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options: fix buffer overrun
[fio.git] / options.c
CommitLineData
214e1eca
JA		 1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
214e1eca 6#include <assert.h>
5921e80c 7#include <sys/stat.h>
e13c3b50 8#include <netinet/in.h>
214e1eca
JA		 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"
b7694961 16#include "zbd.h"
214e1eca 17
e13c3b50 18char client_sockaddr_str[INET6_ADDRSTRLEN] = { 0 };
72a703da 19
a609f12a
JA		 20#define cb_data_to_td(data) container_of(data, struct thread_data, o)
21
26f14c31 22static const struct pattern_fmt_desc fmt_desc[] = {
4205998f
JA		 23 {
24 .fmt = "%o",
59f94d26 25 .len = FIO_FIELD_SIZE(struct io_u *, offset),
4205998f 26 .paste = paste_blockoff
969b9fbb
BVA		 27 },
28 { }
4205998f
JA		 29};
30
214e1eca
JA		 31/*
32 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
33 */
34static char *get_opt_postfix(const char *str)
35{
36 char *p = strstr(str, ":");
37
38 if (!p)
39 return NULL;
40
41 p++;
42 strip_blank_front(&p);
43 strip_blank_end(p);
44 return strdup(p);
45}
46
a87c90fd
AK		 47static bool split_parse_distr(const char *str, double *val, double *center)
48{
49 char *cp, *p;
50 bool r;
51
52 p = strdup(str);
53 if (!p)
54 return false;
55
56 cp = strstr(p, ":");
57 r = true;
58 if (cp) {
59 *cp = '\0';
60 cp++;
61 r = str_to_float(cp, center, 0);
62 }
63 r = r && str_to_float(p, val, 0);
64 free(p);
65 return r;
66}
67
564ca972
JA		 68static int bs_cmp(const void *p1, const void *p2)
69{
70 const struct bssplit *bsp1 = p1;
71 const struct bssplit *bsp2 = p2;
72
a7cd478d 73 return (int) bsp1->perc - (int) bsp2->perc;
564ca972
JA		 74}
75
d2835319
JA		 76struct split {
77 unsigned int nr;
5fff9543 78 unsigned long long val1[ZONESPLIT_MAX];
9d8fc5e4 79 unsigned long long val2[ZONESPLIT_MAX];
d2835319
JA		 80};
81
82static int split_parse_ddir(struct thread_options *o, struct split *split,
517c9c72 83 char *str, bool absolute, unsigned int max_splits)
564ca972 84{
59466396
JA		 85 unsigned long long perc;
86 unsigned int i;
564ca972 87 long long val;
720e84ad 88 char *fname;
564ca972 89
d2835319 90 split->nr = 0;
564ca972
JA		 91
92 i = 0;
564ca972
JA		 93 while ((fname = strsep(&str, ":")) != NULL) {
94 char *perc_str;
95
96 if (!strlen(fname))
97 break;
98
564ca972
JA		 99 perc_str = strstr(fname, "/");
100 if (perc_str) {
101 *perc_str = '\0';
102 perc_str++;
59466396
JA		 103 if (absolute) {
104 if (str_to_decimal(perc_str, &val, 1, o, 0, 0)) {
105 log_err("fio: split conversion failed\n");
106 return 1;
107 }
108 perc = val;
109 } else {
110 perc = atoi(perc_str);
111 if (perc > 100)
112 perc = 100;
113 else if (!perc)
114 perc = -1U;
115 }
116 } else {
117 if (absolute)
118 perc = 0;
119 else
d711cce5 120 perc = -1U;
59466396 121 }
564ca972 122
88038bc7 123 if (str_to_decimal(fname, &val, 1, o, 0, 0)) {
59466396 124 log_err("fio: split conversion failed\n");
564ca972
JA		 125 return 1;
126 }
127
d2835319
JA		 128 split->val1[i] = val;
129 split->val2[i] = perc;
564ca972 130 i++;
c32e1a09
JA		 131 if (i == max_splits) {
132 log_err("fio: hit max of %d split entries\n", i);
d2835319 133 break;
c32e1a09 134 }
564ca972
JA		 135 }
136
d2835319
JA		 137 split->nr = i;
138 return 0;
139}
140
59466396
JA		 141static int bssplit_ddir(struct thread_options *o, enum fio_ddir ddir, char *str,
142 bool data)
d2835319
JA		 143{
144 unsigned int i, perc, perc_missing;
5fff9543 145 unsigned long long max_bs, min_bs;
d2835319
JA		 146 struct split split;
147
148 memset(&split, 0, sizeof(split));
149
517c9c72 150 if (split_parse_ddir(o, &split, str, data, BSSPLIT_MAX))
d2835319
JA		 151 return 1;
152 if (!split.nr)
153 return 0;
154
155 max_bs = 0;
156 min_bs = -1;
157 o->bssplit[ddir] = malloc(split.nr * sizeof(struct bssplit));
158 o->bssplit_nr[ddir] = split.nr;
159 for (i = 0; i < split.nr; i++) {
160 if (split.val1[i] > max_bs)
161 max_bs = split.val1[i];
162 if (split.val1[i] < min_bs)
163 min_bs = split.val1[i];
164
165 o->bssplit[ddir][i].bs = split.val1[i];
166 o->bssplit[ddir][i].perc =split.val2[i];
167 }
564ca972
JA		 168
169 /*
170 * Now check if the percentages add up, and how much is missing
171 */
172 perc = perc_missing = 0;
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
JA		 177 perc_missing++;
178 else
179 perc += bsp->perc;
180 }
181
40bafa33 182 if (perc > 100 && perc_missing > 1) {
564ca972 183 log_err("fio: bssplit percentages add to more than 100%%\n");
d2835319
JA		 184 free(o->bssplit[ddir]);
185 o->bssplit[ddir] = NULL;
564ca972
JA		 186 return 1;
187 }
d711cce5 188
564ca972
JA		 189 /*
190 * If values didn't have a percentage set, divide the remains between
191 * them.
192 */
193 if (perc_missing) {
d711cce5 194 if (perc_missing == 1 && o->bssplit_nr[ddir] == 1)
40bafa33 195 perc = 100;
83ea422a 196 for (i = 0; i < o->bssplit_nr[ddir]; i++) {
d2835319 197 struct bssplit *bsp = &o->bssplit[ddir][i];
564ca972 198
d711cce5 199 if (bsp->perc == -1U)
564ca972
JA		 200 bsp->perc = (100 - perc) / perc_missing;
201 }
202 }
203
83ea422a
JA		 204 o->min_bs[ddir] = min_bs;
205 o->max_bs[ddir] = max_bs;
564ca972
JA		 206
207 /*
208 * now sort based on percentages, for ease of lookup
209 */
d2835319 210 qsort(o->bssplit[ddir], o->bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
720e84ad 211 return 0;
720e84ad
JA		 212}
213
59466396 214typedef int (split_parse_fn)(struct thread_options *, enum fio_ddir, char *, bool);
764593c0 215
59466396
JA		 216static int str_split_parse(struct thread_data *td, char *str,
217 split_parse_fn *fn, bool data)
720e84ad 218{
764593c0 219 char *odir, *ddir;
720e84ad
JA		 220 int ret = 0;
221
720e84ad
JA		 222 odir = strchr(str, ',');
223 if (odir) {
6eaf09d6
SL		 224 ddir = strchr(odir + 1, ',');
225 if (ddir) {
59466396 226 ret = fn(&td->o, DDIR_TRIM, ddir + 1, data);
6eaf09d6
SL		 227 if (!ret)
228 *ddir = '\0';
229 } else {
230 char *op;
231
232 op = strdup(odir + 1);
59466396 233 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL		 234
235 free(op);
236 }
d79db122 237 if (!ret)
59466396 238 ret = fn(&td->o, DDIR_WRITE, odir + 1, data);
720e84ad
JA		 239 if (!ret) {
240 *odir = '\0';
59466396 241 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad
JA		 242 }
243 } else {
244 char *op;
245
246 op = strdup(str);
59466396 247 ret = fn(&td->o, DDIR_WRITE, op, data);
6eaf09d6 248 free(op);
720e84ad 249
6eaf09d6
SL		 250 if (!ret) {
251 op = strdup(str);
59466396 252 ret = fn(&td->o, DDIR_TRIM, op, data);
6eaf09d6
SL		 253 free(op);
254 }
f0c9c217 255 if (!ret)
59466396 256 ret = fn(&td->o, DDIR_READ, str, data);
720e84ad 257 }
564ca972 258
764593c0
JA		 259 return ret;
260}
261
262static int str_bssplit_cb(void *data, const char *input)
263{
a609f12a 264 struct thread_data *td = cb_data_to_td(data);
764593c0
JA		 265 char *str, *p;
266 int ret = 0;
267
764593c0
JA		 268 p = str = strdup(input);
269
270 strip_blank_front(&str);
271 strip_blank_end(str);
272
59466396 273 ret = str_split_parse(td, str, bssplit_ddir, false);
764593c0 274
55baca06
JA		 275 if (parse_dryrun()) {
276 int i;
277
278 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
279 free(td->o.bssplit[i]);
280 td->o.bssplit[i] = NULL;
281 td->o.bssplit_nr[i] = 0;
282 }
283 }
284
564ca972 285 free(p);
720e84ad 286 return ret;
564ca972
JA		 287}
288
8b28bd41
DM		 289static int str2error(char *str)
290{
a94eb99a 291 const char *err[] = { "EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
8b28bd41
DM		 292 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
293 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
294 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
295 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
296 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
297 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
a94eb99a 298 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE" };
7fe481b4 299 int i = 0, num = sizeof(err) / sizeof(char *);
8b28bd41 300
a94eb99a 301 while (i < num) {
8b28bd41
DM		 302 if (!strcmp(err[i], str))
303 return i + 1;
304 i++;
305 }
306 return 0;
307}
308
3ed673c6
TK		 309static int ignore_error_type(struct thread_data *td, enum error_type_bit etype,
310 char *str)
8b28bd41
DM		 311{
312 unsigned int i;
313 int *error;
314 char *fname;
315
316 if (etype >= ERROR_TYPE_CNT) {
317 log_err("Illegal error type\n");
318 return 1;
319 }
320
321 td->o.ignore_error_nr[etype] = 4;
685ffd57 322 error = calloc(4, sizeof(int));
8b28bd41
DM		 323
324 i = 0;
325 while ((fname = strsep(&str, ":")) != NULL) {
326
327 if (!strlen(fname))
328 break;
329
330 /*
331 * grow struct buffer, if needed
332 */
333 if (i == td->o.ignore_error_nr[etype]) {
334 td->o.ignore_error_nr[etype] <<= 1;
335 error = realloc(error, td->o.ignore_error_nr[etype]
336 * sizeof(int));
337 }
338 if (fname[0] == 'E') {
339 error[i] = str2error(fname);
340 } else {
341 error[i] = atoi(fname);
342 if (error[i] < 0)
1616e025 343 error[i] = -error[i];
8b28bd41
DM		 344 }
345 if (!error[i]) {
d503e281 346 log_err("Unknown error %s, please use number value\n",
8b28bd41 347 fname);
d503e281 348 td->o.ignore_error_nr[etype] = 0;
0fddbf7a 349 free(error);
8b28bd41
DM		 350 return 1;
351 }
352 i++;
353 }
354 if (i) {
355 td->o.continue_on_error |= 1 << etype;
356 td->o.ignore_error_nr[etype] = i;
357 td->o.ignore_error[etype] = error;
d503e281
TK		 358 } else {
359 td->o.ignore_error_nr[etype] = 0;
c7b086be 360 free(error);
d503e281 361 }
c7b086be 362
8b28bd41
DM		 363 return 0;
364
365}
366
d7235efb
JA		 367static int str_replay_skip_cb(void *data, const char *input)
368{
369 struct thread_data *td = cb_data_to_td(data);
370 char *str, *p, *n;
371 int ret = 0;
372
373 if (parse_dryrun())
374 return 0;
375
376 p = str = strdup(input);
377
378 strip_blank_front(&str);
379 strip_blank_end(str);
380
381 while (p) {
382 n = strchr(p, ',');
383 if (n)
384 *n++ = '\0';
385 if (!strcmp(p, "read"))
386 td->o.replay_skip |= 1u << DDIR_READ;
387 else if (!strcmp(p, "write"))
388 td->o.replay_skip |= 1u << DDIR_WRITE;
389 else if (!strcmp(p, "trim"))
390 td->o.replay_skip |= 1u << DDIR_TRIM;
391 else if (!strcmp(p, "sync"))
392 td->o.replay_skip |= 1u << DDIR_SYNC;
393 else {
394 log_err("Unknown skip type: %s\n", p);
395 ret = 1;
396 break;
397 }
398 p = n;
399 }
400 free(str);
401 return ret;
402}
403
8b28bd41
DM		 404static int str_ignore_error_cb(void *data, const char *input)
405{
a609f12a 406 struct thread_data *td = cb_data_to_td(data);
8b28bd41 407 char *str, *p, *n;
3ed673c6
TK		 408 int ret = 1;
409 enum error_type_bit type = 0;
52c0cea3
JA		 410
411 if (parse_dryrun())
412 return 0;
413
8b28bd41
DM		 414 p = str = strdup(input);
415
416 strip_blank_front(&str);
417 strip_blank_end(str);
418
419 while (p) {
420 n = strchr(p, ',');
421 if (n)
422 *n++ = '\0';
423 ret = ignore_error_type(td, type, p);
424 if (ret)
425 break;
426 p = n;
427 type++;
428 }
429 free(str);
430 return ret;
431}
432
211097b2
JA		 433static int str_rw_cb(void *data, const char *str)
434{
a609f12a 435 struct thread_data *td = cb_data_to_td(data);
83ea422a 436 struct thread_options *o = &td->o;
27ca949f 437 char *nr;
211097b2 438
52c0cea3
JA		 439 if (parse_dryrun())
440 return 0;
441
83ea422a
JA		 442 o->ddir_seq_nr = 1;
443 o->ddir_seq_add = 0;
059b0802 444
27ca949f 445 nr = get_opt_postfix(str);
059b0802
JA		 446 if (!nr)
447 return 0;
448
449 if (td_random(td))
83ea422a 450 o->ddir_seq_nr = atoi(nr);
059b0802
JA		 451 else {
452 long long val;
453
88038bc7 454 if (str_to_decimal(nr, &val, 1, o, 0, 0)) {
059b0802
JA		 455 log_err("fio: rw postfix parsing failed\n");
456 free(nr);
457 return 1;
458 }
459
83ea422a 460 o->ddir_seq_add = val;
182ec6ee 461 }
211097b2 462
059b0802 463 free(nr);
211097b2
JA		 464 return 0;
465}
466
214e1eca
JA		 467static int str_mem_cb(void *data, const char *mem)
468{
a609f12a 469 struct thread_data *td = cb_data_to_td(data);
214e1eca 470
217b0f1d
LG		 471 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP ||
472 td->o.mem_type == MEM_MMAPSHARED)
836fcc0f 473 td->o.mmapfile = get_opt_postfix(mem);
214e1eca
JA		 474
475 return 0;
476}
477
c223da83
JA		 478static int fio_clock_source_cb(void *data, const char *str)
479{
a609f12a 480 struct thread_data *td = cb_data_to_td(data);
c223da83
JA		 481
482 fio_clock_source = td->o.clocksource;
fa80feae 483 fio_clock_source_set = 1;
01423eae 484 fio_clock_init();
c223da83
JA		 485 return 0;
486}
487
85bc833b 488static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4 489{
a609f12a 490 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 491
492 td->o.rwmix[DDIR_READ] = *val;
493 td->o.rwmix[DDIR_WRITE] = 100 - *val;
494 return 0;
495}
496
85bc833b 497static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4 498{
a609f12a 499 struct thread_data *td = cb_data_to_td(data);
cb499fc4
JA		 500
501 td->o.rwmix[DDIR_WRITE] = *val;
502 td->o.rwmix[DDIR_READ] = 100 - *val;
503 return 0;
504}
505
214e1eca
JA		 506static int str_exitall_cb(void)
507{
f1867a7f 508 exitall_on_terminate = true;
214e1eca
JA		 509 return 0;
510}
511
214e1eca 512#ifdef FIO_HAVE_CPU_AFFINITY
50b5860b 513int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
c2acfbac 514{
50b5860b 515 unsigned int i, index, cpus_in_mask;
c2acfbac 516 const long max_cpu = cpus_online();
c2acfbac 517
50b5860b 518 cpus_in_mask = fio_cpu_count(mask);
3a294b87
VF		 519 if (!cpus_in_mask)
520 return 0;
521
50b5860b
JA		 522 cpu_index = cpu_index % cpus_in_mask;
523
524 index = 0;
c2acfbac 525 for (i = 0; i < max_cpu; i++) {
50b5860b 526 if (!fio_cpu_isset(mask, i))
c2acfbac 527 continue;
50b5860b
JA		 528
529 if (cpu_index != index)
530 fio_cpu_clear(mask, i);
531
532 index++;
c2acfbac
JA		 533 }
534
535 return fio_cpu_count(mask);
536}
537
85bc833b 538static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0 539{
a609f12a 540 struct thread_data *td = cb_data_to_td(data);
214e1eca 541 unsigned int i;
b03daafb 542 long max_cpu;
d2ce18b5
JA		 543 int ret;
544
52c0cea3
JA		 545 if (parse_dryrun())
546 return 0;
547
d2ce18b5
JA		 548 ret = fio_cpuset_init(&td->o.cpumask);
549 if (ret < 0) {
550 log_err("fio: cpuset_init failed\n");
551 td_verror(td, ret, "fio_cpuset_init");
552 return 1;
553 }
214e1eca 554
c00a2289 555 max_cpu = cpus_online();
214e1eca 556
62a7273d
JA		 557 for (i = 0; i < sizeof(int) * 8; i++) {
558 if ((1 << i) & *val) {
b8411399 559 if (i >= max_cpu) {
b03daafb 560 log_err("fio: CPU %d too large (max=%ld)\n", i,
b8411399 561 max_cpu - 1);
b03daafb
JA		 562 return 1;
563 }
62a7273d 564 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 565 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA		 566 }
567 }
d2e268b0 568
d2e268b0 569 return 0;
214e1eca
JA		 570}
571
e8462bd8
JA		 572static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
573 const char *input)
214e1eca 574{
d2e268b0 575 char *cpu, *str, *p;
b03daafb 576 long max_cpu;
19608d6c 577 int ret = 0;
d2e268b0 578
e8462bd8 579 ret = fio_cpuset_init(mask);
d2ce18b5
JA		 580 if (ret < 0) {
581 log_err("fio: cpuset_init failed\n");
582 td_verror(td, ret, "fio_cpuset_init");
583 return 1;
584 }
d2e268b0
JA		 585
586 p = str = strdup(input);
214e1eca 587
d2e268b0
JA		 588 strip_blank_front(&str);
589 strip_blank_end(str);
590
c00a2289 591 max_cpu = cpus_online();
b03daafb 592
d2e268b0 593 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA		 594 char *str2, *cpu2;
595 int icpu, icpu2;
596
d2e268b0
JA		 597 if (!strlen(cpu))
598 break;
62a7273d
JA		 599
600 str2 = cpu;
601 icpu2 = -1;
602 while ((cpu2 = strsep(&str2, "-")) != NULL) {
603 if (!strlen(cpu2))
604 break;
605
606 icpu2 = atoi(cpu2);
607 }
608
609 icpu = atoi(cpu);
610 if (icpu2 == -1)
611 icpu2 = icpu;
612 while (icpu <= icpu2) {
6d459ee7 613 if (icpu >= FIO_MAX_CPUS) {
19608d6c 614 log_err("fio: your OS only supports up to"
6d459ee7 615 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA		 616 ret = 1;
617 break;
618 }
9e986889 619 if (icpu >= max_cpu) {
b03daafb 620 log_err("fio: CPU %d too large (max=%ld)\n",
9e986889 621 icpu, max_cpu - 1);
b03daafb
JA		 622 ret = 1;
623 break;
624 }
0b9d69ec 625
62a7273d 626 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 627 fio_cpu_set(mask, icpu);
62a7273d
JA		 628 icpu++;
629 }
19608d6c
JA		 630 if (ret)
631 break;
d2e268b0
JA		 632 }
633
634 free(p);
19608d6c 635 return ret;
214e1eca 636}
e8462bd8
JA		 637
638static int str_cpus_allowed_cb(void *data, const char *input)
639{
a609f12a 640 struct thread_data *td = cb_data_to_td(data);
e8462bd8 641
52c0cea3
JA		 642 if (parse_dryrun())
643 return 0;
644
b2a9e649 645 return set_cpus_allowed(td, &td->o.cpumask, input);
e8462bd8
JA		 646}
647
648static int str_verify_cpus_allowed_cb(void *data, const char *input)
649{
a609f12a 650 struct thread_data *td = cb_data_to_td(data);
e8462bd8 651
466155e2
JA		 652 if (parse_dryrun())
653 return 0;
654
b2a9e649 655 return set_cpus_allowed(td, &td->o.verify_cpumask, input);
e8462bd8 656}
c08f9fe2 657
105157ad 658#ifdef CONFIG_ZLIB
c08f9fe2
JA		 659static int str_log_cpus_allowed_cb(void *data, const char *input)
660{
a609f12a 661 struct thread_data *td = cb_data_to_td(data);
c08f9fe2
JA		 662
663 if (parse_dryrun())
664 return 0;
665
666 return set_cpus_allowed(td, &td->o.log_gz_cpumask, input);
667}
105157ad 668#endif /* CONFIG_ZLIB */
c08f9fe2 669
105157ad 670#endif /* FIO_HAVE_CPU_AFFINITY */
214e1eca 671
67bf9823 672#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 673static int str_numa_cpunodes_cb(void *data, char *input)
674{
a609f12a 675 struct thread_data *td = cb_data_to_td(data);
43522848 676 struct bitmask *verify_bitmask;
d0b937ed 677
52c0cea3
JA		 678 if (parse_dryrun())
679 return 0;
680
d0b937ed
YR		 681 /* numa_parse_nodestring() parses a character string list
682 * of nodes into a bit mask. The bit mask is allocated by
683 * numa_allocate_nodemask(), so it should be freed by
684 * numa_free_nodemask().
685 */
43522848
DG		 686 verify_bitmask = numa_parse_nodestring(input);
687 if (verify_bitmask == NULL) {
d0b937ed
YR		 688 log_err("fio: numa_parse_nodestring failed\n");
689 td_verror(td, 1, "str_numa_cpunodes_cb");
690 return 1;
691 }
43522848 692 numa_free_nodemask(verify_bitmask);
d0b937ed 693
43522848 694 td->o.numa_cpunodes = strdup(input);
d0b937ed
YR		 695 return 0;
696}
697
698static int str_numa_mpol_cb(void *data, char *input)
699{
a609f12a 700 struct thread_data *td = cb_data_to_td(data);
d0b937ed 701 const char * const policy_types[] =
05d6f44b 702 { "default", "prefer", "bind", "interleave", "local", NULL };
d0b937ed 703 int i;
52c0cea3 704 char *nodelist;
43522848 705 struct bitmask *verify_bitmask;
52c0cea3
JA		 706
707 if (parse_dryrun())
708 return 0;
d0b937ed 709
52c0cea3 710 nodelist = strchr(input, ':');
d0b937ed
YR		 711 if (nodelist) {
712 /* NUL-terminate mode */
713 *nodelist++ = '\0';
714 }
715
716 for (i = 0; i <= MPOL_LOCAL; i++) {
717 if (!strcmp(input, policy_types[i])) {
718 td->o.numa_mem_mode = i;
719 break;
720 }
721 }
722 if (i > MPOL_LOCAL) {
723 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
724 goto out;
725 }
726
727 switch (td->o.numa_mem_mode) {
728 case MPOL_PREFERRED:
729 /*
730 * Insist on a nodelist of one node only
731 */
732 if (nodelist) {
733 char *rest = nodelist;
734 while (isdigit(*rest))
735 rest++;
736 if (*rest) {
737 log_err("fio: one node only for \'prefer\'\n");
738 goto out;
739 }
740 } else {
741 log_err("fio: one node is needed for \'prefer\'\n");
742 goto out;
743 }
744 break;
745 case MPOL_INTERLEAVE:
746 /*
747 * Default to online nodes with memory if no nodelist
748 */
749 if (!nodelist)
750 nodelist = strdup("all");
751 break;
752 case MPOL_LOCAL:
753 case MPOL_DEFAULT:
754 /*
755 * Don't allow a nodelist
756 */
757 if (nodelist) {
758 log_err("fio: NO nodelist for \'local\'\n");
759 goto out;
760 }
761 break;
762 case MPOL_BIND:
763 /*
764 * Insist on a nodelist
765 */
766 if (!nodelist) {
767 log_err("fio: a nodelist is needed for \'bind\'\n");
768 goto out;
769 }
770 break;
771 }
772
773
774 /* numa_parse_nodestring() parses a character string list
775 * of nodes into a bit mask. The bit mask is allocated by
776 * numa_allocate_nodemask(), so it should be freed by
777 * numa_free_nodemask().
778 */
779 switch (td->o.numa_mem_mode) {
780 case MPOL_PREFERRED:
781 td->o.numa_mem_prefer_node = atoi(nodelist);
782 break;
783 case MPOL_INTERLEAVE:
784 case MPOL_BIND:
43522848
DG		 785 verify_bitmask = numa_parse_nodestring(nodelist);
786 if (verify_bitmask == NULL) {
d0b937ed
YR		 787 log_err("fio: numa_parse_nodestring failed\n");
788 td_verror(td, 1, "str_numa_memnodes_cb");
789 return 1;
790 }
43522848
DG		 791 td->o.numa_memnodes = strdup(nodelist);
792 numa_free_nodemask(verify_bitmask);
b74e419e 793
d0b937ed
YR		 794 break;
795 case MPOL_LOCAL:
796 case MPOL_DEFAULT:
797 default:
798 break;
799 }
800
d0b937ed 801 return 0;
d0b937ed
YR		 802out:
803 return 1;
804}
805#endif
806
214e1eca
JA		 807static int str_fst_cb(void *data, const char *str)
808{
a609f12a 809 struct thread_data *td = cb_data_to_td(data);
8c07860d 810 double val;
a87c90fd 811 double center = -1;
8c07860d
JA		 812 bool done = false;
813 char *nr;
214e1eca
JA		 814
815 td->file_service_nr = 1;
8c07860d
JA		 816
817 switch (td->o.file_service_type) {
818 case FIO_FSERVICE_RANDOM:
819 case FIO_FSERVICE_RR:
820 case FIO_FSERVICE_SEQ:
821 nr = get_opt_postfix(str);
822 if (nr) {
823 td->file_service_nr = atoi(nr);
824 free(nr);
825 }
826 done = true;
827 break;
828 case FIO_FSERVICE_ZIPF:
829 val = FIO_DEF_ZIPF;
830 break;
831 case FIO_FSERVICE_PARETO:
832 val = FIO_DEF_PARETO;
833 break;
834 case FIO_FSERVICE_GAUSS:
835 val = 0.0;
836 break;
837 default:
838 log_err("fio: bad file service type: %d\n", td->o.file_service_type);
839 return 1;
840 }
841
842 if (done)
843 return 0;
844
845 nr = get_opt_postfix(str);
a87c90fd 846 if (nr && !split_parse_distr(nr, &val, &center)) {
8c07860d 847 log_err("fio: file service type random postfix parsing failed\n");
182ec6ee 848 free(nr);
8c07860d
JA		 849 return 1;
850 }
851
852 free(nr);
853
a87c90fd
AK		 854 if (center != -1 && (center < 0.00 || center > 1.00)) {
855 log_err("fio: distribution center out of range (0 <= center <= 1.0)\n");
856 return 1;
857 }
858 td->random_center = center;
859
8c07860d
JA		 860 switch (td->o.file_service_type) {
861 case FIO_FSERVICE_ZIPF:
862 if (val == 1.00) {
863 log_err("fio: zipf theta must be different than 1.0\n");
864 return 1;
865 }
866 if (parse_dryrun())
867 return 0;
868 td->zipf_theta = val;
869 break;
870 case FIO_FSERVICE_PARETO:
871 if (val <= 0.00 || val >= 1.00) {
872 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
873 return 1;
874 }
875 if (parse_dryrun())
876 return 0;
877 td->pareto_h = val;
878 break;
879 case FIO_FSERVICE_GAUSS:
880 if (val < 0.00 || val >= 100.00) {
99c94a6b 881 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
8c07860d
JA		 882 return 1;
883 }
884 if (parse_dryrun())
885 return 0;
886 td->gauss_dev = val;
887 break;
182ec6ee 888 }
214e1eca
JA		 889
890 return 0;
891}
892
67bf9823 893#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 894static int str_sfr_cb(void *data, const char *str)
895{
a609f12a 896 struct thread_data *td = cb_data_to_td(data);
44f29692
JA		 897 char *nr = get_opt_postfix(str);
898
899 td->sync_file_range_nr = 1;
900 if (nr) {
901 td->sync_file_range_nr = atoi(nr);
902 free(nr);
903 }
904
905 return 0;
906}
3ae06371 907#endif
44f29692 908
764593c0 909static int zone_split_ddir(struct thread_options *o, enum fio_ddir ddir,
59466396 910 char *str, bool absolute)
e0a04ac1 911{
e0a04ac1 912 unsigned int i, perc, perc_missing, sperc, sperc_missing;
d2835319 913 struct split split;
e0a04ac1 914
d2835319 915 memset(&split, 0, sizeof(split));
e0a04ac1 916
517c9c72 917 if (split_parse_ddir(o, &split, str, absolute, ZONESPLIT_MAX))
d2835319
JA		 918 return 1;
919 if (!split.nr)
920 return 0;
e0a04ac1 921
d2835319
JA		 922 o->zone_split[ddir] = malloc(split.nr * sizeof(struct zone_split));
923 o->zone_split_nr[ddir] = split.nr;
924 for (i = 0; i < split.nr; i++) {
925 o->zone_split[ddir][i].access_perc = split.val1[i];
59466396
JA		 926 if (absolute)
927 o->zone_split[ddir][i].size = split.val2[i];
928 else
929 o->zone_split[ddir][i].size_perc = split.val2[i];
e0a04ac1
JA		 930 }
931
e0a04ac1
JA		 932 /*
933 * Now check if the percentages add up, and how much is missing
934 */
935 perc = perc_missing = 0;
936 sperc = sperc_missing = 0;
937 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 938 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 939
940 if (zsp->access_perc == (uint8_t) -1U)
941 perc_missing++;
942 else
943 perc += zsp->access_perc;
944
59466396
JA		 945 if (!absolute) {
946 if (zsp->size_perc == (uint8_t) -1U)
947 sperc_missing++;
948 else
949 sperc += zsp->size_perc;
950 }
e0a04ac1
JA		 951 }
952
953 if (perc > 100 || sperc > 100) {
954 log_err("fio: zone_split percentages add to more than 100%%\n");
d2835319
JA		 955 free(o->zone_split[ddir]);
956 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 957 return 1;
958 }
959 if (perc < 100) {
960 log_err("fio: access percentage don't add up to 100 for zoned "
961 "random distribution (got=%u)\n", perc);
d2835319
JA		 962 free(o->zone_split[ddir]);
963 o->zone_split[ddir] = NULL;
e0a04ac1
JA		 964 return 1;
965 }
966
967 /*
968 * If values didn't have a percentage set, divide the remains between
969 * them.
