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Improve dedupe/compression buffer filling for mixed block sizes
[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
5c94b008
JA		 1053static int str_dedupe_cb(void *data, unsigned long long *il)
1054{
1055 struct thread_data *td = data;
1056
1057 td->flags |= TD_F_COMPRESS;
1058 td->o.dedupe_percentage = *il;
1059 td->o.refill_buffers = 1;
1060 return 0;
1061}
1062
ce35b1ec
JA		 1063static int str_verify_pattern_cb(void *data, const char *input)
1064{
1065 struct thread_data *td = data;
1066 int ret;
1067
1068 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1069 &td->o.verify_pattern_bytes);
efcd9dcc 1070
92bf48d5
JA		 1071 /*
1072 * VERIFY_META could already be set
1073 */
ce35b1ec 1074 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 1075 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1076
ce35b1ec 1077 return ret;
90059d65 1078}
214e1eca 1079
993bf48b
JA		 1080static int str_gtod_reduce_cb(void *data, int *il)
1081{
1082 struct thread_data *td = data;
1083 int val = *il;
1084
02af0988 1085 td->o.disable_lat = !!val;
993bf48b
JA		 1086 td->o.disable_clat = !!val;
1087 td->o.disable_slat = !!val;
1088 td->o.disable_bw = !!val;
0dc1bc03 1089 td->o.clat_percentiles = !val;
993bf48b
JA		 1090 if (val)
1091 td->tv_cache_mask = 63;
1092
1093 return 0;
1094}
1095
85bc833b 1096static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA		 1097{
1098 struct thread_data *td = data;
1099 int val = *il;
1100
1101 td->o.gtod_cpu = val;
1102 td->o.gtod_offload = 1;
1103 return 0;
1104}
1105
7bb59102
JA		 1106static int str_size_cb(void *data, unsigned long long *__val)
1107{
1108 struct thread_data *td = data;
1109 unsigned long long v = *__val;
1110
1111 if (parse_is_percent(v)) {
1112 td->o.size = 0;
1113 td->o.size_percent = -1ULL - v;
1114 } else
1115 td->o.size = v;
1116
1117 return 0;
1118}
1119
896cac2a
JA		 1120static int rw_verify(struct fio_option *o, void *data)
1121{
1122 struct thread_data *td = data;
1123
1124 if (read_only && td_write(td)) {
1125 log_err("fio: job <%s> has write bit set, but fio is in"
1126 " read-only mode\n", td->o.name);
1127 return 1;
1128 }
1129
1130 return 0;
1131}
1132
276ca4f7 1133static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1134{
276ca4f7 1135#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1136 struct thread_data *td = data;
1137
29d43ff9
JA		 1138 if (td->o.gtod_cpu) {
1139 log_err("fio: platform must support CPU affinity for"
1140 "gettimeofday() offloading\n");
1141 return 1;
1142 }
1143#endif
1144
1145 return 0;
1146}
1147
9af4a244
JA		 1148/*
1149 * Option grouping
1150 */
1151static struct opt_group fio_opt_groups[] = {
1152 {
e8b0e958
JA		 1153 .name = "General",
1154 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 1155 },
1156 {
e8b0e958
JA		 1157 .name = "I/O",
1158 .mask = FIO_OPT_C_IO,
9af4a244
JA		 1159 },
1160 {
e8b0e958
JA		 1161 .name = "File",
1162 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 1163 },
1164 {
e8b0e958
JA		 1165 .name = "Statistics",
1166 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 1167 },
1168 {
e8b0e958
JA		 1169 .name = "Logging",
1170 .mask = FIO_OPT_C_LOG,
9af4a244 1171 },
13fca827
JA		 1172 {
1173 .name = "Profiles",
1174 .mask = FIO_OPT_C_PROFILE,
1175 },
e231bbe6 1176 {
e8b0e958 1177 .name = NULL,
e231bbe6 1178 },
e8b0e958
JA		 1179};
1180
1181static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1182 unsigned int inv_mask)
1183{
1184 struct opt_group *og;
1185 int i;
1186
1187 if (*mask == inv_mask || !*mask)
1188 return NULL;
1189
1190 for (i = 0; ogs[i].name; i++) {
1191 og = &ogs[i];
1192
1193 if (*mask & og->mask) {
1194 *mask &= ~(og->mask);
1195 return og;
1196 }
1197 }
1198
1199 return NULL;
1200}
1201
1202struct opt_group *opt_group_from_mask(unsigned int *mask)
1203{
1204 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1205}
1206
1207static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA		 1208 {
1209 .name = "Latency profiling",
1210 .mask = FIO_OPT_G_LATPROF,
1211 },
9af4a244 1212 {
e8b0e958
JA		 1213 .name = "Rate",
1214 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1215 },
1216 {
e8b0e958
JA		 1217 .name = "Zone",
1218 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1219 },
1220 {
e8b0e958
JA		 1221 .name = "Read/write mix",
1222 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1223 },
1224 {
1225 .name = "Verify",
1226 .mask = FIO_OPT_G_VERIFY,
1227 },
1228 {
e8b0e958
JA		 1229 .name = "Trim",
1230 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1231 },
1232 {
e8b0e958
JA		 1233 .name = "I/O Logging",
1234 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1235 },
1236 {
e8b0e958
JA		 1237 .name = "I/O Depth",
1238 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1239 },
1240 {
e8b0e958
JA		 1241 .name = "I/O Flow",
1242 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1243 },
0626037e
JA		 1244 {
1245 .name = "Description",
1246 .mask = FIO_OPT_G_DESC,
1247 },
1248 {
1249 .name = "Filename",
1250 .mask = FIO_OPT_G_FILENAME,
1251 },
1252 {
1253 .name = "General I/O",
1254 .mask = FIO_OPT_G_IO_BASIC,
1255 },
a1f6afec
JA		 1256 {
1257 .name = "Cgroups",
1258 .mask = FIO_OPT_G_CGROUP,
1259 },
1260 {
1261 .name = "Runtime",
1262 .mask = FIO_OPT_G_RUNTIME,
1263 },
10860056
JA		 1264 {
1265 .name = "Process",
1266 .mask = FIO_OPT_G_PROCESS,
1267 },
1268 {
1269 .name = "Job credentials / priority",
1270 .mask = FIO_OPT_G_CRED,
1271 },
1272 {
1273 .name = "Clock settings",
1274 .mask = FIO_OPT_G_CLOCK,
1275 },
3ceb458f
JA		 1276 {
1277 .name = "I/O Type",
1278 .mask = FIO_OPT_G_IO_TYPE,
1279 },
1280 {
1281 .name = "I/O Thinktime",
1282 .mask = FIO_OPT_G_THINKTIME,
1283 },
1284 {
1285 .name = "Randomizations",
1286 .mask = FIO_OPT_G_RANDOM,
1287 },
1288 {
1289 .name = "I/O buffers",
1290 .mask = FIO_OPT_G_IO_BUF,
1291 },
13fca827
JA		 1292 {
1293 .name = "Tiobench profile",
1294 .mask = FIO_OPT_G_TIOBENCH,
1295 },
1296
9af4a244
JA		 1297 {
1298 .name = NULL,
e8b0e958 1299 }
9af4a244
JA		 1300};
1301
e8b0e958 1302struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1303{
e8b0e958 1304 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1305}
1306
214e1eca
JA		 1307/*
1308 * Map of job/command line options
1309 */
9af4a244 1310struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1311 {
1312 .name = "description",
e8b0e958 1313 .lname = "Description of job",
214e1eca
JA		 1314 .type = FIO_OPT_STR_STORE,
1315 .off1 = td_var_offset(description),
1316 .help = "Text job description",
e8b0e958 1317 .category = FIO_OPT_C_GENERAL,
0626037e 1318 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1319 },
1320 {
1321 .name = "name",
e8b0e958 1322 .lname = "Job name",
214e1eca
JA		 1323 .type = FIO_OPT_STR_STORE,
1324 .off1 = td_var_offset(name),
1325 .help = "Name of this job",
e8b0e958 1326 .category = FIO_OPT_C_GENERAL,
0626037e 1327 .group = FIO_OPT_G_DESC,
214e1eca 1328 },
214e1eca
JA		 1329 {
1330 .name = "filename",
e8b0e958 1331 .lname = "Filename(s)",
214e1eca
JA		 1332 .type = FIO_OPT_STR_STORE,
1333 .off1 = td_var_offset(filename),
1334 .cb = str_filename_cb,
f0d524b0 1335 .prio = -1, /* must come after "directory" */
214e1eca 1336 .help = "File(s) to use for the workload",
e8b0e958 1337 .category = FIO_OPT_C_FILE,
0626037e 1338 .group = FIO_OPT_G_FILENAME,
214e1eca 1339 },
90fef2d1 1340 {
e8b0e958
JA		 1341 .name = "directory",
1342 .lname = "Directory",
1343 .type = FIO_OPT_STR_STORE,
1344 .off1 = td_var_offset(directory),
1345 .cb = str_directory_cb,
1346 .help = "Directory to store files in",
1347 .category = FIO_OPT_C_FILE,
0626037e 1348 .group = FIO_OPT_G_FILENAME,
90fef2d1 1349 },
de98bd30
JA		 1350 {
1351 .name = "filename_format",
1352 .type = FIO_OPT_STR_STORE,
1353 .off1 = td_var_offset(filename_format),
1354 .prio = -1, /* must come after "directory" */
1355 .help = "Override default $jobname.$jobnum.$filenum naming",
1356 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1357 .category = FIO_OPT_C_FILE,
1358 .group = FIO_OPT_G_FILENAME,
ad705bcb 1359 },
29c1349f
JA		 1360 {
1361 .name = "lockfile",
e8b0e958 1362 .lname = "Lockfile",
4d4e80f2 1363 .type = FIO_OPT_STR,
4d4e80f2 1364 .off1 = td_var_offset(file_lock_mode),
29c1349f 1365 .help = "Lock file when doing IO to it",
bc6a0a5d 1366 .prio = 1,
29c1349f 1367 .parent = "filename",
d71c154c 1368 .hide = 0,
4d4e80f2 1369 .def = "none",
f2a2803a 1370 .cb = str_lockfile_cb,
e8b0e958 1371 .category = FIO_OPT_C_FILE,
0626037e 1372 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1373 .posval = {
1374 { .ival = "none",
1375 .oval = FILE_LOCK_NONE,
1376 .help = "No file locking",
1377 },
1378 { .ival = "exclusive",
1379 .oval = FILE_LOCK_EXCLUSIVE,
1380 .help = "Exclusive file lock",
1381 },
1382 {
1383 .ival = "readwrite",
1384 .oval = FILE_LOCK_READWRITE,
1385 .help = "Read vs write lock",
1386 },
1387 },
29c1349f 1388 },
214e1eca
JA		 1389 {
1390 .name = "opendir",
e8b0e958 1391 .lname = "Open directory",
214e1eca
JA		 1392 .type = FIO_OPT_STR_STORE,
1393 .off1 = td_var_offset(opendir),
1394 .cb = str_opendir_cb,
1395 .help = "Recursively add files from this directory and down",
e8b0e958 1396 .category = FIO_OPT_C_FILE,
0626037e 1397 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1398 },
1399 {
1400 .name = "rw",
e8b0e958 1401 .lname = "Read/write",
d3aad8f2 1402 .alias = "readwrite",
214e1eca 1403 .type = FIO_OPT_STR,
211097b2 1404 .cb = str_rw_cb,
214e1eca
JA		 1405 .off1 = td_var_offset(td_ddir),
1406 .help = "IO direction",
1407 .def = "read",
896cac2a 1408 .verify = rw_verify,
e8b0e958 1409 .category = FIO_OPT_C_IO,
0626037e 1410 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1411 .posval = {
1412 { .ival = "read",
1413 .oval = TD_DDIR_READ,
1414 .help = "Sequential read",
1415 },
1416 { .ival = "write",
1417 .oval = TD_DDIR_WRITE,
1418 .help = "Sequential write",
1419 },
6eaf09d6
SL		 1420 { .ival = "trim",
1421 .oval = TD_DDIR_TRIM,
1422 .help = "Sequential trim",
1423 },
214e1eca
JA		 1424 { .ival = "randread",
1425 .oval = TD_DDIR_RANDREAD,
1426 .help = "Random read",
1427 },
1428 { .ival = "randwrite",
1429 .oval = TD_DDIR_RANDWRITE,
1430 .help = "Random write",
1431 },
6eaf09d6
SL		 1432 { .ival = "randtrim",
1433 .oval = TD_DDIR_RANDTRIM,
1434 .help = "Random trim",
1435 },
214e1eca
JA		 1436 { .ival = "rw",
1437 .oval = TD_DDIR_RW,
1438 .help = "Sequential read and write mix",
1439 },
10b023db
JA		 1440 { .ival = "readwrite",
1441 .oval = TD_DDIR_RW,
1442 .help = "Sequential read and write mix",
1443 },
214e1eca
JA		 1444 { .ival = "randrw",
1445 .oval = TD_DDIR_RANDRW,
1446 .help = "Random read and write mix"
1447 },
1448 },
1449 },
38dad62d
JA		 1450 {
1451 .name = "rw_sequencer",
e8b0e958 1452 .lname = "RW Sequencer",
38dad62d
JA		 1453 .type = FIO_OPT_STR,
1454 .off1 = td_var_offset(rw_seq),
1455 .help = "IO offset generator modifier",
1456 .def = "sequential",
e8b0e958 1457 .category = FIO_OPT_C_IO,
0626037e 1458 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1459 .posval = {
1460 { .ival = "sequential",
1461 .oval = RW_SEQ_SEQ,
1462 .help = "Generate sequential offsets",
1463 },
1464 { .ival = "identical",
1465 .oval = RW_SEQ_IDENT,
1466 .help = "Generate identical offsets",
1467 },
1468 },
1469 },
1470
214e1eca
JA		 1471 {
1472 .name = "ioengine",
e8b0e958 1473 .lname = "IO Engine",
214e1eca
JA		 1474 .type = FIO_OPT_STR_STORE,
1475 .off1 = td_var_offset(ioengine),
1476 .help = "IO engine to use",
58483fa4 1477 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1478 .category = FIO_OPT_C_IO,
0626037e 1479 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1480 .posval = {
1481 { .ival = "sync",
1482 .help = "Use read/write",
1483 },
a31041ea 1484 { .ival = "psync",
1485 .help = "Use pread/pwrite",
1486 },
1d2af02a 1487 { .ival = "vsync",
03e20d68 1488 .help = "Use readv/writev",
1d2af02a 1489 },
07fc0acd
JA		 1490#ifdef CONFIG_PWRITEV
1491 { .ival = "pvsync",
1492 .help = "Use preadv/pwritev",
1493 },
1494#endif
