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iolog: Now --read_iolog can contain multiple replay files, separated by ':'.
[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>
5921e80c 7#include <sys/stat.h>
e13c3b50 8#include <netinet/in.h>
214e1eca
JA		 9
10#include "fio.h"
4f5af7b2 11#include "verify.h"
214e1eca 12#include "parse.h"
61b9861d 13#include "lib/pattern.h"
9f988e2e 14#include "options.h"
d220c761 15#include "optgroup.h"
214e1eca 16
e13c3b50 17char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 18
a609f12a
JA		 19#define cb_data_to_td(data) container_of(data, struct thread_data, o)
20
fc8d6d05 21static struct pattern_fmt_desc fmt_desc[] = {
4205998f
JA		 22 {
23 .fmt = "%o",
24 .len = FIELD_SIZE(struct io_u *, offset),
25 .paste = paste_blockoff
26 }
27};
28
214e1eca
JA		 29/*
30 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
31 */
32static char *get_opt_postfix(const char *str)
33{
34 char *p = strstr(str, ":");
35
36 if (!p)
37 return NULL;
38
39 p++;
40 strip_blank_front(&p);
41 strip_blank_end(p);
42 return strdup(p);
43}
44
564ca972
JA		 45static int bs_cmp(const void *p1, const void *p2)
46{
47 const struct bssplit *bsp1 = p1;
48 const struct bssplit *bsp2 = p2;
49
a7cd478d 50 return (int) bsp1->perc - (int) bsp2->perc;
564ca972
JA		 51}
52
d2835319
JA		 53struct split {
54 unsigned int nr;
5fff9543 55 unsigned long long val1[ZONESPLIT_MAX];
9d8fc5e4 56 unsigned long long val2[ZONESPLIT_MAX];
d2835319
JA		 57};
58
59static int split_parse_ddir(struct thread_options *o, struct split *split,
517c9c72 60 char *str, bool absolute, unsigned int max_splits)
564ca972 61{
59466396
JA		 62 unsigned long long perc;
63 unsigned int i;
564ca972 64 long long val;
720e84ad 65 char *fname;
564ca972 66
d2835319 67 split->nr = 0;
564ca972
JA		 68
69 i = 0;
564ca972
JA		 70 while ((fname = strsep(&str, ":")) != NULL) {
71 char *perc_str;
72
73 if (!strlen(fname))
74 break;
75
564ca972
JA		 76 perc_str = strstr(fname, "/");
77 if (perc_str) {
78 *perc_str = '\0';
79 perc_str++;
59466396
JA		 80 if (absolute) {
81 if (str_to_decimal(perc_str, &val, 1, o, 0, 0)) {
82 log_err("fio: split conversion failed\n");
83 return 1;
84 }
85 perc = val;
86 } else {
87 perc = atoi(perc_str);
88 if (perc > 100)
89 perc = 100;
90 else if (!perc)
91 perc = -1U;
92 }
93 } else {
94 if (absolute)
95 perc = 0;
96 else
d711cce5 97 perc = -1U;
59466396 98 }
564ca972 99
88038bc7 100 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
59466396 101 log_err("fio: split conversion failed\n");
564ca972
JA		 102 return 1;
103 }
104
d2835319
JA		 105 split->val1[i] = val;
106 split->val2[i] = perc;
564ca972 107 i++;
c32e1a09
JA		 108 if (i == max_splits) {
109 log_err("fio: hit max of %d split entries\n", i);
d2835319 110 break;
c32e1a09 111 }
564ca972
JA		 112 }
113
d2835319
JA		 114 split->nr = i;
115 return 0;
116}
117
59466396
JA		 118static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str,
119 bool data)
d2835319
JA		 120{
121 unsigned int i, perc, perc_missing;
5fff9543 122 unsigned long long max_bs, min_bs;
d2835319
JA		 123 struct split split;
124
125 memset(&split, 0, sizeof(split));
126
517c9c72 127 if (split_parse_ddir(o, &split, str, data, BSSPLIT_MAX))
d2835319
JA		 128 return 1;
129 if (!split.nr)
130 return 0;
131
132 max_bs = 0;
133 min_bs = -1;
134 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
135 o->bssplit_nr[ddir] = split.nr;
136 for (i = 0; i < split.nr; i++) {
137 if (split.val1[i] > max_bs)
138 max_bs = split.val1[i];
139 if (split.val1[i] < min_bs)
140 min_bs = split.val1[i];
141
142 o->bssplit[ddir][i].bs = split.val1[i];
143 o->bssplit[ddir][i].perc =split.val2[i];
144 }
564ca972
JA		 145
146 /*
147 * Now check if the percentages add up, and how much is missing
148 */
149 perc = perc_missing = 0;
83ea422a 150 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 151 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 152
d711cce5 153 if (bsp->perc == -1U)
564ca972
JA		 154 perc_missing++;
155 else
156 perc += bsp->perc;
157 }
158
40bafa33 159 if (perc > 100 && perc_missing > 1) {
564ca972 160 log_err("fio: bssplit percentages add to more than 100%%\n");
d2835319
JA		 161 free(o->bssplit[ddir]);
162 o->bssplit[ddir] = NULL;
564ca972
JA		 163 return 1;
164 }
d711cce5 165
564ca972
JA		 166 /*
167 * If values didn't have a percentage set, divide the remains between
168 * them.
169 */
170 if (perc_missing) {
d711cce5 171 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 172 perc = 100;
83ea422a 173 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 174 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 175
d711cce5 176 if (bsp->perc == -1U)
564ca972
JA		 177 bsp->perc = (100 - perc) / perc_missing;
178 }
179 }
180
83ea422a
JA		 181 o->min_bs[ddir] = min_bs;
182 o->max_bs[ddir] = max_bs;
564ca972
JA		 183
184 /*
185 * now sort based on percentages, for ease of lookup
186 */
d2835319 187 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
720e84ad 188 return 0;
720e84ad
JA		 189}
190
59466396 191typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *, bool);
764593c0 192
59466396
JA		 193static int str_split_parse(struct thread_data *td, char *str,
194 split_parse_fn *fn, bool data)
720e84ad 195{
764593c0 196 char *odir, *ddir;
720e84ad
JA		 197 int ret = 0;
198
720e84ad
JA		 199 odir = strchr(str, ',');
200 if (odir) {
6eaf09d6
SL		 201 ddir = strchr(odir + 1, ',');
202 if (ddir) {
59466396 203 ret = fn(&td->o, DDIR_TRIM, ddir + 1, data);
6eaf09d6
SL		 204 if (!ret)
205 *ddir = '\0';
206 } else {
207 char *op;
208
209 op = strdup(odir + 1);
59466396 210 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL		 211
212 free(op);
213 }
d79db122 214 if (!ret)
59466396 215 ret = fn(&td->o, DDIR_WRITE, odir + 1, data);
720e84ad
JA		 216 if (!ret) {
217 *odir = '\0';
59466396 218 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad
JA		 219 }
220 } else {
221 char *op;
222
223 op = strdup(str);
59466396 224 ret = fn(&td->o, DDIR_WRITE, op, data);
6eaf09d6 225 free(op);
720e84ad 226
6eaf09d6
SL		 227 if (!ret) {
228 op = strdup(str);
59466396 229 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL		 230 free(op);
231 }
f0c9c217 232 if (!ret)
59466396 233 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad 234 }
564ca972 235
764593c0
JA		 236 return ret;
237}
238
239static int str_bssplit_cb(void *data, const char *input)
240{
a609f12a 241 struct thread_data *td = cb_data_to_td(data);
764593c0
JA		 242 char *str, *p;
243 int ret = 0;
244
764593c0
JA		 245 p = str = strdup(input);
246
247 strip_blank_front(&str);
248 strip_blank_end(str);
249
59466396 250 ret = str_split_parse(td, str, bssplit_ddir, false);
764593c0 251
55baca06
JA		 252 if (parse_dryrun()) {
253 int i;
254
255 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
256 free(td->o.bssplit[i]);
257 td->o.bssplit[i] = NULL;
258 td->o.bssplit_nr[i] = 0;
259 }
260 }
261
564ca972 262 free(p);
720e84ad 263 return ret;
564ca972
JA		 264}
265
8b28bd41
DM		 266static int str2error(char *str)
267{
a94eb99a 268 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 269 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
270 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
271 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
272 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
273 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
274 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 275 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
7fe481b4 276 int i = 0, num = sizeof(err) / sizeof(char *);
8b28bd41 277
a94eb99a 278 while (i < num) {
8b28bd41
DM		 279 if (!strcmp(err[i], str))
280 return i + 1;
281 i++;
282 }
283 return 0;
284}
285
3ed673c6
TK		 286static int ignore_error_type(struct thread_data *td, enum error_type_bit etype,
287 char *str)
8b28bd41
DM		 288{
289 unsigned int i;
290 int *error;
291 char *fname;
292
293 if (etype >= ERROR_TYPE_CNT) {
294 log_err("Illegal error type\n");
295 return 1;
296 }
297
298 td->o.ignore_error_nr[etype] = 4;
685ffd57 299 error = calloc(4, sizeof(int));
8b28bd41
DM		 300
301 i = 0;
302 while ((fname = strsep(&str, ":")) != NULL) {
303
304 if (!strlen(fname))
305 break;
306
307 /*
308 * grow struct buffer, if needed
309 */
310 if (i == td->o.ignore_error_nr[etype]) {
311 td->o.ignore_error_nr[etype] <<= 1;
312 error = realloc(error, td->o.ignore_error_nr[etype]
313 * sizeof(int));
314 }
315 if (fname[0] == 'E') {
316 error[i] = str2error(fname);
317 } else {
318 error[i] = atoi(fname);
319 if (error[i] < 0)
1616e025 320 error[i] = -error[i];
8b28bd41
DM		 321 }
322 if (!error[i]) {
d503e281 323 log_err("Unknown error %s, please use number value\n",
8b28bd41 324 fname);
d503e281 325 td->o.ignore_error_nr[etype] = 0;
0fddbf7a 326 free(error);
8b28bd41
DM		 327 return 1;
328 }
329 i++;
330 }
331 if (i) {
332 td->o.continue_on_error |= 1 << etype;
333 td->o.ignore_error_nr[etype] = i;
334 td->o.ignore_error[etype] = error;
d503e281
TK		 335 } else {
336 td->o.ignore_error_nr[etype] = 0;
c7b086be 337 free(error);
d503e281 338 }
c7b086be 339
8b28bd41
DM		 340 return 0;
341
342}
343
d7235efb
JA		 344static int str_replay_skip_cb(void *data, const char *input)
345{
346 struct thread_data *td = cb_data_to_td(data);
347 char *str, *p, *n;
348 int ret = 0;
349
350 if (parse_dryrun())
351 return 0;
352
353 p = str = strdup(input);
354
355 strip_blank_front(&str);
356 strip_blank_end(str);
357
358 while (p) {
359 n = strchr(p, ',');
360 if (n)
361 *n++ = '\0';
362 if (!strcmp(p, "read"))
363 td->o.replay_skip |= 1u << DDIR_READ;
364 else if (!strcmp(p, "write"))
365 td->o.replay_skip |= 1u << DDIR_WRITE;
366 else if (!strcmp(p, "trim"))
367 td->o.replay_skip |= 1u << DDIR_TRIM;
368 else if (!strcmp(p, "sync"))
369 td->o.replay_skip |= 1u << DDIR_SYNC;
370 else {
371 log_err("Unknown skip type: %s\n", p);
372 ret = 1;
373 break;
374 }
375 p = n;
376 }
377 free(str);
378 return ret;
379}
380
8b28bd41
DM		 381static int str_ignore_error_cb(void *data, const char *input)
382{
a609f12a 383 struct thread_data *td = cb_data_to_td(data);
8b28bd41 384 char *str, *p, *n;
3ed673c6
TK		 385 int ret = 1;
386 enum error_type_bit type = 0;
52c0cea3
JA		 387
388 if (parse_dryrun())
389 return 0;
390
8b28bd41
DM		 391 p = str = strdup(input);
392
393 strip_blank_front(&str);
394 strip_blank_end(str);
395
396 while (p) {
397 n = strchr(p, ',');
398 if (n)
399 *n++ = '\0';
400 ret = ignore_error_type(td, type, p);
401 if (ret)
402 break;
403 p = n;
404 type++;
405 }
406 free(str);
407 return ret;
408}
409
211097b2
JA		 410static int str_rw_cb(void *data, const char *str)
411{
a609f12a 412 struct thread_data *td = cb_data_to_td(data);
83ea422a 413 struct thread_options *o = &td->o;
27ca949f 414 char *nr;
211097b2 415
52c0cea3
JA		 416 if (parse_dryrun())
417 return 0;
418
83ea422a
JA		 419 o->ddir_seq_nr = 1;
420 o->ddir_seq_add = 0;
059b0802 421
27ca949f 422 nr = get_opt_postfix(str);
059b0802
JA		 423 if (!nr)
424 return 0;
425
426 if (td_random(td))
83ea422a 427 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 428 else {
429 long long val;
430
88038bc7 431 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 432 log_err("fio: rw postfix parsing failed\n");
433 free(nr);
434 return 1;
435 }
436
83ea422a 437 o->ddir_seq_add = val;
182ec6ee 438 }
211097b2 439
059b0802 440 free(nr);
211097b2
JA		 441 return 0;
442}
443
214e1eca
JA		 444static int str_mem_cb(void *data, const char *mem)
445{
a609f12a 446 struct thread_data *td = cb_data_to_td(data);
214e1eca 447
217b0f1d
LG		 448 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
449 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 450 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 451
452 return 0;
453}
454
c223da83
JA		 455static int fio_clock_source_cb(void *data, const char *str)
456{
a609f12a 457 struct thread_data *td = cb_data_to_td(data);
c223da83
JA		 458
459 fio_clock_source = td->o.clocksource;
fa80feae 460 fio_clock_source_set = 1;
01423eae 461 fio_clock_init();
c223da83
JA		 462 return 0;
463}
464
85bc833b 465static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4 466{
a609f12a 467 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 468
469 td->o.rwmix[DDIR_READ] = *val;
470 td->o.rwmix[DDIR_WRITE] = 100 - *val;
471 return 0;
472}
473
85bc833b 474static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4 475{
a609f12a 476 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 477
478 td->o.rwmix[DDIR_WRITE] = *val;
479 td->o.rwmix[DDIR_READ] = 100 - *val;
480 return 0;
481}
482
214e1eca
JA		 483static int str_exitall_cb(void)
484{
485 exitall_on_terminate = 1;
486 return 0;
487}
488
214e1eca 489#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 490int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 491{
50b5860b 492 unsigned int i, index, cpus_in_mask;
c2acfbac 493 const long max_cpu = cpus_online();
c2acfbac 494
50b5860b
JA		 495 cpus_in_mask = fio_cpu_count(mask);
496 cpu_index = cpu_index % cpus_in_mask;
497
498 index = 0;
c2acfbac 499 for (i = 0; i < max_cpu; i++) {
50b5860b 500 if (!fio_cpu_isset(mask, i))
c2acfbac 501 continue;
50b5860b
JA		 502
503 if (cpu_index != index)
504 fio_cpu_clear(mask, i);
505
506 index++;
c2acfbac
JA		 507 }
508
509 return fio_cpu_count(mask);
510}
511
85bc833b 512static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0 513{
a609f12a 514 struct thread_data *td = cb_data_to_td(data);
214e1eca 515 unsigned int i;
b03daafb 516 long max_cpu;
d2ce18b5
JA		 517 int ret;
518
52c0cea3
JA		 519 if (parse_dryrun())
520 return 0;
521
d2ce18b5
JA		 522 ret = fio_cpuset_init(&td->o.cpumask);
523 if (ret < 0) {
524 log_err("fio: cpuset_init failed\n");
525 td_verror(td, ret, "fio_cpuset_init");
526 return 1;
527 }
214e1eca 528
c00a2289 529 max_cpu = cpus_online();
214e1eca 530
62a7273d
JA		 531 for (i = 0; i < sizeof(int) * 8; i++) {
532 if ((1 << i) & *val) {
b8411399 533 if (i >= max_cpu) {
b03daafb 534 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 535 max_cpu - 1);
b03daafb
JA		 536 return 1;
537 }
62a7273d 538 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 539 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 540 }
541 }
d2e268b0 542
d2e268b0 543 return 0;
214e1eca
JA		 544}
545
e8462bd8
JA		 546static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
547 const char *input)
214e1eca 548{
d2e268b0 549 char *cpu, *str, *p;
b03daafb 550 long max_cpu;
19608d6c 551 int ret = 0;
d2e268b0 552
e8462bd8 553 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 554 if (ret < 0) {
555 log_err("fio: cpuset_init failed\n");
556 td_verror(td, ret, "fio_cpuset_init");
557 return 1;
558 }
d2e268b0
JA		 559
560 p = str = strdup(input);
214e1eca 561
d2e268b0
JA		 562 strip_blank_front(&str);
563 strip_blank_end(str);
564
c00a2289 565 max_cpu = cpus_online();
b03daafb 566
d2e268b0 567 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 568 char *str2, *cpu2;
569 int icpu, icpu2;
570
d2e268b0
JA		 571 if (!strlen(cpu))
572 break;
62a7273d
JA		 573
574 str2 = cpu;
575 icpu2 = -1;
576 while ((cpu2 = strsep(&str2, "-")) != NULL) {
577 if (!strlen(cpu2))
578 break;
579
580 icpu2 = atoi(cpu2);
581 }
582
583 icpu = atoi(cpu);
584 if (icpu2 == -1)
585 icpu2 = icpu;
586 while (icpu <= icpu2) {
6d459ee7 587 if (icpu >= FIO_MAX_CPUS) {
19608d6c 588 log_err("fio: your OS only supports up to"
6d459ee7 589 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 590 ret = 1;
591 break;
592 }
9e986889 593 if (icpu >= max_cpu) {
b03daafb 594 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 595 icpu, max_cpu - 1);
b03daafb
JA		 596 ret = 1;
597 break;
598 }
0b9d69ec 599
62a7273d 600 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 601 fio_cpu_set(mask, icpu);
62a7273d
JA		 602 icpu++;
603 }
19608d6c
JA		 604 if (ret)
605 break;
d2e268b0
JA		 606 }
607
608 free(p);
19608d6c 609 return ret;
214e1eca 610}
e8462bd8
JA		 611
612static int str_cpus_allowed_cb(void *data, const char *input)
613{
a609f12a 614 struct thread_data *td = cb_data_to_td(data);
e8462bd8 615
52c0cea3
JA		 616 if (parse_dryrun())
617 return 0;
618
b2a9e649 619 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 620}
621
622static int str_verify_cpus_allowed_cb(void *data, const char *input)
623{
a609f12a 624 struct thread_data *td = cb_data_to_td(data);
e8462bd8 625
466155e2
JA		 626 if (parse_dryrun())
627 return 0;
628
b2a9e649 629 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 630}
c08f9fe2 631
105157ad 632#ifdef CONFIG_ZLIB
c08f9fe2
JA		 633static int str_log_cpus_allowed_cb(void *data, const char *input)
634{
a609f12a 635 struct thread_data *td = cb_data_to_td(data);
c08f9fe2
JA		 636
637 if (parse_dryrun())
638 return 0;
639
640 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
641}
105157ad 642#endif /* CONFIG_ZLIB */
c08f9fe2 643
105157ad 644#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 645
67bf9823 646#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 647static int str_numa_cpunodes_cb(void *data, char *input)
648{
a609f12a 649 struct thread_data *td = cb_data_to_td(data);
43522848 650 struct bitmask *verify_bitmask;
d0b937ed 651
52c0cea3
JA		 652 if (parse_dryrun())
653 return 0;
654
d0b937ed
YR		 655 /* numa_parse_nodestring() parses a character string list
656 * of nodes into a bit mask. The bit mask is allocated by
657 * numa_allocate_nodemask(), so it should be freed by
658 * numa_free_nodemask().
659 */
43522848
DG		 660 verify_bitmask = numa_parse_nodestring(input);
661 if (verify_bitmask == NULL) {
d0b937ed
YR		 662 log_err("fio: numa_parse_nodestring failed\n");
663 td_verror(td, 1, "str_numa_cpunodes_cb");
664 return 1;
665 }
43522848 666 numa_free_nodemask(verify_bitmask);
d0b937ed 667
43522848 668 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 669 return 0;
670}
671
672static int str_numa_mpol_cb(void *data, char *input)
673{
a609f12a 674 struct thread_data *td = cb_data_to_td(data);
d0b937ed 675 const char * const policy_types[] =
05d6f44b 676 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 677 int i;
52c0cea3 678 char *nodelist;
43522848 679 struct bitmask *verify_bitmask;
52c0cea3
JA		 680
681 if (parse_dryrun())
682 return 0;
d0b937ed 683
52c0cea3 684 nodelist = strchr(input, ':');
d0b937ed
YR		 685 if (nodelist) {
686 /* NUL-terminate mode */
687 *nodelist++ = '\0';
688 }
689
690 for (i = 0; i <= MPOL_LOCAL; i++) {
691 if (!strcmp(input, policy_types[i])) {
692 td->o.numa_mem_mode = i;
693 break;
694 }
695 }
696 if (i > MPOL_LOCAL) {
697 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
698 goto out;
699 }
700
701 switch (td->o.numa_mem_mode) {
702 case MPOL_PREFERRED:
703 /*
704 * Insist on a nodelist of one node only
705 */
706 if (nodelist) {
707 char *rest = nodelist;
708 while (isdigit(*rest))
709 rest++;
710 if (*rest) {
711 log_err("fio: one node only for \'prefer\'\n");
712 goto out;
713 }
714 } else {
715 log_err("fio: one node is needed for \'prefer\'\n");
716 goto out;
717 }
718 break;
719 case MPOL_INTERLEAVE:
720 /*
721 * Default to online nodes with memory if no nodelist
722 */
723 if (!nodelist)
724 nodelist = strdup("all");
725 break;
726 case MPOL_LOCAL:
727 case MPOL_DEFAULT:
728 /*
729 * Don't allow a nodelist
730 */
731 if (nodelist) {
732 log_err("fio: NO nodelist for \'local\'\n");
733 goto out;
734 }
735 break;
736 case MPOL_BIND:
737 /*
738 * Insist on a nodelist
739 */
740 if (!nodelist) {
741 log_err("fio: a nodelist is needed for \'bind\'\n");
742 goto out;
743 }
744 break;
745 }
746
747
748 /* numa_parse_nodestring() parses a character string list
749 * of nodes into a bit mask. The bit mask is allocated by
750 * numa_allocate_nodemask(), so it should be freed by
751 * numa_free_nodemask().
