guasi engine: remove STFU_GCC()
[fio.git] / options.c
CommitLineData
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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)
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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
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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;
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36 if (nr)
37 td->o.ddir_nr = atoi(nr);
38
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39 return 0;
40}
41
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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) {
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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;
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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;
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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;
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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
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91 return 0;
92}
93#endif
94
95static int str_exitall_cb(void)
96{
97 exitall_on_terminate = 1;
98 return 0;
99}
100
214e1eca 101#ifdef FIO_HAVE_CPU_AFFINITY
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102static int str_cpumask_cb(void *data, unsigned int *val)
103{
104 struct thread_data *td = data;
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105 unsigned int i;
106
d2e268b0 107 CPU_ZERO(&td->o.cpumask);
214e1eca 108
e600f7f1 109 for (i = 0; i < sizeof(int) * 8; i++)
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110 if ((1 << i) & *val)
111 CPU_SET(*val, &td->o.cpumask);
112
113 td->o.cpumask_set = 1;
114 return 0;
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115}
116
d2e268b0 117static int str_cpus_allowed_cb(void *data, const char *input)
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118{
119 struct thread_data *td = data;
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120 char *cpu, *str, *p;
121
122 CPU_ZERO(&td->o.cpumask);
123
124 p = str = strdup(input);
214e1eca 125
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126 strip_blank_front(&str);
127 strip_blank_end(str);
128
129 while ((cpu = strsep(&str, ",")) != NULL) {
130 if (!strlen(cpu))
131 break;
132 CPU_SET(atoi(cpu), &td->o.cpumask);
133 }
134
135 free(p);
375b2695 136 td->o.cpumask_set = 1;
d2e268b0 137 exit(0);
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138 return 0;
139}
d2e268b0 140#endif
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141
142static int str_fst_cb(void *data, const char *str)
143{
144 struct thread_data *td = data;
145 char *nr = get_opt_postfix(str);
146
147 td->file_service_nr = 1;
148 if (nr)
149 td->file_service_nr = atoi(nr);
150
151 return 0;
152}
153
154static int str_filename_cb(void *data, const char *input)
155{
156 struct thread_data *td = data;
157 char *fname, *str, *p;
158
159 p = str = strdup(input);
160
161 strip_blank_front(&str);
162 strip_blank_end(str);
163
164 if (!td->files_index)
2dc1bbeb 165 td->o.nr_files = 0;
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166
167 while ((fname = strsep(&str, ":")) != NULL) {
168 if (!strlen(fname))
169 break;
170 add_file(td, fname);
2dc1bbeb 171 td->o.nr_files++;
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172 }
173
174 free(p);
175 return 0;
176}
177
178static int str_directory_cb(void *data, const char fio_unused *str)
