Unify options with gfio
[fio.git] / options.c
CommitLineData
214e1eca
JA
1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
214e1eca 6#include <assert.h>
921c766f 7#include <libgen.h>
5921e80c
JA
8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
214e1eca
JA
11
12#include "fio.h"
4f5af7b2 13#include "verify.h"
214e1eca 14#include "parse.h"
eef32359 15#include "lib/fls.h"
9f988e2e 16#include "options.h"
214e1eca 17
5d7c5d34
JA
18#include "crc/crc32c.h"
19
214e1eca
JA
20/*
21 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
22 */
23static char *get_opt_postfix(const char *str)
24{
25 char *p = strstr(str, ":");
26
27 if (!p)
28 return NULL;
29
30 p++;
31 strip_blank_front(&p);
32 strip_blank_end(p);
33 return strdup(p);
34}
35
0e92f873
RR
36static int converthexchartoint(char a)
37{
38 int base;
39
40 switch(a) {
41 case '0'...'9':
42 base = '0';
43 break;
44 case 'A'...'F':
45 base = 'A' - 10;
46 break;
47 case 'a'...'f':
48 base = 'a' - 10;
49 break;
50 default:
51 base = 0;
52 }
53 return (a - base);
54}
55
564ca972
JA
56static int bs_cmp(const void *p1, const void *p2)
57{
58 const struct bssplit *bsp1 = p1;
59 const struct bssplit *bsp2 = p2;
60
61 return bsp1->perc < bsp2->perc;
62}
63
720e84ad 64static int bssplit_ddir(struct thread_data *td, int ddir, char *str)
564ca972 65{
720e84ad 66 struct bssplit *bssplit;
564ca972
JA
67 unsigned int i, perc, perc_missing;
68 unsigned int max_bs, min_bs;
69 long long val;
720e84ad 70 char *fname;
564ca972 71
720e84ad
JA
72 td->o.bssplit_nr[ddir] = 4;
73 bssplit = malloc(4 * sizeof(struct bssplit));
564ca972
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74
75 i = 0;
76 max_bs = 0;
77 min_bs = -1;
78 while ((fname = strsep(&str, ":")) != NULL) {
79 char *perc_str;
80
81 if (!strlen(fname))
82 break;
83
84 /*
85 * grow struct buffer, if needed
86 */
720e84ad
JA
87 if (i == td->o.bssplit_nr[ddir]) {
88 td->o.bssplit_nr[ddir] <<= 1;
89 bssplit = realloc(bssplit, td->o.bssplit_nr[ddir]
5ec10eaa 90 * sizeof(struct bssplit));
564ca972
JA
91 }
92
93 perc_str = strstr(fname, "/");
94 if (perc_str) {
95 *perc_str = '\0';
96 perc_str++;
97 perc = atoi(perc_str);
98 if (perc > 100)
99 perc = 100;
100 else if (!perc)
101 perc = -1;
102 } else
103 perc = -1;
104
6925dd35 105 if (str_to_decimal(fname, &val, 1, td)) {
564ca972
JA
106 log_err("fio: bssplit conversion failed\n");
107 free(td->o.bssplit);
108 return 1;
109 }
110
111 if (val > max_bs)
112 max_bs = val;
113 if (val < min_bs)
114 min_bs = val;
115
720e84ad
JA
116 bssplit[i].bs = val;
117 bssplit[i].perc = perc;
564ca972
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118 i++;
119 }
120
720e84ad 121 td->o.bssplit_nr[ddir] = i;
564ca972
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122
123 /*
124 * Now check if the percentages add up, and how much is missing
125 */
126 perc = perc_missing = 0;
720e84ad
JA
127 for (i = 0; i < td->o.bssplit_nr[ddir]; i++) {
128 struct bssplit *bsp = &bssplit[i];
564ca972
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129
130 if (bsp->perc == (unsigned char) -1)
131 perc_missing++;
132 else
133 perc += bsp->perc;
134 }
135
136 if (perc > 100) {
137 log_err("fio: bssplit percentages add to more than 100%%\n");
720e84ad 138 free(bssplit);
564ca972
JA
139 return 1;
140 }
141 /*
142 * If values didn't have a percentage set, divide the remains between
143 * them.
144 */
145 if (perc_missing) {
720e84ad
JA
146 for (i = 0; i < td->o.bssplit_nr[ddir]; i++) {
147 struct bssplit *bsp = &bssplit[i];
564ca972
JA
148
149 if (bsp->perc == (unsigned char) -1)
150 bsp->perc = (100 - perc) / perc_missing;
151 }
152 }
153
720e84ad
JA
154 td->o.min_bs[ddir] = min_bs;
155 td->o.max_bs[ddir] = max_bs;
564ca972
JA
156
157 /*
158 * now sort based on percentages, for ease of lookup
159 */
720e84ad
JA
160 qsort(bssplit, td->o.bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
161 td->o.bssplit[ddir] = bssplit;
162 return 0;
163
164}
165
166static int str_bssplit_cb(void *data, const char *input)
167{
168 struct thread_data *td = data;
6eaf09d6 169 char *str, *p, *odir, *ddir;
720e84ad
JA
170 int ret = 0;
171
172 p = str = strdup(input);
173
174 strip_blank_front(&str);
175 strip_blank_end(str);
176
177 odir = strchr(str, ',');
178 if (odir) {
6eaf09d6
SL
179 ddir = strchr(odir + 1, ',');
180 if (ddir) {
181 ret = bssplit_ddir(td, DDIR_TRIM, ddir + 1);
182 if (!ret)
183 *ddir = '\0';
184 } else {
185 char *op;
186
187 op = strdup(odir + 1);
188 ret = bssplit_ddir(td, DDIR_TRIM, op);
189
190 free(op);
191 }
192 if (!ret)
193 ret = bssplit_ddir(td, DDIR_WRITE, odir + 1);
720e84ad
JA
194 if (!ret) {
195 *odir = '\0';
196 ret = bssplit_ddir(td, DDIR_READ, str);
197 }
198 } else {
199 char *op;
200
201 op = strdup(str);
6eaf09d6
SL
202 ret = bssplit_ddir(td, DDIR_WRITE, op);
203 free(op);
720e84ad 204
6eaf09d6
SL
205 if (!ret) {
206 op = strdup(str);
207 ret = bssplit_ddir(td, DDIR_TRIM, op);
208 free(op);
209 }
720e84ad 210 ret = bssplit_ddir(td, DDIR_READ, str);
720e84ad 211 }
564ca972
JA
212
213 free(p);
720e84ad 214 return ret;
564ca972
JA
215}
216
8b28bd41
DM
217static int str2error(char *str)
218{
219 const char * err[] = {"EPERM", "ENOENT", "ESRCH", "EINTR", "EIO",
220 "ENXIO", "E2BIG", "ENOEXEC", "EBADF",
221 "ECHILD", "EAGAIN", "ENOMEM", "EACCES",
222 "EFAULT", "ENOTBLK", "EBUSY", "EEXIST",
223 "EXDEV", "ENODEV", "ENOTDIR", "EISDIR",
224 "EINVAL", "ENFILE", "EMFILE", "ENOTTY",
225 "ETXTBSY","EFBIG", "ENOSPC", "ESPIPE",
226 "EROFS","EMLINK", "EPIPE", "EDOM", "ERANGE"};
227 int i = 0, num = sizeof(err) / sizeof(void *);
228
229 while( i < num) {
230 if (!strcmp(err[i], str))
231 return i + 1;
232 i++;
233 }
234 return 0;
235}
236
237static int ignore_error_type(struct thread_data *td, int etype, char *str)
238{
239 unsigned int i;
240 int *error;
241 char *fname;
242
243 if (etype >= ERROR_TYPE_CNT) {
244 log_err("Illegal error type\n");
245 return 1;
246 }
247
248 td->o.ignore_error_nr[etype] = 4;
249 error = malloc(4 * sizeof(struct bssplit));
250
251 i = 0;
252 while ((fname = strsep(&str, ":")) != NULL) {
253
254 if (!strlen(fname))
255 break;
256
257 /*
258 * grow struct buffer, if needed
259 */
260 if (i == td->o.ignore_error_nr[etype]) {
261 td->o.ignore_error_nr[etype] <<= 1;
262 error = realloc(error, td->o.ignore_error_nr[etype]
263 * sizeof(int));
264 }
265 if (fname[0] == 'E') {
266 error[i] = str2error(fname);
267 } else {
268 error[i] = atoi(fname);
269 if (error[i] < 0)
270 error[i] = error[i];
271 }
272 if (!error[i]) {
273 log_err("Unknown error %s, please use number value \n",
274 fname);
275 return 1;
276 }
277 i++;
278 }
279 if (i) {
280 td->o.continue_on_error |= 1 << etype;
281 td->o.ignore_error_nr[etype] = i;
282 td->o.ignore_error[etype] = error;
283 }
284 return 0;
285
286}
287
288static int str_ignore_error_cb(void *data, const char *input)
289{
290 struct thread_data *td = data;
291 char *str, *p, *n;
292 int type = 0, ret = 1;
293 p = str = strdup(input);
294
295 strip_blank_front(&str);
296 strip_blank_end(str);
297
298 while (p) {
299 n = strchr(p, ',');
300 if (n)
301 *n++ = '\0';
302 ret = ignore_error_type(td, type, p);
303 if (ret)
304 break;
305 p = n;
306 type++;
307 }
308 free(str);
309 return ret;
310}
311
211097b2
JA
312static int str_rw_cb(void *data, const char *str)
313{
314 struct thread_data *td = data;
315 char *nr = get_opt_postfix(str);
316
5736c10d 317 td->o.ddir_seq_nr = 1;
059b0802
JA
318 td->o.ddir_seq_add = 0;
319
320 if (!nr)
321 return 0;
322
323 if (td_random(td))
5736c10d 324 td->o.ddir_seq_nr = atoi(nr);
059b0802
JA
325 else {
326 long long val;
327
6925dd35 328 if (str_to_decimal(nr, &val, 1, td)) {
059b0802
JA
329 log_err("fio: rw postfix parsing failed\n");
330 free(nr);
331 return 1;
332 }
333
334 td->o.ddir_seq_add = val;
182ec6ee 335 }
211097b2 336
059b0802 337 free(nr);
211097b2
JA
338 return 0;
339}
340
214e1eca
JA
341static int str_mem_cb(void *data, const char *mem)
342{
343 struct thread_data *td = data;
344
d9759b1e 345 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP)
214e1eca 346 td->mmapfile = get_opt_postfix(mem);
214e1eca
JA
347
348 return 0;
349}
350
5d7c5d34
JA
351static int str_verify_cb(void *data, const char *mem)
352{
353 struct thread_data *td = data;
354
e3aaafc4
JA
355 if (td->o.verify == VERIFY_CRC32C_INTEL ||
356 td->o.verify == VERIFY_CRC32C) {
357 crc32c_intel_probe();
5d7c5d34
JA
358 }
359
360 return 0;
361}
362
c223da83
JA
363static int fio_clock_source_cb(void *data, const char *str)
364{
365 struct thread_data *td = data;
366
367 fio_clock_source = td->o.clocksource;
fa80feae 368 fio_clock_source_set = 1;
01423eae 369 fio_clock_init();
c223da83
JA
370 return 0;
371}
372
85bc833b 373static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA
374{
375 struct thread_data *td = data;
376
377 td->o.rwmix[DDIR_READ] = *val;
378 td->o.rwmix[DDIR_WRITE] = 100 - *val;
379 return 0;
380}
381
85bc833b 382static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA
383{
384 struct thread_data *td = data;
385
386 td->o.rwmix[DDIR_WRITE] = *val;
387 td->o.rwmix[DDIR_READ] = 100 - *val;
388 return 0;
389}
390
214e1eca 391#ifdef FIO_HAVE_IOPRIO
85bc833b 392static int str_prioclass_cb(void *data, unsigned long long *val)
214e1eca
JA
393{
394 struct thread_data *td = data;
6cefbe33
JA
395 unsigned short mask;
396
397 /*
398 * mask off old class bits, str_prio_cb() may have set a default class
399 */
400 mask = (1 << IOPRIO_CLASS_SHIFT) - 1;
401 td->ioprio &= mask;
214e1eca
JA
402
403 td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
ac684785 404 td->ioprio_set = 1;
214e1eca
JA
405 return 0;
406}
407
85bc833b 408static int str_prio_cb(void *data, unsigned long long *val)
214e1eca
JA
409{
410 struct thread_data *td = data;
411
412 td->ioprio |= *val;
6cefbe33
JA
413
414 /*
415 * If no class is set, assume BE
416 */
417 if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0)
418 td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT;
419
ac684785 420 td->ioprio_set = 1;
214e1eca
JA
421 return 0;
422}
423#endif
424
425static int str_exitall_cb(void)
426{
427 exitall_on_terminate = 1;
428 return 0;
429}
430
214e1eca 431#ifdef FIO_HAVE_CPU_AFFINITY
85bc833b 432static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA
433{
434 struct thread_data *td = data;
214e1eca 435 unsigned int i;
b03daafb 436 long max_cpu;
d2ce18b5
JA
437 int ret;
438
439 ret = fio_cpuset_init(&td->o.cpumask);
440 if (ret < 0) {
441 log_err("fio: cpuset_init failed\n");
442 td_verror(td, ret, "fio_cpuset_init");
443 return 1;
444 }
214e1eca 445
c00a2289 446 max_cpu = cpus_online();
214e1eca 447
62a7273d
JA
448 for (i = 0; i < sizeof(int) * 8; i++) {
449 if ((1 << i) & *val) {
b03daafb
JA
450 if (i > max_cpu) {
451 log_err("fio: CPU %d too large (max=%ld)\n", i,
452 max_cpu);
453 return 1;
454 }
62a7273d 455 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 456 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA
457 }
458 }
d2e268b0
JA
459
460 td->o.cpumask_set = 1;
461 return 0;
214e1eca
JA
462}
463
e8462bd8
JA
464static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
465 const char *input)
214e1eca 466{
d2e268b0 467 char *cpu, *str, *p;
b03daafb 468 long max_cpu;
19608d6c 469 int ret = 0;
d2e268b0 470
e8462bd8 471 ret = fio_cpuset_init(mask);
d2ce18b5
JA
472 if (ret < 0) {
473 log_err("fio: cpuset_init failed\n");
474 td_verror(td, ret, "fio_cpuset_init");
475 return 1;
476 }
d2e268b0
JA
477
478 p = str = strdup(input);
214e1eca 479
d2e268b0
JA
480 strip_blank_front(&str);
481 strip_blank_end(str);
482
c00a2289 483 max_cpu = cpus_online();
b03daafb 484
d2e268b0 485 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA
486 char *str2, *cpu2;
487 int icpu, icpu2;
488
d2e268b0
JA
489 if (!strlen(cpu))
490 break;
62a7273d
JA
491
492 str2 = cpu;
493 icpu2 = -1;
494 while ((cpu2 = strsep(&str2, "-")) != NULL) {
495 if (!strlen(cpu2))
496 break;
497
498 icpu2 = atoi(cpu2);
499 }
500
501 icpu = atoi(cpu);
502 if (icpu2 == -1)
503 icpu2 = icpu;
504 while (icpu <= icpu2) {
6d459ee7 505 if (icpu >= FIO_MAX_CPUS) {
19608d6c 506 log_err("fio: your OS only supports up to"
6d459ee7 507 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA
508 ret = 1;
509 break;
510 }
b03daafb
JA
511 if (icpu > max_cpu) {
512 log_err("fio: CPU %d too large (max=%ld)\n",
513 icpu, max_cpu);
514 ret = 1;
515 break;
516 }
0b9d69ec 517
62a7273d 518 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 519 fio_cpu_set(mask, icpu);
62a7273d
JA
520 icpu++;
521 }
19608d6c
JA
522 if (ret)
523 break;
d2e268b0
JA
524 }
525
526 free(p);
19608d6c
JA
527 if (!ret)
528 td->o.cpumask_set = 1;
529 return ret;
214e1eca 530}
e8462bd8
JA
531
532static int str_cpus_allowed_cb(void *data, const char *input)
533{
534 struct thread_data *td = data;
535 int ret;
536
537 ret = set_cpus_allowed(td, &td->o.cpumask, input);
538 if (!ret)
539 td->o.cpumask_set = 1;
540
541 return ret;
542}
543
544static int str_verify_cpus_allowed_cb(void *data, const char *input)
545{
546 struct thread_data *td = data;
547 int ret;
548
549 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
550 if (!ret)
551 td->o.verify_cpumask_set = 1;
552
553 return ret;
554}
d2e268b0 555#endif
214e1eca 556
67bf9823 557#ifdef CONFIG_LIBNUMA
d0b937ed
YR
558static int str_numa_cpunodes_cb(void *data, char *input)
559{
560 struct thread_data *td = data;
561
562 /* numa_parse_nodestring() parses a character string list
563 * of nodes into a bit mask. The bit mask is allocated by
564 * numa_allocate_nodemask(), so it should be freed by
565 * numa_free_nodemask().