752 */
753 switch (td->o.numa_mem_mode) {
754 case MPOL_PREFERRED:
755 td->o.numa_mem_prefer_node = atoi(nodelist);
756 break;
757 case MPOL_INTERLEAVE:
758 case MPOL_BIND:
43522848
DG		 759 verify_bitmask = numa_parse_nodestring(nodelist);
760 if (verify_bitmask == NULL) {
d0b937ed
YR		 761 log_err("fio: numa_parse_nodestring failed\n");
762 td_verror(td, 1, "str_numa_memnodes_cb");
763 return 1;
764 }
43522848
DG		 765 td->o.numa_memnodes = strdup(nodelist);
766 numa_free_nodemask(verify_bitmask);
b74e419e 767
d0b937ed
YR		 768 break;
769 case MPOL_LOCAL:
770 case MPOL_DEFAULT:
771 default:
772 break;
773 }
774
d0b937ed 775 return 0;
d0b937ed
YR		 776out:
777 return 1;
778}
779#endif
780
214e1eca
JA		 781static int str_fst_cb(void *data, const char *str)
782{
a609f12a 783 struct thread_data *td = cb_data_to_td(data);
8c07860d
JA		 784 double val;
785 bool done = false;
786 char *nr;
214e1eca
JA		 787
788 td->file_service_nr = 1;
8c07860d
JA		 789
790 switch (td->o.file_service_type) {
791 case FIO_FSERVICE_RANDOM:
792 case FIO_FSERVICE_RR:
793 case FIO_FSERVICE_SEQ:
794 nr = get_opt_postfix(str);
795 if (nr) {
796 td->file_service_nr = atoi(nr);
797 free(nr);
798 }
799 done = true;
800 break;
801 case FIO_FSERVICE_ZIPF:
802 val = FIO_DEF_ZIPF;
803 break;
804 case FIO_FSERVICE_PARETO:
805 val = FIO_DEF_PARETO;
806 break;
807 case FIO_FSERVICE_GAUSS:
808 val = 0.0;
809 break;
810 default:
811 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
812 return 1;
813 }
814
815 if (done)
816 return 0;
817
818 nr = get_opt_postfix(str);
819 if (nr && !str_to_float(nr, &val, 0)) {
820 log_err("fio: file service type random postfix parsing failed\n");
182ec6ee 821 free(nr);
8c07860d
JA		 822 return 1;
823 }
824
825 free(nr);
826
827 switch (td->o.file_service_type) {
828 case FIO_FSERVICE_ZIPF:
829 if (val == 1.00) {
830 log_err("fio: zipf theta must be different than 1.0\n");
831 return 1;
832 }
833 if (parse_dryrun())
834 return 0;
835 td->zipf_theta = val;
836 break;
837 case FIO_FSERVICE_PARETO:
838 if (val <= 0.00 || val >= 1.00) {
839 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
840 return 1;
841 }
842 if (parse_dryrun())
843 return 0;
844 td->pareto_h = val;
845 break;
846 case FIO_FSERVICE_GAUSS:
847 if (val < 0.00 || val >= 100.00) {
99c94a6b 848 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
8c07860d
JA		 849 return 1;
850 }
851 if (parse_dryrun())
852 return 0;
853 td->gauss_dev = val;
854 break;
182ec6ee 855 }
214e1eca
JA		 856
857 return 0;
858}
859
67bf9823 860#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 861static int str_sfr_cb(void *data, const char *str)
862{
a609f12a 863 struct thread_data *td = cb_data_to_td(data);
44f29692
JA		 864 char *nr = get_opt_postfix(str);
865
866 td->sync_file_range_nr = 1;
867 if (nr) {
868 td->sync_file_range_nr = atoi(nr);
869 free(nr);
870 }
871
872 return 0;
873}
3ae06371 874#endif
44f29692 875
764593c0 876static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
59466396 877 char *str, bool absolute)
e0a04ac1 878{
e0a04ac1 879 unsigned int i, perc, perc_missing, sperc, sperc_missing;
d2835319 880 struct split split;
e0a04ac1 881
d2835319 882 memset(&split, 0, sizeof(split));
e0a04ac1 883
517c9c72 884 if (split_parse_ddir(o, &split, str, absolute, ZONESPLIT_MAX))
d2835319
JA		 885 return 1;
886 if (!split.nr)
887 return 0;
e0a04ac1 888
d2835319
JA		 889 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
890 o->zone_split_nr[ddir] = split.nr;
891 for (i = 0; i < split.nr; i++) {
892 o->zone_split[ddir][i].access_perc = split.val1[i];
59466396
JA		 893 if (absolute)
894 o->zone_split[ddir][i].size = split.val2[i];
895 else
896 o->zone_split[ddir][i].size_perc = split.val2[i];
e0a04ac1
JA		 897 }
898
e0a04ac1
JA		 899 /*
900 * Now check if the percentages add up, and how much is missing
901 */
902 perc = perc_missing = 0;
903 sperc = sperc_missing = 0;
904 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 905 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 906
907 if (zsp->access_perc == (uint8_t) -1U)
908 perc_missing++;
909 else
910 perc += zsp->access_perc;
911
59466396
JA		 912 if (!absolute) {
913 if (zsp->size_perc == (uint8_t) -1U)
914 sperc_missing++;
915 else
916 sperc += zsp->size_perc;
917 }
e0a04ac1
JA		 918 }
919
920 if (perc > 100 || sperc > 100) {
921 log_err("fio: zone_split percentages add to more than 100%%\n");
d2835319
JA		 922 free(o->zone_split[ddir]);
923 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 924 return 1;
925 }
926 if (perc < 100) {
927 log_err("fio: access percentage don't add up to 100 for zoned "
928 "random distribution (got=%u)\n", perc);
d2835319
JA		 929 free(o->zone_split[ddir]);
930 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 931 return 1;
932 }
933
934 /*
935 * If values didn't have a percentage set, divide the remains between
936 * them.
937 */
938 if (perc_missing) {
939 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
940 perc = 100;
941 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 942 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 943
944 if (zsp->access_perc == (uint8_t) -1U)
945 zsp->access_perc = (100 - perc) / perc_missing;
946 }
947 }
948 if (sperc_missing) {
949 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
950 sperc = 100;
951 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 952 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 953
954 if (zsp->size_perc == (uint8_t) -1U)
955 zsp->size_perc = (100 - sperc) / sperc_missing;
956 }
957 }
958
e0a04ac1
JA		 959 return 0;
960}
961
962static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
963{
964 unsigned int i, j, sprev, aprev;
59466396 965 uint64_t sprev_sz;
e0a04ac1
JA		 966
967 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
968
59466396 969 sprev_sz = sprev = aprev = 0;
e0a04ac1
JA		 970 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
971 struct zone_split *zsp = &td->o.zone_split[ddir][i];
972
973 for (j = aprev; j < aprev + zsp->access_perc; j++) {
974 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
975
976 zsi->size_perc = sprev + zsp->size_perc;
977 zsi->size_perc_prev = sprev;
59466396
JA		 978
979 zsi->size = sprev_sz + zsp->size;
980 zsi->size_prev = sprev_sz;
e0a04ac1
JA		 981 }
982
983 aprev += zsp->access_perc;
984 sprev += zsp->size_perc;
59466396 985 sprev_sz += zsp->size;
e0a04ac1
JA		 986 }
987}
988
989/*
990 * Generate state table for indexes, so we don't have to do it inline from
991 * the hot IO path
992 */
993static void td_zone_gen_index(struct thread_data *td)
994{
995 int i;
996
997 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
998 sizeof(struct zone_split_index *));
999
1000 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1001 __td_zone_gen_index(td, i);
1002}
1003
59466396
JA		 1004static int parse_zoned_distribution(struct thread_data *td, const char *input,
1005 bool absolute)
e0a04ac1 1006{
59466396 1007 const char *pre = absolute ? "zoned_abs:" : "zoned:";
764593c0 1008 char *str, *p;
e0a04ac1
JA		 1009 int i, ret = 0;
1010
1011 p = str = strdup(input);
1012
1013 strip_blank_front(&str);
1014 strip_blank_end(str);
1015
1016 /* We expect it to start like that, bail if not */
59466396 1017 if (strncmp(str, pre, strlen(pre))) {
e0a04ac1
JA		 1018 log_err("fio: mismatch in zoned input <%s>\n", str);
1019 free(p);
1020 return 1;
1021 }
59466396 1022 str += strlen(pre);
e0a04ac1 1023
59466396 1024 ret = str_split_parse(td, str, zone_split_ddir, absolute);
e0a04ac1
JA		 1025
1026 free(p);
1027
1028 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1029 int j;
1030
1031 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
1032
1033 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
1034 struct zone_split *zsp = &td->o.zone_split[i][j];
1035
59466396
JA		 1036 if (absolute) {
1037 dprint(FD_PARSE, "\t%d: %u/%llu\n", j,
1038 zsp->access_perc,
1039 (unsigned long long) zsp->size);
1040 } else {
1041 dprint(FD_PARSE, "\t%d: %u/%u\n", j,
1042 zsp->access_perc,
1043 zsp->size_perc);
1044 }
e0a04ac1
JA		 1045 }
1046 }
1047
55baca06 1048 if (parse_dryrun()) {
55baca06
JA		 1049 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1050 free(td->o.zone_split[i]);
1051 td->o.zone_split[i] = NULL;
1052 td->o.zone_split_nr[i] = 0;
1053 }
1054
1055 return ret;
1056 }
1057
e0a04ac1
JA		 1058 if (!ret)
1059 td_zone_gen_index(td);
dc4bffb8
JA		 1060 else {
1061 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1062 td->o.zone_split_nr[i] = 0;
1063 }
e0a04ac1
JA		 1064
1065 return ret;
1066}
1067
e25839d4
JA		 1068static int str_random_distribution_cb(void *data, const char *str)
1069{
a609f12a 1070 struct thread_data *td = cb_data_to_td(data);
e25839d4
JA		 1071 double val;
1072 char *nr;
1073
925fee33 1074 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1075 val = FIO_DEF_ZIPF;
925fee33 1076 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1077 val = FIO_DEF_PARETO;
56d9fa4b
JA		 1078 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1079 val = 0.0;
e0a04ac1 1080 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
59466396
JA		 1081 return parse_zoned_distribution(td, str, false);
1082 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS)
1083 return parse_zoned_distribution(td, str, true);
925fee33 1084 else
e25839d4
JA		 1085 return 0;
1086
1087 nr = get_opt_postfix(str);
88038bc7 1088 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 1089 log_err("fio: random postfix parsing failed\n");
1090 free(nr);
1091 return 1;
1092 }
1093
078189c1
JA		 1094 free(nr);
1095
18ded917
JA		 1096 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1097 if (val == 1.00) {
1098 log_err("fio: zipf theta must different than 1.0\n");
1099 return 1;
1100 }
55baca06
JA		 1101 if (parse_dryrun())
1102 return 0;
1e5324e7 1103 td->o.zipf_theta.u.f = val;
56d9fa4b 1104 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 1105 if (val <= 0.00 || val >= 1.00) {
1106 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1107 return 1;
1108 }
55baca06
JA		 1109 if (parse_dryrun())
1110 return 0;
1e5324e7 1111 td->o.pareto_h.u.f = val;
3cdb8cf3 1112 } else {
76527b19 1113 if (val < 0.00 || val >= 100.0) {
99c94a6b 1114 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA		 1115 return 1;
1116 }
55baca06
JA		 1117 if (parse_dryrun())
1118 return 0;
f88cd222 1119 td->o.gauss_dev.u.f = val;
3cdb8cf3 1120 }
921c766f
JA		 1121
1122 return 0;
1123}
1124
16e56d25
VF		 1125static int str_steadystate_cb(void *data, const char *str)
1126{
94f218f6 1127 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF		 1128 double val;
1129 char *nr;
1130 char *pct;
1131 long long ll;
1132
2c5d94bc
VF		 1133 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1134 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF		 1135 /* should be impossible to get here */
1136 log_err("fio: unknown steady state criterion\n");
1137 return 1;
1138 }
1139
1140 nr = get_opt_postfix(str);
1141 if (!nr) {
1142 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1143 free(nr);
1144 return 1;
1145 }
1146
1147 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1148 pct = strstr(nr, "%");
1149 if (pct) {
1150 *pct = '\0';
1151 strip_blank_end(nr);
1152 if (!str_to_float(nr, &val, 0)) {
1153 log_err("fio: could not parse steadystate threshold percentage\n");
1154 free(nr);
1155 return 1;
1156 }
1157
1158 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1159 free(nr);
1160 if (parse_dryrun())
1161 return 0;
1162
c8caba48 1163 td->o.ss_state |= FIO_SS_PCT;
16e56d25 1164 td->o.ss_limit.u.f = val;
c8caba48 1165 } else if (td->o.ss_state & FIO_SS_IOPS) {
16e56d25
VF		 1166 if (!str_to_float(nr, &val, 0)) {
1167 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1168 free(nr);
1169 return 1;
1170 }
1171
1172 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1173 free(nr);
1174 if (parse_dryrun())
1175 return 0;
1176
16e56d25 1177 td->o.ss_limit.u.f = val;
16e56d25
VF		 1178 } else { /* bandwidth criterion */
1179 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1180 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1181 free(nr);
1182 return 1;
1183 }
1184
1185 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1186 free(nr);
1187 if (parse_dryrun())
1188 return 0;
1189
16e56d25 1190 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF		 1191 }
1192
2c5d94bc 1193 td->ss.state = td->o.ss_state;
16e56d25
VF		 1194 return 0;
1195}
1196
8e827d35 1197/*
bcbfeefa 1198 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 1199 * is escaped with a '\', then that ':' is part of the filename and does not
1200 * indicate a new file.
1201 */
bcbfeefa 1202static char *get_next_name(char **ptr)
8e827d35
JA		 1203{
1204 char *str = *ptr;
1205 char *p, *start;
1206
1207 if (!str || !strlen(str))
1208 return NULL;
1209
1210 start = str;
1211 do {
1212 /*
1213 * No colon, we are done
1214 */
1215 p = strchr(str, ':');
1216 if (!p) {
1217 *ptr = NULL;
1218 break;
1219 }
1220
1221 /*
1222 * We got a colon, but it's the first character. Skip and
1223 * continue
1224 */
1225 if (p == start) {
1226 str = ++start;
1227 continue;
1228 }
1229
1230 if (*(p - 1) != '\\') {
1231 *p = '\0';
1232 *ptr = p + 1;
1233 break;
1234 }
1235
1236 memmove(p - 1, p, strlen(p) + 1);
1237 str = p;
1238 } while (1);
1239
1240 return start;
1241}
1242
bcbfeefa
CE		 1243
1244static int get_max_name_idx(char *input)
1245{
1246 unsigned int cur_idx;
1247 char *str, *p;
1248
1249 p = str = strdup(input);
1250 for (cur_idx = 0; ; cur_idx++)
1251 if (get_next_name(&str) == NULL)
1252 break;
1253
1254 free(p);
1255 return cur_idx;
1256}
1257
1258/*
1259 * Returns the directory at the index, indexes > entires will be
1260 * assigned via modulo division of the index
1261 */
922a5be8
JA		 1262int set_name_idx(char *target, size_t tlen, char *input, int index,
1263 bool unique_filename)
bcbfeefa
CE		 1264{
1265 unsigned int cur_idx;
1266 int len;
1267 char *fname, *str, *p;
1268
1269 p = str = strdup(input);
1270
1271 index %= get_max_name_idx(input);
1272 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1273 fname = get_next_name(&str);
1274
922a5be8 1275 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA		 1276 len = snprintf(target, tlen, "%s/%s.", fname,
1277 client_sockaddr_str);
1278 } else
1279 len = snprintf(target, tlen, "%s/", fname);
72a703da 1280
e13c3b50 1281 target[tlen - 1] = '\0';
bcbfeefa
CE		 1282 free(p);
1283
1284 return len;
1285}
1286
c70c7f58
AK		 1287char* get_name_by_idx(char *input, int index)
1288{
1289 unsigned int cur_idx;
1290 char *fname, *str, *p;
1291
1292 p = str = strdup(input);
1293
1294 index %= get_max_name_idx(input);
1295 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1296 fname = get_next_name(&str);
1297
1298 fname = strdup(fname);
1299 free(p);
1300
1301 return fname;
1302}
1303
214e1eca
JA		 1304static int str_filename_cb(void *data, const char *input)
1305{
a609f12a 1306 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA		 1307 char *fname, *str, *p;
1308
1309 p = str = strdup(input);
1310
1311 strip_blank_front(&str);
1312 strip_blank_end(str);
1313
79591fa9
TK		 1314 /*
1315 * Ignore what we may already have from nrfiles option.
1316 */
214e1eca 1317 if (!td->files_index)
2dc1bbeb 1318 td->o.nr_files = 0;
214e1eca 1319
bcbfeefa 1320 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 1321 if (!strlen(fname))
1322 break;
5903e7b7 1323 add_file(td, fname, 0, 1);
214e1eca
JA		 1324 }
1325
1326 free(p);
1327 return 0;
1328}
1329
bcbfeefa 1330static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1331{
a609f12a 1332 struct thread_data *td = cb_data_to_td(data);
214e1eca 1333 struct stat sb;
bcbfeefa
CE		 1334 char *dirname, *str, *p;
1335 int ret = 0;
214e1eca 1336
f9633d72
JA		 1337 if (parse_dryrun())
1338 return 0;
1339
bcbfeefa
CE		 1340 p = str = strdup(td->o.directory);
1341 while ((dirname = get_next_name(&str)) != NULL) {
1342 if (lstat(dirname, &sb) < 0) {
1343 ret = errno;
921c766f 1344
bcbfeefa
CE		 1345 log_err("fio: %s is not a directory\n", dirname);
1346 td_verror(td, ret, "lstat");
1347 goto out;
1348 }
1349 if (!S_ISDIR(sb.st_mode)) {
1350 log_err("fio: %s is not a directory\n", dirname);
1351 ret = 1;
1352 goto out;
1353 }
214e1eca
JA		 1354 }
1355
bcbfeefa
CE		 1356out:
1357 free(p);
1358 return ret;
214e1eca
JA		 1359}
1360
1361static int str_opendir_cb(void *data, const char fio_unused *str)
1362{
a609f12a 1363 struct thread_data *td = cb_data_to_td(data);
214e1eca 1364
52c0cea3
JA		 1365 if (parse_dryrun())
1366 return 0;
1367
214e1eca 1368 if (!td->files_index)
2dc1bbeb 1369 td->o.nr_files = 0;
214e1eca 1370
2dc1bbeb 1371 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1372}
1373
ce35b1ec
JA		 1374static int str_buffer_pattern_cb(void *data, const char *input)
1375{
a609f12a 1376 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1377 int ret;
1378
61b9861d
RP		 1379 /* FIXME: for now buffer pattern does not support formats */
1380 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1381 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1382 if (ret < 0)
1383 return 1;
ce35b1ec 1384
61b9861d
RP		 1385 assert(ret != 0);
1386 td->o.buffer_pattern_bytes = ret;
c55fae03
JA		 1387
1388 /*
1389 * If this job is doing any reading or has compression set,
1390 * ensure that we refill buffers for writes or we could be
1391 * invalidating the pattern through reads.
1392 */
1393 if (!td->o.compress_percentage && !td_read(td))
61b9861d 1394 td->o.refill_buffers = 0;
c55fae03
JA		 1395 else
1396 td->o.refill_buffers = 1;
1397
61b9861d
RP		 1398 td->o.scramble_buffers = 0;
1399 td->o.zero_buffers = 0;
efcd9dcc 1400
61b9861d 1401 return 0;
ce35b1ec
JA		 1402}
1403
bedc9dc2
JA		 1404static int str_buffer_compress_cb(void *data, unsigned long long *il)
1405{
a609f12a 1406 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA		 1407
1408 td->flags |= TD_F_COMPRESS;
1409 td->o.compress_percentage = *il;
1410 return 0;
1411}
1412
5c94b008
JA		 1413static int str_dedupe_cb(void *data, unsigned long long *il)
1414{
a609f12a 1415 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA		 1416
1417 td->flags |= TD_F_COMPRESS;
1418 td->o.dedupe_percentage = *il;
1419 td->o.refill_buffers = 1;
1420 return 0;
1421}
1422
ce35b1ec
JA		 1423static int str_verify_pattern_cb(void *data, const char *input)
1424{
a609f12a 1425 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1426 int ret;
1427
61b9861d
RP		 1428 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1429 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA		 1430 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1431 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1432 if (ret < 0)
1433 return 1;
efcd9dcc 1434
61b9861d
RP		 1435 assert(ret != 0);
1436 td->o.verify_pattern_bytes = ret;
92bf48d5 1437 /*
b638d82f 1438 * VERIFY_* could already be set
92bf48d5 1439 */
61b9861d 1440 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1441 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1442
61b9861d 1443 return 0;
90059d65 1444}
214e1eca 1445
993bf48b
JA		 1446static int str_gtod_reduce_cb(void *data, int *il)
1447{
a609f12a 1448 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA		 1449 int val = *il;
1450
02af0988 1451 td->o.disable_lat = !!val;
993bf48b
JA		 1452 td->o.disable_clat = !!val;
1453 td->o.disable_slat = !!val;
1454 td->o.disable_bw = !!val;
0dc1bc03 1455 td->o.clat_percentiles = !val;
993bf48b 1456 if (val)
8b6a404c 1457 td->ts_cache_mask = 63;
993bf48b
JA		 1458
1459 return 0;
1460}
1461
89978a6b
BW		 1462static int str_offset_cb(void *data, unsigned long long *__val)
1463{
1464 struct thread_data *td = cb_data_to_td(data);
1465 unsigned long long v = *__val;
1466
1467 if (parse_is_percent(v)) {
1468 td->o.start_offset = 0;
1469 td->o.start_offset_percent = -1ULL - v;
872e0415
JA		 1470 dprint(FD_PARSE, "SET start_offset_percent %d\n",
1471 td->o.start_offset_percent);
89978a6b
BW		 1472 } else
1473 td->o.start_offset = v;
1474
1475 return 0;
1476}
1477
7bb59102
JA		 1478static int str_size_cb(void *data, unsigned long long *__val)
1479{
a609f12a 1480 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA		 1481 unsigned long long v = *__val;
1482
1483 if (parse_is_percent(v)) {
1484 td->o.size = 0;
1485 td->o.size_percent = -1ULL - v;
24e4321c
TK		 1486 dprint(FD_PARSE, "SET size_percent %d\n",
1487 td->o.size_percent);
7bb59102
JA		 1488 } else
1489 td->o.size = v;
1490
1491 return 0;
1492}
1493
dded427c
OS		 1494static int str_write_bw_log_cb(void *data, const char *str)
1495{
1496 struct thread_data *td = cb_data_to_td(data);
1497
1498 if (str)
1499 td->o.bw_log_file = strdup(str);
1500
1501 td->o.write_bw_log = 1;
1502 return 0;
1503}
1504
1505static int str_write_lat_log_cb(void *data, const char *str)
1506{
1507 struct thread_data *td = cb_data_to_td(data);
1508
1509 if (str)
1510 td->o.lat_log_file = strdup(str);
1511
1512 td->o.write_lat_log = 1;
1513 return 0;
1514}
1515
1516static int str_write_iops_log_cb(void *data, const char *str)
1517{
1518 struct thread_data *td = cb_data_to_td(data);
1519
1520 if (str)
1521 td->o.iops_log_file = strdup(str);
1522
1523 td->o.write_iops_log = 1;
1524 return 0;
1525}
1526
1527static int str_write_hist_log_cb(void *data, const char *str)
1528{
1529 struct thread_data *td = cb_data_to_td(data);
1530
1531 if (str)
1532 td->o.hist_log_file = strdup(str);
1533
1534 td->o.write_hist_log = 1;
1535 return 0;
1536}
1537
6730b40f
TK		 1538/*
1539 * str is supposed to be a substring of the strdup'd original string,
1540 * and is valid only if it's a regular file path.
1541 * This function keeps the pointer to the path as needed later.
