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Fix keyword replacement leaks
[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>
e13c3b50 11#include <netinet/in.h>
214e1eca
JA		 12
13#include "fio.h"
4f5af7b2 14#include "verify.h"
214e1eca 15#include "parse.h"
eef32359 16#include "lib/fls.h"
9f988e2e 17#include "options.h"
214e1eca 18
5d7c5d34
JA		 19#include "crc/crc32c.h"
20
e13c3b50 21char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 22
214e1eca
JA		 23/*
24 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
25 */
26static char *get_opt_postfix(const char *str)
27{
28 char *p = strstr(str, ":");
29
30 if (!p)
31 return NULL;
32
33 p++;
34 strip_blank_front(&p);
35 strip_blank_end(p);
36 return strdup(p);
37}
38
0e92f873
RR		 39static int converthexchartoint(char a)
40{
41 int base;
42
3c3ed070 43 switch (a) {
0e92f873
RR		 44 case '0'...'9':
45 base = '0';
46 break;
47 case 'A'...'F':
48 base = 'A' - 10;
49 break;
50 case 'a'...'f':
51 base = 'a' - 10;
52 break;
53 default:
54 base = 0;
55 }
3c3ed070 56 return a - base;
0e92f873
RR		 57}
58
564ca972
JA		 59static int bs_cmp(const void *p1, const void *p2)
60{
61 const struct bssplit *bsp1 = p1;
62 const struct bssplit *bsp2 = p2;
63
64 return bsp1->perc < bsp2->perc;
65}
66
83ea422a 67static int bssplit_ddir(struct thread_options *o, int ddir, char *str)
564ca972 68{
720e84ad 69 struct bssplit *bssplit;
564ca972
JA		 70 unsigned int i, perc, perc_missing;
71 unsigned int max_bs, min_bs;
72 long long val;
720e84ad 73 char *fname;
564ca972 74
83ea422a 75 o->bssplit_nr[ddir] = 4;
720e84ad 76 bssplit = malloc(4 * sizeof(struct bssplit));
564ca972
JA		 77
78 i = 0;
79 max_bs = 0;
80 min_bs = -1;
81 while ((fname = strsep(&str, ":")) != NULL) {
82 char *perc_str;
83
84 if (!strlen(fname))
85 break;
86
87 /*
88 * grow struct buffer, if needed
89 */
83ea422a
JA		 90 if (i == o->bssplit_nr[ddir]) {
91 o->bssplit_nr[ddir] <<= 1;
92 bssplit = realloc(bssplit, o->bssplit_nr[ddir]
5ec10eaa 93 * sizeof(struct bssplit));
564ca972
JA		 94 }
95
96 perc_str = strstr(fname, "/");
97 if (perc_str) {
98 *perc_str = '\0';
99 perc_str++;
100 perc = atoi(perc_str);
101 if (perc > 100)
102 perc = 100;
103 else if (!perc)
d711cce5 104 perc = -1U;
564ca972 105 } else
d711cce5 106 perc = -1U;
564ca972 107
88038bc7 108 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
564ca972 109 log_err("fio: bssplit conversion failed\n");
d8b97c8e 110 free(bssplit);
564ca972
JA		 111 return 1;
112 }
113
114 if (val > max_bs)
115 max_bs = val;
116 if (val < min_bs)
117 min_bs = val;
118
720e84ad
JA		 119 bssplit[i].bs = val;
120 bssplit[i].perc = perc;
564ca972
JA		 121 i++;
122 }
123
83ea422a 124 o->bssplit_nr[ddir] = i;
564ca972
JA		 125
126 /*
127 * Now check if the percentages add up, and how much is missing
128 */
129 perc = perc_missing = 0;
83ea422a 130 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 131 struct bssplit *bsp = &bssplit[i];
564ca972 132
d711cce5 133 if (bsp->perc == -1U)
564ca972
JA		 134 perc_missing++;
135 else
136 perc += bsp->perc;
137 }
138
40bafa33 139 if (perc > 100 && perc_missing > 1) {
564ca972 140 log_err("fio: bssplit percentages add to more than 100%%\n");
720e84ad 141 free(bssplit);
564ca972
JA		 142 return 1;
143 }
d711cce5 144
564ca972
JA		 145 /*
146 * If values didn't have a percentage set, divide the remains between
147 * them.
148 */
149 if (perc_missing) {
d711cce5 150 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 151 perc = 100;
83ea422a 152 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
720e84ad 153 struct bssplit *bsp = &bssplit[i];
564ca972 154
d711cce5 155 if (bsp->perc == -1U)
564ca972
JA		 156 bsp->perc = (100 - perc) / perc_missing;
157 }
158 }
159
83ea422a
JA		 160 o->min_bs[ddir] = min_bs;
161 o->max_bs[ddir] = max_bs;
564ca972
JA		 162
163 /*
164 * now sort based on percentages, for ease of lookup
165 */
83ea422a
JA		 166 qsort(bssplit, o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
167 o->bssplit[ddir] = bssplit;
720e84ad 168 return 0;
720e84ad
JA		 169}
170
171static int str_bssplit_cb(void *data, const char *input)
172{
173 struct thread_data *td = data;
6eaf09d6 174 char *str, *p, *odir, *ddir;
720e84ad
JA		 175 int ret = 0;
176
52c0cea3
JA		 177 if (parse_dryrun())
178 return 0;
179
720e84ad
JA		 180 p = str = strdup(input);
181
182 strip_blank_front(&str);
183 strip_blank_end(str);
184
185 odir = strchr(str, ',');
186 if (odir) {
6eaf09d6
SL		 187 ddir = strchr(odir + 1, ',');
188 if (ddir) {
d79db122 189 ret = bssplit_ddir(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL		 190 if (!ret)
191 *ddir = '\0';
192 } else {
193 char *op;
194
195 op = strdup(odir + 1);
d79db122 196 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 197
198 free(op);
199 }
d79db122
JA		 200 if (!ret)
201 ret = bssplit_ddir(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA		 202 if (!ret) {
203 *odir = '\0';
83ea422a 204 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad
JA		 205 }
206 } else {
207 char *op;
208
209 op = strdup(str);
d79db122 210 ret = bssplit_ddir(&td->o, DDIR_WRITE, op);
6eaf09d6 211 free(op);
720e84ad 212
6eaf09d6
SL		 213 if (!ret) {
214 op = strdup(str);
d79db122 215 ret = bssplit_ddir(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 216 free(op);
217 }
83ea422a 218 ret = bssplit_ddir(&td->o, DDIR_READ, str);
720e84ad 219 }
564ca972
JA		 220
221 free(p);
720e84ad 222 return ret;
564ca972
JA		 223}
224
8b28bd41
DM		 225static int str2error(char *str)
226{
a94eb99a 227 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 228 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
229 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
230 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
231 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
232 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
233 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 234 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
8b28bd41
DM		 235 int i = 0, num = sizeof(err) / sizeof(void *);
236
a94eb99a 237 while (i < num) {
8b28bd41
DM		 238 if (!strcmp(err[i], str))
239 return i + 1;
240 i++;
241 }
242 return 0;
243}
244
245static int ignore_error_type(struct thread_data *td, int etype, char *str)
246{
247 unsigned int i;
248 int *error;
249 char *fname;
250
251 if (etype >= ERROR_TYPE_CNT) {
252 log_err("Illegal error type\n");
253 return 1;
254 }
255
256 td->o.ignore_error_nr[etype] = 4;
257 error = malloc(4 * sizeof(struct bssplit));
258
259 i = 0;
260 while ((fname = strsep(&str, ":")) != NULL) {
261
262 if (!strlen(fname))
263 break;
264
265 /*
266 * grow struct buffer, if needed
267 */
268 if (i == td->o.ignore_error_nr[etype]) {
269 td->o.ignore_error_nr[etype] <<= 1;
270 error = realloc(error, td->o.ignore_error_nr[etype]
271 * sizeof(int));
272 }
273 if (fname[0] == 'E') {
274 error[i] = str2error(fname);
275 } else {
276 error[i] = atoi(fname);
277 if (error[i] < 0)
1616e025 278 error[i] = -error[i];
8b28bd41
DM		 279 }
280 if (!error[i]) {
281 log_err("Unknown error %s, please use number value \n",
282 fname);
0fddbf7a 283 free(error);
8b28bd41
DM		 284 return 1;
285 }
286 i++;
287 }
288 if (i) {
289 td->o.continue_on_error |= 1 << etype;
290 td->o.ignore_error_nr[etype] = i;
291 td->o.ignore_error[etype] = error;
c7b086be
JA		 292 } else
293 free(error);
294
8b28bd41
DM		 295 return 0;
296
297}
298
299static int str_ignore_error_cb(void *data, const char *input)
300{
301 struct thread_data *td = data;
302 char *str, *p, *n;
303 int type = 0, ret = 1;
52c0cea3
JA		 304
305 if (parse_dryrun())
306 return 0;
307
8b28bd41
DM		 308 p = str = strdup(input);
309
310 strip_blank_front(&str);
311 strip_blank_end(str);
312
313 while (p) {
314 n = strchr(p, ',');
315 if (n)
316 *n++ = '\0';
317 ret = ignore_error_type(td, type, p);
318 if (ret)
319 break;
320 p = n;
321 type++;
322 }
323 free(str);
324 return ret;
325}
326
211097b2
JA		 327static int str_rw_cb(void *data, const char *str)
328{
329 struct thread_data *td = data;
83ea422a 330 struct thread_options *o = &td->o;
27ca949f 331 char *nr;
211097b2 332
52c0cea3
JA		 333 if (parse_dryrun())
334 return 0;
335
83ea422a
JA		 336 o->ddir_seq_nr = 1;
337 o->ddir_seq_add = 0;
059b0802 338
27ca949f 339 nr = get_opt_postfix(str);
059b0802
JA		 340 if (!nr)
341 return 0;
342
343 if (td_random(td))
83ea422a 344 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 345 else {
346 long long val;
347
88038bc7 348 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 349 log_err("fio: rw postfix parsing failed\n");
350 free(nr);
351 return 1;
352 }
353
83ea422a 354 o->ddir_seq_add = val;
182ec6ee 355 }
211097b2 356
059b0802 357 free(nr);
211097b2
JA		 358 return 0;
359}
360
214e1eca
JA		 361static int str_mem_cb(void *data, const char *mem)
362{
363 struct thread_data *td = data;
364
d9759b1e 365 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
836fcc0f 366 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 367
368 return 0;
369}
370
c223da83
JA		 371static int fio_clock_source_cb(void *data, const char *str)
372{
373 struct thread_data *td = data;
374
375 fio_clock_source = td->o.clocksource;
fa80feae 376 fio_clock_source_set = 1;
01423eae 377 fio_clock_init();
c223da83
JA		 378 return 0;
379}
380
85bc833b 381static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA		 382{
383 struct thread_data *td = data;
384
385 td->o.rwmix[DDIR_READ] = *val;
386 td->o.rwmix[DDIR_WRITE] = 100 - *val;
387 return 0;
388}
389
85bc833b 390static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA		 391{
392 struct thread_data *td = data;
393
394 td->o.rwmix[DDIR_WRITE] = *val;
395 td->o.rwmix[DDIR_READ] = 100 - *val;
396 return 0;
397}
398
214e1eca
JA		 399static int str_exitall_cb(void)
400{
401 exitall_on_terminate = 1;
402 return 0;
403}
404
214e1eca 405#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 406int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 407{
50b5860b 408 unsigned int i, index, cpus_in_mask;
c2acfbac 409 const long max_cpu = cpus_online();
c2acfbac 410
50b5860b
JA		 411 cpus_in_mask = fio_cpu_count(mask);
412 cpu_index = cpu_index % cpus_in_mask;
413
414 index = 0;
c2acfbac 415 for (i = 0; i < max_cpu; i++) {
50b5860b 416 if (!fio_cpu_isset(mask, i))
c2acfbac 417 continue;
50b5860b
JA		 418
419 if (cpu_index != index)
420 fio_cpu_clear(mask, i);
421
422 index++;
c2acfbac
JA		 423 }
424
425 return fio_cpu_count(mask);
426}
427
85bc833b 428static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA		 429{
430 struct thread_data *td = data;
214e1eca 431 unsigned int i;
b03daafb 432 long max_cpu;
d2ce18b5
JA		 433 int ret;
434
52c0cea3
JA		 435 if (parse_dryrun())
436 return 0;
437
d2ce18b5
JA		 438 ret = fio_cpuset_init(&td->o.cpumask);
439 if (ret < 0) {
440 log_err("fio: cpuset_init failed\n");
441 td_verror(td, ret, "fio_cpuset_init");
442 return 1;
443 }
214e1eca 444
c00a2289 445 max_cpu = cpus_online();
214e1eca 446
62a7273d
JA		 447 for (i = 0; i < sizeof(int) * 8; i++) {
448 if ((1 << i) & *val) {
b8411399 449 if (i >= max_cpu) {
b03daafb 450 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 451 max_cpu - 1);
b03daafb
JA		 452 return 1;
453 }
62a7273d 454 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 455 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 456 }
457 }
d2e268b0 458
d2e268b0 459 return 0;
214e1eca
JA		 460}
461
e8462bd8
JA		 462static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
463 const char *input)
214e1eca 464{
d2e268b0 465 char *cpu, *str, *p;
b03daafb 466 long max_cpu;
19608d6c 467 int ret = 0;
d2e268b0 468
e8462bd8 469 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 470 if (ret < 0) {
471 log_err("fio: cpuset_init failed\n");
472 td_verror(td, ret, "fio_cpuset_init");
473 return 1;
474 }
d2e268b0
JA		 475
476 p = str = strdup(input);
214e1eca 477
d2e268b0
JA		 478 strip_blank_front(&str);
479 strip_blank_end(str);
480
c00a2289 481 max_cpu = cpus_online();
b03daafb 482
d2e268b0 483 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 484 char *str2, *cpu2;
485 int icpu, icpu2;
486
d2e268b0
JA		 487 if (!strlen(cpu))
488 break;
62a7273d
JA		 489
490 str2 = cpu;
491 icpu2 = -1;
492 while ((cpu2 = strsep(&str2, "-")) != NULL) {
493 if (!strlen(cpu2))
494 break;
495
496 icpu2 = atoi(cpu2);
497 }
498
499 icpu = atoi(cpu);
500 if (icpu2 == -1)
501 icpu2 = icpu;
502 while (icpu <= icpu2) {
6d459ee7 503 if (icpu >= FIO_MAX_CPUS) {
19608d6c 504 log_err("fio: your OS only supports up to"
6d459ee7 505 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 506 ret = 1;
507 break;
508 }
9e986889 509 if (icpu >= max_cpu) {
b03daafb 510 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 511 icpu, max_cpu - 1);
b03daafb
JA		 512 ret = 1;
513 break;
514 }
0b9d69ec 515
62a7273d 516 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 517 fio_cpu_set(mask, icpu);
62a7273d
JA		 518 icpu++;
519 }
19608d6c
JA		 520 if (ret)
521 break;
d2e268b0
JA		 522 }
523
524 free(p);
19608d6c 525 return ret;
214e1eca 526}
e8462bd8
JA		 527
528static int str_cpus_allowed_cb(void *data, const char *input)
529{
530 struct thread_data *td = data;
e8462bd8 531
52c0cea3
JA		 532 if (parse_dryrun())
533 return 0;
534
b2a9e649 535 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 536}
537
538static int str_verify_cpus_allowed_cb(void *data, const char *input)
539{
540 struct thread_data *td = data;
e8462bd8 541
b2a9e649 542 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 543}
d2e268b0 544#endif
214e1eca 545
67bf9823 546#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 547static int str_numa_cpunodes_cb(void *data, char *input)
548{
549 struct thread_data *td = data;
43522848 550 struct bitmask *verify_bitmask;
d0b937ed 551
52c0cea3
JA		 552 if (parse_dryrun())
553 return 0;
554
d0b937ed
YR		 555 /* numa_parse_nodestring() parses a character string list
556 * of nodes into a bit mask. The bit mask is allocated by
557 * numa_allocate_nodemask(), so it should be freed by
558 * numa_free_nodemask().
559 */
43522848
DG		 560 verify_bitmask = numa_parse_nodestring(input);
561 if (verify_bitmask == NULL) {
d0b937ed
YR		 562 log_err("fio: numa_parse_nodestring failed\n");
563 td_verror(td, 1, "str_numa_cpunodes_cb");
564 return 1;
565 }
43522848 566 numa_free_nodemask(verify_bitmask);
d0b937ed 567
43522848 568 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 569 return 0;
570}
571
572static int str_numa_mpol_cb(void *data, char *input)
573{
574 struct thread_data *td = data;
575 const char * const policy_types[] =
05d6f44b 576 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 577 int i;
52c0cea3 578 char *nodelist;
43522848 579 struct bitmask *verify_bitmask;
52c0cea3
JA		 580
581 if (parse_dryrun())
582 return 0;
d0b937ed 583
52c0cea3 584 nodelist = strchr(input, ':');
d0b937ed
YR		 585 if (nodelist) {
586 /* NUL-terminate mode */
587 *nodelist++ = '\0';
588 }
589
590 for (i = 0; i <= MPOL_LOCAL; i++) {
591 if (!strcmp(input, policy_types[i])) {
592 td->o.numa_mem_mode = i;
593 break;
594 }
595 }
596 if (i > MPOL_LOCAL) {
597 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
598 goto out;
599 }
600
601 switch (td->o.numa_mem_mode) {
602 case MPOL_PREFERRED:
603 /*
604 * Insist on a nodelist of one node only
605 */
606 if (nodelist) {
607 char *rest = nodelist;
608 while (isdigit(*rest))
609 rest++;
610 if (*rest) {
611 log_err("fio: one node only for \'prefer\'\n");
612 goto out;
613 }
614 } else {
615 log_err("fio: one node is needed for \'prefer\'\n");
616 goto out;
617 }
618 break;
619 case MPOL_INTERLEAVE:
620 /*
621 * Default to online nodes with memory if no nodelist
622 */
623 if (!nodelist)
624 nodelist = strdup("all");
625 break;
626 case MPOL_LOCAL:
627 case MPOL_DEFAULT:
628 /*
629 * Don't allow a nodelist
630 */
631 if (nodelist) {
632 log_err("fio: NO nodelist for \'local\'\n");
633 goto out;
634 }
635 break;
636 case MPOL_BIND:
637 /*
638 * Insist on a nodelist
639 */
640 if (!nodelist) {
641 log_err("fio: a nodelist is needed for \'bind\'\n");
642 goto out;
643 }
644 break;
645 }
646
647
648 /* numa_parse_nodestring() parses a character string list
649 * of nodes into a bit mask. The bit mask is allocated by
650 * numa_allocate_nodemask(), so it should be freed by
651 * numa_free_nodemask().
