .category = FIO_OPT_C_IO,
3ceb458f 1777 .group = FIO_OPT_G_RANDOM,
214e1eca 1778 },
04778baf
JA		 1779 {
1780 .name = "randseed",
1781 .lname = "The random generator seed",
363cffa7 1782 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1783 .off1 = td_var_offset(rand_seed),
1784 .help = "Set the random generator seed value",
1785 .parent = "rw",
1786 .category = FIO_OPT_C_IO,
1787 .group = FIO_OPT_G_RANDOM,
1788 },
2615cc4b
JA		 1789 {
1790 .name = "use_os_rand",
e8b0e958 1791 .lname = "Use OS random",
2615cc4b
JA		 1792 .type = FIO_OPT_BOOL,
1793 .off1 = td_var_offset(use_os_rand),
1794 .help = "Set to use OS random generator",
1795 .def = "0",
1796 .parent = "rw",
d71c154c 1797 .hide = 1,
e8b0e958 1798 .category = FIO_OPT_C_IO,
3ceb458f 1799 .group = FIO_OPT_G_RANDOM,
2615cc4b 1800 },
214e1eca
JA		 1801 {
1802 .name = "norandommap",
e8b0e958 1803 .lname = "No randommap",
214e1eca
JA		 1804 .type = FIO_OPT_STR_SET,
1805 .off1 = td_var_offset(norandommap),
1806 .help = "Accept potential duplicate random blocks",
67a1000f 1807 .parent = "rw",
d71c154c 1808 .hide = 1,
b2452a43 1809 .hide_on_set = 1,
e8b0e958 1810 .category = FIO_OPT_C_IO,
3ceb458f 1811 .group = FIO_OPT_G_RANDOM,
214e1eca 1812 },
2b386d25
JA		 1813 {
1814 .name = "softrandommap",
e8b0e958 1815 .lname = "Soft randommap",
2b386d25
JA		 1816 .type = FIO_OPT_BOOL,
1817 .off1 = td_var_offset(softrandommap),
f66ab3c8 1818 .help = "Set norandommap if randommap allocation fails",
2b386d25 1819 .parent = "norandommap",
d71c154c 1820 .hide = 1,
2b386d25 1821 .def = "0",
e8b0e958 1822 .category = FIO_OPT_C_IO,
3ceb458f 1823 .group = FIO_OPT_G_RANDOM,
2b386d25 1824 },
8055e41d
JA		 1825 {
1826 .name = "random_generator",
1827 .type = FIO_OPT_STR,
1828 .off1 = td_var_offset(random_generator),
1829 .help = "Type of random number generator to use",
1830 .def = "tausworthe",
1831 .posval = {
1832 { .ival = "tausworthe",
1833 .oval = FIO_RAND_GEN_TAUSWORTHE,
1834 .help = "Strong Tausworthe generator",
1835 },
1836 { .ival = "lfsr",
1837 .oval = FIO_RAND_GEN_LFSR,
1838 .help = "Variable length LFSR",
1839 },
1840 },
48107598
JA		 1841 .category = FIO_OPT_C_IO,
1842 .group = FIO_OPT_G_RANDOM,
8055e41d 1843 },
e25839d4
JA		 1844 {
1845 .name = "random_distribution",
1846 .type = FIO_OPT_STR,
1847 .off1 = td_var_offset(random_distribution),
1848 .cb = str_random_distribution_cb,
1849 .help = "Random offset distribution generator",
1850 .def = "random",
1851 .posval = {
1852 { .ival = "random",
1853 .oval = FIO_RAND_DIST_RANDOM,
1854 .help = "Completely random",
1855 },
1856 { .ival = "zipf",
1857 .oval = FIO_RAND_DIST_ZIPF,
1858 .help = "Zipf distribution",
1859 },
925fee33
JA		 1860 { .ival = "pareto",
1861 .oval = FIO_RAND_DIST_PARETO,
1862 .help = "Pareto distribution",
1863 },
e25839d4 1864 },
48107598
JA		 1865 .category = FIO_OPT_C_IO,
1866 .group = FIO_OPT_G_RANDOM,
e25839d4 1867 },
211c9b89
JA		 1868 {
1869 .name = "percentage_random",
1870 .lname = "Percentage Random",
1871 .type = FIO_OPT_INT,
d9472271
JA		 1872 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1873 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1874 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1875 .maxval = 100,
1876 .help = "Percentage of seq/random mix that should be random",
d9472271 1877 .def = "100,100,100",
211c9b89
JA		 1878 .interval = 5,
1879 .inverse = "percentage_sequential",
1880 .category = FIO_OPT_C_IO,
1881 .group = FIO_OPT_G_RANDOM,
1882 },
1883 {
1884 .name = "percentage_sequential",
1885 .lname = "Percentage Sequential",
d9472271 1886 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1887 .category = FIO_OPT_C_IO,
1888 .group = FIO_OPT_G_RANDOM,
1889 },
56e2a5fc
CE		 1890 {
1891 .name = "allrandrepeat",
1892 .type = FIO_OPT_BOOL,
1893 .off1 = td_var_offset(allrand_repeatable),
1894 .help = "Use repeatable random numbers for everything",
1895 .def = "0",
a869d9c6
JA		 1896 .category = FIO_OPT_C_IO,
1897 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1898 },
214e1eca
JA		 1899 {
1900 .name = "nrfiles",
e8b0e958 1901 .lname = "Number of files",
d7c8be03 1902 .alias = "nr_files",
214e1eca
JA		 1903 .type = FIO_OPT_INT,
1904 .off1 = td_var_offset(nr_files),
1905 .help = "Split job workload between this number of files",
1906 .def = "1",
20eb06bd 1907 .interval = 1,
e8b0e958
JA		 1908 .category = FIO_OPT_C_FILE,
1909 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1910 },
1911 {
1912 .name = "openfiles",
e8b0e958 1913 .lname = "Number of open files",
214e1eca
JA		 1914 .type = FIO_OPT_INT,
1915 .off1 = td_var_offset(open_files),
1916 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1917 .category = FIO_OPT_C_FILE,
1918 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1919 },
1920 {
1921 .name = "file_service_type",
e8b0e958 1922 .lname = "File service type",
214e1eca
JA		 1923 .type = FIO_OPT_STR,
1924 .cb = str_fst_cb,
1925 .off1 = td_var_offset(file_service_type),
1926 .help = "How to select which file to service next",
1927 .def = "roundrobin",
e8b0e958
JA		 1928 .category = FIO_OPT_C_FILE,
1929 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1930 .posval = {
1931 { .ival = "random",
1932 .oval = FIO_FSERVICE_RANDOM,
1933 .help = "Choose a file at random",
1934 },
1935 { .ival = "roundrobin",
1936 .oval = FIO_FSERVICE_RR,
1937 .help = "Round robin select files",
1938 },
a086c257
JA		 1939 { .ival = "sequential",
1940 .oval = FIO_FSERVICE_SEQ,
1941 .help = "Finish one file before moving to the next",
1942 },
214e1eca 1943 },
67a1000f 1944 .parent = "nrfiles",
d71c154c 1945 .hide = 1,
67a1000f 1946 },
97ac992c 1947#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 1948 {
1949 .name = "fallocate",
e8b0e958 1950 .lname = "Fallocate",
a596f047
EG		 1951 .type = FIO_OPT_STR,
1952 .off1 = td_var_offset(fallocate_mode),
1953 .help = "Whether pre-allocation is performed when laying out files",
1954 .def = "posix",
e8b0e958
JA		 1955 .category = FIO_OPT_C_FILE,
1956 .group = FIO_OPT_G_INVALID,
a596f047
EG		 1957 .posval = {
1958 { .ival = "none",
1959 .oval = FIO_FALLOCATE_NONE,
1960 .help = "Do not pre-allocate space",
1961 },
1962 { .ival = "posix",
1963 .oval = FIO_FALLOCATE_POSIX,
1964 .help = "Use posix_fallocate()",
1965 },
97ac992c 1966#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 1967 { .ival = "keep",
1968 .oval = FIO_FALLOCATE_KEEP_SIZE,
1969 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1970 },
7bc8c2cf 1971#endif
a596f047
EG		 1972 /* Compatibility with former boolean values */
1973 { .ival = "0",
1974 .oval = FIO_FALLOCATE_NONE,
1975 .help = "Alias for 'none'",
1976 },
1977 { .ival = "1",
1978 .oval = FIO_FALLOCATE_POSIX,
1979 .help = "Alias for 'posix'",
1980 },
1981 },
1982 },
97ac992c 1983#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 1984 {
1985 .name = "fadvise_hint",
e8b0e958 1986 .lname = "Fadvise hint",
67a1000f
JA		 1987 .type = FIO_OPT_BOOL,
1988 .off1 = td_var_offset(fadvise_hint),
1989 .help = "Use fadvise() to advise the kernel on IO pattern",
1990 .def = "1",
e8b0e958
JA		 1991 .category = FIO_OPT_C_FILE,
1992 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1993 },
1994 {
1995 .name = "fsync",
e8b0e958 1996 .lname = "Fsync",
214e1eca
JA		 1997 .type = FIO_OPT_INT,
1998 .off1 = td_var_offset(fsync_blocks),
1999 .help = "Issue fsync for writes every given number of blocks",
2000 .def = "0",
20eb06bd 2001 .interval = 1,
