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Merge git://git.kernel.dk/fio into steady-state
[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
1236 if (!td->files_index)
2dc1bbeb 1237 td->o.nr_files = 0;
214e1eca 1238
bcbfeefa 1239 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA		 1240 if (!strlen(fname))
1241 break;
5903e7b7 1242 add_file(td, fname, 0, 1);
214e1eca
JA		 1243 }
1244
1245 free(p);
1246 return 0;
1247}
1248
bcbfeefa 1249static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1250{
a609f12a 1251 struct thread_data *td = cb_data_to_td(data);
214e1eca 1252 struct stat sb;
bcbfeefa
CE		 1253 char *dirname, *str, *p;
1254 int ret = 0;
214e1eca 1255
f9633d72
JA		 1256 if (parse_dryrun())
1257 return 0;
1258
bcbfeefa
CE		 1259 p = str = strdup(td->o.directory);
1260 while ((dirname = get_next_name(&str)) != NULL) {
1261 if (lstat(dirname, &sb) < 0) {
1262 ret = errno;
921c766f 1263
bcbfeefa
CE		 1264 log_err("fio: %s is not a directory\n", dirname);
1265 td_verror(td, ret, "lstat");
1266 goto out;
1267 }
1268 if (!S_ISDIR(sb.st_mode)) {
1269 log_err("fio: %s is not a directory\n", dirname);
1270 ret = 1;
1271 goto out;
1272 }
214e1eca
JA		 1273 }
1274
bcbfeefa
CE		 1275out:
1276 free(p);
1277 return ret;
214e1eca
JA		 1278}
1279
1280static int str_opendir_cb(void *data, const char fio_unused *str)
1281{
a609f12a 1282 struct thread_data *td = cb_data_to_td(data);
214e1eca 1283
52c0cea3
JA		 1284 if (parse_dryrun())
1285 return 0;
1286
214e1eca 1287 if (!td->files_index)
2dc1bbeb 1288 td->o.nr_files = 0;
214e1eca 1289
2dc1bbeb 1290 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1291}
1292
ce35b1ec
JA		 1293static int str_buffer_pattern_cb(void *data, const char *input)
1294{
a609f12a 1295 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1296 int ret;
1297
61b9861d
RP		 1298 /* FIXME: for now buffer pattern does not support formats */
1299 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1300 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1301 if (ret < 0)
1302 return 1;
ce35b1ec 1303
61b9861d
RP		 1304 assert(ret != 0);
1305 td->o.buffer_pattern_bytes = ret;
1306 if (!td->o.compress_percentage)
1307 td->o.refill_buffers = 0;
1308 td->o.scramble_buffers = 0;
1309 td->o.zero_buffers = 0;
efcd9dcc 1310
61b9861d 1311 return 0;
ce35b1ec
JA		 1312}
1313
bedc9dc2
JA		 1314static int str_buffer_compress_cb(void *data, unsigned long long *il)
1315{
a609f12a 1316 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA		 1317
1318 td->flags |= TD_F_COMPRESS;
1319 td->o.compress_percentage = *il;
1320 return 0;
1321}
1322
5c94b008
JA		 1323static int str_dedupe_cb(void *data, unsigned long long *il)
1324{
a609f12a 1325 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA		 1326
1327 td->flags |= TD_F_COMPRESS;
1328 td->o.dedupe_percentage = *il;
1329 td->o.refill_buffers = 1;
1330 return 0;
1331}
1332
ce35b1ec
JA		 1333static int str_verify_pattern_cb(void *data, const char *input)
1334{
a609f12a 1335 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1336 int ret;
1337
61b9861d
RP		 1338 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1339 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA		 1340 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1341 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1342 if (ret < 0)
1343 return 1;
efcd9dcc 1344
61b9861d
RP		 1345 assert(ret != 0);
1346 td->o.verify_pattern_bytes = ret;
92bf48d5 1347 /*
b638d82f 1348 * VERIFY_* could already be set
92bf48d5 1349 */
61b9861d 1350 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1351 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1352
61b9861d 1353 return 0;
90059d65 1354}
214e1eca 1355
993bf48b
JA		 1356static int str_gtod_reduce_cb(void *data, int *il)
1357{
a609f12a 1358 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA		 1359 int val = *il;
1360
02af0988 1361 td->o.disable_lat = !!val;
993bf48b
JA		 1362 td->o.disable_clat = !!val;
1363 td->o.disable_slat = !!val;
1364 td->o.disable_bw = !!val;
0dc1bc03 1365 td->o.clat_percentiles = !val;
993bf48b
JA		 1366 if (val)
1367 td->tv_cache_mask = 63;
1368
1369 return 0;
1370}
1371
7bb59102
JA		 1372static int str_size_cb(void *data, unsigned long long *__val)
1373{
a609f12a 1374 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA		 1375 unsigned long long v = *__val;
1376
1377 if (parse_is_percent(v)) {
1378 td->o.size = 0;
1379 td->o.size_percent = -1ULL - v;
1380 } else
1381 td->o.size = v;
1382
1383 return 0;
1384}
1385
dded427c
OS		 1386static int str_write_bw_log_cb(void *data, const char *str)
1387{
1388 struct thread_data *td = cb_data_to_td(data);
1389
1390 if (str)
1391 td->o.bw_log_file = strdup(str);
1392
1393 td->o.write_bw_log = 1;
1394 return 0;
1395}
1396
1397static int str_write_lat_log_cb(void *data, const char *str)
1398{
1399 struct thread_data *td = cb_data_to_td(data);
1400
1401 if (str)
1402 td->o.lat_log_file = strdup(str);
1403
1404 td->o.write_lat_log = 1;
1405 return 0;
1406}
1407
1408static int str_write_iops_log_cb(void *data, const char *str)
1409{
1410 struct thread_data *td = cb_data_to_td(data);
1411
1412 if (str)
1413 td->o.iops_log_file = strdup(str);
1414
1415 td->o.write_iops_log = 1;
1416 return 0;
1417}
1418
1419static int str_write_hist_log_cb(void *data, const char *str)
1420{
1421 struct thread_data *td = cb_data_to_td(data);
1422
1423 if (str)
1424 td->o.hist_log_file = strdup(str);
1425
1426 td->o.write_hist_log = 1;
1427 return 0;
1428}
1429
896cac2a
JA		 1430static int rw_verify(struct fio_option *o, void *data)
1431{
a609f12a 1432 struct thread_data *td = cb_data_to_td(data);
896cac2a
JA		 1433
1434 if (read_only && td_write(td)) {
1435 log_err("fio: job <%s> has write bit set, but fio is in"
1436 " read-only mode\n", td->o.name);
1437 return 1;
1438 }
1439
1440 return 0;
1441}
1442
276ca4f7 1443static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1444{
276ca4f7 1445#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1446 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1447
29d43ff9
JA		 1448 if (td->o.gtod_cpu) {
1449 log_err("fio: platform must support CPU affinity for"
1450 "gettimeofday() offloading\n");
1451 return 1;
1452 }
1453#endif
1454
1455 return 0;
1456}
1457
214e1eca
JA		 1458/*
1459 * Map of job/command line options
1460 */
9af4a244 1461struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1462 {
1463 .name = "description",
e8b0e958 1464 .lname = "Description of job",
214e1eca 1465 .type = FIO_OPT_STR_STORE,
a609f12a 1466 .off1 = offsetof(struct thread_options, description),
214e1eca 1467 .help = "Text job description",
e8b0e958 1468 .category = FIO_OPT_C_GENERAL,
0626037e 1469 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1470 },
1471 {
1472 .name = "name",
e8b0e958 1473 .lname = "Job name",
214e1eca 1474 .type = FIO_OPT_STR_STORE,
a609f12a 1475 .off1 = offsetof(struct thread_options, name),
214e1eca 1476 .help = "Name of this job",
e8b0e958 1477 .category = FIO_OPT_C_GENERAL,
0626037e 1478 .group = FIO_OPT_G_DESC,
214e1eca 1479 },
9cc8cb91
AK		 1480 {
1481 .name = "wait_for",
1482 .lname = "Waitee name",
1483 .type = FIO_OPT_STR_STORE,
a609f12a 1484 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1485 .help = "Name of the job this one wants to wait for before starting",
1486 .category = FIO_OPT_C_GENERAL,
1487 .group = FIO_OPT_G_DESC,
1488 },
214e1eca
JA		 1489 {
1490 .name = "filename",
e8b0e958 1491 .lname = "Filename(s)",
214e1eca 1492 .type = FIO_OPT_STR_STORE,
a609f12a 1493 .off1 = offsetof(struct thread_options, filename),
214e1eca 1494 .cb = str_filename_cb,
f0d524b0 1495 .prio = -1, /* must come after "directory" */
214e1eca 1496 .help = "File(s) to use for the workload",
e8b0e958 1497 .category = FIO_OPT_C_FILE,
0626037e 1498 .group = FIO_OPT_G_FILENAME,
214e1eca 1499 },
90fef2d1 1500 {
e8b0e958
JA		 1501 .name = "directory",
1502 .lname = "Directory",
1503 .type = FIO_OPT_STR_STORE,
a609f12a 1504 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1505 .cb = str_directory_cb,
1506 .help = "Directory to store files in",
1507 .category = FIO_OPT_C_FILE,
0626037e 1508 .group = FIO_OPT_G_FILENAME,
90fef2d1 1509 },
de98bd30
JA		 1510 {
1511 .name = "filename_format",
922a5be8 1512 .lname = "Filename Format",
de98bd30 1513 .type = FIO_OPT_STR_STORE,
a609f12a 1514 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1515 .prio = -1, /* must come after "directory" */
1516 .help = "Override default $jobname.$jobnum.$filenum naming",
1517 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1518 .category = FIO_OPT_C_FILE,
1519 .group = FIO_OPT_G_FILENAME,
ad705bcb 1520 },
922a5be8
JA		 1521 {
1522 .name = "unique_filename",
1523 .lname = "Unique Filename",
1524 .type = FIO_OPT_BOOL,
a609f12a 1525 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1526 .help = "For network clients, prefix file with source IP",
1527 .def = "1",
1528 .category = FIO_OPT_C_FILE,
1529 .group = FIO_OPT_G_FILENAME,
1530 },
29c1349f
JA		 1531 {
1532 .name = "lockfile",
e8b0e958 1533 .lname = "Lockfile",
4d4e80f2 1534 .type = FIO_OPT_STR,
a609f12a 1535 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1536 .help = "Lock file when doing IO to it",
bc6a0a5d 1537 .prio = 1,
29c1349f 1538 .parent = "filename",
d71c154c 1539 .hide = 0,
4d4e80f2 1540 .def = "none",
e8b0e958 1541 .category = FIO_OPT_C_FILE,
0626037e 1542 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1543 .posval = {
1544 { .ival = "none",
1545 .oval = FILE_LOCK_NONE,
1546 .help = "No file locking",
1547 },
1548 { .ival = "exclusive",
1549 .oval = FILE_LOCK_EXCLUSIVE,
1550 .help = "Exclusive file lock",
1551 },
1552 {
1553 .ival = "readwrite",
1554 .oval = FILE_LOCK_READWRITE,
1555 .help = "Read vs write lock",
1556 },
1557 },
29c1349f 1558 },
214e1eca
JA		 1559 {
1560 .name = "opendir",
e8b0e958 1561 .lname = "Open directory",
214e1eca 1562 .type = FIO_OPT_STR_STORE,
a609f12a 1563 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1564 .cb = str_opendir_cb,
1565 .help = "Recursively add files from this directory and down",
e8b0e958 1566 .category = FIO_OPT_C_FILE,
0626037e 1567 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1568 },
1569 {
1570 .name = "rw",
e8b0e958 1571 .lname = "Read/write",
d3aad8f2 1572 .alias = "readwrite",
214e1eca 1573 .type = FIO_OPT_STR,
211097b2 1574 .cb = str_rw_cb,
a609f12a 1575 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1576 .help = "IO direction",
1577 .def = "read",
896cac2a 1578 .verify = rw_verify,
e8b0e958 1579 .category = FIO_OPT_C_IO,
0626037e 1580 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1581 .posval = {
1582 { .ival = "read",
1583 .oval = TD_DDIR_READ,
1584 .help = "Sequential read",
1585 },
1586 { .ival = "write",
1587 .oval = TD_DDIR_WRITE,
1588 .help = "Sequential write",
1589 },
6eaf09d6
SL		 1590 { .ival = "trim",
1591 .oval = TD_DDIR_TRIM,
1592 .help = "Sequential trim",
1593 },
214e1eca
JA		 1594 { .ival = "randread",
1595 .oval = TD_DDIR_RANDREAD,
1596 .help = "Random read",
1597 },
1598 { .ival = "randwrite",
1599 .oval = TD_DDIR_RANDWRITE,
1600 .help = "Random write",
1601 },
6eaf09d6
SL		 1602 { .ival = "randtrim",
1603 .oval = TD_DDIR_RANDTRIM,
1604 .help = "Random trim",
1605 },
214e1eca
JA		 1606 { .ival = "rw",
1607 .oval = TD_DDIR_RW,
1608 .help = "Sequential read and write mix",
1609 },
10b023db
JA		 1610 { .ival = "readwrite",
1611 .oval = TD_DDIR_RW,
1612 .help = "Sequential read and write mix",
1613 },
214e1eca
JA		 1614 { .ival = "randrw",
1615 .oval = TD_DDIR_RANDRW,
1616 .help = "Random read and write mix"
1617 },
82a90686
JA		 1618 { .ival = "trimwrite",
1619 .oval = TD_DDIR_TRIMWRITE,
1620 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1621 },
214e1eca
JA		 1622 },
1623 },
38dad62d
JA		 1624 {
1625 .name = "rw_sequencer",
e8b0e958 1626 .lname = "RW Sequencer",
38dad62d 1627 .type = FIO_OPT_STR,
a609f12a 1628 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1629 .help = "IO offset generator modifier",
1630 .def = "sequential",
e8b0e958 1631 .category = FIO_OPT_C_IO,
0626037e 1632 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1633 .posval = {
1634 { .ival = "sequential",
1635 .oval = RW_SEQ_SEQ,
1636 .help = "Generate sequential offsets",
1637 },
1638 { .ival = "identical",
1639 .oval = RW_SEQ_IDENT,
1640 .help = "Generate identical offsets",
1641 },
1642 },
1643 },
1644
214e1eca
JA		 1645 {
1646 .name = "ioengine",
e8b0e958 1647 .lname = "IO Engine",
214e1eca 1648 .type = FIO_OPT_STR_STORE,
a609f12a 1649 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1650 .help = "IO engine to use",
58483fa4 1651 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1652 .category = FIO_OPT_C_IO,
0626037e 1653 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1654 .posval = {
1655 { .ival = "sync",
1656 .help = "Use read/write",
1657 },
a31041ea 1658 { .ival = "psync",
1659 .help = "Use pread/pwrite",
1660 },
1d2af02a 1661 { .ival = "vsync",
03e20d68 1662 .help = "Use readv/writev",
1d2af02a 1663 },
07fc0acd
JA		 1664#ifdef CONFIG_PWRITEV
1665 { .ival = "pvsync",
1666 .help = "Use preadv/pwritev",
1667 },
1668#endif
6562685f 1669#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1670 { .ival = "pvsync2",
1671 .help = "Use preadv2/pwritev2",
1672 },
1673#endif
67bf9823 1674#ifdef CONFIG_LIBAIO
214e1eca
JA		 1675 { .ival = "libaio",
1676 .help = "Linux native asynchronous IO",
1677 },
1678#endif
67bf9823 1679#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1680 { .ival = "posixaio",
1681 .help = "POSIX asynchronous IO",
1682 },
417f0068 1683#endif
997843cb 1684#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1685 { .ival = "solarisaio",
1686 .help = "Solaris native asynchronous IO",
1687 },
214e1eca 1688#endif
4700b234 1689#ifdef CONFIG_WINDOWSAIO
03e20d68 1690 { .ival = "windowsaio",
3be80071 1691 .help = "Windows native asynchronous IO"
de890a1e 1692 },
fc5c0345
DG		 1693#endif
1694#ifdef CONFIG_RBD
1695 { .ival = "rbd",
1696 .help = "Rados Block Device asynchronous IO"
1697 },
3be80071 1698#endif
214e1eca 1699 { .ival = "mmap",
03e20d68 1700 .help = "Memory mapped IO"
214e1eca 1701 },
67bf9823 1702#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1703 { .ival = "splice",
1704 .help = "splice/vmsplice based IO",
1705 },
9cce02e8
JA		 1706 { .ival = "netsplice",
1707 .help = "splice/vmsplice to/from the network",
1708 },
214e1eca
JA		 1709#endif
1710#ifdef FIO_HAVE_SGIO
1711 { .ival = "sg",
1712 .help = "SCSI generic v3 IO",
1713 },
1714#endif
1715 { .ival = "null",
1716 .help = "Testing engine (no data transfer)",
1717 },
1718 { .ival = "net",
1719 .help = "Network IO",
1720 },
214e1eca 1721 { .ival = "cpuio",
03e20d68 1722 .help = "CPU cycle burner engine",
214e1eca 1723 },
67bf9823 1724#ifdef CONFIG_GUASI
b8c82a46
JA		 1725 { .ival = "guasi",
1726 .help = "GUASI IO engine",
1727 },
79a43187
JA		 1728#endif
1729#ifdef FIO_HAVE_BINJECT
1730 { .ival = "binject",
1731 .help = "binject direct inject block engine",
1732 },
21b8aee8 1733#endif
67bf9823 1734#ifdef CONFIG_RDMA
21b8aee8 1735 { .ival = "rdma",
1736 .help = "RDMA IO engine",
1737 },
8200b8c7 1738#endif
