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[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" };
8b28bd41
DM		 261 int i = 0, num = sizeof(err) / sizeof(void *);
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
JA		 2192#else
2193 .name = "fadvise_stream",
2194 .lname = "Fadvise stream",
2195 .type = FIO_OPT_UNSUPPORTED,
2196 .help = "Your platform does not support fadvise stream ID",
2197 },
37659335 2198#endif
214e1eca
JA		 2199 {
2200 .name = "fsync",
e8b0e958 2201 .lname = "Fsync",
214e1eca
JA		 2202 .type = FIO_OPT_INT,
2203 .off1 = td_var_offset(fsync_blocks),
2204 .help = "Issue fsync for writes every given number of blocks",
2205 .def = "0",
20eb06bd 2206 .interval = 1,
e8b0e958
JA		 2207 .category = FIO_OPT_C_FILE,
2208 .group = FIO_OPT_G_INVALID,
214e1eca 2209 },
5f9099ea
JA		 2210 {
2211 .name = "fdatasync",
e8b0e958 2212 .lname = "Fdatasync",
5f9099ea
JA		 2213 .type = FIO_OPT_INT,
2214 .off1 = td_var_offset(fdatasync_blocks),
2215 .help = "Issue fdatasync for writes every given number of blocks",
2216 .def = "0",
20eb06bd 2217 .interval = 1,
e8b0e958
JA		 2218 .category = FIO_OPT_C_FILE,
2219 .group = FIO_OPT_G_INVALID,
5f9099ea 2220 },
1ef2b6be
JA		 2221 {
2222 .name = "write_barrier",
e8b0e958 2223 .lname = "Write barrier",
1ef2b6be
JA		 2224 .type = FIO_OPT_INT,
2225 .off1 = td_var_offset(barrier_blocks),
2226 .help = "Make every Nth write a barrier write",
2227 .def = "0",
20eb06bd 2228 .interval = 1,
e8b0e958
JA		 2229 .category = FIO_OPT_C_IO,
2230 .group = FIO_OPT_G_INVALID,
1ef2b6be 2231 },
67bf9823 2232#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2233 {
2234 .name = "sync_file_range",
e8b0e958 2235 .lname = "Sync file range",
44f29692
JA		 2236 .posval = {
2237 { .ival = "wait_before",
2238 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2239 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2240 .orval = 1,
44f29692
JA		 2241 },
2242 { .ival = "write",
2243 .oval = SYNC_FILE_RANGE_WRITE,
2244 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2245 .orval = 1,
44f29692
JA		 2246 },
2247 {
2248 .ival = "wait_after",
2249 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2250 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2251 .orval = 1,
44f29692
JA		 2252 },
2253 },
3843deb3 2254 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2255 .cb = str_sfr_cb,
2256 .off1 = td_var_offset(sync_file_range),
2257 .help = "Use sync_file_range()",
e8b0e958
JA		 2258 .category = FIO_OPT_C_FILE,
2259 .group = FIO_OPT_G_INVALID,
44f29692 2260 },
a275c37a
JA		 2261#else
2262 .name = "sync_file_range",
2263 .lname = "Sync file range",
2264 .type = FIO_OPT_UNSUPPORTED,
2265 .help = "Your platform does not support sync_file_range",
2266 },
44f29692 2267#endif
214e1eca
JA		 2268 {
2269 .name = "direct",
e8b0e958 2270 .lname = "Direct I/O",
214e1eca
JA		 2271 .type = FIO_OPT_BOOL,
2272 .off1 = td_var_offset(odirect),
2273 .help = "Use O_DIRECT IO (negates buffered)",
2274 .def = "0",
a01a1bc5 2275 .inverse = "buffered",
e8b0e958 2276 .category = FIO_OPT_C_IO,
3ceb458f 2277 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2278 },
d01612f3
CM		 2279 {
2280 .name = "atomic",
2281 .lname = "Atomic I/O",
2282 .type = FIO_OPT_BOOL,
2283 .off1 = td_var_offset(oatomic),
2284 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2285 .def = "0",
2286 .category = FIO_OPT_C_IO,
2287 .group = FIO_OPT_G_IO_TYPE,
2288 },
214e1eca
JA		 2289 {
2290 .name = "buffered",
e8b0e958 2291 .lname = "Buffered I/O",
214e1eca
JA		 2292 .type = FIO_OPT_BOOL,
2293 .off1 = td_var_offset(odirect),
2294 .neg = 1,
2295 .help = "Use buffered IO (negates direct)",
2296 .def = "1",
a01a1bc5 2297 .inverse = "direct",
e8b0e958 2298 .category = FIO_OPT_C_IO,
3ceb458f 2299 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2300 },
2301 {
2302 .name = "overwrite",
e8b0e958 2303 .lname = "Overwrite",
214e1eca
JA		 2304 .type = FIO_OPT_BOOL,
2305 .off1 = td_var_offset(overwrite),
2306 .help = "When writing, set whether to overwrite current data",
2307 .def = "0",
e8b0e958
JA		 2308 .category = FIO_OPT_C_FILE,
2309 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2310 },
2311 {
2312 .name = "loops",
e8b0e958 2313 .lname = "Loops",
214e1eca
JA		 2314 .type = FIO_OPT_INT,
2315 .off1 = td_var_offset(loops),
2316 .help = "Number of times to run the job",
2317 .def = "1",
20eb06bd 2318 .interval = 1,
e8b0e958 2319 .category = FIO_OPT_C_GENERAL,
a1f6afec 2320 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2321 },
2322 {
2323 .name = "numjobs",
e8b0e958 2324 .lname = "Number of jobs",
214e1eca
JA		 2325 .type = FIO_OPT_INT,
2326 .off1 = td_var_offset(numjobs),
2327 .help = "Duplicate this job this many times",
2328 .def = "1",
20eb06bd 2329 .interval = 1,
e8b0e958 2330 .category = FIO_OPT_C_GENERAL,
a1f6afec 2331 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2332 },
2333 {
2334 .name = "startdelay",
e8b0e958 2335 .lname = "Start delay",
a5737c93 2336 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2337 .off1 = td_var_offset(start_delay),
23ed19b0 2338 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2339 .help = "Only start job when this period has passed",
2340 .def = "0",
0de5b26f 2341 .is_seconds = 1,
88038bc7 2342 .is_time = 1,
e8b0e958 2343 .category = FIO_OPT_C_GENERAL,
a1f6afec 2344 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2345 },
2346 {
2347 .name = "runtime",
e8b0e958 2348 .lname = "Runtime",
214e1eca
JA		 2349 .alias = "timeout",
2350 .type = FIO_OPT_STR_VAL_TIME,
2351 .off1 = td_var_offset(timeout),
2352 .help = "Stop workload when this amount of time has passed",
2353 .def = "0",
0de5b26f 2354 .is_seconds = 1,
88038bc7 2355 .is_time = 1,
e8b0e958 2356 .category = FIO_OPT_C_GENERAL,
a1f6afec 2357 .group = FIO_OPT_G_RUNTIME,
214e1eca 2358 },
cf4464ca
JA		 2359 {
2360 .name = "time_based",
e8b0e958 2361 .lname = "Time based",
cf4464ca
JA		 2362 .type = FIO_OPT_STR_SET,
2363 .off1 = td_var_offset(time_based),
2364 .help = "Keep running until runtime/timeout is met",
e8b0e958 2365 .category = FIO_OPT_C_GENERAL,
a1f6afec 2366 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2367 },
62167762
JC		 2368 {
2369 .name = "verify_only",
2370 .lname = "Verify only",
2371 .type = FIO_OPT_STR_SET,
2372 .off1 = td_var_offset(verify_only),
2373 .help = "Verifies previously written data is still valid",
2374 .category = FIO_OPT_C_GENERAL,
2375 .group = FIO_OPT_G_RUNTIME,
2376 },
721938ae
JA		 2377 {
2378 .name = "ramp_time",
e8b0e958 2379 .lname = "Ramp time",
721938ae
JA		 2380 .type = FIO_OPT_STR_VAL_TIME,
2381 .off1 = td_var_offset(ramp_time),
2382 .help = "Ramp up time before measuring performance",
0de5b26f 2383 .is_seconds = 1,
88038bc7 2384 .is_time = 1,
e8b0e958 2385 .category = FIO_OPT_C_GENERAL,
a1f6afec 2386 .group = FIO_OPT_G_RUNTIME,
721938ae 2387 },
c223da83
JA		 2388 {
2389 .name = "clocksource",
e8b0e958 2390 .lname = "Clock source",
c223da83
JA		 2391 .type = FIO_OPT_STR,
2392 .cb = fio_clock_source_cb,
2393 .off1 = td_var_offset(clocksource),
2394 .help = "What type of timing source to use",
e8b0e958 2395 .category = FIO_OPT_C_GENERAL,
10860056 2396 .group = FIO_OPT_G_CLOCK,
c223da83 2397 .posval = {
67bf9823 2398#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2399 { .ival = "gettimeofday",
2400 .oval = CS_GTOD,
2401 .help = "Use gettimeofday(2) for timing",
2402 },
67bf9823
JA		 2403#endif
2404#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2405 { .ival = "clock_gettime",
2406 .oval = CS_CGETTIME,
2407 .help = "Use clock_gettime(2) for timing",
2408 },
67bf9823 2409#endif
c223da83
JA		 2410#ifdef ARCH_HAVE_CPU_CLOCK
2411 { .ival = "cpu",
2412 .oval = CS_CPUCLOCK,
2413 .help = "Use CPU private clock",
2414 },
2415#endif
2416 },
2417 },
214e1eca
JA		 2418 {
2419 .name = "mem",
d3aad8f2 2420 .alias = "iomem",
e8b0e958 2421 .lname = "I/O Memory",
214e1eca
JA		 2422 .type = FIO_OPT_STR,
2423 .cb = str_mem_cb,
2424 .off1 = td_var_offset(mem_type),
2425 .help = "Backing type for IO buffers",
2426 .def = "malloc",
e8b0e958
JA		 2427 .category = FIO_OPT_C_IO,
2428 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2429 .posval = {
2430 { .ival = "malloc",
2431 .oval = MEM_MALLOC,
2432 .help = "Use malloc(3) for IO buffers",
2433 },
c8931876 2434#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2435 { .ival = "shm",
2436 .oval = MEM_SHM,
2437 .help = "Use shared memory segments for IO buffers",
2438 },
214e1eca
JA		 2439#ifdef FIO_HAVE_HUGETLB
2440 { .ival = "shmhuge",
2441 .oval = MEM_SHMHUGE,
2442 .help = "Like shm, but use huge pages",
2443 },
c8931876 2444#endif
b370e46a 2445#endif
37c8cdfe
JA		 2446 { .ival = "mmap",
2447 .oval = MEM_MMAP,
2448 .help = "Use mmap(2) (file or anon) for IO buffers",
2449 },
217b0f1d
LG		 2450 { .ival = "mmapshared",
2451 .oval = MEM_MMAPSHARED,
2452 .help = "Like mmap, but use the shared flag",
2453 },
214e1eca
JA		 2454#ifdef FIO_HAVE_HUGETLB
2455 { .ival = "mmaphuge",
2456 .oval = MEM_MMAPHUGE,
2457 .help = "Like mmap, but use huge pages",
2458 },
2459#endif
2460 },
2461 },
d529ee19
JA		 2462 {
2463 .name = "iomem_align",
2464 .alias = "mem_align",
e8b0e958 2465 .lname = "I/O memory alignment",
d529ee19
JA		 2466 .type = FIO_OPT_INT,
2467 .off1 = td_var_offset(mem_align),
2468 .minval = 0,
2469 .help = "IO memory buffer offset alignment",
2470 .def = "0",
2471 .parent = "iomem",
d71c154c 2472 .hide = 1,
e8b0e958
JA		 2473 .category = FIO_OPT_C_IO,
2474 .group = FIO_OPT_G_INVALID,
d529ee19 2475 },
214e1eca
JA		 2476 {
2477 .name = "verify",
e8b0e958 2478 .lname = "Verify",
214e1eca
JA		 2479 .type = FIO_OPT_STR,
2480 .off1 = td_var_offset(verify),
2481 .help = "Verify data written",
2482 .def = "0",
e8b0e958 2483 .category = FIO_OPT_C_IO,
3ceb458f 2484 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2485 .posval = {
2486 { .ival = "0",
2487 .oval = VERIFY_NONE,
2488 .help = "Don't do IO verification",
2489 },
fcca4b58
JA		 2490 { .ival = "md5",
