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HOWTO: Add some details for invalidate=
[fio.git] / options.c
CommitLineData
214e1eca
JA		 1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
214e1eca 6#include <assert.h>
921c766f 7#include <libgen.h>
5921e80c
JA		 8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
e13c3b50 11#include <netinet/in.h>
214e1eca
JA		 12
13#include "fio.h"
4f5af7b2 14#include "verify.h"
214e1eca 15#include "parse.h"
eef32359 16#include "lib/fls.h"
61b9861d 17#include "lib/pattern.h"
9f988e2e 18#include "options.h"
d220c761 19#include "optgroup.h"
214e1eca 20
e13c3b50 21char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 22
a609f12a
JA		 23#define cb_data_to_td(data) container_of(data, struct thread_data, o)
24
fc8d6d05 25static struct pattern_fmt_desc fmt_desc[] = {
4205998f
JA		 26 {
27 .fmt = "%o",
28 .len = FIELD_SIZE(struct io_u *, offset),
29 .paste = paste_blockoff
30 }
31};
32
214e1eca
JA		 33/*
34 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
35 */
36static char *get_opt_postfix(const char *str)
37{
38 char *p = strstr(str, ":");
39
40 if (!p)
41 return NULL;
42
43 p++;
44 strip_blank_front(&p);
45 strip_blank_end(p);
46 return strdup(p);
47}
48
564ca972
JA		 49static int bs_cmp(const void *p1, const void *p2)
50{
51 const struct bssplit *bsp1 = p1;
52 const struct bssplit *bsp2 = p2;
53
a7cd478d 54 return (int) bsp1->perc - (int) bsp2->perc;
564ca972
JA		 55}
56
d2835319
JA		 57struct split {
58 unsigned int nr;
59 unsigned int val1[100];
60 unsigned int val2[100];
61};
62
63static int split_parse_ddir(struct thread_options *o, struct split *split,
64 enum fio_ddir ddir, char *str)
564ca972 65{
d2835319 66 unsigned int i, perc;
564ca972 67 long long val;
720e84ad 68 char *fname;
564ca972 69
d2835319 70 split->nr = 0;
564ca972
JA		 71
72 i = 0;
564ca972
JA		 73 while ((fname = strsep(&str, ":")) != NULL) {
74 char *perc_str;
75
76 if (!strlen(fname))
77 break;
78
564ca972
JA		 79 perc_str = strstr(fname, "/");
80 if (perc_str) {
81 *perc_str = '\0';
82 perc_str++;
83 perc = atoi(perc_str);
84 if (perc > 100)
85 perc = 100;
86 else if (!perc)
d711cce5 87 perc = -1U;
564ca972 88 } else
d711cce5 89 perc = -1U;
564ca972 90
88038bc7 91 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
564ca972 92 log_err("fio: bssplit conversion failed\n");
564ca972
JA		 93 return 1;
94 }
95
d2835319
JA		 96 split->val1[i] = val;
97 split->val2[i] = perc;
564ca972 98 i++;
d2835319
JA		 99 if (i == 100)
100 break;
564ca972
JA		 101 }
102
d2835319
JA		 103 split->nr = i;
104 return 0;
105}
106
107static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str)
108{
109 unsigned int i, perc, perc_missing;
110 unsigned int max_bs, min_bs;
111 struct split split;
112
113 memset(&split, 0, sizeof(split));
114
115 if (split_parse_ddir(o, &split, ddir, str))
116 return 1;
117 if (!split.nr)
118 return 0;
119
120 max_bs = 0;
121 min_bs = -1;
122 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
123 o->bssplit_nr[ddir] = split.nr;
124 for (i = 0; i < split.nr; i++) {
125 if (split.val1[i] > max_bs)
126 max_bs = split.val1[i];
127 if (split.val1[i] < min_bs)
128 min_bs = split.val1[i];
129
130 o->bssplit[ddir][i].bs = split.val1[i];
131 o->bssplit[ddir][i].perc =split.val2[i];
132 }
564ca972
JA		 133
134 /*
135 * Now check if the percentages add up, and how much is missing
136 */
137 perc = perc_missing = 0;
83ea422a 138 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 139 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 140
d711cce5 141 if (bsp->perc == -1U)
564ca972
JA		 142 perc_missing++;
143 else
144 perc += bsp->perc;
145 }
146
40bafa33 147 if (perc > 100 && perc_missing > 1) {
564ca972 148 log_err("fio: bssplit percentages add to more than 100%%\n");
d2835319
JA		 149 free(o->bssplit[ddir]);
150 o->bssplit[ddir] = NULL;
564ca972
JA		 151 return 1;
152 }
d711cce5 153
564ca972
JA		 154 /*
155 * If values didn't have a percentage set, divide the remains between
156 * them.
157 */
158 if (perc_missing) {
d711cce5 159 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 160 perc = 100;
83ea422a 161 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 162 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 163
d711cce5 164 if (bsp->perc == -1U)
564ca972
JA		 165 bsp->perc = (100 - perc) / perc_missing;
166 }
167 }
168
83ea422a
JA		 169 o->min_bs[ddir] = min_bs;
170 o->max_bs[ddir] = max_bs;
564ca972
JA		 171
172 /*
173 * now sort based on percentages, for ease of lookup
174 */
d2835319 175 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
720e84ad 176 return 0;
720e84ad
JA		 177}
178
764593c0
JA		 179typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *);
180
181static int str_split_parse(struct thread_data *td, char *str, split_parse_fn *fn)
720e84ad 182{
764593c0 183 char *odir, *ddir;
720e84ad
JA		 184 int ret = 0;
185
720e84ad
JA		 186 odir = strchr(str, ',');
187 if (odir) {
6eaf09d6
SL		 188 ddir = strchr(odir + 1, ',');
189 if (ddir) {
764593c0 190 ret = fn(&td->o, DDIR_TRIM, ddir + 1);
6eaf09d6
SL		 191 if (!ret)
192 *ddir = '\0';
193 } else {
194 char *op;
195
196 op = strdup(odir + 1);
764593c0 197 ret = fn(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 198
199 free(op);
200 }
d79db122 201 if (!ret)
764593c0 202 ret = fn(&td->o, DDIR_WRITE, odir + 1);
720e84ad
JA		 203 if (!ret) {
204 *odir = '\0';
764593c0 205 ret = fn(&td->o, DDIR_READ, str);
720e84ad
JA		 206 }
207 } else {
208 char *op;
209
210 op = strdup(str);
764593c0 211 ret = fn(&td->o, DDIR_WRITE, op);
6eaf09d6 212 free(op);
720e84ad 213
6eaf09d6
SL		 214 if (!ret) {
215 op = strdup(str);
764593c0 216 ret = fn(&td->o, DDIR_TRIM, op);
6eaf09d6
SL		 217 free(op);
218 }
f0c9c217 219 if (!ret)
764593c0 220 ret = fn(&td->o, DDIR_READ, str);
720e84ad 221 }
564ca972 222
764593c0
JA		 223 return ret;
224}
225
226static int str_bssplit_cb(void *data, const char *input)
227{
a609f12a 228 struct thread_data *td = cb_data_to_td(data);
764593c0
JA		 229 char *str, *p;
230 int ret = 0;
231
764593c0
JA		 232 p = str = strdup(input);
233
234 strip_blank_front(&str);
235 strip_blank_end(str);
236
237 ret = str_split_parse(td, str, bssplit_ddir);
238
55baca06
JA		 239 if (parse_dryrun()) {
240 int i;
241
242 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
243 free(td->o.bssplit[i]);
244 td->o.bssplit[i] = NULL;
245 td->o.bssplit_nr[i] = 0;
246 }
247 }
248
564ca972 249 free(p);
720e84ad 250 return ret;
564ca972
JA		 251}
252
8b28bd41
DM		 253static int str2error(char *str)
254{
a94eb99a 255 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 256 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
257 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
258 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
259 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
260 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
261 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 262 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
7fe481b4 263 int i = 0, num = sizeof(err) / sizeof(char *);
8b28bd41 264
a94eb99a 265 while (i < num) {
8b28bd41
DM		 266 if (!strcmp(err[i], str))
267 return i + 1;
268 i++;
269 }
270 return 0;
271}
272
273static int ignore_error_type(struct thread_data *td, int etype, char *str)
274{
275 unsigned int i;
276 int *error;
277 char *fname;
278
279 if (etype >= ERROR_TYPE_CNT) {
280 log_err("Illegal error type\n");
281 return 1;
282 }
283
284 td->o.ignore_error_nr[etype] = 4;
285 error = malloc(4 * sizeof(struct bssplit));
286
287 i = 0;
288 while ((fname = strsep(&str, ":")) != NULL) {
289
290 if (!strlen(fname))
291 break;
292
293 /*
294 * grow struct buffer, if needed
295 */
296 if (i == td->o.ignore_error_nr[etype]) {
297 td->o.ignore_error_nr[etype] <<= 1;
298 error = realloc(error, td->o.ignore_error_nr[etype]
299 * sizeof(int));
300 }
301 if (fname[0] == 'E') {
302 error[i] = str2error(fname);
303 } else {
304 error[i] = atoi(fname);
305 if (error[i] < 0)
1616e025 306 error[i] = -error[i];
8b28bd41
DM		 307 }
308 if (!error[i]) {
309 log_err("Unknown error %s, please use number value \n",
310 fname);
0fddbf7a 311 free(error);
8b28bd41
DM		 312 return 1;
313 }
314 i++;
315 }
316 if (i) {
317 td->o.continue_on_error |= 1 << etype;
318 td->o.ignore_error_nr[etype] = i;
319 td->o.ignore_error[etype] = error;
c7b086be
JA		 320 } else
321 free(error);
322
8b28bd41
DM		 323 return 0;
324
325}
326
327static int str_ignore_error_cb(void *data, const char *input)
328{
a609f12a 329 struct thread_data *td = cb_data_to_td(data);
8b28bd41
DM		 330 char *str, *p, *n;
331 int type = 0, ret = 1;
52c0cea3
JA		 332
333 if (parse_dryrun())
334 return 0;
335
8b28bd41
DM		 336 p = str = strdup(input);
337
338 strip_blank_front(&str);
339 strip_blank_end(str);
340
341 while (p) {
342 n = strchr(p, ',');
343 if (n)
344 *n++ = '\0';
345 ret = ignore_error_type(td, type, p);
346 if (ret)
347 break;
348 p = n;
349 type++;
350 }
351 free(str);
352 return ret;
353}
354
211097b2
JA		 355static int str_rw_cb(void *data, const char *str)
356{
a609f12a 357 struct thread_data *td = cb_data_to_td(data);
83ea422a 358 struct thread_options *o = &td->o;
27ca949f 359 char *nr;
211097b2 360
52c0cea3
JA		 361 if (parse_dryrun())
362 return 0;
363
83ea422a
JA		 364 o->ddir_seq_nr = 1;
365 o->ddir_seq_add = 0;
059b0802 366
27ca949f 367 nr = get_opt_postfix(str);
059b0802
JA		 368 if (!nr)
369 return 0;
370
371 if (td_random(td))
83ea422a 372 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 373 else {
374 long long val;
375
88038bc7 376 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 377 log_err("fio: rw postfix parsing failed\n");
378 free(nr);
379 return 1;
380 }
381
83ea422a 382 o->ddir_seq_add = val;
182ec6ee 383 }
211097b2 384
059b0802 385 free(nr);
211097b2
JA		 386 return 0;
387}
388
214e1eca
JA		 389static int str_mem_cb(void *data, const char *mem)
390{
a609f12a 391 struct thread_data *td = cb_data_to_td(data);
214e1eca 392
217b0f1d
LG		 393 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
394 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 395 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 396
397 return 0;
398}
399
c223da83
JA		 400static int fio_clock_source_cb(void *data, const char *str)
401{
a609f12a 402 struct thread_data *td = cb_data_to_td(data);
c223da83
JA		 403
404 fio_clock_source = td->o.clocksource;
fa80feae 405 fio_clock_source_set = 1;
01423eae 406 fio_clock_init();
c223da83
JA		 407 return 0;
408}
409
85bc833b 410static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4 411{
a609f12a 412 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 413
414 td->o.rwmix[DDIR_READ] = *val;
415 td->o.rwmix[DDIR_WRITE] = 100 - *val;
416 return 0;
417}
418
85bc833b 419static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4 420{
a609f12a 421 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 422
423 td->o.rwmix[DDIR_WRITE] = *val;
424 td->o.rwmix[DDIR_READ] = 100 - *val;
425 return 0;
426}
427
214e1eca
JA		 428static int str_exitall_cb(void)
429{
430 exitall_on_terminate = 1;
431 return 0;
432}
433
214e1eca 434#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 435int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 436{
50b5860b 437 unsigned int i, index, cpus_in_mask;
c2acfbac 438 const long max_cpu = cpus_online();
c2acfbac 439
50b5860b
JA		 440 cpus_in_mask = fio_cpu_count(mask);
441 cpu_index = cpu_index % cpus_in_mask;
442
443 index = 0;
c2acfbac 444 for (i = 0; i < max_cpu; i++) {
50b5860b 445 if (!fio_cpu_isset(mask, i))
c2acfbac 446 continue;
50b5860b
JA		 447
448 if (cpu_index != index)
449 fio_cpu_clear(mask, i);
450
451 index++;
c2acfbac
JA		 452 }
453
454 return fio_cpu_count(mask);
455}
456
85bc833b 457static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0 458{
a609f12a 459 struct thread_data *td = cb_data_to_td(data);
214e1eca 460 unsigned int i;
b03daafb 461 long max_cpu;
d2ce18b5
JA		 462 int ret;
463
52c0cea3
JA		 464 if (parse_dryrun())
465 return 0;
466
d2ce18b5
JA		 467 ret = fio_cpuset_init(&td->o.cpumask);
468 if (ret < 0) {
469 log_err("fio: cpuset_init failed\n");
470 td_verror(td, ret, "fio_cpuset_init");
471 return 1;
472 }
214e1eca 473
c00a2289 474 max_cpu = cpus_online();
214e1eca 475
62a7273d
JA		 476 for (i = 0; i < sizeof(int) * 8; i++) {
477 if ((1 << i) & *val) {
b8411399 478 if (i >= max_cpu) {
b03daafb 479 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 480 max_cpu - 1);
b03daafb
JA		 481 return 1;
482 }
62a7273d 483 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 484 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 485 }
486 }
d2e268b0 487
d2e268b0 488 return 0;
214e1eca
JA		 489}
490
e8462bd8
JA		 491static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
492 const char *input)
214e1eca 493{
d2e268b0 494 char *cpu, *str, *p;
b03daafb 495 long max_cpu;
19608d6c 496 int ret = 0;
d2e268b0 497
e8462bd8 498 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 499 if (ret < 0) {
500 log_err("fio: cpuset_init failed\n");
501 td_verror(td, ret, "fio_cpuset_init");
502 return 1;
503 }
d2e268b0
JA		 504
505 p = str = strdup(input);
214e1eca 506
d2e268b0
JA		 507 strip_blank_front(&str);
508 strip_blank_end(str);
509
c00a2289 510 max_cpu = cpus_online();
b03daafb 511
d2e268b0 512 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 513 char *str2, *cpu2;
514 int icpu, icpu2;
515
d2e268b0
JA		 516 if (!strlen(cpu))
517 break;
62a7273d
JA		 518
519 str2 = cpu;
520 icpu2 = -1;
521 while ((cpu2 = strsep(&str2, "-")) != NULL) {
522 if (!strlen(cpu2))
523 break;
524
525 icpu2 = atoi(cpu2);
526 }
527
528 icpu = atoi(cpu);
529 if (icpu2 == -1)
530 icpu2 = icpu;
531 while (icpu <= icpu2) {
6d459ee7 532 if (icpu >= FIO_MAX_CPUS) {
19608d6c 533 log_err("fio: your OS only supports up to"
6d459ee7 534 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 535 ret = 1;
536 break;
537 }
9e986889 538 if (icpu >= max_cpu) {
b03daafb 539 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 540 icpu, max_cpu - 1);
b03daafb
JA		 541 ret = 1;
542 break;
543 }
0b9d69ec 544
62a7273d 545 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 546 fio_cpu_set(mask, icpu);
62a7273d
JA		 547 icpu++;
548 }
19608d6c
JA		 549 if (ret)
550 break;
d2e268b0
JA		 551 }
552
553 free(p);
19608d6c 554 return ret;
214e1eca 555}
e8462bd8
JA		 556
557static int str_cpus_allowed_cb(void *data, const char *input)
558{
a609f12a 559 struct thread_data *td = cb_data_to_td(data);
e8462bd8 560
52c0cea3
JA		 561 if (parse_dryrun())
562 return 0;
563
b2a9e649 564 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 565}
566
567static int str_verify_cpus_allowed_cb(void *data, const char *input)
568{
a609f12a 569 struct thread_data *td = cb_data_to_td(data);
e8462bd8 570
466155e2
JA		 571 if (parse_dryrun())
572 return 0;
573
b2a9e649 574 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 575}
c08f9fe2 576
105157ad 577#ifdef CONFIG_ZLIB
c08f9fe2
JA		 578static int str_log_cpus_allowed_cb(void *data, const char *input)
579{
a609f12a 580 struct thread_data *td = cb_data_to_td(data);
c08f9fe2
JA		 581
582 if (parse_dryrun())
583 return 0;
584
585 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
586}
105157ad 587#endif /* CONFIG_ZLIB */
c08f9fe2 588
105157ad 589#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 590
67bf9823 591#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 592static int str_numa_cpunodes_cb(void *data, char *input)
593{
a609f12a 594 struct thread_data *td = cb_data_to_td(data);
43522848 595 struct bitmask *verify_bitmask;
d0b937ed 596
52c0cea3
JA		 597 if (parse_dryrun())
598 return 0;
599
d0b937ed
YR		 600 /* numa_parse_nodestring() parses a character string list
601 * of nodes into a bit mask. The bit mask is allocated by
602 * numa_allocate_nodemask(), so it should be freed by
603 * numa_free_nodemask().
604 */
43522848
DG		 605 verify_bitmask = numa_parse_nodestring(input);
606 if (verify_bitmask == NULL) {
d0b937ed
YR		 607 log_err("fio: numa_parse_nodestring failed\n");
608 td_verror(td, 1, "str_numa_cpunodes_cb");
609 return 1;
610 }
43522848 611 numa_free_nodemask(verify_bitmask);
d0b937ed 612
43522848 613 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 614 return 0;
615}
616
617static int str_numa_mpol_cb(void *data, char *input)
618{
a609f12a 619 struct thread_data *td = cb_data_to_td(data);
d0b937ed 620 const char * const policy_types[] =
05d6f44b 621 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 622 int i;
52c0cea3 623 char *nodelist;
43522848 624 struct bitmask *verify_bitmask;
52c0cea3
JA		 625
626 if (parse_dryrun())
627 return 0;
d0b937ed 628
52c0cea3 629 nodelist = strchr(input, ':');
d0b937ed
YR		 630 if (nodelist) {
631 /* NUL-terminate mode */
632 *nodelist++ = '\0';
633 }
634
635 for (i = 0; i <= MPOL_LOCAL; i++) {
636 if (!strcmp(input, policy_types[i])) {
637 td->o.numa_mem_mode = i;
638 break;
639 }
640 }
641 if (i > MPOL_LOCAL) {
642 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
643 goto out;
644 }
645
646 switch (td->o.numa_mem_mode) {
647 case MPOL_PREFERRED:
648 /*
649 * Insist on a nodelist of one node only
650 */
651 if (nodelist) {
652 char *rest = nodelist;
653 while (isdigit(*rest))
654 rest++;
655 if (*rest) {
656 log_err("fio: one node only for \'prefer\'\n");
657 goto out;
658 }
659 } else {
660 log_err("fio: one node is needed for \'prefer\'\n");
661 goto out;
662 }
663 break;
664 case MPOL_INTERLEAVE:
665 /*
666 * Default to online nodes with memory if no nodelist
667 */
668 if (!nodelist)
669 nodelist = strdup("all");
670 break;
671 case MPOL_LOCAL:
672 case MPOL_DEFAULT:
673 /*
674 * Don't allow a nodelist
675 */
676 if (nodelist) {
677 log_err("fio: NO nodelist for \'local\'\n");
678 goto out;
679 }
680 break;
681 case MPOL_BIND:
682 /*
683 * Insist on a nodelist
684 */
685 if (!nodelist) {
686 log_err("fio: a nodelist is needed for \'bind\'\n");
687 goto out;
688 }
689 break;
690 }
691
692
693 /* numa_parse_nodestring() parses a character string list
694 * of nodes into a bit mask. The bit mask is allocated by
695 * numa_allocate_nodemask(), so it should be freed by
696 * numa_free_nodemask().
