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fio: print io_u errors on one line
[fio.git] / options.c
CommitLineData
214e1eca
JA		 1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
214e1eca 6#include <assert.h>
921c766f 7#include <libgen.h>
5921e80c
JA		 8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
214e1eca
JA		 11
12#include "fio.h"
4f5af7b2 13#include "verify.h"
214e1eca 14#include "parse.h"
eef32359 15#include "lib/fls.h"
9f988e2e 16#include "options.h"
214e1eca 17
5d7c5d34
JA		 18#include "crc/crc32c.h"
19
214e1eca
JA		 20/*
21 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
22 */
23static char *get_opt_postfix(const char *str)
24{
25 char *p = strstr(str, ":");
26
27 if (!p)
28 return NULL;
29
30 p++;
31 strip_blank_front(&p);
32 strip_blank_end(p);
33 return strdup(p);
34}
35
0e92f873
RR		 36static int converthexchartoint(char a)
37{
38 int base;
39
3c3ed070 40 switch (a) {
0e92f873
RR		 41 case '0'...'9':
42 base = '0';
43 break;
44 case 'A'...'F':
45 base = 'A' - 10;
46 break;
47 case 'a'...'f':
48 base = 'a' - 10;
49 break;
50 default:
51 base = 0;
52 }
3c3ed070 53 return a - base;
0e92f873
RR		 54}
55
564ca972
JA		 56static int bs_cmp(const void *p1, const void *p2)
57{
58 const struct bssplit *bsp1 = p1;
59 const struct bssplit *bsp2 = p2;
60
61 return bsp1->perc < bsp2->perc;
62}
63
83ea422a 64static int bssplit_ddir(struct thread_options *o, int ddir, char *str)
564ca972 65{
720e84ad 66 struct bssplit *bssplit;
564ca972
JA		 67 unsigned int i, perc, perc_missing;
68 unsigned int max_bs, min_bs;
69 long long val;
720e84ad 70 char *fname;
564ca972 71
83ea422a 72 o->bssplit_nr[ddir] = 4;
720e84ad 73 bssplit = malloc(4 * sizeof(struct bssplit));
564ca972
JA		 74
75 i = 0;
76 max_bs = 0;
77 min_bs = -1;
78 while ((fname = strsep(&str, ":")) != NULL) {
79 char *perc_str;
80
81 if (!strlen(fname))
82 break;
83
84 /*
85 * grow struct buffer, if needed
86 */
83ea422a
JA		 87 if (i == o->bssplit_nr[ddir]) {
88 o->bssplit_nr[ddir] <<= 1;
89 bssplit = realloc(bssplit, o->bssplit_nr[ddir]
5ec10eaa 90 * sizeof(struct bssplit));
564ca972
JA		 91 }
92
93 perc_str = strstr(fname, "/");
94 if (perc_str) {
95 *perc_str = '\0';
96 perc_str++;
97 perc = atoi(perc_str);
98 if (perc > 100)
99 perc = 100;
100 else if (!perc)
101 perc = -1;
102 } else
103 perc = -1;
104
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
JA		 129
130 if (bsp->perc == (unsigned char) -1)
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 }
141 /*
142 * If values didn't have a percentage set, divide the remains between
143 * them.
144 */
145 if (perc_missing) {
40bafa33
JA		 146 if (perc_missing == 1)
147 perc = 100;
83ea422a 148 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 149 struct bssplit *bsp = &bssplit[i];
564ca972
JA		 150
151 if (bsp->perc == (unsigned char) -1)
152 bsp->perc = (100 - perc) / perc_missing;
153 }
154 }
155
83ea422a
JA		 156 o->min_bs[ddir] = min_bs;
157 o->max_bs[ddir] = max_bs;
564ca972
JA		 158
159 /*
160 * now sort based on percentages, for ease of lookup
161 */
83ea422a
JA		 162 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
163 o->bssplit[ddir] = bssplit;
720e84ad 164 return 0;
720e84ad
JA		 165}
166
167static int str_bssplit_cb(void *data, const char *input)
168{
169 struct thread_data *td = data;
6eaf09d6 170 char *str, *p, *odir, *ddir;
720e84ad
JA		 171 int ret = 0;
172
52c0cea3
JA		 173 if (parse_dryrun())
174 return 0;
175
720e84ad
JA		 176 p = str = strdup(input);
177
178 strip_blank_front(&str);
179 strip_blank_end(str);
180
181 odir = strchr(str, ',');
182 if (odir) {
6eaf09d6
SL		 183 ddir = strchr(odir + 1, ',');
184 if (ddir) {
d79db122 185 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL		 186 if (!ret)
187 *ddir = '\0';
188 } else {
189 char *op;
190
191 op = strdup(odir + 1);
d79db122 192 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 193
194 free(op);
195 }
d79db122
JA		 196 if (!ret)
197 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA		 198 if (!ret) {
199 *odir = '\0';
83ea422a 200 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad
JA		 201 }
202 } else {
203 char *op;
204
205 op = strdup(str);
d79db122 206 ret = bssplit_ddir(&td->o, DDIR_WRITE, op);
6eaf09d6 207 free(op);
720e84ad 208
6eaf09d6
SL		 209 if (!ret) {
210 op = strdup(str);
d79db122 211 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 212 free(op);
213 }
83ea422a 214 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad 215 }
564ca972
JA		 216
217 free(p);
720e84ad 218 return ret;
564ca972
JA		 219}
220
8b28bd41
DM		 221static int str2error(char *str)
222{
a94eb99a 223 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 224 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
225 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
226 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
227 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
228 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
229 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 230 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
8b28bd41
DM		 231 int i = 0, num = sizeof(err) / sizeof(void *);
232
a94eb99a 233 while (i < num) {
8b28bd41
DM		 234 if (!strcmp(err[i], str))
235 return i + 1;
236 i++;
237 }
238 return 0;
239}
240
241static int ignore_error_type(struct thread_data *td, int etype, char *str)
242{
243 unsigned int i;
244 int *error;
245 char *fname;
246
247 if (etype >= ERROR_TYPE_CNT) {
248 log_err("Illegal error type\n");
249 return 1;
250 }
251
252 td->o.ignore_error_nr[etype] = 4;
253 error = malloc(4 * sizeof(struct bssplit));
254
255 i = 0;
256 while ((fname = strsep(&str, ":")) != NULL) {
257
258 if (!strlen(fname))
259 break;
260
261 /*
262 * grow struct buffer, if needed
263 */
264 if (i == td->o.ignore_error_nr[etype]) {
265 td->o.ignore_error_nr[etype] <<= 1;
266 error = realloc(error, td->o.ignore_error_nr[etype]
267 * sizeof(int));
268 }
269 if (fname[0] == 'E') {
270 error[i] = str2error(fname);
271 } else {
272 error[i] = atoi(fname);
273 if (error[i] < 0)
1616e025 274 error[i] = -error[i];
8b28bd41
DM		 275 }
276 if (!error[i]) {
277 log_err("Unknown error %s, please use number value \n",
278 fname);
0fddbf7a 279 free(error);
8b28bd41
DM		 280 return 1;
281 }
282 i++;
283 }
284 if (i) {
285 td->o.continue_on_error |= 1 << etype;
286 td->o.ignore_error_nr[etype] = i;
287 td->o.ignore_error[etype] = error;
c7b086be
JA		 288 } else
289 free(error);
290
8b28bd41
DM		 291 return 0;
292
293}
294
295static int str_ignore_error_cb(void *data, const char *input)
296{
297 struct thread_data *td = data;
298 char *str, *p, *n;
299 int type = 0, ret = 1;
52c0cea3
JA		 300
301 if (parse_dryrun())
302 return 0;
303
8b28bd41
DM		 304 p = str = strdup(input);
305
306 strip_blank_front(&str);
307 strip_blank_end(str);
308
309 while (p) {
310 n = strchr(p, ',');
311 if (n)
312 *n++ = '\0';
313 ret = ignore_error_type(td, type, p);
314 if (ret)
315 break;
316 p = n;
317 type++;
318 }
319 free(str);
320 return ret;
321}
322
211097b2
JA		 323static int str_rw_cb(void *data, const char *str)
324{
325 struct thread_data *td = data;
83ea422a 326 struct thread_options *o = &td->o;
27ca949f 327 char *nr;
211097b2 328
52c0cea3
JA		 329 if (parse_dryrun())
330 return 0;
331
83ea422a
JA		 332 o->ddir_seq_nr = 1;
333 o->ddir_seq_add = 0;
059b0802 334
27ca949f 335 nr = get_opt_postfix(str);
059b0802
JA		 336 if (!nr)
337 return 0;
338
339 if (td_random(td))
83ea422a 340 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 341 else {
342 long long val;
343
0de5b26f 344 if (str_to_decimal(nr, &val, 1, o, 0)) {
059b0802
JA		 345 log_err("fio: rw postfix parsing failed\n");
346 free(nr);
347 return 1;
348 }
349
83ea422a 350 o->ddir_seq_add = val;
182ec6ee 351 }
211097b2 352
059b0802 353 free(nr);
211097b2
JA		 354 return 0;
355}
356
214e1eca
JA		 357static int str_mem_cb(void *data, const char *mem)
358{
359 struct thread_data *td = data;
360
d9759b1e 361 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
836fcc0f 362 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 363
364 return 0;
365}
366
c223da83
JA		 367static int fio_clock_source_cb(void *data, const char *str)
368{
369 struct thread_data *td = data;
370
371 fio_clock_source = td->o.clocksource;
fa80feae 372 fio_clock_source_set = 1;
01423eae 373 fio_clock_init();
c223da83
JA		 374 return 0;
375}
376
85bc833b 377static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA		 378{
379 struct thread_data *td = data;
380
381 td->o.rwmix[DDIR_READ] = *val;
382 td->o.rwmix[DDIR_WRITE] = 100 - *val;
383 return 0;
384}
385
85bc833b 386static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA		 387{
388 struct thread_data *td = data;
389
390 td->o.rwmix[DDIR_WRITE] = *val;
391 td->o.rwmix[DDIR_READ] = 100 - *val;
392 return 0;
393}
394
214e1eca
JA		 395static int str_exitall_cb(void)
396{
397 exitall_on_terminate = 1;
398 return 0;
399}
400
214e1eca 401#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 402int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 403{
50b5860b 404 unsigned int i, index, cpus_in_mask;
c2acfbac 405 const long max_cpu = cpus_online();
c2acfbac 406
50b5860b
JA		 407 cpus_in_mask = fio_cpu_count(mask);
408 cpu_index = cpu_index % cpus_in_mask;
409
410 index = 0;
c2acfbac 411 for (i = 0; i < max_cpu; i++) {
50b5860b 412 if (!fio_cpu_isset(mask, i))
c2acfbac 413 continue;
50b5860b
JA		 414
415 if (cpu_index != index)
416 fio_cpu_clear(mask, i);
417
418 index++;
c2acfbac
JA		 419 }
420
421 return fio_cpu_count(mask);
422}
423
85bc833b 424static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA		 425{
426 struct thread_data *td = data;
214e1eca 427 unsigned int i;
b03daafb 428 long max_cpu;
d2ce18b5
JA		 429 int ret;
430
52c0cea3
JA		 431 if (parse_dryrun())
432 return 0;
433
d2ce18b5
JA		 434 ret = fio_cpuset_init(&td->o.cpumask);
435 if (ret < 0) {
436 log_err("fio: cpuset_init failed\n");
437 td_verror(td, ret, "fio_cpuset_init");
438 return 1;
439 }
214e1eca 440
c00a2289 441 max_cpu = cpus_online();
214e1eca 442
62a7273d
JA		 443 for (i = 0; i < sizeof(int) * 8; i++) {
444 if ((1 << i) & *val) {
b03daafb
JA		 445 if (i > max_cpu) {
446 log_err("fio: CPU %d too large (max=%ld)\n", i,
447 max_cpu);
448 return 1;
449 }
62a7273d 450 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 451 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 452 }
453 }
d2e268b0
JA		 454
455 td->o.cpumask_set = 1;
456 return 0;
214e1eca
JA		 457}
458
e8462bd8
JA		 459static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
460 const char *input)
214e1eca 461{
d2e268b0 462 char *cpu, *str, *p;
b03daafb 463 long max_cpu;
19608d6c 464 int ret = 0;
d2e268b0 465
e8462bd8 466 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 467 if (ret < 0) {
468 log_err("fio: cpuset_init failed\n");
469 td_verror(td, ret, "fio_cpuset_init");
470 return 1;
471 }
d2e268b0
JA		 472
473 p = str = strdup(input);
214e1eca 474
d2e268b0
JA		 475 strip_blank_front(&str);
476 strip_blank_end(str);
477
c00a2289 478 max_cpu = cpus_online();
b03daafb 479
d2e268b0 480 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 481 char *str2, *cpu2;
482 int icpu, icpu2;
483
d2e268b0
JA		 484 if (!strlen(cpu))
485 break;
62a7273d
JA		 486
487 str2 = cpu;
488 icpu2 = -1;
489 while ((cpu2 = strsep(&str2, "-")) != NULL) {
490 if (!strlen(cpu2))
491 break;
492
493 icpu2 = atoi(cpu2);
494 }
495
496 icpu = atoi(cpu);
497 if (icpu2 == -1)
498 icpu2 = icpu;
499 while (icpu <= icpu2) {
6d459ee7 500 if (icpu >= FIO_MAX_CPUS) {
19608d6c 501 log_err("fio: your OS only supports up to"
6d459ee7 502 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 503 ret = 1;
504 break;
505 }
b03daafb
JA		 506 if (icpu > max_cpu) {
507 log_err("fio: CPU %d too large (max=%ld)\n",
508 icpu, max_cpu);
509 ret = 1;
510 break;
511 }
0b9d69ec 512
62a7273d 513 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 514 fio_cpu_set(mask, icpu);
62a7273d
JA		 515 icpu++;
516 }
19608d6c
JA		 517 if (ret)
518 break;
d2e268b0
JA		 519 }
520
521 free(p);
19608d6c
JA		 522 if (!ret)
523 td->o.cpumask_set = 1;
524 return ret;
214e1eca 525}
e8462bd8
JA		 526
527static int str_cpus_allowed_cb(void *data, const char *input)
528{
529 struct thread_data *td = data;
530 int ret;
531
52c0cea3
JA		 532 if (parse_dryrun())
533 return 0;
534
e8462bd8
JA		 535 ret = set_cpus_allowed(td, &td->o.cpumask, input);
536 if (!ret)
537 td->o.cpumask_set = 1;
538
539 return ret;
540}
541
542static int str_verify_cpus_allowed_cb(void *data, const char *input)
543{
544 struct thread_data *td = data;
545 int ret;
546
547 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
548 if (!ret)
549 td->o.verify_cpumask_set = 1;
550
551 return ret;
552}
d2e268b0 553#endif
214e1eca 554
67bf9823 555#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 556static int str_numa_cpunodes_cb(void *data, char *input)
557{
558 struct thread_data *td = data;
43522848 559 struct bitmask *verify_bitmask;
d0b937ed 560
52c0cea3
JA		 561 if (parse_dryrun())
562 return 0;
563
d0b937ed
YR		 564 /* numa_parse_nodestring() parses a character string list
565 * of nodes into a bit mask. The bit mask is allocated by
566 * numa_allocate_nodemask(), so it should be freed by
567 * numa_free_nodemask().
568 */
43522848
DG		 569 verify_bitmask = numa_parse_nodestring(input);
570 if (verify_bitmask == NULL) {
d0b937ed
YR		 571 log_err("fio: numa_parse_nodestring failed\n");
572 td_verror(td, 1, "str_numa_cpunodes_cb");
573 return 1;
574 }
43522848 575 numa_free_nodemask(verify_bitmask);
d0b937ed 576
43522848 577 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 578 td->o.numa_cpumask_set = 1;
579 return 0;
580}
581
582static int str_numa_mpol_cb(void *data, char *input)
583{
584 struct thread_data *td = data;
585 const char * const policy_types[] =
05d6f44b 586 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 587 int i;
52c0cea3 588 char *nodelist;
43522848 589 struct bitmask *verify_bitmask;
52c0cea3
JA		 590
591 if (parse_dryrun())
592 return 0;
d0b937ed 593
52c0cea3 594 nodelist = strchr(input, ':');
d0b937ed
YR		 595 if (nodelist) {
596 /* NUL-terminate mode */
597 *nodelist++ = '\0';
598 }
599
600 for (i = 0; i <= MPOL_LOCAL; i++) {
601 if (!strcmp(input, policy_types[i])) {
602 td->o.numa_mem_mode = i;
603 break;
604 }
605 }
606 if (i > MPOL_LOCAL) {
607 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
608 goto out;
609 }
610
611 switch (td->o.numa_mem_mode) {
612 case MPOL_PREFERRED:
613 /*
614 * Insist on a nodelist of one node only
615 */
616 if (nodelist) {
617 char *rest = nodelist;
618 while (isdigit(*rest))
619 rest++;
620 if (*rest) {
621 log_err("fio: one node only for \'prefer\'\n");
622 goto out;
623 }
624 } else {
625 log_err("fio: one node is needed for \'prefer\'\n");
626 goto out;
627 }
628 break;
629 case MPOL_INTERLEAVE:
630 /*
631 * Default to online nodes with memory if no nodelist
632 */
633 if (!nodelist)
634 nodelist = strdup("all");
635 break;
636 case MPOL_LOCAL:
637 case MPOL_DEFAULT:
638 /*
639 * Don't allow a nodelist
640 */
641 if (nodelist) {
642 log_err("fio: NO nodelist for \'local\'\n");
643 goto out;
644 }
645 break;
646 case MPOL_BIND:
647 /*
648 * Insist on a nodelist
649 */
650 if (!nodelist) {
651 log_err("fio: a nodelist is needed for \'bind\'\n");
652 goto out;
653 }
654 break;
655 }
656
657
658 /* numa_parse_nodestring() parses a character string list
659 * of nodes into a bit mask. The bit mask is allocated by
660 * numa_allocate_nodemask(), so it should be freed by
661 * numa_free_nodemask().