2491 .oval = VERIFY_MD5,
2492 .help = "Use md5 checksums for verification",
2493 },
d77a7af3
JA		 2494 { .ival = "crc64",
2495 .oval = VERIFY_CRC64,
2496 .help = "Use crc64 checksums for verification",
2497 },
214e1eca
JA		 2498 { .ival = "crc32",
2499 .oval = VERIFY_CRC32,
2500 .help = "Use crc32 checksums for verification",
2501 },
af497e6a 2502 { .ival = "crc32c-intel",
e3aaafc4
JA		 2503 .oval = VERIFY_CRC32C,
2504 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2505 },
bac39e0e
JA		 2506 { .ival = "crc32c",
2507 .oval = VERIFY_CRC32C,
e3aaafc4 2508 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2509 },
969f7ed3
JA		 2510 { .ival = "crc16",
2511 .oval = VERIFY_CRC16,
2512 .help = "Use crc16 checksums for verification",
2513 },
1e154bdb
JA		 2514 { .ival = "crc7",
2515 .oval = VERIFY_CRC7,
2516 .help = "Use crc7 checksums for verification",
2517 },
7c353ceb
JA		 2518 { .ival = "sha1",
2519 .oval = VERIFY_SHA1,
2520 .help = "Use sha1 checksums for verification",
2521 },
cd14cc10
JA		 2522 { .ival = "sha256",
2523 .oval = VERIFY_SHA256,
2524 .help = "Use sha256 checksums for verification",
2525 },
2526 { .ival = "sha512",
2527 .oval = VERIFY_SHA512,
2528 .help = "Use sha512 checksums for verification",
2529 },
844ea602
JA		 2530 { .ival = "xxhash",
2531 .oval = VERIFY_XXHASH,
2532 .help = "Use xxhash checksums for verification",
2533 },
b638d82f
RP		 2534 /* Meta information was included into verify_header,
2535 * 'meta' verification is implied by default. */
7437ee87 2536 { .ival = "meta",
b638d82f
RP		 2537 .oval = VERIFY_HDR_ONLY,
2538 .help = "Use io information for verification. "
2539 "Now is implied by default, thus option is obsolete, "
2540 "don't use it",
7437ee87 2541 },
59245381
JA		 2542 { .ival = "pattern",
2543 .oval = VERIFY_PATTERN_NO_HDR,
2544 .help = "Verify strict pattern",
2545 },
36690c9b
JA		 2546 {
2547 .ival = "null",
2548 .oval = VERIFY_NULL,
2549 .help = "Pretend to verify",
2550 },
214e1eca
JA		 2551 },
2552 },
005c565a
JA		 2553 {
2554 .name = "do_verify",
e8b0e958 2555 .lname = "Perform verify step",
68e1f29a 2556 .type = FIO_OPT_BOOL,
005c565a
JA		 2557 .off1 = td_var_offset(do_verify),
2558 .help = "Run verification stage after write",
2559 .def = "1",
2560 .parent = "verify",
d71c154c 2561 .hide = 1,
e8b0e958
JA		 2562 .category = FIO_OPT_C_IO,
2563 .group = FIO_OPT_G_VERIFY,
005c565a 2564 },
160b966d
JA		 2565 {
2566 .name = "verifysort",
e8b0e958 2567 .lname = "Verify sort",
160b966d
JA		 2568 .type = FIO_OPT_BOOL,
2569 .off1 = td_var_offset(verifysort),
2570 .help = "Sort written verify blocks for read back",
2571 .def = "1",
c83f2df1 2572 .parent = "verify",
d71c154c 2573 .hide = 1,
e8b0e958
JA		 2574 .category = FIO_OPT_C_IO,
2575 .group = FIO_OPT_G_VERIFY,
160b966d 2576 },
1ae83d45
JA		 2577 {
2578 .name = "verifysort_nr",
cce2fdfe 2579 .lname = "Verify Sort Nr",
1ae83d45
JA		 2580 .type = FIO_OPT_INT,
2581 .off1 = td_var_offset(verifysort_nr),
2582 .help = "Pre-load and sort verify blocks for a read workload",
2583 .minval = 0,
2584 .maxval = 131072,
2585 .def = "1024",
2586 .parent = "verify",
836fcc0f
JA		 2587 .category = FIO_OPT_C_IO,
2588 .group = FIO_OPT_G_VERIFY,
1ae83d45 2589 },
3f9f4e26 2590 {
a59e170d 2591 .name = "verify_interval",
e8b0e958 2592 .lname = "Verify interval",
e01b22b8 2593 .type = FIO_OPT_INT,
a59e170d 2594 .off1 = td_var_offset(verify_interval),
819a9680 2595 .minval = 2 * sizeof(struct verify_header),
a59e170d 2596 .help = "Store verify buffer header every N bytes",
afdf9352 2597 .parent = "verify",
d71c154c 2598 .hide = 1,
20eb06bd 2599 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2600 .category = FIO_OPT_C_IO,
2601 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2602 },
546a9142 2603 {
a59e170d 2604 .name = "verify_offset",
e8b0e958 2605 .lname = "Verify offset",
e01b22b8 2606 .type = FIO_OPT_INT,
a59e170d 2607 .help = "Offset verify header location by N bytes",
203160d5
JA		 2608 .off1 = td_var_offset(verify_offset),
2609 .minval = sizeof(struct verify_header),
afdf9352 2610 .parent = "verify",
d71c154c 2611 .hide = 1,
e8b0e958
JA		 2612 .category = FIO_OPT_C_IO,
2613 .group = FIO_OPT_G_VERIFY,
546a9142 2614 },
e28218f3
SL		 2615 {
2616 .name = "verify_pattern",
e8b0e958 2617 .lname = "Verify pattern",
0e92f873 2618 .type = FIO_OPT_STR,
e28218f3 2619 .cb = str_verify_pattern_cb,
a8523a6a 2620 .off1 = td_var_offset(verify_pattern),
e28218f3
SL		 2621 .help = "Fill pattern for IO buffers",
2622 .parent = "verify",
d71c154c 2623 .hide = 1,
e8b0e958
JA		 2624 .category = FIO_OPT_C_IO,
2625 .group = FIO_OPT_G_VERIFY,
e28218f3 2626 },
a12a3b4d
JA		 2627 {
2628 .name = "verify_fatal",
e8b0e958 2629 .lname = "Verify fatal",
68e1f29a 2630 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2631 .off1 = td_var_offset(verify_fatal),
2632 .def = "0",
2633 .help = "Exit on a single verify failure, don't continue",
2634 .parent = "verify",
d71c154c 2635 .hide = 1,
e8b0e958
JA		 2636 .category = FIO_OPT_C_IO,
2637 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2638 },
b463e936
JA		 2639 {
2640 .name = "verify_dump",
e8b0e958 2641 .lname = "Verify dump",
b463e936
JA		 2642 .type = FIO_OPT_BOOL,
2643 .off1 = td_var_offset(verify_dump),
ef71e317 2644 .def = "0",
b463e936
JA		 2645 .help = "Dump contents of good and bad blocks on failure",
2646 .parent = "verify",
d71c154c 2647 .hide = 1,
e8b0e958
JA		 2648 .category = FIO_OPT_C_IO,
2649 .group = FIO_OPT_G_VERIFY,
b463e936 2650 },
e8462bd8
JA		 2651 {
2652 .name = "verify_async",
e8b0e958 2653 .lname = "Verify asynchronously",
e8462bd8
JA		 2654 .type = FIO_OPT_INT,
2655 .off1 = td_var_offset(verify_async),
2656 .def = "0",
2657 .help = "Number of async verifier threads to use",
2658 .parent = "verify",
d71c154c 2659 .hide = 1,
e8b0e958
JA		 2660 .category = FIO_OPT_C_IO,
2661 .group = FIO_OPT_G_VERIFY,
e8462bd8 2662 },
9e144189
JA		 2663 {
2664 .name = "verify_backlog",
e8b0e958 2665 .lname = "Verify backlog",
9e144189
JA		 2666 .type = FIO_OPT_STR_VAL,
2667 .off1 = td_var_offset(verify_backlog),
2668 .help = "Verify after this number of blocks are written",
2669 .parent = "verify",
d71c154c 2670 .hide = 1,
e8b0e958
JA		 2671 .category = FIO_OPT_C_IO,
2672 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2673 },
2674 {
2675 .name = "verify_backlog_batch",
e8b0e958 2676 .lname = "Verify backlog batch",
9e144189
JA		 2677 .type = FIO_OPT_INT,
2678 .off1 = td_var_offset(verify_batch),
2679 .help = "Verify this number of IO blocks",
0d29de83 2680 .parent = "verify",
d71c154c 2681 .hide = 1,
e8b0e958
JA		 2682 .category = FIO_OPT_C_IO,
2683 .group = FIO_OPT_G_VERIFY,
9e144189 2684 },
e8462bd8
JA		 2685#ifdef FIO_HAVE_CPU_AFFINITY
2686 {
2687 .name = "verify_async_cpus",
e8b0e958 2688 .lname = "Async verify CPUs",
e8462bd8
JA		 2689 .type = FIO_OPT_STR,
2690 .cb = str_verify_cpus_allowed_cb,
a8523a6a 2691 .off1 = td_var_offset(verify_cpumask),
e8462bd8
JA		 2692 .help = "Set CPUs allowed for async verify threads",
2693 .parent = "verify_async",
d71c154c 2694 .hide = 1,
e8b0e958
JA		 2695 .category = FIO_OPT_C_IO,
2696 .group = FIO_OPT_G_VERIFY,
e8462bd8 2697 },
a275c37a
JA		 2698#else
2699 {
2700 .name = "verify_async_cpus",
2701 .lname = "Async verify CPUs",
2702 .type = FIO_OPT_UNSUPPORTED,
2703 .help "Your platform does not support CPU affinities",
2704 },
0d29de83 2705#endif
51aa2da8
JA		 2706 {
2707 .name = "experimental_verify",
cce2fdfe 2708 .lname = "Experimental Verify",
51aa2da8
JA		 2709 .off1 = td_var_offset(experimental_verify),
2710 .type = FIO_OPT_BOOL,
b31eaac9 2711 .help = "Enable experimental verification",
ca09be4b
JA		 2712 .parent = "verify",
2713 .category = FIO_OPT_C_IO,
2714 .group = FIO_OPT_G_VERIFY,
2715 },
2716 {
2717 .name = "verify_state_load",
2718 .lname = "Load verify state",
2719 .off1 = td_var_offset(verify_state),
2720 .type = FIO_OPT_BOOL,
2721 .help = "Load verify termination state",
2722 .parent = "verify",
2723 .category = FIO_OPT_C_IO,
2724 .group = FIO_OPT_G_VERIFY,
2725 },
2726 {
2727 .name = "verify_state_save",
2728 .lname = "Save verify state",
2729 .off1 = td_var_offset(verify_state_save),
2730 .type = FIO_OPT_BOOL,
2731 .def = "1",
2732 .help = "Save verify state on termination",
2733 .parent = "verify",
836fcc0f
JA		 2734 .category = FIO_OPT_C_IO,
2735 .group = FIO_OPT_G_VERIFY,
51aa2da8 2736 },
0d29de83
JA		 2737#ifdef FIO_HAVE_TRIM
2738 {
2739 .name = "trim_percentage",
e8b0e958 2740 .lname = "Trim percentage",
0d29de83 2741 .type = FIO_OPT_INT,
203160d5 2742 .off1 = td_var_offset(trim_percentage),
20eb06bd 2743 .minval = 0,
0d29de83
JA		 2744 .maxval = 100,
2745 .help = "Number of verify blocks to discard/trim",
2746 .parent = "verify",
2747 .def = "0",
20eb06bd 2748 .interval = 1,
d71c154c 2749 .hide = 1,
e8b0e958
JA		 2750 .category = FIO_OPT_C_IO,
2751 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2752 },
2753 {
2754 .name = "trim_verify_zero",
e8b0e958 2755 .lname = "Verify trim zero",
20eb06bd 2756 .type = FIO_OPT_BOOL,
0d29de83
JA		 2757 .help = "Verify that trim/discarded blocks are returned as zeroes",
2758 .off1 = td_var_offset(trim_zero),
2759 .parent = "trim_percentage",
d71c154c 2760 .hide = 1,
0d29de83 2761 .def = "1",
e8b0e958
JA		 2762 .category = FIO_OPT_C_IO,
2763 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2764 },
2765 {
2766 .name = "trim_backlog",
e8b0e958 2767 .lname = "Trim backlog",
0d29de83
JA		 2768 .type = FIO_OPT_STR_VAL,
2769 .off1 = td_var_offset(trim_backlog),
2770 .help = "Trim after this number of blocks are written",
2771 .parent = "trim_percentage",
d71c154c 2772 .hide = 1,
20eb06bd 2773 .interval = 1,
e8b0e958
JA		 2774 .category = FIO_OPT_C_IO,
2775 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2776 },
2777 {
2778 .name = "trim_backlog_batch",
e8b0e958 2779 .lname = "Trim backlog batch",
0d29de83
JA		 2780 .type = FIO_OPT_INT,
2781 .off1 = td_var_offset(trim_batch),
2782 .help = "Trim this number of IO blocks",
