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blktrace: add support to interleave blktrace files
[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 },
214e1eca
JA		 3210 {
3211 .name = "exec_prerun",
e8b0e958 3212 .lname = "Pre-execute runnable",
214e1eca 3213 .type = FIO_OPT_STR_STORE,
a609f12a 3214 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3215 .help = "Execute this file prior to running job",
e8b0e958
JA		 3216 .category = FIO_OPT_C_GENERAL,
3217 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3218 },
3219 {
3220 .name = "exec_postrun",
e8b0e958 3221 .lname = "Post-execute runnable",
214e1eca 3222 .type = FIO_OPT_STR_STORE,
a609f12a 3223 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3224 .help = "Execute this file after running job",
e8b0e958
JA		 3225 .category = FIO_OPT_C_GENERAL,
3226 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3227 },
3228#ifdef FIO_HAVE_IOSCHED_SWITCH
3229 {
3230 .name = "ioscheduler",
e8b0e958 3231 .lname = "I/O scheduler",
214e1eca 3232 .type = FIO_OPT_STR_STORE,
a609f12a 3233 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3234 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3235 .category = FIO_OPT_C_FILE,
3236 .group = FIO_OPT_G_INVALID,
214e1eca 3237 },
a275c37a
JA		 3238#else
3239 {
3240 .name = "ioscheduler",
3241 .lname = "I/O scheduler",
3242 .type = FIO_OPT_UNSUPPORTED,
3243 .help = "Your platform does not support IO scheduler switching",
3244 },
214e1eca 3245#endif
7b865a2f
BVA		 3246 {
3247 .name = "zonemode",
3248 .lname = "Zone mode",
3249 .help = "Mode for the zonesize, zonerange and zoneskip parameters",
3250 .type = FIO_OPT_STR,
3251 .off1 = offsetof(struct thread_options, zone_mode),
3252 .def = "none",
3253 .category = FIO_OPT_C_IO,
3254 .group = FIO_OPT_G_ZONE,
3255 .posval = {
3256 { .ival = "none",
3257 .oval = ZONE_MODE_NONE,
3258 .help = "no zoning",
3259 },
3260 { .ival = "strided",
3261 .oval = ZONE_MODE_STRIDED,
3262 .help = "strided mode - random I/O is restricted to a single zone",
3263 },
3264 { .ival = "zbd",
3265 .oval = ZONE_MODE_ZBD,
3266 .help = "zoned block device mode - random I/O selects one of multiple zones randomly",
3267 },
3268 },
3269 },
214e1eca
JA		 3270 {
3271 .name = "zonesize",
e8b0e958 3272 .lname = "Zone size",
214e1eca 3273 .type = FIO_OPT_STR_VAL,
a609f12a 3274 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3275 .help = "Amount of data to read per zone",
3276 .def = "0",
20eb06bd 3277 .interval = 1024 * 1024,
e8b0e958
JA		 3278 .category = FIO_OPT_C_IO,
3279 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3280 },
3281 {
3282 .name = "zonerange",
e8b0e958 3283 .lname = "Zone range",
ed335855 3284 .type = FIO_OPT_STR_VAL,
a609f12a 3285 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3286 .help = "Give size of an IO zone",
3287 .def = "0",
20eb06bd 3288 .interval = 1024 * 1024,
e8b0e958
JA		 3289 .category = FIO_OPT_C_IO,
3290 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3291 },
3292 {
3293 .name = "zoneskip",
e8b0e958 3294 .lname = "Zone skip",
214e1eca 3295 .type = FIO_OPT_STR_VAL,
a609f12a 3296 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3297 .help = "Space between IO zones",
3298 .def = "0",
20eb06bd 3299 .interval = 1024 * 1024,
e8b0e958
JA		 3300 .category = FIO_OPT_C_IO,
3301 .group = FIO_OPT_G_ZONE,
214e1eca 3302 },
bfbdd35b
BVA		 3303 {
3304 .name = "read_beyond_wp",
3305 .lname = "Allow reads beyond the zone write pointer",
3306 .type = FIO_OPT_BOOL,
3307 .off1 = offsetof(struct thread_options, read_beyond_wp),
3308 .help = "Allow reads beyond the zone write pointer",
3309 .def = "0",
3310 .category = FIO_OPT_C_IO,
3311 .group = FIO_OPT_G_INVALID,
3312 },
59b07544
BVA		 3313 {
3314 .name = "max_open_zones",
3315 .lname = "Maximum number of open zones",
3316 .type = FIO_OPT_INT,
3317 .off1 = offsetof(struct thread_options, max_open_zones),
3318 .maxval = FIO_MAX_OPEN_ZBD_ZONES,
3319 .help = "Limit random writes to SMR drives to the specified"
3320 " number of sequential zones",
3321 .def = "0",
3322 .category = FIO_OPT_C_IO,
3323 .group = FIO_OPT_G_INVALID,
3324 },
a7c2b6fc
BVA		 3325 {
3326 .name = "zone_reset_threshold",
3327 .lname = "Zone reset threshold",
3328 .help = "Zoned block device reset threshold",
3329 .type = FIO_OPT_FLOAT_LIST,
3330 .maxlen = 1,
3331 .off1 = offsetof(struct thread_options, zrt),
3332 .minfp = 0,
3333 .maxfp = 1,
3334 .category = FIO_OPT_C_IO,
3335 .group = FIO_OPT_G_ZONE,
3336 },
3337 {
3338 .name = "zone_reset_frequency",
3339 .lname = "Zone reset frequency",
3340 .help = "Zoned block device zone reset frequency in HZ",
3341 .type = FIO_OPT_FLOAT_LIST,
3342 .maxlen = 1,
3343 .off1 = offsetof(struct thread_options, zrf),
3344 .minfp = 0,
3345 .maxfp = 1,
3346 .category = FIO_OPT_C_IO,
3347 .group = FIO_OPT_G_ZONE,
3348 },
214e1eca
JA		 3349 {
3350 .name = "lockmem",
e8b0e958 3351 .lname = "Lock memory",
214e1eca 3352 .type = FIO_OPT_STR_VAL,
a609f12a 3353 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3354 .help = "Lock down this amount of memory (per worker)",
214e1eca 3355 .def = "0",
20eb06bd 3356 .interval = 1024 * 1024,
e8b0e958
JA		 3357 .category = FIO_OPT_C_GENERAL,
3358 .group = FIO_OPT_G_INVALID,
214e1eca 3359 },
214e1eca
JA		 3360 {
3361 .name = "rwmixread",
e8b0e958 3362 .lname = "Read/write mix read",
214e1eca 3363 .type = FIO_OPT_INT,
cb499fc4 3364 .cb = str_rwmix_read_cb,
a609f12a 3365 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3366 .maxval = 100,
3367 .help = "Percentage of mixed workload that is reads",
3368 .def = "50",
20eb06bd 3369 .interval = 5,
90265353 3370 .inverse = "rwmixwrite",
e8b0e958
JA		 3371 .category = FIO_OPT_C_IO,
3372 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3373 },
3374 {
3375 .name = "rwmixwrite",
e8b0e958 3376 .lname = "Read/write mix write",
214e1eca 3377 .type = FIO_OPT_INT,
cb499fc4 3378 .cb = str_rwmix_write_cb,
a609f12a 3379 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3380 .maxval = 100,
3381 .help = "Percentage of mixed workload that is writes",
3382 .def = "50",
20eb06bd 3383 .interval = 5,
90265353 3384 .inverse = "rwmixread",
e8b0e958
JA		 3385 .category = FIO_OPT_C_IO,
3386 .group = FIO_OPT_G_RWMIX,
214e1eca 3387 },
afdf9352
JA		 3388 {
3389 .name = "rwmixcycle",
e8b0e958 3390 .lname = "Read/write mix cycle",
15ca150e 3391 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3392 .category = FIO_OPT_C_IO,
3393 .group = FIO_OPT_G_RWMIX,
afdf9352 3394 },
214e1eca
JA		 3395 {
3396 .name = "nice",
e8b0e958 3397 .lname = "Nice",
214e1eca 3398 .type = FIO_OPT_INT,
a609f12a 3399 .off1 = offsetof(struct thread_options, nice),
214e1eca 3400 .help = "Set job CPU nice value",
11fd6aa8
RC		 3401 .minval = -20,
3402 .maxval = 19,
214e1eca 3403 .def = "0",
20eb06bd 3404 .interval = 1,
e8b0e958 3405 .category = FIO_OPT_C_GENERAL,
10860056 3406 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3407 },
3408#ifdef FIO_HAVE_IOPRIO
3409 {
3410 .name = "prio",
e8b0e958 3411 .lname = "I/O nice priority",
214e1eca 3412 .type = FIO_OPT_INT,
a609f12a 3413 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3414 .help = "Set job IO priority value",
1767bd34
TK		 3415 .minval = IOPRIO_MIN_PRIO,
3416 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3417 .interval = 1,
e8b0e958 3418 .category = FIO_OPT_C_GENERAL,
10860056 3419 .group = FIO_OPT_G_CRED,
214e1eca 3420 },
32ef447a
TK		 3421#else
3422 {
3423 .name = "prio",
3424 .lname = "I/O nice priority",
3425 .type = FIO_OPT_UNSUPPORTED,
3426 .help = "Your platform does not support IO priorities",
3427 },
3428#endif
3429#ifdef FIO_HAVE_IOPRIO_CLASS
3430#ifndef FIO_HAVE_IOPRIO
3431#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3432#endif
214e1eca
JA		 3433 {
3434 .name = "prioclass",
e8b0e958 3435 .lname = "I/O nice priority class",
214e1eca 3436 .type = FIO_OPT_INT,
a609f12a 3437 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3438 .help = "Set job IO priority class",
1767bd34
TK		 3439 .minval = IOPRIO_MIN_PRIO_CLASS,
3440 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3441 .interval = 1,
e8b0e958 3442 .category = FIO_OPT_C_GENERAL,
10860056 3443 .group = FIO_OPT_G_CRED,
214e1eca 3444 },
a275c37a 3445#else
a275c37a
JA		 3446 {
3447 .name = "prioclass",
3448 .lname = "I/O nice priority class",
3449 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3450 .help = "Your platform does not support IO priority classes",
a275c37a 3451 },
214e1eca
JA		 3452#endif
3453 {
3454 .name = "thinktime",
e8b0e958 3455 .lname = "Thinktime",
214e1eca 3456 .type = FIO_OPT_INT,
a609f12a 3457 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3458 .help = "Idle time between IO buffers (usec)",
3459 .def = "0",
88038bc7 3460 .is_time = 1,