662 */
663 switch (td->o.numa_mem_mode) {
664 case MPOL_PREFERRED:
665 td->o.numa_mem_prefer_node = atoi(nodelist);
666 break;
667 case MPOL_INTERLEAVE:
668 case MPOL_BIND:
43522848
DG		 669 verify_bitmask = numa_parse_nodestring(nodelist);
670 if (verify_bitmask == NULL) {
d0b937ed
YR		 671 log_err("fio: numa_parse_nodestring failed\n");
672 td_verror(td, 1, "str_numa_memnodes_cb");
673 return 1;
674 }
43522848
DG		 675 td->o.numa_memnodes = strdup(nodelist);
676 numa_free_nodemask(verify_bitmask);
b74e419e 677
d0b937ed
YR		 678 break;
679 case MPOL_LOCAL:
680 case MPOL_DEFAULT:
681 default:
682 break;
683 }
684
685 td->o.numa_memmask_set = 1;
686 return 0;
687
688out:
689 return 1;
690}
691#endif
692
214e1eca
JA		 693static int str_fst_cb(void *data, const char *str)
694{
695 struct thread_data *td = data;
696 char *nr = get_opt_postfix(str);
697
698 td->file_service_nr = 1;
182ec6ee 699 if (nr) {
214e1eca 700 td->file_service_nr = atoi(nr);
182ec6ee
JA		 701 free(nr);
702 }
214e1eca
JA		 703
704 return 0;
705}
706
67bf9823 707#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 708static int str_sfr_cb(void *data, const char *str)
709{
710 struct thread_data *td = data;
711 char *nr = get_opt_postfix(str);
712
713 td->sync_file_range_nr = 1;
714 if (nr) {
715 td->sync_file_range_nr = atoi(nr);
716 free(nr);
717 }
718
719 return 0;
720}
3ae06371 721#endif
44f29692 722
e25839d4
JA		 723static int str_random_distribution_cb(void *data, const char *str)
724{
725 struct thread_data *td = data;
726 double val;
727 char *nr;
728
52c0cea3
JA		 729 if (parse_dryrun())
730 return 0;
731
925fee33
JA		 732 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
733 val = 1.1;
734 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
735 val = 0.2;
736 else
e25839d4
JA		 737 return 0;
738
739 nr = get_opt_postfix(str);
925fee33 740 if (nr && !str_to_float(nr, &val)) {
e25839d4
JA		 741 log_err("fio: random postfix parsing failed\n");
742 free(nr);
743 return 1;
744 }
745
078189c1
JA		 746 free(nr);
747
18ded917
JA		 748 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
749 if (val == 1.00) {
750 log_err("fio: zipf theta must different than 1.0\n");
751 return 1;
752 }
1e5324e7 753 td->o.zipf_theta.u.f = val;
18ded917 754 } else {
078189c1
JA		 755 if (val <= 0.00 || val >= 1.00) {
756 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
757 return 1;
758 }
1e5324e7 759 td->o.pareto_h.u.f = val;
fcef0b35 760 }
921c766f
JA		 761
762 return 0;
763}
764
8e827d35 765/*
bcbfeefa 766 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 767 * is escaped with a '\', then that ':' is part of the filename and does not
768 * indicate a new file.
769 */
bcbfeefa 770static char *get_next_name(char **ptr)
8e827d35
JA		 771{
772 char *str = *ptr;
773 char *p, *start;
774
775 if (!str || !strlen(str))
776 return NULL;
777
778 start = str;
779 do {
780 /*
781 * No colon, we are done
782 */
783 p = strchr(str, ':');
784 if (!p) {
785 *ptr = NULL;
786 break;
787 }
788
789 /*
790 * We got a colon, but it's the first character. Skip and
791 * continue
792 */
793 if (p == start) {
794 str = ++start;
795 continue;
796 }
797
798 if (*(p - 1) != '\\') {
799 *p = '\0';
800 *ptr = p + 1;
801 break;
802 }
803
804 memmove(p - 1, p, strlen(p) + 1);
805 str = p;
806 } while (1);
807
808 return start;
809}
810
bcbfeefa
CE		 811
812static int get_max_name_idx(char *input)
813{
814 unsigned int cur_idx;
815 char *str, *p;
816
817 p = str = strdup(input);
818 for (cur_idx = 0; ; cur_idx++)
819 if (get_next_name(&str) == NULL)
820 break;
821
822 free(p);
823 return cur_idx;
824}
825
826/*
827 * Returns the directory at the index, indexes > entires will be
828 * assigned via modulo division of the index
829 */
830int set_name_idx(char *target, char *input, int index)
831{
832 unsigned int cur_idx;
833 int len;
834 char *fname, *str, *p;
835
836 p = str = strdup(input);
837
838 index %= get_max_name_idx(input);
839 for (cur_idx = 0; cur_idx <= index; cur_idx++)
840 fname = get_next_name(&str);
841
842 len = sprintf(target, "%s/", fname);
843 free(p);
844
845 return len;
846}
847
214e1eca
JA		 848static int str_filename_cb(void *data, const char *input)
849{
850 struct thread_data *td = data;
851 char *fname, *str, *p;
852
853 p = str = strdup(input);
854
855 strip_blank_front(&str);
856 strip_blank_end(str);
857
858 if (!td->files_index)
2dc1bbeb 859 td->o.nr_files = 0;
214e1eca 860
bcbfeefa 861 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 862 if (!strlen(fname))
863 break;
5903e7b7 864 add_file(td, fname, 0, 1);
214e1eca
JA		 865 }
866
867 free(p);
868 return 0;
869}
870
bcbfeefa 871static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA		 872{
873 struct thread_data *td = data;
874 struct stat sb;
bcbfeefa
CE		 875 char *dirname, *str, *p;
876 int ret = 0;
214e1eca 877
f9633d72
JA		 878 if (parse_dryrun())
879 return 0;
880
bcbfeefa
CE		 881 p = str = strdup(td->o.directory);
882 while ((dirname = get_next_name(&str)) != NULL) {
883 if (lstat(dirname, &sb) < 0) {
884 ret = errno;
921c766f 885
bcbfeefa
CE		 886 log_err("fio: %s is not a directory\n", dirname);
887 td_verror(td, ret, "lstat");
888 goto out;
889 }
890 if (!S_ISDIR(sb.st_mode)) {
891 log_err("fio: %s is not a directory\n", dirname);
892 ret = 1;
893 goto out;
894 }
214e1eca
JA		 895 }
896
bcbfeefa
CE		 897out:
898 free(p);
899 return ret;
214e1eca
JA		 900}
901
f2a2803a
JA		 902static int str_lockfile_cb(void *data, const char fio_unused *str)
903{
904 struct thread_data *td = data;
905
906 if (td->files_index) {
907 log_err("fio: lockfile= option must precede filename=\n");
908 return 1;
909 }
910
911 return 0;
912}
913
214e1eca
JA		 914static int str_opendir_cb(void *data, const char fio_unused *str)
915{
916 struct thread_data *td = data;
917
52c0cea3
JA		 918 if (parse_dryrun())
919 return 0;
920
214e1eca 921 if (!td->files_index)
2dc1bbeb 922 td->o.nr_files = 0;
214e1eca 923
2dc1bbeb 924 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 925}
926
ce35b1ec
JA		 927static int pattern_cb(char *pattern, unsigned int max_size,
928 const char *input, unsigned int *pattern_bytes)
90059d65 929{
0e92f873 930 long off;
ce35b1ec
JA		 931 int i = 0, j = 0, len, k, base = 10;
932 uint32_t pattern_length;
3c3ed070 933 char *loc1, *loc2;
0e92f873 934
02975b64
JA		 935 /*
936 * Check if it's a string input
937 */
938 loc1 = strchr(input, '\"');
939 if (loc1) {
940 do {
941 loc1++;
942 if (*loc1 == '\0' || *loc1 == '\"')
943 break;
944
945 pattern[i] = *loc1;
946 i++;
947 } while (i < max_size);
948
949 if (!i)
950 return 1;
951
952 goto fill;
953 }
954
955 /*
956 * No string, find out if it's decimal or hexidecimal
957 */
0e92f873
RR		 958 loc1 = strstr(input, "0x");
959 loc2 = strstr(input, "0X");
960 if (loc1 || loc2)
961 base = 16;
962 off = strtol(input, NULL, base);
963 if (off != LONG_MAX || errno != ERANGE) {
964 while (off) {
ce35b1ec 965 pattern[i] = off & 0xff;
0e92f873
RR		 966 off >>= 8;
967 i++;
968 }
969 } else {
970 len = strlen(input);
971 k = len - 1;
972 if (base == 16) {
973 if (loc1)
974 j = loc1 - input + 2;
975 else
976 j = loc2 - input + 2;
977 } else
978 return 1;
ce35b1ec 979 if (len - j < max_size * 2) {
0e92f873
RR		 980 while (k >= j) {
981 off = converthexchartoint(input[k--]);
982 if (k >= j)
983 off += (converthexchartoint(input[k--])
984 * 16);
ce35b1ec 985 pattern[i++] = (char) off;
0e92f873
RR		 986 }
987 }
988 }
efcd9dcc
SL		 989
990 /*
991 * Fill the pattern all the way to the end. This greatly reduces
992 * the number of memcpy's we have to do when verifying the IO.
993 */
02975b64 994fill:
e078de4a 995 pattern_length = i;
ce35b1ec
JA		 996 while (i > 1 && i * 2 <= max_size) {
997 memcpy(&pattern[i], &pattern[0], i);
efcd9dcc
SL		 998 i *= 2;
999 }
e078de4a
JA		 1000
1001 /*
1002 * Fill remainder, if the pattern multiple ends up not being
ce35b1ec 1003 * max_size.
e078de4a 1004 */
ce35b1ec
JA		 1005 while (i > 1 && i < max_size) {
1006 unsigned int b = min(pattern_length, max_size - i);
e078de4a 1007
ce35b1ec 1008 memcpy(&pattern[i], &pattern[0], b);
e078de4a
JA		 1009 i += b;
1010 }
1011
9a2a86d0
SL		 1012 if (i == 1) {
1013 /*
d2ba0d7c
JA		 1014 * The code in verify_io_u_pattern assumes a single byte
1015 * pattern fills the whole verify pattern buffer.
9a2a86d0 1016 */
ce35b1ec
JA		 1017 memset(pattern, pattern[0], max_size);
1018 }
1019
1020 *pattern_bytes = i;
1021 return 0;
1022}
1023
1024static int str_buffer_pattern_cb(void *data, const char *input)
1025{
1026 struct thread_data *td = data;
1027 int ret;
1028
1029 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
1030 &td->o.buffer_pattern_bytes);
1031
d2ba0d7c 1032 if (!ret && td->o.buffer_pattern_bytes) {
ce35b1ec
JA		 1033 td->o.refill_buffers = 0;
1034 td->o.scramble_buffers = 0;
1035 td->o.zero_buffers = 0;
d2ba0d7c
JA		 1036 } else {
1037 log_err("fio: failed parsing pattern `%s`\n", input);
1038 ret = 1;
9a2a86d0 1039 }
efcd9dcc 1040
ce35b1ec
JA		 1041 return ret;
1042}
1043
bedc9dc2
JA		 1044static int str_buffer_compress_cb(void *data, unsigned long long *il)
1045{
1046 struct thread_data *td = data;
1047
1048 td->flags |= TD_F_COMPRESS;
1049 td->o.compress_percentage = *il;
1050 return 0;
1051}
1052
ce35b1ec
JA		 1053static int str_verify_pattern_cb(void *data, const char *input)
1054{
1055 struct thread_data *td = data;
1056 int ret;
1057
1058 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1059 &td->o.verify_pattern_bytes);
efcd9dcc 1060
92bf48d5
JA		 1061 /*
1062 * VERIFY_META could already be set
1063 */
ce35b1ec 1064 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 1065 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1066
ce35b1ec 1067 return ret;
90059d65 1068}
214e1eca 1069
993bf48b
JA		 1070static int str_gtod_reduce_cb(void *data, int *il)
1071{
1072 struct thread_data *td = data;
1073 int val = *il;
1074
02af0988 1075 td->o.disable_lat = !!val;
993bf48b
JA		 1076 td->o.disable_clat = !!val;
1077 td->o.disable_slat = !!val;
1078 td->o.disable_bw = !!val;
0dc1bc03 1079 td->o.clat_percentiles = !val;
993bf48b
JA		 1080 if (val)
1081 td->tv_cache_mask = 63;
1082
1083 return 0;
1084}
1085
85bc833b 1086static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA		 1087{
1088 struct thread_data *td = data;
1089 int val = *il;
1090
1091 td->o.gtod_cpu = val;
1092 td->o.gtod_offload = 1;
1093 return 0;
1094}
1095
7bb59102
JA		 1096static int str_size_cb(void *data, unsigned long long *__val)
1097{
1098 struct thread_data *td = data;
1099 unsigned long long v = *__val;
1100
1101 if (parse_is_percent(v)) {
1102 td->o.size = 0;
1103 td->o.size_percent = -1ULL - v;
1104 } else
1105 td->o.size = v;
1106
1107 return 0;
1108}
1109
896cac2a
JA		 1110static int rw_verify(struct fio_option *o, void *data)
1111{
1112 struct thread_data *td = data;
1113
1114 if (read_only && td_write(td)) {
1115 log_err("fio: job <%s> has write bit set, but fio is in"
1116 " read-only mode\n", td->o.name);
1117 return 1;
1118 }
1119
1120 return 0;
1121}
1122
276ca4f7 1123static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1124{
276ca4f7 1125#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1126 struct thread_data *td = data;
1127
29d43ff9
JA		 1128 if (td->o.gtod_cpu) {
1129 log_err("fio: platform must support CPU affinity for"
1130 "gettimeofday() offloading\n");
1131 return 1;
1132 }
1133#endif
1134
1135 return 0;
1136}
1137
9af4a244
JA		 1138/*
1139 * Option grouping
1140 */
1141static struct opt_group fio_opt_groups[] = {
1142 {
e8b0e958
JA		 1143 .name = "General",
1144 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 1145 },
1146 {
e8b0e958
JA		 1147 .name = "I/O",
1148 .mask = FIO_OPT_C_IO,
9af4a244
JA		 1149 },
1150 {
e8b0e958
JA		 1151 .name = "File",
1152 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 1153 },
1154 {
e8b0e958
JA		 1155 .name = "Statistics",
1156 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 1157 },
1158 {
e8b0e958
JA		 1159 .name = "Logging",
1160 .mask = FIO_OPT_C_LOG,
9af4a244 1161 },
13fca827
JA		 1162 {
1163 .name = "Profiles",
1164 .mask = FIO_OPT_C_PROFILE,
1165 },
e231bbe6 1166 {
e8b0e958 1167 .name = NULL,
e231bbe6 1168 },
e8b0e958
JA		 1169};
1170
1171static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1172 unsigned int inv_mask)
1173{
1174 struct opt_group *og;
1175 int i;
1176
1177 if (*mask == inv_mask || !*mask)
1178 return NULL;
1179
1180 for (i = 0; ogs[i].name; i++) {
1181 og = &ogs[i];
1182
1183 if (*mask & og->mask) {
1184 *mask &= ~(og->mask);
1185 return og;
1186 }
1187 }
1188
1189 return NULL;
1190}
1191
1192struct opt_group *opt_group_from_mask(unsigned int *mask)
1193{
1194 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1195}
1196
1197static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA		 1198 {
1199 .name = "Latency profiling",
1200 .mask = FIO_OPT_G_LATPROF,
1201 },
9af4a244 1202 {
e8b0e958
JA		 1203 .name = "Rate",
1204 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1205 },
1206 {
e8b0e958
JA		 1207 .name = "Zone",
1208 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1209 },
1210 {
e8b0e958
JA		 1211 .name = "Read/write mix",
1212 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1213 },
1214 {
1215 .name = "Verify",
1216 .mask = FIO_OPT_G_VERIFY,
1217 },
1218 {
e8b0e958
JA		 1219 .name = "Trim",
1220 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1221 },
1222 {
e8b0e958
JA		 1223 .name = "I/O Logging",
1224 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1225 },
1226 {
e8b0e958
JA		 1227 .name = "I/O Depth",
1228 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1229 },
1230 {
e8b0e958
JA		 1231 .name = "I/O Flow",
1232 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1233 },
0626037e
JA		 1234 {
1235 .name = "Description",
1236 .mask = FIO_OPT_G_DESC,
1237 },
1238 {
1239 .name = "Filename",
1240 .mask = FIO_OPT_G_FILENAME,
1241 },
1242 {
1243 .name = "General I/O",
1244 .mask = FIO_OPT_G_IO_BASIC,
1245 },
a1f6afec
JA		 1246 {
1247 .name = "Cgroups",
1248 .mask = FIO_OPT_G_CGROUP,
1249 },
1250 {
1251 .name = "Runtime",
1252 .mask = FIO_OPT_G_RUNTIME,
1253 },
10860056
JA		 1254 {
1255 .name = "Process",
1256 .mask = FIO_OPT_G_PROCESS,
1257 },
1258 {
1259 .name = "Job credentials / priority",
1260 .mask = FIO_OPT_G_CRED,
1261 },
1262 {
1263 .name = "Clock settings",
1264 .mask = FIO_OPT_G_CLOCK,
1265 },
3ceb458f
JA		 1266 {
1267 .name = "I/O Type",
1268 .mask = FIO_OPT_G_IO_TYPE,
1269 },
1270 {
1271 .name = "I/O Thinktime",
1272 .mask = FIO_OPT_G_THINKTIME,
1273 },
1274 {
1275 .name = "Randomizations",
1276 .mask = FIO_OPT_G_RANDOM,
1277 },
1278 {
1279 .name = "I/O buffers",
1280 .mask = FIO_OPT_G_IO_BUF,
1281 },
13fca827
JA		 1282 {
1283 .name = "Tiobench profile",
1284 .mask = FIO_OPT_G_TIOBENCH,
1285 },
1286
9af4a244
JA		 1287 {
1288 .name = NULL,
e8b0e958 1289 }
9af4a244
JA		 1290};
1291
e8b0e958 1292struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1293{
e8b0e958 1294 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1295}
1296
214e1eca
JA		 1297/*
1298 * Map of job/command line options
1299 */
9af4a244 1300struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1301 {
1302 .name = "description",
e8b0e958 1303 .lname = "Description of job",
214e1eca
JA		 1304 .type = FIO_OPT_STR_STORE,
1305 .off1 = td_var_offset(description),
1306 .help = "Text job description",
e8b0e958 1307 .category = FIO_OPT_C_GENERAL,
