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Fix wrong index bug
[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)
d711cce5 101 perc = -1U;
564ca972 102 } else
d711cce5 103 perc = -1U;
564ca972 104
88038bc7 105 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
564ca972 106 log_err("fio: bssplit conversion failed\n");
d8b97c8e 107 free(bssplit);
564ca972
JA		 108 return 1;
109 }
110
111 if (val > max_bs)
112 max_bs = val;
113 if (val < min_bs)
114 min_bs = val;
115
720e84ad
JA		 116 bssplit[i].bs = val;
117 bssplit[i].perc = perc;
564ca972
JA		 118 i++;
119 }
120
83ea422a 121 o->bssplit_nr[ddir] = i;
564ca972
JA		 122
123 /*
124 * Now check if the percentages add up, and how much is missing
125 */
126 perc = perc_missing = 0;
83ea422a 127 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 128 struct bssplit *bsp = &bssplit[i];
564ca972 129
d711cce5 130 if (bsp->perc == -1U)
564ca972
JA		 131 perc_missing++;
132 else
133 perc += bsp->perc;
134 }
135
40bafa33 136 if (perc > 100 && perc_missing > 1) {
564ca972 137 log_err("fio: bssplit percentages add to more than 100%%\n");
720e84ad 138 free(bssplit);
564ca972
JA		 139 return 1;
140 }
d711cce5 141
564ca972
JA		 142 /*
143 * If values didn't have a percentage set, divide the remains between
144 * them.
145 */
146 if (perc_missing) {
d711cce5 147 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 148 perc = 100;
83ea422a 149 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 150 struct bssplit *bsp = &bssplit[i];
564ca972 151
d711cce5 152 if (bsp->perc == -1U)
564ca972
JA		 153 bsp->perc = (100 - perc) / perc_missing;
154 }
155 }
156
83ea422a
JA		 157 o->min_bs[ddir] = min_bs;
158 o->max_bs[ddir] = max_bs;
564ca972
JA		 159
160 /*
161 * now sort based on percentages, for ease of lookup
162 */
83ea422a
JA		 163 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
164 o->bssplit[ddir] = bssplit;
720e84ad 165 return 0;
720e84ad
JA		 166}
167
168static int str_bssplit_cb(void *data, const char *input)
169{
170 struct thread_data *td = data;
6eaf09d6 171 char *str, *p, *odir, *ddir;
720e84ad
JA		 172 int ret = 0;
173
52c0cea3
JA		 174 if (parse_dryrun())
175 return 0;
176
720e84ad
JA		 177 p = str = strdup(input);
178
179 strip_blank_front(&str);
180 strip_blank_end(str);
181
182 odir = strchr(str, ',');
183 if (odir) {
6eaf09d6
SL		 184 ddir = strchr(odir + 1, ',');
185 if (ddir) {
d79db122 186 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL		 187 if (!ret)
188 *ddir = '\0';
189 } else {
190 char *op;
191
192 op = strdup(odir + 1);
d79db122 193 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 194
195 free(op);
196 }
d79db122
JA		 197 if (!ret)
198 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA		 199 if (!ret) {
200 *odir = '\0';
83ea422a 201 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad
JA		 202 }
203 } else {
204 char *op;
205
206 op = strdup(str);
d79db122 207 ret = bssplit_ddir(&td->o, DDIR_WRITE, op);
6eaf09d6 208 free(op);
720e84ad 209
6eaf09d6
SL		 210 if (!ret) {
211 op = strdup(str);
d79db122 212 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 213 free(op);
214 }
83ea422a 215 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad 216 }
564ca972
JA		 217
218 free(p);
720e84ad 219 return ret;
564ca972
JA		 220}
221
8b28bd41
DM		 222static int str2error(char *str)
223{
a94eb99a 224 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 225 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
226 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
227 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
228 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
229 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
230 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 231 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
8b28bd41
DM		 232 int i = 0, num = sizeof(err) / sizeof(void *);
233
a94eb99a 234 while (i < num) {
8b28bd41
DM		 235 if (!strcmp(err[i], str))
236 return i + 1;
237 i++;
238 }
239 return 0;
240}
241
242static int ignore_error_type(struct thread_data *td, int etype, char *str)
243{
244 unsigned int i;
245 int *error;
246 char *fname;
247
248 if (etype >= ERROR_TYPE_CNT) {
249 log_err("Illegal error type\n");
250 return 1;
251 }
252
253 td->o.ignore_error_nr[etype] = 4;
254 error = malloc(4 * sizeof(struct bssplit));
255
256 i = 0;
257 while ((fname = strsep(&str, ":")) != NULL) {
258
259 if (!strlen(fname))
260 break;
261
262 /*
263 * grow struct buffer, if needed
264 */
265 if (i == td->o.ignore_error_nr[etype]) {
266 td->o.ignore_error_nr[etype] <<= 1;
267 error = realloc(error, td->o.ignore_error_nr[etype]
268 * sizeof(int));
269 }
270 if (fname[0] == 'E') {
271 error[i] = str2error(fname);
272 } else {
273 error[i] = atoi(fname);
274 if (error[i] < 0)
1616e025 275 error[i] = -error[i];
8b28bd41
DM		 276 }
277 if (!error[i]) {
278 log_err("Unknown error %s, please use number value \n",
279 fname);
0fddbf7a 280 free(error);
8b28bd41
DM		 281 return 1;
282 }
283 i++;
284 }
285 if (i) {
286 td->o.continue_on_error |= 1 << etype;
287 td->o.ignore_error_nr[etype] = i;
288 td->o.ignore_error[etype] = error;
c7b086be
JA		 289 } else
290 free(error);
291
8b28bd41
DM		 292 return 0;
293
294}
295
296static int str_ignore_error_cb(void *data, const char *input)
297{
298 struct thread_data *td = data;
299 char *str, *p, *n;
300 int type = 0, ret = 1;
52c0cea3
JA		 301
302 if (parse_dryrun())
303 return 0;
304
8b28bd41
DM		 305 p = str = strdup(input);
306
307 strip_blank_front(&str);
308 strip_blank_end(str);
309
310 while (p) {
311 n = strchr(p, ',');
312 if (n)
313 *n++ = '\0';
314 ret = ignore_error_type(td, type, p);
315 if (ret)
316 break;
317 p = n;
318 type++;
319 }
320 free(str);
321 return ret;
322}
323
211097b2
JA		 324static int str_rw_cb(void *data, const char *str)
325{
326 struct thread_data *td = data;
83ea422a 327 struct thread_options *o = &td->o;
27ca949f 328 char *nr;
211097b2 329
52c0cea3
JA		 330 if (parse_dryrun())
331 return 0;
332
83ea422a
JA		 333 o->ddir_seq_nr = 1;
334 o->ddir_seq_add = 0;
059b0802 335
27ca949f 336 nr = get_opt_postfix(str);
059b0802
JA		 337 if (!nr)
338 return 0;
339
340 if (td_random(td))
83ea422a 341 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 342 else {
343 long long val;
344
88038bc7 345 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 346 log_err("fio: rw postfix parsing failed\n");
347 free(nr);
348 return 1;
349 }
350
83ea422a 351 o->ddir_seq_add = val;
182ec6ee 352 }
211097b2 353
059b0802 354 free(nr);
211097b2
JA		 355 return 0;
356}
357
214e1eca
JA		 358static int str_mem_cb(void *data, const char *mem)
359{
360 struct thread_data *td = data;
361
d9759b1e 362 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
836fcc0f 363 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 364
365 return 0;
366}
367
c223da83
JA		 368static int fio_clock_source_cb(void *data, const char *str)
369{
370 struct thread_data *td = data;
371
372 fio_clock_source = td->o.clocksource;
fa80feae 373 fio_clock_source_set = 1;
01423eae 374 fio_clock_init();
c223da83
JA		 375 return 0;
376}
377
85bc833b 378static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA		 379{
380 struct thread_data *td = data;
381
382 td->o.rwmix[DDIR_READ] = *val;
383 td->o.rwmix[DDIR_WRITE] = 100 - *val;
384 return 0;
385}
386
85bc833b 387static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA		 388{
389 struct thread_data *td = data;
390
391 td->o.rwmix[DDIR_WRITE] = *val;
392 td->o.rwmix[DDIR_READ] = 100 - *val;
393 return 0;
394}
395
214e1eca
JA		 396static int str_exitall_cb(void)
397{
398 exitall_on_terminate = 1;
399 return 0;
400}
401
214e1eca 402#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 403int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 404{
50b5860b 405 unsigned int i, index, cpus_in_mask;
c2acfbac 406 const long max_cpu = cpus_online();
c2acfbac 407
50b5860b
JA		 408 cpus_in_mask = fio_cpu_count(mask);
409 cpu_index = cpu_index % cpus_in_mask;
410
411 index = 0;
c2acfbac 412 for (i = 0; i < max_cpu; i++) {
50b5860b 413 if (!fio_cpu_isset(mask, i))
c2acfbac 414 continue;
50b5860b
JA		 415
416 if (cpu_index != index)
417 fio_cpu_clear(mask, i);
418
419 index++;
c2acfbac
JA		 420 }
421
422 return fio_cpu_count(mask);
423}
424
85bc833b 425static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA		 426{
427 struct thread_data *td = data;
214e1eca 428 unsigned int i;
b03daafb 429 long max_cpu;
d2ce18b5
JA		 430 int ret;
431
52c0cea3
JA		 432 if (parse_dryrun())
433 return 0;
434
d2ce18b5
JA		 435 ret = fio_cpuset_init(&td->o.cpumask);
436 if (ret < 0) {
437 log_err("fio: cpuset_init failed\n");
438 td_verror(td, ret, "fio_cpuset_init");
439 return 1;
440 }
214e1eca 441
c00a2289 442 max_cpu = cpus_online();
214e1eca 443
62a7273d
JA		 444 for (i = 0; i < sizeof(int) * 8; i++) {
445 if ((1 << i) & *val) {
b03daafb
JA		 446 if (i > max_cpu) {
447 log_err("fio: CPU %d too large (max=%ld)\n", i,
448 max_cpu);
449 return 1;
450 }
62a7273d 451 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 452 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 453 }
454 }
d2e268b0 455
d2e268b0 456 return 0;
214e1eca
JA		 457}
458
e8462bd8
JA		 459static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
460 const char *input)
214e1eca 461{
d2e268b0 462 char *cpu, *str, *p;
b03daafb 463 long max_cpu;
19608d6c 464 int ret = 0;
d2e268b0 465
e8462bd8 466 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 467 if (ret < 0) {
468 log_err("fio: cpuset_init failed\n");
469 td_verror(td, ret, "fio_cpuset_init");
470 return 1;
471 }
d2e268b0
JA		 472
473 p = str = strdup(input);
214e1eca 474
d2e268b0
JA		 475 strip_blank_front(&str);
476 strip_blank_end(str);
477
c00a2289 478 max_cpu = cpus_online();
b03daafb 479
d2e268b0 480 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 481 char *str2, *cpu2;
482 int icpu, icpu2;
483
d2e268b0
JA		 484 if (!strlen(cpu))
485 break;
62a7273d
JA		 486
487 str2 = cpu;
488 icpu2 = -1;
489 while ((cpu2 = strsep(&str2, "-")) != NULL) {
490 if (!strlen(cpu2))
491 break;
492
493 icpu2 = atoi(cpu2);
494 }
495
496 icpu = atoi(cpu);
497 if (icpu2 == -1)
498 icpu2 = icpu;
499 while (icpu <= icpu2) {
6d459ee7 500 if (icpu >= FIO_MAX_CPUS) {
19608d6c 501 log_err("fio: your OS only supports up to"
6d459ee7 502 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 503 ret = 1;
504 break;
505 }
b03daafb
JA		 506 if (icpu > max_cpu) {
507 log_err("fio: CPU %d too large (max=%ld)\n",
508 icpu, max_cpu);
509 ret = 1;
510 break;
511 }
0b9d69ec 512
62a7273d 513 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 514 fio_cpu_set(mask, icpu);
62a7273d
JA		 515 icpu++;
516 }
19608d6c
JA		 517 if (ret)
518 break;
d2e268b0
JA		 519 }
520
521 free(p);
19608d6c 522 return ret;
214e1eca 523}
e8462bd8
JA		 524
525static int str_cpus_allowed_cb(void *data, const char *input)
526{
527 struct thread_data *td = data;
e8462bd8 528
52c0cea3
JA		 529 if (parse_dryrun())
530 return 0;
531
b2a9e649 532 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 533}
534
535static int str_verify_cpus_allowed_cb(void *data, const char *input)
536{
537 struct thread_data *td = data;
e8462bd8 538
b2a9e649 539 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 540}
d2e268b0 541#endif
214e1eca 542
67bf9823 543#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 544static int str_numa_cpunodes_cb(void *data, char *input)
545{
546 struct thread_data *td = data;
43522848 547 struct bitmask *verify_bitmask;
d0b937ed 548
52c0cea3
JA		 549 if (parse_dryrun())
550 return 0;
551
d0b937ed
YR		 552 /* numa_parse_nodestring() parses a character string list
553 * of nodes into a bit mask. The bit mask is allocated by
554 * numa_allocate_nodemask(), so it should be freed by
555 * numa_free_nodemask().
556 */
43522848
DG		 557 verify_bitmask = numa_parse_nodestring(input);
558 if (verify_bitmask == NULL) {
d0b937ed
YR		 559 log_err("fio: numa_parse_nodestring failed\n");
560 td_verror(td, 1, "str_numa_cpunodes_cb");
561 return 1;
562 }
43522848 563 numa_free_nodemask(verify_bitmask);
d0b937ed 564
43522848 565 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 566 return 0;
567}
568
569static int str_numa_mpol_cb(void *data, char *input)
570{
571 struct thread_data *td = data;
572 const char * const policy_types[] =
05d6f44b 573 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 574 int i;
52c0cea3 575 char *nodelist;
43522848 576 struct bitmask *verify_bitmask;
52c0cea3
JA		 577
578 if (parse_dryrun())
579 return 0;
d0b937ed 580
52c0cea3 581 nodelist = strchr(input, ':');
d0b937ed
YR		 582 if (nodelist) {
583 /* NUL-terminate mode */
584 *nodelist++ = '\0';
585 }
586
587 for (i = 0; i <= MPOL_LOCAL; i++) {
588 if (!strcmp(input, policy_types[i])) {
589 td->o.numa_mem_mode = i;
590 break;
591 }
592 }
593 if (i > MPOL_LOCAL) {
594 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
595 goto out;
596 }
597
598 switch (td->o.numa_mem_mode) {
599 case MPOL_PREFERRED:
600 /*
601 * Insist on a nodelist of one node only
602 */
603 if (nodelist) {
604 char *rest = nodelist;
605 while (isdigit(*rest))
606 rest++;
607 if (*rest) {
608 log_err("fio: one node only for \'prefer\'\n");
609 goto out;
610 }
611 } else {
612 log_err("fio: one node is needed for \'prefer\'\n");
613 goto out;
614 }
615 break;
616 case MPOL_INTERLEAVE:
617 /*
618 * Default to online nodes with memory if no nodelist
619 */
620 if (!nodelist)
621 nodelist = strdup("all");
622 break;
623 case MPOL_LOCAL:
624 case MPOL_DEFAULT:
625 /*
626 * Don't allow a nodelist
627 */
628 if (nodelist) {
629 log_err("fio: NO nodelist for \'local\'\n");
630 goto out;
631 }
632 break;
633 case MPOL_BIND:
634 /*
635 * Insist on a nodelist
636 */
637 if (!nodelist) {
638 log_err("fio: a nodelist is needed for \'bind\'\n");
639 goto out;
640 }
641 break;
642 }
643
644
645 /* numa_parse_nodestring() parses a character string list
646 * of nodes into a bit mask. The bit mask is allocated by
647 * numa_allocate_nodemask(), so it should be freed by
648 * numa_free_nodemask().
649 */
650 switch (td->o.numa_mem_mode) {
651 case MPOL_PREFERRED:
652 td->o.numa_mem_prefer_node = atoi(nodelist);
653 break;
654 case MPOL_INTERLEAVE:
655 case MPOL_BIND:
43522848
DG		 656 verify_bitmask = numa_parse_nodestring(nodelist);
657 if (verify_bitmask == NULL) {
d0b937ed
YR		 658 log_err("fio: numa_parse_nodestring failed\n");
659 td_verror(td, 1, "str_numa_memnodes_cb");
660 return 1;
661 }
43522848
DG		 662 td->o.numa_memnodes = strdup(nodelist);
663 numa_free_nodemask(verify_bitmask);
b74e419e 664
d0b937ed
YR		 665 break;
666 case MPOL_LOCAL:
667 case MPOL_DEFAULT:
668 default:
669 break;
670 }
671
d0b937ed 672 return 0;
d0b937ed
YR		 673out:
674 return 1;
675}
676#endif
677
214e1eca
JA		 678static int str_fst_cb(void *data, const char *str)
679{
680 struct thread_data *td = data;
681 char *nr = get_opt_postfix(str);
682
683 td->file_service_nr = 1;
182ec6ee 684 if (nr) {
214e1eca 685 td->file_service_nr = atoi(nr);
182ec6ee
JA		 686 free(nr);
687 }
214e1eca
JA		 688
689 return 0;
690}
691
67bf9823 692#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 693static int str_sfr_cb(void *data, const char *str)
694{
695 struct thread_data *td = data;
696 char *nr = get_opt_postfix(str);
697
698 td->sync_file_range_nr = 1;
699 if (nr) {
700 td->sync_file_range_nr = atoi(nr);
701 free(nr);
702 }
703
704 return 0;
705}
3ae06371 706#endif
44f29692 707
e25839d4
JA		 708static int str_random_distribution_cb(void *data, const char *str)
709{
710 struct thread_data *td = data;
711 double val;
712 char *nr;
713
52c0cea3
JA		 714 if (parse_dryrun())
715 return 0;
716
925fee33 717 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 718 val = FIO_DEF_ZIPF;
925fee33 719 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 720 val = FIO_DEF_PARETO;
56d9fa4b
JA		 721 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
722 val = 0.0;
925fee33 723 else
e25839d4
JA		 724 return 0;
725
726 nr = get_opt_postfix(str);
88038bc7 727 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 728 log_err("fio: random postfix parsing failed\n");
729 free(nr);
730 return 1;
731 }
732
078189c1
JA		 733 free(nr);
734
18ded917
JA		 735 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
736 if (val == 1.00) {
737 log_err("fio: zipf theta must different than 1.0\n");
738 return 1;
739 }
1e5324e7 740 td->o.zipf_theta.u.f = val;
56d9fa4b 741 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 742 if (val <= 0.00 || val >= 1.00) {
743 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
744 return 1;
745 }
1e5324e7 746 td->o.pareto_h.u.f = val;
3cdb8cf3
JA		 747 } else {
748 if (val <= 0.00 || val >= 100.0) {
749 log_err("fio: normal deviation out of range (0 < input < 100.0)\n");
750 return 1;
751 }
f88cd222 752 td->o.gauss_dev.u.f = val;
3cdb8cf3 753 }
921c766f
JA		 754
755 return 0;
756}
757
8e827d35 758/*
bcbfeefa 759 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 760 * is escaped with a '\', then that ':' is part of the filename and does not
761 * indicate a new file.
