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fio: allow general repeatability
[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
83ea422a 105 if (str_to_decimal(fname, &val, 1, o)) {
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
83ea422a 339 if (str_to_decimal(nr, &val, 1, o)) {
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
85bc833b 397static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA		 398{
399 struct thread_data *td = data;
214e1eca 400 unsigned int i;
b03daafb 401 long max_cpu;
d2ce18b5
JA		 402 int ret;
403
52c0cea3
JA		 404 if (parse_dryrun())
405 return 0;
406
d2ce18b5
JA		 407 ret = fio_cpuset_init(&td->o.cpumask);
408 if (ret < 0) {
409 log_err("fio: cpuset_init failed\n");
410 td_verror(td, ret, "fio_cpuset_init");
411 return 1;
412 }
214e1eca 413
c00a2289 414 max_cpu = cpus_online();
214e1eca 415
62a7273d
JA		 416 for (i = 0; i < sizeof(int) * 8; i++) {
417 if ((1 << i) & *val) {
b03daafb
JA		 418 if (i > max_cpu) {
419 log_err("fio: CPU %d too large (max=%ld)\n", i,
420 max_cpu);
421 return 1;
422 }
62a7273d 423 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 424 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 425 }
426 }
d2e268b0
JA		 427
428 td->o.cpumask_set = 1;
429 return 0;
214e1eca
JA		 430}
431
e8462bd8
JA		 432static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
433 const char *input)
214e1eca 434{
d2e268b0 435 char *cpu, *str, *p;
b03daafb 436 long max_cpu;
19608d6c 437 int ret = 0;
d2e268b0 438
e8462bd8 439 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 440 if (ret < 0) {
441 log_err("fio: cpuset_init failed\n");
442 td_verror(td, ret, "fio_cpuset_init");
443 return 1;
444 }
d2e268b0
JA		 445
446 p = str = strdup(input);
214e1eca 447
d2e268b0
JA		 448 strip_blank_front(&str);
449 strip_blank_end(str);
450
c00a2289 451 max_cpu = cpus_online();
b03daafb 452
d2e268b0 453 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 454 char *str2, *cpu2;
455 int icpu, icpu2;
456
d2e268b0
JA		 457 if (!strlen(cpu))
458 break;
62a7273d
JA		 459
460 str2 = cpu;
461 icpu2 = -1;
462 while ((cpu2 = strsep(&str2, "-")) != NULL) {
463 if (!strlen(cpu2))
464 break;
465
466 icpu2 = atoi(cpu2);
467 }
468
469 icpu = atoi(cpu);
470 if (icpu2 == -1)
471 icpu2 = icpu;
472 while (icpu <= icpu2) {
6d459ee7 473 if (icpu >= FIO_MAX_CPUS) {
19608d6c 474 log_err("fio: your OS only supports up to"
6d459ee7 475 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 476 ret = 1;
477 break;
478 }
b03daafb
JA		 479 if (icpu > max_cpu) {
480 log_err("fio: CPU %d too large (max=%ld)\n",
481 icpu, max_cpu);
482 ret = 1;
483 break;
484 }
0b9d69ec 485
62a7273d 486 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 487 fio_cpu_set(mask, icpu);
62a7273d
JA		 488 icpu++;
489 }
19608d6c
JA		 490 if (ret)
491 break;
d2e268b0
JA		 492 }
493
494 free(p);
19608d6c
JA		 495 if (!ret)
496 td->o.cpumask_set = 1;
497 return ret;
214e1eca 498}
e8462bd8
JA		 499
500static int str_cpus_allowed_cb(void *data, const char *input)
501{
502 struct thread_data *td = data;
503 int ret;
504
52c0cea3
JA		 505 if (parse_dryrun())
506 return 0;
507
e8462bd8
JA		 508 ret = set_cpus_allowed(td, &td->o.cpumask, input);
509 if (!ret)
510 td->o.cpumask_set = 1;
511
512 return ret;
513}
514
515static int str_verify_cpus_allowed_cb(void *data, const char *input)
516{
517 struct thread_data *td = data;
518 int ret;
519
520 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
521 if (!ret)
522 td->o.verify_cpumask_set = 1;
523
524 return ret;
525}
d2e268b0 526#endif
214e1eca 527
67bf9823 528#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 529static int str_numa_cpunodes_cb(void *data, char *input)
530{
531 struct thread_data *td = data;
532
52c0cea3
JA		 533 if (parse_dryrun())
534 return 0;
535
d0b937ed
YR		 536 /* numa_parse_nodestring() parses a character string list
537 * of nodes into a bit mask. The bit mask is allocated by
538 * numa_allocate_nodemask(), so it should be freed by
539 * numa_free_nodemask().
540 */
541 td->o.numa_cpunodesmask = numa_parse_nodestring(input);
542 if (td->o.numa_cpunodesmask == NULL) {
543 log_err("fio: numa_parse_nodestring failed\n");
544 td_verror(td, 1, "str_numa_cpunodes_cb");
545 return 1;
546 }
547
548 td->o.numa_cpumask_set = 1;
549 return 0;
550}
551
552static int str_numa_mpol_cb(void *data, char *input)
553{
554 struct thread_data *td = data;
555 const char * const policy_types[] =
05d6f44b 556 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 557 int i;
52c0cea3
JA		 558 char *nodelist;
559
560 if (parse_dryrun())
561 return 0;
d0b937ed 562
52c0cea3 563 nodelist = strchr(input, ':');
d0b937ed
YR		 564 if (nodelist) {
565 /* NUL-terminate mode */
566 *nodelist++ = '\0';
567 }
568
569 for (i = 0; i <= MPOL_LOCAL; i++) {
570 if (!strcmp(input, policy_types[i])) {
571 td->o.numa_mem_mode = i;
572 break;
573 }
574 }
575 if (i > MPOL_LOCAL) {
576 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
577 goto out;
578 }
579
580 switch (td->o.numa_mem_mode) {
581 case MPOL_PREFERRED:
582 /*
583 * Insist on a nodelist of one node only
584 */
585 if (nodelist) {
586 char *rest = nodelist;
587 while (isdigit(*rest))
588 rest++;
589 if (*rest) {
590 log_err("fio: one node only for \'prefer\'\n");
591 goto out;
592 }
593 } else {
594 log_err("fio: one node is needed for \'prefer\'\n");
595 goto out;
596 }
597 break;
598 case MPOL_INTERLEAVE:
599 /*
600 * Default to online nodes with memory if no nodelist
601 */
602 if (!nodelist)
603 nodelist = strdup("all");
604 break;
605 case MPOL_LOCAL:
606 case MPOL_DEFAULT:
607 /*
608 * Don't allow a nodelist
609 */
610 if (nodelist) {
611 log_err("fio: NO nodelist for \'local\'\n");
612 goto out;
613 }
614 break;
615 case MPOL_BIND:
616 /*
617 * Insist on a nodelist
618 */
619 if (!nodelist) {
620 log_err("fio: a nodelist is needed for \'bind\'\n");
621 goto out;
622 }
623 break;
624 }
625
626
627 /* numa_parse_nodestring() parses a character string list
628 * of nodes into a bit mask. The bit mask is allocated by
629 * numa_allocate_nodemask(), so it should be freed by
630 * numa_free_nodemask().
631 */
632 switch (td->o.numa_mem_mode) {
633 case MPOL_PREFERRED:
634 td->o.numa_mem_prefer_node = atoi(nodelist);
635 break;
636 case MPOL_INTERLEAVE:
637 case MPOL_BIND:
638 td->o.numa_memnodesmask = numa_parse_nodestring(nodelist);
639 if (td->o.numa_memnodesmask == NULL) {
640 log_err("fio: numa_parse_nodestring failed\n");
641 td_verror(td, 1, "str_numa_memnodes_cb");
642 return 1;
643 }
644 break;
645 case MPOL_LOCAL:
646 case MPOL_DEFAULT:
647 default:
648 break;
649 }
650
651 td->o.numa_memmask_set = 1;
652 return 0;
653
654out:
655 return 1;
656}
657#endif
658
214e1eca
JA		 659static int str_fst_cb(void *data, const char *str)
660{
661 struct thread_data *td = data;
662 char *nr = get_opt_postfix(str);
663
664 td->file_service_nr = 1;
182ec6ee 665 if (nr) {
214e1eca 666 td->file_service_nr = atoi(nr);
182ec6ee
JA		 667 free(nr);
668 }
214e1eca
JA		 669
670 return 0;
671}
672
67bf9823 673#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 674static int str_sfr_cb(void *data, const char *str)
675{
676 struct thread_data *td = data;
677 char *nr = get_opt_postfix(str);
678
679 td->sync_file_range_nr = 1;
680 if (nr) {
681 td->sync_file_range_nr = atoi(nr);
682 free(nr);
683 }
684
685 return 0;
686}
3ae06371 687#endif
44f29692 688
e25839d4
JA		 689static int str_random_distribution_cb(void *data, const char *str)
690{
691 struct thread_data *td = data;
692 double val;
693 char *nr;
694
52c0cea3
JA		 695 if (parse_dryrun())
696 return 0;
697
925fee33
JA		 698 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
699 val = 1.1;
700 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
701 val = 0.2;
702 else
e25839d4
JA		 703 return 0;
704
705 nr = get_opt_postfix(str);
925fee33 706 if (nr && !str_to_float(nr, &val)) {
e25839d4
JA		 707 log_err("fio: random postfix parsing failed\n");
708 free(nr);
709 return 1;
710 }
711
078189c1
JA		 712 free(nr);
713
18ded917
JA		 714 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
715 if (val == 1.00) {
716 log_err("fio: zipf theta must different than 1.0\n");
717 return 1;
718 }
1e5324e7 719 td->o.zipf_theta.u.f = val;
18ded917 720 } else {
078189c1
JA		 721 if (val <= 0.00 || val >= 1.00) {
722 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
723 return 1;
724 }
1e5324e7 725 td->o.pareto_h.u.f = val;
fcef0b35 726 }
921c766f
JA		 727
728 return 0;
729}
730
8e827d35
JA		 731/*
732 * Return next file in the string. Files are separated with ':'. If the ':'
733 * is escaped with a '\', then that ':' is part of the filename and does not
734 * indicate a new file.
735 */
736static char *get_next_file_name(char **ptr)
737{
738 char *str = *ptr;
739 char *p, *start;
740
741 if (!str || !strlen(str))
742 return NULL;
743
744 start = str;
745 do {
746 /*
747 * No colon, we are done
748 */
749 p = strchr(str, ':');
750 if (!p) {
751 *ptr = NULL;
752 break;
753 }
754
755 /*
756 * We got a colon, but it's the first character. Skip and
757 * continue
758 */
759 if (p == start) {
760 str = ++start;
761 continue;
762 }
763
764 if (*(p - 1) != '\\') {
765 *p = '\0';
766 *ptr = p + 1;
767 break;
768 }
769
770 memmove(p - 1, p, strlen(p) + 1);
771 str = p;
772 } while (1);
773
774 return start;
775}
776
214e1eca
JA		 777static int str_filename_cb(void *data, const char *input)
778{
779 struct thread_data *td = data;
780 char *fname, *str, *p;
781
782 p = str = strdup(input);
783
784 strip_blank_front(&str);
785 strip_blank_end(str);
786
787 if (!td->files_index)
2dc1bbeb 788 td->o.nr_files = 0;
214e1eca 789
8e827d35 790 while ((fname = get_next_file_name(&str)) != NULL) {
214e1eca
JA		 791 if (!strlen(fname))
792 break;
793 add_file(td, fname);
2dc1bbeb 794 td->o.nr_files++;
214e1eca
JA		 795 }
796
797 free(p);
798 return 0;
799}
800
801static int str_directory_cb(void *data, const char fio_unused *str)
802{
803 struct thread_data *td = data;
804 struct stat sb;
805
f9633d72
JA		 806 if (parse_dryrun())
807 return 0;
808
2dc1bbeb 809 if (lstat(td->o.directory, &sb) < 0) {
921c766f
JA		 810 int ret = errno;
811
2dc1bbeb 812 log_err("fio: %s is not a directory\n", td->o.directory);
921c766f 813 td_verror(td, ret, "lstat");
214e1eca
JA		 814 return 1;
815 }
816 if (!S_ISDIR(sb.st_mode)) {
2dc1bbeb 817 log_err("fio: %s is not a directory\n", td->o.directory);
214e1eca
JA		 818 return 1;
819 }
820
821 return 0;
822}
823
f2a2803a
JA		 824static int str_lockfile_cb(void *data, const char fio_unused *str)
825{
826 struct thread_data *td = data;
827
828 if (td->files_index) {
829 log_err("fio: lockfile= option must precede filename=\n");
830 return 1;
831 }
832
833 return 0;
834}
835
214e1eca
JA		 836static int str_opendir_cb(void *data, const char fio_unused *str)
837{
838 struct thread_data *td = data;
839
52c0cea3
JA		 840 if (parse_dryrun())
841 return 0;
842
214e1eca 843 if (!td->files_index)
2dc1bbeb 844 td->o.nr_files = 0;
214e1eca 845
2dc1bbeb 846 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 847}
848
ce35b1ec
JA		 849static int pattern_cb(char *pattern, unsigned int max_size,
850 const char *input, unsigned int *pattern_bytes)
90059d65 851{
0e92f873 852 long off;
ce35b1ec
JA		 853 int i = 0, j = 0, len, k, base = 10;
854 uint32_t pattern_length;
3c3ed070 855 char *loc1, *loc2;
0e92f873
RR		 856
857 loc1 = strstr(input, "0x");
858 loc2 = strstr(input, "0X");
859 if (loc1 || loc2)
860 base = 16;
861 off = strtol(input, NULL, base);
862 if (off != LONG_MAX || errno != ERANGE) {
863 while (off) {
ce35b1ec 864 pattern[i] = off & 0xff;
0e92f873
RR		 865 off >>= 8;
866 i++;
867 }
868 } else {
869 len = strlen(input);
870 k = len - 1;
871 if (base == 16) {
872 if (loc1)
873 j = loc1 - input + 2;
874 else
875 j = loc2 - input + 2;
876 } else
877 return 1;
ce35b1ec 878 if (len - j < max_size * 2) {
0e92f873
RR		 879 while (k >= j) {
880 off = converthexchartoint(input[k--]);
881 if (k >= j)
882 off += (converthexchartoint(input[k--])
883 * 16);
ce35b1ec 884 pattern[i++] = (char) off;
0e92f873
RR		 885 }
886 }
887 }
efcd9dcc
SL		 888
889 /*
890 * Fill the pattern all the way to the end. This greatly reduces
891 * the number of memcpy's we have to do when verifying the IO.
892 */
e078de4a 893 pattern_length = i;
ce35b1ec
JA		 894 while (i > 1 && i * 2 <= max_size) {
895 memcpy(&pattern[i], &pattern[0], i);
efcd9dcc
SL		 896 i *= 2;
897 }
e078de4a
JA		 898
899 /*
900 * Fill remainder, if the pattern multiple ends up not being
ce35b1ec 901 * max_size.
e078de4a 902 */
ce35b1ec
JA		 903 while (i > 1 && i < max_size) {
904 unsigned int b = min(pattern_length, max_size - i);
e078de4a 905
ce35b1ec 906 memcpy(&pattern[i], &pattern[0], b);
e078de4a
JA		 907 i += b;
908 }
909
9a2a86d0
SL		 910 if (i == 1) {
911 /*
912 * The code in verify_io_u_pattern assumes a single byte pattern
913 * fills the whole verify pattern buffer.