566 */
567 td->o.numa_cpunodesmask = numa_parse_nodestring(input);
568 if (td->o.numa_cpunodesmask == NULL) {
569 log_err("fio: numa_parse_nodestring failed\n");
570 td_verror(td, 1, "str_numa_cpunodes_cb");
571 return 1;
572 }
573
574 td->o.numa_cpumask_set = 1;
575 return 0;
576}
577
578static int str_numa_mpol_cb(void *data, char *input)
579{
580 struct thread_data *td = data;
581 const char * const policy_types[] =
582 { "default", "prefer", "bind", "interleave", "local" };
583 int i;
584
585 char *nodelist = strchr(input, ':');
586 if (nodelist) {
587 /* NUL-terminate mode */
588 *nodelist++ = '\0';
589 }
590
591 for (i = 0; i <= MPOL_LOCAL; i++) {
592 if (!strcmp(input, policy_types[i])) {
593 td->o.numa_mem_mode = i;
594 break;
595 }
596 }
597 if (i > MPOL_LOCAL) {
598 log_err("fio: memory policy should be: default, prefer, bind, interleave, local\n");
599 goto out;
600 }
601
602 switch (td->o.numa_mem_mode) {
603 case MPOL_PREFERRED:
604 /*
605 * Insist on a nodelist of one node only
606 */
607 if (nodelist) {
608 char *rest = nodelist;
609 while (isdigit(*rest))
610 rest++;
611 if (*rest) {
612 log_err("fio: one node only for \'prefer\'\n");
613 goto out;
614 }
615 } else {
616 log_err("fio: one node is needed for \'prefer\'\n");
617 goto out;
618 }
619 break;
620 case MPOL_INTERLEAVE:
621 /*
622 * Default to online nodes with memory if no nodelist
623 */
624 if (!nodelist)
625 nodelist = strdup("all");
626 break;
627 case MPOL_LOCAL:
628 case MPOL_DEFAULT:
629 /*
630 * Don't allow a nodelist
631 */
632 if (nodelist) {
633 log_err("fio: NO nodelist for \'local\'\n");
634 goto out;
635 }
636 break;
637 case MPOL_BIND:
638 /*
639 * Insist on a nodelist
640 */
641 if (!nodelist) {
642 log_err("fio: a nodelist is needed for \'bind\'\n");
643 goto out;
644 }
645 break;
646 }
647
648
649 /* numa_parse_nodestring() parses a character string list
650 * of nodes into a bit mask. The bit mask is allocated by
651 * numa_allocate_nodemask(), so it should be freed by
652 * numa_free_nodemask().
653 */
654 switch (td->o.numa_mem_mode) {
655 case MPOL_PREFERRED:
656 td->o.numa_mem_prefer_node = atoi(nodelist);
657 break;
658 case MPOL_INTERLEAVE:
659 case MPOL_BIND:
660 td->o.numa_memnodesmask = numa_parse_nodestring(nodelist);
661 if (td->o.numa_memnodesmask == NULL) {
662 log_err("fio: numa_parse_nodestring failed\n");
663 td_verror(td, 1, "str_numa_memnodes_cb");
664 return 1;
665 }
666 break;
667 case MPOL_LOCAL:
668 case MPOL_DEFAULT:
669 default:
670 break;
671 }
672
673 td->o.numa_memmask_set = 1;
674 return 0;
675
676out:
677 return 1;
678}
679#endif
680
214e1eca
JA
681static int str_fst_cb(void *data, const char *str)
682{
683 struct thread_data *td = data;
684 char *nr = get_opt_postfix(str);
685
686 td->file_service_nr = 1;
182ec6ee 687 if (nr) {
214e1eca 688 td->file_service_nr = atoi(nr);
182ec6ee
JA
689 free(nr);
690 }
214e1eca
JA
691
692 return 0;
693}
694
67bf9823 695#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
696static int str_sfr_cb(void *data, const char *str)
697{
698 struct thread_data *td = data;
699 char *nr = get_opt_postfix(str);
700
701 td->sync_file_range_nr = 1;
702 if (nr) {
703 td->sync_file_range_nr = atoi(nr);
704 free(nr);
705 }
706
707 return 0;
708}
3ae06371 709#endif
44f29692 710
e25839d4
JA
711static int str_random_distribution_cb(void *data, const char *str)
712{
713 struct thread_data *td = data;
714 double val;
715 char *nr;
716
925fee33
JA
717 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
718 val = 1.1;
719 else if (td->o.random_distribution == FIO_RAND_DIST_PARETO)
720 val = 0.2;
721 else
e25839d4
JA
722 return 0;
723
724 nr = get_opt_postfix(str);
925fee33 725 if (nr && !str_to_float(nr, &val)) {
e25839d4
JA
726 log_err("fio: random postfix parsing failed\n");
727 free(nr);
728 return 1;
729 }
730
078189c1
JA
731 free(nr);
732
18ded917
JA
733 if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) {
734 if (val == 1.00) {
735 log_err("fio: zipf theta must different than 1.0\n");
736 return 1;
737 }
925fee33 738 td->o.zipf_theta = val;
18ded917 739 } else {
078189c1
JA
740 if (val <= 0.00 || val >= 1.00) {
741 log_err("fio: pareto input out of range (0 < input < 1.0)\n");
742 return 1;
743 }
925fee33 744 td->o.pareto_h = val;
078189c1 745 }
925fee33 746
e25839d4
JA
747 return 0;
748}
749
921c766f
JA
750static int check_dir(struct thread_data *td, char *fname)
751{
3f0ca9b9 752#if 0
921c766f 753 char file[PATH_MAX], *dir;
bc838919 754 int elen = 0;
921c766f 755
bc838919
JA
756 if (td->o.directory) {
757 strcpy(file, td->o.directory);
fcef0b35 758 strcat(file, "/");
bc838919
JA
759 elen = strlen(file);
760 }
761
fcef0b35 762 sprintf(file + elen, "%s", fname);
921c766f
JA
763 dir = dirname(file);
764
fcef0b35
JA
765 {
766 struct stat sb;
767 /*
768 * We can't do this on FIO_DISKLESSIO engines. The engine isn't loaded
769 * yet, so we can't do this check right here...
770 */
921c766f
JA
771 if (lstat(dir, &sb) < 0) {
772 int ret = errno;
773
774 log_err("fio: %s is not a directory\n", dir);
775 td_verror(td, ret, "lstat");
776 return 1;
777 }
778
779 if (!S_ISDIR(sb.st_mode)) {
780 log_err("fio: %s is not a directory\n", dir);
781 return 1;
782 }
fcef0b35
JA
783 }
784#endif
921c766f
JA
785
786 return 0;
787}
788
8e827d35
JA
789/*
790 * Return next file in the string. Files are separated with ':'. If the ':'
791 * is escaped with a '\', then that ':' is part of the filename and does not
792 * indicate a new file.
793 */
794static char *get_next_file_name(char **ptr)
795{
796 char *str = *ptr;
797 char *p, *start;
798
799 if (!str || !strlen(str))
800 return NULL;
801
802 start = str;
803 do {
804 /*
805 * No colon, we are done
806 */
807 p = strchr(str, ':');
808 if (!p) {
809 *ptr = NULL;
810 break;
811 }
812
813 /*
814 * We got a colon, but it's the first character. Skip and
815 * continue
816 */
817 if (p == start) {
818 str = ++start;
819 continue;
820 }
821
822 if (*(p - 1) != '\\') {
823 *p = '\0';
824 *ptr = p + 1;
825 break;
826 }
827
828 memmove(p - 1, p, strlen(p) + 1);
829 str = p;
830 } while (1);
831
832 return start;
833}
834
214e1eca
JA
835static int str_filename_cb(void *data, const char *input)
836{
837 struct thread_data *td = data;
838 char *fname, *str, *p;
839
840 p = str = strdup(input);
841
842 strip_blank_front(&str);
843 strip_blank_end(str);
844
845 if (!td->files_index)
2dc1bbeb 846 td->o.nr_files = 0;
214e1eca 847
8e827d35 848 while ((fname = get_next_file_name(&str)) != NULL) {
214e1eca
JA
849 if (!strlen(fname))
850 break;
921c766f
JA
851 if (check_dir(td, fname)) {
852 free(p);
853 return 1;
854 }
214e1eca 855 add_file(td, fname);
2dc1bbeb 856 td->o.nr_files++;
214e1eca
JA
857 }
858
859 free(p);
860 return 0;
861}
862
863static int str_directory_cb(void *data, const char fio_unused *str)
864{
865 struct thread_data *td = data;
866 struct stat sb;
867
2dc1bbeb 868 if (lstat(td->o.directory, &sb) < 0) {
921c766f
JA
869 int ret = errno;
870
2dc1bbeb 871 log_err("fio: %s is not a directory\n", td->o.directory);
921c766f 872 td_verror(td, ret, "lstat");
214e1eca
JA
873 return 1;
874 }
875 if (!S_ISDIR(sb.st_mode)) {
2dc1bbeb 876 log_err("fio: %s is not a directory\n", td->o.directory);
214e1eca
JA
877 return 1;
878 }
879
880 return 0;
881}
882
883static int str_opendir_cb(void *data, const char fio_unused *str)
884{
885 struct thread_data *td = data;
886
887 if (!td->files_index)
2dc1bbeb 888 td->o.nr_files = 0;
214e1eca 889
2dc1bbeb 890 return add_dir_files(td, td->o.opendir);
214e1eca
JA
891}
892
85bc833b 893static int str_verify_offset_cb(void *data, unsigned long long *off)
546a9142
SL
894{
895 struct thread_data *td = data;
a59e170d 896
546a9142 897 if (*off && *off < sizeof(struct verify_header)) {
a59e170d 898 log_err("fio: verify_offset too small\n");
546a9142
SL
899 return 1;
900 }
a59e170d
JA
901
902 td->o.verify_offset = *off;
546a9142
SL
903 return 0;
904}
905
0e92f873 906static int str_verify_pattern_cb(void *data, const char *input)
90059d65
JA
907{
908 struct thread_data *td = data;
0e92f873
RR
909 long off;
910 int i = 0, j = 0, len, k, base = 10;
911 char* loc1, * loc2;
912
913 loc1 = strstr(input, "0x");
914 loc2 = strstr(input, "0X");
915 if (loc1 || loc2)
916 base = 16;
917 off = strtol(input, NULL, base);
918 if (off != LONG_MAX || errno != ERANGE) {
919 while (off) {
920 td->o.verify_pattern[i] = off & 0xff;
921 off >>= 8;
922 i++;
923 }
924 } else {
925 len = strlen(input);
926 k = len - 1;
927 if (base == 16) {
928 if (loc1)
929 j = loc1 - input + 2;
930 else
931 j = loc2 - input + 2;
932 } else
933 return 1;
934 if (len - j < MAX_PATTERN_SIZE * 2) {
935 while (k >= j) {
936 off = converthexchartoint(input[k--]);
937 if (k >= j)
938 off += (converthexchartoint(input[k--])
939 * 16);
940 td->o.verify_pattern[i++] = (char) off;
941 }
942 }
943 }
efcd9dcc
SL
944
945 /*
946 * Fill the pattern all the way to the end. This greatly reduces
947 * the number of memcpy's we have to do when verifying the IO.
948 */
949 while (i > 1 && i * 2 <= MAX_PATTERN_SIZE) {
950 memcpy(&td->o.verify_pattern[i], &td->o.verify_pattern[0], i);
951 i *= 2;
952 }
9a2a86d0
SL
953 if (i == 1) {
954 /*
955 * The code in verify_io_u_pattern assumes a single byte pattern
956 * fills the whole verify pattern buffer.
957 */
958 memset(td->o.verify_pattern, td->o.verify_pattern[0],
959 MAX_PATTERN_SIZE);
960 }
efcd9dcc 961
0e92f873 962 td->o.verify_pattern_bytes = i;
efcd9dcc 963
92bf48d5
JA
964 /*
965 * VERIFY_META could already be set
966 */
967 if (td->o.verify == VERIFY_NONE)
968 td->o.verify = VERIFY_PATTERN;
efcd9dcc 969
90059d65
JA
970 return 0;
971}
214e1eca 972
e3cedca7
JA
973static int str_write_bw_log_cb(void *data, const char *str)
974{
975 struct thread_data *td = data;
976
977 if (str)
978 td->o.bw_log_file = strdup(str);
979
980 td->o.write_bw_log = 1;
981 return 0;
982}
983
984static int str_write_lat_log_cb(void *data, const char *str)
985{
986 struct thread_data *td = data;
987
988 if (str)
989 td->o.lat_log_file = strdup(str);
990
991 td->o.write_lat_log = 1;
992 return 0;
993}
994
c8eeb9df
JA
995static int str_write_iops_log_cb(void *data, const char *str)
996{
997 struct thread_data *td = data;
998
999 if (str)
1000 td->o.iops_log_file = strdup(str);
1001
1002 td->o.write_iops_log = 1;
1003 return 0;
1004}
1005
993bf48b
JA
1006static int str_gtod_reduce_cb(void *data, int *il)
1007{
1008 struct thread_data *td = data;
1009 int val = *il;
1010
02af0988 1011 td->o.disable_lat = !!val;
993bf48b
JA
1012 td->o.disable_clat = !!val;
1013 td->o.disable_slat = !!val;
1014 td->o.disable_bw = !!val;
0dc1bc03 1015 td->o.clat_percentiles = !val;
993bf48b
JA
1016 if (val)
1017 td->tv_cache_mask = 63;
1018
1019 return 0;
1020}
1021
85bc833b 1022static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA
1023{
1024 struct thread_data *td = data;
1025 int val = *il;
1026
1027 td->o.gtod_cpu = val;
1028 td->o.gtod_offload = 1;
1029 return 0;
1030}
1031
7bb59102
JA
1032static int str_size_cb(void *data, unsigned long long *__val)
1033{
1034 struct thread_data *td = data;
1035 unsigned long long v = *__val;
1036
1037 if (parse_is_percent(v)) {
1038 td->o.size = 0;
1039 td->o.size_percent = -1ULL - v;
1040 } else
1041 td->o.size = v;
1042
1043 return 0;
1044}
1045
896cac2a
JA
1046static int rw_verify(struct fio_option *o, void *data)
1047{
1048 struct thread_data *td = data;
1049
1050 if (read_only && td_write(td)) {
1051 log_err("fio: job <%s> has write bit set, but fio is in"
1052 " read-only mode\n", td->o.name);
1053 return 1;
1054 }
1055
1056 return 0;
1057}
1058
276ca4f7 1059static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 1060{
276ca4f7 1061#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA
1062 struct thread_data *td = data;
1063
29d43ff9
JA
1064 if (td->o.gtod_cpu) {
1065 log_err("fio: platform must support CPU affinity for"
1066 "gettimeofday() offloading\n");
1067 return 1;
1068 }
1069#endif
1070
1071 return 0;
1072}
1073
81c6b6cd
JA
1074/*
1075 * Option grouping
1076 */
1077static struct opt_group fio_opt_groups[] = {
1078 {
1079 .name = "General",
1080 .mask = FIO_OPT_C_GENERAL,
1081 },
1082 {
1083 .name = "I/O",
1084 .mask = FIO_OPT_C_IO,
1085 },
1086 {
1087 .name = "File",
1088 .mask = FIO_OPT_C_FILE,
1089 },
1090 {
1091 .name = "Statistics",
1092 .mask = FIO_OPT_C_STAT,
1093 },
1094 {
1095 .name = "Logging",
1096 .mask = FIO_OPT_C_LOG,
1097 },
1098 {
1099 .name = "Profiles",
1100 .mask = FIO_OPT_C_PROFILE,
1101 },
1102 {
1103 .name = NULL,
1104 },
1105};
1106
1107static struct opt_group *__opt_group_from_mask(struct opt_group *ogs, unsigned int *mask,
1108 unsigned int inv_mask)
1109{
1110 struct opt_group *og;
1111 int i;
1112
1113 if (*mask == inv_mask || !*mask)
1114 return NULL;
1115
1116 for (i = 0; ogs[i].name; i++) {
1117 og = &ogs[i];
1118
1119 if (*mask & og->mask) {
1120 *mask &= ~(og->mask);
1121 return og;
1122 }
1123 }
1124
1125 return NULL;
1126}
1127
1128struct opt_group *opt_group_from_mask(unsigned int *mask)
1129{
1130 return __opt_group_from_mask(fio_opt_groups, mask, FIO_OPT_C_INVALID);
1131}
1132
1133static struct opt_group fio_opt_cat_groups[] = {