67bf9823 1739#ifdef CONFIG_FUSION_AW
8200b8c7
JA		 1740 { .ival = "fusion-aw-sync",
1741 .help = "Fusion-io atomic write engine",
1742 },
1ecc95ca 1743#endif
997843cb 1744#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1745 { .ival = "e4defrag",
1746 .help = "ext4 defrag engine",
1747 },
1748#endif
997843cb 1749#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1750 { .ival = "falloc",
1751 .help = "fallocate() file based engine",
1752 },
b8c82a46 1753#endif
a7c386f4 1754#ifdef CONFIG_GFAPI
1755 { .ival = "gfapi",
cc47f094 1756 .help = "Glusterfs libgfapi(sync) based engine"
1757 },
1758 { .ival = "gfapi_async",
1759 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1760 },
1761#endif
1b10477b 1762#ifdef CONFIG_LIBHDFS
b74e419e 1763 { .ival = "libhdfs",
1b10477b
MM		 1764 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1765 },
5c4ef02e
JA		 1766#endif
1767#ifdef CONFIG_PMEMBLK
1768 { .ival = "pmemblk",
1769 .help = "NVML libpmemblk based IO engine",
1770 },
1771
1b10477b 1772#endif
214e1eca
JA		 1773 { .ival = "external",
1774 .help = "Load external engine (append name)",
1775 },
1776 },
1777 },
1778 {
1779 .name = "iodepth",
e8b0e958 1780 .lname = "IO Depth",
214e1eca 1781 .type = FIO_OPT_INT,
a609f12a 1782 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1783 .help = "Number of IO buffers to keep in flight",
757aff4f 1784 .minval = 1,
20eb06bd 1785 .interval = 1,
214e1eca 1786 .def = "1",
e8b0e958 1787 .category = FIO_OPT_C_IO,
0626037e 1788 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1789 },
1790 {
1791 .name = "iodepth_batch",
e8b0e958 1792 .lname = "IO Depth batch",
4950421a 1793 .alias = "iodepth_batch_submit",
214e1eca 1794 .type = FIO_OPT_INT,
a609f12a 1795 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1796 .help = "Number of IO buffers to submit in one go",
afdf9352 1797 .parent = "iodepth",
d71c154c 1798 .hide = 1,
20eb06bd 1799 .interval = 1,
a2e6f8ac 1800 .def = "1",
e8b0e958 1801 .category = FIO_OPT_C_IO,
0626037e 1802 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1803 },
1804 {
82407585
RP		 1805 .name = "iodepth_batch_complete_min",
1806 .lname = "Min IO depth batch complete",
1807 .alias = "iodepth_batch_complete",
4950421a 1808 .type = FIO_OPT_INT,
a609f12a 1809 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1810 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1811 .parent = "iodepth",
d71c154c 1812 .hide = 1,
4950421a 1813 .minval = 0,
20eb06bd 1814 .interval = 1,
4950421a 1815 .def = "1",
e8b0e958 1816 .category = FIO_OPT_C_IO,
0626037e 1817 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1818 },
82407585
RP		 1819 {
1820 .name = "iodepth_batch_complete_max",
1821 .lname = "Max IO depth batch complete",
1822 .type = FIO_OPT_INT,
a609f12a 1823 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1824 .help = "Max number of IO buffers to retrieve in one go",
1825 .parent = "iodepth",
1826 .hide = 1,
1827 .minval = 0,
1828 .interval = 1,
1829 .category = FIO_OPT_C_IO,
1830 .group = FIO_OPT_G_IO_BASIC,
1831 },
214e1eca
JA		 1832 {
1833 .name = "iodepth_low",
e8b0e958 1834 .lname = "IO Depth batch low",
214e1eca 1835 .type = FIO_OPT_INT,
a609f12a 1836 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1837 .help = "Low water mark for queuing depth",
afdf9352 1838 .parent = "iodepth",
d71c154c 1839 .hide = 1,
20eb06bd 1840 .interval = 1,
e8b0e958 1841 .category = FIO_OPT_C_IO,
0626037e 1842 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1843 },
a9da8ab2
JA		 1844 {
1845 .name = "io_submit_mode",
1846 .lname = "IO submit mode",
1847 .type = FIO_OPT_STR,
a609f12a 1848 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1849 .help = "How IO submissions and completions are done",
1850 .def = "inline",
1851 .category = FIO_OPT_C_IO,
1852 .group = FIO_OPT_G_IO_BASIC,
1853 .posval = {
1854 { .ival = "inline",
1855 .oval = IO_MODE_INLINE,
1856 .help = "Submit and complete IO inline",
1857 },
1858 { .ival = "offload",
1859 .oval = IO_MODE_OFFLOAD,
1860 .help = "Offload submit and complete to threads",
1861 },
1862 },
1863 },
214e1eca
JA		 1864 {
1865 .name = "size",
e8b0e958 1866 .lname = "Size",
214e1eca 1867 .type = FIO_OPT_STR_VAL,
7bb59102 1868 .cb = str_size_cb,
a609f12a 1869 .off1 = offsetof(struct thread_options, size),
214e1eca 1870 .help = "Total size of device or files",
20eb06bd 1871 .interval = 1024 * 1024,
e8b0e958
JA		 1872 .category = FIO_OPT_C_IO,
1873 .group = FIO_OPT_G_INVALID,
214e1eca 1874 },
77731b29 1875 {
a4d3b4db
JA		 1876 .name = "io_size",
1877 .alias = "io_limit",
1878 .lname = "IO Size",
77731b29 1879 .type = FIO_OPT_STR_VAL,
a609f12a 1880 .off1 = offsetof(struct thread_options, io_limit),
77731b29
JA		 1881 .interval = 1024 * 1024,
1882 .category = FIO_OPT_C_IO,
1883 .group = FIO_OPT_G_INVALID,
1884 },
aa31f1f1
SL		 1885 {
1886 .name = "fill_device",
e8b0e958 1887 .lname = "Fill device",
74586c1e 1888 .alias = "fill_fs",
aa31f1f1 1889 .type = FIO_OPT_BOOL,
a609f12a 1890 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 1891 .help = "Write until an ENOSPC error occurs",
1892 .def = "0",
e8b0e958
JA		 1893 .category = FIO_OPT_C_FILE,
1894 .group = FIO_OPT_G_INVALID,
aa31f1f1 1895 },
214e1eca
JA		 1896 {
1897 .name = "filesize",
e8b0e958 1898 .lname = "File size",
214e1eca 1899 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 1900 .off1 = offsetof(struct thread_options, file_size_low),
1901 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 1902 .minval = 1,
214e1eca 1903 .help = "Size of individual files",
20eb06bd 1904 .interval = 1024 * 1024,
e8b0e958
JA		 1905 .category = FIO_OPT_C_FILE,
1906 .group = FIO_OPT_G_INVALID,
214e1eca 1907 },
bedc9dc2
JA		 1908 {
1909 .name = "file_append",
1910 .lname = "File append",
1911 .type = FIO_OPT_BOOL,
a609f12a 1912 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 1913 .help = "IO will start at the end of the file(s)",
1914 .def = "0",
1915 .category = FIO_OPT_C_FILE,
1916 .group = FIO_OPT_G_INVALID,
1917 },
67a1000f
JA		 1918 {
1919 .name = "offset",
e8b0e958 1920 .lname = "IO offset",
67a1000f
JA		 1921 .alias = "fileoffset",
1922 .type = FIO_OPT_STR_VAL,
a609f12a 1923 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 1924 .help = "Start IO from this offset",
1925 .def = "0",
20eb06bd 1926 .interval = 1024 * 1024,
e8b0e958
JA		 1927 .category = FIO_OPT_C_IO,
1928 .group = FIO_OPT_G_INVALID,
67a1000f 1929 },
2d7cd868
JA		 1930 {
1931 .name = "offset_increment",
e8b0e958 1932 .lname = "IO offset increment",
2d7cd868 1933 .type = FIO_OPT_STR_VAL,
a609f12a 1934 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 1935 .help = "What is the increment from one offset to the next",
1936 .parent = "offset",
d71c154c 1937 .hide = 1,
2d7cd868 1938 .def = "0",
20eb06bd 1939 .interval = 1024 * 1024,
e8b0e958
JA		 1940 .category = FIO_OPT_C_IO,
1941 .group = FIO_OPT_G_INVALID,
2d7cd868 1942 },
ddf24e42
JA		 1943 {
1944 .name = "number_ios",
1945 .lname = "Number of IOs to perform",
1946 .type = FIO_OPT_STR_VAL,
a609f12a 1947 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 1948 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1949 .def = "0",
1950 .category = FIO_OPT_C_IO,
1951 .group = FIO_OPT_G_INVALID,
1952 },
214e1eca
JA		 1953 {
1954 .name = "bs",
e8b0e958 1955 .lname = "Block size",
d3aad8f2 1956 .alias = "blocksize",
e01b22b8 1957 .type = FIO_OPT_INT,
a609f12a
JA		 1958 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
1959 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
1960 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 1961 .minval = 1,
214e1eca
JA		 1962 .help = "Block size unit",
1963 .def = "4k",
67a1000f 1964 .parent = "rw",
d71c154c 1965 .hide = 1,
20eb06bd 1966 .interval = 512,
e8b0e958
JA		 1967 .category = FIO_OPT_C_IO,
1968 .group = FIO_OPT_G_INVALID,
214e1eca 1969 },
2b7a01d0
JA		 1970 {
1971 .name = "ba",
e8b0e958 1972 .lname = "Block size align",
2b7a01d0 1973 .alias = "blockalign",
e01b22b8 1974 .type = FIO_OPT_INT,
a609f12a
JA		 1975 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
1976 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
1977 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 1978 .minval = 1,
1979 .help = "IO block offset alignment",
1980 .parent = "rw",
d71c154c 1981 .hide = 1,
20eb06bd 1982 .interval = 512,
e8b0e958
JA		 1983 .category = FIO_OPT_C_IO,
1984 .group = FIO_OPT_G_INVALID,
2b7a01d0 1985 },
214e1eca
JA		 1986 {
1987 .name = "bsrange",
e8b0e958 1988 .lname = "Block size range",
d3aad8f2 1989 .alias = "blocksize_range",
214e1eca 1990 .type = FIO_OPT_RANGE,
a609f12a
JA		 1991 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
1992 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
1993 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
1994 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
1995 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
1996 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 1997 .minval = 1,
214e1eca 1998 .help = "Set block size range (in more detail than bs)",
67a1000f 1999 .parent = "rw",
d71c154c 2000 .hide = 1,
20eb06bd 2001 .interval = 4096,
e8b0e958
JA		 2002 .category = FIO_OPT_C_IO,
2003 .group = FIO_OPT_G_INVALID,
214e1eca 2004 },
564ca972
JA		 2005 {
2006 .name = "bssplit",
e8b0e958 2007 .lname = "Block size split",
564ca972
JA		 2008 .type = FIO_OPT_STR,
2009 .cb = str_bssplit_cb,
a609f12a 2010 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2011 .help = "Set a specific mix of block sizes",
2012 .parent = "rw",
d71c154c 2013 .hide = 1,
e8b0e958
JA		 2014 .category = FIO_OPT_C_IO,
2015 .group = FIO_OPT_G_INVALID,
564ca972 2016 },
214e1eca
JA		 2017 {
2018 .name = "bs_unaligned",
e8b0e958 2019 .lname = "Block size unaligned",
d3aad8f2 2020 .alias = "blocksize_unaligned",
214e1eca 2021 .type = FIO_OPT_STR_SET,
a609f12a 2022 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2023 .help = "Don't sector align IO buffer sizes",
67a1000f 2024 .parent = "rw",
d71c154c 2025 .hide = 1,
e8b0e958
JA		 2026 .category = FIO_OPT_C_IO,
2027 .group = FIO_OPT_G_INVALID,
214e1eca 2028 },
6aca9b3d
JA		 2029 {
2030 .name = "bs_is_seq_rand",
2031 .lname = "Block size division is seq/random (not read/write)",
2032 .type = FIO_OPT_BOOL,
a609f12a 2033 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2034 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2035 .def = "0",
2036 .parent = "blocksize",
2037 .category = FIO_OPT_C_IO,
2038 .group = FIO_OPT_G_INVALID,
2039 },
214e1eca
JA		 2040 {
2041 .name = "randrepeat",
e8b0e958 2042 .lname = "Random repeatable",
214e1eca 2043 .type = FIO_OPT_BOOL,
a609f12a 2044 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2045 .help = "Use repeatable random IO pattern",
2046 .def = "1",
67a1000f 2047 .parent = "rw",
d71c154c 2048 .hide = 1,
e8b0e958 2049 .category = FIO_OPT_C_IO,
3ceb458f 2050 .group = FIO_OPT_G_RANDOM,
214e1eca 2051 },
04778baf
JA		 2052 {
2053 .name = "randseed",
2054 .lname = "The random generator seed",
363cffa7 2055 .type = FIO_OPT_STR_VAL,
a609f12a 2056 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2057 .help = "Set the random generator seed value",
40fe5e7b 2058 .def = "0x89",
04778baf
JA		 2059 .parent = "rw",
2060 .category = FIO_OPT_C_IO,
2061 .group = FIO_OPT_G_RANDOM,
2062 },
2615cc4b
JA		 2063 {
2064 .name = "use_os_rand",
e8b0e958 2065 .lname = "Use OS random",
54a21917 2066 .type = FIO_OPT_DEPRECATED,
a609f12a 2067 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2068 .category = FIO_OPT_C_IO,
3ceb458f 2069 .group = FIO_OPT_G_RANDOM,
2615cc4b 2070 },
214e1eca
JA		 2071 {
2072 .name = "norandommap",
e8b0e958 2073 .lname = "No randommap",
214e1eca 2074 .type = FIO_OPT_STR_SET,
a609f12a 2075 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2076 .help = "Accept potential duplicate random blocks",
67a1000f 2077 .parent = "rw",
d71c154c 2078 .hide = 1,
b2452a43 2079 .hide_on_set = 1,
e8b0e958 2080 .category = FIO_OPT_C_IO,
3ceb458f 2081 .group = FIO_OPT_G_RANDOM,
214e1eca 2082 },
2b386d25
JA		 2083 {
2084 .name = "softrandommap",
e8b0e958 2085 .lname = "Soft randommap",
2b386d25 2086 .type = FIO_OPT_BOOL,
a609f12a 2087 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2088 .help = "Set norandommap if randommap allocation fails",
2b386d25 2089 .parent = "norandommap",
d71c154c 2090 .hide = 1,
2b386d25 2091 .def = "0",
e8b0e958 2092 .category = FIO_OPT_C_IO,
3ceb458f 2093 .group = FIO_OPT_G_RANDOM,
2b386d25 2094 },
8055e41d
JA		 2095 {
2096 .name = "random_generator",
cce2fdfe 2097 .lname = "Random Generator",
8055e41d 2098 .type = FIO_OPT_STR,
a609f12a 2099 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2100 .help = "Type of random number generator to use",
2101 .def = "tausworthe",
2102 .posval = {
2103 { .ival = "tausworthe",
2104 .oval = FIO_RAND_GEN_TAUSWORTHE,
2105 .help = "Strong Tausworthe generator",
2106 },
2107 { .ival = "lfsr",
2108 .oval = FIO_RAND_GEN_LFSR,
2109 .help = "Variable length LFSR",
2110 },
c3546b53
JA		 2111 {
2112 .ival = "tausworthe64",
2113 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2114 .help = "64-bit Tausworthe variant",
2115 },
8055e41d 2116 },
48107598
JA		 2117 .category = FIO_OPT_C_IO,
2118 .group = FIO_OPT_G_RANDOM,
8055e41d 2119 },
e25839d4
JA		 2120 {
2121 .name = "random_distribution",
cce2fdfe 2122 .lname = "Random Distribution",
e25839d4 2123 .type = FIO_OPT_STR,
a609f12a 2124 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2125 .cb = str_random_distribution_cb,
2126 .help = "Random offset distribution generator",
2127 .def = "random",
2128 .posval = {
2129 { .ival = "random",
2130 .oval = FIO_RAND_DIST_RANDOM,
2131 .help = "Completely random",
2132 },
2133 { .ival = "zipf",
2134 .oval = FIO_RAND_DIST_ZIPF,
2135 .help = "Zipf distribution",
2136 },
925fee33
JA		 2137 { .ival = "pareto",
2138 .oval = FIO_RAND_DIST_PARETO,
2139 .help = "Pareto distribution",
2140 },
56d9fa4b
JA		 2141 { .ival = "normal",
2142 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2143 .help = "Normal (Gaussian) distribution",
56d9fa4b 2144 },
e0a04ac1
JA		 2145 { .ival = "zoned",
2146 .oval = FIO_RAND_DIST_ZONED,
2147 .help = "Zoned random distribution",
2148 },
2149
e25839d4 2150 },
48107598
JA		 2151 .category = FIO_OPT_C_IO,
2152 .group = FIO_OPT_G_RANDOM,
e25839d4 2153 },
211c9b89
JA		 2154 {
2155 .name = "percentage_random",
2156 .lname = "Percentage Random",
2157 .type = FIO_OPT_INT,
a609f12a
JA		 2158 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2159 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2160 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2161 .maxval = 100,
2162 .help = "Percentage of seq/random mix that should be random",
d9472271 2163 .def = "100,100,100",
211c9b89
JA		 2164 .interval = 5,
2165 .inverse = "percentage_sequential",
2166 .category = FIO_OPT_C_IO,
2167 .group = FIO_OPT_G_RANDOM,
2168 },
2169 {
2170 .name = "percentage_sequential",
2171 .lname = "Percentage Sequential",
d9472271 2172 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2173 .category = FIO_OPT_C_IO,
2174 .group = FIO_OPT_G_RANDOM,
2175 },
56e2a5fc
CE		 2176 {
2177 .name = "allrandrepeat",
cce2fdfe 2178 .lname = "All Random Repeat",
