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fio: provide an option for a startdelay range
[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 2020 .off1 = td_var_offset(start_delay),
23ed19b0 2021 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2022 .help = "Only start job when this period has passed",
2023 .def = "0",
e8b0e958 2024 .category = FIO_OPT_C_GENERAL,
a1f6afec 2025 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2026 },
2027 {
2028 .name = "runtime",
e8b0e958 2029 .lname = "Runtime",
214e1eca
JA		 2030 .alias = "timeout",
2031 .type = FIO_OPT_STR_VAL_TIME,
2032 .off1 = td_var_offset(timeout),
2033 .help = "Stop workload when this amount of time has passed",
2034 .def = "0",
e8b0e958 2035 .category = FIO_OPT_C_GENERAL,
a1f6afec 2036 .group = FIO_OPT_G_RUNTIME,
214e1eca 2037 },
cf4464ca
JA		 2038 {
2039 .name = "time_based",
e8b0e958 2040 .lname = "Time based",
cf4464ca
JA		 2041 .type = FIO_OPT_STR_SET,
2042 .off1 = td_var_offset(time_based),
2043 .help = "Keep running until runtime/timeout is met",
e8b0e958 2044 .category = FIO_OPT_C_GENERAL,
a1f6afec 2045 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2046 },
62167762
JC		 2047 {
2048 .name = "verify_only",
2049 .lname = "Verify only",
2050 .type = FIO_OPT_STR_SET,
2051 .off1 = td_var_offset(verify_only),
2052 .help = "Verifies previously written data is still valid",
2053 .category = FIO_OPT_C_GENERAL,
2054 .group = FIO_OPT_G_RUNTIME,
2055 },
721938ae
JA		 2056 {
2057 .name = "ramp_time",
e8b0e958 2058 .lname = "Ramp time",
721938ae
JA		 2059 .type = FIO_OPT_STR_VAL_TIME,
2060 .off1 = td_var_offset(ramp_time),
2061 .help = "Ramp up time before measuring performance",
e8b0e958 2062 .category = FIO_OPT_C_GENERAL,
a1f6afec 2063 .group = FIO_OPT_G_RUNTIME,
721938ae 2064 },
c223da83
JA		 2065 {
2066 .name = "clocksource",
e8b0e958 2067 .lname = "Clock source",
c223da83
JA		 2068 .type = FIO_OPT_STR,
2069 .cb = fio_clock_source_cb,
2070 .off1 = td_var_offset(clocksource),
2071 .help = "What type of timing source to use",
e8b0e958 2072 .category = FIO_OPT_C_GENERAL,
10860056 2073 .group = FIO_OPT_G_CLOCK,
c223da83 2074 .posval = {
67bf9823 2075#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2076 { .ival = "gettimeofday",
2077 .oval = CS_GTOD,
2078 .help = "Use gettimeofday(2) for timing",
2079 },
67bf9823
JA		 2080#endif
2081#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2082 { .ival = "clock_gettime",
2083 .oval = CS_CGETTIME,
2084 .help = "Use clock_gettime(2) for timing",
2085 },
67bf9823 2086#endif
c223da83
JA		 2087#ifdef ARCH_HAVE_CPU_CLOCK
2088 { .ival = "cpu",
2089 .oval = CS_CPUCLOCK,
2090 .help = "Use CPU private clock",
2091 },
2092#endif
2093 },
2094 },
214e1eca
JA		 2095 {
2096 .name = "mem",
d3aad8f2 2097 .alias = "iomem",
e8b0e958 2098 .lname = "I/O Memory",
214e1eca
JA		 2099 .type = FIO_OPT_STR,
2100 .cb = str_mem_cb,
2101 .off1 = td_var_offset(mem_type),
2102 .help = "Backing type for IO buffers",
2103 .def = "malloc",
e8b0e958
JA		 2104 .category = FIO_OPT_C_IO,
2105 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2106 .posval = {
2107 { .ival = "malloc",
2108 .oval = MEM_MALLOC,
2109 .help = "Use malloc(3) for IO buffers",
2110 },
37c8cdfe
JA		 2111 { .ival = "shm",
2112 .oval = MEM_SHM,
2113 .help = "Use shared memory segments for IO buffers",
2114 },
214e1eca
JA		 2115#ifdef FIO_HAVE_HUGETLB
2116 { .ival = "shmhuge",
2117 .oval = MEM_SHMHUGE,
2118 .help = "Like shm, but use huge pages",
2119 },
b370e46a 2120#endif
37c8cdfe
JA		 2121 { .ival = "mmap",
2122 .oval = MEM_MMAP,
2123 .help = "Use mmap(2) (file or anon) for IO buffers",
2124 },
214e1eca
JA		 2125#ifdef FIO_HAVE_HUGETLB
2126 { .ival = "mmaphuge",
2127 .oval = MEM_MMAPHUGE,
2128 .help = "Like mmap, but use huge pages",
2129 },
2130#endif
2131 },
2132 },
d529ee19
JA		 2133 {
2134 .name = "iomem_align",
2135 .alias = "mem_align",
e8b0e958 2136 .lname = "I/O memory alignment",
d529ee19
JA		 2137 .type = FIO_OPT_INT,
2138 .off1 = td_var_offset(mem_align),
2139 .minval = 0,
2140 .help = "IO memory buffer offset alignment",
2141 .def = "0",
2142 .parent = "iomem",
d71c154c 2143 .hide = 1,
e8b0e958
JA		 2144 .category = FIO_OPT_C_IO,
2145 .group = FIO_OPT_G_INVALID,
d529ee19 2146 },
214e1eca
JA		 2147 {
2148 .name = "verify",
e8b0e958 2149 .lname = "Verify",
214e1eca
JA		 2150 .type = FIO_OPT_STR,
2151 .off1 = td_var_offset(verify),
2152 .help = "Verify data written",
2153 .def = "0",
e8b0e958 2154 .category = FIO_OPT_C_IO,
3ceb458f 2155 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2156 .posval = {
2157 { .ival = "0",
2158 .oval = VERIFY_NONE,
2159 .help = "Don't do IO verification",
2160 },
fcca4b58
JA		 2161 { .ival = "md5",
2162 .oval = VERIFY_MD5,
2163 .help = "Use md5 checksums for verification",
2164 },
d77a7af3
JA		 2165 { .ival = "crc64",
2166 .oval = VERIFY_CRC64,
2167 .help = "Use crc64 checksums for verification",
2168 },
214e1eca
JA		 2169 { .ival = "crc32",
2170 .oval = VERIFY_CRC32,
2171 .help = "Use crc32 checksums for verification",
2172 },
af497e6a 2173 { .ival = "crc32c-intel",
e3aaafc4
JA		 2174 .oval = VERIFY_CRC32C,
2175 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2176 },
bac39e0e
JA		 2177 { .ival = "crc32c",
2178 .oval = VERIFY_CRC32C,
e3aaafc4 2179 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2180 },
969f7ed3
JA		 2181 { .ival = "crc16",
2182 .oval = VERIFY_CRC16,
2183 .help = "Use crc16 checksums for verification",
2184 },
1e154bdb
JA		 2185 { .ival = "crc7",
2186 .oval = VERIFY_CRC7,
2187 .help = "Use crc7 checksums for verification",
2188 },
7c353ceb
JA		 2189 { .ival = "sha1",
2190 .oval = VERIFY_SHA1,
2191 .help = "Use sha1 checksums for verification",
2192 },
cd14cc10
JA		 2193 { .ival = "sha256",
2194 .oval = VERIFY_SHA256,
2195 .help = "Use sha256 checksums for verification",
2196 },
2197 { .ival = "sha512",
2198 .oval = VERIFY_SHA512,
2199 .help = "Use sha512 checksums for verification",
2200 },
7437ee87
SL		 2201 { .ival = "meta",
2202 .oval = VERIFY_META,
2203 .help = "Use io information",
2204 },
36690c9b
JA		 2205 {
2206 .ival = "null",
2207 .oval = VERIFY_NULL,
2208 .help = "Pretend to verify",
2209 },
214e1eca
JA		 2210 },
2211 },
005c565a
JA		 2212 {
2213 .name = "do_verify",
e8b0e958 2214 .lname = "Perform verify step",
68e1f29a 2215 .type = FIO_OPT_BOOL,
005c565a
JA		 2216 .off1 = td_var_offset(do_verify),
2217 .help = "Run verification stage after write",
2218 .def = "1",
2219 .parent = "verify",
d71c154c 2220 .hide = 1,
e8b0e958
JA		 2221 .category = FIO_OPT_C_IO,
2222 .group = FIO_OPT_G_VERIFY,
005c565a 2223 },
160b966d
JA		 2224 {
2225 .name = "verifysort",
e8b0e958 2226 .lname = "Verify sort",
160b966d
JA		 2227 .type = FIO_OPT_BOOL,
2228 .off1 = td_var_offset(verifysort),
2229 .help = "Sort written verify blocks for read back",
2230 .def = "1",
c83f2df1 2231 .parent = "verify",
d71c154c 2232 .hide = 1,
e8b0e958
JA		 2233 .category = FIO_OPT_C_IO,
2234 .group = FIO_OPT_G_VERIFY,
160b966d 2235 },
1ae83d45
JA		 2236 {
2237 .name = "verifysort_nr",
2238 .type = FIO_OPT_INT,
2239 .off1 = td_var_offset(verifysort_nr),
2240 .help = "Pre-load and sort verify blocks for a read workload",
2241 .minval = 0,
2242 .maxval = 131072,
2243 .def = "1024",
