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Improve IEC binary and SI decimal prefix handling
[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
104ee4de
DJ		 1772#endif
1773#ifdef CONFIG_LINUX_DEVDAX
1774 { .ival = "dev-dax",
1775 .help = "DAX Device based IO engine",
1776 },
1b10477b 1777#endif
214e1eca
JA		 1778 { .ival = "external",
1779 .help = "Load external engine (append name)",
1780 },
1781 },
1782 },
1783 {
1784 .name = "iodepth",
e8b0e958 1785 .lname = "IO Depth",
214e1eca 1786 .type = FIO_OPT_INT,
a609f12a 1787 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1788 .help = "Number of IO buffers to keep in flight",
757aff4f 1789 .minval = 1,
20eb06bd 1790 .interval = 1,
214e1eca 1791 .def = "1",
e8b0e958 1792 .category = FIO_OPT_C_IO,
0626037e 1793 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1794 },
1795 {
1796 .name = "iodepth_batch",
e8b0e958 1797 .lname = "IO Depth batch",
4950421a 1798 .alias = "iodepth_batch_submit",
214e1eca 1799 .type = FIO_OPT_INT,
a609f12a 1800 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1801 .help = "Number of IO buffers to submit in one go",
afdf9352 1802 .parent = "iodepth",
d71c154c 1803 .hide = 1,
20eb06bd 1804 .interval = 1,
a2e6f8ac 1805 .def = "1",
e8b0e958 1806 .category = FIO_OPT_C_IO,
0626037e 1807 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 1808 },
1809 {
82407585
RP		 1810 .name = "iodepth_batch_complete_min",
1811 .lname = "Min IO depth batch complete",
1812 .alias = "iodepth_batch_complete",
4950421a 1813 .type = FIO_OPT_INT,
a609f12a 1814 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1815 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1816 .parent = "iodepth",
d71c154c 1817 .hide = 1,
4950421a 1818 .minval = 0,
20eb06bd 1819 .interval = 1,
4950421a 1820 .def = "1",
e8b0e958 1821 .category = FIO_OPT_C_IO,
0626037e 1822 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1823 },
82407585
RP		 1824 {
1825 .name = "iodepth_batch_complete_max",
1826 .lname = "Max IO depth batch complete",
1827 .type = FIO_OPT_INT,
a609f12a 1828 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 1829 .help = "Max number of IO buffers to retrieve in one go",
1830 .parent = "iodepth",
1831 .hide = 1,
1832 .minval = 0,
1833 .interval = 1,
1834 .category = FIO_OPT_C_IO,
1835 .group = FIO_OPT_G_IO_BASIC,
1836 },
214e1eca
JA		 1837 {
1838 .name = "iodepth_low",
e8b0e958 1839 .lname = "IO Depth batch low",
214e1eca 1840 .type = FIO_OPT_INT,
a609f12a 1841 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1842 .help = "Low water mark for queuing depth",
afdf9352 1843 .parent = "iodepth",
d71c154c 1844 .hide = 1,
20eb06bd 1845 .interval = 1,
e8b0e958 1846 .category = FIO_OPT_C_IO,
0626037e 1847 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1848 },
a9da8ab2
JA		 1849 {
1850 .name = "io_submit_mode",
1851 .lname = "IO submit mode",
1852 .type = FIO_OPT_STR,
a609f12a 1853 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 1854 .help = "How IO submissions and completions are done",
1855 .def = "inline",
1856 .category = FIO_OPT_C_IO,
1857 .group = FIO_OPT_G_IO_BASIC,
1858 .posval = {
1859 { .ival = "inline",
1860 .oval = IO_MODE_INLINE,
1861 .help = "Submit and complete IO inline",
1862 },
1863 { .ival = "offload",
1864 .oval = IO_MODE_OFFLOAD,
1865 .help = "Offload submit and complete to threads",
1866 },
1867 },
1868 },
214e1eca
JA		 1869 {
1870 .name = "size",
e8b0e958 1871 .lname = "Size",
214e1eca 1872 .type = FIO_OPT_STR_VAL,
7bb59102 1873 .cb = str_size_cb,
a609f12a 1874 .off1 = offsetof(struct thread_options, size),
214e1eca 1875 .help = "Total size of device or files",
20eb06bd 1876 .interval = 1024 * 1024,
e8b0e958
JA		 1877 .category = FIO_OPT_C_IO,
1878 .group = FIO_OPT_G_INVALID,
214e1eca 1879 },
77731b29 1880 {
a4d3b4db
JA		 1881 .name = "io_size",
1882 .alias = "io_limit",
1883 .lname = "IO Size",
77731b29 1884 .type = FIO_OPT_STR_VAL,
a609f12a 1885 .off1 = offsetof(struct thread_options, io_limit),
77731b29
JA		 1886 .interval = 1024 * 1024,
1887 .category = FIO_OPT_C_IO,
1888 .group = FIO_OPT_G_INVALID,
1889 },
aa31f1f1
SL		 1890 {
1891 .name = "fill_device",
e8b0e958 1892 .lname = "Fill device",
74586c1e 1893 .alias = "fill_fs",
aa31f1f1 1894 .type = FIO_OPT_BOOL,
a609f12a 1895 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 1896 .help = "Write until an ENOSPC error occurs",
1897 .def = "0",
e8b0e958
JA		 1898 .category = FIO_OPT_C_FILE,
1899 .group = FIO_OPT_G_INVALID,
aa31f1f1 1900 },
214e1eca
JA		 1901 {
1902 .name = "filesize",
e8b0e958 1903 .lname = "File size",
214e1eca 1904 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 1905 .off1 = offsetof(struct thread_options, file_size_low),
1906 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 1907 .minval = 1,
214e1eca 1908 .help = "Size of individual files",
20eb06bd 1909 .interval = 1024 * 1024,
e8b0e958
JA		 1910 .category = FIO_OPT_C_FILE,
1911 .group = FIO_OPT_G_INVALID,
214e1eca 1912 },
bedc9dc2
JA		 1913 {
1914 .name = "file_append",
1915 .lname = "File append",
1916 .type = FIO_OPT_BOOL,
a609f12a 1917 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 1918 .help = "IO will start at the end of the file(s)",
1919 .def = "0",
1920 .category = FIO_OPT_C_FILE,
1921 .group = FIO_OPT_G_INVALID,
1922 },
67a1000f
JA		 1923 {
1924 .name = "offset",
e8b0e958 1925 .lname = "IO offset",
67a1000f
JA		 1926 .alias = "fileoffset",
1927 .type = FIO_OPT_STR_VAL,
a609f12a 1928 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 1929 .help = "Start IO from this offset",
1930 .def = "0",
20eb06bd 1931 .interval = 1024 * 1024,
e8b0e958
JA		 1932 .category = FIO_OPT_C_IO,
1933 .group = FIO_OPT_G_INVALID,
67a1000f 1934 },
2d7cd868
JA		 1935 {
1936 .name = "offset_increment",
e8b0e958 1937 .lname = "IO offset increment",
2d7cd868 1938 .type = FIO_OPT_STR_VAL,
a609f12a 1939 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 1940 .help = "What is the increment from one offset to the next",
1941 .parent = "offset",
d71c154c 1942 .hide = 1,
2d7cd868 1943 .def = "0",
20eb06bd 1944 .interval = 1024 * 1024,
e8b0e958
JA		 1945 .category = FIO_OPT_C_IO,
1946 .group = FIO_OPT_G_INVALID,
2d7cd868 1947 },
ddf24e42
JA		 1948 {
1949 .name = "number_ios",
1950 .lname = "Number of IOs to perform",
1951 .type = FIO_OPT_STR_VAL,
a609f12a 1952 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 1953 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 1954 .def = "0",
1955 .category = FIO_OPT_C_IO,
1956 .group = FIO_OPT_G_INVALID,
1957 },
214e1eca
JA		 1958 {
1959 .name = "bs",
e8b0e958 1960 .lname = "Block size",
d3aad8f2 1961 .alias = "blocksize",
e01b22b8 1962 .type = FIO_OPT_INT,
a609f12a
JA		 1963 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
1964 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
1965 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 1966 .minval = 1,
214e1eca 1967 .help = "Block size unit",
2b9136a3 1968 .def = "4096",
67a1000f 1969 .parent = "rw",
d71c154c 1970 .hide = 1,
20eb06bd 1971 .interval = 512,
e8b0e958
JA		 1972 .category = FIO_OPT_C_IO,
1973 .group = FIO_OPT_G_INVALID,
214e1eca 1974 },
2b7a01d0
JA		 1975 {
1976 .name = "ba",
e8b0e958 1977 .lname = "Block size align",
2b7a01d0 1978 .alias = "blockalign",
e01b22b8 1979 .type = FIO_OPT_INT,
a609f12a
JA		 1980 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
1981 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
1982 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 1983 .minval = 1,
1984 .help = "IO block offset alignment",
1985 .parent = "rw",
d71c154c 1986 .hide = 1,
20eb06bd 1987 .interval = 512,
e8b0e958
JA		 1988 .category = FIO_OPT_C_IO,
1989 .group = FIO_OPT_G_INVALID,
2b7a01d0 1990 },
214e1eca
JA		 1991 {
1992 .name = "bsrange",
e8b0e958 1993 .lname = "Block size range",
d3aad8f2 1994 .alias = "blocksize_range",
214e1eca 1995 .type = FIO_OPT_RANGE,
a609f12a
JA		 1996 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
1997 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
1998 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
1999 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2000 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2001 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2002 .minval = 1,
214e1eca 2003 .help = "Set block size range (in more detail than bs)",
67a1000f 2004 .parent = "rw",
d71c154c 2005 .hide = 1,
20eb06bd 2006 .interval = 4096,
e8b0e958
JA		 2007 .category = FIO_OPT_C_IO,
2008 .group = FIO_OPT_G_INVALID,
214e1eca 2009 },
564ca972
JA		 2010 {
2011 .name = "bssplit",
e8b0e958 2012 .lname = "Block size split",
564ca972
JA		 2013 .type = FIO_OPT_STR,
2014 .cb = str_bssplit_cb,
a609f12a 2015 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2016 .help = "Set a specific mix of block sizes",
2017 .parent = "rw",
d71c154c 2018 .hide = 1,
e8b0e958
JA		 2019 .category = FIO_OPT_C_IO,
2020 .group = FIO_OPT_G_INVALID,
564ca972 2021 },
214e1eca
JA		 2022 {
2023 .name = "bs_unaligned",
e8b0e958 2024 .lname = "Block size unaligned",
d3aad8f2 2025 .alias = "blocksize_unaligned",
214e1eca 2026 .type = FIO_OPT_STR_SET,
a609f12a 2027 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2028 .help = "Don't sector align IO buffer sizes",
67a1000f 2029 .parent = "rw",
d71c154c 2030 .hide = 1,
e8b0e958
JA		 2031 .category = FIO_OPT_C_IO,
2032 .group = FIO_OPT_G_INVALID,
214e1eca 2033 },
6aca9b3d
JA		 2034 {
2035 .name = "bs_is_seq_rand",
2036 .lname = "Block size division is seq/random (not read/write)",
2037 .type = FIO_OPT_BOOL,
a609f12a 2038 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2039 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2040 .def = "0",
2041 .parent = "blocksize",
2042 .category = FIO_OPT_C_IO,
2043 .group = FIO_OPT_G_INVALID,
2044 },
214e1eca
JA		 2045 {
2046 .name = "randrepeat",
e8b0e958 2047 .lname = "Random repeatable",
214e1eca 2048 .type = FIO_OPT_BOOL,
a609f12a 2049 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2050 .help = "Use repeatable random IO pattern",
2051 .def = "1",
67a1000f 2052 .parent = "rw",
d71c154c 2053 .hide = 1,
e8b0e958 2054 .category = FIO_OPT_C_IO,
3ceb458f 2055 .group = FIO_OPT_G_RANDOM,
214e1eca 2056 },
04778baf
JA		 2057 {
2058 .name = "randseed",
2059 .lname = "The random generator seed",
363cffa7 2060 .type = FIO_OPT_STR_VAL,
a609f12a 2061 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2062 .help = "Set the random generator seed value",
40fe5e7b 2063 .def = "0x89",
04778baf
JA		 2064 .parent = "rw",
2065 .category = FIO_OPT_C_IO,
2066 .group = FIO_OPT_G_RANDOM,
2067 },
2615cc4b
JA		 2068 {
2069 .name = "use_os_rand",
e8b0e958 2070 .lname = "Use OS random",
54a21917 2071 .type = FIO_OPT_DEPRECATED,
a609f12a 2072 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2073 .category = FIO_OPT_C_IO,
3ceb458f 2074 .group = FIO_OPT_G_RANDOM,
2615cc4b 2075 },
214e1eca
JA		 2076 {
2077 .name = "norandommap",
e8b0e958 2078 .lname = "No randommap",
214e1eca 2079 .type = FIO_OPT_STR_SET,
a609f12a 2080 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2081 .help = "Accept potential duplicate random blocks",
67a1000f 2082 .parent = "rw",
d71c154c 2083 .hide = 1,
b2452a43 2084 .hide_on_set = 1,
e8b0e958 2085 .category = FIO_OPT_C_IO,
3ceb458f 2086 .group = FIO_OPT_G_RANDOM,
214e1eca 2087 },
2b386d25
JA		 2088 {
2089 .name = "softrandommap",
e8b0e958 2090 .lname = "Soft randommap",
2b386d25 2091 .type = FIO_OPT_BOOL,
a609f12a 2092 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2093 .help = "Set norandommap if randommap allocation fails",
2b386d25 2094 .parent = "norandommap",
d71c154c 2095 .hide = 1,
2b386d25 2096 .def = "0",
e8b0e958 2097 .category = FIO_OPT_C_IO,
3ceb458f 2098 .group = FIO_OPT_G_RANDOM,
2b386d25 2099 },
8055e41d
JA		 2100 {
2101 .name = "random_generator",
cce2fdfe 2102 .lname = "Random Generator",
8055e41d 2103 .type = FIO_OPT_STR,
a609f12a 2104 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2105 .help = "Type of random number generator to use",
2106 .def = "tausworthe",
2107 .posval = {
2108 { .ival = "tausworthe",
2109 .oval = FIO_RAND_GEN_TAUSWORTHE,
2110 .help = "Strong Tausworthe generator",
2111 },
2112 { .ival = "lfsr",
2113 .oval = FIO_RAND_GEN_LFSR,
2114 .help = "Variable length LFSR",
2115 },
c3546b53
JA		 2116 {
2117 .ival = "tausworthe64",
2118 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2119 .help = "64-bit Tausworthe variant",
2120 },
8055e41d 2121 },
48107598
JA		 2122 .category = FIO_OPT_C_IO,
2123 .group = FIO_OPT_G_RANDOM,
8055e41d 2124 },
e25839d4
JA		 2125 {
2126 .name = "random_distribution",
cce2fdfe 2127 .lname = "Random Distribution",
e25839d4 2128 .type = FIO_OPT_STR,
a609f12a 2129 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2130 .cb = str_random_distribution_cb,
2131 .help = "Random offset distribution generator",
2132 .def = "random",
2133 .posval = {
2134 { .ival = "random",
2135 .oval = FIO_RAND_DIST_RANDOM,
2136 .help = "Completely random",
2137 },
2138 { .ival = "zipf",
2139 .oval = FIO_RAND_DIST_ZIPF,
2140 .help = "Zipf distribution",
2141 },
925fee33
JA		 2142 { .ival = "pareto",
2143 .oval = FIO_RAND_DIST_PARETO,
2144 .help = "Pareto distribution",
2145 },
56d9fa4b
JA		 2146 { .ival = "normal",
2147 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2148 .help = "Normal (Gaussian) distribution",
56d9fa4b 2149 },
e0a04ac1
JA		 2150 { .ival = "zoned",
2151 .oval = FIO_RAND_DIST_ZONED,
2152 .help = "Zoned random distribution",
2153 },