e8b0e958
JA		 2002 .category = FIO_OPT_C_FILE,
2003 .group = FIO_OPT_G_INVALID,
214e1eca 2004 },
5f9099ea
JA		 2005 {
2006 .name = "fdatasync",
e8b0e958 2007 .lname = "Fdatasync",
5f9099ea
JA		 2008 .type = FIO_OPT_INT,
2009 .off1 = td_var_offset(fdatasync_blocks),
2010 .help = "Issue fdatasync for writes every given number of blocks",
2011 .def = "0",
20eb06bd 2012 .interval = 1,
e8b0e958
JA		 2013 .category = FIO_OPT_C_FILE,
2014 .group = FIO_OPT_G_INVALID,
5f9099ea 2015 },
1ef2b6be
JA		 2016 {
2017 .name = "write_barrier",
e8b0e958 2018 .lname = "Write barrier",
1ef2b6be
JA		 2019 .type = FIO_OPT_INT,
2020 .off1 = td_var_offset(barrier_blocks),
2021 .help = "Make every Nth write a barrier write",
2022 .def = "0",
20eb06bd 2023 .interval = 1,
e8b0e958
JA		 2024 .category = FIO_OPT_C_IO,
2025 .group = FIO_OPT_G_INVALID,
1ef2b6be 2026 },
67bf9823 2027#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2028 {
2029 .name = "sync_file_range",
e8b0e958 2030 .lname = "Sync file range",
44f29692
JA		 2031 .posval = {
2032 { .ival = "wait_before",
2033 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2034 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2035 .orval = 1,
44f29692
JA		 2036 },
2037 { .ival = "write",
2038 .oval = SYNC_FILE_RANGE_WRITE,
2039 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2040 .orval = 1,
44f29692
JA		 2041 },
2042 {
2043 .ival = "wait_after",
2044 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2045 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2046 .orval = 1,
44f29692
JA		 2047 },
2048 },
3843deb3 2049 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2050 .cb = str_sfr_cb,
2051 .off1 = td_var_offset(sync_file_range),
2052 .help = "Use sync_file_range()",
e8b0e958
JA		 2053 .category = FIO_OPT_C_FILE,
2054 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2055 },
2056#endif
214e1eca
JA		 2057 {
2058 .name = "direct",
e8b0e958 2059 .lname = "Direct I/O",
214e1eca
JA		 2060 .type = FIO_OPT_BOOL,
2061 .off1 = td_var_offset(odirect),
2062 .help = "Use O_DIRECT IO (negates buffered)",
2063 .def = "0",
a01a1bc5 2064 .inverse = "buffered",
e8b0e958 2065 .category = FIO_OPT_C_IO,
3ceb458f 2066 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2067 },
d01612f3
CM		 2068 {
2069 .name = "atomic",
2070 .lname = "Atomic I/O",
2071 .type = FIO_OPT_BOOL,
2072 .off1 = td_var_offset(oatomic),
2073 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2074 .def = "0",
2075 .category = FIO_OPT_C_IO,
2076 .group = FIO_OPT_G_IO_TYPE,
2077 },
214e1eca
JA		 2078 {
2079 .name = "buffered",
e8b0e958 2080 .lname = "Buffered I/O",
214e1eca
JA		 2081 .type = FIO_OPT_BOOL,
2082 .off1 = td_var_offset(odirect),
2083 .neg = 1,
2084 .help = "Use buffered IO (negates direct)",
2085 .def = "1",
a01a1bc5 2086 .inverse = "direct",
e8b0e958 2087 .category = FIO_OPT_C_IO,
3ceb458f 2088 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2089 },
2090 {
2091 .name = "overwrite",
e8b0e958 2092 .lname = "Overwrite",
214e1eca
JA		 2093 .type = FIO_OPT_BOOL,
2094 .off1 = td_var_offset(overwrite),
2095 .help = "When writing, set whether to overwrite current data",
2096 .def = "0",
e8b0e958
JA		 2097 .category = FIO_OPT_C_FILE,
2098 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2099 },
2100 {
2101 .name = "loops",
e8b0e958 2102 .lname = "Loops",
214e1eca
JA		 2103 .type = FIO_OPT_INT,
2104 .off1 = td_var_offset(loops),
2105 .help = "Number of times to run the job",
2106 .def = "1",
20eb06bd 2107 .interval = 1,
e8b0e958 2108 .category = FIO_OPT_C_GENERAL,
a1f6afec 2109 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2110 },
2111 {
2112 .name = "numjobs",
e8b0e958 2113 .lname = "Number of jobs",
214e1eca
JA		 2114 .type = FIO_OPT_INT,
2115 .off1 = td_var_offset(numjobs),
2116 .help = "Duplicate this job this many times",
2117 .def = "1",
20eb06bd 2118 .interval = 1,
e8b0e958 2119 .category = FIO_OPT_C_GENERAL,
a1f6afec 2120 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2121 },
2122 {
2123 .name = "startdelay",
e8b0e958 2124 .lname = "Start delay",
a5737c93 2125 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2126 .off1 = td_var_offset(start_delay),
23ed19b0 2127 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2128 .help = "Only start job when this period has passed",
2129 .def = "0",
0de5b26f 2130 .is_seconds = 1,
e8b0e958 2131 .category = FIO_OPT_C_GENERAL,
a1f6afec 2132 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2133 },
2134 {
2135 .name = "runtime",
e8b0e958 2136 .lname = "Runtime",
214e1eca
JA		 2137 .alias = "timeout",
2138 .type = FIO_OPT_STR_VAL_TIME,
2139 .off1 = td_var_offset(timeout),
2140 .help = "Stop workload when this amount of time has passed",
2141 .def = "0",
0de5b26f 2142 .is_seconds = 1,
e8b0e958 2143 .category = FIO_OPT_C_GENERAL,
a1f6afec 2144 .group = FIO_OPT_G_RUNTIME,
214e1eca 2145 },
cf4464ca
JA		 2146 {
2147 .name = "time_based",
e8b0e958 2148 .lname = "Time based",
cf4464ca
JA		 2149 .type = FIO_OPT_STR_SET,
2150 .off1 = td_var_offset(time_based),
2151 .help = "Keep running until runtime/timeout is met",
e8b0e958 2152 .category = FIO_OPT_C_GENERAL,
a1f6afec 2153 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2154 },
62167762
JC		 2155 {
2156 .name = "verify_only",
2157 .lname = "Verify only",
2158 .type = FIO_OPT_STR_SET,
2159 .off1 = td_var_offset(verify_only),
2160 .help = "Verifies previously written data is still valid",
2161 .category = FIO_OPT_C_GENERAL,
2162 .group = FIO_OPT_G_RUNTIME,
2163 },
721938ae
JA		 2164 {
2165 .name = "ramp_time",
e8b0e958 2166 .lname = "Ramp time",
721938ae
JA		 2167 .type = FIO_OPT_STR_VAL_TIME,
2168 .off1 = td_var_offset(ramp_time),
2169 .help = "Ramp up time before measuring performance",
0de5b26f 2170 .is_seconds = 1,
e8b0e958 2171 .category = FIO_OPT_C_GENERAL,
a1f6afec 2172 .group = FIO_OPT_G_RUNTIME,
721938ae 2173 },
c223da83
JA		 2174 {
2175 .name = "clocksource",
e8b0e958 2176 .lname = "Clock source",
c223da83
JA		 2177 .type = FIO_OPT_STR,
2178 .cb = fio_clock_source_cb,
2179 .off1 = td_var_offset(clocksource),
2180 .help = "What type of timing source to use",
e8b0e958 2181 .category = FIO_OPT_C_GENERAL,
10860056 2182 .group = FIO_OPT_G_CLOCK,
c223da83 2183 .posval = {
67bf9823 2184#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2185 { .ival = "gettimeofday",
2186 .oval = CS_GTOD,
2187 .help = "Use gettimeofday(2) for timing",
2188 },
67bf9823
JA		 2189#endif
2190#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2191 { .ival = "clock_gettime",
2192 .oval = CS_CGETTIME,
2193 .help = "Use clock_gettime(2) for timing",
2194 },
67bf9823 2195#endif
c223da83
JA		 2196#ifdef ARCH_HAVE_CPU_CLOCK
2197 { .ival = "cpu",
2198 .oval = CS_CPUCLOCK,
2199 .help = "Use CPU private clock",
2200 },
2201#endif
2202 },
2203 },
214e1eca
JA		 2204 {
2205 .name = "mem",
d3aad8f2 2206 .alias = "iomem",
e8b0e958 2207 .lname = "I/O Memory",
214e1eca
JA		 2208 .type = FIO_OPT_STR,
2209 .cb = str_mem_cb,
2210 .off1 = td_var_offset(mem_type),
2211 .help = "Backing type for IO buffers",
2212 .def = "malloc",
e8b0e958
JA		 2213 .category = FIO_OPT_C_IO,
2214 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2215 .posval = {
2216 { .ival = "malloc",
2217 .oval = MEM_MALLOC,
2218 .help = "Use malloc(3) for IO buffers",
2219 },
37c8cdfe
JA		 2220 { .ival = "shm",
2221 .oval = MEM_SHM,
2222 .help = "Use shared memory segments for IO buffers",