0626037e 1308 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1309 },
1310 {
1311 .name = "name",
e8b0e958 1312 .lname = "Job name",
214e1eca
JA		 1313 .type = FIO_OPT_STR_STORE,
1314 .off1 = td_var_offset(name),
1315 .help = "Name of this job",
e8b0e958 1316 .category = FIO_OPT_C_GENERAL,
0626037e 1317 .group = FIO_OPT_G_DESC,
214e1eca 1318 },
214e1eca
JA		 1319 {
1320 .name = "filename",
e8b0e958 1321 .lname = "Filename(s)",
214e1eca
JA		 1322 .type = FIO_OPT_STR_STORE,
1323 .off1 = td_var_offset(filename),
1324 .cb = str_filename_cb,
f0d524b0 1325 .prio = -1, /* must come after "directory" */
214e1eca 1326 .help = "File(s) to use for the workload",
e8b0e958 1327 .category = FIO_OPT_C_FILE,
0626037e 1328 .group = FIO_OPT_G_FILENAME,
214e1eca 1329 },
90fef2d1 1330 {
e8b0e958
JA		 1331 .name = "directory",
1332 .lname = "Directory",
1333 .type = FIO_OPT_STR_STORE,
1334 .off1 = td_var_offset(directory),
1335 .cb = str_directory_cb,
1336 .help = "Directory to store files in",
1337 .category = FIO_OPT_C_FILE,
0626037e 1338 .group = FIO_OPT_G_FILENAME,
90fef2d1 1339 },
de98bd30
JA		 1340 {
1341 .name = "filename_format",
1342 .type = FIO_OPT_STR_STORE,
1343 .off1 = td_var_offset(filename_format),
1344 .prio = -1, /* must come after "directory" */
1345 .help = "Override default $jobname.$jobnum.$filenum naming",
1346 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1347 .category = FIO_OPT_C_FILE,
1348 .group = FIO_OPT_G_FILENAME,
ad705bcb 1349 },
29c1349f
JA		 1350 {
1351 .name = "lockfile",
e8b0e958 1352 .lname = "Lockfile",
4d4e80f2 1353 .type = FIO_OPT_STR,
4d4e80f2 1354 .off1 = td_var_offset(file_lock_mode),
29c1349f 1355 .help = "Lock file when doing IO to it",
bc6a0a5d 1356 .prio = 1,
29c1349f 1357 .parent = "filename",
d71c154c 1358 .hide = 0,
4d4e80f2 1359 .def = "none",
f2a2803a 1360 .cb = str_lockfile_cb,
e8b0e958 1361 .category = FIO_OPT_C_FILE,
0626037e 1362 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1363 .posval = {
1364 { .ival = "none",
1365 .oval = FILE_LOCK_NONE,
1366 .help = "No file locking",
1367 },
1368 { .ival = "exclusive",
1369 .oval = FILE_LOCK_EXCLUSIVE,
1370 .help = "Exclusive file lock",
1371 },
1372 {
1373 .ival = "readwrite",
1374 .oval = FILE_LOCK_READWRITE,
1375 .help = "Read vs write lock",
1376 },
1377 },
29c1349f 1378 },
214e1eca
JA		 1379 {
1380 .name = "opendir",
e8b0e958 1381 .lname = "Open directory",
214e1eca
JA		 1382 .type = FIO_OPT_STR_STORE,
1383 .off1 = td_var_offset(opendir),
1384 .cb = str_opendir_cb,
1385 .help = "Recursively add files from this directory and down",
e8b0e958 1386 .category = FIO_OPT_C_FILE,
0626037e 1387 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1388 },
1389 {
1390 .name = "rw",
e8b0e958 1391 .lname = "Read/write",
d3aad8f2 1392 .alias = "readwrite",
214e1eca 1393 .type = FIO_OPT_STR,
211097b2 1394 .cb = str_rw_cb,
214e1eca
JA		 1395 .off1 = td_var_offset(td_ddir),
1396 .help = "IO direction",
1397 .def = "read",
896cac2a 1398 .verify = rw_verify,
e8b0e958 1399 .category = FIO_OPT_C_IO,
0626037e 1400 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1401 .posval = {
1402 { .ival = "read",
1403 .oval = TD_DDIR_READ,
1404 .help = "Sequential read",
1405 },
1406 { .ival = "write",
1407 .oval = TD_DDIR_WRITE,
1408 .help = "Sequential write",
1409 },
6eaf09d6
SL		 1410 { .ival = "trim",
1411 .oval = TD_DDIR_TRIM,
1412 .help = "Sequential trim",
1413 },
214e1eca
JA		 1414 { .ival = "randread",
1415 .oval = TD_DDIR_RANDREAD,
1416 .help = "Random read",
1417 },
1418 { .ival = "randwrite",
1419 .oval = TD_DDIR_RANDWRITE,
1420 .help = "Random write",
1421 },
6eaf09d6
SL		 1422 { .ival = "randtrim",
1423 .oval = TD_DDIR_RANDTRIM,
1424 .help = "Random trim",
1425 },
214e1eca
JA		 1426 { .ival = "rw",
1427 .oval = TD_DDIR_RW,
1428 .help = "Sequential read and write mix",
1429 },
10b023db
JA		 1430 { .ival = "readwrite",
1431 .oval = TD_DDIR_RW,
1432 .help = "Sequential read and write mix",
1433 },
214e1eca
JA		 1434 { .ival = "randrw",
1435 .oval = TD_DDIR_RANDRW,
1436 .help = "Random read and write mix"
1437 },
1438 },
1439 },
38dad62d
JA		 1440 {
1441 .name = "rw_sequencer",
e8b0e958 1442 .lname = "RW Sequencer",
38dad62d
JA		 1443 .type = FIO_OPT_STR,
1444 .off1 = td_var_offset(rw_seq),
1445 .help = "IO offset generator modifier",
1446 .def = "sequential",
e8b0e958 1447 .category = FIO_OPT_C_IO,
0626037e 1448 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1449 .posval = {
1450 { .ival = "sequential",
1451 .oval = RW_SEQ_SEQ,
1452 .help = "Generate sequential offsets",
1453 },
1454 { .ival = "identical",
1455 .oval = RW_SEQ_IDENT,
1456 .help = "Generate identical offsets",
1457 },
1458 },
1459 },
1460
214e1eca
JA		 1461 {
1462 .name = "ioengine",
e8b0e958 1463 .lname = "IO Engine",
214e1eca
JA		 1464 .type = FIO_OPT_STR_STORE,
1465 .off1 = td_var_offset(ioengine),
1466 .help = "IO engine to use",
58483fa4 1467 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1468 .category = FIO_OPT_C_IO,
0626037e 1469 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1470 .posval = {
1471 { .ival = "sync",
1472 .help = "Use read/write",
1473 },
a31041ea 1474 { .ival = "psync",
1475 .help = "Use pread/pwrite",
1476 },
1d2af02a 1477 { .ival = "vsync",
03e20d68 1478 .help = "Use readv/writev",
1d2af02a 1479 },
07fc0acd
JA		 1480#ifdef CONFIG_PWRITEV
1481 { .ival = "pvsync",
1482 .help = "Use preadv/pwritev",
1483 },
1484#endif
67bf9823 1485#ifdef CONFIG_LIBAIO
214e1eca
JA		 1486 { .ival = "libaio",
1487 .help = "Linux native asynchronous IO",
1488 },
1489#endif
67bf9823 1490#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1491 { .ival = "posixaio",
1492 .help = "POSIX asynchronous IO",
1493 },
417f0068 1494#endif
997843cb 1495#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1496 { .ival = "solarisaio",
1497 .help = "Solaris native asynchronous IO",
1498 },
214e1eca 1499#endif
4700b234 1500#ifdef CONFIG_WINDOWSAIO
03e20d68 1501 { .ival = "windowsaio",
3be80071 1502 .help = "Windows native asynchronous IO"
de890a1e 1503 },
fc5c0345
DG		 1504#endif
1505#ifdef CONFIG_RBD
1506 { .ival = "rbd",
1507 .help = "Rados Block Device asynchronous IO"
1508 },
3be80071 1509#endif
214e1eca 1510 { .ival = "mmap",
03e20d68 1511 .help = "Memory mapped IO"
214e1eca 1512 },
67bf9823 1513#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1514 { .ival = "splice",
1515 .help = "splice/vmsplice based IO",
1516 },
9cce02e8
JA		 1517 { .ival = "netsplice",
1518 .help = "splice/vmsplice to/from the network",
1519 },
214e1eca
JA		 1520#endif
1521#ifdef FIO_HAVE_SGIO
1522 { .ival = "sg",
1523 .help = "SCSI generic v3 IO",
1524 },
1525#endif
1526 { .ival = "null",
1527 .help = "Testing engine (no data transfer)",
1528 },
1529 { .ival = "net",
1530 .help = "Network IO",
1531 },
214e1eca 1532 { .ival = "cpuio",
03e20d68 1533 .help = "CPU cycle burner engine",
214e1eca 1534 },
67bf9823 1535#ifdef CONFIG_GUASI
b8c82a46
JA		 1536 { .ival = "guasi",
1537 .help = "GUASI IO engine",
1538 },
79a43187
JA		 1539#endif
1540#ifdef FIO_HAVE_BINJECT
1541 { .ival = "binject",
1542 .help = "binject direct inject block engine",
1543 },
21b8aee8 1544#endif
67bf9823 1545#ifdef CONFIG_RDMA
21b8aee8 1546 { .ival = "rdma",
1547 .help = "RDMA IO engine",
1548 },
8200b8c7 1549#endif
67bf9823 1550#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1551 { .ival = "fusion-aw-sync",
1552 .help = "Fusion-io atomic write engine",
1553 },
1ecc95ca 1554#endif
997843cb 1555#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1556 { .ival = "e4defrag",
1557 .help = "ext4 defrag engine",
1558 },
1559#endif
997843cb 1560#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1561 { .ival = "falloc",
1562 .help = "fallocate() file based engine",
1563 },
b8c82a46 1564#endif
a7c386f4 1565#ifdef CONFIG_GFAPI
1566 { .ival = "gfapi",
cc47f094 1567 .help = "Glusterfs libgfapi(sync) based engine"
1568 },
1569 { .ival = "gfapi_async",
1570 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1571 },
1572#endif
1b10477b 1573#ifdef CONFIG_LIBHDFS
b74e419e 1574 { .ival = "libhdfs",
1b10477b
MM		 1575 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1576 },
1577#endif
214e1eca
JA		 1578 { .ival = "external",
1579 .help = "Load external engine (append name)",
1580 },
1581 },
1582 },
1583 {
1584 .name = "iodepth",
e8b0e958 1585 .lname = "IO Depth",
214e1eca
JA		 1586 .type = FIO_OPT_INT,
1587 .off1 = td_var_offset(iodepth),
03e20d68 1588 .help = "Number of IO buffers to keep in flight",
757aff4f 1589 .minval = 1,
20eb06bd 1590 .interval = 1,
214e1eca 1591 .def = "1",
e8b0e958 1592 .category = FIO_OPT_C_IO,
0626037e 1593 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1594 },
1595 {
1596 .name = "iodepth_batch",
e8b0e958 1597 .lname = "IO Depth batch",
4950421a 1598 .alias = "iodepth_batch_submit",
214e1eca
JA		 1599 .type = FIO_OPT_INT,
1600 .off1 = td_var_offset(iodepth_batch),
d65db441 1601 .help = "Number of IO buffers to submit in one go",
afdf9352 1602 .parent = "iodepth",
d71c154c 1603 .hide = 1,
a2e6f8ac 1604 .minval = 1,
20eb06bd 1605 .interval = 1,
a2e6f8ac 1606 .def = "1",
e8b0e958 1607 .category = FIO_OPT_C_IO,
0626037e 1608 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1609 },
1610 {
1611 .name = "iodepth_batch_complete",
e8b0e958 1612 .lname = "IO Depth batch complete",
4950421a
JA		 1613 .type = FIO_OPT_INT,
1614 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1615 .help = "Number of IO buffers to retrieve in one go",
4950421a 1616 .parent = "iodepth",
d71c154c 1617 .hide = 1,
4950421a 1618 .minval = 0,
20eb06bd 1619 .interval = 1,
4950421a 1620 .def = "1",
e8b0e958 1621 .category = FIO_OPT_C_IO,
0626037e 1622 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1623 },
1624 {
1625 .name = "iodepth_low",
e8b0e958 1626 .lname = "IO Depth batch low",
214e1eca
JA		 1627 .type = FIO_OPT_INT,
1628 .off1 = td_var_offset(iodepth_low),
1629 .help = "Low water mark for queuing depth",
afdf9352 1630 .parent = "iodepth",
d71c154c 1631 .hide = 1,
20eb06bd 1632 .interval = 1,
e8b0e958 1633 .category = FIO_OPT_C_IO,
0626037e 1634 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1635 },
1636 {
1637 .name = "size",
e8b0e958 1638 .lname = "Size",
214e1eca 1639 .type = FIO_OPT_STR_VAL,
7bb59102 1640 .cb = str_size_cb,
214e1eca 1641 .help = "Total size of device or files",
20eb06bd 1642 .interval = 1024 * 1024,
e8b0e958
JA		 1643 .category = FIO_OPT_C_IO,
1644 .group = FIO_OPT_G_INVALID,
214e1eca 1645 },
77731b29
JA		 1646 {
1647 .name = "io_limit",
1648 .lname = "IO Limit",
1649 .type = FIO_OPT_STR_VAL,
1650 .off1 = td_var_offset(io_limit),
1651 .interval = 1024 * 1024,
1652 .category = FIO_OPT_C_IO,
1653 .group = FIO_OPT_G_INVALID,
1654 },
aa31f1f1
SL		 1655 {
1656 .name = "fill_device",
e8b0e958 1657 .lname = "Fill device",
74586c1e 1658 .alias = "fill_fs",
aa31f1f1
SL		 1659 .type = FIO_OPT_BOOL,
1660 .off1 = td_var_offset(fill_device),
1661 .help = "Write until an ENOSPC error occurs",
1662 .def = "0",
e8b0e958
JA		 1663 .category = FIO_OPT_C_FILE,
1664 .group = FIO_OPT_G_INVALID,
aa31f1f1 1665 },
214e1eca
JA		 1666 {
1667 .name = "filesize",
e8b0e958 1668 .lname = "File size",
214e1eca
JA		 1669 .type = FIO_OPT_STR_VAL,
1670 .off1 = td_var_offset(file_size_low),
1671 .off2 = td_var_offset(file_size_high),
c3edbdba 1672 .minval = 1,
214e1eca 1673 .help = "Size of individual files",
20eb06bd 1674 .interval = 1024 * 1024,
e8b0e958
JA		 1675 .category = FIO_OPT_C_FILE,
1676 .group = FIO_OPT_G_INVALID,
214e1eca 1677 },
bedc9dc2
JA		 1678 {
1679 .name = "file_append",
1680 .lname = "File append",
1681 .type = FIO_OPT_BOOL,
1682 .off1 = td_var_offset(file_append),
1683 .help = "IO will start at the end of the file(s)",
1684 .def = "0",
1685 .category = FIO_OPT_C_FILE,
1686 .group = FIO_OPT_G_INVALID,
1687 },
67a1000f
JA		 1688 {
1689 .name = "offset",
e8b0e958 1690 .lname = "IO offset",
67a1000f
JA		 1691 .alias = "fileoffset",
1692 .type = FIO_OPT_STR_VAL,
1693 .off1 = td_var_offset(start_offset),
1694 .help = "Start IO from this offset",
1695 .def = "0",
20eb06bd 1696 .interval = 1024 * 1024,
e8b0e958
JA		 1697 .category = FIO_OPT_C_IO,
1698 .group = FIO_OPT_G_INVALID,
67a1000f 1699 },
2d7cd868
JA		 1700 {
1701 .name = "offset_increment",
e8b0e958 1702 .lname = "IO offset increment",
2d7cd868
JA		 1703 .type = FIO_OPT_STR_VAL,
1704 .off1 = td_var_offset(offset_increment),
1705 .help = "What is the increment from one offset to the next",
1706 .parent = "offset",
d71c154c 1707 .hide = 1,
2d7cd868 1708 .def = "0",
20eb06bd 1709 .interval = 1024 * 1024,
e8b0e958
JA		 1710 .category = FIO_OPT_C_IO,
1711 .group = FIO_OPT_G_INVALID,
2d7cd868 1712 },
ddf24e42
JA		 1713 {
1714 .name = "number_ios",
1715 .lname = "Number of IOs to perform",
1716 .type = FIO_OPT_STR_VAL,
1717 .off1 = td_var_offset(number_ios),
1718 .help = "Force job completion of this number of IOs",
1719 .def = "0",
1720 .category = FIO_OPT_C_IO,
1721 .group = FIO_OPT_G_INVALID,
1722 },
214e1eca
JA		 1723 {
1724 .name = "bs",
e8b0e958 1725 .lname = "Block size",
d3aad8f2 1726 .alias = "blocksize",
e01b22b8 1727 .type = FIO_OPT_INT,
214e1eca
JA		 1728 .off1 = td_var_offset(bs[DDIR_READ]),
1729 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1730 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1731 .minval = 1,
214e1eca
JA		 1732 .help = "Block size unit",
1733 .def = "4k",
67a1000f 1734 .parent = "rw",
d71c154c 1735 .hide = 1,
20eb06bd 1736 .interval = 512,
e8b0e958
JA		 1737 .category = FIO_OPT_C_IO,
1738 .group = FIO_OPT_G_INVALID,
214e1eca 1739 },
2b7a01d0
JA		 1740 {
1741 .name = "ba",
e8b0e958 1742 .lname = "Block size align",
2b7a01d0 1743 .alias = "blockalign",
e01b22b8 1744 .type = FIO_OPT_INT,
2b7a01d0
JA		 1745 .off1 = td_var_offset(ba[DDIR_READ]),
1746 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1747 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1748 .minval = 1,
1749 .help = "IO block offset alignment",
1750 .parent = "rw",
d71c154c 1751 .hide = 1,
20eb06bd 1752 .interval = 512,
e8b0e958
JA		 1753 .category = FIO_OPT_C_IO,
1754 .group = FIO_OPT_G_INVALID,
2b7a01d0 1755 },
214e1eca
JA		 1756 {
1757 .name = "bsrange",
e8b0e958 1758 .lname = "Block size range",
d3aad8f2 1759 .alias = "blocksize_range",
214e1eca
JA		 1760 .type = FIO_OPT_RANGE,
1761 .off1 = td_var_offset(min_bs[DDIR_READ]),
1762 .off2 = td_var_offset(max_bs[DDIR_READ]),
1763 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1764 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1765 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1766 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1767 .minval = 1,
214e1eca 1768 .help = "Set block size range (in more detail than bs)",
67a1000f 1769 .parent = "rw",
d71c154c 1770 .hide = 1,
20eb06bd 1771 .interval = 4096,
e8b0e958
JA		 1772 .category = FIO_OPT_C_IO,
1773 .group = FIO_OPT_G_INVALID,
214e1eca 1774 },
564ca972
JA		 1775 {
1776 .name = "bssplit",
e8b0e958 1777 .lname = "Block size split",
564ca972
JA		 1778 .type = FIO_OPT_STR,
1779 .cb = str_bssplit_cb,
1780 .help = "Set a specific mix of block sizes",
1781 .parent = "rw",
d71c154c 1782 .hide = 1,
e8b0e958
JA		 1783 .category = FIO_OPT_C_IO,
1784 .group = FIO_OPT_G_INVALID,
564ca972 1785 },
214e1eca
JA		 1786 {
1787 .name = "bs_unaligned",
e8b0e958 1788 .lname = "Block size unaligned",
d3aad8f2 1789 .alias = "blocksize_unaligned",
214e1eca