179{
180 struct thread_data *td = data;
181 struct stat sb;
182
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183 if (lstat(td->o.directory, &sb) < 0) {
184 log_err("fio: %s is not a directory\n", td->o.directory);
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185 td_verror(td, errno, "lstat");
186 return 1;
187 }
188 if (!S_ISDIR(sb.st_mode)) {
2dc1bbeb 189 log_err("fio: %s is not a directory\n", td->o.directory);
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190 return 1;
191 }
192
193 return 0;
194}
195
196static int str_opendir_cb(void *data, const char fio_unused *str)
197{
198 struct thread_data *td = data;
199
200 if (!td->files_index)
2dc1bbeb 201 td->o.nr_files = 0;
214e1eca 202
2dc1bbeb 203 return add_dir_files(td, td->o.opendir);
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204}
205
206
207#define __stringify_1(x) #x
208#define __stringify(x) __stringify_1(x)
209
210/*
211 * Map of job/command line options
212 */
213static struct fio_option options[] = {
214 {
215 .name = "description",
216 .type = FIO_OPT_STR_STORE,
217 .off1 = td_var_offset(description),
218 .help = "Text job description",
219 },
220 {
221 .name = "name",
222 .type = FIO_OPT_STR_STORE,
223 .off1 = td_var_offset(name),
224 .help = "Name of this job",
225 },
226 {
227 .name = "directory",
228 .type = FIO_OPT_STR_STORE,
229 .off1 = td_var_offset(directory),
230 .cb = str_directory_cb,
231 .help = "Directory to store files in",
232 },
233 {
234 .name = "filename",
235 .type = FIO_OPT_STR_STORE,
236 .off1 = td_var_offset(filename),
237 .cb = str_filename_cb,
238 .help = "File(s) to use for the workload",
239 },
240 {
241 .name = "opendir",
242 .type = FIO_OPT_STR_STORE,
243 .off1 = td_var_offset(opendir),
244 .cb = str_opendir_cb,
245 .help = "Recursively add files from this directory and down",
246 },
247 {
248 .name = "rw",
d3aad8f2 249 .alias = "readwrite",
214e1eca 250 .type = FIO_OPT_STR,
211097b2 251 .cb = str_rw_cb,
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252 .off1 = td_var_offset(td_ddir),
253 .help = "IO direction",
254 .def = "read",
255 .posval = {
256 { .ival = "read",
257 .oval = TD_DDIR_READ,
258 .help = "Sequential read",
259 },
260 { .ival = "write",
261 .oval = TD_DDIR_WRITE,
262 .help = "Sequential write",
263 },
264 { .ival = "randread",
265 .oval = TD_DDIR_RANDREAD,
266 .help = "Random read",
267 },
268 { .ival = "randwrite",
269 .oval = TD_DDIR_RANDWRITE,
270 .help = "Random write",
271 },
272 { .ival = "rw",
273 .oval = TD_DDIR_RW,
274 .help = "Sequential read and write mix",
275 },
276 { .ival = "randrw",
277 .oval = TD_DDIR_RANDRW,
278 .help = "Random read and write mix"
279 },
280 },
281 },
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282 {
283 .name = "fadvise_hint",
284 .type = FIO_OPT_BOOL,
285 .off1 = td_var_offset(fadvise_hint),
286 .help = "Use fadvise() to advise the kernel on IO pattern",
287 .def = "1",
288 },
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289 {
290 .name = "ioengine",
291 .type = FIO_OPT_STR_STORE,
292 .off1 = td_var_offset(ioengine),
293 .help = "IO engine to use",
294 .def = "sync",
295 .posval = {
296 { .ival = "sync",
297 .help = "Use read/write",
298 },
299#ifdef FIO_HAVE_LIBAIO
300 { .ival = "libaio",
301 .help = "Linux native asynchronous IO",
302 },
303#endif
304#ifdef FIO_HAVE_POSIXAIO
305 { .ival = "posixaio",
306 .help = "POSIX asynchronous IO",
307 },
308#endif
309 { .ival = "mmap",
310 .help = "Memory mapped IO",
311 },
312#ifdef FIO_HAVE_SPLICE