762 */
bcbfeefa 763static char *get_next_name(char **ptr)
8e827d35
JA		 764{
765 char *str = *ptr;
766 char *p, *start;
767
768 if (!str || !strlen(str))
769 return NULL;
770
771 start = str;
772 do {
773 /*
774 * No colon, we are done
775 */
776 p = strchr(str, ':');
777 if (!p) {
778 *ptr = NULL;
779 break;
780 }
781
782 /*
783 * We got a colon, but it's the first character. Skip and
784 * continue
785 */
786 if (p == start) {
787 str = ++start;
788 continue;
789 }
790
791 if (*(p - 1) != '\\') {
792 *p = '\0';
793 *ptr = p + 1;
794 break;
795 }
796
797 memmove(p - 1, p, strlen(p) + 1);
798 str = p;
799 } while (1);
800
801 return start;
802}
803
bcbfeefa
CE		 804
805static int get_max_name_idx(char *input)
806{
807 unsigned int cur_idx;
808 char *str, *p;
809
810 p = str = strdup(input);
811 for (cur_idx = 0; ; cur_idx++)
812 if (get_next_name(&str) == NULL)
813 break;
814
815 free(p);
816 return cur_idx;
817}
818
819/*
820 * Returns the directory at the index, indexes > entires will be
821 * assigned via modulo division of the index
822 */
823int set_name_idx(char *target, char *input, int index)
824{
825 unsigned int cur_idx;
826 int len;
827 char *fname, *str, *p;
828
829 p = str = strdup(input);
830
831 index %= get_max_name_idx(input);
832 for (cur_idx = 0; cur_idx <= index; cur_idx++)
833 fname = get_next_name(&str);
834
835 len = sprintf(target, "%s/", fname);
836 free(p);
837
838 return len;
839}
840
214e1eca
JA		 841static int str_filename_cb(void *data, const char *input)
842{
843 struct thread_data *td = data;
844 char *fname, *str, *p;
845
846 p = str = strdup(input);
847
848 strip_blank_front(&str);
849 strip_blank_end(str);
850
851 if (!td->files_index)
2dc1bbeb 852 td->o.nr_files = 0;
214e1eca 853
bcbfeefa 854 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 855 if (!strlen(fname))
856 break;
5903e7b7 857 add_file(td, fname, 0, 1);
214e1eca
JA		 858 }
859
860 free(p);
861 return 0;
862}
863
bcbfeefa 864static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA		 865{
866 struct thread_data *td = data;
867 struct stat sb;
bcbfeefa
CE		 868 char *dirname, *str, *p;
869 int ret = 0;
214e1eca 870
f9633d72
JA		 871 if (parse_dryrun())
872 return 0;
873
bcbfeefa
CE		 874 p = str = strdup(td->o.directory);
875 while ((dirname = get_next_name(&str)) != NULL) {
876 if (lstat(dirname, &sb) < 0) {
877 ret = errno;
921c766f 878
bcbfeefa
CE		 879 log_err("fio: %s is not a directory\n", dirname);
880 td_verror(td, ret, "lstat");
881 goto out;
882 }
883 if (!S_ISDIR(sb.st_mode)) {
884 log_err("fio: %s is not a directory\n", dirname);
885 ret = 1;
886 goto out;
887 }
214e1eca
JA		 888 }
889
bcbfeefa
CE		 890out:
891 free(p);
892 return ret;
214e1eca
JA		 893}
894
895static int str_opendir_cb(void *data, const char fio_unused *str)
896{
897 struct thread_data *td = data;
898
52c0cea3
JA		 899 if (parse_dryrun())
900 return 0;
901
214e1eca 902 if (!td->files_index)
2dc1bbeb 903 td->o.nr_files = 0;
214e1eca 904
2dc1bbeb 905 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 906}
907
ce35b1ec
JA		 908static int pattern_cb(char *pattern, unsigned int max_size,
909 const char *input, unsigned int *pattern_bytes)
90059d65 910{
0e92f873 911 long off;
ce35b1ec
JA		 912 int i = 0, j = 0, len, k, base = 10;
913 uint32_t pattern_length;
3c3ed070 914 char *loc1, *loc2;
0e92f873 915
02975b64
JA		 916 /*
917 * Check if it's a string input
918 */
919 loc1 = strchr(input, '\"');
920 if (loc1) {
921 do {
922 loc1++;
923 if (*loc1 == '\0' || *loc1 == '\"')
924 break;
925
926 pattern[i] = *loc1;
927 i++;
928 } while (i < max_size);
929
930 if (!i)
931 return 1;
932
933 goto fill;
934 }
935
936 /*
937 * No string, find out if it's decimal or hexidecimal
938 */
0e92f873
RR		 939 loc1 = strstr(input, "0x");
940 loc2 = strstr(input, "0X");
941 if (loc1 || loc2)
942 base = 16;
943 off = strtol(input, NULL, base);
944 if (off != LONG_MAX || errno != ERANGE) {
945 while (off) {
ce35b1ec 946 pattern[i] = off & 0xff;
0e92f873
RR		 947 off >>= 8;
948 i++;
949 }
950 } else {
951 len = strlen(input);
952 k = len - 1;
953 if (base == 16) {
954 if (loc1)
955 j = loc1 - input + 2;
956 else
957 j = loc2 - input + 2;
958 } else
959 return 1;
ce35b1ec 960 if (len - j < max_size * 2) {
0e92f873
RR		 961 while (k >= j) {
962 off = converthexchartoint(input[k--]);
963 if (k >= j)
964 off += (converthexchartoint(input[k--])
965 * 16);
ce35b1ec 966 pattern[i++] = (char) off;
0e92f873
RR		 967 }
968 }
969 }
efcd9dcc
SL		 970
971 /*
972 * Fill the pattern all the way to the end. This greatly reduces
973 * the number of memcpy's we have to do when verifying the IO.
974 */
02975b64 975fill:
e078de4a 976 pattern_length = i;
ce35b1ec
JA		 977 while (i > 1 && i * 2 <= max_size) {
978 memcpy(&pattern[i], &pattern[0], i);
efcd9dcc
SL		 979 i *= 2;
980 }
e078de4a
JA		 981
982 /*
983 * Fill remainder, if the pattern multiple ends up not being
ce35b1ec 984 * max_size.
e078de4a 985 */
ce35b1ec
JA		 986 while (i > 1 && i < max_size) {
987 unsigned int b = min(pattern_length, max_size - i);
e078de4a 988
ce35b1ec 989 memcpy(&pattern[i], &pattern[0], b);
e078de4a
JA		 990 i += b;
991 }
992
9a2a86d0
SL		 993 if (i == 1) {
994 /*
d2ba0d7c
JA		 995 * The code in verify_io_u_pattern assumes a single byte
996 * pattern fills the whole verify pattern buffer.
9a2a86d0 997 */
ce35b1ec
JA		 998 memset(pattern, pattern[0], max_size);
999 }
1000
1001 *pattern_bytes = i;
1002 return 0;
1003}
1004
1005static int str_buffer_pattern_cb(void *data, const char *input)
1006{
1007 struct thread_data *td = data;
1008 int ret;
1009
1010 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
1011 &td->o.buffer_pattern_bytes);
1012
d2ba0d7c 1013 if (!ret && td->o.buffer_pattern_bytes) {
3397806e
JA		 1014 if (!td->o.compress_percentage)
1015 td->o.refill_buffers = 0;
ce35b1ec
JA		 1016 td->o.scramble_buffers = 0;
1017 td->o.zero_buffers = 0;
d2ba0d7c
JA		 1018 } else {
1019 log_err("fio: failed parsing pattern `%s`\n", input);
1020 ret = 1;
9a2a86d0 1021 }
efcd9dcc 1022
ce35b1ec
JA		 1023 return ret;
1024}
1025
bedc9dc2
JA		 1026static int str_buffer_compress_cb(void *data, unsigned long long *il)
1027{
1028 struct thread_data *td = data;
1029
1030 td->flags |= TD_F_COMPRESS;
1031 td->o.compress_percentage = *il;
1032 return 0;
1033}
1034
5c94b008
JA		 1035static int str_dedupe_cb(void *data, unsigned long long *il)
1036{
1037 struct thread_data *td = data;
1038
1039 td->flags |= TD_F_COMPRESS;
1040 td->o.dedupe_percentage = *il;
1041 td->o.refill_buffers = 1;
1042 return 0;
1043}
1044
ce35b1ec
JA		 1045static int str_verify_pattern_cb(void *data, const char *input)
1046{
1047 struct thread_data *td = data;
1048 int ret;
1049
1050 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1051 &td->o.verify_pattern_bytes);
efcd9dcc 1052
92bf48d5
JA		 1053 /*
1054 * VERIFY_META could already be set
1055 */
ce35b1ec 1056 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 1057 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1058
ce35b1ec 1059 return ret;
90059d65 1060}
214e1eca 1061
993bf48b
JA		 1062static int str_gtod_reduce_cb(void *data, int *il)
1063{
1064 struct thread_data *td = data;
1065 int val = *il;
1066
02af0988 1067 td->o.disable_lat = !!val;
993bf48b
JA		 1068 td->o.disable_clat = !!val;
1069 td->o.disable_slat = !!val;
1070 td->o.disable_bw = !!val;
0dc1bc03 1071 td->o.clat_percentiles = !val;
993bf48b
JA		 1072 if (val)
1073 td->tv_cache_mask = 63;
1074
1075 return 0;
1076}
1077
7bb59102
JA		 1078static int str_size_cb(void *data, unsigned long long *__val)
1079{
1080 struct thread_data *td = data;
1081 unsigned long long v = *__val;
1082
1083 if (parse_is_percent(v)) {
1084 td->o.size = 0;
1085 td->o.size_percent = -1ULL - v;
1086 } else
1087 td->o.size = v;
1088
1089 return 0;
1090}
1091
896cac2a
JA		 1092static int rw_verify(struct fio_option *o, void *data)
1093{
1094 struct thread_data *td = data;
1095
1096 if (read_only && td_write(td)) {
1097 log_err("fio: job <%s> has write bit set, but fio is in"
1098 " read-only mode\n", td->o.name);
1099 return 1;
1100 }
1101
1102 return 0;
1103}
1104
276ca4f7 1105static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1106{
276ca4f7 1107#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1108 struct thread_data *td = data;
1109
29d43ff9
JA		 1110 if (td->o.gtod_cpu) {
1111 log_err("fio: platform must support CPU affinity for"
1112 "gettimeofday() offloading\n");
1113 return 1;
1114 }
1115#endif
1116
1117 return 0;
1118}
1119
9af4a244
JA		 1120/*
1121 * Option grouping
1122 */
1123static struct opt_group fio_opt_groups[] = {
1124 {
e8b0e958
JA		 1125 .name = "General",
1126 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 1127 },
1128 {
e8b0e958
JA		 1129 .name = "I/O",
1130 .mask = FIO_OPT_C_IO,
9af4a244
JA		 1131 },
1132 {
e8b0e958
JA		 1133 .name = "File",
1134 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 1135 },
1136 {
e8b0e958
JA		 1137 .name = "Statistics",
1138 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 1139 },
1140 {
e8b0e958
JA		 1141 .name = "Logging",
1142 .mask = FIO_OPT_C_LOG,
9af4a244 1143 },
13fca827
JA		 1144 {
1145 .name = "Profiles",
1146 .mask = FIO_OPT_C_PROFILE,
1147 },
e231bbe6 1148 {
e8b0e958 1149 .name = NULL,
e231bbe6 1150 },
e8b0e958
JA		 1151};
1152
1153static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1154 unsigned int inv_mask)
1155{
1156 struct opt_group *og;
1157 int i;
1158
1159 if (*mask == inv_mask || !*mask)
1160 return NULL;
1161
1162 for (i = 0; ogs[i].name; i++) {
1163 og = &ogs[i];
1164
1165 if (*mask & og->mask) {
1166 *mask &= ~(og->mask);
1167 return og;
1168 }
1169 }
1170
1171 return NULL;
1172}
1173
1174struct opt_group *opt_group_from_mask(unsigned int *mask)
1175{
1176 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1177}
1178
1179static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA		 1180 {
1181 .name = "Latency profiling",
1182 .mask = FIO_OPT_G_LATPROF,
1183 },
9af4a244 1184 {
e8b0e958
JA		 1185 .name = "Rate",
1186 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1187 },
1188 {
e8b0e958
JA		 1189 .name = "Zone",
1190 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1191 },
1192 {
e8b0e958
JA		 1193 .name = "Read/write mix",
1194 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1195 },
1196 {
1197 .name = "Verify",
1198 .mask = FIO_OPT_G_VERIFY,
1199 },
1200 {
e8b0e958
JA		 1201 .name = "Trim",
1202 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1203 },
1204 {
e8b0e958
JA		 1205 .name = "I/O Logging",
1206 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1207 },
1208 {
e8b0e958
JA		 1209 .name = "I/O Depth",
1210 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1211 },
1212 {
e8b0e958
JA		 1213 .name = "I/O Flow",
1214 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1215 },
0626037e
JA		 1216 {
1217 .name = "Description",
1218 .mask = FIO_OPT_G_DESC,
1219 },
1220 {
1221 .name = "Filename",
1222 .mask = FIO_OPT_G_FILENAME,
1223 },
1224 {
1225 .name = "General I/O",
1226 .mask = FIO_OPT_G_IO_BASIC,
1227 },
a1f6afec
JA		 1228 {
1229 .name = "Cgroups",
1230 .mask = FIO_OPT_G_CGROUP,
1231 },
1232 {
1233 .name = "Runtime",
1234 .mask = FIO_OPT_G_RUNTIME,
1235 },
10860056
JA		 1236 {
1237 .name = "Process",
1238 .mask = FIO_OPT_G_PROCESS,
1239 },
1240 {
1241 .name = "Job credentials / priority",
1242 .mask = FIO_OPT_G_CRED,
1243 },
1244 {
1245 .name = "Clock settings",
1246 .mask = FIO_OPT_G_CLOCK,
1247 },
3ceb458f
JA		 1248 {
1249 .name = "I/O Type",
1250 .mask = FIO_OPT_G_IO_TYPE,
1251 },
1252 {
1253 .name = "I/O Thinktime",
1254 .mask = FIO_OPT_G_THINKTIME,
1255 },
1256 {
1257 .name = "Randomizations",
1258 .mask = FIO_OPT_G_RANDOM,
1259 },
1260 {
1261 .name = "I/O buffers",
1262 .mask = FIO_OPT_G_IO_BUF,
1263 },
13fca827
JA		 1264 {
1265 .name = "Tiobench profile",
1266 .mask = FIO_OPT_G_TIOBENCH,
1267 },
65fa28ca
DE		 1268 {
1269 .name = "MTD",
1270 .mask = FIO_OPT_G_MTD,
1271 },
13fca827 1272
9af4a244
JA		 1273 {
1274 .name = NULL,
e8b0e958 1275 }
9af4a244
JA		 1276};
1277
e8b0e958 1278struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1279{
e8b0e958 1280 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1281}
1282
214e1eca
JA		 1283/*
1284 * Map of job/command line options
1285 */
9af4a244 1286struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1287 {
1288 .name = "description",
e8b0e958 1289 .lname = "Description of job",
214e1eca
JA		 1290 .type = FIO_OPT_STR_STORE,
1291 .off1 = td_var_offset(description),
1292 .help = "Text job description",
e8b0e958 1293 .category = FIO_OPT_C_GENERAL,
0626037e 1294 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1295 },
1296 {
1297 .name = "name",
e8b0e958 1298 .lname = "Job name",
214e1eca
JA		 1299 .type = FIO_OPT_STR_STORE,
1300 .off1 = td_var_offset(name),
1301 .help = "Name of this job",
e8b0e958 1302 .category = FIO_OPT_C_GENERAL,
0626037e 1303 .group = FIO_OPT_G_DESC,
214e1eca 1304 },
214e1eca
JA		 1305 {
1306 .name = "filename",
e8b0e958 1307 .lname = "Filename(s)",
214e1eca
JA		 1308 .type = FIO_OPT_STR_STORE,
1309 .off1 = td_var_offset(filename),
1310 .cb = str_filename_cb,
f0d524b0 1311 .prio = -1, /* must come after "directory" */
214e1eca 1312 .help = "File(s) to use for the workload",
e8b0e958 1313 .category = FIO_OPT_C_FILE,
0626037e 1314 .group = FIO_OPT_G_FILENAME,
214e1eca 1315 },
90fef2d1 1316 {
e8b0e958
JA		 1317 .name = "directory",
1318 .lname = "Directory",
1319 .type = FIO_OPT_STR_STORE,
1320 .off1 = td_var_offset(directory),
1321 .cb = str_directory_cb,
1322 .help = "Directory to store files in",
1323 .category = FIO_OPT_C_FILE,
0626037e 1324 .group = FIO_OPT_G_FILENAME,
90fef2d1 1325 },
de98bd30
JA		 1326 {
1327 .name = "filename_format",
1328 .type = FIO_OPT_STR_STORE,
1329 .off1 = td_var_offset(filename_format),
1330 .prio = -1, /* must come after "directory" */
1331 .help = "Override default $jobname.$jobnum.$filenum naming",
1332 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1333 .category = FIO_OPT_C_FILE,
1334 .group = FIO_OPT_G_FILENAME,
ad705bcb 1335 },
29c1349f
JA		 1336 {
1337 .name = "lockfile",
e8b0e958 1338 .lname = "Lockfile",
4d4e80f2 1339 .type = FIO_OPT_STR,
4d4e80f2 1340 .off1 = td_var_offset(file_lock_mode),
29c1349f 1341 .help = "Lock file when doing IO to it",
bc6a0a5d 1342 .prio = 1,
29c1349f 1343 .parent = "filename",
d71c154c 1344 .hide = 0,
4d4e80f2 1345 .def = "none",
e8b0e958 1346 .category = FIO_OPT_C_FILE,
0626037e 1347 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1348 .posval = {
1349 { .ival = "none",
1350 .oval = FILE_LOCK_NONE,
1351 .help = "No file locking",
1352 },
1353 { .ival = "exclusive",
1354 .oval = FILE_LOCK_EXCLUSIVE,
1355 .help = "Exclusive file lock",
1356 },
1357 {
1358 .ival = "readwrite",
1359 .oval = FILE_LOCK_READWRITE,
1360 .help = "Read vs write lock",
1361 },
1362 },
29c1349f 1363 },
214e1eca
JA		 1364 {
1365 .name = "opendir",
e8b0e958 1366 .lname = "Open directory",
214e1eca
JA		 1367 .type = FIO_OPT_STR_STORE,
1368 .off1 = td_var_offset(opendir),
1369 .cb = str_opendir_cb,
1370 .help = "Recursively add files from this directory and down",
e8b0e958 1371 .category = FIO_OPT_C_FILE,
0626037e 1372 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1373 },
1374 {
1375 .name = "rw",
e8b0e958 1376 .lname = "Read/write",
d3aad8f2 1377 .alias = "readwrite",
214e1eca 1378 .type = FIO_OPT_STR,
211097b2 1379 .cb = str_rw_cb,
214e1eca
JA		 1380 .off1 = td_var_offset(td_ddir),
1381 .help = "IO direction",
1382 .def = "read",