JA		 1790 .type = FIO_OPT_STR_SET,
1791 .off1 = td_var_offset(bs_unaligned),
1792 .help = "Don't sector align IO buffer sizes",
67a1000f 1793 .parent = "rw",
d71c154c 1794 .hide = 1,
e8b0e958
JA		 1795 .category = FIO_OPT_C_IO,
1796 .group = FIO_OPT_G_INVALID,
214e1eca 1797 },
6aca9b3d
JA		 1798 {
1799 .name = "bs_is_seq_rand",
1800 .lname = "Block size division is seq/random (not read/write)",
1801 .type = FIO_OPT_BOOL,
1802 .off1 = td_var_offset(bs_is_seq_rand),
1803 .help = "Consider any blocksize setting to be sequential,ramdom",
1804 .def = "0",
1805 .parent = "blocksize",
1806 .category = FIO_OPT_C_IO,
1807 .group = FIO_OPT_G_INVALID,
1808 },
214e1eca
JA		 1809 {
1810 .name = "randrepeat",
e8b0e958 1811 .lname = "Random repeatable",
214e1eca
JA		 1812 .type = FIO_OPT_BOOL,
1813 .off1 = td_var_offset(rand_repeatable),
1814 .help = "Use repeatable random IO pattern",
1815 .def = "1",
67a1000f 1816 .parent = "rw",
d71c154c 1817 .hide = 1,
e8b0e958 1818 .category = FIO_OPT_C_IO,
3ceb458f 1819 .group = FIO_OPT_G_RANDOM,
214e1eca 1820 },
04778baf
JA		 1821 {
1822 .name = "randseed",
1823 .lname = "The random generator seed",
363cffa7 1824 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1825 .off1 = td_var_offset(rand_seed),
1826 .help = "Set the random generator seed value",
1827 .parent = "rw",
1828 .category = FIO_OPT_C_IO,
1829 .group = FIO_OPT_G_RANDOM,
1830 },
2615cc4b
JA		 1831 {
1832 .name = "use_os_rand",
e8b0e958 1833 .lname = "Use OS random",
2615cc4b
JA		 1834 .type = FIO_OPT_BOOL,
1835 .off1 = td_var_offset(use_os_rand),
1836 .help = "Set to use OS random generator",
1837 .def = "0",
1838 .parent = "rw",
d71c154c 1839 .hide = 1,
e8b0e958 1840 .category = FIO_OPT_C_IO,
3ceb458f 1841 .group = FIO_OPT_G_RANDOM,
2615cc4b 1842 },
214e1eca
JA		 1843 {
1844 .name = "norandommap",
e8b0e958 1845 .lname = "No randommap",
214e1eca
JA		 1846 .type = FIO_OPT_STR_SET,
1847 .off1 = td_var_offset(norandommap),
1848 .help = "Accept potential duplicate random blocks",
67a1000f 1849 .parent = "rw",
d71c154c 1850 .hide = 1,
b2452a43 1851 .hide_on_set = 1,
e8b0e958 1852 .category = FIO_OPT_C_IO,
3ceb458f 1853 .group = FIO_OPT_G_RANDOM,
214e1eca 1854 },
2b386d25
JA		 1855 {
1856 .name = "softrandommap",
e8b0e958 1857 .lname = "Soft randommap",
2b386d25
JA		 1858 .type = FIO_OPT_BOOL,
1859 .off1 = td_var_offset(softrandommap),
f66ab3c8 1860 .help = "Set norandommap if randommap allocation fails",
2b386d25 1861 .parent = "norandommap",
d71c154c 1862 .hide = 1,
2b386d25 1863 .def = "0",
e8b0e958 1864 .category = FIO_OPT_C_IO,
3ceb458f 1865 .group = FIO_OPT_G_RANDOM,
2b386d25 1866 },
8055e41d
JA		 1867 {
1868 .name = "random_generator",
1869 .type = FIO_OPT_STR,
1870 .off1 = td_var_offset(random_generator),
1871 .help = "Type of random number generator to use",
1872 .def = "tausworthe",
1873 .posval = {
1874 { .ival = "tausworthe",
1875 .oval = FIO_RAND_GEN_TAUSWORTHE,
1876 .help = "Strong Tausworthe generator",
1877 },
1878 { .ival = "lfsr",
1879 .oval = FIO_RAND_GEN_LFSR,
1880 .help = "Variable length LFSR",
1881 },
1882 },
48107598
JA		 1883 .category = FIO_OPT_C_IO,
1884 .group = FIO_OPT_G_RANDOM,
8055e41d 1885 },
e25839d4
JA		 1886 {
1887 .name = "random_distribution",
1888 .type = FIO_OPT_STR,
1889 .off1 = td_var_offset(random_distribution),
1890 .cb = str_random_distribution_cb,
1891 .help = "Random offset distribution generator",
1892 .def = "random",
1893 .posval = {
1894 { .ival = "random",
1895 .oval = FIO_RAND_DIST_RANDOM,
1896 .help = "Completely random",
1897 },
1898 { .ival = "zipf",
1899 .oval = FIO_RAND_DIST_ZIPF,
1900 .help = "Zipf distribution",
1901 },
925fee33
JA		 1902 { .ival = "pareto",
1903 .oval = FIO_RAND_DIST_PARETO,
1904 .help = "Pareto distribution",
1905 },
e25839d4 1906 },
48107598
JA		 1907 .category = FIO_OPT_C_IO,
1908 .group = FIO_OPT_G_RANDOM,
e25839d4 1909 },
211c9b89
JA		 1910 {
1911 .name = "percentage_random",
1912 .lname = "Percentage Random",
1913 .type = FIO_OPT_INT,
d9472271
JA		 1914 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1915 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1916 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1917 .maxval = 100,
1918 .help = "Percentage of seq/random mix that should be random",
d9472271 1919 .def = "100,100,100",
211c9b89
JA		 1920 .interval = 5,
1921 .inverse = "percentage_sequential",
1922 .category = FIO_OPT_C_IO,
1923 .group = FIO_OPT_G_RANDOM,
1924 },
1925 {
1926 .name = "percentage_sequential",
1927 .lname = "Percentage Sequential",
d9472271 1928 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1929 .category = FIO_OPT_C_IO,
1930 .group = FIO_OPT_G_RANDOM,
1931 },
56e2a5fc
CE		 1932 {
1933 .name = "allrandrepeat",
1934 .type = FIO_OPT_BOOL,
1935 .off1 = td_var_offset(allrand_repeatable),
1936 .help = "Use repeatable random numbers for everything",
1937 .def = "0",
a869d9c6
JA		 1938 .category = FIO_OPT_C_IO,
1939 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1940 },
214e1eca
JA		 1941 {
1942 .name = "nrfiles",
e8b0e958 1943 .lname = "Number of files",
d7c8be03 1944 .alias = "nr_files",
214e1eca
JA		 1945 .type = FIO_OPT_INT,
1946 .off1 = td_var_offset(nr_files),
1947 .help = "Split job workload between this number of files",
1948 .def = "1",
20eb06bd 1949 .interval = 1,
e8b0e958
JA		 1950 .category = FIO_OPT_C_FILE,
1951 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1952 },
1953 {
1954 .name = "openfiles",
e8b0e958 1955 .lname = "Number of open files",
214e1eca
JA		 1956 .type = FIO_OPT_INT,
1957 .off1 = td_var_offset(open_files),
1958 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1959 .category = FIO_OPT_C_FILE,
1960 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1961 },
1962 {
1963 .name = "file_service_type",
e8b0e958 1964 .lname = "File service type",
214e1eca
JA		 1965 .type = FIO_OPT_STR,
1966 .cb = str_fst_cb,
1967 .off1 = td_var_offset(file_service_type),
1968 .help = "How to select which file to service next",
1969 .def = "roundrobin",
e8b0e958
JA		 1970 .category = FIO_OPT_C_FILE,
1971 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1972 .posval = {
1973 { .ival = "random",
1974 .oval = FIO_FSERVICE_RANDOM,
1975 .help = "Choose a file at random",
1976 },
1977 { .ival = "roundrobin",
1978 .oval = FIO_FSERVICE_RR,
1979 .help = "Round robin select files",
1980 },
a086c257
JA		 1981 { .ival = "sequential",
1982 .oval = FIO_FSERVICE_SEQ,
1983 .help = "Finish one file before moving to the next",
1984 },
214e1eca 1985 },
67a1000f 1986 .parent = "nrfiles",
d71c154c 1987 .hide = 1,
67a1000f 1988 },
97ac992c 1989#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 1990 {
1991 .name = "fallocate",
e8b0e958 1992 .lname = "Fallocate",
a596f047
EG		 1993 .type = FIO_OPT_STR,
1994 .off1 = td_var_offset(fallocate_mode),
1995 .help = "Whether pre-allocation is performed when laying out files",
1996 .def = "posix",
e8b0e958
JA		 1997 .category = FIO_OPT_C_FILE,
1998 .group = FIO_OPT_G_INVALID,
a596f047
EG		 1999 .posval = {
2000 { .ival = "none",
2001 .oval = FIO_FALLOCATE_NONE,
2002 .help = "Do not pre-allocate space",
2003 },
2004 { .ival = "posix",
2005 .oval = FIO_FALLOCATE_POSIX,
2006 .help = "Use posix_fallocate()",
2007 },
97ac992c 2008#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2009 { .ival = "keep",
2010 .oval = FIO_FALLOCATE_KEEP_SIZE,
2011 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2012 },
7bc8c2cf 2013#endif
a596f047
EG		 2014 /* Compatibility with former boolean values */
2015 { .ival = "0",
2016 .oval = FIO_FALLOCATE_NONE,
2017 .help = "Alias for 'none'",
2018 },
2019 { .ival = "1",
2020 .oval = FIO_FALLOCATE_POSIX,
2021 .help = "Alias for 'posix'",
2022 },
2023 },
2024 },
97ac992c 2025#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2026 {
2027 .name = "fadvise_hint",
e8b0e958 2028 .lname = "Fadvise hint",
67a1000f
JA		 2029 .type = FIO_OPT_BOOL,
2030 .off1 = td_var_offset(fadvise_hint),
2031 .help = "Use fadvise() to advise the kernel on IO pattern",
2032 .def = "1",
e8b0e958
JA		 2033 .category = FIO_OPT_C_FILE,
2034 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2035 },
2036 {
2037 .name = "fsync",
e8b0e958 2038 .lname = "Fsync",
214e1eca
JA		 2039 .type = FIO_OPT_INT,
2040 .off1 = td_var_offset(fsync_blocks),
2041 .help = "Issue fsync for writes every given number of blocks",
2042 .def = "0",
20eb06bd 2043 .interval = 1,
e8b0e958
JA		 2044 .category = FIO_OPT_C_FILE,
2045 .group = FIO_OPT_G_INVALID,
214e1eca 2046 },
5f9099ea
JA		 2047 {
2048 .name = "fdatasync",
e8b0e958 2049 .lname = "Fdatasync",
5f9099ea
JA		 2050 .type = FIO_OPT_INT,
2051 .off1 = td_var_offset(fdatasync_blocks),
2052 .help = "Issue fdatasync 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,
5f9099ea 2057 },
1ef2b6be
JA		 2058 {
2059 .name = "write_barrier",
e8b0e958 2060 .lname = "Write barrier",
1ef2b6be
JA		 2061 .type = FIO_OPT_INT,
2062 .off1 = td_var_offset(barrier_blocks),
2063 .help = "Make every Nth write a barrier write",
2064 .def = "0",
20eb06bd 2065 .interval = 1,
e8b0e958
JA		 2066 .category = FIO_OPT_C_IO,
2067 .group = FIO_OPT_G_INVALID,
1ef2b6be 2068 },
67bf9823 2069#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2070 {
2071 .name = "sync_file_range",
e8b0e958 2072 .lname = "Sync file range",
44f29692
JA		 2073 .posval = {
2074 { .ival = "wait_before",
2075 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2076 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2077 .orval = 1,
44f29692
JA		 2078 },
2079 { .ival = "write",
2080 .oval = SYNC_FILE_RANGE_WRITE,
2081 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2082 .orval = 1,
44f29692
JA		 2083 },
2084 {
2085 .ival = "wait_after",
2086 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2087 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2088 .orval = 1,
44f29692
JA		 2089 },
2090 },
3843deb3 2091 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2092 .cb = str_sfr_cb,
2093 .off1 = td_var_offset(sync_file_range),
2094 .help = "Use sync_file_range()",
e8b0e958
JA		 2095 .category = FIO_OPT_C_FILE,
2096 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2097 },
2098#endif
214e1eca
JA		 2099 {
2100 .name = "direct",
e8b0e958 2101 .lname = "Direct I/O",
214e1eca
JA		 2102 .type = FIO_OPT_BOOL,
2103 .off1 = td_var_offset(odirect),
2104 .help = "Use O_DIRECT IO (negates buffered)",
2105 .def = "0",
a01a1bc5 2106 .inverse = "buffered",
e8b0e958 2107 .category = FIO_OPT_C_IO,
3ceb458f 2108 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2109 },
d01612f3
CM		 2110 {
2111 .name = "atomic",
2112 .lname = "Atomic I/O",
2113 .type = FIO_OPT_BOOL,
2114 .off1 = td_var_offset(oatomic),
2115 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2116 .def = "0",
2117 .category = FIO_OPT_C_IO,
2118 .group = FIO_OPT_G_IO_TYPE,
2119 },
214e1eca
JA		 2120 {
2121 .name = "buffered",
e8b0e958 2122 .lname = "Buffered I/O",
214e1eca
JA		 2123 .type = FIO_OPT_BOOL,
2124 .off1 = td_var_offset(odirect),
2125 .neg = 1,
2126 .help = "Use buffered IO (negates direct)",
2127 .def = "1",
a01a1bc5 2128 .inverse = "direct",
e8b0e958 2129 .category = FIO_OPT_C_IO,
3ceb458f 2130 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2131 },
2132 {
2133 .name = "overwrite",
e8b0e958 2134 .lname = "Overwrite",
214e1eca
JA		 2135 .type = FIO_OPT_BOOL,
2136 .off1 = td_var_offset(overwrite),
2137 .help = "When writing, set whether to overwrite current data",
2138 .def = "0",
e8b0e958
JA		 2139 .category = FIO_OPT_C_FILE,
2140 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2141 },
2142 {
2143 .name = "loops",
e8b0e958 2144 .lname = "Loops",
214e1eca
JA		 2145 .type = FIO_OPT_INT,
2146 .off1 = td_var_offset(loops),
2147 .help = "Number of times to run the job",
2148 .def = "1",
20eb06bd 2149 .interval = 1,
e8b0e958 2150 .category = FIO_OPT_C_GENERAL,
a1f6afec 2151 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2152 },
2153 {
2154 .name = "numjobs",
e8b0e958 2155 .lname = "Number of jobs",
214e1eca
JA		 2156 .type = FIO_OPT_INT,
2157 .off1 = td_var_offset(numjobs),
2158 .help = "Duplicate this job this many times",
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 = "startdelay",
e8b0e958 2166 .lname = "Start delay",
a5737c93 2167 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2168 .off1 = td_var_offset(start_delay),
23ed19b0 2169 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2170 .help = "Only start job when this period has passed",
2171 .def = "0",
0de5b26f 2172 .is_seconds = 1,
e8b0e958 2173 .category = FIO_OPT_C_GENERAL,
a1f6afec 2174 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2175 },
2176 {
2177 .name = "runtime",
e8b0e958 2178 .lname = "Runtime",
214e1eca
JA		 2179 .alias = "timeout",
2180 .type = FIO_OPT_STR_VAL_TIME,
2181 .off1 = td_var_offset(timeout),
2182 .help = "Stop workload when this amount of time has passed",
2183 .def = "0",
0de5b26f 2184 .is_seconds = 1,
e8b0e958 2185 .category = FIO_OPT_C_GENERAL,
a1f6afec 2186 .group = FIO_OPT_G_RUNTIME,
214e1eca 2187 },
cf4464ca
JA		 2188 {
2189 .name = "time_based",
e8b0e958 2190 .lname = "Time based",
cf4464ca
JA		 2191 .type = FIO_OPT_STR_SET,
2192 .off1 = td_var_offset(time_based),
2193 .help = "Keep running until runtime/timeout is met",
e8b0e958 2194 .category = FIO_OPT_C_GENERAL,
a1f6afec 2195 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2196 },
62167762
JC		 2197 {
2198 .name = "verify_only",
2199 .lname = "Verify only",
2200 .type = FIO_OPT_STR_SET,
2201 .off1 = td_var_offset(verify_only),
2202 .help = "Verifies previously written data is still valid",
2203 .category = FIO_OPT_C_GENERAL,
2204 .group = FIO_OPT_G_RUNTIME,
2205 },
721938ae
JA		 2206 {
2207 .name = "ramp_time",
e8b0e958 2208 .lname = "Ramp time",
721938ae
JA		 2209 .type = FIO_OPT_STR_VAL_TIME,
2210 .off1 = td_var_offset(ramp_time),
2211 .help = "Ramp up time before measuring performance",
0de5b26f 2212 .is_seconds = 1,
e8b0e958 2213 .category = FIO_OPT_C_GENERAL,
a1f6afec 2214 .group = FIO_OPT_G_RUNTIME,
721938ae 2215 },
c223da83
JA		 2216 {
2217 .name = "clocksource",
e8b0e958 2218 .lname = "Clock source",
c223da83
JA		 2219 .type = FIO_OPT_STR,
2220 .cb = fio_clock_source_cb,
2221 .off1 = td_var_offset(clocksource),
2222 .help = "What type of timing source to use",
e8b0e958 2223 .category = FIO_OPT_C_GENERAL,
10860056 2224 .group = FIO_OPT_G_CLOCK,
c223da83 2225 .posval = {
67bf9823 2226#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2227 { .ival = "gettimeofday",
2228 .oval = CS_GTOD,
2229 .help = "Use gettimeofday(2) for timing",
2230 },
67bf9823
JA		 2231#endif
2232#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2233 { .ival = "clock_gettime",
2234 .oval = CS_CGETTIME,
2235 .help = "Use clock_gettime(2) for timing",
2236 },
67bf9823 2237#endif
c223da83
JA		 2238#ifdef ARCH_HAVE_CPU_CLOCK
2239 { .ival = "cpu",
2240 .oval = CS_CPUCLOCK,
2241 .help = "Use CPU private clock",
2242 },
2243#endif
2244 },
2245 },
214e1eca
JA		 2246 {
2247 .name = "mem",
d3aad8f2 2248 .alias = "iomem",
e8b0e958 2249 .lname = "I/O Memory",
214e1eca
JA		 2250 .type = FIO_OPT_STR,
2251 .cb = str_mem_cb,
2252 .off1 = td_var_offset(mem_type),
2253 .help = "Backing type for IO buffers",
2254 .def = "malloc",
e8b0e958
JA		 2255 .category = FIO_OPT_C_IO,
2256 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2257 .posval = {
2258 { .ival = "malloc",
2259 .oval = MEM_MALLOC,