652 */
653 switch (td->o.numa_mem_mode) {
654 case MPOL_PREFERRED:
655 td->o.numa_mem_prefer_node = atoi(nodelist);
656 break;
657 case MPOL_INTERLEAVE:
658 case MPOL_BIND:
43522848
DG		 659 verify_bitmask = numa_parse_nodestring(nodelist);
660 if (verify_bitmask == NULL) {
d0b937ed
YR		 661 log_err("fio: numa_parse_nodestring failed\n");
662 td_verror(td, 1, "str_numa_memnodes_cb");
663 return 1;
664 }
43522848
DG		 665 td->o.numa_memnodes = strdup(nodelist);
666 numa_free_nodemask(verify_bitmask);
b74e419e 667
d0b937ed
YR		 668 break;
669 case MPOL_LOCAL:
670 case MPOL_DEFAULT:
671 default:
672 break;
673 }
674
d0b937ed 675 return 0;
d0b937ed
YR		 676out:
677 return 1;
678}
679#endif
680
214e1eca
JA		 681static int str_fst_cb(void *data, const char *str)
682{
683 struct thread_data *td = data;
684 char *nr = get_opt_postfix(str);
685
686 td->file_service_nr = 1;
182ec6ee 687 if (nr) {
214e1eca 688 td->file_service_nr = atoi(nr);
182ec6ee
JA		 689 free(nr);
690 }
214e1eca
JA		 691
692 return 0;
693}
694
67bf9823 695#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 696static int str_sfr_cb(void *data, const char *str)
697{
698 struct thread_data *td = data;
699 char *nr = get_opt_postfix(str);
700
701 td->sync_file_range_nr = 1;
702 if (nr) {
703 td->sync_file_range_nr = atoi(nr);
704 free(nr);
705 }
706
707 return 0;
708}
3ae06371 709#endif
44f29692 710
e25839d4
JA		 711static int str_random_distribution_cb(void *data, const char *str)
712{
713 struct thread_data *td = data;
714 double val;
715 char *nr;
716
52c0cea3
JA		 717 if (parse_dryrun())
718 return 0;
719
925fee33 720 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 721 val = FIO_DEF_ZIPF;
925fee33 722 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 723 val = FIO_DEF_PARETO;
56d9fa4b
JA		 724 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
725 val = 0.0;
925fee33 726 else
e25839d4
JA		 727 return 0;
728
729 nr = get_opt_postfix(str);
88038bc7 730 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 731 log_err("fio: random postfix parsing failed\n");
732 free(nr);
733 return 1;
734 }
735
078189c1
JA		 736 free(nr);
737
18ded917
JA		 738 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
739 if (val == 1.00) {
740 log_err("fio: zipf theta must different than 1.0\n");
741 return 1;
742 }
1e5324e7 743 td->o.zipf_theta.u.f = val;
56d9fa4b 744 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 745 if (val <= 0.00 || val >= 1.00) {
746 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
747 return 1;
748 }
1e5324e7 749 td->o.pareto_h.u.f = val;
3cdb8cf3
JA		 750 } else {
751 if (val <= 0.00 || val >= 100.0) {
752 log_err("fio: normal deviation out of range (0 < input < 100.0)\n");
753 return 1;
754 }
f88cd222 755 td->o.gauss_dev.u.f = val;
3cdb8cf3 756 }
921c766f
JA		 757
758 return 0;
759}
760
8e827d35 761/*
bcbfeefa 762 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 763 * is escaped with a '\', then that ':' is part of the filename and does not
764 * indicate a new file.
765 */
bcbfeefa 766static char *get_next_name(char **ptr)
8e827d35
JA		 767{
768 char *str = *ptr;
769 char *p, *start;
770
771 if (!str || !strlen(str))
772 return NULL;
773
774 start = str;
775 do {
776 /*
777 * No colon, we are done
778 */
779 p = strchr(str, ':');
780 if (!p) {
781 *ptr = NULL;
782 break;
783 }
784
785 /*
786 * We got a colon, but it's the first character. Skip and
787 * continue
788 */
789 if (p == start) {
790 str = ++start;
791 continue;
792 }
793
794 if (*(p - 1) != '\\') {
795 *p = '\0';
796 *ptr = p + 1;
797 break;
798 }
799
800 memmove(p - 1, p, strlen(p) + 1);
801 str = p;
802 } while (1);
803
804 return start;
805}
806
bcbfeefa
CE		 807
808static int get_max_name_idx(char *input)
809{
810 unsigned int cur_idx;
811 char *str, *p;
812
813 p = str = strdup(input);
814 for (cur_idx = 0; ; cur_idx++)
815 if (get_next_name(&str) == NULL)
816 break;
817
818 free(p);
819 return cur_idx;
820}
821
822/*
823 * Returns the directory at the index, indexes > entires will be
824 * assigned via modulo division of the index
825 */
e13c3b50 826int set_name_idx(char *target, size_t tlen, char *input, int index)
bcbfeefa
CE		 827{
828 unsigned int cur_idx;
829 int len;
830 char *fname, *str, *p;
831
832 p = str = strdup(input);
833
834 index %= get_max_name_idx(input);
835 for (cur_idx = 0; cur_idx <= index; cur_idx++)
836 fname = get_next_name(&str);
837
72a703da 838 if (client_sockaddr_str[0]) {
e13c3b50
JA		 839 len = snprintf(target, tlen, "%s/%s.", fname,
840 client_sockaddr_str);
841 } else
842 len = snprintf(target, tlen, "%s/", fname);
72a703da 843
e13c3b50 844 target[tlen - 1] = '\0';
bcbfeefa
CE		 845 free(p);
846
847 return len;
848}
849
214e1eca
JA		 850static int str_filename_cb(void *data, const char *input)
851{
852 struct thread_data *td = data;
853 char *fname, *str, *p;
854
855 p = str = strdup(input);
856
857 strip_blank_front(&str);
858 strip_blank_end(str);
859
860 if (!td->files_index)
2dc1bbeb 861 td->o.nr_files = 0;
214e1eca 862
bcbfeefa 863 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 864 if (!strlen(fname))
865 break;
5903e7b7 866 add_file(td, fname, 0, 1);
214e1eca
JA		 867 }
868
869 free(p);
870 return 0;
871}
872
bcbfeefa 873static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA		 874{
875 struct thread_data *td = data;
876 struct stat sb;
bcbfeefa
CE		 877 char *dirname, *str, *p;
878 int ret = 0;
214e1eca 879
f9633d72
JA		 880 if (parse_dryrun())
881 return 0;
882
bcbfeefa
CE		 883 p = str = strdup(td->o.directory);
884 while ((dirname = get_next_name(&str)) != NULL) {
885 if (lstat(dirname, &sb) < 0) {
886 ret = errno;
921c766f 887
bcbfeefa
CE		 888 log_err("fio: %s is not a directory\n", dirname);
889 td_verror(td, ret, "lstat");
890 goto out;
891 }
892 if (!S_ISDIR(sb.st_mode)) {
893 log_err("fio: %s is not a directory\n", dirname);
894 ret = 1;
895 goto out;
896 }
214e1eca
JA		 897 }
898
bcbfeefa
CE		 899out:
900 free(p);
901 return ret;
214e1eca
JA		 902}
903
904static int str_opendir_cb(void *data, const char fio_unused *str)
905{
906 struct thread_data *td = data;
907
52c0cea3
JA		 908 if (parse_dryrun())
909 return 0;
910
214e1eca 911 if (!td->files_index)
2dc1bbeb 912 td->o.nr_files = 0;
214e1eca 913
2dc1bbeb 914 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 915}
916
ce35b1ec
JA		 917static int pattern_cb(char *pattern, unsigned int max_size,
918 const char *input, unsigned int *pattern_bytes)
90059d65 919{
0e92f873 920 long off;
ce35b1ec
JA		 921 int i = 0, j = 0, len, k, base = 10;
922 uint32_t pattern_length;
3c3ed070 923 char *loc1, *loc2;
0e92f873 924
02975b64
JA		 925 /*
926 * Check if it's a string input
927 */
928 loc1 = strchr(input, '\"');
929 if (loc1) {
930 do {
931 loc1++;
932 if (*loc1 == '\0' || *loc1 == '\"')
933 break;
934
935 pattern[i] = *loc1;
936 i++;
937 } while (i < max_size);
938
939 if (!i)
940 return 1;
941
942 goto fill;
943 }
944
945 /*
946 * No string, find out if it's decimal or hexidecimal
947 */
0e92f873
RR		 948 loc1 = strstr(input, "0x");
949 loc2 = strstr(input, "0X");
950 if (loc1 || loc2)
951 base = 16;
952 off = strtol(input, NULL, base);
953 if (off != LONG_MAX || errno != ERANGE) {
954 while (off) {
ce35b1ec 955 pattern[i] = off & 0xff;
0e92f873
RR		 956 off >>= 8;
957 i++;
958 }
959 } else {
960 len = strlen(input);
961 k = len - 1;
962 if (base == 16) {
963 if (loc1)
964 j = loc1 - input + 2;
965 else
966 j = loc2 - input + 2;
967 } else
968 return 1;
ce35b1ec 969 if (len - j < max_size * 2) {
0e92f873
RR		 970 while (k >= j) {
971 off = converthexchartoint(input[k--]);
972 if (k >= j)
973 off += (converthexchartoint(input[k--])
974 * 16);
ce35b1ec 975 pattern[i++] = (char) off;
0e92f873
RR		 976 }
977 }
978 }
efcd9dcc
SL		 979
980 /*
981 * Fill the pattern all the way to the end. This greatly reduces
982 * the number of memcpy's we have to do when verifying the IO.
983 */
02975b64 984fill:
e078de4a 985 pattern_length = i;
ce35b1ec
JA		 986 while (i > 1 && i * 2 <= max_size) {
987 memcpy(&pattern[i], &pattern[0], i);
efcd9dcc
SL		 988 i *= 2;
989 }
e078de4a
JA		 990
991 /*
992 * Fill remainder, if the pattern multiple ends up not being
ce35b1ec 993 * max_size.
e078de4a 994 */
ce35b1ec
JA		 995 while (i > 1 && i < max_size) {
996 unsigned int b = min(pattern_length, max_size - i);
e078de4a 997
ce35b1ec 998 memcpy(&pattern[i], &pattern[0], b);
e078de4a
JA		 999 i += b;
1000 }
1001
9a2a86d0
SL		 1002 if (i == 1) {
1003 /*
d2ba0d7c
JA		 1004 * The code in verify_io_u_pattern assumes a single byte
1005 * pattern fills the whole verify pattern buffer.
9a2a86d0 1006 */
ce35b1ec
JA		 1007 memset(pattern, pattern[0], max_size);
1008 }
1009
1010 *pattern_bytes = i;
1011 return 0;
1012}
1013
1014static int str_buffer_pattern_cb(void *data, const char *input)
1015{
1016 struct thread_data *td = data;
1017 int ret;
1018
1019 ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
1020 &td->o.buffer_pattern_bytes);
1021
d2ba0d7c 1022 if (!ret && td->o.buffer_pattern_bytes) {
3397806e
JA		 1023 if (!td->o.compress_percentage)
1024 td->o.refill_buffers = 0;
ce35b1ec
JA		 1025 td->o.scramble_buffers = 0;
1026 td->o.zero_buffers = 0;
d2ba0d7c
JA		 1027 } else {
1028 log_err("fio: failed parsing pattern `%s`\n", input);
1029 ret = 1;
9a2a86d0 1030 }
efcd9dcc 1031
ce35b1ec
JA		 1032 return ret;
1033}
1034
bedc9dc2
JA		 1035static int str_buffer_compress_cb(void *data, unsigned long long *il)
1036{
1037 struct thread_data *td = data;
1038
1039 td->flags |= TD_F_COMPRESS;
1040 td->o.compress_percentage = *il;
1041 return 0;
1042}
1043
5c94b008
JA		 1044static int str_dedupe_cb(void *data, unsigned long long *il)
1045{
1046 struct thread_data *td = data;
1047
1048 td->flags |= TD_F_COMPRESS;
1049 td->o.dedupe_percentage = *il;
1050 td->o.refill_buffers = 1;
1051 return 0;
1052}
1053
ce35b1ec
JA		 1054static int str_verify_pattern_cb(void *data, const char *input)
1055{
1056 struct thread_data *td = data;
1057 int ret;
1058
1059 ret = pattern_cb(td->o.verify_pattern, MAX_PATTERN_SIZE, input,
1060 &td->o.verify_pattern_bytes);
efcd9dcc 1061
92bf48d5
JA		 1062 /*
1063 * VERIFY_META could already be set
1064 */
ce35b1ec 1065 if (!ret && td->o.verify == VERIFY_NONE)
92bf48d5 1066 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1067
ce35b1ec 1068 return ret;
90059d65 1069}
214e1eca 1070
993bf48b
JA		 1071static int str_gtod_reduce_cb(void *data, int *il)
1072{
1073 struct thread_data *td = data;
1074 int val = *il;
1075
02af0988 1076 td->o.disable_lat = !!val;
993bf48b
JA		 1077 td->o.disable_clat = !!val;
1078 td->o.disable_slat = !!val;
1079 td->o.disable_bw = !!val;
0dc1bc03 1080 td->o.clat_percentiles = !val;
993bf48b
JA		 1081 if (val)
1082 td->tv_cache_mask = 63;
1083
1084 return 0;
1085}
1086
7bb59102
JA		 1087static int str_size_cb(void *data, unsigned long long *__val)
1088{
1089 struct thread_data *td = data;
1090 unsigned long long v = *__val;
1091
1092 if (parse_is_percent(v)) {
1093 td->o.size = 0;
1094 td->o.size_percent = -1ULL - v;
1095 } else
1096 td->o.size = v;
1097
1098 return 0;
1099}
1100
896cac2a
JA		 1101static int rw_verify(struct fio_option *o, void *data)
1102{
1103 struct thread_data *td = data;
1104
1105 if (read_only && td_write(td)) {
1106 log_err("fio: job <%s> has write bit set, but fio is in"
1107 " read-only mode\n", td->o.name);
1108 return 1;
1109 }
1110
1111 return 0;
1112}
1113
276ca4f7 1114static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1115{
276ca4f7 1116#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1117 struct thread_data *td = data;
1118
29d43ff9
JA		 1119 if (td->o.gtod_cpu) {
1120 log_err("fio: platform must support CPU affinity for"
1121 "gettimeofday() offloading\n");
1122 return 1;
1123 }
1124#endif
1125
1126 return 0;
1127}
1128
9af4a244
JA		 1129/*
1130 * Option grouping
1131 */
1132static struct opt_group fio_opt_groups[] = {
1133 {
e8b0e958
JA		 1134 .name = "General",
1135 .mask = FIO_OPT_C_GENERAL,
9af4a244
JA		 1136 },
1137 {
e8b0e958
JA		 1138 .name = "I/O",
1139 .mask = FIO_OPT_C_IO,
9af4a244
JA		 1140 },
1141 {
e8b0e958
JA		 1142 .name = "File",
1143 .mask = FIO_OPT_C_FILE,
9af4a244
JA		 1144 },
1145 {
e8b0e958
JA		 1146 .name = "Statistics",
1147 .mask = FIO_OPT_C_STAT,
9af4a244
JA		 1148 },
1149 {
e8b0e958
JA		 1150 .name = "Logging",
1151 .mask = FIO_OPT_C_LOG,
9af4a244 1152 },
13fca827
JA		 1153 {
1154 .name = "Profiles",
1155 .mask = FIO_OPT_C_PROFILE,
1156 },
e231bbe6 1157 {
e8b0e958 1158 .name = NULL,
e231bbe6 1159 },
e8b0e958
JA		 1160};
1161
1162static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1163 unsigned int inv_mask)
1164{
1165 struct opt_group *og;
1166 int i;
1167
1168 if (*mask == inv_mask || !*mask)
1169 return NULL;
1170
1171 for (i = 0; ogs[i].name; i++) {
1172 og = &ogs[i];
1173
1174 if (*mask & og->mask) {
1175 *mask &= ~(og->mask);
1176 return og;
1177 }
1178 }
1179
1180 return NULL;
1181}
1182
1183struct opt_group *opt_group_from_mask(unsigned int *mask)
1184{
1185 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1186}
1187
1188static struct opt_group fio_opt_cat_groups[] = {
3e260a46
JA		 1189 {
1190 .name = "Latency profiling",
1191 .mask = FIO_OPT_G_LATPROF,
1192 },
9af4a244 1193 {
e8b0e958
JA		 1194 .name = "Rate",
1195 .mask = FIO_OPT_G_RATE,
9af4a244
JA		 1196 },
1197 {
e8b0e958
JA		 1198 .name = "Zone",
1199 .mask = FIO_OPT_G_ZONE,
9af4a244
JA		 1200 },
1201 {
e8b0e958
JA		 1202 .name = "Read/write mix",
1203 .mask = FIO_OPT_G_RWMIX,
9af4a244
JA		 1204 },
1205 {
1206 .name = "Verify",
1207 .mask = FIO_OPT_G_VERIFY,
1208 },
1209 {
e8b0e958
JA		 1210 .name = "Trim",
1211 .mask = FIO_OPT_G_TRIM,
9af4a244
JA		 1212 },
1213 {
e8b0e958
JA		 1214 .name = "I/O Logging",
1215 .mask = FIO_OPT_G_IOLOG,
9af4a244
JA		 1216 },
1217 {
e8b0e958
JA		 1218 .name = "I/O Depth",
1219 .mask = FIO_OPT_G_IO_DEPTH,
9af4a244
JA		 1220 },
1221 {
e8b0e958
JA		 1222 .name = "I/O Flow",
1223 .mask = FIO_OPT_G_IO_FLOW,
9af4a244 1224 },
0626037e
JA		 1225 {
1226 .name = "Description",
1227 .mask = FIO_OPT_G_DESC,
1228 },
1229 {
1230 .name = "Filename",
1231 .mask = FIO_OPT_G_FILENAME,
1232 },
1233 {
1234 .name = "General I/O",
1235 .mask = FIO_OPT_G_IO_BASIC,
1236 },
a1f6afec
JA		 1237 {
1238 .name = "Cgroups",
1239 .mask = FIO_OPT_G_CGROUP,
1240 },
1241 {
1242 .name = "Runtime",
1243 .mask = FIO_OPT_G_RUNTIME,
1244 },
10860056
JA		 1245 {
1246 .name = "Process",
1247 .mask = FIO_OPT_G_PROCESS,
1248 },
1249 {
1250 .name = "Job credentials / priority",
1251 .mask = FIO_OPT_G_CRED,
1252 },
1253 {
1254 .name = "Clock settings",
1255 .mask = FIO_OPT_G_CLOCK,
1256 },
3ceb458f
JA		 1257 {
1258 .name = "I/O Type",
1259 .mask = FIO_OPT_G_IO_TYPE,
1260 },
1261 {
1262 .name = "I/O Thinktime",
1263 .mask = FIO_OPT_G_THINKTIME,
1264 },
1265 {
1266 .name = "Randomizations",
1267 .mask = FIO_OPT_G_RANDOM,
1268 },
1269 {
1270 .name = "I/O buffers",
1271 .mask = FIO_OPT_G_IO_BUF,
1272 },
13fca827
JA		 1273 {
1274 .name = "Tiobench profile",
1275 .mask = FIO_OPT_G_TIOBENCH,
1276 },
65fa28ca
DE		 1277 {
1278 .name = "MTD",
1279 .mask = FIO_OPT_G_MTD,
1280 },
13fca827 1281
9af4a244
JA		 1282 {
1283 .name = NULL,
e8b0e958 1284 }
9af4a244
JA		 1285};
1286
e8b0e958 1287struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
9af4a244 1288{
e8b0e958 1289 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
9af4a244
JA		 1290}
1291
214e1eca
JA		 1292/*
1293 * Map of job/command line options
1294 */
9af4a244 1295struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1296 {
1297 .name = "description",
e8b0e958 1298 .lname = "Description of job",
214e1eca
JA		 1299 .type = FIO_OPT_STR_STORE,
1300 .off1 = td_var_offset(description),
1301 .help = "Text job description",
e8b0e958 1302 .category = FIO_OPT_C_GENERAL,
0626037e 1303 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1304 },
1305 {
1306 .name = "name",
e8b0e958 1307 .lname = "Job name",
214e1eca
JA		 1308 .type = FIO_OPT_STR_STORE,
1309 .off1 = td_var_offset(name),
1310 .help = "Name of this job",
e8b0e958 1311 .category = FIO_OPT_C_GENERAL,
0626037e 1312 .group = FIO_OPT_G_DESC,
214e1eca 1313 },
214e1eca
JA		 1314 {
1315 .name = "filename",
e8b0e958 1316 .lname = "Filename(s)",
214e1eca
JA		 1317 .type = FIO_OPT_STR_STORE,