313 { .ival = "splice",
314 .help = "splice/vmsplice based IO",
315 },
316#endif
317#ifdef FIO_HAVE_SGIO
318 { .ival = "sg",
319 .help = "SCSI generic v3 IO",
320 },
321#endif
322 { .ival = "null",
323 .help = "Testing engine (no data transfer)",
324 },
325 { .ival = "net",
326 .help = "Network IO",
327 },
328#ifdef FIO_HAVE_SYSLET
329 { .ival = "syslet-rw",
330 .help = "syslet enabled async pread/pwrite IO",
331 },
332#endif
333 { .ival = "cpuio",
334 .help = "CPU cycler burner engine",
335 },
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336#ifdef FIO_HAVE_GUASI
337 { .ival = "guasi",
338 .help = "GUASI IO engine",
339 },
340#endif
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341 { .ival = "external",
342 .help = "Load external engine (append name)",
343 },
344 },
345 },
346 {
347 .name = "iodepth",
348 .type = FIO_OPT_INT,
349 .off1 = td_var_offset(iodepth),
350 .help = "Amount of IO buffers to keep in flight",
351 .def = "1",
352 },
353 {
354 .name = "iodepth_batch",
355 .type = FIO_OPT_INT,
356 .off1 = td_var_offset(iodepth_batch),
357 .help = "Number of IO to submit in one go",
358 },
359 {
360 .name = "iodepth_low",
361 .type = FIO_OPT_INT,
362 .off1 = td_var_offset(iodepth_low),
363 .help = "Low water mark for queuing depth",
364 },
365 {
366 .name = "size",
367 .type = FIO_OPT_STR_VAL,
2dc1bbeb 368 .off1 = td_var_offset(size),
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369 .help = "Total size of device or files",
370 },
371 {
372 .name = "filesize",
373 .type = FIO_OPT_STR_VAL,
374 .off1 = td_var_offset(file_size_low),
375 .off2 = td_var_offset(file_size_high),
376 .help = "Size of individual files",
377 },
378 {
379 .name = "bs",
d3aad8f2 380 .alias = "blocksize",
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381 .type = FIO_OPT_STR_VAL_INT,
382 .off1 = td_var_offset(bs[DDIR_READ]),
383 .off2 = td_var_offset(bs[DDIR_WRITE]),
384 .help = "Block size unit",
385 .def = "4k",
386 },
387 {
388 .name = "bsrange",
d3aad8f2 389 .alias = "blocksize_range",
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390 .type = FIO_OPT_RANGE,
391 .off1 = td_var_offset(min_bs[DDIR_READ]),
392 .off2 = td_var_offset(max_bs[DDIR_READ]),
393 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
394 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
395 .help = "Set block size range (in more detail than bs)",
396 },
397 {
398 .name = "bs_unaligned",
d3aad8f2 399 .alias = "blocksize_unaligned",
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400 .type = FIO_OPT_STR_SET,
401 .off1 = td_var_offset(bs_unaligned),
402 .help = "Don't sector align IO buffer sizes",
403 },
404 {
405 .name = "offset",
406 .type = FIO_OPT_STR_VAL,
407 .off1 = td_var_offset(start_offset),
408 .help = "Start IO from this offset",
409 .def = "0",
410 },
411 {
412 .name = "randrepeat",
413 .type = FIO_OPT_BOOL,
414 .off1 = td_var_offset(rand_repeatable),
415 .help = "Use repeatable random IO pattern",
416 .def = "1",
417 },
418 {
419 .name = "norandommap",
420 .type = FIO_OPT_STR_SET,
421 .off1 = td_var_offset(norandommap),
422 .help = "Accept potential duplicate random blocks",
423 },
424 {
425 .name = "nrfiles",
426 .type = FIO_OPT_INT,
427 .off1 = td_var_offset(nr_files),
428 .help = "Split job workload between this number of files",
429 .def = "1",
430 },
431 {
432 .name = "openfiles",
433 .type = FIO_OPT_INT,
434 .off1 = td_var_offset(open_files),
435 .help = "Number of files to keep open at the same time",
436 },
437 {
438 .name = "file_service_type",