2154
e25839d4 2155 },
48107598
JA		 2156 .category = FIO_OPT_C_IO,
2157 .group = FIO_OPT_G_RANDOM,
e25839d4 2158 },
211c9b89
JA		 2159 {
2160 .name = "percentage_random",
2161 .lname = "Percentage Random",
2162 .type = FIO_OPT_INT,
a609f12a
JA		 2163 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2164 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2165 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2166 .maxval = 100,
2167 .help = "Percentage of seq/random mix that should be random",
d9472271 2168 .def = "100,100,100",
211c9b89
JA		 2169 .interval = 5,
2170 .inverse = "percentage_sequential",
2171 .category = FIO_OPT_C_IO,
2172 .group = FIO_OPT_G_RANDOM,
2173 },
2174 {
2175 .name = "percentage_sequential",
2176 .lname = "Percentage Sequential",
d9472271 2177 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2178 .category = FIO_OPT_C_IO,
2179 .group = FIO_OPT_G_RANDOM,
2180 },
56e2a5fc
CE		 2181 {
2182 .name = "allrandrepeat",
cce2fdfe 2183 .lname = "All Random Repeat",
56e2a5fc 2184 .type = FIO_OPT_BOOL,
a609f12a 2185 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2186 .help = "Use repeatable random numbers for everything",
2187 .def = "0",
a869d9c6
JA		 2188 .category = FIO_OPT_C_IO,
2189 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2190 },
214e1eca
JA		 2191 {
2192 .name = "nrfiles",
e8b0e958 2193 .lname = "Number of files",
d7c8be03 2194 .alias = "nr_files",
214e1eca 2195 .type = FIO_OPT_INT,
a609f12a 2196 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2197 .help = "Split job workload between this number of files",
2198 .def = "1",
20eb06bd 2199 .interval = 1,
e8b0e958
JA		 2200 .category = FIO_OPT_C_FILE,
2201 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2202 },
2203 {
2204 .name = "openfiles",
e8b0e958 2205 .lname = "Number of open files",
214e1eca 2206 .type = FIO_OPT_INT,
a609f12a 2207 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2208 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2209 .category = FIO_OPT_C_FILE,
2210 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2211 },
2212 {
2213 .name = "file_service_type",
e8b0e958 2214 .lname = "File service type",
214e1eca
JA		 2215 .type = FIO_OPT_STR,
2216 .cb = str_fst_cb,
a609f12a 2217 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2218 .help = "How to select which file to service next",
2219 .def = "roundrobin",
e8b0e958
JA		 2220 .category = FIO_OPT_C_FILE,
2221 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2222 .posval = {
2223 { .ival = "random",
2224 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2225 .help = "Choose a file at random (uniform)",
2226 },
2227 { .ival = "zipf",
2228 .oval = FIO_FSERVICE_ZIPF,
2229 .help = "Zipf randomized",
2230 },
2231 { .ival = "pareto",
2232 .oval = FIO_FSERVICE_PARETO,
2233 .help = "Pareto randomized",
2234 },
2235 { .ival = "gauss",
2236 .oval = FIO_FSERVICE_GAUSS,
4e7a8814 2237 .help = "Normal (gaussian) distribution",
214e1eca
JA		 2238 },
2239 { .ival = "roundrobin",
2240 .oval = FIO_FSERVICE_RR,
2241 .help = "Round robin select files",
2242 },
a086c257
JA		 2243 { .ival = "sequential",
2244 .oval = FIO_FSERVICE_SEQ,
2245 .help = "Finish one file before moving to the next",
2246 },
214e1eca 2247 },
67a1000f 2248 .parent = "nrfiles",
d71c154c 2249 .hide = 1,
67a1000f 2250 },
97ac992c 2251#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA		 2252 {
2253 .name = "fallocate",
e8b0e958 2254 .lname = "Fallocate",
a596f047 2255 .type = FIO_OPT_STR,
a609f12a 2256 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047
EG		 2257 .help = "Whether pre-allocation is performed when laying out files",
2258 .def = "posix",
e8b0e958
JA		 2259 .category = FIO_OPT_C_FILE,
2260 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2261 .posval = {
2262 { .ival = "none",
2263 .oval = FIO_FALLOCATE_NONE,
2264 .help = "Do not pre-allocate space",
2265 },
2266 { .ival = "posix",
2267 .oval = FIO_FALLOCATE_POSIX,
2268 .help = "Use posix_fallocate()",
2269 },
97ac992c 2270#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2271 { .ival = "keep",
2272 .oval = FIO_FALLOCATE_KEEP_SIZE,
2273 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2274 },
7bc8c2cf 2275#endif
a596f047
EG		 2276 /* Compatibility with former boolean values */
2277 { .ival = "0",
2278 .oval = FIO_FALLOCATE_NONE,
2279 .help = "Alias for 'none'",
2280 },
2281 { .ival = "1",
2282 .oval = FIO_FALLOCATE_POSIX,
2283 .help = "Alias for 'posix'",
2284 },
2285 },
2286 },
a275c37a
JA		 2287#else /* CONFIG_POSIX_FALLOCATE */
2288 {
2289 .name = "fallocate",
2290 .lname = "Fallocate",
2291 .type = FIO_OPT_UNSUPPORTED,
2292 .help = "Your platform does not support fallocate",
2293 },
2294#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA		 2295 {
2296 .name = "fadvise_hint",
e8b0e958 2297 .lname = "Fadvise hint",
ecb2083d 2298 .type = FIO_OPT_STR,
a609f12a 2299 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2300 .posval = {
2301 { .ival = "0",
2302 .oval = F_ADV_NONE,
2303 .help = "Don't issue fadvise",
2304 },
2305 { .ival = "1",
2306 .oval = F_ADV_TYPE,
2307 .help = "Advise using fio IO pattern",
2308 },
2309 { .ival = "random",
2310 .oval = F_ADV_RANDOM,
2311 .help = "Advise using FADV_RANDOM",
2312 },
2313 { .ival = "sequential",
2314 .oval = F_ADV_SEQUENTIAL,
2315 .help = "Advise using FADV_SEQUENTIAL",
2316 },
2317 },
67a1000f
JA		 2318 .help = "Use fadvise() to advise the kernel on IO pattern",
2319 .def = "1",
e8b0e958
JA		 2320 .category = FIO_OPT_C_FILE,
2321 .group = FIO_OPT_G_INVALID,
214e1eca 2322 },
37659335
JA		 2323#ifdef FIO_HAVE_STREAMID
2324 {
2325 .name = "fadvise_stream",
2326 .lname = "Fadvise stream",
2327 .type = FIO_OPT_INT,
a609f12a 2328 .off1 = offsetof(struct thread_options, fadvise_stream),
37659335
JA		 2329 .help = "Use fadvise() to set stream ID",
2330 .category = FIO_OPT_C_FILE,
2331 .group = FIO_OPT_G_INVALID,
2332 },
a275c37a 2333#else
54d0a315 2334 {
a275c37a
JA		 2335 .name = "fadvise_stream",
2336 .lname = "Fadvise stream",
2337 .type = FIO_OPT_UNSUPPORTED,
2338 .help = "Your platform does not support fadvise stream ID",
2339 },
37659335 2340#endif
214e1eca
JA		 2341 {
2342 .name = "fsync",
e8b0e958 2343 .lname = "Fsync",
214e1eca 2344 .type = FIO_OPT_INT,
a609f12a 2345 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2346 .help = "Issue fsync for writes every given number of blocks",
2347 .def = "0",
20eb06bd 2348 .interval = 1,
e8b0e958
JA		 2349 .category = FIO_OPT_C_FILE,
2350 .group = FIO_OPT_G_INVALID,
214e1eca 2351 },
5f9099ea
JA		 2352 {
2353 .name = "fdatasync",
e8b0e958 2354 .lname = "Fdatasync",
5f9099ea 2355 .type = FIO_OPT_INT,
a609f12a 2356 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2357 .help = "Issue fdatasync for writes every given number of blocks",
2358 .def = "0",
20eb06bd 2359 .interval = 1,
e8b0e958
JA		 2360 .category = FIO_OPT_C_FILE,
2361 .group = FIO_OPT_G_INVALID,
5f9099ea 2362 },
1ef2b6be
JA		 2363 {
2364 .name = "write_barrier",
e8b0e958 2365 .lname = "Write barrier",
1ef2b6be 2366 .type = FIO_OPT_INT,
a609f12a 2367 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2368 .help = "Make every Nth write a barrier write",
2369 .def = "0",
20eb06bd 2370 .interval = 1,
e8b0e958
JA		 2371 .category = FIO_OPT_C_IO,
2372 .group = FIO_OPT_G_INVALID,
1ef2b6be 2373 },
67bf9823 2374#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2375 {
2376 .name = "sync_file_range",
e8b0e958 2377 .lname = "Sync file range",
44f29692
JA		 2378 .posval = {
2379 { .ival = "wait_before",
2380 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2381 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2382 .orval = 1,
44f29692
JA		 2383 },
2384 { .ival = "write",
2385 .oval = SYNC_FILE_RANGE_WRITE,
2386 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2387 .orval = 1,
44f29692
JA		 2388 },
2389 {
2390 .ival = "wait_after",
2391 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2392 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2393 .orval = 1,
44f29692
JA		 2394 },
2395 },
3843deb3 2396 .type = FIO_OPT_STR_MULTI,
44f29692 2397 .cb = str_sfr_cb,
a609f12a 2398 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2399 .help = "Use sync_file_range()",
e8b0e958
JA		 2400 .category = FIO_OPT_C_FILE,
2401 .group = FIO_OPT_G_INVALID,
44f29692 2402 },
a275c37a 2403#else
54d0a315 2404 {
a275c37a
JA		 2405 .name = "sync_file_range",
2406 .lname = "Sync file range",
2407 .type = FIO_OPT_UNSUPPORTED,
2408 .help = "Your platform does not support sync_file_range",
2409 },
44f29692 2410#endif
214e1eca
JA		 2411 {
2412 .name = "direct",
e8b0e958 2413 .lname = "Direct I/O",
214e1eca 2414 .type = FIO_OPT_BOOL,
a609f12a 2415 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2416 .help = "Use O_DIRECT IO (negates buffered)",
2417 .def = "0",
a01a1bc5 2418 .inverse = "buffered",
e8b0e958 2419 .category = FIO_OPT_C_IO,
3ceb458f 2420 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2421 },
d01612f3
CM		 2422 {
2423 .name = "atomic",
2424 .lname = "Atomic I/O",
2425 .type = FIO_OPT_BOOL,
a609f12a 2426 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2427 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2428 .def = "0",
2429 .category = FIO_OPT_C_IO,
2430 .group = FIO_OPT_G_IO_TYPE,
2431 },
214e1eca
JA		 2432 {
2433 .name = "buffered",
e8b0e958 2434 .lname = "Buffered I/O",
214e1eca 2435 .type = FIO_OPT_BOOL,
a609f12a 2436 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2437 .neg = 1,
2438 .help = "Use buffered IO (negates direct)",
2439 .def = "1",
a01a1bc5 2440 .inverse = "direct",
e8b0e958 2441 .category = FIO_OPT_C_IO,
3ceb458f 2442 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2443 },
2444 {
2445 .name = "overwrite",
e8b0e958 2446 .lname = "Overwrite",
214e1eca 2447 .type = FIO_OPT_BOOL,
a609f12a 2448 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2449 .help = "When writing, set whether to overwrite current data",
2450 .def = "0",
e8b0e958
JA		 2451 .category = FIO_OPT_C_FILE,
2452 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2453 },
2454 {
2455 .name = "loops",
e8b0e958 2456 .lname = "Loops",
214e1eca 2457 .type = FIO_OPT_INT,
a609f12a 2458 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2459 .help = "Number of times to run the job",
2460 .def = "1",
20eb06bd 2461 .interval = 1,
e8b0e958 2462 .category = FIO_OPT_C_GENERAL,
a1f6afec 2463 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2464 },
2465 {
2466 .name = "numjobs",
e8b0e958 2467 .lname = "Number of jobs",
214e1eca 2468 .type = FIO_OPT_INT,
a609f12a 2469 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2470 .help = "Duplicate this job this many times",
2471 .def = "1",
20eb06bd 2472 .interval = 1,
e8b0e958 2473 .category = FIO_OPT_C_GENERAL,
a1f6afec 2474 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2475 },
2476 {
2477 .name = "startdelay",
e8b0e958 2478 .lname = "Start delay",
a5737c93 2479 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2480 .off1 = offsetof(struct thread_options, start_delay),
2481 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2482 .help = "Only start job when this period has passed",
2483 .def = "0",
0de5b26f 2484 .is_seconds = 1,
88038bc7 2485 .is_time = 1,
e8b0e958 2486 .category = FIO_OPT_C_GENERAL,
a1f6afec 2487 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2488 },
2489 {
2490 .name = "runtime",
e8b0e958 2491 .lname = "Runtime",
214e1eca
JA		 2492 .alias = "timeout",
2493 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2494 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2495 .help = "Stop workload when this amount of time has passed",
2496 .def = "0",
0de5b26f 2497 .is_seconds = 1,
88038bc7 2498 .is_time = 1,
e8b0e958 2499 .category = FIO_OPT_C_GENERAL,
a1f6afec 2500 .group = FIO_OPT_G_RUNTIME,
214e1eca 2501 },
cf4464ca
JA		 2502 {
2503 .name = "time_based",
e8b0e958 2504 .lname = "Time based",
cf4464ca 2505 .type = FIO_OPT_STR_SET,
a609f12a 2506 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2507 .help = "Keep running until runtime/timeout is met",
e8b0e958 2508 .category = FIO_OPT_C_GENERAL,
a1f6afec 2509 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2510 },
62167762
JC		 2511 {
2512 .name = "verify_only",
2513 .lname = "Verify only",
2514 .type = FIO_OPT_STR_SET,
a609f12a 2515 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2516 .help = "Verifies previously written data is still valid",
2517 .category = FIO_OPT_C_GENERAL,
2518 .group = FIO_OPT_G_RUNTIME,
2519 },
721938ae
JA		 2520 {
2521 .name = "ramp_time",
e8b0e958 2522 .lname = "Ramp time",
721938ae 2523 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2524 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2525 .help = "Ramp up time before measuring performance",
0de5b26f 2526 .is_seconds = 1,
88038bc7 2527 .is_time = 1,
e8b0e958 2528 .category = FIO_OPT_C_GENERAL,
a1f6afec 2529 .group = FIO_OPT_G_RUNTIME,
721938ae 2530 },
c223da83
JA		 2531 {
2532 .name = "clocksource",
e8b0e958 2533 .lname = "Clock source",
c223da83
JA		 2534 .type = FIO_OPT_STR,
2535 .cb = fio_clock_source_cb,
a609f12a 2536 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2537 .help = "What type of timing source to use",
e8b0e958 2538 .category = FIO_OPT_C_GENERAL,
10860056 2539 .group = FIO_OPT_G_CLOCK,
c223da83 2540 .posval = {
67bf9823 2541#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2542 { .ival = "gettimeofday",
2543 .oval = CS_GTOD,
