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Null terminate before (or after) strncpy(3)
[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"
61b9861d 17#include "lib/pattern.h"
9f988e2e 18#include "options.h"
d220c761 19#include "optgroup.h"
214e1eca 20
e13c3b50 21char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 22
4205998f
JA		 23struct pattern_fmt_desc fmt_desc[] = {
24 {
25 .fmt = "%o",
26 .len = FIELD_SIZE(struct io_u *, offset),
27 .paste = paste_blockoff
28 }
29};
30
214e1eca
JA		 31/*
32 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
33 */
34static char *get_opt_postfix(const char *str)
35{
36 char *p = strstr(str, ":");
37
38 if (!p)
39 return NULL;
40
41 p++;
42 strip_blank_front(&p);
43 strip_blank_end(p);
44 return strdup(p);
45}
46
564ca972
JA		 47static int bs_cmp(const void *p1, const void *p2)
48{
49 const struct bssplit *bsp1 = p1;
50 const struct bssplit *bsp2 = p2;
51
a7cd478d 52 return (int) bsp1->perc - (int) bsp2->perc;
564ca972
JA		 53}
54
d2835319
JA		 55struct split {
56 unsigned int nr;
57 unsigned int val1[100];
58 unsigned int val2[100];
59};
60
61static int split_parse_ddir(struct thread_options *o, struct split *split,
62 enum fio_ddir ddir, char *str)
564ca972 63{
d2835319 64 unsigned int i, perc;
564ca972 65 long long val;
720e84ad 66 char *fname;
564ca972 67
d2835319 68 split->nr = 0;
564ca972
JA		 69
70 i = 0;
564ca972
JA		 71 while ((fname = strsep(&str, ":")) != NULL) {
72 char *perc_str;
73
74 if (!strlen(fname))
75 break;
76
564ca972
JA		 77 perc_str = strstr(fname, "/");
78 if (perc_str) {
79 *perc_str = '\0';
80 perc_str++;
81 perc = atoi(perc_str);
82 if (perc > 100)
83 perc = 100;
84 else if (!perc)
d711cce5 85 perc = -1U;
564ca972 86 } else
d711cce5 87 perc = -1U;
564ca972 88
88038bc7 89 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
564ca972 90 log_err("fio: bssplit conversion failed\n");
564ca972
JA		 91 return 1;
92 }
93
d2835319
JA		 94 split->val1[i] = val;
95 split->val2[i] = perc;
564ca972 96 i++;
d2835319
JA		 97 if (i == 100)
98 break;
564ca972
JA		 99 }
100
d2835319
JA		 101 split->nr = i;
102 return 0;
103}
104
105static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
106{
107 unsigned int i, perc, perc_missing;
108 unsigned int max_bs, min_bs;
109 struct split split;
110
111 memset(&split, 0, sizeof(split));
112
113 if (split_parse_ddir(o, &split, ddir, str))
114 return 1;
115 if (!split.nr)
116 return 0;
117
118 max_bs = 0;
119 min_bs = -1;
120 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
121 o->bssplit_nr[ddir] = split.nr;
122 for (i = 0; i < split.nr; i++) {
123 if (split.val1[i] > max_bs)
124 max_bs = split.val1[i];
125 if (split.val1[i] < min_bs)
126 min_bs = split.val1[i];
127
128 o->bssplit[ddir][i].bs = split.val1[i];
129 o->bssplit[ddir][i].perc =split.val2[i];
130 }
564ca972
JA		 131
132 /*
133 * Now check if the percentages add up, and how much is missing
134 */
135 perc = perc_missing = 0;
83ea422a 136 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 137 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 138
d711cce5 139 if (bsp->perc == -1U)
564ca972
JA		 140 perc_missing++;
141 else
142 perc += bsp->perc;
143 }
144
40bafa33 145 if (perc > 100 && perc_missing > 1) {
564ca972 146 log_err("fio: bssplit percentages add to more than 100%%\n");
d2835319
JA		 147 free(o->bssplit[ddir]);
148 o->bssplit[ddir] = NULL;
564ca972
JA		 149 return 1;
150 }
d711cce5 151
564ca972
JA		 152 /*
153 * If values didn't have a percentage set, divide the remains between
154 * them.
155 */
156 if (perc_missing) {
d711cce5 157 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 158 perc = 100;
83ea422a 159 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 160 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 161
d711cce5 162 if (bsp->perc == -1U)
564ca972
JA		 163 bsp->perc = (100 - perc) / perc_missing;
164 }
165 }
166
83ea422a
JA		 167 o->min_bs[ddir] = min_bs;
168 o->max_bs[ddir] = max_bs;
564ca972
JA		 169
170 /*
171 * now sort based on percentages, for ease of lookup
172 */
d2835319 173 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
720e84ad 174 return 0;
720e84ad
JA		 175}
176
764593c0
JA		 177typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *);
178
179static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn)
720e84ad 180{
764593c0 181 char *odir, *ddir;
720e84ad
JA		 182 int ret = 0;
183
720e84ad
JA		 184 odir = strchr(str, ',');
185 if (odir) {
6eaf09d6
SL		 186 ddir = strchr(odir + 1, ',');
187 if (ddir) {
764593c0 188 ret = fn(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL		 189 if (!ret)
190 *ddir = '\0';
191 } else {
192 char *op;
193
194 op = strdup(odir + 1);
764593c0 195 ret = fn(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 196
197 free(op);
198 }
d79db122 199 if (!ret)
764593c0 200 ret = fn(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA		 201 if (!ret) {
202 *odir = '\0';
764593c0 203 ret = fn(&td->o, DDIR_READ, str);
720e84ad
JA		 204 }
205 } else {
206 char *op;
207
208 op = strdup(str);
764593c0 209 ret = fn(&td->o, DDIR_WRITE, op);
6eaf09d6 210 free(op);
720e84ad 211
6eaf09d6
SL		 212 if (!ret) {
213 op = strdup(str);
764593c0 214 ret = fn(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 215 free(op);
216 }
f0c9c217 217 if (!ret)
764593c0 218 ret = fn(&td->o, DDIR_READ, str);
720e84ad 219 }
564ca972 220
764593c0
JA		 221 return ret;
222}
223
224static int str_bssplit_cb(void *data, const char *input)
225{
226 struct thread_data *td = data;
227 char *str, *p;
228 int ret = 0;
229
764593c0
JA		 230 p = str = strdup(input);
231
232 strip_blank_front(&str);
233 strip_blank_end(str);
234
235 ret = str_split_parse(td, str, bssplit_ddir);
236
55baca06
JA		 237 if (parse_dryrun()) {
238 int i;
239
240 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
241 free(td->o.bssplit[i]);
242 td->o.bssplit[i] = NULL;
243 td->o.bssplit_nr[i] = 0;
244 }
245 }
246
564ca972 247 free(p);
720e84ad 248 return ret;
564ca972
JA		 249}
250
8b28bd41
DM		 251static int str2error(char *str)
252{
a94eb99a 253 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 254 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
255 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
256 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
257 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
258 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
259 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 260 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
7fe481b4 261 int i = 0, num = sizeof(err) / sizeof(char *);
8b28bd41 262
a94eb99a 263 while (i < num) {
8b28bd41
DM		 264 if (!strcmp(err[i], str))
265 return i + 1;
266 i++;
267 }
268 return 0;
269}
270
271static int ignore_error_type(struct thread_data *td, int etype, char *str)
272{
273 unsigned int i;
274 int *error;
275 char *fname;
276
277 if (etype >= ERROR_TYPE_CNT) {
278 log_err("Illegal error type\n");
279 return 1;
280 }
281
282 td->o.ignore_error_nr[etype] = 4;
283 error = malloc(4 * sizeof(struct bssplit));
284
285 i = 0;
286 while ((fname = strsep(&str, ":")) != NULL) {
287
288 if (!strlen(fname))
289 break;
290
291 /*
292 * grow struct buffer, if needed
293 */
294 if (i == td->o.ignore_error_nr[etype]) {
295 td->o.ignore_error_nr[etype] <<= 1;
296 error = realloc(error, td->o.ignore_error_nr[etype]
297 * sizeof(int));
298 }
299 if (fname[0] == 'E') {
300 error[i] = str2error(fname);
301 } else {
302 error[i] = atoi(fname);
303 if (error[i] < 0)
1616e025 304 error[i] = -error[i];
8b28bd41
DM		 305 }
306 if (!error[i]) {
307 log_err("Unknown error %s, please use number value \n",
308 fname);
0fddbf7a 309 free(error);
8b28bd41
DM		 310 return 1;
311 }
312 i++;
313 }
314 if (i) {
315 td->o.continue_on_error |= 1 << etype;
316 td->o.ignore_error_nr[etype] = i;
317 td->o.ignore_error[etype] = error;
c7b086be
JA		 318 } else
319 free(error);
320
8b28bd41
DM		 321 return 0;
322
323}
324
325static int str_ignore_error_cb(void *data, const char *input)
326{
327 struct thread_data *td = data;
328 char *str, *p, *n;
329 int type = 0, ret = 1;
52c0cea3
JA		 330
331 if (parse_dryrun())
332 return 0;
333
8b28bd41
DM		 334 p = str = strdup(input);
335
336 strip_blank_front(&str);
337 strip_blank_end(str);
338
339 while (p) {
340 n = strchr(p, ',');
341 if (n)
342 *n++ = '\0';
343 ret = ignore_error_type(td, type, p);
344 if (ret)
345 break;
346 p = n;
347 type++;
348 }
349 free(str);
350 return ret;
351}
352
211097b2
JA		 353static int str_rw_cb(void *data, const char *str)
354{
355 struct thread_data *td = data;
83ea422a 356 struct thread_options *o = &td->o;
27ca949f 357 char *nr;
211097b2 358
52c0cea3
JA		 359 if (parse_dryrun())
360 return 0;
361
83ea422a
JA		 362 o->ddir_seq_nr = 1;
363 o->ddir_seq_add = 0;
059b0802 364
27ca949f 365 nr = get_opt_postfix(str);
059b0802
JA		 366 if (!nr)
367 return 0;
368
369 if (td_random(td))
83ea422a 370 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 371 else {
372 long long val;
373
88038bc7 374 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 375 log_err("fio: rw postfix parsing failed\n");
376 free(nr);
377 return 1;
378 }
379
83ea422a 380 o->ddir_seq_add = val;
182ec6ee 381 }
211097b2 382
059b0802 383 free(nr);
211097b2
JA		 384 return 0;
385}
386
214e1eca
JA		 387static int str_mem_cb(void *data, const char *mem)
388{
389 struct thread_data *td = data;
390
217b0f1d
LG		 391 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
392 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 393 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 394
395 return 0;
396}
397
c223da83
JA		 398static int fio_clock_source_cb(void *data, const char *str)
399{
400 struct thread_data *td = data;
401
402 fio_clock_source = td->o.clocksource;
fa80feae 403 fio_clock_source_set = 1;
01423eae 404 fio_clock_init();
c223da83
JA		 405 return 0;
406}
407
85bc833b 408static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA		 409{
410 struct thread_data *td = data;
411
412 td->o.rwmix[DDIR_READ] = *val;
413 td->o.rwmix[DDIR_WRITE] = 100 - *val;
414 return 0;
415}
416
85bc833b 417static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA		 418{
419 struct thread_data *td = data;
420
421 td->o.rwmix[DDIR_WRITE] = *val;
422 td->o.rwmix[DDIR_READ] = 100 - *val;
423 return 0;
424}
425
214e1eca
JA		 426static int str_exitall_cb(void)
427{
428 exitall_on_terminate = 1;
429 return 0;
430}
431
214e1eca 432#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 433int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 434{
50b5860b 435 unsigned int i, index, cpus_in_mask;
c2acfbac 436 const long max_cpu = cpus_online();
c2acfbac 437
50b5860b
JA		 438 cpus_in_mask = fio_cpu_count(mask);
439 cpu_index = cpu_index % cpus_in_mask;
440
441 index = 0;
c2acfbac 442 for (i = 0; i < max_cpu; i++) {
50b5860b 443 if (!fio_cpu_isset(mask, i))
c2acfbac 444 continue;
50b5860b
JA		 445
446 if (cpu_index != index)
447 fio_cpu_clear(mask, i);
448
449 index++;
c2acfbac
JA		 450 }
451
452 return fio_cpu_count(mask);
453}
454
85bc833b 455static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA		 456{
457 struct thread_data *td = data;
214e1eca 458 unsigned int i;
b03daafb 459 long max_cpu;
d2ce18b5
JA		 460 int ret;
461
52c0cea3
JA		 462 if (parse_dryrun())
463 return 0;
464
d2ce18b5
JA		 465 ret = fio_cpuset_init(&td->o.cpumask);
466 if (ret < 0) {
467 log_err("fio: cpuset_init failed\n");
468 td_verror(td, ret, "fio_cpuset_init");
469 return 1;
470 }
214e1eca 471
c00a2289 472 max_cpu = cpus_online();
214e1eca 473
62a7273d
JA		 474 for (i = 0; i < sizeof(int) * 8; i++) {
475 if ((1 << i) & *val) {
b8411399 476 if (i >= max_cpu) {
b03daafb 477 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 478 max_cpu - 1);
b03daafb
JA		 479 return 1;
480 }
62a7273d 481 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 482 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 483 }
484 }
d2e268b0 485
d2e268b0 486 return 0;
214e1eca
JA		 487}
488
e8462bd8
JA		 489static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
490 const char *input)
214e1eca 491{
d2e268b0 492 char *cpu, *str, *p;
b03daafb 493 long max_cpu;
19608d6c 494 int ret = 0;
d2e268b0 495
e8462bd8 496 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 497 if (ret < 0) {
498 log_err("fio: cpuset_init failed\n");
499 td_verror(td, ret, "fio_cpuset_init");
500 return 1;
501 }
d2e268b0
JA		 502
503 p = str = strdup(input);
214e1eca 504
d2e268b0
JA		 505 strip_blank_front(&str);
506 strip_blank_end(str);
507
c00a2289 508 max_cpu = cpus_online();
b03daafb 509
d2e268b0 510 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 511 char *str2, *cpu2;
512 int icpu, icpu2;
513
d2e268b0
JA		 514 if (!strlen(cpu))
515 break;
62a7273d
JA		 516
517 str2 = cpu;
518 icpu2 = -1;
519 while ((cpu2 = strsep(&str2, "-")) != NULL) {
520 if (!strlen(cpu2))
521 break;
522
523 icpu2 = atoi(cpu2);
524 }
525
526 icpu = atoi(cpu);
527 if (icpu2 == -1)
528 icpu2 = icpu;
529 while (icpu <= icpu2) {
6d459ee7 530 if (icpu >= FIO_MAX_CPUS) {
19608d6c 531 log_err("fio: your OS only supports up to"
6d459ee7 532 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 533 ret = 1;
534 break;
535 }
9e986889 536 if (icpu >= max_cpu) {
b03daafb 537 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 538 icpu, max_cpu - 1);
b03daafb
JA		 539 ret = 1;
540 break;
541 }
0b9d69ec 542
62a7273d 543 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 544 fio_cpu_set(mask, icpu);
62a7273d
JA		 545 icpu++;
546 }
19608d6c
JA		 547 if (ret)
548 break;
d2e268b0
JA		 549 }
550
551 free(p);
19608d6c 552 return ret;
214e1eca 553}
e8462bd8
JA		 554
555static int str_cpus_allowed_cb(void *data, const char *input)
556{
557 struct thread_data *td = data;
e8462bd8 558
52c0cea3
JA		 559 if (parse_dryrun())
560 return 0;
561
b2a9e649 562 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 563}
564
565static int str_verify_cpus_allowed_cb(void *data, const char *input)
566{
567 struct thread_data *td = data;
e8462bd8 568
466155e2
JA		 569 if (parse_dryrun())
570 return 0;
571
b2a9e649 572 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 573}
c08f9fe2 574
105157ad 575#ifdef CONFIG_ZLIB
c08f9fe2
JA		 576static int str_log_cpus_allowed_cb(void *data, const char *input)
577{
578 struct thread_data *td = data;
579
580 if (parse_dryrun())
581 return 0;
582
583 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
584}
105157ad 585#endif /* CONFIG_ZLIB */
c08f9fe2 586
105157ad 587#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 588
67bf9823 589#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 590static int str_numa_cpunodes_cb(void *data, char *input)
591{
592 struct thread_data *td = data;
43522848 593 struct bitmask *verify_bitmask;
d0b937ed 594
52c0cea3
JA		 595 if (parse_dryrun())
596 return 0;
597
d0b937ed
YR		 598 /* numa_parse_nodestring() parses a character string list
599 * of nodes into a bit mask. The bit mask is allocated by
600 * numa_allocate_nodemask(), so it should be freed by
601 * numa_free_nodemask().
602 */
43522848
DG		 603 verify_bitmask = numa_parse_nodestring(input);
604 if (verify_bitmask == NULL) {
d0b937ed
YR		 605 log_err("fio: numa_parse_nodestring failed\n");
606 td_verror(td, 1, "str_numa_cpunodes_cb");
607 return 1;
608 }
43522848 609 numa_free_nodemask(verify_bitmask);
d0b937ed 610
43522848 611 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 612 return 0;
613}
614
615static int str_numa_mpol_cb(void *data, char *input)
616{
617 struct thread_data *td = data;
618 const char * const policy_types[] =
05d6f44b 619 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 620 int i;
52c0cea3 621 char *nodelist;
43522848 622 struct bitmask *verify_bitmask;
52c0cea3
JA		 623
624 if (parse_dryrun())
625 return 0;
d0b937ed 626
52c0cea3 627 nodelist = strchr(input, ':');
d0b937ed
YR		 628 if (nodelist) {
629 /* NUL-terminate mode */
630 *nodelist++ = '\0';
631 }
632
633 for (i = 0; i <= MPOL_LOCAL; i++) {
634 if (!strcmp(input, policy_types[i])) {
635 td->o.numa_mem_mode = i;
636 break;
637 }
638 }
639 if (i > MPOL_LOCAL) {
640 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
641 goto out;
642 }
643
644 switch (td->o.numa_mem_mode) {
645 case MPOL_PREFERRED:
646 /*
647 * Insist on a nodelist of one node only
648 */
649 if (nodelist) {
650 char *rest = nodelist;
651 while (isdigit(*rest))
652 rest++;
653 if (*rest) {
654 log_err("fio: one node only for \'prefer\'\n");
655 goto out;
656 }
657 } else {
658 log_err("fio: one node is needed for \'prefer\'\n");
659 goto out;
660 }
661 break;
662 case MPOL_INTERLEAVE:
663 /*
664 * Default to online nodes with memory if no nodelist
665 */
666 if (!nodelist)
667 nodelist = strdup("all");
668 break;
669 case MPOL_LOCAL:
670 case MPOL_DEFAULT:
671 /*
672 * Don't allow a nodelist
673 */
674 if (nodelist) {
675 log_err("fio: NO nodelist for \'local\'\n");
676 goto out;
677 }
678 break;
679 case MPOL_BIND:
680 /*
681 * Insist on a nodelist
682 */
683 if (!nodelist) {
684 log_err("fio: a nodelist is needed for \'bind\'\n");
685 goto out;
686 }
687 break;
688 }
689
690
691 /* numa_parse_nodestring() parses a character string list
692 * of nodes into a bit mask. The bit mask is allocated by
693 * numa_allocate_nodemask(), so it should be freed by
694 * numa_free_nodemask().
