iolog: Added option read_iolog_chunked. Used to avoid reading large iologs at once.
[fio.git] / options.c
CommitLineData
214e1eca
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
214e1eca 6#include <assert.h>
5921e80c 7#include <sys/stat.h>
e13c3b50 8#include <netinet/in.h>
214e1eca
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9
10#include "fio.h"
4f5af7b2 11#include "verify.h"
214e1eca 12#include "parse.h"
61b9861d 13#include "lib/pattern.h"
9f988e2e 14#include "options.h"
d220c761 15#include "optgroup.h"
214e1eca 16
e13c3b50 17char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 18
a609f12a
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19#define cb_data_to_td(data) container_of(data, struct thread_data, o)
20
fc8d6d05 21static struct pattern_fmt_desc fmt_desc[] = {
4205998f
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22 {
23 .fmt = "%o",
24 .len = FIELD_SIZE(struct io_u *, offset),
25 .paste = paste_blockoff
26 }
27};
28
214e1eca
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29/*
30 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
31 */
32static char *get_opt_postfix(const char *str)
33{
34 char *p = strstr(str, ":");
35
36 if (!p)
37 return NULL;
38
39 p++;
40 strip_blank_front(&p);
41 strip_blank_end(p);
42 return strdup(p);
43}
44
564ca972
JA
45static int bs_cmp(const void *p1, const void *p2)
46{
47 const struct bssplit *bsp1 = p1;
48 const struct bssplit *bsp2 = p2;
49
a7cd478d 50 return (int) bsp1->perc - (int) bsp2->perc;
564ca972
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51}
52
d2835319
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53struct split {
54 unsigned int nr;
9d8fc5e4
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55 unsigned int val1[ZONESPLIT_MAX];
56 unsigned long long val2[ZONESPLIT_MAX];
d2835319
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57};
58
59static int split_parse_ddir(struct thread_options *o, struct split *split,
517c9c72 60 char *str, bool absolute, unsigned int max_splits)
564ca972 61{
59466396
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62 unsigned long long perc;
63 unsigned int i;
564ca972 64 long long val;
720e84ad 65 char *fname;
564ca972 66
d2835319 67 split->nr = 0;
564ca972
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68
69 i = 0;
564ca972
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70 while ((fname = strsep(&str, ":")) != NULL) {
71 char *perc_str;
72
73 if (!strlen(fname))
74 break;
75
564ca972
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76 perc_str = strstr(fname, "/");
77 if (perc_str) {
78 *perc_str = '\0';
79 perc_str++;
59466396
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80 if (absolute) {
81 if (str_to_decimal(perc_str, &val, 1, o, 0, 0)) {
82 log_err("fio: split conversion failed\n");
83 return 1;
84 }
85 perc = val;
86 } else {
87 perc = atoi(perc_str);
88 if (perc > 100)
89 perc = 100;
90 else if (!perc)
91 perc = -1U;
92 }
93 } else {
94 if (absolute)
95 perc = 0;
96 else
d711cce5 97 perc = -1U;
59466396 98 }
564ca972 99
88038bc7 100 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
59466396 101 log_err("fio: split conversion failed\n");
564ca972
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102 return 1;
103 }
104
d2835319
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105 split->val1[i] = val;
106 split->val2[i] = perc;
564ca972 107 i++;
c32e1a09
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108 if (i == max_splits) {
109 log_err("fio: hit max of %d split entries\n", i);
d2835319 110 break;
c32e1a09 111 }
564ca972
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112 }
113
d2835319
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114 split->nr = i;
115 return 0;
116}
117
59466396
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118static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str,
119 bool data)
d2835319
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120{
121 unsigned int i, perc, perc_missing;
122 unsigned int max_bs, min_bs;
123 struct split split;
124
125 memset(&split, 0, sizeof(split));
126
517c9c72 127 if (split_parse_ddir(o, &split, str, data, BSSPLIT_MAX))
d2835319
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128 return 1;
129 if (!split.nr)
130 return 0;
131
132 max_bs = 0;
133 min_bs = -1;
134 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
135 o->bssplit_nr[ddir] = split.nr;
136 for (i = 0; i < split.nr; i++) {
137 if (split.val1[i] > max_bs)
138 max_bs = split.val1[i];
139 if (split.val1[i] < min_bs)
140 min_bs = split.val1[i];
141
142 o->bssplit[ddir][i].bs = split.val1[i];
143 o->bssplit[ddir][i].perc =split.val2[i];
144 }
564ca972
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145
146 /*
147 * Now check if the percentages add up, and how much is missing
148 */
149 perc = perc_missing = 0;
83ea422a 150 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 151 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 152
d711cce5 153 if (bsp->perc == -1U)
564ca972
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154 perc_missing++;
155 else
156 perc += bsp->perc;
157 }
158
40bafa33 159 if (perc > 100 && perc_missing > 1) {
564ca972 160 log_err("fio: bssplit percentages add to more than 100%%\n");
d2835319
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161 free(o->bssplit[ddir]);
162 o->bssplit[ddir] = NULL;
564ca972
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163 return 1;
164 }
d711cce5 165
564ca972
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166 /*
167 * If values didn't have a percentage set, divide the remains between
168 * them.
169 */
170 if (perc_missing) {
d711cce5 171 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 172 perc = 100;
83ea422a 173 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 174 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 175
d711cce5 176 if (bsp->perc == -1U)
564ca972
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177 bsp->perc = (100 - perc) / perc_missing;
178 }
179 }
180
83ea422a
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181 o->min_bs[ddir] = min_bs;
182 o->max_bs[ddir] = max_bs;
564ca972
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183
184 /*
185 * now sort based on percentages, for ease of lookup
186 */
d2835319 187 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
720e84ad 188 return 0;
720e84ad
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189}
190
59466396 191typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *, bool);
764593c0 192
59466396
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193static int str_split_parse(struct thread_data *td, char *str,
194 split_parse_fn *fn, bool data)
720e84ad 195{
764593c0 196 char *odir, *ddir;
720e84ad
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197 int ret = 0;
198
720e84ad
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199 odir = strchr(str, ',');
200 if (odir) {
6eaf09d6
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201 ddir = strchr(odir + 1, ',');
202 if (ddir) {
59466396 203 ret = fn(&td->o, DDIR_TRIM, ddir + 1, data);
6eaf09d6
SL
204 if (!ret)
205 *ddir = '\0';
206 } else {
207 char *op;
208
209 op = strdup(odir + 1);
59466396 210 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL
211
212 free(op);
213 }
d79db122 214 if (!ret)
59466396 215 ret = fn(&td->o, DDIR_WRITE, odir + 1, data);
720e84ad
JA
216 if (!ret) {
217 *odir = '\0';
59466396 218 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad
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219 }
220 } else {
221 char *op;
222
223 op = strdup(str);
59466396 224 ret = fn(&td->o, DDIR_WRITE, op, data);
6eaf09d6 225 free(op);
720e84ad 226
6eaf09d6
SL
227 if (!ret) {
228 op = strdup(str);
59466396 229 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL
230 free(op);
231 }
f0c9c217 232 if (!ret)
59466396 233 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad 234 }
564ca972 235
764593c0
JA
236 return ret;
237}
238
239static int str_bssplit_cb(void *data, const char *input)
240{
a609f12a 241 struct thread_data *td = cb_data_to_td(data);
764593c0
JA
242 char *str, *p;
243 int ret = 0;
244
764593c0
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245 p = str = strdup(input);
246
247 strip_blank_front(&str);
248 strip_blank_end(str);
249
59466396 250 ret = str_split_parse(td, str, bssplit_ddir, false);
764593c0 251
55baca06
JA
252 if (parse_dryrun()) {
253 int i;
254
255 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
256 free(td->o.bssplit[i]);
257 td->o.bssplit[i] = NULL;
258 td->o.bssplit_nr[i] = 0;
259 }
260 }
261
564ca972 262 free(p);
720e84ad 263 return ret;
564ca972
JA
264}
265
8b28bd41
DM
266static int str2error(char *str)
267{
a94eb99a 268 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM
269 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
270 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
271 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
272 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
273 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
274 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 275 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
7fe481b4 276 int i = 0, num = sizeof(err) / sizeof(char *);
8b28bd41 277
a94eb99a 278 while (i < num) {
8b28bd41
DM
279 if (!strcmp(err[i], str))
280 return i + 1;
281 i++;
282 }
283 return 0;
284}
285
3ed673c6
TK
286static int ignore_error_type(struct thread_data *td, enum error_type_bit etype,
287 char *str)
8b28bd41
DM
288{
289 unsigned int i;
290 int *error;
291 char *fname;
292
293 if (etype >= ERROR_TYPE_CNT) {
294 log_err("Illegal error type\n");
295 return 1;
296 }
297
298 td->o.ignore_error_nr[etype] = 4;
685ffd57 299 error = calloc(4, sizeof(int));
8b28bd41
DM
300
301 i = 0;
302 while ((fname = strsep(&str, ":")) != NULL) {
303
304 if (!strlen(fname))
305 break;
306
307 /*
308 * grow struct buffer, if needed
309 */
310 if (i == td->o.ignore_error_nr[etype]) {
311 td->o.ignore_error_nr[etype] <<= 1;
312 error = realloc(error, td->o.ignore_error_nr[etype]
313 * sizeof(int));
314 }
315 if (fname[0] == 'E') {
316 error[i] = str2error(fname);
317 } else {
318 error[i] = atoi(fname);
319 if (error[i] < 0)
1616e025 320 error[i] = -error[i];
8b28bd41
DM
321 }
322 if (!error[i]) {
d503e281 323 log_err("Unknown error %s, please use number value\n",
8b28bd41 324 fname);
d503e281 325 td->o.ignore_error_nr[etype] = 0;
0fddbf7a 326 free(error);
8b28bd41
DM
327 return 1;
328 }
329 i++;
330 }
331 if (i) {
332 td->o.continue_on_error |= 1 << etype;
333 td->o.ignore_error_nr[etype] = i;
334 td->o.ignore_error[etype] = error;
d503e281
TK
335 } else {
336 td->o.ignore_error_nr[etype] = 0;
c7b086be 337 free(error);
d503e281 338 }
c7b086be 339
8b28bd41
DM
340 return 0;
341
342}
343
d7235efb
JA
344static int str_replay_skip_cb(void *data, const char *input)
345{
346 struct thread_data *td = cb_data_to_td(data);
347 char *str, *p, *n;
348 int ret = 0;
349
350 if (parse_dryrun())
351 return 0;
352
353 p = str = strdup(input);
354
355 strip_blank_front(&str);
356 strip_blank_end(str);
357
358 while (p) {
359 n = strchr(p, ',');
360 if (n)
361 *n++ = '\0';
362 if (!strcmp(p, "read"))
363 td->o.replay_skip |= 1u << DDIR_READ;
364 else if (!strcmp(p, "write"))
365 td->o.replay_skip |= 1u << DDIR_WRITE;
366 else if (!strcmp(p, "trim"))
367 td->o.replay_skip |= 1u << DDIR_TRIM;
368 else if (!strcmp(p, "sync"))
369 td->o.replay_skip |= 1u << DDIR_SYNC;
370 else {
371 log_err("Unknown skip type: %s\n", p);
372 ret = 1;
373 break;
374 }
375 p = n;
376 }
377 free(str);
378 return ret;
379}
380
8b28bd41
DM
381static int str_ignore_error_cb(void *data, const char *input)
382{
a609f12a 383 struct thread_data *td = cb_data_to_td(data);
8b28bd41 384 char *str, *p, *n;
3ed673c6
TK
385 int ret = 1;
386 enum error_type_bit type = 0;
52c0cea3
JA
387
388 if (parse_dryrun())
389 return 0;
390
8b28bd41
DM
391 p = str = strdup(input);
392
393 strip_blank_front(&str);
394 strip_blank_end(str);
395
396 while (p) {
397 n = strchr(p, ',');
398 if (n)
399 *n++ = '\0';
400 ret = ignore_error_type(td, type, p);
401 if (ret)
402 break;
403 p = n;
404 type++;
405 }
406 free(str);
407 return ret;
408}
409
211097b2
JA
410static int str_rw_cb(void *data, const char *str)
411{
a609f12a 412 struct thread_data *td = cb_data_to_td(data);
83ea422a 413 struct thread_options *o = &td->o;
27ca949f 414 char *nr;
211097b2 415
52c0cea3
JA
416 if (parse_dryrun())
417 return 0;
418
83ea422a
JA
419 o->ddir_seq_nr = 1;
420 o->ddir_seq_add = 0;
059b0802 421
27ca949f 422 nr = get_opt_postfix(str);
059b0802
JA
423 if (!nr)
424 return 0;
425
426 if (td_random(td))
83ea422a 427 o->ddir_seq_nr = atoi(nr);
059b0802
JA
428 else {
429 long long val;
430
88038bc7 431 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA
432 log_err("fio: rw postfix parsing failed\n");
433 free(nr);
434 return 1;
435 }
436
83ea422a 437 o->ddir_seq_add = val;
182ec6ee 438 }
211097b2 439
059b0802 440 free(nr);
211097b2
JA
441 return 0;
442}
443
214e1eca
JA
444static int str_mem_cb(void *data, const char *mem)
445{
a609f12a 446 struct thread_data *td = cb_data_to_td(data);
214e1eca 447
217b0f1d
LG
448 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
449 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 450 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA
451
452 return 0;
453}
454
c223da83
JA
455static int fio_clock_source_cb(void *data, const char *str)
456{
a609f12a 457 struct thread_data *td = cb_data_to_td(data);
c223da83
JA
458
459 fio_clock_source = td->o.clocksource;
fa80feae 460 fio_clock_source_set = 1;
01423eae 461 fio_clock_init();
c223da83
JA
462 return 0;
463}
464
85bc833b 465static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4 466{
a609f12a 467 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA
468
469 td->o.rwmix[DDIR_READ] = *val;
470 td->o.rwmix[DDIR_WRITE] = 100 - *val;
471 return 0;
472}
473
85bc833b 474static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4 475{
a609f12a 476 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA
477
478 td->o.rwmix[DDIR_WRITE] = *val;
479 td->o.rwmix[DDIR_READ] = 100 - *val;
480 return 0;
481}
482
214e1eca
JA
483static int str_exitall_cb(void)
484{
485 exitall_on_terminate = 1;
486 return 0;
487}
488
214e1eca 489#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 490int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 491{
50b5860b 492 unsigned int i, index, cpus_in_mask;
c2acfbac 493 const long max_cpu = cpus_online();
c2acfbac 494
50b5860b
JA
495 cpus_in_mask = fio_cpu_count(mask);
496 cpu_index = cpu_index % cpus_in_mask;
497
498 index = 0;
c2acfbac 499 for (i = 0; i < max_cpu; i++) {
50b5860b 500 if (!fio_cpu_isset(mask, i))
c2acfbac 501 continue;
50b5860b
JA
502
503 if (cpu_index != index)
504 fio_cpu_clear(mask, i);
505
506 index++;
c2acfbac
JA
507 }
508
509 return fio_cpu_count(mask);
510}
511
85bc833b 512static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0 513{
a609f12a 514 struct thread_data *td = cb_data_to_td(data);
214e1eca 515 unsigned int i;
b03daafb 516 long max_cpu;
d2ce18b5
JA
517 int ret;
518
52c0cea3
JA
519 if (parse_dryrun())
520 return 0;
521
d2ce18b5
JA
522 ret = fio_cpuset_init(&td->o.cpumask);
523 if (ret < 0) {
524 log_err("fio: cpuset_init failed\n");
525 td_verror(td, ret, "fio_cpuset_init");
526 return 1;
527 }
214e1eca 528
c00a2289 529 max_cpu = cpus_online();
214e1eca 530
62a7273d
JA
531 for (i = 0; i < sizeof(int) * 8; i++) {
532 if ((1 << i) & *val) {
b8411399 533 if (i >= max_cpu) {
b03daafb 534 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 535 max_cpu - 1);
b03daafb
JA
536 return 1;
537 }
62a7273d 538 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 539 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA
540 }
541 }
d2e268b0 542
d2e268b0 543 return 0;
214e1eca
JA
544}
545
e8462bd8
JA
546static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
547 const char *input)
214e1eca 548{
d2e268b0 549 char *cpu, *str, *p;
b03daafb 550 long max_cpu;
19608d6c 551 int ret = 0;
d2e268b0 552
e8462bd8 553 ret = fio_cpuset_init(mask);
d2ce18b5
JA
554 if (ret < 0) {
555 log_err("fio: cpuset_init failed\n");
556 td_verror(td, ret, "fio_cpuset_init");
557 return 1;
558 }
d2e268b0
JA
559
560 p = str = strdup(input);
214e1eca 561
d2e268b0
JA
562 strip_blank_front(&str);
563 strip_blank_end(str);
564
c00a2289 565 max_cpu = cpus_online();
b03daafb 566
d2e268b0 567 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA
568 char *str2, *cpu2;
569 int icpu, icpu2;
570
d2e268b0
JA
571 if (!strlen(cpu))
572 break;
62a7273d
JA
573
574 str2 = cpu;
575 icpu2 = -1;
576 while ((cpu2 = strsep(&str2, "-")) != NULL) {
577 if (!strlen(cpu2))
578 break;
579
580 icpu2 = atoi(cpu2);
581 }
582
583 icpu = atoi(cpu);
584 if (icpu2 == -1)
585 icpu2 = icpu;
586 while (icpu <= icpu2) {
6d459ee7 587 if (icpu >= FIO_MAX_CPUS) {
19608d6c 588 log_err("fio: your OS only supports up to"
6d459ee7 589 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA
590 ret = 1;
591 break;
592 }
9e986889 593 if (icpu >= max_cpu) {
b03daafb 594 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 595 icpu, max_cpu - 1);
b03daafb
JA
596 ret = 1;
597 break;
598 }
0b9d69ec 599
62a7273d 600 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 601 fio_cpu_set(mask, icpu);
62a7273d
JA
602 icpu++;
603 }
19608d6c
JA
604 if (ret)
605 break;
d2e268b0
JA
606 }
607
608 free(p);
19608d6c 609 return ret;
214e1eca 610}
e8462bd8
JA
611
612static int str_cpus_allowed_cb(void *data, const char *input)
613{
a609f12a 614 struct thread_data *td = cb_data_to_td(data);
e8462bd8 615
52c0cea3
JA
616 if (parse_dryrun())
617 return 0;
618
b2a9e649 619 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA
620}
621
622static int str_verify_cpus_allowed_cb(void *data, const char *input)
623{
a609f12a 624 struct thread_data *td = cb_data_to_td(data);
e8462bd8 625
466155e2
JA
626 if (parse_dryrun())
627 return 0;
628
b2a9e649 629 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 630}
c08f9fe2 631
105157ad 632#ifdef CONFIG_ZLIB
c08f9fe2
JA
633static int str_log_cpus_allowed_cb(void *data, const char *input)
634{
a609f12a 635 struct thread_data *td = cb_data_to_td(data);
c08f9fe2
JA
636
637 if (parse_dryrun())
638 return 0;
639
640 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
641}
105157ad 642#endif /* CONFIG_ZLIB */
c08f9fe2 643
105157ad 644#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 645
67bf9823 646#ifdef CONFIG_LIBNUMA
d0b937ed
YR
647static int str_numa_cpunodes_cb(void *data, char *input)
648{
a609f12a 649 struct thread_data *td = cb_data_to_td(data);
43522848 650 struct bitmask *verify_bitmask;
d0b937ed 651
52c0cea3
JA
652 if (parse_dryrun())
653 return 0;
654
d0b937ed
YR
655 /* numa_parse_nodestring() parses a character string list
656 * of nodes into a bit mask. The bit mask is allocated by
657 * numa_allocate_nodemask(), so it should be freed by
658 * numa_free_nodemask().