1542 *
1543 * "external:/path/to/so\0" <- original pointer updated with strdup'd
1544 * "external\0" <- above pointer after parsed, i.e. ->ioengine
1545 * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
1546 */
1547static int str_ioengine_external_cb(void *data, const char *str)
1548{
1549 struct thread_data *td = cb_data_to_td(data);
1550 struct stat sb;
1551 char *p;
1552
1553 if (!str) {
1554 log_err("fio: null external ioengine path\n");
1555 return 1;
1556 }
1557
1558 p = (char *)str; /* str is mutable */
1559 strip_blank_front(&p);
1560 strip_blank_end(p);
1561
1562 if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
1563 log_err("fio: invalid external ioengine path \"%s\"\n", p);
1564 return 1;
1565 }
1566
1567 td->o.ioengine_so_path = p;
1568 return 0;
1569}
1570
9109883a 1571static int rw_verify(const struct fio_option *o, void *data)
896cac2a 1572{
a609f12a 1573 struct thread_data *td = cb_data_to_td(data);
896cac2a 1574
d81d0f99
VF		 1575 if (read_only && (td_write(td) || td_trim(td))) {
1576 log_err("fio: job <%s> has write or trim bit set, but"
1577 " fio is in read-only mode\n", td->o.name);
896cac2a
JA		 1578 return 1;
1579 }
1580
1581 return 0;
1582}
1583
9109883a 1584static int gtod_cpu_verify(const struct fio_option *o, void *data)
29d43ff9 1585{
276ca4f7 1586#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1587 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1588
29d43ff9
JA		 1589 if (td->o.gtod_cpu) {
1590 log_err("fio: platform must support CPU affinity for"
1591 "gettimeofday() offloading\n");
1592 return 1;
1593 }
1594#endif
1595
1596 return 0;
1597}
1598
214e1eca
JA		 1599/*
1600 * Map of job/command line options
1601 */
9af4a244 1602struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1603 {
1604 .name = "description",
e8b0e958 1605 .lname = "Description of job",
214e1eca 1606 .type = FIO_OPT_STR_STORE,
a609f12a 1607 .off1 = offsetof(struct thread_options, description),
214e1eca 1608 .help = "Text job description",
e8b0e958 1609 .category = FIO_OPT_C_GENERAL,
0626037e 1610 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1611 },
1612 {
1613 .name = "name",
e8b0e958 1614 .lname = "Job name",
214e1eca 1615 .type = FIO_OPT_STR_STORE,
a609f12a 1616 .off1 = offsetof(struct thread_options, name),
214e1eca 1617 .help = "Name of this job",
e8b0e958 1618 .category = FIO_OPT_C_GENERAL,
0626037e 1619 .group = FIO_OPT_G_DESC,
214e1eca 1620 },
9cc8cb91
AK		 1621 {
1622 .name = "wait_for",
1623 .lname = "Waitee name",
1624 .type = FIO_OPT_STR_STORE,
a609f12a 1625 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1626 .help = "Name of the job this one wants to wait for before starting",
1627 .category = FIO_OPT_C_GENERAL,
1628 .group = FIO_OPT_G_DESC,
1629 },
214e1eca
JA		 1630 {
1631 .name = "filename",
e8b0e958 1632 .lname = "Filename(s)",
214e1eca 1633 .type = FIO_OPT_STR_STORE,
a609f12a 1634 .off1 = offsetof(struct thread_options, filename),
214e1eca 1635 .cb = str_filename_cb,
f0d524b0 1636 .prio = -1, /* must come after "directory" */
214e1eca 1637 .help = "File(s) to use for the workload",
e8b0e958 1638 .category = FIO_OPT_C_FILE,
0626037e 1639 .group = FIO_OPT_G_FILENAME,
214e1eca 1640 },
90fef2d1 1641 {
e8b0e958
JA		 1642 .name = "directory",
1643 .lname = "Directory",
1644 .type = FIO_OPT_STR_STORE,
a609f12a 1645 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1646 .cb = str_directory_cb,
1647 .help = "Directory to store files in",
1648 .category = FIO_OPT_C_FILE,
0626037e 1649 .group = FIO_OPT_G_FILENAME,
90fef2d1 1650 },
de98bd30
JA		 1651 {
1652 .name = "filename_format",
922a5be8 1653 .lname = "Filename Format",
de98bd30 1654 .type = FIO_OPT_STR_STORE,
a609f12a 1655 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1656 .prio = -1, /* must come after "directory" */
1657 .help = "Override default $jobname.$jobnum.$filenum naming",
1658 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1659 .category = FIO_OPT_C_FILE,
1660 .group = FIO_OPT_G_FILENAME,
ad705bcb 1661 },
922a5be8
JA		 1662 {
1663 .name = "unique_filename",
1664 .lname = "Unique Filename",
1665 .type = FIO_OPT_BOOL,
a609f12a 1666 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1667 .help = "For network clients, prefix file with source IP",
1668 .def = "1",
1669 .category = FIO_OPT_C_FILE,
1670 .group = FIO_OPT_G_FILENAME,
1671 },
29c1349f
JA		 1672 {
1673 .name = "lockfile",
e8b0e958 1674 .lname = "Lockfile",
4d4e80f2 1675 .type = FIO_OPT_STR,
a609f12a 1676 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1677 .help = "Lock file when doing IO to it",
bc6a0a5d 1678 .prio = 1,
29c1349f 1679 .parent = "filename",
d71c154c 1680 .hide = 0,
4d4e80f2 1681 .def = "none",
e8b0e958 1682 .category = FIO_OPT_C_FILE,
0626037e 1683 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1684 .posval = {
1685 { .ival = "none",
1686 .oval = FILE_LOCK_NONE,
1687 .help = "No file locking",
1688 },
1689 { .ival = "exclusive",
1690 .oval = FILE_LOCK_EXCLUSIVE,
1691 .help = "Exclusive file lock",
1692 },
1693 {
1694 .ival = "readwrite",
1695 .oval = FILE_LOCK_READWRITE,
1696 .help = "Read vs write lock",
1697 },
1698 },
29c1349f 1699 },
214e1eca
JA		 1700 {
1701 .name = "opendir",
e8b0e958 1702 .lname = "Open directory",
214e1eca 1703 .type = FIO_OPT_STR_STORE,
a609f12a 1704 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1705 .cb = str_opendir_cb,
1706 .help = "Recursively add files from this directory and down",
e8b0e958 1707 .category = FIO_OPT_C_FILE,
0626037e 1708 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1709 },
1710 {
1711 .name = "rw",
e8b0e958 1712 .lname = "Read/write",
d3aad8f2 1713 .alias = "readwrite",
214e1eca 1714 .type = FIO_OPT_STR,
211097b2 1715 .cb = str_rw_cb,
a609f12a 1716 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1717 .help = "IO direction",
1718 .def = "read",
896cac2a 1719 .verify = rw_verify,
e8b0e958 1720 .category = FIO_OPT_C_IO,
0626037e 1721 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1722 .posval = {
1723 { .ival = "read",
1724 .oval = TD_DDIR_READ,
1725 .help = "Sequential read",
1726 },
1727 { .ival = "write",
1728 .oval = TD_DDIR_WRITE,
1729 .help = "Sequential write",
1730 },
6eaf09d6
SL		 1731 { .ival = "trim",
1732 .oval = TD_DDIR_TRIM,
1733 .help = "Sequential trim",
1734 },
214e1eca
JA		 1735 { .ival = "randread",
1736 .oval = TD_DDIR_RANDREAD,
1737 .help = "Random read",
1738 },
1739 { .ival = "randwrite",
1740 .oval = TD_DDIR_RANDWRITE,
1741 .help = "Random write",
1742 },
6eaf09d6
SL		 1743 { .ival = "randtrim",
1744 .oval = TD_DDIR_RANDTRIM,
1745 .help = "Random trim",
1746 },
214e1eca
JA		 1747 { .ival = "rw",
1748 .oval = TD_DDIR_RW,
1749 .help = "Sequential read and write mix",
1750 },
10b023db
JA		 1751 { .ival = "readwrite",
1752 .oval = TD_DDIR_RW,
1753 .help = "Sequential read and write mix",
1754 },
214e1eca
JA		 1755 { .ival = "randrw",
1756 .oval = TD_DDIR_RANDRW,
1757 .help = "Random read and write mix"
1758 },
82a90686
JA		 1759 { .ival = "trimwrite",
1760 .oval = TD_DDIR_TRIMWRITE,
1761 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1762 },
214e1eca
JA		 1763 },
1764 },
38dad62d
JA		 1765 {
1766 .name = "rw_sequencer",
e8b0e958 1767 .lname = "RW Sequencer",
38dad62d 1768 .type = FIO_OPT_STR,
a609f12a 1769 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1770 .help = "IO offset generator modifier",
1771 .def = "sequential",
e8b0e958 1772 .category = FIO_OPT_C_IO,
0626037e 1773 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1774 .posval = {
1775 { .ival = "sequential",
1776 .oval = RW_SEQ_SEQ,
1777 .help = "Generate sequential offsets",
1778 },
1779 { .ival = "identical",
1780 .oval = RW_SEQ_IDENT,
1781 .help = "Generate identical offsets",
1782 },
1783 },
1784 },
1785
214e1eca
JA		 1786 {
1787 .name = "ioengine",
e8b0e958 1788 .lname = "IO Engine",
214e1eca 1789 .type = FIO_OPT_STR_STORE,
a609f12a 1790 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1791 .help = "IO engine to use",
58483fa4 1792 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1793 .category = FIO_OPT_C_IO,
0626037e 1794 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1795 .posval = {
1796 { .ival = "sync",
1797 .help = "Use read/write",
1798 },
a31041ea 1799 { .ival = "psync",
1800 .help = "Use pread/pwrite",
1801 },
1d2af02a 1802 { .ival = "vsync",
03e20d68 1803 .help = "Use readv/writev",
1d2af02a 1804 },
07fc0acd
JA		 1805#ifdef CONFIG_PWRITEV
1806 { .ival = "pvsync",
1807 .help = "Use preadv/pwritev",
1808 },
1809#endif
6562685f 1810#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1811 { .ival = "pvsync2",
1812 .help = "Use preadv2/pwritev2",
1813 },
1814#endif
67bf9823 1815#ifdef CONFIG_LIBAIO
214e1eca
JA		 1816 { .ival = "libaio",
1817 .help = "Linux native asynchronous IO",
1818 },
1819#endif
67bf9823 1820#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1821 { .ival = "posixaio",
1822 .help = "POSIX asynchronous IO",
1823 },
417f0068 1824#endif
997843cb 1825#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1826 { .ival = "solarisaio",
1827 .help = "Solaris native asynchronous IO",
1828 },
214e1eca 1829#endif
4700b234 1830#ifdef CONFIG_WINDOWSAIO
03e20d68 1831 { .ival = "windowsaio",
3be80071 1832 .help = "Windows native asynchronous IO"
de890a1e 1833 },
fc5c0345
DG		 1834#endif
1835#ifdef CONFIG_RBD
1836 { .ival = "rbd",
1837 .help = "Rados Block Device asynchronous IO"
1838 },
3be80071 1839#endif
214e1eca 1840 { .ival = "mmap",
03e20d68 1841 .help = "Memory mapped IO"
214e1eca 1842 },
67bf9823 1843#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1844 { .ival = "splice",
1845 .help = "splice/vmsplice based IO",
1846 },
9cce02e8
JA		 1847 { .ival = "netsplice",
1848 .help = "splice/vmsplice to/from the network",
1849 },
214e1eca
JA		 1850#endif
1851#ifdef FIO_HAVE_SGIO
1852 { .ival = "sg",
1853 .help = "SCSI generic v3 IO",
1854 },
1855#endif
1856 { .ival = "null",
1857 .help = "Testing engine (no data transfer)",
1858 },
1859 { .ival = "net",
1860 .help = "Network IO",
1861 },
214e1eca 1862 { .ival = "cpuio",
03e20d68 1863 .help = "CPU cycle burner engine",
214e1eca 1864 },
67bf9823 1865#ifdef CONFIG_GUASI
b8c82a46
JA		 1866 { .ival = "guasi",
1867 .help = "GUASI IO engine",
1868 },
79a43187 1869#endif
67bf9823 1870#ifdef CONFIG_RDMA
21b8aee8 1871 { .ival = "rdma",
1872 .help = "RDMA IO engine",
1873 },
8200b8c7 1874#endif
67bf9823 1875#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1876 { .ival = "fusion-aw-sync",
1877 .help = "Fusion-io atomic write engine",
1878 },
1ecc95ca 1879#endif
997843cb 1880#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1881 { .ival = "e4defrag",
1882 .help = "ext4 defrag engine",
1883 },
1884#endif
997843cb 1885#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1886 { .ival = "falloc",
1887 .help = "fallocate() file based engine",
1888 },
b8c82a46 1889#endif
a7c386f4 1890#ifdef CONFIG_GFAPI
1891 { .ival = "gfapi",
cc47f094 1892 .help = "Glusterfs libgfapi(sync) based engine"
1893 },
1894 { .ival = "gfapi_async",
1895 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1896 },
1897#endif
1b10477b 1898#ifdef CONFIG_LIBHDFS
b74e419e 1899 { .ival = "libhdfs",
1b10477b
MM		 1900 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1901 },
5c4ef02e
JA		 1902#endif
1903#ifdef CONFIG_PMEMBLK
1904 { .ival = "pmemblk",
363a5f65 1905 .help = "PMDK libpmemblk based IO engine",
5c4ef02e
JA		 1906 },
1907
104ee4de
DJ		 1908#endif
1909#ifdef CONFIG_LINUX_DEVDAX
1910 { .ival = "dev-dax",
1911 .help = "DAX Device based IO engine",
1912 },
1b10477b 1913#endif
edc5fa12
JA		 1914 {
1915 .ival = "filecreate",
1916 .help = "File creation engine",
1917 },
214e1eca
JA		 1918 { .ival = "external",
1919 .help = "Load external engine (append name)",
6730b40f 1920 .cb = str_ioengine_external_cb,
214e1eca 1921 },
ae0db592
TI		 1922#ifdef CONFIG_LIBPMEM
1923 { .ival = "libpmem",
363a5f65 1924 .help = "PMDK libpmem based IO engine",
ae0db592
TI		 1925 },
1926#endif
214e1eca
JA		 1927 },
1928 },
1929 {
1930 .name = "iodepth",
e8b0e958 1931 .lname = "IO Depth",
214e1eca 1932 .type = FIO_OPT_INT,
a609f12a 1933 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1934 .help = "Number of IO buffers to keep in flight",
757aff4f 1935 .minval = 1,
20eb06bd 1936 .interval = 1,
214e1eca 1937 .def = "1",
e8b0e958 1938 .category = FIO_OPT_C_IO,
0626037e 1939 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1940 },
1941 {
1942 .name = "iodepth_batch",
e8b0e958 1943 .lname = "IO Depth batch",
4950421a 1944 .alias = "iodepth_batch_submit",
214e1eca 1945 .type = FIO_OPT_INT,
a609f12a 1946 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1947 .help = "Number of IO buffers to submit in one go",
afdf9352 1948 .parent = "iodepth",
d71c154c 1949 .hide = 1,
20eb06bd 1950 .interval = 1,
a2e6f8ac 1951 .def = "1",
e8b0e958 1952 .category = FIO_OPT_C_IO,
0626037e 1953 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1954 },
1955 {
82407585
RP		 1956 .name = "iodepth_batch_complete_min",
1957 .lname = "Min IO depth batch complete",
1958 .alias = "iodepth_batch_complete",
4950421a 1959 .type = FIO_OPT_INT,
a609f12a 1960 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1961 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1962 .parent = "iodepth",
d71c154c 1963 .hide = 1,
4950421a 1964 .minval = 0,
20eb06bd 1965 .interval = 1,
4950421a 1966 .def = "1",
e8b0e958 1967 .category = FIO_OPT_C_IO,
0626037e 1968 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1969 },
82407585
RP		 1970 {
1971 .name = "iodepth_batch_complete_max",
1972 .lname = "Max IO depth batch complete",
1973 .type = FIO_OPT_INT,
a609f12a 1974 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1975 .help = "Max number of IO buffers to retrieve in one go",
1976 .parent = "iodepth",
1977 .hide = 1,
1978 .minval = 0,
1979 .interval = 1,
1980 .category = FIO_OPT_C_IO,
1981 .group = FIO_OPT_G_IO_BASIC,
1982 },
214e1eca
JA		 1983 {
1984 .name = "iodepth_low",
e8b0e958 1985 .lname = "IO Depth batch low",
214e1eca 1986 .type = FIO_OPT_INT,
a609f12a 1987 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1988 .help = "Low water mark for queuing depth",
afdf9352 1989 .parent = "iodepth",
d71c154c 1990 .hide = 1,
20eb06bd 1991 .interval = 1,
e8b0e958 1992 .category = FIO_OPT_C_IO,
0626037e 1993 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1994 },
997b5680
SW		 1995 {
1996 .name = "serialize_overlap",
1997 .lname = "Serialize overlap",
1998 .off1 = offsetof(struct thread_options, serialize_overlap),
1999 .type = FIO_OPT_BOOL,
2000 .help = "Wait for in-flight IOs that collide to complete",
2001 .parent = "iodepth",
2002 .def = "0",
2003 .category = FIO_OPT_C_IO,
2004 .group = FIO_OPT_G_IO_BASIC,
2005 },
a9da8ab2
JA		 2006 {
2007 .name = "io_submit_mode",
2008 .lname = "IO submit mode",
2009 .type = FIO_OPT_STR,
a609f12a 2010 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 2011 .help = "How IO submissions and completions are done",
2012 .def = "inline",
2013 .category = FIO_OPT_C_IO,
2014 .group = FIO_OPT_G_IO_BASIC,
2015 .posval = {
2016 { .ival = "inline",
2017 .oval = IO_MODE_INLINE,
2018 .help = "Submit and complete IO inline",
2019 },
2020 { .ival = "offload",
2021 .oval = IO_MODE_OFFLOAD,
2022 .help = "Offload submit and complete to threads",
2023 },
2024 },
2025 },
214e1eca
JA		 2026 {
2027 .name = "size",
e8b0e958 2028 .lname = "Size",
214e1eca 2029 .type = FIO_OPT_STR_VAL,
7bb59102 2030 .cb = str_size_cb,
a609f12a 2031 .off1 = offsetof(struct thread_options, size),
214e1eca 2032 .help = "Total size of device or files",
20eb06bd 2033 .interval = 1024 * 1024,
e8b0e958
JA		 2034 .category = FIO_OPT_C_IO,
2035 .group = FIO_OPT_G_INVALID,
214e1eca 2036 },
77731b29 2037 {
a4d3b4db
JA		 2038 .name = "io_size",
2039 .alias = "io_limit",
2040 .lname = "IO Size",
77731b29 2041 .type = FIO_OPT_STR_VAL,
5be9bf09 2042 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 2043 .help = "Total size of I/O to be performed",
77731b29
JA		 2044 .interval = 1024 * 1024,
2045 .category = FIO_OPT_C_IO,
2046 .group = FIO_OPT_G_INVALID,
2047 },
aa31f1f1
SL		 2048 {
2049 .name = "fill_device",
e8b0e958 2050 .lname = "Fill device",
74586c1e 2051 .alias = "fill_fs",
aa31f1f1 2052 .type = FIO_OPT_BOOL,
a609f12a 2053 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 2054 .help = "Write until an ENOSPC error occurs",
2055 .def = "0",
e8b0e958
JA		 2056 .category = FIO_OPT_C_FILE,
2057 .group = FIO_OPT_G_INVALID,
aa31f1f1 2058 },
214e1eca
JA		 2059 {
2060 .name = "filesize",
e8b0e958 2061 .lname = "File size",
214e1eca 2062 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 2063 .off1 = offsetof(struct thread_options, file_size_low),
2064 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 2065 .minval = 1,
214e1eca 2066 .help = "Size of individual files",
20eb06bd 2067 .interval = 1024 * 1024,
e8b0e958
JA		 2068 .category = FIO_OPT_C_FILE,
2069 .group = FIO_OPT_G_INVALID,
214e1eca 2070 },
bedc9dc2
JA		 2071 {
2072 .name = "file_append",
2073 .lname = "File append",
2074 .type = FIO_OPT_BOOL,
a609f12a 2075 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 2076 .help = "IO will start at the end of the file(s)",
2077 .def = "0",
2078 .category = FIO_OPT_C_FILE,
2079 .group = FIO_OPT_G_INVALID,
2080 },
67a1000f
JA		 2081 {
2082 .name = "offset",
e8b0e958 2083 .lname = "IO offset",
67a1000f
JA		 2084 .alias = "fileoffset",
2085 .type = FIO_OPT_STR_VAL,
89978a6b 2086 .cb = str_offset_cb,
a609f12a 2087 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 2088 .help = "Start IO from this offset",
2089 .def = "0",
20eb06bd 2090 .interval = 1024 * 1024,
e8b0e958
JA		 2091 .category = FIO_OPT_C_IO,
2092 .group = FIO_OPT_G_INVALID,
67a1000f 2093 },
83c8b093
JF		 2094 {
2095 .name = "offset_align",
2096 .lname = "IO offset alignment",
2097 .type = FIO_OPT_INT,
2098 .off1 = offsetof(struct thread_options, start_offset_align),
2099 .help = "Start IO from this offset alignment",
2100 .def = "0",
2101 .interval = 512,
2102 .category = FIO_OPT_C_IO,
2103 .group = FIO_OPT_G_INVALID,
2104 },
2d7cd868
JA		 2105 {
2106 .name = "offset_increment",
e8b0e958 2107 .lname = "IO offset increment",
2d7cd868 2108 .type = FIO_OPT_STR_VAL,
a609f12a 2109 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 2110 .help = "What is the increment from one offset to the next",
2111 .parent = "offset",
d71c154c 2112 .hide = 1,
2d7cd868 2113 .def = "0",
20eb06bd 2114 .interval = 1024 * 1024,
e8b0e958
JA		 2115 .category = FIO_OPT_C_IO,
2116 .group = FIO_OPT_G_INVALID,
2d7cd868 2117 },
ddf24e42
JA		 2118 {
2119 .name = "number_ios",
2120 .lname = "Number of IOs to perform",
2121 .type = FIO_OPT_STR_VAL,
a609f12a 2122 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2123 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 2124 .def = "0",
2125 .category = FIO_OPT_C_IO,
2126 .group = FIO_OPT_G_INVALID,
2127 },
214e1eca
JA		 2128 {
2129 .name = "bs",
e8b0e958 2130 .lname = "Block size",
d3aad8f2 2131 .alias = "blocksize",
5fff9543 2132 .type = FIO_OPT_ULL,
a609f12a
JA		 2133 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2134 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2135 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2136 .minval = 1,
214e1eca 2137 .help = "Block size unit",
2b9136a3 2138 .def = "4096",
67a1000f 2139 .parent = "rw",
d71c154c 2140 .hide = 1,
20eb06bd 2141 .interval = 512,
e8b0e958
JA		 2142 .category = FIO_OPT_C_IO,
2143 .group = FIO_OPT_G_INVALID,
214e1eca 2144 },
2b7a01d0
JA		 2145 {
2146 .name = "ba",
e8b0e958 2147 .lname = "Block size align",
2b7a01d0 2148 .alias = "blockalign",
5fff9543 2149 .type = FIO_OPT_ULL,
a609f12a
JA		 2150 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2151 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2152 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2153 .minval = 1,
2154 .help = "IO block offset alignment",
2155 .parent = "rw",
d71c154c 2156 .hide = 1,
20eb06bd 2157 .interval = 512,
e8b0e958
JA		 2158 .category = FIO_OPT_C_IO,
2159 .group = FIO_OPT_G_INVALID,
2b7a01d0 2160 },
214e1eca
JA		 2161 {
2162 .name = "bsrange",
e8b0e958 2163 .lname = "Block size range",
d3aad8f2 2164 .alias = "blocksize_range",
214e1eca 2165 .type = FIO_OPT_RANGE,
a609f12a
JA		 2166 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2167 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2168 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2169 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2170 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2171 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2172 .minval = 1,
214e1eca 2173 .help = "Set block size range (in more detail than bs)",
67a1000f 2174 .parent = "rw",
d71c154c 2175 .hide = 1,
20eb06bd 2176 .interval = 4096,
e8b0e958
JA		 2177 .category = FIO_OPT_C_IO,
2178 .group = FIO_OPT_G_INVALID,
214e1eca 2179 },
564ca972
JA		 2180 {
2181 .name = "bssplit",
e8b0e958 2182 .lname = "Block size split",
5fff9543 2183 .type = FIO_OPT_STR_ULL,
564ca972 2184 .cb = str_bssplit_cb,
a609f12a 2185 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2186 .help = "Set a specific mix of block sizes",
2187 .parent = "rw",
d71c154c 2188 .hide = 1,
e8b0e958
JA		 2189 .category = FIO_OPT_C_IO,
2190 .group = FIO_OPT_G_INVALID,
564ca972 2191 },
214e1eca
JA		 2192 {
2193 .name = "bs_unaligned",
e8b0e958 2194 .lname = "Block size unaligned",
