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Fio 2.10
[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 */
e13c3b50 1127int set_name_idx(char *target, size_t tlen, char *input, int index)
bcbfeefa
CE		 1128{
1129 unsigned int cur_idx;
1130 int len;
1131 char *fname, *str, *p;
1132
1133 p = str = strdup(input);
1134
1135 index %= get_max_name_idx(input);
1136 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1137 fname = get_next_name(&str);
1138
72a703da 1139 if (client_sockaddr_str[0]) {
e13c3b50
JA		 1140 len = snprintf(target, tlen, "%s/%s.", fname,
1141 client_sockaddr_str);
1142 } else
1143 len = snprintf(target, tlen, "%s/", fname);
72a703da 1144
e13c3b50 1145 target[tlen - 1] = '\0';
bcbfeefa
CE		 1146 free(p);
1147
1148 return len;
1149}
1150
214e1eca
JA		 1151static int str_filename_cb(void *data, const char *input)
1152{
1153 struct thread_data *td = data;
1154 char *fname, *str, *p;
1155
1156 p = str = strdup(input);
1157
1158 strip_blank_front(&str);
1159 strip_blank_end(str);
1160
1161 if (!td->files_index)
2dc1bbeb 1162 td->o.nr_files = 0;
214e1eca 1163
bcbfeefa 1164 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 1165 if (!strlen(fname))
1166 break;
5903e7b7 1167 add_file(td, fname, 0, 1);
214e1eca
JA		 1168 }
1169
1170 free(p);
1171 return 0;
1172}
1173
bcbfeefa 1174static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca
JA		 1175{
1176 struct thread_data *td = data;
1177 struct stat sb;
bcbfeefa
CE		 1178 char *dirname, *str, *p;
1179 int ret = 0;
214e1eca 1180
f9633d72
JA		 1181 if (parse_dryrun())
1182 return 0;
1183
bcbfeefa
CE		 1184 p = str = strdup(td->o.directory);
1185 while ((dirname = get_next_name(&str)) != NULL) {
1186 if (lstat(dirname, &sb) < 0) {
1187 ret = errno;
921c766f 1188
bcbfeefa
CE		 1189 log_err("fio: %s is not a directory\n", dirname);
1190 td_verror(td, ret, "lstat");
1191 goto out;
1192 }
1193 if (!S_ISDIR(sb.st_mode)) {
1194 log_err("fio: %s is not a directory\n", dirname);
1195 ret = 1;
1196 goto out;
1197 }
214e1eca
JA		 1198 }
1199
bcbfeefa
CE		 1200out:
1201 free(p);
1202 return ret;
214e1eca
JA		 1203}
1204
1205static int str_opendir_cb(void *data, const char fio_unused *str)
1206{
1207 struct thread_data *td = data;
1208
52c0cea3
JA		 1209 if (parse_dryrun())
1210 return 0;
1211
214e1eca 1212 if (!td->files_index)
2dc1bbeb 1213 td->o.nr_files = 0;
214e1eca 1214
2dc1bbeb 1215 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1216}
1217
ce35b1ec
JA		 1218static int str_buffer_pattern_cb(void *data, const char *input)
1219{
1220 struct thread_data *td = data;
1221 int ret;
1222
61b9861d
RP		 1223 /* FIXME: for now buffer pattern does not support formats */
1224 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1225 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1226 if (ret < 0)
1227 return 1;
ce35b1ec 1228
61b9861d
RP		 1229 assert(ret != 0);
1230 td->o.buffer_pattern_bytes = ret;
1231 if (!td->o.compress_percentage)
1232 td->o.refill_buffers = 0;
1233 td->o.scramble_buffers = 0;
1234 td->o.zero_buffers = 0;
efcd9dcc 1235
61b9861d 1236 return 0;
ce35b1ec
JA		 1237}
1238
bedc9dc2
JA		 1239static int str_buffer_compress_cb(void *data, unsigned long long *il)
1240{
1241 struct thread_data *td = data;
1242
1243 td->flags |= TD_F_COMPRESS;
1244 td->o.compress_percentage = *il;
1245 return 0;
1246}
1247
5c94b008
JA		 1248static int str_dedupe_cb(void *data, unsigned long long *il)
1249{
1250 struct thread_data *td = data;
1251
1252 td->flags |= TD_F_COMPRESS;
1253 td->o.dedupe_percentage = *il;
1254 td->o.refill_buffers = 1;
1255 return 0;
1256}
1257
ce35b1ec
JA		 1258static int str_verify_pattern_cb(void *data, const char *input)
1259{
1260 struct thread_data *td = data;
1261 int ret;
1262
61b9861d
RP		 1263 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1264 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA		 1265 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1266 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1267 if (ret < 0)
1268 return 1;
efcd9dcc 1269
61b9861d
RP		 1270 assert(ret != 0);
1271 td->o.verify_pattern_bytes = ret;
92bf48d5 1272 /*
b638d82f 1273 * VERIFY_* could already be set
92bf48d5 1274 */
61b9861d 1275 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1276 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1277
61b9861d 1278 return 0;
90059d65 1279}
214e1eca 1280
993bf48b
JA		 1281static int str_gtod_reduce_cb(void *data, int *il)
1282{
1283 struct thread_data *td = data;
1284 int val = *il;
1285
02af0988 1286 td->o.disable_lat = !!val;
993bf48b
JA		 1287 td->o.disable_clat = !!val;
1288 td->o.disable_slat = !!val;
1289 td->o.disable_bw = !!val;
0dc1bc03 1290 td->o.clat_percentiles = !val;
993bf48b
JA		 1291 if (val)
1292 td->tv_cache_mask = 63;
1293
1294 return 0;
1295}
1296
7bb59102
JA		 1297static int str_size_cb(void *data, unsigned long long *__val)
1298{
1299 struct thread_data *td = data;
1300 unsigned long long v = *__val;
1301
1302 if (parse_is_percent(v)) {
1303 td->o.size = 0;
1304 td->o.size_percent = -1ULL - v;
1305 } else
1306 td->o.size = v;
1307
1308 return 0;
1309}
1310
896cac2a
JA		 1311static int rw_verify(struct fio_option *o, void *data)
1312{
1313 struct thread_data *td = data;
1314
1315 if (read_only && td_write(td)) {
1316 log_err("fio: job <%s> has write bit set, but fio is in"
1317 " read-only mode\n", td->o.name);
1318 return 1;
1319 }
1320
1321 return 0;
1322}
1323
276ca4f7 1324static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1325{
276ca4f7 1326#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA		 1327 struct thread_data *td = data;
1328
29d43ff9
JA		 1329 if (td->o.gtod_cpu) {
1330 log_err("fio: platform must support CPU affinity for"
1331 "gettimeofday() offloading\n");
1332 return 1;
1333 }
1334#endif
1335
1336 return 0;
1337}
1338
214e1eca
JA		 1339/*
1340 * Map of job/command line options
1341 */
9af4a244 1342struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1343 {
1344 .name = "description",
e8b0e958 1345 .lname = "Description of job",
214e1eca
JA		 1346 .type = FIO_OPT_STR_STORE,
1347 .off1 = td_var_offset(description),
1348 .help = "Text job description",
e8b0e958 1349 .category = FIO_OPT_C_GENERAL,
0626037e 1350 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1351 },
1352 {
1353 .name = "name",
e8b0e958 1354 .lname = "Job name",
214e1eca
JA		 1355 .type = FIO_OPT_STR_STORE,
1356 .off1 = td_var_offset(name),
1357 .help = "Name of this job",
e8b0e958 1358 .category = FIO_OPT_C_GENERAL,
0626037e 1359 .group = FIO_OPT_G_DESC,
214e1eca 1360 },
9cc8cb91
AK		 1361 {
1362 .name = "wait_for",
1363 .lname = "Waitee name",
1364 .type = FIO_OPT_STR_STORE,
1365 .off1 = td_var_offset(wait_for),
1366 .help = "Name of the job this one wants to wait for before starting",
1367 .category = FIO_OPT_C_GENERAL,
1368 .group = FIO_OPT_G_DESC,
1369 },
214e1eca
JA		 1370 {
1371 .name = "filename",
e8b0e958 1372 .lname = "Filename(s)",
214e1eca
JA		 1373 .type = FIO_OPT_STR_STORE,
1374 .off1 = td_var_offset(filename),
1375 .cb = str_filename_cb,
f0d524b0 1376 .prio = -1, /* must come after "directory" */
214e1eca 1377 .help = "File(s) to use for the workload",
e8b0e958 1378 .category = FIO_OPT_C_FILE,
0626037e 1379 .group = FIO_OPT_G_FILENAME,
214e1eca 1380 },
90fef2d1 1381 {
e8b0e958
JA		 1382 .name = "directory",
1383 .lname = "Directory",
1384 .type = FIO_OPT_STR_STORE,
1385 .off1 = td_var_offset(directory),
1386 .cb = str_directory_cb,
1387 .help = "Directory to store files in",
1388 .category = FIO_OPT_C_FILE,
0626037e 1389 .group = FIO_OPT_G_FILENAME,
90fef2d1 1390 },
de98bd30
JA		 1391 {
1392 .name = "filename_format",
1393 .type = FIO_OPT_STR_STORE,
1394 .off1 = td_var_offset(filename_format),
1395 .prio = -1, /* must come after "directory" */
1396 .help = "Override default $jobname.$jobnum.$filenum naming",
1397 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1398 .category = FIO_OPT_C_FILE,
1399 .group = FIO_OPT_G_FILENAME,
ad705bcb 1400 },
29c1349f
JA		 1401 {
1402 .name = "lockfile",
e8b0e958 1403 .lname = "Lockfile",
4d4e80f2 1404 .type = FIO_OPT_STR,
4d4e80f2 1405 .off1 = td_var_offset(file_lock_mode),
29c1349f 1406 .help = "Lock file when doing IO to it",
bc6a0a5d 1407 .prio = 1,
29c1349f 1408 .parent = "filename",
d71c154c 1409 .hide = 0,
4d4e80f2 1410 .def = "none",
e8b0e958 1411 .category = FIO_OPT_C_FILE,
0626037e 1412 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1413 .posval = {
1414 { .ival = "none",
1415 .oval = FILE_LOCK_NONE,
1416 .help = "No file locking",
1417 },
1418 { .ival = "exclusive",
1419 .oval = FILE_LOCK_EXCLUSIVE,
1420 .help = "Exclusive file lock",
1421 },
1422 {
1423 .ival = "readwrite",
1424 .oval = FILE_LOCK_READWRITE,
1425 .help = "Read vs write lock",
1426 },
1427 },
29c1349f 1428 },
214e1eca
JA		 1429 {
1430 .name = "opendir",
e8b0e958 1431 .lname = "Open directory",
214e1eca
JA		 1432 .type = FIO_OPT_STR_STORE,
1433 .off1 = td_var_offset(opendir),
1434 .cb = str_opendir_cb,
1435 .help = "Recursively add files from this directory and down",
e8b0e958 1436 .category = FIO_OPT_C_FILE,
0626037e 1437 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1438 },
1439 {
1440 .name = "rw",
e8b0e958 1441 .lname = "Read/write",
d3aad8f2 1442 .alias = "readwrite",
214e1eca 1443 .type = FIO_OPT_STR,
211097b2 1444 .cb = str_rw_cb,
214e1eca
JA		 1445 .off1 = td_var_offset(td_ddir),
1446 .help = "IO direction",
1447 .def = "read",
896cac2a 1448 .verify = rw_verify,
e8b0e958 1449 .category = FIO_OPT_C_IO,
0626037e 1450 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1451 .posval = {
1452 { .ival = "read",
1453 .oval = TD_DDIR_READ,
1454 .help = "Sequential read",
1455 },
1456 { .ival = "write",
1457 .oval = TD_DDIR_WRITE,
1458 .help = "Sequential write",
1459 },
6eaf09d6
SL		 1460 { .ival = "trim",
1461 .oval = TD_DDIR_TRIM,
1462 .help = "Sequential trim",
1463 },
214e1eca
JA		 1464 { .ival = "randread",
1465 .oval = TD_DDIR_RANDREAD,
1466 .help = "Random read",
1467 },
1468 { .ival = "randwrite",
1469 .oval = TD_DDIR_RANDWRITE,
1470 .help = "Random write",
1471 },
6eaf09d6
SL		 1472 { .ival = "randtrim",
1473 .oval = TD_DDIR_RANDTRIM,
1474 .help = "Random trim",
1475 },
214e1eca
JA		 1476 { .ival = "rw",
1477 .oval = TD_DDIR_RW,
1478 .help = "Sequential read and write mix",
1479 },
10b023db
JA		 1480 { .ival = "readwrite",
1481 .oval = TD_DDIR_RW,
1482 .help = "Sequential read and write mix",
1483 },
214e1eca
JA		 1484 { .ival = "randrw",
1485 .oval = TD_DDIR_RANDRW,
1486 .help = "Random read and write mix"
1487 },
82a90686
JA		 1488 { .ival = "trimwrite",
1489 .oval = TD_DDIR_TRIMWRITE,
1490 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1491 },
214e1eca
JA		 1492 },
1493 },
38dad62d
JA		 1494 {
1495 .name = "rw_sequencer",
e8b0e958 1496 .lname = "RW Sequencer",
38dad62d
JA		 1497 .type = FIO_OPT_STR,
1498 .off1 = td_var_offset(rw_seq),
1499 .help = "IO offset generator modifier",
1500 .def = "sequential",
e8b0e958 1501 .category = FIO_OPT_C_IO,
0626037e 1502 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1503 .posval = {
1504 { .ival = "sequential",
1505 .oval = RW_SEQ_SEQ,
1506 .help = "Generate sequential offsets",
1507 },
1508 { .ival = "identical",
1509 .oval = RW_SEQ_IDENT,
1510 .help = "Generate identical offsets",
1511 },
1512 },
1513 },
1514
214e1eca
JA		 1515 {
1516 .name = "ioengine",
e8b0e958 1517 .lname = "IO Engine",
214e1eca
JA		 1518 .type = FIO_OPT_STR_STORE,
1519 .off1 = td_var_offset(ioengine),
1520 .help = "IO engine to use",
58483fa4 1521 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1522 .category = FIO_OPT_C_IO,
0626037e 1523 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1524 .posval = {
1525 { .ival = "sync",
1526 .help = "Use read/write",
1527 },
a31041ea 1528 { .ival = "psync",
1529 .help = "Use pread/pwrite",
1530 },
1d2af02a 1531 { .ival = "vsync",
03e20d68 1532 .help = "Use readv/writev",
1d2af02a 1533 },
07fc0acd
JA		 1534#ifdef CONFIG_PWRITEV
1535 { .ival = "pvsync",
1536 .help = "Use preadv/pwritev",
1537 },
1538#endif
526c403d 1539#ifdef CONFIG_PWRITEV2
2cafffbe
JA		 1540 { .ival = "pvsync2",
1541 .help = "Use preadv2/pwritev2",
1542 },
1543#endif
67bf9823 1544#ifdef CONFIG_LIBAIO
214e1eca
JA		 1545 { .ival = "libaio",
1546 .help = "Linux native asynchronous IO",
1547 },
1548#endif
67bf9823 1549#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1550 { .ival = "posixaio",
1551 .help = "POSIX asynchronous IO",
1552 },
417f0068 1553#endif
997843cb 1554#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1555 { .ival = "solarisaio",
1556 .help = "Solaris native asynchronous IO",
1557 },
214e1eca 1558#endif
4700b234 1559#ifdef CONFIG_WINDOWSAIO
03e20d68 1560 { .ival = "windowsaio",
3be80071 1561 .help = "Windows native asynchronous IO"
de890a1e 1562 },
fc5c0345
DG		 1563#endif
1564#ifdef CONFIG_RBD
1565 { .ival = "rbd",
1566 .help = "Rados Block Device asynchronous IO"
1567 },
3be80071 1568#endif
214e1eca 1569 { .ival = "mmap",
03e20d68 1570 .help = "Memory mapped IO"
214e1eca 1571 },
67bf9823 1572#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1573 { .ival = "splice",
1574 .help = "splice/vmsplice based IO",
1575 },
9cce02e8
JA		 1576 { .ival = "netsplice",