970 */
971 if (perc_missing) {
972 if (perc_missing == 1 && o->zone_split_nr[ddir] == 1)
973 perc = 100;
974 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 975 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 976
977 if (zsp->access_perc == (uint8_t) -1U)
978 zsp->access_perc = (100 - perc) / perc_missing;
979 }
980 }
981 if (sperc_missing) {
982 if (sperc_missing == 1 && o->zone_split_nr[ddir] == 1)
983 sperc = 100;
984 for (i = 0; i < o->zone_split_nr[ddir]; i++) {
d2835319 985 struct zone_split *zsp = &o->zone_split[ddir][i];
e0a04ac1
JA		 986
987 if (zsp->size_perc == (uint8_t) -1U)
988 zsp->size_perc = (100 - sperc) / sperc_missing;
989 }
990 }
991
e0a04ac1
JA		 992 return 0;
993}
994
59466396
JA		 995static int parse_zoned_distribution(struct thread_data *td, const char *input,
996 bool absolute)
e0a04ac1 997{
59466396 998 const char *pre = absolute ? "zoned_abs:" : "zoned:";
764593c0 999 char *str, *p;
e0a04ac1
JA		 1000 int i, ret = 0;
1001
1002 p = str = strdup(input);
1003
1004 strip_blank_front(&str);
1005 strip_blank_end(str);
1006
1007 /* We expect it to start like that, bail if not */
59466396 1008 if (strncmp(str, pre, strlen(pre))) {
e0a04ac1
JA		 1009 log_err("fio: mismatch in zoned input <%s>\n", str);
1010 free(p);
1011 return 1;
1012 }
59466396 1013 str += strlen(pre);
e0a04ac1 1014
59466396 1015 ret = str_split_parse(td, str, zone_split_ddir, absolute);
e0a04ac1
JA		 1016
1017 free(p);
1018
1019 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1020 int j;
1021
1022 dprint(FD_PARSE, "zone ddir %d (nr=%u): \n", i, td->o.zone_split_nr[i]);
1023
1024 for (j = 0; j < td->o.zone_split_nr[i]; j++) {
1025 struct zone_split *zsp = &td->o.zone_split[i][j];
1026
59466396
JA		 1027 if (absolute) {
1028 dprint(FD_PARSE, "\t%d: %u/%llu\n", j,
1029 zsp->access_perc,
1030 (unsigned long long) zsp->size);
1031 } else {
1032 dprint(FD_PARSE, "\t%d: %u/%u\n", j,
1033 zsp->access_perc,
1034 zsp->size_perc);
1035 }
e0a04ac1
JA		 1036 }
1037 }
1038
55baca06 1039 if (parse_dryrun()) {
55baca06
JA		 1040 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1041 free(td->o.zone_split[i]);
1042 td->o.zone_split[i] = NULL;
1043 td->o.zone_split_nr[i] = 0;
1044 }
1045
1046 return ret;
1047 }
1048
81bdb791 1049 if (ret) {
dc4bffb8
JA		 1050 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1051 td->o.zone_split_nr[i] = 0;
1052 }
e0a04ac1
JA		 1053
1054 return ret;
1055}
1056
e25839d4
JA		 1057static int str_random_distribution_cb(void *data, const char *str)
1058{
a609f12a 1059 struct thread_data *td = cb_data_to_td(data);
e25839d4 1060 double val;
a87c90fd 1061 double center = -1;
e25839d4
JA		 1062 char *nr;
1063
925fee33 1064 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
c95f9404 1065 val = FIO_DEF_ZIPF;
925fee33 1066 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
c95f9404 1067 val = FIO_DEF_PARETO;
56d9fa4b
JA		 1068 else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
1069 val = 0.0;
e0a04ac1 1070 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
59466396
JA		 1071 return parse_zoned_distribution(td, str, false);
1072 else if (td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS)
1073 return parse_zoned_distribution(td, str, true);
925fee33 1074 else
e25839d4
JA		 1075 return 0;
1076
1077 nr = get_opt_postfix(str);
a87c90fd 1078 if (nr && !split_parse_distr(nr, &val, &center)) {
e25839d4
JA		 1079 log_err("fio: random postfix parsing failed\n");
1080 free(nr);
1081 return 1;
1082 }
1083
078189c1
JA		 1084 free(nr);
1085
a87c90fd
AK		 1086 if (center != -1 && (center < 0.00 || center > 1.00)) {
1087 log_err("fio: distribution center out of range (0 <= center <= 1.0)\n");
1088 return 1;
1089 }
1090 td->o.random_center.u.f = center;
1091
18ded917
JA		 1092 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
1093 if (val == 1.00) {
1094 log_err("fio: zipf theta must different than 1.0\n");
1095 return 1;
1096 }
55baca06
JA		 1097 if (parse_dryrun())
1098 return 0;
1e5324e7 1099 td->o.zipf_theta.u.f = val;
56d9fa4b 1100 } else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) {
078189c1
JA		 1101 if (val <= 0.00 || val >= 1.00) {
1102 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
1103 return 1;
1104 }
55baca06
JA		 1105 if (parse_dryrun())
1106 return 0;
1e5324e7 1107 td->o.pareto_h.u.f = val;
3cdb8cf3 1108 } else {
76527b19 1109 if (val < 0.00 || val >= 100.0) {
99c94a6b 1110 log_err("fio: normal deviation out of range (0 <= input < 100.0)\n");
3cdb8cf3
JA		 1111 return 1;
1112 }
55baca06
JA		 1113 if (parse_dryrun())
1114 return 0;
f88cd222 1115 td->o.gauss_dev.u.f = val;
3cdb8cf3 1116 }
921c766f
JA		 1117
1118 return 0;
1119}
1120
16e56d25
VF		 1121static int str_steadystate_cb(void *data, const char *str)
1122{
94f218f6 1123 struct thread_data *td = cb_data_to_td(data);
16e56d25
VF		 1124 double val;
1125 char *nr;
1126 char *pct;
1127 long long ll;
1128
2c5d94bc
VF		 1129 if (td->o.ss_state != FIO_SS_IOPS && td->o.ss_state != FIO_SS_IOPS_SLOPE &&
1130 td->o.ss_state != FIO_SS_BW && td->o.ss_state != FIO_SS_BW_SLOPE) {
16e56d25
VF		 1131 /* should be impossible to get here */
1132 log_err("fio: unknown steady state criterion\n");
1133 return 1;
1134 }
1135
1136 nr = get_opt_postfix(str);
1137 if (!nr) {
1138 log_err("fio: steadystate threshold must be specified in addition to criterion\n");
1139 free(nr);
1140 return 1;
1141 }
1142
1143 /* ENHANCEMENT Allow fio to understand size=10.2% and use here */
1144 pct = strstr(nr, "%");
1145 if (pct) {
1146 *pct = '\0';
1147 strip_blank_end(nr);
1148 if (!str_to_float(nr, &val, 0)) {
1149 log_err("fio: could not parse steadystate threshold percentage\n");
1150 free(nr);
1151 return 1;
1152 }
1153
1154 dprint(FD_PARSE, "set steady state threshold to %f%%\n", val);
1155 free(nr);
1156 if (parse_dryrun())
1157 return 0;
1158
c8caba48 1159 td->o.ss_state |= FIO_SS_PCT;
16e56d25 1160 td->o.ss_limit.u.f = val;
c8caba48 1161 } else if (td->o.ss_state & FIO_SS_IOPS) {
16e56d25
VF		 1162 if (!str_to_float(nr, &val, 0)) {
1163 log_err("fio: steadystate IOPS threshold postfix parsing failed\n");
1164 free(nr);
1165 return 1;
1166 }
1167
1168 dprint(FD_PARSE, "set steady state IOPS threshold to %f\n", val);
1169 free(nr);
1170 if (parse_dryrun())
1171 return 0;
1172
16e56d25 1173 td->o.ss_limit.u.f = val;
16e56d25
VF		 1174 } else { /* bandwidth criterion */
1175 if (str_to_decimal(nr, &ll, 1, td, 0, 0)) {
1176 log_err("fio: steadystate BW threshold postfix parsing failed\n");
1177 free(nr);
1178 return 1;
1179 }
1180
1181 dprint(FD_PARSE, "set steady state BW threshold to %lld\n", ll);
1182 free(nr);
1183 if (parse_dryrun())
1184 return 0;
1185
16e56d25 1186 td->o.ss_limit.u.f = (double) ll;
16e56d25
VF		 1187 }
1188
2c5d94bc 1189 td->ss.state = td->o.ss_state;
16e56d25
VF		 1190 return 0;
1191}
1192
8e827d35 1193/*
bcbfeefa 1194 * Return next name in the string. Files are separated with ':'. If the ':'
8e827d35
JA		 1195 * is escaped with a '\', then that ':' is part of the filename and does not
1196 * indicate a new file.
1197 */
532eda7e 1198char *get_next_str(char **ptr)
8e827d35
JA		 1199{
1200 char *str = *ptr;
1201 char *p, *start;
1202
1203 if (!str || !strlen(str))
1204 return NULL;
1205
1206 start = str;
1207 do {
1208 /*
1209 * No colon, we are done
1210 */
1211 p = strchr(str, ':');
1212 if (!p) {
1213 *ptr = NULL;
1214 break;
1215 }
1216
1217 /*
1218 * We got a colon, but it's the first character. Skip and
1219 * continue
1220 */
1221 if (p == start) {
1222 str = ++start;
1223 continue;
1224 }
1225
1226 if (*(p - 1) != '\\') {
1227 *p = '\0';
1228 *ptr = p + 1;
1229 break;
1230 }
1231
1232 memmove(p - 1, p, strlen(p) + 1);
1233 str = p;
1234 } while (1);
1235
1236 return start;
1237}
1238
bcbfeefa 1239
532eda7e 1240int get_max_str_idx(char *input)
bcbfeefa
CE		 1241{
1242 unsigned int cur_idx;
1243 char *str, *p;
1244
1245 p = str = strdup(input);
1246 for (cur_idx = 0; ; cur_idx++)
532eda7e 1247 if (get_next_str(&str) == NULL)
bcbfeefa
CE		 1248 break;
1249
1250 free(p);
1251 return cur_idx;
1252}
1253
1254/*
1255 * Returns the directory at the index, indexes > entires will be
1256 * assigned via modulo division of the index
1257 */
922a5be8
JA		 1258int set_name_idx(char *target, size_t tlen, char *input, int index,
1259 bool unique_filename)
bcbfeefa
CE		 1260{
1261 unsigned int cur_idx;
1262 int len;
1263 char *fname, *str, *p;
1264
1265 p = str = strdup(input);
1266
532eda7e 1267 index %= get_max_str_idx(input);
bcbfeefa 1268 for (cur_idx = 0; cur_idx <= index; cur_idx++)
532eda7e 1269 fname = get_next_str(&str);
bcbfeefa 1270
922a5be8 1271 if (client_sockaddr_str[0] && unique_filename) {
e13c3b50
JA		 1272 len = snprintf(target, tlen, "%s/%s.", fname,
1273 client_sockaddr_str);
1274 } else
df18600f
SW		 1275 len = snprintf(target, tlen, "%s%c", fname,
1276 FIO_OS_PATH_SEPARATOR);
72a703da 1277
e13c3b50 1278 target[tlen - 1] = '\0';
bcbfeefa
CE		 1279 free(p);
1280
1281 return len;
1282}
1283
c70c7f58
AK		 1284char* get_name_by_idx(char *input, int index)
1285{
1286 unsigned int cur_idx;
1287 char *fname, *str, *p;
1288
1289 p = str = strdup(input);
1290
532eda7e 1291 index %= get_max_str_idx(input);
c70c7f58 1292 for (cur_idx = 0; cur_idx <= index; cur_idx++)
532eda7e 1293 fname = get_next_str(&str);
c70c7f58
AK		 1294
1295 fname = strdup(fname);
1296 free(p);
1297
1298 return fname;
1299}
1300
214e1eca
JA		 1301static int str_filename_cb(void *data, const char *input)
1302{
a609f12a 1303 struct thread_data *td = cb_data_to_td(data);
214e1eca
JA		 1304 char *fname, *str, *p;
1305
1306 p = str = strdup(input);
1307
1308 strip_blank_front(&str);
1309 strip_blank_end(str);
1310
79591fa9
TK		 1311 /*
1312 * Ignore what we may already have from nrfiles option.
1313 */
214e1eca 1314 if (!td->files_index)
2dc1bbeb 1315 td->o.nr_files = 0;
214e1eca 1316
532eda7e 1317 while ((fname = get_next_str(&str)) != NULL) {
214e1eca
JA		 1318 if (!strlen(fname))
1319 break;
5903e7b7 1320 add_file(td, fname, 0, 1);
214e1eca
JA		 1321 }
1322
1323 free(p);
1324 return 0;
1325}
1326
bcbfeefa 1327static int str_directory_cb(void *data, const char fio_unused *unused)
214e1eca 1328{
a609f12a 1329 struct thread_data *td = cb_data_to_td(data);
214e1eca 1330 struct stat sb;
bcbfeefa
CE		 1331 char *dirname, *str, *p;
1332 int ret = 0;
214e1eca 1333
f9633d72
JA		 1334 if (parse_dryrun())
1335 return 0;
1336
bcbfeefa 1337 p = str = strdup(td->o.directory);
532eda7e 1338 while ((dirname = get_next_str(&str)) != NULL) {
bcbfeefa
CE		 1339 if (lstat(dirname, &sb) < 0) {
1340 ret = errno;
921c766f 1341
bcbfeefa
CE		 1342 log_err("fio: %s is not a directory\n", dirname);
1343 td_verror(td, ret, "lstat");
1344 goto out;
1345 }
1346 if (!S_ISDIR(sb.st_mode)) {
1347 log_err("fio: %s is not a directory\n", dirname);
1348 ret = 1;
1349 goto out;
1350 }
214e1eca
JA		 1351 }
1352
bcbfeefa
CE		 1353out:
1354 free(p);
1355 return ret;
214e1eca
JA		 1356}
1357
1358static int str_opendir_cb(void *data, const char fio_unused *str)
1359{
a609f12a 1360 struct thread_data *td = cb_data_to_td(data);
214e1eca 1361
52c0cea3
JA		 1362 if (parse_dryrun())
1363 return 0;
1364
214e1eca 1365 if (!td->files_index)
2dc1bbeb 1366 td->o.nr_files = 0;
214e1eca 1367
2dc1bbeb 1368 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 1369}
1370
ce35b1ec
JA		 1371static int str_buffer_pattern_cb(void *data, const char *input)
1372{
a609f12a 1373 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1374 int ret;
1375
61b9861d
RP		 1376 /* FIXME: for now buffer pattern does not support formats */
1377 ret = parse_and_fill_pattern(input, strlen(input), td->o.buffer_pattern,
969b9fbb 1378 MAX_PATTERN_SIZE, NULL, NULL, NULL);
61b9861d
RP		 1379 if (ret < 0)
1380 return 1;
ce35b1ec 1381
61b9861d
RP		 1382 assert(ret != 0);
1383 td->o.buffer_pattern_bytes = ret;
c55fae03
JA		 1384
1385 /*
1386 * If this job is doing any reading or has compression set,
1387 * ensure that we refill buffers for writes or we could be
1388 * invalidating the pattern through reads.
1389 */
1390 if (!td->o.compress_percentage && !td_read(td))
61b9861d 1391 td->o.refill_buffers = 0;
c55fae03
JA		 1392 else
1393 td->o.refill_buffers = 1;
1394
61b9861d
RP		 1395 td->o.scramble_buffers = 0;
1396 td->o.zero_buffers = 0;
efcd9dcc 1397
61b9861d 1398 return 0;
ce35b1ec
JA		 1399}
1400
bedc9dc2
JA		 1401static int str_buffer_compress_cb(void *data, unsigned long long *il)
1402{
a609f12a 1403 struct thread_data *td = cb_data_to_td(data);
bedc9dc2
JA		 1404
1405 td->flags |= TD_F_COMPRESS;
1406 td->o.compress_percentage = *il;
1407 return 0;
1408}
1409
5c94b008
JA		 1410static int str_dedupe_cb(void *data, unsigned long long *il)
1411{
a609f12a 1412 struct thread_data *td = cb_data_to_td(data);
5c94b008
JA		 1413
1414 td->flags |= TD_F_COMPRESS;
1415 td->o.dedupe_percentage = *il;
1416 td->o.refill_buffers = 1;
1417 return 0;
1418}
1419
ce35b1ec
JA		 1420static int str_verify_pattern_cb(void *data, const char *input)
1421{
a609f12a 1422 struct thread_data *td = cb_data_to_td(data);
ce35b1ec
JA		 1423 int ret;
1424
59f94d26 1425 td->o.verify_fmt_sz = FIO_ARRAY_SIZE(td->o.verify_fmt);
61b9861d 1426 ret = parse_and_fill_pattern(input, strlen(input), td->o.verify_pattern,
969b9fbb 1427 MAX_PATTERN_SIZE, fmt_desc,
4205998f 1428 td->o.verify_fmt, &td->o.verify_fmt_sz);
61b9861d
RP		 1429 if (ret < 0)
1430 return 1;
efcd9dcc 1431
61b9861d
RP		 1432 assert(ret != 0);
1433 td->o.verify_pattern_bytes = ret;
92bf48d5 1434 /*
b638d82f 1435 * VERIFY_* could already be set
92bf48d5 1436 */
61b9861d 1437 if (!fio_option_is_set(&td->o, verify))
92bf48d5 1438 td->o.verify = VERIFY_PATTERN;
efcd9dcc 1439
61b9861d 1440 return 0;
90059d65 1441}
214e1eca 1442
993bf48b
JA		 1443static int str_gtod_reduce_cb(void *data, int *il)
1444{
a609f12a 1445 struct thread_data *td = cb_data_to_td(data);
993bf48b
JA		 1446 int val = *il;
1447
56440e63
VF		 1448 /*
1449 * Only modfiy options if gtod_reduce==1
1450 * Otherwise leave settings alone.
1451 */
1452 if (val) {
1453 td->o.disable_lat = 1;
1454 td->o.disable_clat = 1;
1455 td->o.disable_slat = 1;
1456 td->o.disable_bw = 1;
1457 td->o.clat_percentiles = 0;
1458 td->o.lat_percentiles = 0;
1459 td->o.slat_percentiles = 0;
8b6a404c 1460 td->ts_cache_mask = 63;
56440e63 1461 }
993bf48b
JA		 1462
1463 return 0;
1464}
1465
89978a6b
BW		 1466static int str_offset_cb(void *data, unsigned long long *__val)
1467{
1468 struct thread_data *td = cb_data_to_td(data);
1469 unsigned long long v = *__val;
1470
1471 if (parse_is_percent(v)) {
1472 td->o.start_offset = 0;
1473 td->o.start_offset_percent = -1ULL - v;
872e0415
JA		 1474 dprint(FD_PARSE, "SET start_offset_percent %d\n",
1475 td->o.start_offset_percent);
89978a6b
BW		 1476 } else
1477 td->o.start_offset = v;
1478
1479 return 0;
1480}
1481
0b288ba1
VF		 1482static int str_offset_increment_cb(void *data, unsigned long long *__val)
1483{
1484 struct thread_data *td = cb_data_to_td(data);
1485 unsigned long long v = *__val;
1486
1487 if (parse_is_percent(v)) {
1488 td->o.offset_increment = 0;
1489 td->o.offset_increment_percent = -1ULL - v;
1490 dprint(FD_PARSE, "SET offset_increment_percent %d\n",
1491 td->o.offset_increment_percent);
1492 } else
1493 td->o.offset_increment = v;
1494
1495 return 0;
1496}
1497
7bb59102
JA		 1498static int str_size_cb(void *data, unsigned long long *__val)
1499{
a609f12a 1500 struct thread_data *td = cb_data_to_td(data);
7bb59102
JA		 1501 unsigned long long v = *__val;
1502
1503 if (parse_is_percent(v)) {
1504 td->o.size = 0;
1505 td->o.size_percent = -1ULL - v;
24e4321c
TK		 1506 dprint(FD_PARSE, "SET size_percent %d\n",
1507 td->o.size_percent);
7bb59102
JA		 1508 } else
1509 td->o.size = v;
1510
1511 return 0;
1512}
1513
8b38f401
AD		 1514static int str_io_size_cb(void *data, unsigned long long *__val)
1515{
1516 struct thread_data *td = cb_data_to_td(data);
1517 unsigned long long v = *__val;
1518
f248a525 1519 if (parse_is_percent_uncapped(v)) {
8b38f401
AD		 1520 td->o.io_size = 0;
1521 td->o.io_size_percent = -1ULL - v;
f248a525
AD		 1522 if (td->o.io_size_percent > 100) {
1523 log_err("fio: io_size values greater than 100%% aren't supported\n");
1524 return 1;
1525 }
8b38f401
AD		 1526 dprint(FD_PARSE, "SET io_size_percent %d\n",
1527 td->o.io_size_percent);
1528 } else
1529 td->o.io_size = v;
1530
1531 return 0;
1532}
1533
dded427c
OS		 1534static int str_write_bw_log_cb(void *data, const char *str)
1535{
1536 struct thread_data *td = cb_data_to_td(data);
1537
1538 if (str)
1539 td->o.bw_log_file = strdup(str);
1540
1541 td->o.write_bw_log = 1;
1542 return 0;
1543}
1544
1545static int str_write_lat_log_cb(void *data, const char *str)
1546{
1547 struct thread_data *td = cb_data_to_td(data);
1548
1549 if (str)
1550 td->o.lat_log_file = strdup(str);
1551
1552 td->o.write_lat_log = 1;
1553 return 0;
1554}
1555
1556static int str_write_iops_log_cb(void *data, const char *str)
1557{
1558 struct thread_data *td = cb_data_to_td(data);
1559
1560 if (str)
1561 td->o.iops_log_file = strdup(str);
1562
1563 td->o.write_iops_log = 1;
1564 return 0;
1565}
1566
1567static int str_write_hist_log_cb(void *data, const char *str)
1568{
1569 struct thread_data *td = cb_data_to_td(data);
1570
1571 if (str)
1572 td->o.hist_log_file = strdup(str);
1573
1574 td->o.write_hist_log = 1;
1575 return 0;
1576}
1577
6730b40f
TK		 1578/*
1579 * str is supposed to be a substring of the strdup'd original string,
1580 * and is valid only if it's a regular file path.
1581 * This function keeps the pointer to the path as needed later.
