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blktrace: add option to scale a trace
[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
59466396
JA		 962static int parse_zoned_distribution(struct thread_data *td, const char *input,
963 bool absolute)
e0a04ac1 964{
59466396 965 const char *pre = absolute ? "zoned_abs:" : "zoned:";
764593c0 966 char *str, *p;
e0a04ac1
JA		 967 int i, ret = 0;
968
969 p = str = strdup(input);
970
971 strip_blank_front(&str);
972 strip_blank_end(str);
973
974 /* We expect it to start like that, bail if not */
59466396 975 if (strncmp(str, pre, strlen(pre))) {
e0a04ac1
JA		 976 log_err("fio: mismatch in zoned input <%s>\n", str);
977 free(p);
978 return 1;
979 }
59466396 980 str += strlen(pre);
e0a04ac1 981
59466396 982 ret = str_split_parse(td, str, zone_split_ddir, absolute);
e0a04ac1
JA		 983
984 free(p);
985
986 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
987 int j;
988
989 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
990
991 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
992 struct zone_split *zsp = &td->o.zone_split[i][j];
993
59466396
JA		 994 if (absolute) {
995 dprint(FD_PARSE, "\t%d: %u/%llu\n", j,
996 zsp->access_perc,
997 (unsigned long long) zsp->size);
998 } else {
999 dprint(FD_PARSE, "\t%d: %u/%u\n", j,
1000 zsp->access_perc,
1001 zsp->size_perc);
1002 }
e0a04ac1
JA		 1003 }
1004 }
1005
55baca06 1006 if (parse_dryrun()) {
55baca06
JA		 1007 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1008 free(td->o.zone_split[i]);
1009 td->o.zone_split[i] = NULL;
1010 td->o.zone_split_nr[i] = 0;
1011 }
1012
1013 return ret;
1014 }
1015
81bdb791 1016 if (ret) {
dc4bffb8
JA		 1017 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1018 td->o.zone_split_nr[i] = 0;
1019 }
e0a04ac1
JA		 1020
1021 return ret;
1022}
1023
e25839d4
JA		 1024static int str_random_distribution_cb(void *data, const char *str)
1025{
a609f12a 1026 struct thread_data *td = cb_data_to_td(data);
e25839d4
JA		 1027 double val;
1028 char *nr;
1029
925fee33 1030 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1031 val = FIO_DEF_ZIPF;
925fee33 1032 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1033 val = FIO_DEF_PARETO;
56d9fa4b
JA		 1034 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1035 val = 0.0;
e0a04ac1 1036 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
59466396
JA		 1037 return parse_zoned_distribution(td, str, false);
1038 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS)
1039 return parse_zoned_distribution(td, str, true);
925fee33 1040 else
e25839d4
JA		 1041 return 0;
1042
1043 nr = get_opt_postfix(str);
88038bc7 1044 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 1045 log_err("fio: random postfix parsing failed\n");
1046 free(nr);
1047 return 1;
1048 }
1049
078189c1
JA		 1050 free(nr);
1051
18ded917
JA		 1052 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1053 if (val == 1.00) {
1054 log_err("fio: zipf theta must different than 1.0\n");
1055 return 1;
1056 }
55baca06
JA		 1057 if (parse_dryrun())
1058 return 0;
1e5324e7 1059 td->o.zipf_theta.u.f = val;
56d9fa4b 1060 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 1061 if (val <= 0.00 || val >= 1.00) {
1062 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1063 return 1;
1064 }
55baca06
JA		 1065 if (parse_dryrun())
1066 return 0;
1e5324e7 1067 td->o.pareto_h.u.f = val;
3cdb8cf3 1068 } else {
76527b19 1069 if (val < 0.00 || val >= 100.0) {
99c94a6b 1070 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA		 1071 return 1;
1072 }
55baca06
JA		 1073 if (parse_dryrun())
1074 return 0;
f88cd222 1075 td->o.gauss_dev.u.f = val;
3cdb8cf3 1076 }
921c766f
JA		 1077
1078 return 0;
1079}
1080
16e56d25
VF		 1081static int str_steadystate_cb(void *data, const char *str)
1082{
94f218f6 1083 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF		 1084 double val;
1085 char *nr;
1086 char *pct;
1087 long long ll;
1088
2c5d94bc
VF		 1089 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1090 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF		 1091 /* should be impossible to get here */
1092 log_err("fio: unknown steady state criterion\n");
1093 return 1;
1094 }
1095
1096 nr = get_opt_postfix(str);
1097 if (!nr) {
1098 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1099 free(nr);
1100 return 1;
1101 }
1102
1103 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1104 pct = strstr(nr, "%");
1105 if (pct) {
1106 *pct = '\0';
1107 strip_blank_end(nr);
1108 if (!str_to_float(nr, &val, 0)) {
1109 log_err("fio: could not parse steadystate threshold percentage\n");
1110 free(nr);
1111 return 1;
1112 }
1113
1114 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1115 free(nr);
1116 if (parse_dryrun())
1117 return 0;
1118
c8caba48 1119 td->o.ss_state |= FIO_SS_PCT;
16e56d25 1120 td->o.ss_limit.u.f = val;
c8caba48 1121 } else if (td->o.ss_state & FIO_SS_IOPS) {
16e56d25
VF		 1122 if (!str_to_float(nr, &val, 0)) {
1123 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1124 free(nr);
1125 return 1;
1126 }
1127
1128 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1129 free(nr);
1130 if (parse_dryrun())
1131 return 0;
1132
16e56d25 1133 td->o.ss_limit.u.f = val;
16e56d25
VF		 1134 } else { /* bandwidth criterion */
1135 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1136 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1137 free(nr);
1138 return 1;
1139 }
1140
1141 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1142 free(nr);
1143 if (parse_dryrun())
1144 return 0;
1145
16e56d25 1146 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF		 1147 }
1148
2c5d94bc 1149 td->ss.state = td->o.ss_state;
16e56d25
VF		 1150 return 0;
1151}
1152
8e827d35 1153/*
bcbfeefa 1154 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 1155 * is escaped with a '\', then that ':' is part of the filename and does not
1156 * indicate a new file.
1157 */
532eda7e 1158char *get_next_str(char **ptr)
8e827d35
JA		 1159{
1160 char *str = *ptr;
1161 char *p, *start;
1162
1163 if (!str || !strlen(str))
1164 return NULL;
1165
1166 start = str;
1167 do {
1168 /*
1169 * No colon, we are done
1170 */
1171 p = strchr(str, ':');
1172 if (!p) {
1173 *ptr = NULL;
1174 break;
1175 }
1176
1177 /*
1178 * We got a colon, but it's the first character. Skip and
1179 * continue
1180 */
1181 if (p == start) {
1182 str = ++start;
1183 continue;
1184 }
1185
1186 if (*(p - 1) != '\\') {
1187 *p = '\0';
1188 *ptr = p + 1;
1189 break;
1190 }
1191
1192 memmove(p - 1, p, strlen(p) + 1);
1193 str = p;
1194 } while (1);
1195
1196 return start;
1197}
1198
bcbfeefa 1199
532eda7e 1200int get_max_str_idx(char *input)
bcbfeefa
CE		 1201{
1202 unsigned int cur_idx;
1203 char *str, *p;
1204
1205 p = str = strdup(input);
1206 for (cur_idx = 0; ; cur_idx++)
532eda7e 1207 if (get_next_str(&str) == NULL)
bcbfeefa
CE		 1208 break;
1209
1210 free(p);
1211 return cur_idx;
1212}
1213
1214/*
1215 * Returns the directory at the index, indexes > entires will be
1216 * assigned via modulo division of the index
1217 */
922a5be8
JA		 1218int set_name_idx(char *target, size_t tlen, char *input, int index,
1219 bool unique_filename)
bcbfeefa
CE		 1220{
1221 unsigned int cur_idx;
1222 int len;
1223 char *fname, *str, *p;
1224
1225 p = str = strdup(input);
1226
532eda7e 1227 index %= get_max_str_idx(input);
bcbfeefa 1228 for (cur_idx = 0; cur_idx <= index; cur_idx++)
532eda7e 1229 fname = get_next_str(&str);
bcbfeefa 1230
922a5be8 1231 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA		 1232 len = snprintf(target, tlen, "%s/%s.", fname,
1233 client_sockaddr_str);
1234 } else
1235 len = snprintf(target, tlen, "%s/", fname);
72a703da 1236
e13c3b50 1237 target[tlen - 1] = '\0';
bcbfeefa
CE		 1238 free(p);
1239
1240 return len;
1241}
1242
c70c7f58
AK		 1243char* get_name_by_idx(char *input, int index)
1244{
1245 unsigned int cur_idx;
1246 char *fname, *str, *p;
1247
1248 p = str = strdup(input);
1249
532eda7e 1250 index %= get_max_str_idx(input);
c70c7f58 1251 for (cur_idx = 0; cur_idx <= index; cur_idx++)
532eda7e 1252 fname = get_next_str(&str);
c70c7f58
AK		 1253
1254 fname = strdup(fname);
1255 free(p);
1256
1257 return fname;
1258}
1259
214e1eca
JA		 1260static int str_filename_cb(void *data, const char *input)
1261{
a609f12a 1262 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA		 1263 char *fname, *str, *p;
1264
1265 p = str = strdup(input);
1266
1267 strip_blank_front(&str);
1268 strip_blank_end(str);
1269
79591fa9
TK		 1270 /*
1271 * Ignore what we may already have from nrfiles option.
1272 */
214e1eca 1273 if (!td->files_index)
2dc1bbeb 1274 td->o.nr_files = 0;
214e1eca 1275
532eda7e 1276 while ((fname = get_next_str(&str)) != NULL) {
214e1eca
JA		 1277 if (!strlen(fname))
1278 break;
5903e7b7 1279 add_file(td, fname, 0, 1);
214e1eca
JA		 1280 }
1281
1282 free(p);
1283 return 0;
1284}
1285
bcbfeefa 1286static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1287{
a609f12a 1288 struct thread_data *td = cb_data_to_td(data);
214e1eca 1289 struct stat sb;
bcbfeefa
CE		 1290 char *dirname, *str, *p;
1291 int ret = 0;
214e1eca 1292
f9633d72
JA		 1293 if (parse_dryrun())
1294 return 0;
1295
bcbfeefa 1296 p = str = strdup(td->o.directory);
532eda7e 1297 while ((dirname = get_next_str(&str)) != NULL) {
bcbfeefa
CE		 1298 if (lstat(dirname, &sb) < 0) {
1299 ret = errno;
921c766f 1300
bcbfeefa
CE		 1301 log_err("fio: %s is not a directory\n", dirname);
1302 td_verror(td, ret, "lstat");
1303 goto out;
1304 }
1305 if (!S_ISDIR(sb.st_mode)) {
1306 log_err("fio: %s is not a directory\n", dirname);
1307 ret = 1;
1308 goto out;
1309 }
214e1eca
JA		 1310 }
1311
bcbfeefa
CE		 1312out:
1313 free(p);
1314 return ret;
214e1eca
JA		 1315}
1316
1317static int str_opendir_cb(void *data, const char fio_unused *str)
1318{
a609f12a 1319 struct thread_data *td = cb_data_to_td(data);
214e1eca 1320
52c0cea3
JA		 1321 if (parse_dryrun())
1322 return 0;
1323
214e1eca 1324 if (!td->files_index)
2dc1bbeb 1325 td->o.nr_files = 0;
214e1eca 1326
2dc1bbeb 1327 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1328}
1329
ce35b1ec
JA		 1330static int str_buffer_pattern_cb(void *data, const char *input)
1331{
a609f12a 1332 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1333 int ret;
1334
61b9861d
RP		 1335 /* FIXME: for now buffer pattern does not support formats */
1336 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1337 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1338 if (ret < 0)
1339 return 1;
ce35b1ec 1340
61b9861d
RP		 1341 assert(ret != 0);
1342 td->o.buffer_pattern_bytes = ret;
c55fae03
JA		 1343
1344 /*
1345 * If this job is doing any reading or has compression set,
1346 * ensure that we refill buffers for writes or we could be
1347 * invalidating the pattern through reads.
1348 */
1349 if (!td->o.compress_percentage && !td_read(td))
61b9861d 1350 td->o.refill_buffers = 0;
c55fae03
JA		 1351 else
1352 td->o.refill_buffers = 1;
1353
61b9861d
RP		 1354 td->o.scramble_buffers = 0;
1355 td->o.zero_buffers = 0;
efcd9dcc 1356
61b9861d 1357 return 0;
ce35b1ec
JA		 1358}
1359
bedc9dc2
JA		 1360static int str_buffer_compress_cb(void *data, unsigned long long *il)
1361{
a609f12a 1362 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA		 1363
1364 td->flags |= TD_F_COMPRESS;
1365 td->o.compress_percentage = *il;
1366 return 0;
1367}
1368
5c94b008
JA		 1369static int str_dedupe_cb(void *data, unsigned long long *il)
1370{
a609f12a 1371 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA		 1372
1373 td->flags |= TD_F_COMPRESS;
1374 td->o.dedupe_percentage = *il;
1375 td->o.refill_buffers = 1;
1376 return 0;
1377}
1378
ce35b1ec
JA		 1379static int str_verify_pattern_cb(void *data, const char *input)
1380{
a609f12a 1381 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1382 int ret;
1383
61b9861d
RP		 1384 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1385 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA		 1386 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1387 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1388 if (ret < 0)
1389 return 1;
efcd9dcc 1390
61b9861d
RP		 1391 assert(ret != 0);
1392 td->o.verify_pattern_bytes = ret;
92bf48d5 1393 /*
b638d82f 1394 * VERIFY_* could already be set
92bf48d5 1395 */
61b9861d 1396 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1397 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1398
61b9861d 1399 return 0;
90059d65 1400}
214e1eca 1401
993bf48b
JA		 1402static int str_gtod_reduce_cb(void *data, int *il)
1403{
a609f12a 1404 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA		 1405 int val = *il;
1406
02af0988 1407 td->o.disable_lat = !!val;
993bf48b
JA		 1408 td->o.disable_clat = !!val;
1409 td->o.disable_slat = !!val;
1410 td->o.disable_bw = !!val;
0dc1bc03 1411 td->o.clat_percentiles = !val;
993bf48b 1412 if (val)
8b6a404c 1413 td->ts_cache_mask = 63;
993bf48b
JA		 1414
1415 return 0;
1416}
1417
89978a6b
BW		 1418static int str_offset_cb(void *data, unsigned long long *__val)
1419{
1420 struct thread_data *td = cb_data_to_td(data);
1421 unsigned long long v = *__val;
1422
1423 if (parse_is_percent(v)) {
1424 td->o.start_offset = 0;
1425 td->o.start_offset_percent = -1ULL - v;
872e0415
JA		 1426 dprint(FD_PARSE, "SET start_offset_percent %d\n",
1427 td->o.start_offset_percent);
89978a6b
BW		 1428 } else
1429 td->o.start_offset = v;
1430
1431 return 0;
1432}
1433
7bb59102
JA		 1434static int str_size_cb(void *data, unsigned long long *__val)
1435{
a609f12a 1436 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA		 1437 unsigned long long v = *__val;
1438
1439 if (parse_is_percent(v)) {
1440 td->o.size = 0;
1441 td->o.size_percent = -1ULL - v;
24e4321c
TK		 1442 dprint(FD_PARSE, "SET size_percent %d\n",
1443 td->o.size_percent);
7bb59102
JA		 1444 } else
1445 td->o.size = v;
1446
1447 return 0;
1448}
1449
dded427c
OS		 1450static int str_write_bw_log_cb(void *data, const char *str)
1451{
1452 struct thread_data *td = cb_data_to_td(data);
1453
1454 if (str)
1455 td->o.bw_log_file = strdup(str);
1456
1457 td->o.write_bw_log = 1;
1458 return 0;
1459}
1460
1461static int str_write_lat_log_cb(void *data, const char *str)
1462{
1463 struct thread_data *td = cb_data_to_td(data);
1464
1465 if (str)
1466 td->o.lat_log_file = strdup(str);
1467
1468 td->o.write_lat_log = 1;
1469 return 0;
1470}
1471
1472static int str_write_iops_log_cb(void *data, const char *str)
1473{
1474 struct thread_data *td = cb_data_to_td(data);
1475
1476 if (str)
1477 td->o.iops_log_file = strdup(str);
1478
1479 td->o.write_iops_log = 1;
1480 return 0;
1481}
1482
1483static int str_write_hist_log_cb(void *data, const char *str)
1484{
1485 struct thread_data *td = cb_data_to_td(data);
1486
1487 if (str)
1488 td->o.hist_log_file = strdup(str);
1489
1490 td->o.write_hist_log = 1;
1491 return 0;
1492}
1493
6730b40f
TK		 1494/*
1495 * str is supposed to be a substring of the strdup'd original string,
1496 * and is valid only if it's a regular file path.
1497 * This function keeps the pointer to the path as needed later.