e8b0e958 3461 .category = FIO_OPT_C_IO,
3ceb458f 3462 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3463 },
3464 {
3465 .name = "thinktime_spin",
e8b0e958 3466 .lname = "Thinktime spin",
214e1eca 3467 .type = FIO_OPT_INT,
a609f12a 3468 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3469 .help = "Start think time by spinning this amount (usec)",
3470 .def = "0",
88038bc7 3471 .is_time = 1,
afdf9352 3472 .parent = "thinktime",
d71c154c 3473 .hide = 1,
e8b0e958 3474 .category = FIO_OPT_C_IO,
3ceb458f 3475 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3476 },
3477 {
3478 .name = "thinktime_blocks",
e8b0e958 3479 .lname = "Thinktime blocks",
214e1eca 3480 .type = FIO_OPT_INT,
a609f12a 3481 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3482 .help = "IO buffer period between 'thinktime'",
3483 .def = "1",
afdf9352 3484 .parent = "thinktime",
d71c154c 3485 .hide = 1,
e8b0e958 3486 .category = FIO_OPT_C_IO,
3ceb458f 3487 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3488 },
3489 {
3490 .name = "rate",
e8b0e958 3491 .lname = "I/O rate",
e01b22b8 3492 .type = FIO_OPT_INT,
a609f12a
JA		 3493 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3494 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3495 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3496 .help = "Set bandwidth rate",
e8b0e958
JA		 3497 .category = FIO_OPT_C_IO,
3498 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3499 },
3500 {
6d428bcd
JA		 3501 .name = "rate_min",
3502 .alias = "ratemin",
e8b0e958 3503 .lname = "I/O min rate",
e01b22b8 3504 .type = FIO_OPT_INT,
a609f12a
JA		 3505 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3506 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3507 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3508 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3509 .parent = "rate",
d71c154c 3510 .hide = 1,
e8b0e958
JA		 3511 .category = FIO_OPT_C_IO,
3512 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3513 },
3514 {
3515 .name = "rate_iops",
e8b0e958 3516 .lname = "I/O rate IOPS",
e01b22b8 3517 .type = FIO_OPT_INT,
a609f12a
JA		 3518 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3519 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3520 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3521 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3522 .hide = 1,
e8b0e958
JA		 3523 .category = FIO_OPT_C_IO,
3524 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3525 },
3526 {
3527 .name = "rate_iops_min",
e8b0e958 3528 .lname = "I/O min rate IOPS",
e01b22b8 3529 .type = FIO_OPT_INT,
a609f12a
JA		 3530 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3531 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3532 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3533 .help = "Job must meet this rate or it will be shut down",
afdf9352 3534 .parent = "rate_iops",
d71c154c 3535 .hide = 1,
e8b0e958
JA		 3536 .category = FIO_OPT_C_IO,
3537 .group = FIO_OPT_G_RATE,
214e1eca 3538 },
ff6bb260 3539 {
6de65959
JA		 3540 .name = "rate_process",
3541 .lname = "Rate Process",
3542 .type = FIO_OPT_STR,
a609f12a 3543 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3544 .help = "What process controls how rated IO is managed",
3545 .def = "linear",
ff6bb260
SL		 3546 .category = FIO_OPT_C_IO,
3547 .group = FIO_OPT_G_RATE,
6de65959
JA		 3548 .posval = {
3549 { .ival = "linear",
3550 .oval = RATE_PROCESS_LINEAR,
3551 .help = "Linear rate of IO",
3552 },
3553 {
3554 .ival = "poisson",
3555 .oval = RATE_PROCESS_POISSON,
3556 .help = "Rate follows Poisson process",
3557 },
3558 },
3559 .parent = "rate",
ff6bb260 3560 },
214e1eca 3561 {
6d428bcd
JA		 3562 .name = "rate_cycle",
3563 .alias = "ratecycle",
e8b0e958 3564 .lname = "I/O rate cycle",
214e1eca 3565 .type = FIO_OPT_INT,
a609f12a 3566 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3567 .help = "Window average for rate limits (msec)",
3568 .def = "1000",
afdf9352 3569 .parent = "rate",
d71c154c 3570 .hide = 1,
e8b0e958
JA		 3571 .category = FIO_OPT_C_IO,
3572 .group = FIO_OPT_G_RATE,
214e1eca 3573 },
1a9bf814
JA		 3574 {
3575 .name = "rate_ignore_thinktime",
3576 .lname = "Rate ignore thinktime",
3577 .type = FIO_OPT_BOOL,
3578 .off1 = offsetof(struct thread_options, rate_ign_think),
3579 .help = "Rated IO ignores thinktime settings",
3580 .parent = "rate",
3581 .category = FIO_OPT_C_IO,
3582 .group = FIO_OPT_G_RATE,
3583 },
15501535
JA		 3584 {
3585 .name = "max_latency",
dd97d866 3586 .lname = "Max Latency (usec)",
6c3fb04c 3587 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3588 .off1 = offsetof(struct thread_options, max_latency),
15501535 3589 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3590 .is_time = 1,
1e5324e7 3591 .category = FIO_OPT_C_IO,
3e260a46
JA		 3592 .group = FIO_OPT_G_LATPROF,
3593 },
3594 {
3595 .name = "latency_target",
3596 .lname = "Latency Target (usec)",
3597 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3598 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3599 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3600 .is_time = 1,
3e260a46
JA		 3601 .category = FIO_OPT_C_IO,
3602 .group = FIO_OPT_G_LATPROF,
3603 },
3604 {
3605 .name = "latency_window",
3606 .lname = "Latency Window (usec)",
3607 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3608 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3609 .help = "Time to sustain latency_target",
88038bc7 3610 .is_time = 1,
3e260a46
JA		 3611 .category = FIO_OPT_C_IO,
3612 .group = FIO_OPT_G_LATPROF,
3613 },
3614 {
3615 .name = "latency_percentile",
3616 .lname = "Latency Percentile",
3617 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3618 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3619 .help = "Percentile of IOs must be below latency_target",
3620 .def = "100",
3621 .maxlen = 1,
3622 .minfp = 0.0,
3623 .maxfp = 100.0,
3624 .category = FIO_OPT_C_IO,
3625 .group = FIO_OPT_G_LATPROF,
15501535 3626 },
214e1eca
JA		 3627 {
3628 .name = "invalidate",
e8b0e958 3629 .lname = "Cache invalidate",
214e1eca 3630 .type = FIO_OPT_BOOL,
a609f12a 3631 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3632 .help = "Invalidate buffer/page cache prior to running job",
3633 .def = "1",
e8b0e958 3634 .category = FIO_OPT_C_IO,
3ceb458f 3635 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3636 },
3637 {
3638 .name = "sync",
e8b0e958 3639 .lname = "Synchronous I/O",
214e1eca 3640 .type = FIO_OPT_BOOL,
a609f12a 3641 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3642 .help = "Use O_SYNC for buffered writes",
3643 .def = "0",
67a1000f 3644 .parent = "buffered",
d71c154c 3645 .hide = 1,
e8b0e958 3646 .category = FIO_OPT_C_IO,
3ceb458f 3647 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3648 },
ae8e559e
JA		 3649#ifdef FIO_HAVE_WRITE_HINT
3650 {
3651 .name = "write_hint",
3652 .lname = "Write hint",
3653 .type = FIO_OPT_STR,
3654 .off1 = offsetof(struct thread_options, write_hint),
3655 .help = "Set expected write life time",
3656 .category = FIO_OPT_C_ENGINE,
3657 .group = FIO_OPT_G_INVALID,
3658 .posval = {
3659 { .ival = "none",
3660 .oval = RWH_WRITE_LIFE_NONE,
3661 },
3662 { .ival = "short",
3663 .oval = RWH_WRITE_LIFE_SHORT,
3664 },
3665 { .ival = "medium",
3666 .oval = RWH_WRITE_LIFE_MEDIUM,
3667 },
3668 { .ival = "long",
3669 .oval = RWH_WRITE_LIFE_LONG,
3670 },
3671 { .ival = "extreme",
3672 .oval = RWH_WRITE_LIFE_EXTREME,
3673 },
3674 },
3675 },
3676#endif
214e1eca
JA		 3677 {
3678 .name = "create_serialize",
e8b0e958 3679 .lname = "Create serialize",
214e1eca 3680 .type = FIO_OPT_BOOL,
a609f12a 3681 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3682 .help = "Serialize creation of job files",
214e1eca 3683 .def = "1",
e8b0e958
JA		 3684 .category = FIO_OPT_C_FILE,
3685 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3686 },
3687 {
3688 .name = "create_fsync",
e8b0e958 3689 .lname = "Create fsync",
214e1eca 3690 .type = FIO_OPT_BOOL,
a609f12a 3691 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3692 .help = "fsync file after creation",
214e1eca 3693 .def = "1",
e8b0e958
JA		 3694 .category = FIO_OPT_C_FILE,
3695 .group = FIO_OPT_G_INVALID,
214e1eca 3696 },
814452bd
JA		 3697 {
3698 .name = "create_on_open",
e8b0e958 3699 .lname = "Create on open",
814452bd 3700 .type = FIO_OPT_BOOL,
a609f12a 3701 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3702 .help = "Create files when they are opened for IO",
3703 .def = "0",
e8b0e958
JA		 3704 .category = FIO_OPT_C_FILE,
3705 .group = FIO_OPT_G_INVALID,
814452bd 3706 },
25460cf6
JA		 3707 {
3708 .name = "create_only",
cce2fdfe 3709 .lname = "Create Only",
25460cf6 3710 .type = FIO_OPT_BOOL,