1582 *
1583 * "external:/path/to/so\0" <- original pointer updated with strdup'd
1584 * "external\0" <- above pointer after parsed, i.e. ->ioengine
1585 * "/path/to/so\0" <- str argument, i.e. ->ioengine_so_path
1586 */
1587static int str_ioengine_external_cb(void *data, const char *str)
1588{
1589 struct thread_data *td = cb_data_to_td(data);
1590 struct stat sb;
1591 char *p;
1592
1593 if (!str) {
1594 log_err("fio: null external ioengine path\n");
1595 return 1;
1596 }
1597
1598 p = (char *)str; /* str is mutable */
1599 strip_blank_front(&p);
1600 strip_blank_end(p);
1601
1602 if (stat(p, &sb) || !S_ISREG(sb.st_mode)) {
1603 log_err("fio: invalid external ioengine path \"%s\"\n", p);
1604 return 1;
1605 }
1606
1607 td->o.ioengine_so_path = p;
1608 return 0;
1609}
1610
9109883a 1611static int rw_verify(const struct fio_option *o, void *data)
896cac2a 1612{
a609f12a 1613 struct thread_data *td = cb_data_to_td(data);
896cac2a 1614
d81d0f99
VF		 1615 if (read_only && (td_write(td) || td_trim(td))) {
1616 log_err("fio: job <%s> has write or trim bit set, but"
1617 " fio is in read-only mode\n", td->o.name);
896cac2a
JA		 1618 return 1;
1619 }
1620
1621 return 0;
1622}
1623
9109883a 1624static int gtod_cpu_verify(const struct fio_option *o, void *data)
29d43ff9 1625{
276ca4f7 1626#ifndef FIO_HAVE_CPU_AFFINITY
a609f12a 1627 struct thread_data *td = cb_data_to_td(data);
29d43ff9 1628
29d43ff9
JA		 1629 if (td->o.gtod_cpu) {
1630 log_err("fio: platform must support CPU affinity for"
1631 "gettimeofday() offloading\n");
1632 return 1;
1633 }
1634#endif
1635
1636 return 0;
1637}
1638
214e1eca
JA		 1639/*
1640 * Map of job/command line options
1641 */
9af4a244 1642struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA		 1643 {
1644 .name = "description",
e8b0e958 1645 .lname = "Description of job",
214e1eca 1646 .type = FIO_OPT_STR_STORE,
a609f12a 1647 .off1 = offsetof(struct thread_options, description),
214e1eca 1648 .help = "Text job description",
e8b0e958 1649 .category = FIO_OPT_C_GENERAL,
0626037e 1650 .group = FIO_OPT_G_DESC,
214e1eca
JA		 1651 },
1652 {
1653 .name = "name",
e8b0e958 1654 .lname = "Job name",
214e1eca 1655 .type = FIO_OPT_STR_STORE,
a609f12a 1656 .off1 = offsetof(struct thread_options, name),
214e1eca 1657 .help = "Name of this job",
e8b0e958 1658 .category = FIO_OPT_C_GENERAL,
0626037e 1659 .group = FIO_OPT_G_DESC,
214e1eca 1660 },
9cc8cb91
AK		 1661 {
1662 .name = "wait_for",
1663 .lname = "Waitee name",
1664 .type = FIO_OPT_STR_STORE,
a609f12a 1665 .off1 = offsetof(struct thread_options, wait_for),
9cc8cb91
AK		 1666 .help = "Name of the job this one wants to wait for before starting",
1667 .category = FIO_OPT_C_GENERAL,
1668 .group = FIO_OPT_G_DESC,
1669 },
214e1eca
JA		 1670 {
1671 .name = "filename",
e8b0e958 1672 .lname = "Filename(s)",
214e1eca 1673 .type = FIO_OPT_STR_STORE,
a609f12a 1674 .off1 = offsetof(struct thread_options, filename),
46576743 1675 .maxlen = PATH_MAX,
214e1eca 1676 .cb = str_filename_cb,
f0d524b0 1677 .prio = -1, /* must come after "directory" */
214e1eca 1678 .help = "File(s) to use for the workload",
e8b0e958 1679 .category = FIO_OPT_C_FILE,
0626037e 1680 .group = FIO_OPT_G_FILENAME,
214e1eca 1681 },
90fef2d1 1682 {
e8b0e958
JA		 1683 .name = "directory",
1684 .lname = "Directory",
1685 .type = FIO_OPT_STR_STORE,
a609f12a 1686 .off1 = offsetof(struct thread_options, directory),
e8b0e958
JA		 1687 .cb = str_directory_cb,
1688 .help = "Directory to store files in",
1689 .category = FIO_OPT_C_FILE,
0626037e 1690 .group = FIO_OPT_G_FILENAME,
90fef2d1 1691 },
de98bd30
JA		 1692 {
1693 .name = "filename_format",
922a5be8 1694 .lname = "Filename Format",
de98bd30 1695 .type = FIO_OPT_STR_STORE,
a609f12a 1696 .off1 = offsetof(struct thread_options, filename_format),
de98bd30
JA		 1697 .prio = -1, /* must come after "directory" */
1698 .help = "Override default $jobname.$jobnum.$filenum naming",
1699 .def = "$jobname.$jobnum.$filenum",
93bb626a
JA		 1700 .category = FIO_OPT_C_FILE,
1701 .group = FIO_OPT_G_FILENAME,
ad705bcb 1702 },
922a5be8
JA		 1703 {
1704 .name = "unique_filename",
1705 .lname = "Unique Filename",
1706 .type = FIO_OPT_BOOL,
a609f12a 1707 .off1 = offsetof(struct thread_options, unique_filename),
922a5be8
JA		 1708 .help = "For network clients, prefix file with source IP",
1709 .def = "1",
1710 .category = FIO_OPT_C_FILE,
1711 .group = FIO_OPT_G_FILENAME,
1712 },
29c1349f
JA		 1713 {
1714 .name = "lockfile",
e8b0e958 1715 .lname = "Lockfile",
4d4e80f2 1716 .type = FIO_OPT_STR,
a609f12a 1717 .off1 = offsetof(struct thread_options, file_lock_mode),
29c1349f 1718 .help = "Lock file when doing IO to it",
bc6a0a5d 1719 .prio = 1,
29c1349f 1720 .parent = "filename",
d71c154c 1721 .hide = 0,
4d4e80f2 1722 .def = "none",
e8b0e958 1723 .category = FIO_OPT_C_FILE,
0626037e 1724 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA		 1725 .posval = {
1726 { .ival = "none",
1727 .oval = FILE_LOCK_NONE,
1728 .help = "No file locking",
1729 },
1730 { .ival = "exclusive",
1731 .oval = FILE_LOCK_EXCLUSIVE,
1732 .help = "Exclusive file lock",
1733 },
1734 {
1735 .ival = "readwrite",
1736 .oval = FILE_LOCK_READWRITE,
1737 .help = "Read vs write lock",
1738 },
1739 },
29c1349f 1740 },
214e1eca
JA		 1741 {
1742 .name = "opendir",
e8b0e958 1743 .lname = "Open directory",
214e1eca 1744 .type = FIO_OPT_STR_STORE,
a609f12a 1745 .off1 = offsetof(struct thread_options, opendir),
214e1eca
JA		 1746 .cb = str_opendir_cb,
1747 .help = "Recursively add files from this directory and down",
e8b0e958 1748 .category = FIO_OPT_C_FILE,
0626037e 1749 .group = FIO_OPT_G_FILENAME,
214e1eca
JA		 1750 },
1751 {
1752 .name = "rw",
e8b0e958 1753 .lname = "Read/write",
d3aad8f2 1754 .alias = "readwrite",
214e1eca 1755 .type = FIO_OPT_STR,
211097b2 1756 .cb = str_rw_cb,
a609f12a 1757 .off1 = offsetof(struct thread_options, td_ddir),
214e1eca
JA		 1758 .help = "IO direction",
1759 .def = "read",
896cac2a 1760 .verify = rw_verify,
e8b0e958 1761 .category = FIO_OPT_C_IO,
0626037e 1762 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1763 .posval = {
1764 { .ival = "read",
1765 .oval = TD_DDIR_READ,
1766 .help = "Sequential read",
1767 },
1768 { .ival = "write",
1769 .oval = TD_DDIR_WRITE,
1770 .help = "Sequential write",
1771 },
6eaf09d6
SL		 1772 { .ival = "trim",
1773 .oval = TD_DDIR_TRIM,
1774 .help = "Sequential trim",
1775 },
214e1eca
JA		 1776 { .ival = "randread",
1777 .oval = TD_DDIR_RANDREAD,
1778 .help = "Random read",
1779 },
1780 { .ival = "randwrite",
1781 .oval = TD_DDIR_RANDWRITE,
1782 .help = "Random write",
1783 },
6eaf09d6
SL		 1784 { .ival = "randtrim",
1785 .oval = TD_DDIR_RANDTRIM,
1786 .help = "Random trim",
1787 },
214e1eca
JA		 1788 { .ival = "rw",
1789 .oval = TD_DDIR_RW,
1790 .help = "Sequential read and write mix",
1791 },
10b023db
JA		 1792 { .ival = "readwrite",
1793 .oval = TD_DDIR_RW,
1794 .help = "Sequential read and write mix",
1795 },
214e1eca
JA		 1796 { .ival = "randrw",
1797 .oval = TD_DDIR_RANDRW,
1798 .help = "Random read and write mix"
1799 },
82a90686
JA		 1800 { .ival = "trimwrite",
1801 .oval = TD_DDIR_TRIMWRITE,
1802 .help = "Trim and write mix, trims preceding writes"
0e4dd95c 1803 },
214e1eca
JA		 1804 },
1805 },
38dad62d
JA		 1806 {
1807 .name = "rw_sequencer",
e8b0e958 1808 .lname = "RW Sequencer",
38dad62d 1809 .type = FIO_OPT_STR,
a609f12a 1810 .off1 = offsetof(struct thread_options, rw_seq),
38dad62d
JA		 1811 .help = "IO offset generator modifier",
1812 .def = "sequential",
e8b0e958 1813 .category = FIO_OPT_C_IO,
0626037e 1814 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA		 1815 .posval = {
1816 { .ival = "sequential",
1817 .oval = RW_SEQ_SEQ,
1818 .help = "Generate sequential offsets",
1819 },
1820 { .ival = "identical",
1821 .oval = RW_SEQ_IDENT,
1822 .help = "Generate identical offsets",
1823 },
1824 },
1825 },
1826
214e1eca
JA		 1827 {
1828 .name = "ioengine",
e8b0e958 1829 .lname = "IO Engine",
214e1eca 1830 .type = FIO_OPT_STR_STORE,
a609f12a 1831 .off1 = offsetof(struct thread_options, ioengine),
214e1eca 1832 .help = "IO engine to use",
58483fa4 1833 .def = FIO_PREFERRED_ENGINE,
e8b0e958 1834 .category = FIO_OPT_C_IO,
0626037e 1835 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1836 .posval = {
1837 { .ival = "sync",
1838 .help = "Use read/write",
1839 },
a31041ea 1840 { .ival = "psync",
1841 .help = "Use pread/pwrite",
1842 },
1d2af02a 1843 { .ival = "vsync",
03e20d68 1844 .help = "Use readv/writev",
1d2af02a 1845 },
07fc0acd
JA		 1846#ifdef CONFIG_PWRITEV
1847 { .ival = "pvsync",
1848 .help = "Use preadv/pwritev",
1849 },
1850#endif
6562685f 1851#ifdef FIO_HAVE_PWRITEV2
2cafffbe
JA		 1852 { .ival = "pvsync2",
1853 .help = "Use preadv2/pwritev2",
1854 },
1855#endif
67bf9823 1856#ifdef CONFIG_LIBAIO
214e1eca
JA		 1857 { .ival = "libaio",
1858 .help = "Linux native asynchronous IO",
1859 },
1860#endif
bffad86f
JA		 1861#ifdef ARCH_HAVE_IOURING
1862 { .ival = "io_uring",
1863 .help = "Fast Linux native aio",
52885fa2
JA		 1864 },
1865#endif
67bf9823 1866#ifdef CONFIG_POSIXAIO
214e1eca
JA		 1867 { .ival = "posixaio",
1868 .help = "POSIX asynchronous IO",
1869 },
417f0068 1870#endif
997843cb 1871#ifdef CONFIG_SOLARISAIO
417f0068
JA		 1872 { .ival = "solarisaio",
1873 .help = "Solaris native asynchronous IO",
1874 },
214e1eca 1875#endif
4700b234 1876#ifdef CONFIG_WINDOWSAIO
03e20d68 1877 { .ival = "windowsaio",
3be80071 1878 .help = "Windows native asynchronous IO"
de890a1e 1879 },
fc5c0345
DG		 1880#endif
1881#ifdef CONFIG_RBD
1882 { .ival = "rbd",
1883 .help = "Rados Block Device asynchronous IO"
1884 },
3be80071 1885#endif
214e1eca 1886 { .ival = "mmap",
03e20d68 1887 .help = "Memory mapped IO"
214e1eca 1888 },
67bf9823 1889#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA		 1890 { .ival = "splice",
1891 .help = "splice/vmsplice based IO",
1892 },
9cce02e8
JA		 1893 { .ival = "netsplice",
1894 .help = "splice/vmsplice to/from the network",
1895 },
214e1eca
JA		 1896#endif
1897#ifdef FIO_HAVE_SGIO
1898 { .ival = "sg",
1899 .help = "SCSI generic v3 IO",
1900 },
1901#endif
1902 { .ival = "null",
1903 .help = "Testing engine (no data transfer)",
1904 },
1905 { .ival = "net",
1906 .help = "Network IO",
1907 },
214e1eca 1908 { .ival = "cpuio",
03e20d68 1909 .help = "CPU cycle burner engine",
214e1eca 1910 },
67bf9823 1911#ifdef CONFIG_RDMA
21b8aee8 1912 { .ival = "rdma",
1913 .help = "RDMA IO engine",
1914 },
8200b8c7 1915#endif
997843cb 1916#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA		 1917 { .ival = "e4defrag",
1918 .help = "ext4 defrag engine",
1919 },
1920#endif
997843cb 1921#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA		 1922 { .ival = "falloc",
1923 .help = "fallocate() file based engine",
1924 },
b8c82a46 1925#endif
a7c386f4 1926#ifdef CONFIG_GFAPI
1927 { .ival = "gfapi",
cc47f094 1928 .help = "Glusterfs libgfapi(sync) based engine"
1929 },
1930 { .ival = "gfapi_async",
1931 .help = "Glusterfs libgfapi(async) based engine"
a7c386f4 1932 },
1933#endif
1b10477b 1934#ifdef CONFIG_LIBHDFS
b74e419e 1935 { .ival = "libhdfs",
1b10477b
MM		 1936 .help = "Hadoop Distributed Filesystem (HDFS) engine"
1937 },
5c4ef02e
JA		 1938#endif
1939#ifdef CONFIG_PMEMBLK
1940 { .ival = "pmemblk",
363a5f65 1941 .help = "PMDK libpmemblk based IO engine",
5c4ef02e
JA		 1942 },
1943
104ee4de 1944#endif
a40e7a59
GB		 1945#ifdef CONFIG_IME
1946 { .ival = "ime_psync",
1947 .help = "DDN's IME synchronous IO engine",
1948 },
1949 { .ival = "ime_psyncv",
1950 .help = "DDN's IME synchronous IO engine using iovecs",
1951 },
1952 { .ival = "ime_aio",
1953 .help = "DDN's IME asynchronous IO engine",
1954 },
1955#endif
104ee4de
DJ		 1956#ifdef CONFIG_LINUX_DEVDAX
1957 { .ival = "dev-dax",
1958 .help = "DAX Device based IO engine",
1959 },
1b10477b 1960#endif
edc5fa12
JA		 1961 {
1962 .ival = "filecreate",
1963 .help = "File creation engine",
1964 },
214e1eca
JA		 1965 { .ival = "external",
1966 .help = "Load external engine (append name)",
6730b40f 1967 .cb = str_ioengine_external_cb,
214e1eca 1968 },
ae0db592
TI		 1969#ifdef CONFIG_LIBPMEM
1970 { .ival = "libpmem",
363a5f65 1971 .help = "PMDK libpmem based IO engine",
ae0db592 1972 },
c2f6a13d
LMB		 1973#endif
1974#ifdef CONFIG_HTTP
1975 { .ival = "http",
1976 .help = "HTTP (WebDAV/S3) IO engine",
1977 },
ae0db592 1978#endif
d643a1e2
RJ		 1979 { .ival = "nbd",
1980 .help = "Network Block Device (NBD) IO engine"
1981 },
214e1eca
JA		 1982 },
1983 },
1984 {
1985 .name = "iodepth",
e8b0e958 1986 .lname = "IO Depth",
214e1eca 1987 .type = FIO_OPT_INT,
a609f12a 1988 .off1 = offsetof(struct thread_options, iodepth),
03e20d68 1989 .help = "Number of IO buffers to keep in flight",
757aff4f 1990 .minval = 1,
20eb06bd 1991 .interval = 1,
214e1eca 1992 .def = "1",
e8b0e958 1993 .category = FIO_OPT_C_IO,
0626037e 1994 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA		 1995 },
1996 {
1997 .name = "iodepth_batch",
e8b0e958 1998 .lname = "IO Depth batch",
4950421a 1999 .alias = "iodepth_batch_submit",
214e1eca 2000 .type = FIO_OPT_INT,
a609f12a 2001 .off1 = offsetof(struct thread_options, iodepth_batch),
d65db441 2002 .help = "Number of IO buffers to submit in one go",
afdf9352 2003 .parent = "iodepth",
d71c154c 2004 .hide = 1,
20eb06bd 2005 .interval = 1,
a2e6f8ac 2006 .def = "1",
e8b0e958 2007 .category = FIO_OPT_C_IO,
0626037e 2008 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA		 2009 },
2010 {
82407585
RP		 2011 .name = "iodepth_batch_complete_min",
2012 .lname = "Min IO depth batch complete",
2013 .alias = "iodepth_batch_complete",
4950421a 2014 .type = FIO_OPT_INT,
a609f12a 2015 .off1 = offsetof(struct thread_options, iodepth_batch_complete_min),
82407585 2016 .help = "Min number of IO buffers to retrieve in one go",
4950421a 2017 .parent = "iodepth",
d71c154c 2018 .hide = 1,
4950421a 2019 .minval = 0,
20eb06bd 2020 .interval = 1,
4950421a 2021 .def = "1",
e8b0e958 2022 .category = FIO_OPT_C_IO,
0626037e 2023 .group = FIO_OPT_G_IO_BASIC,
214e1eca 2024 },
82407585
RP		 2025 {
2026 .name = "iodepth_batch_complete_max",
2027 .lname = "Max IO depth batch complete",
2028 .type = FIO_OPT_INT,
a609f12a 2029 .off1 = offsetof(struct thread_options, iodepth_batch_complete_max),
82407585
RP		 2030 .help = "Max number of IO buffers to retrieve in one go",
2031 .parent = "iodepth",
2032 .hide = 1,
2033 .minval = 0,
2034 .interval = 1,
2035 .category = FIO_OPT_C_IO,
2036 .group = FIO_OPT_G_IO_BASIC,
2037 },
214e1eca
JA		 2038 {
2039 .name = "iodepth_low",
e8b0e958 2040 .lname = "IO Depth batch low",
214e1eca 2041 .type = FIO_OPT_INT,
a609f12a 2042 .off1 = offsetof(struct thread_options, iodepth_low),
214e1eca 2043 .help = "Low water mark for queuing depth",
afdf9352 2044 .parent = "iodepth",
d71c154c 2045 .hide = 1,
20eb06bd 2046 .interval = 1,
e8b0e958 2047 .category = FIO_OPT_C_IO,
0626037e 2048 .group = FIO_OPT_G_IO_BASIC,
214e1eca 2049 },
997b5680
SW		 2050 {
2051 .name = "serialize_overlap",
2052 .lname = "Serialize overlap",
2053 .off1 = offsetof(struct thread_options, serialize_overlap),
2054 .type = FIO_OPT_BOOL,
2055 .help = "Wait for in-flight IOs that collide to complete",
2056 .parent = "iodepth",
2057 .def = "0",
2058 .category = FIO_OPT_C_IO,
2059 .group = FIO_OPT_G_IO_BASIC,
2060 },
a9da8ab2
JA		 2061 {
2062 .name = "io_submit_mode",
2063 .lname = "IO submit mode",
2064 .type = FIO_OPT_STR,
a609f12a 2065 .off1 = offsetof(struct thread_options, io_submit_mode),
a9da8ab2
JA		 2066 .help = "How IO submissions and completions are done",
2067 .def = "inline",
2068 .category = FIO_OPT_C_IO,
2069 .group = FIO_OPT_G_IO_BASIC,
2070 .posval = {
2071 { .ival = "inline",
2072 .oval = IO_MODE_INLINE,
2073 .help = "Submit and complete IO inline",
2074 },
2075 { .ival = "offload",
2076 .oval = IO_MODE_OFFLOAD,
2077 .help = "Offload submit and complete to threads",
2078 },
2079 },
2080 },
214e1eca
JA		 2081 {
2082 .name = "size",
e8b0e958 2083 .lname = "Size",
214e1eca 2084 .type = FIO_OPT_STR_VAL,
7bb59102 2085 .cb = str_size_cb,
a609f12a 2086 .off1 = offsetof(struct thread_options, size),
214e1eca 2087 .help = "Total size of device or files",
20eb06bd 2088 .interval = 1024 * 1024,
e8b0e958
JA		 2089 .category = FIO_OPT_C_IO,
2090 .group = FIO_OPT_G_INVALID,
214e1eca 2091 },
77731b29 2092 {
a4d3b4db
JA		 2093 .name = "io_size",
2094 .alias = "io_limit",
2095 .lname = "IO Size",
77731b29 2096 .type = FIO_OPT_STR_VAL,
8b38f401 2097 .cb = str_io_size_cb,
5be9bf09 2098 .off1 = offsetof(struct thread_options, io_size),
1684f7fd 2099 .help = "Total size of I/O to be performed",
77731b29
JA		 2100 .interval = 1024 * 1024,
2101 .category = FIO_OPT_C_IO,
2102 .group = FIO_OPT_G_INVALID,
2103 },
aa31f1f1
SL		 2104 {
2105 .name = "fill_device",
e8b0e958 2106 .lname = "Fill device",
74586c1e 2107 .alias = "fill_fs",
aa31f1f1 2108 .type = FIO_OPT_BOOL,
a609f12a 2109 .off1 = offsetof(struct thread_options, fill_device),
aa31f1f1
SL		 2110 .help = "Write until an ENOSPC error occurs",
2111 .def = "0",
e8b0e958
JA		 2112 .category = FIO_OPT_C_FILE,
2113 .group = FIO_OPT_G_INVALID,
aa31f1f1 2114 },
214e1eca
JA		 2115 {
2116 .name = "filesize",
e8b0e958 2117 .lname = "File size",
214e1eca 2118 .type = FIO_OPT_STR_VAL,
a609f12a
JA		 2119 .off1 = offsetof(struct thread_options, file_size_low),
2120 .off2 = offsetof(struct thread_options, file_size_high),
c3edbdba 2121 .minval = 1,
214e1eca 2122 .help = "Size of individual files",
20eb06bd 2123 .interval = 1024 * 1024,
e8b0e958
JA		 2124 .category = FIO_OPT_C_FILE,
2125 .group = FIO_OPT_G_INVALID,
214e1eca 2126 },
bedc9dc2
JA		 2127 {
2128 .name = "file_append",
2129 .lname = "File append",
2130 .type = FIO_OPT_BOOL,
a609f12a 2131 .off1 = offsetof(struct thread_options, file_append),
bedc9dc2
JA		 2132 .help = "IO will start at the end of the file(s)",
2133 .def = "0",
2134 .category = FIO_OPT_C_FILE,
2135 .group = FIO_OPT_G_INVALID,
2136 },
67a1000f
JA		 2137 {
2138 .name = "offset",
e8b0e958 2139 .lname = "IO offset",
67a1000f
JA		 2140 .alias = "fileoffset",
2141 .type = FIO_OPT_STR_VAL,
89978a6b 2142 .cb = str_offset_cb,
a609f12a 2143 .off1 = offsetof(struct thread_options, start_offset),
67a1000f
JA		 2144 .help = "Start IO from this offset",
2145 .def = "0",
20eb06bd 2146 .interval = 1024 * 1024,
e8b0e958
JA		 2147 .category = FIO_OPT_C_IO,
2148 .group = FIO_OPT_G_INVALID,
67a1000f 2149 },
83c8b093
JF		 2150 {
2151 .name = "offset_align",
2152 .lname = "IO offset alignment",
2153 .type = FIO_OPT_INT,
2154 .off1 = offsetof(struct thread_options, start_offset_align),
2155 .help = "Start IO from this offset alignment",
2156 .def = "0",
2157 .interval = 512,
2158 .category = FIO_OPT_C_IO,
2159 .group = FIO_OPT_G_INVALID,
2160 },
2d7cd868
JA		 2161 {
2162 .name = "offset_increment",
e8b0e958 2163 .lname = "IO offset increment",
2d7cd868 2164 .type = FIO_OPT_STR_VAL,
0b288ba1 2165 .cb = str_offset_increment_cb,
a609f12a 2166 .off1 = offsetof(struct thread_options, offset_increment),
2d7cd868
JA		 2167 .help = "What is the increment from one offset to the next",
2168 .parent = "offset",
d71c154c 2169 .hide = 1,
2d7cd868 2170 .def = "0",
20eb06bd 2171 .interval = 1024 * 1024,
e8b0e958
JA		 2172 .category = FIO_OPT_C_IO,
2173 .group = FIO_OPT_G_INVALID,
2d7cd868 2174 },
ddf24e42
JA		 2175 {
2176 .name = "number_ios",
2177 .lname = "Number of IOs to perform",
2178 .type = FIO_OPT_STR_VAL,
a609f12a 2179 .off1 = offsetof(struct thread_options, number_ios),
be3fec7d 2180 .help = "Force job completion after this number of IOs",
ddf24e42
JA		 2181 .def = "0",
2182 .category = FIO_OPT_C_IO,
2183 .group = FIO_OPT_G_INVALID,
2184 },
214e1eca
JA		 2185 {
2186 .name = "bs",
e8b0e958 2187 .lname = "Block size",
d3aad8f2 2188 .alias = "blocksize",
5fff9543 2189 .type = FIO_OPT_ULL,
a609f12a
JA		 2190 .off1 = offsetof(struct thread_options, bs[DDIR_READ]),
2191 .off2 = offsetof(struct thread_options, bs[DDIR_WRITE]),
2192 .off3 = offsetof(struct thread_options, bs[DDIR_TRIM]),
c3edbdba 2193 .minval = 1,
214e1eca 2194 .help = "Block size unit",
2b9136a3 2195 .def = "4096",
67a1000f 2196 .parent = "rw",
d71c154c 2197 .hide = 1,
20eb06bd 2198 .interval = 512,
e8b0e958
JA		 2199 .category = FIO_OPT_C_IO,
2200 .group = FIO_OPT_G_INVALID,
214e1eca 2201 },
2b7a01d0
JA		 2202 {
2203 .name = "ba",
e8b0e958 2204 .lname = "Block size align",
2b7a01d0 2205 .alias = "blockalign",
5fff9543 2206 .type = FIO_OPT_ULL,
a609f12a
JA		 2207 .off1 = offsetof(struct thread_options, ba[DDIR_READ]),
2208 .off2 = offsetof(struct thread_options, ba[DDIR_WRITE]),
2209 .off3 = offsetof(struct thread_options, ba[DDIR_TRIM]),
2b7a01d0
JA		 2210 .minval = 1,
2211 .help = "IO block offset alignment",
2212 .parent = "rw",
d71c154c 2213 .hide = 1,
20eb06bd 2214 .interval = 512,
e8b0e958
JA		 2215 .category = FIO_OPT_C_IO,
2216 .group = FIO_OPT_G_INVALID,
2b7a01d0 2217 },
214e1eca
JA		 2218 {
2219 .name = "bsrange",
e8b0e958 2220 .lname = "Block size range",
d3aad8f2 2221 .alias = "blocksize_range",
214e1eca 2222 .type = FIO_OPT_RANGE,
a609f12a
JA		 2223 .off1 = offsetof(struct thread_options, min_bs[DDIR_READ]),
2224 .off2 = offsetof(struct thread_options, max_bs[DDIR_READ]),
2225 .off3 = offsetof(struct thread_options, min_bs[DDIR_WRITE]),
2226 .off4 = offsetof(struct thread_options, max_bs[DDIR_WRITE]),
2227 .off5 = offsetof(struct thread_options, min_bs[DDIR_TRIM]),
2228 .off6 = offsetof(struct thread_options, max_bs[DDIR_TRIM]),
c3edbdba 2229 .minval = 1,
214e1eca 2230 .help = "Set block size range (in more detail than bs)",
67a1000f 2231 .parent = "rw",
d71c154c 2232 .hide = 1,
20eb06bd 2233 .interval = 4096,
e8b0e958
JA		 2234 .category = FIO_OPT_C_IO,
