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Improve verify pattern failure logging
[fio.git] / options.c
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CommitLineData
1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
6#include <getopt.h>
7#include <assert.h>
8
9#include "fio.h"
10#include "parse.h"
11#include "fls.h"
12
13#define td_var_offset(var) ((size_t) &((struct thread_options *)0)->var)
14
15/*
16 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
17 */
18static char *get_opt_postfix(const char *str)
19{
20 char *p = strstr(str, ":");
21
22 if (!p)
23 return NULL;
24
25 p++;
26 strip_blank_front(&p);
27 strip_blank_end(p);
28 return strdup(p);
29}
30
31static int str_rw_cb(void *data, const char *str)
32{
33 struct thread_data *td = data;
34 char *nr = get_opt_postfix(str);
35
36 td->o.ddir_nr = 1;
37 if (nr)
38 td->o.ddir_nr = atoi(nr);
39
40 return 0;
41}
42
43static int str_mem_cb(void *data, const char *mem)
44{
45 struct thread_data *td = data;
46
47 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) {
48 td->mmapfile = get_opt_postfix(mem);
49 if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) {
50 log_err("fio: mmaphuge:/path/to/file\n");
51 return 1;
52 }
53 }
54
55 return 0;
56}
57
58static int str_lockmem_cb(void fio_unused *data, unsigned long *val)
59{
60 mlock_size = *val;
61 return 0;
62}
63
64#ifdef FIO_HAVE_IOPRIO
65static int str_prioclass_cb(void *data, unsigned int *val)
66{
67 struct thread_data *td = data;
68 unsigned short mask;
69
70 /*
71 * mask off old class bits, str_prio_cb() may have set a default class
72 */
73 mask = (1 << IOPRIO_CLASS_SHIFT) - 1;
74 td->ioprio &= mask;
75
76 td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
77 return 0;
78}
79
80static int str_prio_cb(void *data, unsigned int *val)
81{
82 struct thread_data *td = data;
83
84 td->ioprio |= *val;
85
86 /*
87 * If no class is set, assume BE
88 */
89 if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0)
90 td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT;
91
92 return 0;
93}
94#endif
95
96static int str_exitall_cb(void)
97{
98 exitall_on_terminate = 1;
99 return 0;
100}
101
102#ifdef FIO_HAVE_CPU_AFFINITY
103static int str_cpumask_cb(void *data, unsigned int *val)
104{
105 struct thread_data *td = data;
106 unsigned int i;
107
108 CPU_ZERO(&td->o.cpumask);
109
110 for (i = 0; i < sizeof(int) * 8; i++)
111 if ((1 << i) & *val)
112 CPU_SET(*val, &td->o.cpumask);
113
114 td->o.cpumask_set = 1;
115 return 0;
116}
117
118static int str_cpus_allowed_cb(void *data, const char *input)
119{
120 struct thread_data *td = data;
121 char *cpu, *str, *p;
122
123 CPU_ZERO(&td->o.cpumask);
124
125 p = str = strdup(input);
126
127 strip_blank_front(&str);
128 strip_blank_end(str);
129
130 while ((cpu = strsep(&str, ",")) != NULL) {
131 if (!strlen(cpu))
132 break;
133 CPU_SET(atoi(cpu), &td->o.cpumask);
134 }
135
136 free(p);
137 td->o.cpumask_set = 1;
138 exit(0);
139 return 0;
140}
141#endif
142
143static int str_fst_cb(void *data, const char *str)
144{
145 struct thread_data *td = data;
146 char *nr = get_opt_postfix(str);
147
148 td->file_service_nr = 1;
149 if (nr)
150 td->file_service_nr = atoi(nr);
151