914 */
ce35b1ec
JA		 915 memset(pattern, pattern[0], max_size);
916 }
917
918 *pattern_bytes = i;
919 return 0;
920}
921
922static int str_buffer_pattern_cb(void *data, const char *input)
923{
924 struct thread_data *td = data;
925 int ret;
926
927 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
928 &td->o.buffer_pattern_bytes);
929
930 if (!ret) {
931 td->o.refill_buffers = 0;
932 td->o.scramble_buffers = 0;
933 td->o.zero_buffers = 0;
9a2a86d0 934 }
efcd9dcc 935
ce35b1ec
JA		 936 return ret;
937}
938
939static int str_verify_pattern_cb(void *data, const char *input)
940{
941 struct thread_data *td = data;
942 int ret;
943
944 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
945 &td->o.verify_pattern_bytes);
efcd9dcc 946
92bf48d5
JA		 947 /*
948 * VERIFY_META could already be set
949 */
ce35b1ec 950 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 951 td->o.verify = VERIFY_PATTERN;
efcd9dcc 952
ce35b1ec 953 return ret;
90059d65 954}
214e1eca 955
993bf48b
JA		 956static int str_gtod_reduce_cb(void *data, int *il)
957{
958 struct thread_data *td = data;
959 int val = *il;
960
02af0988 961 td->o.disable_lat = !!val;
993bf48b
JA		 962 td->o.disable_clat = !!val;
963 td->o.disable_slat = !!val;
964 td->o.disable_bw = !!val;
0dc1bc03 965 td->o.clat_percentiles = !val;
993bf48b
JA		 966 if (val)
967 td->tv_cache_mask = 63;
968
969 return 0;
970}
971
85bc833b 972static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA		 973{
974 struct thread_data *td = data;
975 int val = *il;
976
977 td->o.gtod_cpu = val;
978 td->o.gtod_offload = 1;
979 return 0;
980}
981
7bb59102
JA		 982static int str_size_cb(void *data, unsigned long long *__val)
983{
984 struct thread_data *td = data;
985 unsigned long long v = *__val;
986
987 if (parse_is_percent(v)) {
988 td->o.size = 0;
989 td->o.size_percent = -1ULL - v;
990 } else
991 td->o.size = v;
992
993 return 0;
994}
995
896cac2a
JA		 996static int rw_verify(struct fio_option *o, void *data)
997{
998 struct thread_data *td = data;
999
1000 if (read_only && td_write(td)) {
1001 log_err("fio: job <%s> has write bit set, but fio is in"
1002 " read-only mode\n", td->o.name);
1003 return 1;
1004 }
1005
1006 return 0;
1007}
1008
276ca4f7 1009static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1010{
276ca4f7 1011#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1012 struct thread_data *td = data;
1013
29d43ff9
JA		 1014 if (td->o.gtod_cpu) {
1015 log_err("fio: platform must support CPU affinity for"
1016 "gettimeofday() offloading\n");
1017 return 1;
1018 }
1019#endif
1020
1021 return 0;
1022}
1023
9af4a244
JA		 1024/*
1025 * Option grouping
1026 */
1027static struct opt_group fio_opt_groups[] = {
1028 {
e8b0e958
JA		 1029 .name = "General",
1030 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 1031 },
1032 {
e8b0e958
JA		 1033 .name = "I/O",
1034 .mask = FIO_OPT_C_IO,
9af4a244
JA		 1035 },
1036 {
e8b0e958
JA		 1037 .name = "File",
1038 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 1039 },
1040 {
e8b0e958
JA		 1041 .name = "Statistics",
1042 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 1043 },
1044 {
e8b0e958
JA		 1045 .name = "Logging",
1046 .mask = FIO_OPT_C_LOG,
9af4a244 1047 },
13fca827
JA		 1048 {
1049 .name = "Profiles",
1050 .mask = FIO_OPT_C_PROFILE,
1051 },
e231bbe6 1052 {
e8b0e958 1053 .name = NULL,
e231bbe6 1054 },
e8b0e958
JA		 1055};
1056
1057static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1058 unsigned int inv_mask)
1059{
1060 struct opt_group *og;
1061 int i;
1062
1063 if (*mask == inv_mask || !*mask)
1064 return NULL;
1065
1066 for (i = 0; ogs[i].name; i++) {
1067 og = &ogs[i];
1068
1069 if (*mask & og->mask) {
1070 *mask &= ~(og->mask);
1071 return og;
1072 }
1073 }
1074
1075 return NULL;
1076}
1077
1078struct opt_group *opt_group_from_mask(unsigned int *mask)
1079{
1080 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1081}
1082
1083static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA		 1084 {
1085 .name = "Latency profiling",
1086 .mask = FIO_OPT_G_LATPROF,
1087 },
9af4a244 1088 {
e8b0e958
JA		 1089 .name = "Rate",
1090 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1091 },
1092 {
e8b0e958
JA		 1093 .name = "Zone",
1094 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1095 },
1096 {
e8b0e958
JA		 1097 .name = "Read/write mix",
1098 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1099 },
1100 {
1101 .name = "Verify",
1102 .mask = FIO_OPT_G_VERIFY,
1103 },
1104 {
e8b0e958
JA		 1105 .name = "Trim",
1106 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1107 },
1108 {
e8b0e958
JA		 1109 .name = "I/O Logging",
1110 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1111 },
1112 {
e8b0e958
JA		 1113 .name = "I/O Depth",
1114 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1115 },
1116 {
e8b0e958
JA		 1117 .name = "I/O Flow",
1118 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1119 },
0626037e
JA		 1120 {
1121 .name = "Description",
1122 .mask = FIO_OPT_G_DESC,
1123 },
1124 {
1125 .name = "Filename",
1126 .mask = FIO_OPT_G_FILENAME,
1127 },
1128 {
1129 .name = "General I/O",
1130 .mask = FIO_OPT_G_IO_BASIC,
1131 },
a1f6afec
JA		 1132 {
1133 .name = "Cgroups",
1134 .mask = FIO_OPT_G_CGROUP,
1135 },
1136 {
1137 .name = "Runtime",
1138 .mask = FIO_OPT_G_RUNTIME,
1139 },
10860056
JA		 1140 {
1141 .name = "Process",
1142 .mask = FIO_OPT_G_PROCESS,
1143 },
1144 {
1145 .name = "Job credentials / priority",
1146 .mask = FIO_OPT_G_CRED,
1147 },
1148 {
1149 .name = "Clock settings",
1150 .mask = FIO_OPT_G_CLOCK,
1151 },
3ceb458f
JA		 1152 {
1153 .name = "I/O Type",
1154 .mask = FIO_OPT_G_IO_TYPE,
1155 },
1156 {
1157 .name = "I/O Thinktime",
1158 .mask = FIO_OPT_G_THINKTIME,
1159 },
1160 {
1161 .name = "Randomizations",
1162 .mask = FIO_OPT_G_RANDOM,
1163 },
1164 {
1165 .name = "I/O buffers",
1166 .mask = FIO_OPT_G_IO_BUF,
1167 },
13fca827
JA		 1168 {
1169 .name = "Tiobench profile",
1170 .mask = FIO_OPT_G_TIOBENCH,
1171 },
1172
9af4a244
JA		 1173 {
1174 .name = NULL,
e8b0e958 1175 }
9af4a244
JA		 1176};
1177
e8b0e958 1178struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1179{
e8b0e958 1180 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1181}
1182
214e1eca
JA		 1183/*
1184 * Map of job/command line options
1185 */
9af4a244 1186struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1187 {
1188 .name = "description",
e8b0e958 1189 .lname = "Description of job",
214e1eca
JA		 1190 .type = FIO_OPT_STR_STORE,
1191 .off1 = td_var_offset(description),
1192 .help = "Text job description",
e8b0e958 1193 .category = FIO_OPT_C_GENERAL,
0626037e 1194 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1195 },
1196 {
1197 .name = "name",
e8b0e958 1198 .lname = "Job name",
214e1eca
JA		 1199 .type = FIO_OPT_STR_STORE,
1200 .off1 = td_var_offset(name),
1201 .help = "Name of this job",
e8b0e958 1202 .category = FIO_OPT_C_GENERAL,
0626037e 1203 .group = FIO_OPT_G_DESC,
214e1eca 1204 },
214e1eca
JA		 1205 {
1206 .name = "filename",
e8b0e958 1207 .lname = "Filename(s)",
214e1eca
JA		 1208 .type = FIO_OPT_STR_STORE,
1209 .off1 = td_var_offset(filename),
1210 .cb = str_filename_cb,
f0d524b0 1211 .prio = -1, /* must come after "directory" */
214e1eca 1212 .help = "File(s) to use for the workload",
e8b0e958 1213 .category = FIO_OPT_C_FILE,
0626037e 1214 .group = FIO_OPT_G_FILENAME,
214e1eca 1215 },
90fef2d1 1216 {
e8b0e958
JA		 1217 .name = "directory",
1218 .lname = "Directory",
1219 .type = FIO_OPT_STR_STORE,
1220 .off1 = td_var_offset(directory),
1221 .cb = str_directory_cb,
1222 .help = "Directory to store files in",
1223 .category = FIO_OPT_C_FILE,
0626037e 1224 .group = FIO_OPT_G_FILENAME,
90fef2d1 1225 },
de98bd30
JA		 1226 {
1227 .name = "filename_format",
1228 .type = FIO_OPT_STR_STORE,
1229 .off1 = td_var_offset(filename_format),
1230 .prio = -1, /* must come after "directory" */
1231 .help = "Override default $jobname.$jobnum.$filenum naming",
1232 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1233 .category = FIO_OPT_C_FILE,
1234 .group = FIO_OPT_G_FILENAME,
ad705bcb 1235 },
29c1349f
JA		 1236 {
1237 .name = "lockfile",
e8b0e958 1238 .lname = "Lockfile",
4d4e80f2 1239 .type = FIO_OPT_STR,
4d4e80f2 1240 .off1 = td_var_offset(file_lock_mode),
29c1349f 1241 .help = "Lock file when doing IO to it",
bc6a0a5d 1242 .prio = 1,
29c1349f 1243 .parent = "filename",
d71c154c 1244 .hide = 0,
4d4e80f2 1245 .def = "none",
f2a2803a 1246 .cb = str_lockfile_cb,
e8b0e958 1247 .category = FIO_OPT_C_FILE,
0626037e 1248 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1249 .posval = {
1250 { .ival = "none",
1251 .oval = FILE_LOCK_NONE,
1252 .help = "No file locking",
1253 },
1254 { .ival = "exclusive",
1255 .oval = FILE_LOCK_EXCLUSIVE,
1256 .help = "Exclusive file lock",
1257 },
1258 {
1259 .ival = "readwrite",
1260 .oval = FILE_LOCK_READWRITE,
1261 .help = "Read vs write lock",
1262 },
1263 },
29c1349f 1264 },
214e1eca
JA		 1265 {
1266 .name = "opendir",
e8b0e958 1267 .lname = "Open directory",
214e1eca
JA		 1268 .type = FIO_OPT_STR_STORE,
1269 .off1 = td_var_offset(opendir),
1270 .cb = str_opendir_cb,
1271 .help = "Recursively add files from this directory and down",
e8b0e958 1272 .category = FIO_OPT_C_FILE,
0626037e 1273 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1274 },
1275 {
1276 .name = "rw",
e8b0e958 1277 .lname = "Read/write",
d3aad8f2 1278 .alias = "readwrite",
214e1eca 1279 .type = FIO_OPT_STR,
211097b2 1280 .cb = str_rw_cb,
214e1eca
JA		 1281 .off1 = td_var_offset(td_ddir),
1282 .help = "IO direction",
1283 .def = "read",
896cac2a 1284 .verify = rw_verify,
e8b0e958 1285 .category = FIO_OPT_C_IO,
0626037e 1286 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1287 .posval = {
1288 { .ival = "read",
1289 .oval = TD_DDIR_READ,
1290 .help = "Sequential read",
1291 },
1292 { .ival = "write",
1293 .oval = TD_DDIR_WRITE,
1294 .help = "Sequential write",
1295 },
6eaf09d6
SL		 1296 { .ival = "trim",
1297 .oval = TD_DDIR_TRIM,
1298 .help = "Sequential trim",
1299 },
214e1eca
JA		 1300 { .ival = "randread",
1301 .oval = TD_DDIR_RANDREAD,
1302 .help = "Random read",
1303 },
1304 { .ival = "randwrite",
1305 .oval = TD_DDIR_RANDWRITE,
1306 .help = "Random write",
1307 },
6eaf09d6
SL		 1308 { .ival = "randtrim",
1309 .oval = TD_DDIR_RANDTRIM,
1310 .help = "Random trim",
1311 },
214e1eca
JA		 1312 { .ival = "rw",
1313 .oval = TD_DDIR_RW,
1314 .help = "Sequential read and write mix",
1315 },
10b023db
JA		 1316 { .ival = "readwrite",
1317 .oval = TD_DDIR_RW,
1318 .help = "Sequential read and write mix",
1319 },
214e1eca
JA		 1320 { .ival = "randrw",
1321 .oval = TD_DDIR_RANDRW,
1322 .help = "Random read and write mix"
1323 },
1324 },
1325 },
38dad62d
JA		 1326 {
1327 .name = "rw_sequencer",
e8b0e958 1328 .lname = "RW Sequencer",
38dad62d
JA		 1329 .type = FIO_OPT_STR,
1330 .off1 = td_var_offset(rw_seq),
1331 .help = "IO offset generator modifier",
1332 .def = "sequential",
e8b0e958 1333 .category = FIO_OPT_C_IO,
0626037e 1334 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1335 .posval = {
1336 { .ival = "sequential",
1337 .oval = RW_SEQ_SEQ,
1338 .help = "Generate sequential offsets",
1339 },
1340 { .ival = "identical",
1341 .oval = RW_SEQ_IDENT,
1342 .help = "Generate identical offsets",
1343 },
1344 },
1345 },
1346
214e1eca
JA		 1347 {
1348 .name = "ioengine",
e8b0e958 1349 .lname = "IO Engine",
214e1eca
JA		 1350 .type = FIO_OPT_STR_STORE,
1351 .off1 = td_var_offset(ioengine),
1352 .help = "IO engine to use",
58483fa4 1353 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1354 .category = FIO_OPT_C_IO,
0626037e 1355 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1356 .posval = {
1357 { .ival = "sync",
1358 .help = "Use read/write",
1359 },
a31041ea 1360 { .ival = "psync",
1361 .help = "Use pread/pwrite",
1362 },
1d2af02a 1363 { .ival = "vsync",
03e20d68 1364 .help = "Use readv/writev",
1d2af02a 1365 },
07fc0acd
JA		 1366#ifdef CONFIG_PWRITEV
1367 { .ival = "pvsync",
1368 .help = "Use preadv/pwritev",
1369 },
1370#endif
67bf9823 1371#ifdef CONFIG_LIBAIO
214e1eca
JA		 1372 { .ival = "libaio",
1373 .help = "Linux native asynchronous IO",
1374 },
1375#endif
67bf9823 1376#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1377 { .ival = "posixaio",
1378 .help = "POSIX asynchronous IO",
1379 },
417f0068 1380#endif
997843cb 1381#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1382 { .ival = "solarisaio",
1383 .help = "Solaris native asynchronous IO",
1384 },
214e1eca 1385#endif
4700b234 1386#ifdef CONFIG_WINDOWSAIO
03e20d68 1387 { .ival = "windowsaio",
3be80071 1388 .help = "Windows native asynchronous IO"
de890a1e 1389 },
fc5c0345
DG		 1390#endif
1391#ifdef CONFIG_RBD
1392 { .ival = "rbd",
1393 .help = "Rados Block Device asynchronous IO"
1394 },
3be80071 1395#endif
214e1eca 1396 { .ival = "mmap",
03e20d68 1397 .help = "Memory mapped IO"
214e1eca 1398 },
67bf9823 1399#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1400 { .ival = "splice",
1401 .help = "splice/vmsplice based IO",
1402 },
9cce02e8
JA		 1403 { .ival = "netsplice",
1404 .help = "splice/vmsplice to/from the network",
1405 },
214e1eca
JA		 1406#endif
1407#ifdef FIO_HAVE_SGIO
1408 { .ival = "sg",
1409 .help = "SCSI generic v3 IO",
1410 },
1411#endif
1412 { .ival = "null",
1413 .help = "Testing engine (no data transfer)",
1414 },
1415 { .ival = "net",
1416 .help = "Network IO",
1417 },
214e1eca 1418 { .ival = "cpuio",
03e20d68 1419 .help = "CPU cycle burner engine",