2235 .group = FIO_OPT_G_INVALID,
214e1eca 2236 },
564ca972
JA		 2237 {
2238 .name = "bssplit",
e8b0e958 2239 .lname = "Block size split",
5fff9543 2240 .type = FIO_OPT_STR_ULL,
564ca972 2241 .cb = str_bssplit_cb,
a609f12a 2242 .off1 = offsetof(struct thread_options, bssplit),
564ca972
JA		 2243 .help = "Set a specific mix of block sizes",
2244 .parent = "rw",
d71c154c 2245 .hide = 1,
e8b0e958
JA		 2246 .category = FIO_OPT_C_IO,
2247 .group = FIO_OPT_G_INVALID,
564ca972 2248 },
214e1eca
JA		 2249 {
2250 .name = "bs_unaligned",
e8b0e958 2251 .lname = "Block size unaligned",
d3aad8f2 2252 .alias = "blocksize_unaligned",
214e1eca 2253 .type = FIO_OPT_STR_SET,
a609f12a 2254 .off1 = offsetof(struct thread_options, bs_unaligned),
214e1eca 2255 .help = "Don't sector align IO buffer sizes",
67a1000f 2256 .parent = "rw",
d71c154c 2257 .hide = 1,
e8b0e958
JA		 2258 .category = FIO_OPT_C_IO,
2259 .group = FIO_OPT_G_INVALID,
214e1eca 2260 },
6aca9b3d
JA		 2261 {
2262 .name = "bs_is_seq_rand",
2263 .lname = "Block size division is seq/random (not read/write)",
2264 .type = FIO_OPT_BOOL,
a609f12a 2265 .off1 = offsetof(struct thread_options, bs_is_seq_rand),
86d59660 2266 .help = "Consider any blocksize setting to be sequential,random",
6aca9b3d
JA		 2267 .def = "0",
2268 .parent = "blocksize",
2269 .category = FIO_OPT_C_IO,
2270 .group = FIO_OPT_G_INVALID,
2271 },
214e1eca
JA		 2272 {
2273 .name = "randrepeat",
e8b0e958 2274 .lname = "Random repeatable",
214e1eca 2275 .type = FIO_OPT_BOOL,
a609f12a 2276 .off1 = offsetof(struct thread_options, rand_repeatable),
214e1eca
JA		 2277 .help = "Use repeatable random IO pattern",
2278 .def = "1",
67a1000f 2279 .parent = "rw",
d71c154c 2280 .hide = 1,
e8b0e958 2281 .category = FIO_OPT_C_IO,
3ceb458f 2282 .group = FIO_OPT_G_RANDOM,
214e1eca 2283 },
04778baf
JA		 2284 {
2285 .name = "randseed",
2286 .lname = "The random generator seed",
363cffa7 2287 .type = FIO_OPT_STR_VAL,
a609f12a 2288 .off1 = offsetof(struct thread_options, rand_seed),
04778baf 2289 .help = "Set the random generator seed value",
40fe5e7b 2290 .def = "0x89",
04778baf
JA		 2291 .parent = "rw",
2292 .category = FIO_OPT_C_IO,
2293 .group = FIO_OPT_G_RANDOM,
2294 },
214e1eca
JA		 2295 {
2296 .name = "norandommap",
e8b0e958 2297 .lname = "No randommap",
214e1eca 2298 .type = FIO_OPT_STR_SET,
a609f12a 2299 .off1 = offsetof(struct thread_options, norandommap),
214e1eca 2300 .help = "Accept potential duplicate random blocks",
67a1000f 2301 .parent = "rw",
d71c154c 2302 .hide = 1,
b2452a43 2303 .hide_on_set = 1,
e8b0e958 2304 .category = FIO_OPT_C_IO,
3ceb458f 2305 .group = FIO_OPT_G_RANDOM,
214e1eca 2306 },
2b386d25
JA		 2307 {
2308 .name = "softrandommap",
e8b0e958 2309 .lname = "Soft randommap",
2b386d25 2310 .type = FIO_OPT_BOOL,
a609f12a 2311 .off1 = offsetof(struct thread_options, softrandommap),
f66ab3c8 2312 .help = "Set norandommap if randommap allocation fails",
2b386d25 2313 .parent = "norandommap",
d71c154c 2314 .hide = 1,
2b386d25 2315 .def = "0",
e8b0e958 2316 .category = FIO_OPT_C_IO,
3ceb458f 2317 .group = FIO_OPT_G_RANDOM,
2b386d25 2318 },
8055e41d
JA		 2319 {
2320 .name = "random_generator",
cce2fdfe 2321 .lname = "Random Generator",
8055e41d 2322 .type = FIO_OPT_STR,
a609f12a 2323 .off1 = offsetof(struct thread_options, random_generator),
8055e41d
JA		 2324 .help = "Type of random number generator to use",
2325 .def = "tausworthe",
2326 .posval = {
2327 { .ival = "tausworthe",
2328 .oval = FIO_RAND_GEN_TAUSWORTHE,
2329 .help = "Strong Tausworthe generator",
2330 },
2331 { .ival = "lfsr",
2332 .oval = FIO_RAND_GEN_LFSR,
2333 .help = "Variable length LFSR",
2334 },
c3546b53
JA		 2335 {
2336 .ival = "tausworthe64",
2337 .oval = FIO_RAND_GEN_TAUSWORTHE64,
2338 .help = "64-bit Tausworthe variant",
2339 },
8055e41d 2340 },
48107598
JA		 2341 .category = FIO_OPT_C_IO,
2342 .group = FIO_OPT_G_RANDOM,
8055e41d 2343 },
e25839d4
JA		 2344 {
2345 .name = "random_distribution",
cce2fdfe 2346 .lname = "Random Distribution",
e25839d4 2347 .type = FIO_OPT_STR,
a609f12a 2348 .off1 = offsetof(struct thread_options, random_distribution),
e25839d4
JA		 2349 .cb = str_random_distribution_cb,
2350 .help = "Random offset distribution generator",
2351 .def = "random",
2352 .posval = {
2353 { .ival = "random",
2354 .oval = FIO_RAND_DIST_RANDOM,
2355 .help = "Completely random",
2356 },
2357 { .ival = "zipf",
2358 .oval = FIO_RAND_DIST_ZIPF,
2359 .help = "Zipf distribution",
2360 },
925fee33
JA		 2361 { .ival = "pareto",
2362 .oval = FIO_RAND_DIST_PARETO,
2363 .help = "Pareto distribution",
2364 },
56d9fa4b
JA		 2365 { .ival = "normal",
2366 .oval = FIO_RAND_DIST_GAUSS,
ba2b3b07 2367 .help = "Normal (Gaussian) distribution",
56d9fa4b 2368 },
e0a04ac1
JA		 2369 { .ival = "zoned",
2370 .oval = FIO_RAND_DIST_ZONED,
2371 .help = "Zoned random distribution",
2372 },
59466396
JA		 2373 { .ival = "zoned_abs",
2374 .oval = FIO_RAND_DIST_ZONED_ABS,
2375 .help = "Zoned absolute random distribution",
2376 },
e25839d4 2377 },
48107598
JA		 2378 .category = FIO_OPT_C_IO,
2379 .group = FIO_OPT_G_RANDOM,
e25839d4 2380 },
211c9b89
JA		 2381 {
2382 .name = "percentage_random",
2383 .lname = "Percentage Random",
2384 .type = FIO_OPT_INT,
a609f12a
JA		 2385 .off1 = offsetof(struct thread_options, perc_rand[DDIR_READ]),
2386 .off2 = offsetof(struct thread_options, perc_rand[DDIR_WRITE]),
2387 .off3 = offsetof(struct thread_options, perc_rand[DDIR_TRIM]),
211c9b89
JA		 2388 .maxval = 100,
2389 .help = "Percentage of seq/random mix that should be random",
d9472271 2390 .def = "100,100,100",
211c9b89
JA		 2391 .interval = 5,
2392 .inverse = "percentage_sequential",
2393 .category = FIO_OPT_C_IO,
2394 .group = FIO_OPT_G_RANDOM,
2395 },
2396 {
2397 .name = "percentage_sequential",
2398 .lname = "Percentage Sequential",
d9472271 2399 .type = FIO_OPT_DEPRECATED,
211c9b89
JA		 2400 .category = FIO_OPT_C_IO,
2401 .group = FIO_OPT_G_RANDOM,
2402 },
56e2a5fc
CE		 2403 {
2404 .name = "allrandrepeat",
cce2fdfe 2405 .lname = "All Random Repeat",
56e2a5fc 2406 .type = FIO_OPT_BOOL,
a609f12a 2407 .off1 = offsetof(struct thread_options, allrand_repeatable),
56e2a5fc
CE		 2408 .help = "Use repeatable random numbers for everything",
2409 .def = "0",
a869d9c6
JA		 2410 .category = FIO_OPT_C_IO,
2411 .group = FIO_OPT_G_RANDOM,
56e2a5fc 2412 },
214e1eca
JA		 2413 {
2414 .name = "nrfiles",
e8b0e958 2415 .lname = "Number of files",
d7c8be03 2416 .alias = "nr_files",
214e1eca 2417 .type = FIO_OPT_INT,
a609f12a 2418 .off1 = offsetof(struct thread_options, nr_files),
214e1eca
JA		 2419 .help = "Split job workload between this number of files",
2420 .def = "1",
20eb06bd 2421 .interval = 1,
e8b0e958
JA		 2422 .category = FIO_OPT_C_FILE,
2423 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2424 },
2425 {
2426 .name = "openfiles",
e8b0e958 2427 .lname = "Number of open files",
214e1eca 2428 .type = FIO_OPT_INT,
a609f12a 2429 .off1 = offsetof(struct thread_options, open_files),
214e1eca 2430 .help = "Number of files to keep open at the same time",
e8b0e958
JA		 2431 .category = FIO_OPT_C_FILE,
2432 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2433 },
2434 {
2435 .name = "file_service_type",
e8b0e958 2436 .lname = "File service type",
214e1eca
JA		 2437 .type = FIO_OPT_STR,
2438 .cb = str_fst_cb,
a609f12a 2439 .off1 = offsetof(struct thread_options, file_service_type),
214e1eca
JA		 2440 .help = "How to select which file to service next",
2441 .def = "roundrobin",
e8b0e958
JA		 2442 .category = FIO_OPT_C_FILE,
2443 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2444 .posval = {
2445 { .ival = "random",
2446 .oval = FIO_FSERVICE_RANDOM,
8c07860d
JA		 2447 .help = "Choose a file at random (uniform)",
2448 },
2449 { .ival = "zipf",
2450 .oval = FIO_FSERVICE_ZIPF,
2451 .help = "Zipf randomized",
2452 },
2453 { .ival = "pareto",
2454 .oval = FIO_FSERVICE_PARETO,
2455 .help = "Pareto randomized",
2456 },
dd3503d3
SW		 2457 { .ival = "normal",
2458 .oval = FIO_FSERVICE_GAUSS,
2459 .help = "Normal (Gaussian) randomized",
2460 },
8c07860d
JA		 2461 { .ival = "gauss",
2462 .oval = FIO_FSERVICE_GAUSS,
dd3503d3 2463 .help = "Alias for normal",
214e1eca
JA		 2464 },
2465 { .ival = "roundrobin",
2466 .oval = FIO_FSERVICE_RR,
2467 .help = "Round robin select files",
2468 },
a086c257
JA		 2469 { .ival = "sequential",
2470 .oval = FIO_FSERVICE_SEQ,
2471 .help = "Finish one file before moving to the next",
2472 },
214e1eca 2473 },
67a1000f 2474 .parent = "nrfiles",
d71c154c 2475 .hide = 1,
67a1000f 2476 },
7bc8c2cf
JA		 2477 {
2478 .name = "fallocate",
e8b0e958 2479 .lname = "Fallocate",
a596f047 2480 .type = FIO_OPT_STR,
a609f12a 2481 .off1 = offsetof(struct thread_options, fallocate_mode),
a596f047 2482 .help = "Whether pre-allocation is performed when laying out files",
38ca5f03 2483#ifdef FIO_HAVE_DEFAULT_FALLOCATE
2c3e17be 2484 .def = "native",
38ca5f03
TV		 2485#else
2486 .def = "none",
2487#endif
e8b0e958
JA		 2488 .category = FIO_OPT_C_FILE,
2489 .group = FIO_OPT_G_INVALID,
a596f047
EG		 2490 .posval = {
2491 { .ival = "none",
2492 .oval = FIO_FALLOCATE_NONE,
2493 .help = "Do not pre-allocate space",
2494 },
2c3e17be
SW		 2495 { .ival = "native",
2496 .oval = FIO_FALLOCATE_NATIVE,
2497 .help = "Use native pre-allocation if possible",
2498 },
2499#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2500 { .ival = "posix",
2501 .oval = FIO_FALLOCATE_POSIX,
2502 .help = "Use posix_fallocate()",
2503 },
2c3e17be 2504#endif
97ac992c 2505#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG		 2506 { .ival = "keep",
2507 .oval = FIO_FALLOCATE_KEEP_SIZE,
2508 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
2509 },
7bc8c2cf 2510#endif
38ca5f03
TV		 2511 { .ival = "truncate",
2512 .oval = FIO_FALLOCATE_TRUNCATE,
2513 .help = "Truncate file to final size instead of allocating"
2514 },
a596f047
EG		 2515 /* Compatibility with former boolean values */
2516 { .ival = "0",
2517 .oval = FIO_FALLOCATE_NONE,
2518 .help = "Alias for 'none'",
2519 },
2c3e17be 2520#ifdef CONFIG_POSIX_FALLOCATE
a596f047
EG		 2521 { .ival = "1",
2522 .oval = FIO_FALLOCATE_POSIX,
2523 .help = "Alias for 'posix'",
2524 },
2c3e17be 2525#endif
a596f047
EG		 2526 },
2527 },
67a1000f
JA		 2528 {
2529 .name = "fadvise_hint",
e8b0e958 2530 .lname = "Fadvise hint",
ecb2083d 2531 .type = FIO_OPT_STR,
a609f12a 2532 .off1 = offsetof(struct thread_options, fadvise_hint),
ecb2083d
JA		 2533 .posval = {
2534 { .ival = "0",
2535 .oval = F_ADV_NONE,
c712c97a 2536 .help = "Don't issue fadvise/madvise",
ecb2083d
JA		 2537 },
2538 { .ival = "1",
2539 .oval = F_ADV_TYPE,
2540 .help = "Advise using fio IO pattern",
2541 },
2542 { .ival = "random",
2543 .oval = F_ADV_RANDOM,
2544 .help = "Advise using FADV_RANDOM",
2545 },
2546 { .ival = "sequential",
2547 .oval = F_ADV_SEQUENTIAL,
2548 .help = "Advise using FADV_SEQUENTIAL",
2549 },
2550 },
67a1000f
JA		 2551 .help = "Use fadvise() to advise the kernel on IO pattern",
2552 .def = "1",
e8b0e958
JA		 2553 .category = FIO_OPT_C_FILE,
2554 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2555 },
2556 {
2557 .name = "fsync",
e8b0e958 2558 .lname = "Fsync",
214e1eca 2559 .type = FIO_OPT_INT,
a609f12a 2560 .off1 = offsetof(struct thread_options, fsync_blocks),
214e1eca
JA		 2561 .help = "Issue fsync for writes every given number of blocks",
2562 .def = "0",
20eb06bd 2563 .interval = 1,
e8b0e958
JA		 2564 .category = FIO_OPT_C_FILE,
2565 .group = FIO_OPT_G_INVALID,
214e1eca 2566 },
5f9099ea
JA		 2567 {
2568 .name = "fdatasync",
e8b0e958 2569 .lname = "Fdatasync",
5f9099ea 2570 .type = FIO_OPT_INT,
a609f12a 2571 .off1 = offsetof(struct thread_options, fdatasync_blocks),
5f9099ea
JA		 2572 .help = "Issue fdatasync for writes every given number of blocks",
2573 .def = "0",
20eb06bd 2574 .interval = 1,
e8b0e958
JA		 2575 .category = FIO_OPT_C_FILE,
2576 .group = FIO_OPT_G_INVALID,
5f9099ea 2577 },
1ef2b6be
JA		 2578 {
2579 .name = "write_barrier",
e8b0e958 2580 .lname = "Write barrier",
1ef2b6be 2581 .type = FIO_OPT_INT,
a609f12a 2582 .off1 = offsetof(struct thread_options, barrier_blocks),
1ef2b6be
JA		 2583 .help = "Make every Nth write a barrier write",
2584 .def = "0",
20eb06bd 2585 .interval = 1,
e8b0e958
JA		 2586 .category = FIO_OPT_C_IO,
2587 .group = FIO_OPT_G_INVALID,
1ef2b6be 2588 },
67bf9823 2589#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA		 2590 {
2591 .name = "sync_file_range",
e8b0e958 2592 .lname = "Sync file range",
44f29692
JA		 2593 .posval = {
2594 { .ival = "wait_before",
2595 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
2596 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
ebadc0ce 2597 .orval = 1,
44f29692
JA		 2598 },
2599 { .ival = "write",
2600 .oval = SYNC_FILE_RANGE_WRITE,
2601 .help = "SYNC_FILE_RANGE_WRITE",
ebadc0ce 2602 .orval = 1,
44f29692
JA		 2603 },
2604 {
2605 .ival = "wait_after",
2606 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
2607 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
ebadc0ce 2608 .orval = 1,
44f29692
JA		 2609 },
2610 },
3843deb3 2611 .type = FIO_OPT_STR_MULTI,
44f29692 2612 .cb = str_sfr_cb,
a609f12a 2613 .off1 = offsetof(struct thread_options, sync_file_range),
44f29692 2614 .help = "Use sync_file_range()",
e8b0e958
JA		 2615 .category = FIO_OPT_C_FILE,
2616 .group = FIO_OPT_G_INVALID,
44f29692 2617 },
a275c37a 2618#else
54d0a315 2619 {
a275c37a
JA		 2620 .name = "sync_file_range",
2621 .lname = "Sync file range",
2622 .type = FIO_OPT_UNSUPPORTED,
2623 .help = "Your platform does not support sync_file_range",
2624 },
44f29692 2625#endif
214e1eca
JA		 2626 {
2627 .name = "direct",
e8b0e958 2628 .lname = "Direct I/O",
214e1eca 2629 .type = FIO_OPT_BOOL,
a609f12a 2630 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2631 .help = "Use O_DIRECT IO (negates buffered)",
2632 .def = "0",
a01a1bc5 2633 .inverse = "buffered",
e8b0e958 2634 .category = FIO_OPT_C_IO,
3ceb458f 2635 .group = FIO_OPT_G_IO_TYPE,
214e1eca 2636 },
d01612f3
CM		 2637 {
2638 .name = "atomic",
2639 .lname = "Atomic I/O",
2640 .type = FIO_OPT_BOOL,
a609f12a 2641 .off1 = offsetof(struct thread_options, oatomic),
d01612f3
CM		 2642 .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
2643 .def = "0",
2644 .category = FIO_OPT_C_IO,
2645 .group = FIO_OPT_G_IO_TYPE,
2646 },
214e1eca
JA		 2647 {
2648 .name = "buffered",
e8b0e958 2649 .lname = "Buffered I/O",
214e1eca 2650 .type = FIO_OPT_BOOL,
a609f12a 2651 .off1 = offsetof(struct thread_options, odirect),
214e1eca
JA		 2652 .neg = 1,
2653 .help = "Use buffered IO (negates direct)",
2654 .def = "1",
a01a1bc5 2655 .inverse = "direct",
e8b0e958 2656 .category = FIO_OPT_C_IO,
3ceb458f 2657 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 2658 },
2659 {
2660 .name = "overwrite",
e8b0e958 2661 .lname = "Overwrite",
214e1eca 2662 .type = FIO_OPT_BOOL,
a609f12a 2663 .off1 = offsetof(struct thread_options, overwrite),
214e1eca
JA		 2664 .help = "When writing, set whether to overwrite current data",
2665 .def = "0",
e8b0e958
JA		 2666 .category = FIO_OPT_C_FILE,
2667 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2668 },
2669 {
2670 .name = "loops",
e8b0e958 2671 .lname = "Loops",
214e1eca 2672 .type = FIO_OPT_INT,
a609f12a 2673 .off1 = offsetof(struct thread_options, loops),
214e1eca
JA		 2674 .help = "Number of times to run the job",
2675 .def = "1",
20eb06bd 2676 .interval = 1,
e8b0e958 2677 .category = FIO_OPT_C_GENERAL,
a1f6afec 2678 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2679 },
2680 {
2681 .name = "numjobs",
e8b0e958 2682 .lname = "Number of jobs",
214e1eca 2683 .type = FIO_OPT_INT,
a609f12a 2684 .off1 = offsetof(struct thread_options, numjobs),
214e1eca
JA		 2685 .help = "Duplicate this job this many times",
2686 .def = "1",
20eb06bd 2687 .interval = 1,
e8b0e958 2688 .category = FIO_OPT_C_GENERAL,
a1f6afec 2689 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2690 },
2691 {
2692 .name = "startdelay",
e8b0e958 2693 .lname = "Start delay",
a5737c93 2694 .type = FIO_OPT_STR_VAL_TIME,
a609f12a
JA		 2695 .off1 = offsetof(struct thread_options, start_delay),
2696 .off2 = offsetof(struct thread_options, start_delay_high),
214e1eca
JA		 2697 .help = "Only start job when this period has passed",
2698 .def = "0",
0de5b26f 2699 .is_seconds = 1,
88038bc7 2700 .is_time = 1,
e8b0e958 2701 .category = FIO_OPT_C_GENERAL,
a1f6afec 2702 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA		 2703 },
2704 {
2705 .name = "runtime",
e8b0e958 2706 .lname = "Runtime",
214e1eca
JA		 2707 .alias = "timeout",
2708 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2709 .off1 = offsetof(struct thread_options, timeout),
214e1eca
JA		 2710 .help = "Stop workload when this amount of time has passed",
2711 .def = "0",
0de5b26f 2712 .is_seconds = 1,
88038bc7 2713 .is_time = 1,
e8b0e958 2714 .category = FIO_OPT_C_GENERAL,
a1f6afec 2715 .group = FIO_OPT_G_RUNTIME,
214e1eca 2716 },
cf4464ca
JA		 2717 {
2718 .name = "time_based",
e8b0e958 2719 .lname = "Time based",
cf4464ca 2720 .type = FIO_OPT_STR_SET,
a609f12a 2721 .off1 = offsetof(struct thread_options, time_based),
cf4464ca 2722 .help = "Keep running until runtime/timeout is met",
e8b0e958 2723 .category = FIO_OPT_C_GENERAL,
a1f6afec 2724 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2725 },
62167762
JC		 2726 {
2727 .name = "verify_only",
2728 .lname = "Verify only",
2729 .type = FIO_OPT_STR_SET,
a609f12a 2730 .off1 = offsetof(struct thread_options, verify_only),
62167762
JC		 2731 .help = "Verifies previously written data is still valid",
2732 .category = FIO_OPT_C_GENERAL,
2733 .group = FIO_OPT_G_RUNTIME,
2734 },
721938ae
JA		 2735 {
2736 .name = "ramp_time",
e8b0e958 2737 .lname = "Ramp time",
721938ae 2738 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 2739 .off1 = offsetof(struct thread_options, ramp_time),
721938ae 2740 .help = "Ramp up time before measuring performance",
0de5b26f 2741 .is_seconds = 1,
88038bc7 2742 .is_time = 1,
e8b0e958 2743 .category = FIO_OPT_C_GENERAL,
a1f6afec 2744 .group = FIO_OPT_G_RUNTIME,
721938ae 2745 },
c223da83
JA		 2746 {
2747 .name = "clocksource",
e8b0e958 2748 .lname = "Clock source",
c223da83
JA		 2749 .type = FIO_OPT_STR,
2750 .cb = fio_clock_source_cb,
a609f12a 2751 .off1 = offsetof(struct thread_options, clocksource),
c223da83 2752 .help = "What type of timing source to use",
e8b0e958 2753 .category = FIO_OPT_C_GENERAL,
10860056 2754 .group = FIO_OPT_G_CLOCK,
c223da83 2755 .posval = {
67bf9823 2756#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA		 2757 { .ival = "gettimeofday",
2758 .oval = CS_GTOD,
2759 .help = "Use gettimeofday(2) for timing",
2760 },
67bf9823
JA		 2761#endif
2762#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA		 2763 { .ival = "clock_gettime",
2764 .oval = CS_CGETTIME,
2765 .help = "Use clock_gettime(2) for timing",
2766 },
67bf9823 2767#endif
c223da83
JA		 2768#ifdef ARCH_HAVE_CPU_CLOCK
2769 { .ival = "cpu",
2770 .oval = CS_CPUCLOCK,
2771 .help = "Use CPU private clock",
2772 },
2773#endif
2774 },
2775 },
214e1eca
JA		 2776 {
2777 .name = "mem",
d3aad8f2 2778 .alias = "iomem",
e8b0e958 2779 .lname = "I/O Memory",
214e1eca
JA		 2780 .type = FIO_OPT_STR,
2781 .cb = str_mem_cb,
a609f12a 2782 .off1 = offsetof(struct thread_options, mem_type),
214e1eca
JA		 2783 .help = "Backing type for IO buffers",
2784 .def = "malloc",
e8b0e958
JA		 2785 .category = FIO_OPT_C_IO,
2786 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 2787 .posval = {
2788 { .ival = "malloc",
2789 .oval = MEM_MALLOC,
2790 .help = "Use malloc(3) for IO buffers",
2791 },
c8931876 2792#ifndef CONFIG_NO_SHM
37c8cdfe
JA		 2793 { .ival = "shm",
2794 .oval = MEM_SHM,
2795 .help = "Use shared memory segments for IO buffers",
2796 },
214e1eca
JA		 2797#ifdef FIO_HAVE_HUGETLB
2798 { .ival = "shmhuge",
2799 .oval = MEM_SHMHUGE,
2800 .help = "Like shm, but use huge pages",
2801 },
c8931876 2802#endif
b370e46a 2803#endif
37c8cdfe
JA		 2804 { .ival = "mmap",
2805 .oval = MEM_MMAP,
2806 .help = "Use mmap(2) (file or anon) for IO buffers",
2807 },
217b0f1d
LG		 2808 { .ival = "mmapshared",
2809 .oval = MEM_MMAPSHARED,
2810 .help = "Like mmap, but use the shared flag",
2811 },
214e1eca
JA		 2812#ifdef FIO_HAVE_HUGETLB
2813 { .ival = "mmaphuge",
2814 .oval = MEM_MMAPHUGE,
2815 .help = "Like mmap, but use huge pages",
2816 },
03553853
YR		 2817#endif
2818#ifdef CONFIG_CUDA
2819 { .ival = "cudamalloc",
2820 .oval = MEM_CUDA_MALLOC,
2821 .help = "Allocate GPU device memory for GPUDirect RDMA",
2822 },
214e1eca
JA		 2823#endif
2824 },
2825 },
d529ee19
JA		 2826 {
2827 .name = "iomem_align",
2828 .alias = "mem_align",
e8b0e958 2829 .lname = "I/O memory alignment",
d529ee19 2830 .type = FIO_OPT_INT,
a609f12a 2831 .off1 = offsetof(struct thread_options, mem_align),
d529ee19
JA		 2832 .minval = 0,
2833 .help = "IO memory buffer offset alignment",
2834 .def = "0",
2835 .parent = "iomem",
d71c154c 2836 .hide = 1,
e8b0e958
JA		 2837 .category = FIO_OPT_C_IO,
2838 .group = FIO_OPT_G_INVALID,
d529ee19 2839 },
214e1eca
JA		 2840 {
2841 .name = "verify",
e8b0e958 2842 .lname = "Verify",
214e1eca 2843 .type = FIO_OPT_STR,
a609f12a 2844 .off1 = offsetof(struct thread_options, verify),
214e1eca
JA		 2845 .help = "Verify data written",
2846 .def = "0",
e8b0e958 2847 .category = FIO_OPT_C_IO,
3ceb458f 2848 .group = FIO_OPT_G_VERIFY,
214e1eca
JA		 2849 .posval = {
2850 { .ival = "0",
2851 .oval = VERIFY_NONE,
2852 .help = "Don't do IO verification",
2853 },
fcca4b58
JA		 2854 { .ival = "md5",
2855 .oval = VERIFY_MD5,
2856 .help = "Use md5 checksums for verification",
2857 },
d77a7af3
JA		 2858 { .ival = "crc64",
2859 .oval = VERIFY_CRC64,