d3aad8f2 2195 .alias = "blocksize_unaligned",
214e1eca 2196 .type = FIO_OPT_STR_SET,
a609f12a 2197 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2198 .help = "Don't sector align IO buffer sizes",
67a1000f 2199 .parent = "rw",
d71c154c 2200 .hide = 1,
e8b0e958
JA		 2201 .category = FIO_OPT_C_IO,
2202 .group = FIO_OPT_G_INVALID,
214e1eca 2203 },
6aca9b3d
JA		 2204 {
2205 .name = "bs_is_seq_rand",
2206 .lname = "Block size division is seq/random (not read/write)",
2207 .type = FIO_OPT_BOOL,
a609f12a 2208 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2209 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2210 .def = "0",
2211 .parent = "blocksize",
2212 .category = FIO_OPT_C_IO,
2213 .group = FIO_OPT_G_INVALID,
2214 },
214e1eca
JA		 2215 {
2216 .name = "randrepeat",
e8b0e958 2217 .lname = "Random repeatable",
214e1eca 2218 .type = FIO_OPT_BOOL,
a609f12a 2219 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2220 .help = "Use repeatable random IO pattern",
2221 .def = "1",
67a1000f 2222 .parent = "rw",
d71c154c 2223 .hide = 1,
e8b0e958 2224 .category = FIO_OPT_C_IO,
3ceb458f 2225 .group = FIO_OPT_G_RANDOM,
214e1eca 2226 },
04778baf
JA		 2227 {
2228 .name = "randseed",
2229 .lname = "The random generator seed",
363cffa7 2230 .type = FIO_OPT_STR_VAL,
a609f12a 2231 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2232 .help = "Set the random generator seed value",
40fe5e7b 2233 .def = "0x89",
04778baf
JA		 2234 .parent = "rw",
2235 .category = FIO_OPT_C_IO,
2236 .group = FIO_OPT_G_RANDOM,
2237 },
2615cc4b
JA		 2238 {
2239 .name = "use_os_rand",
e8b0e958 2240 .lname = "Use OS random",
54a21917 2241 .type = FIO_OPT_DEPRECATED,
a609f12a 2242 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2243 .category = FIO_OPT_C_IO,
3ceb458f 2244 .group = FIO_OPT_G_RANDOM,
2615cc4b 2245 },
214e1eca
JA		 2246 {
2247 .name = "norandommap",
e8b0e958 2248 .lname = "No randommap",
214e1eca 2249 .type = FIO_OPT_STR_SET,
a609f12a 2250 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2251 .help = "Accept potential duplicate random blocks",
67a1000f 2252 .parent = "rw",
d71c154c 2253 .hide = 1,
b2452a43 2254 .hide_on_set = 1,
e8b0e958 2255 .category = FIO_OPT_C_IO,
3ceb458f 2256 .group = FIO_OPT_G_RANDOM,
214e1eca 2257 },
2b386d25
JA		 2258 {
2259 .name = "softrandommap",
e8b0e958 2260 .lname = "Soft randommap",
2b386d25 2261 .type = FIO_OPT_BOOL,
a609f12a 2262 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2263 .help = "Set norandommap if randommap allocation fails",
2b386d25 2264 .parent = "norandommap",
d71c154c 2265 .hide = 1,
2b386d25 2266 .def = "0",
e8b0e958 2267 .category = FIO_OPT_C_IO,
3ceb458f 2268 .group = FIO_OPT_G_RANDOM,
2b386d25 2269 },
8055e41d
JA		 2270 {
2271 .name = "random_generator",
cce2fdfe 2272 .lname = "Random Generator",
8055e41d 2273 .type = FIO_OPT_STR,
a609f12a 2274 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2275 .help = "Type of random number generator to use",
2276 .def = "tausworthe",
2277 .posval = {
2278 { .ival = "tausworthe",
2279 .oval = FIO_RAND_GEN_TAUSWORTHE,
2280 .help = "Strong Tausworthe generator",
2281 },
2282 { .ival = "lfsr",
2283 .oval = FIO_RAND_GEN_LFSR,
2284 .help = "Variable length LFSR",
2285 },
c3546b53
JA		 2286 {
2287 .ival = "tausworthe64",
2288 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2289 .help = "64-bit Tausworthe variant",
2290 },
8055e41d 2291 },
48107598
JA		 2292 .category = FIO_OPT_C_IO,
2293 .group = FIO_OPT_G_RANDOM,
8055e41d 2294 },
e25839d4
JA		 2295 {
2296 .name = "random_distribution",
cce2fdfe 2297 .lname = "Random Distribution",
e25839d4 2298 .type = FIO_OPT_STR,
a609f12a 2299 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2300 .cb = str_random_distribution_cb,
2301 .help = "Random offset distribution generator",
2302 .def = "random",
2303 .posval = {
2304 { .ival = "random",
2305 .oval = FIO_RAND_DIST_RANDOM,
2306 .help = "Completely random",
2307 },
2308 { .ival = "zipf",
2309 .oval = FIO_RAND_DIST_ZIPF,
2310 .help = "Zipf distribution",
2311 },
925fee33
JA		 2312 { .ival = "pareto",
2313 .oval = FIO_RAND_DIST_PARETO,
2314 .help = "Pareto distribution",
2315 },
56d9fa4b
JA		 2316 { .ival = "normal",
2317 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2318 .help = "Normal (Gaussian) distribution",
56d9fa4b 2319 },
e0a04ac1
JA		 2320 { .ival = "zoned",
2321 .oval = FIO_RAND_DIST_ZONED,
2322 .help = "Zoned random distribution",
2323 },
59466396
JA		 2324 { .ival = "zoned_abs",
2325 .oval = FIO_RAND_DIST_ZONED_ABS,
2326 .help = "Zoned absolute random distribution",
2327 },
e25839d4 2328 },
48107598
JA		 2329 .category = FIO_OPT_C_IO,
2330 .group = FIO_OPT_G_RANDOM,
e25839d4 2331 },
211c9b89
JA		 2332 {
2333 .name = "percentage_random",
2334 .lname = "Percentage Random",
2335 .type = FIO_OPT_INT,
a609f12a
JA		 2336 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2337 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2338 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2339 .maxval = 100,
2340 .help = "Percentage of seq/random mix that should be random",
d9472271 2341 .def = "100,100,100",
211c9b89
JA		 2342 .interval = 5,
2343 .inverse = "percentage_sequential",
2344 .category = FIO_OPT_C_IO,
2345 .group = FIO_OPT_G_RANDOM,
2346 },
2347 {
2348 .name = "percentage_sequential",
2349 .lname = "Percentage Sequential",
d9472271 2350 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2351 .category = FIO_OPT_C_IO,
2352 .group = FIO_OPT_G_RANDOM,
2353 },
56e2a5fc
CE		 2354 {
2355 .name = "allrandrepeat",
cce2fdfe 2356 .lname = "All Random Repeat",
56e2a5fc 2357 .type = FIO_OPT_BOOL,
a609f12a 2358 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2359 .help = "Use repeatable random numbers for everything",
2360 .def = "0",
a869d9c6
JA		 2361 .category = FIO_OPT_C_IO,
2362 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2363 },
214e1eca
JA		 2364 {
2365 .name = "nrfiles",
e8b0e958 2366 .lname = "Number of files",
d7c8be03 2367 .alias = "nr_files",
214e1eca 2368 .type = FIO_OPT_INT,
a609f12a 2369 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2370 .help = "Split job workload between this number of files",
2371 .def = "1",
20eb06bd 2372 .interval = 1,
e8b0e958
JA		 2373 .category = FIO_OPT_C_FILE,
2374 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2375 },
2376 {
2377 .name = "openfiles",
e8b0e958 2378 .lname = "Number of open files",
214e1eca 2379 .type = FIO_OPT_INT,
a609f12a 2380 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2381 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2382 .category = FIO_OPT_C_FILE,
2383 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2384 },
2385 {
2386 .name = "file_service_type",
e8b0e958 2387 .lname = "File service type",
214e1eca
JA		 2388 .type = FIO_OPT_STR,
2389 .cb = str_fst_cb,
a609f12a 2390 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2391 .help = "How to select which file to service next",
2392 .def = "roundrobin",
e8b0e958
JA		 2393 .category = FIO_OPT_C_FILE,
2394 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2395 .posval = {
2396 { .ival = "random",
2397 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2398 .help = "Choose a file at random (uniform)",
2399 },
2400 { .ival = "zipf",
2401 .oval = FIO_FSERVICE_ZIPF,
2402 .help = "Zipf randomized",
2403 },
2404 { .ival = "pareto",
2405 .oval = FIO_FSERVICE_PARETO,
2406 .help = "Pareto randomized",
2407 },
dd3503d3
SW		 2408 { .ival = "normal",
2409 .oval = FIO_FSERVICE_GAUSS,
2410 .help = "Normal (Gaussian) randomized",
2411 },
8c07860d
JA		 2412 { .ival = "gauss",
2413 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2414 .help = "Alias for normal",
214e1eca
JA		 2415 },
2416 { .ival = "roundrobin",
2417 .oval = FIO_FSERVICE_RR,
2418 .help = "Round robin select files",
2419 },
a086c257
JA		 2420 { .ival = "sequential",
2421 .oval = FIO_FSERVICE_SEQ,
2422 .help = "Finish one file before moving to the next",
2423 },
214e1eca 2424 },
67a1000f 2425 .parent = "nrfiles",
d71c154c 2426 .hide = 1,
67a1000f 2427 },
cbbdf1c8 2428#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA		 2429 {
2430 .name = "fallocate",
e8b0e958 2431 .lname = "Fallocate",
a596f047 2432 .type = FIO_OPT_STR,
a609f12a 2433 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2434 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2435 .def = "native",
e8b0e958
JA		 2436 .category = FIO_OPT_C_FILE,
2437 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2438 .posval = {
2439 { .ival = "none",
2440 .oval = FIO_FALLOCATE_NONE,
2441 .help = "Do not pre-allocate space",
2442 },
2c3e17be
SW		 2443 { .ival = "native",
2444 .oval = FIO_FALLOCATE_NATIVE,
2445 .help = "Use native pre-allocation if possible",
2446 },
2447#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2448 { .ival = "posix",
2449 .oval = FIO_FALLOCATE_POSIX,
2450 .help = "Use posix_fallocate()",
2451 },
2c3e17be 2452#endif
97ac992c 2453#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2454 { .ival = "keep",
2455 .oval = FIO_FALLOCATE_KEEP_SIZE,
2456 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2457 },
7bc8c2cf 2458#endif
a596f047
EG		 2459 /* Compatibility with former boolean values */
2460 { .ival = "0",
2461 .oval = FIO_FALLOCATE_NONE,
2462 .help = "Alias for 'none'",
2463 },
2c3e17be 2464#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2465 { .ival = "1",
2466 .oval = FIO_FALLOCATE_POSIX,
2467 .help = "Alias for 'posix'",
2468 },
2c3e17be 2469#endif
a596f047
EG		 2470 },
2471 },
cbbdf1c8 2472#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA		 2473 {
2474 .name = "fallocate",
2475 .lname = "Fallocate",
2476 .type = FIO_OPT_UNSUPPORTED,
2477 .help = "Your platform does not support fallocate",
2478 },
cbbdf1c8 2479#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA		 2480 {
2481 .name = "fadvise_hint",
e8b0e958 2482 .lname = "Fadvise hint",
ecb2083d 2483 .type = FIO_OPT_STR,
a609f12a 2484 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2485 .posval = {
2486 { .ival = "0",
2487 .oval = F_ADV_NONE,
c712c97a 2488 .help = "Don't issue fadvise/madvise",
ecb2083d
JA		 2489 },
2490 { .ival = "1",
2491 .oval = F_ADV_TYPE,
2492 .help = "Advise using fio IO pattern",
2493 },
2494 { .ival = "random",
2495 .oval = F_ADV_RANDOM,
2496 .help = "Advise using FADV_RANDOM",
2497 },
2498 { .ival = "sequential",
2499 .oval = F_ADV_SEQUENTIAL,
2500 .help = "Advise using FADV_SEQUENTIAL",
2501 },
2502 },
67a1000f
JA		 2503 .help = "Use fadvise() to advise the kernel on IO pattern",
2504 .def = "1",
e8b0e958
JA		 2505 .category = FIO_OPT_C_FILE,
2506 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2507 },
2508 {
2509 .name = "fsync",
e8b0e958 2510 .lname = "Fsync",
214e1eca 2511 .type = FIO_OPT_INT,
a609f12a 2512 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2513 .help = "Issue fsync for writes every given number of blocks",
2514 .def = "0",
20eb06bd 2515 .interval = 1,
e8b0e958
JA		 2516 .category = FIO_OPT_C_FILE,
2517 .group = FIO_OPT_G_INVALID,
214e1eca 2518 },
5f9099ea
JA		 2519 {
2520 .name = "fdatasync",
e8b0e958 2521 .lname = "Fdatasync",
5f9099ea 2522 .type = FIO_OPT_INT,
a609f12a 2523 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2524 .help = "Issue fdatasync for writes every given number of blocks",
2525 .def = "0",
20eb06bd 2526 .interval = 1,
e8b0e958
JA		 2527 .category = FIO_OPT_C_FILE,
2528 .group = FIO_OPT_G_INVALID,
5f9099ea 2529 },
1ef2b6be
JA		 2530 {
2531 .name = "write_barrier",
e8b0e958 2532 .lname = "Write barrier",
1ef2b6be 2533 .type = FIO_OPT_INT,
a609f12a 2534 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2535 .help = "Make every Nth write a barrier write",
2536 .def = "0",
20eb06bd 2537 .interval = 1,
e8b0e958
JA		 2538 .category = FIO_OPT_C_IO,
2539 .group = FIO_OPT_G_INVALID,
1ef2b6be 2540 },
67bf9823 2541#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2542 {
2543 .name = "sync_file_range",
e8b0e958 2544 .lname = "Sync file range",
44f29692
JA		 2545 .posval = {
2546 { .ival = "wait_before",
2547 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2548 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2549 .orval = 1,
44f29692
JA		 2550 },
2551 { .ival = "write",
2552 .oval = SYNC_FILE_RANGE_WRITE,
2553 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2554 .orval = 1,
44f29692
JA		 2555 },
2556 {
2557 .ival = "wait_after",
2558 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2559 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2560 .orval = 1,
44f29692
JA		 2561 },
2562 },
3843deb3 2563 .type = FIO_OPT_STR_MULTI,
44f29692 2564 .cb = str_sfr_cb,
a609f12a 2565 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2566 .help = "Use sync_file_range()",
e8b0e958
JA		 2567 .category = FIO_OPT_C_FILE,
2568 .group = FIO_OPT_G_INVALID,
44f29692 2569 },
a275c37a 2570#else
54d0a315 2571 {
a275c37a
JA		 2572 .name = "sync_file_range",
2573 .lname = "Sync file range",
2574 .type = FIO_OPT_UNSUPPORTED,
2575 .help = "Your platform does not support sync_file_range",
2576 },
44f29692 2577#endif
214e1eca
JA		 2578 {
2579 .name = "direct",
e8b0e958 2580 .lname = "Direct I/O",
214e1eca 2581 .type = FIO_OPT_BOOL,
a609f12a 2582 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2583 .help = "Use O_DIRECT IO (negates buffered)",
2584 .def = "0",
a01a1bc5 2585 .inverse = "buffered",
e8b0e958 2586 .category = FIO_OPT_C_IO,
3ceb458f 2587 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2588 },
d01612f3
CM		 2589 {
2590 .name = "atomic",
2591 .lname = "Atomic I/O",
2592 .type = FIO_OPT_BOOL,
a609f12a 2593 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2594 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2595 .def = "0",
2596 .category = FIO_OPT_C_IO,
2597 .group = FIO_OPT_G_IO_TYPE,
2598 },
214e1eca
JA		 2599 {
2600 .name = "buffered",
e8b0e958 2601 .lname = "Buffered I/O",
214e1eca 2602 .type = FIO_OPT_BOOL,
a609f12a 2603 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2604 .neg = 1,
2605 .help = "Use buffered IO (negates direct)",
2606 .def = "1",
a01a1bc5 2607 .inverse = "direct",
e8b0e958 2608 .category = FIO_OPT_C_IO,
3ceb458f 2609 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2610 },
2611 {
2612 .name = "overwrite",
e8b0e958 2613 .lname = "Overwrite",
214e1eca 2614 .type = FIO_OPT_BOOL,
a609f12a 2615 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2616 .help = "When writing, set whether to overwrite current data",
2617 .def = "0",
e8b0e958
JA		 2618 .category = FIO_OPT_C_FILE,
2619 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2620 },
2621 {
2622 .name = "loops",
e8b0e958 2623 .lname = "Loops",
214e1eca 2624 .type = FIO_OPT_INT,
a609f12a 2625 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2626 .help = "Number of times to run the job",
2627 .def = "1",
20eb06bd 2628 .interval = 1,
e8b0e958 2629 .category = FIO_OPT_C_GENERAL,
a1f6afec 2630 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2631 },
2632 {
2633 .name = "numjobs",
e8b0e958 2634 .lname = "Number of jobs",
214e1eca 2635 .type = FIO_OPT_INT,
a609f12a 2636 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2637 .help = "Duplicate this job this many times",
2638 .def = "1",
20eb06bd 2639 .interval = 1,
e8b0e958 2640 .category = FIO_OPT_C_GENERAL,
a1f6afec 2641 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2642 },
2643 {
2644 .name = "startdelay",
e8b0e958 2645 .lname = "Start delay",
a5737c93 2646 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2647 .off1 = offsetof(struct thread_options, start_delay),
2648 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2649 .help = "Only start job when this period has passed",
2650 .def = "0",
0de5b26f 2651 .is_seconds = 1,
88038bc7 2652 .is_time = 1,
e8b0e958 2653 .category = FIO_OPT_C_GENERAL,
a1f6afec 2654 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2655 },
2656 {
2657 .name = "runtime",
e8b0e958 2658 .lname = "Runtime",
214e1eca
JA		 2659 .alias = "timeout",
2660 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2661 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2662 .help = "Stop workload when this amount of time has passed",
2663 .def = "0",
0de5b26f 2664 .is_seconds = 1,
88038bc7 2665 .is_time = 1,
e8b0e958 2666 .category = FIO_OPT_C_GENERAL,
a1f6afec 2667 .group = FIO_OPT_G_RUNTIME,
214e1eca 2668 },
cf4464ca
JA		 2669 {
2670 .name = "time_based",
e8b0e958 2671 .lname = "Time based",
cf4464ca 2672 .type = FIO_OPT_STR_SET,
a609f12a 2673 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2674 .help = "Keep running until runtime/timeout is met",
e8b0e958 2675 .category = FIO_OPT_C_GENERAL,
a1f6afec 2676 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2677 },
62167762
JC		 2678 {
2679 .name = "verify_only",
2680 .lname = "Verify only",
2681 .type = FIO_OPT_STR_SET,
a609f12a 2682 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2683 .help = "Verifies previously written data is still valid",
2684 .category = FIO_OPT_C_GENERAL,
2685 .group = FIO_OPT_G_RUNTIME,
2686 },
721938ae
JA		 2687 {
2688 .name = "ramp_time",
e8b0e958 2689 .lname = "Ramp time",
721938ae 2690 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2691 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2692 .help = "Ramp up time before measuring performance",
0de5b26f 2693 .is_seconds = 1,
88038bc7 2694 .is_time = 1,
e8b0e958 2695 .category = FIO_OPT_C_GENERAL,
a1f6afec 2696 .group = FIO_OPT_G_RUNTIME,
721938ae 2697 },
c223da83
JA		 2698 {
2699 .name = "clocksource",
e8b0e958 2700 .lname = "Clock source",
c223da83
JA		 2701 .type = FIO_OPT_STR,
2702 .cb = fio_clock_source_cb,
a609f12a 2703 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2704 .help = "What type of timing source to use",
e8b0e958 2705 .category = FIO_OPT_C_GENERAL,
10860056 2706 .group = FIO_OPT_G_CLOCK,
c223da83 2707 .posval = {
67bf9823 2708#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2709 { .ival = "gettimeofday",
2710 .oval = CS_GTOD,
2711 .help = "Use gettimeofday(2) for timing",
2712 },
67bf9823
JA		 2713#endif
2714#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2715 { .ival = "clock_gettime",
2716 .oval = CS_CGETTIME,
2717 .help = "Use clock_gettime(2) for timing",
2718 },
67bf9823 2719#endif
c223da83
JA		 2720#ifdef ARCH_HAVE_CPU_CLOCK
2721 { .ival = "cpu",
2722 .oval = CS_CPUCLOCK,
2723 .help = "Use CPU private clock",
2724 },
2725#endif
2726 },
2727 },
214e1eca
JA		 2728 {
2729 .name = "mem",
d3aad8f2 2730 .alias = "iomem",
e8b0e958 2731 .lname = "I/O Memory",
214e1eca
JA		 2732 .type = FIO_OPT_STR,
2733 .cb = str_mem_cb,
a609f12a 2734 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2735 .help = "Backing type for IO buffers",
2736 .def = "malloc",
e8b0e958
JA		 2737 .category = FIO_OPT_C_IO,
2738 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2739 .posval = {
2740 { .ival = "malloc",
2741 .oval = MEM_MALLOC,
2742 .help = "Use malloc(3) for IO buffers",
2743 },
c8931876 2744#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2745 { .ival = "shm",
2746 .oval = MEM_SHM,
2747 .help = "Use shared memory segments for IO buffers",
2748 },
214e1eca
JA		 2749#ifdef FIO_HAVE_HUGETLB
2750 { .ival = "shmhuge",
2751 .oval = MEM_SHMHUGE,
2752 .help = "Like shm, but use huge pages",
2753 },
c8931876 2754#endif
b370e46a 2755#endif
37c8cdfe
JA		 2756 { .ival = "mmap",
2757 .oval = MEM_MMAP,
2758 .help = "Use mmap(2) (file or anon) for IO buffers",
2759 },
217b0f1d
LG		 2760 { .ival = "mmapshared",
2761 .oval = MEM_MMAPSHARED,
2762 .help = "Like mmap, but use the shared flag",
2763 },
214e1eca
JA		 2764#ifdef FIO_HAVE_HUGETLB
2765 { .ival = "mmaphuge",
2766 .oval = MEM_MMAPHUGE,
2767 .help = "Like mmap, but use huge pages",
2768 },
03553853
YR		 2769#endif
2770#ifdef CONFIG_CUDA
2771 { .ival = "cudamalloc",
2772 .oval = MEM_CUDA_MALLOC,
2773 .help = "Allocate GPU device memory for GPUDirect RDMA",
2774 },
214e1eca
JA		 2775#endif
2776 },
2777 },
d529ee19
JA		 2778 {
2779 .name = "iomem_align",
2780 .alias = "mem_align",
e8b0e958 2781 .lname = "I/O memory alignment",
d529ee19 2782 .type = FIO_OPT_INT,
a609f12a 2783 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2784 .minval = 0,
2785 .help = "IO memory buffer offset alignment",
2786 .def = "0",
2787 .parent = "iomem",
d71c154c 2788 .hide = 1,
e8b0e958
JA		 2789 .category = FIO_OPT_C_IO,
2790 .group = FIO_OPT_G_INVALID,
d529ee19 2791 },
214e1eca
JA		 2792 {
2793 .name = "verify",
e8b0e958 2794 .lname = "Verify",
214e1eca 2795 .type = FIO_OPT_STR,
a609f12a 2796 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2797 .help = "Verify data written",
2798 .def = "0",
e8b0e958 2799 .category = FIO_OPT_C_IO,
3ceb458f 2800 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2801 .posval = {
2802 { .ival = "0",
2803 .oval = VERIFY_NONE,
2804 .help = "Don't do IO verification",
2805 },
fcca4b58
JA		 2806 { .ival = "md5",
2807 .oval = VERIFY_MD5,
2808 .help = "Use md5 checksums for verification",
2809 },
d77a7af3
JA		 2810 { .ival = "crc64",
2811 .oval = VERIFY_CRC64,
2812 .help = "Use crc64 checksums for verification",
2813 },
214e1eca
JA		 2814 { .ival = "crc32",
2815 .oval = VERIFY_CRC32,
2816 .help = "Use crc32 checksums for verification",
2817 },
af497e6a 2818 { .ival = "crc32c-intel",
e3aaafc4
JA		 2819 .oval = VERIFY_CRC32C,
2820 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2821 },
bac39e0e