67bf9823 1495#ifdef CONFIG_LIBAIO
214e1eca
JA		 1496 { .ival = "libaio",
1497 .help = "Linux native asynchronous IO",
1498 },
1499#endif
67bf9823 1500#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1501 { .ival = "posixaio",
1502 .help = "POSIX asynchronous IO",
1503 },
417f0068 1504#endif
997843cb 1505#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1506 { .ival = "solarisaio",
1507 .help = "Solaris native asynchronous IO",
1508 },
214e1eca 1509#endif
4700b234 1510#ifdef CONFIG_WINDOWSAIO
03e20d68 1511 { .ival = "windowsaio",
3be80071 1512 .help = "Windows native asynchronous IO"
de890a1e 1513 },
fc5c0345
DG		 1514#endif
1515#ifdef CONFIG_RBD
1516 { .ival = "rbd",
1517 .help = "Rados Block Device asynchronous IO"
1518 },
3be80071 1519#endif
214e1eca 1520 { .ival = "mmap",
03e20d68 1521 .help = "Memory mapped IO"
214e1eca 1522 },
67bf9823 1523#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1524 { .ival = "splice",
1525 .help = "splice/vmsplice based IO",
1526 },
9cce02e8
JA		 1527 { .ival = "netsplice",
1528 .help = "splice/vmsplice to/from the network",
1529 },
214e1eca
JA		 1530#endif
1531#ifdef FIO_HAVE_SGIO
1532 { .ival = "sg",
1533 .help = "SCSI generic v3 IO",
1534 },
1535#endif
1536 { .ival = "null",
1537 .help = "Testing engine (no data transfer)",
1538 },
1539 { .ival = "net",
1540 .help = "Network IO",
1541 },
214e1eca 1542 { .ival = "cpuio",
03e20d68 1543 .help = "CPU cycle burner engine",
214e1eca 1544 },
67bf9823 1545#ifdef CONFIG_GUASI
b8c82a46
JA		 1546 { .ival = "guasi",
1547 .help = "GUASI IO engine",
1548 },
79a43187
JA		 1549#endif
1550#ifdef FIO_HAVE_BINJECT
1551 { .ival = "binject",
1552 .help = "binject direct inject block engine",
1553 },
21b8aee8 1554#endif
67bf9823 1555#ifdef CONFIG_RDMA
21b8aee8 1556 { .ival = "rdma",
1557 .help = "RDMA IO engine",
1558 },
8200b8c7 1559#endif
67bf9823 1560#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1561 { .ival = "fusion-aw-sync",
1562 .help = "Fusion-io atomic write engine",
1563 },
1ecc95ca 1564#endif
997843cb 1565#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1566 { .ival = "e4defrag",
1567 .help = "ext4 defrag engine",
1568 },
1569#endif
997843cb 1570#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1571 { .ival = "falloc",
1572 .help = "fallocate() file based engine",
1573 },
b8c82a46 1574#endif
a7c386f4 1575#ifdef CONFIG_GFAPI
1576 { .ival = "gfapi",
cc47f094 1577 .help = "Glusterfs libgfapi(sync) based engine"
1578 },
1579 { .ival = "gfapi_async",
1580 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1581 },
1582#endif
1b10477b 1583#ifdef CONFIG_LIBHDFS
b74e419e 1584 { .ival = "libhdfs",
1b10477b
MM		 1585 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1586 },
1587#endif
214e1eca
JA		 1588 { .ival = "external",
1589 .help = "Load external engine (append name)",
1590 },
1591 },
1592 },
1593 {
1594 .name = "iodepth",
e8b0e958 1595 .lname = "IO Depth",
214e1eca
JA		 1596 .type = FIO_OPT_INT,
1597 .off1 = td_var_offset(iodepth),
03e20d68 1598 .help = "Number of IO buffers to keep in flight",
757aff4f 1599 .minval = 1,
20eb06bd 1600 .interval = 1,
214e1eca 1601 .def = "1",
e8b0e958 1602 .category = FIO_OPT_C_IO,
0626037e 1603 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1604 },
1605 {
1606 .name = "iodepth_batch",
e8b0e958 1607 .lname = "IO Depth batch",
4950421a 1608 .alias = "iodepth_batch_submit",
214e1eca
JA		 1609 .type = FIO_OPT_INT,
1610 .off1 = td_var_offset(iodepth_batch),
d65db441 1611 .help = "Number of IO buffers to submit in one go",
afdf9352 1612 .parent = "iodepth",
d71c154c 1613 .hide = 1,
a2e6f8ac 1614 .minval = 1,
20eb06bd 1615 .interval = 1,
a2e6f8ac 1616 .def = "1",
e8b0e958 1617 .category = FIO_OPT_C_IO,
0626037e 1618 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1619 },
1620 {
1621 .name = "iodepth_batch_complete",
e8b0e958 1622 .lname = "IO Depth batch complete",
4950421a
JA		 1623 .type = FIO_OPT_INT,
1624 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1625 .help = "Number of IO buffers to retrieve in one go",
4950421a 1626 .parent = "iodepth",
d71c154c 1627 .hide = 1,
4950421a 1628 .minval = 0,
20eb06bd 1629 .interval = 1,
4950421a 1630 .def = "1",
e8b0e958 1631 .category = FIO_OPT_C_IO,
0626037e 1632 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1633 },
1634 {
1635 .name = "iodepth_low",
e8b0e958 1636 .lname = "IO Depth batch low",
214e1eca
JA		 1637 .type = FIO_OPT_INT,
1638 .off1 = td_var_offset(iodepth_low),
1639 .help = "Low water mark for queuing depth",
afdf9352 1640 .parent = "iodepth",
d71c154c 1641 .hide = 1,
20eb06bd 1642 .interval = 1,
e8b0e958 1643 .category = FIO_OPT_C_IO,
0626037e 1644 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1645 },
1646 {
1647 .name = "size",
e8b0e958 1648 .lname = "Size",
214e1eca 1649 .type = FIO_OPT_STR_VAL,
7bb59102 1650 .cb = str_size_cb,
214e1eca 1651 .help = "Total size of device or files",
20eb06bd 1652 .interval = 1024 * 1024,
e8b0e958
JA		 1653 .category = FIO_OPT_C_IO,
1654 .group = FIO_OPT_G_INVALID,
214e1eca 1655 },
77731b29
JA		 1656 {
1657 .name = "io_limit",
1658 .lname = "IO Limit",
1659 .type = FIO_OPT_STR_VAL,
1660 .off1 = td_var_offset(io_limit),
1661 .interval = 1024 * 1024,
1662 .category = FIO_OPT_C_IO,
1663 .group = FIO_OPT_G_INVALID,
1664 },
aa31f1f1
SL		 1665 {
1666 .name = "fill_device",
e8b0e958 1667 .lname = "Fill device",
74586c1e 1668 .alias = "fill_fs",
aa31f1f1
SL		 1669 .type = FIO_OPT_BOOL,
1670 .off1 = td_var_offset(fill_device),
1671 .help = "Write until an ENOSPC error occurs",
1672 .def = "0",
e8b0e958
JA		 1673 .category = FIO_OPT_C_FILE,
1674 .group = FIO_OPT_G_INVALID,
aa31f1f1 1675 },
214e1eca
JA		 1676 {
1677 .name = "filesize",
e8b0e958 1678 .lname = "File size",
214e1eca
JA		 1679 .type = FIO_OPT_STR_VAL,
1680 .off1 = td_var_offset(file_size_low),
1681 .off2 = td_var_offset(file_size_high),
c3edbdba 1682 .minval = 1,
214e1eca 1683 .help = "Size of individual files",
20eb06bd 1684 .interval = 1024 * 1024,
e8b0e958
JA		 1685 .category = FIO_OPT_C_FILE,
1686 .group = FIO_OPT_G_INVALID,
214e1eca 1687 },
bedc9dc2
JA		 1688 {
1689 .name = "file_append",
1690 .lname = "File append",
1691 .type = FIO_OPT_BOOL,
1692 .off1 = td_var_offset(file_append),
1693 .help = "IO will start at the end of the file(s)",
1694 .def = "0",
1695 .category = FIO_OPT_C_FILE,
1696 .group = FIO_OPT_G_INVALID,
1697 },
67a1000f
JA		 1698 {
1699 .name = "offset",
e8b0e958 1700 .lname = "IO offset",
67a1000f
JA		 1701 .alias = "fileoffset",
1702 .type = FIO_OPT_STR_VAL,
1703 .off1 = td_var_offset(start_offset),
1704 .help = "Start IO from this offset",
1705 .def = "0",
20eb06bd 1706 .interval = 1024 * 1024,
e8b0e958
JA		 1707 .category = FIO_OPT_C_IO,
1708 .group = FIO_OPT_G_INVALID,
67a1000f 1709 },
2d7cd868
JA		 1710 {
1711 .name = "offset_increment",
e8b0e958 1712 .lname = "IO offset increment",
2d7cd868
JA		 1713 .type = FIO_OPT_STR_VAL,
1714 .off1 = td_var_offset(offset_increment),
1715 .help = "What is the increment from one offset to the next",
1716 .parent = "offset",
d71c154c 1717 .hide = 1,
2d7cd868 1718 .def = "0",
20eb06bd 1719 .interval = 1024 * 1024,
e8b0e958
JA		 1720 .category = FIO_OPT_C_IO,
1721 .group = FIO_OPT_G_INVALID,
2d7cd868 1722 },
ddf24e42
JA		 1723 {
1724 .name = "number_ios",
1725 .lname = "Number of IOs to perform",
1726 .type = FIO_OPT_STR_VAL,
1727 .off1 = td_var_offset(number_ios),
1728 .help = "Force job completion of this number of IOs",
1729 .def = "0",
1730 .category = FIO_OPT_C_IO,
1731 .group = FIO_OPT_G_INVALID,
1732 },
214e1eca
JA		 1733 {
1734 .name = "bs",
e8b0e958 1735 .lname = "Block size",
d3aad8f2 1736 .alias = "blocksize",
e01b22b8 1737 .type = FIO_OPT_INT,
214e1eca
JA		 1738 .off1 = td_var_offset(bs[DDIR_READ]),
1739 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1740 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1741 .minval = 1,
214e1eca
JA		 1742 .help = "Block size unit",
1743 .def = "4k",
67a1000f 1744 .parent = "rw",
d71c154c 1745 .hide = 1,
20eb06bd 1746 .interval = 512,
e8b0e958
JA		 1747 .category = FIO_OPT_C_IO,
1748 .group = FIO_OPT_G_INVALID,
214e1eca 1749 },
2b7a01d0
JA		 1750 {
1751 .name = "ba",
e8b0e958 1752 .lname = "Block size align",
2b7a01d0 1753 .alias = "blockalign",
e01b22b8 1754 .type = FIO_OPT_INT,
2b7a01d0
JA		 1755 .off1 = td_var_offset(ba[DDIR_READ]),
1756 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1757 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1758 .minval = 1,
1759 .help = "IO block offset alignment",
1760 .parent = "rw",
d71c154c 1761 .hide = 1,
20eb06bd 1762 .interval = 512,
e8b0e958
JA		 1763 .category = FIO_OPT_C_IO,
1764 .group = FIO_OPT_G_INVALID,
2b7a01d0 1765 },
214e1eca
JA		 1766 {
1767 .name = "bsrange",
e8b0e958 1768 .lname = "Block size range",
d3aad8f2 1769 .alias = "blocksize_range",
214e1eca
JA		 1770 .type = FIO_OPT_RANGE,
1771 .off1 = td_var_offset(min_bs[DDIR_READ]),
1772 .off2 = td_var_offset(max_bs[DDIR_READ]),
1773 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1774 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1775 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1776 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1777 .minval = 1,
214e1eca 1778 .help = "Set block size range (in more detail than bs)",
67a1000f 1779 .parent = "rw",
d71c154c 1780 .hide = 1,
20eb06bd 1781 .interval = 4096,
e8b0e958
JA		 1782 .category = FIO_OPT_C_IO,
1783 .group = FIO_OPT_G_INVALID,
214e1eca 1784 },
564ca972
JA		 1785 {
1786 .name = "bssplit",
e8b0e958 1787 .lname = "Block size split",
564ca972
JA		 1788 .type = FIO_OPT_STR,
1789 .cb = str_bssplit_cb,
1790 .help = "Set a specific mix of block sizes",
1791 .parent = "rw",
d71c154c 1792 .hide = 1,
e8b0e958
JA		 1793 .category = FIO_OPT_C_IO,
1794 .group = FIO_OPT_G_INVALID,
564ca972 1795 },
214e1eca
JA		 1796 {
1797 .name = "bs_unaligned",
e8b0e958 1798 .lname = "Block size unaligned",
d3aad8f2 1799 .alias = "blocksize_unaligned",
214e1eca
JA		 1800 .type = FIO_OPT_STR_SET,
1801 .off1 = td_var_offset(bs_unaligned),
1802 .help = "Don't sector align IO buffer sizes",
67a1000f 1803 .parent = "rw",
d71c154c 1804 .hide = 1,
e8b0e958
JA		 1805 .category = FIO_OPT_C_IO,
1806 .group = FIO_OPT_G_INVALID,
214e1eca 1807 },
6aca9b3d
JA		 1808 {
1809 .name = "bs_is_seq_rand",
1810 .lname = "Block size division is seq/random (not read/write)",
1811 .type = FIO_OPT_BOOL,
1812 .off1 = td_var_offset(bs_is_seq_rand),
1813 .help = "Consider any blocksize setting to be sequential,ramdom",
1814 .def = "0",
1815 .parent = "blocksize",
1816 .category = FIO_OPT_C_IO,
1817 .group = FIO_OPT_G_INVALID,
1818 },
214e1eca
JA		 1819 {
1820 .name = "randrepeat",
e8b0e958 1821 .lname = "Random repeatable",
214e1eca
JA		 1822 .type = FIO_OPT_BOOL,
1823 .off1 = td_var_offset(rand_repeatable),
1824 .help = "Use repeatable random IO pattern",
1825 .def = "1",
67a1000f 1826 .parent = "rw",
d71c154c 1827 .hide = 1,
e8b0e958 1828 .category = FIO_OPT_C_IO,
3ceb458f 1829 .group = FIO_OPT_G_RANDOM,
214e1eca 1830 },
04778baf
JA		 1831 {
1832 .name = "randseed",
1833 .lname = "The random generator seed",
363cffa7 1834 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1835 .off1 = td_var_offset(rand_seed),
1836 .help = "Set the random generator seed value",
1837 .parent = "rw",
1838 .category = FIO_OPT_C_IO,
1839 .group = FIO_OPT_G_RANDOM,
1840 },
2615cc4b
JA		 1841 {
1842 .name = "use_os_rand",
e8b0e958 1843 .lname = "Use OS random",
2615cc4b
JA		 1844 .type = FIO_OPT_BOOL,
1845 .off1 = td_var_offset(use_os_rand),
1846 .help = "Set to use OS random generator",
1847 .def = "0",
1848 .parent = "rw",
d71c154c 1849 .hide = 1,
e8b0e958 1850 .category = FIO_OPT_C_IO,
3ceb458f 1851 .group = FIO_OPT_G_RANDOM,
2615cc4b 1852 },
214e1eca
JA		 1853 {
1854 .name = "norandommap",
e8b0e958 1855 .lname = "No randommap",
214e1eca
JA		 1856 .type = FIO_OPT_STR_SET,
1857 .off1 = td_var_offset(norandommap),
1858 .help = "Accept potential duplicate random blocks",
67a1000f 1859 .parent = "rw",
d71c154c 1860 .hide = 1,
b2452a43 1861 .hide_on_set = 1,