896cac2a 1383 .verify = rw_verify,
e8b0e958 1384 .category = FIO_OPT_C_IO,
0626037e 1385 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1386 .posval = {
1387 { .ival = "read",
1388 .oval = TD_DDIR_READ,
1389 .help = "Sequential read",
1390 },
1391 { .ival = "write",
1392 .oval = TD_DDIR_WRITE,
1393 .help = "Sequential write",
1394 },
6eaf09d6
SL		 1395 { .ival = "trim",
1396 .oval = TD_DDIR_TRIM,
1397 .help = "Sequential trim",
1398 },
214e1eca
JA		 1399 { .ival = "randread",
1400 .oval = TD_DDIR_RANDREAD,
1401 .help = "Random read",
1402 },
1403 { .ival = "randwrite",
1404 .oval = TD_DDIR_RANDWRITE,
1405 .help = "Random write",
1406 },
6eaf09d6
SL		 1407 { .ival = "randtrim",
1408 .oval = TD_DDIR_RANDTRIM,
1409 .help = "Random trim",
1410 },
214e1eca
JA		 1411 { .ival = "rw",
1412 .oval = TD_DDIR_RW,
1413 .help = "Sequential read and write mix",
1414 },
10b023db
JA		 1415 { .ival = "readwrite",
1416 .oval = TD_DDIR_RW,
1417 .help = "Sequential read and write mix",
1418 },
214e1eca
JA		 1419 { .ival = "randrw",
1420 .oval = TD_DDIR_RANDRW,
1421 .help = "Random read and write mix"
1422 },
82a90686
JA		 1423 { .ival = "trimwrite",
1424 .oval = TD_DDIR_TRIMWRITE,
1425 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1426 },
214e1eca
JA		 1427 },
1428 },
38dad62d
JA		 1429 {
1430 .name = "rw_sequencer",
e8b0e958 1431 .lname = "RW Sequencer",
38dad62d
JA		 1432 .type = FIO_OPT_STR,
1433 .off1 = td_var_offset(rw_seq),
1434 .help = "IO offset generator modifier",
1435 .def = "sequential",
e8b0e958 1436 .category = FIO_OPT_C_IO,
0626037e 1437 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1438 .posval = {
1439 { .ival = "sequential",
1440 .oval = RW_SEQ_SEQ,
1441 .help = "Generate sequential offsets",
1442 },
1443 { .ival = "identical",
1444 .oval = RW_SEQ_IDENT,
1445 .help = "Generate identical offsets",
1446 },
1447 },
1448 },
1449
214e1eca
JA		 1450 {
1451 .name = "ioengine",
e8b0e958 1452 .lname = "IO Engine",
214e1eca
JA		 1453 .type = FIO_OPT_STR_STORE,
1454 .off1 = td_var_offset(ioengine),
1455 .help = "IO engine to use",
58483fa4 1456 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1457 .category = FIO_OPT_C_IO,
0626037e 1458 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1459 .posval = {
1460 { .ival = "sync",
1461 .help = "Use read/write",
1462 },
a31041ea 1463 { .ival = "psync",
1464 .help = "Use pread/pwrite",
1465 },
1d2af02a 1466 { .ival = "vsync",
03e20d68 1467 .help = "Use readv/writev",
1d2af02a 1468 },
07fc0acd
JA		 1469#ifdef CONFIG_PWRITEV
1470 { .ival = "pvsync",
1471 .help = "Use preadv/pwritev",
1472 },
1473#endif
67bf9823 1474#ifdef CONFIG_LIBAIO
214e1eca
JA		 1475 { .ival = "libaio",
1476 .help = "Linux native asynchronous IO",
1477 },
1478#endif
67bf9823 1479#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1480 { .ival = "posixaio",
1481 .help = "POSIX asynchronous IO",
1482 },
417f0068 1483#endif
997843cb 1484#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1485 { .ival = "solarisaio",
1486 .help = "Solaris native asynchronous IO",
1487 },
214e1eca 1488#endif
4700b234 1489#ifdef CONFIG_WINDOWSAIO
03e20d68 1490 { .ival = "windowsaio",
3be80071 1491 .help = "Windows native asynchronous IO"
de890a1e 1492 },
fc5c0345
DG		 1493#endif
1494#ifdef CONFIG_RBD
1495 { .ival = "rbd",
1496 .help = "Rados Block Device asynchronous IO"
1497 },
3be80071 1498#endif
214e1eca 1499 { .ival = "mmap",
03e20d68 1500 .help = "Memory mapped IO"
214e1eca 1501 },
67bf9823 1502#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1503 { .ival = "splice",
1504 .help = "splice/vmsplice based IO",
1505 },
9cce02e8
JA		 1506 { .ival = "netsplice",
1507 .help = "splice/vmsplice to/from the network",
1508 },
214e1eca
JA		 1509#endif
1510#ifdef FIO_HAVE_SGIO
1511 { .ival = "sg",
1512 .help = "SCSI generic v3 IO",
1513 },
1514#endif
1515 { .ival = "null",
1516 .help = "Testing engine (no data transfer)",
1517 },
1518 { .ival = "net",
1519 .help = "Network IO",
1520 },
214e1eca 1521 { .ival = "cpuio",
03e20d68 1522 .help = "CPU cycle burner engine",
214e1eca 1523 },
67bf9823 1524#ifdef CONFIG_GUASI
b8c82a46
JA		 1525 { .ival = "guasi",
1526 .help = "GUASI IO engine",
1527 },
79a43187
JA		 1528#endif
1529#ifdef FIO_HAVE_BINJECT
1530 { .ival = "binject",
1531 .help = "binject direct inject block engine",
1532 },
21b8aee8 1533#endif
67bf9823 1534#ifdef CONFIG_RDMA
21b8aee8 1535 { .ival = "rdma",
1536 .help = "RDMA IO engine",
1537 },
8200b8c7 1538#endif
67bf9823 1539#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1540 { .ival = "fusion-aw-sync",
1541 .help = "Fusion-io atomic write engine",
1542 },
1ecc95ca 1543#endif
997843cb 1544#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1545 { .ival = "e4defrag",
1546 .help = "ext4 defrag engine",
1547 },
1548#endif
997843cb 1549#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1550 { .ival = "falloc",
1551 .help = "fallocate() file based engine",
1552 },
b8c82a46 1553#endif
a7c386f4 1554#ifdef CONFIG_GFAPI
1555 { .ival = "gfapi",
cc47f094 1556 .help = "Glusterfs libgfapi(sync) based engine"
1557 },
1558 { .ival = "gfapi_async",
1559 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1560 },
1561#endif
1b10477b 1562#ifdef CONFIG_LIBHDFS
b74e419e 1563 { .ival = "libhdfs",
1b10477b
MM		 1564 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1565 },
1566#endif
214e1eca
JA		 1567 { .ival = "external",
1568 .help = "Load external engine (append name)",
1569 },
1570 },
1571 },
1572 {
1573 .name = "iodepth",
e8b0e958 1574 .lname = "IO Depth",
214e1eca
JA		 1575 .type = FIO_OPT_INT,
1576 .off1 = td_var_offset(iodepth),
03e20d68 1577 .help = "Number of IO buffers to keep in flight",
757aff4f 1578 .minval = 1,
20eb06bd 1579 .interval = 1,
214e1eca 1580 .def = "1",
e8b0e958 1581 .category = FIO_OPT_C_IO,
0626037e 1582 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1583 },
1584 {
1585 .name = "iodepth_batch",
e8b0e958 1586 .lname = "IO Depth batch",
4950421a 1587 .alias = "iodepth_batch_submit",
214e1eca
JA		 1588 .type = FIO_OPT_INT,
1589 .off1 = td_var_offset(iodepth_batch),
d65db441 1590 .help = "Number of IO buffers to submit in one go",
afdf9352 1591 .parent = "iodepth",
d71c154c 1592 .hide = 1,
a2e6f8ac 1593 .minval = 1,
20eb06bd 1594 .interval = 1,
a2e6f8ac 1595 .def = "1",
e8b0e958 1596 .category = FIO_OPT_C_IO,
0626037e 1597 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1598 },
1599 {
1600 .name = "iodepth_batch_complete",
e8b0e958 1601 .lname = "IO Depth batch complete",
4950421a
JA		 1602 .type = FIO_OPT_INT,
1603 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1604 .help = "Number of IO buffers to retrieve in one go",
4950421a 1605 .parent = "iodepth",
d71c154c 1606 .hide = 1,
4950421a 1607 .minval = 0,
20eb06bd 1608 .interval = 1,
4950421a 1609 .def = "1",
e8b0e958 1610 .category = FIO_OPT_C_IO,
0626037e 1611 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1612 },
1613 {
1614 .name = "iodepth_low",
e8b0e958 1615 .lname = "IO Depth batch low",
214e1eca
JA		 1616 .type = FIO_OPT_INT,
1617 .off1 = td_var_offset(iodepth_low),
1618 .help = "Low water mark for queuing depth",
afdf9352 1619 .parent = "iodepth",
d71c154c 1620 .hide = 1,
20eb06bd 1621 .interval = 1,
e8b0e958 1622 .category = FIO_OPT_C_IO,
0626037e 1623 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1624 },
1625 {
1626 .name = "size",
e8b0e958 1627 .lname = "Size",
214e1eca 1628 .type = FIO_OPT_STR_VAL,
7bb59102 1629 .cb = str_size_cb,
a8523a6a 1630 .off1 = td_var_offset(size),
214e1eca 1631 .help = "Total size of device or files",
20eb06bd 1632 .interval = 1024 * 1024,
e8b0e958
JA		 1633 .category = FIO_OPT_C_IO,
1634 .group = FIO_OPT_G_INVALID,
214e1eca 1635 },
77731b29 1636 {
a4d3b4db
JA		 1637 .name = "io_size",
1638 .alias = "io_limit",
1639 .lname = "IO Size",
77731b29
JA		 1640 .type = FIO_OPT_STR_VAL,
1641 .off1 = td_var_offset(io_limit),
1642 .interval = 1024 * 1024,
1643 .category = FIO_OPT_C_IO,
1644 .group = FIO_OPT_G_INVALID,
1645 },
aa31f1f1
SL		 1646 {
1647 .name = "fill_device",
e8b0e958 1648 .lname = "Fill device",
74586c1e 1649 .alias = "fill_fs",
aa31f1f1
SL		 1650 .type = FIO_OPT_BOOL,
1651 .off1 = td_var_offset(fill_device),
1652 .help = "Write until an ENOSPC error occurs",
1653 .def = "0",
e8b0e958
JA		 1654 .category = FIO_OPT_C_FILE,
1655 .group = FIO_OPT_G_INVALID,
aa31f1f1 1656 },
214e1eca
JA		 1657 {
1658 .name = "filesize",
e8b0e958 1659 .lname = "File size",
214e1eca
JA		 1660 .type = FIO_OPT_STR_VAL,
1661 .off1 = td_var_offset(file_size_low),
1662 .off2 = td_var_offset(file_size_high),
c3edbdba 1663 .minval = 1,
214e1eca 1664 .help = "Size of individual files",
20eb06bd 1665 .interval = 1024 * 1024,
e8b0e958
JA		 1666 .category = FIO_OPT_C_FILE,
1667 .group = FIO_OPT_G_INVALID,
214e1eca 1668 },
bedc9dc2
JA		 1669 {
1670 .name = "file_append",
1671 .lname = "File append",
1672 .type = FIO_OPT_BOOL,
1673 .off1 = td_var_offset(file_append),
1674 .help = "IO will start at the end of the file(s)",
1675 .def = "0",
1676 .category = FIO_OPT_C_FILE,
1677 .group = FIO_OPT_G_INVALID,
1678 },
67a1000f
JA		 1679 {
1680 .name = "offset",
e8b0e958 1681 .lname = "IO offset",
67a1000f
JA		 1682 .alias = "fileoffset",
1683 .type = FIO_OPT_STR_VAL,
1684 .off1 = td_var_offset(start_offset),
1685 .help = "Start IO from this offset",
1686 .def = "0",
20eb06bd 1687 .interval = 1024 * 1024,
e8b0e958
JA		 1688 .category = FIO_OPT_C_IO,
1689 .group = FIO_OPT_G_INVALID,
67a1000f 1690 },
2d7cd868
JA		 1691 {
1692 .name = "offset_increment",
e8b0e958 1693 .lname = "IO offset increment",
2d7cd868
JA		 1694 .type = FIO_OPT_STR_VAL,
1695 .off1 = td_var_offset(offset_increment),
1696 .help = "What is the increment from one offset to the next",
1697 .parent = "offset",
d71c154c 1698 .hide = 1,
2d7cd868 1699 .def = "0",
20eb06bd 1700 .interval = 1024 * 1024,
e8b0e958
JA		 1701 .category = FIO_OPT_C_IO,
1702 .group = FIO_OPT_G_INVALID,
2d7cd868 1703 },
ddf24e42
JA		 1704 {
1705 .name = "number_ios",
1706 .lname = "Number of IOs to perform",
1707 .type = FIO_OPT_STR_VAL,
1708 .off1 = td_var_offset(number_ios),
be3fec7d 1709 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1710 .def = "0",
1711 .category = FIO_OPT_C_IO,
1712 .group = FIO_OPT_G_INVALID,
1713 },
214e1eca
JA		 1714 {
1715 .name = "bs",
e8b0e958 1716 .lname = "Block size",
d3aad8f2 1717 .alias = "blocksize",
e01b22b8 1718 .type = FIO_OPT_INT,
214e1eca
JA		 1719 .off1 = td_var_offset(bs[DDIR_READ]),
1720 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1721 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1722 .minval = 1,
214e1eca
JA		 1723 .help = "Block size unit",
1724 .def = "4k",
67a1000f 1725 .parent = "rw",
d71c154c 1726 .hide = 1,
20eb06bd 1727 .interval = 512,
e8b0e958
JA		 1728 .category = FIO_OPT_C_IO,
1729 .group = FIO_OPT_G_INVALID,
214e1eca 1730 },
2b7a01d0
JA		 1731 {
1732 .name = "ba",
e8b0e958 1733 .lname = "Block size align",
2b7a01d0 1734 .alias = "blockalign",
e01b22b8 1735 .type = FIO_OPT_INT,
2b7a01d0
JA		 1736 .off1 = td_var_offset(ba[DDIR_READ]),
1737 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1738 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1739 .minval = 1,
1740 .help = "IO block offset alignment",
1741 .parent = "rw",
d71c154c 1742 .hide = 1,
20eb06bd 1743 .interval = 512,
e8b0e958
JA		 1744 .category = FIO_OPT_C_IO,
1745 .group = FIO_OPT_G_INVALID,
2b7a01d0 1746 },
214e1eca
JA		 1747 {
1748 .name = "bsrange",
e8b0e958 1749 .lname = "Block size range",
d3aad8f2 1750 .alias = "blocksize_range",
214e1eca
JA		 1751 .type = FIO_OPT_RANGE,
1752 .off1 = td_var_offset(min_bs[DDIR_READ]),
1753 .off2 = td_var_offset(max_bs[DDIR_READ]),
1754 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1755 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1756 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1757 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1758 .minval = 1,
214e1eca 1759 .help = "Set block size range (in more detail than bs)",
67a1000f 1760 .parent = "rw",
d71c154c 1761 .hide = 1,
20eb06bd 1762 .interval = 4096,
e8b0e958
JA		 1763 .category = FIO_OPT_C_IO,
1764 .group = FIO_OPT_G_INVALID,
214e1eca 1765 },
564ca972
JA		 1766 {
1767 .name = "bssplit",
e8b0e958 1768 .lname = "Block size split",
564ca972
JA		 1769 .type = FIO_OPT_STR,
1770 .cb = str_bssplit_cb,
a8523a6a 1771 .off1 = td_var_offset(bssplit),
564ca972
JA		 1772 .help = "Set a specific mix of block sizes",
1773 .parent = "rw",
d71c154c 1774 .hide = 1,
e8b0e958
JA		 1775 .category = FIO_OPT_C_IO,
1776 .group = FIO_OPT_G_INVALID,
564ca972 1777 },
214e1eca
JA		 1778 {
1779 .name = "bs_unaligned",
e8b0e958 1780 .lname = "Block size unaligned",
d3aad8f2 1781 .alias = "blocksize_unaligned",
214e1eca
JA		 1782 .type = FIO_OPT_STR_SET,
1783 .off1 = td_var_offset(bs_unaligned),
1784 .help = "Don't sector align IO buffer sizes",
67a1000f 1785 .parent = "rw",
d71c154c 1786 .hide = 1,
e8b0e958
JA		 1787 .category = FIO_OPT_C_IO,
1788 .group = FIO_OPT_G_INVALID,
214e1eca 1789 },
6aca9b3d
JA		 1790 {
1791 .name = "bs_is_seq_rand",
1792 .lname = "Block size division is seq/random (not read/write)",
1793 .type = FIO_OPT_BOOL,
1794 .off1 = td_var_offset(bs_is_seq_rand),
86d59660 1795 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 1796 .def = "0",
1797 .parent = "blocksize",
1798 .category = FIO_OPT_C_IO,
1799 .group = FIO_OPT_G_INVALID,
1800 },
214e1eca
JA		 1801 {
1802 .name = "randrepeat",
e8b0e958 1803 .lname = "Random repeatable",
214e1eca
JA		 1804 .type = FIO_OPT_BOOL,
1805 .off1 = td_var_offset(rand_repeatable),
1806 .help = "Use repeatable random IO pattern",
1807 .def = "1",
67a1000f 1808 .parent = "rw",
d71c154c 1809 .hide = 1,
e8b0e958 1810 .category = FIO_OPT_C_IO,
3ceb458f 1811 .group = FIO_OPT_G_RANDOM,
214e1eca 1812 },
04778baf
JA		 1813 {
1814 .name = "randseed",
1815 .lname = "The random generator seed",
363cffa7 1816 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1817 .off1 = td_var_offset(rand_seed),
1818 .help = "Set the random generator seed value",
1819 .parent = "rw",
1820 .category = FIO_OPT_C_IO,
1821 .group = FIO_OPT_G_RANDOM,
1822 },
2615cc4b
JA		 1823 {
1824 .name = "use_os_rand",
e8b0e958 1825 .lname = "Use OS random",
54a21917
JA		 1826 .type = FIO_OPT_DEPRECATED,
1827 .off1 = td_var_offset(dep_use_os_rand),
e8b0e958 1828 .category = FIO_OPT_C_IO,
3ceb458f 1829 .group = FIO_OPT_G_RANDOM,
2615cc4b 1830 },
214e1eca
JA		 1831 {
1832 .name = "norandommap",
e8b0e958 1833 .lname = "No randommap",
214e1eca
JA		 1834 .type = FIO_OPT_STR_SET,
1835 .off1 = td_var_offset(norandommap),
1836 .help = "Accept potential duplicate random blocks",
67a1000f 1837 .parent = "rw",
d71c154c 1838 .hide = 1,
b2452a43 1839 .hide_on_set = 1,
e8b0e958 1840 .category = FIO_OPT_C_IO,
3ceb458f 1841 .group = FIO_OPT_G_RANDOM,
214e1eca 1842 },
2b386d25
JA		 1843 {
1844 .name = "softrandommap",
e8b0e958 1845 .lname = "Soft randommap",
2b386d25
JA		 1846 .type = FIO_OPT_BOOL,
1847 .off1 = td_var_offset(softrandommap),
f66ab3c8 1848 .help = "Set norandommap if randommap allocation fails",
2b386d25 1849 .parent = "norandommap",
d71c154c 1850 .hide = 1,
2b386d25 1851 .def = "0",
e8b0e958 1852 .category = FIO_OPT_C_IO,
3ceb458f 1853 .group = FIO_OPT_G_RANDOM,
2b386d25 1854 },
8055e41d
JA		 1855 {
1856 .name = "random_generator",
1857 .type = FIO_OPT_STR,
1858 .off1 = td_var_offset(random_generator),
1859 .help = "Type of random number generator to use",
1860 .def = "tausworthe",
1861 .posval = {
1862 { .ival = "tausworthe",
1863 .oval = FIO_RAND_GEN_TAUSWORTHE,
