options: strip off =optval when matching
[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
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118 i++;
119 }
120
83ea422a 121 o->bssplit_nr[ddir] = i;
564ca972
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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
JA
455
456 td->o.cpumask_set = 1;
457 return 0;
214e1eca
JA
458}
459
e8462bd8
JA
460static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
461 const char *input)
214e1eca 462{
d2e268b0 463 char *cpu, *str, *p;
b03daafb 464 long max_cpu;
19608d6c 465 int ret = 0;
d2e268b0 466
e8462bd8 467 ret = fio_cpuset_init(mask);
d2ce18b5
JA
468 if (ret < 0) {
469 log_err("fio: cpuset_init failed\n");
470 td_verror(td, ret, "fio_cpuset_init");
471 return 1;
472 }
d2e268b0
JA
473
474 p = str = strdup(input);
214e1eca 475
d2e268b0
JA
476 strip_blank_front(&str);
477 strip_blank_end(str);
478
c00a2289 479 max_cpu = cpus_online();
b03daafb 480
d2e268b0 481 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA
482 char *str2, *cpu2;
483 int icpu, icpu2;
484
d2e268b0
JA
485 if (!strlen(cpu))
486 break;
62a7273d
JA
487
488 str2 = cpu;
489 icpu2 = -1;
490 while ((cpu2 = strsep(&str2, "-")) != NULL) {
491 if (!strlen(cpu2))
492 break;
493
494 icpu2 = atoi(cpu2);
495 }
496
497 icpu = atoi(cpu);
498 if (icpu2 == -1)
499 icpu2 = icpu;
500 while (icpu <= icpu2) {
6d459ee7 501 if (icpu >= FIO_MAX_CPUS) {
19608d6c 502 log_err("fio: your OS only supports up to"
6d459ee7 503 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA
504 ret = 1;
505 break;
506 }
b03daafb
JA
507 if (icpu > max_cpu) {
508 log_err("fio: CPU %d too large (max=%ld)\n",
509 icpu, max_cpu);
510 ret = 1;
511 break;
512 }
0b9d69ec 513
62a7273d 514 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 515 fio_cpu_set(mask, icpu);
62a7273d
JA
516 icpu++;
517 }
19608d6c
JA
518 if (ret)
519 break;
d2e268b0
JA
520 }
521
522 free(p);
19608d6c
JA
523 if (!ret)
524 td->o.cpumask_set = 1;
525 return ret;
214e1eca 526}
e8462bd8
JA
527
528static int str_cpus_allowed_cb(void *data, const char *input)
529{
530 struct thread_data *td = data;
531 int ret;
532
52c0cea3
JA
533 if (parse_dryrun())
534 return 0;
535
e8462bd8
JA
536 ret = set_cpus_allowed(td, &td->o.cpumask, input);
537 if (!ret)
538 td->o.cpumask_set = 1;
539
540 return ret;
541}
542
543static int str_verify_cpus_allowed_cb(void *data, const char *input)
544{
545 struct thread_data *td = data;
546 int ret;
547
548 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
549 if (!ret)
550 td->o.verify_cpumask_set = 1;
551
552 return ret;
553}
d2e268b0 554#endif
214e1eca 555
67bf9823 556#ifdef CONFIG_LIBNUMA
d0b937ed
YR
557static int str_numa_cpunodes_cb(void *data, char *input)
558{
559 struct thread_data *td = data;
43522848 560 struct bitmask *verify_bitmask;
d0b937ed 561
52c0cea3
JA
562 if (parse_dryrun())
563 return 0;
564
d0b937ed
YR
565 /* numa_parse_nodestring() parses a character string list
566 * of nodes into a bit mask. The bit mask is allocated by
567 * numa_allocate_nodemask(), so it should be freed by
568 * numa_free_nodemask().
569 */
43522848
DG
570 verify_bitmask = numa_parse_nodestring(input);
571 if (verify_bitmask == NULL) {
d0b937ed
YR
572 log_err("fio: numa_parse_nodestring failed\n");
573 td_verror(td, 1, "str_numa_cpunodes_cb");
574 return 1;
575 }
43522848 576 numa_free_nodemask(verify_bitmask);
d0b937ed 577
43522848 578 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR
579 td->o.numa_cpumask_set = 1;
580 return 0;
581}
582
583static int str_numa_mpol_cb(void *data, char *input)
584{
585 struct thread_data *td = data;
586 const char * const policy_types[] =
05d6f44b 587 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 588 int i;
52c0cea3 589 char *nodelist;
43522848 590 struct bitmask *verify_bitmask;
52c0cea3
JA
591
592 if (parse_dryrun())
593 return 0;
d0b937ed 594
52c0cea3 595 nodelist = strchr(input, ':');
d0b937ed
YR
596 if (nodelist) {
597 /* NUL-terminate mode */
598 *nodelist++ = '\0';
599 }
600
601 for (i = 0; i <= MPOL_LOCAL; i++) {
602 if (!strcmp(input, policy_types[i])) {
603 td->o.numa_mem_mode = i;
604 break;
605 }
606 }
607 if (i > MPOL_LOCAL) {
608 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
609 goto out;
610 }
611
612 switch (td->o.numa_mem_mode) {
613 case MPOL_PREFERRED:
614 /*
615 * Insist on a nodelist of one node only
616 */
617 if (nodelist) {
618 char *rest = nodelist;
619 while (isdigit(*rest))
620 rest++;
621 if (*rest) {
622 log_err("fio: one node only for \'prefer\'\n");
623 goto out;
624 }
625 } else {
626 log_err("fio: one node is needed for \'prefer\'\n");
627 goto out;
628 }
629 break;
630 case MPOL_INTERLEAVE:
631 /*
632 * Default to online nodes with memory if no nodelist
633 */
634 if (!nodelist)
635 nodelist = strdup("all");
636 break;
637 case MPOL_LOCAL:
638 case MPOL_DEFAULT:
639 /*
640 * Don't allow a nodelist
641 */
642 if (nodelist) {
643 log_err("fio: NO nodelist for \'local\'\n");
644 goto out;
645 }
646 break;
647 case MPOL_BIND:
648 /*
649 * Insist on a nodelist
650 */
651 if (!nodelist) {
652 log_err("fio: a nodelist is needed for \'bind\'\n");
653 goto out;
654 }
655 break;
656 }
657
658
659 /* numa_parse_nodestring() parses a character string list
660 * of nodes into a bit mask. The bit mask is allocated by
661 * numa_allocate_nodemask(), so it should be freed by
662 * numa_free_nodemask().
663 */
664 switch (td->o.numa_mem_mode) {
665 case MPOL_PREFERRED:
666 td->o.numa_mem_prefer_node = atoi(nodelist);
667 break;
668 case MPOL_INTERLEAVE:
669 case MPOL_BIND:
43522848
DG
670 verify_bitmask = numa_parse_nodestring(nodelist);
671 if (verify_bitmask == NULL) {
d0b937ed
YR
672 log_err("fio: numa_parse_nodestring failed\n");
673 td_verror(td, 1, "str_numa_memnodes_cb");
674 return 1;
675 }
43522848
DG
676 td->o.numa_memnodes = strdup(nodelist);
677 numa_free_nodemask(verify_bitmask);
b74e419e 678
d0b937ed
YR
679 break;
680 case MPOL_LOCAL:
681 case MPOL_DEFAULT:
682 default:
683 break;
684 }
685
686 td->o.numa_memmask_set = 1;
687 return 0;
688
689out:
690 return 1;
691}
692#endif
693
214e1eca
JA
694static int str_fst_cb(void *data, const char *str)
695{
696 struct thread_data *td = data;
697 char *nr = get_opt_postfix(str);
698
699 td->file_service_nr = 1;
182ec6ee 700 if (nr) {
214e1eca 701 td->file_service_nr = atoi(nr);
182ec6ee
JA
702 free(nr);
703 }
214e1eca
JA
704
705 return 0;
706}
707
67bf9823 708#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
709static int str_sfr_cb(void *data, const char *str)
710{
711 struct thread_data *td = data;
712 char *nr = get_opt_postfix(str);
713
714 td->sync_file_range_nr = 1;
715 if (nr) {
716 td->sync_file_range_nr = atoi(nr);
717 free(nr);
718 }
719
720 return 0;
721}
3ae06371 722#endif
44f29692 723
e25839d4
JA
724static int str_random_distribution_cb(void *data, const char *str)
725{
726 struct thread_data *td = data;
727 double val;
728 char *nr;
729
52c0cea3
JA
730 if (parse_dryrun())
731 return 0;
732
925fee33
JA
733 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
734 val = 1.1;
735 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
736 val = 0.2;
737 else
e25839d4
JA
738 return 0;
739
740 nr = get_opt_postfix(str);
88038bc7 741 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA
742 log_err("fio: random postfix parsing failed\n");
743 free(nr);
744 return 1;
745 }
746
078189c1
JA
747 free(nr);
748
18ded917
JA
749 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
750 if (val == 1.00) {
751 log_err("fio: zipf theta must different than 1.0\n");
752 return 1;
753 }
1e5324e7 754 td->o.zipf_theta.u.f = val;
18ded917 755 } else {
078189c1
JA
756 if (val <= 0.00 || val >= 1.00) {
757 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
758 return 1;
759 }
1e5324e7 760 td->o.pareto_h.u.f = val;
fcef0b35 761 }
921c766f
JA
762
763 return 0;
764}
765
8e827d35 766/*
bcbfeefa 767 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA
768 * is escaped with a '\', then that ':' is part of the filename and does not
769 * indicate a new file.
770 */
bcbfeefa 771static char *get_next_name(char **ptr)
8e827d35
JA
772{
773 char *str = *ptr;
774 char *p, *start;
775
776 if (!str || !strlen(str))
777 return NULL;
778
779 start = str;
780 do {
781 /*
782 * No colon, we are done
783 */
784 p = strchr(str, ':');
785 if (!p) {
786 *ptr = NULL;
787 break;
788 }
789
790 /*
791 * We got a colon, but it's the first character. Skip and
792 * continue
793 */
794 if (p == start) {
795 str = ++start;
796 continue;
797 }
798
799 if (*(p - 1) != '\\') {
800 *p = '\0';
801 *ptr = p + 1;
802 break;
803 }
804
805 memmove(p - 1, p, strlen(p) + 1);
806 str = p;
807 } while (1);
808
809 return start;
810}
811
bcbfeefa
CE
812
813static int get_max_name_idx(char *input)
814{
815 unsigned int cur_idx;
816 char *str, *p;
817
818 p = str = strdup(input);
819 for (cur_idx = 0; ; cur_idx++)
820 if (get_next_name(&str) == NULL)
821 break;
822
823 free(p);
824 return cur_idx;
825}
826
827/*
828 * Returns the directory at the index, indexes > entires will be
829 * assigned via modulo division of the index
830 */
831int set_name_idx(char *target, char *input, int index)
832{
833 unsigned int cur_idx;
834 int len;
835 char *fname, *str, *p;
836
837 p = str = strdup(input);
838
839 index %= get_max_name_idx(input);
840 for (cur_idx = 0; cur_idx <= index; cur_idx++)
841 fname = get_next_name(&str);
842
843 len = sprintf(target, "%s/", fname);
844 free(p);
845
846 return len;
847}
848
214e1eca
JA
849static int str_filename_cb(void *data, const char *input)
850{
851 struct thread_data *td = data;
852 char *fname, *str, *p;
853
854 p = str = strdup(input);
855
856 strip_blank_front(&str);
857 strip_blank_end(str);
858
859 if (!td->files_index)
2dc1bbeb 860 td->o.nr_files = 0;
214e1eca 861
bcbfeefa 862 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA
863 if (!strlen(fname))
864 break;
5903e7b7 865 add_file(td, fname, 0, 1);
214e1eca
JA
866 }
867
868 free(p);
869 return 0;
870}
871
bcbfeefa 872static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA
873{
874 struct thread_data *td = data;
875 struct stat sb;
bcbfeefa
CE
876 char *dirname, *str, *p;
877 int ret = 0;
214e1eca 878
f9633d72
JA
879 if (parse_dryrun())
880 return 0;
881
bcbfeefa
CE
882 p = str = strdup(td->o.directory);
883 while ((dirname = get_next_name(&str)) != NULL) {
884 if (lstat(dirname, &sb) < 0) {
885 ret = errno;
921c766f 886
bcbfeefa
CE
887 log_err("fio: %s is not a directory\n", dirname);
888 td_verror(td, ret, "lstat");
889 goto out;
890 }
891 if (!S_ISDIR(sb.st_mode)) {
892 log_err("fio: %s is not a directory\n", dirname);
893 ret = 1;
894 goto out;
895 }
214e1eca
JA
896 }
897
bcbfeefa
CE
898out:
899 free(p);
900 return ret;
214e1eca
JA
901}
902
f2a2803a
JA
903static int str_lockfile_cb(void *data, const char fio_unused *str)
904{
905 struct thread_data *td = data;
906
907 if (td->files_index) {
908 log_err("fio: lockfile= option must precede filename=\n");
909 return 1;
910 }
911
912 return 0;
913}
914
214e1eca
JA
915static int str_opendir_cb(void *data, const char fio_unused *str)
916{
917 struct thread_data *td = data;
918
52c0cea3
JA
919 if (parse_dryrun())
920 return 0;
921
214e1eca 922 if (!td->files_index)
2dc1bbeb 923 td->o.nr_files = 0;
214e1eca 924
2dc1bbeb 925 return add_dir_files(td, td->o.opendir);
214e1eca
JA
926}
927
ce35b1ec
JA
928static int pattern_cb(char *pattern, unsigned int max_size,
929 const char *input, unsigned int *pattern_bytes)
90059d65 930{
0e92f873 931 long off;
ce35b1ec
JA
932 int i = 0, j = 0, len, k, base = 10;
933 uint32_t pattern_length;
3c3ed070 934 char *loc1, *loc2;
0e92f873 935
02975b64
JA
936 /*
937 * Check if it's a string input
938 */
939 loc1 = strchr(input, '\"');
940 if (loc1) {
941 do {
942 loc1++;
943 if (*loc1 == '\0' || *loc1 == '\"')
944 break;
945
946 pattern[i] = *loc1;
947 i++;
948 } while (i < max_size);
949
950 if (!i)
951 return 1;
952
953 goto fill;
954 }
955
956 /*
957 * No string, find out if it's decimal or hexidecimal
958 */
0e92f873
RR
959 loc1 = strstr(input, "0x");
960 loc2 = strstr(input, "0X");
961 if (loc1 || loc2)
962 base = 16;
963 off = strtol(input, NULL, base);
964 if (off != LONG_MAX || errno != ERANGE) {
965 while (off) {
ce35b1ec 966 pattern[i] = off & 0xff;
0e92f873
RR
967 off >>= 8;
968 i++;
969 }
970 } else {
971 len = strlen(input);
972 k = len - 1;
973 if (base == 16) {
974 if (loc1)
975 j = loc1 - input + 2;
976 else
977 j = loc2 - input + 2;
978 } else
979 return 1;
ce35b1ec 980 if (len - j < max_size * 2) {
0e92f873
RR
981 while (k >= j) {
982 off = converthexchartoint(input[k--]);
983 if (k >= j)
984 off += (converthexchartoint(input[k--])
985 * 16);
ce35b1ec 986 pattern[i++] = (char) off;
0e92f873
RR
987 }
988 }
989 }
efcd9dcc
SL
990
991 /*
992 * Fill the pattern all the way to the end. This greatly reduces
993 * the number of memcpy's we have to do when verifying the IO.
