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exp: small code cleanup
[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
0de5b26f 105 if (str_to_decimal(fname, &val, 1, o, 0)) {
564ca972 106 log_err("fio: bssplit conversion failed\n");
d8b97c8e 107 free(bssplit);
564ca972
JA		 108 return 1;
109 }
110
111 if (val > max_bs)
112 max_bs = val;
113 if (val < min_bs)
114 min_bs = val;
115
720e84ad
JA		 116 bssplit[i].bs = val;
117 bssplit[i].perc = perc;
564ca972
JA		 118 i++;
119 }
120
83ea422a 121 o->bssplit_nr[ddir] = i;
564ca972
JA		 122
123 /*
124 * Now check if the percentages add up, and how much is missing
125 */
126 perc = perc_missing = 0;
83ea422a 127 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 128 struct bssplit *bsp = &bssplit[i];
564ca972 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
0de5b26f 345 if (str_to_decimal(nr, &val, 1, o, 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);
925fee33 741 if (nr && !str_to_float(nr, &val)) {
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) {
ce35b1ec
JA		 1034 td->o.refill_buffers = 0;
1035 td->o.scramble_buffers = 0;
1036 td->o.zero_buffers = 0;
d2ba0d7c
JA		 1037 } else {
1038 log_err("fio: failed parsing pattern `%s`\n", input);
1039 ret = 1;
9a2a86d0 1040 }
efcd9dcc 1041
ce35b1ec
JA		 1042 return ret;
1043}
1044
bedc9dc2
JA		 1045static int str_buffer_compress_cb(void *data, unsigned long long *il)
1046{
1047 struct thread_data *td = data;
1048
1049 td->flags |= TD_F_COMPRESS;
1050 td->o.compress_percentage = *il;
1051 return 0;
1052}
1053
5c94b008
JA		 1054static int str_dedupe_cb(void *data, unsigned long long *il)
1055{
1056 struct thread_data *td = data;
1057
1058 td->flags |= TD_F_COMPRESS;
1059 td->o.dedupe_percentage = *il;
1060 td->o.refill_buffers = 1;
1061 return 0;
1062}
1063
ce35b1ec
JA		 1064static int str_verify_pattern_cb(void *data, const char *input)
1065{
1066 struct thread_data *td = data;
1067 int ret;
1068
1069 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1070 &td->o.verify_pattern_bytes);
efcd9dcc 1071
92bf48d5
JA		 1072 /*
1073 * VERIFY_META could already be set
1074 */
ce35b1ec 1075 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 1076 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1077
ce35b1ec 1078 return ret;
90059d65 1079}
214e1eca 1080
993bf48b
JA		 1081static int str_gtod_reduce_cb(void *data, int *il)
1082{
1083 struct thread_data *td = data;
1084 int val = *il;
1085
02af0988 1086 td->o.disable_lat = !!val;
993bf48b
JA		 1087 td->o.disable_clat = !!val;
1088 td->o.disable_slat = !!val;
1089 td->o.disable_bw = !!val;
0dc1bc03 1090 td->o.clat_percentiles = !val;
993bf48b
JA		 1091 if (val)
1092 td->tv_cache_mask = 63;
1093
1094 return 0;
1095}
1096
85bc833b 1097static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA		 1098{
1099 struct thread_data *td = data;
1100 int val = *il;
1101
1102 td->o.gtod_cpu = val;
1103 td->o.gtod_offload = 1;
1104 return 0;
1105}
1106
7bb59102
JA		 1107static int str_size_cb(void *data, unsigned long long *__val)
1108{
1109 struct thread_data *td = data;
1110 unsigned long long v = *__val;
1111
1112 if (parse_is_percent(v)) {
1113 td->o.size = 0;
1114 td->o.size_percent = -1ULL - v;
1115 } else
1116 td->o.size = v;
1117
1118 return 0;
1119}
1120
896cac2a
JA		 1121static int rw_verify(struct fio_option *o, void *data)
1122{
1123 struct thread_data *td = data;
1124
1125 if (read_only && td_write(td)) {
1126 log_err("fio: job <%s> has write bit set, but fio is in"
1127 " read-only mode\n", td->o.name);
1128 return 1;
1129 }
1130
1131 return 0;
1132}
1133
276ca4f7 1134static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1135{
276ca4f7 1136#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1137 struct thread_data *td = data;
1138
29d43ff9
JA		 1139 if (td->o.gtod_cpu) {
1140 log_err("fio: platform must support CPU affinity for"
1141 "gettimeofday() offloading\n");
1142 return 1;
1143 }
1144#endif
1145
1146 return 0;
1147}
1148
9af4a244
JA		 1149/*
1150 * Option grouping
1151 */
1152static struct opt_group fio_opt_groups[] = {
1153 {
e8b0e958
JA		 1154 .name = "General",
1155 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 1156 },
1157 {
e8b0e958
JA		 1158 .name = "I/O",
1159 .mask = FIO_OPT_C_IO,
9af4a244
JA		 1160 },
1161 {
e8b0e958
JA		 1162 .name = "File",
1163 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 1164 },
1165 {
e8b0e958
JA		 1166 .name = "Statistics",
1167 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 1168 },
1169 {
e8b0e958
JA		 1170 .name = "Logging",
1171 .mask = FIO_OPT_C_LOG,
9af4a244 1172 },
13fca827
JA		 1173 {
1174 .name = "Profiles",
1175 .mask = FIO_OPT_C_PROFILE,
1176 },
e231bbe6 1177 {
e8b0e958 1178 .name = NULL,
e231bbe6 1179 },
e8b0e958
JA		 1180};
1181
1182static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1183 unsigned int inv_mask)
1184{
1185 struct opt_group *og;
1186 int i;
1187
1188 if (*mask == inv_mask || !*mask)
1189 return NULL;
1190
1191 for (i = 0; ogs[i].name; i++) {
1192 og = &ogs[i];
1193
1194 if (*mask & og->mask) {
1195 *mask &= ~(og->mask);
1196 return og;
1197 }
1198 }
1199
1200 return NULL;
1201}
1202
1203struct opt_group *opt_group_from_mask(unsigned int *mask)
1204{
1205 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1206}
1207
1208static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA		 1209 {
1210 .name = "Latency profiling",
1211 .mask = FIO_OPT_G_LATPROF,
1212 },
9af4a244 1213 {
e8b0e958
JA		 1214 .name = "Rate",
1215 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1216 },
1217 {
e8b0e958
JA		 1218 .name = "Zone",
1219 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1220 },
1221 {
e8b0e958
JA		 1222 .name = "Read/write mix",
1223 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1224 },
1225 {
1226 .name = "Verify",
1227 .mask = FIO_OPT_G_VERIFY,
1228 },
1229 {
e8b0e958
JA		 1230 .name = "Trim",
1231 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1232 },
1233 {
e8b0e958
JA		 1234 .name = "I/O Logging",
1235 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1236 },
1237 {
e8b0e958
JA		 1238 .name = "I/O Depth",
1239 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1240 },
1241 {
e8b0e958
JA		 1242 .name = "I/O Flow",
1243 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1244 },
0626037e
JA		 1245 {
1246 .name = "Description",
1247 .mask = FIO_OPT_G_DESC,
1248 },
1249 {
1250 .name = "Filename",
1251 .mask = FIO_OPT_G_FILENAME,
1252 },
1253 {
1254 .name = "General I/O",
1255 .mask = FIO_OPT_G_IO_BASIC,
1256 },
a1f6afec
JA		 1257 {
1258 .name = "Cgroups",
1259 .mask = FIO_OPT_G_CGROUP,
1260 },
1261 {
1262 .name = "Runtime",
1263 .mask = FIO_OPT_G_RUNTIME,
1264 },
10860056
JA		 1265 {
1266 .name = "Process",
1267 .mask = FIO_OPT_G_PROCESS,
1268 },
1269 {
1270 .name = "Job credentials / priority",
1271 .mask = FIO_OPT_G_CRED,
1272 },
1273 {
1274 .name = "Clock settings",
1275 .mask = FIO_OPT_G_CLOCK,
1276 },
3ceb458f
JA		 1277 {
1278 .name = "I/O Type",
1279 .mask = FIO_OPT_G_IO_TYPE,
1280 },
1281 {
1282 .name = "I/O Thinktime",
1283 .mask = FIO_OPT_G_THINKTIME,
1284 },
1285 {
1286 .name = "Randomizations",
1287 .mask = FIO_OPT_G_RANDOM,
1288 },
1289 {
1290 .name = "I/O buffers",
1291 .mask = FIO_OPT_G_IO_BUF,
1292 },
13fca827
JA		 1293 {
1294 .name = "Tiobench profile",
1295 .mask = FIO_OPT_G_TIOBENCH,
1296 },
1297
9af4a244
JA		 1298 {
1299 .name = NULL,
e8b0e958 1300 }
9af4a244
JA		 1301};
1302
e8b0e958 1303struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1304{
e8b0e958 1305 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1306}
1307
214e1eca
JA		 1308/*
1309 * Map of job/command line options
1310 */
9af4a244 1311struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1312 {
1313 .name = "description",
e8b0e958 1314 .lname = "Description of job",
214e1eca
JA		 1315 .type = FIO_OPT_STR_STORE,
1316 .off1 = td_var_offset(description),
1317 .help = "Text job description",
e8b0e958 1318 .category = FIO_OPT_C_GENERAL,
0626037e 1319 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1320 },
1321 {
1322 .name = "name",
e8b0e958 1323 .lname = "Job name",
214e1eca
JA		 1324 .type = FIO_OPT_STR_STORE,
1325 .off1 = td_var_offset(name),
1326 .help = "Name of this job",
e8b0e958 1327 .category = FIO_OPT_C_GENERAL,
0626037e 1328 .group = FIO_OPT_G_DESC,
214e1eca 1329 },
214e1eca
JA		 1330 {
1331 .name = "filename",
e8b0e958 1332 .lname = "Filename(s)",
214e1eca
JA		 1333 .type = FIO_OPT_STR_STORE,
1334 .off1 = td_var_offset(filename),
1335 .cb = str_filename_cb,
f0d524b0 1336 .prio = -1, /* must come after "directory" */
214e1eca 1337 .help = "File(s) to use for the workload",
e8b0e958 1338 .category = FIO_OPT_C_FILE,
0626037e 1339 .group = FIO_OPT_G_FILENAME,
214e1eca 1340 },
90fef2d1 1341 {
e8b0e958
JA		 1342 .name = "directory",
1343 .lname = "Directory",
1344 .type = FIO_OPT_STR_STORE,
1345 .off1 = td_var_offset(directory),
1346 .cb = str_directory_cb,
1347 .help = "Directory to store files in",
1348 .category = FIO_OPT_C_FILE,
0626037e 1349 .group = FIO_OPT_G_FILENAME,
90fef2d1 1350 },
de98bd30
JA		 1351 {
1352 .name = "filename_format",
1353 .type = FIO_OPT_STR_STORE,
1354 .off1 = td_var_offset(filename_format),
1355 .prio = -1, /* must come after "directory" */
1356 .help = "Override default $jobname.$jobnum.$filenum naming",
1357 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1358 .category = FIO_OPT_C_FILE,
1359 .group = FIO_OPT_G_FILENAME,
ad705bcb 1360 },
29c1349f
JA		 1361 {
1362 .name = "lockfile",
e8b0e958 1363 .lname = "Lockfile",
4d4e80f2 1364 .type = FIO_OPT_STR,
4d4e80f2 1365 .off1 = td_var_offset(file_lock_mode),
29c1349f 1366 .help = "Lock file when doing IO to it",
bc6a0a5d 1367 .prio = 1,
29c1349f 1368 .parent = "filename",
d71c154c 1369 .hide = 0,
4d4e80f2 1370 .def = "none",
f2a2803a 1371 .cb = str_lockfile_cb,
e8b0e958 1372 .category = FIO_OPT_C_FILE,
0626037e 1373 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1374 .posval = {
1375 { .ival = "none",
1376 .oval = FILE_LOCK_NONE,
1377 .help = "No file locking",
1378 },
1379 { .ival = "exclusive",
1380 .oval = FILE_LOCK_EXCLUSIVE,
1381 .help = "Exclusive file lock",
1382 },
1383 {
1384 .ival = "readwrite",
1385 .oval = FILE_LOCK_READWRITE,
1386 .help = "Read vs write lock",
1387 },
1388 },
29c1349f 1389 },
214e1eca
JA		 1390 {
1391 .name = "opendir",
e8b0e958 1392 .lname = "Open directory",
214e1eca
JA		 1393 .type = FIO_OPT_STR_STORE,
1394 .off1 = td_var_offset(opendir),
1395 .cb = str_opendir_cb,
1396 .help = "Recursively add files from this directory and down",
e8b0e958 1397 .category = FIO_OPT_C_FILE,
0626037e 1398 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1399 },
1400 {
1401 .name = "rw",
e8b0e958 1402 .lname = "Read/write",
d3aad8f2 1403 .alias = "readwrite",
214e1eca 1404 .type = FIO_OPT_STR,