2860 .help = "Use crc64 checksums for verification",
2861 },
214e1eca
JA		 2862 { .ival = "crc32",
2863 .oval = VERIFY_CRC32,
2864 .help = "Use crc32 checksums for verification",
2865 },
af497e6a 2866 { .ival = "crc32c-intel",
e3aaafc4
JA		 2867 .oval = VERIFY_CRC32C,
2868 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2869 },
bac39e0e
JA		 2870 { .ival = "crc32c",
2871 .oval = VERIFY_CRC32C,
e3aaafc4 2872 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2873 },
969f7ed3
JA		 2874 { .ival = "crc16",
2875 .oval = VERIFY_CRC16,
2876 .help = "Use crc16 checksums for verification",
2877 },
1e154bdb
JA		 2878 { .ival = "crc7",
2879 .oval = VERIFY_CRC7,
2880 .help = "Use crc7 checksums for verification",
2881 },
7c353ceb
JA		 2882 { .ival = "sha1",
2883 .oval = VERIFY_SHA1,
2884 .help = "Use sha1 checksums for verification",
2885 },
cd14cc10
JA		 2886 { .ival = "sha256",
2887 .oval = VERIFY_SHA256,
2888 .help = "Use sha256 checksums for verification",
2889 },
2890 { .ival = "sha512",
2891 .oval = VERIFY_SHA512,
2892 .help = "Use sha512 checksums for verification",
ae3a5acc
JA		 2893 },
2894 { .ival = "sha3-224",
2895 .oval = VERIFY_SHA3_224,
2896 .help = "Use sha3-224 checksums for verification",
2897 },
2898 { .ival = "sha3-256",
2899 .oval = VERIFY_SHA3_256,
2900 .help = "Use sha3-256 checksums for verification",
2901 },
2902 { .ival = "sha3-384",
2903 .oval = VERIFY_SHA3_384,
2904 .help = "Use sha3-384 checksums for verification",
2905 },
2906 { .ival = "sha3-512",
2907 .oval = VERIFY_SHA3_512,
2908 .help = "Use sha3-512 checksums for verification",
cd14cc10 2909 },
844ea602
JA		 2910 { .ival = "xxhash",
2911 .oval = VERIFY_XXHASH,
2912 .help = "Use xxhash checksums for verification",
2913 },
b638d82f
RP		 2914 /* Meta information was included into verify_header,
2915 * 'meta' verification is implied by default. */
7437ee87 2916 { .ival = "meta",
b638d82f
RP		 2917 .oval = VERIFY_HDR_ONLY,
2918 .help = "Use io information for verification. "
2919 "Now is implied by default, thus option is obsolete, "
2920 "don't use it",
7437ee87 2921 },
59245381
JA		 2922 { .ival = "pattern",
2923 .oval = VERIFY_PATTERN_NO_HDR,
2924 .help = "Verify strict pattern",
2925 },
36690c9b
JA		 2926 {
2927 .ival = "null",
2928 .oval = VERIFY_NULL,
2929 .help = "Pretend to verify",
2930 },
214e1eca
JA		 2931 },
2932 },
005c565a
JA		 2933 {
2934 .name = "do_verify",
e8b0e958 2935 .lname = "Perform verify step",
68e1f29a 2936 .type = FIO_OPT_BOOL,
a609f12a 2937 .off1 = offsetof(struct thread_options, do_verify),
005c565a
JA		 2938 .help = "Run verification stage after write",
2939 .def = "1",
2940 .parent = "verify",
d71c154c 2941 .hide = 1,
e8b0e958
JA		 2942 .category = FIO_OPT_C_IO,
2943 .group = FIO_OPT_G_VERIFY,
005c565a 2944 },
160b966d
JA		 2945 {
2946 .name = "verifysort",
e8b0e958 2947 .lname = "Verify sort",
f31feaa2 2948 .type = FIO_OPT_SOFT_DEPRECATED,
e8b0e958
JA		 2949 .category = FIO_OPT_C_IO,
2950 .group = FIO_OPT_G_VERIFY,
160b966d 2951 },
1ae83d45
JA		 2952 {
2953 .name = "verifysort_nr",
cce2fdfe 2954 .lname = "Verify Sort Nr",
f31feaa2 2955 .type = FIO_OPT_SOFT_DEPRECATED,
836fcc0f
JA		 2956 .category = FIO_OPT_C_IO,
2957 .group = FIO_OPT_G_VERIFY,
1ae83d45 2958 },
3f9f4e26 2959 {
a59e170d 2960 .name = "verify_interval",
e8b0e958 2961 .lname = "Verify interval",
e01b22b8 2962 .type = FIO_OPT_INT,
a609f12a 2963 .off1 = offsetof(struct thread_options, verify_interval),
819a9680 2964 .minval = 2 * sizeof(struct verify_header),
a59e170d 2965 .help = "Store verify buffer header every N bytes",
afdf9352 2966 .parent = "verify",
d71c154c 2967 .hide = 1,
20eb06bd 2968 .interval = 2 * sizeof(struct verify_header),
e8b0e958
JA		 2969 .category = FIO_OPT_C_IO,
2970 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2971 },
546a9142 2972 {
a59e170d 2973 .name = "verify_offset",
e8b0e958 2974 .lname = "Verify offset",
e01b22b8 2975 .type = FIO_OPT_INT,
a59e170d 2976 .help = "Offset verify header location by N bytes",
a609f12a 2977 .off1 = offsetof(struct thread_options, verify_offset),
203160d5 2978 .minval = sizeof(struct verify_header),
afdf9352 2979 .parent = "verify",
d71c154c 2980 .hide = 1,
e8b0e958
JA		 2981 .category = FIO_OPT_C_IO,
2982 .group = FIO_OPT_G_VERIFY,
546a9142 2983 },
e28218f3
SL		 2984 {
2985 .name = "verify_pattern",
e8b0e958 2986 .lname = "Verify pattern",
0e92f873 2987 .type = FIO_OPT_STR,
e28218f3 2988 .cb = str_verify_pattern_cb,
a609f12a 2989 .off1 = offsetof(struct thread_options, verify_pattern),
e28218f3
SL		 2990 .help = "Fill pattern for IO buffers",
2991 .parent = "verify",
d71c154c 2992 .hide = 1,
e8b0e958
JA		 2993 .category = FIO_OPT_C_IO,
2994 .group = FIO_OPT_G_VERIFY,
e28218f3 2995 },
a12a3b4d
JA		 2996 {
2997 .name = "verify_fatal",
e8b0e958 2998 .lname = "Verify fatal",
68e1f29a 2999 .type = FIO_OPT_BOOL,
a609f12a 3000 .off1 = offsetof(struct thread_options, verify_fatal),
a12a3b4d
JA		 3001 .def = "0",
3002 .help = "Exit on a single verify failure, don't continue",
3003 .parent = "verify",
d71c154c 3004 .hide = 1,
e8b0e958
JA		 3005 .category = FIO_OPT_C_IO,
3006 .group = FIO_OPT_G_VERIFY,
a12a3b4d 3007 },
b463e936
JA		 3008 {
3009 .name = "verify_dump",
e8b0e958 3010 .lname = "Verify dump",
b463e936 3011 .type = FIO_OPT_BOOL,
a609f12a 3012 .off1 = offsetof(struct thread_options, verify_dump),
ef71e317 3013 .def = "0",
b463e936
JA		 3014 .help = "Dump contents of good and bad blocks on failure",
3015 .parent = "verify",
d71c154c 3016 .hide = 1,
e8b0e958
JA		 3017 .category = FIO_OPT_C_IO,
3018 .group = FIO_OPT_G_VERIFY,
b463e936 3019 },
e8462bd8
JA		 3020 {
3021 .name = "verify_async",
e8b0e958 3022 .lname = "Verify asynchronously",
e8462bd8 3023 .type = FIO_OPT_INT,
a609f12a 3024 .off1 = offsetof(struct thread_options, verify_async),
e8462bd8
JA		 3025 .def = "0",
3026 .help = "Number of async verifier threads to use",
3027 .parent = "verify",
d71c154c 3028 .hide = 1,
e8b0e958
JA		 3029 .category = FIO_OPT_C_IO,
3030 .group = FIO_OPT_G_VERIFY,
e8462bd8 3031 },
9e144189
JA		 3032 {
3033 .name = "verify_backlog",
e8b0e958 3034 .lname = "Verify backlog",
9e144189 3035 .type = FIO_OPT_STR_VAL,
a609f12a 3036 .off1 = offsetof(struct thread_options, verify_backlog),
9e144189
JA		 3037 .help = "Verify after this number of blocks are written",
3038 .parent = "verify",
d71c154c 3039 .hide = 1,
e8b0e958
JA		 3040 .category = FIO_OPT_C_IO,
3041 .group = FIO_OPT_G_VERIFY,
9e144189
JA		 3042 },
3043 {
3044 .name = "verify_backlog_batch",
e8b0e958 3045 .lname = "Verify backlog batch",
9e144189 3046 .type = FIO_OPT_INT,
a609f12a 3047 .off1 = offsetof(struct thread_options, verify_batch),
9e144189 3048 .help = "Verify this number of IO blocks",
0d29de83 3049 .parent = "verify",
d71c154c 3050 .hide = 1,
e8b0e958
JA		 3051 .category = FIO_OPT_C_IO,
3052 .group = FIO_OPT_G_VERIFY,
9e144189 3053 },
e8462bd8
JA		 3054#ifdef FIO_HAVE_CPU_AFFINITY
3055 {
3056 .name = "verify_async_cpus",
e8b0e958 3057 .lname = "Async verify CPUs",
e8462bd8
JA		 3058 .type = FIO_OPT_STR,
3059 .cb = str_verify_cpus_allowed_cb,
a609f12a 3060 .off1 = offsetof(struct thread_options, verify_cpumask),
e8462bd8
JA		 3061 .help = "Set CPUs allowed for async verify threads",
3062 .parent = "verify_async",
d71c154c 3063 .hide = 1,
e8b0e958
JA		 3064 .category = FIO_OPT_C_IO,
3065 .group = FIO_OPT_G_VERIFY,
e8462bd8 3066 },
a275c37a
JA		 3067#else
3068 {
3069 .name = "verify_async_cpus",
3070 .lname = "Async verify CPUs",
3071 .type = FIO_OPT_UNSUPPORTED,
54d0a315 3072 .help = "Your platform does not support CPU affinities",
a275c37a 3073 },
0d29de83 3074#endif
51aa2da8
JA		 3075 {
3076 .name = "experimental_verify",
cce2fdfe 3077 .lname = "Experimental Verify",
a609f12a 3078 .off1 = offsetof(struct thread_options, experimental_verify),
51aa2da8 3079 .type = FIO_OPT_BOOL,
b31eaac9 3080 .help = "Enable experimental verification",
ca09be4b
JA		 3081 .parent = "verify",
3082 .category = FIO_OPT_C_IO,
3083 .group = FIO_OPT_G_VERIFY,
3084 },
3085 {
3086 .name = "verify_state_load",
3087 .lname = "Load verify state",
a609f12a 3088 .off1 = offsetof(struct thread_options, verify_state),
ca09be4b
JA		 3089 .type = FIO_OPT_BOOL,
3090 .help = "Load verify termination state",
3091 .parent = "verify",
3092 .category = FIO_OPT_C_IO,
3093 .group = FIO_OPT_G_VERIFY,
3094 },
3095 {
3096 .name = "verify_state_save",
3097 .lname = "Save verify state",
a609f12a 3098 .off1 = offsetof(struct thread_options, verify_state_save),
ca09be4b
JA		 3099 .type = FIO_OPT_BOOL,
3100 .def = "1",
3101 .help = "Save verify state on termination",
3102 .parent = "verify",
836fcc0f
JA		 3103 .category = FIO_OPT_C_IO,
3104 .group = FIO_OPT_G_VERIFY,
51aa2da8 3105 },
0d29de83
JA		 3106#ifdef FIO_HAVE_TRIM
3107 {
3108 .name = "trim_percentage",
e8b0e958 3109 .lname = "Trim percentage",
0d29de83 3110 .type = FIO_OPT_INT,
a609f12a 3111 .off1 = offsetof(struct thread_options, trim_percentage),
20eb06bd 3112 .minval = 0,
0d29de83 3113 .maxval = 100,
169c098d 3114 .help = "Number of verify blocks to trim (i.e., discard)",
0d29de83
JA		 3115 .parent = "verify",
3116 .def = "0",
20eb06bd 3117 .interval = 1,
d71c154c 3118 .hide = 1,
e8b0e958
JA		 3119 .category = FIO_OPT_C_IO,
3120 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3121 },
3122 {
3123 .name = "trim_verify_zero",
e8b0e958 3124 .lname = "Verify trim zero",
20eb06bd 3125 .type = FIO_OPT_BOOL,
169c098d 3126 .help = "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
a609f12a 3127 .off1 = offsetof(struct thread_options, trim_zero),
0d29de83 3128 .parent = "trim_percentage",
d71c154c 3129 .hide = 1,
0d29de83 3130 .def = "1",
e8b0e958
JA		 3131 .category = FIO_OPT_C_IO,
3132 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3133 },
3134 {
3135 .name = "trim_backlog",
e8b0e958 3136 .lname = "Trim backlog",
0d29de83 3137 .type = FIO_OPT_STR_VAL,
a609f12a 3138 .off1 = offsetof(struct thread_options, trim_backlog),
0d29de83
JA		 3139 .help = "Trim after this number of blocks are written",
3140 .parent = "trim_percentage",
d71c154c 3141 .hide = 1,
20eb06bd 3142 .interval = 1,
e8b0e958
JA		 3143 .category = FIO_OPT_C_IO,
3144 .group = FIO_OPT_G_TRIM,
0d29de83
JA		 3145 },
3146 {
3147 .name = "trim_backlog_batch",
e8b0e958 3148 .lname = "Trim backlog batch",
0d29de83 3149 .type = FIO_OPT_INT,
a609f12a 3150 .off1 = offsetof(struct thread_options, trim_batch),
0d29de83
JA		 3151 .help = "Trim this number of IO blocks",
3152 .parent = "trim_percentage",
d71c154c 3153 .hide = 1,
20eb06bd 3154 .interval = 1,
e8b0e958
JA		 3155 .category = FIO_OPT_C_IO,
3156 .group = FIO_OPT_G_TRIM,
0d29de83 3157 },
a275c37a
JA		 3158#else
3159 {
3160 .name = "trim_percentage",
3161 .lname = "Trim percentage",
3162 .type = FIO_OPT_UNSUPPORTED,
3163 .help = "Fio does not support TRIM on your platform",
3164 },
3165 {
3166 .name = "trim_verify_zero",
3167 .lname = "Verify trim zero",
3168 .type = FIO_OPT_UNSUPPORTED,
3169 .help = "Fio does not support TRIM on your platform",
3170 },
3171 {
3172 .name = "trim_backlog",
3173 .lname = "Trim backlog",
3174 .type = FIO_OPT_UNSUPPORTED,
3175 .help = "Fio does not support TRIM on your platform",
3176 },
3177 {
3178 .name = "trim_backlog_batch",
3179 .lname = "Trim backlog batch",
3180 .type = FIO_OPT_UNSUPPORTED,
3181 .help = "Fio does not support TRIM on your platform",
3182 },
e8462bd8 3183#endif
214e1eca
JA		 3184 {
3185 .name = "write_iolog",
e8b0e958 3186 .lname = "Write I/O log",
214e1eca 3187 .type = FIO_OPT_STR_STORE,
a609f12a 3188 .off1 = offsetof(struct thread_options, write_iolog_file),
214e1eca 3189 .help = "Store IO pattern to file",
e8b0e958
JA		 3190 .category = FIO_OPT_C_IO,
3191 .group = FIO_OPT_G_IOLOG,
214e1eca
JA		 3192 },
3193 {
3194 .name = "read_iolog",
e8b0e958 3195 .lname = "Read I/O log",
214e1eca 3196 .type = FIO_OPT_STR_STORE,
a609f12a 3197 .off1 = offsetof(struct thread_options, read_iolog_file),
214e1eca 3198 .help = "Playback IO pattern from file",
e8b0e958
JA		 3199 .category = FIO_OPT_C_IO,
3200 .group = FIO_OPT_G_IOLOG,
214e1eca 3201 },
98e7161c
AK		 3202 {
3203 .name = "read_iolog_chunked",
3204 .lname = "Read I/O log in parts",
3205 .type = FIO_OPT_BOOL,
3206 .off1 = offsetof(struct thread_options, read_iolog_chunked),
3207 .def = "0",
3208 .parent = "read_iolog",
3209 .help = "Parse IO pattern in chunks",
3210 .category = FIO_OPT_C_IO,
3211 .group = FIO_OPT_G_IOLOG,
3212 },
64bbb865
DN		 3213 {
3214 .name = "replay_no_stall",
e8b0e958 3215 .lname = "Don't stall on replay",
20eb06bd 3216 .type = FIO_OPT_BOOL,
a609f12a 3217 .off1 = offsetof(struct thread_options, no_stall),
64bbb865 3218 .def = "0",
87e7a972 3219 .parent = "read_iolog",
d71c154c 3220 .hide = 1,
64bbb865 3221 .help = "Playback IO pattern file as fast as possible without stalls",
e8b0e958
JA		 3222 .category = FIO_OPT_C_IO,
3223 .group = FIO_OPT_G_IOLOG,
64bbb865 3224 },
d1c46c04
DN		 3225 {
3226 .name = "replay_redirect",
e8b0e958 3227 .lname = "Redirect device for replay",
d1c46c04 3228 .type = FIO_OPT_STR_STORE,
a609f12a 3229 .off1 = offsetof(struct thread_options, replay_redirect),
d1c46c04 3230 .parent = "read_iolog",
d71c154c 3231 .hide = 1,
d1c46c04 3232 .help = "Replay all I/O onto this device, regardless of trace device",
e8b0e958
JA		 3233 .category = FIO_OPT_C_IO,
3234 .group = FIO_OPT_G_IOLOG,
d1c46c04 3235 },
0c63576e
JA		 3236 {
3237 .name = "replay_scale",
3238 .lname = "Replace offset scale factor",
3239 .type = FIO_OPT_INT,
a609f12a 3240 .off1 = offsetof(struct thread_options, replay_scale),
0c63576e
JA		 3241 .parent = "read_iolog",
3242 .def = "1",
3243 .help = "Align offsets to this blocksize",
3244 .category = FIO_OPT_C_IO,
3245 .group = FIO_OPT_G_IOLOG,
3246 },
3247 {
3248 .name = "replay_align",
3249 .lname = "Replace alignment",
3250 .type = FIO_OPT_INT,
a609f12a 3251 .off1 = offsetof(struct thread_options, replay_align),
0c63576e
JA		 3252 .parent = "read_iolog",
3253 .help = "Scale offset down by this factor",
3254 .category = FIO_OPT_C_IO,
3255 .group = FIO_OPT_G_IOLOG,
3256 .pow2 = 1,
3257 },
6dd7fa77
JA		 3258 {
3259 .name = "replay_time_scale",
3260 .lname = "Replay Time Scale",
3261 .type = FIO_OPT_INT,
3262 .off1 = offsetof(struct thread_options, replay_time_scale),
3263 .def = "100",
3264 .minval = 1,
3265 .parent = "read_iolog",
3266 .hide = 1,
3267 .help = "Scale time for replay events",
3268 .category = FIO_OPT_C_IO,
3269 .group = FIO_OPT_G_IOLOG,
3270 },
d7235efb
JA		 3271 {
3272 .name = "replay_skip",
3273 .lname = "Replay Skip",
3274 .type = FIO_OPT_STR,
3275 .cb = str_replay_skip_cb,
3276 .off1 = offsetof(struct thread_options, replay_skip),
3277 .parent = "read_iolog",
3278 .help = "Skip certain IO types (read,write,trim,flush)",
3279 .category = FIO_OPT_C_IO,
3280 .group = FIO_OPT_G_IOLOG,
3281 },
b9921d1a
DZ		 3282 {
3283 .name = "merge_blktrace_file",
3284 .lname = "Merged blktrace output filename",
3285 .type = FIO_OPT_STR_STORE,
3286 .off1 = offsetof(struct thread_options, merge_blktrace_file),
3287 .help = "Merged blktrace output filename",
3288 .category = FIO_OPT_C_IO,
3289 .group = FIO_OPT_G_IOLOG,
3290 },
87a48ada
DZ		 3291 {
3292 .name = "merge_blktrace_scalars",
3293 .lname = "Percentage to scale each trace",
3294 .type = FIO_OPT_FLOAT_LIST,
3295 .off1 = offsetof(struct thread_options, merge_blktrace_scalars),
3296 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3297 .help = "Percentage to scale each trace",
3298 .category = FIO_OPT_C_IO,
3299 .group = FIO_OPT_G_IOLOG,
3300 },
55bfd8c8
DZ		 3301 {
3302 .name = "merge_blktrace_iters",
3303 .lname = "Number of iterations to run per trace",
3304 .type = FIO_OPT_FLOAT_LIST,
3305 .off1 = offsetof(struct thread_options, merge_blktrace_iters),
3306 .maxlen = FIO_IO_U_LIST_MAX_LEN,
3307 .help = "Number of iterations to run per trace",
3308 .category = FIO_OPT_C_IO,
3309 .group = FIO_OPT_G_IOLOG,
3310 },
214e1eca
JA		 3311 {
3312 .name = "exec_prerun",
e8b0e958 3313 .lname = "Pre-execute runnable",
214e1eca 3314 .type = FIO_OPT_STR_STORE,
a609f12a 3315 .off1 = offsetof(struct thread_options, exec_prerun),
214e1eca 3316 .help = "Execute this file prior to running job",
e8b0e958
JA		 3317 .category = FIO_OPT_C_GENERAL,
3318 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3319 },
3320 {
3321 .name = "exec_postrun",
e8b0e958 3322 .lname = "Post-execute runnable",
214e1eca 3323 .type = FIO_OPT_STR_STORE,
a609f12a 3324 .off1 = offsetof(struct thread_options, exec_postrun),
214e1eca 3325 .help = "Execute this file after running job",
e8b0e958
JA		 3326 .category = FIO_OPT_C_GENERAL,
3327 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3328 },
3329#ifdef FIO_HAVE_IOSCHED_SWITCH
3330 {
3331 .name = "ioscheduler",
e8b0e958 3332 .lname = "I/O scheduler",
214e1eca 3333 .type = FIO_OPT_STR_STORE,
a609f12a 3334 .off1 = offsetof(struct thread_options, ioscheduler),
214e1eca 3335 .help = "Use this IO scheduler on the backing device",
e8b0e958
JA		 3336 .category = FIO_OPT_C_FILE,
3337 .group = FIO_OPT_G_INVALID,
214e1eca 3338 },
a275c37a
JA		 3339#else
3340 {
3341 .name = "ioscheduler",
3342 .lname = "I/O scheduler",
3343 .type = FIO_OPT_UNSUPPORTED,
3344 .help = "Your platform does not support IO scheduler switching",
3345 },
214e1eca 3346#endif
7b865a2f
BVA		 3347 {
3348 .name = "zonemode",
3349 .lname = "Zone mode",
3350 .help = "Mode for the zonesize, zonerange and zoneskip parameters",
3351 .type = FIO_OPT_STR,
3352 .off1 = offsetof(struct thread_options, zone_mode),
3353 .def = "none",
3354 .category = FIO_OPT_C_IO,
3355 .group = FIO_OPT_G_ZONE,
3356 .posval = {
3357 { .ival = "none",
3358 .oval = ZONE_MODE_NONE,
3359 .help = "no zoning",
3360 },
3361 { .ival = "strided",
3362 .oval = ZONE_MODE_STRIDED,
3363 .help = "strided mode - random I/O is restricted to a single zone",
3364 },
3365 { .ival = "zbd",
3366 .oval = ZONE_MODE_ZBD,
3367 .help = "zoned block device mode - random I/O selects one of multiple zones randomly",
3368 },
3369 },
3370 },
214e1eca
JA		 3371 {
3372 .name = "zonesize",
e8b0e958 3373 .lname = "Zone size",
214e1eca 3374 .type = FIO_OPT_STR_VAL,
a609f12a 3375 .off1 = offsetof(struct thread_options, zone_size),
ed335855
SN		 3376 .help = "Amount of data to read per zone",
3377 .def = "0",
20eb06bd 3378 .interval = 1024 * 1024,
e8b0e958
JA		 3379 .category = FIO_OPT_C_IO,
3380 .group = FIO_OPT_G_ZONE,
ed335855 3381 },
b8dd9750
HH		 3382 {
3383 .name = "zonecapacity",
3384 .lname = "Zone capacity",
3385 .type = FIO_OPT_STR_VAL,
3386 .off1 = offsetof(struct thread_options, zone_capacity),
3387 .help = "Capacity per zone",
3388 .def = "0",
3389 .interval = 1024 * 1024,
3390 .category = FIO_OPT_C_IO,
3391 .group = FIO_OPT_G_ZONE,
3392 },
ed335855
SN		 3393 {
3394 .name = "zonerange",
e8b0e958 3395 .lname = "Zone range",
ed335855 3396 .type = FIO_OPT_STR_VAL,
a609f12a 3397 .off1 = offsetof(struct thread_options, zone_range),
214e1eca
JA		 3398 .help = "Give size of an IO zone",
3399 .def = "0",
20eb06bd 3400 .interval = 1024 * 1024,
e8b0e958
JA		 3401 .category = FIO_OPT_C_IO,
3402 .group = FIO_OPT_G_ZONE,
214e1eca
JA		 3403 },
3404 {
3405 .name = "zoneskip",
e8b0e958 3406 .lname = "Zone skip",
214e1eca 3407 .type = FIO_OPT_STR_VAL,
a609f12a 3408 .off1 = offsetof(struct thread_options, zone_skip),
214e1eca
JA		 3409 .help = "Space between IO zones",
3410 .def = "0",
20eb06bd 3411 .interval = 1024 * 1024,
e8b0e958
JA		 3412 .category = FIO_OPT_C_IO,
3413 .group = FIO_OPT_G_ZONE,
214e1eca 3414 },
bfbdd35b
BVA		 3415 {
3416 .name = "read_beyond_wp",
3417 .lname = "Allow reads beyond the zone write pointer",
3418 .type = FIO_OPT_BOOL,
3419 .off1 = offsetof(struct thread_options, read_beyond_wp),
3420 .help = "Allow reads beyond the zone write pointer",
3421 .def = "0",
3422 .category = FIO_OPT_C_IO,
3423 .group = FIO_OPT_G_INVALID,
3424 },
59b07544
BVA		 3425 {
3426 .name = "max_open_zones",
219c662d 3427 .lname = "Per device/file maximum number of open zones",
59b07544
BVA		 3428 .type = FIO_OPT_INT,
3429 .off1 = offsetof(struct thread_options, max_open_zones),
b7694961 3430 .maxval = ZBD_MAX_OPEN_ZONES,
219c662d
AD		 3431 .help = "Limit on the number of simultaneously opened sequential write zones with zonemode=zbd",
3432 .def = "0",
3433 .category = FIO_OPT_C_IO,
3434 .group = FIO_OPT_G_INVALID,
3435 },
3436 {
3437 .name = "job_max_open_zones",
3438 .lname = "Job maximum number of open zones",
3439 .type = FIO_OPT_INT,
3440 .off1 = offsetof(struct thread_options, job_max_open_zones),
3441 .maxval = ZBD_MAX_OPEN_ZONES,
3442 .help = "Limit on the number of simultaneously opened sequential write zones with zonemode=zbd by one thread/process",
59b07544
BVA		 3443 .def = "0",
3444 .category = FIO_OPT_C_IO,
3445 .group = FIO_OPT_G_INVALID,
3446 },
a7c2b6fc
BVA		 3447 {
3448 .name = "zone_reset_threshold",
3449 .lname = "Zone reset threshold",
3450 .help = "Zoned block device reset threshold",
3451 .type = FIO_OPT_FLOAT_LIST,
3452 .maxlen = 1,
3453 .off1 = offsetof(struct thread_options, zrt),
3454 .minfp = 0,
3455 .maxfp = 1,
3456 .category = FIO_OPT_C_IO,
3457 .group = FIO_OPT_G_ZONE,
3458 },
3459 {
3460 .name = "zone_reset_frequency",
3461 .lname = "Zone reset frequency",
3462 .help = "Zoned block device zone reset frequency in HZ",
3463 .type = FIO_OPT_FLOAT_LIST,
3464 .maxlen = 1,
3465 .off1 = offsetof(struct thread_options, zrf),
3466 .minfp = 0,
3467 .maxfp = 1,
3468 .category = FIO_OPT_C_IO,
3469 .group = FIO_OPT_G_ZONE,
3470 },
214e1eca
JA		 3471 {
3472 .name = "lockmem",
e8b0e958 3473 .lname = "Lock memory",
214e1eca 3474 .type = FIO_OPT_STR_VAL,
a609f12a 3475 .off1 = offsetof(struct thread_options, lockmem),
81c6b6cd 3476 .help = "Lock down this amount of memory (per worker)",