2783 .parent = "trim_percentage",
d71c154c 2784 .hide = 1,
20eb06bd 2785 .interval = 1,
e8b0e958
JA		 2786 .category = FIO_OPT_C_IO,
2787 .group = FIO_OPT_G_TRIM,
0d29de83 2788 },
a275c37a
JA		 2789#else
2790 {
2791 .name = "trim_percentage",
2792 .lname = "Trim percentage",
2793 .type = FIO_OPT_UNSUPPORTED,
2794 .help = "Fio does not support TRIM on your platform",
2795 },
2796 {
2797 .name = "trim_verify_zero",
2798 .lname = "Verify trim zero",
2799 .type = FIO_OPT_UNSUPPORTED,
2800 .help = "Fio does not support TRIM on your platform",
2801 },
2802 {
2803 .name = "trim_backlog",
2804 .lname = "Trim backlog",
2805 .type = FIO_OPT_UNSUPPORTED,
2806 .help = "Fio does not support TRIM on your platform",
2807 },
2808 {
2809 .name = "trim_backlog_batch",
2810 .lname = "Trim backlog batch",
2811 .type = FIO_OPT_UNSUPPORTED,
2812 .help = "Fio does not support TRIM on your platform",
2813 },
e8462bd8 2814#endif
214e1eca
JA		 2815 {
2816 .name = "write_iolog",
e8b0e958 2817 .lname = "Write I/O log",
214e1eca
JA		 2818 .type = FIO_OPT_STR_STORE,
2819 .off1 = td_var_offset(write_iolog_file),
2820 .help = "Store IO pattern to file",
e8b0e958
JA		 2821 .category = FIO_OPT_C_IO,
2822 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2823 },
2824 {
2825 .name = "read_iolog",
e8b0e958 2826 .lname = "Read I/O log",
214e1eca
JA		 2827 .type = FIO_OPT_STR_STORE,
2828 .off1 = td_var_offset(read_iolog_file),
2829 .help = "Playback IO pattern from file",
e8b0e958
JA		 2830 .category = FIO_OPT_C_IO,
2831 .group = FIO_OPT_G_IOLOG,
214e1eca 2832 },
64bbb865
DN		 2833 {
2834 .name = "replay_no_stall",
e8b0e958 2835 .lname = "Don't stall on replay",
20eb06bd 2836 .type = FIO_OPT_BOOL,
64bbb865
DN		 2837 .off1 = td_var_offset(no_stall),
2838 .def = "0",
87e7a972 2839 .parent = "read_iolog",
d71c154c 2840 .hide = 1,
64bbb865 2841 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2842 .category = FIO_OPT_C_IO,
2843 .group = FIO_OPT_G_IOLOG,
64bbb865 2844 },
d1c46c04
DN		 2845 {
2846 .name = "replay_redirect",
e8b0e958 2847 .lname = "Redirect device for replay",
d1c46c04
DN		 2848 .type = FIO_OPT_STR_STORE,
2849 .off1 = td_var_offset(replay_redirect),
2850 .parent = "read_iolog",
d71c154c 2851 .hide = 1,
d1c46c04 2852 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2853 .category = FIO_OPT_C_IO,
2854 .group = FIO_OPT_G_IOLOG,
d1c46c04 2855 },
0c63576e
JA		 2856 {
2857 .name = "replay_scale",
2858 .lname = "Replace offset scale factor",
2859 .type = FIO_OPT_INT,
2860 .off1 = td_var_offset(replay_scale),
2861 .parent = "read_iolog",
2862 .def = "1",
2863 .help = "Align offsets to this blocksize",
2864 .category = FIO_OPT_C_IO,
2865 .group = FIO_OPT_G_IOLOG,
2866 },
2867 {
2868 .name = "replay_align",
2869 .lname = "Replace alignment",
2870 .type = FIO_OPT_INT,
2871 .off1 = td_var_offset(replay_align),
2872 .parent = "read_iolog",
2873 .help = "Scale offset down by this factor",
2874 .category = FIO_OPT_C_IO,
2875 .group = FIO_OPT_G_IOLOG,
2876 .pow2 = 1,
2877 },
214e1eca
JA		 2878 {
2879 .name = "exec_prerun",
e8b0e958 2880 .lname = "Pre-execute runnable",
214e1eca
JA		 2881 .type = FIO_OPT_STR_STORE,
2882 .off1 = td_var_offset(exec_prerun),
2883 .help = "Execute this file prior to running job",
e8b0e958
JA		 2884 .category = FIO_OPT_C_GENERAL,
2885 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2886 },
2887 {
2888 .name = "exec_postrun",
e8b0e958 2889 .lname = "Post-execute runnable",
214e1eca
JA		 2890 .type = FIO_OPT_STR_STORE,
2891 .off1 = td_var_offset(exec_postrun),
2892 .help = "Execute this file after running job",
e8b0e958
JA		 2893 .category = FIO_OPT_C_GENERAL,
2894 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2895 },
2896#ifdef FIO_HAVE_IOSCHED_SWITCH
2897 {
2898 .name = "ioscheduler",
e8b0e958 2899 .lname = "I/O scheduler",
214e1eca
JA		 2900 .type = FIO_OPT_STR_STORE,
2901 .off1 = td_var_offset(ioscheduler),
2902 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2903 .category = FIO_OPT_C_FILE,
2904 .group = FIO_OPT_G_INVALID,
214e1eca 2905 },
a275c37a
JA		 2906#else
2907 {
2908 .name = "ioscheduler",
2909 .lname = "I/O scheduler",
2910 .type = FIO_OPT_UNSUPPORTED,
2911 .help = "Your platform does not support IO scheduler switching",
2912 },
214e1eca
JA		 2913#endif
2914 {
2915 .name = "zonesize",
e8b0e958 2916 .lname = "Zone size",
214e1eca
JA		 2917 .type = FIO_OPT_STR_VAL,
2918 .off1 = td_var_offset(zone_size),
ed335855
SN		 2919 .help = "Amount of data to read per zone",
2920 .def = "0",
20eb06bd 2921 .interval = 1024 * 1024,
e8b0e958
JA		 2922 .category = FIO_OPT_C_IO,
2923 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2924 },
2925 {
2926 .name = "zonerange",
e8b0e958 2927 .lname = "Zone range",
ed335855
SN		 2928 .type = FIO_OPT_STR_VAL,
2929 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2930 .help = "Give size of an IO zone",
2931 .def = "0",
20eb06bd 2932 .interval = 1024 * 1024,
e8b0e958
JA		 2933 .category = FIO_OPT_C_IO,
2934 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2935 },
2936 {
2937 .name = "zoneskip",
e8b0e958 2938 .lname = "Zone skip",
214e1eca
JA		 2939 .type = FIO_OPT_STR_VAL,
2940 .off1 = td_var_offset(zone_skip),
2941 .help = "Space between IO zones",
2942 .def = "0",
20eb06bd 2943 .interval = 1024 * 1024,
e8b0e958
JA		 2944 .category = FIO_OPT_C_IO,
2945 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2946 },
2947 {
2948 .name = "lockmem",
e8b0e958 2949 .lname = "Lock memory",
214e1eca 2950 .type = FIO_OPT_STR_VAL,
1b79a070 2951 .off1 = td_var_offset(lockmem),
81c6b6cd 2952 .help = "Lock down this amount of memory (per worker)",
214e1eca 2953 .def = "0",
20eb06bd 2954 .interval = 1024 * 1024,
e8b0e958
JA		 2955 .category = FIO_OPT_C_GENERAL,
2956 .group = FIO_OPT_G_INVALID,
214e1eca 2957 },
214e1eca
JA		 2958 {
2959 .name = "rwmixread",
e8b0e958 2960 .lname = "Read/write mix read",
214e1eca 2961 .type = FIO_OPT_INT,
cb499fc4 2962 .cb = str_rwmix_read_cb,
a8523a6a 2963 .off1 = td_var_offset(rwmix[DDIR_READ]),
214e1eca
JA		 2964 .maxval = 100,
2965 .help = "Percentage of mixed workload that is reads",
2966 .def = "50",
20eb06bd 2967 .interval = 5,
90265353 2968 .inverse = "rwmixwrite",
e8b0e958
JA		 2969 .category = FIO_OPT_C_IO,
2970 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2971 },
2972 {
2973 .name = "rwmixwrite",
e8b0e958 2974 .lname = "Read/write mix write",
214e1eca 2975 .type = FIO_OPT_INT,
cb499fc4 2976 .cb = str_rwmix_write_cb,
a8523a6a 2977 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
214e1eca
JA		 2978 .maxval = 100,
2979 .help = "Percentage of mixed workload that is writes",
2980 .def = "50",
20eb06bd 2981 .interval = 5,
90265353 2982 .inverse = "rwmixread",
e8b0e958
JA		 2983 .category = FIO_OPT_C_IO,
2984 .group = FIO_OPT_G_RWMIX,
214e1eca 2985 },
afdf9352
JA		 2986 {
2987 .name = "rwmixcycle",
e8b0e958 2988 .lname = "Read/write mix cycle",
15ca150e 2989 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2990 .category = FIO_OPT_C_IO,
2991 .group = FIO_OPT_G_RWMIX,
afdf9352 2992 },
214e1eca
JA		 2993 {
2994 .name = "nice",
e8b0e958 2995 .lname = "Nice",
214e1eca
JA		 2996 .type = FIO_OPT_INT,
2997 .off1 = td_var_offset(nice),
2998 .help = "Set job CPU nice value",
2999 .minval = -19,
3000 .maxval = 20,
3001 .def = "0",
20eb06bd 3002 .interval = 1,
e8b0e958 3003 .category = FIO_OPT_C_GENERAL,
10860056 3004 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3005 },
3006#ifdef FIO_HAVE_IOPRIO
3007 {
3008 .name = "prio",
e8b0e958 3009 .lname = "I/O nice priority",
214e1eca 3010 .type = FIO_OPT_INT,
28727df7 3011 .off1 = td_var_offset(ioprio),
214e1eca
JA		 3012 .help = "Set job IO priority value",
3013 .minval = 0,
3014 .maxval = 7,
20eb06bd 3015 .interval = 1,
e8b0e958 3016 .category = FIO_OPT_C_GENERAL,
10860056 3017 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3018 },
3019 {
3020 .name = "prioclass",
e8b0e958 3021 .lname = "I/O nice priority class",
214e1eca 3022 .type = FIO_OPT_INT,
28727df7 3023 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 3024 .help = "Set job IO priority class",
3025 .minval = 0,
3026 .maxval = 3,
20eb06bd 3027 .interval = 1,
e8b0e958 3028 .category = FIO_OPT_C_GENERAL,
10860056 3029 .group = FIO_OPT_G_CRED,
214e1eca 3030 },
a275c37a
JA		 3031#else
3032 {
3033 .name = "prio",
3034 .lname = "I/O nice priority",
3035 .type = FIO_OPT_UNSUPPORTED,
3036 .help = "Your platform does not support IO priorities",
3037 },
3038 {
3039 .name = "prioclass",
3040 .lname = "I/O nice priority class",
3041 .type = FIO_OPT_UNSUPPORTED,
3042 .help = "Your platform does not support IO priorities",
3043 },
214e1eca
JA		 3044#endif
3045 {
3046 .name = "thinktime",
e8b0e958 3047 .lname = "Thinktime",
214e1eca
JA		 3048 .type = FIO_OPT_INT,
3049 .off1 = td_var_offset(thinktime),
3050 .help = "Idle time between IO buffers (usec)",
3051 .def = "0",
88038bc7 3052 .is_time = 1,
e8b0e958 3053 .category = FIO_OPT_C_IO,
3ceb458f 3054 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3055 },
3056 {
3057 .name = "thinktime_spin",
e8b0e958 3058 .lname = "Thinktime spin",
214e1eca
JA		 3059 .type = FIO_OPT_INT,
3060 .off1 = td_var_offset(thinktime_spin),
3061 .help = "Start think time by spinning this amount (usec)",
3062 .def = "0",
88038bc7 3063 .is_time = 1,
afdf9352 3064 .parent = "thinktime",
d71c154c 3065 .hide = 1,
e8b0e958 3066 .category = FIO_OPT_C_IO,
3ceb458f 3067 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3068 },
3069 {
3070 .name = "thinktime_blocks",
e8b0e958 3071 .lname = "Thinktime blocks",
214e1eca
JA		 3072 .type = FIO_OPT_INT,
3073 .off1 = td_var_offset(thinktime_blocks),
3074 .help = "IO buffer period between 'thinktime'",
3075 .def = "1",
afdf9352 3076 .parent = "thinktime",
d71c154c 3077 .hide = 1,
e8b0e958 3078 .category = FIO_OPT_C_IO,
3ceb458f 3079 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3080 },
3081 {
3082 .name = "rate",
e8b0e958 3083 .lname = "I/O rate",
e01b22b8 3084 .type = FIO_OPT_INT,