214e1eca 1420 },
67bf9823 1421#ifdef CONFIG_GUASI
b8c82a46
JA		 1422 { .ival = "guasi",
1423 .help = "GUASI IO engine",
1424 },
79a43187
JA		 1425#endif
1426#ifdef FIO_HAVE_BINJECT
1427 { .ival = "binject",
1428 .help = "binject direct inject block engine",
1429 },
21b8aee8 1430#endif
67bf9823 1431#ifdef CONFIG_RDMA
21b8aee8 1432 { .ival = "rdma",
1433 .help = "RDMA IO engine",
1434 },
8200b8c7 1435#endif
67bf9823 1436#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1437 { .ival = "fusion-aw-sync",
1438 .help = "Fusion-io atomic write engine",
1439 },
1ecc95ca 1440#endif
997843cb 1441#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1442 { .ival = "e4defrag",
1443 .help = "ext4 defrag engine",
1444 },
1445#endif
997843cb 1446#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1447 { .ival = "falloc",
1448 .help = "fallocate() file based engine",
1449 },
b8c82a46 1450#endif
214e1eca
JA		 1451 { .ival = "external",
1452 .help = "Load external engine (append name)",
1453 },
1454 },
1455 },
1456 {
1457 .name = "iodepth",
e8b0e958 1458 .lname = "IO Depth",
214e1eca
JA		 1459 .type = FIO_OPT_INT,
1460 .off1 = td_var_offset(iodepth),
03e20d68 1461 .help = "Number of IO buffers to keep in flight",
757aff4f 1462 .minval = 1,
20eb06bd 1463 .interval = 1,
214e1eca 1464 .def = "1",
e8b0e958 1465 .category = FIO_OPT_C_IO,
0626037e 1466 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1467 },
1468 {
1469 .name = "iodepth_batch",
e8b0e958 1470 .lname = "IO Depth batch",
4950421a 1471 .alias = "iodepth_batch_submit",
214e1eca
JA		 1472 .type = FIO_OPT_INT,
1473 .off1 = td_var_offset(iodepth_batch),
d65db441 1474 .help = "Number of IO buffers to submit in one go",
afdf9352 1475 .parent = "iodepth",
d71c154c 1476 .hide = 1,
a2e6f8ac 1477 .minval = 1,
20eb06bd 1478 .interval = 1,
a2e6f8ac 1479 .def = "1",
e8b0e958 1480 .category = FIO_OPT_C_IO,
0626037e 1481 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1482 },
1483 {
1484 .name = "iodepth_batch_complete",
e8b0e958 1485 .lname = "IO Depth batch complete",
4950421a
JA		 1486 .type = FIO_OPT_INT,
1487 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1488 .help = "Number of IO buffers to retrieve in one go",
4950421a 1489 .parent = "iodepth",
d71c154c 1490 .hide = 1,
4950421a 1491 .minval = 0,
20eb06bd 1492 .interval = 1,
4950421a 1493 .def = "1",
e8b0e958 1494 .category = FIO_OPT_C_IO,
0626037e 1495 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1496 },
1497 {
1498 .name = "iodepth_low",
e8b0e958 1499 .lname = "IO Depth batch low",
214e1eca
JA		 1500 .type = FIO_OPT_INT,
1501 .off1 = td_var_offset(iodepth_low),
1502 .help = "Low water mark for queuing depth",
afdf9352 1503 .parent = "iodepth",
d71c154c 1504 .hide = 1,
20eb06bd 1505 .interval = 1,
e8b0e958 1506 .category = FIO_OPT_C_IO,
0626037e 1507 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1508 },
1509 {
1510 .name = "size",
e8b0e958 1511 .lname = "Size",
214e1eca 1512 .type = FIO_OPT_STR_VAL,
7bb59102 1513 .cb = str_size_cb,
214e1eca 1514 .help = "Total size of device or files",
20eb06bd 1515 .interval = 1024 * 1024,
e8b0e958
JA		 1516 .category = FIO_OPT_C_IO,
1517 .group = FIO_OPT_G_INVALID,
214e1eca 1518 },
aa31f1f1
SL		 1519 {
1520 .name = "fill_device",
e8b0e958 1521 .lname = "Fill device",
74586c1e 1522 .alias = "fill_fs",
aa31f1f1
SL		 1523 .type = FIO_OPT_BOOL,
1524 .off1 = td_var_offset(fill_device),
1525 .help = "Write until an ENOSPC error occurs",
1526 .def = "0",
e8b0e958
JA		 1527 .category = FIO_OPT_C_FILE,
1528 .group = FIO_OPT_G_INVALID,
aa31f1f1 1529 },
214e1eca
JA		 1530 {
1531 .name = "filesize",
e8b0e958 1532 .lname = "File size",
214e1eca
JA		 1533 .type = FIO_OPT_STR_VAL,
1534 .off1 = td_var_offset(file_size_low),
1535 .off2 = td_var_offset(file_size_high),
c3edbdba 1536 .minval = 1,
214e1eca 1537 .help = "Size of individual files",
20eb06bd 1538 .interval = 1024 * 1024,
e8b0e958
JA		 1539 .category = FIO_OPT_C_FILE,
1540 .group = FIO_OPT_G_INVALID,
214e1eca 1541 },
67a1000f
JA		 1542 {
1543 .name = "offset",
e8b0e958 1544 .lname = "IO offset",
67a1000f
JA		 1545 .alias = "fileoffset",
1546 .type = FIO_OPT_STR_VAL,
1547 .off1 = td_var_offset(start_offset),
1548 .help = "Start IO from this offset",
1549 .def = "0",
20eb06bd 1550 .interval = 1024 * 1024,
e8b0e958
JA		 1551 .category = FIO_OPT_C_IO,
1552 .group = FIO_OPT_G_INVALID,
67a1000f 1553 },
2d7cd868
JA		 1554 {
1555 .name = "offset_increment",
e8b0e958 1556 .lname = "IO offset increment",
2d7cd868
JA		 1557 .type = FIO_OPT_STR_VAL,
1558 .off1 = td_var_offset(offset_increment),
1559 .help = "What is the increment from one offset to the next",
1560 .parent = "offset",
d71c154c 1561 .hide = 1,
2d7cd868 1562 .def = "0",
20eb06bd 1563 .interval = 1024 * 1024,
e8b0e958
JA		 1564 .category = FIO_OPT_C_IO,
1565 .group = FIO_OPT_G_INVALID,
2d7cd868 1566 },
ddf24e42
JA		 1567 {
1568 .name = "number_ios",
1569 .lname = "Number of IOs to perform",
1570 .type = FIO_OPT_STR_VAL,
1571 .off1 = td_var_offset(number_ios),
1572 .help = "Force job completion of this number of IOs",
1573 .def = "0",
1574 .category = FIO_OPT_C_IO,
1575 .group = FIO_OPT_G_INVALID,
1576 },
214e1eca
JA		 1577 {
1578 .name = "bs",
e8b0e958 1579 .lname = "Block size",
d3aad8f2 1580 .alias = "blocksize",
e01b22b8 1581 .type = FIO_OPT_INT,
214e1eca
JA		 1582 .off1 = td_var_offset(bs[DDIR_READ]),
1583 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1584 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1585 .minval = 1,
214e1eca
JA		 1586 .help = "Block size unit",
1587 .def = "4k",
67a1000f 1588 .parent = "rw",
d71c154c 1589 .hide = 1,
20eb06bd 1590 .interval = 512,
e8b0e958
JA		 1591 .category = FIO_OPT_C_IO,
1592 .group = FIO_OPT_G_INVALID,
214e1eca 1593 },
2b7a01d0
JA		 1594 {
1595 .name = "ba",
e8b0e958 1596 .lname = "Block size align",
2b7a01d0 1597 .alias = "blockalign",
e01b22b8 1598 .type = FIO_OPT_INT,
2b7a01d0
JA		 1599 .off1 = td_var_offset(ba[DDIR_READ]),
1600 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1601 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1602 .minval = 1,
1603 .help = "IO block offset alignment",
1604 .parent = "rw",
d71c154c 1605 .hide = 1,
20eb06bd 1606 .interval = 512,
e8b0e958
JA		 1607 .category = FIO_OPT_C_IO,
1608 .group = FIO_OPT_G_INVALID,
2b7a01d0 1609 },
214e1eca
JA		 1610 {
1611 .name = "bsrange",
e8b0e958 1612 .lname = "Block size range",
d3aad8f2 1613 .alias = "blocksize_range",
214e1eca
JA		 1614 .type = FIO_OPT_RANGE,
1615 .off1 = td_var_offset(min_bs[DDIR_READ]),
1616 .off2 = td_var_offset(max_bs[DDIR_READ]),
1617 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1618 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1619 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1620 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1621 .minval = 1,
214e1eca 1622 .help = "Set block size range (in more detail than bs)",
67a1000f 1623 .parent = "rw",
d71c154c 1624 .hide = 1,
20eb06bd 1625 .interval = 4096,
e8b0e958
JA		 1626 .category = FIO_OPT_C_IO,
1627 .group = FIO_OPT_G_INVALID,
214e1eca 1628 },
564ca972
JA		 1629 {
1630 .name = "bssplit",
e8b0e958 1631 .lname = "Block size split",
564ca972
JA		 1632 .type = FIO_OPT_STR,
1633 .cb = str_bssplit_cb,
1634 .help = "Set a specific mix of block sizes",
1635 .parent = "rw",
d71c154c 1636 .hide = 1,
e8b0e958
JA		 1637 .category = FIO_OPT_C_IO,
1638 .group = FIO_OPT_G_INVALID,
564ca972 1639 },
214e1eca
JA		 1640 {
1641 .name = "bs_unaligned",
e8b0e958 1642 .lname = "Block size unaligned",
d3aad8f2 1643 .alias = "blocksize_unaligned",
214e1eca
JA		 1644 .type = FIO_OPT_STR_SET,
1645 .off1 = td_var_offset(bs_unaligned),
1646 .help = "Don't sector align IO buffer sizes",
67a1000f 1647 .parent = "rw",
d71c154c 1648 .hide = 1,
e8b0e958
JA		 1649 .category = FIO_OPT_C_IO,
1650 .group = FIO_OPT_G_INVALID,
214e1eca 1651 },
6aca9b3d
JA		 1652 {
1653 .name = "bs_is_seq_rand",
1654 .lname = "Block size division is seq/random (not read/write)",
1655 .type = FIO_OPT_BOOL,
1656 .off1 = td_var_offset(bs_is_seq_rand),
1657 .help = "Consider any blocksize setting to be sequential,ramdom",
1658 .def = "0",
1659 .parent = "blocksize",
1660 .category = FIO_OPT_C_IO,
1661 .group = FIO_OPT_G_INVALID,
1662 },
214e1eca
JA		 1663 {
1664 .name = "randrepeat",
e8b0e958 1665 .lname = "Random repeatable",
214e1eca
JA		 1666 .type = FIO_OPT_BOOL,
1667 .off1 = td_var_offset(rand_repeatable),
1668 .help = "Use repeatable random IO pattern",
1669 .def = "1",
67a1000f 1670 .parent = "rw",
d71c154c 1671 .hide = 1,
e8b0e958 1672 .category = FIO_OPT_C_IO,
3ceb458f 1673 .group = FIO_OPT_G_RANDOM,
214e1eca 1674 },
04778baf
JA		 1675 {
1676 .name = "randseed",
1677 .lname = "The random generator seed",
363cffa7 1678 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1679 .off1 = td_var_offset(rand_seed),
1680 .help = "Set the random generator seed value",
1681 .parent = "rw",
1682 .category = FIO_OPT_C_IO,
1683 .group = FIO_OPT_G_RANDOM,
1684 },
2615cc4b
JA		 1685 {
1686 .name = "use_os_rand",
e8b0e958 1687 .lname = "Use OS random",
2615cc4b
JA		 1688 .type = FIO_OPT_BOOL,
1689 .off1 = td_var_offset(use_os_rand),
1690 .help = "Set to use OS random generator",
1691 .def = "0",
1692 .parent = "rw",
d71c154c 1693 .hide = 1,
e8b0e958 1694 .category = FIO_OPT_C_IO,
3ceb458f 1695 .group = FIO_OPT_G_RANDOM,
2615cc4b 1696 },
214e1eca
JA		 1697 {
1698 .name = "norandommap",
e8b0e958 1699 .lname = "No randommap",
214e1eca
JA		 1700 .type = FIO_OPT_STR_SET,
1701 .off1 = td_var_offset(norandommap),
1702 .help = "Accept potential duplicate random blocks",
67a1000f 1703 .parent = "rw",
d71c154c 1704 .hide = 1,
b2452a43 1705 .hide_on_set = 1,
e8b0e958 1706 .category = FIO_OPT_C_IO,
3ceb458f 1707 .group = FIO_OPT_G_RANDOM,
214e1eca 1708 },
2b386d25
JA		 1709 {
1710 .name = "softrandommap",
e8b0e958 1711 .lname = "Soft randommap",
2b386d25
JA		 1712 .type = FIO_OPT_BOOL,
1713 .off1 = td_var_offset(softrandommap),
f66ab3c8 1714 .help = "Set norandommap if randommap allocation fails",
2b386d25 1715 .parent = "norandommap",
d71c154c 1716 .hide = 1,
2b386d25 1717 .def = "0",
e8b0e958 1718 .category = FIO_OPT_C_IO,
3ceb458f 1719 .group = FIO_OPT_G_RANDOM,
2b386d25 1720 },
8055e41d
JA		 1721 {
1722 .name = "random_generator",
1723 .type = FIO_OPT_STR,
1724 .off1 = td_var_offset(random_generator),
1725 .help = "Type of random number generator to use",
1726 .def = "tausworthe",
1727 .posval = {
1728 { .ival = "tausworthe",
1729 .oval = FIO_RAND_GEN_TAUSWORTHE,
1730 .help = "Strong Tausworthe generator",
1731 },
1732 { .ival = "lfsr",
1733 .oval = FIO_RAND_GEN_LFSR,
1734 .help = "Variable length LFSR",
1735 },
1736 },
48107598
JA		 1737 .category = FIO_OPT_C_IO,
1738 .group = FIO_OPT_G_RANDOM,
8055e41d 1739 },
e25839d4
JA		 1740 {
1741 .name = "random_distribution",
1742 .type = FIO_OPT_STR,
1743 .off1 = td_var_offset(random_distribution),
1744 .cb = str_random_distribution_cb,
1745 .help = "Random offset distribution generator",
1746 .def = "random",
1747 .posval = {
1748 { .ival = "random",
1749 .oval = FIO_RAND_DIST_RANDOM,
1750 .help = "Completely random",
1751 },
1752 { .ival = "zipf",
1753 .oval = FIO_RAND_DIST_ZIPF,
1754 .help = "Zipf distribution",
1755 },
925fee33
JA		 1756 { .ival = "pareto",
1757 .oval = FIO_RAND_DIST_PARETO,
1758 .help = "Pareto distribution",
1759 },
e25839d4 1760 },
48107598
JA		 1761 .category = FIO_OPT_C_IO,
1762 .group = FIO_OPT_G_RANDOM,
e25839d4 1763 },
211c9b89
JA		 1764 {
1765 .name = "percentage_random",
1766 .lname = "Percentage Random",
1767 .type = FIO_OPT_INT,
d9472271
JA		 1768 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1769 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1770 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1771 .maxval = 100,
1772 .help = "Percentage of seq/random mix that should be random",
d9472271 1773 .def = "100,100,100",
211c9b89
JA		 1774 .interval = 5,
1775 .inverse = "percentage_sequential",
1776 .category = FIO_OPT_C_IO,
1777 .group = FIO_OPT_G_RANDOM,
1778 },
1779 {
1780 .name = "percentage_sequential",
1781 .lname = "Percentage Sequential",
d9472271 1782 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1783 .category = FIO_OPT_C_IO,
1784 .group = FIO_OPT_G_RANDOM,
1785 },
56e2a5fc
CE		 1786 {
1787 .name = "allrandrepeat",
1788 .type = FIO_OPT_BOOL,
1789 .off1 = td_var_offset(allrand_repeatable),
1790 .help = "Use repeatable random numbers for everything",
1791 .def = "0",
1792 },
214e1eca
JA		 1793 {
1794 .name = "nrfiles",
e8b0e958 1795 .lname = "Number of files",
d7c8be03 1796 .alias = "nr_files",
214e1eca
JA		 1797 .type = FIO_OPT_INT,
1798 .off1 = td_var_offset(nr_files),
1799 .help = "Split job workload between this number of files",
1800 .def = "1",
20eb06bd 1801 .interval = 1,
e8b0e958
JA		 1802 .category = FIO_OPT_C_FILE,
1803 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1804 },
1805 {
1806 .name = "openfiles",
e8b0e958 1807 .lname = "Number of open files",
214e1eca
JA		 1808 .type = FIO_OPT_INT,
1809 .off1 = td_var_offset(open_files),
1810 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1811 .category = FIO_OPT_C_FILE,
1812 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1813 },
1814 {
1815 .name = "file_service_type",
e8b0e958 1816 .lname = "File service type",
214e1eca
JA		 1817 .type = FIO_OPT_STR,
1818 .cb = str_fst_cb,
1819 .off1 = td_var_offset(file_service_type),
1820 .help = "How to select which file to service next",
1821 .def = "roundrobin",