695 */
696 switch (td->o.numa_mem_mode) {
697 case MPOL_PREFERRED:
698 td->o.numa_mem_prefer_node = atoi(nodelist);
699 break;
700 case MPOL_INTERLEAVE:
701 case MPOL_BIND:
43522848
DG		 702 verify_bitmask = numa_parse_nodestring(nodelist);
703 if (verify_bitmask == NULL) {
d0b937ed
YR		 704 log_err("fio: numa_parse_nodestring failed\n");
705 td_verror(td, 1, "str_numa_memnodes_cb");
706 return 1;
707 }
43522848
DG		 708 td->o.numa_memnodes = strdup(nodelist);
709 numa_free_nodemask(verify_bitmask);
b74e419e 710
d0b937ed
YR		 711 break;
712 case MPOL_LOCAL:
713 case MPOL_DEFAULT:
714 default:
715 break;
716 }
717
d0b937ed 718 return 0;
d0b937ed
YR		 719out:
720 return 1;
721}
722#endif
723
214e1eca
JA		 724static int str_fst_cb(void *data, const char *str)
725{
726 struct thread_data *td = data;
8c07860d
JA		 727 double val;
728 bool done = false;
729 char *nr;
214e1eca
JA		 730
731 td->file_service_nr = 1;
8c07860d
JA		 732
733 switch (td->o.file_service_type) {
734 case FIO_FSERVICE_RANDOM:
735 case FIO_FSERVICE_RR:
736 case FIO_FSERVICE_SEQ:
737 nr = get_opt_postfix(str);
738 if (nr) {
739 td->file_service_nr = atoi(nr);
740 free(nr);
741 }
742 done = true;
743 break;
744 case FIO_FSERVICE_ZIPF:
745 val = FIO_DEF_ZIPF;
746 break;
747 case FIO_FSERVICE_PARETO:
748 val = FIO_DEF_PARETO;
749 break;
750 case FIO_FSERVICE_GAUSS:
751 val = 0.0;
752 break;
753 default:
754 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
755 return 1;
756 }
757
758 if (done)
759 return 0;
760
761 nr = get_opt_postfix(str);
762 if (nr && !str_to_float(nr, &val, 0)) {
763 log_err("fio: file service type random postfix parsing failed\n");
182ec6ee 764 free(nr);
8c07860d
JA		 765 return 1;
766 }
767
768 free(nr);
769
770 switch (td->o.file_service_type) {
771 case FIO_FSERVICE_ZIPF:
772 if (val == 1.00) {
773 log_err("fio: zipf theta must be different than 1.0\n");
774 return 1;
775 }
776 if (parse_dryrun())
777 return 0;
778 td->zipf_theta = val;
779 break;
780 case FIO_FSERVICE_PARETO:
781 if (val <= 0.00 || val >= 1.00) {
782 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
783 return 1;
784 }
785 if (parse_dryrun())
786 return 0;
787 td->pareto_h = val;
788 break;
789 case FIO_FSERVICE_GAUSS:
790 if (val < 0.00 || val >= 100.00) {
99c94a6b 791 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
8c07860d
JA		 792 return 1;
793 }
794 if (parse_dryrun())
795 return 0;
796 td->gauss_dev = val;
797 break;
182ec6ee 798 }
214e1eca
JA		 799
800 return 0;
801}
802
67bf9823 803#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 804static int str_sfr_cb(void *data, const char *str)
805{
806 struct thread_data *td = data;
807 char *nr = get_opt_postfix(str);
808
809 td->sync_file_range_nr = 1;
810 if (nr) {
811 td->sync_file_range_nr = atoi(nr);
812 free(nr);
813 }
814
815 return 0;
816}
3ae06371 817#endif
44f29692 818
e0a04ac1
JA		 819static int zone_cmp(const void *p1, const void *p2)
820{
821 const struct zone_split *zsp1 = p1;
822 const struct zone_split *zsp2 = p2;
823
824 return (int) zsp2->access_perc - (int) zsp1->access_perc;
825}
826
764593c0
JA		 827static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
828 char *str)
e0a04ac1 829{
e0a04ac1 830 unsigned int i, perc, perc_missing, sperc, sperc_missing;
d2835319 831 struct split split;
e0a04ac1 832
d2835319 833 memset(&split, 0, sizeof(split));
e0a04ac1 834
d2835319
JA		 835 if (split_parse_ddir(o, &split, ddir, str))
836 return 1;
837 if (!split.nr)
838 return 0;
e0a04ac1 839
d2835319
JA		 840 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
841 o->zone_split_nr[ddir] = split.nr;
842 for (i = 0; i < split.nr; i++) {
843 o->zone_split[ddir][i].access_perc = split.val1[i];
844 o->zone_split[ddir][i].size_perc = split.val2[i];
e0a04ac1
JA		 845 }
846
e0a04ac1
JA		 847 /*
848 * Now check if the percentages add up, and how much is missing
849 */
850 perc = perc_missing = 0;
851 sperc = sperc_missing = 0;
852 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 853 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 854
855 if (zsp->access_perc == (uint8_t) -1U)
856 perc_missing++;
857 else
858 perc += zsp->access_perc;
859
860 if (zsp->size_perc == (uint8_t) -1U)
861 sperc_missing++;
862 else
863 sperc += zsp->size_perc;
864
865 }
866
867 if (perc > 100 || sperc > 100) {
868 log_err("fio: zone_split percentages add to more than 100%%\n");
d2835319
JA		 869 free(o->zone_split[ddir]);
870 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 871 return 1;
872 }
873 if (perc < 100) {
874 log_err("fio: access percentage don't add up to 100 for zoned "
875 "random distribution (got=%u)\n", perc);
d2835319
JA		 876 free(o->zone_split[ddir]);
877 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 878 return 1;
879 }
880
881 /*
882 * If values didn't have a percentage set, divide the remains between
883 * them.
884 */
885 if (perc_missing) {
886 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
887 perc = 100;
888 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 889 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 890
891 if (zsp->access_perc == (uint8_t) -1U)
892 zsp->access_perc = (100 - perc) / perc_missing;
893 }
894 }
895 if (sperc_missing) {
896 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
897 sperc = 100;
898 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 899 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 900
901 if (zsp->size_perc == (uint8_t) -1U)
902 zsp->size_perc = (100 - sperc) / sperc_missing;
903 }
904 }
905
906 /*
907 * now sort based on percentages, for ease of lookup
908 */
d2835319 909 qsort(o->zone_split[ddir], o->zone_split_nr[ddir], sizeof(struct zone_split), zone_cmp);
e0a04ac1
JA		 910 return 0;
911}
912
913static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
914{
915 unsigned int i, j, sprev, aprev;
916
917 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
918
919 sprev = aprev = 0;
920 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
921 struct zone_split *zsp = &td->o.zone_split[ddir][i];
922
923 for (j = aprev; j < aprev + zsp->access_perc; j++) {
924 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
925
926 zsi->size_perc = sprev + zsp->size_perc;
927 zsi->size_perc_prev = sprev;
928 }
929
930 aprev += zsp->access_perc;
931 sprev += zsp->size_perc;
932 }
933}
934
935/*
936 * Generate state table for indexes, so we don't have to do it inline from
937 * the hot IO path
938 */
939static void td_zone_gen_index(struct thread_data *td)
940{
941 int i;
942
943 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
944 sizeof(struct zone_split_index *));
945
946 for (i = 0; i < DDIR_RWDIR_CNT; i++)
947 __td_zone_gen_index(td, i);
948}
949
e0a04ac1
JA		 950static int parse_zoned_distribution(struct thread_data *td, const char *input)
951{
764593c0 952 char *str, *p;
e0a04ac1
JA		 953 int i, ret = 0;
954
955 p = str = strdup(input);
956
957 strip_blank_front(&str);
958 strip_blank_end(str);
959
960 /* We expect it to start like that, bail if not */
961 if (strncmp(str, "zoned:", 6)) {
962 log_err("fio: mismatch in zoned input <%s>\n", str);
963 free(p);
964 return 1;
965 }
966 str += strlen("zoned:");
967
764593c0 968 ret = str_split_parse(td, str, zone_split_ddir);
e0a04ac1
JA		 969
970 free(p);
971
972 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
973 int j;
974
975 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
976
977 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
978 struct zone_split *zsp = &td->o.zone_split[i][j];
979
980 dprint(FD_PARSE, "\t%d: %u/%u\n", j, zsp->access_perc,
981 zsp->size_perc);
982 }
983 }
984
55baca06
JA		 985 if (parse_dryrun()) {
986 int i;
987
988 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
989 free(td->o.zone_split[i]);
990 td->o.zone_split[i] = NULL;
991 td->o.zone_split_nr[i] = 0;
992 }
993
994 return ret;
995 }
996
e0a04ac1
JA		 997 if (!ret)
998 td_zone_gen_index(td);
dc4bffb8
JA		 999 else {
1000 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1001 td->o.zone_split_nr[i] = 0;
1002 }
e0a04ac1
JA		 1003
1004 return ret;
1005}
1006
e25839d4
JA		 1007static int str_random_distribution_cb(void *data, const char *str)
1008{
1009 struct thread_data *td = data;
1010 double val;
1011 char *nr;
1012
925fee33 1013 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1014 val = FIO_DEF_ZIPF;
925fee33 1015 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1016 val = FIO_DEF_PARETO;
56d9fa4b
JA		 1017 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1018 val = 0.0;
e0a04ac1
JA		 1019 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
1020 return parse_zoned_distribution(td, str);
925fee33 1021 else
e25839d4
JA		 1022 return 0;
1023
1024 nr = get_opt_postfix(str);
88038bc7 1025 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 1026 log_err("fio: random postfix parsing failed\n");
1027 free(nr);
1028 return 1;
1029 }
1030
078189c1
JA		 1031 free(nr);
1032
18ded917
JA		 1033 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1034 if (val == 1.00) {
1035 log_err("fio: zipf theta must different than 1.0\n");
1036 return 1;
1037 }
55baca06
JA		 1038 if (parse_dryrun())
1039 return 0;
1e5324e7 1040 td->o.zipf_theta.u.f = val;
56d9fa4b 1041 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 1042 if (val <= 0.00 || val >= 1.00) {
1043 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1044 return 1;
1045 }
55baca06
JA		 1046 if (parse_dryrun())
1047 return 0;
1e5324e7 1048 td->o.pareto_h.u.f = val;
3cdb8cf3 1049 } else {
76527b19 1050 if (val < 0.00 || val >= 100.0) {
99c94a6b 1051 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA		 1052 return 1;
1053 }
55baca06
JA		 1054 if (parse_dryrun())
1055 return 0;
f88cd222 1056 td->o.gauss_dev.u.f = val;
3cdb8cf3 1057 }
921c766f
JA		 1058
1059 return 0;
1060}
1061
8e827d35 1062/*
bcbfeefa 1063 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 1064 * is escaped with a '\', then that ':' is part of the filename and does not
1065 * indicate a new file.
1066 */
bcbfeefa 1067static char *get_next_name(char **ptr)
8e827d35
JA		 1068{
1069 char *str = *ptr;
1070 char *p, *start;
1071
1072 if (!str || !strlen(str))
1073 return NULL;
1074
1075 start = str;
1076 do {
1077 /*
1078 * No colon, we are done
1079 */
1080 p = strchr(str, ':');
1081 if (!p) {
1082 *ptr = NULL;
1083 break;
1084 }
1085
1086 /*
1087 * We got a colon, but it's the first character. Skip and
1088 * continue
1089 */
1090 if (p == start) {
1091 str = ++start;
1092 continue;
1093 }
1094
1095 if (*(p - 1) != '\\') {
1096 *p = '\0';
1097 *ptr = p + 1;
1098 break;
1099 }
1100
1101 memmove(p - 1, p, strlen(p) + 1);
1102 str = p;
1103 } while (1);
1104
1105 return start;
1106}
1107
bcbfeefa
CE		 1108
1109static int get_max_name_idx(char *input)
1110{
1111 unsigned int cur_idx;
1112 char *str, *p;
1113
1114 p = str = strdup(input);
1115 for (cur_idx = 0; ; cur_idx++)
1116 if (get_next_name(&str) == NULL)
1117 break;
1118
1119 free(p);
1120 return cur_idx;
1121}
1122
1123/*
1124 * Returns the directory at the index, indexes > entires will be
1125 * assigned via modulo division of the index
1126 */
922a5be8
JA		 1127int set_name_idx(char *target, size_t tlen, char *input, int index,
1128 bool unique_filename)
bcbfeefa
CE		 1129{
1130 unsigned int cur_idx;
1131 int len;
1132 char *fname, *str, *p;
1133
1134 p = str = strdup(input);
1135
1136 index %= get_max_name_idx(input);
1137 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1138 fname = get_next_name(&str);
1139
922a5be8 1140 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA		 1141 len = snprintf(target, tlen, "%s/%s.", fname,
1142 client_sockaddr_str);
1143 } else
1144 len = snprintf(target, tlen, "%s/", fname);
72a703da 1145
e13c3b50 1146 target[tlen - 1] = '\0';
bcbfeefa
CE		 1147 free(p);
1148
1149 return len;
1150}
1151
214e1eca
JA		 1152static int str_filename_cb(void *data, const char *input)
1153{
1154 struct thread_data *td = data;
1155 char *fname, *str, *p;
1156
1157 p = str = strdup(input);
1158
1159 strip_blank_front(&str);
1160 strip_blank_end(str);
1161
1162 if (!td->files_index)
2dc1bbeb 1163 td->o.nr_files = 0;
214e1eca 1164
bcbfeefa 1165 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 1166 if (!strlen(fname))
1167 break;
5903e7b7 1168 add_file(td, fname, 0, 1);
214e1eca
JA		 1169 }
1170
1171 free(p);
1172 return 0;
1173}
1174
bcbfeefa 1175static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA		 1176{
1177 struct thread_data *td = data;
1178 struct stat sb;
bcbfeefa
CE		 1179 char *dirname, *str, *p;
1180 int ret = 0;
214e1eca 1181
f9633d72
JA		 1182 if (parse_dryrun())
1183 return 0;
1184
bcbfeefa
CE		 1185 p = str = strdup(td->o.directory);
1186 while ((dirname = get_next_name(&str)) != NULL) {
1187 if (lstat(dirname, &sb) < 0) {
1188 ret = errno;
921c766f 1189
bcbfeefa
CE		 1190 log_err("fio: %s is not a directory\n", dirname);
1191 td_verror(td, ret, "lstat");
1192 goto out;
1193 }
1194 if (!S_ISDIR(sb.st_mode)) {
1195 log_err("fio: %s is not a directory\n", dirname);
1196 ret = 1;
1197 goto out;
1198 }
214e1eca
JA		 1199 }
1200
bcbfeefa
CE		 1201out:
1202 free(p);
1203 return ret;
214e1eca
JA		 1204}
1205
1206static int str_opendir_cb(void *data, const char fio_unused *str)
1207{
1208 struct thread_data *td = data;
1209
52c0cea3
JA		 1210 if (parse_dryrun())
1211 return 0;
1212
214e1eca 1213 if (!td->files_index)
2dc1bbeb 1214 td->o.nr_files = 0;
214e1eca 1215
2dc1bbeb 1216 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1217}
1218
ce35b1ec
JA		 1219static int str_buffer_pattern_cb(void *data, const char *input)
1220{
1221 struct thread_data *td = data;
1222 int ret;
1223
61b9861d
RP		 1224 /* FIXME: for now buffer pattern does not support formats */
1225 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1226 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1227 if (ret < 0)
1228 return 1;
ce35b1ec 1229
61b9861d
RP		 1230 assert(ret != 0);
1231 td->o.buffer_pattern_bytes = ret;
1232 if (!td->o.compress_percentage)
1233 td->o.refill_buffers = 0;
1234 td->o.scramble_buffers = 0;
1235 td->o.zero_buffers = 0;
efcd9dcc 1236
61b9861d 1237 return 0;
ce35b1ec
JA		 1238}
1239
bedc9dc2
JA		 1240static int str_buffer_compress_cb(void *data, unsigned long long *il)
1241{
1242 struct thread_data *td = data;
1243
1244 td->flags |= TD_F_COMPRESS;
1245 td->o.compress_percentage = *il;
1246 return 0;
1247}
1248
5c94b008
JA		 1249static int str_dedupe_cb(void *data, unsigned long long *il)
1250{
1251 struct thread_data *td = data;
1252
1253 td->flags |= TD_F_COMPRESS;
1254 td->o.dedupe_percentage = *il;
1255 td->o.refill_buffers = 1;
1256 return 0;
1257}
1258
ce35b1ec
JA		 1259static int str_verify_pattern_cb(void *data, const char *input)
1260{
1261 struct thread_data *td = data;
1262 int ret;
1263
61b9861d
RP		 1264 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1265 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA		 1266 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1267 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1268 if (ret < 0)
1269 return 1;
efcd9dcc 1270
61b9861d
RP		 1271 assert(ret != 0);
1272 td->o.verify_pattern_bytes = ret;
92bf48d5 1273 /*
b638d82f 1274 * VERIFY_* could already be set
92bf48d5 1275 */
61b9861d 1276 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1277 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1278
61b9861d 1279 return 0;
90059d65 1280}
214e1eca 1281
993bf48b
JA		 1282static int str_gtod_reduce_cb(void *data, int *il)
1283{
1284 struct thread_data *td = data;
1285 int val = *il;
1286
02af0988 1287 td->o.disable_lat = !!val;
993bf48b
JA		 1288 td->o.disable_clat = !!val;
1289 td->o.disable_slat = !!val;
1290 td->o.disable_bw = !!val;
0dc1bc03 1291 td->o.clat_percentiles = !val;
993bf48b
JA		 1292 if (val)
1293 td->tv_cache_mask = 63;
1294
1295 return 0;
1296}
1297
7bb59102
JA		 1298static int str_size_cb(void *data, unsigned long long *__val)
1299{
1300 struct thread_data *td = data;
1301 unsigned long long v = *__val;
1302
1303 if (parse_is_percent(v)) {
1304 td->o.size = 0;
1305 td->o.size_percent = -1ULL - v;
1306 } else
1307 td->o.size = v;
1308
1309 return 0;
1310}
1311
896cac2a
JA		 1312static int rw_verify(struct fio_option *o, void *data)
1313{
1314 struct thread_data *td = data;
1315
1316 if (read_only && td_write(td)) {
1317 log_err("fio: job <%s> has write bit set, but fio is in"
1318 " read-only mode\n", td->o.name);
1319 return 1;
1320 }
1321
1322 return 0;
1323}
1324
276ca4f7 1325static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1326{
276ca4f7 1327#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1328 struct thread_data *td = data;
1329
29d43ff9
JA		 1330 if (td->o.gtod_cpu) {
1331 log_err("fio: platform must support CPU affinity for"
1332 "gettimeofday() offloading\n");
1333 return 1;
1334 }
1335#endif
1336
1337 return 0;
1338}
1339
214e1eca
JA		 1340/*
1341 * Map of job/command line options
1342 */
9af4a244 1343struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1344 {
1345 .name = "description",
e8b0e958 1346 .lname = "Description of job",
214e1eca
JA		 1347 .type = FIO_OPT_STR_STORE,
1348 .off1 = td_var_offset(description),
1349 .help = "Text job description",
e8b0e958 1350 .category = FIO_OPT_C_GENERAL,
0626037e 1351 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1352 },
1353 {
1354 .name = "name",
e8b0e958 1355 .lname = "Job name",
214e1eca
JA		 1356 .type = FIO_OPT_STR_STORE,
1357 .off1 = td_var_offset(name),
1358 .help = "Name of this job",
e8b0e958 1359 .category = FIO_OPT_C_GENERAL,
0626037e 1360 .group = FIO_OPT_G_DESC,
214e1eca 1361 },
9cc8cb91
AK		 1362 {
1363 .name = "wait_for",
1364 .lname = "Waitee name",
1365 .type = FIO_OPT_STR_STORE,
1366 .off1 = td_var_offset(wait_for),
1367 .help = "Name of the job this one wants to wait for before starting",
1368 .category = FIO_OPT_C_GENERAL,
1369 .group = FIO_OPT_G_DESC,
1370 },
214e1eca
JA		 1371 {
1372 .name = "filename",
e8b0e958 1373 .lname = "Filename(s)",
214e1eca
JA		 1374 .type = FIO_OPT_STR_STORE,
1375 .off1 = td_var_offset(filename),
1376 .cb = str_filename_cb,
f0d524b0 1377 .prio = -1, /* must come after "directory" */
214e1eca 1378 .help = "File(s) to use for the workload",