2223 },
214e1eca
JA		 2224#ifdef FIO_HAVE_HUGETLB
2225 { .ival = "shmhuge",
2226 .oval = MEM_SHMHUGE,
2227 .help = "Like shm, but use huge pages",
2228 },
b370e46a 2229#endif
37c8cdfe
JA		 2230 { .ival = "mmap",
2231 .oval = MEM_MMAP,
2232 .help = "Use mmap(2) (file or anon) for IO buffers",
2233 },
214e1eca
JA		 2234#ifdef FIO_HAVE_HUGETLB
2235 { .ival = "mmaphuge",
2236 .oval = MEM_MMAPHUGE,
2237 .help = "Like mmap, but use huge pages",
2238 },
2239#endif
2240 },
2241 },
d529ee19
JA		 2242 {
2243 .name = "iomem_align",
2244 .alias = "mem_align",
e8b0e958 2245 .lname = "I/O memory alignment",
d529ee19
JA		 2246 .type = FIO_OPT_INT,
2247 .off1 = td_var_offset(mem_align),
2248 .minval = 0,
2249 .help = "IO memory buffer offset alignment",
2250 .def = "0",
2251 .parent = "iomem",
d71c154c 2252 .hide = 1,
e8b0e958
JA		 2253 .category = FIO_OPT_C_IO,
2254 .group = FIO_OPT_G_INVALID,
d529ee19 2255 },
214e1eca
JA		 2256 {
2257 .name = "verify",
e8b0e958 2258 .lname = "Verify",
214e1eca
JA		 2259 .type = FIO_OPT_STR,
2260 .off1 = td_var_offset(verify),
2261 .help = "Verify data written",
2262 .def = "0",
e8b0e958 2263 .category = FIO_OPT_C_IO,
3ceb458f 2264 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2265 .posval = {
2266 { .ival = "0",
2267 .oval = VERIFY_NONE,
2268 .help = "Don't do IO verification",
2269 },
fcca4b58
JA		 2270 { .ival = "md5",
2271 .oval = VERIFY_MD5,
2272 .help = "Use md5 checksums for verification",
2273 },
d77a7af3
JA		 2274 { .ival = "crc64",
2275 .oval = VERIFY_CRC64,
2276 .help = "Use crc64 checksums for verification",
2277 },
214e1eca
JA		 2278 { .ival = "crc32",
2279 .oval = VERIFY_CRC32,
2280 .help = "Use crc32 checksums for verification",
2281 },
af497e6a 2282 { .ival = "crc32c-intel",
e3aaafc4
JA		 2283 .oval = VERIFY_CRC32C,
2284 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2285 },
bac39e0e
JA		 2286 { .ival = "crc32c",
2287 .oval = VERIFY_CRC32C,
e3aaafc4 2288 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2289 },
969f7ed3
JA		 2290 { .ival = "crc16",
2291 .oval = VERIFY_CRC16,
2292 .help = "Use crc16 checksums for verification",
2293 },
1e154bdb
JA		 2294 { .ival = "crc7",
2295 .oval = VERIFY_CRC7,
2296 .help = "Use crc7 checksums for verification",
2297 },
7c353ceb
JA		 2298 { .ival = "sha1",
2299 .oval = VERIFY_SHA1,
2300 .help = "Use sha1 checksums for verification",
2301 },
cd14cc10
JA		 2302 { .ival = "sha256",
2303 .oval = VERIFY_SHA256,
2304 .help = "Use sha256 checksums for verification",
2305 },
2306 { .ival = "sha512",
2307 .oval = VERIFY_SHA512,
2308 .help = "Use sha512 checksums for verification",
2309 },
844ea602
JA		 2310 { .ival = "xxhash",
2311 .oval = VERIFY_XXHASH,
2312 .help = "Use xxhash checksums for verification",
2313 },
7437ee87
SL		 2314 { .ival = "meta",
2315 .oval = VERIFY_META,
2316 .help = "Use io information",
2317 },
36690c9b
JA		 2318 {
2319 .ival = "null",
2320 .oval = VERIFY_NULL,
2321 .help = "Pretend to verify",
2322 },
214e1eca
JA		 2323 },
2324 },
005c565a
JA		 2325 {
2326 .name = "do_verify",
e8b0e958 2327 .lname = "Perform verify step",
68e1f29a 2328 .type = FIO_OPT_BOOL,
005c565a
JA		 2329 .off1 = td_var_offset(do_verify),
2330 .help = "Run verification stage after write",
2331 .def = "1",
2332 .parent = "verify",
d71c154c 2333 .hide = 1,
e8b0e958
JA		 2334 .category = FIO_OPT_C_IO,
2335 .group = FIO_OPT_G_VERIFY,
005c565a 2336 },
160b966d
JA		 2337 {
2338 .name = "verifysort",
e8b0e958 2339 .lname = "Verify sort",
160b966d
JA		 2340 .type = FIO_OPT_BOOL,
2341 .off1 = td_var_offset(verifysort),
2342 .help = "Sort written verify blocks for read back",
2343 .def = "1",
c83f2df1 2344 .parent = "verify",
d71c154c 2345 .hide = 1,
e8b0e958
JA		 2346 .category = FIO_OPT_C_IO,
2347 .group = FIO_OPT_G_VERIFY,
160b966d 2348 },
1ae83d45
JA		 2349 {
2350 .name = "verifysort_nr",
2351 .type = FIO_OPT_INT,
2352 .off1 = td_var_offset(verifysort_nr),
2353 .help = "Pre-load and sort verify blocks for a read workload",
2354 .minval = 0,
2355 .maxval = 131072,
2356 .def = "1024",
2357 .parent = "verify",
836fcc0f
JA		 2358 .category = FIO_OPT_C_IO,
2359 .group = FIO_OPT_G_VERIFY,
1ae83d45 2360 },
3f9f4e26 2361 {
a59e170d 2362 .name = "verify_interval",
e8b0e958 2363 .lname = "Verify interval",
e01b22b8 2364 .type = FIO_OPT_INT,
a59e170d 2365 .off1 = td_var_offset(verify_interval),
819a9680 2366 .minval = 2 * sizeof(struct verify_header),
a59e170d 2367 .help = "Store verify buffer header every N bytes",
afdf9352 2368 .parent = "verify",
d71c154c 2369 .hide = 1,
20eb06bd 2370 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2371 .category = FIO_OPT_C_IO,
2372 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2373 },
546a9142 2374 {
a59e170d 2375 .name = "verify_offset",
e8b0e958 2376 .lname = "Verify offset",
e01b22b8 2377 .type = FIO_OPT_INT,
a59e170d 2378 .help = "Offset verify header location by N bytes",
203160d5
JA		 2379 .off1 = td_var_offset(verify_offset),
2380 .minval = sizeof(struct verify_header),
afdf9352 2381 .parent = "verify",
d71c154c 2382 .hide = 1,
e8b0e958
JA		 2383 .category = FIO_OPT_C_IO,
2384 .group = FIO_OPT_G_VERIFY,
546a9142 2385 },
e28218f3
SL		 2386 {
2387 .name = "verify_pattern",
e8b0e958 2388 .lname = "Verify pattern",
0e92f873 2389 .type = FIO_OPT_STR,
e28218f3
SL		 2390 .cb = str_verify_pattern_cb,
2391 .help = "Fill pattern for IO buffers",
2392 .parent = "verify",
d71c154c 2393 .hide = 1,
e8b0e958
JA		 2394 .category = FIO_OPT_C_IO,
2395 .group = FIO_OPT_G_VERIFY,
e28218f3 2396 },
a12a3b4d
JA		 2397 {
2398 .name = "verify_fatal",
e8b0e958 2399 .lname = "Verify fatal",
68e1f29a 2400 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2401 .off1 = td_var_offset(verify_fatal),
2402 .def = "0",
2403 .help = "Exit on a single verify failure, don't continue",
2404 .parent = "verify",
d71c154c 2405 .hide = 1,
e8b0e958
JA		 2406 .category = FIO_OPT_C_IO,
2407 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2408 },
b463e936
JA		 2409 {
2410 .name = "verify_dump",
e8b0e958 2411 .lname = "Verify dump",
b463e936
JA		 2412 .type = FIO_OPT_BOOL,
2413 .off1 = td_var_offset(verify_dump),
ef71e317 2414 .def = "0",
b463e936
JA		 2415 .help = "Dump contents of good and bad blocks on failure",
2416 .parent = "verify",
d71c154c 2417 .hide = 1,
e8b0e958
JA		 2418 .category = FIO_OPT_C_IO,
2419 .group = FIO_OPT_G_VERIFY,
b463e936 2420 },
e8462bd8
JA		 2421 {
2422 .name = "verify_async",
e8b0e958 2423 .lname = "Verify asynchronously",
e8462bd8
JA		 2424 .type = FIO_OPT_INT,
2425 .off1 = td_var_offset(verify_async),
2426 .def = "0",
2427 .help = "Number of async verifier threads to use",
2428 .parent = "verify",
d71c154c 2429 .hide = 1,
e8b0e958
JA		 2430 .category = FIO_OPT_C_IO,
2431 .group = FIO_OPT_G_VERIFY,
e8462bd8 2432 },
9e144189
JA		 2433 {
2434 .name = "verify_backlog",
e8b0e958 2435 .lname = "Verify backlog",
9e144189
JA		 2436 .type = FIO_OPT_STR_VAL,
2437 .off1 = td_var_offset(verify_backlog),
2438 .help = "Verify after this number of blocks are written",
2439 .parent = "verify",
d71c154c 2440 .hide = 1,
e8b0e958
JA		 2441 .category = FIO_OPT_C_IO,
2442 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2443 },
2444 {
2445 .name = "verify_backlog_batch",
e8b0e958 2446 .lname = "Verify backlog batch",
9e144189
JA		 2447 .type = FIO_OPT_INT,
2448 .off1 = td_var_offset(verify_batch),
2449 .help = "Verify this number of IO blocks",