a609f12a 3711 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3712 .help = "Only perform file creation phase",
d17fda71 3713 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3714 .def = "0",
3715 },
2378826d
JA		 3716 {
3717 .name = "allow_file_create",
e81ecca3 3718 .lname = "Allow file create",
2378826d 3719 .type = FIO_OPT_BOOL,
a609f12a 3720 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3721 .help = "Permit fio to create files, if they don't exist",
3722 .def = "1",
3723 .category = FIO_OPT_C_FILE,
3724 .group = FIO_OPT_G_FILENAME,
3725 },
e81ecca3
JA		 3726 {
3727 .name = "allow_mounted_write",
3728 .lname = "Allow mounted write",
3729 .type = FIO_OPT_BOOL,
a609f12a 3730 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3731 .help = "Allow writes to a mounted partition",
3732 .def = "0",
3733 .category = FIO_OPT_C_FILE,
3734 .group = FIO_OPT_G_FILENAME,
3735 },
0b9d69ec 3736 {
afad68f7 3737 .name = "pre_read",
e8b0e958 3738 .lname = "Pre-read files",
afad68f7 3739 .type = FIO_OPT_BOOL,
a609f12a 3740 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3741 .help = "Pre-read files before starting official testing",
afad68f7 3742 .def = "0",
e8b0e958
JA		 3743 .category = FIO_OPT_C_FILE,
3744 .group = FIO_OPT_G_INVALID,
afad68f7 3745 },
214e1eca
JA		 3746#ifdef FIO_HAVE_CPU_AFFINITY
3747 {
3748 .name = "cpumask",
e8b0e958 3749 .lname = "CPU mask",
214e1eca
JA		 3750 .type = FIO_OPT_INT,
3751 .cb = str_cpumask_cb,
a609f12a 3752 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3753 .help = "CPU affinity mask",
e8b0e958 3754 .category = FIO_OPT_C_GENERAL,
10860056 3755 .group = FIO_OPT_G_CRED,
214e1eca 3756 },
d2e268b0
JA		 3757 {
3758 .name = "cpus_allowed",
e8b0e958 3759 .lname = "CPUs allowed",
d2e268b0
JA		 3760 .type = FIO_OPT_STR,
3761 .cb = str_cpus_allowed_cb,
a609f12a 3762 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3763 .help = "Set CPUs allowed",
e8b0e958 3764 .category = FIO_OPT_C_GENERAL,
10860056 3765 .group = FIO_OPT_G_CRED,
d2e268b0 3766 },
c2acfbac
JA		 3767 {
3768 .name = "cpus_allowed_policy",
3769 .lname = "CPUs allowed distribution policy",
3770 .type = FIO_OPT_STR,
a609f12a 3771 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3772 .help = "Distribution policy for cpus_allowed",
3773 .parent = "cpus_allowed",
3774 .prio = 1,
3775 .posval = {
3776 { .ival = "shared",
3777 .oval = FIO_CPUS_SHARED,
3778 .help = "Mask shared between threads",
3779 },
3780 { .ival = "split",
3781 .oval = FIO_CPUS_SPLIT,
3782 .help = "Mask split between threads",
3783 },
3784 },
3785 .category = FIO_OPT_C_GENERAL,
3786 .group = FIO_OPT_G_CRED,
3787 },
a275c37a
JA		 3788#else
3789 {
3790 .name = "cpumask",
3791 .lname = "CPU mask",
3792 .type = FIO_OPT_UNSUPPORTED,
3793 .help = "Your platform does not support CPU affinities",
3794 },
3795 {
3796 .name = "cpus_allowed",
3797 .lname = "CPUs allowed",
3798 .type = FIO_OPT_UNSUPPORTED,
3799 .help = "Your platform does not support CPU affinities",
3800 },
3801 {
3802 .name = "cpus_allowed_policy",
3803 .lname = "CPUs allowed distribution policy",
3804 .type = FIO_OPT_UNSUPPORTED,
3805 .help = "Your platform does not support CPU affinities",
3806 },
d0b937ed 3807#endif
67bf9823 3808#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3809 {
3810 .name = "numa_cpu_nodes",
cce2fdfe 3811 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3812 .type = FIO_OPT_STR,
3813 .cb = str_numa_cpunodes_cb,
a609f12a 3814 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3815 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3816 .category = FIO_OPT_C_GENERAL,
3817 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3818 },
3819 {
3820 .name = "numa_mem_policy",
cce2fdfe 3821 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3822 .type = FIO_OPT_STR,
3823 .cb = str_numa_mpol_cb,
a609f12a 3824 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3825 .help = "NUMA memory policy setup",
6be54b2d
JA		 3826 .category = FIO_OPT_C_GENERAL,
3827 .group = FIO_OPT_G_INVALID,
d0b937ed 3828 },
a275c37a
JA		 3829#else
3830 {
3831 .name = "numa_cpu_nodes",
3832 .lname = "NUMA CPU Nodes",
3833 .type = FIO_OPT_UNSUPPORTED,
3834 .help = "Build fio with libnuma-dev(el) to enable this option",
3835 },
3836 {
3837 .name = "numa_mem_policy",
3838 .lname = "NUMA Memory Policy",
3839 .type = FIO_OPT_UNSUPPORTED,
3840 .help = "Build fio with libnuma-dev(el) to enable this option",
3841 },
03553853
YR		 3842#endif
3843#ifdef CONFIG_CUDA
3844 {
3845 .name = "gpu_dev_id",
3846 .lname = "GPU device ID",
3847 .type = FIO_OPT_INT,
3848 .off1 = offsetof(struct thread_options, gpu_dev_id),
3849 .help = "Set GPU device ID for GPUDirect RDMA",
3850 .def = "0",
3851 .category = FIO_OPT_C_GENERAL,
3852 .group = FIO_OPT_G_INVALID,
3853 },
214e1eca
JA		 3854#endif
3855 {
3856 .name = "end_fsync",
e8b0e958 3857 .lname = "End fsync",
214e1eca 3858 .type = FIO_OPT_BOOL,
a609f12a 3859 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3860 .help = "Include fsync at the end of job",
3861 .def = "0",
e8b0e958
JA		 3862 .category = FIO_OPT_C_FILE,
3863 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3864 },
3865 {
3866 .name = "fsync_on_close",
e8b0e958 3867 .lname = "Fsync on close",
214e1eca 3868 .type = FIO_OPT_BOOL,
a609f12a 3869 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3870 .help = "fsync files on close",
3871 .def = "0",
e8b0e958
JA		 3872 .category = FIO_OPT_C_FILE,
3873 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3874 },
3875 {
3876 .name = "unlink",
e8b0e958 3877 .lname = "Unlink file",
214e1eca 3878 .type = FIO_OPT_BOOL,
a609f12a 3879 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3880 .help = "Unlink created files after job has completed",
3881 .def = "0",
e8b0e958
JA		 3882 .category = FIO_OPT_C_FILE,
3883 .group = FIO_OPT_G_INVALID,
214e1eca 3884 },
39c1c323 3885 {
3886 .name = "unlink_each_loop",
3887 .lname = "Unlink file after each loop of a job",
3888 .type = FIO_OPT_BOOL,
a609f12a 3889 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3890 .help = "Unlink created files after each loop in a job has completed",
3891 .def = "0",
3892 .category = FIO_OPT_C_FILE,
3893 .group = FIO_OPT_G_INVALID,
3894 },
214e1eca
JA		 3895 {
3896 .name = "exitall",
e8b0e958 3897 .lname = "Exit-all on terminate",
214e1eca
JA		 3898 .type = FIO_OPT_STR_SET,
3899 .cb = str_exitall_cb,
3900 .help = "Terminate all jobs when one exits",
e8b0e958 3901 .category = FIO_OPT_C_GENERAL,
a1f6afec 3902 .group = FIO_OPT_G_PROCESS,
214e1eca 3903 },
f9cafb12
JA		 3904 {
3905 .name = "exitall_on_error",
3906 .lname = "Exit-all on terminate in error",
78abcf9b 3907 .type = FIO_OPT_STR_SET,
a609f12a 3908 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3909 .help = "Terminate all jobs when one exits in error",
3910 .category = FIO_OPT_C_GENERAL,
3911 .group = FIO_OPT_G_PROCESS,
3912 },
214e1eca
JA		 3913 {
3914 .name = "stonewall",
e8b0e958 3915 .lname = "Wait for previous",
d392365e 3916 .alias = "wait_for_previous",
214e1eca 3917 .type = FIO_OPT_STR_SET,
a609f12a 3918 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3919 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3920 .category = FIO_OPT_C_GENERAL,
a1f6afec 3921 .group = FIO_OPT_G_PROCESS,
214e1eca 3922 },
b3d62a75
JA		 3923 {
3924 .name = "new_group",
e8b0e958 3925 .lname = "New group",
b3d62a75 3926 .type = FIO_OPT_STR_SET,
a609f12a 3927 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3928 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3929 .category = FIO_OPT_C_GENERAL,
a1f6afec 3930 .group = FIO_OPT_G_PROCESS,
b3d62a75 3931 },
214e1eca
JA		 3932 {
3933 .name = "thread",
e8b0e958 3934 .lname = "Thread",
214e1eca 3935 .type = FIO_OPT_STR_SET,
a609f12a 3936 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3937 .help = "Use threads instead of processes",
c8931876
JA		 3938#ifdef CONFIG_NO_SHM
3939 .def = "1",
3940 .no_warn_def = 1,
3941#endif
e8b0e958 3942 .category = FIO_OPT_C_GENERAL,
a1f6afec 3943 .group = FIO_OPT_G_PROCESS,
214e1eca 3944 },
3a5db920
JA		 3945 {
3946 .name = "per_job_logs",
cce2fdfe 3947 .lname = "Per Job Logs",
3a5db920 3948 .type = FIO_OPT_BOOL,
a609f12a 3949 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3950 .help = "Include job number in generated log files or not",
3951 .def = "1",
3952 .category = FIO_OPT_C_LOG,
3953 .group = FIO_OPT_G_INVALID,
3954 },
214e1eca
JA		 3955 {
3956 .name = "write_bw_log",
e8b0e958 3957 .lname = "Write bandwidth log",
dded427c 3958 .type = FIO_OPT_STR,
a609f12a 3959 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3960 .cb = str_write_bw_log_cb,
214e1eca 3961 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3962 .category = FIO_OPT_C_LOG,
3963 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3964 },
3965 {