659 */
43522848
DG
660 verify_bitmask = numa_parse_nodestring(input);
661 if (verify_bitmask == NULL) {
d0b937ed
YR
662 log_err("fio: numa_parse_nodestring failed\n");
663 td_verror(td, 1, "str_numa_cpunodes_cb");
664 return 1;
665 }
43522848 666 numa_free_nodemask(verify_bitmask);
d0b937ed 667
43522848 668 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR
669 return 0;
670}
671
672static int str_numa_mpol_cb(void *data, char *input)
673{
a609f12a 674 struct thread_data *td = cb_data_to_td(data);
d0b937ed 675 const char * const policy_types[] =
05d6f44b 676 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 677 int i;
52c0cea3 678 char *nodelist;
43522848 679 struct bitmask *verify_bitmask;
52c0cea3
JA
680
681 if (parse_dryrun())
682 return 0;
d0b937ed 683
52c0cea3 684 nodelist = strchr(input, ':');
d0b937ed
YR
685 if (nodelist) {
686 /* NUL-terminate mode */
687 *nodelist++ = '\0';
688 }
689
690 for (i = 0; i <= MPOL_LOCAL; i++) {
691 if (!strcmp(input, policy_types[i])) {
692 td->o.numa_mem_mode = i;
693 break;
694 }
695 }
696 if (i > MPOL_LOCAL) {
697 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
698 goto out;
699 }
700
701 switch (td->o.numa_mem_mode) {
702 case MPOL_PREFERRED:
703 /*
704 * Insist on a nodelist of one node only
705 */
706 if (nodelist) {
707 char *rest = nodelist;
708 while (isdigit(*rest))
709 rest++;
710 if (*rest) {
711 log_err("fio: one node only for \'prefer\'\n");
712 goto out;
713 }
714 } else {
715 log_err("fio: one node is needed for \'prefer\'\n");
716 goto out;
717 }
718 break;
719 case MPOL_INTERLEAVE:
720 /*
721 * Default to online nodes with memory if no nodelist
722 */
723 if (!nodelist)
724 nodelist = strdup("all");
725 break;
726 case MPOL_LOCAL:
727 case MPOL_DEFAULT:
728 /*
729 * Don't allow a nodelist
730 */
731 if (nodelist) {
732 log_err("fio: NO nodelist for \'local\'\n");
733 goto out;
734 }
735 break;
736 case MPOL_BIND:
737 /*
738 * Insist on a nodelist
739 */
740 if (!nodelist) {
741 log_err("fio: a nodelist is needed for \'bind\'\n");
742 goto out;
743 }
744 break;
745 }
746
747
748 /* numa_parse_nodestring() parses a character string list
749 * of nodes into a bit mask. The bit mask is allocated by
750 * numa_allocate_nodemask(), so it should be freed by
751 * numa_free_nodemask().
752 */
753 switch (td->o.numa_mem_mode) {
754 case MPOL_PREFERRED:
755 td->o.numa_mem_prefer_node = atoi(nodelist);
756 break;
757 case MPOL_INTERLEAVE:
758 case MPOL_BIND:
43522848
DG
759 verify_bitmask = numa_parse_nodestring(nodelist);
760 if (verify_bitmask == NULL) {
d0b937ed
YR
761 log_err("fio: numa_parse_nodestring failed\n");
762 td_verror(td, 1, "str_numa_memnodes_cb");
763 return 1;
764 }
43522848
DG
765 td->o.numa_memnodes = strdup(nodelist);
766 numa_free_nodemask(verify_bitmask);
b74e419e 767
d0b937ed
YR
768 break;
769 case MPOL_LOCAL:
770 case MPOL_DEFAULT:
771 default:
772 break;
773 }
774
d0b937ed 775 return 0;
d0b937ed
YR
776out:
777 return 1;
778}
779#endif
780
214e1eca
JA
781static int str_fst_cb(void *data, const char *str)
782{
a609f12a 783 struct thread_data *td = cb_data_to_td(data);
8c07860d
JA
784 double val;
785 bool done = false;
786 char *nr;
214e1eca
JA
787
788 td->file_service_nr = 1;
8c07860d
JA
789
790 switch (td->o.file_service_type) {
791 case FIO_FSERVICE_RANDOM:
792 case FIO_FSERVICE_RR:
793 case FIO_FSERVICE_SEQ:
794 nr = get_opt_postfix(str);
795 if (nr) {
796 td->file_service_nr = atoi(nr);
797 free(nr);
798 }
799 done = true;
800 break;
801 case FIO_FSERVICE_ZIPF:
802 val = FIO_DEF_ZIPF;
803 break;
804 case FIO_FSERVICE_PARETO:
805 val = FIO_DEF_PARETO;
806 break;
807 case FIO_FSERVICE_GAUSS:
808 val = 0.0;
809 break;
810 default:
811 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
812 return 1;
813 }
814
815 if (done)
816 return 0;
817
818 nr = get_opt_postfix(str);
819 if (nr && !str_to_float(nr, &val, 0)) {
820 log_err("fio: file service type random postfix parsing failed\n");
182ec6ee 821 free(nr);
8c07860d
JA
822 return 1;
823 }
824
825 free(nr);
826
827 switch (td->o.file_service_type) {
828 case FIO_FSERVICE_ZIPF:
829 if (val == 1.00) {
830 log_err("fio: zipf theta must be different than 1.0\n");
831 return 1;
832 }
833 if (parse_dryrun())
834 return 0;
835 td->zipf_theta = val;
836 break;
837 case FIO_FSERVICE_PARETO:
838 if (val <= 0.00 || val >= 1.00) {
839 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
840 return 1;
841 }
842 if (parse_dryrun())
843 return 0;
844 td->pareto_h = val;
845 break;
846 case FIO_FSERVICE_GAUSS:
847 if (val < 0.00 || val >= 100.00) {
99c94a6b 848 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
8c07860d
JA
849 return 1;
850 }
851 if (parse_dryrun())
852 return 0;
853 td->gauss_dev = val;
854 break;
182ec6ee 855 }
214e1eca
JA
856
857 return 0;
858}
859
67bf9823 860#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
861static int str_sfr_cb(void *data, const char *str)
862{
a609f12a 863 struct thread_data *td = cb_data_to_td(data);
44f29692
JA
864 char *nr = get_opt_postfix(str);
865
866 td->sync_file_range_nr = 1;
867 if (nr) {
868 td->sync_file_range_nr = atoi(nr);
869 free(nr);
870 }
871
872 return 0;
873}
3ae06371 874#endif
44f29692 875
764593c0 876static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
59466396 877 char *str, bool absolute)
e0a04ac1 878{
e0a04ac1 879 unsigned int i, perc, perc_missing, sperc, sperc_missing;
d2835319 880 struct split split;
e0a04ac1 881
d2835319 882 memset(&split, 0, sizeof(split));
e0a04ac1 883
517c9c72 884 if (split_parse_ddir(o, &split, str, absolute, ZONESPLIT_MAX))
d2835319
JA
885 return 1;
886 if (!split.nr)
887 return 0;
e0a04ac1 888
d2835319
JA
889 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
890 o->zone_split_nr[ddir] = split.nr;
891 for (i = 0; i < split.nr; i++) {
892 o->zone_split[ddir][i].access_perc = split.val1[i];
59466396
JA
893 if (absolute)
894 o->zone_split[ddir][i].size = split.val2[i];
895 else
896 o->zone_split[ddir][i].size_perc = split.val2[i];
e0a04ac1
JA
897 }
898
e0a04ac1
JA
899 /*
900 * Now check if the percentages add up, and how much is missing
901 */
902 perc = perc_missing = 0;
903 sperc = sperc_missing = 0;
904 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 905 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA
906
907 if (zsp->access_perc == (uint8_t) -1U)
908 perc_missing++;
909 else
910 perc += zsp->access_perc;
911
59466396
JA
912 if (!absolute) {
913 if (zsp->size_perc == (uint8_t) -1U)
914 sperc_missing++;
915 else
916 sperc += zsp->size_perc;
917 }
e0a04ac1
JA
918 }
919
920 if (perc > 100 || sperc > 100) {
921 log_err("fio: zone_split percentages add to more than 100%%\n");
d2835319
JA
922 free(o->zone_split[ddir]);
923 o->zone_split[ddir] = NULL;
e0a04ac1
JA
924 return 1;
925 }
926 if (perc < 100) {
927 log_err("fio: access percentage don't add up to 100 for zoned "
928 "random distribution (got=%u)\n", perc);
d2835319
JA
929 free(o->zone_split[ddir]);
930 o->zone_split[ddir] = NULL;
e0a04ac1
JA
931 return 1;
932 }
933
934 /*
935 * If values didn't have a percentage set, divide the remains between
936 * them.