6eaf09d6
SL		 3085 .off1 = td_var_offset(rate[DDIR_READ]),
3086 .off2 = td_var_offset(rate[DDIR_WRITE]),
3087 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 3088 .help = "Set bandwidth rate",
e8b0e958
JA		 3089 .category = FIO_OPT_C_IO,
3090 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3091 },
3092 {
6d428bcd
JA		 3093 .name = "rate_min",
3094 .alias = "ratemin",
e8b0e958 3095 .lname = "I/O min rate",
e01b22b8 3096 .type = FIO_OPT_INT,
6eaf09d6
SL		 3097 .off1 = td_var_offset(ratemin[DDIR_READ]),
3098 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
3099 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 3100 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3101 .parent = "rate",
d71c154c 3102 .hide = 1,
e8b0e958
JA		 3103 .category = FIO_OPT_C_IO,
3104 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3105 },
3106 {
3107 .name = "rate_iops",
e8b0e958 3108 .lname = "I/O rate IOPS",
e01b22b8 3109 .type = FIO_OPT_INT,
6eaf09d6
SL		 3110 .off1 = td_var_offset(rate_iops[DDIR_READ]),
3111 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
3112 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 3113 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3114 .hide = 1,
e8b0e958
JA		 3115 .category = FIO_OPT_C_IO,
3116 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3117 },
3118 {
3119 .name = "rate_iops_min",
e8b0e958 3120 .lname = "I/O min rate IOPS",
e01b22b8 3121 .type = FIO_OPT_INT,
6eaf09d6
SL		 3122 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
3123 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
3124 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 3125 .help = "Job must meet this rate or it will be shut down",
afdf9352 3126 .parent = "rate_iops",
d71c154c 3127 .hide = 1,
e8b0e958
JA		 3128 .category = FIO_OPT_C_IO,
3129 .group = FIO_OPT_G_RATE,
214e1eca 3130 },
ff6bb260 3131 {
6de65959
JA		 3132 .name = "rate_process",
3133 .lname = "Rate Process",
3134 .type = FIO_OPT_STR,
3135 .off1 = td_var_offset(rate_process),
3136 .help = "What process controls how rated IO is managed",
3137 .def = "linear",
ff6bb260
SL		 3138 .category = FIO_OPT_C_IO,
3139 .group = FIO_OPT_G_RATE,
6de65959
JA		 3140 .posval = {
3141 { .ival = "linear",
3142 .oval = RATE_PROCESS_LINEAR,
3143 .help = "Linear rate of IO",
3144 },
3145 {
3146 .ival = "poisson",
3147 .oval = RATE_PROCESS_POISSON,
3148 .help = "Rate follows Poisson process",
3149 },
3150 },
3151 .parent = "rate",
ff6bb260 3152 },
214e1eca 3153 {
6d428bcd
JA		 3154 .name = "rate_cycle",
3155 .alias = "ratecycle",
e8b0e958 3156 .lname = "I/O rate cycle",
214e1eca
JA		 3157 .type = FIO_OPT_INT,
3158 .off1 = td_var_offset(ratecycle),
3159 .help = "Window average for rate limits (msec)",
3160 .def = "1000",
afdf9352 3161 .parent = "rate",
d71c154c 3162 .hide = 1,
e8b0e958
JA		 3163 .category = FIO_OPT_C_IO,
3164 .group = FIO_OPT_G_RATE,
214e1eca 3165 },
15501535
JA		 3166 {
3167 .name = "max_latency",
cce2fdfe 3168 .lname = "Max Latency",
15501535
JA		 3169 .type = FIO_OPT_INT,
3170 .off1 = td_var_offset(max_latency),
3171 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3172 .is_time = 1,
1e5324e7 3173 .category = FIO_OPT_C_IO,
3e260a46
JA		 3174 .group = FIO_OPT_G_LATPROF,
3175 },
3176 {
3177 .name = "latency_target",
3178 .lname = "Latency Target (usec)",
3179 .type = FIO_OPT_STR_VAL_TIME,
3180 .off1 = td_var_offset(latency_target),
3181 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3182 .is_time = 1,
3e260a46
JA		 3183 .category = FIO_OPT_C_IO,
3184 .group = FIO_OPT_G_LATPROF,
3185 },
3186 {
3187 .name = "latency_window",
3188 .lname = "Latency Window (usec)",
3189 .type = FIO_OPT_STR_VAL_TIME,
3190 .off1 = td_var_offset(latency_window),
3191 .help = "Time to sustain latency_target",
88038bc7 3192 .is_time = 1,
3e260a46
JA		 3193 .category = FIO_OPT_C_IO,
3194 .group = FIO_OPT_G_LATPROF,
3195 },
3196 {
3197 .name = "latency_percentile",
3198 .lname = "Latency Percentile",
3199 .type = FIO_OPT_FLOAT_LIST,
3200 .off1 = td_var_offset(latency_percentile),
3201 .help = "Percentile of IOs must be below latency_target",
3202 .def = "100",
3203 .maxlen = 1,
3204 .minfp = 0.0,
3205 .maxfp = 100.0,
3206 .category = FIO_OPT_C_IO,
3207 .group = FIO_OPT_G_LATPROF,
15501535 3208 },
214e1eca
JA		 3209 {
3210 .name = "invalidate",
e8b0e958 3211 .lname = "Cache invalidate",
214e1eca
JA		 3212 .type = FIO_OPT_BOOL,
3213 .off1 = td_var_offset(invalidate_cache),
3214 .help = "Invalidate buffer/page cache prior to running job",
3215 .def = "1",
e8b0e958 3216 .category = FIO_OPT_C_IO,
3ceb458f 3217 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3218 },
3219 {
3220 .name = "sync",
e8b0e958 3221 .lname = "Synchronous I/O",
214e1eca
JA		 3222 .type = FIO_OPT_BOOL,
3223 .off1 = td_var_offset(sync_io),
3224 .help = "Use O_SYNC for buffered writes",
3225 .def = "0",
67a1000f 3226 .parent = "buffered",
d71c154c 3227 .hide = 1,
e8b0e958 3228 .category = FIO_OPT_C_IO,
3ceb458f 3229 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3230 },
214e1eca
JA		 3231 {
3232 .name = "create_serialize",
e8b0e958 3233 .lname = "Create serialize",
214e1eca
JA		 3234 .type = FIO_OPT_BOOL,
3235 .off1 = td_var_offset(create_serialize),
3236 .help = "Serialize creating of job files",
3237 .def = "1",
e8b0e958
JA		 3238 .category = FIO_OPT_C_FILE,
3239 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3240 },
3241 {
3242 .name = "create_fsync",
e8b0e958 3243 .lname = "Create fsync",
214e1eca
JA		 3244 .type = FIO_OPT_BOOL,
3245 .off1 = td_var_offset(create_fsync),
03e20d68 3246 .help = "fsync file after creation",
214e1eca 3247 .def = "1",
e8b0e958
JA		 3248 .category = FIO_OPT_C_FILE,
3249 .group = FIO_OPT_G_INVALID,
214e1eca 3250 },
814452bd
JA		 3251 {
3252 .name = "create_on_open",
e8b0e958 3253 .lname = "Create on open",
814452bd
JA		 3254 .type = FIO_OPT_BOOL,
3255 .off1 = td_var_offset(create_on_open),
3256 .help = "Create files when they are opened for IO",
3257 .def = "0",
e8b0e958
JA		 3258 .category = FIO_OPT_C_FILE,
3259 .group = FIO_OPT_G_INVALID,
814452bd 3260 },
25460cf6
JA		 3261 {
3262 .name = "create_only",
cce2fdfe 3263 .lname = "Create Only",
25460cf6
JA		 3264 .type = FIO_OPT_BOOL,
3265 .off1 = td_var_offset(create_only),
3266 .help = "Only perform file creation phase",
d17fda71 3267 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3268 .def = "0",
3269 },
2378826d
JA		 3270 {
3271 .name = "allow_file_create",
e81ecca3 3272 .lname = "Allow file create",
2378826d
JA		 3273 .type = FIO_OPT_BOOL,
3274 .off1 = td_var_offset(allow_create),
3275 .help = "Permit fio to create files, if they don't exist",
3276 .def = "1",
3277 .category = FIO_OPT_C_FILE,
3278 .group = FIO_OPT_G_FILENAME,
3279 },
e81ecca3
JA		 3280 {
3281 .name = "allow_mounted_write",
3282 .lname = "Allow mounted write",
3283 .type = FIO_OPT_BOOL,
3284 .off1 = td_var_offset(allow_mounted_write),
3285 .help = "Allow writes to a mounted partition",
3286 .def = "0",
3287 .category = FIO_OPT_C_FILE,
3288 .group = FIO_OPT_G_FILENAME,
3289 },
0b9d69ec 3290 {
afad68f7 3291 .name = "pre_read",
e8b0e958 3292 .lname = "Pre-read files",
afad68f7
ZY		 3293 .type = FIO_OPT_BOOL,
3294 .off1 = td_var_offset(pre_read),
03e20d68 3295 .help = "Pre-read files before starting official testing",
afad68f7 3296 .def = "0",
e8b0e958
JA		 3297 .category = FIO_OPT_C_FILE,
3298 .group = FIO_OPT_G_INVALID,
afad68f7 3299 },
214e1eca
JA		 3300#ifdef FIO_HAVE_CPU_AFFINITY
3301 {
3302 .name = "cpumask",
e8b0e958 3303 .lname = "CPU mask",
214e1eca
JA		 3304 .type = FIO_OPT_INT,
3305 .cb = str_cpumask_cb,
a8523a6a 3306 .off1 = td_var_offset(cpumask),
214e1eca 3307 .help = "CPU affinity mask",
e8b0e958 3308 .category = FIO_OPT_C_GENERAL,
10860056 3309 .group = FIO_OPT_G_CRED,
214e1eca 3310 },
d2e268b0
JA		 3311 {
3312 .name = "cpus_allowed",
e8b0e958 3313 .lname = "CPUs allowed",
d2e268b0
JA		 3314 .type = FIO_OPT_STR,
3315 .cb = str_cpus_allowed_cb,
a8523a6a 3316 .off1 = td_var_offset(cpumask),
d2e268b0 3317 .help = "Set CPUs allowed",
e8b0e958 3318 .category = FIO_OPT_C_GENERAL,
10860056 3319 .group = FIO_OPT_G_CRED,
d2e268b0 3320 },
c2acfbac
JA		 3321 {
3322 .name = "cpus_allowed_policy",
3323 .lname = "CPUs allowed distribution policy",
3324 .type = FIO_OPT_STR,
3325 .off1 = td_var_offset(cpus_allowed_policy),
3326 .help = "Distribution policy for cpus_allowed",
3327 .parent = "cpus_allowed",
3328 .prio = 1,
3329 .posval = {
3330 { .ival = "shared",
3331 .oval = FIO_CPUS_SHARED,
3332 .help = "Mask shared between threads",
3333 },
3334 { .ival = "split",
3335 .oval = FIO_CPUS_SPLIT,
3336 .help = "Mask split between threads",
3337 },
3338 },
3339 .category = FIO_OPT_C_GENERAL,
3340 .group = FIO_OPT_G_CRED,
3341 },
a275c37a
JA		 3342#else
3343 {
3344 .name = "cpumask",
3345 .lname = "CPU mask",
3346 .type = FIO_OPT_UNSUPPORTED,
3347 .help = "Your platform does not support CPU affinities",
3348 },
3349 {
3350 .name = "cpus_allowed",
3351 .lname = "CPUs allowed",
3352 .type = FIO_OPT_UNSUPPORTED,
3353 .help = "Your platform does not support CPU affinities",
3354 },
3355 {
3356 .name = "cpus_allowed_policy",
3357 .lname = "CPUs allowed distribution policy",
3358 .type = FIO_OPT_UNSUPPORTED,
3359 .help = "Your platform does not support CPU affinities",
3360 },
d0b937ed 3361#endif
67bf9823 3362#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3363 {
3364 .name = "numa_cpu_nodes",
cce2fdfe 3365 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3366 .type = FIO_OPT_STR,
3367 .cb = str_numa_cpunodes_cb,
b2a9e649 3368 .off1 = td_var_offset(numa_cpunodes),
d0b937ed 3369 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3370 .category = FIO_OPT_C_GENERAL,
3371 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3372 },
3373 {
3374 .name = "numa_mem_policy",
cce2fdfe 3375 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3376 .type = FIO_OPT_STR,
3377 .cb = str_numa_mpol_cb,
b2a9e649 3378 .off1 = td_var_offset(numa_memnodes),