3966 .name = "write_lat_log",
e8b0e958 3967 .lname = "Write latency log",
dded427c 3968 .type = FIO_OPT_STR,
a609f12a 3969 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3970 .cb = str_write_lat_log_cb,
214e1eca 3971 .help = "Write log of latency during run",
e8b0e958
JA		 3972 .category = FIO_OPT_C_LOG,
3973 .group = FIO_OPT_G_INVALID,
214e1eca 3974 },
c8eeb9df
JA		 3975 {
3976 .name = "write_iops_log",
e8b0e958 3977 .lname = "Write IOPS log",
dded427c 3978 .type = FIO_OPT_STR,
a609f12a 3979 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3980 .cb = str_write_iops_log_cb,
c8eeb9df 3981 .help = "Write log of IOPS during run",
e8b0e958
JA		 3982 .category = FIO_OPT_C_LOG,
3983 .group = FIO_OPT_G_INVALID,
c8eeb9df 3984 },
b8bc8cba
JA		 3985 {
3986 .name = "log_avg_msec",
e8b0e958 3987 .lname = "Log averaging (msec)",
b8bc8cba 3988 .type = FIO_OPT_INT,
a609f12a 3989 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3990 .help = "Average bw/iops/lat logs over this period of time",
3991 .def = "0",
e8b0e958 3992 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3993 .group = FIO_OPT_G_INVALID,
3994 },
3995 {
3996 .name = "log_hist_msec",
3997 .lname = "Log histograms (msec)",
3998 .type = FIO_OPT_INT,
a609f12a 3999 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 4000 .help = "Dump completion latency histograms at frequency of this time value",
4001 .def = "0",
4002 .category = FIO_OPT_C_LOG,
4003 .group = FIO_OPT_G_INVALID,
4004 },
4005 {
4006 .name = "log_hist_coarseness",
4007 .lname = "Histogram logs coarseness",
4008 .type = FIO_OPT_INT,
a609f12a 4009 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 4010 .help = "Integer in range [0,6]. Higher coarseness outputs"
4011 " fewer histogram bins per sample. The number of bins for"
4012 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
4013 .def = "0",
4014 .category = FIO_OPT_C_LOG,
4015 .group = FIO_OPT_G_INVALID,
4016 },
4017 {
4018 .name = "write_hist_log",
4019 .lname = "Write latency histogram logs",
dded427c 4020 .type = FIO_OPT_STR,
a609f12a 4021 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 4022 .cb = str_write_hist_log_cb,
1e613c9c
KC		 4023 .help = "Write log of latency histograms during run",
4024 .category = FIO_OPT_C_LOG,
e8b0e958 4025 .group = FIO_OPT_G_INVALID,
b8bc8cba 4026 },
e6989e10
JA		 4027 {
4028 .name = "log_max_value",
4029 .lname = "Log maximum instead of average",
4030 .type = FIO_OPT_BOOL,
a609f12a 4031 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 4032 .help = "Log max sample in a window instead of average",
4033 .def = "0",
4034 .category = FIO_OPT_C_LOG,
4035 .group = FIO_OPT_G_INVALID,
4036 },
ae588852
JA		 4037 {
4038 .name = "log_offset",
4039 .lname = "Log offset of IO",
4040 .type = FIO_OPT_BOOL,
a609f12a 4041 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 4042 .help = "Include offset of IO for each log entry",
4043 .def = "0",
4044 .category = FIO_OPT_C_LOG,
4045 .group = FIO_OPT_G_INVALID,
4046 },
aee2ab67
JA		 4047#ifdef CONFIG_ZLIB
4048 {
4049 .name = "log_compression",
4050 .lname = "Log compression",
4051 .type = FIO_OPT_INT,
a609f12a 4052 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 4053 .help = "Log in compressed chunks of this size",
9919b27b 4054 .minval = 1024ULL,
aee2ab67
JA		 4055 .maxval = 512 * 1024 * 1024ULL,
4056 .category = FIO_OPT_C_LOG,
4057 .group = FIO_OPT_G_INVALID,
4058 },
c08f9fe2
JA		 4059#ifdef FIO_HAVE_CPU_AFFINITY
4060 {
4061 .name = "log_compression_cpus",
4062 .lname = "Log Compression CPUs",
4063 .type = FIO_OPT_STR,
4064 .cb = str_log_cpus_allowed_cb,
a609f12a 4065 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 4066 .parent = "log_compression",
4067 .help = "Limit log compression to these CPUs",
4068 .category = FIO_OPT_C_LOG,
4069 .group = FIO_OPT_G_INVALID,
4070 },
a275c37a
JA		 4071#else
4072 {
4073 .name = "log_compression_cpus",
4074 .lname = "Log Compression CPUs",
4075 .type = FIO_OPT_UNSUPPORTED,
4076 .help = "Your platform does not support CPU affinities",
4077 },
c08f9fe2 4078#endif
b26317c9
JA		 4079 {
4080 .name = "log_store_compressed",
4081 .lname = "Log store compressed",
4082 .type = FIO_OPT_BOOL,
a609f12a 4083 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 4084 .help = "Store logs in a compressed format",
4085 .category = FIO_OPT_C_LOG,
4086 .group = FIO_OPT_G_INVALID,
4087 },
a275c37a
JA		 4088#else
4089 {
4090 .name = "log_compression",
4091 .lname = "Log compression",
4092 .type = FIO_OPT_UNSUPPORTED,
4093 .help = "Install libz-dev(el) to get compression support",
4094 },
4095 {
4096 .name = "log_store_compressed",
4097 .lname = "Log store compressed",
4098 .type = FIO_OPT_UNSUPPORTED,
4099 .help = "Install libz-dev(el) to get compression support",
4100 },
aee2ab67 4101#endif
3aea75b1
KC		 4102 {
4103 .name = "log_unix_epoch",
4104 .lname = "Log epoch unix",
4105 .type = FIO_OPT_BOOL,
4106 .off1 = offsetof(struct thread_options, log_unix_epoch),
4107 .help = "Use Unix time in log files",
4108 .category = FIO_OPT_C_LOG,
4109 .group = FIO_OPT_G_INVALID,
4110 },
66347cfa
DE		 4111 {
4112 .name = "block_error_percentiles",
4113 .lname = "Block error percentiles",
4114 .type = FIO_OPT_BOOL,
a609f12a 4115 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 4116 .help = "Record trim block errors and make a histogram",
4117 .def = "0",
4118 .category = FIO_OPT_C_LOG,
4119 .group = FIO_OPT_G_INVALID,
4120 },
c504ee55
JA		 4121 {
4122 .name = "bwavgtime",
4123 .lname = "Bandwidth average time",
4124 .type = FIO_OPT_INT,
a609f12a 4125 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 4126 .help = "Time window over which to calculate bandwidth"
4127 " (msec)",
4128 .def = "500",
4129 .parent = "write_bw_log",
4130 .hide = 1,
4131 .interval = 100,
4132 .category = FIO_OPT_C_LOG,
4133 .group = FIO_OPT_G_INVALID,
4134 },
4135 {
4136 .name = "iopsavgtime",
4137 .lname = "IOPS average time",
4138 .type = FIO_OPT_INT,
a609f12a 4139 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 4140 .help = "Time window over which to calculate IOPS (msec)",
4141 .def = "500",
4142 .parent = "write_iops_log",
4143 .hide = 1,
4144 .interval = 100,
4145 .category = FIO_OPT_C_LOG,
4146 .group = FIO_OPT_G_INVALID,
4147 },
214e1eca
JA		 4148 {
4149 .name = "group_reporting",
e8b0e958 4150 .lname = "Group reporting",
d2507043 4151 .type = FIO_OPT_STR_SET,
a609f12a 4152 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 4153 .help = "Do reporting on a per-group basis",
10860056 4154 .category = FIO_OPT_C_STAT,
e8b0e958 4155 .group = FIO_OPT_G_INVALID,
214e1eca 4156 },
8243be59
JA		 4157 {
4158 .name = "stats",
4159 .lname = "Stats",
4160 .type = FIO_OPT_BOOL,
4161 .off1 = offsetof(struct thread_options, stats),
4162 .help = "Enable collection of stats",
4163 .def = "1",
4164 .category = FIO_OPT_C_STAT,
4165 .group = FIO_OPT_G_INVALID,
4166 },
e9459e5a
JA		 4167 {
4168 .name = "zero_buffers",
e8b0e958 4169 .lname = "Zero I/O buffers",
e9459e5a 4170 .type = FIO_OPT_STR_SET,
a609f12a 4171 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4172 .help = "Init IO buffers to all zeroes",
e8b0e958 4173 .category = FIO_OPT_C_IO,
3ceb458f 4174 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4175 },
5973cafb
JA		 4176 {
4177 .name = "refill_buffers",
e8b0e958 4178 .lname = "Refill I/O buffers",
5973cafb 4179 .type = FIO_OPT_STR_SET,
a609f12a 4180 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4181 .help = "Refill IO buffers on every IO submit",
e8b0e958 4182 .category = FIO_OPT_C_IO,
3ceb458f 4183 .group = FIO_OPT_G_IO_BUF,
5973cafb 4184 },
fd68418e
JA		 4185 {
4186 .name = "scramble_buffers",
e8b0e958 4187 .lname = "Scramble I/O buffers",
fd68418e 4188 .type = FIO_OPT_BOOL,
a609f12a 4189 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4190 .help = "Slightly scramble buffers on every IO submit",
4191 .def = "1",
e8b0e958 4192 .category = FIO_OPT_C_IO,
3ceb458f 4193 .group = FIO_OPT_G_IO_BUF,
fd68418e 4194 },
ce35b1ec
JA		 4195 {
4196 .name = "buffer_pattern",
4197 .lname = "Buffer pattern",
4198 .type = FIO_OPT_STR,
4199 .cb = str_buffer_pattern_cb,
a609f12a 4200 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4201 .help = "Fill pattern for IO buffers",
4202 .category = FIO_OPT_C_IO,
4203 .group = FIO_OPT_G_IO_BUF,
4204 },
9c42684e
JA		 4205 {
4206 .name = "buffer_compress_percentage",
e8b0e958 4207 .lname = "Buffer compression percentage",
9c42684e 4208 .type = FIO_OPT_INT,
bedc9dc2 4209 .cb = str_buffer_compress_cb,
a609f12a 4210 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4211 .maxval = 100,
e7f5de90 4212 .minval = 0,
9c42684e 4213 .help = "How compressible the buffer is (approximately)",
20eb06bd 4214 .interval = 5,
e8b0e958 4215 .category = FIO_OPT_C_IO,