e8b0e958 1862 .category = FIO_OPT_C_IO,
3ceb458f 1863 .group = FIO_OPT_G_RANDOM,
214e1eca 1864 },
2b386d25
JA		 1865 {
1866 .name = "softrandommap",
e8b0e958 1867 .lname = "Soft randommap",
2b386d25
JA		 1868 .type = FIO_OPT_BOOL,
1869 .off1 = td_var_offset(softrandommap),
f66ab3c8 1870 .help = "Set norandommap if randommap allocation fails",
2b386d25 1871 .parent = "norandommap",
d71c154c 1872 .hide = 1,
2b386d25 1873 .def = "0",
e8b0e958 1874 .category = FIO_OPT_C_IO,
3ceb458f 1875 .group = FIO_OPT_G_RANDOM,
2b386d25 1876 },
8055e41d
JA		 1877 {
1878 .name = "random_generator",
1879 .type = FIO_OPT_STR,
1880 .off1 = td_var_offset(random_generator),
1881 .help = "Type of random number generator to use",
1882 .def = "tausworthe",
1883 .posval = {
1884 { .ival = "tausworthe",
1885 .oval = FIO_RAND_GEN_TAUSWORTHE,
1886 .help = "Strong Tausworthe generator",
1887 },
1888 { .ival = "lfsr",
1889 .oval = FIO_RAND_GEN_LFSR,
1890 .help = "Variable length LFSR",
1891 },
1892 },
48107598
JA		 1893 .category = FIO_OPT_C_IO,
1894 .group = FIO_OPT_G_RANDOM,
8055e41d 1895 },
e25839d4
JA		 1896 {
1897 .name = "random_distribution",
1898 .type = FIO_OPT_STR,
1899 .off1 = td_var_offset(random_distribution),
1900 .cb = str_random_distribution_cb,
1901 .help = "Random offset distribution generator",
1902 .def = "random",
1903 .posval = {
1904 { .ival = "random",
1905 .oval = FIO_RAND_DIST_RANDOM,
1906 .help = "Completely random",
1907 },
1908 { .ival = "zipf",
1909 .oval = FIO_RAND_DIST_ZIPF,
1910 .help = "Zipf distribution",
1911 },
925fee33
JA		 1912 { .ival = "pareto",
1913 .oval = FIO_RAND_DIST_PARETO,
1914 .help = "Pareto distribution",
1915 },
e25839d4 1916 },
48107598
JA		 1917 .category = FIO_OPT_C_IO,
1918 .group = FIO_OPT_G_RANDOM,
e25839d4 1919 },
211c9b89
JA		 1920 {
1921 .name = "percentage_random",
1922 .lname = "Percentage Random",
1923 .type = FIO_OPT_INT,
d9472271
JA		 1924 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1925 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1926 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1927 .maxval = 100,
1928 .help = "Percentage of seq/random mix that should be random",
d9472271 1929 .def = "100,100,100",
211c9b89
JA		 1930 .interval = 5,
1931 .inverse = "percentage_sequential",
1932 .category = FIO_OPT_C_IO,
1933 .group = FIO_OPT_G_RANDOM,
1934 },
1935 {
1936 .name = "percentage_sequential",
1937 .lname = "Percentage Sequential",
d9472271 1938 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1939 .category = FIO_OPT_C_IO,
1940 .group = FIO_OPT_G_RANDOM,
1941 },
56e2a5fc
CE		 1942 {
1943 .name = "allrandrepeat",
1944 .type = FIO_OPT_BOOL,
1945 .off1 = td_var_offset(allrand_repeatable),
1946 .help = "Use repeatable random numbers for everything",
1947 .def = "0",
a869d9c6
JA		 1948 .category = FIO_OPT_C_IO,
1949 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1950 },
214e1eca
JA		 1951 {
1952 .name = "nrfiles",
e8b0e958 1953 .lname = "Number of files",
d7c8be03 1954 .alias = "nr_files",
214e1eca
JA		 1955 .type = FIO_OPT_INT,
1956 .off1 = td_var_offset(nr_files),
1957 .help = "Split job workload between this number of files",
1958 .def = "1",
20eb06bd 1959 .interval = 1,
e8b0e958
JA		 1960 .category = FIO_OPT_C_FILE,
1961 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1962 },
1963 {
1964 .name = "openfiles",
e8b0e958 1965 .lname = "Number of open files",
214e1eca
JA		 1966 .type = FIO_OPT_INT,
1967 .off1 = td_var_offset(open_files),
1968 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1969 .category = FIO_OPT_C_FILE,
1970 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1971 },
1972 {
1973 .name = "file_service_type",
e8b0e958 1974 .lname = "File service type",
214e1eca
JA		 1975 .type = FIO_OPT_STR,
1976 .cb = str_fst_cb,
1977 .off1 = td_var_offset(file_service_type),
1978 .help = "How to select which file to service next",
1979 .def = "roundrobin",
e8b0e958
JA		 1980 .category = FIO_OPT_C_FILE,
1981 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1982 .posval = {
1983 { .ival = "random",
1984 .oval = FIO_FSERVICE_RANDOM,
1985 .help = "Choose a file at random",
1986 },
1987 { .ival = "roundrobin",
1988 .oval = FIO_FSERVICE_RR,
1989 .help = "Round robin select files",
1990 },
a086c257
JA		 1991 { .ival = "sequential",
1992 .oval = FIO_FSERVICE_SEQ,
1993 .help = "Finish one file before moving to the next",
1994 },
214e1eca 1995 },
67a1000f 1996 .parent = "nrfiles",
d71c154c 1997 .hide = 1,
67a1000f 1998 },
97ac992c 1999#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2000 {
2001 .name = "fallocate",
e8b0e958 2002 .lname = "Fallocate",
a596f047
EG		 2003 .type = FIO_OPT_STR,
2004 .off1 = td_var_offset(fallocate_mode),
2005 .help = "Whether pre-allocation is performed when laying out files",
2006 .def = "posix",
e8b0e958
JA		 2007 .category = FIO_OPT_C_FILE,
2008 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2009 .posval = {
2010 { .ival = "none",
2011 .oval = FIO_FALLOCATE_NONE,
2012 .help = "Do not pre-allocate space",
2013 },
2014 { .ival = "posix",
2015 .oval = FIO_FALLOCATE_POSIX,
2016 .help = "Use posix_fallocate()",
2017 },
97ac992c 2018#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2019 { .ival = "keep",
2020 .oval = FIO_FALLOCATE_KEEP_SIZE,
2021 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2022 },
7bc8c2cf 2023#endif
a596f047
EG		 2024 /* Compatibility with former boolean values */
2025 { .ival = "0",
2026 .oval = FIO_FALLOCATE_NONE,
2027 .help = "Alias for 'none'",
2028 },
2029 { .ival = "1",
2030 .oval = FIO_FALLOCATE_POSIX,
2031 .help = "Alias for 'posix'",
2032 },
2033 },
2034 },
97ac992c 2035#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2036 {
2037 .name = "fadvise_hint",
e8b0e958 2038 .lname = "Fadvise hint",
67a1000f
JA		 2039 .type = FIO_OPT_BOOL,
2040 .off1 = td_var_offset(fadvise_hint),
2041 .help = "Use fadvise() to advise the kernel on IO pattern",
2042 .def = "1",
e8b0e958
JA		 2043 .category = FIO_OPT_C_FILE,
2044 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2045 },
2046 {
2047 .name = "fsync",
e8b0e958 2048 .lname = "Fsync",
214e1eca
JA		 2049 .type = FIO_OPT_INT,
2050 .off1 = td_var_offset(fsync_blocks),
2051 .help = "Issue fsync for writes every given number of blocks",
2052 .def = "0",
20eb06bd 2053 .interval = 1,
e8b0e958
JA		 2054 .category = FIO_OPT_C_FILE,
2055 .group = FIO_OPT_G_INVALID,
214e1eca 2056 },
5f9099ea
JA		 2057 {
2058 .name = "fdatasync",
e8b0e958 2059 .lname = "Fdatasync",
5f9099ea
JA		 2060 .type = FIO_OPT_INT,
2061 .off1 = td_var_offset(fdatasync_blocks),
2062 .help = "Issue fdatasync for writes every given number of blocks",
2063 .def = "0",
20eb06bd 2064 .interval = 1,
e8b0e958
JA		 2065 .category = FIO_OPT_C_FILE,
2066 .group = FIO_OPT_G_INVALID,
5f9099ea 2067 },
1ef2b6be
JA		 2068 {
2069 .name = "write_barrier",
e8b0e958 2070 .lname = "Write barrier",
1ef2b6be
JA		 2071 .type = FIO_OPT_INT,
2072 .off1 = td_var_offset(barrier_blocks),
2073 .help = "Make every Nth write a barrier write",
2074 .def = "0",
20eb06bd 2075 .interval = 1,
e8b0e958
JA		 2076 .category = FIO_OPT_C_IO,
2077 .group = FIO_OPT_G_INVALID,
1ef2b6be 2078 },
67bf9823 2079#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2080 {
2081 .name = "sync_file_range",
e8b0e958 2082 .lname = "Sync file range",
44f29692
JA		 2083 .posval = {
2084 { .ival = "wait_before",
2085 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2086 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2087 .orval = 1,
44f29692
JA		 2088 },
2089 { .ival = "write",
2090 .oval = SYNC_FILE_RANGE_WRITE,
2091 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2092 .orval = 1,
44f29692
JA		 2093 },
2094 {
2095 .ival = "wait_after",
2096 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2097 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2098 .orval = 1,
44f29692
JA		 2099 },
2100 },
3843deb3 2101 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2102 .cb = str_sfr_cb,
2103 .off1 = td_var_offset(sync_file_range),
2104 .help = "Use sync_file_range()",
e8b0e958
JA		 2105 .category = FIO_OPT_C_FILE,
2106 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2107 },
2108#endif
214e1eca
JA		 2109 {
2110 .name = "direct",
e8b0e958 2111 .lname = "Direct I/O",
214e1eca
JA		 2112 .type = FIO_OPT_BOOL,
2113 .off1 = td_var_offset(odirect),
2114 .help = "Use O_DIRECT IO (negates buffered)",
2115 .def = "0",
a01a1bc5 2116 .inverse = "buffered",
e8b0e958 2117 .category = FIO_OPT_C_IO,
3ceb458f 2118 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2119 },
d01612f3
CM		 2120 {
2121 .name = "atomic",
2122 .lname = "Atomic I/O",
2123 .type = FIO_OPT_BOOL,
2124 .off1 = td_var_offset(oatomic),
2125 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2126 .def = "0",
2127 .category = FIO_OPT_C_IO,
2128 .group = FIO_OPT_G_IO_TYPE,
2129 },
214e1eca
JA		 2130 {
2131 .name = "buffered",
e8b0e958 2132 .lname = "Buffered I/O",
214e1eca
JA		 2133 .type = FIO_OPT_BOOL,
2134 .off1 = td_var_offset(odirect),
2135 .neg = 1,
2136 .help = "Use buffered IO (negates direct)",
2137 .def = "1",
a01a1bc5 2138 .inverse = "direct",
e8b0e958 2139 .category = FIO_OPT_C_IO,
3ceb458f 2140 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2141 },
2142 {
2143 .name = "overwrite",
e8b0e958 2144 .lname = "Overwrite",
214e1eca
JA		 2145 .type = FIO_OPT_BOOL,
2146 .off1 = td_var_offset(overwrite),
2147 .help = "When writing, set whether to overwrite current data",
2148 .def = "0",
e8b0e958
JA		 2149 .category = FIO_OPT_C_FILE,
2150 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2151 },
2152 {
2153 .name = "loops",
e8b0e958 2154 .lname = "Loops",
214e1eca
JA		 2155 .type = FIO_OPT_INT,
2156 .off1 = td_var_offset(loops),
2157 .help = "Number of times to run the job",
2158 .def = "1",
20eb06bd 2159 .interval = 1,
e8b0e958 2160 .category = FIO_OPT_C_GENERAL,
a1f6afec 2161 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2162 },
2163 {
2164 .name = "numjobs",
e8b0e958 2165 .lname = "Number of jobs",
214e1eca
JA		 2166 .type = FIO_OPT_INT,
2167 .off1 = td_var_offset(numjobs),
2168 .help = "Duplicate this job this many times",
2169 .def = "1",
20eb06bd 2170 .interval = 1,
e8b0e958 2171 .category = FIO_OPT_C_GENERAL,
a1f6afec 2172 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2173 },
2174 {
2175 .name = "startdelay",
e8b0e958 2176 .lname = "Start delay",
a5737c93 2177 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2178 .off1 = td_var_offset(start_delay),
23ed19b0 2179 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2180 .help = "Only start job when this period has passed",
2181 .def = "0",
0de5b26f 2182 .is_seconds = 1,
e8b0e958 2183 .category = FIO_OPT_C_GENERAL,
a1f6afec 2184 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2185 },
2186 {
2187 .name = "runtime",
e8b0e958 2188 .lname = "Runtime",
214e1eca
JA		 2189 .alias = "timeout",
2190 .type = FIO_OPT_STR_VAL_TIME,
2191 .off1 = td_var_offset(timeout),
2192 .help = "Stop workload when this amount of time has passed",
2193 .def = "0",
0de5b26f 2194 .is_seconds = 1,
e8b0e958 2195 .category = FIO_OPT_C_GENERAL,
a1f6afec 2196 .group = FIO_OPT_G_RUNTIME,
214e1eca 2197 },
cf4464ca
JA		 2198 {
2199 .name = "time_based",
e8b0e958 2200 .lname = "Time based",
cf4464ca
JA		 2201 .type = FIO_OPT_STR_SET,
2202 .off1 = td_var_offset(time_based),
2203 .help = "Keep running until runtime/timeout is met",
e8b0e958 2204 .category = FIO_OPT_C_GENERAL,
a1f6afec 2205 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2206 },
62167762
JC		 2207 {
2208 .name = "verify_only",
2209 .lname = "Verify only",
2210 .type = FIO_OPT_STR_SET,
2211 .off1 = td_var_offset(verify_only),
2212 .help = "Verifies previously written data is still valid",
2213 .category = FIO_OPT_C_GENERAL,
2214 .group = FIO_OPT_G_RUNTIME,
2215 },
721938ae
JA		 2216 {
2217 .name = "ramp_time",
e8b0e958 2218 .lname = "Ramp time",
721938ae
JA		 2219 .type = FIO_OPT_STR_VAL_TIME,
2220 .off1 = td_var_offset(ramp_time),
2221 .help = "Ramp up time before measuring performance",