1498 *
1499 * "external:/path/to/so\0" <- original pointer updated with strdup'd
1500 * "external\0" <- above pointer after parsed, i.e. ->ioengine
1501 * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
1502 */
1503static int str_ioengine_external_cb(void *data, const char *str)
1504{
1505 struct thread_data *td = cb_data_to_td(data);
1506 struct stat sb;
1507 char *p;
1508
1509 if (!str) {
1510 log_err("fio: null external ioengine path\n");
1511 return 1;
1512 }
1513
1514 p = (char *)str; /* str is mutable */
1515 strip_blank_front(&p);
1516 strip_blank_end(p);
1517
1518 if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
1519 log_err("fio: invalid external ioengine path \"%s\"\n", p);
1520 return 1;
1521 }
1522
1523 td->o.ioengine_so_path = p;
1524 return 0;
1525}
1526
9109883a 1527static int rw_verify(const struct fio_option *o, void *data)
896cac2a 1528{
a609f12a 1529 struct thread_data *td = cb_data_to_td(data);
896cac2a 1530
d81d0f99
VF		 1531 if (read_only && (td_write(td) || td_trim(td))) {
1532 log_err("fio: job <%s> has write or trim bit set, but"
1533 " fio is in read-only mode\n", td->o.name);
896cac2a
JA		 1534 return 1;
1535 }
1536
1537 return 0;
1538}
1539
9109883a 1540static int gtod_cpu_verify(const struct fio_option *o, void *data)
29d43ff9 1541{
276ca4f7 1542#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1543 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1544
29d43ff9
JA		 1545 if (td->o.gtod_cpu) {
1546 log_err("fio: platform must support CPU affinity for"
1547 "gettimeofday() offloading\n");
1548 return 1;
1549 }
1550#endif
1551
1552 return 0;
1553}
1554
214e1eca
JA		 1555/*
1556 * Map of job/command line options
1557 */
9af4a244 1558struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1559 {
1560 .name = "description",
e8b0e958 1561 .lname = "Description of job",
214e1eca 1562 .type = FIO_OPT_STR_STORE,
a609f12a 1563 .off1 = offsetof(struct thread_options, description),
214e1eca 1564 .help = "Text job description",
e8b0e958 1565 .category = FIO_OPT_C_GENERAL,
0626037e 1566 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1567 },
1568 {
1569 .name = "name",
e8b0e958 1570 .lname = "Job name",
214e1eca 1571 .type = FIO_OPT_STR_STORE,
a609f12a 1572 .off1 = offsetof(struct thread_options, name),
214e1eca 1573 .help = "Name of this job",
e8b0e958 1574 .category = FIO_OPT_C_GENERAL,
0626037e 1575 .group = FIO_OPT_G_DESC,
214e1eca 1576 },
9cc8cb91
AK		 1577 {
1578 .name = "wait_for",
1579 .lname = "Waitee name",
1580 .type = FIO_OPT_STR_STORE,
a609f12a 1581 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1582 .help = "Name of the job this one wants to wait for before starting",
1583 .category = FIO_OPT_C_GENERAL,
1584 .group = FIO_OPT_G_DESC,
1585 },
214e1eca
JA		 1586 {
1587 .name = "filename",
e8b0e958 1588 .lname = "Filename(s)",
214e1eca 1589 .type = FIO_OPT_STR_STORE,
a609f12a 1590 .off1 = offsetof(struct thread_options, filename),
214e1eca 1591 .cb = str_filename_cb,
f0d524b0 1592 .prio = -1, /* must come after "directory" */
214e1eca 1593 .help = "File(s) to use for the workload",
e8b0e958 1594 .category = FIO_OPT_C_FILE,
0626037e 1595 .group = FIO_OPT_G_FILENAME,
214e1eca 1596 },
90fef2d1 1597 {
e8b0e958
JA		 1598 .name = "directory",
1599 .lname = "Directory",
1600 .type = FIO_OPT_STR_STORE,
a609f12a 1601 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1602 .cb = str_directory_cb,
1603 .help = "Directory to store files in",
1604 .category = FIO_OPT_C_FILE,
0626037e 1605 .group = FIO_OPT_G_FILENAME,
90fef2d1 1606 },
de98bd30
JA		 1607 {
1608 .name = "filename_format",
922a5be8 1609 .lname = "Filename Format",
de98bd30 1610 .type = FIO_OPT_STR_STORE,
a609f12a 1611 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1612 .prio = -1, /* must come after "directory" */
1613 .help = "Override default $jobname.$jobnum.$filenum naming",
1614 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1615 .category = FIO_OPT_C_FILE,
1616 .group = FIO_OPT_G_FILENAME,
ad705bcb 1617 },
922a5be8
JA		 1618 {
1619 .name = "unique_filename",
1620 .lname = "Unique Filename",
1621 .type = FIO_OPT_BOOL,
a609f12a 1622 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1623 .help = "For network clients, prefix file with source IP",
1624 .def = "1",
1625 .category = FIO_OPT_C_FILE,
1626 .group = FIO_OPT_G_FILENAME,
1627 },
29c1349f
JA		 1628 {
1629 .name = "lockfile",
e8b0e958 1630 .lname = "Lockfile",
4d4e80f2 1631 .type = FIO_OPT_STR,
a609f12a 1632 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1633 .help = "Lock file when doing IO to it",
bc6a0a5d 1634 .prio = 1,
29c1349f 1635 .parent = "filename",
d71c154c 1636 .hide = 0,
4d4e80f2 1637 .def = "none",
e8b0e958 1638 .category = FIO_OPT_C_FILE,
0626037e 1639 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1640 .posval = {
1641 { .ival = "none",
1642 .oval = FILE_LOCK_NONE,
1643 .help = "No file locking",
1644 },
1645 { .ival = "exclusive",
1646 .oval = FILE_LOCK_EXCLUSIVE,
1647 .help = "Exclusive file lock",
1648 },
1649 {
1650 .ival = "readwrite",
1651 .oval = FILE_LOCK_READWRITE,
1652 .help = "Read vs write lock",
1653 },
1654 },
29c1349f 1655 },
214e1eca
JA		 1656 {
1657 .name = "opendir",
e8b0e958 1658 .lname = "Open directory",
214e1eca 1659 .type = FIO_OPT_STR_STORE,
a609f12a 1660 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1661 .cb = str_opendir_cb,
1662 .help = "Recursively add files from this directory and down",
e8b0e958 1663 .category = FIO_OPT_C_FILE,
0626037e 1664 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1665 },
1666 {
1667 .name = "rw",
e8b0e958 1668 .lname = "Read/write",
d3aad8f2 1669 .alias = "readwrite",
214e1eca 1670 .type = FIO_OPT_STR,
211097b2 1671 .cb = str_rw_cb,
a609f12a 1672 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1673 .help = "IO direction",
1674 .def = "read",
896cac2a 1675 .verify = rw_verify,
e8b0e958 1676 .category = FIO_OPT_C_IO,
0626037e 1677 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1678 .posval = {
1679 { .ival = "read",
1680 .oval = TD_DDIR_READ,
1681 .help = "Sequential read",
1682 },
1683 { .ival = "write",
1684 .oval = TD_DDIR_WRITE,
1685 .help = "Sequential write",
1686 },
6eaf09d6
SL		 1687 { .ival = "trim",
1688 .oval = TD_DDIR_TRIM,
1689 .help = "Sequential trim",
1690 },
214e1eca
JA		 1691 { .ival = "randread",
1692 .oval = TD_DDIR_RANDREAD,
1693 .help = "Random read",
1694 },
1695 { .ival = "randwrite",
1696 .oval = TD_DDIR_RANDWRITE,
1697 .help = "Random write",
1698 },
6eaf09d6
SL		 1699 { .ival = "randtrim",
1700 .oval = TD_DDIR_RANDTRIM,
1701 .help = "Random trim",
1702 },
214e1eca
JA		 1703 { .ival = "rw",
1704 .oval = TD_DDIR_RW,
1705 .help = "Sequential read and write mix",
1706 },
10b023db
JA		 1707 { .ival = "readwrite",
1708 .oval = TD_DDIR_RW,
1709 .help = "Sequential read and write mix",
1710 },
214e1eca
JA		 1711 { .ival = "randrw",
1712 .oval = TD_DDIR_RANDRW,
1713 .help = "Random read and write mix"
1714 },
82a90686
JA		 1715 { .ival = "trimwrite",
1716 .oval = TD_DDIR_TRIMWRITE,
1717 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1718 },
214e1eca
JA		 1719 },
1720 },
38dad62d
JA		 1721 {
1722 .name = "rw_sequencer",
e8b0e958 1723 .lname = "RW Sequencer",
38dad62d 1724 .type = FIO_OPT_STR,
a609f12a 1725 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1726 .help = "IO offset generator modifier",
1727 .def = "sequential",
e8b0e958 1728 .category = FIO_OPT_C_IO,
0626037e 1729 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1730 .posval = {
1731 { .ival = "sequential",
1732 .oval = RW_SEQ_SEQ,
1733 .help = "Generate sequential offsets",
1734 },
1735 { .ival = "identical",
1736 .oval = RW_SEQ_IDENT,
1737 .help = "Generate identical offsets",
1738 },
1739 },
1740 },
1741
214e1eca
JA		 1742 {
1743 .name = "ioengine",
e8b0e958 1744 .lname = "IO Engine",
214e1eca 1745 .type = FIO_OPT_STR_STORE,
a609f12a 1746 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1747 .help = "IO engine to use",
58483fa4 1748 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1749 .category = FIO_OPT_C_IO,
0626037e 1750 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1751 .posval = {
1752 { .ival = "sync",
1753 .help = "Use read/write",
1754 },
a31041ea 1755 { .ival = "psync",
1756 .help = "Use pread/pwrite",
1757 },
1d2af02a 1758 { .ival = "vsync",
03e20d68 1759 .help = "Use readv/writev",
1d2af02a 1760 },
07fc0acd
JA		 1761#ifdef CONFIG_PWRITEV
1762 { .ival = "pvsync",
1763 .help = "Use preadv/pwritev",
1764 },
1765#endif
6562685f 1766#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1767 { .ival = "pvsync2",
1768 .help = "Use preadv2/pwritev2",
1769 },
1770#endif
67bf9823 1771#ifdef CONFIG_LIBAIO
214e1eca
JA		 1772 { .ival = "libaio",
1773 .help = "Linux native asynchronous IO",
1774 },
1775#endif
67bf9823 1776#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1777 { .ival = "posixaio",
1778 .help = "POSIX asynchronous IO",
1779 },
417f0068 1780#endif
997843cb 1781#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1782 { .ival = "solarisaio",
1783 .help = "Solaris native asynchronous IO",
1784 },
214e1eca 1785#endif
4700b234 1786#ifdef CONFIG_WINDOWSAIO
03e20d68 1787 { .ival = "windowsaio",
3be80071 1788 .help = "Windows native asynchronous IO"
de890a1e 1789 },
fc5c0345
DG		 1790#endif
1791#ifdef CONFIG_RBD
1792 { .ival = "rbd",
1793 .help = "Rados Block Device asynchronous IO"
1794 },
3be80071 1795#endif
214e1eca 1796 { .ival = "mmap",
03e20d68 1797 .help = "Memory mapped IO"
214e1eca 1798 },
67bf9823 1799#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1800 { .ival = "splice",
1801 .help = "splice/vmsplice based IO",
1802 },
9cce02e8
JA		 1803 { .ival = "netsplice",
1804 .help = "splice/vmsplice to/from the network",
1805 },
214e1eca
JA		 1806#endif
1807#ifdef FIO_HAVE_SGIO
1808 { .ival = "sg",
1809 .help = "SCSI generic v3 IO",
1810 },
1811#endif
1812 { .ival = "null",
1813 .help = "Testing engine (no data transfer)",
1814 },
1815 { .ival = "net",
1816 .help = "Network IO",
1817 },
214e1eca 1818 { .ival = "cpuio",
03e20d68 1819 .help = "CPU cycle burner engine",
214e1eca 1820 },
67bf9823 1821#ifdef CONFIG_GUASI
b8c82a46
JA		 1822 { .ival = "guasi",
1823 .help = "GUASI IO engine",
1824 },
79a43187 1825#endif
67bf9823 1826#ifdef CONFIG_RDMA
21b8aee8 1827 { .ival = "rdma",
1828 .help = "RDMA IO engine",
1829 },
8200b8c7 1830#endif
997843cb 1831#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1832 { .ival = "e4defrag",
1833 .help = "ext4 defrag engine",
1834 },
1835#endif
997843cb 1836#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1837 { .ival = "falloc",
1838 .help = "fallocate() file based engine",
1839 },
b8c82a46 1840#endif
a7c386f4 1841#ifdef CONFIG_GFAPI
1842 { .ival = "gfapi",
cc47f094 1843 .help = "Glusterfs libgfapi(sync) based engine"
1844 },
1845 { .ival = "gfapi_async",
1846 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1847 },
1848#endif
1b10477b 1849#ifdef CONFIG_LIBHDFS
b74e419e 1850 { .ival = "libhdfs",
1b10477b
MM		 1851 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1852 },
5c4ef02e
JA		 1853#endif
1854#ifdef CONFIG_PMEMBLK
1855 { .ival = "pmemblk",
363a5f65 1856 .help = "PMDK libpmemblk based IO engine",
5c4ef02e
JA		 1857 },
1858
104ee4de 1859#endif
a40e7a59
GB		 1860#ifdef CONFIG_IME
1861 { .ival = "ime_psync",
1862 .help = "DDN's IME synchronous IO engine",
1863 },
1864 { .ival = "ime_psyncv",
1865 .help = "DDN's IME synchronous IO engine using iovecs",
1866 },
1867 { .ival = "ime_aio",
1868 .help = "DDN's IME asynchronous IO engine",
1869 },
1870#endif
104ee4de
DJ		 1871#ifdef CONFIG_LINUX_DEVDAX
1872 { .ival = "dev-dax",
1873 .help = "DAX Device based IO engine",
1874 },
1b10477b 1875#endif
edc5fa12
JA		 1876 {
1877 .ival = "filecreate",
1878 .help = "File creation engine",
1879 },
214e1eca
JA		 1880 { .ival = "external",
1881 .help = "Load external engine (append name)",
6730b40f 1882 .cb = str_ioengine_external_cb,
214e1eca 1883 },
ae0db592
TI		 1884#ifdef CONFIG_LIBPMEM
1885 { .ival = "libpmem",
363a5f65 1886 .help = "PMDK libpmem based IO engine",
ae0db592 1887 },
c2f6a13d
LMB		 1888#endif
1889#ifdef CONFIG_HTTP
1890 { .ival = "http",
1891 .help = "HTTP (WebDAV/S3) IO engine",
1892 },
ae0db592 1893#endif
214e1eca
JA		 1894 },
1895 },
1896 {
1897 .name = "iodepth",
e8b0e958 1898 .lname = "IO Depth",
214e1eca 1899 .type = FIO_OPT_INT,
a609f12a 1900 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1901 .help = "Number of IO buffers to keep in flight",
757aff4f 1902 .minval = 1,
20eb06bd 1903 .interval = 1,
214e1eca 1904 .def = "1",
e8b0e958 1905 .category = FIO_OPT_C_IO,
0626037e 1906 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1907 },
1908 {
1909 .name = "iodepth_batch",
e8b0e958 1910 .lname = "IO Depth batch",
4950421a 1911 .alias = "iodepth_batch_submit",
214e1eca 1912 .type = FIO_OPT_INT,
a609f12a 1913 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1914 .help = "Number of IO buffers to submit in one go",
afdf9352 1915 .parent = "iodepth",
d71c154c 1916 .hide = 1,
20eb06bd 1917 .interval = 1,
a2e6f8ac 1918 .def = "1",
e8b0e958 1919 .category = FIO_OPT_C_IO,
0626037e 1920 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1921 },
1922 {
82407585
RP		 1923 .name = "iodepth_batch_complete_min",
1924 .lname = "Min IO depth batch complete",
1925 .alias = "iodepth_batch_complete",
4950421a 1926 .type = FIO_OPT_INT,
a609f12a 1927 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1928 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1929 .parent = "iodepth",
d71c154c 1930 .hide = 1,
4950421a 1931 .minval = 0,
20eb06bd 1932 .interval = 1,
4950421a 1933 .def = "1",
e8b0e958 1934 .category = FIO_OPT_C_IO,
0626037e 1935 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1936 },
82407585
RP		 1937 {
1938 .name = "iodepth_batch_complete_max",
1939 .lname = "Max IO depth batch complete",
1940 .type = FIO_OPT_INT,
a609f12a 1941 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1942 .help = "Max number of IO buffers to retrieve in one go",
1943 .parent = "iodepth",
1944 .hide = 1,
1945 .minval = 0,
1946 .interval = 1,
1947 .category = FIO_OPT_C_IO,
1948 .group = FIO_OPT_G_IO_BASIC,
1949 },
214e1eca
JA		 1950 {
1951 .name = "iodepth_low",
e8b0e958 1952 .lname = "IO Depth batch low",
214e1eca 1953 .type = FIO_OPT_INT,
a609f12a 1954 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1955 .help = "Low water mark for queuing depth",
afdf9352 1956 .parent = "iodepth",
d71c154c 1957 .hide = 1,
20eb06bd 1958 .interval = 1,
e8b0e958 1959 .category = FIO_OPT_C_IO,
0626037e 1960 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1961 },
997b5680
SW		 1962 {
1963 .name = "serialize_overlap",
1964 .lname = "Serialize overlap",
1965 .off1 = offsetof(struct thread_options, serialize_overlap),
1966 .type = FIO_OPT_BOOL,
1967 .help = "Wait for in-flight IOs that collide to complete",
1968 .parent = "iodepth",
1969 .def = "0",
1970 .category = FIO_OPT_C_IO,
1971 .group = FIO_OPT_G_IO_BASIC,
1972 },
a9da8ab2
JA		 1973 {
1974 .name = "io_submit_mode",
1975 .lname = "IO submit mode",
1976 .type = FIO_OPT_STR,
a609f12a 1977 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1978 .help = "How IO submissions and completions are done",
1979 .def = "inline",
1980 .category = FIO_OPT_C_IO,
1981 .group = FIO_OPT_G_IO_BASIC,
1982 .posval = {
1983 { .ival = "inline",
1984 .oval = IO_MODE_INLINE,
1985 .help = "Submit and complete IO inline",
1986 },
1987 { .ival = "offload",
1988 .oval = IO_MODE_OFFLOAD,
1989 .help = "Offload submit and complete to threads",
1990 },
1991 },
1992 },
214e1eca
JA		 1993 {
1994 .name = "size",
e8b0e958 1995 .lname = "Size",
214e1eca 1996 .type = FIO_OPT_STR_VAL,
7bb59102 1997 .cb = str_size_cb,
a609f12a 1998 .off1 = offsetof(struct thread_options, size),
214e1eca 1999 .help = "Total size of device or files",
20eb06bd 2000 .interval = 1024 * 1024,
e8b0e958
JA		 2001 .category = FIO_OPT_C_IO,
2002 .group = FIO_OPT_G_INVALID,
214e1eca 2003 },
77731b29 2004 {
a4d3b4db
JA		 2005 .name = "io_size",
2006 .alias = "io_limit",
2007 .lname = "IO Size",
77731b29 2008 .type = FIO_OPT_STR_VAL,
5be9bf09 2009 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 2010 .help = "Total size of I/O to be performed",
77731b29
JA		 2011 .interval = 1024 * 1024,
2012 .category = FIO_OPT_C_IO,
2013 .group = FIO_OPT_G_INVALID,
2014 },
aa31f1f1
SL		 2015 {
2016 .name = "fill_device",
e8b0e958 2017 .lname = "Fill device",
74586c1e 2018 .alias = "fill_fs",
aa31f1f1 2019 .type = FIO_OPT_BOOL,
a609f12a 2020 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 2021 .help = "Write until an ENOSPC error occurs",
2022 .def = "0",
e8b0e958
JA		 2023 .category = FIO_OPT_C_FILE,
2024 .group = FIO_OPT_G_INVALID,
aa31f1f1 2025 },
214e1eca
JA		 2026 {
2027 .name = "filesize",
e8b0e958 2028 .lname = "File size",
214e1eca 2029 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 2030 .off1 = offsetof(struct thread_options, file_size_low),
2031 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 2032 .minval = 1,
214e1eca 2033 .help = "Size of individual files",
20eb06bd 2034 .interval = 1024 * 1024,
e8b0e958
JA		 2035 .category = FIO_OPT_C_FILE,
2036 .group = FIO_OPT_G_INVALID,
214e1eca 2037 },
bedc9dc2
JA		 2038 {
2039 .name = "file_append",
2040 .lname = "File append",
2041 .type = FIO_OPT_BOOL,
a609f12a 2042 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 2043 .help = "IO will start at the end of the file(s)",
2044 .def = "0",
2045 .category = FIO_OPT_C_FILE,
2046 .group = FIO_OPT_G_INVALID,
2047 },
67a1000f
JA		 2048 {
2049 .name = "offset",
e8b0e958 2050 .lname = "IO offset",
67a1000f
JA		 2051 .alias = "fileoffset",
2052 .type = FIO_OPT_STR_VAL,
89978a6b 2053 .cb = str_offset_cb,
a609f12a 2054 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 2055 .help = "Start IO from this offset",
2056 .def = "0",
20eb06bd 2057 .interval = 1024 * 1024,
e8b0e958
JA		 2058 .category = FIO_OPT_C_IO,
2059 .group = FIO_OPT_G_INVALID,
67a1000f 2060 },
83c8b093
JF		 2061 {
2062 .name = "offset_align",
2063 .lname = "IO offset alignment",
2064 .type = FIO_OPT_INT,
2065 .off1 = offsetof(struct thread_options, start_offset_align),
2066 .help = "Start IO from this offset alignment",
2067 .def = "0",
2068 .interval = 512,
2069 .category = FIO_OPT_C_IO,
2070 .group = FIO_OPT_G_INVALID,
2071 },