697 */
698 switch (td->o.numa_mem_mode) {
699 case MPOL_PREFERRED:
700 td->o.numa_mem_prefer_node = atoi(nodelist);
701 break;
702 case MPOL_INTERLEAVE:
703 case MPOL_BIND:
43522848
DG		 704 verify_bitmask = numa_parse_nodestring(nodelist);
705 if (verify_bitmask == NULL) {
d0b937ed
YR		 706 log_err("fio: numa_parse_nodestring failed\n");
707 td_verror(td, 1, "str_numa_memnodes_cb");
708 return 1;
709 }
43522848
DG		 710 td->o.numa_memnodes = strdup(nodelist);
711 numa_free_nodemask(verify_bitmask);
b74e419e 712
d0b937ed
YR		 713 break;
714 case MPOL_LOCAL:
715 case MPOL_DEFAULT:
716 default:
717 break;
718 }
719
d0b937ed 720 return 0;
d0b937ed
YR		 721out:
722 return 1;
723}
724#endif
725
214e1eca
JA		 726static int str_fst_cb(void *data, const char *str)
727{
a609f12a 728 struct thread_data *td = cb_data_to_td(data);
8c07860d
JA		 729 double val;
730 bool done = false;
731 char *nr;
214e1eca
JA		 732
733 td->file_service_nr = 1;
8c07860d
JA		 734
735 switch (td->o.file_service_type) {
736 case FIO_FSERVICE_RANDOM:
737 case FIO_FSERVICE_RR:
738 case FIO_FSERVICE_SEQ:
739 nr = get_opt_postfix(str);
740 if (nr) {
741 td->file_service_nr = atoi(nr);
742 free(nr);
743 }
744 done = true;
745 break;
746 case FIO_FSERVICE_ZIPF:
747 val = FIO_DEF_ZIPF;
748 break;
749 case FIO_FSERVICE_PARETO:
750 val = FIO_DEF_PARETO;
751 break;
752 case FIO_FSERVICE_GAUSS:
753 val = 0.0;
754 break;
755 default:
756 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
757 return 1;
758 }
759
760 if (done)
761 return 0;
762
763 nr = get_opt_postfix(str);
764 if (nr && !str_to_float(nr, &val, 0)) {
765 log_err("fio: file service type random postfix parsing failed\n");
182ec6ee 766 free(nr);
8c07860d
JA		 767 return 1;
768 }
769
770 free(nr);
771
772 switch (td->o.file_service_type) {
773 case FIO_FSERVICE_ZIPF:
774 if (val == 1.00) {
775 log_err("fio: zipf theta must be different than 1.0\n");
776 return 1;
777 }
778 if (parse_dryrun())
779 return 0;
780 td->zipf_theta = val;
781 break;
782 case FIO_FSERVICE_PARETO:
783 if (val <= 0.00 || val >= 1.00) {
784 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
785 return 1;
786 }
787 if (parse_dryrun())
788 return 0;
789 td->pareto_h = val;
790 break;
791 case FIO_FSERVICE_GAUSS:
792 if (val < 0.00 || val >= 100.00) {
99c94a6b 793 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
8c07860d
JA		 794 return 1;
795 }
796 if (parse_dryrun())
797 return 0;
798 td->gauss_dev = val;
799 break;
182ec6ee 800 }
214e1eca
JA		 801
802 return 0;
803}
804
67bf9823 805#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 806static int str_sfr_cb(void *data, const char *str)
807{
a609f12a 808 struct thread_data *td = cb_data_to_td(data);
44f29692
JA		 809 char *nr = get_opt_postfix(str);
810
811 td->sync_file_range_nr = 1;
812 if (nr) {
813 td->sync_file_range_nr = atoi(nr);
814 free(nr);
815 }
816
817 return 0;
818}
3ae06371 819#endif
44f29692 820
e0a04ac1
JA		 821static int zone_cmp(const void *p1, const void *p2)
822{
823 const struct zone_split *zsp1 = p1;
824 const struct zone_split *zsp2 = p2;
825
826 return (int) zsp2->access_perc - (int) zsp1->access_perc;
827}
828
764593c0
JA		 829static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
830 char *str)
e0a04ac1 831{
e0a04ac1 832 unsigned int i, perc, perc_missing, sperc, sperc_missing;
d2835319 833 struct split split;
e0a04ac1 834
d2835319 835 memset(&split, 0, sizeof(split));
e0a04ac1 836
d2835319
JA		 837 if (split_parse_ddir(o, &split, ddir, str))
838 return 1;
839 if (!split.nr)
840 return 0;
e0a04ac1 841
d2835319
JA		 842 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
843 o->zone_split_nr[ddir] = split.nr;
844 for (i = 0; i < split.nr; i++) {
845 o->zone_split[ddir][i].access_perc = split.val1[i];
846 o->zone_split[ddir][i].size_perc = split.val2[i];
e0a04ac1
JA		 847 }
848
e0a04ac1
JA		 849 /*
850 * Now check if the percentages add up, and how much is missing
851 */
852 perc = perc_missing = 0;
853 sperc = sperc_missing = 0;
854 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 855 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 856
857 if (zsp->access_perc == (uint8_t) -1U)
858 perc_missing++;
859 else
860 perc += zsp->access_perc;
861
862 if (zsp->size_perc == (uint8_t) -1U)
863 sperc_missing++;
864 else
865 sperc += zsp->size_perc;
866
867 }
868
869 if (perc > 100 || sperc > 100) {
870 log_err("fio: zone_split percentages add to more than 100%%\n");
d2835319
JA		 871 free(o->zone_split[ddir]);
872 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 873 return 1;
874 }
875 if (perc < 100) {
876 log_err("fio: access percentage don't add up to 100 for zoned "
877 "random distribution (got=%u)\n", perc);
d2835319
JA		 878 free(o->zone_split[ddir]);
879 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 880 return 1;
881 }
882
883 /*
884 * If values didn't have a percentage set, divide the remains between
885 * them.
886 */
887 if (perc_missing) {
888 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
889 perc = 100;
890 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 891 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 892
893 if (zsp->access_perc == (uint8_t) -1U)
894 zsp->access_perc = (100 - perc) / perc_missing;
895 }
896 }
897 if (sperc_missing) {
898 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
899 sperc = 100;
900 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 901 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 902
903 if (zsp->size_perc == (uint8_t) -1U)
904 zsp->size_perc = (100 - sperc) / sperc_missing;
905 }
906 }
907
908 /*
909 * now sort based on percentages, for ease of lookup
910 */
d2835319 911 qsort(o->zone_split[ddir], o->zone_split_nr[ddir], sizeof(struct zone_split), zone_cmp);
e0a04ac1
JA		 912 return 0;
913}
914
915static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
916{
917 unsigned int i, j, sprev, aprev;
918
919 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
920
921 sprev = aprev = 0;
922 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
923 struct zone_split *zsp = &td->o.zone_split[ddir][i];
924
925 for (j = aprev; j < aprev + zsp->access_perc; j++) {
926 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
927
928 zsi->size_perc = sprev + zsp->size_perc;
929 zsi->size_perc_prev = sprev;
930 }
931
932 aprev += zsp->access_perc;
933 sprev += zsp->size_perc;
934 }
935}
936
937/*
938 * Generate state table for indexes, so we don't have to do it inline from
939 * the hot IO path
940 */
941static void td_zone_gen_index(struct thread_data *td)
942{
943 int i;
944
945 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
946 sizeof(struct zone_split_index *));
947
948 for (i = 0; i < DDIR_RWDIR_CNT; i++)
949 __td_zone_gen_index(td, i);
950}
951
e0a04ac1
JA		 952static int parse_zoned_distribution(struct thread_data *td, const char *input)
953{
764593c0 954 char *str, *p;
e0a04ac1
JA		 955 int i, ret = 0;
956
957 p = str = strdup(input);
958
959 strip_blank_front(&str);
960 strip_blank_end(str);
961
962 /* We expect it to start like that, bail if not */
963 if (strncmp(str, "zoned:", 6)) {
964 log_err("fio: mismatch in zoned input <%s>\n", str);
965 free(p);
966 return 1;
967 }
968 str += strlen("zoned:");
969
764593c0 970 ret = str_split_parse(td, str, zone_split_ddir);
e0a04ac1
JA		 971
972 free(p);
973
974 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
975 int j;
976
977 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
978
979 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
980 struct zone_split *zsp = &td->o.zone_split[i][j];
981
982 dprint(FD_PARSE, "\t%d: %u/%u\n", j, zsp->access_perc,
983 zsp->size_perc);
984 }
985 }
986
55baca06
JA		 987 if (parse_dryrun()) {
988 int i;
989
990 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
991 free(td->o.zone_split[i]);
992 td->o.zone_split[i] = NULL;
993 td->o.zone_split_nr[i] = 0;
994 }
995
996 return ret;
997 }
998
e0a04ac1
JA		 999 if (!ret)
1000 td_zone_gen_index(td);
dc4bffb8
JA		 1001 else {
1002 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1003 td->o.zone_split_nr[i] = 0;
1004 }
e0a04ac1
JA		 1005
1006 return ret;
1007}
1008
e25839d4
JA		 1009static int str_random_distribution_cb(void *data, const char *str)
1010{
a609f12a 1011 struct thread_data *td = cb_data_to_td(data);
e25839d4
JA		 1012 double val;
1013 char *nr;
1014
925fee33 1015 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1016 val = FIO_DEF_ZIPF;
925fee33 1017 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1018 val = FIO_DEF_PARETO;
56d9fa4b
JA		 1019 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1020 val = 0.0;
e0a04ac1
JA		 1021 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
1022 return parse_zoned_distribution(td, str);
925fee33 1023 else
e25839d4
JA		 1024 return 0;
1025
1026 nr = get_opt_postfix(str);
88038bc7 1027 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA		 1028 log_err("fio: random postfix parsing failed\n");
1029 free(nr);
1030 return 1;
1031 }
1032
078189c1
JA		 1033 free(nr);
1034
18ded917
JA		 1035 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1036 if (val == 1.00) {
1037 log_err("fio: zipf theta must different than 1.0\n");
1038 return 1;
1039 }
55baca06
JA		 1040 if (parse_dryrun())
1041 return 0;
1e5324e7 1042 td->o.zipf_theta.u.f = val;
56d9fa4b 1043 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 1044 if (val <= 0.00 || val >= 1.00) {
1045 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1046 return 1;
1047 }
55baca06
JA		 1048 if (parse_dryrun())
1049 return 0;
1e5324e7 1050 td->o.pareto_h.u.f = val;
3cdb8cf3 1051 } else {
76527b19 1052 if (val < 0.00 || val >= 100.0) {
99c94a6b 1053 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA		 1054 return 1;
1055 }
55baca06
JA		 1056 if (parse_dryrun())
1057 return 0;
f88cd222 1058 td->o.gauss_dev.u.f = val;
3cdb8cf3 1059 }
921c766f
JA		 1060
1061 return 0;
1062}
1063
16e56d25
VF		 1064static int str_steadystate_cb(void *data, const char *str)
1065{
94f218f6 1066 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF		 1067 double val;
1068 char *nr;
1069 char *pct;
1070 long long ll;
1071
2c5d94bc
VF		 1072 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1073 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF		 1074 /* should be impossible to get here */
1075 log_err("fio: unknown steady state criterion\n");
1076 return 1;
1077 }
1078
1079 nr = get_opt_postfix(str);
1080 if (!nr) {
1081 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1082 free(nr);
1083 return 1;
1084 }
1085
1086 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1087 pct = strstr(nr, "%");
1088 if (pct) {
1089 *pct = '\0';
1090 strip_blank_end(nr);
1091 if (!str_to_float(nr, &val, 0)) {
1092 log_err("fio: could not parse steadystate threshold percentage\n");
1093 free(nr);
1094 return 1;
1095 }
1096
1097 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1098 free(nr);
1099 if (parse_dryrun())
1100 return 0;
1101
2c5d94bc 1102 td->o.ss_state |= __FIO_SS_PCT;
16e56d25 1103 td->o.ss_limit.u.f = val;
2c5d94bc 1104 } else if (td->o.ss_state & __FIO_SS_IOPS) {
16e56d25
VF		 1105 if (!str_to_float(nr, &val, 0)) {
1106 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1107 free(nr);
1108 return 1;
1109 }
1110
1111 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1112 free(nr);
1113 if (parse_dryrun())
1114 return 0;
1115
16e56d25 1116 td->o.ss_limit.u.f = val;
16e56d25
VF		 1117 } else { /* bandwidth criterion */
1118 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1119 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1120 free(nr);
1121 return 1;
1122 }
1123
1124 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1125 free(nr);
1126 if (parse_dryrun())
1127 return 0;
1128
16e56d25 1129 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF		 1130 }
1131
2c5d94bc 1132 td->ss.state = td->o.ss_state;
16e56d25
VF		 1133 return 0;
1134}
1135
8e827d35 1136/*
bcbfeefa 1137 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 1138 * is escaped with a '\', then that ':' is part of the filename and does not
1139 * indicate a new file.
1140 */
bcbfeefa 1141static char *get_next_name(char **ptr)
8e827d35
JA		 1142{
1143 char *str = *ptr;
1144 char *p, *start;
1145
1146 if (!str || !strlen(str))
1147 return NULL;
1148
1149 start = str;
1150 do {
1151 /*
1152 * No colon, we are done
1153 */
1154 p = strchr(str, ':');
1155 if (!p) {
1156 *ptr = NULL;
1157 break;
1158 }
1159
1160 /*
1161 * We got a colon, but it's the first character. Skip and
1162 * continue
1163 */
1164 if (p == start) {
1165 str = ++start;
1166 continue;
1167 }
1168
1169 if (*(p - 1) != '\\') {
1170 *p = '\0';
1171 *ptr = p + 1;
1172 break;
1173 }
1174
1175 memmove(p - 1, p, strlen(p) + 1);
1176 str = p;
1177 } while (1);
1178
1179 return start;
1180}
1181
bcbfeefa
CE		 1182
1183static int get_max_name_idx(char *input)
1184{
1185 unsigned int cur_idx;
1186 char *str, *p;
1187
1188 p = str = strdup(input);
1189 for (cur_idx = 0; ; cur_idx++)
1190 if (get_next_name(&str) == NULL)
1191 break;
1192
1193 free(p);
1194 return cur_idx;
1195}
1196
1197/*
1198 * Returns the directory at the index, indexes > entires will be
1199 * assigned via modulo division of the index
1200 */
922a5be8
JA		 1201int set_name_idx(char *target, size_t tlen, char *input, int index,
1202 bool unique_filename)
bcbfeefa
CE		 1203{
1204 unsigned int cur_idx;
1205 int len;
1206 char *fname, *str, *p;
1207
1208 p = str = strdup(input);
1209
1210 index %= get_max_name_idx(input);
1211 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1212 fname = get_next_name(&str);
1213
922a5be8 1214 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA		 1215 len = snprintf(target, tlen, "%s/%s.", fname,
1216 client_sockaddr_str);
1217 } else
1218 len = snprintf(target, tlen, "%s/", fname);
72a703da 1219
e13c3b50 1220 target[tlen - 1] = '\0';
bcbfeefa
CE		 1221 free(p);
1222
1223 return len;
1224}
1225
214e1eca
JA		 1226static int str_filename_cb(void *data, const char *input)
1227{
a609f12a 1228 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA		 1229 char *fname, *str, *p;
1230
1231 p = str = strdup(input);
1232
1233 strip_blank_front(&str);
1234 strip_blank_end(str);
1235
79591fa9
TK		 1236 /*
1237 * Ignore what we may already have from nrfiles option.
1238 */
214e1eca 1239 if (!td->files_index)
2dc1bbeb 1240 td->o.nr_files = 0;
214e1eca 1241
bcbfeefa 1242 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 1243 if (!strlen(fname))
1244 break;
5903e7b7 1245 add_file(td, fname, 0, 1);
214e1eca
JA		 1246 }
1247
1248 free(p);
1249 return 0;
1250}
1251
bcbfeefa 1252static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1253{
a609f12a 1254 struct thread_data *td = cb_data_to_td(data);
214e1eca 1255 struct stat sb;
bcbfeefa
CE		 1256 char *dirname, *str, *p;
1257 int ret = 0;
214e1eca 1258
f9633d72
JA		 1259 if (parse_dryrun())
1260 return 0;
1261
bcbfeefa
CE		 1262 p = str = strdup(td->o.directory);
1263 while ((dirname = get_next_name(&str)) != NULL) {
1264 if (lstat(dirname, &sb) < 0) {
1265 ret = errno;
921c766f 1266
bcbfeefa
CE		 1267 log_err("fio: %s is not a directory\n", dirname);
1268 td_verror(td, ret, "lstat");
1269 goto out;
1270 }
1271 if (!S_ISDIR(sb.st_mode)) {
1272 log_err("fio: %s is not a directory\n", dirname);
1273 ret = 1;
1274 goto out;
1275 }
214e1eca
JA		 1276 }
1277
bcbfeefa
CE		 1278out:
1279 free(p);
1280 return ret;
214e1eca
JA		 1281}
1282
1283static int str_opendir_cb(void *data, const char fio_unused *str)
1284{
a609f12a 1285 struct thread_data *td = cb_data_to_td(data);
214e1eca 1286
52c0cea3
JA		 1287 if (parse_dryrun())
1288 return 0;
1289
214e1eca 1290 if (!td->files_index)
2dc1bbeb 1291 td->o.nr_files = 0;
214e1eca 1292
2dc1bbeb 1293 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1294}
1295
ce35b1ec
JA		 1296static int str_buffer_pattern_cb(void *data, const char *input)
1297{
a609f12a 1298 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1299 int ret;
1300
61b9861d
RP		 1301 /* FIXME: for now buffer pattern does not support formats */
1302 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1303 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1304 if (ret < 0)
1305 return 1;
ce35b1ec 1306
61b9861d
RP		 1307 assert(ret != 0);
1308 td->o.buffer_pattern_bytes = ret;
1309 if (!td->o.compress_percentage)
1310 td->o.refill_buffers = 0;
1311 td->o.scramble_buffers = 0;
1312 td->o.zero_buffers = 0;
efcd9dcc 1313
61b9861d 1314 return 0;
ce35b1ec
JA		 1315}
1316
bedc9dc2
JA		 1317static int str_buffer_compress_cb(void *data, unsigned long long *il)
1318{
a609f12a 1319 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA		 1320
1321 td->flags |= TD_F_COMPRESS;
1322 td->o.compress_percentage = *il;
1323 return 0;
1324}
1325
5c94b008
JA		 1326static int str_dedupe_cb(void *data, unsigned long long *il)
1327{
a609f12a 1328 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA		 1329
1330 td->flags |= TD_F_COMPRESS;
1331 td->o.dedupe_percentage = *il;
1332 td->o.refill_buffers = 1;
1333 return 0;
1334}
1335
ce35b1ec
JA		 1336static int str_verify_pattern_cb(void *data, const char *input)
1337{
a609f12a 1338 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1339 int ret;
1340
61b9861d
RP		 1341 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1342 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA		 1343 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1344 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1345 if (ret < 0)
1346 return 1;
efcd9dcc 1347
61b9861d
RP		 1348 assert(ret != 0);
1349 td->o.verify_pattern_bytes = ret;
92bf48d5 1350 /*
b638d82f 1351 * VERIFY_* could already be set
92bf48d5 1352 */
61b9861d 1353 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1354 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1355
61b9861d 1356 return 0;
90059d65 1357}
214e1eca 1358
993bf48b
JA		 1359static int str_gtod_reduce_cb(void *data, int *il)
1360{
a609f12a 1361 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA		 1362 int val = *il;
1363
02af0988 1364 td->o.disable_lat = !!val;
993bf48b
JA		 1365 td->o.disable_clat = !!val;
1366 td->o.disable_slat = !!val;
1367 td->o.disable_bw = !!val;
0dc1bc03 1368 td->o.clat_percentiles = !val;
993bf48b
JA		 1369 if (val)
1370 td->tv_cache_mask = 63;
1371
1372 return 0;
1373}
1374
7bb59102
JA		 1375static int str_size_cb(void *data, unsigned long long *__val)
1376{
a609f12a 1377 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA		 1378 unsigned long long v = *__val;
1379
1380 if (parse_is_percent(v)) {
1381 td->o.size = 0;
1382 td->o.size_percent = -1ULL - v;
1383 } else
1384 td->o.size = v;
1385
1386 return 0;
1387}
1388
dded427c
OS		 1389static int str_write_bw_log_cb(void *data, const char *str)
1390{
1391 struct thread_data *td = cb_data_to_td(data);
1392
1393 if (str)
1394 td->o.bw_log_file = strdup(str);
1395
1396 td->o.write_bw_log = 1;
1397 return 0;
1398}
1399
1400static int str_write_lat_log_cb(void *data, const char *str)
1401{
1402 struct thread_data *td = cb_data_to_td(data);
1403
1404 if (str)
1405 td->o.lat_log_file = strdup(str);
1406
1407 td->o.write_lat_log = 1;
1408 return 0;
1409}
1410
1411static int str_write_iops_log_cb(void *data, const char *str)
1412{
1413 struct thread_data *td = cb_data_to_td(data);
1414
1415 if (str)
1416 td->o.iops_log_file = strdup(str);
1417
1418 td->o.write_iops_log = 1;
1419 return 0;
1420}
1421
1422static int str_write_hist_log_cb(void *data, const char *str)
1423{
1424 struct thread_data *td = cb_data_to_td(data);
1425
1426 if (str)
1427 td->o.hist_log_file = strdup(str);
1428
1429 td->o.write_hist_log = 1;
1430 return 0;
1431}
1432
896cac2a
JA		 1433static int rw_verify(struct fio_option *o, void *data)
1434{
a609f12a 1435 struct thread_data *td = cb_data_to_td(data);
896cac2a
JA		 1436
1437 if (read_only && td_write(td)) {
1438 log_err("fio: job <%s> has write bit set, but fio is in"
1439 " read-only mode\n", td->o.name);
1440 return 1;
1441 }
1442
1443 return 0;
1444}
1445
276ca4f7 1446static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1447{
276ca4f7 1448#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1449 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1450
29d43ff9