e8b0e958
JA		 1822 .category = FIO_OPT_C_FILE,
1823 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1824 .posval = {
1825 { .ival = "random",
1826 .oval = FIO_FSERVICE_RANDOM,
1827 .help = "Choose a file at random",
1828 },
1829 { .ival = "roundrobin",
1830 .oval = FIO_FSERVICE_RR,
1831 .help = "Round robin select files",
1832 },
a086c257
JA		 1833 { .ival = "sequential",
1834 .oval = FIO_FSERVICE_SEQ,
1835 .help = "Finish one file before moving to the next",
1836 },
214e1eca 1837 },
67a1000f 1838 .parent = "nrfiles",
d71c154c 1839 .hide = 1,
67a1000f 1840 },
97ac992c 1841#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 1842 {
1843 .name = "fallocate",
e8b0e958 1844 .lname = "Fallocate",
a596f047
EG		 1845 .type = FIO_OPT_STR,
1846 .off1 = td_var_offset(fallocate_mode),
1847 .help = "Whether pre-allocation is performed when laying out files",
1848 .def = "posix",
e8b0e958
JA		 1849 .category = FIO_OPT_C_FILE,
1850 .group = FIO_OPT_G_INVALID,
a596f047
EG		 1851 .posval = {
1852 { .ival = "none",
1853 .oval = FIO_FALLOCATE_NONE,
1854 .help = "Do not pre-allocate space",
1855 },
1856 { .ival = "posix",
1857 .oval = FIO_FALLOCATE_POSIX,
1858 .help = "Use posix_fallocate()",
1859 },
97ac992c 1860#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 1861 { .ival = "keep",
1862 .oval = FIO_FALLOCATE_KEEP_SIZE,
1863 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1864 },
7bc8c2cf 1865#endif
a596f047
EG		 1866 /* Compatibility with former boolean values */
1867 { .ival = "0",
1868 .oval = FIO_FALLOCATE_NONE,
1869 .help = "Alias for 'none'",
1870 },
1871 { .ival = "1",
1872 .oval = FIO_FALLOCATE_POSIX,
1873 .help = "Alias for 'posix'",
1874 },
1875 },
1876 },
97ac992c 1877#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 1878 {
1879 .name = "fadvise_hint",
e8b0e958 1880 .lname = "Fadvise hint",
67a1000f
JA		 1881 .type = FIO_OPT_BOOL,
1882 .off1 = td_var_offset(fadvise_hint),
1883 .help = "Use fadvise() to advise the kernel on IO pattern",
1884 .def = "1",
e8b0e958
JA		 1885 .category = FIO_OPT_C_FILE,
1886 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1887 },
1888 {
1889 .name = "fsync",
e8b0e958 1890 .lname = "Fsync",
214e1eca
JA		 1891 .type = FIO_OPT_INT,
1892 .off1 = td_var_offset(fsync_blocks),
1893 .help = "Issue fsync for writes every given number of blocks",
1894 .def = "0",
20eb06bd 1895 .interval = 1,
e8b0e958
JA		 1896 .category = FIO_OPT_C_FILE,
1897 .group = FIO_OPT_G_INVALID,
214e1eca 1898 },
5f9099ea
JA		 1899 {
1900 .name = "fdatasync",
e8b0e958 1901 .lname = "Fdatasync",
5f9099ea
JA		 1902 .type = FIO_OPT_INT,
1903 .off1 = td_var_offset(fdatasync_blocks),
1904 .help = "Issue fdatasync for writes every given number of blocks",
1905 .def = "0",
20eb06bd 1906 .interval = 1,
e8b0e958
JA		 1907 .category = FIO_OPT_C_FILE,
1908 .group = FIO_OPT_G_INVALID,
5f9099ea 1909 },
1ef2b6be
JA		 1910 {
1911 .name = "write_barrier",
e8b0e958 1912 .lname = "Write barrier",
1ef2b6be
JA		 1913 .type = FIO_OPT_INT,
1914 .off1 = td_var_offset(barrier_blocks),
1915 .help = "Make every Nth write a barrier write",
1916 .def = "0",
20eb06bd 1917 .interval = 1,
e8b0e958
JA		 1918 .category = FIO_OPT_C_IO,
1919 .group = FIO_OPT_G_INVALID,
1ef2b6be 1920 },
67bf9823 1921#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 1922 {
1923 .name = "sync_file_range",
e8b0e958 1924 .lname = "Sync file range",
44f29692
JA		 1925 .posval = {
1926 { .ival = "wait_before",
1927 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
1928 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 1929 .orval = 1,
44f29692
JA		 1930 },
1931 { .ival = "write",
1932 .oval = SYNC_FILE_RANGE_WRITE,
1933 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 1934 .orval = 1,
44f29692
JA		 1935 },
1936 {
1937 .ival = "wait_after",
1938 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
1939 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 1940 .orval = 1,
44f29692
JA		 1941 },
1942 },
3843deb3 1943 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 1944 .cb = str_sfr_cb,
1945 .off1 = td_var_offset(sync_file_range),
1946 .help = "Use sync_file_range()",
e8b0e958
JA		 1947 .category = FIO_OPT_C_FILE,
1948 .group = FIO_OPT_G_INVALID,
44f29692
JA		 1949 },
1950#endif
214e1eca
JA		 1951 {
1952 .name = "direct",
e8b0e958 1953 .lname = "Direct I/O",
214e1eca
JA		 1954 .type = FIO_OPT_BOOL,
1955 .off1 = td_var_offset(odirect),
1956 .help = "Use O_DIRECT IO (negates buffered)",
1957 .def = "0",
a01a1bc5 1958 .inverse = "buffered",
e8b0e958 1959 .category = FIO_OPT_C_IO,
3ceb458f 1960 .group = FIO_OPT_G_IO_TYPE,
214e1eca 1961 },
d01612f3
CM		 1962 {
1963 .name = "atomic",
1964 .lname = "Atomic I/O",
1965 .type = FIO_OPT_BOOL,
1966 .off1 = td_var_offset(oatomic),
1967 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
1968 .def = "0",
1969 .category = FIO_OPT_C_IO,
1970 .group = FIO_OPT_G_IO_TYPE,
1971 },
214e1eca
JA		 1972 {
1973 .name = "buffered",
e8b0e958 1974 .lname = "Buffered I/O",
214e1eca
JA		 1975 .type = FIO_OPT_BOOL,
1976 .off1 = td_var_offset(odirect),
1977 .neg = 1,
1978 .help = "Use buffered IO (negates direct)",
1979 .def = "1",
a01a1bc5 1980 .inverse = "direct",
e8b0e958 1981 .category = FIO_OPT_C_IO,
3ceb458f 1982 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 1983 },
1984 {
1985 .name = "overwrite",
e8b0e958 1986 .lname = "Overwrite",
214e1eca
JA		 1987 .type = FIO_OPT_BOOL,
1988 .off1 = td_var_offset(overwrite),
1989 .help = "When writing, set whether to overwrite current data",
1990 .def = "0",
e8b0e958
JA		 1991 .category = FIO_OPT_C_FILE,
1992 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1993 },
1994 {
1995 .name = "loops",
e8b0e958 1996 .lname = "Loops",
214e1eca
JA		 1997 .type = FIO_OPT_INT,
1998 .off1 = td_var_offset(loops),
1999 .help = "Number of times to run the job",
2000 .def = "1",
20eb06bd 2001 .interval = 1,
e8b0e958 2002 .category = FIO_OPT_C_GENERAL,
a1f6afec 2003 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2004 },
2005 {
2006 .name = "numjobs",
e8b0e958 2007 .lname = "Number of jobs",
214e1eca
JA		 2008 .type = FIO_OPT_INT,
2009 .off1 = td_var_offset(numjobs),
2010 .help = "Duplicate this job this many times",
2011 .def = "1",
20eb06bd 2012 .interval = 1,
e8b0e958 2013 .category = FIO_OPT_C_GENERAL,
a1f6afec 2014 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2015 },
2016 {
2017 .name = "startdelay",
e8b0e958 2018 .lname = "Start delay",
a5737c93 2019 .type = FIO_OPT_STR_VAL_TIME,
214e1eca
JA		 2020 .off1 = td_var_offset(start_delay),
2021 .help = "Only start job when this period has passed",
2022 .def = "0",
e8b0e958 2023 .category = FIO_OPT_C_GENERAL,
a1f6afec 2024 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2025 },
2026 {
2027 .name = "runtime",
e8b0e958 2028 .lname = "Runtime",
214e1eca
JA		 2029 .alias = "timeout",
2030 .type = FIO_OPT_STR_VAL_TIME,
2031 .off1 = td_var_offset(timeout),
2032 .help = "Stop workload when this amount of time has passed",
2033 .def = "0",
e8b0e958 2034 .category = FIO_OPT_C_GENERAL,
a1f6afec 2035 .group = FIO_OPT_G_RUNTIME,
214e1eca 2036 },
cf4464ca
JA		 2037 {
2038 .name = "time_based",
e8b0e958 2039 .lname = "Time based",
cf4464ca
JA		 2040 .type = FIO_OPT_STR_SET,
2041 .off1 = td_var_offset(time_based),
2042 .help = "Keep running until runtime/timeout is met",
e8b0e958 2043 .category = FIO_OPT_C_GENERAL,
a1f6afec 2044 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2045 },
62167762
JC		 2046 {
2047 .name = "verify_only",
2048 .lname = "Verify only",
2049 .type = FIO_OPT_STR_SET,
2050 .off1 = td_var_offset(verify_only),
2051 .help = "Verifies previously written data is still valid",
2052 .category = FIO_OPT_C_GENERAL,
2053 .group = FIO_OPT_G_RUNTIME,
2054 },
721938ae
JA		 2055 {
2056 .name = "ramp_time",
e8b0e958 2057 .lname = "Ramp time",
721938ae
JA		 2058 .type = FIO_OPT_STR_VAL_TIME,
2059 .off1 = td_var_offset(ramp_time),
2060 .help = "Ramp up time before measuring performance",
e8b0e958 2061 .category = FIO_OPT_C_GENERAL,
a1f6afec 2062 .group = FIO_OPT_G_RUNTIME,
721938ae 2063 },
c223da83
JA		 2064 {
2065 .name = "clocksource",
e8b0e958 2066 .lname = "Clock source",
c223da83
JA		 2067 .type = FIO_OPT_STR,
2068 .cb = fio_clock_source_cb,
2069 .off1 = td_var_offset(clocksource),
2070 .help = "What type of timing source to use",
e8b0e958 2071 .category = FIO_OPT_C_GENERAL,
10860056 2072 .group = FIO_OPT_G_CLOCK,
c223da83 2073 .posval = {
67bf9823 2074#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2075 { .ival = "gettimeofday",
2076 .oval = CS_GTOD,
2077 .help = "Use gettimeofday(2) for timing",
2078 },
67bf9823
JA		 2079#endif
2080#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2081 { .ival = "clock_gettime",
2082 .oval = CS_CGETTIME,
2083 .help = "Use clock_gettime(2) for timing",
2084 },
67bf9823 2085#endif
c223da83
JA		 2086#ifdef ARCH_HAVE_CPU_CLOCK
2087 { .ival = "cpu",
2088 .oval = CS_CPUCLOCK,
2089 .help = "Use CPU private clock",
2090 },
2091#endif
2092 },
2093 },
214e1eca
JA		 2094 {
2095 .name = "mem",
d3aad8f2 2096 .alias = "iomem",
e8b0e958 2097 .lname = "I/O Memory",
214e1eca
JA		 2098 .type = FIO_OPT_STR,
2099 .cb = str_mem_cb,
2100 .off1 = td_var_offset(mem_type),
2101 .help = "Backing type for IO buffers",
2102 .def = "malloc",
e8b0e958
JA		 2103 .category = FIO_OPT_C_IO,
2104 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2105 .posval = {
2106 { .ival = "malloc",
2107 .oval = MEM_MALLOC,
2108 .help = "Use malloc(3) for IO buffers",
2109 },
37c8cdfe
JA		 2110 { .ival = "shm",
2111 .oval = MEM_SHM,
2112 .help = "Use shared memory segments for IO buffers",
2113 },
214e1eca
JA		 2114#ifdef FIO_HAVE_HUGETLB
2115 { .ival = "shmhuge",
2116 .oval = MEM_SHMHUGE,
2117 .help = "Like shm, but use huge pages",
2118 },
b370e46a 2119#endif
37c8cdfe
JA		 2120 { .ival = "mmap",
2121 .oval = MEM_MMAP,
2122 .help = "Use mmap(2) (file or anon) for IO buffers",
2123 },
214e1eca
JA		 2124#ifdef FIO_HAVE_HUGETLB
2125 { .ival = "mmaphuge",
2126 .oval = MEM_MMAPHUGE,
2127 .help = "Like mmap, but use huge pages",
2128 },
2129#endif
2130 },
2131 },
d529ee19
JA		 2132 {
2133 .name = "iomem_align",
2134 .alias = "mem_align",
e8b0e958 2135 .lname = "I/O memory alignment",
d529ee19
JA		 2136 .type = FIO_OPT_INT,
2137 .off1 = td_var_offset(mem_align),
2138 .minval = 0,
2139 .help = "IO memory buffer offset alignment",
2140 .def = "0",
2141 .parent = "iomem",
d71c154c 2142 .hide = 1,
e8b0e958
JA		 2143 .category = FIO_OPT_C_IO,
2144 .group = FIO_OPT_G_INVALID,
d529ee19 2145 },
214e1eca
JA		 2146 {
2147 .name = "verify",
e8b0e958 2148 .lname = "Verify",
214e1eca
JA		 2149 .type = FIO_OPT_STR,
2150 .off1 = td_var_offset(verify),
2151 .help = "Verify data written",
2152 .def = "0",
e8b0e958 2153 .category = FIO_OPT_C_IO,
3ceb458f 2154 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2155 .posval = {
2156 { .ival = "0",
2157 .oval = VERIFY_NONE,
2158 .help = "Don't do IO verification",
2159 },
fcca4b58
JA		 2160 { .ival = "md5",
2161 .oval = VERIFY_MD5,
2162 .help = "Use md5 checksums for verification",
2163 },
d77a7af3
JA		 2164 { .ival = "crc64",
2165 .oval = VERIFY_CRC64,
2166 .help = "Use crc64 checksums for verification",
2167 },
214e1eca
JA		 2168 { .ival = "crc32",
2169 .oval = VERIFY_CRC32,
2170 .help = "Use crc32 checksums for verification",
2171 },
af497e6a 2172 { .ival = "crc32c-intel",
e3aaafc4
JA		 2173 .oval = VERIFY_CRC32C,
2174 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2175 },
bac39e0e
JA		 2176 { .ival = "crc32c",
2177 .oval = VERIFY_CRC32C,
e3aaafc4 2178 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2179 },
969f7ed3
JA		 2180 { .ival = "crc16",
2181 .oval = VERIFY_CRC16,
2182 .help = "Use crc16 checksums for verification",
2183 },
1e154bdb
JA		 2184 { .ival = "crc7",
2185 .oval = VERIFY_CRC7,
2186 .help = "Use crc7 checksums for verification",
2187 },
7c353ceb
JA		 2188 { .ival = "sha1",
2189 .oval = VERIFY_SHA1,
2190 .help = "Use sha1 checksums for verification",
2191 },
cd14cc10
JA		 2192 { .ival = "sha256",
2193 .oval = VERIFY_SHA256,
2194 .help = "Use sha256 checksums for verification",
2195 },
2196 { .ival = "sha512",
2197 .oval = VERIFY_SHA512,
2198 .help = "Use sha512 checksums for verification",
2199 },
7437ee87
SL		 2200 { .ival = "meta",
2201 .oval = VERIFY_META,
2202 .help = "Use io information",
2203 },
36690c9b
JA		 2204 {
2205 .ival = "null",
2206 .oval = VERIFY_NULL,
2207 .help = "Pretend to verify",
2208 },
214e1eca
JA		 2209 },
2210 },
005c565a
JA		 2211 {
2212 .name = "do_verify",
e8b0e958 2213 .lname = "Perform verify step",
68e1f29a 2214 .type = FIO_OPT_BOOL,
005c565a
JA		 2215 .off1 = td_var_offset(do_verify),
2216 .help = "Run verification stage after write",
2217 .def = "1",
2218 .parent = "verify",
d71c154c 2219 .hide = 1,
e8b0e958
JA		 2220 .category = FIO_OPT_C_IO,
2221 .group = FIO_OPT_G_VERIFY,
005c565a 2222 },
160b966d
JA		 2223 {
2224 .name = "verifysort",
e8b0e958 2225 .lname = "Verify sort",
160b966d
JA		 2226 .type = FIO_OPT_BOOL,
2227 .off1 = td_var_offset(verifysort),
2228 .help = "Sort written verify blocks for read back",
2229 .def = "1",
c83f2df1 2230 .parent = "verify",
d71c154c 2231 .hide = 1,
e8b0e958
JA		 2232 .category = FIO_OPT_C_IO,
2233 .group = FIO_OPT_G_VERIFY,
160b966d 2234 },
1ae83d45
JA		 2235 {
2236 .name = "verifysort_nr",
2237 .type = FIO_OPT_INT,
2238 .off1 = td_var_offset(verifysort_nr),
2239 .help = "Pre-load and sort verify blocks for a read workload",
2240 .minval = 0,
