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first async IO code drop
[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)
272 error[i] = error[i];
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;
286 }
287 return 0;
288
289}
290
291static int str_ignore_error_cb(void *data, const char *input)
292{
293 struct thread_data *td = data;
294 char *str, *p, *n;
295 int type = 0, ret = 1;
52c0cea3
JA		 296
297 if (parse_dryrun())
298 return 0;
299
8b28bd41
DM		 300 p = str = strdup(input);
301
302 strip_blank_front(&str);
303 strip_blank_end(str);
304
305 while (p) {
306 n = strchr(p, ',');
307 if (n)
308 *n++ = '\0';
309 ret = ignore_error_type(td, type, p);
310 if (ret)
311 break;
312 p = n;
313 type++;
314 }
315 free(str);
316 return ret;
317}
318
211097b2
JA		 319static int str_rw_cb(void *data, const char *str)
320{
321 struct thread_data *td = data;
83ea422a 322 struct thread_options *o = &td->o;
211097b2
JA		 323 char *nr = get_opt_postfix(str);
324
52c0cea3
JA		 325 if (parse_dryrun())
326 return 0;
327
83ea422a
JA		 328 o->ddir_seq_nr = 1;
329 o->ddir_seq_add = 0;
059b0802
JA		 330
331 if (!nr)
332 return 0;
333
334 if (td_random(td))
83ea422a 335 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 336 else {
337 long long val;
338
0de5b26f 339 if (str_to_decimal(nr, &val, 1, o, 0)) {
059b0802
JA		 340 log_err("fio: rw postfix parsing failed\n");
341 free(nr);
342 return 1;
343 }
344
83ea422a 345 o->ddir_seq_add = val;
182ec6ee 346 }
211097b2 347
059b0802 348 free(nr);
211097b2
JA		 349 return 0;
350}
351
214e1eca
JA		 352static int str_mem_cb(void *data, const char *mem)
353{
354 struct thread_data *td = data;
355
d9759b1e 356 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
836fcc0f 357 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 358
359 return 0;
360}
361
c223da83
JA		 362static int fio_clock_source_cb(void *data, const char *str)
363{
364 struct thread_data *td = data;
365
366 fio_clock_source = td->o.clocksource;
fa80feae 367 fio_clock_source_set = 1;
01423eae 368 fio_clock_init();
c223da83
JA		 369 return 0;
370}
371
85bc833b 372static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA		 373{
374 struct thread_data *td = data;
375
376 td->o.rwmix[DDIR_READ] = *val;
377 td->o.rwmix[DDIR_WRITE] = 100 - *val;
378 return 0;
379}
380
85bc833b 381static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA		 382{
383 struct thread_data *td = data;
384
385 td->o.rwmix[DDIR_WRITE] = *val;
386 td->o.rwmix[DDIR_READ] = 100 - *val;
387 return 0;
388}
389
214e1eca
JA		 390static int str_exitall_cb(void)
391{
392 exitall_on_terminate = 1;
393 return 0;
394}
395
214e1eca 396#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 397int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 398{
50b5860b 399 unsigned int i, index, cpus_in_mask;
c2acfbac 400 const long max_cpu = cpus_online();
c2acfbac 401
50b5860b
JA		 402 cpus_in_mask = fio_cpu_count(mask);
403 cpu_index = cpu_index % cpus_in_mask;
404
405 index = 0;
c2acfbac 406 for (i = 0; i < max_cpu; i++) {
50b5860b 407 if (!fio_cpu_isset(mask, i))
c2acfbac 408 continue;
50b5860b
JA		 409
410 if (cpu_index != index)
411 fio_cpu_clear(mask, i);
412
413 index++;
c2acfbac
JA		 414 }
415
416 return fio_cpu_count(mask);
417}
418
85bc833b 419static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA		 420{
421 struct thread_data *td = data;
214e1eca 422 unsigned int i;
b03daafb 423 long max_cpu;
d2ce18b5
JA		 424 int ret;
425
52c0cea3
JA		 426 if (parse_dryrun())
427 return 0;
428
d2ce18b5
JA		 429 ret = fio_cpuset_init(&td->o.cpumask);
430 if (ret < 0) {
431 log_err("fio: cpuset_init failed\n");
432 td_verror(td, ret, "fio_cpuset_init");
433 return 1;
434 }
214e1eca 435
c00a2289 436 max_cpu = cpus_online();
214e1eca 437
62a7273d
JA		 438 for (i = 0; i < sizeof(int) * 8; i++) {
439 if ((1 << i) & *val) {
b03daafb
JA		 440 if (i > max_cpu) {
441 log_err("fio: CPU %d too large (max=%ld)\n", i,
442 max_cpu);
443 return 1;
444 }
62a7273d 445 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 446 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 447 }
448 }
d2e268b0
JA		 449
450 td->o.cpumask_set = 1;
451 return 0;
214e1eca
JA		 452}
453
e8462bd8
JA		 454static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
455 const char *input)
214e1eca 456{
d2e268b0 457 char *cpu, *str, *p;
b03daafb 458 long max_cpu;
19608d6c 459 int ret = 0;
d2e268b0 460
e8462bd8 461 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 462 if (ret < 0) {
463 log_err("fio: cpuset_init failed\n");
464 td_verror(td, ret, "fio_cpuset_init");
465 return 1;
466 }
d2e268b0
JA		 467
468 p = str = strdup(input);
214e1eca 469
d2e268b0
JA		 470 strip_blank_front(&str);
471 strip_blank_end(str);
472
c00a2289 473 max_cpu = cpus_online();
b03daafb 474
d2e268b0 475 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 476 char *str2, *cpu2;
477 int icpu, icpu2;
478
d2e268b0
JA		 479 if (!strlen(cpu))
480 break;
62a7273d
JA		 481
482 str2 = cpu;
483 icpu2 = -1;
484 while ((cpu2 = strsep(&str2, "-")) != NULL) {
485 if (!strlen(cpu2))
486 break;
487
488 icpu2 = atoi(cpu2);
489 }
490
491 icpu = atoi(cpu);
492 if (icpu2 == -1)
493 icpu2 = icpu;
494 while (icpu <= icpu2) {
6d459ee7 495 if (icpu >= FIO_MAX_CPUS) {
19608d6c 496 log_err("fio: your OS only supports up to"
6d459ee7 497 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 498 ret = 1;
499 break;
500 }
b03daafb
JA		 501 if (icpu > max_cpu) {
502 log_err("fio: CPU %d too large (max=%ld)\n",
503 icpu, max_cpu);
504 ret = 1;
505 break;
506 }
0b9d69ec 507
62a7273d 508 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 509 fio_cpu_set(mask, icpu);
62a7273d
JA		 510 icpu++;
511 }
19608d6c
JA		 512 if (ret)
513 break;
d2e268b0
JA		 514 }
515
516 free(p);
19608d6c
JA		 517 if (!ret)
518 td->o.cpumask_set = 1;
519 return ret;
214e1eca 520}
e8462bd8
JA		 521
522static int str_cpus_allowed_cb(void *data, const char *input)
523{
524 struct thread_data *td = data;
525 int ret;
526
52c0cea3
JA		 527 if (parse_dryrun())
528 return 0;
529
e8462bd8
JA		 530 ret = set_cpus_allowed(td, &td->o.cpumask, input);
531 if (!ret)
532 td->o.cpumask_set = 1;
533
534 return ret;
535}
536
537static int str_verify_cpus_allowed_cb(void *data, const char *input)
538{
539 struct thread_data *td = data;
540 int ret;
541
542 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
543 if (!ret)
544 td->o.verify_cpumask_set = 1;
545
546 return ret;
547}
d2e268b0 548#endif
214e1eca 549
67bf9823 550#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 551static int str_numa_cpunodes_cb(void *data, char *input)
552{
553 struct thread_data *td = data;
554
52c0cea3
JA		 555 if (parse_dryrun())
556 return 0;
557
d0b937ed
YR		 558 /* numa_parse_nodestring() parses a character string list
559 * of nodes into a bit mask. The bit mask is allocated by
560 * numa_allocate_nodemask(), so it should be freed by
561 * numa_free_nodemask().
562 */
563 td->o.numa_cpunodesmask = numa_parse_nodestring(input);
564 if (td->o.numa_cpunodesmask == NULL) {
565 log_err("fio: numa_parse_nodestring failed\n");
566 td_verror(td, 1, "str_numa_cpunodes_cb");
567 return 1;
568 }
569
570 td->o.numa_cpumask_set = 1;
571 return 0;
572}
573
574static int str_numa_mpol_cb(void *data, char *input)
575{
576 struct thread_data *td = data;
577 const char * const policy_types[] =
05d6f44b 578 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 579 int i;
52c0cea3
JA		 580 char *nodelist;
581
582 if (parse_dryrun())
583 return 0;
d0b937ed 584
52c0cea3 585 nodelist = strchr(input, ':');
d0b937ed
YR		 586 if (nodelist) {
587 /* NUL-terminate mode */
588 *nodelist++ = '\0';
589 }
590
591 for (i = 0; i <= MPOL_LOCAL; i++) {
592 if (!strcmp(input, policy_types[i])) {
593 td->o.numa_mem_mode = i;
594 break;
595 }
596 }
597 if (i > MPOL_LOCAL) {
598 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
599 goto out;
600 }
601
602 switch (td->o.numa_mem_mode) {
603 case MPOL_PREFERRED:
604 /*
605 * Insist on a nodelist of one node only
606 */
607 if (nodelist) {
608 char *rest = nodelist;
609 while (isdigit(*rest))
610 rest++;
611 if (*rest) {
612 log_err("fio: one node only for \'prefer\'\n");
613 goto out;
614 }
615 } else {
616 log_err("fio: one node is needed for \'prefer\'\n");
617 goto out;
618 }
619 break;
620 case MPOL_INTERLEAVE:
621 /*
622 * Default to online nodes with memory if no nodelist
623 */
624 if (!nodelist)
625 nodelist = strdup("all");
626 break;
627 case MPOL_LOCAL:
628 case MPOL_DEFAULT:
629 /*
630 * Don't allow a nodelist
631 */
632 if (nodelist) {
633 log_err("fio: NO nodelist for \'local\'\n");
634 goto out;
635 }
636 break;
637 case MPOL_BIND:
638 /*
639 * Insist on a nodelist
640 */
641 if (!nodelist) {
642 log_err("fio: a nodelist is needed for \'bind\'\n");
643 goto out;
644 }
645 break;
646 }
647
648
649 /* numa_parse_nodestring() parses a character string list
650 * of nodes into a bit mask. The bit mask is allocated by
651 * numa_allocate_nodemask(), so it should be freed by
652 * numa_free_nodemask().
653 */
654 switch (td->o.numa_mem_mode) {
655 case MPOL_PREFERRED:
656 td->o.numa_mem_prefer_node = atoi(nodelist);
657 break;
658 case MPOL_INTERLEAVE:
659 case MPOL_BIND:
660 td->o.numa_memnodesmask = numa_parse_nodestring(nodelist);
661 if (td->o.numa_memnodesmask == NULL) {
662 log_err("fio: numa_parse_nodestring failed\n");
663 td_verror(td, 1, "str_numa_memnodes_cb");
664 return 1;
665 }
666 break;
667 case MPOL_LOCAL:
668 case MPOL_DEFAULT:
669 default:
670 break;
671 }
672
673 td->o.numa_memmask_set = 1;
674 return 0;
675
676out:
677 return 1;
678}
679#endif
680
214e1eca
JA		 681static int str_fst_cb(void *data, const char *str)
682{
683 struct thread_data *td = data;
684 char *nr = get_opt_postfix(str);
685
686 td->file_service_nr = 1;
182ec6ee 687 if (nr) {
214e1eca 688 td->file_service_nr = atoi(nr);
182ec6ee
JA		 689 free(nr);
690 }
214e1eca
JA		 691
692 return 0;
693}
694
67bf9823 695#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 696static int str_sfr_cb(void *data, const char *str)
697{
698 struct thread_data *td = data;
699 char *nr = get_opt_postfix(str);
700
701 td->sync_file_range_nr = 1;
702 if (nr) {
703 td->sync_file_range_nr = atoi(nr);
704 free(nr);
705 }
706
707 return 0;
708}
3ae06371 709#endif
44f29692 710
e25839d4
JA		 711static int str_random_distribution_cb(void *data, const char *str)
712{
713 struct thread_data *td = data;
714 double val;
715 char *nr;
716
52c0cea3
JA		 717 if (parse_dryrun())
718 return 0;
719
925fee33
JA		 720 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
721 val = 1.1;
722 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
723 val = 0.2;
724 else
e25839d4
JA		 725 return 0;
726
727 nr = get_opt_postfix(str);
925fee33 728 if (nr && !str_to_float(nr, &val)) {
e25839d4
JA		 729 log_err("fio: random postfix parsing failed\n");
730 free(nr);
731 return 1;
732 }
733
078189c1
JA		 734 free(nr);
735
18ded917
JA		 736 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
737 if (val == 1.00) {
738 log_err("fio: zipf theta must different than 1.0\n");
739 return 1;
740 }
1e5324e7 741 td->o.zipf_theta.u.f = val;
18ded917 742 } else {
078189c1
JA		 743 if (val <= 0.00 || val >= 1.00) {
744 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
745 return 1;
746 }
1e5324e7 747 td->o.pareto_h.u.f = val;
fcef0b35 748 }
921c766f
JA		 749
750 return 0;
751}
752
8e827d35 753/*
bcbfeefa 754 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 755 * is escaped with a '\', then that ':' is part of the filename and does not
756 * indicate a new file.
757 */
bcbfeefa 758static char *get_next_name(char **ptr)
8e827d35
JA		 759{
760 char *str = *ptr;
761 char *p, *start;
762
763 if (!str || !strlen(str))
764 return NULL;
765
766 start = str;
767 do {
768 /*
769 * No colon, we are done
770 */
771 p = strchr(str, ':');
772 if (!p) {
773 *ptr = NULL;
774 break;
775 }
776
777 /*
778 * We got a colon, but it's the first character. Skip and
779 * continue
780 */
781 if (p == start) {
782 str = ++start;
783 continue;
784 }
785
786 if (*(p - 1) != '\\') {
787 *p = '\0';
788 *ptr = p + 1;
789 break;
790 }
791
792 memmove(p - 1, p, strlen(p) + 1);
793 str = p;
794 } while (1);
795
796 return start;
797}
798
bcbfeefa
CE		 799
800static int get_max_name_idx(char *input)
801{
802 unsigned int cur_idx;
803 char *str, *p;
804
805 p = str = strdup(input);
806 for (cur_idx = 0; ; cur_idx++)
807 if (get_next_name(&str) == NULL)
808 break;
809
810 free(p);
811 return cur_idx;
812}
813
814/*
815 * Returns the directory at the index, indexes > entires will be
816 * assigned via modulo division of the index
817 */
818int set_name_idx(char *target, char *input, int index)
819{
820 unsigned int cur_idx;
821 int len;
822 char *fname, *str, *p;
823
824 p = str = strdup(input);
825
826 index %= get_max_name_idx(input);
827 for (cur_idx = 0; cur_idx <= index; cur_idx++)
828 fname = get_next_name(&str);
829
830 len = sprintf(target, "%s/", fname);
831 free(p);
832
833 return len;
834}
835
214e1eca
JA		 836static int str_filename_cb(void *data, const char *input)
837{
838 struct thread_data *td = data;
839 char *fname, *str, *p;
840
841 p = str = strdup(input);
842
843 strip_blank_front(&str);
844 strip_blank_end(str);
845
846 if (!td->files_index)
2dc1bbeb 847 td->o.nr_files = 0;
214e1eca 848
bcbfeefa 849 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 850 if (!strlen(fname))
851 break;
5903e7b7 852 add_file(td, fname, 0, 1);
214e1eca
JA		 853 }
854
855 free(p);
856 return 0;
857}
858
bcbfeefa 859static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA		 860{
861 struct thread_data *td = data;
862 struct stat sb;
bcbfeefa
CE		 863 char *dirname, *str, *p;
864 int ret = 0;
214e1eca 865
f9633d72
JA		 866 if (parse_dryrun())
867 return 0;
868
bcbfeefa
CE		 869 p = str = strdup(td->o.directory);
870 while ((dirname = get_next_name(&str)) != NULL) {
871 if (lstat(dirname, &sb) < 0) {
872 ret = errno;
921c766f 873
bcbfeefa
CE		 874 log_err("fio: %s is not a directory\n", dirname);
875 td_verror(td, ret, "lstat");
876 goto out;
877 }
878 if (!S_ISDIR(sb.st_mode)) {
879 log_err("fio: %s is not a directory\n", dirname);
880 ret = 1;
881 goto out;
882 }
214e1eca
JA		 883 }
884
bcbfeefa
CE		 885out:
886 free(p);
887 return ret;
214e1eca
JA		 888}
889
f2a2803a
JA		 890static int str_lockfile_cb(void *data, const char fio_unused *str)
891{
892 struct thread_data *td = data;
893
894 if (td->files_index) {
895 log_err("fio: lockfile= option must precede filename=\n");
896 return 1;
897 }
898
899 return 0;
900}
901
214e1eca
JA		 902static int str_opendir_cb(void *data, const char fio_unused *str)
903{
904 struct thread_data *td = data;
905
52c0cea3
JA		 906 if (parse_dryrun())
907 return 0;
908
214e1eca 909 if (!td->files_index)
2dc1bbeb 910 td->o.nr_files = 0;
214e1eca 911
2dc1bbeb 912 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 913}
914
ce35b1ec
JA		 915static int pattern_cb(char *pattern, unsigned int max_size,
916 const char *input, unsigned int *pattern_bytes)
90059d65 917{
0e92f873 918 long off;
ce35b1ec
JA		 919 int i = 0, j = 0, len, k, base = 10;
920 uint32_t pattern_length;
3c3ed070 921 char *loc1, *loc2;
0e92f873
RR		 922
923 loc1 = strstr(input, "0x");
924 loc2 = strstr(input, "0X");
925 if (loc1 || loc2)
926 base = 16;
927 off = strtol(input, NULL, base);
928 if (off != LONG_MAX || errno != ERANGE) {
929 while (off) {
ce35b1ec 930 pattern[i] = off & 0xff;
0e92f873
RR		 931 off >>= 8;
932 i++;
933 }
934 } else {
935 len = strlen(input);
936 k = len - 1;
937 if (base == 16) {
938 if (loc1)
939 j = loc1 - input + 2;
940 else
941 j = loc2 - input + 2;
942 } else
943 return 1;
ce35b1ec 944 if (len - j < max_size * 2) {
0e92f873
RR		 945 while (k >= j) {
946 off = converthexchartoint(input[k--]);
947 if (k >= j)
948 off += (converthexchartoint(input[k--])
949 * 16);
ce35b1ec 950 pattern[i++] = (char) off;
0e92f873
RR		 951 }
952 }
953 }
efcd9dcc
SL		 954
955 /*
956 * Fill the pattern all the way to the end. This greatly reduces
957 * the number of memcpy's we have to do when verifying the IO.