JA		 1451 if (td->o.gtod_cpu) {
1452 log_err("fio: platform must support CPU affinity for"
1453 "gettimeofday() offloading\n");
1454 return 1;
1455 }
1456#endif
1457
1458 return 0;
1459}
1460
214e1eca
JA		 1461/*
1462 * Map of job/command line options
1463 */
9af4a244 1464struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1465 {
1466 .name = "description",
e8b0e958 1467 .lname = "Description of job",
214e1eca 1468 .type = FIO_OPT_STR_STORE,
a609f12a 1469 .off1 = offsetof(struct thread_options, description),
214e1eca 1470 .help = "Text job description",
e8b0e958 1471 .category = FIO_OPT_C_GENERAL,
0626037e 1472 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1473 },
1474 {
1475 .name = "name",
e8b0e958 1476 .lname = "Job name",
214e1eca 1477 .type = FIO_OPT_STR_STORE,
a609f12a 1478 .off1 = offsetof(struct thread_options, name),
214e1eca 1479 .help = "Name of this job",
e8b0e958 1480 .category = FIO_OPT_C_GENERAL,
0626037e 1481 .group = FIO_OPT_G_DESC,
214e1eca 1482 },
9cc8cb91
AK		 1483 {
1484 .name = "wait_for",
1485 .lname = "Waitee name",
1486 .type = FIO_OPT_STR_STORE,
a609f12a 1487 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1488 .help = "Name of the job this one wants to wait for before starting",
1489 .category = FIO_OPT_C_GENERAL,
1490 .group = FIO_OPT_G_DESC,
1491 },
214e1eca
JA		 1492 {
1493 .name = "filename",
e8b0e958 1494 .lname = "Filename(s)",
214e1eca 1495 .type = FIO_OPT_STR_STORE,
a609f12a 1496 .off1 = offsetof(struct thread_options, filename),
214e1eca 1497 .cb = str_filename_cb,
f0d524b0 1498 .prio = -1, /* must come after "directory" */
214e1eca 1499 .help = "File(s) to use for the workload",
e8b0e958 1500 .category = FIO_OPT_C_FILE,
0626037e 1501 .group = FIO_OPT_G_FILENAME,
214e1eca 1502 },
90fef2d1 1503 {
e8b0e958
JA		 1504 .name = "directory",
1505 .lname = "Directory",
1506 .type = FIO_OPT_STR_STORE,
a609f12a 1507 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1508 .cb = str_directory_cb,
1509 .help = "Directory to store files in",
1510 .category = FIO_OPT_C_FILE,
0626037e 1511 .group = FIO_OPT_G_FILENAME,
90fef2d1 1512 },
de98bd30
JA		 1513 {
1514 .name = "filename_format",
922a5be8 1515 .lname = "Filename Format",
de98bd30 1516 .type = FIO_OPT_STR_STORE,
a609f12a 1517 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1518 .prio = -1, /* must come after "directory" */
1519 .help = "Override default $jobname.$jobnum.$filenum naming",
1520 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1521 .category = FIO_OPT_C_FILE,
1522 .group = FIO_OPT_G_FILENAME,
ad705bcb 1523 },
922a5be8
JA		 1524 {
1525 .name = "unique_filename",
1526 .lname = "Unique Filename",
1527 .type = FIO_OPT_BOOL,
a609f12a 1528 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1529 .help = "For network clients, prefix file with source IP",
1530 .def = "1",
1531 .category = FIO_OPT_C_FILE,
1532 .group = FIO_OPT_G_FILENAME,
1533 },
29c1349f
JA		 1534 {
1535 .name = "lockfile",
e8b0e958 1536 .lname = "Lockfile",
4d4e80f2 1537 .type = FIO_OPT_STR,
a609f12a 1538 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1539 .help = "Lock file when doing IO to it",
bc6a0a5d 1540 .prio = 1,
29c1349f 1541 .parent = "filename",
d71c154c 1542 .hide = 0,
4d4e80f2 1543 .def = "none",
e8b0e958 1544 .category = FIO_OPT_C_FILE,
0626037e 1545 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1546 .posval = {
1547 { .ival = "none",
1548 .oval = FILE_LOCK_NONE,
1549 .help = "No file locking",
1550 },
1551 { .ival = "exclusive",
1552 .oval = FILE_LOCK_EXCLUSIVE,
1553 .help = "Exclusive file lock",
1554 },
1555 {
1556 .ival = "readwrite",
1557 .oval = FILE_LOCK_READWRITE,
1558 .help = "Read vs write lock",
1559 },
1560 },
29c1349f 1561 },
214e1eca
JA		 1562 {
1563 .name = "opendir",
e8b0e958 1564 .lname = "Open directory",
214e1eca 1565 .type = FIO_OPT_STR_STORE,
a609f12a 1566 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1567 .cb = str_opendir_cb,
1568 .help = "Recursively add files from this directory and down",
e8b0e958 1569 .category = FIO_OPT_C_FILE,
0626037e 1570 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1571 },
1572 {
1573 .name = "rw",
e8b0e958 1574 .lname = "Read/write",
d3aad8f2 1575 .alias = "readwrite",
214e1eca 1576 .type = FIO_OPT_STR,
211097b2 1577 .cb = str_rw_cb,
a609f12a 1578 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1579 .help = "IO direction",
1580 .def = "read",
896cac2a 1581 .verify = rw_verify,
e8b0e958 1582 .category = FIO_OPT_C_IO,
0626037e 1583 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1584 .posval = {
1585 { .ival = "read",
1586 .oval = TD_DDIR_READ,
1587 .help = "Sequential read",
1588 },
1589 { .ival = "write",
1590 .oval = TD_DDIR_WRITE,
1591 .help = "Sequential write",
1592 },
6eaf09d6
SL		 1593 { .ival = "trim",
1594 .oval = TD_DDIR_TRIM,
1595 .help = "Sequential trim",
1596 },
214e1eca
JA		 1597 { .ival = "randread",
1598 .oval = TD_DDIR_RANDREAD,
1599 .help = "Random read",
1600 },
1601 { .ival = "randwrite",
1602 .oval = TD_DDIR_RANDWRITE,
1603 .help = "Random write",
1604 },
6eaf09d6
SL		 1605 { .ival = "randtrim",
1606 .oval = TD_DDIR_RANDTRIM,
1607 .help = "Random trim",
1608 },
214e1eca
JA		 1609 { .ival = "rw",
1610 .oval = TD_DDIR_RW,
1611 .help = "Sequential read and write mix",
1612 },
10b023db
JA		 1613 { .ival = "readwrite",
1614 .oval = TD_DDIR_RW,
1615 .help = "Sequential read and write mix",
1616 },
214e1eca
JA		 1617 { .ival = "randrw",
1618 .oval = TD_DDIR_RANDRW,
1619 .help = "Random read and write mix"
1620 },
82a90686
JA		 1621 { .ival = "trimwrite",
1622 .oval = TD_DDIR_TRIMWRITE,
1623 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1624 },
214e1eca
JA		 1625 },
1626 },
38dad62d
JA		 1627 {
1628 .name = "rw_sequencer",
e8b0e958 1629 .lname = "RW Sequencer",
38dad62d 1630 .type = FIO_OPT_STR,
a609f12a 1631 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1632 .help = "IO offset generator modifier",
1633 .def = "sequential",
e8b0e958 1634 .category = FIO_OPT_C_IO,
0626037e 1635 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1636 .posval = {
1637 { .ival = "sequential",
1638 .oval = RW_SEQ_SEQ,
1639 .help = "Generate sequential offsets",
1640 },
1641 { .ival = "identical",
1642 .oval = RW_SEQ_IDENT,
1643 .help = "Generate identical offsets",
1644 },
1645 },
1646 },
1647
214e1eca
JA		 1648 {
1649 .name = "ioengine",
e8b0e958 1650 .lname = "IO Engine",
214e1eca 1651 .type = FIO_OPT_STR_STORE,
a609f12a 1652 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1653 .help = "IO engine to use",
58483fa4 1654 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1655 .category = FIO_OPT_C_IO,
0626037e 1656 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1657 .posval = {
1658 { .ival = "sync",
1659 .help = "Use read/write",
1660 },
a31041ea 1661 { .ival = "psync",
1662 .help = "Use pread/pwrite",
1663 },
1d2af02a 1664 { .ival = "vsync",
03e20d68 1665 .help = "Use readv/writev",
1d2af02a 1666 },
07fc0acd
JA		 1667#ifdef CONFIG_PWRITEV
1668 { .ival = "pvsync",
1669 .help = "Use preadv/pwritev",
1670 },
1671#endif
6562685f 1672#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1673 { .ival = "pvsync2",
1674 .help = "Use preadv2/pwritev2",
1675 },
1676#endif
67bf9823 1677#ifdef CONFIG_LIBAIO
214e1eca
JA		 1678 { .ival = "libaio",
1679 .help = "Linux native asynchronous IO",
1680 },
1681#endif
67bf9823 1682#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1683 { .ival = "posixaio",
1684 .help = "POSIX asynchronous IO",
1685 },
417f0068 1686#endif
997843cb 1687#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1688 { .ival = "solarisaio",
1689 .help = "Solaris native asynchronous IO",
1690 },
214e1eca 1691#endif
4700b234 1692#ifdef CONFIG_WINDOWSAIO
03e20d68 1693 { .ival = "windowsaio",
3be80071 1694 .help = "Windows native asynchronous IO"
de890a1e 1695 },
fc5c0345
DG		 1696#endif
1697#ifdef CONFIG_RBD
1698 { .ival = "rbd",
1699 .help = "Rados Block Device asynchronous IO"
1700 },
3be80071 1701#endif
214e1eca 1702 { .ival = "mmap",
03e20d68 1703 .help = "Memory mapped IO"
214e1eca 1704 },
67bf9823 1705#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1706 { .ival = "splice",
1707 .help = "splice/vmsplice based IO",
1708 },
9cce02e8
JA		 1709 { .ival = "netsplice",
1710 .help = "splice/vmsplice to/from the network",
1711 },
214e1eca
JA		 1712#endif
1713#ifdef FIO_HAVE_SGIO
1714 { .ival = "sg",
1715 .help = "SCSI generic v3 IO",
1716 },
1717#endif
1718 { .ival = "null",
1719 .help = "Testing engine (no data transfer)",
1720 },
1721 { .ival = "net",
1722 .help = "Network IO",
1723 },
214e1eca 1724 { .ival = "cpuio",
03e20d68 1725 .help = "CPU cycle burner engine",
214e1eca 1726 },
67bf9823 1727#ifdef CONFIG_GUASI
b8c82a46
JA		 1728 { .ival = "guasi",
1729 .help = "GUASI IO engine",
1730 },
79a43187
JA		 1731#endif
1732#ifdef FIO_HAVE_BINJECT
1733 { .ival = "binject",
1734 .help = "binject direct inject block engine",
1735 },
21b8aee8 1736#endif
67bf9823 1737#ifdef CONFIG_RDMA
21b8aee8 1738 { .ival = "rdma",
1739 .help = "RDMA IO engine",
1740 },
8200b8c7 1741#endif
67bf9823 1742#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1743 { .ival = "fusion-aw-sync",
1744 .help = "Fusion-io atomic write engine",
1745 },
1ecc95ca 1746#endif
997843cb 1747#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1748 { .ival = "e4defrag",
1749 .help = "ext4 defrag engine",
1750 },
1751#endif
997843cb 1752#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1753 { .ival = "falloc",
1754 .help = "fallocate() file based engine",
1755 },
b8c82a46 1756#endif
a7c386f4 1757#ifdef CONFIG_GFAPI
1758 { .ival = "gfapi",
cc47f094 1759 .help = "Glusterfs libgfapi(sync) based engine"
1760 },
1761 { .ival = "gfapi_async",
1762 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1763 },
1764#endif
1b10477b 1765#ifdef CONFIG_LIBHDFS
b74e419e 1766 { .ival = "libhdfs",
1b10477b
MM		 1767 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1768 },
5c4ef02e
JA		 1769#endif
1770#ifdef CONFIG_PMEMBLK
1771 { .ival = "pmemblk",
1772 .help = "NVML libpmemblk based IO engine",
1773 },
1774
104ee4de
DJ		 1775#endif
1776#ifdef CONFIG_LINUX_DEVDAX
1777 { .ival = "dev-dax",
1778 .help = "DAX Device based IO engine",
1779 },
1b10477b 1780#endif
214e1eca
JA		 1781 { .ival = "external",
1782 .help = "Load external engine (append name)",
1783 },
1784 },
1785 },
1786 {
1787 .name = "iodepth",
e8b0e958 1788 .lname = "IO Depth",
214e1eca 1789 .type = FIO_OPT_INT,
a609f12a 1790 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1791 .help = "Number of IO buffers to keep in flight",
757aff4f 1792 .minval = 1,
20eb06bd 1793 .interval = 1,
214e1eca 1794 .def = "1",
e8b0e958 1795 .category = FIO_OPT_C_IO,
0626037e 1796 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1797 },
1798 {
1799 .name = "iodepth_batch",
e8b0e958 1800 .lname = "IO Depth batch",
4950421a 1801 .alias = "iodepth_batch_submit",
214e1eca 1802 .type = FIO_OPT_INT,
a609f12a 1803 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1804 .help = "Number of IO buffers to submit in one go",
afdf9352 1805 .parent = "iodepth",
d71c154c 1806 .hide = 1,
20eb06bd 1807 .interval = 1,
a2e6f8ac 1808 .def = "1",
e8b0e958 1809 .category = FIO_OPT_C_IO,
0626037e 1810 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1811 },
1812 {
82407585
RP		 1813 .name = "iodepth_batch_complete_min",
1814 .lname = "Min IO depth batch complete",
1815 .alias = "iodepth_batch_complete",
4950421a 1816 .type = FIO_OPT_INT,
a609f12a 1817 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1818 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1819 .parent = "iodepth",
d71c154c 1820 .hide = 1,
4950421a 1821 .minval = 0,
20eb06bd 1822 .interval = 1,
4950421a 1823 .def = "1",
e8b0e958 1824 .category = FIO_OPT_C_IO,
0626037e 1825 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1826 },
82407585
RP		 1827 {
1828 .name = "iodepth_batch_complete_max",
1829 .lname = "Max IO depth batch complete",
1830 .type = FIO_OPT_INT,
a609f12a 1831 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1832 .help = "Max number of IO buffers to retrieve in one go",
1833 .parent = "iodepth",
1834 .hide = 1,
1835 .minval = 0,
1836 .interval = 1,
1837 .category = FIO_OPT_C_IO,
1838 .group = FIO_OPT_G_IO_BASIC,
1839 },
214e1eca
JA		 1840 {
1841 .name = "iodepth_low",
e8b0e958 1842 .lname = "IO Depth batch low",
214e1eca 1843 .type = FIO_OPT_INT,
a609f12a 1844 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1845 .help = "Low water mark for queuing depth",
afdf9352 1846 .parent = "iodepth",
d71c154c 1847 .hide = 1,
20eb06bd 1848 .interval = 1,
e8b0e958 1849 .category = FIO_OPT_C_IO,
0626037e 1850 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1851 },
a9da8ab2
JA		 1852 {
1853 .name = "io_submit_mode",
1854 .lname = "IO submit mode",
1855 .type = FIO_OPT_STR,
a609f12a 1856 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1857 .help = "How IO submissions and completions are done",
1858 .def = "inline",
1859 .category = FIO_OPT_C_IO,
1860 .group = FIO_OPT_G_IO_BASIC,
1861 .posval = {
1862 { .ival = "inline",
1863 .oval = IO_MODE_INLINE,
1864 .help = "Submit and complete IO inline",
1865 },
1866 { .ival = "offload",
1867 .oval = IO_MODE_OFFLOAD,
1868 .help = "Offload submit and complete to threads",
1869 },
1870 },
1871 },
214e1eca
JA		 1872 {
1873 .name = "size",
e8b0e958 1874 .lname = "Size",
214e1eca 1875 .type = FIO_OPT_STR_VAL,
7bb59102 1876 .cb = str_size_cb,
a609f12a 1877 .off1 = offsetof(struct thread_options, size),
214e1eca 1878 .help = "Total size of device or files",
20eb06bd 1879 .interval = 1024 * 1024,
e8b0e958
JA		 1880 .category = FIO_OPT_C_IO,
1881 .group = FIO_OPT_G_INVALID,
214e1eca 1882 },
77731b29 1883 {
a4d3b4db
JA		 1884 .name = "io_size",
1885 .alias = "io_limit",
1886 .lname = "IO Size",
77731b29 1887 .type = FIO_OPT_STR_VAL,
5be9bf09 1888 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 1889 .help = "Total size of I/O to be performed",
77731b29
JA		 1890 .interval = 1024 * 1024,
1891 .category = FIO_OPT_C_IO,
1892 .group = FIO_OPT_G_INVALID,
1893 },
aa31f1f1
SL		 1894 {
1895 .name = "fill_device",
e8b0e958 1896 .lname = "Fill device",
74586c1e 1897 .alias = "fill_fs",
aa31f1f1 1898 .type = FIO_OPT_BOOL,
a609f12a 1899 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 1900 .help = "Write until an ENOSPC error occurs",
1901 .def = "0",
e8b0e958
JA		 1902 .category = FIO_OPT_C_FILE,
1903 .group = FIO_OPT_G_INVALID,
aa31f1f1 1904 },
214e1eca
JA		 1905 {
1906 .name = "filesize",
e8b0e958 1907 .lname = "File size",
214e1eca 1908 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 1909 .off1 = offsetof(struct thread_options, file_size_low),
1910 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 1911 .minval = 1,
214e1eca 1912 .help = "Size of individual files",
20eb06bd 1913 .interval = 1024 * 1024,
e8b0e958
JA		 1914 .category = FIO_OPT_C_FILE,
1915 .group = FIO_OPT_G_INVALID,
214e1eca 1916 },
bedc9dc2
JA		 1917 {
1918 .name = "file_append",
1919 .lname = "File append",
1920 .type = FIO_OPT_BOOL,
a609f12a 1921 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 1922 .help = "IO will start at the end of the file(s)",
1923 .def = "0",
1924 .category = FIO_OPT_C_FILE,
1925 .group = FIO_OPT_G_INVALID,
1926 },
67a1000f
JA		 1927 {
1928 .name = "offset",
e8b0e958 1929 .lname = "IO offset",
67a1000f
JA		 1930 .alias = "fileoffset",
1931 .type = FIO_OPT_STR_VAL,
a609f12a 1932 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 1933 .help = "Start IO from this offset",
1934 .def = "0",
20eb06bd 1935 .interval = 1024 * 1024,
e8b0e958
JA		 1936 .category = FIO_OPT_C_IO,
1937 .group = FIO_OPT_G_INVALID,
67a1000f 1938 },
2d7cd868
JA		 1939 {
1940 .name = "offset_increment",
e8b0e958 1941 .lname = "IO offset increment",
2d7cd868 1942 .type = FIO_OPT_STR_VAL,
a609f12a 1943 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 1944 .help = "What is the increment from one offset to the next",
1945 .parent = "offset",
d71c154c 1946 .hide = 1,
2d7cd868 1947 .def = "0",
20eb06bd 1948 .interval = 1024 * 1024,
e8b0e958
JA		 1949 .category = FIO_OPT_C_IO,
1950 .group = FIO_OPT_G_INVALID,
2d7cd868 1951 },
ddf24e42
JA		 1952 {
1953 .name = "number_ios",
1954 .lname = "Number of IOs to perform",
1955 .type = FIO_OPT_STR_VAL,
a609f12a 1956 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 1957 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1958 .def = "0",
1959 .category = FIO_OPT_C_IO,
1960 .group = FIO_OPT_G_INVALID,
1961 },
214e1eca
JA		 1962 {
1963 .name = "bs",
e8b0e958 1964 .lname = "Block size",
d3aad8f2 1965 .alias = "blocksize",
e01b22b8 1966 .type = FIO_OPT_INT,
a609f12a
JA		 1967 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
1968 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
1969 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 1970 .minval = 1,
214e1eca 1971 .help = "Block size unit",
2b9136a3 1972 .def = "4096",
67a1000f 1973 .parent = "rw",
d71c154c 1974 .hide = 1,
20eb06bd 1975 .interval = 512,
e8b0e958
JA		 1976 .category = FIO_OPT_C_IO,
1977 .group = FIO_OPT_G_INVALID,
214e1eca 1978 },
2b7a01d0
JA		 1979 {
1980 .name = "ba",
e8b0e958 1981 .lname = "Block size align",
2b7a01d0 1982 .alias = "blockalign",
e01b22b8 1983 .type = FIO_OPT_INT,
a609f12a
JA		 1984 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
1985 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
1986 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 1987 .minval = 1,
1988 .help = "IO block offset alignment",
1989 .parent = "rw",
d71c154c 1990 .hide = 1,
20eb06bd 1991 .interval = 512,
e8b0e958
JA		 1992 .category = FIO_OPT_C_IO,
1993 .group = FIO_OPT_G_INVALID,
2b7a01d0 1994 },
214e1eca
JA		 1995 {
1996 .name = "bsrange",
e8b0e958 1997 .lname = "Block size range",
d3aad8f2 1998 .alias = "blocksize_range",
214e1eca 1999 .type = FIO_OPT_RANGE,
a609f12a
JA		 2000 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2001 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2002 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2003 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2004 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2005 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2006 .minval = 1,
214e1eca 2007 .help = "Set block size range (in more detail than bs)",
67a1000f 2008 .parent = "rw",
d71c154c 2009 .hide = 1,
20eb06bd 2010 .interval = 4096,
e8b0e958
JA		 2011 .category = FIO_OPT_C_IO,
2012 .group = FIO_OPT_G_INVALID,
214e1eca 2013 },
564ca972
JA		 2014 {
2015 .name = "bssplit",
e8b0e958 2016 .lname = "Block size split",
564ca972
JA		 2017 .type = FIO_OPT_STR,
2018 .cb = str_bssplit_cb,
a609f12a 2019 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2020 .help = "Set a specific mix of block sizes",
2021 .parent = "rw",
d71c154c 2022 .hide = 1,
e8b0e958
JA		 2023 .category = FIO_OPT_C_IO,
2024 .group = FIO_OPT_G_INVALID,
564ca972 2025 },
214e1eca
JA		 2026 {
2027 .name = "bs_unaligned",
e8b0e958 2028 .lname = "Block size unaligned",
d3aad8f2 2029 .alias = "blocksize_unaligned",
214e1eca 2030 .type = FIO_OPT_STR_SET,
a609f12a 2031 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2032 .help = "Don't sector align IO buffer sizes",
67a1000f 2033 .parent = "rw",
d71c154c 2034 .hide = 1,
e8b0e958
JA		 2035 .category = FIO_OPT_C_IO,
2036 .group = FIO_OPT_G_INVALID,
214e1eca 2037 },
6aca9b3d
JA		 2038 {
2039 .name = "bs_is_seq_rand",
2040 .lname = "Block size division is seq/random (not read/write)",
2041 .type = FIO_OPT_BOOL,
a609f12a 2042 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2043 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2044 .def = "0",
2045 .parent = "blocksize",
2046 .category = FIO_OPT_C_IO,
2047 .group = FIO_OPT_G_INVALID,
2048 },
214e1eca
JA		 2049 {
2050 .name = "randrepeat",
e8b0e958 2051 .lname = "Random repeatable",
214e1eca 2052 .type = FIO_OPT_BOOL,
a609f12a 2053 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2054 .help = "Use repeatable random IO pattern",
2055 .def = "1",
67a1000f 2056 .parent = "rw",
d71c154c 2057 .hide = 1,
e8b0e958 2058 .category = FIO_OPT_C_IO,
3ceb458f 2059 .group = FIO_OPT_G_RANDOM,
214e1eca 2060 },
04778baf
JA		 2061 {
2062 .name = "randseed",
2063 .lname = "The random generator seed",
363cffa7 2064 .type = FIO_OPT_STR_VAL,