2241 .maxval = 131072,
2242 .def = "1024",
2243 .parent = "verify",
836fcc0f
JA		 2244 .category = FIO_OPT_C_IO,
2245 .group = FIO_OPT_G_VERIFY,
1ae83d45 2246 },
3f9f4e26 2247 {
a59e170d 2248 .name = "verify_interval",
e8b0e958 2249 .lname = "Verify interval",
e01b22b8 2250 .type = FIO_OPT_INT,
a59e170d 2251 .off1 = td_var_offset(verify_interval),
819a9680 2252 .minval = 2 * sizeof(struct verify_header),
a59e170d 2253 .help = "Store verify buffer header every N bytes",
afdf9352 2254 .parent = "verify",
d71c154c 2255 .hide = 1,
20eb06bd 2256 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2257 .category = FIO_OPT_C_IO,
2258 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2259 },
546a9142 2260 {
a59e170d 2261 .name = "verify_offset",
e8b0e958 2262 .lname = "Verify offset",
e01b22b8 2263 .type = FIO_OPT_INT,
a59e170d 2264 .help = "Offset verify header location by N bytes",
203160d5
JA		 2265 .off1 = td_var_offset(verify_offset),
2266 .minval = sizeof(struct verify_header),
afdf9352 2267 .parent = "verify",
d71c154c 2268 .hide = 1,
e8b0e958
JA		 2269 .category = FIO_OPT_C_IO,
2270 .group = FIO_OPT_G_VERIFY,
546a9142 2271 },
e28218f3
SL		 2272 {
2273 .name = "verify_pattern",
e8b0e958 2274 .lname = "Verify pattern",
0e92f873 2275 .type = FIO_OPT_STR,
e28218f3
SL		 2276 .cb = str_verify_pattern_cb,
2277 .help = "Fill pattern for IO buffers",
2278 .parent = "verify",
d71c154c 2279 .hide = 1,
e8b0e958
JA		 2280 .category = FIO_OPT_C_IO,
2281 .group = FIO_OPT_G_VERIFY,
e28218f3 2282 },
a12a3b4d
JA		 2283 {
2284 .name = "verify_fatal",
e8b0e958 2285 .lname = "Verify fatal",
68e1f29a 2286 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2287 .off1 = td_var_offset(verify_fatal),
2288 .def = "0",
2289 .help = "Exit on a single verify failure, don't continue",
2290 .parent = "verify",
d71c154c 2291 .hide = 1,
e8b0e958
JA		 2292 .category = FIO_OPT_C_IO,
2293 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2294 },
b463e936
JA		 2295 {
2296 .name = "verify_dump",
e8b0e958 2297 .lname = "Verify dump",
b463e936
JA		 2298 .type = FIO_OPT_BOOL,
2299 .off1 = td_var_offset(verify_dump),
ef71e317 2300 .def = "0",
b463e936
JA		 2301 .help = "Dump contents of good and bad blocks on failure",
2302 .parent = "verify",
d71c154c 2303 .hide = 1,
e8b0e958
JA		 2304 .category = FIO_OPT_C_IO,
2305 .group = FIO_OPT_G_VERIFY,
b463e936 2306 },
e8462bd8
JA		 2307 {
2308 .name = "verify_async",
e8b0e958 2309 .lname = "Verify asynchronously",
e8462bd8
JA		 2310 .type = FIO_OPT_INT,
2311 .off1 = td_var_offset(verify_async),
2312 .def = "0",
2313 .help = "Number of async verifier threads to use",
2314 .parent = "verify",
d71c154c 2315 .hide = 1,
e8b0e958
JA		 2316 .category = FIO_OPT_C_IO,
2317 .group = FIO_OPT_G_VERIFY,
e8462bd8 2318 },
9e144189
JA		 2319 {
2320 .name = "verify_backlog",
e8b0e958 2321 .lname = "Verify backlog",
9e144189
JA		 2322 .type = FIO_OPT_STR_VAL,
2323 .off1 = td_var_offset(verify_backlog),
2324 .help = "Verify after this number of blocks are written",
2325 .parent = "verify",
d71c154c 2326 .hide = 1,
e8b0e958
JA		 2327 .category = FIO_OPT_C_IO,
2328 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2329 },
2330 {
2331 .name = "verify_backlog_batch",
e8b0e958 2332 .lname = "Verify backlog batch",
9e144189
JA		 2333 .type = FIO_OPT_INT,
2334 .off1 = td_var_offset(verify_batch),
2335 .help = "Verify this number of IO blocks",
0d29de83 2336 .parent = "verify",
d71c154c 2337 .hide = 1,
e8b0e958
JA		 2338 .category = FIO_OPT_C_IO,
2339 .group = FIO_OPT_G_VERIFY,
9e144189 2340 },
e8462bd8
JA		 2341#ifdef FIO_HAVE_CPU_AFFINITY
2342 {
2343 .name = "verify_async_cpus",
e8b0e958 2344 .lname = "Async verify CPUs",
e8462bd8
JA		 2345 .type = FIO_OPT_STR,
2346 .cb = str_verify_cpus_allowed_cb,
2347 .help = "Set CPUs allowed for async verify threads",
2348 .parent = "verify_async",
d71c154c 2349 .hide = 1,
e8b0e958
JA		 2350 .category = FIO_OPT_C_IO,
2351 .group = FIO_OPT_G_VERIFY,
e8462bd8 2352 },
0d29de83 2353#endif
51aa2da8
JA		 2354 {
2355 .name = "experimental_verify",
2356 .off1 = td_var_offset(experimental_verify),
2357 .type = FIO_OPT_BOOL,
b31eaac9 2358 .help = "Enable experimental verification",
836fcc0f
JA		 2359 .category = FIO_OPT_C_IO,
2360 .group = FIO_OPT_G_VERIFY,
51aa2da8 2361 },
0d29de83
JA		 2362#ifdef FIO_HAVE_TRIM
2363 {
2364 .name = "trim_percentage",
e8b0e958 2365 .lname = "Trim percentage",
0d29de83 2366 .type = FIO_OPT_INT,
203160d5 2367 .off1 = td_var_offset(trim_percentage),
20eb06bd 2368 .minval = 0,
0d29de83
JA		 2369 .maxval = 100,
2370 .help = "Number of verify blocks to discard/trim",
2371 .parent = "verify",
2372 .def = "0",
20eb06bd 2373 .interval = 1,
d71c154c 2374 .hide = 1,
e8b0e958
JA		 2375 .category = FIO_OPT_C_IO,
2376 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2377 },
2378 {
2379 .name = "trim_verify_zero",
e8b0e958 2380 .lname = "Verify trim zero",
20eb06bd 2381 .type = FIO_OPT_BOOL,
0d29de83
JA		 2382 .help = "Verify that trim/discarded blocks are returned as zeroes",
2383 .off1 = td_var_offset(trim_zero),
2384 .parent = "trim_percentage",
d71c154c 2385 .hide = 1,
0d29de83 2386 .def = "1",
e8b0e958
JA		 2387 .category = FIO_OPT_C_IO,
2388 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2389 },
2390 {
2391 .name = "trim_backlog",
e8b0e958 2392 .lname = "Trim backlog",
0d29de83
JA		 2393 .type = FIO_OPT_STR_VAL,
2394 .off1 = td_var_offset(trim_backlog),
2395 .help = "Trim after this number of blocks are written",
2396 .parent = "trim_percentage",
d71c154c 2397 .hide = 1,
20eb06bd 2398 .interval = 1,
e8b0e958
JA		 2399 .category = FIO_OPT_C_IO,
2400 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2401 },
2402 {
2403 .name = "trim_backlog_batch",
e8b0e958 2404 .lname = "Trim backlog batch",
0d29de83
JA		 2405 .type = FIO_OPT_INT,
2406 .off1 = td_var_offset(trim_batch),
2407 .help = "Trim this number of IO blocks",
2408 .parent = "trim_percentage",
d71c154c 2409 .hide = 1,
20eb06bd 2410 .interval = 1,
e8b0e958
JA		 2411 .category = FIO_OPT_C_IO,
2412 .group = FIO_OPT_G_TRIM,
0d29de83 2413 },
e8462bd8 2414#endif
214e1eca
JA		 2415 {
2416 .name = "write_iolog",
e8b0e958 2417 .lname = "Write I/O log",
214e1eca
JA		 2418 .type = FIO_OPT_STR_STORE,
2419 .off1 = td_var_offset(write_iolog_file),
2420 .help = "Store IO pattern to file",
e8b0e958
JA		 2421 .category = FIO_OPT_C_IO,
2422 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2423 },
2424 {
2425 .name = "read_iolog",
e8b0e958 2426 .lname = "Read I/O log",
214e1eca
JA		 2427 .type = FIO_OPT_STR_STORE,
2428 .off1 = td_var_offset(read_iolog_file),
2429 .help = "Playback IO pattern from file",
e8b0e958
JA		 2430 .category = FIO_OPT_C_IO,
2431 .group = FIO_OPT_G_IOLOG,
214e1eca 2432 },
64bbb865
DN		 2433 {
2434 .name = "replay_no_stall",
e8b0e958 2435 .lname = "Don't stall on replay",
20eb06bd 2436 .type = FIO_OPT_BOOL,
64bbb865
DN		 2437 .off1 = td_var_offset(no_stall),
2438 .def = "0",
87e7a972 2439 .parent = "read_iolog",
d71c154c 2440 .hide = 1,
64bbb865 2441 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2442 .category = FIO_OPT_C_IO,
2443 .group = FIO_OPT_G_IOLOG,
64bbb865 2444 },
d1c46c04
DN		 2445 {
2446 .name = "replay_redirect",
e8b0e958 2447 .lname = "Redirect device for replay",
d1c46c04
DN		 2448 .type = FIO_OPT_STR_STORE,
2449 .off1 = td_var_offset(replay_redirect),
2450 .parent = "read_iolog",
d71c154c 2451 .hide = 1,
d1c46c04 2452 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2453 .category = FIO_OPT_C_IO,
2454 .group = FIO_OPT_G_IOLOG,
d1c46c04 2455 },
214e1eca
JA		 2456 {
2457 .name = "exec_prerun",
e8b0e958 2458 .lname = "Pre-execute runnable",
214e1eca
JA		 2459 .type = FIO_OPT_STR_STORE,
2460 .off1 = td_var_offset(exec_prerun),
2461 .help = "Execute this file prior to running job",
e8b0e958
JA		 2462 .category = FIO_OPT_C_GENERAL,
2463 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2464 },
2465 {
2466 .name = "exec_postrun",
e8b0e958 2467 .lname = "Post-execute runnable",
214e1eca
JA		 2468 .type = FIO_OPT_STR_STORE,
2469 .off1 = td_var_offset(exec_postrun),
2470 .help = "Execute this file after running job",
e8b0e958
JA		 2471 .category = FIO_OPT_C_GENERAL,
2472 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2473 },
2474#ifdef FIO_HAVE_IOSCHED_SWITCH
2475 {
2476 .name = "ioscheduler",
e8b0e958 2477 .lname = "I/O scheduler",
214e1eca
JA		 2478 .type = FIO_OPT_STR_STORE,
2479 .off1 = td_var_offset(ioscheduler),
2480 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2481 .category = FIO_OPT_C_FILE,
2482 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2483 },
2484#endif
2485 {
2486 .name = "zonesize",
e8b0e958 2487 .lname = "Zone size",
214e1eca
JA		 2488 .type = FIO_OPT_STR_VAL,
2489 .off1 = td_var_offset(zone_size),
ed335855
SN		 2490 .help = "Amount of data to read per zone",
2491 .def = "0",
20eb06bd 2492 .interval = 1024 * 1024,
e8b0e958
JA		 2493 .category = FIO_OPT_C_IO,
2494 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2495 },
2496 {
2497 .name = "zonerange",
e8b0e958 2498 .lname = "Zone range",
ed335855
SN		 2499 .type = FIO_OPT_STR_VAL,
2500 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2501 .help = "Give size of an IO zone",
2502 .def = "0",
20eb06bd 2503 .interval = 1024 * 1024,
e8b0e958
JA		 2504 .category = FIO_OPT_C_IO,
2505 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2506 },
2507 {
2508 .name = "zoneskip",
e8b0e958 2509 .lname = "Zone skip",
214e1eca
JA		 2510 .type = FIO_OPT_STR_VAL,
2511 .off1 = td_var_offset(zone_skip),
2512 .help = "Space between IO zones",
2513 .def = "0",
20eb06bd 2514 .interval = 1024 * 1024,
e8b0e958
JA		 2515 .category = FIO_OPT_C_IO,
2516 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2517 },
2518 {
2519 .name = "lockmem",
e8b0e958 2520 .lname = "Lock memory",
214e1eca 2521 .type = FIO_OPT_STR_VAL,
1b79a070 2522 .off1 = td_var_offset(lockmem),
81c6b6cd 2523 .help = "Lock down this amount of memory (per worker)",
214e1eca 2524 .def = "0",
20eb06bd 2525 .interval = 1024 * 1024,
e8b0e958
JA		 2526 .category = FIO_OPT_C_GENERAL,
2527 .group = FIO_OPT_G_INVALID,
214e1eca 2528 },
214e1eca
JA		 2529 {
2530 .name = "rwmixread",
e8b0e958 2531 .lname = "Read/write mix read",
214e1eca 2532 .type = FIO_OPT_INT,
cb499fc4 2533 .cb = str_rwmix_read_cb,
214e1eca
JA		 2534 .maxval = 100,
2535 .help = "Percentage of mixed workload that is reads",
2536 .def = "50",
20eb06bd 2537 .interval = 5,
90265353 2538 .inverse = "rwmixwrite",
e8b0e958
JA		 2539 .category = FIO_OPT_C_IO,
2540 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2541 },
2542 {
2543 .name = "rwmixwrite",
e8b0e958 2544 .lname = "Read/write mix write",
214e1eca 2545 .type = FIO_OPT_INT,
cb499fc4 2546 .cb = str_rwmix_write_cb,
214e1eca
JA		 2547 .maxval = 100,
2548 .help = "Percentage of mixed workload that is writes",
2549 .def = "50",
20eb06bd 2550 .interval = 5,
90265353 2551 .inverse = "rwmixread",
e8b0e958
JA		 2552 .category = FIO_OPT_C_IO,
2553 .group = FIO_OPT_G_RWMIX,
214e1eca 2554 },
afdf9352
JA		 2555 {
2556 .name = "rwmixcycle",
e8b0e958 2557 .lname = "Read/write mix cycle",
15ca150e 2558 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2559 .category = FIO_OPT_C_IO,
2560 .group = FIO_OPT_G_RWMIX,
afdf9352 2561 },
214e1eca
JA		 2562 {
2563 .name = "nice",
e8b0e958 2564 .lname = "Nice",
214e1eca
JA		 2565 .type = FIO_OPT_INT,
2566 .off1 = td_var_offset(nice),
2567 .help = "Set job CPU nice value",
2568 .minval = -19,
2569 .maxval = 20,
2570 .def = "0",
20eb06bd 2571 .interval = 1,
e8b0e958 2572 .category = FIO_OPT_C_GENERAL,
10860056 2573 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2574 },
2575#ifdef FIO_HAVE_IOPRIO
2576 {
2577 .name = "prio",
e8b0e958 2578 .lname = "I/O nice priority",
214e1eca 2579 .type = FIO_OPT_INT,
28727df7 2580 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2581 .help = "Set job IO priority value",
2582 .minval = 0,
2583 .maxval = 7,
20eb06bd 2584 .interval = 1,
e8b0e958 2585 .category = FIO_OPT_C_GENERAL,
10860056 2586 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2587 },
2588 {
2589 .name = "prioclass",
e8b0e958 2590 .lname = "I/O nice priority class",
214e1eca 2591 .type = FIO_OPT_INT,
28727df7 2592 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2593 .help = "Set job IO priority class",
2594 .minval = 0,
2595 .maxval = 3,
20eb06bd 2596 .interval = 1,
e8b0e958 2597 .category = FIO_OPT_C_GENERAL,
10860056 2598 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2599 },
2600#endif
2601 {
2602 .name = "thinktime",
e8b0e958 2603 .lname = "Thinktime",
214e1eca
JA		 2604 .type = FIO_OPT_INT,
2605 .off1 = td_var_offset(thinktime),
2606 .help = "Idle time between IO buffers (usec)",
2607 .def = "0",
e8b0e958 2608 .category = FIO_OPT_C_IO,
3ceb458f 2609 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2610 },
2611 {
2612 .name = "thinktime_spin",
e8b0e958 2613 .lname = "Thinktime spin",
214e1eca
JA		 2614 .type = FIO_OPT_INT,
2615 .off1 = td_var_offset(thinktime_spin),
2616 .help = "Start think time by spinning this amount (usec)",
2617 .def = "0",
afdf9352 2618 .parent = "thinktime",
d71c154c 2619 .hide = 1,
e8b0e958 2620 .category = FIO_OPT_C_IO,
3ceb458f 2621 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2622 },
2623 {
2624 .name = "thinktime_blocks",
e8b0e958 2625 .lname = "Thinktime blocks",
214e1eca
JA		 2626 .type = FIO_OPT_INT,
2627 .off1 = td_var_offset(thinktime_blocks),
2628 .help = "IO buffer period between 'thinktime'",
2629 .def = "1",