2d7cd868
JA		 2072 {
2073 .name = "offset_increment",
e8b0e958 2074 .lname = "IO offset increment",
2d7cd868 2075 .type = FIO_OPT_STR_VAL,
a609f12a 2076 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 2077 .help = "What is the increment from one offset to the next",
2078 .parent = "offset",
d71c154c 2079 .hide = 1,
2d7cd868 2080 .def = "0",
20eb06bd 2081 .interval = 1024 * 1024,
e8b0e958
JA		 2082 .category = FIO_OPT_C_IO,
2083 .group = FIO_OPT_G_INVALID,
2d7cd868 2084 },
ddf24e42
JA		 2085 {
2086 .name = "number_ios",
2087 .lname = "Number of IOs to perform",
2088 .type = FIO_OPT_STR_VAL,
a609f12a 2089 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2090 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 2091 .def = "0",
2092 .category = FIO_OPT_C_IO,
2093 .group = FIO_OPT_G_INVALID,
2094 },
214e1eca
JA		 2095 {
2096 .name = "bs",
e8b0e958 2097 .lname = "Block size",
d3aad8f2 2098 .alias = "blocksize",
5fff9543 2099 .type = FIO_OPT_ULL,
a609f12a
JA		 2100 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2101 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2102 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2103 .minval = 1,
214e1eca 2104 .help = "Block size unit",
2b9136a3 2105 .def = "4096",
67a1000f 2106 .parent = "rw",
d71c154c 2107 .hide = 1,
20eb06bd 2108 .interval = 512,
e8b0e958
JA		 2109 .category = FIO_OPT_C_IO,
2110 .group = FIO_OPT_G_INVALID,
214e1eca 2111 },
2b7a01d0
JA		 2112 {
2113 .name = "ba",
e8b0e958 2114 .lname = "Block size align",
2b7a01d0 2115 .alias = "blockalign",
5fff9543 2116 .type = FIO_OPT_ULL,
a609f12a
JA		 2117 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2118 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2119 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2120 .minval = 1,
2121 .help = "IO block offset alignment",
2122 .parent = "rw",
d71c154c 2123 .hide = 1,
20eb06bd 2124 .interval = 512,
e8b0e958
JA		 2125 .category = FIO_OPT_C_IO,
2126 .group = FIO_OPT_G_INVALID,
2b7a01d0 2127 },
214e1eca
JA		 2128 {
2129 .name = "bsrange",
e8b0e958 2130 .lname = "Block size range",
d3aad8f2 2131 .alias = "blocksize_range",
214e1eca 2132 .type = FIO_OPT_RANGE,
a609f12a
JA		 2133 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2134 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2135 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2136 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2137 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2138 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2139 .minval = 1,
214e1eca 2140 .help = "Set block size range (in more detail than bs)",
67a1000f 2141 .parent = "rw",
d71c154c 2142 .hide = 1,
20eb06bd 2143 .interval = 4096,
e8b0e958
JA		 2144 .category = FIO_OPT_C_IO,
2145 .group = FIO_OPT_G_INVALID,
214e1eca 2146 },
564ca972
JA		 2147 {
2148 .name = "bssplit",
e8b0e958 2149 .lname = "Block size split",
5fff9543 2150 .type = FIO_OPT_STR_ULL,
564ca972 2151 .cb = str_bssplit_cb,
a609f12a 2152 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2153 .help = "Set a specific mix of block sizes",
2154 .parent = "rw",
d71c154c 2155 .hide = 1,
e8b0e958
JA		 2156 .category = FIO_OPT_C_IO,
2157 .group = FIO_OPT_G_INVALID,
564ca972 2158 },
214e1eca
JA		 2159 {
2160 .name = "bs_unaligned",
e8b0e958 2161 .lname = "Block size unaligned",
d3aad8f2 2162 .alias = "blocksize_unaligned",
214e1eca 2163 .type = FIO_OPT_STR_SET,
a609f12a 2164 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2165 .help = "Don't sector align IO buffer sizes",
67a1000f 2166 .parent = "rw",
d71c154c 2167 .hide = 1,
e8b0e958
JA		 2168 .category = FIO_OPT_C_IO,
2169 .group = FIO_OPT_G_INVALID,
214e1eca 2170 },
6aca9b3d
JA		 2171 {
2172 .name = "bs_is_seq_rand",
2173 .lname = "Block size division is seq/random (not read/write)",
2174 .type = FIO_OPT_BOOL,
a609f12a 2175 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2176 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2177 .def = "0",
2178 .parent = "blocksize",
2179 .category = FIO_OPT_C_IO,
2180 .group = FIO_OPT_G_INVALID,
2181 },
214e1eca
JA		 2182 {
2183 .name = "randrepeat",
e8b0e958 2184 .lname = "Random repeatable",
214e1eca 2185 .type = FIO_OPT_BOOL,
a609f12a 2186 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2187 .help = "Use repeatable random IO pattern",
2188 .def = "1",
67a1000f 2189 .parent = "rw",
d71c154c 2190 .hide = 1,
e8b0e958 2191 .category = FIO_OPT_C_IO,
3ceb458f 2192 .group = FIO_OPT_G_RANDOM,
214e1eca 2193 },
04778baf
JA		 2194 {
2195 .name = "randseed",
2196 .lname = "The random generator seed",
363cffa7 2197 .type = FIO_OPT_STR_VAL,
a609f12a 2198 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2199 .help = "Set the random generator seed value",
40fe5e7b 2200 .def = "0x89",
04778baf
JA		 2201 .parent = "rw",
2202 .category = FIO_OPT_C_IO,
2203 .group = FIO_OPT_G_RANDOM,
2204 },
2615cc4b
JA		 2205 {
2206 .name = "use_os_rand",
e8b0e958 2207 .lname = "Use OS random",
54a21917 2208 .type = FIO_OPT_DEPRECATED,
a609f12a 2209 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2210 .category = FIO_OPT_C_IO,
3ceb458f 2211 .group = FIO_OPT_G_RANDOM,
2615cc4b 2212 },
214e1eca
JA		 2213 {
2214 .name = "norandommap",
e8b0e958 2215 .lname = "No randommap",
214e1eca 2216 .type = FIO_OPT_STR_SET,
a609f12a 2217 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2218 .help = "Accept potential duplicate random blocks",
67a1000f 2219 .parent = "rw",
d71c154c 2220 .hide = 1,
b2452a43 2221 .hide_on_set = 1,
e8b0e958 2222 .category = FIO_OPT_C_IO,
3ceb458f 2223 .group = FIO_OPT_G_RANDOM,
214e1eca 2224 },
2b386d25
JA		 2225 {
2226 .name = "softrandommap",
e8b0e958 2227 .lname = "Soft randommap",
2b386d25 2228 .type = FIO_OPT_BOOL,
a609f12a 2229 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2230 .help = "Set norandommap if randommap allocation fails",
2b386d25 2231 .parent = "norandommap",
d71c154c 2232 .hide = 1,
2b386d25 2233 .def = "0",
e8b0e958 2234 .category = FIO_OPT_C_IO,
3ceb458f 2235 .group = FIO_OPT_G_RANDOM,
2b386d25 2236 },
8055e41d
JA		 2237 {
2238 .name = "random_generator",
cce2fdfe 2239 .lname = "Random Generator",
8055e41d 2240 .type = FIO_OPT_STR,
a609f12a 2241 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2242 .help = "Type of random number generator to use",
2243 .def = "tausworthe",
2244 .posval = {
2245 { .ival = "tausworthe",
2246 .oval = FIO_RAND_GEN_TAUSWORTHE,
2247 .help = "Strong Tausworthe generator",
2248 },
2249 { .ival = "lfsr",
2250 .oval = FIO_RAND_GEN_LFSR,
2251 .help = "Variable length LFSR",
2252 },
c3546b53
JA		 2253 {
2254 .ival = "tausworthe64",
2255 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2256 .help = "64-bit Tausworthe variant",
2257 },
8055e41d 2258 },
48107598
JA		 2259 .category = FIO_OPT_C_IO,
2260 .group = FIO_OPT_G_RANDOM,
8055e41d 2261 },
e25839d4
JA		 2262 {
2263 .name = "random_distribution",
cce2fdfe 2264 .lname = "Random Distribution",
e25839d4 2265 .type = FIO_OPT_STR,
a609f12a 2266 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2267 .cb = str_random_distribution_cb,
2268 .help = "Random offset distribution generator",
2269 .def = "random",
2270 .posval = {
2271 { .ival = "random",
2272 .oval = FIO_RAND_DIST_RANDOM,
2273 .help = "Completely random",
2274 },
2275 { .ival = "zipf",
2276 .oval = FIO_RAND_DIST_ZIPF,
2277 .help = "Zipf distribution",
2278 },
925fee33
JA		 2279 { .ival = "pareto",
2280 .oval = FIO_RAND_DIST_PARETO,
2281 .help = "Pareto distribution",
2282 },
56d9fa4b
JA		 2283 { .ival = "normal",
2284 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2285 .help = "Normal (Gaussian) distribution",
56d9fa4b 2286 },
e0a04ac1
JA		 2287 { .ival = "zoned",
2288 .oval = FIO_RAND_DIST_ZONED,
2289 .help = "Zoned random distribution",
2290 },
59466396
JA		 2291 { .ival = "zoned_abs",
2292 .oval = FIO_RAND_DIST_ZONED_ABS,
2293 .help = "Zoned absolute random distribution",
2294 },
e25839d4 2295 },
48107598
JA		 2296 .category = FIO_OPT_C_IO,
2297 .group = FIO_OPT_G_RANDOM,
e25839d4 2298 },
211c9b89
JA		 2299 {
2300 .name = "percentage_random",
2301 .lname = "Percentage Random",
2302 .type = FIO_OPT_INT,
a609f12a
JA		 2303 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2304 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2305 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2306 .maxval = 100,
2307 .help = "Percentage of seq/random mix that should be random",
d9472271 2308 .def = "100,100,100",
211c9b89
JA		 2309 .interval = 5,
2310 .inverse = "percentage_sequential",
2311 .category = FIO_OPT_C_IO,
2312 .group = FIO_OPT_G_RANDOM,
2313 },
2314 {
2315 .name = "percentage_sequential",
2316 .lname = "Percentage Sequential",
d9472271 2317 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2318 .category = FIO_OPT_C_IO,
2319 .group = FIO_OPT_G_RANDOM,
2320 },
56e2a5fc
CE		 2321 {
2322 .name = "allrandrepeat",
cce2fdfe 2323 .lname = "All Random Repeat",
56e2a5fc 2324 .type = FIO_OPT_BOOL,
a609f12a 2325 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2326 .help = "Use repeatable random numbers for everything",
2327 .def = "0",
a869d9c6
JA		 2328 .category = FIO_OPT_C_IO,
2329 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2330 },
214e1eca
JA		 2331 {
2332 .name = "nrfiles",
e8b0e958 2333 .lname = "Number of files",
d7c8be03 2334 .alias = "nr_files",
214e1eca 2335 .type = FIO_OPT_INT,
a609f12a 2336 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2337 .help = "Split job workload between this number of files",
2338 .def = "1",
20eb06bd 2339 .interval = 1,
e8b0e958
JA		 2340 .category = FIO_OPT_C_FILE,
2341 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2342 },
2343 {
2344 .name = "openfiles",
e8b0e958 2345 .lname = "Number of open files",
214e1eca 2346 .type = FIO_OPT_INT,
a609f12a 2347 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2348 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2349 .category = FIO_OPT_C_FILE,
2350 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2351 },
2352 {
2353 .name = "file_service_type",
e8b0e958 2354 .lname = "File service type",
214e1eca
JA		 2355 .type = FIO_OPT_STR,
2356 .cb = str_fst_cb,
a609f12a 2357 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2358 .help = "How to select which file to service next",
2359 .def = "roundrobin",
e8b0e958
JA		 2360 .category = FIO_OPT_C_FILE,
2361 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2362 .posval = {
2363 { .ival = "random",
2364 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2365 .help = "Choose a file at random (uniform)",
2366 },
2367 { .ival = "zipf",
2368 .oval = FIO_FSERVICE_ZIPF,
2369 .help = "Zipf randomized",
2370 },
2371 { .ival = "pareto",
2372 .oval = FIO_FSERVICE_PARETO,
2373 .help = "Pareto randomized",
2374 },
dd3503d3
SW		 2375 { .ival = "normal",
2376 .oval = FIO_FSERVICE_GAUSS,
2377 .help = "Normal (Gaussian) randomized",
2378 },
8c07860d
JA		 2379 { .ival = "gauss",
2380 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2381 .help = "Alias for normal",
214e1eca
JA		 2382 },
2383 { .ival = "roundrobin",
2384 .oval = FIO_FSERVICE_RR,
2385 .help = "Round robin select files",
2386 },
a086c257
JA		 2387 { .ival = "sequential",
2388 .oval = FIO_FSERVICE_SEQ,
2389 .help = "Finish one file before moving to the next",
2390 },
214e1eca 2391 },
67a1000f 2392 .parent = "nrfiles",
d71c154c 2393 .hide = 1,
67a1000f 2394 },
cbbdf1c8 2395#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA		 2396 {
2397 .name = "fallocate",
e8b0e958 2398 .lname = "Fallocate",
a596f047 2399 .type = FIO_OPT_STR,
a609f12a 2400 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2401 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2402 .def = "native",
e8b0e958
JA		 2403 .category = FIO_OPT_C_FILE,
2404 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2405 .posval = {
2406 { .ival = "none",
2407 .oval = FIO_FALLOCATE_NONE,
2408 .help = "Do not pre-allocate space",
2409 },
2c3e17be
SW		 2410 { .ival = "native",
2411 .oval = FIO_FALLOCATE_NATIVE,
2412 .help = "Use native pre-allocation if possible",
2413 },
2414#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2415 { .ival = "posix",
2416 .oval = FIO_FALLOCATE_POSIX,
2417 .help = "Use posix_fallocate()",
2418 },
2c3e17be 2419#endif
97ac992c 2420#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2421 { .ival = "keep",
2422 .oval = FIO_FALLOCATE_KEEP_SIZE,
2423 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2424 },
7bc8c2cf 2425#endif
a596f047
EG		 2426 /* Compatibility with former boolean values */
2427 { .ival = "0",
2428 .oval = FIO_FALLOCATE_NONE,
2429 .help = "Alias for 'none'",
2430 },
2c3e17be 2431#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2432 { .ival = "1",
2433 .oval = FIO_FALLOCATE_POSIX,
2434 .help = "Alias for 'posix'",
2435 },
2c3e17be 2436#endif
a596f047
EG		 2437 },
2438 },
cbbdf1c8 2439#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA		 2440 {
2441 .name = "fallocate",
2442 .lname = "Fallocate",
2443 .type = FIO_OPT_UNSUPPORTED,
2444 .help = "Your platform does not support fallocate",
2445 },
cbbdf1c8 2446#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA		 2447 {
2448 .name = "fadvise_hint",
e8b0e958 2449 .lname = "Fadvise hint",
ecb2083d 2450 .type = FIO_OPT_STR,
a609f12a 2451 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2452 .posval = {
2453 { .ival = "0",
2454 .oval = F_ADV_NONE,
c712c97a 2455 .help = "Don't issue fadvise/madvise",
ecb2083d
JA		 2456 },
2457 { .ival = "1",
2458 .oval = F_ADV_TYPE,
2459 .help = "Advise using fio IO pattern",
2460 },
2461 { .ival = "random",
2462 .oval = F_ADV_RANDOM,
2463 .help = "Advise using FADV_RANDOM",
2464 },
2465 { .ival = "sequential",
2466 .oval = F_ADV_SEQUENTIAL,
2467 .help = "Advise using FADV_SEQUENTIAL",
2468 },
2469 },
67a1000f
JA		 2470 .help = "Use fadvise() to advise the kernel on IO pattern",
2471 .def = "1",
e8b0e958
JA		 2472 .category = FIO_OPT_C_FILE,
2473 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2474 },
2475 {
2476 .name = "fsync",
e8b0e958 2477 .lname = "Fsync",
214e1eca 2478 .type = FIO_OPT_INT,
a609f12a 2479 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2480 .help = "Issue fsync for writes every given number of blocks",
2481 .def = "0",
20eb06bd 2482 .interval = 1,
e8b0e958
JA		 2483 .category = FIO_OPT_C_FILE,
2484 .group = FIO_OPT_G_INVALID,
214e1eca 2485 },
5f9099ea
JA		 2486 {
2487 .name = "fdatasync",
e8b0e958 2488 .lname = "Fdatasync",
5f9099ea 2489 .type = FIO_OPT_INT,
a609f12a 2490 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2491 .help = "Issue fdatasync for writes every given number of blocks",
2492 .def = "0",
20eb06bd 2493 .interval = 1,
e8b0e958
JA		 2494 .category = FIO_OPT_C_FILE,
2495 .group = FIO_OPT_G_INVALID,
5f9099ea 2496 },
1ef2b6be
JA		 2497 {
2498 .name = "write_barrier",
e8b0e958 2499 .lname = "Write barrier",
1ef2b6be 2500 .type = FIO_OPT_INT,
a609f12a 2501 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2502 .help = "Make every Nth write a barrier write",
2503 .def = "0",
20eb06bd 2504 .interval = 1,
e8b0e958
JA		 2505 .category = FIO_OPT_C_IO,
2506 .group = FIO_OPT_G_INVALID,
1ef2b6be 2507 },
67bf9823 2508#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2509 {
2510 .name = "sync_file_range",
e8b0e958 2511 .lname = "Sync file range",
44f29692
JA		 2512 .posval = {
2513 { .ival = "wait_before",
2514 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2515 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2516 .orval = 1,
44f29692
JA		 2517 },
2518 { .ival = "write",
2519 .oval = SYNC_FILE_RANGE_WRITE,
2520 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2521 .orval = 1,
44f29692
JA		 2522 },
2523 {
2524 .ival = "wait_after",
2525 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2526 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2527 .orval = 1,
44f29692
JA		 2528 },
2529 },
3843deb3 2530 .type = FIO_OPT_STR_MULTI,
44f29692 2531 .cb = str_sfr_cb,
a609f12a 2532 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2533 .help = "Use sync_file_range()",
e8b0e958
JA		 2534 .category = FIO_OPT_C_FILE,
2535 .group = FIO_OPT_G_INVALID,
44f29692 2536 },
a275c37a 2537#else
54d0a315 2538 {
a275c37a
JA		 2539 .name = "sync_file_range",
2540 .lname = "Sync file range",
2541 .type = FIO_OPT_UNSUPPORTED,
2542 .help = "Your platform does not support sync_file_range",
2543 },
44f29692 2544#endif
214e1eca
JA		 2545 {
2546 .name = "direct",
e8b0e958 2547 .lname = "Direct I/O",
214e1eca 2548 .type = FIO_OPT_BOOL,
a609f12a 2549 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2550 .help = "Use O_DIRECT IO (negates buffered)",
2551 .def = "0",
a01a1bc5 2552 .inverse = "buffered",
e8b0e958 2553 .category = FIO_OPT_C_IO,
3ceb458f 2554 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2555 },
d01612f3
CM		 2556 {
2557 .name = "atomic",
2558 .lname = "Atomic I/O",
2559 .type = FIO_OPT_BOOL,
a609f12a 2560 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2561 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2562 .def = "0",
2563 .category = FIO_OPT_C_IO,
2564 .group = FIO_OPT_G_IO_TYPE,
2565 },
214e1eca
JA		 2566 {
2567 .name = "buffered",
e8b0e958 2568 .lname = "Buffered I/O",
214e1eca 2569 .type = FIO_OPT_BOOL,
a609f12a 2570 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2571 .neg = 1,
2572 .help = "Use buffered IO (negates direct)",
2573 .def = "1",
a01a1bc5 2574 .inverse = "direct",
e8b0e958 2575 .category = FIO_OPT_C_IO,
3ceb458f 2576 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2577 },
2578 {
2579 .name = "overwrite",
e8b0e958 2580 .lname = "Overwrite",
214e1eca 2581 .type = FIO_OPT_BOOL,
a609f12a 2582 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2583 .help = "When writing, set whether to overwrite current data",
2584 .def = "0",
e8b0e958
JA		 2585 .category = FIO_OPT_C_FILE,
2586 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2587 },
2588 {
2589 .name = "loops",
e8b0e958 2590 .lname = "Loops",
214e1eca 2591 .type = FIO_OPT_INT,
a609f12a 2592 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2593 .help = "Number of times to run the job",
2594 .def = "1",
20eb06bd 2595 .interval = 1,
e8b0e958 2596 .category = FIO_OPT_C_GENERAL,
a1f6afec 2597 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2598 },
2599 {
2600 .name = "numjobs",
e8b0e958 2601 .lname = "Number of jobs",