2260 .help = "Use malloc(3) for IO buffers",
2261 },
c8931876 2262#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2263 { .ival = "shm",
2264 .oval = MEM_SHM,
2265 .help = "Use shared memory segments for IO buffers",
2266 },
214e1eca
JA		 2267#ifdef FIO_HAVE_HUGETLB
2268 { .ival = "shmhuge",
2269 .oval = MEM_SHMHUGE,
2270 .help = "Like shm, but use huge pages",
2271 },
c8931876 2272#endif
b370e46a 2273#endif
37c8cdfe
JA		 2274 { .ival = "mmap",
2275 .oval = MEM_MMAP,
2276 .help = "Use mmap(2) (file or anon) for IO buffers",
2277 },
214e1eca
JA		 2278#ifdef FIO_HAVE_HUGETLB
2279 { .ival = "mmaphuge",
2280 .oval = MEM_MMAPHUGE,
2281 .help = "Like mmap, but use huge pages",
2282 },
2283#endif
2284 },
2285 },
d529ee19
JA		 2286 {
2287 .name = "iomem_align",
2288 .alias = "mem_align",
e8b0e958 2289 .lname = "I/O memory alignment",
d529ee19
JA		 2290 .type = FIO_OPT_INT,
2291 .off1 = td_var_offset(mem_align),
2292 .minval = 0,
2293 .help = "IO memory buffer offset alignment",
2294 .def = "0",
2295 .parent = "iomem",
d71c154c 2296 .hide = 1,
e8b0e958
JA		 2297 .category = FIO_OPT_C_IO,
2298 .group = FIO_OPT_G_INVALID,
d529ee19 2299 },
214e1eca
JA		 2300 {
2301 .name = "verify",
e8b0e958 2302 .lname = "Verify",
214e1eca
JA		 2303 .type = FIO_OPT_STR,
2304 .off1 = td_var_offset(verify),
2305 .help = "Verify data written",
2306 .def = "0",
e8b0e958 2307 .category = FIO_OPT_C_IO,
3ceb458f 2308 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2309 .posval = {
2310 { .ival = "0",
2311 .oval = VERIFY_NONE,
2312 .help = "Don't do IO verification",
2313 },
fcca4b58
JA		 2314 { .ival = "md5",
2315 .oval = VERIFY_MD5,
2316 .help = "Use md5 checksums for verification",
2317 },
d77a7af3
JA		 2318 { .ival = "crc64",
2319 .oval = VERIFY_CRC64,
2320 .help = "Use crc64 checksums for verification",
2321 },
214e1eca
JA		 2322 { .ival = "crc32",
2323 .oval = VERIFY_CRC32,
2324 .help = "Use crc32 checksums for verification",
2325 },
af497e6a 2326 { .ival = "crc32c-intel",
e3aaafc4
JA		 2327 .oval = VERIFY_CRC32C,
2328 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2329 },
bac39e0e
JA		 2330 { .ival = "crc32c",
2331 .oval = VERIFY_CRC32C,
e3aaafc4 2332 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2333 },
969f7ed3
JA		 2334 { .ival = "crc16",
2335 .oval = VERIFY_CRC16,
2336 .help = "Use crc16 checksums for verification",
2337 },
1e154bdb
JA		 2338 { .ival = "crc7",
2339 .oval = VERIFY_CRC7,
2340 .help = "Use crc7 checksums for verification",
2341 },
7c353ceb
JA		 2342 { .ival = "sha1",
2343 .oval = VERIFY_SHA1,
2344 .help = "Use sha1 checksums for verification",
2345 },
cd14cc10
JA		 2346 { .ival = "sha256",
2347 .oval = VERIFY_SHA256,
2348 .help = "Use sha256 checksums for verification",
2349 },
2350 { .ival = "sha512",
2351 .oval = VERIFY_SHA512,
2352 .help = "Use sha512 checksums for verification",
2353 },
844ea602
JA		 2354 { .ival = "xxhash",
2355 .oval = VERIFY_XXHASH,
2356 .help = "Use xxhash checksums for verification",
2357 },
7437ee87
SL		 2358 { .ival = "meta",
2359 .oval = VERIFY_META,
2360 .help = "Use io information",
2361 },
36690c9b
JA		 2362 {
2363 .ival = "null",
2364 .oval = VERIFY_NULL,
2365 .help = "Pretend to verify",
2366 },
214e1eca
JA		 2367 },
2368 },
005c565a
JA		 2369 {
2370 .name = "do_verify",
e8b0e958 2371 .lname = "Perform verify step",
68e1f29a 2372 .type = FIO_OPT_BOOL,
005c565a
JA		 2373 .off1 = td_var_offset(do_verify),
2374 .help = "Run verification stage after write",
2375 .def = "1",
2376 .parent = "verify",
d71c154c 2377 .hide = 1,
e8b0e958
JA		 2378 .category = FIO_OPT_C_IO,
2379 .group = FIO_OPT_G_VERIFY,
005c565a 2380 },
160b966d
JA		 2381 {
2382 .name = "verifysort",
e8b0e958 2383 .lname = "Verify sort",
160b966d
JA		 2384 .type = FIO_OPT_BOOL,
2385 .off1 = td_var_offset(verifysort),
2386 .help = "Sort written verify blocks for read back",
2387 .def = "1",
c83f2df1 2388 .parent = "verify",
d71c154c 2389 .hide = 1,
e8b0e958
JA		 2390 .category = FIO_OPT_C_IO,
2391 .group = FIO_OPT_G_VERIFY,
160b966d 2392 },
1ae83d45
JA		 2393 {
2394 .name = "verifysort_nr",
2395 .type = FIO_OPT_INT,
2396 .off1 = td_var_offset(verifysort_nr),
2397 .help = "Pre-load and sort verify blocks for a read workload",
2398 .minval = 0,
2399 .maxval = 131072,
2400 .def = "1024",
2401 .parent = "verify",
836fcc0f
JA		 2402 .category = FIO_OPT_C_IO,
2403 .group = FIO_OPT_G_VERIFY,
1ae83d45 2404 },
3f9f4e26 2405 {
a59e170d 2406 .name = "verify_interval",
e8b0e958 2407 .lname = "Verify interval",
e01b22b8 2408 .type = FIO_OPT_INT,
a59e170d 2409 .off1 = td_var_offset(verify_interval),
819a9680 2410 .minval = 2 * sizeof(struct verify_header),
a59e170d 2411 .help = "Store verify buffer header every N bytes",
afdf9352 2412 .parent = "verify",
d71c154c 2413 .hide = 1,
20eb06bd 2414 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2415 .category = FIO_OPT_C_IO,
2416 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2417 },
546a9142 2418 {
a59e170d 2419 .name = "verify_offset",
e8b0e958 2420 .lname = "Verify offset",
e01b22b8 2421 .type = FIO_OPT_INT,
a59e170d 2422 .help = "Offset verify header location by N bytes",
203160d5
JA		 2423 .off1 = td_var_offset(verify_offset),
2424 .minval = sizeof(struct verify_header),
afdf9352 2425 .parent = "verify",
d71c154c 2426 .hide = 1,
e8b0e958
JA		 2427 .category = FIO_OPT_C_IO,
2428 .group = FIO_OPT_G_VERIFY,
546a9142 2429 },
e28218f3
SL		 2430 {
2431 .name = "verify_pattern",
e8b0e958 2432 .lname = "Verify pattern",
0e92f873 2433 .type = FIO_OPT_STR,
e28218f3
SL		 2434 .cb = str_verify_pattern_cb,
2435 .help = "Fill pattern for IO buffers",
2436 .parent = "verify",
d71c154c 2437 .hide = 1,
e8b0e958
JA		 2438 .category = FIO_OPT_C_IO,
2439 .group = FIO_OPT_G_VERIFY,
e28218f3 2440 },
a12a3b4d
JA		 2441 {
2442 .name = "verify_fatal",
e8b0e958 2443 .lname = "Verify fatal",
68e1f29a 2444 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2445 .off1 = td_var_offset(verify_fatal),
2446 .def = "0",
2447 .help = "Exit on a single verify failure, don't continue",
2448 .parent = "verify",
d71c154c 2449 .hide = 1,
e8b0e958
JA		 2450 .category = FIO_OPT_C_IO,
2451 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2452 },
b463e936
JA		 2453 {
2454 .name = "verify_dump",
e8b0e958 2455 .lname = "Verify dump",
b463e936
JA		 2456 .type = FIO_OPT_BOOL,
2457 .off1 = td_var_offset(verify_dump),
ef71e317 2458 .def = "0",
b463e936
JA		 2459 .help = "Dump contents of good and bad blocks on failure",
2460 .parent = "verify",
d71c154c 2461 .hide = 1,
e8b0e958
JA		 2462 .category = FIO_OPT_C_IO,
2463 .group = FIO_OPT_G_VERIFY,
b463e936 2464 },
e8462bd8
JA		 2465 {
2466 .name = "verify_async",
e8b0e958 2467 .lname = "Verify asynchronously",
e8462bd8
JA		 2468 .type = FIO_OPT_INT,
2469 .off1 = td_var_offset(verify_async),
2470 .def = "0",
2471 .help = "Number of async verifier threads to use",
2472 .parent = "verify",
d71c154c 2473 .hide = 1,
e8b0e958
JA		 2474 .category = FIO_OPT_C_IO,
2475 .group = FIO_OPT_G_VERIFY,
e8462bd8 2476 },
9e144189
JA		 2477 {
2478 .name = "verify_backlog",
e8b0e958 2479 .lname = "Verify backlog",
9e144189
JA		 2480 .type = FIO_OPT_STR_VAL,
2481 .off1 = td_var_offset(verify_backlog),
2482 .help = "Verify after this number of blocks are written",
2483 .parent = "verify",
d71c154c 2484 .hide = 1,
e8b0e958
JA		 2485 .category = FIO_OPT_C_IO,
2486 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2487 },
2488 {
2489 .name = "verify_backlog_batch",
e8b0e958 2490 .lname = "Verify backlog batch",
9e144189
JA		 2491 .type = FIO_OPT_INT,
2492 .off1 = td_var_offset(verify_batch),
2493 .help = "Verify this number of IO blocks",
0d29de83 2494 .parent = "verify",
d71c154c 2495 .hide = 1,
e8b0e958
JA		 2496 .category = FIO_OPT_C_IO,
2497 .group = FIO_OPT_G_VERIFY,
9e144189 2498 },
e8462bd8
JA		 2499#ifdef FIO_HAVE_CPU_AFFINITY
2500 {
2501 .name = "verify_async_cpus",
e8b0e958 2502 .lname = "Async verify CPUs",
e8462bd8
JA		 2503 .type = FIO_OPT_STR,
2504 .cb = str_verify_cpus_allowed_cb,
2505 .help = "Set CPUs allowed for async verify threads",
2506 .parent = "verify_async",
d71c154c 2507 .hide = 1,
e8b0e958
JA		 2508 .category = FIO_OPT_C_IO,
2509 .group = FIO_OPT_G_VERIFY,
e8462bd8 2510 },
0d29de83 2511#endif
51aa2da8
JA		 2512 {
2513 .name = "experimental_verify",
2514 .off1 = td_var_offset(experimental_verify),
2515 .type = FIO_OPT_BOOL,
b31eaac9 2516 .help = "Enable experimental verification",
836fcc0f
JA		 2517 .category = FIO_OPT_C_IO,
2518 .group = FIO_OPT_G_VERIFY,
51aa2da8 2519 },
0d29de83
JA		 2520#ifdef FIO_HAVE_TRIM
2521 {
2522 .name = "trim_percentage",
e8b0e958 2523 .lname = "Trim percentage",
0d29de83 2524 .type = FIO_OPT_INT,
203160d5 2525 .off1 = td_var_offset(trim_percentage),
20eb06bd 2526 .minval = 0,
0d29de83
JA		 2527 .maxval = 100,
2528 .help = "Number of verify blocks to discard/trim",
2529 .parent = "verify",
2530 .def = "0",
20eb06bd 2531 .interval = 1,
d71c154c 2532 .hide = 1,
e8b0e958
JA		 2533 .category = FIO_OPT_C_IO,
2534 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2535 },
2536 {
2537 .name = "trim_verify_zero",
e8b0e958 2538 .lname = "Verify trim zero",
20eb06bd 2539 .type = FIO_OPT_BOOL,
0d29de83
JA		 2540 .help = "Verify that trim/discarded blocks are returned as zeroes",
2541 .off1 = td_var_offset(trim_zero),
2542 .parent = "trim_percentage",
d71c154c 2543 .hide = 1,
0d29de83 2544 .def = "1",
e8b0e958
JA		 2545 .category = FIO_OPT_C_IO,
2546 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2547 },
2548 {
2549 .name = "trim_backlog",
e8b0e958 2550 .lname = "Trim backlog",
0d29de83
JA		 2551 .type = FIO_OPT_STR_VAL,
2552 .off1 = td_var_offset(trim_backlog),
2553 .help = "Trim after this number of blocks are written",
2554 .parent = "trim_percentage",
d71c154c 2555 .hide = 1,
20eb06bd 2556 .interval = 1,
e8b0e958
JA		 2557 .category = FIO_OPT_C_IO,
2558 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2559 },
2560 {
2561 .name = "trim_backlog_batch",
e8b0e958 2562 .lname = "Trim backlog batch",
0d29de83
JA		 2563 .type = FIO_OPT_INT,
2564 .off1 = td_var_offset(trim_batch),
2565 .help = "Trim this number of IO blocks",
2566 .parent = "trim_percentage",
d71c154c 2567 .hide = 1,
20eb06bd 2568 .interval = 1,
e8b0e958
JA		 2569 .category = FIO_OPT_C_IO,
2570 .group = FIO_OPT_G_TRIM,
0d29de83 2571 },
e8462bd8 2572#endif
214e1eca
JA		 2573 {
2574 .name = "write_iolog",
e8b0e958 2575 .lname = "Write I/O log",
214e1eca
JA		 2576 .type = FIO_OPT_STR_STORE,
2577 .off1 = td_var_offset(write_iolog_file),
2578 .help = "Store IO pattern to file",
e8b0e958
JA		 2579 .category = FIO_OPT_C_IO,
2580 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2581 },
2582 {
2583 .name = "read_iolog",
e8b0e958 2584 .lname = "Read I/O log",
214e1eca
JA		 2585 .type = FIO_OPT_STR_STORE,
2586 .off1 = td_var_offset(read_iolog_file),
2587 .help = "Playback IO pattern from file",
e8b0e958
JA		 2588 .category = FIO_OPT_C_IO,
2589 .group = FIO_OPT_G_IOLOG,
214e1eca 2590 },
64bbb865
DN		 2591 {
2592 .name = "replay_no_stall",
e8b0e958 2593 .lname = "Don't stall on replay",
20eb06bd 2594 .type = FIO_OPT_BOOL,
64bbb865
DN		 2595 .off1 = td_var_offset(no_stall),
2596 .def = "0",
87e7a972 2597 .parent = "read_iolog",
d71c154c 2598 .hide = 1,
64bbb865 2599 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2600 .category = FIO_OPT_C_IO,
2601 .group = FIO_OPT_G_IOLOG,
64bbb865 2602 },
d1c46c04
DN		 2603 {
2604 .name = "replay_redirect",
e8b0e958 2605 .lname = "Redirect device for replay",
d1c46c04
DN		 2606 .type = FIO_OPT_STR_STORE,
2607 .off1 = td_var_offset(replay_redirect),
2608 .parent = "read_iolog",
d71c154c 2609 .hide = 1,
d1c46c04 2610 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2611 .category = FIO_OPT_C_IO,
2612 .group = FIO_OPT_G_IOLOG,
d1c46c04 2613 },
214e1eca
JA		 2614 {
2615 .name = "exec_prerun",
e8b0e958 2616 .lname = "Pre-execute runnable",
214e1eca
JA		 2617 .type = FIO_OPT_STR_STORE,
2618 .off1 = td_var_offset(exec_prerun),
2619 .help = "Execute this file prior to running job",
e8b0e958
JA		 2620 .category = FIO_OPT_C_GENERAL,
2621 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2622 },
2623 {
2624 .name = "exec_postrun",
e8b0e958 2625 .lname = "Post-execute runnable",
214e1eca
JA		 2626 .type = FIO_OPT_STR_STORE,
2627 .off1 = td_var_offset(exec_postrun),
2628 .help = "Execute this file after running job",
e8b0e958
JA		 2629 .category = FIO_OPT_C_GENERAL,
2630 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2631 },
2632#ifdef FIO_HAVE_IOSCHED_SWITCH
2633 {
2634 .name = "ioscheduler",
e8b0e958 2635 .lname = "I/O scheduler",
214e1eca
JA		 2636 .type = FIO_OPT_STR_STORE,
2637 .off1 = td_var_offset(ioscheduler),
2638 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2639 .category = FIO_OPT_C_FILE,
2640 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2641 },
2642#endif
2643 {
2644 .name = "zonesize",
e8b0e958 2645 .lname = "Zone size",
214e1eca
JA		 2646 .type = FIO_OPT_STR_VAL,
2647 .off1 = td_var_offset(zone_size),
ed335855
SN		 2648 .help = "Amount of data to read per zone",
2649 .def = "0",
20eb06bd 2650 .interval = 1024 * 1024,
e8b0e958
JA		 2651 .category = FIO_OPT_C_IO,
2652 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2653 },
2654 {
2655 .name = "zonerange",
e8b0e958 2656 .lname = "Zone range",
ed335855
SN		 2657 .type = FIO_OPT_STR_VAL,
2658 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2659 .help = "Give size of an IO zone",
2660 .def = "0",
20eb06bd 2661 .interval = 1024 * 1024,
e8b0e958
JA		 2662 .category = FIO_OPT_C_IO,
2663 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2664 },
2665 {
2666 .name = "zoneskip",
e8b0e958 2667 .lname = "Zone skip",
214e1eca
JA		 2668 .type = FIO_OPT_STR_VAL,
2669 .off1 = td_var_offset(zone_skip),
2670 .help = "Space between IO zones",
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 = "lockmem",
e8b0e958 2678 .lname = "Lock memory",
214e1eca 2679 .type = FIO_OPT_STR_VAL,
1b79a070 2680 .off1 = td_var_offset(lockmem),
81c6b6cd 2681 .help = "Lock down this amount of memory (per worker)",
214e1eca 2682 .def = "0",
20eb06bd 2683 .interval = 1024 * 1024,
e8b0e958
JA		 2684 .category = FIO_OPT_C_GENERAL,
2685 .group = FIO_OPT_G_INVALID,
214e1eca 2686 },
214e1eca
JA		 2687 {
2688 .name = "rwmixread",
e8b0e958 2689 .lname = "Read/write mix read",
214e1eca 2690 .type = FIO_OPT_INT,
cb499fc4 2691 .cb = str_rwmix_read_cb,
214e1eca
JA		 2692 .maxval = 100,
2693 .help = "Percentage of mixed workload that is reads",
2694 .def = "50",
20eb06bd 2695 .interval = 5,
90265353 2696 .inverse = "rwmixwrite",
e8b0e958
JA		 2697 .category = FIO_OPT_C_IO,
2698 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2699 },
2700 {
2701 .name = "rwmixwrite",
e8b0e958 2702 .lname = "Read/write mix write",
214e1eca 2703 .type = FIO_OPT_INT,
cb499fc4 2704 .cb = str_rwmix_write_cb,
214e1eca
JA		 2705 .maxval = 100,
2706 .help = "Percentage of mixed workload that is writes",
2707 .def = "50",
20eb06bd 2708 .interval = 5,
90265353 2709 .inverse = "rwmixread",
e8b0e958
JA		 2710 .category = FIO_OPT_C_IO,
2711 .group = FIO_OPT_G_RWMIX,
214e1eca 2712 },
afdf9352
JA		 2713 {
2714 .name = "rwmixcycle",
e8b0e958 2715 .lname = "Read/write mix cycle",
15ca150e 2716 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2717 .category = FIO_OPT_C_IO,
2718 .group = FIO_OPT_G_RWMIX,
afdf9352 2719 },
214e1eca
JA		 2720 {
2721 .name = "nice",
e8b0e958 2722 .lname = "Nice",
