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Add 'f' (Finishing) flag to status output
[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
214e1eca
JA		 1526 { .ival = "external",
1527 .help = "Load external engine (append name)",
1528 },
1529 },
1530 },
1531 {
1532 .name = "iodepth",
e8b0e958 1533 .lname = "IO Depth",
214e1eca
JA		 1534 .type = FIO_OPT_INT,
1535 .off1 = td_var_offset(iodepth),
03e20d68 1536 .help = "Number of IO buffers to keep in flight",
757aff4f 1537 .minval = 1,
20eb06bd 1538 .interval = 1,
214e1eca 1539 .def = "1",
e8b0e958 1540 .category = FIO_OPT_C_IO,
0626037e 1541 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1542 },
1543 {
1544 .name = "iodepth_batch",
e8b0e958 1545 .lname = "IO Depth batch",
4950421a 1546 .alias = "iodepth_batch_submit",
214e1eca
JA		 1547 .type = FIO_OPT_INT,
1548 .off1 = td_var_offset(iodepth_batch),
d65db441 1549 .help = "Number of IO buffers to submit in one go",
afdf9352 1550 .parent = "iodepth",
d71c154c 1551 .hide = 1,
a2e6f8ac 1552 .minval = 1,
20eb06bd 1553 .interval = 1,
a2e6f8ac 1554 .def = "1",
e8b0e958 1555 .category = FIO_OPT_C_IO,
0626037e 1556 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1557 },
1558 {
1559 .name = "iodepth_batch_complete",
e8b0e958 1560 .lname = "IO Depth batch complete",
4950421a
JA		 1561 .type = FIO_OPT_INT,
1562 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1563 .help = "Number of IO buffers to retrieve in one go",
4950421a 1564 .parent = "iodepth",
d71c154c 1565 .hide = 1,
4950421a 1566 .minval = 0,
20eb06bd 1567 .interval = 1,
4950421a 1568 .def = "1",
e8b0e958 1569 .category = FIO_OPT_C_IO,
0626037e 1570 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1571 },
1572 {
1573 .name = "iodepth_low",
e8b0e958 1574 .lname = "IO Depth batch low",
214e1eca
JA		 1575 .type = FIO_OPT_INT,
1576 .off1 = td_var_offset(iodepth_low),
1577 .help = "Low water mark for queuing depth",
afdf9352 1578 .parent = "iodepth",
d71c154c 1579 .hide = 1,
20eb06bd 1580 .interval = 1,
e8b0e958 1581 .category = FIO_OPT_C_IO,
0626037e 1582 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1583 },
1584 {
1585 .name = "size",
e8b0e958 1586 .lname = "Size",
214e1eca 1587 .type = FIO_OPT_STR_VAL,
7bb59102 1588 .cb = str_size_cb,
214e1eca 1589 .help = "Total size of device or files",
20eb06bd 1590 .interval = 1024 * 1024,
e8b0e958
JA		 1591 .category = FIO_OPT_C_IO,
1592 .group = FIO_OPT_G_INVALID,
214e1eca 1593 },
aa31f1f1
SL		 1594 {
1595 .name = "fill_device",
e8b0e958 1596 .lname = "Fill device",
74586c1e 1597 .alias = "fill_fs",
aa31f1f1
SL		 1598 .type = FIO_OPT_BOOL,
1599 .off1 = td_var_offset(fill_device),
1600 .help = "Write until an ENOSPC error occurs",
1601 .def = "0",
e8b0e958
JA		 1602 .category = FIO_OPT_C_FILE,
1603 .group = FIO_OPT_G_INVALID,
aa31f1f1 1604 },
214e1eca
JA		 1605 {
1606 .name = "filesize",
e8b0e958 1607 .lname = "File size",
214e1eca
JA		 1608 .type = FIO_OPT_STR_VAL,
1609 .off1 = td_var_offset(file_size_low),
1610 .off2 = td_var_offset(file_size_high),
c3edbdba 1611 .minval = 1,
214e1eca 1612 .help = "Size of individual files",
20eb06bd 1613 .interval = 1024 * 1024,
e8b0e958
JA		 1614 .category = FIO_OPT_C_FILE,
1615 .group = FIO_OPT_G_INVALID,
214e1eca 1616 },
bedc9dc2
JA		 1617 {
1618 .name = "file_append",
1619 .lname = "File append",
1620 .type = FIO_OPT_BOOL,
1621 .off1 = td_var_offset(file_append),
1622 .help = "IO will start at the end of the file(s)",
1623 .def = "0",
1624 .category = FIO_OPT_C_FILE,
1625 .group = FIO_OPT_G_INVALID,
1626 },
67a1000f
JA		 1627 {
1628 .name = "offset",
e8b0e958 1629 .lname = "IO offset",
67a1000f
JA		 1630 .alias = "fileoffset",
1631 .type = FIO_OPT_STR_VAL,
1632 .off1 = td_var_offset(start_offset),
1633 .help = "Start IO from this offset",
1634 .def = "0",
20eb06bd 1635 .interval = 1024 * 1024,
e8b0e958
JA		 1636 .category = FIO_OPT_C_IO,
1637 .group = FIO_OPT_G_INVALID,
67a1000f 1638 },
2d7cd868
JA		 1639 {
1640 .name = "offset_increment",
e8b0e958 1641 .lname = "IO offset increment",
2d7cd868
JA		 1642 .type = FIO_OPT_STR_VAL,
1643 .off1 = td_var_offset(offset_increment),
1644 .help = "What is the increment from one offset to the next",
1645 .parent = "offset",
d71c154c 1646 .hide = 1,
2d7cd868 1647 .def = "0",
20eb06bd 1648 .interval = 1024 * 1024,
e8b0e958
JA		 1649 .category = FIO_OPT_C_IO,
1650 .group = FIO_OPT_G_INVALID,
2d7cd868 1651 },
ddf24e42
JA		 1652 {
1653 .name = "number_ios",
1654 .lname = "Number of IOs to perform",
1655 .type = FIO_OPT_STR_VAL,
1656 .off1 = td_var_offset(number_ios),
1657 .help = "Force job completion of this number of IOs",
1658 .def = "0",
1659 .category = FIO_OPT_C_IO,
1660 .group = FIO_OPT_G_INVALID,
1661 },
214e1eca
JA		 1662 {
1663 .name = "bs",
e8b0e958 1664 .lname = "Block size",
d3aad8f2 1665 .alias = "blocksize",
e01b22b8 1666 .type = FIO_OPT_INT,
214e1eca
JA		 1667 .off1 = td_var_offset(bs[DDIR_READ]),
1668 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1669 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1670 .minval = 1,
214e1eca
JA		 1671 .help = "Block size unit",
1672 .def = "4k",
67a1000f 1673 .parent = "rw",
d71c154c 1674 .hide = 1,
20eb06bd 1675 .interval = 512,
e8b0e958
JA		 1676 .category = FIO_OPT_C_IO,
1677 .group = FIO_OPT_G_INVALID,
214e1eca 1678 },
2b7a01d0
JA		 1679 {
1680 .name = "ba",
e8b0e958 1681 .lname = "Block size align",
2b7a01d0 1682 .alias = "blockalign",
e01b22b8 1683 .type = FIO_OPT_INT,
2b7a01d0
JA		 1684 .off1 = td_var_offset(ba[DDIR_READ]),
1685 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1686 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1687 .minval = 1,
1688 .help = "IO block offset alignment",
1689 .parent = "rw",
d71c154c 1690 .hide = 1,
20eb06bd 1691 .interval = 512,
e8b0e958
JA		 1692 .category = FIO_OPT_C_IO,
1693 .group = FIO_OPT_G_INVALID,
2b7a01d0 1694 },
214e1eca
JA		 1695 {
1696 .name = "bsrange",
e8b0e958 1697 .lname = "Block size range",
d3aad8f2 1698 .alias = "blocksize_range",
214e1eca
JA		 1699 .type = FIO_OPT_RANGE,
1700 .off1 = td_var_offset(min_bs[DDIR_READ]),
1701 .off2 = td_var_offset(max_bs[DDIR_READ]),
1702 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1703 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1704 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1705 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1706 .minval = 1,
214e1eca 1707 .help = "Set block size range (in more detail than bs)",
67a1000f 1708 .parent = "rw",
d71c154c 1709 .hide = 1,
20eb06bd 1710 .interval = 4096,
e8b0e958
JA		 1711 .category = FIO_OPT_C_IO,
1712 .group = FIO_OPT_G_INVALID,
214e1eca 1713 },
564ca972
JA		 1714 {
1715 .name = "bssplit",
e8b0e958 1716 .lname = "Block size split",
564ca972
JA		 1717 .type = FIO_OPT_STR,
1718 .cb = str_bssplit_cb,
1719 .help = "Set a specific mix of block sizes",
1720 .parent = "rw",
d71c154c 1721 .hide = 1,
e8b0e958
JA		 1722 .category = FIO_OPT_C_IO,
1723 .group = FIO_OPT_G_INVALID,
564ca972 1724 },
214e1eca
JA		 1725 {
1726 .name = "bs_unaligned",
e8b0e958 1727 .lname = "Block size unaligned",
d3aad8f2 1728 .alias = "blocksize_unaligned",
214e1eca
JA		 1729 .type = FIO_OPT_STR_SET,
1730 .off1 = td_var_offset(bs_unaligned),
1731 .help = "Don't sector align IO buffer sizes",
67a1000f 1732 .parent = "rw",
d71c154c 1733 .hide = 1,
e8b0e958
JA		 1734 .category = FIO_OPT_C_IO,
1735 .group = FIO_OPT_G_INVALID,
214e1eca 1736 },
6aca9b3d
JA		 1737 {
1738 .name = "bs_is_seq_rand",
1739 .lname = "Block size division is seq/random (not read/write)",
1740 .type = FIO_OPT_BOOL,
1741 .off1 = td_var_offset(bs_is_seq_rand),
1742 .help = "Consider any blocksize setting to be sequential,ramdom",
1743 .def = "0",
1744 .parent = "blocksize",
1745 .category = FIO_OPT_C_IO,
1746 .group = FIO_OPT_G_INVALID,
1747 },
214e1eca
JA		 1748 {
1749 .name = "randrepeat",
e8b0e958 1750 .lname = "Random repeatable",
214e1eca
JA		 1751 .type = FIO_OPT_BOOL,
1752 .off1 = td_var_offset(rand_repeatable),
1753 .help = "Use repeatable random IO pattern",
1754 .def = "1",
67a1000f 1755 .parent = "rw",
d71c154c 1756 .hide = 1,
e8b0e958 1757 .category = FIO_OPT_C_IO,
3ceb458f 1758 .group = FIO_OPT_G_RANDOM,
214e1eca 1759 },
04778baf
JA		 1760 {
1761 .name = "randseed",
1762 .lname = "The random generator seed",
363cffa7 1763 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1764 .off1 = td_var_offset(rand_seed),
1765 .help = "Set the random generator seed value",
1766 .parent = "rw",
1767 .category = FIO_OPT_C_IO,
1768 .group = FIO_OPT_G_RANDOM,
1769 },
2615cc4b
JA		 1770 {
1771 .name = "use_os_rand",
e8b0e958 1772 .lname = "Use OS random",
2615cc4b
JA		 1773 .type = FIO_OPT_BOOL,
1774 .off1 = td_var_offset(use_os_rand),
1775 .help = "Set to use OS random generator",
1776 .def = "0",
1777 .parent = "rw",
d71c154c 1778 .hide = 1,
e8b0e958 1779 .category = FIO_OPT_C_IO,
3ceb458f 1780 .group = FIO_OPT_G_RANDOM,
2615cc4b 1781 },
214e1eca
JA		 1782 {
1783 .name = "norandommap",
e8b0e958 1784 .lname = "No randommap",
214e1eca
JA		 1785 .type = FIO_OPT_STR_SET,
1786 .off1 = td_var_offset(norandommap),
1787 .help = "Accept potential duplicate random blocks",
67a1000f 1788 .parent = "rw",
d71c154c 1789 .hide = 1,
b2452a43 1790 .hide_on_set = 1,
e8b0e958 1791 .category = FIO_OPT_C_IO,
3ceb458f 1792 .group = FIO_OPT_G_RANDOM,
214e1eca 1793 },
2b386d25
JA		 1794 {
1795 .name = "softrandommap",
e8b0e958 1796 .lname = "Soft randommap",
2b386d25
JA		 1797 .type = FIO_OPT_BOOL,
1798 .off1 = td_var_offset(softrandommap),
f66ab3c8 1799 .help = "Set norandommap if randommap allocation fails",
2b386d25 1800 .parent = "norandommap",
d71c154c 1801 .hide = 1,
2b386d25 1802 .def = "0",
e8b0e958 1803 .category = FIO_OPT_C_IO,