2244 .parent = "verify",
836fcc0f
JA		 2245 .category = FIO_OPT_C_IO,
2246 .group = FIO_OPT_G_VERIFY,
1ae83d45 2247 },
3f9f4e26 2248 {
a59e170d 2249 .name = "verify_interval",
e8b0e958 2250 .lname = "Verify interval",
e01b22b8 2251 .type = FIO_OPT_INT,
a59e170d 2252 .off1 = td_var_offset(verify_interval),
819a9680 2253 .minval = 2 * sizeof(struct verify_header),
a59e170d 2254 .help = "Store verify buffer header every N bytes",
afdf9352 2255 .parent = "verify",
d71c154c 2256 .hide = 1,
20eb06bd 2257 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2258 .category = FIO_OPT_C_IO,
2259 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2260 },
546a9142 2261 {
a59e170d 2262 .name = "verify_offset",
e8b0e958 2263 .lname = "Verify offset",
e01b22b8 2264 .type = FIO_OPT_INT,
a59e170d 2265 .help = "Offset verify header location by N bytes",
203160d5
JA		 2266 .off1 = td_var_offset(verify_offset),
2267 .minval = sizeof(struct verify_header),
afdf9352 2268 .parent = "verify",
d71c154c 2269 .hide = 1,
e8b0e958
JA		 2270 .category = FIO_OPT_C_IO,
2271 .group = FIO_OPT_G_VERIFY,
546a9142 2272 },
e28218f3
SL		 2273 {
2274 .name = "verify_pattern",
e8b0e958 2275 .lname = "Verify pattern",
0e92f873 2276 .type = FIO_OPT_STR,
e28218f3
SL		 2277 .cb = str_verify_pattern_cb,
2278 .help = "Fill pattern for IO buffers",
2279 .parent = "verify",
d71c154c 2280 .hide = 1,
e8b0e958
JA		 2281 .category = FIO_OPT_C_IO,
2282 .group = FIO_OPT_G_VERIFY,
e28218f3 2283 },
a12a3b4d
JA		 2284 {
2285 .name = "verify_fatal",
e8b0e958 2286 .lname = "Verify fatal",
68e1f29a 2287 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2288 .off1 = td_var_offset(verify_fatal),
2289 .def = "0",
2290 .help = "Exit on a single verify failure, don't continue",
2291 .parent = "verify",
d71c154c 2292 .hide = 1,
e8b0e958
JA		 2293 .category = FIO_OPT_C_IO,
2294 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2295 },
b463e936
JA		 2296 {
2297 .name = "verify_dump",
e8b0e958 2298 .lname = "Verify dump",
b463e936
JA		 2299 .type = FIO_OPT_BOOL,
2300 .off1 = td_var_offset(verify_dump),
ef71e317 2301 .def = "0",
b463e936
JA		 2302 .help = "Dump contents of good and bad blocks on failure",
2303 .parent = "verify",
d71c154c 2304 .hide = 1,
e8b0e958
JA		 2305 .category = FIO_OPT_C_IO,
2306 .group = FIO_OPT_G_VERIFY,
b463e936 2307 },
e8462bd8
JA		 2308 {
2309 .name = "verify_async",
e8b0e958 2310 .lname = "Verify asynchronously",
e8462bd8
JA		 2311 .type = FIO_OPT_INT,
2312 .off1 = td_var_offset(verify_async),
2313 .def = "0",
2314 .help = "Number of async verifier threads to use",
2315 .parent = "verify",
d71c154c 2316 .hide = 1,
e8b0e958
JA		 2317 .category = FIO_OPT_C_IO,
2318 .group = FIO_OPT_G_VERIFY,
e8462bd8 2319 },
9e144189
JA		 2320 {
2321 .name = "verify_backlog",
e8b0e958 2322 .lname = "Verify backlog",
9e144189
JA		 2323 .type = FIO_OPT_STR_VAL,
2324 .off1 = td_var_offset(verify_backlog),
2325 .help = "Verify after this number of blocks are written",
2326 .parent = "verify",
d71c154c 2327 .hide = 1,
e8b0e958
JA		 2328 .category = FIO_OPT_C_IO,
2329 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2330 },
2331 {
2332 .name = "verify_backlog_batch",
e8b0e958 2333 .lname = "Verify backlog batch",
9e144189
JA		 2334 .type = FIO_OPT_INT,
2335 .off1 = td_var_offset(verify_batch),
2336 .help = "Verify this number of IO blocks",
0d29de83 2337 .parent = "verify",
d71c154c 2338 .hide = 1,
e8b0e958
JA		 2339 .category = FIO_OPT_C_IO,
2340 .group = FIO_OPT_G_VERIFY,
9e144189 2341 },
e8462bd8
JA		 2342#ifdef FIO_HAVE_CPU_AFFINITY
2343 {
2344 .name = "verify_async_cpus",
e8b0e958 2345 .lname = "Async verify CPUs",
e8462bd8
JA		 2346 .type = FIO_OPT_STR,
2347 .cb = str_verify_cpus_allowed_cb,
2348 .help = "Set CPUs allowed for async verify threads",
2349 .parent = "verify_async",
d71c154c 2350 .hide = 1,
e8b0e958
JA		 2351 .category = FIO_OPT_C_IO,
2352 .group = FIO_OPT_G_VERIFY,
e8462bd8 2353 },
0d29de83 2354#endif
51aa2da8
JA		 2355 {
2356 .name = "experimental_verify",
2357 .off1 = td_var_offset(experimental_verify),
2358 .type = FIO_OPT_BOOL,
b31eaac9 2359 .help = "Enable experimental verification",
836fcc0f
JA		 2360 .category = FIO_OPT_C_IO,
2361 .group = FIO_OPT_G_VERIFY,
51aa2da8 2362 },
0d29de83
JA		 2363#ifdef FIO_HAVE_TRIM
2364 {
2365 .name = "trim_percentage",
e8b0e958 2366 .lname = "Trim percentage",
0d29de83 2367 .type = FIO_OPT_INT,
203160d5 2368 .off1 = td_var_offset(trim_percentage),
20eb06bd 2369 .minval = 0,
0d29de83
JA		 2370 .maxval = 100,
2371 .help = "Number of verify blocks to discard/trim",
2372 .parent = "verify",
2373 .def = "0",
20eb06bd 2374 .interval = 1,
d71c154c 2375 .hide = 1,
e8b0e958
JA		 2376 .category = FIO_OPT_C_IO,
2377 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2378 },
2379 {
2380 .name = "trim_verify_zero",
e8b0e958 2381 .lname = "Verify trim zero",
20eb06bd 2382 .type = FIO_OPT_BOOL,
0d29de83
JA		 2383 .help = "Verify that trim/discarded blocks are returned as zeroes",
2384 .off1 = td_var_offset(trim_zero),
2385 .parent = "trim_percentage",
d71c154c 2386 .hide = 1,
0d29de83 2387 .def = "1",
e8b0e958
JA		 2388 .category = FIO_OPT_C_IO,
2389 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2390 },
2391 {
2392 .name = "trim_backlog",
e8b0e958 2393 .lname = "Trim backlog",
0d29de83
JA		 2394 .type = FIO_OPT_STR_VAL,
2395 .off1 = td_var_offset(trim_backlog),
2396 .help = "Trim after this number of blocks are written",
2397 .parent = "trim_percentage",
d71c154c 2398 .hide = 1,
20eb06bd 2399 .interval = 1,
e8b0e958
JA		 2400 .category = FIO_OPT_C_IO,
2401 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2402 },
2403 {
2404 .name = "trim_backlog_batch",
e8b0e958 2405 .lname = "Trim backlog batch",
0d29de83
JA		 2406 .type = FIO_OPT_INT,
2407 .off1 = td_var_offset(trim_batch),
2408 .help = "Trim this number of IO blocks",
2409 .parent = "trim_percentage",
d71c154c 2410 .hide = 1,
20eb06bd 2411 .interval = 1,
e8b0e958
JA		 2412 .category = FIO_OPT_C_IO,
2413 .group = FIO_OPT_G_TRIM,
0d29de83 2414 },
e8462bd8 2415#endif
214e1eca
JA		 2416 {
2417 .name = "write_iolog",
e8b0e958 2418 .lname = "Write I/O log",
214e1eca
JA		 2419 .type = FIO_OPT_STR_STORE,
2420 .off1 = td_var_offset(write_iolog_file),
2421 .help = "Store IO pattern to file",
e8b0e958
JA		 2422 .category = FIO_OPT_C_IO,
2423 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2424 },
2425 {
2426 .name = "read_iolog",
e8b0e958 2427 .lname = "Read I/O log",
214e1eca
JA		 2428 .type = FIO_OPT_STR_STORE,
2429 .off1 = td_var_offset(read_iolog_file),
2430 .help = "Playback IO pattern from file",
e8b0e958
JA		 2431 .category = FIO_OPT_C_IO,
2432 .group = FIO_OPT_G_IOLOG,
214e1eca 2433 },
64bbb865
DN		 2434 {
2435 .name = "replay_no_stall",
e8b0e958 2436 .lname = "Don't stall on replay",
20eb06bd 2437 .type = FIO_OPT_BOOL,
64bbb865
DN		 2438 .off1 = td_var_offset(no_stall),
2439 .def = "0",
87e7a972 2440 .parent = "read_iolog",
d71c154c 2441 .hide = 1,
64bbb865 2442 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2443 .category = FIO_OPT_C_IO,
2444 .group = FIO_OPT_G_IOLOG,
64bbb865 2445 },
d1c46c04
DN		 2446 {
2447 .name = "replay_redirect",
e8b0e958 2448 .lname = "Redirect device for replay",
d1c46c04
DN		 2449 .type = FIO_OPT_STR_STORE,