994 */
02975b64 995fill:
e078de4a 996 pattern_length = i;
ce35b1ec
JA
997 while (i > 1 && i * 2 <= max_size) {
998 memcpy(&pattern[i], &pattern[0], i);
efcd9dcc
SL
999 i *= 2;
1000 }
e078de4a
JA
1001
1002 /*
1003 * Fill remainder, if the pattern multiple ends up not being
ce35b1ec 1004 * max_size.
e078de4a 1005 */
ce35b1ec
JA
1006 while (i > 1 && i < max_size) {
1007 unsigned int b = min(pattern_length, max_size - i);
e078de4a 1008
ce35b1ec 1009 memcpy(&pattern[i], &pattern[0], b);
e078de4a
JA
1010 i += b;
1011 }
1012
9a2a86d0
SL
1013 if (i == 1) {
1014 /*
d2ba0d7c
JA
1015 * The code in verify_io_u_pattern assumes a single byte
1016 * pattern fills the whole verify pattern buffer.
9a2a86d0 1017 */
ce35b1ec
JA
1018 memset(pattern, pattern[0], max_size);
1019 }
1020
1021 *pattern_bytes = i;
1022 return 0;
1023}
1024
1025static int str_buffer_pattern_cb(void *data, const char *input)
1026{
1027 struct thread_data *td = data;
1028 int ret;
1029
1030 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
1031 &td->o.buffer_pattern_bytes);
1032
d2ba0d7c 1033 if (!ret && td->o.buffer_pattern_bytes) {
3397806e
JA
1034 if (!td->o.compress_percentage)
1035 td->o.refill_buffers = 0;
ce35b1ec
JA
1036 td->o.scramble_buffers = 0;
1037 td->o.zero_buffers = 0;
d2ba0d7c
JA
1038 } else {
1039 log_err("fio: failed parsing pattern `%s`\n", input);
1040 ret = 1;
9a2a86d0 1041 }
efcd9dcc 1042
ce35b1ec
JA
1043 return ret;
1044}
1045
bedc9dc2
JA
1046static int str_buffer_compress_cb(void *data, unsigned long long *il)
1047{
1048 struct thread_data *td = data;
1049
1050 td->flags |= TD_F_COMPRESS;
1051 td->o.compress_percentage = *il;
1052 return 0;
1053}
1054
5c94b008
JA
1055static int str_dedupe_cb(void *data, unsigned long long *il)
1056{
1057 struct thread_data *td = data;
1058
1059 td->flags |= TD_F_COMPRESS;
1060 td->o.dedupe_percentage = *il;
1061 td->o.refill_buffers = 1;
1062 return 0;
1063}
1064
ce35b1ec
JA
1065static int str_verify_pattern_cb(void *data, const char *input)
1066{
1067 struct thread_data *td = data;
1068 int ret;
1069
1070 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1071 &td->o.verify_pattern_bytes);
efcd9dcc 1072
92bf48d5
JA
1073 /*
1074 * VERIFY_META could already be set
1075 */
ce35b1ec 1076 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 1077 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1078
ce35b1ec 1079 return ret;
90059d65 1080}
214e1eca 1081
993bf48b
JA
1082static int str_gtod_reduce_cb(void *data, int *il)
1083{
1084 struct thread_data *td = data;
1085 int val = *il;
1086
02af0988 1087 td->o.disable_lat = !!val;
993bf48b
JA
1088 td->o.disable_clat = !!val;
1089 td->o.disable_slat = !!val;
1090 td->o.disable_bw = !!val;
0dc1bc03 1091 td->o.clat_percentiles = !val;
993bf48b
JA
1092 if (val)
1093 td->tv_cache_mask = 63;
1094
1095 return 0;
1096}
1097
85bc833b 1098static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA
1099{
1100 struct thread_data *td = data;
1101 int val = *il;
1102
1103 td->o.gtod_cpu = val;
1104 td->o.gtod_offload = 1;
1105 return 0;
1106}
1107
7bb59102
JA
1108static int str_size_cb(void *data, unsigned long long *__val)
1109{
1110 struct thread_data *td = data;
1111 unsigned long long v = *__val;
1112
1113 if (parse_is_percent(v)) {
1114 td->o.size = 0;
1115 td->o.size_percent = -1ULL - v;
1116 } else
1117 td->o.size = v;
1118
1119 return 0;
1120}
1121
896cac2a
JA
1122static int rw_verify(struct fio_option *o, void *data)
1123{
1124 struct thread_data *td = data;
1125
1126 if (read_only && td_write(td)) {
1127 log_err("fio: job <%s> has write bit set, but fio is in"
1128 " read-only mode\n", td->o.name);
1129 return 1;
1130 }
1131
1132 return 0;
1133}
1134
276ca4f7 1135static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1136{
276ca4f7 1137#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA
1138 struct thread_data *td = data;
1139
29d43ff9
JA
1140 if (td->o.gtod_cpu) {
1141 log_err("fio: platform must support CPU affinity for"
1142 "gettimeofday() offloading\n");
1143 return 1;
1144 }
1145#endif
1146
1147 return 0;
1148}
1149
9af4a244
JA
1150/*
1151 * Option grouping
1152 */
1153static struct opt_group fio_opt_groups[] = {
1154 {
e8b0e958
JA
1155 .name = "General",
1156 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA
1157 },
1158 {
e8b0e958
JA
1159 .name = "I/O",
1160 .mask = FIO_OPT_C_IO,
9af4a244
JA
1161 },
1162 {
e8b0e958
JA
1163 .name = "File",
1164 .mask = FIO_OPT_C_FILE,
9af4a244
JA
1165 },
1166 {
e8b0e958
JA
1167 .name = "Statistics",
1168 .mask = FIO_OPT_C_STAT,
9af4a244
JA
1169 },
1170 {
e8b0e958
JA
1171 .name = "Logging",
1172 .mask = FIO_OPT_C_LOG,
9af4a244 1173 },
13fca827
JA
1174 {
1175 .name = "Profiles",
1176 .mask = FIO_OPT_C_PROFILE,
1177 },
e231bbe6 1178 {
e8b0e958 1179 .name = NULL,
e231bbe6 1180 },
e8b0e958
JA
1181};
1182
1183static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1184 unsigned int inv_mask)
1185{
1186 struct opt_group *og;
1187 int i;
1188
1189 if (*mask == inv_mask || !*mask)
1190 return NULL;
1191
1192 for (i = 0; ogs[i].name; i++) {
1193 og = &ogs[i];
1194
1195 if (*mask & og->mask) {
1196 *mask &= ~(og->mask);
1197 return og;
1198 }
1199 }
1200
1201 return NULL;
1202}
1203
1204struct opt_group *opt_group_from_mask(unsigned int *mask)
1205{
1206 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1207}
1208
1209static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA
1210 {
1211 .name = "Latency profiling",
1212 .mask = FIO_OPT_G_LATPROF,
1213 },
9af4a244 1214 {
e8b0e958
JA
1215 .name = "Rate",
1216 .mask = FIO_OPT_G_RATE,
9af4a244
JA
1217 },
1218 {
e8b0e958
JA
1219 .name = "Zone",
1220 .mask = FIO_OPT_G_ZONE,
9af4a244
JA
1221 },
1222 {
e8b0e958
JA
1223 .name = "Read/write mix",
1224 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA
1225 },
1226 {
1227 .name = "Verify",
1228 .mask = FIO_OPT_G_VERIFY,
1229 },
1230 {
e8b0e958
JA
1231 .name = "Trim",
1232 .mask = FIO_OPT_G_TRIM,
9af4a244
JA
1233 },
1234 {
e8b0e958
JA
1235 .name = "I/O Logging",
1236 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA
1237 },
1238 {
e8b0e958
JA
1239 .name = "I/O Depth",
1240 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA
1241 },
1242 {
e8b0e958
JA
1243 .name = "I/O Flow",
1244 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1245 },
0626037e
JA
1246 {
1247 .name = "Description",
1248 .mask = FIO_OPT_G_DESC,
1249 },
1250 {
1251 .name = "Filename",
1252 .mask = FIO_OPT_G_FILENAME,
1253 },
1254 {
1255 .name = "General I/O",
1256 .mask = FIO_OPT_G_IO_BASIC,
1257 },
a1f6afec
JA
1258 {
1259 .name = "Cgroups",
1260 .mask = FIO_OPT_G_CGROUP,
1261 },
1262 {
1263 .name = "Runtime",
1264 .mask = FIO_OPT_G_RUNTIME,
1265 },
10860056
JA
1266 {
1267 .name = "Process",
1268 .mask = FIO_OPT_G_PROCESS,
1269 },
1270 {
1271 .name = "Job credentials / priority",
1272 .mask = FIO_OPT_G_CRED,
1273 },
1274 {
1275 .name = "Clock settings",
1276 .mask = FIO_OPT_G_CLOCK,
1277 },
3ceb458f
JA
1278 {
1279 .name = "I/O Type",
1280 .mask = FIO_OPT_G_IO_TYPE,
1281 },
1282 {
1283 .name = "I/O Thinktime",
1284 .mask = FIO_OPT_G_THINKTIME,
1285 },
1286 {
1287 .name = "Randomizations",
1288 .mask = FIO_OPT_G_RANDOM,
1289 },
1290 {
1291 .name = "I/O buffers",
1292 .mask = FIO_OPT_G_IO_BUF,
1293 },
13fca827
JA
1294 {
1295 .name = "Tiobench profile",
1296 .mask = FIO_OPT_G_TIOBENCH,
1297 },
1298
9af4a244
JA
1299 {
1300 .name = NULL,
e8b0e958 1301 }
9af4a244
JA
1302};
1303
e8b0e958 1304struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1305{
e8b0e958 1306 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA
1307}
1308
214e1eca
JA
1309/*
1310 * Map of job/command line options
1311 */
9af4a244 1312struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA
1313 {
1314 .name = "description",
e8b0e958 1315 .lname = "Description of job",
214e1eca
JA
1316 .type = FIO_OPT_STR_STORE,
1317 .off1 = td_var_offset(description),
1318 .help = "Text job description",
e8b0e958 1319 .category = FIO_OPT_C_GENERAL,
0626037e 1320 .group = FIO_OPT_G_DESC,
214e1eca
JA
1321 },
1322 {
1323 .name = "name",
e8b0e958 1324 .lname = "Job name",
214e1eca
JA
1325 .type = FIO_OPT_STR_STORE,
1326 .off1 = td_var_offset(name),
1327 .help = "Name of this job",
e8b0e958 1328 .category = FIO_OPT_C_GENERAL,
0626037e 1329 .group = FIO_OPT_G_DESC,
214e1eca 1330 },
214e1eca
JA
1331 {
1332 .name = "filename",
e8b0e958 1333 .lname = "Filename(s)",
214e1eca
JA
1334 .type = FIO_OPT_STR_STORE,
1335 .off1 = td_var_offset(filename),
1336 .cb = str_filename_cb,
f0d524b0 1337 .prio = -1, /* must come after "directory" */
214e1eca 1338 .help = "File(s) to use for the workload",
e8b0e958 1339 .category = FIO_OPT_C_FILE,
0626037e 1340 .group = FIO_OPT_G_FILENAME,
214e1eca 1341 },
90fef2d1 1342 {
e8b0e958
JA
1343 .name = "directory",
1344 .lname = "Directory",
1345 .type = FIO_OPT_STR_STORE,
1346 .off1 = td_var_offset(directory),
1347 .cb = str_directory_cb,
1348 .help = "Directory to store files in",
1349 .category = FIO_OPT_C_FILE,
0626037e 1350 .group = FIO_OPT_G_FILENAME,
90fef2d1 1351 },
de98bd30
JA
1352 {
1353 .name = "filename_format",
1354 .type = FIO_OPT_STR_STORE,
1355 .off1 = td_var_offset(filename_format),
1356 .prio = -1, /* must come after "directory" */
1357 .help = "Override default $jobname.$jobnum.$filenum naming",
1358 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA
1359 .category = FIO_OPT_C_FILE,
1360 .group = FIO_OPT_G_FILENAME,
ad705bcb 1361 },
29c1349f
JA
1362 {
1363 .name = "lockfile",
e8b0e958 1364 .lname = "Lockfile",
4d4e80f2 1365 .type = FIO_OPT_STR,
4d4e80f2 1366 .off1 = td_var_offset(file_lock_mode),
29c1349f 1367 .help = "Lock file when doing IO to it",
bc6a0a5d 1368 .prio = 1,
29c1349f 1369 .parent = "filename",
d71c154c 1370 .hide = 0,
4d4e80f2 1371 .def = "none",
f2a2803a 1372 .cb = str_lockfile_cb,
e8b0e958 1373 .category = FIO_OPT_C_FILE,
0626037e 1374 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA
1375 .posval = {
1376 { .ival = "none",
1377 .oval = FILE_LOCK_NONE,
1378 .help = "No file locking",
1379 },
1380 { .ival = "exclusive",
1381 .oval = FILE_LOCK_EXCLUSIVE,
1382 .help = "Exclusive file lock",
1383 },
1384 {
1385 .ival = "readwrite",
1386 .oval = FILE_LOCK_READWRITE,
1387 .help = "Read vs write lock",
1388 },
1389 },
29c1349f 1390 },
214e1eca
JA
1391 {
1392 .name = "opendir",
e8b0e958 1393 .lname = "Open directory",
214e1eca
JA
1394 .type = FIO_OPT_STR_STORE,
1395 .off1 = td_var_offset(opendir),
1396 .cb = str_opendir_cb,
1397 .help = "Recursively add files from this directory and down",
e8b0e958 1398 .category = FIO_OPT_C_FILE,
0626037e 1399 .group = FIO_OPT_G_FILENAME,
214e1eca
JA
1400 },
1401 {
1402 .name = "rw",
e8b0e958 1403 .lname = "Read/write",
d3aad8f2 1404 .alias = "readwrite",
214e1eca 1405 .type = FIO_OPT_STR,
211097b2 1406 .cb = str_rw_cb,
214e1eca
JA
1407 .off1 = td_var_offset(td_ddir),
1408 .help = "IO direction",
1409 .def = "read",
896cac2a 1410 .verify = rw_verify,
e8b0e958 1411 .category = FIO_OPT_C_IO,
0626037e 1412 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1413 .posval = {
1414 { .ival = "read",
1415 .oval = TD_DDIR_READ,
1416 .help = "Sequential read",
1417 },
1418 { .ival = "write",
1419 .oval = TD_DDIR_WRITE,
1420 .help = "Sequential write",
1421 },
6eaf09d6
SL
1422 { .ival = "trim",
1423 .oval = TD_DDIR_TRIM,
1424 .help = "Sequential trim",
1425 },
214e1eca
JA
1426 { .ival = "randread",
1427 .oval = TD_DDIR_RANDREAD,
1428 .help = "Random read",
1429 },
1430 { .ival = "randwrite",
1431 .oval = TD_DDIR_RANDWRITE,
1432 .help = "Random write",