a609f12a 2065 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2066 .help = "Set the random generator seed value",
40fe5e7b 2067 .def = "0x89",
04778baf
JA		 2068 .parent = "rw",
2069 .category = FIO_OPT_C_IO,
2070 .group = FIO_OPT_G_RANDOM,
2071 },
2615cc4b
JA		 2072 {
2073 .name = "use_os_rand",
e8b0e958 2074 .lname = "Use OS random",
54a21917 2075 .type = FIO_OPT_DEPRECATED,
a609f12a 2076 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2077 .category = FIO_OPT_C_IO,
3ceb458f 2078 .group = FIO_OPT_G_RANDOM,
2615cc4b 2079 },
214e1eca
JA		 2080 {
2081 .name = "norandommap",
e8b0e958 2082 .lname = "No randommap",
214e1eca 2083 .type = FIO_OPT_STR_SET,
a609f12a 2084 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2085 .help = "Accept potential duplicate random blocks",
67a1000f 2086 .parent = "rw",
d71c154c 2087 .hide = 1,
b2452a43 2088 .hide_on_set = 1,
e8b0e958 2089 .category = FIO_OPT_C_IO,
3ceb458f 2090 .group = FIO_OPT_G_RANDOM,
214e1eca 2091 },
2b386d25
JA		 2092 {
2093 .name = "softrandommap",
e8b0e958 2094 .lname = "Soft randommap",
2b386d25 2095 .type = FIO_OPT_BOOL,
a609f12a 2096 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2097 .help = "Set norandommap if randommap allocation fails",
2b386d25 2098 .parent = "norandommap",
d71c154c 2099 .hide = 1,
2b386d25 2100 .def = "0",
e8b0e958 2101 .category = FIO_OPT_C_IO,
3ceb458f 2102 .group = FIO_OPT_G_RANDOM,
2b386d25 2103 },
8055e41d
JA		 2104 {
2105 .name = "random_generator",
cce2fdfe 2106 .lname = "Random Generator",
8055e41d 2107 .type = FIO_OPT_STR,
a609f12a 2108 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2109 .help = "Type of random number generator to use",
2110 .def = "tausworthe",
2111 .posval = {
2112 { .ival = "tausworthe",
2113 .oval = FIO_RAND_GEN_TAUSWORTHE,
2114 .help = "Strong Tausworthe generator",
2115 },
2116 { .ival = "lfsr",
2117 .oval = FIO_RAND_GEN_LFSR,
2118 .help = "Variable length LFSR",
2119 },
c3546b53
JA		 2120 {
2121 .ival = "tausworthe64",
2122 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2123 .help = "64-bit Tausworthe variant",
2124 },
8055e41d 2125 },
48107598
JA		 2126 .category = FIO_OPT_C_IO,
2127 .group = FIO_OPT_G_RANDOM,
8055e41d 2128 },
e25839d4
JA		 2129 {
2130 .name = "random_distribution",
cce2fdfe 2131 .lname = "Random Distribution",
e25839d4 2132 .type = FIO_OPT_STR,
a609f12a 2133 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2134 .cb = str_random_distribution_cb,
2135 .help = "Random offset distribution generator",
2136 .def = "random",
2137 .posval = {
2138 { .ival = "random",
2139 .oval = FIO_RAND_DIST_RANDOM,
2140 .help = "Completely random",
2141 },
2142 { .ival = "zipf",
2143 .oval = FIO_RAND_DIST_ZIPF,
2144 .help = "Zipf distribution",
2145 },
925fee33
JA		 2146 { .ival = "pareto",
2147 .oval = FIO_RAND_DIST_PARETO,
2148 .help = "Pareto distribution",
2149 },
56d9fa4b
JA		 2150 { .ival = "normal",
2151 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2152 .help = "Normal (Gaussian) distribution",
56d9fa4b 2153 },
e0a04ac1
JA		 2154 { .ival = "zoned",
2155 .oval = FIO_RAND_DIST_ZONED,
2156 .help = "Zoned random distribution",
2157 },
2158
e25839d4 2159 },
48107598
JA		 2160 .category = FIO_OPT_C_IO,
2161 .group = FIO_OPT_G_RANDOM,
e25839d4 2162 },
211c9b89
JA		 2163 {
2164 .name = "percentage_random",
2165 .lname = "Percentage Random",
2166 .type = FIO_OPT_INT,
a609f12a
JA		 2167 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2168 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2169 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2170 .maxval = 100,
2171 .help = "Percentage of seq/random mix that should be random",
d9472271 2172 .def = "100,100,100",
211c9b89
JA		 2173 .interval = 5,
2174 .inverse = "percentage_sequential",
2175 .category = FIO_OPT_C_IO,
2176 .group = FIO_OPT_G_RANDOM,
2177 },
2178 {
2179 .name = "percentage_sequential",
2180 .lname = "Percentage Sequential",
d9472271 2181 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2182 .category = FIO_OPT_C_IO,
2183 .group = FIO_OPT_G_RANDOM,
2184 },
56e2a5fc
CE		 2185 {
2186 .name = "allrandrepeat",
cce2fdfe 2187 .lname = "All Random Repeat",
56e2a5fc 2188 .type = FIO_OPT_BOOL,
a609f12a 2189 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2190 .help = "Use repeatable random numbers for everything",
2191 .def = "0",
a869d9c6
JA		 2192 .category = FIO_OPT_C_IO,
2193 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2194 },
214e1eca
JA		 2195 {
2196 .name = "nrfiles",
e8b0e958 2197 .lname = "Number of files",
d7c8be03 2198 .alias = "nr_files",
214e1eca 2199 .type = FIO_OPT_INT,
a609f12a 2200 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2201 .help = "Split job workload between this number of files",
2202 .def = "1",
20eb06bd 2203 .interval = 1,
e8b0e958
JA		 2204 .category = FIO_OPT_C_FILE,
2205 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2206 },
2207 {
2208 .name = "openfiles",
e8b0e958 2209 .lname = "Number of open files",
214e1eca 2210 .type = FIO_OPT_INT,
a609f12a 2211 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2212 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2213 .category = FIO_OPT_C_FILE,
2214 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2215 },
2216 {
2217 .name = "file_service_type",
e8b0e958 2218 .lname = "File service type",
214e1eca
JA		 2219 .type = FIO_OPT_STR,
2220 .cb = str_fst_cb,
a609f12a 2221 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2222 .help = "How to select which file to service next",
2223 .def = "roundrobin",
e8b0e958
JA		 2224 .category = FIO_OPT_C_FILE,
2225 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2226 .posval = {
2227 { .ival = "random",
2228 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2229 .help = "Choose a file at random (uniform)",
2230 },
2231 { .ival = "zipf",
2232 .oval = FIO_FSERVICE_ZIPF,
2233 .help = "Zipf randomized",
2234 },
2235 { .ival = "pareto",
2236 .oval = FIO_FSERVICE_PARETO,
2237 .help = "Pareto randomized",
2238 },
2239 { .ival = "gauss",
2240 .oval = FIO_FSERVICE_GAUSS,
c60ebc45 2241 .help = "Normal (Gaussian) distribution",
214e1eca
JA		 2242 },
2243 { .ival = "roundrobin",
2244 .oval = FIO_FSERVICE_RR,
2245 .help = "Round robin select files",
2246 },
a086c257
JA		 2247 { .ival = "sequential",
2248 .oval = FIO_FSERVICE_SEQ,
2249 .help = "Finish one file before moving to the next",
2250 },
214e1eca 2251 },
67a1000f 2252 .parent = "nrfiles",
d71c154c 2253 .hide = 1,
67a1000f 2254 },
97ac992c 2255#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2256 {
2257 .name = "fallocate",
e8b0e958 2258 .lname = "Fallocate",
a596f047 2259 .type = FIO_OPT_STR,
a609f12a 2260 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047
EG		 2261 .help = "Whether pre-allocation is performed when laying out files",
2262 .def = "posix",
e8b0e958
JA		 2263 .category = FIO_OPT_C_FILE,
2264 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2265 .posval = {
2266 { .ival = "none",
2267 .oval = FIO_FALLOCATE_NONE,
2268 .help = "Do not pre-allocate space",
2269 },
2270 { .ival = "posix",
2271 .oval = FIO_FALLOCATE_POSIX,
2272 .help = "Use posix_fallocate()",
2273 },
97ac992c 2274#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2275 { .ival = "keep",
2276 .oval = FIO_FALLOCATE_KEEP_SIZE,
2277 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2278 },
7bc8c2cf 2279#endif
a596f047
EG		 2280 /* Compatibility with former boolean values */
2281 { .ival = "0",
2282 .oval = FIO_FALLOCATE_NONE,
2283 .help = "Alias for 'none'",
2284 },
2285 { .ival = "1",
2286 .oval = FIO_FALLOCATE_POSIX,
2287 .help = "Alias for 'posix'",
2288 },
2289 },
2290 },
a275c37a
JA		 2291#else /* CONFIG_POSIX_FALLOCATE */
2292 {
2293 .name = "fallocate",
2294 .lname = "Fallocate",
2295 .type = FIO_OPT_UNSUPPORTED,
2296 .help = "Your platform does not support fallocate",
2297 },
2298#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2299 {
2300 .name = "fadvise_hint",
e8b0e958 2301 .lname = "Fadvise hint",
ecb2083d 2302 .type = FIO_OPT_STR,
a609f12a 2303 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2304 .posval = {
2305 { .ival = "0",
2306 .oval = F_ADV_NONE,
2307 .help = "Don't issue fadvise",
2308 },
2309 { .ival = "1",
2310 .oval = F_ADV_TYPE,
2311 .help = "Advise using fio IO pattern",
2312 },
2313 { .ival = "random",
2314 .oval = F_ADV_RANDOM,
2315 .help = "Advise using FADV_RANDOM",
2316 },
2317 { .ival = "sequential",
2318 .oval = F_ADV_SEQUENTIAL,
2319 .help = "Advise using FADV_SEQUENTIAL",
2320 },
2321 },
67a1000f
JA		 2322 .help = "Use fadvise() to advise the kernel on IO pattern",
2323 .def = "1",
e8b0e958
JA		 2324 .category = FIO_OPT_C_FILE,
2325 .group = FIO_OPT_G_INVALID,
214e1eca 2326 },
37659335
JA		 2327#ifdef FIO_HAVE_STREAMID
2328 {
2329 .name = "fadvise_stream",
2330 .lname = "Fadvise stream",
2331 .type = FIO_OPT_INT,
a609f12a 2332 .off1 = offsetof(struct thread_options, fadvise_stream),
37659335
JA		 2333 .help = "Use fadvise() to set stream ID",
2334 .category = FIO_OPT_C_FILE,
2335 .group = FIO_OPT_G_INVALID,
2336 },
a275c37a 2337#else
54d0a315 2338 {
a275c37a
JA		 2339 .name = "fadvise_stream",
2340 .lname = "Fadvise stream",
2341 .type = FIO_OPT_UNSUPPORTED,
2342 .help = "Your platform does not support fadvise stream ID",
2343 },
37659335 2344#endif
214e1eca
JA		 2345 {
2346 .name = "fsync",
e8b0e958 2347 .lname = "Fsync",
214e1eca 2348 .type = FIO_OPT_INT,
a609f12a 2349 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2350 .help = "Issue fsync for writes every given number of blocks",
2351 .def = "0",
20eb06bd 2352 .interval = 1,
e8b0e958
JA		 2353 .category = FIO_OPT_C_FILE,
2354 .group = FIO_OPT_G_INVALID,
214e1eca 2355 },
5f9099ea
JA		 2356 {
2357 .name = "fdatasync",
e8b0e958 2358 .lname = "Fdatasync",
5f9099ea 2359 .type = FIO_OPT_INT,
a609f12a 2360 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2361 .help = "Issue fdatasync for writes every given number of blocks",
2362 .def = "0",
20eb06bd 2363 .interval = 1,
e8b0e958
JA		 2364 .category = FIO_OPT_C_FILE,
2365 .group = FIO_OPT_G_INVALID,
5f9099ea 2366 },
1ef2b6be
JA		 2367 {
2368 .name = "write_barrier",
e8b0e958 2369 .lname = "Write barrier",
1ef2b6be 2370 .type = FIO_OPT_INT,
a609f12a 2371 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2372 .help = "Make every Nth write a barrier write",
2373 .def = "0",
20eb06bd 2374 .interval = 1,
e8b0e958
JA		 2375 .category = FIO_OPT_C_IO,
2376 .group = FIO_OPT_G_INVALID,
1ef2b6be 2377 },
67bf9823 2378#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2379 {
2380 .name = "sync_file_range",
e8b0e958 2381 .lname = "Sync file range",
44f29692
JA		 2382 .posval = {
2383 { .ival = "wait_before",
2384 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2385 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2386 .orval = 1,
44f29692
JA		 2387 },
2388 { .ival = "write",
2389 .oval = SYNC_FILE_RANGE_WRITE,
2390 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2391 .orval = 1,
44f29692
JA		 2392 },
2393 {
2394 .ival = "wait_after",
2395 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2396 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2397 .orval = 1,
44f29692
JA		 2398 },
2399 },
3843deb3 2400 .type = FIO_OPT_STR_MULTI,
44f29692 2401 .cb = str_sfr_cb,
a609f12a 2402 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2403 .help = "Use sync_file_range()",
e8b0e958
JA		 2404 .category = FIO_OPT_C_FILE,
2405 .group = FIO_OPT_G_INVALID,
44f29692 2406 },
a275c37a 2407#else
54d0a315 2408 {
a275c37a
JA		 2409 .name = "sync_file_range",
2410 .lname = "Sync file range",
2411 .type = FIO_OPT_UNSUPPORTED,
2412 .help = "Your platform does not support sync_file_range",
2413 },
44f29692 2414#endif
214e1eca
JA		 2415 {
2416 .name = "direct",
e8b0e958 2417 .lname = "Direct I/O",
214e1eca 2418 .type = FIO_OPT_BOOL,
a609f12a 2419 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2420 .help = "Use O_DIRECT IO (negates buffered)",
2421 .def = "0",
a01a1bc5 2422 .inverse = "buffered",
e8b0e958 2423 .category = FIO_OPT_C_IO,
3ceb458f 2424 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2425 },
d01612f3
CM		 2426 {
2427 .name = "atomic",
2428 .lname = "Atomic I/O",
2429 .type = FIO_OPT_BOOL,
a609f12a 2430 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2431 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2432 .def = "0",
2433 .category = FIO_OPT_C_IO,
2434 .group = FIO_OPT_G_IO_TYPE,
2435 },
214e1eca
JA		 2436 {
2437 .name = "buffered",
e8b0e958 2438 .lname = "Buffered I/O",
214e1eca 2439 .type = FIO_OPT_BOOL,
a609f12a 2440 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2441 .neg = 1,
2442 .help = "Use buffered IO (negates direct)",
2443 .def = "1",
a01a1bc5 2444 .inverse = "direct",
e8b0e958 2445 .category = FIO_OPT_C_IO,
3ceb458f 2446 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2447 },
2448 {
2449 .name = "overwrite",
e8b0e958 2450 .lname = "Overwrite",
214e1eca 2451 .type = FIO_OPT_BOOL,
a609f12a 2452 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2453 .help = "When writing, set whether to overwrite current data",
2454 .def = "0",
e8b0e958
JA		 2455 .category = FIO_OPT_C_FILE,
2456 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2457 },
2458 {
2459 .name = "loops",
e8b0e958 2460 .lname = "Loops",
214e1eca 2461 .type = FIO_OPT_INT,
a609f12a 2462 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2463 .help = "Number of times to run the job",
2464 .def = "1",
20eb06bd 2465 .interval = 1,
e8b0e958 2466 .category = FIO_OPT_C_GENERAL,
a1f6afec 2467 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2468 },
2469 {
2470 .name = "numjobs",
e8b0e958 2471 .lname = "Number of jobs",
214e1eca 2472 .type = FIO_OPT_INT,
a609f12a 2473 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2474 .help = "Duplicate this job this many times",
2475 .def = "1",
20eb06bd 2476 .interval = 1,
e8b0e958 2477 .category = FIO_OPT_C_GENERAL,
a1f6afec 2478 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2479 },
2480 {
2481 .name = "startdelay",
e8b0e958 2482 .lname = "Start delay",
a5737c93 2483 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2484 .off1 = offsetof(struct thread_options, start_delay),
2485 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2486 .help = "Only start job when this period has passed",
2487 .def = "0",
0de5b26f 2488 .is_seconds = 1,
88038bc7 2489 .is_time = 1,
e8b0e958 2490 .category = FIO_OPT_C_GENERAL,
a1f6afec 2491 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2492 },
2493 {
2494 .name = "runtime",
e8b0e958 2495 .lname = "Runtime",
214e1eca
JA		 2496 .alias = "timeout",
2497 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2498 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2499 .help = "Stop workload when this amount of time has passed",
2500 .def = "0",
0de5b26f 2501 .is_seconds = 1,
88038bc7 2502 .is_time = 1,
e8b0e958 2503 .category = FIO_OPT_C_GENERAL,
a1f6afec 2504 .group = FIO_OPT_G_RUNTIME,
214e1eca 2505 },
cf4464ca
JA		 2506 {
2507 .name = "time_based",
e8b0e958 2508 .lname = "Time based",
cf4464ca 2509 .type = FIO_OPT_STR_SET,
a609f12a 2510 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2511 .help = "Keep running until runtime/timeout is met",
e8b0e958 2512 .category = FIO_OPT_C_GENERAL,
a1f6afec 2513 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2514 },
62167762
JC		 2515 {
2516 .name = "verify_only",
2517 .lname = "Verify only",
2518 .type = FIO_OPT_STR_SET,
a609f12a 2519 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2520 .help = "Verifies previously written data is still valid",
2521 .category = FIO_OPT_C_GENERAL,
2522 .group = FIO_OPT_G_RUNTIME,
2523 },
721938ae
JA		 2524 {
2525 .name = "ramp_time",
e8b0e958 2526 .lname = "Ramp time",
721938ae 2527 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2528 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2529 .help = "Ramp up time before measuring performance",
0de5b26f 2530 .is_seconds = 1,
88038bc7 2531 .is_time = 1,
e8b0e958 2532 .category = FIO_OPT_C_GENERAL,
a1f6afec 2533 .group = FIO_OPT_G_RUNTIME,
721938ae 2534 },
c223da83
JA		 2535 {
2536 .name = "clocksource",
e8b0e958 2537 .lname = "Clock source",
c223da83
JA		 2538 .type = FIO_OPT_STR,
2539 .cb = fio_clock_source_cb,
a609f12a 2540 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2541 .help = "What type of timing source to use",
e8b0e958 2542 .category = FIO_OPT_C_GENERAL,
10860056 2543 .group = FIO_OPT_G_CLOCK,
c223da83 2544 .posval = {
67bf9823 2545#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2546 { .ival = "gettimeofday",
2547 .oval = CS_GTOD,
2548 .help = "Use gettimeofday(2) for timing",
2549 },
67bf9823
JA		 2550#endif
2551#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2552 { .ival = "clock_gettime",
2553 .oval = CS_CGETTIME,
2554 .help = "Use clock_gettime(2) for timing",
2555 },
67bf9823 2556#endif
c223da83
JA		 2557#ifdef ARCH_HAVE_CPU_CLOCK
2558 { .ival = "cpu",
2559 .oval = CS_CPUCLOCK,
2560 .help = "Use CPU private clock",
2561 },
2562#endif
2563 },
2564 },
214e1eca
JA		 2565 {
2566 .name = "mem",
d3aad8f2 2567 .alias = "iomem",
e8b0e958 2568 .lname = "I/O Memory",
214e1eca
JA		 2569 .type = FIO_OPT_STR,
2570 .cb = str_mem_cb,
a609f12a 2571 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2572 .help = "Backing type for IO buffers",
2573 .def = "malloc",
e8b0e958
JA		 2574 .category = FIO_OPT_C_IO,
2575 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2576 .posval = {
2577 { .ival = "malloc",
2578 .oval = MEM_MALLOC,
2579 .help = "Use malloc(3) for IO buffers",
2580 },
c8931876 2581#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2582 { .ival = "shm",
2583 .oval = MEM_SHM,
2584 .help = "Use shared memory segments for IO buffers",
2585 },
214e1eca
JA		 2586#ifdef FIO_HAVE_HUGETLB
2587 { .ival = "shmhuge",
2588 .oval = MEM_SHMHUGE,
2589 .help = "Like shm, but use huge pages",
2590 },
c8931876 2591#endif
b370e46a 2592#endif
37c8cdfe
JA		 2593 { .ival = "mmap",
2594 .oval = MEM_MMAP,
2595 .help = "Use mmap(2) (file or anon) for IO buffers",
2596 },
217b0f1d
LG		 2597 { .ival = "mmapshared",
2598 .oval = MEM_MMAPSHARED,
2599 .help = "Like mmap, but use the shared flag",
2600 },
214e1eca
JA		 2601#ifdef FIO_HAVE_HUGETLB
2602 { .ival = "mmaphuge",
2603 .oval = MEM_MMAPHUGE,
2604 .help = "Like mmap, but use huge pages",
2605 },
2606#endif
2607 },
2608 },
d529ee19
JA		 2609 {
2610 .name = "iomem_align",
2611 .alias = "mem_align",
e8b0e958 2612 .lname = "I/O memory alignment",
d529ee19 2613 .type = FIO_OPT_INT,
a609f12a 2614 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2615 .minval = 0,
2616 .help = "IO memory buffer offset alignment",
2617 .def = "0",
2618 .parent = "iomem",
d71c154c 2619 .hide = 1,
e8b0e958
JA		 2620 .category = FIO_OPT_C_IO,
2621 .group = FIO_OPT_G_INVALID,
d529ee19 2622 },
214e1eca
JA		 2623 {
2624 .name = "verify",
e8b0e958 2625 .lname = "Verify",
214e1eca 2626 .type = FIO_OPT_STR,
a609f12a 2627 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2628 .help = "Verify data written",
2629 .def = "0",
e8b0e958 2630 .category = FIO_OPT_C_IO,
3ceb458f 2631 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2632 .posval = {
2633 { .ival = "0",
2634 .oval = VERIFY_NONE,
2635 .help = "Don't do IO verification",
2636 },
fcca4b58
JA		 2637 { .ival = "md5",
2638 .oval = VERIFY_MD5,
2639 .help = "Use md5 checksums for verification",
2640 },
d77a7af3
JA		 2641 { .ival = "crc64",
2642 .oval = VERIFY_CRC64,
2643 .help = "Use crc64 checksums for verification",
2644 },
214e1eca
JA		 2645 { .ival = "crc32",
2646 .oval = VERIFY_CRC32,
2647 .help = "Use crc32 checksums for verification",
2648 },
af497e6a 2649 { .ival = "crc32c-intel",
e3aaafc4
JA		 2650 .oval = VERIFY_CRC32C,
2651 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2652 },
bac39e0e
JA		 2653 { .ival = "crc32c",
2654 .oval = VERIFY_CRC32C,
e3aaafc4 2655 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2656 },
969f7ed3
JA		 2657 { .ival = "crc16",
2658 .oval = VERIFY_CRC16,
2659 .help = "Use crc16 checksums for verification",
2660 },
1e154bdb
JA		 2661 { .ival = "crc7",
2662 .oval = VERIFY_CRC7,
2663 .help = "Use crc7 checksums for verification",
2664 },
7c353ceb
JA		 2665 { .ival = "sha1",
2666 .oval = VERIFY_SHA1,