2544 .help = "Use gettimeofday(2) for timing",
2545 },
67bf9823
JA		 2546#endif
2547#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2548 { .ival = "clock_gettime",
2549 .oval = CS_CGETTIME,
2550 .help = "Use clock_gettime(2) for timing",
2551 },
67bf9823 2552#endif
c223da83
JA		 2553#ifdef ARCH_HAVE_CPU_CLOCK
2554 { .ival = "cpu",
2555 .oval = CS_CPUCLOCK,
2556 .help = "Use CPU private clock",
2557 },
2558#endif
2559 },
2560 },
214e1eca
JA		 2561 {
2562 .name = "mem",
d3aad8f2 2563 .alias = "iomem",
e8b0e958 2564 .lname = "I/O Memory",
214e1eca
JA		 2565 .type = FIO_OPT_STR,
2566 .cb = str_mem_cb,
a609f12a 2567 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2568 .help = "Backing type for IO buffers",
2569 .def = "malloc",
e8b0e958
JA		 2570 .category = FIO_OPT_C_IO,
2571 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2572 .posval = {
2573 { .ival = "malloc",
2574 .oval = MEM_MALLOC,
2575 .help = "Use malloc(3) for IO buffers",
2576 },
c8931876 2577#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2578 { .ival = "shm",
2579 .oval = MEM_SHM,
2580 .help = "Use shared memory segments for IO buffers",
2581 },
214e1eca
JA		 2582#ifdef FIO_HAVE_HUGETLB
2583 { .ival = "shmhuge",
2584 .oval = MEM_SHMHUGE,
2585 .help = "Like shm, but use huge pages",
2586 },
c8931876 2587#endif
b370e46a 2588#endif
37c8cdfe
JA		 2589 { .ival = "mmap",
2590 .oval = MEM_MMAP,
2591 .help = "Use mmap(2) (file or anon) for IO buffers",
2592 },
217b0f1d
LG		 2593 { .ival = "mmapshared",
2594 .oval = MEM_MMAPSHARED,
2595 .help = "Like mmap, but use the shared flag",
2596 },
214e1eca
JA		 2597#ifdef FIO_HAVE_HUGETLB
2598 { .ival = "mmaphuge",
2599 .oval = MEM_MMAPHUGE,
2600 .help = "Like mmap, but use huge pages",
2601 },
2602#endif
2603 },
2604 },
d529ee19
JA		 2605 {
2606 .name = "iomem_align",
2607 .alias = "mem_align",
e8b0e958 2608 .lname = "I/O memory alignment",
d529ee19 2609 .type = FIO_OPT_INT,
a609f12a 2610 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2611 .minval = 0,
2612 .help = "IO memory buffer offset alignment",
2613 .def = "0",
2614 .parent = "iomem",
d71c154c 2615 .hide = 1,
e8b0e958
JA		 2616 .category = FIO_OPT_C_IO,
2617 .group = FIO_OPT_G_INVALID,
d529ee19 2618 },
214e1eca
JA		 2619 {
2620 .name = "verify",
e8b0e958 2621 .lname = "Verify",
214e1eca 2622 .type = FIO_OPT_STR,
a609f12a 2623 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2624 .help = "Verify data written",
2625 .def = "0",
e8b0e958 2626 .category = FIO_OPT_C_IO,
3ceb458f 2627 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2628 .posval = {
2629 { .ival = "0",
2630 .oval = VERIFY_NONE,
2631 .help = "Don't do IO verification",
2632 },
fcca4b58
JA		 2633 { .ival = "md5",
2634 .oval = VERIFY_MD5,
2635 .help = "Use md5 checksums for verification",
2636 },
d77a7af3
JA		 2637 { .ival = "crc64",
2638 .oval = VERIFY_CRC64,
2639 .help = "Use crc64 checksums for verification",
2640 },
214e1eca
JA		 2641 { .ival = "crc32",
2642 .oval = VERIFY_CRC32,
2643 .help = "Use crc32 checksums for verification",
2644 },
af497e6a 2645 { .ival = "crc32c-intel",
e3aaafc4
JA		 2646 .oval = VERIFY_CRC32C,
2647 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2648 },
bac39e0e
JA		 2649 { .ival = "crc32c",
2650 .oval = VERIFY_CRC32C,
e3aaafc4 2651 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2652 },
969f7ed3
JA		 2653 { .ival = "crc16",
2654 .oval = VERIFY_CRC16,
2655 .help = "Use crc16 checksums for verification",
2656 },
1e154bdb
JA		 2657 { .ival = "crc7",
2658 .oval = VERIFY_CRC7,
2659 .help = "Use crc7 checksums for verification",
2660 },
7c353ceb
JA		 2661 { .ival = "sha1",
2662 .oval = VERIFY_SHA1,
2663 .help = "Use sha1 checksums for verification",
2664 },
cd14cc10
JA		 2665 { .ival = "sha256",
2666 .oval = VERIFY_SHA256,
2667 .help = "Use sha256 checksums for verification",
2668 },
2669 { .ival = "sha512",
2670 .oval = VERIFY_SHA512,
2671 .help = "Use sha512 checksums for verification",
2672 },
844ea602
JA		 2673 { .ival = "xxhash",
2674 .oval = VERIFY_XXHASH,
2675 .help = "Use xxhash checksums for verification",
2676 },
b638d82f
RP		 2677 /* Meta information was included into verify_header,
2678 * 'meta' verification is implied by default. */
7437ee87 2679 { .ival = "meta",
b638d82f
RP		 2680 .oval = VERIFY_HDR_ONLY,
2681 .help = "Use io information for verification. "
2682 "Now is implied by default, thus option is obsolete, "
2683 "don't use it",
7437ee87 2684 },
59245381
JA		 2685 { .ival = "pattern",
2686 .oval = VERIFY_PATTERN_NO_HDR,
2687 .help = "Verify strict pattern",
2688 },
36690c9b
JA		 2689 {
2690 .ival = "null",
2691 .oval = VERIFY_NULL,
2692 .help = "Pretend to verify",
2693 },
214e1eca
JA		 2694 },
2695 },
005c565a
JA		 2696 {
2697 .name = "do_verify",
e8b0e958 2698 .lname = "Perform verify step",
68e1f29a 2699 .type = FIO_OPT_BOOL,
a609f12a 2700 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2701 .help = "Run verification stage after write",
2702 .def = "1",
2703 .parent = "verify",
d71c154c 2704 .hide = 1,
e8b0e958
JA		 2705 .category = FIO_OPT_C_IO,
2706 .group = FIO_OPT_G_VERIFY,
005c565a 2707 },
160b966d
JA		 2708 {
2709 .name = "verifysort",
e8b0e958 2710 .lname = "Verify sort",
160b966d 2711 .type = FIO_OPT_BOOL,
a609f12a 2712 .off1 = offsetof(struct thread_options, verifysort),
160b966d
JA		 2713 .help = "Sort written verify blocks for read back",
2714 .def = "1",
c83f2df1 2715 .parent = "verify",
d71c154c 2716 .hide = 1,
e8b0e958
JA		 2717 .category = FIO_OPT_C_IO,
2718 .group = FIO_OPT_G_VERIFY,
160b966d 2719 },
1ae83d45
JA		 2720 {
2721 .name = "verifysort_nr",
cce2fdfe 2722 .lname = "Verify Sort Nr",
1ae83d45 2723 .type = FIO_OPT_INT,
a609f12a 2724 .off1 = offsetof(struct thread_options, verifysort_nr),
1ae83d45
JA		 2725 .help = "Pre-load and sort verify blocks for a read workload",
2726 .minval = 0,
2727 .maxval = 131072,
2728 .def = "1024",
2729 .parent = "verify",
836fcc0f
JA		 2730 .category = FIO_OPT_C_IO,
2731 .group = FIO_OPT_G_VERIFY,
1ae83d45 2732 },
3f9f4e26 2733 {
a59e170d 2734 .name = "verify_interval",
e8b0e958 2735 .lname = "Verify interval",
e01b22b8 2736 .type = FIO_OPT_INT,
a609f12a 2737 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2738 .minval = 2 * sizeof(struct verify_header),
a59e170d 2739 .help = "Store verify buffer header every N bytes",
afdf9352 2740 .parent = "verify",
d71c154c 2741 .hide = 1,
20eb06bd 2742 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2743 .category = FIO_OPT_C_IO,
2744 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2745 },
546a9142 2746 {
a59e170d 2747 .name = "verify_offset",
e8b0e958 2748 .lname = "Verify offset",
e01b22b8 2749 .type = FIO_OPT_INT,
a59e170d 2750 .help = "Offset verify header location by N bytes",
a609f12a 2751 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2752 .minval = sizeof(struct verify_header),
afdf9352 2753 .parent = "verify",
d71c154c 2754 .hide = 1,
e8b0e958
JA		 2755 .category = FIO_OPT_C_IO,
2756 .group = FIO_OPT_G_VERIFY,
546a9142 2757 },
e28218f3
SL		 2758 {
2759 .name = "verify_pattern",
e8b0e958 2760 .lname = "Verify pattern",
0e92f873 2761 .type = FIO_OPT_STR,
e28218f3 2762 .cb = str_verify_pattern_cb,
a609f12a 2763 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2764 .help = "Fill pattern for IO buffers",
2765 .parent = "verify",
d71c154c 2766 .hide = 1,
e8b0e958
JA		 2767 .category = FIO_OPT_C_IO,
2768 .group = FIO_OPT_G_VERIFY,
e28218f3 2769 },
a12a3b4d
JA		 2770 {
2771 .name = "verify_fatal",
e8b0e958 2772 .lname = "Verify fatal",
68e1f29a 2773 .type = FIO_OPT_BOOL,
a609f12a 2774 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 2775 .def = "0",
2776 .help = "Exit on a single verify failure, don't continue",
2777 .parent = "verify",
d71c154c 2778 .hide = 1,
e8b0e958
JA		 2779 .category = FIO_OPT_C_IO,
2780 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2781 },
b463e936
JA		 2782 {
2783 .name = "verify_dump",
e8b0e958 2784 .lname = "Verify dump",
b463e936 2785 .type = FIO_OPT_BOOL,
a609f12a 2786 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2787 .def = "0",
b463e936
JA		 2788 .help = "Dump contents of good and bad blocks on failure",
2789 .parent = "verify",
d71c154c 2790 .hide = 1,
e8b0e958
JA		 2791 .category = FIO_OPT_C_IO,
2792 .group = FIO_OPT_G_VERIFY,
b463e936 2793 },
e8462bd8
JA		 2794 {
2795 .name = "verify_async",
e8b0e958 2796 .lname = "Verify asynchronously",
e8462bd8 2797 .type = FIO_OPT_INT,
a609f12a 2798 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 2799 .def = "0",
2800 .help = "Number of async verifier threads to use",
2801 .parent = "verify",
d71c154c 2802 .hide = 1,
e8b0e958
JA		 2803 .category = FIO_OPT_C_IO,
2804 .group = FIO_OPT_G_VERIFY,
e8462bd8 2805 },
9e144189
JA		 2806 {
2807 .name = "verify_backlog",
e8b0e958 2808 .lname = "Verify backlog",
9e144189 2809 .type = FIO_OPT_STR_VAL,
a609f12a 2810 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 2811 .help = "Verify after this number of blocks are written",
2812 .parent = "verify",
d71c154c 2813 .hide = 1,
e8b0e958
JA		 2814 .category = FIO_OPT_C_IO,
2815 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 2816 },
2817 {
2818 .name = "verify_backlog_batch",
e8b0e958 2819 .lname = "Verify backlog batch",
9e144189 2820 .type = FIO_OPT_INT,
a609f12a 2821 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2822 .help = "Verify this number of IO blocks",
0d29de83 2823 .parent = "verify",
d71c154c 2824 .hide = 1,
e8b0e958
JA		 2825 .category = FIO_OPT_C_IO,
2826 .group = FIO_OPT_G_VERIFY,
9e144189 2827 },
e8462bd8
JA		 2828#ifdef FIO_HAVE_CPU_AFFINITY
2829 {
2830 .name = "verify_async_cpus",
e8b0e958 2831 .lname = "Async verify CPUs",
e8462bd8
JA		 2832 .type = FIO_OPT_STR,
2833 .cb = str_verify_cpus_allowed_cb,
a609f12a 2834 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 2835 .help = "Set CPUs allowed for async verify threads",
2836 .parent = "verify_async",
d71c154c 2837 .hide = 1,
e8b0e958
JA		 2838 .category = FIO_OPT_C_IO,
2839 .group = FIO_OPT_G_VERIFY,
e8462bd8 2840 },
a275c37a
JA		 2841#else
2842 {
2843 .name = "verify_async_cpus",
2844 .lname = "Async verify CPUs",
2845 .type = FIO_OPT_UNSUPPORTED,
54d0a315 2846 .help = "Your platform does not support CPU affinities",
a275c37a 2847 },
0d29de83 2848#endif
51aa2da8
JA		 2849 {
2850 .name = "experimental_verify",
cce2fdfe 2851 .lname = "Experimental Verify",
a609f12a 2852 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 2853 .type = FIO_OPT_BOOL,
b31eaac9 2854 .help = "Enable experimental verification",
ca09be4b
JA		 2855 .parent = "verify",
2856 .category = FIO_OPT_C_IO,
2857 .group = FIO_OPT_G_VERIFY,
2858 },
2859 {
2860 .name = "verify_state_load",
2861 .lname = "Load verify state",
a609f12a 2862 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 2863 .type = FIO_OPT_BOOL,
2864 .help = "Load verify termination state",
2865 .parent = "verify",
2866 .category = FIO_OPT_C_IO,
2867 .group = FIO_OPT_G_VERIFY,
2868 },
2869 {
2870 .name = "verify_state_save",
2871 .lname = "Save verify state",
a609f12a 2872 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 2873 .type = FIO_OPT_BOOL,
2874 .def = "1",
2875 .help = "Save verify state on termination",
2876 .parent = "verify",
836fcc0f
JA		 2877 .category = FIO_OPT_C_IO,
2878 .group = FIO_OPT_G_VERIFY,
51aa2da8 2879 },
0d29de83
JA		 2880#ifdef FIO_HAVE_TRIM
2881 {
2882 .name = "trim_percentage",
e8b0e958 2883 .lname = "Trim percentage",
0d29de83 2884 .type = FIO_OPT_INT,
a609f12a 2885 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 2886 .minval = 0,
0d29de83 2887 .maxval = 100,
169c098d 2888 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 2889 .parent = "verify",
2890 .def = "0",
20eb06bd 2891 .interval = 1,
d71c154c 2892 .hide = 1,
e8b0e958
JA		 2893 .category = FIO_OPT_C_IO,
2894 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2895 },
2896 {
2897 .name = "trim_verify_zero",
e8b0e958 2898 .lname = "Verify trim zero",
20eb06bd 2899 .type = FIO_OPT_BOOL,
169c098d 2900 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 2901 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 2902 .parent = "trim_percentage",
d71c154c 2903 .hide = 1,
0d29de83 2904 .def = "1",
e8b0e958
JA		 2905 .category = FIO_OPT_C_IO,
2906 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2907 },
2908 {
2909 .name = "trim_backlog",
e8b0e958 2910 .lname = "Trim backlog",
0d29de83 2911 .type = FIO_OPT_STR_VAL,
a609f12a 2912 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 2913 .help = "Trim after this number of blocks are written",
2914 .parent = "trim_percentage",
d71c154c 2915 .hide = 1,
20eb06bd 2916 .interval = 1,
e8b0e958
JA		 2917 .category = FIO_OPT_C_IO,
2918 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 2919 },
2920 {
2921 .name = "trim_backlog_batch",
e8b0e958 2922 .lname = "Trim backlog batch",
0d29de83 2923 .type = FIO_OPT_INT,
a609f12a 2924 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 2925 .help = "Trim this number of IO blocks",
2926 .parent = "trim_percentage",
d71c154c 2927 .hide = 1,
20eb06bd 2928 .interval = 1,
e8b0e958
JA		 2929 .category = FIO_OPT_C_IO,
2930 .group = FIO_OPT_G_TRIM,
0d29de83 2931 },
a275c37a
JA		 2932#else
2933 {
2934 .name = "trim_percentage",
2935 .lname = "Trim percentage",
2936 .type = FIO_OPT_UNSUPPORTED,
2937 .help = "Fio does not support TRIM on your platform",
2938 },
2939 {
2940 .name = "trim_verify_zero",
2941 .lname = "Verify trim zero",
2942 .type = FIO_OPT_UNSUPPORTED,