0de5b26f 2222 .is_seconds = 1,
e8b0e958 2223 .category = FIO_OPT_C_GENERAL,
a1f6afec 2224 .group = FIO_OPT_G_RUNTIME,
721938ae 2225 },
c223da83
JA		 2226 {
2227 .name = "clocksource",
e8b0e958 2228 .lname = "Clock source",
c223da83
JA		 2229 .type = FIO_OPT_STR,
2230 .cb = fio_clock_source_cb,
2231 .off1 = td_var_offset(clocksource),
2232 .help = "What type of timing source to use",
e8b0e958 2233 .category = FIO_OPT_C_GENERAL,
10860056 2234 .group = FIO_OPT_G_CLOCK,
c223da83 2235 .posval = {
67bf9823 2236#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2237 { .ival = "gettimeofday",
2238 .oval = CS_GTOD,
2239 .help = "Use gettimeofday(2) for timing",
2240 },
67bf9823
JA		 2241#endif
2242#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2243 { .ival = "clock_gettime",
2244 .oval = CS_CGETTIME,
2245 .help = "Use clock_gettime(2) for timing",
2246 },
67bf9823 2247#endif
c223da83
JA		 2248#ifdef ARCH_HAVE_CPU_CLOCK
2249 { .ival = "cpu",
2250 .oval = CS_CPUCLOCK,
2251 .help = "Use CPU private clock",
2252 },
2253#endif
2254 },
2255 },
214e1eca
JA		 2256 {
2257 .name = "mem",
d3aad8f2 2258 .alias = "iomem",
e8b0e958 2259 .lname = "I/O Memory",
214e1eca
JA		 2260 .type = FIO_OPT_STR,
2261 .cb = str_mem_cb,
2262 .off1 = td_var_offset(mem_type),
2263 .help = "Backing type for IO buffers",
2264 .def = "malloc",
e8b0e958
JA		 2265 .category = FIO_OPT_C_IO,
2266 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2267 .posval = {
2268 { .ival = "malloc",
2269 .oval = MEM_MALLOC,
2270 .help = "Use malloc(3) for IO buffers",
2271 },
c8931876 2272#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2273 { .ival = "shm",
2274 .oval = MEM_SHM,
2275 .help = "Use shared memory segments for IO buffers",
2276 },
214e1eca
JA		 2277#ifdef FIO_HAVE_HUGETLB
2278 { .ival = "shmhuge",
2279 .oval = MEM_SHMHUGE,
2280 .help = "Like shm, but use huge pages",
2281 },
c8931876 2282#endif
b370e46a 2283#endif
37c8cdfe
JA		 2284 { .ival = "mmap",
2285 .oval = MEM_MMAP,
2286 .help = "Use mmap(2) (file or anon) for IO buffers",
2287 },
214e1eca
JA		 2288#ifdef FIO_HAVE_HUGETLB
2289 { .ival = "mmaphuge",
2290 .oval = MEM_MMAPHUGE,
2291 .help = "Like mmap, but use huge pages",
2292 },
2293#endif
2294 },
2295 },
d529ee19
JA		 2296 {
2297 .name = "iomem_align",
2298 .alias = "mem_align",
e8b0e958 2299 .lname = "I/O memory alignment",
d529ee19
JA		 2300 .type = FIO_OPT_INT,
2301 .off1 = td_var_offset(mem_align),
2302 .minval = 0,
2303 .help = "IO memory buffer offset alignment",
2304 .def = "0",
2305 .parent = "iomem",
d71c154c 2306 .hide = 1,
e8b0e958
JA		 2307 .category = FIO_OPT_C_IO,
2308 .group = FIO_OPT_G_INVALID,
d529ee19 2309 },
214e1eca
JA		 2310 {
2311 .name = "verify",
e8b0e958 2312 .lname = "Verify",
214e1eca
JA		 2313 .type = FIO_OPT_STR,
2314 .off1 = td_var_offset(verify),
2315 .help = "Verify data written",
2316 .def = "0",
e8b0e958 2317 .category = FIO_OPT_C_IO,
3ceb458f 2318 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2319 .posval = {
2320 { .ival = "0",
2321 .oval = VERIFY_NONE,
2322 .help = "Don't do IO verification",
2323 },
fcca4b58
JA		 2324 { .ival = "md5",
2325 .oval = VERIFY_MD5,
2326 .help = "Use md5 checksums for verification",
2327 },
d77a7af3
JA		 2328 { .ival = "crc64",
2329 .oval = VERIFY_CRC64,
2330 .help = "Use crc64 checksums for verification",
2331 },
214e1eca
JA		 2332 { .ival = "crc32",
2333 .oval = VERIFY_CRC32,
2334 .help = "Use crc32 checksums for verification",
2335 },
af497e6a 2336 { .ival = "crc32c-intel",
e3aaafc4
JA		 2337 .oval = VERIFY_CRC32C,
2338 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2339 },
bac39e0e
JA		 2340 { .ival = "crc32c",
2341 .oval = VERIFY_CRC32C,
e3aaafc4 2342 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2343 },
969f7ed3
JA		 2344 { .ival = "crc16",
2345 .oval = VERIFY_CRC16,
2346 .help = "Use crc16 checksums for verification",
2347 },
1e154bdb
JA		 2348 { .ival = "crc7",
2349 .oval = VERIFY_CRC7,
2350 .help = "Use crc7 checksums for verification",
2351 },
7c353ceb
JA		 2352 { .ival = "sha1",
2353 .oval = VERIFY_SHA1,
2354 .help = "Use sha1 checksums for verification",
2355 },
cd14cc10
JA		 2356 { .ival = "sha256",
2357 .oval = VERIFY_SHA256,
2358 .help = "Use sha256 checksums for verification",
2359 },
2360 { .ival = "sha512",
2361 .oval = VERIFY_SHA512,
2362 .help = "Use sha512 checksums for verification",
2363 },
844ea602
JA		 2364 { .ival = "xxhash",
2365 .oval = VERIFY_XXHASH,
2366 .help = "Use xxhash checksums for verification",
2367 },
7437ee87
SL		 2368 { .ival = "meta",
2369 .oval = VERIFY_META,
2370 .help = "Use io information",
2371 },
36690c9b
JA		 2372 {
2373 .ival = "null",
2374 .oval = VERIFY_NULL,
2375 .help = "Pretend to verify",
2376 },
214e1eca
JA		 2377 },
2378 },
005c565a
JA		 2379 {
2380 .name = "do_verify",
e8b0e958 2381 .lname = "Perform verify step",
68e1f29a 2382 .type = FIO_OPT_BOOL,
005c565a
JA		 2383 .off1 = td_var_offset(do_verify),
2384 .help = "Run verification stage after write",
2385 .def = "1",
2386 .parent = "verify",
d71c154c 2387 .hide = 1,
e8b0e958
JA		 2388 .category = FIO_OPT_C_IO,
2389 .group = FIO_OPT_G_VERIFY,
005c565a 2390 },
160b966d
JA		 2391 {
2392 .name = "verifysort",
e8b0e958 2393 .lname = "Verify sort",
160b966d
JA		 2394 .type = FIO_OPT_BOOL,
2395 .off1 = td_var_offset(verifysort),
2396 .help = "Sort written verify blocks for read back",
2397 .def = "1",
c83f2df1 2398 .parent = "verify",
d71c154c 2399 .hide = 1,
e8b0e958
JA		 2400 .category = FIO_OPT_C_IO,
2401 .group = FIO_OPT_G_VERIFY,
160b966d 2402 },
1ae83d45
JA		 2403 {
2404 .name = "verifysort_nr",
2405 .type = FIO_OPT_INT,
2406 .off1 = td_var_offset(verifysort_nr),
2407 .help = "Pre-load and sort verify blocks for a read workload",
2408 .minval = 0,
2409 .maxval = 131072,
2410 .def = "1024",
2411 .parent = "verify",
836fcc0f
JA		 2412 .category = FIO_OPT_C_IO,
2413 .group = FIO_OPT_G_VERIFY,
1ae83d45 2414 },
3f9f4e26 2415 {
a59e170d 2416 .name = "verify_interval",
e8b0e958 2417 .lname = "Verify interval",
e01b22b8 2418 .type = FIO_OPT_INT,
a59e170d 2419 .off1 = td_var_offset(verify_interval),
819a9680 2420 .minval = 2 * sizeof(struct verify_header),
a59e170d 2421 .help = "Store verify buffer header every N bytes",
afdf9352 2422 .parent = "verify",
d71c154c 2423 .hide = 1,
20eb06bd 2424 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2425 .category = FIO_OPT_C_IO,
2426 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2427 },
546a9142 2428 {
a59e170d 2429 .name = "verify_offset",
e8b0e958 2430 .lname = "Verify offset",
e01b22b8 2431 .type = FIO_OPT_INT,
a59e170d 2432 .help = "Offset verify header location by N bytes",
203160d5
JA		 2433 .off1 = td_var_offset(verify_offset),
2434 .minval = sizeof(struct verify_header),
afdf9352 2435 .parent = "verify",
d71c154c 2436 .hide = 1,
e8b0e958
JA		 2437 .category = FIO_OPT_C_IO,
2438 .group = FIO_OPT_G_VERIFY,
546a9142 2439 },
e28218f3
SL		 2440 {
2441 .name = "verify_pattern",
e8b0e958 2442 .lname = "Verify pattern",
0e92f873 2443 .type = FIO_OPT_STR,
e28218f3
SL		 2444 .cb = str_verify_pattern_cb,
2445 .help = "Fill pattern for IO buffers",
2446 .parent = "verify",
d71c154c 2447 .hide = 1,
e8b0e958
JA		 2448 .category = FIO_OPT_C_IO,
2449 .group = FIO_OPT_G_VERIFY,
e28218f3 2450 },
a12a3b4d
JA		 2451 {
2452 .name = "verify_fatal",
e8b0e958 2453 .lname = "Verify fatal",
68e1f29a 2454 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2455 .off1 = td_var_offset(verify_fatal),
2456 .def = "0",
2457 .help = "Exit on a single verify failure, don't continue",
2458 .parent = "verify",
d71c154c 2459 .hide = 1,
e8b0e958
JA		 2460 .category = FIO_OPT_C_IO,
2461 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2462 },
b463e936
JA		 2463 {
2464 .name = "verify_dump",
e8b0e958 2465 .lname = "Verify dump",
b463e936
JA		 2466 .type = FIO_OPT_BOOL,
2467 .off1 = td_var_offset(verify_dump),
ef71e317 2468 .def = "0",
b463e936
JA		 2469 .help = "Dump contents of good and bad blocks on failure",
2470 .parent = "verify",
d71c154c 2471 .hide = 1,
e8b0e958
JA		 2472 .category = FIO_OPT_C_IO,
2473 .group = FIO_OPT_G_VERIFY,
b463e936 2474 },
e8462bd8
JA		 2475 {
2476 .name = "verify_async",
e8b0e958 2477 .lname = "Verify asynchronously",
e8462bd8
JA		 2478 .type = FIO_OPT_INT,
2479 .off1 = td_var_offset(verify_async),
2480 .def = "0",
2481 .help = "Number of async verifier threads to use",
2482 .parent = "verify",
d71c154c 2483 .hide = 1,
e8b0e958
JA		 2484 .category = FIO_OPT_C_IO,
2485 .group = FIO_OPT_G_VERIFY,
e8462bd8 2486 },
9e144189
JA		 2487 {
2488 .name = "verify_backlog",
e8b0e958 2489 .lname = "Verify backlog",
9e144189
JA		 2490 .type = FIO_OPT_STR_VAL,
2491 .off1 = td_var_offset(verify_backlog),
2492 .help = "Verify after this number of blocks are written",
2493 .parent = "verify",
d71c154c 2494 .hide = 1,
e8b0e958
JA		 2495 .category = FIO_OPT_C_IO,
2496 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2497 },
2498 {
2499 .name = "verify_backlog_batch",
e8b0e958 2500 .lname = "Verify backlog batch",
9e144189
JA		 2501 .type = FIO_OPT_INT,
2502 .off1 = td_var_offset(verify_batch),
2503 .help = "Verify this number of IO blocks",
0d29de83 2504 .parent = "verify",
d71c154c 2505 .hide = 1,
e8b0e958
JA		 2506 .category = FIO_OPT_C_IO,
2507 .group = FIO_OPT_G_VERIFY,
9e144189 2508 },
e8462bd8
JA		 2509#ifdef FIO_HAVE_CPU_AFFINITY
2510 {
2511 .name = "verify_async_cpus",
e8b0e958 2512 .lname = "Async verify CPUs",
e8462bd8
JA		 2513 .type = FIO_OPT_STR,
2514 .cb = str_verify_cpus_allowed_cb,
2515 .help = "Set CPUs allowed for async verify threads",
2516 .parent = "verify_async",
d71c154c 2517 .hide = 1,
e8b0e958
JA		 2518 .category = FIO_OPT_C_IO,
2519 .group = FIO_OPT_G_VERIFY,
e8462bd8 2520 },
0d29de83 2521#endif
51aa2da8
JA		 2522 {
2523 .name = "experimental_verify",
2524 .off1 = td_var_offset(experimental_verify),
2525 .type = FIO_OPT_BOOL,
b31eaac9 2526 .help = "Enable experimental verification",
836fcc0f
JA		 2527 .category = FIO_OPT_C_IO,
2528 .group = FIO_OPT_G_VERIFY,
51aa2da8 2529 },
0d29de83
JA		 2530#ifdef FIO_HAVE_TRIM
2531 {
2532 .name = "trim_percentage",
e8b0e958 2533 .lname = "Trim percentage",
0d29de83 2534 .type = FIO_OPT_INT,
203160d5 2535 .off1 = td_var_offset(trim_percentage),
20eb06bd 2536 .minval = 0,
0d29de83
JA		 2537 .maxval = 100,
2538 .help = "Number of verify blocks to discard/trim",
2539 .parent = "verify",
2540 .def = "0",
20eb06bd 2541 .interval = 1,
d71c154c 2542 .hide = 1,
e8b0e958
JA		 2543 .category = FIO_OPT_C_IO,
2544 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2545 },
2546 {
2547 .name = "trim_verify_zero",
e8b0e958 2548 .lname = "Verify trim zero",
20eb06bd 2549 .type = FIO_OPT_BOOL,
0d29de83
JA		 2550 .help = "Verify that trim/discarded blocks are returned as zeroes",
2551 .off1 = td_var_offset(trim_zero),
2552 .parent = "trim_percentage",
d71c154c 2553 .hide = 1,
0d29de83 2554 .def = "1",
e8b0e958
JA		 2555 .category = FIO_OPT_C_IO,
2556 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2557 },
2558 {
2559 .name = "trim_backlog",
e8b0e958 2560 .lname = "Trim backlog",
0d29de83
JA		 2561 .type = FIO_OPT_STR_VAL,
2562 .off1 = td_var_offset(trim_backlog),
2563 .help = "Trim after this number of blocks are written",
2564 .parent = "trim_percentage",
d71c154c 2565 .hide = 1,
20eb06bd 2566 .interval = 1,
e8b0e958
JA		 2567 .category = FIO_OPT_C_IO,
2568 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2569 },
2570 {
2571 .name = "trim_backlog_batch",
e8b0e958 2572 .lname = "Trim backlog batch",
0d29de83
JA		 2573 .type = FIO_OPT_INT,
2574 .off1 = td_var_offset(trim_batch),
2575 .help = "Trim this number of IO blocks",
2576 .parent = "trim_percentage",
d71c154c 2577 .hide = 1,
20eb06bd 2578 .interval = 1,
e8b0e958
JA		 2579 .category = FIO_OPT_C_IO,
2580 .group = FIO_OPT_G_TRIM,
0d29de83 2581 },
e8462bd8 2582#endif
214e1eca
JA		 2583 {
2584 .name = "write_iolog",
e8b0e958 2585 .lname = "Write I/O log",
214e1eca
JA		 2586 .type = FIO_OPT_STR_STORE,
2587 .off1 = td_var_offset(write_iolog_file),
2588 .help = "Store IO pattern to file",