1864 .help = "Strong Tausworthe generator",
1865 },
1866 { .ival = "lfsr",
1867 .oval = FIO_RAND_GEN_LFSR,
1868 .help = "Variable length LFSR",
1869 },
1870 },
48107598
JA		 1871 .category = FIO_OPT_C_IO,
1872 .group = FIO_OPT_G_RANDOM,
8055e41d 1873 },
e25839d4
JA		 1874 {
1875 .name = "random_distribution",
1876 .type = FIO_OPT_STR,
1877 .off1 = td_var_offset(random_distribution),
1878 .cb = str_random_distribution_cb,
1879 .help = "Random offset distribution generator",
1880 .def = "random",
1881 .posval = {
1882 { .ival = "random",
1883 .oval = FIO_RAND_DIST_RANDOM,
1884 .help = "Completely random",
1885 },
1886 { .ival = "zipf",
1887 .oval = FIO_RAND_DIST_ZIPF,
1888 .help = "Zipf distribution",
1889 },
925fee33
JA		 1890 { .ival = "pareto",
1891 .oval = FIO_RAND_DIST_PARETO,
1892 .help = "Pareto distribution",
1893 },
56d9fa4b
JA		 1894 { .ival = "normal",
1895 .oval = FIO_RAND_DIST_GAUSS,
1896 .help = "Normal (gaussian) distribution",
1897 },
e25839d4 1898 },
48107598
JA		 1899 .category = FIO_OPT_C_IO,
1900 .group = FIO_OPT_G_RANDOM,
e25839d4 1901 },
211c9b89
JA		 1902 {
1903 .name = "percentage_random",
1904 .lname = "Percentage Random",
1905 .type = FIO_OPT_INT,
d9472271
JA		 1906 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1907 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1908 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1909 .maxval = 100,
1910 .help = "Percentage of seq/random mix that should be random",
d9472271 1911 .def = "100,100,100",
211c9b89
JA		 1912 .interval = 5,
1913 .inverse = "percentage_sequential",
1914 .category = FIO_OPT_C_IO,
1915 .group = FIO_OPT_G_RANDOM,
1916 },
1917 {
1918 .name = "percentage_sequential",
1919 .lname = "Percentage Sequential",
d9472271 1920 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1921 .category = FIO_OPT_C_IO,
1922 .group = FIO_OPT_G_RANDOM,
1923 },
56e2a5fc
CE		 1924 {
1925 .name = "allrandrepeat",
1926 .type = FIO_OPT_BOOL,
1927 .off1 = td_var_offset(allrand_repeatable),
1928 .help = "Use repeatable random numbers for everything",
1929 .def = "0",
a869d9c6
JA		 1930 .category = FIO_OPT_C_IO,
1931 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1932 },
214e1eca
JA		 1933 {
1934 .name = "nrfiles",
e8b0e958 1935 .lname = "Number of files",
d7c8be03 1936 .alias = "nr_files",
214e1eca
JA		 1937 .type = FIO_OPT_INT,
1938 .off1 = td_var_offset(nr_files),
1939 .help = "Split job workload between this number of files",
1940 .def = "1",
20eb06bd 1941 .interval = 1,
e8b0e958
JA		 1942 .category = FIO_OPT_C_FILE,
1943 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1944 },
1945 {
1946 .name = "openfiles",
e8b0e958 1947 .lname = "Number of open files",
214e1eca
JA		 1948 .type = FIO_OPT_INT,
1949 .off1 = td_var_offset(open_files),
1950 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1951 .category = FIO_OPT_C_FILE,
1952 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1953 },
1954 {
1955 .name = "file_service_type",
e8b0e958 1956 .lname = "File service type",
214e1eca
JA		 1957 .type = FIO_OPT_STR,
1958 .cb = str_fst_cb,
1959 .off1 = td_var_offset(file_service_type),
1960 .help = "How to select which file to service next",
1961 .def = "roundrobin",
e8b0e958
JA		 1962 .category = FIO_OPT_C_FILE,
1963 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1964 .posval = {
1965 { .ival = "random",
1966 .oval = FIO_FSERVICE_RANDOM,
1967 .help = "Choose a file at random",
1968 },
1969 { .ival = "roundrobin",
1970 .oval = FIO_FSERVICE_RR,
1971 .help = "Round robin select files",
1972 },
a086c257
JA		 1973 { .ival = "sequential",
1974 .oval = FIO_FSERVICE_SEQ,
1975 .help = "Finish one file before moving to the next",
1976 },
214e1eca 1977 },
67a1000f 1978 .parent = "nrfiles",
d71c154c 1979 .hide = 1,
67a1000f 1980 },
97ac992c 1981#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 1982 {
1983 .name = "fallocate",
e8b0e958 1984 .lname = "Fallocate",
a596f047
EG		 1985 .type = FIO_OPT_STR,
1986 .off1 = td_var_offset(fallocate_mode),
1987 .help = "Whether pre-allocation is performed when laying out files",
1988 .def = "posix",
e8b0e958
JA		 1989 .category = FIO_OPT_C_FILE,
1990 .group = FIO_OPT_G_INVALID,
a596f047
EG		 1991 .posval = {
1992 { .ival = "none",
1993 .oval = FIO_FALLOCATE_NONE,
1994 .help = "Do not pre-allocate space",
1995 },
1996 { .ival = "posix",
1997 .oval = FIO_FALLOCATE_POSIX,
1998 .help = "Use posix_fallocate()",
1999 },
97ac992c 2000#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2001 { .ival = "keep",
2002 .oval = FIO_FALLOCATE_KEEP_SIZE,
2003 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2004 },
7bc8c2cf 2005#endif
a596f047
EG		 2006 /* Compatibility with former boolean values */
2007 { .ival = "0",
2008 .oval = FIO_FALLOCATE_NONE,
2009 .help = "Alias for 'none'",
2010 },
2011 { .ival = "1",
2012 .oval = FIO_FALLOCATE_POSIX,
2013 .help = "Alias for 'posix'",
2014 },
2015 },
2016 },
97ac992c 2017#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2018 {
2019 .name = "fadvise_hint",
e8b0e958 2020 .lname = "Fadvise hint",
67a1000f
JA		 2021 .type = FIO_OPT_BOOL,
2022 .off1 = td_var_offset(fadvise_hint),
2023 .help = "Use fadvise() to advise the kernel on IO pattern",
2024 .def = "1",
e8b0e958
JA		 2025 .category = FIO_OPT_C_FILE,
2026 .group = FIO_OPT_G_INVALID,
214e1eca 2027 },
37659335
JA		 2028#ifdef FIO_HAVE_STREAMID
2029 {
2030 .name = "fadvise_stream",
2031 .lname = "Fadvise stream",
2032 .type = FIO_OPT_INT,
2033 .off1 = td_var_offset(fadvise_stream),
2034 .help = "Use fadvise() to set stream ID",
2035 .category = FIO_OPT_C_FILE,
2036 .group = FIO_OPT_G_INVALID,
2037 },
2038#endif
214e1eca
JA		 2039 {
2040 .name = "fsync",
e8b0e958 2041 .lname = "Fsync",
214e1eca
JA		 2042 .type = FIO_OPT_INT,
2043 .off1 = td_var_offset(fsync_blocks),
2044 .help = "Issue fsync for writes every given number of blocks",
2045 .def = "0",
20eb06bd 2046 .interval = 1,
e8b0e958
JA		 2047 .category = FIO_OPT_C_FILE,
2048 .group = FIO_OPT_G_INVALID,
214e1eca 2049 },
5f9099ea
JA		 2050 {
2051 .name = "fdatasync",
e8b0e958 2052 .lname = "Fdatasync",
5f9099ea
JA		 2053 .type = FIO_OPT_INT,
2054 .off1 = td_var_offset(fdatasync_blocks),
2055 .help = "Issue fdatasync for writes every given number of blocks",
2056 .def = "0",
20eb06bd 2057 .interval = 1,
e8b0e958
JA		 2058 .category = FIO_OPT_C_FILE,
2059 .group = FIO_OPT_G_INVALID,
5f9099ea 2060 },
1ef2b6be
JA		 2061 {
2062 .name = "write_barrier",
e8b0e958 2063 .lname = "Write barrier",
1ef2b6be
JA		 2064 .type = FIO_OPT_INT,
2065 .off1 = td_var_offset(barrier_blocks),
2066 .help = "Make every Nth write a barrier write",
2067 .def = "0",
20eb06bd 2068 .interval = 1,
e8b0e958
JA		 2069 .category = FIO_OPT_C_IO,
2070 .group = FIO_OPT_G_INVALID,
1ef2b6be 2071 },
67bf9823 2072#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2073 {
2074 .name = "sync_file_range",
e8b0e958 2075 .lname = "Sync file range",
44f29692
JA		 2076 .posval = {
2077 { .ival = "wait_before",
2078 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2079 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2080 .orval = 1,
44f29692
JA		 2081 },
2082 { .ival = "write",
2083 .oval = SYNC_FILE_RANGE_WRITE,
2084 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2085 .orval = 1,
44f29692
JA		 2086 },
2087 {
2088 .ival = "wait_after",
2089 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2090 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2091 .orval = 1,
44f29692
JA		 2092 },
2093 },
3843deb3 2094 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2095 .cb = str_sfr_cb,
2096 .off1 = td_var_offset(sync_file_range),
2097 .help = "Use sync_file_range()",
e8b0e958
JA		 2098 .category = FIO_OPT_C_FILE,
2099 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2100 },
2101#endif
214e1eca
JA		 2102 {
2103 .name = "direct",
e8b0e958 2104 .lname = "Direct I/O",
214e1eca
JA		 2105 .type = FIO_OPT_BOOL,
2106 .off1 = td_var_offset(odirect),
2107 .help = "Use O_DIRECT IO (negates buffered)",
2108 .def = "0",
a01a1bc5 2109 .inverse = "buffered",
e8b0e958 2110 .category = FIO_OPT_C_IO,
3ceb458f 2111 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2112 },
d01612f3
CM		 2113 {
2114 .name = "atomic",
2115 .lname = "Atomic I/O",
2116 .type = FIO_OPT_BOOL,
2117 .off1 = td_var_offset(oatomic),
2118 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2119 .def = "0",
2120 .category = FIO_OPT_C_IO,
2121 .group = FIO_OPT_G_IO_TYPE,
2122 },
214e1eca
JA		 2123 {
2124 .name = "buffered",
e8b0e958 2125 .lname = "Buffered I/O",
214e1eca
JA		 2126 .type = FIO_OPT_BOOL,
2127 .off1 = td_var_offset(odirect),
2128 .neg = 1,
2129 .help = "Use buffered IO (negates direct)",
2130 .def = "1",
a01a1bc5 2131 .inverse = "direct",
e8b0e958 2132 .category = FIO_OPT_C_IO,
3ceb458f 2133 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2134 },
2135 {
2136 .name = "overwrite",
e8b0e958 2137 .lname = "Overwrite",
214e1eca
JA		 2138 .type = FIO_OPT_BOOL,
2139 .off1 = td_var_offset(overwrite),
2140 .help = "When writing, set whether to overwrite current data",
2141 .def = "0",
e8b0e958
JA		 2142 .category = FIO_OPT_C_FILE,
2143 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2144 },
2145 {
2146 .name = "loops",
e8b0e958 2147 .lname = "Loops",
214e1eca
JA		 2148 .type = FIO_OPT_INT,
2149 .off1 = td_var_offset(loops),
2150 .help = "Number of times to run the job",
2151 .def = "1",
20eb06bd 2152 .interval = 1,
e8b0e958 2153 .category = FIO_OPT_C_GENERAL,
a1f6afec 2154 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2155 },
2156 {
2157 .name = "numjobs",
e8b0e958 2158 .lname = "Number of jobs",
214e1eca
JA		 2159 .type = FIO_OPT_INT,
2160 .off1 = td_var_offset(numjobs),
2161 .help = "Duplicate this job this many times",
2162 .def = "1",
20eb06bd 2163 .interval = 1,
e8b0e958 2164 .category = FIO_OPT_C_GENERAL,
a1f6afec 2165 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2166 },
2167 {
2168 .name = "startdelay",
e8b0e958 2169 .lname = "Start delay",
a5737c93 2170 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2171 .off1 = td_var_offset(start_delay),
23ed19b0 2172 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2173 .help = "Only start job when this period has passed",
2174 .def = "0",
0de5b26f 2175 .is_seconds = 1,
88038bc7 2176 .is_time = 1,
e8b0e958 2177 .category = FIO_OPT_C_GENERAL,
a1f6afec 2178 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2179 },
2180 {
2181 .name = "runtime",
e8b0e958 2182 .lname = "Runtime",
214e1eca
JA		 2183 .alias = "timeout",
2184 .type = FIO_OPT_STR_VAL_TIME,
2185 .off1 = td_var_offset(timeout),
2186 .help = "Stop workload when this amount of time has passed",
2187 .def = "0",
0de5b26f 2188 .is_seconds = 1,
88038bc7 2189 .is_time = 1,
e8b0e958 2190 .category = FIO_OPT_C_GENERAL,
a1f6afec 2191 .group = FIO_OPT_G_RUNTIME,
214e1eca 2192 },
cf4464ca
JA		 2193 {
2194 .name = "time_based",
e8b0e958 2195 .lname = "Time based",
cf4464ca
JA		 2196 .type = FIO_OPT_STR_SET,
2197 .off1 = td_var_offset(time_based),
2198 .help = "Keep running until runtime/timeout is met",
e8b0e958 2199 .category = FIO_OPT_C_GENERAL,
a1f6afec 2200 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2201 },
62167762
JC		 2202 {
2203 .name = "verify_only",
2204 .lname = "Verify only",
2205 .type = FIO_OPT_STR_SET,
2206 .off1 = td_var_offset(verify_only),
2207 .help = "Verifies previously written data is still valid",
2208 .category = FIO_OPT_C_GENERAL,
2209 .group = FIO_OPT_G_RUNTIME,
2210 },
721938ae
JA		 2211 {
2212 .name = "ramp_time",
e8b0e958 2213 .lname = "Ramp time",
721938ae
JA		 2214 .type = FIO_OPT_STR_VAL_TIME,
2215 .off1 = td_var_offset(ramp_time),
2216 .help = "Ramp up time before measuring performance",
0de5b26f 2217 .is_seconds = 1,
88038bc7 2218 .is_time = 1,
e8b0e958 2219 .category = FIO_OPT_C_GENERAL,
a1f6afec 2220 .group = FIO_OPT_G_RUNTIME,
721938ae 2221 },
c223da83
JA		 2222 {
2223 .name = "clocksource",
e8b0e958 2224 .lname = "Clock source",
c223da83
JA		 2225 .type = FIO_OPT_STR,
2226 .cb = fio_clock_source_cb,
2227 .off1 = td_var_offset(clocksource),
2228 .help = "What type of timing source to use",
e8b0e958 2229 .category = FIO_OPT_C_GENERAL,
10860056 2230 .group = FIO_OPT_G_CLOCK,
c223da83 2231 .posval = {
67bf9823 2232#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2233 { .ival = "gettimeofday",
2234 .oval = CS_GTOD,
2235 .help = "Use gettimeofday(2) for timing",
2236 },
67bf9823
JA		 2237#endif
2238#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2239 { .ival = "clock_gettime",
2240 .oval = CS_CGETTIME,
2241 .help = "Use clock_gettime(2) for timing",
2242 },
67bf9823 2243#endif
c223da83
JA		 2244#ifdef ARCH_HAVE_CPU_CLOCK
2245 { .ival = "cpu",
2246 .oval = CS_CPUCLOCK,
2247 .help = "Use CPU private clock",
2248 },
2249#endif
2250 },
2251 },
214e1eca
JA		 2252 {
2253 .name = "mem",
d3aad8f2 2254 .alias = "iomem",
e8b0e958 2255 .lname = "I/O Memory",
214e1eca
JA		 2256 .type = FIO_OPT_STR,
2257 .cb = str_mem_cb,
2258 .off1 = td_var_offset(mem_type),
2259 .help = "Backing type for IO buffers",
2260 .def = "malloc",
e8b0e958
JA		 2261 .category = FIO_OPT_C_IO,
2262 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2263 .posval = {
2264 { .ival = "malloc",
2265 .oval = MEM_MALLOC,
2266 .help = "Use malloc(3) for IO buffers",
2267 },
c8931876 2268#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2269 { .ival = "shm",
2270 .oval = MEM_SHM,
2271 .help = "Use shared memory segments for IO buffers",
2272 },
214e1eca
JA		 2273#ifdef FIO_HAVE_HUGETLB
2274 { .ival = "shmhuge",
2275 .oval = MEM_SHMHUGE,
2276 .help = "Like shm, but use huge pages",
2277 },
c8931876 2278#endif
b370e46a 2279#endif
37c8cdfe
JA		 2280 { .ival = "mmap",
2281 .oval = MEM_MMAP,
2282 .help = "Use mmap(2) (file or anon) for IO buffers",
2283 },
214e1eca
JA		 2284#ifdef FIO_HAVE_HUGETLB
2285 { .ival = "mmaphuge",
2286 .oval = MEM_MMAPHUGE,
2287 .help = "Like mmap, but use huge pages",
2288 },
2289#endif
2290 },
2291 },
d529ee19
JA		 2292 {
2293 .name = "iomem_align",
2294 .alias = "mem_align",
e8b0e958 2295 .lname = "I/O memory alignment",
d529ee19
JA		 2296 .type = FIO_OPT_INT,
2297 .off1 = td_var_offset(mem_align),
2298 .minval = 0,
2299 .help = "IO memory buffer offset alignment",
2300 .def = "0",
2301 .parent = "iomem",
d71c154c 2302 .hide = 1,
e8b0e958
JA		 2303 .category = FIO_OPT_C_IO,
2304 .group = FIO_OPT_G_INVALID,
d529ee19 2305 },
214e1eca
JA		 2306 {
2307 .name = "verify",
e8b0e958 2308 .lname = "Verify",
214e1eca
JA		 2309 .type = FIO_OPT_STR,
2310 .off1 = td_var_offset(verify),
2311 .help = "Verify data written",
2312 .def = "0",
e8b0e958 2313 .category = FIO_OPT_C_IO,
3ceb458f 2314 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2315 .posval = {
2316 { .ival = "0",
2317 .oval = VERIFY_NONE,
2318 .help = "Don't do IO verification",
2319 },
fcca4b58
JA		 2320 { .ival = "md5",
2321 .oval = VERIFY_MD5,
2322 .help = "Use md5 checksums for verification",
2323 },
d77a7af3
JA		 2324 { .ival = "crc64",
2325 .oval = VERIFY_CRC64,
2326 .help = "Use crc64 checksums for verification",
2327 },
214e1eca
JA		 2328 { .ival = "crc32",
2329 .oval = VERIFY_CRC32,
2330 .help = "Use crc32 checksums for verification",
2331 },
af497e6a 2332 { .ival = "crc32c-intel",
e3aaafc4
JA		 2333 .oval = VERIFY_CRC32C,
2334 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2335 },
bac39e0e
JA		 2336 { .ival = "crc32c",
2337 .oval = VERIFY_CRC32C,
e3aaafc4 2338 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2339 },
969f7ed3
JA		 2340 { .ival = "crc16",
2341 .oval = VERIFY_CRC16,