214e1eca 2602 .type = FIO_OPT_INT,
a609f12a 2603 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2604 .help = "Duplicate this job this many times",
2605 .def = "1",
20eb06bd 2606 .interval = 1,
e8b0e958 2607 .category = FIO_OPT_C_GENERAL,
a1f6afec 2608 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2609 },
2610 {
2611 .name = "startdelay",
e8b0e958 2612 .lname = "Start delay",
a5737c93 2613 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2614 .off1 = offsetof(struct thread_options, start_delay),
2615 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2616 .help = "Only start job when this period has passed",
2617 .def = "0",
0de5b26f 2618 .is_seconds = 1,
88038bc7 2619 .is_time = 1,
e8b0e958 2620 .category = FIO_OPT_C_GENERAL,
a1f6afec 2621 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2622 },
2623 {
2624 .name = "runtime",
e8b0e958 2625 .lname = "Runtime",
214e1eca
JA		 2626 .alias = "timeout",
2627 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2628 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2629 .help = "Stop workload when this amount of time has passed",
2630 .def = "0",
0de5b26f 2631 .is_seconds = 1,
88038bc7 2632 .is_time = 1,
e8b0e958 2633 .category = FIO_OPT_C_GENERAL,
a1f6afec 2634 .group = FIO_OPT_G_RUNTIME,
214e1eca 2635 },
cf4464ca
JA		 2636 {
2637 .name = "time_based",
e8b0e958 2638 .lname = "Time based",
cf4464ca 2639 .type = FIO_OPT_STR_SET,
a609f12a 2640 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2641 .help = "Keep running until runtime/timeout is met",
e8b0e958 2642 .category = FIO_OPT_C_GENERAL,
a1f6afec 2643 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2644 },
62167762
JC		 2645 {
2646 .name = "verify_only",
2647 .lname = "Verify only",
2648 .type = FIO_OPT_STR_SET,
a609f12a 2649 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2650 .help = "Verifies previously written data is still valid",
2651 .category = FIO_OPT_C_GENERAL,
2652 .group = FIO_OPT_G_RUNTIME,
2653 },
721938ae
JA		 2654 {
2655 .name = "ramp_time",
e8b0e958 2656 .lname = "Ramp time",
721938ae 2657 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2658 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2659 .help = "Ramp up time before measuring performance",
0de5b26f 2660 .is_seconds = 1,
88038bc7 2661 .is_time = 1,
e8b0e958 2662 .category = FIO_OPT_C_GENERAL,
a1f6afec 2663 .group = FIO_OPT_G_RUNTIME,
721938ae 2664 },
c223da83
JA		 2665 {
2666 .name = "clocksource",
e8b0e958 2667 .lname = "Clock source",
c223da83
JA		 2668 .type = FIO_OPT_STR,
2669 .cb = fio_clock_source_cb,
a609f12a 2670 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2671 .help = "What type of timing source to use",
e8b0e958 2672 .category = FIO_OPT_C_GENERAL,
10860056 2673 .group = FIO_OPT_G_CLOCK,
c223da83 2674 .posval = {
67bf9823 2675#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2676 { .ival = "gettimeofday",
2677 .oval = CS_GTOD,
2678 .help = "Use gettimeofday(2) for timing",
2679 },
67bf9823
JA		 2680#endif
2681#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2682 { .ival = "clock_gettime",
2683 .oval = CS_CGETTIME,
2684 .help = "Use clock_gettime(2) for timing",
2685 },
67bf9823 2686#endif
c223da83
JA		 2687#ifdef ARCH_HAVE_CPU_CLOCK
2688 { .ival = "cpu",
2689 .oval = CS_CPUCLOCK,
2690 .help = "Use CPU private clock",
2691 },
2692#endif
2693 },
2694 },
214e1eca
JA		 2695 {
2696 .name = "mem",
d3aad8f2 2697 .alias = "iomem",
e8b0e958 2698 .lname = "I/O Memory",
214e1eca
JA		 2699 .type = FIO_OPT_STR,
2700 .cb = str_mem_cb,
a609f12a 2701 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2702 .help = "Backing type for IO buffers",
2703 .def = "malloc",
e8b0e958
JA		 2704 .category = FIO_OPT_C_IO,
2705 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2706 .posval = {
2707 { .ival = "malloc",
2708 .oval = MEM_MALLOC,
2709 .help = "Use malloc(3) for IO buffers",
2710 },
c8931876 2711#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2712 { .ival = "shm",
2713 .oval = MEM_SHM,
2714 .help = "Use shared memory segments for IO buffers",
2715 },
214e1eca
JA		 2716#ifdef FIO_HAVE_HUGETLB
2717 { .ival = "shmhuge",
2718 .oval = MEM_SHMHUGE,
2719 .help = "Like shm, but use huge pages",
2720 },
c8931876 2721#endif
b370e46a 2722#endif
37c8cdfe
JA		 2723 { .ival = "mmap",
2724 .oval = MEM_MMAP,
2725 .help = "Use mmap(2) (file or anon) for IO buffers",
2726 },
217b0f1d
LG		 2727 { .ival = "mmapshared",
2728 .oval = MEM_MMAPSHARED,
2729 .help = "Like mmap, but use the shared flag",
2730 },
214e1eca
JA		 2731#ifdef FIO_HAVE_HUGETLB
2732 { .ival = "mmaphuge",
2733 .oval = MEM_MMAPHUGE,
2734 .help = "Like mmap, but use huge pages",
2735 },
03553853
YR		 2736#endif
2737#ifdef CONFIG_CUDA
2738 { .ival = "cudamalloc",
2739 .oval = MEM_CUDA_MALLOC,
2740 .help = "Allocate GPU device memory for GPUDirect RDMA",
2741 },
214e1eca
JA		 2742#endif
2743 },
2744 },
d529ee19
JA		 2745 {
2746 .name = "iomem_align",
2747 .alias = "mem_align",
e8b0e958 2748 .lname = "I/O memory alignment",
d529ee19 2749 .type = FIO_OPT_INT,
a609f12a 2750 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2751 .minval = 0,
2752 .help = "IO memory buffer offset alignment",
2753 .def = "0",
2754 .parent = "iomem",
d71c154c 2755 .hide = 1,
e8b0e958
JA		 2756 .category = FIO_OPT_C_IO,
2757 .group = FIO_OPT_G_INVALID,
d529ee19 2758 },
214e1eca
JA		 2759 {
2760 .name = "verify",
e8b0e958 2761 .lname = "Verify",
214e1eca 2762 .type = FIO_OPT_STR,
a609f12a 2763 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2764 .help = "Verify data written",
2765 .def = "0",
e8b0e958 2766 .category = FIO_OPT_C_IO,
3ceb458f 2767 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2768 .posval = {
2769 { .ival = "0",
2770 .oval = VERIFY_NONE,
2771 .help = "Don't do IO verification",
2772 },
fcca4b58
JA		 2773 { .ival = "md5",
2774 .oval = VERIFY_MD5,
2775 .help = "Use md5 checksums for verification",
2776 },
d77a7af3
JA		 2777 { .ival = "crc64",
2778 .oval = VERIFY_CRC64,
2779 .help = "Use crc64 checksums for verification",
2780 },
214e1eca
JA		 2781 { .ival = "crc32",
2782 .oval = VERIFY_CRC32,
2783 .help = "Use crc32 checksums for verification",
2784 },
af497e6a 2785 { .ival = "crc32c-intel",
e3aaafc4
JA		 2786 .oval = VERIFY_CRC32C,
2787 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2788 },
bac39e0e
JA		 2789 { .ival = "crc32c",
2790 .oval = VERIFY_CRC32C,
e3aaafc4 2791 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2792 },
969f7ed3
JA		 2793 { .ival = "crc16",
2794 .oval = VERIFY_CRC16,
2795 .help = "Use crc16 checksums for verification",
2796 },
1e154bdb
JA		 2797 { .ival = "crc7",
2798 .oval = VERIFY_CRC7,
2799 .help = "Use crc7 checksums for verification",
2800 },
7c353ceb
JA		 2801 { .ival = "sha1",
2802 .oval = VERIFY_SHA1,
2803 .help = "Use sha1 checksums for verification",
2804 },
cd14cc10
JA		 2805 { .ival = "sha256",
2806 .oval = VERIFY_SHA256,
2807 .help = "Use sha256 checksums for verification",
2808 },
2809 { .ival = "sha512",
2810 .oval = VERIFY_SHA512,
2811 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2812 },
2813 { .ival = "sha3-224",
2814 .oval = VERIFY_SHA3_224,
2815 .help = "Use sha3-224 checksums for verification",
2816 },
2817 { .ival = "sha3-256",
2818 .oval = VERIFY_SHA3_256,
2819 .help = "Use sha3-256 checksums for verification",
2820 },
2821 { .ival = "sha3-384",
2822 .oval = VERIFY_SHA3_384,
2823 .help = "Use sha3-384 checksums for verification",
2824 },
2825 { .ival = "sha3-512",
2826 .oval = VERIFY_SHA3_512,
2827 .help = "Use sha3-512 checksums for verification",
cd14cc10 2828 },
844ea602
JA		 2829 { .ival = "xxhash",
2830 .oval = VERIFY_XXHASH,
2831 .help = "Use xxhash checksums for verification",
2832 },
b638d82f
RP		 2833 /* Meta information was included into verify_header,
2834 * 'meta' verification is implied by default. */
7437ee87 2835 { .ival = "meta",
b638d82f
RP		 2836 .oval = VERIFY_HDR_ONLY,
2837 .help = "Use io information for verification. "
2838 "Now is implied by default, thus option is obsolete, "
2839 "don't use it",
7437ee87 2840 },
59245381
JA		 2841 { .ival = "pattern",
2842 .oval = VERIFY_PATTERN_NO_HDR,
2843 .help = "Verify strict pattern",
2844 },
36690c9b
JA		 2845 {
2846 .ival = "null",
2847 .oval = VERIFY_NULL,
2848 .help = "Pretend to verify",
2849 },
214e1eca
JA		 2850 },
2851 },
005c565a
JA		 2852 {
2853 .name = "do_verify",
e8b0e958 2854 .lname = "Perform verify step",
68e1f29a 2855 .type = FIO_OPT_BOOL,
a609f12a 2856 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2857 .help = "Run verification stage after write",
2858 .def = "1",
2859 .parent = "verify",
d71c154c 2860 .hide = 1,
e8b0e958
JA		 2861 .category = FIO_OPT_C_IO,
2862 .group = FIO_OPT_G_VERIFY,
005c565a 2863 },
160b966d
JA		 2864 {
2865 .name = "verifysort",
e8b0e958 2866 .lname = "Verify sort",
f31feaa2 2867 .type = FIO_OPT_SOFT_DEPRECATED,
e8b0e958
JA		 2868 .category = FIO_OPT_C_IO,
2869 .group = FIO_OPT_G_VERIFY,
160b966d 2870 },
1ae83d45
JA		 2871 {
2872 .name = "verifysort_nr",
cce2fdfe 2873 .lname = "Verify Sort Nr",
f31feaa2 2874 .type = FIO_OPT_SOFT_DEPRECATED,
836fcc0f
JA		 2875 .category = FIO_OPT_C_IO,
2876 .group = FIO_OPT_G_VERIFY,
1ae83d45 2877 },
3f9f4e26 2878 {
a59e170d 2879 .name = "verify_interval",
e8b0e958 2880 .lname = "Verify interval",
e01b22b8 2881 .type = FIO_OPT_INT,
a609f12a 2882 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2883 .minval = 2 * sizeof(struct verify_header),
a59e170d 2884 .help = "Store verify buffer header every N bytes",
afdf9352 2885 .parent = "verify",
d71c154c 2886 .hide = 1,
20eb06bd 2887 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2888 .category = FIO_OPT_C_IO,
2889 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2890 },
546a9142 2891 {
a59e170d 2892 .name = "verify_offset",
e8b0e958 2893 .lname = "Verify offset",
e01b22b8 2894 .type = FIO_OPT_INT,
a59e170d 2895 .help = "Offset verify header location by N bytes",
a609f12a 2896 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2897 .minval = sizeof(struct verify_header),
afdf9352 2898 .parent = "verify",
d71c154c 2899 .hide = 1,
e8b0e958
JA		 2900 .category = FIO_OPT_C_IO,
2901 .group = FIO_OPT_G_VERIFY,
546a9142 2902 },
e28218f3
SL		 2903 {
2904 .name = "verify_pattern",
e8b0e958 2905 .lname = "Verify pattern",
0e92f873 2906 .type = FIO_OPT_STR,
e28218f3 2907 .cb = str_verify_pattern_cb,
a609f12a 2908 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2909 .help = "Fill pattern for IO buffers",
2910 .parent = "verify",
d71c154c 2911 .hide = 1,
e8b0e958
JA		 2912 .category = FIO_OPT_C_IO,
2913 .group = FIO_OPT_G_VERIFY,
e28218f3 2914 },
a12a3b4d
JA		 2915 {
2916 .name = "verify_fatal",
e8b0e958 2917 .lname = "Verify fatal",
68e1f29a 2918 .type = FIO_OPT_BOOL,
a609f12a 2919 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2920 .def = "0",
2921 .help = "Exit on a single verify failure, don't continue",
2922 .parent = "verify",
d71c154c 2923 .hide = 1,
e8b0e958
JA		 2924 .category = FIO_OPT_C_IO,
2925 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2926 },
b463e936
JA		 2927 {
2928 .name = "verify_dump",
e8b0e958 2929 .lname = "Verify dump",
b463e936 2930 .type = FIO_OPT_BOOL,
a609f12a 2931 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2932 .def = "0",
b463e936
JA		 2933 .help = "Dump contents of good and bad blocks on failure",
2934 .parent = "verify",
d71c154c 2935 .hide = 1,
e8b0e958
JA		 2936 .category = FIO_OPT_C_IO,
2937 .group = FIO_OPT_G_VERIFY,
b463e936 2938 },
e8462bd8
JA		 2939 {
2940 .name = "verify_async",
e8b0e958 2941 .lname = "Verify asynchronously",
e8462bd8 2942 .type = FIO_OPT_INT,
a609f12a 2943 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2944 .def = "0",
2945 .help = "Number of async verifier threads to use",
2946 .parent = "verify",
d71c154c 2947 .hide = 1,
e8b0e958
JA		 2948 .category = FIO_OPT_C_IO,
2949 .group = FIO_OPT_G_VERIFY,
e8462bd8 2950 },
9e144189
JA		 2951 {
2952 .name = "verify_backlog",
e8b0e958 2953 .lname = "Verify backlog",
9e144189 2954 .type = FIO_OPT_STR_VAL,
a609f12a 2955 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2956 .help = "Verify after this number of blocks are written",
2957 .parent = "verify",
d71c154c 2958 .hide = 1,
e8b0e958
JA		 2959 .category = FIO_OPT_C_IO,
2960 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2961 },
2962 {
2963 .name = "verify_backlog_batch",
e8b0e958 2964 .lname = "Verify backlog batch",
9e144189 2965 .type = FIO_OPT_INT,
a609f12a 2966 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2967 .help = "Verify this number of IO blocks",
0d29de83 2968 .parent = "verify",
d71c154c 2969 .hide = 1,
e8b0e958
JA		 2970 .category = FIO_OPT_C_IO,
2971 .group = FIO_OPT_G_VERIFY,
9e144189 2972 },
e8462bd8
JA		 2973#ifdef FIO_HAVE_CPU_AFFINITY
2974 {
2975 .name = "verify_async_cpus",
e8b0e958 2976 .lname = "Async verify CPUs",
e8462bd8
JA		 2977 .type = FIO_OPT_STR,
2978 .cb = str_verify_cpus_allowed_cb,
a609f12a 2979 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2980 .help = "Set CPUs allowed for async verify threads",
2981 .parent = "verify_async",
d71c154c 2982 .hide = 1,
e8b0e958
JA		 2983 .category = FIO_OPT_C_IO,
2984 .group = FIO_OPT_G_VERIFY,
e8462bd8 2985 },
a275c37a
JA		 2986#else
2987 {
2988 .name = "verify_async_cpus",
2989 .lname = "Async verify CPUs",
2990 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2991 .help = "Your platform does not support CPU affinities",
a275c37a 2992 },
0d29de83 2993#endif
51aa2da8
JA		 2994 {
2995 .name = "experimental_verify",
cce2fdfe 2996 .lname = "Experimental Verify",
a609f12a 2997 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2998 .type = FIO_OPT_BOOL,
b31eaac9 2999 .help = "Enable experimental verification",
ca09be4b
JA		 3000 .parent = "verify",
3001 .category = FIO_OPT_C_IO,
3002 .group = FIO_OPT_G_VERIFY,
3003 },
3004 {
3005 .name = "verify_state_load",
3006 .lname = "Load verify state",
a609f12a 3007 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 3008 .type = FIO_OPT_BOOL,
3009 .help = "Load verify termination state",
3010 .parent = "verify",
3011 .category = FIO_OPT_C_IO,
3012 .group = FIO_OPT_G_VERIFY,
3013 },
3014 {
3015 .name = "verify_state_save",
3016 .lname = "Save verify state",
a609f12a 3017 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 3018 .type = FIO_OPT_BOOL,
3019 .def = "1",
3020 .help = "Save verify state on termination",
3021 .parent = "verify",
836fcc0f
JA		 3022 .category = FIO_OPT_C_IO,
3023 .group = FIO_OPT_G_VERIFY,
51aa2da8 3024 },
0d29de83
JA		 3025#ifdef FIO_HAVE_TRIM
3026 {
3027 .name = "trim_percentage",
e8b0e958 3028 .lname = "Trim percentage",
0d29de83 3029 .type = FIO_OPT_INT,
a609f12a 3030 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 3031 .minval = 0,
0d29de83 3032 .maxval = 100,
169c098d 3033 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 3034 .parent = "verify",
3035 .def = "0",
20eb06bd 3036 .interval = 1,
d71c154c 3037 .hide = 1,
e8b0e958
JA		 3038 .category = FIO_OPT_C_IO,
3039 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3040 },
3041 {
3042 .name = "trim_verify_zero",
e8b0e958 3043 .lname = "Verify trim zero",
20eb06bd 3044 .type = FIO_OPT_BOOL,
169c098d 3045 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3046 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3047 .parent = "trim_percentage",
d71c154c 3048 .hide = 1,
0d29de83 3049 .def = "1",
e8b0e958
JA		 3050 .category = FIO_OPT_C_IO,
3051 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3052 },
3053 {
3054 .name = "trim_backlog",
e8b0e958 3055 .lname = "Trim backlog",
0d29de83 3056 .type = FIO_OPT_STR_VAL,
a609f12a 3057 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 3058 .help = "Trim after this number of blocks are written",
3059 .parent = "trim_percentage",
d71c154c 3060 .hide = 1,
20eb06bd 3061 .interval = 1,
e8b0e958
JA		 3062 .category = FIO_OPT_C_IO,
3063 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3064 },
3065 {
3066 .name = "trim_backlog_batch",
e8b0e958 3067 .lname = "Trim backlog batch",
0d29de83 3068 .type = FIO_OPT_INT,
a609f12a 3069 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 3070 .help = "Trim this number of IO blocks",
3071 .parent = "trim_percentage",
d71c154c 3072 .hide = 1,
20eb06bd 3073 .interval = 1,
e8b0e958
JA		 3074 .category = FIO_OPT_C_IO,
3075 .group = FIO_OPT_G_TRIM,
0d29de83 3076 },
a275c37a
JA		 3077#else
3078 {
3079 .name = "trim_percentage",
3080 .lname = "Trim percentage",
3081 .type = FIO_OPT_UNSUPPORTED,
3082 .help = "Fio does not support TRIM on your platform",
3083 },
3084 {
3085 .name = "trim_verify_zero",
3086 .lname = "Verify trim zero",
3087 .type = FIO_OPT_UNSUPPORTED,
3088 .help = "Fio does not support TRIM on your platform",
3089 },
3090 {
3091 .name = "trim_backlog",
3092 .lname = "Trim backlog",
3093 .type = FIO_OPT_UNSUPPORTED,
3094 .help = "Fio does not support TRIM on your platform",
3095 },
3096 {
3097 .name = "trim_backlog_batch",
3098 .lname = "Trim backlog batch",
3099 .type = FIO_OPT_UNSUPPORTED,
3100 .help = "Fio does not support TRIM on your platform",
3101 },
e8462bd8 3102#endif
214e1eca
JA		 3103 {
3104 .name = "write_iolog",
e8b0e958 3105 .lname = "Write I/O log",
214e1eca 3106 .type = FIO_OPT_STR_STORE,
a609f12a 3107 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3108 .help = "Store IO pattern to file",
e8b0e958
JA		 3109 .category = FIO_OPT_C_IO,
3110 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3111 },
3112 {
3113 .name = "read_iolog",
e8b0e958 3114 .lname = "Read I/O log",
214e1eca 3115 .type = FIO_OPT_STR_STORE,
a609f12a 3116 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3117 .help = "Playback IO pattern from file",
e8b0e958
JA		 3118 .category = FIO_OPT_C_IO,
3119 .group = FIO_OPT_G_IOLOG,
214e1eca 3120 },
98e7161c
AK		 3121 {
3122 .name = "read_iolog_chunked",
3123 .lname = "Read I/O log in parts",
3124 .type = FIO_OPT_BOOL,
3125 .off1 = offsetof(struct thread_options, read_iolog_chunked),
3126 .def = "0",
3127 .parent = "read_iolog",
3128 .help = "Parse IO pattern in chunks",
3129 .category = FIO_OPT_C_IO,
3130 .group = FIO_OPT_G_IOLOG,
3131 },
64bbb865
DN		 3132 {
3133 .name = "replay_no_stall",
e8b0e958 3134 .lname = "Don't stall on replay",
20eb06bd 3135 .type = FIO_OPT_BOOL,
a609f12a 3136 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3137 .def = "0",