2943 .help = "Fio does not support TRIM on your platform",
2944 },
2945 {
2946 .name = "trim_backlog",
2947 .lname = "Trim backlog",
2948 .type = FIO_OPT_UNSUPPORTED,
2949 .help = "Fio does not support TRIM on your platform",
2950 },
2951 {
2952 .name = "trim_backlog_batch",
2953 .lname = "Trim backlog batch",
2954 .type = FIO_OPT_UNSUPPORTED,
2955 .help = "Fio does not support TRIM on your platform",
2956 },
e8462bd8 2957#endif
214e1eca
JA		 2958 {
2959 .name = "write_iolog",
e8b0e958 2960 .lname = "Write I/O log",
214e1eca 2961 .type = FIO_OPT_STR_STORE,
a609f12a 2962 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 2963 .help = "Store IO pattern to file",
e8b0e958
JA		 2964 .category = FIO_OPT_C_IO,
2965 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 2966 },
2967 {
2968 .name = "read_iolog",
e8b0e958 2969 .lname = "Read I/O log",
214e1eca 2970 .type = FIO_OPT_STR_STORE,
a609f12a 2971 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 2972 .help = "Playback IO pattern from file",
e8b0e958
JA		 2973 .category = FIO_OPT_C_IO,
2974 .group = FIO_OPT_G_IOLOG,
214e1eca 2975 },
64bbb865
DN		 2976 {
2977 .name = "replay_no_stall",
e8b0e958 2978 .lname = "Don't stall on replay",
20eb06bd 2979 .type = FIO_OPT_BOOL,
a609f12a 2980 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 2981 .def = "0",
87e7a972 2982 .parent = "read_iolog",
d71c154c 2983 .hide = 1,
64bbb865 2984 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 2985 .category = FIO_OPT_C_IO,
2986 .group = FIO_OPT_G_IOLOG,
64bbb865 2987 },
d1c46c04
DN		 2988 {
2989 .name = "replay_redirect",
e8b0e958 2990 .lname = "Redirect device for replay",
d1c46c04 2991 .type = FIO_OPT_STR_STORE,
a609f12a 2992 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 2993 .parent = "read_iolog",
d71c154c 2994 .hide = 1,
d1c46c04 2995 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 2996 .category = FIO_OPT_C_IO,
2997 .group = FIO_OPT_G_IOLOG,
d1c46c04 2998 },
0c63576e
JA		 2999 {
3000 .name = "replay_scale",
3001 .lname = "Replace offset scale factor",
3002 .type = FIO_OPT_INT,
a609f12a 3003 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3004 .parent = "read_iolog",
3005 .def = "1",
3006 .help = "Align offsets to this blocksize",
3007 .category = FIO_OPT_C_IO,
3008 .group = FIO_OPT_G_IOLOG,
3009 },
3010 {
3011 .name = "replay_align",
3012 .lname = "Replace alignment",
3013 .type = FIO_OPT_INT,
a609f12a 3014 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3015 .parent = "read_iolog",
3016 .help = "Scale offset down by this factor",
3017 .category = FIO_OPT_C_IO,
3018 .group = FIO_OPT_G_IOLOG,
3019 .pow2 = 1,
3020 },
214e1eca
JA		 3021 {
3022 .name = "exec_prerun",
e8b0e958 3023 .lname = "Pre-execute runnable",
214e1eca 3024 .type = FIO_OPT_STR_STORE,
a609f12a 3025 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3026 .help = "Execute this file prior to running job",
e8b0e958
JA		 3027 .category = FIO_OPT_C_GENERAL,
3028 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3029 },
3030 {
3031 .name = "exec_postrun",
e8b0e958 3032 .lname = "Post-execute runnable",
214e1eca 3033 .type = FIO_OPT_STR_STORE,
a609f12a 3034 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3035 .help = "Execute this file after running job",
e8b0e958
JA		 3036 .category = FIO_OPT_C_GENERAL,
3037 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3038 },
3039#ifdef FIO_HAVE_IOSCHED_SWITCH
3040 {
3041 .name = "ioscheduler",
e8b0e958 3042 .lname = "I/O scheduler",
214e1eca 3043 .type = FIO_OPT_STR_STORE,
a609f12a 3044 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3045 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3046 .category = FIO_OPT_C_FILE,
3047 .group = FIO_OPT_G_INVALID,
214e1eca 3048 },
a275c37a
JA		 3049#else
3050 {
3051 .name = "ioscheduler",
3052 .lname = "I/O scheduler",
3053 .type = FIO_OPT_UNSUPPORTED,
3054 .help = "Your platform does not support IO scheduler switching",
3055 },
214e1eca
JA		 3056#endif
3057 {
3058 .name = "zonesize",
e8b0e958 3059 .lname = "Zone size",
214e1eca 3060 .type = FIO_OPT_STR_VAL,
a609f12a 3061 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3062 .help = "Amount of data to read per zone",
3063 .def = "0",
20eb06bd 3064 .interval = 1024 * 1024,
e8b0e958
JA		 3065 .category = FIO_OPT_C_IO,
3066 .group = FIO_OPT_G_ZONE,
ed335855
SN		 3067 },
3068 {
3069 .name = "zonerange",
e8b0e958 3070 .lname = "Zone range",
ed335855 3071 .type = FIO_OPT_STR_VAL,
a609f12a 3072 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3073 .help = "Give size of an IO zone",
3074 .def = "0",
20eb06bd 3075 .interval = 1024 * 1024,
e8b0e958
JA		 3076 .category = FIO_OPT_C_IO,
3077 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3078 },
3079 {
3080 .name = "zoneskip",
e8b0e958 3081 .lname = "Zone skip",
214e1eca 3082 .type = FIO_OPT_STR_VAL,
a609f12a 3083 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3084 .help = "Space between IO zones",
3085 .def = "0",
20eb06bd 3086 .interval = 1024 * 1024,
e8b0e958
JA		 3087 .category = FIO_OPT_C_IO,
3088 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3089 },
3090 {
3091 .name = "lockmem",
e8b0e958 3092 .lname = "Lock memory",
214e1eca 3093 .type = FIO_OPT_STR_VAL,
a609f12a 3094 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3095 .help = "Lock down this amount of memory (per worker)",
214e1eca 3096 .def = "0",
20eb06bd 3097 .interval = 1024 * 1024,
e8b0e958
JA		 3098 .category = FIO_OPT_C_GENERAL,
3099 .group = FIO_OPT_G_INVALID,
214e1eca 3100 },
214e1eca
JA		 3101 {
3102 .name = "rwmixread",
e8b0e958 3103 .lname = "Read/write mix read",
214e1eca 3104 .type = FIO_OPT_INT,
cb499fc4 3105 .cb = str_rwmix_read_cb,
a609f12a 3106 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3107 .maxval = 100,
3108 .help = "Percentage of mixed workload that is reads",
3109 .def = "50",
20eb06bd 3110 .interval = 5,
90265353 3111 .inverse = "rwmixwrite",
e8b0e958
JA		 3112 .category = FIO_OPT_C_IO,
3113 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3114 },
3115 {
3116 .name = "rwmixwrite",
e8b0e958 3117 .lname = "Read/write mix write",
214e1eca 3118 .type = FIO_OPT_INT,
cb499fc4 3119 .cb = str_rwmix_write_cb,
a609f12a 3120 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3121 .maxval = 100,
3122 .help = "Percentage of mixed workload that is writes",
3123 .def = "50",
20eb06bd 3124 .interval = 5,
90265353 3125 .inverse = "rwmixread",
e8b0e958
JA		 3126 .category = FIO_OPT_C_IO,
3127 .group = FIO_OPT_G_RWMIX,
214e1eca 3128 },
afdf9352
JA		 3129 {
3130 .name = "rwmixcycle",
e8b0e958 3131 .lname = "Read/write mix cycle",
15ca150e 3132 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3133 .category = FIO_OPT_C_IO,
3134 .group = FIO_OPT_G_RWMIX,
afdf9352 3135 },
214e1eca
JA		 3136 {
3137 .name = "nice",
e8b0e958 3138 .lname = "Nice",
214e1eca 3139 .type = FIO_OPT_INT,
a609f12a 3140 .off1 = offsetof(struct thread_options, nice),
214e1eca
JA		 3141 .help = "Set job CPU nice value",
3142 .minval = -19,
3143 .maxval = 20,
3144 .def = "0",
20eb06bd 3145 .interval = 1,
e8b0e958 3146 .category = FIO_OPT_C_GENERAL,
10860056 3147 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3148 },
3149#ifdef FIO_HAVE_IOPRIO
3150 {
3151 .name = "prio",
e8b0e958 3152 .lname = "I/O nice priority",
214e1eca 3153 .type = FIO_OPT_INT,
a609f12a 3154 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3155 .help = "Set job IO priority value",
1767bd34
TK		 3156 .minval = IOPRIO_MIN_PRIO,
3157 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3158 .interval = 1,
e8b0e958 3159 .category = FIO_OPT_C_GENERAL,
10860056 3160 .group = FIO_OPT_G_CRED,
214e1eca 3161 },
32ef447a
TK		 3162#else
3163 {
3164 .name = "prio",
3165 .lname = "I/O nice priority",
3166 .type = FIO_OPT_UNSUPPORTED,
3167 .help = "Your platform does not support IO priorities",
3168 },
3169#endif
3170#ifdef FIO_HAVE_IOPRIO_CLASS
3171#ifndef FIO_HAVE_IOPRIO
3172#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3173#endif
214e1eca
JA		 3174 {
3175 .name = "prioclass",
e8b0e958 3176 .lname = "I/O nice priority class",
214e1eca 3177 .type = FIO_OPT_INT,
a609f12a 3178 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3179 .help = "Set job IO priority class",
1767bd34
TK		 3180 .minval = IOPRIO_MIN_PRIO_CLASS,
3181 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3182 .interval = 1,
e8b0e958 3183 .category = FIO_OPT_C_GENERAL,
10860056 3184 .group = FIO_OPT_G_CRED,
214e1eca 3185 },
a275c37a 3186#else
a275c37a
JA		 3187 {
3188 .name = "prioclass",
3189 .lname = "I/O nice priority class",
3190 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3191 .help = "Your platform does not support IO priority classes",
a275c37a 3192 },
214e1eca
JA		 3193#endif
3194 {
3195 .name = "thinktime",
e8b0e958 3196 .lname = "Thinktime",
214e1eca 3197 .type = FIO_OPT_INT,
a609f12a 3198 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3199 .help = "Idle time between IO buffers (usec)",
3200 .def = "0",
88038bc7 3201 .is_time = 1,
e8b0e958 3202 .category = FIO_OPT_C_IO,
3ceb458f 3203 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3204 },
3205 {
3206 .name = "thinktime_spin",
e8b0e958 3207 .lname = "Thinktime spin",
214e1eca 3208 .type = FIO_OPT_INT,
a609f12a 3209 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3210 .help = "Start think time by spinning this amount (usec)",
3211 .def = "0",
88038bc7 3212 .is_time = 1,
afdf9352 3213 .parent = "thinktime",
d71c154c 3214 .hide = 1,
e8b0e958 3215 .category = FIO_OPT_C_IO,
3ceb458f 3216 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3217 },
3218 {
3219 .name = "thinktime_blocks",
e8b0e958 3220 .lname = "Thinktime blocks",
214e1eca 3221 .type = FIO_OPT_INT,
a609f12a 3222 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3223 .help = "IO buffer period between 'thinktime'",
3224 .def = "1",
afdf9352 3225 .parent = "thinktime",
d71c154c 3226 .hide = 1,
e8b0e958 3227 .category = FIO_OPT_C_IO,
3ceb458f 3228 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3229 },
3230 {
3231 .name = "rate",
e8b0e958 3232 .lname = "I/O rate",
e01b22b8 3233 .type = FIO_OPT_INT,
a609f12a
JA		 3234 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3235 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3236 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3237 .help = "Set bandwidth rate",
e8b0e958
JA		 3238 .category = FIO_OPT_C_IO,
3239 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3240 },
3241 {
6d428bcd
JA		 3242 .name = "rate_min",
3243 .alias = "ratemin",
e8b0e958 3244 .lname = "I/O min rate",
e01b22b8 3245 .type = FIO_OPT_INT,
a609f12a
JA		 3246 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3247 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3248 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3249 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3250 .parent = "rate",
d71c154c 3251 .hide = 1,
e8b0e958
JA		 3252 .category = FIO_OPT_C_IO,
3253 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3254 },
3255 {
3256 .name = "rate_iops",
e8b0e958 3257 .lname = "I/O rate IOPS",
e01b22b8 3258 .type = FIO_OPT_INT,
a609f12a
JA		 3259 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3260 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3261 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3262 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3263 .hide = 1,
e8b0e958
JA		 3264 .category = FIO_OPT_C_IO,
3265 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3266 },
3267 {
3268 .name = "rate_iops_min",
e8b0e958 3269 .lname = "I/O min rate IOPS",
e01b22b8 3270 .type = FIO_OPT_INT,
a609f12a
JA		 3271 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3272 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3273 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3274 .help = "Job must meet this rate or it will be shut down",
afdf9352 3275 .parent = "rate_iops",
d71c154c 3276 .hide = 1,
e8b0e958
JA		 3277 .category = FIO_OPT_C_IO,
3278 .group = FIO_OPT_G_RATE,
214e1eca 3279 },
ff6bb260 3280 {
6de65959
JA		 3281 .name = "rate_process",
3282 .lname = "Rate Process",
3283 .type = FIO_OPT_STR,
a609f12a 3284 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3285 .help = "What process controls how rated IO is managed",
3286 .def = "linear",
ff6bb260
SL		 3287 .category = FIO_OPT_C_IO,
3288 .group = FIO_OPT_G_RATE,
6de65959
JA		 3289 .posval = {
3290 { .ival = "linear",
3291 .oval = RATE_PROCESS_LINEAR,
3292 .help = "Linear rate of IO",
3293 },
3294 {
3295 .ival = "poisson",
3296 .oval = RATE_PROCESS_POISSON,
3297 .help = "Rate follows Poisson process",
3298 },
3299 },
3300 .parent = "rate",
ff6bb260 3301 },
214e1eca 3302 {
6d428bcd
JA		 3303 .name = "rate_cycle",
3304 .alias = "ratecycle",
e8b0e958 3305 .lname = "I/O rate cycle",
214e1eca 3306 .type = FIO_OPT_INT,
a609f12a 3307 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3308 .help = "Window average for rate limits (msec)",
3309 .def = "1000",
afdf9352 3310 .parent = "rate",
d71c154c 3311 .hide = 1,
e8b0e958
JA		 3312 .category = FIO_OPT_C_IO,
3313 .group = FIO_OPT_G_RATE,
214e1eca 3314 },
15501535
JA		 3315 {
3316 .name = "max_latency",
cce2fdfe 3317 .lname = "Max Latency",
15501535 3318 .type = FIO_OPT_INT,
a609f12a 3319 .off1 = offsetof(struct thread_options, max_latency),
15501535 3320 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3321 .is_time = 1,
1e5324e7 3322 .category = FIO_OPT_C_IO,
3e260a46
JA		 3323 .group = FIO_OPT_G_LATPROF,
3324 },
3325 {
3326 .name = "latency_target",