e8b0e958
JA		 2589 .category = FIO_OPT_C_IO,
2590 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2591 },
2592 {
2593 .name = "read_iolog",
e8b0e958 2594 .lname = "Read I/O log",
214e1eca
JA		 2595 .type = FIO_OPT_STR_STORE,
2596 .off1 = td_var_offset(read_iolog_file),
2597 .help = "Playback IO pattern from file",
e8b0e958
JA		 2598 .category = FIO_OPT_C_IO,
2599 .group = FIO_OPT_G_IOLOG,
214e1eca 2600 },
64bbb865
DN		 2601 {
2602 .name = "replay_no_stall",
e8b0e958 2603 .lname = "Don't stall on replay",
20eb06bd 2604 .type = FIO_OPT_BOOL,
64bbb865
DN		 2605 .off1 = td_var_offset(no_stall),
2606 .def = "0",
87e7a972 2607 .parent = "read_iolog",
d71c154c 2608 .hide = 1,
64bbb865 2609 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2610 .category = FIO_OPT_C_IO,
2611 .group = FIO_OPT_G_IOLOG,
64bbb865 2612 },
d1c46c04
DN		 2613 {
2614 .name = "replay_redirect",
e8b0e958 2615 .lname = "Redirect device for replay",
d1c46c04
DN		 2616 .type = FIO_OPT_STR_STORE,
2617 .off1 = td_var_offset(replay_redirect),
2618 .parent = "read_iolog",
d71c154c 2619 .hide = 1,
d1c46c04 2620 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2621 .category = FIO_OPT_C_IO,
2622 .group = FIO_OPT_G_IOLOG,
d1c46c04 2623 },
214e1eca
JA		 2624 {
2625 .name = "exec_prerun",
e8b0e958 2626 .lname = "Pre-execute runnable",
214e1eca
JA		 2627 .type = FIO_OPT_STR_STORE,
2628 .off1 = td_var_offset(exec_prerun),
2629 .help = "Execute this file prior to running job",
e8b0e958
JA		 2630 .category = FIO_OPT_C_GENERAL,
2631 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2632 },
2633 {
2634 .name = "exec_postrun",
e8b0e958 2635 .lname = "Post-execute runnable",
214e1eca
JA		 2636 .type = FIO_OPT_STR_STORE,
2637 .off1 = td_var_offset(exec_postrun),
2638 .help = "Execute this file after running job",
e8b0e958
JA		 2639 .category = FIO_OPT_C_GENERAL,
2640 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2641 },
2642#ifdef FIO_HAVE_IOSCHED_SWITCH
2643 {
2644 .name = "ioscheduler",
e8b0e958 2645 .lname = "I/O scheduler",
214e1eca
JA		 2646 .type = FIO_OPT_STR_STORE,
2647 .off1 = td_var_offset(ioscheduler),
2648 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2649 .category = FIO_OPT_C_FILE,
2650 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2651 },
2652#endif
2653 {
2654 .name = "zonesize",
e8b0e958 2655 .lname = "Zone size",
214e1eca
JA		 2656 .type = FIO_OPT_STR_VAL,
2657 .off1 = td_var_offset(zone_size),
ed335855
SN		 2658 .help = "Amount of data to read per zone",
2659 .def = "0",
20eb06bd 2660 .interval = 1024 * 1024,
e8b0e958
JA		 2661 .category = FIO_OPT_C_IO,
2662 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2663 },
2664 {
2665 .name = "zonerange",
e8b0e958 2666 .lname = "Zone range",
ed335855
SN		 2667 .type = FIO_OPT_STR_VAL,
2668 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2669 .help = "Give size of an IO zone",
2670 .def = "0",
20eb06bd 2671 .interval = 1024 * 1024,
e8b0e958
JA		 2672 .category = FIO_OPT_C_IO,
2673 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2674 },
2675 {
2676 .name = "zoneskip",
e8b0e958 2677 .lname = "Zone skip",
214e1eca
JA		 2678 .type = FIO_OPT_STR_VAL,
2679 .off1 = td_var_offset(zone_skip),
2680 .help = "Space between IO zones",
2681 .def = "0",
20eb06bd 2682 .interval = 1024 * 1024,
e8b0e958
JA		 2683 .category = FIO_OPT_C_IO,
2684 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2685 },
2686 {
2687 .name = "lockmem",
e8b0e958 2688 .lname = "Lock memory",
214e1eca 2689 .type = FIO_OPT_STR_VAL,
1b79a070 2690 .off1 = td_var_offset(lockmem),
81c6b6cd 2691 .help = "Lock down this amount of memory (per worker)",
214e1eca 2692 .def = "0",
20eb06bd 2693 .interval = 1024 * 1024,
e8b0e958
JA		 2694 .category = FIO_OPT_C_GENERAL,
2695 .group = FIO_OPT_G_INVALID,
214e1eca 2696 },
214e1eca
JA		 2697 {
2698 .name = "rwmixread",
e8b0e958 2699 .lname = "Read/write mix read",
214e1eca 2700 .type = FIO_OPT_INT,
cb499fc4 2701 .cb = str_rwmix_read_cb,
214e1eca
JA		 2702 .maxval = 100,
2703 .help = "Percentage of mixed workload that is reads",
2704 .def = "50",
20eb06bd 2705 .interval = 5,
90265353 2706 .inverse = "rwmixwrite",
e8b0e958
JA		 2707 .category = FIO_OPT_C_IO,
2708 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2709 },
2710 {
2711 .name = "rwmixwrite",
e8b0e958 2712 .lname = "Read/write mix write",
214e1eca 2713 .type = FIO_OPT_INT,
cb499fc4 2714 .cb = str_rwmix_write_cb,
214e1eca
JA		 2715 .maxval = 100,
2716 .help = "Percentage of mixed workload that is writes",
2717 .def = "50",
20eb06bd 2718 .interval = 5,
90265353 2719 .inverse = "rwmixread",
e8b0e958
JA		 2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_RWMIX,
214e1eca 2722 },
afdf9352
JA		 2723 {
2724 .name = "rwmixcycle",
e8b0e958 2725 .lname = "Read/write mix cycle",
15ca150e 2726 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2727 .category = FIO_OPT_C_IO,
2728 .group = FIO_OPT_G_RWMIX,
afdf9352 2729 },
214e1eca
JA		 2730 {
2731 .name = "nice",
e8b0e958 2732 .lname = "Nice",
214e1eca
JA		 2733 .type = FIO_OPT_INT,
2734 .off1 = td_var_offset(nice),
2735 .help = "Set job CPU nice value",
2736 .minval = -19,
2737 .maxval = 20,
2738 .def = "0",
20eb06bd 2739 .interval = 1,
e8b0e958 2740 .category = FIO_OPT_C_GENERAL,
10860056 2741 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2742 },
2743#ifdef FIO_HAVE_IOPRIO
2744 {
2745 .name = "prio",
e8b0e958 2746 .lname = "I/O nice priority",
214e1eca 2747 .type = FIO_OPT_INT,
28727df7 2748 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2749 .help = "Set job IO priority value",
2750 .minval = 0,
2751 .maxval = 7,
20eb06bd 2752 .interval = 1,
e8b0e958 2753 .category = FIO_OPT_C_GENERAL,
10860056 2754 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2755 },
2756 {
2757 .name = "prioclass",
e8b0e958 2758 .lname = "I/O nice priority class",
214e1eca 2759 .type = FIO_OPT_INT,
28727df7 2760 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2761 .help = "Set job IO priority class",
2762 .minval = 0,
2763 .maxval = 3,
20eb06bd 2764 .interval = 1,
e8b0e958 2765 .category = FIO_OPT_C_GENERAL,
10860056 2766 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2767 },
2768#endif
2769 {
2770 .name = "thinktime",
e8b0e958 2771 .lname = "Thinktime",
214e1eca
JA		 2772 .type = FIO_OPT_INT,
2773 .off1 = td_var_offset(thinktime),
2774 .help = "Idle time between IO buffers (usec)",
2775 .def = "0",
e8b0e958 2776 .category = FIO_OPT_C_IO,
3ceb458f 2777 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2778 },
2779 {
2780 .name = "thinktime_spin",
e8b0e958 2781 .lname = "Thinktime spin",
214e1eca
JA		 2782 .type = FIO_OPT_INT,
2783 .off1 = td_var_offset(thinktime_spin),
2784 .help = "Start think time by spinning this amount (usec)",
2785 .def = "0",
afdf9352 2786 .parent = "thinktime",
d71c154c 2787 .hide = 1,
e8b0e958 2788 .category = FIO_OPT_C_IO,
3ceb458f 2789 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2790 },
2791 {
2792 .name = "thinktime_blocks",
e8b0e958 2793 .lname = "Thinktime blocks",
214e1eca
JA		 2794 .type = FIO_OPT_INT,
2795 .off1 = td_var_offset(thinktime_blocks),
2796 .help = "IO buffer period between 'thinktime'",
2797 .def = "1",
afdf9352 2798 .parent = "thinktime",
d71c154c 2799 .hide = 1,
e8b0e958 2800 .category = FIO_OPT_C_IO,
3ceb458f 2801 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2802 },
2803 {
2804 .name = "rate",
e8b0e958 2805 .lname = "I/O rate",
e01b22b8 2806 .type = FIO_OPT_INT,
6eaf09d6
SL		 2807 .off1 = td_var_offset(rate[DDIR_READ]),
2808 .off2 = td_var_offset(rate[DDIR_WRITE]),
2809 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2810 .help = "Set bandwidth rate",
e8b0e958
JA		 2811 .category = FIO_OPT_C_IO,
2812 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2813 },
2814 {
2815 .name = "ratemin",
e8b0e958 2816 .lname = "I/O min rate",
e01b22b8 2817 .type = FIO_OPT_INT,
6eaf09d6
SL		 2818 .off1 = td_var_offset(ratemin[DDIR_READ]),
2819 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2820 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2821 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2822 .parent = "rate",
d71c154c 2823 .hide = 1,
e8b0e958
JA		 2824 .category = FIO_OPT_C_IO,
2825 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2826 },
2827 {
2828 .name = "rate_iops",
e8b0e958 2829 .lname = "I/O rate IOPS",
e01b22b8 2830 .type = FIO_OPT_INT,
6eaf09d6
SL		 2831 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2832 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2833 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2834 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2835 .hide = 1,
e8b0e958
JA		 2836 .category = FIO_OPT_C_IO,
2837 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2838 },
2839 {
2840 .name = "rate_iops_min",
e8b0e958 2841 .lname = "I/O min rate IOPS",
e01b22b8 2842 .type = FIO_OPT_INT,
6eaf09d6
SL		 2843 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2844 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2845 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2846 .help = "Job must meet this rate or it will be shut down",
afdf9352 2847 .parent = "rate_iops",
d71c154c 2848 .hide = 1,
e8b0e958
JA		 2849 .category = FIO_OPT_C_IO,
2850 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2851 },
2852 {
2853 .name = "ratecycle",
e8b0e958 2854 .lname = "I/O rate cycle",
214e1eca
JA		 2855 .type = FIO_OPT_INT,
2856 .off1 = td_var_offset(ratecycle),
2857 .help = "Window average for rate limits (msec)",
2858 .def = "1000",
afdf9352 2859 .parent = "rate",
d71c154c 2860 .hide = 1,
e8b0e958
JA		 2861 .category = FIO_OPT_C_IO,
2862 .group = FIO_OPT_G_RATE,
214e1eca 2863 },
15501535
JA		 2864 {
2865 .name = "max_latency",
2866 .type = FIO_OPT_INT,
2867 .off1 = td_var_offset(max_latency),
2868 .help = "Maximum tolerated IO latency (usec)",
1e5324e7 2869 .category = FIO_OPT_C_IO,
3e260a46
JA		 2870 .group = FIO_OPT_G_LATPROF,
2871 },
2872 {
2873 .name = "latency_target",
2874 .lname = "Latency Target (usec)",
2875 .type = FIO_OPT_STR_VAL_TIME,
2876 .off1 = td_var_offset(latency_target),
2877 .help = "Ramp to max queue depth supporting this latency",
2878 .category = FIO_OPT_C_IO,
2879 .group = FIO_OPT_G_LATPROF,
2880 },
2881 {
2882 .name = "latency_window",
2883 .lname = "Latency Window (usec)",
2884 .type = FIO_OPT_STR_VAL_TIME,
2885 .off1 = td_var_offset(latency_window),
2886 .help = "Time to sustain latency_target",
2887 .category = FIO_OPT_C_IO,
2888 .group = FIO_OPT_G_LATPROF,
2889 },
2890 {
2891 .name = "latency_percentile",
2892 .lname = "Latency Percentile",
2893 .type = FIO_OPT_FLOAT_LIST,
2894 .off1 = td_var_offset(latency_percentile),
2895 .help = "Percentile of IOs must be below latency_target",
2896 .def = "100",
2897 .maxlen = 1,
2898 .minfp = 0.0,
2899 .maxfp = 100.0,
2900 .category = FIO_OPT_C_IO,
2901 .group = FIO_OPT_G_LATPROF,
15501535 2902 },
214e1eca
JA		 2903 {
2904 .name = "invalidate",
e8b0e958 2905 .lname = "Cache invalidate",
214e1eca
JA		 2906 .type = FIO_OPT_BOOL,
2907 .off1 = td_var_offset(invalidate_cache),
2908 .help = "Invalidate buffer/page cache prior to running job",
2909 .def = "1",
e8b0e958 2910 .category = FIO_OPT_C_IO,
3ceb458f 2911 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2912 },
2913 {
2914 .name = "sync",
e8b0e958 2915 .lname = "Synchronous I/O",
214e1eca
JA		 2916 .type = FIO_OPT_BOOL,
2917 .off1 = td_var_offset(sync_io),
2918 .help = "Use O_SYNC for buffered writes",
2919 .def = "0",
67a1000f 2920 .parent = "buffered",
d71c154c 2921 .hide = 1,
e8b0e958 2922 .category = FIO_OPT_C_IO,
3ceb458f 2923 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2924 },
214e1eca
JA		 2925 {
2926 .name = "create_serialize",
e8b0e958 2927 .lname = "Create serialize",
214e1eca
JA		 2928 .type = FIO_OPT_BOOL,
2929 .off1 = td_var_offset(create_serialize),
2930 .help = "Serialize creating of job files",
2931 .def = "1",
e8b0e958
JA		 2932 .category = FIO_OPT_C_FILE,
2933 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2934 },
2935 {
2936 .name = "create_fsync",