439 .type = FIO_OPT_STR,
440 .cb = str_fst_cb,
441 .off1 = td_var_offset(file_service_type),
442 .help = "How to select which file to service next",
443 .def = "roundrobin",
444 .posval = {
445 { .ival = "random",
446 .oval = FIO_FSERVICE_RANDOM,
447 .help = "Choose a file at random",
448 },
449 { .ival = "roundrobin",
450 .oval = FIO_FSERVICE_RR,
451 .help = "Round robin select files",
452 },
453 },
454 },
455 {
456 .name = "fsync",
457 .type = FIO_OPT_INT,
458 .off1 = td_var_offset(fsync_blocks),
459 .help = "Issue fsync for writes every given number of blocks",
460 .def = "0",
461 },
462 {
463 .name = "direct",
464 .type = FIO_OPT_BOOL,
465 .off1 = td_var_offset(odirect),
466 .help = "Use O_DIRECT IO (negates buffered)",
467 .def = "0",
468 },
469 {
470 .name = "buffered",
471 .type = FIO_OPT_BOOL,
472 .off1 = td_var_offset(odirect),
473 .neg = 1,
474 .help = "Use buffered IO (negates direct)",
475 .def = "1",
476 },
477 {
478 .name = "overwrite",
479 .type = FIO_OPT_BOOL,
480 .off1 = td_var_offset(overwrite),
481 .help = "When writing, set whether to overwrite current data",
482 .def = "0",
483 },
484 {
485 .name = "loops",
486 .type = FIO_OPT_INT,
487 .off1 = td_var_offset(loops),
488 .help = "Number of times to run the job",
489 .def = "1",
490 },
491 {
492 .name = "numjobs",
493 .type = FIO_OPT_INT,
494 .off1 = td_var_offset(numjobs),
495 .help = "Duplicate this job this many times",
496 .def = "1",
497 },
498 {
499 .name = "startdelay",
500 .type = FIO_OPT_INT,
501 .off1 = td_var_offset(start_delay),
502 .help = "Only start job when this period has passed",
503 .def = "0",
504 },
505 {
506 .name = "runtime",
507 .alias = "timeout",
508 .type = FIO_OPT_STR_VAL_TIME,
509 .off1 = td_var_offset(timeout),
510 .help = "Stop workload when this amount of time has passed",
511 .def = "0",
512 },
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513 {
514 .name = "time_based",
515 .type = FIO_OPT_STR_SET,
516 .off1 = td_var_offset(time_based),
517 .help = "Keep running until runtime/timeout is met",
518 },
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519 {
520 .name = "mem",
d3aad8f2 521 .alias = "iomem",
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522 .type = FIO_OPT_STR,
523 .cb = str_mem_cb,
524 .off1 = td_var_offset(mem_type),
525 .help = "Backing type for IO buffers",
526 .def = "malloc",
527 .posval = {
528 { .ival = "malloc",
529 .oval = MEM_MALLOC,
530 .help = "Use malloc(3) for IO buffers",
531 },
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532 { .ival = "shm",
533 .oval = MEM_SHM,
534 .help = "Use shared memory segments for IO buffers",
535 },
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536#ifdef FIO_HAVE_HUGETLB
537 { .ival = "shmhuge",
538 .oval = MEM_SHMHUGE,
539 .help = "Like shm, but use huge pages",
540 },
b370e46a 541#endif
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542 { .ival = "mmap",
543 .oval = MEM_MMAP,
544 .help = "Use mmap(2) (file or anon) for IO buffers",
545 },
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546#ifdef FIO_HAVE_HUGETLB
547 { .ival = "mmaphuge",
548 .oval = MEM_MMAPHUGE,
549 .help = "Like mmap, but use huge pages",
550 },
551#endif
552 },
553 },
554 {
555 .name = "verify",
556 .type = FIO_OPT_STR,
557 .off1 = td_var_offset(verify),
558 .help = "Verify data written",
559 .def = "0",
560 .posval = {
561 { .ival = "0",
562 .oval = VERIFY_NONE,
563 .help = "Don't do IO verification",
564 },
565 { .ival = "crc32",
566 .oval = VERIFY_CRC32,