3327 .lname = "Latency Target (usec)",
3328 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3329 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3330 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3331 .is_time = 1,
3e260a46
JA		 3332 .category = FIO_OPT_C_IO,
3333 .group = FIO_OPT_G_LATPROF,
3334 },
3335 {
3336 .name = "latency_window",
3337 .lname = "Latency Window (usec)",
3338 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3339 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3340 .help = "Time to sustain latency_target",
88038bc7 3341 .is_time = 1,
3e260a46
JA		 3342 .category = FIO_OPT_C_IO,
3343 .group = FIO_OPT_G_LATPROF,
3344 },
3345 {
3346 .name = "latency_percentile",
3347 .lname = "Latency Percentile",
3348 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3349 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3350 .help = "Percentile of IOs must be below latency_target",
3351 .def = "100",
3352 .maxlen = 1,
3353 .minfp = 0.0,
3354 .maxfp = 100.0,
3355 .category = FIO_OPT_C_IO,
3356 .group = FIO_OPT_G_LATPROF,
15501535 3357 },
214e1eca
JA		 3358 {
3359 .name = "invalidate",
e8b0e958 3360 .lname = "Cache invalidate",
214e1eca 3361 .type = FIO_OPT_BOOL,
a609f12a 3362 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3363 .help = "Invalidate buffer/page cache prior to running job",
3364 .def = "1",
e8b0e958 3365 .category = FIO_OPT_C_IO,
3ceb458f 3366 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3367 },
3368 {
3369 .name = "sync",
e8b0e958 3370 .lname = "Synchronous I/O",
214e1eca 3371 .type = FIO_OPT_BOOL,
a609f12a 3372 .off1 = offsetof(struct thread_options, sync_io),
214e1eca
JA		 3373 .help = "Use O_SYNC for buffered writes",
3374 .def = "0",
67a1000f 3375 .parent = "buffered",
d71c154c 3376 .hide = 1,
e8b0e958 3377 .category = FIO_OPT_C_IO,
3ceb458f 3378 .group = FIO_OPT_G_IO_TYPE,
214e1eca 3379 },
214e1eca
JA		 3380 {
3381 .name = "create_serialize",
e8b0e958 3382 .lname = "Create serialize",
214e1eca 3383 .type = FIO_OPT_BOOL,
a609f12a 3384 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3385 .help = "Serialize creation of job files",
214e1eca 3386 .def = "1",
e8b0e958
JA		 3387 .category = FIO_OPT_C_FILE,
3388 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3389 },
3390 {
3391 .name = "create_fsync",
e8b0e958 3392 .lname = "Create fsync",
214e1eca 3393 .type = FIO_OPT_BOOL,
a609f12a 3394 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3395 .help = "fsync file after creation",
214e1eca 3396 .def = "1",
e8b0e958
JA		 3397 .category = FIO_OPT_C_FILE,
3398 .group = FIO_OPT_G_INVALID,
214e1eca 3399 },
814452bd
JA		 3400 {
3401 .name = "create_on_open",
e8b0e958 3402 .lname = "Create on open",
814452bd 3403 .type = FIO_OPT_BOOL,
a609f12a 3404 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3405 .help = "Create files when they are opened for IO",
3406 .def = "0",
e8b0e958
JA		 3407 .category = FIO_OPT_C_FILE,
3408 .group = FIO_OPT_G_INVALID,
814452bd 3409 },
25460cf6
JA		 3410 {
3411 .name = "create_only",
cce2fdfe 3412 .lname = "Create Only",
25460cf6 3413 .type = FIO_OPT_BOOL,
a609f12a 3414 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3415 .help = "Only perform file creation phase",
d17fda71 3416 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3417 .def = "0",
3418 },
2378826d
JA		 3419 {
3420 .name = "allow_file_create",
e81ecca3 3421 .lname = "Allow file create",
2378826d 3422 .type = FIO_OPT_BOOL,
a609f12a 3423 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3424 .help = "Permit fio to create files, if they don't exist",
3425 .def = "1",
3426 .category = FIO_OPT_C_FILE,
3427 .group = FIO_OPT_G_FILENAME,
3428 },
e81ecca3
JA		 3429 {
3430 .name = "allow_mounted_write",
3431 .lname = "Allow mounted write",
3432 .type = FIO_OPT_BOOL,
a609f12a 3433 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3434 .help = "Allow writes to a mounted partition",
3435 .def = "0",
3436 .category = FIO_OPT_C_FILE,
3437 .group = FIO_OPT_G_FILENAME,
3438 },
0b9d69ec 3439 {
afad68f7 3440 .name = "pre_read",
e8b0e958 3441 .lname = "Pre-read files",
afad68f7 3442 .type = FIO_OPT_BOOL,
a609f12a 3443 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3444 .help = "Pre-read files before starting official testing",
afad68f7 3445 .def = "0",
e8b0e958
JA		 3446 .category = FIO_OPT_C_FILE,
3447 .group = FIO_OPT_G_INVALID,
afad68f7 3448 },
214e1eca
JA		 3449#ifdef FIO_HAVE_CPU_AFFINITY
3450 {
3451 .name = "cpumask",
e8b0e958 3452 .lname = "CPU mask",
214e1eca
JA		 3453 .type = FIO_OPT_INT,
3454 .cb = str_cpumask_cb,
a609f12a 3455 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3456 .help = "CPU affinity mask",
e8b0e958 3457 .category = FIO_OPT_C_GENERAL,
10860056 3458 .group = FIO_OPT_G_CRED,
214e1eca 3459 },
d2e268b0
JA		 3460 {
3461 .name = "cpus_allowed",
e8b0e958 3462 .lname = "CPUs allowed",
d2e268b0
JA		 3463 .type = FIO_OPT_STR,
3464 .cb = str_cpus_allowed_cb,
a609f12a 3465 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3466 .help = "Set CPUs allowed",
e8b0e958 3467 .category = FIO_OPT_C_GENERAL,
10860056 3468 .group = FIO_OPT_G_CRED,
d2e268b0 3469 },
c2acfbac
JA		 3470 {
3471 .name = "cpus_allowed_policy",
3472 .lname = "CPUs allowed distribution policy",
3473 .type = FIO_OPT_STR,
a609f12a 3474 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3475 .help = "Distribution policy for cpus_allowed",
3476 .parent = "cpus_allowed",
3477 .prio = 1,
3478 .posval = {
3479 { .ival = "shared",
3480 .oval = FIO_CPUS_SHARED,
3481 .help = "Mask shared between threads",
3482 },
3483 { .ival = "split",
3484 .oval = FIO_CPUS_SPLIT,
3485 .help = "Mask split between threads",
3486 },
3487 },
3488 .category = FIO_OPT_C_GENERAL,
3489 .group = FIO_OPT_G_CRED,
3490 },
a275c37a
JA		 3491#else
3492 {
3493 .name = "cpumask",
3494 .lname = "CPU mask",
3495 .type = FIO_OPT_UNSUPPORTED,
3496 .help = "Your platform does not support CPU affinities",
3497 },
3498 {
3499 .name = "cpus_allowed",
3500 .lname = "CPUs allowed",
3501 .type = FIO_OPT_UNSUPPORTED,
3502 .help = "Your platform does not support CPU affinities",
3503 },
3504 {
3505 .name = "cpus_allowed_policy",
3506 .lname = "CPUs allowed distribution policy",
3507 .type = FIO_OPT_UNSUPPORTED,
3508 .help = "Your platform does not support CPU affinities",
3509 },
d0b937ed 3510#endif
67bf9823 3511#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3512 {
3513 .name = "numa_cpu_nodes",
cce2fdfe 3514 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3515 .type = FIO_OPT_STR,
3516 .cb = str_numa_cpunodes_cb,
a609f12a 3517 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3518 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3519 .category = FIO_OPT_C_GENERAL,
3520 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3521 },
3522 {
3523 .name = "numa_mem_policy",
cce2fdfe 3524 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3525 .type = FIO_OPT_STR,
3526 .cb = str_numa_mpol_cb,
a609f12a 3527 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3528 .help = "NUMA memory policy setup",
6be54b2d
JA		 3529 .category = FIO_OPT_C_GENERAL,
3530 .group = FIO_OPT_G_INVALID,
d0b937ed 3531 },
a275c37a
JA		 3532#else
3533 {
3534 .name = "numa_cpu_nodes",
3535 .lname = "NUMA CPU Nodes",
3536 .type = FIO_OPT_UNSUPPORTED,
3537 .help = "Build fio with libnuma-dev(el) to enable this option",
3538 },
3539 {
3540 .name = "numa_mem_policy",
3541 .lname = "NUMA Memory Policy",
3542 .type = FIO_OPT_UNSUPPORTED,
3543 .help = "Build fio with libnuma-dev(el) to enable this option",
3544 },
214e1eca
JA		 3545#endif
3546 {
3547 .name = "end_fsync",
e8b0e958 3548 .lname = "End fsync",
214e1eca 3549 .type = FIO_OPT_BOOL,
a609f12a 3550 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 3551 .help = "Include fsync at the end of job",
3552 .def = "0",
e8b0e958
JA		 3553 .category = FIO_OPT_C_FILE,
3554 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3555 },
3556 {
3557 .name = "fsync_on_close",
e8b0e958 3558 .lname = "Fsync on close",
214e1eca 3559 .type = FIO_OPT_BOOL,
a609f12a 3560 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 3561 .help = "fsync files on close",
3562 .def = "0",
e8b0e958
JA		 3563 .category = FIO_OPT_C_FILE,
3564 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3565 },
3566 {
3567 .name = "unlink",
e8b0e958 3568 .lname = "Unlink file",
214e1eca 3569 .type = FIO_OPT_BOOL,
a609f12a 3570 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 3571 .help = "Unlink created files after job has completed",
3572 .def = "0",
e8b0e958
JA		 3573 .category = FIO_OPT_C_FILE,
3574 .group = FIO_OPT_G_INVALID,
214e1eca 3575 },
39c1c323 3576 {
3577 .name = "unlink_each_loop",
3578 .lname = "Unlink file after each loop of a job",
3579 .type = FIO_OPT_BOOL,
a609f12a 3580 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 3581 .help = "Unlink created files after each loop in a job has completed",
3582 .def = "0",
3583 .category = FIO_OPT_C_FILE,
3584 .group = FIO_OPT_G_INVALID,
3585 },
214e1eca
JA		 3586 {
3587 .name = "exitall",
e8b0e958 3588 .lname = "Exit-all on terminate",
214e1eca
JA		 3589 .type = FIO_OPT_STR_SET,
3590 .cb = str_exitall_cb,
3591 .help = "Terminate all jobs when one exits",
e8b0e958 3592 .category = FIO_OPT_C_GENERAL,
a1f6afec 3593 .group = FIO_OPT_G_PROCESS,
214e1eca 3594 },
f9cafb12
JA		 3595 {
3596 .name = "exitall_on_error",
3597 .lname = "Exit-all on terminate in error",
78abcf9b 3598 .type = FIO_OPT_STR_SET,
a609f12a 3599 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 3600 .help = "Terminate all jobs when one exits in error",
3601 .category = FIO_OPT_C_GENERAL,
3602 .group = FIO_OPT_G_PROCESS,
3603 },
214e1eca
JA		 3604 {
3605 .name = "stonewall",
e8b0e958 3606 .lname = "Wait for previous",
d392365e 3607 .alias = "wait_for_previous",
214e1eca 3608 .type = FIO_OPT_STR_SET,
a609f12a 3609 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 3610 .help = "Insert a hard barrier between this job and previous",
e8b0e958 3611 .category = FIO_OPT_C_GENERAL,
a1f6afec 3612 .group = FIO_OPT_G_PROCESS,
214e1eca 3613 },
b3d62a75
JA		 3614 {
3615 .name = "new_group",
e8b0e958 3616 .lname = "New group",
b3d62a75 3617 .type = FIO_OPT_STR_SET,
a609f12a 3618 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 3619 .help = "Mark the start of a new group (for reporting)",
e8b0e958 3620 .category = FIO_OPT_C_GENERAL,
a1f6afec 3621 .group = FIO_OPT_G_PROCESS,
b3d62a75 3622 },
214e1eca
JA		 3623 {
3624 .name = "thread",
e8b0e958 3625 .lname = "Thread",
214e1eca 3626 .type = FIO_OPT_STR_SET,
a609f12a 3627 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 3628 .help = "Use threads instead of processes",
c8931876
JA		 3629#ifdef CONFIG_NO_SHM
3630 .def = "1",
3631 .no_warn_def = 1,
3632#endif
e8b0e958 3633 .category = FIO_OPT_C_GENERAL,
a1f6afec 3634 .group = FIO_OPT_G_PROCESS,
214e1eca 3635 },
3a5db920
JA		 3636 {
3637 .name = "per_job_logs",
cce2fdfe 3638 .lname = "Per Job Logs",
3a5db920 3639 .type = FIO_OPT_BOOL,
a609f12a 3640 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 3641 .help = "Include job number in generated log files or not",
3642 .def = "1",
3643 .category = FIO_OPT_C_LOG,
3644 .group = FIO_OPT_G_INVALID,
3645 },
214e1eca
JA		 3646 {
3647 .name = "write_bw_log",
e8b0e958 3648 .lname = "Write bandwidth log",
dded427c 3649 .type = FIO_OPT_STR,
a609f12a 3650 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 3651 .cb = str_write_bw_log_cb,
214e1eca 3652 .help = "Write log of bandwidth during run",
e8b0e958
JA		 3653 .category = FIO_OPT_C_LOG,
3654 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3655 },
3656 {
3657 .name = "write_lat_log",
e8b0e958 3658 .lname = "Write latency log",
dded427c 3659 .type = FIO_OPT_STR,
a609f12a 3660 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 3661 .cb = str_write_lat_log_cb,
214e1eca 3662 .help = "Write log of latency during run",
e8b0e958
JA		 3663 .category = FIO_OPT_C_LOG,
3664 .group = FIO_OPT_G_INVALID,
214e1eca 3665 },
c8eeb9df
JA		 3666 {
3667 .name = "write_iops_log",
e8b0e958 3668 .lname = "Write IOPS log",
dded427c 3669 .type = FIO_OPT_STR,
a609f12a 3670 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 3671 .cb = str_write_iops_log_cb,
c8eeb9df 3672 .help = "Write log of IOPS during run",
e8b0e958
JA		 3673 .category = FIO_OPT_C_LOG,
3674 .group = FIO_OPT_G_INVALID,
c8eeb9df 3675 },
b8bc8cba
JA		 3676 {
3677 .name = "log_avg_msec",
e8b0e958 3678 .lname = "Log averaging (msec)",
b8bc8cba 3679 .type = FIO_OPT_INT,
a609f12a 3680 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 3681 .help = "Average bw/iops/lat logs over this period of time",
3682 .def = "0",
e8b0e958 3683 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 3684 .group = FIO_OPT_G_INVALID,
3685 },
3686 {
3687 .name = "log_hist_msec",
3688 .lname = "Log histograms (msec)",
3689 .type = FIO_OPT_INT,
a609f12a 3690 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 3691 .help = "Dump completion latency histograms at frequency of this time value",
3692 .def = "0",
3693 .category = FIO_OPT_C_LOG,
3694 .group = FIO_OPT_G_INVALID,
3695 },
3696 {
3697 .name = "log_hist_coarseness",
3698 .lname = "Histogram logs coarseness",
3699 .type = FIO_OPT_INT,
a609f12a 3700 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 3701 .help = "Integer in range [0,6]. Higher coarseness outputs"
3702 " fewer histogram bins per sample. The number of bins for"
3703 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
