Document trim workload choices and other nits
[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
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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
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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
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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
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93 return 1;
94 }
95
d2835319
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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
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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
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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
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151 return 1;
152 }
d711cce5 153
564ca972
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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
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165 bsp->perc = (100 - perc) / perc_missing;
166 }
167 }
168
83ea422a
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169 o->min_bs[ddir] = min_bs;
170 o->max_bs[ddir] = max_bs;
564ca972
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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
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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
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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