1433 },
6eaf09d6
SL
1434 { .ival = "randtrim",
1435 .oval = TD_DDIR_RANDTRIM,
1436 .help = "Random trim",
1437 },
214e1eca
JA
1438 { .ival = "rw",
1439 .oval = TD_DDIR_RW,
1440 .help = "Sequential read and write mix",
1441 },
10b023db
JA
1442 { .ival = "readwrite",
1443 .oval = TD_DDIR_RW,
1444 .help = "Sequential read and write mix",
1445 },
214e1eca
JA
1446 { .ival = "randrw",
1447 .oval = TD_DDIR_RANDRW,
1448 .help = "Random read and write mix"
1449 },
1450 },
1451 },
38dad62d
JA
1452 {
1453 .name = "rw_sequencer",
e8b0e958 1454 .lname = "RW Sequencer",
38dad62d
JA
1455 .type = FIO_OPT_STR,
1456 .off1 = td_var_offset(rw_seq),
1457 .help = "IO offset generator modifier",
1458 .def = "sequential",
e8b0e958 1459 .category = FIO_OPT_C_IO,
0626037e 1460 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA
1461 .posval = {
1462 { .ival = "sequential",
1463 .oval = RW_SEQ_SEQ,
1464 .help = "Generate sequential offsets",
1465 },
1466 { .ival = "identical",
1467 .oval = RW_SEQ_IDENT,
1468 .help = "Generate identical offsets",
1469 },
1470 },
1471 },
1472
214e1eca
JA
1473 {
1474 .name = "ioengine",
e8b0e958 1475 .lname = "IO Engine",
214e1eca
JA
1476 .type = FIO_OPT_STR_STORE,
1477 .off1 = td_var_offset(ioengine),
1478 .help = "IO engine to use",
58483fa4 1479 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1480 .category = FIO_OPT_C_IO,
0626037e 1481 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1482 .posval = {
1483 { .ival = "sync",
1484 .help = "Use read/write",
1485 },
a31041ea 1486 { .ival = "psync",
1487 .help = "Use pread/pwrite",
1488 },
1d2af02a 1489 { .ival = "vsync",
03e20d68 1490 .help = "Use readv/writev",
1d2af02a 1491 },
07fc0acd
JA
1492#ifdef CONFIG_PWRITEV
1493 { .ival = "pvsync",
1494 .help = "Use preadv/pwritev",
1495 },
1496#endif
67bf9823 1497#ifdef CONFIG_LIBAIO
214e1eca
JA
1498 { .ival = "libaio",
1499 .help = "Linux native asynchronous IO",
1500 },
1501#endif
67bf9823 1502#ifdef CONFIG_POSIXAIO
214e1eca
JA
1503 { .ival = "posixaio",
1504 .help = "POSIX asynchronous IO",
1505 },
417f0068 1506#endif
997843cb 1507#ifdef CONFIG_SOLARISAIO
417f0068
JA
1508 { .ival = "solarisaio",
1509 .help = "Solaris native asynchronous IO",
1510 },
214e1eca 1511#endif
4700b234 1512#ifdef CONFIG_WINDOWSAIO
03e20d68 1513 { .ival = "windowsaio",
3be80071 1514 .help = "Windows native asynchronous IO"
de890a1e 1515 },
fc5c0345
DG
1516#endif
1517#ifdef CONFIG_RBD
1518 { .ival = "rbd",
1519 .help = "Rados Block Device asynchronous IO"
1520 },
3be80071 1521#endif
214e1eca 1522 { .ival = "mmap",
03e20d68 1523 .help = "Memory mapped IO"
214e1eca 1524 },
67bf9823 1525#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA
1526 { .ival = "splice",
1527 .help = "splice/vmsplice based IO",
1528 },
9cce02e8
JA
1529 { .ival = "netsplice",
1530 .help = "splice/vmsplice to/from the network",
1531 },
214e1eca
JA
1532#endif
1533#ifdef FIO_HAVE_SGIO
1534 { .ival = "sg",
1535 .help = "SCSI generic v3 IO",
1536 },
1537#endif
1538 { .ival = "null",
1539 .help = "Testing engine (no data transfer)",
1540 },
1541 { .ival = "net",
1542 .help = "Network IO",
1543 },
214e1eca 1544 { .ival = "cpuio",
03e20d68 1545 .help = "CPU cycle burner engine",
214e1eca 1546 },
67bf9823 1547#ifdef CONFIG_GUASI
b8c82a46
JA
1548 { .ival = "guasi",
1549 .help = "GUASI IO engine",
1550 },
79a43187
JA
1551#endif
1552#ifdef FIO_HAVE_BINJECT
1553 { .ival = "binject",
1554 .help = "binject direct inject block engine",
1555 },
21b8aee8 1556#endif
67bf9823 1557#ifdef CONFIG_RDMA
21b8aee8 1558 { .ival = "rdma",
1559 .help = "RDMA IO engine",
1560 },
8200b8c7 1561#endif
67bf9823 1562#ifdef CONFIG_FUSION_AW
8200b8c7
JA
1563 { .ival = "fusion-aw-sync",
1564 .help = "Fusion-io atomic write engine",
1565 },
1ecc95ca 1566#endif
997843cb 1567#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA
1568 { .ival = "e4defrag",
1569 .help = "ext4 defrag engine",
1570 },
1571#endif
997843cb 1572#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA
1573 { .ival = "falloc",
1574 .help = "fallocate() file based engine",
1575 },
b8c82a46 1576#endif
a7c386f4 1577#ifdef CONFIG_GFAPI
1578 { .ival = "gfapi",
cc47f094 1579 .help = "Glusterfs libgfapi(sync) based engine"
1580 },
1581 { .ival = "gfapi_async",
1582 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1583 },
1584#endif
1b10477b 1585#ifdef CONFIG_LIBHDFS
b74e419e 1586 { .ival = "libhdfs",
1b10477b
MM
1587 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1588 },
1589#endif
214e1eca
JA
1590 { .ival = "external",
1591 .help = "Load external engine (append name)",
1592 },
1593 },
1594 },
1595 {
1596 .name = "iodepth",
e8b0e958 1597 .lname = "IO Depth",
214e1eca
JA
1598 .type = FIO_OPT_INT,
1599 .off1 = td_var_offset(iodepth),
03e20d68 1600 .help = "Number of IO buffers to keep in flight",
757aff4f 1601 .minval = 1,
20eb06bd 1602 .interval = 1,
214e1eca 1603 .def = "1",
e8b0e958 1604 .category = FIO_OPT_C_IO,
0626037e 1605 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1606 },
1607 {
1608 .name = "iodepth_batch",
e8b0e958 1609 .lname = "IO Depth batch",
4950421a 1610 .alias = "iodepth_batch_submit",
214e1eca
JA
1611 .type = FIO_OPT_INT,
1612 .off1 = td_var_offset(iodepth_batch),
d65db441 1613 .help = "Number of IO buffers to submit in one go",
afdf9352 1614 .parent = "iodepth",
d71c154c 1615 .hide = 1,
a2e6f8ac 1616 .minval = 1,
20eb06bd 1617 .interval = 1,
a2e6f8ac 1618 .def = "1",
e8b0e958 1619 .category = FIO_OPT_C_IO,
0626037e 1620 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA
1621 },
1622 {
1623 .name = "iodepth_batch_complete",
e8b0e958 1624 .lname = "IO Depth batch complete",
4950421a
JA
1625 .type = FIO_OPT_INT,
1626 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1627 .help = "Number of IO buffers to retrieve in one go",
4950421a 1628 .parent = "iodepth",
d71c154c 1629 .hide = 1,
4950421a 1630 .minval = 0,
20eb06bd 1631 .interval = 1,
4950421a 1632 .def = "1",
e8b0e958 1633 .category = FIO_OPT_C_IO,
0626037e 1634 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1635 },
1636 {
1637 .name = "iodepth_low",
e8b0e958 1638 .lname = "IO Depth batch low",
214e1eca
JA
1639 .type = FIO_OPT_INT,
1640 .off1 = td_var_offset(iodepth_low),
1641 .help = "Low water mark for queuing depth",
afdf9352 1642 .parent = "iodepth",
d71c154c 1643 .hide = 1,
20eb06bd 1644 .interval = 1,
e8b0e958 1645 .category = FIO_OPT_C_IO,
0626037e 1646 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1647 },
1648 {
1649 .name = "size",
e8b0e958 1650 .lname = "Size",
214e1eca 1651 .type = FIO_OPT_STR_VAL,
7bb59102 1652 .cb = str_size_cb,
214e1eca 1653 .help = "Total size of device or files",
20eb06bd 1654 .interval = 1024 * 1024,
e8b0e958
JA
1655 .category = FIO_OPT_C_IO,
1656 .group = FIO_OPT_G_INVALID,
214e1eca 1657 },
77731b29
JA
1658 {
1659 .name = "io_limit",
1660 .lname = "IO Limit",
1661 .type = FIO_OPT_STR_VAL,
1662 .off1 = td_var_offset(io_limit),
1663 .interval = 1024 * 1024,
1664 .category = FIO_OPT_C_IO,
1665 .group = FIO_OPT_G_INVALID,
1666 },
aa31f1f1
SL
1667 {
1668 .name = "fill_device",
e8b0e958 1669 .lname = "Fill device",
74586c1e 1670 .alias = "fill_fs",
aa31f1f1
SL
1671 .type = FIO_OPT_BOOL,
1672 .off1 = td_var_offset(fill_device),
1673 .help = "Write until an ENOSPC error occurs",
1674 .def = "0",
e8b0e958
JA
1675 .category = FIO_OPT_C_FILE,
1676 .group = FIO_OPT_G_INVALID,
aa31f1f1 1677 },
214e1eca
JA
1678 {
1679 .name = "filesize",
e8b0e958 1680 .lname = "File size",
214e1eca
JA
1681 .type = FIO_OPT_STR_VAL,
1682 .off1 = td_var_offset(file_size_low),
1683 .off2 = td_var_offset(file_size_high),
c3edbdba 1684 .minval = 1,
214e1eca 1685 .help = "Size of individual files",
20eb06bd 1686 .interval = 1024 * 1024,
e8b0e958
JA
1687 .category = FIO_OPT_C_FILE,
1688 .group = FIO_OPT_G_INVALID,
214e1eca 1689 },
bedc9dc2
JA
1690 {
1691 .name = "file_append",
1692 .lname = "File append",
1693 .type = FIO_OPT_BOOL,
1694 .off1 = td_var_offset(file_append),
1695 .help = "IO will start at the end of the file(s)",
1696 .def = "0",
1697 .category = FIO_OPT_C_FILE,
1698 .group = FIO_OPT_G_INVALID,
1699 },
67a1000f
JA
1700 {
1701 .name = "offset",
e8b0e958 1702 .lname = "IO offset",
67a1000f
JA
1703 .alias = "fileoffset",
1704 .type = FIO_OPT_STR_VAL,
1705 .off1 = td_var_offset(start_offset),
1706 .help = "Start IO from this offset",
1707 .def = "0",
20eb06bd 1708 .interval = 1024 * 1024,
e8b0e958
JA
1709 .category = FIO_OPT_C_IO,
1710 .group = FIO_OPT_G_INVALID,
67a1000f 1711 },
2d7cd868
JA
1712 {
1713 .name = "offset_increment",
e8b0e958 1714 .lname = "IO offset increment",
2d7cd868
JA
1715 .type = FIO_OPT_STR_VAL,
1716 .off1 = td_var_offset(offset_increment),
1717 .help = "What is the increment from one offset to the next",
1718 .parent = "offset",
d71c154c 1719 .hide = 1,
2d7cd868 1720 .def = "0",
20eb06bd 1721 .interval = 1024 * 1024,
e8b0e958
JA
1722 .category = FIO_OPT_C_IO,
1723 .group = FIO_OPT_G_INVALID,
2d7cd868 1724 },
ddf24e42
JA
1725 {
1726 .name = "number_ios",
1727 .lname = "Number of IOs to perform",
1728 .type = FIO_OPT_STR_VAL,
1729 .off1 = td_var_offset(number_ios),
be3fec7d 1730 .help = "Force job completion after this number of IOs",
ddf24e42
JA
1731 .def = "0",
1732 .category = FIO_OPT_C_IO,
1733 .group = FIO_OPT_G_INVALID,
1734 },
214e1eca
JA
1735 {
1736 .name = "bs",
e8b0e958 1737 .lname = "Block size",
d3aad8f2 1738 .alias = "blocksize",
e01b22b8 1739 .type = FIO_OPT_INT,
214e1eca
JA
1740 .off1 = td_var_offset(bs[DDIR_READ]),
1741 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1742 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1743 .minval = 1,
214e1eca
JA
1744 .help = "Block size unit",
1745 .def = "4k",
67a1000f 1746 .parent = "rw",
d71c154c 1747 .hide = 1,
20eb06bd 1748 .interval = 512,
e8b0e958
JA
1749 .category = FIO_OPT_C_IO,
1750 .group = FIO_OPT_G_INVALID,
214e1eca 1751 },
2b7a01d0
JA
1752 {
1753 .name = "ba",
e8b0e958 1754 .lname = "Block size align",
2b7a01d0 1755 .alias = "blockalign",
e01b22b8 1756 .type = FIO_OPT_INT,
2b7a01d0
JA
1757 .off1 = td_var_offset(ba[DDIR_READ]),
1758 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1759 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA
1760 .minval = 1,
1761 .help = "IO block offset alignment",
1762 .parent = "rw",
d71c154c 1763 .hide = 1,
20eb06bd 1764 .interval = 512,
e8b0e958
JA
1765 .category = FIO_OPT_C_IO,
1766 .group = FIO_OPT_G_INVALID,
2b7a01d0 1767 },
214e1eca
JA
1768 {
1769 .name = "bsrange",
e8b0e958 1770 .lname = "Block size range",
d3aad8f2 1771 .alias = "blocksize_range",
214e1eca
JA
1772 .type = FIO_OPT_RANGE,
1773 .off1 = td_var_offset(min_bs[DDIR_READ]),
1774 .off2 = td_var_offset(max_bs[DDIR_READ]),
1775 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1776 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL
1777 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1778 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1779 .minval = 1,
214e1eca 1780 .help = "Set block size range (in more detail than bs)",
67a1000f 1781 .parent = "rw",
d71c154c 1782 .hide = 1,
20eb06bd 1783 .interval = 4096,
e8b0e958
JA
1784 .category = FIO_OPT_C_IO,
1785 .group = FIO_OPT_G_INVALID,
214e1eca 1786 },
564ca972
JA
1787 {
1788 .name = "bssplit",
e8b0e958 1789 .lname = "Block size split",
564ca972
JA
1790 .type = FIO_OPT_STR,
1791 .cb = str_bssplit_cb,
1792 .help = "Set a specific mix of block sizes",
1793 .parent = "rw",
d71c154c 1794 .hide = 1,
e8b0e958
JA
1795 .category = FIO_OPT_C_IO,
1796 .group = FIO_OPT_G_INVALID,
564ca972 1797 },