211097b2 1405 .cb = str_rw_cb,
214e1eca
JA		 1406 .off1 = td_var_offset(td_ddir),
1407 .help = "IO direction",
1408 .def = "read",
896cac2a 1409 .verify = rw_verify,
e8b0e958 1410 .category = FIO_OPT_C_IO,
0626037e 1411 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1412 .posval = {
1413 { .ival = "read",
1414 .oval = TD_DDIR_READ,
1415 .help = "Sequential read",
1416 },
1417 { .ival = "write",
1418 .oval = TD_DDIR_WRITE,
1419 .help = "Sequential write",
1420 },
6eaf09d6
SL		 1421 { .ival = "trim",
1422 .oval = TD_DDIR_TRIM,
1423 .help = "Sequential trim",
1424 },
214e1eca
JA		 1425 { .ival = "randread",
1426 .oval = TD_DDIR_RANDREAD,
1427 .help = "Random read",
1428 },
1429 { .ival = "randwrite",
1430 .oval = TD_DDIR_RANDWRITE,
1431 .help = "Random write",
1432 },
6eaf09d6
SL		 1433 { .ival = "randtrim",
1434 .oval = TD_DDIR_RANDTRIM,
1435 .help = "Random trim",
1436 },
214e1eca
JA		 1437 { .ival = "rw",
1438 .oval = TD_DDIR_RW,
1439 .help = "Sequential read and write mix",
1440 },
10b023db
JA		 1441 { .ival = "readwrite",
1442 .oval = TD_DDIR_RW,
1443 .help = "Sequential read and write mix",
1444 },
214e1eca
JA		 1445 { .ival = "randrw",
1446 .oval = TD_DDIR_RANDRW,
1447 .help = "Random read and write mix"
1448 },
1449 },
1450 },
38dad62d
JA		 1451 {
1452 .name = "rw_sequencer",
e8b0e958 1453 .lname = "RW Sequencer",
38dad62d
JA		 1454 .type = FIO_OPT_STR,
1455 .off1 = td_var_offset(rw_seq),
1456 .help = "IO offset generator modifier",
1457 .def = "sequential",
e8b0e958 1458 .category = FIO_OPT_C_IO,
0626037e 1459 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1460 .posval = {
1461 { .ival = "sequential",
1462 .oval = RW_SEQ_SEQ,
1463 .help = "Generate sequential offsets",
1464 },
1465 { .ival = "identical",
1466 .oval = RW_SEQ_IDENT,
1467 .help = "Generate identical offsets",
1468 },
1469 },
1470 },
1471
214e1eca
JA		 1472 {
1473 .name = "ioengine",
e8b0e958 1474 .lname = "IO Engine",
214e1eca
JA		 1475 .type = FIO_OPT_STR_STORE,
1476 .off1 = td_var_offset(ioengine),
1477 .help = "IO engine to use",
58483fa4 1478 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1479 .category = FIO_OPT_C_IO,
0626037e 1480 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1481 .posval = {
1482 { .ival = "sync",
1483 .help = "Use read/write",
1484 },
a31041ea 1485 { .ival = "psync",
1486 .help = "Use pread/pwrite",
1487 },
1d2af02a 1488 { .ival = "vsync",
03e20d68 1489 .help = "Use readv/writev",
1d2af02a 1490 },
07fc0acd
JA		 1491#ifdef CONFIG_PWRITEV
1492 { .ival = "pvsync",
1493 .help = "Use preadv/pwritev",
1494 },
1495#endif
67bf9823 1496#ifdef CONFIG_LIBAIO
214e1eca
JA		 1497 { .ival = "libaio",
1498 .help = "Linux native asynchronous IO",
1499 },
1500#endif
67bf9823 1501#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1502 { .ival = "posixaio",
1503 .help = "POSIX asynchronous IO",
1504 },
417f0068 1505#endif
997843cb 1506#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1507 { .ival = "solarisaio",
1508 .help = "Solaris native asynchronous IO",
1509 },
214e1eca 1510#endif
4700b234 1511#ifdef CONFIG_WINDOWSAIO
03e20d68 1512 { .ival = "windowsaio",
3be80071 1513 .help = "Windows native asynchronous IO"
de890a1e 1514 },
fc5c0345
DG		 1515#endif
1516#ifdef CONFIG_RBD
1517 { .ival = "rbd",
1518 .help = "Rados Block Device asynchronous IO"
1519 },
3be80071 1520#endif
214e1eca 1521 { .ival = "mmap",
03e20d68 1522 .help = "Memory mapped IO"
214e1eca 1523 },
67bf9823 1524#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1525 { .ival = "splice",
1526 .help = "splice/vmsplice based IO",
1527 },
9cce02e8
JA		 1528 { .ival = "netsplice",
1529 .help = "splice/vmsplice to/from the network",
1530 },
214e1eca
JA		 1531#endif
1532#ifdef FIO_HAVE_SGIO
1533 { .ival = "sg",
1534 .help = "SCSI generic v3 IO",
1535 },
1536#endif
1537 { .ival = "null",
1538 .help = "Testing engine (no data transfer)",
1539 },
1540 { .ival = "net",
1541 .help = "Network IO",
1542 },
214e1eca 1543 { .ival = "cpuio",
03e20d68 1544 .help = "CPU cycle burner engine",
214e1eca 1545 },
67bf9823 1546#ifdef CONFIG_GUASI
b8c82a46
JA		 1547 { .ival = "guasi",
1548 .help = "GUASI IO engine",
1549 },
79a43187
JA		 1550#endif
1551#ifdef FIO_HAVE_BINJECT
1552 { .ival = "binject",
1553 .help = "binject direct inject block engine",
1554 },
21b8aee8 1555#endif
67bf9823 1556#ifdef CONFIG_RDMA
21b8aee8 1557 { .ival = "rdma",
1558 .help = "RDMA IO engine",
1559 },
8200b8c7 1560#endif
67bf9823 1561#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1562 { .ival = "fusion-aw-sync",
1563 .help = "Fusion-io atomic write engine",
1564 },
1ecc95ca 1565#endif
997843cb 1566#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1567 { .ival = "e4defrag",
1568 .help = "ext4 defrag engine",
1569 },
1570#endif
997843cb 1571#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1572 { .ival = "falloc",
1573 .help = "fallocate() file based engine",
1574 },
b8c82a46 1575#endif
a7c386f4 1576#ifdef CONFIG_GFAPI
1577 { .ival = "gfapi",
cc47f094 1578 .help = "Glusterfs libgfapi(sync) based engine"
1579 },
1580 { .ival = "gfapi_async",
1581 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1582 },
1583#endif
1b10477b 1584#ifdef CONFIG_LIBHDFS
b74e419e 1585 { .ival = "libhdfs",
1b10477b
MM		 1586 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1587 },
1588#endif
214e1eca
JA		 1589 { .ival = "external",
1590 .help = "Load external engine (append name)",
1591 },
1592 },
1593 },
1594 {
1595 .name = "iodepth",
e8b0e958 1596 .lname = "IO Depth",
214e1eca
JA		 1597 .type = FIO_OPT_INT,
1598 .off1 = td_var_offset(iodepth),
03e20d68 1599 .help = "Number of IO buffers to keep in flight",
757aff4f 1600 .minval = 1,
20eb06bd 1601 .interval = 1,
214e1eca 1602 .def = "1",
e8b0e958 1603 .category = FIO_OPT_C_IO,
0626037e 1604 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1605 },
1606 {
1607 .name = "iodepth_batch",
e8b0e958 1608 .lname = "IO Depth batch",
4950421a 1609 .alias = "iodepth_batch_submit",
214e1eca
JA		 1610 .type = FIO_OPT_INT,
1611 .off1 = td_var_offset(iodepth_batch),
d65db441 1612 .help = "Number of IO buffers to submit in one go",
afdf9352 1613 .parent = "iodepth",
d71c154c 1614 .hide = 1,
a2e6f8ac 1615 .minval = 1,
20eb06bd 1616 .interval = 1,
a2e6f8ac 1617 .def = "1",
e8b0e958 1618 .category = FIO_OPT_C_IO,
0626037e 1619 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1620 },
1621 {
1622 .name = "iodepth_batch_complete",
e8b0e958 1623 .lname = "IO Depth batch complete",
4950421a
JA		 1624 .type = FIO_OPT_INT,
1625 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1626 .help = "Number of IO buffers to retrieve in one go",
4950421a 1627 .parent = "iodepth",
d71c154c 1628 .hide = 1,
4950421a 1629 .minval = 0,
20eb06bd 1630 .interval = 1,
4950421a 1631 .def = "1",
e8b0e958 1632 .category = FIO_OPT_C_IO,
0626037e 1633 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1634 },
1635 {
1636 .name = "iodepth_low",
e8b0e958 1637 .lname = "IO Depth batch low",
214e1eca
JA		 1638 .type = FIO_OPT_INT,
1639 .off1 = td_var_offset(iodepth_low),
1640 .help = "Low water mark for queuing depth",
afdf9352 1641 .parent = "iodepth",
d71c154c 1642 .hide = 1,
20eb06bd 1643 .interval = 1,
e8b0e958 1644 .category = FIO_OPT_C_IO,
0626037e 1645 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1646 },
1647 {
1648 .name = "size",
e8b0e958 1649 .lname = "Size",
214e1eca 1650 .type = FIO_OPT_STR_VAL,
7bb59102 1651 .cb = str_size_cb,
214e1eca 1652 .help = "Total size of device or files",
20eb06bd 1653 .interval = 1024 * 1024,
e8b0e958
JA		 1654 .category = FIO_OPT_C_IO,
1655 .group = FIO_OPT_G_INVALID,
214e1eca 1656 },
77731b29
JA		 1657 {
1658 .name = "io_limit",
1659 .lname = "IO Limit",
1660 .type = FIO_OPT_STR_VAL,
1661 .off1 = td_var_offset(io_limit),
1662 .interval = 1024 * 1024,
1663 .category = FIO_OPT_C_IO,
1664 .group = FIO_OPT_G_INVALID,
1665 },
aa31f1f1
SL		 1666 {
1667 .name = "fill_device",
e8b0e958 1668 .lname = "Fill device",
74586c1e 1669 .alias = "fill_fs",
aa31f1f1
SL		 1670 .type = FIO_OPT_BOOL,
1671 .off1 = td_var_offset(fill_device),
1672 .help = "Write until an ENOSPC error occurs",
1673 .def = "0",
e8b0e958
JA		 1674 .category = FIO_OPT_C_FILE,
1675 .group = FIO_OPT_G_INVALID,
aa31f1f1 1676 },
214e1eca
JA		 1677 {
1678 .name = "filesize",
e8b0e958 1679 .lname = "File size",
214e1eca
JA		 1680 .type = FIO_OPT_STR_VAL,
1681 .off1 = td_var_offset(file_size_low),
1682 .off2 = td_var_offset(file_size_high),
c3edbdba 1683 .minval = 1,
214e1eca 1684 .help = "Size of individual files",
20eb06bd 1685 .interval = 1024 * 1024,
e8b0e958
JA		 1686 .category = FIO_OPT_C_FILE,
1687 .group = FIO_OPT_G_INVALID,
214e1eca 1688 },
bedc9dc2
JA		 1689 {
1690 .name = "file_append",
1691 .lname = "File append",
1692 .type = FIO_OPT_BOOL,
1693 .off1 = td_var_offset(file_append),
1694 .help = "IO will start at the end of the file(s)",
1695 .def = "0",
1696 .category = FIO_OPT_C_FILE,
1697 .group = FIO_OPT_G_INVALID,
1698 },
67a1000f
JA		 1699 {
1700 .name = "offset",
e8b0e958 1701 .lname = "IO offset",
67a1000f
JA		 1702 .alias = "fileoffset",
1703 .type = FIO_OPT_STR_VAL,
1704 .off1 = td_var_offset(start_offset),
1705 .help = "Start IO from this offset",
1706 .def = "0",
20eb06bd 1707 .interval = 1024 * 1024,
e8b0e958
JA		 1708 .category = FIO_OPT_C_IO,
1709 .group = FIO_OPT_G_INVALID,
67a1000f 1710 },
2d7cd868
JA		 1711 {
1712 .name = "offset_increment",
e8b0e958 1713 .lname = "IO offset increment",
2d7cd868
JA		 1714 .type = FIO_OPT_STR_VAL,
1715 .off1 = td_var_offset(offset_increment),
1716 .help = "What is the increment from one offset to the next",
1717 .parent = "offset",
d71c154c 1718 .hide = 1,
2d7cd868 1719 .def = "0",
20eb06bd 1720 .interval = 1024 * 1024,
e8b0e958
JA		 1721 .category = FIO_OPT_C_IO,
1722 .group = FIO_OPT_G_INVALID,
2d7cd868 1723 },
ddf24e42
JA		 1724 {
1725 .name = "number_ios",
1726 .lname = "Number of IOs to perform",
1727 .type = FIO_OPT_STR_VAL,
1728 .off1 = td_var_offset(number_ios),
be3fec7d 1729 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1730 .def = "0",
1731 .category = FIO_OPT_C_IO,
1732 .group = FIO_OPT_G_INVALID,
1733 },
214e1eca
JA		 1734 {
1735 .name = "bs",
e8b0e958 1736 .lname = "Block size",
d3aad8f2 1737 .alias = "blocksize",
e01b22b8 1738 .type = FIO_OPT_INT,
214e1eca
JA		 1739 .off1 = td_var_offset(bs[DDIR_READ]),
1740 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1741 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1742 .minval = 1,
214e1eca
JA		 1743 .help = "Block size unit",
1744 .def = "4k",
67a1000f 1745 .parent = "rw",
d71c154c 1746 .hide = 1,
20eb06bd 1747 .interval = 512,
e8b0e958
JA		 1748 .category = FIO_OPT_C_IO,
1749 .group = FIO_OPT_G_INVALID,
214e1eca 1750 },
2b7a01d0
JA		 1751 {
1752 .name = "ba",
e8b0e958 1753 .lname = "Block size align",
2b7a01d0 1754 .alias = "blockalign",