1134 {
1135 .name = "Rate",
1136 .mask = FIO_OPT_G_RATE,
1137 },
1138 {
1139 .name = "Zone",
1140 .mask = FIO_OPT_G_ZONE,
1141 },
1142 {
1143 .name = "Read/write mix",
1144 .mask = FIO_OPT_G_RWMIX,
1145 },
1146 {
1147 .name = "Verify",
1148 .mask = FIO_OPT_G_VERIFY,
1149 },
1150 {
1151 .name = "Trim",
1152 .mask = FIO_OPT_G_TRIM,
1153 },
1154 {
1155 .name = "I/O Logging",
1156 .mask = FIO_OPT_G_IOLOG,
1157 },
1158 {
1159 .name = "I/O Depth",
1160 .mask = FIO_OPT_G_IO_DEPTH,
1161 },
1162 {
1163 .name = "I/O Flow",
1164 .mask = FIO_OPT_G_IO_FLOW,
1165 },
1166 {
1167 .name = "Description",
1168 .mask = FIO_OPT_G_DESC,
1169 },
1170 {
1171 .name = "Filename",
1172 .mask = FIO_OPT_G_FILENAME,
1173 },
1174 {
1175 .name = "General I/O",
1176 .mask = FIO_OPT_G_IO_BASIC,
1177 },
1178 {
1179 .name = "Cgroups",
1180 .mask = FIO_OPT_G_CGROUP,
1181 },
1182 {
1183 .name = "Runtime",
1184 .mask = FIO_OPT_G_RUNTIME,
1185 },
1186 {
1187 .name = "Process",
1188 .mask = FIO_OPT_G_PROCESS,
1189 },
1190 {
1191 .name = "Job credentials / priority",
1192 .mask = FIO_OPT_G_CRED,
1193 },
1194 {
1195 .name = "Clock settings",
1196 .mask = FIO_OPT_G_CLOCK,
1197 },
1198 {
1199 .name = "I/O Type",
1200 .mask = FIO_OPT_G_IO_TYPE,
1201 },
1202 {
1203 .name = "I/O Thinktime",
1204 .mask = FIO_OPT_G_THINKTIME,
1205 },
1206 {
1207 .name = "Randomizations",
1208 .mask = FIO_OPT_G_RANDOM,
1209 },
1210 {
1211 .name = "I/O buffers",
1212 .mask = FIO_OPT_G_IO_BUF,
1213 },
1214 {
1215 .name = "Tiobench profile",
1216 .mask = FIO_OPT_G_TIOBENCH,
1217 },
1218
1219 {
1220 .name = NULL,
1221 }
1222};
1223
1224struct opt_group *opt_group_cat_from_mask(unsigned int *mask)
1225{
1226 return __opt_group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
1227}
1228
214e1eca
JA
1229/*
1230 * Map of job/command line options
1231 */
81c6b6cd 1232static struct fio_option fio_options[FIO_MAX_OPTS] = {
214e1eca
JA
1233 {
1234 .name = "description",
81c6b6cd 1235 .lname = "Description of job",
214e1eca
JA
1236 .type = FIO_OPT_STR_STORE,
1237 .off1 = td_var_offset(description),
1238 .help = "Text job description",
81c6b6cd
JA
1239 .category = FIO_OPT_C_GENERAL,
1240 .group = FIO_OPT_G_DESC,
214e1eca
JA
1241 },
1242 {
1243 .name = "name",
81c6b6cd 1244 .lname = "Job name",
214e1eca
JA
1245 .type = FIO_OPT_STR_STORE,
1246 .off1 = td_var_offset(name),
1247 .help = "Name of this job",
81c6b6cd
JA
1248 .category = FIO_OPT_C_GENERAL,
1249 .group = FIO_OPT_G_DESC,
214e1eca
JA
1250 },
1251 {
1252 .name = "filename",
81c6b6cd 1253 .lname = "Filename(s)",
214e1eca
JA
1254 .type = FIO_OPT_STR_STORE,
1255 .off1 = td_var_offset(filename),
1256 .cb = str_filename_cb,
f0d524b0 1257 .prio = -1, /* must come after "directory" */
214e1eca 1258 .help = "File(s) to use for the workload",
81c6b6cd
JA
1259 .category = FIO_OPT_C_FILE,
1260 .group = FIO_OPT_G_FILENAME,
1261 },
1262 {
1263 .name = "directory",
1264 .lname = "Directory",
1265 .type = FIO_OPT_STR_STORE,
1266 .off1 = td_var_offset(directory),
1267 .cb = str_directory_cb,
1268 .help = "Directory to store files in",
1269 .category = FIO_OPT_C_FILE,
1270 .group = FIO_OPT_G_FILENAME,
214e1eca 1271 },
de98bd30
JA
1272 {
1273 .name = "filename_format",
1274 .type = FIO_OPT_STR_STORE,
1275 .off1 = td_var_offset(filename_format),
1276 .prio = -1, /* must come after "directory" */
1277 .help = "Override default $jobname.$jobnum.$filenum naming",
1278 .def = "$jobname.$jobnum.$filenum",
81c6b6cd
JA
1279 .category = FIO_OPT_C_FILE,
1280 .group = FIO_OPT_G_FILENAME,
ad705bcb 1281 },
29c1349f
JA
1282 {
1283 .name = "lockfile",
81c6b6cd 1284 .lname = "Lockfile",
4d4e80f2 1285 .type = FIO_OPT_STR,
4d4e80f2 1286 .off1 = td_var_offset(file_lock_mode),
29c1349f
JA
1287 .help = "Lock file when doing IO to it",
1288 .parent = "filename",
81c6b6cd 1289 .hide = 0,
4d4e80f2 1290 .def = "none",
81c6b6cd
JA
1291 .category = FIO_OPT_C_FILE,
1292 .group = FIO_OPT_G_FILENAME,
4d4e80f2
JA
1293 .posval = {
1294 { .ival = "none",
1295 .oval = FILE_LOCK_NONE,
1296 .help = "No file locking",
1297 },
1298 { .ival = "exclusive",
1299 .oval = FILE_LOCK_EXCLUSIVE,
1300 .help = "Exclusive file lock",
1301 },
1302 {
1303 .ival = "readwrite",
1304 .oval = FILE_LOCK_READWRITE,
1305 .help = "Read vs write lock",
1306 },
1307 },
29c1349f 1308 },
214e1eca
JA
1309 {
1310 .name = "opendir",
81c6b6cd 1311 .lname = "Open directory",
214e1eca
JA
1312 .type = FIO_OPT_STR_STORE,
1313 .off1 = td_var_offset(opendir),
1314 .cb = str_opendir_cb,
1315 .help = "Recursively add files from this directory and down",
81c6b6cd
JA
1316 .category = FIO_OPT_C_FILE,
1317 .group = FIO_OPT_G_FILENAME,
214e1eca
JA
1318 },
1319 {
1320 .name = "rw",
81c6b6cd 1321 .lname = "Read/write",
d3aad8f2 1322 .alias = "readwrite",
214e1eca 1323 .type = FIO_OPT_STR,
211097b2 1324 .cb = str_rw_cb,
214e1eca
JA
1325 .off1 = td_var_offset(td_ddir),
1326 .help = "IO direction",
1327 .def = "read",
896cac2a 1328 .verify = rw_verify,
81c6b6cd
JA
1329 .category = FIO_OPT_C_IO,
1330 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1331 .posval = {
1332 { .ival = "read",
1333 .oval = TD_DDIR_READ,
1334 .help = "Sequential read",
1335 },
1336 { .ival = "write",
1337 .oval = TD_DDIR_WRITE,
1338 .help = "Sequential write",
1339 },
6eaf09d6
SL
1340 { .ival = "trim",
1341 .oval = TD_DDIR_TRIM,
1342 .help = "Sequential trim",
1343 },
214e1eca
JA
1344 { .ival = "randread",
1345 .oval = TD_DDIR_RANDREAD,
1346 .help = "Random read",
1347 },
1348 { .ival = "randwrite",
1349 .oval = TD_DDIR_RANDWRITE,
1350 .help = "Random write",
1351 },
6eaf09d6
SL
1352 { .ival = "randtrim",
1353 .oval = TD_DDIR_RANDTRIM,
1354 .help = "Random trim",
1355 },
214e1eca
JA
1356 { .ival = "rw",
1357 .oval = TD_DDIR_RW,
1358 .help = "Sequential read and write mix",
1359 },
10b023db
JA
1360 { .ival = "readwrite",
1361 .oval = TD_DDIR_RW,
1362 .help = "Sequential read and write mix",
1363 },
214e1eca
JA
1364 { .ival = "randrw",
1365 .oval = TD_DDIR_RANDRW,
1366 .help = "Random read and write mix"
1367 },
1368 },
1369 },
38dad62d
JA
1370 {
1371 .name = "rw_sequencer",
81c6b6cd 1372 .lname = "RW Sequencer",
38dad62d
JA
1373 .type = FIO_OPT_STR,
1374 .off1 = td_var_offset(rw_seq),
1375 .help = "IO offset generator modifier",
1376 .def = "sequential",
81c6b6cd
JA
1377 .category = FIO_OPT_C_IO,
1378 .group = FIO_OPT_G_IO_BASIC,
38dad62d
JA
1379 .posval = {
1380 { .ival = "sequential",
1381 .oval = RW_SEQ_SEQ,
1382 .help = "Generate sequential offsets",
1383 },
1384 { .ival = "identical",
1385 .oval = RW_SEQ_IDENT,
1386 .help = "Generate identical offsets",
1387 },
1388 },
1389 },
1390
214e1eca
JA
1391 {
1392 .name = "ioengine",
81c6b6cd 1393 .lname = "IO Engine",
214e1eca
JA
1394 .type = FIO_OPT_STR_STORE,
1395 .off1 = td_var_offset(ioengine),
1396 .help = "IO engine to use",
58483fa4 1397 .def = FIO_PREFERRED_ENGINE,
81c6b6cd
JA
1398 .category = FIO_OPT_C_IO,
1399 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1400 .posval = {
1401 { .ival = "sync",
1402 .help = "Use read/write",
1403 },
a31041ea 1404 { .ival = "psync",
1405 .help = "Use pread/pwrite",
1406 },
1d2af02a 1407 { .ival = "vsync",
03e20d68 1408 .help = "Use readv/writev",
1d2af02a 1409 },
67bf9823 1410#ifdef CONFIG_LIBAIO
214e1eca
JA
1411 { .ival = "libaio",
1412 .help = "Linux native asynchronous IO",
1413 },
1414#endif
67bf9823 1415#ifdef CONFIG_POSIXAIO
214e1eca
JA
1416 { .ival = "posixaio",
1417 .help = "POSIX asynchronous IO",
1418 },
417f0068 1419#endif
997843cb 1420#ifdef CONFIG_SOLARISAIO
417f0068
JA
1421 { .ival = "solarisaio",
1422 .help = "Solaris native asynchronous IO",
1423 },
214e1eca 1424#endif
4700b234 1425#ifdef CONFIG_WINDOWSAIO
03e20d68 1426 { .ival = "windowsaio",
3be80071 1427 .help = "Windows native asynchronous IO"
de890a1e 1428 },
3be80071 1429#endif
214e1eca 1430 { .ival = "mmap",
03e20d68 1431 .help = "Memory mapped IO"
214e1eca 1432 },
67bf9823 1433#ifdef CONFIG_LINUX_SPLICE
214e1eca
JA
1434 { .ival = "splice",
1435 .help = "splice/vmsplice based IO",
1436 },
9cce02e8
JA
1437 { .ival = "netsplice",
1438 .help = "splice/vmsplice to/from the network",
1439 },
214e1eca
JA
1440#endif
1441#ifdef FIO_HAVE_SGIO
1442 { .ival = "sg",
1443 .help = "SCSI generic v3 IO",
1444 },
1445#endif
1446 { .ival = "null",
1447 .help = "Testing engine (no data transfer)",
1448 },
1449 { .ival = "net",
1450 .help = "Network IO",
1451 },
214e1eca 1452 { .ival = "cpuio",
03e20d68 1453 .help = "CPU cycle burner engine",
214e1eca 1454 },
67bf9823 1455#ifdef CONFIG_GUASI
b8c82a46
JA
1456 { .ival = "guasi",
1457 .help = "GUASI IO engine",
1458 },
79a43187
JA
1459#endif
1460#ifdef FIO_HAVE_BINJECT
1461 { .ival = "binject",
1462 .help = "binject direct inject block engine",
1463 },
21b8aee8 1464#endif
67bf9823 1465#ifdef CONFIG_RDMA
21b8aee8 1466 { .ival = "rdma",
1467 .help = "RDMA IO engine",
1468 },
8200b8c7 1469#endif
67bf9823 1470#ifdef CONFIG_FUSION_AW
8200b8c7
JA
1471 { .ival = "fusion-aw-sync",
1472 .help = "Fusion-io atomic write engine",
1473 },
1ecc95ca 1474#endif
997843cb 1475#ifdef CONFIG_LINUX_EXT4_MOVE_EXTENT
1ecc95ca
JA
1476 { .ival = "e4defrag",
1477 .help = "ext4 defrag engine",
1478 },
1479#endif
997843cb 1480#ifdef CONFIG_LINUX_FALLOCATE
1ecc95ca
JA
1481 { .ival = "falloc",
1482 .help = "fallocate() file based engine",
1483 },
b8c82a46 1484#endif
214e1eca
JA
1485 { .ival = "external",
1486 .help = "Load external engine (append name)",
1487 },
1488 },
1489 },
1490 {
1491 .name = "iodepth",
81c6b6cd 1492 .lname = "IO Depth",
214e1eca
JA
1493 .type = FIO_OPT_INT,
1494 .off1 = td_var_offset(iodepth),
03e20d68 1495 .help = "Number of IO buffers to keep in flight",
757aff4f 1496 .minval = 1,
81c6b6cd 1497 .interval = 1,
214e1eca 1498 .def = "1",
81c6b6cd
JA
1499 .category = FIO_OPT_C_IO,
1500 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1501 },
1502 {
1503 .name = "iodepth_batch",
81c6b6cd 1504 .lname = "IO Depth batch",
4950421a 1505 .alias = "iodepth_batch_submit",
214e1eca
JA
1506 .type = FIO_OPT_INT,
1507 .off1 = td_var_offset(iodepth_batch),
d65db441 1508 .help = "Number of IO buffers to submit in one go",
afdf9352 1509 .parent = "iodepth",
81c6b6cd 1510 .hide = 1,
a2e6f8ac 1511 .minval = 1,
81c6b6cd 1512 .interval = 1,
a2e6f8ac 1513 .def = "1",
81c6b6cd
JA
1514 .category = FIO_OPT_C_IO,
1515 .group = FIO_OPT_G_IO_BASIC,
4950421a
JA
1516 },
1517 {
1518 .name = "iodepth_batch_complete",
81c6b6cd 1519 .lname = "IO Depth batch complete",
4950421a
JA
1520 .type = FIO_OPT_INT,
1521 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1522 .help = "Number of IO buffers to retrieve in one go",
4950421a 1523 .parent = "iodepth",
81c6b6cd 1524 .hide = 1,
4950421a 1525 .minval = 0,
81c6b6cd 1526 .interval = 1,
4950421a 1527 .def = "1",
81c6b6cd
JA
1528 .category = FIO_OPT_C_IO,
1529 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1530 },
1531 {
1532 .name = "iodepth_low",
81c6b6cd 1533 .lname = "IO Depth batch low",
214e1eca
JA
1534 .type = FIO_OPT_INT,
1535 .off1 = td_var_offset(iodepth_low),
1536 .help = "Low water mark for queuing depth",
afdf9352 1537 .parent = "iodepth",
81c6b6cd
JA
1538 .hide = 1,
1539 .interval = 1,
1540 .category = FIO_OPT_C_IO,
1541 .group = FIO_OPT_G_IO_BASIC,
214e1eca
JA
1542 },
1543 {
1544 .name = "size",
81c6b6cd 1545 .lname = "Size",
214e1eca 1546 .type = FIO_OPT_STR_VAL,
7bb59102 1547 .cb = str_size_cb,
214e1eca 1548 .help = "Total size of device or files",
81c6b6cd
JA
1549 .interval = 1024 * 1024,
1550 .category = FIO_OPT_C_IO,
1551 .group = FIO_OPT_G_INVALID,
214e1eca 1552 },
aa31f1f1
SL
1553 {
1554 .name = "fill_device",
81c6b6cd 1555 .lname = "Fill device",
74586c1e 1556 .alias = "fill_fs",
aa31f1f1
SL
1557 .type = FIO_OPT_BOOL,
1558 .off1 = td_var_offset(fill_device),
1559 .help = "Write until an ENOSPC error occurs",
1560 .def = "0",
81c6b6cd
JA
1561 .category = FIO_OPT_C_FILE,
1562 .group = FIO_OPT_G_INVALID,
aa31f1f1 1563 },
214e1eca
JA
1564 {
1565 .name = "filesize",
81c6b6cd 1566 .lname = "File size",
214e1eca
JA
1567 .type = FIO_OPT_STR_VAL,
1568 .off1 = td_var_offset(file_size_low),
1569 .off2 = td_var_offset(file_size_high),
c3edbdba 1570 .minval = 1,
214e1eca 1571 .help = "Size of individual files",
81c6b6cd
JA
1572 .interval = 1024 * 1024,
1573 .category = FIO_OPT_C_FILE,
1574 .group = FIO_OPT_G_INVALID,
214e1eca 1575 },
67a1000f
JA
1576 {
1577 .name = "offset",
81c6b6cd 1578 .lname = "IO offset",
67a1000f
JA
1579 .alias = "fileoffset",
1580 .type = FIO_OPT_STR_VAL,
1581 .off1 = td_var_offset(start_offset),
1582 .help = "Start IO from this offset",
1583 .def = "0",
81c6b6cd
JA
1584 .interval = 1024 * 1024,
1585 .category = FIO_OPT_C_IO,
1586 .group = FIO_OPT_G_INVALID,
67a1000f 1587 },
2d7cd868
JA
1588 {
1589 .name = "offset_increment",
81c6b6cd 1590 .lname = "IO offset increment",
2d7cd868
JA
1591 .type = FIO_OPT_STR_VAL,
1592 .off1 = td_var_offset(offset_increment),
1593 .help = "What is the increment from one offset to the next",
1594 .parent = "offset",
81c6b6cd 1595 .hide = 1,
2d7cd868 1596 .def = "0",
81c6b6cd
JA
1597 .interval = 1024 * 1024,
1598 .category = FIO_OPT_C_IO,
1599 .group = FIO_OPT_G_INVALID,
2d7cd868 1600 },
214e1eca
JA
1601 {
1602 .name = "bs",