1318 .off1 = td_var_offset(filename),
1319 .cb = str_filename_cb,
f0d524b0 1320 .prio = -1, /* must come after "directory" */
214e1eca 1321 .help = "File(s) to use for the workload",
e8b0e958 1322 .category = FIO_OPT_C_FILE,
0626037e 1323 .group = FIO_OPT_G_FILENAME,
214e1eca 1324 },
90fef2d1 1325 {
e8b0e958
JA		 1326 .name = "directory",
1327 .lname = "Directory",
1328 .type = FIO_OPT_STR_STORE,
1329 .off1 = td_var_offset(directory),
1330 .cb = str_directory_cb,
1331 .help = "Directory to store files in",
1332 .category = FIO_OPT_C_FILE,
0626037e 1333 .group = FIO_OPT_G_FILENAME,
90fef2d1 1334 },
de98bd30
JA		 1335 {
1336 .name = "filename_format",
1337 .type = FIO_OPT_STR_STORE,
1338 .off1 = td_var_offset(filename_format),
1339 .prio = -1, /* must come after "directory" */
1340 .help = "Override default $jobname.$jobnum.$filenum naming",
1341 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1342 .category = FIO_OPT_C_FILE,
1343 .group = FIO_OPT_G_FILENAME,
ad705bcb 1344 },
29c1349f
JA		 1345 {
1346 .name = "lockfile",
e8b0e958 1347 .lname = "Lockfile",
4d4e80f2 1348 .type = FIO_OPT_STR,
4d4e80f2 1349 .off1 = td_var_offset(file_lock_mode),
29c1349f 1350 .help = "Lock file when doing IO to it",
bc6a0a5d 1351 .prio = 1,
29c1349f 1352 .parent = "filename",
d71c154c 1353 .hide = 0,
4d4e80f2 1354 .def = "none",
e8b0e958 1355 .category = FIO_OPT_C_FILE,
0626037e 1356 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1357 .posval = {
1358 { .ival = "none",
1359 .oval = FILE_LOCK_NONE,
1360 .help = "No file locking",
1361 },
1362 { .ival = "exclusive",
1363 .oval = FILE_LOCK_EXCLUSIVE,
1364 .help = "Exclusive file lock",
1365 },
1366 {
1367 .ival = "readwrite",
1368 .oval = FILE_LOCK_READWRITE,
1369 .help = "Read vs write lock",
1370 },
1371 },
29c1349f 1372 },
214e1eca
JA		 1373 {
1374 .name = "opendir",
e8b0e958 1375 .lname = "Open directory",
214e1eca
JA		 1376 .type = FIO_OPT_STR_STORE,
1377 .off1 = td_var_offset(opendir),
1378 .cb = str_opendir_cb,
1379 .help = "Recursively add files from this directory and down",
e8b0e958 1380 .category = FIO_OPT_C_FILE,
0626037e 1381 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1382 },
1383 {
1384 .name = "rw",
e8b0e958 1385 .lname = "Read/write",
d3aad8f2 1386 .alias = "readwrite",
214e1eca 1387 .type = FIO_OPT_STR,
211097b2 1388 .cb = str_rw_cb,
214e1eca
JA		 1389 .off1 = td_var_offset(td_ddir),
1390 .help = "IO direction",
1391 .def = "read",
896cac2a 1392 .verify = rw_verify,
e8b0e958 1393 .category = FIO_OPT_C_IO,
0626037e 1394 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1395 .posval = {
1396 { .ival = "read",
1397 .oval = TD_DDIR_READ,
1398 .help = "Sequential read",
1399 },
1400 { .ival = "write",
1401 .oval = TD_DDIR_WRITE,
1402 .help = "Sequential write",
1403 },
6eaf09d6
SL		 1404 { .ival = "trim",
1405 .oval = TD_DDIR_TRIM,
1406 .help = "Sequential trim",
1407 },
214e1eca
JA		 1408 { .ival = "randread",
1409 .oval = TD_DDIR_RANDREAD,
1410 .help = "Random read",
1411 },
1412 { .ival = "randwrite",
1413 .oval = TD_DDIR_RANDWRITE,
1414 .help = "Random write",
1415 },
6eaf09d6
SL		 1416 { .ival = "randtrim",
1417 .oval = TD_DDIR_RANDTRIM,
1418 .help = "Random trim",
1419 },
214e1eca
JA		 1420 { .ival = "rw",
1421 .oval = TD_DDIR_RW,
1422 .help = "Sequential read and write mix",
1423 },
10b023db
JA		 1424 { .ival = "readwrite",
1425 .oval = TD_DDIR_RW,
1426 .help = "Sequential read and write mix",
1427 },
214e1eca
JA		 1428 { .ival = "randrw",
1429 .oval = TD_DDIR_RANDRW,
1430 .help = "Random read and write mix"
1431 },
82a90686
JA		 1432 { .ival = "trimwrite",
1433 .oval = TD_DDIR_TRIMWRITE,
1434 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1435 },
214e1eca
JA		 1436 },
1437 },
38dad62d
JA		 1438 {
1439 .name = "rw_sequencer",
e8b0e958 1440 .lname = "RW Sequencer",
38dad62d
JA		 1441 .type = FIO_OPT_STR,
1442 .off1 = td_var_offset(rw_seq),
1443 .help = "IO offset generator modifier",
1444 .def = "sequential",
e8b0e958 1445 .category = FIO_OPT_C_IO,
0626037e 1446 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1447 .posval = {
1448 { .ival = "sequential",
1449 .oval = RW_SEQ_SEQ,
1450 .help = "Generate sequential offsets",
1451 },
1452 { .ival = "identical",
1453 .oval = RW_SEQ_IDENT,
1454 .help = "Generate identical offsets",
1455 },
1456 },
1457 },
1458
214e1eca
JA		 1459 {
1460 .name = "ioengine",
e8b0e958 1461 .lname = "IO Engine",
214e1eca
JA		 1462 .type = FIO_OPT_STR_STORE,
1463 .off1 = td_var_offset(ioengine),
1464 .help = "IO engine to use",
58483fa4 1465 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1466 .category = FIO_OPT_C_IO,
0626037e 1467 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1468 .posval = {
1469 { .ival = "sync",
1470 .help = "Use read/write",
1471 },
a31041ea 1472 { .ival = "psync",
1473 .help = "Use pread/pwrite",
1474 },
1d2af02a 1475 { .ival = "vsync",
03e20d68 1476 .help = "Use readv/writev",
1d2af02a 1477 },
07fc0acd
JA		 1478#ifdef CONFIG_PWRITEV
1479 { .ival = "pvsync",
1480 .help = "Use preadv/pwritev",
1481 },
1482#endif
67bf9823 1483#ifdef CONFIG_LIBAIO
214e1eca
JA		 1484 { .ival = "libaio",
1485 .help = "Linux native asynchronous IO",
1486 },
1487#endif
67bf9823 1488#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1489 { .ival = "posixaio",
1490 .help = "POSIX asynchronous IO",
1491 },
417f0068 1492#endif
997843cb 1493#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1494 { .ival = "solarisaio",
1495 .help = "Solaris native asynchronous IO",
1496 },
214e1eca 1497#endif
4700b234 1498#ifdef CONFIG_WINDOWSAIO
03e20d68 1499 { .ival = "windowsaio",
3be80071 1500 .help = "Windows native asynchronous IO"
de890a1e 1501 },
fc5c0345
DG		 1502#endif
1503#ifdef CONFIG_RBD
1504 { .ival = "rbd",
1505 .help = "Rados Block Device asynchronous IO"
1506 },
3be80071 1507#endif
214e1eca 1508 { .ival = "mmap",
03e20d68 1509 .help = "Memory mapped IO"
214e1eca 1510 },
67bf9823 1511#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1512 { .ival = "splice",
1513 .help = "splice/vmsplice based IO",
1514 },
9cce02e8
JA		 1515 { .ival = "netsplice",
1516 .help = "splice/vmsplice to/from the network",
1517 },
214e1eca
JA		 1518#endif
1519#ifdef FIO_HAVE_SGIO
1520 { .ival = "sg",
1521 .help = "SCSI generic v3 IO",
1522 },
1523#endif
1524 { .ival = "null",
1525 .help = "Testing engine (no data transfer)",
1526 },
1527 { .ival = "net",
1528 .help = "Network IO",
1529 },
214e1eca 1530 { .ival = "cpuio",
03e20d68 1531 .help = "CPU cycle burner engine",
214e1eca 1532 },
67bf9823 1533#ifdef CONFIG_GUASI
b8c82a46
JA		 1534 { .ival = "guasi",
1535 .help = "GUASI IO engine",
1536 },
79a43187
JA		 1537#endif
1538#ifdef FIO_HAVE_BINJECT
1539 { .ival = "binject",
1540 .help = "binject direct inject block engine",
1541 },
21b8aee8 1542#endif
67bf9823 1543#ifdef CONFIG_RDMA
21b8aee8 1544 { .ival = "rdma",
1545 .help = "RDMA IO engine",
1546 },
8200b8c7 1547#endif
67bf9823 1548#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1549 { .ival = "fusion-aw-sync",
1550 .help = "Fusion-io atomic write engine",
1551 },
1ecc95ca 1552#endif
997843cb 1553#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1554 { .ival = "e4defrag",
1555 .help = "ext4 defrag engine",
1556 },
1557#endif
997843cb 1558#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1559 { .ival = "falloc",
1560 .help = "fallocate() file based engine",
1561 },
b8c82a46 1562#endif
a7c386f4 1563#ifdef CONFIG_GFAPI
1564 { .ival = "gfapi",
cc47f094 1565 .help = "Glusterfs libgfapi(sync) based engine"
1566 },
1567 { .ival = "gfapi_async",
1568 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1569 },
1570#endif
1b10477b 1571#ifdef CONFIG_LIBHDFS
b74e419e 1572 { .ival = "libhdfs",
1b10477b
MM		 1573 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1574 },
1575#endif
214e1eca
JA		 1576 { .ival = "external",
1577 .help = "Load external engine (append name)",
1578 },
1579 },
1580 },
1581 {
1582 .name = "iodepth",
e8b0e958 1583 .lname = "IO Depth",
214e1eca
JA		 1584 .type = FIO_OPT_INT,
1585 .off1 = td_var_offset(iodepth),
03e20d68 1586 .help = "Number of IO buffers to keep in flight",
757aff4f 1587 .minval = 1,
20eb06bd 1588 .interval = 1,
214e1eca 1589 .def = "1",
e8b0e958 1590 .category = FIO_OPT_C_IO,
0626037e 1591 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1592 },
1593 {
1594 .name = "iodepth_batch",
e8b0e958 1595 .lname = "IO Depth batch",
4950421a 1596 .alias = "iodepth_batch_submit",
214e1eca
JA		 1597 .type = FIO_OPT_INT,
1598 .off1 = td_var_offset(iodepth_batch),
d65db441 1599 .help = "Number of IO buffers to submit in one go",
afdf9352 1600 .parent = "iodepth",
d71c154c 1601 .hide = 1,
a2e6f8ac 1602 .minval = 1,
20eb06bd 1603 .interval = 1,
a2e6f8ac 1604 .def = "1",
e8b0e958 1605 .category = FIO_OPT_C_IO,
0626037e 1606 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1607 },
1608 {
1609 .name = "iodepth_batch_complete",
e8b0e958 1610 .lname = "IO Depth batch complete",
4950421a
JA		 1611 .type = FIO_OPT_INT,
1612 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1613 .help = "Number of IO buffers to retrieve in one go",
4950421a 1614 .parent = "iodepth",
d71c154c 1615 .hide = 1,
4950421a 1616 .minval = 0,
20eb06bd 1617 .interval = 1,
4950421a 1618 .def = "1",
e8b0e958 1619 .category = FIO_OPT_C_IO,
0626037e 1620 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1621 },
1622 {
1623 .name = "iodepth_low",
e8b0e958 1624 .lname = "IO Depth batch low",
214e1eca
JA		 1625 .type = FIO_OPT_INT,
1626 .off1 = td_var_offset(iodepth_low),
1627 .help = "Low water mark for queuing depth",
afdf9352 1628 .parent = "iodepth",
d71c154c 1629 .hide = 1,
20eb06bd 1630 .interval = 1,
e8b0e958 1631 .category = FIO_OPT_C_IO,
0626037e 1632 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1633 },
a9da8ab2
JA		 1634 {
1635 .name = "io_submit_mode",
1636 .lname = "IO submit mode",
1637 .type = FIO_OPT_STR,
1638 .off1 = td_var_offset(io_submit_mode),
1639 .help = "How IO submissions and completions are done",
1640 .def = "inline",
1641 .category = FIO_OPT_C_IO,
1642 .group = FIO_OPT_G_IO_BASIC,
1643 .posval = {
1644 { .ival = "inline",
1645 .oval = IO_MODE_INLINE,
1646 .help = "Submit and complete IO inline",
1647 },
1648 { .ival = "offload",
1649 .oval = IO_MODE_OFFLOAD,
1650 .help = "Offload submit and complete to threads",
1651 },
1652 },
1653 },
214e1eca
JA		 1654 {
1655 .name = "size",
e8b0e958 1656 .lname = "Size",
214e1eca 1657 .type = FIO_OPT_STR_VAL,
7bb59102 1658 .cb = str_size_cb,
a8523a6a 1659 .off1 = td_var_offset(size),
214e1eca 1660 .help = "Total size of device or files",
20eb06bd 1661 .interval = 1024 * 1024,
e8b0e958
JA		 1662 .category = FIO_OPT_C_IO,
1663 .group = FIO_OPT_G_INVALID,
214e1eca 1664 },
77731b29 1665 {
a4d3b4db
JA		 1666 .name = "io_size",
1667 .alias = "io_limit",
1668 .lname = "IO Size",
77731b29
JA		 1669 .type = FIO_OPT_STR_VAL,
1670 .off1 = td_var_offset(io_limit),
1671 .interval = 1024 * 1024,
1672 .category = FIO_OPT_C_IO,
1673 .group = FIO_OPT_G_INVALID,
1674 },
aa31f1f1
SL		 1675 {
1676 .name = "fill_device",
e8b0e958 1677 .lname = "Fill device",
74586c1e 1678 .alias = "fill_fs",
aa31f1f1
SL		 1679 .type = FIO_OPT_BOOL,
1680 .off1 = td_var_offset(fill_device),
1681 .help = "Write until an ENOSPC error occurs",
1682 .def = "0",
e8b0e958
JA		 1683 .category = FIO_OPT_C_FILE,
1684 .group = FIO_OPT_G_INVALID,
aa31f1f1 1685 },
214e1eca
JA		 1686 {
1687 .name = "filesize",
e8b0e958 1688 .lname = "File size",
214e1eca
JA		 1689 .type = FIO_OPT_STR_VAL,
1690 .off1 = td_var_offset(file_size_low),
1691 .off2 = td_var_offset(file_size_high),
c3edbdba 1692 .minval = 1,
214e1eca 1693 .help = "Size of individual files",
20eb06bd 1694 .interval = 1024 * 1024,
e8b0e958
JA		 1695 .category = FIO_OPT_C_FILE,
1696 .group = FIO_OPT_G_INVALID,
214e1eca 1697 },
bedc9dc2
JA		 1698 {
1699 .name = "file_append",
1700 .lname = "File append",
1701 .type = FIO_OPT_BOOL,
1702 .off1 = td_var_offset(file_append),
1703 .help = "IO will start at the end of the file(s)",
1704 .def = "0",
1705 .category = FIO_OPT_C_FILE,
1706 .group = FIO_OPT_G_INVALID,
1707 },
67a1000f
JA		 1708 {
1709 .name = "offset",
e8b0e958 1710 .lname = "IO offset",
67a1000f
JA		 1711 .alias = "fileoffset",
1712 .type = FIO_OPT_STR_VAL,
1713 .off1 = td_var_offset(start_offset),
1714 .help = "Start IO from this offset",
1715 .def = "0",
20eb06bd 1716 .interval = 1024 * 1024,
e8b0e958
JA		 1717 .category = FIO_OPT_C_IO,
1718 .group = FIO_OPT_G_INVALID,
67a1000f 1719 },
2d7cd868
JA		 1720 {
1721 .name = "offset_increment",
e8b0e958 1722 .lname = "IO offset increment",
2d7cd868
JA		 1723 .type = FIO_OPT_STR_VAL,
1724 .off1 = td_var_offset(offset_increment),
1725 .help = "What is the increment from one offset to the next",
1726 .parent = "offset",
d71c154c 1727 .hide = 1,
2d7cd868 1728 .def = "0",
20eb06bd 1729 .interval = 1024 * 1024,
e8b0e958
JA		 1730 .category = FIO_OPT_C_IO,
1731 .group = FIO_OPT_G_INVALID,
2d7cd868 1732 },
ddf24e42
JA		 1733 {
1734 .name = "number_ios",
1735 .lname = "Number of IOs to perform",
1736 .type = FIO_OPT_STR_VAL,
1737 .off1 = td_var_offset(number_ios),
be3fec7d 1738 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1739 .def = "0",
1740 .category = FIO_OPT_C_IO,
1741 .group = FIO_OPT_G_INVALID,
1742 },
214e1eca
JA		 1743 {
1744 .name = "bs",
e8b0e958 1745 .lname = "Block size",
d3aad8f2 1746 .alias = "blocksize",
e01b22b8 1747 .type = FIO_OPT_INT,
214e1eca
JA		 1748 .off1 = td_var_offset(bs[DDIR_READ]),
1749 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1750 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1751 .minval = 1,
214e1eca
JA		 1752 .help = "Block size unit",
1753 .def = "4k",
67a1000f 1754 .parent = "rw",
d71c154c 1755 .hide = 1,
20eb06bd 1756 .interval = 512,
e8b0e958
JA		 1757 .category = FIO_OPT_C_IO,
1758 .group = FIO_OPT_G_INVALID,
214e1eca 1759 },
2b7a01d0
JA		 1760 {
1761 .name = "ba",
e8b0e958 1762 .lname = "Block size align",
2b7a01d0 1763 .alias = "blockalign",
e01b22b8 1764 .type = FIO_OPT_INT,
2b7a01d0
JA		 1765 .off1 = td_var_offset(ba[DDIR_READ]),
1766 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1767 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1768 .minval = 1,
1769 .help = "IO block offset alignment",
1770 .parent = "rw",
d71c154c 1771 .hide = 1,
20eb06bd 1772 .interval = 512,
e8b0e958
JA		 1773 .category = FIO_OPT_C_IO,
1774 .group = FIO_OPT_G_INVALID,
2b7a01d0 1775 },
214e1eca
JA		 1776 {
1777 .name = "bsrange",
e8b0e958 1778 .lname = "Block size range",
d3aad8f2 1779 .alias = "blocksize_range",
214e1eca
JA		 1780 .type = FIO_OPT_RANGE,
1781 .off1 = td_var_offset(min_bs[DDIR_READ]),
1782 .off2 = td_var_offset(max_bs[DDIR_READ]),
1783 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1784 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1785 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1786 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1787 .minval = 1,
214e1eca 1788 .help = "Set block size range (in more detail than bs)",
67a1000f 1789 .parent = "rw",
d71c154c 1790 .hide = 1,
20eb06bd 1791 .interval = 4096,
e8b0e958
JA		 1792 .category = FIO_OPT_C_IO,
1793 .group = FIO_OPT_G_INVALID,
214e1eca 1794 },
564ca972
JA		 1795 {
1796 .name = "bssplit",
e8b0e958 1797 .lname = "Block size split",
564ca972
JA		 1798 .type = FIO_OPT_STR,
1799 .cb = str_bssplit_cb,
a8523a6a 1800 .off1 = td_var_offset(bssplit),
564ca972
JA		 1801 .help = "Set a specific mix of block sizes",
1802 .parent = "rw",
d71c154c 1803 .hide = 1,
e8b0e958
JA		 1804 .category = FIO_OPT_C_IO,
1805 .group = FIO_OPT_G_INVALID,
564ca972 1806 },
214e1eca
JA		 1807 {
1808 .name = "bs_unaligned",
e8b0e958 1809 .lname = "Block size unaligned",
d3aad8f2 1810 .alias = "blocksize_unaligned",
214e1eca
JA		 1811 .type = FIO_OPT_STR_SET,
1812 .off1 = td_var_offset(bs_unaligned),
1813 .help = "Don't sector align IO buffer sizes",
67a1000f 1814 .parent = "rw",
d71c154c 1815 .hide = 1,
e8b0e958
JA		 1816 .category = FIO_OPT_C_IO,
1817 .group = FIO_OPT_G_INVALID,
214e1eca 1818 },
6aca9b3d
JA		 1819 {
1820 .name = "bs_is_seq_rand",
1821 .lname = "Block size division is seq/random (not read/write)",
1822 .type = FIO_OPT_BOOL,
1823 .off1 = td_var_offset(bs_is_seq_rand),
86d59660 1824 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 1825 .def = "0",