3ceb458f 1804 .group = FIO_OPT_G_RANDOM,
2b386d25 1805 },
8055e41d
JA		 1806 {
1807 .name = "random_generator",
1808 .type = FIO_OPT_STR,
1809 .off1 = td_var_offset(random_generator),
1810 .help = "Type of random number generator to use",
1811 .def = "tausworthe",
1812 .posval = {
1813 { .ival = "tausworthe",
1814 .oval = FIO_RAND_GEN_TAUSWORTHE,
1815 .help = "Strong Tausworthe generator",
1816 },
1817 { .ival = "lfsr",
1818 .oval = FIO_RAND_GEN_LFSR,
1819 .help = "Variable length LFSR",
1820 },
1821 },
48107598
JA		 1822 .category = FIO_OPT_C_IO,
1823 .group = FIO_OPT_G_RANDOM,
8055e41d 1824 },
e25839d4
JA		 1825 {
1826 .name = "random_distribution",
1827 .type = FIO_OPT_STR,
1828 .off1 = td_var_offset(random_distribution),
1829 .cb = str_random_distribution_cb,
1830 .help = "Random offset distribution generator",
1831 .def = "random",
1832 .posval = {
1833 { .ival = "random",
1834 .oval = FIO_RAND_DIST_RANDOM,
1835 .help = "Completely random",
1836 },
1837 { .ival = "zipf",
1838 .oval = FIO_RAND_DIST_ZIPF,
1839 .help = "Zipf distribution",
1840 },
925fee33
JA		 1841 { .ival = "pareto",
1842 .oval = FIO_RAND_DIST_PARETO,
1843 .help = "Pareto distribution",
1844 },
e25839d4 1845 },
48107598
JA		 1846 .category = FIO_OPT_C_IO,
1847 .group = FIO_OPT_G_RANDOM,
e25839d4 1848 },
211c9b89
JA		 1849 {
1850 .name = "percentage_random",
1851 .lname = "Percentage Random",
1852 .type = FIO_OPT_INT,
d9472271
JA		 1853 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1854 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1855 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1856 .maxval = 100,
1857 .help = "Percentage of seq/random mix that should be random",
d9472271 1858 .def = "100,100,100",
211c9b89
JA		 1859 .interval = 5,
1860 .inverse = "percentage_sequential",
1861 .category = FIO_OPT_C_IO,
1862 .group = FIO_OPT_G_RANDOM,
1863 },
1864 {
1865 .name = "percentage_sequential",
1866 .lname = "Percentage Sequential",
d9472271 1867 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1868 .category = FIO_OPT_C_IO,
1869 .group = FIO_OPT_G_RANDOM,
1870 },
56e2a5fc
CE		 1871 {
1872 .name = "allrandrepeat",
1873 .type = FIO_OPT_BOOL,
1874 .off1 = td_var_offset(allrand_repeatable),
1875 .help = "Use repeatable random numbers for everything",
1876 .def = "0",
a869d9c6
JA		 1877 .category = FIO_OPT_C_IO,
1878 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1879 },
214e1eca
JA		 1880 {
1881 .name = "nrfiles",
e8b0e958 1882 .lname = "Number of files",
d7c8be03 1883 .alias = "nr_files",
214e1eca
JA		 1884 .type = FIO_OPT_INT,
1885 .off1 = td_var_offset(nr_files),
1886 .help = "Split job workload between this number of files",
1887 .def = "1",
20eb06bd 1888 .interval = 1,
e8b0e958
JA		 1889 .category = FIO_OPT_C_FILE,
1890 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1891 },
1892 {
1893 .name = "openfiles",
e8b0e958 1894 .lname = "Number of open files",
214e1eca
JA		 1895 .type = FIO_OPT_INT,
1896 .off1 = td_var_offset(open_files),
1897 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1898 .category = FIO_OPT_C_FILE,
1899 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1900 },
1901 {
1902 .name = "file_service_type",
e8b0e958 1903 .lname = "File service type",
214e1eca
JA		 1904 .type = FIO_OPT_STR,
1905 .cb = str_fst_cb,
1906 .off1 = td_var_offset(file_service_type),
1907 .help = "How to select which file to service next",
1908 .def = "roundrobin",
e8b0e958
JA		 1909 .category = FIO_OPT_C_FILE,
1910 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1911 .posval = {
1912 { .ival = "random",
1913 .oval = FIO_FSERVICE_RANDOM,
1914 .help = "Choose a file at random",
1915 },
1916 { .ival = "roundrobin",
1917 .oval = FIO_FSERVICE_RR,
1918 .help = "Round robin select files",
1919 },
a086c257
JA		 1920 { .ival = "sequential",
1921 .oval = FIO_FSERVICE_SEQ,
1922 .help = "Finish one file before moving to the next",
1923 },
214e1eca 1924 },
67a1000f 1925 .parent = "nrfiles",
d71c154c 1926 .hide = 1,
67a1000f 1927 },
97ac992c 1928#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 1929 {
1930 .name = "fallocate",
e8b0e958 1931 .lname = "Fallocate",
a596f047
EG		 1932 .type = FIO_OPT_STR,
1933 .off1 = td_var_offset(fallocate_mode),
1934 .help = "Whether pre-allocation is performed when laying out files",
1935 .def = "posix",
e8b0e958
JA		 1936 .category = FIO_OPT_C_FILE,
1937 .group = FIO_OPT_G_INVALID,
a596f047
EG		 1938 .posval = {
1939 { .ival = "none",
1940 .oval = FIO_FALLOCATE_NONE,
1941 .help = "Do not pre-allocate space",
1942 },
1943 { .ival = "posix",
1944 .oval = FIO_FALLOCATE_POSIX,
1945 .help = "Use posix_fallocate()",
1946 },
97ac992c 1947#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 1948 { .ival = "keep",
1949 .oval = FIO_FALLOCATE_KEEP_SIZE,
1950 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1951 },
7bc8c2cf 1952#endif
a596f047
EG		 1953 /* Compatibility with former boolean values */
1954 { .ival = "0",
1955 .oval = FIO_FALLOCATE_NONE,
1956 .help = "Alias for 'none'",
1957 },
1958 { .ival = "1",
1959 .oval = FIO_FALLOCATE_POSIX,
1960 .help = "Alias for 'posix'",
1961 },
1962 },
1963 },
97ac992c 1964#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 1965 {
1966 .name = "fadvise_hint",
e8b0e958 1967 .lname = "Fadvise hint",
67a1000f
JA		 1968 .type = FIO_OPT_BOOL,
1969 .off1 = td_var_offset(fadvise_hint),
1970 .help = "Use fadvise() to advise the kernel on IO pattern",
1971 .def = "1",
e8b0e958
JA		 1972 .category = FIO_OPT_C_FILE,
1973 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1974 },
1975 {
1976 .name = "fsync",
e8b0e958 1977 .lname = "Fsync",
214e1eca
JA		 1978 .type = FIO_OPT_INT,
1979 .off1 = td_var_offset(fsync_blocks),
1980 .help = "Issue fsync for writes every given number of blocks",
1981 .def = "0",
20eb06bd 1982 .interval = 1,
e8b0e958
JA		 1983 .category = FIO_OPT_C_FILE,
1984 .group = FIO_OPT_G_INVALID,
214e1eca 1985 },
5f9099ea
JA		 1986 {
1987 .name = "fdatasync",
e8b0e958 1988 .lname = "Fdatasync",
5f9099ea
JA		 1989 .type = FIO_OPT_INT,
1990 .off1 = td_var_offset(fdatasync_blocks),
1991 .help = "Issue fdatasync for writes every given number of blocks",
1992 .def = "0",
20eb06bd 1993 .interval = 1,
e8b0e958
JA		 1994 .category = FIO_OPT_C_FILE,
1995 .group = FIO_OPT_G_INVALID,
5f9099ea 1996 },
1ef2b6be
JA		 1997 {
1998 .name = "write_barrier",
e8b0e958 1999 .lname = "Write barrier",
1ef2b6be
JA		 2000 .type = FIO_OPT_INT,
2001 .off1 = td_var_offset(barrier_blocks),
2002 .help = "Make every Nth write a barrier write",
2003 .def = "0",
20eb06bd 2004 .interval = 1,
e8b0e958
JA		 2005 .category = FIO_OPT_C_IO,
2006 .group = FIO_OPT_G_INVALID,
1ef2b6be 2007 },
67bf9823 2008#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2009 {
2010 .name = "sync_file_range",
e8b0e958 2011 .lname = "Sync file range",
44f29692
JA		 2012 .posval = {
2013 { .ival = "wait_before",
2014 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2015 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2016 .orval = 1,
44f29692
JA		 2017 },
2018 { .ival = "write",
2019 .oval = SYNC_FILE_RANGE_WRITE,
2020 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2021 .orval = 1,
44f29692
JA		 2022 },
2023 {
2024 .ival = "wait_after",
2025 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2026 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2027 .orval = 1,
44f29692
JA		 2028 },
2029 },
3843deb3 2030 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2031 .cb = str_sfr_cb,
2032 .off1 = td_var_offset(sync_file_range),
2033 .help = "Use sync_file_range()",
e8b0e958
JA		 2034 .category = FIO_OPT_C_FILE,
2035 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2036 },
2037#endif
214e1eca
JA		 2038 {
2039 .name = "direct",
e8b0e958 2040 .lname = "Direct I/O",
214e1eca
JA		 2041 .type = FIO_OPT_BOOL,
2042 .off1 = td_var_offset(odirect),
2043 .help = "Use O_DIRECT IO (negates buffered)",
2044 .def = "0",
a01a1bc5 2045 .inverse = "buffered",
e8b0e958 2046 .category = FIO_OPT_C_IO,
3ceb458f 2047 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2048 },
d01612f3
CM		 2049 {
2050 .name = "atomic",
2051 .lname = "Atomic I/O",
2052 .type = FIO_OPT_BOOL,
2053 .off1 = td_var_offset(oatomic),
2054 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2055 .def = "0",
2056 .category = FIO_OPT_C_IO,
2057 .group = FIO_OPT_G_IO_TYPE,
2058 },
214e1eca
JA		 2059 {
2060 .name = "buffered",
e8b0e958 2061 .lname = "Buffered I/O",
214e1eca
JA		 2062 .type = FIO_OPT_BOOL,
2063 .off1 = td_var_offset(odirect),
2064 .neg = 1,
2065 .help = "Use buffered IO (negates direct)",
2066 .def = "1",
a01a1bc5 2067 .inverse = "direct",
e8b0e958 2068 .category = FIO_OPT_C_IO,
3ceb458f 2069 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2070 },
2071 {
2072 .name = "overwrite",
e8b0e958 2073 .lname = "Overwrite",
214e1eca
JA		 2074 .type = FIO_OPT_BOOL,
2075 .off1 = td_var_offset(overwrite),
2076 .help = "When writing, set whether to overwrite current data",
2077 .def = "0",
e8b0e958
JA		 2078 .category = FIO_OPT_C_FILE,
2079 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2080 },
2081 {
2082 .name = "loops",
e8b0e958 2083 .lname = "Loops",
214e1eca
JA		 2084 .type = FIO_OPT_INT,
2085 .off1 = td_var_offset(loops),
2086 .help = "Number of times to run the job",
2087 .def = "1",
20eb06bd 2088 .interval = 1,
e8b0e958 2089 .category = FIO_OPT_C_GENERAL,
a1f6afec 2090 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2091 },
2092 {
2093 .name = "numjobs",
e8b0e958 2094 .lname = "Number of jobs",
214e1eca
JA		 2095 .type = FIO_OPT_INT,
2096 .off1 = td_var_offset(numjobs),
2097 .help = "Duplicate this job this many times",
2098 .def = "1",
20eb06bd 2099 .interval = 1,
e8b0e958 2100 .category = FIO_OPT_C_GENERAL,