81c6b6cd 1603 .lname = "Block size",
d3aad8f2 1604 .alias = "blocksize",
e01b22b8 1605 .type = FIO_OPT_INT,
214e1eca
JA
1606 .off1 = td_var_offset(bs[DDIR_READ]),
1607 .off2 = td_var_offset(bs[DDIR_WRITE]),
6eaf09d6 1608 .off3 = td_var_offset(bs[DDIR_TRIM]),
c3edbdba 1609 .minval = 1,
214e1eca
JA
1610 .help = "Block size unit",
1611 .def = "4k",
67a1000f 1612 .parent = "rw",
81c6b6cd
JA
1613 .hide = 1,
1614 .interval = 512,
1615 .category = FIO_OPT_C_IO,
1616 .group = FIO_OPT_G_INVALID,
214e1eca 1617 },
2b7a01d0
JA
1618 {
1619 .name = "ba",
81c6b6cd 1620 .lname = "Block size align",
2b7a01d0 1621 .alias = "blockalign",
e01b22b8 1622 .type = FIO_OPT_INT,
2b7a01d0
JA
1623 .off1 = td_var_offset(ba[DDIR_READ]),
1624 .off2 = td_var_offset(ba[DDIR_WRITE]),
6eaf09d6 1625 .off3 = td_var_offset(ba[DDIR_TRIM]),
2b7a01d0
JA
1626 .minval = 1,
1627 .help = "IO block offset alignment",
1628 .parent = "rw",
81c6b6cd
JA
1629 .hide = 1,
1630 .interval = 512,
1631 .category = FIO_OPT_C_IO,
1632 .group = FIO_OPT_G_INVALID,
2b7a01d0 1633 },
214e1eca
JA
1634 {
1635 .name = "bsrange",
81c6b6cd 1636 .lname = "Block size range",
d3aad8f2 1637 .alias = "blocksize_range",
214e1eca
JA
1638 .type = FIO_OPT_RANGE,
1639 .off1 = td_var_offset(min_bs[DDIR_READ]),
1640 .off2 = td_var_offset(max_bs[DDIR_READ]),
1641 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1642 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
6eaf09d6
SL
1643 .off5 = td_var_offset(min_bs[DDIR_TRIM]),
1644 .off6 = td_var_offset(max_bs[DDIR_TRIM]),
c3edbdba 1645 .minval = 1,
214e1eca 1646 .help = "Set block size range (in more detail than bs)",
67a1000f 1647 .parent = "rw",
81c6b6cd
JA
1648 .hide = 1,
1649 .interval = 4096,
1650 .category = FIO_OPT_C_IO,
1651 .group = FIO_OPT_G_INVALID,
214e1eca 1652 },
564ca972
JA
1653 {
1654 .name = "bssplit",
81c6b6cd 1655 .lname = "Block size split",
564ca972
JA
1656 .type = FIO_OPT_STR,
1657 .cb = str_bssplit_cb,
1658 .help = "Set a specific mix of block sizes",
1659 .parent = "rw",
81c6b6cd
JA
1660 .hide = 1,
1661 .category = FIO_OPT_C_IO,
1662 .group = FIO_OPT_G_INVALID,
564ca972 1663 },
214e1eca
JA
1664 {
1665 .name = "bs_unaligned",
81c6b6cd 1666 .lname = "Block size unaligned",
d3aad8f2 1667 .alias = "blocksize_unaligned",
214e1eca
JA
1668 .type = FIO_OPT_STR_SET,
1669 .off1 = td_var_offset(bs_unaligned),
1670 .help = "Don't sector align IO buffer sizes",
67a1000f 1671 .parent = "rw",
81c6b6cd
JA
1672 .hide = 1,
1673 .category = FIO_OPT_C_IO,
1674 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1675 },
1676 {
1677 .name = "randrepeat",
81c6b6cd 1678 .lname = "Random repeatable",
214e1eca
JA
1679 .type = FIO_OPT_BOOL,
1680 .off1 = td_var_offset(rand_repeatable),
1681 .help = "Use repeatable random IO pattern",
1682 .def = "1",
67a1000f 1683 .parent = "rw",
81c6b6cd
JA
1684 .hide = 1,
1685 .category = FIO_OPT_C_IO,
1686 .group = FIO_OPT_G_RANDOM,
214e1eca 1687 },
2615cc4b
JA
1688 {
1689 .name = "use_os_rand",
81c6b6cd 1690 .lname = "Use OS random",
2615cc4b
JA
1691 .type = FIO_OPT_BOOL,
1692 .off1 = td_var_offset(use_os_rand),
1693 .help = "Set to use OS random generator",
1694 .def = "0",
1695 .parent = "rw",
81c6b6cd
JA
1696 .hide = 1,
1697 .category = FIO_OPT_C_IO,
1698 .group = FIO_OPT_G_RANDOM,
2615cc4b 1699 },
214e1eca
JA
1700 {
1701 .name = "norandommap",
81c6b6cd 1702 .lname = "No randommap",
214e1eca
JA
1703 .type = FIO_OPT_STR_SET,
1704 .off1 = td_var_offset(norandommap),
1705 .help = "Accept potential duplicate random blocks",
67a1000f 1706 .parent = "rw",
81c6b6cd
JA
1707 .hide = 1,
1708 .hide_on_set = 1,
1709 .category = FIO_OPT_C_IO,
1710 .group = FIO_OPT_G_RANDOM,
214e1eca 1711 },
2b386d25
JA
1712 {
1713 .name = "softrandommap",
81c6b6cd 1714 .lname = "Soft randommap",
2b386d25
JA
1715 .type = FIO_OPT_BOOL,
1716 .off1 = td_var_offset(softrandommap),
f66ab3c8 1717 .help = "Set norandommap if randommap allocation fails",
2b386d25 1718 .parent = "norandommap",
81c6b6cd 1719 .hide = 1,
2b386d25 1720 .def = "0",
81c6b6cd
JA
1721 .category = FIO_OPT_C_IO,
1722 .group = FIO_OPT_G_RANDOM,
2b386d25 1723 },
8055e41d
JA
1724 {
1725 .name = "random_generator",
1726 .type = FIO_OPT_STR,
1727 .off1 = td_var_offset(random_generator),
1728 .help = "Type of random number generator to use",
1729 .def = "tausworthe",
1730 .posval = {
1731 { .ival = "tausworthe",
1732 .oval = FIO_RAND_GEN_TAUSWORTHE,
1733 .help = "Strong Tausworthe generator",
1734 },
1735 { .ival = "lfsr",
1736 .oval = FIO_RAND_GEN_LFSR,
1737 .help = "Variable length LFSR",
1738 },
1739 },
81c6b6cd
JA
1740 .category = FIO_OPT_C_IO,
1741 .group = FIO_OPT_G_RANDOM,
8055e41d 1742 },
e25839d4
JA
1743 {
1744 .name = "random_distribution",
1745 .type = FIO_OPT_STR,
1746 .off1 = td_var_offset(random_distribution),
1747 .cb = str_random_distribution_cb,
1748 .help = "Random offset distribution generator",
1749 .def = "random",
1750 .posval = {
1751 { .ival = "random",
1752 .oval = FIO_RAND_DIST_RANDOM,
1753 .help = "Completely random",
1754 },
1755 { .ival = "zipf",
1756 .oval = FIO_RAND_DIST_ZIPF,
1757 .help = "Zipf distribution",
1758 },
925fee33
JA
1759 { .ival = "pareto",
1760 .oval = FIO_RAND_DIST_PARETO,
1761 .help = "Pareto distribution",
1762 },
e25839d4 1763 },
81c6b6cd
JA
1764 .category = FIO_OPT_C_IO,
1765 .group = FIO_OPT_G_RANDOM,
e25839d4 1766 },
214e1eca
JA
1767 {
1768 .name = "nrfiles",
81c6b6cd 1769 .lname = "Number of files",
d7c8be03 1770 .alias = "nr_files",
214e1eca
JA
1771 .type = FIO_OPT_INT,
1772 .off1 = td_var_offset(nr_files),
1773 .help = "Split job workload between this number of files",
1774 .def = "1",
81c6b6cd
JA
1775 .interval = 1,
1776 .category = FIO_OPT_C_FILE,
1777 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1778 },
1779 {
1780 .name = "openfiles",
81c6b6cd 1781 .lname = "Number of open files",
214e1eca
JA
1782 .type = FIO_OPT_INT,
1783 .off1 = td_var_offset(open_files),
1784 .help = "Number of files to keep open at the same time",
81c6b6cd
JA
1785 .category = FIO_OPT_C_FILE,
1786 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1787 },
1788 {
1789 .name = "file_service_type",
81c6b6cd 1790 .lname = "File service type",
214e1eca
JA
1791 .type = FIO_OPT_STR,
1792 .cb = str_fst_cb,
1793 .off1 = td_var_offset(file_service_type),
1794 .help = "How to select which file to service next",
1795 .def = "roundrobin",
81c6b6cd
JA
1796 .category = FIO_OPT_C_FILE,
1797 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1798 .posval = {
1799 { .ival = "random",
1800 .oval = FIO_FSERVICE_RANDOM,
1801 .help = "Choose a file at random",
1802 },
1803 { .ival = "roundrobin",
1804 .oval = FIO_FSERVICE_RR,
1805 .help = "Round robin select files",
1806 },
a086c257
JA
1807 { .ival = "sequential",
1808 .oval = FIO_FSERVICE_SEQ,
1809 .help = "Finish one file before moving to the next",
1810 },
214e1eca 1811 },
67a1000f 1812 .parent = "nrfiles",
81c6b6cd 1813 .hide = 1,
67a1000f 1814 },
97ac992c 1815#ifdef CONFIG_POSIX_FALLOCATE
7bc8c2cf
JA
1816 {
1817 .name = "fallocate",
81c6b6cd 1818 .lname = "Fallocate",
a596f047
EG
1819 .type = FIO_OPT_STR,
1820 .off1 = td_var_offset(fallocate_mode),
1821 .help = "Whether pre-allocation is performed when laying out files",
1822 .def = "posix",
81c6b6cd
JA
1823 .category = FIO_OPT_C_FILE,
1824 .group = FIO_OPT_G_INVALID,
a596f047
EG
1825 .posval = {
1826 { .ival = "none",
1827 .oval = FIO_FALLOCATE_NONE,
1828 .help = "Do not pre-allocate space",
1829 },
1830 { .ival = "posix",
1831 .oval = FIO_FALLOCATE_POSIX,
1832 .help = "Use posix_fallocate()",
1833 },
97ac992c 1834#ifdef CONFIG_LINUX_FALLOCATE
a596f047
EG
1835 { .ival = "keep",
1836 .oval = FIO_FALLOCATE_KEEP_SIZE,
1837 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1838 },
7bc8c2cf 1839#endif
a596f047
EG
1840 /* Compatibility with former boolean values */
1841 { .ival = "0",
1842 .oval = FIO_FALLOCATE_NONE,
1843 .help = "Alias for 'none'",
1844 },
1845 { .ival = "1",
1846 .oval = FIO_FALLOCATE_POSIX,
1847 .help = "Alias for 'posix'",
1848 },
1849 },
1850 },
97ac992c 1851#endif /* CONFIG_POSIX_FALLOCATE */
67a1000f
JA
1852 {
1853 .name = "fadvise_hint",
81c6b6cd 1854 .lname = "Fadvise hint",
67a1000f
JA
1855 .type = FIO_OPT_BOOL,
1856 .off1 = td_var_offset(fadvise_hint),
1857 .help = "Use fadvise() to advise the kernel on IO pattern",
1858 .def = "1",
81c6b6cd
JA
1859 .category = FIO_OPT_C_FILE,
1860 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1861 },
1862 {
1863 .name = "fsync",
81c6b6cd 1864 .lname = "Fsync",
214e1eca
JA
1865 .type = FIO_OPT_INT,
1866 .off1 = td_var_offset(fsync_blocks),
1867 .help = "Issue fsync for writes every given number of blocks",
1868 .def = "0",
81c6b6cd
JA
1869 .interval = 1,
1870 .category = FIO_OPT_C_FILE,
1871 .group = FIO_OPT_G_INVALID,
214e1eca 1872 },
5f9099ea
JA
1873 {
1874 .name = "fdatasync",
81c6b6cd 1875 .lname = "Fdatasync",
5f9099ea
JA
1876 .type = FIO_OPT_INT,
1877 .off1 = td_var_offset(fdatasync_blocks),
1878 .help = "Issue fdatasync for writes every given number of blocks",
1879 .def = "0",
81c6b6cd
JA
1880 .interval = 1,
1881 .category = FIO_OPT_C_FILE,
1882 .group = FIO_OPT_G_INVALID,
5f9099ea 1883 },
1ef2b6be
JA
1884 {
1885 .name = "write_barrier",
81c6b6cd 1886 .lname = "Write barrier",
1ef2b6be
JA
1887 .type = FIO_OPT_INT,
1888 .off1 = td_var_offset(barrier_blocks),
1889 .help = "Make every Nth write a barrier write",
1890 .def = "0",
81c6b6cd
JA
1891 .interval = 1,
1892 .category = FIO_OPT_C_IO,
1893 .group = FIO_OPT_G_INVALID,
1ef2b6be 1894 },
67bf9823 1895#ifdef CONFIG_SYNC_FILE_RANGE
44f29692
JA
1896 {
1897 .name = "sync_file_range",
81c6b6cd 1898 .lname = "Sync file range",
44f29692
JA
1899 .posval = {
1900 { .ival = "wait_before",
1901 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
1902 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
3843deb3 1903 .or = 1,
44f29692
JA
1904 },
1905 { .ival = "write",
1906 .oval = SYNC_FILE_RANGE_WRITE,
1907 .help = "SYNC_FILE_RANGE_WRITE",
3843deb3 1908 .or = 1,
44f29692
JA
1909 },
1910 {
1911 .ival = "wait_after",
1912 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
1913 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
3843deb3 1914 .or = 1,
44f29692
JA
1915 },
1916 },
3843deb3 1917 .type = FIO_OPT_STR_MULTI,
44f29692
JA
1918 .cb = str_sfr_cb,
1919 .off1 = td_var_offset(sync_file_range),
1920 .help = "Use sync_file_range()",
81c6b6cd
JA
1921 .category = FIO_OPT_C_FILE,
1922 .group = FIO_OPT_G_INVALID,
44f29692
JA
1923 },
1924#endif
214e1eca
JA
1925 {
1926 .name = "direct",
81c6b6cd 1927 .lname = "Direct I/O",
214e1eca
JA
1928 .type = FIO_OPT_BOOL,
1929 .off1 = td_var_offset(odirect),
1930 .help = "Use O_DIRECT IO (negates buffered)",
1931 .def = "0",
81c6b6cd
JA
1932 .inverse = "buffered",
1933 .category = FIO_OPT_C_IO,
1934 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
1935 },
1936 {
1937 .name = "buffered",
81c6b6cd 1938 .lname = "Buffered I/O",
214e1eca
JA
1939 .type = FIO_OPT_BOOL,
1940 .off1 = td_var_offset(odirect),
1941 .neg = 1,
1942 .help = "Use buffered IO (negates direct)",
1943 .def = "1",
81c6b6cd
JA
1944 .inverse = "direct",
1945 .category = FIO_OPT_C_IO,
1946 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
1947 },
1948 {
1949 .name = "overwrite",
81c6b6cd 1950 .lname = "Overwrite",
214e1eca
JA
1951 .type = FIO_OPT_BOOL,
1952 .off1 = td_var_offset(overwrite),
1953 .help = "When writing, set whether to overwrite current data",
1954 .def = "0",
81c6b6cd
JA
1955 .category = FIO_OPT_C_FILE,
1956 .group = FIO_OPT_G_INVALID,
214e1eca
JA
1957 },
1958 {
1959 .name = "loops",
81c6b6cd 1960 .lname = "Loops",
214e1eca
JA
1961 .type = FIO_OPT_INT,
1962 .off1 = td_var_offset(loops),
1963 .help = "Number of times to run the job",
1964 .def = "1",
81c6b6cd
JA
1965 .interval = 1,
1966 .category = FIO_OPT_C_GENERAL,
1967 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
1968 },
1969 {
1970 .name = "numjobs",
81c6b6cd 1971 .lname = "Number of jobs",
214e1eca
JA
1972 .type = FIO_OPT_INT,
1973 .off1 = td_var_offset(numjobs),
1974 .help = "Duplicate this job this many times",
1975 .def = "1",
81c6b6cd
JA
1976 .interval = 1,
1977 .category = FIO_OPT_C_GENERAL,
1978 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
1979 },
1980 {
1981 .name = "startdelay",
81c6b6cd 1982 .lname = "Start delay",
a5737c93 1983 .type = FIO_OPT_STR_VAL_TIME,
214e1eca
JA
1984 .off1 = td_var_offset(start_delay),
1985 .help = "Only start job when this period has passed",
1986 .def = "0",
81c6b6cd
JA
1987 .category = FIO_OPT_C_GENERAL,
1988 .group = FIO_OPT_G_RUNTIME,
214e1eca
JA
1989 },
1990 {
1991 .name = "runtime",
81c6b6cd 1992 .lname = "Runtime",
214e1eca
JA
1993 .alias = "timeout",
1994 .type = FIO_OPT_STR_VAL_TIME,
1995 .off1 = td_var_offset(timeout),
1996 .help = "Stop workload when this amount of time has passed",
1997 .def = "0",
81c6b6cd
JA
1998 .category = FIO_OPT_C_GENERAL,
1999 .group = FIO_OPT_G_RUNTIME,
214e1eca 2000 },
cf4464ca
JA
2001 {
2002 .name = "time_based",
81c6b6cd 2003 .lname = "Time based",
cf4464ca
JA
2004 .type = FIO_OPT_STR_SET,
2005 .off1 = td_var_offset(time_based),
2006 .help = "Keep running until runtime/timeout is met",
81c6b6cd
JA
2007 .category = FIO_OPT_C_GENERAL,