0d29de83 2450 .parent = "verify",
d71c154c 2451 .hide = 1,
e8b0e958
JA		 2452 .category = FIO_OPT_C_IO,
2453 .group = FIO_OPT_G_VERIFY,
9e144189 2454 },
e8462bd8
JA		 2455#ifdef FIO_HAVE_CPU_AFFINITY
2456 {
2457 .name = "verify_async_cpus",
e8b0e958 2458 .lname = "Async verify CPUs",
e8462bd8
JA		 2459 .type = FIO_OPT_STR,
2460 .cb = str_verify_cpus_allowed_cb,
2461 .help = "Set CPUs allowed for async verify threads",
2462 .parent = "verify_async",
d71c154c 2463 .hide = 1,
e8b0e958
JA		 2464 .category = FIO_OPT_C_IO,
2465 .group = FIO_OPT_G_VERIFY,
e8462bd8 2466 },
0d29de83 2467#endif
51aa2da8
JA		 2468 {
2469 .name = "experimental_verify",
2470 .off1 = td_var_offset(experimental_verify),
2471 .type = FIO_OPT_BOOL,
b31eaac9 2472 .help = "Enable experimental verification",
836fcc0f
JA		 2473 .category = FIO_OPT_C_IO,
2474 .group = FIO_OPT_G_VERIFY,
51aa2da8 2475 },
0d29de83
JA		 2476#ifdef FIO_HAVE_TRIM
2477 {
2478 .name = "trim_percentage",
e8b0e958 2479 .lname = "Trim percentage",
0d29de83 2480 .type = FIO_OPT_INT,
203160d5 2481 .off1 = td_var_offset(trim_percentage),
20eb06bd 2482 .minval = 0,
0d29de83
JA		 2483 .maxval = 100,
2484 .help = "Number of verify blocks to discard/trim",
2485 .parent = "verify",
2486 .def = "0",
20eb06bd 2487 .interval = 1,
d71c154c 2488 .hide = 1,
e8b0e958
JA		 2489 .category = FIO_OPT_C_IO,
2490 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2491 },
2492 {
2493 .name = "trim_verify_zero",
e8b0e958 2494 .lname = "Verify trim zero",
20eb06bd 2495 .type = FIO_OPT_BOOL,
0d29de83
JA		 2496 .help = "Verify that trim/discarded blocks are returned as zeroes",
2497 .off1 = td_var_offset(trim_zero),
2498 .parent = "trim_percentage",
d71c154c 2499 .hide = 1,
0d29de83 2500 .def = "1",
e8b0e958
JA		 2501 .category = FIO_OPT_C_IO,
2502 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2503 },
2504 {
2505 .name = "trim_backlog",
e8b0e958 2506 .lname = "Trim backlog",
0d29de83
JA		 2507 .type = FIO_OPT_STR_VAL,
2508 .off1 = td_var_offset(trim_backlog),
2509 .help = "Trim after this number of blocks are written",
2510 .parent = "trim_percentage",
d71c154c 2511 .hide = 1,
20eb06bd 2512 .interval = 1,
e8b0e958
JA		 2513 .category = FIO_OPT_C_IO,
2514 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2515 },
2516 {
2517 .name = "trim_backlog_batch",
e8b0e958 2518 .lname = "Trim backlog batch",
0d29de83
JA		 2519 .type = FIO_OPT_INT,
2520 .off1 = td_var_offset(trim_batch),
2521 .help = "Trim this number of IO blocks",
2522 .parent = "trim_percentage",
d71c154c 2523 .hide = 1,
20eb06bd 2524 .interval = 1,
e8b0e958
JA		 2525 .category = FIO_OPT_C_IO,
2526 .group = FIO_OPT_G_TRIM,
0d29de83 2527 },
e8462bd8 2528#endif
214e1eca
JA		 2529 {
2530 .name = "write_iolog",
e8b0e958 2531 .lname = "Write I/O log",
214e1eca
JA		 2532 .type = FIO_OPT_STR_STORE,
2533 .off1 = td_var_offset(write_iolog_file),
2534 .help = "Store IO pattern to file",
e8b0e958
JA		 2535 .category = FIO_OPT_C_IO,
2536 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2537 },
2538 {
2539 .name = "read_iolog",
e8b0e958 2540 .lname = "Read I/O log",
214e1eca
JA		 2541 .type = FIO_OPT_STR_STORE,
2542 .off1 = td_var_offset(read_iolog_file),
2543 .help = "Playback IO pattern from file",
e8b0e958
JA		 2544 .category = FIO_OPT_C_IO,
2545 .group = FIO_OPT_G_IOLOG,
214e1eca 2546 },
64bbb865
DN		 2547 {
2548 .name = "replay_no_stall",
e8b0e958 2549 .lname = "Don't stall on replay",
20eb06bd 2550 .type = FIO_OPT_BOOL,
64bbb865
DN		 2551 .off1 = td_var_offset(no_stall),
2552 .def = "0",
87e7a972 2553 .parent = "read_iolog",
d71c154c 2554 .hide = 1,
64bbb865 2555 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2556 .category = FIO_OPT_C_IO,
2557 .group = FIO_OPT_G_IOLOG,
64bbb865 2558 },
d1c46c04
DN		 2559 {
2560 .name = "replay_redirect",
e8b0e958 2561 .lname = "Redirect device for replay",
d1c46c04
DN		 2562 .type = FIO_OPT_STR_STORE,
2563 .off1 = td_var_offset(replay_redirect),
2564 .parent = "read_iolog",
d71c154c 2565 .hide = 1,
d1c46c04 2566 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2567 .category = FIO_OPT_C_IO,
2568 .group = FIO_OPT_G_IOLOG,
d1c46c04 2569 },
214e1eca
JA		 2570 {
2571 .name = "exec_prerun",
e8b0e958 2572 .lname = "Pre-execute runnable",
214e1eca
JA		 2573 .type = FIO_OPT_STR_STORE,
2574 .off1 = td_var_offset(exec_prerun),
2575 .help = "Execute this file prior to running job",
e8b0e958
JA		 2576 .category = FIO_OPT_C_GENERAL,
2577 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2578 },
2579 {
2580 .name = "exec_postrun",
e8b0e958 2581 .lname = "Post-execute runnable",
214e1eca
JA		 2582 .type = FIO_OPT_STR_STORE,
2583 .off1 = td_var_offset(exec_postrun),
2584 .help = "Execute this file after running job",
e8b0e958
JA		 2585 .category = FIO_OPT_C_GENERAL,
2586 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2587 },
2588#ifdef FIO_HAVE_IOSCHED_SWITCH
2589 {
2590 .name = "ioscheduler",
e8b0e958 2591 .lname = "I/O scheduler",
214e1eca
JA		 2592 .type = FIO_OPT_STR_STORE,
2593 .off1 = td_var_offset(ioscheduler),
2594 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2595 .category = FIO_OPT_C_FILE,
2596 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2597 },
2598#endif
2599 {
2600 .name = "zonesize",
e8b0e958 2601 .lname = "Zone size",
214e1eca
JA		 2602 .type = FIO_OPT_STR_VAL,
2603 .off1 = td_var_offset(zone_size),
ed335855
SN		 2604 .help = "Amount of data to read per zone",
2605 .def = "0",
20eb06bd 2606 .interval = 1024 * 1024,
e8b0e958
JA		 2607 .category = FIO_OPT_C_IO,
2608 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2609 },
2610 {
2611 .name = "zonerange",
e8b0e958 2612 .lname = "Zone range",
ed335855
SN		 2613 .type = FIO_OPT_STR_VAL,
2614 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2615 .help = "Give size of an IO zone",
2616 .def = "0",
20eb06bd 2617 .interval = 1024 * 1024,
e8b0e958
JA		 2618 .category = FIO_OPT_C_IO,
2619 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2620 },
2621 {
2622 .name = "zoneskip",
e8b0e958 2623 .lname = "Zone skip",
214e1eca
JA		 2624 .type = FIO_OPT_STR_VAL,
2625 .off1 = td_var_offset(zone_skip),
2626 .help = "Space between IO zones",
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 = "lockmem",
e8b0e958 2634 .lname = "Lock memory",
214e1eca 2635 .type = FIO_OPT_STR_VAL,
1b79a070 2636 .off1 = td_var_offset(lockmem),
81c6b6cd 2637 .help = "Lock down this amount of memory (per worker)",
214e1eca 2638 .def = "0",
20eb06bd 2639 .interval = 1024 * 1024,
e8b0e958
JA		 2640 .category = FIO_OPT_C_GENERAL,
2641 .group = FIO_OPT_G_INVALID,
214e1eca 2642 },
214e1eca
JA		 2643 {
2644 .name = "rwmixread",
e8b0e958 2645 .lname = "Read/write mix read",
214e1eca 2646 .type = FIO_OPT_INT,
cb499fc4 2647 .cb = str_rwmix_read_cb,
214e1eca
JA		 2648 .maxval = 100,
2649 .help = "Percentage of mixed workload that is reads",
2650 .def = "50",
20eb06bd 2651 .interval = 5,
90265353 2652 .inverse = "rwmixwrite",
e8b0e958
JA		 2653 .category = FIO_OPT_C_IO,
2654 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2655 },
2656 {
2657 .name = "rwmixwrite",
e8b0e958 2658 .lname = "Read/write mix write",
214e1eca 2659 .type = FIO_OPT_INT,
cb499fc4 2660 .cb = str_rwmix_write_cb,
214e1eca
JA		 2661 .maxval = 100,
2662 .help = "Percentage of mixed workload that is writes",
2663 .def = "50",
20eb06bd 2664 .interval = 5,
90265353 2665 .inverse = "rwmixread",
e8b0e958
JA		 2666 .category = FIO_OPT_C_IO,