3704 .def = "0",
3705 .category = FIO_OPT_C_LOG,
3706 .group = FIO_OPT_G_INVALID,
3707 },
3708 {
3709 .name = "write_hist_log",
3710 .lname = "Write latency histogram logs",
dded427c 3711 .type = FIO_OPT_STR,
a609f12a 3712 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 3713 .cb = str_write_hist_log_cb,
1e613c9c
KC		 3714 .help = "Write log of latency histograms during run",
3715 .category = FIO_OPT_C_LOG,
e8b0e958 3716 .group = FIO_OPT_G_INVALID,
b8bc8cba 3717 },
e6989e10
JA		 3718 {
3719 .name = "log_max_value",
3720 .lname = "Log maximum instead of average",
3721 .type = FIO_OPT_BOOL,
a609f12a 3722 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 3723 .help = "Log max sample in a window instead of average",
3724 .def = "0",
3725 .category = FIO_OPT_C_LOG,
3726 .group = FIO_OPT_G_INVALID,
3727 },
ae588852
JA		 3728 {
3729 .name = "log_offset",
3730 .lname = "Log offset of IO",
3731 .type = FIO_OPT_BOOL,
a609f12a 3732 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 3733 .help = "Include offset of IO for each log entry",
3734 .def = "0",
3735 .category = FIO_OPT_C_LOG,
3736 .group = FIO_OPT_G_INVALID,
3737 },
aee2ab67
JA		 3738#ifdef CONFIG_ZLIB
3739 {
3740 .name = "log_compression",
3741 .lname = "Log compression",
3742 .type = FIO_OPT_INT,
a609f12a 3743 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 3744 .help = "Log in compressed chunks of this size",
9919b27b 3745 .minval = 1024ULL,
aee2ab67
JA		 3746 .maxval = 512 * 1024 * 1024ULL,
3747 .category = FIO_OPT_C_LOG,
3748 .group = FIO_OPT_G_INVALID,
3749 },
c08f9fe2
JA		 3750#ifdef FIO_HAVE_CPU_AFFINITY
3751 {
3752 .name = "log_compression_cpus",
3753 .lname = "Log Compression CPUs",
3754 .type = FIO_OPT_STR,
3755 .cb = str_log_cpus_allowed_cb,
a609f12a 3756 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 3757 .parent = "log_compression",
3758 .help = "Limit log compression to these CPUs",
3759 .category = FIO_OPT_C_LOG,
3760 .group = FIO_OPT_G_INVALID,
3761 },
a275c37a
JA		 3762#else
3763 {
3764 .name = "log_compression_cpus",
3765 .lname = "Log Compression CPUs",
3766 .type = FIO_OPT_UNSUPPORTED,
3767 .help = "Your platform does not support CPU affinities",
3768 },
c08f9fe2 3769#endif
b26317c9
JA		 3770 {
3771 .name = "log_store_compressed",
3772 .lname = "Log store compressed",
3773 .type = FIO_OPT_BOOL,
a609f12a 3774 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 3775 .help = "Store logs in a compressed format",
3776 .category = FIO_OPT_C_LOG,
3777 .group = FIO_OPT_G_INVALID,
3778 },
a275c37a
JA		 3779#else
3780 {
3781 .name = "log_compression",
3782 .lname = "Log compression",
3783 .type = FIO_OPT_UNSUPPORTED,
3784 .help = "Install libz-dev(el) to get compression support",
3785 },
3786 {
3787 .name = "log_store_compressed",
3788 .lname = "Log store compressed",
3789 .type = FIO_OPT_UNSUPPORTED,
3790 .help = "Install libz-dev(el) to get compression support",
3791 },
aee2ab67 3792#endif
3aea75b1
KC		 3793 {
3794 .name = "log_unix_epoch",
3795 .lname = "Log epoch unix",
3796 .type = FIO_OPT_BOOL,
3797 .off1 = offsetof(struct thread_options, log_unix_epoch),
3798 .help = "Use Unix time in log files",
3799 .category = FIO_OPT_C_LOG,
3800 .group = FIO_OPT_G_INVALID,
3801 },
66347cfa
DE		 3802 {
3803 .name = "block_error_percentiles",
3804 .lname = "Block error percentiles",
3805 .type = FIO_OPT_BOOL,
a609f12a 3806 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 3807 .help = "Record trim block errors and make a histogram",
3808 .def = "0",
3809 .category = FIO_OPT_C_LOG,
3810 .group = FIO_OPT_G_INVALID,
3811 },
c504ee55
JA		 3812 {
3813 .name = "bwavgtime",
3814 .lname = "Bandwidth average time",
3815 .type = FIO_OPT_INT,
a609f12a 3816 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 3817 .help = "Time window over which to calculate bandwidth"
3818 " (msec)",
3819 .def = "500",
3820 .parent = "write_bw_log",
3821 .hide = 1,
3822 .interval = 100,
3823 .category = FIO_OPT_C_LOG,
3824 .group = FIO_OPT_G_INVALID,
3825 },
3826 {
3827 .name = "iopsavgtime",
3828 .lname = "IOPS average time",
3829 .type = FIO_OPT_INT,
a609f12a 3830 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 3831 .help = "Time window over which to calculate IOPS (msec)",
3832 .def = "500",
3833 .parent = "write_iops_log",
3834 .hide = 1,
3835 .interval = 100,
3836 .category = FIO_OPT_C_LOG,
3837 .group = FIO_OPT_G_INVALID,
3838 },
214e1eca
JA		 3839 {
3840 .name = "group_reporting",
e8b0e958 3841 .lname = "Group reporting",
d2507043 3842 .type = FIO_OPT_STR_SET,
a609f12a 3843 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 3844 .help = "Do reporting on a per-group basis",
10860056 3845 .category = FIO_OPT_C_STAT,
e8b0e958 3846 .group = FIO_OPT_G_INVALID,
214e1eca 3847 },
e9459e5a
JA		 3848 {
3849 .name = "zero_buffers",
e8b0e958 3850 .lname = "Zero I/O buffers",
e9459e5a 3851 .type = FIO_OPT_STR_SET,
a609f12a 3852 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 3853 .help = "Init IO buffers to all zeroes",
e8b0e958 3854 .category = FIO_OPT_C_IO,
3ceb458f 3855 .group = FIO_OPT_G_IO_BUF,
e9459e5a 3856 },
5973cafb
JA		 3857 {
3858 .name = "refill_buffers",
e8b0e958 3859 .lname = "Refill I/O buffers",
5973cafb 3860 .type = FIO_OPT_STR_SET,
a609f12a 3861 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 3862 .help = "Refill IO buffers on every IO submit",
e8b0e958 3863 .category = FIO_OPT_C_IO,
3ceb458f 3864 .group = FIO_OPT_G_IO_BUF,
5973cafb 3865 },
fd68418e
JA		 3866 {
3867 .name = "scramble_buffers",
e8b0e958 3868 .lname = "Scramble I/O buffers",
fd68418e 3869 .type = FIO_OPT_BOOL,
a609f12a 3870 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 3871 .help = "Slightly scramble buffers on every IO submit",
3872 .def = "1",
e8b0e958 3873 .category = FIO_OPT_C_IO,
3ceb458f 3874 .group = FIO_OPT_G_IO_BUF,
fd68418e 3875 },
ce35b1ec
JA		 3876 {
3877 .name = "buffer_pattern",
3878 .lname = "Buffer pattern",
3879 .type = FIO_OPT_STR,
3880 .cb = str_buffer_pattern_cb,
a609f12a 3881 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 3882 .help = "Fill pattern for IO buffers",
3883 .category = FIO_OPT_C_IO,
3884 .group = FIO_OPT_G_IO_BUF,
3885 },
9c42684e
JA		 3886 {
3887 .name = "buffer_compress_percentage",
e8b0e958 3888 .lname = "Buffer compression percentage",
9c42684e 3889 .type = FIO_OPT_INT,
bedc9dc2 3890 .cb = str_buffer_compress_cb,
a609f12a 3891 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 3892 .maxval = 100,
e7f5de90 3893 .minval = 0,
9c42684e 3894 .help = "How compressible the buffer is (approximately)",
20eb06bd 3895 .interval = 5,
e8b0e958 3896 .category = FIO_OPT_C_IO,
3ceb458f 3897 .group = FIO_OPT_G_IO_BUF,
9c42684e 3898 },
f97a43a1
JA		 3899 {
3900 .name = "buffer_compress_chunk",
e8b0e958 3901 .lname = "Buffer compression chunk size",
f97a43a1 3902 .type = FIO_OPT_INT,
a609f12a 3903 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 3904 .parent = "buffer_compress_percentage",
d71c154c 3905 .hide = 1,
f97a43a1 3906 .help = "Size of compressible region in buffer",
20eb06bd 3907 .interval = 256,
e8b0e958 3908 .category = FIO_OPT_C_IO,
3ceb458f 3909 .group = FIO_OPT_G_IO_BUF,
f97a43a1 3910 },
5c94b008
JA		 3911 {
3912 .name = "dedupe_percentage",
3913 .lname = "Dedupe percentage",
3914 .type = FIO_OPT_INT,
3915 .cb = str_dedupe_cb,
a609f12a 3916 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 3917 .maxval = 100,
3918 .minval = 0,
3919 .help = "Percentage of buffers that are dedupable",
3920 .interval = 1,
3921 .category = FIO_OPT_C_IO,
3922 .group = FIO_OPT_G_IO_BUF,
3923 },
83349190
YH		 3924 {
3925 .name = "clat_percentiles",
e8b0e958 3926 .lname = "Completion latency percentiles",
83349190 3927 .type = FIO_OPT_BOOL,
a609f12a 3928 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 3929 .help = "Enable the reporting of completion latency percentiles",
467b35ed 3930 .def = "1",
e8b0e958
JA		 3931 .category = FIO_OPT_C_STAT,
3932 .group = FIO_OPT_G_INVALID,
83349190
YH		 3933 },
3934 {
3935 .name = "percentile_list",
66347cfa 3936 .lname = "Percentile list",
83349190 3937 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 3938 .off1 = offsetof(struct thread_options, percentile_list),
3939 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 3940 .help = "Specify a custom list of percentiles to report for "
3941 "completion latency and block errors",
fd112d34 3942 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 3943 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3944 .minfp = 0.0,
3945 .maxfp = 100.0,
e8b0e958
JA		 3946 .category = FIO_OPT_C_STAT,
3947 .group = FIO_OPT_G_INVALID,
83349190
YH		 3948 },
3949
0a839f30
JA		 3950#ifdef FIO_HAVE_DISK_UTIL
3951 {
3952 .name = "disk_util",
e8b0e958 3953 .lname = "Disk utilization",
0a839f30 3954 .type = FIO_OPT_BOOL,
a609f12a 3955 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 3956 .help = "Log disk utilization statistics",
0a839f30 3957 .def = "1",
e8b0e958
JA		 3958 .category = FIO_OPT_C_STAT,
3959 .group = FIO_OPT_G_INVALID,
0a839f30 3960 },
a275c37a
JA		 3961#else
3962 {
3963 .name = "disk_util",
3964 .lname = "Disk utilization",
3965 .type = FIO_OPT_UNSUPPORTED,
3966 .help = "Your platform does not support disk utilization",
3967 },
0a839f30 3968#endif
993bf48b
JA		 3969 {
3970 .name = "gtod_reduce",
e8b0e958 3971 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 3972 .type = FIO_OPT_BOOL,
3973 .help = "Greatly reduce number of gettimeofday() calls",
3974 .cb = str_gtod_reduce_cb,
3975 .def = "0",
a4ed77fe 3976 .hide_on_set = 1,
e8b0e958
JA		 3977 .category = FIO_OPT_C_STAT,
3978 .group = FIO_OPT_G_INVALID,
993bf48b 3979 },
02af0988
JA		 3980 {
3981 .name = "disable_lat",
e8b0e958 3982 .lname = "Disable all latency stats",
02af0988 3983 .type = FIO_OPT_BOOL,
a609f12a 3984 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 3985 .help = "Disable latency numbers",
3986 .parent = "gtod_reduce",
d71c154c 3987 .hide = 1,
02af0988 3988 .def = "0",
e8b0e958
JA		 3989 .category = FIO_OPT_C_STAT,
3990 .group = FIO_OPT_G_INVALID,
02af0988 3991 },
9520ebb9
JA		 3992 {
3993 .name = "disable_clat",
e8b0e958 3994 .lname = "Disable completion latency stats",
9520ebb9 3995 .type = FIO_OPT_BOOL,
a609f12a 3996 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 3997 .help = "Disable completion latency numbers",
993bf48b 3998 .parent = "gtod_reduce",
d71c154c 3999 .hide = 1,
9520ebb9 4000 .def = "0",
e8b0e958
JA		 4001 .category = FIO_OPT_C_STAT,
4002 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4003 },
4004 {
4005 .name = "disable_slat",
e8b0e958 4006 .lname = "Disable submission latency stats",
9520ebb9 4007 .type = FIO_OPT_BOOL,
a609f12a 4008 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4009 .help = "Disable submission latency numbers",
993bf48b 4010 .parent = "gtod_reduce",
d71c154c 4011 .hide = 1,
9520ebb9 4012 .def = "0",
e8b0e958
JA		 4013 .category = FIO_OPT_C_STAT,
4014 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4015 },
4016 {
4017 .name = "disable_bw_measurement",
afd2ceff 4018 .alias = "disable_bw",
e8b0e958 4019 .lname = "Disable bandwidth stats",
9520ebb9 4020 .type = FIO_OPT_BOOL,
a609f12a 4021 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4022 .help = "Disable bandwidth logging",
993bf48b 4023 .parent = "gtod_reduce",
d71c154c 4024 .hide = 1,
9520ebb9 4025 .def = "0",
e8b0e958
JA		 4026 .category = FIO_OPT_C_STAT,
4027 .group = FIO_OPT_G_INVALID,
9520ebb9 4028 },
be4ecfdf
JA		 4029 {
4030 .name = "gtod_cpu",
e8b0e958 4031 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4032 .type = FIO_OPT_INT,
a609f12a 4033 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4034 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4035 .verify = gtod_cpu_verify,
e8b0e958 4036 .category = FIO_OPT_C_GENERAL,
10860056 4037 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4038 },
771e58be
JA		 4039 {
4040 .name = "unified_rw_reporting",
cce2fdfe 4041 .lname = "Unified RW Reporting",
771e58be 4042 .type = FIO_OPT_BOOL,
a609f12a 4043 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4044 .help = "Unify reporting across data direction",
4045 .def = "0",
90b7a96d
JA		 4046 .category = FIO_OPT_C_GENERAL,
4047 .group = FIO_OPT_G_INVALID,
771e58be 4048 },
f2bba182
RR		 4049 {
4050 .name = "continue_on_error",
e8b0e958 4051 .lname = "Continue on error",
06842027 4052 .type = FIO_OPT_STR,
a609f12a 4053 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4054 .help = "Continue on non-fatal errors during IO",
06842027 4055 .def = "none",
e8b0e958 4056 .category = FIO_OPT_C_GENERAL,
bc3f552f 4057 .group = FIO_OPT_G_ERR,
06842027
SL		 4058 .posval = {
4059 { .ival = "none",
4060 .oval = ERROR_TYPE_NONE,
4061 .help = "Exit when an error is encountered",
4062 },
4063 { .ival = "read",
4064 .oval = ERROR_TYPE_READ,
4065 .help = "Continue on read errors only",
4066 },
4067 { .ival = "write",
4068 .oval = ERROR_TYPE_WRITE,
4069 .help = "Continue on write errors only",
4070 },
4071 { .ival = "io",
4072 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4073 .help = "Continue on any IO errors",
4074 },
4075 { .ival = "verify",
4076 .oval = ERROR_TYPE_VERIFY,
4077 .help = "Continue on verify errors only",
4078 },
4079 { .ival = "all",
4080 .oval = ERROR_TYPE_ANY,
4081 .help = "Continue on all io and verify errors",
4082 },
4083 { .ival = "0",
4084 .oval = ERROR_TYPE_NONE,
4085 .help = "Alias for 'none'",
4086 },
4087 { .ival = "1",
4088 .oval = ERROR_TYPE_ANY,
4089 .help = "Alias for 'all'",
