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Mask in BE ioprio class as default
[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>
6#include <getopt.h>
7#include <assert.h>
8
9#include "fio.h"
10#include "parse.h"
11
2dc1bbeb 12#define td_var_offset(var) ((size_t) &((struct thread_options *)0)->var)
214e1eca
JA		 13
14/*
15 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
16 */
17static char *get_opt_postfix(const char *str)
18{
19 char *p = strstr(str, ":");
20
21 if (!p)
22 return NULL;
23
24 p++;
25 strip_blank_front(&p);
26 strip_blank_end(p);
27 return strdup(p);
28}
29
211097b2
JA		 30static int str_rw_cb(void *data, const char *str)
31{
32 struct thread_data *td = data;
33 char *nr = get_opt_postfix(str);
34
fafdba3c 35 td->o.ddir_nr = 1;
211097b2
JA		 36 if (nr)
37 td->o.ddir_nr = atoi(nr);
38
211097b2
JA		 39 return 0;
40}
41
214e1eca
JA		 42static int str_mem_cb(void *data, const char *mem)
43{
44 struct thread_data *td = data;
45
2dc1bbeb 46 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) {
214e1eca 47 td->mmapfile = get_opt_postfix(mem);
2dc1bbeb 48 if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) {
214e1eca
JA		 49 log_err("fio: mmaphuge:/path/to/file\n");
50 return 1;
51 }
52 }
53
54 return 0;
55}
56
57static int str_lockmem_cb(void fio_unused *data, unsigned long *val)
58{
59 mlock_size = *val;
60 return 0;
61}
62
63#ifdef FIO_HAVE_IOPRIO
64static int str_prioclass_cb(void *data, unsigned int *val)
65{
66 struct thread_data *td = data;
6cefbe33
JA		 67 unsigned short mask;
68
69 /*
70 * mask off old class bits, str_prio_cb() may have set a default class
71 */
72 mask = (1 << IOPRIO_CLASS_SHIFT) - 1;
73 td->ioprio &= mask;
214e1eca
JA		 74
75 td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
76 return 0;
77}
78
79static int str_prio_cb(void *data, unsigned int *val)
80{
81 struct thread_data *td = data;
82
83 td->ioprio |= *val;
6cefbe33
JA		 84
85 /*
86 * If no class is set, assume BE
87 */
88 if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0)
89 td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT;
90
214e1eca
JA		 91 return 0;
92}
93#endif
94
95static int str_exitall_cb(void)
96{
97 exitall_on_terminate = 1;
98 return 0;
99}
100
101static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu)
102{
103#ifdef FIO_HAVE_CPU_AFFINITY
104 unsigned int i;
105
106 CPU_ZERO(&cpumask);
107
108 for (i = 0; i < sizeof(int) * 8; i++) {
109 if ((1 << i) & cpu)
110 CPU_SET(i, &cpumask);
111 }
112#endif
113}
114
115static int str_cpumask_cb(void *data, unsigned int *val)
116{
117 struct thread_data *td = data;
118
2dc1bbeb 119 fill_cpu_mask(td->o.cpumask, *val);
214e1eca
JA		 120 return 0;
121}
122
123static int str_fst_cb(void *data, const char *str)
124{
125 struct thread_data *td = data;
126 char *nr = get_opt_postfix(str);
127
128 td->file_service_nr = 1;
129 if (nr)
130 td->file_service_nr = atoi(nr);
131
132 return 0;
133}
134
135static int str_filename_cb(void *data, const char *input)
136{
137 struct thread_data *td = data;
138 char *fname, *str, *p;
139
140 p = str = strdup(input);
141
142 strip_blank_front(&str);
143 strip_blank_end(str);
144
145 if (!td->files_index)
2dc1bbeb 146 td->o.nr_files = 0;
214e1eca
JA		 147
148 while ((fname = strsep(&str, ":")) != NULL) {