214e1eca 3477 .def = "0",
20eb06bd 3478 .interval = 1024 * 1024,
e8b0e958
JA		 3479 .category = FIO_OPT_C_GENERAL,
3480 .group = FIO_OPT_G_INVALID,
214e1eca 3481 },
214e1eca
JA		 3482 {
3483 .name = "rwmixread",
e8b0e958 3484 .lname = "Read/write mix read",
214e1eca 3485 .type = FIO_OPT_INT,
cb499fc4 3486 .cb = str_rwmix_read_cb,
a609f12a 3487 .off1 = offsetof(struct thread_options, rwmix[DDIR_READ]),
214e1eca
JA		 3488 .maxval = 100,
3489 .help = "Percentage of mixed workload that is reads",
3490 .def = "50",
20eb06bd 3491 .interval = 5,
90265353 3492 .inverse = "rwmixwrite",
e8b0e958
JA		 3493 .category = FIO_OPT_C_IO,
3494 .group = FIO_OPT_G_RWMIX,
214e1eca
JA		 3495 },
3496 {
3497 .name = "rwmixwrite",
e8b0e958 3498 .lname = "Read/write mix write",
214e1eca 3499 .type = FIO_OPT_INT,
cb499fc4 3500 .cb = str_rwmix_write_cb,
a609f12a 3501 .off1 = offsetof(struct thread_options, rwmix[DDIR_WRITE]),
214e1eca
JA		 3502 .maxval = 100,
3503 .help = "Percentage of mixed workload that is writes",
3504 .def = "50",
20eb06bd 3505 .interval = 5,
90265353 3506 .inverse = "rwmixread",
e8b0e958
JA		 3507 .category = FIO_OPT_C_IO,
3508 .group = FIO_OPT_G_RWMIX,
214e1eca 3509 },
afdf9352
JA		 3510 {
3511 .name = "rwmixcycle",
e8b0e958 3512 .lname = "Read/write mix cycle",
15ca150e 3513 .type = FIO_OPT_DEPRECATED,
e8b0e958
JA		 3514 .category = FIO_OPT_C_IO,
3515 .group = FIO_OPT_G_RWMIX,
afdf9352 3516 },
214e1eca
JA		 3517 {
3518 .name = "nice",
e8b0e958 3519 .lname = "Nice",
214e1eca 3520 .type = FIO_OPT_INT,
a609f12a 3521 .off1 = offsetof(struct thread_options, nice),
214e1eca 3522 .help = "Set job CPU nice value",
11fd6aa8
RC		 3523 .minval = -20,
3524 .maxval = 19,
214e1eca 3525 .def = "0",
20eb06bd 3526 .interval = 1,
e8b0e958 3527 .category = FIO_OPT_C_GENERAL,
10860056 3528 .group = FIO_OPT_G_CRED,
214e1eca
JA		 3529 },
3530#ifdef FIO_HAVE_IOPRIO
3531 {
3532 .name = "prio",
e8b0e958 3533 .lname = "I/O nice priority",
214e1eca 3534 .type = FIO_OPT_INT,
a609f12a 3535 .off1 = offsetof(struct thread_options, ioprio),
214e1eca 3536 .help = "Set job IO priority value",
1767bd34
TK		 3537 .minval = IOPRIO_MIN_PRIO,
3538 .maxval = IOPRIO_MAX_PRIO,
20eb06bd 3539 .interval = 1,
e8b0e958 3540 .category = FIO_OPT_C_GENERAL,
10860056 3541 .group = FIO_OPT_G_CRED,
214e1eca 3542 },
32ef447a
TK		 3543#else
3544 {
3545 .name = "prio",
3546 .lname = "I/O nice priority",
3547 .type = FIO_OPT_UNSUPPORTED,
3548 .help = "Your platform does not support IO priorities",
3549 },
3550#endif
3551#ifdef FIO_HAVE_IOPRIO_CLASS
3552#ifndef FIO_HAVE_IOPRIO
3553#error "FIO_HAVE_IOPRIO_CLASS requires FIO_HAVE_IOPRIO"
3554#endif
214e1eca
JA		 3555 {
3556 .name = "prioclass",
e8b0e958 3557 .lname = "I/O nice priority class",
214e1eca 3558 .type = FIO_OPT_INT,
a609f12a 3559 .off1 = offsetof(struct thread_options, ioprio_class),
214e1eca 3560 .help = "Set job IO priority class",
1767bd34
TK		 3561 .minval = IOPRIO_MIN_PRIO_CLASS,
3562 .maxval = IOPRIO_MAX_PRIO_CLASS,
20eb06bd 3563 .interval = 1,
e8b0e958 3564 .category = FIO_OPT_C_GENERAL,
10860056 3565 .group = FIO_OPT_G_CRED,
214e1eca 3566 },
a275c37a 3567#else
a275c37a
JA		 3568 {
3569 .name = "prioclass",
3570 .lname = "I/O nice priority class",
3571 .type = FIO_OPT_UNSUPPORTED,
32ef447a 3572 .help = "Your platform does not support IO priority classes",
a275c37a 3573 },
214e1eca
JA		 3574#endif
3575 {
3576 .name = "thinktime",
e8b0e958 3577 .lname = "Thinktime",
214e1eca 3578 .type = FIO_OPT_INT,
a609f12a 3579 .off1 = offsetof(struct thread_options, thinktime),
214e1eca
JA		 3580 .help = "Idle time between IO buffers (usec)",
3581 .def = "0",
88038bc7 3582 .is_time = 1,
e8b0e958 3583 .category = FIO_OPT_C_IO,
3ceb458f 3584 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3585 },
3586 {
3587 .name = "thinktime_spin",
e8b0e958 3588 .lname = "Thinktime spin",
214e1eca 3589 .type = FIO_OPT_INT,
a609f12a 3590 .off1 = offsetof(struct thread_options, thinktime_spin),
214e1eca
JA		 3591 .help = "Start think time by spinning this amount (usec)",
3592 .def = "0",
88038bc7 3593 .is_time = 1,
afdf9352 3594 .parent = "thinktime",
d71c154c 3595 .hide = 1,
e8b0e958 3596 .category = FIO_OPT_C_IO,
3ceb458f 3597 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3598 },
3599 {
3600 .name = "thinktime_blocks",
e8b0e958 3601 .lname = "Thinktime blocks",
214e1eca 3602 .type = FIO_OPT_INT,
a609f12a 3603 .off1 = offsetof(struct thread_options, thinktime_blocks),
214e1eca
JA		 3604 .help = "IO buffer period between 'thinktime'",
3605 .def = "1",
afdf9352 3606 .parent = "thinktime",
d71c154c 3607 .hide = 1,
e8b0e958 3608 .category = FIO_OPT_C_IO,
3ceb458f 3609 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA		 3610 },
3611 {
3612 .name = "rate",
e8b0e958 3613 .lname = "I/O rate",
140a6888 3614 .type = FIO_OPT_ULL,
a609f12a
JA		 3615 .off1 = offsetof(struct thread_options, rate[DDIR_READ]),
3616 .off2 = offsetof(struct thread_options, rate[DDIR_WRITE]),
3617 .off3 = offsetof(struct thread_options, rate[DDIR_TRIM]),
214e1eca 3618 .help = "Set bandwidth rate",
e8b0e958
JA		 3619 .category = FIO_OPT_C_IO,
3620 .group = FIO_OPT_G_RATE,
214e1eca
JA		 3621 },
3622 {
6d428bcd
JA		 3623 .name = "rate_min",
3624 .alias = "ratemin",
e8b0e958 3625 .lname = "I/O min rate",
140a6888 3626 .type = FIO_OPT_ULL,
a609f12a
JA		 3627 .off1 = offsetof(struct thread_options, ratemin[DDIR_READ]),
3628 .off2 = offsetof(struct thread_options, ratemin[DDIR_WRITE]),
3629 .off3 = offsetof(struct thread_options, ratemin[DDIR_TRIM]),
4e991c23 3630 .help = "Job must meet this rate or it will be shutdown",
afdf9352 3631 .parent = "rate",
d71c154c 3632 .hide = 1,
e8b0e958
JA		 3633 .category = FIO_OPT_C_IO,
3634 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3635 },
3636 {
3637 .name = "rate_iops",
e8b0e958 3638 .lname = "I/O rate IOPS",
e01b22b8 3639 .type = FIO_OPT_INT,
a609f12a
JA		 3640 .off1 = offsetof(struct thread_options, rate_iops[DDIR_READ]),
3641 .off2 = offsetof(struct thread_options, rate_iops[DDIR_WRITE]),
3642 .off3 = offsetof(struct thread_options, rate_iops[DDIR_TRIM]),
4e991c23 3643 .help = "Limit IO used to this number of IO operations/sec",
d71c154c 3644 .hide = 1,
e8b0e958
JA		 3645 .category = FIO_OPT_C_IO,
3646 .group = FIO_OPT_G_RATE,
4e991c23
JA		 3647 },
3648 {
3649 .name = "rate_iops_min",
e8b0e958 3650 .lname = "I/O min rate IOPS",
e01b22b8 3651 .type = FIO_OPT_INT,
a609f12a
JA		 3652 .off1 = offsetof(struct thread_options, rate_iops_min[DDIR_READ]),
3653 .off2 = offsetof(struct thread_options, rate_iops_min[DDIR_WRITE]),
3654 .off3 = offsetof(struct thread_options, rate_iops_min[DDIR_TRIM]),
03e20d68 3655 .help = "Job must meet this rate or it will be shut down",
afdf9352 3656 .parent = "rate_iops",
d71c154c 3657 .hide = 1,
e8b0e958
JA		 3658 .category = FIO_OPT_C_IO,
3659 .group = FIO_OPT_G_RATE,
214e1eca 3660 },
ff6bb260 3661 {
6de65959
JA		 3662 .name = "rate_process",
3663 .lname = "Rate Process",
3664 .type = FIO_OPT_STR,
a609f12a 3665 .off1 = offsetof(struct thread_options, rate_process),
6de65959
JA		 3666 .help = "What process controls how rated IO is managed",
3667 .def = "linear",
ff6bb260
SL		 3668 .category = FIO_OPT_C_IO,
3669 .group = FIO_OPT_G_RATE,
6de65959
JA		 3670 .posval = {
3671 { .ival = "linear",
3672 .oval = RATE_PROCESS_LINEAR,
3673 .help = "Linear rate of IO",
3674 },
3675 {
3676 .ival = "poisson",
3677 .oval = RATE_PROCESS_POISSON,
3678 .help = "Rate follows Poisson process",
3679 },
3680 },
3681 .parent = "rate",
ff6bb260 3682 },
214e1eca 3683 {
6d428bcd
JA		 3684 .name = "rate_cycle",
3685 .alias = "ratecycle",
e8b0e958 3686 .lname = "I/O rate cycle",
214e1eca 3687 .type = FIO_OPT_INT,
a609f12a 3688 .off1 = offsetof(struct thread_options, ratecycle),
214e1eca
JA		 3689 .help = "Window average for rate limits (msec)",
3690 .def = "1000",
afdf9352 3691 .parent = "rate",
d71c154c 3692 .hide = 1,
e8b0e958
JA		 3693 .category = FIO_OPT_C_IO,
3694 .group = FIO_OPT_G_RATE,
214e1eca 3695 },
1a9bf814
JA		 3696 {
3697 .name = "rate_ignore_thinktime",
3698 .lname = "Rate ignore thinktime",
3699 .type = FIO_OPT_BOOL,
3700 .off1 = offsetof(struct thread_options, rate_ign_think),
3701 .help = "Rated IO ignores thinktime settings",
3702 .parent = "rate",
3703 .category = FIO_OPT_C_IO,
3704 .group = FIO_OPT_G_RATE,
3705 },
15501535
JA		 3706 {
3707 .name = "max_latency",
dd97d866 3708 .lname = "Max Latency (usec)",
6c3fb04c 3709 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3710 .off1 = offsetof(struct thread_options, max_latency),
15501535 3711 .help = "Maximum tolerated IO latency (usec)",
88038bc7 3712 .is_time = 1,
1e5324e7 3713 .category = FIO_OPT_C_IO,
3e260a46
JA		 3714 .group = FIO_OPT_G_LATPROF,
3715 },
3716 {
3717 .name = "latency_target",
3718 .lname = "Latency Target (usec)",
3719 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3720 .off1 = offsetof(struct thread_options, latency_target),
3e260a46 3721 .help = "Ramp to max queue depth supporting this latency",
88038bc7 3722 .is_time = 1,
3e260a46
JA		 3723 .category = FIO_OPT_C_IO,
3724 .group = FIO_OPT_G_LATPROF,
3725 },
3726 {
3727 .name = "latency_window",
3728 .lname = "Latency Window (usec)",
3729 .type = FIO_OPT_STR_VAL_TIME,
a609f12a 3730 .off1 = offsetof(struct thread_options, latency_window),
3e260a46 3731 .help = "Time to sustain latency_target",
88038bc7 3732 .is_time = 1,
3e260a46
JA		 3733 .category = FIO_OPT_C_IO,
3734 .group = FIO_OPT_G_LATPROF,
3735 },
3736 {
3737 .name = "latency_percentile",
3738 .lname = "Latency Percentile",
3739 .type = FIO_OPT_FLOAT_LIST,
a609f12a 3740 .off1 = offsetof(struct thread_options, latency_percentile),
3e260a46
JA		 3741 .help = "Percentile of IOs must be below latency_target",
3742 .def = "100",
3743 .maxlen = 1,
3744 .minfp = 0.0,
3745 .maxfp = 100.0,
3746 .category = FIO_OPT_C_IO,
3747 .group = FIO_OPT_G_LATPROF,
15501535 3748 },
e1bcd541
SL		 3749 {
3750 .name = "latency_run",
3751 .lname = "Latency Run",
3752 .type = FIO_OPT_BOOL,
3753 .off1 = offsetof(struct thread_options, latency_run),
3754 .help = "Keep adjusting queue depth to match latency_target",
3755 .def = "0",
3756 .category = FIO_OPT_C_IO,
3757 .group = FIO_OPT_G_LATPROF,
3758 },
214e1eca
JA		 3759 {
3760 .name = "invalidate",
e8b0e958 3761 .lname = "Cache invalidate",
214e1eca 3762 .type = FIO_OPT_BOOL,
a609f12a 3763 .off1 = offsetof(struct thread_options, invalidate_cache),
214e1eca
JA		 3764 .help = "Invalidate buffer/page cache prior to running job",
3765 .def = "1",
e8b0e958 3766 .category = FIO_OPT_C_IO,
3ceb458f 3767 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA		 3768 },
3769 {
3770 .name = "sync",
e8b0e958 3771 .lname = "Synchronous I/O",
eb9f8d7f 3772 .type = FIO_OPT_STR,
a609f12a 3773 .off1 = offsetof(struct thread_options, sync_io),
eb9f8d7f
AF		 3774 .help = "Use synchronous write IO",
3775 .def = "none",
d71c154c 3776 .hide = 1,
e8b0e958 3777 .category = FIO_OPT_C_IO,
3ceb458f 3778 .group = FIO_OPT_G_IO_TYPE,
eb9f8d7f
AF		 3779 .posval = {
3780 { .ival = "none",
3781 .oval = 0,
3782 },
3783 { .ival = "0",
3784 .oval = 0,
3785 },
3786 { .ival = "sync",
3787 .oval = O_SYNC,
3788 },
3789 { .ival = "1",
3790 .oval = O_SYNC,
3791 },
3792#ifdef O_DSYNC
3793 { .ival = "dsync",
3794 .oval = O_DSYNC,
3795 },
3796#endif
3797 },
214e1eca 3798 },
ae8e559e
JA		 3799#ifdef FIO_HAVE_WRITE_HINT
3800 {
3801 .name = "write_hint",
3802 .lname = "Write hint",
3803 .type = FIO_OPT_STR,
3804 .off1 = offsetof(struct thread_options, write_hint),
3805 .help = "Set expected write life time",
3806 .category = FIO_OPT_C_ENGINE,
3807 .group = FIO_OPT_G_INVALID,
3808 .posval = {
3809 { .ival = "none",
3810 .oval = RWH_WRITE_LIFE_NONE,
3811 },
3812 { .ival = "short",
3813 .oval = RWH_WRITE_LIFE_SHORT,
3814 },
3815 { .ival = "medium",
3816 .oval = RWH_WRITE_LIFE_MEDIUM,
3817 },
3818 { .ival = "long",
3819 .oval = RWH_WRITE_LIFE_LONG,
3820 },
3821 { .ival = "extreme",
3822 .oval = RWH_WRITE_LIFE_EXTREME,
3823 },
3824 },
3825 },
3826#endif
214e1eca
JA		 3827 {
3828 .name = "create_serialize",
e8b0e958 3829 .lname = "Create serialize",
214e1eca 3830 .type = FIO_OPT_BOOL,
a609f12a 3831 .off1 = offsetof(struct thread_options, create_serialize),
c2b8035f 3832 .help = "Serialize creation of job files",
214e1eca 3833 .def = "1",
e8b0e958
JA		 3834 .category = FIO_OPT_C_FILE,
3835 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 3836 },
3837 {
3838 .name = "create_fsync",
e8b0e958 3839 .lname = "Create fsync",
214e1eca 3840 .type = FIO_OPT_BOOL,
a609f12a 3841 .off1 = offsetof(struct thread_options, create_fsync),
03e20d68 3842 .help = "fsync file after creation",
214e1eca 3843 .def = "1",
e8b0e958
JA		 3844 .category = FIO_OPT_C_FILE,
3845 .group = FIO_OPT_G_INVALID,
214e1eca 3846 },
814452bd
JA		 3847 {
3848 .name = "create_on_open",
e8b0e958 3849 .lname = "Create on open",
814452bd 3850 .type = FIO_OPT_BOOL,
a609f12a 3851 .off1 = offsetof(struct thread_options, create_on_open),
814452bd
JA		 3852 .help = "Create files when they are opened for IO",
3853 .def = "0",
e8b0e958
JA		 3854 .category = FIO_OPT_C_FILE,
3855 .group = FIO_OPT_G_INVALID,
814452bd 3856 },
25460cf6
JA		 3857 {
3858 .name = "create_only",
cce2fdfe 3859 .lname = "Create Only",
25460cf6 3860 .type = FIO_OPT_BOOL,
a609f12a 3861 .off1 = offsetof(struct thread_options, create_only),
25460cf6 3862 .help = "Only perform file creation phase",
d17fda71 3863 .category = FIO_OPT_C_FILE,
25460cf6
JA		 3864 .def = "0",
3865 },
2378826d
JA		 3866 {
3867 .name = "allow_file_create",
e81ecca3 3868 .lname = "Allow file create",
2378826d 3869 .type = FIO_OPT_BOOL,
a609f12a 3870 .off1 = offsetof(struct thread_options, allow_create),
2378826d
JA		 3871 .help = "Permit fio to create files, if they don't exist",
3872 .def = "1",
3873 .category = FIO_OPT_C_FILE,
3874 .group = FIO_OPT_G_FILENAME,
3875 },
e81ecca3
JA		 3876 {
3877 .name = "allow_mounted_write",
3878 .lname = "Allow mounted write",
3879 .type = FIO_OPT_BOOL,
a609f12a 3880 .off1 = offsetof(struct thread_options, allow_mounted_write),
e81ecca3
JA		 3881 .help = "Allow writes to a mounted partition",
3882 .def = "0",
3883 .category = FIO_OPT_C_FILE,
3884 .group = FIO_OPT_G_FILENAME,
3885 },
0b9d69ec 3886 {
afad68f7 3887 .name = "pre_read",
e8b0e958 3888 .lname = "Pre-read files",
afad68f7 3889 .type = FIO_OPT_BOOL,
a609f12a 3890 .off1 = offsetof(struct thread_options, pre_read),
03e20d68 3891 .help = "Pre-read files before starting official testing",
afad68f7 3892 .def = "0",
e8b0e958
JA		 3893 .category = FIO_OPT_C_FILE,
3894 .group = FIO_OPT_G_INVALID,
afad68f7 3895 },
214e1eca
JA		 3896#ifdef FIO_HAVE_CPU_AFFINITY
3897 {
3898 .name = "cpumask",
e8b0e958 3899 .lname = "CPU mask",
214e1eca
JA		 3900 .type = FIO_OPT_INT,
3901 .cb = str_cpumask_cb,
a609f12a 3902 .off1 = offsetof(struct thread_options, cpumask),
214e1eca 3903 .help = "CPU affinity mask",
e8b0e958 3904 .category = FIO_OPT_C_GENERAL,
10860056 3905 .group = FIO_OPT_G_CRED,
214e1eca 3906 },
d2e268b0
JA		 3907 {
3908 .name = "cpus_allowed",
e8b0e958 3909 .lname = "CPUs allowed",
d2e268b0
JA		 3910 .type = FIO_OPT_STR,
3911 .cb = str_cpus_allowed_cb,
a609f12a 3912 .off1 = offsetof(struct thread_options, cpumask),
d2e268b0 3913 .help = "Set CPUs allowed",
e8b0e958 3914 .category = FIO_OPT_C_GENERAL,
10860056 3915 .group = FIO_OPT_G_CRED,
d2e268b0 3916 },
c2acfbac
JA		 3917 {
3918 .name = "cpus_allowed_policy",
3919 .lname = "CPUs allowed distribution policy",
3920 .type = FIO_OPT_STR,
a609f12a 3921 .off1 = offsetof(struct thread_options, cpus_allowed_policy),
c2acfbac
JA		 3922 .help = "Distribution policy for cpus_allowed",
3923 .parent = "cpus_allowed",
3924 .prio = 1,
3925 .posval = {
3926 { .ival = "shared",
3927 .oval = FIO_CPUS_SHARED,
3928 .help = "Mask shared between threads",
3929 },
3930 { .ival = "split",
3931 .oval = FIO_CPUS_SPLIT,
3932 .help = "Mask split between threads",
3933 },
3934 },
3935 .category = FIO_OPT_C_GENERAL,
3936 .group = FIO_OPT_G_CRED,
3937 },
a275c37a
JA		 3938#else
3939 {
3940 .name = "cpumask",
3941 .lname = "CPU mask",
3942 .type = FIO_OPT_UNSUPPORTED,
3943 .help = "Your platform does not support CPU affinities",
3944 },
3945 {
3946 .name = "cpus_allowed",
3947 .lname = "CPUs allowed",
3948 .type = FIO_OPT_UNSUPPORTED,
3949 .help = "Your platform does not support CPU affinities",
3950 },
3951 {
3952 .name = "cpus_allowed_policy",
3953 .lname = "CPUs allowed distribution policy",
3954 .type = FIO_OPT_UNSUPPORTED,
3955 .help = "Your platform does not support CPU affinities",
3956 },
d0b937ed 3957#endif
67bf9823 3958#ifdef CONFIG_LIBNUMA
d0b937ed
YR		 3959 {
3960 .name = "numa_cpu_nodes",
cce2fdfe 3961 .lname = "NUMA CPU Nodes",
d0b937ed
YR		 3962 .type = FIO_OPT_STR,
3963 .cb = str_numa_cpunodes_cb,
a609f12a 3964 .off1 = offsetof(struct thread_options, numa_cpunodes),
d0b937ed 3965 .help = "NUMA CPU nodes bind",
6be54b2d
JA		 3966 .category = FIO_OPT_C_GENERAL,
3967 .group = FIO_OPT_G_INVALID,
d0b937ed
YR		 3968 },
3969 {
3970 .name = "numa_mem_policy",
cce2fdfe 3971 .lname = "NUMA Memory Policy",
d0b937ed
YR		 3972 .type = FIO_OPT_STR,
3973 .cb = str_numa_mpol_cb,
a609f12a 3974 .off1 = offsetof(struct thread_options, numa_memnodes),
d0b937ed 3975 .help = "NUMA memory policy setup",
6be54b2d
JA		 3976 .category = FIO_OPT_C_GENERAL,
3977 .group = FIO_OPT_G_INVALID,
d0b937ed 3978 },
a275c37a
JA		 3979#else
3980 {
3981 .name = "numa_cpu_nodes",
3982 .lname = "NUMA CPU Nodes",
3983 .type = FIO_OPT_UNSUPPORTED,
3984 .help = "Build fio with libnuma-dev(el) to enable this option",
3985 },
3986 {
3987 .name = "numa_mem_policy",
3988 .lname = "NUMA Memory Policy",
3989 .type = FIO_OPT_UNSUPPORTED,
3990 .help = "Build fio with libnuma-dev(el) to enable this option",
3991 },
03553853
YR		 3992#endif
3993#ifdef CONFIG_CUDA
3994 {
3995 .name = "gpu_dev_id",
3996 .lname = "GPU device ID",
3997 .type = FIO_OPT_INT,
3998 .off1 = offsetof(struct thread_options, gpu_dev_id),
3999 .help = "Set GPU device ID for GPUDirect RDMA",
4000 .def = "0",
4001 .category = FIO_OPT_C_GENERAL,
4002 .group = FIO_OPT_G_INVALID,
4003 },
214e1eca
JA		 4004#endif
4005 {
4006 .name = "end_fsync",
e8b0e958 4007 .lname = "End fsync",
214e1eca 4008 .type = FIO_OPT_BOOL,
a609f12a 4009 .off1 = offsetof(struct thread_options, end_fsync),
214e1eca
JA		 4010 .help = "Include fsync at the end of job",
4011 .def = "0",
e8b0e958
JA		 4012 .category = FIO_OPT_C_FILE,
4013 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 4014 },
4015 {
4016 .name = "fsync_on_close",
e8b0e958 4017 .lname = "Fsync on close",
214e1eca 4018 .type = FIO_OPT_BOOL,
a609f12a 4019 .off1 = offsetof(struct thread_options, fsync_on_close),
214e1eca
JA		 4020 .help = "fsync files on close",
4021 .def = "0",
e8b0e958
JA		 4022 .category = FIO_OPT_C_FILE,
4023 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 4024 },
4025 {
4026 .name = "unlink",
e8b0e958 4027 .lname = "Unlink file",
214e1eca 4028 .type = FIO_OPT_BOOL,
a609f12a 4029 .off1 = offsetof(struct thread_options, unlink),
214e1eca
JA		 4030 .help = "Unlink created files after job has completed",
4031 .def = "0",
e8b0e958
JA		 4032 .category = FIO_OPT_C_FILE,
4033 .group = FIO_OPT_G_INVALID,
214e1eca 4034 },
39c1c323 4035 {
4036 .name = "unlink_each_loop",
4037 .lname = "Unlink file after each loop of a job",
4038 .type = FIO_OPT_BOOL,
a609f12a 4039 .off1 = offsetof(struct thread_options, unlink_each_loop),
39c1c323 4040 .help = "Unlink created files after each loop in a job has completed",
4041 .def = "0",
4042 .category = FIO_OPT_C_FILE,
4043 .group = FIO_OPT_G_INVALID,
4044 },
214e1eca
JA		 4045 {
4046 .name = "exitall",
e8b0e958 4047 .lname = "Exit-all on terminate",
214e1eca
JA		 4048 .type = FIO_OPT_STR_SET,
4049 .cb = str_exitall_cb,
4050 .help = "Terminate all jobs when one exits",
e8b0e958 4051 .category = FIO_OPT_C_GENERAL,
a1f6afec 4052 .group = FIO_OPT_G_PROCESS,
214e1eca 4053 },
64402a8a
HW		 4054 {
4055 .name = "exit_what",
4056 .lname = "What jobs to quit on terminate",
4057 .type = FIO_OPT_STR,
4058 .off1 = offsetof(struct thread_options, exit_what),
4059 .help = "Fine-grained control for exitall",
4060 .def = "group",
4061 .category = FIO_OPT_C_GENERAL,
4062 .group = FIO_OPT_G_PROCESS,
4063 .posval = {
4064 { .ival = "group",
4065 .oval = TERMINATE_GROUP,
4066 .help = "exit_all=1 default behaviour",
4067 },
4068 { .ival = "stonewall",
4069 .oval = TERMINATE_STONEWALL,
4070 .help = "quit all currently running jobs; continue with next stonewall",
4071 },
4072 { .ival = "all",
4073 .oval = TERMINATE_ALL,
4074 .help = "Quit everything",
4075 },
4076 },
4077 },
f9cafb12
JA		 4078 {
4079 .name = "exitall_on_error",
4080 .lname = "Exit-all on terminate in error",
78abcf9b 4081 .type = FIO_OPT_STR_SET,
a609f12a 4082 .off1 = offsetof(struct thread_options, exitall_error),
f9cafb12
JA		 4083 .help = "Terminate all jobs when one exits in error",
4084 .category = FIO_OPT_C_GENERAL,
4085 .group = FIO_OPT_G_PROCESS,
4086 },
214e1eca
JA		 4087 {
4088 .name = "stonewall",
e8b0e958 4089 .lname = "Wait for previous",
d392365e 4090 .alias = "wait_for_previous",
214e1eca 4091 .type = FIO_OPT_STR_SET,
a609f12a 4092 .off1 = offsetof(struct thread_options, stonewall),
214e1eca 4093 .help = "Insert a hard barrier between this job and previous",
e8b0e958 4094 .category = FIO_OPT_C_GENERAL,
a1f6afec 4095 .group = FIO_OPT_G_PROCESS,
214e1eca 4096 },
b3d62a75
JA		 4097 {
4098 .name = "new_group",
e8b0e958 4099 .lname = "New group",
b3d62a75 4100 .type = FIO_OPT_STR_SET,
a609f12a 4101 .off1 = offsetof(struct thread_options, new_group),
b3d62a75 4102 .help = "Mark the start of a new group (for reporting)",