4090 },
4091 },
f2bba182 4092 },
8b28bd41
DM		 4093 {
4094 .name = "ignore_error",
cce2fdfe 4095 .lname = "Ignore Error",
8b28bd41
DM		 4096 .type = FIO_OPT_STR,
4097 .cb = str_ignore_error_cb,
a609f12a 4098 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4099 .help = "Set a specific list of errors to ignore",
4100 .parent = "rw",
a94eb99a 4101 .category = FIO_OPT_C_GENERAL,
bc3f552f 4102 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4103 },
4104 {
4105 .name = "error_dump",
cce2fdfe 4106 .lname = "Error Dump",
8b28bd41 4107 .type = FIO_OPT_BOOL,
a609f12a 4108 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4109 .def = "0",
4110 .help = "Dump info on each error",
a94eb99a 4111 .category = FIO_OPT_C_GENERAL,
bc3f552f 4112 .group = FIO_OPT_G_ERR,
8b28bd41 4113 },
9ac8a797
JA		 4114 {
4115 .name = "profile",
e8b0e958 4116 .lname = "Profile",
79d16311 4117 .type = FIO_OPT_STR_STORE,
a609f12a 4118 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4119 .help = "Select a specific builtin performance test",
13fca827 4120 .category = FIO_OPT_C_PROFILE,
e8b0e958 4121 .group = FIO_OPT_G_INVALID,
9ac8a797 4122 },
a696fa2a
JA		 4123 {
4124 .name = "cgroup",
e8b0e958 4125 .lname = "Cgroup",
a696fa2a 4126 .type = FIO_OPT_STR_STORE,
a609f12a 4127 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4128 .help = "Add job to cgroup of this name",
e8b0e958 4129 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4130 .group = FIO_OPT_G_CGROUP,
4131 },
4132 {
4133 .name = "cgroup_nodelete",
4134 .lname = "Cgroup no-delete",
4135 .type = FIO_OPT_BOOL,
a609f12a 4136 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4137 .help = "Do not delete cgroups after job completion",
4138 .def = "0",
4139 .parent = "cgroup",
4140 .category = FIO_OPT_C_GENERAL,
4141 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4142 },
4143 {
4144 .name = "cgroup_weight",
e8b0e958 4145 .lname = "Cgroup weight",
a696fa2a 4146 .type = FIO_OPT_INT,
a609f12a 4147 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4148 .help = "Use given weight for cgroup",
4149 .minval = 100,
4150 .maxval = 1000,
a1f6afec 4151 .parent = "cgroup",
e8b0e958 4152 .category = FIO_OPT_C_GENERAL,
a1f6afec 4153 .group = FIO_OPT_G_CGROUP,
7de87099 4154 },
e0b0d892
JA		 4155 {
4156 .name = "uid",
e8b0e958 4157 .lname = "User ID",
e0b0d892 4158 .type = FIO_OPT_INT,
a609f12a 4159 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4160 .help = "Run job with this user ID",
e8b0e958 4161 .category = FIO_OPT_C_GENERAL,
10860056 4162 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4163 },
4164 {
4165 .name = "gid",
e8b0e958 4166 .lname = "Group ID",
e0b0d892 4167 .type = FIO_OPT_INT,
a609f12a 4168 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4169 .help = "Run job with this group ID",
e8b0e958 4170 .category = FIO_OPT_C_GENERAL,
10860056 4171 .group = FIO_OPT_G_CRED,
e0b0d892 4172 },
a1f6afec
JA		 4173 {
4174 .name = "kb_base",
4175 .lname = "KB Base",
4176 .type = FIO_OPT_INT,
a609f12a 4177 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4178 .prio = 1,
4179 .def = "1024",
ba9c7219
JA		 4180 .posval = {
4181 { .ival = "1024",
4182 .oval = 1024,
d694a6a7 4183 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4184 },
4185 { .ival = "1000",
4186 .oval = 1000,
d694a6a7 4187 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4188 },
4189 },
d694a6a7 4190 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4191 .category = FIO_OPT_C_GENERAL,
4192 .group = FIO_OPT_G_INVALID,
4193 },
cf3a0518
JA		 4194 {
4195 .name = "unit_base",
d694a6a7 4196 .lname = "Unit for quantities of data (Bits or Bytes)",
cf3a0518 4197 .type = FIO_OPT_INT,
a609f12a 4198 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4199 .prio = 1,
71a08258
JA		 4200 .posval = {
4201 { .ival = "0",
4202 .oval = 0,
4203 .help = "Auto-detect",
4204 },
4205 { .ival = "8",
4206 .oval = 8,
4207 .help = "Normal (byte based)",
4208 },
4209 { .ival = "1",
4210 .oval = 1,
4211 .help = "Bit based",
4212 },
4213 },
cf3a0518
JA		 4214 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4215 .category = FIO_OPT_C_GENERAL,
4216 .group = FIO_OPT_G_INVALID,
4217 },
3ceb458f
JA		 4218 {
4219 .name = "hugepage-size",
4220 .lname = "Hugepage size",
4221 .type = FIO_OPT_INT,
a609f12a 4222 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4223 .help = "When using hugepages, specify size of each page",
4224 .def = __fio_stringify(FIO_HUGE_PAGE),
4225 .interval = 1024 * 1024,
4226 .category = FIO_OPT_C_GENERAL,
4227 .group = FIO_OPT_G_INVALID,
4228 },
9e684a49
DE		 4229 {
4230 .name = "flow_id",
e8b0e958 4231 .lname = "I/O flow ID",
9e684a49 4232 .type = FIO_OPT_INT,
a609f12a 4233 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4234 .help = "The flow index ID to use",
4235 .def = "0",
e8b0e958
JA		 4236 .category = FIO_OPT_C_IO,
4237 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4238 },
4239 {
4240 .name = "flow",
e8b0e958 4241 .lname = "I/O flow weight",
9e684a49 4242 .type = FIO_OPT_INT,
a609f12a 4243 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4244 .help = "Weight for flow control of this job",
4245 .parent = "flow_id",
d71c154c 4246 .hide = 1,
9e684a49 4247 .def = "0",
e8b0e958
JA		 4248 .category = FIO_OPT_C_IO,
4249 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4250 },
4251 {
4252 .name = "flow_watermark",
e8b0e958 4253 .lname = "I/O flow watermark",
9e684a49 4254 .type = FIO_OPT_INT,
a609f12a 4255 .off1 = offsetof(struct thread_options, flow_watermark),
9e684a49
DE		 4256 .help = "High watermark for flow control. This option"
4257 " should be set to the same value for all threads"
4258 " with non-zero flow.",
4259 .parent = "flow_id",
d71c154c 4260 .hide = 1,
9e684a49 4261 .def = "1024",
e8b0e958
JA		 4262 .category = FIO_OPT_C_IO,
4263 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4264 },
4265 {
4266 .name = "flow_sleep",
e8b0e958 4267 .lname = "I/O flow sleep",
9e684a49 4268 .type = FIO_OPT_INT,
a609f12a 4269 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4270 .help = "How many microseconds to sleep after being held"
4271 " back by the flow control mechanism",
4272 .parent = "flow_id",
d71c154c 4273 .hide = 1,
9e684a49 4274 .def = "0",
e8b0e958
JA		 4275 .category = FIO_OPT_C_IO,
4276 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4277 },
65fa28ca
DE		 4278 {
4279 .name = "skip_bad",
4280 .lname = "Skip operations against bad blocks",
4281 .type = FIO_OPT_BOOL,
a609f12a 4282 .off1 = offsetof(struct thread_options, skip_bad),
65fa28ca
DE		 4283 .help = "Skip operations against known bad blocks.",
4284 .hide = 1,
4285 .def = "0",
4286 .category = FIO_OPT_C_IO,
4287 .group = FIO_OPT_G_MTD,
4288 },
16e56d25
VF		 4289 {
4290 .name = "steadystate",
4291 .lname = "Steady state threshold",
4292 .alias = "ss",
4293 .type = FIO_OPT_STR,
2c5d94bc 4294 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4295 .cb = str_steadystate_cb,
4296 .help = "Define the criterion and limit to judge when a job has reached steady state",
4297 .def = "iops_slope:0.01%",
4298 .posval = {
4299 { .ival = "iops",
f0c50c66 4300 .oval = FIO_SS_IOPS,
16e56d25
VF		 4301 .help = "maximum mean deviation of IOPS measurements",
4302 },
4303 { .ival = "iops_slope",
f0c50c66 4304 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4305 .help = "slope calculated from IOPS measurements",
4306 },
4307 { .ival = "bw",
f0c50c66 4308 .oval = FIO_SS_BW,
16e56d25
VF		 4309 .help = "maximum mean deviation of bandwidth measurements",
4310 },
4311 {
4312 .ival = "bw_slope",
f0c50c66 4313 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4314 .help = "slope calculated from bandwidth measurements",
4315 },
4316 },
4317 .category = FIO_OPT_C_GENERAL,
4318 .group = FIO_OPT_G_RUNTIME,
4319 },
4320 {
4321 .name = "steadystate_duration",
4322 .lname = "Steady state duration",
4323 .alias = "ss_dur",
915ca980 4324 .parent = "steadystate",
16e56d25
VF		 4325 .type = FIO_OPT_STR_VAL_TIME,
4326 .off1 = offsetof(struct thread_options, ss_dur),
4327 .help = "Stop workload upon attaining steady state for specified duration",
4328 .def = "0",
4329 .is_seconds = 1,
4330 .is_time = 1,
4331 .category = FIO_OPT_C_GENERAL,
4332 .group = FIO_OPT_G_RUNTIME,
4333 },
4334 {
4335 .name = "steadystate_ramp_time",
4336 .lname = "Steady state ramp time",
4337 .alias = "ss_ramp",
915ca980 4338 .parent = "steadystate",
16e56d25
VF		 4339 .type = FIO_OPT_STR_VAL_TIME,
4340 .off1 = offsetof(struct thread_options, ss_ramp_time),
4341 .help = "Delay before initiation of data collection for steady state job termination testing",
4342 .def = "0",
4343 .is_seconds = 1,
4344 .is_time = 1,
4345 .category = FIO_OPT_C_GENERAL,
4346 .group = FIO_OPT_G_RUNTIME,
4347 },
214e1eca
JA		 4348 {
4349 .name = NULL,
4350 },
4351};
4352
17af15d4 4353static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4354 const char *name, int val)
9f81736c 4355{
17af15d4 4356 lopt->name = (char *) name;
de890a1e 4357 lopt->val = val;
9f81736c 4358 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4359 lopt->has_arg = optional_argument;
9f81736c
JA		 4360 else
4361 lopt->has_arg = required_argument;
4362}
4363
de890a1e
SL		 4364static void options_to_lopts(struct fio_option *opts,
4365 struct option *long_options,
4366 int i, int option_type)
214e1eca 4367{
de890a1e 4368 struct fio_option *o = &opts[0];
214e1eca 4369 while (o->name) {
de890a1e 4370 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4371 if (o->alias) {
4372 i++;
de890a1e 4373 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4374 }
214e1eca
JA		 4375
4376 i++;
4377 o++;
4378 assert(i < FIO_NR_OPTIONS);
4379 }
4380}
4381
de890a1e
SL		 4382void fio_options_set_ioengine_opts(struct option *long_options,
4383 struct thread_data *td)
4384{
4385 unsigned int i;
4386
4387 i = 0;
4388 while (long_options[i].name) {
4389 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4390 memset(&long_options[i], 0, sizeof(*long_options));
4391 break;
4392 }
4393 i++;
4394 }
4395
4396 /*
4397 * Just clear out the prior ioengine options.
4398 */
4399 if (!td || !td->eo)
4400 return;
4401
4402 options_to_lopts(td->io_ops->options, long_options, i,
4403 FIO_GETOPT_IOENGINE);
4404}
4405
4406void fio_options_dup_and_init(struct option *long_options)
4407{
4408 unsigned int i;
4409
9af4a244 4410 options_init(fio_options);
de890a1e
SL		 4411
4412 i = 0;
4413 while (long_options[i].name)
4414 i++;
4415
9af4a244 4416 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4417}
4418
74929ac2
JA		 4419struct fio_keyword {
4420 const char *word;
4421 const char *desc;
4422 char *replace;
4423};
4424
4425static struct fio_keyword fio_keywords[] = {
4426 {
4427 .word = "$pagesize",
4428 .desc = "Page size in the system",
4429 },
4430 {
4431 .word = "$mb_memory",
4432 .desc = "Megabytes of memory online",
4433 },
4434 {
4435 .word = "$ncpus",
4436 .desc = "Number of CPUs online in the system",
4437 },
4438 {
4439 .word = NULL,
4440 },
4441};
4442
af1dc266
JA		 4443void fio_keywords_exit(void)
4444{
4445 struct fio_keyword *kw;
4446
4447 kw = &fio_keywords[0];
4448 while (kw->word) {
4449 free(kw->replace);
4450 kw->replace = NULL;
4451 kw++;
4452 }
4453}
4454
74929ac2
JA		 4455void fio_keywords_init(void)
4456{
3b2e1464 4457 unsigned long long mb_memory;
74929ac2
JA		 4458 char buf[128];
4459 long l;
4460
a4cfc477 4461 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4462 fio_keywords[0].replace = strdup(buf);
4463
8eb016d3 4464 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4465 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4466 fio_keywords[1].replace = strdup(buf);
4467
c00a2289 4468 l = cpus_online();
74929ac2
JA		 4469 sprintf(buf, "%lu", l);
4470 fio_keywords[2].replace = strdup(buf);
4471}
4472
892a6ffc
JA		 4473#define BC_APP "bc"
4474
4475static char *bc_calc(char *str)
4476{
d0c814ec 4477 char buf[128], *tmp;
892a6ffc
JA		 4478 FILE *f;
4479 int ret;
4480
4481 /*
4482 * No math, just return string
4483 */
d0c814ec
SL		 4484 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4485 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4486 return str;
4487
4488 /*
4489 * Split option from value, we only need to calculate the value
4490 */
4491 tmp = strchr(str, '=');
4492 if (!tmp)
4493 return str;
4494
4495 tmp++;
892a6ffc 4496
d0c814ec
SL		 4497 /*
4498 * Prevent buffer overflows; such a case isn't reasonable anyway
4499 */
4500 if (strlen(str) >= 128 || strlen(tmp) > 100)
4501 return str;
892a6ffc
JA		 4502
4503 sprintf(buf, "which %s > /dev/null", BC_APP);
4504 if (system(buf)) {
4505 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 4506 return NULL;
4507 }
4508
d0c814ec 4509 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 4510 f = popen(buf, "r");
3c3ed070 4511 if (!f)
892a6ffc 4512 return NULL;
892a6ffc 4513
d0c814ec 4514 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 4515 if (ret <= 0) {
4516 pclose(f);
892a6ffc 4517 return NULL;
1d824f37 4518 }
892a6ffc 4519
892a6ffc 4520 pclose(f);
d0c814ec
SL		 4521 buf[(tmp - str) + ret - 1] = '\0';
4522 memcpy(buf, str, tmp - str);
892a6ffc 4523 free(str);
d0c814ec
SL		 4524 return strdup(buf);
4525}
4526
4527/*
4528 * Return a copy of the input string with substrings of the form ${VARNAME}
4529 * substituted with the value of the environment variable VARNAME. The
4530 * substitution always occurs, even if VARNAME is empty or the corresponding
4531 * environment variable undefined.