937 */
938 if (perc_missing) {
939 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
940 perc = 100;
941 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 942 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA
943
944 if (zsp->access_perc == (uint8_t) -1U)
945 zsp->access_perc = (100 - perc) / perc_missing;
946 }
947 }
948 if (sperc_missing) {
949 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
950 sperc = 100;
951 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 952 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA
953
954 if (zsp->size_perc == (uint8_t) -1U)
955 zsp->size_perc = (100 - sperc) / sperc_missing;
956 }
957 }
958
e0a04ac1
JA
959 return 0;
960}
961
962static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir)
963{
964 unsigned int i, j, sprev, aprev;
59466396 965 uint64_t sprev_sz;
e0a04ac1
JA
966
967 td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100);
968
59466396 969 sprev_sz = sprev = aprev = 0;
e0a04ac1
JA
970 for (i = 0; i < td->o.zone_split_nr[ddir]; i++) {
971 struct zone_split *zsp = &td->o.zone_split[ddir][i];
972
973 for (j = aprev; j < aprev + zsp->access_perc; j++) {
974 struct zone_split_index *zsi = &td->zone_state_index[ddir][j];
975
976 zsi->size_perc = sprev + zsp->size_perc;
977 zsi->size_perc_prev = sprev;
59466396
JA
978
979 zsi->size = sprev_sz + zsp->size;
980 zsi->size_prev = sprev_sz;
e0a04ac1
JA
981 }
982
983 aprev += zsp->access_perc;
984 sprev += zsp->size_perc;
59466396 985 sprev_sz += zsp->size;
e0a04ac1
JA
986 }
987}
988
989/*
990 * Generate state table for indexes, so we don't have to do it inline from
991 * the hot IO path
992 */
993static void td_zone_gen_index(struct thread_data *td)
994{
995 int i;
996
997 td->zone_state_index = malloc(DDIR_RWDIR_CNT *
998 sizeof(struct zone_split_index *));
999
1000 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1001 __td_zone_gen_index(td, i);
1002}
1003
59466396
JA
1004static int parse_zoned_distribution(struct thread_data *td, const char *input,
1005 bool absolute)
e0a04ac1 1006{
59466396 1007 const char *pre = absolute ? "zoned_abs:" : "zoned:";
764593c0 1008 char *str, *p;
e0a04ac1
JA
1009 int i, ret = 0;
1010
1011 p = str = strdup(input);
1012
1013 strip_blank_front(&str);
1014 strip_blank_end(str);
1015
1016 /* We expect it to start like that, bail if not */
59466396 1017 if (strncmp(str, pre, strlen(pre))) {
e0a04ac1
JA
1018 log_err("fio: mismatch in zoned input <%s>\n", str);
1019 free(p);
1020 return 1;
1021 }
59466396 1022 str += strlen(pre);
e0a04ac1 1023
59466396 1024 ret = str_split_parse(td, str, zone_split_ddir, absolute);
e0a04ac1
JA
1025
1026 free(p);
1027
1028 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1029 int j;
1030
1031 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
1032
1033 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
1034 struct zone_split *zsp = &td->o.zone_split[i][j];
1035
59466396
JA
1036 if (absolute) {
1037 dprint(FD_PARSE, "\t%d: %u/%llu\n", j,
1038 zsp->access_perc,
1039 (unsigned long long) zsp->size);
1040 } else {
1041 dprint(FD_PARSE, "\t%d: %u/%u\n", j,
1042 zsp->access_perc,
1043 zsp->size_perc);
1044 }
e0a04ac1
JA
1045 }
1046 }
1047
55baca06 1048 if (parse_dryrun()) {
55baca06
JA
1049 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1050 free(td->o.zone_split[i]);
1051 td->o.zone_split[i] = NULL;
1052 td->o.zone_split_nr[i] = 0;
1053 }
1054
1055 return ret;
1056 }
1057
e0a04ac1
JA
1058 if (!ret)
1059 td_zone_gen_index(td);
dc4bffb8
JA
1060 else {
1061 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1062 td->o.zone_split_nr[i] = 0;
1063 }
e0a04ac1
JA
1064
1065 return ret;
1066}
1067
e25839d4
JA
1068static int str_random_distribution_cb(void *data, const char *str)
1069{
a609f12a 1070 struct thread_data *td = cb_data_to_td(data);
e25839d4
JA
1071 double val;
1072 char *nr;
1073
925fee33 1074 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1075 val = FIO_DEF_ZIPF;
925fee33 1076 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1077 val = FIO_DEF_PARETO;
56d9fa4b
JA
1078 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1079 val = 0.0;
e0a04ac1 1080 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
59466396
JA
1081 return parse_zoned_distribution(td, str, false);
1082 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS)
1083 return parse_zoned_distribution(td, str, true);
925fee33 1084 else
e25839d4
JA
1085 return 0;
1086
1087 nr = get_opt_postfix(str);
88038bc7 1088 if (nr && !str_to_float(nr, &val, 0)) {
e25839d4
JA
1089 log_err("fio: random postfix parsing failed\n");
1090 free(nr);
1091 return 1;
1092 }
1093
078189c1
JA
1094 free(nr);
1095
18ded917
JA
1096 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1097 if (val == 1.00) {
1098 log_err("fio: zipf theta must different than 1.0\n");
1099 return 1;
1100 }
55baca06
JA
1101 if (parse_dryrun())
1102 return 0;
1e5324e7 1103 td->o.zipf_theta.u.f = val;
56d9fa4b 1104 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA
1105 if (val <= 0.00 || val >= 1.00) {
1106 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1107 return 1;
1108 }
55baca06
JA
1109 if (parse_dryrun())
1110 return 0;
1e5324e7 1111 td->o.pareto_h.u.f = val;
3cdb8cf3 1112 } else {
76527b19 1113 if (val < 0.00 || val >= 100.0) {
99c94a6b 1114 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA
1115 return 1;
1116 }
55baca06
JA
1117 if (parse_dryrun())
1118 return 0;
f88cd222 1119 td->o.gauss_dev.u.f = val;
3cdb8cf3 1120 }
921c766f
JA
1121
1122 return 0;
1123}
1124
16e56d25
VF
1125static int str_steadystate_cb(void *data, const char *str)
1126{
94f218f6 1127 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF
1128 double val;
1129 char *nr;
1130 char *pct;
1131 long long ll;
1132
2c5d94bc
VF
1133 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1134 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF
1135 /* should be impossible to get here */
1136 log_err("fio: unknown steady state criterion\n");
1137 return 1;
1138 }
1139
1140 nr = get_opt_postfix(str);
1141 if (!nr) {
1142 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1143 free(nr);
1144 return 1;
1145 }
1146
1147 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1148 pct = strstr(nr, "%");
1149 if (pct) {
1150 *pct = '\0';
1151 strip_blank_end(nr);
1152 if (!str_to_float(nr, &val, 0)) {
1153 log_err("fio: could not parse steadystate threshold percentage\n");
1154 free(nr);
1155 return 1;
1156 }
1157
1158 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1159 free(nr);
1160 if (parse_dryrun())
1161 return 0;
1162
c8caba48 1163 td->o.ss_state |= FIO_SS_PCT;
16e56d25 1164 td->o.ss_limit.u.f = val;
c8caba48 1165 } else if (td->o.ss_state & FIO_SS_IOPS) {
16e56d25
VF
1166 if (!str_to_float(nr, &val, 0)) {
1167 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1168 free(nr);
1169 return 1;
1170 }
1171
1172 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1173 free(nr);
1174 if (parse_dryrun())
1175 return 0;
1176
16e56d25 1177 td->o.ss_limit.u.f = val;
16e56d25
VF
1178 } else { /* bandwidth criterion */
1179 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1180 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1181 free(nr);
1182 return 1;
1183 }
1184
1185 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1186 free(nr);
1187 if (parse_dryrun())
1188 return 0;
1189
16e56d25 1190 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF
1191 }
1192
2c5d94bc 1193 td->ss.state = td->o.ss_state;
16e56d25
VF
1194 return 0;
1195}
1196
8e827d35 1197/*
bcbfeefa 1198 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA
1199 * is escaped with a '\', then that ':' is part of the filename and does not
1200 * indicate a new file.
1201 */
bcbfeefa 1202static char *get_next_name(char **ptr)
8e827d35
JA
1203{
1204 char *str = *ptr;
1205 char *p, *start;
1206
1207 if (!str || !strlen(str))
1208 return NULL;
1209
1210 start = str;
1211 do {
1212 /*
1213 * No colon, we are done
1214 */
1215 p = strchr(str, ':');
1216 if (!p) {
1217 *ptr = NULL;
1218 break;
1219 }
1220
1221 /*
1222 * We got a colon, but it's the first character. Skip and
1223 * continue
1224 */
1225 if (p == start) {
1226 str = ++start;
1227 continue;
1228 }
1229
1230 if (*(p - 1) != '\\') {
1231 *p = '\0';
1232 *ptr = p + 1;
1233 break;
1234 }
1235
1236 memmove(p - 1, p, strlen(p) + 1);
1237 str = p;
1238 } while (1);
1239
1240 return start;
1241}
1242
bcbfeefa
CE
1243
1244static int get_max_name_idx(char *input)
1245{
1246 unsigned int cur_idx;
1247 char *str, *p;
1248
1249 p = str = strdup(input);
1250 for (cur_idx = 0; ; cur_idx++)
1251 if (get_next_name(&str) == NULL)
1252 break;
1253
1254 free(p);
1255 return cur_idx;
1256}
1257
1258/*
1259 * Returns the directory at the index, indexes > entires will be
1260 * assigned via modulo division of the index
1261 */
922a5be8
JA
1262int set_name_idx(char *target, size_t tlen, char *input, int index,
1263 bool unique_filename)
bcbfeefa
CE
1264{
1265 unsigned int cur_idx;
1266 int len;
1267 char *fname, *str, *p;
1268
1269 p = str = strdup(input);
1270
1271 index %= get_max_name_idx(input);
1272 for (cur_idx = 0; cur_idx <= index; cur_idx++)
1273 fname = get_next_name(&str);
1274
922a5be8 1275 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA
1276 len = snprintf(target, tlen, "%s/%s.", fname,
1277 client_sockaddr_str);
1278 } else
1279 len = snprintf(target, tlen, "%s/", fname);
72a703da 1280
e13c3b50 1281 target[tlen - 1] = '\0';
bcbfeefa
CE
1282 free(p);
1283
1284 return len;
1285}
1286
214e1eca
JA
1287static int str_filename_cb(void *data, const char *input)
1288{
a609f12a 1289 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA
1290 char *fname, *str, *p;
1291
1292 p = str = strdup(input);
1293
1294 strip_blank_front(&str);
1295 strip_blank_end(str);
1296
79591fa9
TK
1297 /*
1298 * Ignore what we may already have from nrfiles option.
1299 */
214e1eca 1300 if (!td->files_index)
2dc1bbeb 1301 td->o.nr_files = 0;
214e1eca 1302
bcbfeefa 1303 while ((fname = get_next_name(&str)) != NULL) {
214e1eca
JA
1304 if (!strlen(fname))
1305 break;
5903e7b7 1306 add_file(td, fname, 0, 1);
214e1eca
JA
1307 }
1308
1309 free(p);
1310 return 0;
1311}
1312
bcbfeefa 1313static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1314{
a609f12a 1315 struct thread_data *td = cb_data_to_td(data);
214e1eca 1316 struct stat sb;
bcbfeefa
CE
1317 char *dirname, *str, *p;
1318 int ret = 0;
214e1eca 1319
f9633d72
JA
1320 if (parse_dryrun())
1321 return 0;
1322
bcbfeefa
CE
1323 p = str = strdup(td->o.directory);
1324 while ((dirname = get_next_name(&str)) != NULL) {
1325 if (lstat(dirname, &sb) < 0) {
1326 ret = errno;
921c766f 1327
bcbfeefa
CE
1328 log_err("fio: %s is not a directory\n", dirname);
1329 td_verror(td, ret, "lstat");
1330 goto out;
1331 }
1332 if (!S_ISDIR(sb.st_mode)) {
1333 log_err("fio: %s is not a directory\n", dirname);
1334 ret = 1;
1335 goto out;
1336 }
214e1eca
JA
1337 }
1338
bcbfeefa
CE
1339out:
1340 free(p);
1341 return ret;
214e1eca
JA
1342}
1343
1344static int str_opendir_cb(void *data, const char fio_unused *str)
1345{
a609f12a 1346 struct thread_data *td = cb_data_to_td(data);
214e1eca 1347
52c0cea3
JA
1348 if (parse_dryrun())
1349 return 0;
1350
214e1eca 1351 if (!td->files_index)
2dc1bbeb 1352 td->o.nr_files = 0;
214e1eca 1353
2dc1bbeb 1354 return add_dir_files(td, td->o.opendir);
214e1eca
JA
1355}
1356
ce35b1ec
JA
1357static int str_buffer_pattern_cb(void *data, const char *input)
1358{
a609f12a 1359 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA
1360 int ret;
1361
61b9861d
RP
1362 /* FIXME: for now buffer pattern does not support formats */
1363 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
1364 MAX_PATTERN_SIZE, NULL, 0, NULL, NULL);
1365 if (ret < 0)
1366 return 1;
ce35b1ec 1367
61b9861d
RP
1368 assert(ret != 0);
1369 td->o.buffer_pattern_bytes = ret;
c55fae03
JA
1370
1371 /*
1372 * If this job is doing any reading or has compression set,
1373 * ensure that we refill buffers for writes or we could be
1374 * invalidating the pattern through reads.
1375 */
1376 if (!td->o.compress_percentage && !td_read(td))
61b9861d 1377 td->o.refill_buffers = 0;
c55fae03
JA
1378 else
1379 td->o.refill_buffers = 1;
1380
61b9861d
RP
1381 td->o.scramble_buffers = 0;
1382 td->o.zero_buffers = 0;
efcd9dcc 1383
61b9861d 1384 return 0;
ce35b1ec
JA
1385}
1386
bedc9dc2
JA
1387static int str_buffer_compress_cb(void *data, unsigned long long *il)
1388{
a609f12a 1389 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA
1390
1391 td->flags |= TD_F_COMPRESS;
1392 td->o.compress_percentage = *il;
1393 return 0;
1394}
1395
5c94b008
JA
1396static int str_dedupe_cb(void *data, unsigned long long *il)
1397{
a609f12a 1398 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA
1399
1400 td->flags |= TD_F_COMPRESS;
1401 td->o.dedupe_percentage = *il;
1402 td->o.refill_buffers = 1;
1403 return 0;
1404}
1405
ce35b1ec
JA
1406static int str_verify_pattern_cb(void *data, const char *input)
1407{
a609f12a 1408 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA
1409 int ret;
1410
61b9861d
RP
1411 td->o.verify_fmt_sz = ARRAY_SIZE(td->o.verify_fmt);
1412 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
4205998f
JA
1413 MAX_PATTERN_SIZE, fmt_desc, sizeof(fmt_desc),
1414 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP
1415 if (ret < 0)
1416 return 1;
efcd9dcc 1417
61b9861d
RP
1418 assert(ret != 0);
1419 td->o.verify_pattern_bytes = ret;
92bf48d5 1420 /*
b638d82f 1421 * VERIFY_* could already be set
92bf48d5 1422 */
61b9861d 1423 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1424 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1425
61b9861d 1426 return 0;
90059d65 1427}
214e1eca 1428
993bf48b
JA
1429static int str_gtod_reduce_cb(void *data, int *il)
1430{
a609f12a 1431 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA
1432 int val = *il;
1433
02af0988 1434 td->o.disable_lat = !!val;
993bf48b
JA
1435 td->o.disable_clat = !!val;
1436 td->o.disable_slat = !!val;
1437 td->o.disable_bw = !!val;
0dc1bc03 1438 td->o.clat_percentiles = !val;
993bf48b 1439 if (val)
8b6a404c 1440 td->ts_cache_mask = 63;
993bf48b
JA
1441
1442 return 0;
1443}
1444
89978a6b
BW
1445static int str_offset_cb(void *data, unsigned long long *__val)
1446{
1447 struct thread_data *td = cb_data_to_td(data);
1448 unsigned long long v = *__val;
1449
1450 if (parse_is_percent(v)) {
1451 td->o.start_offset = 0;
1452 td->o.start_offset_percent = -1ULL - v;
872e0415
JA
1453 dprint(FD_PARSE, "SET start_offset_percent %d\n",
1454 td->o.start_offset_percent);
89978a6b
BW
1455 } else
1456 td->o.start_offset = v;
1457
1458 return 0;
1459}
1460
7bb59102
JA
1461static int str_size_cb(void *data, unsigned long long *__val)
1462{
a609f12a 1463 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA
1464 unsigned long long v = *__val;
1465
1466 if (parse_is_percent(v)) {
1467 td->o.size = 0;
1468 td->o.size_percent = -1ULL - v;
24e4321c
TK
1469 dprint(FD_PARSE, "SET size_percent %d\n",
1470 td->o.size_percent);
7bb59102
JA
1471 } else
1472 td->o.size = v;
1473
1474 return 0;
1475}
1476
dded427c
OS
1477static int str_write_bw_log_cb(void *data, const char *str)
1478{
1479 struct thread_data *td = cb_data_to_td(data);
1480
1481 if (str)
1482 td->o.bw_log_file = strdup(str);
1483
1484 td->o.write_bw_log = 1;
1485 return 0;
1486}
1487
1488static int str_write_lat_log_cb(void *data, const char *str)
1489{
1490 struct thread_data *td = cb_data_to_td(data);
1491
1492 if (str)
1493 td->o.lat_log_file = strdup(str);
1494
1495 td->o.write_lat_log = 1;
1496 return 0;
1497}
1498
1499static int str_write_iops_log_cb(void *data, const char *str)
1500{
1501 struct thread_data *td = cb_data_to_td(data);
1502
1503 if (str)
1504 td->o.iops_log_file = strdup(str);
1505
1506 td->o.write_iops_log = 1;
1507 return 0;
1508}
1509
1510static int str_write_hist_log_cb(void *data, const char *str)
1511{
1512 struct thread_data *td = cb_data_to_td(data);
1513
1514 if (str)
1515 td->o.hist_log_file = strdup(str);
1516
1517 td->o.write_hist_log = 1;
1518 return 0;
1519}
1520
6730b40f
TK
1521/*
1522 * str is supposed to be a substring of the strdup'd original string,
1523 * and is valid only if it's a regular file path.
1524 * This function keeps the pointer to the path as needed later.