214e1eca
JA
1798 {
1799 .name = "bs_unaligned",
e8b0e958 1800 .lname = "Block size unaligned",
d3aad8f2 1801 .alias = "blocksize_unaligned",
214e1eca
JA
1802 .type = FIO_OPT_STR_SET,
1803 .off1 = td_var_offset(bs_unaligned),
1804 .help = "Don't sector align IO buffer sizes",
67a1000f 1805 .parent = "rw",
d71c154c 1806 .hide = 1,
e8b0e958
JA
1807 .category = FIO_OPT_C_IO,
1808 .group = FIO_OPT_G_INVALID,
214e1eca 1809 },
6aca9b3d
JA
1810 {
1811 .name = "bs_is_seq_rand",
1812 .lname = "Block size division is seq/random (not read/write)",
1813 .type = FIO_OPT_BOOL,
1814 .off1 = td_var_offset(bs_is_seq_rand),
86d59660 1815 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA
1816 .def = "0",
1817 .parent = "blocksize",
1818 .category = FIO_OPT_C_IO,
1819 .group = FIO_OPT_G_INVALID,
1820 },
214e1eca
JA
1821 {
1822 .name = "randrepeat",
e8b0e958 1823 .lname = "Random repeatable",
214e1eca
JA
1824 .type = FIO_OPT_BOOL,
1825 .off1 = td_var_offset(rand_repeatable),
1826 .help = "Use repeatable random IO pattern",
1827 .def = "1",
67a1000f 1828 .parent = "rw",
d71c154c 1829 .hide = 1,
e8b0e958 1830 .category = FIO_OPT_C_IO,
3ceb458f 1831 .group = FIO_OPT_G_RANDOM,
214e1eca 1832 },
04778baf
JA
1833 {
1834 .name = "randseed",
1835 .lname = "The random generator seed",
363cffa7 1836 .type = FIO_OPT_STR_VAL,
04778baf
JA
1837 .off1 = td_var_offset(rand_seed),
1838 .help = "Set the random generator seed value",
1839 .parent = "rw",
1840 .category = FIO_OPT_C_IO,
1841 .group = FIO_OPT_G_RANDOM,
1842 },
2615cc4b
JA
1843 {
1844 .name = "use_os_rand",
e8b0e958 1845 .lname = "Use OS random",
54a21917
JA
1846 .type = FIO_OPT_DEPRECATED,
1847 .off1 = td_var_offset(dep_use_os_rand),
e8b0e958 1848 .category = FIO_OPT_C_IO,
3ceb458f 1849 .group = FIO_OPT_G_RANDOM,
2615cc4b 1850 },
214e1eca
JA
1851 {
1852 .name = "norandommap",
e8b0e958 1853 .lname = "No randommap",
214e1eca
JA
1854 .type = FIO_OPT_STR_SET,
1855 .off1 = td_var_offset(norandommap),
1856 .help = "Accept potential duplicate random blocks",
67a1000f 1857 .parent = "rw",
d71c154c 1858 .hide = 1,
b2452a43 1859 .hide_on_set = 1,
e8b0e958 1860 .category = FIO_OPT_C_IO,
3ceb458f 1861 .group = FIO_OPT_G_RANDOM,
214e1eca 1862 },
2b386d25
JA
1863 {
1864 .name = "softrandommap",
e8b0e958 1865 .lname = "Soft randommap",
2b386d25
JA
1866 .type = FIO_OPT_BOOL,
1867 .off1 = td_var_offset(softrandommap),
f66ab3c8 1868 .help = "Set norandommap if randommap allocation fails",
2b386d25 1869 .parent = "norandommap",
d71c154c 1870 .hide = 1,
2b386d25 1871 .def = "0",
e8b0e958 1872 .category = FIO_OPT_C_IO,
3ceb458f 1873 .group = FIO_OPT_G_RANDOM,
2b386d25 1874 },
8055e41d
JA
1875 {
1876 .name = "random_generator",
1877 .type = FIO_OPT_STR,
1878 .off1 = td_var_offset(random_generator),
1879 .help = "Type of random number generator to use",
1880 .def = "tausworthe",
1881 .posval = {
1882 { .ival = "tausworthe",
1883 .oval = FIO_RAND_GEN_TAUSWORTHE,
1884 .help = "Strong Tausworthe generator",
1885 },
1886 { .ival = "lfsr",
1887 .oval = FIO_RAND_GEN_LFSR,
1888 .help = "Variable length LFSR",
1889 },
1890 },
48107598
JA
1891 .category = FIO_OPT_C_IO,
1892 .group = FIO_OPT_G_RANDOM,
8055e41d 1893 },
e25839d4
JA
1894 {
1895 .name = "random_distribution",
1896 .type = FIO_OPT_STR,
1897 .off1 = td_var_offset(random_distribution),
1898 .cb = str_random_distribution_cb,
1899 .help = "Random offset distribution generator",
1900 .def = "random",
1901 .posval = {
1902 { .ival = "random",
1903 .oval = FIO_RAND_DIST_RANDOM,
1904 .help = "Completely random",
1905 },
1906 { .ival = "zipf",
1907 .oval = FIO_RAND_DIST_ZIPF,
1908 .help = "Zipf distribution",
1909 },
925fee33
JA
1910 { .ival = "pareto",
1911 .oval = FIO_RAND_DIST_PARETO,
1912 .help = "Pareto distribution",
1913 },
e25839d4 1914 },
48107598
JA
1915 .category = FIO_OPT_C_IO,
1916 .group = FIO_OPT_G_RANDOM,
e25839d4 1917 },
211c9b89
JA
1918 {
1919 .name = "percentage_random",
1920 .lname = "Percentage Random",
1921 .type = FIO_OPT_INT,
d9472271
JA
1922 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1923 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1924 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA
1925 .maxval = 100,
1926 .help = "Percentage of seq/random mix that should be random",
d9472271 1927 .def = "100,100,100",
211c9b89
JA
1928 .interval = 5,
1929 .inverse = "percentage_sequential",
1930 .category = FIO_OPT_C_IO,
1931 .group = FIO_OPT_G_RANDOM,
1932 },
1933 {
1934 .name = "percentage_sequential",
1935 .lname = "Percentage Sequential",
d9472271 1936 .type = FIO_OPT_DEPRECATED,
211c9b89
JA
1937 .category = FIO_OPT_C_IO,
1938 .group = FIO_OPT_G_RANDOM,
1939 },
56e2a5fc
CE
1940 {
1941 .name = "allrandrepeat",
1942 .type = FIO_OPT_BOOL,
1943 .off1 = td_var_offset(allrand_repeatable),
1944 .help = "Use repeatable random numbers for everything",
1945 .def = "0",
a869d9c6
JA
1946 .category = FIO_OPT_C_IO,
1947 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1948 },
214e1eca
JA
1949 {
1950 .name = "nrfiles",
e8b0e958 1951 .lname = "Number of files",
d7c8be03 1952 .alias = "nr_files",
214e1eca
JA
1953 .type = FIO_OPT_INT,
1954 .off1 = td_var_offset(nr_files),
1955 .help = "Split job workload between this number of files",
1956 .def = "1",
20eb06bd 1957 .interval = 1,
e8b0e958
JA
1958 .category = FIO_OPT_C_FILE,
1959 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1960 },
1961 {
1962 .name = "openfiles",
e8b0e958 1963 .lname = "Number of open files",
214e1eca
JA
1964 .type = FIO_OPT_INT,
1965 .off1 = td_var_offset(open_files),
1966 .help = "Number of files to keep open at the same time",
e8b0e958
JA
1967 .category = FIO_OPT_C_FILE,
1968 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1969 },
1970 {
1971 .name = "file_service_type",
e8b0e958 1972 .lname = "File service type",
214e1eca
JA
1973 .type = FIO_OPT_STR,
1974 .cb = str_fst_cb,
1975 .off1 = td_var_offset(file_service_type),
1976 .help = "How to select which file to service next",
1977 .def = "roundrobin",
e8b0e958
JA
1978 .category = FIO_OPT_C_FILE,
1979 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1980 .posval = {
1981 { .ival = "random",
1982 .oval = FIO_FSERVICE_RANDOM,
1983 .help = "Choose a file at random",
1984 },
1985 { .ival = "roundrobin",
1986 .oval = FIO_FSERVICE_RR,
1987 .help = "Round robin select files",
1988 },
a086c257
JA
1989 { .ival = "sequential",
1990 .oval = FIO_FSERVICE_SEQ,
1991 .help = "Finish one file before moving to the next",
1992 },
214e1eca 1993 },
67a1000f 1994 .parent = "nrfiles",
d71c154c 1995 .hide = 1,
67a1000f 1996 },
97ac992c 1997#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA
1998 {
1999 .name = "fallocate",
e8b0e958 2000 .lname = "Fallocate",
a596f047
EG
2001 .type = FIO_OPT_STR,
2002 .off1 = td_var_offset(fallocate_mode),
2003 .help = "Whether pre-allocation is performed when laying out files",
2004 .def = "posix",
e8b0e958
JA
2005 .category = FIO_OPT_C_FILE,
2006 .group = FIO_OPT_G_INVALID,
a596f047
EG
2007 .posval = {
2008 { .ival = "none",
2009 .oval = FIO_FALLOCATE_NONE,
2010 .help = "Do not pre-allocate space",
2011 },
2012 { .ival = "posix",
2013 .oval = FIO_FALLOCATE_POSIX,
2014 .help = "Use posix_fallocate()",
2015 },
97ac992c 2016#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG
2017 { .ival = "keep",
2018 .oval = FIO_FALLOCATE_KEEP_SIZE,
2019 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2020 },
7bc8c2cf 2021#endif
a596f047
EG
2022 /* Compatibility with former boolean values */
2023 { .ival = "0",
2024 .oval = FIO_FALLOCATE_NONE,
2025 .help = "Alias for 'none'",
2026 },
2027 { .ival = "1",
2028 .oval = FIO_FALLOCATE_POSIX,
2029 .help = "Alias for 'posix'",
2030 },
2031 },
2032 },
97ac992c 2033#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA
2034 {
2035 .name = "fadvise_hint",
e8b0e958 2036 .lname = "Fadvise hint",
67a1000f
JA
2037 .type = FIO_OPT_BOOL,
2038 .off1 = td_var_offset(fadvise_hint),
2039 .help = "Use fadvise() to advise the kernel on IO pattern",
2040 .def = "1",
e8b0e958
JA
2041 .category = FIO_OPT_C_FILE,
2042 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2043 },
2044 {
2045 .name = "fsync",
e8b0e958 2046 .lname = "Fsync",
214e1eca
JA
2047 .type = FIO_OPT_INT,
2048 .off1 = td_var_offset(fsync_blocks),
2049 .help = "Issue fsync for writes every given number of blocks",
2050 .def = "0",
20eb06bd 2051 .interval = 1,
e8b0e958
JA
2052 .category = FIO_OPT_C_FILE,
2053 .group = FIO_OPT_G_INVALID,
214e1eca 2054 },
5f9099ea
JA
2055 {
2056 .name = "fdatasync",
e8b0e958 2057 .lname = "Fdatasync",
5f9099ea
JA
2058 .type = FIO_OPT_INT,
2059 .off1 = td_var_offset(fdatasync_blocks),
2060 .help = "Issue fdatasync for writes every given number of blocks",
2061 .def = "0",
20eb06bd 2062 .interval = 1,
e8b0e958
JA
2063 .category = FIO_OPT_C_FILE,
2064 .group = FIO_OPT_G_INVALID,
5f9099ea 2065 },
1ef2b6be
JA
2066 {
2067 .name = "write_barrier",
e8b0e958 2068 .lname = "Write barrier",
1ef2b6be
JA
2069 .type = FIO_OPT_INT,
2070 .off1 = td_var_offset(barrier_blocks),
2071 .help = "Make every Nth write a barrier write",
2072 .def = "0",
20eb06bd 2073 .interval = 1,
e8b0e958
JA
2074 .category = FIO_OPT_C_IO,
2075 .group = FIO_OPT_G_INVALID,
1ef2b6be 2076 },
67bf9823 2077#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
2078 {
2079 .name = "sync_file_range",
e8b0e958 2080 .lname = "Sync file range",
44f29692
JA
2081 .posval = {
2082 { .ival = "wait_before",
2083 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2084 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2085 .orval = 1,
44f29692
JA
2086 },
2087 { .ival = "write",
2088 .oval = SYNC_FILE_RANGE_WRITE,
2089 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2090 .orval = 1,
44f29692
JA
2091 },
2092 {
2093 .ival = "wait_after",
2094 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2095 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2096 .orval = 1,
44f29692
JA
2097 },
2098 },
3843deb3 2099 .type = FIO_OPT_STR_MULTI,
44f29692
JA
2100 .cb = str_sfr_cb,
2101 .off1 = td_var_offset(sync_file_range),
2102 .help = "Use sync_file_range()",
e8b0e958
JA
2103 .category = FIO_OPT_C_FILE,
2104 .group = FIO_OPT_G_INVALID,
44f29692
JA
2105 },
2106#endif
214e1eca
JA
2107 {
2108 .name = "direct",
e8b0e958 2109 .lname = "Direct I/O",
214e1eca
JA
2110 .type = FIO_OPT_BOOL,
2111 .off1 = td_var_offset(odirect),
2112 .help = "Use O_DIRECT IO (negates buffered)",
2113 .def = "0",
a01a1bc5 2114 .inverse = "buffered",
e8b0e958 2115 .category = FIO_OPT_C_IO,
3ceb458f 2116 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2117 },
d01612f3
CM
2118 {
2119 .name = "atomic",
2120 .lname = "Atomic I/O",
2121 .type = FIO_OPT_BOOL,
2122 .off1 = td_var_offset(oatomic),
2123 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2124 .def = "0",
2125 .category = FIO_OPT_C_IO,
2126 .group = FIO_OPT_G_IO_TYPE,
2127 },
214e1eca
JA
2128 {
2129 .name = "buffered",
e8b0e958 2130 .lname = "Buffered I/O",
214e1eca
JA
2131 .type = FIO_OPT_BOOL,
2132 .off1 = td_var_offset(odirect),
2133 .neg = 1,
2134 .help = "Use buffered IO (negates direct)",
2135 .def = "1",
a01a1bc5 2136 .inverse = "direct",
e8b0e958 2137 .category = FIO_OPT_C_IO,
3ceb458f 2138 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
2139 },
2140 {
2141 .name = "overwrite",
e8b0e958 2142 .lname = "Overwrite",
214e1eca
JA
2143 .type = FIO_OPT_BOOL,
2144 .off1 = td_var_offset(overwrite),
2145 .help = "When writing, set whether to overwrite current data",
2146 .def = "0",
e8b0e958
JA
2147 .category = FIO_OPT_C_FILE,