3ceb458f 4216 .group = FIO_OPT_G_IO_BUF,
9c42684e 4217 },
f97a43a1
JA		 4218 {
4219 .name = "buffer_compress_chunk",
e8b0e958 4220 .lname = "Buffer compression chunk size",
f97a43a1 4221 .type = FIO_OPT_INT,
a609f12a 4222 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4223 .parent = "buffer_compress_percentage",
d71c154c 4224 .hide = 1,
f97a43a1 4225 .help = "Size of compressible region in buffer",
1de80624 4226 .def = "512",
20eb06bd 4227 .interval = 256,
e8b0e958 4228 .category = FIO_OPT_C_IO,
3ceb458f 4229 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4230 },
5c94b008
JA		 4231 {
4232 .name = "dedupe_percentage",
4233 .lname = "Dedupe percentage",
4234 .type = FIO_OPT_INT,
4235 .cb = str_dedupe_cb,
a609f12a 4236 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4237 .maxval = 100,
4238 .minval = 0,
4239 .help = "Percentage of buffers that are dedupable",
4240 .interval = 1,
4241 .category = FIO_OPT_C_IO,
4242 .group = FIO_OPT_G_IO_BUF,
4243 },
83349190
YH		 4244 {
4245 .name = "clat_percentiles",
e8b0e958 4246 .lname = "Completion latency percentiles",
83349190 4247 .type = FIO_OPT_BOOL,
a609f12a 4248 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4249 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4250 .def = "1",
b599759b
JA		 4251 .inverse = "lat_percentiles",
4252 .category = FIO_OPT_C_STAT,
4253 .group = FIO_OPT_G_INVALID,
4254 },
4255 {
4256 .name = "lat_percentiles",
4257 .lname = "IO latency percentiles",
4258 .type = FIO_OPT_BOOL,
4259 .off1 = offsetof(struct thread_options, lat_percentiles),
4260 .help = "Enable the reporting of IO latency percentiles",
4261 .def = "0",
4262 .inverse = "clat_percentiles",
e8b0e958
JA		 4263 .category = FIO_OPT_C_STAT,
4264 .group = FIO_OPT_G_INVALID,
83349190
YH		 4265 },
4266 {
4267 .name = "percentile_list",
66347cfa 4268 .lname = "Percentile list",
83349190 4269 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4270 .off1 = offsetof(struct thread_options, percentile_list),
4271 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4272 .help = "Specify a custom list of percentiles to report for "
4273 "completion latency and block errors",
fd112d34 4274 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4275 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4276 .minfp = 0.0,
4277 .maxfp = 100.0,
e8b0e958
JA		 4278 .category = FIO_OPT_C_STAT,
4279 .group = FIO_OPT_G_INVALID,
e883cb35
JF		 4280 },
4281 {
4282 .name = "significant_figures",
4283 .lname = "Significant figures",
4284 .type = FIO_OPT_INT,
4285 .off1 = offsetof(struct thread_options, sig_figs),
4286 .maxval = 10,
4287 .minval = 1,
4288 .help = "Significant figures for output-format set to normal",
4289 .def = "4",
4290 .interval = 1,
4291 .category = FIO_OPT_C_STAT,
4292 .group = FIO_OPT_G_INVALID,
83349190
YH		 4293 },
4294
0a839f30
JA		 4295#ifdef FIO_HAVE_DISK_UTIL
4296 {
4297 .name = "disk_util",
e8b0e958 4298 .lname = "Disk utilization",
0a839f30 4299 .type = FIO_OPT_BOOL,
a609f12a 4300 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4301 .help = "Log disk utilization statistics",
0a839f30 4302 .def = "1",
e8b0e958
JA		 4303 .category = FIO_OPT_C_STAT,
4304 .group = FIO_OPT_G_INVALID,
0a839f30 4305 },
a275c37a
JA		 4306#else
4307 {
4308 .name = "disk_util",
4309 .lname = "Disk utilization",
4310 .type = FIO_OPT_UNSUPPORTED,
4311 .help = "Your platform does not support disk utilization",
4312 },
0a839f30 4313#endif
993bf48b
JA		 4314 {
4315 .name = "gtod_reduce",
e8b0e958 4316 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4317 .type = FIO_OPT_BOOL,
4318 .help = "Greatly reduce number of gettimeofday() calls",
4319 .cb = str_gtod_reduce_cb,
4320 .def = "0",
a4ed77fe 4321 .hide_on_set = 1,
e8b0e958
JA		 4322 .category = FIO_OPT_C_STAT,
4323 .group = FIO_OPT_G_INVALID,
993bf48b 4324 },
02af0988
JA		 4325 {
4326 .name = "disable_lat",
e8b0e958 4327 .lname = "Disable all latency stats",
02af0988 4328 .type = FIO_OPT_BOOL,
a609f12a 4329 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4330 .help = "Disable latency numbers",
4331 .parent = "gtod_reduce",
d71c154c 4332 .hide = 1,
02af0988 4333 .def = "0",
e8b0e958
JA		 4334 .category = FIO_OPT_C_STAT,
4335 .group = FIO_OPT_G_INVALID,
02af0988 4336 },
9520ebb9
JA		 4337 {
4338 .name = "disable_clat",
e8b0e958 4339 .lname = "Disable completion latency stats",
9520ebb9 4340 .type = FIO_OPT_BOOL,
a609f12a 4341 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4342 .help = "Disable completion latency numbers",
993bf48b 4343 .parent = "gtod_reduce",
d71c154c 4344 .hide = 1,
9520ebb9 4345 .def = "0",
e8b0e958
JA		 4346 .category = FIO_OPT_C_STAT,
4347 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4348 },
4349 {
4350 .name = "disable_slat",
e8b0e958 4351 .lname = "Disable submission latency stats",
9520ebb9 4352 .type = FIO_OPT_BOOL,
a609f12a 4353 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4354 .help = "Disable submission latency numbers",
993bf48b 4355 .parent = "gtod_reduce",
d71c154c 4356 .hide = 1,
9520ebb9 4357 .def = "0",
e8b0e958
JA		 4358 .category = FIO_OPT_C_STAT,
4359 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4360 },
4361 {
4362 .name = "disable_bw_measurement",
afd2ceff 4363 .alias = "disable_bw",
e8b0e958 4364 .lname = "Disable bandwidth stats",
9520ebb9 4365 .type = FIO_OPT_BOOL,
a609f12a 4366 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4367 .help = "Disable bandwidth logging",
993bf48b 4368 .parent = "gtod_reduce",
d71c154c 4369 .hide = 1,
9520ebb9 4370 .def = "0",
e8b0e958
JA		 4371 .category = FIO_OPT_C_STAT,
4372 .group = FIO_OPT_G_INVALID,
9520ebb9 4373 },
be4ecfdf
JA		 4374 {
4375 .name = "gtod_cpu",
e8b0e958 4376 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4377 .type = FIO_OPT_INT,
a609f12a 4378 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4379 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4380 .verify = gtod_cpu_verify,
e8b0e958 4381 .category = FIO_OPT_C_GENERAL,
10860056 4382 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4383 },
771e58be
JA		 4384 {
4385 .name = "unified_rw_reporting",
cce2fdfe 4386 .lname = "Unified RW Reporting",
771e58be 4387 .type = FIO_OPT_BOOL,
a609f12a 4388 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4389 .help = "Unify reporting across data direction",
4390 .def = "0",
90b7a96d
JA		 4391 .category = FIO_OPT_C_GENERAL,
4392 .group = FIO_OPT_G_INVALID,
771e58be 4393 },
f2bba182
RR		 4394 {
4395 .name = "continue_on_error",
e8b0e958 4396 .lname = "Continue on error",
06842027 4397 .type = FIO_OPT_STR,
a609f12a 4398 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4399 .help = "Continue on non-fatal errors during IO",
06842027 4400 .def = "none",
e8b0e958 4401 .category = FIO_OPT_C_GENERAL,
bc3f552f 4402 .group = FIO_OPT_G_ERR,
06842027
SL		 4403 .posval = {
4404 { .ival = "none",
4405 .oval = ERROR_TYPE_NONE,
4406 .help = "Exit when an error is encountered",
4407 },
4408 { .ival = "read",
4409 .oval = ERROR_TYPE_READ,
4410 .help = "Continue on read errors only",
4411 },
4412 { .ival = "write",
4413 .oval = ERROR_TYPE_WRITE,
4414 .help = "Continue on write errors only",
4415 },
4416 { .ival = "io",
4417 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4418 .help = "Continue on any IO errors",
4419 },
4420 { .ival = "verify",
4421 .oval = ERROR_TYPE_VERIFY,
4422 .help = "Continue on verify errors only",
4423 },
4424 { .ival = "all",
4425 .oval = ERROR_TYPE_ANY,
4426 .help = "Continue on all io and verify errors",
4427 },
4428 { .ival = "0",
4429 .oval = ERROR_TYPE_NONE,
4430 .help = "Alias for 'none'",
4431 },
4432 { .ival = "1",
4433 .oval = ERROR_TYPE_ANY,
4434 .help = "Alias for 'all'",
4435 },
4436 },
f2bba182 4437 },
8b28bd41
DM		 4438 {
4439 .name = "ignore_error",
cce2fdfe 4440 .lname = "Ignore Error",
8b28bd41
DM		 4441 .type = FIO_OPT_STR,
4442 .cb = str_ignore_error_cb,
a609f12a 4443 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4444 .help = "Set a specific list of errors to ignore",
4445 .parent = "rw",
a94eb99a 4446 .category = FIO_OPT_C_GENERAL,
bc3f552f 4447 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4448 },
4449 {
4450 .name = "error_dump",
cce2fdfe 4451 .lname = "Error Dump",
8b28bd41 4452 .type = FIO_OPT_BOOL,
a609f12a 4453 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4454 .def = "0",
4455 .help = "Dump info on each error",
a94eb99a 4456 .category = FIO_OPT_C_GENERAL,
bc3f552f 4457 .group = FIO_OPT_G_ERR,
8b28bd41 4458 },
9ac8a797
JA		 4459 {
4460 .name = "profile",
e8b0e958 4461 .lname = "Profile",
79d16311 4462 .type = FIO_OPT_STR_STORE,
a609f12a 4463 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4464 .help = "Select a specific builtin performance test",