e01b22b8 1755 .type = FIO_OPT_INT,
2b7a01d0
JA		 1756 .off1 = td_var_offset(ba[DDIR_READ]),
1757 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1758 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1759 .minval = 1,
1760 .help = "IO block offset alignment",
1761 .parent = "rw",
d71c154c 1762 .hide = 1,
20eb06bd 1763 .interval = 512,
e8b0e958
JA		 1764 .category = FIO_OPT_C_IO,
1765 .group = FIO_OPT_G_INVALID,
2b7a01d0 1766 },
214e1eca
JA		 1767 {
1768 .name = "bsrange",
e8b0e958 1769 .lname = "Block size range",
d3aad8f2 1770 .alias = "blocksize_range",
214e1eca
JA		 1771 .type = FIO_OPT_RANGE,
1772 .off1 = td_var_offset(min_bs[DDIR_READ]),
1773 .off2 = td_var_offset(max_bs[DDIR_READ]),
1774 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1775 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1776 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1777 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1778 .minval = 1,
214e1eca 1779 .help = "Set block size range (in more detail than bs)",
67a1000f 1780 .parent = "rw",
d71c154c 1781 .hide = 1,
20eb06bd 1782 .interval = 4096,
e8b0e958
JA		 1783 .category = FIO_OPT_C_IO,
1784 .group = FIO_OPT_G_INVALID,
214e1eca 1785 },
564ca972
JA		 1786 {
1787 .name = "bssplit",
e8b0e958 1788 .lname = "Block size split",
564ca972
JA		 1789 .type = FIO_OPT_STR,
1790 .cb = str_bssplit_cb,
1791 .help = "Set a specific mix of block sizes",
1792 .parent = "rw",
d71c154c 1793 .hide = 1,
e8b0e958
JA		 1794 .category = FIO_OPT_C_IO,
1795 .group = FIO_OPT_G_INVALID,
564ca972 1796 },
214e1eca
JA		 1797 {
1798 .name = "bs_unaligned",
e8b0e958 1799 .lname = "Block size unaligned",
d3aad8f2 1800 .alias = "blocksize_unaligned",
214e1eca
JA		 1801 .type = FIO_OPT_STR_SET,
1802 .off1 = td_var_offset(bs_unaligned),
1803 .help = "Don't sector align IO buffer sizes",
67a1000f 1804 .parent = "rw",
d71c154c 1805 .hide = 1,
e8b0e958
JA		 1806 .category = FIO_OPT_C_IO,
1807 .group = FIO_OPT_G_INVALID,
214e1eca 1808 },
6aca9b3d
JA		 1809 {
1810 .name = "bs_is_seq_rand",
1811 .lname = "Block size division is seq/random (not read/write)",
1812 .type = FIO_OPT_BOOL,
1813 .off1 = td_var_offset(bs_is_seq_rand),
86d59660 1814 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 1815 .def = "0",
1816 .parent = "blocksize",
1817 .category = FIO_OPT_C_IO,
1818 .group = FIO_OPT_G_INVALID,
1819 },
214e1eca
JA		 1820 {
1821 .name = "randrepeat",
e8b0e958 1822 .lname = "Random repeatable",
214e1eca
JA		 1823 .type = FIO_OPT_BOOL,
1824 .off1 = td_var_offset(rand_repeatable),
1825 .help = "Use repeatable random IO pattern",
1826 .def = "1",
67a1000f 1827 .parent = "rw",
d71c154c 1828 .hide = 1,
e8b0e958 1829 .category = FIO_OPT_C_IO,
3ceb458f 1830 .group = FIO_OPT_G_RANDOM,
214e1eca 1831 },
04778baf
JA		 1832 {
1833 .name = "randseed",
1834 .lname = "The random generator seed",
363cffa7 1835 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1836 .off1 = td_var_offset(rand_seed),
1837 .help = "Set the random generator seed value",
1838 .parent = "rw",
1839 .category = FIO_OPT_C_IO,
1840 .group = FIO_OPT_G_RANDOM,
1841 },
2615cc4b
JA		 1842 {
1843 .name = "use_os_rand",
e8b0e958 1844 .lname = "Use OS random",
2615cc4b
JA		 1845 .type = FIO_OPT_BOOL,
1846 .off1 = td_var_offset(use_os_rand),
1847 .help = "Set to use OS random generator",
1848 .def = "0",
1849 .parent = "rw",
d71c154c 1850 .hide = 1,
e8b0e958 1851 .category = FIO_OPT_C_IO,
3ceb458f 1852 .group = FIO_OPT_G_RANDOM,
2615cc4b 1853 },
214e1eca
JA		 1854 {
1855 .name = "norandommap",
e8b0e958 1856 .lname = "No randommap",
214e1eca
JA		 1857 .type = FIO_OPT_STR_SET,
1858 .off1 = td_var_offset(norandommap),
1859 .help = "Accept potential duplicate random blocks",
67a1000f 1860 .parent = "rw",
d71c154c 1861 .hide = 1,
b2452a43 1862 .hide_on_set = 1,
e8b0e958 1863 .category = FIO_OPT_C_IO,
3ceb458f 1864 .group = FIO_OPT_G_RANDOM,
214e1eca 1865 },
2b386d25
JA		 1866 {
1867 .name = "softrandommap",
e8b0e958 1868 .lname = "Soft randommap",
2b386d25
JA		 1869 .type = FIO_OPT_BOOL,
1870 .off1 = td_var_offset(softrandommap),
f66ab3c8 1871 .help = "Set norandommap if randommap allocation fails",
2b386d25 1872 .parent = "norandommap",
d71c154c 1873 .hide = 1,
2b386d25 1874 .def = "0",
e8b0e958 1875 .category = FIO_OPT_C_IO,
3ceb458f 1876 .group = FIO_OPT_G_RANDOM,
2b386d25 1877 },
8055e41d
JA		 1878 {
1879 .name = "random_generator",
1880 .type = FIO_OPT_STR,
1881 .off1 = td_var_offset(random_generator),
1882 .help = "Type of random number generator to use",
1883 .def = "tausworthe",
1884 .posval = {
1885 { .ival = "tausworthe",
1886 .oval = FIO_RAND_GEN_TAUSWORTHE,
1887 .help = "Strong Tausworthe generator",
1888 },
1889 { .ival = "lfsr",
1890 .oval = FIO_RAND_GEN_LFSR,
1891 .help = "Variable length LFSR",
1892 },
1893 },
48107598
JA		 1894 .category = FIO_OPT_C_IO,
1895 .group = FIO_OPT_G_RANDOM,
8055e41d 1896 },
e25839d4
JA		 1897 {
1898 .name = "random_distribution",
1899 .type = FIO_OPT_STR,
1900 .off1 = td_var_offset(random_distribution),
1901 .cb = str_random_distribution_cb,
1902 .help = "Random offset distribution generator",
1903 .def = "random",
1904 .posval = {
1905 { .ival = "random",
1906 .oval = FIO_RAND_DIST_RANDOM,
1907 .help = "Completely random",
1908 },
1909 { .ival = "zipf",
1910 .oval = FIO_RAND_DIST_ZIPF,
1911 .help = "Zipf distribution",
1912 },
925fee33
JA		 1913 { .ival = "pareto",
1914 .oval = FIO_RAND_DIST_PARETO,
1915 .help = "Pareto distribution",
1916 },
e25839d4 1917 },
48107598
JA		 1918 .category = FIO_OPT_C_IO,
1919 .group = FIO_OPT_G_RANDOM,
e25839d4 1920 },
211c9b89
JA		 1921 {
1922 .name = "percentage_random",
1923 .lname = "Percentage Random",
1924 .type = FIO_OPT_INT,
d9472271
JA		 1925 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1926 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1927 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1928 .maxval = 100,
1929 .help = "Percentage of seq/random mix that should be random",
d9472271 1930 .def = "100,100,100",
211c9b89
JA		 1931 .interval = 5,
1932 .inverse = "percentage_sequential",
1933 .category = FIO_OPT_C_IO,
1934 .group = FIO_OPT_G_RANDOM,
1935 },
1936 {
1937 .name = "percentage_sequential",
1938 .lname = "Percentage Sequential",
d9472271 1939 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1940 .category = FIO_OPT_C_IO,
1941 .group = FIO_OPT_G_RANDOM,
1942 },
56e2a5fc
CE		 1943 {
1944 .name = "allrandrepeat",
1945 .type = FIO_OPT_BOOL,
1946 .off1 = td_var_offset(allrand_repeatable),
1947 .help = "Use repeatable random numbers for everything",
1948 .def = "0",
a869d9c6
JA		 1949 .category = FIO_OPT_C_IO,
1950 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1951 },
214e1eca
JA		 1952 {
1953 .name = "nrfiles",
e8b0e958 1954 .lname = "Number of files",
d7c8be03 1955 .alias = "nr_files",
214e1eca
JA		 1956 .type = FIO_OPT_INT,
1957 .off1 = td_var_offset(nr_files),
1958 .help = "Split job workload between this number of files",
1959 .def = "1",
20eb06bd 1960 .interval = 1,
e8b0e958
JA		 1961 .category = FIO_OPT_C_FILE,
1962 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1963 },
1964 {
1965 .name = "openfiles",
e8b0e958 1966 .lname = "Number of open files",
214e1eca
JA		 1967 .type = FIO_OPT_INT,
1968 .off1 = td_var_offset(open_files),
1969 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1970 .category = FIO_OPT_C_FILE,
1971 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1972 },
1973 {
1974 .name = "file_service_type",
e8b0e958 1975 .lname = "File service type",
214e1eca
JA		 1976 .type = FIO_OPT_STR,
1977 .cb = str_fst_cb,
1978 .off1 = td_var_offset(file_service_type),
1979 .help = "How to select which file to service next",
1980 .def = "roundrobin",
e8b0e958
JA		 1981 .category = FIO_OPT_C_FILE,
1982 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1983 .posval = {
1984 { .ival = "random",
1985 .oval = FIO_FSERVICE_RANDOM,
1986 .help = "Choose a file at random",
1987 },
1988 { .ival = "roundrobin",
1989 .oval = FIO_FSERVICE_RR,
1990 .help = "Round robin select files",
1991 },
a086c257
JA		 1992 { .ival = "sequential",
1993 .oval = FIO_FSERVICE_SEQ,
1994 .help = "Finish one file before moving to the next",
1995 },
214e1eca 1996 },
67a1000f 1997 .parent = "nrfiles",
d71c154c 1998 .hide = 1,
67a1000f 1999 },
97ac992c 2000#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2001 {
2002 .name = "fallocate",
e8b0e958 2003 .lname = "Fallocate",
a596f047
EG		 2004 .type = FIO_OPT_STR,
2005 .off1 = td_var_offset(fallocate_mode),
2006 .help = "Whether pre-allocation is performed when laying out files",
2007 .def = "posix",
e8b0e958
JA		 2008 .category = FIO_OPT_C_FILE,
2009 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2010 .posval = {
2011 { .ival = "none",
2012 .oval = FIO_FALLOCATE_NONE,
2013 .help = "Do not pre-allocate space",
2014 },
2015 { .ival = "posix",
2016 .oval = FIO_FALLOCATE_POSIX,
2017 .help = "Use posix_fallocate()",
2018 },
97ac992c 2019#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2020 { .ival = "keep",
2021 .oval = FIO_FALLOCATE_KEEP_SIZE,
2022 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2023 },
7bc8c2cf 2024#endif
a596f047
EG		 2025 /* Compatibility with former boolean values */
2026 { .ival = "0",
2027 .oval = FIO_FALLOCATE_NONE,
2028 .help = "Alias for 'none'",
2029 },
2030 { .ival = "1",
2031 .oval = FIO_FALLOCATE_POSIX,
2032 .help = "Alias for 'posix'",
2033 },
2034 },
2035 },
97ac992c 2036#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2037 {
2038 .name = "fadvise_hint",
e8b0e958 2039 .lname = "Fadvise hint",
67a1000f
JA		 2040 .type = FIO_OPT_BOOL,
2041 .off1 = td_var_offset(fadvise_hint),
2042 .help = "Use fadvise() to advise the kernel on IO pattern",
2043 .def = "1",
e8b0e958
JA		 2044 .category = FIO_OPT_C_FILE,
2045 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2046 },
2047 {
2048 .name = "fsync",
e8b0e958 2049 .lname = "Fsync",
214e1eca
JA		 2050 .type = FIO_OPT_INT,
2051 .off1 = td_var_offset(fsync_blocks),
2052 .help = "Issue fsync for writes every given number of blocks",
2053 .def = "0",
20eb06bd 2054 .interval = 1,
e8b0e958
JA		 2055 .category = FIO_OPT_C_FILE,
2056 .group = FIO_OPT_G_INVALID,
214e1eca 2057 },
5f9099ea
JA		 2058 {
2059 .name = "fdatasync",
e8b0e958 2060 .lname = "Fdatasync",
5f9099ea
JA		 2061 .type = FIO_OPT_INT,
2062 .off1 = td_var_offset(fdatasync_blocks),
2063 .help = "Issue fdatasync for writes every given number of blocks",
2064 .def = "0",
20eb06bd 2065 .interval = 1,
e8b0e958
JA		 2066 .category = FIO_OPT_C_FILE,
2067 .group = FIO_OPT_G_INVALID,
5f9099ea 2068 },
1ef2b6be
JA		 2069 {
2070 .name = "write_barrier",
e8b0e958 2071 .lname = "Write barrier",
1ef2b6be
JA		 2072 .type = FIO_OPT_INT,
2073 .off1 = td_var_offset(barrier_blocks),
2074 .help = "Make every Nth write a barrier write",
2075 .def = "0",