afdf9352 2630 .parent = "thinktime",
d71c154c 2631 .hide = 1,
e8b0e958 2632 .category = FIO_OPT_C_IO,
3ceb458f 2633 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2634 },
2635 {
2636 .name = "rate",
e8b0e958 2637 .lname = "I/O rate",
e01b22b8 2638 .type = FIO_OPT_INT,
6eaf09d6
SL		 2639 .off1 = td_var_offset(rate[DDIR_READ]),
2640 .off2 = td_var_offset(rate[DDIR_WRITE]),
2641 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2642 .help = "Set bandwidth rate",
e8b0e958
JA		 2643 .category = FIO_OPT_C_IO,
2644 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2645 },
2646 {
2647 .name = "ratemin",
e8b0e958 2648 .lname = "I/O min rate",
e01b22b8 2649 .type = FIO_OPT_INT,
6eaf09d6
SL		 2650 .off1 = td_var_offset(ratemin[DDIR_READ]),
2651 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2652 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2653 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2654 .parent = "rate",
d71c154c 2655 .hide = 1,
e8b0e958
JA		 2656 .category = FIO_OPT_C_IO,
2657 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2658 },
2659 {
2660 .name = "rate_iops",
e8b0e958 2661 .lname = "I/O rate IOPS",
e01b22b8 2662 .type = FIO_OPT_INT,
6eaf09d6
SL		 2663 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2664 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2665 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2666 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2667 .hide = 1,
e8b0e958
JA		 2668 .category = FIO_OPT_C_IO,
2669 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2670 },
2671 {
2672 .name = "rate_iops_min",
e8b0e958 2673 .lname = "I/O min rate IOPS",
e01b22b8 2674 .type = FIO_OPT_INT,
6eaf09d6
SL		 2675 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2676 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2677 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2678 .help = "Job must meet this rate or it will be shut down",
afdf9352 2679 .parent = "rate_iops",
d71c154c 2680 .hide = 1,
e8b0e958
JA		 2681 .category = FIO_OPT_C_IO,
2682 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2683 },
2684 {
2685 .name = "ratecycle",
e8b0e958 2686 .lname = "I/O rate cycle",
214e1eca
JA		 2687 .type = FIO_OPT_INT,
2688 .off1 = td_var_offset(ratecycle),
2689 .help = "Window average for rate limits (msec)",
2690 .def = "1000",
afdf9352 2691 .parent = "rate",
d71c154c 2692 .hide = 1,
e8b0e958
JA		 2693 .category = FIO_OPT_C_IO,
2694 .group = FIO_OPT_G_RATE,
214e1eca 2695 },
15501535
JA		 2696 {
2697 .name = "max_latency",
2698 .type = FIO_OPT_INT,
2699 .off1 = td_var_offset(max_latency),
2700 .help = "Maximum tolerated IO latency (usec)",
1e5324e7 2701 .category = FIO_OPT_C_IO,
3e260a46
JA		 2702 .group = FIO_OPT_G_LATPROF,
2703 },
2704 {
2705 .name = "latency_target",
2706 .lname = "Latency Target (usec)",
2707 .type = FIO_OPT_STR_VAL_TIME,
2708 .off1 = td_var_offset(latency_target),
2709 .help = "Ramp to max queue depth supporting this latency",
2710 .category = FIO_OPT_C_IO,
2711 .group = FIO_OPT_G_LATPROF,
2712 },
2713 {
2714 .name = "latency_window",
2715 .lname = "Latency Window (usec)",
2716 .type = FIO_OPT_STR_VAL_TIME,
2717 .off1 = td_var_offset(latency_window),
2718 .help = "Time to sustain latency_target",
2719 .category = FIO_OPT_C_IO,
2720 .group = FIO_OPT_G_LATPROF,
2721 },
2722 {
2723 .name = "latency_percentile",
2724 .lname = "Latency Percentile",
2725 .type = FIO_OPT_FLOAT_LIST,
2726 .off1 = td_var_offset(latency_percentile),
2727 .help = "Percentile of IOs must be below latency_target",
2728 .def = "100",
2729 .maxlen = 1,
2730 .minfp = 0.0,
2731 .maxfp = 100.0,
2732 .category = FIO_OPT_C_IO,
2733 .group = FIO_OPT_G_LATPROF,
15501535 2734 },
214e1eca
JA		 2735 {
2736 .name = "invalidate",
e8b0e958 2737 .lname = "Cache invalidate",
214e1eca
JA		 2738 .type = FIO_OPT_BOOL,
2739 .off1 = td_var_offset(invalidate_cache),
2740 .help = "Invalidate buffer/page cache prior to running job",
2741 .def = "1",
e8b0e958 2742 .category = FIO_OPT_C_IO,
3ceb458f 2743 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2744 },
2745 {
2746 .name = "sync",
e8b0e958 2747 .lname = "Synchronous I/O",
214e1eca
JA		 2748 .type = FIO_OPT_BOOL,
2749 .off1 = td_var_offset(sync_io),
2750 .help = "Use O_SYNC for buffered writes",
2751 .def = "0",
67a1000f 2752 .parent = "buffered",
d71c154c 2753 .hide = 1,
e8b0e958 2754 .category = FIO_OPT_C_IO,
3ceb458f 2755 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2756 },
214e1eca
JA		 2757 {
2758 .name = "create_serialize",
e8b0e958 2759 .lname = "Create serialize",
214e1eca
JA		 2760 .type = FIO_OPT_BOOL,
2761 .off1 = td_var_offset(create_serialize),
2762 .help = "Serialize creating of job files",
2763 .def = "1",
e8b0e958
JA		 2764 .category = FIO_OPT_C_FILE,
2765 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2766 },
2767 {
2768 .name = "create_fsync",
e8b0e958 2769 .lname = "Create fsync",
214e1eca
JA		 2770 .type = FIO_OPT_BOOL,
2771 .off1 = td_var_offset(create_fsync),
03e20d68 2772 .help = "fsync file after creation",
214e1eca 2773 .def = "1",
e8b0e958
JA		 2774 .category = FIO_OPT_C_FILE,
2775 .group = FIO_OPT_G_INVALID,
214e1eca 2776 },
814452bd
JA		 2777 {
2778 .name = "create_on_open",
e8b0e958 2779 .lname = "Create on open",
814452bd
JA		 2780 .type = FIO_OPT_BOOL,
2781 .off1 = td_var_offset(create_on_open),
2782 .help = "Create files when they are opened for IO",
2783 .def = "0",
e8b0e958
JA		 2784 .category = FIO_OPT_C_FILE,
2785 .group = FIO_OPT_G_INVALID,
814452bd 2786 },
25460cf6
JA		 2787 {
2788 .name = "create_only",
2789 .type = FIO_OPT_BOOL,
2790 .off1 = td_var_offset(create_only),
2791 .help = "Only perform file creation phase",
d17fda71 2792 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2793 .def = "0",
2794 },
0b9d69ec 2795 {
afad68f7 2796 .name = "pre_read",
e8b0e958 2797 .lname = "Pre-read files",
afad68f7
ZY		 2798 .type = FIO_OPT_BOOL,
2799 .off1 = td_var_offset(pre_read),
03e20d68 2800 .help = "Pre-read files before starting official testing",
afad68f7 2801 .def = "0",
e8b0e958
JA		 2802 .category = FIO_OPT_C_FILE,
2803 .group = FIO_OPT_G_INVALID,
afad68f7 2804 },
214e1eca
JA		 2805#ifdef FIO_HAVE_CPU_AFFINITY
2806 {
2807 .name = "cpumask",
e8b0e958 2808 .lname = "CPU mask",
214e1eca
JA		 2809 .type = FIO_OPT_INT,
2810 .cb = str_cpumask_cb,
2811 .help = "CPU affinity mask",
e8b0e958 2812 .category = FIO_OPT_C_GENERAL,
10860056 2813 .group = FIO_OPT_G_CRED,
214e1eca 2814 },
d2e268b0
JA		 2815 {
2816 .name = "cpus_allowed",
e8b0e958 2817 .lname = "CPUs allowed",
d2e268b0
JA		 2818 .type = FIO_OPT_STR,
2819 .cb = str_cpus_allowed_cb,
2820 .help = "Set CPUs allowed",
e8b0e958 2821 .category = FIO_OPT_C_GENERAL,
10860056 2822 .group = FIO_OPT_G_CRED,
d2e268b0 2823 },
d0b937ed 2824#endif
67bf9823 2825#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 2826 {
2827 .name = "numa_cpu_nodes",
2828 .type = FIO_OPT_STR,
2829 .cb = str_numa_cpunodes_cb,
2830 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 2831 .category = FIO_OPT_C_GENERAL,
2832 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 2833 },
2834 {
2835 .name = "numa_mem_policy",
2836 .type = FIO_OPT_STR,
2837 .cb = str_numa_mpol_cb,
2838 .help = "NUMA memory policy setup",
6be54b2d
JA		 2839 .category = FIO_OPT_C_GENERAL,
2840 .group = FIO_OPT_G_INVALID,
d0b937ed 2841 },
214e1eca
JA		 2842#endif
2843 {
2844 .name = "end_fsync",
e8b0e958 2845 .lname = "End fsync",
214e1eca
JA		 2846 .type = FIO_OPT_BOOL,
2847 .off1 = td_var_offset(end_fsync),
2848 .help = "Include fsync at the end of job",
2849 .def = "0",
e8b0e958
JA		 2850 .category = FIO_OPT_C_FILE,
2851 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2852 },
2853 {
2854 .name = "fsync_on_close",
e8b0e958 2855 .lname = "Fsync on close",
214e1eca
JA		 2856 .type = FIO_OPT_BOOL,
2857 .off1 = td_var_offset(fsync_on_close),
2858 .help = "fsync files on close",
2859 .def = "0",
e8b0e958
JA		 2860 .category = FIO_OPT_C_FILE,
2861 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2862 },
2863 {
2864 .name = "unlink",
e8b0e958 2865 .lname = "Unlink file",
214e1eca
JA		 2866 .type = FIO_OPT_BOOL,
2867 .off1 = td_var_offset(unlink),
2868 .help = "Unlink created files after job has completed",
2869 .def = "0",
e8b0e958
JA		 2870 .category = FIO_OPT_C_FILE,
2871 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2872 },
2873 {
2874 .name = "exitall",
e8b0e958 2875 .lname = "Exit-all on terminate",
214e1eca
JA		 2876 .type = FIO_OPT_STR_SET,
2877 .cb = str_exitall_cb,
2878 .help = "Terminate all jobs when one exits",
e8b0e958 2879 .category = FIO_OPT_C_GENERAL,
a1f6afec 2880 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 2881 },
2882 {
2883 .name = "stonewall",
e8b0e958 2884 .lname = "Wait for previous",
d392365e 2885 .alias = "wait_for_previous",
214e1eca
JA		 2886 .type = FIO_OPT_STR_SET,
2887 .off1 = td_var_offset(stonewall),
2888 .help = "Insert a hard barrier between this job and previous",
e8b0e958 2889 .category = FIO_OPT_C_GENERAL,
a1f6afec 2890 .group = FIO_OPT_G_PROCESS,
214e1eca 2891 },
b3d62a75
JA		 2892 {
2893 .name = "new_group",
e8b0e958 2894 .lname = "New group",
b3d62a75
JA		 2895 .type = FIO_OPT_STR_SET,
2896 .off1 = td_var_offset(new_group),
2897 .help = "Mark the start of a new group (for reporting)",
e8b0e958 2898 .category = FIO_OPT_C_GENERAL,
a1f6afec 2899 .group = FIO_OPT_G_PROCESS,
b3d62a75 2900 },
214e1eca
JA		 2901 {
2902 .name = "thread",
e8b0e958 2903 .lname = "Thread",
214e1eca
JA		 2904 .type = FIO_OPT_STR_SET,
2905 .off1 = td_var_offset(use_thread),
20eb06bd 2906 .help = "Use threads instead of processes",
e8b0e958 2907 .category = FIO_OPT_C_GENERAL,
a1f6afec 2908 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 2909 },
2910 {
2911 .name = "write_bw_log",
e8b0e958 2912 .lname = "Write bandwidth log",
203160d5
JA		 2913 .type = FIO_OPT_STR_STORE,
2914 .off1 = td_var_offset(bw_log_file),
214e1eca 2915 .help = "Write log of bandwidth during run",
e8b0e958
JA		 2916 .category = FIO_OPT_C_LOG,
2917 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2918 },
2919 {
2920 .name = "write_lat_log",
e8b0e958 2921 .lname = "Write latency log",
203160d5
JA		 2922 .type = FIO_OPT_STR_STORE,
2923 .off1 = td_var_offset(lat_log_file),
214e1eca 2924 .help = "Write log of latency during run",
e8b0e958
JA		 2925 .category = FIO_OPT_C_LOG,
2926 .group = FIO_OPT_G_INVALID,
214e1eca 2927 },
c8eeb9df
JA		 2928 {
2929 .name = "write_iops_log",
e8b0e958 2930 .lname = "Write IOPS log",
577c83bd 2931 .type = FIO_OPT_STR_STORE,
203160d5 2932 .off1 = td_var_offset(iops_log_file),
c8eeb9df 2933 .help = "Write log of IOPS during run",
e8b0e958
JA		 2934 .category = FIO_OPT_C_LOG,
2935 .group = FIO_OPT_G_INVALID,
c8eeb9df 2936 },
b8bc8cba
JA		 2937 {
2938 .name = "log_avg_msec",
e8b0e958 2939 .lname = "Log averaging (msec)",
b8bc8cba
JA		 2940 .type = FIO_OPT_INT,
2941 .off1 = td_var_offset(log_avg_msec),
2942 .help = "Average bw/iops/lat logs over this period of time",
2943 .def = "0",
e8b0e958
JA		 2944 .category = FIO_OPT_C_LOG,
2945 .group = FIO_OPT_G_INVALID,
b8bc8cba 2946 },
c504ee55
JA		 2947 {
2948 .name = "bwavgtime",
2949 .lname = "Bandwidth average time",
2950 .type = FIO_OPT_INT,
2951 .off1 = td_var_offset(bw_avg_time),
2952 .help = "Time window over which to calculate bandwidth"
2953 " (msec)",
2954 .def = "500",
2955 .parent = "write_bw_log",
2956 .hide = 1,
2957 .interval = 100,
2958 .category = FIO_OPT_C_LOG,
2959 .group = FIO_OPT_G_INVALID,
2960 },
2961 {
2962 .name = "iopsavgtime",
2963 .lname = "IOPS average time",
2964 .type = FIO_OPT_INT,
2965 .off1 = td_var_offset(iops_avg_time),
2966 .help = "Time window over which to calculate IOPS (msec)",
2967 .def = "500",
2968 .parent = "write_iops_log",
2969 .hide = 1,
2970 .interval = 100,
2971 .category = FIO_OPT_C_LOG,
2972 .group = FIO_OPT_G_INVALID,
2973 },
214e1eca
JA		 2974 {
2975 .name = "group_reporting",
e8b0e958 2976 .lname = "Group reporting",
d2507043 2977 .type = FIO_OPT_STR_SET,
214e1eca
JA		 2978 .off1 = td_var_offset(group_reporting),
2979 .help = "Do reporting on a per-group basis",
10860056 2980 .category = FIO_OPT_C_STAT,
e8b0e958 2981 .group = FIO_OPT_G_INVALID,
214e1eca 2982 },
e9459e5a
JA		 2983 {
2984 .name = "zero_buffers",
e8b0e958 2985 .lname = "Zero I/O buffers",
e9459e5a
JA		 2986 .type = FIO_OPT_STR_SET,
2987 .off1 = td_var_offset(zero_buffers),
2988 .help = "Init IO buffers to all zeroes",
e8b0e958 2989 .category = FIO_OPT_C_IO,
3ceb458f 2990 .group = FIO_OPT_G_IO_BUF,
e9459e5a 2991 },
5973cafb
JA		 2992 {
2993 .name = "refill_buffers",
e8b0e958 2994 .lname = "Refill I/O buffers",
5973cafb
JA		 2995 .type = FIO_OPT_STR_SET,
2996 .off1 = td_var_offset(refill_buffers),
2997 .help = "Refill IO buffers on every IO submit",
e8b0e958 2998 .category = FIO_OPT_C_IO,
3ceb458f 2999 .group = FIO_OPT_G_IO_BUF,
5973cafb 3000 },
fd68418e
JA		 3001 {
3002 .name = "scramble_buffers",
e8b0e958 3003 .lname = "Scramble I/O buffers",
fd68418e
JA		 3004 .type = FIO_OPT_BOOL,
3005 .off1 = td_var_offset(scramble_buffers),
3006 .help = "Slightly scramble buffers on every IO submit",
3007 .def = "1",
e8b0e958 3008 .category = FIO_OPT_C_IO,
3ceb458f 3009 .group = FIO_OPT_G_IO_BUF,
fd68418e 3010 },
ce35b1ec
JA		 3011 {
3012 .name = "buffer_pattern",
3013 .lname = "Buffer pattern",
3014 .type = FIO_OPT_STR,
3015 .cb = str_buffer_pattern_cb,
3016 .help = "Fill pattern for IO buffers",
3017 .category = FIO_OPT_C_IO,
3018 .group = FIO_OPT_G_IO_BUF,