87e7a972 3138 .parent = "read_iolog",
d71c154c 3139 .hide = 1,
64bbb865 3140 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3141 .category = FIO_OPT_C_IO,
3142 .group = FIO_OPT_G_IOLOG,
64bbb865 3143 },
d1c46c04
DN		 3144 {
3145 .name = "replay_redirect",
e8b0e958 3146 .lname = "Redirect device for replay",
d1c46c04 3147 .type = FIO_OPT_STR_STORE,
a609f12a 3148 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3149 .parent = "read_iolog",
d71c154c 3150 .hide = 1,
d1c46c04 3151 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3152 .category = FIO_OPT_C_IO,
3153 .group = FIO_OPT_G_IOLOG,
d1c46c04 3154 },
0c63576e
JA		 3155 {
3156 .name = "replay_scale",
3157 .lname = "Replace offset scale factor",
3158 .type = FIO_OPT_INT,
a609f12a 3159 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3160 .parent = "read_iolog",
3161 .def = "1",
3162 .help = "Align offsets to this blocksize",
3163 .category = FIO_OPT_C_IO,
3164 .group = FIO_OPT_G_IOLOG,
3165 },
3166 {
3167 .name = "replay_align",
3168 .lname = "Replace alignment",
3169 .type = FIO_OPT_INT,
a609f12a 3170 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3171 .parent = "read_iolog",
3172 .help = "Scale offset down by this factor",
3173 .category = FIO_OPT_C_IO,
3174 .group = FIO_OPT_G_IOLOG,
3175 .pow2 = 1,
3176 },
6dd7fa77
JA		 3177 {
3178 .name = "replay_time_scale",
3179 .lname = "Replay Time Scale",
3180 .type = FIO_OPT_INT,
3181 .off1 = offsetof(struct thread_options, replay_time_scale),
3182 .def = "100",
3183 .minval = 1,
3184 .parent = "read_iolog",
3185 .hide = 1,
3186 .help = "Scale time for replay events",
3187 .category = FIO_OPT_C_IO,
3188 .group = FIO_OPT_G_IOLOG,
3189 },
d7235efb
JA		 3190 {
3191 .name = "replay_skip",
3192 .lname = "Replay Skip",
3193 .type = FIO_OPT_STR,
3194 .cb = str_replay_skip_cb,
3195 .off1 = offsetof(struct thread_options, replay_skip),
3196 .parent = "read_iolog",
3197 .help = "Skip certain IO types (read,write,trim,flush)",
3198 .category = FIO_OPT_C_IO,
3199 .group = FIO_OPT_G_IOLOG,
3200 },
b9921d1a
DZ		 3201 {
3202 .name = "merge_blktrace_file",
3203 .lname = "Merged blktrace output filename",
3204 .type = FIO_OPT_STR_STORE,
3205 .off1 = offsetof(struct thread_options, merge_blktrace_file),
3206 .help = "Merged blktrace output filename",
3207 .category = FIO_OPT_C_IO,
3208 .group = FIO_OPT_G_IOLOG,
3209 },
87a48ada
DZ		 3210 {
3211 .name = "merge_blktrace_scalars",
3212 .lname = "Percentage to scale each trace",
3213 .type = FIO_OPT_FLOAT_LIST,
3214 .off1 = offsetof(struct thread_options, merge_blktrace_scalars),
3215 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3216 .help = "Percentage to scale each trace",
3217 .category = FIO_OPT_C_IO,
3218 .group = FIO_OPT_G_IOLOG,
3219 },
214e1eca
JA		 3220 {
3221 .name = "exec_prerun",
e8b0e958 3222 .lname = "Pre-execute runnable",
214e1eca 3223 .type = FIO_OPT_STR_STORE,
a609f12a 3224 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3225 .help = "Execute this file prior to running job",
e8b0e958
JA		 3226 .category = FIO_OPT_C_GENERAL,
3227 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3228 },
3229 {
3230 .name = "exec_postrun",
e8b0e958 3231 .lname = "Post-execute runnable",
214e1eca 3232 .type = FIO_OPT_STR_STORE,
a609f12a 3233 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3234 .help = "Execute this file after running job",
e8b0e958
JA		 3235 .category = FIO_OPT_C_GENERAL,
3236 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3237 },
3238#ifdef FIO_HAVE_IOSCHED_SWITCH
3239 {
3240 .name = "ioscheduler",
e8b0e958 3241 .lname = "I/O scheduler",
214e1eca 3242 .type = FIO_OPT_STR_STORE,
a609f12a 3243 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3244 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3245 .category = FIO_OPT_C_FILE,
3246 .group = FIO_OPT_G_INVALID,
214e1eca 3247 },
a275c37a
JA		 3248#else
3249 {
3250 .name = "ioscheduler",
3251 .lname = "I/O scheduler",
3252 .type = FIO_OPT_UNSUPPORTED,
3253 .help = "Your platform does not support IO scheduler switching",
3254 },
214e1eca 3255#endif
7b865a2f
BVA		 3256 {
3257 .name = "zonemode",
3258 .lname = "Zone mode",
3259 .help = "Mode for the zonesize, zonerange and zoneskip parameters",
3260 .type = FIO_OPT_STR,
3261 .off1 = offsetof(struct thread_options, zone_mode),
3262 .def = "none",
3263 .category = FIO_OPT_C_IO,
3264 .group = FIO_OPT_G_ZONE,
3265 .posval = {
3266 { .ival = "none",
3267 .oval = ZONE_MODE_NONE,
3268 .help = "no zoning",
3269 },
3270 { .ival = "strided",
3271 .oval = ZONE_MODE_STRIDED,
3272 .help = "strided mode - random I/O is restricted to a single zone",
3273 },
3274 { .ival = "zbd",
3275 .oval = ZONE_MODE_ZBD,
3276 .help = "zoned block device mode - random I/O selects one of multiple zones randomly",
3277 },
3278 },
3279 },
214e1eca
JA		 3280 {
3281 .name = "zonesize",
e8b0e958 3282 .lname = "Zone size",
214e1eca 3283 .type = FIO_OPT_STR_VAL,
a609f12a 3284 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3285 .help = "Amount of data to read per zone",
3286 .def = "0",
20eb06bd 3287 .interval = 1024 * 1024,
e8b0e958
JA		 3288 .category = FIO_OPT_C_IO,
3289 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3290 },
3291 {
3292 .name = "zonerange",
e8b0e958 3293 .lname = "Zone range",
ed335855 3294 .type = FIO_OPT_STR_VAL,
a609f12a 3295 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3296 .help = "Give size of an IO zone",
3297 .def = "0",
20eb06bd 3298 .interval = 1024 * 1024,
e8b0e958
JA		 3299 .category = FIO_OPT_C_IO,
3300 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3301 },
3302 {
3303 .name = "zoneskip",
e8b0e958 3304 .lname = "Zone skip",
214e1eca 3305 .type = FIO_OPT_STR_VAL,
a609f12a 3306 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3307 .help = "Space between IO zones",
3308 .def = "0",
20eb06bd 3309 .interval = 1024 * 1024,
e8b0e958
JA		 3310 .category = FIO_OPT_C_IO,
3311 .group = FIO_OPT_G_ZONE,
214e1eca 3312 },
bfbdd35b
BVA		 3313 {
3314 .name = "read_beyond_wp",
3315 .lname = "Allow reads beyond the zone write pointer",
3316 .type = FIO_OPT_BOOL,
3317 .off1 = offsetof(struct thread_options, read_beyond_wp),
3318 .help = "Allow reads beyond the zone write pointer",
3319 .def = "0",
3320 .category = FIO_OPT_C_IO,
3321 .group = FIO_OPT_G_INVALID,
3322 },
59b07544
BVA		 3323 {
3324 .name = "max_open_zones",
3325 .lname = "Maximum number of open zones",
3326 .type = FIO_OPT_INT,
3327 .off1 = offsetof(struct thread_options, max_open_zones),
3328 .maxval = FIO_MAX_OPEN_ZBD_ZONES,
3329 .help = "Limit random writes to SMR drives to the specified"
3330 " number of sequential zones",
3331 .def = "0",
3332 .category = FIO_OPT_C_IO,
3333 .group = FIO_OPT_G_INVALID,
3334 },
a7c2b6fc
BVA		 3335 {
3336 .name = "zone_reset_threshold",
3337 .lname = "Zone reset threshold",
3338 .help = "Zoned block device reset threshold",
3339 .type = FIO_OPT_FLOAT_LIST,
3340 .maxlen = 1,
3341 .off1 = offsetof(struct thread_options, zrt),
3342 .minfp = 0,
3343 .maxfp = 1,
3344 .category = FIO_OPT_C_IO,
3345 .group = FIO_OPT_G_ZONE,
3346 },
3347 {
3348 .name = "zone_reset_frequency",
3349 .lname = "Zone reset frequency",
3350 .help = "Zoned block device zone reset frequency in HZ",
3351 .type = FIO_OPT_FLOAT_LIST,
3352 .maxlen = 1,
3353 .off1 = offsetof(struct thread_options, zrf),
3354 .minfp = 0,
3355 .maxfp = 1,
3356 .category = FIO_OPT_C_IO,
3357 .group = FIO_OPT_G_ZONE,
3358 },
214e1eca
JA		 3359 {
3360 .name = "lockmem",
e8b0e958 3361 .lname = "Lock memory",
214e1eca 3362 .type = FIO_OPT_STR_VAL,
a609f12a 3363 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3364 .help = "Lock down this amount of memory (per worker)",
214e1eca 3365 .def = "0",
20eb06bd 3366 .interval = 1024 * 1024,
e8b0e958
JA		 3367 .category = FIO_OPT_C_GENERAL,
3368 .group = FIO_OPT_G_INVALID,
214e1eca 3369 },
214e1eca
JA		 3370 {
3371 .name = "rwmixread",
e8b0e958 3372 .lname = "Read/write mix read",
214e1eca 3373 .type = FIO_OPT_INT,
cb499fc4 3374 .cb = str_rwmix_read_cb,
a609f12a 3375 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3376 .maxval = 100,
3377 .help = "Percentage of mixed workload that is reads",
3378 .def = "50",
20eb06bd 3379 .interval = 5,
90265353 3380 .inverse = "rwmixwrite",
e8b0e958
JA		 3381 .category = FIO_OPT_C_IO,
3382 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3383 },
3384 {
3385 .name = "rwmixwrite",
e8b0e958 3386 .lname = "Read/write mix write",
214e1eca 3387 .type = FIO_OPT_INT,
cb499fc4 3388 .cb = str_rwmix_write_cb,
a609f12a 3389 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3390 .maxval = 100,
3391 .help = "Percentage of mixed workload that is writes",
3392 .def = "50",
20eb06bd 3393 .interval = 5,
90265353 3394 .inverse = "rwmixread",
e8b0e958
JA		 3395 .category = FIO_OPT_C_IO,
3396 .group = FIO_OPT_G_RWMIX,
214e1eca 3397 },
afdf9352
JA		 3398 {
3399 .name = "rwmixcycle",
e8b0e958 3400 .lname = "Read/write mix cycle",
15ca150e 3401 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3402 .category = FIO_OPT_C_IO,
3403 .group = FIO_OPT_G_RWMIX,
afdf9352 3404 },
214e1eca
JA		 3405 {
3406 .name = "nice",
e8b0e958 3407 .lname = "Nice",
214e1eca 3408 .type = FIO_OPT_INT,
a609f12a 3409 .off1 = offsetof(struct thread_options, nice),
214e1eca 3410 .help = "Set job CPU nice value",
11fd6aa8
RC		 3411 .minval = -20,
3412 .maxval = 19,
214e1eca 3413 .def = "0",
20eb06bd 3414 .interval = 1,
e8b0e958 3415 .category = FIO_OPT_C_GENERAL,
10860056 3416 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3417 },
3418#ifdef FIO_HAVE_IOPRIO
3419 {
3420 .name = "prio",
e8b0e958 3421 .lname = "I/O nice priority",
214e1eca 3422 .type = FIO_OPT_INT,
a609f12a 3423 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3424 .help = "Set job IO priority value",
1767bd34
TK		 3425 .minval = IOPRIO_MIN_PRIO,
3426 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3427 .interval = 1,
e8b0e958 3428 .category = FIO_OPT_C_GENERAL,
10860056 3429 .group = FIO_OPT_G_CRED,
214e1eca 3430 },
32ef447a
TK		 3431#else
3432 {
3433 .name = "prio",
3434 .lname = "I/O nice priority",
3435 .type = FIO_OPT_UNSUPPORTED,
3436 .help = "Your platform does not support IO priorities",
3437 },
3438#endif
3439#ifdef FIO_HAVE_IOPRIO_CLASS
3440#ifndef FIO_HAVE_IOPRIO
3441#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3442#endif
214e1eca
JA		 3443 {
3444 .name = "prioclass",
e8b0e958 3445 .lname = "I/O nice priority class",
214e1eca 3446 .type = FIO_OPT_INT,
a609f12a 3447 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3448 .help = "Set job IO priority class",
1767bd34
TK		 3449 .minval = IOPRIO_MIN_PRIO_CLASS,
3450 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3451 .interval = 1,
e8b0e958 3452 .category = FIO_OPT_C_GENERAL,
10860056 3453 .group = FIO_OPT_G_CRED,
214e1eca 3454 },
a275c37a 3455#else
a275c37a
JA		 3456 {
3457 .name = "prioclass",
3458 .lname = "I/O nice priority class",
3459 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3460 .help = "Your platform does not support IO priority classes",
a275c37a 3461 },
214e1eca
JA		 3462#endif
3463 {
3464 .name = "thinktime",
e8b0e958 3465 .lname = "Thinktime",
214e1eca 3466 .type = FIO_OPT_INT,
a609f12a 3467 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3468 .help = "Idle time between IO buffers (usec)",
3469 .def = "0",
88038bc7 3470 .is_time = 1,
e8b0e958 3471 .category = FIO_OPT_C_IO,
3ceb458f 3472 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3473 },
3474 {
3475 .name = "thinktime_spin",
e8b0e958 3476 .lname = "Thinktime spin",
214e1eca 3477 .type = FIO_OPT_INT,
a609f12a 3478 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3479 .help = "Start think time by spinning this amount (usec)",
3480 .def = "0",
88038bc7 3481 .is_time = 1,
afdf9352 3482 .parent = "thinktime",
d71c154c 3483 .hide = 1,
e8b0e958 3484 .category = FIO_OPT_C_IO,
3ceb458f 3485 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3486 },
3487 {
3488 .name = "thinktime_blocks",
e8b0e958 3489 .lname = "Thinktime blocks",
214e1eca 3490 .type = FIO_OPT_INT,
a609f12a 3491 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3492 .help = "IO buffer period between 'thinktime'",
3493 .def = "1",
afdf9352 3494 .parent = "thinktime",
d71c154c 3495 .hide = 1,
e8b0e958 3496 .category = FIO_OPT_C_IO,
3ceb458f 3497 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3498 },
3499 {
3500 .name = "rate",
e8b0e958 3501 .lname = "I/O rate",
e01b22b8 3502 .type = FIO_OPT_INT,
a609f12a
JA		 3503 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3504 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3505 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3506 .help = "Set bandwidth rate",
e8b0e958
JA		 3507 .category = FIO_OPT_C_IO,
3508 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3509 },
3510 {
6d428bcd
JA		 3511 .name = "rate_min",
3512 .alias = "ratemin",
e8b0e958 3513 .lname = "I/O min rate",
e01b22b8 3514 .type = FIO_OPT_INT,
a609f12a
JA		 3515 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3516 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3517 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3518 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3519 .parent = "rate",
d71c154c 3520 .hide = 1,
e8b0e958
JA		 3521 .category = FIO_OPT_C_IO,
3522 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3523 },
3524 {
3525 .name = "rate_iops",
e8b0e958 3526 .lname = "I/O rate IOPS",
e01b22b8 3527 .type = FIO_OPT_INT,
a609f12a
JA		 3528 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3529 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3530 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3531 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3532 .hide = 1,
e8b0e958
JA		 3533 .category = FIO_OPT_C_IO,
3534 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3535 },
3536 {
3537 .name = "rate_iops_min",
e8b0e958 3538 .lname = "I/O min rate IOPS",
e01b22b8 3539 .type = FIO_OPT_INT,
a609f12a
JA		 3540 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3541 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3542 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3543 .help = "Job must meet this rate or it will be shut down",
afdf9352 3544 .parent = "rate_iops",
d71c154c 3545 .hide = 1,
e8b0e958
JA		 3546 .category = FIO_OPT_C_IO,
3547 .group = FIO_OPT_G_RATE,
214e1eca 3548 },
ff6bb260 3549 {
6de65959
JA		 3550 .name = "rate_process",
3551 .lname = "Rate Process",
3552 .type = FIO_OPT_STR,
a609f12a 3553 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3554 .help = "What process controls how rated IO is managed",
3555 .def = "linear",
ff6bb260
SL		 3556 .category = FIO_OPT_C_IO,
3557 .group = FIO_OPT_G_RATE,
6de65959
JA		 3558 .posval = {
3559 { .ival = "linear",
3560 .oval = RATE_PROCESS_LINEAR,
3561 .help = "Linear rate of IO",
3562 },
3563 {
3564 .ival = "poisson",
3565 .oval = RATE_PROCESS_POISSON,
3566 .help = "Rate follows Poisson process",
3567 },
3568 },
3569 .parent = "rate",
ff6bb260 3570 },
214e1eca 3571 {
6d428bcd
JA		 3572 .name = "rate_cycle",
3573 .alias = "ratecycle",
e8b0e958 3574 .lname = "I/O rate cycle",
214e1eca 3575 .type = FIO_OPT_INT,
a609f12a 3576 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3577 .help = "Window average for rate limits (msec)",
3578 .def = "1000",
afdf9352 3579 .parent = "rate",
d71c154c 3580 .hide = 1,
e8b0e958
JA		 3581 .category = FIO_OPT_C_IO,
3582 .group = FIO_OPT_G_RATE,
214e1eca 3583 },
1a9bf814
JA		 3584 {
3585 .name = "rate_ignore_thinktime",
3586 .lname = "Rate ignore thinktime",
3587 .type = FIO_OPT_BOOL,
3588 .off1 = offsetof(struct thread_options, rate_ign_think),
3589 .help = "Rated IO ignores thinktime settings",
3590 .parent = "rate",
3591 .category = FIO_OPT_C_IO,
3592 .group = FIO_OPT_G_RATE,
3593 },
15501535
JA		 3594 {
3595 .name = "max_latency",
dd97d866 3596 .lname = "Max Latency (usec)",
6c3fb04c 3597 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3598 .off1 = offsetof(struct thread_options, max_latency),
15501535 3599 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3600 .is_time = 1,
1e5324e7 3601 .category = FIO_OPT_C_IO,
3e260a46
JA		 3602 .group = FIO_OPT_G_LATPROF,
3603 },
3604 {
3605 .name = "latency_target",
3606 .lname = "Latency Target (usec)",
3607 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3608 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3609 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3610 .is_time = 1,
3e260a46
JA		 3611 .category = FIO_OPT_C_IO,
3612 .group = FIO_OPT_G_LATPROF,
3613 },
3614 {
3615 .name = "latency_window",
3616 .lname = "Latency Window (usec)",
3617 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3618 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3619 .help = "Time to sustain latency_target",
88038bc7 3620 .is_time = 1,
3e260a46
JA		 3621 .category = FIO_OPT_C_IO,
3622 .group = FIO_OPT_G_LATPROF,
3623 },
3624 {
3625 .name = "latency_percentile",
3626 .lname = "Latency Percentile",
3627 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3628 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3629 .help = "Percentile of IOs must be below latency_target",
3630 .def = "100",
3631 .maxlen = 1,
3632 .minfp = 0.0,
3633 .maxfp = 100.0,
3634 .category = FIO_OPT_C_IO,
3635 .group = FIO_OPT_G_LATPROF,
15501535 3636 },
214e1eca
JA		 3637 {
3638 .name = "invalidate",
e8b0e958 3639 .lname = "Cache invalidate",
214e1eca 3640 .type = FIO_OPT_BOOL,
a609f12a 3641 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3642 .help = "Invalidate buffer/page cache prior to running job",
3643 .def = "1",
e8b0e958 3644 .category = FIO_OPT_C_IO,
3ceb458f 3645 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3646 },
3647 {
3648 .name = "sync",
e8b0e958 3649 .lname = "Synchronous I/O",
214e1eca 3650 .type = FIO_OPT_BOOL,
a609f12a 3651 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3652 .help = "Use O_SYNC for buffered writes",
3653 .def = "0",
67a1000f 3654 .parent = "buffered",
d71c154c 3655 .hide = 1,
e8b0e958 3656 .category = FIO_OPT_C_IO,
3ceb458f 3657 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3658 },
ae8e559e
JA		 3659#ifdef FIO_HAVE_WRITE_HINT
3660 {
3661 .name = "write_hint",
3662 .lname = "Write hint",
3663 .type = FIO_OPT_STR,
3664 .off1 = offsetof(struct thread_options, write_hint),
3665 .help = "Set expected write life time",