20eb06bd 2076 .interval = 1,
e8b0e958
JA		 2077 .category = FIO_OPT_C_IO,
2078 .group = FIO_OPT_G_INVALID,
1ef2b6be 2079 },
67bf9823 2080#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2081 {
2082 .name = "sync_file_range",
e8b0e958 2083 .lname = "Sync file range",
44f29692
JA		 2084 .posval = {
2085 { .ival = "wait_before",
2086 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2087 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2088 .orval = 1,
44f29692
JA		 2089 },
2090 { .ival = "write",
2091 .oval = SYNC_FILE_RANGE_WRITE,
2092 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2093 .orval = 1,
44f29692
JA		 2094 },
2095 {
2096 .ival = "wait_after",
2097 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2098 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2099 .orval = 1,
44f29692
JA		 2100 },
2101 },
3843deb3 2102 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2103 .cb = str_sfr_cb,
2104 .off1 = td_var_offset(sync_file_range),
2105 .help = "Use sync_file_range()",
e8b0e958
JA		 2106 .category = FIO_OPT_C_FILE,
2107 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2108 },
2109#endif
214e1eca
JA		 2110 {
2111 .name = "direct",
e8b0e958 2112 .lname = "Direct I/O",
214e1eca
JA		 2113 .type = FIO_OPT_BOOL,
2114 .off1 = td_var_offset(odirect),
2115 .help = "Use O_DIRECT IO (negates buffered)",
2116 .def = "0",
a01a1bc5 2117 .inverse = "buffered",
e8b0e958 2118 .category = FIO_OPT_C_IO,
3ceb458f 2119 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2120 },
d01612f3
CM		 2121 {
2122 .name = "atomic",
2123 .lname = "Atomic I/O",
2124 .type = FIO_OPT_BOOL,
2125 .off1 = td_var_offset(oatomic),
2126 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2127 .def = "0",
2128 .category = FIO_OPT_C_IO,
2129 .group = FIO_OPT_G_IO_TYPE,
2130 },
214e1eca
JA		 2131 {
2132 .name = "buffered",
e8b0e958 2133 .lname = "Buffered I/O",
214e1eca
JA		 2134 .type = FIO_OPT_BOOL,
2135 .off1 = td_var_offset(odirect),
2136 .neg = 1,
2137 .help = "Use buffered IO (negates direct)",
2138 .def = "1",
a01a1bc5 2139 .inverse = "direct",
e8b0e958 2140 .category = FIO_OPT_C_IO,
3ceb458f 2141 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2142 },
2143 {
2144 .name = "overwrite",
e8b0e958 2145 .lname = "Overwrite",
214e1eca
JA		 2146 .type = FIO_OPT_BOOL,
2147 .off1 = td_var_offset(overwrite),
2148 .help = "When writing, set whether to overwrite current data",
2149 .def = "0",
e8b0e958
JA		 2150 .category = FIO_OPT_C_FILE,
2151 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2152 },
2153 {
2154 .name = "loops",
e8b0e958 2155 .lname = "Loops",
214e1eca
JA		 2156 .type = FIO_OPT_INT,
2157 .off1 = td_var_offset(loops),
2158 .help = "Number of times to run the job",
2159 .def = "1",
20eb06bd 2160 .interval = 1,
e8b0e958 2161 .category = FIO_OPT_C_GENERAL,
a1f6afec 2162 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2163 },
2164 {
2165 .name = "numjobs",
e8b0e958 2166 .lname = "Number of jobs",
214e1eca
JA		 2167 .type = FIO_OPT_INT,
2168 .off1 = td_var_offset(numjobs),
2169 .help = "Duplicate this job this many times",
2170 .def = "1",
20eb06bd 2171 .interval = 1,
e8b0e958 2172 .category = FIO_OPT_C_GENERAL,
a1f6afec 2173 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2174 },
2175 {
2176 .name = "startdelay",
e8b0e958 2177 .lname = "Start delay",
a5737c93 2178 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2179 .off1 = td_var_offset(start_delay),
23ed19b0 2180 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2181 .help = "Only start job when this period has passed",
2182 .def = "0",
0de5b26f 2183 .is_seconds = 1,
e8b0e958 2184 .category = FIO_OPT_C_GENERAL,
a1f6afec 2185 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2186 },
2187 {
2188 .name = "runtime",
e8b0e958 2189 .lname = "Runtime",
214e1eca
JA		 2190 .alias = "timeout",
2191 .type = FIO_OPT_STR_VAL_TIME,
2192 .off1 = td_var_offset(timeout),
2193 .help = "Stop workload when this amount of time has passed",
2194 .def = "0",
0de5b26f 2195 .is_seconds = 1,
e8b0e958 2196 .category = FIO_OPT_C_GENERAL,
a1f6afec 2197 .group = FIO_OPT_G_RUNTIME,
214e1eca 2198 },
cf4464ca
JA		 2199 {
2200 .name = "time_based",
e8b0e958 2201 .lname = "Time based",
cf4464ca
JA		 2202 .type = FIO_OPT_STR_SET,
2203 .off1 = td_var_offset(time_based),
2204 .help = "Keep running until runtime/timeout is met",
e8b0e958 2205 .category = FIO_OPT_C_GENERAL,
a1f6afec 2206 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2207 },
62167762
JC		 2208 {
2209 .name = "verify_only",
2210 .lname = "Verify only",
2211 .type = FIO_OPT_STR_SET,
2212 .off1 = td_var_offset(verify_only),
2213 .help = "Verifies previously written data is still valid",
2214 .category = FIO_OPT_C_GENERAL,
2215 .group = FIO_OPT_G_RUNTIME,
2216 },
721938ae
JA		 2217 {
2218 .name = "ramp_time",
e8b0e958 2219 .lname = "Ramp time",
721938ae
JA		 2220 .type = FIO_OPT_STR_VAL_TIME,
2221 .off1 = td_var_offset(ramp_time),
2222 .help = "Ramp up time before measuring performance",
0de5b26f 2223 .is_seconds = 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",
836fcc0f
JA		 2528 .category = FIO_OPT_C_IO,
2529 .group = FIO_OPT_G_VERIFY,
51aa2da8 2530 },
0d29de83
JA		 2531#ifdef FIO_HAVE_TRIM
2532 {
2533 .name = "trim_percentage",
e8b0e958 2534 .lname = "Trim percentage",
0d29de83 2535 .type = FIO_OPT_INT,
203160d5 2536 .off1 = td_var_offset(trim_percentage),
20eb06bd 2537 .minval = 0,
0d29de83
JA		 2538 .maxval = 100,
2539 .help = "Number of verify blocks to discard/trim",
2540 .parent = "verify",
2541 .def = "0",
20eb06bd 2542 .interval = 1,
d71c154c 2543 .hide = 1,
e8b0e958
JA		 2544 .category = FIO_OPT_C_IO,
2545 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2546 },
2547 {
2548 .name = "trim_verify_zero",
e8b0e958 2549 .lname = "Verify trim zero",
20eb06bd 2550 .type = FIO_OPT_BOOL,
0d29de83
JA		 2551 .help = "Verify that trim/discarded blocks are returned as zeroes",
2552 .off1 = td_var_offset(trim_zero),
2553 .parent = "trim_percentage",
d71c154c 2554 .hide = 1,
0d29de83 2555 .def = "1",
e8b0e958
JA		 2556 .category = FIO_OPT_C_IO,
2557 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2558 },
2559 {
2560 .name = "trim_backlog",
e8b0e958 2561 .lname = "Trim backlog",
0d29de83
JA		 2562 .type = FIO_OPT_STR_VAL,
2563 .off1 = td_var_offset(trim_backlog),
2564 .help = "Trim after this number of blocks are written",
2565 .parent = "trim_percentage",
d71c154c 2566 .hide = 1,
20eb06bd 2567 .interval = 1,
e8b0e958
JA		 2568 .category = FIO_OPT_C_IO,
2569 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2570 },
2571 {
2572 .name = "trim_backlog_batch",
e8b0e958 2573 .lname = "Trim backlog batch",
0d29de83
JA		 2574 .type = FIO_OPT_INT,
2575 .off1 = td_var_offset(trim_batch),
2576 .help = "Trim this number of IO blocks",
2577 .parent = "trim_percentage",
d71c154c 2578 .hide = 1,
20eb06bd 2579 .interval = 1,
e8b0e958
JA		 2580 .category = FIO_OPT_C_IO,
2581 .group = FIO_OPT_G_TRIM,
0d29de83 2582 },
e8462bd8 2583#endif
214e1eca
JA		 2584 {
2585 .name = "write_iolog",
e8b0e958 2586 .lname = "Write I/O log",
214e1eca
JA		 2587 .type = FIO_OPT_STR_STORE,
2588 .off1 = td_var_offset(write_iolog_file),
2589 .help = "Store IO pattern to file",
e8b0e958
JA		 2590 .category = FIO_OPT_C_IO,
2591 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2592 },
2593 {
2594 .name = "read_iolog",
e8b0e958 2595 .lname = "Read I/O log",
214e1eca
JA		 2596 .type = FIO_OPT_STR_STORE,
2597 .off1 = td_var_offset(read_iolog_file),
2598 .help = "Playback IO pattern from file",
e8b0e958
JA		 2599 .category = FIO_OPT_C_IO,
2600 .group = FIO_OPT_G_IOLOG,
214e1eca 2601 },
64bbb865
DN		 2602 {
2603 .name = "replay_no_stall",
e8b0e958 2604 .lname = "Don't stall on replay",
20eb06bd 2605 .type = FIO_OPT_BOOL,
64bbb865
DN		 2606 .off1 = td_var_offset(no_stall),
2607 .def = "0",
87e7a972 2608 .parent = "read_iolog",
d71c154c 2609 .hide = 1,
64bbb865 2610 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2611 .category = FIO_OPT_C_IO,
2612 .group = FIO_OPT_G_IOLOG,
64bbb865 2613 },
d1c46c04
DN		 2614 {
2615 .name = "replay_redirect",
e8b0e958 2616 .lname = "Redirect device for replay",
d1c46c04
DN		 2617 .type = FIO_OPT_STR_STORE,
2618 .off1 = td_var_offset(replay_redirect),
2619 .parent = "read_iolog",
d71c154c 2620 .hide = 1,
d1c46c04 2621 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2622 .category = FIO_OPT_C_IO,
2623 .group = FIO_OPT_G_IOLOG,
d1c46c04 2624 },
214e1eca
JA		 2625 {
2626 .name = "exec_prerun",
e8b0e958 2627 .lname = "Pre-execute runnable",
214e1eca
JA		 2628 .type = FIO_OPT_STR_STORE,
2629 .off1 = td_var_offset(exec_prerun),
2630 .help = "Execute this file prior to running job",
e8b0e958
JA		 2631 .category = FIO_OPT_C_GENERAL,
2632 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2633 },
2634 {
2635 .name = "exec_postrun",
e8b0e958 2636 .lname = "Post-execute runnable",
214e1eca
JA		 2637 .type = FIO_OPT_STR_STORE,
2638 .off1 = td_var_offset(exec_postrun),
2639 .help = "Execute this file after running job",
e8b0e958
JA		 2640 .category = FIO_OPT_C_GENERAL,
2641 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2642 },
2643#ifdef FIO_HAVE_IOSCHED_SWITCH
2644 {
2645 .name = "ioscheduler",
e8b0e958 2646 .lname = "I/O scheduler",
214e1eca
JA		 2647 .type = FIO_OPT_STR_STORE,
2648 .off1 = td_var_offset(ioscheduler),
2649 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2650 .category = FIO_OPT_C_FILE,
2651 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2652 },
2653#endif
2654 {
2655 .name = "zonesize",
e8b0e958 2656 .lname = "Zone size",
214e1eca
JA		 2657 .type = FIO_OPT_STR_VAL,
2658 .off1 = td_var_offset(zone_size),
ed335855
SN		 2659 .help = "Amount of data to read per zone",
2660 .def = "0",
20eb06bd 2661 .interval = 1024 * 1024,
e8b0e958
JA		 2662 .category = FIO_OPT_C_IO,
2663 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2664 },
2665 {
2666 .name = "zonerange",
e8b0e958 2667 .lname = "Zone range",
ed335855
SN		 2668 .type = FIO_OPT_STR_VAL,
2669 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2670 .help = "Give size of an IO zone",
2671 .def = "0",
20eb06bd 2672 .interval = 1024 * 1024,
e8b0e958
JA		 2673 .category = FIO_OPT_C_IO,
2674 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2675 },
2676 {
2677 .name = "zoneskip",
e8b0e958 2678 .lname = "Zone skip",
214e1eca
JA		 2679 .type = FIO_OPT_STR_VAL,
2680 .off1 = td_var_offset(zone_skip),
2681 .help = "Space between IO zones",
2682 .def = "0",
20eb06bd 2683 .interval = 1024 * 1024,
e8b0e958
JA		 2684 .category = FIO_OPT_C_IO,
2685 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2686 },
2687 {
2688 .name = "lockmem",
e8b0e958 2689 .lname = "Lock memory",
214e1eca 2690 .type = FIO_OPT_STR_VAL,
1b79a070 2691 .off1 = td_var_offset(lockmem),
81c6b6cd 2692 .help = "Lock down this amount of memory (per worker)",