152 return 0;
153}
154
155static int str_filename_cb(void *data, const char *input)
156{
157 struct thread_data *td = data;
158 char *fname, *str, *p;
159
160 p = str = strdup(input);
161
162 strip_blank_front(&str);
163 strip_blank_end(str);
164
165 if (!td->files_index)
166 td->o.nr_files = 0;
167
168 while ((fname = strsep(&str, ":")) != NULL) {
169 if (!strlen(fname))
170 break;
171 add_file(td, fname);
172 td->o.nr_files++;
173 }
174
175 free(p);
176 return 0;
177}
178
179static int str_directory_cb(void *data, const char fio_unused *str)
180{
181 struct thread_data *td = data;
182 struct stat sb;
183
184 if (lstat(td->o.directory, &sb) < 0) {
185 log_err("fio: %s is not a directory\n", td->o.directory);
186 td_verror(td, errno, "lstat");
187 return 1;
188 }
189 if (!S_ISDIR(sb.st_mode)) {
190 log_err("fio: %s is not a directory\n", td->o.directory);
191 return 1;
192 }
193
194 return 0;
195}
196
197static int str_opendir_cb(void *data, const char fio_unused *str)
198{
199 struct thread_data *td = data;
200
201 if (!td->files_index)
202 td->o.nr_files = 0;
203
204 return add_dir_files(td, td->o.opendir);
205}
206
207static int str_verify_offset_cb(void *data, unsigned int *off)
208{
209 struct thread_data *td = data;
210
211 if (*off && *off < sizeof(struct verify_header)) {
212 log_err("fio: verify_offset too small\n");
213 return 1;
214 }
215
216 td->o.verify_offset = *off;
217 return 0;
218}
219
220static int str_verify_pattern_cb(void *data, unsigned int *off)
221{
222 struct thread_data *td = data;
223 unsigned int msb;
224
225 msb = fls(*off);
226 if (msb <= 8)
227 td->o.verify_pattern_bytes = 1;
228 else if (msb <= 16)
229 td->o.verify_pattern_bytes = 2;
230 else if (msb <= 24)
231 td->o.verify_pattern_bytes = 3;
232 else
233 td->o.verify_pattern_bytes = 4;
234
235 td->o.verify_pattern = *off;
236 return 0;
237}
238
239#define __stringify_1(x) #x
240#define __stringify(x) __stringify_1(x)
241
242/*
243 * Map of job/command line options
244 */
245static struct fio_option options[] = {
246 {
247 .name = "description",
248 .type = FIO_OPT_STR_STORE,
249 .off1 = td_var_offset(description),
250 .help = "Text job description",
251 },
252 {
253 .name = "name",
254 .type = FIO_OPT_STR_STORE,
255 .off1 = td_var_offset(name),
256 .help = "Name of this job",
257 },
258 {
259 .name = "directory",
260 .type = FIO_OPT_STR_STORE,
261 .off1 = td_var_offset(directory),
262 .cb = str_directory_cb,
263 .help = "Directory to store files in",
264 },
265 {
266 .name = "filename",
267 .type = FIO_OPT_STR_STORE,
268 .off1 = td_var_offset(filename),
269 .cb = str_filename_cb,
270 .help = "File(s) to use for the workload",
271 },
272 {
273 .name = "opendir",
274 .type = FIO_OPT_STR_STORE,
275 .off1 = td_var_offset(opendir),
276 .cb = str_opendir_cb,
277 .help = "Recursively add files from this directory and down",
278 },
279 {
280 .name = "rw",
281 .alias = "readwrite",
282 .type = FIO_OPT_STR,
283 .cb = str_rw_cb,
284 .off1 = td_var_offset(td_ddir),
285 .help = "IO direction",
286 .def = "read",
287 .posval = {
288 { .ival = "read",
289 .oval = TD_DDIR_READ,
290 .help = "Sequential read",
291 },
292 { .ival = "write",
293 .oval = TD_DDIR_WRITE,