e8b0e958 2937 .lname = "Create fsync",
214e1eca
JA		 2938 .type = FIO_OPT_BOOL,
2939 .off1 = td_var_offset(create_fsync),
03e20d68 2940 .help = "fsync file after creation",
214e1eca 2941 .def = "1",
e8b0e958
JA		 2942 .category = FIO_OPT_C_FILE,
2943 .group = FIO_OPT_G_INVALID,
214e1eca 2944 },
814452bd
JA		 2945 {
2946 .name = "create_on_open",
e8b0e958 2947 .lname = "Create on open",
814452bd
JA		 2948 .type = FIO_OPT_BOOL,
2949 .off1 = td_var_offset(create_on_open),
2950 .help = "Create files when they are opened for IO",
2951 .def = "0",
e8b0e958
JA		 2952 .category = FIO_OPT_C_FILE,
2953 .group = FIO_OPT_G_INVALID,
814452bd 2954 },
25460cf6
JA		 2955 {
2956 .name = "create_only",
2957 .type = FIO_OPT_BOOL,
2958 .off1 = td_var_offset(create_only),
2959 .help = "Only perform file creation phase",
d17fda71 2960 .category = FIO_OPT_C_FILE,
25460cf6
JA		 2961 .def = "0",
2962 },
0b9d69ec 2963 {
afad68f7 2964 .name = "pre_read",
e8b0e958 2965 .lname = "Pre-read files",
afad68f7
ZY		 2966 .type = FIO_OPT_BOOL,
2967 .off1 = td_var_offset(pre_read),
03e20d68 2968 .help = "Pre-read files before starting official testing",
afad68f7 2969 .def = "0",
e8b0e958
JA		 2970 .category = FIO_OPT_C_FILE,
2971 .group = FIO_OPT_G_INVALID,
afad68f7 2972 },
214e1eca
JA		 2973#ifdef FIO_HAVE_CPU_AFFINITY
2974 {
2975 .name = "cpumask",
e8b0e958 2976 .lname = "CPU mask",
214e1eca
JA		 2977 .type = FIO_OPT_INT,
2978 .cb = str_cpumask_cb,
2979 .help = "CPU affinity mask",
e8b0e958 2980 .category = FIO_OPT_C_GENERAL,
10860056 2981 .group = FIO_OPT_G_CRED,
214e1eca 2982 },
d2e268b0
JA		 2983 {
2984 .name = "cpus_allowed",
e8b0e958 2985 .lname = "CPUs allowed",
d2e268b0
JA		 2986 .type = FIO_OPT_STR,
2987 .cb = str_cpus_allowed_cb,
2988 .help = "Set CPUs allowed",
e8b0e958 2989 .category = FIO_OPT_C_GENERAL,
10860056 2990 .group = FIO_OPT_G_CRED,
d2e268b0 2991 },
c2acfbac
JA		 2992 {
2993 .name = "cpus_allowed_policy",
2994 .lname = "CPUs allowed distribution policy",
2995 .type = FIO_OPT_STR,
2996 .off1 = td_var_offset(cpus_allowed_policy),
2997 .help = "Distribution policy for cpus_allowed",
2998 .parent = "cpus_allowed",
2999 .prio = 1,
3000 .posval = {
3001 { .ival = "shared",
3002 .oval = FIO_CPUS_SHARED,
3003 .help = "Mask shared between threads",
3004 },
3005 { .ival = "split",
3006 .oval = FIO_CPUS_SPLIT,
3007 .help = "Mask split between threads",
3008 },
3009 },
3010 .category = FIO_OPT_C_GENERAL,
3011 .group = FIO_OPT_G_CRED,
3012 },
d0b937ed 3013#endif
67bf9823 3014#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3015 {
3016 .name = "numa_cpu_nodes",
3017 .type = FIO_OPT_STR,
3018 .cb = str_numa_cpunodes_cb,
3019 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3020 .category = FIO_OPT_C_GENERAL,
3021 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3022 },
3023 {
3024 .name = "numa_mem_policy",
3025 .type = FIO_OPT_STR,
3026 .cb = str_numa_mpol_cb,
3027 .help = "NUMA memory policy setup",
6be54b2d
JA		 3028 .category = FIO_OPT_C_GENERAL,
3029 .group = FIO_OPT_G_INVALID,
d0b937ed 3030 },
214e1eca
JA		 3031#endif
3032 {
3033 .name = "end_fsync",
e8b0e958 3034 .lname = "End fsync",
214e1eca
JA		 3035 .type = FIO_OPT_BOOL,
3036 .off1 = td_var_offset(end_fsync),
3037 .help = "Include fsync at the end of job",
3038 .def = "0",
e8b0e958
JA		 3039 .category = FIO_OPT_C_FILE,
3040 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3041 },
3042 {
3043 .name = "fsync_on_close",
e8b0e958 3044 .lname = "Fsync on close",
214e1eca
JA		 3045 .type = FIO_OPT_BOOL,
3046 .off1 = td_var_offset(fsync_on_close),
3047 .help = "fsync files on close",
3048 .def = "0",
e8b0e958
JA		 3049 .category = FIO_OPT_C_FILE,
3050 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3051 },
3052 {
3053 .name = "unlink",
e8b0e958 3054 .lname = "Unlink file",
214e1eca
JA		 3055 .type = FIO_OPT_BOOL,
3056 .off1 = td_var_offset(unlink),
3057 .help = "Unlink created files after job has completed",
3058 .def = "0",
e8b0e958
JA		 3059 .category = FIO_OPT_C_FILE,
3060 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3061 },
3062 {
3063 .name = "exitall",
e8b0e958 3064 .lname = "Exit-all on terminate",
214e1eca
JA		 3065 .type = FIO_OPT_STR_SET,
3066 .cb = str_exitall_cb,
3067 .help = "Terminate all jobs when one exits",
e8b0e958 3068 .category = FIO_OPT_C_GENERAL,
a1f6afec 3069 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3070 },
3071 {
3072 .name = "stonewall",
e8b0e958 3073 .lname = "Wait for previous",
d392365e 3074 .alias = "wait_for_previous",
214e1eca
JA		 3075 .type = FIO_OPT_STR_SET,
3076 .off1 = td_var_offset(stonewall),
3077 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3078 .category = FIO_OPT_C_GENERAL,
a1f6afec 3079 .group = FIO_OPT_G_PROCESS,
214e1eca 3080 },
b3d62a75
JA		 3081 {
3082 .name = "new_group",
e8b0e958 3083 .lname = "New group",
b3d62a75
JA		 3084 .type = FIO_OPT_STR_SET,
3085 .off1 = td_var_offset(new_group),
3086 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3087 .category = FIO_OPT_C_GENERAL,
a1f6afec 3088 .group = FIO_OPT_G_PROCESS,
b3d62a75 3089 },
214e1eca
JA		 3090 {
3091 .name = "thread",
e8b0e958 3092 .lname = "Thread",
214e1eca
JA		 3093 .type = FIO_OPT_STR_SET,
3094 .off1 = td_var_offset(use_thread),
20eb06bd 3095 .help = "Use threads instead of processes",
c8931876
JA		 3096#ifdef CONFIG_NO_SHM
3097 .def = "1",
3098 .no_warn_def = 1,
3099#endif
e8b0e958 3100 .category = FIO_OPT_C_GENERAL,
a1f6afec 3101 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3102 },
3103 {
3104 .name = "write_bw_log",
e8b0e958 3105 .lname = "Write bandwidth log",
203160d5
JA		 3106 .type = FIO_OPT_STR_STORE,
3107 .off1 = td_var_offset(bw_log_file),
214e1eca 3108 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3109 .category = FIO_OPT_C_LOG,
3110 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3111 },
3112 {
3113 .name = "write_lat_log",
e8b0e958 3114 .lname = "Write latency log",
203160d5
JA		 3115 .type = FIO_OPT_STR_STORE,
3116 .off1 = td_var_offset(lat_log_file),
214e1eca 3117 .help = "Write log of latency during run",
e8b0e958
JA		 3118 .category = FIO_OPT_C_LOG,
3119 .group = FIO_OPT_G_INVALID,
214e1eca 3120 },
c8eeb9df
JA		 3121 {
3122 .name = "write_iops_log",
e8b0e958 3123 .lname = "Write IOPS log",
577c83bd 3124 .type = FIO_OPT_STR_STORE,
203160d5 3125 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3126 .help = "Write log of IOPS during run",
e8b0e958
JA		 3127 .category = FIO_OPT_C_LOG,
3128 .group = FIO_OPT_G_INVALID,
c8eeb9df 3129 },
b8bc8cba
JA		 3130 {
3131 .name = "log_avg_msec",
e8b0e958 3132 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3133 .type = FIO_OPT_INT,
3134 .off1 = td_var_offset(log_avg_msec),
3135 .help = "Average bw/iops/lat logs over this period of time",
3136 .def = "0",
e8b0e958
JA		 3137 .category = FIO_OPT_C_LOG,
3138 .group = FIO_OPT_G_INVALID,
b8bc8cba 3139 },
ae588852
JA		 3140 {
3141 .name = "log_offset",
3142 .lname = "Log offset of IO",
3143 .type = FIO_OPT_BOOL,
3144 .off1 = td_var_offset(log_offset),
3145 .help = "Include offset of IO for each log entry",
3146 .def = "0",
3147 .category = FIO_OPT_C_LOG,
3148 .group = FIO_OPT_G_INVALID,
3149 },
aee2ab67
JA		 3150#ifdef CONFIG_ZLIB
3151 {
3152 .name = "log_compression",
3153 .lname = "Log compression",
3154 .type = FIO_OPT_INT,
3155 .off1 = td_var_offset(log_gz),
3156 .help = "Log in compressed chunks of this size",
3157 .minval = 32 * 1024 * 1024ULL,
3158 .maxval = 512 * 1024 * 1024ULL,
3159 .category = FIO_OPT_C_LOG,
3160 .group = FIO_OPT_G_INVALID,
3161 },
b26317c9
JA		 3162 {
3163 .name = "log_store_compressed",
3164 .lname = "Log store compressed",
3165 .type = FIO_OPT_BOOL,
3166 .off1 = td_var_offset(log_gz_store),
3167 .help = "Store logs in a compressed format",
3168 .category = FIO_OPT_C_LOG,
3169 .group = FIO_OPT_G_INVALID,
3170 },
aee2ab67 3171#endif
c504ee55
JA		 3172 {
3173 .name = "bwavgtime",
3174 .lname = "Bandwidth average time",
3175 .type = FIO_OPT_INT,
3176 .off1 = td_var_offset(bw_avg_time),
3177 .help = "Time window over which to calculate bandwidth"
3178 " (msec)",
3179 .def = "500",
3180 .parent = "write_bw_log",
3181 .hide = 1,
3182 .interval = 100,
3183 .category = FIO_OPT_C_LOG,
3184 .group = FIO_OPT_G_INVALID,
3185 },
3186 {
3187 .name = "iopsavgtime",
3188 .lname = "IOPS average time",
3189 .type = FIO_OPT_INT,
3190 .off1 = td_var_offset(iops_avg_time),
3191 .help = "Time window over which to calculate IOPS (msec)",
3192 .def = "500",
3193 .parent = "write_iops_log",
3194 .hide = 1,
3195 .interval = 100,
3196 .category = FIO_OPT_C_LOG,
3197 .group = FIO_OPT_G_INVALID,
3198 },
214e1eca
JA		 3199 {
3200 .name = "group_reporting",
e8b0e958 3201 .lname = "Group reporting",
d2507043 3202 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3203 .off1 = td_var_offset(group_reporting),
3204 .help = "Do reporting on a per-group basis",
10860056 3205 .category = FIO_OPT_C_STAT,
e8b0e958 3206 .group = FIO_OPT_G_INVALID,
214e1eca 3207 },
e9459e5a
JA		 3208 {
3209 .name = "zero_buffers",
e8b0e958 3210 .lname = "Zero I/O buffers",
e9459e5a
JA		 3211 .type = FIO_OPT_STR_SET,
3212 .off1 = td_var_offset(zero_buffers),
3213 .help = "Init IO buffers to all zeroes",
e8b0e958 3214 .category = FIO_OPT_C_IO,
3ceb458f 3215 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3216 },
5973cafb
JA		 3217 {
3218 .name = "refill_buffers",
e8b0e958 3219 .lname = "Refill I/O buffers",
5973cafb
JA		 3220 .type = FIO_OPT_STR_SET,
3221 .off1 = td_var_offset(refill_buffers),
3222 .help = "Refill IO buffers on every IO submit",
e8b0e958 3223 .category = FIO_OPT_C_IO,
3ceb458f 3224 .group = FIO_OPT_G_IO_BUF,
5973cafb 3225 },
fd68418e
JA		 3226 {
3227 .name = "scramble_buffers",
e8b0e958 3228 .lname = "Scramble I/O buffers",
fd68418e
JA		 3229 .type = FIO_OPT_BOOL,
3230 .off1 = td_var_offset(scramble_buffers),
3231 .help = "Slightly scramble buffers on every IO submit",
3232 .def = "1",
e8b0e958 3233 .category = FIO_OPT_C_IO,
3ceb458f 3234 .group = FIO_OPT_G_IO_BUF,
fd68418e 3235 },
ce35b1ec
JA		 3236 {
3237 .name = "buffer_pattern",
3238 .lname = "Buffer pattern",
3239 .type = FIO_OPT_STR,
3240 .cb = str_buffer_pattern_cb,
3241 .help = "Fill pattern for IO buffers",
3242 .category = FIO_OPT_C_IO,
3243 .group = FIO_OPT_G_IO_BUF,
3244 },
9c42684e
JA		 3245 {
3246 .name = "buffer_compress_percentage",
e8b0e958 3247 .lname = "Buffer compression percentage",
9c42684e 3248 .type = FIO_OPT_INT,
bedc9dc2 3249 .cb = str_buffer_compress_cb,
9c42684e 3250 .maxval = 100,
e7f5de90 3251 .minval = 0,
9c42684e 3252 .help = "How compressible the buffer is (approximately)",
20eb06bd 3253 .interval = 5,
e8b0e958 3254 .category = FIO_OPT_C_IO,
3ceb458f 3255 .group = FIO_OPT_G_IO_BUF,
9c42684e 3256 },
f97a43a1
JA		 3257 {
3258 .name = "buffer_compress_chunk",
e8b0e958 3259 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3260 .type = FIO_OPT_INT,
3261 .off1 = td_var_offset(compress_chunk),
207b18e4 3262 .parent = "buffer_compress_percentage",
d71c154c 3263 .hide = 1,
f97a43a1 3264 .help = "Size of compressible region in buffer",
20eb06bd 3265 .interval = 256,
e8b0e958 3266 .category = FIO_OPT_C_IO,
3ceb458f 3267 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3268 },
5c94b008
JA		 3269 {
3270 .name = "dedupe_percentage",
3271 .lname = "Dedupe percentage",
3272 .type = FIO_OPT_INT,
3273 .cb = str_dedupe_cb,
3274 .maxval = 100,
3275 .minval = 0,
3276 .help = "Percentage of buffers that are dedupable",
3277 .interval = 1,
3278 .category = FIO_OPT_C_IO,
3279 .group = FIO_OPT_G_IO_BUF,
3280 },
83349190
YH		 3281 {
3282 .name = "clat_percentiles",
e8b0e958 3283 .lname = "Completion latency percentiles",
83349190
YH		 3284 .type = FIO_OPT_BOOL,
3285 .off1 = td_var_offset(clat_percentiles),
3286 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3287 .def = "1",
e8b0e958
JA		 3288 .category = FIO_OPT_C_STAT,
3289 .group = FIO_OPT_G_INVALID,
83349190
YH		 3290 },
3291 {
3292 .name = "percentile_list",
e8b0e958 3293 .lname = "Completion latency percentile list",
83349190
YH		 3294 .type = FIO_OPT_FLOAT_LIST,