214e1eca 2693 .def = "0",
20eb06bd 2694 .interval = 1024 * 1024,
e8b0e958
JA		 2695 .category = FIO_OPT_C_GENERAL,
2696 .group = FIO_OPT_G_INVALID,
214e1eca 2697 },
214e1eca
JA		 2698 {
2699 .name = "rwmixread",
e8b0e958 2700 .lname = "Read/write mix read",
214e1eca 2701 .type = FIO_OPT_INT,
cb499fc4 2702 .cb = str_rwmix_read_cb,
214e1eca
JA		 2703 .maxval = 100,
2704 .help = "Percentage of mixed workload that is reads",
2705 .def = "50",
20eb06bd 2706 .interval = 5,
90265353 2707 .inverse = "rwmixwrite",
e8b0e958
JA		 2708 .category = FIO_OPT_C_IO,
2709 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2710 },
2711 {
2712 .name = "rwmixwrite",
e8b0e958 2713 .lname = "Read/write mix write",
214e1eca 2714 .type = FIO_OPT_INT,
cb499fc4 2715 .cb = str_rwmix_write_cb,
214e1eca
JA		 2716 .maxval = 100,
2717 .help = "Percentage of mixed workload that is writes",
2718 .def = "50",
20eb06bd 2719 .interval = 5,
90265353 2720 .inverse = "rwmixread",
e8b0e958
JA		 2721 .category = FIO_OPT_C_IO,
2722 .group = FIO_OPT_G_RWMIX,
214e1eca 2723 },
afdf9352
JA		 2724 {
2725 .name = "rwmixcycle",
e8b0e958 2726 .lname = "Read/write mix cycle",
15ca150e 2727 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2728 .category = FIO_OPT_C_IO,
2729 .group = FIO_OPT_G_RWMIX,
afdf9352 2730 },
214e1eca
JA		 2731 {
2732 .name = "nice",
e8b0e958 2733 .lname = "Nice",
214e1eca
JA		 2734 .type = FIO_OPT_INT,
2735 .off1 = td_var_offset(nice),
2736 .help = "Set job CPU nice value",
2737 .minval = -19,
2738 .maxval = 20,
2739 .def = "0",
20eb06bd 2740 .interval = 1,
e8b0e958 2741 .category = FIO_OPT_C_GENERAL,
10860056 2742 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2743 },
2744#ifdef FIO_HAVE_IOPRIO
2745 {
2746 .name = "prio",
e8b0e958 2747 .lname = "I/O nice priority",
214e1eca 2748 .type = FIO_OPT_INT,
28727df7 2749 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2750 .help = "Set job IO priority value",
2751 .minval = 0,
2752 .maxval = 7,
20eb06bd 2753 .interval = 1,
e8b0e958 2754 .category = FIO_OPT_C_GENERAL,
10860056 2755 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2756 },
2757 {
2758 .name = "prioclass",
e8b0e958 2759 .lname = "I/O nice priority class",
214e1eca 2760 .type = FIO_OPT_INT,
28727df7 2761 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2762 .help = "Set job IO priority class",
2763 .minval = 0,
2764 .maxval = 3,
20eb06bd 2765 .interval = 1,
e8b0e958 2766 .category = FIO_OPT_C_GENERAL,
10860056 2767 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2768 },
2769#endif
2770 {
2771 .name = "thinktime",
e8b0e958 2772 .lname = "Thinktime",
214e1eca
JA		 2773 .type = FIO_OPT_INT,
2774 .off1 = td_var_offset(thinktime),
2775 .help = "Idle time between IO buffers (usec)",
2776 .def = "0",
e8b0e958 2777 .category = FIO_OPT_C_IO,
3ceb458f 2778 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2779 },
2780 {
2781 .name = "thinktime_spin",
e8b0e958 2782 .lname = "Thinktime spin",
214e1eca
JA		 2783 .type = FIO_OPT_INT,
2784 .off1 = td_var_offset(thinktime_spin),
2785 .help = "Start think time by spinning this amount (usec)",
2786 .def = "0",
afdf9352 2787 .parent = "thinktime",
d71c154c 2788 .hide = 1,
e8b0e958 2789 .category = FIO_OPT_C_IO,
3ceb458f 2790 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2791 },
2792 {
2793 .name = "thinktime_blocks",
e8b0e958 2794 .lname = "Thinktime blocks",
214e1eca
JA		 2795 .type = FIO_OPT_INT,
2796 .off1 = td_var_offset(thinktime_blocks),
2797 .help = "IO buffer period between 'thinktime'",
2798 .def = "1",
afdf9352 2799 .parent = "thinktime",
d71c154c 2800 .hide = 1,
e8b0e958 2801 .category = FIO_OPT_C_IO,
3ceb458f 2802 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2803 },
2804 {
2805 .name = "rate",
e8b0e958 2806 .lname = "I/O rate",
e01b22b8 2807 .type = FIO_OPT_INT,
6eaf09d6
SL		 2808 .off1 = td_var_offset(rate[DDIR_READ]),
2809 .off2 = td_var_offset(rate[DDIR_WRITE]),
2810 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2811 .help = "Set bandwidth rate",
e8b0e958
JA		 2812 .category = FIO_OPT_C_IO,
2813 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2814 },
2815 {
2816 .name = "ratemin",
e8b0e958 2817 .lname = "I/O min rate",
e01b22b8 2818 .type = FIO_OPT_INT,
6eaf09d6
SL		 2819 .off1 = td_var_offset(ratemin[DDIR_READ]),
2820 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2821 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2822 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2823 .parent = "rate",
d71c154c 2824 .hide = 1,
e8b0e958
JA		 2825 .category = FIO_OPT_C_IO,
2826 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2827 },
2828 {
2829 .name = "rate_iops",
e8b0e958 2830 .lname = "I/O rate IOPS",
e01b22b8 2831 .type = FIO_OPT_INT,
6eaf09d6
SL		 2832 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2833 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2834 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2835 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2836 .hide = 1,
e8b0e958
JA		 2837 .category = FIO_OPT_C_IO,
2838 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2839 },
2840 {
2841 .name = "rate_iops_min",
e8b0e958 2842 .lname = "I/O min rate IOPS",
e01b22b8 2843 .type = FIO_OPT_INT,
6eaf09d6
SL		 2844 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2845 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2846 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2847 .help = "Job must meet this rate or it will be shut down",
afdf9352 2848 .parent = "rate_iops",
d71c154c 2849 .hide = 1,
e8b0e958
JA		 2850 .category = FIO_OPT_C_IO,
2851 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2852 },
2853 {
2854 .name = "ratecycle",
e8b0e958 2855 .lname = "I/O rate cycle",
214e1eca
JA		 2856 .type = FIO_OPT_INT,
2857 .off1 = td_var_offset(ratecycle),
2858 .help = "Window average for rate limits (msec)",
2859 .def = "1000",
afdf9352 2860 .parent = "rate",
d71c154c 2861 .hide = 1,
e8b0e958
JA		 2862 .category = FIO_OPT_C_IO,
2863 .group = FIO_OPT_G_RATE,
214e1eca 2864 },
15501535
JA		 2865 {
2866 .name = "max_latency",
2867 .type = FIO_OPT_INT,
2868 .off1 = td_var_offset(max_latency),
2869 .help = "Maximum tolerated IO latency (usec)",
1e5324e7 2870 .category = FIO_OPT_C_IO,
3e260a46
JA		 2871 .group = FIO_OPT_G_LATPROF,
2872 },
2873 {
2874 .name = "latency_target",
2875 .lname = "Latency Target (usec)",
2876 .type = FIO_OPT_STR_VAL_TIME,
2877 .off1 = td_var_offset(latency_target),
2878 .help = "Ramp to max queue depth supporting this latency",
2879 .category = FIO_OPT_C_IO,
2880 .group = FIO_OPT_G_LATPROF,
2881 },
2882 {
2883 .name = "latency_window",
2884 .lname = "Latency Window (usec)",
2885 .type = FIO_OPT_STR_VAL_TIME,
2886 .off1 = td_var_offset(latency_window),
2887 .help = "Time to sustain latency_target",
2888 .category = FIO_OPT_C_IO,
2889 .group = FIO_OPT_G_LATPROF,
2890 },
2891 {
2892 .name = "latency_percentile",
2893 .lname = "Latency Percentile",
2894 .type = FIO_OPT_FLOAT_LIST,
2895 .off1 = td_var_offset(latency_percentile),
2896 .help = "Percentile of IOs must be below latency_target",
2897 .def = "100",
2898 .maxlen = 1,
2899 .minfp = 0.0,
2900 .maxfp = 100.0,
2901 .category = FIO_OPT_C_IO,
2902 .group = FIO_OPT_G_LATPROF,
15501535 2903 },
214e1eca
JA		 2904 {
2905 .name = "invalidate",
e8b0e958 2906 .lname = "Cache invalidate",
214e1eca
JA		 2907 .type = FIO_OPT_BOOL,
2908 .off1 = td_var_offset(invalidate_cache),
2909 .help = "Invalidate buffer/page cache prior to running job",
2910 .def = "1",
e8b0e958 2911 .category = FIO_OPT_C_IO,
3ceb458f 2912 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2913 },
2914 {
2915 .name = "sync",
e8b0e958 2916 .lname = "Synchronous I/O",
214e1eca
JA		 2917 .type = FIO_OPT_BOOL,
2918 .off1 = td_var_offset(sync_io),
2919 .help = "Use O_SYNC for buffered writes",
2920 .def = "0",
67a1000f 2921 .parent = "buffered",
d71c154c 2922 .hide = 1,
e8b0e958 2923 .category = FIO_OPT_C_IO,
3ceb458f 2924 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2925 },
214e1eca
JA		 2926 {
2927 .name = "create_serialize",
e8b0e958 2928 .lname = "Create serialize",
214e1eca
JA		 2929 .type = FIO_OPT_BOOL,
2930 .off1 = td_var_offset(create_serialize),
2931 .help = "Serialize creating of job files",
2932 .def = "1",
e8b0e958
JA		 2933 .category = FIO_OPT_C_FILE,
2934 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2935 },
2936 {
2937 .name = "create_fsync",
e8b0e958 2938 .lname = "Create fsync",
214e1eca
JA		 2939 .type = FIO_OPT_BOOL,
2940 .off1 = td_var_offset(create_fsync),
03e20d68 2941 .help = "fsync file after creation",
214e1eca 2942 .def = "1",
e8b0e958
JA		 2943 .category = FIO_OPT_C_FILE,
2944 .group = FIO_OPT_G_INVALID,
214e1eca 2945 },
814452bd
JA		 2946 {
2947 .name = "create_on_open",
e8b0e958 2948 .lname = "Create on open",
814452bd
JA		 2949 .type = FIO_OPT_BOOL,
2950 .off1 = td_var_offset(create_on_open),
2951 .help = "Create files when they are opened for IO",
2952 .def = "0",
e8b0e958
JA		 2953 .category = FIO_OPT_C_FILE,
2954 .group = FIO_OPT_G_INVALID,
814452bd 2955 },
25460cf6
JA		 2956 {
2957 .name = "create_only",
2958 .type = FIO_OPT_BOOL,
2959 .off1 = td_var_offset(create_only),
2960 .help = "Only perform file creation phase",
d17fda71 2961 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2962 .def = "0",
2963 },
0b9d69ec 2964 {
afad68f7 2965 .name = "pre_read",
e8b0e958 2966 .lname = "Pre-read files",
afad68f7
ZY		 2967 .type = FIO_OPT_BOOL,
2968 .off1 = td_var_offset(pre_read),
03e20d68 2969 .help = "Pre-read files before starting official testing",
afad68f7 2970 .def = "0",
e8b0e958
JA		 2971 .category = FIO_OPT_C_FILE,
2972 .group = FIO_OPT_G_INVALID,
afad68f7 2973 },
214e1eca
JA		 2974#ifdef FIO_HAVE_CPU_AFFINITY
2975 {
2976 .name = "cpumask",
e8b0e958 2977 .lname = "CPU mask",
214e1eca
JA		 2978 .type = FIO_OPT_INT,
2979 .cb = str_cpumask_cb,
2980 .help = "CPU affinity mask",
e8b0e958 2981 .category = FIO_OPT_C_GENERAL,
10860056 2982 .group = FIO_OPT_G_CRED,
214e1eca 2983 },
d2e268b0
JA		 2984 {
2985 .name = "cpus_allowed",
e8b0e958 2986 .lname = "CPUs allowed",
d2e268b0
JA		 2987 .type = FIO_OPT_STR,
2988 .cb = str_cpus_allowed_cb,
2989 .help = "Set CPUs allowed",
e8b0e958 2990 .category = FIO_OPT_C_GENERAL,
10860056 2991 .group = FIO_OPT_G_CRED,
d2e268b0 2992 },
c2acfbac
JA		 2993 {
2994 .name = "cpus_allowed_policy",
2995 .lname = "CPUs allowed distribution policy",
2996 .type = FIO_OPT_STR,
2997 .off1 = td_var_offset(cpus_allowed_policy),
2998 .help = "Distribution policy for cpus_allowed",
2999 .parent = "cpus_allowed",
3000 .prio = 1,
3001 .posval = {
3002 { .ival = "shared",
3003 .oval = FIO_CPUS_SHARED,
3004 .help = "Mask shared between threads",
3005 },
3006 { .ival = "split",
3007 .oval = FIO_CPUS_SPLIT,
3008 .help = "Mask split between threads",
3009 },
3010 },