e8b0e958 1379 .category = FIO_OPT_C_FILE,
0626037e 1380 .group = FIO_OPT_G_FILENAME,
214e1eca 1381 },
90fef2d1 1382 {
e8b0e958
JA		 1383 .name = "directory",
1384 .lname = "Directory",
1385 .type = FIO_OPT_STR_STORE,
1386 .off1 = td_var_offset(directory),
1387 .cb = str_directory_cb,
1388 .help = "Directory to store files in",
1389 .category = FIO_OPT_C_FILE,
0626037e 1390 .group = FIO_OPT_G_FILENAME,
90fef2d1 1391 },
de98bd30
JA		 1392 {
1393 .name = "filename_format",
922a5be8 1394 .lname = "Filename Format",
de98bd30
JA		 1395 .type = FIO_OPT_STR_STORE,
1396 .off1 = td_var_offset(filename_format),
1397 .prio = -1, /* must come after "directory" */
1398 .help = "Override default $jobname.$jobnum.$filenum naming",
1399 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1400 .category = FIO_OPT_C_FILE,
1401 .group = FIO_OPT_G_FILENAME,
ad705bcb 1402 },
922a5be8
JA		 1403 {
1404 .name = "unique_filename",
1405 .lname = "Unique Filename",
1406 .type = FIO_OPT_BOOL,
1407 .off1 = td_var_offset(unique_filename),
1408 .help = "For network clients, prefix file with source IP",
1409 .def = "1",
1410 .category = FIO_OPT_C_FILE,
1411 .group = FIO_OPT_G_FILENAME,
1412 },
29c1349f
JA		 1413 {
1414 .name = "lockfile",
e8b0e958 1415 .lname = "Lockfile",
4d4e80f2 1416 .type = FIO_OPT_STR,
4d4e80f2 1417 .off1 = td_var_offset(file_lock_mode),
29c1349f 1418 .help = "Lock file when doing IO to it",
bc6a0a5d 1419 .prio = 1,
29c1349f 1420 .parent = "filename",
d71c154c 1421 .hide = 0,
4d4e80f2 1422 .def = "none",
e8b0e958 1423 .category = FIO_OPT_C_FILE,
0626037e 1424 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1425 .posval = {
1426 { .ival = "none",
1427 .oval = FILE_LOCK_NONE,
1428 .help = "No file locking",
1429 },
1430 { .ival = "exclusive",
1431 .oval = FILE_LOCK_EXCLUSIVE,
1432 .help = "Exclusive file lock",
1433 },
1434 {
1435 .ival = "readwrite",
1436 .oval = FILE_LOCK_READWRITE,
1437 .help = "Read vs write lock",
1438 },
1439 },
29c1349f 1440 },
214e1eca
JA		 1441 {
1442 .name = "opendir",
e8b0e958 1443 .lname = "Open directory",
214e1eca
JA		 1444 .type = FIO_OPT_STR_STORE,
1445 .off1 = td_var_offset(opendir),
1446 .cb = str_opendir_cb,
1447 .help = "Recursively add files from this directory and down",
e8b0e958 1448 .category = FIO_OPT_C_FILE,
0626037e 1449 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1450 },
1451 {
1452 .name = "rw",
e8b0e958 1453 .lname = "Read/write",
d3aad8f2 1454 .alias = "readwrite",
214e1eca 1455 .type = FIO_OPT_STR,
211097b2 1456 .cb = str_rw_cb,
214e1eca
JA		 1457 .off1 = td_var_offset(td_ddir),
1458 .help = "IO direction",
1459 .def = "read",
896cac2a 1460 .verify = rw_verify,
e8b0e958 1461 .category = FIO_OPT_C_IO,
0626037e 1462 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1463 .posval = {
1464 { .ival = "read",
1465 .oval = TD_DDIR_READ,
1466 .help = "Sequential read",
1467 },
1468 { .ival = "write",
1469 .oval = TD_DDIR_WRITE,
1470 .help = "Sequential write",
1471 },
6eaf09d6
SL		 1472 { .ival = "trim",
1473 .oval = TD_DDIR_TRIM,
1474 .help = "Sequential trim",
1475 },
214e1eca
JA		 1476 { .ival = "randread",
1477 .oval = TD_DDIR_RANDREAD,
1478 .help = "Random read",
1479 },
1480 { .ival = "randwrite",
1481 .oval = TD_DDIR_RANDWRITE,
1482 .help = "Random write",
1483 },
6eaf09d6
SL		 1484 { .ival = "randtrim",
1485 .oval = TD_DDIR_RANDTRIM,
1486 .help = "Random trim",
1487 },
214e1eca
JA		 1488 { .ival = "rw",
1489 .oval = TD_DDIR_RW,
1490 .help = "Sequential read and write mix",
1491 },
10b023db
JA		 1492 { .ival = "readwrite",
1493 .oval = TD_DDIR_RW,
1494 .help = "Sequential read and write mix",
1495 },
214e1eca
JA		 1496 { .ival = "randrw",
1497 .oval = TD_DDIR_RANDRW,
1498 .help = "Random read and write mix"
1499 },
82a90686
JA		 1500 { .ival = "trimwrite",
1501 .oval = TD_DDIR_TRIMWRITE,
1502 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1503 },
214e1eca
JA		 1504 },
1505 },
38dad62d
JA		 1506 {
1507 .name = "rw_sequencer",
e8b0e958 1508 .lname = "RW Sequencer",
38dad62d
JA		 1509 .type = FIO_OPT_STR,
1510 .off1 = td_var_offset(rw_seq),
1511 .help = "IO offset generator modifier",
1512 .def = "sequential",
e8b0e958 1513 .category = FIO_OPT_C_IO,
0626037e 1514 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1515 .posval = {
1516 { .ival = "sequential",
1517 .oval = RW_SEQ_SEQ,
1518 .help = "Generate sequential offsets",
1519 },
1520 { .ival = "identical",
1521 .oval = RW_SEQ_IDENT,
1522 .help = "Generate identical offsets",
1523 },
1524 },
1525 },
1526
214e1eca
JA		 1527 {
1528 .name = "ioengine",
e8b0e958 1529 .lname = "IO Engine",
214e1eca
JA		 1530 .type = FIO_OPT_STR_STORE,
1531 .off1 = td_var_offset(ioengine),
1532 .help = "IO engine to use",
58483fa4 1533 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1534 .category = FIO_OPT_C_IO,
0626037e 1535 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1536 .posval = {
1537 { .ival = "sync",
1538 .help = "Use read/write",
1539 },
a31041ea 1540 { .ival = "psync",
1541 .help = "Use pread/pwrite",
1542 },
1d2af02a 1543 { .ival = "vsync",
03e20d68 1544 .help = "Use readv/writev",
1d2af02a 1545 },
07fc0acd
JA		 1546#ifdef CONFIG_PWRITEV
1547 { .ival = "pvsync",
1548 .help = "Use preadv/pwritev",
1549 },
1550#endif
6562685f 1551#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1552 { .ival = "pvsync2",
1553 .help = "Use preadv2/pwritev2",
1554 },
1555#endif
67bf9823 1556#ifdef CONFIG_LIBAIO
214e1eca
JA		 1557 { .ival = "libaio",
1558 .help = "Linux native asynchronous IO",
1559 },
1560#endif
67bf9823 1561#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1562 { .ival = "posixaio",
1563 .help = "POSIX asynchronous IO",
1564 },
417f0068 1565#endif
997843cb 1566#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1567 { .ival = "solarisaio",
1568 .help = "Solaris native asynchronous IO",
1569 },
214e1eca 1570#endif
4700b234 1571#ifdef CONFIG_WINDOWSAIO
03e20d68 1572 { .ival = "windowsaio",
3be80071 1573 .help = "Windows native asynchronous IO"
de890a1e 1574 },
fc5c0345
DG		 1575#endif
1576#ifdef CONFIG_RBD
1577 { .ival = "rbd",
1578 .help = "Rados Block Device asynchronous IO"
1579 },
3be80071 1580#endif
214e1eca 1581 { .ival = "mmap",
03e20d68 1582 .help = "Memory mapped IO"
214e1eca 1583 },
67bf9823 1584#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1585 { .ival = "splice",
1586 .help = "splice/vmsplice based IO",
1587 },
9cce02e8
JA		 1588 { .ival = "netsplice",
1589 .help = "splice/vmsplice to/from the network",
1590 },
214e1eca
JA		 1591#endif
1592#ifdef FIO_HAVE_SGIO
1593 { .ival = "sg",
1594 .help = "SCSI generic v3 IO",
1595 },
1596#endif
1597 { .ival = "null",
1598 .help = "Testing engine (no data transfer)",
1599 },
1600 { .ival = "net",
1601 .help = "Network IO",
1602 },
214e1eca 1603 { .ival = "cpuio",
03e20d68 1604 .help = "CPU cycle burner engine",
214e1eca 1605 },
67bf9823 1606#ifdef CONFIG_GUASI
b8c82a46
JA		 1607 { .ival = "guasi",
1608 .help = "GUASI IO engine",
1609 },
79a43187
JA		 1610#endif
1611#ifdef FIO_HAVE_BINJECT
1612 { .ival = "binject",
1613 .help = "binject direct inject block engine",
1614 },
21b8aee8 1615#endif
67bf9823 1616#ifdef CONFIG_RDMA
21b8aee8 1617 { .ival = "rdma",
1618 .help = "RDMA IO engine",
1619 },
8200b8c7 1620#endif
67bf9823 1621#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1622 { .ival = "fusion-aw-sync",
1623 .help = "Fusion-io atomic write engine",
1624 },
1ecc95ca 1625#endif
997843cb 1626#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1627 { .ival = "e4defrag",
1628 .help = "ext4 defrag engine",
1629 },
1630#endif
997843cb 1631#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1632 { .ival = "falloc",
1633 .help = "fallocate() file based engine",
1634 },
b8c82a46 1635#endif
a7c386f4 1636#ifdef CONFIG_GFAPI
1637 { .ival = "gfapi",
cc47f094 1638 .help = "Glusterfs libgfapi(sync) based engine"
1639 },
1640 { .ival = "gfapi_async",
1641 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1642 },
1643#endif
1b10477b 1644#ifdef CONFIG_LIBHDFS
b74e419e 1645 { .ival = "libhdfs",
1b10477b
MM		 1646 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1647 },
5c4ef02e
JA		 1648#endif
1649#ifdef CONFIG_PMEMBLK
1650 { .ival = "pmemblk",
1651 .help = "NVML libpmemblk based IO engine",
1652 },
1653
1b10477b 1654#endif
214e1eca
JA		 1655 { .ival = "external",
1656 .help = "Load external engine (append name)",
1657 },
1658 },
1659 },
1660 {
1661 .name = "iodepth",
e8b0e958 1662 .lname = "IO Depth",
214e1eca
JA		 1663 .type = FIO_OPT_INT,
1664 .off1 = td_var_offset(iodepth),
03e20d68 1665 .help = "Number of IO buffers to keep in flight",
757aff4f 1666 .minval = 1,
20eb06bd 1667 .interval = 1,
214e1eca 1668 .def = "1",
e8b0e958 1669 .category = FIO_OPT_C_IO,
0626037e 1670 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1671 },
1672 {
1673 .name = "iodepth_batch",
e8b0e958 1674 .lname = "IO Depth batch",
4950421a 1675 .alias = "iodepth_batch_submit",
214e1eca
JA		 1676 .type = FIO_OPT_INT,
1677 .off1 = td_var_offset(iodepth_batch),
d65db441 1678 .help = "Number of IO buffers to submit in one go",
afdf9352 1679 .parent = "iodepth",
d71c154c 1680 .hide = 1,
20eb06bd 1681 .interval = 1,
a2e6f8ac 1682 .def = "1",
e8b0e958 1683 .category = FIO_OPT_C_IO,
0626037e 1684 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1685 },
1686 {
82407585
RP		 1687 .name = "iodepth_batch_complete_min",
1688 .lname = "Min IO depth batch complete",
1689 .alias = "iodepth_batch_complete",
4950421a 1690 .type = FIO_OPT_INT,
82407585
RP		 1691 .off1 = td_var_offset(iodepth_batch_complete_min),
1692 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1693 .parent = "iodepth",
d71c154c 1694 .hide = 1,
4950421a 1695 .minval = 0,
20eb06bd 1696 .interval = 1,
4950421a 1697 .def = "1",
e8b0e958 1698 .category = FIO_OPT_C_IO,
0626037e 1699 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1700 },
82407585
RP		 1701 {
1702 .name = "iodepth_batch_complete_max",
1703 .lname = "Max IO depth batch complete",
1704 .type = FIO_OPT_INT,
1705 .off1 = td_var_offset(iodepth_batch_complete_max),
1706 .help = "Max number of IO buffers to retrieve in one go",
1707 .parent = "iodepth",
1708 .hide = 1,
1709 .minval = 0,
1710 .interval = 1,
1711 .category = FIO_OPT_C_IO,
1712 .group = FIO_OPT_G_IO_BASIC,
1713 },
214e1eca
JA		 1714 {
1715 .name = "iodepth_low",
e8b0e958 1716 .lname = "IO Depth batch low",
214e1eca
JA		 1717 .type = FIO_OPT_INT,
1718 .off1 = td_var_offset(iodepth_low),
1719 .help = "Low water mark for queuing depth",
afdf9352 1720 .parent = "iodepth",
d71c154c 1721 .hide = 1,
20eb06bd 1722 .interval = 1,
e8b0e958 1723 .category = FIO_OPT_C_IO,
0626037e 1724 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1725 },
a9da8ab2
JA		 1726 {
1727 .name = "io_submit_mode",
1728 .lname = "IO submit mode",
1729 .type = FIO_OPT_STR,
1730 .off1 = td_var_offset(io_submit_mode),
1731 .help = "How IO submissions and completions are done",
1732 .def = "inline",
1733 .category = FIO_OPT_C_IO,
1734 .group = FIO_OPT_G_IO_BASIC,
1735 .posval = {
1736 { .ival = "inline",
1737 .oval = IO_MODE_INLINE,
1738 .help = "Submit and complete IO inline",
1739 },
1740 { .ival = "offload",
1741 .oval = IO_MODE_OFFLOAD,
1742 .help = "Offload submit and complete to threads",
1743 },
1744 },
1745 },
214e1eca
JA		 1746 {
1747 .name = "size",
e8b0e958 1748 .lname = "Size",
214e1eca 1749 .type = FIO_OPT_STR_VAL,
7bb59102 1750 .cb = str_size_cb,
a8523a6a 1751 .off1 = td_var_offset(size),
214e1eca 1752 .help = "Total size of device or files",
20eb06bd 1753 .interval = 1024 * 1024,
e8b0e958
JA		 1754 .category = FIO_OPT_C_IO,
1755 .group = FIO_OPT_G_INVALID,
214e1eca 1756 },
77731b29 1757 {
a4d3b4db
JA		 1758 .name = "io_size",
1759 .alias = "io_limit",
1760 .lname = "IO Size",
77731b29
JA		 1761 .type = FIO_OPT_STR_VAL,
1762 .off1 = td_var_offset(io_limit),
1763 .interval = 1024 * 1024,
1764 .category = FIO_OPT_C_IO,
1765 .group = FIO_OPT_G_INVALID,
1766 },
aa31f1f1
SL		 1767 {
1768 .name = "fill_device",
e8b0e958 1769 .lname = "Fill device",
74586c1e 1770 .alias = "fill_fs",
aa31f1f1
SL		 1771 .type = FIO_OPT_BOOL,
1772 .off1 = td_var_offset(fill_device),
1773 .help = "Write until an ENOSPC error occurs",
1774 .def = "0",
e8b0e958
JA		 1775 .category = FIO_OPT_C_FILE,
1776 .group = FIO_OPT_G_INVALID,
aa31f1f1 1777 },
214e1eca
JA		 1778 {
1779 .name = "filesize",
e8b0e958 1780 .lname = "File size",
214e1eca
JA		 1781 .type = FIO_OPT_STR_VAL,
1782 .off1 = td_var_offset(file_size_low),
1783 .off2 = td_var_offset(file_size_high),
c3edbdba 1784 .minval = 1,
214e1eca 1785 .help = "Size of individual files",
20eb06bd 1786 .interval = 1024 * 1024,
e8b0e958
JA		 1787 .category = FIO_OPT_C_FILE,
1788 .group = FIO_OPT_G_INVALID,
214e1eca 1789 },
bedc9dc2
JA		 1790 {
1791 .name = "file_append",
1792 .lname = "File append",
1793 .type = FIO_OPT_BOOL,
1794 .off1 = td_var_offset(file_append),
1795 .help = "IO will start at the end of the file(s)",
1796 .def = "0",
1797 .category = FIO_OPT_C_FILE,
1798 .group = FIO_OPT_G_INVALID,
1799 },
67a1000f
JA		 1800 {
1801 .name = "offset",
e8b0e958 1802 .lname = "IO offset",
67a1000f
JA		 1803 .alias = "fileoffset",
1804 .type = FIO_OPT_STR_VAL,
1805 .off1 = td_var_offset(start_offset),
1806 .help = "Start IO from this offset",
1807 .def = "0",
20eb06bd 1808 .interval = 1024 * 1024,
e8b0e958
JA		 1809 .category = FIO_OPT_C_IO,
1810 .group = FIO_OPT_G_INVALID,
67a1000f 1811 },
2d7cd868
JA		 1812 {
1813 .name = "offset_increment",
e8b0e958 1814 .lname = "IO offset increment",
2d7cd868
JA		 1815 .type = FIO_OPT_STR_VAL,
1816 .off1 = td_var_offset(offset_increment),
1817 .help = "What is the increment from one offset to the next",
1818 .parent = "offset",
d71c154c 1819 .hide = 1,
2d7cd868 1820 .def = "0",
20eb06bd 1821 .interval = 1024 * 1024,
e8b0e958
JA		 1822 .category = FIO_OPT_C_IO,
1823 .group = FIO_OPT_G_INVALID,
2d7cd868 1824 },
ddf24e42
JA		 1825 {
1826 .name = "number_ios",
1827 .lname = "Number of IOs to perform",
1828 .type = FIO_OPT_STR_VAL,
1829 .off1 = td_var_offset(number_ios),
be3fec7d 1830 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1831 .def = "0",
1832 .category = FIO_OPT_C_IO,
1833 .group = FIO_OPT_G_INVALID,
1834 },
214e1eca
JA		 1835 {
1836 .name = "bs",
e8b0e958 1837 .lname = "Block size",
d3aad8f2 1838 .alias = "blocksize",
e01b22b8 1839 .type = FIO_OPT_INT,
214e1eca
JA		 1840 .off1 = td_var_offset(bs[DDIR_READ]),
1841 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1842 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1843 .minval = 1,
214e1eca
JA		 1844 .help = "Block size unit",
1845 .def = "4k",
67a1000f 1846 .parent = "rw",
d71c154c 1847 .hide = 1,
20eb06bd 1848 .interval = 512,
e8b0e958
JA		 1849 .category = FIO_OPT_C_IO,
1850 .group = FIO_OPT_G_INVALID,
214e1eca 1851 },
2b7a01d0
JA		 1852 {
1853 .name = "ba",
e8b0e958 1854 .lname = "Block size align",
2b7a01d0 1855 .alias = "blockalign",
e01b22b8 1856 .type = FIO_OPT_INT,
2b7a01d0
JA		 1857 .off1 = td_var_offset(ba[DDIR_READ]),
1858 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1859 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1860 .minval = 1,
1861 .help = "IO block offset alignment",
1862 .parent = "rw",
d71c154c 1863 .hide = 1,
20eb06bd 1864 .interval = 512,
e8b0e958
JA		 1865 .category = FIO_OPT_C_IO,
1866 .group = FIO_OPT_G_INVALID,
2b7a01d0 1867 },
214e1eca
JA		 1868 {
1869 .name = "bsrange",
e8b0e958 1870 .lname = "Block size range",
d3aad8f2 1871 .alias = "blocksize_range",
214e1eca
JA		 1872 .type = FIO_OPT_RANGE,
1873 .off1 = td_var_offset(min_bs[DDIR_READ]),
1874 .off2 = td_var_offset(max_bs[DDIR_READ]),
1875 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1876 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1877 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1878 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1879 .minval = 1,
214e1eca 1880 .help = "Set block size range (in more detail than bs)",
67a1000f 1881 .parent = "rw",
d71c154c 1882 .hide = 1,
20eb06bd 1883 .interval = 4096,
e8b0e958
JA		 1884 .category = FIO_OPT_C_IO,
1885 .group = FIO_OPT_G_INVALID,
214e1eca 1886 },
564ca972
JA		 1887 {
1888 .name = "bssplit",
e8b0e958 1889 .lname = "Block size split",
564ca972
JA		 1890 .type = FIO_OPT_STR,
1891 .cb = str_bssplit_cb,
a8523a6a 1892 .off1 = td_var_offset(bssplit),
564ca972
JA		 1893 .help = "Set a specific mix of block sizes",
1894 .parent = "rw",
d71c154c 1895 .hide = 1,
e8b0e958
JA		 1896 .category = FIO_OPT_C_IO,
1897 .group = FIO_OPT_G_INVALID,
564ca972 1898 },
214e1eca
JA		 1899 {
1900 .name = "bs_unaligned",
e8b0e958 1901 .lname = "Block size unaligned",
d3aad8f2 1902 .alias = "blocksize_unaligned",
214e1eca
JA		 1903 .type = FIO_OPT_STR_SET,
1904 .off1 = td_var_offset(bs_unaligned),
1905 .help = "Don't sector align IO buffer sizes",
67a1000f 1906 .parent = "rw",
d71c154c 1907 .hide = 1,
e8b0e958
JA		 1908 .category = FIO_OPT_C_IO,
1909 .group = FIO_OPT_G_INVALID,
214e1eca 1910 },
6aca9b3d
JA		 1911 {
1912 .name = "bs_is_seq_rand",
1913 .lname = "Block size division is seq/random (not read/write)",
1914 .type = FIO_OPT_BOOL,
1915 .off1 = td_var_offset(bs_is_seq_rand),
86d59660 1916 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 1917 .def = "0",
1918 .parent = "blocksize",
1919 .category = FIO_OPT_C_IO,
1920 .group = FIO_OPT_G_INVALID,
1921 },
214e1eca
JA		 1922 {
1923 .name = "randrepeat",
e8b0e958 1924 .lname = "Random repeatable",
214e1eca
JA		 1925 .type = FIO_OPT_BOOL,
1926 .off1 = td_var_offset(rand_repeatable),
1927 .help = "Use repeatable random IO pattern",
1928 .def = "1",
67a1000f 1929 .parent = "rw",
d71c154c 1930 .hide = 1,
e8b0e958 1931 .category = FIO_OPT_C_IO,
3ceb458f 1932 .group = FIO_OPT_G_RANDOM,
214e1eca 1933 },
04778baf
JA		 1934 {
1935 .name = "randseed",
1936 .lname = "The random generator seed",
363cffa7 1937 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1938 .off1 = td_var_offset(rand_seed),
1939 .help = "Set the random generator seed value",
40fe5e7b 1940 .def = "0x89",
04778baf
JA		 1941 .parent = "rw",
1942 .category = FIO_OPT_C_IO,
1943 .group = FIO_OPT_G_RANDOM,
1944 },
2615cc4b
JA		 1945 {
1946 .name = "use_os_rand",
e8b0e958 1947 .lname = "Use OS random",
54a21917