1525 *
1526 * "external:/path/to/so\0" <- original pointer updated with strdup'd
1527 * "external\0" <- above pointer after parsed, i.e. ->ioengine
1528 * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
1529 */
1530static int str_ioengine_external_cb(void *data, const char *str)
1531{
1532 struct thread_data *td = cb_data_to_td(data);
1533 struct stat sb;
1534 char *p;
1535
1536 if (!str) {
1537 log_err("fio: null external ioengine path\n");
1538 return 1;
1539 }
1540
1541 p = (char *)str; /* str is mutable */
1542 strip_blank_front(&p);
1543 strip_blank_end(p);
1544
1545 if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
1546 log_err("fio: invalid external ioengine path \"%s\"\n", p);
1547 return 1;
1548 }
1549
1550 td->o.ioengine_so_path = p;
1551 return 0;
1552}
1553
9109883a 1554static int rw_verify(const struct fio_option *o, void *data)
896cac2a 1555{
a609f12a 1556 struct thread_data *td = cb_data_to_td(data);
896cac2a 1557
d81d0f99
VF
1558 if (read_only && (td_write(td) || td_trim(td))) {
1559 log_err("fio: job <%s> has write or trim bit set, but"
1560 " fio is in read-only mode\n", td->o.name);
896cac2a
JA
1561 return 1;
1562 }
1563
1564 return 0;
1565}
1566
9109883a 1567static int gtod_cpu_verify(const struct fio_option *o, void *data)
29d43ff9 1568{
276ca4f7 1569#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1570 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1571
29d43ff9
JA
1572 if (td->o.gtod_cpu) {
1573 log_err("fio: platform must support CPU affinity for"
1574 "gettimeofday() offloading\n");
1575 return 1;
1576 }
1577#endif
1578
1579 return 0;
1580}
1581
214e1eca
JA
1582/*
1583 * Map of job/command line options
1584 */
9af4a244 1585struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA
1586 {
1587 .name = "description",
e8b0e958 1588 .lname = "Description of job",
214e1eca 1589 .type = FIO_OPT_STR_STORE,
a609f12a 1590 .off1 = offsetof(struct thread_options, description),
214e1eca 1591 .help = "Text job description",
e8b0e958 1592 .category = FIO_OPT_C_GENERAL,
0626037e 1593 .group = FIO_OPT_G_DESC,
214e1eca
JA
1594 },
1595 {
1596 .name = "name",
e8b0e958 1597 .lname = "Job name",
214e1eca 1598 .type = FIO_OPT_STR_STORE,
a609f12a 1599 .off1 = offsetof(struct thread_options, name),
214e1eca 1600 .help = "Name of this job",
e8b0e958 1601 .category = FIO_OPT_C_GENERAL,
0626037e 1602 .group = FIO_OPT_G_DESC,
214e1eca 1603 },
9cc8cb91
AK
1604 {
1605 .name = "wait_for",
1606 .lname = "Waitee name",
1607 .type = FIO_OPT_STR_STORE,
a609f12a 1608 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK
1609 .help = "Name of the job this one wants to wait for before starting",
1610 .category = FIO_OPT_C_GENERAL,
1611 .group = FIO_OPT_G_DESC,
1612 },
214e1eca
JA
1613 {
1614 .name = "filename",
e8b0e958 1615 .lname = "Filename(s)",
214e1eca 1616 .type = FIO_OPT_STR_STORE,
a609f12a 1617 .off1 = offsetof(struct thread_options, filename),
214e1eca 1618 .cb = str_filename_cb,
f0d524b0 1619 .prio = -1, /* must come after "directory" */
214e1eca 1620 .help = "File(s) to use for the workload",
e8b0e958 1621 .category = FIO_OPT_C_FILE,
0626037e 1622 .group = FIO_OPT_G_FILENAME,
214e1eca 1623 },
90fef2d1 1624 {
e8b0e958
JA
1625 .name = "directory",
1626 .lname = "Directory",
1627 .type = FIO_OPT_STR_STORE,
a609f12a 1628 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA
1629 .cb = str_directory_cb,
1630 .help = "Directory to store files in",
1631 .category = FIO_OPT_C_FILE,
0626037e 1632 .group = FIO_OPT_G_FILENAME,
90fef2d1 1633 },
de98bd30
JA
1634 {
1635 .name = "filename_format",
922a5be8 1636 .lname = "Filename Format",
de98bd30 1637 .type = FIO_OPT_STR_STORE,
a609f12a 1638 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA
1639 .prio = -1, /* must come after "directory" */
1640 .help = "Override default $jobname.$jobnum.$filenum naming",
1641 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA
1642 .category = FIO_OPT_C_FILE,
1643 .group = FIO_OPT_G_FILENAME,
ad705bcb 1644 },
922a5be8
JA
1645 {
1646 .name = "unique_filename",
1647 .lname = "Unique Filename",
1648 .type = FIO_OPT_BOOL,
a609f12a 1649 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA
1650 .help = "For network clients, prefix file with source IP",
1651 .def = "1",
1652 .category = FIO_OPT_C_FILE,
1653 .group = FIO_OPT_G_FILENAME,
1654 },
29c1349f
JA
1655 {
1656 .name = "lockfile",
e8b0e958 1657 .lname = "Lockfile",
4d4e80f2 1658 .type = FIO_OPT_STR,
a609f12a 1659 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1660 .help = "Lock file when doing IO to it",
bc6a0a5d 1661 .prio = 1,
29c1349f 1662 .parent = "filename",
d71c154c 1663 .hide = 0,
4d4e80f2 1664 .def = "none",
e8b0e958 1665 .category = FIO_OPT_C_FILE,
0626037e 1666 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA
1667 .posval = {
1668 { .ival = "none",
1669 .oval = FILE_LOCK_NONE,
1670 .help = "No file locking",
1671 },
1672 { .ival = "exclusive",
1673 .oval = FILE_LOCK_EXCLUSIVE,
1674 .help = "Exclusive file lock",
1675 },
1676 {
1677 .ival = "readwrite",
1678 .oval = FILE_LOCK_READWRITE,
1679 .help = "Read vs write lock",
1680 },
1681 },
29c1349f 1682 },
214e1eca
JA
1683 {
1684 .name = "opendir",
e8b0e958 1685 .lname = "Open directory",
214e1eca 1686 .type = FIO_OPT_STR_STORE,
a609f12a 1687 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA
1688 .cb = str_opendir_cb,
1689 .help = "Recursively add files from this directory and down",
e8b0e958 1690 .category = FIO_OPT_C_FILE,
0626037e 1691 .group = FIO_OPT_G_FILENAME,
214e1eca
JA
1692 },
1693 {
1694 .name = "rw",
e8b0e958 1695 .lname = "Read/write",
d3aad8f2 1696 .alias = "readwrite",
214e1eca 1697 .type = FIO_OPT_STR,
211097b2 1698 .cb = str_rw_cb,
a609f12a 1699 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA
1700 .help = "IO direction",
1701 .def = "read",
896cac2a 1702 .verify = rw_verify,
e8b0e958 1703 .category = FIO_OPT_C_IO,
0626037e 1704 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1705 .posval = {
1706 { .ival = "read",
1707 .oval = TD_DDIR_READ,
1708 .help = "Sequential read",
1709 },
1710 { .ival = "write",
1711 .oval = TD_DDIR_WRITE,
1712 .help = "Sequential write",
1713 },
6eaf09d6
SL
1714 { .ival = "trim",
1715 .oval = TD_DDIR_TRIM,
1716 .help = "Sequential trim",
1717 },
214e1eca
JA
1718 { .ival = "randread",
1719 .oval = TD_DDIR_RANDREAD,
1720 .help = "Random read",
1721 },
1722 { .ival = "randwrite",
1723 .oval = TD_DDIR_RANDWRITE,
1724 .help = "Random write",
1725 },
6eaf09d6
SL
1726 { .ival = "randtrim",
1727 .oval = TD_DDIR_RANDTRIM,
1728 .help = "Random trim",
1729 },
214e1eca
JA
1730 { .ival = "rw",
1731 .oval = TD_DDIR_RW,
1732 .help = "Sequential read and write mix",
1733 },
10b023db
JA
1734 { .ival = "readwrite",
1735 .oval = TD_DDIR_RW,
1736 .help = "Sequential read and write mix",
1737 },
214e1eca
JA
1738 { .ival = "randrw",
1739 .oval = TD_DDIR_RANDRW,
1740 .help = "Random read and write mix"
1741 },
82a90686
JA
1742 { .ival = "trimwrite",
1743 .oval = TD_DDIR_TRIMWRITE,
1744 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1745 },
214e1eca
JA
1746 },
1747 },
38dad62d
JA
1748 {
1749 .name = "rw_sequencer",
e8b0e958 1750 .lname = "RW Sequencer",
38dad62d 1751 .type = FIO_OPT_STR,
a609f12a 1752 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA
1753 .help = "IO offset generator modifier",
1754 .def = "sequential",
e8b0e958 1755 .category = FIO_OPT_C_IO,
0626037e 1756 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA
1757 .posval = {
1758 { .ival = "sequential",
1759 .oval = RW_SEQ_SEQ,
1760 .help = "Generate sequential offsets",
1761 },
1762 { .ival = "identical",
1763 .oval = RW_SEQ_IDENT,
1764 .help = "Generate identical offsets",
1765 },
1766 },
1767 },
1768
214e1eca
JA
1769 {
1770 .name = "ioengine",
e8b0e958 1771 .lname = "IO Engine",
214e1eca 1772 .type = FIO_OPT_STR_STORE,
a609f12a 1773 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1774 .help = "IO engine to use",
58483fa4 1775 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1776 .category = FIO_OPT_C_IO,
0626037e 1777 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1778 .posval = {
1779 { .ival = "sync",
1780 .help = "Use read/write",
1781 },
a31041ea 1782 { .ival = "psync",
1783 .help = "Use pread/pwrite",
1784 },
1d2af02a 1785 { .ival = "vsync",
03e20d68 1786 .help = "Use readv/writev",
1d2af02a 1787 },
07fc0acd
JA
1788#ifdef CONFIG_PWRITEV
1789 { .ival = "pvsync",
1790 .help = "Use preadv/pwritev",
1791 },
1792#endif
6562685f 1793#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA
1794 { .ival = "pvsync2",
1795 .help = "Use preadv2/pwritev2",
1796 },
1797#endif
67bf9823 1798#ifdef CONFIG_LIBAIO
214e1eca
JA
1799 { .ival = "libaio",
1800 .help = "Linux native asynchronous IO",
1801 },
1802#endif
67bf9823 1803#ifdef CONFIG_POSIXAIO
214e1eca
JA
1804 { .ival = "posixaio",
1805 .help = "POSIX asynchronous IO",
1806 },
417f0068 1807#endif
997843cb 1808#ifdef CONFIG_SOLARISAIO
417f0068
JA
1809 { .ival = "solarisaio",
1810 .help = "Solaris native asynchronous IO",
1811 },
214e1eca 1812#endif
4700b234 1813#ifdef CONFIG_WINDOWSAIO
03e20d68 1814 { .ival = "windowsaio",
3be80071 1815 .help = "Windows native asynchronous IO"
de890a1e 1816 },
fc5c0345
DG
1817#endif
1818#ifdef CONFIG_RBD
1819 { .ival = "rbd",
1820 .help = "Rados Block Device asynchronous IO"
1821 },
3be80071 1822#endif
214e1eca 1823 { .ival = "mmap",
03e20d68 1824 .help = "Memory mapped IO"
214e1eca 1825 },
67bf9823 1826#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA
1827 { .ival = "splice",
1828 .help = "splice/vmsplice based IO",
1829 },
9cce02e8
JA
1830 { .ival = "netsplice",
1831 .help = "splice/vmsplice to/from the network",
1832 },
214e1eca
JA
1833#endif
1834#ifdef FIO_HAVE_SGIO
1835 { .ival = "sg",
1836 .help = "SCSI generic v3 IO",
1837 },
1838#endif
1839 { .ival = "null",
1840 .help = "Testing engine (no data transfer)",
1841 },
1842 { .ival = "net",
1843 .help = "Network IO",
1844 },
214e1eca 1845 { .ival = "cpuio",
03e20d68 1846 .help = "CPU cycle burner engine",
214e1eca 1847 },
67bf9823 1848#ifdef CONFIG_GUASI
b8c82a46
JA
1849 { .ival = "guasi",
1850 .help = "GUASI IO engine",
1851 },
79a43187 1852#endif
67bf9823 1853#ifdef CONFIG_RDMA
21b8aee8 1854 { .ival = "rdma",
1855 .help = "RDMA IO engine",
1856 },
8200b8c7 1857#endif
67bf9823 1858#ifdef CONFIG_FUSION_AW
8200b8c7
JA
1859 { .ival = "fusion-aw-sync",
1860 .help = "Fusion-io atomic write engine",
1861 },
1ecc95ca 1862#endif
997843cb 1863#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA
1864 { .ival = "e4defrag",
1865 .help = "ext4 defrag engine",
1866 },
1867#endif
997843cb 1868#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA
1869 { .ival = "falloc",
1870 .help = "fallocate() file based engine",
1871 },
b8c82a46 1872#endif
a7c386f4 1873#ifdef CONFIG_GFAPI
1874 { .ival = "gfapi",
cc47f094 1875 .help = "Glusterfs libgfapi(sync) based engine"
1876 },
1877 { .ival = "gfapi_async",
1878 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1879 },
1880#endif
1b10477b 1881#ifdef CONFIG_LIBHDFS
b74e419e 1882 { .ival = "libhdfs",
1b10477b
MM
1883 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1884 },
5c4ef02e
JA
1885#endif
1886#ifdef CONFIG_PMEMBLK
1887 { .ival = "pmemblk",
363a5f65 1888 .help = "PMDK libpmemblk based IO engine",
5c4ef02e
JA
1889 },
1890
104ee4de
DJ
1891#endif
1892#ifdef CONFIG_LINUX_DEVDAX
1893 { .ival = "dev-dax",
1894 .help = "DAX Device based IO engine",
1895 },
1b10477b 1896#endif
edc5fa12
JA
1897 {
1898 .ival = "filecreate",
1899 .help = "File creation engine",
1900 },
214e1eca
JA
1901 { .ival = "external",
1902 .help = "Load external engine (append name)",
6730b40f 1903 .cb = str_ioengine_external_cb,
214e1eca 1904 },
ae0db592
TI
1905#ifdef CONFIG_LIBPMEM
1906 { .ival = "libpmem",
363a5f65 1907 .help = "PMDK libpmem based IO engine",
ae0db592
TI
1908 },
1909#endif
214e1eca
JA
1910 },
1911 },
1912 {
1913 .name = "iodepth",
e8b0e958 1914 .lname = "IO Depth",
214e1eca 1915 .type = FIO_OPT_INT,
a609f12a 1916 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1917 .help = "Number of IO buffers to keep in flight",
757aff4f 1918 .minval = 1,
20eb06bd 1919 .interval = 1,
214e1eca 1920 .def = "1",
e8b0e958 1921 .category = FIO_OPT_C_IO,
0626037e 1922 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1923 },
1924 {
1925 .name = "iodepth_batch",
e8b0e958 1926 .lname = "IO Depth batch",
4950421a 1927 .alias = "iodepth_batch_submit",
214e1eca 1928 .type = FIO_OPT_INT,
a609f12a 1929 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 1930 .help = "Number of IO buffers to submit in one go",
afdf9352 1931 .parent = "iodepth",
d71c154c 1932 .hide = 1,
20eb06bd 1933 .interval = 1,
a2e6f8ac 1934 .def = "1",
e8b0e958 1935 .category = FIO_OPT_C_IO,
0626037e 1936 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA
1937 },
1938 {
82407585
RP
1939 .name = "iodepth_batch_complete_min",
1940 .lname = "Min IO depth batch complete",
1941 .alias = "iodepth_batch_complete",
4950421a 1942 .type = FIO_OPT_INT,