214e1eca
JA		 2723 .type = FIO_OPT_INT,
2724 .off1 = td_var_offset(nice),
2725 .help = "Set job CPU nice value",
2726 .minval = -19,
2727 .maxval = 20,
2728 .def = "0",
20eb06bd 2729 .interval = 1,
e8b0e958 2730 .category = FIO_OPT_C_GENERAL,
10860056 2731 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2732 },
2733#ifdef FIO_HAVE_IOPRIO
2734 {
2735 .name = "prio",
e8b0e958 2736 .lname = "I/O nice priority",
214e1eca 2737 .type = FIO_OPT_INT,
28727df7 2738 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2739 .help = "Set job IO priority value",
2740 .minval = 0,
2741 .maxval = 7,
20eb06bd 2742 .interval = 1,
e8b0e958 2743 .category = FIO_OPT_C_GENERAL,
10860056 2744 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2745 },
2746 {
2747 .name = "prioclass",
e8b0e958 2748 .lname = "I/O nice priority class",
214e1eca 2749 .type = FIO_OPT_INT,
28727df7 2750 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2751 .help = "Set job IO priority class",
2752 .minval = 0,
2753 .maxval = 3,
20eb06bd 2754 .interval = 1,
e8b0e958 2755 .category = FIO_OPT_C_GENERAL,
10860056 2756 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2757 },
2758#endif
2759 {
2760 .name = "thinktime",
e8b0e958 2761 .lname = "Thinktime",
214e1eca
JA		 2762 .type = FIO_OPT_INT,
2763 .off1 = td_var_offset(thinktime),
2764 .help = "Idle time between IO buffers (usec)",
2765 .def = "0",
e8b0e958 2766 .category = FIO_OPT_C_IO,
3ceb458f 2767 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2768 },
2769 {
2770 .name = "thinktime_spin",
e8b0e958 2771 .lname = "Thinktime spin",
214e1eca
JA		 2772 .type = FIO_OPT_INT,
2773 .off1 = td_var_offset(thinktime_spin),
2774 .help = "Start think time by spinning this amount (usec)",
2775 .def = "0",
afdf9352 2776 .parent = "thinktime",
d71c154c 2777 .hide = 1,
e8b0e958 2778 .category = FIO_OPT_C_IO,
3ceb458f 2779 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2780 },
2781 {
2782 .name = "thinktime_blocks",
e8b0e958 2783 .lname = "Thinktime blocks",
214e1eca
JA		 2784 .type = FIO_OPT_INT,
2785 .off1 = td_var_offset(thinktime_blocks),
2786 .help = "IO buffer period between 'thinktime'",
2787 .def = "1",
afdf9352 2788 .parent = "thinktime",
d71c154c 2789 .hide = 1,
e8b0e958 2790 .category = FIO_OPT_C_IO,
3ceb458f 2791 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2792 },
2793 {
2794 .name = "rate",
e8b0e958 2795 .lname = "I/O rate",
e01b22b8 2796 .type = FIO_OPT_INT,
6eaf09d6
SL		 2797 .off1 = td_var_offset(rate[DDIR_READ]),
2798 .off2 = td_var_offset(rate[DDIR_WRITE]),
2799 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2800 .help = "Set bandwidth rate",
e8b0e958
JA		 2801 .category = FIO_OPT_C_IO,
2802 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2803 },
2804 {
2805 .name = "ratemin",
e8b0e958 2806 .lname = "I/O min rate",
e01b22b8 2807 .type = FIO_OPT_INT,
6eaf09d6
SL		 2808 .off1 = td_var_offset(ratemin[DDIR_READ]),
2809 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2810 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2811 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2812 .parent = "rate",
d71c154c 2813 .hide = 1,
e8b0e958
JA		 2814 .category = FIO_OPT_C_IO,
2815 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2816 },
2817 {
2818 .name = "rate_iops",
e8b0e958 2819 .lname = "I/O rate IOPS",
e01b22b8 2820 .type = FIO_OPT_INT,
6eaf09d6
SL		 2821 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2822 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2823 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2824 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2825 .hide = 1,
e8b0e958
JA		 2826 .category = FIO_OPT_C_IO,
2827 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2828 },
2829 {
2830 .name = "rate_iops_min",
e8b0e958 2831 .lname = "I/O min rate IOPS",
e01b22b8 2832 .type = FIO_OPT_INT,
6eaf09d6
SL		 2833 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2834 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2835 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2836 .help = "Job must meet this rate or it will be shut down",
afdf9352 2837 .parent = "rate_iops",
d71c154c 2838 .hide = 1,
e8b0e958
JA		 2839 .category = FIO_OPT_C_IO,
2840 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2841 },
2842 {
2843 .name = "ratecycle",
e8b0e958 2844 .lname = "I/O rate cycle",
214e1eca
JA		 2845 .type = FIO_OPT_INT,
2846 .off1 = td_var_offset(ratecycle),
2847 .help = "Window average for rate limits (msec)",
2848 .def = "1000",
afdf9352 2849 .parent = "rate",
d71c154c 2850 .hide = 1,
e8b0e958
JA		 2851 .category = FIO_OPT_C_IO,
2852 .group = FIO_OPT_G_RATE,
214e1eca 2853 },
15501535
JA		 2854 {
2855 .name = "max_latency",
2856 .type = FIO_OPT_INT,
2857 .off1 = td_var_offset(max_latency),
2858 .help = "Maximum tolerated IO latency (usec)",
1e5324e7 2859 .category = FIO_OPT_C_IO,
3e260a46
JA		 2860 .group = FIO_OPT_G_LATPROF,
2861 },
2862 {
2863 .name = "latency_target",
2864 .lname = "Latency Target (usec)",
2865 .type = FIO_OPT_STR_VAL_TIME,
2866 .off1 = td_var_offset(latency_target),
2867 .help = "Ramp to max queue depth supporting this latency",
2868 .category = FIO_OPT_C_IO,
2869 .group = FIO_OPT_G_LATPROF,
2870 },
2871 {
2872 .name = "latency_window",
2873 .lname = "Latency Window (usec)",
2874 .type = FIO_OPT_STR_VAL_TIME,
2875 .off1 = td_var_offset(latency_window),
2876 .help = "Time to sustain latency_target",
2877 .category = FIO_OPT_C_IO,
2878 .group = FIO_OPT_G_LATPROF,
2879 },
2880 {
2881 .name = "latency_percentile",
2882 .lname = "Latency Percentile",
2883 .type = FIO_OPT_FLOAT_LIST,
2884 .off1 = td_var_offset(latency_percentile),
2885 .help = "Percentile of IOs must be below latency_target",
2886 .def = "100",
2887 .maxlen = 1,
2888 .minfp = 0.0,
2889 .maxfp = 100.0,
2890 .category = FIO_OPT_C_IO,
2891 .group = FIO_OPT_G_LATPROF,
15501535 2892 },
214e1eca
JA		 2893 {
2894 .name = "invalidate",
e8b0e958 2895 .lname = "Cache invalidate",
214e1eca
JA		 2896 .type = FIO_OPT_BOOL,
2897 .off1 = td_var_offset(invalidate_cache),
2898 .help = "Invalidate buffer/page cache prior to running job",
2899 .def = "1",
e8b0e958 2900 .category = FIO_OPT_C_IO,
3ceb458f 2901 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2902 },
2903 {
2904 .name = "sync",
e8b0e958 2905 .lname = "Synchronous I/O",
214e1eca
JA		 2906 .type = FIO_OPT_BOOL,
2907 .off1 = td_var_offset(sync_io),
2908 .help = "Use O_SYNC for buffered writes",
2909 .def = "0",
67a1000f 2910 .parent = "buffered",
d71c154c 2911 .hide = 1,
e8b0e958 2912 .category = FIO_OPT_C_IO,
3ceb458f 2913 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2914 },
214e1eca
JA		 2915 {
2916 .name = "create_serialize",
e8b0e958 2917 .lname = "Create serialize",
214e1eca
JA		 2918 .type = FIO_OPT_BOOL,
2919 .off1 = td_var_offset(create_serialize),
2920 .help = "Serialize creating of job files",
2921 .def = "1",
e8b0e958
JA		 2922 .category = FIO_OPT_C_FILE,
2923 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2924 },
2925 {
2926 .name = "create_fsync",
e8b0e958 2927 .lname = "Create fsync",
214e1eca
JA		 2928 .type = FIO_OPT_BOOL,
2929 .off1 = td_var_offset(create_fsync),
03e20d68 2930 .help = "fsync file after creation",
214e1eca 2931 .def = "1",
e8b0e958
JA		 2932 .category = FIO_OPT_C_FILE,
2933 .group = FIO_OPT_G_INVALID,
214e1eca 2934 },
814452bd
JA		 2935 {
2936 .name = "create_on_open",
e8b0e958 2937 .lname = "Create on open",
814452bd
JA		 2938 .type = FIO_OPT_BOOL,
2939 .off1 = td_var_offset(create_on_open),
2940 .help = "Create files when they are opened for IO",
2941 .def = "0",
e8b0e958
JA		 2942 .category = FIO_OPT_C_FILE,
2943 .group = FIO_OPT_G_INVALID,
814452bd 2944 },
25460cf6
JA		 2945 {
2946 .name = "create_only",
2947 .type = FIO_OPT_BOOL,
2948 .off1 = td_var_offset(create_only),
2949 .help = "Only perform file creation phase",
d17fda71 2950 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2951 .def = "0",
2952 },
0b9d69ec 2953 {
afad68f7 2954 .name = "pre_read",
e8b0e958 2955 .lname = "Pre-read files",
afad68f7
ZY		 2956 .type = FIO_OPT_BOOL,
2957 .off1 = td_var_offset(pre_read),
03e20d68 2958 .help = "Pre-read files before starting official testing",
afad68f7 2959 .def = "0",
e8b0e958
JA		 2960 .category = FIO_OPT_C_FILE,
2961 .group = FIO_OPT_G_INVALID,
afad68f7 2962 },
214e1eca
JA		 2963#ifdef FIO_HAVE_CPU_AFFINITY
2964 {
2965 .name = "cpumask",
e8b0e958 2966 .lname = "CPU mask",
214e1eca
JA		 2967 .type = FIO_OPT_INT,
2968 .cb = str_cpumask_cb,
2969 .help = "CPU affinity mask",
e8b0e958 2970 .category = FIO_OPT_C_GENERAL,
10860056 2971 .group = FIO_OPT_G_CRED,
214e1eca 2972 },
d2e268b0
JA		 2973 {
2974 .name = "cpus_allowed",
e8b0e958 2975 .lname = "CPUs allowed",
d2e268b0
JA		 2976 .type = FIO_OPT_STR,
2977 .cb = str_cpus_allowed_cb,
2978 .help = "Set CPUs allowed",
e8b0e958 2979 .category = FIO_OPT_C_GENERAL,
10860056 2980 .group = FIO_OPT_G_CRED,
d2e268b0 2981 },
c2acfbac
JA		 2982 {
2983 .name = "cpus_allowed_policy",
2984 .lname = "CPUs allowed distribution policy",
2985 .type = FIO_OPT_STR,
2986 .off1 = td_var_offset(cpus_allowed_policy),
2987 .help = "Distribution policy for cpus_allowed",
2988 .parent = "cpus_allowed",
2989 .prio = 1,
2990 .posval = {
2991 { .ival = "shared",
2992 .oval = FIO_CPUS_SHARED,
2993 .help = "Mask shared between threads",
2994 },
2995 { .ival = "split",
2996 .oval = FIO_CPUS_SPLIT,
2997 .help = "Mask split between threads",
2998 },
2999 },
3000 .category = FIO_OPT_C_GENERAL,
3001 .group = FIO_OPT_G_CRED,
3002 },
d0b937ed 3003#endif
67bf9823 3004#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3005 {
3006 .name = "numa_cpu_nodes",
3007 .type = FIO_OPT_STR,
3008 .cb = str_numa_cpunodes_cb,
3009 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3010 .category = FIO_OPT_C_GENERAL,
3011 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3012 },
3013 {
3014 .name = "numa_mem_policy",
3015 .type = FIO_OPT_STR,
3016 .cb = str_numa_mpol_cb,
3017 .help = "NUMA memory policy setup",
6be54b2d
JA		 3018 .category = FIO_OPT_C_GENERAL,
3019 .group = FIO_OPT_G_INVALID,
d0b937ed 3020 },
214e1eca
JA		 3021#endif
3022 {
3023 .name = "end_fsync",
e8b0e958 3024 .lname = "End fsync",
214e1eca
JA		 3025 .type = FIO_OPT_BOOL,
3026 .off1 = td_var_offset(end_fsync),
3027 .help = "Include fsync at the end of job",
3028 .def = "0",
e8b0e958
JA		 3029 .category = FIO_OPT_C_FILE,
3030 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3031 },
3032 {
3033 .name = "fsync_on_close",
e8b0e958 3034 .lname = "Fsync on close",
214e1eca
JA		 3035 .type = FIO_OPT_BOOL,
3036 .off1 = td_var_offset(fsync_on_close),
3037 .help = "fsync files on close",
3038 .def = "0",
e8b0e958
JA		 3039 .category = FIO_OPT_C_FILE,
3040 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3041 },
3042 {
3043 .name = "unlink",
e8b0e958 3044 .lname = "Unlink file",
214e1eca
JA		 3045 .type = FIO_OPT_BOOL,
3046 .off1 = td_var_offset(unlink),
3047 .help = "Unlink created files after job has completed",
3048 .def = "0",
e8b0e958
JA		 3049 .category = FIO_OPT_C_FILE,
3050 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3051 },
3052 {
3053 .name = "exitall",
e8b0e958 3054 .lname = "Exit-all on terminate",
214e1eca
JA		 3055 .type = FIO_OPT_STR_SET,
3056 .cb = str_exitall_cb,
3057 .help = "Terminate all jobs when one exits",
e8b0e958 3058 .category = FIO_OPT_C_GENERAL,
a1f6afec 3059 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3060 },
3061 {
3062 .name = "stonewall",
e8b0e958 3063 .lname = "Wait for previous",
d392365e 3064 .alias = "wait_for_previous",
214e1eca
JA		 3065 .type = FIO_OPT_STR_SET,
3066 .off1 = td_var_offset(stonewall),
3067 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3068 .category = FIO_OPT_C_GENERAL,
a1f6afec 3069 .group = FIO_OPT_G_PROCESS,
214e1eca 3070 },
b3d62a75
JA		 3071 {
3072 .name = "new_group",
e8b0e958 3073 .lname = "New group",
b3d62a75
JA		 3074 .type = FIO_OPT_STR_SET,
3075 .off1 = td_var_offset(new_group),
3076 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3077 .category = FIO_OPT_C_GENERAL,
a1f6afec 3078 .group = FIO_OPT_G_PROCESS,
b3d62a75 3079 },
214e1eca
JA		 3080 {
3081 .name = "thread",
e8b0e958 3082 .lname = "Thread",
214e1eca
JA		 3083 .type = FIO_OPT_STR_SET,
3084 .off1 = td_var_offset(use_thread),
20eb06bd 3085 .help = "Use threads instead of processes",
c8931876
JA		 3086#ifdef CONFIG_NO_SHM
3087 .def = "1",
3088 .no_warn_def = 1,
3089#endif
e8b0e958 3090 .category = FIO_OPT_C_GENERAL,
a1f6afec 3091 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3092 },
3093 {
3094 .name = "write_bw_log",
e8b0e958 3095 .lname = "Write bandwidth log",
203160d5
JA		 3096 .type = FIO_OPT_STR_STORE,
3097 .off1 = td_var_offset(bw_log_file),
214e1eca 3098 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3099 .category = FIO_OPT_C_LOG,
3100 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3101 },
3102 {
3103 .name = "write_lat_log",
e8b0e958 3104 .lname = "Write latency log",
203160d5
JA		 3105 .type = FIO_OPT_STR_STORE,
3106 .off1 = td_var_offset(lat_log_file),
214e1eca 3107 .help = "Write log of latency during run",
e8b0e958
JA		 3108 .category = FIO_OPT_C_LOG,
3109 .group = FIO_OPT_G_INVALID,
214e1eca 3110 },
c8eeb9df
JA		 3111 {
3112 .name = "write_iops_log",
e8b0e958 3113 .lname = "Write IOPS log",
577c83bd 3114 .type = FIO_OPT_STR_STORE,
203160d5 3115 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3116 .help = "Write log of IOPS during run",
e8b0e958
JA		 3117 .category = FIO_OPT_C_LOG,
3118 .group = FIO_OPT_G_INVALID,
c8eeb9df 3119 },
b8bc8cba
JA		 3120 {
3121 .name = "log_avg_msec",
e8b0e958 3122 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3123 .type = FIO_OPT_INT,
3124 .off1 = td_var_offset(log_avg_msec),
3125 .help = "Average bw/iops/lat logs over this period of time",
3126 .def = "0",
e8b0e958
JA		 3127 .category = FIO_OPT_C_LOG,
3128 .group = FIO_OPT_G_INVALID,
b8bc8cba 3129 },
ae588852
JA		 3130 {
3131 .name = "log_offset",
3132 .lname = "Log offset of IO",
3133 .type = FIO_OPT_BOOL,
3134 .off1 = td_var_offset(log_offset),
3135 .help = "Include offset of IO for each log entry",
3136 .def = "0",
3137 .category = FIO_OPT_C_LOG,
3138 .group = FIO_OPT_G_INVALID,
3139 },
aee2ab67
JA		 3140#ifdef CONFIG_ZLIB
3141 {
3142 .name = "log_compression",
3143 .lname = "Log compression",
3144 .type = FIO_OPT_INT,
3145 .off1 = td_var_offset(log_gz),
3146 .help = "Log in compressed chunks of this size",
3147 .minval = 32 * 1024 * 1024ULL,
3148 .maxval = 512 * 1024 * 1024ULL,
3149 .category = FIO_OPT_C_LOG,
3150 .group = FIO_OPT_G_INVALID,
3151 },
b26317c9
JA		 3152 {
3153 .name = "log_store_compressed",
3154 .lname = "Log store compressed",
3155 .type = FIO_OPT_BOOL,
3156 .off1 = td_var_offset(log_gz_store),
3157 .help = "Store logs in a compressed format",
3158 .category = FIO_OPT_C_LOG,
3159 .group = FIO_OPT_G_INVALID,
3160 },
aee2ab67 3161#endif
c504ee55
JA		 3162 {
3163 .name = "bwavgtime",
3164 .lname = "Bandwidth average time",
3165 .type = FIO_OPT_INT,
3166 .off1 = td_var_offset(bw_avg_time),
3167 .help = "Time window over which to calculate bandwidth"
3168 " (msec)",
3169 .def = "500",
3170 .parent = "write_bw_log",
3171 .hide = 1,
3172 .interval = 100,
3173 .category = FIO_OPT_C_LOG,
3174 .group = FIO_OPT_G_INVALID,
3175 },
3176 {
3177 .name = "iopsavgtime",
3178 .lname = "IOPS average time",
3179 .type = FIO_OPT_INT,