JA		 1948 .type = FIO_OPT_DEPRECATED,
1949 .off1 = td_var_offset(dep_use_os_rand),
e8b0e958 1950 .category = FIO_OPT_C_IO,
3ceb458f 1951 .group = FIO_OPT_G_RANDOM,
2615cc4b 1952 },
214e1eca
JA		 1953 {
1954 .name = "norandommap",
e8b0e958 1955 .lname = "No randommap",
214e1eca
JA		 1956 .type = FIO_OPT_STR_SET,
1957 .off1 = td_var_offset(norandommap),
1958 .help = "Accept potential duplicate random blocks",
67a1000f 1959 .parent = "rw",
d71c154c 1960 .hide = 1,
b2452a43 1961 .hide_on_set = 1,
e8b0e958 1962 .category = FIO_OPT_C_IO,
3ceb458f 1963 .group = FIO_OPT_G_RANDOM,
214e1eca 1964 },
2b386d25
JA		 1965 {
1966 .name = "softrandommap",
e8b0e958 1967 .lname = "Soft randommap",
2b386d25
JA		 1968 .type = FIO_OPT_BOOL,
1969 .off1 = td_var_offset(softrandommap),
f66ab3c8 1970 .help = "Set norandommap if randommap allocation fails",
2b386d25 1971 .parent = "norandommap",
d71c154c 1972 .hide = 1,
2b386d25 1973 .def = "0",
e8b0e958 1974 .category = FIO_OPT_C_IO,
3ceb458f 1975 .group = FIO_OPT_G_RANDOM,
2b386d25 1976 },
8055e41d
JA		 1977 {
1978 .name = "random_generator",
cce2fdfe 1979 .lname = "Random Generator",
8055e41d
JA		 1980 .type = FIO_OPT_STR,
1981 .off1 = td_var_offset(random_generator),
1982 .help = "Type of random number generator to use",
1983 .def = "tausworthe",
1984 .posval = {
1985 { .ival = "tausworthe",
1986 .oval = FIO_RAND_GEN_TAUSWORTHE,
1987 .help = "Strong Tausworthe generator",
1988 },
1989 { .ival = "lfsr",
1990 .oval = FIO_RAND_GEN_LFSR,
1991 .help = "Variable length LFSR",
1992 },
c3546b53
JA		 1993 {
1994 .ival = "tausworthe64",
1995 .oval = FIO_RAND_GEN_TAUSWORTHE64,
1996 .help = "64-bit Tausworthe variant",
1997 },
8055e41d 1998 },
48107598
JA		 1999 .category = FIO_OPT_C_IO,
2000 .group = FIO_OPT_G_RANDOM,
8055e41d 2001 },
e25839d4
JA		 2002 {
2003 .name = "random_distribution",
cce2fdfe 2004 .lname = "Random Distribution",
e25839d4
JA		 2005 .type = FIO_OPT_STR,
2006 .off1 = td_var_offset(random_distribution),
2007 .cb = str_random_distribution_cb,
2008 .help = "Random offset distribution generator",
2009 .def = "random",
2010 .posval = {
2011 { .ival = "random",
2012 .oval = FIO_RAND_DIST_RANDOM,
2013 .help = "Completely random",
2014 },
2015 { .ival = "zipf",
2016 .oval = FIO_RAND_DIST_ZIPF,
2017 .help = "Zipf distribution",
2018 },
925fee33
JA		 2019 { .ival = "pareto",
2020 .oval = FIO_RAND_DIST_PARETO,
2021 .help = "Pareto distribution",
2022 },
56d9fa4b
JA		 2023 { .ival = "normal",
2024 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2025 .help = "Normal (Gaussian) distribution",
56d9fa4b 2026 },
e0a04ac1
JA		 2027 { .ival = "zoned",
2028 .oval = FIO_RAND_DIST_ZONED,
2029 .help = "Zoned random distribution",
2030 },
2031
e25839d4 2032 },
48107598
JA		 2033 .category = FIO_OPT_C_IO,
2034 .group = FIO_OPT_G_RANDOM,
e25839d4 2035 },
211c9b89
JA		 2036 {
2037 .name = "percentage_random",
2038 .lname = "Percentage Random",
2039 .type = FIO_OPT_INT,
d9472271
JA		 2040 .off1 = td_var_offset(perc_rand[DDIR_READ]),
2041 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
2042 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 2043 .maxval = 100,
2044 .help = "Percentage of seq/random mix that should be random",
d9472271 2045 .def = "100,100,100",
211c9b89
JA		 2046 .interval = 5,
2047 .inverse = "percentage_sequential",
2048 .category = FIO_OPT_C_IO,
2049 .group = FIO_OPT_G_RANDOM,
2050 },
2051 {
2052 .name = "percentage_sequential",
2053 .lname = "Percentage Sequential",
d9472271 2054 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2055 .category = FIO_OPT_C_IO,
2056 .group = FIO_OPT_G_RANDOM,
2057 },
56e2a5fc
CE		 2058 {
2059 .name = "allrandrepeat",
cce2fdfe 2060 .lname = "All Random Repeat",
56e2a5fc
CE		 2061 .type = FIO_OPT_BOOL,
2062 .off1 = td_var_offset(allrand_repeatable),
2063 .help = "Use repeatable random numbers for everything",
2064 .def = "0",
a869d9c6
JA		 2065 .category = FIO_OPT_C_IO,
2066 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2067 },
214e1eca
JA		 2068 {
2069 .name = "nrfiles",
e8b0e958 2070 .lname = "Number of files",
d7c8be03 2071 .alias = "nr_files",
214e1eca
JA		 2072 .type = FIO_OPT_INT,
2073 .off1 = td_var_offset(nr_files),
2074 .help = "Split job workload between this number of files",
2075 .def = "1",
20eb06bd 2076 .interval = 1,
e8b0e958
JA		 2077 .category = FIO_OPT_C_FILE,
2078 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2079 },
2080 {
2081 .name = "openfiles",
e8b0e958 2082 .lname = "Number of open files",
214e1eca
JA		 2083 .type = FIO_OPT_INT,
2084 .off1 = td_var_offset(open_files),
2085 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2086 .category = FIO_OPT_C_FILE,
2087 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2088 },
2089 {
2090 .name = "file_service_type",
e8b0e958 2091 .lname = "File service type",
214e1eca
JA		 2092 .type = FIO_OPT_STR,
2093 .cb = str_fst_cb,
2094 .off1 = td_var_offset(file_service_type),
2095 .help = "How to select which file to service next",
2096 .def = "roundrobin",
e8b0e958
JA		 2097 .category = FIO_OPT_C_FILE,
2098 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2099 .posval = {
2100 { .ival = "random",
2101 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2102 .help = "Choose a file at random (uniform)",
2103 },
2104 { .ival = "zipf",
2105 .oval = FIO_FSERVICE_ZIPF,
2106 .help = "Zipf randomized",
2107 },
2108 { .ival = "pareto",
2109 .oval = FIO_FSERVICE_PARETO,
2110 .help = "Pareto randomized",
2111 },
2112 { .ival = "gauss",
2113 .oval = FIO_FSERVICE_GAUSS,
2114 .help = "Normal (guassian) distribution",
214e1eca
JA		 2115 },
2116 { .ival = "roundrobin",
2117 .oval = FIO_FSERVICE_RR,
2118 .help = "Round robin select files",
2119 },
a086c257
JA		 2120 { .ival = "sequential",
2121 .oval = FIO_FSERVICE_SEQ,
2122 .help = "Finish one file before moving to the next",
2123 },
214e1eca 2124 },
67a1000f 2125 .parent = "nrfiles",
d71c154c 2126 .hide = 1,
67a1000f 2127 },
97ac992c 2128#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2129 {
2130 .name = "fallocate",
e8b0e958 2131 .lname = "Fallocate",
a596f047
EG		 2132 .type = FIO_OPT_STR,
2133 .off1 = td_var_offset(fallocate_mode),
2134 .help = "Whether pre-allocation is performed when laying out files",
2135 .def = "posix",
e8b0e958
JA		 2136 .category = FIO_OPT_C_FILE,
2137 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2138 .posval = {
2139 { .ival = "none",
2140 .oval = FIO_FALLOCATE_NONE,
2141 .help = "Do not pre-allocate space",
2142 },
2143 { .ival = "posix",
2144 .oval = FIO_FALLOCATE_POSIX,
2145 .help = "Use posix_fallocate()",
2146 },
97ac992c 2147#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2148 { .ival = "keep",
2149 .oval = FIO_FALLOCATE_KEEP_SIZE,
2150 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2151 },
7bc8c2cf 2152#endif
a596f047
EG		 2153 /* Compatibility with former boolean values */
2154 { .ival = "0",
2155 .oval = FIO_FALLOCATE_NONE,
2156 .help = "Alias for 'none'",
2157 },
2158 { .ival = "1",
2159 .oval = FIO_FALLOCATE_POSIX,
2160 .help = "Alias for 'posix'",
2161 },
2162 },
2163 },
a275c37a
JA		 2164#else /* CONFIG_POSIX_FALLOCATE */
2165 {
2166 .name = "fallocate",
2167 .lname = "Fallocate",
2168 .type = FIO_OPT_UNSUPPORTED,
2169 .help = "Your platform does not support fallocate",
2170 },
2171#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2172 {
2173 .name = "fadvise_hint",
e8b0e958 2174 .lname = "Fadvise hint",
67a1000f
JA		 2175 .type = FIO_OPT_BOOL,
2176 .off1 = td_var_offset(fadvise_hint),
2177 .help = "Use fadvise() to advise the kernel on IO pattern",
2178 .def = "1",
e8b0e958
JA		 2179 .category = FIO_OPT_C_FILE,
2180 .group = FIO_OPT_G_INVALID,
214e1eca 2181 },
37659335
JA		 2182#ifdef FIO_HAVE_STREAMID
2183 {
2184 .name = "fadvise_stream",
2185 .lname = "Fadvise stream",
2186 .type = FIO_OPT_INT,
2187 .off1 = td_var_offset(fadvise_stream),
2188 .help = "Use fadvise() to set stream ID",
2189 .category = FIO_OPT_C_FILE,
2190 .group = FIO_OPT_G_INVALID,
2191 },
a275c37a 2192#else
54d0a315 2193 {
a275c37a
JA		 2194 .name = "fadvise_stream",
2195 .lname = "Fadvise stream",
2196 .type = FIO_OPT_UNSUPPORTED,
2197 .help = "Your platform does not support fadvise stream ID",
2198 },
37659335 2199#endif
214e1eca
JA		 2200 {
2201 .name = "fsync",
e8b0e958 2202 .lname = "Fsync",
214e1eca
JA		 2203 .type = FIO_OPT_INT,
2204 .off1 = td_var_offset(fsync_blocks),
2205 .help = "Issue fsync for writes every given number of blocks",
2206 .def = "0",
20eb06bd 2207 .interval = 1,
e8b0e958
JA		 2208 .category = FIO_OPT_C_FILE,
2209 .group = FIO_OPT_G_INVALID,
214e1eca 2210 },
5f9099ea
JA		 2211 {
2212 .name = "fdatasync",
e8b0e958 2213 .lname = "Fdatasync",
5f9099ea
JA		 2214 .type = FIO_OPT_INT,
2215 .off1 = td_var_offset(fdatasync_blocks),
2216 .help = "Issue fdatasync for writes every given number of blocks",
2217 .def = "0",
20eb06bd 2218 .interval = 1,
e8b0e958
JA		 2219 .category = FIO_OPT_C_FILE,
2220 .group = FIO_OPT_G_INVALID,
5f9099ea 2221 },
1ef2b6be
JA		 2222 {
2223 .name = "write_barrier",
e8b0e958 2224 .lname = "Write barrier",
1ef2b6be
JA		 2225 .type = FIO_OPT_INT,
2226 .off1 = td_var_offset(barrier_blocks),
2227 .help = "Make every Nth write a barrier write",
2228 .def = "0",
20eb06bd 2229 .interval = 1,
e8b0e958
JA		 2230 .category = FIO_OPT_C_IO,
2231 .group = FIO_OPT_G_INVALID,
1ef2b6be 2232 },
67bf9823 2233#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2234 {
2235 .name = "sync_file_range",
e8b0e958 2236 .lname = "Sync file range",
44f29692
JA		 2237 .posval = {
2238 { .ival = "wait_before",
2239 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2240 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2241 .orval = 1,
44f29692
JA		 2242 },
2243 { .ival = "write",
2244 .oval = SYNC_FILE_RANGE_WRITE,
2245 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2246 .orval = 1,
44f29692
JA		 2247 },
2248 {
2249 .ival = "wait_after",
2250 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2251 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2252 .orval = 1,
44f29692
JA		 2253 },
2254 },
3843deb3 2255 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2256 .cb = str_sfr_cb,
2257 .off1 = td_var_offset(sync_file_range),
2258 .help = "Use sync_file_range()",
e8b0e958
JA		 2259 .category = FIO_OPT_C_FILE,
2260 .group = FIO_OPT_G_INVALID,
44f29692 2261 },
a275c37a 2262#else
54d0a315 2263 {
a275c37a
JA		 2264 .name = "sync_file_range",
2265 .lname = "Sync file range",
2266 .type = FIO_OPT_UNSUPPORTED,
2267 .help = "Your platform does not support sync_file_range",
2268 },
44f29692 2269#endif
214e1eca
JA		 2270 {
2271 .name = "direct",
e8b0e958 2272 .lname = "Direct I/O",
214e1eca
JA		 2273 .type = FIO_OPT_BOOL,
2274 .off1 = td_var_offset(odirect),
2275 .help = "Use O_DIRECT IO (negates buffered)",
2276 .def = "0",
a01a1bc5 2277 .inverse = "buffered",
e8b0e958 2278 .category = FIO_OPT_C_IO,
3ceb458f 2279 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2280 },
d01612f3
CM		 2281 {
2282 .name = "atomic",
2283 .lname = "Atomic I/O",
2284 .type = FIO_OPT_BOOL,
2285 .off1 = td_var_offset(oatomic),
2286 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2287 .def = "0",
2288 .category = FIO_OPT_C_IO,
2289 .group = FIO_OPT_G_IO_TYPE,
2290 },
214e1eca
JA		 2291 {
2292 .name = "buffered",
e8b0e958 2293 .lname = "Buffered I/O",
214e1eca
JA		 2294 .type = FIO_OPT_BOOL,
2295 .off1 = td_var_offset(odirect),
2296 .neg = 1,
2297 .help = "Use buffered IO (negates direct)",
2298 .def = "1",
a01a1bc5 2299 .inverse = "direct",
e8b0e958 2300 .category = FIO_OPT_C_IO,
3ceb458f 2301 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2302 },
2303 {
2304 .name = "overwrite",
e8b0e958 2305 .lname = "Overwrite",
214e1eca
JA		 2306 .type = FIO_OPT_BOOL,
2307 .off1 = td_var_offset(overwrite),
2308 .help = "When writing, set whether to overwrite current data",
2309 .def = "0",
e8b0e958
JA		 2310 .category = FIO_OPT_C_FILE,
2311 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2312 },
2313 {
2314 .name = "loops",
e8b0e958 2315 .lname = "Loops",
214e1eca
JA		 2316 .type = FIO_OPT_INT,
2317 .off1 = td_var_offset(loops),
2318 .help = "Number of times to run the job",
2319 .def = "1",
20eb06bd 2320 .interval = 1,
e8b0e958 2321 .category = FIO_OPT_C_GENERAL,
a1f6afec 2322 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2323 },
2324 {
2325 .name = "numjobs",
e8b0e958 2326 .lname = "Number of jobs",
214e1eca
JA		 2327 .type = FIO_OPT_INT,
2328 .off1 = td_var_offset(numjobs),
2329 .help = "Duplicate this job this many times",
2330 .def = "1",
20eb06bd 2331 .interval = 1,
e8b0e958 2332 .category = FIO_OPT_C_GENERAL,
a1f6afec 2333 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2334 },
2335 {
2336 .name = "startdelay",
e8b0e958 2337 .lname = "Start delay",
a5737c93 2338 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2339 .off1 = td_var_offset(start_delay),
23ed19b0 2340 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2341 .help = "Only start job when this period has passed",
2342 .def = "0",
0de5b26f 2343 .is_seconds = 1,
88038bc7 2344 .is_time = 1,
e8b0e958 2345 .category = FIO_OPT_C_GENERAL,
a1f6afec 2346 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2347 },
2348 {
2349 .name = "runtime",
e8b0e958 2350 .lname = "Runtime",
214e1eca
JA		 2351 .alias = "timeout",
2352 .type = FIO_OPT_STR_VAL_TIME,
2353 .off1 = td_var_offset(timeout),
2354 .help = "Stop workload when this amount of time has passed",
2355 .def = "0",
0de5b26f 2356 .is_seconds = 1,
88038bc7 2357 .is_time = 1,
e8b0e958 2358 .category = FIO_OPT_C_GENERAL,
a1f6afec 2359 .group = FIO_OPT_G_RUNTIME,
214e1eca 2360 },
cf4464ca
JA		 2361 {
2362 .name = "time_based",
e8b0e958 2363 .lname = "Time based",
cf4464ca
JA		 2364 .type = FIO_OPT_STR_SET,
2365 .off1 = td_var_offset(time_based),
2366 .help = "Keep running until runtime/timeout is met",
e8b0e958 2367 .category = FIO_OPT_C_GENERAL,
a1f6afec 2368 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2369 },
62167762
JC		 2370 {
2371 .name = "verify_only",
2372 .lname = "Verify only",
2373 .type = FIO_OPT_STR_SET,
2374 .off1 = td_var_offset(verify_only),
2375 .help = "Verifies previously written data is still valid",
2376 .category = FIO_OPT_C_GENERAL,
2377 .group = FIO_OPT_G_RUNTIME,
2378 },
721938ae
JA		 2379 {
2380 .name = "ramp_time",
e8b0e958 2381 .lname = "Ramp time",
721938ae
JA		 2382 .type = FIO_OPT_STR_VAL_TIME,
2383 .off1 = td_var_offset(ramp_time),
2384 .help = "Ramp up time before measuring performance",
0de5b26f 2385 .is_seconds = 1,
88038bc7 2386 .is_time = 1,
e8b0e958 2387 .category = FIO_OPT_C_GENERAL,
a1f6afec 2388 .group = FIO_OPT_G_RUNTIME,
721938ae 2389 },
c223da83
JA		 2390 {
2391 .name = "clocksource",
e8b0e958 2392 .lname = "Clock source",
c223da83
JA		 2393 .type = FIO_OPT_STR,
2394 .cb = fio_clock_source_cb,
2395 .off1 = td_var_offset(clocksource),
2396 .help = "What type of timing source to use",
e8b0e958 2397 .category = FIO_OPT_C_GENERAL,
10860056 2398 .group = FIO_OPT_G_CLOCK,
c223da83 2399 .posval = {
67bf9823 2400#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2401 { .ival = "gettimeofday",
2402 .oval = CS_GTOD,
2403 .help = "Use gettimeofday(2) for timing",
2404 },
67bf9823
JA		 2405#endif
2406#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2407 { .ival = "clock_gettime",
2408 .oval = CS_CGETTIME,
2409 .help = "Use clock_gettime(2) for timing",
2410 },
67bf9823 2411#endif
c223da83
JA		 2412#ifdef ARCH_HAVE_CPU_CLOCK
2413 { .ival = "cpu",
2414 .oval = CS_CPUCLOCK,
2415 .help = "Use CPU private clock",
2416 },
2417#endif
2418 },
2419 },
214e1eca
JA		 2420 {
2421 .name = "mem",
d3aad8f2 2422 .alias = "iomem",
e8b0e958 2423 .lname = "I/O Memory",
214e1eca
JA		 2424 .type = FIO_OPT_STR,
2425 .cb = str_mem_cb,
2426 .off1 = td_var_offset(mem_type),
2427 .help = "Backing type for IO buffers",
2428 .def = "malloc",
e8b0e958
JA		 2429 .category = FIO_OPT_C_IO,
2430 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2431 .posval = {
2432 { .ival = "malloc",
2433 .oval = MEM_MALLOC,
2434 .help = "Use malloc(3) for IO buffers",
2435 },
c8931876 2436#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2437 { .ival = "shm",
2438 .oval = MEM_SHM,
2439 .help = "Use shared memory segments for IO buffers",
2440 },
214e1eca
JA		 2441#ifdef FIO_HAVE_HUGETLB
2442 { .ival = "shmhuge",
2443 .oval = MEM_SHMHUGE,
2444 .help = "Like shm, but use huge pages",
2445 },
c8931876 2446#endif
b370e46a 2447#endif
37c8cdfe
JA		 2448 { .ival = "mmap",
2449 .oval = MEM_MMAP,
2450 .help = "Use mmap(2) (file or anon) for IO buffers",
2451 },
217b0f1d
LG		 2452 { .ival = "mmapshared",
2453 .oval = MEM_MMAPSHARED,
2454 .help = "Like mmap, but use the shared flag",
2455 },
214e1eca
JA		 2456#ifdef FIO_HAVE_HUGETLB
2457 { .ival = "mmaphuge",
2458 .oval = MEM_MMAPHUGE,
2459 .help = "Like mmap, but use huge pages",
2460 },
2461#endif
2462 },
2463 },
d529ee19
JA		 2464 {
2465 .name = "iomem_align",
2466 .alias = "mem_align",
e8b0e958 2467 .lname = "I/O memory alignment",
d529ee19
JA		 2468 .type = FIO_OPT_INT,
2469 .off1 = td_var_offset(mem_align),
2470 .minval = 0,
2471 .help = "IO memory buffer offset alignment",
2472 .def = "0",
2473 .parent = "iomem",
d71c154c 2474 .hide = 1,
e8b0e958
JA		 2475 .category = FIO_OPT_C_IO,
2476 .group = FIO_OPT_G_INVALID,
d529ee19 2477 },
214e1eca
JA		 2478 {
2479 .name = "verify",
e8b0e958 2480 .lname = "Verify",
214e1eca
JA		 2481 .type = FIO_OPT_STR,
2482 .off1 = td_var_offset(verify),
2483 .help = "Verify data written",
2484 .def = "0",
e8b0e958 2485 .category = FIO_OPT_C_IO,
3ceb458f 2486 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2487 .posval = {
2488 { .ival = "0",
2489 .oval = VERIFY_NONE,
2490 .help = "Don't do IO verification",
2491 },
fcca4b58
JA		 2492 { .ival = "md5",
2493 .oval = VERIFY_MD5,
2494 .help = "Use md5 checksums for verification",
2495 },
d77a7af3
JA		 2496 { .ival = "crc64",
2497 .oval = VERIFY_CRC64,
2498 .help = "Use crc64 checksums for verification",
2499 },
214e1eca
JA		 2500 { .ival = "crc32",
2501 .oval = VERIFY_CRC32,
2502 .help = "Use crc32 checksums for verification",
2503 },
af497e6a 2504 { .ival = "crc32c-intel",
e3aaafc4
JA		 2505 .oval = VERIFY_CRC32C,
2506 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2507 },