2450 .off1 = td_var_offset(replay_redirect),
2451 .parent = "read_iolog",
d71c154c 2452 .hide = 1,
d1c46c04 2453 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2454 .category = FIO_OPT_C_IO,
2455 .group = FIO_OPT_G_IOLOG,
d1c46c04 2456 },
214e1eca
JA		 2457 {
2458 .name = "exec_prerun",
e8b0e958 2459 .lname = "Pre-execute runnable",
214e1eca
JA		 2460 .type = FIO_OPT_STR_STORE,
2461 .off1 = td_var_offset(exec_prerun),
2462 .help = "Execute this file prior to running job",
e8b0e958
JA		 2463 .category = FIO_OPT_C_GENERAL,
2464 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2465 },
2466 {
2467 .name = "exec_postrun",
e8b0e958 2468 .lname = "Post-execute runnable",
214e1eca
JA		 2469 .type = FIO_OPT_STR_STORE,
2470 .off1 = td_var_offset(exec_postrun),
2471 .help = "Execute this file after running job",
e8b0e958
JA		 2472 .category = FIO_OPT_C_GENERAL,
2473 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2474 },
2475#ifdef FIO_HAVE_IOSCHED_SWITCH
2476 {
2477 .name = "ioscheduler",
e8b0e958 2478 .lname = "I/O scheduler",
214e1eca
JA		 2479 .type = FIO_OPT_STR_STORE,
2480 .off1 = td_var_offset(ioscheduler),
2481 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2482 .category = FIO_OPT_C_FILE,
2483 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2484 },
2485#endif
2486 {
2487 .name = "zonesize",
e8b0e958 2488 .lname = "Zone size",
214e1eca
JA		 2489 .type = FIO_OPT_STR_VAL,
2490 .off1 = td_var_offset(zone_size),
ed335855
SN		 2491 .help = "Amount of data to read per zone",
2492 .def = "0",
20eb06bd 2493 .interval = 1024 * 1024,
e8b0e958
JA		 2494 .category = FIO_OPT_C_IO,
2495 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2496 },
2497 {
2498 .name = "zonerange",
e8b0e958 2499 .lname = "Zone range",
ed335855
SN		 2500 .type = FIO_OPT_STR_VAL,
2501 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2502 .help = "Give size of an IO zone",
2503 .def = "0",
20eb06bd 2504 .interval = 1024 * 1024,
e8b0e958
JA		 2505 .category = FIO_OPT_C_IO,
2506 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2507 },
2508 {
2509 .name = "zoneskip",
e8b0e958 2510 .lname = "Zone skip",
214e1eca
JA		 2511 .type = FIO_OPT_STR_VAL,
2512 .off1 = td_var_offset(zone_skip),
2513 .help = "Space between IO zones",
2514 .def = "0",
20eb06bd 2515 .interval = 1024 * 1024,
e8b0e958
JA		 2516 .category = FIO_OPT_C_IO,
2517 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2518 },
2519 {
2520 .name = "lockmem",
e8b0e958 2521 .lname = "Lock memory",
214e1eca 2522 .type = FIO_OPT_STR_VAL,
1b79a070 2523 .off1 = td_var_offset(lockmem),
81c6b6cd 2524 .help = "Lock down this amount of memory (per worker)",
214e1eca 2525 .def = "0",
20eb06bd 2526 .interval = 1024 * 1024,
e8b0e958
JA		 2527 .category = FIO_OPT_C_GENERAL,
2528 .group = FIO_OPT_G_INVALID,
214e1eca 2529 },
214e1eca
JA		 2530 {
2531 .name = "rwmixread",
e8b0e958 2532 .lname = "Read/write mix read",
214e1eca 2533 .type = FIO_OPT_INT,
cb499fc4 2534 .cb = str_rwmix_read_cb,
214e1eca
JA		 2535 .maxval = 100,
2536 .help = "Percentage of mixed workload that is reads",
2537 .def = "50",
20eb06bd 2538 .interval = 5,
90265353 2539 .inverse = "rwmixwrite",
e8b0e958
JA		 2540 .category = FIO_OPT_C_IO,
2541 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2542 },
2543 {
2544 .name = "rwmixwrite",
e8b0e958 2545 .lname = "Read/write mix write",
214e1eca 2546 .type = FIO_OPT_INT,
cb499fc4 2547 .cb = str_rwmix_write_cb,
214e1eca
JA		 2548 .maxval = 100,
2549 .help = "Percentage of mixed workload that is writes",
2550 .def = "50",
20eb06bd 2551 .interval = 5,
90265353 2552 .inverse = "rwmixread",
e8b0e958
JA		 2553 .category = FIO_OPT_C_IO,
2554 .group = FIO_OPT_G_RWMIX,
214e1eca 2555 },
afdf9352
JA		 2556 {
2557 .name = "rwmixcycle",
e8b0e958 2558 .lname = "Read/write mix cycle",
15ca150e 2559 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2560 .category = FIO_OPT_C_IO,
2561 .group = FIO_OPT_G_RWMIX,
afdf9352 2562 },
214e1eca
JA		 2563 {
2564 .name = "nice",
e8b0e958 2565 .lname = "Nice",
214e1eca
JA		 2566 .type = FIO_OPT_INT,
2567 .off1 = td_var_offset(nice),
2568 .help = "Set job CPU nice value",
2569 .minval = -19,
2570 .maxval = 20,
2571 .def = "0",
20eb06bd 2572 .interval = 1,
e8b0e958 2573 .category = FIO_OPT_C_GENERAL,
10860056 2574 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2575 },
2576#ifdef FIO_HAVE_IOPRIO
2577 {
2578 .name = "prio",
e8b0e958 2579 .lname = "I/O nice priority",
214e1eca 2580 .type = FIO_OPT_INT,
28727df7 2581 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2582 .help = "Set job IO priority value",
2583 .minval = 0,
2584 .maxval = 7,
20eb06bd 2585 .interval = 1,
e8b0e958 2586 .category = FIO_OPT_C_GENERAL,
10860056 2587 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2588 },
2589 {
2590 .name = "prioclass",
e8b0e958 2591 .lname = "I/O nice priority class",
214e1eca 2592 .type = FIO_OPT_INT,
28727df7 2593 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2594 .help = "Set job IO priority class",
2595 .minval = 0,
2596 .maxval = 3,
20eb06bd 2597 .interval = 1,
e8b0e958 2598 .category = FIO_OPT_C_GENERAL,
10860056 2599 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2600 },
2601#endif
2602 {
2603 .name = "thinktime",
e8b0e958 2604 .lname = "Thinktime",
214e1eca
JA		 2605 .type = FIO_OPT_INT,
2606 .off1 = td_var_offset(thinktime),
2607 .help = "Idle time between IO buffers (usec)",
2608 .def = "0",
e8b0e958 2609 .category = FIO_OPT_C_IO,
3ceb458f 2610 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2611 },
2612 {
2613 .name = "thinktime_spin",
e8b0e958 2614 .lname = "Thinktime spin",
214e1eca
JA		 2615 .type = FIO_OPT_INT,
2616 .off1 = td_var_offset(thinktime_spin),
2617 .help = "Start think time by spinning this amount (usec)",
2618 .def = "0",
afdf9352 2619 .parent = "thinktime",
d71c154c 2620 .hide = 1,
e8b0e958 2621 .category = FIO_OPT_C_IO,
3ceb458f 2622 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2623 },
2624 {
2625 .name = "thinktime_blocks",
e8b0e958 2626 .lname = "Thinktime blocks",
214e1eca
JA		 2627 .type = FIO_OPT_INT,
2628 .off1 = td_var_offset(thinktime_blocks),
2629 .help = "IO buffer period between 'thinktime'",
2630 .def = "1",
afdf9352 2631 .parent = "thinktime",
d71c154c 2632 .hide = 1,
e8b0e958 2633 .category = FIO_OPT_C_IO,
3ceb458f 2634 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2635 },
2636 {
2637 .name = "rate",
e8b0e958 2638 .lname = "I/O rate",
e01b22b8 2639 .type = FIO_OPT_INT,
6eaf09d6
SL		 2640 .off1 = td_var_offset(rate[DDIR_READ]),
2641 .off2 = td_var_offset(rate[DDIR_WRITE]),
2642 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2643 .help = "Set bandwidth rate",
e8b0e958
JA		 2644 .category = FIO_OPT_C_IO,
2645 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2646 },
2647 {
2648 .name = "ratemin",
e8b0e958 2649 .lname = "I/O min rate",
e01b22b8 2650 .type = FIO_OPT_INT,
6eaf09d6
SL		 2651 .off1 = td_var_offset(ratemin[DDIR_READ]),
2652 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2653 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2654 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2655 .parent = "rate",
d71c154c 2656 .hide = 1,
e8b0e958
JA		 2657 .category = FIO_OPT_C_IO,
2658 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2659 },