a1f6afec 2101 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2102 },
2103 {
2104 .name = "startdelay",
e8b0e958 2105 .lname = "Start delay",
a5737c93 2106 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2107 .off1 = td_var_offset(start_delay),
23ed19b0 2108 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2109 .help = "Only start job when this period has passed",
2110 .def = "0",
0de5b26f 2111 .is_seconds = 1,
e8b0e958 2112 .category = FIO_OPT_C_GENERAL,
a1f6afec 2113 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2114 },
2115 {
2116 .name = "runtime",
e8b0e958 2117 .lname = "Runtime",
214e1eca
JA		 2118 .alias = "timeout",
2119 .type = FIO_OPT_STR_VAL_TIME,
2120 .off1 = td_var_offset(timeout),
2121 .help = "Stop workload when this amount of time has passed",
2122 .def = "0",
0de5b26f 2123 .is_seconds = 1,
e8b0e958 2124 .category = FIO_OPT_C_GENERAL,
a1f6afec 2125 .group = FIO_OPT_G_RUNTIME,
214e1eca 2126 },
cf4464ca
JA		 2127 {
2128 .name = "time_based",
e8b0e958 2129 .lname = "Time based",
cf4464ca
JA		 2130 .type = FIO_OPT_STR_SET,
2131 .off1 = td_var_offset(time_based),
2132 .help = "Keep running until runtime/timeout is met",
e8b0e958 2133 .category = FIO_OPT_C_GENERAL,
a1f6afec 2134 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2135 },
62167762
JC		 2136 {
2137 .name = "verify_only",
2138 .lname = "Verify only",
2139 .type = FIO_OPT_STR_SET,
2140 .off1 = td_var_offset(verify_only),
2141 .help = "Verifies previously written data is still valid",
2142 .category = FIO_OPT_C_GENERAL,
2143 .group = FIO_OPT_G_RUNTIME,
2144 },
721938ae
JA		 2145 {
2146 .name = "ramp_time",
e8b0e958 2147 .lname = "Ramp time",
721938ae
JA		 2148 .type = FIO_OPT_STR_VAL_TIME,
2149 .off1 = td_var_offset(ramp_time),
2150 .help = "Ramp up time before measuring performance",
0de5b26f 2151 .is_seconds = 1,
e8b0e958 2152 .category = FIO_OPT_C_GENERAL,
a1f6afec 2153 .group = FIO_OPT_G_RUNTIME,
721938ae 2154 },
c223da83
JA		 2155 {
2156 .name = "clocksource",
e8b0e958 2157 .lname = "Clock source",
c223da83
JA		 2158 .type = FIO_OPT_STR,
2159 .cb = fio_clock_source_cb,
2160 .off1 = td_var_offset(clocksource),
2161 .help = "What type of timing source to use",
e8b0e958 2162 .category = FIO_OPT_C_GENERAL,
10860056 2163 .group = FIO_OPT_G_CLOCK,
c223da83 2164 .posval = {
67bf9823 2165#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2166 { .ival = "gettimeofday",
2167 .oval = CS_GTOD,
2168 .help = "Use gettimeofday(2) for timing",
2169 },
67bf9823
JA		 2170#endif
2171#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2172 { .ival = "clock_gettime",
2173 .oval = CS_CGETTIME,
2174 .help = "Use clock_gettime(2) for timing",
2175 },
67bf9823 2176#endif
c223da83
JA		 2177#ifdef ARCH_HAVE_CPU_CLOCK
2178 { .ival = "cpu",
2179 .oval = CS_CPUCLOCK,
2180 .help = "Use CPU private clock",
2181 },
2182#endif
2183 },
2184 },
214e1eca
JA		 2185 {
2186 .name = "mem",
d3aad8f2 2187 .alias = "iomem",
e8b0e958 2188 .lname = "I/O Memory",
214e1eca
JA		 2189 .type = FIO_OPT_STR,
2190 .cb = str_mem_cb,
2191 .off1 = td_var_offset(mem_type),
2192 .help = "Backing type for IO buffers",
2193 .def = "malloc",
e8b0e958
JA		 2194 .category = FIO_OPT_C_IO,
2195 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2196 .posval = {
2197 { .ival = "malloc",
2198 .oval = MEM_MALLOC,
2199 .help = "Use malloc(3) for IO buffers",
2200 },
37c8cdfe
JA		 2201 { .ival = "shm",
2202 .oval = MEM_SHM,
2203 .help = "Use shared memory segments for IO buffers",
2204 },
214e1eca
JA		 2205#ifdef FIO_HAVE_HUGETLB
2206 { .ival = "shmhuge",
2207 .oval = MEM_SHMHUGE,
2208 .help = "Like shm, but use huge pages",
2209 },
b370e46a 2210#endif
37c8cdfe
JA		 2211 { .ival = "mmap",
2212 .oval = MEM_MMAP,
2213 .help = "Use mmap(2) (file or anon) for IO buffers",
2214 },
214e1eca
JA		 2215#ifdef FIO_HAVE_HUGETLB
2216 { .ival = "mmaphuge",
2217 .oval = MEM_MMAPHUGE,
2218 .help = "Like mmap, but use huge pages",
2219 },
2220#endif
2221 },
2222 },
d529ee19
JA		 2223 {
2224 .name = "iomem_align",
2225 .alias = "mem_align",
e8b0e958 2226 .lname = "I/O memory alignment",
d529ee19
JA		 2227 .type = FIO_OPT_INT,
2228 .off1 = td_var_offset(mem_align),
2229 .minval = 0,
2230 .help = "IO memory buffer offset alignment",
2231 .def = "0",
2232 .parent = "iomem",
d71c154c 2233 .hide = 1,
e8b0e958
JA		 2234 .category = FIO_OPT_C_IO,
2235 .group = FIO_OPT_G_INVALID,
d529ee19 2236 },
214e1eca
JA		 2237 {
2238 .name = "verify",
e8b0e958 2239 .lname = "Verify",
214e1eca
JA		 2240 .type = FIO_OPT_STR,
2241 .off1 = td_var_offset(verify),
2242 .help = "Verify data written",
2243 .def = "0",
e8b0e958 2244 .category = FIO_OPT_C_IO,
3ceb458f 2245 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2246 .posval = {
2247 { .ival = "0",
2248 .oval = VERIFY_NONE,
2249 .help = "Don't do IO verification",
2250 },
fcca4b58
JA		 2251 { .ival = "md5",
2252 .oval = VERIFY_MD5,
2253 .help = "Use md5 checksums for verification",
2254 },
d77a7af3
JA		 2255 { .ival = "crc64",
2256 .oval = VERIFY_CRC64,
2257 .help = "Use crc64 checksums for verification",
2258 },
214e1eca
JA		 2259 { .ival = "crc32",
2260 .oval = VERIFY_CRC32,
2261 .help = "Use crc32 checksums for verification",
2262 },
af497e6a 2263 { .ival = "crc32c-intel",
e3aaafc4
JA		 2264 .oval = VERIFY_CRC32C,
2265 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2266 },
bac39e0e
JA		 2267 { .ival = "crc32c",
2268 .oval = VERIFY_CRC32C,
e3aaafc4 2269 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2270 },
969f7ed3
JA		 2271 { .ival = "crc16",
2272 .oval = VERIFY_CRC16,
2273 .help = "Use crc16 checksums for verification",
2274 },
1e154bdb
JA		 2275 { .ival = "crc7",
2276 .oval = VERIFY_CRC7,
2277 .help = "Use crc7 checksums for verification",
2278 },
7c353ceb
JA		 2279 { .ival = "sha1",
2280 .oval = VERIFY_SHA1,
2281 .help = "Use sha1 checksums for verification",
2282 },
cd14cc10
JA		 2283 { .ival = "sha256",
2284 .oval = VERIFY_SHA256,
2285 .help = "Use sha256 checksums for verification",
2286 },
2287 { .ival = "sha512",
2288 .oval = VERIFY_SHA512,
2289 .help = "Use sha512 checksums for verification",
2290 },
844ea602
JA		 2291 { .ival = "xxhash",
2292 .oval = VERIFY_XXHASH,
2293 .help = "Use xxhash checksums for verification",
2294 },
7437ee87
SL		 2295 { .ival = "meta",
2296 .oval = VERIFY_META,
2297 .help = "Use io information",
2298 },
36690c9b
JA		 2299 {
2300 .ival = "null",
2301 .oval = VERIFY_NULL,
2302 .help = "Pretend to verify",
2303 },
214e1eca
JA		 2304 },
2305 },
005c565a
JA		 2306 {
2307 .name = "do_verify",
e8b0e958 2308 .lname = "Perform verify step",
68e1f29a 2309 .type = FIO_OPT_BOOL,
005c565a
JA		 2310 .off1 = td_var_offset(do_verify),
2311 .help = "Run verification stage after write",
2312 .def = "1",
2313 .parent = "verify",
d71c154c 2314 .hide = 1,
e8b0e958
JA		 2315 .category = FIO_OPT_C_IO,
2316 .group = FIO_OPT_G_VERIFY,
005c565a 2317 },
160b966d
JA		 2318 {
2319 .name = "verifysort",
e8b0e958 2320 .lname = "Verify sort",
160b966d
JA		 2321 .type = FIO_OPT_BOOL,
2322 .off1 = td_var_offset(verifysort),
2323 .help = "Sort written verify blocks for read back",
2324 .def = "1",
c83f2df1 2325 .parent = "verify",
d71c154c 2326 .hide = 1,
e8b0e958
JA		 2327 .category = FIO_OPT_C_IO,
2328 .group = FIO_OPT_G_VERIFY,
160b966d 2329 },
1ae83d45
JA		 2330 {
2331 .name = "verifysort_nr",
2332 .type = FIO_OPT_INT,
2333 .off1 = td_var_offset(verifysort_nr),
2334 .help = "Pre-load and sort verify blocks for a read workload",
2335 .minval = 0,
2336 .maxval = 131072,
2337 .def = "1024",
2338 .parent = "verify",
836fcc0f
JA		 2339 .category = FIO_OPT_C_IO,
2340 .group = FIO_OPT_G_VERIFY,
1ae83d45 2341 },
3f9f4e26 2342 {
a59e170d 2343 .name = "verify_interval",
e8b0e958 2344 .lname = "Verify interval",
e01b22b8 2345 .type = FIO_OPT_INT,
a59e170d 2346 .off1 = td_var_offset(verify_interval),
819a9680 2347 .minval = 2 * sizeof(struct verify_header),
a59e170d 2348 .help = "Store verify buffer header every N bytes",
afdf9352 2349 .parent = "verify",
d71c154c 2350 .hide = 1,
20eb06bd 2351 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2352 .category = FIO_OPT_C_IO,
2353 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2354 },
546a9142 2355 {
a59e170d 2356 .name = "verify_offset",
e8b0e958 2357 .lname = "Verify offset",
e01b22b8 2358 .type = FIO_OPT_INT,
a59e170d 2359 .help = "Offset verify header location by N bytes",
203160d5
JA		 2360 .off1 = td_var_offset(verify_offset),
2361 .minval = sizeof(struct verify_header),
afdf9352 2362 .parent = "verify",
d71c154c 2363 .hide = 1,
e8b0e958
JA		 2364 .category = FIO_OPT_C_IO,
2365 .group = FIO_OPT_G_VERIFY,
546a9142 2366 },
e28218f3
SL		 2367 {
2368 .name = "verify_pattern",
e8b0e958 2369 .lname = "Verify pattern",
0e92f873 2370 .type = FIO_OPT_STR,
e28218f3
SL		 2371 .cb = str_verify_pattern_cb,
2372 .help = "Fill pattern for IO buffers",
2373 .parent = "verify",
d71c154c 2374 .hide = 1,
e8b0e958
JA		 2375 .category = FIO_OPT_C_IO,
2376 .group = FIO_OPT_G_VERIFY,
e28218f3 2377 },
a12a3b4d
JA		 2378 {
2379 .name = "verify_fatal",
e8b0e958 2380 .lname = "Verify fatal",
68e1f29a 2381 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2382 .off1 = td_var_offset(verify_fatal),
2383 .def = "0",
2384 .help = "Exit on a single verify failure, don't continue",
2385 .parent = "verify",
d71c154c 2386 .hide = 1,
e8b0e958
JA		 2387 .category = FIO_OPT_C_IO,
2388 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2389 },
b463e936
JA		 2390 {
2391 .name = "verify_dump",
e8b0e958 2392 .lname = "Verify dump",
b463e936
JA		 2393 .type = FIO_OPT_BOOL,
2394 .off1 = td_var_offset(verify_dump),
ef71e317 2395 .def = "0",
b463e936
JA		 2396 .help = "Dump contents of good and bad blocks on failure",