bac39e0e
JA		 2508 { .ival = "crc32c",
2509 .oval = VERIFY_CRC32C,
e3aaafc4 2510 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2511 },
969f7ed3
JA		 2512 { .ival = "crc16",
2513 .oval = VERIFY_CRC16,
2514 .help = "Use crc16 checksums for verification",
2515 },
1e154bdb
JA		 2516 { .ival = "crc7",
2517 .oval = VERIFY_CRC7,
2518 .help = "Use crc7 checksums for verification",
2519 },
7c353ceb
JA		 2520 { .ival = "sha1",
2521 .oval = VERIFY_SHA1,
2522 .help = "Use sha1 checksums for verification",
2523 },
cd14cc10
JA		 2524 { .ival = "sha256",
2525 .oval = VERIFY_SHA256,
2526 .help = "Use sha256 checksums for verification",
2527 },
2528 { .ival = "sha512",
2529 .oval = VERIFY_SHA512,
2530 .help = "Use sha512 checksums for verification",
2531 },
844ea602
JA		 2532 { .ival = "xxhash",
2533 .oval = VERIFY_XXHASH,
2534 .help = "Use xxhash checksums for verification",
2535 },
b638d82f
RP		 2536 /* Meta information was included into verify_header,
2537 * 'meta' verification is implied by default. */
7437ee87 2538 { .ival = "meta",
b638d82f
RP		 2539 .oval = VERIFY_HDR_ONLY,
2540 .help = "Use io information for verification. "
2541 "Now is implied by default, thus option is obsolete, "
2542 "don't use it",
7437ee87 2543 },
59245381
JA		 2544 { .ival = "pattern",
2545 .oval = VERIFY_PATTERN_NO_HDR,
2546 .help = "Verify strict pattern",
2547 },
36690c9b
JA		 2548 {
2549 .ival = "null",
2550 .oval = VERIFY_NULL,
2551 .help = "Pretend to verify",
2552 },
214e1eca
JA		 2553 },
2554 },
005c565a
JA		 2555 {
2556 .name = "do_verify",
e8b0e958 2557 .lname = "Perform verify step",
68e1f29a 2558 .type = FIO_OPT_BOOL,
005c565a
JA		 2559 .off1 = td_var_offset(do_verify),
2560 .help = "Run verification stage after write",
2561 .def = "1",
2562 .parent = "verify",
d71c154c 2563 .hide = 1,
e8b0e958
JA		 2564 .category = FIO_OPT_C_IO,
2565 .group = FIO_OPT_G_VERIFY,
005c565a 2566 },
160b966d
JA		 2567 {
2568 .name = "verifysort",
e8b0e958 2569 .lname = "Verify sort",
160b966d
JA		 2570 .type = FIO_OPT_BOOL,
2571 .off1 = td_var_offset(verifysort),
2572 .help = "Sort written verify blocks for read back",
2573 .def = "1",
c83f2df1 2574 .parent = "verify",
d71c154c 2575 .hide = 1,
e8b0e958
JA		 2576 .category = FIO_OPT_C_IO,
2577 .group = FIO_OPT_G_VERIFY,
160b966d 2578 },
1ae83d45
JA		 2579 {
2580 .name = "verifysort_nr",
cce2fdfe 2581 .lname = "Verify Sort Nr",
1ae83d45
JA		 2582 .type = FIO_OPT_INT,
2583 .off1 = td_var_offset(verifysort_nr),
2584 .help = "Pre-load and sort verify blocks for a read workload",
2585 .minval = 0,
2586 .maxval = 131072,
2587 .def = "1024",
2588 .parent = "verify",
836fcc0f
JA		 2589 .category = FIO_OPT_C_IO,
2590 .group = FIO_OPT_G_VERIFY,
1ae83d45 2591 },
3f9f4e26 2592 {
a59e170d 2593 .name = "verify_interval",
e8b0e958 2594 .lname = "Verify interval",
e01b22b8 2595 .type = FIO_OPT_INT,
a59e170d 2596 .off1 = td_var_offset(verify_interval),
819a9680 2597 .minval = 2 * sizeof(struct verify_header),
a59e170d 2598 .help = "Store verify buffer header every N bytes",
afdf9352 2599 .parent = "verify",
d71c154c 2600 .hide = 1,
20eb06bd 2601 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2602 .category = FIO_OPT_C_IO,
2603 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2604 },
546a9142 2605 {
a59e170d 2606 .name = "verify_offset",
e8b0e958 2607 .lname = "Verify offset",
e01b22b8 2608 .type = FIO_OPT_INT,
a59e170d 2609 .help = "Offset verify header location by N bytes",
203160d5
JA		 2610 .off1 = td_var_offset(verify_offset),
2611 .minval = sizeof(struct verify_header),
afdf9352 2612 .parent = "verify",
d71c154c 2613 .hide = 1,
e8b0e958
JA		 2614 .category = FIO_OPT_C_IO,
2615 .group = FIO_OPT_G_VERIFY,
546a9142 2616 },
e28218f3
SL		 2617 {
2618 .name = "verify_pattern",
e8b0e958 2619 .lname = "Verify pattern",
0e92f873 2620 .type = FIO_OPT_STR,
e28218f3 2621 .cb = str_verify_pattern_cb,
a8523a6a 2622 .off1 = td_var_offset(verify_pattern),
e28218f3
SL		 2623 .help = "Fill pattern for IO buffers",
2624 .parent = "verify",
d71c154c 2625 .hide = 1,
e8b0e958
JA		 2626 .category = FIO_OPT_C_IO,
2627 .group = FIO_OPT_G_VERIFY,
e28218f3 2628 },
a12a3b4d
JA		 2629 {
2630 .name = "verify_fatal",
e8b0e958 2631 .lname = "Verify fatal",
68e1f29a 2632 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2633 .off1 = td_var_offset(verify_fatal),
2634 .def = "0",
2635 .help = "Exit on a single verify failure, don't continue",
2636 .parent = "verify",
d71c154c 2637 .hide = 1,
e8b0e958
JA		 2638 .category = FIO_OPT_C_IO,
2639 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2640 },
b463e936
JA		 2641 {
2642 .name = "verify_dump",
e8b0e958 2643 .lname = "Verify dump",
b463e936
JA		 2644 .type = FIO_OPT_BOOL,
2645 .off1 = td_var_offset(verify_dump),
ef71e317 2646 .def = "0",
b463e936
JA		 2647 .help = "Dump contents of good and bad blocks on failure",
2648 .parent = "verify",
d71c154c 2649 .hide = 1,
e8b0e958
JA		 2650 .category = FIO_OPT_C_IO,
2651 .group = FIO_OPT_G_VERIFY,
b463e936 2652 },
e8462bd8
JA		 2653 {
2654 .name = "verify_async",
e8b0e958 2655 .lname = "Verify asynchronously",
e8462bd8
JA		 2656 .type = FIO_OPT_INT,
2657 .off1 = td_var_offset(verify_async),
2658 .def = "0",
2659 .help = "Number of async verifier threads to use",
2660 .parent = "verify",
d71c154c 2661 .hide = 1,
e8b0e958
JA		 2662 .category = FIO_OPT_C_IO,
2663 .group = FIO_OPT_G_VERIFY,
e8462bd8 2664 },
9e144189
JA		 2665 {
2666 .name = "verify_backlog",
e8b0e958 2667 .lname = "Verify backlog",
9e144189
JA		 2668 .type = FIO_OPT_STR_VAL,
2669 .off1 = td_var_offset(verify_backlog),
2670 .help = "Verify after this number of blocks are written",
2671 .parent = "verify",
d71c154c 2672 .hide = 1,
e8b0e958
JA		 2673 .category = FIO_OPT_C_IO,
2674 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2675 },
2676 {
2677 .name = "verify_backlog_batch",
e8b0e958 2678 .lname = "Verify backlog batch",
9e144189
JA		 2679 .type = FIO_OPT_INT,
2680 .off1 = td_var_offset(verify_batch),
2681 .help = "Verify this number of IO blocks",
0d29de83 2682 .parent = "verify",
d71c154c 2683 .hide = 1,
e8b0e958
JA		 2684 .category = FIO_OPT_C_IO,
2685 .group = FIO_OPT_G_VERIFY,
9e144189 2686 },
e8462bd8
JA		 2687#ifdef FIO_HAVE_CPU_AFFINITY
2688 {
2689 .name = "verify_async_cpus",
e8b0e958 2690 .lname = "Async verify CPUs",
e8462bd8
JA		 2691 .type = FIO_OPT_STR,
2692 .cb = str_verify_cpus_allowed_cb,
a8523a6a 2693 .off1 = td_var_offset(verify_cpumask),
e8462bd8
JA		 2694 .help = "Set CPUs allowed for async verify threads",
2695 .parent = "verify_async",
d71c154c 2696 .hide = 1,
e8b0e958
JA		 2697 .category = FIO_OPT_C_IO,
2698 .group = FIO_OPT_G_VERIFY,
e8462bd8 2699 },
a275c37a
JA		 2700#else
2701 {
2702 .name = "verify_async_cpus",
2703 .lname = "Async verify CPUs",
2704 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2705 .help = "Your platform does not support CPU affinities",
a275c37a 2706 },
0d29de83 2707#endif
51aa2da8
JA		 2708 {
2709 .name = "experimental_verify",
cce2fdfe 2710 .lname = "Experimental Verify",
51aa2da8
JA		 2711 .off1 = td_var_offset(experimental_verify),
2712 .type = FIO_OPT_BOOL,
b31eaac9 2713 .help = "Enable experimental verification",
ca09be4b
JA		 2714 .parent = "verify",
2715 .category = FIO_OPT_C_IO,
2716 .group = FIO_OPT_G_VERIFY,
2717 },
2718 {
2719 .name = "verify_state_load",
2720 .lname = "Load verify state",
2721 .off1 = td_var_offset(verify_state),
2722 .type = FIO_OPT_BOOL,
2723 .help = "Load verify termination state",
2724 .parent = "verify",
2725 .category = FIO_OPT_C_IO,
2726 .group = FIO_OPT_G_VERIFY,
2727 },
2728 {
2729 .name = "verify_state_save",
2730 .lname = "Save verify state",
2731 .off1 = td_var_offset(verify_state_save),
2732 .type = FIO_OPT_BOOL,
2733 .def = "1",
2734 .help = "Save verify state on termination",
2735 .parent = "verify",
836fcc0f
JA		 2736 .category = FIO_OPT_C_IO,
2737 .group = FIO_OPT_G_VERIFY,
51aa2da8 2738 },
0d29de83
JA		 2739#ifdef FIO_HAVE_TRIM
2740 {
2741 .name = "trim_percentage",
e8b0e958 2742 .lname = "Trim percentage",
0d29de83 2743 .type = FIO_OPT_INT,
203160d5 2744 .off1 = td_var_offset(trim_percentage),
20eb06bd 2745 .minval = 0,
0d29de83
JA		 2746 .maxval = 100,
2747 .help = "Number of verify blocks to discard/trim",
2748 .parent = "verify",
2749 .def = "0",
20eb06bd 2750 .interval = 1,
d71c154c 2751 .hide = 1,
e8b0e958
JA		 2752 .category = FIO_OPT_C_IO,
2753 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2754 },
2755 {
2756 .name = "trim_verify_zero",
e8b0e958 2757 .lname = "Verify trim zero",
20eb06bd 2758 .type = FIO_OPT_BOOL,
0d29de83
JA		 2759 .help = "Verify that trim/discarded blocks are returned as zeroes",
2760 .off1 = td_var_offset(trim_zero),
2761 .parent = "trim_percentage",
d71c154c 2762 .hide = 1,
0d29de83 2763 .def = "1",
e8b0e958
JA		 2764 .category = FIO_OPT_C_IO,
2765 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2766 },
2767 {
2768 .name = "trim_backlog",
e8b0e958 2769 .lname = "Trim backlog",
0d29de83
JA		 2770 .type = FIO_OPT_STR_VAL,
2771 .off1 = td_var_offset(trim_backlog),
2772 .help = "Trim after this number of blocks are written",
2773 .parent = "trim_percentage",
d71c154c 2774 .hide = 1,
20eb06bd 2775 .interval = 1,
e8b0e958
JA		 2776 .category = FIO_OPT_C_IO,
2777 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2778 },
2779 {
2780 .name = "trim_backlog_batch",
e8b0e958 2781 .lname = "Trim backlog batch",
0d29de83
JA		 2782 .type = FIO_OPT_INT,
2783 .off1 = td_var_offset(trim_batch),
2784 .help = "Trim this number of IO blocks",
2785 .parent = "trim_percentage",
d71c154c 2786 .hide = 1,
20eb06bd 2787 .interval = 1,
e8b0e958
JA		 2788 .category = FIO_OPT_C_IO,
2789 .group = FIO_OPT_G_TRIM,
0d29de83 2790 },
a275c37a
JA		 2791#else
2792 {
2793 .name = "trim_percentage",
2794 .lname = "Trim percentage",
2795 .type = FIO_OPT_UNSUPPORTED,
2796 .help = "Fio does not support TRIM on your platform",
2797 },
2798 {
2799 .name = "trim_verify_zero",
2800 .lname = "Verify trim zero",
2801 .type = FIO_OPT_UNSUPPORTED,
2802 .help = "Fio does not support TRIM on your platform",
2803 },
2804 {
2805 .name = "trim_backlog",
2806 .lname = "Trim backlog",
2807 .type = FIO_OPT_UNSUPPORTED,
2808 .help = "Fio does not support TRIM on your platform",
2809 },
2810 {
2811 .name = "trim_backlog_batch",
2812 .lname = "Trim backlog batch",
2813 .type = FIO_OPT_UNSUPPORTED,
2814 .help = "Fio does not support TRIM on your platform",
2815 },
e8462bd8 2816#endif
214e1eca
JA		 2817 {
2818 .name = "write_iolog",
e8b0e958 2819 .lname = "Write I/O log",
214e1eca
JA		 2820 .type = FIO_OPT_STR_STORE,
2821 .off1 = td_var_offset(write_iolog_file),
2822 .help = "Store IO pattern to file",
e8b0e958
JA		 2823 .category = FIO_OPT_C_IO,
2824 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2825 },
2826 {
2827 .name = "read_iolog",
e8b0e958 2828 .lname = "Read I/O log",
214e1eca
JA		 2829 .type = FIO_OPT_STR_STORE,
2830 .off1 = td_var_offset(read_iolog_file),
2831 .help = "Playback IO pattern from file",
e8b0e958
JA		 2832 .category = FIO_OPT_C_IO,
2833 .group = FIO_OPT_G_IOLOG,
214e1eca 2834 },
64bbb865
DN		 2835 {
2836 .name = "replay_no_stall",
e8b0e958 2837 .lname = "Don't stall on replay",
20eb06bd 2838 .type = FIO_OPT_BOOL,
64bbb865
DN		 2839 .off1 = td_var_offset(no_stall),
2840 .def = "0",
87e7a972 2841 .parent = "read_iolog",
d71c154c 2842 .hide = 1,
64bbb865 2843 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2844 .category = FIO_OPT_C_IO,
2845 .group = FIO_OPT_G_IOLOG,
64bbb865 2846 },
d1c46c04
DN		 2847 {
2848 .name = "replay_redirect",
e8b0e958 2849 .lname = "Redirect device for replay",
d1c46c04
DN		 2850 .type = FIO_OPT_STR_STORE,
2851 .off1 = td_var_offset(replay_redirect),
2852 .parent = "read_iolog",
d71c154c 2853 .hide = 1,
d1c46c04 2854 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2855 .category = FIO_OPT_C_IO,
2856 .group = FIO_OPT_G_IOLOG,
d1c46c04 2857 },
0c63576e
JA		 2858 {
2859 .name = "replay_scale",
2860 .lname = "Replace offset scale factor",
2861 .type = FIO_OPT_INT,
2862 .off1 = td_var_offset(replay_scale),
2863 .parent = "read_iolog",
2864 .def = "1",
2865 .help = "Align offsets to this blocksize",
2866 .category = FIO_OPT_C_IO,
2867 .group = FIO_OPT_G_IOLOG,
2868 },
2869 {
2870 .name = "replay_align",
2871 .lname = "Replace alignment",
2872 .type = FIO_OPT_INT,
2873 .off1 = td_var_offset(replay_align),
2874 .parent = "read_iolog",
2875 .help = "Scale offset down by this factor",
2876 .category = FIO_OPT_C_IO,
2877 .group = FIO_OPT_G_IOLOG,
2878 .pow2 = 1,
2879 },
214e1eca
JA		 2880 {
2881 .name = "exec_prerun",
e8b0e958 2882 .lname = "Pre-execute runnable",
214e1eca
JA		 2883 .type = FIO_OPT_STR_STORE,
2884 .off1 = td_var_offset(exec_prerun),
2885 .help = "Execute this file prior to running job",
e8b0e958
JA		 2886 .category = FIO_OPT_C_GENERAL,
2887 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2888 },
2889 {
2890 .name = "exec_postrun",
e8b0e958 2891 .lname = "Post-execute runnable",
214e1eca
JA		 2892 .type = FIO_OPT_STR_STORE,
2893 .off1 = td_var_offset(exec_postrun),
2894 .help = "Execute this file after running job",
e8b0e958
JA		 2895 .category = FIO_OPT_C_GENERAL,
2896 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2897 },
2898#ifdef FIO_HAVE_IOSCHED_SWITCH
2899 {
2900 .name = "ioscheduler",
e8b0e958 2901 .lname = "I/O scheduler",
214e1eca
JA		 2902 .type = FIO_OPT_STR_STORE,
2903 .off1 = td_var_offset(ioscheduler),
2904 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2905 .category = FIO_OPT_C_FILE,
2906 .group = FIO_OPT_G_INVALID,
214e1eca 2907 },
a275c37a
JA		 2908#else
2909 {
2910 .name = "ioscheduler",
2911 .lname = "I/O scheduler",
2912 .type = FIO_OPT_UNSUPPORTED,
2913 .help = "Your platform does not support IO scheduler switching",
2914 },
214e1eca
JA		 2915#endif
2916 {
2917 .name = "zonesize",
e8b0e958 2918 .lname = "Zone size",
214e1eca
JA		 2919 .type = FIO_OPT_STR_VAL,
2920 .off1 = td_var_offset(zone_size),
ed335855
SN		 2921 .help = "Amount of data to read per zone",
2922 .def = "0",
20eb06bd 2923 .interval = 1024 * 1024,
e8b0e958
JA		 2924 .category = FIO_OPT_C_IO,
2925 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2926 },
2927 {
2928 .name = "zonerange",
e8b0e958 2929 .lname = "Zone range",
ed335855
SN		 2930 .type = FIO_OPT_STR_VAL,
2931 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2932 .help = "Give size of an IO zone",
2933 .def = "0",
20eb06bd 2934 .interval = 1024 * 1024,
e8b0e958
JA		 2935 .category = FIO_OPT_C_IO,
2936 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2937 },
2938 {
2939 .name = "zoneskip",
e8b0e958 2940 .lname = "Zone skip",
214e1eca
JA		 2941 .type = FIO_OPT_STR_VAL,
2942 .off1 = td_var_offset(zone_skip),
2943 .help = "Space between IO zones",
2944 .def = "0",
20eb06bd 2945 .interval = 1024 * 1024,
e8b0e958
JA		 2946 .category = FIO_OPT_C_IO,
2947 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2948 },
2949 {
2950 .name = "lockmem",
e8b0e958 2951 .lname = "Lock memory",
214e1eca 2952 .type = FIO_OPT_STR_VAL,
1b79a070 2953 .off1 = td_var_offset(lockmem),
81c6b6cd 2954 .help = "Lock down this amount of memory (per worker)",
214e1eca 2955 .def = "0",
20eb06bd 2956 .interval = 1024 * 1024,
e8b0e958
JA		 2957 .category = FIO_OPT_C_GENERAL,
2958 .group = FIO_OPT_G_INVALID,
214e1eca 2959 },
214e1eca
JA		 2960 {
2961 .name = "rwmixread",
e8b0e958 2962 .lname = "Read/write mix read",
214e1eca 2963 .type = FIO_OPT_INT,
cb499fc4 2964 .cb = str_rwmix_read_cb,
a8523a6a 2965 .off1 = td_var_offset(rwmix[DDIR_READ]),
214e1eca
JA		 2966 .maxval = 100,
2967 .help = "Percentage of mixed workload that is reads",
2968 .def = "50",
20eb06bd 2969 .interval = 5,
90265353 2970 .inverse = "rwmixwrite",
e8b0e958
JA		 2971 .category = FIO_OPT_C_IO,
2972 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2973 },
2974 {
2975 .name = "rwmixwrite",
e8b0e958 2976 .lname = "Read/write mix write",
214e1eca 2977 .type = FIO_OPT_INT,
cb499fc4 2978 .cb = str_rwmix_write_cb,
a8523a6a 2979 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
214e1eca
JA		 2980 .maxval = 100,
2981 .help = "Percentage of mixed workload that is writes",
2982 .def = "50",
20eb06bd 2983 .interval = 5,
90265353 2984 .inverse = "rwmixread",
e8b0e958
JA		 2985 .category = FIO_OPT_C_IO,
2986 .group = FIO_OPT_G_RWMIX,
214e1eca 2987 },
afdf9352
JA		 2988 {
2989 .name = "rwmixcycle",
e8b0e958 2990 .lname = "Read/write mix cycle",
15ca150e 2991 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2992 .category = FIO_OPT_C_IO,
2993 .group = FIO_OPT_G_RWMIX,
afdf9352 2994 },
214e1eca
JA		 2995 {
2996 .name = "nice",
e8b0e958 2997 .lname = "Nice",
214e1eca
JA		 2998 .type = FIO_OPT_INT,
2999 .off1 = td_var_offset(nice),
3000 .help = "Set job CPU nice value",
3001 .minval = -19,
3002 .maxval = 20,
3003 .def = "0",
20eb06bd 3004 .interval = 1,
e8b0e958 3005 .category = FIO_OPT_C_GENERAL,
10860056 3006 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3007 },
3008#ifdef FIO_HAVE_IOPRIO
3009 {
3010 .name = "prio",
e8b0e958 3011 .lname = "I/O nice priority",
214e1eca 3012 .type = FIO_OPT_INT,
28727df7 3013 .off1 = td_var_offset(ioprio),
214e1eca 3014 .help = "Set job IO priority value",
1767bd34
TK		 3015 .minval = IOPRIO_MIN_PRIO,
3016 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3017 .interval = 1,
e8b0e958 3018 .category = FIO_OPT_C_GENERAL,
10860056 3019 .group = FIO_OPT_G_CRED,
214e1eca 3020 },
32ef447a
TK		 3021#else
3022 {
3023 .name = "prio",
3024 .lname = "I/O nice priority",
3025 .type = FIO_OPT_UNSUPPORTED,
3026 .help = "Your platform does not support IO priorities",
3027 },
3028#endif
3029#ifdef FIO_HAVE_IOPRIO_CLASS
3030#ifndef FIO_HAVE_IOPRIO
3031#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3032#endif
214e1eca
JA		 3033 {
3034 .name = "prioclass",
e8b0e958 3035 .lname = "I/O nice priority class",
214e1eca 3036 .type = FIO_OPT_INT,
28727df7 3037 .off1 = td_var_offset(ioprio_class),
214e1eca 3038 .help = "Set job IO priority class",
1767bd34
TK		 3039 .minval = IOPRIO_MIN_PRIO_CLASS,
3040 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3041 .interval = 1,
e8b0e958 3042 .category = FIO_OPT_C_GENERAL,
10860056 3043 .group = FIO_OPT_G_CRED,
214e1eca 3044 },