1577 .help = "splice/vmsplice to/from the network",
1578 },
214e1eca
JA		 1579#endif
1580#ifdef FIO_HAVE_SGIO
1581 { .ival = "sg",
1582 .help = "SCSI generic v3 IO",
1583 },
1584#endif
1585 { .ival = "null",
1586 .help = "Testing engine (no data transfer)",
1587 },
1588 { .ival = "net",
1589 .help = "Network IO",
1590 },
214e1eca 1591 { .ival = "cpuio",
03e20d68 1592 .help = "CPU cycle burner engine",
214e1eca 1593 },
67bf9823 1594#ifdef CONFIG_GUASI
b8c82a46
JA		 1595 { .ival = "guasi",
1596 .help = "GUASI IO engine",
1597 },
79a43187
JA		 1598#endif
1599#ifdef FIO_HAVE_BINJECT
1600 { .ival = "binject",
1601 .help = "binject direct inject block engine",
1602 },
21b8aee8 1603#endif
67bf9823 1604#ifdef CONFIG_RDMA
21b8aee8 1605 { .ival = "rdma",
1606 .help = "RDMA IO engine",
1607 },
8200b8c7 1608#endif
67bf9823 1609#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1610 { .ival = "fusion-aw-sync",
1611 .help = "Fusion-io atomic write engine",
1612 },
1ecc95ca 1613#endif
997843cb 1614#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1615 { .ival = "e4defrag",
1616 .help = "ext4 defrag engine",
1617 },
1618#endif
997843cb 1619#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1620 { .ival = "falloc",
1621 .help = "fallocate() file based engine",
1622 },
b8c82a46 1623#endif
a7c386f4 1624#ifdef CONFIG_GFAPI
1625 { .ival = "gfapi",
cc47f094 1626 .help = "Glusterfs libgfapi(sync) based engine"
1627 },
1628 { .ival = "gfapi_async",
1629 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1630 },
1631#endif
1b10477b 1632#ifdef CONFIG_LIBHDFS
b74e419e 1633 { .ival = "libhdfs",
1b10477b
MM		 1634 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1635 },
5c4ef02e
JA		 1636#endif
1637#ifdef CONFIG_PMEMBLK
1638 { .ival = "pmemblk",
1639 .help = "NVML libpmemblk based IO engine",
1640 },
1641
1b10477b 1642#endif
214e1eca
JA		 1643 { .ival = "external",
1644 .help = "Load external engine (append name)",
1645 },
1646 },
1647 },
1648 {
1649 .name = "iodepth",
e8b0e958 1650 .lname = "IO Depth",
214e1eca
JA		 1651 .type = FIO_OPT_INT,
1652 .off1 = td_var_offset(iodepth),
03e20d68 1653 .help = "Number of IO buffers to keep in flight",
757aff4f 1654 .minval = 1,
20eb06bd 1655 .interval = 1,
214e1eca 1656 .def = "1",
e8b0e958 1657 .category = FIO_OPT_C_IO,
0626037e 1658 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1659 },
1660 {
1661 .name = "iodepth_batch",
e8b0e958 1662 .lname = "IO Depth batch",
4950421a 1663 .alias = "iodepth_batch_submit",
214e1eca
JA		 1664 .type = FIO_OPT_INT,
1665 .off1 = td_var_offset(iodepth_batch),
d65db441 1666 .help = "Number of IO buffers to submit in one go",
afdf9352 1667 .parent = "iodepth",
d71c154c 1668 .hide = 1,
a2e6f8ac 1669 .minval = 1,
20eb06bd 1670 .interval = 1,
a2e6f8ac 1671 .def = "1",
e8b0e958 1672 .category = FIO_OPT_C_IO,
0626037e 1673 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1674 },
1675 {
82407585
RP		 1676 .name = "iodepth_batch_complete_min",
1677 .lname = "Min IO depth batch complete",
1678 .alias = "iodepth_batch_complete",
4950421a 1679 .type = FIO_OPT_INT,
82407585
RP		 1680 .off1 = td_var_offset(iodepth_batch_complete_min),
1681 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1682 .parent = "iodepth",
d71c154c 1683 .hide = 1,
4950421a 1684 .minval = 0,
20eb06bd 1685 .interval = 1,
4950421a 1686 .def = "1",
e8b0e958 1687 .category = FIO_OPT_C_IO,
0626037e 1688 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1689 },
82407585
RP		 1690 {
1691 .name = "iodepth_batch_complete_max",
1692 .lname = "Max IO depth batch complete",
1693 .type = FIO_OPT_INT,
1694 .off1 = td_var_offset(iodepth_batch_complete_max),
1695 .help = "Max number of IO buffers to retrieve in one go",
1696 .parent = "iodepth",
1697 .hide = 1,
1698 .minval = 0,
1699 .interval = 1,
1700 .category = FIO_OPT_C_IO,
1701 .group = FIO_OPT_G_IO_BASIC,
1702 },
214e1eca
JA		 1703 {
1704 .name = "iodepth_low",
e8b0e958 1705 .lname = "IO Depth batch low",
214e1eca
JA		 1706 .type = FIO_OPT_INT,
1707 .off1 = td_var_offset(iodepth_low),
1708 .help = "Low water mark for queuing depth",
afdf9352 1709 .parent = "iodepth",
d71c154c 1710 .hide = 1,
20eb06bd 1711 .interval = 1,
e8b0e958 1712 .category = FIO_OPT_C_IO,
0626037e 1713 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1714 },
a9da8ab2
JA		 1715 {
1716 .name = "io_submit_mode",
1717 .lname = "IO submit mode",
1718 .type = FIO_OPT_STR,
1719 .off1 = td_var_offset(io_submit_mode),
1720 .help = "How IO submissions and completions are done",
1721 .def = "inline",
1722 .category = FIO_OPT_C_IO,
1723 .group = FIO_OPT_G_IO_BASIC,
1724 .posval = {
1725 { .ival = "inline",
1726 .oval = IO_MODE_INLINE,
1727 .help = "Submit and complete IO inline",
1728 },
1729 { .ival = "offload",
1730 .oval = IO_MODE_OFFLOAD,
1731 .help = "Offload submit and complete to threads",
1732 },
1733 },
1734 },
214e1eca
JA		 1735 {
1736 .name = "size",
e8b0e958 1737 .lname = "Size",
214e1eca 1738 .type = FIO_OPT_STR_VAL,
7bb59102 1739 .cb = str_size_cb,
a8523a6a 1740 .off1 = td_var_offset(size),
214e1eca 1741 .help = "Total size of device or files",
20eb06bd 1742 .interval = 1024 * 1024,
e8b0e958
JA		 1743 .category = FIO_OPT_C_IO,
1744 .group = FIO_OPT_G_INVALID,
214e1eca 1745 },
77731b29 1746 {
a4d3b4db
JA		 1747 .name = "io_size",
1748 .alias = "io_limit",
1749 .lname = "IO Size",
77731b29
JA		 1750 .type = FIO_OPT_STR_VAL,
1751 .off1 = td_var_offset(io_limit),
1752 .interval = 1024 * 1024,
1753 .category = FIO_OPT_C_IO,
1754 .group = FIO_OPT_G_INVALID,
1755 },
aa31f1f1
SL		 1756 {
1757 .name = "fill_device",
e8b0e958 1758 .lname = "Fill device",
74586c1e 1759 .alias = "fill_fs",
aa31f1f1
SL		 1760 .type = FIO_OPT_BOOL,
1761 .off1 = td_var_offset(fill_device),
1762 .help = "Write until an ENOSPC error occurs",
1763 .def = "0",
e8b0e958
JA		 1764 .category = FIO_OPT_C_FILE,
1765 .group = FIO_OPT_G_INVALID,
aa31f1f1 1766 },
214e1eca
JA		 1767 {
1768 .name = "filesize",
e8b0e958 1769 .lname = "File size",
214e1eca
JA		 1770 .type = FIO_OPT_STR_VAL,
1771 .off1 = td_var_offset(file_size_low),
1772 .off2 = td_var_offset(file_size_high),
c3edbdba 1773 .minval = 1,
214e1eca 1774 .help = "Size of individual files",
20eb06bd 1775 .interval = 1024 * 1024,
e8b0e958
JA		 1776 .category = FIO_OPT_C_FILE,
1777 .group = FIO_OPT_G_INVALID,
214e1eca 1778 },
bedc9dc2
JA		 1779 {
1780 .name = "file_append",
1781 .lname = "File append",
1782 .type = FIO_OPT_BOOL,
1783 .off1 = td_var_offset(file_append),
1784 .help = "IO will start at the end of the file(s)",
1785 .def = "0",
1786 .category = FIO_OPT_C_FILE,
1787 .group = FIO_OPT_G_INVALID,
1788 },
67a1000f
JA		 1789 {
1790 .name = "offset",
e8b0e958 1791 .lname = "IO offset",
67a1000f
JA		 1792 .alias = "fileoffset",
1793 .type = FIO_OPT_STR_VAL,
1794 .off1 = td_var_offset(start_offset),
1795 .help = "Start IO from this offset",
1796 .def = "0",
20eb06bd 1797 .interval = 1024 * 1024,
e8b0e958
JA		 1798 .category = FIO_OPT_C_IO,
1799 .group = FIO_OPT_G_INVALID,
67a1000f 1800 },
2d7cd868
JA		 1801 {
1802 .name = "offset_increment",
e8b0e958 1803 .lname = "IO offset increment",
2d7cd868
JA		 1804 .type = FIO_OPT_STR_VAL,
1805 .off1 = td_var_offset(offset_increment),
1806 .help = "What is the increment from one offset to the next",
1807 .parent = "offset",
d71c154c 1808 .hide = 1,
2d7cd868 1809 .def = "0",
20eb06bd 1810 .interval = 1024 * 1024,
e8b0e958
JA		 1811 .category = FIO_OPT_C_IO,
1812 .group = FIO_OPT_G_INVALID,
2d7cd868 1813 },
ddf24e42
JA		 1814 {
1815 .name = "number_ios",
1816 .lname = "Number of IOs to perform",
1817 .type = FIO_OPT_STR_VAL,
1818 .off1 = td_var_offset(number_ios),
be3fec7d 1819 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1820 .def = "0",
1821 .category = FIO_OPT_C_IO,
1822 .group = FIO_OPT_G_INVALID,
1823 },
214e1eca
JA		 1824 {
1825 .name = "bs",
e8b0e958 1826 .lname = "Block size",
d3aad8f2 1827 .alias = "blocksize",
e01b22b8 1828 .type = FIO_OPT_INT,
214e1eca
JA		 1829 .off1 = td_var_offset(bs[DDIR_READ]),
1830 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1831 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1832 .minval = 1,
214e1eca
JA		 1833 .help = "Block size unit",
1834 .def = "4k",
67a1000f 1835 .parent = "rw",
d71c154c 1836 .hide = 1,
20eb06bd 1837 .interval = 512,
e8b0e958
JA		 1838 .category = FIO_OPT_C_IO,
1839 .group = FIO_OPT_G_INVALID,
214e1eca 1840 },
2b7a01d0
JA		 1841 {
1842 .name = "ba",
e8b0e958 1843 .lname = "Block size align",
2b7a01d0 1844 .alias = "blockalign",
e01b22b8 1845 .type = FIO_OPT_INT,
2b7a01d0
JA		 1846 .off1 = td_var_offset(ba[DDIR_READ]),
1847 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1848 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA		 1849 .minval = 1,
1850 .help = "IO block offset alignment",
1851 .parent = "rw",
d71c154c 1852 .hide = 1,
20eb06bd 1853 .interval = 512,
e8b0e958
JA		 1854 .category = FIO_OPT_C_IO,
1855 .group = FIO_OPT_G_INVALID,
2b7a01d0 1856 },
214e1eca
JA		 1857 {
1858 .name = "bsrange",
e8b0e958 1859 .lname = "Block size range",
d3aad8f2 1860 .alias = "blocksize_range",
214e1eca
JA		 1861 .type = FIO_OPT_RANGE,
1862 .off1 = td_var_offset(min_bs[DDIR_READ]),
1863 .off2 = td_var_offset(max_bs[DDIR_READ]),
1864 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1865 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL		 1866 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1867 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1868 .minval = 1,
214e1eca 1869 .help = "Set block size range (in more detail than bs)",
67a1000f 1870 .parent = "rw",
d71c154c 1871 .hide = 1,
20eb06bd 1872 .interval = 4096,
e8b0e958
JA		 1873 .category = FIO_OPT_C_IO,
1874 .group = FIO_OPT_G_INVALID,
214e1eca 1875 },
564ca972
JA		 1876 {
1877 .name = "bssplit",
e8b0e958 1878 .lname = "Block size split",
564ca972
JA		 1879 .type = FIO_OPT_STR,
1880 .cb = str_bssplit_cb,
a8523a6a 1881 .off1 = td_var_offset(bssplit),
564ca972
JA		 1882 .help = "Set a specific mix of block sizes",
1883 .parent = "rw",
d71c154c 1884 .hide = 1,
e8b0e958
JA		 1885 .category = FIO_OPT_C_IO,
1886 .group = FIO_OPT_G_INVALID,
564ca972 1887 },
214e1eca
JA		 1888 {
1889 .name = "bs_unaligned",
e8b0e958 1890 .lname = "Block size unaligned",
d3aad8f2 1891 .alias = "blocksize_unaligned",
214e1eca
JA		 1892 .type = FIO_OPT_STR_SET,
1893 .off1 = td_var_offset(bs_unaligned),
1894 .help = "Don't sector align IO buffer sizes",
67a1000f 1895 .parent = "rw",
d71c154c 1896 .hide = 1,
e8b0e958
JA		 1897 .category = FIO_OPT_C_IO,
1898 .group = FIO_OPT_G_INVALID,
214e1eca 1899 },
6aca9b3d
JA		 1900 {
1901 .name = "bs_is_seq_rand",
1902 .lname = "Block size division is seq/random (not read/write)",
1903 .type = FIO_OPT_BOOL,
1904 .off1 = td_var_offset(bs_is_seq_rand),
86d59660 1905 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 1906 .def = "0",
1907 .parent = "blocksize",
1908 .category = FIO_OPT_C_IO,
1909 .group = FIO_OPT_G_INVALID,
1910 },
214e1eca
JA		 1911 {
1912 .name = "randrepeat",
e8b0e958 1913 .lname = "Random repeatable",
214e1eca
JA		 1914 .type = FIO_OPT_BOOL,
1915 .off1 = td_var_offset(rand_repeatable),
1916 .help = "Use repeatable random IO pattern",
1917 .def = "1",
67a1000f 1918 .parent = "rw",
d71c154c 1919 .hide = 1,
e8b0e958 1920 .category = FIO_OPT_C_IO,
3ceb458f 1921 .group = FIO_OPT_G_RANDOM,
214e1eca 1922 },
04778baf
JA		 1923 {
1924 .name = "randseed",
1925 .lname = "The random generator seed",
363cffa7 1926 .type = FIO_OPT_STR_VAL,
04778baf
JA		 1927 .off1 = td_var_offset(rand_seed),
1928 .help = "Set the random generator seed value",
40fe5e7b 1929 .def = "0x89",
04778baf
JA		 1930 .parent = "rw",
1931 .category = FIO_OPT_C_IO,
1932 .group = FIO_OPT_G_RANDOM,
1933 },
2615cc4b
JA		 1934 {
1935 .name = "use_os_rand",
e8b0e958 1936 .lname = "Use OS random",
54a21917
JA		 1937 .type = FIO_OPT_DEPRECATED,
1938 .off1 = td_var_offset(dep_use_os_rand),
e8b0e958 1939 .category = FIO_OPT_C_IO,
3ceb458f 1940 .group = FIO_OPT_G_RANDOM,
2615cc4b 1941 },
214e1eca
JA		 1942 {
1943 .name = "norandommap",
e8b0e958 1944 .lname = "No randommap",
214e1eca
JA		 1945 .type = FIO_OPT_STR_SET,
1946 .off1 = td_var_offset(norandommap),
1947 .help = "Accept potential duplicate random blocks",
67a1000f 1948 .parent = "rw",
d71c154c 1949 .hide = 1,
b2452a43 1950 .hide_on_set = 1,
e8b0e958 1951 .category = FIO_OPT_C_IO,
3ceb458f 1952 .group = FIO_OPT_G_RANDOM,
214e1eca 1953 },
2b386d25
JA		 1954 {
1955 .name = "softrandommap",
e8b0e958 1956 .lname = "Soft randommap",
2b386d25
JA		 1957 .type = FIO_OPT_BOOL,
1958 .off1 = td_var_offset(softrandommap),
f66ab3c8 1959 .help = "Set norandommap if randommap allocation fails",
2b386d25 1960 .parent = "norandommap",
d71c154c 1961 .hide = 1,
2b386d25 1962 .def = "0",
e8b0e958 1963 .category = FIO_OPT_C_IO,
3ceb458f 1964 .group = FIO_OPT_G_RANDOM,
2b386d25 1965 },
8055e41d
JA		 1966 {
1967 .name = "random_generator",
1968 .type = FIO_OPT_STR,
1969 .off1 = td_var_offset(random_generator),
1970 .help = "Type of random number generator to use",
1971 .def = "tausworthe",
1972 .posval = {
1973 { .ival = "tausworthe",
1974 .oval = FIO_RAND_GEN_TAUSWORTHE,
1975 .help = "Strong Tausworthe generator",
1976 },
1977 { .ival = "lfsr",
1978 .oval = FIO_RAND_GEN_LFSR,
1979 .help = "Variable length LFSR",