958 */
e078de4a 959 pattern_length = i;
ce35b1ec
JA		 960 while (i > 1 && i * 2 <= max_size) {
961 memcpy(&pattern[i], &pattern[0], i);
efcd9dcc
SL		 962 i *= 2;
963 }
e078de4a
JA		 964
965 /*
966 * Fill remainder, if the pattern multiple ends up not being
ce35b1ec 967 * max_size.
e078de4a 968 */
ce35b1ec
JA		 969 while (i > 1 && i < max_size) {
970 unsigned int b = min(pattern_length, max_size - i);
e078de4a 971
ce35b1ec 972 memcpy(&pattern[i], &pattern[0], b);
e078de4a
JA		 973 i += b;
974 }
975
9a2a86d0
SL		 976 if (i == 1) {
977 /*
978 * The code in verify_io_u_pattern assumes a single byte pattern
979 * fills the whole verify pattern buffer.
980 */
ce35b1ec
JA		 981 memset(pattern, pattern[0], max_size);
982 }
983
984 *pattern_bytes = i;
985 return 0;
986}
987
988static int str_buffer_pattern_cb(void *data, const char *input)
989{
990 struct thread_data *td = data;
991 int ret;
992
993 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
994 &td->o.buffer_pattern_bytes);
995
996 if (!ret) {
997 td->o.refill_buffers = 0;
998 td->o.scramble_buffers = 0;
999 td->o.zero_buffers = 0;
9a2a86d0 1000 }
efcd9dcc 1001
ce35b1ec
JA		 1002 return ret;
1003}
1004
bedc9dc2
JA		 1005static int str_buffer_compress_cb(void *data, unsigned long long *il)
1006{
1007 struct thread_data *td = data;
1008
1009 td->flags |= TD_F_COMPRESS;
1010 td->o.compress_percentage = *il;
1011 return 0;
1012}
1013
ce35b1ec
JA		 1014static int str_verify_pattern_cb(void *data, const char *input)
1015{
1016 struct thread_data *td = data;
1017 int ret;
1018
1019 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1020 &td->o.verify_pattern_bytes);
efcd9dcc 1021
92bf48d5
JA		 1022 /*
1023 * VERIFY_META could already be set
1024 */
ce35b1ec 1025 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 1026 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1027
ce35b1ec 1028 return ret;
90059d65 1029}
214e1eca 1030
993bf48b
JA		 1031static int str_gtod_reduce_cb(void *data, int *il)
1032{
1033 struct thread_data *td = data;
1034 int val = *il;
1035
02af0988 1036 td->o.disable_lat = !!val;
993bf48b
JA		 1037 td->o.disable_clat = !!val;
1038 td->o.disable_slat = !!val;
1039 td->o.disable_bw = !!val;
0dc1bc03 1040 td->o.clat_percentiles = !val;
993bf48b
JA		 1041 if (val)
1042 td->tv_cache_mask = 63;
1043
1044 return 0;
1045}
1046
85bc833b 1047static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA		 1048{
1049 struct thread_data *td = data;
1050 int val = *il;
1051
1052 td->o.gtod_cpu = val;
1053 td->o.gtod_offload = 1;
1054 return 0;
1055}
1056
7bb59102
JA		 1057static int str_size_cb(void *data, unsigned long long *__val)
1058{
1059 struct thread_data *td = data;
1060 unsigned long long v = *__val;
1061
1062 if (parse_is_percent(v)) {
1063 td->o.size = 0;
1064 td->o.size_percent = -1ULL - v;
1065 } else
1066 td->o.size = v;
1067
1068 return 0;
1069}
1070
896cac2a
JA		 1071static int rw_verify(struct fio_option *o, void *data)
1072{
1073 struct thread_data *td = data;
1074
1075 if (read_only && td_write(td)) {
1076 log_err("fio: job <%s> has write bit set, but fio is in"
1077 " read-only mode\n", td->o.name);
1078 return 1;
1079 }
1080
1081 return 0;
1082}
1083
276ca4f7 1084static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1085{
276ca4f7 1086#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1087 struct thread_data *td = data;
1088
29d43ff9
JA		 1089 if (td->o.gtod_cpu) {
1090 log_err("fio: platform must support CPU affinity for"
1091 "gettimeofday() offloading\n");
1092 return 1;
1093 }
1094#endif
1095
1096 return 0;
1097}
1098
9af4a244
JA		 1099/*
1100 * Option grouping
1101 */
1102static struct opt_group fio_opt_groups[] = {
1103 {
e8b0e958
JA		 1104 .name = "General",
1105 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 1106 },
1107 {
e8b0e958
JA		 1108 .name = "I/O",
1109 .mask = FIO_OPT_C_IO,
9af4a244
JA		 1110 },
1111 {
e8b0e958
JA		 1112 .name = "File",
1113 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 1114 },
1115 {
e8b0e958
JA		 1116 .name = "Statistics",
1117 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 1118 },
1119 {
e8b0e958
JA		 1120 .name = "Logging",
1121 .mask = FIO_OPT_C_LOG,
9af4a244 1122 },
13fca827
JA		 1123 {
1124 .name = "Profiles",
1125 .mask = FIO_OPT_C_PROFILE,
1126 },
e231bbe6 1127 {
e8b0e958 1128 .name = NULL,
e231bbe6 1129 },
e8b0e958
JA		 1130};
1131
1132static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1133 unsigned int inv_mask)
1134{
1135 struct opt_group *og;
1136 int i;
1137
1138 if (*mask == inv_mask || !*mask)
1139 return NULL;
1140
1141 for (i = 0; ogs[i].name; i++) {
1142 og = &ogs[i];
1143
1144 if (*mask & og->mask) {
1145 *mask &= ~(og->mask);
1146 return og;
1147 }
1148 }
1149
1150 return NULL;
1151}
1152
1153struct opt_group *opt_group_from_mask(unsigned int *mask)
1154{
1155 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1156}
1157
1158static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA		 1159 {
1160 .name = "Latency profiling",
1161 .mask = FIO_OPT_G_LATPROF,
1162 },
9af4a244 1163 {
e8b0e958
JA		 1164 .name = "Rate",
1165 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1166 },
1167 {
e8b0e958
JA		 1168 .name = "Zone",
1169 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1170 },
1171 {
e8b0e958
JA		 1172 .name = "Read/write mix",
1173 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1174 },
1175 {
1176 .name = "Verify",
1177 .mask = FIO_OPT_G_VERIFY,
1178 },
1179 {
e8b0e958
JA		 1180 .name = "Trim",
1181 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1182 },
1183 {
e8b0e958
JA		 1184 .name = "I/O Logging",
1185 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1186 },
1187 {
e8b0e958
JA		 1188 .name = "I/O Depth",
1189 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1190 },
1191 {
e8b0e958
JA		 1192 .name = "I/O Flow",
1193 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1194 },
0626037e
JA		 1195 {
1196 .name = "Description",
1197 .mask = FIO_OPT_G_DESC,
1198 },
1199 {
1200 .name = "Filename",
1201 .mask = FIO_OPT_G_FILENAME,
1202 },
1203 {
1204 .name = "General I/O",
1205 .mask = FIO_OPT_G_IO_BASIC,
1206 },
a1f6afec
JA		 1207 {
1208 .name = "Cgroups",
1209 .mask = FIO_OPT_G_CGROUP,
1210 },
1211 {
1212 .name = "Runtime",
1213 .mask = FIO_OPT_G_RUNTIME,
1214 },
10860056
JA		 1215 {
1216 .name = "Process",
1217 .mask = FIO_OPT_G_PROCESS,
1218 },
1219 {
1220 .name = "Job credentials / priority",
1221 .mask = FIO_OPT_G_CRED,
1222 },
1223 {
1224 .name = "Clock settings",
1225 .mask = FIO_OPT_G_CLOCK,
1226 },
3ceb458f
JA		 1227 {
1228 .name = "I/O Type",
1229 .mask = FIO_OPT_G_IO_TYPE,
1230 },
1231 {
1232 .name = "I/O Thinktime",
1233 .mask = FIO_OPT_G_THINKTIME,
1234 },
1235 {
1236 .name = "Randomizations",
1237 .mask = FIO_OPT_G_RANDOM,
1238 },
1239 {
1240 .name = "I/O buffers",
1241 .mask = FIO_OPT_G_IO_BUF,
1242 },
13fca827
JA		 1243 {
1244 .name = "Tiobench profile",
1245 .mask = FIO_OPT_G_TIOBENCH,
1246 },
1247
9af4a244
JA		 1248 {
1249 .name = NULL,
e8b0e958 1250 }
9af4a244
JA		 1251};
1252
e8b0e958 1253struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1254{
e8b0e958 1255 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1256}
1257
214e1eca
JA		 1258/*
1259 * Map of job/command line options
1260 */
9af4a244 1261struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1262 {
1263 .name = "description",
e8b0e958 1264 .lname = "Description of job",
214e1eca
JA		 1265 .type = FIO_OPT_STR_STORE,
1266 .off1 = td_var_offset(description),
1267 .help = "Text job description",
e8b0e958 1268 .category = FIO_OPT_C_GENERAL,
0626037e 1269 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1270 },
1271 {
1272 .name = "name",
e8b0e958 1273 .lname = "Job name",
214e1eca
JA		 1274 .type = FIO_OPT_STR_STORE,
1275 .off1 = td_var_offset(name),
1276 .help = "Name of this job",
e8b0e958 1277 .category = FIO_OPT_C_GENERAL,
0626037e 1278 .group = FIO_OPT_G_DESC,
214e1eca 1279 },
214e1eca
JA		 1280 {
1281 .name = "filename",
e8b0e958 1282 .lname = "Filename(s)",
214e1eca
JA		 1283 .type = FIO_OPT_STR_STORE,
1284 .off1 = td_var_offset(filename),
1285 .cb = str_filename_cb,
f0d524b0 1286 .prio = -1, /* must come after "directory" */
214e1eca 1287 .help = "File(s) to use for the workload",
e8b0e958 1288 .category = FIO_OPT_C_FILE,
0626037e 1289 .group = FIO_OPT_G_FILENAME,
214e1eca 1290 },
90fef2d1 1291 {
e8b0e958
JA		 1292 .name = "directory",
1293 .lname = "Directory",
1294 .type = FIO_OPT_STR_STORE,
1295 .off1 = td_var_offset(directory),
1296 .cb = str_directory_cb,
1297 .help = "Directory to store files in",
1298 .category = FIO_OPT_C_FILE,
0626037e 1299 .group = FIO_OPT_G_FILENAME,
90fef2d1 1300 },
de98bd30
JA		 1301 {
1302 .name = "filename_format",
1303 .type = FIO_OPT_STR_STORE,
1304 .off1 = td_var_offset(filename_format),
1305 .prio = -1, /* must come after "directory" */
1306 .help = "Override default $jobname.$jobnum.$filenum naming",
1307 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1308 .category = FIO_OPT_C_FILE,
1309 .group = FIO_OPT_G_FILENAME,
ad705bcb 1310 },
29c1349f
JA		 1311 {
1312 .name = "lockfile",
e8b0e958 1313 .lname = "Lockfile",
4d4e80f2 1314 .type = FIO_OPT_STR,
4d4e80f2 1315 .off1 = td_var_offset(file_lock_mode),
29c1349f 1316 .help = "Lock file when doing IO to it",
bc6a0a5d 1317 .prio = 1,
29c1349f 1318 .parent = "filename",
d71c154c 1319 .hide = 0,
4d4e80f2 1320 .def = "none",
f2a2803a 1321 .cb = str_lockfile_cb,
e8b0e958 1322 .category = FIO_OPT_C_FILE,
0626037e 1323 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1324 .posval = {
1325 { .ival = "none",
1326 .oval = FILE_LOCK_NONE,
1327 .help = "No file locking",
1328 },
1329 { .ival = "exclusive",
1330 .oval = FILE_LOCK_EXCLUSIVE,
1331 .help = "Exclusive file lock",
1332 },
1333 {
1334 .ival = "readwrite",
1335 .oval = FILE_LOCK_READWRITE,
1336 .help = "Read vs write lock",
1337 },
1338 },
29c1349f 1339 },
214e1eca
JA		 1340 {
1341 .name = "opendir",
e8b0e958 1342 .lname = "Open directory",
214e1eca
JA		 1343 .type = FIO_OPT_STR_STORE,
1344 .off1 = td_var_offset(opendir),
1345 .cb = str_opendir_cb,
1346 .help = "Recursively add files from this directory and down",
e8b0e958 1347 .category = FIO_OPT_C_FILE,
0626037e 1348 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1349 },
1350 {
1351 .name = "rw",
e8b0e958 1352 .lname = "Read/write",
d3aad8f2 1353 .alias = "readwrite",
214e1eca 1354 .type = FIO_OPT_STR,
211097b2 1355 .cb = str_rw_cb,
214e1eca
JA		 1356 .off1 = td_var_offset(td_ddir),
1357 .help = "IO direction",
1358 .def = "read",
896cac2a 1359 .verify = rw_verify,
e8b0e958 1360 .category = FIO_OPT_C_IO,
0626037e 1361 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1362 .posval = {
1363 { .ival = "read",
1364 .oval = TD_DDIR_READ,
1365 .help = "Sequential read",
1366 },
1367 { .ival = "write",
1368 .oval = TD_DDIR_WRITE,
1369 .help = "Sequential write",
1370 },
6eaf09d6
SL		 1371 { .ival = "trim",
1372 .oval = TD_DDIR_TRIM,
1373 .help = "Sequential trim",
1374 },
214e1eca
JA		 1375 { .ival = "randread",
1376 .oval = TD_DDIR_RANDREAD,
1377 .help = "Random read",
1378 },
1379 { .ival = "randwrite",
1380 .oval = TD_DDIR_RANDWRITE,
1381 .help = "Random write",
1382 },
6eaf09d6
SL		 1383 { .ival = "randtrim",
1384 .oval = TD_DDIR_RANDTRIM,
1385 .help = "Random trim",
1386 },
214e1eca
JA		 1387 { .ival = "rw",
1388 .oval = TD_DDIR_RW,
1389 .help = "Sequential read and write mix",
1390 },
10b023db
JA		 1391 { .ival = "readwrite",
1392 .oval = TD_DDIR_RW,
1393 .help = "Sequential read and write mix",
1394 },
214e1eca
JA		 1395 { .ival = "randrw",
1396 .oval = TD_DDIR_RANDRW,
1397 .help = "Random read and write mix"
1398 },
1399 },
1400 },
38dad62d
JA		 1401 {
1402 .name = "rw_sequencer",
e8b0e958 1403 .lname = "RW Sequencer",
38dad62d
JA		 1404 .type = FIO_OPT_STR,
1405 .off1 = td_var_offset(rw_seq),
1406 .help = "IO offset generator modifier",
1407 .def = "sequential",
e8b0e958 1408 .category = FIO_OPT_C_IO,
0626037e 1409 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1410 .posval = {
1411 { .ival = "sequential",
1412 .oval = RW_SEQ_SEQ,
1413 .help = "Generate sequential offsets",
1414 },
1415 { .ival = "identical",
1416 .oval = RW_SEQ_IDENT,
1417 .help = "Generate identical offsets",
1418 },
1419 },
1420 },
1421
214e1eca
JA		 1422 {
1423 .name = "ioengine",
e8b0e958 1424 .lname = "IO Engine",
214e1eca
JA		 1425 .type = FIO_OPT_STR_STORE,
1426 .off1 = td_var_offset(ioengine),
1427 .help = "IO engine to use",
58483fa4 1428 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1429 .category = FIO_OPT_C_IO,
0626037e 1430 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1431 .posval = {
1432 { .ival = "sync",
1433 .help = "Use read/write",
1434 },
a31041ea 1435 { .ival = "psync",
1436 .help = "Use pread/pwrite",
1437 },
1d2af02a 1438 { .ival = "vsync",
03e20d68 1439 .help = "Use readv/writev",
1d2af02a 1440 },
07fc0acd
JA		 1441#ifdef CONFIG_PWRITEV
1442 { .ival = "pvsync",
1443 .help = "Use preadv/pwritev",
1444 },
1445#endif
67bf9823 1446#ifdef CONFIG_LIBAIO
214e1eca
JA		 1447 { .ival = "libaio",
1448 .help = "Linux native asynchronous IO",
1449 },
1450#endif
67bf9823 1451#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1452 { .ival = "posixaio",
1453 .help = "POSIX asynchronous IO",
1454 },
417f0068 1455#endif
997843cb 1456#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1457 { .ival = "solarisaio",
1458 .help = "Solaris native asynchronous IO",
1459 },
214e1eca 1460#endif
4700b234 1461#ifdef CONFIG_WINDOWSAIO
03e20d68 1462 { .ival = "windowsaio",
3be80071 1463 .help = "Windows native asynchronous IO"
de890a1e 1464 },
fc5c0345
DG		 1465#endif
1466#ifdef CONFIG_RBD
1467 { .ival = "rbd",
1468 .help = "Rados Block Device asynchronous IO"
1469 },
3be80071 1470#endif
214e1eca 1471 { .ival = "mmap",
03e20d68 1472 .help = "Memory mapped IO"
214e1eca 1473 },