2397 .parent = "verify",
d71c154c 2398 .hide = 1,
e8b0e958
JA		 2399 .category = FIO_OPT_C_IO,
2400 .group = FIO_OPT_G_VERIFY,
b463e936 2401 },
e8462bd8
JA		 2402 {
2403 .name = "verify_async",
e8b0e958 2404 .lname = "Verify asynchronously",
e8462bd8
JA		 2405 .type = FIO_OPT_INT,
2406 .off1 = td_var_offset(verify_async),
2407 .def = "0",
2408 .help = "Number of async verifier threads to use",
2409 .parent = "verify",
d71c154c 2410 .hide = 1,
e8b0e958
JA		 2411 .category = FIO_OPT_C_IO,
2412 .group = FIO_OPT_G_VERIFY,
e8462bd8 2413 },
9e144189
JA		 2414 {
2415 .name = "verify_backlog",
e8b0e958 2416 .lname = "Verify backlog",
9e144189
JA		 2417 .type = FIO_OPT_STR_VAL,
2418 .off1 = td_var_offset(verify_backlog),
2419 .help = "Verify after this number of blocks are written",
2420 .parent = "verify",
d71c154c 2421 .hide = 1,
e8b0e958
JA		 2422 .category = FIO_OPT_C_IO,
2423 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2424 },
2425 {
2426 .name = "verify_backlog_batch",
e8b0e958 2427 .lname = "Verify backlog batch",
9e144189
JA		 2428 .type = FIO_OPT_INT,
2429 .off1 = td_var_offset(verify_batch),
2430 .help = "Verify this number of IO blocks",
0d29de83 2431 .parent = "verify",
d71c154c 2432 .hide = 1,
e8b0e958
JA		 2433 .category = FIO_OPT_C_IO,
2434 .group = FIO_OPT_G_VERIFY,
9e144189 2435 },
e8462bd8
JA		 2436#ifdef FIO_HAVE_CPU_AFFINITY
2437 {
2438 .name = "verify_async_cpus",
e8b0e958 2439 .lname = "Async verify CPUs",
e8462bd8
JA		 2440 .type = FIO_OPT_STR,
2441 .cb = str_verify_cpus_allowed_cb,
2442 .help = "Set CPUs allowed for async verify threads",
2443 .parent = "verify_async",
d71c154c 2444 .hide = 1,
e8b0e958
JA		 2445 .category = FIO_OPT_C_IO,
2446 .group = FIO_OPT_G_VERIFY,
e8462bd8 2447 },
0d29de83 2448#endif
51aa2da8
JA		 2449 {
2450 .name = "experimental_verify",
2451 .off1 = td_var_offset(experimental_verify),
2452 .type = FIO_OPT_BOOL,
b31eaac9 2453 .help = "Enable experimental verification",
836fcc0f
JA		 2454 .category = FIO_OPT_C_IO,
2455 .group = FIO_OPT_G_VERIFY,
51aa2da8 2456 },
0d29de83
JA		 2457#ifdef FIO_HAVE_TRIM
2458 {
2459 .name = "trim_percentage",
e8b0e958 2460 .lname = "Trim percentage",
0d29de83 2461 .type = FIO_OPT_INT,
203160d5 2462 .off1 = td_var_offset(trim_percentage),
20eb06bd 2463 .minval = 0,
0d29de83
JA		 2464 .maxval = 100,
2465 .help = "Number of verify blocks to discard/trim",
2466 .parent = "verify",
2467 .def = "0",
20eb06bd 2468 .interval = 1,
d71c154c 2469 .hide = 1,
e8b0e958
JA		 2470 .category = FIO_OPT_C_IO,
2471 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2472 },
2473 {
2474 .name = "trim_verify_zero",
e8b0e958 2475 .lname = "Verify trim zero",
20eb06bd 2476 .type = FIO_OPT_BOOL,
0d29de83
JA		 2477 .help = "Verify that trim/discarded blocks are returned as zeroes",
2478 .off1 = td_var_offset(trim_zero),
2479 .parent = "trim_percentage",
d71c154c 2480 .hide = 1,
0d29de83 2481 .def = "1",
e8b0e958
JA		 2482 .category = FIO_OPT_C_IO,
2483 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2484 },
2485 {
2486 .name = "trim_backlog",
e8b0e958 2487 .lname = "Trim backlog",
0d29de83
JA		 2488 .type = FIO_OPT_STR_VAL,
2489 .off1 = td_var_offset(trim_backlog),
2490 .help = "Trim after this number of blocks are written",
2491 .parent = "trim_percentage",
d71c154c 2492 .hide = 1,
20eb06bd 2493 .interval = 1,
e8b0e958
JA		 2494 .category = FIO_OPT_C_IO,
2495 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2496 },
2497 {
2498 .name = "trim_backlog_batch",
e8b0e958 2499 .lname = "Trim backlog batch",
0d29de83
JA		 2500 .type = FIO_OPT_INT,
2501 .off1 = td_var_offset(trim_batch),
2502 .help = "Trim this number of IO blocks",
2503 .parent = "trim_percentage",
d71c154c 2504 .hide = 1,
20eb06bd 2505 .interval = 1,
e8b0e958
JA		 2506 .category = FIO_OPT_C_IO,
2507 .group = FIO_OPT_G_TRIM,
0d29de83 2508 },
e8462bd8 2509#endif
214e1eca
JA		 2510 {
2511 .name = "write_iolog",
e8b0e958 2512 .lname = "Write I/O log",
214e1eca
JA		 2513 .type = FIO_OPT_STR_STORE,
2514 .off1 = td_var_offset(write_iolog_file),
2515 .help = "Store IO pattern to file",
e8b0e958
JA		 2516 .category = FIO_OPT_C_IO,
2517 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2518 },
2519 {
2520 .name = "read_iolog",
e8b0e958 2521 .lname = "Read I/O log",
214e1eca
JA		 2522 .type = FIO_OPT_STR_STORE,
2523 .off1 = td_var_offset(read_iolog_file),
2524 .help = "Playback IO pattern from file",
e8b0e958
JA		 2525 .category = FIO_OPT_C_IO,
2526 .group = FIO_OPT_G_IOLOG,
214e1eca 2527 },
64bbb865
DN		 2528 {
2529 .name = "replay_no_stall",
e8b0e958 2530 .lname = "Don't stall on replay",
20eb06bd 2531 .type = FIO_OPT_BOOL,
64bbb865
DN		 2532 .off1 = td_var_offset(no_stall),
2533 .def = "0",
87e7a972 2534 .parent = "read_iolog",
d71c154c 2535 .hide = 1,
64bbb865 2536 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2537 .category = FIO_OPT_C_IO,
2538 .group = FIO_OPT_G_IOLOG,
64bbb865 2539 },
d1c46c04
DN		 2540 {
2541 .name = "replay_redirect",
e8b0e958 2542 .lname = "Redirect device for replay",
d1c46c04
DN		 2543 .type = FIO_OPT_STR_STORE,
2544 .off1 = td_var_offset(replay_redirect),
2545 .parent = "read_iolog",
d71c154c 2546 .hide = 1,
d1c46c04 2547 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2548 .category = FIO_OPT_C_IO,
2549 .group = FIO_OPT_G_IOLOG,
d1c46c04 2550 },
214e1eca
JA		 2551 {
2552 .name = "exec_prerun",
e8b0e958 2553 .lname = "Pre-execute runnable",
214e1eca
JA		 2554 .type = FIO_OPT_STR_STORE,
2555 .off1 = td_var_offset(exec_prerun),
2556 .help = "Execute this file prior to running job",
e8b0e958
JA		 2557 .category = FIO_OPT_C_GENERAL,
2558 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2559 },
2560 {
2561 .name = "exec_postrun",
e8b0e958 2562 .lname = "Post-execute runnable",
214e1eca
JA		 2563 .type = FIO_OPT_STR_STORE,
2564 .off1 = td_var_offset(exec_postrun),
2565 .help = "Execute this file after running job",
e8b0e958
JA		 2566 .category = FIO_OPT_C_GENERAL,
2567 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2568 },
2569#ifdef FIO_HAVE_IOSCHED_SWITCH
2570 {
2571 .name = "ioscheduler",
e8b0e958 2572 .lname = "I/O scheduler",
214e1eca
JA		 2573 .type = FIO_OPT_STR_STORE,
2574 .off1 = td_var_offset(ioscheduler),
2575 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2576 .category = FIO_OPT_C_FILE,
2577 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2578 },
2579#endif
2580 {
2581 .name = "zonesize",
e8b0e958 2582 .lname = "Zone size",
214e1eca
JA		 2583 .type = FIO_OPT_STR_VAL,
2584 .off1 = td_var_offset(zone_size),
ed335855
SN		 2585 .help = "Amount of data to read per zone",
2586 .def = "0",
20eb06bd 2587 .interval = 1024 * 1024,
e8b0e958
JA		 2588 .category = FIO_OPT_C_IO,
2589 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2590 },
2591 {
2592 .name = "zonerange",
e8b0e958 2593 .lname = "Zone range",
ed335855
SN		 2594 .type = FIO_OPT_STR_VAL,
2595 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2596 .help = "Give size of an IO zone",
2597 .def = "0",
20eb06bd 2598 .interval = 1024 * 1024,
e8b0e958
JA		 2599 .category = FIO_OPT_C_IO,
2600 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2601 },
2602 {
2603 .name = "zoneskip",
e8b0e958 2604 .lname = "Zone skip",
214e1eca
JA		 2605 .type = FIO_OPT_STR_VAL,
2606 .off1 = td_var_offset(zone_skip),
2607 .help = "Space between IO zones",
2608 .def = "0",
20eb06bd 2609 .interval = 1024 * 1024,
e8b0e958
JA		 2610 .category = FIO_OPT_C_IO,
2611 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2612 },
2613 {
2614 .name = "lockmem",
e8b0e958 2615 .lname = "Lock memory",
214e1eca 2616 .type = FIO_OPT_STR_VAL,
1b79a070 2617 .off1 = td_var_offset(lockmem),
81c6b6cd 2618 .help = "Lock down this amount of memory (per worker)",
214e1eca 2619 .def = "0",
20eb06bd 2620 .interval = 1024 * 1024,
e8b0e958
JA		 2621 .category = FIO_OPT_C_GENERAL,
2622 .group = FIO_OPT_G_INVALID,
214e1eca 2623 },
214e1eca
JA		 2624 {
2625 .name = "rwmixread",
e8b0e958 2626 .lname = "Read/write mix read",
214e1eca 2627 .type = FIO_OPT_INT,
cb499fc4 2628 .cb = str_rwmix_read_cb,
214e1eca
JA		 2629 .maxval = 100,
2630 .help = "Percentage of mixed workload that is reads",
2631 .def = "50",
20eb06bd 2632 .interval = 5,
90265353 2633 .inverse = "rwmixwrite",
e8b0e958
JA		 2634 .category = FIO_OPT_C_IO,
2635 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2636 },
2637 {
2638 .name = "rwmixwrite",
e8b0e958 2639 .lname = "Read/write mix write",
214e1eca 2640 .type = FIO_OPT_INT,
cb499fc4 2641 .cb = str_rwmix_write_cb,
214e1eca
JA		 2642 .maxval = 100,
2643 .help = "Percentage of mixed workload that is writes",
2644 .def = "50",
20eb06bd 2645 .interval = 5,
90265353 2646 .inverse = "rwmixread",
e8b0e958
JA		 2647 .category = FIO_OPT_C_IO,
2648 .group = FIO_OPT_G_RWMIX,
214e1eca 2649 },
afdf9352
JA		 2650 {
2651 .name = "rwmixcycle",
e8b0e958 2652 .lname = "Read/write mix cycle",
15ca150e 2653 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2654 .category = FIO_OPT_C_IO,
2655 .group = FIO_OPT_G_RWMIX,
afdf9352 2656 },
214e1eca
JA		 2657 {
2658 .name = "nice",
e8b0e958 2659 .lname = "Nice",
214e1eca
JA		 2660 .type = FIO_OPT_INT,
2661 .off1 = td_var_offset(nice),
2662 .help = "Set job CPU nice value",
2663 .minval = -19,
2664 .maxval = 20,
2665 .def = "0",
20eb06bd 2666 .interval = 1,
e8b0e958 2667 .category = FIO_OPT_C_GENERAL,
10860056 2668 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2669 },
2670#ifdef FIO_HAVE_IOPRIO
2671 {
2672 .name = "prio",
e8b0e958 2673 .lname = "I/O nice priority",
214e1eca 2674 .type = FIO_OPT_INT,
28727df7 2675 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2676 .help = "Set job IO priority value",
2677 .minval = 0,
2678 .maxval = 7,