JA		 2822 { .ival = "crc32c",
2823 .oval = VERIFY_CRC32C,
e3aaafc4 2824 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2825 },
969f7ed3
JA		 2826 { .ival = "crc16",
2827 .oval = VERIFY_CRC16,
2828 .help = "Use crc16 checksums for verification",
2829 },
1e154bdb
JA		 2830 { .ival = "crc7",
2831 .oval = VERIFY_CRC7,
2832 .help = "Use crc7 checksums for verification",
2833 },
7c353ceb
JA		 2834 { .ival = "sha1",
2835 .oval = VERIFY_SHA1,
2836 .help = "Use sha1 checksums for verification",
2837 },
cd14cc10
JA		 2838 { .ival = "sha256",
2839 .oval = VERIFY_SHA256,
2840 .help = "Use sha256 checksums for verification",
2841 },
2842 { .ival = "sha512",
2843 .oval = VERIFY_SHA512,
2844 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2845 },
2846 { .ival = "sha3-224",
2847 .oval = VERIFY_SHA3_224,
2848 .help = "Use sha3-224 checksums for verification",
2849 },
2850 { .ival = "sha3-256",
2851 .oval = VERIFY_SHA3_256,
2852 .help = "Use sha3-256 checksums for verification",
2853 },
2854 { .ival = "sha3-384",
2855 .oval = VERIFY_SHA3_384,
2856 .help = "Use sha3-384 checksums for verification",
2857 },
2858 { .ival = "sha3-512",
2859 .oval = VERIFY_SHA3_512,
2860 .help = "Use sha3-512 checksums for verification",
cd14cc10 2861 },
844ea602
JA		 2862 { .ival = "xxhash",
2863 .oval = VERIFY_XXHASH,
2864 .help = "Use xxhash checksums for verification",
2865 },
b638d82f
RP		 2866 /* Meta information was included into verify_header,
2867 * 'meta' verification is implied by default. */
7437ee87 2868 { .ival = "meta",
b638d82f
RP		 2869 .oval = VERIFY_HDR_ONLY,
2870 .help = "Use io information for verification. "
2871 "Now is implied by default, thus option is obsolete, "
2872 "don't use it",
7437ee87 2873 },
59245381
JA		 2874 { .ival = "pattern",
2875 .oval = VERIFY_PATTERN_NO_HDR,
2876 .help = "Verify strict pattern",
2877 },
36690c9b
JA		 2878 {
2879 .ival = "null",
2880 .oval = VERIFY_NULL,
2881 .help = "Pretend to verify",
2882 },
214e1eca
JA		 2883 },
2884 },
005c565a
JA		 2885 {
2886 .name = "do_verify",
e8b0e958 2887 .lname = "Perform verify step",
68e1f29a 2888 .type = FIO_OPT_BOOL,
a609f12a 2889 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2890 .help = "Run verification stage after write",
2891 .def = "1",
2892 .parent = "verify",
d71c154c 2893 .hide = 1,
e8b0e958
JA		 2894 .category = FIO_OPT_C_IO,
2895 .group = FIO_OPT_G_VERIFY,
005c565a 2896 },
160b966d
JA		 2897 {
2898 .name = "verifysort",
e8b0e958 2899 .lname = "Verify sort",
f31feaa2 2900 .type = FIO_OPT_SOFT_DEPRECATED,
e8b0e958
JA		 2901 .category = FIO_OPT_C_IO,
2902 .group = FIO_OPT_G_VERIFY,
160b966d 2903 },
1ae83d45
JA		 2904 {
2905 .name = "verifysort_nr",
cce2fdfe 2906 .lname = "Verify Sort Nr",
f31feaa2 2907 .type = FIO_OPT_SOFT_DEPRECATED,
836fcc0f
JA		 2908 .category = FIO_OPT_C_IO,
2909 .group = FIO_OPT_G_VERIFY,
1ae83d45 2910 },
3f9f4e26 2911 {
a59e170d 2912 .name = "verify_interval",
e8b0e958 2913 .lname = "Verify interval",
e01b22b8 2914 .type = FIO_OPT_INT,
a609f12a 2915 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2916 .minval = 2 * sizeof(struct verify_header),
a59e170d 2917 .help = "Store verify buffer header every N bytes",
afdf9352 2918 .parent = "verify",
d71c154c 2919 .hide = 1,
20eb06bd 2920 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2921 .category = FIO_OPT_C_IO,
2922 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2923 },
546a9142 2924 {
a59e170d 2925 .name = "verify_offset",
e8b0e958 2926 .lname = "Verify offset",
e01b22b8 2927 .type = FIO_OPT_INT,
a59e170d 2928 .help = "Offset verify header location by N bytes",
a609f12a 2929 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2930 .minval = sizeof(struct verify_header),
afdf9352 2931 .parent = "verify",
d71c154c 2932 .hide = 1,
e8b0e958
JA		 2933 .category = FIO_OPT_C_IO,
2934 .group = FIO_OPT_G_VERIFY,
546a9142 2935 },
e28218f3
SL		 2936 {
2937 .name = "verify_pattern",
e8b0e958 2938 .lname = "Verify pattern",
0e92f873 2939 .type = FIO_OPT_STR,
e28218f3 2940 .cb = str_verify_pattern_cb,
a609f12a 2941 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2942 .help = "Fill pattern for IO buffers",
2943 .parent = "verify",
d71c154c 2944 .hide = 1,
e8b0e958
JA		 2945 .category = FIO_OPT_C_IO,
2946 .group = FIO_OPT_G_VERIFY,
e28218f3 2947 },
a12a3b4d
JA		 2948 {
2949 .name = "verify_fatal",
e8b0e958 2950 .lname = "Verify fatal",
68e1f29a 2951 .type = FIO_OPT_BOOL,
a609f12a 2952 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2953 .def = "0",
2954 .help = "Exit on a single verify failure, don't continue",
2955 .parent = "verify",
d71c154c 2956 .hide = 1,
e8b0e958
JA		 2957 .category = FIO_OPT_C_IO,
2958 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2959 },
b463e936
JA		 2960 {
2961 .name = "verify_dump",
e8b0e958 2962 .lname = "Verify dump",
b463e936 2963 .type = FIO_OPT_BOOL,
a609f12a 2964 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2965 .def = "0",
b463e936
JA		 2966 .help = "Dump contents of good and bad blocks on failure",
2967 .parent = "verify",
d71c154c 2968 .hide = 1,
e8b0e958
JA		 2969 .category = FIO_OPT_C_IO,
2970 .group = FIO_OPT_G_VERIFY,
b463e936 2971 },
e8462bd8
JA		 2972 {
2973 .name = "verify_async",
e8b0e958 2974 .lname = "Verify asynchronously",
e8462bd8 2975 .type = FIO_OPT_INT,
a609f12a 2976 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2977 .def = "0",
2978 .help = "Number of async verifier threads to use",
2979 .parent = "verify",
d71c154c 2980 .hide = 1,
e8b0e958
JA		 2981 .category = FIO_OPT_C_IO,
2982 .group = FIO_OPT_G_VERIFY,
e8462bd8 2983 },
9e144189
JA		 2984 {
2985 .name = "verify_backlog",
e8b0e958 2986 .lname = "Verify backlog",
9e144189 2987 .type = FIO_OPT_STR_VAL,
a609f12a 2988 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2989 .help = "Verify after this number of blocks are written",
2990 .parent = "verify",
d71c154c 2991 .hide = 1,
e8b0e958
JA		 2992 .category = FIO_OPT_C_IO,
2993 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2994 },
2995 {
2996 .name = "verify_backlog_batch",
e8b0e958 2997 .lname = "Verify backlog batch",
9e144189 2998 .type = FIO_OPT_INT,
a609f12a 2999 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 3000 .help = "Verify this number of IO blocks",
0d29de83 3001 .parent = "verify",
d71c154c 3002 .hide = 1,
e8b0e958
JA		 3003 .category = FIO_OPT_C_IO,
3004 .group = FIO_OPT_G_VERIFY,
9e144189 3005 },
e8462bd8
JA		 3006#ifdef FIO_HAVE_CPU_AFFINITY
3007 {
3008 .name = "verify_async_cpus",
e8b0e958 3009 .lname = "Async verify CPUs",
e8462bd8
JA		 3010 .type = FIO_OPT_STR,
3011 .cb = str_verify_cpus_allowed_cb,
a609f12a 3012 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 3013 .help = "Set CPUs allowed for async verify threads",
3014 .parent = "verify_async",
d71c154c 3015 .hide = 1,
e8b0e958
JA		 3016 .category = FIO_OPT_C_IO,
3017 .group = FIO_OPT_G_VERIFY,
e8462bd8 3018 },
a275c37a
JA		 3019#else
3020 {
3021 .name = "verify_async_cpus",
3022 .lname = "Async verify CPUs",
3023 .type = FIO_OPT_UNSUPPORTED,
54d0a315 3024 .help = "Your platform does not support CPU affinities",
a275c37a 3025 },
0d29de83 3026#endif
51aa2da8
JA		 3027 {
3028 .name = "experimental_verify",
cce2fdfe 3029 .lname = "Experimental Verify",
a609f12a 3030 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 3031 .type = FIO_OPT_BOOL,
b31eaac9 3032 .help = "Enable experimental verification",
ca09be4b
JA		 3033 .parent = "verify",
3034 .category = FIO_OPT_C_IO,
3035 .group = FIO_OPT_G_VERIFY,
3036 },
3037 {
3038 .name = "verify_state_load",
3039 .lname = "Load verify state",
a609f12a 3040 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 3041 .type = FIO_OPT_BOOL,
3042 .help = "Load verify termination state",
3043 .parent = "verify",
3044 .category = FIO_OPT_C_IO,
3045 .group = FIO_OPT_G_VERIFY,
3046 },
3047 {
3048 .name = "verify_state_save",
3049 .lname = "Save verify state",
a609f12a 3050 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 3051 .type = FIO_OPT_BOOL,
3052 .def = "1",
3053 .help = "Save verify state on termination",
3054 .parent = "verify",
836fcc0f
JA		 3055 .category = FIO_OPT_C_IO,
3056 .group = FIO_OPT_G_VERIFY,
51aa2da8 3057 },
0d29de83
JA		 3058#ifdef FIO_HAVE_TRIM
3059 {
3060 .name = "trim_percentage",
e8b0e958 3061 .lname = "Trim percentage",
0d29de83 3062 .type = FIO_OPT_INT,
a609f12a 3063 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 3064 .minval = 0,
0d29de83 3065 .maxval = 100,
169c098d 3066 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 3067 .parent = "verify",
3068 .def = "0",
20eb06bd 3069 .interval = 1,
d71c154c 3070 .hide = 1,
e8b0e958
JA		 3071 .category = FIO_OPT_C_IO,
3072 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3073 },
3074 {
3075 .name = "trim_verify_zero",
e8b0e958 3076 .lname = "Verify trim zero",
20eb06bd 3077 .type = FIO_OPT_BOOL,
169c098d 3078 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3079 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3080 .parent = "trim_percentage",
d71c154c 3081 .hide = 1,
0d29de83 3082 .def = "1",
e8b0e958
JA		 3083 .category = FIO_OPT_C_IO,
3084 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3085 },
3086 {
3087 .name = "trim_backlog",
e8b0e958 3088 .lname = "Trim backlog",
0d29de83 3089 .type = FIO_OPT_STR_VAL,
a609f12a 3090 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 3091 .help = "Trim after this number of blocks are written",
3092 .parent = "trim_percentage",
d71c154c 3093 .hide = 1,
20eb06bd 3094 .interval = 1,
e8b0e958
JA		 3095 .category = FIO_OPT_C_IO,
3096 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3097 },
3098 {
3099 .name = "trim_backlog_batch",
e8b0e958 3100 .lname = "Trim backlog batch",
0d29de83 3101 .type = FIO_OPT_INT,
a609f12a 3102 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 3103 .help = "Trim this number of IO blocks",
3104 .parent = "trim_percentage",
d71c154c 3105 .hide = 1,
20eb06bd 3106 .interval = 1,
e8b0e958
JA		 3107 .category = FIO_OPT_C_IO,
3108 .group = FIO_OPT_G_TRIM,
0d29de83 3109 },
a275c37a
JA		 3110#else
3111 {
3112 .name = "trim_percentage",
3113 .lname = "Trim percentage",
3114 .type = FIO_OPT_UNSUPPORTED,
3115 .help = "Fio does not support TRIM on your platform",
3116 },
3117 {
3118 .name = "trim_verify_zero",
3119 .lname = "Verify trim zero",
3120 .type = FIO_OPT_UNSUPPORTED,
3121 .help = "Fio does not support TRIM on your platform",
3122 },
3123 {
3124 .name = "trim_backlog",
3125 .lname = "Trim backlog",
3126 .type = FIO_OPT_UNSUPPORTED,
3127 .help = "Fio does not support TRIM on your platform",
3128 },
3129 {
3130 .name = "trim_backlog_batch",
3131 .lname = "Trim backlog batch",
3132 .type = FIO_OPT_UNSUPPORTED,
3133 .help = "Fio does not support TRIM on your platform",
3134 },
e8462bd8 3135#endif
214e1eca
JA		 3136 {
3137 .name = "write_iolog",
e8b0e958 3138 .lname = "Write I/O log",
214e1eca 3139 .type = FIO_OPT_STR_STORE,
a609f12a 3140 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3141 .help = "Store IO pattern to file",
e8b0e958
JA		 3142 .category = FIO_OPT_C_IO,
3143 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3144 },
3145 {
3146 .name = "read_iolog",
e8b0e958 3147 .lname = "Read I/O log",
214e1eca 3148 .type = FIO_OPT_STR_STORE,
a609f12a 3149 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3150 .help = "Playback IO pattern from file",
e8b0e958
JA		 3151 .category = FIO_OPT_C_IO,
3152 .group = FIO_OPT_G_IOLOG,
214e1eca 3153 },
98e7161c
AK		 3154 {
3155 .name = "read_iolog_chunked",
3156 .lname = "Read I/O log in parts",
3157 .type = FIO_OPT_BOOL,
3158 .off1 = offsetof(struct thread_options, read_iolog_chunked),
3159 .def = "0",
3160 .parent = "read_iolog",
3161 .help = "Parse IO pattern in chunks",
3162 .category = FIO_OPT_C_IO,
3163 .group = FIO_OPT_G_IOLOG,
3164 },
64bbb865
DN		 3165 {
3166 .name = "replay_no_stall",
e8b0e958 3167 .lname = "Don't stall on replay",
20eb06bd 3168 .type = FIO_OPT_BOOL,
a609f12a 3169 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3170 .def = "0",
87e7a972 3171 .parent = "read_iolog",
d71c154c 3172 .hide = 1,
64bbb865 3173 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3174 .category = FIO_OPT_C_IO,
3175 .group = FIO_OPT_G_IOLOG,
64bbb865 3176 },
d1c46c04
DN		 3177 {
3178 .name = "replay_redirect",
e8b0e958 3179 .lname = "Redirect device for replay",
d1c46c04 3180 .type = FIO_OPT_STR_STORE,
a609f12a 3181 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3182 .parent = "read_iolog",
d71c154c 3183 .hide = 1,
d1c46c04 3184 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3185 .category = FIO_OPT_C_IO,
3186 .group = FIO_OPT_G_IOLOG,
d1c46c04 3187 },
0c63576e
JA		 3188 {
3189 .name = "replay_scale",
3190 .lname = "Replace offset scale factor",
3191 .type = FIO_OPT_INT,
a609f12a 3192 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3193 .parent = "read_iolog",
3194 .def = "1",
3195 .help = "Align offsets to this blocksize",
3196 .category = FIO_OPT_C_IO,
3197 .group = FIO_OPT_G_IOLOG,
3198 },
3199 {
3200 .name = "replay_align",
3201 .lname = "Replace alignment",
3202 .type = FIO_OPT_INT,
a609f12a 3203 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3204 .parent = "read_iolog",
3205 .help = "Scale offset down by this factor",
3206 .category = FIO_OPT_C_IO,
3207 .group = FIO_OPT_G_IOLOG,
3208 .pow2 = 1,
3209 },
6dd7fa77
JA		 3210 {
3211 .name = "replay_time_scale",
3212 .lname = "Replay Time Scale",
3213 .type = FIO_OPT_INT,
3214 .off1 = offsetof(struct thread_options, replay_time_scale),
3215 .def = "100",
3216 .minval = 1,
3217 .parent = "read_iolog",
3218 .hide = 1,
3219 .help = "Scale time for replay events",
3220 .category = FIO_OPT_C_IO,
3221 .group = FIO_OPT_G_IOLOG,
3222 },
d7235efb
JA		 3223 {
3224 .name = "replay_skip",
3225 .lname = "Replay Skip",
3226 .type = FIO_OPT_STR,
3227 .cb = str_replay_skip_cb,
3228 .off1 = offsetof(struct thread_options, replay_skip),
3229 .parent = "read_iolog",
3230 .help = "Skip certain IO types (read,write,trim,flush)",
3231 .category = FIO_OPT_C_IO,
3232 .group = FIO_OPT_G_IOLOG,
3233 },
214e1eca
JA		 3234 {
3235 .name = "exec_prerun",
e8b0e958 3236 .lname = "Pre-execute runnable",
214e1eca 3237 .type = FIO_OPT_STR_STORE,
a609f12a 3238 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3239 .help = "Execute this file prior to running job",
e8b0e958
JA		 3240 .category = FIO_OPT_C_GENERAL,
3241 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3242 },
3243 {
3244 .name = "exec_postrun",
e8b0e958 3245 .lname = "Post-execute runnable",
214e1eca 3246 .type = FIO_OPT_STR_STORE,
a609f12a 3247 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3248 .help = "Execute this file after running job",
e8b0e958
JA		 3249 .category = FIO_OPT_C_GENERAL,
3250 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3251 },
3252#ifdef FIO_HAVE_IOSCHED_SWITCH
3253 {
3254 .name = "ioscheduler",
e8b0e958 3255 .lname = "I/O scheduler",
214e1eca 3256 .type = FIO_OPT_STR_STORE,
a609f12a 3257 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3258 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3259 .category = FIO_OPT_C_FILE,
3260 .group = FIO_OPT_G_INVALID,
214e1eca 3261 },
a275c37a
JA		 3262#else
3263 {
3264 .name = "ioscheduler",
3265 .lname = "I/O scheduler",
3266 .type = FIO_OPT_UNSUPPORTED,
3267 .help = "Your platform does not support IO scheduler switching",
3268 },
214e1eca
JA		 3269#endif
3270 {
3271 .name = "zonesize",
e8b0e958 3272 .lname = "Zone size",
214e1eca 3273 .type = FIO_OPT_STR_VAL,
a609f12a 3274 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3275 .help = "Amount of data to read per zone",
3276 .def = "0",
20eb06bd 3277 .interval = 1024 * 1024,
e8b0e958
JA		 3278 .category = FIO_OPT_C_IO,
3279 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3280 },
3281 {
3282 .name = "zonerange",
e8b0e958 3283 .lname = "Zone range",
ed335855 3284 .type = FIO_OPT_STR_VAL,
a609f12a 3285 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3286 .help = "Give size of an IO zone",
3287 .def = "0",
20eb06bd 3288 .interval = 1024 * 1024,
e8b0e958
JA		 3289 .category = FIO_OPT_C_IO,
3290 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3291 },
3292 {
3293 .name = "zoneskip",
e8b0e958 3294 .lname = "Zone skip",
214e1eca 3295 .type = FIO_OPT_STR_VAL,
a609f12a 3296 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3297 .help = "Space between IO zones",
3298 .def = "0",
20eb06bd 3299 .interval = 1024 * 1024,
e8b0e958
JA		 3300 .category = FIO_OPT_C_IO,
3301 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3302 },
3303 {
3304 .name = "lockmem",
e8b0e958 3305 .lname = "Lock memory",
214e1eca 3306 .type = FIO_OPT_STR_VAL,
a609f12a 3307 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3308 .help = "Lock down this amount of memory (per worker)",
214e1eca 3309 .def = "0",
20eb06bd 3310 .interval = 1024 * 1024,
e8b0e958
JA		 3311 .category = FIO_OPT_C_GENERAL,
3312 .group = FIO_OPT_G_INVALID,
214e1eca 3313 },
214e1eca
JA		 3314 {
3315 .name = "rwmixread",
e8b0e958 3316 .lname = "Read/write mix read",
214e1eca 3317 .type = FIO_OPT_INT,
cb499fc4 3318 .cb = str_rwmix_read_cb,
a609f12a 3319 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3320 .maxval = 100,
3321 .help = "Percentage of mixed workload that is reads",
3322 .def = "50",
20eb06bd 3323 .interval = 5,
90265353 3324 .inverse = "rwmixwrite",
e8b0e958
JA		 3325 .category = FIO_OPT_C_IO,
3326 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3327 },
3328 {
3329 .name = "rwmixwrite",
e8b0e958 3330 .lname = "Read/write mix write",
214e1eca 3331 .type = FIO_OPT_INT,
cb499fc4 3332 .cb = str_rwmix_write_cb,
a609f12a 3333 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3334 .maxval = 100,
3335 .help = "Percentage of mixed workload that is writes",
3336 .def = "50",
20eb06bd 3337 .interval = 5,
90265353 3338 .inverse = "rwmixread",
e8b0e958
JA		 3339 .category = FIO_OPT_C_IO,
3340 .group = FIO_OPT_G_RWMIX,
214e1eca 3341 },
afdf9352
JA		 3342 {
3343 .name = "rwmixcycle",
e8b0e958 3344 .lname = "Read/write mix cycle",
15ca150e 3345 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3346 .category = FIO_OPT_C_IO,
3347 .group = FIO_OPT_G_RWMIX,
afdf9352 3348 },
214e1eca
JA		 3349 {
3350 .name = "nice",
e8b0e958 3351 .lname = "Nice",
214e1eca 3352 .type = FIO_OPT_INT,
a609f12a 3353 .off1 = offsetof(struct thread_options, nice),
214e1eca 3354 .help = "Set job CPU nice value",
11fd6aa8
RC		 3355 .minval = -20,
3356 .maxval = 19,
214e1eca 3357 .def = "0",
20eb06bd 3358 .interval = 1,
e8b0e958 3359 .category = FIO_OPT_C_GENERAL,
10860056 3360 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3361 },
3362#ifdef FIO_HAVE_IOPRIO
3363 {
3364 .name = "prio",
e8b0e958 3365 .lname = "I/O nice priority",
214e1eca 3366 .type = FIO_OPT_INT,
a609f12a 3367 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3368 .help = "Set job IO priority value",
1767bd34
TK		 3369 .minval = IOPRIO_MIN_PRIO,
3370 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3371 .interval = 1,
e8b0e958 3372 .category = FIO_OPT_C_GENERAL,
10860056 3373 .group = FIO_OPT_G_CRED,
214e1eca 3374 },
32ef447a
TK		 3375#else
3376 {
3377 .name = "prio",
3378 .lname = "I/O nice priority",
3379 .type = FIO_OPT_UNSUPPORTED,
3380 .help = "Your platform does not support IO priorities",
3381 },
3382#endif
3383#ifdef FIO_HAVE_IOPRIO_CLASS
3384#ifndef FIO_HAVE_IOPRIO
3385#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3386#endif
214e1eca
JA		 3387 {
3388 .name = "prioclass",
e8b0e958 3389 .lname = "I/O nice priority class",
214e1eca 3390 .type = FIO_OPT_INT,
a609f12a 3391 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3392 .help = "Set job IO priority class",
1767bd34
TK		 3393 .minval = IOPRIO_MIN_PRIO_CLASS,
3394 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3395 .interval = 1,
e8b0e958 3396 .category = FIO_OPT_C_GENERAL,
10860056 3397 .group = FIO_OPT_G_CRED,
214e1eca 3398 },
a275c37a 3399#else
a275c37a
JA		 3400 {
3401 .name = "prioclass",
3402 .lname = "I/O nice priority class",
3403 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3404 .help = "Your platform does not support IO priority classes",
a275c37a 3405 },
214e1eca
JA		 3406#endif
3407 {
3408 .name = "thinktime",
e8b0e958 3409 .lname = "Thinktime",
214e1eca 3410 .type = FIO_OPT_INT,
a609f12a 3411 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3412 .help = "Idle time between IO buffers (usec)",
3413 .def = "0",
88038bc7 3414 .is_time = 1,
e8b0e958 3415 .category = FIO_OPT_C_IO,
3ceb458f 3416 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3417 },
3418 {
3419 .name = "thinktime_spin",
e8b0e958 3420 .lname = "Thinktime spin",
214e1eca 3421 .type = FIO_OPT_INT,
a609f12a 3422 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3423 .help = "Start think time by spinning this amount (usec)",
3424 .def = "0",
88038bc7 3425 .is_time = 1,
afdf9352 3426 .parent = "thinktime",
d71c154c 3427 .hide = 1,
e8b0e958 3428 .category = FIO_OPT_C_IO,
3ceb458f 3429 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3430 },
3431 {
3432 .name = "thinktime_blocks",
e8b0e958 3433 .lname = "Thinktime blocks",
214e1eca 3434 .type = FIO_OPT_INT,
a609f12a 3435 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3436 .help = "IO buffer period between 'thinktime'",
3437 .def = "1",
afdf9352 3438 .parent = "thinktime",
d71c154c 3439 .hide = 1,
e8b0e958 3440 .category = FIO_OPT_C_IO,