2667 .group = FIO_OPT_G_RWMIX,
214e1eca 2668 },
afdf9352
JA		 2669 {
2670 .name = "rwmixcycle",
e8b0e958 2671 .lname = "Read/write mix cycle",
15ca150e 2672 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2673 .category = FIO_OPT_C_IO,
2674 .group = FIO_OPT_G_RWMIX,
afdf9352 2675 },
214e1eca
JA		 2676 {
2677 .name = "nice",
e8b0e958 2678 .lname = "Nice",
214e1eca
JA		 2679 .type = FIO_OPT_INT,
2680 .off1 = td_var_offset(nice),
2681 .help = "Set job CPU nice value",
2682 .minval = -19,
2683 .maxval = 20,
2684 .def = "0",
20eb06bd 2685 .interval = 1,
e8b0e958 2686 .category = FIO_OPT_C_GENERAL,
10860056 2687 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2688 },
2689#ifdef FIO_HAVE_IOPRIO
2690 {
2691 .name = "prio",
e8b0e958 2692 .lname = "I/O nice priority",
214e1eca 2693 .type = FIO_OPT_INT,
28727df7 2694 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2695 .help = "Set job IO priority value",
2696 .minval = 0,
2697 .maxval = 7,
20eb06bd 2698 .interval = 1,
e8b0e958 2699 .category = FIO_OPT_C_GENERAL,
10860056 2700 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2701 },
2702 {
2703 .name = "prioclass",
e8b0e958 2704 .lname = "I/O nice priority class",
214e1eca 2705 .type = FIO_OPT_INT,
28727df7 2706 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2707 .help = "Set job IO priority class",
2708 .minval = 0,
2709 .maxval = 3,
20eb06bd 2710 .interval = 1,
e8b0e958 2711 .category = FIO_OPT_C_GENERAL,
10860056 2712 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2713 },
2714#endif
2715 {
2716 .name = "thinktime",
e8b0e958 2717 .lname = "Thinktime",
214e1eca
JA		 2718 .type = FIO_OPT_INT,
2719 .off1 = td_var_offset(thinktime),
2720 .help = "Idle time between IO buffers (usec)",
2721 .def = "0",
e8b0e958 2722 .category = FIO_OPT_C_IO,
3ceb458f 2723 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2724 },
2725 {
2726 .name = "thinktime_spin",
e8b0e958 2727 .lname = "Thinktime spin",
214e1eca
JA		 2728 .type = FIO_OPT_INT,
2729 .off1 = td_var_offset(thinktime_spin),
2730 .help = "Start think time by spinning this amount (usec)",
2731 .def = "0",
afdf9352 2732 .parent = "thinktime",
d71c154c 2733 .hide = 1,
e8b0e958 2734 .category = FIO_OPT_C_IO,
3ceb458f 2735 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2736 },
2737 {
2738 .name = "thinktime_blocks",
e8b0e958 2739 .lname = "Thinktime blocks",
214e1eca
JA		 2740 .type = FIO_OPT_INT,
2741 .off1 = td_var_offset(thinktime_blocks),
2742 .help = "IO buffer period between 'thinktime'",
2743 .def = "1",
afdf9352 2744 .parent = "thinktime",
d71c154c 2745 .hide = 1,
e8b0e958 2746 .category = FIO_OPT_C_IO,
3ceb458f 2747 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2748 },
2749 {
2750 .name = "rate",
e8b0e958 2751 .lname = "I/O rate",
e01b22b8 2752 .type = FIO_OPT_INT,
6eaf09d6
SL		 2753 .off1 = td_var_offset(rate[DDIR_READ]),
2754 .off2 = td_var_offset(rate[DDIR_WRITE]),
2755 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2756 .help = "Set bandwidth rate",
e8b0e958
JA		 2757 .category = FIO_OPT_C_IO,
2758 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2759 },
2760 {
2761 .name = "ratemin",
e8b0e958 2762 .lname = "I/O min rate",
e01b22b8 2763 .type = FIO_OPT_INT,
6eaf09d6
SL		 2764 .off1 = td_var_offset(ratemin[DDIR_READ]),
2765 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2766 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2767 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2768 .parent = "rate",
d71c154c 2769 .hide = 1,
e8b0e958
JA		 2770 .category = FIO_OPT_C_IO,
2771 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2772 },
2773 {
2774 .name = "rate_iops",
e8b0e958 2775 .lname = "I/O rate IOPS",
e01b22b8 2776 .type = FIO_OPT_INT,
6eaf09d6
SL		 2777 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2778 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2779 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2780 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2781 .hide = 1,
e8b0e958
JA		 2782 .category = FIO_OPT_C_IO,
2783 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2784 },
2785 {
2786 .name = "rate_iops_min",
e8b0e958 2787 .lname = "I/O min rate IOPS",
e01b22b8 2788 .type = FIO_OPT_INT,
6eaf09d6
SL		 2789 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2790 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2791 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2792 .help = "Job must meet this rate or it will be shut down",
afdf9352 2793 .parent = "rate_iops",
d71c154c 2794 .hide = 1,
e8b0e958
JA		 2795 .category = FIO_OPT_C_IO,
2796 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2797 },
2798 {
2799 .name = "ratecycle",
e8b0e958 2800 .lname = "I/O rate cycle",
214e1eca
JA		 2801 .type = FIO_OPT_INT,
2802 .off1 = td_var_offset(ratecycle),
2803 .help = "Window average for rate limits (msec)",
2804 .def = "1000",
afdf9352 2805 .parent = "rate",
d71c154c 2806 .hide = 1,
e8b0e958
JA		 2807 .category = FIO_OPT_C_IO,
2808 .group = FIO_OPT_G_RATE,
214e1eca 2809 },
15501535
JA		 2810 {
2811 .name = "max_latency",
2812 .type = FIO_OPT_INT,
2813 .off1 = td_var_offset(max_latency),
2814 .help = "Maximum tolerated IO latency (usec)",
1e5324e7 2815 .category = FIO_OPT_C_IO,
3e260a46
JA		 2816 .group = FIO_OPT_G_LATPROF,
2817 },
2818 {
2819 .name = "latency_target",
2820 .lname = "Latency Target (usec)",
2821 .type = FIO_OPT_STR_VAL_TIME,
2822 .off1 = td_var_offset(latency_target),
2823 .help = "Ramp to max queue depth supporting this latency",
2824 .category = FIO_OPT_C_IO,
2825 .group = FIO_OPT_G_LATPROF,
2826 },
2827 {
2828 .name = "latency_window",
2829 .lname = "Latency Window (usec)",
2830 .type = FIO_OPT_STR_VAL_TIME,
2831 .off1 = td_var_offset(latency_window),
2832 .help = "Time to sustain latency_target",
2833 .category = FIO_OPT_C_IO,
2834 .group = FIO_OPT_G_LATPROF,
2835 },
2836 {
2837 .name = "latency_percentile",
2838 .lname = "Latency Percentile",
2839 .type = FIO_OPT_FLOAT_LIST,
2840 .off1 = td_var_offset(latency_percentile),
2841 .help = "Percentile of IOs must be below latency_target",
2842 .def = "100",
2843 .maxlen = 1,
2844 .minfp = 0.0,
2845 .maxfp = 100.0,
2846 .category = FIO_OPT_C_IO,
2847 .group = FIO_OPT_G_LATPROF,
15501535 2848 },
214e1eca
JA		 2849 {
2850 .name = "invalidate",
e8b0e958 2851 .lname = "Cache invalidate",
214e1eca
JA		 2852 .type = FIO_OPT_BOOL,
2853 .off1 = td_var_offset(invalidate_cache),
2854 .help = "Invalidate buffer/page cache prior to running job",
2855 .def = "1",
e8b0e958 2856 .category = FIO_OPT_C_IO,
3ceb458f 2857 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2858 },
2859 {
2860 .name = "sync",
e8b0e958 2861 .lname = "Synchronous I/O",
214e1eca
JA		 2862 .type = FIO_OPT_BOOL,
2863 .off1 = td_var_offset(sync_io),
2864 .help = "Use O_SYNC for buffered writes",
2865 .def = "0",
67a1000f 2866 .parent = "buffered",
d71c154c 2867 .hide = 1,
e8b0e958 2868 .category = FIO_OPT_C_IO,
3ceb458f 2869 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2870 },
214e1eca
JA		 2871 {
2872 .name = "create_serialize",
e8b0e958 2873 .lname = "Create serialize",
214e1eca
JA		 2874 .type = FIO_OPT_BOOL,
2875 .off1 = td_var_offset(create_serialize),
2876 .help = "Serialize creating of job files",
2877 .def = "1",
e8b0e958
JA		 2878 .category = FIO_OPT_C_FILE,
2879 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2880 },
2881 {
2882 .name = "create_fsync",