a275c37a 3045#else
a275c37a
JA		 3046 {
3047 .name = "prioclass",
3048 .lname = "I/O nice priority class",
3049 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3050 .help = "Your platform does not support IO priority classes",
a275c37a 3051 },
214e1eca
JA		 3052#endif
3053 {
3054 .name = "thinktime",
e8b0e958 3055 .lname = "Thinktime",
214e1eca
JA		 3056 .type = FIO_OPT_INT,
3057 .off1 = td_var_offset(thinktime),
3058 .help = "Idle time between IO buffers (usec)",
3059 .def = "0",
88038bc7 3060 .is_time = 1,
e8b0e958 3061 .category = FIO_OPT_C_IO,
3ceb458f 3062 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3063 },
3064 {
3065 .name = "thinktime_spin",
e8b0e958 3066 .lname = "Thinktime spin",
214e1eca
JA		 3067 .type = FIO_OPT_INT,
3068 .off1 = td_var_offset(thinktime_spin),
3069 .help = "Start think time by spinning this amount (usec)",
3070 .def = "0",
88038bc7 3071 .is_time = 1,
afdf9352 3072 .parent = "thinktime",
d71c154c 3073 .hide = 1,
e8b0e958 3074 .category = FIO_OPT_C_IO,
3ceb458f 3075 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3076 },
3077 {
3078 .name = "thinktime_blocks",
e8b0e958 3079 .lname = "Thinktime blocks",
214e1eca
JA		 3080 .type = FIO_OPT_INT,
3081 .off1 = td_var_offset(thinktime_blocks),
3082 .help = "IO buffer period between 'thinktime'",
3083 .def = "1",
afdf9352 3084 .parent = "thinktime",
d71c154c 3085 .hide = 1,
e8b0e958 3086 .category = FIO_OPT_C_IO,
3ceb458f 3087 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3088 },
3089 {
3090 .name = "rate",
e8b0e958 3091 .lname = "I/O rate",
e01b22b8 3092 .type = FIO_OPT_INT,
6eaf09d6
SL		 3093 .off1 = td_var_offset(rate[DDIR_READ]),
3094 .off2 = td_var_offset(rate[DDIR_WRITE]),
3095 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 3096 .help = "Set bandwidth rate",
e8b0e958
JA		 3097 .category = FIO_OPT_C_IO,
3098 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3099 },
3100 {
6d428bcd
JA		 3101 .name = "rate_min",
3102 .alias = "ratemin",
e8b0e958 3103 .lname = "I/O min rate",
e01b22b8 3104 .type = FIO_OPT_INT,
6eaf09d6
SL		 3105 .off1 = td_var_offset(ratemin[DDIR_READ]),
3106 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
3107 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 3108 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3109 .parent = "rate",
d71c154c 3110 .hide = 1,
e8b0e958
JA		 3111 .category = FIO_OPT_C_IO,
3112 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3113 },
3114 {
3115 .name = "rate_iops",
e8b0e958 3116 .lname = "I/O rate IOPS",
e01b22b8 3117 .type = FIO_OPT_INT,
6eaf09d6
SL		 3118 .off1 = td_var_offset(rate_iops[DDIR_READ]),
3119 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
3120 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 3121 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3122 .hide = 1,
e8b0e958
JA		 3123 .category = FIO_OPT_C_IO,
3124 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3125 },
3126 {
3127 .name = "rate_iops_min",
e8b0e958 3128 .lname = "I/O min rate IOPS",
e01b22b8 3129 .type = FIO_OPT_INT,
6eaf09d6
SL		 3130 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
3131 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
3132 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 3133 .help = "Job must meet this rate or it will be shut down",
afdf9352 3134 .parent = "rate_iops",
d71c154c 3135 .hide = 1,
e8b0e958
JA		 3136 .category = FIO_OPT_C_IO,
3137 .group = FIO_OPT_G_RATE,
214e1eca 3138 },
ff6bb260 3139 {
6de65959
JA		 3140 .name = "rate_process",
3141 .lname = "Rate Process",
3142 .type = FIO_OPT_STR,
3143 .off1 = td_var_offset(rate_process),
3144 .help = "What process controls how rated IO is managed",
3145 .def = "linear",
ff6bb260
SL		 3146 .category = FIO_OPT_C_IO,
3147 .group = FIO_OPT_G_RATE,
6de65959
JA		 3148 .posval = {
3149 { .ival = "linear",
3150 .oval = RATE_PROCESS_LINEAR,
3151 .help = "Linear rate of IO",
3152 },
3153 {
3154 .ival = "poisson",
3155 .oval = RATE_PROCESS_POISSON,
3156 .help = "Rate follows Poisson process",
3157 },
3158 },
3159 .parent = "rate",
ff6bb260 3160 },
214e1eca 3161 {
6d428bcd
JA		 3162 .name = "rate_cycle",
3163 .alias = "ratecycle",
e8b0e958 3164 .lname = "I/O rate cycle",
214e1eca
JA		 3165 .type = FIO_OPT_INT,
3166 .off1 = td_var_offset(ratecycle),
3167 .help = "Window average for rate limits (msec)",
3168 .def = "1000",
afdf9352 3169 .parent = "rate",
d71c154c 3170 .hide = 1,
e8b0e958
JA		 3171 .category = FIO_OPT_C_IO,
3172 .group = FIO_OPT_G_RATE,
214e1eca 3173 },
15501535
JA		 3174 {
3175 .name = "max_latency",
cce2fdfe 3176 .lname = "Max Latency",
15501535
JA		 3177 .type = FIO_OPT_INT,
3178 .off1 = td_var_offset(max_latency),
3179 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3180 .is_time = 1,
1e5324e7 3181 .category = FIO_OPT_C_IO,
3e260a46
JA		 3182 .group = FIO_OPT_G_LATPROF,
3183 },
3184 {
3185 .name = "latency_target",
3186 .lname = "Latency Target (usec)",
3187 .type = FIO_OPT_STR_VAL_TIME,
3188 .off1 = td_var_offset(latency_target),
3189 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3190 .is_time = 1,
3e260a46
JA		 3191 .category = FIO_OPT_C_IO,
3192 .group = FIO_OPT_G_LATPROF,
3193 },
3194 {
3195 .name = "latency_window",
3196 .lname = "Latency Window (usec)",
3197 .type = FIO_OPT_STR_VAL_TIME,
3198 .off1 = td_var_offset(latency_window),
3199 .help = "Time to sustain latency_target",
88038bc7 3200 .is_time = 1,
3e260a46
JA		 3201 .category = FIO_OPT_C_IO,
3202 .group = FIO_OPT_G_LATPROF,
3203 },
3204 {
3205 .name = "latency_percentile",
3206 .lname = "Latency Percentile",
3207 .type = FIO_OPT_FLOAT_LIST,
3208 .off1 = td_var_offset(latency_percentile),
3209 .help = "Percentile of IOs must be below latency_target",
3210 .def = "100",
3211 .maxlen = 1,
3212 .minfp = 0.0,
3213 .maxfp = 100.0,
3214 .category = FIO_OPT_C_IO,
3215 .group = FIO_OPT_G_LATPROF,
15501535 3216 },
214e1eca
JA		 3217 {
3218 .name = "invalidate",
e8b0e958 3219 .lname = "Cache invalidate",
214e1eca
JA		 3220 .type = FIO_OPT_BOOL,
3221 .off1 = td_var_offset(invalidate_cache),
3222 .help = "Invalidate buffer/page cache prior to running job",
3223 .def = "1",
e8b0e958 3224 .category = FIO_OPT_C_IO,
3ceb458f 3225 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3226 },
3227 {
3228 .name = "sync",
e8b0e958 3229 .lname = "Synchronous I/O",
214e1eca
JA		 3230 .type = FIO_OPT_BOOL,
3231 .off1 = td_var_offset(sync_io),
3232 .help = "Use O_SYNC for buffered writes",
3233 .def = "0",
67a1000f 3234 .parent = "buffered",
d71c154c 3235 .hide = 1,
e8b0e958 3236 .category = FIO_OPT_C_IO,
3ceb458f 3237 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3238 },
214e1eca
JA		 3239 {
3240 .name = "create_serialize",
e8b0e958 3241 .lname = "Create serialize",
214e1eca
JA		 3242 .type = FIO_OPT_BOOL,
3243 .off1 = td_var_offset(create_serialize),
3244 .help = "Serialize creating of job files",
3245 .def = "1",
e8b0e958
JA		 3246 .category = FIO_OPT_C_FILE,
3247 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3248 },
3249 {
3250 .name = "create_fsync",
e8b0e958 3251 .lname = "Create fsync",
214e1eca
JA		 3252 .type = FIO_OPT_BOOL,
3253 .off1 = td_var_offset(create_fsync),
03e20d68 3254 .help = "fsync file after creation",
214e1eca 3255 .def = "1",
e8b0e958
JA		 3256 .category = FIO_OPT_C_FILE,
3257 .group = FIO_OPT_G_INVALID,
214e1eca 3258 },
814452bd
JA		 3259 {
3260 .name = "create_on_open",
e8b0e958 3261 .lname = "Create on open",
814452bd
JA		 3262 .type = FIO_OPT_BOOL,
3263 .off1 = td_var_offset(create_on_open),
3264 .help = "Create files when they are opened for IO",
3265 .def = "0",
e8b0e958
JA		 3266 .category = FIO_OPT_C_FILE,
3267 .group = FIO_OPT_G_INVALID,
814452bd 3268 },
25460cf6
JA		 3269 {
3270 .name = "create_only",
cce2fdfe 3271 .lname = "Create Only",
25460cf6
JA		 3272 .type = FIO_OPT_BOOL,
3273 .off1 = td_var_offset(create_only),
3274 .help = "Only perform file creation phase",
d17fda71 3275 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3276 .def = "0",
3277 },
2378826d
JA		 3278 {
3279 .name = "allow_file_create",
e81ecca3 3280 .lname = "Allow file create",
2378826d
JA		 3281 .type = FIO_OPT_BOOL,
3282 .off1 = td_var_offset(allow_create),
3283 .help = "Permit fio to create files, if they don't exist",
3284 .def = "1",
3285 .category = FIO_OPT_C_FILE,
3286 .group = FIO_OPT_G_FILENAME,
3287 },
e81ecca3
JA		 3288 {
3289 .name = "allow_mounted_write",
3290 .lname = "Allow mounted write",
3291 .type = FIO_OPT_BOOL,
3292 .off1 = td_var_offset(allow_mounted_write),
3293 .help = "Allow writes to a mounted partition",
3294 .def = "0",
3295 .category = FIO_OPT_C_FILE,
3296 .group = FIO_OPT_G_FILENAME,
3297 },
0b9d69ec 3298 {
afad68f7 3299 .name = "pre_read",
e8b0e958 3300 .lname = "Pre-read files",
afad68f7
ZY		 3301 .type = FIO_OPT_BOOL,
3302 .off1 = td_var_offset(pre_read),
03e20d68 3303 .help = "Pre-read files before starting official testing",
afad68f7 3304 .def = "0",
e8b0e958
JA		 3305 .category = FIO_OPT_C_FILE,
3306 .group = FIO_OPT_G_INVALID,
afad68f7 3307 },
214e1eca
JA		 3308#ifdef FIO_HAVE_CPU_AFFINITY
3309 {
3310 .name = "cpumask",
e8b0e958 3311 .lname = "CPU mask",
214e1eca
JA		 3312 .type = FIO_OPT_INT,
3313 .cb = str_cpumask_cb,
a8523a6a 3314 .off1 = td_var_offset(cpumask),
214e1eca 3315 .help = "CPU affinity mask",
e8b0e958 3316 .category = FIO_OPT_C_GENERAL,
10860056 3317 .group = FIO_OPT_G_CRED,
214e1eca 3318 },
d2e268b0
JA		 3319 {
3320 .name = "cpus_allowed",
e8b0e958 3321 .lname = "CPUs allowed",
d2e268b0
JA		 3322 .type = FIO_OPT_STR,
3323 .cb = str_cpus_allowed_cb,
a8523a6a 3324 .off1 = td_var_offset(cpumask),
d2e268b0 3325 .help = "Set CPUs allowed",
e8b0e958 3326 .category = FIO_OPT_C_GENERAL,
10860056 3327 .group = FIO_OPT_G_CRED,
d2e268b0 3328 },
c2acfbac
JA		 3329 {
3330 .name = "cpus_allowed_policy",
3331 .lname = "CPUs allowed distribution policy",
3332 .type = FIO_OPT_STR,
3333 .off1 = td_var_offset(cpus_allowed_policy),
3334 .help = "Distribution policy for cpus_allowed",
3335 .parent = "cpus_allowed",
3336 .prio = 1,
3337 .posval = {
3338 { .ival = "shared",
3339 .oval = FIO_CPUS_SHARED,
3340 .help = "Mask shared between threads",
3341 },
3342 { .ival = "split",
3343 .oval = FIO_CPUS_SPLIT,
3344 .help = "Mask split between threads",
3345 },
3346 },
3347 .category = FIO_OPT_C_GENERAL,
3348 .group = FIO_OPT_G_CRED,
3349 },
a275c37a
JA		 3350#else
3351 {
3352 .name = "cpumask",
3353 .lname = "CPU mask",
3354 .type = FIO_OPT_UNSUPPORTED,
3355 .help = "Your platform does not support CPU affinities",
3356 },
3357 {
3358 .name = "cpus_allowed",
3359 .lname = "CPUs allowed",
3360 .type = FIO_OPT_UNSUPPORTED,
3361 .help = "Your platform does not support CPU affinities",
3362 },
3363 {
3364 .name = "cpus_allowed_policy",
3365 .lname = "CPUs allowed distribution policy",
3366 .type = FIO_OPT_UNSUPPORTED,
3367 .help = "Your platform does not support CPU affinities",
3368 },
d0b937ed 3369#endif
67bf9823 3370#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3371 {
3372 .name = "numa_cpu_nodes",
cce2fdfe 3373 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3374 .type = FIO_OPT_STR,
3375 .cb = str_numa_cpunodes_cb,
b2a9e649 3376 .off1 = td_var_offset(numa_cpunodes),
d0b937ed 3377 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3378 .category = FIO_OPT_C_GENERAL,
3379 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3380 },
3381 {
3382 .name = "numa_mem_policy",
cce2fdfe 3383 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3384 .type = FIO_OPT_STR,
3385 .cb = str_numa_mpol_cb,
b2a9e649 3386 .off1 = td_var_offset(numa_memnodes),
d0b937ed 3387 .help = "NUMA memory policy setup",
6be54b2d
JA		 3388 .category = FIO_OPT_C_GENERAL,
3389 .group = FIO_OPT_G_INVALID,
d0b937ed 3390 },
a275c37a
JA		 3391#else
3392 {
3393 .name = "numa_cpu_nodes",
3394 .lname = "NUMA CPU Nodes",
3395 .type = FIO_OPT_UNSUPPORTED,
3396 .help = "Build fio with libnuma-dev(el) to enable this option",
3397 },
3398 {
3399 .name = "numa_mem_policy",
3400 .lname = "NUMA Memory Policy",
3401 .type = FIO_OPT_UNSUPPORTED,
3402 .help = "Build fio with libnuma-dev(el) to enable this option",
3403 },
214e1eca
JA		 3404#endif
3405 {
3406 .name = "end_fsync",
e8b0e958 3407 .lname = "End fsync",
214e1eca
JA		 3408 .type = FIO_OPT_BOOL,
3409 .off1 = td_var_offset(end_fsync),
3410 .help = "Include fsync at the end of job",
3411 .def = "0",
e8b0e958
JA		 3412 .category = FIO_OPT_C_FILE,
3413 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3414 },
3415 {
3416 .name = "fsync_on_close",
e8b0e958 3417 .lname = "Fsync on close",
214e1eca
JA		 3418 .type = FIO_OPT_BOOL,
3419 .off1 = td_var_offset(fsync_on_close),
3420 .help = "fsync files on close",
3421 .def = "0",
e8b0e958
JA		 3422 .category = FIO_OPT_C_FILE,
3423 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3424 },
3425 {
3426 .name = "unlink",
e8b0e958 3427 .lname = "Unlink file",
214e1eca
JA		 3428 .type = FIO_OPT_BOOL,
3429 .off1 = td_var_offset(unlink),
3430 .help = "Unlink created files after job has completed",
3431 .def = "0",
e8b0e958
JA		 3432 .category = FIO_OPT_C_FILE,
3433 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3434 },
3435 {
3436 .name = "exitall",
e8b0e958 3437 .lname = "Exit-all on terminate",
214e1eca
JA		 3438 .type = FIO_OPT_STR_SET,
3439 .cb = str_exitall_cb,
3440 .help = "Terminate all jobs when one exits",
e8b0e958 3441 .category = FIO_OPT_C_GENERAL,
a1f6afec 3442 .group = FIO_OPT_G_PROCESS,
214e1eca 3443 },
f9cafb12
JA		 3444 {
3445 .name = "exitall_on_error",
3446 .lname = "Exit-all on terminate in error",
78abcf9b
Y		 3447 .type = FIO_OPT_STR_SET,
3448 .off1 = td_var_offset(exitall_error),
f9cafb12
JA		 3449 .help = "Terminate all jobs when one exits in error",
3450 .category = FIO_OPT_C_GENERAL,
3451 .group = FIO_OPT_G_PROCESS,
3452 },
214e1eca
JA		 3453 {
3454 .name = "stonewall",
e8b0e958 3455 .lname = "Wait for previous",
d392365e 3456 .alias = "wait_for_previous",
214e1eca
JA		 3457 .type = FIO_OPT_STR_SET,
3458 .off1 = td_var_offset(stonewall),
3459 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3460 .category = FIO_OPT_C_GENERAL,
a1f6afec 3461 .group = FIO_OPT_G_PROCESS,
214e1eca 3462 },
b3d62a75
JA		 3463 {
3464 .name = "new_group",
e8b0e958 3465 .lname = "New group",
b3d62a75
JA		 3466 .type = FIO_OPT_STR_SET,
3467 .off1 = td_var_offset(new_group),
3468 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3469 .category = FIO_OPT_C_GENERAL,
a1f6afec 3470 .group = FIO_OPT_G_PROCESS,
b3d62a75 3471 },
214e1eca
JA		 3472 {
3473 .name = "thread",
e8b0e958 3474 .lname = "Thread",
214e1eca
JA		 3475 .type = FIO_OPT_STR_SET,
3476 .off1 = td_var_offset(use_thread),
20eb06bd 3477 .help = "Use threads instead of processes",
c8931876
JA		 3478#ifdef CONFIG_NO_SHM
3479 .def = "1",
3480 .no_warn_def = 1,
3481#endif
e8b0e958 3482 .category = FIO_OPT_C_GENERAL,
a1f6afec 3483 .group = FIO_OPT_G_PROCESS,
214e1eca 3484 },
3a5db920
JA		 3485 {
3486 .name = "per_job_logs",
cce2fdfe 3487 .lname = "Per Job Logs",
3a5db920
JA		 3488 .type = FIO_OPT_BOOL,
3489 .off1 = td_var_offset(per_job_logs),
3490 .help = "Include job number in generated log files or not",
3491 .def = "1",
3492 .category = FIO_OPT_C_LOG,
3493 .group = FIO_OPT_G_INVALID,
3494 },
214e1eca
JA		 3495 {
3496 .name = "write_bw_log",
e8b0e958 3497 .lname = "Write bandwidth log",
203160d5
JA		 3498 .type = FIO_OPT_STR_STORE,
3499 .off1 = td_var_offset(bw_log_file),
214e1eca 3500 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3501 .category = FIO_OPT_C_LOG,
3502 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3503 },
3504 {
3505 .name = "write_lat_log",
e8b0e958 3506 .lname = "Write latency log",
203160d5
JA		 3507 .type = FIO_OPT_STR_STORE,
3508 .off1 = td_var_offset(lat_log_file),
214e1eca 3509 .help = "Write log of latency during run",
e8b0e958
JA		 3510 .category = FIO_OPT_C_LOG,
3511 .group = FIO_OPT_G_INVALID,
214e1eca 3512 },
c8eeb9df
JA		 3513 {
3514 .name = "write_iops_log",
e8b0e958 3515 .lname = "Write IOPS log",
577c83bd 3516 .type = FIO_OPT_STR_STORE,
203160d5 3517 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3518 .help = "Write log of IOPS during run",
e8b0e958
JA		 3519 .category = FIO_OPT_C_LOG,
3520 .group = FIO_OPT_G_INVALID,
c8eeb9df 3521 },
b8bc8cba
JA		 3522 {
3523 .name = "log_avg_msec",
e8b0e958 3524 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3525 .type = FIO_OPT_INT,
3526 .off1 = td_var_offset(log_avg_msec),
3527 .help = "Average bw/iops/lat logs over this period of time",
3528 .def = "0",
e8b0e958
JA		 3529 .category = FIO_OPT_C_LOG,
3530 .group = FIO_OPT_G_INVALID,
b8bc8cba 3531 },
e6989e10
JA		 3532 {
3533 .name = "log_max_value",
3534 .lname = "Log maximum instead of average",
3535 .type = FIO_OPT_BOOL,
3536 .off1 = td_var_offset(log_max),
3537 .help = "Log max sample in a window instead of average",
3538 .def = "0",
3539 .category = FIO_OPT_C_LOG,
3540 .group = FIO_OPT_G_INVALID,
3541 },
ae588852
JA		 3542 {
3543 .name = "log_offset",
3544 .lname = "Log offset of IO",
3545 .type = FIO_OPT_BOOL,
3546 .off1 = td_var_offset(log_offset),
3547 .help = "Include offset of IO for each log entry",
3548 .def = "0",
3549 .category = FIO_OPT_C_LOG,
3550 .group = FIO_OPT_G_INVALID,
3551 },
aee2ab67
JA		 3552#ifdef CONFIG_ZLIB
3553 {
3554 .name = "log_compression",
3555 .lname = "Log compression",
3556 .type = FIO_OPT_INT,
3557 .off1 = td_var_offset(log_gz),
3558 .help = "Log in compressed chunks of this size",
9919b27b 3559 .minval = 1024ULL,
aee2ab67
JA		 3560 .maxval = 512 * 1024 * 1024ULL,
3561 .category = FIO_OPT_C_LOG,
3562 .group = FIO_OPT_G_INVALID,
3563 },
c08f9fe2
JA		 3564#ifdef FIO_HAVE_CPU_AFFINITY
3565 {
3566 .name = "log_compression_cpus",
3567 .lname = "Log Compression CPUs",
3568 .type = FIO_OPT_STR,
3569 .cb = str_log_cpus_allowed_cb,
3570 .off1 = td_var_offset(log_gz_cpumask),
3571 .parent = "log_compression",
3572 .help = "Limit log compression to these CPUs",
3573 .category = FIO_OPT_C_LOG,
3574 .group = FIO_OPT_G_INVALID,
3575 },
a275c37a
JA		 3576#else
3577 {
3578 .name = "log_compression_cpus",
3579 .lname = "Log Compression CPUs",
3580 .type = FIO_OPT_UNSUPPORTED,
3581 .help = "Your platform does not support CPU affinities",
3582 },
c08f9fe2 3583#endif
b26317c9
JA		 3584 {