13fca827 4465 .category = FIO_OPT_C_PROFILE,
e8b0e958 4466 .group = FIO_OPT_G_INVALID,
9ac8a797 4467 },
a696fa2a
JA		 4468 {
4469 .name = "cgroup",
e8b0e958 4470 .lname = "Cgroup",
a696fa2a 4471 .type = FIO_OPT_STR_STORE,
a609f12a 4472 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4473 .help = "Add job to cgroup of this name",
e8b0e958 4474 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4475 .group = FIO_OPT_G_CGROUP,
4476 },
4477 {
4478 .name = "cgroup_nodelete",
4479 .lname = "Cgroup no-delete",
4480 .type = FIO_OPT_BOOL,
a609f12a 4481 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4482 .help = "Do not delete cgroups after job completion",
4483 .def = "0",
4484 .parent = "cgroup",
4485 .category = FIO_OPT_C_GENERAL,
4486 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4487 },
4488 {
4489 .name = "cgroup_weight",
e8b0e958 4490 .lname = "Cgroup weight",
a696fa2a 4491 .type = FIO_OPT_INT,
a609f12a 4492 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4493 .help = "Use given weight for cgroup",
4494 .minval = 100,
4495 .maxval = 1000,
a1f6afec 4496 .parent = "cgroup",
e8b0e958 4497 .category = FIO_OPT_C_GENERAL,
a1f6afec 4498 .group = FIO_OPT_G_CGROUP,
7de87099 4499 },
e0b0d892
JA		 4500 {
4501 .name = "uid",
e8b0e958 4502 .lname = "User ID",
e0b0d892 4503 .type = FIO_OPT_INT,
a609f12a 4504 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4505 .help = "Run job with this user ID",
e8b0e958 4506 .category = FIO_OPT_C_GENERAL,
10860056 4507 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4508 },
4509 {
4510 .name = "gid",
e8b0e958 4511 .lname = "Group ID",
e0b0d892 4512 .type = FIO_OPT_INT,
a609f12a 4513 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4514 .help = "Run job with this group ID",
e8b0e958 4515 .category = FIO_OPT_C_GENERAL,
10860056 4516 .group = FIO_OPT_G_CRED,
e0b0d892 4517 },
a1f6afec
JA		 4518 {
4519 .name = "kb_base",
4520 .lname = "KB Base",
4521 .type = FIO_OPT_INT,
a609f12a 4522 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4523 .prio = 1,
4524 .def = "1024",
ba9c7219
JA		 4525 .posval = {
4526 { .ival = "1024",
4527 .oval = 1024,
d694a6a7 4528 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4529 },
4530 { .ival = "1000",
4531 .oval = 1000,
d694a6a7 4532 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4533 },
4534 },
d694a6a7 4535 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4536 .category = FIO_OPT_C_GENERAL,
4537 .group = FIO_OPT_G_INVALID,
4538 },
cf3a0518
JA		 4539 {
4540 .name = "unit_base",
d694a6a7 4541 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4542 .type = FIO_OPT_INT,
a609f12a 4543 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4544 .prio = 1,
71a08258
JA		 4545 .posval = {
4546 { .ival = "0",
41a87019 4547 .oval = N2S_NONE,
71a08258
JA		 4548 .help = "Auto-detect",
4549 },
4550 { .ival = "8",
41a87019 4551 .oval = N2S_BYTEPERSEC,
71a08258
JA		 4552 .help = "Normal (byte based)",
4553 },
4554 { .ival = "1",
41a87019 4555 .oval = N2S_BITPERSEC,
71a08258
JA		 4556 .help = "Bit based",
4557 },
4558 },
cf3a0518
JA		 4559 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4560 .category = FIO_OPT_C_GENERAL,
4561 .group = FIO_OPT_G_INVALID,
4562 },
3ceb458f
JA		 4563 {
4564 .name = "hugepage-size",
4565 .lname = "Hugepage size",
4566 .type = FIO_OPT_INT,
a609f12a 4567 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4568 .help = "When using hugepages, specify size of each page",
4569 .def = __fio_stringify(FIO_HUGE_PAGE),
4570 .interval = 1024 * 1024,
4571 .category = FIO_OPT_C_GENERAL,
4572 .group = FIO_OPT_G_INVALID,
4573 },
9e684a49
DE		 4574 {
4575 .name = "flow_id",
e8b0e958 4576 .lname = "I/O flow ID",
9e684a49 4577 .type = FIO_OPT_INT,
a609f12a 4578 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4579 .help = "The flow index ID to use",
4580 .def = "0",
e8b0e958
JA		 4581 .category = FIO_OPT_C_IO,
4582 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4583 },
4584 {
4585 .name = "flow",
e8b0e958 4586 .lname = "I/O flow weight",
9e684a49 4587 .type = FIO_OPT_INT,
a609f12a 4588 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4589 .help = "Weight for flow control of this job",
4590 .parent = "flow_id",
d71c154c 4591 .hide = 1,
9e684a49 4592 .def = "0",
e8b0e958
JA		 4593 .category = FIO_OPT_C_IO,
4594 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4595 },
4596 {
4597 .name = "flow_watermark",
e8b0e958 4598 .lname = "I/O flow watermark",
9e684a49 4599 .type = FIO_OPT_INT,
a609f12a 4600 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4601 .help = "High watermark for flow control. This option"
4602 " should be set to the same value for all threads"
4603 " with non-zero flow.",
4604 .parent = "flow_id",
d71c154c 4605 .hide = 1,
9e684a49 4606 .def = "1024",
e8b0e958
JA		 4607 .category = FIO_OPT_C_IO,
4608 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4609 },
4610 {
4611 .name = "flow_sleep",
e8b0e958 4612 .lname = "I/O flow sleep",
9e684a49 4613 .type = FIO_OPT_INT,
a609f12a 4614 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4615 .help = "How many microseconds to sleep after being held"
4616 " back by the flow control mechanism",
4617 .parent = "flow_id",
d71c154c 4618 .hide = 1,
9e684a49 4619 .def = "0",
e8b0e958
JA		 4620 .category = FIO_OPT_C_IO,
4621 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4622 },
16e56d25
VF		 4623 {
4624 .name = "steadystate",
4625 .lname = "Steady state threshold",
4626 .alias = "ss",
4627 .type = FIO_OPT_STR,
2c5d94bc 4628 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4629 .cb = str_steadystate_cb,
4630 .help = "Define the criterion and limit to judge when a job has reached steady state",
4631 .def = "iops_slope:0.01%",
4632 .posval = {
4633 { .ival = "iops",
f0c50c66 4634 .oval = FIO_SS_IOPS,
16e56d25
VF		 4635 .help = "maximum mean deviation of IOPS measurements",
4636 },
4637 { .ival = "iops_slope",
f0c50c66 4638 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4639 .help = "slope calculated from IOPS measurements",
4640 },
4641 { .ival = "bw",
f0c50c66 4642 .oval = FIO_SS_BW,
16e56d25
VF		 4643 .help = "maximum mean deviation of bandwidth measurements",
4644 },
4645 {
4646 .ival = "bw_slope",
f0c50c66 4647 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4648 .help = "slope calculated from bandwidth measurements",
4649 },
4650 },
4651 .category = FIO_OPT_C_GENERAL,
4652 .group = FIO_OPT_G_RUNTIME,
4653 },
4654 {
4655 .name = "steadystate_duration",
4656 .lname = "Steady state duration",
4657 .alias = "ss_dur",
915ca980 4658 .parent = "steadystate",
16e56d25
VF		 4659 .type = FIO_OPT_STR_VAL_TIME,
4660 .off1 = offsetof(struct thread_options, ss_dur),
4661 .help = "Stop workload upon attaining steady state for specified duration",
4662 .def = "0",
4663 .is_seconds = 1,
4664 .is_time = 1,
4665 .category = FIO_OPT_C_GENERAL,
4666 .group = FIO_OPT_G_RUNTIME,
4667 },
4668 {
4669 .name = "steadystate_ramp_time",
4670 .lname = "Steady state ramp time",
4671 .alias = "ss_ramp",
915ca980 4672 .parent = "steadystate",
16e56d25
VF		 4673 .type = FIO_OPT_STR_VAL_TIME,
4674 .off1 = offsetof(struct thread_options, ss_ramp_time),
4675 .help = "Delay before initiation of data collection for steady state job termination testing",
4676 .def = "0",
4677 .is_seconds = 1,
4678 .is_time = 1,
4679 .category = FIO_OPT_C_GENERAL,
4680 .group = FIO_OPT_G_RUNTIME,
4681 },
214e1eca
JA		 4682 {
4683 .name = NULL,
4684 },
4685};
4686
17af15d4 4687static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4688 const char *name, int val)
9f81736c 4689{
17af15d4 4690 lopt->name = (char *) name;
de890a1e 4691 lopt->val = val;
9f81736c 4692 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4693 lopt->has_arg = optional_argument;
9f81736c
JA		 4694 else
4695 lopt->has_arg = required_argument;
4696}
4697
de890a1e
SL		 4698static void options_to_lopts(struct fio_option *opts,
4699 struct option *long_options,
4700 int i, int option_type)
214e1eca 4701{
de890a1e 4702 struct fio_option *o = &opts[0];
214e1eca 4703 while (o->name) {
de890a1e 4704 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4705 if (o->alias) {
4706 i++;
de890a1e 4707 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4708 }
214e1eca
JA		 4709
4710 i++;
4711 o++;
4712 assert(i < FIO_NR_OPTIONS);
4713 }
4714}
4715
de890a1e
SL		 4716void fio_options_set_ioengine_opts(struct option *long_options,
4717 struct thread_data *td)
4718{
4719 unsigned int i;
4720
4721 i = 0;
4722 while (long_options[i].name) {
4723 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4724 memset(&long_options[i], 0, sizeof(*long_options));
4725 break;
4726 }
4727 i++;
4728 }
4729
4730 /*
4731 * Just clear out the prior ioengine options.