294 .help = "Sequential write",
295 },
296 { .ival = "randread",
297 .oval = TD_DDIR_RANDREAD,
298 .help = "Random read",
299 },
300 { .ival = "randwrite",
301 .oval = TD_DDIR_RANDWRITE,
302 .help = "Random write",
303 },
304 { .ival = "rw",
305 .oval = TD_DDIR_RW,
306 .help = "Sequential read and write mix",
307 },
308 { .ival = "randrw",
309 .oval = TD_DDIR_RANDRW,
310 .help = "Random read and write mix"
311 },
312 },
313 },
314 {
315 .name = "ioengine",
316 .type = FIO_OPT_STR_STORE,
317 .off1 = td_var_offset(ioengine),
318 .help = "IO engine to use",
319 .def = "sync",
320 .posval = {
321 { .ival = "sync",
322 .help = "Use read/write",
323 },
324#ifdef FIO_HAVE_LIBAIO
325 { .ival = "libaio",
326 .help = "Linux native asynchronous IO",
327 },
328#endif
329#ifdef FIO_HAVE_POSIXAIO
330 { .ival = "posixaio",
331 .help = "POSIX asynchronous IO",
332 },
333#endif
334 { .ival = "mmap",
335 .help = "Memory mapped IO",
336 },
337#ifdef FIO_HAVE_SPLICE
338 { .ival = "splice",
339 .help = "splice/vmsplice based IO",
340 },
341 { .ival = "netsplice",
342 .help = "splice/vmsplice to/from the network",
343 },
344#endif
345#ifdef FIO_HAVE_SGIO
346 { .ival = "sg",
347 .help = "SCSI generic v3 IO",
348 },
349#endif
350 { .ival = "null",
351 .help = "Testing engine (no data transfer)",
352 },
353 { .ival = "net",
354 .help = "Network IO",
355 },
356#ifdef FIO_HAVE_SYSLET
357 { .ival = "syslet-rw",
358 .help = "syslet enabled async pread/pwrite IO",
359 },
360#endif
361 { .ival = "cpuio",
362 .help = "CPU cycler burner engine",
363 },
364#ifdef FIO_HAVE_GUASI
365 { .ival = "guasi",
366 .help = "GUASI IO engine",
367 },
368#endif
369 { .ival = "external",
370 .help = "Load external engine (append name)",
371 },
372 },
373 },
374 {
375 .name = "iodepth",
376 .type = FIO_OPT_INT,
377 .off1 = td_var_offset(iodepth),
378 .help = "Amount of IO buffers to keep in flight",
379 .def = "1",
380 },
381 {
382 .name = "iodepth_batch",
383 .type = FIO_OPT_INT,
384 .off1 = td_var_offset(iodepth_batch),
385 .help = "Number of IO to submit in one go",
386 .parent = "iodepth",
387 },
388 {
389 .name = "iodepth_low",
390 .type = FIO_OPT_INT,
391 .off1 = td_var_offset(iodepth_low),
392 .help = "Low water mark for queuing depth",
393 .parent = "iodepth",
394 },
395 {
396 .name = "size",
397 .type = FIO_OPT_STR_VAL,
398 .off1 = td_var_offset(size),
399 .minval = 1,
400 .help = "Total size of device or files",
401 },
402 {
403 .name = "filesize",
404 .type = FIO_OPT_STR_VAL,
405 .off1 = td_var_offset(file_size_low),
406 .off2 = td_var_offset(file_size_high),
407 .minval = 1,
408 .help = "Size of individual files",
409 },
410 {
411 .name = "offset",
412 .alias = "fileoffset",
413 .type = FIO_OPT_STR_VAL,
414 .off1 = td_var_offset(start_offset),
415 .help = "Start IO from this offset",
416 .def = "0",
417 },
418 {
419 .name = "bs",
420 .alias = "blocksize",
421 .type = FIO_OPT_STR_VAL_INT,
422 .off1 = td_var_offset(bs[DDIR_READ]),
423 .off2 = td_var_offset(bs[DDIR_WRITE]),
424 .minval = 1,
425 .help = "Block size unit",
426 .def = "4k",
427 .parent = "rw",
428 },
429 {
430 .name = "bsrange",
431 .alias = "blocksize_range",
432 .type = FIO_OPT_RANGE,
433 .off1 = td_var_offset(min_bs[DDIR_READ]),