2660 {
2661 .name = "rate_iops",
e8b0e958 2662 .lname = "I/O rate IOPS",
e01b22b8 2663 .type = FIO_OPT_INT,
6eaf09d6
SL		 2664 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2665 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2666 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2667 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2668 .hide = 1,
e8b0e958
JA		 2669 .category = FIO_OPT_C_IO,
2670 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2671 },
2672 {
2673 .name = "rate_iops_min",
e8b0e958 2674 .lname = "I/O min rate IOPS",
e01b22b8 2675 .type = FIO_OPT_INT,
6eaf09d6
SL		 2676 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2677 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2678 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2679 .help = "Job must meet this rate or it will be shut down",
afdf9352 2680 .parent = "rate_iops",
d71c154c 2681 .hide = 1,
e8b0e958
JA		 2682 .category = FIO_OPT_C_IO,
2683 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2684 },
2685 {
2686 .name = "ratecycle",
e8b0e958 2687 .lname = "I/O rate cycle",
214e1eca
JA		 2688 .type = FIO_OPT_INT,
2689 .off1 = td_var_offset(ratecycle),
2690 .help = "Window average for rate limits (msec)",
2691 .def = "1000",
afdf9352 2692 .parent = "rate",
d71c154c 2693 .hide = 1,
e8b0e958
JA		 2694 .category = FIO_OPT_C_IO,
2695 .group = FIO_OPT_G_RATE,
214e1eca 2696 },
15501535
JA		 2697 {
2698 .name = "max_latency",
2699 .type = FIO_OPT_INT,
2700 .off1 = td_var_offset(max_latency),
2701 .help = "Maximum tolerated IO latency (usec)",
1e5324e7 2702 .category = FIO_OPT_C_IO,
3e260a46
JA		 2703 .group = FIO_OPT_G_LATPROF,
2704 },
2705 {
2706 .name = "latency_target",
2707 .lname = "Latency Target (usec)",
2708 .type = FIO_OPT_STR_VAL_TIME,
2709 .off1 = td_var_offset(latency_target),
2710 .help = "Ramp to max queue depth supporting this latency",
2711 .category = FIO_OPT_C_IO,
2712 .group = FIO_OPT_G_LATPROF,
2713 },
2714 {
2715 .name = "latency_window",
2716 .lname = "Latency Window (usec)",
2717 .type = FIO_OPT_STR_VAL_TIME,
2718 .off1 = td_var_offset(latency_window),
2719 .help = "Time to sustain latency_target",
2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_LATPROF,
2722 },
2723 {
2724 .name = "latency_percentile",
2725 .lname = "Latency Percentile",
2726 .type = FIO_OPT_FLOAT_LIST,
2727 .off1 = td_var_offset(latency_percentile),
2728 .help = "Percentile of IOs must be below latency_target",
2729 .def = "100",
2730 .maxlen = 1,
2731 .minfp = 0.0,
2732 .maxfp = 100.0,
2733 .category = FIO_OPT_C_IO,
2734 .group = FIO_OPT_G_LATPROF,
15501535 2735 },
214e1eca
JA		 2736 {
2737 .name = "invalidate",
e8b0e958 2738 .lname = "Cache invalidate",
214e1eca
JA		 2739 .type = FIO_OPT_BOOL,
2740 .off1 = td_var_offset(invalidate_cache),
2741 .help = "Invalidate buffer/page cache prior to running job",
2742 .def = "1",
e8b0e958 2743 .category = FIO_OPT_C_IO,
3ceb458f 2744 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2745 },
2746 {
2747 .name = "sync",
e8b0e958 2748 .lname = "Synchronous I/O",
214e1eca
JA		 2749 .type = FIO_OPT_BOOL,
2750 .off1 = td_var_offset(sync_io),
2751 .help = "Use O_SYNC for buffered writes",
2752 .def = "0",
67a1000f 2753 .parent = "buffered",
d71c154c 2754 .hide = 1,
e8b0e958 2755 .category = FIO_OPT_C_IO,
3ceb458f 2756 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2757 },
214e1eca
JA		 2758 {
2759 .name = "create_serialize",
e8b0e958 2760 .lname = "Create serialize",
214e1eca
JA		 2761 .type = FIO_OPT_BOOL,
2762 .off1 = td_var_offset(create_serialize),
2763 .help = "Serialize creating of job files",
2764 .def = "1",
e8b0e958
JA		 2765 .category = FIO_OPT_C_FILE,
2766 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2767 },
2768 {
2769 .name = "create_fsync",
e8b0e958 2770 .lname = "Create fsync",
214e1eca
JA		 2771 .type = FIO_OPT_BOOL,
2772 .off1 = td_var_offset(create_fsync),
03e20d68 2773 .help = "fsync file after creation",
214e1eca 2774 .def = "1",
e8b0e958
JA		 2775 .category = FIO_OPT_C_FILE,
2776 .group = FIO_OPT_G_INVALID,
214e1eca 2777 },
814452bd
JA		 2778 {
2779 .name = "create_on_open",
e8b0e958 2780 .lname = "Create on open",
814452bd
JA		 2781 .type = FIO_OPT_BOOL,
2782 .off1 = td_var_offset(create_on_open),
2783 .help = "Create files when they are opened for IO",
2784 .def = "0",
e8b0e958
JA		 2785 .category = FIO_OPT_C_FILE,
2786 .group = FIO_OPT_G_INVALID,
814452bd 2787 },
25460cf6
JA		 2788 {
2789 .name = "create_only",
2790 .type = FIO_OPT_BOOL,
2791 .off1 = td_var_offset(create_only),
2792 .help = "Only perform file creation phase",
d17fda71 2793 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2794 .def = "0",
2795 },
0b9d69ec 2796 {
afad68f7 2797 .name = "pre_read",
e8b0e958 2798 .lname = "Pre-read files",
afad68f7
ZY		 2799 .type = FIO_OPT_BOOL,
2800 .off1 = td_var_offset(pre_read),
03e20d68 2801 .help = "Pre-read files before starting official testing",
afad68f7 2802 .def = "0",
e8b0e958
JA		 2803 .category = FIO_OPT_C_FILE,
2804 .group = FIO_OPT_G_INVALID,
afad68f7 2805 },
214e1eca
JA		 2806#ifdef FIO_HAVE_CPU_AFFINITY
2807 {
2808 .name = "cpumask",
e8b0e958 2809 .lname = "CPU mask",
214e1eca
JA		 2810 .type = FIO_OPT_INT,
2811 .cb = str_cpumask_cb,
2812 .help = "CPU affinity mask",
e8b0e958 2813 .category = FIO_OPT_C_GENERAL,
10860056 2814 .group = FIO_OPT_G_CRED,
214e1eca 2815 },
d2e268b0
JA		 2816 {
2817 .name = "cpus_allowed",
e8b0e958 2818 .lname = "CPUs allowed",
d2e268b0
JA		 2819 .type = FIO_OPT_STR,
2820 .cb = str_cpus_allowed_cb,
2821 .help = "Set CPUs allowed",
e8b0e958 2822 .category = FIO_OPT_C_GENERAL,
10860056 2823 .group = FIO_OPT_G_CRED,
d2e268b0 2824 },
d0b937ed 2825#endif
67bf9823 2826#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 2827 {
2828 .name = "numa_cpu_nodes",
2829 .type = FIO_OPT_STR,
2830 .cb = str_numa_cpunodes_cb,
2831 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 2832 .category = FIO_OPT_C_GENERAL,
2833 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 2834 },
2835 {
2836 .name = "numa_mem_policy",
2837 .type = FIO_OPT_STR,
2838 .cb = str_numa_mpol_cb,
2839 .help = "NUMA memory policy setup",
6be54b2d
JA		 2840 .category = FIO_OPT_C_GENERAL,
2841 .group = FIO_OPT_G_INVALID,
d0b937ed 2842 },
214e1eca
JA		 2843#endif
2844 {
2845 .name = "end_fsync",
e8b0e958 2846 .lname = "End fsync",
214e1eca
JA		 2847 .type = FIO_OPT_BOOL,
2848 .off1 = td_var_offset(end_fsync),
2849 .help = "Include fsync at the end of job",
2850 .def = "0",
e8b0e958
JA		 2851 .category = FIO_OPT_C_FILE,
2852 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2853 },
2854 {
2855 .name = "fsync_on_close",
e8b0e958 2856 .lname = "Fsync on close",
214e1eca
JA		 2857 .type = FIO_OPT_BOOL,
2858 .off1 = td_var_offset(fsync_on_close),
2859 .help = "fsync files on close",
2860 .def = "0",
e8b0e958
JA		 2861 .category = FIO_OPT_C_FILE,
2862 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2863 },
2864 {
2865 .name = "unlink",
e8b0e958 2866 .lname = "Unlink file",
214e1eca
JA		 2867 .type = FIO_OPT_BOOL,
2868 .off1 = td_var_offset(unlink),
2869 .help = "Unlink created files after job has completed",
2870 .def = "0",
e8b0e958
JA		 2871 .category = FIO_OPT_C_FILE,