1980 },
c3546b53
JA		 1981 {
1982 .ival = "tausworthe64",
1983 .oval = FIO_RAND_GEN_TAUSWORTHE64,
1984 .help = "64-bit Tausworthe variant",
1985 },
8055e41d 1986 },
48107598
JA		 1987 .category = FIO_OPT_C_IO,
1988 .group = FIO_OPT_G_RANDOM,
8055e41d 1989 },
e25839d4
JA		 1990 {
1991 .name = "random_distribution",
1992 .type = FIO_OPT_STR,
1993 .off1 = td_var_offset(random_distribution),
1994 .cb = str_random_distribution_cb,
1995 .help = "Random offset distribution generator",
1996 .def = "random",
1997 .posval = {
1998 { .ival = "random",
1999 .oval = FIO_RAND_DIST_RANDOM,
2000 .help = "Completely random",
2001 },
2002 { .ival = "zipf",
2003 .oval = FIO_RAND_DIST_ZIPF,
2004 .help = "Zipf distribution",
2005 },
925fee33
JA		 2006 { .ival = "pareto",
2007 .oval = FIO_RAND_DIST_PARETO,
2008 .help = "Pareto distribution",
2009 },
56d9fa4b
JA		 2010 { .ival = "normal",
2011 .oval = FIO_RAND_DIST_GAUSS,
2012 .help = "Normal (gaussian) distribution",
2013 },
e0a04ac1
JA		 2014 { .ival = "zoned",
2015 .oval = FIO_RAND_DIST_ZONED,
2016 .help = "Zoned random distribution",
2017 },
2018
e25839d4 2019 },
48107598
JA		 2020 .category = FIO_OPT_C_IO,
2021 .group = FIO_OPT_G_RANDOM,
e25839d4 2022 },
211c9b89
JA		 2023 {
2024 .name = "percentage_random",
2025 .lname = "Percentage Random",
2026 .type = FIO_OPT_INT,
d9472271
JA		 2027 .off1 = td_var_offset(perc_rand[DDIR_READ]),
2028 .off2 = td_var_offset(perc_rand[DDIR_WRITE]),
2029 .off3 = td_var_offset(perc_rand[DDIR_TRIM]),
211c9b89
JA		 2030 .maxval = 100,
2031 .help = "Percentage of seq/random mix that should be random",
d9472271 2032 .def = "100,100,100",
211c9b89
JA		 2033 .interval = 5,
2034 .inverse = "percentage_sequential",
2035 .category = FIO_OPT_C_IO,
2036 .group = FIO_OPT_G_RANDOM,
2037 },
2038 {
2039 .name = "percentage_sequential",
2040 .lname = "Percentage Sequential",
d9472271 2041 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2042 .category = FIO_OPT_C_IO,
2043 .group = FIO_OPT_G_RANDOM,
2044 },
56e2a5fc
CE		 2045 {
2046 .name = "allrandrepeat",
2047 .type = FIO_OPT_BOOL,
2048 .off1 = td_var_offset(allrand_repeatable),
2049 .help = "Use repeatable random numbers for everything",
2050 .def = "0",
a869d9c6
JA		 2051 .category = FIO_OPT_C_IO,
2052 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2053 },
214e1eca
JA		 2054 {
2055 .name = "nrfiles",
e8b0e958 2056 .lname = "Number of files",
d7c8be03 2057 .alias = "nr_files",
214e1eca
JA		 2058 .type = FIO_OPT_INT,
2059 .off1 = td_var_offset(nr_files),
2060 .help = "Split job workload between this number of files",
2061 .def = "1",
20eb06bd 2062 .interval = 1,
e8b0e958
JA		 2063 .category = FIO_OPT_C_FILE,
2064 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2065 },
2066 {
2067 .name = "openfiles",
e8b0e958 2068 .lname = "Number of open files",
214e1eca
JA		 2069 .type = FIO_OPT_INT,
2070 .off1 = td_var_offset(open_files),
2071 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2072 .category = FIO_OPT_C_FILE,
2073 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2074 },
2075 {
2076 .name = "file_service_type",
e8b0e958 2077 .lname = "File service type",
214e1eca
JA		 2078 .type = FIO_OPT_STR,
2079 .cb = str_fst_cb,
2080 .off1 = td_var_offset(file_service_type),
2081 .help = "How to select which file to service next",
2082 .def = "roundrobin",
e8b0e958
JA		 2083 .category = FIO_OPT_C_FILE,
2084 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2085 .posval = {
2086 { .ival = "random",
2087 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2088 .help = "Choose a file at random (uniform)",
2089 },
2090 { .ival = "zipf",
2091 .oval = FIO_FSERVICE_ZIPF,
2092 .help = "Zipf randomized",
2093 },
2094 { .ival = "pareto",
2095 .oval = FIO_FSERVICE_PARETO,
2096 .help = "Pareto randomized",
2097 },
2098 { .ival = "gauss",
2099 .oval = FIO_FSERVICE_GAUSS,
2100 .help = "Normal (guassian) distribution",
214e1eca
JA		 2101 },
2102 { .ival = "roundrobin",
2103 .oval = FIO_FSERVICE_RR,
2104 .help = "Round robin select files",
2105 },
a086c257
JA		 2106 { .ival = "sequential",
2107 .oval = FIO_FSERVICE_SEQ,
2108 .help = "Finish one file before moving to the next",
2109 },
214e1eca 2110 },
67a1000f 2111 .parent = "nrfiles",
d71c154c 2112 .hide = 1,
67a1000f 2113 },
97ac992c 2114#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2115 {
2116 .name = "fallocate",
e8b0e958 2117 .lname = "Fallocate",
a596f047
EG		 2118 .type = FIO_OPT_STR,
2119 .off1 = td_var_offset(fallocate_mode),
2120 .help = "Whether pre-allocation is performed when laying out files",
2121 .def = "posix",
e8b0e958
JA		 2122 .category = FIO_OPT_C_FILE,
2123 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2124 .posval = {
2125 { .ival = "none",
2126 .oval = FIO_FALLOCATE_NONE,
2127 .help = "Do not pre-allocate space",
2128 },
2129 { .ival = "posix",
2130 .oval = FIO_FALLOCATE_POSIX,
2131 .help = "Use posix_fallocate()",
2132 },
97ac992c 2133#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2134 { .ival = "keep",
2135 .oval = FIO_FALLOCATE_KEEP_SIZE,
2136 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2137 },
7bc8c2cf 2138#endif
a596f047
EG		 2139 /* Compatibility with former boolean values */
2140 { .ival = "0",
2141 .oval = FIO_FALLOCATE_NONE,
2142 .help = "Alias for 'none'",
2143 },
2144 { .ival = "1",
2145 .oval = FIO_FALLOCATE_POSIX,
2146 .help = "Alias for 'posix'",
2147 },
2148 },
2149 },
97ac992c 2150#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2151 {
2152 .name = "fadvise_hint",
e8b0e958 2153 .lname = "Fadvise hint",
67a1000f
JA		 2154 .type = FIO_OPT_BOOL,
2155 .off1 = td_var_offset(fadvise_hint),
2156 .help = "Use fadvise() to advise the kernel on IO pattern",
2157 .def = "1",
e8b0e958
JA		 2158 .category = FIO_OPT_C_FILE,
2159 .group = FIO_OPT_G_INVALID,
214e1eca 2160 },
37659335
JA		 2161#ifdef FIO_HAVE_STREAMID
2162 {
2163 .name = "fadvise_stream",
2164 .lname = "Fadvise stream",
2165 .type = FIO_OPT_INT,
2166 .off1 = td_var_offset(fadvise_stream),
2167 .help = "Use fadvise() to set stream ID",
2168 .category = FIO_OPT_C_FILE,
2169 .group = FIO_OPT_G_INVALID,
2170 },
2171#endif
214e1eca
JA		 2172 {
2173 .name = "fsync",
e8b0e958 2174 .lname = "Fsync",
214e1eca
JA		 2175 .type = FIO_OPT_INT,
2176 .off1 = td_var_offset(fsync_blocks),
2177 .help = "Issue fsync for writes every given number of blocks",
2178 .def = "0",
20eb06bd 2179 .interval = 1,
e8b0e958
JA		 2180 .category = FIO_OPT_C_FILE,
2181 .group = FIO_OPT_G_INVALID,
214e1eca 2182 },
5f9099ea
JA		 2183 {
2184 .name = "fdatasync",
e8b0e958 2185 .lname = "Fdatasync",
5f9099ea
JA		 2186 .type = FIO_OPT_INT,
2187 .off1 = td_var_offset(fdatasync_blocks),
2188 .help = "Issue fdatasync for writes every given number of blocks",
2189 .def = "0",
20eb06bd 2190 .interval = 1,
e8b0e958
JA		 2191 .category = FIO_OPT_C_FILE,
2192 .group = FIO_OPT_G_INVALID,
5f9099ea 2193 },
1ef2b6be
JA		 2194 {
2195 .name = "write_barrier",
e8b0e958 2196 .lname = "Write barrier",
1ef2b6be
JA		 2197 .type = FIO_OPT_INT,
2198 .off1 = td_var_offset(barrier_blocks),
2199 .help = "Make every Nth write a barrier write",
2200 .def = "0",
20eb06bd 2201 .interval = 1,
e8b0e958
JA		 2202 .category = FIO_OPT_C_IO,
2203 .group = FIO_OPT_G_INVALID,
1ef2b6be 2204 },
67bf9823 2205#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2206 {
2207 .name = "sync_file_range",
e8b0e958 2208 .lname = "Sync file range",
44f29692
JA		 2209 .posval = {
2210 { .ival = "wait_before",
2211 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2212 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2213 .orval = 1,
44f29692
JA		 2214 },
2215 { .ival = "write",
2216 .oval = SYNC_FILE_RANGE_WRITE,
2217 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2218 .orval = 1,
44f29692
JA		 2219 },
2220 {
2221 .ival = "wait_after",
2222 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2223 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2224 .orval = 1,
44f29692
JA		 2225 },
2226 },
3843deb3 2227 .type = FIO_OPT_STR_MULTI,
44f29692
JA		 2228 .cb = str_sfr_cb,
2229 .off1 = td_var_offset(sync_file_range),
2230 .help = "Use sync_file_range()",
e8b0e958
JA		 2231 .category = FIO_OPT_C_FILE,
2232 .group = FIO_OPT_G_INVALID,
44f29692
JA		 2233 },
2234#endif
214e1eca
JA		 2235 {
2236 .name = "direct",
e8b0e958 2237 .lname = "Direct I/O",
214e1eca
JA		 2238 .type = FIO_OPT_BOOL,
2239 .off1 = td_var_offset(odirect),
2240 .help = "Use O_DIRECT IO (negates buffered)",
2241 .def = "0",
a01a1bc5 2242 .inverse = "buffered",
e8b0e958 2243 .category = FIO_OPT_C_IO,
3ceb458f 2244 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2245 },
d01612f3
CM		 2246 {
2247 .name = "atomic",
2248 .lname = "Atomic I/O",
2249 .type = FIO_OPT_BOOL,
2250 .off1 = td_var_offset(oatomic),
2251 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2252 .def = "0",
2253 .category = FIO_OPT_C_IO,
2254 .group = FIO_OPT_G_IO_TYPE,
2255 },
214e1eca
JA		 2256 {
2257 .name = "buffered",
e8b0e958 2258 .lname = "Buffered I/O",
214e1eca
JA		 2259 .type = FIO_OPT_BOOL,
2260 .off1 = td_var_offset(odirect),
2261 .neg = 1,
2262 .help = "Use buffered IO (negates direct)",
2263 .def = "1",
a01a1bc5 2264 .inverse = "direct",
e8b0e958 2265 .category = FIO_OPT_C_IO,
3ceb458f 2266 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2267 },
2268 {
2269 .name = "overwrite",
e8b0e958 2270 .lname = "Overwrite",
214e1eca
JA		 2271 .type = FIO_OPT_BOOL,
2272 .off1 = td_var_offset(overwrite),
2273 .help = "When writing, set whether to overwrite current data",
2274 .def = "0",
e8b0e958
JA		 2275 .category = FIO_OPT_C_FILE,
2276 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2277 },
2278 {
2279 .name = "loops",
e8b0e958 2280 .lname = "Loops",
214e1eca
JA		 2281 .type = FIO_OPT_INT,
2282 .off1 = td_var_offset(loops),
2283 .help = "Number of times to run the job",
2284 .def = "1",
20eb06bd 2285 .interval = 1,
e8b0e958 2286 .category = FIO_OPT_C_GENERAL,
a1f6afec 2287 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2288 },
2289 {
2290 .name = "numjobs",
e8b0e958 2291 .lname = "Number of jobs",
214e1eca
JA		 2292 .type = FIO_OPT_INT,
2293 .off1 = td_var_offset(numjobs),
2294 .help = "Duplicate this job this many times",
2295 .def = "1",
20eb06bd 2296 .interval = 1,
e8b0e958 2297 .category = FIO_OPT_C_GENERAL,
a1f6afec 2298 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2299 },
2300 {
2301 .name = "startdelay",
e8b0e958 2302 .lname = "Start delay",
a5737c93 2303 .type = FIO_OPT_STR_VAL_TIME,
214e1eca 2304 .off1 = td_var_offset(start_delay),
23ed19b0 2305 .off2 = td_var_offset(start_delay_high),
214e1eca
JA		 2306 .help = "Only start job when this period has passed",
2307 .def = "0",
0de5b26f 2308 .is_seconds = 1,
88038bc7 2309 .is_time = 1,
e8b0e958 2310 .category = FIO_OPT_C_GENERAL,
a1f6afec 2311 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2312 },
2313 {
2314 .name = "runtime",
e8b0e958 2315 .lname = "Runtime",
214e1eca
JA		 2316 .alias = "timeout",
2317 .type = FIO_OPT_STR_VAL_TIME,
2318 .off1 = td_var_offset(timeout),
2319 .help = "Stop workload when this amount of time has passed",
2320 .def = "0",
0de5b26f 2321 .is_seconds = 1,
88038bc7 2322 .is_time = 1,
e8b0e958 2323 .category = FIO_OPT_C_GENERAL,
a1f6afec 2324 .group = FIO_OPT_G_RUNTIME,
214e1eca 2325 },
cf4464ca
JA		 2326 {
2327 .name = "time_based",
e8b0e958 2328 .lname = "Time based",
cf4464ca
JA		 2329 .type = FIO_OPT_STR_SET,
2330 .off1 = td_var_offset(time_based),
2331 .help = "Keep running until runtime/timeout is met",
e8b0e958 2332 .category = FIO_OPT_C_GENERAL,
a1f6afec 2333 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2334 },
62167762
JC		 2335 {
2336 .name = "verify_only",
2337 .lname = "Verify only",
2338 .type = FIO_OPT_STR_SET,
2339 .off1 = td_var_offset(verify_only),
2340 .help = "Verifies previously written data is still valid",
2341 .category = FIO_OPT_C_GENERAL,
2342 .group = FIO_OPT_G_RUNTIME,
2343 },
721938ae
JA		 2344 {
2345 .name = "ramp_time",
e8b0e958 2346 .lname = "Ramp time",
721938ae
JA		 2347 .type = FIO_OPT_STR_VAL_TIME,
2348 .off1 = td_var_offset(ramp_time),
2349 .help = "Ramp up time before measuring performance",
0de5b26f 2350 .is_seconds = 1,
88038bc7 2351 .is_time = 1,
e8b0e958 2352 .category = FIO_OPT_C_GENERAL,
a1f6afec 2353 .group = FIO_OPT_G_RUNTIME,
721938ae 2354 },
c223da83
JA		 2355 {
2356 .name = "clocksource",
e8b0e958 2357 .lname = "Clock source",
c223da83
JA		 2358 .type = FIO_OPT_STR,
2359 .cb = fio_clock_source_cb,
2360 .off1 = td_var_offset(clocksource),
2361 .help = "What type of timing source to use",
e8b0e958 2362 .category = FIO_OPT_C_GENERAL,
10860056 2363 .group = FIO_OPT_G_CLOCK,
c223da83 2364 .posval = {
67bf9823 2365#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2366 { .ival = "gettimeofday",
2367 .oval = CS_GTOD,
2368 .help = "Use gettimeofday(2) for timing",
2369 },
67bf9823
JA		 2370#endif
2371#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2372 { .ival = "clock_gettime",
2373 .oval = CS_CGETTIME,
2374 .help = "Use clock_gettime(2) for timing",
2375 },
67bf9823 2376#endif
c223da83
JA		 2377#ifdef ARCH_HAVE_CPU_CLOCK
2378 { .ival = "cpu",
2379 .oval = CS_CPUCLOCK,
2380 .help = "Use CPU private clock",
2381 },
2382#endif
2383 },
2384 },
214e1eca
JA		 2385 {