56e2a5fc 2179 .type = FIO_OPT_BOOL,
a609f12a 2180 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2181 .help = "Use repeatable random numbers for everything",
2182 .def = "0",
a869d9c6
JA		 2183 .category = FIO_OPT_C_IO,
2184 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2185 },
214e1eca
JA		 2186 {
2187 .name = "nrfiles",
e8b0e958 2188 .lname = "Number of files",
d7c8be03 2189 .alias = "nr_files",
214e1eca 2190 .type = FIO_OPT_INT,
a609f12a 2191 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2192 .help = "Split job workload between this number of files",
2193 .def = "1",
20eb06bd 2194 .interval = 1,
e8b0e958
JA		 2195 .category = FIO_OPT_C_FILE,
2196 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2197 },
2198 {
2199 .name = "openfiles",
e8b0e958 2200 .lname = "Number of open files",
214e1eca 2201 .type = FIO_OPT_INT,
a609f12a 2202 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2203 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2204 .category = FIO_OPT_C_FILE,
2205 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2206 },
2207 {
2208 .name = "file_service_type",
e8b0e958 2209 .lname = "File service type",
214e1eca
JA		 2210 .type = FIO_OPT_STR,
2211 .cb = str_fst_cb,
a609f12a 2212 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2213 .help = "How to select which file to service next",
2214 .def = "roundrobin",
e8b0e958
JA		 2215 .category = FIO_OPT_C_FILE,
2216 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2217 .posval = {
2218 { .ival = "random",
2219 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2220 .help = "Choose a file at random (uniform)",
2221 },
2222 { .ival = "zipf",
2223 .oval = FIO_FSERVICE_ZIPF,
2224 .help = "Zipf randomized",
2225 },
2226 { .ival = "pareto",
2227 .oval = FIO_FSERVICE_PARETO,
2228 .help = "Pareto randomized",
2229 },
2230 { .ival = "gauss",
2231 .oval = FIO_FSERVICE_GAUSS,
4e7a8814 2232 .help = "Normal (gaussian) distribution",
214e1eca
JA		 2233 },
2234 { .ival = "roundrobin",
2235 .oval = FIO_FSERVICE_RR,
2236 .help = "Round robin select files",
2237 },
a086c257
JA		 2238 { .ival = "sequential",
2239 .oval = FIO_FSERVICE_SEQ,
2240 .help = "Finish one file before moving to the next",
2241 },
214e1eca 2242 },
67a1000f 2243 .parent = "nrfiles",
d71c154c 2244 .hide = 1,
67a1000f 2245 },
97ac992c 2246#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2247 {
2248 .name = "fallocate",
e8b0e958 2249 .lname = "Fallocate",
a596f047 2250 .type = FIO_OPT_STR,
a609f12a 2251 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047
EG		 2252 .help = "Whether pre-allocation is performed when laying out files",
2253 .def = "posix",
e8b0e958
JA		 2254 .category = FIO_OPT_C_FILE,
2255 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2256 .posval = {
2257 { .ival = "none",
2258 .oval = FIO_FALLOCATE_NONE,
2259 .help = "Do not pre-allocate space",
2260 },
2261 { .ival = "posix",
2262 .oval = FIO_FALLOCATE_POSIX,
2263 .help = "Use posix_fallocate()",
2264 },
97ac992c 2265#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2266 { .ival = "keep",
2267 .oval = FIO_FALLOCATE_KEEP_SIZE,
2268 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2269 },
7bc8c2cf 2270#endif
a596f047
EG		 2271 /* Compatibility with former boolean values */
2272 { .ival = "0",
2273 .oval = FIO_FALLOCATE_NONE,
2274 .help = "Alias for 'none'",
2275 },
2276 { .ival = "1",
2277 .oval = FIO_FALLOCATE_POSIX,
2278 .help = "Alias for 'posix'",
2279 },
2280 },
2281 },
a275c37a
JA		 2282#else /* CONFIG_POSIX_FALLOCATE */
2283 {
2284 .name = "fallocate",
2285 .lname = "Fallocate",
2286 .type = FIO_OPT_UNSUPPORTED,
2287 .help = "Your platform does not support fallocate",
2288 },
2289#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2290 {
2291 .name = "fadvise_hint",
e8b0e958 2292 .lname = "Fadvise hint",
67a1000f 2293 .type = FIO_OPT_BOOL,
a609f12a 2294 .off1 = offsetof(struct thread_options, fadvise_hint),
67a1000f
JA		 2295 .help = "Use fadvise() to advise the kernel on IO pattern",
2296 .def = "1",
e8b0e958
JA		 2297 .category = FIO_OPT_C_FILE,
2298 .group = FIO_OPT_G_INVALID,
214e1eca 2299 },
37659335
JA		 2300#ifdef FIO_HAVE_STREAMID
2301 {
2302 .name = "fadvise_stream",
2303 .lname = "Fadvise stream",
2304 .type = FIO_OPT_INT,
a609f12a 2305 .off1 = offsetof(struct thread_options, fadvise_stream),
37659335
JA		 2306 .help = "Use fadvise() to set stream ID",
2307 .category = FIO_OPT_C_FILE,
2308 .group = FIO_OPT_G_INVALID,
2309 },
a275c37a 2310#else
54d0a315 2311 {
a275c37a
JA		 2312 .name = "fadvise_stream",
2313 .lname = "Fadvise stream",
2314 .type = FIO_OPT_UNSUPPORTED,
2315 .help = "Your platform does not support fadvise stream ID",
2316 },
37659335 2317#endif
214e1eca
JA		 2318 {
2319 .name = "fsync",
e8b0e958 2320 .lname = "Fsync",
214e1eca 2321 .type = FIO_OPT_INT,
a609f12a 2322 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2323 .help = "Issue fsync for writes every given number of blocks",
2324 .def = "0",
20eb06bd 2325 .interval = 1,
e8b0e958
JA		 2326 .category = FIO_OPT_C_FILE,
2327 .group = FIO_OPT_G_INVALID,
214e1eca 2328 },
5f9099ea
JA		 2329 {
2330 .name = "fdatasync",
e8b0e958 2331 .lname = "Fdatasync",
5f9099ea 2332 .type = FIO_OPT_INT,
a609f12a 2333 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2334 .help = "Issue fdatasync for writes every given number of blocks",
2335 .def = "0",
20eb06bd 2336 .interval = 1,
e8b0e958
JA		 2337 .category = FIO_OPT_C_FILE,
2338 .group = FIO_OPT_G_INVALID,
5f9099ea 2339 },
1ef2b6be
JA		 2340 {
2341 .name = "write_barrier",
e8b0e958 2342 .lname = "Write barrier",
1ef2b6be 2343 .type = FIO_OPT_INT,
a609f12a 2344 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2345 .help = "Make every Nth write a barrier write",
2346 .def = "0",
20eb06bd 2347 .interval = 1,
e8b0e958
JA		 2348 .category = FIO_OPT_C_IO,
2349 .group = FIO_OPT_G_INVALID,
1ef2b6be 2350 },
67bf9823 2351#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2352 {
2353 .name = "sync_file_range",
e8b0e958 2354 .lname = "Sync file range",
44f29692
JA		 2355 .posval = {
2356 { .ival = "wait_before",
2357 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2358 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2359 .orval = 1,
44f29692
JA		 2360 },
2361 { .ival = "write",
2362 .oval = SYNC_FILE_RANGE_WRITE,
2363 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2364 .orval = 1,
44f29692
JA		 2365 },
2366 {
2367 .ival = "wait_after",
2368 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2369 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2370 .orval = 1,
44f29692
JA		 2371 },
2372 },
3843deb3 2373 .type = FIO_OPT_STR_MULTI,
44f29692 2374 .cb = str_sfr_cb,
a609f12a 2375 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2376 .help = "Use sync_file_range()",
e8b0e958
JA		 2377 .category = FIO_OPT_C_FILE,
2378 .group = FIO_OPT_G_INVALID,
44f29692 2379 },
a275c37a 2380#else
54d0a315 2381 {
a275c37a
JA		 2382 .name = "sync_file_range",
2383 .lname = "Sync file range",
2384 .type = FIO_OPT_UNSUPPORTED,
2385 .help = "Your platform does not support sync_file_range",
2386 },
44f29692 2387#endif
214e1eca
JA		 2388 {
2389 .name = "direct",
e8b0e958 2390 .lname = "Direct I/O",
214e1eca 2391 .type = FIO_OPT_BOOL,
a609f12a 2392 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2393 .help = "Use O_DIRECT IO (negates buffered)",
2394 .def = "0",
a01a1bc5 2395 .inverse = "buffered",
e8b0e958 2396 .category = FIO_OPT_C_IO,
3ceb458f 2397 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2398 },
d01612f3
CM		 2399 {
2400 .name = "atomic",
2401 .lname = "Atomic I/O",
2402 .type = FIO_OPT_BOOL,
a609f12a 2403 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2404 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2405 .def = "0",
2406 .category = FIO_OPT_C_IO,
2407 .group = FIO_OPT_G_IO_TYPE,
2408 },
214e1eca
JA		 2409 {
2410 .name = "buffered",
e8b0e958 2411 .lname = "Buffered I/O",
214e1eca 2412 .type = FIO_OPT_BOOL,
a609f12a 2413 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2414 .neg = 1,
2415 .help = "Use buffered IO (negates direct)",
2416 .def = "1",
a01a1bc5 2417 .inverse = "direct",
e8b0e958 2418 .category = FIO_OPT_C_IO,
3ceb458f 2419 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2420 },
2421 {
2422 .name = "overwrite",
e8b0e958 2423 .lname = "Overwrite",
214e1eca 2424 .type = FIO_OPT_BOOL,
a609f12a 2425 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2426 .help = "When writing, set whether to overwrite current data",
2427 .def = "0",
e8b0e958
JA		 2428 .category = FIO_OPT_C_FILE,
2429 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2430 },
2431 {
2432 .name = "loops",
e8b0e958 2433 .lname = "Loops",
214e1eca 2434 .type = FIO_OPT_INT,
a609f12a 2435 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2436 .help = "Number of times to run the job",
2437 .def = "1",
20eb06bd 2438 .interval = 1,
e8b0e958 2439 .category = FIO_OPT_C_GENERAL,
a1f6afec 2440 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2441 },
2442 {
2443 .name = "numjobs",
e8b0e958 2444 .lname = "Number of jobs",
214e1eca 2445 .type = FIO_OPT_INT,
a609f12a 2446 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2447 .help = "Duplicate this job this many times",
2448 .def = "1",
20eb06bd 2449 .interval = 1,
e8b0e958 2450 .category = FIO_OPT_C_GENERAL,
a1f6afec 2451 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2452 },
2453 {
2454 .name = "startdelay",
e8b0e958 2455 .lname = "Start delay",
a5737c93 2456 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2457 .off1 = offsetof(struct thread_options, start_delay),
2458 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2459 .help = "Only start job when this period has passed",
2460 .def = "0",
0de5b26f 2461 .is_seconds = 1,
88038bc7 2462 .is_time = 1,
e8b0e958 2463 .category = FIO_OPT_C_GENERAL,
a1f6afec 2464 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2465 },
2466 {
2467 .name = "runtime",
e8b0e958 2468 .lname = "Runtime",
214e1eca
JA		 2469 .alias = "timeout",
2470 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2471 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2472 .help = "Stop workload when this amount of time has passed",
2473 .def = "0",
0de5b26f 2474 .is_seconds = 1,
88038bc7 2475 .is_time = 1,
e8b0e958 2476 .category = FIO_OPT_C_GENERAL,
a1f6afec 2477 .group = FIO_OPT_G_RUNTIME,
214e1eca 2478 },
cf4464ca
JA		 2479 {
2480 .name = "time_based",
e8b0e958 2481 .lname = "Time based",
cf4464ca 2482 .type = FIO_OPT_STR_SET,
a609f12a 2483 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2484 .help = "Keep running until runtime/timeout is met",
e8b0e958 2485 .category = FIO_OPT_C_GENERAL,
a1f6afec 2486 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2487 },
62167762
JC		 2488 {
2489 .name = "verify_only",
2490 .lname = "Verify only",
2491 .type = FIO_OPT_STR_SET,
a609f12a 2492 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2493 .help = "Verifies previously written data is still valid",
2494 .category = FIO_OPT_C_GENERAL,
2495 .group = FIO_OPT_G_RUNTIME,
2496 },
721938ae
JA		 2497 {
2498 .name = "ramp_time",
e8b0e958 2499 .lname = "Ramp time",
721938ae 2500 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2501 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2502 .help = "Ramp up time before measuring performance",
0de5b26f 2503 .is_seconds = 1,
88038bc7 2504 .is_time = 1,
e8b0e958 2505 .category = FIO_OPT_C_GENERAL,
a1f6afec 2506 .group = FIO_OPT_G_RUNTIME,
721938ae 2507 },
c223da83
JA		 2508 {
2509 .name = "clocksource",
e8b0e958 2510 .lname = "Clock source",
c223da83
JA		 2511 .type = FIO_OPT_STR,
2512 .cb = fio_clock_source_cb,
a609f12a 2513 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2514 .help = "What type of timing source to use",
e8b0e958 2515 .category = FIO_OPT_C_GENERAL,
10860056 2516 .group = FIO_OPT_G_CLOCK,
c223da83 2517 .posval = {
67bf9823 2518#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2519 { .ival = "gettimeofday",
2520 .oval = CS_GTOD,
2521 .help = "Use gettimeofday(2) for timing",
2522 },
67bf9823
JA		 2523#endif
2524#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2525 { .ival = "clock_gettime",
2526 .oval = CS_CGETTIME,
2527 .help = "Use clock_gettime(2) for timing",
2528 },
67bf9823 2529#endif
c223da83
JA		 2530#ifdef ARCH_HAVE_CPU_CLOCK
2531 { .ival = "cpu",
2532 .oval = CS_CPUCLOCK,
2533 .help = "Use CPU private clock",
2534 },
2535#endif
2536 },
2537 },
214e1eca
JA		 2538 {
2539 .name = "mem",
d3aad8f2 2540 .alias = "iomem",
e8b0e958 2541 .lname = "I/O Memory",
214e1eca
JA		 2542 .type = FIO_OPT_STR,
2543 .cb = str_mem_cb,
a609f12a 2544 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2545 .help = "Backing type for IO buffers",
2546 .def = "malloc",
e8b0e958
JA		 2547 .category = FIO_OPT_C_IO,
2548 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2549 .posval = {
2550 { .ival = "malloc",
2551 .oval = MEM_MALLOC,
2552 .help = "Use malloc(3) for IO buffers",
2553 },
c8931876 2554#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2555 { .ival = "shm",
2556 .oval = MEM_SHM,
2557 .help = "Use shared memory segments for IO buffers",
2558 },
214e1eca
JA		 2559#ifdef FIO_HAVE_HUGETLB
2560 { .ival = "shmhuge",
2561 .oval = MEM_SHMHUGE,
2562 .help = "Like shm, but use huge pages",
2563 },
c8931876 2564#endif
b370e46a 2565#endif
37c8cdfe
JA		 2566 { .ival = "mmap",
2567 .oval = MEM_MMAP,
2568 .help = "Use mmap(2) (file or anon) for IO buffers",
2569 },
217b0f1d
LG		 2570 { .ival = "mmapshared",
2571 .oval = MEM_MMAPSHARED,
2572 .help = "Like mmap, but use the shared flag",
2573 },
214e1eca
JA		 2574#ifdef FIO_HAVE_HUGETLB
2575 { .ival = "mmaphuge",
2576 .oval = MEM_MMAPHUGE,
2577 .help = "Like mmap, but use huge pages",
2578 },
2579#endif
2580 },
2581 },
d529ee19
JA		 2582 {
2583 .name = "iomem_align",
2584 .alias = "mem_align",
e8b0e958 2585 .lname = "I/O memory alignment",
d529ee19 2586 .type = FIO_OPT_INT,
a609f12a 2587 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2588 .minval = 0,
2589 .help = "IO memory buffer offset alignment",
2590 .def = "0",
2591 .parent = "iomem",
d71c154c 2592 .hide = 1,
e8b0e958
JA		 2593 .category = FIO_OPT_C_IO,
2594 .group = FIO_OPT_G_INVALID,
d529ee19 2595 },
214e1eca
JA		 2596 {
2597 .name = "verify",
e8b0e958 2598 .lname = "Verify",
214e1eca 2599 .type = FIO_OPT_STR,
a609f12a 2600 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2601 .help = "Verify data written",
2602 .def = "0",
e8b0e958 2603 .category = FIO_OPT_C_IO,
3ceb458f 2604 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2605 .posval = {
2606 { .ival = "0",
2607 .oval = VERIFY_NONE,
2608 .help = "Don't do IO verification",
2609 },
fcca4b58
JA		 2610 { .ival = "md5",
2611 .oval = VERIFY_MD5,
2612 .help = "Use md5 checksums for verification",
2613 },
d77a7af3
JA		 2614 { .ival = "crc64",
2615 .oval = VERIFY_CRC64,
2616 .help = "Use crc64 checksums for verification",
2617 },
214e1eca
JA		 2618 { .ival = "crc32",
2619 .oval = VERIFY_CRC32,
2620 .help = "Use crc32 checksums for verification",
2621 },
af497e6a 2622 { .ival = "crc32c-intel",
e3aaafc4
JA		 2623 .oval = VERIFY_CRC32C,