434 .off2 = td_var_offset(max_bs[DDIR_READ]),
435 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
436 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
437 .minval = 1,
438 .help = "Set block size range (in more detail than bs)",
439 .parent = "rw",
440 },
441 {
442 .name = "bs_unaligned",
443 .alias = "blocksize_unaligned",
444 .type = FIO_OPT_STR_SET,
445 .off1 = td_var_offset(bs_unaligned),
446 .help = "Don't sector align IO buffer sizes",
447 .parent = "rw",
448 },
449 {
450 .name = "randrepeat",
451 .type = FIO_OPT_BOOL,
452 .off1 = td_var_offset(rand_repeatable),
453 .help = "Use repeatable random IO pattern",
454 .def = "1",
455 .parent = "rw",
456 },
457 {
458 .name = "norandommap",
459 .type = FIO_OPT_STR_SET,
460 .off1 = td_var_offset(norandommap),
461 .help = "Accept potential duplicate random blocks",
462 .parent = "rw",
463 },
464 {
465 .name = "nrfiles",
466 .type = FIO_OPT_INT,
467 .off1 = td_var_offset(nr_files),
468 .help = "Split job workload between this number of files",
469 .def = "1",
470 },
471 {
472 .name = "openfiles",
473 .type = FIO_OPT_INT,
474 .off1 = td_var_offset(open_files),
475 .help = "Number of files to keep open at the same time",
476 },
477 {
478 .name = "file_service_type",
479 .type = FIO_OPT_STR,
480 .cb = str_fst_cb,
481 .off1 = td_var_offset(file_service_type),
482 .help = "How to select which file to service next",
483 .def = "roundrobin",
484 .posval = {
485 { .ival = "random",
486 .oval = FIO_FSERVICE_RANDOM,
487 .help = "Choose a file at random",
488 },
489 { .ival = "roundrobin",
490 .oval = FIO_FSERVICE_RR,
491 .help = "Round robin select files",
492 },
493 },
494 .parent = "nrfiles",
495 },
496 {
497 .name = "fadvise_hint",
498 .type = FIO_OPT_BOOL,
499 .off1 = td_var_offset(fadvise_hint),
500 .help = "Use fadvise() to advise the kernel on IO pattern",
501 .def = "1",
502 },
503 {
504 .name = "fsync",
505 .type = FIO_OPT_INT,
506 .off1 = td_var_offset(fsync_blocks),
507 .help = "Issue fsync for writes every given number of blocks",
508 .def = "0",
509 },
510 {
511 .name = "direct",
512 .type = FIO_OPT_BOOL,
513 .off1 = td_var_offset(odirect),
514 .help = "Use O_DIRECT IO (negates buffered)",
515 .def = "0",
516 },
517 {
518 .name = "buffered",
519 .type = FIO_OPT_BOOL,
520 .off1 = td_var_offset(odirect),
521 .neg = 1,
522 .help = "Use buffered IO (negates direct)",
523 .def = "1",
524 },
525 {
526 .name = "overwrite",
527 .type = FIO_OPT_BOOL,
528 .off1 = td_var_offset(overwrite),
529 .help = "When writing, set whether to overwrite current data",
530 .def = "0",
531 },
532 {
533 .name = "loops",
534 .type = FIO_OPT_INT,
535 .off1 = td_var_offset(loops),
536 .help = "Number of times to run the job",
537 .def = "1",
538 },
539 {
540 .name = "numjobs",
541 .type = FIO_OPT_INT,
542 .off1 = td_var_offset(numjobs),
543 .help = "Duplicate this job this many times",
544 .def = "1",
545 },
546 {
547 .name = "startdelay",
548 .type = FIO_OPT_INT,
549 .off1 = td_var_offset(start_delay),
550 .help = "Only start job when this period has passed",
551 .def = "0",
552 },
553 {
554 .name = "runtime",
555 .alias = "timeout",
556 .type = FIO_OPT_STR_VAL_TIME,
557 .off1 = td_var_offset(timeout),