2008 .group = FIO_OPT_G_RUNTIME,
cf4464ca 2009 },
721938ae
JA
2010 {
2011 .name = "ramp_time",
81c6b6cd 2012 .lname = "Ramp time",
721938ae
JA
2013 .type = FIO_OPT_STR_VAL_TIME,
2014 .off1 = td_var_offset(ramp_time),
2015 .help = "Ramp up time before measuring performance",
81c6b6cd
JA
2016 .category = FIO_OPT_C_GENERAL,
2017 .group = FIO_OPT_G_RUNTIME,
721938ae 2018 },
c223da83
JA
2019 {
2020 .name = "clocksource",
81c6b6cd 2021 .lname = "Clock source",
c223da83
JA
2022 .type = FIO_OPT_STR,
2023 .cb = fio_clock_source_cb,
2024 .off1 = td_var_offset(clocksource),
2025 .help = "What type of timing source to use",
81c6b6cd
JA
2026 .category = FIO_OPT_C_GENERAL,
2027 .group = FIO_OPT_G_CLOCK,
c223da83 2028 .posval = {
67bf9823 2029#ifdef CONFIG_GETTIMEOFDAY
c223da83
JA
2030 { .ival = "gettimeofday",
2031 .oval = CS_GTOD,
2032 .help = "Use gettimeofday(2) for timing",
2033 },
67bf9823
JA
2034#endif
2035#ifdef CONFIG_CLOCK_GETTIME
c223da83
JA
2036 { .ival = "clock_gettime",
2037 .oval = CS_CGETTIME,
2038 .help = "Use clock_gettime(2) for timing",
2039 },
67bf9823 2040#endif
c223da83
JA
2041#ifdef ARCH_HAVE_CPU_CLOCK
2042 { .ival = "cpu",
2043 .oval = CS_CPUCLOCK,
2044 .help = "Use CPU private clock",
2045 },
2046#endif
2047 },
2048 },
214e1eca
JA
2049 {
2050 .name = "mem",
d3aad8f2 2051 .alias = "iomem",
81c6b6cd 2052 .lname = "I/O Memory",
214e1eca
JA
2053 .type = FIO_OPT_STR,
2054 .cb = str_mem_cb,
2055 .off1 = td_var_offset(mem_type),
2056 .help = "Backing type for IO buffers",
2057 .def = "malloc",
81c6b6cd
JA
2058 .category = FIO_OPT_C_IO,
2059 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2060 .posval = {
2061 { .ival = "malloc",
2062 .oval = MEM_MALLOC,
2063 .help = "Use malloc(3) for IO buffers",
2064 },
37c8cdfe
JA
2065 { .ival = "shm",
2066 .oval = MEM_SHM,
2067 .help = "Use shared memory segments for IO buffers",
2068 },
214e1eca
JA
2069#ifdef FIO_HAVE_HUGETLB
2070 { .ival = "shmhuge",
2071 .oval = MEM_SHMHUGE,
2072 .help = "Like shm, but use huge pages",
2073 },
b370e46a 2074#endif
37c8cdfe
JA
2075 { .ival = "mmap",
2076 .oval = MEM_MMAP,
2077 .help = "Use mmap(2) (file or anon) for IO buffers",
2078 },
214e1eca
JA
2079#ifdef FIO_HAVE_HUGETLB
2080 { .ival = "mmaphuge",
2081 .oval = MEM_MMAPHUGE,
2082 .help = "Like mmap, but use huge pages",
2083 },
2084#endif
2085 },
2086 },
d529ee19
JA
2087 {
2088 .name = "iomem_align",
2089 .alias = "mem_align",
81c6b6cd 2090 .lname = "I/O memory alignment",
d529ee19
JA
2091 .type = FIO_OPT_INT,
2092 .off1 = td_var_offset(mem_align),
2093 .minval = 0,
2094 .help = "IO memory buffer offset alignment",
2095 .def = "0",
2096 .parent = "iomem",
81c6b6cd
JA
2097 .hide = 1,
2098 .category = FIO_OPT_C_IO,
2099 .group = FIO_OPT_G_INVALID,
d529ee19 2100 },
214e1eca
JA
2101 {
2102 .name = "verify",
81c6b6cd 2103 .lname = "Verify",
214e1eca
JA
2104 .type = FIO_OPT_STR,
2105 .off1 = td_var_offset(verify),
2106 .help = "Verify data written",
5d7c5d34 2107 .cb = str_verify_cb,
214e1eca 2108 .def = "0",
81c6b6cd
JA
2109 .category = FIO_OPT_C_IO,
2110 .group = FIO_OPT_G_VERIFY,
214e1eca
JA
2111 .posval = {
2112 { .ival = "0",
2113 .oval = VERIFY_NONE,
2114 .help = "Don't do IO verification",
2115 },
fcca4b58
JA
2116 { .ival = "md5",
2117 .oval = VERIFY_MD5,
2118 .help = "Use md5 checksums for verification",
2119 },
d77a7af3
JA
2120 { .ival = "crc64",
2121 .oval = VERIFY_CRC64,
2122 .help = "Use crc64 checksums for verification",
2123 },
214e1eca
JA
2124 { .ival = "crc32",
2125 .oval = VERIFY_CRC32,
2126 .help = "Use crc32 checksums for verification",
2127 },
af497e6a 2128 { .ival = "crc32c-intel",
e3aaafc4
JA
2129 .oval = VERIFY_CRC32C,
2130 .help = "Use crc32c checksums for verification (hw assisted, if available)",
af497e6a 2131 },
bac39e0e
JA
2132 { .ival = "crc32c",
2133 .oval = VERIFY_CRC32C,
e3aaafc4 2134 .help = "Use crc32c checksums for verification (hw assisted, if available)",
bac39e0e 2135 },
969f7ed3
JA
2136 { .ival = "crc16",
2137 .oval = VERIFY_CRC16,
2138 .help = "Use crc16 checksums for verification",
2139 },
1e154bdb
JA
2140 { .ival = "crc7",
2141 .oval = VERIFY_CRC7,
2142 .help = "Use crc7 checksums for verification",
2143 },
7c353ceb
JA
2144 { .ival = "sha1",
2145 .oval = VERIFY_SHA1,
2146 .help = "Use sha1 checksums for verification",
2147 },
cd14cc10
JA
2148 { .ival = "sha256",
2149 .oval = VERIFY_SHA256,
2150 .help = "Use sha256 checksums for verification",
2151 },
2152 { .ival = "sha512",
2153 .oval = VERIFY_SHA512,
2154 .help = "Use sha512 checksums for verification",
2155 },
7437ee87
SL
2156 { .ival = "meta",
2157 .oval = VERIFY_META,
2158 .help = "Use io information",
2159 },
36690c9b
JA
2160 {
2161 .ival = "null",
2162 .oval = VERIFY_NULL,
2163 .help = "Pretend to verify",
2164 },
214e1eca
JA
2165 },
2166 },
005c565a
JA
2167 {
2168 .name = "do_verify",
81c6b6cd 2169 .lname = "Perform verify step",
68e1f29a 2170 .type = FIO_OPT_BOOL,
005c565a
JA
2171 .off1 = td_var_offset(do_verify),
2172 .help = "Run verification stage after write",
2173 .def = "1",
2174 .parent = "verify",
81c6b6cd
JA
2175 .hide = 1,
2176 .category = FIO_OPT_C_IO,
2177 .group = FIO_OPT_G_VERIFY,
005c565a 2178 },
160b966d
JA
2179 {
2180 .name = "verifysort",
81c6b6cd 2181 .lname = "Verify sort",
160b966d
JA
2182 .type = FIO_OPT_BOOL,
2183 .off1 = td_var_offset(verifysort),
2184 .help = "Sort written verify blocks for read back",
2185 .def = "1",
c83f2df1 2186 .parent = "verify",
81c6b6cd
JA
2187 .hide = 1,
2188 .category = FIO_OPT_C_IO,
2189 .group = FIO_OPT_G_VERIFY,
160b966d 2190 },
1ae83d45
JA
2191 {
2192 .name = "verifysort_nr",
2193 .type = FIO_OPT_INT,
2194 .off1 = td_var_offset(verifysort_nr),
2195 .help = "Pre-load and sort verify blocks for a read workload",
2196 .minval = 0,
2197 .maxval = 131072,
2198 .def = "1024",
2199 .parent = "verify",
81c6b6cd
JA
2200 .category = FIO_OPT_C_IO,
2201 .group = FIO_OPT_G_VERIFY,
1ae83d45 2202 },
3f9f4e26 2203 {
a59e170d 2204 .name = "verify_interval",
81c6b6cd 2205 .lname = "Verify interval",
e01b22b8 2206 .type = FIO_OPT_INT,
a59e170d 2207 .off1 = td_var_offset(verify_interval),
819a9680 2208 .minval = 2 * sizeof(struct verify_header),
a59e170d 2209 .help = "Store verify buffer header every N bytes",
afdf9352 2210 .parent = "verify",
81c6b6cd
JA
2211 .hide = 1,
2212 .interval = 2 * sizeof(struct verify_header),
2213 .category = FIO_OPT_C_IO,
2214 .group = FIO_OPT_G_VERIFY,
3f9f4e26 2215 },
546a9142 2216 {
a59e170d 2217 .name = "verify_offset",
81c6b6cd 2218 .lname = "Verify offset",
e01b22b8 2219 .type = FIO_OPT_INT,
a59e170d 2220 .help = "Offset verify header location by N bytes",
81c6b6cd
JA
2221 .off1 = td_var_offset(verify_offset),
2222 .minval = sizeof(struct verify_header),
5ec10eaa 2223 .cb = str_verify_offset_cb,
afdf9352 2224 .parent = "verify",
81c6b6cd
JA
2225 .hide = 1,
2226 .category = FIO_OPT_C_IO,
2227 .group = FIO_OPT_G_VERIFY,
546a9142 2228 },
e28218f3
SL
2229 {
2230 .name = "verify_pattern",
81c6b6cd 2231 .lname = "Verify pattern",
0e92f873 2232 .type = FIO_OPT_STR,
e28218f3
SL
2233 .cb = str_verify_pattern_cb,
2234 .help = "Fill pattern for IO buffers",
2235 .parent = "verify",
81c6b6cd
JA
2236 .hide = 1,
2237 .category = FIO_OPT_C_IO,
2238 .group = FIO_OPT_G_VERIFY,
e28218f3 2239 },
a12a3b4d
JA
2240 {
2241 .name = "verify_fatal",
81c6b6cd 2242 .lname = "Verify fatal",
68e1f29a 2243 .type = FIO_OPT_BOOL,
a12a3b4d
JA
2244 .off1 = td_var_offset(verify_fatal),
2245 .def = "0",
2246 .help = "Exit on a single verify failure, don't continue",
2247 .parent = "verify",
81c6b6cd
JA
2248 .hide = 1,
2249 .category = FIO_OPT_C_IO,
2250 .group = FIO_OPT_G_VERIFY,
a12a3b4d 2251 },
b463e936
JA
2252 {
2253 .name = "verify_dump",
81c6b6cd 2254 .lname = "Verify dump",
b463e936
JA
2255 .type = FIO_OPT_BOOL,
2256 .off1 = td_var_offset(verify_dump),
ef71e317 2257 .def = "0",
b463e936
JA
2258 .help = "Dump contents of good and bad blocks on failure",
2259 .parent = "verify",
81c6b6cd
JA
2260 .hide = 1,
2261 .category = FIO_OPT_C_IO,
2262 .group = FIO_OPT_G_VERIFY,
b463e936 2263 },
e8462bd8
JA
2264 {
2265 .name = "verify_async",
81c6b6cd 2266 .lname = "Verify asynchronously",
e8462bd8
JA
2267 .type = FIO_OPT_INT,
2268 .off1 = td_var_offset(verify_async),
2269 .def = "0",
2270 .help = "Number of async verifier threads to use",
2271 .parent = "verify",
81c6b6cd
JA
2272 .hide = 1,
2273 .category = FIO_OPT_C_IO,
2274 .group = FIO_OPT_G_VERIFY,
e8462bd8 2275 },
9e144189
JA
2276 {
2277 .name = "verify_backlog",
81c6b6cd 2278 .lname = "Verify backlog",
9e144189
JA
2279 .type = FIO_OPT_STR_VAL,
2280 .off1 = td_var_offset(verify_backlog),
2281 .help = "Verify after this number of blocks are written",
2282 .parent = "verify",
81c6b6cd
JA
2283 .hide = 1,
2284 .category = FIO_OPT_C_IO,
2285 .group = FIO_OPT_G_VERIFY,
9e144189
JA
2286 },
2287 {
2288 .name = "verify_backlog_batch",
81c6b6cd 2289 .lname = "Verify backlog batch",
9e144189
JA
2290 .type = FIO_OPT_INT,
2291 .off1 = td_var_offset(verify_batch),
2292 .help = "Verify this number of IO blocks",
0d29de83 2293 .parent = "verify",
81c6b6cd
JA
2294 .hide = 1,
2295 .category = FIO_OPT_C_IO,
2296 .group = FIO_OPT_G_VERIFY,
9e144189 2297 },
e8462bd8
JA
2298#ifdef FIO_HAVE_CPU_AFFINITY
2299 {
2300 .name = "verify_async_cpus",
81c6b6cd 2301 .lname = "Async verify CPUs",
e8462bd8
JA
2302 .type = FIO_OPT_STR,
2303 .cb = str_verify_cpus_allowed_cb,
2304 .help = "Set CPUs allowed for async verify threads",
2305 .parent = "verify_async",
81c6b6cd
JA
2306 .hide = 1,
2307 .category = FIO_OPT_C_IO,
2308 .group = FIO_OPT_G_VERIFY,
e8462bd8 2309 },
0d29de83 2310#endif
51aa2da8
JA
2311 {
2312 .name = "experimental_verify",
2313 .off1 = td_var_offset(experimental_verify),
2314 .type = FIO_OPT_BOOL,
b31eaac9 2315 .help = "Enable experimental verification",
81c6b6cd
JA
2316 .category = FIO_OPT_C_IO,
2317 .group = FIO_OPT_G_VERIFY,
51aa2da8 2318 },
0d29de83
JA
2319#ifdef FIO_HAVE_TRIM
2320 {
2321 .name = "trim_percentage",
81c6b6cd 2322 .lname = "Trim percentage",
0d29de83 2323 .type = FIO_OPT_INT,
81c6b6cd
JA
2324 .off1 = td_var_offset(trim_percentage),
2325 .minval = 0,
0d29de83
JA
2326 .maxval = 100,
2327 .help = "Number of verify blocks to discard/trim",
2328 .parent = "verify",
2329 .def = "0",
81c6b6cd
JA
2330 .interval = 1,
2331 .hide = 1,
2332 .category = FIO_OPT_C_IO,
2333 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2334 },
2335 {
2336 .name = "trim_verify_zero",
81c6b6cd
JA
2337 .lname = "Verify trim zero",
2338 .type = FIO_OPT_BOOL,
0d29de83
JA
2339 .help = "Verify that trim/discarded blocks are returned as zeroes",
2340 .off1 = td_var_offset(trim_zero),
2341 .parent = "trim_percentage",
81c6b6cd 2342 .hide = 1,
0d29de83 2343 .def = "1",
81c6b6cd
JA
2344 .category = FIO_OPT_C_IO,
2345 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2346 },
2347 {
2348 .name = "trim_backlog",
81c6b6cd 2349 .lname = "Trim backlog",
0d29de83
JA
2350 .type = FIO_OPT_STR_VAL,
2351 .off1 = td_var_offset(trim_backlog),
2352 .help = "Trim after this number of blocks are written",
2353 .parent = "trim_percentage",
81c6b6cd
JA
2354 .hide = 1,
2355 .interval = 1,
2356 .category = FIO_OPT_C_IO,
2357 .group = FIO_OPT_G_TRIM,
0d29de83
JA
2358 },
2359 {
2360 .name = "trim_backlog_batch",
81c6b6cd 2361 .lname = "Trim backlog batch",
0d29de83
JA
2362 .type = FIO_OPT_INT,
2363 .off1 = td_var_offset(trim_batch),
2364 .help = "Trim this number of IO blocks",
2365 .parent = "trim_percentage",
81c6b6cd
JA
2366 .hide = 1,
2367 .interval = 1,
2368 .category = FIO_OPT_C_IO,
2369 .group = FIO_OPT_G_TRIM,
0d29de83 2370 },
e8462bd8 2371#endif
214e1eca
JA
2372 {
2373 .name = "write_iolog",
81c6b6cd 2374 .lname = "Write I/O log",
214e1eca
JA
2375 .type = FIO_OPT_STR_STORE,
2376 .off1 = td_var_offset(write_iolog_file),
2377 .help = "Store IO pattern to file",
81c6b6cd
JA
2378 .category = FIO_OPT_C_IO,
2379 .group = FIO_OPT_G_IOLOG,
214e1eca
JA
2380 },
2381 {
2382 .name = "read_iolog",
81c6b6cd 2383 .lname = "Read I/O log",
214e1eca
JA
2384 .type = FIO_OPT_STR_STORE,
2385 .off1 = td_var_offset(read_iolog_file),
2386 .help = "Playback IO pattern from file",
81c6b6cd
JA
2387 .category = FIO_OPT_C_IO,
2388 .group = FIO_OPT_G_IOLOG,
214e1eca 2389 },
64bbb865
DN
2390 {
2391 .name = "replay_no_stall",
81c6b6cd
JA
2392 .lname = "Don't stall on replay",
2393 .type = FIO_OPT_BOOL,
64bbb865
DN
2394 .off1 = td_var_offset(no_stall),
2395 .def = "0",
87e7a972 2396 .parent = "read_iolog",
81c6b6cd 2397 .hide = 1,
64bbb865 2398 .help = "Playback IO pattern file as fast as possible without stalls",
81c6b6cd
JA
2399 .category = FIO_OPT_C_IO,
2400 .group = FIO_OPT_G_IOLOG,
64bbb865 2401 },
d1c46c04
DN
2402 {
2403 .name = "replay_redirect",
81c6b6cd 2404 .lname = "Redirect device for replay",
d1c46c04
DN
2405 .type = FIO_OPT_STR_STORE,
2406 .off1 = td_var_offset(replay_redirect),
2407 .parent = "read_iolog",
81c6b6cd 2408 .hide = 1,
d1c46c04 2409 .help = "Replay all I/O onto this device, regardless of trace device",
81c6b6cd
JA
2410 .category = FIO_OPT_C_IO,
2411 .group = FIO_OPT_G_IOLOG,
d1c46c04 2412 },
214e1eca
JA
2413 {
2414 .name = "exec_prerun",
81c6b6cd 2415 .lname = "Pre-execute runnable",
214e1eca
JA