149 if (!strlen(fname))
150 break;
151 add_file(td, fname);
2dc1bbeb 152 td->o.nr_files++;
214e1eca
JA		 153 }
154
155 free(p);
156 return 0;
157}
158
159static int str_directory_cb(void *data, const char fio_unused *str)
160{
161 struct thread_data *td = data;
162 struct stat sb;
163
2dc1bbeb
JA		 164 if (lstat(td->o.directory, &sb) < 0) {
165 log_err("fio: %s is not a directory\n", td->o.directory);
214e1eca
JA		 166 td_verror(td, errno, "lstat");
167 return 1;
168 }
169 if (!S_ISDIR(sb.st_mode)) {
2dc1bbeb 170 log_err("fio: %s is not a directory\n", td->o.directory);
214e1eca
JA		 171 return 1;
172 }
173
174 return 0;
175}
176
177static int str_opendir_cb(void *data, const char fio_unused *str)
178{
179 struct thread_data *td = data;
180
181 if (!td->files_index)
2dc1bbeb 182 td->o.nr_files = 0;
214e1eca 183
2dc1bbeb 184 return add_dir_files(td, td->o.opendir);
214e1eca
JA		 185}
186
187
188#define __stringify_1(x) #x
189#define __stringify(x) __stringify_1(x)
190
191/*
192 * Map of job/command line options
193 */
194static struct fio_option options[] = {
195 {
196 .name = "description",
197 .type = FIO_OPT_STR_STORE,
198 .off1 = td_var_offset(description),
199 .help = "Text job description",
200 },
201 {
202 .name = "name",
203 .type = FIO_OPT_STR_STORE,
204 .off1 = td_var_offset(name),
205 .help = "Name of this job",
206 },
207 {
208 .name = "directory",
209 .type = FIO_OPT_STR_STORE,
210 .off1 = td_var_offset(directory),
211 .cb = str_directory_cb,
212 .help = "Directory to store files in",
213 },
214 {
215 .name = "filename",
216 .type = FIO_OPT_STR_STORE,
217 .off1 = td_var_offset(filename),
218 .cb = str_filename_cb,
219 .help = "File(s) to use for the workload",
220 },
221 {
222 .name = "opendir",
223 .type = FIO_OPT_STR_STORE,
224 .off1 = td_var_offset(opendir),
225 .cb = str_opendir_cb,
226 .help = "Recursively add files from this directory and down",
227 },
228 {
229 .name = "rw",
d3aad8f2 230 .alias = "readwrite",
214e1eca 231 .type = FIO_OPT_STR,
211097b2 232 .cb = str_rw_cb,
214e1eca
JA		 233 .off1 = td_var_offset(td_ddir),
234 .help = "IO direction",
235 .def = "read",
236 .posval = {
237 { .ival = "read",
238 .oval = TD_DDIR_READ,
239 .help = "Sequential read",
240 },
241 { .ival = "write",
242 .oval = TD_DDIR_WRITE,
243 .help = "Sequential write",
244 },
245 { .ival = "randread",
246 .oval = TD_DDIR_RANDREAD,
247 .help = "Random read",
248 },
249 { .ival = "randwrite",
250 .oval = TD_DDIR_RANDWRITE,
251 .help = "Random write",
252 },
253 { .ival = "rw",
254 .oval = TD_DDIR_RW,
255 .help = "Sequential read and write mix",
256 },
257 { .ival = "randrw",
258 .oval = TD_DDIR_RANDRW,
259 .help = "Random read and write mix"
260 },
261 },
262 },
d2f3ac35
JA		 263 {
264 .name = "fadvise_hint",
265 .type = FIO_OPT_BOOL,
266 .off1 = td_var_offset(fadvise_hint),
267 .help = "Use fadvise() to advise the kernel on IO pattern",
268 .def = "1",
269 },
214e1eca
JA		 270 {
271 .name = "ioengine",
272 .type = FIO_OPT_STR_STORE,
273 .off1 = td_var_offset(ioengine),
274 .help = "IO engine to use",
275 .def = "sync",
276 .posval = {
277 { .ival = "sync",
278 .help = "Use read/write",
279 },
280#ifdef FIO_HAVE_LIBAIO
281 { .ival = "libaio",
282 .help = "Linux native asynchronous IO",