a609f12a 1943 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 1944 .help = "Min number of IO buffers to retrieve in one go",
4950421a 1945 .parent = "iodepth",
d71c154c 1946 .hide = 1,
4950421a 1947 .minval = 0,
20eb06bd 1948 .interval = 1,
4950421a 1949 .def = "1",
e8b0e958 1950 .category = FIO_OPT_C_IO,
0626037e 1951 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1952 },
82407585
RP
1953 {
1954 .name = "iodepth_batch_complete_max",
1955 .lname = "Max IO depth batch complete",
1956 .type = FIO_OPT_INT,
a609f12a 1957 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP
1958 .help = "Max number of IO buffers to retrieve in one go",
1959 .parent = "iodepth",
1960 .hide = 1,
1961 .minval = 0,
1962 .interval = 1,
1963 .category = FIO_OPT_C_IO,
1964 .group = FIO_OPT_G_IO_BASIC,
1965 },
214e1eca
JA
1966 {
1967 .name = "iodepth_low",
e8b0e958 1968 .lname = "IO Depth batch low",
214e1eca 1969 .type = FIO_OPT_INT,
a609f12a 1970 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 1971 .help = "Low water mark for queuing depth",
afdf9352 1972 .parent = "iodepth",
d71c154c 1973 .hide = 1,
20eb06bd 1974 .interval = 1,
e8b0e958 1975 .category = FIO_OPT_C_IO,
0626037e 1976 .group = FIO_OPT_G_IO_BASIC,
214e1eca 1977 },
997b5680
SW
1978 {
1979 .name = "serialize_overlap",
1980 .lname = "Serialize overlap",
1981 .off1 = offsetof(struct thread_options, serialize_overlap),
1982 .type = FIO_OPT_BOOL,
1983 .help = "Wait for in-flight IOs that collide to complete",
1984 .parent = "iodepth",
1985 .def = "0",
1986 .category = FIO_OPT_C_IO,
1987 .group = FIO_OPT_G_IO_BASIC,
1988 },
a9da8ab2
JA
1989 {
1990 .name = "io_submit_mode",
1991 .lname = "IO submit mode",
1992 .type = FIO_OPT_STR,
a609f12a 1993 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA
1994 .help = "How IO submissions and completions are done",
1995 .def = "inline",
1996 .category = FIO_OPT_C_IO,
1997 .group = FIO_OPT_G_IO_BASIC,
1998 .posval = {
1999 { .ival = "inline",
2000 .oval = IO_MODE_INLINE,
2001 .help = "Submit and complete IO inline",
2002 },
2003 { .ival = "offload",
2004 .oval = IO_MODE_OFFLOAD,
2005 .help = "Offload submit and complete to threads",
2006 },
2007 },
2008 },
214e1eca
JA
2009 {
2010 .name = "size",
e8b0e958 2011 .lname = "Size",
214e1eca 2012 .type = FIO_OPT_STR_VAL,
7bb59102 2013 .cb = str_size_cb,
a609f12a 2014 .off1 = offsetof(struct thread_options, size),
214e1eca 2015 .help = "Total size of device or files",
20eb06bd 2016 .interval = 1024 * 1024,
e8b0e958
JA
2017 .category = FIO_OPT_C_IO,
2018 .group = FIO_OPT_G_INVALID,
214e1eca 2019 },
77731b29 2020 {
a4d3b4db
JA
2021 .name = "io_size",
2022 .alias = "io_limit",
2023 .lname = "IO Size",
77731b29 2024 .type = FIO_OPT_STR_VAL,
5be9bf09 2025 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 2026 .help = "Total size of I/O to be performed",
77731b29
JA
2027 .interval = 1024 * 1024,
2028 .category = FIO_OPT_C_IO,
2029 .group = FIO_OPT_G_INVALID,
2030 },
aa31f1f1
SL
2031 {
2032 .name = "fill_device",
e8b0e958 2033 .lname = "Fill device",
74586c1e 2034 .alias = "fill_fs",
aa31f1f1 2035 .type = FIO_OPT_BOOL,
a609f12a 2036 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL
2037 .help = "Write until an ENOSPC error occurs",
2038 .def = "0",
e8b0e958
JA
2039 .category = FIO_OPT_C_FILE,
2040 .group = FIO_OPT_G_INVALID,
aa31f1f1 2041 },
214e1eca
JA
2042 {
2043 .name = "filesize",
e8b0e958 2044 .lname = "File size",
214e1eca 2045 .type = FIO_OPT_STR_VAL,
a609f12a
JA
2046 .off1 = offsetof(struct thread_options, file_size_low),
2047 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 2048 .minval = 1,
214e1eca 2049 .help = "Size of individual files",
20eb06bd 2050 .interval = 1024 * 1024,
e8b0e958
JA
2051 .category = FIO_OPT_C_FILE,
2052 .group = FIO_OPT_G_INVALID,
214e1eca 2053 },
bedc9dc2
JA
2054 {
2055 .name = "file_append",
2056 .lname = "File append",
2057 .type = FIO_OPT_BOOL,
a609f12a 2058 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA
2059 .help = "IO will start at the end of the file(s)",
2060 .def = "0",
2061 .category = FIO_OPT_C_FILE,
2062 .group = FIO_OPT_G_INVALID,
2063 },
67a1000f
JA
2064 {
2065 .name = "offset",
e8b0e958 2066 .lname = "IO offset",
67a1000f
JA
2067 .alias = "fileoffset",
2068 .type = FIO_OPT_STR_VAL,
89978a6b 2069 .cb = str_offset_cb,
a609f12a 2070 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA
2071 .help = "Start IO from this offset",
2072 .def = "0",
20eb06bd 2073 .interval = 1024 * 1024,
e8b0e958
JA
2074 .category = FIO_OPT_C_IO,
2075 .group = FIO_OPT_G_INVALID,
67a1000f 2076 },
83c8b093
JF
2077 {
2078 .name = "offset_align",
2079 .lname = "IO offset alignment",
2080 .type = FIO_OPT_INT,
2081 .off1 = offsetof(struct thread_options, start_offset_align),
2082 .help = "Start IO from this offset alignment",
2083 .def = "0",
2084 .interval = 512,
2085 .category = FIO_OPT_C_IO,
2086 .group = FIO_OPT_G_INVALID,
2087 },
2d7cd868
JA
2088 {
2089 .name = "offset_increment",
e8b0e958 2090 .lname = "IO offset increment",
2d7cd868 2091 .type = FIO_OPT_STR_VAL,
a609f12a 2092 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA
2093 .help = "What is the increment from one offset to the next",
2094 .parent = "offset",
d71c154c 2095 .hide = 1,
2d7cd868 2096 .def = "0",
20eb06bd 2097 .interval = 1024 * 1024,
e8b0e958
JA
2098 .category = FIO_OPT_C_IO,
2099 .group = FIO_OPT_G_INVALID,
2d7cd868 2100 },
ddf24e42
JA
2101 {
2102 .name = "number_ios",
2103 .lname = "Number of IOs to perform",
2104 .type = FIO_OPT_STR_VAL,
a609f12a 2105 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2106 .help = "Force job completion after this number of IOs",
ddf24e42
JA
2107 .def = "0",
2108 .category = FIO_OPT_C_IO,
2109 .group = FIO_OPT_G_INVALID,
2110 },
214e1eca
JA
2111 {
2112 .name = "bs",
e8b0e958 2113 .lname = "Block size",
d3aad8f2 2114 .alias = "blocksize",
e01b22b8 2115 .type = FIO_OPT_INT,
a609f12a
JA
2116 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2117 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2118 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2119 .minval = 1,
214e1eca 2120 .help = "Block size unit",
2b9136a3 2121 .def = "4096",
67a1000f 2122 .parent = "rw",
d71c154c 2123 .hide = 1,
20eb06bd 2124 .interval = 512,
e8b0e958
JA
2125 .category = FIO_OPT_C_IO,
2126 .group = FIO_OPT_G_INVALID,
214e1eca 2127 },
2b7a01d0
JA
2128 {
2129 .name = "ba",
e8b0e958 2130 .lname = "Block size align",
2b7a01d0 2131 .alias = "blockalign",
e01b22b8 2132 .type = FIO_OPT_INT,
a609f12a
JA
2133 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2134 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2135 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA
2136 .minval = 1,
2137 .help = "IO block offset alignment",
2138 .parent = "rw",
d71c154c 2139 .hide = 1,
20eb06bd 2140 .interval = 512,
e8b0e958
JA
2141 .category = FIO_OPT_C_IO,
2142 .group = FIO_OPT_G_INVALID,
2b7a01d0 2143 },
214e1eca
JA
2144 {
2145 .name = "bsrange",
e8b0e958 2146 .lname = "Block size range",
d3aad8f2 2147 .alias = "blocksize_range",
214e1eca 2148 .type = FIO_OPT_RANGE,
a609f12a
JA
2149 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2150 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2151 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2152 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2153 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2154 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2155 .minval = 1,
214e1eca 2156 .help = "Set block size range (in more detail than bs)",
67a1000f 2157 .parent = "rw",
d71c154c 2158 .hide = 1,
20eb06bd 2159 .interval = 4096,
e8b0e958
JA
2160 .category = FIO_OPT_C_IO,
2161 .group = FIO_OPT_G_INVALID,
214e1eca 2162 },
564ca972
JA
2163 {
2164 .name = "bssplit",
e8b0e958 2165 .lname = "Block size split",
564ca972
JA
2166 .type = FIO_OPT_STR,
2167 .cb = str_bssplit_cb,
a609f12a 2168 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA
2169 .help = "Set a specific mix of block sizes",
2170 .parent = "rw",
d71c154c 2171 .hide = 1,
e8b0e958
JA
2172 .category = FIO_OPT_C_IO,
2173 .group = FIO_OPT_G_INVALID,
564ca972 2174 },
214e1eca
JA
2175 {
2176 .name = "bs_unaligned",
e8b0e958 2177 .lname = "Block size unaligned",
d3aad8f2 2178 .alias = "blocksize_unaligned",
214e1eca 2179 .type = FIO_OPT_STR_SET,
a609f12a 2180 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2181 .help = "Don't sector align IO buffer sizes",
67a1000f 2182 .parent = "rw",
d71c154c 2183 .hide = 1,
e8b0e958
JA
2184 .category = FIO_OPT_C_IO,
2185 .group = FIO_OPT_G_INVALID,
214e1eca 2186 },
6aca9b3d
JA
2187 {
2188 .name = "bs_is_seq_rand",
2189 .lname = "Block size division is seq/random (not read/write)",
2190 .type = FIO_OPT_BOOL,
a609f12a 2191 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2192 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA
2193 .def = "0",
2194 .parent = "blocksize",
2195 .category = FIO_OPT_C_IO,
2196 .group = FIO_OPT_G_INVALID,
2197 },
214e1eca
JA
2198 {
2199 .name = "randrepeat",
e8b0e958 2200 .lname = "Random repeatable",
214e1eca 2201 .type = FIO_OPT_BOOL,
a609f12a 2202 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA
2203 .help = "Use repeatable random IO pattern",
2204 .def = "1",
67a1000f 2205 .parent = "rw",
d71c154c 2206 .hide = 1,
e8b0e958 2207 .category = FIO_OPT_C_IO,
3ceb458f 2208 .group = FIO_OPT_G_RANDOM,
214e1eca 2209 },
04778baf
JA
2210 {
2211 .name = "randseed",
2212 .lname = "The random generator seed",
363cffa7 2213 .type = FIO_OPT_STR_VAL,
a609f12a 2214 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2215 .help = "Set the random generator seed value",
40fe5e7b 2216 .def = "0x89",
04778baf
JA
2217 .parent = "rw",
2218 .category = FIO_OPT_C_IO,
2219 .group = FIO_OPT_G_RANDOM,
2220 },
2615cc4b
JA
2221 {
2222 .name = "use_os_rand",
e8b0e958 2223 .lname = "Use OS random",
54a21917 2224 .type = FIO_OPT_DEPRECATED,
a609f12a 2225 .off1 = offsetof(struct thread_options, dep_use_os_rand),
e8b0e958 2226 .category = FIO_OPT_C_IO,
3ceb458f 2227 .group = FIO_OPT_G_RANDOM,
2615cc4b 2228 },
214e1eca
JA
2229 {
2230 .name = "norandommap",
e8b0e958 2231 .lname = "No randommap",
214e1eca 2232 .type = FIO_OPT_STR_SET,
a609f12a 2233 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2234 .help = "Accept potential duplicate random blocks",
67a1000f 2235 .parent = "rw",
d71c154c 2236 .hide = 1,
b2452a43 2237 .hide_on_set = 1,
e8b0e958 2238 .category = FIO_OPT_C_IO,
3ceb458f 2239 .group = FIO_OPT_G_RANDOM,
214e1eca 2240 },
2b386d25
JA
2241 {
2242 .name = "softrandommap",
e8b0e958 2243 .lname = "Soft randommap",
2b386d25 2244 .type = FIO_OPT_BOOL,
a609f12a 2245 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2246 .help = "Set norandommap if randommap allocation fails",
2b386d25 2247 .parent = "norandommap",
d71c154c 2248 .hide = 1,
2b386d25 2249 .def = "0",
e8b0e958 2250 .category = FIO_OPT_C_IO,
3ceb458f 2251 .group = FIO_OPT_G_RANDOM,
2b386d25 2252 },
8055e41d
JA
2253 {
2254 .name = "random_generator",
cce2fdfe 2255 .lname = "Random Generator",
8055e41d 2256 .type = FIO_OPT_STR,
a609f12a 2257 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA
2258 .help = "Type of random number generator to use",
2259 .def = "tausworthe",
2260 .posval = {
2261 { .ival = "tausworthe",
2262 .oval = FIO_RAND_GEN_TAUSWORTHE,
2263 .help = "Strong Tausworthe generator",
2264 },
2265 { .ival = "lfsr",
2266 .oval = FIO_RAND_GEN_LFSR,
2267 .help = "Variable length LFSR",
2268 },
c3546b53
JA
2269 {
2270 .ival = "tausworthe64",
2271 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2272 .help = "64-bit Tausworthe variant",
2273 },
8055e41d 2274 },
48107598
JA
2275 .category = FIO_OPT_C_IO,
2276 .group = FIO_OPT_G_RANDOM,
8055e41d 2277 },
e25839d4
JA
2278 {
2279 .name = "random_distribution",
cce2fdfe 2280 .lname = "Random Distribution",
e25839d4 2281 .type = FIO_OPT_STR,
a609f12a 2282 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA
2283 .cb = str_random_distribution_cb,
2284 .help = "Random offset distribution generator",
2285 .def = "random",
2286 .posval = {
2287 { .ival = "random",
2288 .oval = FIO_RAND_DIST_RANDOM,
2289 .help = "Completely random",
2290 },
2291 { .ival = "zipf",
2292 .oval = FIO_RAND_DIST_ZIPF,
2293 .help = "Zipf distribution",
2294 },
925fee33
JA
2295 { .ival = "pareto",
2296 .oval = FIO_RAND_DIST_PARETO,
2297 .help = "Pareto distribution",
2298 },
56d9fa4b
JA
2299 { .ival = "normal",
2300 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2301 .help = "Normal (Gaussian) distribution",
56d9fa4b 2302 },
e0a04ac1
JA
2303 { .ival = "zoned",
2304 .oval = FIO_RAND_DIST_ZONED,
2305 .help = "Zoned random distribution",
2306 },
59466396
JA
2307 { .ival = "zoned_abs",
2308 .oval = FIO_RAND_DIST_ZONED_ABS,
2309 .help = "Zoned absolute random distribution",
2310 },
e25839d4 2311 },
48107598
JA
2312 .category = FIO_OPT_C_IO,
2313 .group = FIO_OPT_G_RANDOM,
e25839d4 2314 },
211c9b89
JA
2315 {
2316 .name = "percentage_random",
2317 .lname = "Percentage Random",
2318 .type = FIO_OPT_INT,
a609f12a
JA
2319 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2320 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2321 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA
2322 .maxval = 100,
2323 .help = "Percentage of seq/random mix that should be random",
d9472271 2324 .def = "100,100,100",
211c9b89
JA
2325 .interval = 5,
2326 .inverse = "percentage_sequential",
2327 .category = FIO_OPT_C_IO,
2328 .group = FIO_OPT_G_RANDOM,
2329 },
2330 {
2331 .name = "percentage_sequential",
2332 .lname = "Percentage Sequential",
d9472271 2333 .type = FIO_OPT_DEPRECATED,
211c9b89
JA
2334 .category = FIO_OPT_C_IO,
2335 .group = FIO_OPT_G_RANDOM,
2336 },
56e2a5fc
CE
2337 {
2338 .name = "allrandrepeat",
cce2fdfe 2339 .lname = "All Random Repeat",
56e2a5fc 2340 .type = FIO_OPT_BOOL,
a609f12a 2341 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE
2342 .help = "Use repeatable random numbers for everything",
2343 .def = "0",
a869d9c6
JA
2344 .category = FIO_OPT_C_IO,
2345 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2346 },
214e1eca
JA
2347 {
2348 .name = "nrfiles",
e8b0e958 2349 .lname = "Number of files",
d7c8be03 2350 .alias = "nr_files",
214e1eca 2351 .type = FIO_OPT_INT,
a609f12a 2352 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA
2353 .help = "Split job workload between this number of files",
2354 .def = "1",
20eb06bd 2355 .interval = 1,
e8b0e958
JA
2356 .category = FIO_OPT_C_FILE,
2357 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2358 },
2359 {
2360 .name = "openfiles",
e8b0e958 2361 .lname = "Number of open files",
214e1eca 2362 .type = FIO_OPT_INT,
a609f12a 2363 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2364 .help = "Number of files to keep open at the same time",
e8b0e958
JA
2365 .category = FIO_OPT_C_FILE,
2366 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2367 },
2368 {
2369 .name = "file_service_type",
e8b0e958 2370 .lname = "File service type",
214e1eca
JA
2371 .type = FIO_OPT_STR,
2372 .cb = str_fst_cb,
a609f12a 2373 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA
2374 .help = "How to select which file to service next",
2375 .def = "roundrobin",
e8b0e958
JA
2376 .category = FIO_OPT_C_FILE,
2377 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2378 .posval = {
2379 { .ival = "random",
2380 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA
2381 .help = "Choose a file at random (uniform)",
2382 },
2383 { .ival = "zipf",
2384 .oval = FIO_FSERVICE_ZIPF,
2385 .help = "Zipf randomized",
2386 },
2387 { .ival = "pareto",
2388 .oval = FIO_FSERVICE_PARETO,
2389 .help = "Pareto randomized",
2390 },
dd3503d3
SW
2391 { .ival = "normal",
2392 .oval = FIO_FSERVICE_GAUSS,
2393 .help = "Normal (Gaussian) randomized",
2394 },
8c07860d
JA
2395 { .ival = "gauss",
2396 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2397 .help = "Alias for normal",
214e1eca
JA
2398 },
2399 { .ival = "roundrobin",
2400 .oval = FIO_FSERVICE_RR,
2401 .help = "Round robin select files",
2402 },
a086c257
JA
2403 { .ival = "sequential",
2404 .oval = FIO_FSERVICE_SEQ,
2405 .help = "Finish one file before moving to the next",
2406 },
214e1eca 2407 },
67a1000f 2408 .parent = "nrfiles",
d71c154c 2409 .hide = 1,
67a1000f 2410 },
cbbdf1c8 2411#ifdef FIO_HAVE_ANY_FALLOCATE
7bc8c2cf
JA
2412 {
2413 .name = "fallocate",
e8b0e958 2414 .lname = "Fallocate",
a596f047 2415 .type = FIO_OPT_STR,
a609f12a 2416 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2417 .help = "Whether pre-allocation is performed when laying out files",
2c3e17be 2418 .def = "native",
e8b0e958
JA
2419 .category = FIO_OPT_C_FILE,
2420 .group = FIO_OPT_G_INVALID,
a596f047
EG
2421 .posval = {
2422 { .ival = "none",
2423 .oval = FIO_FALLOCATE_NONE,
2424 .help = "Do not pre-allocate space",
2425 },
2c3e17be
SW
2426 { .ival = "native",
2427 .oval = FIO_FALLOCATE_NATIVE,
2428 .help = "Use native pre-allocation if possible",
2429 },
2430#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG
2431 { .ival = "posix",
2432 .oval = FIO_FALLOCATE_POSIX,
2433 .help = "Use posix_fallocate()",
2434 },
2c3e17be 2435#endif
97ac992c 2436#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG
2437 { .ival = "keep",
2438 .oval = FIO_FALLOCATE_KEEP_SIZE,
2439 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2440 },
7bc8c2cf 2441#endif
a596f047
EG
2442 /* Compatibility with former boolean values */
2443 { .ival = "0",
2444 .oval = FIO_FALLOCATE_NONE,
2445 .help = "Alias for 'none'",
2446 },
2c3e17be 2447#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG
2448 { .ival = "1",
2449 .oval = FIO_FALLOCATE_POSIX,
2450 .help = "Alias for 'posix'",
2451 },
2c3e17be 2452#endif
a596f047
EG
2453 },
2454 },
cbbdf1c8 2455#else /* FIO_HAVE_ANY_FALLOCATE */
a275c37a
JA
2456 {
2457 .name = "fallocate",
2458 .lname = "Fallocate",
2459 .type = FIO_OPT_UNSUPPORTED,
2460 .help = "Your platform does not support fallocate",
2461 },
cbbdf1c8 2462#endif /* FIO_HAVE_ANY_FALLOCATE */
67a1000f
JA
2463 {
2464 .name = "fadvise_hint",
e8b0e958 2465 .lname = "Fadvise hint",
ecb2083d 2466 .type = FIO_OPT_STR,
a609f12a 2467 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA
2468 .posval = {
2469 { .ival = "0",
2470 .oval = F_ADV_NONE,
c712c97a 2471 .help = "Don't issue fadvise/madvise",
ecb2083d
JA
2472 },
2473 { .ival = "1",
2474 .oval = F_ADV_TYPE,
2475 .help = "Advise using fio IO pattern",
2476 },
2477 { .ival = "random",
2478 .oval = F_ADV_RANDOM,
2479 .help = "Advise using FADV_RANDOM",
2480 },
2481 { .ival = "sequential",
2482 .oval = F_ADV_SEQUENTIAL,
2483 .help = "Advise using FADV_SEQUENTIAL",
2484 },
2485 },
67a1000f
JA
2486 .help = "Use fadvise() to advise the kernel on IO pattern",
2487 .def = "1",
e8b0e958
JA
2488 .category = FIO_OPT_C_FILE,
2489 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2490 },
2491 {
2492 .name = "fsync",
e8b0e958 2493 .lname = "Fsync",
214e1eca 2494 .type = FIO_OPT_INT,
a609f12a 2495 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA
2496 .help = "Issue fsync for writes every given number of blocks",
2497 .def = "0",
20eb06bd 2498 .interval = 1,
e8b0e958
JA
2499 .category = FIO_OPT_C_FILE,
2500 .group = FIO_OPT_G_INVALID,
214e1eca 2501 },
5f9099ea
JA
2502 {
2503 .name = "fdatasync",
e8b0e958 2504 .lname = "Fdatasync",
5f9099ea 2505 .type = FIO_OPT_INT,
a609f12a 2506 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA
2507 .help = "Issue fdatasync for writes every given number of blocks",
2508 .def = "0",
20eb06bd 2509 .interval = 1,
e8b0e958
JA
2510 .category = FIO_OPT_C_FILE,
2511 .group = FIO_OPT_G_INVALID,
5f9099ea 2512 },
1ef2b6be
JA
2513 {
2514 .name = "write_barrier",
e8b0e958 2515 .lname = "Write barrier",
1ef2b6be 2516 .type = FIO_OPT_INT,
a609f12a 2517 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA
2518 .help = "Make every Nth write a barrier write",
2519 .def = "0",
20eb06bd 2520 .interval = 1,
e8b0e958
JA
2521 .category = FIO_OPT_C_IO,
2522 .group = FIO_OPT_G_INVALID,
1ef2b6be 2523 },
67bf9823 2524#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
2525 {
2526 .name = "sync_file_range",
e8b0e958 2527 .lname = "Sync file range",
44f29692
JA
2528 .posval = {
2529 { .ival = "wait_before",
2530 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2531 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2532 .orval = 1,
44f29692
JA
2533 },
2534 { .ival = "write",
2535 .oval = SYNC_FILE_RANGE_WRITE,
2536 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2537 .orval = 1,
44f29692
JA
2538 },
2539 {
2540 .ival = "wait_after",
2541 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2542 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2543 .orval = 1,
44f29692
JA
2544 },
2545 },
3843deb3 2546 .type = FIO_OPT_STR_MULTI,
44f29692 2547 .cb = str_sfr_cb,
a609f12a 2548 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2549 .help = "Use sync_file_range()",
e8b0e958
JA
2550 .category = FIO_OPT_C_FILE,
2551 .group = FIO_OPT_G_INVALID,
44f29692 2552 },
a275c37a 2553#else
54d0a315 2554 {
a275c37a
JA
2555 .name = "sync_file_range",
2556 .lname = "Sync file range",
2557 .type = FIO_OPT_UNSUPPORTED,
2558 .help = "Your platform does not support sync_file_range",
2559 },
44f29692 2560#endif
214e1eca
JA
2561 {
2562 .name = "direct",
e8b0e958 2563 .lname = "Direct I/O",
214e1eca 2564 .type = FIO_OPT_BOOL,
a609f12a 2565 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA
2566 .help = "Use O_DIRECT IO (negates buffered)",
2567 .def = "0",
a01a1bc5 2568 .inverse = "buffered",
e8b0e958 2569 .category = FIO_OPT_C_IO,
3ceb458f 2570 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2571 },
d01612f3
CM
2572 {
2573 .name = "atomic",
2574 .lname = "Atomic I/O",
2575 .type = FIO_OPT_BOOL,
a609f12a 2576 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM
2577 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2578 .def = "0",
2579 .category = FIO_OPT_C_IO,
2580 .group = FIO_OPT_G_IO_TYPE,
2581 },
214e1eca
JA
2582 {
2583 .name = "buffered",
e8b0e958 2584 .lname = "Buffered I/O",
214e1eca 2585 .type = FIO_OPT_BOOL,
a609f12a 2586 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA
2587 .neg = 1,
2588 .help = "Use buffered IO (negates direct)",
2589 .def = "1",
a01a1bc5 2590 .inverse = "direct",
e8b0e958 2591 .category = FIO_OPT_C_IO,
3ceb458f 2592 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
2593 },
2594 {
2595 .name = "overwrite",
e8b0e958 2596 .lname = "Overwrite",
214e1eca 2597 .type = FIO_OPT_BOOL,
a609f12a 2598 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA
2599 .help = "When writing, set whether to overwrite current data",
2600 .def = "0",
e8b0e958
JA
2601 .category = FIO_OPT_C_FILE,
2602 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2603 },
2604 {
2605 .name = "loops",
e8b0e958 2606 .lname = "Loops",
214e1eca 2607 .type = FIO_OPT_INT,
a609f12a 2608 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA
2609 .help = "Number of times to run the job",
2610 .def = "1",
20eb06bd 2611 .interval = 1,
e8b0e958 2612 .category = FIO_OPT_C_GENERAL,
a1f6afec 2613 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2614 },
2615 {
2616 .name = "numjobs",
e8b0e958 2617 .lname = "Number of jobs",
214e1eca 2618 .type = FIO_OPT_INT,
a609f12a 2619 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA
2620 .help = "Duplicate this job this many times",
2621 .def = "1",
20eb06bd 2622 .interval = 1,
e8b0e958 2623 .category = FIO_OPT_C_GENERAL,
a1f6afec 2624 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2625 },
2626 {
2627 .name = "startdelay",
e8b0e958 2628 .lname = "Start delay",
a5737c93 2629 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA
2630 .off1 = offsetof(struct thread_options, start_delay),
2631 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA
2632 .help = "Only start job when this period has passed",
2633 .def = "0",
0de5b26f 2634 .is_seconds = 1,
88038bc7 2635 .is_time = 1,
e8b0e958 2636 .category = FIO_OPT_C_GENERAL,
a1f6afec 2637 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
2638 },
2639 {
2640 .name = "runtime",
e8b0e958 2641 .lname = "Runtime",
214e1eca
JA
2642 .alias = "timeout",
2643 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2644 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA
2645 .help = "Stop workload when this amount of time has passed",
2646 .def = "0",
0de5b26f 2647 .is_seconds = 1,
88038bc7 2648 .is_time = 1,
e8b0e958 2649 .category = FIO_OPT_C_GENERAL,
a1f6afec 2650 .group = FIO_OPT_G_RUNTIME,
214e1eca 2651 },
cf4464ca
JA
2652 {
2653 .name = "time_based",
e8b0e958 2654 .lname = "Time based",
cf4464ca 2655 .type = FIO_OPT_STR_SET,
a609f12a 2656 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2657 .help = "Keep running until runtime/timeout is met",
e8b0e958 2658 .category = FIO_OPT_C_GENERAL,
a1f6afec 2659 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2660 },
62167762
JC
2661 {
2662 .name = "verify_only",
2663 .lname = "Verify only",
2664 .type = FIO_OPT_STR_SET,
a609f12a 2665 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC
2666 .help = "Verifies previously written data is still valid",
2667 .category = FIO_OPT_C_GENERAL,
2668 .group = FIO_OPT_G_RUNTIME,
2669 },
721938ae
JA
2670 {
2671 .name = "ramp_time",
e8b0e958 2672 .lname = "Ramp time",
721938ae 2673 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2674 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2675 .help = "Ramp up time before measuring performance",
0de5b26f 2676 .is_seconds = 1,
88038bc7 2677 .is_time = 1,
e8b0e958 2678 .category = FIO_OPT_C_GENERAL,
a1f6afec 2679 .group = FIO_OPT_G_RUNTIME,
721938ae 2680 },
c223da83
JA
2681 {
2682 .name = "clocksource",
e8b0e958 2683 .lname = "Clock source",
c223da83
JA
2684 .type = FIO_OPT_STR,
2685 .cb = fio_clock_source_cb,
a609f12a 2686 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2687 .help = "What type of timing source to use",
e8b0e958 2688 .category = FIO_OPT_C_GENERAL,
10860056 2689 .group = FIO_OPT_G_CLOCK,
c223da83 2690 .posval = {
67bf9823 2691#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA
2692 { .ival = "gettimeofday",
2693 .oval = CS_GTOD,
2694 .help = "Use gettimeofday(2) for timing",
2695 },
67bf9823
JA
2696#endif