4732 */
4733 if (!td || !td->eo)
4734 return;
4735
4736 options_to_lopts(td->io_ops->options, long_options, i,
4737 FIO_GETOPT_IOENGINE);
4738}
4739
4740void fio_options_dup_and_init(struct option *long_options)
4741{
4742 unsigned int i;
4743
9af4a244 4744 options_init(fio_options);
de890a1e
SL		 4745
4746 i = 0;
4747 while (long_options[i].name)
4748 i++;
4749
9af4a244 4750 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4751}
4752
74929ac2
JA		 4753struct fio_keyword {
4754 const char *word;
4755 const char *desc;
4756 char *replace;
4757};
4758
4759static struct fio_keyword fio_keywords[] = {
4760 {
4761 .word = "$pagesize",
4762 .desc = "Page size in the system",
4763 },
4764 {
4765 .word = "$mb_memory",
4766 .desc = "Megabytes of memory online",
4767 },
4768 {
4769 .word = "$ncpus",
4770 .desc = "Number of CPUs online in the system",
4771 },
4772 {
4773 .word = NULL,
4774 },
4775};
4776
af1dc266
JA		 4777void fio_keywords_exit(void)
4778{
4779 struct fio_keyword *kw;
4780
4781 kw = &fio_keywords[0];
4782 while (kw->word) {
4783 free(kw->replace);
4784 kw->replace = NULL;
4785 kw++;
4786 }
4787}
4788
74929ac2
JA		 4789void fio_keywords_init(void)
4790{
3b2e1464 4791 unsigned long long mb_memory;
74929ac2
JA		 4792 char buf[128];
4793 long l;
4794
a4cfc477 4795 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4796 fio_keywords[0].replace = strdup(buf);
4797
8eb016d3 4798 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4799 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4800 fio_keywords[1].replace = strdup(buf);
4801
c00a2289 4802 l = cpus_online();
74929ac2
JA		 4803 sprintf(buf, "%lu", l);
4804 fio_keywords[2].replace = strdup(buf);
4805}
4806
892a6ffc
JA		 4807#define BC_APP "bc"
4808
4809static char *bc_calc(char *str)
4810{
d0c814ec 4811 char buf[128], *tmp;
892a6ffc
JA		 4812 FILE *f;
4813 int ret;
4814
4815 /*
4816 * No math, just return string
4817 */
d0c814ec
SL		 4818 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4819 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4820 return str;
4821
4822 /*
4823 * Split option from value, we only need to calculate the value
4824 */
4825 tmp = strchr(str, '=');
4826 if (!tmp)
4827 return str;
4828
4829 tmp++;
892a6ffc 4830
d0c814ec
SL		 4831 /*
4832 * Prevent buffer overflows; such a case isn't reasonable anyway
4833 */
4834 if (strlen(str) >= 128 || strlen(tmp) > 100)
4835 return str;
892a6ffc
JA		 4836
4837 sprintf(buf, "which %s > /dev/null", BC_APP);
4838 if (system(buf)) {
4839 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4840 return NULL;
4841 }
4842
d0c814ec 4843 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4844 f = popen(buf, "r");
3c3ed070 4845 if (!f)
892a6ffc 4846 return NULL;
892a6ffc 4847
d0c814ec 4848 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4849 if (ret <= 0) {
4850 pclose(f);
892a6ffc 4851 return NULL;
1d824f37 4852 }
892a6ffc 4853
892a6ffc 4854 pclose(f);
d0c814ec
SL		 4855 buf[(tmp - str) + ret - 1] = '\0';
4856 memcpy(buf, str, tmp - str);
892a6ffc 4857 free(str);
d0c814ec
SL		 4858 return strdup(buf);
4859}
4860
4861/*
4862 * Return a copy of the input string with substrings of the form ${VARNAME}
4863 * substituted with the value of the environment variable VARNAME. The
4864 * substitution always occurs, even if VARNAME is empty or the corresponding
4865 * environment variable undefined.
4866 */
b4f5e72f 4867char *fio_option_dup_subs(const char *opt)
d0c814ec
SL		 4868{
4869 char out[OPT_LEN_MAX+1];
4870 char in[OPT_LEN_MAX+1];
4871 char *outptr = out;
4872 char *inptr = in;
4873 char *ch1, *ch2, *env;
4874 ssize_t nchr = OPT_LEN_MAX;
4875 size_t envlen;
4876
4877 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4878 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4879 return NULL;
4880 }
4881
4882 in[OPT_LEN_MAX] = '\0';
4883 strncpy(in, opt, OPT_LEN_MAX);
4884
4885 while (*inptr && nchr > 0) {
4886 if (inptr[0] == '$' && inptr[1] == '{') {
4887 ch2 = strchr(inptr, '}');
4888 if (ch2 && inptr+1 < ch2) {
4889 ch1 = inptr+2;
4890 inptr = ch2+1;
4891 *ch2 = '\0';
4892
4893 env = getenv(ch1);
4894 if (env) {
4895 envlen = strlen(env);
4896 if (envlen <= nchr) {
4897 memcpy(outptr, env, envlen);
4898 outptr += envlen;
4899 nchr -= envlen;
4900 }
4901 }
4902
4903 continue;
4904 }
4905 }
4906
4907 *outptr++ = *inptr++;
4908 --nchr;
4909 }
4910
4911 *outptr = '\0';
4912 return strdup(out);
892a6ffc
JA		 4913}
4914
74929ac2
JA		 4915/*
4916 * Look for reserved variable names and replace them with real values
4917 */
4918static char *fio_keyword_replace(char *opt)
4919{
4920 char *s;
4921 int i;
d0c814ec 4922 int docalc = 0;
74929ac2
JA		 4923
4924 for (i = 0; fio_keywords[i].word != NULL; i++) {
4925 struct fio_keyword *kw = &fio_keywords[i];
4926
4927 while ((s = strstr(opt, kw->word)) != NULL) {
4928 char *new = malloc(strlen(opt) + 1);
4929 char *o_org = opt;
4930 int olen = s - opt;
4931 int len;
4932
4933 /*
4934 * Copy part of the string before the keyword and
4935 * sprintf() the replacement after it.