283 },
284#endif
285#ifdef FIO_HAVE_POSIXAIO
286 { .ival = "posixaio",
287 .help = "POSIX asynchronous IO",
288 },
289#endif
290 { .ival = "mmap",
291 .help = "Memory mapped IO",
292 },
293#ifdef FIO_HAVE_SPLICE
294 { .ival = "splice",
295 .help = "splice/vmsplice based IO",
296 },
297#endif
298#ifdef FIO_HAVE_SGIO
299 { .ival = "sg",
300 .help = "SCSI generic v3 IO",
301 },
302#endif
303 { .ival = "null",
304 .help = "Testing engine (no data transfer)",
305 },
306 { .ival = "net",
307 .help = "Network IO",
308 },
309#ifdef FIO_HAVE_SYSLET
310 { .ival = "syslet-rw",
311 .help = "syslet enabled async pread/pwrite IO",
312 },
313#endif
314 { .ival = "cpuio",
315 .help = "CPU cycler burner engine",
316 },
b8c82a46
JA		 317#ifdef FIO_HAVE_GUASI
318 { .ival = "guasi",
319 .help = "GUASI IO engine",
320 },
321#endif
214e1eca
JA		 322 { .ival = "external",
323 .help = "Load external engine (append name)",
324 },
325 },
326 },
327 {
328 .name = "iodepth",
329 .type = FIO_OPT_INT,
330 .off1 = td_var_offset(iodepth),
331 .help = "Amount of IO buffers to keep in flight",
332 .def = "1",
333 },
334 {
335 .name = "iodepth_batch",
336 .type = FIO_OPT_INT,
337 .off1 = td_var_offset(iodepth_batch),
338 .help = "Number of IO to submit in one go",
339 },
340 {
341 .name = "iodepth_low",
342 .type = FIO_OPT_INT,
343 .off1 = td_var_offset(iodepth_low),
344 .help = "Low water mark for queuing depth",
345 },
346 {
347 .name = "size",
348 .type = FIO_OPT_STR_VAL,
2dc1bbeb 349 .off1 = td_var_offset(size),
214e1eca
JA		 350 .help = "Total size of device or files",
351 },
352 {
353 .name = "filesize",
354 .type = FIO_OPT_STR_VAL,
355 .off1 = td_var_offset(file_size_low),
356 .off2 = td_var_offset(file_size_high),
357 .help = "Size of individual files",
358 },
359 {
360 .name = "bs",
d3aad8f2 361 .alias = "blocksize",
214e1eca
JA		 362 .type = FIO_OPT_STR_VAL_INT,
363 .off1 = td_var_offset(bs[DDIR_READ]),
364 .off2 = td_var_offset(bs[DDIR_WRITE]),
365 .help = "Block size unit",
366 .def = "4k",
367 },
368 {
369 .name = "bsrange",
d3aad8f2 370 .alias = "blocksize_range",
214e1eca
JA		 371 .type = FIO_OPT_RANGE,
372 .off1 = td_var_offset(min_bs[DDIR_READ]),
373 .off2 = td_var_offset(max_bs[DDIR_READ]),
374 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
375 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
376 .help = "Set block size range (in more detail than bs)",
377 },
378 {
379 .name = "bs_unaligned",
d3aad8f2 380 .alias = "blocksize_unaligned",
214e1eca
JA		 381 .type = FIO_OPT_STR_SET,
382 .off1 = td_var_offset(bs_unaligned),
383 .help = "Don't sector align IO buffer sizes",
384 },
385 {
386 .name = "offset",
387 .type = FIO_OPT_STR_VAL,
388 .off1 = td_var_offset(start_offset),
389 .help = "Start IO from this offset",
390 .def = "0",
391 },
392 {
393 .name = "randrepeat",
394 .type = FIO_OPT_BOOL,
395 .off1 = td_var_offset(rand_repeatable),
396 .help = "Use repeatable random IO pattern",
397 .def = "1",
398 },
399 {
400 .name = "norandommap",
401 .type = FIO_OPT_STR_SET,
402 .off1 = td_var_offset(norandommap),
403 .help = "Accept potential duplicate random blocks",
404 },
405 {
406 .name = "nrfiles",
407 .type = FIO_OPT_INT,
408 .off1 = td_var_offset(nr_files),
409 .help = "Split job workload between this number of files",