3585 .name = "log_store_compressed",
3586 .lname = "Log store compressed",
3587 .type = FIO_OPT_BOOL,
3588 .off1 = td_var_offset(log_gz_store),
3589 .help = "Store logs in a compressed format",
3590 .category = FIO_OPT_C_LOG,
3591 .group = FIO_OPT_G_INVALID,
3592 },
a275c37a
JA		 3593#else
3594 {
3595 .name = "log_compression",
3596 .lname = "Log compression",
3597 .type = FIO_OPT_UNSUPPORTED,
3598 .help = "Install libz-dev(el) to get compression support",
3599 },
3600 {
3601 .name = "log_store_compressed",
3602 .lname = "Log store compressed",
3603 .type = FIO_OPT_UNSUPPORTED,
3604 .help = "Install libz-dev(el) to get compression support",
3605 },
aee2ab67 3606#endif
66347cfa
DE		 3607 {
3608 .name = "block_error_percentiles",
3609 .lname = "Block error percentiles",
3610 .type = FIO_OPT_BOOL,
3611 .off1 = td_var_offset(block_error_hist),
3612 .help = "Record trim block errors and make a histogram",
3613 .def = "0",
3614 .category = FIO_OPT_C_LOG,
3615 .group = FIO_OPT_G_INVALID,
3616 },
c504ee55
JA		 3617 {
3618 .name = "bwavgtime",
3619 .lname = "Bandwidth average time",
3620 .type = FIO_OPT_INT,
3621 .off1 = td_var_offset(bw_avg_time),
3622 .help = "Time window over which to calculate bandwidth"
3623 " (msec)",
3624 .def = "500",
3625 .parent = "write_bw_log",
3626 .hide = 1,
3627 .interval = 100,
3628 .category = FIO_OPT_C_LOG,
3629 .group = FIO_OPT_G_INVALID,
3630 },
3631 {
3632 .name = "iopsavgtime",
3633 .lname = "IOPS average time",
3634 .type = FIO_OPT_INT,
3635 .off1 = td_var_offset(iops_avg_time),
3636 .help = "Time window over which to calculate IOPS (msec)",
3637 .def = "500",
3638 .parent = "write_iops_log",
3639 .hide = 1,
3640 .interval = 100,
3641 .category = FIO_OPT_C_LOG,
3642 .group = FIO_OPT_G_INVALID,
3643 },
214e1eca
JA		 3644 {
3645 .name = "group_reporting",
e8b0e958 3646 .lname = "Group reporting",
d2507043 3647 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3648 .off1 = td_var_offset(group_reporting),
3649 .help = "Do reporting on a per-group basis",
10860056 3650 .category = FIO_OPT_C_STAT,
e8b0e958 3651 .group = FIO_OPT_G_INVALID,
214e1eca 3652 },
e9459e5a
JA		 3653 {
3654 .name = "zero_buffers",
e8b0e958 3655 .lname = "Zero I/O buffers",
e9459e5a
JA		 3656 .type = FIO_OPT_STR_SET,
3657 .off1 = td_var_offset(zero_buffers),
3658 .help = "Init IO buffers to all zeroes",
e8b0e958 3659 .category = FIO_OPT_C_IO,
3ceb458f 3660 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3661 },
5973cafb
JA		 3662 {
3663 .name = "refill_buffers",
e8b0e958 3664 .lname = "Refill I/O buffers",
5973cafb
JA		 3665 .type = FIO_OPT_STR_SET,
3666 .off1 = td_var_offset(refill_buffers),
3667 .help = "Refill IO buffers on every IO submit",
e8b0e958 3668 .category = FIO_OPT_C_IO,
3ceb458f 3669 .group = FIO_OPT_G_IO_BUF,
5973cafb 3670 },
fd68418e
JA		 3671 {
3672 .name = "scramble_buffers",
e8b0e958 3673 .lname = "Scramble I/O buffers",
fd68418e
JA		 3674 .type = FIO_OPT_BOOL,
3675 .off1 = td_var_offset(scramble_buffers),
3676 .help = "Slightly scramble buffers on every IO submit",
3677 .def = "1",
e8b0e958 3678 .category = FIO_OPT_C_IO,
3ceb458f 3679 .group = FIO_OPT_G_IO_BUF,
fd68418e 3680 },
ce35b1ec
JA		 3681 {
3682 .name = "buffer_pattern",
3683 .lname = "Buffer pattern",
3684 .type = FIO_OPT_STR,
3685 .cb = str_buffer_pattern_cb,
a8523a6a 3686 .off1 = td_var_offset(buffer_pattern),
ce35b1ec
JA		 3687 .help = "Fill pattern for IO buffers",
3688 .category = FIO_OPT_C_IO,
3689 .group = FIO_OPT_G_IO_BUF,
3690 },
9c42684e
JA		 3691 {
3692 .name = "buffer_compress_percentage",
e8b0e958 3693 .lname = "Buffer compression percentage",
9c42684e 3694 .type = FIO_OPT_INT,
bedc9dc2 3695 .cb = str_buffer_compress_cb,
a8523a6a 3696 .off1 = td_var_offset(compress_percentage),
9c42684e 3697 .maxval = 100,
e7f5de90 3698 .minval = 0,
9c42684e 3699 .help = "How compressible the buffer is (approximately)",
20eb06bd 3700 .interval = 5,
e8b0e958 3701 .category = FIO_OPT_C_IO,
3ceb458f 3702 .group = FIO_OPT_G_IO_BUF,
9c42684e 3703 },
f97a43a1
JA		 3704 {
3705 .name = "buffer_compress_chunk",
e8b0e958 3706 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3707 .type = FIO_OPT_INT,
3708 .off1 = td_var_offset(compress_chunk),
207b18e4 3709 .parent = "buffer_compress_percentage",
d71c154c 3710 .hide = 1,
f97a43a1 3711 .help = "Size of compressible region in buffer",
20eb06bd 3712 .interval = 256,
e8b0e958 3713 .category = FIO_OPT_C_IO,
3ceb458f 3714 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3715 },
5c94b008
JA		 3716 {
3717 .name = "dedupe_percentage",
3718 .lname = "Dedupe percentage",
3719 .type = FIO_OPT_INT,
3720 .cb = str_dedupe_cb,
a8523a6a 3721 .off1 = td_var_offset(dedupe_percentage),
5c94b008
JA		 3722 .maxval = 100,
3723 .minval = 0,
3724 .help = "Percentage of buffers that are dedupable",
3725 .interval = 1,
3726 .category = FIO_OPT_C_IO,
3727 .group = FIO_OPT_G_IO_BUF,
3728 },
83349190
YH		 3729 {
3730 .name = "clat_percentiles",
e8b0e958 3731 .lname = "Completion latency percentiles",
83349190
YH		 3732 .type = FIO_OPT_BOOL,
3733 .off1 = td_var_offset(clat_percentiles),
3734 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3735 .def = "1",
e8b0e958
JA		 3736 .category = FIO_OPT_C_STAT,
3737 .group = FIO_OPT_G_INVALID,
83349190
YH		 3738 },
3739 {
3740 .name = "percentile_list",
66347cfa 3741 .lname = "Percentile list",
83349190
YH		 3742 .type = FIO_OPT_FLOAT_LIST,
3743 .off1 = td_var_offset(percentile_list),
435d195a 3744 .off2 = td_var_offset(percentile_precision),
66347cfa
DE		 3745 .help = "Specify a custom list of percentiles to report for "
3746 "completion latency and block errors",
fd112d34 3747 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3748 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3749 .minfp = 0.0,
3750 .maxfp = 100.0,
e8b0e958
JA		 3751 .category = FIO_OPT_C_STAT,
3752 .group = FIO_OPT_G_INVALID,
83349190
YH		 3753 },
3754
0a839f30
JA		 3755#ifdef FIO_HAVE_DISK_UTIL
3756 {
3757 .name = "disk_util",
e8b0e958 3758 .lname = "Disk utilization",
0a839f30
JA		 3759 .type = FIO_OPT_BOOL,
3760 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3761 .help = "Log disk utilization statistics",
0a839f30 3762 .def = "1",
e8b0e958
JA		 3763 .category = FIO_OPT_C_STAT,
3764 .group = FIO_OPT_G_INVALID,
0a839f30 3765 },
a275c37a
JA		 3766#else
3767 {
3768 .name = "disk_util",
3769 .lname = "Disk utilization",
3770 .type = FIO_OPT_UNSUPPORTED,
3771 .help = "Your platform does not support disk utilization",
3772 },
0a839f30 3773#endif
993bf48b
JA		 3774 {
3775 .name = "gtod_reduce",
e8b0e958 3776 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3777 .type = FIO_OPT_BOOL,
3778 .help = "Greatly reduce number of gettimeofday() calls",
3779 .cb = str_gtod_reduce_cb,
3780 .def = "0",
a4ed77fe 3781 .hide_on_set = 1,
e8b0e958
JA		 3782 .category = FIO_OPT_C_STAT,
3783 .group = FIO_OPT_G_INVALID,
993bf48b 3784 },
02af0988
JA		 3785 {
3786 .name = "disable_lat",
e8b0e958 3787 .lname = "Disable all latency stats",
02af0988
JA		 3788 .type = FIO_OPT_BOOL,
3789 .off1 = td_var_offset(disable_lat),
3790 .help = "Disable latency numbers",
3791 .parent = "gtod_reduce",
d71c154c 3792 .hide = 1,
02af0988 3793 .def = "0",
e8b0e958
JA		 3794 .category = FIO_OPT_C_STAT,
3795 .group = FIO_OPT_G_INVALID,
02af0988 3796 },
9520ebb9
JA		 3797 {
3798 .name = "disable_clat",
e8b0e958 3799 .lname = "Disable completion latency stats",
9520ebb9
JA		 3800 .type = FIO_OPT_BOOL,
3801 .off1 = td_var_offset(disable_clat),
3802 .help = "Disable completion latency numbers",
993bf48b 3803 .parent = "gtod_reduce",
d71c154c 3804 .hide = 1,
9520ebb9 3805 .def = "0",
e8b0e958
JA		 3806 .category = FIO_OPT_C_STAT,
3807 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3808 },
3809 {
3810 .name = "disable_slat",
e8b0e958 3811 .lname = "Disable submission latency stats",
9520ebb9
JA		 3812 .type = FIO_OPT_BOOL,
3813 .off1 = td_var_offset(disable_slat),
03e20d68 3814 .help = "Disable submission latency numbers",
993bf48b 3815 .parent = "gtod_reduce",
d71c154c 3816 .hide = 1,
9520ebb9 3817 .def = "0",
e8b0e958
JA		 3818 .category = FIO_OPT_C_STAT,
3819 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3820 },
3821 {
3822 .name = "disable_bw_measurement",
e8b0e958 3823 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3824 .type = FIO_OPT_BOOL,
3825 .off1 = td_var_offset(disable_bw),
3826 .help = "Disable bandwidth logging",
993bf48b 3827 .parent = "gtod_reduce",
d71c154c 3828 .hide = 1,
9520ebb9 3829 .def = "0",
e8b0e958
JA		 3830 .category = FIO_OPT_C_STAT,
3831 .group = FIO_OPT_G_INVALID,
9520ebb9 3832 },
be4ecfdf
JA		 3833 {
3834 .name = "gtod_cpu",
e8b0e958 3835 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 3836 .type = FIO_OPT_INT,
79c896a1 3837 .off1 = td_var_offset(gtod_cpu),
03e20d68 3838 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3839 .verify = gtod_cpu_verify,
e8b0e958 3840 .category = FIO_OPT_C_GENERAL,
10860056 3841 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3842 },
771e58be
JA		 3843 {
3844 .name = "unified_rw_reporting",
cce2fdfe 3845 .lname = "Unified RW Reporting",
771e58be
JA		 3846 .type = FIO_OPT_BOOL,
3847 .off1 = td_var_offset(unified_rw_rep),
3848 .help = "Unify reporting across data direction",
3849 .def = "0",
90b7a96d
JA		 3850 .category = FIO_OPT_C_GENERAL,
3851 .group = FIO_OPT_G_INVALID,
771e58be 3852 },
f2bba182
RR		 3853 {
3854 .name = "continue_on_error",
e8b0e958 3855 .lname = "Continue on error",
06842027 3856 .type = FIO_OPT_STR,
f2bba182 3857 .off1 = td_var_offset(continue_on_error),
03e20d68 3858 .help = "Continue on non-fatal errors during IO",
06842027 3859 .def = "none",
e8b0e958 3860 .category = FIO_OPT_C_GENERAL,
bc3f552f 3861 .group = FIO_OPT_G_ERR,
06842027
SL		 3862 .posval = {
3863 { .ival = "none",
3864 .oval = ERROR_TYPE_NONE,
3865 .help = "Exit when an error is encountered",
3866 },
3867 { .ival = "read",
3868 .oval = ERROR_TYPE_READ,
3869 .help = "Continue on read errors only",
3870 },
3871 { .ival = "write",
3872 .oval = ERROR_TYPE_WRITE,
3873 .help = "Continue on write errors only",
3874 },
3875 { .ival = "io",
3876 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3877 .help = "Continue on any IO errors",
3878 },
3879 { .ival = "verify",
3880 .oval = ERROR_TYPE_VERIFY,
3881 .help = "Continue on verify errors only",
3882 },
3883 { .ival = "all",
3884 .oval = ERROR_TYPE_ANY,
3885 .help = "Continue on all io and verify errors",
3886 },
3887 { .ival = "0",
3888 .oval = ERROR_TYPE_NONE,
3889 .help = "Alias for 'none'",
3890 },
3891 { .ival = "1",
3892 .oval = ERROR_TYPE_ANY,
3893 .help = "Alias for 'all'",
3894 },
3895 },
f2bba182 3896 },
8b28bd41
DM		 3897 {
3898 .name = "ignore_error",
cce2fdfe 3899 .lname = "Ignore Error",
8b28bd41
DM		 3900 .type = FIO_OPT_STR,
3901 .cb = str_ignore_error_cb,
a8523a6a 3902 .off1 = td_var_offset(ignore_error_nr),
8b28bd41
DM		 3903 .help = "Set a specific list of errors to ignore",
3904 .parent = "rw",
a94eb99a 3905 .category = FIO_OPT_C_GENERAL,
bc3f552f 3906 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3907 },
3908 {
3909 .name = "error_dump",
cce2fdfe 3910 .lname = "Error Dump",
8b28bd41
DM		 3911 .type = FIO_OPT_BOOL,
3912 .off1 = td_var_offset(error_dump),
3913 .def = "0",
3914 .help = "Dump info on each error",
a94eb99a 3915 .category = FIO_OPT_C_GENERAL,
bc3f552f 3916 .group = FIO_OPT_G_ERR,
8b28bd41 3917 },
9ac8a797
JA		 3918 {
3919 .name = "profile",
e8b0e958 3920 .lname = "Profile",
79d16311 3921 .type = FIO_OPT_STR_STORE,
9ac8a797 3922 .off1 = td_var_offset(profile),
9ac8a797 3923 .help = "Select a specific builtin performance test",
13fca827 3924 .category = FIO_OPT_C_PROFILE,
e8b0e958 3925 .group = FIO_OPT_G_INVALID,
9ac8a797 3926 },
a696fa2a
JA		 3927 {
3928 .name = "cgroup",
e8b0e958 3929 .lname = "Cgroup",
a696fa2a
JA		 3930 .type = FIO_OPT_STR_STORE,
3931 .off1 = td_var_offset(cgroup),
3932 .help = "Add job to cgroup of this name",
e8b0e958 3933 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3934 .group = FIO_OPT_G_CGROUP,
3935 },
3936 {
3937 .name = "cgroup_nodelete",
3938 .lname = "Cgroup no-delete",
3939 .type = FIO_OPT_BOOL,
3940 .off1 = td_var_offset(cgroup_nodelete),
3941 .help = "Do not delete cgroups after job completion",
3942 .def = "0",
3943 .parent = "cgroup",
3944 .category = FIO_OPT_C_GENERAL,
3945 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3946 },
3947 {
3948 .name = "cgroup_weight",
e8b0e958 3949 .lname = "Cgroup weight",
a696fa2a
JA		 3950 .type = FIO_OPT_INT,
3951 .off1 = td_var_offset(cgroup_weight),
3952 .help = "Use given weight for cgroup",
3953 .minval = 100,
3954 .maxval = 1000,
a1f6afec 3955 .parent = "cgroup",
e8b0e958 3956 .category = FIO_OPT_C_GENERAL,
a1f6afec 3957 .group = FIO_OPT_G_CGROUP,
7de87099 3958 },
e0b0d892
JA		 3959 {
3960 .name = "uid",
e8b0e958 3961 .lname = "User ID",
e0b0d892
JA		 3962 .type = FIO_OPT_INT,
3963 .off1 = td_var_offset(uid),
3964 .help = "Run job with this user ID",
e8b0e958 3965 .category = FIO_OPT_C_GENERAL,
10860056 3966 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3967 },
3968 {
3969 .name = "gid",
e8b0e958 3970 .lname = "Group ID",
e0b0d892
JA		 3971 .type = FIO_OPT_INT,
3972 .off1 = td_var_offset(gid),
3973 .help = "Run job with this group ID",
e8b0e958 3974 .category = FIO_OPT_C_GENERAL,
10860056 3975 .group = FIO_OPT_G_CRED,
e0b0d892 3976 },
a1f6afec
JA		 3977 {
3978 .name = "kb_base",
3979 .lname = "KB Base",
3980 .type = FIO_OPT_INT,
3981 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3982 .prio = 1,
3983 .def = "1024",
ba9c7219
JA		 3984 .posval = {
3985 { .ival = "1024",
3986 .oval = 1024,
3987 .help = "Use 1024 as the K base",
3988 },
3989 { .ival = "1000",
3990 .oval = 1000,
3991 .help = "Use 1000 as the K base",
3992 },
3993 },
a1f6afec
JA		 3994 .help = "How many bytes per KB for reporting (1000 or 1024)",
3995 .category = FIO_OPT_C_GENERAL,
3996 .group = FIO_OPT_G_INVALID,
3997 },
cf3a0518
JA		 3998 {
3999 .name = "unit_base",
ba9c7219 4000 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 4001 .type = FIO_OPT_INT,
4002 .off1 = td_var_offset(unit_base),
cf3a0518 4003 .prio = 1,
71a08258
JA		 4004 .posval = {
4005 { .ival = "0",
4006 .oval = 0,
4007 .help = "Auto-detect",
4008 },
4009 { .ival = "8",
4010 .oval = 8,
4011 .help = "Normal (byte based)",
4012 },
4013 { .ival = "1",
4014 .oval = 1,
4015 .help = "Bit based",
4016 },
4017 },
cf3a0518
JA		 4018 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4019 .category = FIO_OPT_C_GENERAL,
4020 .group = FIO_OPT_G_INVALID,
4021 },
3ceb458f
JA		 4022 {
4023 .name = "hugepage-size",
4024 .lname = "Hugepage size",
4025 .type = FIO_OPT_INT,
4026 .off1 = td_var_offset(hugepage_size),
4027 .help = "When using hugepages, specify size of each page",
4028 .def = __fio_stringify(FIO_HUGE_PAGE),
4029 .interval = 1024 * 1024,
4030 .category = FIO_OPT_C_GENERAL,
4031 .group = FIO_OPT_G_INVALID,
4032 },
9e684a49
DE		 4033 {
4034 .name = "flow_id",
e8b0e958 4035 .lname = "I/O flow ID",
9e684a49
DE		 4036 .type = FIO_OPT_INT,
4037 .off1 = td_var_offset(flow_id),
4038 .help = "The flow index ID to use",
4039 .def = "0",
e8b0e958
JA		 4040 .category = FIO_OPT_C_IO,
4041 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4042 },
4043 {
4044 .name = "flow",
e8b0e958 4045 .lname = "I/O flow weight",
9e684a49
DE		 4046 .type = FIO_OPT_INT,
4047 .off1 = td_var_offset(flow),
4048 .help = "Weight for flow control of this job",
4049 .parent = "flow_id",
d71c154c 4050 .hide = 1,
9e684a49 4051 .def = "0",
e8b0e958
JA		 4052 .category = FIO_OPT_C_IO,
4053 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4054 },
4055 {
4056 .name = "flow_watermark",
e8b0e958 4057 .lname = "I/O flow watermark",
9e684a49
DE		 4058 .type = FIO_OPT_INT,
4059 .off1 = td_var_offset(flow_watermark),
4060 .help = "High watermark for flow control. This option"
4061 " should be set to the same value for all threads"
4062 " with non-zero flow.",
4063 .parent = "flow_id",
d71c154c 4064 .hide = 1,
9e684a49 4065 .def = "1024",
e8b0e958
JA		 4066 .category = FIO_OPT_C_IO,
4067 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4068 },
4069 {
4070 .name = "flow_sleep",
e8b0e958 4071 .lname = "I/O flow sleep",
9e684a49
DE		 4072 .type = FIO_OPT_INT,
4073 .off1 = td_var_offset(flow_sleep),
4074 .help = "How many microseconds to sleep after being held"
4075 " back by the flow control mechanism",
4076 .parent = "flow_id",
d71c154c 4077 .hide = 1,
9e684a49 4078 .def = "0",
e8b0e958
JA		 4079 .category = FIO_OPT_C_IO,
4080 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4081 },
65fa28ca
DE		 4082 {
4083 .name = "skip_bad",
4084 .lname = "Skip operations against bad blocks",
4085 .type = FIO_OPT_BOOL,
4086 .off1 = td_var_offset(skip_bad),
4087 .help = "Skip operations against known bad blocks.",
4088 .hide = 1,
4089 .def = "0",
4090 .category = FIO_OPT_C_IO,
4091 .group = FIO_OPT_G_MTD,
4092 },
214e1eca
JA		 4093 {
4094 .name = NULL,
4095 },
4096};
4097
17af15d4 4098static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4099 const char *name, int val)
9f81736c 4100{
17af15d4 4101 lopt->name = (char *) name;
de890a1e 4102 lopt->val = val;
9f81736c 4103 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4104 lopt->has_arg = optional_argument;
9f81736c
JA		 4105 else
4106 lopt->has_arg = required_argument;
4107}
4108
de890a1e
SL		 4109static void options_to_lopts(struct fio_option *opts,
4110 struct option *long_options,
4111 int i, int option_type)
214e1eca 4112{
de890a1e 4113 struct fio_option *o = &opts[0];
214e1eca 4114 while (o->name) {
de890a1e 4115 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4116 if (o->alias) {
4117 i++;
de890a1e 4118 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4119 }
214e1eca
JA		 4120
4121 i++;
4122 o++;
4123 assert(i < FIO_NR_OPTIONS);
4124 }
4125}
4126
de890a1e
SL		 4127void fio_options_set_ioengine_opts(struct option *long_options,
4128 struct thread_data *td)
4129{
4130 unsigned int i;
4131
4132 i = 0;
4133 while (long_options[i].name) {
4134 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4135 memset(&long_options[i], 0, sizeof(*long_options));
4136 break;
4137 }
4138 i++;
4139 }
4140
4141 /*
4142 * Just clear out the prior ioengine options.