567 .help = "Use crc32 checksums for verification",
568 },
569 { .ival = "md5",
570 .oval = VERIFY_MD5,
571 .help = "Use md5 checksums for verification",
572 },
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573 {
574 .ival = "null",
575 .oval = VERIFY_NULL,
576 .help = "Pretend to verify",
577 },
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578 },
579 },
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580 {
581 .name = "verifysort",
582 .type = FIO_OPT_BOOL,
583 .off1 = td_var_offset(verifysort),
584 .help = "Sort written verify blocks for read back",
585 .def = "1",
586 },
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587 {
588 .name = "write_iolog",
589 .type = FIO_OPT_STR_STORE,
590 .off1 = td_var_offset(write_iolog_file),
591 .help = "Store IO pattern to file",
592 },
593 {
594 .name = "read_iolog",
595 .type = FIO_OPT_STR_STORE,
596 .off1 = td_var_offset(read_iolog_file),
597 .help = "Playback IO pattern from file",
598 },
599 {
600 .name = "exec_prerun",
601 .type = FIO_OPT_STR_STORE,
602 .off1 = td_var_offset(exec_prerun),
603 .help = "Execute this file prior to running job",
604 },
605 {
606 .name = "exec_postrun",
607 .type = FIO_OPT_STR_STORE,
608 .off1 = td_var_offset(exec_postrun),
609 .help = "Execute this file after running job",
610 },
611#ifdef FIO_HAVE_IOSCHED_SWITCH
612 {
613 .name = "ioscheduler",
614 .type = FIO_OPT_STR_STORE,
615 .off1 = td_var_offset(ioscheduler),
616 .help = "Use this IO scheduler on the backing device",
617 },
618#endif
619 {
620 .name = "zonesize",
621 .type = FIO_OPT_STR_VAL,
622 .off1 = td_var_offset(zone_size),
623 .help = "Give size of an IO zone",
624 .def = "0",
625 },
626 {
627 .name = "zoneskip",
628 .type = FIO_OPT_STR_VAL,
629 .off1 = td_var_offset(zone_skip),
630 .help = "Space between IO zones",
631 .def = "0",
632 },
633 {
634 .name = "lockmem",
635 .type = FIO_OPT_STR_VAL,
636 .cb = str_lockmem_cb,
637 .help = "Lock down this amount of memory",
638 .def = "0",
639 },
640 {
641 .name = "rwmixcycle",
642 .type = FIO_OPT_INT,
643 .off1 = td_var_offset(rwmixcycle),
644 .help = "Cycle period for mixed read/write workloads (msec)",
645 .def = "500",
646 },
647 {
648 .name = "rwmixread",
649 .type = FIO_OPT_INT,
e47f799f 650 .off1 = td_var_offset(rwmix[DDIR_READ]),
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651 .maxval = 100,
652 .help = "Percentage of mixed workload that is reads",
653 .def = "50",
654 },
655 {
656 .name = "rwmixwrite",
657 .type = FIO_OPT_INT,
e47f799f 658 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
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659 .maxval = 100,
660 .help = "Percentage of mixed workload that is writes",
661 .def = "50",
662 },
663 {
664 .name = "nice",
665 .type = FIO_OPT_INT,
666 .off1 = td_var_offset(nice),
667 .help = "Set job CPU nice value",
668 .minval = -19,
669 .maxval = 20,
670 .def = "0",
671 },
672#ifdef FIO_HAVE_IOPRIO
673 {
674 .name = "prio",
675 .type = FIO_OPT_INT,
676 .cb = str_prio_cb,
677 .help = "Set job IO priority value",
678 .minval = 0,
679 .maxval = 7,
680 },
681 {
682 .name = "prioclass",
683 .type = FIO_OPT_INT,
684 .cb = str_prioclass_cb,
685 .help = "Set job IO priority class",
686 .minval = 0,
687 .maxval = 3,
688 },
689#endif
690 {
691 .name = "thinktime",
692 .type = FIO_OPT_INT,
693 .off1 = td_var_offset(thinktime),
694 .help = "Idle time between IO buffers (usec)",
695 .def = "0",
696 },
697 {
698 .name = "thinktime_spin",
699 .type = FIO_OPT_INT,
700 .off1 = td_var_offset(thinktime_spin),