410 .def = "1",
411 },
412 {
413 .name = "openfiles",
414 .type = FIO_OPT_INT,
415 .off1 = td_var_offset(open_files),
416 .help = "Number of files to keep open at the same time",
417 },
418 {
419 .name = "file_service_type",
420 .type = FIO_OPT_STR,
421 .cb = str_fst_cb,
422 .off1 = td_var_offset(file_service_type),
423 .help = "How to select which file to service next",
424 .def = "roundrobin",
425 .posval = {
426 { .ival = "random",
427 .oval = FIO_FSERVICE_RANDOM,
428 .help = "Choose a file at random",
429 },
430 { .ival = "roundrobin",
431 .oval = FIO_FSERVICE_RR,
432 .help = "Round robin select files",
433 },
434 },
435 },
436 {
437 .name = "fsync",
438 .type = FIO_OPT_INT,
439 .off1 = td_var_offset(fsync_blocks),
440 .help = "Issue fsync for writes every given number of blocks",
441 .def = "0",
442 },
443 {
444 .name = "direct",
445 .type = FIO_OPT_BOOL,
446 .off1 = td_var_offset(odirect),
447 .help = "Use O_DIRECT IO (negates buffered)",
448 .def = "0",
449 },
450 {
451 .name = "buffered",
452 .type = FIO_OPT_BOOL,
453 .off1 = td_var_offset(odirect),
454 .neg = 1,
455 .help = "Use buffered IO (negates direct)",
456 .def = "1",
457 },
458 {
459 .name = "overwrite",
460 .type = FIO_OPT_BOOL,
461 .off1 = td_var_offset(overwrite),
462 .help = "When writing, set whether to overwrite current data",
463 .def = "0",
464 },
465 {
466 .name = "loops",
467 .type = FIO_OPT_INT,
468 .off1 = td_var_offset(loops),
469 .help = "Number of times to run the job",
470 .def = "1",
471 },
472 {
473 .name = "numjobs",
474 .type = FIO_OPT_INT,
475 .off1 = td_var_offset(numjobs),
476 .help = "Duplicate this job this many times",
477 .def = "1",
478 },
479 {
480 .name = "startdelay",
481 .type = FIO_OPT_INT,
482 .off1 = td_var_offset(start_delay),
483 .help = "Only start job when this period has passed",
484 .def = "0",
485 },
486 {
487 .name = "runtime",
488 .alias = "timeout",
489 .type = FIO_OPT_STR_VAL_TIME,
490 .off1 = td_var_offset(timeout),
491 .help = "Stop workload when this amount of time has passed",
492 .def = "0",
493 },
cf4464ca
JA		 494 {
495 .name = "time_based",
496 .type = FIO_OPT_STR_SET,
497 .off1 = td_var_offset(time_based),
498 .help = "Keep running until runtime/timeout is met",
499 },
214e1eca
JA		 500 {
501 .name = "mem",
d3aad8f2 502 .alias = "iomem",
214e1eca
JA		 503 .type = FIO_OPT_STR,
504 .cb = str_mem_cb,
505 .off1 = td_var_offset(mem_type),
506 .help = "Backing type for IO buffers",
507 .def = "malloc",
508 .posval = {
509 { .ival = "malloc",
510 .oval = MEM_MALLOC,
511 .help = "Use malloc(3) for IO buffers",
512 },
37c8cdfe
JA		 513 { .ival = "shm",
514 .oval = MEM_SHM,
515 .help = "Use shared memory segments for IO buffers",
516 },
214e1eca
JA		 517#ifdef FIO_HAVE_HUGETLB
518 { .ival = "shmhuge",
519 .oval = MEM_SHMHUGE,
520 .help = "Like shm, but use huge pages",
521 },
b370e46a 522#endif
37c8cdfe
JA		 523 { .ival = "mmap",
524 .oval = MEM_MMAP,
525 .help = "Use mmap(2) (file or anon) for IO buffers",
526 },
214e1eca
JA		 527#ifdef FIO_HAVE_HUGETLB
528 { .ival = "mmaphuge",
529 .oval = MEM_MMAPHUGE,
530 .help = "Like mmap, but use huge pages",
531 },
532#endif
533 },
534 },
535 {
536 .name = "verify",
537 .type = FIO_OPT_STR,
538 .off1 = td_var_offset(verify),