2386 .name = "mem",
d3aad8f2 2387 .alias = "iomem",
e8b0e958 2388 .lname = "I/O Memory",
214e1eca
JA		 2389 .type = FIO_OPT_STR,
2390 .cb = str_mem_cb,
2391 .off1 = td_var_offset(mem_type),
2392 .help = "Backing type for IO buffers",
2393 .def = "malloc",
e8b0e958
JA		 2394 .category = FIO_OPT_C_IO,
2395 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2396 .posval = {
2397 { .ival = "malloc",
2398 .oval = MEM_MALLOC,
2399 .help = "Use malloc(3) for IO buffers",
2400 },
c8931876 2401#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2402 { .ival = "shm",
2403 .oval = MEM_SHM,
2404 .help = "Use shared memory segments for IO buffers",
2405 },
214e1eca
JA		 2406#ifdef FIO_HAVE_HUGETLB
2407 { .ival = "shmhuge",
2408 .oval = MEM_SHMHUGE,
2409 .help = "Like shm, but use huge pages",
2410 },
c8931876 2411#endif
b370e46a 2412#endif
37c8cdfe
JA		 2413 { .ival = "mmap",
2414 .oval = MEM_MMAP,
2415 .help = "Use mmap(2) (file or anon) for IO buffers",
2416 },
217b0f1d
LG		 2417 { .ival = "mmapshared",
2418 .oval = MEM_MMAPSHARED,
2419 .help = "Like mmap, but use the shared flag",
2420 },
214e1eca
JA		 2421#ifdef FIO_HAVE_HUGETLB
2422 { .ival = "mmaphuge",
2423 .oval = MEM_MMAPHUGE,
2424 .help = "Like mmap, but use huge pages",
2425 },
2426#endif
2427 },
2428 },
d529ee19
JA		 2429 {
2430 .name = "iomem_align",
2431 .alias = "mem_align",
e8b0e958 2432 .lname = "I/O memory alignment",
d529ee19
JA		 2433 .type = FIO_OPT_INT,
2434 .off1 = td_var_offset(mem_align),
2435 .minval = 0,
2436 .help = "IO memory buffer offset alignment",
2437 .def = "0",
2438 .parent = "iomem",
d71c154c 2439 .hide = 1,
e8b0e958
JA		 2440 .category = FIO_OPT_C_IO,
2441 .group = FIO_OPT_G_INVALID,
d529ee19 2442 },
214e1eca
JA		 2443 {
2444 .name = "verify",
e8b0e958 2445 .lname = "Verify",
214e1eca
JA		 2446 .type = FIO_OPT_STR,
2447 .off1 = td_var_offset(verify),
2448 .help = "Verify data written",
2449 .def = "0",
e8b0e958 2450 .category = FIO_OPT_C_IO,
3ceb458f 2451 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2452 .posval = {
2453 { .ival = "0",
2454 .oval = VERIFY_NONE,
2455 .help = "Don't do IO verification",
2456 },
fcca4b58
JA		 2457 { .ival = "md5",
2458 .oval = VERIFY_MD5,
2459 .help = "Use md5 checksums for verification",
2460 },
d77a7af3
JA		 2461 { .ival = "crc64",
2462 .oval = VERIFY_CRC64,
2463 .help = "Use crc64 checksums for verification",
2464 },
214e1eca
JA		 2465 { .ival = "crc32",
2466 .oval = VERIFY_CRC32,
2467 .help = "Use crc32 checksums for verification",
2468 },
af497e6a 2469 { .ival = "crc32c-intel",
e3aaafc4
JA		 2470 .oval = VERIFY_CRC32C,
2471 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2472 },
bac39e0e
JA		 2473 { .ival = "crc32c",
2474 .oval = VERIFY_CRC32C,
e3aaafc4 2475 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2476 },
969f7ed3
JA		 2477 { .ival = "crc16",
2478 .oval = VERIFY_CRC16,
2479 .help = "Use crc16 checksums for verification",
2480 },
1e154bdb
JA		 2481 { .ival = "crc7",
2482 .oval = VERIFY_CRC7,
2483 .help = "Use crc7 checksums for verification",
2484 },
7c353ceb
JA		 2485 { .ival = "sha1",
2486 .oval = VERIFY_SHA1,
2487 .help = "Use sha1 checksums for verification",
2488 },
cd14cc10
JA		 2489 { .ival = "sha256",
2490 .oval = VERIFY_SHA256,
2491 .help = "Use sha256 checksums for verification",
2492 },
2493 { .ival = "sha512",
2494 .oval = VERIFY_SHA512,
2495 .help = "Use sha512 checksums for verification",
2496 },
844ea602
JA		 2497 { .ival = "xxhash",
2498 .oval = VERIFY_XXHASH,
2499 .help = "Use xxhash checksums for verification",
2500 },
b638d82f
RP		 2501 /* Meta information was included into verify_header,
2502 * 'meta' verification is implied by default. */
7437ee87 2503 { .ival = "meta",
b638d82f
RP		 2504 .oval = VERIFY_HDR_ONLY,
2505 .help = "Use io information for verification. "
2506 "Now is implied by default, thus option is obsolete, "
2507 "don't use it",
7437ee87 2508 },
59245381
JA		 2509 { .ival = "pattern",
2510 .oval = VERIFY_PATTERN_NO_HDR,
2511 .help = "Verify strict pattern",
2512 },
36690c9b
JA		 2513 {
2514 .ival = "null",
2515 .oval = VERIFY_NULL,
2516 .help = "Pretend to verify",
2517 },
214e1eca
JA		 2518 },
2519 },
005c565a
JA		 2520 {
2521 .name = "do_verify",
e8b0e958 2522 .lname = "Perform verify step",
68e1f29a 2523 .type = FIO_OPT_BOOL,
005c565a
JA		 2524 .off1 = td_var_offset(do_verify),
2525 .help = "Run verification stage after write",
2526 .def = "1",
2527 .parent = "verify",
d71c154c 2528 .hide = 1,
e8b0e958
JA		 2529 .category = FIO_OPT_C_IO,
2530 .group = FIO_OPT_G_VERIFY,
005c565a 2531 },
160b966d
JA		 2532 {
2533 .name = "verifysort",
e8b0e958 2534 .lname = "Verify sort",
160b966d
JA		 2535 .type = FIO_OPT_BOOL,
2536 .off1 = td_var_offset(verifysort),
2537 .help = "Sort written verify blocks for read back",
2538 .def = "1",
c83f2df1 2539 .parent = "verify",
d71c154c 2540 .hide = 1,
e8b0e958
JA		 2541 .category = FIO_OPT_C_IO,
2542 .group = FIO_OPT_G_VERIFY,
160b966d 2543 },
1ae83d45
JA		 2544 {
2545 .name = "verifysort_nr",
2546 .type = FIO_OPT_INT,
2547 .off1 = td_var_offset(verifysort_nr),
2548 .help = "Pre-load and sort verify blocks for a read workload",
2549 .minval = 0,
2550 .maxval = 131072,
2551 .def = "1024",
2552 .parent = "verify",
836fcc0f
JA		 2553 .category = FIO_OPT_C_IO,
2554 .group = FIO_OPT_G_VERIFY,
1ae83d45 2555 },
3f9f4e26 2556 {
a59e170d 2557 .name = "verify_interval",
e8b0e958 2558 .lname = "Verify interval",
e01b22b8 2559 .type = FIO_OPT_INT,
a59e170d 2560 .off1 = td_var_offset(verify_interval),
819a9680 2561 .minval = 2 * sizeof(struct verify_header),
a59e170d 2562 .help = "Store verify buffer header every N bytes",
afdf9352 2563 .parent = "verify",
d71c154c 2564 .hide = 1,
20eb06bd 2565 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2566 .category = FIO_OPT_C_IO,
2567 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2568 },
546a9142 2569 {
a59e170d 2570 .name = "verify_offset",
e8b0e958 2571 .lname = "Verify offset",
e01b22b8 2572 .type = FIO_OPT_INT,
a59e170d 2573 .help = "Offset verify header location by N bytes",
203160d5
JA		 2574 .off1 = td_var_offset(verify_offset),
2575 .minval = sizeof(struct verify_header),
afdf9352 2576 .parent = "verify",
d71c154c 2577 .hide = 1,
e8b0e958
JA		 2578 .category = FIO_OPT_C_IO,
2579 .group = FIO_OPT_G_VERIFY,
546a9142 2580 },
e28218f3
SL		 2581 {
2582 .name = "verify_pattern",
e8b0e958 2583 .lname = "Verify pattern",
0e92f873 2584 .type = FIO_OPT_STR,
e28218f3 2585 .cb = str_verify_pattern_cb,
a8523a6a 2586 .off1 = td_var_offset(verify_pattern),
e28218f3
SL		 2587 .help = "Fill pattern for IO buffers",
2588 .parent = "verify",
d71c154c 2589 .hide = 1,
e8b0e958
JA		 2590 .category = FIO_OPT_C_IO,
2591 .group = FIO_OPT_G_VERIFY,
e28218f3 2592 },
a12a3b4d
JA		 2593 {
2594 .name = "verify_fatal",
e8b0e958 2595 .lname = "Verify fatal",
68e1f29a 2596 .type = FIO_OPT_BOOL,
a12a3b4d
JA		 2597 .off1 = td_var_offset(verify_fatal),
2598 .def = "0",
2599 .help = "Exit on a single verify failure, don't continue",
2600 .parent = "verify",
d71c154c 2601 .hide = 1,
e8b0e958
JA		 2602 .category = FIO_OPT_C_IO,
2603 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2604 },
b463e936
JA		 2605 {
2606 .name = "verify_dump",
e8b0e958 2607 .lname = "Verify dump",
b463e936
JA		 2608 .type = FIO_OPT_BOOL,
2609 .off1 = td_var_offset(verify_dump),
ef71e317 2610 .def = "0",
b463e936
JA		 2611 .help = "Dump contents of good and bad blocks on failure",
2612 .parent = "verify",
d71c154c 2613 .hide = 1,
e8b0e958
JA		 2614 .category = FIO_OPT_C_IO,
2615 .group = FIO_OPT_G_VERIFY,
b463e936 2616 },
e8462bd8
JA		 2617 {
2618 .name = "verify_async",
e8b0e958 2619 .lname = "Verify asynchronously",
e8462bd8
JA		 2620 .type = FIO_OPT_INT,
2621 .off1 = td_var_offset(verify_async),
2622 .def = "0",
2623 .help = "Number of async verifier threads to use",
2624 .parent = "verify",
d71c154c 2625 .hide = 1,
e8b0e958
JA		 2626 .category = FIO_OPT_C_IO,
2627 .group = FIO_OPT_G_VERIFY,
e8462bd8 2628 },
9e144189
JA		 2629 {
2630 .name = "verify_backlog",
e8b0e958 2631 .lname = "Verify backlog",
9e144189
JA		 2632 .type = FIO_OPT_STR_VAL,
2633 .off1 = td_var_offset(verify_backlog),
2634 .help = "Verify after this number of blocks are written",
2635 .parent = "verify",
d71c154c 2636 .hide = 1,
e8b0e958
JA		 2637 .category = FIO_OPT_C_IO,
2638 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2639 },
2640 {
2641 .name = "verify_backlog_batch",
e8b0e958 2642 .lname = "Verify backlog batch",
9e144189
JA		 2643 .type = FIO_OPT_INT,
2644 .off1 = td_var_offset(verify_batch),
2645 .help = "Verify this number of IO blocks",
0d29de83 2646 .parent = "verify",
d71c154c 2647 .hide = 1,
e8b0e958
JA		 2648 .category = FIO_OPT_C_IO,
2649 .group = FIO_OPT_G_VERIFY,
9e144189 2650 },
e8462bd8
JA		 2651#ifdef FIO_HAVE_CPU_AFFINITY
2652 {
2653 .name = "verify_async_cpus",
e8b0e958 2654 .lname = "Async verify CPUs",
e8462bd8
JA		 2655 .type = FIO_OPT_STR,
2656 .cb = str_verify_cpus_allowed_cb,
a8523a6a 2657 .off1 = td_var_offset(verify_cpumask),
e8462bd8
JA		 2658 .help = "Set CPUs allowed for async verify threads",
2659 .parent = "verify_async",
d71c154c 2660 .hide = 1,
e8b0e958
JA		 2661 .category = FIO_OPT_C_IO,
2662 .group = FIO_OPT_G_VERIFY,
e8462bd8 2663 },
0d29de83 2664#endif
51aa2da8
JA		 2665 {
2666 .name = "experimental_verify",
2667 .off1 = td_var_offset(experimental_verify),
2668 .type = FIO_OPT_BOOL,
b31eaac9 2669 .help = "Enable experimental verification",
ca09be4b
JA		 2670 .parent = "verify",
2671 .category = FIO_OPT_C_IO,
2672 .group = FIO_OPT_G_VERIFY,
2673 },
2674 {
2675 .name = "verify_state_load",
2676 .lname = "Load verify state",
2677 .off1 = td_var_offset(verify_state),
2678 .type = FIO_OPT_BOOL,
2679 .help = "Load verify termination state",
2680 .parent = "verify",
2681 .category = FIO_OPT_C_IO,
2682 .group = FIO_OPT_G_VERIFY,
2683 },
2684 {
2685 .name = "verify_state_save",
2686 .lname = "Save verify state",
2687 .off1 = td_var_offset(verify_state_save),
2688 .type = FIO_OPT_BOOL,
2689 .def = "1",
2690 .help = "Save verify state on termination",
2691 .parent = "verify",
836fcc0f
JA		 2692 .category = FIO_OPT_C_IO,
2693 .group = FIO_OPT_G_VERIFY,
51aa2da8 2694 },
0d29de83
JA		 2695#ifdef FIO_HAVE_TRIM
2696 {
2697 .name = "trim_percentage",
e8b0e958 2698 .lname = "Trim percentage",
0d29de83 2699 .type = FIO_OPT_INT,
203160d5 2700 .off1 = td_var_offset(trim_percentage),
20eb06bd 2701 .minval = 0,
0d29de83
JA		 2702 .maxval = 100,
2703 .help = "Number of verify blocks to discard/trim",
2704 .parent = "verify",
2705 .def = "0",
20eb06bd 2706 .interval = 1,
d71c154c 2707 .hide = 1,
e8b0e958
JA		 2708 .category = FIO_OPT_C_IO,
2709 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2710 },
2711 {
2712 .name = "trim_verify_zero",
e8b0e958 2713 .lname = "Verify trim zero",
20eb06bd 2714 .type = FIO_OPT_BOOL,
0d29de83
JA		 2715 .help = "Verify that trim/discarded blocks are returned as zeroes",
2716 .off1 = td_var_offset(trim_zero),
2717 .parent = "trim_percentage",
d71c154c 2718 .hide = 1,
0d29de83 2719 .def = "1",
e8b0e958
JA		 2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2722 },
2723 {
2724 .name = "trim_backlog",
e8b0e958 2725 .lname = "Trim backlog",
0d29de83
JA		 2726 .type = FIO_OPT_STR_VAL,
2727 .off1 = td_var_offset(trim_backlog),
2728 .help = "Trim after this number of blocks are written",
2729 .parent = "trim_percentage",
d71c154c 2730 .hide = 1,
20eb06bd 2731 .interval = 1,
e8b0e958
JA		 2732 .category = FIO_OPT_C_IO,
2733 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2734 },
2735 {
2736 .name = "trim_backlog_batch",
e8b0e958 2737 .lname = "Trim backlog batch",
0d29de83
JA		 2738 .type = FIO_OPT_INT,
2739 .off1 = td_var_offset(trim_batch),
2740 .help = "Trim this number of IO blocks",
2741 .parent = "trim_percentage",
d71c154c 2742 .hide = 1,
20eb06bd 2743 .interval = 1,
e8b0e958
JA		 2744 .category = FIO_OPT_C_IO,
2745 .group = FIO_OPT_G_TRIM,
0d29de83 2746 },
e8462bd8 2747#endif
214e1eca
JA		 2748 {
2749 .name = "write_iolog",
e8b0e958 2750 .lname = "Write I/O log",
214e1eca
JA		 2751 .type = FIO_OPT_STR_STORE,
2752 .off1 = td_var_offset(write_iolog_file),
2753 .help = "Store IO pattern to file",
e8b0e958
JA		 2754 .category = FIO_OPT_C_IO,
2755 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2756 },
2757 {
2758 .name = "read_iolog",
e8b0e958 2759 .lname = "Read I/O log",
214e1eca
JA		 2760 .type = FIO_OPT_STR_STORE,
2761 .off1 = td_var_offset(read_iolog_file),
2762 .help = "Playback IO pattern from file",
e8b0e958
JA		 2763 .category = FIO_OPT_C_IO,
2764 .group = FIO_OPT_G_IOLOG,
214e1eca 2765 },
64bbb865
DN		 2766 {
2767 .name = "replay_no_stall",
e8b0e958 2768 .lname = "Don't stall on replay",
20eb06bd 2769 .type = FIO_OPT_BOOL,
64bbb865
DN		 2770 .off1 = td_var_offset(no_stall),
2771 .def = "0",
87e7a972 2772 .parent = "read_iolog",
d71c154c 2773 .hide = 1,
64bbb865 2774 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2775 .category = FIO_OPT_C_IO,
2776 .group = FIO_OPT_G_IOLOG,
64bbb865 2777 },
d1c46c04
DN		 2778 {
2779 .name = "replay_redirect",
e8b0e958 2780 .lname = "Redirect device for replay",
d1c46c04
DN		 2781 .type = FIO_OPT_STR_STORE,
2782 .off1 = td_var_offset(replay_redirect),
2783 .parent = "read_iolog",