2148 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2149 },
2150 {
2151 .name = "loops",
e8b0e958 2152 .lname = "Loops",
214e1eca
JA
2153 .type = FIO_OPT_INT,
2154 .off1 = td_var_offset(loops),
2155 .help = "Number of times to run the job",
2156 .def = "1",
20eb06bd 2157 .interval = 1,
e8b0e958 2158 .category = FIO_OPT_C_GENERAL,
a1f6afec 2159 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2160 },
2161 {
2162 .name = "numjobs",
e8b0e958 2163 .lname = "Number of jobs",
214e1eca
JA
2164 .type = FIO_OPT_INT,
2165 .off1 = td_var_offset(numjobs),
2166 .help = "Duplicate this job this many times",
2167 .def = "1",
20eb06bd 2168 .interval = 1,
e8b0e958 2169 .category = FIO_OPT_C_GENERAL,
a1f6afec 2170 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2171 },
2172 {
2173 .name = "startdelay",
e8b0e958 2174 .lname = "Start delay",
a5737c93 2175 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2176 .off1 = td_var_offset(start_delay),
23ed19b0 2177 .off2 = td_var_offset(start_delay_high),
214e1eca
JA
2178 .help = "Only start job when this period has passed",
2179 .def = "0",
0de5b26f 2180 .is_seconds = 1,
88038bc7 2181 .is_time = 1,
e8b0e958 2182 .category = FIO_OPT_C_GENERAL,
a1f6afec 2183 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2184 },
2185 {
2186 .name = "runtime",
e8b0e958 2187 .lname = "Runtime",
214e1eca
JA
2188 .alias = "timeout",
2189 .type = FIO_OPT_STR_VAL_TIME,
2190 .off1 = td_var_offset(timeout),
2191 .help = "Stop workload when this amount of time has passed",
2192 .def = "0",
0de5b26f 2193 .is_seconds = 1,
88038bc7 2194 .is_time = 1,
e8b0e958 2195 .category = FIO_OPT_C_GENERAL,
a1f6afec 2196 .group = FIO_OPT_G_RUNTIME,
214e1eca 2197 },
cf4464ca
JA
2198 {
2199 .name = "time_based",
e8b0e958 2200 .lname = "Time based",
cf4464ca
JA
2201 .type = FIO_OPT_STR_SET,
2202 .off1 = td_var_offset(time_based),
2203 .help = "Keep running until runtime/timeout is met",
e8b0e958 2204 .category = FIO_OPT_C_GENERAL,
a1f6afec 2205 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2206 },
62167762
JC
2207 {
2208 .name = "verify_only",
2209 .lname = "Verify only",
2210 .type = FIO_OPT_STR_SET,
2211 .off1 = td_var_offset(verify_only),
2212 .help = "Verifies previously written data is still valid",
2213 .category = FIO_OPT_C_GENERAL,
2214 .group = FIO_OPT_G_RUNTIME,
2215 },
721938ae
JA
2216 {
2217 .name = "ramp_time",
e8b0e958 2218 .lname = "Ramp time",
721938ae
JA
2219 .type = FIO_OPT_STR_VAL_TIME,
2220 .off1 = td_var_offset(ramp_time),
2221 .help = "Ramp up time before measuring performance",
0de5b26f 2222 .is_seconds = 1,
88038bc7 2223 .is_time = 1,
e8b0e958 2224 .category = FIO_OPT_C_GENERAL,
a1f6afec 2225 .group = FIO_OPT_G_RUNTIME,
721938ae 2226 },
c223da83
JA
2227 {
2228 .name = "clocksource",
e8b0e958 2229 .lname = "Clock source",
c223da83
JA
2230 .type = FIO_OPT_STR,
2231 .cb = fio_clock_source_cb,
2232 .off1 = td_var_offset(clocksource),
2233 .help = "What type of timing source to use",
e8b0e958 2234 .category = FIO_OPT_C_GENERAL,
10860056 2235 .group = FIO_OPT_G_CLOCK,
c223da83 2236 .posval = {
67bf9823 2237#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA
2238 { .ival = "gettimeofday",
2239 .oval = CS_GTOD,
2240 .help = "Use gettimeofday(2) for timing",
2241 },
67bf9823
JA
2242#endif
2243#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA
2244 { .ival = "clock_gettime",
2245 .oval = CS_CGETTIME,
2246 .help = "Use clock_gettime(2) for timing",
2247 },
67bf9823 2248#endif
c223da83
JA
2249#ifdef ARCH_HAVE_CPU_CLOCK
2250 { .ival = "cpu",
2251 .oval = CS_CPUCLOCK,
2252 .help = "Use CPU private clock",
2253 },
2254#endif
2255 },
2256 },
214e1eca
JA
2257 {
2258 .name = "mem",
d3aad8f2 2259 .alias = "iomem",
e8b0e958 2260 .lname = "I/O Memory",
214e1eca
JA
2261 .type = FIO_OPT_STR,
2262 .cb = str_mem_cb,
2263 .off1 = td_var_offset(mem_type),
2264 .help = "Backing type for IO buffers",
2265 .def = "malloc",
e8b0e958
JA
2266 .category = FIO_OPT_C_IO,
2267 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2268 .posval = {
2269 { .ival = "malloc",
2270 .oval = MEM_MALLOC,
2271 .help = "Use malloc(3) for IO buffers",
2272 },
c8931876 2273#ifndef CONFIG_NO_SHM
37c8cdfe
JA
2274 { .ival = "shm",
2275 .oval = MEM_SHM,
2276 .help = "Use shared memory segments for IO buffers",
2277 },
214e1eca
JA
2278#ifdef FIO_HAVE_HUGETLB
2279 { .ival = "shmhuge",
2280 .oval = MEM_SHMHUGE,
2281 .help = "Like shm, but use huge pages",
2282 },
c8931876 2283#endif
b370e46a 2284#endif
37c8cdfe
JA
2285 { .ival = "mmap",
2286 .oval = MEM_MMAP,
2287 .help = "Use mmap(2) (file or anon) for IO buffers",
2288 },
214e1eca
JA
2289#ifdef FIO_HAVE_HUGETLB
2290 { .ival = "mmaphuge",
2291 .oval = MEM_MMAPHUGE,
2292 .help = "Like mmap, but use huge pages",
2293 },
2294#endif
2295 },
2296 },
d529ee19
JA
2297 {
2298 .name = "iomem_align",
2299 .alias = "mem_align",
e8b0e958 2300 .lname = "I/O memory alignment",
d529ee19
JA
2301 .type = FIO_OPT_INT,
2302 .off1 = td_var_offset(mem_align),
2303 .minval = 0,
2304 .help = "IO memory buffer offset alignment",
2305 .def = "0",
2306 .parent = "iomem",
d71c154c 2307 .hide = 1,
e8b0e958
JA
2308 .category = FIO_OPT_C_IO,
2309 .group = FIO_OPT_G_INVALID,
d529ee19 2310 },
214e1eca
JA
2311 {
2312 .name = "verify",
e8b0e958 2313 .lname = "Verify",
214e1eca
JA
2314 .type = FIO_OPT_STR,
2315 .off1 = td_var_offset(verify),
2316 .help = "Verify data written",
2317 .def = "0",
e8b0e958 2318 .category = FIO_OPT_C_IO,
3ceb458f 2319 .group = FIO_OPT_G_VERIFY,
214e1eca
JA
2320 .posval = {
2321 { .ival = "0",
2322 .oval = VERIFY_NONE,
2323 .help = "Don't do IO verification",
2324 },
fcca4b58
JA
2325 { .ival = "md5",
2326 .oval = VERIFY_MD5,
2327 .help = "Use md5 checksums for verification",
2328 },
d77a7af3
JA
2329 { .ival = "crc64",
2330 .oval = VERIFY_CRC64,
2331 .help = "Use crc64 checksums for verification",
2332 },
214e1eca
JA
2333 { .ival = "crc32",
2334 .oval = VERIFY_CRC32,
2335 .help = "Use crc32 checksums for verification",
2336 },
af497e6a 2337 { .ival = "crc32c-intel",
e3aaafc4
JA
2338 .oval = VERIFY_CRC32C,
2339 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2340 },
bac39e0e
JA
2341 { .ival = "crc32c",
2342 .oval = VERIFY_CRC32C,
e3aaafc4 2343 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2344 },
969f7ed3
JA
2345 { .ival = "crc16",
2346 .oval = VERIFY_CRC16,
2347 .help = "Use crc16 checksums for verification",
2348 },
1e154bdb
JA
2349 { .ival = "crc7",
2350 .oval = VERIFY_CRC7,
2351 .help = "Use crc7 checksums for verification",
2352 },
7c353ceb
JA
2353 { .ival = "sha1",
2354 .oval = VERIFY_SHA1,
2355 .help = "Use sha1 checksums for verification",
2356 },
cd14cc10
JA
2357 { .ival = "sha256",
2358 .oval = VERIFY_SHA256,
2359 .help = "Use sha256 checksums for verification",
2360 },
2361 { .ival = "sha512",
2362 .oval = VERIFY_SHA512,
2363 .help = "Use sha512 checksums for verification",
2364 },
844ea602
JA
2365 { .ival = "xxhash",
2366 .oval = VERIFY_XXHASH,
2367 .help = "Use xxhash checksums for verification",
2368 },
7437ee87
SL
2369 { .ival = "meta",
2370 .oval = VERIFY_META,
2371 .help = "Use io information",
2372 },
36690c9b
JA
2373 {
2374 .ival = "null",
2375 .oval = VERIFY_NULL,
2376 .help = "Pretend to verify",
2377 },
214e1eca
JA
2378 },
2379 },
005c565a
JA
2380 {
2381 .name = "do_verify",
e8b0e958 2382 .lname = "Perform verify step",
68e1f29a 2383 .type = FIO_OPT_BOOL,
005c565a
JA
2384 .off1 = td_var_offset(do_verify),
2385 .help = "Run verification stage after write",
2386 .def = "1",
2387 .parent = "verify",
d71c154c 2388 .hide = 1,
e8b0e958
JA
2389 .category = FIO_OPT_C_IO,
2390 .group = FIO_OPT_G_VERIFY,
005c565a 2391 },
160b966d
JA
2392 {
2393 .name = "verifysort",
e8b0e958 2394 .lname = "Verify sort",
160b966d
JA
2395 .type = FIO_OPT_BOOL,
2396 .off1 = td_var_offset(verifysort),
2397 .help = "Sort written verify blocks for read back",
2398 .def = "1",
c83f2df1 2399 .parent = "verify",
d71c154c 2400 .hide = 1,
e8b0e958
JA
2401 .category = FIO_OPT_C_IO,
2402 .group = FIO_OPT_G_VERIFY,
160b966d 2403 },
1ae83d45
JA
2404 {
2405 .name = "verifysort_nr",
2406 .type = FIO_OPT_INT,
2407 .off1 = td_var_offset(verifysort_nr),
2408 .help = "Pre-load and sort verify blocks for a read workload",
2409 .minval = 0,
2410 .maxval = 131072,
2411 .def = "1024",
2412 .parent = "verify",
836fcc0f
JA
2413 .category = FIO_OPT_C_IO,
2414 .group = FIO_OPT_G_VERIFY,
1ae83d45 2415 },
3f9f4e26 2416 {
a59e170d 2417 .name = "verify_interval",
e8b0e958 2418 .lname = "Verify interval",
e01b22b8 2419 .type = FIO_OPT_INT,
a59e170d 2420 .off1 = td_var_offset(verify_interval),
819a9680 2421 .minval = 2 * sizeof(struct verify_header),
a59e170d 2422 .help = "Store verify buffer header every N bytes",
afdf9352 2423 .parent = "verify",
d71c154c 2424 .hide = 1,
20eb06bd 2425 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA
2426 .category = FIO_OPT_C_IO,
2427 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2428 },
546a9142 2429 {
a59e170d 2430 .name = "verify_offset",
e8b0e958 2431 .lname = "Verify offset",
e01b22b8 2432 .type = FIO_OPT_INT,
a59e170d 2433 .help = "Offset verify header location by N bytes",
203160d5
JA
2434 .off1 = td_var_offset(verify_offset),
2435 .minval = sizeof(struct verify_header),
afdf9352 2436 .parent = "verify",
d71c154c 2437 .hide = 1,
e8b0e958
JA
2438 .category = FIO_OPT_C_IO,
2439 .group = FIO_OPT_G_VERIFY,
546a9142 2440 },
e28218f3
SL
2441 {
2442 .name = "verify_pattern",
e8b0e958 2443 .lname = "Verify pattern",
0e92f873 2444 .type = FIO_OPT_STR,
e28218f3
SL
2445 .cb = str_verify_pattern_cb,
2446 .help = "Fill pattern for IO buffers",
2447 .parent = "verify",
d71c154c 2448 .hide = 1,
e8b0e958
JA
2449 .category = FIO_OPT_C_IO,
2450 .group = FIO_OPT_G_VERIFY,
e28218f3 2451 },
a12a3b4d
JA
2452 {
2453 .name = "verify_fatal",
e8b0e958 2454 .lname = "Verify fatal",
68e1f29a 2455 .type = FIO_OPT_BOOL,
a12a3b4d
JA
2456 .off1 = td_var_offset(verify_fatal),
2457 .def = "0",
2458 .help = "Exit on a single verify failure, don't continue",
2459 .parent = "verify",
d71c154c 2460 .hide = 1,
e8b0e958
JA
2461 .category = FIO_OPT_C_IO,
2462 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2463 },
b463e936
JA
2464 {
2465 .name = "verify_dump",
e8b0e958 2466 .lname = "Verify dump",
b463e936
JA
2467 .type = FIO_OPT_BOOL,
2468 .off1 = td_var_offset(verify_dump),
ef71e317 2469 .def = "0",
b463e936
JA
2470 .help = "Dump contents of good and bad blocks on failure",
2471 .parent = "verify",
d71c154c 2472 .hide = 1,
e8b0e958
JA
2473 .category = FIO_OPT_C_IO,
2474 .group = FIO_OPT_G_VERIFY,
b463e936 2475 },
e8462bd8
JA
2476 {
2477 .name = "verify_async",
e8b0e958 2478 .lname = "Verify asynchronously",
e8462bd8
JA
2479 .type = FIO_OPT_INT,
2480 .off1 = td_var_offset(verify_async),
2481 .def = "0",
2482 .help = "Number of async verifier threads to use",
2483 .parent = "verify",
d71c154c 2484 .hide = 1,
e8b0e958
JA
2485 .category = FIO_OPT_C_IO,
2486 .group = FIO_OPT_G_VERIFY,
e8462bd8 2487 },
9e144189
JA
2488 {
2489 .name = "verify_backlog",
e8b0e958 2490 .lname = "Verify backlog",
9e144189
JA
2491 .type = FIO_OPT_STR_VAL,
2492 .off1 = td_var_offset(verify_backlog),
2493 .help = "Verify after this number of blocks are written",
2494 .parent = "verify",
d71c154c 2495 .hide = 1,
e8b0e958
JA
2496 .category = FIO_OPT_C_IO,
2497 .group = FIO_OPT_G_VERIFY,
9e144189
JA
2498 },
2499 {
2500 .name = "verify_backlog_batch",
e8b0e958 2501 .lname = "Verify backlog batch",
9e144189
JA
2502 .type = FIO_OPT_INT,
2503 .off1 = td_var_offset(verify_batch),