e8b0e958 2883 .lname = "Create fsync",
214e1eca
JA		 2884 .type = FIO_OPT_BOOL,
2885 .off1 = td_var_offset(create_fsync),
03e20d68 2886 .help = "fsync file after creation",
214e1eca 2887 .def = "1",
e8b0e958
JA		 2888 .category = FIO_OPT_C_FILE,
2889 .group = FIO_OPT_G_INVALID,
214e1eca 2890 },
814452bd
JA		 2891 {
2892 .name = "create_on_open",
e8b0e958 2893 .lname = "Create on open",
814452bd
JA		 2894 .type = FIO_OPT_BOOL,
2895 .off1 = td_var_offset(create_on_open),
2896 .help = "Create files when they are opened for IO",
2897 .def = "0",
e8b0e958
JA		 2898 .category = FIO_OPT_C_FILE,
2899 .group = FIO_OPT_G_INVALID,
814452bd 2900 },
25460cf6
JA		 2901 {
2902 .name = "create_only",
2903 .type = FIO_OPT_BOOL,
2904 .off1 = td_var_offset(create_only),
2905 .help = "Only perform file creation phase",
d17fda71 2906 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2907 .def = "0",
2908 },
0b9d69ec 2909 {
afad68f7 2910 .name = "pre_read",
e8b0e958 2911 .lname = "Pre-read files",
afad68f7
ZY		 2912 .type = FIO_OPT_BOOL,
2913 .off1 = td_var_offset(pre_read),
03e20d68 2914 .help = "Pre-read files before starting official testing",
afad68f7 2915 .def = "0",
e8b0e958
JA		 2916 .category = FIO_OPT_C_FILE,
2917 .group = FIO_OPT_G_INVALID,
afad68f7 2918 },
214e1eca
JA		 2919#ifdef FIO_HAVE_CPU_AFFINITY
2920 {
2921 .name = "cpumask",
e8b0e958 2922 .lname = "CPU mask",
214e1eca
JA		 2923 .type = FIO_OPT_INT,
2924 .cb = str_cpumask_cb,
2925 .help = "CPU affinity mask",
e8b0e958 2926 .category = FIO_OPT_C_GENERAL,
10860056 2927 .group = FIO_OPT_G_CRED,
214e1eca 2928 },
d2e268b0
JA		 2929 {
2930 .name = "cpus_allowed",
e8b0e958 2931 .lname = "CPUs allowed",
d2e268b0
JA		 2932 .type = FIO_OPT_STR,
2933 .cb = str_cpus_allowed_cb,
2934 .help = "Set CPUs allowed",
e8b0e958 2935 .category = FIO_OPT_C_GENERAL,
10860056 2936 .group = FIO_OPT_G_CRED,
d2e268b0 2937 },
c2acfbac
JA		 2938 {
2939 .name = "cpus_allowed_policy",
2940 .lname = "CPUs allowed distribution policy",
2941 .type = FIO_OPT_STR,
2942 .off1 = td_var_offset(cpus_allowed_policy),
2943 .help = "Distribution policy for cpus_allowed",
2944 .parent = "cpus_allowed",
2945 .prio = 1,
2946 .posval = {
2947 { .ival = "shared",
2948 .oval = FIO_CPUS_SHARED,
2949 .help = "Mask shared between threads",
2950 },
2951 { .ival = "split",
2952 .oval = FIO_CPUS_SPLIT,
2953 .help = "Mask split between threads",
2954 },
2955 },
2956 .category = FIO_OPT_C_GENERAL,
2957 .group = FIO_OPT_G_CRED,
2958 },
d0b937ed 2959#endif
67bf9823 2960#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 2961 {
2962 .name = "numa_cpu_nodes",
2963 .type = FIO_OPT_STR,
2964 .cb = str_numa_cpunodes_cb,
2965 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 2966 .category = FIO_OPT_C_GENERAL,
2967 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 2968 },
2969 {
2970 .name = "numa_mem_policy",
2971 .type = FIO_OPT_STR,
2972 .cb = str_numa_mpol_cb,
2973 .help = "NUMA memory policy setup",
6be54b2d
JA		 2974 .category = FIO_OPT_C_GENERAL,
2975 .group = FIO_OPT_G_INVALID,
d0b937ed 2976 },
214e1eca
JA		 2977#endif
2978 {
2979 .name = "end_fsync",
e8b0e958 2980 .lname = "End fsync",
214e1eca
JA		 2981 .type = FIO_OPT_BOOL,
2982 .off1 = td_var_offset(end_fsync),
2983 .help = "Include fsync at the end of job",
2984 .def = "0",
e8b0e958
JA		 2985 .category = FIO_OPT_C_FILE,
2986 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2987 },
2988 {
2989 .name = "fsync_on_close",
e8b0e958 2990 .lname = "Fsync on close",
214e1eca
JA		 2991 .type = FIO_OPT_BOOL,
2992 .off1 = td_var_offset(fsync_on_close),
2993 .help = "fsync files on close",
2994 .def = "0",
e8b0e958
JA		 2995 .category = FIO_OPT_C_FILE,
2996 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2997 },
2998 {
2999 .name = "unlink",
e8b0e958 3000 .lname = "Unlink file",
214e1eca
JA		 3001 .type = FIO_OPT_BOOL,
3002 .off1 = td_var_offset(unlink),
3003 .help = "Unlink created files after job has completed",
3004 .def = "0",
e8b0e958
JA		 3005 .category = FIO_OPT_C_FILE,
3006 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3007 },
3008 {
3009 .name = "exitall",
e8b0e958 3010 .lname = "Exit-all on terminate",
214e1eca
JA		 3011 .type = FIO_OPT_STR_SET,
3012 .cb = str_exitall_cb,
3013 .help = "Terminate all jobs when one exits",
e8b0e958 3014 .category = FIO_OPT_C_GENERAL,
a1f6afec 3015 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3016 },
3017 {
3018 .name = "stonewall",
e8b0e958 3019 .lname = "Wait for previous",
d392365e 3020 .alias = "wait_for_previous",
214e1eca
JA		 3021 .type = FIO_OPT_STR_SET,
3022 .off1 = td_var_offset(stonewall),
3023 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3024 .category = FIO_OPT_C_GENERAL,
a1f6afec 3025 .group = FIO_OPT_G_PROCESS,
214e1eca 3026 },
b3d62a75
JA		 3027 {
3028 .name = "new_group",
e8b0e958 3029 .lname = "New group",
b3d62a75
JA		 3030 .type = FIO_OPT_STR_SET,
3031 .off1 = td_var_offset(new_group),
3032 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3033 .category = FIO_OPT_C_GENERAL,
a1f6afec 3034 .group = FIO_OPT_G_PROCESS,
b3d62a75 3035 },
214e1eca
JA		 3036 {
3037 .name = "thread",
e8b0e958 3038 .lname = "Thread",
214e1eca
JA		 3039 .type = FIO_OPT_STR_SET,
3040 .off1 = td_var_offset(use_thread),
20eb06bd 3041 .help = "Use threads instead of processes",
e8b0e958 3042 .category = FIO_OPT_C_GENERAL,
a1f6afec 3043 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3044 },
3045 {
3046 .name = "write_bw_log",
e8b0e958 3047 .lname = "Write bandwidth log",
203160d5
JA		 3048 .type = FIO_OPT_STR_STORE,
3049 .off1 = td_var_offset(bw_log_file),
214e1eca 3050 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3051 .category = FIO_OPT_C_LOG,
3052 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3053 },
3054 {
3055 .name = "write_lat_log",
e8b0e958 3056 .lname = "Write latency log",
203160d5
JA		 3057 .type = FIO_OPT_STR_STORE,
3058 .off1 = td_var_offset(lat_log_file),
214e1eca 3059 .help = "Write log of latency during run",
e8b0e958
JA		 3060 .category = FIO_OPT_C_LOG,
3061 .group = FIO_OPT_G_INVALID,
214e1eca 3062 },
c8eeb9df
JA		 3063 {
3064 .name = "write_iops_log",
e8b0e958 3065 .lname = "Write IOPS log",
577c83bd 3066 .type = FIO_OPT_STR_STORE,
203160d5 3067 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3068 .help = "Write log of IOPS during run",
e8b0e958
JA		 3069 .category = FIO_OPT_C_LOG,
3070 .group = FIO_OPT_G_INVALID,
c8eeb9df 3071 },
b8bc8cba
JA		 3072 {
3073 .name = "log_avg_msec",
e8b0e958 3074 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3075 .type = FIO_OPT_INT,
3076 .off1 = td_var_offset(log_avg_msec),
3077 .help = "Average bw/iops/lat logs over this period of time",
3078 .def = "0",
e8b0e958
JA		 3079 .category = FIO_OPT_C_LOG,
3080 .group = FIO_OPT_G_INVALID,
b8bc8cba 3081 },
c504ee55
JA		 3082 {
3083 .name = "bwavgtime",
3084 .lname = "Bandwidth average time",
3085 .type = FIO_OPT_INT,
3086 .off1 = td_var_offset(bw_avg_time),
3087 .help = "Time window over which to calculate bandwidth"
3088 " (msec)",
3089 .def = "500",
3090 .parent = "write_bw_log",
3091 .hide = 1,
3092 .interval = 100,
3093 .category = FIO_OPT_C_LOG,
3094 .group = FIO_OPT_G_INVALID,
3095 },
3096 {
3097 .name = "iopsavgtime",
3098 .lname = "IOPS average time",
3099 .type = FIO_OPT_INT,
3100 .off1 = td_var_offset(iops_avg_time),
3101 .help = "Time window over which to calculate IOPS (msec)",
3102 .def = "500",