2624 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2625 },
bac39e0e
JA		 2626 { .ival = "crc32c",
2627 .oval = VERIFY_CRC32C,
e3aaafc4 2628 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2629 },
969f7ed3
JA		 2630 { .ival = "crc16",
2631 .oval = VERIFY_CRC16,
2632 .help = "Use crc16 checksums for verification",
2633 },
1e154bdb
JA		 2634 { .ival = "crc7",
2635 .oval = VERIFY_CRC7,
2636 .help = "Use crc7 checksums for verification",
2637 },
7c353ceb
JA		 2638 { .ival = "sha1",
2639 .oval = VERIFY_SHA1,
2640 .help = "Use sha1 checksums for verification",
2641 },
cd14cc10
JA		 2642 { .ival = "sha256",
2643 .oval = VERIFY_SHA256,
2644 .help = "Use sha256 checksums for verification",
2645 },
2646 { .ival = "sha512",
2647 .oval = VERIFY_SHA512,
2648 .help = "Use sha512 checksums for verification",
2649 },
844ea602
JA		 2650 { .ival = "xxhash",
2651 .oval = VERIFY_XXHASH,
2652 .help = "Use xxhash checksums for verification",
2653 },
b638d82f
RP		 2654 /* Meta information was included into verify_header,
2655 * 'meta' verification is implied by default. */
7437ee87 2656 { .ival = "meta",
b638d82f
RP		 2657 .oval = VERIFY_HDR_ONLY,
2658 .help = "Use io information for verification. "
2659 "Now is implied by default, thus option is obsolete, "
2660 "don't use it",
7437ee87 2661 },
59245381
JA		 2662 { .ival = "pattern",
2663 .oval = VERIFY_PATTERN_NO_HDR,
2664 .help = "Verify strict pattern",
2665 },
36690c9b
JA		 2666 {
2667 .ival = "null",
2668 .oval = VERIFY_NULL,
2669 .help = "Pretend to verify",
2670 },
214e1eca
JA		 2671 },
2672 },
005c565a
JA		 2673 {
2674 .name = "do_verify",
e8b0e958 2675 .lname = "Perform verify step",
68e1f29a 2676 .type = FIO_OPT_BOOL,
a609f12a 2677 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2678 .help = "Run verification stage after write",
2679 .def = "1",
2680 .parent = "verify",
d71c154c 2681 .hide = 1,
e8b0e958
JA		 2682 .category = FIO_OPT_C_IO,
2683 .group = FIO_OPT_G_VERIFY,
005c565a 2684 },
160b966d
JA		 2685 {
2686 .name = "verifysort",
e8b0e958 2687 .lname = "Verify sort",
160b966d 2688 .type = FIO_OPT_BOOL,
a609f12a 2689 .off1 = offsetof(struct thread_options, verifysort),
160b966d
JA		 2690 .help = "Sort written verify blocks for read back",
2691 .def = "1",
c83f2df1 2692 .parent = "verify",
d71c154c 2693 .hide = 1,
e8b0e958
JA		 2694 .category = FIO_OPT_C_IO,
2695 .group = FIO_OPT_G_VERIFY,
160b966d 2696 },
1ae83d45
JA		 2697 {
2698 .name = "verifysort_nr",
cce2fdfe 2699 .lname = "Verify Sort Nr",
1ae83d45 2700 .type = FIO_OPT_INT,
a609f12a 2701 .off1 = offsetof(struct thread_options, verifysort_nr),
1ae83d45
JA		 2702 .help = "Pre-load and sort verify blocks for a read workload",
2703 .minval = 0,
2704 .maxval = 131072,
2705 .def = "1024",
2706 .parent = "verify",
836fcc0f
JA		 2707 .category = FIO_OPT_C_IO,
2708 .group = FIO_OPT_G_VERIFY,
1ae83d45 2709 },
3f9f4e26 2710 {
a59e170d 2711 .name = "verify_interval",
e8b0e958 2712 .lname = "Verify interval",
e01b22b8 2713 .type = FIO_OPT_INT,
a609f12a 2714 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2715 .minval = 2 * sizeof(struct verify_header),
a59e170d 2716 .help = "Store verify buffer header every N bytes",
afdf9352 2717 .parent = "verify",
d71c154c 2718 .hide = 1,
20eb06bd 2719 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2722 },
546a9142 2723 {
a59e170d 2724 .name = "verify_offset",
e8b0e958 2725 .lname = "Verify offset",
e01b22b8 2726 .type = FIO_OPT_INT,
a59e170d 2727 .help = "Offset verify header location by N bytes",
a609f12a 2728 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2729 .minval = sizeof(struct verify_header),
afdf9352 2730 .parent = "verify",
d71c154c 2731 .hide = 1,
e8b0e958
JA		 2732 .category = FIO_OPT_C_IO,
2733 .group = FIO_OPT_G_VERIFY,
546a9142 2734 },
e28218f3
SL		 2735 {
2736 .name = "verify_pattern",
e8b0e958 2737 .lname = "Verify pattern",
0e92f873 2738 .type = FIO_OPT_STR,
e28218f3 2739 .cb = str_verify_pattern_cb,
a609f12a 2740 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2741 .help = "Fill pattern for IO buffers",
2742 .parent = "verify",
d71c154c 2743 .hide = 1,
e8b0e958
JA		 2744 .category = FIO_OPT_C_IO,
2745 .group = FIO_OPT_G_VERIFY,
e28218f3 2746 },
a12a3b4d
JA		 2747 {
2748 .name = "verify_fatal",
e8b0e958 2749 .lname = "Verify fatal",
68e1f29a 2750 .type = FIO_OPT_BOOL,
a609f12a 2751 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2752 .def = "0",
2753 .help = "Exit on a single verify failure, don't continue",
2754 .parent = "verify",
d71c154c 2755 .hide = 1,
e8b0e958
JA		 2756 .category = FIO_OPT_C_IO,
2757 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2758 },
b463e936
JA		 2759 {
2760 .name = "verify_dump",
e8b0e958 2761 .lname = "Verify dump",
b463e936 2762 .type = FIO_OPT_BOOL,
a609f12a 2763 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2764 .def = "0",
b463e936
JA		 2765 .help = "Dump contents of good and bad blocks on failure",
2766 .parent = "verify",
d71c154c 2767 .hide = 1,
e8b0e958
JA		 2768 .category = FIO_OPT_C_IO,
2769 .group = FIO_OPT_G_VERIFY,
b463e936 2770 },
e8462bd8
JA		 2771 {
2772 .name = "verify_async",
e8b0e958 2773 .lname = "Verify asynchronously",
e8462bd8 2774 .type = FIO_OPT_INT,
a609f12a 2775 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2776 .def = "0",
2777 .help = "Number of async verifier threads to use",
2778 .parent = "verify",
d71c154c 2779 .hide = 1,
e8b0e958
JA		 2780 .category = FIO_OPT_C_IO,
2781 .group = FIO_OPT_G_VERIFY,
e8462bd8 2782 },
9e144189
JA		 2783 {
2784 .name = "verify_backlog",
e8b0e958 2785 .lname = "Verify backlog",
9e144189 2786 .type = FIO_OPT_STR_VAL,
a609f12a 2787 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2788 .help = "Verify after this number of blocks are written",
2789 .parent = "verify",
d71c154c 2790 .hide = 1,
e8b0e958
JA		 2791 .category = FIO_OPT_C_IO,
2792 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2793 },
2794 {
2795 .name = "verify_backlog_batch",
e8b0e958 2796 .lname = "Verify backlog batch",
9e144189 2797 .type = FIO_OPT_INT,
a609f12a 2798 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2799 .help = "Verify this number of IO blocks",
0d29de83 2800 .parent = "verify",
d71c154c 2801 .hide = 1,
e8b0e958
JA		 2802 .category = FIO_OPT_C_IO,
2803 .group = FIO_OPT_G_VERIFY,
9e144189 2804 },
e8462bd8
JA		 2805#ifdef FIO_HAVE_CPU_AFFINITY
2806 {
2807 .name = "verify_async_cpus",
e8b0e958 2808 .lname = "Async verify CPUs",
e8462bd8
JA		 2809 .type = FIO_OPT_STR,
2810 .cb = str_verify_cpus_allowed_cb,
a609f12a 2811 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2812 .help = "Set CPUs allowed for async verify threads",
2813 .parent = "verify_async",
d71c154c 2814 .hide = 1,
e8b0e958
JA		 2815 .category = FIO_OPT_C_IO,
2816 .group = FIO_OPT_G_VERIFY,
e8462bd8 2817 },
a275c37a
JA		 2818#else
2819 {
2820 .name = "verify_async_cpus",
2821 .lname = "Async verify CPUs",
2822 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2823 .help = "Your platform does not support CPU affinities",
a275c37a 2824 },
0d29de83 2825#endif
51aa2da8
JA		 2826 {
2827 .name = "experimental_verify",
cce2fdfe 2828 .lname = "Experimental Verify",
a609f12a 2829 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2830 .type = FIO_OPT_BOOL,
b31eaac9 2831 .help = "Enable experimental verification",
ca09be4b
JA		 2832 .parent = "verify",
2833 .category = FIO_OPT_C_IO,
2834 .group = FIO_OPT_G_VERIFY,
2835 },
2836 {
2837 .name = "verify_state_load",
2838 .lname = "Load verify state",
a609f12a 2839 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 2840 .type = FIO_OPT_BOOL,
2841 .help = "Load verify termination state",
2842 .parent = "verify",
2843 .category = FIO_OPT_C_IO,
2844 .group = FIO_OPT_G_VERIFY,
2845 },
2846 {
2847 .name = "verify_state_save",
2848 .lname = "Save verify state",
a609f12a 2849 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 2850 .type = FIO_OPT_BOOL,
2851 .def = "1",
2852 .help = "Save verify state on termination",
2853 .parent = "verify",
836fcc0f
JA		 2854 .category = FIO_OPT_C_IO,
2855 .group = FIO_OPT_G_VERIFY,
51aa2da8 2856 },
0d29de83
JA		 2857#ifdef FIO_HAVE_TRIM
2858 {
2859 .name = "trim_percentage",
e8b0e958 2860 .lname = "Trim percentage",
0d29de83 2861 .type = FIO_OPT_INT,
a609f12a 2862 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 2863 .minval = 0,
0d29de83
JA		 2864 .maxval = 100,
2865 .help = "Number of verify blocks to discard/trim",
2866 .parent = "verify",
2867 .def = "0",
20eb06bd 2868 .interval = 1,
d71c154c 2869 .hide = 1,
e8b0e958
JA		 2870 .category = FIO_OPT_C_IO,
2871 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2872 },
2873 {
2874 .name = "trim_verify_zero",
e8b0e958 2875 .lname = "Verify trim zero",
20eb06bd 2876 .type = FIO_OPT_BOOL,
0d29de83 2877 .help = "Verify that trim/discarded blocks are returned as zeroes",
a609f12a 2878 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 2879 .parent = "trim_percentage",
d71c154c 2880 .hide = 1,
0d29de83 2881 .def = "1",
e8b0e958
JA		 2882 .category = FIO_OPT_C_IO,
2883 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2884 },
2885 {
2886 .name = "trim_backlog",
e8b0e958 2887 .lname = "Trim backlog",
0d29de83 2888 .type = FIO_OPT_STR_VAL,
a609f12a 2889 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 2890 .help = "Trim after this number of blocks are written",
2891 .parent = "trim_percentage",
d71c154c 2892 .hide = 1,
20eb06bd 2893 .interval = 1,
e8b0e958
JA		 2894 .category = FIO_OPT_C_IO,
2895 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2896 },
2897 {
2898 .name = "trim_backlog_batch",
e8b0e958 2899 .lname = "Trim backlog batch",
0d29de83 2900 .type = FIO_OPT_INT,
a609f12a 2901 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 2902 .help = "Trim this number of IO blocks",
2903 .parent = "trim_percentage",
d71c154c 2904 .hide = 1,
20eb06bd 2905 .interval = 1,
e8b0e958
JA		 2906 .category = FIO_OPT_C_IO,
2907 .group = FIO_OPT_G_TRIM,
0d29de83 2908 },
a275c37a
JA		 2909#else
2910 {
2911 .name = "trim_percentage",
2912 .lname = "Trim percentage",
2913 .type = FIO_OPT_UNSUPPORTED,
2914 .help = "Fio does not support TRIM on your platform",
2915 },
2916 {
2917 .name = "trim_verify_zero",
2918 .lname = "Verify trim zero",
2919 .type = FIO_OPT_UNSUPPORTED,
2920 .help = "Fio does not support TRIM on your platform",
2921 },
2922 {
2923 .name = "trim_backlog",
2924 .lname = "Trim backlog",
2925 .type = FIO_OPT_UNSUPPORTED,
2926 .help = "Fio does not support TRIM on your platform",
2927 },
2928 {
2929 .name = "trim_backlog_batch",
2930 .lname = "Trim backlog batch",
2931 .type = FIO_OPT_UNSUPPORTED,
2932 .help = "Fio does not support TRIM on your platform",
2933 },
e8462bd8 2934#endif
214e1eca
JA		 2935 {
2936 .name = "write_iolog",
e8b0e958 2937 .lname = "Write I/O log",
214e1eca 2938 .type = FIO_OPT_STR_STORE,
a609f12a 2939 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 2940 .help = "Store IO pattern to file",
e8b0e958
JA		 2941 .category = FIO_OPT_C_IO,
2942 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2943 },
2944 {
2945 .name = "read_iolog",
e8b0e958 2946 .lname = "Read I/O log",
214e1eca 2947 .type = FIO_OPT_STR_STORE,
a609f12a 2948 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 2949 .help = "Playback IO pattern from file",
e8b0e958
JA		 2950 .category = FIO_OPT_C_IO,
2951 .group = FIO_OPT_G_IOLOG,
214e1eca 2952 },
64bbb865
DN		 2953 {
2954 .name = "replay_no_stall",
e8b0e958 2955 .lname = "Don't stall on replay",
20eb06bd 2956 .type = FIO_OPT_BOOL,
a609f12a 2957 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 2958 .def = "0",
87e7a972 2959 .parent = "read_iolog",
d71c154c 2960 .hide = 1,
64bbb865 2961 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2962 .category = FIO_OPT_C_IO,
2963 .group = FIO_OPT_G_IOLOG,
64bbb865 2964 },
d1c46c04
DN		 2965 {
2966 .name = "replay_redirect",
e8b0e958 2967 .lname = "Redirect device for replay",
d1c46c04 2968 .type = FIO_OPT_STR_STORE,
a609f12a 2969 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 2970 .parent = "read_iolog",
d71c154c 2971 .hide = 1,
d1c46c04 2972 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2973 .category = FIO_OPT_C_IO,
2974 .group = FIO_OPT_G_IOLOG,
d1c46c04 2975 },
0c63576e
JA		 2976 {
2977 .name = "replay_scale",
2978 .lname = "Replace offset scale factor",
2979 .type = FIO_OPT_INT,
a609f12a 2980 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 2981 .parent = "read_iolog",
2982 .def = "1",
2983 .help = "Align offsets to this blocksize",
2984 .category = FIO_OPT_C_IO,
2985 .group = FIO_OPT_G_IOLOG,
2986 },
2987 {
2988 .name = "replay_align",
2989 .lname = "Replace alignment",
2990 .type = FIO_OPT_INT,
a609f12a 2991 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 2992 .parent = "read_iolog",
2993 .help = "Scale offset down by this factor",
2994 .category = FIO_OPT_C_IO,
2995 .group = FIO_OPT_G_IOLOG,
2996 .pow2 = 1,
2997 },
214e1eca
JA		 2998 {
2999 .name = "exec_prerun",
e8b0e958 3000 .lname = "Pre-execute runnable",
214e1eca 3001 .type = FIO_OPT_STR_STORE,
a609f12a 3002 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3003 .help = "Execute this file prior to running job",
e8b0e958
JA		 3004 .category = FIO_OPT_C_GENERAL,
3005 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3006 },
3007 {
3008 .name = "exec_postrun",
e8b0e958 3009 .lname = "Post-execute runnable",
214e1eca 3010 .type = FIO_OPT_STR_STORE,
a609f12a 3011 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3012 .help = "Execute this file after running job",
e8b0e958
JA		 3013 .category = FIO_OPT_C_GENERAL,
3014 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3015 },
3016#ifdef FIO_HAVE_IOSCHED_SWITCH
3017 {
3018 .name = "ioscheduler",
e8b0e958 3019 .lname = "I/O scheduler",
214e1eca 3020 .type = FIO_OPT_STR_STORE,
a609f12a 3021 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3022 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3023 .category = FIO_OPT_C_FILE,
3024 .group = FIO_OPT_G_INVALID,
214e1eca 3025 },
a275c37a
JA		 3026#else
3027 {
3028 .name = "ioscheduler",
3029 .lname = "I/O scheduler",
3030 .type = FIO_OPT_UNSUPPORTED,
3031 .help = "Your platform does not support IO scheduler switching",
3032 },
214e1eca
JA		 3033#endif
3034 {
3035 .name = "zonesize",
e8b0e958 3036 .lname = "Zone size",
214e1eca 3037 .type = FIO_OPT_STR_VAL,
a609f12a 3038 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3039 .help = "Amount of data to read per zone",
3040 .def = "0",
20eb06bd 3041 .interval = 1024 * 1024,
e8b0e958
JA		 3042 .category = FIO_OPT_C_IO,
3043 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3044 },
3045 {
3046 .name = "zonerange",
e8b0e958 3047 .lname = "Zone range",
ed335855 3048 .type = FIO_OPT_STR_VAL,
a609f12a 3049 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3050 .help = "Give size of an IO zone",
3051 .def = "0",
20eb06bd 3052 .interval = 1024 * 1024,
e8b0e958
JA		 3053 .category = FIO_OPT_C_IO,
3054 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3055 },
3056 {
3057 .name = "zoneskip",
e8b0e958 3058 .lname = "Zone skip",
214e1eca 3059 .type = FIO_OPT_STR_VAL,