558 .help = "Stop workload when this amount of time has passed",
559 .def = "0",
560 },
561 {
562 .name = "time_based",
563 .type = FIO_OPT_STR_SET,
564 .off1 = td_var_offset(time_based),
565 .help = "Keep running until runtime/timeout is met",
566 },
567 {
568 .name = "mem",
569 .alias = "iomem",
570 .type = FIO_OPT_STR,
571 .cb = str_mem_cb,
572 .off1 = td_var_offset(mem_type),
573 .help = "Backing type for IO buffers",
574 .def = "malloc",
575 .posval = {
576 { .ival = "malloc",
577 .oval = MEM_MALLOC,
578 .help = "Use malloc(3) for IO buffers",
579 },
580 { .ival = "shm",
581 .oval = MEM_SHM,
582 .help = "Use shared memory segments for IO buffers",
583 },
584#ifdef FIO_HAVE_HUGETLB
585 { .ival = "shmhuge",
586 .oval = MEM_SHMHUGE,
587 .help = "Like shm, but use huge pages",
588 },
589#endif
590 { .ival = "mmap",
591 .oval = MEM_MMAP,
592 .help = "Use mmap(2) (file or anon) for IO buffers",
593 },
594#ifdef FIO_HAVE_HUGETLB
595 { .ival = "mmaphuge",
596 .oval = MEM_MMAPHUGE,
597 .help = "Like mmap, but use huge pages",
598 },
599#endif
600 },
601 },
602 {
603 .name = "verify",
604 .type = FIO_OPT_STR,
605 .off1 = td_var_offset(verify),
606 .help = "Verify data written",
607 .def = "0",
608 .posval = {
609 { .ival = "0",
610 .oval = VERIFY_NONE,
611 .help = "Don't do IO verification",
612 },
613 { .ival = "md5",
614 .oval = VERIFY_MD5,
615 .help = "Use md5 checksums for verification",
616 },
617 { .ival = "crc64",
618 .oval = VERIFY_CRC64,
619 .help = "Use crc64 checksums for verification",
620 },
621 { .ival = "crc32",
622 .oval = VERIFY_CRC32,
623 .help = "Use crc32 checksums for verification",
624 },
625 { .ival = "crc16",
626 .oval = VERIFY_CRC16,
627 .help = "Use crc16 checksums for verification",
628 },
629 { .ival = "crc7",
630 .oval = VERIFY_CRC7,
631 .help = "Use crc7 checksums for verification",
632 },
633 { .ival = "sha256",
634 .oval = VERIFY_SHA256,
635 .help = "Use sha256 checksums for verification",
636 },
637 { .ival = "sha512",
638 .oval = VERIFY_SHA512,
639 .help = "Use sha512 checksums for verification",
640 },
641 { .ival = "meta",
642 .oval = VERIFY_META,
643 .help = "Use io information",
644 },
645 {
646 .ival = "null",
647 .oval = VERIFY_NULL,
648 .help = "Pretend to verify",
649 },
650 },
651 },
652 {
653 .name = "do_verify",
654 .type = FIO_OPT_INT,
655 .off1 = td_var_offset(do_verify),
656 .help = "Run verification stage after write",
657 .def = "1",
658 .parent = "verify",
659 },
660 {
661 .name = "verifysort",
662 .type = FIO_OPT_BOOL,
663 .off1 = td_var_offset(verifysort),
664 .help = "Sort written verify blocks for read back",
665 .def = "1",
666 .parent = "verify",
667 },
668 {
669 .name = "verify_interval",
670 .type = FIO_OPT_STR_VAL_INT,
671 .off1 = td_var_offset(verify_interval),
672 .minval = 2 * sizeof(struct verify_header),
673 .help = "Store verify buffer header every N bytes",
674 .parent = "verify",
675 },
676 {
677 .name = "verify_offset",
678 .type = FIO_OPT_STR_VAL_INT,
679 .help = "Offset verify header location by N bytes",
680 .def = "0",
681 .cb = str_verify_offset_cb,
682 .parent = "verify",
683 },
684 {
685 .name = "verify_pattern",
686 .type = FIO_OPT_INT,
687 .cb = str_verify_pattern_cb,