67bf9823 1474#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1475 { .ival = "splice",
1476 .help = "splice/vmsplice based IO",
1477 },
9cce02e8
JA		 1478 { .ival = "netsplice",
1479 .help = "splice/vmsplice to/from the network",
1480 },
214e1eca
JA		 1481#endif
1482#ifdef FIO_HAVE_SGIO
1483 { .ival = "sg",
1484 .help = "SCSI generic v3 IO",
1485 },
1486#endif
1487 { .ival = "null",
1488 .help = "Testing engine (no data transfer)",
1489 },
1490 { .ival = "net",
1491 .help = "Network IO",
1492 },
214e1eca 1493 { .ival = "cpuio",
03e20d68 1494 .help = "CPU cycle burner engine",
214e1eca 1495 },
67bf9823 1496#ifdef CONFIG_GUASI
b8c82a46
JA		 1497 { .ival = "guasi",
1498 .help = "GUASI IO engine",
1499 },
79a43187
JA		 1500#endif
1501#ifdef FIO_HAVE_BINJECT
1502 { .ival = "binject",
1503 .help = "binject direct inject block engine",
1504 },
21b8aee8 1505#endif
67bf9823 1506#ifdef CONFIG_RDMA
21b8aee8 1507 { .ival = "rdma",
1508 .help = "RDMA IO engine",
1509 },
8200b8c7 1510#endif
67bf9823 1511#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1512 { .ival = "fusion-aw-sync",
1513 .help = "Fusion-io atomic write engine",
1514 },
1ecc95ca 1515#endif
997843cb 1516#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1517 { .ival = "e4defrag",
1518 .help = "ext4 defrag engine",
1519 },
1520#endif
997843cb 1521#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1522 { .ival = "falloc",
1523 .help = "fallocate() file based engine",
1524 },
b8c82a46 1525#endif
a7c386f4 1526#ifdef CONFIG_GFAPI
1527 { .ival = "gfapi",
cc47f094 1528 .help = "Glusterfs libgfapi(sync) based engine"
1529 },
1530 { .ival = "gfapi_async",
1531 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1532 },
1533#endif
1534
214e1eca
JA		 1535 { .ival = "external",
1536 .help = "Load external engine (append name)",
1537 },
1538 },
1539 },
1540 {
1541 .name = "iodepth",
e8b0e958 1542 .lname = "IO Depth",
214e1eca
JA		 1543 .type = FIO_OPT_INT,
1544 .off1 = td_var_offset(iodepth),
03e20d68 1545 .help = "Number of IO buffers to keep in flight",
757aff4f 1546 .minval = 1,
20eb06bd 1547 .interval = 1,
214e1eca 1548 .def = "1",
e8b0e958 1549 .category = FIO_OPT_C_IO,
0626037e 1550 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1551 },
1552 {
1553 .name = "iodepth_batch",
e8b0e958 1554 .lname = "IO Depth batch",
4950421a 1555 .alias = "iodepth_batch_submit",
214e1eca
JA		 1556 .type = FIO_OPT_INT,
1557 .off1 = td_var_offset(iodepth_batch),
d65db441 1558 .help = "Number of IO buffers to submit in one go",
afdf9352 1559 .parent = "iodepth",
d71c154c 1560 .hide = 1,
a2e6f8ac 1561 .minval = 1,
20eb06bd 1562 .interval = 1,
a2e6f8ac 1563 .def = "1",
e8b0e958 1564 .category = FIO_OPT_C_IO,
0626037e 1565 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1566 },
1567 {
1568 .name = "iodepth_batch_complete",
e8b0e958 1569 .lname = "IO Depth batch complete",
4950421a
JA		 1570 .type = FIO_OPT_INT,
1571 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1572 .help = "Number of IO buffers to retrieve in one go",
4950421a 1573 .parent = "iodepth",
d71c154c 1574 .hide = 1,
4950421a 1575 .minval = 0,
20eb06bd 1576 .interval = 1,
4950421a 1577 .def = "1",
e8b0e958 1578 .category = FIO_OPT_C_IO,
0626037e 1579 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1580 },
1581 {
1582 .name = "iodepth_low",
e8b0e958 1583 .lname = "IO Depth batch low",
214e1eca
JA		 1584 .type = FIO_OPT_INT,
1585 .off1 = td_var_offset(iodepth_low),
1586 .help = "Low water mark for queuing depth",
afdf9352 1587 .parent = "iodepth",
d71c154c 1588 .hide = 1,
20eb06bd 1589 .interval = 1,
e8b0e958 1590 .category = FIO_OPT_C_IO,
0626037e 1591 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1592 },
1593 {
1594 .name = "size",
e8b0e958 1595 .lname = "Size",
214e1eca 1596 .type = FIO_OPT_STR_VAL,
7bb59102 1597 .cb = str_size_cb,
214e1eca 1598 .help = "Total size of device or files",
20eb06bd 1599 .interval = 1024 * 1024,
e8b0e958
JA		 1600 .category = FIO_OPT_C_IO,
1601 .group = FIO_OPT_G_INVALID,
214e1eca 1602 },
aa31f1f1
SL		 1603 {
1604 .name = "fill_device",
e8b0e958 1605 .lname = "Fill device",
74586c1e 1606 .alias = "fill_fs",
aa31f1f1
SL		 1607 .type = FIO_OPT_BOOL,
1608 .off1 = td_var_offset(fill_device),
1609 .help = "Write until an ENOSPC error occurs",
1610 .def = "0",
e8b0e958
JA		 1611 .category = FIO_OPT_C_FILE,
1612 .group = FIO_OPT_G_INVALID,
aa31f1f1 1613 },
214e1eca
JA		 1614 {
1615 .name = "filesize",
e8b0e958 1616 .lname = "File size",
214e1eca
JA		 1617 .type = FIO_OPT_STR_VAL,
1618 .off1 = td_var_offset(file_size_low),
1619 .off2 = td_var_offset(file_size_high),
c3edbdba 1620 .minval = 1,
214e1eca 1621 .help = "Size of individual files",
20eb06bd 1622 .interval = 1024 * 1024,
e8b0e958
JA		 1623 .category = FIO_OPT_C_FILE,
1624 .group = FIO_OPT_G_INVALID,
214e1eca 1625 },
bedc9dc2
JA		 1626 {
1627 .name = "file_append",
1628 .lname = "File append",
1629 .type = FIO_OPT_BOOL,
1630 .off1 = td_var_offset(file_append),
1631 .help = "IO will start at the end of the file(s)",
1632 .def = "0",
1633 .category = FIO_OPT_C_FILE,
1634 .group = FIO_OPT_G_INVALID,
1635 },
67a1000f
JA		 1636 {
1637 .name = "offset",
e8b0e958 1638 .lname = "IO offset",
67a1000f
JA		 1639 .alias = "fileoffset",
1640 .type = FIO_OPT_STR_VAL,
1641 .off1 = td_var_offset(start_offset),
1642 .help = "Start IO from this offset",
1643 .def = "0",
20eb06bd 1644 .interval = 1024 * 1024,
e8b0e958
JA		 1645 .category = FIO_OPT_C_IO,
1646 .group = FIO_OPT_G_INVALID,
67a1000f 1647 },
2d7cd868
JA		 1648 {
1649 .name = "offset_increment",
e8b0e958 1650 .lname = "IO offset increment",
2d7cd868
JA		 1651 .type = FIO_OPT_STR_VAL,
1652 .off1 = td_var_offset(offset_increment),
1653 .help = "What is the increment from one offset to the next",
1654 .parent = "offset",
d71c154c 1655 .hide = 1,
2d7cd868 1656 .def = "0",
20eb06bd 1657 .interval = 1024 * 1024,
e8b0e958
JA		 1658 .category = FIO_OPT_C_IO,
1659 .group = FIO_OPT_G_INVALID,
2d7cd868 1660 },
ddf24e42
JA		 1661 {
1662 .name = "number_ios",
1663 .lname = "Number of IOs to perform",
1664 .type = FIO_OPT_STR_VAL,
1665 .off1 = td_var_offset(number_ios),
1666 .help = "Force job completion of this number of IOs",
1667 .def = "0",
1668 .category = FIO_OPT_C_IO,
1669 .group = FIO_OPT_G_INVALID,
1670 },
214e1eca
JA		 1671 {
1672 .name = "bs",
e8b0e958 1673 .lname = "Block size",
d3aad8f2 1674 .alias = "blocksize",
e01b22b8 1675 .type = FIO_OPT_INT,
214e1eca
JA		 1676 .off1 = td_var_offset(bs[DDIR_READ]),
1677 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1678 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1679 .minval = 1,
214e1eca
JA		 1680 .help = "Block size unit",
1681 .def = "4k",
67a1000f 1682 .parent = "rw",
d71c154c 1683 .hide = 1,
20eb06bd 1684 .interval = 512,
e8b0e958
JA		 1685 .category = FIO_OPT_C_IO,
1686 .group = FIO_OPT_G_INVALID,
214e1eca 1687 },
2b7a01d0
JA		 1688 {
1689 .name = "ba",
e8b0e958 1690 .lname = "Block size align",
2b7a01d0 1691 .alias = "blockalign",
e01b22b8 1692 .type = FIO_OPT_INT,
2b7a01d0
JA		 1693 .off1 = td_var_offset(ba[DDIR_READ]),
1694 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1695 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1696 .minval = 1,
1697 .help = "IO block offset alignment",
1698 .parent = "rw",
d71c154c 1699 .hide = 1,
20eb06bd 1700 .interval = 512,
e8b0e958
JA		 1701 .category = FIO_OPT_C_IO,
1702 .group = FIO_OPT_G_INVALID,
2b7a01d0 1703 },
214e1eca
JA		 1704 {
1705 .name = "bsrange",
e8b0e958 1706 .lname = "Block size range",
d3aad8f2 1707 .alias = "blocksize_range",
214e1eca
JA		 1708 .type = FIO_OPT_RANGE,
1709 .off1 = td_var_offset(min_bs[DDIR_READ]),
1710 .off2 = td_var_offset(max_bs[DDIR_READ]),
1711 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1712 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1713 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1714 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1715 .minval = 1,
214e1eca 1716 .help = "Set block size range (in more detail than bs)",
67a1000f 1717 .parent = "rw",
d71c154c 1718 .hide = 1,
20eb06bd 1719 .interval = 4096,
e8b0e958
JA		 1720 .category = FIO_OPT_C_IO,
1721 .group = FIO_OPT_G_INVALID,
214e1eca 1722 },
564ca972
JA		 1723 {
1724 .name = "bssplit",
e8b0e958 1725 .lname = "Block size split",
564ca972
JA		 1726 .type = FIO_OPT_STR,
1727 .cb = str_bssplit_cb,
1728 .help = "Set a specific mix of block sizes",
1729 .parent = "rw",
d71c154c 1730 .hide = 1,
e8b0e958
JA		 1731 .category = FIO_OPT_C_IO,
1732 .group = FIO_OPT_G_INVALID,
564ca972 1733 },
214e1eca
JA		 1734 {
1735 .name = "bs_unaligned",
e8b0e958 1736 .lname = "Block size unaligned",
d3aad8f2 1737 .alias = "blocksize_unaligned",
214e1eca
JA		 1738 .type = FIO_OPT_STR_SET,
1739 .off1 = td_var_offset(bs_unaligned),
1740 .help = "Don't sector align IO buffer sizes",
67a1000f 1741 .parent = "rw",
d71c154c 1742 .hide = 1,
e8b0e958
JA		 1743 .category = FIO_OPT_C_IO,
1744 .group = FIO_OPT_G_INVALID,
214e1eca 1745 },
6aca9b3d
JA		 1746 {
1747 .name = "bs_is_seq_rand",
1748 .lname = "Block size division is seq/random (not read/write)",
1749 .type = FIO_OPT_BOOL,
1750 .off1 = td_var_offset(bs_is_seq_rand),
1751 .help = "Consider any blocksize setting to be sequential,ramdom",
1752 .def = "0",
1753 .parent = "blocksize",
1754 .category = FIO_OPT_C_IO,
1755 .group = FIO_OPT_G_INVALID,
1756 },
214e1eca
JA		 1757 {
1758 .name = "randrepeat",
e8b0e958 1759 .lname = "Random repeatable",
214e1eca
JA		 1760 .type = FIO_OPT_BOOL,
1761 .off1 = td_var_offset(rand_repeatable),
1762 .help = "Use repeatable random IO pattern",
1763 .def = "1",
67a1000f 1764 .parent = "rw",
d71c154c 1765 .hide = 1,
e8b0e958 1766 .category = FIO_OPT_C_IO,
3ceb458f 1767 .group = FIO_OPT_G_RANDOM,
214e1eca 1768 },
04778baf
JA		 1769 {
1770 .name = "randseed",
1771 .lname = "The random generator seed",
363cffa7 1772 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1773 .off1 = td_var_offset(rand_seed),
1774 .help = "Set the random generator seed value",
1775 .parent = "rw",
1776 .category = FIO_OPT_C_IO,
1777 .group = FIO_OPT_G_RANDOM,
1778 },
2615cc4b
JA		 1779 {
1780 .name = "use_os_rand",
e8b0e958 1781 .lname = "Use OS random",
2615cc4b
JA		 1782 .type = FIO_OPT_BOOL,
1783 .off1 = td_var_offset(use_os_rand),
1784 .help = "Set to use OS random generator",
1785 .def = "0",
1786 .parent = "rw",
d71c154c 1787 .hide = 1,
e8b0e958 1788 .category = FIO_OPT_C_IO,
3ceb458f 1789 .group = FIO_OPT_G_RANDOM,
2615cc4b 1790 },
214e1eca
JA		 1791 {
1792 .name = "norandommap",
e8b0e958 1793 .lname = "No randommap",
214e1eca
JA		 1794 .type = FIO_OPT_STR_SET,
1795 .off1 = td_var_offset(norandommap),
1796 .help = "Accept potential duplicate random blocks",
67a1000f 1797 .parent = "rw",
d71c154c 1798 .hide = 1,
b2452a43 1799 .hide_on_set = 1,
e8b0e958 1800 .category = FIO_OPT_C_IO,
3ceb458f 1801 .group = FIO_OPT_G_RANDOM,
214e1eca 1802 },
2b386d25
JA		 1803 {
1804 .name = "softrandommap",
e8b0e958 1805 .lname = "Soft randommap",
2b386d25
JA		 1806 .type = FIO_OPT_BOOL,
1807 .off1 = td_var_offset(softrandommap),
f66ab3c8 1808 .help = "Set norandommap if randommap allocation fails",
2b386d25 1809 .parent = "norandommap",
d71c154c 1810 .hide = 1,
2b386d25 1811 .def = "0",
e8b0e958 1812 .category = FIO_OPT_C_IO,
3ceb458f 1813 .group = FIO_OPT_G_RANDOM,
2b386d25 1814 },
8055e41d
JA		 1815 {
1816 .name = "random_generator",
1817 .type = FIO_OPT_STR,
1818 .off1 = td_var_offset(random_generator),
1819 .help = "Type of random number generator to use",
1820 .def = "tausworthe",
1821 .posval = {
1822 { .ival = "tausworthe",
1823 .oval = FIO_RAND_GEN_TAUSWORTHE,
1824 .help = "Strong Tausworthe generator",
1825 },
1826 { .ival = "lfsr",
1827 .oval = FIO_RAND_GEN_LFSR,
1828 .help = "Variable length LFSR",
1829 },
1830 },
48107598
JA		 1831 .category = FIO_OPT_C_IO,
1832 .group = FIO_OPT_G_RANDOM,
8055e41d 1833 },
e25839d4
JA		 1834 {
1835 .name = "random_distribution",
1836 .type = FIO_OPT_STR,
1837 .off1 = td_var_offset(random_distribution),
1838 .cb = str_random_distribution_cb,
1839 .help = "Random offset distribution generator",
1840 .def = "random",
1841 .posval = {
1842 { .ival = "random",
1843 .oval = FIO_RAND_DIST_RANDOM,
1844 .help = "Completely random",
1845 },
1846 { .ival = "zipf",
1847 .oval = FIO_RAND_DIST_ZIPF,
1848 .help = "Zipf distribution",
1849 },
925fee33
JA		 1850 { .ival = "pareto",
1851 .oval = FIO_RAND_DIST_PARETO,
1852 .help = "Pareto distribution",
1853 },
e25839d4 1854 },
48107598
JA		 1855 .category = FIO_OPT_C_IO,
1856 .group = FIO_OPT_G_RANDOM,
e25839d4 1857 },
211c9b89
JA		 1858 {
1859 .name = "percentage_random",
1860 .lname = "Percentage Random",
1861 .type = FIO_OPT_INT,
d9472271
JA		 1862 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1863 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1864 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1865 .maxval = 100,
1866 .help = "Percentage of seq/random mix that should be random",
d9472271 1867 .def = "100,100,100",
211c9b89
JA		 1868 .interval = 5,
1869 .inverse = "percentage_sequential",
1870 .category = FIO_OPT_C_IO,
1871 .group = FIO_OPT_G_RANDOM,
1872 },
1873 {
1874 .name = "percentage_sequential",
1875 .lname = "Percentage Sequential",
d9472271 1876 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1877 .category = FIO_OPT_C_IO,
1878 .group = FIO_OPT_G_RANDOM,
1879 },
56e2a5fc
CE		 1880 {
1881 .name = "allrandrepeat",
1882 .type = FIO_OPT_BOOL,
1883 .off1 = td_var_offset(allrand_repeatable),
1884 .help = "Use repeatable random numbers for everything",
1885 .def = "0",
a869d9c6
JA		 1886 .category = FIO_OPT_C_IO,
1887 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1888 },
214e1eca
JA		 1889 {
1890 .name = "nrfiles",
e8b0e958 1891 .lname = "Number of files",
d7c8be03 1892 .alias = "nr_files",
214e1eca
JA		 1893 .type = FIO_OPT_INT,
1894 .off1 = td_var_offset(nr_files),
1895 .help = "Split job workload between this number of files",