3666 .category = FIO_OPT_C_ENGINE,
3667 .group = FIO_OPT_G_INVALID,
3668 .posval = {
3669 { .ival = "none",
3670 .oval = RWH_WRITE_LIFE_NONE,
3671 },
3672 { .ival = "short",
3673 .oval = RWH_WRITE_LIFE_SHORT,
3674 },
3675 { .ival = "medium",
3676 .oval = RWH_WRITE_LIFE_MEDIUM,
3677 },
3678 { .ival = "long",
3679 .oval = RWH_WRITE_LIFE_LONG,
3680 },
3681 { .ival = "extreme",
3682 .oval = RWH_WRITE_LIFE_EXTREME,
3683 },
3684 },
3685 },
3686#endif
214e1eca
JA		 3687 {
3688 .name = "create_serialize",
e8b0e958 3689 .lname = "Create serialize",
214e1eca 3690 .type = FIO_OPT_BOOL,
a609f12a 3691 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3692 .help = "Serialize creation of job files",
214e1eca 3693 .def = "1",
e8b0e958
JA		 3694 .category = FIO_OPT_C_FILE,
3695 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3696 },
3697 {
3698 .name = "create_fsync",
e8b0e958 3699 .lname = "Create fsync",
214e1eca 3700 .type = FIO_OPT_BOOL,
a609f12a 3701 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3702 .help = "fsync file after creation",
214e1eca 3703 .def = "1",
e8b0e958
JA		 3704 .category = FIO_OPT_C_FILE,
3705 .group = FIO_OPT_G_INVALID,
214e1eca 3706 },
814452bd
JA		 3707 {
3708 .name = "create_on_open",
e8b0e958 3709 .lname = "Create on open",
814452bd 3710 .type = FIO_OPT_BOOL,
a609f12a 3711 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3712 .help = "Create files when they are opened for IO",
3713 .def = "0",
e8b0e958
JA		 3714 .category = FIO_OPT_C_FILE,
3715 .group = FIO_OPT_G_INVALID,
814452bd 3716 },
25460cf6
JA		 3717 {
3718 .name = "create_only",
cce2fdfe 3719 .lname = "Create Only",
25460cf6 3720 .type = FIO_OPT_BOOL,
a609f12a 3721 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3722 .help = "Only perform file creation phase",
d17fda71 3723 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3724 .def = "0",
3725 },
2378826d
JA		 3726 {
3727 .name = "allow_file_create",
e81ecca3 3728 .lname = "Allow file create",
2378826d 3729 .type = FIO_OPT_BOOL,
a609f12a 3730 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3731 .help = "Permit fio to create files, if they don't exist",
3732 .def = "1",
3733 .category = FIO_OPT_C_FILE,
3734 .group = FIO_OPT_G_FILENAME,
3735 },
e81ecca3
JA		 3736 {
3737 .name = "allow_mounted_write",
3738 .lname = "Allow mounted write",
3739 .type = FIO_OPT_BOOL,
a609f12a 3740 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3741 .help = "Allow writes to a mounted partition",
3742 .def = "0",
3743 .category = FIO_OPT_C_FILE,
3744 .group = FIO_OPT_G_FILENAME,
3745 },
0b9d69ec 3746 {
afad68f7 3747 .name = "pre_read",
e8b0e958 3748 .lname = "Pre-read files",
afad68f7 3749 .type = FIO_OPT_BOOL,
a609f12a 3750 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3751 .help = "Pre-read files before starting official testing",
afad68f7 3752 .def = "0",
e8b0e958
JA		 3753 .category = FIO_OPT_C_FILE,
3754 .group = FIO_OPT_G_INVALID,
afad68f7 3755 },
214e1eca
JA		 3756#ifdef FIO_HAVE_CPU_AFFINITY
3757 {
3758 .name = "cpumask",
e8b0e958 3759 .lname = "CPU mask",
214e1eca
JA		 3760 .type = FIO_OPT_INT,
3761 .cb = str_cpumask_cb,
a609f12a 3762 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3763 .help = "CPU affinity mask",
e8b0e958 3764 .category = FIO_OPT_C_GENERAL,
10860056 3765 .group = FIO_OPT_G_CRED,
214e1eca 3766 },
d2e268b0
JA		 3767 {
3768 .name = "cpus_allowed",
e8b0e958 3769 .lname = "CPUs allowed",
d2e268b0
JA		 3770 .type = FIO_OPT_STR,
3771 .cb = str_cpus_allowed_cb,
a609f12a 3772 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3773 .help = "Set CPUs allowed",
e8b0e958 3774 .category = FIO_OPT_C_GENERAL,
10860056 3775 .group = FIO_OPT_G_CRED,
d2e268b0 3776 },
c2acfbac
JA		 3777 {
3778 .name = "cpus_allowed_policy",
3779 .lname = "CPUs allowed distribution policy",
3780 .type = FIO_OPT_STR,
a609f12a 3781 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3782 .help = "Distribution policy for cpus_allowed",
3783 .parent = "cpus_allowed",
3784 .prio = 1,
3785 .posval = {
3786 { .ival = "shared",
3787 .oval = FIO_CPUS_SHARED,
3788 .help = "Mask shared between threads",
3789 },
3790 { .ival = "split",
3791 .oval = FIO_CPUS_SPLIT,
3792 .help = "Mask split between threads",
3793 },
3794 },
3795 .category = FIO_OPT_C_GENERAL,
3796 .group = FIO_OPT_G_CRED,
3797 },
a275c37a
JA		 3798#else
3799 {
3800 .name = "cpumask",
3801 .lname = "CPU mask",
3802 .type = FIO_OPT_UNSUPPORTED,
3803 .help = "Your platform does not support CPU affinities",
3804 },
3805 {
3806 .name = "cpus_allowed",
3807 .lname = "CPUs allowed",
3808 .type = FIO_OPT_UNSUPPORTED,
3809 .help = "Your platform does not support CPU affinities",
3810 },
3811 {
3812 .name = "cpus_allowed_policy",
3813 .lname = "CPUs allowed distribution policy",
3814 .type = FIO_OPT_UNSUPPORTED,
3815 .help = "Your platform does not support CPU affinities",
3816 },
d0b937ed 3817#endif
67bf9823 3818#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3819 {
3820 .name = "numa_cpu_nodes",
cce2fdfe 3821 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3822 .type = FIO_OPT_STR,
3823 .cb = str_numa_cpunodes_cb,
a609f12a 3824 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3825 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3826 .category = FIO_OPT_C_GENERAL,
3827 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3828 },
3829 {
3830 .name = "numa_mem_policy",
cce2fdfe 3831 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3832 .type = FIO_OPT_STR,
3833 .cb = str_numa_mpol_cb,
a609f12a 3834 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3835 .help = "NUMA memory policy setup",
6be54b2d
JA		 3836 .category = FIO_OPT_C_GENERAL,
3837 .group = FIO_OPT_G_INVALID,
d0b937ed 3838 },
a275c37a
JA		 3839#else
3840 {
3841 .name = "numa_cpu_nodes",
3842 .lname = "NUMA CPU Nodes",
3843 .type = FIO_OPT_UNSUPPORTED,
3844 .help = "Build fio with libnuma-dev(el) to enable this option",
3845 },
3846 {
3847 .name = "numa_mem_policy",
3848 .lname = "NUMA Memory Policy",
3849 .type = FIO_OPT_UNSUPPORTED,
3850 .help = "Build fio with libnuma-dev(el) to enable this option",
3851 },
03553853
YR		 3852#endif
3853#ifdef CONFIG_CUDA
3854 {
3855 .name = "gpu_dev_id",
3856 .lname = "GPU device ID",
3857 .type = FIO_OPT_INT,
3858 .off1 = offsetof(struct thread_options, gpu_dev_id),
3859 .help = "Set GPU device ID for GPUDirect RDMA",
3860 .def = "0",
3861 .category = FIO_OPT_C_GENERAL,
3862 .group = FIO_OPT_G_INVALID,
3863 },
214e1eca
JA		 3864#endif
3865 {
3866 .name = "end_fsync",
e8b0e958 3867 .lname = "End fsync",
214e1eca 3868 .type = FIO_OPT_BOOL,
a609f12a 3869 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3870 .help = "Include fsync at the end of job",
3871 .def = "0",
e8b0e958
JA		 3872 .category = FIO_OPT_C_FILE,
3873 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3874 },
3875 {
3876 .name = "fsync_on_close",
e8b0e958 3877 .lname = "Fsync on close",
214e1eca 3878 .type = FIO_OPT_BOOL,
a609f12a 3879 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3880 .help = "fsync files on close",
3881 .def = "0",
e8b0e958
JA		 3882 .category = FIO_OPT_C_FILE,
3883 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3884 },
3885 {
3886 .name = "unlink",
e8b0e958 3887 .lname = "Unlink file",
214e1eca 3888 .type = FIO_OPT_BOOL,
a609f12a 3889 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3890 .help = "Unlink created files after job has completed",
3891 .def = "0",
e8b0e958
JA		 3892 .category = FIO_OPT_C_FILE,
3893 .group = FIO_OPT_G_INVALID,
214e1eca 3894 },
39c1c323 3895 {
3896 .name = "unlink_each_loop",
3897 .lname = "Unlink file after each loop of a job",
3898 .type = FIO_OPT_BOOL,
a609f12a 3899 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3900 .help = "Unlink created files after each loop in a job has completed",
3901 .def = "0",
3902 .category = FIO_OPT_C_FILE,
3903 .group = FIO_OPT_G_INVALID,
3904 },
214e1eca
JA		 3905 {
3906 .name = "exitall",
e8b0e958 3907 .lname = "Exit-all on terminate",
214e1eca
JA		 3908 .type = FIO_OPT_STR_SET,
3909 .cb = str_exitall_cb,
3910 .help = "Terminate all jobs when one exits",
e8b0e958 3911 .category = FIO_OPT_C_GENERAL,
a1f6afec 3912 .group = FIO_OPT_G_PROCESS,
214e1eca 3913 },
f9cafb12
JA		 3914 {
3915 .name = "exitall_on_error",
3916 .lname = "Exit-all on terminate in error",
78abcf9b 3917 .type = FIO_OPT_STR_SET,
a609f12a 3918 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3919 .help = "Terminate all jobs when one exits in error",
3920 .category = FIO_OPT_C_GENERAL,
3921 .group = FIO_OPT_G_PROCESS,
3922 },
214e1eca
JA		 3923 {
3924 .name = "stonewall",
e8b0e958 3925 .lname = "Wait for previous",
d392365e 3926 .alias = "wait_for_previous",
214e1eca 3927 .type = FIO_OPT_STR_SET,
a609f12a 3928 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3929 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3930 .category = FIO_OPT_C_GENERAL,
a1f6afec 3931 .group = FIO_OPT_G_PROCESS,
214e1eca 3932 },
b3d62a75
JA		 3933 {
3934 .name = "new_group",
e8b0e958 3935 .lname = "New group",
b3d62a75 3936 .type = FIO_OPT_STR_SET,
a609f12a 3937 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3938 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3939 .category = FIO_OPT_C_GENERAL,
a1f6afec 3940 .group = FIO_OPT_G_PROCESS,
b3d62a75 3941 },
214e1eca
JA		 3942 {
3943 .name = "thread",
e8b0e958 3944 .lname = "Thread",
214e1eca 3945 .type = FIO_OPT_STR_SET,
a609f12a 3946 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3947 .help = "Use threads instead of processes",
c8931876
JA		 3948#ifdef CONFIG_NO_SHM
3949 .def = "1",
3950 .no_warn_def = 1,
3951#endif
e8b0e958 3952 .category = FIO_OPT_C_GENERAL,
a1f6afec 3953 .group = FIO_OPT_G_PROCESS,
214e1eca 3954 },
3a5db920
JA		 3955 {
3956 .name = "per_job_logs",
cce2fdfe 3957 .lname = "Per Job Logs",
3a5db920 3958 .type = FIO_OPT_BOOL,
a609f12a 3959 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3960 .help = "Include job number in generated log files or not",
3961 .def = "1",
3962 .category = FIO_OPT_C_LOG,
3963 .group = FIO_OPT_G_INVALID,
3964 },
214e1eca
JA		 3965 {
3966 .name = "write_bw_log",
e8b0e958 3967 .lname = "Write bandwidth log",
dded427c 3968 .type = FIO_OPT_STR,
a609f12a 3969 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3970 .cb = str_write_bw_log_cb,
214e1eca 3971 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3972 .category = FIO_OPT_C_LOG,
3973 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3974 },
3975 {
3976 .name = "write_lat_log",
e8b0e958 3977 .lname = "Write latency log",
dded427c 3978 .type = FIO_OPT_STR,
a609f12a 3979 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3980 .cb = str_write_lat_log_cb,
214e1eca 3981 .help = "Write log of latency during run",
e8b0e958
JA		 3982 .category = FIO_OPT_C_LOG,
3983 .group = FIO_OPT_G_INVALID,
214e1eca 3984 },
c8eeb9df
JA		 3985 {
3986 .name = "write_iops_log",
e8b0e958 3987 .lname = "Write IOPS log",
dded427c 3988 .type = FIO_OPT_STR,
a609f12a 3989 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3990 .cb = str_write_iops_log_cb,
c8eeb9df 3991 .help = "Write log of IOPS during run",
e8b0e958
JA		 3992 .category = FIO_OPT_C_LOG,
3993 .group = FIO_OPT_G_INVALID,
c8eeb9df 3994 },
b8bc8cba
JA		 3995 {
3996 .name = "log_avg_msec",
e8b0e958 3997 .lname = "Log averaging (msec)",
b8bc8cba 3998 .type = FIO_OPT_INT,
a609f12a 3999 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 4000 .help = "Average bw/iops/lat logs over this period of time",
4001 .def = "0",
e8b0e958 4002 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 4003 .group = FIO_OPT_G_INVALID,
4004 },
4005 {
4006 .name = "log_hist_msec",
4007 .lname = "Log histograms (msec)",
4008 .type = FIO_OPT_INT,
a609f12a 4009 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 4010 .help = "Dump completion latency histograms at frequency of this time value",
4011 .def = "0",
4012 .category = FIO_OPT_C_LOG,
4013 .group = FIO_OPT_G_INVALID,
4014 },
4015 {
4016 .name = "log_hist_coarseness",
4017 .lname = "Histogram logs coarseness",
4018 .type = FIO_OPT_INT,
a609f12a 4019 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 4020 .help = "Integer in range [0,6]. Higher coarseness outputs"
4021 " fewer histogram bins per sample. The number of bins for"
4022 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
4023 .def = "0",
4024 .category = FIO_OPT_C_LOG,
4025 .group = FIO_OPT_G_INVALID,
4026 },
4027 {
4028 .name = "write_hist_log",
4029 .lname = "Write latency histogram logs",
dded427c 4030 .type = FIO_OPT_STR,
a609f12a 4031 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 4032 .cb = str_write_hist_log_cb,
1e613c9c
KC		 4033 .help = "Write log of latency histograms during run",
4034 .category = FIO_OPT_C_LOG,
e8b0e958 4035 .group = FIO_OPT_G_INVALID,
b8bc8cba 4036 },
e6989e10
JA		 4037 {
4038 .name = "log_max_value",
4039 .lname = "Log maximum instead of average",
4040 .type = FIO_OPT_BOOL,
a609f12a 4041 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 4042 .help = "Log max sample in a window instead of average",
4043 .def = "0",
4044 .category = FIO_OPT_C_LOG,
4045 .group = FIO_OPT_G_INVALID,
4046 },
ae588852
JA		 4047 {
4048 .name = "log_offset",
4049 .lname = "Log offset of IO",
4050 .type = FIO_OPT_BOOL,
a609f12a 4051 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 4052 .help = "Include offset of IO for each log entry",
4053 .def = "0",
4054 .category = FIO_OPT_C_LOG,
4055 .group = FIO_OPT_G_INVALID,
4056 },
aee2ab67
JA		 4057#ifdef CONFIG_ZLIB
4058 {
4059 .name = "log_compression",
4060 .lname = "Log compression",
4061 .type = FIO_OPT_INT,
a609f12a 4062 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 4063 .help = "Log in compressed chunks of this size",
9919b27b 4064 .minval = 1024ULL,
aee2ab67
JA		 4065 .maxval = 512 * 1024 * 1024ULL,
4066 .category = FIO_OPT_C_LOG,
4067 .group = FIO_OPT_G_INVALID,
4068 },
c08f9fe2
JA		 4069#ifdef FIO_HAVE_CPU_AFFINITY
4070 {
4071 .name = "log_compression_cpus",
4072 .lname = "Log Compression CPUs",
4073 .type = FIO_OPT_STR,
4074 .cb = str_log_cpus_allowed_cb,
a609f12a 4075 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 4076 .parent = "log_compression",
4077 .help = "Limit log compression to these CPUs",
4078 .category = FIO_OPT_C_LOG,
4079 .group = FIO_OPT_G_INVALID,
4080 },
a275c37a
JA		 4081#else
4082 {
4083 .name = "log_compression_cpus",
4084 .lname = "Log Compression CPUs",
4085 .type = FIO_OPT_UNSUPPORTED,
4086 .help = "Your platform does not support CPU affinities",
4087 },
c08f9fe2 4088#endif
b26317c9
JA		 4089 {
4090 .name = "log_store_compressed",
4091 .lname = "Log store compressed",
4092 .type = FIO_OPT_BOOL,
a609f12a 4093 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 4094 .help = "Store logs in a compressed format",
4095 .category = FIO_OPT_C_LOG,
4096 .group = FIO_OPT_G_INVALID,
4097 },
a275c37a
JA		 4098#else
4099 {
4100 .name = "log_compression",
4101 .lname = "Log compression",
4102 .type = FIO_OPT_UNSUPPORTED,
4103 .help = "Install libz-dev(el) to get compression support",
4104 },
4105 {
4106 .name = "log_store_compressed",
4107 .lname = "Log store compressed",
4108 .type = FIO_OPT_UNSUPPORTED,
4109 .help = "Install libz-dev(el) to get compression support",
4110 },
aee2ab67 4111#endif
3aea75b1
KC		 4112 {
4113 .name = "log_unix_epoch",
4114 .lname = "Log epoch unix",
4115 .type = FIO_OPT_BOOL,
4116 .off1 = offsetof(struct thread_options, log_unix_epoch),
4117 .help = "Use Unix time in log files",
4118 .category = FIO_OPT_C_LOG,
4119 .group = FIO_OPT_G_INVALID,
4120 },
66347cfa
DE		 4121 {
4122 .name = "block_error_percentiles",
4123 .lname = "Block error percentiles",
4124 .type = FIO_OPT_BOOL,
a609f12a 4125 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 4126 .help = "Record trim block errors and make a histogram",
4127 .def = "0",
4128 .category = FIO_OPT_C_LOG,
4129 .group = FIO_OPT_G_INVALID,
4130 },
c504ee55
JA		 4131 {
4132 .name = "bwavgtime",
4133 .lname = "Bandwidth average time",
4134 .type = FIO_OPT_INT,
a609f12a 4135 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 4136 .help = "Time window over which to calculate bandwidth"
4137 " (msec)",
4138 .def = "500",
4139 .parent = "write_bw_log",
4140 .hide = 1,
4141 .interval = 100,
4142 .category = FIO_OPT_C_LOG,
4143 .group = FIO_OPT_G_INVALID,
4144 },
4145 {
4146 .name = "iopsavgtime",
4147 .lname = "IOPS average time",
4148 .type = FIO_OPT_INT,
a609f12a 4149 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 4150 .help = "Time window over which to calculate IOPS (msec)",
4151 .def = "500",
4152 .parent = "write_iops_log",
4153 .hide = 1,
4154 .interval = 100,
4155 .category = FIO_OPT_C_LOG,
4156 .group = FIO_OPT_G_INVALID,
4157 },
214e1eca
JA		 4158 {
4159 .name = "group_reporting",
e8b0e958 4160 .lname = "Group reporting",
d2507043 4161 .type = FIO_OPT_STR_SET,
a609f12a 4162 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 4163 .help = "Do reporting on a per-group basis",
10860056 4164 .category = FIO_OPT_C_STAT,
e8b0e958 4165 .group = FIO_OPT_G_INVALID,
214e1eca 4166 },
8243be59
JA		 4167 {
4168 .name = "stats",
4169 .lname = "Stats",
4170 .type = FIO_OPT_BOOL,
4171 .off1 = offsetof(struct thread_options, stats),
4172 .help = "Enable collection of stats",
4173 .def = "1",
4174 .category = FIO_OPT_C_STAT,
4175 .group = FIO_OPT_G_INVALID,
4176 },
e9459e5a
JA		 4177 {
4178 .name = "zero_buffers",
e8b0e958 4179 .lname = "Zero I/O buffers",
e9459e5a 4180 .type = FIO_OPT_STR_SET,
a609f12a 4181 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4182 .help = "Init IO buffers to all zeroes",
e8b0e958 4183 .category = FIO_OPT_C_IO,
3ceb458f 4184 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4185 },
5973cafb
JA		 4186 {
4187 .name = "refill_buffers",
e8b0e958 4188 .lname = "Refill I/O buffers",
5973cafb 4189 .type = FIO_OPT_STR_SET,
a609f12a 4190 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4191 .help = "Refill IO buffers on every IO submit",
e8b0e958 4192 .category = FIO_OPT_C_IO,
3ceb458f 4193 .group = FIO_OPT_G_IO_BUF,
5973cafb 4194 },
fd68418e
JA		 4195 {
4196 .name = "scramble_buffers",
e8b0e958 4197 .lname = "Scramble I/O buffers",
fd68418e 4198 .type = FIO_OPT_BOOL,
a609f12a 4199 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4200 .help = "Slightly scramble buffers on every IO submit",
4201 .def = "1",