3ceb458f 3441 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3442 },
3443 {
3444 .name = "rate",
e8b0e958 3445 .lname = "I/O rate",
e01b22b8 3446 .type = FIO_OPT_INT,
a609f12a
JA		 3447 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3448 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3449 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3450 .help = "Set bandwidth rate",
e8b0e958
JA		 3451 .category = FIO_OPT_C_IO,
3452 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3453 },
3454 {
6d428bcd
JA		 3455 .name = "rate_min",
3456 .alias = "ratemin",
e8b0e958 3457 .lname = "I/O min rate",
e01b22b8 3458 .type = FIO_OPT_INT,
a609f12a
JA		 3459 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3460 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3461 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3462 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3463 .parent = "rate",
d71c154c 3464 .hide = 1,
e8b0e958
JA		 3465 .category = FIO_OPT_C_IO,
3466 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3467 },
3468 {
3469 .name = "rate_iops",
e8b0e958 3470 .lname = "I/O rate IOPS",
e01b22b8 3471 .type = FIO_OPT_INT,
a609f12a
JA		 3472 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3473 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3474 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3475 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3476 .hide = 1,
e8b0e958
JA		 3477 .category = FIO_OPT_C_IO,
3478 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3479 },
3480 {
3481 .name = "rate_iops_min",
e8b0e958 3482 .lname = "I/O min rate IOPS",
e01b22b8 3483 .type = FIO_OPT_INT,
a609f12a
JA		 3484 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3485 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3486 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3487 .help = "Job must meet this rate or it will be shut down",
afdf9352 3488 .parent = "rate_iops",
d71c154c 3489 .hide = 1,
e8b0e958
JA		 3490 .category = FIO_OPT_C_IO,
3491 .group = FIO_OPT_G_RATE,
214e1eca 3492 },
ff6bb260 3493 {
6de65959
JA		 3494 .name = "rate_process",
3495 .lname = "Rate Process",
3496 .type = FIO_OPT_STR,
a609f12a 3497 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3498 .help = "What process controls how rated IO is managed",
3499 .def = "linear",
ff6bb260
SL		 3500 .category = FIO_OPT_C_IO,
3501 .group = FIO_OPT_G_RATE,
6de65959
JA		 3502 .posval = {
3503 { .ival = "linear",
3504 .oval = RATE_PROCESS_LINEAR,
3505 .help = "Linear rate of IO",
3506 },
3507 {
3508 .ival = "poisson",
3509 .oval = RATE_PROCESS_POISSON,
3510 .help = "Rate follows Poisson process",
3511 },
3512 },
3513 .parent = "rate",
ff6bb260 3514 },
214e1eca 3515 {
6d428bcd
JA		 3516 .name = "rate_cycle",
3517 .alias = "ratecycle",
e8b0e958 3518 .lname = "I/O rate cycle",
214e1eca 3519 .type = FIO_OPT_INT,
a609f12a 3520 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3521 .help = "Window average for rate limits (msec)",
3522 .def = "1000",
afdf9352 3523 .parent = "rate",
d71c154c 3524 .hide = 1,
e8b0e958
JA		 3525 .category = FIO_OPT_C_IO,
3526 .group = FIO_OPT_G_RATE,
214e1eca 3527 },
1a9bf814
JA		 3528 {
3529 .name = "rate_ignore_thinktime",
3530 .lname = "Rate ignore thinktime",
3531 .type = FIO_OPT_BOOL,
3532 .off1 = offsetof(struct thread_options, rate_ign_think),
3533 .help = "Rated IO ignores thinktime settings",
3534 .parent = "rate",
3535 .category = FIO_OPT_C_IO,
3536 .group = FIO_OPT_G_RATE,
3537 },
15501535
JA		 3538 {
3539 .name = "max_latency",
dd97d866 3540 .lname = "Max Latency (usec)",
6c3fb04c 3541 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3542 .off1 = offsetof(struct thread_options, max_latency),
15501535 3543 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3544 .is_time = 1,
1e5324e7 3545 .category = FIO_OPT_C_IO,
3e260a46
JA		 3546 .group = FIO_OPT_G_LATPROF,
3547 },
3548 {
3549 .name = "latency_target",
3550 .lname = "Latency Target (usec)",
3551 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3552 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3553 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3554 .is_time = 1,
3e260a46
JA		 3555 .category = FIO_OPT_C_IO,
3556 .group = FIO_OPT_G_LATPROF,
3557 },
3558 {
3559 .name = "latency_window",
3560 .lname = "Latency Window (usec)",
3561 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3562 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3563 .help = "Time to sustain latency_target",
88038bc7 3564 .is_time = 1,
3e260a46
JA		 3565 .category = FIO_OPT_C_IO,
3566 .group = FIO_OPT_G_LATPROF,
3567 },
3568 {
3569 .name = "latency_percentile",
3570 .lname = "Latency Percentile",
3571 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3572 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3573 .help = "Percentile of IOs must be below latency_target",
3574 .def = "100",
3575 .maxlen = 1,
3576 .minfp = 0.0,
3577 .maxfp = 100.0,
3578 .category = FIO_OPT_C_IO,
3579 .group = FIO_OPT_G_LATPROF,
15501535 3580 },
214e1eca
JA		 3581 {
3582 .name = "invalidate",
e8b0e958 3583 .lname = "Cache invalidate",
214e1eca 3584 .type = FIO_OPT_BOOL,
a609f12a 3585 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3586 .help = "Invalidate buffer/page cache prior to running job",
3587 .def = "1",
e8b0e958 3588 .category = FIO_OPT_C_IO,
3ceb458f 3589 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3590 },
3591 {
3592 .name = "sync",
e8b0e958 3593 .lname = "Synchronous I/O",
214e1eca 3594 .type = FIO_OPT_BOOL,
a609f12a 3595 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3596 .help = "Use O_SYNC for buffered writes",
3597 .def = "0",
67a1000f 3598 .parent = "buffered",
d71c154c 3599 .hide = 1,
e8b0e958 3600 .category = FIO_OPT_C_IO,
3ceb458f 3601 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3602 },
ae8e559e
JA		 3603#ifdef FIO_HAVE_WRITE_HINT
3604 {
3605 .name = "write_hint",
3606 .lname = "Write hint",
3607 .type = FIO_OPT_STR,
3608 .off1 = offsetof(struct thread_options, write_hint),
3609 .help = "Set expected write life time",
3610 .category = FIO_OPT_C_ENGINE,
3611 .group = FIO_OPT_G_INVALID,
3612 .posval = {
3613 { .ival = "none",
3614 .oval = RWH_WRITE_LIFE_NONE,
3615 },
3616 { .ival = "short",
3617 .oval = RWH_WRITE_LIFE_SHORT,
3618 },
3619 { .ival = "medium",
3620 .oval = RWH_WRITE_LIFE_MEDIUM,
3621 },
3622 { .ival = "long",
3623 .oval = RWH_WRITE_LIFE_LONG,
3624 },
3625 { .ival = "extreme",
3626 .oval = RWH_WRITE_LIFE_EXTREME,
3627 },
3628 },
3629 },
3630#endif
214e1eca
JA		 3631 {
3632 .name = "create_serialize",
e8b0e958 3633 .lname = "Create serialize",
214e1eca 3634 .type = FIO_OPT_BOOL,
a609f12a 3635 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3636 .help = "Serialize creation of job files",
214e1eca 3637 .def = "1",
e8b0e958
JA		 3638 .category = FIO_OPT_C_FILE,
3639 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3640 },
3641 {
3642 .name = "create_fsync",
e8b0e958 3643 .lname = "Create fsync",
214e1eca 3644 .type = FIO_OPT_BOOL,
a609f12a 3645 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3646 .help = "fsync file after creation",
214e1eca 3647 .def = "1",
e8b0e958
JA		 3648 .category = FIO_OPT_C_FILE,
3649 .group = FIO_OPT_G_INVALID,
214e1eca 3650 },
814452bd
JA		 3651 {
3652 .name = "create_on_open",
e8b0e958 3653 .lname = "Create on open",
814452bd 3654 .type = FIO_OPT_BOOL,
a609f12a 3655 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3656 .help = "Create files when they are opened for IO",
3657 .def = "0",
e8b0e958
JA		 3658 .category = FIO_OPT_C_FILE,
3659 .group = FIO_OPT_G_INVALID,
814452bd 3660 },
25460cf6
JA		 3661 {
3662 .name = "create_only",
cce2fdfe 3663 .lname = "Create Only",
25460cf6 3664 .type = FIO_OPT_BOOL,
a609f12a 3665 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3666 .help = "Only perform file creation phase",
d17fda71 3667 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3668 .def = "0",
3669 },
2378826d
JA		 3670 {
3671 .name = "allow_file_create",
e81ecca3 3672 .lname = "Allow file create",
2378826d 3673 .type = FIO_OPT_BOOL,
a609f12a 3674 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3675 .help = "Permit fio to create files, if they don't exist",
3676 .def = "1",
3677 .category = FIO_OPT_C_FILE,
3678 .group = FIO_OPT_G_FILENAME,
3679 },
e81ecca3
JA		 3680 {
3681 .name = "allow_mounted_write",
3682 .lname = "Allow mounted write",
3683 .type = FIO_OPT_BOOL,
a609f12a 3684 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3685 .help = "Allow writes to a mounted partition",
3686 .def = "0",
3687 .category = FIO_OPT_C_FILE,
3688 .group = FIO_OPT_G_FILENAME,
3689 },
0b9d69ec 3690 {
afad68f7 3691 .name = "pre_read",
e8b0e958 3692 .lname = "Pre-read files",
afad68f7 3693 .type = FIO_OPT_BOOL,
a609f12a 3694 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3695 .help = "Pre-read files before starting official testing",
afad68f7 3696 .def = "0",
e8b0e958
JA		 3697 .category = FIO_OPT_C_FILE,
3698 .group = FIO_OPT_G_INVALID,
afad68f7 3699 },
214e1eca
JA		 3700#ifdef FIO_HAVE_CPU_AFFINITY
3701 {
3702 .name = "cpumask",
e8b0e958 3703 .lname = "CPU mask",
214e1eca
JA		 3704 .type = FIO_OPT_INT,
3705 .cb = str_cpumask_cb,
a609f12a 3706 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3707 .help = "CPU affinity mask",
e8b0e958 3708 .category = FIO_OPT_C_GENERAL,
10860056 3709 .group = FIO_OPT_G_CRED,
214e1eca 3710 },
d2e268b0
JA		 3711 {
3712 .name = "cpus_allowed",
e8b0e958 3713 .lname = "CPUs allowed",
d2e268b0
JA		 3714 .type = FIO_OPT_STR,
3715 .cb = str_cpus_allowed_cb,
a609f12a 3716 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3717 .help = "Set CPUs allowed",
e8b0e958 3718 .category = FIO_OPT_C_GENERAL,
10860056 3719 .group = FIO_OPT_G_CRED,
d2e268b0 3720 },
c2acfbac
JA		 3721 {
3722 .name = "cpus_allowed_policy",
3723 .lname = "CPUs allowed distribution policy",
3724 .type = FIO_OPT_STR,
a609f12a 3725 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3726 .help = "Distribution policy for cpus_allowed",
3727 .parent = "cpus_allowed",
3728 .prio = 1,
3729 .posval = {
3730 { .ival = "shared",
3731 .oval = FIO_CPUS_SHARED,
3732 .help = "Mask shared between threads",
3733 },
3734 { .ival = "split",
3735 .oval = FIO_CPUS_SPLIT,
3736 .help = "Mask split between threads",
3737 },
3738 },
3739 .category = FIO_OPT_C_GENERAL,
3740 .group = FIO_OPT_G_CRED,
3741 },
a275c37a
JA		 3742#else
3743 {
3744 .name = "cpumask",
3745 .lname = "CPU mask",
3746 .type = FIO_OPT_UNSUPPORTED,
3747 .help = "Your platform does not support CPU affinities",
3748 },
3749 {
3750 .name = "cpus_allowed",
3751 .lname = "CPUs allowed",
3752 .type = FIO_OPT_UNSUPPORTED,
3753 .help = "Your platform does not support CPU affinities",
3754 },
3755 {
3756 .name = "cpus_allowed_policy",
3757 .lname = "CPUs allowed distribution policy",
3758 .type = FIO_OPT_UNSUPPORTED,
3759 .help = "Your platform does not support CPU affinities",
3760 },
d0b937ed 3761#endif
67bf9823 3762#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3763 {
3764 .name = "numa_cpu_nodes",
cce2fdfe 3765 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3766 .type = FIO_OPT_STR,
3767 .cb = str_numa_cpunodes_cb,
a609f12a 3768 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3769 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3770 .category = FIO_OPT_C_GENERAL,
3771 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3772 },
3773 {
3774 .name = "numa_mem_policy",
cce2fdfe 3775 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3776 .type = FIO_OPT_STR,
3777 .cb = str_numa_mpol_cb,
a609f12a 3778 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3779 .help = "NUMA memory policy setup",
6be54b2d
JA		 3780 .category = FIO_OPT_C_GENERAL,
3781 .group = FIO_OPT_G_INVALID,
d0b937ed 3782 },
a275c37a
JA		 3783#else
3784 {
3785 .name = "numa_cpu_nodes",
3786 .lname = "NUMA CPU Nodes",
3787 .type = FIO_OPT_UNSUPPORTED,
3788 .help = "Build fio with libnuma-dev(el) to enable this option",
3789 },
3790 {
3791 .name = "numa_mem_policy",
3792 .lname = "NUMA Memory Policy",
3793 .type = FIO_OPT_UNSUPPORTED,
3794 .help = "Build fio with libnuma-dev(el) to enable this option",
3795 },
03553853
YR		 3796#endif
3797#ifdef CONFIG_CUDA
3798 {
3799 .name = "gpu_dev_id",
3800 .lname = "GPU device ID",
3801 .type = FIO_OPT_INT,
3802 .off1 = offsetof(struct thread_options, gpu_dev_id),
3803 .help = "Set GPU device ID for GPUDirect RDMA",
3804 .def = "0",
3805 .category = FIO_OPT_C_GENERAL,
3806 .group = FIO_OPT_G_INVALID,
3807 },
214e1eca
JA		 3808#endif
3809 {
3810 .name = "end_fsync",
e8b0e958 3811 .lname = "End fsync",
214e1eca 3812 .type = FIO_OPT_BOOL,
a609f12a 3813 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3814 .help = "Include fsync at the end of job",
3815 .def = "0",
e8b0e958
JA		 3816 .category = FIO_OPT_C_FILE,
3817 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3818 },
3819 {
3820 .name = "fsync_on_close",
e8b0e958 3821 .lname = "Fsync on close",
214e1eca 3822 .type = FIO_OPT_BOOL,
a609f12a 3823 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3824 .help = "fsync files on close",
3825 .def = "0",
e8b0e958
JA		 3826 .category = FIO_OPT_C_FILE,
3827 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3828 },
3829 {
3830 .name = "unlink",
e8b0e958 3831 .lname = "Unlink file",
214e1eca 3832 .type = FIO_OPT_BOOL,
a609f12a 3833 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3834 .help = "Unlink created files after job has completed",
3835 .def = "0",
e8b0e958
JA		 3836 .category = FIO_OPT_C_FILE,
3837 .group = FIO_OPT_G_INVALID,
214e1eca 3838 },
39c1c323 3839 {
3840 .name = "unlink_each_loop",
3841 .lname = "Unlink file after each loop of a job",
3842 .type = FIO_OPT_BOOL,
a609f12a 3843 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3844 .help = "Unlink created files after each loop in a job has completed",
3845 .def = "0",
3846 .category = FIO_OPT_C_FILE,
3847 .group = FIO_OPT_G_INVALID,
3848 },
214e1eca
JA		 3849 {
3850 .name = "exitall",
e8b0e958 3851 .lname = "Exit-all on terminate",
214e1eca
JA		 3852 .type = FIO_OPT_STR_SET,
3853 .cb = str_exitall_cb,
3854 .help = "Terminate all jobs when one exits",
e8b0e958 3855 .category = FIO_OPT_C_GENERAL,
a1f6afec 3856 .group = FIO_OPT_G_PROCESS,
214e1eca 3857 },
f9cafb12
JA		 3858 {
3859 .name = "exitall_on_error",
3860 .lname = "Exit-all on terminate in error",
78abcf9b 3861 .type = FIO_OPT_STR_SET,
a609f12a 3862 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3863 .help = "Terminate all jobs when one exits in error",
3864 .category = FIO_OPT_C_GENERAL,
3865 .group = FIO_OPT_G_PROCESS,
3866 },
214e1eca
JA		 3867 {
3868 .name = "stonewall",
e8b0e958 3869 .lname = "Wait for previous",
d392365e 3870 .alias = "wait_for_previous",
214e1eca 3871 .type = FIO_OPT_STR_SET,
a609f12a 3872 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3873 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3874 .category = FIO_OPT_C_GENERAL,
a1f6afec 3875 .group = FIO_OPT_G_PROCESS,
214e1eca 3876 },
b3d62a75
JA		 3877 {
3878 .name = "new_group",
e8b0e958 3879 .lname = "New group",
b3d62a75 3880 .type = FIO_OPT_STR_SET,
a609f12a 3881 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3882 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3883 .category = FIO_OPT_C_GENERAL,
a1f6afec 3884 .group = FIO_OPT_G_PROCESS,
b3d62a75 3885 },
214e1eca
JA		 3886 {
3887 .name = "thread",
e8b0e958 3888 .lname = "Thread",
214e1eca 3889 .type = FIO_OPT_STR_SET,
a609f12a 3890 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3891 .help = "Use threads instead of processes",
c8931876
JA		 3892#ifdef CONFIG_NO_SHM
3893 .def = "1",
3894 .no_warn_def = 1,
3895#endif
e8b0e958 3896 .category = FIO_OPT_C_GENERAL,
a1f6afec 3897 .group = FIO_OPT_G_PROCESS,
214e1eca 3898 },
3a5db920
JA		 3899 {
3900 .name = "per_job_logs",
cce2fdfe 3901 .lname = "Per Job Logs",
3a5db920 3902 .type = FIO_OPT_BOOL,
a609f12a 3903 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3904 .help = "Include job number in generated log files or not",
3905 .def = "1",
3906 .category = FIO_OPT_C_LOG,
3907 .group = FIO_OPT_G_INVALID,
3908 },
214e1eca
JA		 3909 {
3910 .name = "write_bw_log",
e8b0e958 3911 .lname = "Write bandwidth log",
dded427c 3912 .type = FIO_OPT_STR,
a609f12a 3913 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3914 .cb = str_write_bw_log_cb,
214e1eca 3915 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3916 .category = FIO_OPT_C_LOG,
3917 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3918 },
3919 {
3920 .name = "write_lat_log",
e8b0e958 3921 .lname = "Write latency log",
dded427c 3922 .type = FIO_OPT_STR,
a609f12a 3923 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3924 .cb = str_write_lat_log_cb,
214e1eca 3925 .help = "Write log of latency during run",
e8b0e958
JA		 3926 .category = FIO_OPT_C_LOG,
3927 .group = FIO_OPT_G_INVALID,
214e1eca 3928 },
c8eeb9df
JA		 3929 {
3930 .name = "write_iops_log",
e8b0e958 3931 .lname = "Write IOPS log",
dded427c 3932 .type = FIO_OPT_STR,
a609f12a 3933 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3934 .cb = str_write_iops_log_cb,
c8eeb9df 3935 .help = "Write log of IOPS during run",
e8b0e958
JA		 3936 .category = FIO_OPT_C_LOG,
3937 .group = FIO_OPT_G_INVALID,
c8eeb9df 3938 },
b8bc8cba
JA		 3939 {
3940 .name = "log_avg_msec",
e8b0e958 3941 .lname = "Log averaging (msec)",
b8bc8cba 3942 .type = FIO_OPT_INT,
a609f12a 3943 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3944 .help = "Average bw/iops/lat logs over this period of time",
3945 .def = "0",
e8b0e958 3946 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3947 .group = FIO_OPT_G_INVALID,
3948 },
3949 {
3950 .name = "log_hist_msec",
3951 .lname = "Log histograms (msec)",
3952 .type = FIO_OPT_INT,
a609f12a 3953 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3954 .help = "Dump completion latency histograms at frequency of this time value",
3955 .def = "0",
3956 .category = FIO_OPT_C_LOG,
3957 .group = FIO_OPT_G_INVALID,
3958 },
3959 {
3960 .name = "log_hist_coarseness",
3961 .lname = "Histogram logs coarseness",
3962 .type = FIO_OPT_INT,
a609f12a 3963 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3964 .help = "Integer in range [0,6]. Higher coarseness outputs"
3965 " fewer histogram bins per sample. The number of bins for"
3966 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3967 .def = "0",
3968 .category = FIO_OPT_C_LOG,
3969 .group = FIO_OPT_G_INVALID,
3970 },
3971 {
3972 .name = "write_hist_log",
3973 .lname = "Write latency histogram logs",
dded427c 3974 .type = FIO_OPT_STR,
a609f12a 3975 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3976 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3977 .help = "Write log of latency histograms during run",
3978 .category = FIO_OPT_C_LOG,
e8b0e958 3979 .group = FIO_OPT_G_INVALID,
b8bc8cba 3980 },
e6989e10
JA		 3981 {
3982 .name = "log_max_value",
3983 .lname = "Log maximum instead of average",
3984 .type = FIO_OPT_BOOL,
a609f12a 3985 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3986 .help = "Log max sample in a window instead of average",
3987 .def = "0",
3988 .category = FIO_OPT_C_LOG,
3989 .group = FIO_OPT_G_INVALID,
3990 },
ae588852
JA		 3991 {
3992 .name = "log_offset",
3993 .lname = "Log offset of IO",
3994 .type = FIO_OPT_BOOL,
a609f12a 3995 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3996 .help = "Include offset of IO for each log entry",
3997 .def = "0",
3998 .category = FIO_OPT_C_LOG,
3999 .group = FIO_OPT_G_INVALID,
4000 },
aee2ab67
JA		 4001#ifdef CONFIG_ZLIB
4002 {
4003 .name = "log_compression",
4004 .lname = "Log compression",
4005 .type = FIO_OPT_INT,
a609f12a 4006 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 4007 .help = "Log in compressed chunks of this size",
9919b27b 4008 .minval = 1024ULL,
aee2ab67
JA		 4009 .maxval = 512 * 1024 * 1024ULL,
4010 .category = FIO_OPT_C_LOG,
4011 .group = FIO_OPT_G_INVALID,
4012 },
c08f9fe2
JA		 4013#ifdef FIO_HAVE_CPU_AFFINITY
4014 {
4015 .name = "log_compression_cpus",
4016 .lname = "Log Compression CPUs",
4017 .type = FIO_OPT_STR,
4018 .cb = str_log_cpus_allowed_cb,
a609f12a 4019 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 4020 .parent = "log_compression",
4021 .help = "Limit log compression to these CPUs",
4022 .category = FIO_OPT_C_LOG,
4023 .group = FIO_OPT_G_INVALID,
4024 },
a275c37a
JA		 4025#else
4026 {
4027 .name = "log_compression_cpus",
4028 .lname = "Log Compression CPUs",
4029 .type = FIO_OPT_UNSUPPORTED,
4030 .help = "Your platform does not support CPU affinities",
4031 },
c08f9fe2 4032#endif
b26317c9
JA		 4033 {
4034 .name = "log_store_compressed",
4035 .lname = "Log store compressed",
4036 .type = FIO_OPT_BOOL,
a609f12a 4037 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 4038 .help = "Store logs in a compressed format",
4039 .category = FIO_OPT_C_LOG,
4040 .group = FIO_OPT_G_INVALID,
4041 },
a275c37a
JA		 4042#else
4043 {
4044 .name = "log_compression",
4045 .lname = "Log compression",
4046 .type = FIO_OPT_UNSUPPORTED,
4047 .help = "Install libz-dev(el) to get compression support",
4048 },
4049 {
4050 .name = "log_store_compressed",
4051 .lname = "Log store compressed",
4052 .type = FIO_OPT_UNSUPPORTED,
4053 .help = "Install libz-dev(el) to get compression support",
4054 },
aee2ab67 4055#endif
3aea75b1
KC		 4056 {
4057 .name = "log_unix_epoch",