2872 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2873 },
2874 {
2875 .name = "exitall",
e8b0e958 2876 .lname = "Exit-all on terminate",
214e1eca
JA		 2877 .type = FIO_OPT_STR_SET,
2878 .cb = str_exitall_cb,
2879 .help = "Terminate all jobs when one exits",
e8b0e958 2880 .category = FIO_OPT_C_GENERAL,
a1f6afec 2881 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 2882 },
2883 {
2884 .name = "stonewall",
e8b0e958 2885 .lname = "Wait for previous",
d392365e 2886 .alias = "wait_for_previous",
214e1eca
JA		 2887 .type = FIO_OPT_STR_SET,
2888 .off1 = td_var_offset(stonewall),
2889 .help = "Insert a hard barrier between this job and previous",
e8b0e958 2890 .category = FIO_OPT_C_GENERAL,
a1f6afec 2891 .group = FIO_OPT_G_PROCESS,
214e1eca 2892 },
b3d62a75
JA		 2893 {
2894 .name = "new_group",
e8b0e958 2895 .lname = "New group",
b3d62a75
JA		 2896 .type = FIO_OPT_STR_SET,
2897 .off1 = td_var_offset(new_group),
2898 .help = "Mark the start of a new group (for reporting)",
e8b0e958 2899 .category = FIO_OPT_C_GENERAL,
a1f6afec 2900 .group = FIO_OPT_G_PROCESS,
b3d62a75 2901 },
214e1eca
JA		 2902 {
2903 .name = "thread",
e8b0e958 2904 .lname = "Thread",
214e1eca
JA		 2905 .type = FIO_OPT_STR_SET,
2906 .off1 = td_var_offset(use_thread),
20eb06bd 2907 .help = "Use threads instead of processes",
e8b0e958 2908 .category = FIO_OPT_C_GENERAL,
a1f6afec 2909 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 2910 },
2911 {
2912 .name = "write_bw_log",
e8b0e958 2913 .lname = "Write bandwidth log",
203160d5
JA		 2914 .type = FIO_OPT_STR_STORE,
2915 .off1 = td_var_offset(bw_log_file),
214e1eca 2916 .help = "Write log of bandwidth during run",
e8b0e958
JA		 2917 .category = FIO_OPT_C_LOG,
2918 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2919 },
2920 {
2921 .name = "write_lat_log",
e8b0e958 2922 .lname = "Write latency log",
203160d5
JA		 2923 .type = FIO_OPT_STR_STORE,
2924 .off1 = td_var_offset(lat_log_file),
214e1eca 2925 .help = "Write log of latency during run",
e8b0e958
JA		 2926 .category = FIO_OPT_C_LOG,
2927 .group = FIO_OPT_G_INVALID,
214e1eca 2928 },
c8eeb9df
JA		 2929 {
2930 .name = "write_iops_log",
e8b0e958 2931 .lname = "Write IOPS log",
577c83bd 2932 .type = FIO_OPT_STR_STORE,
203160d5 2933 .off1 = td_var_offset(iops_log_file),
c8eeb9df 2934 .help = "Write log of IOPS during run",
e8b0e958
JA		 2935 .category = FIO_OPT_C_LOG,
2936 .group = FIO_OPT_G_INVALID,
c8eeb9df 2937 },
b8bc8cba
JA		 2938 {
2939 .name = "log_avg_msec",
e8b0e958 2940 .lname = "Log averaging (msec)",
b8bc8cba
JA		 2941 .type = FIO_OPT_INT,
2942 .off1 = td_var_offset(log_avg_msec),
2943 .help = "Average bw/iops/lat logs over this period of time",
2944 .def = "0",
e8b0e958
JA		 2945 .category = FIO_OPT_C_LOG,
2946 .group = FIO_OPT_G_INVALID,
b8bc8cba 2947 },
c504ee55
JA		 2948 {
2949 .name = "bwavgtime",
2950 .lname = "Bandwidth average time",
2951 .type = FIO_OPT_INT,
2952 .off1 = td_var_offset(bw_avg_time),
2953 .help = "Time window over which to calculate bandwidth"
2954 " (msec)",
2955 .def = "500",
2956 .parent = "write_bw_log",
2957 .hide = 1,
2958 .interval = 100,
2959 .category = FIO_OPT_C_LOG,
2960 .group = FIO_OPT_G_INVALID,
2961 },
2962 {
2963 .name = "iopsavgtime",
2964 .lname = "IOPS average time",
2965 .type = FIO_OPT_INT,
2966 .off1 = td_var_offset(iops_avg_time),
2967 .help = "Time window over which to calculate IOPS (msec)",
2968 .def = "500",
2969 .parent = "write_iops_log",
2970 .hide = 1,
2971 .interval = 100,
2972 .category = FIO_OPT_C_LOG,
2973 .group = FIO_OPT_G_INVALID,
2974 },
214e1eca
JA		 2975 {
2976 .name = "group_reporting",
e8b0e958 2977 .lname = "Group reporting",
d2507043 2978 .type = FIO_OPT_STR_SET,
214e1eca
JA		 2979 .off1 = td_var_offset(group_reporting),
2980 .help = "Do reporting on a per-group basis",
10860056 2981 .category = FIO_OPT_C_STAT,
e8b0e958 2982 .group = FIO_OPT_G_INVALID,
214e1eca 2983 },
e9459e5a
JA		 2984 {
2985 .name = "zero_buffers",
e8b0e958 2986 .lname = "Zero I/O buffers",
e9459e5a
JA		 2987 .type = FIO_OPT_STR_SET,
2988 .off1 = td_var_offset(zero_buffers),
2989 .help = "Init IO buffers to all zeroes",
e8b0e958 2990 .category = FIO_OPT_C_IO,
3ceb458f 2991 .group = FIO_OPT_G_IO_BUF,
e9459e5a 2992 },
5973cafb
JA		 2993 {
2994 .name = "refill_buffers",
e8b0e958 2995 .lname = "Refill I/O buffers",
5973cafb
JA		 2996 .type = FIO_OPT_STR_SET,
2997 .off1 = td_var_offset(refill_buffers),
2998 .help = "Refill IO buffers on every IO submit",
e8b0e958 2999 .category = FIO_OPT_C_IO,
3ceb458f 3000 .group = FIO_OPT_G_IO_BUF,
5973cafb 3001 },
fd68418e
JA		 3002 {
3003 .name = "scramble_buffers",
e8b0e958 3004 .lname = "Scramble I/O buffers",
fd68418e
JA		 3005 .type = FIO_OPT_BOOL,
3006 .off1 = td_var_offset(scramble_buffers),
3007 .help = "Slightly scramble buffers on every IO submit",
3008 .def = "1",
e8b0e958 3009 .category = FIO_OPT_C_IO,
3ceb458f 3010 .group = FIO_OPT_G_IO_BUF,
fd68418e 3011 },
ce35b1ec
JA		 3012 {
3013 .name = "buffer_pattern",
3014 .lname = "Buffer pattern",
3015 .type = FIO_OPT_STR,
3016 .cb = str_buffer_pattern_cb,
3017 .help = "Fill pattern for IO buffers",
3018 .category = FIO_OPT_C_IO,
3019 .group = FIO_OPT_G_IO_BUF,
3020 },
9c42684e
JA		 3021 {
3022 .name = "buffer_compress_percentage",
e8b0e958 3023 .lname = "Buffer compression percentage",
9c42684e
JA		 3024 .type = FIO_OPT_INT,
3025 .off1 = td_var_offset(compress_percentage),
3026 .maxval = 100,
3027 .minval = 1,
3028 .help = "How compressible the buffer is (approximately)",
20eb06bd 3029 .interval = 5,
e8b0e958 3030 .category = FIO_OPT_C_IO,
3ceb458f 3031 .group = FIO_OPT_G_IO_BUF,
9c42684e 3032 },
f97a43a1
JA		 3033 {
3034 .name = "buffer_compress_chunk",
e8b0e958 3035 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3036 .type = FIO_OPT_INT,
3037 .off1 = td_var_offset(compress_chunk),
207b18e4 3038 .parent = "buffer_compress_percentage",
d71c154c 3039 .hide = 1,
f97a43a1 3040 .help = "Size of compressible region in buffer",
20eb06bd 3041 .interval = 256,
e8b0e958 3042 .category = FIO_OPT_C_IO,
3ceb458f 3043 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3044 },
83349190
YH		 3045 {
3046 .name = "clat_percentiles",
e8b0e958 3047 .lname = "Completion latency percentiles",
83349190
YH		 3048 .type = FIO_OPT_BOOL,
3049 .off1 = td_var_offset(clat_percentiles),
3050 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3051 .def = "1",
e8b0e958
JA		 3052 .category = FIO_OPT_C_STAT,
3053 .group = FIO_OPT_G_INVALID,
83349190
YH		 3054 },
3055 {
3056 .name = "percentile_list",
e8b0e958 3057 .lname = "Completion latency percentile list",
83349190
YH		 3058 .type = FIO_OPT_FLOAT_LIST,
3059 .off1 = td_var_offset(percentile_list),
435d195a 3060 .off2 = td_var_offset(percentile_precision),
83349190 3061 .help = "Specify a custom list of percentiles to report",
fd112d34 3062 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3063 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3064 .minfp = 0.0,
3065 .maxfp = 100.0,
e8b0e958
JA		 3066 .category = FIO_OPT_C_STAT,
3067 .group = FIO_OPT_G_INVALID,
83349190
YH		 3068 },
3069
0a839f30
JA		 3070#ifdef FIO_HAVE_DISK_UTIL
3071 {
3072 .name = "disk_util",
e8b0e958 3073 .lname = "Disk utilization",
0a839f30
JA		 3074 .type = FIO_OPT_BOOL,