2504 .help = "Verify this number of IO blocks",
0d29de83 2505 .parent = "verify",
d71c154c 2506 .hide = 1,
e8b0e958
JA
2507 .category = FIO_OPT_C_IO,
2508 .group = FIO_OPT_G_VERIFY,
9e144189 2509 },
e8462bd8
JA
2510#ifdef FIO_HAVE_CPU_AFFINITY
2511 {
2512 .name = "verify_async_cpus",
e8b0e958 2513 .lname = "Async verify CPUs",
e8462bd8
JA
2514 .type = FIO_OPT_STR,
2515 .cb = str_verify_cpus_allowed_cb,
2516 .help = "Set CPUs allowed for async verify threads",
2517 .parent = "verify_async",
d71c154c 2518 .hide = 1,
e8b0e958
JA
2519 .category = FIO_OPT_C_IO,
2520 .group = FIO_OPT_G_VERIFY,
e8462bd8 2521 },
0d29de83 2522#endif
51aa2da8
JA
2523 {
2524 .name = "experimental_verify",
2525 .off1 = td_var_offset(experimental_verify),
2526 .type = FIO_OPT_BOOL,
b31eaac9 2527 .help = "Enable experimental verification",
ca09be4b
JA
2528 .parent = "verify",
2529 .category = FIO_OPT_C_IO,
2530 .group = FIO_OPT_G_VERIFY,
2531 },
2532 {
2533 .name = "verify_state_load",
2534 .lname = "Load verify state",
2535 .off1 = td_var_offset(verify_state),
2536 .type = FIO_OPT_BOOL,
2537 .help = "Load verify termination state",
2538 .parent = "verify",
2539 .category = FIO_OPT_C_IO,
2540 .group = FIO_OPT_G_VERIFY,
2541 },
2542 {
2543 .name = "verify_state_save",
2544 .lname = "Save verify state",
2545 .off1 = td_var_offset(verify_state_save),
2546 .type = FIO_OPT_BOOL,
2547 .def = "1",
2548 .help = "Save verify state on termination",
2549 .parent = "verify",
836fcc0f
JA
2550 .category = FIO_OPT_C_IO,
2551 .group = FIO_OPT_G_VERIFY,
51aa2da8 2552 },
0d29de83
JA
2553#ifdef FIO_HAVE_TRIM
2554 {
2555 .name = "trim_percentage",
e8b0e958 2556 .lname = "Trim percentage",
0d29de83 2557 .type = FIO_OPT_INT,
203160d5 2558 .off1 = td_var_offset(trim_percentage),
20eb06bd 2559 .minval = 0,
0d29de83
JA
2560 .maxval = 100,
2561 .help = "Number of verify blocks to discard/trim",
2562 .parent = "verify",
2563 .def = "0",
20eb06bd 2564 .interval = 1,
d71c154c 2565 .hide = 1,
e8b0e958
JA
2566 .category = FIO_OPT_C_IO,
2567 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2568 },
2569 {
2570 .name = "trim_verify_zero",
e8b0e958 2571 .lname = "Verify trim zero",
20eb06bd 2572 .type = FIO_OPT_BOOL,
0d29de83
JA
2573 .help = "Verify that trim/discarded blocks are returned as zeroes",
2574 .off1 = td_var_offset(trim_zero),
2575 .parent = "trim_percentage",
d71c154c 2576 .hide = 1,
0d29de83 2577 .def = "1",
e8b0e958
JA
2578 .category = FIO_OPT_C_IO,
2579 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2580 },
2581 {
2582 .name = "trim_backlog",
e8b0e958 2583 .lname = "Trim backlog",
0d29de83
JA
2584 .type = FIO_OPT_STR_VAL,
2585 .off1 = td_var_offset(trim_backlog),
2586 .help = "Trim after this number of blocks are written",
2587 .parent = "trim_percentage",
d71c154c 2588 .hide = 1,
20eb06bd 2589 .interval = 1,
e8b0e958
JA
2590 .category = FIO_OPT_C_IO,
2591 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2592 },
2593 {
2594 .name = "trim_backlog_batch",
e8b0e958 2595 .lname = "Trim backlog batch",
0d29de83
JA
2596 .type = FIO_OPT_INT,
2597 .off1 = td_var_offset(trim_batch),
2598 .help = "Trim this number of IO blocks",
2599 .parent = "trim_percentage",
d71c154c 2600 .hide = 1,
20eb06bd 2601 .interval = 1,
e8b0e958
JA
2602 .category = FIO_OPT_C_IO,
2603 .group = FIO_OPT_G_TRIM,
0d29de83 2604 },
e8462bd8 2605#endif
214e1eca
JA
2606 {
2607 .name = "write_iolog",
e8b0e958 2608 .lname = "Write I/O log",
214e1eca
JA
2609 .type = FIO_OPT_STR_STORE,
2610 .off1 = td_var_offset(write_iolog_file),
2611 .help = "Store IO pattern to file",
e8b0e958
JA
2612 .category = FIO_OPT_C_IO,
2613 .group = FIO_OPT_G_IOLOG,
214e1eca
JA
2614 },
2615 {
2616 .name = "read_iolog",
e8b0e958 2617 .lname = "Read I/O log",
214e1eca
JA
2618 .type = FIO_OPT_STR_STORE,
2619 .off1 = td_var_offset(read_iolog_file),
2620 .help = "Playback IO pattern from file",
e8b0e958
JA
2621 .category = FIO_OPT_C_IO,
2622 .group = FIO_OPT_G_IOLOG,
214e1eca 2623 },
64bbb865
DN
2624 {
2625 .name = "replay_no_stall",
e8b0e958 2626 .lname = "Don't stall on replay",
20eb06bd 2627 .type = FIO_OPT_BOOL,
64bbb865
DN
2628 .off1 = td_var_offset(no_stall),
2629 .def = "0",
87e7a972 2630 .parent = "read_iolog",
d71c154c 2631 .hide = 1,
64bbb865 2632 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA
2633 .category = FIO_OPT_C_IO,
2634 .group = FIO_OPT_G_IOLOG,
64bbb865 2635 },
d1c46c04
DN
2636 {
2637 .name = "replay_redirect",
e8b0e958 2638 .lname = "Redirect device for replay",
d1c46c04
DN
2639 .type = FIO_OPT_STR_STORE,
2640 .off1 = td_var_offset(replay_redirect),
2641 .parent = "read_iolog",
d71c154c 2642 .hide = 1,
d1c46c04 2643 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA
2644 .category = FIO_OPT_C_IO,
2645 .group = FIO_OPT_G_IOLOG,
d1c46c04 2646 },
214e1eca
JA
2647 {
2648 .name = "exec_prerun",
e8b0e958 2649 .lname = "Pre-execute runnable",
214e1eca
JA
2650 .type = FIO_OPT_STR_STORE,
2651 .off1 = td_var_offset(exec_prerun),
2652 .help = "Execute this file prior to running job",
e8b0e958
JA
2653 .category = FIO_OPT_C_GENERAL,
2654 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2655 },
2656 {
2657 .name = "exec_postrun",
e8b0e958 2658 .lname = "Post-execute runnable",
214e1eca
JA
2659 .type = FIO_OPT_STR_STORE,
2660 .off1 = td_var_offset(exec_postrun),
2661 .help = "Execute this file after running job",
e8b0e958
JA
2662 .category = FIO_OPT_C_GENERAL,
2663 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2664 },
2665#ifdef FIO_HAVE_IOSCHED_SWITCH
2666 {
2667 .name = "ioscheduler",
e8b0e958 2668 .lname = "I/O scheduler",
214e1eca
JA
2669 .type = FIO_OPT_STR_STORE,
2670 .off1 = td_var_offset(ioscheduler),
2671 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA
2672 .category = FIO_OPT_C_FILE,
2673 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2674 },
2675#endif
2676 {
2677 .name = "zonesize",
e8b0e958 2678 .lname = "Zone size",
214e1eca
JA
2679 .type = FIO_OPT_STR_VAL,
2680 .off1 = td_var_offset(zone_size),
ed335855
SN
2681 .help = "Amount of data to read per zone",
2682 .def = "0",
20eb06bd 2683 .interval = 1024 * 1024,
e8b0e958
JA
2684 .category = FIO_OPT_C_IO,
2685 .group = FIO_OPT_G_ZONE,
ed335855
SN
2686 },
2687 {
2688 .name = "zonerange",
e8b0e958 2689 .lname = "Zone range",
ed335855
SN
2690 .type = FIO_OPT_STR_VAL,
2691 .off1 = td_var_offset(zone_range),
214e1eca
JA
2692 .help = "Give size of an IO zone",
2693 .def = "0",
20eb06bd 2694 .interval = 1024 * 1024,
e8b0e958
JA
2695 .category = FIO_OPT_C_IO,
2696 .group = FIO_OPT_G_ZONE,
214e1eca
JA
2697 },
2698 {
2699 .name = "zoneskip",
e8b0e958 2700 .lname = "Zone skip",
214e1eca
JA
2701 .type = FIO_OPT_STR_VAL,
2702 .off1 = td_var_offset(zone_skip),
2703 .help = "Space between IO zones",
2704 .def = "0",
20eb06bd 2705 .interval = 1024 * 1024,
e8b0e958
JA
2706 .category = FIO_OPT_C_IO,
2707 .group = FIO_OPT_G_ZONE,
214e1eca
JA
2708 },
2709 {
2710 .name = "lockmem",
e8b0e958 2711 .lname = "Lock memory",
214e1eca 2712 .type = FIO_OPT_STR_VAL,
1b79a070 2713 .off1 = td_var_offset(lockmem),
81c6b6cd 2714 .help = "Lock down this amount of memory (per worker)",
214e1eca 2715 .def = "0",
20eb06bd 2716 .interval = 1024 * 1024,
e8b0e958
JA
2717 .category = FIO_OPT_C_GENERAL,
2718 .group = FIO_OPT_G_INVALID,
214e1eca 2719 },
214e1eca
JA
2720 {
2721 .name = "rwmixread",
e8b0e958 2722 .lname = "Read/write mix read",
214e1eca 2723 .type = FIO_OPT_INT,
cb499fc4 2724 .cb = str_rwmix_read_cb,
214e1eca
JA
2725 .maxval = 100,
2726 .help = "Percentage of mixed workload that is reads",
2727 .def = "50",
20eb06bd 2728 .interval = 5,
90265353 2729 .inverse = "rwmixwrite",
e8b0e958
JA
2730 .category = FIO_OPT_C_IO,
2731 .group = FIO_OPT_G_RWMIX,
214e1eca
JA
2732 },
2733 {
2734 .name = "rwmixwrite",
e8b0e958 2735 .lname = "Read/write mix write",
214e1eca 2736 .type = FIO_OPT_INT,
cb499fc4 2737 .cb = str_rwmix_write_cb,
214e1eca
JA
2738 .maxval = 100,
2739 .help = "Percentage of mixed workload that is writes",
2740 .def = "50",
20eb06bd 2741 .interval = 5,
90265353 2742 .inverse = "rwmixread",
e8b0e958
JA
2743 .category = FIO_OPT_C_IO,
2744 .group = FIO_OPT_G_RWMIX,
214e1eca 2745 },
afdf9352
JA
2746 {
2747 .name = "rwmixcycle",
e8b0e958 2748 .lname = "Read/write mix cycle",
15ca150e 2749 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA
2750 .category = FIO_OPT_C_IO,
2751 .group = FIO_OPT_G_RWMIX,
afdf9352 2752 },
214e1eca
JA
2753 {
2754 .name = "nice",
e8b0e958 2755 .lname = "Nice",
214e1eca
JA
2756 .type = FIO_OPT_INT,
2757 .off1 = td_var_offset(nice),
2758 .help = "Set job CPU nice value",
2759 .minval = -19,
2760 .maxval = 20,
2761 .def = "0",
20eb06bd 2762 .interval = 1,
e8b0e958 2763 .category = FIO_OPT_C_GENERAL,
10860056 2764 .group = FIO_OPT_G_CRED,
214e1eca
JA
2765 },
2766#ifdef FIO_HAVE_IOPRIO
2767 {
2768 .name = "prio",
e8b0e958 2769 .lname = "I/O nice priority",
214e1eca 2770 .type = FIO_OPT_INT,
28727df7 2771 .off1 = td_var_offset(ioprio),
214e1eca
JA
2772 .help = "Set job IO priority value",
2773 .minval = 0,
2774 .maxval = 7,
20eb06bd 2775 .interval = 1,
e8b0e958 2776 .category = FIO_OPT_C_GENERAL,
10860056 2777 .group = FIO_OPT_G_CRED,
214e1eca
JA
2778 },
2779 {
2780 .name = "prioclass",
e8b0e958 2781 .lname = "I/O nice priority class",
214e1eca 2782 .type = FIO_OPT_INT,
28727df7 2783 .off1 = td_var_offset(ioprio_class),
214e1eca
JA
2784 .help = "Set job IO priority class",
2785 .minval = 0,
2786 .maxval = 3,
20eb06bd 2787 .interval = 1,
e8b0e958 2788 .category = FIO_OPT_C_GENERAL,
10860056 2789 .group = FIO_OPT_G_CRED,
214e1eca
JA
2790 },
2791#endif
2792 {
2793 .name = "thinktime",
e8b0e958 2794 .lname = "Thinktime",
214e1eca
JA
2795 .type = FIO_OPT_INT,
2796 .off1 = td_var_offset(thinktime),
2797 .help = "Idle time between IO buffers (usec)",
2798 .def = "0",
88038bc7 2799 .is_time = 1,
e8b0e958 2800 .category = FIO_OPT_C_IO,
3ceb458f 2801 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
2802 },
2803 {
2804 .name = "thinktime_spin",
e8b0e958 2805 .lname = "Thinktime spin",
214e1eca
JA
2806 .type = FIO_OPT_INT,
2807 .off1 = td_var_offset(thinktime_spin),
2808 .help = "Start think time by spinning this amount (usec)",
2809 .def = "0",
88038bc7 2810 .is_time = 1,
afdf9352 2811 .parent = "thinktime",
d71c154c 2812 .hide = 1,
e8b0e958 2813 .category = FIO_OPT_C_IO,
3ceb458f 2814 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
2815 },
2816 {
2817 .name = "thinktime_blocks",
e8b0e958 2818 .lname = "Thinktime blocks",
214e1eca
JA
2819 .type = FIO_OPT_INT,
2820 .off1 = td_var_offset(thinktime_blocks),
2821 .help = "IO buffer period between 'thinktime'",
2822 .def = "1",
afdf9352 2823 .parent = "thinktime",
d71c154c 2824 .hide = 1,
e8b0e958 2825 .category = FIO_OPT_C_IO,
3ceb458f 2826 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
2827 },
2828 {
2829 .name = "rate",
e8b0e958 2830 .lname = "I/O rate",
e01b22b8 2831 .type = FIO_OPT_INT,
6eaf09d6
SL
2832 .off1 = td_var_offset(rate[DDIR_READ]),
2833 .off2 = td_var_offset(rate[DDIR_WRITE]),
2834 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2835 .help = "Set bandwidth rate",
e8b0e958
JA
2836 .category = FIO_OPT_C_IO,
2837 .group = FIO_OPT_G_RATE,
214e1eca
JA
2838 },
2839 {
2840 .name = "ratemin",
e8b0e958 2841 .lname = "I/O min rate",
e01b22b8 2842 .type = FIO_OPT_INT,
6eaf09d6
SL
2843 .off1 = td_var_offset(ratemin[DDIR_READ]),
2844 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2845 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2846 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2847 .parent = "rate",