20eb06bd 2679 .interval = 1,
e8b0e958 2680 .category = FIO_OPT_C_GENERAL,
10860056 2681 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2682 },
2683 {
2684 .name = "prioclass",
e8b0e958 2685 .lname = "I/O nice priority class",
214e1eca 2686 .type = FIO_OPT_INT,
28727df7 2687 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2688 .help = "Set job IO priority class",
2689 .minval = 0,
2690 .maxval = 3,
20eb06bd 2691 .interval = 1,
e8b0e958 2692 .category = FIO_OPT_C_GENERAL,
10860056 2693 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2694 },
2695#endif
2696 {
2697 .name = "thinktime",
e8b0e958 2698 .lname = "Thinktime",
214e1eca
JA		 2699 .type = FIO_OPT_INT,
2700 .off1 = td_var_offset(thinktime),
2701 .help = "Idle time between IO buffers (usec)",
2702 .def = "0",
e8b0e958 2703 .category = FIO_OPT_C_IO,
3ceb458f 2704 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2705 },
2706 {
2707 .name = "thinktime_spin",
e8b0e958 2708 .lname = "Thinktime spin",
214e1eca
JA		 2709 .type = FIO_OPT_INT,
2710 .off1 = td_var_offset(thinktime_spin),
2711 .help = "Start think time by spinning this amount (usec)",
2712 .def = "0",
afdf9352 2713 .parent = "thinktime",
d71c154c 2714 .hide = 1,
e8b0e958 2715 .category = FIO_OPT_C_IO,
3ceb458f 2716 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2717 },
2718 {
2719 .name = "thinktime_blocks",
e8b0e958 2720 .lname = "Thinktime blocks",
214e1eca
JA		 2721 .type = FIO_OPT_INT,
2722 .off1 = td_var_offset(thinktime_blocks),
2723 .help = "IO buffer period between 'thinktime'",
2724 .def = "1",
afdf9352 2725 .parent = "thinktime",
d71c154c 2726 .hide = 1,
e8b0e958 2727 .category = FIO_OPT_C_IO,
3ceb458f 2728 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2729 },
2730 {
2731 .name = "rate",
e8b0e958 2732 .lname = "I/O rate",
e01b22b8 2733 .type = FIO_OPT_INT,
6eaf09d6
SL		 2734 .off1 = td_var_offset(rate[DDIR_READ]),
2735 .off2 = td_var_offset(rate[DDIR_WRITE]),
2736 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2737 .help = "Set bandwidth rate",
e8b0e958
JA		 2738 .category = FIO_OPT_C_IO,
2739 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2740 },
2741 {
2742 .name = "ratemin",
e8b0e958 2743 .lname = "I/O min rate",
e01b22b8 2744 .type = FIO_OPT_INT,
6eaf09d6
SL		 2745 .off1 = td_var_offset(ratemin[DDIR_READ]),
2746 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2747 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2748 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2749 .parent = "rate",
d71c154c 2750 .hide = 1,
e8b0e958
JA		 2751 .category = FIO_OPT_C_IO,
2752 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2753 },
2754 {
2755 .name = "rate_iops",
e8b0e958 2756 .lname = "I/O rate IOPS",
e01b22b8 2757 .type = FIO_OPT_INT,
6eaf09d6
SL		 2758 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2759 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2760 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2761 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2762 .hide = 1,
e8b0e958
JA		 2763 .category = FIO_OPT_C_IO,
2764 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2765 },
2766 {
2767 .name = "rate_iops_min",
e8b0e958 2768 .lname = "I/O min rate IOPS",
e01b22b8 2769 .type = FIO_OPT_INT,
6eaf09d6
SL		 2770 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2771 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2772 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2773 .help = "Job must meet this rate or it will be shut down",
afdf9352 2774 .parent = "rate_iops",
d71c154c 2775 .hide = 1,
e8b0e958
JA		 2776 .category = FIO_OPT_C_IO,
2777 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2778 },
2779 {
2780 .name = "ratecycle",
e8b0e958 2781 .lname = "I/O rate cycle",
214e1eca
JA		 2782 .type = FIO_OPT_INT,
2783 .off1 = td_var_offset(ratecycle),
2784 .help = "Window average for rate limits (msec)",
2785 .def = "1000",
afdf9352 2786 .parent = "rate",
d71c154c 2787 .hide = 1,
e8b0e958
JA		 2788 .category = FIO_OPT_C_IO,
2789 .group = FIO_OPT_G_RATE,
214e1eca 2790 },
15501535
JA		 2791 {
2792 .name = "max_latency",
2793 .type = FIO_OPT_INT,
2794 .off1 = td_var_offset(max_latency),
2795 .help = "Maximum tolerated IO latency (usec)",
1e5324e7 2796 .category = FIO_OPT_C_IO,
3e260a46
JA		 2797 .group = FIO_OPT_G_LATPROF,
2798 },
2799 {
2800 .name = "latency_target",
2801 .lname = "Latency Target (usec)",
2802 .type = FIO_OPT_STR_VAL_TIME,
2803 .off1 = td_var_offset(latency_target),
2804 .help = "Ramp to max queue depth supporting this latency",
2805 .category = FIO_OPT_C_IO,
2806 .group = FIO_OPT_G_LATPROF,
2807 },
2808 {
2809 .name = "latency_window",
2810 .lname = "Latency Window (usec)",
2811 .type = FIO_OPT_STR_VAL_TIME,
2812 .off1 = td_var_offset(latency_window),
2813 .help = "Time to sustain latency_target",
2814 .category = FIO_OPT_C_IO,
2815 .group = FIO_OPT_G_LATPROF,
2816 },
2817 {
2818 .name = "latency_percentile",
2819 .lname = "Latency Percentile",
2820 .type = FIO_OPT_FLOAT_LIST,
2821 .off1 = td_var_offset(latency_percentile),
2822 .help = "Percentile of IOs must be below latency_target",
2823 .def = "100",
2824 .maxlen = 1,
2825 .minfp = 0.0,
2826 .maxfp = 100.0,
2827 .category = FIO_OPT_C_IO,
2828 .group = FIO_OPT_G_LATPROF,
15501535 2829 },
214e1eca
JA		 2830 {
2831 .name = "invalidate",
e8b0e958 2832 .lname = "Cache invalidate",
214e1eca
JA		 2833 .type = FIO_OPT_BOOL,
2834 .off1 = td_var_offset(invalidate_cache),
2835 .help = "Invalidate buffer/page cache prior to running job",
2836 .def = "1",
e8b0e958 2837 .category = FIO_OPT_C_IO,
3ceb458f 2838 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2839 },
2840 {
2841 .name = "sync",
e8b0e958 2842 .lname = "Synchronous I/O",
214e1eca
JA		 2843 .type = FIO_OPT_BOOL,
2844 .off1 = td_var_offset(sync_io),
2845 .help = "Use O_SYNC for buffered writes",
2846 .def = "0",
67a1000f 2847 .parent = "buffered",
d71c154c 2848 .hide = 1,
e8b0e958 2849 .category = FIO_OPT_C_IO,
3ceb458f 2850 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2851 },
214e1eca
JA		 2852 {
2853 .name = "create_serialize",
e8b0e958 2854 .lname = "Create serialize",
214e1eca
JA		 2855 .type = FIO_OPT_BOOL,
2856 .off1 = td_var_offset(create_serialize),
2857 .help = "Serialize creating of job files",
2858 .def = "1",
e8b0e958
JA		 2859 .category = FIO_OPT_C_FILE,
2860 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2861 },
2862 {
2863 .name = "create_fsync",
e8b0e958 2864 .lname = "Create fsync",
214e1eca
JA		 2865 .type = FIO_OPT_BOOL,
2866 .off1 = td_var_offset(create_fsync),
03e20d68 2867 .help = "fsync file after creation",
214e1eca 2868 .def = "1",
e8b0e958
JA		 2869 .category = FIO_OPT_C_FILE,
2870 .group = FIO_OPT_G_INVALID,
214e1eca 2871 },
814452bd
JA		 2872 {
2873 .name = "create_on_open",
e8b0e958 2874 .lname = "Create on open",
814452bd
JA		 2875 .type = FIO_OPT_BOOL,
2876 .off1 = td_var_offset(create_on_open),
2877 .help = "Create files when they are opened for IO",
2878 .def = "0",
e8b0e958
JA		 2879 .category = FIO_OPT_C_FILE,
2880 .group = FIO_OPT_G_INVALID,
814452bd 2881 },
25460cf6
JA		 2882 {
2883 .name = "create_only",
2884 .type = FIO_OPT_BOOL,
2885 .off1 = td_var_offset(create_only),
2886 .help = "Only perform file creation phase",
d17fda71 2887 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2888 .def = "0",
2889 },
0b9d69ec 2890 {
afad68f7 2891 .name = "pre_read",
e8b0e958 2892 .lname = "Pre-read files",
afad68f7
ZY		 2893 .type = FIO_OPT_BOOL,
2894 .off1 = td_var_offset(pre_read),
03e20d68 2895 .help = "Pre-read files before starting official testing",
afad68f7 2896 .def = "0",
e8b0e958
JA		 2897 .category = FIO_OPT_C_FILE,
2898 .group = FIO_OPT_G_INVALID,
afad68f7 2899 },
214e1eca
JA		 2900#ifdef FIO_HAVE_CPU_AFFINITY
2901 {
2902 .name = "cpumask",
e8b0e958 2903 .lname = "CPU mask",
214e1eca
JA		 2904 .type = FIO_OPT_INT,
2905 .cb = str_cpumask_cb,
2906 .help = "CPU affinity mask",
e8b0e958 2907 .category = FIO_OPT_C_GENERAL,
10860056 2908 .group = FIO_OPT_G_CRED,
214e1eca 2909 },
d2e268b0
JA		 2910 {
2911 .name = "cpus_allowed",
e8b0e958 2912 .lname = "CPUs allowed",
d2e268b0
JA		 2913 .type = FIO_OPT_STR,
2914 .cb = str_cpus_allowed_cb,
2915 .help = "Set CPUs allowed",
e8b0e958 2916 .category = FIO_OPT_C_GENERAL,
10860056 2917 .group = FIO_OPT_G_CRED,
d2e268b0 2918 },
c2acfbac
JA		 2919 {
2920 .name = "cpus_allowed_policy",
2921 .lname = "CPUs allowed distribution policy",
2922 .type = FIO_OPT_STR,
2923 .off1 = td_var_offset(cpus_allowed_policy),
2924 .help = "Distribution policy for cpus_allowed",
2925 .parent = "cpus_allowed",
2926 .prio = 1,
2927 .posval = {
2928 { .ival = "shared",
2929 .oval = FIO_CPUS_SHARED,
2930 .help = "Mask shared between threads",
2931 },
2932 { .ival = "split",
2933 .oval = FIO_CPUS_SPLIT,
2934 .help = "Mask split between threads",
2935 },
2936 },
2937 .category = FIO_OPT_C_GENERAL,
2938 .group = FIO_OPT_G_CRED,
2939 },
d0b937ed 2940#endif
67bf9823 2941#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 2942 {
2943 .name = "numa_cpu_nodes",
2944 .type = FIO_OPT_STR,
2945 .cb = str_numa_cpunodes_cb,
2946 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 2947 .category = FIO_OPT_C_GENERAL,
2948 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 2949 },
2950 {
2951 .name = "numa_mem_policy",
2952 .type = FIO_OPT_STR,
2953 .cb = str_numa_mpol_cb,
2954 .help = "NUMA memory policy setup",
6be54b2d
JA		 2955 .category = FIO_OPT_C_GENERAL,
2956 .group = FIO_OPT_G_INVALID,
d0b937ed 2957 },
214e1eca
JA		 2958#endif
2959 {
2960 .name = "end_fsync",
e8b0e958 2961 .lname = "End fsync",
214e1eca
JA		 2962 .type = FIO_OPT_BOOL,
2963 .off1 = td_var_offset(end_fsync),
2964 .help = "Include fsync at the end of job",