688 .help = "Fill pattern for IO buffers",
689 .parent = "verify",
690 },
691 {
692 .name = "write_iolog",
693 .type = FIO_OPT_STR_STORE,
694 .off1 = td_var_offset(write_iolog_file),
695 .help = "Store IO pattern to file",
696 },
697 {
698 .name = "read_iolog",
699 .type = FIO_OPT_STR_STORE,
700 .off1 = td_var_offset(read_iolog_file),
701 .help = "Playback IO pattern from file",
702 },
703 {
704 .name = "exec_prerun",
705 .type = FIO_OPT_STR_STORE,
706 .off1 = td_var_offset(exec_prerun),
707 .help = "Execute this file prior to running job",
708 },
709 {
710 .name = "exec_postrun",
711 .type = FIO_OPT_STR_STORE,
712 .off1 = td_var_offset(exec_postrun),
713 .help = "Execute this file after running job",
714 },
715#ifdef FIO_HAVE_IOSCHED_SWITCH
716 {
717 .name = "ioscheduler",
718 .type = FIO_OPT_STR_STORE,
719 .off1 = td_var_offset(ioscheduler),
720 .help = "Use this IO scheduler on the backing device",
721 },
722#endif
723 {
724 .name = "zonesize",
725 .type = FIO_OPT_STR_VAL,
726 .off1 = td_var_offset(zone_size),
727 .help = "Give size of an IO zone",
728 .def = "0",
729 },
730 {
731 .name = "zoneskip",
732 .type = FIO_OPT_STR_VAL,
733 .off1 = td_var_offset(zone_skip),
734 .help = "Space between IO zones",
735 .def = "0",
736 },
737 {
738 .name = "lockmem",
739 .type = FIO_OPT_STR_VAL,
740 .cb = str_lockmem_cb,
741 .help = "Lock down this amount of memory",
742 .def = "0",
743 },
744 {
745 .name = "rwmixread",
746 .type = FIO_OPT_INT,
747 .off1 = td_var_offset(rwmix[DDIR_READ]),
748 .maxval = 100,
749 .help = "Percentage of mixed workload that is reads",
750 .def = "50",
751 },
752 {
753 .name = "rwmixwrite",
754 .type = FIO_OPT_INT,
755 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
756 .maxval = 100,
757 .help = "Percentage of mixed workload that is writes",
758 .def = "50",
759 },
760 {
761 .name = "rwmixcycle",
762 .type = FIO_OPT_INT,
763 .off1 = td_var_offset(rwmixcycle),
764 .help = "Cycle period for mixed read/write workloads (msec)",
765 .def = "500",
766 .parent = "rwmixread",
767 },
768 {
769 .name = "nice",
770 .type = FIO_OPT_INT,
771 .off1 = td_var_offset(nice),
772 .help = "Set job CPU nice value",
773 .minval = -19,
774 .maxval = 20,
775 .def = "0",
776 },
777#ifdef FIO_HAVE_IOPRIO
778 {
779 .name = "prio",
780 .type = FIO_OPT_INT,
781 .cb = str_prio_cb,
782 .help = "Set job IO priority value",
783 .minval = 0,
784 .maxval = 7,
785 },
786 {
787 .name = "prioclass",
788 .type = FIO_OPT_INT,
789 .cb = str_prioclass_cb,
790 .help = "Set job IO priority class",
791 .minval = 0,
792 .maxval = 3,
793 },
794#endif
795 {
796 .name = "thinktime",
797 .type = FIO_OPT_INT,
798 .off1 = td_var_offset(thinktime),
799 .help = "Idle time between IO buffers (usec)",
800 .def = "0",
801 },
802 {
803 .name = "thinktime_spin",
804 .type = FIO_OPT_INT,
805 .off1 = td_var_offset(thinktime_spin),
806 .help = "Start think time by spinning this amount (usec)",
807 .def = "0",
808 .parent = "thinktime",
809 },
810 {
811 .name = "thinktime_blocks",
812 .type = FIO_OPT_INT,
813 .off1 = td_var_offset(thinktime_blocks),
814 .help = "IO buffer period between 'thinktime'",
815 .def = "1",
816 .parent = "thinktime",
817 },
818 {
819 .name = "rate",