3019 },
9c42684e
JA		 3020 {
3021 .name = "buffer_compress_percentage",
e8b0e958 3022 .lname = "Buffer compression percentage",
9c42684e
JA		 3023 .type = FIO_OPT_INT,
3024 .off1 = td_var_offset(compress_percentage),
3025 .maxval = 100,
3026 .minval = 1,
3027 .help = "How compressible the buffer is (approximately)",
20eb06bd 3028 .interval = 5,
e8b0e958 3029 .category = FIO_OPT_C_IO,
3ceb458f 3030 .group = FIO_OPT_G_IO_BUF,
9c42684e 3031 },
f97a43a1
JA		 3032 {
3033 .name = "buffer_compress_chunk",
e8b0e958 3034 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3035 .type = FIO_OPT_INT,
3036 .off1 = td_var_offset(compress_chunk),
207b18e4 3037 .parent = "buffer_compress_percentage",
d71c154c 3038 .hide = 1,
f97a43a1 3039 .help = "Size of compressible region in buffer",
20eb06bd 3040 .interval = 256,
e8b0e958 3041 .category = FIO_OPT_C_IO,
3ceb458f 3042 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3043 },
83349190
YH		 3044 {
3045 .name = "clat_percentiles",
e8b0e958 3046 .lname = "Completion latency percentiles",
83349190
YH		 3047 .type = FIO_OPT_BOOL,
3048 .off1 = td_var_offset(clat_percentiles),
3049 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3050 .def = "1",
e8b0e958
JA		 3051 .category = FIO_OPT_C_STAT,
3052 .group = FIO_OPT_G_INVALID,
83349190
YH		 3053 },
3054 {
3055 .name = "percentile_list",
e8b0e958 3056 .lname = "Completion latency percentile list",
83349190
YH		 3057 .type = FIO_OPT_FLOAT_LIST,
3058 .off1 = td_var_offset(percentile_list),
435d195a 3059 .off2 = td_var_offset(percentile_precision),
83349190 3060 .help = "Specify a custom list of percentiles to report",
fd112d34 3061 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3062 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3063 .minfp = 0.0,
3064 .maxfp = 100.0,
e8b0e958
JA		 3065 .category = FIO_OPT_C_STAT,
3066 .group = FIO_OPT_G_INVALID,
83349190
YH		 3067 },
3068
0a839f30
JA		 3069#ifdef FIO_HAVE_DISK_UTIL
3070 {
3071 .name = "disk_util",
e8b0e958 3072 .lname = "Disk utilization",
0a839f30
JA		 3073 .type = FIO_OPT_BOOL,
3074 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3075 .help = "Log disk utilization statistics",
0a839f30 3076 .def = "1",
e8b0e958
JA		 3077 .category = FIO_OPT_C_STAT,
3078 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3079 },
3080#endif
993bf48b
JA		 3081 {
3082 .name = "gtod_reduce",
e8b0e958 3083 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3084 .type = FIO_OPT_BOOL,
3085 .help = "Greatly reduce number of gettimeofday() calls",
3086 .cb = str_gtod_reduce_cb,
3087 .def = "0",
a4ed77fe 3088 .hide_on_set = 1,
e8b0e958
JA		 3089 .category = FIO_OPT_C_STAT,
3090 .group = FIO_OPT_G_INVALID,
993bf48b 3091 },
02af0988
JA		 3092 {
3093 .name = "disable_lat",
e8b0e958 3094 .lname = "Disable all latency stats",
02af0988
JA		 3095 .type = FIO_OPT_BOOL,
3096 .off1 = td_var_offset(disable_lat),
3097 .help = "Disable latency numbers",
3098 .parent = "gtod_reduce",
d71c154c 3099 .hide = 1,
02af0988 3100 .def = "0",
e8b0e958
JA		 3101 .category = FIO_OPT_C_STAT,
3102 .group = FIO_OPT_G_INVALID,
02af0988 3103 },
9520ebb9
JA		 3104 {
3105 .name = "disable_clat",
e8b0e958 3106 .lname = "Disable completion latency stats",
9520ebb9
JA		 3107 .type = FIO_OPT_BOOL,
3108 .off1 = td_var_offset(disable_clat),
3109 .help = "Disable completion latency numbers",
993bf48b 3110 .parent = "gtod_reduce",
d71c154c 3111 .hide = 1,
9520ebb9 3112 .def = "0",
e8b0e958
JA		 3113 .category = FIO_OPT_C_STAT,
3114 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3115 },
3116 {
3117 .name = "disable_slat",
e8b0e958 3118 .lname = "Disable submission latency stats",
9520ebb9
JA		 3119 .type = FIO_OPT_BOOL,
3120 .off1 = td_var_offset(disable_slat),
03e20d68 3121 .help = "Disable submission latency numbers",
993bf48b 3122 .parent = "gtod_reduce",
d71c154c 3123 .hide = 1,
9520ebb9 3124 .def = "0",
e8b0e958
JA		 3125 .category = FIO_OPT_C_STAT,
3126 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3127 },
3128 {
3129 .name = "disable_bw_measurement",
e8b0e958 3130 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3131 .type = FIO_OPT_BOOL,
3132 .off1 = td_var_offset(disable_bw),
3133 .help = "Disable bandwidth logging",
993bf48b 3134 .parent = "gtod_reduce",
d71c154c 3135 .hide = 1,
9520ebb9 3136 .def = "0",
e8b0e958
JA		 3137 .category = FIO_OPT_C_STAT,
3138 .group = FIO_OPT_G_INVALID,
9520ebb9 3139 },
be4ecfdf
JA		 3140 {
3141 .name = "gtod_cpu",
e8b0e958 3142 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 3143 .type = FIO_OPT_INT,
3144 .cb = str_gtod_cpu_cb,
03e20d68 3145 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3146 .verify = gtod_cpu_verify,
e8b0e958 3147 .category = FIO_OPT_C_GENERAL,
10860056 3148 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3149 },
771e58be
JA		 3150 {
3151 .name = "unified_rw_reporting",
3152 .type = FIO_OPT_BOOL,
3153 .off1 = td_var_offset(unified_rw_rep),
3154 .help = "Unify reporting across data direction",
3155 .def = "0",
90b7a96d
JA		 3156 .category = FIO_OPT_C_GENERAL,
3157 .group = FIO_OPT_G_INVALID,
771e58be 3158 },
f2bba182
RR		 3159 {
3160 .name = "continue_on_error",
e8b0e958 3161 .lname = "Continue on error",
06842027 3162 .type = FIO_OPT_STR,
f2bba182 3163 .off1 = td_var_offset(continue_on_error),
03e20d68 3164 .help = "Continue on non-fatal errors during IO",
06842027 3165 .def = "none",
e8b0e958 3166 .category = FIO_OPT_C_GENERAL,
bc3f552f 3167 .group = FIO_OPT_G_ERR,
06842027
SL		 3168 .posval = {
3169 { .ival = "none",
3170 .oval = ERROR_TYPE_NONE,
3171 .help = "Exit when an error is encountered",
3172 },
3173 { .ival = "read",
3174 .oval = ERROR_TYPE_READ,
3175 .help = "Continue on read errors only",
3176 },
3177 { .ival = "write",
3178 .oval = ERROR_TYPE_WRITE,
3179 .help = "Continue on write errors only",
3180 },
3181 { .ival = "io",
3182 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3183 .help = "Continue on any IO errors",
3184 },
3185 { .ival = "verify",
3186 .oval = ERROR_TYPE_VERIFY,
3187 .help = "Continue on verify errors only",
3188 },
3189 { .ival = "all",
3190 .oval = ERROR_TYPE_ANY,
3191 .help = "Continue on all io and verify errors",
3192 },
3193 { .ival = "0",
3194 .oval = ERROR_TYPE_NONE,
3195 .help = "Alias for 'none'",
3196 },
3197 { .ival = "1",
3198 .oval = ERROR_TYPE_ANY,
3199 .help = "Alias for 'all'",
3200 },
3201 },
f2bba182 3202 },
8b28bd41
DM		 3203 {
3204 .name = "ignore_error",
3205 .type = FIO_OPT_STR,
3206 .cb = str_ignore_error_cb,
3207 .help = "Set a specific list of errors to ignore",
3208 .parent = "rw",
a94eb99a 3209 .category = FIO_OPT_C_GENERAL,
bc3f552f 3210 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3211 },
3212 {
3213 .name = "error_dump",
3214 .type = FIO_OPT_BOOL,
3215 .off1 = td_var_offset(error_dump),
3216 .def = "0",
3217 .help = "Dump info on each error",
a94eb99a 3218 .category = FIO_OPT_C_GENERAL,
bc3f552f 3219 .group = FIO_OPT_G_ERR,
8b28bd41 3220 },
9ac8a797
JA		 3221 {
3222 .name = "profile",
e8b0e958 3223 .lname = "Profile",
79d16311 3224 .type = FIO_OPT_STR_STORE,
9ac8a797 3225 .off1 = td_var_offset(profile),
9ac8a797 3226 .help = "Select a specific builtin performance test",
13fca827 3227 .category = FIO_OPT_C_PROFILE,
e8b0e958 3228 .group = FIO_OPT_G_INVALID,
9ac8a797 3229 },
a696fa2a
JA		 3230 {
3231 .name = "cgroup",
e8b0e958 3232 .lname = "Cgroup",
a696fa2a
JA		 3233 .type = FIO_OPT_STR_STORE,
3234 .off1 = td_var_offset(cgroup),
3235 .help = "Add job to cgroup of this name",
e8b0e958 3236 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3237 .group = FIO_OPT_G_CGROUP,
3238 },
3239 {
3240 .name = "cgroup_nodelete",
3241 .lname = "Cgroup no-delete",
3242 .type = FIO_OPT_BOOL,
3243 .off1 = td_var_offset(cgroup_nodelete),
3244 .help = "Do not delete cgroups after job completion",
3245 .def = "0",
3246 .parent = "cgroup",
3247 .category = FIO_OPT_C_GENERAL,
3248 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3249 },
3250 {
3251 .name = "cgroup_weight",
e8b0e958 3252 .lname = "Cgroup weight",
a696fa2a
JA		 3253 .type = FIO_OPT_INT,
3254 .off1 = td_var_offset(cgroup_weight),
3255 .help = "Use given weight for cgroup",
3256 .minval = 100,
3257 .maxval = 1000,
a1f6afec 3258 .parent = "cgroup",
e8b0e958 3259 .category = FIO_OPT_C_GENERAL,
a1f6afec 3260 .group = FIO_OPT_G_CGROUP,
7de87099 3261 },
e0b0d892
JA		 3262 {
3263 .name = "uid",
e8b0e958 3264 .lname = "User ID",
e0b0d892
JA		 3265 .type = FIO_OPT_INT,
3266 .off1 = td_var_offset(uid),
3267 .help = "Run job with this user ID",
e8b0e958 3268 .category = FIO_OPT_C_GENERAL,
10860056 3269 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3270 },
3271 {
3272 .name = "gid",
e8b0e958 3273 .lname = "Group ID",
e0b0d892
JA		 3274 .type = FIO_OPT_INT,
3275 .off1 = td_var_offset(gid),
3276 .help = "Run job with this group ID",
e8b0e958 3277 .category = FIO_OPT_C_GENERAL,
10860056 3278 .group = FIO_OPT_G_CRED,
e0b0d892 3279 },
a1f6afec
JA		 3280 {
3281 .name = "kb_base",
3282 .lname = "KB Base",
3283 .type = FIO_OPT_INT,
3284 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3285 .prio = 1,
3286 .def = "1024",
ba9c7219
JA		 3287 .posval = {
3288 { .ival = "1024",
3289 .oval = 1024,
3290 .help = "Use 1024 as the K base",
3291 },
3292 { .ival = "1000",
3293 .oval = 1000,
3294 .help = "Use 1000 as the K base",
3295 },
3296 },
a1f6afec
JA		 3297 .help = "How many bytes per KB for reporting (1000 or 1024)",
3298 .category = FIO_OPT_C_GENERAL,
3299 .group = FIO_OPT_G_INVALID,
3300 },
cf3a0518
JA		 3301 {
3302 .name = "unit_base",
ba9c7219 3303 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3304 .type = FIO_OPT_INT,
3305 .off1 = td_var_offset(unit_base),
cf3a0518 3306 .prio = 1,
71a08258
JA		 3307 .posval = {
3308 { .ival = "0",
3309 .oval = 0,
3310 .help = "Auto-detect",
3311 },
3312 { .ival = "8",
3313 .oval = 8,
3314 .help = "Normal (byte based)",
3315 },
3316 { .ival = "1",
3317 .oval = 1,
3318 .help = "Bit based",
3319 },
3320 },
cf3a0518
JA		 3321 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3322 .category = FIO_OPT_C_GENERAL,
3323 .group = FIO_OPT_G_INVALID,
3324 },
3ceb458f
JA		 3325 {
3326 .name = "hugepage-size",
3327 .lname = "Hugepage size",
3328 .type = FIO_OPT_INT,
3329 .off1 = td_var_offset(hugepage_size),
3330 .help = "When using hugepages, specify size of each page",
3331 .def = __fio_stringify(FIO_HUGE_PAGE),
3332 .interval = 1024 * 1024,
3333 .category = FIO_OPT_C_GENERAL,
3334 .group = FIO_OPT_G_INVALID,
3335 },
9e684a49
DE		 3336 {
3337 .name = "flow_id",
e8b0e958 3338 .lname = "I/O flow ID",
9e684a49
DE		 3339 .type = FIO_OPT_INT,
3340 .off1 = td_var_offset(flow_id),
3341 .help = "The flow index ID to use",
3342 .def = "0",
e8b0e958
JA		 3343 .category = FIO_OPT_C_IO,
3344 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3345 },
3346 {
3347 .name = "flow",
e8b0e958 3348 .lname = "I/O flow weight",
9e684a49
DE		 3349 .type = FIO_OPT_INT,
3350 .off1 = td_var_offset(flow),
3351 .help = "Weight for flow control of this job",
3352 .parent = "flow_id",
d71c154c 3353 .hide = 1,
9e684a49 3354 .def = "0",
e8b0e958
JA		 3355 .category = FIO_OPT_C_IO,
3356 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3357 },
3358 {
3359 .name = "flow_watermark",
e8b0e958 3360 .lname = "I/O flow watermark",
9e684a49
DE		 3361 .type = FIO_OPT_INT,
3362 .off1 = td_var_offset(flow_watermark),
3363 .help = "High watermark for flow control. This option"
3364 " should be set to the same value for all threads"
3365 " with non-zero flow.",
3366 .parent = "flow_id",
d71c154c 3367 .hide = 1,
9e684a49 3368 .def = "1024",
e8b0e958
JA		 3369 .category = FIO_OPT_C_IO,
3370 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3371 },
3372 {
3373 .name = "flow_sleep",
e8b0e958 3374 .lname = "I/O flow sleep",
9e684a49
DE		 3375 .type = FIO_OPT_INT,
3376 .off1 = td_var_offset(flow_sleep),
3377 .help = "How many microseconds to sleep after being held"
3378 " back by the flow control mechanism",
3379 .parent = "flow_id",
d71c154c 3380 .hide = 1,
9e684a49 3381 .def = "0",
e8b0e958
JA		 3382 .category = FIO_OPT_C_IO,
3383 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3384 },
214e1eca
JA		 3385 {
3386 .name = NULL,
3387 },
3388};
3389
17af15d4 3390static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3391 const char *name, int val)
9f81736c 3392{
17af15d4 3393 lopt->name = (char *) name;
de890a1e 3394 lopt->val = val;
9f81736c 3395 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3396 lopt->has_arg = optional_argument;
9f81736c
JA		 3397 else
3398 lopt->has_arg = required_argument;
3399}
3400
de890a1e
SL		 3401static void options_to_lopts(struct fio_option *opts,
3402 struct option *long_options,
3403 int i, int option_type)
214e1eca 3404{
de890a1e 3405 struct fio_option *o = &opts[0];
214e1eca 3406 while (o->name) {
de890a1e 3407 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3408 if (o->alias) {
3409 i++;
de890a1e 3410 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3411 }
214e1eca
JA		 3412
3413 i++;
3414 o++;
3415 assert(i < FIO_NR_OPTIONS);
3416 }
3417}
3418
de890a1e
SL		 3419void fio_options_set_ioengine_opts(struct option *long_options,
3420 struct thread_data *td)
3421{
3422 unsigned int i;
3423
3424 i = 0;
3425 while (long_options[i].name) {
3426 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3427 memset(&long_options[i], 0, sizeof(*long_options));
3428 break;
3429 }
3430 i++;
3431 }
3432
3433 /*
3434 * Just clear out the prior ioengine options.