3295 .off1 = td_var_offset(percentile_list),
435d195a 3296 .off2 = td_var_offset(percentile_precision),
83349190 3297 .help = "Specify a custom list of percentiles to report",
fd112d34 3298 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3299 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3300 .minfp = 0.0,
3301 .maxfp = 100.0,
e8b0e958
JA		 3302 .category = FIO_OPT_C_STAT,
3303 .group = FIO_OPT_G_INVALID,
83349190
YH		 3304 },
3305
0a839f30
JA		 3306#ifdef FIO_HAVE_DISK_UTIL
3307 {
3308 .name = "disk_util",
e8b0e958 3309 .lname = "Disk utilization",
0a839f30
JA		 3310 .type = FIO_OPT_BOOL,
3311 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3312 .help = "Log disk utilization statistics",
0a839f30 3313 .def = "1",
e8b0e958
JA		 3314 .category = FIO_OPT_C_STAT,
3315 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3316 },
3317#endif
993bf48b
JA		 3318 {
3319 .name = "gtod_reduce",
e8b0e958 3320 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3321 .type = FIO_OPT_BOOL,
3322 .help = "Greatly reduce number of gettimeofday() calls",
3323 .cb = str_gtod_reduce_cb,
3324 .def = "0",
a4ed77fe 3325 .hide_on_set = 1,
e8b0e958
JA		 3326 .category = FIO_OPT_C_STAT,
3327 .group = FIO_OPT_G_INVALID,
993bf48b 3328 },
02af0988
JA		 3329 {
3330 .name = "disable_lat",
e8b0e958 3331 .lname = "Disable all latency stats",
02af0988
JA		 3332 .type = FIO_OPT_BOOL,
3333 .off1 = td_var_offset(disable_lat),
3334 .help = "Disable latency numbers",
3335 .parent = "gtod_reduce",
d71c154c 3336 .hide = 1,
02af0988 3337 .def = "0",
e8b0e958
JA		 3338 .category = FIO_OPT_C_STAT,
3339 .group = FIO_OPT_G_INVALID,
02af0988 3340 },
9520ebb9
JA		 3341 {
3342 .name = "disable_clat",
e8b0e958 3343 .lname = "Disable completion latency stats",
9520ebb9
JA		 3344 .type = FIO_OPT_BOOL,
3345 .off1 = td_var_offset(disable_clat),
3346 .help = "Disable completion latency numbers",
993bf48b 3347 .parent = "gtod_reduce",
d71c154c 3348 .hide = 1,
9520ebb9 3349 .def = "0",
e8b0e958
JA		 3350 .category = FIO_OPT_C_STAT,
3351 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3352 },
3353 {
3354 .name = "disable_slat",
e8b0e958 3355 .lname = "Disable submission latency stats",
9520ebb9
JA		 3356 .type = FIO_OPT_BOOL,
3357 .off1 = td_var_offset(disable_slat),
03e20d68 3358 .help = "Disable submission latency numbers",
993bf48b 3359 .parent = "gtod_reduce",
d71c154c 3360 .hide = 1,
9520ebb9 3361 .def = "0",
e8b0e958
JA		 3362 .category = FIO_OPT_C_STAT,
3363 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3364 },
3365 {
3366 .name = "disable_bw_measurement",
e8b0e958 3367 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3368 .type = FIO_OPT_BOOL,
3369 .off1 = td_var_offset(disable_bw),
3370 .help = "Disable bandwidth logging",
993bf48b 3371 .parent = "gtod_reduce",
d71c154c 3372 .hide = 1,
9520ebb9 3373 .def = "0",
e8b0e958
JA		 3374 .category = FIO_OPT_C_STAT,
3375 .group = FIO_OPT_G_INVALID,
9520ebb9 3376 },
be4ecfdf
JA		 3377 {
3378 .name = "gtod_cpu",
e8b0e958 3379 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA		 3380 .type = FIO_OPT_INT,
3381 .cb = str_gtod_cpu_cb,
03e20d68 3382 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3383 .verify = gtod_cpu_verify,
e8b0e958 3384 .category = FIO_OPT_C_GENERAL,
10860056 3385 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3386 },
771e58be
JA		 3387 {
3388 .name = "unified_rw_reporting",
3389 .type = FIO_OPT_BOOL,
3390 .off1 = td_var_offset(unified_rw_rep),
3391 .help = "Unify reporting across data direction",
3392 .def = "0",
90b7a96d
JA		 3393 .category = FIO_OPT_C_GENERAL,
3394 .group = FIO_OPT_G_INVALID,
771e58be 3395 },
f2bba182
RR		 3396 {
3397 .name = "continue_on_error",
e8b0e958 3398 .lname = "Continue on error",
06842027 3399 .type = FIO_OPT_STR,
f2bba182 3400 .off1 = td_var_offset(continue_on_error),
03e20d68 3401 .help = "Continue on non-fatal errors during IO",
06842027 3402 .def = "none",
e8b0e958 3403 .category = FIO_OPT_C_GENERAL,
bc3f552f 3404 .group = FIO_OPT_G_ERR,
06842027
SL		 3405 .posval = {
3406 { .ival = "none",
3407 .oval = ERROR_TYPE_NONE,
3408 .help = "Exit when an error is encountered",
3409 },
3410 { .ival = "read",
3411 .oval = ERROR_TYPE_READ,
3412 .help = "Continue on read errors only",
3413 },
3414 { .ival = "write",
3415 .oval = ERROR_TYPE_WRITE,
3416 .help = "Continue on write errors only",
3417 },
3418 { .ival = "io",
3419 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3420 .help = "Continue on any IO errors",
3421 },
3422 { .ival = "verify",
3423 .oval = ERROR_TYPE_VERIFY,
3424 .help = "Continue on verify errors only",
3425 },
3426 { .ival = "all",
3427 .oval = ERROR_TYPE_ANY,
3428 .help = "Continue on all io and verify errors",
3429 },
3430 { .ival = "0",
3431 .oval = ERROR_TYPE_NONE,
3432 .help = "Alias for 'none'",
3433 },
3434 { .ival = "1",
3435 .oval = ERROR_TYPE_ANY,
3436 .help = "Alias for 'all'",
3437 },
3438 },
f2bba182 3439 },
8b28bd41
DM		 3440 {
3441 .name = "ignore_error",
3442 .type = FIO_OPT_STR,
3443 .cb = str_ignore_error_cb,
3444 .help = "Set a specific list of errors to ignore",
3445 .parent = "rw",
a94eb99a 3446 .category = FIO_OPT_C_GENERAL,
bc3f552f 3447 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3448 },
3449 {
3450 .name = "error_dump",
3451 .type = FIO_OPT_BOOL,
3452 .off1 = td_var_offset(error_dump),
3453 .def = "0",
3454 .help = "Dump info on each error",
a94eb99a 3455 .category = FIO_OPT_C_GENERAL,
bc3f552f 3456 .group = FIO_OPT_G_ERR,
8b28bd41 3457 },
9ac8a797
JA		 3458 {
3459 .name = "profile",
e8b0e958 3460 .lname = "Profile",
79d16311 3461 .type = FIO_OPT_STR_STORE,
9ac8a797 3462 .off1 = td_var_offset(profile),
9ac8a797 3463 .help = "Select a specific builtin performance test",
13fca827 3464 .category = FIO_OPT_C_PROFILE,
e8b0e958 3465 .group = FIO_OPT_G_INVALID,
9ac8a797 3466 },
a696fa2a
JA		 3467 {
3468 .name = "cgroup",
e8b0e958 3469 .lname = "Cgroup",
a696fa2a
JA		 3470 .type = FIO_OPT_STR_STORE,
3471 .off1 = td_var_offset(cgroup),
3472 .help = "Add job to cgroup of this name",
e8b0e958 3473 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3474 .group = FIO_OPT_G_CGROUP,
3475 },
3476 {
3477 .name = "cgroup_nodelete",
3478 .lname = "Cgroup no-delete",
3479 .type = FIO_OPT_BOOL,
3480 .off1 = td_var_offset(cgroup_nodelete),
3481 .help = "Do not delete cgroups after job completion",
3482 .def = "0",
3483 .parent = "cgroup",
3484 .category = FIO_OPT_C_GENERAL,
3485 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3486 },
3487 {
3488 .name = "cgroup_weight",
e8b0e958 3489 .lname = "Cgroup weight",
a696fa2a
JA		 3490 .type = FIO_OPT_INT,
3491 .off1 = td_var_offset(cgroup_weight),
3492 .help = "Use given weight for cgroup",
3493 .minval = 100,
3494 .maxval = 1000,
a1f6afec 3495 .parent = "cgroup",
e8b0e958 3496 .category = FIO_OPT_C_GENERAL,
a1f6afec 3497 .group = FIO_OPT_G_CGROUP,
7de87099 3498 },
e0b0d892
JA		 3499 {
3500 .name = "uid",
e8b0e958 3501 .lname = "User ID",
e0b0d892
JA		 3502 .type = FIO_OPT_INT,
3503 .off1 = td_var_offset(uid),
3504 .help = "Run job with this user ID",
e8b0e958 3505 .category = FIO_OPT_C_GENERAL,
10860056 3506 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3507 },
3508 {
3509 .name = "gid",
e8b0e958 3510 .lname = "Group ID",
e0b0d892
JA		 3511 .type = FIO_OPT_INT,
3512 .off1 = td_var_offset(gid),
3513 .help = "Run job with this group ID",
e8b0e958 3514 .category = FIO_OPT_C_GENERAL,
10860056 3515 .group = FIO_OPT_G_CRED,
e0b0d892 3516 },
a1f6afec
JA		 3517 {
3518 .name = "kb_base",
3519 .lname = "KB Base",
3520 .type = FIO_OPT_INT,
3521 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3522 .prio = 1,
3523 .def = "1024",
ba9c7219
JA		 3524 .posval = {
3525 { .ival = "1024",
3526 .oval = 1024,
3527 .help = "Use 1024 as the K base",
3528 },
3529 { .ival = "1000",
3530 .oval = 1000,
3531 .help = "Use 1000 as the K base",
3532 },
3533 },
a1f6afec
JA		 3534 .help = "How many bytes per KB for reporting (1000 or 1024)",
3535 .category = FIO_OPT_C_GENERAL,
3536 .group = FIO_OPT_G_INVALID,
3537 },
cf3a0518
JA		 3538 {
3539 .name = "unit_base",
ba9c7219 3540 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3541 .type = FIO_OPT_INT,
3542 .off1 = td_var_offset(unit_base),
cf3a0518 3543 .prio = 1,
71a08258
JA		 3544 .posval = {
3545 { .ival = "0",
3546 .oval = 0,
3547 .help = "Auto-detect",
3548 },
3549 { .ival = "8",
3550 .oval = 8,
3551 .help = "Normal (byte based)",
3552 },
3553 { .ival = "1",
3554 .oval = 1,
3555 .help = "Bit based",
3556 },
3557 },
cf3a0518
JA		 3558 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3559 .category = FIO_OPT_C_GENERAL,
3560 .group = FIO_OPT_G_INVALID,
3561 },
3ceb458f
JA		 3562 {
3563 .name = "hugepage-size",
3564 .lname = "Hugepage size",
3565 .type = FIO_OPT_INT,
3566 .off1 = td_var_offset(hugepage_size),
3567 .help = "When using hugepages, specify size of each page",
3568 .def = __fio_stringify(FIO_HUGE_PAGE),
3569 .interval = 1024 * 1024,
3570 .category = FIO_OPT_C_GENERAL,
3571 .group = FIO_OPT_G_INVALID,
3572 },
9e684a49
DE		 3573 {
3574 .name = "flow_id",
e8b0e958 3575 .lname = "I/O flow ID",
9e684a49
DE		 3576 .type = FIO_OPT_INT,
3577 .off1 = td_var_offset(flow_id),
3578 .help = "The flow index ID to use",
3579 .def = "0",
e8b0e958
JA		 3580 .category = FIO_OPT_C_IO,
3581 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3582 },
3583 {
3584 .name = "flow",
e8b0e958 3585 .lname = "I/O flow weight",
9e684a49
DE		 3586 .type = FIO_OPT_INT,
3587 .off1 = td_var_offset(flow),
3588 .help = "Weight for flow control of this job",
3589 .parent = "flow_id",
d71c154c 3590 .hide = 1,
9e684a49 3591 .def = "0",
e8b0e958
JA		 3592 .category = FIO_OPT_C_IO,
3593 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3594 },
3595 {
3596 .name = "flow_watermark",
e8b0e958 3597 .lname = "I/O flow watermark",
9e684a49
DE		 3598 .type = FIO_OPT_INT,
3599 .off1 = td_var_offset(flow_watermark),
3600 .help = "High watermark for flow control. This option"
3601 " should be set to the same value for all threads"
3602 " with non-zero flow.",
3603 .parent = "flow_id",
d71c154c 3604 .hide = 1,
9e684a49 3605 .def = "1024",
e8b0e958
JA		 3606 .category = FIO_OPT_C_IO,
3607 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3608 },
3609 {
3610 .name = "flow_sleep",
e8b0e958 3611 .lname = "I/O flow sleep",
9e684a49
DE		 3612 .type = FIO_OPT_INT,
3613 .off1 = td_var_offset(flow_sleep),
3614 .help = "How many microseconds to sleep after being held"
3615 " back by the flow control mechanism",
3616 .parent = "flow_id",
d71c154c 3617 .hide = 1,
9e684a49 3618 .def = "0",
e8b0e958
JA		 3619 .category = FIO_OPT_C_IO,
3620 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3621 },
214e1eca
JA		 3622 {
3623 .name = NULL,
3624 },
3625};
3626
17af15d4 3627static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3628 const char *name, int val)
9f81736c 3629{
17af15d4 3630 lopt->name = (char *) name;
de890a1e 3631 lopt->val = val;
9f81736c 3632 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3633 lopt->has_arg = optional_argument;
9f81736c
JA		 3634 else
3635 lopt->has_arg = required_argument;
3636}
3637
de890a1e
SL		 3638static void options_to_lopts(struct fio_option *opts,
3639 struct option *long_options,
3640 int i, int option_type)
214e1eca 3641{
de890a1e 3642 struct fio_option *o = &opts[0];
214e1eca 3643 while (o->name) {
de890a1e 3644 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3645 if (o->alias) {
3646 i++;
de890a1e 3647 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3648 }
214e1eca
JA		 3649
3650 i++;
3651 o++;
3652 assert(i < FIO_NR_OPTIONS);
3653 }
3654}
3655
de890a1e
SL		 3656void fio_options_set_ioengine_opts(struct option *long_options,
3657 struct thread_data *td)
3658{
3659 unsigned int i;
3660
3661 i = 0;
3662 while (long_options[i].name) {
3663 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3664 memset(&long_options[i], 0, sizeof(*long_options));
3665 break;
3666 }
3667 i++;
3668 }
3669
3670 /*
3671 * Just clear out the prior ioengine options.