3011 .category = FIO_OPT_C_GENERAL,
3012 .group = FIO_OPT_G_CRED,
3013 },
d0b937ed 3014#endif
67bf9823 3015#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3016 {
3017 .name = "numa_cpu_nodes",
3018 .type = FIO_OPT_STR,
3019 .cb = str_numa_cpunodes_cb,
3020 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3021 .category = FIO_OPT_C_GENERAL,
3022 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3023 },
3024 {
3025 .name = "numa_mem_policy",
3026 .type = FIO_OPT_STR,
3027 .cb = str_numa_mpol_cb,
3028 .help = "NUMA memory policy setup",
6be54b2d
JA		 3029 .category = FIO_OPT_C_GENERAL,
3030 .group = FIO_OPT_G_INVALID,
d0b937ed 3031 },
214e1eca
JA		 3032#endif
3033 {
3034 .name = "end_fsync",
e8b0e958 3035 .lname = "End fsync",
214e1eca
JA		 3036 .type = FIO_OPT_BOOL,
3037 .off1 = td_var_offset(end_fsync),
3038 .help = "Include fsync at the end of job",
3039 .def = "0",
e8b0e958
JA		 3040 .category = FIO_OPT_C_FILE,
3041 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3042 },
3043 {
3044 .name = "fsync_on_close",
e8b0e958 3045 .lname = "Fsync on close",
214e1eca
JA		 3046 .type = FIO_OPT_BOOL,
3047 .off1 = td_var_offset(fsync_on_close),
3048 .help = "fsync files on close",
3049 .def = "0",
e8b0e958
JA		 3050 .category = FIO_OPT_C_FILE,
3051 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3052 },
3053 {
3054 .name = "unlink",
e8b0e958 3055 .lname = "Unlink file",
214e1eca
JA		 3056 .type = FIO_OPT_BOOL,
3057 .off1 = td_var_offset(unlink),
3058 .help = "Unlink created files after job has completed",
3059 .def = "0",
e8b0e958
JA		 3060 .category = FIO_OPT_C_FILE,
3061 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3062 },
3063 {
3064 .name = "exitall",
e8b0e958 3065 .lname = "Exit-all on terminate",
214e1eca
JA		 3066 .type = FIO_OPT_STR_SET,
3067 .cb = str_exitall_cb,
3068 .help = "Terminate all jobs when one exits",
e8b0e958 3069 .category = FIO_OPT_C_GENERAL,
a1f6afec 3070 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3071 },
3072 {
3073 .name = "stonewall",
e8b0e958 3074 .lname = "Wait for previous",
d392365e 3075 .alias = "wait_for_previous",
214e1eca
JA		 3076 .type = FIO_OPT_STR_SET,
3077 .off1 = td_var_offset(stonewall),
3078 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3079 .category = FIO_OPT_C_GENERAL,
a1f6afec 3080 .group = FIO_OPT_G_PROCESS,
214e1eca 3081 },
b3d62a75
JA		 3082 {
3083 .name = "new_group",
e8b0e958 3084 .lname = "New group",
b3d62a75
JA		 3085 .type = FIO_OPT_STR_SET,
3086 .off1 = td_var_offset(new_group),
3087 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3088 .category = FIO_OPT_C_GENERAL,
a1f6afec 3089 .group = FIO_OPT_G_PROCESS,
b3d62a75 3090 },
214e1eca
JA		 3091 {
3092 .name = "thread",
e8b0e958 3093 .lname = "Thread",
214e1eca
JA		 3094 .type = FIO_OPT_STR_SET,
3095 .off1 = td_var_offset(use_thread),
20eb06bd 3096 .help = "Use threads instead of processes",
c8931876
JA		 3097#ifdef CONFIG_NO_SHM
3098 .def = "1",
3099 .no_warn_def = 1,
3100#endif
e8b0e958 3101 .category = FIO_OPT_C_GENERAL,
a1f6afec 3102 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3103 },
3104 {
3105 .name = "write_bw_log",
e8b0e958 3106 .lname = "Write bandwidth log",
203160d5
JA		 3107 .type = FIO_OPT_STR_STORE,
3108 .off1 = td_var_offset(bw_log_file),
214e1eca 3109 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3110 .category = FIO_OPT_C_LOG,
3111 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3112 },
3113 {
3114 .name = "write_lat_log",
e8b0e958 3115 .lname = "Write latency log",
203160d5
JA		 3116 .type = FIO_OPT_STR_STORE,
3117 .off1 = td_var_offset(lat_log_file),
214e1eca 3118 .help = "Write log of latency during run",
e8b0e958
JA		 3119 .category = FIO_OPT_C_LOG,
3120 .group = FIO_OPT_G_INVALID,
214e1eca 3121 },
c8eeb9df
JA		 3122 {
3123 .name = "write_iops_log",
e8b0e958 3124 .lname = "Write IOPS log",
577c83bd 3125 .type = FIO_OPT_STR_STORE,
203160d5 3126 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3127 .help = "Write log of IOPS during run",
e8b0e958
JA		 3128 .category = FIO_OPT_C_LOG,
3129 .group = FIO_OPT_G_INVALID,
c8eeb9df 3130 },
b8bc8cba
JA		 3131 {
3132 .name = "log_avg_msec",
e8b0e958 3133 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3134 .type = FIO_OPT_INT,
3135 .off1 = td_var_offset(log_avg_msec),
3136 .help = "Average bw/iops/lat logs over this period of time",
3137 .def = "0",
e8b0e958
JA		 3138 .category = FIO_OPT_C_LOG,
3139 .group = FIO_OPT_G_INVALID,
b8bc8cba 3140 },
ae588852
JA		 3141 {
3142 .name = "log_offset",
3143 .lname = "Log offset of IO",
3144 .type = FIO_OPT_BOOL,
3145 .off1 = td_var_offset(log_offset),
3146 .help = "Include offset of IO for each log entry",
3147 .def = "0",
3148 .category = FIO_OPT_C_LOG,
3149 .group = FIO_OPT_G_INVALID,
3150 },
aee2ab67
JA		 3151#ifdef CONFIG_ZLIB
3152 {
3153 .name = "log_compression",
3154 .lname = "Log compression",
3155 .type = FIO_OPT_INT,
3156 .off1 = td_var_offset(log_gz),
3157 .help = "Log in compressed chunks of this size",
3158 .minval = 32 * 1024 * 1024ULL,
3159 .maxval = 512 * 1024 * 1024ULL,
3160 .category = FIO_OPT_C_LOG,
3161 .group = FIO_OPT_G_INVALID,
3162 },
b26317c9
JA		 3163 {
3164 .name = "log_store_compressed",
3165 .lname = "Log store compressed",
3166 .type = FIO_OPT_BOOL,
3167 .off1 = td_var_offset(log_gz_store),
3168 .help = "Store logs in a compressed format",
3169 .category = FIO_OPT_C_LOG,
3170 .group = FIO_OPT_G_INVALID,
3171 },
aee2ab67 3172#endif
c504ee55
JA		 3173 {
3174 .name = "bwavgtime",
3175 .lname = "Bandwidth average time",
3176 .type = FIO_OPT_INT,
3177 .off1 = td_var_offset(bw_avg_time),
3178 .help = "Time window over which to calculate bandwidth"
3179 " (msec)",
3180 .def = "500",
3181 .parent = "write_bw_log",
3182 .hide = 1,
3183 .interval = 100,
3184 .category = FIO_OPT_C_LOG,
3185 .group = FIO_OPT_G_INVALID,
3186 },
3187 {
3188 .name = "iopsavgtime",
3189 .lname = "IOPS average time",
3190 .type = FIO_OPT_INT,
3191 .off1 = td_var_offset(iops_avg_time),
3192 .help = "Time window over which to calculate IOPS (msec)",
3193 .def = "500",
3194 .parent = "write_iops_log",
3195 .hide = 1,
3196 .interval = 100,
3197 .category = FIO_OPT_C_LOG,
3198 .group = FIO_OPT_G_INVALID,
3199 },
214e1eca
JA		 3200 {
3201 .name = "group_reporting",
e8b0e958 3202 .lname = "Group reporting",
d2507043 3203 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3204 .off1 = td_var_offset(group_reporting),
3205 .help = "Do reporting on a per-group basis",
10860056 3206 .category = FIO_OPT_C_STAT,
e8b0e958 3207 .group = FIO_OPT_G_INVALID,
214e1eca 3208 },
e9459e5a
JA		 3209 {
3210 .name = "zero_buffers",
e8b0e958 3211 .lname = "Zero I/O buffers",
e9459e5a
JA		 3212 .type = FIO_OPT_STR_SET,
3213 .off1 = td_var_offset(zero_buffers),
3214 .help = "Init IO buffers to all zeroes",
e8b0e958 3215 .category = FIO_OPT_C_IO,
3ceb458f 3216 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3217 },
5973cafb
JA		 3218 {
3219 .name = "refill_buffers",
e8b0e958 3220 .lname = "Refill I/O buffers",
5973cafb
JA		 3221 .type = FIO_OPT_STR_SET,
3222 .off1 = td_var_offset(refill_buffers),
3223 .help = "Refill IO buffers on every IO submit",
e8b0e958 3224 .category = FIO_OPT_C_IO,
3ceb458f 3225 .group = FIO_OPT_G_IO_BUF,
5973cafb 3226 },
fd68418e
JA		 3227 {
3228 .name = "scramble_buffers",
e8b0e958 3229 .lname = "Scramble I/O buffers",
fd68418e
JA		 3230 .type = FIO_OPT_BOOL,
3231 .off1 = td_var_offset(scramble_buffers),
3232 .help = "Slightly scramble buffers on every IO submit",
3233 .def = "1",
e8b0e958 3234 .category = FIO_OPT_C_IO,
3ceb458f 3235 .group = FIO_OPT_G_IO_BUF,
fd68418e 3236 },
ce35b1ec
JA		 3237 {
3238 .name = "buffer_pattern",
3239 .lname = "Buffer pattern",
3240 .type = FIO_OPT_STR,
3241 .cb = str_buffer_pattern_cb,
3242 .help = "Fill pattern for IO buffers",
3243 .category = FIO_OPT_C_IO,
3244 .group = FIO_OPT_G_IO_BUF,
3245 },
9c42684e
JA		 3246 {
3247 .name = "buffer_compress_percentage",
e8b0e958 3248 .lname = "Buffer compression percentage",
9c42684e 3249 .type = FIO_OPT_INT,
bedc9dc2 3250 .cb = str_buffer_compress_cb,
9c42684e 3251 .maxval = 100,
e7f5de90 3252 .minval = 0,
9c42684e 3253 .help = "How compressible the buffer is (approximately)",
20eb06bd 3254 .interval = 5,
e8b0e958 3255 .category = FIO_OPT_C_IO,
3ceb458f 3256 .group = FIO_OPT_G_IO_BUF,
9c42684e 3257 },
f97a43a1
JA		 3258 {
3259 .name = "buffer_compress_chunk",
e8b0e958 3260 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3261 .type = FIO_OPT_INT,
3262 .off1 = td_var_offset(compress_chunk),
207b18e4 3263 .parent = "buffer_compress_percentage",
d71c154c 3264 .hide = 1,
f97a43a1 3265 .help = "Size of compressible region in buffer",
20eb06bd 3266 .interval = 256,
e8b0e958 3267 .category = FIO_OPT_C_IO,
3ceb458f 3268 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3269 },
5c94b008
JA		 3270 {
3271 .name = "dedupe_percentage",
3272 .lname = "Dedupe percentage",
3273 .type = FIO_OPT_INT,
3274 .cb = str_dedupe_cb,
3275 .maxval = 100,
3276 .minval = 0,
3277 .help = "Percentage of buffers that are dedupable",
3278 .interval = 1,
3279 .category = FIO_OPT_C_IO,
3280 .group = FIO_OPT_G_IO_BUF,
3281 },
83349190
YH		 3282 {
3283 .name = "clat_percentiles",
e8b0e958 3284 .lname = "Completion latency percentiles",
83349190
YH		 3285 .type = FIO_OPT_BOOL,
3286 .off1 = td_var_offset(clat_percentiles),
3287 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3288 .def = "1",
e8b0e958
JA		 3289 .category = FIO_OPT_C_STAT,
3290 .group = FIO_OPT_G_INVALID,
83349190
YH		 3291 },
3292 {
3293 .name = "percentile_list",
e8b0e958 3294 .lname = "Completion latency percentile list",
83349190
YH		 3295 .type = FIO_OPT_FLOAT_LIST,
3296 .off1 = td_var_offset(percentile_list),
435d195a 3297 .off2 = td_var_offset(percentile_precision),
83349190 3298 .help = "Specify a custom list of percentiles to report",
fd112d34 3299 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3300 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3301 .minfp = 0.0,
3302 .maxfp = 100.0,
e8b0e958
JA		 3303 .category = FIO_OPT_C_STAT,
3304 .group = FIO_OPT_G_INVALID,
83349190
YH		 3305 },
3306
0a839f30
JA		 3307#ifdef FIO_HAVE_DISK_UTIL
3308 {
3309 .name = "disk_util",
e8b0e958 3310 .lname = "Disk utilization",
0a839f30
JA		 3311 .type = FIO_OPT_BOOL,
3312 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3313 .help = "Log disk utilization statistics",
0a839f30 3314 .def = "1",
e8b0e958
JA		 3315 .category = FIO_OPT_C_STAT,
3316 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3317 },
3318#endif
993bf48b
JA		 3319 {
3320 .name = "gtod_reduce",
e8b0e958 3321 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3322 .type = FIO_OPT_BOOL,
3323 .help = "Greatly reduce number of gettimeofday() calls",
3324 .cb = str_gtod_reduce_cb,
3325 .def = "0",
a4ed77fe 3326 .hide_on_set = 1,
e8b0e958
JA		 3327 .category = FIO_OPT_C_STAT,