820 .type = FIO_OPT_INT,
821 .off1 = td_var_offset(rate),
822 .help = "Set bandwidth rate",
823 },
824 {
825 .name = "ratemin",
826 .type = FIO_OPT_INT,
827 .off1 = td_var_offset(ratemin),
828 .help = "Job must meet this rate or it will be shutdown",
829 .parent = "rate",
830 },
831 {
832 .name = "rate_iops",
833 .type = FIO_OPT_INT,
834 .off1 = td_var_offset(rate_iops),
835 .help = "Limit IO used to this number of IO operations/sec",
836 },
837 {
838 .name = "rate_iops_min",
839 .type = FIO_OPT_INT,
840 .off1 = td_var_offset(rate_iops_min),
841 .help = "Job must meet this rate or it will be shutdown",
842 .parent = "rate_iops",
843 },
844 {
845 .name = "ratecycle",
846 .type = FIO_OPT_INT,
847 .off1 = td_var_offset(ratecycle),
848 .help = "Window average for rate limits (msec)",
849 .def = "1000",
850 .parent = "rate",
851 },
852 {
853 .name = "invalidate",
854 .type = FIO_OPT_BOOL,
855 .off1 = td_var_offset(invalidate_cache),
856 .help = "Invalidate buffer/page cache prior to running job",
857 .def = "1",
858 },
859 {
860 .name = "sync",
861 .type = FIO_OPT_BOOL,
862 .off1 = td_var_offset(sync_io),
863 .help = "Use O_SYNC for buffered writes",
864 .def = "0",
865 .parent = "buffered",
866 },
867 {
868 .name = "bwavgtime",
869 .type = FIO_OPT_INT,
870 .off1 = td_var_offset(bw_avg_time),
871 .help = "Time window over which to calculate bandwidth (msec)",
872 .def = "500",
873 },
874 {
875 .name = "create_serialize",
876 .type = FIO_OPT_BOOL,
877 .off1 = td_var_offset(create_serialize),
878 .help = "Serialize creating of job files",
879 .def = "1",
880 },
881 {
882 .name = "create_fsync",
883 .type = FIO_OPT_BOOL,
884 .off1 = td_var_offset(create_fsync),
885 .help = "Fsync file after creation",
886 .def = "1",
887 },
888 {
889 .name = "cpuload",
890 .type = FIO_OPT_INT,
891 .off1 = td_var_offset(cpuload),
892 .help = "Use this percentage of CPU",
893 },
894 {
895 .name = "cpuchunks",
896 .type = FIO_OPT_INT,
897 .off1 = td_var_offset(cpucycle),
898 .help = "Length of the CPU burn cycles (usecs)",
899 .def = "50000",
900 .parent = "cpuload",
901 },
902#ifdef FIO_HAVE_CPU_AFFINITY
903 {
904 .name = "cpumask",
905 .type = FIO_OPT_INT,
906 .cb = str_cpumask_cb,
907 .help = "CPU affinity mask",
908 },
909 {
910 .name = "cpus_allowed",
911 .type = FIO_OPT_STR,
912 .cb = str_cpus_allowed_cb,
913 .help = "Set CPUs allowed",
914 },
915#endif
916 {
917 .name = "end_fsync",
918 .type = FIO_OPT_BOOL,
919 .off1 = td_var_offset(end_fsync),
920 .help = "Include fsync at the end of job",
921 .def = "0",
922 },
923 {
924 .name = "fsync_on_close",
925 .type = FIO_OPT_BOOL,
926 .off1 = td_var_offset(fsync_on_close),
927 .help = "fsync files on close",
928 .def = "0",
929 },
930 {
931 .name = "unlink",
932 .type = FIO_OPT_BOOL,
933 .off1 = td_var_offset(unlink),
934 .help = "Unlink created files after job has completed",
935 .def = "0",
936 },
937 {
938 .name = "exitall",
939 .type = FIO_OPT_STR_SET,
940 .cb = str_exitall_cb,
941 .help = "Terminate all jobs when one exits",
942 },
943 {
944 .name = "stonewall",
945 .type = FIO_OPT_STR_SET,
946 .off1 = td_var_offset(stonewall),
947 .help = "Insert a hard barrier between this job and previous",
948 },
949 {