1896 .def = "1",
20eb06bd 1897 .interval = 1,
e8b0e958
JA		 1898 .category = FIO_OPT_C_FILE,
1899 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1900 },
1901 {
1902 .name = "openfiles",
e8b0e958 1903 .lname = "Number of open files",
214e1eca
JA		 1904 .type = FIO_OPT_INT,
1905 .off1 = td_var_offset(open_files),
1906 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1907 .category = FIO_OPT_C_FILE,
1908 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1909 },
1910 {
1911 .name = "file_service_type",
e8b0e958 1912 .lname = "File service type",
214e1eca
JA		 1913 .type = FIO_OPT_STR,
1914 .cb = str_fst_cb,
1915 .off1 = td_var_offset(file_service_type),
1916 .help = "How to select which file to service next",
1917 .def = "roundrobin",
e8b0e958
JA		 1918 .category = FIO_OPT_C_FILE,
1919 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1920 .posval = {
1921 { .ival = "random",
1922 .oval = FIO_FSERVICE_RANDOM,
1923 .help = "Choose a file at random",
1924 },
1925 { .ival = "roundrobin",
1926 .oval = FIO_FSERVICE_RR,
1927 .help = "Round robin select files",
1928 },
a086c257
JA		 1929 { .ival = "sequential",
1930 .oval = FIO_FSERVICE_SEQ,
1931 .help = "Finish one file before moving to the next",
1932 },
214e1eca 1933 },
67a1000f 1934 .parent = "nrfiles",
d71c154c 1935 .hide = 1,
67a1000f 1936 },
97ac992c 1937#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 1938 {
1939 .name = "fallocate",
e8b0e958 1940 .lname = "Fallocate",
a596f047
EG		 1941 .type = FIO_OPT_STR,
1942 .off1 = td_var_offset(fallocate_mode),
1943 .help = "Whether pre-allocation is performed when laying out files",
1944 .def = "posix",
e8b0e958
JA		 1945 .category = FIO_OPT_C_FILE,
1946 .group = FIO_OPT_G_INVALID,
a596f047
EG		 1947 .posval = {
1948 { .ival = "none",
1949 .oval = FIO_FALLOCATE_NONE,
1950 .help = "Do not pre-allocate space",
1951 },
1952 { .ival = "posix",
1953 .oval = FIO_FALLOCATE_POSIX,
1954 .help = "Use posix_fallocate()",
1955 },
97ac992c 1956#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 1957 { .ival = "keep",
1958 .oval = FIO_FALLOCATE_KEEP_SIZE,
1959 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1960 },
7bc8c2cf 1961#endif
a596f047
EG		 1962 /* Compatibility with former boolean values */
1963 { .ival = "0",
1964 .oval = FIO_FALLOCATE_NONE,
1965 .help = "Alias for 'none'",
1966 },
1967 { .ival = "1",
1968 .oval = FIO_FALLOCATE_POSIX,
1969 .help = "Alias for 'posix'",
1970 },
1971 },
1972 },
97ac992c 1973#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 1974 {
1975 .name = "fadvise_hint",
e8b0e958 1976 .lname = "Fadvise hint",
67a1000f
JA		 1977 .type = FIO_OPT_BOOL,
1978 .off1 = td_var_offset(fadvise_hint),
1979 .help = "Use fadvise() to advise the kernel on IO pattern",
1980 .def = "1",
e8b0e958
JA		 1981 .category = FIO_OPT_C_FILE,
1982 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1983 },
1984 {
1985 .name = "fsync",
e8b0e958 1986 .lname = "Fsync",
214e1eca
JA		 1987 .type = FIO_OPT_INT,
1988 .off1 = td_var_offset(fsync_blocks),
1989 .help = "Issue fsync for writes every given number of blocks",
1990 .def = "0",
20eb06bd 1991 .interval = 1,
e8b0e958
JA		 1992 .category = FIO_OPT_C_FILE,
1993 .group = FIO_OPT_G_INVALID,
214e1eca 1994 },
5f9099ea
JA		 1995 {
1996 .name = "fdatasync",
e8b0e958 1997 .lname = "Fdatasync",
5f9099ea
JA		 1998 .type = FIO_OPT_INT,
1999 .off1 = td_var_offset(fdatasync_blocks),
2000 .help = "Issue fdatasync for writes every given number of blocks",
2001 .def = "0",
20eb06bd 2002 .interval = 1,
e8b0e958
JA		 2003 .category = FIO_OPT_C_FILE,
2004 .group = FIO_OPT_G_INVALID,
5f9099ea 2005 },
1ef2b6be
JA		 2006 {
2007 .name = "write_barrier",
e8b0e958 2008 .lname = "Write barrier",
1ef2b6be
JA		 2009 .type = FIO_OPT_INT,
2010 .off1 = td_var_offset(barrier_blocks),
2011 .help = "Make every Nth write a barrier write",
2012 .def = "0",
20eb06bd 2013 .interval = 1,
e8b0e958
JA		 2014 .category = FIO_OPT_C_IO,
2015 .group = FIO_OPT_G_INVALID,
1ef2b6be 2016 },
67bf9823 2017#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2018 {
2019 .name = "sync_file_range",
e8b0e958 2020 .lname = "Sync file range",
44f29692
JA		 2021 .posval = {
2022 { .ival = "wait_before",
2023 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2024 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2025 .orval = 1,
44f29692
JA		 2026 },
2027 { .ival = "write",
2028 .oval = SYNC_FILE_RANGE_WRITE,
2029 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2030 .orval = 1,
44f29692
JA		 2031 },
2032 {
2033 .ival = "wait_after",
2034 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2035 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2036 .orval = 1,
44f29692
JA		 2037 },
2038 },
3843deb3 2039 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2040 .cb = str_sfr_cb,
2041 .off1 = td_var_offset(sync_file_range),
2042 .help = "Use sync_file_range()",
e8b0e958
JA		 2043 .category = FIO_OPT_C_FILE,
2044 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2045 },
2046#endif
214e1eca
JA		 2047 {
2048 .name = "direct",
e8b0e958 2049 .lname = "Direct I/O",
214e1eca
JA		 2050 .type = FIO_OPT_BOOL,
2051 .off1 = td_var_offset(odirect),
2052 .help = "Use O_DIRECT IO (negates buffered)",
2053 .def = "0",
a01a1bc5 2054 .inverse = "buffered",
e8b0e958 2055 .category = FIO_OPT_C_IO,
3ceb458f 2056 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2057 },
d01612f3
CM		 2058 {
2059 .name = "atomic",
2060 .lname = "Atomic I/O",
2061 .type = FIO_OPT_BOOL,
2062 .off1 = td_var_offset(oatomic),
2063 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2064 .def = "0",
2065 .category = FIO_OPT_C_IO,
2066 .group = FIO_OPT_G_IO_TYPE,
2067 },
214e1eca
JA		 2068 {
2069 .name = "buffered",
e8b0e958 2070 .lname = "Buffered I/O",
214e1eca
JA		 2071 .type = FIO_OPT_BOOL,
2072 .off1 = td_var_offset(odirect),
2073 .neg = 1,
2074 .help = "Use buffered IO (negates direct)",
2075 .def = "1",
a01a1bc5 2076 .inverse = "direct",
e8b0e958 2077 .category = FIO_OPT_C_IO,
3ceb458f 2078 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2079 },
2080 {
2081 .name = "overwrite",
e8b0e958 2082 .lname = "Overwrite",
214e1eca
JA		 2083 .type = FIO_OPT_BOOL,
2084 .off1 = td_var_offset(overwrite),
2085 .help = "When writing, set whether to overwrite current data",
2086 .def = "0",
e8b0e958
JA		 2087 .category = FIO_OPT_C_FILE,
2088 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2089 },
2090 {
2091 .name = "loops",
e8b0e958 2092 .lname = "Loops",
214e1eca
JA		 2093 .type = FIO_OPT_INT,
2094 .off1 = td_var_offset(loops),
2095 .help = "Number of times to run the job",
2096 .def = "1",
20eb06bd 2097 .interval = 1,
e8b0e958 2098 .category = FIO_OPT_C_GENERAL,
a1f6afec 2099 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2100 },
2101 {
2102 .name = "numjobs",
e8b0e958 2103 .lname = "Number of jobs",
214e1eca
JA		 2104 .type = FIO_OPT_INT,
2105 .off1 = td_var_offset(numjobs),
2106 .help = "Duplicate this job this many times",
2107 .def = "1",
20eb06bd 2108 .interval = 1,
e8b0e958 2109 .category = FIO_OPT_C_GENERAL,
a1f6afec 2110 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2111 },
2112 {
2113 .name = "startdelay",
e8b0e958 2114 .lname = "Start delay",
a5737c93 2115 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2116 .off1 = td_var_offset(start_delay),
23ed19b0 2117 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2118 .help = "Only start job when this period has passed",
2119 .def = "0",
0de5b26f 2120 .is_seconds = 1,
e8b0e958 2121 .category = FIO_OPT_C_GENERAL,
a1f6afec 2122 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2123 },
2124 {
2125 .name = "runtime",
e8b0e958 2126 .lname = "Runtime",
214e1eca
JA		 2127 .alias = "timeout",
2128 .type = FIO_OPT_STR_VAL_TIME,
2129 .off1 = td_var_offset(timeout),
2130 .help = "Stop workload when this amount of time has passed",
2131 .def = "0",
0de5b26f 2132 .is_seconds = 1,
e8b0e958 2133 .category = FIO_OPT_C_GENERAL,
a1f6afec 2134 .group = FIO_OPT_G_RUNTIME,
214e1eca 2135 },
cf4464ca
JA		 2136 {
2137 .name = "time_based",
e8b0e958 2138 .lname = "Time based",
cf4464ca
JA		 2139 .type = FIO_OPT_STR_SET,
2140 .off1 = td_var_offset(time_based),
2141 .help = "Keep running until runtime/timeout is met",
e8b0e958 2142 .category = FIO_OPT_C_GENERAL,
a1f6afec 2143 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2144 },
62167762
JC		 2145 {
2146 .name = "verify_only",
2147 .lname = "Verify only",
2148 .type = FIO_OPT_STR_SET,
2149 .off1 = td_var_offset(verify_only),
2150 .help = "Verifies previously written data is still valid",
2151 .category = FIO_OPT_C_GENERAL,
2152 .group = FIO_OPT_G_RUNTIME,
2153 },
721938ae
JA		 2154 {
2155 .name = "ramp_time",
e8b0e958 2156 .lname = "Ramp time",
721938ae
JA		 2157 .type = FIO_OPT_STR_VAL_TIME,
2158 .off1 = td_var_offset(ramp_time),
2159 .help = "Ramp up time before measuring performance",
0de5b26f 2160 .is_seconds = 1,
e8b0e958 2161 .category = FIO_OPT_C_GENERAL,
a1f6afec 2162 .group = FIO_OPT_G_RUNTIME,
721938ae 2163 },
c223da83
JA		 2164 {
2165 .name = "clocksource",
e8b0e958 2166 .lname = "Clock source",
c223da83
JA		 2167 .type = FIO_OPT_STR,
2168 .cb = fio_clock_source_cb,
2169 .off1 = td_var_offset(clocksource),
2170 .help = "What type of timing source to use",
e8b0e958 2171 .category = FIO_OPT_C_GENERAL,
10860056 2172 .group = FIO_OPT_G_CLOCK,
c223da83 2173 .posval = {
67bf9823 2174#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2175 { .ival = "gettimeofday",
2176 .oval = CS_GTOD,
2177 .help = "Use gettimeofday(2) for timing",
2178 },
67bf9823
JA		 2179#endif
2180#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2181 { .ival = "clock_gettime",
2182 .oval = CS_CGETTIME,
2183 .help = "Use clock_gettime(2) for timing",
2184 },
67bf9823 2185#endif
c223da83
JA		 2186#ifdef ARCH_HAVE_CPU_CLOCK
2187 { .ival = "cpu",
2188 .oval = CS_CPUCLOCK,
2189 .help = "Use CPU private clock",
2190 },
2191#endif
2192 },
2193 },
214e1eca
JA		 2194 {
2195 .name = "mem",
d3aad8f2 2196 .alias = "iomem",
e8b0e958 2197 .lname = "I/O Memory",
214e1eca
JA		 2198 .type = FIO_OPT_STR,
2199 .cb = str_mem_cb,
2200 .off1 = td_var_offset(mem_type),
2201 .help = "Backing type for IO buffers",
2202 .def = "malloc",
e8b0e958
JA		 2203 .category = FIO_OPT_C_IO,
2204 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2205 .posval = {
2206 { .ival = "malloc",
2207 .oval = MEM_MALLOC,
2208 .help = "Use malloc(3) for IO buffers",
2209 },
37c8cdfe
JA		 2210 { .ival = "shm",
2211 .oval = MEM_SHM,
2212 .help = "Use shared memory segments for IO buffers",
2213 },
214e1eca
JA		 2214#ifdef FIO_HAVE_HUGETLB
2215 { .ival = "shmhuge",
2216 .oval = MEM_SHMHUGE,
2217 .help = "Like shm, but use huge pages",
2218 },
b370e46a 2219#endif
37c8cdfe
JA		 2220 { .ival = "mmap",
2221 .oval = MEM_MMAP,
2222 .help = "Use mmap(2) (file or anon) for IO buffers",
2223 },
214e1eca
JA		 2224#ifdef FIO_HAVE_HUGETLB
2225 { .ival = "mmaphuge",
2226 .oval = MEM_MMAPHUGE,
2227 .help = "Like mmap, but use huge pages",
2228 },
2229#endif
2230 },
2231 },
d529ee19
JA		 2232 {
2233 .name = "iomem_align",
2234 .alias = "mem_align",
e8b0e958 2235 .lname = "I/O memory alignment",
d529ee19
JA		 2236 .type = FIO_OPT_INT,
2237 .off1 = td_var_offset(mem_align),
2238 .minval = 0,
2239 .help = "IO memory buffer offset alignment",
2240 .def = "0",
2241 .parent = "iomem",
d71c154c 2242 .hide = 1,
e8b0e958
JA		 2243 .category = FIO_OPT_C_IO,
2244 .group = FIO_OPT_G_INVALID,
d529ee19 2245 },
214e1eca
JA		 2246 {
2247 .name = "verify",
e8b0e958 2248 .lname = "Verify",
214e1eca
JA		 2249 .type = FIO_OPT_STR,
2250 .off1 = td_var_offset(verify),
2251 .help = "Verify data written",
2252 .def = "0",
e8b0e958 2253 .category = FIO_OPT_C_IO,
3ceb458f 2254 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2255 .posval = {
2256 { .ival = "0",
2257 .oval = VERIFY_NONE,
2258 .help = "Don't do IO verification",
2259 },
fcca4b58
JA		 2260 { .ival = "md5",
2261 .oval = VERIFY_MD5,
2262 .help = "Use md5 checksums for verification",
2263 },
d77a7af3
JA		 2264 { .ival = "crc64",
2265 .oval = VERIFY_CRC64,
2266 .help = "Use crc64 checksums for verification",
2267 },
214e1eca
JA		 2268 { .ival = "crc32",
2269 .oval = VERIFY_CRC32,
2270 .help = "Use crc32 checksums for verification",
2271 },
af497e6a 2272 { .ival = "crc32c-intel",
e3aaafc4
JA		 2273 .oval = VERIFY_CRC32C,
2274 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2275 },
bac39e0e
JA		 2276 { .ival = "crc32c",
2277 .oval = VERIFY_CRC32C,
e3aaafc4 2278 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2279 },
969f7ed3
JA		 2280 { .ival = "crc16",
2281 .oval = VERIFY_CRC16,
2282 .help = "Use crc16 checksums for verification",
2283 },
1e154bdb
JA		 2284 { .ival = "crc7",
2285 .oval = VERIFY_CRC7,
2286 .help = "Use crc7 checksums for verification",
2287 },
7c353ceb
JA		 2288 { .ival = "sha1",
2289 .oval = VERIFY_SHA1,
2290 .help = "Use sha1 checksums for verification",
2291 },
cd14cc10
JA		 2292 { .ival = "sha256",
2293 .oval = VERIFY_SHA256,
2294 .help = "Use sha256 checksums for verification",
2295 },
2296 { .ival = "sha512",
2297 .oval = VERIFY_SHA512,
2298 .help = "Use sha512 checksums for verification",
2299 },
844ea602
JA		 2300 { .ival = "xxhash",
2301 .oval = VERIFY_XXHASH,
2302 .help = "Use xxhash checksums for verification",
2303 },
7437ee87
SL		 2304 { .ival = "meta",
2305 .oval = VERIFY_META,
2306 .help = "Use io information",
2307 },
36690c9b
JA		 2308 {
2309 .ival = "null",
2310 .oval = VERIFY_NULL,
2311 .help = "Pretend to verify",
2312 },
214e1eca
JA		 2313 },
2314 },
005c565a
JA		 2315 {
2316 .name = "do_verify",
e8b0e958 2317 .lname = "Perform verify step",
68e1f29a 2318 .type = FIO_OPT_BOOL,
005c565a
JA		 2319 .off1 = td_var_offset(do_verify),
2320 .help = "Run verification stage after write",
2321 .def = "1",
2322 .parent = "verify",
d71c154c 2323 .hide = 1,
e8b0e958
JA		 2324 .category = FIO_OPT_C_IO,