539 .help = "Verify data written",
540 .def = "0",
541 .posval = {
542 { .ival = "0",
543 .oval = VERIFY_NONE,
544 .help = "Don't do IO verification",
545 },
546 { .ival = "crc32",
547 .oval = VERIFY_CRC32,
548 .help = "Use crc32 checksums for verification",
549 },
550 { .ival = "md5",
551 .oval = VERIFY_MD5,
552 .help = "Use md5 checksums for verification",
553 },
36690c9b
JA		 554 {
555 .ival = "null",
556 .oval = VERIFY_NULL,
557 .help = "Pretend to verify",
558 },
214e1eca
JA		 559 },
560 },
160b966d
JA		 561 {
562 .name = "verifysort",
563 .type = FIO_OPT_BOOL,
564 .off1 = td_var_offset(verifysort),
565 .help = "Sort written verify blocks for read back",
566 .def = "1",
567 },
214e1eca
JA		 568 {
569 .name = "write_iolog",
570 .type = FIO_OPT_STR_STORE,
571 .off1 = td_var_offset(write_iolog_file),
572 .help = "Store IO pattern to file",
573 },
574 {
575 .name = "read_iolog",
576 .type = FIO_OPT_STR_STORE,
577 .off1 = td_var_offset(read_iolog_file),
578 .help = "Playback IO pattern from file",
579 },
580 {
581 .name = "exec_prerun",
582 .type = FIO_OPT_STR_STORE,
583 .off1 = td_var_offset(exec_prerun),
584 .help = "Execute this file prior to running job",
585 },
586 {
587 .name = "exec_postrun",
588 .type = FIO_OPT_STR_STORE,
589 .off1 = td_var_offset(exec_postrun),
590 .help = "Execute this file after running job",
591 },
592#ifdef FIO_HAVE_IOSCHED_SWITCH
593 {
594 .name = "ioscheduler",
595 .type = FIO_OPT_STR_STORE,
596 .off1 = td_var_offset(ioscheduler),
597 .help = "Use this IO scheduler on the backing device",
598 },
599#endif
600 {
601 .name = "zonesize",
602 .type = FIO_OPT_STR_VAL,
603 .off1 = td_var_offset(zone_size),
604 .help = "Give size of an IO zone",
605 .def = "0",
606 },
607 {
608 .name = "zoneskip",
609 .type = FIO_OPT_STR_VAL,
610 .off1 = td_var_offset(zone_skip),
611 .help = "Space between IO zones",
612 .def = "0",
613 },
614 {
615 .name = "lockmem",
616 .type = FIO_OPT_STR_VAL,
617 .cb = str_lockmem_cb,
618 .help = "Lock down this amount of memory",
619 .def = "0",
620 },
621 {
622 .name = "rwmixcycle",
623 .type = FIO_OPT_INT,
624 .off1 = td_var_offset(rwmixcycle),
625 .help = "Cycle period for mixed read/write workloads (msec)",
626 .def = "500",
627 },
628 {
629 .name = "rwmixread",
630 .type = FIO_OPT_INT,
e47f799f 631 .off1 = td_var_offset(rwmix[DDIR_READ]),
214e1eca
JA		 632 .maxval = 100,
633 .help = "Percentage of mixed workload that is reads",
634 .def = "50",
635 },
636 {
637 .name = "rwmixwrite",
638 .type = FIO_OPT_INT,
e47f799f 639 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
214e1eca
JA		 640 .maxval = 100,
641 .help = "Percentage of mixed workload that is writes",
642 .def = "50",
643 },
644 {
645 .name = "nice",
646 .type = FIO_OPT_INT,
647 .off1 = td_var_offset(nice),
648 .help = "Set job CPU nice value",
649 .minval = -19,
650 .maxval = 20,
651 .def = "0",
652 },
653#ifdef FIO_HAVE_IOPRIO
654 {
655 .name = "prio",
656 .type = FIO_OPT_INT,
657 .cb = str_prio_cb,
658 .help = "Set job IO priority value",
659 .minval = 0,
660 .maxval = 7,
661 },
662 {
663 .name = "prioclass",
664 .type = FIO_OPT_INT,
665 .cb = str_prioclass_cb,
666 .help = "Set job IO priority class",
667 .minval = 0,
668 .maxval = 3,
669 },
670#endif
671 {
672 .name = "thinktime",
673 .type = FIO_OPT_INT,