d71c154c 2848 .hide = 1,
e8b0e958
JA
2849 .category = FIO_OPT_C_IO,
2850 .group = FIO_OPT_G_RATE,
4e991c23
JA
2851 },
2852 {
2853 .name = "rate_iops",
e8b0e958 2854 .lname = "I/O rate IOPS",
e01b22b8 2855 .type = FIO_OPT_INT,
6eaf09d6
SL
2856 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2857 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2858 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2859 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2860 .hide = 1,
e8b0e958
JA
2861 .category = FIO_OPT_C_IO,
2862 .group = FIO_OPT_G_RATE,
4e991c23
JA
2863 },
2864 {
2865 .name = "rate_iops_min",
e8b0e958 2866 .lname = "I/O min rate IOPS",
e01b22b8 2867 .type = FIO_OPT_INT,
6eaf09d6
SL
2868 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2869 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2870 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2871 .help = "Job must meet this rate or it will be shut down",
afdf9352 2872 .parent = "rate_iops",
d71c154c 2873 .hide = 1,
e8b0e958
JA
2874 .category = FIO_OPT_C_IO,
2875 .group = FIO_OPT_G_RATE,
214e1eca
JA
2876 },
2877 {
2878 .name = "ratecycle",
e8b0e958 2879 .lname = "I/O rate cycle",
214e1eca
JA
2880 .type = FIO_OPT_INT,
2881 .off1 = td_var_offset(ratecycle),
2882 .help = "Window average for rate limits (msec)",
2883 .def = "1000",
afdf9352 2884 .parent = "rate",
d71c154c 2885 .hide = 1,
e8b0e958
JA
2886 .category = FIO_OPT_C_IO,
2887 .group = FIO_OPT_G_RATE,
214e1eca 2888 },
15501535
JA
2889 {
2890 .name = "max_latency",
2891 .type = FIO_OPT_INT,
2892 .off1 = td_var_offset(max_latency),
2893 .help = "Maximum tolerated IO latency (usec)",
88038bc7 2894 .is_time = 1,
1e5324e7 2895 .category = FIO_OPT_C_IO,
3e260a46
JA
2896 .group = FIO_OPT_G_LATPROF,
2897 },
2898 {
2899 .name = "latency_target",
2900 .lname = "Latency Target (usec)",
2901 .type = FIO_OPT_STR_VAL_TIME,
2902 .off1 = td_var_offset(latency_target),
2903 .help = "Ramp to max queue depth supporting this latency",
88038bc7 2904 .is_time = 1,
3e260a46
JA
2905 .category = FIO_OPT_C_IO,
2906 .group = FIO_OPT_G_LATPROF,
2907 },
2908 {
2909 .name = "latency_window",
2910 .lname = "Latency Window (usec)",
2911 .type = FIO_OPT_STR_VAL_TIME,
2912 .off1 = td_var_offset(latency_window),
2913 .help = "Time to sustain latency_target",
88038bc7 2914 .is_time = 1,
3e260a46
JA
2915 .category = FIO_OPT_C_IO,
2916 .group = FIO_OPT_G_LATPROF,
2917 },
2918 {
2919 .name = "latency_percentile",
2920 .lname = "Latency Percentile",
2921 .type = FIO_OPT_FLOAT_LIST,
2922 .off1 = td_var_offset(latency_percentile),
2923 .help = "Percentile of IOs must be below latency_target",
2924 .def = "100",
2925 .maxlen = 1,
2926 .minfp = 0.0,
2927 .maxfp = 100.0,
2928 .category = FIO_OPT_C_IO,
2929 .group = FIO_OPT_G_LATPROF,
15501535 2930 },
214e1eca
JA
2931 {
2932 .name = "invalidate",
e8b0e958 2933 .lname = "Cache invalidate",
214e1eca
JA
2934 .type = FIO_OPT_BOOL,
2935 .off1 = td_var_offset(invalidate_cache),
2936 .help = "Invalidate buffer/page cache prior to running job",
2937 .def = "1",
e8b0e958 2938 .category = FIO_OPT_C_IO,
3ceb458f 2939 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
2940 },
2941 {
2942 .name = "sync",
e8b0e958 2943 .lname = "Synchronous I/O",
214e1eca
JA
2944 .type = FIO_OPT_BOOL,
2945 .off1 = td_var_offset(sync_io),
2946 .help = "Use O_SYNC for buffered writes",
2947 .def = "0",
67a1000f 2948 .parent = "buffered",
d71c154c 2949 .hide = 1,
e8b0e958 2950 .category = FIO_OPT_C_IO,
3ceb458f 2951 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2952 },
214e1eca
JA
2953 {
2954 .name = "create_serialize",
e8b0e958 2955 .lname = "Create serialize",
214e1eca
JA
2956 .type = FIO_OPT_BOOL,
2957 .off1 = td_var_offset(create_serialize),
2958 .help = "Serialize creating of job files",
2959 .def = "1",
e8b0e958
JA
2960 .category = FIO_OPT_C_FILE,
2961 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2962 },
2963 {
2964 .name = "create_fsync",
e8b0e958 2965 .lname = "Create fsync",
214e1eca
JA
2966 .type = FIO_OPT_BOOL,
2967 .off1 = td_var_offset(create_fsync),
03e20d68 2968 .help = "fsync file after creation",
214e1eca 2969 .def = "1",
e8b0e958
JA
2970 .category = FIO_OPT_C_FILE,
2971 .group = FIO_OPT_G_INVALID,
214e1eca 2972 },
814452bd
JA
2973 {
2974 .name = "create_on_open",
e8b0e958 2975 .lname = "Create on open",
814452bd
JA
2976 .type = FIO_OPT_BOOL,
2977 .off1 = td_var_offset(create_on_open),
2978 .help = "Create files when they are opened for IO",
2979 .def = "0",
e8b0e958
JA
2980 .category = FIO_OPT_C_FILE,
2981 .group = FIO_OPT_G_INVALID,
814452bd 2982 },
25460cf6
JA
2983 {
2984 .name = "create_only",
2985 .type = FIO_OPT_BOOL,
2986 .off1 = td_var_offset(create_only),
2987 .help = "Only perform file creation phase",
d17fda71 2988 .category = FIO_OPT_C_FILE,
25460cf6
JA
2989 .def = "0",
2990 },
0b9d69ec 2991 {
afad68f7 2992 .name = "pre_read",
e8b0e958 2993 .lname = "Pre-read files",
afad68f7
ZY
2994 .type = FIO_OPT_BOOL,
2995 .off1 = td_var_offset(pre_read),
03e20d68 2996 .help = "Pre-read files before starting official testing",
afad68f7 2997 .def = "0",
e8b0e958
JA
2998 .category = FIO_OPT_C_FILE,
2999 .group = FIO_OPT_G_INVALID,
afad68f7 3000 },
214e1eca
JA
3001#ifdef FIO_HAVE_CPU_AFFINITY
3002 {
3003 .name = "cpumask",
e8b0e958 3004 .lname = "CPU mask",
214e1eca
JA
3005 .type = FIO_OPT_INT,
3006 .cb = str_cpumask_cb,
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,
3016 .help = "Set CPUs allowed",
e8b0e958 3017 .category = FIO_OPT_C_GENERAL,
10860056 3018 .group = FIO_OPT_G_CRED,
d2e268b0 3019 },
c2acfbac
JA
3020 {
3021 .name = "cpus_allowed_policy",
3022 .lname = "CPUs allowed distribution policy",
3023 .type = FIO_OPT_STR,
3024 .off1 = td_var_offset(cpus_allowed_policy),
3025 .help = "Distribution policy for cpus_allowed",
3026 .parent = "cpus_allowed",
3027 .prio = 1,
3028 .posval = {
3029 { .ival = "shared",
3030 .oval = FIO_CPUS_SHARED,
3031 .help = "Mask shared between threads",
3032 },
3033 { .ival = "split",
3034 .oval = FIO_CPUS_SPLIT,
3035 .help = "Mask split between threads",
3036 },
3037 },
3038 .category = FIO_OPT_C_GENERAL,
3039 .group = FIO_OPT_G_CRED,
3040 },
d0b937ed 3041#endif
67bf9823 3042#ifdef CONFIG_LIBNUMA
d0b937ed
YR
3043 {
3044 .name = "numa_cpu_nodes",
3045 .type = FIO_OPT_STR,
3046 .cb = str_numa_cpunodes_cb,
3047 .help = "NUMA CPU nodes bind",
6be54b2d
JA
3048 .category = FIO_OPT_C_GENERAL,
3049 .group = FIO_OPT_G_INVALID,
d0b937ed
YR
3050 },
3051 {
3052 .name = "numa_mem_policy",
3053 .type = FIO_OPT_STR,
3054 .cb = str_numa_mpol_cb,
3055 .help = "NUMA memory policy setup",
6be54b2d
JA
3056 .category = FIO_OPT_C_GENERAL,
3057 .group = FIO_OPT_G_INVALID,
d0b937ed 3058 },
214e1eca
JA
3059#endif
3060 {
3061 .name = "end_fsync",
e8b0e958 3062 .lname = "End fsync",
214e1eca
JA
3063 .type = FIO_OPT_BOOL,
3064 .off1 = td_var_offset(end_fsync),
3065 .help = "Include fsync at the end of job",
3066 .def = "0",
e8b0e958
JA
3067 .category = FIO_OPT_C_FILE,
3068 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3069 },
3070 {
3071 .name = "fsync_on_close",
e8b0e958 3072 .lname = "Fsync on close",
214e1eca
JA
3073 .type = FIO_OPT_BOOL,
3074 .off1 = td_var_offset(fsync_on_close),
3075 .help = "fsync files on close",
3076 .def = "0",
e8b0e958
JA
3077 .category = FIO_OPT_C_FILE,
3078 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3079 },
3080 {
3081 .name = "unlink",
e8b0e958 3082 .lname = "Unlink file",
214e1eca
JA
3083 .type = FIO_OPT_BOOL,
3084 .off1 = td_var_offset(unlink),
3085 .help = "Unlink created files after job has completed",
3086 .def = "0",
e8b0e958
JA
3087 .category = FIO_OPT_C_FILE,
3088 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3089 },
3090 {
3091 .name = "exitall",
e8b0e958 3092 .lname = "Exit-all on terminate",
214e1eca
JA
3093 .type = FIO_OPT_STR_SET,
3094 .cb = str_exitall_cb,
3095 .help = "Terminate all jobs when one exits",
e8b0e958 3096 .category = FIO_OPT_C_GENERAL,
a1f6afec 3097 .group = FIO_OPT_G_PROCESS,
214e1eca
JA
3098 },
3099 {
3100 .name = "stonewall",
e8b0e958 3101 .lname = "Wait for previous",
d392365e 3102 .alias = "wait_for_previous",
214e1eca
JA
3103 .type = FIO_OPT_STR_SET,
3104 .off1 = td_var_offset(stonewall),
3105 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3106 .category = FIO_OPT_C_GENERAL,
a1f6afec 3107 .group = FIO_OPT_G_PROCESS,
214e1eca 3108 },
b3d62a75
JA
3109 {
3110 .name = "new_group",
e8b0e958 3111 .lname = "New group",
b3d62a75
JA
3112 .type = FIO_OPT_STR_SET,
3113 .off1 = td_var_offset(new_group),
3114 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3115 .category = FIO_OPT_C_GENERAL,
a1f6afec 3116 .group = FIO_OPT_G_PROCESS,
b3d62a75 3117 },
214e1eca
JA
3118 {
3119 .name = "thread",
e8b0e958 3120 .lname = "Thread",
214e1eca
JA
3121 .type = FIO_OPT_STR_SET,
3122 .off1 = td_var_offset(use_thread),
20eb06bd 3123 .help = "Use threads instead of processes",
c8931876
JA
3124#ifdef CONFIG_NO_SHM
3125 .def = "1",
3126 .no_warn_def = 1,
3127#endif
e8b0e958 3128 .category = FIO_OPT_C_GENERAL,
a1f6afec 3129 .group = FIO_OPT_G_PROCESS,
214e1eca
JA
3130 },
3131 {
3132 .name = "write_bw_log",
e8b0e958 3133 .lname = "Write bandwidth log",
203160d5
JA
3134 .type = FIO_OPT_STR_STORE,
3135 .off1 = td_var_offset(bw_log_file),
214e1eca 3136 .help = "Write log of bandwidth during run",
e8b0e958
JA
3137 .category = FIO_OPT_C_LOG,
3138 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3139 },
3140 {
3141 .name = "write_lat_log",
e8b0e958 3142 .lname = "Write latency log",
203160d5
JA
3143 .type = FIO_OPT_STR_STORE,
3144 .off1 = td_var_offset(lat_log_file),
214e1eca 3145 .help = "Write log of latency during run",
e8b0e958
JA
3146 .category = FIO_OPT_C_LOG,
3147 .group = FIO_OPT_G_INVALID,
214e1eca 3148 },
c8eeb9df
JA
3149 {
3150 .name = "write_iops_log",
e8b0e958 3151 .lname = "Write IOPS log",
577c83bd 3152 .type = FIO_OPT_STR_STORE,
203160d5 3153 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3154 .help = "Write log of IOPS during run",
e8b0e958
JA
3155 .category = FIO_OPT_C_LOG,
3156 .group = FIO_OPT_G_INVALID,
c8eeb9df 3157 },
b8bc8cba
JA
3158 {
3159 .name = "log_avg_msec",
e8b0e958 3160 .lname = "Log averaging (msec)",
b8bc8cba
JA
3161 .type = FIO_OPT_INT,
3162 .off1 = td_var_offset(log_avg_msec),
3163 .help = "Average bw/iops/lat logs over this period of time",
3164 .def = "0",
e8b0e958
JA
3165 .category = FIO_OPT_C_LOG,
3166 .group = FIO_OPT_G_INVALID,
b8bc8cba 3167 },
ae588852
JA
3168 {
3169 .name = "log_offset",
3170 .lname = "Log offset of IO",
3171 .type = FIO_OPT_BOOL,
3172 .off1 = td_var_offset(log_offset),
3173 .help = "Include offset of IO for each log entry",
3174 .def = "0",
3175 .category = FIO_OPT_C_LOG,
3176 .group = FIO_OPT_G_INVALID,
3177 },
aee2ab67
JA
3178#ifdef CONFIG_ZLIB
3179 {
3180 .name = "log_compression",
3181 .lname = "Log compression",
3182 .type = FIO_OPT_INT,
3183 .off1 = td_var_offset(log_gz),
3184 .help = "Log in compressed chunks of this size",
3185 .minval = 32 * 1024 * 1024ULL,
3186 .maxval = 512 * 1024 * 1024ULL,
3187 .category = FIO_OPT_C_LOG,
3188 .group = FIO_OPT_G_INVALID,
3189 },
b26317c9
JA
3190 {
3191 .name = "log_store_compressed",
3192 .lname = "Log store compressed",
3193 .type = FIO_OPT_BOOL,
3194 .off1 = td_var_offset(log_gz_store),
3195 .help = "Store logs in a compressed format",
3196 .category = FIO_OPT_C_LOG,
3197 .group = FIO_OPT_G_INVALID,
3198 },
aee2ab67 3199#endif
c504ee55
JA
3200 {
3201 .name = "bwavgtime",
3202 .lname = "Bandwidth average time",