1826 .parent = "blocksize",
1827 .category = FIO_OPT_C_IO,
1828 .group = FIO_OPT_G_INVALID,
1829 },
214e1eca
JA		 1830 {
1831 .name = "randrepeat",
e8b0e958 1832 .lname = "Random repeatable",
214e1eca
JA		 1833 .type = FIO_OPT_BOOL,
1834 .off1 = td_var_offset(rand_repeatable),
1835 .help = "Use repeatable random IO pattern",
1836 .def = "1",
67a1000f 1837 .parent = "rw",
d71c154c 1838 .hide = 1,
e8b0e958 1839 .category = FIO_OPT_C_IO,
3ceb458f 1840 .group = FIO_OPT_G_RANDOM,
214e1eca 1841 },
04778baf
JA		 1842 {
1843 .name = "randseed",
1844 .lname = "The random generator seed",
363cffa7 1845 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1846 .off1 = td_var_offset(rand_seed),
1847 .help = "Set the random generator seed value",
1848 .parent = "rw",
1849 .category = FIO_OPT_C_IO,
1850 .group = FIO_OPT_G_RANDOM,
1851 },
2615cc4b
JA		 1852 {
1853 .name = "use_os_rand",
e8b0e958 1854 .lname = "Use OS random",
54a21917
JA		 1855 .type = FIO_OPT_DEPRECATED,
1856 .off1 = td_var_offset(dep_use_os_rand),
e8b0e958 1857 .category = FIO_OPT_C_IO,
3ceb458f 1858 .group = FIO_OPT_G_RANDOM,
2615cc4b 1859 },
214e1eca
JA		 1860 {
1861 .name = "norandommap",
e8b0e958 1862 .lname = "No randommap",
214e1eca
JA		 1863 .type = FIO_OPT_STR_SET,
1864 .off1 = td_var_offset(norandommap),
1865 .help = "Accept potential duplicate random blocks",
67a1000f 1866 .parent = "rw",
d71c154c 1867 .hide = 1,
b2452a43 1868 .hide_on_set = 1,
e8b0e958 1869 .category = FIO_OPT_C_IO,
3ceb458f 1870 .group = FIO_OPT_G_RANDOM,
214e1eca 1871 },
2b386d25
JA		 1872 {
1873 .name = "softrandommap",
e8b0e958 1874 .lname = "Soft randommap",
2b386d25
JA		 1875 .type = FIO_OPT_BOOL,
1876 .off1 = td_var_offset(softrandommap),
f66ab3c8 1877 .help = "Set norandommap if randommap allocation fails",
2b386d25 1878 .parent = "norandommap",
d71c154c 1879 .hide = 1,
2b386d25 1880 .def = "0",
e8b0e958 1881 .category = FIO_OPT_C_IO,
3ceb458f 1882 .group = FIO_OPT_G_RANDOM,
2b386d25 1883 },
8055e41d
JA		 1884 {
1885 .name = "random_generator",
1886 .type = FIO_OPT_STR,
1887 .off1 = td_var_offset(random_generator),
1888 .help = "Type of random number generator to use",
1889 .def = "tausworthe",
1890 .posval = {
1891 { .ival = "tausworthe",
1892 .oval = FIO_RAND_GEN_TAUSWORTHE,
1893 .help = "Strong Tausworthe generator",
1894 },
1895 { .ival = "lfsr",
1896 .oval = FIO_RAND_GEN_LFSR,
1897 .help = "Variable length LFSR",
1898 },
1899 },
48107598
JA		 1900 .category = FIO_OPT_C_IO,
1901 .group = FIO_OPT_G_RANDOM,
8055e41d 1902 },
e25839d4
JA		 1903 {
1904 .name = "random_distribution",
1905 .type = FIO_OPT_STR,
1906 .off1 = td_var_offset(random_distribution),
1907 .cb = str_random_distribution_cb,
1908 .help = "Random offset distribution generator",
1909 .def = "random",
1910 .posval = {
1911 { .ival = "random",
1912 .oval = FIO_RAND_DIST_RANDOM,
1913 .help = "Completely random",
1914 },
1915 { .ival = "zipf",
1916 .oval = FIO_RAND_DIST_ZIPF,
1917 .help = "Zipf distribution",
1918 },
925fee33
JA		 1919 { .ival = "pareto",
1920 .oval = FIO_RAND_DIST_PARETO,
1921 .help = "Pareto distribution",
1922 },
56d9fa4b
JA		 1923 { .ival = "normal",
1924 .oval = FIO_RAND_DIST_GAUSS,
1925 .help = "Normal (gaussian) distribution",
1926 },
e25839d4 1927 },
48107598
JA		 1928 .category = FIO_OPT_C_IO,
1929 .group = FIO_OPT_G_RANDOM,
e25839d4 1930 },
211c9b89
JA		 1931 {
1932 .name = "percentage_random",
1933 .lname = "Percentage Random",
1934 .type = FIO_OPT_INT,
d9472271
JA		 1935 .off1 = td_var_offset(perc_rand[DDIR_READ]),
1936 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
1937 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 1938 .maxval = 100,
1939 .help = "Percentage of seq/random mix that should be random",
d9472271 1940 .def = "100,100,100",
211c9b89
JA		 1941 .interval = 5,
1942 .inverse = "percentage_sequential",
1943 .category = FIO_OPT_C_IO,
1944 .group = FIO_OPT_G_RANDOM,
1945 },
1946 {
1947 .name = "percentage_sequential",
1948 .lname = "Percentage Sequential",
d9472271 1949 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 1950 .category = FIO_OPT_C_IO,
1951 .group = FIO_OPT_G_RANDOM,
1952 },
56e2a5fc
CE		 1953 {
1954 .name = "allrandrepeat",
1955 .type = FIO_OPT_BOOL,
1956 .off1 = td_var_offset(allrand_repeatable),
1957 .help = "Use repeatable random numbers for everything",
1958 .def = "0",
a869d9c6
JA		 1959 .category = FIO_OPT_C_IO,
1960 .group = FIO_OPT_G_RANDOM,
56e2a5fc 1961 },
214e1eca
JA		 1962 {
1963 .name = "nrfiles",
e8b0e958 1964 .lname = "Number of files",
d7c8be03 1965 .alias = "nr_files",
214e1eca
JA		 1966 .type = FIO_OPT_INT,
1967 .off1 = td_var_offset(nr_files),
1968 .help = "Split job workload between this number of files",
1969 .def = "1",
20eb06bd 1970 .interval = 1,
e8b0e958
JA		 1971 .category = FIO_OPT_C_FILE,
1972 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1973 },
1974 {
1975 .name = "openfiles",
e8b0e958 1976 .lname = "Number of open files",
214e1eca
JA		 1977 .type = FIO_OPT_INT,
1978 .off1 = td_var_offset(open_files),
1979 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 1980 .category = FIO_OPT_C_FILE,
1981 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1982 },
1983 {
1984 .name = "file_service_type",
e8b0e958 1985 .lname = "File service type",
214e1eca
JA		 1986 .type = FIO_OPT_STR,
1987 .cb = str_fst_cb,
1988 .off1 = td_var_offset(file_service_type),
1989 .help = "How to select which file to service next",
1990 .def = "roundrobin",
e8b0e958
JA		 1991 .category = FIO_OPT_C_FILE,
1992 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 1993 .posval = {
1994 { .ival = "random",
1995 .oval = FIO_FSERVICE_RANDOM,
1996 .help = "Choose a file at random",
1997 },
1998 { .ival = "roundrobin",
1999 .oval = FIO_FSERVICE_RR,
2000 .help = "Round robin select files",
2001 },
a086c257
JA		 2002 { .ival = "sequential",
2003 .oval = FIO_FSERVICE_SEQ,
2004 .help = "Finish one file before moving to the next",
2005 },
214e1eca 2006 },
67a1000f 2007 .parent = "nrfiles",
d71c154c 2008 .hide = 1,
67a1000f 2009 },
97ac992c 2010#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2011 {
2012 .name = "fallocate",
e8b0e958 2013 .lname = "Fallocate",
a596f047
EG		 2014 .type = FIO_OPT_STR,
2015 .off1 = td_var_offset(fallocate_mode),
2016 .help = "Whether pre-allocation is performed when laying out files",
2017 .def = "posix",
e8b0e958
JA		 2018 .category = FIO_OPT_C_FILE,
2019 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2020 .posval = {
2021 { .ival = "none",
2022 .oval = FIO_FALLOCATE_NONE,
2023 .help = "Do not pre-allocate space",
2024 },
2025 { .ival = "posix",
2026 .oval = FIO_FALLOCATE_POSIX,
2027 .help = "Use posix_fallocate()",
2028 },
97ac992c 2029#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2030 { .ival = "keep",
2031 .oval = FIO_FALLOCATE_KEEP_SIZE,
2032 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2033 },
7bc8c2cf 2034#endif
a596f047
EG		 2035 /* Compatibility with former boolean values */
2036 { .ival = "0",
2037 .oval = FIO_FALLOCATE_NONE,
2038 .help = "Alias for 'none'",
2039 },
2040 { .ival = "1",
2041 .oval = FIO_FALLOCATE_POSIX,
2042 .help = "Alias for 'posix'",
2043 },
2044 },
2045 },
97ac992c 2046#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2047 {
2048 .name = "fadvise_hint",
e8b0e958 2049 .lname = "Fadvise hint",
67a1000f
JA		 2050 .type = FIO_OPT_BOOL,
2051 .off1 = td_var_offset(fadvise_hint),
2052 .help = "Use fadvise() to advise the kernel on IO pattern",
2053 .def = "1",
e8b0e958
JA		 2054 .category = FIO_OPT_C_FILE,
2055 .group = FIO_OPT_G_INVALID,
214e1eca 2056 },
37659335
JA		 2057#ifdef FIO_HAVE_STREAMID
2058 {
2059 .name = "fadvise_stream",
2060 .lname = "Fadvise stream",
2061 .type = FIO_OPT_INT,
2062 .off1 = td_var_offset(fadvise_stream),
2063 .help = "Use fadvise() to set stream ID",
2064 .category = FIO_OPT_C_FILE,
2065 .group = FIO_OPT_G_INVALID,
2066 },
2067#endif
214e1eca
JA		 2068 {
2069 .name = "fsync",
e8b0e958 2070 .lname = "Fsync",
214e1eca
JA		 2071 .type = FIO_OPT_INT,
2072 .off1 = td_var_offset(fsync_blocks),
2073 .help = "Issue fsync for writes every given number of blocks",
2074 .def = "0",
20eb06bd 2075 .interval = 1,
e8b0e958
JA		 2076 .category = FIO_OPT_C_FILE,
2077 .group = FIO_OPT_G_INVALID,
214e1eca 2078 },
5f9099ea
JA		 2079 {
2080 .name = "fdatasync",
e8b0e958 2081 .lname = "Fdatasync",
5f9099ea
JA		 2082 .type = FIO_OPT_INT,
2083 .off1 = td_var_offset(fdatasync_blocks),
2084 .help = "Issue fdatasync for writes every given number of blocks",
2085 .def = "0",
20eb06bd 2086 .interval = 1,
e8b0e958
JA		 2087 .category = FIO_OPT_C_FILE,
2088 .group = FIO_OPT_G_INVALID,
5f9099ea 2089 },
1ef2b6be
JA		 2090 {
2091 .name = "write_barrier",
e8b0e958 2092 .lname = "Write barrier",
1ef2b6be
JA		 2093 .type = FIO_OPT_INT,
2094 .off1 = td_var_offset(barrier_blocks),
2095 .help = "Make every Nth write a barrier write",
2096 .def = "0",
20eb06bd 2097 .interval = 1,
e8b0e958
JA		 2098 .category = FIO_OPT_C_IO,
2099 .group = FIO_OPT_G_INVALID,
1ef2b6be 2100 },
67bf9823 2101#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2102 {
2103 .name = "sync_file_range",
e8b0e958 2104 .lname = "Sync file range",
44f29692
JA		 2105 .posval = {
2106 { .ival = "wait_before",
2107 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2108 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2109 .orval = 1,
44f29692
JA		 2110 },
2111 { .ival = "write",
2112 .oval = SYNC_FILE_RANGE_WRITE,
2113 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2114 .orval = 1,
44f29692
JA		 2115 },
2116 {
2117 .ival = "wait_after",
2118 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2119 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2120 .orval = 1,
44f29692
JA		 2121 },
2122 },
3843deb3 2123 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2124 .cb = str_sfr_cb,
2125 .off1 = td_var_offset(sync_file_range),
2126 .help = "Use sync_file_range()",
e8b0e958
JA		 2127 .category = FIO_OPT_C_FILE,
2128 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2129 },
2130#endif
214e1eca
JA		 2131 {
2132 .name = "direct",
e8b0e958 2133 .lname = "Direct I/O",
214e1eca
JA		 2134 .type = FIO_OPT_BOOL,
2135 .off1 = td_var_offset(odirect),
2136 .help = "Use O_DIRECT IO (negates buffered)",
2137 .def = "0",
a01a1bc5 2138 .inverse = "buffered",
e8b0e958 2139 .category = FIO_OPT_C_IO,
3ceb458f 2140 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2141 },
d01612f3
CM		 2142 {
2143 .name = "atomic",
2144 .lname = "Atomic I/O",
2145 .type = FIO_OPT_BOOL,
2146 .off1 = td_var_offset(oatomic),
2147 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2148 .def = "0",
2149 .category = FIO_OPT_C_IO,
2150 .group = FIO_OPT_G_IO_TYPE,
2151 },
214e1eca
JA		 2152 {
2153 .name = "buffered",
e8b0e958 2154 .lname = "Buffered I/O",
214e1eca
JA		 2155 .type = FIO_OPT_BOOL,
2156 .off1 = td_var_offset(odirect),
2157 .neg = 1,
2158 .help = "Use buffered IO (negates direct)",
2159 .def = "1",
a01a1bc5 2160 .inverse = "direct",
e8b0e958 2161 .category = FIO_OPT_C_IO,
3ceb458f 2162 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2163 },
2164 {
2165 .name = "overwrite",
e8b0e958 2166 .lname = "Overwrite",
214e1eca
JA		 2167 .type = FIO_OPT_BOOL,
2168 .off1 = td_var_offset(overwrite),
2169 .help = "When writing, set whether to overwrite current data",
2170 .def = "0",
e8b0e958
JA		 2171 .category = FIO_OPT_C_FILE,
2172 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2173 },
2174 {
2175 .name = "loops",
e8b0e958 2176 .lname = "Loops",
214e1eca
JA		 2177 .type = FIO_OPT_INT,
2178 .off1 = td_var_offset(loops),
2179 .help = "Number of times to run the job",
2180 .def = "1",
20eb06bd 2181 .interval = 1,
e8b0e958 2182 .category = FIO_OPT_C_GENERAL,
a1f6afec 2183 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2184 },
2185 {
2186 .name = "numjobs",
e8b0e958 2187 .lname = "Number of jobs",
214e1eca
JA		 2188 .type = FIO_OPT_INT,
2189 .off1 = td_var_offset(numjobs),
2190 .help = "Duplicate this job this many times",
2191 .def = "1",
20eb06bd 2192 .interval = 1,
e8b0e958 2193 .category = FIO_OPT_C_GENERAL,
a1f6afec 2194 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2195 },
2196 {
2197 .name = "startdelay",
e8b0e958 2198 .lname = "Start delay",
a5737c93 2199 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2200 .off1 = td_var_offset(start_delay),
23ed19b0 2201 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2202 .help = "Only start job when this period has passed",
2203 .def = "0",
0de5b26f 2204 .is_seconds = 1,
88038bc7 2205 .is_time = 1,
e8b0e958 2206 .category = FIO_OPT_C_GENERAL,
a1f6afec 2207 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2208 },
2209 {
2210 .name = "runtime",
e8b0e958 2211 .lname = "Runtime",
214e1eca
JA		 2212 .alias = "timeout",
2213 .type = FIO_OPT_STR_VAL_TIME,
2214 .off1 = td_var_offset(timeout),
2215 .help = "Stop workload when this amount of time has passed",
2216 .def = "0",
0de5b26f 2217 .is_seconds = 1,
88038bc7 2218 .is_time = 1,
e8b0e958 2219 .category = FIO_OPT_C_GENERAL,
a1f6afec 2220 .group = FIO_OPT_G_RUNTIME,
214e1eca 2221 },
cf4464ca
JA		 2222 {
2223 .name = "time_based",
e8b0e958 2224 .lname = "Time based",
cf4464ca
JA		 2225 .type = FIO_OPT_STR_SET,
2226 .off1 = td_var_offset(time_based),
2227 .help = "Keep running until runtime/timeout is met",
e8b0e958 2228 .category = FIO_OPT_C_GENERAL,
a1f6afec 2229 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2230 },
62167762
JC		 2231 {
2232 .name = "verify_only",
2233 .lname = "Verify only",
2234 .type = FIO_OPT_STR_SET,
2235 .off1 = td_var_offset(verify_only),
2236 .help = "Verifies previously written data is still valid",
2237 .category = FIO_OPT_C_GENERAL,
2238 .group = FIO_OPT_G_RUNTIME,
2239 },
721938ae
JA		 2240 {
2241 .name = "ramp_time",
e8b0e958 2242 .lname = "Ramp time",
721938ae
JA		 2243 .type = FIO_OPT_STR_VAL_TIME,
2244 .off1 = td_var_offset(ramp_time),
2245 .help = "Ramp up time before measuring performance",
0de5b26f 2246 .is_seconds = 1,
88038bc7 2247 .is_time = 1,
e8b0e958 2248 .category = FIO_OPT_C_GENERAL,
a1f6afec 2249 .group = FIO_OPT_G_RUNTIME,
721938ae 2250 },
c223da83
JA		 2251 {
2252 .name = "clocksource",
e8b0e958 2253 .lname = "Clock source",
c223da83
JA		 2254 .type = FIO_OPT_STR,
2255 .cb = fio_clock_source_cb,
2256 .off1 = td_var_offset(clocksource),
2257 .help = "What type of timing source to use",
e8b0e958 2258 .category = FIO_OPT_C_GENERAL,
10860056 2259 .group = FIO_OPT_G_CLOCK,
c223da83 2260 .posval = {
67bf9823 2261#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2262 { .ival = "gettimeofday",
2263 .oval = CS_GTOD,
2264 .help = "Use gettimeofday(2) for timing",
2265 },
67bf9823
JA		 2266#endif
2267#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2268 { .ival = "clock_gettime",
2269 .oval = CS_CGETTIME,
2270 .help = "Use clock_gettime(2) for timing",
2271 },
67bf9823 2272#endif
c223da83
JA		 2273#ifdef ARCH_HAVE_CPU_CLOCK
2274 { .ival = "cpu",
2275 .oval = CS_CPUCLOCK,
2276 .help = "Use CPU private clock",
2277 },
2278#endif
2279 },
2280 },
214e1eca
JA		 2281 {
2282 .name = "mem",
d3aad8f2 2283 .alias = "iomem",
e8b0e958 2284 .lname = "I/O Memory",
214e1eca
JA		 2285 .type = FIO_OPT_STR,
2286 .cb = str_mem_cb,
2287 .off1 = td_var_offset(mem_type),
2288 .help = "Backing type for IO buffers",
2289 .def = "malloc",
e8b0e958
JA		 2290 .category = FIO_OPT_C_IO,
2291 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2292 .posval = {
2293 { .ival = "malloc",
2294 .oval = MEM_MALLOC,
2295 .help = "Use malloc(3) for IO buffers",
2296 },
c8931876 2297#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2298 { .ival = "shm",
2299 .oval = MEM_SHM,
2300 .help = "Use shared memory segments for IO buffers",
2301 },
214e1eca
JA		 2302#ifdef FIO_HAVE_HUGETLB
2303 { .ival = "shmhuge",
2304 .oval = MEM_SHMHUGE,
2305 .help = "Like shm, but use huge pages",
2306 },
c8931876 2307#endif
b370e46a 2308#endif
37c8cdfe
JA		 2309 { .ival = "mmap",
2310 .oval = MEM_MMAP,
2311 .help = "Use mmap(2) (file or anon) for IO buffers",
2312 },
214e1eca
JA		 2313#ifdef FIO_HAVE_HUGETLB
2314 { .ival = "mmaphuge",
2315 .oval = MEM_MMAPHUGE,
2316 .help = "Like mmap, but use huge pages",
2317 },
2318#endif
2319 },
2320 },
d529ee19
JA		 2321 {