2325 .group = FIO_OPT_G_VERIFY,
005c565a 2326 },
160b966d
JA		 2327 {
2328 .name = "verifysort",
e8b0e958 2329 .lname = "Verify sort",
160b966d
JA		 2330 .type = FIO_OPT_BOOL,
2331 .off1 = td_var_offset(verifysort),
2332 .help = "Sort written verify blocks for read back",
2333 .def = "1",
c83f2df1 2334 .parent = "verify",
d71c154c 2335 .hide = 1,
e8b0e958
JA		 2336 .category = FIO_OPT_C_IO,
2337 .group = FIO_OPT_G_VERIFY,
160b966d 2338 },
1ae83d45
JA		 2339 {
2340 .name = "verifysort_nr",
2341 .type = FIO_OPT_INT,
2342 .off1 = td_var_offset(verifysort_nr),
2343 .help = "Pre-load and sort verify blocks for a read workload",
2344 .minval = 0,
2345 .maxval = 131072,
2346 .def = "1024",
2347 .parent = "verify",
836fcc0f
JA		 2348 .category = FIO_OPT_C_IO,
2349 .group = FIO_OPT_G_VERIFY,
1ae83d45 2350 },
3f9f4e26 2351 {
a59e170d 2352 .name = "verify_interval",
e8b0e958 2353 .lname = "Verify interval",
e01b22b8 2354 .type = FIO_OPT_INT,
a59e170d 2355 .off1 = td_var_offset(verify_interval),
819a9680 2356 .minval = 2 * sizeof(struct verify_header),
a59e170d 2357 .help = "Store verify buffer header every N bytes",
afdf9352 2358 .parent = "verify",
d71c154c 2359 .hide = 1,
20eb06bd 2360 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2361 .category = FIO_OPT_C_IO,
2362 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2363 },
546a9142 2364 {
a59e170d 2365 .name = "verify_offset",
e8b0e958 2366 .lname = "Verify offset",
e01b22b8 2367 .type = FIO_OPT_INT,
a59e170d 2368 .help = "Offset verify header location by N bytes",
203160d5
JA		 2369 .off1 = td_var_offset(verify_offset),
2370 .minval = sizeof(struct verify_header),
afdf9352 2371 .parent = "verify",
d71c154c 2372 .hide = 1,
e8b0e958
JA		 2373 .category = FIO_OPT_C_IO,
2374 .group = FIO_OPT_G_VERIFY,
546a9142 2375 },
e28218f3
SL		 2376 {
2377 .name = "verify_pattern",
e8b0e958 2378 .lname = "Verify pattern",
0e92f873 2379 .type = FIO_OPT_STR,
e28218f3
SL		 2380 .cb = str_verify_pattern_cb,
2381 .help = "Fill pattern for IO buffers",
2382 .parent = "verify",
d71c154c 2383 .hide = 1,
e8b0e958
JA		 2384 .category = FIO_OPT_C_IO,
2385 .group = FIO_OPT_G_VERIFY,
e28218f3 2386 },
a12a3b4d
JA		 2387 {
2388 .name = "verify_fatal",
e8b0e958 2389 .lname = "Verify fatal",
68e1f29a 2390 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2391 .off1 = td_var_offset(verify_fatal),
2392 .def = "0",
2393 .help = "Exit on a single verify failure, don't continue",
2394 .parent = "verify",
d71c154c 2395 .hide = 1,
e8b0e958
JA		 2396 .category = FIO_OPT_C_IO,
2397 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2398 },
b463e936
JA		 2399 {
2400 .name = "verify_dump",
e8b0e958 2401 .lname = "Verify dump",
b463e936
JA		 2402 .type = FIO_OPT_BOOL,
2403 .off1 = td_var_offset(verify_dump),
ef71e317 2404 .def = "0",
b463e936
JA		 2405 .help = "Dump contents of good and bad blocks on failure",
2406 .parent = "verify",
d71c154c 2407 .hide = 1,
e8b0e958
JA		 2408 .category = FIO_OPT_C_IO,
2409 .group = FIO_OPT_G_VERIFY,
b463e936 2410 },
e8462bd8
JA		 2411 {
2412 .name = "verify_async",
e8b0e958 2413 .lname = "Verify asynchronously",
e8462bd8
JA		 2414 .type = FIO_OPT_INT,
2415 .off1 = td_var_offset(verify_async),
2416 .def = "0",
2417 .help = "Number of async verifier threads to use",
2418 .parent = "verify",
d71c154c 2419 .hide = 1,
e8b0e958
JA		 2420 .category = FIO_OPT_C_IO,
2421 .group = FIO_OPT_G_VERIFY,
e8462bd8 2422 },
9e144189
JA		 2423 {
2424 .name = "verify_backlog",
e8b0e958 2425 .lname = "Verify backlog",
9e144189
JA		 2426 .type = FIO_OPT_STR_VAL,
2427 .off1 = td_var_offset(verify_backlog),
2428 .help = "Verify after this number of blocks are written",
2429 .parent = "verify",
d71c154c 2430 .hide = 1,
e8b0e958
JA		 2431 .category = FIO_OPT_C_IO,
2432 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2433 },
2434 {
2435 .name = "verify_backlog_batch",
e8b0e958 2436 .lname = "Verify backlog batch",
9e144189
JA		 2437 .type = FIO_OPT_INT,
2438 .off1 = td_var_offset(verify_batch),
2439 .help = "Verify this number of IO blocks",
0d29de83 2440 .parent = "verify",
d71c154c 2441 .hide = 1,
e8b0e958
JA		 2442 .category = FIO_OPT_C_IO,
2443 .group = FIO_OPT_G_VERIFY,
9e144189 2444 },
e8462bd8
JA		 2445#ifdef FIO_HAVE_CPU_AFFINITY
2446 {
2447 .name = "verify_async_cpus",
e8b0e958 2448 .lname = "Async verify CPUs",
e8462bd8
JA		 2449 .type = FIO_OPT_STR,
2450 .cb = str_verify_cpus_allowed_cb,
2451 .help = "Set CPUs allowed for async verify threads",
2452 .parent = "verify_async",
d71c154c 2453 .hide = 1,
e8b0e958
JA		 2454 .category = FIO_OPT_C_IO,
2455 .group = FIO_OPT_G_VERIFY,
e8462bd8 2456 },
0d29de83 2457#endif
51aa2da8
JA		 2458 {
2459 .name = "experimental_verify",
2460 .off1 = td_var_offset(experimental_verify),
2461 .type = FIO_OPT_BOOL,
b31eaac9 2462 .help = "Enable experimental verification",
836fcc0f
JA		 2463 .category = FIO_OPT_C_IO,
2464 .group = FIO_OPT_G_VERIFY,
51aa2da8 2465 },
0d29de83
JA		 2466#ifdef FIO_HAVE_TRIM
2467 {
2468 .name = "trim_percentage",
e8b0e958 2469 .lname = "Trim percentage",
0d29de83 2470 .type = FIO_OPT_INT,
203160d5 2471 .off1 = td_var_offset(trim_percentage),
20eb06bd 2472 .minval = 0,
0d29de83
JA		 2473 .maxval = 100,
2474 .help = "Number of verify blocks to discard/trim",
2475 .parent = "verify",
2476 .def = "0",
20eb06bd 2477 .interval = 1,
d71c154c 2478 .hide = 1,
e8b0e958
JA		 2479 .category = FIO_OPT_C_IO,
2480 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2481 },
2482 {
2483 .name = "trim_verify_zero",
e8b0e958 2484 .lname = "Verify trim zero",
20eb06bd 2485 .type = FIO_OPT_BOOL,
0d29de83
JA		 2486 .help = "Verify that trim/discarded blocks are returned as zeroes",
2487 .off1 = td_var_offset(trim_zero),
2488 .parent = "trim_percentage",
d71c154c 2489 .hide = 1,
0d29de83 2490 .def = "1",
e8b0e958
JA		 2491 .category = FIO_OPT_C_IO,
2492 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2493 },
2494 {
2495 .name = "trim_backlog",
e8b0e958 2496 .lname = "Trim backlog",
0d29de83
JA		 2497 .type = FIO_OPT_STR_VAL,
2498 .off1 = td_var_offset(trim_backlog),
2499 .help = "Trim after this number of blocks are written",
2500 .parent = "trim_percentage",
d71c154c 2501 .hide = 1,
20eb06bd 2502 .interval = 1,
e8b0e958
JA		 2503 .category = FIO_OPT_C_IO,
2504 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2505 },
2506 {
2507 .name = "trim_backlog_batch",
e8b0e958 2508 .lname = "Trim backlog batch",
0d29de83
JA		 2509 .type = FIO_OPT_INT,
2510 .off1 = td_var_offset(trim_batch),
2511 .help = "Trim this number of IO blocks",
2512 .parent = "trim_percentage",
d71c154c 2513 .hide = 1,
20eb06bd 2514 .interval = 1,
e8b0e958
JA		 2515 .category = FIO_OPT_C_IO,
2516 .group = FIO_OPT_G_TRIM,
0d29de83 2517 },
e8462bd8 2518#endif
214e1eca
JA		 2519 {
2520 .name = "write_iolog",
e8b0e958 2521 .lname = "Write I/O log",
214e1eca
JA		 2522 .type = FIO_OPT_STR_STORE,
2523 .off1 = td_var_offset(write_iolog_file),
2524 .help = "Store IO pattern to file",
e8b0e958
JA		 2525 .category = FIO_OPT_C_IO,
2526 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2527 },
2528 {
2529 .name = "read_iolog",
e8b0e958 2530 .lname = "Read I/O log",
214e1eca
JA		 2531 .type = FIO_OPT_STR_STORE,
2532 .off1 = td_var_offset(read_iolog_file),
2533 .help = "Playback IO pattern from file",
e8b0e958
JA		 2534 .category = FIO_OPT_C_IO,
2535 .group = FIO_OPT_G_IOLOG,
214e1eca 2536 },
64bbb865
DN		 2537 {
2538 .name = "replay_no_stall",
e8b0e958 2539 .lname = "Don't stall on replay",
20eb06bd 2540 .type = FIO_OPT_BOOL,
64bbb865
DN		 2541 .off1 = td_var_offset(no_stall),
2542 .def = "0",
87e7a972 2543 .parent = "read_iolog",
d71c154c 2544 .hide = 1,
64bbb865 2545 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2546 .category = FIO_OPT_C_IO,
2547 .group = FIO_OPT_G_IOLOG,
64bbb865 2548 },
d1c46c04
DN		 2549 {
2550 .name = "replay_redirect",
e8b0e958 2551 .lname = "Redirect device for replay",
d1c46c04
DN		 2552 .type = FIO_OPT_STR_STORE,
2553 .off1 = td_var_offset(replay_redirect),
2554 .parent = "read_iolog",
d71c154c 2555 .hide = 1,
d1c46c04 2556 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2557 .category = FIO_OPT_C_IO,
2558 .group = FIO_OPT_G_IOLOG,
d1c46c04 2559 },
214e1eca
JA		 2560 {
2561 .name = "exec_prerun",
e8b0e958 2562 .lname = "Pre-execute runnable",
214e1eca
JA		 2563 .type = FIO_OPT_STR_STORE,
2564 .off1 = td_var_offset(exec_prerun),
2565 .help = "Execute this file prior to running job",
e8b0e958
JA		 2566 .category = FIO_OPT_C_GENERAL,
2567 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2568 },
2569 {
2570 .name = "exec_postrun",
e8b0e958 2571 .lname = "Post-execute runnable",
214e1eca
JA		 2572 .type = FIO_OPT_STR_STORE,
2573 .off1 = td_var_offset(exec_postrun),
2574 .help = "Execute this file after running job",
e8b0e958
JA		 2575 .category = FIO_OPT_C_GENERAL,
2576 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2577 },
2578#ifdef FIO_HAVE_IOSCHED_SWITCH
2579 {
2580 .name = "ioscheduler",
e8b0e958 2581 .lname = "I/O scheduler",
214e1eca
JA		 2582 .type = FIO_OPT_STR_STORE,
2583 .off1 = td_var_offset(ioscheduler),
2584 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2585 .category = FIO_OPT_C_FILE,
2586 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2587 },
2588#endif
2589 {
2590 .name = "zonesize",
e8b0e958 2591 .lname = "Zone size",
214e1eca
JA		 2592 .type = FIO_OPT_STR_VAL,
2593 .off1 = td_var_offset(zone_size),
ed335855
SN		 2594 .help = "Amount of data to read per zone",
2595 .def = "0",
20eb06bd 2596 .interval = 1024 * 1024,
e8b0e958
JA		 2597 .category = FIO_OPT_C_IO,
2598 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2599 },
2600 {
2601 .name = "zonerange",
e8b0e958 2602 .lname = "Zone range",
ed335855
SN		 2603 .type = FIO_OPT_STR_VAL,
2604 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2605 .help = "Give size of an IO zone",
2606 .def = "0",
20eb06bd 2607 .interval = 1024 * 1024,
e8b0e958
JA		 2608 .category = FIO_OPT_C_IO,
2609 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2610 },
2611 {
2612 .name = "zoneskip",
e8b0e958 2613 .lname = "Zone skip",
214e1eca
JA		 2614 .type = FIO_OPT_STR_VAL,
2615 .off1 = td_var_offset(zone_skip),
2616 .help = "Space between IO zones",
2617 .def = "0",
20eb06bd 2618 .interval = 1024 * 1024,
e8b0e958
JA		 2619 .category = FIO_OPT_C_IO,
2620 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2621 },
2622 {
2623 .name = "lockmem",
e8b0e958 2624 .lname = "Lock memory",
214e1eca 2625 .type = FIO_OPT_STR_VAL,
1b79a070 2626 .off1 = td_var_offset(lockmem),
81c6b6cd 2627 .help = "Lock down this amount of memory (per worker)",
214e1eca 2628 .def = "0",
20eb06bd 2629 .interval = 1024 * 1024,
e8b0e958
JA		 2630 .category = FIO_OPT_C_GENERAL,
2631 .group = FIO_OPT_G_INVALID,
214e1eca 2632 },
214e1eca
JA		 2633 {
2634 .name = "rwmixread",
e8b0e958 2635 .lname = "Read/write mix read",
214e1eca 2636 .type = FIO_OPT_INT,
cb499fc4 2637 .cb = str_rwmix_read_cb,
214e1eca
JA		 2638 .maxval = 100,
2639 .help = "Percentage of mixed workload that is reads",
2640 .def = "50",
20eb06bd 2641 .interval = 5,
90265353 2642 .inverse = "rwmixwrite",
e8b0e958
JA		 2643 .category = FIO_OPT_C_IO,
2644 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2645 },
2646 {
2647 .name = "rwmixwrite",
e8b0e958 2648 .lname = "Read/write mix write",
214e1eca 2649 .type = FIO_OPT_INT,
cb499fc4 2650 .cb = str_rwmix_write_cb,
214e1eca
JA		 2651 .maxval = 100,
2652 .help = "Percentage of mixed workload that is writes",
2653 .def = "50",
20eb06bd 2654 .interval = 5,
90265353 2655 .inverse = "rwmixread",
e8b0e958
JA		 2656 .category = FIO_OPT_C_IO,
2657 .group = FIO_OPT_G_RWMIX,
214e1eca 2658 },
afdf9352
JA		 2659 {
2660 .name = "rwmixcycle",
e8b0e958 2661 .lname = "Read/write mix cycle",
15ca150e 2662 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2663 .category = FIO_OPT_C_IO,
2664 .group = FIO_OPT_G_RWMIX,
afdf9352 2665 },
214e1eca
JA		 2666 {
2667 .name = "nice",
e8b0e958 2668 .lname = "Nice",
214e1eca
JA		 2669 .type = FIO_OPT_INT,
2670 .off1 = td_var_offset(nice),
2671 .help = "Set job CPU nice value",
2672 .minval = -19,
2673 .maxval = 20,
2674 .def = "0",
20eb06bd 2675 .interval = 1,
e8b0e958 2676 .category = FIO_OPT_C_GENERAL,
10860056 2677 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2678 },
2679#ifdef FIO_HAVE_IOPRIO
2680 {
2681 .name = "prio",
e8b0e958 2682 .lname = "I/O nice priority",
214e1eca 2683 .type = FIO_OPT_INT,
28727df7 2684 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2685 .help = "Set job IO priority value",
2686 .minval = 0,
2687 .maxval = 7,
20eb06bd 2688 .interval = 1,
e8b0e958 2689 .category = FIO_OPT_C_GENERAL,
10860056 2690 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2691 },
2692 {
2693 .name = "prioclass",
e8b0e958 2694 .lname = "I/O nice priority class",
214e1eca 2695 .type = FIO_OPT_INT,
28727df7 2696 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2697 .help = "Set job IO priority class",
2698 .minval = 0,
2699 .maxval = 3,
20eb06bd 2700 .interval = 1,
e8b0e958 2701 .category = FIO_OPT_C_GENERAL,
10860056 2702 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2703 },
2704#endif
2705 {
2706 .name = "thinktime",
e8b0e958 2707 .lname = "Thinktime",
214e1eca
JA		 2708 .type = FIO_OPT_INT,
2709 .off1 = td_var_offset(thinktime),
2710 .help = "Idle time between IO buffers (usec)",
2711 .def = "0",
e8b0e958 2712 .category = FIO_OPT_C_IO,
3ceb458f 2713 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2714 },
2715 {
2716 .name = "thinktime_spin",
e8b0e958 2717 .lname = "Thinktime spin",
214e1eca
JA		 2718 .type = FIO_OPT_INT,
2719 .off1 = td_var_offset(thinktime_spin),
2720 .help = "Start think time by spinning this amount (usec)",
2721 .def = "0",
afdf9352 2722 .parent = "thinktime",
d71c154c 2723 .hide = 1,
e8b0e958 2724 .category = FIO_OPT_C_IO,
3ceb458f 2725 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2726 },