2965 .def = "0",
e8b0e958
JA		 2966 .category = FIO_OPT_C_FILE,
2967 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2968 },
2969 {
2970 .name = "fsync_on_close",
e8b0e958 2971 .lname = "Fsync on close",
214e1eca
JA		 2972 .type = FIO_OPT_BOOL,
2973 .off1 = td_var_offset(fsync_on_close),
2974 .help = "fsync files on close",
2975 .def = "0",
e8b0e958
JA		 2976 .category = FIO_OPT_C_FILE,
2977 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2978 },
2979 {
2980 .name = "unlink",
e8b0e958 2981 .lname = "Unlink file",
214e1eca
JA		 2982 .type = FIO_OPT_BOOL,
2983 .off1 = td_var_offset(unlink),
2984 .help = "Unlink created files after job has completed",
2985 .def = "0",
e8b0e958
JA		 2986 .category = FIO_OPT_C_FILE,
2987 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2988 },
2989 {
2990 .name = "exitall",
e8b0e958 2991 .lname = "Exit-all on terminate",
214e1eca
JA		 2992 .type = FIO_OPT_STR_SET,
2993 .cb = str_exitall_cb,
2994 .help = "Terminate all jobs when one exits",
e8b0e958 2995 .category = FIO_OPT_C_GENERAL,
a1f6afec 2996 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 2997 },
2998 {
2999 .name = "stonewall",
e8b0e958 3000 .lname = "Wait for previous",
d392365e 3001 .alias = "wait_for_previous",
214e1eca
JA		 3002 .type = FIO_OPT_STR_SET,
3003 .off1 = td_var_offset(stonewall),
3004 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3005 .category = FIO_OPT_C_GENERAL,
a1f6afec 3006 .group = FIO_OPT_G_PROCESS,
214e1eca 3007 },
b3d62a75
JA		 3008 {
3009 .name = "new_group",
e8b0e958 3010 .lname = "New group",
b3d62a75
JA		 3011 .type = FIO_OPT_STR_SET,
3012 .off1 = td_var_offset(new_group),
3013 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3014 .category = FIO_OPT_C_GENERAL,
a1f6afec 3015 .group = FIO_OPT_G_PROCESS,
b3d62a75 3016 },
214e1eca
JA		 3017 {
3018 .name = "thread",
e8b0e958 3019 .lname = "Thread",
214e1eca
JA		 3020 .type = FIO_OPT_STR_SET,
3021 .off1 = td_var_offset(use_thread),
20eb06bd 3022 .help = "Use threads instead of processes",
e8b0e958 3023 .category = FIO_OPT_C_GENERAL,
a1f6afec 3024 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3025 },
3026 {
3027 .name = "write_bw_log",
e8b0e958 3028 .lname = "Write bandwidth log",
203160d5
JA		 3029 .type = FIO_OPT_STR_STORE,
3030 .off1 = td_var_offset(bw_log_file),
214e1eca 3031 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3032 .category = FIO_OPT_C_LOG,
3033 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3034 },
3035 {
3036 .name = "write_lat_log",
e8b0e958 3037 .lname = "Write latency log",
203160d5
JA		 3038 .type = FIO_OPT_STR_STORE,
3039 .off1 = td_var_offset(lat_log_file),
214e1eca 3040 .help = "Write log of latency during run",
e8b0e958
JA		 3041 .category = FIO_OPT_C_LOG,
3042 .group = FIO_OPT_G_INVALID,
214e1eca 3043 },
c8eeb9df
JA		 3044 {
3045 .name = "write_iops_log",
e8b0e958 3046 .lname = "Write IOPS log",
577c83bd 3047 .type = FIO_OPT_STR_STORE,
203160d5 3048 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3049 .help = "Write log of IOPS during run",
e8b0e958
JA		 3050 .category = FIO_OPT_C_LOG,
3051 .group = FIO_OPT_G_INVALID,
c8eeb9df 3052 },
b8bc8cba
JA		 3053 {
3054 .name = "log_avg_msec",
e8b0e958 3055 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3056 .type = FIO_OPT_INT,
3057 .off1 = td_var_offset(log_avg_msec),
3058 .help = "Average bw/iops/lat logs over this period of time",
3059 .def = "0",
e8b0e958
JA		 3060 .category = FIO_OPT_C_LOG,
3061 .group = FIO_OPT_G_INVALID,
b8bc8cba 3062 },
c504ee55
JA		 3063 {
3064 .name = "bwavgtime",
3065 .lname = "Bandwidth average time",
3066 .type = FIO_OPT_INT,
3067 .off1 = td_var_offset(bw_avg_time),
3068 .help = "Time window over which to calculate bandwidth"
3069 " (msec)",
3070 .def = "500",
3071 .parent = "write_bw_log",
3072 .hide = 1,
3073 .interval = 100,
3074 .category = FIO_OPT_C_LOG,
3075 .group = FIO_OPT_G_INVALID,
3076 },
3077 {
3078 .name = "iopsavgtime",
3079 .lname = "IOPS average time",
3080 .type = FIO_OPT_INT,
3081 .off1 = td_var_offset(iops_avg_time),
3082 .help = "Time window over which to calculate IOPS (msec)",
3083 .def = "500",
3084 .parent = "write_iops_log",
3085 .hide = 1,
3086 .interval = 100,
3087 .category = FIO_OPT_C_LOG,
3088 .group = FIO_OPT_G_INVALID,
3089 },
214e1eca
JA		 3090 {
3091 .name = "group_reporting",
e8b0e958 3092 .lname = "Group reporting",
d2507043 3093 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3094 .off1 = td_var_offset(group_reporting),
3095 .help = "Do reporting on a per-group basis",
10860056 3096 .category = FIO_OPT_C_STAT,
e8b0e958 3097 .group = FIO_OPT_G_INVALID,
214e1eca 3098 },
e9459e5a
JA		 3099 {
3100 .name = "zero_buffers",
e8b0e958 3101 .lname = "Zero I/O buffers",
e9459e5a
JA		 3102 .type = FIO_OPT_STR_SET,
3103 .off1 = td_var_offset(zero_buffers),
3104 .help = "Init IO buffers to all zeroes",
e8b0e958 3105 .category = FIO_OPT_C_IO,
3ceb458f 3106 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3107 },
5973cafb
JA		 3108 {
3109 .name = "refill_buffers",
e8b0e958 3110 .lname = "Refill I/O buffers",
5973cafb
JA		 3111 .type = FIO_OPT_STR_SET,
3112 .off1 = td_var_offset(refill_buffers),
3113 .help = "Refill IO buffers on every IO submit",
e8b0e958 3114 .category = FIO_OPT_C_IO,
3ceb458f 3115 .group = FIO_OPT_G_IO_BUF,
5973cafb 3116 },
fd68418e
JA		 3117 {
3118 .name = "scramble_buffers",
e8b0e958 3119 .lname = "Scramble I/O buffers",
fd68418e
JA		 3120 .type = FIO_OPT_BOOL,
3121 .off1 = td_var_offset(scramble_buffers),
3122 .help = "Slightly scramble buffers on every IO submit",
3123 .def = "1",
e8b0e958 3124 .category = FIO_OPT_C_IO,
3ceb458f 3125 .group = FIO_OPT_G_IO_BUF,
fd68418e 3126 },
ce35b1ec
JA		 3127 {
3128 .name = "buffer_pattern",
3129 .lname = "Buffer pattern",
3130 .type = FIO_OPT_STR,
3131 .cb = str_buffer_pattern_cb,
3132 .help = "Fill pattern for IO buffers",
3133 .category = FIO_OPT_C_IO,
3134 .group = FIO_OPT_G_IO_BUF,
3135 },
9c42684e
JA		 3136 {
3137 .name = "buffer_compress_percentage",
e8b0e958 3138 .lname = "Buffer compression percentage",
9c42684e 3139 .type = FIO_OPT_INT,
bedc9dc2 3140 .cb = str_buffer_compress_cb,
9c42684e 3141 .maxval = 100,
e7f5de90 3142 .minval = 0,
9c42684e 3143 .help = "How compressible the buffer is (approximately)",
20eb06bd 3144 .interval = 5,
e8b0e958 3145 .category = FIO_OPT_C_IO,
3ceb458f 3146 .group = FIO_OPT_G_IO_BUF,
9c42684e 3147 },
f97a43a1
JA		 3148 {
3149 .name = "buffer_compress_chunk",
e8b0e958 3150 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3151 .type = FIO_OPT_INT,
3152 .off1 = td_var_offset(compress_chunk),
207b18e4 3153 .parent = "buffer_compress_percentage",
d71c154c 3154 .hide = 1,
f97a43a1 3155 .help = "Size of compressible region in buffer",
20eb06bd 3156 .interval = 256,
e8b0e958 3157 .category = FIO_OPT_C_IO,
3ceb458f 3158 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3159 },
83349190
YH		 3160 {
3161 .name = "clat_percentiles",
e8b0e958 3162 .lname = "Completion latency percentiles",
83349190
YH		 3163 .type = FIO_OPT_BOOL,
3164 .off1 = td_var_offset(clat_percentiles),
3165 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3166 .def = "1",
e8b0e958
JA		 3167 .category = FIO_OPT_C_STAT,
3168 .group = FIO_OPT_G_INVALID,
83349190
YH		 3169 },
3170 {
3171 .name = "percentile_list",
e8b0e958 3172 .lname = "Completion latency percentile list",
83349190
YH		 3173 .type = FIO_OPT_FLOAT_LIST,
3174 .off1 = td_var_offset(percentile_list),
435d195a 3175 .off2 = td_var_offset(percentile_precision),
83349190 3176 .help = "Specify a custom list of percentiles to report",
fd112d34 3177 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3178 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3179 .minfp = 0.0,
3180 .maxfp = 100.0,
e8b0e958
JA		 3181 .category = FIO_OPT_C_STAT,
3182 .group = FIO_OPT_G_INVALID,
83349190
YH		 3183 },
3184
0a839f30
JA		 3185#ifdef FIO_HAVE_DISK_UTIL
3186 {
3187 .name = "disk_util",
e8b0e958 3188 .lname = "Disk utilization",
0a839f30
JA		 3189 .type = FIO_OPT_BOOL,
3190 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3191 .help = "Log disk utilization statistics",
0a839f30 3192 .def = "1",
e8b0e958
JA		 3193 .category = FIO_OPT_C_STAT,
3194 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3195 },
3196#endif
993bf48b
JA		 3197 {
3198 .name = "gtod_reduce",
e8b0e958 3199 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3200 .type = FIO_OPT_BOOL,
3201 .help = "Greatly reduce number of gettimeofday() calls",
3202 .cb = str_gtod_reduce_cb,
3203 .def = "0",
a4ed77fe 3204 .hide_on_set = 1,
e8b0e958
JA		 3205 .category = FIO_OPT_C_STAT,
3206 .group = FIO_OPT_G_INVALID,
993bf48b 3207 },
02af0988
JA		 3208 {
3209 .name = "disable_lat",
e8b0e958 3210 .lname = "Disable all latency stats",
02af0988
JA		 3211 .type = FIO_OPT_BOOL,
3212 .off1 = td_var_offset(disable_lat),
3213 .help = "Disable latency numbers",
3214 .parent = "gtod_reduce",
d71c154c 3215 .hide = 1,
02af0988 3216 .def = "0",
e8b0e958
JA		 3217 .category = FIO_OPT_C_STAT,
3218 .group = FIO_OPT_G_INVALID,
02af0988 3219 },
9520ebb9
JA		 3220 {
3221 .name = "disable_clat",
e8b0e958 3222 .lname = "Disable completion latency stats",
9520ebb9
JA		 3223 .type = FIO_OPT_BOOL,
3224 .off1 = td_var_offset(disable_clat),
3225 .help = "Disable completion latency numbers",
993bf48b 3226 .parent = "gtod_reduce",
d71c154c 3227 .hide = 1,
9520ebb9 3228 .def = "0",
e8b0e958
JA		 3229 .category = FIO_OPT_C_STAT,
3230 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3231 },
3232 {
3233 .name = "disable_slat",
e8b0e958 3234 .lname = "Disable submission latency stats",
9520ebb9
JA		 3235 .type = FIO_OPT_BOOL,
3236 .off1 = td_var_offset(disable_slat),
03e20d68 3237 .help = "Disable submission latency numbers",