2342 .help = "Use crc16 checksums for verification",
2343 },
1e154bdb
JA		 2344 { .ival = "crc7",
2345 .oval = VERIFY_CRC7,
2346 .help = "Use crc7 checksums for verification",
2347 },
7c353ceb
JA		 2348 { .ival = "sha1",
2349 .oval = VERIFY_SHA1,
2350 .help = "Use sha1 checksums for verification",
2351 },
cd14cc10
JA		 2352 { .ival = "sha256",
2353 .oval = VERIFY_SHA256,
2354 .help = "Use sha256 checksums for verification",
2355 },
2356 { .ival = "sha512",
2357 .oval = VERIFY_SHA512,
2358 .help = "Use sha512 checksums for verification",
2359 },
844ea602
JA		 2360 { .ival = "xxhash",
2361 .oval = VERIFY_XXHASH,
2362 .help = "Use xxhash checksums for verification",
2363 },
7437ee87
SL		 2364 { .ival = "meta",
2365 .oval = VERIFY_META,
2366 .help = "Use io information",
2367 },
36690c9b
JA		 2368 {
2369 .ival = "null",
2370 .oval = VERIFY_NULL,
2371 .help = "Pretend to verify",
2372 },
214e1eca
JA		 2373 },
2374 },
005c565a
JA		 2375 {
2376 .name = "do_verify",
e8b0e958 2377 .lname = "Perform verify step",
68e1f29a 2378 .type = FIO_OPT_BOOL,
005c565a
JA		 2379 .off1 = td_var_offset(do_verify),
2380 .help = "Run verification stage after write",
2381 .def = "1",
2382 .parent = "verify",
d71c154c 2383 .hide = 1,
e8b0e958
JA		 2384 .category = FIO_OPT_C_IO,
2385 .group = FIO_OPT_G_VERIFY,
005c565a 2386 },
160b966d
JA		 2387 {
2388 .name = "verifysort",
e8b0e958 2389 .lname = "Verify sort",
160b966d
JA		 2390 .type = FIO_OPT_BOOL,
2391 .off1 = td_var_offset(verifysort),
2392 .help = "Sort written verify blocks for read back",
2393 .def = "1",
c83f2df1 2394 .parent = "verify",
d71c154c 2395 .hide = 1,
e8b0e958
JA		 2396 .category = FIO_OPT_C_IO,
2397 .group = FIO_OPT_G_VERIFY,
160b966d 2398 },
1ae83d45
JA		 2399 {
2400 .name = "verifysort_nr",
2401 .type = FIO_OPT_INT,
2402 .off1 = td_var_offset(verifysort_nr),
2403 .help = "Pre-load and sort verify blocks for a read workload",
2404 .minval = 0,
2405 .maxval = 131072,
2406 .def = "1024",
2407 .parent = "verify",
836fcc0f
JA		 2408 .category = FIO_OPT_C_IO,
2409 .group = FIO_OPT_G_VERIFY,
1ae83d45 2410 },
3f9f4e26 2411 {
a59e170d 2412 .name = "verify_interval",
e8b0e958 2413 .lname = "Verify interval",
e01b22b8 2414 .type = FIO_OPT_INT,
a59e170d 2415 .off1 = td_var_offset(verify_interval),
819a9680 2416 .minval = 2 * sizeof(struct verify_header),
a59e170d 2417 .help = "Store verify buffer header every N bytes",
afdf9352 2418 .parent = "verify",
d71c154c 2419 .hide = 1,
20eb06bd 2420 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2421 .category = FIO_OPT_C_IO,
2422 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2423 },
546a9142 2424 {
a59e170d 2425 .name = "verify_offset",
e8b0e958 2426 .lname = "Verify offset",
e01b22b8 2427 .type = FIO_OPT_INT,
a59e170d 2428 .help = "Offset verify header location by N bytes",
203160d5
JA		 2429 .off1 = td_var_offset(verify_offset),
2430 .minval = sizeof(struct verify_header),
afdf9352 2431 .parent = "verify",
d71c154c 2432 .hide = 1,
e8b0e958
JA		 2433 .category = FIO_OPT_C_IO,
2434 .group = FIO_OPT_G_VERIFY,
546a9142 2435 },
e28218f3
SL		 2436 {
2437 .name = "verify_pattern",
e8b0e958 2438 .lname = "Verify pattern",
0e92f873 2439 .type = FIO_OPT_STR,
e28218f3 2440 .cb = str_verify_pattern_cb,
a8523a6a 2441 .off1 = td_var_offset(verify_pattern),
e28218f3
SL		 2442 .help = "Fill pattern for IO buffers",
2443 .parent = "verify",
d71c154c 2444 .hide = 1,
e8b0e958
JA		 2445 .category = FIO_OPT_C_IO,
2446 .group = FIO_OPT_G_VERIFY,
e28218f3 2447 },
a12a3b4d
JA		 2448 {
2449 .name = "verify_fatal",
e8b0e958 2450 .lname = "Verify fatal",
68e1f29a 2451 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2452 .off1 = td_var_offset(verify_fatal),
2453 .def = "0",
2454 .help = "Exit on a single verify failure, don't continue",
2455 .parent = "verify",
d71c154c 2456 .hide = 1,
e8b0e958
JA		 2457 .category = FIO_OPT_C_IO,
2458 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2459 },
b463e936
JA		 2460 {
2461 .name = "verify_dump",
e8b0e958 2462 .lname = "Verify dump",
b463e936
JA		 2463 .type = FIO_OPT_BOOL,
2464 .off1 = td_var_offset(verify_dump),
ef71e317 2465 .def = "0",
b463e936
JA		 2466 .help = "Dump contents of good and bad blocks on failure",
2467 .parent = "verify",
d71c154c 2468 .hide = 1,
e8b0e958
JA		 2469 .category = FIO_OPT_C_IO,
2470 .group = FIO_OPT_G_VERIFY,
b463e936 2471 },
e8462bd8
JA		 2472 {
2473 .name = "verify_async",
e8b0e958 2474 .lname = "Verify asynchronously",
e8462bd8
JA		 2475 .type = FIO_OPT_INT,
2476 .off1 = td_var_offset(verify_async),
2477 .def = "0",
2478 .help = "Number of async verifier threads to use",
2479 .parent = "verify",
d71c154c 2480 .hide = 1,
e8b0e958
JA		 2481 .category = FIO_OPT_C_IO,
2482 .group = FIO_OPT_G_VERIFY,
e8462bd8 2483 },
9e144189
JA		 2484 {
2485 .name = "verify_backlog",
e8b0e958 2486 .lname = "Verify backlog",
9e144189
JA		 2487 .type = FIO_OPT_STR_VAL,
2488 .off1 = td_var_offset(verify_backlog),
2489 .help = "Verify after this number of blocks are written",
2490 .parent = "verify",
d71c154c 2491 .hide = 1,
e8b0e958
JA		 2492 .category = FIO_OPT_C_IO,
2493 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2494 },
2495 {
2496 .name = "verify_backlog_batch",
e8b0e958 2497 .lname = "Verify backlog batch",
9e144189
JA		 2498 .type = FIO_OPT_INT,
2499 .off1 = td_var_offset(verify_batch),
2500 .help = "Verify this number of IO blocks",
0d29de83 2501 .parent = "verify",
d71c154c 2502 .hide = 1,
e8b0e958
JA		 2503 .category = FIO_OPT_C_IO,
2504 .group = FIO_OPT_G_VERIFY,
9e144189 2505 },
e8462bd8
JA		 2506#ifdef FIO_HAVE_CPU_AFFINITY
2507 {
2508 .name = "verify_async_cpus",
e8b0e958 2509 .lname = "Async verify CPUs",
e8462bd8
JA		 2510 .type = FIO_OPT_STR,
2511 .cb = str_verify_cpus_allowed_cb,
a8523a6a 2512 .off1 = td_var_offset(verify_cpumask),
e8462bd8
JA		 2513 .help = "Set CPUs allowed for async verify threads",
2514 .parent = "verify_async",
d71c154c 2515 .hide = 1,
e8b0e958
JA		 2516 .category = FIO_OPT_C_IO,
2517 .group = FIO_OPT_G_VERIFY,
e8462bd8 2518 },
0d29de83 2519#endif
51aa2da8
JA		 2520 {
2521 .name = "experimental_verify",
2522 .off1 = td_var_offset(experimental_verify),
2523 .type = FIO_OPT_BOOL,
b31eaac9 2524 .help = "Enable experimental verification",
ca09be4b
JA		 2525 .parent = "verify",
2526 .category = FIO_OPT_C_IO,
2527 .group = FIO_OPT_G_VERIFY,
2528 },
2529 {
2530 .name = "verify_state_load",
2531 .lname = "Load verify state",
2532 .off1 = td_var_offset(verify_state),
2533 .type = FIO_OPT_BOOL,
2534 .help = "Load verify termination state",
2535 .parent = "verify",
2536 .category = FIO_OPT_C_IO,
2537 .group = FIO_OPT_G_VERIFY,
2538 },
2539 {
2540 .name = "verify_state_save",
2541 .lname = "Save verify state",
2542 .off1 = td_var_offset(verify_state_save),
2543 .type = FIO_OPT_BOOL,
2544 .def = "1",
2545 .help = "Save verify state on termination",
2546 .parent = "verify",
836fcc0f
JA		 2547 .category = FIO_OPT_C_IO,
2548 .group = FIO_OPT_G_VERIFY,
51aa2da8 2549 },
0d29de83
JA		 2550#ifdef FIO_HAVE_TRIM
2551 {
2552 .name = "trim_percentage",
e8b0e958 2553 .lname = "Trim percentage",
0d29de83 2554 .type = FIO_OPT_INT,
203160d5 2555 .off1 = td_var_offset(trim_percentage),
20eb06bd 2556 .minval = 0,
0d29de83
JA		 2557 .maxval = 100,
2558 .help = "Number of verify blocks to discard/trim",
2559 .parent = "verify",
2560 .def = "0",
20eb06bd 2561 .interval = 1,
d71c154c 2562 .hide = 1,
e8b0e958
JA		 2563 .category = FIO_OPT_C_IO,
2564 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2565 },
2566 {
2567 .name = "trim_verify_zero",
e8b0e958 2568 .lname = "Verify trim zero",
20eb06bd 2569 .type = FIO_OPT_BOOL,
0d29de83
JA		 2570 .help = "Verify that trim/discarded blocks are returned as zeroes",
2571 .off1 = td_var_offset(trim_zero),
2572 .parent = "trim_percentage",
d71c154c 2573 .hide = 1,
0d29de83 2574 .def = "1",
e8b0e958
JA		 2575 .category = FIO_OPT_C_IO,
2576 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2577 },
2578 {
2579 .name = "trim_backlog",
e8b0e958 2580 .lname = "Trim backlog",
0d29de83
JA		 2581 .type = FIO_OPT_STR_VAL,
2582 .off1 = td_var_offset(trim_backlog),
2583 .help = "Trim after this number of blocks are written",
2584 .parent = "trim_percentage",
d71c154c 2585 .hide = 1,
20eb06bd 2586 .interval = 1,
e8b0e958
JA		 2587 .category = FIO_OPT_C_IO,
2588 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2589 },
2590 {
2591 .name = "trim_backlog_batch",
e8b0e958 2592 .lname = "Trim backlog batch",
0d29de83
JA		 2593 .type = FIO_OPT_INT,
2594 .off1 = td_var_offset(trim_batch),
2595 .help = "Trim this number of IO blocks",
2596 .parent = "trim_percentage",
d71c154c 2597 .hide = 1,
20eb06bd 2598 .interval = 1,
e8b0e958
JA		 2599 .category = FIO_OPT_C_IO,
2600 .group = FIO_OPT_G_TRIM,
0d29de83 2601 },
e8462bd8 2602#endif
214e1eca
JA		 2603 {
2604 .name = "write_iolog",
e8b0e958 2605 .lname = "Write I/O log",
214e1eca
JA		 2606 .type = FIO_OPT_STR_STORE,
2607 .off1 = td_var_offset(write_iolog_file),
2608 .help = "Store IO pattern to file",
e8b0e958
JA		 2609 .category = FIO_OPT_C_IO,
2610 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2611 },
2612 {
2613 .name = "read_iolog",
e8b0e958 2614 .lname = "Read I/O log",
214e1eca
JA		 2615 .type = FIO_OPT_STR_STORE,
2616 .off1 = td_var_offset(read_iolog_file),
2617 .help = "Playback IO pattern from file",
e8b0e958
JA		 2618 .category = FIO_OPT_C_IO,
2619 .group = FIO_OPT_G_IOLOG,
214e1eca 2620 },
64bbb865
DN		 2621 {
2622 .name = "replay_no_stall",
e8b0e958 2623 .lname = "Don't stall on replay",
20eb06bd 2624 .type = FIO_OPT_BOOL,
64bbb865
DN		 2625 .off1 = td_var_offset(no_stall),
2626 .def = "0",
87e7a972 2627 .parent = "read_iolog",
d71c154c 2628 .hide = 1,
64bbb865 2629 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2630 .category = FIO_OPT_C_IO,
2631 .group = FIO_OPT_G_IOLOG,
64bbb865 2632 },
d1c46c04
DN		 2633 {
2634 .name = "replay_redirect",
e8b0e958 2635 .lname = "Redirect device for replay",
d1c46c04
DN		 2636 .type = FIO_OPT_STR_STORE,
2637 .off1 = td_var_offset(replay_redirect),
2638 .parent = "read_iolog",
d71c154c 2639 .hide = 1,
d1c46c04 2640 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2641 .category = FIO_OPT_C_IO,
2642 .group = FIO_OPT_G_IOLOG,
d1c46c04 2643 },
214e1eca
JA		 2644 {
2645 .name = "exec_prerun",
e8b0e958 2646 .lname = "Pre-execute runnable",
214e1eca
JA		 2647 .type = FIO_OPT_STR_STORE,
2648 .off1 = td_var_offset(exec_prerun),
2649 .help = "Execute this file prior to running job",
e8b0e958
JA		 2650 .category = FIO_OPT_C_GENERAL,
2651 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2652 },
2653 {
2654 .name = "exec_postrun",
e8b0e958 2655 .lname = "Post-execute runnable",
214e1eca
JA		 2656 .type = FIO_OPT_STR_STORE,
2657 .off1 = td_var_offset(exec_postrun),
2658 .help = "Execute this file after running job",
e8b0e958
JA		 2659 .category = FIO_OPT_C_GENERAL,
2660 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2661 },
2662#ifdef FIO_HAVE_IOSCHED_SWITCH
2663 {
2664 .name = "ioscheduler",
e8b0e958 2665 .lname = "I/O scheduler",
214e1eca
JA		 2666 .type = FIO_OPT_STR_STORE,
2667 .off1 = td_var_offset(ioscheduler),
2668 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2669 .category = FIO_OPT_C_FILE,
2670 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2671 },
2672#endif
2673 {
2674 .name = "zonesize",
e8b0e958 2675 .lname = "Zone size",
214e1eca
JA		 2676 .type = FIO_OPT_STR_VAL,
2677 .off1 = td_var_offset(zone_size),
ed335855
SN		 2678 .help = "Amount of data to read per zone",
2679 .def = "0",
20eb06bd 2680 .interval = 1024 * 1024,
e8b0e958
JA		 2681 .category = FIO_OPT_C_IO,
2682 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2683 },
2684 {
2685 .name = "zonerange",
e8b0e958 2686 .lname = "Zone range",
ed335855
SN		 2687 .type = FIO_OPT_STR_VAL,
2688 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2689 .help = "Give size of an IO zone",
2690 .def = "0",
20eb06bd 2691 .interval = 1024 * 1024,
e8b0e958
JA		 2692 .category = FIO_OPT_C_IO,
2693 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2694 },
2695 {
2696 .name = "zoneskip",
e8b0e958 2697 .lname = "Zone skip",
214e1eca
JA		 2698 .type = FIO_OPT_STR_VAL,
2699 .off1 = td_var_offset(zone_skip),
2700 .help = "Space between IO zones",
2701 .def = "0",
20eb06bd 2702 .interval = 1024 * 1024,
e8b0e958
JA		 2703 .category = FIO_OPT_C_IO,
2704 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2705 },
2706 {
2707 .name = "lockmem",
e8b0e958 2708 .lname = "Lock memory",
214e1eca 2709 .type = FIO_OPT_STR_VAL,
1b79a070 2710 .off1 = td_var_offset(lockmem),
81c6b6cd 2711 .help = "Lock down this amount of memory (per worker)",
214e1eca 2712 .def = "0",
20eb06bd 2713 .interval = 1024 * 1024,
e8b0e958
JA		 2714 .category = FIO_OPT_C_GENERAL,
2715 .group = FIO_OPT_G_INVALID,
214e1eca 2716 },
214e1eca
JA		 2717 {
2718 .name = "rwmixread",
e8b0e958 2719 .lname = "Read/write mix read",
214e1eca 2720 .type = FIO_OPT_INT,
cb499fc4 2721 .cb = str_rwmix_read_cb,
a8523a6a 2722 .off1 = td_var_offset(rwmix[DDIR_READ]),
214e1eca
JA		 2723 .maxval = 100,
2724 .help = "Percentage of mixed workload that is reads",
2725 .def = "50",
20eb06bd 2726 .interval = 5,
90265353 2727 .inverse = "rwmixwrite",
e8b0e958
JA		 2728 .category = FIO_OPT_C_IO,
2729 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2730 },
2731 {
2732 .name = "rwmixwrite",
e8b0e958 2733 .lname = "Read/write mix write",
214e1eca 2734 .type = FIO_OPT_INT,
cb499fc4 2735 .cb = str_rwmix_write_cb,
a8523a6a 2736 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
214e1eca
JA		 2737 .maxval = 100,
2738 .help = "Percentage of mixed workload that is writes",
2739 .def = "50",
20eb06bd 2740 .interval = 5,
90265353 2741 .inverse = "rwmixread",
e8b0e958
JA		 2742 .category = FIO_OPT_C_IO,
2743 .group = FIO_OPT_G_RWMIX,
214e1eca 2744 },
afdf9352
JA		 2745 {
2746 .name = "rwmixcycle",
e8b0e958 2747 .lname = "Read/write mix cycle",
15ca150e 2748 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2749 .category = FIO_OPT_C_IO,
2750 .group = FIO_OPT_G_RWMIX,
afdf9352 2751 },
214e1eca
JA		 2752 {
2753 .name = "nice",
e8b0e958 2754 .lname = "Nice",
214e1eca
JA		 2755 .type = FIO_OPT_INT,
2756 .off1 = td_var_offset(nice),
2757 .help = "Set job CPU nice value",
2758 .minval = -19,
2759 .maxval = 20,
2760 .def = "0",
20eb06bd 2761 .interval = 1,
e8b0e958 2762 .category = FIO_OPT_C_GENERAL,
10860056 2763 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2764 },
2765#ifdef FIO_HAVE_IOPRIO
2766 {
2767 .name = "prio",
e8b0e958 2768 .lname = "I/O nice priority",
214e1eca 2769 .type = FIO_OPT_INT,
28727df7 2770 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2771 .help = "Set job IO priority value",
2772 .minval = 0,
2773 .maxval = 7,
20eb06bd 2774 .interval = 1,
e8b0e958 2775 .category = FIO_OPT_C_GENERAL,
10860056 2776 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2777 },
2778 {
2779 .name = "prioclass",
e8b0e958 2780 .lname = "I/O nice priority class",
214e1eca 2781 .type = FIO_OPT_INT,
28727df7 2782 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2783 .help = "Set job IO priority class",
2784 .minval = 0,
2785 .maxval = 3,
20eb06bd 2786 .interval = 1,
e8b0e958 2787 .category = FIO_OPT_C_GENERAL,
10860056 2788 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2789 },
2790#endif
2791 {
2792 .name = "thinktime",
e8b0e958 2793 .lname = "Thinktime",
214e1eca
JA		 2794 .type = FIO_OPT_INT,
2795 .off1 = td_var_offset(thinktime),
2796 .help = "Idle time between IO buffers (usec)",
2797 .def = "0",
88038bc7 2798 .is_time = 1,