3075 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3076 .help = "Log disk utilization statistics",
0a839f30 3077 .def = "1",
e8b0e958
JA		 3078 .category = FIO_OPT_C_STAT,
3079 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3080 },
3081#endif
993bf48b
JA		 3082 {
3083 .name = "gtod_reduce",
e8b0e958 3084 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3085 .type = FIO_OPT_BOOL,
3086 .help = "Greatly reduce number of gettimeofday() calls",
3087 .cb = str_gtod_reduce_cb,
3088 .def = "0",
a4ed77fe 3089 .hide_on_set = 1,
e8b0e958
JA		 3090 .category = FIO_OPT_C_STAT,
3091 .group = FIO_OPT_G_INVALID,
993bf48b 3092 },
02af0988
JA		 3093 {
3094 .name = "disable_lat",
e8b0e958 3095 .lname = "Disable all latency stats",
02af0988
JA		 3096 .type = FIO_OPT_BOOL,
3097 .off1 = td_var_offset(disable_lat),
3098 .help = "Disable latency numbers",
3099 .parent = "gtod_reduce",
d71c154c 3100 .hide = 1,
02af0988 3101 .def = "0",
e8b0e958
JA		 3102 .category = FIO_OPT_C_STAT,
3103 .group = FIO_OPT_G_INVALID,
02af0988 3104 },
9520ebb9
JA		 3105 {
3106 .name = "disable_clat",
e8b0e958 3107 .lname = "Disable completion latency stats",
9520ebb9
JA		 3108 .type = FIO_OPT_BOOL,
3109 .off1 = td_var_offset(disable_clat),
3110 .help = "Disable completion latency numbers",
993bf48b 3111 .parent = "gtod_reduce",
d71c154c 3112 .hide = 1,
9520ebb9 3113 .def = "0",
e8b0e958
JA		 3114 .category = FIO_OPT_C_STAT,
3115 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3116 },
3117 {
3118 .name = "disable_slat",
e8b0e958 3119 .lname = "Disable submission latency stats",
9520ebb9
JA		 3120 .type = FIO_OPT_BOOL,
3121 .off1 = td_var_offset(disable_slat),
03e20d68 3122 .help = "Disable submission latency numbers",
993bf48b 3123 .parent = "gtod_reduce",
d71c154c 3124 .hide = 1,
9520ebb9 3125 .def = "0",
e8b0e958
JA		 3126 .category = FIO_OPT_C_STAT,
3127 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3128 },
3129 {
3130 .name = "disable_bw_measurement",
e8b0e958 3131 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3132 .type = FIO_OPT_BOOL,
3133 .off1 = td_var_offset(disable_bw),
3134 .help = "Disable bandwidth logging",
993bf48b 3135 .parent = "gtod_reduce",
d71c154c 3136 .hide = 1,
9520ebb9 3137 .def = "0",
e8b0e958
JA		 3138 .category = FIO_OPT_C_STAT,
3139 .group = FIO_OPT_G_INVALID,
9520ebb9 3140 },
be4ecfdf
JA		 3141 {
3142 .name = "gtod_cpu",
e8b0e958 3143 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 3144 .type = FIO_OPT_INT,
3145 .cb = str_gtod_cpu_cb,
03e20d68 3146 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3147 .verify = gtod_cpu_verify,
e8b0e958 3148 .category = FIO_OPT_C_GENERAL,
10860056 3149 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3150 },
771e58be
JA		 3151 {
3152 .name = "unified_rw_reporting",
3153 .type = FIO_OPT_BOOL,
3154 .off1 = td_var_offset(unified_rw_rep),
3155 .help = "Unify reporting across data direction",
3156 .def = "0",
90b7a96d
JA		 3157 .category = FIO_OPT_C_GENERAL,
3158 .group = FIO_OPT_G_INVALID,
771e58be 3159 },
f2bba182
RR		 3160 {
3161 .name = "continue_on_error",
e8b0e958 3162 .lname = "Continue on error",
06842027 3163 .type = FIO_OPT_STR,
f2bba182 3164 .off1 = td_var_offset(continue_on_error),
03e20d68 3165 .help = "Continue on non-fatal errors during IO",
06842027 3166 .def = "none",
e8b0e958 3167 .category = FIO_OPT_C_GENERAL,
bc3f552f 3168 .group = FIO_OPT_G_ERR,
06842027
SL		 3169 .posval = {
3170 { .ival = "none",
3171 .oval = ERROR_TYPE_NONE,
3172 .help = "Exit when an error is encountered",
3173 },
3174 { .ival = "read",
3175 .oval = ERROR_TYPE_READ,
3176 .help = "Continue on read errors only",
3177 },
3178 { .ival = "write",
3179 .oval = ERROR_TYPE_WRITE,
3180 .help = "Continue on write errors only",
3181 },
3182 { .ival = "io",
3183 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3184 .help = "Continue on any IO errors",
3185 },
3186 { .ival = "verify",
3187 .oval = ERROR_TYPE_VERIFY,
3188 .help = "Continue on verify errors only",
3189 },
3190 { .ival = "all",
3191 .oval = ERROR_TYPE_ANY,
3192 .help = "Continue on all io and verify errors",
3193 },
3194 { .ival = "0",
3195 .oval = ERROR_TYPE_NONE,
3196 .help = "Alias for 'none'",
3197 },
3198 { .ival = "1",
3199 .oval = ERROR_TYPE_ANY,
3200 .help = "Alias for 'all'",
3201 },
3202 },
f2bba182 3203 },
8b28bd41
DM		 3204 {
3205 .name = "ignore_error",
3206 .type = FIO_OPT_STR,
3207 .cb = str_ignore_error_cb,
3208 .help = "Set a specific list of errors to ignore",
3209 .parent = "rw",
a94eb99a 3210 .category = FIO_OPT_C_GENERAL,
bc3f552f 3211 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3212 },
3213 {
3214 .name = "error_dump",
3215 .type = FIO_OPT_BOOL,
3216 .off1 = td_var_offset(error_dump),
3217 .def = "0",
3218 .help = "Dump info on each error",
a94eb99a 3219 .category = FIO_OPT_C_GENERAL,
bc3f552f 3220 .group = FIO_OPT_G_ERR,
8b28bd41 3221 },
9ac8a797
JA		 3222 {
3223 .name = "profile",
e8b0e958 3224 .lname = "Profile",
79d16311 3225 .type = FIO_OPT_STR_STORE,
9ac8a797 3226 .off1 = td_var_offset(profile),
9ac8a797 3227 .help = "Select a specific builtin performance test",
13fca827 3228 .category = FIO_OPT_C_PROFILE,
e8b0e958 3229 .group = FIO_OPT_G_INVALID,
9ac8a797 3230 },
a696fa2a
JA		 3231 {
3232 .name = "cgroup",
e8b0e958 3233 .lname = "Cgroup",
a696fa2a
JA		 3234 .type = FIO_OPT_STR_STORE,
3235 .off1 = td_var_offset(cgroup),
3236 .help = "Add job to cgroup of this name",
e8b0e958 3237 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3238 .group = FIO_OPT_G_CGROUP,
3239 },
3240 {
3241 .name = "cgroup_nodelete",
3242 .lname = "Cgroup no-delete",
3243 .type = FIO_OPT_BOOL,
3244 .off1 = td_var_offset(cgroup_nodelete),
3245 .help = "Do not delete cgroups after job completion",
3246 .def = "0",
3247 .parent = "cgroup",
3248 .category = FIO_OPT_C_GENERAL,
3249 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3250 },
3251 {
3252 .name = "cgroup_weight",
e8b0e958 3253 .lname = "Cgroup weight",
a696fa2a
JA		 3254 .type = FIO_OPT_INT,
3255 .off1 = td_var_offset(cgroup_weight),
3256 .help = "Use given weight for cgroup",
3257 .minval = 100,
3258 .maxval = 1000,
a1f6afec 3259 .parent = "cgroup",
e8b0e958 3260 .category = FIO_OPT_C_GENERAL,
a1f6afec 3261 .group = FIO_OPT_G_CGROUP,
7de87099 3262 },
e0b0d892
JA		 3263 {
3264 .name = "uid",
e8b0e958 3265 .lname = "User ID",
e0b0d892
JA		 3266 .type = FIO_OPT_INT,
3267 .off1 = td_var_offset(uid),
3268 .help = "Run job with this user ID",
e8b0e958 3269 .category = FIO_OPT_C_GENERAL,
10860056 3270 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3271 },
3272 {
3273 .name = "gid",
e8b0e958 3274 .lname = "Group ID",
e0b0d892
JA		 3275 .type = FIO_OPT_INT,
3276 .off1 = td_var_offset(gid),
3277 .help = "Run job with this group ID",
e8b0e958 3278 .category = FIO_OPT_C_GENERAL,
10860056 3279 .group = FIO_OPT_G_CRED,
e0b0d892 3280 },
a1f6afec
JA		 3281 {
3282 .name = "kb_base",
3283 .lname = "KB Base",
3284 .type = FIO_OPT_INT,
3285 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3286 .prio = 1,
3287 .def = "1024",
ba9c7219
JA		 3288 .posval = {
3289 { .ival = "1024",
3290 .oval = 1024,
3291 .help = "Use 1024 as the K base",
3292 },
3293 { .ival = "1000",
3294 .oval = 1000,
3295 .help = "Use 1000 as the K base",
3296 },
3297 },
a1f6afec