701 .help = "Start think time by spinning this amount (usec)",
702 .def = "0",
703 },
704 {
705 .name = "thinktime_blocks",
706 .type = FIO_OPT_INT,
707 .off1 = td_var_offset(thinktime_blocks),
708 .help = "IO buffer period between 'thinktime'",
709 .def = "1",
710 },
711 {
712 .name = "rate",
713 .type = FIO_OPT_INT,
714 .off1 = td_var_offset(rate),
715 .help = "Set bandwidth rate",
716 },
717 {
718 .name = "ratemin",
719 .type = FIO_OPT_INT,
720 .off1 = td_var_offset(ratemin),
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721 .help = "Job must meet this rate or it will be shutdown",
722 },
723 {
724 .name = "rate_iops",
725 .type = FIO_OPT_INT,
726 .off1 = td_var_offset(rate_iops),
727 .help = "Limit IO used to this number of IO operations/sec",
728 },
729 {
730 .name = "rate_iops_min",
731 .type = FIO_OPT_INT,
732 .off1 = td_var_offset(rate_iops_min),
733 .help = "Job must meet this rate or it will be shutdown",
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734 },
735 {
736 .name = "ratecycle",
737 .type = FIO_OPT_INT,
738 .off1 = td_var_offset(ratecycle),
739 .help = "Window average for rate limits (msec)",
740 .def = "1000",
741 },
742 {
743 .name = "invalidate",
744 .type = FIO_OPT_BOOL,
745 .off1 = td_var_offset(invalidate_cache),
746 .help = "Invalidate buffer/page cache prior to running job",
747 .def = "1",
748 },
749 {
750 .name = "sync",
751 .type = FIO_OPT_BOOL,
752 .off1 = td_var_offset(sync_io),
753 .help = "Use O_SYNC for buffered writes",
754 .def = "0",
755 },
756 {
757 .name = "bwavgtime",
758 .type = FIO_OPT_INT,
759 .off1 = td_var_offset(bw_avg_time),
760 .help = "Time window over which to calculate bandwidth (msec)",
761 .def = "500",
762 },
763 {
764 .name = "create_serialize",
765 .type = FIO_OPT_BOOL,
766 .off1 = td_var_offset(create_serialize),
767 .help = "Serialize creating of job files",
768 .def = "1",
769 },
770 {
771 .name = "create_fsync",
772 .type = FIO_OPT_BOOL,
773 .off1 = td_var_offset(create_fsync),
774 .help = "Fsync file after creation",
775 .def = "1",
776 },
777 {
778 .name = "cpuload",
779 .type = FIO_OPT_INT,
780 .off1 = td_var_offset(cpuload),
781 .help = "Use this percentage of CPU",
782 },
783 {
784 .name = "cpuchunks",
785 .type = FIO_OPT_INT,
786 .off1 = td_var_offset(cpucycle),
787 .help = "Length of the CPU burn cycles (usecs)",
788 .def = "50000",
789 },
790#ifdef FIO_HAVE_CPU_AFFINITY
791 {
792 .name = "cpumask",
793 .type = FIO_OPT_INT,
794 .cb = str_cpumask_cb,
795 .help = "CPU affinity mask",
796 },
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797 {
798 .name = "cpus_allowed",
799 .type = FIO_OPT_STR,
800 .cb = str_cpus_allowed_cb,
801 .help = "Set CPUs allowed",
802 },
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803#endif
804 {
805 .name = "end_fsync",
806 .type = FIO_OPT_BOOL,
807 .off1 = td_var_offset(end_fsync),
808 .help = "Include fsync at the end of job",
809 .def = "0",
810 },
811 {
812 .name = "fsync_on_close",
813 .type = FIO_OPT_BOOL,
814 .off1 = td_var_offset(fsync_on_close),
815 .help = "fsync files on close",
816 .def = "0",
817 },
818 {
819 .name = "unlink",
820 .type = FIO_OPT_BOOL,
821 .off1 = td_var_offset(unlink),
822 .help = "Unlink created files after job has completed",
823 .def = "0",
824 },
825 {
826 .name = "exitall",
827 .type = FIO_OPT_STR_SET,
828 .cb = str_exitall_cb,
829 .help = "Terminate all jobs when one exits",
830 },
831 {
832 .name = "stonewall",
833 .type = FIO_OPT_STR_SET,
834 .off1 = td_var_offset(stonewall),