2667 .help = "Use sha1 checksums for verification",
2668 },
cd14cc10
JA		 2669 { .ival = "sha256",
2670 .oval = VERIFY_SHA256,
2671 .help = "Use sha256 checksums for verification",
2672 },
2673 { .ival = "sha512",
2674 .oval = VERIFY_SHA512,
2675 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2676 },
2677 { .ival = "sha3-224",
2678 .oval = VERIFY_SHA3_224,
2679 .help = "Use sha3-224 checksums for verification",
2680 },
2681 { .ival = "sha3-256",
2682 .oval = VERIFY_SHA3_256,
2683 .help = "Use sha3-256 checksums for verification",
2684 },
2685 { .ival = "sha3-384",
2686 .oval = VERIFY_SHA3_384,
2687 .help = "Use sha3-384 checksums for verification",
2688 },
2689 { .ival = "sha3-512",
2690 .oval = VERIFY_SHA3_512,
2691 .help = "Use sha3-512 checksums for verification",
cd14cc10 2692 },
844ea602
JA		 2693 { .ival = "xxhash",
2694 .oval = VERIFY_XXHASH,
2695 .help = "Use xxhash checksums for verification",
2696 },
b638d82f
RP		 2697 /* Meta information was included into verify_header,
2698 * 'meta' verification is implied by default. */
7437ee87 2699 { .ival = "meta",
b638d82f
RP		 2700 .oval = VERIFY_HDR_ONLY,
2701 .help = "Use io information for verification. "
2702 "Now is implied by default, thus option is obsolete, "
2703 "don't use it",
7437ee87 2704 },
59245381
JA		 2705 { .ival = "pattern",
2706 .oval = VERIFY_PATTERN_NO_HDR,
2707 .help = "Verify strict pattern",
2708 },
36690c9b
JA		 2709 {
2710 .ival = "null",
2711 .oval = VERIFY_NULL,
2712 .help = "Pretend to verify",
2713 },
214e1eca
JA		 2714 },
2715 },
005c565a
JA		 2716 {
2717 .name = "do_verify",
e8b0e958 2718 .lname = "Perform verify step",
68e1f29a 2719 .type = FIO_OPT_BOOL,
a609f12a 2720 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2721 .help = "Run verification stage after write",
2722 .def = "1",
2723 .parent = "verify",
d71c154c 2724 .hide = 1,
e8b0e958
JA		 2725 .category = FIO_OPT_C_IO,
2726 .group = FIO_OPT_G_VERIFY,
005c565a 2727 },
160b966d
JA		 2728 {
2729 .name = "verifysort",
e8b0e958 2730 .lname = "Verify sort",
160b966d 2731 .type = FIO_OPT_BOOL,
a609f12a 2732 .off1 = offsetof(struct thread_options, verifysort),
160b966d
JA		 2733 .help = "Sort written verify blocks for read back",
2734 .def = "1",
c83f2df1 2735 .parent = "verify",
d71c154c 2736 .hide = 1,
e8b0e958
JA		 2737 .category = FIO_OPT_C_IO,
2738 .group = FIO_OPT_G_VERIFY,
160b966d 2739 },
1ae83d45
JA		 2740 {
2741 .name = "verifysort_nr",
cce2fdfe 2742 .lname = "Verify Sort Nr",
1ae83d45 2743 .type = FIO_OPT_INT,
a609f12a 2744 .off1 = offsetof(struct thread_options, verifysort_nr),
1ae83d45
JA		 2745 .help = "Pre-load and sort verify blocks for a read workload",
2746 .minval = 0,
2747 .maxval = 131072,
2748 .def = "1024",
2749 .parent = "verify",
836fcc0f
JA		 2750 .category = FIO_OPT_C_IO,
2751 .group = FIO_OPT_G_VERIFY,
1ae83d45 2752 },
3f9f4e26 2753 {
a59e170d 2754 .name = "verify_interval",
e8b0e958 2755 .lname = "Verify interval",
e01b22b8 2756 .type = FIO_OPT_INT,
a609f12a 2757 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2758 .minval = 2 * sizeof(struct verify_header),
a59e170d 2759 .help = "Store verify buffer header every N bytes",
afdf9352 2760 .parent = "verify",
d71c154c 2761 .hide = 1,
20eb06bd 2762 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2763 .category = FIO_OPT_C_IO,
2764 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2765 },
546a9142 2766 {
a59e170d 2767 .name = "verify_offset",
e8b0e958 2768 .lname = "Verify offset",
e01b22b8 2769 .type = FIO_OPT_INT,
a59e170d 2770 .help = "Offset verify header location by N bytes",
a609f12a 2771 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2772 .minval = sizeof(struct verify_header),
afdf9352 2773 .parent = "verify",
d71c154c 2774 .hide = 1,
e8b0e958
JA		 2775 .category = FIO_OPT_C_IO,
2776 .group = FIO_OPT_G_VERIFY,
546a9142 2777 },
e28218f3
SL		 2778 {
2779 .name = "verify_pattern",
e8b0e958 2780 .lname = "Verify pattern",
0e92f873 2781 .type = FIO_OPT_STR,
e28218f3 2782 .cb = str_verify_pattern_cb,
a609f12a 2783 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2784 .help = "Fill pattern for IO buffers",
2785 .parent = "verify",
d71c154c 2786 .hide = 1,
e8b0e958
JA		 2787 .category = FIO_OPT_C_IO,
2788 .group = FIO_OPT_G_VERIFY,
e28218f3 2789 },
a12a3b4d
JA		 2790 {
2791 .name = "verify_fatal",
e8b0e958 2792 .lname = "Verify fatal",
68e1f29a 2793 .type = FIO_OPT_BOOL,
a609f12a 2794 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2795 .def = "0",
2796 .help = "Exit on a single verify failure, don't continue",
2797 .parent = "verify",
d71c154c 2798 .hide = 1,
e8b0e958
JA		 2799 .category = FIO_OPT_C_IO,
2800 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2801 },
b463e936
JA		 2802 {
2803 .name = "verify_dump",
e8b0e958 2804 .lname = "Verify dump",
b463e936 2805 .type = FIO_OPT_BOOL,
a609f12a 2806 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2807 .def = "0",
b463e936
JA		 2808 .help = "Dump contents of good and bad blocks on failure",
2809 .parent = "verify",
d71c154c 2810 .hide = 1,
e8b0e958
JA		 2811 .category = FIO_OPT_C_IO,
2812 .group = FIO_OPT_G_VERIFY,
b463e936 2813 },
e8462bd8
JA		 2814 {
2815 .name = "verify_async",
e8b0e958 2816 .lname = "Verify asynchronously",
e8462bd8 2817 .type = FIO_OPT_INT,
a609f12a 2818 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2819 .def = "0",
2820 .help = "Number of async verifier threads to use",
2821 .parent = "verify",
d71c154c 2822 .hide = 1,
e8b0e958
JA		 2823 .category = FIO_OPT_C_IO,
2824 .group = FIO_OPT_G_VERIFY,
e8462bd8 2825 },
9e144189
JA		 2826 {
2827 .name = "verify_backlog",
e8b0e958 2828 .lname = "Verify backlog",
9e144189 2829 .type = FIO_OPT_STR_VAL,
a609f12a 2830 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2831 .help = "Verify after this number of blocks are written",
2832 .parent = "verify",
d71c154c 2833 .hide = 1,
e8b0e958
JA		 2834 .category = FIO_OPT_C_IO,
2835 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2836 },
2837 {
2838 .name = "verify_backlog_batch",
e8b0e958 2839 .lname = "Verify backlog batch",
9e144189 2840 .type = FIO_OPT_INT,
a609f12a 2841 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2842 .help = "Verify this number of IO blocks",
0d29de83 2843 .parent = "verify",
d71c154c 2844 .hide = 1,
e8b0e958
JA		 2845 .category = FIO_OPT_C_IO,
2846 .group = FIO_OPT_G_VERIFY,
9e144189 2847 },
e8462bd8
JA		 2848#ifdef FIO_HAVE_CPU_AFFINITY
2849 {
2850 .name = "verify_async_cpus",
e8b0e958 2851 .lname = "Async verify CPUs",
e8462bd8
JA		 2852 .type = FIO_OPT_STR,
2853 .cb = str_verify_cpus_allowed_cb,
a609f12a 2854 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2855 .help = "Set CPUs allowed for async verify threads",
2856 .parent = "verify_async",
d71c154c 2857 .hide = 1,
e8b0e958
JA		 2858 .category = FIO_OPT_C_IO,
2859 .group = FIO_OPT_G_VERIFY,
e8462bd8 2860 },
a275c37a
JA		 2861#else
2862 {
2863 .name = "verify_async_cpus",
2864 .lname = "Async verify CPUs",
2865 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2866 .help = "Your platform does not support CPU affinities",
a275c37a 2867 },
0d29de83 2868#endif
51aa2da8
JA		 2869 {
2870 .name = "experimental_verify",
cce2fdfe 2871 .lname = "Experimental Verify",
a609f12a 2872 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2873 .type = FIO_OPT_BOOL,
b31eaac9 2874 .help = "Enable experimental verification",
ca09be4b
JA		 2875 .parent = "verify",
2876 .category = FIO_OPT_C_IO,
2877 .group = FIO_OPT_G_VERIFY,
2878 },
2879 {
2880 .name = "verify_state_load",
2881 .lname = "Load verify state",
a609f12a 2882 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 2883 .type = FIO_OPT_BOOL,
2884 .help = "Load verify termination state",
2885 .parent = "verify",
2886 .category = FIO_OPT_C_IO,
2887 .group = FIO_OPT_G_VERIFY,
2888 },
2889 {
2890 .name = "verify_state_save",
2891 .lname = "Save verify state",
a609f12a 2892 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 2893 .type = FIO_OPT_BOOL,
2894 .def = "1",
2895 .help = "Save verify state on termination",
2896 .parent = "verify",
836fcc0f
JA		 2897 .category = FIO_OPT_C_IO,
2898 .group = FIO_OPT_G_VERIFY,
51aa2da8 2899 },
0d29de83
JA		 2900#ifdef FIO_HAVE_TRIM
2901 {
2902 .name = "trim_percentage",
e8b0e958 2903 .lname = "Trim percentage",
0d29de83 2904 .type = FIO_OPT_INT,
a609f12a 2905 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 2906 .minval = 0,
0d29de83 2907 .maxval = 100,
169c098d 2908 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 2909 .parent = "verify",
2910 .def = "0",
20eb06bd 2911 .interval = 1,
d71c154c 2912 .hide = 1,
e8b0e958
JA		 2913 .category = FIO_OPT_C_IO,
2914 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2915 },
2916 {
2917 .name = "trim_verify_zero",
e8b0e958 2918 .lname = "Verify trim zero",
20eb06bd 2919 .type = FIO_OPT_BOOL,
169c098d 2920 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 2921 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 2922 .parent = "trim_percentage",
d71c154c 2923 .hide = 1,
0d29de83 2924 .def = "1",
e8b0e958
JA		 2925 .category = FIO_OPT_C_IO,
2926 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2927 },
2928 {
2929 .name = "trim_backlog",
e8b0e958 2930 .lname = "Trim backlog",
0d29de83 2931 .type = FIO_OPT_STR_VAL,
a609f12a 2932 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 2933 .help = "Trim after this number of blocks are written",
2934 .parent = "trim_percentage",
d71c154c 2935 .hide = 1,
20eb06bd 2936 .interval = 1,
e8b0e958
JA		 2937 .category = FIO_OPT_C_IO,
2938 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2939 },
2940 {
2941 .name = "trim_backlog_batch",
e8b0e958 2942 .lname = "Trim backlog batch",
0d29de83 2943 .type = FIO_OPT_INT,
a609f12a 2944 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 2945 .help = "Trim this number of IO blocks",
2946 .parent = "trim_percentage",
d71c154c 2947 .hide = 1,
20eb06bd 2948 .interval = 1,
e8b0e958
JA		 2949 .category = FIO_OPT_C_IO,
2950 .group = FIO_OPT_G_TRIM,
0d29de83 2951 },
a275c37a
JA		 2952#else
2953 {
2954 .name = "trim_percentage",
2955 .lname = "Trim percentage",
2956 .type = FIO_OPT_UNSUPPORTED,
2957 .help = "Fio does not support TRIM on your platform",
2958 },
2959 {
2960 .name = "trim_verify_zero",
2961 .lname = "Verify trim zero",
2962 .type = FIO_OPT_UNSUPPORTED,
2963 .help = "Fio does not support TRIM on your platform",
2964 },
2965 {
2966 .name = "trim_backlog",
2967 .lname = "Trim backlog",
2968 .type = FIO_OPT_UNSUPPORTED,
2969 .help = "Fio does not support TRIM on your platform",
2970 },
2971 {
2972 .name = "trim_backlog_batch",
2973 .lname = "Trim backlog batch",
2974 .type = FIO_OPT_UNSUPPORTED,
2975 .help = "Fio does not support TRIM on your platform",
2976 },
e8462bd8 2977#endif
214e1eca
JA		 2978 {
2979 .name = "write_iolog",
e8b0e958 2980 .lname = "Write I/O log",
214e1eca 2981 .type = FIO_OPT_STR_STORE,
a609f12a 2982 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 2983 .help = "Store IO pattern to file",
e8b0e958
JA		 2984 .category = FIO_OPT_C_IO,
2985 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2986 },
2987 {
2988 .name = "read_iolog",
e8b0e958 2989 .lname = "Read I/O log",
214e1eca 2990 .type = FIO_OPT_STR_STORE,
a609f12a 2991 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 2992 .help = "Playback IO pattern from file",
e8b0e958
JA		 2993 .category = FIO_OPT_C_IO,
2994 .group = FIO_OPT_G_IOLOG,
214e1eca 2995 },
64bbb865
DN		 2996 {
2997 .name = "replay_no_stall",
e8b0e958 2998 .lname = "Don't stall on replay",
20eb06bd 2999 .type = FIO_OPT_BOOL,
a609f12a 3000 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3001 .def = "0",
87e7a972 3002 .parent = "read_iolog",
d71c154c 3003 .hide = 1,
64bbb865 3004 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3005 .category = FIO_OPT_C_IO,
3006 .group = FIO_OPT_G_IOLOG,
64bbb865 3007 },
d1c46c04
DN		 3008 {
3009 .name = "replay_redirect",
e8b0e958 3010 .lname = "Redirect device for replay",
d1c46c04 3011 .type = FIO_OPT_STR_STORE,
a609f12a 3012 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3013 .parent = "read_iolog",
d71c154c 3014 .hide = 1,
d1c46c04 3015 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3016 .category = FIO_OPT_C_IO,
3017 .group = FIO_OPT_G_IOLOG,
d1c46c04 3018 },
0c63576e
JA		 3019 {
3020 .name = "replay_scale",
3021 .lname = "Replace offset scale factor",
3022 .type = FIO_OPT_INT,
a609f12a 3023 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3024 .parent = "read_iolog",
3025 .def = "1",
3026 .help = "Align offsets to this blocksize",
3027 .category = FIO_OPT_C_IO,
3028 .group = FIO_OPT_G_IOLOG,
3029 },
3030 {
3031 .name = "replay_align",
3032 .lname = "Replace alignment",
3033 .type = FIO_OPT_INT,
a609f12a 3034 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3035 .parent = "read_iolog",
3036 .help = "Scale offset down by this factor",
3037 .category = FIO_OPT_C_IO,
3038 .group = FIO_OPT_G_IOLOG,
3039 .pow2 = 1,
3040 },
214e1eca
JA		 3041 {
3042 .name = "exec_prerun",
e8b0e958 3043 .lname = "Pre-execute runnable",
214e1eca 3044 .type = FIO_OPT_STR_STORE,
a609f12a 3045 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3046 .help = "Execute this file prior to running job",
e8b0e958
JA		 3047 .category = FIO_OPT_C_GENERAL,
3048 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3049 },
3050 {
3051 .name = "exec_postrun",
e8b0e958 3052 .lname = "Post-execute runnable",
214e1eca 3053 .type = FIO_OPT_STR_STORE,
a609f12a 3054 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3055 .help = "Execute this file after running job",
e8b0e958
JA		 3056 .category = FIO_OPT_C_GENERAL,
3057 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3058 },
3059#ifdef FIO_HAVE_IOSCHED_SWITCH
3060 {
3061 .name = "ioscheduler",
e8b0e958 3062 .lname = "I/O scheduler",
214e1eca 3063 .type = FIO_OPT_STR_STORE,
a609f12a 3064 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3065 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3066 .category = FIO_OPT_C_FILE,
3067 .group = FIO_OPT_G_INVALID,
214e1eca 3068 },
a275c37a
JA		 3069#else
3070 {
3071 .name = "ioscheduler",
3072 .lname = "I/O scheduler",
3073 .type = FIO_OPT_UNSUPPORTED,
3074 .help = "Your platform does not support IO scheduler switching",
3075 },
214e1eca
JA		 3076#endif
3077 {
3078 .name = "zonesize",
e8b0e958 3079 .lname = "Zone size",
214e1eca 3080 .type = FIO_OPT_STR_VAL,
a609f12a 3081 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3082 .help = "Amount of data to read per zone",
3083 .def = "0",
20eb06bd 3084 .interval = 1024 * 1024,
e8b0e958
JA		 3085 .category = FIO_OPT_C_IO,
3086 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3087 },
3088 {
3089 .name = "zonerange",
e8b0e958 3090 .lname = "Zone range",
ed335855 3091 .type = FIO_OPT_STR_VAL,
a609f12a 3092 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3093 .help = "Give size of an IO zone",
3094 .def = "0",
20eb06bd 3095 .interval = 1024 * 1024,
e8b0e958
JA		 3096 .category = FIO_OPT_C_IO,
3097 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3098 },
3099 {
3100 .name = "zoneskip",
e8b0e958 3101 .lname = "Zone skip",
214e1eca 3102 .type = FIO_OPT_STR_VAL,
a609f12a 3103 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3104 .help = "Space between IO zones",
3105 .def = "0",
20eb06bd 3106 .interval = 1024 * 1024,
e8b0e958
JA		 3107 .category = FIO_OPT_C_IO,
3108 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3109 },
3110 {
3111 .name = "lockmem",
e8b0e958 3112 .lname = "Lock memory",
214e1eca 3113 .type = FIO_OPT_STR_VAL,
a609f12a 3114 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3115 .help = "Lock down this amount of memory (per worker)",
214e1eca 3116 .def = "0",
20eb06bd 3117 .interval = 1024 * 1024,
e8b0e958
JA		 3118 .category = FIO_OPT_C_GENERAL,
3119 .group = FIO_OPT_G_INVALID,
214e1eca 3120 },
214e1eca
JA		 3121 {
3122 .name = "rwmixread",
e8b0e958 3123 .lname = "Read/write mix read",
214e1eca 3124 .type = FIO_OPT_INT,
cb499fc4 3125 .cb = str_rwmix_read_cb,
a609f12a 3126 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3127 .maxval = 100,
3128 .help = "Percentage of mixed workload that is reads",
3129 .def = "50",
20eb06bd 3130 .interval = 5,
90265353 3131 .inverse = "rwmixwrite",
e8b0e958
JA		 3132 .category = FIO_OPT_C_IO,
3133 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3134 },
3135 {
3136 .name = "rwmixwrite",
e8b0e958 3137 .lname = "Read/write mix write",
214e1eca 3138 .type = FIO_OPT_INT,
cb499fc4 3139 .cb = str_rwmix_write_cb,
a609f12a 3140 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3141 .maxval = 100,
3142 .help = "Percentage of mixed workload that is writes",
3143 .def = "50",
20eb06bd 3144 .interval = 5,
90265353 3145 .inverse = "rwmixread",
e8b0e958
JA		 3146 .category = FIO_OPT_C_IO,
3147 .group = FIO_OPT_G_RWMIX,
214e1eca 3148 },
afdf9352
JA		 3149 {
3150 .name = "rwmixcycle",
e8b0e958 3151 .lname = "Read/write mix cycle",
15ca150e 3152 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3153 .category = FIO_OPT_C_IO,
3154 .group = FIO_OPT_G_RWMIX,
afdf9352 3155 },
214e1eca
JA		 3156 {
3157 .name = "nice",
e8b0e958 3158 .lname = "Nice",
214e1eca 3159 .type = FIO_OPT_INT,
a609f12a 3160 .off1 = offsetof(struct thread_options, nice),
214e1eca
JA		 3161 .help = "Set job CPU nice value",
3162 .minval = -19,
3163 .maxval = 20,
3164 .def = "0",
20eb06bd 3165 .interval = 1,
e8b0e958 3166 .category = FIO_OPT_C_GENERAL,
10860056 3167 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3168 },
3169#ifdef FIO_HAVE_IOPRIO
3170 {
3171 .name = "prio",
e8b0e958 3172 .lname = "I/O nice priority",
214e1eca 3173 .type = FIO_OPT_INT,
a609f12a 3174 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3175 .help = "Set job IO priority value",
1767bd34
TK		 3176 .minval = IOPRIO_MIN_PRIO,
3177 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3178 .interval = 1,
e8b0e958 3179 .category = FIO_OPT_C_GENERAL,
10860056 3180 .group = FIO_OPT_G_CRED,
214e1eca 3181 },
32ef447a
TK		 3182#else
3183 {
3184 .name = "prio",
3185 .lname = "I/O nice priority",
3186 .type = FIO_OPT_UNSUPPORTED,
3187 .help = "Your platform does not support IO priorities",
3188 },
3189#endif
3190#ifdef FIO_HAVE_IOPRIO_CLASS
3191#ifndef FIO_HAVE_IOPRIO
3192#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3193#endif
214e1eca
JA		 3194 {
3195 .name = "prioclass",
e8b0e958 3196 .lname = "I/O nice priority class",
214e1eca 3197 .type = FIO_OPT_INT,
a609f12a 3198 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3199 .help = "Set job IO priority class",
1767bd34
TK		 3200 .minval = IOPRIO_MIN_PRIO_CLASS,
3201 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3202 .interval = 1,
e8b0e958 3203 .category = FIO_OPT_C_GENERAL,
10860056 3204 .group = FIO_OPT_G_CRED,
214e1eca 3205 },
a275c37a 3206#else
a275c37a
JA		 3207 {
3208 .name = "prioclass",
3209 .lname = "I/O nice priority class",
3210 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3211 .help = "Your platform does not support IO priority classes",
a275c37a 3212 },
214e1eca
JA		 3213#endif
3214 {
3215 .name = "thinktime",
e8b0e958 3216 .lname = "Thinktime",
214e1eca 3217 .type = FIO_OPT_INT,
a609f12a 3218 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3219 .help = "Idle time between IO buffers (usec)",
3220 .def = "0",
88038bc7 3221 .is_time = 1,
e8b0e958 3222 .category = FIO_OPT_C_IO,
3ceb458f 3223 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3224 },
3225 {
3226 .name = "thinktime_spin",
e8b0e958 3227 .lname = "Thinktime spin",
214e1eca 3228 .type = FIO_OPT_INT,
a609f12a 3229 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3230 .help = "Start think time by spinning this amount (usec)",
3231 .def = "0",
88038bc7 3232 .is_time = 1,
afdf9352 3233 .parent = "thinktime",
d71c154c 3234 .hide = 1,
e8b0e958 3235 .category = FIO_OPT_C_IO,
3ceb458f 3236 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3237 },
3238 {
3239 .name = "thinktime_blocks",
e8b0e958 3240 .lname = "Thinktime blocks",
214e1eca 3241 .type = FIO_OPT_INT,
a609f12a 3242 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3243 .help = "IO buffer period between 'thinktime'",
3244 .def = "1",
afdf9352 3245 .parent = "thinktime",
d71c154c 3246 .hide = 1,
e8b0e958 3247 .category = FIO_OPT_C_IO,