4058 .lname = "Log epoch unix",
4059 .type = FIO_OPT_BOOL,
4060 .off1 = offsetof(struct thread_options, log_unix_epoch),
4061 .help = "Use Unix time in log files",
4062 .category = FIO_OPT_C_LOG,
4063 .group = FIO_OPT_G_INVALID,
4064 },
66347cfa
DE		 4065 {
4066 .name = "block_error_percentiles",
4067 .lname = "Block error percentiles",
4068 .type = FIO_OPT_BOOL,
a609f12a 4069 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 4070 .help = "Record trim block errors and make a histogram",
4071 .def = "0",
4072 .category = FIO_OPT_C_LOG,
4073 .group = FIO_OPT_G_INVALID,
4074 },
c504ee55
JA		 4075 {
4076 .name = "bwavgtime",
4077 .lname = "Bandwidth average time",
4078 .type = FIO_OPT_INT,
a609f12a 4079 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 4080 .help = "Time window over which to calculate bandwidth"
4081 " (msec)",
4082 .def = "500",
4083 .parent = "write_bw_log",
4084 .hide = 1,
4085 .interval = 100,
4086 .category = FIO_OPT_C_LOG,
4087 .group = FIO_OPT_G_INVALID,
4088 },
4089 {
4090 .name = "iopsavgtime",
4091 .lname = "IOPS average time",
4092 .type = FIO_OPT_INT,
a609f12a 4093 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 4094 .help = "Time window over which to calculate IOPS (msec)",
4095 .def = "500",
4096 .parent = "write_iops_log",
4097 .hide = 1,
4098 .interval = 100,
4099 .category = FIO_OPT_C_LOG,
4100 .group = FIO_OPT_G_INVALID,
4101 },
214e1eca
JA		 4102 {
4103 .name = "group_reporting",
e8b0e958 4104 .lname = "Group reporting",
d2507043 4105 .type = FIO_OPT_STR_SET,
a609f12a 4106 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 4107 .help = "Do reporting on a per-group basis",
10860056 4108 .category = FIO_OPT_C_STAT,
e8b0e958 4109 .group = FIO_OPT_G_INVALID,
214e1eca 4110 },
8243be59
JA		 4111 {
4112 .name = "stats",
4113 .lname = "Stats",
4114 .type = FIO_OPT_BOOL,
4115 .off1 = offsetof(struct thread_options, stats),
4116 .help = "Enable collection of stats",
4117 .def = "1",
4118 .category = FIO_OPT_C_STAT,
4119 .group = FIO_OPT_G_INVALID,
4120 },
e9459e5a
JA		 4121 {
4122 .name = "zero_buffers",
e8b0e958 4123 .lname = "Zero I/O buffers",
e9459e5a 4124 .type = FIO_OPT_STR_SET,
a609f12a 4125 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4126 .help = "Init IO buffers to all zeroes",
e8b0e958 4127 .category = FIO_OPT_C_IO,
3ceb458f 4128 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4129 },
5973cafb
JA		 4130 {
4131 .name = "refill_buffers",
e8b0e958 4132 .lname = "Refill I/O buffers",
5973cafb 4133 .type = FIO_OPT_STR_SET,
a609f12a 4134 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4135 .help = "Refill IO buffers on every IO submit",
e8b0e958 4136 .category = FIO_OPT_C_IO,
3ceb458f 4137 .group = FIO_OPT_G_IO_BUF,
5973cafb 4138 },
fd68418e
JA		 4139 {
4140 .name = "scramble_buffers",
e8b0e958 4141 .lname = "Scramble I/O buffers",
fd68418e 4142 .type = FIO_OPT_BOOL,
a609f12a 4143 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4144 .help = "Slightly scramble buffers on every IO submit",
4145 .def = "1",
e8b0e958 4146 .category = FIO_OPT_C_IO,
3ceb458f 4147 .group = FIO_OPT_G_IO_BUF,
fd68418e 4148 },
ce35b1ec
JA		 4149 {
4150 .name = "buffer_pattern",
4151 .lname = "Buffer pattern",
4152 .type = FIO_OPT_STR,
4153 .cb = str_buffer_pattern_cb,
a609f12a 4154 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4155 .help = "Fill pattern for IO buffers",
4156 .category = FIO_OPT_C_IO,
4157 .group = FIO_OPT_G_IO_BUF,
4158 },
9c42684e
JA		 4159 {
4160 .name = "buffer_compress_percentage",
e8b0e958 4161 .lname = "Buffer compression percentage",
9c42684e 4162 .type = FIO_OPT_INT,
bedc9dc2 4163 .cb = str_buffer_compress_cb,
a609f12a 4164 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4165 .maxval = 100,
e7f5de90 4166 .minval = 0,
9c42684e 4167 .help = "How compressible the buffer is (approximately)",
20eb06bd 4168 .interval = 5,
e8b0e958 4169 .category = FIO_OPT_C_IO,
3ceb458f 4170 .group = FIO_OPT_G_IO_BUF,
9c42684e 4171 },
f97a43a1
JA		 4172 {
4173 .name = "buffer_compress_chunk",
e8b0e958 4174 .lname = "Buffer compression chunk size",
f97a43a1 4175 .type = FIO_OPT_INT,
a609f12a 4176 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4177 .parent = "buffer_compress_percentage",
d71c154c 4178 .hide = 1,
f97a43a1 4179 .help = "Size of compressible region in buffer",
1de80624 4180 .def = "512",
20eb06bd 4181 .interval = 256,
e8b0e958 4182 .category = FIO_OPT_C_IO,
3ceb458f 4183 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4184 },
5c94b008
JA		 4185 {
4186 .name = "dedupe_percentage",
4187 .lname = "Dedupe percentage",
4188 .type = FIO_OPT_INT,
4189 .cb = str_dedupe_cb,
a609f12a 4190 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4191 .maxval = 100,
4192 .minval = 0,
4193 .help = "Percentage of buffers that are dedupable",
4194 .interval = 1,
4195 .category = FIO_OPT_C_IO,
4196 .group = FIO_OPT_G_IO_BUF,
4197 },
83349190
YH		 4198 {
4199 .name = "clat_percentiles",
e8b0e958 4200 .lname = "Completion latency percentiles",
83349190 4201 .type = FIO_OPT_BOOL,
a609f12a 4202 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4203 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4204 .def = "1",
b599759b
JA		 4205 .inverse = "lat_percentiles",
4206 .category = FIO_OPT_C_STAT,
4207 .group = FIO_OPT_G_INVALID,
4208 },
4209 {
4210 .name = "lat_percentiles",
4211 .lname = "IO latency percentiles",
4212 .type = FIO_OPT_BOOL,
4213 .off1 = offsetof(struct thread_options, lat_percentiles),
4214 .help = "Enable the reporting of IO latency percentiles",
4215 .def = "0",
4216 .inverse = "clat_percentiles",
e8b0e958
JA		 4217 .category = FIO_OPT_C_STAT,
4218 .group = FIO_OPT_G_INVALID,
83349190
YH		 4219 },
4220 {
4221 .name = "percentile_list",
66347cfa 4222 .lname = "Percentile list",
83349190 4223 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4224 .off1 = offsetof(struct thread_options, percentile_list),
4225 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4226 .help = "Specify a custom list of percentiles to report for "
4227 "completion latency and block errors",
fd112d34 4228 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4229 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4230 .minfp = 0.0,
4231 .maxfp = 100.0,
e8b0e958
JA		 4232 .category = FIO_OPT_C_STAT,
4233 .group = FIO_OPT_G_INVALID,
e883cb35
JF		 4234 },
4235 {
4236 .name = "significant_figures",
4237 .lname = "Significant figures",
4238 .type = FIO_OPT_INT,
4239 .off1 = offsetof(struct thread_options, sig_figs),
4240 .maxval = 10,
4241 .minval = 1,
4242 .help = "Significant figures for output-format set to normal",
4243 .def = "4",
4244 .interval = 1,
4245 .category = FIO_OPT_C_STAT,
4246 .group = FIO_OPT_G_INVALID,
83349190
YH		 4247 },
4248
0a839f30
JA		 4249#ifdef FIO_HAVE_DISK_UTIL
4250 {
4251 .name = "disk_util",
e8b0e958 4252 .lname = "Disk utilization",
0a839f30 4253 .type = FIO_OPT_BOOL,
a609f12a 4254 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4255 .help = "Log disk utilization statistics",
0a839f30 4256 .def = "1",
e8b0e958
JA		 4257 .category = FIO_OPT_C_STAT,
4258 .group = FIO_OPT_G_INVALID,
0a839f30 4259 },
a275c37a
JA		 4260#else
4261 {
4262 .name = "disk_util",
4263 .lname = "Disk utilization",
4264 .type = FIO_OPT_UNSUPPORTED,
4265 .help = "Your platform does not support disk utilization",
4266 },
0a839f30 4267#endif
993bf48b
JA		 4268 {
4269 .name = "gtod_reduce",
e8b0e958 4270 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4271 .type = FIO_OPT_BOOL,
4272 .help = "Greatly reduce number of gettimeofday() calls",
4273 .cb = str_gtod_reduce_cb,
4274 .def = "0",
a4ed77fe 4275 .hide_on_set = 1,
e8b0e958
JA		 4276 .category = FIO_OPT_C_STAT,
4277 .group = FIO_OPT_G_INVALID,
993bf48b 4278 },
02af0988
JA		 4279 {
4280 .name = "disable_lat",
e8b0e958 4281 .lname = "Disable all latency stats",
02af0988 4282 .type = FIO_OPT_BOOL,
a609f12a 4283 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4284 .help = "Disable latency numbers",
4285 .parent = "gtod_reduce",
d71c154c 4286 .hide = 1,
02af0988 4287 .def = "0",
e8b0e958
JA		 4288 .category = FIO_OPT_C_STAT,
4289 .group = FIO_OPT_G_INVALID,
02af0988 4290 },
9520ebb9
JA		 4291 {
4292 .name = "disable_clat",
e8b0e958 4293 .lname = "Disable completion latency stats",
9520ebb9 4294 .type = FIO_OPT_BOOL,
a609f12a 4295 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4296 .help = "Disable completion latency numbers",
993bf48b 4297 .parent = "gtod_reduce",
d71c154c 4298 .hide = 1,
9520ebb9 4299 .def = "0",
e8b0e958
JA		 4300 .category = FIO_OPT_C_STAT,
4301 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4302 },
4303 {
4304 .name = "disable_slat",
e8b0e958 4305 .lname = "Disable submission latency stats",
9520ebb9 4306 .type = FIO_OPT_BOOL,
a609f12a 4307 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4308 .help = "Disable submission latency numbers",
993bf48b 4309 .parent = "gtod_reduce",
d71c154c 4310 .hide = 1,
9520ebb9 4311 .def = "0",
e8b0e958
JA		 4312 .category = FIO_OPT_C_STAT,
4313 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4314 },
4315 {
4316 .name = "disable_bw_measurement",
afd2ceff 4317 .alias = "disable_bw",
e8b0e958 4318 .lname = "Disable bandwidth stats",
9520ebb9 4319 .type = FIO_OPT_BOOL,
a609f12a 4320 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4321 .help = "Disable bandwidth logging",
993bf48b 4322 .parent = "gtod_reduce",
d71c154c 4323 .hide = 1,
9520ebb9 4324 .def = "0",
e8b0e958
JA		 4325 .category = FIO_OPT_C_STAT,
4326 .group = FIO_OPT_G_INVALID,
9520ebb9 4327 },
be4ecfdf
JA		 4328 {
4329 .name = "gtod_cpu",
e8b0e958 4330 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4331 .type = FIO_OPT_INT,
a609f12a 4332 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4333 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4334 .verify = gtod_cpu_verify,
e8b0e958 4335 .category = FIO_OPT_C_GENERAL,
10860056 4336 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4337 },
771e58be
JA		 4338 {
4339 .name = "unified_rw_reporting",
cce2fdfe 4340 .lname = "Unified RW Reporting",
771e58be 4341 .type = FIO_OPT_BOOL,
a609f12a 4342 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4343 .help = "Unify reporting across data direction",
4344 .def = "0",
90b7a96d
JA		 4345 .category = FIO_OPT_C_GENERAL,
4346 .group = FIO_OPT_G_INVALID,
771e58be 4347 },
f2bba182
RR		 4348 {
4349 .name = "continue_on_error",
e8b0e958 4350 .lname = "Continue on error",
06842027 4351 .type = FIO_OPT_STR,
a609f12a 4352 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4353 .help = "Continue on non-fatal errors during IO",
06842027 4354 .def = "none",
e8b0e958 4355 .category = FIO_OPT_C_GENERAL,
bc3f552f 4356 .group = FIO_OPT_G_ERR,
06842027
SL		 4357 .posval = {
4358 { .ival = "none",
4359 .oval = ERROR_TYPE_NONE,
4360 .help = "Exit when an error is encountered",
4361 },
4362 { .ival = "read",
4363 .oval = ERROR_TYPE_READ,
4364 .help = "Continue on read errors only",
4365 },
4366 { .ival = "write",
4367 .oval = ERROR_TYPE_WRITE,
4368 .help = "Continue on write errors only",
4369 },
4370 { .ival = "io",
4371 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4372 .help = "Continue on any IO errors",
4373 },
4374 { .ival = "verify",
4375 .oval = ERROR_TYPE_VERIFY,
4376 .help = "Continue on verify errors only",
4377 },
4378 { .ival = "all",
4379 .oval = ERROR_TYPE_ANY,
4380 .help = "Continue on all io and verify errors",
4381 },
4382 { .ival = "0",
4383 .oval = ERROR_TYPE_NONE,
4384 .help = "Alias for 'none'",
4385 },
4386 { .ival = "1",
4387 .oval = ERROR_TYPE_ANY,
4388 .help = "Alias for 'all'",
4389 },
4390 },
f2bba182 4391 },
8b28bd41
DM		 4392 {
4393 .name = "ignore_error",
cce2fdfe 4394 .lname = "Ignore Error",
8b28bd41
DM		 4395 .type = FIO_OPT_STR,
4396 .cb = str_ignore_error_cb,
a609f12a 4397 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4398 .help = "Set a specific list of errors to ignore",
4399 .parent = "rw",
a94eb99a 4400 .category = FIO_OPT_C_GENERAL,
bc3f552f 4401 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4402 },
4403 {
4404 .name = "error_dump",
cce2fdfe 4405 .lname = "Error Dump",
8b28bd41 4406 .type = FIO_OPT_BOOL,
a609f12a 4407 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4408 .def = "0",
4409 .help = "Dump info on each error",
a94eb99a 4410 .category = FIO_OPT_C_GENERAL,
bc3f552f 4411 .group = FIO_OPT_G_ERR,
8b28bd41 4412 },
9ac8a797
JA		 4413 {
4414 .name = "profile",
e8b0e958 4415 .lname = "Profile",
79d16311 4416 .type = FIO_OPT_STR_STORE,
a609f12a 4417 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4418 .help = "Select a specific builtin performance test",
13fca827 4419 .category = FIO_OPT_C_PROFILE,
e8b0e958 4420 .group = FIO_OPT_G_INVALID,
9ac8a797 4421 },
a696fa2a
JA		 4422 {
4423 .name = "cgroup",
e8b0e958 4424 .lname = "Cgroup",
a696fa2a 4425 .type = FIO_OPT_STR_STORE,
a609f12a 4426 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4427 .help = "Add job to cgroup of this name",
e8b0e958 4428 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4429 .group = FIO_OPT_G_CGROUP,
4430 },
4431 {
4432 .name = "cgroup_nodelete",
4433 .lname = "Cgroup no-delete",
4434 .type = FIO_OPT_BOOL,
a609f12a 4435 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4436 .help = "Do not delete cgroups after job completion",
4437 .def = "0",
4438 .parent = "cgroup",
4439 .category = FIO_OPT_C_GENERAL,
4440 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4441 },
4442 {
4443 .name = "cgroup_weight",
e8b0e958 4444 .lname = "Cgroup weight",
a696fa2a 4445 .type = FIO_OPT_INT,
a609f12a 4446 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4447 .help = "Use given weight for cgroup",
4448 .minval = 100,
4449 .maxval = 1000,
a1f6afec 4450 .parent = "cgroup",
e8b0e958 4451 .category = FIO_OPT_C_GENERAL,
a1f6afec 4452 .group = FIO_OPT_G_CGROUP,
7de87099 4453 },
e0b0d892
JA		 4454 {
4455 .name = "uid",
e8b0e958 4456 .lname = "User ID",
e0b0d892 4457 .type = FIO_OPT_INT,
a609f12a 4458 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4459 .help = "Run job with this user ID",
e8b0e958 4460 .category = FIO_OPT_C_GENERAL,
10860056 4461 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4462 },
4463 {
4464 .name = "gid",
e8b0e958 4465 .lname = "Group ID",
e0b0d892 4466 .type = FIO_OPT_INT,
a609f12a 4467 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4468 .help = "Run job with this group ID",
e8b0e958 4469 .category = FIO_OPT_C_GENERAL,
10860056 4470 .group = FIO_OPT_G_CRED,
e0b0d892 4471 },
a1f6afec
JA		 4472 {
4473 .name = "kb_base",
4474 .lname = "KB Base",
4475 .type = FIO_OPT_INT,
a609f12a 4476 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4477 .prio = 1,
4478 .def = "1024",
ba9c7219
JA		 4479 .posval = {
4480 { .ival = "1024",
4481 .oval = 1024,
d694a6a7 4482 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4483 },
4484 { .ival = "1000",
4485 .oval = 1000,
d694a6a7 4486 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4487 },
4488 },
d694a6a7 4489 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4490 .category = FIO_OPT_C_GENERAL,
4491 .group = FIO_OPT_G_INVALID,
4492 },
cf3a0518
JA		 4493 {
4494 .name = "unit_base",
d694a6a7 4495 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4496 .type = FIO_OPT_INT,
a609f12a 4497 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4498 .prio = 1,
71a08258
JA		 4499 .posval = {
4500 { .ival = "0",
41a87019 4501 .oval = N2S_NONE,
71a08258
JA		 4502 .help = "Auto-detect",
4503 },
4504 { .ival = "8",
41a87019 4505 .oval = N2S_BYTEPERSEC,
71a08258
JA		 4506 .help = "Normal (byte based)",
4507 },
4508 { .ival = "1",
41a87019 4509 .oval = N2S_BITPERSEC,
71a08258
JA		 4510 .help = "Bit based",
4511 },
4512 },
cf3a0518
JA		 4513 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4514 .category = FIO_OPT_C_GENERAL,
4515 .group = FIO_OPT_G_INVALID,
4516 },
3ceb458f
JA		 4517 {
4518 .name = "hugepage-size",
4519 .lname = "Hugepage size",
4520 .type = FIO_OPT_INT,
a609f12a 4521 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4522 .help = "When using hugepages, specify size of each page",
4523 .def = __fio_stringify(FIO_HUGE_PAGE),
4524 .interval = 1024 * 1024,
4525 .category = FIO_OPT_C_GENERAL,
4526 .group = FIO_OPT_G_INVALID,
4527 },
9e684a49
DE		 4528 {
4529 .name = "flow_id",
e8b0e958 4530 .lname = "I/O flow ID",
9e684a49 4531 .type = FIO_OPT_INT,
a609f12a 4532 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4533 .help = "The flow index ID to use",
4534 .def = "0",
e8b0e958
JA		 4535 .category = FIO_OPT_C_IO,
4536 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4537 },
4538 {
4539 .name = "flow",
e8b0e958 4540 .lname = "I/O flow weight",
9e684a49 4541 .type = FIO_OPT_INT,
a609f12a 4542 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4543 .help = "Weight for flow control of this job",
4544 .parent = "flow_id",
d71c154c 4545 .hide = 1,
9e684a49 4546 .def = "0",
e8b0e958
JA		 4547 .category = FIO_OPT_C_IO,
4548 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4549 },
4550 {
4551 .name = "flow_watermark",
e8b0e958 4552 .lname = "I/O flow watermark",
9e684a49 4553 .type = FIO_OPT_INT,
a609f12a 4554 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4555 .help = "High watermark for flow control. This option"
4556 " should be set to the same value for all threads"
4557 " with non-zero flow.",
4558 .parent = "flow_id",
d71c154c 4559 .hide = 1,
9e684a49 4560 .def = "1024",
e8b0e958
JA		 4561 .category = FIO_OPT_C_IO,
4562 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4563 },
4564 {
4565 .name = "flow_sleep",
e8b0e958 4566 .lname = "I/O flow sleep",
9e684a49 4567 .type = FIO_OPT_INT,
a609f12a 4568 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4569 .help = "How many microseconds to sleep after being held"
4570 " back by the flow control mechanism",
4571 .parent = "flow_id",
d71c154c 4572 .hide = 1,
9e684a49 4573 .def = "0",
e8b0e958
JA		 4574 .category = FIO_OPT_C_IO,
4575 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4576 },
16e56d25
VF		 4577 {
4578 .name = "steadystate",
4579 .lname = "Steady state threshold",
4580 .alias = "ss",
4581 .type = FIO_OPT_STR,
2c5d94bc 4582 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4583 .cb = str_steadystate_cb,
4584 .help = "Define the criterion and limit to judge when a job has reached steady state",
4585 .def = "iops_slope:0.01%",
4586 .posval = {
4587 { .ival = "iops",
f0c50c66 4588 .oval = FIO_SS_IOPS,
16e56d25
VF		 4589 .help = "maximum mean deviation of IOPS measurements",
4590 },
4591 { .ival = "iops_slope",
f0c50c66 4592 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4593 .help = "slope calculated from IOPS measurements",
4594 },
4595 { .ival = "bw",
f0c50c66 4596 .oval = FIO_SS_BW,
16e56d25
VF		 4597 .help = "maximum mean deviation of bandwidth measurements",
4598 },
4599 {
4600 .ival = "bw_slope",
f0c50c66 4601 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4602 .help = "slope calculated from bandwidth measurements",
4603 },
4604 },
4605 .category = FIO_OPT_C_GENERAL,
4606 .group = FIO_OPT_G_RUNTIME,
4607 },
4608 {
4609 .name = "steadystate_duration",
4610 .lname = "Steady state duration",
4611 .alias = "ss_dur",
915ca980 4612 .parent = "steadystate",
16e56d25
VF		 4613 .type = FIO_OPT_STR_VAL_TIME,
4614 .off1 = offsetof(struct thread_options, ss_dur),
4615 .help = "Stop workload upon attaining steady state for specified duration",
4616 .def = "0",
4617 .is_seconds = 1,
4618 .is_time = 1,
4619 .category = FIO_OPT_C_GENERAL,
4620 .group = FIO_OPT_G_RUNTIME,
4621 },
4622 {
4623 .name = "steadystate_ramp_time",
4624 .lname = "Steady state ramp time",
4625 .alias = "ss_ramp",
915ca980 4626 .parent = "steadystate",
16e56d25
VF		 4627 .type = FIO_OPT_STR_VAL_TIME,
4628 .off1 = offsetof(struct thread_options, ss_ramp_time),
4629 .help = "Delay before initiation of data collection for steady state job termination testing",
4630 .def = "0",
4631 .is_seconds = 1,
4632 .is_time = 1,
4633 .category = FIO_OPT_C_GENERAL,
4634 .group = FIO_OPT_G_RUNTIME,
4635 },
214e1eca
JA		 4636 {
4637 .name = NULL,
4638 },
4639};
4640
17af15d4 4641static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4642 const char *name, int val)
9f81736c 4643{
17af15d4 4644 lopt->name = (char *) name;
de890a1e 4645 lopt->val = val;
9f81736c 4646 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4647 lopt->has_arg = optional_argument;
9f81736c
JA		 4648 else
4649 lopt->has_arg = required_argument;
4650}
4651
de890a1e
SL		 4652static void options_to_lopts(struct fio_option *opts,
4653 struct option *long_options,
4654 int i, int option_type)
214e1eca 4655{
de890a1e 4656 struct fio_option *o = &opts[0];
214e1eca 4657 while (o->name) {
de890a1e 4658 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4659 if (o->alias) {
4660 i++;
de890a1e 4661 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4662 }
214e1eca
JA		 4663
4664 i++;
4665 o++;
4666 assert(i < FIO_NR_OPTIONS);
4667 }
4668}
4669
de890a1e
SL		 4670void fio_options_set_ioengine_opts(struct option *long_options,
4671 struct thread_data *td)
4672{
4673 unsigned int i;
4674
4675 i = 0;
4676 while (long_options[i].name) {
4677 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4678 memset(&long_options[i], 0, sizeof(*long_options));
4679 break;
4680 }
4681 i++;
4682 }
4683
4684 /*
4685 * Just clear out the prior ioengine options.