2416 .type = FIO_OPT_STR_STORE,
2417 .off1 = td_var_offset(exec_prerun),
2418 .help = "Execute this file prior to running job",
81c6b6cd
JA
2419 .category = FIO_OPT_C_GENERAL,
2420 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2421 },
2422 {
2423 .name = "exec_postrun",
81c6b6cd 2424 .lname = "Post-execute runnable",
214e1eca
JA
2425 .type = FIO_OPT_STR_STORE,
2426 .off1 = td_var_offset(exec_postrun),
2427 .help = "Execute this file after running job",
81c6b6cd
JA
2428 .category = FIO_OPT_C_GENERAL,
2429 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2430 },
2431#ifdef FIO_HAVE_IOSCHED_SWITCH
2432 {
2433 .name = "ioscheduler",
81c6b6cd 2434 .lname = "I/O scheduler",
214e1eca
JA
2435 .type = FIO_OPT_STR_STORE,
2436 .off1 = td_var_offset(ioscheduler),
2437 .help = "Use this IO scheduler on the backing device",
81c6b6cd
JA
2438 .category = FIO_OPT_C_FILE,
2439 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2440 },
2441#endif
2442 {
2443 .name = "zonesize",
81c6b6cd 2444 .lname = "Zone size",
214e1eca
JA
2445 .type = FIO_OPT_STR_VAL,
2446 .off1 = td_var_offset(zone_size),
ed335855
SN
2447 .help = "Amount of data to read per zone",
2448 .def = "0",
81c6b6cd
JA
2449 .interval = 1024 * 1024,
2450 .category = FIO_OPT_C_IO,
2451 .group = FIO_OPT_G_ZONE,
ed335855
SN
2452 },
2453 {
2454 .name = "zonerange",
81c6b6cd 2455 .lname = "Zone range",
ed335855
SN
2456 .type = FIO_OPT_STR_VAL,
2457 .off1 = td_var_offset(zone_range),
214e1eca
JA
2458 .help = "Give size of an IO zone",
2459 .def = "0",
81c6b6cd
JA
2460 .interval = 1024 * 1024,
2461 .category = FIO_OPT_C_IO,
2462 .group = FIO_OPT_G_ZONE,
214e1eca
JA
2463 },
2464 {
2465 .name = "zoneskip",
81c6b6cd 2466 .lname = "Zone skip",
214e1eca
JA
2467 .type = FIO_OPT_STR_VAL,
2468 .off1 = td_var_offset(zone_skip),
2469 .help = "Space between IO zones",
2470 .def = "0",
81c6b6cd
JA
2471 .interval = 1024 * 1024,
2472 .category = FIO_OPT_C_IO,
2473 .group = FIO_OPT_G_ZONE,
214e1eca
JA
2474 },
2475 {
2476 .name = "lockmem",
81c6b6cd 2477 .lname = "Lock memory",
214e1eca 2478 .type = FIO_OPT_STR_VAL,
81c6b6cd
JA
2479 .off1 = td_var_offset(lockmem),
2480 .help = "Lock down this amount of memory (per worker)",
214e1eca 2481 .def = "0",
81c6b6cd
JA
2482 .interval = 1024 * 1024,
2483 .category = FIO_OPT_C_GENERAL,
2484 .group = FIO_OPT_G_INVALID,
214e1eca 2485 },
214e1eca
JA
2486 {
2487 .name = "rwmixread",
81c6b6cd 2488 .lname = "Read/write mix read",
214e1eca 2489 .type = FIO_OPT_INT,
cb499fc4 2490 .cb = str_rwmix_read_cb,
214e1eca
JA
2491 .maxval = 100,
2492 .help = "Percentage of mixed workload that is reads",
2493 .def = "50",
81c6b6cd
JA
2494 .interval = 5,
2495 .inverse = "rwmixwrite",
2496 .category = FIO_OPT_C_IO,
2497 .group = FIO_OPT_G_RWMIX,
214e1eca
JA
2498 },
2499 {
2500 .name = "rwmixwrite",
81c6b6cd 2501 .lname = "Read/write mix write",
214e1eca 2502 .type = FIO_OPT_INT,
cb499fc4 2503 .cb = str_rwmix_write_cb,
214e1eca
JA
2504 .maxval = 100,
2505 .help = "Percentage of mixed workload that is writes",
2506 .def = "50",
81c6b6cd
JA
2507 .interval = 5,
2508 .inverse = "rwmixread",
2509 .category = FIO_OPT_C_IO,
2510 .group = FIO_OPT_G_RWMIX,
214e1eca 2511 },
afdf9352
JA
2512 {
2513 .name = "rwmixcycle",
81c6b6cd 2514 .lname = "Read/write mix cycle",
15ca150e 2515 .type = FIO_OPT_DEPRECATED,
81c6b6cd
JA
2516 .category = FIO_OPT_C_IO,
2517 .group = FIO_OPT_G_RWMIX,
afdf9352 2518 },
214e1eca
JA
2519 {
2520 .name = "nice",
81c6b6cd 2521 .lname = "Nice",
214e1eca
JA
2522 .type = FIO_OPT_INT,
2523 .off1 = td_var_offset(nice),
2524 .help = "Set job CPU nice value",
2525 .minval = -19,
2526 .maxval = 20,
2527 .def = "0",
81c6b6cd
JA
2528 .interval = 1,
2529 .category = FIO_OPT_C_GENERAL,
2530 .group = FIO_OPT_G_CRED,
214e1eca
JA
2531 },
2532#ifdef FIO_HAVE_IOPRIO
2533 {
2534 .name = "prio",
81c6b6cd 2535 .lname = "I/O nice priority",
214e1eca
JA
2536 .type = FIO_OPT_INT,
2537 .cb = str_prio_cb,
81c6b6cd 2538 .off1 = td_var_offset(ioprio),
214e1eca
JA
2539 .help = "Set job IO priority value",
2540 .minval = 0,
2541 .maxval = 7,
81c6b6cd
JA
2542 .interval = 1,
2543 .category = FIO_OPT_C_GENERAL,
2544 .group = FIO_OPT_G_CRED,
214e1eca
JA
2545 },
2546 {
2547 .name = "prioclass",
81c6b6cd 2548 .lname = "I/O nice priority class",
214e1eca
JA
2549 .type = FIO_OPT_INT,
2550 .cb = str_prioclass_cb,
81c6b6cd 2551 .off1 = td_var_offset(ioprio_class),
214e1eca
JA
2552 .help = "Set job IO priority class",
2553 .minval = 0,
2554 .maxval = 3,
81c6b6cd
JA
2555 .interval = 1,
2556 .category = FIO_OPT_C_GENERAL,
2557 .group = FIO_OPT_G_CRED,
214e1eca
JA
2558 },
2559#endif
2560 {
2561 .name = "thinktime",
81c6b6cd 2562 .lname = "Thinktime",
214e1eca
JA
2563 .type = FIO_OPT_INT,
2564 .off1 = td_var_offset(thinktime),
2565 .help = "Idle time between IO buffers (usec)",
2566 .def = "0",
81c6b6cd
JA
2567 .category = FIO_OPT_C_IO,
2568 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
2569 },
2570 {
2571 .name = "thinktime_spin",
81c6b6cd 2572 .lname = "Thinktime spin",
214e1eca
JA
2573 .type = FIO_OPT_INT,
2574 .off1 = td_var_offset(thinktime_spin),
2575 .help = "Start think time by spinning this amount (usec)",
2576 .def = "0",
afdf9352 2577 .parent = "thinktime",
81c6b6cd
JA
2578 .hide = 1,
2579 .category = FIO_OPT_C_IO,
2580 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
2581 },
2582 {
2583 .name = "thinktime_blocks",
81c6b6cd 2584 .lname = "Thinktime blocks",
214e1eca
JA
2585 .type = FIO_OPT_INT,
2586 .off1 = td_var_offset(thinktime_blocks),
2587 .help = "IO buffer period between 'thinktime'",
2588 .def = "1",
afdf9352 2589 .parent = "thinktime",
81c6b6cd
JA
2590 .hide = 1,
2591 .category = FIO_OPT_C_IO,
2592 .group = FIO_OPT_G_THINKTIME,
214e1eca
JA
2593 },
2594 {
2595 .name = "rate",
81c6b6cd 2596 .lname = "I/O rate",
e01b22b8 2597 .type = FIO_OPT_INT,
6eaf09d6
SL
2598 .off1 = td_var_offset(rate[DDIR_READ]),
2599 .off2 = td_var_offset(rate[DDIR_WRITE]),
2600 .off3 = td_var_offset(rate[DDIR_TRIM]),
214e1eca 2601 .help = "Set bandwidth rate",
81c6b6cd
JA
2602 .category = FIO_OPT_C_IO,
2603 .group = FIO_OPT_G_RATE,
214e1eca
JA
2604 },
2605 {
2606 .name = "ratemin",
81c6b6cd 2607 .lname = "I/O min rate",
e01b22b8 2608 .type = FIO_OPT_INT,
6eaf09d6
SL
2609 .off1 = td_var_offset(ratemin[DDIR_READ]),
2610 .off2 = td_var_offset(ratemin[DDIR_WRITE]),
2611 .off3 = td_var_offset(ratemin[DDIR_TRIM]),
4e991c23 2612 .help = "Job must meet this rate or it will be shutdown",
afdf9352 2613 .parent = "rate",
81c6b6cd
JA
2614 .hide = 1,
2615 .category = FIO_OPT_C_IO,
2616 .group = FIO_OPT_G_RATE,
4e991c23
JA
2617 },
2618 {
2619 .name = "rate_iops",
81c6b6cd 2620 .lname = "I/O rate IOPS",
e01b22b8 2621 .type = FIO_OPT_INT,
6eaf09d6
SL
2622 .off1 = td_var_offset(rate_iops[DDIR_READ]),
2623 .off2 = td_var_offset(rate_iops[DDIR_WRITE]),
2624 .off3 = td_var_offset(rate_iops[DDIR_TRIM]),
4e991c23 2625 .help = "Limit IO used to this number of IO operations/sec",
81c6b6cd
JA
2626 .hide = 1,
2627 .category = FIO_OPT_C_IO,
2628 .group = FIO_OPT_G_RATE,
4e991c23
JA
2629 },
2630 {
2631 .name = "rate_iops_min",
81c6b6cd 2632 .lname = "I/O min rate IOPS",
e01b22b8 2633 .type = FIO_OPT_INT,
6eaf09d6
SL
2634 .off1 = td_var_offset(rate_iops_min[DDIR_READ]),
2635 .off2 = td_var_offset(rate_iops_min[DDIR_WRITE]),
2636 .off3 = td_var_offset(rate_iops_min[DDIR_TRIM]),
03e20d68 2637 .help = "Job must meet this rate or it will be shut down",
afdf9352 2638 .parent = "rate_iops",
81c6b6cd
JA
2639 .hide = 1,
2640 .category = FIO_OPT_C_IO,
2641 .group = FIO_OPT_G_RATE,
214e1eca
JA
2642 },
2643 {
2644 .name = "ratecycle",
81c6b6cd 2645 .lname = "I/O rate cycle",
214e1eca
JA
2646 .type = FIO_OPT_INT,
2647 .off1 = td_var_offset(ratecycle),
2648 .help = "Window average for rate limits (msec)",
2649 .def = "1000",
afdf9352 2650 .parent = "rate",
81c6b6cd
JA
2651 .hide = 1,
2652 .category = FIO_OPT_C_IO,
2653 .group = FIO_OPT_G_RATE,
214e1eca 2654 },
15501535
JA
2655 {
2656 .name = "max_latency",
2657 .type = FIO_OPT_INT,
2658 .off1 = td_var_offset(max_latency),
2659 .help = "Maximum tolerated IO latency (usec)",
81c6b6cd
JA
2660 .category = FIO_OPT_C_IO,
2661 .group = FIO_OPT_G_RATE,
15501535 2662 },
214e1eca
JA
2663 {
2664 .name = "invalidate",
81c6b6cd 2665 .lname = "Cache invalidate",
214e1eca
JA
2666 .type = FIO_OPT_BOOL,
2667 .off1 = td_var_offset(invalidate_cache),
2668 .help = "Invalidate buffer/page cache prior to running job",
2669 .def = "1",
81c6b6cd
JA
2670 .category = FIO_OPT_C_IO,
2671 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
2672 },
2673 {
2674 .name = "sync",
81c6b6cd 2675 .lname = "Synchronous I/O",
214e1eca
JA
2676 .type = FIO_OPT_BOOL,
2677 .off1 = td_var_offset(sync_io),
2678 .help = "Use O_SYNC for buffered writes",
2679 .def = "0",
67a1000f 2680 .parent = "buffered",
81c6b6cd
JA
2681 .hide = 1,
2682 .category = FIO_OPT_C_IO,
2683 .group = FIO_OPT_G_IO_TYPE,
214e1eca
JA
2684 },
2685 {
2686 .name = "create_serialize",
81c6b6cd 2687 .lname = "Create serialize",
214e1eca
JA
2688 .type = FIO_OPT_BOOL,
2689 .off1 = td_var_offset(create_serialize),
2690 .help = "Serialize creating of job files",
2691 .def = "1",
81c6b6cd
JA
2692 .category = FIO_OPT_C_FILE,
2693 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2694 },
2695 {
2696 .name = "create_fsync",
81c6b6cd 2697 .lname = "Create fsync",
214e1eca
JA
2698 .type = FIO_OPT_BOOL,
2699 .off1 = td_var_offset(create_fsync),
03e20d68 2700 .help = "fsync file after creation",
214e1eca 2701 .def = "1",
81c6b6cd
JA
2702 .category = FIO_OPT_C_FILE,
2703 .group = FIO_OPT_G_INVALID,
214e1eca 2704 },
814452bd
JA
2705 {
2706 .name = "create_on_open",
81c6b6cd 2707 .lname = "Create on open",
814452bd
JA
2708 .type = FIO_OPT_BOOL,
2709 .off1 = td_var_offset(create_on_open),
2710 .help = "Create files when they are opened for IO",
2711 .def = "0",
81c6b6cd
JA
2712 .category = FIO_OPT_C_FILE,
2713 .group = FIO_OPT_G_INVALID,
814452bd 2714 },
25460cf6
JA
2715 {
2716 .name = "create_only",
2717 .type = FIO_OPT_BOOL,
2718 .off1 = td_var_offset(create_only),
2719 .help = "Only perform file creation phase",
81c6b6cd 2720 .category = FIO_OPT_C_FILE,
25460cf6
JA
2721 .def = "0",
2722 },
0b9d69ec 2723 {
afad68f7 2724 .name = "pre_read",
81c6b6cd 2725 .lname = "Pre-read files",
afad68f7
ZY
2726 .type = FIO_OPT_BOOL,
2727 .off1 = td_var_offset(pre_read),
03e20d68 2728 .help = "Pre-read files before starting official testing",
afad68f7 2729 .def = "0",
81c6b6cd
JA
2730 .category = FIO_OPT_C_FILE,
2731 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2732 },
2733#ifdef FIO_HAVE_CPU_AFFINITY
2734 {
2735 .name = "cpumask",
81c6b6cd 2736 .lname = "CPU mask",
214e1eca
JA
2737 .type = FIO_OPT_INT,
2738 .cb = str_cpumask_cb,
2739 .help = "CPU affinity mask",
81c6b6cd
JA
2740 .category = FIO_OPT_C_GENERAL,
2741 .group = FIO_OPT_G_CRED,
214e1eca 2742 },
d2e268b0
JA
2743 {
2744 .name = "cpus_allowed",
81c6b6cd 2745 .lname = "CPUs allowed",
d2e268b0
JA
2746 .type = FIO_OPT_STR,
2747 .cb = str_cpus_allowed_cb,
2748 .help = "Set CPUs allowed",
81c6b6cd
JA
2749 .category = FIO_OPT_C_GENERAL,
2750 .group = FIO_OPT_G_CRED,
d2e268b0 2751 },
d0b937ed 2752#endif
67bf9823 2753#ifdef CONFIG_LIBNUMA
d0b937ed
YR
2754 {
2755 .name = "numa_cpu_nodes",
2756 .type = FIO_OPT_STR,
2757 .cb = str_numa_cpunodes_cb,
2758 .help = "NUMA CPU nodes bind",
81c6b6cd
JA
2759 .category = FIO_OPT_C_GENERAL,
2760 .group = FIO_OPT_G_INVALID,
d0b937ed
YR
2761 },
2762 {
2763 .name = "numa_mem_policy",
2764 .type = FIO_OPT_STR,
2765 .cb = str_numa_mpol_cb,
2766 .help = "NUMA memory policy setup",
81c6b6cd
JA
2767 .category = FIO_OPT_C_GENERAL,
2768 .group = FIO_OPT_G_INVALID,
d0b937ed 2769 },
214e1eca
JA
2770#endif
2771 {
2772 .name = "end_fsync",
81c6b6cd 2773 .lname = "End fsync",
214e1eca
JA
2774 .type = FIO_OPT_BOOL,
2775 .off1 = td_var_offset(end_fsync),
2776 .help = "Include fsync at the end of job",
2777 .def = "0",
81c6b6cd
JA
2778 .category = FIO_OPT_C_FILE,
2779 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2780 },
2781 {
2782 .name = "fsync_on_close",
81c6b6cd 2783 .lname = "Fsync on close",
214e1eca
JA
2784 .type = FIO_OPT_BOOL,
2785 .off1 = td_var_offset(fsync_on_close),
2786 .help = "fsync files on close",
2787 .def = "0",
81c6b6cd
JA
2788 .category = FIO_OPT_C_FILE,
2789 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2790 },
2791 {
2792 .name = "unlink",
81c6b6cd 2793 .lname = "Unlink file",
214e1eca
JA
2794 .type = FIO_OPT_BOOL,
2795 .off1 = td_var_offset(unlink),
2796 .help = "Unlink created files after job has completed",
2797 .def = "0",
81c6b6cd
JA
2798 .category = FIO_OPT_C_FILE,
2799 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2800 },
2801 {
2802 .name = "exitall",
81c6b6cd 2803 .lname = "Exit-all on terminate",
214e1eca
JA
2804 .type = FIO_OPT_STR_SET,
2805 .cb = str_exitall_cb,
2806 .help = "Terminate all jobs when one exits",
81c6b6cd
JA
2807 .category = FIO_OPT_C_GENERAL,
2808 .group = FIO_OPT_G_PROCESS,
214e1eca
JA
2809 },
2810 {
2811 .name = "stonewall",
81c6b6cd 2812 .lname = "Wait for previous",
d392365e 2813 .alias = "wait_for_previous",
214e1eca
JA
2814 .type = FIO_OPT_STR_SET,
2815 .off1 = td_var_offset(stonewall),