674 .off1 = td_var_offset(thinktime),
675 .help = "Idle time between IO buffers (usec)",
676 .def = "0",
677 },
678 {
679 .name = "thinktime_spin",
680 .type = FIO_OPT_INT,
681 .off1 = td_var_offset(thinktime_spin),
682 .help = "Start think time by spinning this amount (usec)",
683 .def = "0",
684 },
685 {
686 .name = "thinktime_blocks",
687 .type = FIO_OPT_INT,
688 .off1 = td_var_offset(thinktime_blocks),
689 .help = "IO buffer period between 'thinktime'",
690 .def = "1",
691 },
692 {
693 .name = "rate",
694 .type = FIO_OPT_INT,
695 .off1 = td_var_offset(rate),
696 .help = "Set bandwidth rate",
697 },
698 {
699 .name = "ratemin",
700 .type = FIO_OPT_INT,
701 .off1 = td_var_offset(ratemin),
4e991c23
JA		 702 .help = "Job must meet this rate or it will be shutdown",
703 },
704 {
705 .name = "rate_iops",
706 .type = FIO_OPT_INT,
707 .off1 = td_var_offset(rate_iops),
708 .help = "Limit IO used to this number of IO operations/sec",
709 },
710 {
711 .name = "rate_iops_min",
712 .type = FIO_OPT_INT,
713 .off1 = td_var_offset(rate_iops_min),
714 .help = "Job must meet this rate or it will be shutdown",
214e1eca
JA		 715 },
716 {
717 .name = "ratecycle",
718 .type = FIO_OPT_INT,
719 .off1 = td_var_offset(ratecycle),
720 .help = "Window average for rate limits (msec)",
721 .def = "1000",
722 },
723 {
724 .name = "invalidate",
725 .type = FIO_OPT_BOOL,
726 .off1 = td_var_offset(invalidate_cache),
727 .help = "Invalidate buffer/page cache prior to running job",
728 .def = "1",
729 },
730 {
731 .name = "sync",
732 .type = FIO_OPT_BOOL,
733 .off1 = td_var_offset(sync_io),
734 .help = "Use O_SYNC for buffered writes",
735 .def = "0",
736 },
737 {
738 .name = "bwavgtime",
739 .type = FIO_OPT_INT,
740 .off1 = td_var_offset(bw_avg_time),
741 .help = "Time window over which to calculate bandwidth (msec)",
742 .def = "500",
743 },
744 {
745 .name = "create_serialize",
746 .type = FIO_OPT_BOOL,
747 .off1 = td_var_offset(create_serialize),
748 .help = "Serialize creating of job files",
749 .def = "1",
750 },
751 {
752 .name = "create_fsync",
753 .type = FIO_OPT_BOOL,
754 .off1 = td_var_offset(create_fsync),
755 .help = "Fsync file after creation",
756 .def = "1",
757 },
758 {
759 .name = "cpuload",
760 .type = FIO_OPT_INT,
761 .off1 = td_var_offset(cpuload),
762 .help = "Use this percentage of CPU",
763 },
764 {
765 .name = "cpuchunks",
766 .type = FIO_OPT_INT,
767 .off1 = td_var_offset(cpucycle),
768 .help = "Length of the CPU burn cycles (usecs)",
769 .def = "50000",
770 },
771#ifdef FIO_HAVE_CPU_AFFINITY
772 {
773 .name = "cpumask",
774 .type = FIO_OPT_INT,
775 .cb = str_cpumask_cb,
776 .help = "CPU affinity mask",
777 },
778#endif
779 {
780 .name = "end_fsync",
781 .type = FIO_OPT_BOOL,
782 .off1 = td_var_offset(end_fsync),
783 .help = "Include fsync at the end of job",
784 .def = "0",
785 },
786 {
787 .name = "fsync_on_close",
788 .type = FIO_OPT_BOOL,
789 .off1 = td_var_offset(fsync_on_close),
790 .help = "fsync files on close",
791 .def = "0",
792 },
793 {
794 .name = "unlink",
795 .type = FIO_OPT_BOOL,
796 .off1 = td_var_offset(unlink),
797 .help = "Unlink created files after job has completed",
798 .def = "0",
799 },
800 {
801 .name = "exitall",
802 .type = FIO_OPT_STR_SET,
803 .cb = str_exitall_cb,