3328 .group = FIO_OPT_G_INVALID,
993bf48b 3329 },
02af0988
JA		 3330 {
3331 .name = "disable_lat",
e8b0e958 3332 .lname = "Disable all latency stats",
02af0988
JA		 3333 .type = FIO_OPT_BOOL,
3334 .off1 = td_var_offset(disable_lat),
3335 .help = "Disable latency numbers",
3336 .parent = "gtod_reduce",
d71c154c 3337 .hide = 1,
02af0988 3338 .def = "0",
e8b0e958
JA		 3339 .category = FIO_OPT_C_STAT,
3340 .group = FIO_OPT_G_INVALID,
02af0988 3341 },
9520ebb9
JA		 3342 {
3343 .name = "disable_clat",
e8b0e958 3344 .lname = "Disable completion latency stats",
9520ebb9
JA		 3345 .type = FIO_OPT_BOOL,
3346 .off1 = td_var_offset(disable_clat),
3347 .help = "Disable completion latency numbers",
993bf48b 3348 .parent = "gtod_reduce",
d71c154c 3349 .hide = 1,
9520ebb9 3350 .def = "0",
e8b0e958
JA		 3351 .category = FIO_OPT_C_STAT,
3352 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3353 },
3354 {
3355 .name = "disable_slat",
e8b0e958 3356 .lname = "Disable submission latency stats",
9520ebb9
JA		 3357 .type = FIO_OPT_BOOL,
3358 .off1 = td_var_offset(disable_slat),
03e20d68 3359 .help = "Disable submission latency numbers",
993bf48b 3360 .parent = "gtod_reduce",
d71c154c 3361 .hide = 1,
9520ebb9 3362 .def = "0",
e8b0e958
JA		 3363 .category = FIO_OPT_C_STAT,
3364 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3365 },
3366 {
3367 .name = "disable_bw_measurement",
e8b0e958 3368 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3369 .type = FIO_OPT_BOOL,
3370 .off1 = td_var_offset(disable_bw),
3371 .help = "Disable bandwidth logging",
993bf48b 3372 .parent = "gtod_reduce",
d71c154c 3373 .hide = 1,
9520ebb9 3374 .def = "0",
e8b0e958
JA		 3375 .category = FIO_OPT_C_STAT,
3376 .group = FIO_OPT_G_INVALID,
9520ebb9 3377 },
be4ecfdf
JA		 3378 {
3379 .name = "gtod_cpu",
e8b0e958 3380 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 3381 .type = FIO_OPT_INT,
3382 .cb = str_gtod_cpu_cb,
03e20d68 3383 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3384 .verify = gtod_cpu_verify,
e8b0e958 3385 .category = FIO_OPT_C_GENERAL,
10860056 3386 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3387 },
771e58be
JA		 3388 {
3389 .name = "unified_rw_reporting",
3390 .type = FIO_OPT_BOOL,
3391 .off1 = td_var_offset(unified_rw_rep),
3392 .help = "Unify reporting across data direction",
3393 .def = "0",
90b7a96d
JA		 3394 .category = FIO_OPT_C_GENERAL,
3395 .group = FIO_OPT_G_INVALID,
771e58be 3396 },
f2bba182
RR		 3397 {
3398 .name = "continue_on_error",
e8b0e958 3399 .lname = "Continue on error",
06842027 3400 .type = FIO_OPT_STR,
f2bba182 3401 .off1 = td_var_offset(continue_on_error),
03e20d68 3402 .help = "Continue on non-fatal errors during IO",
06842027 3403 .def = "none",
e8b0e958 3404 .category = FIO_OPT_C_GENERAL,
bc3f552f 3405 .group = FIO_OPT_G_ERR,
06842027
SL		 3406 .posval = {
3407 { .ival = "none",
3408 .oval = ERROR_TYPE_NONE,
3409 .help = "Exit when an error is encountered",
3410 },
3411 { .ival = "read",
3412 .oval = ERROR_TYPE_READ,
3413 .help = "Continue on read errors only",
3414 },
3415 { .ival = "write",
3416 .oval = ERROR_TYPE_WRITE,
3417 .help = "Continue on write errors only",
3418 },
3419 { .ival = "io",
3420 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3421 .help = "Continue on any IO errors",
3422 },
3423 { .ival = "verify",
3424 .oval = ERROR_TYPE_VERIFY,
3425 .help = "Continue on verify errors only",
3426 },
3427 { .ival = "all",
3428 .oval = ERROR_TYPE_ANY,
3429 .help = "Continue on all io and verify errors",
3430 },
3431 { .ival = "0",
3432 .oval = ERROR_TYPE_NONE,
3433 .help = "Alias for 'none'",
3434 },
3435 { .ival = "1",
3436 .oval = ERROR_TYPE_ANY,
3437 .help = "Alias for 'all'",
3438 },
3439 },
f2bba182 3440 },
8b28bd41
DM		 3441 {
3442 .name = "ignore_error",
3443 .type = FIO_OPT_STR,
3444 .cb = str_ignore_error_cb,
3445 .help = "Set a specific list of errors to ignore",
3446 .parent = "rw",
a94eb99a 3447 .category = FIO_OPT_C_GENERAL,
bc3f552f 3448 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3449 },
3450 {
3451 .name = "error_dump",
3452 .type = FIO_OPT_BOOL,
3453 .off1 = td_var_offset(error_dump),
3454 .def = "0",
3455 .help = "Dump info on each error",
a94eb99a 3456 .category = FIO_OPT_C_GENERAL,
bc3f552f 3457 .group = FIO_OPT_G_ERR,
8b28bd41 3458 },
9ac8a797
JA		 3459 {
3460 .name = "profile",
e8b0e958 3461 .lname = "Profile",
79d16311 3462 .type = FIO_OPT_STR_STORE,
9ac8a797 3463 .off1 = td_var_offset(profile),
9ac8a797 3464 .help = "Select a specific builtin performance test",
13fca827 3465 .category = FIO_OPT_C_PROFILE,
e8b0e958 3466 .group = FIO_OPT_G_INVALID,
9ac8a797 3467 },
a696fa2a
JA		 3468 {
3469 .name = "cgroup",
e8b0e958 3470 .lname = "Cgroup",
a696fa2a
JA		 3471 .type = FIO_OPT_STR_STORE,
3472 .off1 = td_var_offset(cgroup),
3473 .help = "Add job to cgroup of this name",
e8b0e958 3474 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3475 .group = FIO_OPT_G_CGROUP,
3476 },
3477 {
3478 .name = "cgroup_nodelete",
3479 .lname = "Cgroup no-delete",
3480 .type = FIO_OPT_BOOL,
3481 .off1 = td_var_offset(cgroup_nodelete),
3482 .help = "Do not delete cgroups after job completion",
3483 .def = "0",
3484 .parent = "cgroup",
3485 .category = FIO_OPT_C_GENERAL,
3486 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3487 },
3488 {
3489 .name = "cgroup_weight",
e8b0e958 3490 .lname = "Cgroup weight",
a696fa2a
JA		 3491 .type = FIO_OPT_INT,
3492 .off1 = td_var_offset(cgroup_weight),
3493 .help = "Use given weight for cgroup",
3494 .minval = 100,
3495 .maxval = 1000,
a1f6afec 3496 .parent = "cgroup",
e8b0e958 3497 .category = FIO_OPT_C_GENERAL,
a1f6afec 3498 .group = FIO_OPT_G_CGROUP,
7de87099 3499 },
e0b0d892
JA		 3500 {
3501 .name = "uid",
e8b0e958 3502 .lname = "User ID",
e0b0d892
JA		 3503 .type = FIO_OPT_INT,
3504 .off1 = td_var_offset(uid),
3505 .help = "Run job with this user ID",
e8b0e958 3506 .category = FIO_OPT_C_GENERAL,
10860056 3507 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3508 },
3509 {
3510 .name = "gid",
e8b0e958 3511 .lname = "Group ID",
e0b0d892
JA		 3512 .type = FIO_OPT_INT,
3513 .off1 = td_var_offset(gid),
3514 .help = "Run job with this group ID",
e8b0e958 3515 .category = FIO_OPT_C_GENERAL,
10860056 3516 .group = FIO_OPT_G_CRED,
e0b0d892 3517 },
a1f6afec
JA		 3518 {
3519 .name = "kb_base",
3520 .lname = "KB Base",
3521 .type = FIO_OPT_INT,
3522 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3523 .prio = 1,
3524 .def = "1024",
ba9c7219
JA		 3525 .posval = {
3526 { .ival = "1024",
3527 .oval = 1024,
3528 .help = "Use 1024 as the K base",
3529 },
3530 { .ival = "1000",
3531 .oval = 1000,
3532 .help = "Use 1000 as the K base",
3533 },
3534 },
a1f6afec
JA		 3535 .help = "How many bytes per KB for reporting (1000 or 1024)",
3536 .category = FIO_OPT_C_GENERAL,
3537 .group = FIO_OPT_G_INVALID,
3538 },
cf3a0518
JA		 3539 {
3540 .name = "unit_base",
ba9c7219 3541 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3542 .type = FIO_OPT_INT,
3543 .off1 = td_var_offset(unit_base),
cf3a0518 3544 .prio = 1,
71a08258
JA		 3545 .posval = {
3546 { .ival = "0",
3547 .oval = 0,
3548 .help = "Auto-detect",
3549 },
3550 { .ival = "8",
3551 .oval = 8,
3552 .help = "Normal (byte based)",
3553 },
3554 { .ival = "1",
3555 .oval = 1,
3556 .help = "Bit based",
3557 },
3558 },
cf3a0518
JA		 3559 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3560 .category = FIO_OPT_C_GENERAL,
3561 .group = FIO_OPT_G_INVALID,
3562 },
3ceb458f
JA		 3563 {
3564 .name = "hugepage-size",
3565 .lname = "Hugepage size",
3566 .type = FIO_OPT_INT,
3567 .off1 = td_var_offset(hugepage_size),
3568 .help = "When using hugepages, specify size of each page",
3569 .def = __fio_stringify(FIO_HUGE_PAGE),
3570 .interval = 1024 * 1024,
3571 .category = FIO_OPT_C_GENERAL,
3572 .group = FIO_OPT_G_INVALID,
3573 },
9e684a49
DE		 3574 {
3575 .name = "flow_id",
e8b0e958 3576 .lname = "I/O flow ID",
9e684a49
DE		 3577 .type = FIO_OPT_INT,
3578 .off1 = td_var_offset(flow_id),
3579 .help = "The flow index ID to use",
3580 .def = "0",
e8b0e958
JA		 3581 .category = FIO_OPT_C_IO,
3582 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3583 },
3584 {
3585 .name = "flow",
e8b0e958 3586 .lname = "I/O flow weight",
9e684a49
DE		 3587 .type = FIO_OPT_INT,
3588 .off1 = td_var_offset(flow),
3589 .help = "Weight for flow control of this job",
3590 .parent = "flow_id",
d71c154c 3591 .hide = 1,
9e684a49 3592 .def = "0",
e8b0e958
JA		 3593 .category = FIO_OPT_C_IO,
3594 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3595 },
3596 {
3597 .name = "flow_watermark",
e8b0e958 3598 .lname = "I/O flow watermark",
9e684a49
DE		 3599 .type = FIO_OPT_INT,
3600 .off1 = td_var_offset(flow_watermark),
3601 .help = "High watermark for flow control. This option"
3602 " should be set to the same value for all threads"
3603 " with non-zero flow.",
3604 .parent = "flow_id",
d71c154c 3605 .hide = 1,
9e684a49 3606 .def = "1024",
e8b0e958
JA		 3607 .category = FIO_OPT_C_IO,
3608 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3609 },
3610 {
3611 .name = "flow_sleep",
e8b0e958 3612 .lname = "I/O flow sleep",
9e684a49
DE		 3613 .type = FIO_OPT_INT,
3614 .off1 = td_var_offset(flow_sleep),
3615 .help = "How many microseconds to sleep after being held"
3616 " back by the flow control mechanism",
3617 .parent = "flow_id",
d71c154c 3618 .hide = 1,
9e684a49 3619 .def = "0",
e8b0e958
JA		 3620 .category = FIO_OPT_C_IO,
3621 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3622 },
214e1eca
JA		 3623 {
3624 .name = NULL,
3625 },
3626};
3627
17af15d4 3628static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3629 const char *name, int val)
9f81736c 3630{
17af15d4 3631 lopt->name = (char *) name;
de890a1e 3632 lopt->val = val;
9f81736c 3633 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3634 lopt->has_arg = optional_argument;
9f81736c
JA		 3635 else
3636 lopt->has_arg = required_argument;
3637}
3638
de890a1e
SL		 3639static void options_to_lopts(struct fio_option *opts,
3640 struct option *long_options,
3641 int i, int option_type)
214e1eca 3642{
de890a1e 3643 struct fio_option *o = &opts[0];
214e1eca 3644 while (o->name) {
de890a1e 3645 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3646 if (o->alias) {
3647 i++;
de890a1e 3648 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3649 }
214e1eca
JA		 3650
3651 i++;
3652 o++;
3653 assert(i < FIO_NR_OPTIONS);
3654 }
3655}
3656
de890a1e
SL		 3657void fio_options_set_ioengine_opts(struct option *long_options,
3658 struct thread_data *td)
3659{
3660 unsigned int i;
3661
3662 i = 0;
3663 while (long_options[i].name) {
3664 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3665 memset(&long_options[i], 0, sizeof(*long_options));
3666 break;
3667 }
3668 i++;
3669 }
3670
3671 /*
3672 * Just clear out the prior ioengine options.