JA		 3298 .help = "How many bytes per KB for reporting (1000 or 1024)",
3299 .category = FIO_OPT_C_GENERAL,
3300 .group = FIO_OPT_G_INVALID,
3301 },
cf3a0518
JA		 3302 {
3303 .name = "unit_base",
ba9c7219 3304 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3305 .type = FIO_OPT_INT,
3306 .off1 = td_var_offset(unit_base),
cf3a0518 3307 .prio = 1,
71a08258
JA		 3308 .posval = {
3309 { .ival = "0",
3310 .oval = 0,
3311 .help = "Auto-detect",
3312 },
3313 { .ival = "8",
3314 .oval = 8,
3315 .help = "Normal (byte based)",
3316 },
3317 { .ival = "1",
3318 .oval = 1,
3319 .help = "Bit based",
3320 },
3321 },
cf3a0518
JA		 3322 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3323 .category = FIO_OPT_C_GENERAL,
3324 .group = FIO_OPT_G_INVALID,
3325 },
3ceb458f
JA		 3326 {
3327 .name = "hugepage-size",
3328 .lname = "Hugepage size",
3329 .type = FIO_OPT_INT,
3330 .off1 = td_var_offset(hugepage_size),
3331 .help = "When using hugepages, specify size of each page",
3332 .def = __fio_stringify(FIO_HUGE_PAGE),
3333 .interval = 1024 * 1024,
3334 .category = FIO_OPT_C_GENERAL,
3335 .group = FIO_OPT_G_INVALID,
3336 },
9e684a49
DE		 3337 {
3338 .name = "flow_id",
e8b0e958 3339 .lname = "I/O flow ID",
9e684a49
DE		 3340 .type = FIO_OPT_INT,
3341 .off1 = td_var_offset(flow_id),
3342 .help = "The flow index ID to use",
3343 .def = "0",
e8b0e958
JA		 3344 .category = FIO_OPT_C_IO,
3345 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3346 },
3347 {
3348 .name = "flow",
e8b0e958 3349 .lname = "I/O flow weight",
9e684a49
DE		 3350 .type = FIO_OPT_INT,
3351 .off1 = td_var_offset(flow),
3352 .help = "Weight for flow control of this job",
3353 .parent = "flow_id",
d71c154c 3354 .hide = 1,
9e684a49 3355 .def = "0",
e8b0e958
JA		 3356 .category = FIO_OPT_C_IO,
3357 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3358 },
3359 {
3360 .name = "flow_watermark",
e8b0e958 3361 .lname = "I/O flow watermark",
9e684a49
DE		 3362 .type = FIO_OPT_INT,
3363 .off1 = td_var_offset(flow_watermark),
3364 .help = "High watermark for flow control. This option"
3365 " should be set to the same value for all threads"
3366 " with non-zero flow.",
3367 .parent = "flow_id",
d71c154c 3368 .hide = 1,
9e684a49 3369 .def = "1024",
e8b0e958
JA		 3370 .category = FIO_OPT_C_IO,
3371 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3372 },
3373 {
3374 .name = "flow_sleep",
e8b0e958 3375 .lname = "I/O flow sleep",
9e684a49
DE		 3376 .type = FIO_OPT_INT,
3377 .off1 = td_var_offset(flow_sleep),
3378 .help = "How many microseconds to sleep after being held"
3379 " back by the flow control mechanism",
3380 .parent = "flow_id",
d71c154c 3381 .hide = 1,
9e684a49 3382 .def = "0",
e8b0e958
JA		 3383 .category = FIO_OPT_C_IO,
3384 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3385 },
214e1eca
JA		 3386 {
3387 .name = NULL,
3388 },
3389};
3390
17af15d4 3391static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3392 const char *name, int val)
9f81736c 3393{
17af15d4 3394 lopt->name = (char *) name;
de890a1e 3395 lopt->val = val;
9f81736c 3396 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3397 lopt->has_arg = optional_argument;
9f81736c
JA		 3398 else
3399 lopt->has_arg = required_argument;
3400}
3401
de890a1e
SL		 3402static void options_to_lopts(struct fio_option *opts,
3403 struct option *long_options,
3404 int i, int option_type)
214e1eca 3405{
de890a1e 3406 struct fio_option *o = &opts[0];
214e1eca 3407 while (o->name) {
de890a1e 3408 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3409 if (o->alias) {
3410 i++;
de890a1e 3411 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3412 }
214e1eca
JA		 3413
3414 i++;
3415 o++;
3416 assert(i < FIO_NR_OPTIONS);
3417 }
3418}
3419
de890a1e
SL		 3420void fio_options_set_ioengine_opts(struct option *long_options,
3421 struct thread_data *td)
3422{
3423 unsigned int i;
3424
3425 i = 0;
3426 while (long_options[i].name) {
3427 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3428 memset(&long_options[i], 0, sizeof(*long_options));
3429 break;
3430 }
3431 i++;
3432 }
3433
3434 /*
3435 * Just clear out the prior ioengine options.
3436 */
3437 if (!td || !td->eo)
3438 return;
3439
3440 options_to_lopts(td->io_ops->options, long_options, i,
3441 FIO_GETOPT_IOENGINE);
3442}
3443
3444void fio_options_dup_and_init(struct option *long_options)
3445{
3446 unsigned int i;
3447
9af4a244 3448 options_init(fio_options);
de890a1e
SL		 3449
3450 i = 0;
3451 while (long_options[i].name)
3452 i++;
3453
9af4a244 3454 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3455}
3456
74929ac2
JA		 3457struct fio_keyword {
3458 const char *word;
3459 const char *desc;
3460 char *replace;
3461};
3462
3463static struct fio_keyword fio_keywords[] = {
3464 {
3465 .word = "$pagesize",
3466 .desc = "Page size in the system",
3467 },
3468 {
3469 .word = "$mb_memory",
3470 .desc = "Megabytes of memory online",
3471 },
3472 {
3473 .word = "$ncpus",
3474 .desc = "Number of CPUs online in the system",
3475 },
3476 {
3477 .word = NULL,
3478 },
3479};
3480
3481void fio_keywords_init(void)
3482{
3b2e1464 3483 unsigned long long mb_memory;
74929ac2
JA		 3484 char buf[128];
3485 long l;
3486
a4cfc477 3487 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3488 fio_keywords[0].replace = strdup(buf);
3489
8eb016d3 3490 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3491 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3492 fio_keywords[1].replace = strdup(buf);
3493
c00a2289 3494 l = cpus_online();
74929ac2
JA		 3495 sprintf(buf, "%lu", l);
3496 fio_keywords[2].replace = strdup(buf);
3497}
3498
892a6ffc
JA		 3499#define BC_APP "bc"
3500
3501static char *bc_calc(char *str)
3502{
d0c814ec 3503 char buf[128], *tmp;
892a6ffc
JA		 3504 FILE *f;
3505 int ret;
3506
3507 /*
3508 * No math, just return string
3509 */
d0c814ec
SL		 3510 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3511 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3512 return str;
3513
3514 /*
3515 * Split option from value, we only need to calculate the value
3516 */
3517 tmp = strchr(str, '=');
3518 if (!tmp)
3519 return str;
3520
3521 tmp++;
892a6ffc 3522
d0c814ec
SL		 3523 /*
3524 * Prevent buffer overflows; such a case isn't reasonable anyway
3525 */
3526 if (strlen(str) >= 128 || strlen(tmp) > 100)
3527 return str;
892a6ffc
JA		 3528
3529 sprintf(buf, "which %s > /dev/null", BC_APP);
3530 if (system(buf)) {
3531 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3532 return NULL;
3533 }
3534
d0c814ec 3535 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3536 f = popen(buf, "r");
3c3ed070 3537 if (!f)
892a6ffc 3538 return NULL;
892a6ffc 3539
d0c814ec 3540 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
3c3ed070 3541 if (ret <= 0)
892a6ffc 3542 return NULL;
892a6ffc 3543
892a6ffc 3544 pclose(f);
d0c814ec
SL		 3545 buf[(tmp - str) + ret - 1] = '\0';
3546 memcpy(buf, str, tmp - str);
892a6ffc 3547 free(str);
d0c814ec
SL		 3548 return strdup(buf);
3549}
3550
3551/*
3552 * Return a copy of the input string with substrings of the form ${VARNAME}
3553 * substituted with the value of the environment variable VARNAME. The
3554 * substitution always occurs, even if VARNAME is empty or the corresponding
3555 * environment variable undefined.