3180 .off1 = td_var_offset(iops_avg_time),
3181 .help = "Time window over which to calculate IOPS (msec)",
3182 .def = "500",
3183 .parent = "write_iops_log",
3184 .hide = 1,
3185 .interval = 100,
3186 .category = FIO_OPT_C_LOG,
3187 .group = FIO_OPT_G_INVALID,
3188 },
214e1eca
JA		 3189 {
3190 .name = "group_reporting",
e8b0e958 3191 .lname = "Group reporting",
d2507043 3192 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3193 .off1 = td_var_offset(group_reporting),
3194 .help = "Do reporting on a per-group basis",
10860056 3195 .category = FIO_OPT_C_STAT,
e8b0e958 3196 .group = FIO_OPT_G_INVALID,
214e1eca 3197 },
e9459e5a
JA		 3198 {
3199 .name = "zero_buffers",
e8b0e958 3200 .lname = "Zero I/O buffers",
e9459e5a
JA		 3201 .type = FIO_OPT_STR_SET,
3202 .off1 = td_var_offset(zero_buffers),
3203 .help = "Init IO buffers to all zeroes",
e8b0e958 3204 .category = FIO_OPT_C_IO,
3ceb458f 3205 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3206 },
5973cafb
JA		 3207 {
3208 .name = "refill_buffers",
e8b0e958 3209 .lname = "Refill I/O buffers",
5973cafb
JA		 3210 .type = FIO_OPT_STR_SET,
3211 .off1 = td_var_offset(refill_buffers),
3212 .help = "Refill IO buffers on every IO submit",
e8b0e958 3213 .category = FIO_OPT_C_IO,
3ceb458f 3214 .group = FIO_OPT_G_IO_BUF,
5973cafb 3215 },
fd68418e
JA		 3216 {
3217 .name = "scramble_buffers",
e8b0e958 3218 .lname = "Scramble I/O buffers",
fd68418e
JA		 3219 .type = FIO_OPT_BOOL,
3220 .off1 = td_var_offset(scramble_buffers),
3221 .help = "Slightly scramble buffers on every IO submit",
3222 .def = "1",
e8b0e958 3223 .category = FIO_OPT_C_IO,
3ceb458f 3224 .group = FIO_OPT_G_IO_BUF,
fd68418e 3225 },
ce35b1ec
JA		 3226 {
3227 .name = "buffer_pattern",
3228 .lname = "Buffer pattern",
3229 .type = FIO_OPT_STR,
3230 .cb = str_buffer_pattern_cb,
3231 .help = "Fill pattern for IO buffers",
3232 .category = FIO_OPT_C_IO,
3233 .group = FIO_OPT_G_IO_BUF,
3234 },
9c42684e
JA		 3235 {
3236 .name = "buffer_compress_percentage",
e8b0e958 3237 .lname = "Buffer compression percentage",
9c42684e 3238 .type = FIO_OPT_INT,
bedc9dc2 3239 .cb = str_buffer_compress_cb,
9c42684e 3240 .maxval = 100,
e7f5de90 3241 .minval = 0,
9c42684e 3242 .help = "How compressible the buffer is (approximately)",
20eb06bd 3243 .interval = 5,
e8b0e958 3244 .category = FIO_OPT_C_IO,
3ceb458f 3245 .group = FIO_OPT_G_IO_BUF,
9c42684e 3246 },
f97a43a1
JA		 3247 {
3248 .name = "buffer_compress_chunk",
e8b0e958 3249 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3250 .type = FIO_OPT_INT,
3251 .off1 = td_var_offset(compress_chunk),
207b18e4 3252 .parent = "buffer_compress_percentage",
d71c154c 3253 .hide = 1,
f97a43a1 3254 .help = "Size of compressible region in buffer",
20eb06bd 3255 .interval = 256,
e8b0e958 3256 .category = FIO_OPT_C_IO,
3ceb458f 3257 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3258 },
83349190
YH		 3259 {
3260 .name = "clat_percentiles",
e8b0e958 3261 .lname = "Completion latency percentiles",
83349190
YH		 3262 .type = FIO_OPT_BOOL,
3263 .off1 = td_var_offset(clat_percentiles),
3264 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3265 .def = "1",
e8b0e958
JA		 3266 .category = FIO_OPT_C_STAT,
3267 .group = FIO_OPT_G_INVALID,
83349190
YH		 3268 },
3269 {
3270 .name = "percentile_list",
e8b0e958 3271 .lname = "Completion latency percentile list",
83349190
YH		 3272 .type = FIO_OPT_FLOAT_LIST,
3273 .off1 = td_var_offset(percentile_list),
435d195a 3274 .off2 = td_var_offset(percentile_precision),
83349190 3275 .help = "Specify a custom list of percentiles to report",
fd112d34 3276 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3277 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3278 .minfp = 0.0,
3279 .maxfp = 100.0,
e8b0e958
JA		 3280 .category = FIO_OPT_C_STAT,
3281 .group = FIO_OPT_G_INVALID,
83349190
YH		 3282 },
3283
0a839f30
JA		 3284#ifdef FIO_HAVE_DISK_UTIL
3285 {
3286 .name = "disk_util",
e8b0e958 3287 .lname = "Disk utilization",
0a839f30
JA		 3288 .type = FIO_OPT_BOOL,
3289 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3290 .help = "Log disk utilization statistics",
0a839f30 3291 .def = "1",
e8b0e958
JA		 3292 .category = FIO_OPT_C_STAT,
3293 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3294 },
3295#endif
993bf48b
JA		 3296 {
3297 .name = "gtod_reduce",
e8b0e958 3298 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3299 .type = FIO_OPT_BOOL,
3300 .help = "Greatly reduce number of gettimeofday() calls",
3301 .cb = str_gtod_reduce_cb,
3302 .def = "0",
a4ed77fe 3303 .hide_on_set = 1,
e8b0e958
JA		 3304 .category = FIO_OPT_C_STAT,
3305 .group = FIO_OPT_G_INVALID,
993bf48b 3306 },
02af0988
JA		 3307 {
3308 .name = "disable_lat",
e8b0e958 3309 .lname = "Disable all latency stats",
02af0988
JA		 3310 .type = FIO_OPT_BOOL,
3311 .off1 = td_var_offset(disable_lat),
3312 .help = "Disable latency numbers",
3313 .parent = "gtod_reduce",
d71c154c 3314 .hide = 1,
02af0988 3315 .def = "0",
e8b0e958
JA		 3316 .category = FIO_OPT_C_STAT,
3317 .group = FIO_OPT_G_INVALID,
02af0988 3318 },
9520ebb9
JA		 3319 {
3320 .name = "disable_clat",
e8b0e958 3321 .lname = "Disable completion latency stats",
9520ebb9
JA		 3322 .type = FIO_OPT_BOOL,
3323 .off1 = td_var_offset(disable_clat),
3324 .help = "Disable completion latency numbers",
993bf48b 3325 .parent = "gtod_reduce",
d71c154c 3326 .hide = 1,
9520ebb9 3327 .def = "0",
e8b0e958
JA		 3328 .category = FIO_OPT_C_STAT,
3329 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3330 },
3331 {
3332 .name = "disable_slat",
e8b0e958 3333 .lname = "Disable submission latency stats",
9520ebb9
JA		 3334 .type = FIO_OPT_BOOL,
3335 .off1 = td_var_offset(disable_slat),
03e20d68 3336 .help = "Disable submission latency numbers",
993bf48b 3337 .parent = "gtod_reduce",
d71c154c 3338 .hide = 1,
9520ebb9 3339 .def = "0",
e8b0e958
JA		 3340 .category = FIO_OPT_C_STAT,
3341 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3342 },
3343 {
3344 .name = "disable_bw_measurement",
e8b0e958 3345 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3346 .type = FIO_OPT_BOOL,
3347 .off1 = td_var_offset(disable_bw),
3348 .help = "Disable bandwidth logging",
993bf48b 3349 .parent = "gtod_reduce",
d71c154c 3350 .hide = 1,
9520ebb9 3351 .def = "0",
e8b0e958
JA		 3352 .category = FIO_OPT_C_STAT,
3353 .group = FIO_OPT_G_INVALID,
9520ebb9 3354 },
be4ecfdf
JA		 3355 {
3356 .name = "gtod_cpu",
e8b0e958 3357 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 3358 .type = FIO_OPT_INT,
3359 .cb = str_gtod_cpu_cb,
03e20d68 3360 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3361 .verify = gtod_cpu_verify,
e8b0e958 3362 .category = FIO_OPT_C_GENERAL,
10860056 3363 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3364 },
771e58be
JA		 3365 {
3366 .name = "unified_rw_reporting",
3367 .type = FIO_OPT_BOOL,
3368 .off1 = td_var_offset(unified_rw_rep),
3369 .help = "Unify reporting across data direction",
3370 .def = "0",
90b7a96d
JA		 3371 .category = FIO_OPT_C_GENERAL,
3372 .group = FIO_OPT_G_INVALID,
771e58be 3373 },
f2bba182
RR		 3374 {
3375 .name = "continue_on_error",
e8b0e958 3376 .lname = "Continue on error",
06842027 3377 .type = FIO_OPT_STR,
f2bba182 3378 .off1 = td_var_offset(continue_on_error),
03e20d68 3379 .help = "Continue on non-fatal errors during IO",
06842027 3380 .def = "none",
e8b0e958 3381 .category = FIO_OPT_C_GENERAL,
bc3f552f 3382 .group = FIO_OPT_G_ERR,
06842027
SL		 3383 .posval = {
3384 { .ival = "none",
3385 .oval = ERROR_TYPE_NONE,
3386 .help = "Exit when an error is encountered",
3387 },
3388 { .ival = "read",
3389 .oval = ERROR_TYPE_READ,
3390 .help = "Continue on read errors only",
3391 },
3392 { .ival = "write",
3393 .oval = ERROR_TYPE_WRITE,
3394 .help = "Continue on write errors only",
3395 },
3396 { .ival = "io",
3397 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3398 .help = "Continue on any IO errors",
3399 },
3400 { .ival = "verify",
3401 .oval = ERROR_TYPE_VERIFY,
3402 .help = "Continue on verify errors only",
3403 },
3404 { .ival = "all",
3405 .oval = ERROR_TYPE_ANY,
3406 .help = "Continue on all io and verify errors",
3407 },
3408 { .ival = "0",
3409 .oval = ERROR_TYPE_NONE,
3410 .help = "Alias for 'none'",
3411 },
3412 { .ival = "1",
3413 .oval = ERROR_TYPE_ANY,
3414 .help = "Alias for 'all'",
3415 },
3416 },
f2bba182 3417 },
8b28bd41
DM		 3418 {
3419 .name = "ignore_error",
3420 .type = FIO_OPT_STR,
3421 .cb = str_ignore_error_cb,
3422 .help = "Set a specific list of errors to ignore",
3423 .parent = "rw",
a94eb99a 3424 .category = FIO_OPT_C_GENERAL,
bc3f552f 3425 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3426 },
3427 {
3428 .name = "error_dump",
3429 .type = FIO_OPT_BOOL,
3430 .off1 = td_var_offset(error_dump),
3431 .def = "0",
3432 .help = "Dump info on each error",
a94eb99a 3433 .category = FIO_OPT_C_GENERAL,
bc3f552f 3434 .group = FIO_OPT_G_ERR,
8b28bd41 3435 },
9ac8a797
JA		 3436 {
3437 .name = "profile",
e8b0e958 3438 .lname = "Profile",
79d16311 3439 .type = FIO_OPT_STR_STORE,
9ac8a797 3440 .off1 = td_var_offset(profile),
9ac8a797 3441 .help = "Select a specific builtin performance test",
13fca827 3442 .category = FIO_OPT_C_PROFILE,
e8b0e958 3443 .group = FIO_OPT_G_INVALID,
9ac8a797 3444 },
a696fa2a
JA		 3445 {
3446 .name = "cgroup",
e8b0e958 3447 .lname = "Cgroup",
a696fa2a
JA		 3448 .type = FIO_OPT_STR_STORE,
3449 .off1 = td_var_offset(cgroup),
3450 .help = "Add job to cgroup of this name",
e8b0e958 3451 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3452 .group = FIO_OPT_G_CGROUP,
3453 },
3454 {
3455 .name = "cgroup_nodelete",
3456 .lname = "Cgroup no-delete",
3457 .type = FIO_OPT_BOOL,
3458 .off1 = td_var_offset(cgroup_nodelete),
3459 .help = "Do not delete cgroups after job completion",
3460 .def = "0",
3461 .parent = "cgroup",
3462 .category = FIO_OPT_C_GENERAL,
3463 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3464 },
3465 {
3466 .name = "cgroup_weight",
e8b0e958 3467 .lname = "Cgroup weight",
a696fa2a
JA		 3468 .type = FIO_OPT_INT,
3469 .off1 = td_var_offset(cgroup_weight),
3470 .help = "Use given weight for cgroup",
3471 .minval = 100,
3472 .maxval = 1000,
a1f6afec 3473 .parent = "cgroup",
e8b0e958 3474 .category = FIO_OPT_C_GENERAL,
a1f6afec 3475 .group = FIO_OPT_G_CGROUP,
7de87099 3476 },
e0b0d892
JA		 3477 {
3478 .name = "uid",
e8b0e958 3479 .lname = "User ID",
e0b0d892
JA		 3480 .type = FIO_OPT_INT,
3481 .off1 = td_var_offset(uid),
3482 .help = "Run job with this user ID",
e8b0e958 3483 .category = FIO_OPT_C_GENERAL,
10860056 3484 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3485 },
3486 {
3487 .name = "gid",
e8b0e958 3488 .lname = "Group ID",
e0b0d892
JA		 3489 .type = FIO_OPT_INT,
3490 .off1 = td_var_offset(gid),
3491 .help = "Run job with this group ID",
e8b0e958 3492 .category = FIO_OPT_C_GENERAL,
10860056 3493 .group = FIO_OPT_G_CRED,
e0b0d892 3494 },
a1f6afec
JA		 3495 {
3496 .name = "kb_base",
3497 .lname = "KB Base",
3498 .type = FIO_OPT_INT,
3499 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3500 .prio = 1,
3501 .def = "1024",
ba9c7219
JA		 3502 .posval = {
3503 { .ival = "1024",
3504 .oval = 1024,
3505 .help = "Use 1024 as the K base",
3506 },
3507 { .ival = "1000",
3508 .oval = 1000,
3509 .help = "Use 1000 as the K base",
3510 },
3511 },
a1f6afec
JA		 3512 .help = "How many bytes per KB for reporting (1000 or 1024)",
3513 .category = FIO_OPT_C_GENERAL,
3514 .group = FIO_OPT_G_INVALID,
3515 },
cf3a0518
JA		 3516 {
3517 .name = "unit_base",
ba9c7219 3518 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3519 .type = FIO_OPT_INT,
3520 .off1 = td_var_offset(unit_base),
cf3a0518 3521 .prio = 1,
71a08258
JA		 3522 .posval = {
3523 { .ival = "0",
3524 .oval = 0,
3525 .help = "Auto-detect",
3526 },
3527 { .ival = "8",
3528 .oval = 8,
3529 .help = "Normal (byte based)",
3530 },
3531 { .ival = "1",
3532 .oval = 1,
3533 .help = "Bit based",
3534 },
3535 },
cf3a0518
JA		 3536 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3537 .category = FIO_OPT_C_GENERAL,
3538 .group = FIO_OPT_G_INVALID,
3539 },
3ceb458f
JA		 3540 {
3541 .name = "hugepage-size",
3542 .lname = "Hugepage size",
3543 .type = FIO_OPT_INT,
3544 .off1 = td_var_offset(hugepage_size),
3545 .help = "When using hugepages, specify size of each page",
3546 .def = __fio_stringify(FIO_HUGE_PAGE),
3547 .interval = 1024 * 1024,
3548 .category = FIO_OPT_C_GENERAL,
3549 .group = FIO_OPT_G_INVALID,
3550 },
9e684a49
DE		 3551 {
3552 .name = "flow_id",
e8b0e958 3553 .lname = "I/O flow ID",
9e684a49
DE		 3554 .type = FIO_OPT_INT,
3555 .off1 = td_var_offset(flow_id),
3556 .help = "The flow index ID to use",
3557 .def = "0",
e8b0e958
JA		 3558 .category = FIO_OPT_C_IO,
3559 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3560 },
3561 {
3562 .name = "flow",
e8b0e958 3563 .lname = "I/O flow weight",
9e684a49
DE		 3564 .type = FIO_OPT_INT,
3565 .off1 = td_var_offset(flow),
3566 .help = "Weight for flow control of this job",
3567 .parent = "flow_id",
d71c154c 3568 .hide = 1,
9e684a49 3569 .def = "0",
e8b0e958
JA		 3570 .category = FIO_OPT_C_IO,
3571 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3572 },
3573 {
3574 .name = "flow_watermark",
e8b0e958 3575 .lname = "I/O flow watermark",
9e684a49
DE		 3576 .type = FIO_OPT_INT,
3577 .off1 = td_var_offset(flow_watermark),
3578 .help = "High watermark for flow control. This option"
3579 " should be set to the same value for all threads"
3580 " with non-zero flow.",
3581 .parent = "flow_id",
d71c154c 3582 .hide = 1,
9e684a49 3583 .def = "1024",
e8b0e958
JA		 3584 .category = FIO_OPT_C_IO,
3585 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3586 },
3587 {
3588 .name = "flow_sleep",
e8b0e958 3589 .lname = "I/O flow sleep",
9e684a49
DE		 3590 .type = FIO_OPT_INT,
3591 .off1 = td_var_offset(flow_sleep),
3592 .help = "How many microseconds to sleep after being held"
3593 " back by the flow control mechanism",
3594 .parent = "flow_id",
d71c154c 3595 .hide = 1,
9e684a49 3596 .def = "0",
e8b0e958
JA		 3597 .category = FIO_OPT_C_IO,
3598 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3599 },
214e1eca
JA		 3600 {
3601 .name = NULL,
3602 },
3603};
3604
17af15d4 3605static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3606 const char *name, int val)
9f81736c 3607{
17af15d4 3608 lopt->name = (char *) name;
de890a1e 3609 lopt->val = val;
9f81736c 3610 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3611 lopt->has_arg = optional_argument;
9f81736c
JA		 3612 else
3613 lopt->has_arg = required_argument;
3614}
3615
de890a1e
SL		 3616static void options_to_lopts(struct fio_option *opts,
3617 struct option *long_options,
3618 int i, int option_type)
214e1eca 3619{
de890a1e 3620 struct fio_option *o = &opts[0];
214e1eca 3621 while (o->name) {
de890a1e 3622 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3623 if (o->alias) {
3624 i++;
de890a1e 3625 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3626 }
214e1eca
JA		 3627
3628 i++;
3629 o++;
3630 assert(i < FIO_NR_OPTIONS);
3631 }
3632}
3633
de890a1e
SL		 3634void fio_options_set_ioengine_opts(struct option *long_options,
3635 struct thread_data *td)
3636{
3637 unsigned int i;
3638
3639 i = 0;
3640 while (long_options[i].name) {
3641 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3642 memset(&long_options[i], 0, sizeof(*long_options));
3643 break;
3644 }
3645 i++;
3646 }
3647
3648 /*
3649 * Just clear out the prior ioengine options.