d0b937ed 3379 .help = "NUMA memory policy setup",
6be54b2d
JA		 3380 .category = FIO_OPT_C_GENERAL,
3381 .group = FIO_OPT_G_INVALID,
d0b937ed 3382 },
a275c37a
JA		 3383#else
3384 {
3385 .name = "numa_cpu_nodes",
3386 .lname = "NUMA CPU Nodes",
3387 .type = FIO_OPT_UNSUPPORTED,
3388 .help = "Build fio with libnuma-dev(el) to enable this option",
3389 },
3390 {
3391 .name = "numa_mem_policy",
3392 .lname = "NUMA Memory Policy",
3393 .type = FIO_OPT_UNSUPPORTED,
3394 .help = "Build fio with libnuma-dev(el) to enable this option",
3395 },
214e1eca
JA		 3396#endif
3397 {
3398 .name = "end_fsync",
e8b0e958 3399 .lname = "End fsync",
214e1eca
JA		 3400 .type = FIO_OPT_BOOL,
3401 .off1 = td_var_offset(end_fsync),
3402 .help = "Include fsync at the end of job",
3403 .def = "0",
e8b0e958
JA		 3404 .category = FIO_OPT_C_FILE,
3405 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3406 },
3407 {
3408 .name = "fsync_on_close",
e8b0e958 3409 .lname = "Fsync on close",
214e1eca
JA		 3410 .type = FIO_OPT_BOOL,
3411 .off1 = td_var_offset(fsync_on_close),
3412 .help = "fsync files on close",
3413 .def = "0",
e8b0e958
JA		 3414 .category = FIO_OPT_C_FILE,
3415 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3416 },
3417 {
3418 .name = "unlink",
e8b0e958 3419 .lname = "Unlink file",
214e1eca
JA		 3420 .type = FIO_OPT_BOOL,
3421 .off1 = td_var_offset(unlink),
3422 .help = "Unlink created files after job has completed",
3423 .def = "0",
e8b0e958
JA		 3424 .category = FIO_OPT_C_FILE,
3425 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3426 },
3427 {
3428 .name = "exitall",
e8b0e958 3429 .lname = "Exit-all on terminate",
214e1eca
JA		 3430 .type = FIO_OPT_STR_SET,
3431 .cb = str_exitall_cb,
3432 .help = "Terminate all jobs when one exits",
e8b0e958 3433 .category = FIO_OPT_C_GENERAL,
a1f6afec 3434 .group = FIO_OPT_G_PROCESS,
214e1eca 3435 },
f9cafb12
JA		 3436 {
3437 .name = "exitall_on_error",
3438 .lname = "Exit-all on terminate in error",
3439 .type = FIO_OPT_BOOL,
3440 .off1 = td_var_offset(unlink),
3441 .help = "Terminate all jobs when one exits in error",
3442 .category = FIO_OPT_C_GENERAL,
3443 .group = FIO_OPT_G_PROCESS,
3444 },
214e1eca
JA		 3445 {
3446 .name = "stonewall",
e8b0e958 3447 .lname = "Wait for previous",
d392365e 3448 .alias = "wait_for_previous",
214e1eca
JA		 3449 .type = FIO_OPT_STR_SET,
3450 .off1 = td_var_offset(stonewall),
3451 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3452 .category = FIO_OPT_C_GENERAL,
a1f6afec 3453 .group = FIO_OPT_G_PROCESS,
214e1eca 3454 },
b3d62a75
JA		 3455 {
3456 .name = "new_group",
e8b0e958 3457 .lname = "New group",
b3d62a75
JA		 3458 .type = FIO_OPT_STR_SET,
3459 .off1 = td_var_offset(new_group),
3460 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3461 .category = FIO_OPT_C_GENERAL,
a1f6afec 3462 .group = FIO_OPT_G_PROCESS,
b3d62a75 3463 },
214e1eca
JA		 3464 {
3465 .name = "thread",
e8b0e958 3466 .lname = "Thread",
214e1eca
JA		 3467 .type = FIO_OPT_STR_SET,
3468 .off1 = td_var_offset(use_thread),
20eb06bd 3469 .help = "Use threads instead of processes",
c8931876
JA		 3470#ifdef CONFIG_NO_SHM
3471 .def = "1",
3472 .no_warn_def = 1,
3473#endif
e8b0e958 3474 .category = FIO_OPT_C_GENERAL,
a1f6afec 3475 .group = FIO_OPT_G_PROCESS,
214e1eca 3476 },
3a5db920
JA		 3477 {
3478 .name = "per_job_logs",
cce2fdfe 3479 .lname = "Per Job Logs",
3a5db920
JA		 3480 .type = FIO_OPT_BOOL,
3481 .off1 = td_var_offset(per_job_logs),
3482 .help = "Include job number in generated log files or not",
3483 .def = "1",
3484 .category = FIO_OPT_C_LOG,
3485 .group = FIO_OPT_G_INVALID,
3486 },
214e1eca
JA		 3487 {
3488 .name = "write_bw_log",
e8b0e958 3489 .lname = "Write bandwidth log",
203160d5
JA		 3490 .type = FIO_OPT_STR_STORE,
3491 .off1 = td_var_offset(bw_log_file),
214e1eca 3492 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3493 .category = FIO_OPT_C_LOG,
3494 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3495 },
3496 {
3497 .name = "write_lat_log",
e8b0e958 3498 .lname = "Write latency log",
203160d5
JA		 3499 .type = FIO_OPT_STR_STORE,
3500 .off1 = td_var_offset(lat_log_file),
214e1eca 3501 .help = "Write log of latency during run",
e8b0e958
JA		 3502 .category = FIO_OPT_C_LOG,
3503 .group = FIO_OPT_G_INVALID,
214e1eca 3504 },
c8eeb9df
JA		 3505 {
3506 .name = "write_iops_log",
e8b0e958 3507 .lname = "Write IOPS log",
577c83bd 3508 .type = FIO_OPT_STR_STORE,
203160d5 3509 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3510 .help = "Write log of IOPS during run",
e8b0e958
JA		 3511 .category = FIO_OPT_C_LOG,
3512 .group = FIO_OPT_G_INVALID,
c8eeb9df 3513 },
b8bc8cba
JA		 3514 {
3515 .name = "log_avg_msec",
e8b0e958 3516 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3517 .type = FIO_OPT_INT,
3518 .off1 = td_var_offset(log_avg_msec),
3519 .help = "Average bw/iops/lat logs over this period of time",
3520 .def = "0",
e8b0e958
JA		 3521 .category = FIO_OPT_C_LOG,
3522 .group = FIO_OPT_G_INVALID,
b8bc8cba 3523 },
e6989e10
JA		 3524 {
3525 .name = "log_max_value",
3526 .lname = "Log maximum instead of average",
3527 .type = FIO_OPT_BOOL,
3528 .off1 = td_var_offset(log_max),
3529 .help = "Log max sample in a window instead of average",
3530 .def = "0",
3531 .category = FIO_OPT_C_LOG,
3532 .group = FIO_OPT_G_INVALID,
3533 },
ae588852
JA		 3534 {
3535 .name = "log_offset",
3536 .lname = "Log offset of IO",
3537 .type = FIO_OPT_BOOL,
3538 .off1 = td_var_offset(log_offset),
3539 .help = "Include offset of IO for each log entry",
3540 .def = "0",
3541 .category = FIO_OPT_C_LOG,
3542 .group = FIO_OPT_G_INVALID,
3543 },
aee2ab67
JA		 3544#ifdef CONFIG_ZLIB
3545 {
3546 .name = "log_compression",
3547 .lname = "Log compression",
3548 .type = FIO_OPT_INT,
3549 .off1 = td_var_offset(log_gz),
3550 .help = "Log in compressed chunks of this size",
9919b27b 3551 .minval = 1024ULL,
aee2ab67
JA		 3552 .maxval = 512 * 1024 * 1024ULL,
3553 .category = FIO_OPT_C_LOG,
3554 .group = FIO_OPT_G_INVALID,
3555 },
c08f9fe2
JA		 3556#ifdef FIO_HAVE_CPU_AFFINITY
3557 {
3558 .name = "log_compression_cpus",
3559 .lname = "Log Compression CPUs",
3560 .type = FIO_OPT_STR,
3561 .cb = str_log_cpus_allowed_cb,
3562 .off1 = td_var_offset(log_gz_cpumask),
3563 .parent = "log_compression",
3564 .help = "Limit log compression to these CPUs",
3565 .category = FIO_OPT_C_LOG,
3566 .group = FIO_OPT_G_INVALID,
3567 },
a275c37a
JA		 3568#else
3569 {
3570 .name = "log_compression_cpus",
3571 .lname = "Log Compression CPUs",
3572 .type = FIO_OPT_UNSUPPORTED,
3573 .help = "Your platform does not support CPU affinities",
3574 },
c08f9fe2 3575#endif
b26317c9
JA		 3576 {
3577 .name = "log_store_compressed",
3578 .lname = "Log store compressed",
3579 .type = FIO_OPT_BOOL,
3580 .off1 = td_var_offset(log_gz_store),
3581 .help = "Store logs in a compressed format",
3582 .category = FIO_OPT_C_LOG,
3583 .group = FIO_OPT_G_INVALID,
3584 },
a275c37a
JA		 3585#else
3586 {
3587 .name = "log_compression",
3588 .lname = "Log compression",
3589 .type = FIO_OPT_UNSUPPORTED,
3590 .help = "Install libz-dev(el) to get compression support",
3591 },
3592 {
3593 .name = "log_store_compressed",
3594 .lname = "Log store compressed",
3595 .type = FIO_OPT_UNSUPPORTED,
3596 .help = "Install libz-dev(el) to get compression support",
3597 },
aee2ab67 3598#endif
66347cfa
DE		 3599 {
3600 .name = "block_error_percentiles",
3601 .lname = "Block error percentiles",
3602 .type = FIO_OPT_BOOL,
3603 .off1 = td_var_offset(block_error_hist),
3604 .help = "Record trim block errors and make a histogram",
3605 .def = "0",
3606 .category = FIO_OPT_C_LOG,
3607 .group = FIO_OPT_G_INVALID,
3608 },
c504ee55
JA		 3609 {
3610 .name = "bwavgtime",
3611 .lname = "Bandwidth average time",
3612 .type = FIO_OPT_INT,
3613 .off1 = td_var_offset(bw_avg_time),
3614 .help = "Time window over which to calculate bandwidth"
3615 " (msec)",
3616 .def = "500",
3617 .parent = "write_bw_log",
3618 .hide = 1,
3619 .interval = 100,
3620 .category = FIO_OPT_C_LOG,
3621 .group = FIO_OPT_G_INVALID,
3622 },
3623 {
3624 .name = "iopsavgtime",
3625 .lname = "IOPS average time",
3626 .type = FIO_OPT_INT,
3627 .off1 = td_var_offset(iops_avg_time),
3628 .help = "Time window over which to calculate IOPS (msec)",
3629 .def = "500",
3630 .parent = "write_iops_log",
3631 .hide = 1,
3632 .interval = 100,
3633 .category = FIO_OPT_C_LOG,
3634 .group = FIO_OPT_G_INVALID,
3635 },
214e1eca
JA		 3636 {
3637 .name = "group_reporting",
e8b0e958 3638 .lname = "Group reporting",
d2507043 3639 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3640 .off1 = td_var_offset(group_reporting),
3641 .help = "Do reporting on a per-group basis",
10860056 3642 .category = FIO_OPT_C_STAT,
e8b0e958 3643 .group = FIO_OPT_G_INVALID,
214e1eca 3644 },
e9459e5a
JA		 3645 {
3646 .name = "zero_buffers",
e8b0e958 3647 .lname = "Zero I/O buffers",
e9459e5a
JA		 3648 .type = FIO_OPT_STR_SET,
3649 .off1 = td_var_offset(zero_buffers),
3650 .help = "Init IO buffers to all zeroes",
e8b0e958 3651 .category = FIO_OPT_C_IO,
3ceb458f 3652 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3653 },
5973cafb
JA		 3654 {
3655 .name = "refill_buffers",
e8b0e958 3656 .lname = "Refill I/O buffers",
5973cafb
JA		 3657 .type = FIO_OPT_STR_SET,
3658 .off1 = td_var_offset(refill_buffers),
3659 .help = "Refill IO buffers on every IO submit",
e8b0e958 3660 .category = FIO_OPT_C_IO,
3ceb458f 3661 .group = FIO_OPT_G_IO_BUF,
5973cafb 3662 },
fd68418e
JA		 3663 {
3664 .name = "scramble_buffers",
e8b0e958 3665 .lname = "Scramble I/O buffers",
fd68418e
JA		 3666 .type = FIO_OPT_BOOL,
3667 .off1 = td_var_offset(scramble_buffers),
3668 .help = "Slightly scramble buffers on every IO submit",
3669 .def = "1",
e8b0e958 3670 .category = FIO_OPT_C_IO,
3ceb458f 3671 .group = FIO_OPT_G_IO_BUF,
fd68418e 3672 },
ce35b1ec
JA		 3673 {
3674 .name = "buffer_pattern",
3675 .lname = "Buffer pattern",
3676 .type = FIO_OPT_STR,
3677 .cb = str_buffer_pattern_cb,