2727 {
2728 .name = "thinktime_blocks",
e8b0e958 2729 .lname = "Thinktime blocks",
214e1eca
JA		 2730 .type = FIO_OPT_INT,
2731 .off1 = td_var_offset(thinktime_blocks),
2732 .help = "IO buffer period between 'thinktime'",
2733 .def = "1",
afdf9352 2734 .parent = "thinktime",
d71c154c 2735 .hide = 1,
e8b0e958 2736 .category = FIO_OPT_C_IO,
3ceb458f 2737 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2738 },
2739 {
2740 .name = "rate",
e8b0e958 2741 .lname = "I/O rate",
e01b22b8 2742 .type = FIO_OPT_INT,
6eaf09d6
SL		 2743 .off1 = td_var_offset(rate[DDIR_READ]),
2744 .off2 = td_var_offset(rate[DDIR_WRITE]),
2745 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2746 .help = "Set bandwidth rate",
e8b0e958
JA		 2747 .category = FIO_OPT_C_IO,
2748 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2749 },
2750 {
2751 .name = "ratemin",
e8b0e958 2752 .lname = "I/O min rate",
e01b22b8 2753 .type = FIO_OPT_INT,
6eaf09d6
SL		 2754 .off1 = td_var_offset(ratemin[DDIR_READ]),
2755 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2756 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2757 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2758 .parent = "rate",
d71c154c 2759 .hide = 1,
e8b0e958
JA		 2760 .category = FIO_OPT_C_IO,
2761 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2762 },
2763 {
2764 .name = "rate_iops",
e8b0e958 2765 .lname = "I/O rate IOPS",
e01b22b8 2766 .type = FIO_OPT_INT,
6eaf09d6
SL		 2767 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2768 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2769 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2770 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2771 .hide = 1,
e8b0e958
JA		 2772 .category = FIO_OPT_C_IO,
2773 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2774 },
2775 {
2776 .name = "rate_iops_min",
e8b0e958 2777 .lname = "I/O min rate IOPS",
e01b22b8 2778 .type = FIO_OPT_INT,
6eaf09d6
SL		 2779 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2780 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2781 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2782 .help = "Job must meet this rate or it will be shut down",
afdf9352 2783 .parent = "rate_iops",
d71c154c 2784 .hide = 1,
e8b0e958
JA		 2785 .category = FIO_OPT_C_IO,
2786 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2787 },
2788 {
2789 .name = "ratecycle",
e8b0e958 2790 .lname = "I/O rate cycle",
214e1eca
JA		 2791 .type = FIO_OPT_INT,
2792 .off1 = td_var_offset(ratecycle),
2793 .help = "Window average for rate limits (msec)",
2794 .def = "1000",
afdf9352 2795 .parent = "rate",
d71c154c 2796 .hide = 1,
e8b0e958
JA		 2797 .category = FIO_OPT_C_IO,
2798 .group = FIO_OPT_G_RATE,
214e1eca 2799 },
15501535
JA		 2800 {
2801 .name = "max_latency",
2802 .type = FIO_OPT_INT,
2803 .off1 = td_var_offset(max_latency),
2804 .help = "Maximum tolerated IO latency (usec)",
1e5324e7 2805 .category = FIO_OPT_C_IO,
3e260a46
JA		 2806 .group = FIO_OPT_G_LATPROF,
2807 },
2808 {
2809 .name = "latency_target",
2810 .lname = "Latency Target (usec)",
2811 .type = FIO_OPT_STR_VAL_TIME,
2812 .off1 = td_var_offset(latency_target),
2813 .help = "Ramp to max queue depth supporting this latency",
2814 .category = FIO_OPT_C_IO,
2815 .group = FIO_OPT_G_LATPROF,
2816 },
2817 {
2818 .name = "latency_window",
2819 .lname = "Latency Window (usec)",
2820 .type = FIO_OPT_STR_VAL_TIME,
2821 .off1 = td_var_offset(latency_window),
2822 .help = "Time to sustain latency_target",
2823 .category = FIO_OPT_C_IO,
2824 .group = FIO_OPT_G_LATPROF,
2825 },
2826 {
2827 .name = "latency_percentile",
2828 .lname = "Latency Percentile",
2829 .type = FIO_OPT_FLOAT_LIST,
2830 .off1 = td_var_offset(latency_percentile),
2831 .help = "Percentile of IOs must be below latency_target",
2832 .def = "100",
2833 .maxlen = 1,
2834 .minfp = 0.0,
2835 .maxfp = 100.0,
2836 .category = FIO_OPT_C_IO,
2837 .group = FIO_OPT_G_LATPROF,
15501535 2838 },
214e1eca
JA		 2839 {
2840 .name = "invalidate",
e8b0e958 2841 .lname = "Cache invalidate",
214e1eca
JA		 2842 .type = FIO_OPT_BOOL,
2843 .off1 = td_var_offset(invalidate_cache),
2844 .help = "Invalidate buffer/page cache prior to running job",
2845 .def = "1",
e8b0e958 2846 .category = FIO_OPT_C_IO,
3ceb458f 2847 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2848 },
2849 {
2850 .name = "sync",
e8b0e958 2851 .lname = "Synchronous I/O",
214e1eca
JA		 2852 .type = FIO_OPT_BOOL,
2853 .off1 = td_var_offset(sync_io),
2854 .help = "Use O_SYNC for buffered writes",
2855 .def = "0",
67a1000f 2856 .parent = "buffered",
d71c154c 2857 .hide = 1,
e8b0e958 2858 .category = FIO_OPT_C_IO,
3ceb458f 2859 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2860 },
214e1eca
JA		 2861 {
2862 .name = "create_serialize",
e8b0e958 2863 .lname = "Create serialize",
214e1eca
JA		 2864 .type = FIO_OPT_BOOL,
2865 .off1 = td_var_offset(create_serialize),
2866 .help = "Serialize creating of job files",
2867 .def = "1",
e8b0e958
JA		 2868 .category = FIO_OPT_C_FILE,
2869 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2870 },
2871 {
2872 .name = "create_fsync",
e8b0e958 2873 .lname = "Create fsync",
214e1eca
JA		 2874 .type = FIO_OPT_BOOL,
2875 .off1 = td_var_offset(create_fsync),
03e20d68 2876 .help = "fsync file after creation",
214e1eca 2877 .def = "1",
e8b0e958
JA		 2878 .category = FIO_OPT_C_FILE,
2879 .group = FIO_OPT_G_INVALID,
214e1eca 2880 },
814452bd
JA		 2881 {
2882 .name = "create_on_open",
e8b0e958 2883 .lname = "Create on open",
814452bd
JA		 2884 .type = FIO_OPT_BOOL,
2885 .off1 = td_var_offset(create_on_open),
2886 .help = "Create files when they are opened for IO",
2887 .def = "0",
e8b0e958
JA		 2888 .category = FIO_OPT_C_FILE,
2889 .group = FIO_OPT_G_INVALID,
814452bd 2890 },
25460cf6
JA		 2891 {
2892 .name = "create_only",
2893 .type = FIO_OPT_BOOL,
2894 .off1 = td_var_offset(create_only),
2895 .help = "Only perform file creation phase",
d17fda71 2896 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2897 .def = "0",
2898 },
0b9d69ec 2899 {
afad68f7 2900 .name = "pre_read",
e8b0e958 2901 .lname = "Pre-read files",
afad68f7
ZY		 2902 .type = FIO_OPT_BOOL,
2903 .off1 = td_var_offset(pre_read),
03e20d68 2904 .help = "Pre-read files before starting official testing",
afad68f7 2905 .def = "0",
e8b0e958
JA		 2906 .category = FIO_OPT_C_FILE,
2907 .group = FIO_OPT_G_INVALID,
afad68f7 2908 },
214e1eca
JA		 2909#ifdef FIO_HAVE_CPU_AFFINITY
2910 {
2911 .name = "cpumask",
e8b0e958 2912 .lname = "CPU mask",
214e1eca
JA		 2913 .type = FIO_OPT_INT,
2914 .cb = str_cpumask_cb,
2915 .help = "CPU affinity mask",
e8b0e958 2916 .category = FIO_OPT_C_GENERAL,
10860056 2917 .group = FIO_OPT_G_CRED,
214e1eca 2918 },
d2e268b0
JA		 2919 {
2920 .name = "cpus_allowed",
e8b0e958 2921 .lname = "CPUs allowed",
d2e268b0
JA		 2922 .type = FIO_OPT_STR,
2923 .cb = str_cpus_allowed_cb,
2924 .help = "Set CPUs allowed",
e8b0e958 2925 .category = FIO_OPT_C_GENERAL,
10860056 2926 .group = FIO_OPT_G_CRED,
d2e268b0 2927 },
c2acfbac
JA		 2928 {
2929 .name = "cpus_allowed_policy",
2930 .lname = "CPUs allowed distribution policy",
2931 .type = FIO_OPT_STR,
2932 .off1 = td_var_offset(cpus_allowed_policy),
2933 .help = "Distribution policy for cpus_allowed",
2934 .parent = "cpus_allowed",
2935 .prio = 1,
2936 .posval = {
2937 { .ival = "shared",
2938 .oval = FIO_CPUS_SHARED,
2939 .help = "Mask shared between threads",
2940 },
2941 { .ival = "split",
2942 .oval = FIO_CPUS_SPLIT,
2943 .help = "Mask split between threads",
2944 },
2945 },
2946 .category = FIO_OPT_C_GENERAL,
2947 .group = FIO_OPT_G_CRED,
2948 },
d0b937ed 2949#endif
67bf9823 2950#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 2951 {
2952 .name = "numa_cpu_nodes",
2953 .type = FIO_OPT_STR,
2954 .cb = str_numa_cpunodes_cb,
2955 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 2956 .category = FIO_OPT_C_GENERAL,
2957 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 2958 },
2959 {
2960 .name = "numa_mem_policy",
2961 .type = FIO_OPT_STR,
2962 .cb = str_numa_mpol_cb,
2963 .help = "NUMA memory policy setup",
6be54b2d
JA		 2964 .category = FIO_OPT_C_GENERAL,
2965 .group = FIO_OPT_G_INVALID,
d0b937ed 2966 },
214e1eca
JA		 2967#endif
2968 {
2969 .name = "end_fsync",
e8b0e958 2970 .lname = "End fsync",
214e1eca
JA		 2971 .type = FIO_OPT_BOOL,
2972 .off1 = td_var_offset(end_fsync),
2973 .help = "Include fsync at the end of job",
2974 .def = "0",
e8b0e958
JA		 2975 .category = FIO_OPT_C_FILE,
2976 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2977 },
2978 {
2979 .name = "fsync_on_close",
e8b0e958 2980 .lname = "Fsync on close",
214e1eca
JA		 2981 .type = FIO_OPT_BOOL,
2982 .off1 = td_var_offset(fsync_on_close),
2983 .help = "fsync files on close",
2984 .def = "0",
e8b0e958
JA		 2985 .category = FIO_OPT_C_FILE,
2986 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2987 },
2988 {
2989 .name = "unlink",
e8b0e958 2990 .lname = "Unlink file",
214e1eca
JA		 2991 .type = FIO_OPT_BOOL,
2992 .off1 = td_var_offset(unlink),
2993 .help = "Unlink created files after job has completed",
2994 .def = "0",
e8b0e958
JA		 2995 .category = FIO_OPT_C_FILE,
2996 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2997 },
2998 {
2999 .name = "exitall",
e8b0e958 3000 .lname = "Exit-all on terminate",
214e1eca
JA		 3001 .type = FIO_OPT_STR_SET,
3002 .cb = str_exitall_cb,
3003 .help = "Terminate all jobs when one exits",
e8b0e958 3004 .category = FIO_OPT_C_GENERAL,
a1f6afec 3005 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3006 },
3007 {
3008 .name = "stonewall",
e8b0e958 3009 .lname = "Wait for previous",
d392365e 3010 .alias = "wait_for_previous",
214e1eca
JA		 3011 .type = FIO_OPT_STR_SET,
3012 .off1 = td_var_offset(stonewall),
3013 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3014 .category = FIO_OPT_C_GENERAL,
a1f6afec 3015 .group = FIO_OPT_G_PROCESS,
214e1eca 3016 },
b3d62a75
JA		 3017 {
3018 .name = "new_group",
e8b0e958 3019 .lname = "New group",
b3d62a75
JA		 3020 .type = FIO_OPT_STR_SET,
3021 .off1 = td_var_offset(new_group),
3022 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3023 .category = FIO_OPT_C_GENERAL,
a1f6afec 3024 .group = FIO_OPT_G_PROCESS,
b3d62a75 3025 },
214e1eca
JA		 3026 {
3027 .name = "thread",
e8b0e958 3028 .lname = "Thread",
214e1eca
JA		 3029 .type = FIO_OPT_STR_SET,
3030 .off1 = td_var_offset(use_thread),
20eb06bd 3031 .help = "Use threads instead of processes",
e8b0e958 3032 .category = FIO_OPT_C_GENERAL,
a1f6afec 3033 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3034 },
3035 {
3036 .name = "write_bw_log",
e8b0e958 3037 .lname = "Write bandwidth log",
203160d5
JA		 3038 .type = FIO_OPT_STR_STORE,
3039 .off1 = td_var_offset(bw_log_file),
214e1eca 3040 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3041 .category = FIO_OPT_C_LOG,
3042 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3043 },
3044 {
3045 .name = "write_lat_log",
e8b0e958 3046 .lname = "Write latency log",
203160d5
JA		 3047 .type = FIO_OPT_STR_STORE,
3048 .off1 = td_var_offset(lat_log_file),
214e1eca 3049 .help = "Write log of latency during run",
e8b0e958
JA		 3050 .category = FIO_OPT_C_LOG,
3051 .group = FIO_OPT_G_INVALID,
214e1eca 3052 },
c8eeb9df
JA		 3053 {
3054 .name = "write_iops_log",
e8b0e958 3055 .lname = "Write IOPS log",
577c83bd 3056 .type = FIO_OPT_STR_STORE,
203160d5 3057 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3058 .help = "Write log of IOPS during run",
e8b0e958
JA		 3059 .category = FIO_OPT_C_LOG,
3060 .group = FIO_OPT_G_INVALID,
c8eeb9df 3061 },
b8bc8cba
JA		 3062 {
3063 .name = "log_avg_msec",
e8b0e958 3064 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3065 .type = FIO_OPT_INT,
3066 .off1 = td_var_offset(log_avg_msec),
3067 .help = "Average bw/iops/lat logs over this period of time",
3068 .def = "0",
e8b0e958
JA		 3069 .category = FIO_OPT_C_LOG,
3070 .group = FIO_OPT_G_INVALID,
b8bc8cba 3071 },
c504ee55
JA		 3072 {
3073 .name = "bwavgtime",
3074 .lname = "Bandwidth average time",
3075 .type = FIO_OPT_INT,
3076 .off1 = td_var_offset(bw_avg_time),
3077 .help = "Time window over which to calculate bandwidth"
3078 " (msec)",
3079 .def = "500",
3080 .parent = "write_bw_log",
3081 .hide = 1,
3082 .interval = 100,
3083 .category = FIO_OPT_C_LOG,
3084 .group = FIO_OPT_G_INVALID,
3085 },
3086 {
3087 .name = "iopsavgtime",
3088 .lname = "IOPS average time",
3089 .type = FIO_OPT_INT,
3090 .off1 = td_var_offset(iops_avg_time),
3091 .help = "Time window over which to calculate IOPS (msec)",
3092 .def = "500",
3093 .parent = "write_iops_log",
3094 .hide = 1,
3095 .interval = 100,
3096 .category = FIO_OPT_C_LOG,
3097 .group = FIO_OPT_G_INVALID,
3098 },
214e1eca
JA		 3099 {
3100 .name = "group_reporting",
e8b0e958 3101 .lname = "Group reporting",
d2507043 3102 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3103 .off1 = td_var_offset(group_reporting),
3104 .help = "Do reporting on a per-group basis",
10860056 3105 .category = FIO_OPT_C_STAT,
e8b0e958 3106 .group = FIO_OPT_G_INVALID,
214e1eca 3107 },
e9459e5a
JA		 3108 {
3109 .name = "zero_buffers",
e8b0e958 3110 .lname = "Zero I/O buffers",
e9459e5a
JA		 3111 .type = FIO_OPT_STR_SET,
3112 .off1 = td_var_offset(zero_buffers),
3113 .help = "Init IO buffers to all zeroes",
e8b0e958 3114 .category = FIO_OPT_C_IO,
3ceb458f 3115 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3116 },
5973cafb
JA		 3117 {
3118 .name = "refill_buffers",
e8b0e958 3119 .lname = "Refill I/O buffers",
5973cafb
JA		 3120 .type = FIO_OPT_STR_SET,
3121 .off1 = td_var_offset(refill_buffers),
3122 .help = "Refill IO buffers on every IO submit",
e8b0e958 3123 .category = FIO_OPT_C_IO,
3ceb458f 3124 .group = FIO_OPT_G_IO_BUF,
5973cafb 3125 },
fd68418e
JA		 3126 {
3127 .name = "scramble_buffers",
e8b0e958 3128 .lname = "Scramble I/O buffers",
fd68418e
JA		 3129 .type = FIO_OPT_BOOL,
3130 .off1 = td_var_offset(scramble_buffers),