3103 .parent = "write_iops_log",
3104 .hide = 1,
3105 .interval = 100,
3106 .category = FIO_OPT_C_LOG,
3107 .group = FIO_OPT_G_INVALID,
3108 },
214e1eca
JA		 3109 {
3110 .name = "group_reporting",
e8b0e958 3111 .lname = "Group reporting",
d2507043 3112 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3113 .off1 = td_var_offset(group_reporting),
3114 .help = "Do reporting on a per-group basis",
10860056 3115 .category = FIO_OPT_C_STAT,
e8b0e958 3116 .group = FIO_OPT_G_INVALID,
214e1eca 3117 },
e9459e5a
JA		 3118 {
3119 .name = "zero_buffers",
e8b0e958 3120 .lname = "Zero I/O buffers",
e9459e5a
JA		 3121 .type = FIO_OPT_STR_SET,
3122 .off1 = td_var_offset(zero_buffers),
3123 .help = "Init IO buffers to all zeroes",
e8b0e958 3124 .category = FIO_OPT_C_IO,
3ceb458f 3125 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3126 },
5973cafb
JA		 3127 {
3128 .name = "refill_buffers",
e8b0e958 3129 .lname = "Refill I/O buffers",
5973cafb
JA		 3130 .type = FIO_OPT_STR_SET,
3131 .off1 = td_var_offset(refill_buffers),
3132 .help = "Refill IO buffers on every IO submit",
e8b0e958 3133 .category = FIO_OPT_C_IO,
3ceb458f 3134 .group = FIO_OPT_G_IO_BUF,
5973cafb 3135 },
fd68418e
JA		 3136 {
3137 .name = "scramble_buffers",
e8b0e958 3138 .lname = "Scramble I/O buffers",
fd68418e
JA		 3139 .type = FIO_OPT_BOOL,
3140 .off1 = td_var_offset(scramble_buffers),
3141 .help = "Slightly scramble buffers on every IO submit",
3142 .def = "1",
e8b0e958 3143 .category = FIO_OPT_C_IO,
3ceb458f 3144 .group = FIO_OPT_G_IO_BUF,
fd68418e 3145 },
ce35b1ec
JA		 3146 {
3147 .name = "buffer_pattern",
3148 .lname = "Buffer pattern",
3149 .type = FIO_OPT_STR,
3150 .cb = str_buffer_pattern_cb,
3151 .help = "Fill pattern for IO buffers",
3152 .category = FIO_OPT_C_IO,
3153 .group = FIO_OPT_G_IO_BUF,
3154 },
9c42684e
JA		 3155 {
3156 .name = "buffer_compress_percentage",
e8b0e958 3157 .lname = "Buffer compression percentage",
9c42684e 3158 .type = FIO_OPT_INT,
bedc9dc2 3159 .cb = str_buffer_compress_cb,
9c42684e 3160 .maxval = 100,
e7f5de90 3161 .minval = 0,
9c42684e 3162 .help = "How compressible the buffer is (approximately)",
20eb06bd 3163 .interval = 5,
e8b0e958 3164 .category = FIO_OPT_C_IO,
3ceb458f 3165 .group = FIO_OPT_G_IO_BUF,
9c42684e 3166 },
f97a43a1
JA		 3167 {
3168 .name = "buffer_compress_chunk",
e8b0e958 3169 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3170 .type = FIO_OPT_INT,
3171 .off1 = td_var_offset(compress_chunk),
207b18e4 3172 .parent = "buffer_compress_percentage",
d71c154c 3173 .hide = 1,
f97a43a1 3174 .help = "Size of compressible region in buffer",
20eb06bd 3175 .interval = 256,
e8b0e958 3176 .category = FIO_OPT_C_IO,
3ceb458f 3177 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3178 },
83349190
YH		 3179 {
3180 .name = "clat_percentiles",
e8b0e958 3181 .lname = "Completion latency percentiles",
83349190
YH		 3182 .type = FIO_OPT_BOOL,
3183 .off1 = td_var_offset(clat_percentiles),
3184 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3185 .def = "1",
e8b0e958
JA		 3186 .category = FIO_OPT_C_STAT,
3187 .group = FIO_OPT_G_INVALID,
83349190
YH		 3188 },
3189 {
3190 .name = "percentile_list",
e8b0e958 3191 .lname = "Completion latency percentile list",
83349190
YH		 3192 .type = FIO_OPT_FLOAT_LIST,
3193 .off1 = td_var_offset(percentile_list),
435d195a 3194 .off2 = td_var_offset(percentile_precision),
83349190 3195 .help = "Specify a custom list of percentiles to report",
fd112d34 3196 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3197 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3198 .minfp = 0.0,
3199 .maxfp = 100.0,
e8b0e958
JA		 3200 .category = FIO_OPT_C_STAT,
3201 .group = FIO_OPT_G_INVALID,
83349190
YH		 3202 },
3203
0a839f30
JA		 3204#ifdef FIO_HAVE_DISK_UTIL
3205 {
3206 .name = "disk_util",
e8b0e958 3207 .lname = "Disk utilization",
0a839f30
JA		 3208 .type = FIO_OPT_BOOL,
3209 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3210 .help = "Log disk utilization statistics",
0a839f30 3211 .def = "1",
e8b0e958
JA		 3212 .category = FIO_OPT_C_STAT,
3213 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3214 },
3215#endif
993bf48b
JA		 3216 {
3217 .name = "gtod_reduce",
e8b0e958 3218 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3219 .type = FIO_OPT_BOOL,
3220 .help = "Greatly reduce number of gettimeofday() calls",
3221 .cb = str_gtod_reduce_cb,
3222 .def = "0",
a4ed77fe 3223 .hide_on_set = 1,
e8b0e958
JA		 3224 .category = FIO_OPT_C_STAT,
3225 .group = FIO_OPT_G_INVALID,
993bf48b 3226 },
02af0988
JA		 3227 {
3228 .name = "disable_lat",
e8b0e958 3229 .lname = "Disable all latency stats",
02af0988
JA		 3230 .type = FIO_OPT_BOOL,
3231 .off1 = td_var_offset(disable_lat),
3232 .help = "Disable latency numbers",
3233 .parent = "gtod_reduce",
d71c154c 3234 .hide = 1,
02af0988 3235 .def = "0",
e8b0e958
JA		 3236 .category = FIO_OPT_C_STAT,
3237 .group = FIO_OPT_G_INVALID,
02af0988 3238 },
9520ebb9
JA		 3239 {
3240 .name = "disable_clat",
e8b0e958 3241 .lname = "Disable completion latency stats",
9520ebb9
JA		 3242 .type = FIO_OPT_BOOL,
3243 .off1 = td_var_offset(disable_clat),
3244 .help = "Disable completion latency numbers",
993bf48b 3245 .parent = "gtod_reduce",
d71c154c 3246 .hide = 1,
9520ebb9 3247 .def = "0",
e8b0e958
JA		 3248 .category = FIO_OPT_C_STAT,
3249 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3250 },
3251 {
3252 .name = "disable_slat",
e8b0e958 3253 .lname = "Disable submission latency stats",
9520ebb9
JA		 3254 .type = FIO_OPT_BOOL,
3255 .off1 = td_var_offset(disable_slat),
03e20d68 3256 .help = "Disable submission latency numbers",
993bf48b 3257 .parent = "gtod_reduce",
d71c154c 3258 .hide = 1,
9520ebb9 3259 .def = "0",
e8b0e958
JA		 3260 .category = FIO_OPT_C_STAT,
3261 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3262 },
3263 {
3264 .name = "disable_bw_measurement",
e8b0e958 3265 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3266 .type = FIO_OPT_BOOL,
3267 .off1 = td_var_offset(disable_bw),
3268 .help = "Disable bandwidth logging",
993bf48b 3269 .parent = "gtod_reduce",
d71c154c 3270 .hide = 1,
9520ebb9 3271 .def = "0",
e8b0e958
JA		 3272 .category = FIO_OPT_C_STAT,
3273 .group = FIO_OPT_G_INVALID,
9520ebb9 3274 },
be4ecfdf
JA		 3275 {
3276 .name = "gtod_cpu",
e8b0e958 3277 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 3278 .type = FIO_OPT_INT,
3279 .cb = str_gtod_cpu_cb,
03e20d68 3280 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3281 .verify = gtod_cpu_verify,
e8b0e958 3282 .category = FIO_OPT_C_GENERAL,
10860056 3283 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3284 },
771e58be
JA		 3285 {
3286 .name = "unified_rw_reporting",
3287 .type = FIO_OPT_BOOL,
3288 .off1 = td_var_offset(unified_rw_rep),
3289 .help = "Unify reporting across data direction",
3290 .def = "0",
90b7a96d
JA		 3291 .category = FIO_OPT_C_GENERAL,
3292 .group = FIO_OPT_G_INVALID,
771e58be 3293 },
f2bba182
RR		 3294 {
3295 .name = "continue_on_error",
e8b0e958 3296 .lname = "Continue on error",
06842027 3297 .type = FIO_OPT_STR,
f2bba182 3298 .off1 = td_var_offset(continue_on_error),
03e20d68 3299 .help = "Continue on non-fatal errors during IO",
06842027 3300 .def = "none",
e8b0e958 3301 .category = FIO_OPT_C_GENERAL,
bc3f552f 3302 .group = FIO_OPT_G_ERR,
06842027
SL		 3303 .posval = {
3304 { .ival = "none",
3305 .oval = ERROR_TYPE_NONE,
3306 .help = "Exit when an error is encountered",