2322 .name = "iomem_align",
2323 .alias = "mem_align",
e8b0e958 2324 .lname = "I/O memory alignment",
d529ee19
JA		 2325 .type = FIO_OPT_INT,
2326 .off1 = td_var_offset(mem_align),
2327 .minval = 0,
2328 .help = "IO memory buffer offset alignment",
2329 .def = "0",
2330 .parent = "iomem",
d71c154c 2331 .hide = 1,
e8b0e958
JA		 2332 .category = FIO_OPT_C_IO,
2333 .group = FIO_OPT_G_INVALID,
d529ee19 2334 },
214e1eca
JA		 2335 {
2336 .name = "verify",
e8b0e958 2337 .lname = "Verify",
214e1eca
JA		 2338 .type = FIO_OPT_STR,
2339 .off1 = td_var_offset(verify),
2340 .help = "Verify data written",
2341 .def = "0",
e8b0e958 2342 .category = FIO_OPT_C_IO,
3ceb458f 2343 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2344 .posval = {
2345 { .ival = "0",
2346 .oval = VERIFY_NONE,
2347 .help = "Don't do IO verification",
2348 },
fcca4b58
JA		 2349 { .ival = "md5",
2350 .oval = VERIFY_MD5,
2351 .help = "Use md5 checksums for verification",
2352 },
d77a7af3
JA		 2353 { .ival = "crc64",
2354 .oval = VERIFY_CRC64,
2355 .help = "Use crc64 checksums for verification",
2356 },
214e1eca
JA		 2357 { .ival = "crc32",
2358 .oval = VERIFY_CRC32,
2359 .help = "Use crc32 checksums for verification",
2360 },
af497e6a 2361 { .ival = "crc32c-intel",
e3aaafc4
JA		 2362 .oval = VERIFY_CRC32C,
2363 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2364 },
bac39e0e
JA		 2365 { .ival = "crc32c",
2366 .oval = VERIFY_CRC32C,
e3aaafc4 2367 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2368 },
969f7ed3
JA		 2369 { .ival = "crc16",
2370 .oval = VERIFY_CRC16,
2371 .help = "Use crc16 checksums for verification",
2372 },
1e154bdb
JA		 2373 { .ival = "crc7",
2374 .oval = VERIFY_CRC7,
2375 .help = "Use crc7 checksums for verification",
2376 },
7c353ceb
JA		 2377 { .ival = "sha1",
2378 .oval = VERIFY_SHA1,
2379 .help = "Use sha1 checksums for verification",
2380 },
cd14cc10
JA		 2381 { .ival = "sha256",
2382 .oval = VERIFY_SHA256,
2383 .help = "Use sha256 checksums for verification",
2384 },
2385 { .ival = "sha512",
2386 .oval = VERIFY_SHA512,
2387 .help = "Use sha512 checksums for verification",
2388 },
844ea602
JA		 2389 { .ival = "xxhash",
2390 .oval = VERIFY_XXHASH,
2391 .help = "Use xxhash checksums for verification",
2392 },
7437ee87
SL		 2393 { .ival = "meta",
2394 .oval = VERIFY_META,
2395 .help = "Use io information",
2396 },
36690c9b
JA		 2397 {
2398 .ival = "null",
2399 .oval = VERIFY_NULL,
2400 .help = "Pretend to verify",
2401 },
214e1eca
JA		 2402 },
2403 },
005c565a
JA		 2404 {
2405 .name = "do_verify",
e8b0e958 2406 .lname = "Perform verify step",
68e1f29a 2407 .type = FIO_OPT_BOOL,
005c565a
JA		 2408 .off1 = td_var_offset(do_verify),
2409 .help = "Run verification stage after write",
2410 .def = "1",
2411 .parent = "verify",
d71c154c 2412 .hide = 1,
e8b0e958
JA		 2413 .category = FIO_OPT_C_IO,
2414 .group = FIO_OPT_G_VERIFY,
005c565a 2415 },
160b966d
JA		 2416 {
2417 .name = "verifysort",
e8b0e958 2418 .lname = "Verify sort",
160b966d
JA		 2419 .type = FIO_OPT_BOOL,
2420 .off1 = td_var_offset(verifysort),
2421 .help = "Sort written verify blocks for read back",
2422 .def = "1",
c83f2df1 2423 .parent = "verify",
d71c154c 2424 .hide = 1,
e8b0e958
JA		 2425 .category = FIO_OPT_C_IO,
2426 .group = FIO_OPT_G_VERIFY,
160b966d 2427 },
1ae83d45
JA		 2428 {
2429 .name = "verifysort_nr",
2430 .type = FIO_OPT_INT,
2431 .off1 = td_var_offset(verifysort_nr),
2432 .help = "Pre-load and sort verify blocks for a read workload",
2433 .minval = 0,
2434 .maxval = 131072,
2435 .def = "1024",
2436 .parent = "verify",
836fcc0f
JA		 2437 .category = FIO_OPT_C_IO,
2438 .group = FIO_OPT_G_VERIFY,
1ae83d45 2439 },
3f9f4e26 2440 {
a59e170d 2441 .name = "verify_interval",
e8b0e958 2442 .lname = "Verify interval",
e01b22b8 2443 .type = FIO_OPT_INT,
a59e170d 2444 .off1 = td_var_offset(verify_interval),
819a9680 2445 .minval = 2 * sizeof(struct verify_header),
a59e170d 2446 .help = "Store verify buffer header every N bytes",
afdf9352 2447 .parent = "verify",
d71c154c 2448 .hide = 1,
20eb06bd 2449 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2450 .category = FIO_OPT_C_IO,
2451 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2452 },
546a9142 2453 {
a59e170d 2454 .name = "verify_offset",
e8b0e958 2455 .lname = "Verify offset",
e01b22b8 2456 .type = FIO_OPT_INT,
a59e170d 2457 .help = "Offset verify header location by N bytes",
203160d5
JA		 2458 .off1 = td_var_offset(verify_offset),
2459 .minval = sizeof(struct verify_header),
afdf9352 2460 .parent = "verify",
d71c154c 2461 .hide = 1,
e8b0e958
JA		 2462 .category = FIO_OPT_C_IO,
2463 .group = FIO_OPT_G_VERIFY,
546a9142 2464 },
e28218f3
SL		 2465 {
2466 .name = "verify_pattern",
e8b0e958 2467 .lname = "Verify pattern",
0e92f873 2468 .type = FIO_OPT_STR,
e28218f3 2469 .cb = str_verify_pattern_cb,
a8523a6a 2470 .off1 = td_var_offset(verify_pattern),
e28218f3
SL		 2471 .help = "Fill pattern for IO buffers",
2472 .parent = "verify",
d71c154c 2473 .hide = 1,
e8b0e958
JA		 2474 .category = FIO_OPT_C_IO,
2475 .group = FIO_OPT_G_VERIFY,
e28218f3 2476 },
a12a3b4d
JA		 2477 {
2478 .name = "verify_fatal",
e8b0e958 2479 .lname = "Verify fatal",
68e1f29a 2480 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2481 .off1 = td_var_offset(verify_fatal),
2482 .def = "0",
2483 .help = "Exit on a single verify failure, don't continue",
2484 .parent = "verify",
d71c154c 2485 .hide = 1,
e8b0e958
JA		 2486 .category = FIO_OPT_C_IO,
2487 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2488 },
b463e936
JA		 2489 {
2490 .name = "verify_dump",
e8b0e958 2491 .lname = "Verify dump",
b463e936
JA		 2492 .type = FIO_OPT_BOOL,
2493 .off1 = td_var_offset(verify_dump),
ef71e317 2494 .def = "0",
b463e936
JA		 2495 .help = "Dump contents of good and bad blocks on failure",
2496 .parent = "verify",
d71c154c 2497 .hide = 1,
e8b0e958
JA		 2498 .category = FIO_OPT_C_IO,
2499 .group = FIO_OPT_G_VERIFY,
b463e936 2500 },
e8462bd8
JA		 2501 {
2502 .name = "verify_async",
e8b0e958 2503 .lname = "Verify asynchronously",
e8462bd8
JA		 2504 .type = FIO_OPT_INT,
2505 .off1 = td_var_offset(verify_async),
2506 .def = "0",
2507 .help = "Number of async verifier threads to use",
2508 .parent = "verify",
d71c154c 2509 .hide = 1,
e8b0e958
JA		 2510 .category = FIO_OPT_C_IO,
2511 .group = FIO_OPT_G_VERIFY,
e8462bd8 2512 },
9e144189
JA		 2513 {
2514 .name = "verify_backlog",
e8b0e958 2515 .lname = "Verify backlog",
9e144189
JA		 2516 .type = FIO_OPT_STR_VAL,
2517 .off1 = td_var_offset(verify_backlog),
2518 .help = "Verify after this number of blocks are written",
2519 .parent = "verify",
d71c154c 2520 .hide = 1,
e8b0e958
JA		 2521 .category = FIO_OPT_C_IO,
2522 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2523 },
2524 {
2525 .name = "verify_backlog_batch",
e8b0e958 2526 .lname = "Verify backlog batch",
9e144189
JA		 2527 .type = FIO_OPT_INT,
2528 .off1 = td_var_offset(verify_batch),
2529 .help = "Verify this number of IO blocks",
0d29de83 2530 .parent = "verify",
d71c154c 2531 .hide = 1,
e8b0e958
JA		 2532 .category = FIO_OPT_C_IO,
2533 .group = FIO_OPT_G_VERIFY,
9e144189 2534 },
e8462bd8
JA		 2535#ifdef FIO_HAVE_CPU_AFFINITY
2536 {
2537 .name = "verify_async_cpus",
e8b0e958 2538 .lname = "Async verify CPUs",
e8462bd8
JA		 2539 .type = FIO_OPT_STR,
2540 .cb = str_verify_cpus_allowed_cb,
a8523a6a 2541 .off1 = td_var_offset(verify_cpumask),
e8462bd8
JA		 2542 .help = "Set CPUs allowed for async verify threads",
2543 .parent = "verify_async",
d71c154c 2544 .hide = 1,
e8b0e958
JA		 2545 .category = FIO_OPT_C_IO,
2546 .group = FIO_OPT_G_VERIFY,
e8462bd8 2547 },
0d29de83 2548#endif
51aa2da8
JA		 2549 {
2550 .name = "experimental_verify",
2551 .off1 = td_var_offset(experimental_verify),
2552 .type = FIO_OPT_BOOL,
b31eaac9 2553 .help = "Enable experimental verification",
ca09be4b
JA		 2554 .parent = "verify",
2555 .category = FIO_OPT_C_IO,
2556 .group = FIO_OPT_G_VERIFY,
2557 },
2558 {
2559 .name = "verify_state_load",
2560 .lname = "Load verify state",
2561 .off1 = td_var_offset(verify_state),
2562 .type = FIO_OPT_BOOL,
2563 .help = "Load verify termination state",
2564 .parent = "verify",
2565 .category = FIO_OPT_C_IO,
2566 .group = FIO_OPT_G_VERIFY,
2567 },
2568 {
2569 .name = "verify_state_save",
2570 .lname = "Save verify state",
2571 .off1 = td_var_offset(verify_state_save),
2572 .type = FIO_OPT_BOOL,
2573 .def = "1",
2574 .help = "Save verify state on termination",
2575 .parent = "verify",
836fcc0f
JA		 2576 .category = FIO_OPT_C_IO,
2577 .group = FIO_OPT_G_VERIFY,
51aa2da8 2578 },
0d29de83
JA		 2579#ifdef FIO_HAVE_TRIM
2580 {
2581 .name = "trim_percentage",
e8b0e958 2582 .lname = "Trim percentage",
0d29de83 2583 .type = FIO_OPT_INT,
203160d5 2584 .off1 = td_var_offset(trim_percentage),
20eb06bd 2585 .minval = 0,
0d29de83
JA		 2586 .maxval = 100,
2587 .help = "Number of verify blocks to discard/trim",
2588 .parent = "verify",
2589 .def = "0",
20eb06bd 2590 .interval = 1,
d71c154c 2591 .hide = 1,
e8b0e958
JA		 2592 .category = FIO_OPT_C_IO,
2593 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2594 },
2595 {
2596 .name = "trim_verify_zero",
e8b0e958 2597 .lname = "Verify trim zero",
20eb06bd 2598 .type = FIO_OPT_BOOL,
0d29de83
JA		 2599 .help = "Verify that trim/discarded blocks are returned as zeroes",
2600 .off1 = td_var_offset(trim_zero),
2601 .parent = "trim_percentage",
d71c154c 2602 .hide = 1,
0d29de83 2603 .def = "1",
e8b0e958
JA		 2604 .category = FIO_OPT_C_IO,
2605 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2606 },
2607 {
2608 .name = "trim_backlog",
e8b0e958 2609 .lname = "Trim backlog",
0d29de83
JA		 2610 .type = FIO_OPT_STR_VAL,
2611 .off1 = td_var_offset(trim_backlog),
2612 .help = "Trim after this number of blocks are written",
2613 .parent = "trim_percentage",
d71c154c 2614 .hide = 1,
20eb06bd 2615 .interval = 1,
e8b0e958
JA		 2616 .category = FIO_OPT_C_IO,
2617 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2618 },
2619 {
2620 .name = "trim_backlog_batch",
e8b0e958 2621 .lname = "Trim backlog batch",
0d29de83
JA		 2622 .type = FIO_OPT_INT,
2623 .off1 = td_var_offset(trim_batch),
2624 .help = "Trim this number of IO blocks",
2625 .parent = "trim_percentage",
d71c154c 2626 .hide = 1,
20eb06bd 2627 .interval = 1,
e8b0e958
JA		 2628 .category = FIO_OPT_C_IO,
2629 .group = FIO_OPT_G_TRIM,
0d29de83 2630 },
e8462bd8 2631#endif
214e1eca
JA		 2632 {
2633 .name = "write_iolog",
e8b0e958 2634 .lname = "Write I/O log",
214e1eca
JA		 2635 .type = FIO_OPT_STR_STORE,
2636 .off1 = td_var_offset(write_iolog_file),
2637 .help = "Store IO pattern to file",
e8b0e958
JA		 2638 .category = FIO_OPT_C_IO,
2639 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2640 },
2641 {
2642 .name = "read_iolog",
e8b0e958 2643 .lname = "Read I/O log",
214e1eca
JA		 2644 .type = FIO_OPT_STR_STORE,
2645 .off1 = td_var_offset(read_iolog_file),
2646 .help = "Playback IO pattern from file",
e8b0e958
JA		 2647 .category = FIO_OPT_C_IO,
2648 .group = FIO_OPT_G_IOLOG,
214e1eca 2649 },
64bbb865
DN		 2650 {
2651 .name = "replay_no_stall",
e8b0e958 2652 .lname = "Don't stall on replay",
20eb06bd 2653 .type = FIO_OPT_BOOL,
64bbb865
DN		 2654 .off1 = td_var_offset(no_stall),
2655 .def = "0",
87e7a972 2656 .parent = "read_iolog",
d71c154c 2657 .hide = 1,
64bbb865 2658 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2659 .category = FIO_OPT_C_IO,
2660 .group = FIO_OPT_G_IOLOG,
64bbb865 2661 },
d1c46c04
DN		 2662 {
2663 .name = "replay_redirect",
e8b0e958 2664 .lname = "Redirect device for replay",
d1c46c04
DN		 2665 .type = FIO_OPT_STR_STORE,
2666 .off1 = td_var_offset(replay_redirect),
2667 .parent = "read_iolog",
d71c154c 2668 .hide = 1,
d1c46c04 2669 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2670 .category = FIO_OPT_C_IO,
2671 .group = FIO_OPT_G_IOLOG,
d1c46c04 2672 },
0c63576e
JA		 2673 {
2674 .name = "replay_scale",
2675 .lname = "Replace offset scale factor",
2676 .type = FIO_OPT_INT,
2677 .off1 = td_var_offset(replay_scale),
2678 .parent = "read_iolog",
2679 .def = "1",
2680 .help = "Align offsets to this blocksize",
2681 .category = FIO_OPT_C_IO,
2682 .group = FIO_OPT_G_IOLOG,
2683 },
2684 {
2685 .name = "replay_align",
2686 .lname = "Replace alignment",
2687 .type = FIO_OPT_INT,
2688 .off1 = td_var_offset(replay_align),
2689 .parent = "read_iolog",
2690 .help = "Scale offset down by this factor",
2691 .category = FIO_OPT_C_IO,
2692 .group = FIO_OPT_G_IOLOG,
2693 .pow2 = 1,
2694 },
214e1eca
JA		 2695 {
2696 .name = "exec_prerun",
e8b0e958 2697 .lname = "Pre-execute runnable",
214e1eca
JA		 2698 .type = FIO_OPT_STR_STORE,
2699 .off1 = td_var_offset(exec_prerun),
2700 .help = "Execute this file prior to running job",
e8b0e958
JA		 2701 .category = FIO_OPT_C_GENERAL,
2702 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2703 },
2704 {
2705 .name = "exec_postrun",
e8b0e958 2706 .lname = "Post-execute runnable",
214e1eca
JA		 2707 .type = FIO_OPT_STR_STORE,
2708 .off1 = td_var_offset(exec_postrun),
2709 .help = "Execute this file after running job",
e8b0e958
JA		 2710 .category = FIO_OPT_C_GENERAL,
2711 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2712 },
2713#ifdef FIO_HAVE_IOSCHED_SWITCH
2714 {
2715 .name = "ioscheduler",
e8b0e958 2716 .lname = "I/O scheduler",
214e1eca
JA		 2717 .type = FIO_OPT_STR_STORE,
2718 .off1 = td_var_offset(ioscheduler),
2719 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2720 .category = FIO_OPT_C_FILE,
2721 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2722 },
2723#endif
2724 {
2725 .name = "zonesize",
e8b0e958 2726 .lname = "Zone size",
214e1eca
JA		 2727 .type = FIO_OPT_STR_VAL,
2728 .off1 = td_var_offset(zone_size),
ed335855
SN		 2729 .help = "Amount of data to read per zone",
2730 .def = "0",
20eb06bd 2731 .interval = 1024 * 1024,
e8b0e958
JA		 2732 .category = FIO_OPT_C_IO,
2733 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2734 },
2735 {
2736 .name = "zonerange",
e8b0e958 2737 .lname = "Zone range",
ed335855
SN		 2738 .type = FIO_OPT_STR_VAL,
2739 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2740 .help = "Give size of an IO zone",
2741 .def = "0",
20eb06bd 2742 .interval = 1024 * 1024,
e8b0e958
JA		 2743 .category = FIO_OPT_C_IO,
2744 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2745 },
2746 {
2747 .name = "zoneskip",
e8b0e958 2748 .lname = "Zone skip",
214e1eca
JA		 2749 .type = FIO_OPT_STR_VAL,
2750 .off1 = td_var_offset(zone_skip),
2751 .help = "Space between IO zones",
2752 .def = "0",
20eb06bd 2753 .interval = 1024 * 1024,
e8b0e958
JA		 2754 .category = FIO_OPT_C_IO,
2755 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2756 },
2757 {
2758 .name = "lockmem",
e8b0e958 2759 .lname = "Lock memory",
214e1eca 2760 .type = FIO_OPT_STR_VAL,
1b79a070 2761 .off1 = td_var_offset(lockmem),
81c6b6cd 2762 .help = "Lock down this amount of memory (per worker)",
214e1eca 2763 .def = "0",
20eb06bd 2764 .interval = 1024 * 1024,
e8b0e958
JA		 2765 .category = FIO_OPT_C_GENERAL,
2766 .group = FIO_OPT_G_INVALID,
214e1eca 2767 },
214e1eca
JA		 2768 {
2769 .name = "rwmixread",
e8b0e958 2770 .lname = "Read/write mix read",
214e1eca 2771 .type = FIO_OPT_INT,
cb499fc4 2772 .cb = str_rwmix_read_cb,
a8523a6a 2773 .off1 = td_var_offset(rwmix[DDIR_READ]),
214e1eca
JA		 2774 .maxval = 100,
2775 .help = "Percentage of mixed workload that is reads",
2776 .def = "50",
20eb06bd 2777 .interval = 5,
90265353 2778 .inverse = "rwmixwrite",
e8b0e958
JA		 2779 .category = FIO_OPT_C_IO,
2780 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2781 },
2782 {
2783 .name = "rwmixwrite",
e8b0e958 2784 .lname = "Read/write mix write",
214e1eca 2785 .type = FIO_OPT_INT,
cb499fc4 2786 .cb = str_rwmix_write_cb,
a8523a6a 2787 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
214e1eca
JA		 2788 .maxval = 100,
2789 .help = "Percentage of mixed workload that is writes",
2790 .def = "50",
20eb06bd 2791 .interval = 5,
90265353 2792 .inverse = "rwmixread",
e8b0e958
JA		 2793 .category = FIO_OPT_C_IO,
2794 .group = FIO_OPT_G_RWMIX,
214e1eca 2795 },
afdf9352
JA		 2796 {
2797 .name = "rwmixcycle",
e8b0e958 2798 .lname = "Read/write mix cycle",
15ca150e 2799 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2800 .category = FIO_OPT_C_IO,
2801 .group = FIO_OPT_G_RWMIX,
afdf9352 2802 },