a609f12a 3060 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3061 .help = "Space between IO zones",
3062 .def = "0",
20eb06bd 3063 .interval = 1024 * 1024,
e8b0e958
JA		 3064 .category = FIO_OPT_C_IO,
3065 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3066 },
3067 {
3068 .name = "lockmem",
e8b0e958 3069 .lname = "Lock memory",
214e1eca 3070 .type = FIO_OPT_STR_VAL,
a609f12a 3071 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3072 .help = "Lock down this amount of memory (per worker)",
214e1eca 3073 .def = "0",
20eb06bd 3074 .interval = 1024 * 1024,
e8b0e958
JA		 3075 .category = FIO_OPT_C_GENERAL,
3076 .group = FIO_OPT_G_INVALID,
214e1eca 3077 },
214e1eca
JA		 3078 {
3079 .name = "rwmixread",
e8b0e958 3080 .lname = "Read/write mix read",
214e1eca 3081 .type = FIO_OPT_INT,
cb499fc4 3082 .cb = str_rwmix_read_cb,
a609f12a 3083 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3084 .maxval = 100,
3085 .help = "Percentage of mixed workload that is reads",
3086 .def = "50",
20eb06bd 3087 .interval = 5,
90265353 3088 .inverse = "rwmixwrite",
e8b0e958
JA		 3089 .category = FIO_OPT_C_IO,
3090 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3091 },
3092 {
3093 .name = "rwmixwrite",
e8b0e958 3094 .lname = "Read/write mix write",
214e1eca 3095 .type = FIO_OPT_INT,
cb499fc4 3096 .cb = str_rwmix_write_cb,
a609f12a 3097 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3098 .maxval = 100,
3099 .help = "Percentage of mixed workload that is writes",
3100 .def = "50",
20eb06bd 3101 .interval = 5,
90265353 3102 .inverse = "rwmixread",
e8b0e958
JA		 3103 .category = FIO_OPT_C_IO,
3104 .group = FIO_OPT_G_RWMIX,
214e1eca 3105 },
afdf9352
JA		 3106 {
3107 .name = "rwmixcycle",
e8b0e958 3108 .lname = "Read/write mix cycle",
15ca150e 3109 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3110 .category = FIO_OPT_C_IO,
3111 .group = FIO_OPT_G_RWMIX,
afdf9352 3112 },
214e1eca
JA		 3113 {
3114 .name = "nice",
e8b0e958 3115 .lname = "Nice",
214e1eca 3116 .type = FIO_OPT_INT,
a609f12a 3117 .off1 = offsetof(struct thread_options, nice),
214e1eca
JA		 3118 .help = "Set job CPU nice value",
3119 .minval = -19,
3120 .maxval = 20,
3121 .def = "0",
20eb06bd 3122 .interval = 1,
e8b0e958 3123 .category = FIO_OPT_C_GENERAL,
10860056 3124 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3125 },
3126#ifdef FIO_HAVE_IOPRIO
3127 {
3128 .name = "prio",
e8b0e958 3129 .lname = "I/O nice priority",
214e1eca 3130 .type = FIO_OPT_INT,
a609f12a 3131 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3132 .help = "Set job IO priority value",
1767bd34
TK		 3133 .minval = IOPRIO_MIN_PRIO,
3134 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3135 .interval = 1,
e8b0e958 3136 .category = FIO_OPT_C_GENERAL,
10860056 3137 .group = FIO_OPT_G_CRED,
214e1eca 3138 },
32ef447a
TK		 3139#else
3140 {
3141 .name = "prio",
3142 .lname = "I/O nice priority",
3143 .type = FIO_OPT_UNSUPPORTED,
3144 .help = "Your platform does not support IO priorities",
3145 },
3146#endif
3147#ifdef FIO_HAVE_IOPRIO_CLASS
3148#ifndef FIO_HAVE_IOPRIO
3149#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3150#endif
214e1eca
JA		 3151 {
3152 .name = "prioclass",
e8b0e958 3153 .lname = "I/O nice priority class",
214e1eca 3154 .type = FIO_OPT_INT,
a609f12a 3155 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3156 .help = "Set job IO priority class",
1767bd34
TK		 3157 .minval = IOPRIO_MIN_PRIO_CLASS,
3158 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3159 .interval = 1,
e8b0e958 3160 .category = FIO_OPT_C_GENERAL,
10860056 3161 .group = FIO_OPT_G_CRED,
214e1eca 3162 },
a275c37a 3163#else
a275c37a
JA		 3164 {
3165 .name = "prioclass",
3166 .lname = "I/O nice priority class",
3167 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3168 .help = "Your platform does not support IO priority classes",
a275c37a 3169 },
214e1eca
JA		 3170#endif
3171 {
3172 .name = "thinktime",
e8b0e958 3173 .lname = "Thinktime",
214e1eca 3174 .type = FIO_OPT_INT,
a609f12a 3175 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3176 .help = "Idle time between IO buffers (usec)",
3177 .def = "0",
88038bc7 3178 .is_time = 1,
e8b0e958 3179 .category = FIO_OPT_C_IO,
3ceb458f 3180 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3181 },
3182 {
3183 .name = "thinktime_spin",
e8b0e958 3184 .lname = "Thinktime spin",
214e1eca 3185 .type = FIO_OPT_INT,
a609f12a 3186 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3187 .help = "Start think time by spinning this amount (usec)",
3188 .def = "0",
88038bc7 3189 .is_time = 1,
afdf9352 3190 .parent = "thinktime",
d71c154c 3191 .hide = 1,
e8b0e958 3192 .category = FIO_OPT_C_IO,
3ceb458f 3193 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3194 },
3195 {
3196 .name = "thinktime_blocks",
e8b0e958 3197 .lname = "Thinktime blocks",
214e1eca 3198 .type = FIO_OPT_INT,
a609f12a 3199 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3200 .help = "IO buffer period between 'thinktime'",
3201 .def = "1",
afdf9352 3202 .parent = "thinktime",
d71c154c 3203 .hide = 1,
e8b0e958 3204 .category = FIO_OPT_C_IO,
3ceb458f 3205 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3206 },
3207 {
3208 .name = "rate",
e8b0e958 3209 .lname = "I/O rate",
e01b22b8 3210 .type = FIO_OPT_INT,
a609f12a
JA		 3211 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3212 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3213 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3214 .help = "Set bandwidth rate",
e8b0e958
JA		 3215 .category = FIO_OPT_C_IO,
3216 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3217 },
3218 {
6d428bcd
JA		 3219 .name = "rate_min",
3220 .alias = "ratemin",
e8b0e958 3221 .lname = "I/O min rate",
e01b22b8 3222 .type = FIO_OPT_INT,
a609f12a
JA		 3223 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3224 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3225 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3226 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3227 .parent = "rate",
d71c154c 3228 .hide = 1,
e8b0e958
JA		 3229 .category = FIO_OPT_C_IO,
3230 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3231 },
3232 {
3233 .name = "rate_iops",
e8b0e958 3234 .lname = "I/O rate IOPS",
e01b22b8 3235 .type = FIO_OPT_INT,
a609f12a
JA		 3236 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3237 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3238 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3239 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3240 .hide = 1,
e8b0e958
JA		 3241 .category = FIO_OPT_C_IO,
3242 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3243 },
3244 {
3245 .name = "rate_iops_min",
e8b0e958 3246 .lname = "I/O min rate IOPS",
e01b22b8 3247 .type = FIO_OPT_INT,
a609f12a
JA		 3248 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3249 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3250 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3251 .help = "Job must meet this rate or it will be shut down",
afdf9352 3252 .parent = "rate_iops",
d71c154c 3253 .hide = 1,
e8b0e958
JA		 3254 .category = FIO_OPT_C_IO,
3255 .group = FIO_OPT_G_RATE,
214e1eca 3256 },
ff6bb260 3257 {
6de65959
JA		 3258 .name = "rate_process",
3259 .lname = "Rate Process",
3260 .type = FIO_OPT_STR,
a609f12a 3261 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3262 .help = "What process controls how rated IO is managed",
3263 .def = "linear",
ff6bb260
SL		 3264 .category = FIO_OPT_C_IO,
3265 .group = FIO_OPT_G_RATE,
6de65959
JA		 3266 .posval = {
3267 { .ival = "linear",
3268 .oval = RATE_PROCESS_LINEAR,
3269 .help = "Linear rate of IO",
3270 },
3271 {
3272 .ival = "poisson",
3273 .oval = RATE_PROCESS_POISSON,
3274 .help = "Rate follows Poisson process",
3275 },
3276 },
3277 .parent = "rate",
ff6bb260 3278 },
214e1eca 3279 {
6d428bcd
JA		 3280 .name = "rate_cycle",
3281 .alias = "ratecycle",
e8b0e958 3282 .lname = "I/O rate cycle",
214e1eca 3283 .type = FIO_OPT_INT,
a609f12a 3284 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3285 .help = "Window average for rate limits (msec)",
3286 .def = "1000",
afdf9352 3287 .parent = "rate",
d71c154c 3288 .hide = 1,
e8b0e958
JA		 3289 .category = FIO_OPT_C_IO,
3290 .group = FIO_OPT_G_RATE,
214e1eca 3291 },
15501535
JA		 3292 {
3293 .name = "max_latency",
cce2fdfe 3294 .lname = "Max Latency",
15501535 3295 .type = FIO_OPT_INT,
a609f12a 3296 .off1 = offsetof(struct thread_options, max_latency),
15501535 3297 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3298 .is_time = 1,
1e5324e7 3299 .category = FIO_OPT_C_IO,
3e260a46
JA		 3300 .group = FIO_OPT_G_LATPROF,
3301 },
3302 {
3303 .name = "latency_target",
3304 .lname = "Latency Target (usec)",
3305 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3306 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3307 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3308 .is_time = 1,
3e260a46
JA		 3309 .category = FIO_OPT_C_IO,
3310 .group = FIO_OPT_G_LATPROF,
3311 },
3312 {
3313 .name = "latency_window",
3314 .lname = "Latency Window (usec)",
3315 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3316 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3317 .help = "Time to sustain latency_target",
88038bc7 3318 .is_time = 1,
3e260a46
JA		 3319 .category = FIO_OPT_C_IO,
3320 .group = FIO_OPT_G_LATPROF,
3321 },
3322 {
3323 .name = "latency_percentile",
3324 .lname = "Latency Percentile",
3325 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3326 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3327 .help = "Percentile of IOs must be below latency_target",
3328 .def = "100",
3329 .maxlen = 1,
3330 .minfp = 0.0,
3331 .maxfp = 100.0,
3332 .category = FIO_OPT_C_IO,
3333 .group = FIO_OPT_G_LATPROF,
15501535 3334 },
214e1eca
JA		 3335 {
3336 .name = "invalidate",
e8b0e958 3337 .lname = "Cache invalidate",
214e1eca 3338 .type = FIO_OPT_BOOL,
a609f12a 3339 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3340 .help = "Invalidate buffer/page cache prior to running job",
3341 .def = "1",
e8b0e958 3342 .category = FIO_OPT_C_IO,
3ceb458f 3343 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3344 },
3345 {
3346 .name = "sync",
e8b0e958 3347 .lname = "Synchronous I/O",
214e1eca 3348 .type = FIO_OPT_BOOL,
a609f12a 3349 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3350 .help = "Use O_SYNC for buffered writes",
3351 .def = "0",
67a1000f 3352 .parent = "buffered",
d71c154c 3353 .hide = 1,
e8b0e958 3354 .category = FIO_OPT_C_IO,
3ceb458f 3355 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3356 },
214e1eca
JA		 3357 {
3358 .name = "create_serialize",
e8b0e958 3359 .lname = "Create serialize",
214e1eca 3360 .type = FIO_OPT_BOOL,
a609f12a 3361 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3362 .help = "Serialize creation of job files",
214e1eca 3363 .def = "1",
e8b0e958
JA		 3364 .category = FIO_OPT_C_FILE,
3365 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3366 },
3367 {
3368 .name = "create_fsync",
e8b0e958 3369 .lname = "Create fsync",
214e1eca 3370 .type = FIO_OPT_BOOL,
a609f12a 3371 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3372 .help = "fsync file after creation",
214e1eca 3373 .def = "1",
e8b0e958
JA		 3374 .category = FIO_OPT_C_FILE,
3375 .group = FIO_OPT_G_INVALID,
214e1eca 3376 },
814452bd
JA		 3377 {
3378 .name = "create_on_open",
e8b0e958 3379 .lname = "Create on open",
814452bd 3380 .type = FIO_OPT_BOOL,
a609f12a 3381 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3382 .help = "Create files when they are opened for IO",
3383 .def = "0",
e8b0e958
JA		 3384 .category = FIO_OPT_C_FILE,
3385 .group = FIO_OPT_G_INVALID,
814452bd 3386 },
25460cf6
JA		 3387 {
3388 .name = "create_only",
cce2fdfe 3389 .lname = "Create Only",
25460cf6 3390 .type = FIO_OPT_BOOL,
a609f12a 3391 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3392 .help = "Only perform file creation phase",
d17fda71 3393 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3394 .def = "0",
3395 },
2378826d
JA		 3396 {
3397 .name = "allow_file_create",
e81ecca3 3398 .lname = "Allow file create",
2378826d 3399 .type = FIO_OPT_BOOL,
a609f12a 3400 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3401 .help = "Permit fio to create files, if they don't exist",
3402 .def = "1",
3403 .category = FIO_OPT_C_FILE,
3404 .group = FIO_OPT_G_FILENAME,
3405 },
e81ecca3
JA		 3406 {
3407 .name = "allow_mounted_write",
3408 .lname = "Allow mounted write",
3409 .type = FIO_OPT_BOOL,
a609f12a 3410 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3411 .help = "Allow writes to a mounted partition",
3412 .def = "0",
3413 .category = FIO_OPT_C_FILE,
3414 .group = FIO_OPT_G_FILENAME,
3415 },
0b9d69ec 3416 {
afad68f7 3417 .name = "pre_read",
e8b0e958 3418 .lname = "Pre-read files",
afad68f7 3419 .type = FIO_OPT_BOOL,
a609f12a 3420 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3421 .help = "Pre-read files before starting official testing",
afad68f7 3422 .def = "0",
e8b0e958
JA		 3423 .category = FIO_OPT_C_FILE,
3424 .group = FIO_OPT_G_INVALID,
afad68f7 3425 },
214e1eca
JA		 3426#ifdef FIO_HAVE_CPU_AFFINITY
3427 {
3428 .name = "cpumask",
e8b0e958 3429 .lname = "CPU mask",
214e1eca
JA		 3430 .type = FIO_OPT_INT,
3431 .cb = str_cpumask_cb,
a609f12a 3432 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3433 .help = "CPU affinity mask",
e8b0e958 3434 .category = FIO_OPT_C_GENERAL,
10860056 3435 .group = FIO_OPT_G_CRED,
214e1eca 3436 },
d2e268b0
JA		 3437 {
3438 .name = "cpus_allowed",
e8b0e958 3439 .lname = "CPUs allowed",
d2e268b0
JA		 3440 .type = FIO_OPT_STR,
3441 .cb = str_cpus_allowed_cb,
a609f12a 3442 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3443 .help = "Set CPUs allowed",
e8b0e958 3444 .category = FIO_OPT_C_GENERAL,
10860056 3445 .group = FIO_OPT_G_CRED,
d2e268b0 3446 },
c2acfbac
JA		 3447 {
3448 .name = "cpus_allowed_policy",
3449 .lname = "CPUs allowed distribution policy",
3450 .type = FIO_OPT_STR,
a609f12a 3451 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3452 .help = "Distribution policy for cpus_allowed",
3453 .parent = "cpus_allowed",
3454 .prio = 1,
3455 .posval = {
3456 { .ival = "shared",
3457 .oval = FIO_CPUS_SHARED,
3458 .help = "Mask shared between threads",
3459 },
3460 { .ival = "split",
3461 .oval = FIO_CPUS_SPLIT,
3462 .help = "Mask split between threads",
3463 },
3464 },
3465 .category = FIO_OPT_C_GENERAL,
3466 .group = FIO_OPT_G_CRED,
3467 },
a275c37a
JA		 3468#else
3469 {
3470 .name = "cpumask",
3471 .lname = "CPU mask",
3472 .type = FIO_OPT_UNSUPPORTED,
3473 .help = "Your platform does not support CPU affinities",
3474 },
3475 {
3476 .name = "cpus_allowed",
3477 .lname = "CPUs allowed",
3478 .type = FIO_OPT_UNSUPPORTED,
3479 .help = "Your platform does not support CPU affinities",
3480 },
3481 {
3482 .name = "cpus_allowed_policy",
3483 .lname = "CPUs allowed distribution policy",
3484 .type = FIO_OPT_UNSUPPORTED,
3485 .help = "Your platform does not support CPU affinities",
3486 },
d0b937ed 3487#endif
67bf9823 3488#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3489 {
3490 .name = "numa_cpu_nodes",
cce2fdfe 3491 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3492 .type = FIO_OPT_STR,