a8523a6a 3678 .off1 = td_var_offset(buffer_pattern),
ce35b1ec
JA		 3679 .help = "Fill pattern for IO buffers",
3680 .category = FIO_OPT_C_IO,
3681 .group = FIO_OPT_G_IO_BUF,
3682 },
9c42684e
JA		 3683 {
3684 .name = "buffer_compress_percentage",
e8b0e958 3685 .lname = "Buffer compression percentage",
9c42684e 3686 .type = FIO_OPT_INT,
bedc9dc2 3687 .cb = str_buffer_compress_cb,
a8523a6a 3688 .off1 = td_var_offset(compress_percentage),
9c42684e 3689 .maxval = 100,
e7f5de90 3690 .minval = 0,
9c42684e 3691 .help = "How compressible the buffer is (approximately)",
20eb06bd 3692 .interval = 5,
e8b0e958 3693 .category = FIO_OPT_C_IO,
3ceb458f 3694 .group = FIO_OPT_G_IO_BUF,
9c42684e 3695 },
f97a43a1
JA		 3696 {
3697 .name = "buffer_compress_chunk",
e8b0e958 3698 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3699 .type = FIO_OPT_INT,
3700 .off1 = td_var_offset(compress_chunk),
207b18e4 3701 .parent = "buffer_compress_percentage",
d71c154c 3702 .hide = 1,
f97a43a1 3703 .help = "Size of compressible region in buffer",
20eb06bd 3704 .interval = 256,
e8b0e958 3705 .category = FIO_OPT_C_IO,
3ceb458f 3706 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3707 },
5c94b008
JA		 3708 {
3709 .name = "dedupe_percentage",
3710 .lname = "Dedupe percentage",
3711 .type = FIO_OPT_INT,
3712 .cb = str_dedupe_cb,
a8523a6a 3713 .off1 = td_var_offset(dedupe_percentage),
5c94b008
JA		 3714 .maxval = 100,
3715 .minval = 0,
3716 .help = "Percentage of buffers that are dedupable",
3717 .interval = 1,
3718 .category = FIO_OPT_C_IO,
3719 .group = FIO_OPT_G_IO_BUF,
3720 },
83349190
YH		 3721 {
3722 .name = "clat_percentiles",
e8b0e958 3723 .lname = "Completion latency percentiles",
83349190
YH		 3724 .type = FIO_OPT_BOOL,
3725 .off1 = td_var_offset(clat_percentiles),
3726 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3727 .def = "1",
e8b0e958
JA		 3728 .category = FIO_OPT_C_STAT,
3729 .group = FIO_OPT_G_INVALID,
83349190
YH		 3730 },
3731 {
3732 .name = "percentile_list",
66347cfa 3733 .lname = "Percentile list",
83349190
YH		 3734 .type = FIO_OPT_FLOAT_LIST,
3735 .off1 = td_var_offset(percentile_list),
435d195a 3736 .off2 = td_var_offset(percentile_precision),
66347cfa
DE		 3737 .help = "Specify a custom list of percentiles to report for "
3738 "completion latency and block errors",
fd112d34 3739 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3740 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3741 .minfp = 0.0,
3742 .maxfp = 100.0,
e8b0e958
JA		 3743 .category = FIO_OPT_C_STAT,
3744 .group = FIO_OPT_G_INVALID,
83349190
YH		 3745 },
3746
0a839f30
JA		 3747#ifdef FIO_HAVE_DISK_UTIL
3748 {
3749 .name = "disk_util",
e8b0e958 3750 .lname = "Disk utilization",
0a839f30
JA		 3751 .type = FIO_OPT_BOOL,
3752 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3753 .help = "Log disk utilization statistics",
0a839f30 3754 .def = "1",
e8b0e958
JA		 3755 .category = FIO_OPT_C_STAT,
3756 .group = FIO_OPT_G_INVALID,
0a839f30 3757 },
a275c37a
JA		 3758#else
3759 {
3760 .name = "disk_util",
3761 .lname = "Disk utilization",
3762 .type = FIO_OPT_UNSUPPORTED,
3763 .help = "Your platform does not support disk utilization",
3764 },
0a839f30 3765#endif
993bf48b
JA		 3766 {
3767 .name = "gtod_reduce",
e8b0e958 3768 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3769 .type = FIO_OPT_BOOL,
3770 .help = "Greatly reduce number of gettimeofday() calls",
3771 .cb = str_gtod_reduce_cb,
3772 .def = "0",
a4ed77fe 3773 .hide_on_set = 1,
e8b0e958
JA		 3774 .category = FIO_OPT_C_STAT,
3775 .group = FIO_OPT_G_INVALID,
993bf48b 3776 },
02af0988
JA		 3777 {
3778 .name = "disable_lat",
e8b0e958 3779 .lname = "Disable all latency stats",
02af0988
JA		 3780 .type = FIO_OPT_BOOL,
3781 .off1 = td_var_offset(disable_lat),
3782 .help = "Disable latency numbers",
3783 .parent = "gtod_reduce",
d71c154c 3784 .hide = 1,
02af0988 3785 .def = "0",
e8b0e958
JA		 3786 .category = FIO_OPT_C_STAT,
3787 .group = FIO_OPT_G_INVALID,
02af0988 3788 },
9520ebb9
JA		 3789 {
3790 .name = "disable_clat",
e8b0e958 3791 .lname = "Disable completion latency stats",
9520ebb9
JA		 3792 .type = FIO_OPT_BOOL,
3793 .off1 = td_var_offset(disable_clat),
3794 .help = "Disable completion latency numbers",
993bf48b 3795 .parent = "gtod_reduce",
d71c154c 3796 .hide = 1,
9520ebb9 3797 .def = "0",
e8b0e958
JA		 3798 .category = FIO_OPT_C_STAT,
3799 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3800 },
3801 {
3802 .name = "disable_slat",
e8b0e958 3803 .lname = "Disable submission latency stats",
9520ebb9
JA		 3804 .type = FIO_OPT_BOOL,
3805 .off1 = td_var_offset(disable_slat),
03e20d68 3806 .help = "Disable submission latency numbers",
993bf48b 3807 .parent = "gtod_reduce",
d71c154c 3808 .hide = 1,
9520ebb9 3809 .def = "0",
e8b0e958
JA		 3810 .category = FIO_OPT_C_STAT,
3811 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3812 },
3813 {
3814 .name = "disable_bw_measurement",
e8b0e958 3815 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3816 .type = FIO_OPT_BOOL,
3817 .off1 = td_var_offset(disable_bw),
3818 .help = "Disable bandwidth logging",
993bf48b 3819 .parent = "gtod_reduce",
d71c154c 3820 .hide = 1,
9520ebb9 3821 .def = "0",
e8b0e958
JA		 3822 .category = FIO_OPT_C_STAT,
3823 .group = FIO_OPT_G_INVALID,
9520ebb9 3824 },
be4ecfdf
JA		 3825 {
3826 .name = "gtod_cpu",
e8b0e958 3827 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 3828 .type = FIO_OPT_INT,
79c896a1 3829 .off1 = td_var_offset(gtod_cpu),
03e20d68 3830 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3831 .verify = gtod_cpu_verify,
e8b0e958 3832 .category = FIO_OPT_C_GENERAL,
10860056 3833 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3834 },
771e58be
JA		 3835 {
3836 .name = "unified_rw_reporting",
cce2fdfe 3837 .lname = "Unified RW Reporting",
771e58be
JA		 3838 .type = FIO_OPT_BOOL,
3839 .off1 = td_var_offset(unified_rw_rep),
3840 .help = "Unify reporting across data direction",
3841 .def = "0",
90b7a96d
JA		 3842 .category = FIO_OPT_C_GENERAL,
3843 .group = FIO_OPT_G_INVALID,
771e58be 3844 },
f2bba182
RR		 3845 {
3846 .name = "continue_on_error",
e8b0e958 3847 .lname = "Continue on error",
06842027 3848 .type = FIO_OPT_STR,
f2bba182 3849 .off1 = td_var_offset(continue_on_error),
03e20d68 3850 .help = "Continue on non-fatal errors during IO",
06842027 3851 .def = "none",
e8b0e958 3852 .category = FIO_OPT_C_GENERAL,
bc3f552f 3853 .group = FIO_OPT_G_ERR,
06842027
SL		 3854 .posval = {
3855 { .ival = "none",
3856 .oval = ERROR_TYPE_NONE,
3857 .help = "Exit when an error is encountered",
3858 },
3859 { .ival = "read",
3860 .oval = ERROR_TYPE_READ,
3861 .help = "Continue on read errors only",
3862 },
3863 { .ival = "write",
3864 .oval = ERROR_TYPE_WRITE,
3865 .help = "Continue on write errors only",
3866 },
3867 { .ival = "io",
3868 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3869 .help = "Continue on any IO errors",
3870 },
3871 { .ival = "verify",
3872 .oval = ERROR_TYPE_VERIFY,
3873 .help = "Continue on verify errors only",
3874 },
3875 { .ival = "all",
3876 .oval = ERROR_TYPE_ANY,
3877 .help = "Continue on all io and verify errors",
3878 },
3879 { .ival = "0",
3880 .oval = ERROR_TYPE_NONE,
3881 .help = "Alias for 'none'",
3882 },
3883 { .ival = "1",
3884 .oval = ERROR_TYPE_ANY,
3885 .help = "Alias for 'all'",
3886 },
3887 },
f2bba182 3888 },
8b28bd41
DM		 3889 {
3890 .name = "ignore_error",
cce2fdfe 3891 .lname = "Ignore Error",
8b28bd41
DM		 3892 .type = FIO_OPT_STR,
3893 .cb = str_ignore_error_cb,
a8523a6a 3894 .off1 = td_var_offset(ignore_error_nr),
8b28bd41
DM		 3895 .help = "Set a specific list of errors to ignore",
3896 .parent = "rw",
a94eb99a 3897 .category = FIO_OPT_C_GENERAL,
bc3f552f 3898 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3899 },
3900 {
3901 .name = "error_dump",
cce2fdfe 3902 .lname = "Error Dump",
8b28bd41
DM		 3903 .type = FIO_OPT_BOOL,
3904 .off1 = td_var_offset(error_dump),
3905 .def = "0",
3906 .help = "Dump info on each error",
a94eb99a 3907 .category = FIO_OPT_C_GENERAL,
bc3f552f 3908 .group = FIO_OPT_G_ERR,
8b28bd41 3909 },
9ac8a797
JA		 3910 {
3911 .name = "profile",
e8b0e958 3912 .lname = "Profile",
79d16311 3913 .type = FIO_OPT_STR_STORE,
9ac8a797 3914 .off1 = td_var_offset(profile),
9ac8a797 3915 .help = "Select a specific builtin performance test",
13fca827 3916 .category = FIO_OPT_C_PROFILE,
e8b0e958 3917 .group = FIO_OPT_G_INVALID,
9ac8a797 3918 },
a696fa2a
JA		 3919 {
3920 .name = "cgroup",
e8b0e958 3921 .lname = "Cgroup",
a696fa2a
JA		 3922 .type = FIO_OPT_STR_STORE,
3923 .off1 = td_var_offset(cgroup),
3924 .help = "Add job to cgroup of this name",
e8b0e958 3925 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3926 .group = FIO_OPT_G_CGROUP,
3927 },
3928 {
3929 .name = "cgroup_nodelete",
3930 .lname = "Cgroup no-delete",
3931 .type = FIO_OPT_BOOL,
3932 .off1 = td_var_offset(cgroup_nodelete),
3933 .help = "Do not delete cgroups after job completion",
3934 .def = "0",
3935 .parent = "cgroup",
3936 .category = FIO_OPT_C_GENERAL,
3937 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3938 },
3939 {
3940 .name = "cgroup_weight",
e8b0e958 3941 .lname = "Cgroup weight",
a696fa2a
JA		 3942 .type = FIO_OPT_INT,
3943 .off1 = td_var_offset(cgroup_weight),
3944 .help = "Use given weight for cgroup",
3945 .minval = 100,
3946 .maxval = 1000,
a1f6afec 3947 .parent = "cgroup",
e8b0e958 3948 .category = FIO_OPT_C_GENERAL,
a1f6afec 3949 .group = FIO_OPT_G_CGROUP,
7de87099 3950 },
e0b0d892
JA		 3951 {
3952 .name = "uid",
e8b0e958 3953 .lname = "User ID",
e0b0d892
JA		 3954 .type = FIO_OPT_INT,
3955 .off1 = td_var_offset(uid),
3956 .help = "Run job with this user ID",
e8b0e958 3957 .category = FIO_OPT_C_GENERAL,
10860056 3958 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3959 },
3960 {
3961 .name = "gid",
e8b0e958 3962 .lname = "Group ID",
e0b0d892
JA		 3963 .type = FIO_OPT_INT,
3964 .off1 = td_var_offset(gid),
3965 .help = "Run job with this group ID",
e8b0e958 3966 .category = FIO_OPT_C_GENERAL,