3131 .help = "Slightly scramble buffers on every IO submit",
3132 .def = "1",
e8b0e958 3133 .category = FIO_OPT_C_IO,
3ceb458f 3134 .group = FIO_OPT_G_IO_BUF,
fd68418e 3135 },
ce35b1ec
JA		 3136 {
3137 .name = "buffer_pattern",
3138 .lname = "Buffer pattern",
3139 .type = FIO_OPT_STR,
3140 .cb = str_buffer_pattern_cb,
3141 .help = "Fill pattern for IO buffers",
3142 .category = FIO_OPT_C_IO,
3143 .group = FIO_OPT_G_IO_BUF,
3144 },
9c42684e
JA		 3145 {
3146 .name = "buffer_compress_percentage",
e8b0e958 3147 .lname = "Buffer compression percentage",
9c42684e 3148 .type = FIO_OPT_INT,
bedc9dc2 3149 .cb = str_buffer_compress_cb,
9c42684e 3150 .maxval = 100,
e7f5de90 3151 .minval = 0,
9c42684e 3152 .help = "How compressible the buffer is (approximately)",
20eb06bd 3153 .interval = 5,
e8b0e958 3154 .category = FIO_OPT_C_IO,
3ceb458f 3155 .group = FIO_OPT_G_IO_BUF,
9c42684e 3156 },
f97a43a1
JA		 3157 {
3158 .name = "buffer_compress_chunk",
e8b0e958 3159 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3160 .type = FIO_OPT_INT,
3161 .off1 = td_var_offset(compress_chunk),
207b18e4 3162 .parent = "buffer_compress_percentage",
d71c154c 3163 .hide = 1,
f97a43a1 3164 .help = "Size of compressible region in buffer",
20eb06bd 3165 .interval = 256,
e8b0e958 3166 .category = FIO_OPT_C_IO,
3ceb458f 3167 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3168 },
83349190
YH		 3169 {
3170 .name = "clat_percentiles",
e8b0e958 3171 .lname = "Completion latency percentiles",
83349190
YH		 3172 .type = FIO_OPT_BOOL,
3173 .off1 = td_var_offset(clat_percentiles),
3174 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3175 .def = "1",
e8b0e958
JA		 3176 .category = FIO_OPT_C_STAT,
3177 .group = FIO_OPT_G_INVALID,
83349190
YH		 3178 },
3179 {
3180 .name = "percentile_list",
e8b0e958 3181 .lname = "Completion latency percentile list",
83349190
YH		 3182 .type = FIO_OPT_FLOAT_LIST,
3183 .off1 = td_var_offset(percentile_list),
435d195a 3184 .off2 = td_var_offset(percentile_precision),
83349190 3185 .help = "Specify a custom list of percentiles to report",
fd112d34 3186 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3187 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3188 .minfp = 0.0,
3189 .maxfp = 100.0,
e8b0e958
JA		 3190 .category = FIO_OPT_C_STAT,
3191 .group = FIO_OPT_G_INVALID,
83349190
YH		 3192 },
3193
0a839f30
JA		 3194#ifdef FIO_HAVE_DISK_UTIL
3195 {
3196 .name = "disk_util",
e8b0e958 3197 .lname = "Disk utilization",
0a839f30
JA		 3198 .type = FIO_OPT_BOOL,
3199 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3200 .help = "Log disk utilization statistics",
0a839f30 3201 .def = "1",
e8b0e958
JA		 3202 .category = FIO_OPT_C_STAT,
3203 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3204 },
3205#endif
993bf48b
JA		 3206 {
3207 .name = "gtod_reduce",
e8b0e958 3208 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3209 .type = FIO_OPT_BOOL,
3210 .help = "Greatly reduce number of gettimeofday() calls",
3211 .cb = str_gtod_reduce_cb,
3212 .def = "0",
a4ed77fe 3213 .hide_on_set = 1,
e8b0e958
JA		 3214 .category = FIO_OPT_C_STAT,
3215 .group = FIO_OPT_G_INVALID,
993bf48b 3216 },
02af0988
JA		 3217 {
3218 .name = "disable_lat",
e8b0e958 3219 .lname = "Disable all latency stats",
02af0988
JA		 3220 .type = FIO_OPT_BOOL,
3221 .off1 = td_var_offset(disable_lat),
3222 .help = "Disable latency numbers",
3223 .parent = "gtod_reduce",
d71c154c 3224 .hide = 1,
02af0988 3225 .def = "0",
e8b0e958
JA		 3226 .category = FIO_OPT_C_STAT,
3227 .group = FIO_OPT_G_INVALID,
02af0988 3228 },
9520ebb9
JA		 3229 {
3230 .name = "disable_clat",
e8b0e958 3231 .lname = "Disable completion latency stats",
9520ebb9
JA		 3232 .type = FIO_OPT_BOOL,
3233 .off1 = td_var_offset(disable_clat),
3234 .help = "Disable completion latency numbers",
993bf48b 3235 .parent = "gtod_reduce",
d71c154c 3236 .hide = 1,
9520ebb9 3237 .def = "0",
e8b0e958
JA		 3238 .category = FIO_OPT_C_STAT,
3239 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3240 },
3241 {
3242 .name = "disable_slat",
e8b0e958 3243 .lname = "Disable submission latency stats",
9520ebb9
JA		 3244 .type = FIO_OPT_BOOL,
3245 .off1 = td_var_offset(disable_slat),
03e20d68 3246 .help = "Disable submission latency numbers",
993bf48b 3247 .parent = "gtod_reduce",
d71c154c 3248 .hide = 1,
9520ebb9 3249 .def = "0",
e8b0e958
JA		 3250 .category = FIO_OPT_C_STAT,
3251 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3252 },
3253 {
3254 .name = "disable_bw_measurement",
e8b0e958 3255 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3256 .type = FIO_OPT_BOOL,
3257 .off1 = td_var_offset(disable_bw),
3258 .help = "Disable bandwidth logging",
993bf48b 3259 .parent = "gtod_reduce",
d71c154c 3260 .hide = 1,
9520ebb9 3261 .def = "0",
e8b0e958
JA		 3262 .category = FIO_OPT_C_STAT,
3263 .group = FIO_OPT_G_INVALID,
9520ebb9 3264 },
be4ecfdf
JA		 3265 {
3266 .name = "gtod_cpu",
e8b0e958 3267 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 3268 .type = FIO_OPT_INT,
3269 .cb = str_gtod_cpu_cb,
03e20d68 3270 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3271 .verify = gtod_cpu_verify,
e8b0e958 3272 .category = FIO_OPT_C_GENERAL,
10860056 3273 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3274 },
771e58be
JA		 3275 {
3276 .name = "unified_rw_reporting",
3277 .type = FIO_OPT_BOOL,
3278 .off1 = td_var_offset(unified_rw_rep),
3279 .help = "Unify reporting across data direction",
3280 .def = "0",
90b7a96d
JA		 3281 .category = FIO_OPT_C_GENERAL,
3282 .group = FIO_OPT_G_INVALID,
771e58be 3283 },
f2bba182
RR		 3284 {
3285 .name = "continue_on_error",
e8b0e958 3286 .lname = "Continue on error",
06842027 3287 .type = FIO_OPT_STR,
f2bba182 3288 .off1 = td_var_offset(continue_on_error),
03e20d68 3289 .help = "Continue on non-fatal errors during IO",
06842027 3290 .def = "none",
e8b0e958 3291 .category = FIO_OPT_C_GENERAL,
bc3f552f 3292 .group = FIO_OPT_G_ERR,
06842027
SL		 3293 .posval = {
3294 { .ival = "none",
3295 .oval = ERROR_TYPE_NONE,
3296 .help = "Exit when an error is encountered",
3297 },
3298 { .ival = "read",
3299 .oval = ERROR_TYPE_READ,
3300 .help = "Continue on read errors only",
3301 },
3302 { .ival = "write",
3303 .oval = ERROR_TYPE_WRITE,
3304 .help = "Continue on write errors only",
3305 },
3306 { .ival = "io",
3307 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3308 .help = "Continue on any IO errors",
3309 },
3310 { .ival = "verify",
3311 .oval = ERROR_TYPE_VERIFY,
3312 .help = "Continue on verify errors only",
3313 },
3314 { .ival = "all",
3315 .oval = ERROR_TYPE_ANY,
3316 .help = "Continue on all io and verify errors",
3317 },
3318 { .ival = "0",
3319 .oval = ERROR_TYPE_NONE,
3320 .help = "Alias for 'none'",
3321 },
3322 { .ival = "1",
3323 .oval = ERROR_TYPE_ANY,
3324 .help = "Alias for 'all'",
3325 },
3326 },
f2bba182 3327 },
8b28bd41
DM		 3328 {
3329 .name = "ignore_error",
3330 .type = FIO_OPT_STR,
3331 .cb = str_ignore_error_cb,
3332 .help = "Set a specific list of errors to ignore",
3333 .parent = "rw",
a94eb99a 3334 .category = FIO_OPT_C_GENERAL,
bc3f552f 3335 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3336 },
3337 {
3338 .name = "error_dump",
3339 .type = FIO_OPT_BOOL,
3340 .off1 = td_var_offset(error_dump),
3341 .def = "0",
3342 .help = "Dump info on each error",
a94eb99a 3343 .category = FIO_OPT_C_GENERAL,
bc3f552f 3344 .group = FIO_OPT_G_ERR,
8b28bd41 3345 },
9ac8a797
JA		 3346 {
3347 .name = "profile",
e8b0e958 3348 .lname = "Profile",
79d16311 3349 .type = FIO_OPT_STR_STORE,
9ac8a797 3350 .off1 = td_var_offset(profile),
9ac8a797 3351 .help = "Select a specific builtin performance test",
13fca827 3352 .category = FIO_OPT_C_PROFILE,
e8b0e958 3353 .group = FIO_OPT_G_INVALID,
9ac8a797 3354 },
a696fa2a
JA		 3355 {
3356 .name = "cgroup",
e8b0e958 3357 .lname = "Cgroup",
a696fa2a
JA		 3358 .type = FIO_OPT_STR_STORE,
3359 .off1 = td_var_offset(cgroup),
3360 .help = "Add job to cgroup of this name",
e8b0e958 3361 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3362 .group = FIO_OPT_G_CGROUP,
3363 },
3364 {
3365 .name = "cgroup_nodelete",
3366 .lname = "Cgroup no-delete",
3367 .type = FIO_OPT_BOOL,
3368 .off1 = td_var_offset(cgroup_nodelete),
3369 .help = "Do not delete cgroups after job completion",
3370 .def = "0",
3371 .parent = "cgroup",
3372 .category = FIO_OPT_C_GENERAL,
3373 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3374 },
3375 {
3376 .name = "cgroup_weight",
e8b0e958 3377 .lname = "Cgroup weight",
a696fa2a
JA		 3378 .type = FIO_OPT_INT,
3379 .off1 = td_var_offset(cgroup_weight),
3380 .help = "Use given weight for cgroup",
3381 .minval = 100,
3382 .maxval = 1000,
a1f6afec 3383 .parent = "cgroup",
e8b0e958 3384 .category = FIO_OPT_C_GENERAL,
a1f6afec 3385 .group = FIO_OPT_G_CGROUP,
7de87099 3386 },
e0b0d892
JA		 3387 {
3388 .name = "uid",
e8b0e958 3389 .lname = "User ID",
e0b0d892
JA		 3390 .type = FIO_OPT_INT,
3391 .off1 = td_var_offset(uid),
3392 .help = "Run job with this user ID",
e8b0e958 3393 .category = FIO_OPT_C_GENERAL,
10860056 3394 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3395 },
3396 {
3397 .name = "gid",
e8b0e958 3398 .lname = "Group ID",
e0b0d892
JA		 3399 .type = FIO_OPT_INT,
3400 .off1 = td_var_offset(gid),
3401 .help = "Run job with this group ID",
e8b0e958 3402 .category = FIO_OPT_C_GENERAL,
10860056 3403 .group = FIO_OPT_G_CRED,
e0b0d892 3404 },
a1f6afec
JA		 3405 {
3406 .name = "kb_base",
3407 .lname = "KB Base",
3408 .type = FIO_OPT_INT,
3409 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3410 .prio = 1,
3411 .def = "1024",
ba9c7219
JA		 3412 .posval = {
3413 { .ival = "1024",
3414 .oval = 1024,
3415 .help = "Use 1024 as the K base",
3416 },
3417 { .ival = "1000",
3418 .oval = 1000,
3419 .help = "Use 1000 as the K base",
3420 },
3421 },
a1f6afec
JA		 3422 .help = "How many bytes per KB for reporting (1000 or 1024)",
3423 .category = FIO_OPT_C_GENERAL,
3424 .group = FIO_OPT_G_INVALID,
3425 },
cf3a0518
JA		 3426 {
3427 .name = "unit_base",
ba9c7219 3428 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3429 .type = FIO_OPT_INT,
3430 .off1 = td_var_offset(unit_base),
cf3a0518 3431 .prio = 1,
71a08258
JA		 3432 .posval = {
3433 { .ival = "0",
3434 .oval = 0,
3435 .help = "Auto-detect",
3436 },
3437 { .ival = "8",
3438 .oval = 8,
3439 .help = "Normal (byte based)",
3440 },
3441 { .ival = "1",
3442 .oval = 1,
3443 .help = "Bit based",
3444 },
3445 },
cf3a0518
JA		 3446 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3447 .category = FIO_OPT_C_GENERAL,
3448 .group = FIO_OPT_G_INVALID,
3449 },
3ceb458f
JA		 3450 {
3451 .name = "hugepage-size",
3452 .lname = "Hugepage size",
3453 .type = FIO_OPT_INT,
3454 .off1 = td_var_offset(hugepage_size),
3455 .help = "When using hugepages, specify size of each page",
3456 .def = __fio_stringify(FIO_HUGE_PAGE),
3457 .interval = 1024 * 1024,
3458 .category = FIO_OPT_C_GENERAL,
3459 .group = FIO_OPT_G_INVALID,
3460 },
9e684a49
DE		 3461 {
3462 .name = "flow_id",
e8b0e958 3463 .lname = "I/O flow ID",
9e684a49
DE		 3464 .type = FIO_OPT_INT,
3465 .off1 = td_var_offset(flow_id),
3466 .help = "The flow index ID to use",
3467 .def = "0",
e8b0e958
JA		 3468 .category = FIO_OPT_C_IO,
3469 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3470 },
3471 {
3472 .name = "flow",
e8b0e958 3473 .lname = "I/O flow weight",
9e684a49
DE		 3474 .type = FIO_OPT_INT,
3475 .off1 = td_var_offset(flow),
3476 .help = "Weight for flow control of this job",
3477 .parent = "flow_id",
d71c154c 3478 .hide = 1,
9e684a49 3479 .def = "0",
e8b0e958
JA		 3480 .category = FIO_OPT_C_IO,
3481 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3482 },
3483 {
3484 .name = "flow_watermark",
e8b0e958 3485 .lname = "I/O flow watermark",
9e684a49
DE		 3486 .type = FIO_OPT_INT,
3487 .off1 = td_var_offset(flow_watermark),
3488 .help = "High watermark for flow control. This option"
3489 " should be set to the same value for all threads"
3490 " with non-zero flow.",
3491 .parent = "flow_id",
d71c154c 3492 .hide = 1,
9e684a49 3493 .def = "1024",
e8b0e958
JA		 3494 .category = FIO_OPT_C_IO,
3495 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3496 },
3497 {
3498 .name = "flow_sleep",
e8b0e958 3499 .lname = "I/O flow sleep",
9e684a49
DE		 3500 .type = FIO_OPT_INT,
3501 .off1 = td_var_offset(flow_sleep),
3502 .help = "How many microseconds to sleep after being held"
3503 " back by the flow control mechanism",
3504 .parent = "flow_id",
d71c154c 3505 .hide = 1,
9e684a49 3506 .def = "0",
e8b0e958
JA		 3507 .category = FIO_OPT_C_IO,
3508 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3509 },
214e1eca
JA		 3510 {
3511 .name = NULL,
3512 },
3513};
3514
17af15d4 3515static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3516 const char *name, int val)
9f81736c 3517{
17af15d4 3518 lopt->name = (char *) name;
de890a1e 3519 lopt->val = val;
9f81736c 3520 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3521 lopt->has_arg = optional_argument;
9f81736c
JA		 3522 else
3523 lopt->has_arg = required_argument;
3524}
3525
de890a1e
SL		 3526static void options_to_lopts(struct fio_option *opts,
3527 struct option *long_options,
3528 int i, int option_type)
214e1eca 3529{
de890a1e 3530 struct fio_option *o = &opts[0];
214e1eca 3531 while (o->name) {
de890a1e 3532 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3533 if (o->alias) {
3534 i++;
de890a1e 3535 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3536 }
214e1eca
JA		 3537
3538 i++;
3539 o++;
3540 assert(i < FIO_NR_OPTIONS);
3541 }
3542}
3543
de890a1e
SL		 3544void fio_options_set_ioengine_opts(struct option *long_options,
3545 struct thread_data *td)
3546{
3547 unsigned int i;
3548
3549 i = 0;
3550 while (long_options[i].name) {
3551 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3552 memset(&long_options[i], 0, sizeof(*long_options));
3553 break;
3554 }
3555 i++;
3556 }
3557
3558 /*
3559 * Just clear out the prior ioengine options.