3650 */
3651 if (!td || !td->eo)
3652 return;
3653
3654 options_to_lopts(td->io_ops->options, long_options, i,
3655 FIO_GETOPT_IOENGINE);
3656}
3657
3658void fio_options_dup_and_init(struct option *long_options)
3659{
3660 unsigned int i;
3661
9af4a244 3662 options_init(fio_options);
de890a1e
SL		 3663
3664 i = 0;
3665 while (long_options[i].name)
3666 i++;
3667
9af4a244 3668 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3669}
3670
74929ac2
JA		 3671struct fio_keyword {
3672 const char *word;
3673 const char *desc;
3674 char *replace;
3675};
3676
3677static struct fio_keyword fio_keywords[] = {
3678 {
3679 .word = "$pagesize",
3680 .desc = "Page size in the system",
3681 },
3682 {
3683 .word = "$mb_memory",
3684 .desc = "Megabytes of memory online",
3685 },
3686 {
3687 .word = "$ncpus",
3688 .desc = "Number of CPUs online in the system",
3689 },
3690 {
3691 .word = NULL,
3692 },
3693};
3694
3695void fio_keywords_init(void)
3696{
3b2e1464 3697 unsigned long long mb_memory;
74929ac2
JA		 3698 char buf[128];
3699 long l;
3700
a4cfc477 3701 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3702 fio_keywords[0].replace = strdup(buf);
3703
8eb016d3 3704 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3705 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3706 fio_keywords[1].replace = strdup(buf);
3707
c00a2289 3708 l = cpus_online();
74929ac2
JA		 3709 sprintf(buf, "%lu", l);
3710 fio_keywords[2].replace = strdup(buf);
3711}
3712
892a6ffc
JA		 3713#define BC_APP "bc"
3714
3715static char *bc_calc(char *str)
3716{
d0c814ec 3717 char buf[128], *tmp;
892a6ffc
JA		 3718 FILE *f;
3719 int ret;
3720
3721 /*
3722 * No math, just return string
3723 */
d0c814ec
SL		 3724 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3725 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3726 return str;
3727
3728 /*
3729 * Split option from value, we only need to calculate the value
3730 */
3731 tmp = strchr(str, '=');
3732 if (!tmp)
3733 return str;
3734
3735 tmp++;
892a6ffc 3736
d0c814ec
SL		 3737 /*
3738 * Prevent buffer overflows; such a case isn't reasonable anyway
3739 */
3740 if (strlen(str) >= 128 || strlen(tmp) > 100)
3741 return str;
892a6ffc
JA		 3742
3743 sprintf(buf, "which %s > /dev/null", BC_APP);
3744 if (system(buf)) {
3745 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3746 return NULL;
3747 }
3748
d0c814ec 3749 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3750 f = popen(buf, "r");
3c3ed070 3751 if (!f)
892a6ffc 3752 return NULL;
892a6ffc 3753
d0c814ec 3754 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 3755 if (ret <= 0) {
3756 pclose(f);
892a6ffc 3757 return NULL;
1d824f37 3758 }
892a6ffc 3759
892a6ffc 3760 pclose(f);
d0c814ec
SL		 3761 buf[(tmp - str) + ret - 1] = '\0';
3762 memcpy(buf, str, tmp - str);
892a6ffc 3763 free(str);
d0c814ec
SL		 3764 return strdup(buf);
3765}
3766
3767/*
3768 * Return a copy of the input string with substrings of the form ${VARNAME}
3769 * substituted with the value of the environment variable VARNAME. The
3770 * substitution always occurs, even if VARNAME is empty or the corresponding
3771 * environment variable undefined.
3772 */
3773static char *option_dup_subs(const char *opt)
3774{
3775 char out[OPT_LEN_MAX+1];
3776 char in[OPT_LEN_MAX+1];
3777 char *outptr = out;
3778 char *inptr = in;
3779 char *ch1, *ch2, *env;
3780 ssize_t nchr = OPT_LEN_MAX;
3781 size_t envlen;
3782
3783 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3784 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3785 return NULL;
3786 }
3787
3788 in[OPT_LEN_MAX] = '\0';
3789 strncpy(in, opt, OPT_LEN_MAX);
3790
3791 while (*inptr && nchr > 0) {
3792 if (inptr[0] == '$' && inptr[1] == '{') {
3793 ch2 = strchr(inptr, '}');
3794 if (ch2 && inptr+1 < ch2) {
3795 ch1 = inptr+2;
3796 inptr = ch2+1;
3797 *ch2 = '\0';
3798
3799 env = getenv(ch1);
3800 if (env) {
3801 envlen = strlen(env);
3802 if (envlen <= nchr) {
3803 memcpy(outptr, env, envlen);
3804 outptr += envlen;
3805 nchr -= envlen;
3806 }
3807 }
3808
3809 continue;
3810 }
3811 }
3812
3813 *outptr++ = *inptr++;
3814 --nchr;
3815 }
3816
3817 *outptr = '\0';
3818 return strdup(out);
892a6ffc
JA		 3819}
3820
74929ac2
JA		 3821/*
3822 * Look for reserved variable names and replace them with real values
3823 */
3824static char *fio_keyword_replace(char *opt)
3825{
3826 char *s;
3827 int i;
d0c814ec 3828 int docalc = 0;
74929ac2
JA		 3829
3830 for (i = 0; fio_keywords[i].word != NULL; i++) {
3831 struct fio_keyword *kw = &fio_keywords[i];
3832
3833 while ((s = strstr(opt, kw->word)) != NULL) {
3834 char *new = malloc(strlen(opt) + 1);
3835 char *o_org = opt;
3836 int olen = s - opt;
3837 int len;
3838
3839 /*
3840 * Copy part of the string before the keyword and
3841 * sprintf() the replacement after it.
3842 */
3843 memcpy(new, opt, olen);
3844 len = sprintf(new + olen, "%s", kw->replace);
3845
3846 /*
3847 * If there's more in the original string, copy that
3848 * in too
3849 */
3850 opt += strlen(kw->word) + olen;
3851 if (strlen(opt))
3852 memcpy(new + olen + len, opt, opt - o_org - 1);
3853
3854 /*
3855 * replace opt and free the old opt
3856 */
3857 opt = new;
d0c814ec 3858 free(o_org);
7a958bd5 3859
d0c814ec 3860 docalc = 1;
74929ac2
JA		 3861 }
3862 }
3863
d0c814ec
SL		 3864 /*
3865 * Check for potential math and invoke bc, if possible
3866 */
3867 if (docalc)
3868 opt = bc_calc(opt);
3869
7a958bd5 3870 return opt;
74929ac2
JA		 3871}
3872
d0c814ec
SL		 3873static char **dup_and_sub_options(char **opts, int num_opts)
3874{
3875 int i;
3876 char **opts_copy = malloc(num_opts * sizeof(*opts));
3877 for (i = 0; i < num_opts; i++) {
3878 opts_copy[i] = option_dup_subs(opts[i]);
3879 if (!opts_copy[i])
3880 continue;
3881 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3882 }
3883 return opts_copy;
3884}
3885
292cc475
JA		 3886int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3887 int dump_cmdline)
214e1eca 3888{
de890a1e 3889 int i, ret, unknown;
d0c814ec 3890 char **opts_copy;
3b8b7135 3891
9af4a244 3892 sort_options(opts, fio_options, num_opts);
d0c814ec 3893 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 3894
de890a1e
SL		 3895 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3896 struct fio_option *o;
9af4a244 3897 int newret = parse_option(opts_copy[i], opts[i], fio_options,
292cc475 3898 &o, td, dump_cmdline);
d0c814ec 3899
de890a1e
SL		 3900 if (opts_copy[i]) {
3901 if (newret && !o) {
3902 unknown++;
3903 continue;
3904 }
d0c814ec 3905 free(opts_copy[i]);
de890a1e
SL		 3906 opts_copy[i] = NULL;
3907 }
3908
3909 ret |= newret;
3910 }
3911
3912 if (unknown) {
3913 ret |= ioengine_load(td);
3914 if (td->eo) {
3915 sort_options(opts_copy, td->io_ops->options, num_opts);
3916 opts = opts_copy;
3917 }
3918 for (i = 0; i < num_opts; i++) {
3919 struct fio_option *o = NULL;
3920 int newret = 1;
3921 if (!opts_copy[i])
3922 continue;
3923
3924 if (td->eo)
3925 newret = parse_option(opts_copy[i], opts[i],
3926 td->io_ops->options, &o,
292cc475 3927 td->eo, dump_cmdline);
de890a1e
SL		 3928
3929 ret |= newret;
3930 if (!o)
3931 log_err("Bad option <%s>\n", opts[i]);
3932
3933 free(opts_copy[i]);
3934 opts_copy[i] = NULL;
3935 }
74929ac2 3936 }
3b8b7135 3937
d0c814ec 3938 free(opts_copy);
3b8b7135 3939 return ret;
214e1eca
JA		 3940}
3941
3942int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3943{
9af4a244 3944 return parse_cmd_option(opt, val, fio_options, td);
214e1eca
JA		 3945}
3946
de890a1e
SL		 3947int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3948 char *val)
3949{
8a96c80e 3950 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
de890a1e
SL		 3951}
3952
214e1eca
JA		 3953void fio_fill_default_options(struct thread_data *td)
3954{
cb1402d6 3955 td->o.magic = OPT_MAGIC;
9af4a244 3956 fill_default_options(td, fio_options);
214e1eca
JA		 3957}
3958
3959int fio_show_option_help(const char *opt)
3960{
9af4a244 3961 return show_cmd_help(fio_options, opt);
214e1eca 3962}
d23bb327 3963
de890a1e 3964void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 3965{
de890a1e 3966 struct fio_option *o;
d23bb327 3967 char **ptr;
d23bb327 3968
de890a1e
SL		 3969 for (o = &options[0]; o->name; o++) {
3970 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 3971 continue;
3972
f0fdbcaf 3973 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 3974 if (*ptr)
3975 *ptr = strdup(*ptr);
d23bb327
JA		 3976 }
3977}
3978
de890a1e
SL		 3979/*
3980 * dupe FIO_OPT_STR_STORE options
3981 */
3982void fio_options_mem_dupe(struct thread_data *td)
3983{
9af4a244 3984 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 3985
3986 if (td->eo && td->io_ops) {
de890a1e 3987 void *oldeo = td->eo;
1647f592 3988
de890a1e
SL		 3989 td->eo = malloc(td->io_ops->option_struct_size);
3990 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3991 options_mem_dupe(td->eo, td->io_ops->options);
3992 }
3993}
3994
d6978a32
JA		 3995unsigned int fio_get_kb_base(void *data)
3996{
83ea422a 3997 struct thread_options *o = data;
d6978a32
JA		 3998 unsigned int kb_base = 0;
3999
cb1402d6
JA		 4000 /*
4001 * This is a hack... For private options, *data is not holding
4002 * a pointer to the thread_options, but to private data. This means
4003 * we can't safely dereference it, but magic is first so mem wise
4004 * it is valid. But this also means that if the job first sets
4005 * kb_base and expects that to be honored by private options,
4006 * it will be disappointed. We will return the global default
4007 * for this.
4008 */
4009 if (o && o->magic == OPT_MAGIC)
83ea422a 4010 kb_base = o->kb_base;
d6978a32
JA		 4011 if (!kb_base)
4012 kb_base = 1024;
4013
4014 return kb_base;
4015}
9f988e2e 4016
07b3232d 4017int add_option(struct fio_option *o)
9f988e2e 4018{
07b3232d
JA		 4019 struct fio_option *__o;
4020 int opt_index = 0;
4021
9af4a244 4022 __o = fio_options;
07b3232d
JA		 4023 while (__o->name) {
4024 opt_index++;
4025 __o++;
4026 }
4027
7b504edd
JA		 4028 if (opt_index + 1 == FIO_MAX_OPTS) {
4029 log_err("fio: FIO_MAX_OPTS is too small\n");
4030 return 1;
4031 }
4032
9af4a244 4033 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4034 fio_options[opt_index + 1].name = NULL;
07b3232d 4035 return 0;
9f988e2e 4036}
e2de69da 4037
07b3232d 4038void invalidate_profile_options(const char *prof_name)
e2de69da 4039{
07b3232d 4040 struct fio_option *o;
e2de69da 4041
9af4a244 4042 o = fio_options;
07b3232d
JA		 4043 while (o->name) {
4044 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4045 o->type = FIO_OPT_INVALID;
4046 o->prof_name = NULL;
4047 }
4048 o++;
e2de69da
JA		 4049 }
4050}
f5b6bb85
JA		 4051
4052void add_opt_posval(const char *optname, const char *ival, const char *help)
4053{
4054 struct fio_option *o;
4055 unsigned int i;
4056
9af4a244 4057 o = find_option(fio_options, optname);
f5b6bb85
JA		 4058 if (!o)
4059 return;
4060
4061 for (i = 0; i < PARSE_MAX_VP; i++) {
4062 if (o->posval[i].ival)
4063 continue;
4064
4065 o->posval[i].ival = ival;
4066 o->posval[i].help = help;
4067 break;
4068 }
4069}
4070
4071void del_opt_posval(const char *optname, const char *ival)
4072{
4073 struct fio_option *o;
4074 unsigned int i;
4075
9af4a244 4076 o = find_option(fio_options, optname);
f5b6bb85
JA		 4077 if (!o)
4078 return;
4079
4080 for (i = 0; i < PARSE_MAX_VP; i++) {
4081 if (!o->posval[i].ival)
4082 continue;
4083 if (strcmp(o->posval[i].ival, ival))
4084 continue;
4085
4086 o->posval[i].ival = NULL;
4087 o->posval[i].help = NULL;
4088 }
4089}
7e356b2d
JA		 4090
4091void fio_options_free(struct thread_data *td)
4092{
9af4a244 4093 options_free(fio_options, td);
de890a1e
SL		 4094 if (td->eo && td->io_ops && td->io_ops->options) {
4095 options_free(td->io_ops->options, td->eo);
4096 free(td->eo);
4097 td->eo = NULL;
4098 }
7e356b2d 4099}
c504ee55
JA		 4100
4101struct fio_option *fio_option_find(const char *name)
4102{
4103 return find_option(fio_options, name);
4104}
4105
fio - Flexible IO Tester