e8b0e958 4103 .category = FIO_OPT_C_GENERAL,
a1f6afec 4104 .group = FIO_OPT_G_PROCESS,
b3d62a75 4105 },
214e1eca
JA		 4106 {
4107 .name = "thread",
e8b0e958 4108 .lname = "Thread",
214e1eca 4109 .type = FIO_OPT_STR_SET,
a609f12a 4110 .off1 = offsetof(struct thread_options, use_thread),
20eb06bd 4111 .help = "Use threads instead of processes",
c8931876
JA		 4112#ifdef CONFIG_NO_SHM
4113 .def = "1",
4114 .no_warn_def = 1,
4115#endif
e8b0e958 4116 .category = FIO_OPT_C_GENERAL,
a1f6afec 4117 .group = FIO_OPT_G_PROCESS,
214e1eca 4118 },
3a5db920
JA		 4119 {
4120 .name = "per_job_logs",
cce2fdfe 4121 .lname = "Per Job Logs",
3a5db920 4122 .type = FIO_OPT_BOOL,
a609f12a 4123 .off1 = offsetof(struct thread_options, per_job_logs),
3a5db920
JA		 4124 .help = "Include job number in generated log files or not",
4125 .def = "1",
4126 .category = FIO_OPT_C_LOG,
4127 .group = FIO_OPT_G_INVALID,
4128 },
214e1eca
JA		 4129 {
4130 .name = "write_bw_log",
e8b0e958 4131 .lname = "Write bandwidth log",
dded427c 4132 .type = FIO_OPT_STR,
a609f12a 4133 .off1 = offsetof(struct thread_options, bw_log_file),
dded427c 4134 .cb = str_write_bw_log_cb,
214e1eca 4135 .help = "Write log of bandwidth during run",
e8b0e958
JA		 4136 .category = FIO_OPT_C_LOG,
4137 .group = FIO_OPT_G_INVALID,
214e1eca
JA		 4138 },
4139 {
4140 .name = "write_lat_log",
e8b0e958 4141 .lname = "Write latency log",
dded427c 4142 .type = FIO_OPT_STR,
a609f12a 4143 .off1 = offsetof(struct thread_options, lat_log_file),
dded427c 4144 .cb = str_write_lat_log_cb,
214e1eca 4145 .help = "Write log of latency during run",
e8b0e958
JA		 4146 .category = FIO_OPT_C_LOG,
4147 .group = FIO_OPT_G_INVALID,
214e1eca 4148 },
c8eeb9df
JA		 4149 {
4150 .name = "write_iops_log",
e8b0e958 4151 .lname = "Write IOPS log",
dded427c 4152 .type = FIO_OPT_STR,
a609f12a 4153 .off1 = offsetof(struct thread_options, iops_log_file),
dded427c 4154 .cb = str_write_iops_log_cb,
c8eeb9df 4155 .help = "Write log of IOPS during run",
e8b0e958
JA		 4156 .category = FIO_OPT_C_LOG,
4157 .group = FIO_OPT_G_INVALID,
c8eeb9df 4158 },
b8bc8cba
JA		 4159 {
4160 .name = "log_avg_msec",
e8b0e958 4161 .lname = "Log averaging (msec)",
b8bc8cba 4162 .type = FIO_OPT_INT,
a609f12a 4163 .off1 = offsetof(struct thread_options, log_avg_msec),
b8bc8cba
JA		 4164 .help = "Average bw/iops/lat logs over this period of time",
4165 .def = "0",
e8b0e958 4166 .category = FIO_OPT_C_LOG,
1e613c9c
KC		 4167 .group = FIO_OPT_G_INVALID,
4168 },
4169 {
4170 .name = "log_hist_msec",
4171 .lname = "Log histograms (msec)",
4172 .type = FIO_OPT_INT,
a609f12a 4173 .off1 = offsetof(struct thread_options, log_hist_msec),
1e613c9c
KC		 4174 .help = "Dump completion latency histograms at frequency of this time value",
4175 .def = "0",
4176 .category = FIO_OPT_C_LOG,
4177 .group = FIO_OPT_G_INVALID,
4178 },
4179 {
4180 .name = "log_hist_coarseness",
4181 .lname = "Histogram logs coarseness",
4182 .type = FIO_OPT_INT,
a609f12a 4183 .off1 = offsetof(struct thread_options, log_hist_coarseness),
1e613c9c
KC		 4184 .help = "Integer in range [0,6]. Higher coarseness outputs"
4185 " fewer histogram bins per sample. The number of bins for"
4186 " these are [1216, 608, 304, 152, 76, 38, 19] respectively.",
4187 .def = "0",
4188 .category = FIO_OPT_C_LOG,
4189 .group = FIO_OPT_G_INVALID,
4190 },
4191 {
4192 .name = "write_hist_log",
4193 .lname = "Write latency histogram logs",
dded427c 4194 .type = FIO_OPT_STR,
a609f12a 4195 .off1 = offsetof(struct thread_options, hist_log_file),
dded427c 4196 .cb = str_write_hist_log_cb,
1e613c9c
KC		 4197 .help = "Write log of latency histograms during run",
4198 .category = FIO_OPT_C_LOG,
e8b0e958 4199 .group = FIO_OPT_G_INVALID,
b8bc8cba 4200 },
e6989e10
JA		 4201 {
4202 .name = "log_max_value",
4203 .lname = "Log maximum instead of average",
4204 .type = FIO_OPT_BOOL,
a609f12a 4205 .off1 = offsetof(struct thread_options, log_max),
e6989e10
JA		 4206 .help = "Log max sample in a window instead of average",
4207 .def = "0",
4208 .category = FIO_OPT_C_LOG,
4209 .group = FIO_OPT_G_INVALID,
4210 },
ae588852
JA		 4211 {
4212 .name = "log_offset",
4213 .lname = "Log offset of IO",
4214 .type = FIO_OPT_BOOL,
a609f12a 4215 .off1 = offsetof(struct thread_options, log_offset),
ae588852
JA		 4216 .help = "Include offset of IO for each log entry",
4217 .def = "0",
4218 .category = FIO_OPT_C_LOG,
4219 .group = FIO_OPT_G_INVALID,
4220 },
aee2ab67
JA		 4221#ifdef CONFIG_ZLIB
4222 {
4223 .name = "log_compression",
4224 .lname = "Log compression",
4225 .type = FIO_OPT_INT,
a609f12a 4226 .off1 = offsetof(struct thread_options, log_gz),
aee2ab67 4227 .help = "Log in compressed chunks of this size",
9919b27b 4228 .minval = 1024ULL,
aee2ab67
JA		 4229 .maxval = 512 * 1024 * 1024ULL,
4230 .category = FIO_OPT_C_LOG,
4231 .group = FIO_OPT_G_INVALID,
4232 },
c08f9fe2
JA		 4233#ifdef FIO_HAVE_CPU_AFFINITY
4234 {
4235 .name = "log_compression_cpus",
4236 .lname = "Log Compression CPUs",
4237 .type = FIO_OPT_STR,
4238 .cb = str_log_cpus_allowed_cb,
a609f12a 4239 .off1 = offsetof(struct thread_options, log_gz_cpumask),
c08f9fe2
JA		 4240 .parent = "log_compression",
4241 .help = "Limit log compression to these CPUs",
4242 .category = FIO_OPT_C_LOG,
4243 .group = FIO_OPT_G_INVALID,
4244 },
a275c37a
JA		 4245#else
4246 {
4247 .name = "log_compression_cpus",
4248 .lname = "Log Compression CPUs",
4249 .type = FIO_OPT_UNSUPPORTED,
4250 .help = "Your platform does not support CPU affinities",
4251 },
c08f9fe2 4252#endif
b26317c9
JA		 4253 {
4254 .name = "log_store_compressed",
4255 .lname = "Log store compressed",
4256 .type = FIO_OPT_BOOL,
a609f12a 4257 .off1 = offsetof(struct thread_options, log_gz_store),
b26317c9
JA		 4258 .help = "Store logs in a compressed format",
4259 .category = FIO_OPT_C_LOG,
4260 .group = FIO_OPT_G_INVALID,
4261 },
a275c37a
JA		 4262#else
4263 {
4264 .name = "log_compression",
4265 .lname = "Log compression",
4266 .type = FIO_OPT_UNSUPPORTED,
4267 .help = "Install libz-dev(el) to get compression support",
4268 },
4269 {
4270 .name = "log_store_compressed",
4271 .lname = "Log store compressed",
4272 .type = FIO_OPT_UNSUPPORTED,
4273 .help = "Install libz-dev(el) to get compression support",
4274 },
aee2ab67 4275#endif
3aea75b1
KC		 4276 {
4277 .name = "log_unix_epoch",
4278 .lname = "Log epoch unix",
4279 .type = FIO_OPT_BOOL,
4280 .off1 = offsetof(struct thread_options, log_unix_epoch),
4281 .help = "Use Unix time in log files",
4282 .category = FIO_OPT_C_LOG,
4283 .group = FIO_OPT_G_INVALID,
4284 },
66347cfa
DE		 4285 {
4286 .name = "block_error_percentiles",
4287 .lname = "Block error percentiles",
4288 .type = FIO_OPT_BOOL,
a609f12a 4289 .off1 = offsetof(struct thread_options, block_error_hist),
66347cfa
DE		 4290 .help = "Record trim block errors and make a histogram",
4291 .def = "0",
4292 .category = FIO_OPT_C_LOG,
4293 .group = FIO_OPT_G_INVALID,
4294 },
c504ee55
JA		 4295 {
4296 .name = "bwavgtime",
4297 .lname = "Bandwidth average time",
4298 .type = FIO_OPT_INT,
a609f12a 4299 .off1 = offsetof(struct thread_options, bw_avg_time),
c504ee55
JA		 4300 .help = "Time window over which to calculate bandwidth"
4301 " (msec)",
4302 .def = "500",
4303 .parent = "write_bw_log",
4304 .hide = 1,
4305 .interval = 100,
4306 .category = FIO_OPT_C_LOG,
4307 .group = FIO_OPT_G_INVALID,
4308 },
4309 {
4310 .name = "iopsavgtime",
4311 .lname = "IOPS average time",
4312 .type = FIO_OPT_INT,
a609f12a 4313 .off1 = offsetof(struct thread_options, iops_avg_time),
c504ee55
JA		 4314 .help = "Time window over which to calculate IOPS (msec)",
4315 .def = "500",
4316 .parent = "write_iops_log",
4317 .hide = 1,
4318 .interval = 100,
4319 .category = FIO_OPT_C_LOG,
4320 .group = FIO_OPT_G_INVALID,
4321 },
214e1eca
JA		 4322 {
4323 .name = "group_reporting",
e8b0e958 4324 .lname = "Group reporting",
d2507043 4325 .type = FIO_OPT_STR_SET,
a609f12a 4326 .off1 = offsetof(struct thread_options, group_reporting),
214e1eca 4327 .help = "Do reporting on a per-group basis",
10860056 4328 .category = FIO_OPT_C_STAT,
e8b0e958 4329 .group = FIO_OPT_G_INVALID,
214e1eca 4330 },
8243be59
JA		 4331 {
4332 .name = "stats",
4333 .lname = "Stats",
4334 .type = FIO_OPT_BOOL,
4335 .off1 = offsetof(struct thread_options, stats),
4336 .help = "Enable collection of stats",
4337 .def = "1",
4338 .category = FIO_OPT_C_STAT,
4339 .group = FIO_OPT_G_INVALID,
4340 },
e9459e5a
JA		 4341 {
4342 .name = "zero_buffers",
e8b0e958 4343 .lname = "Zero I/O buffers",
e9459e5a 4344 .type = FIO_OPT_STR_SET,
a609f12a 4345 .off1 = offsetof(struct thread_options, zero_buffers),
e9459e5a 4346 .help = "Init IO buffers to all zeroes",
e8b0e958 4347 .category = FIO_OPT_C_IO,
3ceb458f 4348 .group = FIO_OPT_G_IO_BUF,
e9459e5a 4349 },
5973cafb
JA		 4350 {
4351 .name = "refill_buffers",
e8b0e958 4352 .lname = "Refill I/O buffers",
5973cafb 4353 .type = FIO_OPT_STR_SET,
a609f12a 4354 .off1 = offsetof(struct thread_options, refill_buffers),
5973cafb 4355 .help = "Refill IO buffers on every IO submit",
e8b0e958 4356 .category = FIO_OPT_C_IO,
3ceb458f 4357 .group = FIO_OPT_G_IO_BUF,
5973cafb 4358 },
fd68418e
JA		 4359 {
4360 .name = "scramble_buffers",
e8b0e958 4361 .lname = "Scramble I/O buffers",
fd68418e 4362 .type = FIO_OPT_BOOL,
a609f12a 4363 .off1 = offsetof(struct thread_options, scramble_buffers),
fd68418e
JA		 4364 .help = "Slightly scramble buffers on every IO submit",
4365 .def = "1",
e8b0e958 4366 .category = FIO_OPT_C_IO,
3ceb458f 4367 .group = FIO_OPT_G_IO_BUF,
fd68418e 4368 },
ce35b1ec
JA		 4369 {
4370 .name = "buffer_pattern",
4371 .lname = "Buffer pattern",
4372 .type = FIO_OPT_STR,
4373 .cb = str_buffer_pattern_cb,
a609f12a 4374 .off1 = offsetof(struct thread_options, buffer_pattern),
ce35b1ec
JA		 4375 .help = "Fill pattern for IO buffers",
4376 .category = FIO_OPT_C_IO,
4377 .group = FIO_OPT_G_IO_BUF,
4378 },
9c42684e
JA		 4379 {
4380 .name = "buffer_compress_percentage",
e8b0e958 4381 .lname = "Buffer compression percentage",
9c42684e 4382 .type = FIO_OPT_INT,
bedc9dc2 4383 .cb = str_buffer_compress_cb,
a609f12a 4384 .off1 = offsetof(struct thread_options, compress_percentage),
9c42684e 4385 .maxval = 100,
e7f5de90 4386 .minval = 0,
9c42684e 4387 .help = "How compressible the buffer is (approximately)",
20eb06bd 4388 .interval = 5,
e8b0e958 4389 .category = FIO_OPT_C_IO,
3ceb458f 4390 .group = FIO_OPT_G_IO_BUF,
9c42684e 4391 },
f97a43a1
JA		 4392 {
4393 .name = "buffer_compress_chunk",
e8b0e958 4394 .lname = "Buffer compression chunk size",
f97a43a1 4395 .type = FIO_OPT_INT,
a609f12a 4396 .off1 = offsetof(struct thread_options, compress_chunk),
207b18e4 4397 .parent = "buffer_compress_percentage",
d71c154c 4398 .hide = 1,
f97a43a1 4399 .help = "Size of compressible region in buffer",
1de80624 4400 .def = "512",
20eb06bd 4401 .interval = 256,
e8b0e958 4402 .category = FIO_OPT_C_IO,
3ceb458f 4403 .group = FIO_OPT_G_IO_BUF,
f97a43a1 4404 },
5c94b008
JA		 4405 {
4406 .name = "dedupe_percentage",
4407 .lname = "Dedupe percentage",
4408 .type = FIO_OPT_INT,
4409 .cb = str_dedupe_cb,
a609f12a 4410 .off1 = offsetof(struct thread_options, dedupe_percentage),
5c94b008
JA		 4411 .maxval = 100,
4412 .minval = 0,
4413 .help = "Percentage of buffers that are dedupable",
4414 .interval = 1,
4415 .category = FIO_OPT_C_IO,
4416 .group = FIO_OPT_G_IO_BUF,
4417 },
83349190
YH		 4418 {
4419 .name = "clat_percentiles",
e8b0e958 4420 .lname = "Completion latency percentiles",
83349190 4421 .type = FIO_OPT_BOOL,
a609f12a 4422 .off1 = offsetof(struct thread_options, clat_percentiles),
83349190 4423 .help = "Enable the reporting of completion latency percentiles",
467b35ed 4424 .def = "1",
b599759b
JA		 4425 .category = FIO_OPT_C_STAT,
4426 .group = FIO_OPT_G_INVALID,
4427 },
4428 {
4429 .name = "lat_percentiles",
4430 .lname = "IO latency percentiles",
4431 .type = FIO_OPT_BOOL,
4432 .off1 = offsetof(struct thread_options, lat_percentiles),
4433 .help = "Enable the reporting of IO latency percentiles",
4434 .def = "0",
56440e63
VF		 4435 .category = FIO_OPT_C_STAT,
4436 .group = FIO_OPT_G_INVALID,
4437 },
4438 {
4439 .name = "slat_percentiles",
4440 .lname = "Submission latency percentiles",
4441 .type = FIO_OPT_BOOL,
4442 .off1 = offsetof(struct thread_options, slat_percentiles),
4443 .help = "Enable the reporting of submission latency percentiles",
4444 .def = "0",
e8b0e958
JA		 4445 .category = FIO_OPT_C_STAT,
4446 .group = FIO_OPT_G_INVALID,
83349190
YH		 4447 },
4448 {
4449 .name = "percentile_list",
66347cfa 4450 .lname = "Percentile list",
83349190 4451 .type = FIO_OPT_FLOAT_LIST,
a609f12a
JA		 4452 .off1 = offsetof(struct thread_options, percentile_list),
4453 .off2 = offsetof(struct thread_options, percentile_precision),
66347cfa
DE		 4454 .help = "Specify a custom list of percentiles to report for "
4455 "completion latency and block errors",
fd112d34 4456 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH		 4457 .maxlen = FIO_IO_U_LIST_MAX_LEN,
4458 .minfp = 0.0,
4459 .maxfp = 100.0,
e8b0e958
JA		 4460 .category = FIO_OPT_C_STAT,
4461 .group = FIO_OPT_G_INVALID,
e883cb35
JF		 4462 },
4463 {
4464 .name = "significant_figures",
4465 .lname = "Significant figures",
4466 .type = FIO_OPT_INT,
4467 .off1 = offsetof(struct thread_options, sig_figs),
4468 .maxval = 10,
4469 .minval = 1,
4470 .help = "Significant figures for output-format set to normal",
4471 .def = "4",
4472 .interval = 1,
4473 .category = FIO_OPT_C_STAT,
4474 .group = FIO_OPT_G_INVALID,
83349190
YH		 4475 },
4476
0a839f30
JA		 4477#ifdef FIO_HAVE_DISK_UTIL
4478 {
4479 .name = "disk_util",
e8b0e958 4480 .lname = "Disk utilization",
0a839f30 4481 .type = FIO_OPT_BOOL,
a609f12a 4482 .off1 = offsetof(struct thread_options, do_disk_util),
f66ab3c8 4483 .help = "Log disk utilization statistics",
0a839f30 4484 .def = "1",
e8b0e958
JA		 4485 .category = FIO_OPT_C_STAT,
4486 .group = FIO_OPT_G_INVALID,
0a839f30 4487 },
a275c37a
JA		 4488#else
4489 {
4490 .name = "disk_util",
4491 .lname = "Disk utilization",
4492 .type = FIO_OPT_UNSUPPORTED,
4493 .help = "Your platform does not support disk utilization",
4494 },
0a839f30 4495#endif
993bf48b
JA		 4496 {
4497 .name = "gtod_reduce",
e8b0e958 4498 .lname = "Reduce gettimeofday() calls",
993bf48b
JA		 4499 .type = FIO_OPT_BOOL,
4500 .help = "Greatly reduce number of gettimeofday() calls",
4501 .cb = str_gtod_reduce_cb,
4502 .def = "0",
a4ed77fe 4503 .hide_on_set = 1,
e8b0e958
JA		 4504 .category = FIO_OPT_C_STAT,
4505 .group = FIO_OPT_G_INVALID,
993bf48b 4506 },
02af0988
JA		 4507 {
4508 .name = "disable_lat",
e8b0e958 4509 .lname = "Disable all latency stats",
02af0988 4510 .type = FIO_OPT_BOOL,
a609f12a 4511 .off1 = offsetof(struct thread_options, disable_lat),
02af0988
JA		 4512 .help = "Disable latency numbers",
4513 .parent = "gtod_reduce",
d71c154c 4514 .hide = 1,
02af0988 4515 .def = "0",
e8b0e958
JA		 4516 .category = FIO_OPT_C_STAT,
4517 .group = FIO_OPT_G_INVALID,
02af0988 4518 },
9520ebb9
JA		 4519 {
4520 .name = "disable_clat",
e8b0e958 4521 .lname = "Disable completion latency stats",
9520ebb9 4522 .type = FIO_OPT_BOOL,
a609f12a 4523 .off1 = offsetof(struct thread_options, disable_clat),
9520ebb9 4524 .help = "Disable completion latency numbers",
993bf48b 4525 .parent = "gtod_reduce",
d71c154c 4526 .hide = 1,
9520ebb9 4527 .def = "0",
e8b0e958
JA		 4528 .category = FIO_OPT_C_STAT,
4529 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4530 },
4531 {
4532 .name = "disable_slat",
e8b0e958 4533 .lname = "Disable submission latency stats",
9520ebb9 4534 .type = FIO_OPT_BOOL,
a609f12a 4535 .off1 = offsetof(struct thread_options, disable_slat),
03e20d68 4536 .help = "Disable submission latency numbers",
993bf48b 4537 .parent = "gtod_reduce",
d71c154c 4538 .hide = 1,
9520ebb9 4539 .def = "0",
e8b0e958
JA		 4540 .category = FIO_OPT_C_STAT,
4541 .group = FIO_OPT_G_INVALID,
9520ebb9
JA		 4542 },
4543 {
4544 .name = "disable_bw_measurement",
afd2ceff 4545 .alias = "disable_bw",
e8b0e958 4546 .lname = "Disable bandwidth stats",
9520ebb9 4547 .type = FIO_OPT_BOOL,
a609f12a 4548 .off1 = offsetof(struct thread_options, disable_bw),
9520ebb9 4549 .help = "Disable bandwidth logging",
993bf48b 4550 .parent = "gtod_reduce",
d71c154c 4551 .hide = 1,
9520ebb9 4552 .def = "0",
e8b0e958
JA		 4553 .category = FIO_OPT_C_STAT,
4554 .group = FIO_OPT_G_INVALID,
9520ebb9 4555 },
be4ecfdf
JA		 4556 {
4557 .name = "gtod_cpu",
e8b0e958 4558 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf 4559 .type = FIO_OPT_INT,
a609f12a 4560 .off1 = offsetof(struct thread_options, gtod_cpu),
03e20d68 4561 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 4562 .verify = gtod_cpu_verify,
e8b0e958 4563 .category = FIO_OPT_C_GENERAL,
10860056 4564 .group = FIO_OPT_G_CLOCK,
be4ecfdf 4565 },
771e58be
JA		 4566 {
4567 .name = "unified_rw_reporting",
cce2fdfe 4568 .lname = "Unified RW Reporting",
771e58be 4569 .type = FIO_OPT_BOOL,
a609f12a 4570 .off1 = offsetof(struct thread_options, unified_rw_rep),
771e58be
JA		 4571 .help = "Unify reporting across data direction",
4572 .def = "0",
90b7a96d
JA		 4573 .category = FIO_OPT_C_GENERAL,
4574 .group = FIO_OPT_G_INVALID,
771e58be 4575 },
f2bba182
RR		 4576 {
4577 .name = "continue_on_error",
e8b0e958 4578 .lname = "Continue on error",
06842027 4579 .type = FIO_OPT_STR,
a609f12a 4580 .off1 = offsetof(struct thread_options, continue_on_error),
03e20d68 4581 .help = "Continue on non-fatal errors during IO",
06842027 4582 .def = "none",
e8b0e958 4583 .category = FIO_OPT_C_GENERAL,
bc3f552f 4584 .group = FIO_OPT_G_ERR,
06842027
SL		 4585 .posval = {
4586 { .ival = "none",
4587 .oval = ERROR_TYPE_NONE,
4588 .help = "Exit when an error is encountered",
4589 },
4590 { .ival = "read",
4591 .oval = ERROR_TYPE_READ,
4592 .help = "Continue on read errors only",
4593 },
4594 { .ival = "write",
4595 .oval = ERROR_TYPE_WRITE,
4596 .help = "Continue on write errors only",
4597 },
4598 { .ival = "io",
4599 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
4600 .help = "Continue on any IO errors",
4601 },
4602 { .ival = "verify",
4603 .oval = ERROR_TYPE_VERIFY,
4604 .help = "Continue on verify errors only",
4605 },
4606 { .ival = "all",
4607 .oval = ERROR_TYPE_ANY,
4608 .help = "Continue on all io and verify errors",
4609 },
4610 { .ival = "0",
4611 .oval = ERROR_TYPE_NONE,
4612 .help = "Alias for 'none'",
4613 },
4614 { .ival = "1",
4615 .oval = ERROR_TYPE_ANY,
4616 .help = "Alias for 'all'",
4617 },
4618 },
f2bba182 4619 },
8b28bd41
DM		 4620 {
4621 .name = "ignore_error",
cce2fdfe 4622 .lname = "Ignore Error",
8b28bd41
DM		 4623 .type = FIO_OPT_STR,
4624 .cb = str_ignore_error_cb,
a609f12a 4625 .off1 = offsetof(struct thread_options, ignore_error_nr),
8b28bd41
DM		 4626 .help = "Set a specific list of errors to ignore",
4627 .parent = "rw",
a94eb99a 4628 .category = FIO_OPT_C_GENERAL,
bc3f552f 4629 .group = FIO_OPT_G_ERR,
8b28bd41
DM		 4630 },
4631 {
4632 .name = "error_dump",
cce2fdfe 4633 .lname = "Error Dump",
8b28bd41 4634 .type = FIO_OPT_BOOL,
a609f12a 4635 .off1 = offsetof(struct thread_options, error_dump),
8b28bd41
DM		 4636 .def = "0",
4637 .help = "Dump info on each error",
a94eb99a 4638 .category = FIO_OPT_C_GENERAL,
bc3f552f 4639 .group = FIO_OPT_G_ERR,
8b28bd41 4640 },
9ac8a797
JA		 4641 {
4642 .name = "profile",
e8b0e958 4643 .lname = "Profile",
79d16311 4644 .type = FIO_OPT_STR_STORE,
a609f12a 4645 .off1 = offsetof(struct thread_options, profile),
9ac8a797 4646 .help = "Select a specific builtin performance test",
13fca827 4647 .category = FIO_OPT_C_PROFILE,
e8b0e958 4648 .group = FIO_OPT_G_INVALID,
9ac8a797 4649 },
a696fa2a
JA		 4650 {
4651 .name = "cgroup",
e8b0e958 4652 .lname = "Cgroup",
a696fa2a 4653 .type = FIO_OPT_STR_STORE,
a609f12a 4654 .off1 = offsetof(struct thread_options, cgroup),
a696fa2a 4655 .help = "Add job to cgroup of this name",
e8b0e958 4656 .category = FIO_OPT_C_GENERAL,
a1f6afec
JA		 4657 .group = FIO_OPT_G_CGROUP,
4658 },
4659 {
4660 .name = "cgroup_nodelete",
4661 .lname = "Cgroup no-delete",
4662 .type = FIO_OPT_BOOL,
a609f12a 4663 .off1 = offsetof(struct thread_options, cgroup_nodelete),
a1f6afec
JA		 4664 .help = "Do not delete cgroups after job completion",
4665 .def = "0",
4666 .parent = "cgroup",
4667 .category = FIO_OPT_C_GENERAL,
4668 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA		 4669 },
4670 {
4671 .name = "cgroup_weight",
e8b0e958 4672 .lname = "Cgroup weight",
a696fa2a 4673 .type = FIO_OPT_INT,
a609f12a 4674 .off1 = offsetof(struct thread_options, cgroup_weight),
a696fa2a
JA		 4675 .help = "Use given weight for cgroup",
4676 .minval = 100,
4677 .maxval = 1000,
a1f6afec 4678 .parent = "cgroup",
e8b0e958 4679 .category = FIO_OPT_C_GENERAL,
a1f6afec 4680 .group = FIO_OPT_G_CGROUP,
7de87099 4681 },
e0b0d892
JA		 4682 {
4683 .name = "uid",
e8b0e958 4684 .lname = "User ID",
e0b0d892 4685 .type = FIO_OPT_INT,
a609f12a 4686 .off1 = offsetof(struct thread_options, uid),
e0b0d892 4687 .help = "Run job with this user ID",
e8b0e958 4688 .category = FIO_OPT_C_GENERAL,
10860056 4689 .group = FIO_OPT_G_CRED,
e0b0d892
JA		 4690 },
4691 {
4692 .name = "gid",
e8b0e958 4693 .lname = "Group ID",
e0b0d892 4694 .type = FIO_OPT_INT,
a609f12a 4695 .off1 = offsetof(struct thread_options, gid),
e0b0d892 4696 .help = "Run job with this group ID",
e8b0e958 4697 .category = FIO_OPT_C_GENERAL,
10860056 4698 .group = FIO_OPT_G_CRED,
e0b0d892 4699 },
a1f6afec
JA		 4700 {
4701 .name = "kb_base",
4702 .lname = "KB Base",
41dd12d6 4703 .type = FIO_OPT_STR,
a609f12a 4704 .off1 = offsetof(struct thread_options, kb_base),
a1f6afec
JA		 4705 .prio = 1,
4706 .def = "1024",