993bf48b 3238 .parent = "gtod_reduce",
d71c154c 3239 .hide = 1,
9520ebb9 3240 .def = "0",
e8b0e958
JA		 3241 .category = FIO_OPT_C_STAT,
3242 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3243 },
3244 {
3245 .name = "disable_bw_measurement",
e8b0e958 3246 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3247 .type = FIO_OPT_BOOL,
3248 .off1 = td_var_offset(disable_bw),
3249 .help = "Disable bandwidth logging",
993bf48b 3250 .parent = "gtod_reduce",
d71c154c 3251 .hide = 1,
9520ebb9 3252 .def = "0",
e8b0e958
JA		 3253 .category = FIO_OPT_C_STAT,
3254 .group = FIO_OPT_G_INVALID,
9520ebb9 3255 },
be4ecfdf
JA		 3256 {
3257 .name = "gtod_cpu",
e8b0e958 3258 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 3259 .type = FIO_OPT_INT,
3260 .cb = str_gtod_cpu_cb,
03e20d68 3261 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3262 .verify = gtod_cpu_verify,
e8b0e958 3263 .category = FIO_OPT_C_GENERAL,
10860056 3264 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3265 },
771e58be
JA		 3266 {
3267 .name = "unified_rw_reporting",
3268 .type = FIO_OPT_BOOL,
3269 .off1 = td_var_offset(unified_rw_rep),
3270 .help = "Unify reporting across data direction",
3271 .def = "0",
90b7a96d
JA		 3272 .category = FIO_OPT_C_GENERAL,
3273 .group = FIO_OPT_G_INVALID,
771e58be 3274 },
f2bba182
RR		 3275 {
3276 .name = "continue_on_error",
e8b0e958 3277 .lname = "Continue on error",
06842027 3278 .type = FIO_OPT_STR,
f2bba182 3279 .off1 = td_var_offset(continue_on_error),
03e20d68 3280 .help = "Continue on non-fatal errors during IO",
06842027 3281 .def = "none",
e8b0e958 3282 .category = FIO_OPT_C_GENERAL,
bc3f552f 3283 .group = FIO_OPT_G_ERR,
06842027
SL		 3284 .posval = {
3285 { .ival = "none",
3286 .oval = ERROR_TYPE_NONE,
3287 .help = "Exit when an error is encountered",
3288 },
3289 { .ival = "read",
3290 .oval = ERROR_TYPE_READ,
3291 .help = "Continue on read errors only",
3292 },
3293 { .ival = "write",
3294 .oval = ERROR_TYPE_WRITE,
3295 .help = "Continue on write errors only",
3296 },
3297 { .ival = "io",
3298 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3299 .help = "Continue on any IO errors",
3300 },
3301 { .ival = "verify",
3302 .oval = ERROR_TYPE_VERIFY,
3303 .help = "Continue on verify errors only",
3304 },
3305 { .ival = "all",
3306 .oval = ERROR_TYPE_ANY,
3307 .help = "Continue on all io and verify errors",
3308 },
3309 { .ival = "0",
3310 .oval = ERROR_TYPE_NONE,
3311 .help = "Alias for 'none'",
3312 },
3313 { .ival = "1",
3314 .oval = ERROR_TYPE_ANY,
3315 .help = "Alias for 'all'",
3316 },
3317 },
f2bba182 3318 },
8b28bd41
DM		 3319 {
3320 .name = "ignore_error",
3321 .type = FIO_OPT_STR,
3322 .cb = str_ignore_error_cb,
3323 .help = "Set a specific list of errors to ignore",
3324 .parent = "rw",
a94eb99a 3325 .category = FIO_OPT_C_GENERAL,
bc3f552f 3326 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3327 },
3328 {
3329 .name = "error_dump",
3330 .type = FIO_OPT_BOOL,
3331 .off1 = td_var_offset(error_dump),
3332 .def = "0",
3333 .help = "Dump info on each error",
a94eb99a 3334 .category = FIO_OPT_C_GENERAL,
bc3f552f 3335 .group = FIO_OPT_G_ERR,
8b28bd41 3336 },
9ac8a797
JA		 3337 {
3338 .name = "profile",
e8b0e958 3339 .lname = "Profile",
79d16311 3340 .type = FIO_OPT_STR_STORE,
9ac8a797 3341 .off1 = td_var_offset(profile),
9ac8a797 3342 .help = "Select a specific builtin performance test",
13fca827 3343 .category = FIO_OPT_C_PROFILE,
e8b0e958 3344 .group = FIO_OPT_G_INVALID,
9ac8a797 3345 },
a696fa2a
JA		 3346 {
3347 .name = "cgroup",
e8b0e958 3348 .lname = "Cgroup",
a696fa2a
JA		 3349 .type = FIO_OPT_STR_STORE,
3350 .off1 = td_var_offset(cgroup),
3351 .help = "Add job to cgroup of this name",
e8b0e958 3352 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3353 .group = FIO_OPT_G_CGROUP,
3354 },
3355 {
3356 .name = "cgroup_nodelete",
3357 .lname = "Cgroup no-delete",
3358 .type = FIO_OPT_BOOL,
3359 .off1 = td_var_offset(cgroup_nodelete),
3360 .help = "Do not delete cgroups after job completion",
3361 .def = "0",
3362 .parent = "cgroup",
3363 .category = FIO_OPT_C_GENERAL,
3364 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3365 },
3366 {
3367 .name = "cgroup_weight",
e8b0e958 3368 .lname = "Cgroup weight",
a696fa2a
JA		 3369 .type = FIO_OPT_INT,
3370 .off1 = td_var_offset(cgroup_weight),
3371 .help = "Use given weight for cgroup",
3372 .minval = 100,
3373 .maxval = 1000,
a1f6afec 3374 .parent = "cgroup",
e8b0e958 3375 .category = FIO_OPT_C_GENERAL,
a1f6afec 3376 .group = FIO_OPT_G_CGROUP,
7de87099 3377 },
e0b0d892
JA		 3378 {
3379 .name = "uid",
e8b0e958 3380 .lname = "User ID",
e0b0d892
JA		 3381 .type = FIO_OPT_INT,
3382 .off1 = td_var_offset(uid),
3383 .help = "Run job with this user ID",
e8b0e958 3384 .category = FIO_OPT_C_GENERAL,
10860056 3385 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3386 },
3387 {
3388 .name = "gid",
e8b0e958 3389 .lname = "Group ID",
e0b0d892
JA		 3390 .type = FIO_OPT_INT,
3391 .off1 = td_var_offset(gid),
3392 .help = "Run job with this group ID",
e8b0e958 3393 .category = FIO_OPT_C_GENERAL,
10860056 3394 .group = FIO_OPT_G_CRED,
e0b0d892 3395 },
a1f6afec
JA		 3396 {
3397 .name = "kb_base",
3398 .lname = "KB Base",
3399 .type = FIO_OPT_INT,
3400 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3401 .prio = 1,
3402 .def = "1024",
ba9c7219
JA		 3403 .posval = {
3404 { .ival = "1024",
3405 .oval = 1024,
3406 .help = "Use 1024 as the K base",
3407 },
3408 { .ival = "1000",
3409 .oval = 1000,
3410 .help = "Use 1000 as the K base",
3411 },
3412 },
a1f6afec
JA		 3413 .help = "How many bytes per KB for reporting (1000 or 1024)",
3414 .category = FIO_OPT_C_GENERAL,
3415 .group = FIO_OPT_G_INVALID,
3416 },
cf3a0518
JA		 3417 {
3418 .name = "unit_base",
ba9c7219 3419 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3420 .type = FIO_OPT_INT,
3421 .off1 = td_var_offset(unit_base),
cf3a0518 3422 .prio = 1,
71a08258
JA		 3423 .posval = {
3424 { .ival = "0",
3425 .oval = 0,
3426 .help = "Auto-detect",
3427 },
3428 { .ival = "8",
3429 .oval = 8,
3430 .help = "Normal (byte based)",
3431 },
3432 { .ival = "1",
3433 .oval = 1,
3434 .help = "Bit based",
3435 },
3436 },
cf3a0518
JA		 3437 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3438 .category = FIO_OPT_C_GENERAL,
3439 .group = FIO_OPT_G_INVALID,
3440 },
3ceb458f
JA		 3441 {
3442 .name = "hugepage-size",
3443 .lname = "Hugepage size",
3444 .type = FIO_OPT_INT,
3445 .off1 = td_var_offset(hugepage_size),
3446 .help = "When using hugepages, specify size of each page",
3447 .def = __fio_stringify(FIO_HUGE_PAGE),
3448 .interval = 1024 * 1024,
3449 .category = FIO_OPT_C_GENERAL,
3450 .group = FIO_OPT_G_INVALID,
3451 },
9e684a49
DE		 3452 {
3453 .name = "flow_id",
e8b0e958 3454 .lname = "I/O flow ID",
9e684a49
DE		 3455 .type = FIO_OPT_INT,
3456 .off1 = td_var_offset(flow_id),
3457 .help = "The flow index ID to use",
3458 .def = "0",
e8b0e958
JA		 3459 .category = FIO_OPT_C_IO,
3460 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3461 },
3462 {
3463 .name = "flow",
e8b0e958 3464 .lname = "I/O flow weight",
9e684a49
DE		 3465 .type = FIO_OPT_INT,
3466 .off1 = td_var_offset(flow),
3467 .help = "Weight for flow control of this job",
3468 .parent = "flow_id",
d71c154c 3469 .hide = 1,
9e684a49 3470 .def = "0",
e8b0e958
JA		 3471 .category = FIO_OPT_C_IO,
3472 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3473 },
3474 {
3475 .name = "flow_watermark",
e8b0e958 3476 .lname = "I/O flow watermark",
9e684a49
DE		 3477 .type = FIO_OPT_INT,
3478 .off1 = td_var_offset(flow_watermark),
3479 .help = "High watermark for flow control. This option"
3480 " should be set to the same value for all threads"
3481 " with non-zero flow.",
3482 .parent = "flow_id",
d71c154c 3483 .hide = 1,
9e684a49 3484 .def = "1024",
e8b0e958
JA		 3485 .category = FIO_OPT_C_IO,
3486 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3487 },
3488 {
3489 .name = "flow_sleep",
e8b0e958 3490 .lname = "I/O flow sleep",
9e684a49
DE		 3491 .type = FIO_OPT_INT,
3492 .off1 = td_var_offset(flow_sleep),
3493 .help = "How many microseconds to sleep after being held"
3494 " back by the flow control mechanism",
3495 .parent = "flow_id",
d71c154c 3496 .hide = 1,
9e684a49 3497 .def = "0",
e8b0e958
JA		 3498 .category = FIO_OPT_C_IO,
3499 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3500 },
214e1eca
JA		 3501 {
3502 .name = NULL,
3503 },
3504};
3505
17af15d4 3506static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3507 const char *name, int val)
9f81736c 3508{
17af15d4 3509 lopt->name = (char *) name;
de890a1e 3510 lopt->val = val;
9f81736c 3511 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3512 lopt->has_arg = optional_argument;
9f81736c
JA		 3513 else
3514 lopt->has_arg = required_argument;
3515}
3516
de890a1e
SL		 3517static void options_to_lopts(struct fio_option *opts,
3518 struct option *long_options,
3519 int i, int option_type)
214e1eca 3520{
de890a1e 3521 struct fio_option *o = &opts[0];
214e1eca 3522 while (o->name) {
de890a1e 3523 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3524 if (o->alias) {
3525 i++;
de890a1e 3526 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3527 }
214e1eca
JA		 3528
3529 i++;
3530 o++;
3531 assert(i < FIO_NR_OPTIONS);
3532 }
3533}
3534
de890a1e
SL		 3535void fio_options_set_ioengine_opts(struct option *long_options,
3536 struct thread_data *td)
3537{
3538 unsigned int i;
3539
3540 i = 0;
3541 while (long_options[i].name) {
3542 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3543 memset(&long_options[i], 0, sizeof(*long_options));
3544 break;
3545 }
3546 i++;
3547 }
3548
3549 /*
3550 * Just clear out the prior ioengine options.