3560 */
3561 if (!td || !td->eo)
3562 return;
3563
3564 options_to_lopts(td->io_ops->options, long_options, i,
3565 FIO_GETOPT_IOENGINE);
3566}
3567
3568void fio_options_dup_and_init(struct option *long_options)
3569{
3570 unsigned int i;
3571
9af4a244 3572 options_init(fio_options);
de890a1e
SL		 3573
3574 i = 0;
3575 while (long_options[i].name)
3576 i++;
3577
9af4a244 3578 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3579}
3580
74929ac2
JA		 3581struct fio_keyword {
3582 const char *word;
3583 const char *desc;
3584 char *replace;
3585};
3586
3587static struct fio_keyword fio_keywords[] = {
3588 {
3589 .word = "$pagesize",
3590 .desc = "Page size in the system",
3591 },
3592 {
3593 .word = "$mb_memory",
3594 .desc = "Megabytes of memory online",
3595 },
3596 {
3597 .word = "$ncpus",
3598 .desc = "Number of CPUs online in the system",
3599 },
3600 {
3601 .word = NULL,
3602 },
3603};
3604
3605void fio_keywords_init(void)
3606{
3b2e1464 3607 unsigned long long mb_memory;
74929ac2
JA		 3608 char buf[128];
3609 long l;
3610
a4cfc477 3611 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3612 fio_keywords[0].replace = strdup(buf);
3613
8eb016d3 3614 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3615 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3616 fio_keywords[1].replace = strdup(buf);
3617
c00a2289 3618 l = cpus_online();
74929ac2
JA		 3619 sprintf(buf, "%lu", l);
3620 fio_keywords[2].replace = strdup(buf);
3621}
3622
892a6ffc
JA		 3623#define BC_APP "bc"
3624
3625static char *bc_calc(char *str)
3626{
d0c814ec 3627 char buf[128], *tmp;
892a6ffc
JA		 3628 FILE *f;
3629 int ret;
3630
3631 /*
3632 * No math, just return string
3633 */
d0c814ec
SL		 3634 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3635 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3636 return str;
3637
3638 /*
3639 * Split option from value, we only need to calculate the value
3640 */
3641 tmp = strchr(str, '=');
3642 if (!tmp)
3643 return str;
3644
3645 tmp++;
892a6ffc 3646
d0c814ec
SL		 3647 /*
3648 * Prevent buffer overflows; such a case isn't reasonable anyway
3649 */
3650 if (strlen(str) >= 128 || strlen(tmp) > 100)
3651 return str;
892a6ffc
JA		 3652
3653 sprintf(buf, "which %s > /dev/null", BC_APP);
3654 if (system(buf)) {
3655 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3656 return NULL;
3657 }
3658
d0c814ec 3659 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3660 f = popen(buf, "r");
3c3ed070 3661 if (!f)
892a6ffc 3662 return NULL;
892a6ffc 3663
d0c814ec 3664 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
3c3ed070 3665 if (ret <= 0)
892a6ffc 3666 return NULL;
892a6ffc 3667
892a6ffc 3668 pclose(f);
d0c814ec
SL		 3669 buf[(tmp - str) + ret - 1] = '\0';
3670 memcpy(buf, str, tmp - str);
892a6ffc 3671 free(str);
d0c814ec
SL		 3672 return strdup(buf);
3673}
3674
3675/*
3676 * Return a copy of the input string with substrings of the form ${VARNAME}
3677 * substituted with the value of the environment variable VARNAME. The
3678 * substitution always occurs, even if VARNAME is empty or the corresponding
3679 * environment variable undefined.
3680 */
3681static char *option_dup_subs(const char *opt)
3682{
3683 char out[OPT_LEN_MAX+1];
3684 char in[OPT_LEN_MAX+1];
3685 char *outptr = out;
3686 char *inptr = in;
3687 char *ch1, *ch2, *env;
3688 ssize_t nchr = OPT_LEN_MAX;
3689 size_t envlen;
3690
3691 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3692 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3693 return NULL;
3694 }
3695
3696 in[OPT_LEN_MAX] = '\0';
3697 strncpy(in, opt, OPT_LEN_MAX);
3698
3699 while (*inptr && nchr > 0) {
3700 if (inptr[0] == '$' && inptr[1] == '{') {
3701 ch2 = strchr(inptr, '}');
3702 if (ch2 && inptr+1 < ch2) {
3703 ch1 = inptr+2;
3704 inptr = ch2+1;
3705 *ch2 = '\0';
3706
3707 env = getenv(ch1);
3708 if (env) {
3709 envlen = strlen(env);
3710 if (envlen <= nchr) {
3711 memcpy(outptr, env, envlen);
3712 outptr += envlen;
3713 nchr -= envlen;
3714 }
3715 }
3716
3717 continue;
3718 }
3719 }
3720
3721 *outptr++ = *inptr++;
3722 --nchr;
3723 }
3724
3725 *outptr = '\0';
3726 return strdup(out);
892a6ffc
JA		 3727}
3728
74929ac2
JA		 3729/*
3730 * Look for reserved variable names and replace them with real values
3731 */
3732static char *fio_keyword_replace(char *opt)
3733{
3734 char *s;
3735 int i;
d0c814ec 3736 int docalc = 0;
74929ac2
JA		 3737
3738 for (i = 0; fio_keywords[i].word != NULL; i++) {
3739 struct fio_keyword *kw = &fio_keywords[i];
3740
3741 while ((s = strstr(opt, kw->word)) != NULL) {
3742 char *new = malloc(strlen(opt) + 1);
3743 char *o_org = opt;
3744 int olen = s - opt;
3745 int len;
3746
3747 /*
3748 * Copy part of the string before the keyword and
3749 * sprintf() the replacement after it.
3750 */
3751 memcpy(new, opt, olen);
3752 len = sprintf(new + olen, "%s", kw->replace);
3753
3754 /*
3755 * If there's more in the original string, copy that
3756 * in too
3757 */
3758 opt += strlen(kw->word) + olen;
3759 if (strlen(opt))
3760 memcpy(new + olen + len, opt, opt - o_org - 1);
3761
3762 /*
3763 * replace opt and free the old opt
3764 */
3765 opt = new;
d0c814ec 3766 free(o_org);
7a958bd5 3767
d0c814ec 3768 docalc = 1;
74929ac2
JA		 3769 }
3770 }
3771
d0c814ec
SL		 3772 /*
3773 * Check for potential math and invoke bc, if possible
3774 */
3775 if (docalc)
3776 opt = bc_calc(opt);
3777
7a958bd5 3778 return opt;
74929ac2
JA		 3779}
3780
d0c814ec
SL		 3781static char **dup_and_sub_options(char **opts, int num_opts)
3782{
3783 int i;
3784 char **opts_copy = malloc(num_opts * sizeof(*opts));
3785 for (i = 0; i < num_opts; i++) {
3786 opts_copy[i] = option_dup_subs(opts[i]);
3787 if (!opts_copy[i])
3788 continue;
3789 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3790 }
3791 return opts_copy;
3792}
3793
292cc475
JA		 3794int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3795 int dump_cmdline)
214e1eca 3796{
de890a1e 3797 int i, ret, unknown;
d0c814ec 3798 char **opts_copy;
3b8b7135 3799
9af4a244 3800 sort_options(opts, fio_options, num_opts);
d0c814ec 3801 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 3802
de890a1e
SL		 3803 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3804 struct fio_option *o;
9af4a244 3805 int newret = parse_option(opts_copy[i], opts[i], fio_options,
292cc475 3806 &o, td, dump_cmdline);
d0c814ec 3807
de890a1e
SL		 3808 if (opts_copy[i]) {
3809 if (newret && !o) {
3810 unknown++;
3811 continue;
3812 }
d0c814ec 3813 free(opts_copy[i]);
de890a1e
SL		 3814 opts_copy[i] = NULL;
3815 }
3816
3817 ret |= newret;
3818 }
3819
3820 if (unknown) {
3821 ret |= ioengine_load(td);
3822 if (td->eo) {
3823 sort_options(opts_copy, td->io_ops->options, num_opts);
3824 opts = opts_copy;
3825 }
3826 for (i = 0; i < num_opts; i++) {
3827 struct fio_option *o = NULL;
3828 int newret = 1;
3829 if (!opts_copy[i])
3830 continue;
3831
3832 if (td->eo)
3833 newret = parse_option(opts_copy[i], opts[i],
3834 td->io_ops->options, &o,
292cc475 3835 td->eo, dump_cmdline);
de890a1e
SL		 3836
3837 ret |= newret;
3838 if (!o)
3839 log_err("Bad option <%s>\n", opts[i]);
3840
3841 free(opts_copy[i]);
3842 opts_copy[i] = NULL;
3843 }
74929ac2 3844 }
3b8b7135 3845
d0c814ec 3846 free(opts_copy);
3b8b7135 3847 return ret;
214e1eca
JA		 3848}
3849
3850int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3851{
9af4a244 3852 return parse_cmd_option(opt, val, fio_options, td);
214e1eca
JA		 3853}
3854
de890a1e
SL		 3855int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3856 char *val)
3857{
8a96c80e 3858 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
de890a1e
SL		 3859}
3860
214e1eca
JA		 3861void fio_fill_default_options(struct thread_data *td)
3862{
cb1402d6 3863 td->o.magic = OPT_MAGIC;
9af4a244 3864 fill_default_options(td, fio_options);
214e1eca
JA		 3865}
3866
3867int fio_show_option_help(const char *opt)
3868{
9af4a244 3869 return show_cmd_help(fio_options, opt);
214e1eca 3870}
d23bb327 3871
de890a1e 3872void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 3873{
de890a1e 3874 struct fio_option *o;
d23bb327 3875 char **ptr;
d23bb327 3876
de890a1e
SL		 3877 for (o = &options[0]; o->name; o++) {
3878 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 3879 continue;
3880
f0fdbcaf 3881 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 3882 if (*ptr)
3883 *ptr = strdup(*ptr);
d23bb327
JA		 3884 }
3885}
3886
de890a1e
SL		 3887/*
3888 * dupe FIO_OPT_STR_STORE options
3889 */
3890void fio_options_mem_dupe(struct thread_data *td)
3891{
9af4a244 3892 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 3893
3894 if (td->eo && td->io_ops) {
de890a1e 3895 void *oldeo = td->eo;
1647f592 3896
de890a1e
SL		 3897 td->eo = malloc(td->io_ops->option_struct_size);
3898 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3899 options_mem_dupe(td->eo, td->io_ops->options);
3900 }
3901}
3902
d6978a32
JA		 3903unsigned int fio_get_kb_base(void *data)
3904{
83ea422a 3905 struct thread_options *o = data;
d6978a32
JA		 3906 unsigned int kb_base = 0;
3907
cb1402d6
JA		 3908 /*
3909 * This is a hack... For private options, *data is not holding
3910 * a pointer to the thread_options, but to private data. This means
3911 * we can't safely dereference it, but magic is first so mem wise
3912 * it is valid. But this also means that if the job first sets
3913 * kb_base and expects that to be honored by private options,
3914 * it will be disappointed. We will return the global default
3915 * for this.
3916 */
3917 if (o && o->magic == OPT_MAGIC)
83ea422a 3918 kb_base = o->kb_base;
d6978a32
JA		 3919 if (!kb_base)
3920 kb_base = 1024;
3921
3922 return kb_base;
3923}
9f988e2e 3924
07b3232d 3925int add_option(struct fio_option *o)
9f988e2e 3926{
07b3232d
JA		 3927 struct fio_option *__o;
3928 int opt_index = 0;
3929
9af4a244 3930 __o = fio_options;
07b3232d
JA		 3931 while (__o->name) {
3932 opt_index++;
3933 __o++;
3934 }
3935
7b504edd
JA		 3936 if (opt_index + 1 == FIO_MAX_OPTS) {
3937 log_err("fio: FIO_MAX_OPTS is too small\n");
3938 return 1;
3939 }
3940
9af4a244 3941 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 3942 fio_options[opt_index + 1].name = NULL;
07b3232d 3943 return 0;
9f988e2e 3944}
e2de69da 3945
07b3232d 3946void invalidate_profile_options(const char *prof_name)
e2de69da 3947{
07b3232d 3948 struct fio_option *o;
e2de69da 3949
9af4a244 3950 o = fio_options;
07b3232d
JA		 3951 while (o->name) {
3952 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
3953 o->type = FIO_OPT_INVALID;
3954 o->prof_name = NULL;
3955 }
3956 o++;
e2de69da
JA		 3957 }
3958}
f5b6bb85
JA		 3959
3960void add_opt_posval(const char *optname, const char *ival, const char *help)
3961{
3962 struct fio_option *o;
3963 unsigned int i;
3964
9af4a244 3965 o = find_option(fio_options, optname);
f5b6bb85
JA		 3966 if (!o)
3967 return;
3968
3969 for (i = 0; i < PARSE_MAX_VP; i++) {
3970 if (o->posval[i].ival)
3971 continue;
3972
3973 o->posval[i].ival = ival;
3974 o->posval[i].help = help;
3975 break;
3976 }
3977}
3978
3979void del_opt_posval(const char *optname, const char *ival)
3980{
3981 struct fio_option *o;
3982 unsigned int i;
3983
9af4a244 3984 o = find_option(fio_options, optname);
f5b6bb85
JA		 3985 if (!o)
3986 return;
3987
3988 for (i = 0; i < PARSE_MAX_VP; i++) {
3989 if (!o->posval[i].ival)
3990 continue;
3991 if (strcmp(o->posval[i].ival, ival))
3992 continue;
3993
3994 o->posval[i].ival = NULL;
3995 o->posval[i].help = NULL;
3996 }
3997}
7e356b2d
JA		 3998
3999void fio_options_free(struct thread_data *td)
4000{
9af4a244 4001 options_free(fio_options, td);
de890a1e
SL		 4002 if (td->eo && td->io_ops && td->io_ops->options) {
4003 options_free(td->io_ops->options, td->eo);
4004 free(td->eo);
4005 td->eo = NULL;
4006 }
7e356b2d 4007}
c504ee55
JA		 4008
4009struct fio_option *fio_option_find(const char *name)
4010{
4011 return find_option(fio_options, name);
4012}
4013
fio - Flexible IO Tester