950 .name = "new_group",
951 .type = FIO_OPT_STR_SET,
952 .off1 = td_var_offset(new_group),
953 .help = "Mark the start of a new group (for reporting)",
954 },
955 {
956 .name = "thread",
957 .type = FIO_OPT_STR_SET,
958 .off1 = td_var_offset(use_thread),
959 .help = "Use threads instead of forks",
960 },
961 {
962 .name = "write_bw_log",
963 .type = FIO_OPT_STR_SET,
964 .off1 = td_var_offset(write_bw_log),
965 .help = "Write log of bandwidth during run",
966 },
967 {
968 .name = "write_lat_log",
969 .type = FIO_OPT_STR_SET,
970 .off1 = td_var_offset(write_lat_log),
971 .help = "Write log of latency during run",
972 },
973 {
974 .name = "hugepage-size",
975 .type = FIO_OPT_STR_VAL,
976 .off1 = td_var_offset(hugepage_size),
977 .help = "When using hugepages, specify size of each page",
978 .def = __stringify(FIO_HUGE_PAGE),
979 },
980 {
981 .name = "group_reporting",
982 .type = FIO_OPT_STR_SET,
983 .off1 = td_var_offset(group_reporting),
984 .help = "Do reporting on a per-group basis",
985 },
986 {
987 .name = "zero_buffers",
988 .type = FIO_OPT_STR_SET,
989 .off1 = td_var_offset(zero_buffers),
990 .help = "Init IO buffers to all zeroes",
991 },
992#ifdef FIO_HAVE_DISK_UTIL
993 {
994 .name = "disk_util",
995 .type = FIO_OPT_BOOL,
996 .off1 = td_var_offset(do_disk_util),
997 .help = "Log disk utilization stats",
998 .def = "1",
999 },
1000#endif
1001 {
1002 .name = NULL,
1003 },
1004};
1005
1006void fio_options_dup_and_init(struct option *long_options)
1007{
1008 struct fio_option *o;
1009 unsigned int i;
1010
1011 options_init(options);
1012
1013 i = 0;
1014 while (long_options[i].name)
1015 i++;
1016
1017 o = &options[0];
1018 while (o->name) {
1019 long_options[i].name = o->name;
1020 long_options[i].val = FIO_GETOPT_JOB;
1021 if (o->type == FIO_OPT_STR_SET)
1022 long_options[i].has_arg = no_argument;
1023 else
1024 long_options[i].has_arg = required_argument;
1025
1026 i++;
1027 o++;
1028 assert(i < FIO_NR_OPTIONS);
1029 }
1030}
1031
1032int fio_option_parse(struct thread_data *td, const char *opt)
1033{
1034 return parse_option(opt, options, td);
1035}
1036
1037int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
1038{
1039 return parse_cmd_option(opt, val, options, td);
1040}
1041
1042void fio_fill_default_options(struct thread_data *td)
1043{
1044 fill_default_options(td, options);
1045}
1046
1047int fio_show_option_help(const char *opt)
1048{
1049 return show_cmd_help(options, opt);
1050}
1051
1052static void __options_mem(struct thread_data *td, int alloc)
1053{
1054 struct thread_options *o = &td->o;
1055 struct fio_option *opt;
1056 char **ptr;
1057 int i;
1058
1059 for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
1060 if (opt->type != FIO_OPT_STR_STORE)
1061 continue;
1062
1063 ptr = (void *) o + opt->off1;
1064 if (*ptr) {
1065 if (alloc)
1066 *ptr = strdup(*ptr);
1067 else {
1068 free(*ptr);
1069 *ptr = NULL;
1070 }
1071 }
1072 }
1073}
1074
1075/*
1076 * dupe FIO_OPT_STR_STORE options
1077 */
1078void options_mem_dupe(struct thread_data *td)
1079{
1080 __options_mem(td, 1);
1081}
1082
1083void options_mem_free(struct thread_data fio_unused *td)
1084{
1085#if 0
1086 __options_mem(td, 0);
1087#endif
1088}
fio - Flexible IO Tester