3556 */
3557static char *option_dup_subs(const char *opt)
3558{
3559 char out[OPT_LEN_MAX+1];
3560 char in[OPT_LEN_MAX+1];
3561 char *outptr = out;
3562 char *inptr = in;
3563 char *ch1, *ch2, *env;
3564 ssize_t nchr = OPT_LEN_MAX;
3565 size_t envlen;
3566
3567 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3568 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3569 return NULL;
3570 }
3571
3572 in[OPT_LEN_MAX] = '\0';
3573 strncpy(in, opt, OPT_LEN_MAX);
3574
3575 while (*inptr && nchr > 0) {
3576 if (inptr[0] == '$' && inptr[1] == '{') {
3577 ch2 = strchr(inptr, '}');
3578 if (ch2 && inptr+1 < ch2) {
3579 ch1 = inptr+2;
3580 inptr = ch2+1;
3581 *ch2 = '\0';
3582
3583 env = getenv(ch1);
3584 if (env) {
3585 envlen = strlen(env);
3586 if (envlen <= nchr) {
3587 memcpy(outptr, env, envlen);
3588 outptr += envlen;
3589 nchr -= envlen;
3590 }
3591 }
3592
3593 continue;
3594 }
3595 }
3596
3597 *outptr++ = *inptr++;
3598 --nchr;
3599 }
3600
3601 *outptr = '\0';
3602 return strdup(out);
892a6ffc
JA		 3603}
3604
74929ac2
JA		 3605/*
3606 * Look for reserved variable names and replace them with real values
3607 */
3608static char *fio_keyword_replace(char *opt)
3609{
3610 char *s;
3611 int i;
d0c814ec 3612 int docalc = 0;
74929ac2
JA		 3613
3614 for (i = 0; fio_keywords[i].word != NULL; i++) {
3615 struct fio_keyword *kw = &fio_keywords[i];
3616
3617 while ((s = strstr(opt, kw->word)) != NULL) {
3618 char *new = malloc(strlen(opt) + 1);
3619 char *o_org = opt;
3620 int olen = s - opt;
3621 int len;
3622
3623 /*
3624 * Copy part of the string before the keyword and
3625 * sprintf() the replacement after it.
3626 */
3627 memcpy(new, opt, olen);
3628 len = sprintf(new + olen, "%s", kw->replace);
3629
3630 /*
3631 * If there's more in the original string, copy that
3632 * in too
3633 */
3634 opt += strlen(kw->word) + olen;
3635 if (strlen(opt))
3636 memcpy(new + olen + len, opt, opt - o_org - 1);
3637
3638 /*
3639 * replace opt and free the old opt
3640 */
3641 opt = new;
d0c814ec 3642 free(o_org);
7a958bd5 3643
d0c814ec 3644 docalc = 1;
74929ac2
JA		 3645 }
3646 }
3647
d0c814ec
SL		 3648 /*
3649 * Check for potential math and invoke bc, if possible
3650 */
3651 if (docalc)
3652 opt = bc_calc(opt);
3653
7a958bd5 3654 return opt;
74929ac2
JA		 3655}
3656
d0c814ec
SL		 3657static char **dup_and_sub_options(char **opts, int num_opts)
3658{
3659 int i;
3660 char **opts_copy = malloc(num_opts * sizeof(*opts));
3661 for (i = 0; i < num_opts; i++) {
3662 opts_copy[i] = option_dup_subs(opts[i]);
3663 if (!opts_copy[i])
3664 continue;
3665 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3666 }
3667 return opts_copy;
3668}
3669
292cc475
JA		 3670int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3671 int dump_cmdline)
214e1eca 3672{
de890a1e 3673 int i, ret, unknown;
d0c814ec 3674 char **opts_copy;
3b8b7135 3675
9af4a244 3676 sort_options(opts, fio_options, num_opts);
d0c814ec 3677 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 3678
de890a1e
SL		 3679 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3680 struct fio_option *o;
9af4a244 3681 int newret = parse_option(opts_copy[i], opts[i], fio_options,
292cc475 3682 &o, td, dump_cmdline);
d0c814ec 3683
de890a1e
SL		 3684 if (opts_copy[i]) {
3685 if (newret && !o) {
3686 unknown++;
3687 continue;
3688 }
d0c814ec 3689 free(opts_copy[i]);
de890a1e
SL		 3690 opts_copy[i] = NULL;
3691 }
3692
3693 ret |= newret;
3694 }
3695
3696 if (unknown) {
3697 ret |= ioengine_load(td);
3698 if (td->eo) {
3699 sort_options(opts_copy, td->io_ops->options, num_opts);
3700 opts = opts_copy;
3701 }
3702 for (i = 0; i < num_opts; i++) {
3703 struct fio_option *o = NULL;
3704 int newret = 1;
3705 if (!opts_copy[i])
3706 continue;
3707
3708 if (td->eo)
3709 newret = parse_option(opts_copy[i], opts[i],
3710 td->io_ops->options, &o,
292cc475 3711 td->eo, dump_cmdline);
de890a1e
SL		 3712
3713 ret |= newret;
3714 if (!o)
3715 log_err("Bad option <%s>\n", opts[i]);
3716
3717 free(opts_copy[i]);
3718 opts_copy[i] = NULL;
3719 }
74929ac2 3720 }
3b8b7135 3721
d0c814ec 3722 free(opts_copy);
3b8b7135 3723 return ret;
214e1eca
JA		 3724}
3725
3726int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3727{
9af4a244 3728 return parse_cmd_option(opt, val, fio_options, td);
214e1eca
JA		 3729}
3730
de890a1e
SL		 3731int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3732 char *val)
3733{
8a96c80e 3734 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
de890a1e
SL		 3735}
3736
214e1eca
JA		 3737void fio_fill_default_options(struct thread_data *td)
3738{
9af4a244 3739 fill_default_options(td, fio_options);
214e1eca
JA		 3740}
3741
3742int fio_show_option_help(const char *opt)
3743{
9af4a244 3744 return show_cmd_help(fio_options, opt);
214e1eca 3745}
d23bb327 3746
de890a1e 3747void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 3748{
de890a1e 3749 struct fio_option *o;
d23bb327 3750 char **ptr;
d23bb327 3751
de890a1e
SL		 3752 for (o = &options[0]; o->name; o++) {
3753 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 3754 continue;
3755
f0fdbcaf 3756 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 3757 if (*ptr)
3758 *ptr = strdup(*ptr);
d23bb327
JA		 3759 }
3760}
3761
de890a1e
SL		 3762/*
3763 * dupe FIO_OPT_STR_STORE options
3764 */
3765void fio_options_mem_dupe(struct thread_data *td)
3766{
9af4a244 3767 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 3768
3769 if (td->eo && td->io_ops) {
de890a1e 3770 void *oldeo = td->eo;
1647f592 3771
de890a1e
SL		 3772 td->eo = malloc(td->io_ops->option_struct_size);
3773 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3774 options_mem_dupe(td->eo, td->io_ops->options);
3775 }
3776}
3777
d6978a32
JA		 3778unsigned int fio_get_kb_base(void *data)
3779{
83ea422a 3780 struct thread_options *o = data;
d6978a32
JA		 3781 unsigned int kb_base = 0;
3782
83ea422a
JA		 3783 if (o)
3784 kb_base = o->kb_base;
d6978a32
JA		 3785 if (!kb_base)
3786 kb_base = 1024;
3787
3788 return kb_base;
3789}
9f988e2e 3790
07b3232d 3791int add_option(struct fio_option *o)
9f988e2e 3792{
07b3232d
JA		 3793 struct fio_option *__o;
3794 int opt_index = 0;
3795
9af4a244 3796 __o = fio_options;
07b3232d
JA		 3797 while (__o->name) {
3798 opt_index++;
3799 __o++;
3800 }
3801
7b504edd
JA		 3802 if (opt_index + 1 == FIO_MAX_OPTS) {
3803 log_err("fio: FIO_MAX_OPTS is too small\n");
3804 return 1;
3805 }
3806
9af4a244 3807 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 3808 fio_options[opt_index + 1].name = NULL;
07b3232d 3809 return 0;
9f988e2e 3810}
e2de69da 3811
07b3232d 3812void invalidate_profile_options(const char *prof_name)
e2de69da 3813{
07b3232d 3814 struct fio_option *o;
e2de69da 3815
9af4a244 3816 o = fio_options;
07b3232d
JA		 3817 while (o->name) {
3818 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
3819 o->type = FIO_OPT_INVALID;
3820 o->prof_name = NULL;
3821 }
3822 o++;
e2de69da
JA		 3823 }
3824}
f5b6bb85
JA		 3825
3826void add_opt_posval(const char *optname, const char *ival, const char *help)
3827{
3828 struct fio_option *o;
3829 unsigned int i;
3830
9af4a244 3831 o = find_option(fio_options, optname);
f5b6bb85
JA		 3832 if (!o)
3833 return;
3834
3835 for (i = 0; i < PARSE_MAX_VP; i++) {
3836 if (o->posval[i].ival)
3837 continue;
3838
3839 o->posval[i].ival = ival;
3840 o->posval[i].help = help;
3841 break;
3842 }
3843}
3844
3845void del_opt_posval(const char *optname, const char *ival)
3846{
3847 struct fio_option *o;
3848 unsigned int i;
3849
9af4a244 3850 o = find_option(fio_options, optname);
f5b6bb85
JA		 3851 if (!o)
3852 return;
3853
3854 for (i = 0; i < PARSE_MAX_VP; i++) {
3855 if (!o->posval[i].ival)
3856 continue;
3857 if (strcmp(o->posval[i].ival, ival))
3858 continue;
3859
3860 o->posval[i].ival = NULL;
3861 o->posval[i].help = NULL;
3862 }
3863}
7e356b2d
JA		 3864
3865void fio_options_free(struct thread_data *td)
3866{
9af4a244 3867 options_free(fio_options, td);
de890a1e
SL		 3868 if (td->eo && td->io_ops && td->io_ops->options) {
3869 options_free(td->io_ops->options, td->eo);
3870 free(td->eo);
3871 td->eo = NULL;
3872 }
7e356b2d 3873}
c504ee55
JA		 3874
3875struct fio_option *fio_option_find(const char *name)
3876{
3877 return find_option(fio_options, name);
3878}
3879
fio - Flexible IO Tester