4532 */
4533static char *option_dup_subs(const char *opt)
4534{
4535 char out[OPT_LEN_MAX+1];
4536 char in[OPT_LEN_MAX+1];
4537 char *outptr = out;
4538 char *inptr = in;
4539 char *ch1, *ch2, *env;
4540 ssize_t nchr = OPT_LEN_MAX;
4541 size_t envlen;
4542
4543 if (strlen(opt) + 1 > OPT_LEN_MAX) {
4544 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
4545 return NULL;
4546 }
4547
4548 in[OPT_LEN_MAX] = '\0';
4549 strncpy(in, opt, OPT_LEN_MAX);
4550
4551 while (*inptr && nchr > 0) {
4552 if (inptr[0] == '$' && inptr[1] == '{') {
4553 ch2 = strchr(inptr, '}');
4554 if (ch2 && inptr+1 < ch2) {
4555 ch1 = inptr+2;
4556 inptr = ch2+1;
4557 *ch2 = '\0';
4558
4559 env = getenv(ch1);
4560 if (env) {
4561 envlen = strlen(env);
4562 if (envlen <= nchr) {
4563 memcpy(outptr, env, envlen);
4564 outptr += envlen;
4565 nchr -= envlen;
4566 }
4567 }
4568
4569 continue;
4570 }
4571 }
4572
4573 *outptr++ = *inptr++;
4574 --nchr;
4575 }
4576
4577 *outptr = '\0';
4578 return strdup(out);
892a6ffc
JA		 4579}
4580
74929ac2
JA		 4581/*
4582 * Look for reserved variable names and replace them with real values
4583 */
4584static char *fio_keyword_replace(char *opt)
4585{
4586 char *s;
4587 int i;
d0c814ec 4588 int docalc = 0;
74929ac2
JA		 4589
4590 for (i = 0; fio_keywords[i].word != NULL; i++) {
4591 struct fio_keyword *kw = &fio_keywords[i];
4592
4593 while ((s = strstr(opt, kw->word)) != NULL) {
4594 char *new = malloc(strlen(opt) + 1);
4595 char *o_org = opt;
4596 int olen = s - opt;
4597 int len;
4598
4599 /*
4600 * Copy part of the string before the keyword and
4601 * sprintf() the replacement after it.
4602 */
4603 memcpy(new, opt, olen);
4604 len = sprintf(new + olen, "%s", kw->replace);
4605
4606 /*
4607 * If there's more in the original string, copy that
4608 * in too
4609 */
4610 opt += strlen(kw->word) + olen;
4611 if (strlen(opt))
4612 memcpy(new + olen + len, opt, opt - o_org - 1);
4613
4614 /*
4615 * replace opt and free the old opt
4616 */
4617 opt = new;
d0c814ec 4618 free(o_org);
7a958bd5 4619
d0c814ec 4620 docalc = 1;
74929ac2
JA		 4621 }
4622 }
4623
d0c814ec
SL		 4624 /*
4625 * Check for potential math and invoke bc, if possible
4626 */
4627 if (docalc)
4628 opt = bc_calc(opt);
4629
7a958bd5 4630 return opt;
74929ac2
JA		 4631}
4632
d0c814ec
SL		 4633static char **dup_and_sub_options(char **opts, int num_opts)
4634{
4635 int i;
4636 char **opts_copy = malloc(num_opts * sizeof(*opts));
4637 for (i = 0; i < num_opts; i++) {
4638 opts_copy[i] = option_dup_subs(opts[i]);
4639 if (!opts_copy[i])
4640 continue;
4641 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
4642 }
4643 return opts_copy;
4644}
4645
e15b023b 4646static void show_closest_option(const char *opt)
a2d027b9
JA		 4647{
4648 int best_option, best_distance;
4649 int i, distance;
e15b023b
JA		 4650 char *name;
4651
4652 if (!strlen(opt))
4653 return;
4654
4655 name = strdup(opt);
4656 i = 0;
4657 while (name[i] != '\0' && name[i] != '=')
4658 i++;
4659 name[i] = '\0';
a2d027b9
JA		 4660
4661 best_option = -1;
4662 best_distance = INT_MAX;
4663 i = 0;
4664 while (fio_options[i].name) {
4665 distance = string_distance(name, fio_options[i].name);
4666 if (distance < best_distance) {
4667 best_distance = distance;
4668 best_option = i;
4669 }
4670 i++;
4671 }
4672
75e6bcba
JA		 4673 if (best_option != -1 && string_distance_ok(name, best_distance) &&
4674 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 4675 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 4676
4677 free(name);
a2d027b9
JA		 4678}
4679
c2292325 4680int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 4681{
de890a1e 4682 int i, ret, unknown;
d0c814ec 4683 char **opts_copy;
3b8b7135 4684
9af4a244 4685 sort_options(opts, fio_options, num_opts);
d0c814ec 4686 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 4687
de890a1e
SL		 4688 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
4689 struct fio_option *o;
9af4a244 4690 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 4691 &o, &td->o, &td->opt_list);
d0c814ec 4692
a8523a6a
JA		 4693 if (!newret && o)
4694 fio_option_mark_set(&td->o, o);
4695
de890a1e
SL		 4696 if (opts_copy[i]) {
4697 if (newret && !o) {
4698 unknown++;
4699 continue;
4700 }
d0c814ec 4701 free(opts_copy[i]);
de890a1e
SL		 4702 opts_copy[i] = NULL;
4703 }
4704
4705 ret |= newret;
4706 }
4707
4708 if (unknown) {
4709 ret |= ioengine_load(td);
4710 if (td->eo) {
4711 sort_options(opts_copy, td->io_ops->options, num_opts);
4712 opts = opts_copy;
4713 }
4714 for (i = 0; i < num_opts; i++) {
4715 struct fio_option *o = NULL;
4716 int newret = 1;
a2d027b9 4717
de890a1e
SL		 4718 if (!opts_copy[i])
4719 continue;
4720
4721 if (td->eo)
4722 newret = parse_option(opts_copy[i], opts[i],
4723 td->io_ops->options, &o,
66e19a38 4724 td->eo, &td->opt_list);
de890a1e
SL		 4725
4726 ret |= newret;
a2d027b9 4727 if (!o) {
de890a1e 4728 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 4729 show_closest_option(opts[i]);
4730 }
de890a1e
SL		 4731 free(opts_copy[i]);
4732 opts_copy[i] = NULL;
4733 }
74929ac2 4734 }
3b8b7135 4735
d0c814ec 4736 free(opts_copy);
3b8b7135 4737 return ret;
214e1eca
JA		 4738}
4739
4740int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
4741{
a8523a6a
JA		 4742 int ret;
4743
a609f12a 4744 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a
JA		 4745 if (!ret) {
4746 struct fio_option *o;
4747
4748 o = find_option(fio_options, opt);
4749 if (o)
4750 fio_option_mark_set(&td->o, o);
4751 }
4752
4753 return ret;
214e1eca
JA		 4754}
4755
de890a1e
SL		 4756int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
4757 char *val)
4758{
d8b4f395
JA		 4759 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
4760 &td->opt_list);
de890a1e
SL		 4761}
4762
214e1eca
JA		 4763void fio_fill_default_options(struct thread_data *td)
4764{
cb1402d6 4765 td->o.magic = OPT_MAGIC;
a609f12a 4766 fill_default_options(&td->o, fio_options);
214e1eca
JA		 4767}
4768
4769int fio_show_option_help(const char *opt)
4770{
9af4a244 4771 return show_cmd_help(fio_options, opt);
214e1eca 4772}
d23bb327 4773
de890a1e 4774void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 4775{
de890a1e 4776 struct fio_option *o;
d23bb327 4777 char **ptr;
d23bb327 4778
de890a1e
SL		 4779 for (o = &options[0]; o->name; o++) {
4780 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA		 4781 continue;
4782
f0fdbcaf 4783 ptr = td_var(data, o, o->off1);
7e356b2d
JA		 4784 if (*ptr)
4785 *ptr = strdup(*ptr);
d23bb327
JA		 4786 }
4787}
4788
de890a1e
SL		 4789/*
4790 * dupe FIO_OPT_STR_STORE options
4791 */
4792void fio_options_mem_dupe(struct thread_data *td)
4793{
9af4a244 4794 options_mem_dupe(&td->o, fio_options);
1647f592
JA		 4795
4796 if (td->eo && td->io_ops) {
de890a1e 4797 void *oldeo = td->eo;
1647f592 4798
de890a1e
SL		 4799 td->eo = malloc(td->io_ops->option_struct_size);
4800 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
4801 options_mem_dupe(td->eo, td->io_ops->options);
4802 }
4803}
4804
d6978a32
JA		 4805unsigned int fio_get_kb_base(void *data)
4806{
a609f12a
JA		 4807 struct thread_data *td = cb_data_to_td(data);
4808 struct thread_options *o = &td->o;
d6978a32
JA		 4809 unsigned int kb_base = 0;
4810
cb1402d6
JA		 4811 /*
4812 * This is a hack... For private options, *data is not holding
4813 * a pointer to the thread_options, but to private data. This means
4814 * we can't safely dereference it, but magic is first so mem wise
4815 * it is valid. But this also means that if the job first sets
4816 * kb_base and expects that to be honored by private options,
4817 * it will be disappointed. We will return the global default
4818 * for this.
4819 */
4820 if (o && o->magic == OPT_MAGIC)
83ea422a 4821 kb_base = o->kb_base;
d6978a32
JA		 4822 if (!kb_base)
4823 kb_base = 1024;
4824
4825 return kb_base;
4826}
9f988e2e 4827
07b3232d 4828int add_option(struct fio_option *o)
9f988e2e 4829{
07b3232d
JA		 4830 struct fio_option *__o;
4831 int opt_index = 0;
4832
9af4a244 4833 __o = fio_options;
07b3232d
JA		 4834 while (__o->name) {
4835 opt_index++;
4836 __o++;
4837 }
4838
7b504edd
JA		 4839 if (opt_index + 1 == FIO_MAX_OPTS) {
4840 log_err("fio: FIO_MAX_OPTS is too small\n");
4841 return 1;
4842 }
4843
9af4a244 4844 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 4845 fio_options[opt_index + 1].name = NULL;
07b3232d 4846 return 0;
9f988e2e 4847}
e2de69da 4848
07b3232d 4849void invalidate_profile_options(const char *prof_name)
e2de69da 4850{
07b3232d 4851 struct fio_option *o;
e2de69da 4852
9af4a244 4853 o = fio_options;
07b3232d
JA		 4854 while (o->name) {
4855 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
4856 o->type = FIO_OPT_INVALID;
4857 o->prof_name = NULL;
4858 }
4859 o++;
e2de69da
JA		 4860 }
4861}
f5b6bb85
JA		 4862
4863void add_opt_posval(const char *optname, const char *ival, const char *help)
4864{
4865 struct fio_option *o;
4866 unsigned int i;
4867
9af4a244 4868 o = find_option(fio_options, optname);
f5b6bb85
JA		 4869 if (!o)
4870 return;
4871
4872 for (i = 0; i < PARSE_MAX_VP; i++) {
4873 if (o->posval[i].ival)
4874 continue;
4875
4876 o->posval[i].ival = ival;
4877 o->posval[i].help = help;
4878 break;
4879 }
4880}
4881
4882void del_opt_posval(const char *optname, const char *ival)
4883{
4884 struct fio_option *o;
4885 unsigned int i;
4886
9af4a244 4887 o = find_option(fio_options, optname);
f5b6bb85
JA		 4888 if (!o)
4889 return;
4890
4891 for (i = 0; i < PARSE_MAX_VP; i++) {
4892 if (!o->posval[i].ival)
4893 continue;
4894 if (strcmp(o->posval[i].ival, ival))
4895 continue;
4896
4897 o->posval[i].ival = NULL;
4898 o->posval[i].help = NULL;
4899 }
4900}
7e356b2d
JA		 4901
4902void fio_options_free(struct thread_data *td)
4903{
ca6336a8 4904 options_free(fio_options, &td->o);
de890a1e
SL		 4905 if (td->eo && td->io_ops && td->io_ops->options) {
4906 options_free(td->io_ops->options, td->eo);
4907 free(td->eo);
4908 td->eo = NULL;
4909 }
7e356b2d 4910}
c504ee55
JA		 4911
4912struct fio_option *fio_option_find(const char *name)
4913{
4914 return find_option(fio_options, name);
4915}
4916
f0e7f45a
JA		 4917static struct fio_option *find_next_opt(struct thread_options *o,
4918 struct fio_option *from,
4919 unsigned int off1)
a8523a6a 4920{
f0e7f45a 4921 struct fio_option *opt;
a8523a6a 4922
f0e7f45a
JA		 4923 if (!from)
4924 from = &fio_options[0];
4925 else
4926 from++;
4927
4928 opt = NULL;
4929 do {
4930 if (off1 == from->off1) {
4931 opt = from;
a8523a6a
JA		 4932 break;
4933 }
f0e7f45a
JA		 4934 from++;
4935 } while (from->name);
a8523a6a 4936
f0e7f45a
JA		 4937 return opt;
4938}
4939
4940static int opt_is_set(struct thread_options *o, struct fio_option *opt)
4941{
4942 unsigned int opt_off, index, offset;
a8523a6a
JA		 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 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 4948}
4949
72f39748 4950bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 4951{
4952 struct fio_option *opt, *next;
4953
4954 next = NULL;
4955 while ((opt = find_next_opt(o, next, off1)) != NULL) {
4956 if (opt_is_set(o, opt))
72f39748 4957 return true;
f0e7f45a
JA		 4958
4959 next = opt;
4960 }
4961
72f39748 4962 return false;
f0e7f45a
JA		 4963}
4964
a8523a6a
JA		 4965void fio_option_mark_set(struct thread_options *o, struct fio_option *opt)
4966{
4967 unsigned int opt_off, index, offset;
4968
4969 opt_off = opt - &fio_options[0];
4970 index = opt_off / (8 * sizeof(uint64_t));
4971 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 4972 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 4973}
fio - Flexible IO Tester