d71c154c 2784 .hide = 1,
d1c46c04 2785 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2786 .category = FIO_OPT_C_IO,
2787 .group = FIO_OPT_G_IOLOG,
d1c46c04 2788 },
0c63576e
JA		 2789 {
2790 .name = "replay_scale",
2791 .lname = "Replace offset scale factor",
2792 .type = FIO_OPT_INT,
2793 .off1 = td_var_offset(replay_scale),
2794 .parent = "read_iolog",
2795 .def = "1",
2796 .help = "Align offsets to this blocksize",
2797 .category = FIO_OPT_C_IO,
2798 .group = FIO_OPT_G_IOLOG,
2799 },
2800 {
2801 .name = "replay_align",
2802 .lname = "Replace alignment",
2803 .type = FIO_OPT_INT,
2804 .off1 = td_var_offset(replay_align),
2805 .parent = "read_iolog",
2806 .help = "Scale offset down by this factor",
2807 .category = FIO_OPT_C_IO,
2808 .group = FIO_OPT_G_IOLOG,
2809 .pow2 = 1,
2810 },
214e1eca
JA		 2811 {
2812 .name = "exec_prerun",
e8b0e958 2813 .lname = "Pre-execute runnable",
214e1eca
JA		 2814 .type = FIO_OPT_STR_STORE,
2815 .off1 = td_var_offset(exec_prerun),
2816 .help = "Execute this file prior to running job",
e8b0e958
JA		 2817 .category = FIO_OPT_C_GENERAL,
2818 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2819 },
2820 {
2821 .name = "exec_postrun",
e8b0e958 2822 .lname = "Post-execute runnable",
214e1eca
JA		 2823 .type = FIO_OPT_STR_STORE,
2824 .off1 = td_var_offset(exec_postrun),
2825 .help = "Execute this file after running job",
e8b0e958
JA		 2826 .category = FIO_OPT_C_GENERAL,
2827 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2828 },
2829#ifdef FIO_HAVE_IOSCHED_SWITCH
2830 {
2831 .name = "ioscheduler",
e8b0e958 2832 .lname = "I/O scheduler",
214e1eca
JA		 2833 .type = FIO_OPT_STR_STORE,
2834 .off1 = td_var_offset(ioscheduler),
2835 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 2836 .category = FIO_OPT_C_FILE,
2837 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2838 },
2839#endif
2840 {
2841 .name = "zonesize",
e8b0e958 2842 .lname = "Zone size",
214e1eca
JA		 2843 .type = FIO_OPT_STR_VAL,
2844 .off1 = td_var_offset(zone_size),
ed335855
SN		 2845 .help = "Amount of data to read per zone",
2846 .def = "0",
20eb06bd 2847 .interval = 1024 * 1024,
e8b0e958
JA		 2848 .category = FIO_OPT_C_IO,
2849 .group = FIO_OPT_G_ZONE,
ed335855
SN		 2850 },
2851 {
2852 .name = "zonerange",
e8b0e958 2853 .lname = "Zone range",
ed335855
SN		 2854 .type = FIO_OPT_STR_VAL,
2855 .off1 = td_var_offset(zone_range),
214e1eca
JA		 2856 .help = "Give size of an IO zone",
2857 .def = "0",
20eb06bd 2858 .interval = 1024 * 1024,
e8b0e958
JA		 2859 .category = FIO_OPT_C_IO,
2860 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2861 },
2862 {
2863 .name = "zoneskip",
e8b0e958 2864 .lname = "Zone skip",
214e1eca
JA		 2865 .type = FIO_OPT_STR_VAL,
2866 .off1 = td_var_offset(zone_skip),
2867 .help = "Space between IO zones",
2868 .def = "0",
20eb06bd 2869 .interval = 1024 * 1024,
e8b0e958
JA		 2870 .category = FIO_OPT_C_IO,
2871 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 2872 },
2873 {
2874 .name = "lockmem",
e8b0e958 2875 .lname = "Lock memory",
214e1eca 2876 .type = FIO_OPT_STR_VAL,
1b79a070 2877 .off1 = td_var_offset(lockmem),
81c6b6cd 2878 .help = "Lock down this amount of memory (per worker)",
214e1eca 2879 .def = "0",
20eb06bd 2880 .interval = 1024 * 1024,
e8b0e958
JA		 2881 .category = FIO_OPT_C_GENERAL,
2882 .group = FIO_OPT_G_INVALID,
214e1eca 2883 },
214e1eca
JA		 2884 {
2885 .name = "rwmixread",
e8b0e958 2886 .lname = "Read/write mix read",
214e1eca 2887 .type = FIO_OPT_INT,
cb499fc4 2888 .cb = str_rwmix_read_cb,
a8523a6a 2889 .off1 = td_var_offset(rwmix[DDIR_READ]),
214e1eca
JA		 2890 .maxval = 100,
2891 .help = "Percentage of mixed workload that is reads",
2892 .def = "50",
20eb06bd 2893 .interval = 5,
90265353 2894 .inverse = "rwmixwrite",
e8b0e958
JA		 2895 .category = FIO_OPT_C_IO,
2896 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 2897 },
2898 {
2899 .name = "rwmixwrite",
e8b0e958 2900 .lname = "Read/write mix write",
214e1eca 2901 .type = FIO_OPT_INT,
cb499fc4 2902 .cb = str_rwmix_write_cb,
a8523a6a 2903 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
214e1eca
JA		 2904 .maxval = 100,
2905 .help = "Percentage of mixed workload that is writes",
2906 .def = "50",
20eb06bd 2907 .interval = 5,
90265353 2908 .inverse = "rwmixread",
e8b0e958
JA		 2909 .category = FIO_OPT_C_IO,
2910 .group = FIO_OPT_G_RWMIX,
214e1eca 2911 },
afdf9352
JA		 2912 {
2913 .name = "rwmixcycle",
e8b0e958 2914 .lname = "Read/write mix cycle",
15ca150e 2915 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 2916 .category = FIO_OPT_C_IO,
2917 .group = FIO_OPT_G_RWMIX,
afdf9352 2918 },
214e1eca
JA		 2919 {
2920 .name = "nice",
e8b0e958 2921 .lname = "Nice",
214e1eca
JA		 2922 .type = FIO_OPT_INT,
2923 .off1 = td_var_offset(nice),
2924 .help = "Set job CPU nice value",
2925 .minval = -19,
2926 .maxval = 20,
2927 .def = "0",
20eb06bd 2928 .interval = 1,
e8b0e958 2929 .category = FIO_OPT_C_GENERAL,
10860056 2930 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2931 },
2932#ifdef FIO_HAVE_IOPRIO
2933 {
2934 .name = "prio",
e8b0e958 2935 .lname = "I/O nice priority",
214e1eca 2936 .type = FIO_OPT_INT,
28727df7 2937 .off1 = td_var_offset(ioprio),
214e1eca
JA		 2938 .help = "Set job IO priority value",
2939 .minval = 0,
2940 .maxval = 7,
20eb06bd 2941 .interval = 1,
e8b0e958 2942 .category = FIO_OPT_C_GENERAL,
10860056 2943 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2944 },
2945 {
2946 .name = "prioclass",
e8b0e958 2947 .lname = "I/O nice priority class",
214e1eca 2948 .type = FIO_OPT_INT,
28727df7 2949 .off1 = td_var_offset(ioprio_class),
214e1eca
JA		 2950 .help = "Set job IO priority class",
2951 .minval = 0,
2952 .maxval = 3,
20eb06bd 2953 .interval = 1,
e8b0e958 2954 .category = FIO_OPT_C_GENERAL,
10860056 2955 .group = FIO_OPT_G_CRED,
214e1eca
JA		 2956 },
2957#endif
2958 {
2959 .name = "thinktime",
e8b0e958 2960 .lname = "Thinktime",
214e1eca
JA		 2961 .type = FIO_OPT_INT,
2962 .off1 = td_var_offset(thinktime),
2963 .help = "Idle time between IO buffers (usec)",
2964 .def = "0",
88038bc7 2965 .is_time = 1,
e8b0e958 2966 .category = FIO_OPT_C_IO,
3ceb458f 2967 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2968 },
2969 {
2970 .name = "thinktime_spin",
e8b0e958 2971 .lname = "Thinktime spin",
214e1eca
JA		 2972 .type = FIO_OPT_INT,
2973 .off1 = td_var_offset(thinktime_spin),
2974 .help = "Start think time by spinning this amount (usec)",
2975 .def = "0",
88038bc7 2976 .is_time = 1,
afdf9352 2977 .parent = "thinktime",
d71c154c 2978 .hide = 1,
e8b0e958 2979 .category = FIO_OPT_C_IO,
3ceb458f 2980 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2981 },
2982 {
2983 .name = "thinktime_blocks",
e8b0e958 2984 .lname = "Thinktime blocks",
214e1eca
JA		 2985 .type = FIO_OPT_INT,
2986 .off1 = td_var_offset(thinktime_blocks),
2987 .help = "IO buffer period between 'thinktime'",
2988 .def = "1",
afdf9352 2989 .parent = "thinktime",
d71c154c 2990 .hide = 1,
e8b0e958 2991 .category = FIO_OPT_C_IO,
3ceb458f 2992 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 2993 },
2994 {
2995 .name = "rate",
e8b0e958 2996 .lname = "I/O rate",
e01b22b8 2997 .type = FIO_OPT_INT,
6eaf09d6
SL		 2998 .off1 = td_var_offset(rate[DDIR_READ]),
2999 .off2 = td_var_offset(rate[DDIR_WRITE]),
3000 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 3001 .help = "Set bandwidth rate",
e8b0e958
JA		 3002 .category = FIO_OPT_C_IO,
3003 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3004 },
3005 {
6d428bcd
JA		 3006 .name = "rate_min",
3007 .alias = "ratemin",
e8b0e958 3008 .lname = "I/O min rate",
e01b22b8 3009 .type = FIO_OPT_INT,
6eaf09d6
SL		 3010 .off1 = td_var_offset(ratemin[DDIR_READ]),
3011 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
3012 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 3013 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3014 .parent = "rate",
d71c154c 3015 .hide = 1,
e8b0e958
JA		 3016 .category = FIO_OPT_C_IO,
3017 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3018 },
3019 {
3020 .name = "rate_iops",
e8b0e958 3021 .lname = "I/O rate IOPS",
e01b22b8 3022 .type = FIO_OPT_INT,
6eaf09d6
SL		 3023 .off1 = td_var_offset(rate_iops[DDIR_READ]),
3024 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
3025 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 3026 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3027 .hide = 1,
e8b0e958
JA		 3028 .category = FIO_OPT_C_IO,
3029 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3030 },
3031 {
3032 .name = "rate_iops_min",
e8b0e958 3033 .lname = "I/O min rate IOPS",
e01b22b8 3034 .type = FIO_OPT_INT,
6eaf09d6
SL		 3035 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
3036 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
3037 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 3038 .help = "Job must meet this rate or it will be shut down",
afdf9352 3039 .parent = "rate_iops",
d71c154c 3040 .hide = 1,
e8b0e958
JA		 3041 .category = FIO_OPT_C_IO,
3042 .group = FIO_OPT_G_RATE,
214e1eca 3043 },
ff6bb260 3044 {
6de65959
JA		 3045 .name = "rate_process",
3046 .lname = "Rate Process",
3047 .type = FIO_OPT_STR,
3048 .off1 = td_var_offset(rate_process),
3049 .help = "What process controls how rated IO is managed",
3050 .def = "linear",
ff6bb260
SL		 3051 .category = FIO_OPT_C_IO,
3052 .group = FIO_OPT_G_RATE,
6de65959
JA		 3053 .posval = {
3054 { .ival = "linear",
3055 .oval = RATE_PROCESS_LINEAR,
3056 .help = "Linear rate of IO",
3057 },
3058 {
3059 .ival = "poisson",
3060 .oval = RATE_PROCESS_POISSON,
3061 .help = "Rate follows Poisson process",
3062 },
3063 },
3064 .parent = "rate",
ff6bb260 3065 },
214e1eca 3066 {
6d428bcd
JA		 3067 .name = "rate_cycle",
3068 .alias = "ratecycle",
e8b0e958 3069 .lname = "I/O rate cycle",
214e1eca
JA		 3070 .type = FIO_OPT_INT,
3071 .off1 = td_var_offset(ratecycle),
3072 .help = "Window average for rate limits (msec)",
3073 .def = "1000",
afdf9352 3074 .parent = "rate",
d71c154c 3075 .hide = 1,
e8b0e958
JA		 3076 .category = FIO_OPT_C_IO,
3077 .group = FIO_OPT_G_RATE,
214e1eca 3078 },
15501535
JA		 3079 {
3080 .name = "max_latency",
3081 .type = FIO_OPT_INT,
3082 .off1 = td_var_offset(max_latency),
3083 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3084 .is_time = 1,
1e5324e7 3085 .category = FIO_OPT_C_IO,
3e260a46
JA		 3086 .group = FIO_OPT_G_LATPROF,
3087 },
3088 {
3089 .name = "latency_target",
3090 .lname = "Latency Target (usec)",
3091 .type = FIO_OPT_STR_VAL_TIME,
3092 .off1 = td_var_offset(latency_target),
3093 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3094 .is_time = 1,
3e260a46
JA		 3095 .category = FIO_OPT_C_IO,
3096 .group = FIO_OPT_G_LATPROF,
3097 },
3098 {
3099 .name = "latency_window",
3100 .lname = "Latency Window (usec)",
3101 .type = FIO_OPT_STR_VAL_TIME,
3102 .off1 = td_var_offset(latency_window),
3103 .help = "Time to sustain latency_target",
88038bc7 3104 .is_time = 1,
3e260a46
JA		 3105 .category = FIO_OPT_C_IO,
3106 .group = FIO_OPT_G_LATPROF,
3107 },
3108 {
3109 .name = "latency_percentile",
3110 .lname = "Latency Percentile",
3111 .type = FIO_OPT_FLOAT_LIST,
3112 .off1 = td_var_offset(latency_percentile),
3113 .help = "Percentile of IOs must be below latency_target",
3114 .def = "100",
3115 .maxlen = 1,
3116 .minfp = 0.0,
3117 .maxfp = 100.0,
3118 .category = FIO_OPT_C_IO,
3119 .group = FIO_OPT_G_LATPROF,
15501535 3120 },
214e1eca
JA		 3121 {
3122 .name = "invalidate",
e8b0e958 3123 .lname = "Cache invalidate",
214e1eca
JA		 3124 .type = FIO_OPT_BOOL,
3125 .off1 = td_var_offset(invalidate_cache),
3126 .help = "Invalidate buffer/page cache prior to running job",
3127 .def = "1",
e8b0e958 3128 .category = FIO_OPT_C_IO,
3ceb458f 3129 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3130 },
3131 {
3132 .name = "sync",
e8b0e958 3133 .lname = "Synchronous I/O",
214e1eca
JA		 3134 .type = FIO_OPT_BOOL,
3135 .off1 = td_var_offset(sync_io),
3136 .help = "Use O_SYNC for buffered writes",
3137 .def = "0",
67a1000f 3138 .parent = "buffered",
d71c154c 3139 .hide = 1,
e8b0e958 3140 .category = FIO_OPT_C_IO,
3ceb458f 3141 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3142 },
214e1eca
JA		 3143 {
3144 .name = "create_serialize",
e8b0e958 3145 .lname = "Create serialize",
214e1eca
JA		 3146 .type = FIO_OPT_BOOL,
3147 .off1 = td_var_offset(create_serialize),
3148 .help = "Serialize creating of job files",
3149 .def = "1",
e8b0e958
JA		 3150 .category = FIO_OPT_C_FILE,
3151 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3152 },
3153 {
3154 .name = "create_fsync",
e8b0e958 3155 .lname = "Create fsync",
214e1eca
JA		 3156 .type = FIO_OPT_BOOL,
3157 .off1 = td_var_offset(create_fsync),
03e20d68 3158 .help = "fsync file after creation",
214e1eca 3159 .def = "1",
e8b0e958
JA		 3160 .category = FIO_OPT_C_FILE,
3161 .group = FIO_OPT_G_INVALID,
214e1eca 3162 },
814452bd
JA		 3163 {
3164 .name = "create_on_open",
e8b0e958 3165 .lname = "Create on open",
814452bd
JA		 3166 .type = FIO_OPT_BOOL,
3167 .off1 = td_var_offset(create_on_open),
3168 .help = "Create files when they are opened for IO",
3169 .def = "0",
e8b0e958
JA		 3170 .category = FIO_OPT_C_FILE,
3171 .group = FIO_OPT_G_INVALID,
814452bd 3172 },
25460cf6
JA		 3173 {
3174 .name = "create_only",