3203 .type = FIO_OPT_INT,
3204 .off1 = td_var_offset(bw_avg_time),
3205 .help = "Time window over which to calculate bandwidth"
3206 " (msec)",
3207 .def = "500",
3208 .parent = "write_bw_log",
3209 .hide = 1,
3210 .interval = 100,
3211 .category = FIO_OPT_C_LOG,
3212 .group = FIO_OPT_G_INVALID,
3213 },
3214 {
3215 .name = "iopsavgtime",
3216 .lname = "IOPS average time",
3217 .type = FIO_OPT_INT,
3218 .off1 = td_var_offset(iops_avg_time),
3219 .help = "Time window over which to calculate IOPS (msec)",
3220 .def = "500",
3221 .parent = "write_iops_log",
3222 .hide = 1,
3223 .interval = 100,
3224 .category = FIO_OPT_C_LOG,
3225 .group = FIO_OPT_G_INVALID,
3226 },
214e1eca
JA
3227 {
3228 .name = "group_reporting",
e8b0e958 3229 .lname = "Group reporting",
d2507043 3230 .type = FIO_OPT_STR_SET,
214e1eca
JA
3231 .off1 = td_var_offset(group_reporting),
3232 .help = "Do reporting on a per-group basis",
10860056 3233 .category = FIO_OPT_C_STAT,
e8b0e958 3234 .group = FIO_OPT_G_INVALID,
214e1eca 3235 },
e9459e5a
JA
3236 {
3237 .name = "zero_buffers",
e8b0e958 3238 .lname = "Zero I/O buffers",
e9459e5a
JA
3239 .type = FIO_OPT_STR_SET,
3240 .off1 = td_var_offset(zero_buffers),
3241 .help = "Init IO buffers to all zeroes",
e8b0e958 3242 .category = FIO_OPT_C_IO,
3ceb458f 3243 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3244 },
5973cafb
JA
3245 {
3246 .name = "refill_buffers",
e8b0e958 3247 .lname = "Refill I/O buffers",
5973cafb
JA
3248 .type = FIO_OPT_STR_SET,
3249 .off1 = td_var_offset(refill_buffers),
3250 .help = "Refill IO buffers on every IO submit",
e8b0e958 3251 .category = FIO_OPT_C_IO,
3ceb458f 3252 .group = FIO_OPT_G_IO_BUF,
5973cafb 3253 },
fd68418e
JA
3254 {
3255 .name = "scramble_buffers",
e8b0e958 3256 .lname = "Scramble I/O buffers",
fd68418e
JA
3257 .type = FIO_OPT_BOOL,
3258 .off1 = td_var_offset(scramble_buffers),
3259 .help = "Slightly scramble buffers on every IO submit",
3260 .def = "1",
e8b0e958 3261 .category = FIO_OPT_C_IO,
3ceb458f 3262 .group = FIO_OPT_G_IO_BUF,
fd68418e 3263 },
ce35b1ec
JA
3264 {
3265 .name = "buffer_pattern",
3266 .lname = "Buffer pattern",
3267 .type = FIO_OPT_STR,
3268 .cb = str_buffer_pattern_cb,
3269 .help = "Fill pattern for IO buffers",
3270 .category = FIO_OPT_C_IO,
3271 .group = FIO_OPT_G_IO_BUF,
3272 },
9c42684e
JA
3273 {
3274 .name = "buffer_compress_percentage",
e8b0e958 3275 .lname = "Buffer compression percentage",
9c42684e 3276 .type = FIO_OPT_INT,
bedc9dc2 3277 .cb = str_buffer_compress_cb,
9c42684e 3278 .maxval = 100,
e7f5de90 3279 .minval = 0,
9c42684e 3280 .help = "How compressible the buffer is (approximately)",
20eb06bd 3281 .interval = 5,
e8b0e958 3282 .category = FIO_OPT_C_IO,
3ceb458f 3283 .group = FIO_OPT_G_IO_BUF,
9c42684e 3284 },
f97a43a1
JA
3285 {
3286 .name = "buffer_compress_chunk",
e8b0e958 3287 .lname = "Buffer compression chunk size",
f97a43a1
JA
3288 .type = FIO_OPT_INT,
3289 .off1 = td_var_offset(compress_chunk),
207b18e4 3290 .parent = "buffer_compress_percentage",
d71c154c 3291 .hide = 1,
f97a43a1 3292 .help = "Size of compressible region in buffer",
20eb06bd 3293 .interval = 256,
e8b0e958 3294 .category = FIO_OPT_C_IO,
3ceb458f 3295 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3296 },
5c94b008
JA
3297 {
3298 .name = "dedupe_percentage",
3299 .lname = "Dedupe percentage",
3300 .type = FIO_OPT_INT,
3301 .cb = str_dedupe_cb,
3302 .maxval = 100,
3303 .minval = 0,
3304 .help = "Percentage of buffers that are dedupable",
3305 .interval = 1,
3306 .category = FIO_OPT_C_IO,
3307 .group = FIO_OPT_G_IO_BUF,
3308 },
83349190
YH
3309 {
3310 .name = "clat_percentiles",
e8b0e958 3311 .lname = "Completion latency percentiles",
83349190
YH
3312 .type = FIO_OPT_BOOL,
3313 .off1 = td_var_offset(clat_percentiles),
3314 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3315 .def = "1",
e8b0e958
JA
3316 .category = FIO_OPT_C_STAT,
3317 .group = FIO_OPT_G_INVALID,
83349190
YH
3318 },
3319 {
3320 .name = "percentile_list",
e8b0e958 3321 .lname = "Completion latency percentile list",
83349190
YH
3322 .type = FIO_OPT_FLOAT_LIST,
3323 .off1 = td_var_offset(percentile_list),
435d195a 3324 .off2 = td_var_offset(percentile_precision),
83349190 3325 .help = "Specify a custom list of percentiles to report",
fd112d34 3326 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH
3327 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3328 .minfp = 0.0,
3329 .maxfp = 100.0,
e8b0e958
JA
3330 .category = FIO_OPT_C_STAT,
3331 .group = FIO_OPT_G_INVALID,
83349190
YH
3332 },
3333
0a839f30
JA
3334#ifdef FIO_HAVE_DISK_UTIL
3335 {
3336 .name = "disk_util",
e8b0e958 3337 .lname = "Disk utilization",
0a839f30
JA
3338 .type = FIO_OPT_BOOL,
3339 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3340 .help = "Log disk utilization statistics",
0a839f30 3341 .def = "1",
e8b0e958
JA
3342 .category = FIO_OPT_C_STAT,
3343 .group = FIO_OPT_G_INVALID,
0a839f30
JA
3344 },
3345#endif
993bf48b
JA
3346 {
3347 .name = "gtod_reduce",
e8b0e958 3348 .lname = "Reduce gettimeofday() calls",
993bf48b
JA
3349 .type = FIO_OPT_BOOL,
3350 .help = "Greatly reduce number of gettimeofday() calls",
3351 .cb = str_gtod_reduce_cb,
3352 .def = "0",
a4ed77fe 3353 .hide_on_set = 1,
e8b0e958
JA
3354 .category = FIO_OPT_C_STAT,
3355 .group = FIO_OPT_G_INVALID,
993bf48b 3356 },
02af0988
JA
3357 {
3358 .name = "disable_lat",
e8b0e958 3359 .lname = "Disable all latency stats",
02af0988
JA
3360 .type = FIO_OPT_BOOL,
3361 .off1 = td_var_offset(disable_lat),
3362 .help = "Disable latency numbers",
3363 .parent = "gtod_reduce",
d71c154c 3364 .hide = 1,
02af0988 3365 .def = "0",
e8b0e958
JA
3366 .category = FIO_OPT_C_STAT,
3367 .group = FIO_OPT_G_INVALID,
02af0988 3368 },
9520ebb9
JA
3369 {
3370 .name = "disable_clat",
e8b0e958 3371 .lname = "Disable completion latency stats",
9520ebb9
JA
3372 .type = FIO_OPT_BOOL,
3373 .off1 = td_var_offset(disable_clat),
3374 .help = "Disable completion latency numbers",
993bf48b 3375 .parent = "gtod_reduce",
d71c154c 3376 .hide = 1,
9520ebb9 3377 .def = "0",
e8b0e958
JA
3378 .category = FIO_OPT_C_STAT,
3379 .group = FIO_OPT_G_INVALID,
9520ebb9
JA
3380 },
3381 {
3382 .name = "disable_slat",
e8b0e958 3383 .lname = "Disable submission latency stats",
9520ebb9
JA
3384 .type = FIO_OPT_BOOL,
3385 .off1 = td_var_offset(disable_slat),
03e20d68 3386 .help = "Disable submission latency numbers",
993bf48b 3387 .parent = "gtod_reduce",
d71c154c 3388 .hide = 1,
9520ebb9 3389 .def = "0",
e8b0e958
JA
3390 .category = FIO_OPT_C_STAT,
3391 .group = FIO_OPT_G_INVALID,
9520ebb9
JA
3392 },
3393 {
3394 .name = "disable_bw_measurement",
e8b0e958 3395 .lname = "Disable bandwidth stats",
9520ebb9
JA
3396 .type = FIO_OPT_BOOL,
3397 .off1 = td_var_offset(disable_bw),
3398 .help = "Disable bandwidth logging",
993bf48b 3399 .parent = "gtod_reduce",
d71c154c 3400 .hide = 1,
9520ebb9 3401 .def = "0",
e8b0e958
JA
3402 .category = FIO_OPT_C_STAT,
3403 .group = FIO_OPT_G_INVALID,
9520ebb9 3404 },
be4ecfdf
JA
3405 {
3406 .name = "gtod_cpu",
e8b0e958 3407 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA
3408 .type = FIO_OPT_INT,
3409 .cb = str_gtod_cpu_cb,
03e20d68 3410 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3411 .verify = gtod_cpu_verify,
e8b0e958 3412 .category = FIO_OPT_C_GENERAL,
10860056 3413 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3414 },
771e58be
JA
3415 {
3416 .name = "unified_rw_reporting",
3417 .type = FIO_OPT_BOOL,
3418 .off1 = td_var_offset(unified_rw_rep),
3419 .help = "Unify reporting across data direction",
3420 .def = "0",
90b7a96d
JA
3421 .category = FIO_OPT_C_GENERAL,
3422 .group = FIO_OPT_G_INVALID,
771e58be 3423 },
f2bba182
RR
3424 {
3425 .name = "continue_on_error",
e8b0e958 3426 .lname = "Continue on error",
06842027 3427 .type = FIO_OPT_STR,
f2bba182 3428 .off1 = td_var_offset(continue_on_error),
03e20d68 3429 .help = "Continue on non-fatal errors during IO",
06842027 3430 .def = "none",
e8b0e958 3431 .category = FIO_OPT_C_GENERAL,
bc3f552f 3432 .group = FIO_OPT_G_ERR,
06842027
SL
3433 .posval = {
3434 { .ival = "none",
3435 .oval = ERROR_TYPE_NONE,
3436 .help = "Exit when an error is encountered",
3437 },
3438 { .ival = "read",
3439 .oval = ERROR_TYPE_READ,
3440 .help = "Continue on read errors only",
3441 },
3442 { .ival = "write",
3443 .oval = ERROR_TYPE_WRITE,
3444 .help = "Continue on write errors only",
3445 },
3446 { .ival = "io",
3447 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3448 .help = "Continue on any IO errors",
3449 },
3450 { .ival = "verify",
3451 .oval = ERROR_TYPE_VERIFY,
3452 .help = "Continue on verify errors only",
3453 },
3454 { .ival = "all",
3455 .oval = ERROR_TYPE_ANY,
3456 .help = "Continue on all io and verify errors",
3457 },
3458 { .ival = "0",
3459 .oval = ERROR_TYPE_NONE,
3460 .help = "Alias for 'none'",
3461 },
3462 { .ival = "1",
3463 .oval = ERROR_TYPE_ANY,
3464 .help = "Alias for 'all'",
3465 },
3466 },
f2bba182 3467 },
8b28bd41
DM
3468 {
3469 .name = "ignore_error",
3470 .type = FIO_OPT_STR,
3471 .cb = str_ignore_error_cb,
3472 .help = "Set a specific list of errors to ignore",
3473 .parent = "rw",
a94eb99a 3474 .category = FIO_OPT_C_GENERAL,
bc3f552f 3475 .group = FIO_OPT_G_ERR,
8b28bd41
DM
3476 },
3477 {
3478 .name = "error_dump",
3479 .type = FIO_OPT_BOOL,
3480 .off1 = td_var_offset(error_dump),
3481 .def = "0",
3482 .help = "Dump info on each error",
a94eb99a 3483 .category = FIO_OPT_C_GENERAL,
bc3f552f 3484 .group = FIO_OPT_G_ERR,
8b28bd41 3485 },
9ac8a797
JA
3486 {
3487 .name = "profile",
e8b0e958 3488 .lname = "Profile",
79d16311 3489 .type = FIO_OPT_STR_STORE,
9ac8a797 3490 .off1 = td_var_offset(profile),
9ac8a797 3491 .help = "Select a specific builtin performance test",
13fca827 3492 .category = FIO_OPT_C_PROFILE,
e8b0e958 3493 .group = FIO_OPT_G_INVALID,
9ac8a797 3494 },
a696fa2a
JA
3495 {
3496 .name = "cgroup",
e8b0e958 3497 .lname = "Cgroup",
a696fa2a
JA
3498 .type = FIO_OPT_STR_STORE,
3499 .off1 = td_var_offset(cgroup),
3500 .help = "Add job to cgroup of this name",
e8b0e958 3501 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA
3502 .group = FIO_OPT_G_CGROUP,
3503 },
3504 {
3505 .name = "cgroup_nodelete",
3506 .lname = "Cgroup no-delete",
3507 .type = FIO_OPT_BOOL,
3508 .off1 = td_var_offset(cgroup_nodelete),
3509 .help = "Do not delete cgroups after job completion",
3510 .def = "0",
3511 .parent = "cgroup",
3512 .category = FIO_OPT_C_GENERAL,
3513 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA
3514 },
3515 {
3516 .name = "cgroup_weight",
e8b0e958 3517 .lname = "Cgroup weight",
a696fa2a
JA
3518 .type = FIO_OPT_INT,
3519 .off1 = td_var_offset(cgroup_weight),
3520 .help = "Use given weight for cgroup",
3521 .minval = 100,
3522 .maxval = 1000,
a1f6afec 3523 .parent = "cgroup",
e8b0e958 3524 .category = FIO_OPT_C_GENERAL,
a1f6afec 3525 .group = FIO_OPT_G_CGROUP,
7de87099 3526 },
e0b0d892
JA
3527 {
3528 .name = "uid",
e8b0e958 3529 .lname = "User ID",
e0b0d892
JA
3530 .type = FIO_OPT_INT,
3531 .off1 = td_var_offset(uid),
3532 .help = "Run job with this user ID",
e8b0e958 3533 .category = FIO_OPT_C_GENERAL,
10860056 3534 .group = FIO_OPT_G_CRED,
e0b0d892
JA
3535 },
3536 {
3537 .name = "gid",
e8b0e958 3538 .lname = "Group ID",
e0b0d892
JA
3539 .type = FIO_OPT_INT,
3540 .off1 = td_var_offset(gid),
3541 .help = "Run job with this group ID",
e8b0e958 3542 .category = FIO_OPT_C_GENERAL,
10860056 3543 .group = FIO_OPT_G_CRED,
e0b0d892 3544 },
a1f6afec
JA
3545 {
3546 .name = "kb_base",
3547 .lname = "KB Base",
3548 .type = FIO_OPT_INT,