3493 .cb = str_numa_cpunodes_cb,
a609f12a 3494 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3495 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3496 .category = FIO_OPT_C_GENERAL,
3497 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3498 },
3499 {
3500 .name = "numa_mem_policy",
cce2fdfe 3501 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3502 .type = FIO_OPT_STR,
3503 .cb = str_numa_mpol_cb,
a609f12a 3504 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3505 .help = "NUMA memory policy setup",
6be54b2d
JA		 3506 .category = FIO_OPT_C_GENERAL,
3507 .group = FIO_OPT_G_INVALID,
d0b937ed 3508 },
a275c37a
JA		 3509#else
3510 {
3511 .name = "numa_cpu_nodes",
3512 .lname = "NUMA CPU Nodes",
3513 .type = FIO_OPT_UNSUPPORTED,
3514 .help = "Build fio with libnuma-dev(el) to enable this option",
3515 },
3516 {
3517 .name = "numa_mem_policy",
3518 .lname = "NUMA Memory Policy",
3519 .type = FIO_OPT_UNSUPPORTED,
3520 .help = "Build fio with libnuma-dev(el) to enable this option",
3521 },
214e1eca
JA		 3522#endif
3523 {
3524 .name = "end_fsync",
e8b0e958 3525 .lname = "End fsync",
214e1eca 3526 .type = FIO_OPT_BOOL,
a609f12a 3527 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3528 .help = "Include fsync at the end of job",
3529 .def = "0",
e8b0e958
JA		 3530 .category = FIO_OPT_C_FILE,
3531 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3532 },
3533 {
3534 .name = "fsync_on_close",
e8b0e958 3535 .lname = "Fsync on close",
214e1eca 3536 .type = FIO_OPT_BOOL,
a609f12a 3537 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3538 .help = "fsync files on close",
3539 .def = "0",
e8b0e958
JA		 3540 .category = FIO_OPT_C_FILE,
3541 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3542 },
3543 {
3544 .name = "unlink",
e8b0e958 3545 .lname = "Unlink file",
214e1eca 3546 .type = FIO_OPT_BOOL,
a609f12a 3547 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3548 .help = "Unlink created files after job has completed",
3549 .def = "0",
e8b0e958
JA		 3550 .category = FIO_OPT_C_FILE,
3551 .group = FIO_OPT_G_INVALID,
214e1eca 3552 },
39c1c323 3553 {
3554 .name = "unlink_each_loop",
3555 .lname = "Unlink file after each loop of a job",
3556 .type = FIO_OPT_BOOL,
a609f12a 3557 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3558 .help = "Unlink created files after each loop in a job has completed",
3559 .def = "0",
3560 .category = FIO_OPT_C_FILE,
3561 .group = FIO_OPT_G_INVALID,
3562 },
214e1eca
JA		 3563 {
3564 .name = "exitall",
e8b0e958 3565 .lname = "Exit-all on terminate",
214e1eca
JA		 3566 .type = FIO_OPT_STR_SET,
3567 .cb = str_exitall_cb,
3568 .help = "Terminate all jobs when one exits",
e8b0e958 3569 .category = FIO_OPT_C_GENERAL,
a1f6afec 3570 .group = FIO_OPT_G_PROCESS,
214e1eca 3571 },
f9cafb12
JA		 3572 {
3573 .name = "exitall_on_error",
3574 .lname = "Exit-all on terminate in error",
78abcf9b 3575 .type = FIO_OPT_STR_SET,
a609f12a 3576 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3577 .help = "Terminate all jobs when one exits in error",
3578 .category = FIO_OPT_C_GENERAL,
3579 .group = FIO_OPT_G_PROCESS,
3580 },
214e1eca
JA		 3581 {
3582 .name = "stonewall",
e8b0e958 3583 .lname = "Wait for previous",
d392365e 3584 .alias = "wait_for_previous",
214e1eca 3585 .type = FIO_OPT_STR_SET,
a609f12a 3586 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3587 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3588 .category = FIO_OPT_C_GENERAL,
a1f6afec 3589 .group = FIO_OPT_G_PROCESS,
214e1eca 3590 },
b3d62a75
JA		 3591 {
3592 .name = "new_group",
e8b0e958 3593 .lname = "New group",
b3d62a75 3594 .type = FIO_OPT_STR_SET,
a609f12a 3595 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3596 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3597 .category = FIO_OPT_C_GENERAL,
a1f6afec 3598 .group = FIO_OPT_G_PROCESS,
b3d62a75 3599 },
214e1eca
JA		 3600 {
3601 .name = "thread",
e8b0e958 3602 .lname = "Thread",
214e1eca 3603 .type = FIO_OPT_STR_SET,
a609f12a 3604 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3605 .help = "Use threads instead of processes",
c8931876
JA		 3606#ifdef CONFIG_NO_SHM
3607 .def = "1",
3608 .no_warn_def = 1,
3609#endif
e8b0e958 3610 .category = FIO_OPT_C_GENERAL,
a1f6afec 3611 .group = FIO_OPT_G_PROCESS,
214e1eca 3612 },
3a5db920
JA		 3613 {
3614 .name = "per_job_logs",
cce2fdfe 3615 .lname = "Per Job Logs",
3a5db920 3616 .type = FIO_OPT_BOOL,
a609f12a 3617 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3618 .help = "Include job number in generated log files or not",
3619 .def = "1",
3620 .category = FIO_OPT_C_LOG,
3621 .group = FIO_OPT_G_INVALID,
3622 },
214e1eca
JA		 3623 {
3624 .name = "write_bw_log",
e8b0e958 3625 .lname = "Write bandwidth log",
dded427c 3626 .type = FIO_OPT_STR,
a609f12a 3627 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3628 .cb = str_write_bw_log_cb,
214e1eca 3629 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3630 .category = FIO_OPT_C_LOG,
3631 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3632 },
3633 {
3634 .name = "write_lat_log",
e8b0e958 3635 .lname = "Write latency log",
dded427c 3636 .type = FIO_OPT_STR,
a609f12a 3637 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3638 .cb = str_write_lat_log_cb,
214e1eca 3639 .help = "Write log of latency during run",
e8b0e958
JA		 3640 .category = FIO_OPT_C_LOG,
3641 .group = FIO_OPT_G_INVALID,
214e1eca 3642 },
c8eeb9df
JA		 3643 {
3644 .name = "write_iops_log",
e8b0e958 3645 .lname = "Write IOPS log",
dded427c 3646 .type = FIO_OPT_STR,
a609f12a 3647 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3648 .cb = str_write_iops_log_cb,
c8eeb9df 3649 .help = "Write log of IOPS during run",
e8b0e958
JA		 3650 .category = FIO_OPT_C_LOG,
3651 .group = FIO_OPT_G_INVALID,
c8eeb9df 3652 },
b8bc8cba
JA		 3653 {
3654 .name = "log_avg_msec",
e8b0e958 3655 .lname = "Log averaging (msec)",
b8bc8cba 3656 .type = FIO_OPT_INT,
a609f12a 3657 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3658 .help = "Average bw/iops/lat logs over this period of time",
3659 .def = "0",
e8b0e958 3660 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3661 .group = FIO_OPT_G_INVALID,
3662 },
3663 {
3664 .name = "log_hist_msec",
3665 .lname = "Log histograms (msec)",
3666 .type = FIO_OPT_INT,
a609f12a 3667 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3668 .help = "Dump completion latency histograms at frequency of this time value",
3669 .def = "0",
3670 .category = FIO_OPT_C_LOG,
3671 .group = FIO_OPT_G_INVALID,
3672 },
3673 {
3674 .name = "log_hist_coarseness",
3675 .lname = "Histogram logs coarseness",
3676 .type = FIO_OPT_INT,
a609f12a 3677 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3678 .help = "Integer in range [0,6]. Higher coarseness outputs"
3679 " fewer histogram bins per sample. The number of bins for"
3680 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3681 .def = "0",
3682 .category = FIO_OPT_C_LOG,
3683 .group = FIO_OPT_G_INVALID,
3684 },
3685 {
3686 .name = "write_hist_log",
3687 .lname = "Write latency histogram logs",
dded427c 3688 .type = FIO_OPT_STR,
a609f12a 3689 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3690 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3691 .help = "Write log of latency histograms during run",
3692 .category = FIO_OPT_C_LOG,
e8b0e958 3693 .group = FIO_OPT_G_INVALID,
b8bc8cba 3694 },
e6989e10
JA		 3695 {
3696 .name = "log_max_value",
3697 .lname = "Log maximum instead of average",
3698 .type = FIO_OPT_BOOL,
a609f12a 3699 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3700 .help = "Log max sample in a window instead of average",
3701 .def = "0",
3702 .category = FIO_OPT_C_LOG,
3703 .group = FIO_OPT_G_INVALID,
3704 },
ae588852
JA		 3705 {
3706 .name = "log_offset",
3707 .lname = "Log offset of IO",
3708 .type = FIO_OPT_BOOL,
a609f12a 3709 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3710 .help = "Include offset of IO for each log entry",
3711 .def = "0",
3712 .category = FIO_OPT_C_LOG,
3713 .group = FIO_OPT_G_INVALID,
3714 },
aee2ab67
JA		 3715#ifdef CONFIG_ZLIB
3716 {
3717 .name = "log_compression",
3718 .lname = "Log compression",
3719 .type = FIO_OPT_INT,
a609f12a 3720 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3721 .help = "Log in compressed chunks of this size",
9919b27b 3722 .minval = 1024ULL,
aee2ab67
JA		 3723 .maxval = 512 * 1024 * 1024ULL,
3724 .category = FIO_OPT_C_LOG,
3725 .group = FIO_OPT_G_INVALID,
3726 },
c08f9fe2
JA		 3727#ifdef FIO_HAVE_CPU_AFFINITY
3728 {
3729 .name = "log_compression_cpus",
3730 .lname = "Log Compression CPUs",
3731 .type = FIO_OPT_STR,
3732 .cb = str_log_cpus_allowed_cb,
a609f12a 3733 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 3734 .parent = "log_compression",
3735 .help = "Limit log compression to these CPUs",
3736 .category = FIO_OPT_C_LOG,
3737 .group = FIO_OPT_G_INVALID,
3738 },
a275c37a
JA		 3739#else
3740 {
3741 .name = "log_compression_cpus",
3742 .lname = "Log Compression CPUs",
3743 .type = FIO_OPT_UNSUPPORTED,
3744 .help = "Your platform does not support CPU affinities",
3745 },
c08f9fe2 3746#endif
b26317c9
JA		 3747 {
3748 .name = "log_store_compressed",
3749 .lname = "Log store compressed",
3750 .type = FIO_OPT_BOOL,
a609f12a 3751 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 3752 .help = "Store logs in a compressed format",
3753 .category = FIO_OPT_C_LOG,
3754 .group = FIO_OPT_G_INVALID,
3755 },
a275c37a
JA		 3756#else
3757 {
3758 .name = "log_compression",
3759 .lname = "Log compression",
3760 .type = FIO_OPT_UNSUPPORTED,
3761 .help = "Install libz-dev(el) to get compression support",
3762 },
3763 {
3764 .name = "log_store_compressed",
3765 .lname = "Log store compressed",
3766 .type = FIO_OPT_UNSUPPORTED,
3767 .help = "Install libz-dev(el) to get compression support",
3768 },
aee2ab67 3769#endif
3aea75b1
KC		 3770 {
3771 .name = "log_unix_epoch",
3772 .lname = "Log epoch unix",
3773 .type = FIO_OPT_BOOL,
3774 .off1 = offsetof(struct thread_options, log_unix_epoch),
3775 .help = "Use Unix time in log files",
3776 .category = FIO_OPT_C_LOG,
3777 .group = FIO_OPT_G_INVALID,
3778 },
66347cfa
DE		 3779 {
3780 .name = "block_error_percentiles",
3781 .lname = "Block error percentiles",
3782 .type = FIO_OPT_BOOL,
a609f12a 3783 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 3784 .help = "Record trim block errors and make a histogram",
3785 .def = "0",
3786 .category = FIO_OPT_C_LOG,
3787 .group = FIO_OPT_G_INVALID,
3788 },
c504ee55
JA		 3789 {
3790 .name = "bwavgtime",
3791 .lname = "Bandwidth average time",
3792 .type = FIO_OPT_INT,
a609f12a 3793 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 3794 .help = "Time window over which to calculate bandwidth"
3795 " (msec)",
3796 .def = "500",
3797 .parent = "write_bw_log",
3798 .hide = 1,
3799 .interval = 100,
3800 .category = FIO_OPT_C_LOG,
3801 .group = FIO_OPT_G_INVALID,
3802 },
3803 {
3804 .name = "iopsavgtime",
3805 .lname = "IOPS average time",
3806 .type = FIO_OPT_INT,
a609f12a 3807 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 3808 .help = "Time window over which to calculate IOPS (msec)",
3809 .def = "500",
3810 .parent = "write_iops_log",
3811 .hide = 1,
3812 .interval = 100,
3813 .category = FIO_OPT_C_LOG,
3814 .group = FIO_OPT_G_INVALID,
3815 },
214e1eca
JA		 3816 {
3817 .name = "group_reporting",
e8b0e958 3818 .lname = "Group reporting",
d2507043 3819 .type = FIO_OPT_STR_SET,
a609f12a 3820 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 3821 .help = "Do reporting on a per-group basis",
10860056 3822 .category = FIO_OPT_C_STAT,
e8b0e958 3823 .group = FIO_OPT_G_INVALID,
214e1eca 3824 },
e9459e5a
JA		 3825 {
3826 .name = "zero_buffers",
e8b0e958 3827 .lname = "Zero I/O buffers",
e9459e5a 3828 .type = FIO_OPT_STR_SET,
a609f12a 3829 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 3830 .help = "Init IO buffers to all zeroes",
e8b0e958 3831 .category = FIO_OPT_C_IO,
3ceb458f 3832 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3833 },
5973cafb
JA		 3834 {
3835 .name = "refill_buffers",
e8b0e958 3836 .lname = "Refill I/O buffers",
5973cafb 3837 .type = FIO_OPT_STR_SET,
a609f12a 3838 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 3839 .help = "Refill IO buffers on every IO submit",
e8b0e958 3840 .category = FIO_OPT_C_IO,
3ceb458f 3841 .group = FIO_OPT_G_IO_BUF,
5973cafb 3842 },
fd68418e
JA		 3843 {
3844 .name = "scramble_buffers",
e8b0e958 3845 .lname = "Scramble I/O buffers",
fd68418e 3846 .type = FIO_OPT_BOOL,
a609f12a 3847 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 3848 .help = "Slightly scramble buffers on every IO submit",
3849 .def = "1",
e8b0e958 3850 .category = FIO_OPT_C_IO,
3ceb458f 3851 .group = FIO_OPT_G_IO_BUF,
fd68418e 3852 },
ce35b1ec
JA		 3853 {
3854 .name = "buffer_pattern",
3855 .lname = "Buffer pattern",
3856 .type = FIO_OPT_STR,
3857 .cb = str_buffer_pattern_cb,
a609f12a 3858 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 3859 .help = "Fill pattern for IO buffers",
3860 .category = FIO_OPT_C_IO,
3861 .group = FIO_OPT_G_IO_BUF,
3862 },
9c42684e
JA		 3863 {
3864 .name = "buffer_compress_percentage",
e8b0e958 3865 .lname = "Buffer compression percentage",
9c42684e 3866 .type = FIO_OPT_INT,
bedc9dc2 3867 .cb = str_buffer_compress_cb,
a609f12a 3868 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 3869 .maxval = 100,
e7f5de90 3870 .minval = 0,
9c42684e 3871 .help = "How compressible the buffer is (approximately)",
20eb06bd 3872 .interval = 5,
e8b0e958 3873 .category = FIO_OPT_C_IO,
3ceb458f 3874 .group = FIO_OPT_G_IO_BUF,
9c42684e 3875 },
f97a43a1
JA		 3876 {
3877 .name = "buffer_compress_chunk",
e8b0e958 3878 .lname = "Buffer compression chunk size",
f97a43a1 3879 .type = FIO_OPT_INT,
a609f12a 3880 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 3881 .parent = "buffer_compress_percentage",
d71c154c 3882 .hide = 1,
f97a43a1 3883 .help = "Size of compressible region in buffer",
20eb06bd 3884 .interval = 256,
e8b0e958 3885 .category = FIO_OPT_C_IO,
3ceb458f 3886 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3887 },
5c94b008
JA		 3888 {
3889 .name = "dedupe_percentage",
3890 .lname = "Dedupe percentage",
3891 .type = FIO_OPT_INT,
3892 .cb = str_dedupe_cb,
a609f12a 3893 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 3894 .maxval = 100,
3895 .minval = 0,
3896 .help = "Percentage of buffers that are dedupable",
3897 .interval = 1,
3898 .category = FIO_OPT_C_IO,
3899 .group = FIO_OPT_G_IO_BUF,
3900 },
83349190
YH		 3901 {
3902 .name = "clat_percentiles",
e8b0e958 3903 .lname = "Completion latency percentiles",
83349190 3904 .type = FIO_OPT_BOOL,
a609f12a 3905 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 3906 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3907 .def = "1",
e8b0e958
JA		 3908 .category = FIO_OPT_C_STAT,
3909 .group = FIO_OPT_G_INVALID,
83349190
YH		 3910 },
3911 {
3912 .name = "percentile_list",
66347cfa 3913 .lname = "Percentile list",
83349190 3914 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 3915 .off1 = offsetof(struct thread_options, percentile_list),