e8b0e958 2799 .category = FIO_OPT_C_IO,
3ceb458f 2800 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2801 },
2802 {
2803 .name = "thinktime_spin",
e8b0e958 2804 .lname = "Thinktime spin",
214e1eca
JA		 2805 .type = FIO_OPT_INT,
2806 .off1 = td_var_offset(thinktime_spin),
2807 .help = "Start think time by spinning this amount (usec)",
2808 .def = "0",
88038bc7 2809 .is_time = 1,
afdf9352 2810 .parent = "thinktime",
d71c154c 2811 .hide = 1,
e8b0e958 2812 .category = FIO_OPT_C_IO,
3ceb458f 2813 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2814 },
2815 {
2816 .name = "thinktime_blocks",
e8b0e958 2817 .lname = "Thinktime blocks",
214e1eca
JA		 2818 .type = FIO_OPT_INT,
2819 .off1 = td_var_offset(thinktime_blocks),
2820 .help = "IO buffer period between 'thinktime'",
2821 .def = "1",
afdf9352 2822 .parent = "thinktime",
d71c154c 2823 .hide = 1,
e8b0e958 2824 .category = FIO_OPT_C_IO,
3ceb458f 2825 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2826 },
2827 {
2828 .name = "rate",
e8b0e958 2829 .lname = "I/O rate",
e01b22b8 2830 .type = FIO_OPT_INT,
6eaf09d6
SL		 2831 .off1 = td_var_offset(rate[DDIR_READ]),
2832 .off2 = td_var_offset(rate[DDIR_WRITE]),
2833 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2834 .help = "Set bandwidth rate",
e8b0e958
JA		 2835 .category = FIO_OPT_C_IO,
2836 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2837 },
2838 {
2839 .name = "ratemin",
e8b0e958 2840 .lname = "I/O min rate",
e01b22b8 2841 .type = FIO_OPT_INT,
6eaf09d6
SL		 2842 .off1 = td_var_offset(ratemin[DDIR_READ]),
2843 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2844 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2845 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2846 .parent = "rate",
d71c154c 2847 .hide = 1,
e8b0e958
JA		 2848 .category = FIO_OPT_C_IO,
2849 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2850 },
2851 {
2852 .name = "rate_iops",
e8b0e958 2853 .lname = "I/O rate IOPS",
e01b22b8 2854 .type = FIO_OPT_INT,
6eaf09d6
SL		 2855 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2856 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2857 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2858 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2859 .hide = 1,
e8b0e958
JA		 2860 .category = FIO_OPT_C_IO,
2861 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2862 },
2863 {
2864 .name = "rate_iops_min",
e8b0e958 2865 .lname = "I/O min rate IOPS",
e01b22b8 2866 .type = FIO_OPT_INT,
6eaf09d6
SL		 2867 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2868 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2869 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2870 .help = "Job must meet this rate or it will be shut down",
afdf9352 2871 .parent = "rate_iops",
d71c154c 2872 .hide = 1,
e8b0e958
JA		 2873 .category = FIO_OPT_C_IO,
2874 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2875 },
2876 {
2877 .name = "ratecycle",
e8b0e958 2878 .lname = "I/O rate cycle",
214e1eca
JA		 2879 .type = FIO_OPT_INT,
2880 .off1 = td_var_offset(ratecycle),
2881 .help = "Window average for rate limits (msec)",
2882 .def = "1000",
afdf9352 2883 .parent = "rate",
d71c154c 2884 .hide = 1,
e8b0e958
JA		 2885 .category = FIO_OPT_C_IO,
2886 .group = FIO_OPT_G_RATE,
214e1eca 2887 },
15501535
JA		 2888 {
2889 .name = "max_latency",
2890 .type = FIO_OPT_INT,
2891 .off1 = td_var_offset(max_latency),
2892 .help = "Maximum tolerated IO latency (usec)",
88038bc7 2893 .is_time = 1,
1e5324e7 2894 .category = FIO_OPT_C_IO,
3e260a46
JA		 2895 .group = FIO_OPT_G_LATPROF,
2896 },
2897 {
2898 .name = "latency_target",
2899 .lname = "Latency Target (usec)",
2900 .type = FIO_OPT_STR_VAL_TIME,
2901 .off1 = td_var_offset(latency_target),
2902 .help = "Ramp to max queue depth supporting this latency",
88038bc7 2903 .is_time = 1,
3e260a46
JA		 2904 .category = FIO_OPT_C_IO,
2905 .group = FIO_OPT_G_LATPROF,
2906 },
2907 {
2908 .name = "latency_window",
2909 .lname = "Latency Window (usec)",
2910 .type = FIO_OPT_STR_VAL_TIME,
2911 .off1 = td_var_offset(latency_window),
2912 .help = "Time to sustain latency_target",
88038bc7 2913 .is_time = 1,
3e260a46
JA		 2914 .category = FIO_OPT_C_IO,
2915 .group = FIO_OPT_G_LATPROF,
2916 },
2917 {
2918 .name = "latency_percentile",
2919 .lname = "Latency Percentile",
2920 .type = FIO_OPT_FLOAT_LIST,
2921 .off1 = td_var_offset(latency_percentile),
2922 .help = "Percentile of IOs must be below latency_target",
2923 .def = "100",
2924 .maxlen = 1,
2925 .minfp = 0.0,
2926 .maxfp = 100.0,
2927 .category = FIO_OPT_C_IO,
2928 .group = FIO_OPT_G_LATPROF,
15501535 2929 },
214e1eca
JA		 2930 {
2931 .name = "invalidate",
e8b0e958 2932 .lname = "Cache invalidate",
214e1eca
JA		 2933 .type = FIO_OPT_BOOL,
2934 .off1 = td_var_offset(invalidate_cache),
2935 .help = "Invalidate buffer/page cache prior to running job",
2936 .def = "1",
e8b0e958 2937 .category = FIO_OPT_C_IO,
3ceb458f 2938 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2939 },
2940 {
2941 .name = "sync",
e8b0e958 2942 .lname = "Synchronous I/O",
214e1eca
JA		 2943 .type = FIO_OPT_BOOL,
2944 .off1 = td_var_offset(sync_io),
2945 .help = "Use O_SYNC for buffered writes",
2946 .def = "0",
67a1000f 2947 .parent = "buffered",
d71c154c 2948 .hide = 1,
e8b0e958 2949 .category = FIO_OPT_C_IO,
3ceb458f 2950 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2951 },
214e1eca
JA		 2952 {
2953 .name = "create_serialize",
e8b0e958 2954 .lname = "Create serialize",
214e1eca
JA		 2955 .type = FIO_OPT_BOOL,
2956 .off1 = td_var_offset(create_serialize),
2957 .help = "Serialize creating of job files",
2958 .def = "1",
e8b0e958
JA		 2959 .category = FIO_OPT_C_FILE,
2960 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2961 },
2962 {
2963 .name = "create_fsync",
e8b0e958 2964 .lname = "Create fsync",
214e1eca
JA		 2965 .type = FIO_OPT_BOOL,
2966 .off1 = td_var_offset(create_fsync),
03e20d68 2967 .help = "fsync file after creation",
214e1eca 2968 .def = "1",
e8b0e958
JA		 2969 .category = FIO_OPT_C_FILE,
2970 .group = FIO_OPT_G_INVALID,
214e1eca 2971 },
814452bd
JA		 2972 {
2973 .name = "create_on_open",
e8b0e958 2974 .lname = "Create on open",
814452bd
JA		 2975 .type = FIO_OPT_BOOL,
2976 .off1 = td_var_offset(create_on_open),
2977 .help = "Create files when they are opened for IO",
2978 .def = "0",
e8b0e958
JA		 2979 .category = FIO_OPT_C_FILE,
2980 .group = FIO_OPT_G_INVALID,
814452bd 2981 },
25460cf6
JA		 2982 {
2983 .name = "create_only",
2984 .type = FIO_OPT_BOOL,
2985 .off1 = td_var_offset(create_only),
2986 .help = "Only perform file creation phase",
d17fda71 2987 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2988 .def = "0",
2989 },
0b9d69ec 2990 {
afad68f7 2991 .name = "pre_read",
e8b0e958 2992 .lname = "Pre-read files",
afad68f7
ZY		 2993 .type = FIO_OPT_BOOL,
2994 .off1 = td_var_offset(pre_read),
03e20d68 2995 .help = "Pre-read files before starting official testing",
afad68f7 2996 .def = "0",
e8b0e958
JA		 2997 .category = FIO_OPT_C_FILE,
2998 .group = FIO_OPT_G_INVALID,
afad68f7 2999 },
214e1eca
JA		 3000#ifdef FIO_HAVE_CPU_AFFINITY
3001 {
3002 .name = "cpumask",
e8b0e958 3003 .lname = "CPU mask",
214e1eca
JA		 3004 .type = FIO_OPT_INT,
3005 .cb = str_cpumask_cb,
a8523a6a 3006 .off1 = td_var_offset(cpumask),
214e1eca 3007 .help = "CPU affinity mask",
e8b0e958 3008 .category = FIO_OPT_C_GENERAL,
10860056 3009 .group = FIO_OPT_G_CRED,
214e1eca 3010 },
d2e268b0
JA		 3011 {
3012 .name = "cpus_allowed",
e8b0e958 3013 .lname = "CPUs allowed",
d2e268b0
JA		 3014 .type = FIO_OPT_STR,
3015 .cb = str_cpus_allowed_cb,
a8523a6a 3016 .off1 = td_var_offset(cpumask),
d2e268b0 3017 .help = "Set CPUs allowed",
e8b0e958 3018 .category = FIO_OPT_C_GENERAL,
10860056 3019 .group = FIO_OPT_G_CRED,
d2e268b0 3020 },
c2acfbac
JA		 3021 {
3022 .name = "cpus_allowed_policy",
3023 .lname = "CPUs allowed distribution policy",
3024 .type = FIO_OPT_STR,
3025 .off1 = td_var_offset(cpus_allowed_policy),
3026 .help = "Distribution policy for cpus_allowed",
3027 .parent = "cpus_allowed",
3028 .prio = 1,
3029 .posval = {
3030 { .ival = "shared",
3031 .oval = FIO_CPUS_SHARED,
3032 .help = "Mask shared between threads",
3033 },
3034 { .ival = "split",
3035 .oval = FIO_CPUS_SPLIT,
3036 .help = "Mask split between threads",
3037 },
3038 },
3039 .category = FIO_OPT_C_GENERAL,
3040 .group = FIO_OPT_G_CRED,
3041 },
d0b937ed 3042#endif
67bf9823 3043#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3044 {
3045 .name = "numa_cpu_nodes",
3046 .type = FIO_OPT_STR,
3047 .cb = str_numa_cpunodes_cb,
b2a9e649 3048 .off1 = td_var_offset(numa_cpunodes),
d0b937ed 3049 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3050 .category = FIO_OPT_C_GENERAL,
3051 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3052 },
3053 {
3054 .name = "numa_mem_policy",
3055 .type = FIO_OPT_STR,
3056 .cb = str_numa_mpol_cb,
b2a9e649 3057 .off1 = td_var_offset(numa_memnodes),
d0b937ed 3058 .help = "NUMA memory policy setup",
6be54b2d
JA		 3059 .category = FIO_OPT_C_GENERAL,
3060 .group = FIO_OPT_G_INVALID,
d0b937ed 3061 },
214e1eca
JA		 3062#endif
3063 {
3064 .name = "end_fsync",
e8b0e958 3065 .lname = "End fsync",
214e1eca
JA		 3066 .type = FIO_OPT_BOOL,
3067 .off1 = td_var_offset(end_fsync),
3068 .help = "Include fsync at the end of job",
3069 .def = "0",
e8b0e958
JA		 3070 .category = FIO_OPT_C_FILE,
3071 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3072 },
3073 {
3074 .name = "fsync_on_close",
e8b0e958 3075 .lname = "Fsync on close",
214e1eca
JA		 3076 .type = FIO_OPT_BOOL,
3077 .off1 = td_var_offset(fsync_on_close),
3078 .help = "fsync files on close",
3079 .def = "0",
e8b0e958
JA		 3080 .category = FIO_OPT_C_FILE,
3081 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3082 },
3083 {
3084 .name = "unlink",
e8b0e958 3085 .lname = "Unlink file",
214e1eca
JA		 3086 .type = FIO_OPT_BOOL,
3087 .off1 = td_var_offset(unlink),
3088 .help = "Unlink created files after job has completed",
3089 .def = "0",
e8b0e958
JA		 3090 .category = FIO_OPT_C_FILE,
3091 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3092 },
3093 {
3094 .name = "exitall",
e8b0e958 3095 .lname = "Exit-all on terminate",
214e1eca
JA		 3096 .type = FIO_OPT_STR_SET,
3097 .cb = str_exitall_cb,
3098 .help = "Terminate all jobs when one exits",
e8b0e958 3099 .category = FIO_OPT_C_GENERAL,
a1f6afec 3100 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3101 },
3102 {
3103 .name = "stonewall",
e8b0e958 3104 .lname = "Wait for previous",
d392365e 3105 .alias = "wait_for_previous",
214e1eca
JA		 3106 .type = FIO_OPT_STR_SET,
3107 .off1 = td_var_offset(stonewall),
3108 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3109 .category = FIO_OPT_C_GENERAL,
a1f6afec 3110 .group = FIO_OPT_G_PROCESS,
214e1eca 3111 },
b3d62a75
JA		 3112 {
3113 .name = "new_group",
e8b0e958 3114 .lname = "New group",
b3d62a75
JA		 3115 .type = FIO_OPT_STR_SET,
3116 .off1 = td_var_offset(new_group),
3117 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3118 .category = FIO_OPT_C_GENERAL,
a1f6afec 3119 .group = FIO_OPT_G_PROCESS,
b3d62a75 3120 },
214e1eca
JA		 3121 {
3122 .name = "thread",
e8b0e958 3123 .lname = "Thread",
214e1eca
JA		 3124 .type = FIO_OPT_STR_SET,
3125 .off1 = td_var_offset(use_thread),
20eb06bd 3126 .help = "Use threads instead of processes",
c8931876
JA		 3127#ifdef CONFIG_NO_SHM
3128 .def = "1",
3129 .no_warn_def = 1,
3130#endif
e8b0e958 3131 .category = FIO_OPT_C_GENERAL,
a1f6afec 3132 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3133 },
3134 {
3135 .name = "write_bw_log",
e8b0e958 3136 .lname = "Write bandwidth log",
203160d5
JA		 3137 .type = FIO_OPT_STR_STORE,
3138 .off1 = td_var_offset(bw_log_file),
214e1eca 3139 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3140 .category = FIO_OPT_C_LOG,
3141 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3142 },
3143 {
3144 .name = "write_lat_log",
e8b0e958 3145 .lname = "Write latency log",
203160d5
JA		 3146 .type = FIO_OPT_STR_STORE,
3147 .off1 = td_var_offset(lat_log_file),
214e1eca 3148 .help = "Write log of latency during run",
e8b0e958
JA		 3149 .category = FIO_OPT_C_LOG,
3150 .group = FIO_OPT_G_INVALID,
214e1eca 3151 },
c8eeb9df
JA		 3152 {
3153 .name = "write_iops_log",
e8b0e958 3154 .lname = "Write IOPS log",
577c83bd 3155 .type = FIO_OPT_STR_STORE,
203160d5 3156 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3157 .help = "Write log of IOPS during run",
e8b0e958
JA		 3158 .category = FIO_OPT_C_LOG,
3159 .group = FIO_OPT_G_INVALID,
c8eeb9df 3160 },
b8bc8cba
JA		 3161 {
3162 .name = "log_avg_msec",
e8b0e958 3163 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3164 .type = FIO_OPT_INT,
3165 .off1 = td_var_offset(log_avg_msec),
3166 .help = "Average bw/iops/lat logs over this period of time",
3167 .def = "0",
e8b0e958
JA		 3168 .category = FIO_OPT_C_LOG,
3169 .group = FIO_OPT_G_INVALID,
b8bc8cba 3170 },
ae588852
JA		 3171 {
3172 .name = "log_offset",
3173 .lname = "Log offset of IO",
3174 .type = FIO_OPT_BOOL,
3175 .off1 = td_var_offset(log_offset),
3176 .help = "Include offset of IO for each log entry",
3177 .def = "0",
3178 .category = FIO_OPT_C_LOG,
3179 .group = FIO_OPT_G_INVALID,
3180 },
aee2ab67
JA		 3181#ifdef CONFIG_ZLIB
3182 {
3183 .name = "log_compression",
3184 .lname = "Log compression",
3185 .type = FIO_OPT_INT,
3186 .off1 = td_var_offset(log_gz),
3187 .help = "Log in compressed chunks of this size",
3188 .minval = 32 * 1024 * 1024ULL,
3189 .maxval = 512 * 1024 * 1024ULL,
3190 .category = FIO_OPT_C_LOG,
3191 .group = FIO_OPT_G_INVALID,
3192 },
b26317c9
JA		 3193 {
3194 .name = "log_store_compressed",
3195 .lname = "Log store compressed",
3196 .type = FIO_OPT_BOOL,
3197 .off1 = td_var_offset(log_gz_store),
3198 .help = "Store logs in a compressed format",
3199 .category = FIO_OPT_C_LOG,
3200 .group = FIO_OPT_G_INVALID,
3201 },
aee2ab67 3202#endif
66347cfa
DE		 3203 {
3204 .name = "block_error_percentiles",
3205 .lname = "Block error percentiles",
3206 .type = FIO_OPT_BOOL,
3207 .off1 = td_var_offset(block_error_hist),
3208 .help = "Record trim block errors and make a histogram",
3209 .def = "0",
3210 .category = FIO_OPT_C_LOG,
3211 .group = FIO_OPT_G_INVALID,
3212 },
c504ee55
JA		 3213 {
3214 .name = "bwavgtime",
3215 .lname = "Bandwidth average time",
3216 .type = FIO_OPT_INT,
3217 .off1 = td_var_offset(bw_avg_time),
3218 .help = "Time window over which to calculate bandwidth"
3219 " (msec)",
3220 .def = "500",
3221 .parent = "write_bw_log",
3222 .hide = 1,
3223 .interval = 100,
3224 .category = FIO_OPT_C_LOG,
3225 .group = FIO_OPT_G_INVALID,
3226 },
3227 {
3228 .name = "iopsavgtime",
3229 .lname = "IOPS average time",
3230 .type = FIO_OPT_INT,
3231 .off1 = td_var_offset(iops_avg_time),
3232 .help = "Time window over which to calculate IOPS (msec)",
3233 .def = "500",
3234 .parent = "write_iops_log",
3235 .hide = 1,
3236 .interval = 100,
3237 .category = FIO_OPT_C_LOG,
3238 .group = FIO_OPT_G_INVALID,
3239 },
214e1eca
JA		 3240 {
3241 .name = "group_reporting",
e8b0e958 3242 .lname = "Group reporting",
d2507043 3243 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3244 .off1 = td_var_offset(group_reporting),
3245 .help = "Do reporting on a per-group basis",
10860056 3246 .category = FIO_OPT_C_STAT,
e8b0e958 3247 .group = FIO_OPT_G_INVALID,
214e1eca 3248 },
e9459e5a
JA		 3249 {
3250 .name = "zero_buffers",
e8b0e958 3251 .lname = "Zero I/O buffers",
e9459e5a
JA		 3252 .type = FIO_OPT_STR_SET,
3253 .off1 = td_var_offset(zero_buffers),
3254 .help = "Init IO buffers to all zeroes",