10860056 3967 .group = FIO_OPT_G_CRED,
e0b0d892 3968 },
a1f6afec
JA		 3969 {
3970 .name = "kb_base",
3971 .lname = "KB Base",
3972 .type = FIO_OPT_INT,
3973 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3974 .prio = 1,
3975 .def = "1024",
ba9c7219
JA		 3976 .posval = {
3977 { .ival = "1024",
3978 .oval = 1024,
3979 .help = "Use 1024 as the K base",
3980 },
3981 { .ival = "1000",
3982 .oval = 1000,
3983 .help = "Use 1000 as the K base",
3984 },
3985 },
a1f6afec
JA		 3986 .help = "How many bytes per KB for reporting (1000 or 1024)",
3987 .category = FIO_OPT_C_GENERAL,
3988 .group = FIO_OPT_G_INVALID,
3989 },
cf3a0518
JA		 3990 {
3991 .name = "unit_base",
ba9c7219 3992 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3993 .type = FIO_OPT_INT,
3994 .off1 = td_var_offset(unit_base),
cf3a0518 3995 .prio = 1,
71a08258
JA		 3996 .posval = {
3997 { .ival = "0",
3998 .oval = 0,
3999 .help = "Auto-detect",
4000 },
4001 { .ival = "8",
4002 .oval = 8,
4003 .help = "Normal (byte based)",
4004 },
4005 { .ival = "1",
4006 .oval = 1,
4007 .help = "Bit based",
4008 },
4009 },
cf3a0518
JA		 4010 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4011 .category = FIO_OPT_C_GENERAL,
4012 .group = FIO_OPT_G_INVALID,
4013 },
3ceb458f
JA		 4014 {
4015 .name = "hugepage-size",
4016 .lname = "Hugepage size",
4017 .type = FIO_OPT_INT,
4018 .off1 = td_var_offset(hugepage_size),
4019 .help = "When using hugepages, specify size of each page",
4020 .def = __fio_stringify(FIO_HUGE_PAGE),
4021 .interval = 1024 * 1024,
4022 .category = FIO_OPT_C_GENERAL,
4023 .group = FIO_OPT_G_INVALID,
4024 },
9e684a49
DE		 4025 {
4026 .name = "flow_id",
e8b0e958 4027 .lname = "I/O flow ID",
9e684a49
DE		 4028 .type = FIO_OPT_INT,
4029 .off1 = td_var_offset(flow_id),
4030 .help = "The flow index ID to use",
4031 .def = "0",
e8b0e958
JA		 4032 .category = FIO_OPT_C_IO,
4033 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4034 },
4035 {
4036 .name = "flow",
e8b0e958 4037 .lname = "I/O flow weight",
9e684a49
DE		 4038 .type = FIO_OPT_INT,
4039 .off1 = td_var_offset(flow),
4040 .help = "Weight for flow control of this job",
4041 .parent = "flow_id",
d71c154c 4042 .hide = 1,
9e684a49 4043 .def = "0",
e8b0e958
JA		 4044 .category = FIO_OPT_C_IO,
4045 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4046 },
4047 {
4048 .name = "flow_watermark",
e8b0e958 4049 .lname = "I/O flow watermark",
9e684a49
DE		 4050 .type = FIO_OPT_INT,
4051 .off1 = td_var_offset(flow_watermark),
4052 .help = "High watermark for flow control. This option"
4053 " should be set to the same value for all threads"
4054 " with non-zero flow.",
4055 .parent = "flow_id",
d71c154c 4056 .hide = 1,
9e684a49 4057 .def = "1024",
e8b0e958
JA		 4058 .category = FIO_OPT_C_IO,
4059 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4060 },
4061 {
4062 .name = "flow_sleep",
e8b0e958 4063 .lname = "I/O flow sleep",
9e684a49
DE		 4064 .type = FIO_OPT_INT,
4065 .off1 = td_var_offset(flow_sleep),
4066 .help = "How many microseconds to sleep after being held"
4067 " back by the flow control mechanism",
4068 .parent = "flow_id",
d71c154c 4069 .hide = 1,
9e684a49 4070 .def = "0",
e8b0e958
JA		 4071 .category = FIO_OPT_C_IO,
4072 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4073 },
65fa28ca
DE		 4074 {
4075 .name = "skip_bad",
4076 .lname = "Skip operations against bad blocks",
4077 .type = FIO_OPT_BOOL,
4078 .off1 = td_var_offset(skip_bad),
4079 .help = "Skip operations against known bad blocks.",
4080 .hide = 1,
4081 .def = "0",
4082 .category = FIO_OPT_C_IO,
4083 .group = FIO_OPT_G_MTD,
4084 },
214e1eca
JA		 4085 {
4086 .name = NULL,
4087 },
4088};
4089
17af15d4 4090static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4091 const char *name, int val)
9f81736c 4092{
17af15d4 4093 lopt->name = (char *) name;
de890a1e 4094 lopt->val = val;
9f81736c 4095 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4096 lopt->has_arg = optional_argument;
9f81736c
JA		 4097 else
4098 lopt->has_arg = required_argument;
4099}
4100
de890a1e
SL		 4101static void options_to_lopts(struct fio_option *opts,
4102 struct option *long_options,
4103 int i, int option_type)
214e1eca 4104{
de890a1e 4105 struct fio_option *o = &opts[0];
214e1eca 4106 while (o->name) {
de890a1e 4107 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4108 if (o->alias) {
4109 i++;
de890a1e 4110 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4111 }
214e1eca
JA		 4112
4113 i++;
4114 o++;
4115 assert(i < FIO_NR_OPTIONS);
4116 }
4117}
4118
de890a1e
SL		 4119void fio_options_set_ioengine_opts(struct option *long_options,
4120 struct thread_data *td)
4121{
4122 unsigned int i;
4123
4124 i = 0;
4125 while (long_options[i].name) {
4126 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4127 memset(&long_options[i], 0, sizeof(*long_options));
4128 break;
4129 }
4130 i++;
4131 }
4132
4133 /*
4134 * Just clear out the prior ioengine options.
4135 */
4136 if (!td || !td->eo)
4137 return;
4138
4139 options_to_lopts(td->io_ops->options, long_options, i,
4140 FIO_GETOPT_IOENGINE);
4141}
4142
4143void fio_options_dup_and_init(struct option *long_options)
4144{
4145 unsigned int i;
4146
9af4a244 4147 options_init(fio_options);
de890a1e
SL		 4148
4149 i = 0;
4150 while (long_options[i].name)
4151 i++;
4152
9af4a244 4153 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4154}
4155
74929ac2
JA		 4156struct fio_keyword {
4157 const char *word;
4158 const char *desc;
4159 char *replace;
4160};
4161
4162static struct fio_keyword fio_keywords[] = {
4163 {
4164 .word = "$pagesize",
4165 .desc = "Page size in the system",
4166 },
4167 {
4168 .word = "$mb_memory",
4169 .desc = "Megabytes of memory online",
4170 },
4171 {
4172 .word = "$ncpus",
4173 .desc = "Number of CPUs online in the system",
4174 },
4175 {
4176 .word = NULL,
4177 },
4178};
4179
af1dc266
JA		 4180void fio_keywords_exit(void)
4181{
4182 struct fio_keyword *kw;
4183
4184 kw = &fio_keywords[0];
4185 while (kw->word) {
4186 free(kw->replace);
4187 kw->replace = NULL;
4188 kw++;
4189 }
4190}
4191
74929ac2
JA		 4192void fio_keywords_init(void)
4193{
3b2e1464 4194 unsigned long long mb_memory;
74929ac2
JA		 4195 char buf[128];
4196 long l;
4197
a4cfc477 4198 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4199 fio_keywords[0].replace = strdup(buf);
4200
8eb016d3 4201 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4202 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4203 fio_keywords[1].replace = strdup(buf);
4204
c00a2289 4205 l = cpus_online();
74929ac2
JA		 4206 sprintf(buf, "%lu", l);
4207 fio_keywords[2].replace = strdup(buf);
4208}
4209
892a6ffc
JA		 4210#define BC_APP "bc"
4211
4212static char *bc_calc(char *str)
4213{
d0c814ec 4214 char buf[128], *tmp;
892a6ffc
JA		 4215 FILE *f;
4216 int ret;
4217
4218 /*
4219 * No math, just return string
4220 */
d0c814ec
SL		 4221 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4222 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4223 return str;
4224
4225 /*
4226 * Split option from value, we only need to calculate the value
4227 */
4228 tmp = strchr(str, '=');
4229 if (!tmp)
4230 return str;
4231
4232 tmp++;
892a6ffc 4233
d0c814ec
SL		 4234 /*
4235 * Prevent buffer overflows; such a case isn't reasonable anyway
4236 */
4237 if (strlen(str) >= 128 || strlen(tmp) > 100)
4238 return str;
892a6ffc
JA		 4239
4240 sprintf(buf, "which %s > /dev/null", BC_APP);
4241 if (system(buf)) {
4242 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4243 return NULL;
4244 }
4245
d0c814ec 4246 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4247 f = popen(buf, "r");
3c3ed070 4248 if (!f)
892a6ffc 4249 return NULL;
892a6ffc 4250
d0c814ec 4251 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4252 if (ret <= 0) {
4253 pclose(f);
892a6ffc 4254 return NULL;
1d824f37 4255 }
892a6ffc 4256
892a6ffc 4257 pclose(f);
d0c814ec
SL		 4258 buf[(tmp - str) + ret - 1] = '\0';
4259 memcpy(buf, str, tmp - str);
892a6ffc 4260 free(str);
d0c814ec
SL		 4261 return strdup(buf);
4262}
4263
4264/*
4265 * Return a copy of the input string with substrings of the form ${VARNAME}
4266 * substituted with the value of the environment variable VARNAME. The
4267 * substitution always occurs, even if VARNAME is empty or the corresponding
4268 * environment variable undefined.
4269 */
4270static char *option_dup_subs(const char *opt)
4271{
4272 char out[OPT_LEN_MAX+1];
4273 char in[OPT_LEN_MAX+1];
4274 char *outptr = out;
4275 char *inptr = in;
4276 char *ch1, *ch2, *env;
4277 ssize_t nchr = OPT_LEN_MAX;
4278 size_t envlen;
4279
4280 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4281 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4282 return NULL;
4283 }
4284
4285 in[OPT_LEN_MAX] = '\0';
4286 strncpy(in, opt, OPT_LEN_MAX);
4287
4288 while (*inptr && nchr > 0) {
4289 if (inptr[0] == '$' && inptr[1] == '{') {
4290 ch2 = strchr(inptr, '}');
4291 if (ch2 && inptr+1 < ch2) {
4292 ch1 = inptr+2;
4293 inptr = ch2+1;
4294 *ch2 = '\0';
4295
4296 env = getenv(ch1);
4297 if (env) {
4298 envlen = strlen(env);
4299 if (envlen <= nchr) {
4300 memcpy(outptr, env, envlen);
4301 outptr += envlen;
4302 nchr -= envlen;
4303 }
4304 }
4305
4306 continue;
4307 }
4308 }
4309
4310 *outptr++ = *inptr++;
4311 --nchr;
4312 }
4313
4314 *outptr = '\0';
4315 return strdup(out);
892a6ffc
JA		 4316}
4317
74929ac2
JA		 4318/*
4319 * Look for reserved variable names and replace them with real values
4320 */
4321static char *fio_keyword_replace(char *opt)
4322{
4323 char *s;
4324 int i;
d0c814ec 4325 int docalc = 0;
74929ac2
JA		 4326
4327 for (i = 0; fio_keywords[i].word != NULL; i++) {
4328 struct fio_keyword *kw = &fio_keywords[i];
4329
4330 while ((s = strstr(opt, kw->word)) != NULL) {
4331 char *new = malloc(strlen(opt) + 1);
4332 char *o_org = opt;
4333 int olen = s - opt;
4334 int len;
4335
4336 /*
4337 * Copy part of the string before the keyword and
4338 * sprintf() the replacement after it.