3916 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 3917 .help = "Specify a custom list of percentiles to report for "
3918 "completion latency and block errors",
fd112d34 3919 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3920 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3921 .minfp = 0.0,
3922 .maxfp = 100.0,
e8b0e958
JA		 3923 .category = FIO_OPT_C_STAT,
3924 .group = FIO_OPT_G_INVALID,
83349190
YH		 3925 },
3926
0a839f30
JA		 3927#ifdef FIO_HAVE_DISK_UTIL
3928 {
3929 .name = "disk_util",
e8b0e958 3930 .lname = "Disk utilization",
0a839f30 3931 .type = FIO_OPT_BOOL,
a609f12a 3932 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 3933 .help = "Log disk utilization statistics",
0a839f30 3934 .def = "1",
e8b0e958
JA		 3935 .category = FIO_OPT_C_STAT,
3936 .group = FIO_OPT_G_INVALID,
0a839f30 3937 },
a275c37a
JA		 3938#else
3939 {
3940 .name = "disk_util",
3941 .lname = "Disk utilization",
3942 .type = FIO_OPT_UNSUPPORTED,
3943 .help = "Your platform does not support disk utilization",
3944 },
0a839f30 3945#endif
993bf48b
JA		 3946 {
3947 .name = "gtod_reduce",
e8b0e958 3948 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3949 .type = FIO_OPT_BOOL,
3950 .help = "Greatly reduce number of gettimeofday() calls",
3951 .cb = str_gtod_reduce_cb,
3952 .def = "0",
a4ed77fe 3953 .hide_on_set = 1,
e8b0e958
JA		 3954 .category = FIO_OPT_C_STAT,
3955 .group = FIO_OPT_G_INVALID,
993bf48b 3956 },
02af0988
JA		 3957 {
3958 .name = "disable_lat",
e8b0e958 3959 .lname = "Disable all latency stats",
02af0988 3960 .type = FIO_OPT_BOOL,
a609f12a 3961 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 3962 .help = "Disable latency numbers",
3963 .parent = "gtod_reduce",
d71c154c 3964 .hide = 1,
02af0988 3965 .def = "0",
e8b0e958
JA		 3966 .category = FIO_OPT_C_STAT,
3967 .group = FIO_OPT_G_INVALID,
02af0988 3968 },
9520ebb9
JA		 3969 {
3970 .name = "disable_clat",
e8b0e958 3971 .lname = "Disable completion latency stats",
9520ebb9 3972 .type = FIO_OPT_BOOL,
a609f12a 3973 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 3974 .help = "Disable completion latency numbers",
993bf48b 3975 .parent = "gtod_reduce",
d71c154c 3976 .hide = 1,
9520ebb9 3977 .def = "0",
e8b0e958
JA		 3978 .category = FIO_OPT_C_STAT,
3979 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3980 },
3981 {
3982 .name = "disable_slat",
e8b0e958 3983 .lname = "Disable submission latency stats",
9520ebb9 3984 .type = FIO_OPT_BOOL,
a609f12a 3985 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 3986 .help = "Disable submission latency numbers",
993bf48b 3987 .parent = "gtod_reduce",
d71c154c 3988 .hide = 1,
9520ebb9 3989 .def = "0",
e8b0e958
JA		 3990 .category = FIO_OPT_C_STAT,
3991 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 3992 },
3993 {
3994 .name = "disable_bw_measurement",
afd2ceff 3995 .alias = "disable_bw",
e8b0e958 3996 .lname = "Disable bandwidth stats",
9520ebb9 3997 .type = FIO_OPT_BOOL,
a609f12a 3998 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 3999 .help = "Disable bandwidth logging",
993bf48b 4000 .parent = "gtod_reduce",
d71c154c 4001 .hide = 1,
9520ebb9 4002 .def = "0",
e8b0e958
JA		 4003 .category = FIO_OPT_C_STAT,
4004 .group = FIO_OPT_G_INVALID,
9520ebb9 4005 },
be4ecfdf
JA		 4006 {
4007 .name = "gtod_cpu",
e8b0e958 4008 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4009 .type = FIO_OPT_INT,
a609f12a 4010 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4011 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4012 .verify = gtod_cpu_verify,
e8b0e958 4013 .category = FIO_OPT_C_GENERAL,
10860056 4014 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4015 },
771e58be
JA		 4016 {
4017 .name = "unified_rw_reporting",
cce2fdfe 4018 .lname = "Unified RW Reporting",
771e58be 4019 .type = FIO_OPT_BOOL,
a609f12a 4020 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4021 .help = "Unify reporting across data direction",
4022 .def = "0",
90b7a96d
JA		 4023 .category = FIO_OPT_C_GENERAL,
4024 .group = FIO_OPT_G_INVALID,
771e58be 4025 },
f2bba182
RR		 4026 {
4027 .name = "continue_on_error",
e8b0e958 4028 .lname = "Continue on error",
06842027 4029 .type = FIO_OPT_STR,
a609f12a 4030 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4031 .help = "Continue on non-fatal errors during IO",
06842027 4032 .def = "none",
e8b0e958 4033 .category = FIO_OPT_C_GENERAL,
bc3f552f 4034 .group = FIO_OPT_G_ERR,
06842027
SL		 4035 .posval = {
4036 { .ival = "none",
4037 .oval = ERROR_TYPE_NONE,
4038 .help = "Exit when an error is encountered",
4039 },
4040 { .ival = "read",
4041 .oval = ERROR_TYPE_READ,
4042 .help = "Continue on read errors only",
4043 },
4044 { .ival = "write",
4045 .oval = ERROR_TYPE_WRITE,
4046 .help = "Continue on write errors only",
4047 },
4048 { .ival = "io",
4049 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4050 .help = "Continue on any IO errors",
4051 },
4052 { .ival = "verify",
4053 .oval = ERROR_TYPE_VERIFY,
4054 .help = "Continue on verify errors only",
4055 },
4056 { .ival = "all",
4057 .oval = ERROR_TYPE_ANY,
4058 .help = "Continue on all io and verify errors",
4059 },
4060 { .ival = "0",
4061 .oval = ERROR_TYPE_NONE,
4062 .help = "Alias for 'none'",
4063 },
4064 { .ival = "1",
4065 .oval = ERROR_TYPE_ANY,
4066 .help = "Alias for 'all'",
4067 },
4068 },
f2bba182 4069 },
8b28bd41
DM		 4070 {
4071 .name = "ignore_error",
cce2fdfe 4072 .lname = "Ignore Error",
8b28bd41
DM		 4073 .type = FIO_OPT_STR,
4074 .cb = str_ignore_error_cb,
a609f12a 4075 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4076 .help = "Set a specific list of errors to ignore",
4077 .parent = "rw",
a94eb99a 4078 .category = FIO_OPT_C_GENERAL,
bc3f552f 4079 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4080 },
4081 {
4082 .name = "error_dump",
cce2fdfe 4083 .lname = "Error Dump",
8b28bd41 4084 .type = FIO_OPT_BOOL,
a609f12a 4085 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4086 .def = "0",
4087 .help = "Dump info on each error",
a94eb99a 4088 .category = FIO_OPT_C_GENERAL,
bc3f552f 4089 .group = FIO_OPT_G_ERR,
8b28bd41 4090 },
9ac8a797
JA		 4091 {
4092 .name = "profile",
e8b0e958 4093 .lname = "Profile",
79d16311 4094 .type = FIO_OPT_STR_STORE,
a609f12a 4095 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4096 .help = "Select a specific builtin performance test",
13fca827 4097 .category = FIO_OPT_C_PROFILE,
e8b0e958 4098 .group = FIO_OPT_G_INVALID,
9ac8a797 4099 },
a696fa2a
JA		 4100 {
4101 .name = "cgroup",
e8b0e958 4102 .lname = "Cgroup",
a696fa2a 4103 .type = FIO_OPT_STR_STORE,
a609f12a 4104 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4105 .help = "Add job to cgroup of this name",
e8b0e958 4106 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4107 .group = FIO_OPT_G_CGROUP,
4108 },
4109 {
4110 .name = "cgroup_nodelete",
4111 .lname = "Cgroup no-delete",
4112 .type = FIO_OPT_BOOL,
a609f12a 4113 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4114 .help = "Do not delete cgroups after job completion",
4115 .def = "0",
4116 .parent = "cgroup",
4117 .category = FIO_OPT_C_GENERAL,
4118 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4119 },
4120 {
4121 .name = "cgroup_weight",
e8b0e958 4122 .lname = "Cgroup weight",
a696fa2a 4123 .type = FIO_OPT_INT,
a609f12a 4124 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4125 .help = "Use given weight for cgroup",
4126 .minval = 100,
4127 .maxval = 1000,
a1f6afec 4128 .parent = "cgroup",
e8b0e958 4129 .category = FIO_OPT_C_GENERAL,
a1f6afec 4130 .group = FIO_OPT_G_CGROUP,
7de87099 4131 },
e0b0d892
JA		 4132 {
4133 .name = "uid",
e8b0e958 4134 .lname = "User ID",
e0b0d892 4135 .type = FIO_OPT_INT,
a609f12a 4136 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4137 .help = "Run job with this user ID",
e8b0e958 4138 .category = FIO_OPT_C_GENERAL,
10860056 4139 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4140 },
4141 {
4142 .name = "gid",
e8b0e958 4143 .lname = "Group ID",
e0b0d892 4144 .type = FIO_OPT_INT,
a609f12a 4145 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4146 .help = "Run job with this group ID",
e8b0e958 4147 .category = FIO_OPT_C_GENERAL,
10860056 4148 .group = FIO_OPT_G_CRED,
e0b0d892 4149 },
a1f6afec
JA		 4150 {
4151 .name = "kb_base",
4152 .lname = "KB Base",
4153 .type = FIO_OPT_INT,
a609f12a 4154 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4155 .prio = 1,
4156 .def = "1024",
ba9c7219
JA		 4157 .posval = {
4158 { .ival = "1024",
4159 .oval = 1024,
4160 .help = "Use 1024 as the K base",
4161 },
4162 { .ival = "1000",
4163 .oval = 1000,
4164 .help = "Use 1000 as the K base",
4165 },
4166 },
a1f6afec
JA		 4167 .help = "How many bytes per KB for reporting (1000 or 1024)",
4168 .category = FIO_OPT_C_GENERAL,
4169 .group = FIO_OPT_G_INVALID,
4170 },
cf3a0518
JA		 4171 {
4172 .name = "unit_base",
ba9c7219 4173 .lname = "Base unit for reporting (Bits or Bytes)",
cf3a0518 4174 .type = FIO_OPT_INT,
a609f12a 4175 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4176 .prio = 1,
71a08258
JA		 4177 .posval = {
4178 { .ival = "0",
4179 .oval = 0,
4180 .help = "Auto-detect",
4181 },
4182 { .ival = "8",
4183 .oval = 8,
4184 .help = "Normal (byte based)",
4185 },
4186 { .ival = "1",
4187 .oval = 1,
4188 .help = "Bit based",
4189 },
4190 },
cf3a0518
JA		 4191 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4192 .category = FIO_OPT_C_GENERAL,
4193 .group = FIO_OPT_G_INVALID,
4194 },
3ceb458f
JA		 4195 {
4196 .name = "hugepage-size",
4197 .lname = "Hugepage size",
4198 .type = FIO_OPT_INT,
a609f12a 4199 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4200 .help = "When using hugepages, specify size of each page",
4201 .def = __fio_stringify(FIO_HUGE_PAGE),
4202 .interval = 1024 * 1024,
4203 .category = FIO_OPT_C_GENERAL,
4204 .group = FIO_OPT_G_INVALID,
4205 },
9e684a49
DE		 4206 {
4207 .name = "flow_id",
e8b0e958 4208 .lname = "I/O flow ID",
9e684a49 4209 .type = FIO_OPT_INT,
a609f12a 4210 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4211 .help = "The flow index ID to use",
4212 .def = "0",
e8b0e958
JA		 4213 .category = FIO_OPT_C_IO,
4214 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4215 },
4216 {
4217 .name = "flow",
e8b0e958 4218 .lname = "I/O flow weight",
9e684a49 4219 .type = FIO_OPT_INT,
a609f12a 4220 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4221 .help = "Weight for flow control of this job",
4222 .parent = "flow_id",
d71c154c 4223 .hide = 1,
9e684a49 4224 .def = "0",
e8b0e958
JA		 4225 .category = FIO_OPT_C_IO,
4226 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4227 },
4228 {
4229 .name = "flow_watermark",
e8b0e958 4230 .lname = "I/O flow watermark",
9e684a49 4231 .type = FIO_OPT_INT,
a609f12a 4232 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4233 .help = "High watermark for flow control. This option"
4234 " should be set to the same value for all threads"
4235 " with non-zero flow.",
4236 .parent = "flow_id",
d71c154c 4237 .hide = 1,
9e684a49 4238 .def = "1024",
e8b0e958
JA		 4239 .category = FIO_OPT_C_IO,
4240 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4241 },
4242 {
4243 .name = "flow_sleep",
e8b0e958 4244 .lname = "I/O flow sleep",
9e684a49 4245 .type = FIO_OPT_INT,
a609f12a 4246 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4247 .help = "How many microseconds to sleep after being held"
4248 " back by the flow control mechanism",
4249 .parent = "flow_id",
d71c154c 4250 .hide = 1,
9e684a49 4251 .def = "0",
e8b0e958
JA		 4252 .category = FIO_OPT_C_IO,
4253 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4254 },
65fa28ca
DE		 4255 {
4256 .name = "skip_bad",
4257 .lname = "Skip operations against bad blocks",
4258 .type = FIO_OPT_BOOL,
a609f12a 4259 .off1 = offsetof(struct thread_options, skip_bad),
65fa28ca
DE		 4260 .help = "Skip operations against known bad blocks.",
4261 .hide = 1,
4262 .def = "0",
4263 .category = FIO_OPT_C_IO,
4264 .group = FIO_OPT_G_MTD,
4265 },
16e56d25
VF		 4266 {
4267 .name = "steadystate",
4268 .lname = "Steady state threshold",
4269 .alias = "ss",
4270 .type = FIO_OPT_STR,
2c5d94bc 4271 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4272 .cb = str_steadystate_cb,
4273 .help = "Define the criterion and limit to judge when a job has reached steady state",
4274 .def = "iops_slope:0.01%",
4275 .posval = {
4276 { .ival = "iops",
f0c50c66 4277 .oval = FIO_SS_IOPS,
16e56d25
VF		 4278 .help = "maximum mean deviation of IOPS measurements",
4279 },
4280 { .ival = "iops_slope",
f0c50c66 4281 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4282 .help = "slope calculated from IOPS measurements",
4283 },
4284 { .ival = "bw",
f0c50c66 4285 .oval = FIO_SS_BW,
16e56d25
VF		 4286 .help = "maximum mean deviation of bandwidth measurements",
4287 },
4288 {
4289 .ival = "bw_slope",
f0c50c66 4290 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4291 .help = "slope calculated from bandwidth measurements",
4292 },
4293 },
4294 .category = FIO_OPT_C_GENERAL,
4295 .group = FIO_OPT_G_RUNTIME,
4296 },
4297 {
4298 .name = "steadystate_duration",
4299 .lname = "Steady state duration",
4300 .alias = "ss_dur",
4301 .type = FIO_OPT_STR_VAL_TIME,
4302 .off1 = offsetof(struct thread_options, ss_dur),
4303 .help = "Stop workload upon attaining steady state for specified duration",
4304 .def = "0",
4305 .is_seconds = 1,
4306 .is_time = 1,
4307 .category = FIO_OPT_C_GENERAL,
4308 .group = FIO_OPT_G_RUNTIME,
4309 },
4310 {
4311 .name = "steadystate_ramp_time",
4312 .lname = "Steady state ramp time",
4313 .alias = "ss_ramp",
4314 .type = FIO_OPT_STR_VAL_TIME,
4315 .off1 = offsetof(struct thread_options, ss_ramp_time),
4316 .help = "Delay before initiation of data collection for steady state job termination testing",
4317 .def = "0",
4318 .is_seconds = 1,
4319 .is_time = 1,
4320 .category = FIO_OPT_C_GENERAL,
4321 .group = FIO_OPT_G_RUNTIME,
4322 },
214e1eca
JA		 4323 {
4324 .name = NULL,
4325 },
4326};
4327
17af15d4 4328static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4329 const char *name, int val)
9f81736c 4330{
17af15d4 4331 lopt->name = (char *) name;
de890a1e 4332 lopt->val = val;
9f81736c 4333 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4334 lopt->has_arg = optional_argument;
9f81736c
JA		 4335 else
4336 lopt->has_arg = required_argument;
4337}
4338
de890a1e
SL		 4339static void options_to_lopts(struct fio_option *opts,
4340 struct option *long_options,
4341 int i, int option_type)
214e1eca 4342{
de890a1e 4343 struct fio_option *o = &opts[0];
214e1eca 4344 while (o->name) {
de890a1e 4345 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4346 if (o->alias) {
4347 i++;
de890a1e 4348 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4349 }
214e1eca
JA		 4350
4351 i++;
4352 o++;
4353 assert(i < FIO_NR_OPTIONS);
4354 }
4355}
4356
de890a1e
SL		 4357void fio_options_set_ioengine_opts(struct option *long_options,
4358 struct thread_data *td)
4359{
4360 unsigned int i;
4361
4362 i = 0;
4363 while (long_options[i].name) {
4364 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4365 memset(&long_options[i], 0, sizeof(*long_options));
4366 break;
4367 }
4368 i++;
4369 }
4370
4371 /*
4372 * Just clear out the prior ioengine options.