3673 */
3674 if (!td || !td->eo)
3675 return;
3676
3677 options_to_lopts(td->io_ops->options, long_options, i,
3678 FIO_GETOPT_IOENGINE);
3679}
3680
3681void fio_options_dup_and_init(struct option *long_options)
3682{
3683 unsigned int i;
3684
9af4a244 3685 options_init(fio_options);
de890a1e
SL		 3686
3687 i = 0;
3688 while (long_options[i].name)
3689 i++;
3690
9af4a244 3691 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3692}
3693
74929ac2
JA		 3694struct fio_keyword {
3695 const char *word;
3696 const char *desc;
3697 char *replace;
3698};
3699
3700static struct fio_keyword fio_keywords[] = {
3701 {
3702 .word = "$pagesize",
3703 .desc = "Page size in the system",
3704 },
3705 {
3706 .word = "$mb_memory",
3707 .desc = "Megabytes of memory online",
3708 },
3709 {
3710 .word = "$ncpus",
3711 .desc = "Number of CPUs online in the system",
3712 },
3713 {
3714 .word = NULL,
3715 },
3716};
3717
3718void fio_keywords_init(void)
3719{
3b2e1464 3720 unsigned long long mb_memory;
74929ac2
JA		 3721 char buf[128];
3722 long l;
3723
a4cfc477 3724 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3725 fio_keywords[0].replace = strdup(buf);
3726
8eb016d3 3727 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3728 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3729 fio_keywords[1].replace = strdup(buf);
3730
c00a2289 3731 l = cpus_online();
74929ac2
JA		 3732 sprintf(buf, "%lu", l);
3733 fio_keywords[2].replace = strdup(buf);
3734}
3735
892a6ffc
JA		 3736#define BC_APP "bc"
3737
3738static char *bc_calc(char *str)
3739{
d0c814ec 3740 char buf[128], *tmp;
892a6ffc
JA		 3741 FILE *f;
3742 int ret;
3743
3744 /*
3745 * No math, just return string
3746 */
d0c814ec
SL		 3747 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3748 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3749 return str;
3750
3751 /*
3752 * Split option from value, we only need to calculate the value
3753 */
3754 tmp = strchr(str, '=');
3755 if (!tmp)
3756 return str;
3757
3758 tmp++;
892a6ffc 3759
d0c814ec
SL		 3760 /*
3761 * Prevent buffer overflows; such a case isn't reasonable anyway
3762 */
3763 if (strlen(str) >= 128 || strlen(tmp) > 100)
3764 return str;
892a6ffc
JA		 3765
3766 sprintf(buf, "which %s > /dev/null", BC_APP);
3767 if (system(buf)) {
3768 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3769 return NULL;
3770 }
3771
d0c814ec 3772 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3773 f = popen(buf, "r");
3c3ed070 3774 if (!f)
892a6ffc 3775 return NULL;
892a6ffc 3776
d0c814ec 3777 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 3778 if (ret <= 0) {
3779 pclose(f);
892a6ffc 3780 return NULL;
1d824f37 3781 }
892a6ffc 3782
892a6ffc 3783 pclose(f);
d0c814ec
SL		 3784 buf[(tmp - str) + ret - 1] = '\0';
3785 memcpy(buf, str, tmp - str);
892a6ffc 3786 free(str);
d0c814ec
SL		 3787 return strdup(buf);
3788}
3789
3790/*
3791 * Return a copy of the input string with substrings of the form ${VARNAME}
3792 * substituted with the value of the environment variable VARNAME. The
3793 * substitution always occurs, even if VARNAME is empty or the corresponding
3794 * environment variable undefined.
3795 */
3796static char *option_dup_subs(const char *opt)
3797{
3798 char out[OPT_LEN_MAX+1];
3799 char in[OPT_LEN_MAX+1];
3800 char *outptr = out;
3801 char *inptr = in;
3802 char *ch1, *ch2, *env;
3803 ssize_t nchr = OPT_LEN_MAX;
3804 size_t envlen;
3805
3806 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3807 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3808 return NULL;
3809 }
3810
3811 in[OPT_LEN_MAX] = '\0';
3812 strncpy(in, opt, OPT_LEN_MAX);
3813
3814 while (*inptr && nchr > 0) {
3815 if (inptr[0] == '$' && inptr[1] == '{') {
3816 ch2 = strchr(inptr, '}');
3817 if (ch2 && inptr+1 < ch2) {
3818 ch1 = inptr+2;
3819 inptr = ch2+1;
3820 *ch2 = '\0';
3821
3822 env = getenv(ch1);
3823 if (env) {
3824 envlen = strlen(env);
3825 if (envlen <= nchr) {
3826 memcpy(outptr, env, envlen);
3827 outptr += envlen;
3828 nchr -= envlen;
3829 }
3830 }
3831
3832 continue;
3833 }
3834 }
3835
3836 *outptr++ = *inptr++;
3837 --nchr;
3838 }
3839
3840 *outptr = '\0';
3841 return strdup(out);
892a6ffc
JA		 3842}
3843
74929ac2
JA		 3844/*
3845 * Look for reserved variable names and replace them with real values
3846 */
3847static char *fio_keyword_replace(char *opt)
3848{
3849 char *s;
3850 int i;
d0c814ec 3851 int docalc = 0;
74929ac2
JA		 3852
3853 for (i = 0; fio_keywords[i].word != NULL; i++) {
3854 struct fio_keyword *kw = &fio_keywords[i];
3855
3856 while ((s = strstr(opt, kw->word)) != NULL) {
3857 char *new = malloc(strlen(opt) + 1);
3858 char *o_org = opt;
3859 int olen = s - opt;
3860 int len;
3861
3862 /*
3863 * Copy part of the string before the keyword and
3864 * sprintf() the replacement after it.
3865 */
3866 memcpy(new, opt, olen);
3867 len = sprintf(new + olen, "%s", kw->replace);
3868
3869 /*
3870 * If there's more in the original string, copy that
3871 * in too
3872 */
3873 opt += strlen(kw->word) + olen;
3874 if (strlen(opt))
3875 memcpy(new + olen + len, opt, opt - o_org - 1);
3876
3877 /*
3878 * replace opt and free the old opt
3879 */
3880 opt = new;
d0c814ec 3881 free(o_org);
7a958bd5 3882
d0c814ec 3883 docalc = 1;
74929ac2
JA		 3884 }
3885 }
3886
d0c814ec
SL		 3887 /*
3888 * Check for potential math and invoke bc, if possible
3889 */
3890 if (docalc)
3891 opt = bc_calc(opt);
3892
7a958bd5 3893 return opt;
74929ac2
JA		 3894}
3895
d0c814ec
SL		 3896static char **dup_and_sub_options(char **opts, int num_opts)
3897{
3898 int i;
3899 char **opts_copy = malloc(num_opts * sizeof(*opts));
3900 for (i = 0; i < num_opts; i++) {
3901 opts_copy[i] = option_dup_subs(opts[i]);
3902 if (!opts_copy[i])
3903 continue;
3904 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3905 }
3906 return opts_copy;
3907}
3908
292cc475
JA		 3909int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3910 int dump_cmdline)
214e1eca 3911{
de890a1e 3912 int i, ret, unknown;
d0c814ec 3913 char **opts_copy;
3b8b7135 3914
9af4a244 3915 sort_options(opts, fio_options, num_opts);
d0c814ec 3916 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 3917
de890a1e
SL		 3918 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3919 struct fio_option *o;
9af4a244 3920 int newret = parse_option(opts_copy[i], opts[i], fio_options,
292cc475 3921 &o, td, dump_cmdline);
d0c814ec 3922
de890a1e
SL		 3923 if (opts_copy[i]) {
3924 if (newret && !o) {
3925 unknown++;
3926 continue;
3927 }
d0c814ec 3928 free(opts_copy[i]);
de890a1e
SL		 3929 opts_copy[i] = NULL;
3930 }
3931
3932 ret |= newret;
3933 }
3934
3935 if (unknown) {
3936 ret |= ioengine_load(td);
3937 if (td->eo) {
3938 sort_options(opts_copy, td->io_ops->options, num_opts);
3939 opts = opts_copy;
3940 }
3941 for (i = 0; i < num_opts; i++) {
3942 struct fio_option *o = NULL;
3943 int newret = 1;
3944 if (!opts_copy[i])
3945 continue;
3946
3947 if (td->eo)
3948 newret = parse_option(opts_copy[i], opts[i],
3949 td->io_ops->options, &o,
292cc475 3950 td->eo, dump_cmdline);
de890a1e
SL		 3951
3952 ret |= newret;
3953 if (!o)
3954 log_err("Bad option <%s>\n", opts[i]);
3955
3956 free(opts_copy[i]);
3957 opts_copy[i] = NULL;
3958 }
74929ac2 3959 }
3b8b7135 3960
d0c814ec 3961 free(opts_copy);
3b8b7135 3962 return ret;
214e1eca
JA		 3963}
3964
3965int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3966{
9af4a244 3967 return parse_cmd_option(opt, val, fio_options, td);
214e1eca
JA		 3968}
3969
de890a1e
SL		 3970int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3971 char *val)
3972{
8a96c80e 3973 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
de890a1e
SL		 3974}
3975
214e1eca
JA		 3976void fio_fill_default_options(struct thread_data *td)
3977{
cb1402d6 3978 td->o.magic = OPT_MAGIC;
9af4a244 3979 fill_default_options(td, fio_options);
214e1eca
JA		 3980}
3981
3982int fio_show_option_help(const char *opt)
3983{
9af4a244 3984 return show_cmd_help(fio_options, opt);
214e1eca 3985}
d23bb327 3986
de890a1e 3987void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 3988{
de890a1e 3989 struct fio_option *o;
d23bb327 3990 char **ptr;
d23bb327 3991
de890a1e
SL		 3992 for (o = &options[0]; o->name; o++) {
3993 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 3994 continue;
3995
f0fdbcaf 3996 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 3997 if (*ptr)
3998 *ptr = strdup(*ptr);
d23bb327
JA		 3999 }
4000}
4001
de890a1e
SL		 4002/*
4003 * dupe FIO_OPT_STR_STORE options
4004 */
4005void fio_options_mem_dupe(struct thread_data *td)
4006{
9af4a244 4007 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 4008
4009 if (td->eo && td->io_ops) {
de890a1e 4010 void *oldeo = td->eo;
1647f592 4011
de890a1e
SL		 4012 td->eo = malloc(td->io_ops->option_struct_size);
4013 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4014 options_mem_dupe(td->eo, td->io_ops->options);
4015 }
4016}
4017
d6978a32
JA		 4018unsigned int fio_get_kb_base(void *data)
4019{
83ea422a 4020 struct thread_options *o = data;
d6978a32
JA		 4021 unsigned int kb_base = 0;
4022
cb1402d6
JA		 4023 /*
4024 * This is a hack... For private options, *data is not holding
4025 * a pointer to the thread_options, but to private data. This means
4026 * we can't safely dereference it, but magic is first so mem wise
4027 * it is valid. But this also means that if the job first sets
4028 * kb_base and expects that to be honored by private options,
4029 * it will be disappointed. We will return the global default
4030 * for this.
4031 */
4032 if (o && o->magic == OPT_MAGIC)
83ea422a 4033 kb_base = o->kb_base;
d6978a32
JA		 4034 if (!kb_base)
4035 kb_base = 1024;
4036
4037 return kb_base;
4038}
9f988e2e 4039
07b3232d 4040int add_option(struct fio_option *o)
9f988e2e 4041{
07b3232d
JA		 4042 struct fio_option *__o;
4043 int opt_index = 0;
4044
9af4a244 4045 __o = fio_options;
07b3232d
JA		 4046 while (__o->name) {
4047 opt_index++;
4048 __o++;
4049 }
4050
7b504edd
JA		 4051 if (opt_index + 1 == FIO_MAX_OPTS) {
4052 log_err("fio: FIO_MAX_OPTS is too small\n");
4053 return 1;
4054 }
4055
9af4a244 4056 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4057 fio_options[opt_index + 1].name = NULL;
07b3232d 4058 return 0;
9f988e2e 4059}
e2de69da 4060
07b3232d 4061void invalidate_profile_options(const char *prof_name)
e2de69da 4062{
07b3232d 4063 struct fio_option *o;
e2de69da 4064
9af4a244 4065 o = fio_options;
07b3232d
JA		 4066 while (o->name) {
4067 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4068 o->type = FIO_OPT_INVALID;
4069 o->prof_name = NULL;
4070 }
4071 o++;
e2de69da
JA		 4072 }
4073}
f5b6bb85
JA		 4074
4075void add_opt_posval(const char *optname, const char *ival, const char *help)
4076{
4077 struct fio_option *o;
4078 unsigned int i;
4079
9af4a244 4080 o = find_option(fio_options, optname);
f5b6bb85
JA		 4081 if (!o)
4082 return;
4083
4084 for (i = 0; i < PARSE_MAX_VP; i++) {
4085 if (o->posval[i].ival)
4086 continue;
4087
4088 o->posval[i].ival = ival;
4089 o->posval[i].help = help;
4090 break;
4091 }
4092}
4093
4094void del_opt_posval(const char *optname, const char *ival)
4095{
4096 struct fio_option *o;
4097 unsigned int i;
4098
9af4a244 4099 o = find_option(fio_options, optname);
f5b6bb85
JA		 4100 if (!o)
4101 return;
4102
4103 for (i = 0; i < PARSE_MAX_VP; i++) {
4104 if (!o->posval[i].ival)
4105 continue;
4106 if (strcmp(o->posval[i].ival, ival))
4107 continue;
4108
4109 o->posval[i].ival = NULL;
4110 o->posval[i].help = NULL;
4111 }
4112}
7e356b2d
JA		 4113
4114void fio_options_free(struct thread_data *td)
4115{
9af4a244 4116 options_free(fio_options, td);
de890a1e
SL		 4117 if (td->eo && td->io_ops && td->io_ops->options) {
4118 options_free(td->io_ops->options, td->eo);
4119 free(td->eo);
4120 td->eo = NULL;
4121 }
7e356b2d 4122}
c504ee55
JA		 4123
4124struct fio_option *fio_option_find(const char *name)
4125{
4126 return find_option(fio_options, name);
4127}
4128
fio - Flexible IO Tester