4339 */
4340 memcpy(new, opt, olen);
4341 len = sprintf(new + olen, "%s", kw->replace);
4342
4343 /*
4344 * If there's more in the original string, copy that
4345 * in too
4346 */
4347 opt += strlen(kw->word) + olen;
4348 if (strlen(opt))
4349 memcpy(new + olen + len, opt, opt - o_org - 1);
4350
4351 /*
4352 * replace opt and free the old opt
4353 */
4354 opt = new;
d0c814ec 4355 free(o_org);
7a958bd5 4356
d0c814ec 4357 docalc = 1;
74929ac2
JA		 4358 }
4359 }
4360
d0c814ec
SL		 4361 /*
4362 * Check for potential math and invoke bc, if possible
4363 */
4364 if (docalc)
4365 opt = bc_calc(opt);
4366
7a958bd5 4367 return opt;
74929ac2
JA		 4368}
4369
d0c814ec
SL		 4370static char **dup_and_sub_options(char **opts, int num_opts)
4371{
4372 int i;
4373 char **opts_copy = malloc(num_opts * sizeof(*opts));
4374 for (i = 0; i < num_opts; i++) {
4375 opts_copy[i] = option_dup_subs(opts[i]);
4376 if (!opts_copy[i])
4377 continue;
4378 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4379 }
4380 return opts_copy;
4381}
4382
e15b023b 4383static void show_closest_option(const char *opt)
a2d027b9
JA		 4384{
4385 int best_option, best_distance;
4386 int i, distance;
e15b023b
JA		 4387 char *name;
4388
4389 if (!strlen(opt))
4390 return;
4391
4392 name = strdup(opt);
4393 i = 0;
4394 while (name[i] != '\0' && name[i] != '=')
4395 i++;
4396 name[i] = '\0';
a2d027b9
JA		 4397
4398 best_option = -1;
4399 best_distance = INT_MAX;
4400 i = 0;
4401 while (fio_options[i].name) {
4402 distance = string_distance(name, fio_options[i].name);
4403 if (distance < best_distance) {
4404 best_distance = distance;
4405 best_option = i;
4406 }
4407 i++;
4408 }
4409
75e6bcba
JA		 4410 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4411 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4412 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4413
4414 free(name);
a2d027b9
JA		 4415}
4416
c2292325 4417int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4418{
de890a1e 4419 int i, ret, unknown;
d0c814ec 4420 char **opts_copy;
3b8b7135 4421
9af4a244 4422 sort_options(opts, fio_options, num_opts);
d0c814ec 4423 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4424
de890a1e
SL		 4425 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4426 struct fio_option *o;
9af4a244 4427 int newret = parse_option(opts_copy[i], opts[i], fio_options,
66e19a38 4428 &o, td, &td->opt_list);
d0c814ec 4429
a8523a6a
JA		 4430 if (!newret && o)
4431 fio_option_mark_set(&td->o, o);
4432
de890a1e
SL		 4433 if (opts_copy[i]) {
4434 if (newret && !o) {
4435 unknown++;
4436 continue;
4437 }
d0c814ec 4438 free(opts_copy[i]);
de890a1e
SL		 4439 opts_copy[i] = NULL;
4440 }
4441
4442 ret |= newret;
4443 }
4444
4445 if (unknown) {
4446 ret |= ioengine_load(td);
4447 if (td->eo) {
4448 sort_options(opts_copy, td->io_ops->options, num_opts);
4449 opts = opts_copy;
4450 }
4451 for (i = 0; i < num_opts; i++) {
4452 struct fio_option *o = NULL;
4453 int newret = 1;
a2d027b9 4454
de890a1e
SL		 4455 if (!opts_copy[i])
4456 continue;
4457
4458 if (td->eo)
4459 newret = parse_option(opts_copy[i], opts[i],
4460 td->io_ops->options, &o,
66e19a38 4461 td->eo, &td->opt_list);
de890a1e
SL		 4462
4463 ret |= newret;
a2d027b9 4464 if (!o) {
de890a1e 4465 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4466 show_closest_option(opts[i]);
4467 }
de890a1e
SL		 4468 free(opts_copy[i]);
4469 opts_copy[i] = NULL;
4470 }
74929ac2 4471 }
3b8b7135 4472
d0c814ec 4473 free(opts_copy);
3b8b7135 4474 return ret;
214e1eca
JA		 4475}
4476
4477int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4478{
a8523a6a
JA		 4479 int ret;
4480
d8b4f395 4481 ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list);
a8523a6a
JA		 4482 if (!ret) {
4483 struct fio_option *o;
4484
4485 o = find_option(fio_options, opt);
4486 if (o)
4487 fio_option_mark_set(&td->o, o);
4488 }
4489
4490 return ret;
214e1eca
JA		 4491}
4492
de890a1e
SL		 4493int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4494 char *val)
4495{
d8b4f395
JA		 4496 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4497 &td->opt_list);
de890a1e
SL		 4498}
4499
214e1eca
JA		 4500void fio_fill_default_options(struct thread_data *td)
4501{
cb1402d6 4502 td->o.magic = OPT_MAGIC;
9af4a244 4503 fill_default_options(td, fio_options);
214e1eca
JA		 4504}
4505
4506int fio_show_option_help(const char *opt)
4507{
9af4a244 4508 return show_cmd_help(fio_options, opt);
214e1eca 4509}
d23bb327 4510
de890a1e 4511void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 4512{
de890a1e 4513 struct fio_option *o;
d23bb327 4514 char **ptr;
d23bb327 4515
de890a1e
SL		 4516 for (o = &options[0]; o->name; o++) {
4517 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 4518 continue;
4519
f0fdbcaf 4520 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 4521 if (*ptr)
4522 *ptr = strdup(*ptr);
d23bb327
JA		 4523 }
4524}
4525
de890a1e
SL		 4526/*
4527 * dupe FIO_OPT_STR_STORE options
4528 */
4529void fio_options_mem_dupe(struct thread_data *td)
4530{
9af4a244 4531 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 4532
4533 if (td->eo && td->io_ops) {
de890a1e 4534 void *oldeo = td->eo;
1647f592 4535
de890a1e
SL		 4536 td->eo = malloc(td->io_ops->option_struct_size);
4537 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4538 options_mem_dupe(td->eo, td->io_ops->options);
4539 }
4540}
4541
d6978a32
JA		 4542unsigned int fio_get_kb_base(void *data)
4543{
83ea422a 4544 struct thread_options *o = data;
d6978a32
JA		 4545 unsigned int kb_base = 0;
4546
cb1402d6
JA		 4547 /*
4548 * This is a hack... For private options, *data is not holding
4549 * a pointer to the thread_options, but to private data. This means
4550 * we can't safely dereference it, but magic is first so mem wise
4551 * it is valid. But this also means that if the job first sets
4552 * kb_base and expects that to be honored by private options,
4553 * it will be disappointed. We will return the global default
4554 * for this.
4555 */
4556 if (o && o->magic == OPT_MAGIC)
83ea422a 4557 kb_base = o->kb_base;
d6978a32
JA		 4558 if (!kb_base)
4559 kb_base = 1024;
4560
4561 return kb_base;
4562}
9f988e2e 4563
07b3232d 4564int add_option(struct fio_option *o)
9f988e2e 4565{
07b3232d
JA		 4566 struct fio_option *__o;
4567 int opt_index = 0;
4568
9af4a244 4569 __o = fio_options;
07b3232d
JA		 4570 while (__o->name) {
4571 opt_index++;
4572 __o++;
4573 }
4574
7b504edd
JA		 4575 if (opt_index + 1 == FIO_MAX_OPTS) {
4576 log_err("fio: FIO_MAX_OPTS is too small\n");
4577 return 1;
4578 }
4579
9af4a244 4580 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4581 fio_options[opt_index + 1].name = NULL;
07b3232d 4582 return 0;
9f988e2e 4583}
e2de69da 4584
07b3232d 4585void invalidate_profile_options(const char *prof_name)
e2de69da 4586{
07b3232d 4587 struct fio_option *o;
e2de69da 4588
9af4a244 4589 o = fio_options;
07b3232d
JA		 4590 while (o->name) {
4591 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4592 o->type = FIO_OPT_INVALID;
4593 o->prof_name = NULL;
4594 }
4595 o++;
e2de69da
JA		 4596 }
4597}
f5b6bb85
JA		 4598
4599void add_opt_posval(const char *optname, const char *ival, const char *help)
4600{
4601 struct fio_option *o;
4602 unsigned int i;
4603
9af4a244 4604 o = find_option(fio_options, optname);
f5b6bb85
JA		 4605 if (!o)
4606 return;
4607
4608 for (i = 0; i < PARSE_MAX_VP; i++) {
4609 if (o->posval[i].ival)
4610 continue;
4611
4612 o->posval[i].ival = ival;
4613 o->posval[i].help = help;
4614 break;
4615 }
4616}
4617
4618void del_opt_posval(const char *optname, const char *ival)
4619{
4620 struct fio_option *o;
4621 unsigned int i;
4622
9af4a244 4623 o = find_option(fio_options, optname);
f5b6bb85
JA		 4624 if (!o)
4625 return;
4626
4627 for (i = 0; i < PARSE_MAX_VP; i++) {
4628 if (!o->posval[i].ival)
4629 continue;
4630 if (strcmp(o->posval[i].ival, ival))
4631 continue;
4632
4633 o->posval[i].ival = NULL;
4634 o->posval[i].help = NULL;
4635 }
4636}
7e356b2d
JA		 4637
4638void fio_options_free(struct thread_data *td)
4639{
9af4a244 4640 options_free(fio_options, td);
de890a1e
SL		 4641 if (td->eo && td->io_ops && td->io_ops->options) {
4642 options_free(td->io_ops->options, td->eo);
4643 free(td->eo);
4644 td->eo = NULL;
4645 }
7e356b2d 4646}
c504ee55
JA		 4647
4648struct fio_option *fio_option_find(const char *name)
4649{
4650 return find_option(fio_options, name);
4651}
4652
f0e7f45a
JA		 4653static struct fio_option *find_next_opt(struct thread_options *o,
4654 struct fio_option *from,
4655 unsigned int off1)
a8523a6a 4656{
f0e7f45a 4657 struct fio_option *opt;
a8523a6a 4658
f0e7f45a
JA		 4659 if (!from)
4660 from = &fio_options[0];
4661 else
4662 from++;
4663
4664 opt = NULL;
4665 do {
4666 if (off1 == from->off1) {
4667 opt = from;
a8523a6a
JA		 4668 break;
4669 }
f0e7f45a
JA		 4670 from++;
4671 } while (from->name);
a8523a6a 4672
f0e7f45a
JA		 4673 return opt;
4674}
4675
4676static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4677{
4678 unsigned int opt_off, index, offset;
a8523a6a
JA		 4679
4680 opt_off = opt - &fio_options[0];
4681 index = opt_off / (8 * sizeof(uint64_t));
4682 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4683 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 4684}
4685
72f39748 4686bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 4687{
4688 struct fio_option *opt, *next;
4689
4690 next = NULL;
4691 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4692 if (opt_is_set(o, opt))
72f39748 4693 return true;
f0e7f45a
JA		 4694
4695 next = opt;
4696 }
4697
72f39748 4698 return false;
f0e7f45a
JA		 4699}
4700
a8523a6a
JA		 4701void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4702{
4703 unsigned int opt_off, index, offset;
4704
4705 opt_off = opt - &fio_options[0];
4706 index = opt_off / (8 * sizeof(uint64_t));
4707 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4708 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 4709}
fio - Flexible IO Tester