3ceb458f 3248 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3249 },
3250 {
3251 .name = "rate",
e8b0e958 3252 .lname = "I/O rate",
e01b22b8 3253 .type = FIO_OPT_INT,
a609f12a
JA		 3254 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3255 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3256 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3257 .help = "Set bandwidth rate",
e8b0e958
JA		 3258 .category = FIO_OPT_C_IO,
3259 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3260 },
3261 {
6d428bcd
JA		 3262 .name = "rate_min",
3263 .alias = "ratemin",
e8b0e958 3264 .lname = "I/O min rate",
e01b22b8 3265 .type = FIO_OPT_INT,
a609f12a
JA		 3266 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3267 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3268 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3269 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3270 .parent = "rate",
d71c154c 3271 .hide = 1,
e8b0e958
JA		 3272 .category = FIO_OPT_C_IO,
3273 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3274 },
3275 {
3276 .name = "rate_iops",
e8b0e958 3277 .lname = "I/O rate IOPS",
e01b22b8 3278 .type = FIO_OPT_INT,
a609f12a
JA		 3279 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3280 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3281 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3282 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3283 .hide = 1,
e8b0e958
JA		 3284 .category = FIO_OPT_C_IO,
3285 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3286 },
3287 {
3288 .name = "rate_iops_min",
e8b0e958 3289 .lname = "I/O min rate IOPS",
e01b22b8 3290 .type = FIO_OPT_INT,
a609f12a
JA		 3291 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3292 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3293 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3294 .help = "Job must meet this rate or it will be shut down",
afdf9352 3295 .parent = "rate_iops",
d71c154c 3296 .hide = 1,
e8b0e958
JA		 3297 .category = FIO_OPT_C_IO,
3298 .group = FIO_OPT_G_RATE,
214e1eca 3299 },
ff6bb260 3300 {
6de65959
JA		 3301 .name = "rate_process",
3302 .lname = "Rate Process",
3303 .type = FIO_OPT_STR,
a609f12a 3304 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3305 .help = "What process controls how rated IO is managed",
3306 .def = "linear",
ff6bb260
SL		 3307 .category = FIO_OPT_C_IO,
3308 .group = FIO_OPT_G_RATE,
6de65959
JA		 3309 .posval = {
3310 { .ival = "linear",
3311 .oval = RATE_PROCESS_LINEAR,
3312 .help = "Linear rate of IO",
3313 },
3314 {
3315 .ival = "poisson",
3316 .oval = RATE_PROCESS_POISSON,
3317 .help = "Rate follows Poisson process",
3318 },
3319 },
3320 .parent = "rate",
ff6bb260 3321 },
214e1eca 3322 {
6d428bcd
JA		 3323 .name = "rate_cycle",
3324 .alias = "ratecycle",
e8b0e958 3325 .lname = "I/O rate cycle",
214e1eca 3326 .type = FIO_OPT_INT,
a609f12a 3327 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3328 .help = "Window average for rate limits (msec)",
3329 .def = "1000",
afdf9352 3330 .parent = "rate",
d71c154c 3331 .hide = 1,
e8b0e958
JA		 3332 .category = FIO_OPT_C_IO,
3333 .group = FIO_OPT_G_RATE,
214e1eca 3334 },
15501535
JA		 3335 {
3336 .name = "max_latency",
cce2fdfe 3337 .lname = "Max Latency",
15501535 3338 .type = FIO_OPT_INT,
a609f12a 3339 .off1 = offsetof(struct thread_options, max_latency),
15501535 3340 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3341 .is_time = 1,
1e5324e7 3342 .category = FIO_OPT_C_IO,
3e260a46
JA		 3343 .group = FIO_OPT_G_LATPROF,
3344 },
3345 {
3346 .name = "latency_target",
3347 .lname = "Latency Target (usec)",
3348 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3349 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3350 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3351 .is_time = 1,
3e260a46
JA		 3352 .category = FIO_OPT_C_IO,
3353 .group = FIO_OPT_G_LATPROF,
3354 },
3355 {
3356 .name = "latency_window",
3357 .lname = "Latency Window (usec)",
3358 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3359 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3360 .help = "Time to sustain latency_target",
88038bc7 3361 .is_time = 1,
3e260a46
JA		 3362 .category = FIO_OPT_C_IO,
3363 .group = FIO_OPT_G_LATPROF,
3364 },
3365 {
3366 .name = "latency_percentile",
3367 .lname = "Latency Percentile",
3368 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3369 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3370 .help = "Percentile of IOs must be below latency_target",
3371 .def = "100",
3372 .maxlen = 1,
3373 .minfp = 0.0,
3374 .maxfp = 100.0,
3375 .category = FIO_OPT_C_IO,
3376 .group = FIO_OPT_G_LATPROF,
15501535 3377 },
214e1eca
JA		 3378 {
3379 .name = "invalidate",
e8b0e958 3380 .lname = "Cache invalidate",
214e1eca 3381 .type = FIO_OPT_BOOL,
a609f12a 3382 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3383 .help = "Invalidate buffer/page cache prior to running job",
3384 .def = "1",
e8b0e958 3385 .category = FIO_OPT_C_IO,
3ceb458f 3386 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3387 },
3388 {
3389 .name = "sync",
e8b0e958 3390 .lname = "Synchronous I/O",
214e1eca 3391 .type = FIO_OPT_BOOL,
a609f12a 3392 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3393 .help = "Use O_SYNC for buffered writes",
3394 .def = "0",
67a1000f 3395 .parent = "buffered",
d71c154c 3396 .hide = 1,
e8b0e958 3397 .category = FIO_OPT_C_IO,
3ceb458f 3398 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3399 },
214e1eca
JA		 3400 {
3401 .name = "create_serialize",
e8b0e958 3402 .lname = "Create serialize",
214e1eca 3403 .type = FIO_OPT_BOOL,
a609f12a 3404 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3405 .help = "Serialize creation of job files",
214e1eca 3406 .def = "1",
e8b0e958
JA		 3407 .category = FIO_OPT_C_FILE,
3408 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3409 },
3410 {
3411 .name = "create_fsync",
e8b0e958 3412 .lname = "Create fsync",
214e1eca 3413 .type = FIO_OPT_BOOL,
a609f12a 3414 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3415 .help = "fsync file after creation",
214e1eca 3416 .def = "1",
e8b0e958
JA		 3417 .category = FIO_OPT_C_FILE,
3418 .group = FIO_OPT_G_INVALID,
214e1eca 3419 },
814452bd
JA		 3420 {
3421 .name = "create_on_open",
e8b0e958 3422 .lname = "Create on open",
814452bd 3423 .type = FIO_OPT_BOOL,
a609f12a 3424 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3425 .help = "Create files when they are opened for IO",
3426 .def = "0",
e8b0e958
JA		 3427 .category = FIO_OPT_C_FILE,
3428 .group = FIO_OPT_G_INVALID,
814452bd 3429 },
25460cf6
JA		 3430 {
3431 .name = "create_only",
cce2fdfe 3432 .lname = "Create Only",
25460cf6 3433 .type = FIO_OPT_BOOL,
a609f12a 3434 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3435 .help = "Only perform file creation phase",
d17fda71 3436 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3437 .def = "0",
3438 },
2378826d
JA		 3439 {
3440 .name = "allow_file_create",
e81ecca3 3441 .lname = "Allow file create",
2378826d 3442 .type = FIO_OPT_BOOL,
a609f12a 3443 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3444 .help = "Permit fio to create files, if they don't exist",
3445 .def = "1",
3446 .category = FIO_OPT_C_FILE,
3447 .group = FIO_OPT_G_FILENAME,
3448 },
e81ecca3
JA		 3449 {
3450 .name = "allow_mounted_write",
3451 .lname = "Allow mounted write",
3452 .type = FIO_OPT_BOOL,
a609f12a 3453 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3454 .help = "Allow writes to a mounted partition",
3455 .def = "0",
3456 .category = FIO_OPT_C_FILE,
3457 .group = FIO_OPT_G_FILENAME,
3458 },
0b9d69ec 3459 {
afad68f7 3460 .name = "pre_read",
e8b0e958 3461 .lname = "Pre-read files",
afad68f7 3462 .type = FIO_OPT_BOOL,
a609f12a 3463 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3464 .help = "Pre-read files before starting official testing",
afad68f7 3465 .def = "0",
e8b0e958
JA		 3466 .category = FIO_OPT_C_FILE,
3467 .group = FIO_OPT_G_INVALID,
afad68f7 3468 },
214e1eca
JA		 3469#ifdef FIO_HAVE_CPU_AFFINITY
3470 {
3471 .name = "cpumask",
e8b0e958 3472 .lname = "CPU mask",
214e1eca
JA		 3473 .type = FIO_OPT_INT,
3474 .cb = str_cpumask_cb,
a609f12a 3475 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3476 .help = "CPU affinity mask",
e8b0e958 3477 .category = FIO_OPT_C_GENERAL,
10860056 3478 .group = FIO_OPT_G_CRED,
214e1eca 3479 },
d2e268b0
JA		 3480 {
3481 .name = "cpus_allowed",
e8b0e958 3482 .lname = "CPUs allowed",
d2e268b0
JA		 3483 .type = FIO_OPT_STR,
3484 .cb = str_cpus_allowed_cb,
a609f12a 3485 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3486 .help = "Set CPUs allowed",
e8b0e958 3487 .category = FIO_OPT_C_GENERAL,
10860056 3488 .group = FIO_OPT_G_CRED,
d2e268b0 3489 },
c2acfbac
JA		 3490 {
3491 .name = "cpus_allowed_policy",
3492 .lname = "CPUs allowed distribution policy",
3493 .type = FIO_OPT_STR,
a609f12a 3494 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3495 .help = "Distribution policy for cpus_allowed",
3496 .parent = "cpus_allowed",
3497 .prio = 1,
3498 .posval = {
3499 { .ival = "shared",
3500 .oval = FIO_CPUS_SHARED,
3501 .help = "Mask shared between threads",
3502 },
3503 { .ival = "split",
3504 .oval = FIO_CPUS_SPLIT,
3505 .help = "Mask split between threads",
3506 },
3507 },
3508 .category = FIO_OPT_C_GENERAL,
3509 .group = FIO_OPT_G_CRED,
3510 },
a275c37a
JA		 3511#else
3512 {
3513 .name = "cpumask",
3514 .lname = "CPU mask",
3515 .type = FIO_OPT_UNSUPPORTED,
3516 .help = "Your platform does not support CPU affinities",
3517 },
3518 {
3519 .name = "cpus_allowed",
3520 .lname = "CPUs allowed",
3521 .type = FIO_OPT_UNSUPPORTED,
3522 .help = "Your platform does not support CPU affinities",
3523 },
3524 {
3525 .name = "cpus_allowed_policy",
3526 .lname = "CPUs allowed distribution policy",
3527 .type = FIO_OPT_UNSUPPORTED,
3528 .help = "Your platform does not support CPU affinities",
3529 },
d0b937ed 3530#endif
67bf9823 3531#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3532 {
3533 .name = "numa_cpu_nodes",
cce2fdfe 3534 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3535 .type = FIO_OPT_STR,
3536 .cb = str_numa_cpunodes_cb,
a609f12a 3537 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3538 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3539 .category = FIO_OPT_C_GENERAL,
3540 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3541 },
3542 {
3543 .name = "numa_mem_policy",
cce2fdfe 3544 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3545 .type = FIO_OPT_STR,
3546 .cb = str_numa_mpol_cb,
a609f12a 3547 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3548 .help = "NUMA memory policy setup",
6be54b2d
JA		 3549 .category = FIO_OPT_C_GENERAL,
3550 .group = FIO_OPT_G_INVALID,
d0b937ed 3551 },
a275c37a
JA		 3552#else
3553 {
3554 .name = "numa_cpu_nodes",
3555 .lname = "NUMA CPU Nodes",
3556 .type = FIO_OPT_UNSUPPORTED,
3557 .help = "Build fio with libnuma-dev(el) to enable this option",
3558 },
3559 {
3560 .name = "numa_mem_policy",
3561 .lname = "NUMA Memory Policy",
3562 .type = FIO_OPT_UNSUPPORTED,
3563 .help = "Build fio with libnuma-dev(el) to enable this option",
3564 },
214e1eca
JA		 3565#endif
3566 {
3567 .name = "end_fsync",
e8b0e958 3568 .lname = "End fsync",
214e1eca 3569 .type = FIO_OPT_BOOL,
a609f12a 3570 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3571 .help = "Include fsync at the end of job",
3572 .def = "0",
e8b0e958
JA		 3573 .category = FIO_OPT_C_FILE,
3574 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3575 },
3576 {
3577 .name = "fsync_on_close",
e8b0e958 3578 .lname = "Fsync on close",
214e1eca 3579 .type = FIO_OPT_BOOL,
a609f12a 3580 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3581 .help = "fsync files on close",
3582 .def = "0",
e8b0e958
JA		 3583 .category = FIO_OPT_C_FILE,
3584 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3585 },
3586 {
3587 .name = "unlink",
e8b0e958 3588 .lname = "Unlink file",
214e1eca 3589 .type = FIO_OPT_BOOL,
a609f12a 3590 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3591 .help = "Unlink created files after job has completed",
3592 .def = "0",
e8b0e958
JA		 3593 .category = FIO_OPT_C_FILE,
3594 .group = FIO_OPT_G_INVALID,
214e1eca 3595 },
39c1c323 3596 {
3597 .name = "unlink_each_loop",
3598 .lname = "Unlink file after each loop of a job",
3599 .type = FIO_OPT_BOOL,
a609f12a 3600 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3601 .help = "Unlink created files after each loop in a job has completed",
3602 .def = "0",
3603 .category = FIO_OPT_C_FILE,
3604 .group = FIO_OPT_G_INVALID,
3605 },
214e1eca
JA		 3606 {
3607 .name = "exitall",
e8b0e958 3608 .lname = "Exit-all on terminate",
214e1eca
JA		 3609 .type = FIO_OPT_STR_SET,
3610 .cb = str_exitall_cb,
3611 .help = "Terminate all jobs when one exits",
e8b0e958 3612 .category = FIO_OPT_C_GENERAL,
a1f6afec 3613 .group = FIO_OPT_G_PROCESS,
214e1eca 3614 },
f9cafb12
JA		 3615 {
3616 .name = "exitall_on_error",
3617 .lname = "Exit-all on terminate in error",
78abcf9b 3618 .type = FIO_OPT_STR_SET,
a609f12a 3619 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3620 .help = "Terminate all jobs when one exits in error",
3621 .category = FIO_OPT_C_GENERAL,
3622 .group = FIO_OPT_G_PROCESS,
3623 },
214e1eca
JA		 3624 {
3625 .name = "stonewall",
e8b0e958 3626 .lname = "Wait for previous",
d392365e 3627 .alias = "wait_for_previous",
214e1eca 3628 .type = FIO_OPT_STR_SET,
a609f12a 3629 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3630 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3631 .category = FIO_OPT_C_GENERAL,
a1f6afec 3632 .group = FIO_OPT_G_PROCESS,
214e1eca 3633 },
b3d62a75
JA		 3634 {
3635 .name = "new_group",
e8b0e958 3636 .lname = "New group",
b3d62a75 3637 .type = FIO_OPT_STR_SET,
a609f12a 3638 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3639 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3640 .category = FIO_OPT_C_GENERAL,
a1f6afec 3641 .group = FIO_OPT_G_PROCESS,
b3d62a75 3642 },
214e1eca
JA		 3643 {
3644 .name = "thread",
e8b0e958 3645 .lname = "Thread",
214e1eca 3646 .type = FIO_OPT_STR_SET,
a609f12a 3647 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3648 .help = "Use threads instead of processes",
c8931876
JA		 3649#ifdef CONFIG_NO_SHM
3650 .def = "1",
3651 .no_warn_def = 1,
3652#endif
e8b0e958 3653 .category = FIO_OPT_C_GENERAL,
a1f6afec 3654 .group = FIO_OPT_G_PROCESS,
214e1eca 3655 },
3a5db920
JA		 3656 {
3657 .name = "per_job_logs",
cce2fdfe 3658 .lname = "Per Job Logs",
3a5db920 3659 .type = FIO_OPT_BOOL,
a609f12a 3660 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3661 .help = "Include job number in generated log files or not",
3662 .def = "1",
3663 .category = FIO_OPT_C_LOG,
3664 .group = FIO_OPT_G_INVALID,
3665 },
214e1eca
JA		 3666 {
3667 .name = "write_bw_log",
e8b0e958 3668 .lname = "Write bandwidth log",
dded427c 3669 .type = FIO_OPT_STR,
a609f12a 3670 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3671 .cb = str_write_bw_log_cb,
214e1eca 3672 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3673 .category = FIO_OPT_C_LOG,
3674 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3675 },
3676 {
3677 .name = "write_lat_log",
e8b0e958 3678 .lname = "Write latency log",
dded427c 3679 .type = FIO_OPT_STR,
a609f12a 3680 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3681 .cb = str_write_lat_log_cb,
214e1eca 3682 .help = "Write log of latency during run",
e8b0e958
JA		 3683 .category = FIO_OPT_C_LOG,
3684 .group = FIO_OPT_G_INVALID,
214e1eca 3685 },
c8eeb9df
JA		 3686 {
3687 .name = "write_iops_log",
e8b0e958 3688 .lname = "Write IOPS log",
dded427c 3689 .type = FIO_OPT_STR,
a609f12a 3690 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3691 .cb = str_write_iops_log_cb,
c8eeb9df 3692 .help = "Write log of IOPS during run",
e8b0e958
JA		 3693 .category = FIO_OPT_C_LOG,
3694 .group = FIO_OPT_G_INVALID,
c8eeb9df 3695 },
b8bc8cba
JA		 3696 {
3697 .name = "log_avg_msec",
e8b0e958 3698 .lname = "Log averaging (msec)",
b8bc8cba 3699 .type = FIO_OPT_INT,
a609f12a 3700 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3701 .help = "Average bw/iops/lat logs over this period of time",
3702 .def = "0",
e8b0e958 3703 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3704 .group = FIO_OPT_G_INVALID,
3705 },
3706 {
3707 .name = "log_hist_msec",
3708 .lname = "Log histograms (msec)",
3709 .type = FIO_OPT_INT,
a609f12a 3710 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3711 .help = "Dump completion latency histograms at frequency of this time value",
3712 .def = "0",
3713 .category = FIO_OPT_C_LOG,
3714 .group = FIO_OPT_G_INVALID,
3715 },
3716 {
3717 .name = "log_hist_coarseness",
3718 .lname = "Histogram logs coarseness",
3719 .type = FIO_OPT_INT,
a609f12a 3720 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3721 .help = "Integer in range [0,6]. Higher coarseness outputs"
3722 " fewer histogram bins per sample. The number of bins for"
3723 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3724 .def = "0",
3725 .category = FIO_OPT_C_LOG,
3726 .group = FIO_OPT_G_INVALID,
3727 },
3728 {
3729 .name = "write_hist_log",
3730 .lname = "Write latency histogram logs",
dded427c 3731 .type = FIO_OPT_STR,
a609f12a 3732 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3733 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3734 .help = "Write log of latency histograms during run",
3735 .category = FIO_OPT_C_LOG,
e8b0e958 3736 .group = FIO_OPT_G_INVALID,
b8bc8cba 3737 },
e6989e10
JA		 3738 {
3739 .name = "log_max_value",
3740 .lname = "Log maximum instead of average",
3741 .type = FIO_OPT_BOOL,
a609f12a 3742 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3743 .help = "Log max sample in a window instead of average",
3744 .def = "0",
3745 .category = FIO_OPT_C_LOG,
3746 .group = FIO_OPT_G_INVALID,
3747 },
ae588852
JA		 3748 {
3749 .name = "log_offset",
3750 .lname = "Log offset of IO",
3751 .type = FIO_OPT_BOOL,
a609f12a 3752 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3753 .help = "Include offset of IO for each log entry",
3754 .def = "0",
3755 .category = FIO_OPT_C_LOG,
3756 .group = FIO_OPT_G_INVALID,
3757 },
aee2ab67
JA		 3758#ifdef CONFIG_ZLIB
3759 {
3760 .name = "log_compression",
3761 .lname = "Log compression",
3762 .type = FIO_OPT_INT,
a609f12a 3763 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3764 .help = "Log in compressed chunks of this size",
9919b27b 3765 .minval = 1024ULL,
aee2ab67
JA		 3766 .maxval = 512 * 1024 * 1024ULL,
3767 .category = FIO_OPT_C_LOG,
3768 .group = FIO_OPT_G_INVALID,
3769 },
c08f9fe2
JA		 3770#ifdef FIO_HAVE_CPU_AFFINITY
3771 {
3772 .name = "log_compression_cpus",
3773 .lname = "Log Compression CPUs",
3774 .type = FIO_OPT_STR,
3775 .cb = str_log_cpus_allowed_cb,
a609f12a 3776 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 3777 .parent = "log_compression",
3778 .help = "Limit log compression to these CPUs",
3779 .category = FIO_OPT_C_LOG,
3780 .group = FIO_OPT_G_INVALID,
3781 },
a275c37a
JA		 3782#else
3783 {
3784 .name = "log_compression_cpus",
3785 .lname = "Log Compression CPUs",
3786 .type = FIO_OPT_UNSUPPORTED,
3787 .help = "Your platform does not support CPU affinities",
3788 },
c08f9fe2 3789#endif
b26317c9
JA		 3790 {
3791 .name = "log_store_compressed",
3792 .lname = "Log store compressed",
3793 .type = FIO_OPT_BOOL,
a609f12a 3794 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 3795 .help = "Store logs in a compressed format",
3796 .category = FIO_OPT_C_LOG,
3797 .group = FIO_OPT_G_INVALID,
3798 },
a275c37a
JA		 3799#else
3800 {
3801 .name = "log_compression",
3802 .lname = "Log compression",
3803 .type = FIO_OPT_UNSUPPORTED,
3804 .help = "Install libz-dev(el) to get compression support",
3805 },
3806 {
3807 .name = "log_store_compressed",
3808 .lname = "Log store compressed",
3809 .type = FIO_OPT_UNSUPPORTED,
3810 .help = "Install libz-dev(el) to get compression support",
3811 },
aee2ab67 3812#endif
3aea75b1
KC		 3813 {
3814 .name = "log_unix_epoch",
3815 .lname = "Log epoch unix",
3816 .type = FIO_OPT_BOOL,
3817 .off1 = offsetof(struct thread_options, log_unix_epoch),
3818 .help = "Use Unix time in log files",
3819 .category = FIO_OPT_C_LOG,
3820 .group = FIO_OPT_G_INVALID,
3821 },
66347cfa
DE		 3822 {