3175 .type = FIO_OPT_BOOL,
3176 .off1 = td_var_offset(create_only),
3177 .help = "Only perform file creation phase",
d17fda71 3178 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3179 .def = "0",
3180 },
2378826d
JA		 3181 {
3182 .name = "allow_file_create",
e81ecca3 3183 .lname = "Allow file create",
2378826d
JA		 3184 .type = FIO_OPT_BOOL,
3185 .off1 = td_var_offset(allow_create),
3186 .help = "Permit fio to create files, if they don't exist",
3187 .def = "1",
3188 .category = FIO_OPT_C_FILE,
3189 .group = FIO_OPT_G_FILENAME,
3190 },
e81ecca3
JA		 3191 {
3192 .name = "allow_mounted_write",
3193 .lname = "Allow mounted write",
3194 .type = FIO_OPT_BOOL,
3195 .off1 = td_var_offset(allow_mounted_write),
3196 .help = "Allow writes to a mounted partition",
3197 .def = "0",
3198 .category = FIO_OPT_C_FILE,
3199 .group = FIO_OPT_G_FILENAME,
3200 },
0b9d69ec 3201 {
afad68f7 3202 .name = "pre_read",
e8b0e958 3203 .lname = "Pre-read files",
afad68f7
ZY		 3204 .type = FIO_OPT_BOOL,
3205 .off1 = td_var_offset(pre_read),
03e20d68 3206 .help = "Pre-read files before starting official testing",
afad68f7 3207 .def = "0",
e8b0e958
JA		 3208 .category = FIO_OPT_C_FILE,
3209 .group = FIO_OPT_G_INVALID,
afad68f7 3210 },
214e1eca
JA		 3211#ifdef FIO_HAVE_CPU_AFFINITY
3212 {
3213 .name = "cpumask",
e8b0e958 3214 .lname = "CPU mask",
214e1eca
JA		 3215 .type = FIO_OPT_INT,
3216 .cb = str_cpumask_cb,
a8523a6a 3217 .off1 = td_var_offset(cpumask),
214e1eca 3218 .help = "CPU affinity mask",
e8b0e958 3219 .category = FIO_OPT_C_GENERAL,
10860056 3220 .group = FIO_OPT_G_CRED,
214e1eca 3221 },
d2e268b0
JA		 3222 {
3223 .name = "cpus_allowed",
e8b0e958 3224 .lname = "CPUs allowed",
d2e268b0
JA		 3225 .type = FIO_OPT_STR,
3226 .cb = str_cpus_allowed_cb,
a8523a6a 3227 .off1 = td_var_offset(cpumask),
d2e268b0 3228 .help = "Set CPUs allowed",
e8b0e958 3229 .category = FIO_OPT_C_GENERAL,
10860056 3230 .group = FIO_OPT_G_CRED,
d2e268b0 3231 },
c2acfbac
JA		 3232 {
3233 .name = "cpus_allowed_policy",
3234 .lname = "CPUs allowed distribution policy",
3235 .type = FIO_OPT_STR,
3236 .off1 = td_var_offset(cpus_allowed_policy),
3237 .help = "Distribution policy for cpus_allowed",
3238 .parent = "cpus_allowed",
3239 .prio = 1,
3240 .posval = {
3241 { .ival = "shared",
3242 .oval = FIO_CPUS_SHARED,
3243 .help = "Mask shared between threads",
3244 },
3245 { .ival = "split",
3246 .oval = FIO_CPUS_SPLIT,
3247 .help = "Mask split between threads",
3248 },
3249 },
3250 .category = FIO_OPT_C_GENERAL,
3251 .group = FIO_OPT_G_CRED,
3252 },
d0b937ed 3253#endif
67bf9823 3254#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3255 {
3256 .name = "numa_cpu_nodes",
3257 .type = FIO_OPT_STR,
3258 .cb = str_numa_cpunodes_cb,
b2a9e649 3259 .off1 = td_var_offset(numa_cpunodes),
d0b937ed 3260 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3261 .category = FIO_OPT_C_GENERAL,
3262 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3263 },
3264 {
3265 .name = "numa_mem_policy",
3266 .type = FIO_OPT_STR,
3267 .cb = str_numa_mpol_cb,
b2a9e649 3268 .off1 = td_var_offset(numa_memnodes),
d0b937ed 3269 .help = "NUMA memory policy setup",
6be54b2d
JA		 3270 .category = FIO_OPT_C_GENERAL,
3271 .group = FIO_OPT_G_INVALID,
d0b937ed 3272 },
214e1eca
JA		 3273#endif
3274 {
3275 .name = "end_fsync",
e8b0e958 3276 .lname = "End fsync",
214e1eca
JA		 3277 .type = FIO_OPT_BOOL,
3278 .off1 = td_var_offset(end_fsync),
3279 .help = "Include fsync at the end of job",
3280 .def = "0",
e8b0e958
JA		 3281 .category = FIO_OPT_C_FILE,
3282 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3283 },
3284 {
3285 .name = "fsync_on_close",
e8b0e958 3286 .lname = "Fsync on close",
214e1eca
JA		 3287 .type = FIO_OPT_BOOL,
3288 .off1 = td_var_offset(fsync_on_close),
3289 .help = "fsync files on close",
3290 .def = "0",
e8b0e958
JA		 3291 .category = FIO_OPT_C_FILE,
3292 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3293 },
3294 {
3295 .name = "unlink",
e8b0e958 3296 .lname = "Unlink file",
214e1eca
JA		 3297 .type = FIO_OPT_BOOL,
3298 .off1 = td_var_offset(unlink),
3299 .help = "Unlink created files after job has completed",
3300 .def = "0",
e8b0e958
JA		 3301 .category = FIO_OPT_C_FILE,
3302 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3303 },
3304 {
3305 .name = "exitall",
e8b0e958 3306 .lname = "Exit-all on terminate",
214e1eca
JA		 3307 .type = FIO_OPT_STR_SET,
3308 .cb = str_exitall_cb,
3309 .help = "Terminate all jobs when one exits",
e8b0e958 3310 .category = FIO_OPT_C_GENERAL,
a1f6afec 3311 .group = FIO_OPT_G_PROCESS,
214e1eca 3312 },
f9cafb12
JA		 3313 {
3314 .name = "exitall_on_error",
3315 .lname = "Exit-all on terminate in error",
3316 .type = FIO_OPT_BOOL,
3317 .off1 = td_var_offset(unlink),
3318 .help = "Terminate all jobs when one exits in error",
3319 .category = FIO_OPT_C_GENERAL,
3320 .group = FIO_OPT_G_PROCESS,
3321 },
214e1eca
JA		 3322 {
3323 .name = "stonewall",
e8b0e958 3324 .lname = "Wait for previous",
d392365e 3325 .alias = "wait_for_previous",
214e1eca
JA		 3326 .type = FIO_OPT_STR_SET,
3327 .off1 = td_var_offset(stonewall),
3328 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3329 .category = FIO_OPT_C_GENERAL,
a1f6afec 3330 .group = FIO_OPT_G_PROCESS,
214e1eca 3331 },
b3d62a75
JA		 3332 {
3333 .name = "new_group",
e8b0e958 3334 .lname = "New group",
b3d62a75
JA		 3335 .type = FIO_OPT_STR_SET,
3336 .off1 = td_var_offset(new_group),
3337 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3338 .category = FIO_OPT_C_GENERAL,
a1f6afec 3339 .group = FIO_OPT_G_PROCESS,
b3d62a75 3340 },
214e1eca
JA		 3341 {
3342 .name = "thread",
e8b0e958 3343 .lname = "Thread",
214e1eca
JA		 3344 .type = FIO_OPT_STR_SET,
3345 .off1 = td_var_offset(use_thread),
20eb06bd 3346 .help = "Use threads instead of processes",
c8931876
JA		 3347#ifdef CONFIG_NO_SHM
3348 .def = "1",
3349 .no_warn_def = 1,
3350#endif
e8b0e958 3351 .category = FIO_OPT_C_GENERAL,
a1f6afec 3352 .group = FIO_OPT_G_PROCESS,
214e1eca 3353 },
3a5db920
JA		 3354 {
3355 .name = "per_job_logs",
3356 .type = FIO_OPT_BOOL,
3357 .off1 = td_var_offset(per_job_logs),
3358 .help = "Include job number in generated log files or not",
3359 .def = "1",
3360 .category = FIO_OPT_C_LOG,
3361 .group = FIO_OPT_G_INVALID,
3362 },
214e1eca
JA		 3363 {
3364 .name = "write_bw_log",
e8b0e958 3365 .lname = "Write bandwidth log",
203160d5
JA		 3366 .type = FIO_OPT_STR_STORE,
3367 .off1 = td_var_offset(bw_log_file),
214e1eca 3368 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3369 .category = FIO_OPT_C_LOG,
3370 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3371 },
3372 {
3373 .name = "write_lat_log",
e8b0e958 3374 .lname = "Write latency log",
203160d5
JA		 3375 .type = FIO_OPT_STR_STORE,
3376 .off1 = td_var_offset(lat_log_file),
214e1eca 3377 .help = "Write log of latency during run",
e8b0e958
JA		 3378 .category = FIO_OPT_C_LOG,
3379 .group = FIO_OPT_G_INVALID,
214e1eca 3380 },
c8eeb9df
JA		 3381 {
3382 .name = "write_iops_log",
e8b0e958 3383 .lname = "Write IOPS log",
577c83bd 3384 .type = FIO_OPT_STR_STORE,
203160d5 3385 .off1 = td_var_offset(iops_log_file),
c8eeb9df 3386 .help = "Write log of IOPS during run",
e8b0e958
JA		 3387 .category = FIO_OPT_C_LOG,
3388 .group = FIO_OPT_G_INVALID,
c8eeb9df 3389 },
b8bc8cba
JA		 3390 {
3391 .name = "log_avg_msec",
e8b0e958 3392 .lname = "Log averaging (msec)",
b8bc8cba
JA		 3393 .type = FIO_OPT_INT,
3394 .off1 = td_var_offset(log_avg_msec),
3395 .help = "Average bw/iops/lat logs over this period of time",
3396 .def = "0",
e8b0e958
JA		 3397 .category = FIO_OPT_C_LOG,
3398 .group = FIO_OPT_G_INVALID,
b8bc8cba 3399 },
e6989e10
JA		 3400 {
3401 .name = "log_max_value",
3402 .lname = "Log maximum instead of average",
3403 .type = FIO_OPT_BOOL,
3404 .off1 = td_var_offset(log_max),
3405 .help = "Log max sample in a window instead of average",
3406 .def = "0",
3407 .category = FIO_OPT_C_LOG,
3408 .group = FIO_OPT_G_INVALID,
3409 },
ae588852
JA		 3410 {
3411 .name = "log_offset",
3412 .lname = "Log offset of IO",
3413 .type = FIO_OPT_BOOL,
3414 .off1 = td_var_offset(log_offset),
3415 .help = "Include offset of IO for each log entry",
3416 .def = "0",
3417 .category = FIO_OPT_C_LOG,
3418 .group = FIO_OPT_G_INVALID,
3419 },
aee2ab67
JA		 3420#ifdef CONFIG_ZLIB
3421 {
3422 .name = "log_compression",
3423 .lname = "Log compression",
3424 .type = FIO_OPT_INT,
3425 .off1 = td_var_offset(log_gz),
3426 .help = "Log in compressed chunks of this size",
9919b27b 3427 .minval = 1024ULL,
aee2ab67
JA		 3428 .maxval = 512 * 1024 * 1024ULL,
3429 .category = FIO_OPT_C_LOG,
3430 .group = FIO_OPT_G_INVALID,
3431 },
c08f9fe2
JA		 3432#ifdef FIO_HAVE_CPU_AFFINITY
3433 {
3434 .name = "log_compression_cpus",
3435 .lname = "Log Compression CPUs",
3436 .type = FIO_OPT_STR,
3437 .cb = str_log_cpus_allowed_cb,
3438 .off1 = td_var_offset(log_gz_cpumask),
3439 .parent = "log_compression",
3440 .help = "Limit log compression to these CPUs",
3441 .category = FIO_OPT_C_LOG,
3442 .group = FIO_OPT_G_INVALID,
3443 },
3444#endif
b26317c9
JA		 3445 {
3446 .name = "log_store_compressed",
3447 .lname = "Log store compressed",
3448 .type = FIO_OPT_BOOL,
3449 .off1 = td_var_offset(log_gz_store),
3450 .help = "Store logs in a compressed format",
3451 .category = FIO_OPT_C_LOG,
3452 .group = FIO_OPT_G_INVALID,
3453 },
aee2ab67 3454#endif
66347cfa
DE		 3455 {
3456 .name = "block_error_percentiles",
3457 .lname = "Block error percentiles",
3458 .type = FIO_OPT_BOOL,
3459 .off1 = td_var_offset(block_error_hist),
3460 .help = "Record trim block errors and make a histogram",
3461 .def = "0",
3462 .category = FIO_OPT_C_LOG,
3463 .group = FIO_OPT_G_INVALID,
3464 },
c504ee55
JA		 3465 {
3466 .name = "bwavgtime",
3467 .lname = "Bandwidth average time",
3468 .type = FIO_OPT_INT,
3469 .off1 = td_var_offset(bw_avg_time),
3470 .help = "Time window over which to calculate bandwidth"
3471 " (msec)",
3472 .def = "500",
3473 .parent = "write_bw_log",
3474 .hide = 1,
3475 .interval = 100,
3476 .category = FIO_OPT_C_LOG,
3477 .group = FIO_OPT_G_INVALID,
3478 },
3479 {
3480 .name = "iopsavgtime",
3481 .lname = "IOPS average time",
3482 .type = FIO_OPT_INT,
3483 .off1 = td_var_offset(iops_avg_time),
3484 .help = "Time window over which to calculate IOPS (msec)",
3485 .def = "500",
3486 .parent = "write_iops_log",
3487 .hide = 1,
3488 .interval = 100,
3489 .category = FIO_OPT_C_LOG,
3490 .group = FIO_OPT_G_INVALID,
3491 },
214e1eca
JA		 3492 {
3493 .name = "group_reporting",
e8b0e958 3494 .lname = "Group reporting",
d2507043 3495 .type = FIO_OPT_STR_SET,
214e1eca
JA		 3496 .off1 = td_var_offset(group_reporting),
3497 .help = "Do reporting on a per-group basis",
10860056 3498 .category = FIO_OPT_C_STAT,
e8b0e958 3499 .group = FIO_OPT_G_INVALID,
214e1eca 3500 },
e9459e5a
JA		 3501 {
3502 .name = "zero_buffers",
e8b0e958 3503 .lname = "Zero I/O buffers",
e9459e5a
JA		 3504 .type = FIO_OPT_STR_SET,
3505 .off1 = td_var_offset(zero_buffers),
3506 .help = "Init IO buffers to all zeroes",
e8b0e958 3507 .category = FIO_OPT_C_IO,
3ceb458f 3508 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3509 },
5973cafb
JA		 3510 {
3511 .name = "refill_buffers",
e8b0e958 3512 .lname = "Refill I/O buffers",
5973cafb
JA		 3513 .type = FIO_OPT_STR_SET,
3514 .off1 = td_var_offset(refill_buffers),
3515 .help = "Refill IO buffers on every IO submit",
e8b0e958 3516 .category = FIO_OPT_C_IO,
3ceb458f 3517 .group = FIO_OPT_G_IO_BUF,
5973cafb 3518 },
fd68418e
JA		 3519 {
3520 .name = "scramble_buffers",
e8b0e958 3521 .lname = "Scramble I/O buffers",
fd68418e
JA		 3522 .type = FIO_OPT_BOOL,
3523 .off1 = td_var_offset(scramble_buffers),
3524 .help = "Slightly scramble buffers on every IO submit",
3525 .def = "1",
e8b0e958 3526 .category = FIO_OPT_C_IO,
3ceb458f 3527 .group = FIO_OPT_G_IO_BUF,
fd68418e 3528 },
ce35b1ec
JA		 3529 {
3530 .name = "buffer_pattern",
3531 .lname = "Buffer pattern",
3532 .type = FIO_OPT_STR,
3533 .cb = str_buffer_pattern_cb,
a8523a6a 3534 .off1 = td_var_offset(buffer_pattern),
ce35b1ec
JA		 3535 .help = "Fill pattern for IO buffers",
3536 .category = FIO_OPT_C_IO,
3537 .group = FIO_OPT_G_IO_BUF,
3538 },
9c42684e
JA		 3539 {
3540 .name = "buffer_compress_percentage",
e8b0e958 3541 .lname = "Buffer compression percentage",
9c42684e 3542 .type = FIO_OPT_INT,
bedc9dc2 3543 .cb = str_buffer_compress_cb,
a8523a6a 3544 .off1 = td_var_offset(compress_percentage),
9c42684e 3545 .maxval = 100,
e7f5de90 3546 .minval = 0,
9c42684e 3547 .help = "How compressible the buffer is (approximately)",
20eb06bd 3548 .interval = 5,
e8b0e958 3549 .category = FIO_OPT_C_IO,
3ceb458f 3550 .group = FIO_OPT_G_IO_BUF,
9c42684e 3551 },
f97a43a1
JA		 3552 {
3553 .name = "buffer_compress_chunk",
e8b0e958 3554 .lname = "Buffer compression chunk size",
f97a43a1
JA		 3555 .type = FIO_OPT_INT,
3556 .off1 = td_var_offset(compress_chunk),
207b18e4 3557 .parent = "buffer_compress_percentage",
d71c154c 3558 .hide = 1,
f97a43a1 3559 .help = "Size of compressible region in buffer",
20eb06bd 3560 .interval = 256,
e8b0e958 3561 .category = FIO_OPT_C_IO,
3ceb458f 3562 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3563 },
5c94b008
JA		 3564 {
3565 .name = "dedupe_percentage",
3566 .lname = "Dedupe percentage",
3567 .type = FIO_OPT_INT,