835 .help = "Insert a hard barrier between this job and previous",
836 },
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837 {
838 .name = "new_group",
839 .type = FIO_OPT_STR_SET,
840 .off1 = td_var_offset(new_group),
841 .help = "Mark the start of a new group (for reporting)",
842 },
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843 {
844 .name = "thread",
845 .type = FIO_OPT_STR_SET,
846 .off1 = td_var_offset(use_thread),
847 .help = "Use threads instead of forks",
848 },
849 {
850 .name = "write_bw_log",
851 .type = FIO_OPT_STR_SET,
852 .off1 = td_var_offset(write_bw_log),
853 .help = "Write log of bandwidth during run",
854 },
855 {
856 .name = "write_lat_log",
857 .type = FIO_OPT_STR_SET,
858 .off1 = td_var_offset(write_lat_log),
859 .help = "Write log of latency during run",
860 },
861 {
862 .name = "hugepage-size",
863 .type = FIO_OPT_STR_VAL,
864 .off1 = td_var_offset(hugepage_size),
865 .help = "When using hugepages, specify size of each page",
866 .def = __stringify(FIO_HUGE_PAGE),
867 },
868 {
869 .name = "group_reporting",
870 .type = FIO_OPT_STR_SET,
871 .off1 = td_var_offset(group_reporting),
872 .help = "Do reporting on a per-group basis",
873 },
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874 {
875 .name = "zero_buffers",
876 .type = FIO_OPT_STR_SET,
877 .off1 = td_var_offset(zero_buffers),
878 .help = "Init IO buffers to all zeroes",
879 },
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880#ifdef FIO_HAVE_DISK_UTIL
881 {
882 .name = "disk_util",
883 .type = FIO_OPT_BOOL,
884 .off1 = td_var_offset(do_disk_util),
885 .help = "Log disk utilization stats",
886 .def = "1",
887 },
888#endif
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889 {
890 .name = NULL,
891 },
892};
893
894void fio_options_dup_and_init(struct option *long_options)
895{
896 struct fio_option *o;
897 unsigned int i;
898
899 options_init(options);
900
901 i = 0;
902 while (long_options[i].name)
903 i++;
904
905 o = &options[0];
906 while (o->name) {
907 long_options[i].name = o->name;
908 long_options[i].val = FIO_GETOPT_JOB;
909 if (o->type == FIO_OPT_STR_SET)
910 long_options[i].has_arg = no_argument;
911 else
912 long_options[i].has_arg = required_argument;
913
914 i++;
915 o++;
916 assert(i < FIO_NR_OPTIONS);
917 }
918}
919
920int fio_option_parse(struct thread_data *td, const char *opt)
921{
922 return parse_option(opt, options, td);
923}
924
925int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
926{
927 return parse_cmd_option(opt, val, options, td);
928}
929
930void fio_fill_default_options(struct thread_data *td)
931{
932 fill_default_options(td, options);
933}
934
935int fio_show_option_help(const char *opt)
936{
937 return show_cmd_help(options, opt);
938}
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939
940static void __options_mem(struct thread_data *td, int alloc)
941{
942 struct thread_options *o = &td->o;
943 struct fio_option *opt;
944 char **ptr;
945 int i;
946
947 for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
948 if (opt->type != FIO_OPT_STR_STORE)
949 continue;
950
951 ptr = (void *) o + opt->off1;
952 if (*ptr) {
953 if (alloc)
954 *ptr = strdup(*ptr);
955 else {
956 free(*ptr);
957 *ptr = NULL;
958 }
959 }
960 }
961}
962
963/*
964 * dupe FIO_OPT_STR_STORE options
965 */
966void options_mem_dupe(struct thread_data *td)
967{
968 __options_mem(td, 1);
969}
970
22d66213 971void options_mem_free(struct thread_data fio_unused *td)
d23bb327 972{
22d66213 973#if 0
d23bb327 974 __options_mem(td, 0);
22d66213 975#endif
d23bb327 976}