3435 */
3436 if (!td || !td->eo)
3437 return;
3438
3439 options_to_lopts(td->io_ops->options, long_options, i,
3440 FIO_GETOPT_IOENGINE);
3441}
3442
3443void fio_options_dup_and_init(struct option *long_options)
3444{
3445 unsigned int i;
3446
9af4a244 3447 options_init(fio_options);
de890a1e
SL		 3448
3449 i = 0;
3450 while (long_options[i].name)
3451 i++;
3452
9af4a244 3453 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3454}
3455
74929ac2
JA		 3456struct fio_keyword {
3457 const char *word;
3458 const char *desc;
3459 char *replace;
3460};
3461
3462static struct fio_keyword fio_keywords[] = {
3463 {
3464 .word = "$pagesize",
3465 .desc = "Page size in the system",
3466 },
3467 {
3468 .word = "$mb_memory",
3469 .desc = "Megabytes of memory online",
3470 },
3471 {
3472 .word = "$ncpus",
3473 .desc = "Number of CPUs online in the system",
3474 },
3475 {
3476 .word = NULL,
3477 },
3478};
3479
3480void fio_keywords_init(void)
3481{
3b2e1464 3482 unsigned long long mb_memory;
74929ac2
JA		 3483 char buf[128];
3484 long l;
3485
a4cfc477 3486 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3487 fio_keywords[0].replace = strdup(buf);
3488
8eb016d3 3489 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3490 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3491 fio_keywords[1].replace = strdup(buf);
3492
c00a2289 3493 l = cpus_online();
74929ac2
JA		 3494 sprintf(buf, "%lu", l);
3495 fio_keywords[2].replace = strdup(buf);
3496}
3497
892a6ffc
JA		 3498#define BC_APP "bc"
3499
3500static char *bc_calc(char *str)
3501{
d0c814ec 3502 char buf[128], *tmp;
892a6ffc
JA		 3503 FILE *f;
3504 int ret;
3505
3506 /*
3507 * No math, just return string
3508 */
d0c814ec
SL		 3509 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3510 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3511 return str;
3512
3513 /*
3514 * Split option from value, we only need to calculate the value
3515 */
3516 tmp = strchr(str, '=');
3517 if (!tmp)
3518 return str;
3519
3520 tmp++;
892a6ffc 3521
d0c814ec
SL		 3522 /*
3523 * Prevent buffer overflows; such a case isn't reasonable anyway
3524 */
3525 if (strlen(str) >= 128 || strlen(tmp) > 100)
3526 return str;
892a6ffc
JA		 3527
3528 sprintf(buf, "which %s > /dev/null", BC_APP);
3529 if (system(buf)) {
3530 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3531 return NULL;
3532 }
3533
d0c814ec 3534 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3535 f = popen(buf, "r");
3c3ed070 3536 if (!f)
892a6ffc 3537 return NULL;
892a6ffc 3538
d0c814ec 3539 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
3c3ed070 3540 if (ret <= 0)
892a6ffc 3541 return NULL;
892a6ffc 3542
892a6ffc 3543 pclose(f);
d0c814ec
SL		 3544 buf[(tmp - str) + ret - 1] = '\0';
3545 memcpy(buf, str, tmp - str);
892a6ffc 3546 free(str);
d0c814ec
SL		 3547 return strdup(buf);
3548}
3549
3550/*
3551 * Return a copy of the input string with substrings of the form ${VARNAME}
3552 * substituted with the value of the environment variable VARNAME. The
3553 * substitution always occurs, even if VARNAME is empty or the corresponding
3554 * environment variable undefined.
3555 */
3556static char *option_dup_subs(const char *opt)
3557{
3558 char out[OPT_LEN_MAX+1];
3559 char in[OPT_LEN_MAX+1];
3560 char *outptr = out;
3561 char *inptr = in;
3562 char *ch1, *ch2, *env;
3563 ssize_t nchr = OPT_LEN_MAX;
3564 size_t envlen;
3565
3566 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3567 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3568 return NULL;
3569 }
3570
3571 in[OPT_LEN_MAX] = '\0';
3572 strncpy(in, opt, OPT_LEN_MAX);
3573
3574 while (*inptr && nchr > 0) {
3575 if (inptr[0] == '$' && inptr[1] == '{') {
3576 ch2 = strchr(inptr, '}');
3577 if (ch2 && inptr+1 < ch2) {
3578 ch1 = inptr+2;
3579 inptr = ch2+1;
3580 *ch2 = '\0';
3581
3582 env = getenv(ch1);
3583 if (env) {
3584 envlen = strlen(env);
3585 if (envlen <= nchr) {
3586 memcpy(outptr, env, envlen);
3587 outptr += envlen;
3588 nchr -= envlen;
3589 }
3590 }
3591
3592 continue;
3593 }
3594 }
3595
3596 *outptr++ = *inptr++;
3597 --nchr;
3598 }
3599
3600 *outptr = '\0';
3601 return strdup(out);
892a6ffc
JA		 3602}
3603
74929ac2
JA		 3604/*
3605 * Look for reserved variable names and replace them with real values
3606 */
3607static char *fio_keyword_replace(char *opt)
3608{
3609 char *s;
3610 int i;
d0c814ec 3611 int docalc = 0;
74929ac2
JA		 3612
3613 for (i = 0; fio_keywords[i].word != NULL; i++) {
3614 struct fio_keyword *kw = &fio_keywords[i];
3615
3616 while ((s = strstr(opt, kw->word)) != NULL) {
3617 char *new = malloc(strlen(opt) + 1);
3618 char *o_org = opt;
3619 int olen = s - opt;
3620 int len;
3621
3622 /*
3623 * Copy part of the string before the keyword and
3624 * sprintf() the replacement after it.
3625 */
3626 memcpy(new, opt, olen);
3627 len = sprintf(new + olen, "%s", kw->replace);
3628
3629 /*
3630 * If there's more in the original string, copy that
3631 * in too
3632 */
3633 opt += strlen(kw->word) + olen;
3634 if (strlen(opt))
3635 memcpy(new + olen + len, opt, opt - o_org - 1);
3636
3637 /*
3638 * replace opt and free the old opt
3639 */
3640 opt = new;
d0c814ec 3641 free(o_org);
7a958bd5 3642
d0c814ec 3643 docalc = 1;
74929ac2
JA		 3644 }
3645 }
3646
d0c814ec
SL		 3647 /*
3648 * Check for potential math and invoke bc, if possible
3649 */
3650 if (docalc)
3651 opt = bc_calc(opt);
3652
7a958bd5 3653 return opt;
74929ac2
JA		 3654}
3655
d0c814ec
SL		 3656static char **dup_and_sub_options(char **opts, int num_opts)
3657{
3658 int i;
3659 char **opts_copy = malloc(num_opts * sizeof(*opts));
3660 for (i = 0; i < num_opts; i++) {
3661 opts_copy[i] = option_dup_subs(opts[i]);
3662 if (!opts_copy[i])
3663 continue;
3664 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3665 }
3666 return opts_copy;
3667}
3668
292cc475
JA		 3669int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3670 int dump_cmdline)
214e1eca 3671{
de890a1e 3672 int i, ret, unknown;
d0c814ec 3673 char **opts_copy;
3b8b7135 3674
9af4a244 3675 sort_options(opts, fio_options, num_opts);
d0c814ec 3676 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 3677
de890a1e
SL		 3678 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3679 struct fio_option *o;
9af4a244 3680 int newret = parse_option(opts_copy[i], opts[i], fio_options,
292cc475 3681 &o, td, dump_cmdline);
d0c814ec 3682
de890a1e
SL		 3683 if (opts_copy[i]) {
3684 if (newret && !o) {
3685 unknown++;
3686 continue;
3687 }
d0c814ec 3688 free(opts_copy[i]);
de890a1e
SL		 3689 opts_copy[i] = NULL;
3690 }
3691
3692 ret |= newret;
3693 }
3694
3695 if (unknown) {
3696 ret |= ioengine_load(td);
3697 if (td->eo) {
3698 sort_options(opts_copy, td->io_ops->options, num_opts);
3699 opts = opts_copy;
3700 }
3701 for (i = 0; i < num_opts; i++) {
3702 struct fio_option *o = NULL;
3703 int newret = 1;
3704 if (!opts_copy[i])
3705 continue;
3706
3707 if (td->eo)
3708 newret = parse_option(opts_copy[i], opts[i],
3709 td->io_ops->options, &o,
292cc475 3710 td->eo, dump_cmdline);
de890a1e
SL		 3711
3712 ret |= newret;
3713 if (!o)
3714 log_err("Bad option <%s>\n", opts[i]);
3715
3716 free(opts_copy[i]);
3717 opts_copy[i] = NULL;
3718 }
74929ac2 3719 }
3b8b7135 3720
d0c814ec 3721 free(opts_copy);
3b8b7135 3722 return ret;
214e1eca
JA		 3723}
3724
3725int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3726{
9af4a244 3727 return parse_cmd_option(opt, val, fio_options, td);
214e1eca
JA		 3728}
3729
de890a1e
SL		 3730int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3731 char *val)
3732{
8a96c80e 3733 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
de890a1e
SL		 3734}
3735
214e1eca
JA		 3736void fio_fill_default_options(struct thread_data *td)
3737{
9af4a244 3738 fill_default_options(td, fio_options);
214e1eca
JA		 3739}
3740
3741int fio_show_option_help(const char *opt)
3742{
9af4a244 3743 return show_cmd_help(fio_options, opt);
214e1eca 3744}
d23bb327 3745
de890a1e 3746void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 3747{
de890a1e 3748 struct fio_option *o;
d23bb327 3749 char **ptr;
d23bb327 3750
de890a1e
SL		 3751 for (o = &options[0]; o->name; o++) {
3752 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 3753 continue;
3754
f0fdbcaf 3755 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 3756 if (*ptr)
3757 *ptr = strdup(*ptr);
d23bb327
JA		 3758 }
3759}
3760
de890a1e
SL		 3761/*
3762 * dupe FIO_OPT_STR_STORE options
3763 */
3764void fio_options_mem_dupe(struct thread_data *td)
3765{
9af4a244 3766 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 3767
3768 if (td->eo && td->io_ops) {
de890a1e 3769 void *oldeo = td->eo;
1647f592 3770
de890a1e
SL		 3771 td->eo = malloc(td->io_ops->option_struct_size);
3772 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3773 options_mem_dupe(td->eo, td->io_ops->options);
3774 }
3775}
3776
d6978a32
JA		 3777unsigned int fio_get_kb_base(void *data)
3778{
83ea422a 3779 struct thread_options *o = data;
d6978a32
JA		 3780 unsigned int kb_base = 0;
3781
83ea422a
JA		 3782 if (o)
3783 kb_base = o->kb_base;
d6978a32
JA		 3784 if (!kb_base)
3785 kb_base = 1024;
3786
3787 return kb_base;
3788}
9f988e2e 3789
07b3232d 3790int add_option(struct fio_option *o)
9f988e2e 3791{
07b3232d
JA		 3792 struct fio_option *__o;
3793 int opt_index = 0;
3794
9af4a244 3795 __o = fio_options;
07b3232d
JA		 3796 while (__o->name) {
3797 opt_index++;
3798 __o++;
3799 }
3800
7b504edd
JA		 3801 if (opt_index + 1 == FIO_MAX_OPTS) {
3802 log_err("fio: FIO_MAX_OPTS is too small\n");
3803 return 1;
3804 }
3805
9af4a244 3806 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 3807 fio_options[opt_index + 1].name = NULL;
07b3232d 3808 return 0;
9f988e2e 3809}
e2de69da 3810
07b3232d 3811void invalidate_profile_options(const char *prof_name)
e2de69da 3812{
07b3232d 3813 struct fio_option *o;
e2de69da 3814
9af4a244 3815 o = fio_options;
07b3232d
JA		 3816 while (o->name) {
3817 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
3818 o->type = FIO_OPT_INVALID;
3819 o->prof_name = NULL;
3820 }
3821 o++;
e2de69da
JA		 3822 }
3823}
f5b6bb85
JA		 3824
3825void add_opt_posval(const char *optname, const char *ival, const char *help)
3826{
3827 struct fio_option *o;
3828 unsigned int i;
3829
9af4a244 3830 o = find_option(fio_options, optname);
f5b6bb85
JA		 3831 if (!o)
3832 return;
3833
3834 for (i = 0; i < PARSE_MAX_VP; i++) {
3835 if (o->posval[i].ival)
3836 continue;
3837
3838 o->posval[i].ival = ival;
3839 o->posval[i].help = help;
3840 break;
3841 }
3842}
3843
3844void del_opt_posval(const char *optname, const char *ival)
3845{
3846 struct fio_option *o;
3847 unsigned int i;
3848
9af4a244 3849 o = find_option(fio_options, optname);
f5b6bb85
JA		 3850 if (!o)
3851 return;
3852
3853 for (i = 0; i < PARSE_MAX_VP; i++) {
3854 if (!o->posval[i].ival)
3855 continue;
3856 if (strcmp(o->posval[i].ival, ival))
3857 continue;
3858
3859 o->posval[i].ival = NULL;
3860 o->posval[i].help = NULL;
3861 }
3862}
7e356b2d
JA		 3863
3864void fio_options_free(struct thread_data *td)
3865{
9af4a244 3866 options_free(fio_options, td);
de890a1e
SL		 3867 if (td->eo && td->io_ops && td->io_ops->options) {
3868 options_free(td->io_ops->options, td->eo);
3869 free(td->eo);
3870 td->eo = NULL;
3871 }
7e356b2d 3872}
c504ee55
JA		 3873
3874struct fio_option *fio_option_find(const char *name)
3875{
3876 return find_option(fio_options, name);
3877}
3878
fio - Flexible IO Tester