e8b0e958 3255 .category = FIO_OPT_C_IO,
3ceb458f 3256 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3257 },
5973cafb
JA		 3258 {
3259 .name = "refill_buffers",
e8b0e958 3260 .lname = "Refill I/O buffers",
5973cafb
JA		 3261 .type = FIO_OPT_STR_SET,
3262 .off1 = td_var_offset(refill_buffers),
3263 .help = "Refill IO buffers on every IO submit",
e8b0e958 3264 .category = FIO_OPT_C_IO,
3ceb458f 3265 .group = FIO_OPT_G_IO_BUF,
5973cafb 3266 },
fd68418e
JA		 3267 {
3268 .name = "scramble_buffers",
e8b0e958 3269 .lname = "Scramble I/O buffers",
fd68418e
JA		 3270 .type = FIO_OPT_BOOL,
3271 .off1 = td_var_offset(scramble_buffers),
3272 .help = "Slightly scramble buffers on every IO submit",
3273 .def = "1",
e8b0e958 3274 .category = FIO_OPT_C_IO,
3ceb458f 3275 .group = FIO_OPT_G_IO_BUF,
fd68418e 3276 },
ce35b1ec
JA		 3277 {
3278 .name = "buffer_pattern",
3279 .lname = "Buffer pattern",
3280 .type = FIO_OPT_STR,
3281 .cb = str_buffer_pattern_cb,
a8523a6a 3282 .off1 = td_var_offset(buffer_pattern),
ce35b1ec
JA		 3283 .help = "Fill pattern for IO buffers",
3284 .category = FIO_OPT_C_IO,
3285 .group = FIO_OPT_G_IO_BUF,
3286 },
9c42684e
JA		 3287 {
3288 .name = "buffer_compress_percentage",
e8b0e958 3289 .lname = "Buffer compression percentage",
9c42684e 3290 .type = FIO_OPT_INT,
bedc9dc2 3291 .cb = str_buffer_compress_cb,
a8523a6a 3292 .off1 = td_var_offset(compress_percentage),
9c42684e 3293 .maxval = 100,
e7f5de90 3294 .minval = 0,
9c42684e 3295 .help = "How compressible the buffer is (approximately)",
20eb06bd 3296 .interval = 5,
e8b0e958 3297 .category = FIO_OPT_C_IO,
3ceb458f 3298 .group = FIO_OPT_G_IO_BUF,
9c42684e 3299 },
f97a43a1
JA		 3300 {
3301 .name = "buffer_compress_chunk",
e8b0e958 3302 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3303 .type = FIO_OPT_INT,
3304 .off1 = td_var_offset(compress_chunk),
207b18e4 3305 .parent = "buffer_compress_percentage",
d71c154c 3306 .hide = 1,
f97a43a1 3307 .help = "Size of compressible region in buffer",
20eb06bd 3308 .interval = 256,
e8b0e958 3309 .category = FIO_OPT_C_IO,
3ceb458f 3310 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3311 },
5c94b008
JA		 3312 {
3313 .name = "dedupe_percentage",
3314 .lname = "Dedupe percentage",
3315 .type = FIO_OPT_INT,
3316 .cb = str_dedupe_cb,
a8523a6a 3317 .off1 = td_var_offset(dedupe_percentage),
5c94b008
JA		 3318 .maxval = 100,
3319 .minval = 0,
3320 .help = "Percentage of buffers that are dedupable",
3321 .interval = 1,
3322 .category = FIO_OPT_C_IO,
3323 .group = FIO_OPT_G_IO_BUF,
3324 },
83349190
YH		 3325 {
3326 .name = "clat_percentiles",
e8b0e958 3327 .lname = "Completion latency percentiles",
83349190
YH		 3328 .type = FIO_OPT_BOOL,
3329 .off1 = td_var_offset(clat_percentiles),
3330 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3331 .def = "1",
e8b0e958
JA		 3332 .category = FIO_OPT_C_STAT,
3333 .group = FIO_OPT_G_INVALID,
83349190
YH		 3334 },
3335 {
3336 .name = "percentile_list",
66347cfa 3337 .lname = "Percentile list",
83349190
YH		 3338 .type = FIO_OPT_FLOAT_LIST,
3339 .off1 = td_var_offset(percentile_list),
435d195a 3340 .off2 = td_var_offset(percentile_precision),
66347cfa
DE		 3341 .help = "Specify a custom list of percentiles to report for "
3342 "completion latency and block errors",
fd112d34 3343 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3344 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3345 .minfp = 0.0,
3346 .maxfp = 100.0,
e8b0e958
JA		 3347 .category = FIO_OPT_C_STAT,
3348 .group = FIO_OPT_G_INVALID,
83349190
YH		 3349 },
3350
0a839f30
JA		 3351#ifdef FIO_HAVE_DISK_UTIL
3352 {
3353 .name = "disk_util",
e8b0e958 3354 .lname = "Disk utilization",
0a839f30
JA		 3355 .type = FIO_OPT_BOOL,
3356 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3357 .help = "Log disk utilization statistics",
0a839f30 3358 .def = "1",
e8b0e958
JA		 3359 .category = FIO_OPT_C_STAT,
3360 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3361 },
3362#endif
993bf48b
JA		 3363 {
3364 .name = "gtod_reduce",
e8b0e958 3365 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3366 .type = FIO_OPT_BOOL,
3367 .help = "Greatly reduce number of gettimeofday() calls",
3368 .cb = str_gtod_reduce_cb,
3369 .def = "0",
a4ed77fe 3370 .hide_on_set = 1,
e8b0e958
JA		 3371 .category = FIO_OPT_C_STAT,
3372 .group = FIO_OPT_G_INVALID,
993bf48b 3373 },
02af0988
JA		 3374 {
3375 .name = "disable_lat",
e8b0e958 3376 .lname = "Disable all latency stats",
02af0988
JA		 3377 .type = FIO_OPT_BOOL,
3378 .off1 = td_var_offset(disable_lat),
3379 .help = "Disable latency numbers",
3380 .parent = "gtod_reduce",
d71c154c 3381 .hide = 1,
02af0988 3382 .def = "0",
e8b0e958
JA		 3383 .category = FIO_OPT_C_STAT,
3384 .group = FIO_OPT_G_INVALID,
02af0988 3385 },
9520ebb9
JA		 3386 {
3387 .name = "disable_clat",
e8b0e958 3388 .lname = "Disable completion latency stats",
9520ebb9
JA		 3389 .type = FIO_OPT_BOOL,
3390 .off1 = td_var_offset(disable_clat),
3391 .help = "Disable completion latency numbers",
993bf48b 3392 .parent = "gtod_reduce",
d71c154c 3393 .hide = 1,
9520ebb9 3394 .def = "0",
e8b0e958
JA		 3395 .category = FIO_OPT_C_STAT,
3396 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3397 },
3398 {
3399 .name = "disable_slat",
e8b0e958 3400 .lname = "Disable submission latency stats",
9520ebb9
JA		 3401 .type = FIO_OPT_BOOL,
3402 .off1 = td_var_offset(disable_slat),
03e20d68 3403 .help = "Disable submission latency numbers",
993bf48b 3404 .parent = "gtod_reduce",
d71c154c 3405 .hide = 1,
9520ebb9 3406 .def = "0",
e8b0e958
JA		 3407 .category = FIO_OPT_C_STAT,
3408 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3409 },
3410 {
3411 .name = "disable_bw_measurement",
e8b0e958 3412 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3413 .type = FIO_OPT_BOOL,
3414 .off1 = td_var_offset(disable_bw),
3415 .help = "Disable bandwidth logging",
993bf48b 3416 .parent = "gtod_reduce",
d71c154c 3417 .hide = 1,
9520ebb9 3418 .def = "0",
e8b0e958
JA		 3419 .category = FIO_OPT_C_STAT,
3420 .group = FIO_OPT_G_INVALID,
9520ebb9 3421 },
be4ecfdf
JA		 3422 {
3423 .name = "gtod_cpu",
e8b0e958 3424 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 3425 .type = FIO_OPT_INT,
79c896a1 3426 .off1 = td_var_offset(gtod_cpu),
03e20d68 3427 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3428 .verify = gtod_cpu_verify,
e8b0e958 3429 .category = FIO_OPT_C_GENERAL,
10860056 3430 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3431 },
771e58be
JA		 3432 {
3433 .name = "unified_rw_reporting",
3434 .type = FIO_OPT_BOOL,
3435 .off1 = td_var_offset(unified_rw_rep),
3436 .help = "Unify reporting across data direction",
3437 .def = "0",
90b7a96d
JA		 3438 .category = FIO_OPT_C_GENERAL,
3439 .group = FIO_OPT_G_INVALID,
771e58be 3440 },
f2bba182
RR		 3441 {
3442 .name = "continue_on_error",
e8b0e958 3443 .lname = "Continue on error",
06842027 3444 .type = FIO_OPT_STR,
f2bba182 3445 .off1 = td_var_offset(continue_on_error),
03e20d68 3446 .help = "Continue on non-fatal errors during IO",
06842027 3447 .def = "none",
e8b0e958 3448 .category = FIO_OPT_C_GENERAL,
bc3f552f 3449 .group = FIO_OPT_G_ERR,
06842027
SL		 3450 .posval = {
3451 { .ival = "none",
3452 .oval = ERROR_TYPE_NONE,
3453 .help = "Exit when an error is encountered",
3454 },
3455 { .ival = "read",
3456 .oval = ERROR_TYPE_READ,
3457 .help = "Continue on read errors only",
3458 },
3459 { .ival = "write",
3460 .oval = ERROR_TYPE_WRITE,
3461 .help = "Continue on write errors only",
3462 },
3463 { .ival = "io",
3464 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3465 .help = "Continue on any IO errors",
3466 },
3467 { .ival = "verify",
3468 .oval = ERROR_TYPE_VERIFY,
3469 .help = "Continue on verify errors only",
3470 },
3471 { .ival = "all",
3472 .oval = ERROR_TYPE_ANY,
3473 .help = "Continue on all io and verify errors",
3474 },
3475 { .ival = "0",
3476 .oval = ERROR_TYPE_NONE,
3477 .help = "Alias for 'none'",
3478 },
3479 { .ival = "1",
3480 .oval = ERROR_TYPE_ANY,
3481 .help = "Alias for 'all'",
3482 },
3483 },
f2bba182 3484 },
8b28bd41
DM		 3485 {
3486 .name = "ignore_error",
3487 .type = FIO_OPT_STR,
3488 .cb = str_ignore_error_cb,
a8523a6a 3489 .off1 = td_var_offset(ignore_error_nr),
8b28bd41
DM		 3490 .help = "Set a specific list of errors to ignore",
3491 .parent = "rw",
a94eb99a 3492 .category = FIO_OPT_C_GENERAL,
bc3f552f 3493 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3494 },
3495 {
3496 .name = "error_dump",
3497 .type = FIO_OPT_BOOL,
3498 .off1 = td_var_offset(error_dump),
3499 .def = "0",
3500 .help = "Dump info on each error",
a94eb99a 3501 .category = FIO_OPT_C_GENERAL,
bc3f552f 3502 .group = FIO_OPT_G_ERR,
8b28bd41 3503 },
9ac8a797
JA		 3504 {
3505 .name = "profile",
e8b0e958 3506 .lname = "Profile",
79d16311 3507 .type = FIO_OPT_STR_STORE,
9ac8a797 3508 .off1 = td_var_offset(profile),
9ac8a797 3509 .help = "Select a specific builtin performance test",
13fca827 3510 .category = FIO_OPT_C_PROFILE,
e8b0e958 3511 .group = FIO_OPT_G_INVALID,
9ac8a797 3512 },
a696fa2a
JA		 3513 {
3514 .name = "cgroup",
e8b0e958 3515 .lname = "Cgroup",
a696fa2a
JA		 3516 .type = FIO_OPT_STR_STORE,
3517 .off1 = td_var_offset(cgroup),
3518 .help = "Add job to cgroup of this name",
e8b0e958 3519 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3520 .group = FIO_OPT_G_CGROUP,
3521 },
3522 {
3523 .name = "cgroup_nodelete",
3524 .lname = "Cgroup no-delete",
3525 .type = FIO_OPT_BOOL,
3526 .off1 = td_var_offset(cgroup_nodelete),
3527 .help = "Do not delete cgroups after job completion",
3528 .def = "0",
3529 .parent = "cgroup",
3530 .category = FIO_OPT_C_GENERAL,
3531 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3532 },
3533 {
3534 .name = "cgroup_weight",
e8b0e958 3535 .lname = "Cgroup weight",
a696fa2a
JA		 3536 .type = FIO_OPT_INT,
3537 .off1 = td_var_offset(cgroup_weight),
3538 .help = "Use given weight for cgroup",
3539 .minval = 100,
3540 .maxval = 1000,
a1f6afec 3541 .parent = "cgroup",
e8b0e958 3542 .category = FIO_OPT_C_GENERAL,
a1f6afec 3543 .group = FIO_OPT_G_CGROUP,
7de87099 3544 },
e0b0d892
JA		 3545 {
3546 .name = "uid",
e8b0e958 3547 .lname = "User ID",
e0b0d892
JA		 3548 .type = FIO_OPT_INT,
3549 .off1 = td_var_offset(uid),
3550 .help = "Run job with this user ID",
e8b0e958 3551 .category = FIO_OPT_C_GENERAL,
10860056 3552 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3553 },
3554 {
3555 .name = "gid",
e8b0e958 3556 .lname = "Group ID",
e0b0d892
JA		 3557 .type = FIO_OPT_INT,
3558 .off1 = td_var_offset(gid),
3559 .help = "Run job with this group ID",
e8b0e958 3560 .category = FIO_OPT_C_GENERAL,
10860056 3561 .group = FIO_OPT_G_CRED,
e0b0d892 3562 },
a1f6afec
JA		 3563 {
3564 .name = "kb_base",
3565 .lname = "KB Base",
3566 .type = FIO_OPT_INT,
3567 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3568 .prio = 1,
3569 .def = "1024",
ba9c7219
JA		 3570 .posval = {
3571 { .ival = "1024",
3572 .oval = 1024,
3573 .help = "Use 1024 as the K base",
3574 },
3575 { .ival = "1000",
3576 .oval = 1000,
3577 .help = "Use 1000 as the K base",
3578 },
3579 },
a1f6afec
JA		 3580 .help = "How many bytes per KB for reporting (1000 or 1024)",
3581 .category = FIO_OPT_C_GENERAL,
3582 .group = FIO_OPT_G_INVALID,
3583 },
cf3a0518
JA		 3584 {
3585 .name = "unit_base",
ba9c7219 3586 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3587 .type = FIO_OPT_INT,
3588 .off1 = td_var_offset(unit_base),
cf3a0518 3589 .prio = 1,
71a08258
JA		 3590 .posval = {
3591 { .ival = "0",
3592 .oval = 0,
3593 .help = "Auto-detect",
3594 },
3595 { .ival = "8",
3596 .oval = 8,
3597 .help = "Normal (byte based)",
3598 },
3599 { .ival = "1",
3600 .oval = 1,
3601 .help = "Bit based",
3602 },
3603 },
cf3a0518
JA		 3604 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3605 .category = FIO_OPT_C_GENERAL,
3606 .group = FIO_OPT_G_INVALID,
3607 },
3ceb458f
JA		 3608 {
3609 .name = "hugepage-size",
3610 .lname = "Hugepage size",
3611 .type = FIO_OPT_INT,
3612 .off1 = td_var_offset(hugepage_size),
3613 .help = "When using hugepages, specify size of each page",
3614 .def = __fio_stringify(FIO_HUGE_PAGE),
3615 .interval = 1024 * 1024,
3616 .category = FIO_OPT_C_GENERAL,
3617 .group = FIO_OPT_G_INVALID,
3618 },
9e684a49
DE		 3619 {
3620 .name = "flow_id",
e8b0e958 3621 .lname = "I/O flow ID",
9e684a49
DE		 3622 .type = FIO_OPT_INT,
3623 .off1 = td_var_offset(flow_id),
3624 .help = "The flow index ID to use",
3625 .def = "0",
e8b0e958
JA		 3626 .category = FIO_OPT_C_IO,
3627 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3628 },
3629 {
3630 .name = "flow",
e8b0e958 3631 .lname = "I/O flow weight",
9e684a49
DE		 3632 .type = FIO_OPT_INT,
3633 .off1 = td_var_offset(flow),
3634 .help = "Weight for flow control of this job",
3635 .parent = "flow_id",
d71c154c 3636 .hide = 1,
9e684a49 3637 .def = "0",
e8b0e958
JA		 3638 .category = FIO_OPT_C_IO,
3639 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3640 },
3641 {
3642 .name = "flow_watermark",
e8b0e958 3643 .lname = "I/O flow watermark",
9e684a49
DE		 3644 .type = FIO_OPT_INT,
3645 .off1 = td_var_offset(flow_watermark),
3646 .help = "High watermark for flow control. This option"
3647 " should be set to the same value for all threads"
3648 " with non-zero flow.",
3649 .parent = "flow_id",
d71c154c 3650 .hide = 1,
9e684a49 3651 .def = "1024",
e8b0e958
JA		 3652 .category = FIO_OPT_C_IO,
3653 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3654 },
3655 {
3656 .name = "flow_sleep",
e8b0e958 3657 .lname = "I/O flow sleep",
9e684a49
DE		 3658 .type = FIO_OPT_INT,
3659 .off1 = td_var_offset(flow_sleep),
3660 .help = "How many microseconds to sleep after being held"
3661 " back by the flow control mechanism",
3662 .parent = "flow_id",
d71c154c 3663 .hide = 1,
9e684a49 3664 .def = "0",
e8b0e958
JA		 3665 .category = FIO_OPT_C_IO,
3666 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3667 },
65fa28ca
DE		 3668 {
3669 .name = "skip_bad",
3670 .lname = "Skip operations against bad blocks",
3671 .type = FIO_OPT_BOOL,
3672 .off1 = td_var_offset(skip_bad),
3673 .help = "Skip operations against known bad blocks.",
3674 .hide = 1,
3675 .def = "0",
3676 .category = FIO_OPT_C_IO,
3677 .group = FIO_OPT_G_MTD,
3678 },
214e1eca
JA		 3679 {
3680 .name = NULL,
3681 },
3682};
3683
17af15d4 3684static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3685 const char *name, int val)
9f81736c 3686{
17af15d4 3687 lopt->name = (char *) name;
de890a1e 3688 lopt->val = val;
9f81736c 3689 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3690 lopt->has_arg = optional_argument;
9f81736c
JA		 3691 else
3692 lopt->has_arg = required_argument;
3693}
3694
de890a1e
SL		 3695static void options_to_lopts(struct fio_option *opts,
3696 struct option *long_options,
3697 int i, int option_type)
214e1eca 3698{
de890a1e 3699 struct fio_option *o = &opts[0];
214e1eca 3700 while (o->name) {
de890a1e 3701 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3702 if (o->alias) {
3703 i++;
de890a1e 3704 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3705 }
214e1eca
JA		 3706
3707 i++;
3708 o++;
3709 assert(i < FIO_NR_OPTIONS);
3710 }
3711}
3712
de890a1e
SL		 3713void fio_options_set_ioengine_opts(struct option *long_options,
3714 struct thread_data *td)
3715{
3716 unsigned int i;
3717
3718 i = 0;
3719 while (long_options[i].name) {
3720 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3721 memset(&long_options[i], 0, sizeof(*long_options));
3722 break;
3723 }
3724 i++;
3725 }
3726
3727 /*
3728 * Just clear out the prior ioengine options.