3823 .name = "block_error_percentiles",
3824 .lname = "Block error percentiles",
3825 .type = FIO_OPT_BOOL,
a609f12a 3826 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 3827 .help = "Record trim block errors and make a histogram",
3828 .def = "0",
3829 .category = FIO_OPT_C_LOG,
3830 .group = FIO_OPT_G_INVALID,
3831 },
c504ee55
JA		 3832 {
3833 .name = "bwavgtime",
3834 .lname = "Bandwidth average time",
3835 .type = FIO_OPT_INT,
a609f12a 3836 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 3837 .help = "Time window over which to calculate bandwidth"
3838 " (msec)",
3839 .def = "500",
3840 .parent = "write_bw_log",
3841 .hide = 1,
3842 .interval = 100,
3843 .category = FIO_OPT_C_LOG,
3844 .group = FIO_OPT_G_INVALID,
3845 },
3846 {
3847 .name = "iopsavgtime",
3848 .lname = "IOPS average time",
3849 .type = FIO_OPT_INT,
a609f12a 3850 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 3851 .help = "Time window over which to calculate IOPS (msec)",
3852 .def = "500",
3853 .parent = "write_iops_log",
3854 .hide = 1,
3855 .interval = 100,
3856 .category = FIO_OPT_C_LOG,
3857 .group = FIO_OPT_G_INVALID,
3858 },
214e1eca
JA		 3859 {
3860 .name = "group_reporting",
e8b0e958 3861 .lname = "Group reporting",
d2507043 3862 .type = FIO_OPT_STR_SET,
a609f12a 3863 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 3864 .help = "Do reporting on a per-group basis",
10860056 3865 .category = FIO_OPT_C_STAT,
e8b0e958 3866 .group = FIO_OPT_G_INVALID,
214e1eca 3867 },
e9459e5a
JA		 3868 {
3869 .name = "zero_buffers",
e8b0e958 3870 .lname = "Zero I/O buffers",
e9459e5a 3871 .type = FIO_OPT_STR_SET,
a609f12a 3872 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 3873 .help = "Init IO buffers to all zeroes",
e8b0e958 3874 .category = FIO_OPT_C_IO,
3ceb458f 3875 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3876 },
5973cafb
JA		 3877 {
3878 .name = "refill_buffers",
e8b0e958 3879 .lname = "Refill I/O buffers",
5973cafb 3880 .type = FIO_OPT_STR_SET,
a609f12a 3881 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 3882 .help = "Refill IO buffers on every IO submit",
e8b0e958 3883 .category = FIO_OPT_C_IO,
3ceb458f 3884 .group = FIO_OPT_G_IO_BUF,
5973cafb 3885 },
fd68418e
JA		 3886 {
3887 .name = "scramble_buffers",
e8b0e958 3888 .lname = "Scramble I/O buffers",
fd68418e 3889 .type = FIO_OPT_BOOL,
a609f12a 3890 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 3891 .help = "Slightly scramble buffers on every IO submit",
3892 .def = "1",
e8b0e958 3893 .category = FIO_OPT_C_IO,
3ceb458f 3894 .group = FIO_OPT_G_IO_BUF,
fd68418e 3895 },
ce35b1ec
JA		 3896 {
3897 .name = "buffer_pattern",
3898 .lname = "Buffer pattern",
3899 .type = FIO_OPT_STR,
3900 .cb = str_buffer_pattern_cb,
a609f12a 3901 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 3902 .help = "Fill pattern for IO buffers",
3903 .category = FIO_OPT_C_IO,
3904 .group = FIO_OPT_G_IO_BUF,
3905 },
9c42684e
JA		 3906 {
3907 .name = "buffer_compress_percentage",
e8b0e958 3908 .lname = "Buffer compression percentage",
9c42684e 3909 .type = FIO_OPT_INT,
bedc9dc2 3910 .cb = str_buffer_compress_cb,
a609f12a 3911 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 3912 .maxval = 100,
e7f5de90 3913 .minval = 0,
9c42684e 3914 .help = "How compressible the buffer is (approximately)",
20eb06bd 3915 .interval = 5,
e8b0e958 3916 .category = FIO_OPT_C_IO,
3ceb458f 3917 .group = FIO_OPT_G_IO_BUF,
9c42684e 3918 },
f97a43a1
JA		 3919 {
3920 .name = "buffer_compress_chunk",
e8b0e958 3921 .lname = "Buffer compression chunk size",
f97a43a1 3922 .type = FIO_OPT_INT,
a609f12a 3923 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 3924 .parent = "buffer_compress_percentage",
d71c154c 3925 .hide = 1,
f97a43a1 3926 .help = "Size of compressible region in buffer",
20eb06bd 3927 .interval = 256,
e8b0e958 3928 .category = FIO_OPT_C_IO,
3ceb458f 3929 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3930 },
5c94b008
JA		 3931 {
3932 .name = "dedupe_percentage",
3933 .lname = "Dedupe percentage",
3934 .type = FIO_OPT_INT,
3935 .cb = str_dedupe_cb,
a609f12a 3936 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 3937 .maxval = 100,
3938 .minval = 0,
3939 .help = "Percentage of buffers that are dedupable",
3940 .interval = 1,
3941 .category = FIO_OPT_C_IO,
3942 .group = FIO_OPT_G_IO_BUF,
3943 },
83349190
YH		 3944 {
3945 .name = "clat_percentiles",
e8b0e958 3946 .lname = "Completion latency percentiles",
83349190 3947 .type = FIO_OPT_BOOL,
a609f12a 3948 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 3949 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3950 .def = "1",
e8b0e958
JA		 3951 .category = FIO_OPT_C_STAT,
3952 .group = FIO_OPT_G_INVALID,
83349190
YH		 3953 },
3954 {
3955 .name = "percentile_list",
66347cfa 3956 .lname = "Percentile list",
83349190 3957 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 3958 .off1 = offsetof(struct thread_options, percentile_list),
3959 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 3960 .help = "Specify a custom list of percentiles to report for "
3961 "completion latency and block errors",
fd112d34 3962 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3963 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3964 .minfp = 0.0,
3965 .maxfp = 100.0,
e8b0e958
JA		 3966 .category = FIO_OPT_C_STAT,
3967 .group = FIO_OPT_G_INVALID,
83349190
YH		 3968 },
3969
0a839f30
JA		 3970#ifdef FIO_HAVE_DISK_UTIL
3971 {
3972 .name = "disk_util",
e8b0e958 3973 .lname = "Disk utilization",
0a839f30 3974 .type = FIO_OPT_BOOL,
a609f12a 3975 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 3976 .help = "Log disk utilization statistics",
0a839f30 3977 .def = "1",
e8b0e958
JA		 3978 .category = FIO_OPT_C_STAT,
3979 .group = FIO_OPT_G_INVALID,
0a839f30 3980 },
a275c37a
JA		 3981#else
3982 {
3983 .name = "disk_util",
3984 .lname = "Disk utilization",
3985 .type = FIO_OPT_UNSUPPORTED,
3986 .help = "Your platform does not support disk utilization",
3987 },
0a839f30 3988#endif
993bf48b
JA		 3989 {
3990 .name = "gtod_reduce",
e8b0e958 3991 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3992 .type = FIO_OPT_BOOL,
3993 .help = "Greatly reduce number of gettimeofday() calls",
3994 .cb = str_gtod_reduce_cb,
3995 .def = "0",
a4ed77fe 3996 .hide_on_set = 1,
e8b0e958
JA		 3997 .category = FIO_OPT_C_STAT,
3998 .group = FIO_OPT_G_INVALID,
993bf48b 3999 },
02af0988
JA		 4000 {
4001 .name = "disable_lat",
e8b0e958 4002 .lname = "Disable all latency stats",
02af0988 4003 .type = FIO_OPT_BOOL,
a609f12a 4004 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4005 .help = "Disable latency numbers",
4006 .parent = "gtod_reduce",
d71c154c 4007 .hide = 1,
02af0988 4008 .def = "0",
e8b0e958
JA		 4009 .category = FIO_OPT_C_STAT,
4010 .group = FIO_OPT_G_INVALID,
02af0988 4011 },
9520ebb9
JA		 4012 {
4013 .name = "disable_clat",
e8b0e958 4014 .lname = "Disable completion latency stats",
9520ebb9 4015 .type = FIO_OPT_BOOL,
a609f12a 4016 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4017 .help = "Disable completion latency numbers",
993bf48b 4018 .parent = "gtod_reduce",
d71c154c 4019 .hide = 1,
9520ebb9 4020 .def = "0",
e8b0e958
JA		 4021 .category = FIO_OPT_C_STAT,
4022 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4023 },
4024 {
4025 .name = "disable_slat",
e8b0e958 4026 .lname = "Disable submission latency stats",
9520ebb9 4027 .type = FIO_OPT_BOOL,
a609f12a 4028 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4029 .help = "Disable submission latency numbers",
993bf48b 4030 .parent = "gtod_reduce",
d71c154c 4031 .hide = 1,
9520ebb9 4032 .def = "0",
e8b0e958
JA		 4033 .category = FIO_OPT_C_STAT,
4034 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4035 },
4036 {
4037 .name = "disable_bw_measurement",
afd2ceff 4038 .alias = "disable_bw",
e8b0e958 4039 .lname = "Disable bandwidth stats",
9520ebb9 4040 .type = FIO_OPT_BOOL,
a609f12a 4041 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4042 .help = "Disable bandwidth logging",
993bf48b 4043 .parent = "gtod_reduce",
d71c154c 4044 .hide = 1,
9520ebb9 4045 .def = "0",
e8b0e958
JA		 4046 .category = FIO_OPT_C_STAT,
4047 .group = FIO_OPT_G_INVALID,
9520ebb9 4048 },
be4ecfdf
JA		 4049 {
4050 .name = "gtod_cpu",
e8b0e958 4051 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4052 .type = FIO_OPT_INT,
a609f12a 4053 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4054 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4055 .verify = gtod_cpu_verify,
e8b0e958 4056 .category = FIO_OPT_C_GENERAL,
10860056 4057 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4058 },
771e58be
JA		 4059 {
4060 .name = "unified_rw_reporting",
cce2fdfe 4061 .lname = "Unified RW Reporting",
771e58be 4062 .type = FIO_OPT_BOOL,
a609f12a 4063 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4064 .help = "Unify reporting across data direction",
4065 .def = "0",
90b7a96d
JA		 4066 .category = FIO_OPT_C_GENERAL,
4067 .group = FIO_OPT_G_INVALID,
771e58be 4068 },
f2bba182
RR		 4069 {
4070 .name = "continue_on_error",
e8b0e958 4071 .lname = "Continue on error",
06842027 4072 .type = FIO_OPT_STR,
a609f12a 4073 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4074 .help = "Continue on non-fatal errors during IO",
06842027 4075 .def = "none",
e8b0e958 4076 .category = FIO_OPT_C_GENERAL,
bc3f552f 4077 .group = FIO_OPT_G_ERR,
06842027
SL		 4078 .posval = {
4079 { .ival = "none",
4080 .oval = ERROR_TYPE_NONE,
4081 .help = "Exit when an error is encountered",
4082 },
4083 { .ival = "read",
4084 .oval = ERROR_TYPE_READ,
4085 .help = "Continue on read errors only",
4086 },
4087 { .ival = "write",
4088 .oval = ERROR_TYPE_WRITE,
4089 .help = "Continue on write errors only",
4090 },
4091 { .ival = "io",
4092 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4093 .help = "Continue on any IO errors",
4094 },
4095 { .ival = "verify",
4096 .oval = ERROR_TYPE_VERIFY,
4097 .help = "Continue on verify errors only",
4098 },
4099 { .ival = "all",
4100 .oval = ERROR_TYPE_ANY,
4101 .help = "Continue on all io and verify errors",
4102 },
4103 { .ival = "0",
4104 .oval = ERROR_TYPE_NONE,
4105 .help = "Alias for 'none'",
4106 },
4107 { .ival = "1",
4108 .oval = ERROR_TYPE_ANY,
4109 .help = "Alias for 'all'",
4110 },
4111 },
f2bba182 4112 },
8b28bd41
DM		 4113 {
4114 .name = "ignore_error",
cce2fdfe 4115 .lname = "Ignore Error",
8b28bd41
DM		 4116 .type = FIO_OPT_STR,
4117 .cb = str_ignore_error_cb,
a609f12a 4118 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4119 .help = "Set a specific list of errors to ignore",
4120 .parent = "rw",
a94eb99a 4121 .category = FIO_OPT_C_GENERAL,
bc3f552f 4122 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4123 },
4124 {
4125 .name = "error_dump",
cce2fdfe 4126 .lname = "Error Dump",
8b28bd41 4127 .type = FIO_OPT_BOOL,
a609f12a 4128 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4129 .def = "0",
4130 .help = "Dump info on each error",
a94eb99a 4131 .category = FIO_OPT_C_GENERAL,
bc3f552f 4132 .group = FIO_OPT_G_ERR,
8b28bd41 4133 },
9ac8a797
JA		 4134 {
4135 .name = "profile",
e8b0e958 4136 .lname = "Profile",
79d16311 4137 .type = FIO_OPT_STR_STORE,
a609f12a 4138 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4139 .help = "Select a specific builtin performance test",
13fca827 4140 .category = FIO_OPT_C_PROFILE,
e8b0e958 4141 .group = FIO_OPT_G_INVALID,
9ac8a797 4142 },
a696fa2a
JA		 4143 {
4144 .name = "cgroup",
e8b0e958 4145 .lname = "Cgroup",
a696fa2a 4146 .type = FIO_OPT_STR_STORE,
a609f12a 4147 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4148 .help = "Add job to cgroup of this name",
e8b0e958 4149 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4150 .group = FIO_OPT_G_CGROUP,
4151 },
4152 {
4153 .name = "cgroup_nodelete",
4154 .lname = "Cgroup no-delete",
4155 .type = FIO_OPT_BOOL,
a609f12a 4156 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4157 .help = "Do not delete cgroups after job completion",
4158 .def = "0",
4159 .parent = "cgroup",
4160 .category = FIO_OPT_C_GENERAL,
4161 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4162 },
4163 {
4164 .name = "cgroup_weight",
e8b0e958 4165 .lname = "Cgroup weight",
a696fa2a 4166 .type = FIO_OPT_INT,
a609f12a 4167 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4168 .help = "Use given weight for cgroup",
4169 .minval = 100,
4170 .maxval = 1000,
a1f6afec 4171 .parent = "cgroup",
e8b0e958 4172 .category = FIO_OPT_C_GENERAL,
a1f6afec 4173 .group = FIO_OPT_G_CGROUP,
7de87099 4174 },
e0b0d892
JA		 4175 {
4176 .name = "uid",
e8b0e958 4177 .lname = "User ID",
e0b0d892 4178 .type = FIO_OPT_INT,
a609f12a 4179 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4180 .help = "Run job with this user ID",
e8b0e958 4181 .category = FIO_OPT_C_GENERAL,
10860056 4182 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4183 },
4184 {
4185 .name = "gid",
e8b0e958 4186 .lname = "Group ID",
e0b0d892 4187 .type = FIO_OPT_INT,
a609f12a 4188 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4189 .help = "Run job with this group ID",
e8b0e958 4190 .category = FIO_OPT_C_GENERAL,
10860056 4191 .group = FIO_OPT_G_CRED,
e0b0d892 4192 },
a1f6afec
JA		 4193 {
4194 .name = "kb_base",
4195 .lname = "KB Base",
4196 .type = FIO_OPT_INT,
a609f12a 4197 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4198 .prio = 1,
4199 .def = "1024",
ba9c7219
JA		 4200 .posval = {
4201 { .ival = "1024",
4202 .oval = 1024,
d694a6a7 4203 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4204 },
4205 { .ival = "1000",
4206 .oval = 1000,
d694a6a7 4207 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4208 },
4209 },
d694a6a7 4210 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4211 .category = FIO_OPT_C_GENERAL,
4212 .group = FIO_OPT_G_INVALID,
4213 },
cf3a0518
JA		 4214 {
4215 .name = "unit_base",
d694a6a7 4216 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4217 .type = FIO_OPT_INT,
a609f12a 4218 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4219 .prio = 1,
71a08258
JA		 4220 .posval = {
4221 { .ival = "0",
4222 .oval = 0,
4223 .help = "Auto-detect",
4224 },
4225 { .ival = "8",
4226 .oval = 8,
4227 .help = "Normal (byte based)",
4228 },
4229 { .ival = "1",
4230 .oval = 1,
4231 .help = "Bit based",
4232 },
4233 },
cf3a0518
JA		 4234 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4235 .category = FIO_OPT_C_GENERAL,
4236 .group = FIO_OPT_G_INVALID,
4237 },
3ceb458f
JA		 4238 {
4239 .name = "hugepage-size",
4240 .lname = "Hugepage size",
4241 .type = FIO_OPT_INT,
a609f12a 4242 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4243 .help = "When using hugepages, specify size of each page",
4244 .def = __fio_stringify(FIO_HUGE_PAGE),
4245 .interval = 1024 * 1024,
4246 .category = FIO_OPT_C_GENERAL,
4247 .group = FIO_OPT_G_INVALID,
4248 },
9e684a49
DE		 4249 {
4250 .name = "flow_id",
e8b0e958 4251 .lname = "I/O flow ID",
9e684a49 4252 .type = FIO_OPT_INT,
a609f12a 4253 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4254 .help = "The flow index ID to use",
4255 .def = "0",
e8b0e958
JA		 4256 .category = FIO_OPT_C_IO,
4257 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4258 },
4259 {
4260 .name = "flow",
e8b0e958 4261 .lname = "I/O flow weight",
9e684a49 4262 .type = FIO_OPT_INT,
a609f12a 4263 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4264 .help = "Weight for flow control of this job",
4265 .parent = "flow_id",
d71c154c 4266 .hide = 1,
9e684a49 4267 .def = "0",
e8b0e958
JA		 4268 .category = FIO_OPT_C_IO,
4269 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4270 },
4271 {
4272 .name = "flow_watermark",
e8b0e958 4273 .lname = "I/O flow watermark",
9e684a49 4274 .type = FIO_OPT_INT,
a609f12a 4275 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4276 .help = "High watermark for flow control. This option"
4277 " should be set to the same value for all threads"
4278 " with non-zero flow.",
4279 .parent = "flow_id",
d71c154c 4280 .hide = 1,
9e684a49 4281 .def = "1024",
e8b0e958
JA		 4282 .category = FIO_OPT_C_IO,
4283 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4284 },
4285 {
4286 .name = "flow_sleep",
e8b0e958 4287 .lname = "I/O flow sleep",
9e684a49 4288 .type = FIO_OPT_INT,
a609f12a 4289 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4290 .help = "How many microseconds to sleep after being held"
4291 " back by the flow control mechanism",
4292 .parent = "flow_id",
d71c154c 4293 .hide = 1,
9e684a49 4294 .def = "0",
e8b0e958
JA		 4295 .category = FIO_OPT_C_IO,
4296 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4297 },
65fa28ca
DE		 4298 {
4299 .name = "skip_bad",
4300 .lname = "Skip operations against bad blocks",
4301 .type = FIO_OPT_BOOL,
a609f12a 4302 .off1 = offsetof(struct thread_options, skip_bad),
65fa28ca
DE		 4303 .help = "Skip operations against known bad blocks.",
4304 .hide = 1,
4305 .def = "0",
4306 .category = FIO_OPT_C_IO,
4307 .group = FIO_OPT_G_MTD,
4308 },
16e56d25
VF		 4309 {
4310 .name = "steadystate",
4311 .lname = "Steady state threshold",
4312 .alias = "ss",
4313 .type = FIO_OPT_STR,
2c5d94bc 4314 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4315 .cb = str_steadystate_cb,
4316 .help = "Define the criterion and limit to judge when a job has reached steady state",
4317 .def = "iops_slope:0.01%",
4318 .posval = {
4319 { .ival = "iops",
f0c50c66 4320 .oval = FIO_SS_IOPS,
16e56d25
VF		 4321 .help = "maximum mean deviation of IOPS measurements",
4322 },
4323 { .ival = "iops_slope",
f0c50c66 4324 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4325 .help = "slope calculated from IOPS measurements",
4326 },
4327 { .ival = "bw",
f0c50c66 4328 .oval = FIO_SS_BW,
16e56d25
VF		 4329 .help = "maximum mean deviation of bandwidth measurements",
4330 },
4331 {
4332 .ival = "bw_slope",
f0c50c66 4333 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4334 .help = "slope calculated from bandwidth measurements",
4335 },
4336 },
4337 .category = FIO_OPT_C_GENERAL,
4338 .group = FIO_OPT_G_RUNTIME,
4339 },
4340 {
4341 .name = "steadystate_duration",
4342 .lname = "Steady state duration",
4343 .alias = "ss_dur",
915ca980 4344 .parent = "steadystate",
16e56d25
VF		 4345 .type = FIO_OPT_STR_VAL_TIME,
4346 .off1 = offsetof(struct thread_options, ss_dur),
4347 .help = "Stop workload upon attaining steady state for specified duration",
4348 .def = "0",
4349 .is_seconds = 1,
4350 .is_time = 1,
4351 .category = FIO_OPT_C_GENERAL,
4352 .group = FIO_OPT_G_RUNTIME,
4353 },
4354 {
4355 .name = "steadystate_ramp_time",
4356 .lname = "Steady state ramp time",
4357 .alias = "ss_ramp",
915ca980 4358 .parent = "steadystate",
16e56d25
VF		 4359 .type = FIO_OPT_STR_VAL_TIME,
4360 .off1 = offsetof(struct thread_options, ss_ramp_time),
4361 .help = "Delay before initiation of data collection for steady state job termination testing",
4362 .def = "0",
4363 .is_seconds = 1,
4364 .is_time = 1,
4365 .category = FIO_OPT_C_GENERAL,
4366 .group = FIO_OPT_G_RUNTIME,
4367 },
214e1eca
JA		 4368 {
4369 .name = NULL,
4370 },
4371};
4372
17af15d4 4373static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4374 const char *name, int val)
9f81736c 4375{
17af15d4 4376 lopt->name = (char *) name;
de890a1e 4377 lopt->val = val;
9f81736c 4378 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4379 lopt->has_arg = optional_argument;
9f81736c
JA		 4380 else
4381 lopt->has_arg = required_argument;
4382}
4383
de890a1e
SL		 4384static void options_to_lopts(struct fio_option *opts,
4385 struct option *long_options,
4386 int i, int option_type)
214e1eca 4387{
de890a1e 4388 struct fio_option *o = &opts[0];
214e1eca 4389 while (o->name) {
de890a1e 4390 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4391 if (o->alias) {
4392 i++;
de890a1e 4393 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4394 }
214e1eca
JA		 4395
4396 i++;
4397 o++;
4398 assert(i < FIO_NR_OPTIONS);
4399 }
4400}
4401
de890a1e
SL		 4402void fio_options_set_ioengine_opts(struct option *long_options,
4403 struct thread_data *td)
4404{
4405 unsigned int i;
4406
4407 i = 0;
4408 while (long_options[i].name) {
4409 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4410 memset(&long_options[i], 0, sizeof(*long_options));
4411 break;
4412 }
4413 i++;
4414 }
4415
4416 /*
4417 * Just clear out the prior ioengine options.