3551 */
3552 if (!td || !td->eo)
3553 return;
3554
3555 options_to_lopts(td->io_ops->options, long_options, i,
3556 FIO_GETOPT_IOENGINE);
3557}
3558
3559void fio_options_dup_and_init(struct option *long_options)
3560{
3561 unsigned int i;
3562
9af4a244 3563 options_init(fio_options);
de890a1e
SL		 3564
3565 i = 0;
3566 while (long_options[i].name)
3567 i++;
3568
9af4a244 3569 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3570}
3571
74929ac2
JA		 3572struct fio_keyword {
3573 const char *word;
3574 const char *desc;
3575 char *replace;
3576};
3577
3578static struct fio_keyword fio_keywords[] = {
3579 {
3580 .word = "$pagesize",
3581 .desc = "Page size in the system",
3582 },
3583 {
3584 .word = "$mb_memory",
3585 .desc = "Megabytes of memory online",
3586 },
3587 {
3588 .word = "$ncpus",
3589 .desc = "Number of CPUs online in the system",
3590 },
3591 {
3592 .word = NULL,
3593 },
3594};
3595
3596void fio_keywords_init(void)
3597{
3b2e1464 3598 unsigned long long mb_memory;
74929ac2
JA		 3599 char buf[128];
3600 long l;
3601
a4cfc477 3602 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3603 fio_keywords[0].replace = strdup(buf);
3604
8eb016d3 3605 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3606 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3607 fio_keywords[1].replace = strdup(buf);
3608
c00a2289 3609 l = cpus_online();
74929ac2
JA		 3610 sprintf(buf, "%lu", l);
3611 fio_keywords[2].replace = strdup(buf);
3612}
3613
892a6ffc
JA		 3614#define BC_APP "bc"
3615
3616static char *bc_calc(char *str)
3617{
d0c814ec 3618 char buf[128], *tmp;
892a6ffc
JA		 3619 FILE *f;
3620 int ret;
3621
3622 /*
3623 * No math, just return string
3624 */
d0c814ec
SL		 3625 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3626 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3627 return str;
3628
3629 /*
3630 * Split option from value, we only need to calculate the value
3631 */
3632 tmp = strchr(str, '=');
3633 if (!tmp)
3634 return str;
3635
3636 tmp++;
892a6ffc 3637
d0c814ec
SL		 3638 /*
3639 * Prevent buffer overflows; such a case isn't reasonable anyway
3640 */
3641 if (strlen(str) >= 128 || strlen(tmp) > 100)
3642 return str;
892a6ffc
JA		 3643
3644 sprintf(buf, "which %s > /dev/null", BC_APP);
3645 if (system(buf)) {
3646 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3647 return NULL;
3648 }
3649
d0c814ec 3650 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3651 f = popen(buf, "r");
3c3ed070 3652 if (!f)
892a6ffc 3653 return NULL;
892a6ffc 3654
d0c814ec 3655 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
3c3ed070 3656 if (ret <= 0)
892a6ffc 3657 return NULL;
892a6ffc 3658
892a6ffc 3659 pclose(f);
d0c814ec
SL		 3660 buf[(tmp - str) + ret - 1] = '\0';
3661 memcpy(buf, str, tmp - str);
892a6ffc 3662 free(str);
d0c814ec
SL		 3663 return strdup(buf);
3664}
3665
3666/*
3667 * Return a copy of the input string with substrings of the form ${VARNAME}
3668 * substituted with the value of the environment variable VARNAME. The
3669 * substitution always occurs, even if VARNAME is empty or the corresponding
3670 * environment variable undefined.
3671 */
3672static char *option_dup_subs(const char *opt)
3673{
3674 char out[OPT_LEN_MAX+1];
3675 char in[OPT_LEN_MAX+1];
3676 char *outptr = out;
3677 char *inptr = in;
3678 char *ch1, *ch2, *env;
3679 ssize_t nchr = OPT_LEN_MAX;
3680 size_t envlen;
3681
3682 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3683 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3684 return NULL;
3685 }
3686
3687 in[OPT_LEN_MAX] = '\0';
3688 strncpy(in, opt, OPT_LEN_MAX);
3689
3690 while (*inptr && nchr > 0) {
3691 if (inptr[0] == '$' && inptr[1] == '{') {
3692 ch2 = strchr(inptr, '}');
3693 if (ch2 && inptr+1 < ch2) {
3694 ch1 = inptr+2;
3695 inptr = ch2+1;
3696 *ch2 = '\0';
3697
3698 env = getenv(ch1);
3699 if (env) {
3700 envlen = strlen(env);
3701 if (envlen <= nchr) {
3702 memcpy(outptr, env, envlen);
3703 outptr += envlen;
3704 nchr -= envlen;
3705 }
3706 }
3707
3708 continue;
3709 }
3710 }
3711
3712 *outptr++ = *inptr++;
3713 --nchr;
3714 }
3715
3716 *outptr = '\0';
3717 return strdup(out);
892a6ffc
JA		 3718}
3719
74929ac2
JA		 3720/*
3721 * Look for reserved variable names and replace them with real values
3722 */
3723static char *fio_keyword_replace(char *opt)
3724{
3725 char *s;
3726 int i;
d0c814ec 3727 int docalc = 0;
74929ac2
JA		 3728
3729 for (i = 0; fio_keywords[i].word != NULL; i++) {
3730 struct fio_keyword *kw = &fio_keywords[i];
3731
3732 while ((s = strstr(opt, kw->word)) != NULL) {
3733 char *new = malloc(strlen(opt) + 1);
3734 char *o_org = opt;
3735 int olen = s - opt;
3736 int len;
3737
3738 /*
3739 * Copy part of the string before the keyword and
3740 * sprintf() the replacement after it.
3741 */
3742 memcpy(new, opt, olen);
3743 len = sprintf(new + olen, "%s", kw->replace);
3744
3745 /*
3746 * If there's more in the original string, copy that
3747 * in too
3748 */
3749 opt += strlen(kw->word) + olen;
3750 if (strlen(opt))
3751 memcpy(new + olen + len, opt, opt - o_org - 1);
3752
3753 /*
3754 * replace opt and free the old opt
3755 */
3756 opt = new;
d0c814ec 3757 free(o_org);
7a958bd5 3758
d0c814ec 3759 docalc = 1;
74929ac2
JA		 3760 }
3761 }
3762
d0c814ec
SL		 3763 /*
3764 * Check for potential math and invoke bc, if possible
3765 */
3766 if (docalc)
3767 opt = bc_calc(opt);
3768
7a958bd5 3769 return opt;
74929ac2
JA		 3770}
3771
d0c814ec
SL		 3772static char **dup_and_sub_options(char **opts, int num_opts)
3773{
3774 int i;
3775 char **opts_copy = malloc(num_opts * sizeof(*opts));
3776 for (i = 0; i < num_opts; i++) {
3777 opts_copy[i] = option_dup_subs(opts[i]);
3778 if (!opts_copy[i])
3779 continue;
3780 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3781 }
3782 return opts_copy;
3783}
3784
292cc475
JA		 3785int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3786 int dump_cmdline)
214e1eca 3787{
de890a1e 3788 int i, ret, unknown;
d0c814ec 3789 char **opts_copy;
3b8b7135 3790
9af4a244 3791 sort_options(opts, fio_options, num_opts);
d0c814ec 3792 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 3793
de890a1e
SL		 3794 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3795 struct fio_option *o;
9af4a244 3796 int newret = parse_option(opts_copy[i], opts[i], fio_options,
292cc475 3797 &o, td, dump_cmdline);
d0c814ec 3798
de890a1e
SL		 3799 if (opts_copy[i]) {
3800 if (newret && !o) {
3801 unknown++;
3802 continue;
3803 }
d0c814ec 3804 free(opts_copy[i]);
de890a1e
SL		 3805 opts_copy[i] = NULL;
3806 }
3807
3808 ret |= newret;
3809 }
3810
3811 if (unknown) {
3812 ret |= ioengine_load(td);
3813 if (td->eo) {
3814 sort_options(opts_copy, td->io_ops->options, num_opts);
3815 opts = opts_copy;
3816 }
3817 for (i = 0; i < num_opts; i++) {
3818 struct fio_option *o = NULL;
3819 int newret = 1;
3820 if (!opts_copy[i])
3821 continue;
3822
3823 if (td->eo)
3824 newret = parse_option(opts_copy[i], opts[i],
3825 td->io_ops->options, &o,
292cc475 3826 td->eo, dump_cmdline);
de890a1e
SL		 3827
3828 ret |= newret;
3829 if (!o)
3830 log_err("Bad option <%s>\n", opts[i]);
3831
3832 free(opts_copy[i]);
3833 opts_copy[i] = NULL;
3834 }
74929ac2 3835 }
3b8b7135 3836
d0c814ec 3837 free(opts_copy);
3b8b7135 3838 return ret;
214e1eca
JA		 3839}
3840
3841int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3842{
9af4a244 3843 return parse_cmd_option(opt, val, fio_options, td);
214e1eca
JA		 3844}
3845
de890a1e
SL		 3846int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3847 char *val)
3848{
8a96c80e 3849 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
de890a1e
SL		 3850}
3851
214e1eca
JA		 3852void fio_fill_default_options(struct thread_data *td)
3853{
cb1402d6 3854 td->o.magic = OPT_MAGIC;
9af4a244 3855 fill_default_options(td, fio_options);
214e1eca
JA		 3856}
3857
3858int fio_show_option_help(const char *opt)
3859{
9af4a244 3860 return show_cmd_help(fio_options, opt);
214e1eca 3861}
d23bb327 3862
de890a1e 3863void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 3864{
de890a1e 3865 struct fio_option *o;
d23bb327 3866 char **ptr;
d23bb327 3867
de890a1e
SL		 3868 for (o = &options[0]; o->name; o++) {
3869 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 3870 continue;
3871
f0fdbcaf 3872 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 3873 if (*ptr)
3874 *ptr = strdup(*ptr);
d23bb327
JA		 3875 }
3876}
3877
de890a1e
SL		 3878/*
3879 * dupe FIO_OPT_STR_STORE options
3880 */
3881void fio_options_mem_dupe(struct thread_data *td)
3882{
9af4a244 3883 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 3884
3885 if (td->eo && td->io_ops) {
de890a1e 3886 void *oldeo = td->eo;
1647f592 3887
de890a1e
SL		 3888 td->eo = malloc(td->io_ops->option_struct_size);
3889 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3890 options_mem_dupe(td->eo, td->io_ops->options);
3891 }
3892}
3893
d6978a32
JA		 3894unsigned int fio_get_kb_base(void *data)
3895{
83ea422a 3896 struct thread_options *o = data;
d6978a32
JA		 3897 unsigned int kb_base = 0;
3898
cb1402d6
JA		 3899 /*
3900 * This is a hack... For private options, *data is not holding
3901 * a pointer to the thread_options, but to private data. This means
3902 * we can't safely dereference it, but magic is first so mem wise
3903 * it is valid. But this also means that if the job first sets
3904 * kb_base and expects that to be honored by private options,
3905 * it will be disappointed. We will return the global default
3906 * for this.
3907 */
3908 if (o && o->magic == OPT_MAGIC)
83ea422a 3909 kb_base = o->kb_base;
d6978a32
JA		 3910 if (!kb_base)
3911 kb_base = 1024;
3912
3913 return kb_base;
3914}
9f988e2e 3915
07b3232d 3916int add_option(struct fio_option *o)
9f988e2e 3917{
07b3232d
JA		 3918 struct fio_option *__o;
3919 int opt_index = 0;
3920
9af4a244 3921 __o = fio_options;
07b3232d
JA		 3922 while (__o->name) {
3923 opt_index++;
3924 __o++;
3925 }
3926
7b504edd
JA		 3927 if (opt_index + 1 == FIO_MAX_OPTS) {
3928 log_err("fio: FIO_MAX_OPTS is too small\n");
3929 return 1;
3930 }
3931
9af4a244 3932 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 3933 fio_options[opt_index + 1].name = NULL;
07b3232d 3934 return 0;
9f988e2e 3935}
e2de69da 3936
07b3232d 3937void invalidate_profile_options(const char *prof_name)
e2de69da 3938{
07b3232d 3939 struct fio_option *o;
e2de69da 3940
9af4a244 3941 o = fio_options;
07b3232d
JA		 3942 while (o->name) {
3943 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
3944 o->type = FIO_OPT_INVALID;
3945 o->prof_name = NULL;
3946 }
3947 o++;
e2de69da
JA		 3948 }
3949}
f5b6bb85
JA		 3950
3951void add_opt_posval(const char *optname, const char *ival, const char *help)
3952{
3953 struct fio_option *o;
3954 unsigned int i;
3955
9af4a244 3956 o = find_option(fio_options, optname);
f5b6bb85
JA		 3957 if (!o)
3958 return;
3959
3960 for (i = 0; i < PARSE_MAX_VP; i++) {
3961 if (o->posval[i].ival)
3962 continue;
3963
3964 o->posval[i].ival = ival;
3965 o->posval[i].help = help;
3966 break;
3967 }
3968}
3969
3970void del_opt_posval(const char *optname, const char *ival)
3971{
3972 struct fio_option *o;
3973 unsigned int i;
3974
9af4a244 3975 o = find_option(fio_options, optname);
f5b6bb85
JA		 3976 if (!o)
3977 return;
3978
3979 for (i = 0; i < PARSE_MAX_VP; i++) {
3980 if (!o->posval[i].ival)
3981 continue;
3982 if (strcmp(o->posval[i].ival, ival))
3983 continue;
3984
3985 o->posval[i].ival = NULL;
3986 o->posval[i].help = NULL;
3987 }
3988}
7e356b2d
JA		 3989
3990void fio_options_free(struct thread_data *td)
3991{
9af4a244 3992 options_free(fio_options, td);
de890a1e
SL		 3993 if (td->eo && td->io_ops && td->io_ops->options) {
3994 options_free(td->io_ops->options, td->eo);
3995 free(td->eo);
3996 td->eo = NULL;
3997 }
7e356b2d 3998}
c504ee55
JA		 3999
4000struct fio_option *fio_option_find(const char *name)
4001{
4002 return find_option(fio_options, name);
4003}
4004
fio - Flexible IO Tester