3307 },
3308 { .ival = "read",
3309 .oval = ERROR_TYPE_READ,
3310 .help = "Continue on read errors only",
3311 },
3312 { .ival = "write",
3313 .oval = ERROR_TYPE_WRITE,
3314 .help = "Continue on write errors only",
3315 },
3316 { .ival = "io",
3317 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3318 .help = "Continue on any IO errors",
3319 },
3320 { .ival = "verify",
3321 .oval = ERROR_TYPE_VERIFY,
3322 .help = "Continue on verify errors only",
3323 },
3324 { .ival = "all",
3325 .oval = ERROR_TYPE_ANY,
3326 .help = "Continue on all io and verify errors",
3327 },
3328 { .ival = "0",
3329 .oval = ERROR_TYPE_NONE,
3330 .help = "Alias for 'none'",
3331 },
3332 { .ival = "1",
3333 .oval = ERROR_TYPE_ANY,
3334 .help = "Alias for 'all'",
3335 },
3336 },
f2bba182 3337 },
8b28bd41
DM		 3338 {
3339 .name = "ignore_error",
3340 .type = FIO_OPT_STR,
3341 .cb = str_ignore_error_cb,
3342 .help = "Set a specific list of errors to ignore",
3343 .parent = "rw",
a94eb99a 3344 .category = FIO_OPT_C_GENERAL,
bc3f552f 3345 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3346 },
3347 {
3348 .name = "error_dump",
3349 .type = FIO_OPT_BOOL,
3350 .off1 = td_var_offset(error_dump),
3351 .def = "0",
3352 .help = "Dump info on each error",
a94eb99a 3353 .category = FIO_OPT_C_GENERAL,
bc3f552f 3354 .group = FIO_OPT_G_ERR,
8b28bd41 3355 },
9ac8a797
JA		 3356 {
3357 .name = "profile",
e8b0e958 3358 .lname = "Profile",
79d16311 3359 .type = FIO_OPT_STR_STORE,
9ac8a797 3360 .off1 = td_var_offset(profile),
9ac8a797 3361 .help = "Select a specific builtin performance test",
13fca827 3362 .category = FIO_OPT_C_PROFILE,
e8b0e958 3363 .group = FIO_OPT_G_INVALID,
9ac8a797 3364 },
a696fa2a
JA		 3365 {
3366 .name = "cgroup",
e8b0e958 3367 .lname = "Cgroup",
a696fa2a
JA		 3368 .type = FIO_OPT_STR_STORE,
3369 .off1 = td_var_offset(cgroup),
3370 .help = "Add job to cgroup of this name",
e8b0e958 3371 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3372 .group = FIO_OPT_G_CGROUP,
3373 },
3374 {
3375 .name = "cgroup_nodelete",
3376 .lname = "Cgroup no-delete",
3377 .type = FIO_OPT_BOOL,
3378 .off1 = td_var_offset(cgroup_nodelete),
3379 .help = "Do not delete cgroups after job completion",
3380 .def = "0",
3381 .parent = "cgroup",
3382 .category = FIO_OPT_C_GENERAL,
3383 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3384 },
3385 {
3386 .name = "cgroup_weight",
e8b0e958 3387 .lname = "Cgroup weight",
a696fa2a
JA		 3388 .type = FIO_OPT_INT,
3389 .off1 = td_var_offset(cgroup_weight),
3390 .help = "Use given weight for cgroup",
3391 .minval = 100,
3392 .maxval = 1000,
a1f6afec 3393 .parent = "cgroup",
e8b0e958 3394 .category = FIO_OPT_C_GENERAL,
a1f6afec 3395 .group = FIO_OPT_G_CGROUP,
7de87099 3396 },
e0b0d892
JA		 3397 {
3398 .name = "uid",
e8b0e958 3399 .lname = "User ID",
e0b0d892
JA		 3400 .type = FIO_OPT_INT,
3401 .off1 = td_var_offset(uid),
3402 .help = "Run job with this user ID",
e8b0e958 3403 .category = FIO_OPT_C_GENERAL,
10860056 3404 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3405 },
3406 {
3407 .name = "gid",
e8b0e958 3408 .lname = "Group ID",
e0b0d892
JA		 3409 .type = FIO_OPT_INT,
3410 .off1 = td_var_offset(gid),
3411 .help = "Run job with this group ID",
e8b0e958 3412 .category = FIO_OPT_C_GENERAL,
10860056 3413 .group = FIO_OPT_G_CRED,
e0b0d892 3414 },
a1f6afec
JA		 3415 {
3416 .name = "kb_base",
3417 .lname = "KB Base",
3418 .type = FIO_OPT_INT,
3419 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3420 .prio = 1,
3421 .def = "1024",
ba9c7219
JA		 3422 .posval = {
3423 { .ival = "1024",
3424 .oval = 1024,
3425 .help = "Use 1024 as the K base",
3426 },
3427 { .ival = "1000",
3428 .oval = 1000,
3429 .help = "Use 1000 as the K base",
3430 },
3431 },
a1f6afec
JA		 3432 .help = "How many bytes per KB for reporting (1000 or 1024)",
3433 .category = FIO_OPT_C_GENERAL,
3434 .group = FIO_OPT_G_INVALID,
3435 },
cf3a0518
JA		 3436 {
3437 .name = "unit_base",
ba9c7219 3438 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3439 .type = FIO_OPT_INT,
3440 .off1 = td_var_offset(unit_base),
cf3a0518 3441 .prio = 1,
71a08258
JA		 3442 .posval = {
3443 { .ival = "0",
3444 .oval = 0,
3445 .help = "Auto-detect",
3446 },
3447 { .ival = "8",
3448 .oval = 8,
3449 .help = "Normal (byte based)",
3450 },
3451 { .ival = "1",
3452 .oval = 1,
3453 .help = "Bit based",
3454 },
3455 },
cf3a0518
JA		 3456 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3457 .category = FIO_OPT_C_GENERAL,
3458 .group = FIO_OPT_G_INVALID,
3459 },
3ceb458f
JA		 3460 {
3461 .name = "hugepage-size",
3462 .lname = "Hugepage size",
3463 .type = FIO_OPT_INT,
3464 .off1 = td_var_offset(hugepage_size),
3465 .help = "When using hugepages, specify size of each page",
3466 .def = __fio_stringify(FIO_HUGE_PAGE),
3467 .interval = 1024 * 1024,
3468 .category = FIO_OPT_C_GENERAL,
3469 .group = FIO_OPT_G_INVALID,
3470 },
9e684a49
DE		 3471 {
3472 .name = "flow_id",
e8b0e958 3473 .lname = "I/O flow ID",
9e684a49
DE		 3474 .type = FIO_OPT_INT,
3475 .off1 = td_var_offset(flow_id),
3476 .help = "The flow index ID to use",
3477 .def = "0",
e8b0e958
JA		 3478 .category = FIO_OPT_C_IO,
3479 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3480 },
3481 {
3482 .name = "flow",
e8b0e958 3483 .lname = "I/O flow weight",
9e684a49
DE		 3484 .type = FIO_OPT_INT,
3485 .off1 = td_var_offset(flow),
3486 .help = "Weight for flow control of this job",
3487 .parent = "flow_id",
d71c154c 3488 .hide = 1,
9e684a49 3489 .def = "0",
e8b0e958
JA		 3490 .category = FIO_OPT_C_IO,
3491 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3492 },
3493 {
3494 .name = "flow_watermark",
e8b0e958 3495 .lname = "I/O flow watermark",
9e684a49
DE		 3496 .type = FIO_OPT_INT,
3497 .off1 = td_var_offset(flow_watermark),
3498 .help = "High watermark for flow control. This option"
3499 " should be set to the same value for all threads"
3500 " with non-zero flow.",
3501 .parent = "flow_id",
d71c154c 3502 .hide = 1,
9e684a49 3503 .def = "1024",
e8b0e958
JA		 3504 .category = FIO_OPT_C_IO,
3505 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3506 },
3507 {
3508 .name = "flow_sleep",
e8b0e958 3509 .lname = "I/O flow sleep",
9e684a49
DE		 3510 .type = FIO_OPT_INT,
3511 .off1 = td_var_offset(flow_sleep),
3512 .help = "How many microseconds to sleep after being held"
3513 " back by the flow control mechanism",
3514 .parent = "flow_id",
d71c154c 3515 .hide = 1,
9e684a49 3516 .def = "0",
e8b0e958
JA		 3517 .category = FIO_OPT_C_IO,
3518 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3519 },
214e1eca
JA		 3520 {
3521 .name = NULL,
3522 },
3523};
3524
17af15d4 3525static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3526 const char *name, int val)
9f81736c 3527{
17af15d4 3528 lopt->name = (char *) name;
de890a1e 3529 lopt->val = val;
9f81736c 3530 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3531 lopt->has_arg = optional_argument;
9f81736c
JA		 3532 else
3533 lopt->has_arg = required_argument;
3534}
3535
de890a1e
SL		 3536static void options_to_lopts(struct fio_option *opts,
3537 struct option *long_options,
3538 int i, int option_type)
214e1eca 3539{
de890a1e 3540 struct fio_option *o = &opts[0];
214e1eca 3541 while (o->name) {
de890a1e 3542 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3543 if (o->alias) {
3544 i++;
de890a1e 3545 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3546 }
214e1eca
JA		 3547