214e1eca
JA		 2803 {
2804 .name = "nice",
e8b0e958 2805 .lname = "Nice",
214e1eca
JA		 2806 .type = FIO_OPT_INT,
2807 .off1 = td_var_offset(nice),
2808 .help = "Set job CPU nice value",
2809 .minval = -19,
2810 .maxval = 20,
2811 .def = "0",
20eb06bd 2812 .interval = 1,
e8b0e958 2813 .category = FIO_OPT_C_GENERAL,
10860056 2814 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2815 },
2816#ifdef FIO_HAVE_IOPRIO
2817 {
2818 .name = "prio",
e8b0e958 2819 .lname = "I/O nice priority",
214e1eca 2820 .type = FIO_OPT_INT,
28727df7 2821 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2822 .help = "Set job IO priority value",
2823 .minval = 0,
2824 .maxval = 7,
20eb06bd 2825 .interval = 1,
e8b0e958 2826 .category = FIO_OPT_C_GENERAL,
10860056 2827 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2828 },
2829 {
2830 .name = "prioclass",
e8b0e958 2831 .lname = "I/O nice priority class",
214e1eca 2832 .type = FIO_OPT_INT,
28727df7 2833 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2834 .help = "Set job IO priority class",
2835 .minval = 0,
2836 .maxval = 3,
20eb06bd 2837 .interval = 1,
e8b0e958 2838 .category = FIO_OPT_C_GENERAL,
10860056 2839 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2840 },
2841#endif
2842 {
2843 .name = "thinktime",
e8b0e958 2844 .lname = "Thinktime",
214e1eca
JA		 2845 .type = FIO_OPT_INT,
2846 .off1 = td_var_offset(thinktime),
2847 .help = "Idle time between IO buffers (usec)",
2848 .def = "0",
88038bc7 2849 .is_time = 1,
e8b0e958 2850 .category = FIO_OPT_C_IO,
3ceb458f 2851 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2852 },
2853 {
2854 .name = "thinktime_spin",
e8b0e958 2855 .lname = "Thinktime spin",
214e1eca
JA		 2856 .type = FIO_OPT_INT,
2857 .off1 = td_var_offset(thinktime_spin),
2858 .help = "Start think time by spinning this amount (usec)",
2859 .def = "0",
88038bc7 2860 .is_time = 1,
afdf9352 2861 .parent = "thinktime",
d71c154c 2862 .hide = 1,
e8b0e958 2863 .category = FIO_OPT_C_IO,
3ceb458f 2864 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2865 },
2866 {
2867 .name = "thinktime_blocks",
e8b0e958 2868 .lname = "Thinktime blocks",
214e1eca
JA		 2869 .type = FIO_OPT_INT,
2870 .off1 = td_var_offset(thinktime_blocks),
2871 .help = "IO buffer period between 'thinktime'",
2872 .def = "1",
afdf9352 2873 .parent = "thinktime",
d71c154c 2874 .hide = 1,
e8b0e958 2875 .category = FIO_OPT_C_IO,
3ceb458f 2876 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2877 },
2878 {
2879 .name = "rate",
e8b0e958 2880 .lname = "I/O rate",
e01b22b8 2881 .type = FIO_OPT_INT,
6eaf09d6
SL		 2882 .off1 = td_var_offset(rate[DDIR_READ]),
2883 .off2 = td_var_offset(rate[DDIR_WRITE]),
2884 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2885 .help = "Set bandwidth rate",
e8b0e958
JA		 2886 .category = FIO_OPT_C_IO,
2887 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2888 },
2889 {
2890 .name = "ratemin",
e8b0e958 2891 .lname = "I/O min rate",
e01b22b8 2892 .type = FIO_OPT_INT,
6eaf09d6
SL		 2893 .off1 = td_var_offset(ratemin[DDIR_READ]),
2894 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2895 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2896 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2897 .parent = "rate",
d71c154c 2898 .hide = 1,
e8b0e958
JA		 2899 .category = FIO_OPT_C_IO,
2900 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2901 },
2902 {
2903 .name = "rate_iops",
e8b0e958 2904 .lname = "I/O rate IOPS",
e01b22b8 2905 .type = FIO_OPT_INT,
6eaf09d6
SL		 2906 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2907 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2908 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2909 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 2910 .hide = 1,
e8b0e958
JA		 2911 .category = FIO_OPT_C_IO,
2912 .group = FIO_OPT_G_RATE,
4e991c23
JA		 2913 },
2914 {
2915 .name = "rate_iops_min",
e8b0e958 2916 .lname = "I/O min rate IOPS",
e01b22b8 2917 .type = FIO_OPT_INT,
6eaf09d6
SL		 2918 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2919 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2920 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2921 .help = "Job must meet this rate or it will be shut down",
afdf9352 2922 .parent = "rate_iops",
d71c154c 2923 .hide = 1,
e8b0e958
JA		 2924 .category = FIO_OPT_C_IO,
2925 .group = FIO_OPT_G_RATE,
214e1eca
JA		 2926 },
2927 {
2928 .name = "ratecycle",
e8b0e958 2929 .lname = "I/O rate cycle",
214e1eca
JA		 2930 .type = FIO_OPT_INT,
2931 .off1 = td_var_offset(ratecycle),
2932 .help = "Window average for rate limits (msec)",
2933 .def = "1000",
afdf9352 2934 .parent = "rate",
d71c154c 2935 .hide = 1,
e8b0e958
JA		 2936 .category = FIO_OPT_C_IO,
2937 .group = FIO_OPT_G_RATE,
214e1eca 2938 },
15501535
JA		 2939 {
2940 .name = "max_latency",
2941 .type = FIO_OPT_INT,
2942 .off1 = td_var_offset(max_latency),
2943 .help = "Maximum tolerated IO latency (usec)",
88038bc7 2944 .is_time = 1,
1e5324e7 2945 .category = FIO_OPT_C_IO,
3e260a46
JA		 2946 .group = FIO_OPT_G_LATPROF,
2947 },
2948 {
2949 .name = "latency_target",
2950 .lname = "Latency Target (usec)",
2951 .type = FIO_OPT_STR_VAL_TIME,
2952 .off1 = td_var_offset(latency_target),
2953 .help = "Ramp to max queue depth supporting this latency",
88038bc7 2954 .is_time = 1,
3e260a46
JA		 2955 .category = FIO_OPT_C_IO,
2956 .group = FIO_OPT_G_LATPROF,
2957 },
2958 {
2959 .name = "latency_window",
2960 .lname = "Latency Window (usec)",
2961 .type = FIO_OPT_STR_VAL_TIME,
2962 .off1 = td_var_offset(latency_window),
2963 .help = "Time to sustain latency_target",
88038bc7 2964 .is_time = 1,
3e260a46
JA		 2965 .category = FIO_OPT_C_IO,
2966 .group = FIO_OPT_G_LATPROF,
2967 },
2968 {
2969 .name = "latency_percentile",
2970 .lname = "Latency Percentile",
2971 .type = FIO_OPT_FLOAT_LIST,
2972 .off1 = td_var_offset(latency_percentile),
2973 .help = "Percentile of IOs must be below latency_target",
2974 .def = "100",
2975 .maxlen = 1,
2976 .minfp = 0.0,
2977 .maxfp = 100.0,
2978 .category = FIO_OPT_C_IO,
2979 .group = FIO_OPT_G_LATPROF,
15501535 2980 },
214e1eca
JA		 2981 {
2982 .name = "invalidate",
e8b0e958 2983 .lname = "Cache invalidate",
214e1eca
JA		 2984 .type = FIO_OPT_BOOL,
2985 .off1 = td_var_offset(invalidate_cache),
2986 .help = "Invalidate buffer/page cache prior to running job",
2987 .def = "1",
e8b0e958 2988 .category = FIO_OPT_C_IO,
3ceb458f 2989 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2990 },
2991 {
2992 .name = "sync",
e8b0e958 2993 .lname = "Synchronous I/O",
214e1eca
JA		 2994 .type = FIO_OPT_BOOL,
2995 .off1 = td_var_offset(sync_io),
2996 .help = "Use O_SYNC for buffered writes",
2997 .def = "0",
67a1000f 2998 .parent = "buffered",
d71c154c 2999 .hide = 1,
e8b0e958 3000 .category = FIO_OPT_C_IO,
3ceb458f 3001 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3002 },
214e1eca
JA		 3003 {
3004 .name = "create_serialize",
e8b0e958 3005 .lname = "Create serialize",
214e1eca
JA		 3006 .type = FIO_OPT_BOOL,
3007 .off1 = td_var_offset(create_serialize),
3008 .help = "Serialize creating of job files",
3009 .def = "1",
e8b0e958
JA		 3010 .category = FIO_OPT_C_FILE,
3011 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3012 },
3013 {
3014 .name = "create_fsync",
e8b0e958 3015 .lname = "Create fsync",
214e1eca
JA		 3016 .type = FIO_OPT_BOOL,
3017 .off1 = td_var_offset(create_fsync),
03e20d68 3018 .help = "fsync file after creation",
214e1eca 3019 .def = "1",
e8b0e958
JA		 3020 .category = FIO_OPT_C_FILE,
3021 .group = FIO_OPT_G_INVALID,
214e1eca 3022 },
814452bd
JA		 3023 {
3024 .name = "create_on_open",
e8b0e958 3025 .lname = "Create on open",
814452bd
JA		 3026 .type = FIO_OPT_BOOL,
3027 .off1 = td_var_offset(create_on_open),
3028 .help = "Create files when they are opened for IO",
3029 .def = "0",
e8b0e958
JA		 3030 .category = FIO_OPT_C_FILE,
3031 .group = FIO_OPT_G_INVALID,
814452bd 3032 },
25460cf6
JA		 3033 {
3034 .name = "create_only",
3035 .type = FIO_OPT_BOOL,
3036 .off1 = td_var_offset(create_only),
3037 .help = "Only perform file creation phase",
d17fda71 3038 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3039 .def = "0",
3040 },
0b9d69ec 3041 {
afad68f7 3042 .name = "pre_read",
e8b0e958 3043 .lname = "Pre-read files",
afad68f7
ZY		 3044 .type = FIO_OPT_BOOL,
3045 .off1 = td_var_offset(pre_read),
03e20d68 3046 .help = "Pre-read files before starting official testing",
afad68f7 3047 .def = "0",
e8b0e958
JA		 3048 .category = FIO_OPT_C_FILE,
3049 .group = FIO_OPT_G_INVALID,
afad68f7 3050 },
214e1eca
JA		 3051#ifdef FIO_HAVE_CPU_AFFINITY
3052 {
3053 .name = "cpumask",
e8b0e958 3054 .lname = "CPU mask",
214e1eca
JA		 3055 .type = FIO_OPT_INT,
3056 .cb = str_cpumask_cb,
a8523a6a 3057 .off1 = td_var_offset(cpumask),
214e1eca 3058 .help = "CPU affinity mask",
e8b0e958 3059 .category = FIO_OPT_C_GENERAL,
10860056 3060 .group = FIO_OPT_G_CRED,
214e1eca 3061 },
d2e268b0
JA		 3062 {
3063 .name = "cpus_allowed",
e8b0e958 3064 .lname = "CPUs allowed",
d2e268b0
JA		 3065 .type = FIO_OPT_STR,
3066 .cb = str_cpus_allowed_cb,
a8523a6a 3067 .off1 = td_var_offset(cpumask),
d2e268b0 3068 .help = "Set CPUs allowed",
e8b0e958 3069 .category = FIO_OPT_C_GENERAL,
10860056 3070 .group = FIO_OPT_G_CRED,
d2e268b0 3071 },
c2acfbac
JA		 3072 {
3073 .name = "cpus_allowed_policy",
3074 .lname = "CPUs allowed distribution policy",
3075 .type = FIO_OPT_STR,
3076 .off1 = td_var_offset(cpus_allowed_policy),
3077 .help = "Distribution policy for cpus_allowed",
3078 .parent = "cpus_allowed",
3079 .prio = 1,
3080 .posval = {
3081 { .ival = "shared",
3082 .oval = FIO_CPUS_SHARED,
3083 .help = "Mask shared between threads",
3084 },
3085 { .ival = "split",
3086 .oval = FIO_CPUS_SPLIT,
3087 .help = "Mask split between threads",
3088 },
3089 },
3090 .category = FIO_OPT_C_GENERAL,
3091 .group = FIO_OPT_G_CRED,
3092 },
d0b937ed 3093#endif
67bf9823 3094#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3095 {
3096 .name = "numa_cpu_nodes",
3097 .type = FIO_OPT_STR,
3098 .cb = str_numa_cpunodes_cb,
b2a9e649 3099 .off1 = td_var_offset(numa_cpunodes),
d0b937ed 3100 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3101 .category = FIO_OPT_C_GENERAL,
3102 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3103 },
3104 {
3105 .name = "numa_mem_policy",
3106 .type = FIO_OPT_STR,
3107 .cb = str_numa_mpol_cb,
b2a9e649 3108 .off1 = td_var_offset(numa_memnodes),
d0b937ed 3109 .help = "NUMA memory policy setup",
6be54b2d
JA		 3110 .category = FIO_OPT_C_GENERAL,
3111 .group = FIO_OPT_G_INVALID,
d0b937ed 3112 },
214e1eca
JA		 3113#endif
3114 {
3115 .name = "end_fsync",
e8b0e958 3116 .lname = "End fsync",
214e1eca
JA		 3117 .type = FIO_OPT_BOOL,
3118 .off1 = td_var_offset(end_fsync),
3119 .help = "Include fsync at the end of job",
3120 .def = "0",
e8b0e958
JA		 3121 .category = FIO_OPT_C_FILE,
3122 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3123 },
3124 {
3125 .name = "fsync_on_close",
e8b0e958 3126 .lname = "Fsync on close",
214e1eca
JA		 3127 .type = FIO_OPT_BOOL,
3128 .off1 = td_var_offset(fsync_on_close),
3129 .help = "fsync files on close",
3130 .def = "0",
e8b0e958
JA		 3131 .category = FIO_OPT_C_FILE,
3132 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3133 },
3134 {
3135 .name = "unlink",
e8b0e958 3136 .lname = "Unlink file",
214e1eca
JA		 3137 .type = FIO_OPT_BOOL,
3138 .off1 = td_var_offset(unlink),
3139 .help = "Unlink created files after job has completed",
3140 .def = "0",
e8b0e958
JA		 3141 .category = FIO_OPT_C_FILE,
3142 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3143 },
3144 {
3145 .name = "exitall",
e8b0e958 3146 .lname = "Exit-all on terminate",
214e1eca
JA		 3147 .type = FIO_OPT_STR_SET,
3148 .cb = str_exitall_cb,
3149 .help = "Terminate all jobs when one exits",
e8b0e958 3150 .category = FIO_OPT_C_GENERAL,
a1f6afec 3151 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3152 },
3153 {
3154 .name = "stonewall",
e8b0e958 3155 .lname = "Wait for previous",
d392365e 3156 .alias = "wait_for_previous",
214e1eca
JA		 3157 .type = FIO_OPT_STR_SET,
3158 .off1 = td_var_offset(stonewall),
3159 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3160 .category = FIO_OPT_C_GENERAL,
a1f6afec 3161 .group = FIO_OPT_G_PROCESS,
214e1eca 3162 },
b3d62a75
JA		 3163 {
3164 .name = "new_group",
e8b0e958 3165 .lname = "New group",
b3d62a75
JA		 3166 .type = FIO_OPT_STR_SET,
3167 .off1 = td_var_offset(new_group),
3168 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3169 .category = FIO_OPT_C_GENERAL,
a1f6afec 3170 .group = FIO_OPT_G_PROCESS,
b3d62a75 3171 },
214e1eca
JA		 3172 {
3173 .name = "thread",
e8b0e958 3174 .lname = "Thread",
214e1eca
JA		 3175 .type = FIO_OPT_STR_SET,
3176 .off1 = td_var_offset(use_thread),
20eb06bd 3177 .help = "Use threads instead of processes",
c8931876
JA		 3178#ifdef CONFIG_NO_SHM
3179 .def = "1",
3180 .no_warn_def = 1,
3181#endif
e8b0e958 3182 .category = FIO_OPT_C_GENERAL,
a1f6afec 3183 .group = FIO_OPT_G_PROCESS,
214e1eca
JA		 3184 },
3185 {
3186 .name = "write_bw_log",
e8b0e958 3187 .lname = "Write bandwidth log",
203160d5
JA		 3188 .type = FIO_OPT_STR_STORE,
3189 .off1 = td_var_offset(bw_log_file),
214e1eca 3190 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3191 .category = FIO_OPT_C_LOG,
3192 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3193 },
3194 {
3195 .name = "write_lat_log",
e8b0e958 3196 .lname = "Write latency log",
203160d5
JA		 3197 .type = FIO_OPT_STR_STORE,
3198 .off1 = td_var_offset(lat_log_file),
214e1eca 3199 .help = "Write log of latency during run",
e8b0e958
JA		 3200 .category = FIO_OPT_C_LOG,
3201 .group = FIO_OPT_G_INVALID,
214e1eca 3202 },
c8eeb9df
JA		 3203 {
3204 .name = "write_iops_log",
e8b0e958 3205 .lname = "Write IOPS log",
577c83bd 3206 .type = FIO_OPT_STR_STORE,
203160d5 3207 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3208 .help = "Write log of IOPS during run",
e8b0e958
JA		 3209 .category = FIO_OPT_C_LOG,
3210 .group = FIO_OPT_G_INVALID,
c8eeb9df 3211 },
b8bc8cba
JA		 3212 {
3213 .name = "log_avg_msec",
e8b0e958 3214 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3215 .type = FIO_OPT_INT,
3216 .off1 = td_var_offset(log_avg_msec),
3217 .help = "Average bw/iops/lat logs over this period of time",
3218 .def = "0",
e8b0e958
JA		 3219 .category = FIO_OPT_C_LOG,
3220 .group = FIO_OPT_G_INVALID,
b8bc8cba 3221 },
ae588852
JA		 3222 {
3223 .name = "log_offset",
3224 .lname = "Log offset of IO",
3225 .type = FIO_OPT_BOOL,
3226 .off1 = td_var_offset(log_offset),
3227 .help = "Include offset of IO for each log entry",
3228 .def = "0",
3229 .category = FIO_OPT_C_LOG,
3230 .group = FIO_OPT_G_INVALID,
3231 },
aee2ab67
JA		 3232#ifdef CONFIG_ZLIB
3233 {
3234 .name = "log_compression",
3235 .lname = "Log compression",
3236 .type = FIO_OPT_INT,
3237 .off1 = td_var_offset(log_gz),
3238 .help = "Log in compressed chunks of this size",
3239 .minval = 32 * 1024 * 1024ULL,
3240 .maxval = 512 * 1024 * 1024ULL,
3241 .category = FIO_OPT_C_LOG,
3242 .group = FIO_OPT_G_INVALID,
3243 },
b26317c9
JA		 3244 {
3245 .name = "log_store_compressed",
3246 .lname = "Log store compressed",
3247 .type = FIO_OPT_BOOL,
3248 .off1 = td_var_offset(log_gz_store),
3249 .help = "Store logs in a compressed format",
3250 .category = FIO_OPT_C_LOG,
3251 .group = FIO_OPT_G_INVALID,
3252 },
aee2ab67 3253#endif
66347cfa
DE		 3254 {
3255 .name = "block_error_percentiles",
3256 .lname = "Block error percentiles",
3257 .type = FIO_OPT_BOOL,
3258 .off1 = td_var_offset(block_error_hist),
3259 .help = "Record trim block errors and make a histogram",
3260 .def = "0",
3261 .category = FIO_OPT_C_LOG,
3262 .group = FIO_OPT_G_INVALID,
3263 },
c504ee55
JA		 3264 {
3265 .name = "bwavgtime",
3266 .lname = "Bandwidth average time",
3267 .type = FIO_OPT_INT,
3268 .off1 = td_var_offset(bw_avg_time),
3269 .help = "Time window over which to calculate bandwidth"
3270 " (msec)",
3271 .def = "500",
3272 .parent = "write_bw_log",
3273 .hide = 1,
3274 .interval = 100,
3275 .category = FIO_OPT_C_LOG,
3276 .group = FIO_OPT_G_INVALID,
3277 },
3278 {
3279 .name = "iopsavgtime",
3280 .lname = "IOPS average time",
3281 .type = FIO_OPT_INT,
3282 .off1 = td_var_offset(iops_avg_time),
3283 .help = "Time window over which to calculate IOPS (msec)",
3284 .def = "500",