2697#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA
2698 { .ival = "clock_gettime",
2699 .oval = CS_CGETTIME,
2700 .help = "Use clock_gettime(2) for timing",
2701 },
67bf9823 2702#endif
c223da83
JA
2703#ifdef ARCH_HAVE_CPU_CLOCK
2704 { .ival = "cpu",
2705 .oval = CS_CPUCLOCK,
2706 .help = "Use CPU private clock",
2707 },
2708#endif
2709 },
2710 },
214e1eca
JA
2711 {
2712 .name = "mem",
d3aad8f2 2713 .alias = "iomem",
e8b0e958 2714 .lname = "I/O Memory",
214e1eca
JA
2715 .type = FIO_OPT_STR,
2716 .cb = str_mem_cb,
a609f12a 2717 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA
2718 .help = "Backing type for IO buffers",
2719 .def = "malloc",
e8b0e958
JA
2720 .category = FIO_OPT_C_IO,
2721 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2722 .posval = {
2723 { .ival = "malloc",
2724 .oval = MEM_MALLOC,
2725 .help = "Use malloc(3) for IO buffers",
2726 },
c8931876 2727#ifndef CONFIG_NO_SHM
37c8cdfe
JA
2728 { .ival = "shm",
2729 .oval = MEM_SHM,
2730 .help = "Use shared memory segments for IO buffers",
2731 },
214e1eca
JA
2732#ifdef FIO_HAVE_HUGETLB
2733 { .ival = "shmhuge",
2734 .oval = MEM_SHMHUGE,
2735 .help = "Like shm, but use huge pages",
2736 },
c8931876 2737#endif
b370e46a 2738#endif
37c8cdfe
JA
2739 { .ival = "mmap",
2740 .oval = MEM_MMAP,
2741 .help = "Use mmap(2) (file or anon) for IO buffers",
2742 },
217b0f1d
LG
2743 { .ival = "mmapshared",
2744 .oval = MEM_MMAPSHARED,
2745 .help = "Like mmap, but use the shared flag",
2746 },
214e1eca
JA
2747#ifdef FIO_HAVE_HUGETLB
2748 { .ival = "mmaphuge",
2749 .oval = MEM_MMAPHUGE,
2750 .help = "Like mmap, but use huge pages",
2751 },
03553853
YR
2752#endif
2753#ifdef CONFIG_CUDA
2754 { .ival = "cudamalloc",
2755 .oval = MEM_CUDA_MALLOC,
2756 .help = "Allocate GPU device memory for GPUDirect RDMA",
2757 },
214e1eca
JA
2758#endif
2759 },
2760 },
d529ee19
JA
2761 {
2762 .name = "iomem_align",
2763 .alias = "mem_align",
e8b0e958 2764 .lname = "I/O memory alignment",
d529ee19 2765 .type = FIO_OPT_INT,
a609f12a 2766 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA
2767 .minval = 0,
2768 .help = "IO memory buffer offset alignment",
2769 .def = "0",
2770 .parent = "iomem",
d71c154c 2771 .hide = 1,
e8b0e958
JA
2772 .category = FIO_OPT_C_IO,
2773 .group = FIO_OPT_G_INVALID,
d529ee19 2774 },
214e1eca
JA
2775 {
2776 .name = "verify",
e8b0e958 2777 .lname = "Verify",
214e1eca 2778 .type = FIO_OPT_STR,
a609f12a 2779 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA
2780 .help = "Verify data written",
2781 .def = "0",
e8b0e958 2782 .category = FIO_OPT_C_IO,
3ceb458f 2783 .group = FIO_OPT_G_VERIFY,
214e1eca
JA
2784 .posval = {
2785 { .ival = "0",
2786 .oval = VERIFY_NONE,
2787 .help = "Don't do IO verification",
2788 },
fcca4b58
JA
2789 { .ival = "md5",
2790 .oval = VERIFY_MD5,
2791 .help = "Use md5 checksums for verification",
2792 },
d77a7af3
JA
2793 { .ival = "crc64",
2794 .oval = VERIFY_CRC64,
2795 .help = "Use crc64 checksums for verification",
2796 },
214e1eca
JA
2797 { .ival = "crc32",
2798 .oval = VERIFY_CRC32,
2799 .help = "Use crc32 checksums for verification",
2800 },
af497e6a 2801 { .ival = "crc32c-intel",
e3aaafc4
JA
2802 .oval = VERIFY_CRC32C,
2803 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2804 },
bac39e0e
JA
2805 { .ival = "crc32c",
2806 .oval = VERIFY_CRC32C,
e3aaafc4 2807 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2808 },
969f7ed3
JA
2809 { .ival = "crc16",
2810 .oval = VERIFY_CRC16,
2811 .help = "Use crc16 checksums for verification",
2812 },
1e154bdb
JA
2813 { .ival = "crc7",
2814 .oval = VERIFY_CRC7,
2815 .help = "Use crc7 checksums for verification",
2816 },
7c353ceb
JA
2817 { .ival = "sha1",
2818 .oval = VERIFY_SHA1,
2819 .help = "Use sha1 checksums for verification",
2820 },
cd14cc10
JA
2821 { .ival = "sha256",
2822 .oval = VERIFY_SHA256,
2823 .help = "Use sha256 checksums for verification",
2824 },
2825 { .ival = "sha512",
2826 .oval = VERIFY_SHA512,
2827 .help = "Use sha512 checksums for verification",
ae3a5acc
JA
2828 },
2829 { .ival = "sha3-224",
2830 .oval = VERIFY_SHA3_224,
2831 .help = "Use sha3-224 checksums for verification",
2832 },
2833 { .ival = "sha3-256",
2834 .oval = VERIFY_SHA3_256,
2835 .help = "Use sha3-256 checksums for verification",
2836 },
2837 { .ival = "sha3-384",
2838 .oval = VERIFY_SHA3_384,
2839 .help = "Use sha3-384 checksums for verification",
2840 },
2841 { .ival = "sha3-512",
2842 .oval = VERIFY_SHA3_512,
2843 .help = "Use sha3-512 checksums for verification",
cd14cc10 2844 },
844ea602
JA
2845 { .ival = "xxhash",
2846 .oval = VERIFY_XXHASH,
2847 .help = "Use xxhash checksums for verification",
2848 },
b638d82f
RP
2849 /* Meta information was included into verify_header,
2850 * 'meta' verification is implied by default. */
7437ee87 2851 { .ival = "meta",
b638d82f
RP
2852 .oval = VERIFY_HDR_ONLY,
2853 .help = "Use io information for verification. "
2854 "Now is implied by default, thus option is obsolete, "
2855 "don't use it",
7437ee87 2856 },
59245381
JA
2857 { .ival = "pattern",
2858 .oval = VERIFY_PATTERN_NO_HDR,
2859 .help = "Verify strict pattern",
2860 },
36690c9b
JA
2861 {
2862 .ival = "null",
2863 .oval = VERIFY_NULL,
2864 .help = "Pretend to verify",
2865 },
214e1eca
JA
2866 },
2867 },
005c565a
JA
2868 {
2869 .name = "do_verify",
e8b0e958 2870 .lname = "Perform verify step",
68e1f29a 2871 .type = FIO_OPT_BOOL,
a609f12a 2872 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA
2873 .help = "Run verification stage after write",
2874 .def = "1",
2875 .parent = "verify",
d71c154c 2876 .hide = 1,
e8b0e958
JA
2877 .category = FIO_OPT_C_IO,
2878 .group = FIO_OPT_G_VERIFY,
005c565a 2879 },
160b966d
JA
2880 {
2881 .name = "verifysort",
e8b0e958 2882 .lname = "Verify sort",
f31feaa2 2883 .type = FIO_OPT_SOFT_DEPRECATED,
e8b0e958
JA
2884 .category = FIO_OPT_C_IO,
2885 .group = FIO_OPT_G_VERIFY,
160b966d 2886 },
1ae83d45
JA
2887 {
2888 .name = "verifysort_nr",
cce2fdfe 2889 .lname = "Verify Sort Nr",
f31feaa2 2890 .type = FIO_OPT_SOFT_DEPRECATED,
836fcc0f
JA
2891 .category = FIO_OPT_C_IO,
2892 .group = FIO_OPT_G_VERIFY,
1ae83d45 2893 },
3f9f4e26 2894 {
a59e170d 2895 .name = "verify_interval",
e8b0e958 2896 .lname = "Verify interval",
e01b22b8 2897 .type = FIO_OPT_INT,
a609f12a 2898 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2899 .minval = 2 * sizeof(struct verify_header),
a59e170d 2900 .help = "Store verify buffer header every N bytes",
afdf9352 2901 .parent = "verify",
d71c154c 2902 .hide = 1,
20eb06bd 2903 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA
2904 .category = FIO_OPT_C_IO,
2905 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2906 },
546a9142 2907 {
a59e170d 2908 .name = "verify_offset",
e8b0e958 2909 .lname = "Verify offset",
e01b22b8 2910 .type = FIO_OPT_INT,
a59e170d 2911 .help = "Offset verify header location by N bytes",
a609f12a 2912 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2913 .minval = sizeof(struct verify_header),
afdf9352 2914 .parent = "verify",
d71c154c 2915 .hide = 1,
e8b0e958
JA
2916 .category = FIO_OPT_C_IO,
2917 .group = FIO_OPT_G_VERIFY,
546a9142 2918 },
e28218f3
SL
2919 {
2920 .name = "verify_pattern",
e8b0e958 2921 .lname = "Verify pattern",
0e92f873 2922 .type = FIO_OPT_STR,
e28218f3 2923 .cb = str_verify_pattern_cb,
a609f12a 2924 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL
2925 .help = "Fill pattern for IO buffers",
2926 .parent = "verify",
d71c154c 2927 .hide = 1,
e8b0e958
JA
2928 .category = FIO_OPT_C_IO,
2929 .group = FIO_OPT_G_VERIFY,
e28218f3 2930 },
a12a3b4d
JA
2931 {
2932 .name = "verify_fatal",
e8b0e958 2933 .lname = "Verify fatal",
68e1f29a 2934 .type = FIO_OPT_BOOL,
a609f12a 2935 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA
2936 .def = "0",
2937 .help = "Exit on a single verify failure, don't continue",
2938 .parent = "verify",
d71c154c 2939 .hide = 1,
e8b0e958
JA
2940 .category = FIO_OPT_C_IO,
2941 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2942 },
b463e936
JA
2943 {
2944 .name = "verify_dump",
e8b0e958 2945 .lname = "Verify dump",
b463e936 2946 .type = FIO_OPT_BOOL,
a609f12a 2947 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 2948 .def = "0",
b463e936
JA
2949 .help = "Dump contents of good and bad blocks on failure",
2950 .parent = "verify",
d71c154c 2951 .hide = 1,
e8b0e958
JA
2952 .category = FIO_OPT_C_IO,
2953 .group = FIO_OPT_G_VERIFY,
b463e936 2954 },
e8462bd8
JA
2955 {
2956 .name = "verify_async",
e8b0e958 2957 .lname = "Verify asynchronously",
e8462bd8 2958 .type = FIO_OPT_INT,
a609f12a 2959 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA
2960 .def = "0",
2961 .help = "Number of async verifier threads to use",
2962 .parent = "verify",
d71c154c 2963 .hide = 1,
e8b0e958
JA
2964 .category = FIO_OPT_C_IO,
2965 .group = FIO_OPT_G_VERIFY,
e8462bd8 2966 },
9e144189
JA
2967 {
2968 .name = "verify_backlog",
e8b0e958 2969 .lname = "Verify backlog",
9e144189 2970 .type = FIO_OPT_STR_VAL,
a609f12a 2971 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA
2972 .help = "Verify after this number of blocks are written",
2973 .parent = "verify",
d71c154c 2974 .hide = 1,
e8b0e958
JA
2975 .category = FIO_OPT_C_IO,
2976 .group = FIO_OPT_G_VERIFY,
9e144189
JA
2977 },
2978 {
2979 .name = "verify_backlog_batch",
e8b0e958 2980 .lname = "Verify backlog batch",
9e144189 2981 .type = FIO_OPT_INT,
a609f12a 2982 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 2983 .help = "Verify this number of IO blocks",
0d29de83 2984 .parent = "verify",
d71c154c 2985 .hide = 1,
e8b0e958
JA
2986 .category = FIO_OPT_C_IO,
2987 .group = FIO_OPT_G_VERIFY,
9e144189 2988 },
e8462bd8
JA
2989#ifdef FIO_HAVE_CPU_AFFINITY
2990 {
2991 .name = "verify_async_cpus",
e8b0e958 2992 .lname = "Async verify CPUs",
e8462bd8
JA
2993 .type = FIO_OPT_STR,
2994 .cb = str_verify_cpus_allowed_cb,
a609f12a 2995 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA
2996 .help = "Set CPUs allowed for async verify threads",
2997 .parent = "verify_async",
d71c154c 2998 .hide = 1,
e8b0e958
JA
2999 .category = FIO_OPT_C_IO,
3000 .group = FIO_OPT_G_VERIFY,
e8462bd8 3001 },
a275c37a
JA
3002#else
3003 {
3004 .name = "verify_async_cpus",
3005 .lname = "Async verify CPUs",
3006 .type = FIO_OPT_UNSUPPORTED,
54d0a315 3007 .help = "Your platform does not support CPU affinities",
a275c37a 3008 },
0d29de83 3009#endif
51aa2da8
JA
3010 {
3011 .name = "experimental_verify",
cce2fdfe 3012 .lname = "Experimental Verify",
a609f12a 3013 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 3014 .type = FIO_OPT_BOOL,
b31eaac9 3015 .help = "Enable experimental verification",
ca09be4b
JA
3016 .parent = "verify",
3017 .category = FIO_OPT_C_IO,
3018 .group = FIO_OPT_G_VERIFY,
3019 },
3020 {
3021 .name = "verify_state_load",
3022 .lname = "Load verify state",
a609f12a 3023 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA
3024 .type = FIO_OPT_BOOL,
3025 .help = "Load verify termination state",
3026 .parent = "verify",
3027 .category = FIO_OPT_C_IO,
3028 .group = FIO_OPT_G_VERIFY,
3029 },
3030 {
3031 .name = "verify_state_save",
3032 .lname = "Save verify state",
a609f12a 3033 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA
3034 .type = FIO_OPT_BOOL,
3035 .def = "1",
3036 .help = "Save verify state on termination",
3037 .parent = "verify",
836fcc0f
JA
3038 .category = FIO_OPT_C_IO,
3039 .group = FIO_OPT_G_VERIFY,
51aa2da8 3040 },
0d29de83
JA
3041#ifdef FIO_HAVE_TRIM
3042 {
3043 .name = "trim_percentage",
e8b0e958 3044 .lname = "Trim percentage",
0d29de83 3045 .type = FIO_OPT_INT,
a609f12a 3046 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 3047 .minval = 0,
0d29de83 3048 .maxval = 100,
169c098d 3049 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA
3050 .parent = "verify",
3051 .def = "0",
20eb06bd 3052 .interval = 1,
d71c154c 3053 .hide = 1,
e8b0e958
JA
3054 .category = FIO_OPT_C_IO,
3055 .group = FIO_OPT_G_TRIM,
0d29de83
JA
3056 },
3057 {
3058 .name = "trim_verify_zero",
e8b0e958 3059 .lname = "Verify trim zero",
20eb06bd 3060 .type = FIO_OPT_BOOL,
169c098d 3061 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3062 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3063 .parent = "trim_percentage",
d71c154c 3064 .hide = 1,
0d29de83 3065 .def = "1",
e8b0e958
JA
3066 .category = FIO_OPT_C_IO,
3067 .group = FIO_OPT_G_TRIM,
0d29de83
JA
3068 },
3069 {
3070 .name = "trim_backlog",
e8b0e958 3071 .lname = "Trim backlog",
0d29de83 3072 .type = FIO_OPT_STR_VAL,
a609f12a 3073 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA
3074 .help = "Trim after this number of blocks are written",
3075 .parent = "trim_percentage",
d71c154c 3076 .hide = 1,
20eb06bd 3077 .interval = 1,
e8b0e958
JA
3078 .category = FIO_OPT_C_IO,
3079 .group = FIO_OPT_G_TRIM,
0d29de83
JA
3080 },
3081 {
3082 .name = "trim_backlog_batch",
e8b0e958 3083 .lname = "Trim backlog batch",
0d29de83 3084 .type = FIO_OPT_INT,
a609f12a 3085 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA
3086 .help = "Trim this number of IO blocks",
3087 .parent = "trim_percentage",
d71c154c 3088 .hide = 1,