2816 .help = "Insert a hard barrier between this job and previous",
81c6b6cd
JA
2817 .category = FIO_OPT_C_GENERAL,
2818 .group = FIO_OPT_G_PROCESS,
214e1eca 2819 },
b3d62a75
JA
2820 {
2821 .name = "new_group",
81c6b6cd 2822 .lname = "New group",
b3d62a75
JA
2823 .type = FIO_OPT_STR_SET,
2824 .off1 = td_var_offset(new_group),
2825 .help = "Mark the start of a new group (for reporting)",
81c6b6cd
JA
2826 .category = FIO_OPT_C_GENERAL,
2827 .group = FIO_OPT_G_PROCESS,
b3d62a75 2828 },
214e1eca
JA
2829 {
2830 .name = "thread",
81c6b6cd 2831 .lname = "Thread",
214e1eca
JA
2832 .type = FIO_OPT_STR_SET,
2833 .off1 = td_var_offset(use_thread),
81c6b6cd
JA
2834 .help = "Use threads instead of processes",
2835 .category = FIO_OPT_C_GENERAL,
2836 .group = FIO_OPT_G_PROCESS,
214e1eca
JA
2837 },
2838 {
2839 .name = "write_bw_log",
81c6b6cd 2840 .lname = "Write bandwidth log",
e3cedca7 2841 .type = FIO_OPT_STR,
81c6b6cd 2842 .off1 = td_var_offset(bw_log_file),
e3cedca7 2843 .cb = str_write_bw_log_cb,
214e1eca 2844 .help = "Write log of bandwidth during run",
81c6b6cd
JA
2845 .category = FIO_OPT_C_LOG,
2846 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2847 },
2848 {
2849 .name = "write_lat_log",
81c6b6cd 2850 .lname = "Write latency log",
e3cedca7 2851 .type = FIO_OPT_STR,
81c6b6cd 2852 .off1 = td_var_offset(lat_log_file),
e3cedca7 2853 .cb = str_write_lat_log_cb,
214e1eca 2854 .help = "Write log of latency during run",
81c6b6cd
JA
2855 .category = FIO_OPT_C_LOG,
2856 .group = FIO_OPT_G_INVALID,
214e1eca 2857 },
c8eeb9df
JA
2858 {
2859 .name = "write_iops_log",
81c6b6cd 2860 .lname = "Write IOPS log",
c8eeb9df 2861 .type = FIO_OPT_STR,
81c6b6cd 2862 .off1 = td_var_offset(iops_log_file),
c8eeb9df
JA
2863 .cb = str_write_iops_log_cb,
2864 .help = "Write log of IOPS during run",
81c6b6cd
JA
2865 .category = FIO_OPT_C_LOG,
2866 .group = FIO_OPT_G_INVALID,
c8eeb9df 2867 },
b8bc8cba
JA
2868 {
2869 .name = "log_avg_msec",
81c6b6cd 2870 .lname = "Log averaging (msec)",
b8bc8cba
JA
2871 .type = FIO_OPT_INT,
2872 .off1 = td_var_offset(log_avg_msec),
2873 .help = "Average bw/iops/lat logs over this period of time",
2874 .def = "0",
81c6b6cd
JA
2875 .category = FIO_OPT_C_LOG,
2876 .group = FIO_OPT_G_INVALID,
b8bc8cba 2877 },
214e1eca 2878 {
81c6b6cd
JA
2879 .name = "bwavgtime",
2880 .lname = "Bandwidth average time",
e01b22b8 2881 .type = FIO_OPT_INT,
81c6b6cd
JA
2882 .off1 = td_var_offset(bw_avg_time),
2883 .help = "Time window over which to calculate bandwidth"
2884 " (msec)",
2885 .def = "500",
2886 .parent = "write_bw_log",
2887 .hide = 1,
2888 .interval = 100,
2889 .category = FIO_OPT_C_LOG,
2890 .group = FIO_OPT_G_INVALID,
2891 },
2892 {
2893 .name = "iopsavgtime",
2894 .lname = "IOPS average time",
2895 .type = FIO_OPT_INT,
2896 .off1 = td_var_offset(iops_avg_time),
2897 .help = "Time window over which to calculate IOPS (msec)",
2898 .def = "500",
2899 .parent = "write_iops_log",
2900 .hide = 1,
2901 .interval = 100,
2902 .category = FIO_OPT_C_LOG,
2903 .group = FIO_OPT_G_INVALID,
214e1eca
JA
2904 },
2905 {
2906 .name = "group_reporting",
81c6b6cd
JA
2907 .lname = "Group reporting",
2908 .type = FIO_OPT_BOOL,
214e1eca
JA
2909 .off1 = td_var_offset(group_reporting),
2910 .help = "Do reporting on a per-group basis",
81c6b6cd
JA
2911 .def = "1",
2912 .category = FIO_OPT_C_STAT,
2913 .group = FIO_OPT_G_INVALID,
214e1eca 2914 },
e9459e5a
JA
2915 {
2916 .name = "zero_buffers",
81c6b6cd 2917 .lname = "Zero I/O buffers",
e9459e5a
JA
2918 .type = FIO_OPT_STR_SET,
2919 .off1 = td_var_offset(zero_buffers),
2920 .help = "Init IO buffers to all zeroes",
81c6b6cd
JA
2921 .category = FIO_OPT_C_IO,
2922 .group = FIO_OPT_G_IO_BUF,
e9459e5a 2923 },
5973cafb
JA
2924 {
2925 .name = "refill_buffers",
81c6b6cd 2926 .lname = "Refill I/O buffers",
5973cafb
JA
2927 .type = FIO_OPT_STR_SET,
2928 .off1 = td_var_offset(refill_buffers),
2929 .help = "Refill IO buffers on every IO submit",
81c6b6cd
JA
2930 .category = FIO_OPT_C_IO,
2931 .group = FIO_OPT_G_IO_BUF,
5973cafb 2932 },
fd68418e
JA
2933 {
2934 .name = "scramble_buffers",
81c6b6cd 2935 .lname = "Scramble I/O buffers",
fd68418e
JA
2936 .type = FIO_OPT_BOOL,
2937 .off1 = td_var_offset(scramble_buffers),
2938 .help = "Slightly scramble buffers on every IO submit",
2939 .def = "1",
81c6b6cd
JA
2940 .category = FIO_OPT_C_IO,
2941 .group = FIO_OPT_G_IO_BUF,
fd68418e 2942 },
9c42684e
JA
2943 {
2944 .name = "buffer_compress_percentage",
81c6b6cd 2945 .lname = "Buffer compression percentage",
9c42684e
JA
2946 .type = FIO_OPT_INT,
2947 .off1 = td_var_offset(compress_percentage),
2948 .maxval = 100,
2949 .minval = 1,
2950 .help = "How compressible the buffer is (approximately)",
81c6b6cd
JA
2951 .interval = 5,
2952 .category = FIO_OPT_C_IO,
2953 .group = FIO_OPT_G_IO_BUF,
9c42684e 2954 },
f97a43a1
JA
2955 {
2956 .name = "buffer_compress_chunk",
81c6b6cd 2957 .lname = "Buffer compression chunk size",
f97a43a1
JA
2958 .type = FIO_OPT_INT,
2959 .off1 = td_var_offset(compress_chunk),
207b18e4 2960 .parent = "buffer_compress_percentage",
81c6b6cd 2961 .hide = 1,
f97a43a1 2962 .help = "Size of compressible region in buffer",
81c6b6cd
JA
2963 .interval = 256,
2964 .category = FIO_OPT_C_IO,
2965 .group = FIO_OPT_G_IO_BUF,
f97a43a1 2966 },
83349190
YH
2967 {
2968 .name = "clat_percentiles",
81c6b6cd 2969 .lname = "Completion latency percentiles",
83349190
YH
2970 .type = FIO_OPT_BOOL,
2971 .off1 = td_var_offset(clat_percentiles),
2972 .help = "Enable the reporting of completion latency percentiles",
467b35ed 2973 .def = "1",
81c6b6cd
JA
2974 .category = FIO_OPT_C_STAT,
2975 .group = FIO_OPT_G_INVALID,
83349190
YH
2976 },
2977 {
2978 .name = "percentile_list",
81c6b6cd 2979 .lname = "Completion latency percentile list",
83349190
YH
2980 .type = FIO_OPT_FLOAT_LIST,
2981 .off1 = td_var_offset(percentile_list),
435d195a 2982 .off2 = td_var_offset(percentile_precision),
83349190 2983 .help = "Specify a custom list of percentiles to report",
fd112d34 2984 .def = "1:5:10:20:30:40:50:60:70:80:90:95:99:99.5:99.9:99.95:99.99",
83349190
YH
2985 .maxlen = FIO_IO_U_LIST_MAX_LEN,
2986 .minfp = 0.0,
2987 .maxfp = 100.0,
81c6b6cd
JA
2988 .category = FIO_OPT_C_STAT,
2989 .group = FIO_OPT_G_INVALID,
83349190
YH
2990 },
2991
0a839f30
JA
2992#ifdef FIO_HAVE_DISK_UTIL
2993 {
2994 .name = "disk_util",
81c6b6cd 2995 .lname = "Disk utilization",
0a839f30
JA
2996 .type = FIO_OPT_BOOL,
2997 .off1 = td_var_offset(do_disk_util),
f66ab3c8 2998 .help = "Log disk utilization statistics",
0a839f30 2999 .def = "1",
81c6b6cd
JA
3000 .category = FIO_OPT_C_STAT,
3001 .group = FIO_OPT_G_INVALID,
0a839f30
JA
3002 },
3003#endif
993bf48b
JA
3004 {
3005 .name = "gtod_reduce",
81c6b6cd 3006 .lname = "Reduce gettimeofday() calls",
993bf48b
JA
3007 .type = FIO_OPT_BOOL,
3008 .help = "Greatly reduce number of gettimeofday() calls",
3009 .cb = str_gtod_reduce_cb,
3010 .def = "0",
81c6b6cd
JA
3011 .hide_on_set = 1,
3012 .category = FIO_OPT_C_STAT,
3013 .group = FIO_OPT_G_INVALID,
993bf48b 3014 },
02af0988
JA
3015 {
3016 .name = "disable_lat",
81c6b6cd 3017 .lname = "Disable all latency stats",
02af0988
JA
3018 .type = FIO_OPT_BOOL,
3019 .off1 = td_var_offset(disable_lat),
3020 .help = "Disable latency numbers",
3021 .parent = "gtod_reduce",
81c6b6cd 3022 .hide = 1,
02af0988 3023 .def = "0",
81c6b6cd
JA
3024 .category = FIO_OPT_C_STAT,
3025 .group = FIO_OPT_G_INVALID,
02af0988 3026 },
9520ebb9
JA
3027 {
3028 .name = "disable_clat",
81c6b6cd 3029 .lname = "Disable completion latency stats",
9520ebb9
JA
3030 .type = FIO_OPT_BOOL,
3031 .off1 = td_var_offset(disable_clat),
3032 .help = "Disable completion latency numbers",
993bf48b 3033 .parent = "gtod_reduce",
81c6b6cd 3034 .hide = 1,
9520ebb9 3035 .def = "0",
81c6b6cd
JA
3036 .category = FIO_OPT_C_STAT,
3037 .group = FIO_OPT_G_INVALID,
9520ebb9
JA
3038 },
3039 {
3040 .name = "disable_slat",
81c6b6cd 3041 .lname = "Disable submission latency stats",
9520ebb9
JA
3042 .type = FIO_OPT_BOOL,
3043 .off1 = td_var_offset(disable_slat),
03e20d68 3044 .help = "Disable submission latency numbers",
993bf48b 3045 .parent = "gtod_reduce",
81c6b6cd 3046 .hide = 1,
9520ebb9 3047 .def = "0",
81c6b6cd
JA
3048 .category = FIO_OPT_C_STAT,
3049 .group = FIO_OPT_G_INVALID,
9520ebb9
JA
3050 },
3051 {
3052 .name = "disable_bw_measurement",
81c6b6cd 3053 .lname = "Disable bandwidth stats",
9520ebb9
JA
3054 .type = FIO_OPT_BOOL,
3055 .off1 = td_var_offset(disable_bw),
3056 .help = "Disable bandwidth logging",
993bf48b 3057 .parent = "gtod_reduce",
81c6b6cd 3058 .hide = 1,
9520ebb9 3059 .def = "0",
81c6b6cd
JA
3060 .category = FIO_OPT_C_STAT,
3061 .group = FIO_OPT_G_INVALID,
9520ebb9 3062 },
be4ecfdf
JA
3063 {
3064 .name = "gtod_cpu",
81c6b6cd 3065 .lname = "Dedicated gettimeofday() CPU",
be4ecfdf
JA
3066 .type = FIO_OPT_INT,
3067 .cb = str_gtod_cpu_cb,
03e20d68 3068 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 3069 .verify = gtod_cpu_verify,
81c6b6cd
JA
3070 .category = FIO_OPT_C_GENERAL,
3071 .group = FIO_OPT_G_CLOCK,
be4ecfdf 3072 },
771e58be
JA
3073 {
3074 .name = "unified_rw_reporting",
3075 .type = FIO_OPT_BOOL,
3076 .off1 = td_var_offset(unified_rw_rep),
3077 .help = "Unify reporting across data direction",
3078 .def = "0",
81c6b6cd
JA
3079 .category = FIO_OPT_C_GENERAL,
3080 .group = FIO_OPT_G_INVALID,
771e58be 3081 },
f2bba182
RR
3082 {
3083 .name = "continue_on_error",
81c6b6cd 3084 .lname = "Continue on error",
06842027 3085 .type = FIO_OPT_STR,
f2bba182 3086 .off1 = td_var_offset(continue_on_error),
03e20d68 3087 .help = "Continue on non-fatal errors during IO",
06842027 3088 .def = "none",
81c6b6cd
JA
3089 .category = FIO_OPT_C_GENERAL,
3090 .group = FIO_OPT_G_ERR,
06842027
SL
3091 .posval = {
3092 { .ival = "none",
3093 .oval = ERROR_TYPE_NONE,
3094 .help = "Exit when an error is encountered",
3095 },
3096 { .ival = "read",
3097 .oval = ERROR_TYPE_READ,
3098 .help = "Continue on read errors only",
3099 },
3100 { .ival = "write",
3101 .oval = ERROR_TYPE_WRITE,
3102 .help = "Continue on write errors only",
3103 },
3104 { .ival = "io",
3105 .oval = ERROR_TYPE_READ | ERROR_TYPE_WRITE,
3106 .help = "Continue on any IO errors",
3107 },
3108 { .ival = "verify",
3109 .oval = ERROR_TYPE_VERIFY,
3110 .help = "Continue on verify errors only",
3111 },
3112 { .ival = "all",
3113 .oval = ERROR_TYPE_ANY,
3114 .help = "Continue on all io and verify errors",
3115 },
3116 { .ival = "0",
3117 .oval = ERROR_TYPE_NONE,
3118 .help = "Alias for 'none'",
3119 },
3120 { .ival = "1",
3121 .oval = ERROR_TYPE_ANY,
3122 .help = "Alias for 'all'",
3123 },
3124 },
f2bba182 3125 },
8b28bd41
DM
3126 {
3127 .name = "ignore_error",
3128 .type = FIO_OPT_STR,
3129 .cb = str_ignore_error_cb,
3130 .help = "Set a specific list of errors to ignore",
3131 .parent = "rw",
81c6b6cd
JA
3132 .category = FIO_OPT_C_GENERAL,
3133 .group = FIO_OPT_G_ERR,
8b28bd41
DM
3134 },
3135 {
3136 .name = "error_dump",
3137 .type = FIO_OPT_BOOL,
3138 .off1 = td_var_offset(error_dump),
3139 .def = "0",
3140 .help = "Dump info on each error",
81c6b6cd
JA
3141 .category = FIO_OPT_C_GENERAL,
3142 .group = FIO_OPT_G_ERR,
8b28bd41 3143 },
9ac8a797
JA
3144 {
3145 .name = "profile",
81c6b6cd 3146 .lname = "Profile",
79d16311 3147 .type = FIO_OPT_STR_STORE,
9ac8a797 3148 .off1 = td_var_offset(profile),
9ac8a797 3149 .help = "Select a specific builtin performance test",
81c6b6cd
JA
3150 .category = FIO_OPT_C_PROFILE,
3151 .group = FIO_OPT_G_INVALID,
9ac8a797 3152 },
a696fa2a
JA
3153 {
3154 .name = "cgroup",
81c6b6cd 3155 .lname = "Cgroup",
a696fa2a
JA
3156 .type = FIO_OPT_STR_STORE,
3157 .off1 = td_var_offset(cgroup),
3158 .help = "Add job to cgroup of this name",
81c6b6cd
JA
3159 .category = FIO_OPT_C_GENERAL,
3160 .group = FIO_OPT_G_CGROUP,
3161 },
3162 {
3163 .name = "cgroup_nodelete",
3164 .lname = "Cgroup no-delete",
3165 .type = FIO_OPT_BOOL,
3166 .off1 = td_var_offset(cgroup_nodelete),
3167 .help = "Do not delete cgroups after job completion",
3168 .def = "0",
3169 .parent = "cgroup",
3170 .category = FIO_OPT_C_GENERAL,
3171 .group = FIO_OPT_G_CGROUP,
a696fa2a
JA
3172 },
3173 {
3174 .name = "cgroup_weight",
81c6b6cd 3175 .lname = "Cgroup weight",
a696fa2a
JA
3176 .type = FIO_OPT_INT,
3177 .off1 = td_var_offset(cgroup_weight),
3178 .help = "Use given weight for cgroup",
3179 .minval = 100,
3180 .maxval = 1000,
81c6b6cd
JA
3181 .parent = "cgroup",
3182 .category = FIO_OPT_C_GENERAL,
3183 .group = FIO_OPT_G_CGROUP,
7de87099 3184 },
e0b0d892
JA
3185 {
3186 .name = "uid",
81c6b6cd 3187 .lname = "User ID",
e0b0d892
JA
3188 .type = FIO_OPT_INT,
3189 .off1 = td_var_offset(uid),
3190 .help = "Run job with this user ID",
81c6b6cd
JA
3191 .category = FIO_OPT_C_GENERAL,
3192 .group = FIO_OPT_G_CRED,
e0b0d892
JA
3193 },
3194 {
3195 .name = "gid",
81c6b6cd 3196 .lname = "Group ID",
e0b0d892
JA
3197 .type = FIO_OPT_INT,
3198 .off1 = td_var_offset(gid),
3199 .help = "Run job with this group ID",
81c6b6cd
JA
3200 .category = FIO_OPT_C_GENERAL,
3201 .group = FIO_OPT_G_CRED,
3202 },
3203 {
3204 .name = "kb_base",
3205 .lname = "KB Base",
3206 .type = FIO_OPT_INT,
3207 .off1 = td_var_offset(kb_base),
3208 .prio = 1,
3209 .def = "1024",
3210 .posval = {
