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