4418 */
4419 if (!td || !td->eo)
4420 return;
4421
4422 options_to_lopts(td->io_ops->options, long_options, i,
4423 FIO_GETOPT_IOENGINE);
4424}
4425
4426void fio_options_dup_and_init(struct option *long_options)
4427{
4428 unsigned int i;
4429
9af4a244 4430 options_init(fio_options);
de890a1e
SL		 4431
4432 i = 0;
4433 while (long_options[i].name)
4434 i++;
4435
9af4a244 4436 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4437}
4438
74929ac2
JA		 4439struct fio_keyword {
4440 const char *word;
4441 const char *desc;
4442 char *replace;
4443};
4444
4445static struct fio_keyword fio_keywords[] = {
4446 {
4447 .word = "$pagesize",
4448 .desc = "Page size in the system",
4449 },
4450 {
4451 .word = "$mb_memory",
4452 .desc = "Megabytes of memory online",
4453 },
4454 {
4455 .word = "$ncpus",
4456 .desc = "Number of CPUs online in the system",
4457 },
4458 {
4459 .word = NULL,
4460 },
4461};
4462
af1dc266
JA		 4463void fio_keywords_exit(void)
4464{
4465 struct fio_keyword *kw;
4466
4467 kw = &fio_keywords[0];
4468 while (kw->word) {
4469 free(kw->replace);
4470 kw->replace = NULL;
4471 kw++;
4472 }
4473}
4474
74929ac2
JA		 4475void fio_keywords_init(void)
4476{
3b2e1464 4477 unsigned long long mb_memory;
74929ac2
JA		 4478 char buf[128];
4479 long l;
4480
a4cfc477 4481 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4482 fio_keywords[0].replace = strdup(buf);
4483
8eb016d3 4484 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4485 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4486 fio_keywords[1].replace = strdup(buf);
4487
c00a2289 4488 l = cpus_online();
74929ac2
JA		 4489 sprintf(buf, "%lu", l);
4490 fio_keywords[2].replace = strdup(buf);
4491}
4492
892a6ffc
JA		 4493#define BC_APP "bc"
4494
4495static char *bc_calc(char *str)
4496{
d0c814ec 4497 char buf[128], *tmp;
892a6ffc
JA		 4498 FILE *f;
4499 int ret;
4500
4501 /*
4502 * No math, just return string
4503 */
d0c814ec
SL		 4504 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4505 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4506 return str;
4507
4508 /*
4509 * Split option from value, we only need to calculate the value
4510 */
4511 tmp = strchr(str, '=');
4512 if (!tmp)
4513 return str;
4514
4515 tmp++;
892a6ffc 4516
d0c814ec
SL		 4517 /*
4518 * Prevent buffer overflows; such a case isn't reasonable anyway
4519 */
4520 if (strlen(str) >= 128 || strlen(tmp) > 100)
4521 return str;
892a6ffc
JA		 4522
4523 sprintf(buf, "which %s > /dev/null", BC_APP);
4524 if (system(buf)) {
4525 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4526 return NULL;
4527 }
4528
d0c814ec 4529 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4530 f = popen(buf, "r");
3c3ed070 4531 if (!f)
892a6ffc 4532 return NULL;
892a6ffc 4533
d0c814ec 4534 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4535 if (ret <= 0) {
4536 pclose(f);
892a6ffc 4537 return NULL;
1d824f37 4538 }
892a6ffc 4539
892a6ffc 4540 pclose(f);
d0c814ec
SL		 4541 buf[(tmp - str) + ret - 1] = '\0';
4542 memcpy(buf, str, tmp - str);
892a6ffc 4543 free(str);
d0c814ec
SL		 4544 return strdup(buf);
4545}
4546
4547/*
4548 * Return a copy of the input string with substrings of the form ${VARNAME}
4549 * substituted with the value of the environment variable VARNAME. The
4550 * substitution always occurs, even if VARNAME is empty or the corresponding
4551 * environment variable undefined.
4552 */
4553static char *option_dup_subs(const char *opt)
4554{
4555 char out[OPT_LEN_MAX+1];
4556 char in[OPT_LEN_MAX+1];
4557 char *outptr = out;
4558 char *inptr = in;
4559 char *ch1, *ch2, *env;
4560 ssize_t nchr = OPT_LEN_MAX;
4561 size_t envlen;
4562
4563 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4564 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4565 return NULL;
4566 }
4567
4568 in[OPT_LEN_MAX] = '\0';
4569 strncpy(in, opt, OPT_LEN_MAX);
4570
4571 while (*inptr && nchr > 0) {
4572 if (inptr[0] == '$' && inptr[1] == '{') {
4573 ch2 = strchr(inptr, '}');
4574 if (ch2 && inptr+1 < ch2) {
4575 ch1 = inptr+2;
4576 inptr = ch2+1;
4577 *ch2 = '\0';
4578
4579 env = getenv(ch1);
4580 if (env) {
4581 envlen = strlen(env);
4582 if (envlen <= nchr) {
4583 memcpy(outptr, env, envlen);
4584 outptr += envlen;
4585 nchr -= envlen;
4586 }
4587 }
4588
4589 continue;
4590 }
4591 }
4592
4593 *outptr++ = *inptr++;
4594 --nchr;
4595 }
4596
4597 *outptr = '\0';
4598 return strdup(out);
892a6ffc
JA		 4599}
4600
74929ac2
JA		 4601/*
4602 * Look for reserved variable names and replace them with real values
4603 */
4604static char *fio_keyword_replace(char *opt)
4605{
4606 char *s;
4607 int i;
d0c814ec 4608 int docalc = 0;
74929ac2
JA		 4609
4610 for (i = 0; fio_keywords[i].word != NULL; i++) {
4611 struct fio_keyword *kw = &fio_keywords[i];
4612
4613 while ((s = strstr(opt, kw->word)) != NULL) {
4614 char *new = malloc(strlen(opt) + 1);
4615 char *o_org = opt;
4616 int olen = s - opt;
4617 int len;
4618
4619 /*
4620 * Copy part of the string before the keyword and
4621 * sprintf() the replacement after it.
4622 */
4623 memcpy(new, opt, olen);
4624 len = sprintf(new + olen, "%s", kw->replace);
4625
4626 /*
4627 * If there's more in the original string, copy that
4628 * in too
4629 */
4630 opt += strlen(kw->word) + olen;
4631 if (strlen(opt))
4632 memcpy(new + olen + len, opt, opt - o_org - 1);
4633
4634 /*
4635 * replace opt and free the old opt
4636 */
4637 opt = new;
d0c814ec 4638 free(o_org);
7a958bd5 4639
d0c814ec 4640 docalc = 1;
74929ac2
JA		 4641 }
4642 }
4643
d0c814ec
SL		 4644 /*
4645 * Check for potential math and invoke bc, if possible
4646 */
4647 if (docalc)
4648 opt = bc_calc(opt);
4649
7a958bd5 4650 return opt;
74929ac2
JA		 4651}
4652
d0c814ec
SL		 4653static char **dup_and_sub_options(char **opts, int num_opts)
4654{
4655 int i;
4656 char **opts_copy = malloc(num_opts * sizeof(*opts));
4657 for (i = 0; i < num_opts; i++) {
4658 opts_copy[i] = option_dup_subs(opts[i]);
4659 if (!opts_copy[i])
4660 continue;
4661 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4662 }
4663 return opts_copy;
4664}
4665
e15b023b 4666static void show_closest_option(const char *opt)
a2d027b9
JA		 4667{
4668 int best_option, best_distance;
4669 int i, distance;
e15b023b
JA		 4670 char *name;
4671
4672 if (!strlen(opt))
4673 return;
4674
4675 name = strdup(opt);
4676 i = 0;
4677 while (name[i] != '\0' && name[i] != '=')
4678 i++;
4679 name[i] = '\0';
a2d027b9
JA		 4680
4681 best_option = -1;
4682 best_distance = INT_MAX;
4683 i = 0;
4684 while (fio_options[i].name) {
4685 distance = string_distance(name, fio_options[i].name);
4686 if (distance < best_distance) {
4687 best_distance = distance;
4688 best_option = i;
4689 }
4690 i++;
4691 }
4692
75e6bcba
JA		 4693 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4694 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4695 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4696
4697 free(name);
a2d027b9
JA		 4698}
4699
c2292325 4700int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4701{
de890a1e 4702 int i, ret, unknown;
d0c814ec 4703 char **opts_copy;
3b8b7135 4704
9af4a244 4705 sort_options(opts, fio_options, num_opts);
d0c814ec 4706 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4707
de890a1e
SL		 4708 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4709 struct fio_option *o;
9af4a244 4710 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4711 &o, &td->o, &td->opt_list);
d0c814ec 4712
a8523a6a
JA		 4713 if (!newret && o)
4714 fio_option_mark_set(&td->o, o);
4715
de890a1e
SL		 4716 if (opts_copy[i]) {
4717 if (newret && !o) {
4718 unknown++;
4719 continue;
4720 }
d0c814ec 4721 free(opts_copy[i]);
de890a1e
SL		 4722 opts_copy[i] = NULL;
4723 }
4724
4725 ret |= newret;
4726 }
4727
4728 if (unknown) {
4729 ret |= ioengine_load(td);
4730 if (td->eo) {
4731 sort_options(opts_copy, td->io_ops->options, num_opts);
4732 opts = opts_copy;
4733 }
4734 for (i = 0; i < num_opts; i++) {
4735 struct fio_option *o = NULL;
4736 int newret = 1;
a2d027b9 4737
de890a1e
SL		 4738 if (!opts_copy[i])
4739 continue;
4740
4741 if (td->eo)
4742 newret = parse_option(opts_copy[i], opts[i],
4743 td->io_ops->options, &o,
66e19a38 4744 td->eo, &td->opt_list);
de890a1e
SL		 4745
4746 ret |= newret;
a2d027b9 4747 if (!o) {
de890a1e 4748 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4749 show_closest_option(opts[i]);
4750 }
de890a1e
SL		 4751 free(opts_copy[i]);
4752 opts_copy[i] = NULL;
4753 }
74929ac2 4754 }
3b8b7135 4755
d0c814ec 4756 free(opts_copy);
3b8b7135 4757 return ret;
214e1eca
JA		 4758}
4759
4760int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4761{
a8523a6a
JA		 4762 int ret;
4763
a609f12a 4764 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a
JA		 4765 if (!ret) {
4766 struct fio_option *o;
4767
4768 o = find_option(fio_options, opt);
4769 if (o)
4770 fio_option_mark_set(&td->o, o);
4771 }
4772
4773 return ret;
214e1eca
JA		 4774}
4775
de890a1e
SL		 4776int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4777 char *val)
4778{
d8b4f395
JA		 4779 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4780 &td->opt_list);
de890a1e
SL		 4781}
4782
214e1eca
JA		 4783void fio_fill_default_options(struct thread_data *td)
4784{
cb1402d6 4785 td->o.magic = OPT_MAGIC;
a609f12a 4786 fill_default_options(&td->o, fio_options);
214e1eca
JA		 4787}
4788
4789int fio_show_option_help(const char *opt)
4790{
9af4a244 4791 return show_cmd_help(fio_options, opt);
214e1eca 4792}
d23bb327 4793
de890a1e
SL		 4794/*
4795 * dupe FIO_OPT_STR_STORE options
4796 */
4797void fio_options_mem_dupe(struct thread_data *td)
4798{
53b5693d 4799 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 4800
4801 if (td->eo && td->io_ops) {
de890a1e 4802 void *oldeo = td->eo;
1647f592 4803
de890a1e
SL		 4804 td->eo = malloc(td->io_ops->option_struct_size);
4805 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 4806 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 4807 }
4808}
4809
d6978a32
JA		 4810unsigned int fio_get_kb_base(void *data)
4811{
a609f12a
JA		 4812 struct thread_data *td = cb_data_to_td(data);
4813 struct thread_options *o = &td->o;
d6978a32
JA		 4814 unsigned int kb_base = 0;
4815
cb1402d6
JA		 4816 /*
4817 * This is a hack... For private options, *data is not holding
4818 * a pointer to the thread_options, but to private data. This means
4819 * we can't safely dereference it, but magic is first so mem wise
4820 * it is valid. But this also means that if the job first sets
4821 * kb_base and expects that to be honored by private options,
4822 * it will be disappointed. We will return the global default
4823 * for this.
4824 */
4825 if (o && o->magic == OPT_MAGIC)
83ea422a 4826 kb_base = o->kb_base;
d6978a32
JA		 4827 if (!kb_base)
4828 kb_base = 1024;
4829
4830 return kb_base;
4831}
9f988e2e 4832
07b3232d 4833int add_option(struct fio_option *o)
9f988e2e 4834{
07b3232d
JA		 4835 struct fio_option *__o;
4836 int opt_index = 0;
4837
9af4a244 4838 __o = fio_options;
07b3232d
JA		 4839 while (__o->name) {
4840 opt_index++;
4841 __o++;
4842 }
4843
7b504edd
JA		 4844 if (opt_index + 1 == FIO_MAX_OPTS) {
4845 log_err("fio: FIO_MAX_OPTS is too small\n");
4846 return 1;
4847 }
4848
9af4a244 4849 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4850 fio_options[opt_index + 1].name = NULL;
07b3232d 4851 return 0;
9f988e2e 4852}
e2de69da 4853
07b3232d 4854void invalidate_profile_options(const char *prof_name)
e2de69da 4855{
07b3232d 4856 struct fio_option *o;
e2de69da 4857
9af4a244 4858 o = fio_options;
07b3232d
JA		 4859 while (o->name) {
4860 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4861 o->type = FIO_OPT_INVALID;
4862 o->prof_name = NULL;
4863 }
4864 o++;
e2de69da
JA		 4865 }
4866}
f5b6bb85
JA		 4867
4868void add_opt_posval(const char *optname, const char *ival, const char *help)
4869{
4870 struct fio_option *o;
4871 unsigned int i;
4872
9af4a244 4873 o = find_option(fio_options, optname);
f5b6bb85
JA		 4874 if (!o)
4875 return;
4876
4877 for (i = 0; i < PARSE_MAX_VP; i++) {
4878 if (o->posval[i].ival)
4879 continue;
4880
4881 o->posval[i].ival = ival;
4882 o->posval[i].help = help;
4883 break;
4884 }
4885}
4886
4887void del_opt_posval(const char *optname, const char *ival)
4888{
4889 struct fio_option *o;
4890 unsigned int i;
4891
9af4a244 4892 o = find_option(fio_options, optname);
f5b6bb85
JA		 4893 if (!o)
4894 return;
4895
4896 for (i = 0; i < PARSE_MAX_VP; i++) {
4897 if (!o->posval[i].ival)
4898 continue;
4899 if (strcmp(o->posval[i].ival, ival))
4900 continue;
4901
4902 o->posval[i].ival = NULL;
4903 o->posval[i].help = NULL;
4904 }
4905}
7e356b2d
JA		 4906
4907void fio_options_free(struct thread_data *td)
4908{
ca6336a8 4909 options_free(fio_options, &td->o);
de890a1e
SL		 4910 if (td->eo && td->io_ops && td->io_ops->options) {
4911 options_free(td->io_ops->options, td->eo);
4912 free(td->eo);
4913 td->eo = NULL;
4914 }
7e356b2d 4915}
c504ee55
JA		 4916
4917struct fio_option *fio_option_find(const char *name)
4918{
4919 return find_option(fio_options, name);
4920}
4921
f0e7f45a
JA		 4922static struct fio_option *find_next_opt(struct thread_options *o,
4923 struct fio_option *from,
4924 unsigned int off1)
a8523a6a 4925{
f0e7f45a 4926 struct fio_option *opt;
a8523a6a 4927
f0e7f45a
JA		 4928 if (!from)
4929 from = &fio_options[0];
4930 else
4931 from++;
4932
4933 opt = NULL;
4934 do {
4935 if (off1 == from->off1) {
4936 opt = from;
a8523a6a
JA		 4937 break;
4938 }
f0e7f45a
JA		 4939 from++;
4940 } while (from->name);
a8523a6a 4941
f0e7f45a
JA		 4942 return opt;
4943}
4944
4945static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4946{
4947 unsigned int opt_off, index, offset;
a8523a6a
JA		 4948
4949 opt_off = opt - &fio_options[0];
4950 index = opt_off / (8 * sizeof(uint64_t));
4951 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4952 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 4953}
4954
72f39748 4955bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 4956{
4957 struct fio_option *opt, *next;
4958
4959 next = NULL;
4960 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4961 if (opt_is_set(o, opt))
72f39748 4962 return true;
f0e7f45a
JA		 4963
4964 next = opt;
4965 }
4966
72f39748 4967 return false;
f0e7f45a
JA		 4968}
4969
a8523a6a
JA		 4970void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4971{
4972 unsigned int opt_off, index, offset;
4973
4974 opt_off = opt - &fio_options[0];
4975 index = opt_off / (8 * sizeof(uint64_t));
4976 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4977 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 4978}
fio - Flexible IO Tester