804 .help = "Terminate all jobs when one exits",
805 },
806 {
807 .name = "stonewall",
808 .type = FIO_OPT_STR_SET,
809 .off1 = td_var_offset(stonewall),
810 .help = "Insert a hard barrier between this job and previous",
811 },
b3d62a75
JA		 812 {
813 .name = "new_group",
814 .type = FIO_OPT_STR_SET,
815 .off1 = td_var_offset(new_group),
816 .help = "Mark the start of a new group (for reporting)",
817 },
214e1eca
JA		 818 {
819 .name = "thread",
820 .type = FIO_OPT_STR_SET,
821 .off1 = td_var_offset(use_thread),
822 .help = "Use threads instead of forks",
823 },
824 {
825 .name = "write_bw_log",
826 .type = FIO_OPT_STR_SET,
827 .off1 = td_var_offset(write_bw_log),
828 .help = "Write log of bandwidth during run",
829 },
830 {
831 .name = "write_lat_log",
832 .type = FIO_OPT_STR_SET,
833 .off1 = td_var_offset(write_lat_log),
834 .help = "Write log of latency during run",
835 },
836 {
837 .name = "hugepage-size",
838 .type = FIO_OPT_STR_VAL,
839 .off1 = td_var_offset(hugepage_size),
840 .help = "When using hugepages, specify size of each page",
841 .def = __stringify(FIO_HUGE_PAGE),
842 },
843 {
844 .name = "group_reporting",
845 .type = FIO_OPT_STR_SET,
846 .off1 = td_var_offset(group_reporting),
847 .help = "Do reporting on a per-group basis",
848 },
e9459e5a
JA		 849 {
850 .name = "zero_buffers",
851 .type = FIO_OPT_STR_SET,
852 .off1 = td_var_offset(zero_buffers),
853 .help = "Init IO buffers to all zeroes",
854 },
214e1eca
JA		 855 {
856 .name = NULL,
857 },
858};
859
860void fio_options_dup_and_init(struct option *long_options)
861{
862 struct fio_option *o;
863 unsigned int i;
864
865 options_init(options);
866
867 i = 0;
868 while (long_options[i].name)
869 i++;
870
871 o = &options[0];
872 while (o->name) {
873 long_options[i].name = o->name;
874 long_options[i].val = FIO_GETOPT_JOB;
875 if (o->type == FIO_OPT_STR_SET)
876 long_options[i].has_arg = no_argument;
877 else
878 long_options[i].has_arg = required_argument;
879
880 i++;
881 o++;
882 assert(i < FIO_NR_OPTIONS);
883 }
884}
885
886int fio_option_parse(struct thread_data *td, const char *opt)
887{
888 return parse_option(opt, options, td);
889}
890
891int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
892{
893 return parse_cmd_option(opt, val, options, td);
894}
895
896void fio_fill_default_options(struct thread_data *td)
897{
898 fill_default_options(td, options);
899}
900
901int fio_show_option_help(const char *opt)
902{
903 return show_cmd_help(options, opt);
904}
d23bb327
JA		 905
906static void __options_mem(struct thread_data *td, int alloc)
907{
908 struct thread_options *o = &td->o;
909 struct fio_option *opt;
910 char **ptr;
911 int i;
912
913 for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
914 if (opt->type != FIO_OPT_STR_STORE)
915 continue;
916
917 ptr = (void *) o + opt->off1;
918 if (*ptr) {
919 if (alloc)
920 *ptr = strdup(*ptr);
921 else {
922 free(*ptr);
923 *ptr = NULL;
924 }
925 }
926 }
927}
928
929/*
930 * dupe FIO_OPT_STR_STORE options
931 */
932void options_mem_dupe(struct thread_data *td)
933{
934 __options_mem(td, 1);
935}
936
22d66213 937void options_mem_free(struct thread_data fio_unused *td)
d23bb327 938{
22d66213 939#if 0
d23bb327 940 __options_mem(td, 0);
22d66213 941#endif
d23bb327 942}
fio - Flexible IO Tester