4936 */
4937 memcpy(new, opt, olen);
4938 len = sprintf(new + olen, "%s", kw->replace);
4939
4940 /*
4941 * If there's more in the original string, copy that
4942 * in too
4943 */
4944 opt += strlen(kw->word) + olen;
4945 if (strlen(opt))
4946 memcpy(new + olen + len, opt, opt - o_org - 1);
4947
4948 /*
4949 * replace opt and free the old opt
4950 */
4951 opt = new;
d0c814ec 4952 free(o_org);
7a958bd5 4953
d0c814ec 4954 docalc = 1;
74929ac2
JA		 4955 }
4956 }
4957
d0c814ec
SL		 4958 /*
4959 * Check for potential math and invoke bc, if possible
4960 */
4961 if (docalc)
4962 opt = bc_calc(opt);
4963
7a958bd5 4964 return opt;
74929ac2
JA		 4965}
4966
d0c814ec
SL		 4967static char **dup_and_sub_options(char **opts, int num_opts)
4968{
4969 int i;
4970 char **opts_copy = malloc(num_opts * sizeof(*opts));
4971 for (i = 0; i < num_opts; i++) {
b4f5e72f 4972 opts_copy[i] = fio_option_dup_subs(opts[i]);
d0c814ec
SL		 4973 if (!opts_copy[i])
4974 continue;
4975 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4976 }
4977 return opts_copy;
4978}
4979
e15b023b 4980static void show_closest_option(const char *opt)
a2d027b9
JA		 4981{
4982 int best_option, best_distance;
4983 int i, distance;
e15b023b
JA		 4984 char *name;
4985
4986 if (!strlen(opt))
4987 return;
4988
4989 name = strdup(opt);
4990 i = 0;
4991 while (name[i] != '\0' && name[i] != '=')
4992 i++;
4993 name[i] = '\0';
a2d027b9
JA		 4994
4995 best_option = -1;
4996 best_distance = INT_MAX;
4997 i = 0;
4998 while (fio_options[i].name) {
4999 distance = string_distance(name, fio_options[i].name);
5000 if (distance < best_distance) {
5001 best_distance = distance;
5002 best_option = i;
5003 }
5004 i++;
5005 }
5006
75e6bcba
JA		 5007 if (best_option != -1 && string_distance_ok(name, best_distance) &&
5008 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 5009 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 5010
5011 free(name);
a2d027b9
JA		 5012}
5013
c2292325 5014int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 5015{
de890a1e 5016 int i, ret, unknown;
d0c814ec 5017 char **opts_copy;
3b8b7135 5018
9af4a244 5019 sort_options(opts, fio_options, num_opts);
d0c814ec 5020 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 5021
de890a1e 5022 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
9109883a 5023 const struct fio_option *o;
9af4a244 5024 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 5025 &o, &td->o, &td->opt_list);
d0c814ec 5026
a8523a6a
JA		 5027 if (!newret && o)
5028 fio_option_mark_set(&td->o, o);
5029
de890a1e
SL		 5030 if (opts_copy[i]) {
5031 if (newret && !o) {
5032 unknown++;
5033 continue;
5034 }
d0c814ec 5035 free(opts_copy[i]);
de890a1e
SL		 5036 opts_copy[i] = NULL;
5037 }
5038
5039 ret |= newret;
5040 }
5041
5042 if (unknown) {
5043 ret |= ioengine_load(td);
5044 if (td->eo) {
5045 sort_options(opts_copy, td->io_ops->options, num_opts);
5046 opts = opts_copy;
5047 }
5048 for (i = 0; i < num_opts; i++) {
9109883a 5049 const struct fio_option *o = NULL;
de890a1e 5050 int newret = 1;
a2d027b9 5051
de890a1e
SL		 5052 if (!opts_copy[i])
5053 continue;
5054
5055 if (td->eo)
5056 newret = parse_option(opts_copy[i], opts[i],
5057 td->io_ops->options, &o,
66e19a38 5058 td->eo, &td->opt_list);
de890a1e
SL		 5059
5060 ret |= newret;
a2d027b9 5061 if (!o) {
de890a1e 5062 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 5063 show_closest_option(opts[i]);
5064 }
de890a1e
SL		 5065 free(opts_copy[i]);
5066 opts_copy[i] = NULL;
5067 }
74929ac2 5068 }
3b8b7135 5069
d0c814ec 5070 free(opts_copy);
3b8b7135 5071 return ret;
214e1eca
JA		 5072}
5073
5074int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
5075{
a8523a6a
JA		 5076 int ret;
5077
a609f12a 5078 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a 5079 if (!ret) {
9109883a 5080 const struct fio_option *o;
a8523a6a 5081
9109883a 5082 o = find_option_c(fio_options, opt);
a8523a6a
JA		 5083 if (o)
5084 fio_option_mark_set(&td->o, o);
5085 }
5086
5087 return ret;
214e1eca
JA		 5088}
5089
de890a1e
SL		 5090int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
5091 char *val)
5092{
d8b4f395
JA		 5093 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
5094 &td->opt_list);
de890a1e
SL		 5095}
5096
214e1eca
JA		 5097void fio_fill_default_options(struct thread_data *td)
5098{
cb1402d6 5099 td->o.magic = OPT_MAGIC;
a609f12a 5100 fill_default_options(&td->o, fio_options);
214e1eca
JA		 5101}
5102
5103int fio_show_option_help(const char *opt)
5104{
9af4a244 5105 return show_cmd_help(fio_options, opt);
214e1eca 5106}
d23bb327 5107
de890a1e
SL		 5108/*
5109 * dupe FIO_OPT_STR_STORE options
5110 */
5111void fio_options_mem_dupe(struct thread_data *td)
5112{
53b5693d 5113 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 5114
5115 if (td->eo && td->io_ops) {
de890a1e 5116 void *oldeo = td->eo;
1647f592 5117
de890a1e
SL		 5118 td->eo = malloc(td->io_ops->option_struct_size);
5119 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 5120 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 5121 }
5122}
5123
d6978a32
JA		 5124unsigned int fio_get_kb_base(void *data)
5125{
a609f12a
JA		 5126 struct thread_data *td = cb_data_to_td(data);
5127 struct thread_options *o = &td->o;
d6978a32
JA		 5128 unsigned int kb_base = 0;
5129
cb1402d6
JA		 5130 /*
5131 * This is a hack... For private options, *data is not holding
5132 * a pointer to the thread_options, but to private data. This means
5133 * we can't safely dereference it, but magic is first so mem wise
5134 * it is valid. But this also means that if the job first sets
5135 * kb_base and expects that to be honored by private options,
5136 * it will be disappointed. We will return the global default
5137 * for this.
5138 */
5139 if (o && o->magic == OPT_MAGIC)
83ea422a 5140 kb_base = o->kb_base;
d6978a32
JA		 5141 if (!kb_base)
5142 kb_base = 1024;
5143
5144 return kb_base;
5145}
9f988e2e 5146
9109883a 5147int add_option(const struct fio_option *o)
9f988e2e 5148{
07b3232d
JA		 5149 struct fio_option *__o;
5150 int opt_index = 0;
5151
9af4a244 5152 __o = fio_options;
07b3232d
JA		 5153 while (__o->name) {
5154 opt_index++;
5155 __o++;
5156 }
5157
7b504edd
JA		 5158 if (opt_index + 1 == FIO_MAX_OPTS) {
5159 log_err("fio: FIO_MAX_OPTS is too small\n");
5160 return 1;
5161 }
5162
9af4a244 5163 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 5164 fio_options[opt_index + 1].name = NULL;
07b3232d 5165 return 0;
9f988e2e 5166}
e2de69da 5167
07b3232d 5168void invalidate_profile_options(const char *prof_name)
e2de69da 5169{
07b3232d 5170 struct fio_option *o;
e2de69da 5171
9af4a244 5172 o = fio_options;
07b3232d
JA		 5173 while (o->name) {
5174 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5175 o->type = FIO_OPT_INVALID;
5176 o->prof_name = NULL;
5177 }
5178 o++;
e2de69da
JA		 5179 }
5180}
f5b6bb85
JA		 5181
5182void add_opt_posval(const char *optname, const char *ival, const char *help)
5183{
5184 struct fio_option *o;
5185 unsigned int i;
5186
9af4a244 5187 o = find_option(fio_options, optname);
f5b6bb85
JA		 5188 if (!o)
5189 return;
5190
5191 for (i = 0; i < PARSE_MAX_VP; i++) {
5192 if (o->posval[i].ival)
5193 continue;
5194
5195 o->posval[i].ival = ival;
5196 o->posval[i].help = help;
5197 break;
5198 }
5199}
5200
5201void del_opt_posval(const char *optname, const char *ival)
5202{
5203 struct fio_option *o;
5204 unsigned int i;
5205
9af4a244 5206 o = find_option(fio_options, optname);
f5b6bb85
JA		 5207 if (!o)
5208 return;
5209
5210 for (i = 0; i < PARSE_MAX_VP; i++) {
5211 if (!o->posval[i].ival)
5212 continue;
5213 if (strcmp(o->posval[i].ival, ival))
5214 continue;
5215
5216 o->posval[i].ival = NULL;
5217 o->posval[i].help = NULL;
5218 }
5219}
7e356b2d
JA		 5220
5221void fio_options_free(struct thread_data *td)
5222{
ca6336a8 5223 options_free(fio_options, &td->o);
de890a1e
SL		 5224 if (td->eo && td->io_ops && td->io_ops->options) {
5225 options_free(td->io_ops->options, td->eo);
5226 free(td->eo);
5227 td->eo = NULL;
5228 }
7e356b2d 5229}
c504ee55
JA		 5230
5231struct fio_option *fio_option_find(const char *name)
5232{
5233 return find_option(fio_options, name);
5234}
5235
517c9c72 5236static struct fio_option *find_next_opt(struct fio_option *from,
f0e7f45a 5237 unsigned int off1)
a8523a6a 5238{
f0e7f45a 5239 struct fio_option *opt;
a8523a6a 5240
f0e7f45a
JA		 5241 if (!from)
5242 from = &fio_options[0];
5243 else
5244 from++;
5245
5246 opt = NULL;
5247 do {
5248 if (off1 == from->off1) {
5249 opt = from;
a8523a6a
JA		 5250 break;
5251 }
f0e7f45a
JA		 5252 from++;
5253 } while (from->name);
a8523a6a 5254
f0e7f45a
JA		 5255 return opt;
5256}
5257
5258static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5259{
5260 unsigned int opt_off, index, offset;
a8523a6a
JA		 5261
5262 opt_off = opt - &fio_options[0];
5263 index = opt_off / (8 * sizeof(uint64_t));
5264 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5265 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5266}
5267
72f39748 5268bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5269{
5270 struct fio_option *opt, *next;
5271
5272 next = NULL;
517c9c72 5273 while ((opt = find_next_opt(next, off1)) != NULL) {
f0e7f45a 5274 if (opt_is_set(o, opt))
72f39748 5275 return true;
f0e7f45a
JA		 5276
5277 next = opt;
5278 }
5279
72f39748 5280 return false;
f0e7f45a
JA		 5281}
5282
9109883a 5283void fio_option_mark_set(struct thread_options *o, const struct fio_option *opt)
a8523a6a
JA		 5284{
5285 unsigned int opt_off, index, offset;
5286
5287 opt_off = opt - &fio_options[0];
5288 index = opt_off / (8 * sizeof(uint64_t));
5289 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5290 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5291}
fio - Flexible IO Tester