3285 .parent = "write_iops_log",
3286 .hide = 1,
3287 .interval = 100,
3288 .category = FIO_OPT_C_LOG,
3289 .group = FIO_OPT_G_INVALID,
3290 },
214e1eca
JA		 3291 {
3292 .name = "group_reporting",
e8b0e958 3293 .lname = "Group reporting",
d2507043 3294 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3295 .off1 = td_var_offset(group_reporting),
3296 .help = "Do reporting on a per-group basis",
10860056 3297 .category = FIO_OPT_C_STAT,
e8b0e958 3298 .group = FIO_OPT_G_INVALID,
214e1eca 3299 },
e9459e5a
JA		 3300 {
3301 .name = "zero_buffers",
e8b0e958 3302 .lname = "Zero I/O buffers",
e9459e5a
JA		 3303 .type = FIO_OPT_STR_SET,
3304 .off1 = td_var_offset(zero_buffers),
3305 .help = "Init IO buffers to all zeroes",
e8b0e958 3306 .category = FIO_OPT_C_IO,
3ceb458f 3307 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3308 },
5973cafb
JA		 3309 {
3310 .name = "refill_buffers",
e8b0e958 3311 .lname = "Refill I/O buffers",
5973cafb
JA		 3312 .type = FIO_OPT_STR_SET,
3313 .off1 = td_var_offset(refill_buffers),
3314 .help = "Refill IO buffers on every IO submit",
e8b0e958 3315 .category = FIO_OPT_C_IO,
3ceb458f 3316 .group = FIO_OPT_G_IO_BUF,
5973cafb 3317 },
fd68418e
JA		 3318 {
3319 .name = "scramble_buffers",
e8b0e958 3320 .lname = "Scramble I/O buffers",
fd68418e
JA		 3321 .type = FIO_OPT_BOOL,
3322 .off1 = td_var_offset(scramble_buffers),
3323 .help = "Slightly scramble buffers on every IO submit",
3324 .def = "1",
e8b0e958 3325 .category = FIO_OPT_C_IO,
3ceb458f 3326 .group = FIO_OPT_G_IO_BUF,
fd68418e 3327 },
ce35b1ec
JA		 3328 {
3329 .name = "buffer_pattern",
3330 .lname = "Buffer pattern",
3331 .type = FIO_OPT_STR,
3332 .cb = str_buffer_pattern_cb,
a8523a6a 3333 .off1 = td_var_offset(buffer_pattern),
ce35b1ec
JA		 3334 .help = "Fill pattern for IO buffers",
3335 .category = FIO_OPT_C_IO,
3336 .group = FIO_OPT_G_IO_BUF,
3337 },
9c42684e
JA		 3338 {
3339 .name = "buffer_compress_percentage",
e8b0e958 3340 .lname = "Buffer compression percentage",
9c42684e 3341 .type = FIO_OPT_INT,
bedc9dc2 3342 .cb = str_buffer_compress_cb,
a8523a6a 3343 .off1 = td_var_offset(compress_percentage),
9c42684e 3344 .maxval = 100,
e7f5de90 3345 .minval = 0,
9c42684e 3346 .help = "How compressible the buffer is (approximately)",
20eb06bd 3347 .interval = 5,
e8b0e958 3348 .category = FIO_OPT_C_IO,
3ceb458f 3349 .group = FIO_OPT_G_IO_BUF,
9c42684e 3350 },
f97a43a1
JA		 3351 {
3352 .name = "buffer_compress_chunk",
e8b0e958 3353 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3354 .type = FIO_OPT_INT,
3355 .off1 = td_var_offset(compress_chunk),
207b18e4 3356 .parent = "buffer_compress_percentage",
d71c154c 3357 .hide = 1,
f97a43a1 3358 .help = "Size of compressible region in buffer",
20eb06bd 3359 .interval = 256,
e8b0e958 3360 .category = FIO_OPT_C_IO,
3ceb458f 3361 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3362 },
5c94b008
JA		 3363 {
3364 .name = "dedupe_percentage",
3365 .lname = "Dedupe percentage",
3366 .type = FIO_OPT_INT,
3367 .cb = str_dedupe_cb,
a8523a6a 3368 .off1 = td_var_offset(dedupe_percentage),
5c94b008
JA		 3369 .maxval = 100,
3370 .minval = 0,
3371 .help = "Percentage of buffers that are dedupable",
3372 .interval = 1,
3373 .category = FIO_OPT_C_IO,
3374 .group = FIO_OPT_G_IO_BUF,
3375 },
83349190
YH		 3376 {
3377 .name = "clat_percentiles",
e8b0e958 3378 .lname = "Completion latency percentiles",
83349190
YH		 3379 .type = FIO_OPT_BOOL,
3380 .off1 = td_var_offset(clat_percentiles),
3381 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3382 .def = "1",
e8b0e958
JA		 3383 .category = FIO_OPT_C_STAT,
3384 .group = FIO_OPT_G_INVALID,
83349190
YH		 3385 },
3386 {
3387 .name = "percentile_list",
66347cfa 3388 .lname = "Percentile list",
83349190
YH		 3389 .type = FIO_OPT_FLOAT_LIST,
3390 .off1 = td_var_offset(percentile_list),
435d195a 3391 .off2 = td_var_offset(percentile_precision),
66347cfa
DE		 3392 .help = "Specify a custom list of percentiles to report for "
3393 "completion latency and block errors",
fd112d34 3394 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3395 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3396 .minfp = 0.0,
3397 .maxfp = 100.0,
e8b0e958
JA		 3398 .category = FIO_OPT_C_STAT,
3399 .group = FIO_OPT_G_INVALID,
83349190
YH		 3400 },
3401
0a839f30
JA		 3402#ifdef FIO_HAVE_DISK_UTIL
3403 {
3404 .name = "disk_util",
e8b0e958 3405 .lname = "Disk utilization",
0a839f30
JA		 3406 .type = FIO_OPT_BOOL,
3407 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3408 .help = "Log disk utilization statistics",
0a839f30 3409 .def = "1",
e8b0e958
JA		 3410 .category = FIO_OPT_C_STAT,
3411 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3412 },
3413#endif
993bf48b
JA		 3414 {
3415 .name = "gtod_reduce",
e8b0e958 3416 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3417 .type = FIO_OPT_BOOL,
3418 .help = "Greatly reduce number of gettimeofday() calls",
3419 .cb = str_gtod_reduce_cb,
3420 .def = "0",
a4ed77fe 3421 .hide_on_set = 1,
e8b0e958
JA		 3422 .category = FIO_OPT_C_STAT,
3423 .group = FIO_OPT_G_INVALID,
993bf48b 3424 },
02af0988
JA		 3425 {
3426 .name = "disable_lat",
e8b0e958 3427 .lname = "Disable all latency stats",
02af0988
JA		 3428 .type = FIO_OPT_BOOL,
3429 .off1 = td_var_offset(disable_lat),
3430 .help = "Disable latency numbers",
3431 .parent = "gtod_reduce",
d71c154c 3432 .hide = 1,
02af0988 3433 .def = "0",
e8b0e958
JA		 3434 .category = FIO_OPT_C_STAT,
3435 .group = FIO_OPT_G_INVALID,
02af0988 3436 },
9520ebb9
JA		 3437 {
3438 .name = "disable_clat",
e8b0e958 3439 .lname = "Disable completion latency stats",
9520ebb9
JA		 3440 .type = FIO_OPT_BOOL,
3441 .off1 = td_var_offset(disable_clat),
3442 .help = "Disable completion latency numbers",
993bf48b 3443 .parent = "gtod_reduce",
d71c154c 3444 .hide = 1,
9520ebb9 3445 .def = "0",
e8b0e958
JA		 3446 .category = FIO_OPT_C_STAT,
3447 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3448 },
3449 {
3450 .name = "disable_slat",
e8b0e958 3451 .lname = "Disable submission latency stats",
9520ebb9
JA		 3452 .type = FIO_OPT_BOOL,
3453 .off1 = td_var_offset(disable_slat),
03e20d68 3454 .help = "Disable submission latency numbers",
993bf48b 3455 .parent = "gtod_reduce",
d71c154c 3456 .hide = 1,
9520ebb9 3457 .def = "0",
e8b0e958
JA		 3458 .category = FIO_OPT_C_STAT,
3459 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3460 },
3461 {
3462 .name = "disable_bw_measurement",
e8b0e958 3463 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3464 .type = FIO_OPT_BOOL,
3465 .off1 = td_var_offset(disable_bw),
3466 .help = "Disable bandwidth logging",
993bf48b 3467 .parent = "gtod_reduce",
d71c154c 3468 .hide = 1,
9520ebb9 3469 .def = "0",
e8b0e958
JA		 3470 .category = FIO_OPT_C_STAT,
3471 .group = FIO_OPT_G_INVALID,
9520ebb9 3472 },
be4ecfdf
JA		 3473 {
3474 .name = "gtod_cpu",
e8b0e958 3475 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 3476 .type = FIO_OPT_INT,
79c896a1 3477 .off1 = td_var_offset(gtod_cpu),
03e20d68 3478 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3479 .verify = gtod_cpu_verify,
e8b0e958 3480 .category = FIO_OPT_C_GENERAL,
10860056 3481 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3482 },
771e58be
JA		 3483 {
3484 .name = "unified_rw_reporting",
3485 .type = FIO_OPT_BOOL,
3486 .off1 = td_var_offset(unified_rw_rep),
3487 .help = "Unify reporting across data direction",
3488 .def = "0",
90b7a96d
JA		 3489 .category = FIO_OPT_C_GENERAL,
3490 .group = FIO_OPT_G_INVALID,
771e58be 3491 },
f2bba182
RR		 3492 {
3493 .name = "continue_on_error",
e8b0e958 3494 .lname = "Continue on error",
06842027 3495 .type = FIO_OPT_STR,
f2bba182 3496 .off1 = td_var_offset(continue_on_error),
03e20d68 3497 .help = "Continue on non-fatal errors during IO",
06842027 3498 .def = "none",
e8b0e958 3499 .category = FIO_OPT_C_GENERAL,
bc3f552f 3500 .group = FIO_OPT_G_ERR,
06842027
SL		 3501 .posval = {
3502 { .ival = "none",
3503 .oval = ERROR_TYPE_NONE,
3504 .help = "Exit when an error is encountered",
3505 },
3506 { .ival = "read",
3507 .oval = ERROR_TYPE_READ,
3508 .help = "Continue on read errors only",
3509 },
3510 { .ival = "write",
3511 .oval = ERROR_TYPE_WRITE,
3512 .help = "Continue on write errors only",
3513 },
3514 { .ival = "io",
3515 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3516 .help = "Continue on any IO errors",
3517 },
3518 { .ival = "verify",
3519 .oval = ERROR_TYPE_VERIFY,
3520 .help = "Continue on verify errors only",
3521 },
3522 { .ival = "all",
3523 .oval = ERROR_TYPE_ANY,
3524 .help = "Continue on all io and verify errors",
3525 },
3526 { .ival = "0",
3527 .oval = ERROR_TYPE_NONE,
3528 .help = "Alias for 'none'",
3529 },
3530 { .ival = "1",
3531 .oval = ERROR_TYPE_ANY,
3532 .help = "Alias for 'all'",
3533 },
3534 },
f2bba182 3535 },
8b28bd41
DM		 3536 {
3537 .name = "ignore_error",
3538 .type = FIO_OPT_STR,
3539 .cb = str_ignore_error_cb,
a8523a6a 3540 .off1 = td_var_offset(ignore_error_nr),
8b28bd41
DM		 3541 .help = "Set a specific list of errors to ignore",
3542 .parent = "rw",
a94eb99a 3543 .category = FIO_OPT_C_GENERAL,
bc3f552f 3544 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3545 },
3546 {
3547 .name = "error_dump",
3548 .type = FIO_OPT_BOOL,
3549 .off1 = td_var_offset(error_dump),
3550 .def = "0",
3551 .help = "Dump info on each error",
a94eb99a 3552 .category = FIO_OPT_C_GENERAL,
bc3f552f 3553 .group = FIO_OPT_G_ERR,
8b28bd41 3554 },
9ac8a797
JA		 3555 {
3556 .name = "profile",
e8b0e958 3557 .lname = "Profile",
79d16311 3558 .type = FIO_OPT_STR_STORE,
9ac8a797 3559 .off1 = td_var_offset(profile),
9ac8a797 3560 .help = "Select a specific builtin performance test",
13fca827 3561 .category = FIO_OPT_C_PROFILE,
e8b0e958 3562 .group = FIO_OPT_G_INVALID,
9ac8a797 3563 },
a696fa2a
JA		 3564 {
3565 .name = "cgroup",
e8b0e958 3566 .lname = "Cgroup",
a696fa2a
JA		 3567 .type = FIO_OPT_STR_STORE,
3568 .off1 = td_var_offset(cgroup),
3569 .help = "Add job to cgroup of this name",
e8b0e958 3570 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3571 .group = FIO_OPT_G_CGROUP,
3572 },
3573 {
3574 .name = "cgroup_nodelete",
3575 .lname = "Cgroup no-delete",
3576 .type = FIO_OPT_BOOL,
3577 .off1 = td_var_offset(cgroup_nodelete),
3578 .help = "Do not delete cgroups after job completion",
3579 .def = "0",
3580 .parent = "cgroup",
3581 .category = FIO_OPT_C_GENERAL,
3582 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3583 },
3584 {
3585 .name = "cgroup_weight",
e8b0e958 3586 .lname = "Cgroup weight",
a696fa2a
JA		 3587 .type = FIO_OPT_INT,
3588 .off1 = td_var_offset(cgroup_weight),
3589 .help = "Use given weight for cgroup",
3590 .minval = 100,
3591 .maxval = 1000,
a1f6afec 3592 .parent = "cgroup",
e8b0e958 3593 .category = FIO_OPT_C_GENERAL,
a1f6afec 3594 .group = FIO_OPT_G_CGROUP,
7de87099 3595 },
e0b0d892
JA		 3596 {
3597 .name = "uid",
e8b0e958 3598 .lname = "User ID",
e0b0d892
JA		 3599 .type = FIO_OPT_INT,
3600 .off1 = td_var_offset(uid),
3601 .help = "Run job with this user ID",
e8b0e958 3602 .category = FIO_OPT_C_GENERAL,
10860056 3603 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3604 },
3605 {
3606 .name = "gid",
e8b0e958 3607 .lname = "Group ID",
e0b0d892
JA		 3608 .type = FIO_OPT_INT,
3609 .off1 = td_var_offset(gid),
3610 .help = "Run job with this group ID",
e8b0e958 3611 .category = FIO_OPT_C_GENERAL,
10860056 3612 .group = FIO_OPT_G_CRED,
e0b0d892 3613 },
a1f6afec
JA		 3614 {
3615 .name = "kb_base",
3616 .lname = "KB Base",
3617 .type = FIO_OPT_INT,
3618 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3619 .prio = 1,
3620 .def = "1024",
ba9c7219
JA		 3621 .posval = {
3622 { .ival = "1024",
3623 .oval = 1024,
3624 .help = "Use 1024 as the K base",
3625 },
3626 { .ival = "1000",
3627 .oval = 1000,
3628 .help = "Use 1000 as the K base",
3629 },
3630 },
a1f6afec
JA		 3631 .help = "How many bytes per KB for reporting (1000 or 1024)",
3632 .category = FIO_OPT_C_GENERAL,
3633 .group = FIO_OPT_G_INVALID,
3634 },
cf3a0518
JA		 3635 {
3636 .name = "unit_base",
ba9c7219 3637 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3638 .type = FIO_OPT_INT,
3639 .off1 = td_var_offset(unit_base),
cf3a0518 3640 .prio = 1,
71a08258
JA		 3641 .posval = {
3642 { .ival = "0",
3643 .oval = 0,
3644 .help = "Auto-detect",
3645 },
3646 { .ival = "8",
3647 .oval = 8,
3648 .help = "Normal (byte based)",
3649 },
3650 { .ival = "1",
3651 .oval = 1,
3652 .help = "Bit based",
3653 },
3654 },
cf3a0518
JA		 3655 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3656 .category = FIO_OPT_C_GENERAL,
3657 .group = FIO_OPT_G_INVALID,
3658 },
3ceb458f
JA		 3659 {
3660 .name = "hugepage-size",
3661 .lname = "Hugepage size",
3662 .type = FIO_OPT_INT,
3663 .off1 = td_var_offset(hugepage_size),
3664 .help = "When using hugepages, specify size of each page",
3665 .def = __fio_stringify(FIO_HUGE_PAGE),
3666 .interval = 1024 * 1024,
3667 .category = FIO_OPT_C_GENERAL,
3668 .group = FIO_OPT_G_INVALID,
3669 },
9e684a49
DE		 3670 {
3671 .name = "flow_id",
e8b0e958 3672 .lname = "I/O flow ID",
9e684a49
DE		 3673 .type = FIO_OPT_INT,
3674 .off1 = td_var_offset(flow_id),
3675 .help = "The flow index ID to use",
3676 .def = "0",
e8b0e958
JA		 3677 .category = FIO_OPT_C_IO,
3678 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3679 },
3680 {
3681 .name = "flow",
e8b0e958 3682 .lname = "I/O flow weight",
9e684a49
DE		 3683 .type = FIO_OPT_INT,
3684 .off1 = td_var_offset(flow),
3685 .help = "Weight for flow control of this job",
3686 .parent = "flow_id",
d71c154c 3687 .hide = 1,
9e684a49 3688 .def = "0",
e8b0e958
JA		 3689 .category = FIO_OPT_C_IO,
3690 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3691 },
3692 {
3693 .name = "flow_watermark",
e8b0e958 3694 .lname = "I/O flow watermark",
9e684a49
DE		 3695 .type = FIO_OPT_INT,
3696 .off1 = td_var_offset(flow_watermark),
3697 .help = "High watermark for flow control. This option"
3698 " should be set to the same value for all threads"
3699 " with non-zero flow.",
3700 .parent = "flow_id",
d71c154c 3701 .hide = 1,
9e684a49 3702 .def = "1024",
e8b0e958
JA		 3703 .category = FIO_OPT_C_IO,
3704 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3705 },
3706 {
3707 .name = "flow_sleep",
e8b0e958 3708 .lname = "I/O flow sleep",
9e684a49
DE		 3709 .type = FIO_OPT_INT,
3710 .off1 = td_var_offset(flow_sleep),
3711 .help = "How many microseconds to sleep after being held"
3712 " back by the flow control mechanism",
3713 .parent = "flow_id",
d71c154c 3714 .hide = 1,
9e684a49 3715 .def = "0",
e8b0e958
JA		 3716 .category = FIO_OPT_C_IO,
3717 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3718 },
65fa28ca
DE		 3719 {
3720 .name = "skip_bad",
3721 .lname = "Skip operations against bad blocks",
3722 .type = FIO_OPT_BOOL,
3723 .off1 = td_var_offset(skip_bad),
3724 .help = "Skip operations against known bad blocks.",
3725 .hide = 1,
3726 .def = "0",
3727 .category = FIO_OPT_C_IO,
3728 .group = FIO_OPT_G_MTD,
3729 },
214e1eca
JA		 3730 {
3731 .name = NULL,
3732 },
3733};
3734
17af15d4 3735static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3736 const char *name, int val)
9f81736c 3737{
17af15d4 3738 lopt->name = (char *) name;
de890a1e 3739 lopt->val = val;
9f81736c 3740 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3741 lopt->has_arg = optional_argument;
9f81736c
JA		 3742 else
3743 lopt->has_arg = required_argument;
3744}
3745
de890a1e
SL		 3746static void options_to_lopts(struct fio_option *opts,
3747 struct option *long_options,
3748 int i, int option_type)
214e1eca 3749{
de890a1e 3750 struct fio_option *o = &opts[0];
214e1eca 3751 while (o->name) {
de890a1e 3752 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3753 if (o->alias) {
3754 i++;
de890a1e 3755 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3756 }
214e1eca
JA		 3757
3758 i++;
3759 o++;
3760 assert(i < FIO_NR_OPTIONS);
3761 }
3762}
3763
de890a1e
SL		 3764void fio_options_set_ioengine_opts(struct option *long_options,
3765 struct thread_data *td)
3766{
3767 unsigned int i;
3768
3769 i = 0;
3770 while (long_options[i].name) {
3771 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3772 memset(&long_options[i], 0, sizeof(*long_options));
3773 break;
3774 }
3775 i++;
3776 }
3777
3778 /*
3779 * Just clear out the prior ioengine options.