20eb06bd 3089 .interval = 1,
e8b0e958
JA
3090 .category = FIO_OPT_C_IO,
3091 .group = FIO_OPT_G_TRIM,
0d29de83 3092 },
a275c37a
JA
3093#else
3094 {
3095 .name = "trim_percentage",
3096 .lname = "Trim percentage",
3097 .type = FIO_OPT_UNSUPPORTED,
3098 .help = "Fio does not support TRIM on your platform",
3099 },
3100 {
3101 .name = "trim_verify_zero",
3102 .lname = "Verify trim zero",
3103 .type = FIO_OPT_UNSUPPORTED,
3104 .help = "Fio does not support TRIM on your platform",
3105 },
3106 {
3107 .name = "trim_backlog",
3108 .lname = "Trim backlog",
3109 .type = FIO_OPT_UNSUPPORTED,
3110 .help = "Fio does not support TRIM on your platform",
3111 },
3112 {
3113 .name = "trim_backlog_batch",
3114 .lname = "Trim backlog batch",
3115 .type = FIO_OPT_UNSUPPORTED,
3116 .help = "Fio does not support TRIM on your platform",
3117 },
e8462bd8 3118#endif
214e1eca
JA
3119 {
3120 .name = "write_iolog",
e8b0e958 3121 .lname = "Write I/O log",
214e1eca 3122 .type = FIO_OPT_STR_STORE,
a609f12a 3123 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3124 .help = "Store IO pattern to file",
e8b0e958
JA
3125 .category = FIO_OPT_C_IO,
3126 .group = FIO_OPT_G_IOLOG,
214e1eca
JA
3127 },
3128 {
3129 .name = "read_iolog",
e8b0e958 3130 .lname = "Read I/O log",
214e1eca 3131 .type = FIO_OPT_STR_STORE,
a609f12a 3132 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3133 .help = "Playback IO pattern from file",
e8b0e958
JA
3134 .category = FIO_OPT_C_IO,
3135 .group = FIO_OPT_G_IOLOG,
214e1eca 3136 },
98e7161c
AK
3137 {
3138 .name = "read_iolog_chunked",
3139 .lname = "Read I/O log in parts",
3140 .type = FIO_OPT_BOOL,
3141 .off1 = offsetof(struct thread_options, read_iolog_chunked),
3142 .def = "0",
3143 .parent = "read_iolog",
3144 .help = "Parse IO pattern in chunks",
3145 .category = FIO_OPT_C_IO,
3146 .group = FIO_OPT_G_IOLOG,
3147 },
64bbb865
DN
3148 {
3149 .name = "replay_no_stall",
e8b0e958 3150 .lname = "Don't stall on replay",
20eb06bd 3151 .type = FIO_OPT_BOOL,
a609f12a 3152 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3153 .def = "0",
87e7a972 3154 .parent = "read_iolog",
d71c154c 3155 .hide = 1,
64bbb865 3156 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA
3157 .category = FIO_OPT_C_IO,
3158 .group = FIO_OPT_G_IOLOG,
64bbb865 3159 },
d1c46c04
DN
3160 {
3161 .name = "replay_redirect",
e8b0e958 3162 .lname = "Redirect device for replay",
d1c46c04 3163 .type = FIO_OPT_STR_STORE,
a609f12a 3164 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3165 .parent = "read_iolog",
d71c154c 3166 .hide = 1,
d1c46c04 3167 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA
3168 .category = FIO_OPT_C_IO,
3169 .group = FIO_OPT_G_IOLOG,
d1c46c04 3170 },
0c63576e
JA
3171 {
3172 .name = "replay_scale",
3173 .lname = "Replace offset scale factor",
3174 .type = FIO_OPT_INT,
a609f12a 3175 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA
3176 .parent = "read_iolog",
3177 .def = "1",
3178 .help = "Align offsets to this blocksize",
3179 .category = FIO_OPT_C_IO,
3180 .group = FIO_OPT_G_IOLOG,
3181 },
3182 {
3183 .name = "replay_align",
3184 .lname = "Replace alignment",
3185 .type = FIO_OPT_INT,
a609f12a 3186 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA
3187 .parent = "read_iolog",
3188 .help = "Scale offset down by this factor",
3189 .category = FIO_OPT_C_IO,
3190 .group = FIO_OPT_G_IOLOG,
3191 .pow2 = 1,
3192 },
6dd7fa77
JA
3193 {
3194 .name = "replay_time_scale",
3195 .lname = "Replay Time Scale",
3196 .type = FIO_OPT_INT,
3197 .off1 = offsetof(struct thread_options, replay_time_scale),
3198 .def = "100",
3199 .minval = 1,
3200 .parent = "read_iolog",
3201 .hide = 1,
3202 .help = "Scale time for replay events",
3203 .category = FIO_OPT_C_IO,
3204 .group = FIO_OPT_G_IOLOG,
3205 },
d7235efb
JA
3206 {
3207 .name = "replay_skip",
3208 .lname = "Replay Skip",
3209 .type = FIO_OPT_STR,
3210 .cb = str_replay_skip_cb,
3211 .off1 = offsetof(struct thread_options, replay_skip),
3212 .parent = "read_iolog",
3213 .help = "Skip certain IO types (read,write,trim,flush)",
3214 .category = FIO_OPT_C_IO,
3215 .group = FIO_OPT_G_IOLOG,
3216 },
214e1eca
JA
3217 {
3218 .name = "exec_prerun",
e8b0e958 3219 .lname = "Pre-execute runnable",
214e1eca 3220 .type = FIO_OPT_STR_STORE,
a609f12a 3221 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3222 .help = "Execute this file prior to running job",
e8b0e958
JA
3223 .category = FIO_OPT_C_GENERAL,
3224 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3225 },
3226 {
3227 .name = "exec_postrun",
e8b0e958 3228 .lname = "Post-execute runnable",
214e1eca 3229 .type = FIO_OPT_STR_STORE,
a609f12a 3230 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3231 .help = "Execute this file after running job",
e8b0e958
JA
3232 .category = FIO_OPT_C_GENERAL,
3233 .group = FIO_OPT_G_INVALID,
214e1eca
JA
3234 },
3235#ifdef FIO_HAVE_IOSCHED_SWITCH
3236 {
3237 .name = "ioscheduler",
e8b0e958 3238 .lname = "I/O scheduler",
214e1eca 3239 .type = FIO_OPT_STR_STORE,
a609f12a 3240 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3241 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA
3242 .category = FIO_OPT_C_FILE,
3243 .group = FIO_OPT_G_INVALID,
214e1eca 3244 },
a275c37a
JA
3245#else
3246 {
3247 .name = "ioscheduler",
3248 .lname = "I/O scheduler",
3249 .type = FIO_OPT_UNSUPPORTED,
3250 .help = "Your platform does not support IO scheduler switching",
3251 },
214e1eca
JA
3252#endif
3253 {
3254 .name = "zonesize",
e8b0e958 3255 .lname = "Zone size",
214e1eca 3256 .type = FIO_OPT_STR_VAL,
a609f12a 3257 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN
3258 .help = "Amount of data to read per zone",
3259 .def = "0",
20eb06bd 3260 .interval = 1024 * 1024,
e8b0e958
JA
3261 .category = FIO_OPT_C_IO,
3262 .group = FIO_OPT_G_ZONE,
ed335855
SN
3263 },
3264 {
3265 .name = "zonerange",
e8b0e958 3266 .lname = "Zone range",
ed335855 3267 .type = FIO_OPT_STR_VAL,
a609f12a 3268 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA
3269 .help = "Give size of an IO zone",
3270 .def = "0",
20eb06bd 3271 .interval = 1024 * 1024,
e8b0e958
JA
3272 .category = FIO_OPT_C_IO,
3273 .group = FIO_OPT_G_ZONE,
214e1eca
JA
3274 },
3275 {
3276 .name = "zoneskip",
e8b0e958 3277 .lname = "Zone skip",
214e1eca 3278 .type = FIO_OPT_STR_VAL,
a609f12a 3279 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA
3280 .help = "Space between IO zones",
3281 .def = "0",
20eb06bd 3282 .interval = 1024 * 1024,
e8b0e958
JA
3283 .category = FIO_OPT_C_IO,
3284 .group = FIO_OPT_G_ZONE,
214e1eca
JA
3285 },
3286 {
3287 .name = "lockmem",
e8b0e958 3288 .lname = "Lock memory",
214e1eca 3289 .type = FIO_OPT_STR_VAL,
a609f12a 3290 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3291 .help = "Lock down this amount of memory (per worker)",
214e1eca 3292 .def = "0",
20eb06bd 3293 .interval = 1024 * 1024,
e8b0e958
JA
3294 .category = FIO_OPT_C_GENERAL,
3295 .group = FIO_OPT_G_INVALID,
214e1eca 3296 },
214e1eca
JA
3297 {
3298 .name = "rwmixread",
e8b0e958 3299 .lname = "Read/write mix read",
214e1eca 3300 .type = FIO_OPT_INT,
cb499fc4 3301 .cb = str_rwmix_read_cb,
a609f12a 3302 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA
3303 .maxval = 100,
3304 .help = "Percentage of mixed workload that is reads",
3305 .def = "50",
20eb06bd 3306 .interval = 5,
90265353 3307 .inverse = "rwmixwrite",
e8b0e958
JA
3308 .category = FIO_OPT_C_IO,
3309 .group = FIO_OPT_G_RWMIX,
214e1eca
JA
3310 },
3311 {
3312 .name = "rwmixwrite",
e8b0e958 3313 .lname = "Read/write mix write",
214e1eca 3314 .type = FIO_OPT_INT,
cb499fc4 3315 .cb = str_rwmix_write_cb,
a609f12a 3316 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA
3317 .maxval = 100,
3318 .help = "Percentage of mixed workload that is writes",
3319 .def = "50",
20eb06bd 3320 .interval = 5,
90265353 3321 .inverse = "rwmixread",
e8b0e958
JA
3322 .category = FIO_OPT_C_IO,
3323 .group = FIO_OPT_G_RWMIX,
214e1eca 3324 },
afdf9352
JA
3325 {
3326 .name = "rwmixcycle",
e8b0e958 3327 .lname = "Read/write mix cycle",
15ca150e 3328 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA
3329 .category = FIO_OPT_C_IO,
3330 .group = FIO_OPT_G_RWMIX,
afdf9352 3331 },
214e1eca
JA
3332 {
3333 .name = "nice",
e8b0e958 3334 .lname = "Nice",
214e1eca 3335 .type = FIO_OPT_INT,
a609f12a 3336 .off1 = offsetof(struct thread_options, nice),
214e1eca 3337 .help = "Set job CPU nice value",
11fd6aa8
RC
3338 .minval = -20,
3339 .maxval = 19,
214e1eca 3340 .def = "0",
20eb06bd 3341 .interval = 1,
e8b0e958 3342 .category = FIO_OPT_C_GENERAL,
10860056 3343 .group = FIO_OPT_G_CRED,
214e1eca
JA
3344 },
3345#ifdef FIO_HAVE_IOPRIO
3346 {
3347 .name = "prio",
e8b0e958 3348 .lname = "I/O nice priority",
214e1eca 3349 .type = FIO_OPT_INT,
a609f12a 3350 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3351 .help = "Set job IO priority value",
1767bd34
TK
3352 .minval = IOPRIO_MIN_PRIO,
3353 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3354 .interval = 1,
e8b0e958 3355 .category = FIO_OPT_C_GENERAL,
10860056 3356 .group = FIO_OPT_G_CRED,
214e1eca 3357 },
32ef447a
TK
3358#else
3359 {
3360 .name = "prio",
3361 .lname = "I/O nice priority",
3362 .type = FIO_OPT_UNSUPPORTED,
3363 .help = "Your platform does not support IO priorities",
3364 },
3365#endif
3366#ifdef FIO_HAVE_IOPRIO_CLASS
3367#ifndef FIO_HAVE_IOPRIO
3368#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3369#endif
214e1eca
JA
3370 {
3371 .name = "prioclass",
e8b0e958 3372 .lname = "I/O nice priority class",
214e1eca 3373 .type = FIO_OPT_INT,
a609f12a 3374 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3375 .help = "Set job IO priority class",
1767bd34
TK
3376 .minval = IOPRIO_MIN_PRIO_CLASS,
3377 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3378 .interval = 1,
e8b0e958 3379 .category = FIO_OPT_C_GENERAL,
10860056 3380 .group = FIO_OPT_G_CRED,
214e1eca 3381 },
a275c37a 3382#else
a275c37a
JA
3383 {
3384 .name = "prioclass",
3385 .lname = "I/O nice priority class",
3386 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3387 .help = "Your platform does not support IO priority classes",
a275c37a 3388 },
214e1eca
JA
3389#endif
3390 {
3391 .name = "thinktime",
e8b0e958 3392 .lname = "Thinktime",
214e1eca 3393 .type = FIO_OPT_INT,
a609f12a 3394 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA
3395 .help = "Idle time between IO buffers (usec)",
3396 .def = "0",
88038bc7 3397 .is_time = 1,
e8b0e958 3398 .category = FIO_OPT_C_IO,
3ceb458f 3399 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
3400 },
3401 {
3402 .name = "thinktime_spin",
e8b0e958 3403 .lname = "Thinktime spin",
214e1eca 3404 .type = FIO_OPT_INT,
a609f12a 3405 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA
3406 .help = "Start think time by spinning this amount (usec)",
3407 .def = "0",
88038bc7 3408 .is_time = 1,
afdf9352 3409 .parent = "thinktime",
d71c154c 3410 .hide = 1,
e8b0e958 3411 .category = FIO_OPT_C_IO,
3ceb458f 3412 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
3413 },
3414 {
3415 .name = "thinktime_blocks",
e8b0e958 3416 .lname = "Thinktime blocks",
214e1eca 3417 .type = FIO_OPT_INT,
a609f12a 3418 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA
3419 .help = "IO buffer period between 'thinktime'",
3420 .def = "1",
afdf9352 3421 .parent = "thinktime",
d71c154c 3422 .hide = 1,
e8b0e958 3423 .category = FIO_OPT_C_IO,
3ceb458f 3424 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
3425 },
3426 {
3427 .name = "rate",
e8b0e958 3428 .lname = "I/O rate",
e01b22b8 3429 .type = FIO_OPT_INT,
a609f12a
JA
3430 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3431 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3432 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3433 .help = "Set bandwidth rate",
e8b0e958
JA
3434 .category = FIO_OPT_C_IO,
3435 .group = FIO_OPT_G_RATE,
214e1eca
JA
3436 },
3437 {
6d428bcd
JA
3438 .name = "rate_min",
3439 .alias = "ratemin",
e8b0e958 3440 .lname = "I/O min rate",
e01b22b8 3441 .type = FIO_OPT_INT,
a609f12a
JA
3442 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3443 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3444 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3445 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3446 .parent = "rate",
d71c154c 3447 .hide = 1,
e8b0e958
JA
3448 .category = FIO_OPT_C_IO,
3449 .group = FIO_OPT_G_RATE,
4e991c23
JA
3450 },
3451 {
3452 .name = "rate_iops",
e8b0e958 3453 .lname = "I/O rate IOPS",
e01b22b8 3454 .type = FIO_OPT_INT,
a609f12a
JA
3455 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3456 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3457 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3458 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3459 .hide = 1,
e8b0e958
JA
3460 .category = FIO_OPT_C_IO,
3461 .group = FIO_OPT_G_RATE,
4e991c23
JA
3462 },
3463 {
3464 .name = "rate_iops_min",
e8b0e958 3465 .lname = "I/O min rate IOPS",
e01b22b8 3466 .type = FIO_OPT_INT,
a609f12a
JA
3467 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3468 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),