3672 */
3673 if (!td || !td->eo)
3674 return;
3675
3676 options_to_lopts(td->io_ops->options, long_options, i,
3677 FIO_GETOPT_IOENGINE);
3678}
3679
3680void fio_options_dup_and_init(struct option *long_options)
3681{
3682 unsigned int i;
3683
9af4a244 3684 options_init(fio_options);
de890a1e
SL		 3685
3686 i = 0;
3687 while (long_options[i].name)
3688 i++;
3689
9af4a244 3690 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3691}
3692
74929ac2
JA		 3693struct fio_keyword {
3694 const char *word;
3695 const char *desc;
3696 char *replace;
3697};
3698
3699static struct fio_keyword fio_keywords[] = {
3700 {
3701 .word = "$pagesize",
3702 .desc = "Page size in the system",
3703 },
3704 {
3705 .word = "$mb_memory",
3706 .desc = "Megabytes of memory online",
3707 },
3708 {
3709 .word = "$ncpus",
3710 .desc = "Number of CPUs online in the system",
3711 },
3712 {
3713 .word = NULL,
3714 },
3715};
3716
3717void fio_keywords_init(void)
3718{
3b2e1464 3719 unsigned long long mb_memory;
74929ac2
JA		 3720 char buf[128];
3721 long l;
3722
a4cfc477 3723 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3724 fio_keywords[0].replace = strdup(buf);
3725
8eb016d3 3726 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3727 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3728 fio_keywords[1].replace = strdup(buf);
3729
c00a2289 3730 l = cpus_online();
74929ac2
JA		 3731 sprintf(buf, "%lu", l);
3732 fio_keywords[2].replace = strdup(buf);
3733}
3734
892a6ffc
JA		 3735#define BC_APP "bc"
3736
3737static char *bc_calc(char *str)
3738{
d0c814ec 3739 char buf[128], *tmp;
892a6ffc
JA		 3740 FILE *f;
3741 int ret;
3742
3743 /*
3744 * No math, just return string
3745 */
d0c814ec
SL		 3746 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3747 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3748 return str;
3749
3750 /*
3751 * Split option from value, we only need to calculate the value
3752 */
3753 tmp = strchr(str, '=');
3754 if (!tmp)
3755 return str;
3756
3757 tmp++;
892a6ffc 3758
d0c814ec
SL		 3759 /*
3760 * Prevent buffer overflows; such a case isn't reasonable anyway
3761 */
3762 if (strlen(str) >= 128 || strlen(tmp) > 100)
3763 return str;
892a6ffc
JA		 3764
3765 sprintf(buf, "which %s > /dev/null", BC_APP);
3766 if (system(buf)) {
3767 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3768 return NULL;
3769 }
3770
d0c814ec 3771 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3772 f = popen(buf, "r");
3c3ed070 3773 if (!f)
892a6ffc 3774 return NULL;
892a6ffc 3775
d0c814ec 3776 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 3777 if (ret <= 0) {
3778 pclose(f);
892a6ffc 3779 return NULL;
1d824f37 3780 }
892a6ffc 3781
892a6ffc 3782 pclose(f);
d0c814ec
SL		 3783 buf[(tmp - str) + ret - 1] = '\0';
3784 memcpy(buf, str, tmp - str);
892a6ffc 3785 free(str);
d0c814ec
SL		 3786 return strdup(buf);
3787}
3788
3789/*
3790 * Return a copy of the input string with substrings of the form ${VARNAME}
3791 * substituted with the value of the environment variable VARNAME. The
3792 * substitution always occurs, even if VARNAME is empty or the corresponding
3793 * environment variable undefined.
3794 */
3795static char *option_dup_subs(const char *opt)
3796{
3797 char out[OPT_LEN_MAX+1];
3798 char in[OPT_LEN_MAX+1];
3799 char *outptr = out;
3800 char *inptr = in;
3801 char *ch1, *ch2, *env;
3802 ssize_t nchr = OPT_LEN_MAX;
3803 size_t envlen;
3804
3805 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3806 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3807 return NULL;
3808 }
3809
3810 in[OPT_LEN_MAX] = '\0';
3811 strncpy(in, opt, OPT_LEN_MAX);
3812
3813 while (*inptr && nchr > 0) {
3814 if (inptr[0] == '$' && inptr[1] == '{') {
3815 ch2 = strchr(inptr, '}');
3816 if (ch2 && inptr+1 < ch2) {
3817 ch1 = inptr+2;
3818 inptr = ch2+1;
3819 *ch2 = '\0';
3820
3821 env = getenv(ch1);
3822 if (env) {
3823 envlen = strlen(env);
3824 if (envlen <= nchr) {
3825 memcpy(outptr, env, envlen);
3826 outptr += envlen;
3827 nchr -= envlen;
3828 }
3829 }
3830
3831 continue;
3832 }
3833 }
3834
3835 *outptr++ = *inptr++;
3836 --nchr;
3837 }
3838
3839 *outptr = '\0';
3840 return strdup(out);
892a6ffc
JA		 3841}
3842
74929ac2
JA		 3843/*
3844 * Look for reserved variable names and replace them with real values
3845 */
3846static char *fio_keyword_replace(char *opt)
3847{
3848 char *s;
3849 int i;
d0c814ec 3850 int docalc = 0;
74929ac2
JA		 3851
3852 for (i = 0; fio_keywords[i].word != NULL; i++) {
3853 struct fio_keyword *kw = &fio_keywords[i];
3854
3855 while ((s = strstr(opt, kw->word)) != NULL) {
3856 char *new = malloc(strlen(opt) + 1);
3857 char *o_org = opt;
3858 int olen = s - opt;
3859 int len;
3860
3861 /*
3862 * Copy part of the string before the keyword and
3863 * sprintf() the replacement after it.
3864 */
3865 memcpy(new, opt, olen);
3866 len = sprintf(new + olen, "%s", kw->replace);
3867
3868 /*
3869 * If there's more in the original string, copy that
3870 * in too
3871 */
3872 opt += strlen(kw->word) + olen;
3873 if (strlen(opt))
3874 memcpy(new + olen + len, opt, opt - o_org - 1);
3875
3876 /*
3877 * replace opt and free the old opt
3878 */
3879 opt = new;
d0c814ec 3880 free(o_org);
7a958bd5 3881
d0c814ec 3882 docalc = 1;
74929ac2
JA		 3883 }
3884 }
3885
d0c814ec
SL		 3886 /*
3887 * Check for potential math and invoke bc, if possible
3888 */
3889 if (docalc)
3890 opt = bc_calc(opt);
3891
7a958bd5 3892 return opt;
74929ac2
JA		 3893}
3894
d0c814ec
SL		 3895static char **dup_and_sub_options(char **opts, int num_opts)
3896{
3897 int i;
3898 char **opts_copy = malloc(num_opts * sizeof(*opts));
3899 for (i = 0; i < num_opts; i++) {
3900 opts_copy[i] = option_dup_subs(opts[i]);
3901 if (!opts_copy[i])
3902 continue;
3903 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3904 }
3905 return opts_copy;
3906}
3907
292cc475
JA		 3908int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
3909 int dump_cmdline)
214e1eca 3910{
de890a1e 3911 int i, ret, unknown;
d0c814ec 3912 char **opts_copy;
3b8b7135 3913
9af4a244 3914 sort_options(opts, fio_options, num_opts);
d0c814ec 3915 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 3916
de890a1e
SL		 3917 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3918 struct fio_option *o;
9af4a244 3919 int newret = parse_option(opts_copy[i], opts[i], fio_options,
292cc475 3920 &o, td, dump_cmdline);
d0c814ec 3921
de890a1e
SL		 3922 if (opts_copy[i]) {
3923 if (newret && !o) {
3924 unknown++;
3925 continue;
3926 }
d0c814ec 3927 free(opts_copy[i]);
de890a1e
SL		 3928 opts_copy[i] = NULL;
3929 }
3930
3931 ret |= newret;
3932 }
3933
3934 if (unknown) {
3935 ret |= ioengine_load(td);
3936 if (td->eo) {
3937 sort_options(opts_copy, td->io_ops->options, num_opts);
3938 opts = opts_copy;
3939 }
3940 for (i = 0; i < num_opts; i++) {
3941 struct fio_option *o = NULL;
3942 int newret = 1;
3943 if (!opts_copy[i])
3944 continue;
3945
3946 if (td->eo)
3947 newret = parse_option(opts_copy[i], opts[i],
3948 td->io_ops->options, &o,
292cc475 3949 td->eo, dump_cmdline);
de890a1e
SL		 3950
3951 ret |= newret;
3952 if (!o)
3953 log_err("Bad option <%s>\n", opts[i]);
3954
3955 free(opts_copy[i]);
3956 opts_copy[i] = NULL;
3957 }
74929ac2 3958 }
3b8b7135 3959
d0c814ec 3960 free(opts_copy);
3b8b7135 3961 return ret;
214e1eca
JA		 3962}
3963
3964int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3965{
9af4a244 3966 return parse_cmd_option(opt, val, fio_options, td);
214e1eca
JA		 3967}
3968
de890a1e
SL		 3969int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3970 char *val)
3971{
8a96c80e 3972 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
de890a1e
SL		 3973}
3974
214e1eca
JA		 3975void fio_fill_default_options(struct thread_data *td)
3976{
cb1402d6 3977 td->o.magic = OPT_MAGIC;
9af4a244 3978 fill_default_options(td, fio_options);
214e1eca
JA		 3979}
3980
3981int fio_show_option_help(const char *opt)
3982{
9af4a244 3983 return show_cmd_help(fio_options, opt);
214e1eca 3984}
d23bb327 3985
de890a1e 3986void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 3987{
de890a1e 3988 struct fio_option *o;
d23bb327 3989 char **ptr;
d23bb327 3990
de890a1e
SL		 3991 for (o = &options[0]; o->name; o++) {
3992 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 3993 continue;
3994
f0fdbcaf 3995 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 3996 if (*ptr)
3997 *ptr = strdup(*ptr);
d23bb327
JA		 3998 }
3999}
4000
de890a1e
SL		 4001/*
4002 * dupe FIO_OPT_STR_STORE options
4003 */
4004void fio_options_mem_dupe(struct thread_data *td)
4005{
9af4a244 4006 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 4007
4008 if (td->eo && td->io_ops) {
de890a1e 4009 void *oldeo = td->eo;
1647f592 4010
de890a1e
SL		 4011 td->eo = malloc(td->io_ops->option_struct_size);
4012 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4013 options_mem_dupe(td->eo, td->io_ops->options);
4014 }
4015}
4016
d6978a32
JA		 4017unsigned int fio_get_kb_base(void *data)
4018{
83ea422a 4019 struct thread_options *o = data;
d6978a32
JA		 4020 unsigned int kb_base = 0;
4021
cb1402d6
JA		 4022 /*
4023 * This is a hack... For private options, *data is not holding
4024 * a pointer to the thread_options, but to private data. This means
4025 * we can't safely dereference it, but magic is first so mem wise
4026 * it is valid. But this also means that if the job first sets
4027 * kb_base and expects that to be honored by private options,
4028 * it will be disappointed. We will return the global default
4029 * for this.
4030 */
4031 if (o && o->magic == OPT_MAGIC)
83ea422a 4032 kb_base = o->kb_base;
d6978a32
JA		 4033 if (!kb_base)
4034 kb_base = 1024;
4035
4036 return kb_base;
4037}
9f988e2e 4038
07b3232d 4039int add_option(struct fio_option *o)
9f988e2e 4040{
07b3232d
JA		 4041 struct fio_option *__o;
4042 int opt_index = 0;
4043
9af4a244 4044 __o = fio_options;
07b3232d
JA		 4045 while (__o->name) {
4046 opt_index++;
4047 __o++;
4048 }
4049
7b504edd
JA		 4050 if (opt_index + 1 == FIO_MAX_OPTS) {
4051 log_err("fio: FIO_MAX_OPTS is too small\n");
4052 return 1;
4053 }
4054
9af4a244 4055 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4056 fio_options[opt_index + 1].name = NULL;
07b3232d 4057 return 0;
9f988e2e 4058}
e2de69da 4059
07b3232d 4060void invalidate_profile_options(const char *prof_name)
e2de69da 4061{
07b3232d 4062 struct fio_option *o;
e2de69da 4063
9af4a244 4064 o = fio_options;
07b3232d
JA		 4065 while (o->name) {
4066 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4067 o->type = FIO_OPT_INVALID;
4068 o->prof_name = NULL;
4069 }
4070 o++;
e2de69da
JA		 4071 }
4072}
f5b6bb85
JA		 4073
4074void add_opt_posval(const char *optname, const char *ival, const char *help)
4075{
4076 struct fio_option *o;
4077 unsigned int i;
4078
9af4a244 4079 o = find_option(fio_options, optname);
f5b6bb85
JA		 4080 if (!o)
4081 return;
4082
4083 for (i = 0; i < PARSE_MAX_VP; i++) {
4084 if (o->posval[i].ival)
4085 continue;
4086
4087 o->posval[i].ival = ival;
4088 o->posval[i].help = help;
4089 break;
4090 }
4091}
4092
4093void del_opt_posval(const char *optname, const char *ival)
4094{
4095 struct fio_option *o;
4096 unsigned int i;
4097
9af4a244 4098 o = find_option(fio_options, optname);
f5b6bb85
JA		 4099 if (!o)
4100 return;
4101
4102 for (i = 0; i < PARSE_MAX_VP; i++) {
4103 if (!o->posval[i].ival)
4104 continue;
4105 if (strcmp(o->posval[i].ival, ival))
4106 continue;
4107
4108 o->posval[i].ival = NULL;
4109 o->posval[i].help = NULL;
4110 }
4111}
7e356b2d
JA		 4112
4113void fio_options_free(struct thread_data *td)
4114{
9af4a244 4115 options_free(fio_options, td);
de890a1e
SL		 4116 if (td->eo && td->io_ops && td->io_ops->options) {
4117 options_free(td->io_ops->options, td->eo);
4118 free(td->eo);
4119 td->eo = NULL;
4120 }
7e356b2d 4121}
c504ee55
JA		 4122
4123struct fio_option *fio_option_find(const char *name)
4124{
4125 return find_option(fio_options, name);
4126}
4127
fio - Flexible IO Tester