3211 { .ival = "1024",
3212 .oval = 1024,
3213 .help = "Use 1024 as the K base",
3214 },
3215 { .ival = "1000",
3216 .oval = 1000,
3217 .help = "Use 1000 as the K base",
3218 },
3219 },
3220 .help = "How many bytes per KB for reporting (1000 or 1024)",
3221 .category = FIO_OPT_C_GENERAL,
3222 .group = FIO_OPT_G_INVALID,
3223 },
3224 {
3225 .name = "unit_base",
3226 .lname = "Base unit for reporting (Bits or Bytes)",
3227 .type = FIO_OPT_INT,
3228 .off1 = td_var_offset(unit_base),
3229 .prio = 1,
3230 .posval = {
3231 { .ival = "0",
3232 .oval = 0,
3233 .help = "Auto-detect",
3234 },
3235 { .ival = "8",
3236 .oval = 8,
3237 .help = "Normal (byte based)",
3238 },
3239 { .ival = "1",
3240 .oval = 1,
3241 .help = "Bit based",
3242 },
3243 },
3244 .help = "Bit multiple of result summary data (8 for byte, 1 for bit)",
3245 .category = FIO_OPT_C_GENERAL,
3246 .group = FIO_OPT_G_INVALID,
3247 },
3248 {
3249 .name = "hugepage-size",
3250 .lname = "Hugepage size",
3251 .type = FIO_OPT_INT,
3252 .off1 = td_var_offset(hugepage_size),
3253 .help = "When using hugepages, specify size of each page",
3254 .def = __fio_stringify(FIO_HUGE_PAGE),
3255 .interval = 1024 * 1024,
3256 .category = FIO_OPT_C_GENERAL,
3257 .group = FIO_OPT_G_INVALID,
e0b0d892 3258 },
9e684a49
DE
3259 {
3260 .name = "flow_id",
81c6b6cd 3261 .lname = "I/O flow ID",
9e684a49
DE
3262 .type = FIO_OPT_INT,
3263 .off1 = td_var_offset(flow_id),
3264 .help = "The flow index ID to use",
3265 .def = "0",
81c6b6cd
JA
3266 .category = FIO_OPT_C_IO,
3267 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE
3268 },
3269 {
3270 .name = "flow",
81c6b6cd 3271 .lname = "I/O flow weight",
9e684a49
DE
3272 .type = FIO_OPT_INT,
3273 .off1 = td_var_offset(flow),
3274 .help = "Weight for flow control of this job",
3275 .parent = "flow_id",
81c6b6cd 3276 .hide = 1,
9e684a49 3277 .def = "0",
81c6b6cd
JA
3278 .category = FIO_OPT_C_IO,
3279 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE
3280 },
3281 {
3282 .name = "flow_watermark",
81c6b6cd 3283 .lname = "I/O flow watermark",
9e684a49
DE
3284 .type = FIO_OPT_INT,
3285 .off1 = td_var_offset(flow_watermark),
3286 .help = "High watermark for flow control. This option"
3287 " should be set to the same value for all threads"
3288 " with non-zero flow.",
3289 .parent = "flow_id",
81c6b6cd 3290 .hide = 1,
9e684a49 3291 .def = "1024",
81c6b6cd
JA
3292 .category = FIO_OPT_C_IO,
3293 .group = FIO_OPT_G_IO_FLOW,
9e684a49
DE
3294 },
3295 {
3296 .name = "flow_sleep",
81c6b6cd 3297 .lname = "I/O flow sleep",
9e684a49
DE
3298 .type = FIO_OPT_INT,
3299 .off1 = td_var_offset(flow_sleep),
3300 .help = "How many microseconds to sleep after being held"
3301 " back by the flow control mechanism",
3302 .parent = "flow_id",
81c6b6cd 3303 .hide = 1,
9e684a49 3304 .def = "0",
81c6b6cd
JA
3305 .category = FIO_OPT_C_IO,
3306 .group = FIO_OPT_G_IO_FLOW,
9e684a49 3307 },
214e1eca
JA
3308 {
3309 .name = NULL,
3310 },
3311};
3312
17af15d4 3313static void add_to_lopt(struct option *lopt, struct fio_option *o,
de890a1e 3314 const char *name, int val)
9f81736c 3315{
17af15d4 3316 lopt->name = (char *) name;
de890a1e 3317 lopt->val = val;
9f81736c
JA
3318 if (o->type == FIO_OPT_STR_SET)
3319 lopt->has_arg = no_argument;
3320 else
3321 lopt->has_arg = required_argument;
3322}
3323
de890a1e
SL
3324static void options_to_lopts(struct fio_option *opts,
3325 struct option *long_options,
3326 int i, int option_type)
214e1eca 3327{
de890a1e 3328 struct fio_option *o = &opts[0];
214e1eca 3329 while (o->name) {
de890a1e 3330 add_to_lopt(&long_options[i], o, o->name, option_type);
17af15d4
JA
3331 if (o->alias) {
3332 i++;
de890a1e 3333 add_to_lopt(&long_options[i], o, o->alias, option_type);
17af15d4 3334 }
214e1eca
JA
3335
3336 i++;
3337 o++;
3338 assert(i < FIO_NR_OPTIONS);
3339 }
3340}
3341
de890a1e
SL
3342void fio_options_set_ioengine_opts(struct option *long_options,
3343 struct thread_data *td)
3344{
3345 unsigned int i;
3346
3347 i = 0;
3348 while (long_options[i].name) {
3349 if (long_options[i].val == FIO_GETOPT_IOENGINE) {
3350 memset(&long_options[i], 0, sizeof(*long_options));
3351 break;
3352 }
3353 i++;
3354 }
3355
3356 /*
3357 * Just clear out the prior ioengine options.
3358 */
3359 if (!td || !td->eo)
3360 return;
3361
3362 options_to_lopts(td->io_ops->options, long_options, i,
3363 FIO_GETOPT_IOENGINE);
3364}
3365
3366void fio_options_dup_and_init(struct option *long_options)
3367{
3368 unsigned int i;
3369
81c6b6cd 3370 options_init(fio_options);
de890a1e
SL
3371
3372 i = 0;
3373 while (long_options[i].name)
3374 i++;
3375
81c6b6cd 3376 options_to_lopts(fio_options, long_options, i, FIO_GETOPT_JOB);
de890a1e
SL
3377}
3378
74929ac2
JA
3379struct fio_keyword {
3380 const char *word;
3381 const char *desc;
3382 char *replace;
3383};
3384
3385static struct fio_keyword fio_keywords[] = {
3386 {
3387 .word = "$pagesize",
3388 .desc = "Page size in the system",
3389 },
3390 {
3391 .word = "$mb_memory",
3392 .desc = "Megabytes of memory online",
3393 },
3394 {
3395 .word = "$ncpus",
3396 .desc = "Number of CPUs online in the system",
3397 },
3398 {
3399 .word = NULL,
3400 },
3401};
3402
3403void fio_keywords_init(void)
3404{
3b2e1464 3405 unsigned long long mb_memory;
74929ac2
JA
3406 char buf[128];
3407 long l;
3408
a4cfc477 3409 sprintf(buf, "%lu", (unsigned long) page_size);
74929ac2
JA
3410 fio_keywords[0].replace = strdup(buf);
3411
8eb016d3 3412 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 3413 sprintf(buf, "%llu", mb_memory);
74929ac2
JA
3414 fio_keywords[1].replace = strdup(buf);
3415
c00a2289 3416 l = cpus_online();
74929ac2
JA
3417 sprintf(buf, "%lu", l);
3418 fio_keywords[2].replace = strdup(buf);
3419}
3420
892a6ffc
JA
3421#define BC_APP "bc"
3422
3423static char *bc_calc(char *str)
3424{
d0c814ec 3425 char buf[128], *tmp;
892a6ffc
JA
3426 FILE *f;
3427 int ret;
3428
3429 /*
3430 * No math, just return string
3431 */
d0c814ec
SL
3432 if ((!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
3433 !strchr(str, '/')) || strchr(str, '\''))
892a6ffc
JA
3434 return str;
3435
3436 /*
3437 * Split option from value, we only need to calculate the value
3438 */
3439 tmp = strchr(str, '=');
3440 if (!tmp)
3441 return str;
3442
3443 tmp++;
892a6ffc 3444
d0c814ec
SL
3445 /*
3446 * Prevent buffer overflows; such a case isn't reasonable anyway
3447 */
3448 if (strlen(str) >= 128 || strlen(tmp) > 100)
3449 return str;
892a6ffc
JA
3450
3451 sprintf(buf, "which %s > /dev/null", BC_APP);
3452 if (system(buf)) {
3453 log_err("fio: bc is needed for performing math\n");
892a6ffc
JA
3454 return NULL;
3455 }
3456
d0c814ec 3457 sprintf(buf, "echo '%s' | %s", tmp, BC_APP);
892a6ffc
JA
3458 f = popen(buf, "r");
3459 if (!f) {
892a6ffc
JA
3460 return NULL;
3461 }
3462
d0c814ec 3463 ret = fread(&buf[tmp - str], 1, 128 - (tmp - str), f);
892a6ffc 3464 if (ret <= 0) {
892a6ffc
JA
3465 return NULL;
3466 }
3467
892a6ffc 3468 pclose(f);
d0c814ec
SL
3469 buf[(tmp - str) + ret - 1] = '\0';
3470 memcpy(buf, str, tmp - str);
892a6ffc 3471 free(str);
d0c814ec
SL
3472 return strdup(buf);
3473}
3474
3475/*
3476 * Return a copy of the input string with substrings of the form ${VARNAME}
3477 * substituted with the value of the environment variable VARNAME. The
3478 * substitution always occurs, even if VARNAME is empty or the corresponding
3479 * environment variable undefined.
3480 */
3481static char *option_dup_subs(const char *opt)
3482{
3483 char out[OPT_LEN_MAX+1];
3484 char in[OPT_LEN_MAX+1];
3485 char *outptr = out;
3486 char *inptr = in;
3487 char *ch1, *ch2, *env;
3488 ssize_t nchr = OPT_LEN_MAX;
3489 size_t envlen;
3490
3491 if (strlen(opt) + 1 > OPT_LEN_MAX) {
3492 log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
3493 return NULL;
3494 }
3495
3496 in[OPT_LEN_MAX] = '\0';
3497 strncpy(in, opt, OPT_LEN_MAX);
3498
3499 while (*inptr && nchr > 0) {
3500 if (inptr[0] == '$' && inptr[1] == '{') {
3501 ch2 = strchr(inptr, '}');
3502 if (ch2 && inptr+1 < ch2) {
3503 ch1 = inptr+2;
3504 inptr = ch2+1;
3505 *ch2 = '\0';
3506
3507 env = getenv(ch1);
3508 if (env) {
3509 envlen = strlen(env);
3510 if (envlen <= nchr) {
3511 memcpy(outptr, env, envlen);
3512 outptr += envlen;
3513 nchr -= envlen;
3514 }
3515 }
3516
3517 continue;
3518 }
3519 }
3520
3521 *outptr++ = *inptr++;
3522 --nchr;
3523 }
3524
3525 *outptr = '\0';
3526 return strdup(out);
892a6ffc
JA
3527}
3528
74929ac2
JA
3529/*
3530 * Look for reserved variable names and replace them with real values
3531 */
3532static char *fio_keyword_replace(char *opt)
3533{
3534 char *s;
3535 int i;
d0c814ec 3536 int docalc = 0;
74929ac2
JA
3537
3538 for (i = 0; fio_keywords[i].word != NULL; i++) {
3539 struct fio_keyword *kw = &fio_keywords[i];
3540
3541 while ((s = strstr(opt, kw->word)) != NULL) {
3542 char *new = malloc(strlen(opt) + 1);
3543 char *o_org = opt;
3544 int olen = s - opt;
3545 int len;
3546
3547 /*
3548 * Copy part of the string before the keyword and
3549 * sprintf() the replacement after it.
3550 */
3551 memcpy(new, opt, olen);
3552 len = sprintf(new + olen, "%s", kw->replace);
3553
3554 /*
3555 * If there's more in the original string, copy that
3556 * in too
3557 */
3558 opt += strlen(kw->word) + olen;
3559 if (strlen(opt))
3560 memcpy(new + olen + len, opt, opt - o_org - 1);
3561
3562 /*
3563 * replace opt and free the old opt
3564 */
3565 opt = new;
d0c814ec 3566 free(o_org);
7a958bd5 3567
d0c814ec 3568 docalc = 1;
74929ac2
JA
3569 }
3570 }
3571
d0c814ec
SL
3572 /*
3573 * Check for potential math and invoke bc, if possible
3574 */
3575 if (docalc)
3576 opt = bc_calc(opt);
3577
7a958bd5 3578 return opt;
74929ac2
JA
3579}
3580
d0c814ec
SL
3581static char **dup_and_sub_options(char **opts, int num_opts)
3582{
3583 int i;
3584 char **opts_copy = malloc(num_opts * sizeof(*opts));
3585 for (i = 0; i < num_opts; i++) {
3586 opts_copy[i] = option_dup_subs(opts[i]);
3587 if (!opts_copy[i])
3588 continue;
3589 opts_copy[i] = fio_keyword_replace(opts_copy[i]);
3590 }
3591 return opts_copy;
3592}
3593
3b8b7135 3594int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 3595{
de890a1e 3596 int i, ret, unknown;
d0c814ec 3597 char **opts_copy;
3b8b7135 3598
81c6b6cd 3599 sort_options(opts, fio_options, num_opts);
d0c814ec 3600 opts_copy = dup_and_sub_options(opts, num_opts);
3b8b7135 3601
de890a1e
SL
3602 for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
3603 struct fio_option *o;
81c6b6cd
JA
3604 int newret = parse_option(opts_copy[i], opts[i], fio_options,
3605 &o, td);
d0c814ec 3606
de890a1e
SL
3607 if (opts_copy[i]) {
3608 if (newret && !o) {
3609 unknown++;
3610 continue;
3611 }
d0c814ec 3612 free(opts_copy[i]);
de890a1e
SL
3613 opts_copy[i] = NULL;
3614 }
3615
3616 ret |= newret;
3617 }
3618
3619 if (unknown) {
3620 ret |= ioengine_load(td);
3621 if (td->eo) {
3622 sort_options(opts_copy, td->io_ops->options, num_opts);
3623 opts = opts_copy;
3624 }
3625 for (i = 0; i < num_opts; i++) {
3626 struct fio_option *o = NULL;
3627 int newret = 1;
3628 if (!opts_copy[i])
3629 continue;
3630
3631 if (td->eo)
3632 newret = parse_option(opts_copy[i], opts[i],
3633 td->io_ops->options, &o,
3634 td->eo);
3635
3636 ret |= newret;
3637 if (!o)
3638 log_err("Bad option <%s>\n", opts[i]);
3639
3640 free(opts_copy[i]);
3641 opts_copy[i] = NULL;
3642 }
74929ac2 3643 }
3b8b7135 3644
d0c814ec 3645 free(opts_copy);
3b8b7135 3646 return ret;
214e1eca
JA
3647}
3648
3649int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
3650{
81c6b6cd 3651 return parse_cmd_option(opt, val, fio_options, td);
214e1eca
JA
3652}
3653
de890a1e
SL
3654int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
3655 char *val)
3656{
3657 return parse_cmd_option(opt, val, td->io_ops->options, td);
3658}
3659
214e1eca
JA
3660void fio_fill_default_options(struct thread_data *td)
3661{
81c6b6cd 3662 fill_default_options(td, fio_options);
214e1eca
JA
3663}
3664
3665int fio_show_option_help(const char *opt)
3666{
81c6b6cd 3667 return show_cmd_help(fio_options, opt);
214e1eca 3668}
d23bb327 3669
de890a1e 3670void options_mem_dupe(void *data, struct fio_option *options)
d23bb327 3671{
de890a1e 3672 struct fio_option *o;
d23bb327 3673 char **ptr;
d23bb327 3674
de890a1e
SL
3675 for (o = &options[0]; o->name; o++) {
3676 if (o->type != FIO_OPT_STR_STORE)
d23bb327
JA
3677 continue;
3678
de890a1e 3679 ptr = td_var(data, o->off1);
7e356b2d
JA
3680 if (*ptr)
3681 *ptr = strdup(*ptr);
d23bb327
JA
3682 }
3683}
3684
de890a1e
SL
3685/*
3686 * dupe FIO_OPT_STR_STORE options
3687 */
3688void fio_options_mem_dupe(struct thread_data *td)
3689{
81c6b6cd 3690 options_mem_dupe(&td->o, fio_options);
1647f592
JA
3691
3692 if (td->eo && td->io_ops) {
de890a1e 3693 void *oldeo = td->eo;
1647f592 3694
de890a1e
SL
3695 td->eo = malloc(td->io_ops->option_struct_size);
3696 memcpy(td->eo, oldeo, td->io_ops->option_struct_size);
3697 options_mem_dupe(td->eo, td->io_ops->options);
3698 }
3699}
3700
d6978a32
JA
3701unsigned int fio_get_kb_base(void *data)
3702{
3703 struct thread_data *td = data;
3704 unsigned int kb_base = 0;
3705
3706 if (td)
3707 kb_base = td->o.kb_base;
3708 if (!kb_base)
3709 kb_base = 1024;
3710
3711 return kb_base;
3712}