e8b0e958 4202 .category = FIO_OPT_C_IO,
3ceb458f 4203 .group = FIO_OPT_G_IO_BUF,
fd68418e 4204 },
ce35b1ec
JA		 4205 {
4206 .name = "buffer_pattern",
4207 .lname = "Buffer pattern",
4208 .type = FIO_OPT_STR,
4209 .cb = str_buffer_pattern_cb,
a609f12a 4210 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4211 .help = "Fill pattern for IO buffers",
4212 .category = FIO_OPT_C_IO,
4213 .group = FIO_OPT_G_IO_BUF,
4214 },
9c42684e
JA		 4215 {
4216 .name = "buffer_compress_percentage",
e8b0e958 4217 .lname = "Buffer compression percentage",
9c42684e 4218 .type = FIO_OPT_INT,
bedc9dc2 4219 .cb = str_buffer_compress_cb,
a609f12a 4220 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4221 .maxval = 100,
e7f5de90 4222 .minval = 0,
9c42684e 4223 .help = "How compressible the buffer is (approximately)",
20eb06bd 4224 .interval = 5,
e8b0e958 4225 .category = FIO_OPT_C_IO,
3ceb458f 4226 .group = FIO_OPT_G_IO_BUF,
9c42684e 4227 },
f97a43a1
JA		 4228 {
4229 .name = "buffer_compress_chunk",
e8b0e958 4230 .lname = "Buffer compression chunk size",
f97a43a1 4231 .type = FIO_OPT_INT,
a609f12a 4232 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4233 .parent = "buffer_compress_percentage",
d71c154c 4234 .hide = 1,
f97a43a1 4235 .help = "Size of compressible region in buffer",
1de80624 4236 .def = "512",
20eb06bd 4237 .interval = 256,
e8b0e958 4238 .category = FIO_OPT_C_IO,
3ceb458f 4239 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4240 },
5c94b008
JA		 4241 {
4242 .name = "dedupe_percentage",
4243 .lname = "Dedupe percentage",
4244 .type = FIO_OPT_INT,
4245 .cb = str_dedupe_cb,
a609f12a 4246 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4247 .maxval = 100,
4248 .minval = 0,
4249 .help = "Percentage of buffers that are dedupable",
4250 .interval = 1,
4251 .category = FIO_OPT_C_IO,
4252 .group = FIO_OPT_G_IO_BUF,
4253 },
83349190
YH		 4254 {
4255 .name = "clat_percentiles",
e8b0e958 4256 .lname = "Completion latency percentiles",
83349190 4257 .type = FIO_OPT_BOOL,
a609f12a 4258 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4259 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4260 .def = "1",
b599759b
JA		 4261 .inverse = "lat_percentiles",
4262 .category = FIO_OPT_C_STAT,
4263 .group = FIO_OPT_G_INVALID,
4264 },
4265 {
4266 .name = "lat_percentiles",
4267 .lname = "IO latency percentiles",
4268 .type = FIO_OPT_BOOL,
4269 .off1 = offsetof(struct thread_options, lat_percentiles),
4270 .help = "Enable the reporting of IO latency percentiles",
4271 .def = "0",
4272 .inverse = "clat_percentiles",
e8b0e958
JA		 4273 .category = FIO_OPT_C_STAT,
4274 .group = FIO_OPT_G_INVALID,
83349190
YH		 4275 },
4276 {
4277 .name = "percentile_list",
66347cfa 4278 .lname = "Percentile list",
83349190 4279 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4280 .off1 = offsetof(struct thread_options, percentile_list),
4281 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4282 .help = "Specify a custom list of percentiles to report for "
4283 "completion latency and block errors",
fd112d34 4284 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4285 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4286 .minfp = 0.0,
4287 .maxfp = 100.0,
e8b0e958
JA		 4288 .category = FIO_OPT_C_STAT,
4289 .group = FIO_OPT_G_INVALID,
e883cb35
JF		 4290 },
4291 {
4292 .name = "significant_figures",
4293 .lname = "Significant figures",
4294 .type = FIO_OPT_INT,
4295 .off1 = offsetof(struct thread_options, sig_figs),
4296 .maxval = 10,
4297 .minval = 1,
4298 .help = "Significant figures for output-format set to normal",
4299 .def = "4",
4300 .interval = 1,
4301 .category = FIO_OPT_C_STAT,
4302 .group = FIO_OPT_G_INVALID,
83349190
YH		 4303 },
4304
0a839f30
JA		 4305#ifdef FIO_HAVE_DISK_UTIL
4306 {
4307 .name = "disk_util",
e8b0e958 4308 .lname = "Disk utilization",
0a839f30 4309 .type = FIO_OPT_BOOL,
a609f12a 4310 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4311 .help = "Log disk utilization statistics",
0a839f30 4312 .def = "1",
e8b0e958
JA		 4313 .category = FIO_OPT_C_STAT,
4314 .group = FIO_OPT_G_INVALID,
0a839f30 4315 },
a275c37a
JA		 4316#else
4317 {
4318 .name = "disk_util",
4319 .lname = "Disk utilization",
4320 .type = FIO_OPT_UNSUPPORTED,
4321 .help = "Your platform does not support disk utilization",
4322 },
0a839f30 4323#endif
993bf48b
JA		 4324 {
4325 .name = "gtod_reduce",
e8b0e958 4326 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4327 .type = FIO_OPT_BOOL,
4328 .help = "Greatly reduce number of gettimeofday() calls",
4329 .cb = str_gtod_reduce_cb,
4330 .def = "0",
a4ed77fe 4331 .hide_on_set = 1,
e8b0e958
JA		 4332 .category = FIO_OPT_C_STAT,
4333 .group = FIO_OPT_G_INVALID,
993bf48b 4334 },
02af0988
JA		 4335 {
4336 .name = "disable_lat",
e8b0e958 4337 .lname = "Disable all latency stats",
02af0988 4338 .type = FIO_OPT_BOOL,
a609f12a 4339 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4340 .help = "Disable latency numbers",
4341 .parent = "gtod_reduce",
d71c154c 4342 .hide = 1,
02af0988 4343 .def = "0",
e8b0e958
JA		 4344 .category = FIO_OPT_C_STAT,
4345 .group = FIO_OPT_G_INVALID,
02af0988 4346 },
9520ebb9
JA		 4347 {
4348 .name = "disable_clat",
e8b0e958 4349 .lname = "Disable completion latency stats",
9520ebb9 4350 .type = FIO_OPT_BOOL,
a609f12a 4351 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4352 .help = "Disable completion latency numbers",
993bf48b 4353 .parent = "gtod_reduce",
d71c154c 4354 .hide = 1,
9520ebb9 4355 .def = "0",
e8b0e958
JA		 4356 .category = FIO_OPT_C_STAT,
4357 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4358 },
4359 {
4360 .name = "disable_slat",
e8b0e958 4361 .lname = "Disable submission latency stats",
9520ebb9 4362 .type = FIO_OPT_BOOL,
a609f12a 4363 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4364 .help = "Disable submission latency numbers",
993bf48b 4365 .parent = "gtod_reduce",
d71c154c 4366 .hide = 1,
9520ebb9 4367 .def = "0",
e8b0e958
JA		 4368 .category = FIO_OPT_C_STAT,
4369 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4370 },
4371 {
4372 .name = "disable_bw_measurement",
afd2ceff 4373 .alias = "disable_bw",
e8b0e958 4374 .lname = "Disable bandwidth stats",
9520ebb9 4375 .type = FIO_OPT_BOOL,
a609f12a 4376 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4377 .help = "Disable bandwidth logging",
993bf48b 4378 .parent = "gtod_reduce",
d71c154c 4379 .hide = 1,
9520ebb9 4380 .def = "0",
e8b0e958
JA		 4381 .category = FIO_OPT_C_STAT,
4382 .group = FIO_OPT_G_INVALID,
9520ebb9 4383 },
be4ecfdf
JA		 4384 {
4385 .name = "gtod_cpu",
e8b0e958 4386 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4387 .type = FIO_OPT_INT,
a609f12a 4388 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4389 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4390 .verify = gtod_cpu_verify,
e8b0e958 4391 .category = FIO_OPT_C_GENERAL,
10860056 4392 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4393 },
771e58be
JA		 4394 {
4395 .name = "unified_rw_reporting",
cce2fdfe 4396 .lname = "Unified RW Reporting",
771e58be 4397 .type = FIO_OPT_BOOL,
a609f12a 4398 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4399 .help = "Unify reporting across data direction",
4400 .def = "0",
90b7a96d
JA		 4401 .category = FIO_OPT_C_GENERAL,
4402 .group = FIO_OPT_G_INVALID,
771e58be 4403 },
f2bba182
RR		 4404 {
4405 .name = "continue_on_error",
e8b0e958 4406 .lname = "Continue on error",
06842027 4407 .type = FIO_OPT_STR,
a609f12a 4408 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4409 .help = "Continue on non-fatal errors during IO",
06842027 4410 .def = "none",
e8b0e958 4411 .category = FIO_OPT_C_GENERAL,
bc3f552f 4412 .group = FIO_OPT_G_ERR,
06842027
SL		 4413 .posval = {
4414 { .ival = "none",
4415 .oval = ERROR_TYPE_NONE,
4416 .help = "Exit when an error is encountered",
4417 },
4418 { .ival = "read",
4419 .oval = ERROR_TYPE_READ,
4420 .help = "Continue on read errors only",
4421 },
4422 { .ival = "write",
4423 .oval = ERROR_TYPE_WRITE,
4424 .help = "Continue on write errors only",
4425 },
4426 { .ival = "io",
4427 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4428 .help = "Continue on any IO errors",
4429 },
4430 { .ival = "verify",
4431 .oval = ERROR_TYPE_VERIFY,
4432 .help = "Continue on verify errors only",
4433 },
4434 { .ival = "all",
4435 .oval = ERROR_TYPE_ANY,
4436 .help = "Continue on all io and verify errors",
4437 },
4438 { .ival = "0",
4439 .oval = ERROR_TYPE_NONE,
4440 .help = "Alias for 'none'",
4441 },
4442 { .ival = "1",
4443 .oval = ERROR_TYPE_ANY,
4444 .help = "Alias for 'all'",
4445 },
4446 },
f2bba182 4447 },
8b28bd41
DM		 4448 {
4449 .name = "ignore_error",
cce2fdfe 4450 .lname = "Ignore Error",
8b28bd41
DM		 4451 .type = FIO_OPT_STR,
4452 .cb = str_ignore_error_cb,
a609f12a 4453 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4454 .help = "Set a specific list of errors to ignore",
4455 .parent = "rw",
a94eb99a 4456 .category = FIO_OPT_C_GENERAL,
bc3f552f 4457 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4458 },
4459 {
4460 .name = "error_dump",
cce2fdfe 4461 .lname = "Error Dump",
8b28bd41 4462 .type = FIO_OPT_BOOL,
a609f12a 4463 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4464 .def = "0",
4465 .help = "Dump info on each error",
a94eb99a 4466 .category = FIO_OPT_C_GENERAL,
bc3f552f 4467 .group = FIO_OPT_G_ERR,
8b28bd41 4468 },
9ac8a797
JA		 4469 {
4470 .name = "profile",
e8b0e958 4471 .lname = "Profile",
79d16311 4472 .type = FIO_OPT_STR_STORE,
a609f12a 4473 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4474 .help = "Select a specific builtin performance test",
13fca827 4475 .category = FIO_OPT_C_PROFILE,
e8b0e958 4476 .group = FIO_OPT_G_INVALID,
9ac8a797 4477 },
a696fa2a
JA		 4478 {
4479 .name = "cgroup",
e8b0e958 4480 .lname = "Cgroup",
a696fa2a 4481 .type = FIO_OPT_STR_STORE,
a609f12a 4482 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4483 .help = "Add job to cgroup of this name",
e8b0e958 4484 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4485 .group = FIO_OPT_G_CGROUP,
4486 },
4487 {
4488 .name = "cgroup_nodelete",
4489 .lname = "Cgroup no-delete",
4490 .type = FIO_OPT_BOOL,
a609f12a 4491 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4492 .help = "Do not delete cgroups after job completion",
4493 .def = "0",
4494 .parent = "cgroup",
4495 .category = FIO_OPT_C_GENERAL,
4496 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4497 },
4498 {
4499 .name = "cgroup_weight",
e8b0e958 4500 .lname = "Cgroup weight",
a696fa2a 4501 .type = FIO_OPT_INT,
a609f12a 4502 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4503 .help = "Use given weight for cgroup",
4504 .minval = 100,
4505 .maxval = 1000,
a1f6afec 4506 .parent = "cgroup",
e8b0e958 4507 .category = FIO_OPT_C_GENERAL,
a1f6afec 4508 .group = FIO_OPT_G_CGROUP,
7de87099 4509 },
e0b0d892
JA		 4510 {
4511 .name = "uid",
e8b0e958 4512 .lname = "User ID",
e0b0d892 4513 .type = FIO_OPT_INT,
a609f12a 4514 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4515 .help = "Run job with this user ID",
e8b0e958 4516 .category = FIO_OPT_C_GENERAL,
10860056 4517 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4518 },
4519 {
4520 .name = "gid",
e8b0e958 4521 .lname = "Group ID",
e0b0d892 4522 .type = FIO_OPT_INT,
a609f12a 4523 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4524 .help = "Run job with this group ID",
e8b0e958 4525 .category = FIO_OPT_C_GENERAL,
10860056 4526 .group = FIO_OPT_G_CRED,
e0b0d892 4527 },
a1f6afec
JA		 4528 {
4529 .name = "kb_base",
4530 .lname = "KB Base",
4531 .type = FIO_OPT_INT,
a609f12a 4532 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4533 .prio = 1,
4534 .def = "1024",
ba9c7219
JA		 4535 .posval = {
4536 { .ival = "1024",
4537 .oval = 1024,
d694a6a7 4538 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4539 },
4540 { .ival = "1000",
4541 .oval = 1000,
d694a6a7 4542 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4543 },
4544 },
d694a6a7 4545 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4546 .category = FIO_OPT_C_GENERAL,
4547 .group = FIO_OPT_G_INVALID,
4548 },
cf3a0518
JA		 4549 {
4550 .name = "unit_base",
d694a6a7 4551 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4552 .type = FIO_OPT_INT,
a609f12a 4553 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4554 .prio = 1,
71a08258
JA		 4555 .posval = {
4556 { .ival = "0",
41a87019 4557 .oval = N2S_NONE,
71a08258
JA		 4558 .help = "Auto-detect",
4559 },
4560 { .ival = "8",
41a87019 4561 .oval = N2S_BYTEPERSEC,
71a08258
JA		 4562 .help = "Normal (byte based)",
4563 },
4564 { .ival = "1",
41a87019 4565 .oval = N2S_BITPERSEC,
71a08258
JA		 4566 .help = "Bit based",
4567 },
4568 },
cf3a0518
JA		 4569 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4570 .category = FIO_OPT_C_GENERAL,
4571 .group = FIO_OPT_G_INVALID,
4572 },
3ceb458f
JA		 4573 {
4574 .name = "hugepage-size",
4575 .lname = "Hugepage size",
4576 .type = FIO_OPT_INT,
a609f12a 4577 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4578 .help = "When using hugepages, specify size of each page",
4579 .def = __fio_stringify(FIO_HUGE_PAGE),
4580 .interval = 1024 * 1024,
4581 .category = FIO_OPT_C_GENERAL,
4582 .group = FIO_OPT_G_INVALID,
4583 },
9e684a49
DE		 4584 {
4585 .name = "flow_id",
e8b0e958 4586 .lname = "I/O flow ID",
9e684a49 4587 .type = FIO_OPT_INT,
a609f12a 4588 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4589 .help = "The flow index ID to use",
4590 .def = "0",
e8b0e958
JA		 4591 .category = FIO_OPT_C_IO,
4592 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4593 },
4594 {
4595 .name = "flow",
e8b0e958 4596 .lname = "I/O flow weight",
9e684a49 4597 .type = FIO_OPT_INT,
a609f12a 4598 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4599 .help = "Weight for flow control of this job",
4600 .parent = "flow_id",
d71c154c 4601 .hide = 1,
9e684a49 4602 .def = "0",
e8b0e958
JA		 4603 .category = FIO_OPT_C_IO,
4604 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4605 },
4606 {
4607 .name = "flow_watermark",
e8b0e958 4608 .lname = "I/O flow watermark",
9e684a49 4609 .type = FIO_OPT_INT,
a609f12a 4610 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4611 .help = "High watermark for flow control. This option"
4612 " should be set to the same value for all threads"
4613 " with non-zero flow.",
4614 .parent = "flow_id",
d71c154c 4615 .hide = 1,
9e684a49 4616 .def = "1024",
e8b0e958
JA		 4617 .category = FIO_OPT_C_IO,
4618 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4619 },
4620 {
4621 .name = "flow_sleep",
e8b0e958 4622 .lname = "I/O flow sleep",
9e684a49 4623 .type = FIO_OPT_INT,
a609f12a 4624 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4625 .help = "How many microseconds to sleep after being held"
4626 " back by the flow control mechanism",
4627 .parent = "flow_id",
d71c154c 4628 .hide = 1,
9e684a49 4629 .def = "0",
e8b0e958
JA		 4630 .category = FIO_OPT_C_IO,
4631 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4632 },
16e56d25
VF		 4633 {
4634 .name = "steadystate",
4635 .lname = "Steady state threshold",
4636 .alias = "ss",
4637 .type = FIO_OPT_STR,
2c5d94bc 4638 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4639 .cb = str_steadystate_cb,
4640 .help = "Define the criterion and limit to judge when a job has reached steady state",
4641 .def = "iops_slope:0.01%",
4642 .posval = {
4643 { .ival = "iops",
f0c50c66 4644 .oval = FIO_SS_IOPS,
16e56d25
VF		 4645 .help = "maximum mean deviation of IOPS measurements",
4646 },
4647 { .ival = "iops_slope",
f0c50c66 4648 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4649 .help = "slope calculated from IOPS measurements",
4650 },
4651 { .ival = "bw",
f0c50c66 4652 .oval = FIO_SS_BW,
16e56d25
VF		 4653 .help = "maximum mean deviation of bandwidth measurements",
4654 },
4655 {
4656 .ival = "bw_slope",
f0c50c66 4657 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4658 .help = "slope calculated from bandwidth measurements",
4659 },
4660 },
4661 .category = FIO_OPT_C_GENERAL,
4662 .group = FIO_OPT_G_RUNTIME,
4663 },
4664 {
4665 .name = "steadystate_duration",
4666 .lname = "Steady state duration",
4667 .alias = "ss_dur",
915ca980 4668 .parent = "steadystate",
16e56d25
VF		 4669 .type = FIO_OPT_STR_VAL_TIME,
4670 .off1 = offsetof(struct thread_options, ss_dur),
4671 .help = "Stop workload upon attaining steady state for specified duration",
4672 .def = "0",
4673 .is_seconds = 1,
4674 .is_time = 1,
4675 .category = FIO_OPT_C_GENERAL,
4676 .group = FIO_OPT_G_RUNTIME,
4677 },
4678 {
4679 .name = "steadystate_ramp_time",
4680 .lname = "Steady state ramp time",
4681 .alias = "ss_ramp",
915ca980 4682 .parent = "steadystate",
16e56d25
VF		 4683 .type = FIO_OPT_STR_VAL_TIME,
4684 .off1 = offsetof(struct thread_options, ss_ramp_time),
4685 .help = "Delay before initiation of data collection for steady state job termination testing",
4686 .def = "0",
4687 .is_seconds = 1,
4688 .is_time = 1,
4689 .category = FIO_OPT_C_GENERAL,
4690 .group = FIO_OPT_G_RUNTIME,
4691 },
214e1eca
JA		 4692 {
4693 .name = NULL,
4694 },
4695};
4696
17af15d4 4697static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4698 const char *name, int val)
9f81736c 4699{
17af15d4 4700 lopt->name = (char *) name;
de890a1e 4701 lopt->val = val;
9f81736c 4702 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4703 lopt->has_arg = optional_argument;
9f81736c
JA		 4704 else
4705 lopt->has_arg = required_argument;
4706}
4707
de890a1e
SL		 4708static void options_to_lopts(struct fio_option *opts,
4709 struct option *long_options,
4710 int i, int option_type)
214e1eca 4711{
de890a1e 4712 struct fio_option *o = &opts[0];
214e1eca 4713 while (o->name) {
de890a1e 4714 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4715 if (o->alias) {
4716 i++;
de890a1e 4717 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4718 }
214e1eca
JA		 4719
4720 i++;
4721 o++;
4722 assert(i < FIO_NR_OPTIONS);
4723 }
4724}
4725
de890a1e
SL		 4726void fio_options_set_ioengine_opts(struct option *long_options,
4727 struct thread_data *td)
4728{
4729 unsigned int i;
4730
4731 i = 0;
4732 while (long_options[i].name) {
4733 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4734 memset(&long_options[i], 0, sizeof(*long_options));
4735 break;
4736 }
4737 i++;
4738 }
4739
4740 /*
4741 * Just clear out the prior ioengine options.