3568 .cb = str_dedupe_cb,
a8523a6a 3569 .off1 = td_var_offset(dedupe_percentage),
5c94b008
JA		 3570 .maxval = 100,
3571 .minval = 0,
3572 .help = "Percentage of buffers that are dedupable",
3573 .interval = 1,
3574 .category = FIO_OPT_C_IO,
3575 .group = FIO_OPT_G_IO_BUF,
3576 },
83349190
YH		 3577 {
3578 .name = "clat_percentiles",
e8b0e958 3579 .lname = "Completion latency percentiles",
83349190
YH		 3580 .type = FIO_OPT_BOOL,
3581 .off1 = td_var_offset(clat_percentiles),
3582 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3583 .def = "1",
e8b0e958
JA		 3584 .category = FIO_OPT_C_STAT,
3585 .group = FIO_OPT_G_INVALID,
83349190
YH		 3586 },
3587 {
3588 .name = "percentile_list",
66347cfa 3589 .lname = "Percentile list",
83349190
YH		 3590 .type = FIO_OPT_FLOAT_LIST,
3591 .off1 = td_var_offset(percentile_list),
435d195a 3592 .off2 = td_var_offset(percentile_precision),
66347cfa
DE		 3593 .help = "Specify a custom list of percentiles to report for "
3594 "completion latency and block errors",
fd112d34 3595 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3596 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3597 .minfp = 0.0,
3598 .maxfp = 100.0,
e8b0e958
JA		 3599 .category = FIO_OPT_C_STAT,
3600 .group = FIO_OPT_G_INVALID,
83349190
YH		 3601 },
3602
0a839f30
JA		 3603#ifdef FIO_HAVE_DISK_UTIL
3604 {
3605 .name = "disk_util",
e8b0e958 3606 .lname = "Disk utilization",
0a839f30
JA		 3607 .type = FIO_OPT_BOOL,
3608 .off1 = td_var_offset(do_disk_util),
f66ab3c8 3609 .help = "Log disk utilization statistics",
0a839f30 3610 .def = "1",
e8b0e958
JA		 3611 .category = FIO_OPT_C_STAT,
3612 .group = FIO_OPT_G_INVALID,
0a839f30
JA		 3613 },
3614#endif
993bf48b
JA		 3615 {
3616 .name = "gtod_reduce",
e8b0e958 3617 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3618 .type = FIO_OPT_BOOL,
3619 .help = "Greatly reduce number of gettimeofday() calls",
3620 .cb = str_gtod_reduce_cb,
3621 .def = "0",
a4ed77fe 3622 .hide_on_set = 1,
e8b0e958
JA		 3623 .category = FIO_OPT_C_STAT,
3624 .group = FIO_OPT_G_INVALID,
993bf48b 3625 },
02af0988
JA		 3626 {
3627 .name = "disable_lat",
e8b0e958 3628 .lname = "Disable all latency stats",
02af0988
JA		 3629 .type = FIO_OPT_BOOL,
3630 .off1 = td_var_offset(disable_lat),
3631 .help = "Disable latency numbers",
3632 .parent = "gtod_reduce",
d71c154c 3633 .hide = 1,
02af0988 3634 .def = "0",
e8b0e958
JA		 3635 .category = FIO_OPT_C_STAT,
3636 .group = FIO_OPT_G_INVALID,
02af0988 3637 },
9520ebb9
JA		 3638 {
3639 .name = "disable_clat",
e8b0e958 3640 .lname = "Disable completion latency stats",
9520ebb9
JA		 3641 .type = FIO_OPT_BOOL,
3642 .off1 = td_var_offset(disable_clat),
3643 .help = "Disable completion latency numbers",
993bf48b 3644 .parent = "gtod_reduce",
d71c154c 3645 .hide = 1,
9520ebb9 3646 .def = "0",
e8b0e958
JA		 3647 .category = FIO_OPT_C_STAT,
3648 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3649 },
3650 {
3651 .name = "disable_slat",
e8b0e958 3652 .lname = "Disable submission latency stats",
9520ebb9
JA		 3653 .type = FIO_OPT_BOOL,
3654 .off1 = td_var_offset(disable_slat),
03e20d68 3655 .help = "Disable submission latency numbers",
993bf48b 3656 .parent = "gtod_reduce",
d71c154c 3657 .hide = 1,
9520ebb9 3658 .def = "0",
e8b0e958
JA		 3659 .category = FIO_OPT_C_STAT,
3660 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3661 },
3662 {
3663 .name = "disable_bw_measurement",
e8b0e958 3664 .lname = "Disable bandwidth stats",
9520ebb9
JA		 3665 .type = FIO_OPT_BOOL,
3666 .off1 = td_var_offset(disable_bw),
3667 .help = "Disable bandwidth logging",
993bf48b 3668 .parent = "gtod_reduce",
d71c154c 3669 .hide = 1,
9520ebb9 3670 .def = "0",
e8b0e958
JA		 3671 .category = FIO_OPT_C_STAT,
3672 .group = FIO_OPT_G_INVALID,
9520ebb9 3673 },
be4ecfdf
JA		 3674 {
3675 .name = "gtod_cpu",
e8b0e958 3676 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 3677 .type = FIO_OPT_INT,
79c896a1 3678 .off1 = td_var_offset(gtod_cpu),
03e20d68 3679 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3680 .verify = gtod_cpu_verify,
e8b0e958 3681 .category = FIO_OPT_C_GENERAL,
10860056 3682 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3683 },
771e58be
JA		 3684 {
3685 .name = "unified_rw_reporting",
3686 .type = FIO_OPT_BOOL,
3687 .off1 = td_var_offset(unified_rw_rep),
3688 .help = "Unify reporting across data direction",
3689 .def = "0",
90b7a96d
JA		 3690 .category = FIO_OPT_C_GENERAL,
3691 .group = FIO_OPT_G_INVALID,
771e58be 3692 },
f2bba182
RR		 3693 {
3694 .name = "continue_on_error",
e8b0e958 3695 .lname = "Continue on error",
06842027 3696 .type = FIO_OPT_STR,
f2bba182 3697 .off1 = td_var_offset(continue_on_error),
03e20d68 3698 .help = "Continue on non-fatal errors during IO",
06842027 3699 .def = "none",
e8b0e958 3700 .category = FIO_OPT_C_GENERAL,
bc3f552f 3701 .group = FIO_OPT_G_ERR,
06842027
SL		 3702 .posval = {
3703 { .ival = "none",
3704 .oval = ERROR_TYPE_NONE,
3705 .help = "Exit when an error is encountered",
3706 },
3707 { .ival = "read",
3708 .oval = ERROR_TYPE_READ,
3709 .help = "Continue on read errors only",
3710 },
3711 { .ival = "write",
3712 .oval = ERROR_TYPE_WRITE,
3713 .help = "Continue on write errors only",
3714 },
3715 { .ival = "io",
3716 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3717 .help = "Continue on any IO errors",
3718 },
3719 { .ival = "verify",
3720 .oval = ERROR_TYPE_VERIFY,
3721 .help = "Continue on verify errors only",
3722 },
3723 { .ival = "all",
3724 .oval = ERROR_TYPE_ANY,
3725 .help = "Continue on all io and verify errors",
3726 },
3727 { .ival = "0",
3728 .oval = ERROR_TYPE_NONE,
3729 .help = "Alias for 'none'",
3730 },
3731 { .ival = "1",
3732 .oval = ERROR_TYPE_ANY,
3733 .help = "Alias for 'all'",
3734 },
3735 },
f2bba182 3736 },
8b28bd41
DM		 3737 {
3738 .name = "ignore_error",
3739 .type = FIO_OPT_STR,
3740 .cb = str_ignore_error_cb,
a8523a6a 3741 .off1 = td_var_offset(ignore_error_nr),
8b28bd41
DM		 3742 .help = "Set a specific list of errors to ignore",
3743 .parent = "rw",
a94eb99a 3744 .category = FIO_OPT_C_GENERAL,
bc3f552f 3745 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 3746 },
3747 {
3748 .name = "error_dump",
3749 .type = FIO_OPT_BOOL,
3750 .off1 = td_var_offset(error_dump),
3751 .def = "0",
3752 .help = "Dump info on each error",
a94eb99a 3753 .category = FIO_OPT_C_GENERAL,
bc3f552f 3754 .group = FIO_OPT_G_ERR,
8b28bd41 3755 },
9ac8a797
JA		 3756 {
3757 .name = "profile",
e8b0e958 3758 .lname = "Profile",
79d16311 3759 .type = FIO_OPT_STR_STORE,
9ac8a797 3760 .off1 = td_var_offset(profile),
9ac8a797 3761 .help = "Select a specific builtin performance test",
13fca827 3762 .category = FIO_OPT_C_PROFILE,
e8b0e958 3763 .group = FIO_OPT_G_INVALID,
9ac8a797 3764 },
a696fa2a
JA		 3765 {
3766 .name = "cgroup",
e8b0e958 3767 .lname = "Cgroup",
a696fa2a
JA		 3768 .type = FIO_OPT_STR_STORE,
3769 .off1 = td_var_offset(cgroup),
3770 .help = "Add job to cgroup of this name",
e8b0e958 3771 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 3772 .group = FIO_OPT_G_CGROUP,
3773 },
3774 {
3775 .name = "cgroup_nodelete",
3776 .lname = "Cgroup no-delete",
3777 .type = FIO_OPT_BOOL,
3778 .off1 = td_var_offset(cgroup_nodelete),
3779 .help = "Do not delete cgroups after job completion",
3780 .def = "0",
3781 .parent = "cgroup",
3782 .category = FIO_OPT_C_GENERAL,
3783 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 3784 },
3785 {
3786 .name = "cgroup_weight",
e8b0e958 3787 .lname = "Cgroup weight",
a696fa2a
JA		 3788 .type = FIO_OPT_INT,
3789 .off1 = td_var_offset(cgroup_weight),
3790 .help = "Use given weight for cgroup",
3791 .minval = 100,
3792 .maxval = 1000,
a1f6afec 3793 .parent = "cgroup",
e8b0e958 3794 .category = FIO_OPT_C_GENERAL,
a1f6afec 3795 .group = FIO_OPT_G_CGROUP,
7de87099 3796 },
e0b0d892
JA		 3797 {
3798 .name = "uid",
e8b0e958 3799 .lname = "User ID",
e0b0d892
JA		 3800 .type = FIO_OPT_INT,
3801 .off1 = td_var_offset(uid),
3802 .help = "Run job with this user ID",
e8b0e958 3803 .category = FIO_OPT_C_GENERAL,
10860056 3804 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 3805 },
3806 {
3807 .name = "gid",
e8b0e958 3808 .lname = "Group ID",
e0b0d892
JA		 3809 .type = FIO_OPT_INT,
3810 .off1 = td_var_offset(gid),
3811 .help = "Run job with this group ID",
e8b0e958 3812 .category = FIO_OPT_C_GENERAL,
10860056 3813 .group = FIO_OPT_G_CRED,
e0b0d892 3814 },
a1f6afec
JA		 3815 {
3816 .name = "kb_base",
3817 .lname = "KB Base",
3818 .type = FIO_OPT_INT,
3819 .off1 = td_var_offset(kb_base),
a1f6afec
JA		 3820 .prio = 1,
3821 .def = "1024",
ba9c7219
JA		 3822 .posval = {
3823 { .ival = "1024",
3824 .oval = 1024,
3825 .help = "Use 1024 as the K base",
3826 },
3827 { .ival = "1000",
3828 .oval = 1000,
3829 .help = "Use 1000 as the K base",
3830 },
3831 },
a1f6afec
JA		 3832 .help = "How many bytes per KB for reporting (1000 or 1024)",
3833 .category = FIO_OPT_C_GENERAL,
3834 .group = FIO_OPT_G_INVALID,
3835 },
cf3a0518
JA		 3836 {
3837 .name = "unit_base",
ba9c7219 3838 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518
JA		 3839 .type = FIO_OPT_INT,
3840 .off1 = td_var_offset(unit_base),
cf3a0518 3841 .prio = 1,
71a08258
JA		 3842 .posval = {
3843 { .ival = "0",
3844 .oval = 0,
3845 .help = "Auto-detect",
3846 },
3847 { .ival = "8",
3848 .oval = 8,
3849 .help = "Normal (byte based)",
3850 },
3851 { .ival = "1",
3852 .oval = 1,
3853 .help = "Bit based",
3854 },
3855 },
cf3a0518
JA		 3856 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3857 .category = FIO_OPT_C_GENERAL,
3858 .group = FIO_OPT_G_INVALID,
3859 },
3ceb458f
JA		 3860 {
3861 .name = "hugepage-size",
3862 .lname = "Hugepage size",
3863 .type = FIO_OPT_INT,
3864 .off1 = td_var_offset(hugepage_size),
3865 .help = "When using hugepages, specify size of each page",
3866 .def = __fio_stringify(FIO_HUGE_PAGE),
3867 .interval = 1024 * 1024,
3868 .category = FIO_OPT_C_GENERAL,
3869 .group = FIO_OPT_G_INVALID,
3870 },
9e684a49
DE		 3871 {
3872 .name = "flow_id",
e8b0e958 3873 .lname = "I/O flow ID",
9e684a49
DE		 3874 .type = FIO_OPT_INT,
3875 .off1 = td_var_offset(flow_id),
3876 .help = "The flow index ID to use",
3877 .def = "0",
e8b0e958
JA		 3878 .category = FIO_OPT_C_IO,
3879 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3880 },
3881 {
3882 .name = "flow",
e8b0e958 3883 .lname = "I/O flow weight",
9e684a49
DE		 3884 .type = FIO_OPT_INT,
3885 .off1 = td_var_offset(flow),
3886 .help = "Weight for flow control of this job",
3887 .parent = "flow_id",
d71c154c 3888 .hide = 1,
9e684a49 3889 .def = "0",
e8b0e958
JA		 3890 .category = FIO_OPT_C_IO,
3891 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3892 },
3893 {
3894 .name = "flow_watermark",
e8b0e958 3895 .lname = "I/O flow watermark",
9e684a49
DE		 3896 .type = FIO_OPT_INT,
3897 .off1 = td_var_offset(flow_watermark),
3898 .help = "High watermark for flow control. This option"
3899 " should be set to the same value for all threads"
3900 " with non-zero flow.",
3901 .parent = "flow_id",
d71c154c 3902 .hide = 1,
9e684a49 3903 .def = "1024",
e8b0e958
JA		 3904 .category = FIO_OPT_C_IO,
3905 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 3906 },
3907 {
3908 .name = "flow_sleep",
e8b0e958 3909 .lname = "I/O flow sleep",
9e684a49
DE		 3910 .type = FIO_OPT_INT,
3911 .off1 = td_var_offset(flow_sleep),
3912 .help = "How many microseconds to sleep after being held"
3913 " back by the flow control mechanism",
3914 .parent = "flow_id",
d71c154c 3915 .hide = 1,
9e684a49 3916 .def = "0",
e8b0e958
JA		 3917 .category = FIO_OPT_C_IO,
3918 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3919 },
65fa28ca
DE		 3920 {
3921 .name = "skip_bad",
3922 .lname = "Skip operations against bad blocks",
3923 .type = FIO_OPT_BOOL,
3924 .off1 = td_var_offset(skip_bad),
3925 .help = "Skip operations against known bad blocks.",
3926 .hide = 1,
3927 .def = "0",
3928 .category = FIO_OPT_C_IO,
3929 .group = FIO_OPT_G_MTD,
3930 },
214e1eca
JA		 3931 {
3932 .name = NULL,
3933 },
3934};
3935
17af15d4 3936static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3937 const char *name, int val)
9f81736c 3938{
17af15d4 3939 lopt->name = (char *) name;
de890a1e 3940 lopt->val = val;
9f81736c 3941 if (o->type == FIO_OPT_STR_SET)
ff52be3d 3942 lopt->has_arg = optional_argument;
9f81736c
JA		 3943 else
3944 lopt->has_arg = required_argument;
3945}
3946
de890a1e
SL		 3947static void options_to_lopts(struct fio_option *opts,
3948 struct option *long_options,
3949 int i, int option_type)
214e1eca 3950{
de890a1e 3951 struct fio_option *o = &opts[0];
214e1eca 3952 while (o->name) {
de890a1e 3953 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 3954 if (o->alias) {
3955 i++;
de890a1e 3956 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3957 }
214e1eca
JA		 3958
3959 i++;
3960 o++;
3961 assert(i < FIO_NR_OPTIONS);
3962 }
3963}
3964
de890a1e
SL		 3965void fio_options_set_ioengine_opts(struct option *long_options,
3966 struct thread_data *td)
3967{
3968 unsigned int i;
3969
3970 i = 0;
3971 while (long_options[i].name) {
3972 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3973 memset(&long_options[i], 0, sizeof(*long_options));
3974 break;
3975 }
3976 i++;
3977 }
3978
3979 /*
3980 * Just clear out the prior ioengine options.