ba9c7219
JA		 4707 .posval = {
4708 { .ival = "1024",
4709 .oval = 1024,
d694a6a7 4710 .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
ba9c7219
JA		 4711 },
4712 { .ival = "1000",
4713 .oval = 1000,
d694a6a7 4714 .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
ba9c7219
JA		 4715 },
4716 },
d694a6a7 4717 .help = "Unit prefix interpretation for quantities of data (IEC and SI)",
a1f6afec
JA		 4718 .category = FIO_OPT_C_GENERAL,
4719 .group = FIO_OPT_G_INVALID,
4720 },
cf3a0518
JA		 4721 {
4722 .name = "unit_base",
d694a6a7 4723 .lname = "Unit for quantities of data (Bits or Bytes)",
92a1a1d7 4724 .type = FIO_OPT_STR,
a609f12a 4725 .off1 = offsetof(struct thread_options, unit_base),
cf3a0518 4726 .prio = 1,
71a08258
JA		 4727 .posval = {
4728 { .ival = "0",
41a87019 4729 .oval = N2S_NONE,
71a08258
JA		 4730 .help = "Auto-detect",
4731 },
4732 { .ival = "8",
41a87019 4733 .oval = N2S_BYTEPERSEC,
71a08258
JA		 4734 .help = "Normal (byte based)",
4735 },
4736 { .ival = "1",
41a87019 4737 .oval = N2S_BITPERSEC,
71a08258
JA		 4738 .help = "Bit based",
4739 },
4740 },
cf3a0518
JA		 4741 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
4742 .category = FIO_OPT_C_GENERAL,
4743 .group = FIO_OPT_G_INVALID,
4744 },
3ceb458f
JA		 4745 {
4746 .name = "hugepage-size",
4747 .lname = "Hugepage size",
4748 .type = FIO_OPT_INT,
a609f12a 4749 .off1 = offsetof(struct thread_options, hugepage_size),
3ceb458f
JA		 4750 .help = "When using hugepages, specify size of each page",
4751 .def = __fio_stringify(FIO_HUGE_PAGE),
4752 .interval = 1024 * 1024,
4753 .category = FIO_OPT_C_GENERAL,
4754 .group = FIO_OPT_G_INVALID,
4755 },
9e684a49
DE		 4756 {
4757 .name = "flow_id",
e8b0e958 4758 .lname = "I/O flow ID",
9e684a49 4759 .type = FIO_OPT_INT,
a609f12a 4760 .off1 = offsetof(struct thread_options, flow_id),
9e684a49
DE		 4761 .help = "The flow index ID to use",
4762 .def = "0",
e8b0e958
JA		 4763 .category = FIO_OPT_C_IO,
4764 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4765 },
4766 {
4767 .name = "flow",
e8b0e958 4768 .lname = "I/O flow weight",
20c7a244 4769 .type = FIO_OPT_INT,
a609f12a 4770 .off1 = offsetof(struct thread_options, flow),
9e684a49
DE		 4771 .help = "Weight for flow control of this job",
4772 .parent = "flow_id",
d71c154c 4773 .hide = 1,
9e684a49 4774 .def = "0",
d4e74fda 4775 .maxval = FLOW_MAX_WEIGHT,
e8b0e958
JA		 4776 .category = FIO_OPT_C_IO,
4777 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4778 },
4779 {
4780 .name = "flow_watermark",
e8b0e958 4781 .lname = "I/O flow watermark",
d4e74fda 4782 .type = FIO_OPT_SOFT_DEPRECATED,
e8b0e958
JA		 4783 .category = FIO_OPT_C_IO,
4784 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE		 4785 },
4786 {
4787 .name = "flow_sleep",
e8b0e958 4788 .lname = "I/O flow sleep",
9e684a49 4789 .type = FIO_OPT_INT,
a609f12a 4790 .off1 = offsetof(struct thread_options, flow_sleep),
9e684a49
DE		 4791 .help = "How many microseconds to sleep after being held"
4792 " back by the flow control mechanism",
4793 .parent = "flow_id",
d71c154c 4794 .hide = 1,
9e684a49 4795 .def = "0",
e8b0e958
JA		 4796 .category = FIO_OPT_C_IO,
4797 .group = FIO_OPT_G_IO_FLOW,
9e684a49 4798 },
16e56d25
VF		 4799 {
4800 .name = "steadystate",
4801 .lname = "Steady state threshold",
4802 .alias = "ss",
4803 .type = FIO_OPT_STR,
2c5d94bc 4804 .off1 = offsetof(struct thread_options, ss_state),
16e56d25
VF		 4805 .cb = str_steadystate_cb,
4806 .help = "Define the criterion and limit to judge when a job has reached steady state",
4807 .def = "iops_slope:0.01%",
4808 .posval = {
4809 { .ival = "iops",
f0c50c66 4810 .oval = FIO_SS_IOPS,
16e56d25
VF		 4811 .help = "maximum mean deviation of IOPS measurements",
4812 },
4813 { .ival = "iops_slope",
f0c50c66 4814 .oval = FIO_SS_IOPS_SLOPE,
16e56d25
VF		 4815 .help = "slope calculated from IOPS measurements",
4816 },
4817 { .ival = "bw",
f0c50c66 4818 .oval = FIO_SS_BW,
16e56d25
VF		 4819 .help = "maximum mean deviation of bandwidth measurements",
4820 },
4821 {
4822 .ival = "bw_slope",
f0c50c66 4823 .oval = FIO_SS_BW_SLOPE,
16e56d25
VF		 4824 .help = "slope calculated from bandwidth measurements",
4825 },
4826 },
4827 .category = FIO_OPT_C_GENERAL,
4828 .group = FIO_OPT_G_RUNTIME,
4829 },
4830 {
4831 .name = "steadystate_duration",
4832 .lname = "Steady state duration",
4833 .alias = "ss_dur",
915ca980 4834 .parent = "steadystate",
16e56d25
VF		 4835 .type = FIO_OPT_STR_VAL_TIME,
4836 .off1 = offsetof(struct thread_options, ss_dur),
4837 .help = "Stop workload upon attaining steady state for specified duration",
4838 .def = "0",
4839 .is_seconds = 1,
4840 .is_time = 1,
4841 .category = FIO_OPT_C_GENERAL,
4842 .group = FIO_OPT_G_RUNTIME,
4843 },
4844 {
4845 .name = "steadystate_ramp_time",
4846 .lname = "Steady state ramp time",
4847 .alias = "ss_ramp",
915ca980 4848 .parent = "steadystate",
16e56d25
VF		 4849 .type = FIO_OPT_STR_VAL_TIME,
4850 .off1 = offsetof(struct thread_options, ss_ramp_time),
4851 .help = "Delay before initiation of data collection for steady state job termination testing",
4852 .def = "0",
4853 .is_seconds = 1,
4854 .is_time = 1,
4855 .category = FIO_OPT_C_GENERAL,
4856 .group = FIO_OPT_G_RUNTIME,
4857 },
214e1eca
JA		 4858 {
4859 .name = NULL,
4860 },
4861};
4862
17af15d4 4863static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 4864 const char *name, int val)
9f81736c 4865{
17af15d4 4866 lopt->name = (char *) name;
de890a1e 4867 lopt->val = val;
9f81736c 4868 if (o->type == FIO_OPT_STR_SET)
ff52be3d 4869 lopt->has_arg = optional_argument;
9f81736c
JA		 4870 else
4871 lopt->has_arg = required_argument;
4872}
4873
de890a1e
SL		 4874static void options_to_lopts(struct fio_option *opts,
4875 struct option *long_options,
4876 int i, int option_type)
214e1eca 4877{
de890a1e 4878 struct fio_option *o = &opts[0];
214e1eca 4879 while (o->name) {
de890a1e 4880 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA		 4881 if (o->alias) {
4882 i++;
de890a1e 4883 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 4884 }
214e1eca
JA		 4885
4886 i++;
4887 o++;
4888 assert(i < FIO_NR_OPTIONS);
4889 }
4890}
4891
de890a1e
SL		 4892void fio_options_set_ioengine_opts(struct option *long_options,
4893 struct thread_data *td)
4894{
4895 unsigned int i;
4896
4897 i = 0;
4898 while (long_options[i].name) {
4899 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
4900 memset(&long_options[i], 0, sizeof(*long_options));
4901 break;
4902 }
4903 i++;
4904 }
4905
4906 /*
4907 * Just clear out the prior ioengine options.
4908 */
4909 if (!td || !td->eo)
4910 return;
4911
4912 options_to_lopts(td->io_ops->options, long_options, i,
4913 FIO_GETOPT_IOENGINE);
4914}
4915
4916void fio_options_dup_and_init(struct option *long_options)
4917{
4918 unsigned int i;
4919
9af4a244 4920 options_init(fio_options);
de890a1e
SL		 4921
4922 i = 0;
4923 while (long_options[i].name)
4924 i++;
4925
9af4a244 4926 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL		 4927}
4928
74929ac2
JA		 4929struct fio_keyword {
4930 const char *word;
4931 const char *desc;
4932 char *replace;
4933};
4934
4935static struct fio_keyword fio_keywords[] = {
4936 {
4937 .word = "$pagesize",
4938 .desc = "Page size in the system",
4939 },
4940 {
4941 .word = "$mb_memory",
4942 .desc = "Megabytes of memory online",
4943 },
4944 {
4945 .word = "$ncpus",
4946 .desc = "Number of CPUs online in the system",
4947 },
4948 {
4949 .word = NULL,
4950 },
4951};
4952
af1dc266
JA		 4953void fio_keywords_exit(void)
4954{
4955 struct fio_keyword *kw;
4956
4957 kw = &fio_keywords[0];
4958 while (kw->word) {
4959 free(kw->replace);
4960 kw->replace = NULL;
4961 kw++;
4962 }
4963}
4964
74929ac2
JA		 4965void fio_keywords_init(void)
4966{
3b2e1464 4967 unsigned long long mb_memory;
74929ac2
JA		 4968 char buf[128];
4969 long l;
4970
a4cfc477 4971 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA		 4972 fio_keywords[0].replace = strdup(buf);
4973
8eb016d3 4974 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 4975 sprintf(buf, "%llu", mb_memory);
74929ac2
JA		 4976 fio_keywords[1].replace = strdup(buf);
4977
c00a2289 4978 l = cpus_online();
74929ac2
JA		 4979 sprintf(buf, "%lu", l);
4980 fio_keywords[2].replace = strdup(buf);
4981}
4982
892a6ffc
JA		 4983#define BC_APP "bc"
4984
4985static char *bc_calc(char *str)
4986{
d0c814ec 4987 char buf[128], *tmp;
892a6ffc
JA		 4988 FILE *f;
4989 int ret;
4990
4991 /*
4992 * No math, just return string
4993 */
d0c814ec
SL		 4994 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
4995 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA		 4996 return str;
4997
4998 /*
4999 * Split option from value, we only need to calculate the value
5000 */
5001 tmp = strchr(str, '=');
5002 if (!tmp)
5003 return str;
5004
5005 tmp++;
892a6ffc 5006
d0c814ec
SL		 5007 /*
5008 * Prevent buffer overflows; such a case isn't reasonable anyway
5009 */
5010 if (strlen(str) >= 128 || strlen(tmp) > 100)
5011 return str;
892a6ffc
JA		 5012
5013 sprintf(buf, "which %s > /dev/null", BC_APP);
5014 if (system(buf)) {
5015 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA		 5016 return NULL;
5017 }
5018
d0c814ec 5019 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc 5020 f = popen(buf, "r");
3c3ed070 5021 if (!f)
892a6ffc 5022 return NULL;
892a6ffc 5023
d0c814ec 5024 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
1d824f37
JA		 5025 if (ret <= 0) {
5026 pclose(f);
892a6ffc 5027 return NULL;
1d824f37 5028 }
892a6ffc 5029
892a6ffc 5030 pclose(f);
d0c814ec
SL		 5031 buf[(tmp - str) + ret - 1] = '\0';
5032 memcpy(buf, str, tmp - str);
892a6ffc 5033 free(str);
d0c814ec
SL		 5034 return strdup(buf);
5035}
5036
5037/*
5038 * Return a copy of the input string with substrings of the form ${VARNAME}
5039 * substituted with the value of the environment variable VARNAME. The
5040 * substitution always occurs, even if VARNAME is empty or the corresponding
5041 * environment variable undefined.
5042 */
b4f5e72f 5043char *fio_option_dup_subs(const char *opt)
d0c814ec
SL		 5044{
5045 char out[OPT_LEN_MAX+1];
5046 char in[OPT_LEN_MAX+1];
5047 char *outptr = out;
5048 char *inptr = in;
5049 char *ch1, *ch2, *env;
5050 ssize_t nchr = OPT_LEN_MAX;
5051 size_t envlen;
5052
5053 if (strlen(opt) + 1 > OPT_LEN_MAX) {
5054 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
5055 return NULL;
5056 }
5057
36833fb0 5058 snprintf(in, sizeof(in), "%s", opt);
d0c814ec
SL		 5059
5060 while (*inptr && nchr > 0) {
5061 if (inptr[0] == '$' && inptr[1] == '{') {
5062 ch2 = strchr(inptr, '}');
5063 if (ch2 && inptr+1 < ch2) {
5064 ch1 = inptr+2;
5065 inptr = ch2+1;
5066 *ch2 = '\0';
5067
5068 env = getenv(ch1);
5069 if (env) {
5070 envlen = strlen(env);
5071 if (envlen <= nchr) {
5072 memcpy(outptr, env, envlen);
5073 outptr += envlen;
5074 nchr -= envlen;
5075 }
5076 }
5077
5078 continue;
5079 }
5080 }
5081
5082 *outptr++ = *inptr++;
5083 --nchr;
5084 }
5085
5086 *outptr = '\0';
5087 return strdup(out);
892a6ffc
JA		 5088}
5089
74929ac2
JA		 5090/*
5091 * Look for reserved variable names and replace them with real values
5092 */
5093static char *fio_keyword_replace(char *opt)
5094{
5095 char *s;
5096 int i;
d0c814ec 5097 int docalc = 0;
74929ac2
JA		 5098
5099 for (i = 0; fio_keywords[i].word != NULL; i++) {
5100 struct fio_keyword *kw = &fio_keywords[i];
5101
5102 while ((s = strstr(opt, kw->word)) != NULL) {
33153428 5103 char *new = calloc(strlen(opt) + 1, 1);
74929ac2
JA		 5104 char *o_org = opt;
5105 int olen = s - opt;
5106 int len;
5107
5108 /*
5109 * Copy part of the string before the keyword and
5110 * sprintf() the replacement after it.
5111 */
5112 memcpy(new, opt, olen);
5113 len = sprintf(new + olen, "%s", kw->replace);
5114
5115 /*
5116 * If there's more in the original string, copy that
5117 * in too
5118 */
85b9ee7e 5119 opt += olen + strlen(kw->word);
33153428 5120 /* keeps final zero thanks to calloc */
74929ac2 5121 if (strlen(opt))
85b9ee7e 5122 memcpy(new + olen + len, opt, strlen(opt));
74929ac2
JA		 5123
5124 /*
5125 * replace opt and free the old opt
5126 */
5127 opt = new;
d0c814ec 5128 free(o_org);
7a958bd5 5129
d0c814ec 5130 docalc = 1;
74929ac2
JA		 5131 }
5132 }
5133
d0c814ec
SL		 5134 /*
5135 * Check for potential math and invoke bc, if possible
5136 */
5137 if (docalc)
5138 opt = bc_calc(opt);
5139
7a958bd5 5140 return opt;
74929ac2
JA		 5141}
5142
d0c814ec
SL		 5143static char **dup_and_sub_options(char **opts, int num_opts)
5144{
5145 int i;
5146 char **opts_copy = malloc(num_opts * sizeof(*opts));
5147 for (i = 0; i < num_opts; i++) {
b4f5e72f 5148 opts_copy[i] = fio_option_dup_subs(opts[i]);
d0c814ec
SL		 5149 if (!opts_copy[i])
5150 continue;
5151 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
5152 }
5153 return opts_copy;
5154}
5155
e15b023b 5156static void show_closest_option(const char *opt)
a2d027b9
JA		 5157{
5158 int best_option, best_distance;
5159 int i, distance;
e15b023b
JA		 5160 char *name;
5161
5162 if (!strlen(opt))
5163 return;
5164
5165 name = strdup(opt);
5166 i = 0;
5167 while (name[i] != '\0' && name[i] != '=')
5168 i++;
5169 name[i] = '\0';
a2d027b9
JA		 5170
5171 best_option = -1;
5172 best_distance = INT_MAX;
5173 i = 0;
5174 while (fio_options[i].name) {
5175 distance = string_distance(name, fio_options[i].name);
5176 if (distance < best_distance) {
5177 best_distance = distance;
5178 best_option = i;
5179 }
5180 i++;
5181 }
5182
75e6bcba
JA		 5183 if (best_option != -1 && string_distance_ok(name, best_distance) &&
5184 fio_options[best_option].type != FIO_OPT_UNSUPPORTED)
a2d027b9 5185 log_err("Did you mean %s?\n", fio_options[best_option].name);
e15b023b
JA		 5186
5187 free(name);
a2d027b9
JA		 5188}
5189
c2292325 5190int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 5191{
de890a1e 5192 int i, ret, unknown;
d0c814ec 5193 char **opts_copy;
3b8b7135 5194
9af4a244 5195 sort_options(opts, fio_options, num_opts);
d0c814ec 5196 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 5197
de890a1e 5198 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
9109883a 5199 const struct fio_option *o;
9af4a244 5200 int newret = parse_option(opts_copy[i], opts[i], fio_options,
a609f12a 5201 &o, &td->o, &td->opt_list);
d0c814ec 5202
a8523a6a
JA		 5203 if (!newret && o)
5204 fio_option_mark_set(&td->o, o);
5205
de890a1e
SL		 5206 if (opts_copy[i]) {
5207 if (newret && !o) {
5208 unknown++;
5209 continue;
5210 }
d0c814ec 5211 free(opts_copy[i]);
de890a1e
SL		 5212 opts_copy[i] = NULL;
5213 }
5214
5215 ret |= newret;
5216 }
5217
5218 if (unknown) {
5219 ret |= ioengine_load(td);
5220 if (td->eo) {
5221 sort_options(opts_copy, td->io_ops->options, num_opts);
5222 opts = opts_copy;
5223 }
5224 for (i = 0; i < num_opts; i++) {
9109883a 5225 const struct fio_option *o = NULL;
de890a1e 5226 int newret = 1;
a2d027b9 5227
de890a1e
SL		 5228 if (!opts_copy[i])
5229 continue;
5230
5231 if (td->eo)
5232 newret = parse_option(opts_copy[i], opts[i],
5233 td->io_ops->options, &o,
66e19a38 5234 td->eo, &td->opt_list);
de890a1e
SL		 5235
5236 ret |= newret;
a2d027b9 5237 if (!o) {
de890a1e 5238 log_err("Bad option <%s>\n", opts[i]);
a2d027b9
JA		 5239 show_closest_option(opts[i]);
5240 }
de890a1e
SL		 5241 free(opts_copy[i]);
5242 opts_copy[i] = NULL;
5243 }
74929ac2 5244 }
3b8b7135 5245
d0c814ec 5246 free(opts_copy);
3b8b7135 5247 return ret;
214e1eca
JA		 5248}
5249
5250int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
5251{
a8523a6a
JA		 5252 int ret;
5253
a609f12a 5254 ret = parse_cmd_option(opt, val, fio_options, &td->o, &td->opt_list);
a8523a6a 5255 if (!ret) {
9109883a 5256 const struct fio_option *o;
a8523a6a 5257
9109883a 5258 o = find_option_c(fio_options, opt);
a8523a6a
JA		 5259 if (o)
5260 fio_option_mark_set(&td->o, o);
5261 }
5262
5263 return ret;
214e1eca
JA		 5264}
5265
de890a1e
SL		 5266int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
5267 char *val)
5268{
d8b4f395
JA		 5269 return parse_cmd_option(opt, val, td->io_ops->options, td->eo,
5270 &td->opt_list);
de890a1e
SL		 5271}
5272
214e1eca
JA		 5273void fio_fill_default_options(struct thread_data *td)
5274{
cb1402d6 5275 td->o.magic = OPT_MAGIC;
a609f12a 5276 fill_default_options(&td->o, fio_options);
214e1eca
JA		 5277}
5278
5279int fio_show_option_help(const char *opt)
5280{
9af4a244 5281 return show_cmd_help(fio_options, opt);
214e1eca 5282}
d23bb327 5283
de890a1e
SL		 5284/*
5285 * dupe FIO_OPT_STR_STORE options
5286 */
5287void fio_options_mem_dupe(struct thread_data *td)
5288{
53b5693d 5289 options_mem_dupe(fio_options, &td->o);
1647f592
JA		 5290
5291 if (td->eo && td->io_ops) {
de890a1e 5292 void *oldeo = td->eo;
1647f592 5293
de890a1e
SL		 5294 td->eo = malloc(td->io_ops->option_struct_size);
5295 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
53b5693d 5296 options_mem_dupe(td->io_ops->options, td->eo);
de890a1e
SL		 5297 }
5298}
5299
d6978a32
JA		 5300unsigned int fio_get_kb_base(void *data)
5301{
a609f12a
JA		 5302 struct thread_data *td = cb_data_to_td(data);
5303 struct thread_options *o = &td->o;
d6978a32
JA		 5304 unsigned int kb_base = 0;
5305
cb1402d6
JA		 5306 /*
5307 * This is a hack... For private options, *data is not holding
5308 * a pointer to the thread_options, but to private data. This means
5309 * we can't safely dereference it, but magic is first so mem wise
5310 * it is valid. But this also means that if the job first sets
5311 * kb_base and expects that to be honored by private options,
5312 * it will be disappointed. We will return the global default
5313 * for this.
5314 */
5315 if (o && o->magic == OPT_MAGIC)
83ea422a 5316 kb_base = o->kb_base;
d6978a32
JA		 5317 if (!kb_base)
5318 kb_base = 1024;
5319
5320 return kb_base;
5321}
9f988e2e 5322
9109883a 5323int add_option(const struct fio_option *o)
9f988e2e 5324{
07b3232d
JA		 5325 struct fio_option *__o;
5326 int opt_index = 0;
5327
9af4a244 5328 __o = fio_options;
07b3232d
JA		 5329 while (__o->name) {
5330 opt_index++;
5331 __o++;
5332 }
5333
7b504edd
JA		 5334 if (opt_index + 1 == FIO_MAX_OPTS) {
5335 log_err("fio: FIO_MAX_OPTS is too small\n");
5336 return 1;
5337 }
5338
9af4a244 5339 memcpy(&fio_options[opt_index], o, sizeof(*o));
7b504edd 5340 fio_options[opt_index + 1].name = NULL;
07b3232d 5341 return 0;
9f988e2e 5342}
e2de69da 5343
07b3232d 5344void invalidate_profile_options(const char *prof_name)
e2de69da 5345{
07b3232d 5346 struct fio_option *o;
e2de69da 5347
9af4a244 5348 o = fio_options;
07b3232d
JA		 5349 while (o->name) {
5350 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
5351 o->type = FIO_OPT_INVALID;
5352 o->prof_name = NULL;
5353 }
5354 o++;
e2de69da
JA		 5355 }
5356}
f5b6bb85
JA		 5357
5358void add_opt_posval(const char *optname, const char *ival, const char *help)
5359{
5360 struct fio_option *o;
5361 unsigned int i;
5362
9af4a244 5363 o = find_option(fio_options, optname);
f5b6bb85
JA		 5364 if (!o)
5365 return;
5366
5367 for (i = 0; i < PARSE_MAX_VP; i++) {
5368 if (o->posval[i].ival)
5369 continue;
5370
5371 o->posval[i].ival = ival;
5372 o->posval[i].help = help;
5373 break;
5374 }
5375}
5376
5377void del_opt_posval(const char *optname, const char *ival)
5378{
5379 struct fio_option *o;
5380 unsigned int i;
5381
9af4a244 5382 o = find_option(fio_options, optname);
f5b6bb85
JA		 5383 if (!o)
5384 return;
5385
5386 for (i = 0; i < PARSE_MAX_VP; i++) {
5387 if (!o->posval[i].ival)
5388 continue;
5389 if (strcmp(o->posval[i].ival, ival))
5390 continue;
5391
5392 o->posval[i].ival = NULL;
5393 o->posval[i].help = NULL;
5394 }
5395}
7e356b2d
JA		 5396
5397void fio_options_free(struct thread_data *td)
5398{
ca6336a8 5399 options_free(fio_options, &td->o);
de890a1e
SL		 5400 if (td->eo && td->io_ops && td->io_ops->options) {
5401 options_free(td->io_ops->options, td->eo);
5402 free(td->eo);
5403 td->eo = NULL;
5404 }
7e356b2d 5405}
c504ee55
JA		 5406
5407struct fio_option *fio_option_find(const char *name)
5408{
5409 return find_option(fio_options, name);
5410}
5411
517c9c72 5412static struct fio_option *find_next_opt(struct fio_option *from,
f0e7f45a 5413 unsigned int off1)
a8523a6a 5414{
f0e7f45a 5415 struct fio_option *opt;
a8523a6a 5416
f0e7f45a
JA		 5417 if (!from)
5418 from = &fio_options[0];
5419 else
5420 from++;
5421
5422 opt = NULL;
5423 do {
5424 if (off1 == from->off1) {
5425 opt = from;
a8523a6a
JA		 5426 break;
5427 }
f0e7f45a
JA		 5428 from++;
5429 } while (from->name);
a8523a6a 5430
f0e7f45a
JA		 5431 return opt;
5432}
5433
5434static int opt_is_set(struct thread_options *o, struct fio_option *opt)
5435{
5436 unsigned int opt_off, index, offset;
a8523a6a
JA		 5437
5438 opt_off = opt - &fio_options[0];
5439 index = opt_off / (8 * sizeof(uint64_t));
5440 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5441 return (o->set_options[index] & ((uint64_t)1 << offset)) != 0;
a8523a6a
JA		 5442}
5443
72f39748 5444bool __fio_option_is_set(struct thread_options *o, unsigned int off1)
f0e7f45a
JA		 5445{
5446 struct fio_option *opt, *next;
5447
5448 next = NULL;
517c9c72 5449 while ((opt = find_next_opt(next, off1)) != NULL) {
f0e7f45a 5450 if (opt_is_set(o, opt))
72f39748 5451 return true;
f0e7f45a
JA		 5452
5453 next = opt;
5454 }
5455
72f39748 5456 return false;
f0e7f45a
JA		 5457}
5458
9109883a 5459void fio_option_mark_set(struct thread_options *o, const struct fio_option *opt)
a8523a6a
JA		 5460{
5461 unsigned int opt_off, index, offset;
5462
5463 opt_off = opt - &fio_options[0];
5464 index = opt_off / (8 * sizeof(uint64_t));
5465 offset = opt_off & ((8 * sizeof(uint64_t)) - 1);
e9d686d6 5466 o->set_options[index] |= (uint64_t)1 << offset;
a8523a6a 5467}
fio - Flexible IO Tester