4742 */
4743 if (!td || !td->eo)
4744 return;
4745
4746 options_to_lopts(td->io_ops->options, long_options, i,
4747 FIO_GETOPT_IOENGINE);
4748}
4749
4750void fio_options_dup_and_init(struct option *long_options)
4751{
4752 unsigned int i;
4753
9af4a244 4754 options_init(fio_options);
de890a1e
SL		 4755
4756 i = 0;
4757 while (long_options[i].name)
4758 i++;
4759
9af4a244 4760 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4761}
4762
74929ac2
JA		 4763struct fio_keyword {
4764 const char *word;
4765 const char *desc;
4766 char *replace;
4767};
4768
4769static struct fio_keyword fio_keywords[] = {
4770 {
4771 .word = "$pagesize",
4772 .desc = "Page size in the system",
4773 },
4774 {
4775 .word = "$mb_memory",
4776 .desc = "Megabytes of memory online",
4777 },
4778 {
4779 .word = "$ncpus",
4780 .desc = "Number of CPUs online in the system",
4781 },
4782 {
4783 .word = NULL,
4784 },
4785};
4786
af1dc266
JA		 4787void fio_keywords_exit(void)
4788{
4789 struct fio_keyword *kw;
4790
4791 kw = &fio_keywords[0];
4792 while (kw->word) {
4793 free(kw->replace);
4794 kw->replace = NULL;
4795 kw++;
4796 }
4797}
4798
74929ac2
JA		 4799void fio_keywords_init(void)
4800{
3b2e1464 4801 unsigned long long mb_memory;
74929ac2
JA		 4802 char buf[128];
4803 long l;
4804
a4cfc477 4805 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4806 fio_keywords[0].replace = strdup(buf);
4807
8eb016d3 4808 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4809 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4810 fio_keywords[1].replace = strdup(buf);
4811
c00a2289 4812 l = cpus_online();
74929ac2
JA		 4813 sprintf(buf, "%lu", l);
4814 fio_keywords[2].replace = strdup(buf);
4815}
4816
892a6ffc
JA		 4817#define BC_APP "bc"
4818
4819static char *bc_calc(char *str)
4820{
d0c814ec 4821 char buf[128], *tmp;
892a6ffc
JA		 4822 FILE *f;
4823 int ret;
4824
4825 /*
4826 * No math, just return string
4827 */
d0c814ec
SL		 4828 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4829 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4830 return str;
4831
4832 /*
4833 * Split option from value, we only need to calculate the value
4834 */
4835 tmp = strchr(str, '=');
4836 if (!tmp)
4837 return str;
4838
4839 tmp++;
892a6ffc 4840
d0c814ec
SL		 4841 /*
4842 * Prevent buffer overflows; such a case isn't reasonable anyway
4843 */
4844 if (strlen(str) >= 128 || strlen(tmp) > 100)
4845 return str;
892a6ffc
JA		 4846
4847 sprintf(buf, "which %s > /dev/null", BC_APP);
4848 if (system(buf)) {
4849 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4850 return NULL;
4851 }
4852
d0c814ec 4853 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4854 f = popen(buf, "r");
3c3ed070 4855 if (!f)
892a6ffc 4856 return NULL;
892a6ffc 4857
d0c814ec 4858 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4859 if (ret <= 0) {
4860 pclose(f);
892a6ffc 4861 return NULL;
1d824f37 4862 }
892a6ffc 4863
892a6ffc 4864 pclose(f);
d0c814ec
SL		 4865 buf[(tmp - str) + ret - 1] = '\0';
4866 memcpy(buf, str, tmp - str);
892a6ffc 4867 free(str);
d0c814ec
SL		 4868 return strdup(buf);
4869}
4870
4871/*
4872 * Return a copy of the input string with substrings of the form ${VARNAME}
4873 * substituted with the value of the environment variable VARNAME. The
4874 * substitution always occurs, even if VARNAME is empty or the corresponding
4875 * environment variable undefined.
4876 */
b4f5e72f 4877char *fio_option_dup_subs(const char *opt)
d0c814ec
SL		 4878{
4879 char out[OPT_LEN_MAX+1];
4880 char in[OPT_LEN_MAX+1];
4881 char *outptr = out;
4882 char *inptr = in;
4883 char *ch1, *ch2, *env;
4884 ssize_t nchr = OPT_LEN_MAX;
4885 size_t envlen;
4886
4887 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4888 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4889 return NULL;
4890 }
4891
4892 in[OPT_LEN_MAX] = '\0';
4893 strncpy(in, opt, OPT_LEN_MAX);
4894
4895 while (*inptr && nchr > 0) {
4896 if (inptr[0] == '$' && inptr[1] == '{') {
4897 ch2 = strchr(inptr, '}');
4898 if (ch2 && inptr+1 < ch2) {
4899 ch1 = inptr+2;
4900 inptr = ch2+1;
4901 *ch2 = '\0';
4902
4903 env = getenv(ch1);
4904 if (env) {
4905 envlen = strlen(env);
4906 if (envlen <= nchr) {
4907 memcpy(outptr, env, envlen);
4908 outptr += envlen;
4909 nchr -= envlen;
4910 }
4911 }
4912
4913 continue;
4914 }
4915 }
4916
4917 *outptr++ = *inptr++;
4918 --nchr;
4919 }
4920
4921 *outptr = '\0';
4922 return strdup(out);
892a6ffc
JA		 4923}
4924
74929ac2
JA		 4925/*
4926 * Look for reserved variable names and replace them with real values
4927 */
4928static char *fio_keyword_replace(char *opt)
4929{
4930 char *s;
4931 int i;
d0c814ec 4932 int docalc = 0;
74929ac2
JA		 4933
4934 for (i = 0; fio_keywords[i].word != NULL; i++) {
4935 struct fio_keyword *kw = &fio_keywords[i];
4936
4937 while ((s = strstr(opt, kw->word)) != NULL) {
4938 char *new = malloc(strlen(opt) + 1);
4939 char *o_org = opt;
4940 int olen = s - opt;
4941 int len;
4942
4943 /*
4944 * Copy part of the string before the keyword and
4945 * sprintf() the replacement after it.
4946 */
4947 memcpy(new, opt, olen);
4948 len = sprintf(new + olen, "%s", kw->replace);
4949
4950 /*
4951 * If there's more in the original string, copy that
4952 * in too
4953 */
4954 opt += strlen(kw->word) + olen;
4955 if (strlen(opt))
4956 memcpy(new + olen + len, opt, opt - o_org - 1);
4957
4958 /*
4959 * replace opt and free the old opt
4960 */
4961 opt = new;
d0c814ec 4962 free(o_org);
7a958bd5 4963
d0c814ec 4964 docalc = 1;
74929ac2
JA		 4965 }
4966 }
4967
d0c814ec
SL		 4968 /*
4969 * Check for potential math and invoke bc, if possible
4970 */
4971 if (docalc)
4972 opt = bc_calc(opt);
4973
7a958bd5 4974 return opt;
74929ac2
JA		 4975}
4976
d0c814ec
SL		 4977static char **dup_and_sub_options(char **opts, int num_opts)
4978{
4979 int i;
4980 char **opts_copy = malloc(num_opts * sizeof(*opts));
4981 for (i = 0; i < num_opts; i++) {
b4f5e72f 4982 opts_copy[i] = fio_option_dup_subs(opts[i]);
d0c814ec
SL		 4983 if (!opts_copy[i])
4984 continue;
4985 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4986 }
4987 return opts_copy;
4988}
4989
e15b023b 4990static void show_closest_option(const char *opt)
a2d027b9
JA		 4991{
4992 int best_option, best_distance;
4993 int i, distance;
e15b023b
JA		 4994 char *name;
4995
4996 if (!strlen(opt))
4997 return;
4998
4999 name = strdup(opt);
5000 i = 0;
5001 while (name[i] != '\0' && name[i] != '=')
5002 i++;
5003 name[i] = '\0';
a2d027b9
JA		 5004
5005 best_option = -1;
5006 best_distance = INT_MAX;
5007 i = 0;
5008 while (fio_options[i].name) {
5009 distance = string_distance(name, fio_options[i].name);
5010 if (distance < best_distance) {
5011 best_distance = distance;
5012 best_option = i;
5013 }
5014 i++;
5015 }
5016
75e6bcba
JA		 5017 if (best_option != -1 && string_distance_ok(name, best_distance) &&
5018 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 5019 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 5020
5021 free(name);
a2d027b9
JA		 5022}
5023
c2292325 5024int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 5025{
de890a1e 5026 int i, ret, unknown;
d0c814ec 5027 char **opts_copy;
3b8b7135 5028
9af4a244 5029 sort_options(opts, fio_options, num_opts);
d0c814ec 5030 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 5031
de890a1e 5032 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
9109883a 5033 const struct fio_option *o;
9af4a244 5034 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 5035 &o, &td->o, &td->opt_list);
d0c814ec 5036
a8523a6a
JA		 5037 if (!newret && o)
5038 fio_option_mark_set(&td->o, o);
5039
de890a1e
SL		 5040 if (opts_copy[i]) {
5041 if (newret && !o) {
5042 unknown++;
5043 continue;
5044 }
d0c814ec 5045 free(opts_copy[i]);
de890a1e
SL		 5046 opts_copy[i] = NULL;
5047 }
5048
5049 ret |= newret;
5050 }
5051
5052 if (unknown) {
5053 ret |= ioengine_load(td);
5054 if (td->eo) {
5055 sort_options(opts_copy, td->io_ops->options, num_opts);
5056 opts = opts_copy;
5057 }
5058 for (i = 0; i < num_opts; i++) {
9109883a 5059 const struct fio_option *o = NULL;
de890a1e 5060 int newret = 1;
a2d027b9 5061
de890a1e
SL		 5062 if (!opts_copy[i])
5063 continue;
5064
5065 if (td->eo)
5066 newret = parse_option(opts_copy[i], opts[i],
5067 td->io_ops->options, &o,
66e19a38 5068 td->eo, &td->opt_list);
de890a1e
SL		 5069
5070 ret |= newret;
a2d027b9 5071 if (!o) {
de890a1e 5072 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 5073 show_closest_option(opts[i]);
5074 }
de890a1e
SL		 5075 free(opts_copy[i]);
5076 opts_copy[i] = NULL;
5077 }
74929ac2 5078 }
3b8b7135 5079
d0c814ec 5080 free(opts_copy);
3b8b7135 5081 return ret;
214e1eca
JA		 5082}
5083
5084int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
5085{
a8523a6a
JA		 5086 int ret;
5087
a609f12a 5088 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a 5089 if (!ret) {
9109883a 5090 const struct fio_option *o;
a8523a6a 5091
9109883a 5092 o = find_option_c(fio_options, opt);
a8523a6a
JA		 5093 if (o)
5094 fio_option_mark_set(&td->o, o);
5095 }
5096
5097 return ret;
214e1eca
JA		 5098}
5099
de890a1e
SL		 5100int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
5101 char *val)
5102{
d8b4f395
JA		 5103 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
5104 &td->opt_list);
de890a1e
SL		 5105}
5106
214e1eca
JA		 5107void fio_fill_default_options(struct thread_data *td)
5108{
cb1402d6 5109 td->o.magic = OPT_MAGIC;
a609f12a 5110 fill_default_options(&td->o, fio_options);
214e1eca
JA		 5111}
5112
5113int fio_show_option_help(const char *opt)
5114{
9af4a244 5115 return show_cmd_help(fio_options, opt);
214e1eca 5116}
d23bb327 5117
de890a1e
SL		 5118/*
5119 * dupe FIO_OPT_STR_STORE options
5120 */
5121void fio_options_mem_dupe(struct thread_data *td)
5122{
53b5693d 5123 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 5124
5125 if (td->eo && td->io_ops) {
de890a1e 5126 void *oldeo = td->eo;
1647f592 5127
de890a1e
SL		 5128 td->eo = malloc(td->io_ops->option_struct_size);
5129 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 5130 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 5131 }
5132}
5133
d6978a32
JA		 5134unsigned int fio_get_kb_base(void *data)
5135{
a609f12a
JA		 5136 struct thread_data *td = cb_data_to_td(data);
5137 struct thread_options *o = &td->o;
d6978a32
JA		 5138 unsigned int kb_base = 0;
5139
cb1402d6
JA		 5140 /*
5141 * This is a hack... For private options, *data is not holding
5142 * a pointer to the thread_options, but to private data. This means
5143 * we can't safely dereference it, but magic is first so mem wise
5144 * it is valid. But this also means that if the job first sets
5145 * kb_base and expects that to be honored by private options,
5146 * it will be disappointed. We will return the global default
5147 * for this.
5148 */
5149 if (o && o->magic == OPT_MAGIC)
83ea422a 5150 kb_base = o->kb_base;
d6978a32
JA		 5151 if (!kb_base)
5152 kb_base = 1024;
5153
5154 return kb_base;
5155}
9f988e2e 5156
9109883a 5157int add_option(const struct fio_option *o)
9f988e2e 5158{
07b3232d
JA		 5159 struct fio_option *__o;
5160 int opt_index = 0;
5161
9af4a244 5162 __o = fio_options;
07b3232d
JA		 5163 while (__o->name) {
5164 opt_index++;
5165 __o++;
5166 }
5167
7b504edd
JA		 5168 if (opt_index + 1 == FIO_MAX_OPTS) {
5169 log_err("fio: FIO_MAX_OPTS is too small\n");
5170 return 1;
5171 }
5172
9af4a244 5173 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 5174 fio_options[opt_index + 1].name = NULL;
07b3232d 5175 return 0;
9f988e2e 5176}
e2de69da 5177
07b3232d 5178void invalidate_profile_options(const char *prof_name)
e2de69da 5179{
07b3232d 5180 struct fio_option *o;
e2de69da 5181
9af4a244 5182 o = fio_options;
07b3232d
JA		 5183 while (o->name) {
5184 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5185 o->type = FIO_OPT_INVALID;
5186 o->prof_name = NULL;
5187 }
5188 o++;
e2de69da
JA		 5189 }
5190}
f5b6bb85
JA		 5191
5192void add_opt_posval(const char *optname, const char *ival, const char *help)
5193{
5194 struct fio_option *o;
5195 unsigned int i;
5196
9af4a244 5197 o = find_option(fio_options, optname);
f5b6bb85
JA		 5198 if (!o)
5199 return;
5200
5201 for (i = 0; i < PARSE_MAX_VP; i++) {
5202 if (o->posval[i].ival)
5203 continue;
5204
5205 o->posval[i].ival = ival;
5206 o->posval[i].help = help;
5207 break;
5208 }
5209}
5210
5211void del_opt_posval(const char *optname, const char *ival)
5212{
5213 struct fio_option *o;
5214 unsigned int i;
5215
9af4a244 5216 o = find_option(fio_options, optname);
f5b6bb85
JA		 5217 if (!o)
5218 return;
5219
5220 for (i = 0; i < PARSE_MAX_VP; i++) {
5221 if (!o->posval[i].ival)
5222 continue;
5223 if (strcmp(o->posval[i].ival, ival))
5224 continue;
5225
5226 o->posval[i].ival = NULL;
5227 o->posval[i].help = NULL;
5228 }
5229}
7e356b2d
JA		 5230
5231void fio_options_free(struct thread_data *td)
5232{
ca6336a8 5233 options_free(fio_options, &td->o);
de890a1e
SL		 5234 if (td->eo && td->io_ops && td->io_ops->options) {
5235 options_free(td->io_ops->options, td->eo);
5236 free(td->eo);
5237 td->eo = NULL;
5238 }
7e356b2d 5239}
c504ee55
JA		 5240
5241struct fio_option *fio_option_find(const char *name)
5242{
5243 return find_option(fio_options, name);
5244}
5245
517c9c72 5246static struct fio_option *find_next_opt(struct fio_option *from,
f0e7f45a 5247 unsigned int off1)
a8523a6a 5248{
f0e7f45a 5249 struct fio_option *opt;
a8523a6a 5250
f0e7f45a
JA		 5251 if (!from)
5252 from = &fio_options[0];
5253 else
5254 from++;
5255
5256 opt = NULL;
5257 do {
5258 if (off1 == from->off1) {
5259 opt = from;
a8523a6a
JA		 5260 break;
5261 }
f0e7f45a
JA		 5262 from++;
5263 } while (from->name);
a8523a6a 5264
f0e7f45a
JA		 5265 return opt;
5266}
5267
5268static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5269{
5270 unsigned int opt_off, index, offset;
a8523a6a
JA		 5271
5272 opt_off = opt - &fio_options[0];
5273 index = opt_off / (8 * sizeof(uint64_t));
5274 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5275 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5276}
5277
72f39748 5278bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5279{
5280 struct fio_option *opt, *next;
5281
5282 next = NULL;
517c9c72 5283 while ((opt = find_next_opt(next, off1)) != NULL) {
f0e7f45a 5284 if (opt_is_set(o, opt))
72f39748 5285 return true;
f0e7f45a
JA		 5286
5287 next = opt;
5288 }
5289
72f39748 5290 return false;
f0e7f45a
JA		 5291}
5292
9109883a 5293void fio_option_mark_set(struct thread_options *o, const struct fio_option *opt)
a8523a6a
JA		 5294{
5295 unsigned int opt_off, index, offset;
5296
5297 opt_off = opt - &fio_options[0];
5298 index = opt_off / (8 * sizeof(uint64_t));
5299 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5300 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5301}
fio - Flexible IO Tester