3780 */
3781 if (!td || !td->eo)
3782 return;
3783
3784 options_to_lopts(td->io_ops->options, long_options, i,
3785 FIO_GETOPT_IOENGINE);
3786}
3787
3788void fio_options_dup_and_init(struct option *long_options)
3789{
3790 unsigned int i;
3791
9af4a244 3792 options_init(fio_options);
de890a1e
SL		 3793
3794 i = 0;
3795 while (long_options[i].name)
3796 i++;
3797
9af4a244 3798 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 3799}
3800
74929ac2
JA		 3801struct fio_keyword {
3802 const char *word;
3803 const char *desc;
3804 char *replace;
3805};
3806
3807static struct fio_keyword fio_keywords[] = {
3808 {
3809 .word = "$pagesize",
3810 .desc = "Page size in the system",
3811 },
3812 {
3813 .word = "$mb_memory",
3814 .desc = "Megabytes of memory online",
3815 },
3816 {
3817 .word = "$ncpus",
3818 .desc = "Number of CPUs online in the system",
3819 },
3820 {
3821 .word = NULL,
3822 },
3823};
3824
af1dc266
JA		 3825void fio_keywords_exit(void)
3826{
3827 struct fio_keyword *kw;
3828
3829 kw = &fio_keywords[0];
3830 while (kw->word) {
3831 free(kw->replace);
3832 kw->replace = NULL;
3833 kw++;
3834 }
3835}
3836
74929ac2
JA		 3837void fio_keywords_init(void)
3838{
3b2e1464 3839 unsigned long long mb_memory;
74929ac2
JA		 3840 char buf[128];
3841 long l;
3842
a4cfc477 3843 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 3844 fio_keywords[0].replace = strdup(buf);
3845
8eb016d3 3846 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3847 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 3848 fio_keywords[1].replace = strdup(buf);
3849
c00a2289 3850 l = cpus_online();
74929ac2
JA		 3851 sprintf(buf, "%lu", l);
3852 fio_keywords[2].replace = strdup(buf);
3853}
3854
892a6ffc
JA		 3855#define BC_APP "bc"
3856
3857static char *bc_calc(char *str)
3858{
d0c814ec 3859 char buf[128], *tmp;
892a6ffc
JA		 3860 FILE *f;
3861 int ret;
3862
3863 /*
3864 * No math, just return string
3865 */
d0c814ec
SL		 3866 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3867 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 3868 return str;
3869
3870 /*
3871 * Split option from value, we only need to calculate the value
3872 */
3873 tmp = strchr(str, '=');
3874 if (!tmp)
3875 return str;
3876
3877 tmp++;
892a6ffc 3878
d0c814ec
SL		 3879 /*
3880 * Prevent buffer overflows; such a case isn't reasonable anyway
3881 */
3882 if (strlen(str) >= 128 || strlen(tmp) > 100)
3883 return str;
892a6ffc
JA		 3884
3885 sprintf(buf, "which %s > /dev/null", BC_APP);
3886 if (system(buf)) {
3887 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 3888 return NULL;
3889 }
3890
d0c814ec 3891 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 3892 f = popen(buf, "r");
3c3ed070 3893 if (!f)
892a6ffc 3894 return NULL;
892a6ffc 3895
d0c814ec 3896 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 3897 if (ret <= 0) {
3898 pclose(f);
892a6ffc 3899 return NULL;
1d824f37 3900 }
892a6ffc 3901
892a6ffc 3902 pclose(f);
d0c814ec
SL		 3903 buf[(tmp - str) + ret - 1] = '\0';
3904 memcpy(buf, str, tmp - str);
892a6ffc 3905 free(str);
d0c814ec
SL		 3906 return strdup(buf);
3907}
3908
3909/*
3910 * Return a copy of the input string with substrings of the form ${VARNAME}
3911 * substituted with the value of the environment variable VARNAME. The
3912 * substitution always occurs, even if VARNAME is empty or the corresponding
3913 * environment variable undefined.
3914 */
3915static char *option_dup_subs(const char *opt)
3916{
3917 char out[OPT_LEN_MAX+1];
3918 char in[OPT_LEN_MAX+1];
3919 char *outptr = out;
3920 char *inptr = in;
3921 char *ch1, *ch2, *env;
3922 ssize_t nchr = OPT_LEN_MAX;
3923 size_t envlen;
3924
3925 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3926 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3927 return NULL;
3928 }
3929
3930 in[OPT_LEN_MAX] = '\0';
3931 strncpy(in, opt, OPT_LEN_MAX);
3932
3933 while (*inptr && nchr > 0) {
3934 if (inptr[0] == '$' && inptr[1] == '{') {
3935 ch2 = strchr(inptr, '}');
3936 if (ch2 && inptr+1 < ch2) {
3937 ch1 = inptr+2;
3938 inptr = ch2+1;
3939 *ch2 = '\0';
3940
3941 env = getenv(ch1);
3942 if (env) {
3943 envlen = strlen(env);
3944 if (envlen <= nchr) {
3945 memcpy(outptr, env, envlen);
3946 outptr += envlen;
3947 nchr -= envlen;
3948 }
3949 }
3950
3951 continue;
3952 }
3953 }
3954
3955 *outptr++ = *inptr++;
3956 --nchr;
3957 }
3958
3959 *outptr = '\0';
3960 return strdup(out);
892a6ffc
JA		 3961}
3962
74929ac2
JA		 3963/*
3964 * Look for reserved variable names and replace them with real values
3965 */
3966static char *fio_keyword_replace(char *opt)
3967{
3968 char *s;
3969 int i;
d0c814ec 3970 int docalc = 0;
74929ac2
JA		 3971
3972 for (i = 0; fio_keywords[i].word != NULL; i++) {
3973 struct fio_keyword *kw = &fio_keywords[i];
3974
3975 while ((s = strstr(opt, kw->word)) != NULL) {
3976 char *new = malloc(strlen(opt) + 1);
3977 char *o_org = opt;
3978 int olen = s - opt;
3979 int len;
3980
3981 /*
3982 * Copy part of the string before the keyword and
3983 * sprintf() the replacement after it.
3984 */
3985 memcpy(new, opt, olen);
3986 len = sprintf(new + olen, "%s", kw->replace);
3987
3988 /*
3989 * If there's more in the original string, copy that
3990 * in too
3991 */
3992 opt += strlen(kw->word) + olen;
3993 if (strlen(opt))
3994 memcpy(new + olen + len, opt, opt - o_org - 1);
3995
3996 /*
3997 * replace opt and free the old opt
3998 */
3999 opt = new;
d0c814ec 4000 free(o_org);
7a958bd5 4001
d0c814ec 4002 docalc = 1;
74929ac2
JA		 4003 }
4004 }
4005
d0c814ec
SL		 4006 /*
4007 * Check for potential math and invoke bc, if possible
4008 */
4009 if (docalc)
4010 opt = bc_calc(opt);
4011
7a958bd5 4012 return opt;
74929ac2
JA		 4013}
4014
d0c814ec
SL		 4015static char **dup_and_sub_options(char **opts, int num_opts)
4016{
4017 int i;
4018 char **opts_copy = malloc(num_opts * sizeof(*opts));
4019 for (i = 0; i < num_opts; i++) {
4020 opts_copy[i] = option_dup_subs(opts[i]);
4021 if (!opts_copy[i])
4022 continue;
4023 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4024 }
4025 return opts_copy;
4026}
4027
e15b023b 4028static void show_closest_option(const char *opt)
a2d027b9
JA		 4029{
4030 int best_option, best_distance;
4031 int i, distance;
e15b023b
JA		 4032 char *name;
4033
4034 if (!strlen(opt))
4035 return;
4036
4037 name = strdup(opt);
4038 i = 0;
4039 while (name[i] != '\0' && name[i] != '=')
4040 i++;
4041 name[i] = '\0';
a2d027b9
JA		 4042
4043 best_option = -1;
4044 best_distance = INT_MAX;
4045 i = 0;
4046 while (fio_options[i].name) {
4047 distance = string_distance(name, fio_options[i].name);
4048 if (distance < best_distance) {
4049 best_distance = distance;
4050 best_option = i;
4051 }
4052 i++;
4053 }
4054
4055 if (best_option != -1)
4056 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4057
4058 free(name);
a2d027b9
JA		 4059}
4060
292cc475
JA		 4061int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
4062 int dump_cmdline)
214e1eca 4063{
de890a1e 4064 int i, ret, unknown;
d0c814ec 4065 char **opts_copy;
3b8b7135 4066
9af4a244 4067 sort_options(opts, fio_options, num_opts);
d0c814ec 4068 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4069
de890a1e
SL		 4070 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4071 struct fio_option *o;
9af4a244 4072 int newret = parse_option(opts_copy[i], opts[i], fio_options,
292cc475 4073 &o, td, dump_cmdline);
d0c814ec 4074
a8523a6a
JA		 4075 if (!newret && o)
4076 fio_option_mark_set(&td->o, o);
4077
de890a1e
SL		 4078 if (opts_copy[i]) {
4079 if (newret && !o) {
4080 unknown++;
4081 continue;
4082 }
d0c814ec 4083 free(opts_copy[i]);
de890a1e
SL		 4084 opts_copy[i] = NULL;
4085 }
4086
4087 ret |= newret;
4088 }
4089
4090 if (unknown) {
4091 ret |= ioengine_load(td);
4092 if (td->eo) {
4093 sort_options(opts_copy, td->io_ops->options, num_opts);
4094 opts = opts_copy;
4095 }
4096 for (i = 0; i < num_opts; i++) {
4097 struct fio_option *o = NULL;
4098 int newret = 1;
a2d027b9 4099
de890a1e
SL		 4100 if (!opts_copy[i])
4101 continue;
4102
4103 if (td->eo)
4104 newret = parse_option(opts_copy[i], opts[i],
4105 td->io_ops->options, &o,
292cc475 4106 td->eo, dump_cmdline);
de890a1e
SL		 4107
4108 ret |= newret;
a2d027b9 4109 if (!o) {
de890a1e 4110 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4111 show_closest_option(opts[i]);
4112 }
de890a1e
SL		 4113 free(opts_copy[i]);
4114 opts_copy[i] = NULL;
4115 }
74929ac2 4116 }
3b8b7135 4117
d0c814ec 4118 free(opts_copy);
3b8b7135 4119 return ret;
214e1eca
JA		 4120}
4121
4122int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4123{
a8523a6a
JA		 4124 int ret;
4125
4126 ret = parse_cmd_option(opt, val, fio_options, td);
4127 if (!ret) {
4128 struct fio_option *o;
4129
4130 o = find_option(fio_options, opt);
4131 if (o)
4132 fio_option_mark_set(&td->o, o);
4133 }
4134
4135 return ret;
214e1eca
JA		 4136}
4137
de890a1e
SL		 4138int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4139 char *val)
4140{
8a96c80e 4141 return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
de890a1e
SL		 4142}
4143
214e1eca
JA		 4144void fio_fill_default_options(struct thread_data *td)
4145{
cb1402d6 4146 td->o.magic = OPT_MAGIC;
9af4a244 4147 fill_default_options(td, fio_options);
214e1eca
JA		 4148}
4149
4150int fio_show_option_help(const char *opt)
4151{
9af4a244 4152 return show_cmd_help(fio_options, opt);
214e1eca 4153}
d23bb327 4154
de890a1e 4155void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 4156{
de890a1e 4157 struct fio_option *o;
d23bb327 4158 char **ptr;
d23bb327 4159
de890a1e
SL		 4160 for (o = &options[0]; o->name; o++) {
4161 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 4162 continue;
4163
f0fdbcaf 4164 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 4165 if (*ptr)
4166 *ptr = strdup(*ptr);
d23bb327
JA		 4167 }
4168}
4169
de890a1e
SL		 4170/*
4171 * dupe FIO_OPT_STR_STORE options
4172 */
4173void fio_options_mem_dupe(struct thread_data *td)
4174{
9af4a244 4175 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 4176
4177 if (td->eo && td->io_ops) {
de890a1e 4178 void *oldeo = td->eo;
1647f592 4179
de890a1e
SL		 4180 td->eo = malloc(td->io_ops->option_struct_size);
4181 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4182 options_mem_dupe(td->eo, td->io_ops->options);
4183 }
4184}
4185
d6978a32
JA		 4186unsigned int fio_get_kb_base(void *data)
4187{
83ea422a 4188 struct thread_options *o = data;
d6978a32
JA		 4189 unsigned int kb_base = 0;
4190
cb1402d6
JA		 4191 /*
4192 * This is a hack... For private options, *data is not holding
4193 * a pointer to the thread_options, but to private data. This means
4194 * we can't safely dereference it, but magic is first so mem wise
4195 * it is valid. But this also means that if the job first sets
4196 * kb_base and expects that to be honored by private options,
4197 * it will be disappointed. We will return the global default
4198 * for this.
4199 */
4200 if (o && o->magic == OPT_MAGIC)
83ea422a 4201 kb_base = o->kb_base;
d6978a32
JA		 4202 if (!kb_base)
4203 kb_base = 1024;
4204
4205 return kb_base;
4206}
9f988e2e 4207
07b3232d 4208int add_option(struct fio_option *o)
9f988e2e 4209{
07b3232d
JA		 4210 struct fio_option *__o;
4211 int opt_index = 0;
4212
9af4a244 4213 __o = fio_options;
07b3232d
JA		 4214 while (__o->name) {
4215 opt_index++;
4216 __o++;
4217 }
4218
7b504edd
JA		 4219 if (opt_index + 1 == FIO_MAX_OPTS) {
4220 log_err("fio: FIO_MAX_OPTS is too small\n");
4221 return 1;
4222 }
4223
9af4a244 4224 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4225 fio_options[opt_index + 1].name = NULL;
07b3232d 4226 return 0;
9f988e2e 4227}
e2de69da 4228
07b3232d 4229void invalidate_profile_options(const char *prof_name)
e2de69da 4230{
07b3232d 4231 struct fio_option *o;
e2de69da 4232
9af4a244 4233 o = fio_options;
07b3232d
JA		 4234 while (o->name) {
4235 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4236 o->type = FIO_OPT_INVALID;
4237 o->prof_name = NULL;
4238 }
4239 o++;
e2de69da
JA		 4240 }
4241}
f5b6bb85
JA		 4242
4243void add_opt_posval(const char *optname, const char *ival, const char *help)
4244{
4245 struct fio_option *o;
4246 unsigned int i;
4247
9af4a244 4248 o = find_option(fio_options, optname);
f5b6bb85
JA		 4249 if (!o)
4250 return;
4251
4252 for (i = 0; i < PARSE_MAX_VP; i++) {
4253 if (o->posval[i].ival)
4254 continue;
4255
4256 o->posval[i].ival = ival;
4257 o->posval[i].help = help;
4258 break;
4259 }
4260}
4261
4262void del_opt_posval(const char *optname, const char *ival)
4263{
4264 struct fio_option *o;
4265 unsigned int i;
4266
9af4a244 4267 o = find_option(fio_options, optname);
f5b6bb85
JA		 4268 if (!o)
4269 return;
4270
4271 for (i = 0; i < PARSE_MAX_VP; i++) {
4272 if (!o->posval[i].ival)
4273 continue;
4274 if (strcmp(o->posval[i].ival, ival))
4275 continue;
4276
4277 o->posval[i].ival = NULL;
4278 o->posval[i].help = NULL;
4279 }
4280}
7e356b2d
JA		 4281
4282void fio_options_free(struct thread_data *td)
4283{
9af4a244 4284 options_free(fio_options, td);
de890a1e
SL		 4285 if (td->eo && td->io_ops && td->io_ops->options) {
4286 options_free(td->io_ops->options, td->eo);
4287 free(td->eo);
4288 td->eo = NULL;
4289 }
7e356b2d 4290}
c504ee55
JA		 4291
4292struct fio_option *fio_option_find(const char *name)
4293{
4294 return find_option(fio_options, name);
4295}
4296
f0e7f45a
JA		 4297static struct fio_option *find_next_opt(struct thread_options *o,
4298 struct fio_option *from,
4299 unsigned int off1)
a8523a6a 4300{
f0e7f45a 4301 struct fio_option *opt;
a8523a6a 4302
f0e7f45a
JA		 4303 if (!from)
4304 from = &fio_options[0];
4305 else
4306 from++;
4307
4308 opt = NULL;
4309 do {
4310 if (off1 == from->off1) {
4311 opt = from;
a8523a6a
JA		 4312 break;
4313 }
f0e7f45a
JA		 4314 from++;
4315 } while (from->name);
a8523a6a 4316
f0e7f45a
JA		 4317 return opt;
4318}
4319
4320static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4321{
4322 unsigned int opt_off, index, offset;
a8523a6a
JA		 4323
4324 opt_off = opt - &fio_options[0];
4325 index = opt_off / (8 * sizeof(uint64_t));
4326 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4327 return (o->set_options[index] & (1UL << offset)) != 0;
4328}
4329
f0e7f45a
JA		 4330int __fio_option_is_set(struct thread_options *o, unsigned int off1)
4331{
4332 struct fio_option *opt, *next;
4333
4334 next = NULL;
4335 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4336 if (opt_is_set(o, opt))
4337 return 1;
4338
4339 next = opt;
4340 }
4341
4342 return 0;
4343}
4344
a8523a6a
JA		 4345void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4346{
4347 unsigned int opt_off, index, offset;
4348
4349 opt_off = opt - &fio_options[0];
4350 index = opt_off / (8 * sizeof(uint64_t));
4351 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
4352 o->set_options[index] |= 1UL << offset;
4353}
fio - Flexible IO Tester