4686 */
4687 if (!td || !td->eo)
4688 return;
4689
4690 options_to_lopts(td->io_ops->options, long_options, i,
4691 FIO_GETOPT_IOENGINE);
4692}
4693
4694void fio_options_dup_and_init(struct option *long_options)
4695{
4696 unsigned int i;
4697
9af4a244 4698 options_init(fio_options);
de890a1e
SL		 4699
4700 i = 0;
4701 while (long_options[i].name)
4702 i++;
4703
9af4a244 4704 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4705}
4706
74929ac2
JA		 4707struct fio_keyword {
4708 const char *word;
4709 const char *desc;
4710 char *replace;
4711};
4712
4713static struct fio_keyword fio_keywords[] = {
4714 {
4715 .word = "$pagesize",
4716 .desc = "Page size in the system",
4717 },
4718 {
4719 .word = "$mb_memory",
4720 .desc = "Megabytes of memory online",
4721 },
4722 {
4723 .word = "$ncpus",
4724 .desc = "Number of CPUs online in the system",
4725 },
4726 {
4727 .word = NULL,
4728 },
4729};
4730
af1dc266
JA		 4731void fio_keywords_exit(void)
4732{
4733 struct fio_keyword *kw;
4734
4735 kw = &fio_keywords[0];
4736 while (kw->word) {
4737 free(kw->replace);
4738 kw->replace = NULL;
4739 kw++;
4740 }
4741}
4742
74929ac2
JA		 4743void fio_keywords_init(void)
4744{
3b2e1464 4745 unsigned long long mb_memory;
74929ac2
JA		 4746 char buf[128];
4747 long l;
4748
a4cfc477 4749 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4750 fio_keywords[0].replace = strdup(buf);
4751
8eb016d3 4752 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4753 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4754 fio_keywords[1].replace = strdup(buf);
4755
c00a2289 4756 l = cpus_online();
74929ac2
JA		 4757 sprintf(buf, "%lu", l);
4758 fio_keywords[2].replace = strdup(buf);
4759}
4760
892a6ffc
JA		 4761#define BC_APP "bc"
4762
4763static char *bc_calc(char *str)
4764{
d0c814ec 4765 char buf[128], *tmp;
892a6ffc
JA		 4766 FILE *f;
4767 int ret;
4768
4769 /*
4770 * No math, just return string
4771 */
d0c814ec
SL		 4772 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4773 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4774 return str;
4775
4776 /*
4777 * Split option from value, we only need to calculate the value
4778 */
4779 tmp = strchr(str, '=');
4780 if (!tmp)
4781 return str;
4782
4783 tmp++;
892a6ffc 4784
d0c814ec
SL		 4785 /*
4786 * Prevent buffer overflows; such a case isn't reasonable anyway
4787 */
4788 if (strlen(str) >= 128 || strlen(tmp) > 100)
4789 return str;
892a6ffc
JA		 4790
4791 sprintf(buf, "which %s > /dev/null", BC_APP);
4792 if (system(buf)) {
4793 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4794 return NULL;
4795 }
4796
d0c814ec 4797 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4798 f = popen(buf, "r");
3c3ed070 4799 if (!f)
892a6ffc 4800 return NULL;
892a6ffc 4801
d0c814ec 4802 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4803 if (ret <= 0) {
4804 pclose(f);
892a6ffc 4805 return NULL;
1d824f37 4806 }
892a6ffc 4807
892a6ffc 4808 pclose(f);
d0c814ec
SL		 4809 buf[(tmp - str) + ret - 1] = '\0';
4810 memcpy(buf, str, tmp - str);
892a6ffc 4811 free(str);
d0c814ec
SL		 4812 return strdup(buf);
4813}
4814
4815/*
4816 * Return a copy of the input string with substrings of the form ${VARNAME}
4817 * substituted with the value of the environment variable VARNAME. The
4818 * substitution always occurs, even if VARNAME is empty or the corresponding
4819 * environment variable undefined.
4820 */
b4f5e72f 4821char *fio_option_dup_subs(const char *opt)
d0c814ec
SL		 4822{
4823 char out[OPT_LEN_MAX+1];
4824 char in[OPT_LEN_MAX+1];
4825 char *outptr = out;
4826 char *inptr = in;
4827 char *ch1, *ch2, *env;
4828 ssize_t nchr = OPT_LEN_MAX;
4829 size_t envlen;
4830
4831 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4832 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4833 return NULL;
4834 }
4835
4836 in[OPT_LEN_MAX] = '\0';
4837 strncpy(in, opt, OPT_LEN_MAX);
4838
4839 while (*inptr && nchr > 0) {
4840 if (inptr[0] == '$' && inptr[1] == '{') {
4841 ch2 = strchr(inptr, '}');
4842 if (ch2 && inptr+1 < ch2) {
4843 ch1 = inptr+2;
4844 inptr = ch2+1;
4845 *ch2 = '\0';
4846
4847 env = getenv(ch1);
4848 if (env) {
4849 envlen = strlen(env);
4850 if (envlen <= nchr) {
4851 memcpy(outptr, env, envlen);
4852 outptr += envlen;
4853 nchr -= envlen;
4854 }
4855 }
4856
4857 continue;
4858 }
4859 }
4860
4861 *outptr++ = *inptr++;
4862 --nchr;
4863 }
4864
4865 *outptr = '\0';
4866 return strdup(out);
892a6ffc
JA		 4867}
4868
74929ac2
JA		 4869/*
4870 * Look for reserved variable names and replace them with real values
4871 */
4872static char *fio_keyword_replace(char *opt)
4873{
4874 char *s;
4875 int i;
d0c814ec 4876 int docalc = 0;
74929ac2
JA		 4877
4878 for (i = 0; fio_keywords[i].word != NULL; i++) {
4879 struct fio_keyword *kw = &fio_keywords[i];
4880
4881 while ((s = strstr(opt, kw->word)) != NULL) {
4882 char *new = malloc(strlen(opt) + 1);
4883 char *o_org = opt;
4884 int olen = s - opt;
4885 int len;
4886
4887 /*
4888 * Copy part of the string before the keyword and
4889 * sprintf() the replacement after it.
4890 */
4891 memcpy(new, opt, olen);
4892 len = sprintf(new + olen, "%s", kw->replace);
4893
4894 /*
4895 * If there's more in the original string, copy that
4896 * in too
4897 */
4898 opt += strlen(kw->word) + olen;
4899 if (strlen(opt))
4900 memcpy(new + olen + len, opt, opt - o_org - 1);
4901
4902 /*
4903 * replace opt and free the old opt
4904 */
4905 opt = new;
d0c814ec 4906 free(o_org);
7a958bd5 4907
d0c814ec 4908 docalc = 1;
74929ac2
JA		 4909 }
4910 }
4911
d0c814ec
SL		 4912 /*
4913 * Check for potential math and invoke bc, if possible
4914 */
4915 if (docalc)
4916 opt = bc_calc(opt);
4917
7a958bd5 4918 return opt;
74929ac2
JA		 4919}
4920
d0c814ec
SL		 4921static char **dup_and_sub_options(char **opts, int num_opts)
4922{
4923 int i;
4924 char **opts_copy = malloc(num_opts * sizeof(*opts));
4925 for (i = 0; i < num_opts; i++) {
b4f5e72f 4926 opts_copy[i] = fio_option_dup_subs(opts[i]);
d0c814ec
SL		 4927 if (!opts_copy[i])
4928 continue;
4929 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4930 }
4931 return opts_copy;
4932}
4933
e15b023b 4934static void show_closest_option(const char *opt)
a2d027b9
JA		 4935{
4936 int best_option, best_distance;
4937 int i, distance;
e15b023b
JA		 4938 char *name;
4939
4940 if (!strlen(opt))
4941 return;
4942
4943 name = strdup(opt);
4944 i = 0;
4945 while (name[i] != '\0' && name[i] != '=')
4946 i++;
4947 name[i] = '\0';
a2d027b9
JA		 4948
4949 best_option = -1;
4950 best_distance = INT_MAX;
4951 i = 0;
4952 while (fio_options[i].name) {
4953 distance = string_distance(name, fio_options[i].name);
4954 if (distance < best_distance) {
4955 best_distance = distance;
4956 best_option = i;
4957 }
4958 i++;
4959 }
4960
75e6bcba
JA		 4961 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4962 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4963 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4964
4965 free(name);
a2d027b9
JA		 4966}
4967
c2292325 4968int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4969{
de890a1e 4970 int i, ret, unknown;
d0c814ec 4971 char **opts_copy;
3b8b7135 4972
9af4a244 4973 sort_options(opts, fio_options, num_opts);
d0c814ec 4974 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4975
de890a1e 4976 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
9109883a 4977 const struct fio_option *o;
9af4a244 4978 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4979 &o, &td->o, &td->opt_list);
d0c814ec 4980
a8523a6a
JA		 4981 if (!newret && o)
4982 fio_option_mark_set(&td->o, o);
4983
de890a1e
SL		 4984 if (opts_copy[i]) {
4985 if (newret && !o) {
4986 unknown++;
4987 continue;
4988 }
d0c814ec 4989 free(opts_copy[i]);
de890a1e
SL		 4990 opts_copy[i] = NULL;
4991 }
4992
4993 ret |= newret;
4994 }
4995
4996 if (unknown) {
4997 ret |= ioengine_load(td);
4998 if (td->eo) {
4999 sort_options(opts_copy, td->io_ops->options, num_opts);
5000 opts = opts_copy;
5001 }
5002 for (i = 0; i < num_opts; i++) {
9109883a 5003 const struct fio_option *o = NULL;
de890a1e 5004 int newret = 1;
a2d027b9 5005
de890a1e
SL		 5006 if (!opts_copy[i])
5007 continue;
5008
5009 if (td->eo)
5010 newret = parse_option(opts_copy[i], opts[i],
5011 td->io_ops->options, &o,
66e19a38 5012 td->eo, &td->opt_list);
de890a1e
SL		 5013
5014 ret |= newret;
a2d027b9 5015 if (!o) {
de890a1e 5016 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 5017 show_closest_option(opts[i]);
5018 }
de890a1e
SL		 5019 free(opts_copy[i]);
5020 opts_copy[i] = NULL;
5021 }
74929ac2 5022 }
3b8b7135 5023
d0c814ec 5024 free(opts_copy);
3b8b7135 5025 return ret;
214e1eca
JA		 5026}
5027
5028int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
5029{
a8523a6a
JA		 5030 int ret;
5031
a609f12a 5032 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a 5033 if (!ret) {
9109883a 5034 const struct fio_option *o;
a8523a6a 5035
9109883a 5036 o = find_option_c(fio_options, opt);
a8523a6a
JA		 5037 if (o)
5038 fio_option_mark_set(&td->o, o);
5039 }
5040
5041 return ret;
214e1eca
JA		 5042}
5043
de890a1e
SL		 5044int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
5045 char *val)
5046{
d8b4f395
JA		 5047 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
5048 &td->opt_list);
de890a1e
SL		 5049}
5050
214e1eca
JA		 5051void fio_fill_default_options(struct thread_data *td)
5052{
cb1402d6 5053 td->o.magic = OPT_MAGIC;
a609f12a 5054 fill_default_options(&td->o, fio_options);
214e1eca
JA		 5055}
5056
5057int fio_show_option_help(const char *opt)
5058{
9af4a244 5059 return show_cmd_help(fio_options, opt);
214e1eca 5060}
d23bb327 5061
de890a1e
SL		 5062/*
5063 * dupe FIO_OPT_STR_STORE options
5064 */
5065void fio_options_mem_dupe(struct thread_data *td)
5066{
53b5693d 5067 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 5068
5069 if (td->eo && td->io_ops) {
de890a1e 5070 void *oldeo = td->eo;
1647f592 5071
de890a1e
SL		 5072 td->eo = malloc(td->io_ops->option_struct_size);
5073 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 5074 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 5075 }
5076}
5077
d6978a32
JA		 5078unsigned int fio_get_kb_base(void *data)
5079{
a609f12a
JA		 5080 struct thread_data *td = cb_data_to_td(data);
5081 struct thread_options *o = &td->o;
d6978a32
JA		 5082 unsigned int kb_base = 0;
5083
cb1402d6
JA		 5084 /*
5085 * This is a hack... For private options, *data is not holding
5086 * a pointer to the thread_options, but to private data. This means
5087 * we can't safely dereference it, but magic is first so mem wise
5088 * it is valid. But this also means that if the job first sets
5089 * kb_base and expects that to be honored by private options,
5090 * it will be disappointed. We will return the global default
5091 * for this.
5092 */
5093 if (o && o->magic == OPT_MAGIC)
83ea422a 5094 kb_base = o->kb_base;
d6978a32
JA		 5095 if (!kb_base)
5096 kb_base = 1024;
5097
5098 return kb_base;
5099}
9f988e2e 5100
9109883a 5101int add_option(const struct fio_option *o)
9f988e2e 5102{
07b3232d
JA		 5103 struct fio_option *__o;
5104 int opt_index = 0;
5105
9af4a244 5106 __o = fio_options;
07b3232d
JA		 5107 while (__o->name) {
5108 opt_index++;
5109 __o++;
5110 }
5111
7b504edd
JA		 5112 if (opt_index + 1 == FIO_MAX_OPTS) {
5113 log_err("fio: FIO_MAX_OPTS is too small\n");
5114 return 1;
5115 }
5116
9af4a244 5117 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 5118 fio_options[opt_index + 1].name = NULL;
07b3232d 5119 return 0;
9f988e2e 5120}
e2de69da 5121
07b3232d 5122void invalidate_profile_options(const char *prof_name)
e2de69da 5123{
07b3232d 5124 struct fio_option *o;
e2de69da 5125
9af4a244 5126 o = fio_options;
07b3232d
JA		 5127 while (o->name) {
5128 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5129 o->type = FIO_OPT_INVALID;
5130 o->prof_name = NULL;
5131 }
5132 o++;
e2de69da
JA		 5133 }
5134}
f5b6bb85
JA		 5135
5136void add_opt_posval(const char *optname, const char *ival, const char *help)
5137{
5138 struct fio_option *o;
5139 unsigned int i;
5140
9af4a244 5141 o = find_option(fio_options, optname);
f5b6bb85
JA		 5142 if (!o)
5143 return;
5144
5145 for (i = 0; i < PARSE_MAX_VP; i++) {
5146 if (o->posval[i].ival)
5147 continue;
5148
5149 o->posval[i].ival = ival;
5150 o->posval[i].help = help;
5151 break;
5152 }
5153}
5154
5155void del_opt_posval(const char *optname, const char *ival)
5156{
5157 struct fio_option *o;
5158 unsigned int i;
5159
9af4a244 5160 o = find_option(fio_options, optname);
f5b6bb85
JA		 5161 if (!o)
5162 return;
5163
5164 for (i = 0; i < PARSE_MAX_VP; i++) {
5165 if (!o->posval[i].ival)
5166 continue;
5167 if (strcmp(o->posval[i].ival, ival))
5168 continue;
5169
5170 o->posval[i].ival = NULL;
5171 o->posval[i].help = NULL;
5172 }
5173}
7e356b2d
JA		 5174
5175void fio_options_free(struct thread_data *td)
5176{
ca6336a8 5177 options_free(fio_options, &td->o);
de890a1e
SL		 5178 if (td->eo && td->io_ops && td->io_ops->options) {
5179 options_free(td->io_ops->options, td->eo);
5180 free(td->eo);
5181 td->eo = NULL;
5182 }
7e356b2d 5183}
c504ee55
JA		 5184
5185struct fio_option *fio_option_find(const char *name)
5186{
5187 return find_option(fio_options, name);
5188}
5189
517c9c72 5190static struct fio_option *find_next_opt(struct fio_option *from,
f0e7f45a 5191 unsigned int off1)
a8523a6a 5192{
f0e7f45a 5193 struct fio_option *opt;
a8523a6a 5194
f0e7f45a
JA		 5195 if (!from)
5196 from = &fio_options[0];
5197 else
5198 from++;
5199
5200 opt = NULL;
5201 do {
5202 if (off1 == from->off1) {
5203 opt = from;
a8523a6a
JA		 5204 break;
5205 }
f0e7f45a
JA		 5206 from++;
5207 } while (from->name);
a8523a6a 5208
f0e7f45a
JA		 5209 return opt;
5210}
5211
5212static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5213{
5214 unsigned int opt_off, index, offset;
a8523a6a
JA		 5215
5216 opt_off = opt - &fio_options[0];
5217 index = opt_off / (8 * sizeof(uint64_t));
5218 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5219 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5220}
5221
72f39748 5222bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5223{
5224 struct fio_option *opt, *next;
5225
5226 next = NULL;
517c9c72 5227 while ((opt = find_next_opt(next, off1)) != NULL) {
f0e7f45a 5228 if (opt_is_set(o, opt))
72f39748 5229 return true;
f0e7f45a
JA		 5230
5231 next = opt;
5232 }
5233
72f39748 5234 return false;
f0e7f45a
JA		 5235}
5236
9109883a 5237void fio_option_mark_set(struct thread_options *o, const struct fio_option *opt)
a8523a6a
JA		 5238{
5239 unsigned int opt_off, index, offset;
5240
5241 opt_off = opt - &fio_options[0];
5242 index = opt_off / (8 * sizeof(uint64_t));
5243 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5244 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5245}
fio - Flexible IO Tester