4143 */
4144 if (!td || !td->eo)
4145 return;
4146
4147 options_to_lopts(td->io_ops->options, long_options, i,
4148 FIO_GETOPT_IOENGINE);
4149}
4150
4151void fio_options_dup_and_init(struct option *long_options)
4152{
4153 unsigned int i;
4154
9af4a244 4155 options_init(fio_options);
de890a1e
SL		 4156
4157 i = 0;
4158 while (long_options[i].name)
4159 i++;
4160
9af4a244 4161 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4162}
4163
74929ac2
JA		 4164struct fio_keyword {
4165 const char *word;
4166 const char *desc;
4167 char *replace;
4168};
4169
4170static struct fio_keyword fio_keywords[] = {
4171 {
4172 .word = "$pagesize",
4173 .desc = "Page size in the system",
4174 },
4175 {
4176 .word = "$mb_memory",
4177 .desc = "Megabytes of memory online",
4178 },
4179 {
4180 .word = "$ncpus",
4181 .desc = "Number of CPUs online in the system",
4182 },
4183 {
4184 .word = NULL,
4185 },
4186};
4187
af1dc266
JA		 4188void fio_keywords_exit(void)
4189{
4190 struct fio_keyword *kw;
4191
4192 kw = &fio_keywords[0];
4193 while (kw->word) {
4194 free(kw->replace);
4195 kw->replace = NULL;
4196 kw++;
4197 }
4198}
4199
74929ac2
JA		 4200void fio_keywords_init(void)
4201{
3b2e1464 4202 unsigned long long mb_memory;
74929ac2
JA		 4203 char buf[128];
4204 long l;
4205
a4cfc477 4206 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4207 fio_keywords[0].replace = strdup(buf);
4208
8eb016d3 4209 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4210 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4211 fio_keywords[1].replace = strdup(buf);
4212
c00a2289 4213 l = cpus_online();
74929ac2
JA		 4214 sprintf(buf, "%lu", l);
4215 fio_keywords[2].replace = strdup(buf);
4216}
4217
892a6ffc
JA		 4218#define BC_APP "bc"
4219
4220static char *bc_calc(char *str)
4221{
d0c814ec 4222 char buf[128], *tmp;
892a6ffc
JA		 4223 FILE *f;
4224 int ret;
4225
4226 /*
4227 * No math, just return string
4228 */
d0c814ec
SL		 4229 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4230 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4231 return str;
4232
4233 /*
4234 * Split option from value, we only need to calculate the value
4235 */
4236 tmp = strchr(str, '=');
4237 if (!tmp)
4238 return str;
4239
4240 tmp++;
892a6ffc 4241
d0c814ec
SL		 4242 /*
4243 * Prevent buffer overflows; such a case isn't reasonable anyway
4244 */
4245 if (strlen(str) >= 128 || strlen(tmp) > 100)
4246 return str;
892a6ffc
JA		 4247
4248 sprintf(buf, "which %s > /dev/null", BC_APP);
4249 if (system(buf)) {
4250 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4251 return NULL;
4252 }
4253
d0c814ec 4254 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4255 f = popen(buf, "r");
3c3ed070 4256 if (!f)
892a6ffc 4257 return NULL;
892a6ffc 4258
d0c814ec 4259 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4260 if (ret <= 0) {
4261 pclose(f);
892a6ffc 4262 return NULL;
1d824f37 4263 }
892a6ffc 4264
892a6ffc 4265 pclose(f);
d0c814ec
SL		 4266 buf[(tmp - str) + ret - 1] = '\0';
4267 memcpy(buf, str, tmp - str);
892a6ffc 4268 free(str);
d0c814ec
SL		 4269 return strdup(buf);
4270}
4271
4272/*
4273 * Return a copy of the input string with substrings of the form ${VARNAME}
4274 * substituted with the value of the environment variable VARNAME. The
4275 * substitution always occurs, even if VARNAME is empty or the corresponding
4276 * environment variable undefined.
4277 */
4278static char *option_dup_subs(const char *opt)
4279{
4280 char out[OPT_LEN_MAX+1];
4281 char in[OPT_LEN_MAX+1];
4282 char *outptr = out;
4283 char *inptr = in;
4284 char *ch1, *ch2, *env;
4285 ssize_t nchr = OPT_LEN_MAX;
4286 size_t envlen;
4287
4288 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4289 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4290 return NULL;
4291 }
4292
4293 in[OPT_LEN_MAX] = '\0';
4294 strncpy(in, opt, OPT_LEN_MAX);
4295
4296 while (*inptr && nchr > 0) {
4297 if (inptr[0] == '$' && inptr[1] == '{') {
4298 ch2 = strchr(inptr, '}');
4299 if (ch2 && inptr+1 < ch2) {
4300 ch1 = inptr+2;
4301 inptr = ch2+1;
4302 *ch2 = '\0';
4303
4304 env = getenv(ch1);
4305 if (env) {
4306 envlen = strlen(env);
4307 if (envlen <= nchr) {
4308 memcpy(outptr, env, envlen);
4309 outptr += envlen;
4310 nchr -= envlen;
4311 }
4312 }
4313
4314 continue;
4315 }
4316 }
4317
4318 *outptr++ = *inptr++;
4319 --nchr;
4320 }
4321
4322 *outptr = '\0';
4323 return strdup(out);
892a6ffc
JA		 4324}
4325
74929ac2
JA		 4326/*
4327 * Look for reserved variable names and replace them with real values
4328 */
4329static char *fio_keyword_replace(char *opt)
4330{
4331 char *s;
4332 int i;
d0c814ec 4333 int docalc = 0;
74929ac2
JA		 4334
4335 for (i = 0; fio_keywords[i].word != NULL; i++) {
4336 struct fio_keyword *kw = &fio_keywords[i];
4337
4338 while ((s = strstr(opt, kw->word)) != NULL) {
4339 char *new = malloc(strlen(opt) + 1);
4340 char *o_org = opt;
4341 int olen = s - opt;
4342 int len;
4343
4344 /*
4345 * Copy part of the string before the keyword and
4346 * sprintf() the replacement after it.
4347 */
4348 memcpy(new, opt, olen);
4349 len = sprintf(new + olen, "%s", kw->replace);
4350
4351 /*
4352 * If there's more in the original string, copy that
4353 * in too
4354 */
4355 opt += strlen(kw->word) + olen;
4356 if (strlen(opt))
4357 memcpy(new + olen + len, opt, opt - o_org - 1);
4358
4359 /*
4360 * replace opt and free the old opt
4361 */
4362 opt = new;
d0c814ec 4363 free(o_org);
7a958bd5 4364
d0c814ec 4365 docalc = 1;
74929ac2
JA		 4366 }
4367 }
4368
d0c814ec
SL		 4369 /*
4370 * Check for potential math and invoke bc, if possible
4371 */
4372 if (docalc)
4373 opt = bc_calc(opt);
4374
7a958bd5 4375 return opt;
74929ac2
JA		 4376}
4377
d0c814ec
SL		 4378static char **dup_and_sub_options(char **opts, int num_opts)
4379{
4380 int i;
4381 char **opts_copy = malloc(num_opts * sizeof(*opts));
4382 for (i = 0; i < num_opts; i++) {
4383 opts_copy[i] = option_dup_subs(opts[i]);
4384 if (!opts_copy[i])
4385 continue;
4386 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4387 }
4388 return opts_copy;
4389}
4390
e15b023b 4391static void show_closest_option(const char *opt)
a2d027b9
JA		 4392{
4393 int best_option, best_distance;
4394 int i, distance;
e15b023b
JA		 4395 char *name;
4396
4397 if (!strlen(opt))
4398 return;
4399
4400 name = strdup(opt);
4401 i = 0;
4402 while (name[i] != '\0' && name[i] != '=')
4403 i++;
4404 name[i] = '\0';
a2d027b9
JA		 4405
4406 best_option = -1;
4407 best_distance = INT_MAX;
4408 i = 0;
4409 while (fio_options[i].name) {
4410 distance = string_distance(name, fio_options[i].name);
4411 if (distance < best_distance) {
4412 best_distance = distance;
4413 best_option = i;
4414 }
4415 i++;
4416 }
4417
75e6bcba
JA		 4418 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4419 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4420 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4421
4422 free(name);
a2d027b9
JA		 4423}
4424
c2292325 4425int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4426{
de890a1e 4427 int i, ret, unknown;
d0c814ec 4428 char **opts_copy;
3b8b7135 4429
9af4a244 4430 sort_options(opts, fio_options, num_opts);
d0c814ec 4431 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4432
de890a1e
SL		 4433 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4434 struct fio_option *o;
9af4a244 4435 int newret = parse_option(opts_copy[i], opts[i], fio_options,
66e19a38 4436 &o, td, &td->opt_list);
d0c814ec 4437
a8523a6a
JA		 4438 if (!newret && o)
4439 fio_option_mark_set(&td->o, o);
4440
de890a1e
SL		 4441 if (opts_copy[i]) {
4442 if (newret && !o) {
4443 unknown++;
4444 continue;
4445 }
d0c814ec 4446 free(opts_copy[i]);
de890a1e
SL		 4447 opts_copy[i] = NULL;
4448 }
4449
4450 ret |= newret;
4451 }
4452
4453 if (unknown) {
4454 ret |= ioengine_load(td);
4455 if (td->eo) {
4456 sort_options(opts_copy, td->io_ops->options, num_opts);
4457 opts = opts_copy;
4458 }
4459 for (i = 0; i < num_opts; i++) {
4460 struct fio_option *o = NULL;
4461 int newret = 1;
a2d027b9 4462
de890a1e
SL		 4463 if (!opts_copy[i])
4464 continue;
4465
4466 if (td->eo)
4467 newret = parse_option(opts_copy[i], opts[i],
4468 td->io_ops->options, &o,
66e19a38 4469 td->eo, &td->opt_list);
de890a1e
SL		 4470
4471 ret |= newret;
a2d027b9 4472 if (!o) {
de890a1e 4473 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4474 show_closest_option(opts[i]);
4475 }
de890a1e
SL		 4476 free(opts_copy[i]);
4477 opts_copy[i] = NULL;
4478 }
74929ac2 4479 }
3b8b7135 4480
d0c814ec 4481 free(opts_copy);
3b8b7135 4482 return ret;
214e1eca
JA		 4483}
4484
4485int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4486{
a8523a6a
JA		 4487 int ret;
4488
d8b4f395 4489 ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list);
a8523a6a
JA		 4490 if (!ret) {
4491 struct fio_option *o;
4492
4493 o = find_option(fio_options, opt);
4494 if (o)
4495 fio_option_mark_set(&td->o, o);
4496 }
4497
4498 return ret;
214e1eca
JA		 4499}
4500
de890a1e
SL		 4501int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4502 char *val)
4503{
d8b4f395
JA		 4504 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4505 &td->opt_list);
de890a1e
SL		 4506}
4507
214e1eca
JA		 4508void fio_fill_default_options(struct thread_data *td)
4509{
cb1402d6 4510 td->o.magic = OPT_MAGIC;
9af4a244 4511 fill_default_options(td, fio_options);
214e1eca
JA		 4512}
4513
4514int fio_show_option_help(const char *opt)
4515{
9af4a244 4516 return show_cmd_help(fio_options, opt);
214e1eca 4517}
d23bb327 4518
de890a1e 4519void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 4520{
de890a1e 4521 struct fio_option *o;
d23bb327 4522 char **ptr;
d23bb327 4523
de890a1e
SL		 4524 for (o = &options[0]; o->name; o++) {
4525 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 4526 continue;
4527
f0fdbcaf 4528 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 4529 if (*ptr)
4530 *ptr = strdup(*ptr);
d23bb327
JA		 4531 }
4532}
4533
de890a1e
SL		 4534/*
4535 * dupe FIO_OPT_STR_STORE options
4536 */
4537void fio_options_mem_dupe(struct thread_data *td)
4538{
9af4a244 4539 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 4540
4541 if (td->eo && td->io_ops) {
de890a1e 4542 void *oldeo = td->eo;
1647f592 4543
de890a1e
SL		 4544 td->eo = malloc(td->io_ops->option_struct_size);
4545 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4546 options_mem_dupe(td->eo, td->io_ops->options);
4547 }
4548}
4549
d6978a32
JA		 4550unsigned int fio_get_kb_base(void *data)
4551{
83ea422a 4552 struct thread_options *o = data;
d6978a32
JA		 4553 unsigned int kb_base = 0;
4554
cb1402d6
JA		 4555 /*
4556 * This is a hack... For private options, *data is not holding
4557 * a pointer to the thread_options, but to private data. This means
4558 * we can't safely dereference it, but magic is first so mem wise
4559 * it is valid. But this also means that if the job first sets
4560 * kb_base and expects that to be honored by private options,
4561 * it will be disappointed. We will return the global default
4562 * for this.
4563 */
4564 if (o && o->magic == OPT_MAGIC)
83ea422a 4565 kb_base = o->kb_base;
d6978a32
JA		 4566 if (!kb_base)
4567 kb_base = 1024;
4568
4569 return kb_base;
4570}
9f988e2e 4571
07b3232d 4572int add_option(struct fio_option *o)
9f988e2e 4573{
07b3232d
JA		 4574 struct fio_option *__o;
4575 int opt_index = 0;
4576
9af4a244 4577 __o = fio_options;
07b3232d
JA		 4578 while (__o->name) {
4579 opt_index++;
4580 __o++;
4581 }
4582
7b504edd
JA		 4583 if (opt_index + 1 == FIO_MAX_OPTS) {
4584 log_err("fio: FIO_MAX_OPTS is too small\n");
4585 return 1;
4586 }
4587
9af4a244 4588 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4589 fio_options[opt_index + 1].name = NULL;
07b3232d 4590 return 0;
9f988e2e 4591}
e2de69da 4592
07b3232d 4593void invalidate_profile_options(const char *prof_name)
e2de69da 4594{
07b3232d 4595 struct fio_option *o;
e2de69da 4596
9af4a244 4597 o = fio_options;
07b3232d
JA		 4598 while (o->name) {
4599 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4600 o->type = FIO_OPT_INVALID;
4601 o->prof_name = NULL;
4602 }
4603 o++;
e2de69da
JA		 4604 }
4605}
f5b6bb85
JA		 4606
4607void add_opt_posval(const char *optname, const char *ival, const char *help)
4608{
4609 struct fio_option *o;
4610 unsigned int i;
4611
9af4a244 4612 o = find_option(fio_options, optname);
f5b6bb85
JA		 4613 if (!o)
4614 return;
4615
4616 for (i = 0; i < PARSE_MAX_VP; i++) {
4617 if (o->posval[i].ival)
4618 continue;
4619
4620 o->posval[i].ival = ival;
4621 o->posval[i].help = help;
4622 break;
4623 }
4624}
4625
4626void del_opt_posval(const char *optname, const char *ival)
4627{
4628 struct fio_option *o;
4629 unsigned int i;
4630
9af4a244 4631 o = find_option(fio_options, optname);
f5b6bb85
JA		 4632 if (!o)
4633 return;
4634
4635 for (i = 0; i < PARSE_MAX_VP; i++) {
4636 if (!o->posval[i].ival)
4637 continue;
4638 if (strcmp(o->posval[i].ival, ival))
4639 continue;
4640
4641 o->posval[i].ival = NULL;
4642 o->posval[i].help = NULL;
4643 }
4644}
7e356b2d
JA		 4645
4646void fio_options_free(struct thread_data *td)
4647{
9af4a244 4648 options_free(fio_options, td);
de890a1e
SL		 4649 if (td->eo && td->io_ops && td->io_ops->options) {
4650 options_free(td->io_ops->options, td->eo);
4651 free(td->eo);
4652 td->eo = NULL;
4653 }
7e356b2d 4654}
c504ee55
JA		 4655
4656struct fio_option *fio_option_find(const char *name)
4657{
4658 return find_option(fio_options, name);
4659}
4660
f0e7f45a
JA		 4661static struct fio_option *find_next_opt(struct thread_options *o,
4662 struct fio_option *from,
4663 unsigned int off1)
a8523a6a 4664{
f0e7f45a 4665 struct fio_option *opt;
a8523a6a 4666
f0e7f45a
JA		 4667 if (!from)
4668 from = &fio_options[0];
4669 else
4670 from++;
4671
4672 opt = NULL;
4673 do {
4674 if (off1 == from->off1) {
4675 opt = from;
a8523a6a
JA		 4676 break;
4677 }
f0e7f45a
JA		 4678 from++;
4679 } while (from->name);
a8523a6a 4680
f0e7f45a
JA		 4681 return opt;
4682}
4683
4684static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4685{
4686 unsigned int opt_off, index, offset;
a8523a6a
JA		 4687
4688 opt_off = opt - &fio_options[0];
4689 index = opt_off / (8 * sizeof(uint64_t));
4690 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4691 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 4692}
4693
72f39748 4694bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 4695{
4696 struct fio_option *opt, *next;
4697
4698 next = NULL;
4699 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4700 if (opt_is_set(o, opt))
72f39748 4701 return true;
f0e7f45a
JA		 4702
4703 next = opt;
4704 }
4705
72f39748 4706 return false;
f0e7f45a
JA		 4707}
4708
a8523a6a
JA		 4709void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4710{
4711 unsigned int opt_off, index, offset;
4712
4713 opt_off = opt - &fio_options[0];
4714 index = opt_off / (8 * sizeof(uint64_t));
4715 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4716 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 4717}
fio - Flexible IO Tester