4373 */
4374 if (!td || !td->eo)
4375 return;
4376
4377 options_to_lopts(td->io_ops->options, long_options, i,
4378 FIO_GETOPT_IOENGINE);
4379}
4380
4381void fio_options_dup_and_init(struct option *long_options)
4382{
4383 unsigned int i;
4384
9af4a244 4385 options_init(fio_options);
de890a1e
SL		 4386
4387 i = 0;
4388 while (long_options[i].name)
4389 i++;
4390
9af4a244 4391 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4392}
4393
74929ac2
JA		 4394struct fio_keyword {
4395 const char *word;
4396 const char *desc;
4397 char *replace;
4398};
4399
4400static struct fio_keyword fio_keywords[] = {
4401 {
4402 .word = "$pagesize",
4403 .desc = "Page size in the system",
4404 },
4405 {
4406 .word = "$mb_memory",
4407 .desc = "Megabytes of memory online",
4408 },
4409 {
4410 .word = "$ncpus",
4411 .desc = "Number of CPUs online in the system",
4412 },
4413 {
4414 .word = NULL,
4415 },
4416};
4417
af1dc266
JA		 4418void fio_keywords_exit(void)
4419{
4420 struct fio_keyword *kw;
4421
4422 kw = &fio_keywords[0];
4423 while (kw->word) {
4424 free(kw->replace);
4425 kw->replace = NULL;
4426 kw++;
4427 }
4428}
4429
74929ac2
JA		 4430void fio_keywords_init(void)
4431{
3b2e1464 4432 unsigned long long mb_memory;
74929ac2
JA		 4433 char buf[128];
4434 long l;
4435
a4cfc477 4436 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4437 fio_keywords[0].replace = strdup(buf);
4438
8eb016d3 4439 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4440 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4441 fio_keywords[1].replace = strdup(buf);
4442
c00a2289 4443 l = cpus_online();
74929ac2
JA		 4444 sprintf(buf, "%lu", l);
4445 fio_keywords[2].replace = strdup(buf);
4446}
4447
892a6ffc
JA		 4448#define BC_APP "bc"
4449
4450static char *bc_calc(char *str)
4451{
d0c814ec 4452 char buf[128], *tmp;
892a6ffc
JA		 4453 FILE *f;
4454 int ret;
4455
4456 /*
4457 * No math, just return string
4458 */
d0c814ec
SL		 4459 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4460 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4461 return str;
4462
4463 /*
4464 * Split option from value, we only need to calculate the value
4465 */
4466 tmp = strchr(str, '=');
4467 if (!tmp)
4468 return str;
4469
4470 tmp++;
892a6ffc 4471
d0c814ec
SL		 4472 /*
4473 * Prevent buffer overflows; such a case isn't reasonable anyway
4474 */
4475 if (strlen(str) >= 128 || strlen(tmp) > 100)
4476 return str;
892a6ffc
JA		 4477
4478 sprintf(buf, "which %s > /dev/null", BC_APP);
4479 if (system(buf)) {
4480 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4481 return NULL;
4482 }
4483
d0c814ec 4484 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4485 f = popen(buf, "r");
3c3ed070 4486 if (!f)
892a6ffc 4487 return NULL;
892a6ffc 4488
d0c814ec 4489 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4490 if (ret <= 0) {
4491 pclose(f);
892a6ffc 4492 return NULL;
1d824f37 4493 }
892a6ffc 4494
892a6ffc 4495 pclose(f);
d0c814ec
SL		 4496 buf[(tmp - str) + ret - 1] = '\0';
4497 memcpy(buf, str, tmp - str);
892a6ffc 4498 free(str);
d0c814ec
SL		 4499 return strdup(buf);
4500}
4501
4502/*
4503 * Return a copy of the input string with substrings of the form ${VARNAME}
4504 * substituted with the value of the environment variable VARNAME. The
4505 * substitution always occurs, even if VARNAME is empty or the corresponding
4506 * environment variable undefined.
4507 */
4508static char *option_dup_subs(const char *opt)
4509{
4510 char out[OPT_LEN_MAX+1];
4511 char in[OPT_LEN_MAX+1];
4512 char *outptr = out;
4513 char *inptr = in;
4514 char *ch1, *ch2, *env;
4515 ssize_t nchr = OPT_LEN_MAX;
4516 size_t envlen;
4517
4518 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4519 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4520 return NULL;
4521 }
4522
4523 in[OPT_LEN_MAX] = '\0';
4524 strncpy(in, opt, OPT_LEN_MAX);
4525
4526 while (*inptr && nchr > 0) {
4527 if (inptr[0] == '$' && inptr[1] == '{') {
4528 ch2 = strchr(inptr, '}');
4529 if (ch2 && inptr+1 < ch2) {
4530 ch1 = inptr+2;
4531 inptr = ch2+1;
4532 *ch2 = '\0';
4533
4534 env = getenv(ch1);
4535 if (env) {
4536 envlen = strlen(env);
4537 if (envlen <= nchr) {
4538 memcpy(outptr, env, envlen);
4539 outptr += envlen;
4540 nchr -= envlen;
4541 }
4542 }
4543
4544 continue;
4545 }
4546 }
4547
4548 *outptr++ = *inptr++;
4549 --nchr;
4550 }
4551
4552 *outptr = '\0';
4553 return strdup(out);
892a6ffc
JA		 4554}
4555
74929ac2
JA		 4556/*
4557 * Look for reserved variable names and replace them with real values
4558 */
4559static char *fio_keyword_replace(char *opt)
4560{
4561 char *s;
4562 int i;
d0c814ec 4563 int docalc = 0;
74929ac2
JA		 4564
4565 for (i = 0; fio_keywords[i].word != NULL; i++) {
4566 struct fio_keyword *kw = &fio_keywords[i];
4567
4568 while ((s = strstr(opt, kw->word)) != NULL) {
4569 char *new = malloc(strlen(opt) + 1);
4570 char *o_org = opt;
4571 int olen = s - opt;
4572 int len;
4573
4574 /*
4575 * Copy part of the string before the keyword and
4576 * sprintf() the replacement after it.
4577 */
4578 memcpy(new, opt, olen);
4579 len = sprintf(new + olen, "%s", kw->replace);
4580
4581 /*
4582 * If there's more in the original string, copy that
4583 * in too
4584 */
4585 opt += strlen(kw->word) + olen;
4586 if (strlen(opt))
4587 memcpy(new + olen + len, opt, opt - o_org - 1);
4588
4589 /*
4590 * replace opt and free the old opt
4591 */
4592 opt = new;
d0c814ec 4593 free(o_org);
7a958bd5 4594
d0c814ec 4595 docalc = 1;
74929ac2
JA		 4596 }
4597 }
4598
d0c814ec
SL		 4599 /*
4600 * Check for potential math and invoke bc, if possible
4601 */
4602 if (docalc)
4603 opt = bc_calc(opt);
4604
7a958bd5 4605 return opt;
74929ac2
JA		 4606}
4607
d0c814ec
SL		 4608static char **dup_and_sub_options(char **opts, int num_opts)
4609{
4610 int i;
4611 char **opts_copy = malloc(num_opts * sizeof(*opts));
4612 for (i = 0; i < num_opts; i++) {
4613 opts_copy[i] = option_dup_subs(opts[i]);
4614 if (!opts_copy[i])
4615 continue;
4616 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4617 }
4618 return opts_copy;
4619}
4620
e15b023b 4621static void show_closest_option(const char *opt)
a2d027b9
JA		 4622{
4623 int best_option, best_distance;
4624 int i, distance;
e15b023b
JA		 4625 char *name;
4626
4627 if (!strlen(opt))
4628 return;
4629
4630 name = strdup(opt);
4631 i = 0;
4632 while (name[i] != '\0' && name[i] != '=')
4633 i++;
4634 name[i] = '\0';
a2d027b9
JA		 4635
4636 best_option = -1;
4637 best_distance = INT_MAX;
4638 i = 0;
4639 while (fio_options[i].name) {
4640 distance = string_distance(name, fio_options[i].name);
4641 if (distance < best_distance) {
4642 best_distance = distance;
4643 best_option = i;
4644 }
4645 i++;
4646 }
4647
75e6bcba
JA		 4648 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4649 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4650 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4651
4652 free(name);
a2d027b9
JA		 4653}
4654
c2292325 4655int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4656{
de890a1e 4657 int i, ret, unknown;
d0c814ec 4658 char **opts_copy;
3b8b7135 4659
9af4a244 4660 sort_options(opts, fio_options, num_opts);
d0c814ec 4661 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4662
de890a1e
SL		 4663 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4664 struct fio_option *o;
9af4a244 4665 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4666 &o, &td->o, &td->opt_list);
d0c814ec 4667
a8523a6a
JA		 4668 if (!newret && o)
4669 fio_option_mark_set(&td->o, o);
4670
de890a1e
SL		 4671 if (opts_copy[i]) {
4672 if (newret && !o) {
4673 unknown++;
4674 continue;
4675 }
d0c814ec 4676 free(opts_copy[i]);
de890a1e
SL		 4677 opts_copy[i] = NULL;
4678 }
4679
4680 ret |= newret;
4681 }
4682
4683 if (unknown) {
4684 ret |= ioengine_load(td);
4685 if (td->eo) {
4686 sort_options(opts_copy, td->io_ops->options, num_opts);
4687 opts = opts_copy;
4688 }
4689 for (i = 0; i < num_opts; i++) {
4690 struct fio_option *o = NULL;
4691 int newret = 1;
a2d027b9 4692
de890a1e
SL		 4693 if (!opts_copy[i])
4694 continue;
4695
4696 if (td->eo)
4697 newret = parse_option(opts_copy[i], opts[i],
4698 td->io_ops->options, &o,
66e19a38 4699 td->eo, &td->opt_list);
de890a1e
SL		 4700
4701 ret |= newret;
a2d027b9 4702 if (!o) {
de890a1e 4703 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4704 show_closest_option(opts[i]);
4705 }
de890a1e
SL		 4706 free(opts_copy[i]);
4707 opts_copy[i] = NULL;
4708 }
74929ac2 4709 }
3b8b7135 4710
d0c814ec 4711 free(opts_copy);
3b8b7135 4712 return ret;
214e1eca
JA		 4713}
4714
4715int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4716{
a8523a6a
JA		 4717 int ret;
4718
a609f12a 4719 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a
JA		 4720 if (!ret) {
4721 struct fio_option *o;
4722
4723 o = find_option(fio_options, opt);
4724 if (o)
4725 fio_option_mark_set(&td->o, o);
4726 }
4727
4728 return ret;
214e1eca
JA		 4729}
4730
de890a1e
SL		 4731int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4732 char *val)
4733{
d8b4f395
JA		 4734 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4735 &td->opt_list);
de890a1e
SL		 4736}
4737
214e1eca
JA		 4738void fio_fill_default_options(struct thread_data *td)
4739{
cb1402d6 4740 td->o.magic = OPT_MAGIC;
a609f12a 4741 fill_default_options(&td->o, fio_options);
214e1eca
JA		 4742}
4743
4744int fio_show_option_help(const char *opt)
4745{
9af4a244 4746 return show_cmd_help(fio_options, opt);
214e1eca 4747}
d23bb327 4748
de890a1e 4749void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 4750{
de890a1e 4751 struct fio_option *o;
d23bb327 4752 char **ptr;
d23bb327 4753
de890a1e
SL		 4754 for (o = &options[0]; o->name; o++) {
4755 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 4756 continue;
4757
f0fdbcaf 4758 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 4759 if (*ptr)
4760 *ptr = strdup(*ptr);
d23bb327
JA		 4761 }
4762}
4763
de890a1e
SL		 4764/*
4765 * dupe FIO_OPT_STR_STORE options
4766 */
4767void fio_options_mem_dupe(struct thread_data *td)
4768{
9af4a244 4769 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 4770
4771 if (td->eo && td->io_ops) {
de890a1e 4772 void *oldeo = td->eo;
1647f592 4773
de890a1e
SL		 4774 td->eo = malloc(td->io_ops->option_struct_size);
4775 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4776 options_mem_dupe(td->eo, td->io_ops->options);
4777 }
4778}
4779
d6978a32
JA		 4780unsigned int fio_get_kb_base(void *data)
4781{
a609f12a
JA		 4782 struct thread_data *td = cb_data_to_td(data);
4783 struct thread_options *o = &td->o;
d6978a32
JA		 4784 unsigned int kb_base = 0;
4785
cb1402d6
JA		 4786 /*
4787 * This is a hack... For private options, *data is not holding
4788 * a pointer to the thread_options, but to private data. This means
4789 * we can't safely dereference it, but magic is first so mem wise
4790 * it is valid. But this also means that if the job first sets
4791 * kb_base and expects that to be honored by private options,
4792 * it will be disappointed. We will return the global default
4793 * for this.
4794 */
4795 if (o && o->magic == OPT_MAGIC)
83ea422a 4796 kb_base = o->kb_base;
d6978a32
JA		 4797 if (!kb_base)
4798 kb_base = 1024;
4799
4800 return kb_base;
4801}
9f988e2e 4802
07b3232d 4803int add_option(struct fio_option *o)
9f988e2e 4804{
07b3232d
JA		 4805 struct fio_option *__o;
4806 int opt_index = 0;
4807
9af4a244 4808 __o = fio_options;
07b3232d
JA		 4809 while (__o->name) {
4810 opt_index++;
4811 __o++;
4812 }
4813
7b504edd
JA		 4814 if (opt_index + 1 == FIO_MAX_OPTS) {
4815 log_err("fio: FIO_MAX_OPTS is too small\n");
4816 return 1;
4817 }
4818
9af4a244 4819 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4820 fio_options[opt_index + 1].name = NULL;
07b3232d 4821 return 0;
9f988e2e 4822}
e2de69da 4823
07b3232d 4824void invalidate_profile_options(const char *prof_name)
e2de69da 4825{
07b3232d 4826 struct fio_option *o;
e2de69da 4827
9af4a244 4828 o = fio_options;
07b3232d
JA		 4829 while (o->name) {
4830 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4831 o->type = FIO_OPT_INVALID;
4832 o->prof_name = NULL;
4833 }
4834 o++;
e2de69da
JA		 4835 }
4836}
f5b6bb85
JA		 4837
4838void add_opt_posval(const char *optname, const char *ival, const char *help)
4839{
4840 struct fio_option *o;
4841 unsigned int i;
4842
9af4a244 4843 o = find_option(fio_options, optname);
f5b6bb85
JA		 4844 if (!o)
4845 return;
4846
4847 for (i = 0; i < PARSE_MAX_VP; i++) {
4848 if (o->posval[i].ival)
4849 continue;
4850
4851 o->posval[i].ival = ival;
4852 o->posval[i].help = help;
4853 break;
4854 }
4855}
4856
4857void del_opt_posval(const char *optname, const char *ival)
4858{
4859 struct fio_option *o;
4860 unsigned int i;
4861
9af4a244 4862 o = find_option(fio_options, optname);
f5b6bb85
JA		 4863 if (!o)
4864 return;
4865
4866 for (i = 0; i < PARSE_MAX_VP; i++) {
4867 if (!o->posval[i].ival)
4868 continue;
4869 if (strcmp(o->posval[i].ival, ival))
4870 continue;
4871
4872 o->posval[i].ival = NULL;
4873 o->posval[i].help = NULL;
4874 }
4875}
7e356b2d
JA		 4876
4877void fio_options_free(struct thread_data *td)
4878{
ca6336a8 4879 options_free(fio_options, &td->o);
de890a1e
SL		 4880 if (td->eo && td->io_ops && td->io_ops->options) {
4881 options_free(td->io_ops->options, td->eo);
4882 free(td->eo);
4883 td->eo = NULL;
4884 }
7e356b2d 4885}
c504ee55
JA		 4886
4887struct fio_option *fio_option_find(const char *name)
4888{
4889 return find_option(fio_options, name);
4890}
4891
f0e7f45a
JA		 4892static struct fio_option *find_next_opt(struct thread_options *o,
4893 struct fio_option *from,
4894 unsigned int off1)
a8523a6a 4895{
f0e7f45a 4896 struct fio_option *opt;
a8523a6a 4897
f0e7f45a
JA		 4898 if (!from)
4899 from = &fio_options[0];
4900 else
4901 from++;
4902
4903 opt = NULL;
4904 do {
4905 if (off1 == from->off1) {
4906 opt = from;
a8523a6a
JA		 4907 break;
4908 }
f0e7f45a
JA		 4909 from++;
4910 } while (from->name);
a8523a6a 4911
f0e7f45a
JA		 4912 return opt;
4913}
4914
4915static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4916{
4917 unsigned int opt_off, index, offset;
a8523a6a
JA		 4918
4919 opt_off = opt - &fio_options[0];
4920 index = opt_off / (8 * sizeof(uint64_t));
4921 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4922 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 4923}
4924
72f39748 4925bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 4926{
4927 struct fio_option *opt, *next;
4928
4929 next = NULL;
4930 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4931 if (opt_is_set(o, opt))
72f39748 4932 return true;
f0e7f45a
JA		 4933
4934 next = opt;
4935 }
4936
72f39748 4937 return false;
f0e7f45a
JA		 4938}
4939
a8523a6a
JA		 4940void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4941{
4942 unsigned int opt_off, index, offset;
4943
4944 opt_off = opt - &fio_options[0];
4945 index = opt_off / (8 * sizeof(uint64_t));
4946 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4947 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 4948}
fio - Flexible IO Tester