3981 */
3982 if (!td || !td->eo)
3983 return;
3984
3985 options_to_lopts(td->io_ops->options, long_options, i,
3986 FIO_GETOPT_IOENGINE);
3987}
3988
3989void fio_options_dup_and_init(struct option *long_options)
3990{
3991 unsigned int i;
3992
9af4a244 3993 options_init(fio_options);
de890a1e
SL		 3994
3995 i = 0;
3996 while (long_options[i].name)
3997 i++;
3998
9af4a244 3999 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4000}
4001
74929ac2
JA		 4002struct fio_keyword {
4003 const char *word;
4004 const char *desc;
4005 char *replace;
4006};
4007
4008static struct fio_keyword fio_keywords[] = {
4009 {
4010 .word = "$pagesize",
4011 .desc = "Page size in the system",
4012 },
4013 {
4014 .word = "$mb_memory",
4015 .desc = "Megabytes of memory online",
4016 },
4017 {
4018 .word = "$ncpus",
4019 .desc = "Number of CPUs online in the system",
4020 },
4021 {
4022 .word = NULL,
4023 },
4024};
4025
af1dc266
JA		 4026void fio_keywords_exit(void)
4027{
4028 struct fio_keyword *kw;
4029
4030 kw = &fio_keywords[0];
4031 while (kw->word) {
4032 free(kw->replace);
4033 kw->replace = NULL;
4034 kw++;
4035 }
4036}
4037
74929ac2
JA		 4038void fio_keywords_init(void)
4039{
3b2e1464 4040 unsigned long long mb_memory;
74929ac2
JA		 4041 char buf[128];
4042 long l;
4043
a4cfc477 4044 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4045 fio_keywords[0].replace = strdup(buf);
4046
8eb016d3 4047 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4048 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4049 fio_keywords[1].replace = strdup(buf);
4050
c00a2289 4051 l = cpus_online();
74929ac2
JA		 4052 sprintf(buf, "%lu", l);
4053 fio_keywords[2].replace = strdup(buf);
4054}
4055
892a6ffc
JA		 4056#define BC_APP "bc"
4057
4058static char *bc_calc(char *str)
4059{
d0c814ec 4060 char buf[128], *tmp;
892a6ffc
JA		 4061 FILE *f;
4062 int ret;
4063
4064 /*
4065 * No math, just return string
4066 */
d0c814ec
SL		 4067 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4068 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4069 return str;
4070
4071 /*
4072 * Split option from value, we only need to calculate the value
4073 */
4074 tmp = strchr(str, '=');
4075 if (!tmp)
4076 return str;
4077
4078 tmp++;
892a6ffc 4079
d0c814ec
SL		 4080 /*
4081 * Prevent buffer overflows; such a case isn't reasonable anyway
4082 */
4083 if (strlen(str) >= 128 || strlen(tmp) > 100)
4084 return str;
892a6ffc
JA		 4085
4086 sprintf(buf, "which %s > /dev/null", BC_APP);
4087 if (system(buf)) {
4088 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4089 return NULL;
4090 }
4091
d0c814ec 4092 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4093 f = popen(buf, "r");
3c3ed070 4094 if (!f)
892a6ffc 4095 return NULL;
892a6ffc 4096
d0c814ec 4097 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4098 if (ret <= 0) {
4099 pclose(f);
892a6ffc 4100 return NULL;
1d824f37 4101 }
892a6ffc 4102
892a6ffc 4103 pclose(f);
d0c814ec
SL		 4104 buf[(tmp - str) + ret - 1] = '\0';
4105 memcpy(buf, str, tmp - str);
892a6ffc 4106 free(str);
d0c814ec
SL		 4107 return strdup(buf);
4108}
4109
4110/*
4111 * Return a copy of the input string with substrings of the form ${VARNAME}
4112 * substituted with the value of the environment variable VARNAME. The
4113 * substitution always occurs, even if VARNAME is empty or the corresponding
4114 * environment variable undefined.
4115 */
4116static char *option_dup_subs(const char *opt)
4117{
4118 char out[OPT_LEN_MAX+1];
4119 char in[OPT_LEN_MAX+1];
4120 char *outptr = out;
4121 char *inptr = in;
4122 char *ch1, *ch2, *env;
4123 ssize_t nchr = OPT_LEN_MAX;
4124 size_t envlen;
4125
4126 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4127 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4128 return NULL;
4129 }
4130
4131 in[OPT_LEN_MAX] = '\0';
4132 strncpy(in, opt, OPT_LEN_MAX);
4133
4134 while (*inptr && nchr > 0) {
4135 if (inptr[0] == '$' && inptr[1] == '{') {
4136 ch2 = strchr(inptr, '}');
4137 if (ch2 && inptr+1 < ch2) {
4138 ch1 = inptr+2;
4139 inptr = ch2+1;
4140 *ch2 = '\0';
4141
4142 env = getenv(ch1);
4143 if (env) {
4144 envlen = strlen(env);
4145 if (envlen <= nchr) {
4146 memcpy(outptr, env, envlen);
4147 outptr += envlen;
4148 nchr -= envlen;
4149 }
4150 }
4151
4152 continue;
4153 }
4154 }
4155
4156 *outptr++ = *inptr++;
4157 --nchr;
4158 }
4159
4160 *outptr = '\0';
4161 return strdup(out);
892a6ffc
JA		 4162}
4163
74929ac2
JA		 4164/*
4165 * Look for reserved variable names and replace them with real values
4166 */
4167static char *fio_keyword_replace(char *opt)
4168{
4169 char *s;
4170 int i;
d0c814ec 4171 int docalc = 0;
74929ac2
JA		 4172
4173 for (i = 0; fio_keywords[i].word != NULL; i++) {
4174 struct fio_keyword *kw = &fio_keywords[i];
4175
4176 while ((s = strstr(opt, kw->word)) != NULL) {
4177 char *new = malloc(strlen(opt) + 1);
4178 char *o_org = opt;
4179 int olen = s - opt;
4180 int len;
4181
4182 /*
4183 * Copy part of the string before the keyword and
4184 * sprintf() the replacement after it.
4185 */
4186 memcpy(new, opt, olen);
4187 len = sprintf(new + olen, "%s", kw->replace);
4188
4189 /*
4190 * If there's more in the original string, copy that
4191 * in too
4192 */
4193 opt += strlen(kw->word) + olen;
4194 if (strlen(opt))
4195 memcpy(new + olen + len, opt, opt - o_org - 1);
4196
4197 /*
4198 * replace opt and free the old opt
4199 */
4200 opt = new;
d0c814ec 4201 free(o_org);
7a958bd5 4202
d0c814ec 4203 docalc = 1;
74929ac2
JA		 4204 }
4205 }
4206
d0c814ec
SL		 4207 /*
4208 * Check for potential math and invoke bc, if possible
4209 */
4210 if (docalc)
4211 opt = bc_calc(opt);
4212
7a958bd5 4213 return opt;
74929ac2
JA		 4214}
4215
d0c814ec
SL		 4216static char **dup_and_sub_options(char **opts, int num_opts)
4217{
4218 int i;
4219 char **opts_copy = malloc(num_opts * sizeof(*opts));
4220 for (i = 0; i < num_opts; i++) {
4221 opts_copy[i] = option_dup_subs(opts[i]);
4222 if (!opts_copy[i])
4223 continue;
4224 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4225 }
4226 return opts_copy;
4227}
4228
e15b023b 4229static void show_closest_option(const char *opt)
a2d027b9
JA		 4230{
4231 int best_option, best_distance;
4232 int i, distance;
e15b023b
JA		 4233 char *name;
4234
4235 if (!strlen(opt))
4236 return;
4237
4238 name = strdup(opt);
4239 i = 0;
4240 while (name[i] != '\0' && name[i] != '=')
4241 i++;
4242 name[i] = '\0';
a2d027b9
JA		 4243
4244 best_option = -1;
4245 best_distance = INT_MAX;
4246 i = 0;
4247 while (fio_options[i].name) {
4248 distance = string_distance(name, fio_options[i].name);
4249 if (distance < best_distance) {
4250 best_distance = distance;
4251 best_option = i;
4252 }
4253 i++;
4254 }
4255
3701636d 4256 if (best_option != -1 && string_distance_ok(name, best_distance))
a2d027b9 4257 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4258
4259 free(name);
a2d027b9
JA		 4260}
4261
c2292325 4262int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4263{
de890a1e 4264 int i, ret, unknown;
d0c814ec 4265 char **opts_copy;
3b8b7135 4266
9af4a244 4267 sort_options(opts, fio_options, num_opts);
d0c814ec 4268 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4269
de890a1e
SL		 4270 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4271 struct fio_option *o;
9af4a244 4272 int newret = parse_option(opts_copy[i], opts[i], fio_options,
66e19a38 4273 &o, td, &td->opt_list);
d0c814ec 4274
a8523a6a
JA		 4275 if (!newret && o)
4276 fio_option_mark_set(&td->o, o);
4277
de890a1e
SL		 4278 if (opts_copy[i]) {
4279 if (newret && !o) {
4280 unknown++;
4281 continue;
4282 }
d0c814ec 4283 free(opts_copy[i]);
de890a1e
SL		 4284 opts_copy[i] = NULL;
4285 }
4286
4287 ret |= newret;
4288 }
4289
4290 if (unknown) {
4291 ret |= ioengine_load(td);
4292 if (td->eo) {
4293 sort_options(opts_copy, td->io_ops->options, num_opts);
4294 opts = opts_copy;
4295 }
4296 for (i = 0; i < num_opts; i++) {
4297 struct fio_option *o = NULL;
4298 int newret = 1;
a2d027b9 4299
de890a1e
SL		 4300 if (!opts_copy[i])
4301 continue;
4302
4303 if (td->eo)
4304 newret = parse_option(opts_copy[i], opts[i],
4305 td->io_ops->options, &o,
66e19a38 4306 td->eo, &td->opt_list);
de890a1e
SL		 4307
4308 ret |= newret;
a2d027b9 4309 if (!o) {
de890a1e 4310 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4311 show_closest_option(opts[i]);
4312 }
de890a1e
SL		 4313 free(opts_copy[i]);
4314 opts_copy[i] = NULL;
4315 }
74929ac2 4316 }
3b8b7135 4317
d0c814ec 4318 free(opts_copy);
3b8b7135 4319 return ret;
214e1eca
JA		 4320}
4321
4322int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4323{
a8523a6a
JA		 4324 int ret;
4325
d8b4f395 4326 ret = parse_cmd_option(opt, val, fio_options, td, &td->opt_list);
a8523a6a
JA		 4327 if (!ret) {
4328 struct fio_option *o;
4329
4330 o = find_option(fio_options, opt);
4331 if (o)
4332 fio_option_mark_set(&td->o, o);
4333 }
4334
4335 return ret;
214e1eca
JA		 4336}
4337
de890a1e
SL		 4338int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4339 char *val)
4340{
d8b4f395
JA		 4341 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4342 &td->opt_list);
de890a1e
SL		 4343}
4344
214e1eca
JA		 4345void fio_fill_default_options(struct thread_data *td)
4346{
cb1402d6 4347 td->o.magic = OPT_MAGIC;
9af4a244 4348 fill_default_options(td, fio_options);
214e1eca
JA		 4349}
4350
4351int fio_show_option_help(const char *opt)
4352{
9af4a244 4353 return show_cmd_help(fio_options, opt);
214e1eca 4354}
d23bb327 4355
de890a1e 4356void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 4357{
de890a1e 4358 struct fio_option *o;
d23bb327 4359 char **ptr;
d23bb327 4360
de890a1e
SL		 4361 for (o = &options[0]; o->name; o++) {
4362 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 4363 continue;
4364
f0fdbcaf 4365 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 4366 if (*ptr)
4367 *ptr = strdup(*ptr);
d23bb327
JA		 4368 }
4369}
4370
de890a1e
SL		 4371/*
4372 * dupe FIO_OPT_STR_STORE options
4373 */
4374void fio_options_mem_dupe(struct thread_data *td)
4375{
9af4a244 4376 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 4377
4378 if (td->eo && td->io_ops) {
de890a1e 4379 void *oldeo = td->eo;
1647f592 4380
de890a1e
SL		 4381 td->eo = malloc(td->io_ops->option_struct_size);
4382 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4383 options_mem_dupe(td->eo, td->io_ops->options);
4384 }
4385}
4386
d6978a32
JA		 4387unsigned int fio_get_kb_base(void *data)
4388{
83ea422a 4389 struct thread_options *o = data;
d6978a32
JA		 4390 unsigned int kb_base = 0;
4391
cb1402d6
JA		 4392 /*
4393 * This is a hack... For private options, *data is not holding
4394 * a pointer to the thread_options, but to private data. This means
4395 * we can't safely dereference it, but magic is first so mem wise
4396 * it is valid. But this also means that if the job first sets
4397 * kb_base and expects that to be honored by private options,
4398 * it will be disappointed. We will return the global default
4399 * for this.
4400 */
4401 if (o && o->magic == OPT_MAGIC)
83ea422a 4402 kb_base = o->kb_base;
d6978a32
JA		 4403 if (!kb_base)
4404 kb_base = 1024;
4405
4406 return kb_base;
4407}
9f988e2e 4408
07b3232d 4409int add_option(struct fio_option *o)
9f988e2e 4410{
07b3232d
JA		 4411 struct fio_option *__o;
4412 int opt_index = 0;
4413
9af4a244 4414 __o = fio_options;
07b3232d
JA		 4415 while (__o->name) {
4416 opt_index++;
4417 __o++;
4418 }
4419
7b504edd
JA		 4420 if (opt_index + 1 == FIO_MAX_OPTS) {
4421 log_err("fio: FIO_MAX_OPTS is too small\n");
4422 return 1;
4423 }
4424
9af4a244 4425 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4426 fio_options[opt_index + 1].name = NULL;
07b3232d 4427 return 0;
9f988e2e 4428}
e2de69da 4429
07b3232d 4430void invalidate_profile_options(const char *prof_name)
e2de69da 4431{
07b3232d 4432 struct fio_option *o;
e2de69da 4433
9af4a244 4434 o = fio_options;
07b3232d
JA		 4435 while (o->name) {
4436 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4437 o->type = FIO_OPT_INVALID;
4438 o->prof_name = NULL;
4439 }
4440 o++;
e2de69da
JA		 4441 }
4442}
f5b6bb85
JA		 4443
4444void add_opt_posval(const char *optname, const char *ival, const char *help)
4445{
4446 struct fio_option *o;
4447 unsigned int i;
4448
9af4a244 4449 o = find_option(fio_options, optname);
f5b6bb85
JA		 4450 if (!o)
4451 return;
4452
4453 for (i = 0; i < PARSE_MAX_VP; i++) {
4454 if (o->posval[i].ival)
4455 continue;
4456
4457 o->posval[i].ival = ival;
4458 o->posval[i].help = help;
4459 break;
4460 }
4461}
4462
4463void del_opt_posval(const char *optname, const char *ival)
4464{
4465 struct fio_option *o;
4466 unsigned int i;
4467
9af4a244 4468 o = find_option(fio_options, optname);
f5b6bb85
JA		 4469 if (!o)
4470 return;
4471
4472 for (i = 0; i < PARSE_MAX_VP; i++) {
4473 if (!o->posval[i].ival)
4474 continue;
4475 if (strcmp(o->posval[i].ival, ival))
4476 continue;
4477
4478 o->posval[i].ival = NULL;
4479 o->posval[i].help = NULL;
4480 }
4481}
7e356b2d
JA		 4482
4483void fio_options_free(struct thread_data *td)
4484{
9af4a244 4485 options_free(fio_options, td);
de890a1e
SL		 4486 if (td->eo && td->io_ops && td->io_ops->options) {
4487 options_free(td->io_ops->options, td->eo);
4488 free(td->eo);
4489 td->eo = NULL;
4490 }
7e356b2d 4491}
c504ee55
JA		 4492
4493struct fio_option *fio_option_find(const char *name)
4494{
4495 return find_option(fio_options, name);
4496}
4497
f0e7f45a
JA		 4498static struct fio_option *find_next_opt(struct thread_options *o,
4499 struct fio_option *from,
4500 unsigned int off1)
a8523a6a 4501{
f0e7f45a 4502 struct fio_option *opt;
a8523a6a 4503
f0e7f45a
JA		 4504 if (!from)
4505 from = &fio_options[0];
4506 else
4507 from++;
4508
4509 opt = NULL;
4510 do {
4511 if (off1 == from->off1) {
4512 opt = from;
a8523a6a
JA		 4513 break;
4514 }
f0e7f45a
JA		 4515 from++;
4516 } while (from->name);
a8523a6a 4517
f0e7f45a
JA		 4518 return opt;
4519}
4520
4521static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4522{
4523 unsigned int opt_off, index, offset;
a8523a6a
JA		 4524
4525 opt_off = opt - &fio_options[0];
4526 index = opt_off / (8 * sizeof(uint64_t));
4527 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4528 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 4529}
4530
72f39748 4531bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 4532{
4533 struct fio_option *opt, *next;
4534
4535 next = NULL;
4536 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4537 if (opt_is_set(o, opt))
72f39748 4538 return true;
f0e7f45a
JA		 4539
4540 next = opt;
4541 }
4542
72f39748 4543 return false;
f0e7f45a
JA		 4544}
4545
a8523a6a
JA		 4546void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4547{
4548 unsigned int opt_off, index, offset;
4549
4550 opt_off = opt - &fio_options[0];
4551 index = opt_off / (8 * sizeof(uint64_t));
4552 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4553 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 4554}
fio - Flexible IO Tester