3729 */
3730 if (!td || !td->eo)
3731 return;
3732
3733 options_to_lopts(td->io_ops->options, long_options, i,
3734 FIO_GETOPT_IOENGINE);
3735}
3736
3737void fio_options_dup_and_init(struct option *long_options)
3738{
3739 unsigned int i;
3740
9af4a244 3741 options_init(fio_options);
de890a1e
SL		 3742
3743 i = 0;
3744 while (long_options[i].name)
3745 i++;
3746
9af4a244 3747 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3748}
3749
74929ac2
JA		 3750struct fio_keyword {
3751 const char *word;
3752 const char *desc;
3753 char *replace;
3754};
3755
3756static struct fio_keyword fio_keywords[] = {
3757 {
3758 .word = "$pagesize",
3759 .desc = "Page size in the system",
3760 },
3761 {
3762 .word = "$mb_memory",
3763 .desc = "Megabytes of memory online",
3764 },
3765 {
3766 .word = "$ncpus",
3767 .desc = "Number of CPUs online in the system",
3768 },
3769 {
3770 .word = NULL,
3771 },
3772};
3773
3774void fio_keywords_init(void)
3775{
3b2e1464 3776 unsigned long long mb_memory;
74929ac2
JA		 3777 char buf[128];
3778 long l;
3779
a4cfc477 3780 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3781 fio_keywords[0].replace = strdup(buf);
3782
8eb016d3 3783 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3784 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3785 fio_keywords[1].replace = strdup(buf);
3786
c00a2289 3787 l = cpus_online();
74929ac2
JA		 3788 sprintf(buf, "%lu", l);
3789 fio_keywords[2].replace = strdup(buf);
3790}
3791
892a6ffc
JA		 3792#define BC_APP "bc"
3793
3794static char *bc_calc(char *str)
3795{
d0c814ec 3796 char buf[128], *tmp;
892a6ffc
JA		 3797 FILE *f;
3798 int ret;
3799
3800 /*
3801 * No math, just return string
3802 */
d0c814ec
SL		 3803 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3804 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3805 return str;
3806
3807 /*
3808 * Split option from value, we only need to calculate the value
3809 */
3810 tmp = strchr(str, '=');
3811 if (!tmp)
3812 return str;
3813
3814 tmp++;
892a6ffc 3815
d0c814ec
SL		 3816 /*
3817 * Prevent buffer overflows; such a case isn't reasonable anyway
3818 */
3819 if (strlen(str) >= 128 || strlen(tmp) > 100)
3820 return str;
892a6ffc
JA		 3821
3822 sprintf(buf, "which %s > /dev/null", BC_APP);
3823 if (system(buf)) {
3824 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3825 return NULL;
3826 }
3827
d0c814ec 3828 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3829 f = popen(buf, "r");
3c3ed070 3830 if (!f)
892a6ffc 3831 return NULL;
892a6ffc 3832
d0c814ec 3833 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 3834 if (ret <= 0) {
3835 pclose(f);
892a6ffc 3836 return NULL;
1d824f37 3837 }
892a6ffc 3838
892a6ffc 3839 pclose(f);
d0c814ec
SL		 3840 buf[(tmp - str) + ret - 1] = '\0';
3841 memcpy(buf, str, tmp - str);
892a6ffc 3842 free(str);
d0c814ec
SL		 3843 return strdup(buf);
3844}
3845
3846/*
3847 * Return a copy of the input string with substrings of the form ${VARNAME}
3848 * substituted with the value of the environment variable VARNAME. The
3849 * substitution always occurs, even if VARNAME is empty or the corresponding
3850 * environment variable undefined.
3851 */
3852static char *option_dup_subs(const char *opt)
3853{
3854 char out[OPT_LEN_MAX+1];
3855 char in[OPT_LEN_MAX+1];
3856 char *outptr = out;
3857 char *inptr = in;
3858 char *ch1, *ch2, *env;
3859 ssize_t nchr = OPT_LEN_MAX;
3860 size_t envlen;
3861
3862 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3863 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3864 return NULL;
3865 }
3866
3867 in[OPT_LEN_MAX] = '\0';
3868 strncpy(in, opt, OPT_LEN_MAX);
3869
3870 while (*inptr && nchr > 0) {
3871 if (inptr[0] == '$' && inptr[1] == '{') {
3872 ch2 = strchr(inptr, '}');
3873 if (ch2 && inptr+1 < ch2) {
3874 ch1 = inptr+2;
3875 inptr = ch2+1;
3876 *ch2 = '\0';
3877
3878 env = getenv(ch1);
3879 if (env) {
3880 envlen = strlen(env);
3881 if (envlen <= nchr) {
3882 memcpy(outptr, env, envlen);
3883 outptr += envlen;
3884 nchr -= envlen;
3885 }
3886 }
3887
3888 continue;
3889 }
3890 }
3891
3892 *outptr++ = *inptr++;
3893 --nchr;
3894 }
3895
3896 *outptr = '\0';
3897 return strdup(out);
892a6ffc
JA		 3898}
3899
74929ac2
JA		 3900/*
3901 * Look for reserved variable names and replace them with real values
3902 */
3903static char *fio_keyword_replace(char *opt)
3904{
3905 char *s;
3906 int i;
d0c814ec 3907 int docalc = 0;
74929ac2
JA		 3908
3909 for (i = 0; fio_keywords[i].word != NULL; i++) {
3910 struct fio_keyword *kw = &fio_keywords[i];
3911
3912 while ((s = strstr(opt, kw->word)) != NULL) {
3913 char *new = malloc(strlen(opt) + 1);
3914 char *o_org = opt;
3915 int olen = s - opt;
3916 int len;
3917
3918 /*
3919 * Copy part of the string before the keyword and
3920 * sprintf() the replacement after it.
3921 */
3922 memcpy(new, opt, olen);
3923 len = sprintf(new + olen, "%s", kw->replace);
3924
3925 /*
3926 * If there's more in the original string, copy that
3927 * in too
3928 */
3929 opt += strlen(kw->word) + olen;
3930 if (strlen(opt))
3931 memcpy(new + olen + len, opt, opt - o_org - 1);
3932
3933 /*
3934 * replace opt and free the old opt
3935 */
3936 opt = new;
d0c814ec 3937 free(o_org);
7a958bd5 3938
d0c814ec 3939 docalc = 1;
74929ac2
JA		 3940 }
3941 }
3942
d0c814ec
SL		 3943 /*
3944 * Check for potential math and invoke bc, if possible
3945 */
3946 if (docalc)
3947 opt = bc_calc(opt);
3948
7a958bd5 3949 return opt;
74929ac2
JA		 3950}
3951
d0c814ec
SL		 3952static char **dup_and_sub_options(char **opts, int num_opts)
3953{
3954 int i;
3955 char **opts_copy = malloc(num_opts * sizeof(*opts));
3956 for (i = 0; i < num_opts; i++) {
3957 opts_copy[i] = option_dup_subs(opts[i]);
3958 if (!opts_copy[i])
3959 continue;
3960 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3961 }
3962 return opts_copy;
3963}
3964
e15b023b 3965static void show_closest_option(const char *opt)
a2d027b9
JA		 3966{
3967 int best_option, best_distance;
3968 int i, distance;
e15b023b
JA		 3969 char *name;
3970
3971 if (!strlen(opt))
3972 return;
3973
3974 name = strdup(opt);
3975 i = 0;
3976 while (name[i] != '\0' && name[i] != '=')
3977 i++;
3978 name[i] = '\0';
a2d027b9
JA		 3979
3980 best_option = -1;
3981 best_distance = INT_MAX;
3982 i = 0;
3983 while (fio_options[i].name) {
3984 distance = string_distance(name, fio_options[i].name);
3985 if (distance < best_distance) {
3986 best_distance = distance;
3987 best_option = i;
3988 }
3989 i++;
3990 }
3991
3992 if (best_option != -1)
3993 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 3994
3995 free(name);
a2d027b9
JA		 3996}
3997
292cc475
JA		 3998int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3999 int dump_cmdline)
214e1eca 4000{
de890a1e 4001 int i, ret, unknown;
d0c814ec 4002 char **opts_copy;
3b8b7135 4003
9af4a244 4004 sort_options(opts, fio_options, num_opts);
d0c814ec 4005 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4006
de890a1e
SL		 4007 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4008 struct fio_option *o;
9af4a244 4009 int newret = parse_option(opts_copy[i], opts[i], fio_options,
292cc475 4010 &o, td, dump_cmdline);
d0c814ec 4011
a8523a6a
JA		 4012 if (!newret && o)
4013 fio_option_mark_set(&td->o, o);
4014
de890a1e
SL		 4015 if (opts_copy[i]) {
4016 if (newret && !o) {
4017 unknown++;
4018 continue;
4019 }
d0c814ec 4020 free(opts_copy[i]);
de890a1e
SL		 4021 opts_copy[i] = NULL;
4022 }
4023
4024 ret |= newret;
4025 }
4026
4027 if (unknown) {
4028 ret |= ioengine_load(td);
4029 if (td->eo) {
4030 sort_options(opts_copy, td->io_ops->options, num_opts);
4031 opts = opts_copy;
4032 }
4033 for (i = 0; i < num_opts; i++) {
4034 struct fio_option *o = NULL;
4035 int newret = 1;
a2d027b9 4036
de890a1e
SL		 4037 if (!opts_copy[i])
4038 continue;
4039
4040 if (td->eo)
4041 newret = parse_option(opts_copy[i], opts[i],
4042 td->io_ops->options, &o,
292cc475 4043 td->eo, dump_cmdline);
de890a1e
SL		 4044
4045 ret |= newret;
a2d027b9 4046 if (!o) {
de890a1e 4047 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4048 show_closest_option(opts[i]);
4049 }
de890a1e
SL		 4050 free(opts_copy[i]);
4051 opts_copy[i] = NULL;
4052 }
74929ac2 4053 }
3b8b7135 4054
d0c814ec 4055 free(opts_copy);
3b8b7135 4056 return ret;
214e1eca
JA		 4057}
4058
4059int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4060{
a8523a6a
JA		 4061 int ret;
4062
4063 ret = parse_cmd_option(opt, val, fio_options, td);
4064 if (!ret) {
4065 struct fio_option *o;
4066
4067 o = find_option(fio_options, opt);
4068 if (o)
4069 fio_option_mark_set(&td->o, o);
4070 }
4071
4072 return ret;
214e1eca
JA		 4073}
4074
de890a1e
SL		 4075int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4076 char *val)
4077{
8a96c80e 4078 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
de890a1e
SL		 4079}
4080
214e1eca
JA		 4081void fio_fill_default_options(struct thread_data *td)
4082{
cb1402d6 4083 td->o.magic = OPT_MAGIC;
9af4a244 4084 fill_default_options(td, fio_options);
214e1eca
JA		 4085}
4086
4087int fio_show_option_help(const char *opt)
4088{
9af4a244 4089 return show_cmd_help(fio_options, opt);
214e1eca 4090}
d23bb327 4091
de890a1e 4092void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 4093{
de890a1e 4094 struct fio_option *o;
d23bb327 4095 char **ptr;
d23bb327 4096
de890a1e
SL		 4097 for (o = &options[0]; o->name; o++) {
4098 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 4099 continue;
4100
f0fdbcaf 4101 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 4102 if (*ptr)
4103 *ptr = strdup(*ptr);
d23bb327
JA		 4104 }
4105}
4106
de890a1e
SL		 4107/*
4108 * dupe FIO_OPT_STR_STORE options
4109 */
4110void fio_options_mem_dupe(struct thread_data *td)
4111{
9af4a244 4112 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 4113
4114 if (td->eo && td->io_ops) {
de890a1e 4115 void *oldeo = td->eo;
1647f592 4116
de890a1e
SL		 4117 td->eo = malloc(td->io_ops->option_struct_size);
4118 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4119 options_mem_dupe(td->eo, td->io_ops->options);
4120 }
4121}
4122
d6978a32
JA		 4123unsigned int fio_get_kb_base(void *data)
4124{
83ea422a 4125 struct thread_options *o = data;
d6978a32
JA		 4126 unsigned int kb_base = 0;
4127
cb1402d6
JA		 4128 /*
4129 * This is a hack... For private options, *data is not holding
4130 * a pointer to the thread_options, but to private data. This means
4131 * we can't safely dereference it, but magic is first so mem wise
4132 * it is valid. But this also means that if the job first sets
4133 * kb_base and expects that to be honored by private options,
4134 * it will be disappointed. We will return the global default
4135 * for this.
4136 */
4137 if (o && o->magic == OPT_MAGIC)
83ea422a 4138 kb_base = o->kb_base;
d6978a32
JA		 4139 if (!kb_base)
4140 kb_base = 1024;
4141
4142 return kb_base;
4143}
9f988e2e 4144
07b3232d 4145int add_option(struct fio_option *o)
9f988e2e 4146{
07b3232d
JA		 4147 struct fio_option *__o;
4148 int opt_index = 0;
4149
9af4a244 4150 __o = fio_options;
07b3232d
JA		 4151 while (__o->name) {
4152 opt_index++;
4153 __o++;
4154 }
4155
7b504edd
JA		 4156 if (opt_index + 1 == FIO_MAX_OPTS) {
4157 log_err("fio: FIO_MAX_OPTS is too small\n");
4158 return 1;
4159 }
4160
9af4a244 4161 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4162 fio_options[opt_index + 1].name = NULL;
07b3232d 4163 return 0;
9f988e2e 4164}
e2de69da 4165
07b3232d 4166void invalidate_profile_options(const char *prof_name)
e2de69da 4167{
07b3232d 4168 struct fio_option *o;
e2de69da 4169
9af4a244 4170 o = fio_options;
07b3232d
JA		 4171 while (o->name) {
4172 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4173 o->type = FIO_OPT_INVALID;
4174 o->prof_name = NULL;
4175 }
4176 o++;
e2de69da
JA		 4177 }
4178}
f5b6bb85
JA		 4179
4180void add_opt_posval(const char *optname, const char *ival, const char *help)
4181{
4182 struct fio_option *o;
4183 unsigned int i;
4184
9af4a244 4185 o = find_option(fio_options, optname);
f5b6bb85
JA		 4186 if (!o)
4187 return;
4188
4189 for (i = 0; i < PARSE_MAX_VP; i++) {
4190 if (o->posval[i].ival)
4191 continue;
4192
4193 o->posval[i].ival = ival;
4194 o->posval[i].help = help;
4195 break;
4196 }
4197}
4198
4199void del_opt_posval(const char *optname, const char *ival)
4200{
4201 struct fio_option *o;
4202 unsigned int i;
4203
9af4a244 4204 o = find_option(fio_options, optname);
f5b6bb85
JA		 4205 if (!o)
4206 return;
4207
4208 for (i = 0; i < PARSE_MAX_VP; i++) {
4209 if (!o->posval[i].ival)
4210 continue;
4211 if (strcmp(o->posval[i].ival, ival))
4212 continue;
4213
4214 o->posval[i].ival = NULL;
4215 o->posval[i].help = NULL;
4216 }
4217}
7e356b2d
JA		 4218
4219void fio_options_free(struct thread_data *td)
4220{
9af4a244 4221 options_free(fio_options, td);
de890a1e
SL		 4222 if (td->eo && td->io_ops && td->io_ops->options) {
4223 options_free(td->io_ops->options, td->eo);
4224 free(td->eo);
4225 td->eo = NULL;
4226 }
7e356b2d 4227}
c504ee55
JA		 4228
4229struct fio_option *fio_option_find(const char *name)
4230{
4231 return find_option(fio_options, name);
4232}
4233
f0e7f45a
JA		 4234static struct fio_option *find_next_opt(struct thread_options *o,
4235 struct fio_option *from,
4236 unsigned int off1)
a8523a6a 4237{
f0e7f45a 4238 struct fio_option *opt;
a8523a6a 4239
f0e7f45a
JA		 4240 if (!from)
4241 from = &fio_options[0];
4242 else
4243 from++;
4244
4245 opt = NULL;
4246 do {
4247 if (off1 == from->off1) {
4248 opt = from;
a8523a6a
JA		 4249 break;
4250 }
f0e7f45a
JA		 4251 from++;
4252 } while (from->name);
a8523a6a 4253
f0e7f45a
JA		 4254 return opt;
4255}
4256
4257static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4258{
4259 unsigned int opt_off, index, offset;
a8523a6a
JA		 4260
4261 opt_off = opt - &fio_options[0];
4262 index = opt_off / (8 * sizeof(uint64_t));
4263 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4264 return (o->set_options[index] & (1UL << offset)) != 0;
4265}
4266
f0e7f45a
JA		 4267int __fio_option_is_set(struct thread_options *o, unsigned int off1)
4268{
4269 struct fio_option *opt, *next;
4270
4271 next = NULL;
4272 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4273 if (opt_is_set(o, opt))
4274 return 1;
4275
4276 next = opt;
4277 }
4278
4279 return 0;
4280}
4281
a8523a6a
JA		 4282void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4283{
4284 unsigned int opt_off, index, offset;
4285
4286 opt_off = opt - &fio_options[0];
4287 index = opt_off / (8 * sizeof(uint64_t));
4288 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4289 o->set_options[index] |= 1UL << offset;
4290}
fio - Flexible IO Tester