Add verify_fatal option
[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"
90059d65 11#include "fls.h"
214e1eca 12
2dc1bbeb 13#define td_var_offset(var) ((size_t) &((struct thread_options *)0)->var)
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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
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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
fafdba3c 36 td->o.ddir_nr = 1;
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37 if (nr)
38 td->o.ddir_nr = atoi(nr);
39
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40 return 0;
41}
42
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43static int str_mem_cb(void *data, const char *mem)
44{
45 struct thread_data *td = data;
46
2dc1bbeb 47 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) {
214e1eca 48 td->mmapfile = get_opt_postfix(mem);
2dc1bbeb 49 if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) {
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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;
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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;
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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;
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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
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92 return 0;
93}
94#endif
95
96static int str_exitall_cb(void)
97{
98 exitall_on_terminate = 1;
99 return 0;
100}
101
214e1eca 102#ifdef FIO_HAVE_CPU_AFFINITY
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103static int str_cpumask_cb(void *data, unsigned int *val)
104{
105 struct thread_data *td = data;
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106 unsigned int i;
107
d2e268b0 108 CPU_ZERO(&td->o.cpumask);
214e1eca 109
e600f7f1 110 for (i = 0; i < sizeof(int) * 8; i++)
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111 if ((1 << i) & *val)
112 CPU_SET(*val, &td->o.cpumask);
113
114 td->o.cpumask_set = 1;
115 return 0;
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116}
117
d2e268b0 118static int str_cpus_allowed_cb(void *data, const char *input)
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119{
120 struct thread_data *td = data;
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121 char *cpu, *str, *p;
122
123 CPU_ZERO(&td->o.cpumask);
124
125 p = str = strdup(input);
214e1eca 126
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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);
375b2695 137 td->o.cpumask_set = 1;
d2e268b0 138 exit(0);
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139 return 0;
140}
d2e268b0 141#endif
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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)
2dc1bbeb 166 td->o.nr_files = 0;
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167
168 while ((fname = strsep(&str, ":")) != NULL) {
169 if (!strlen(fname))
170 break;
171 add_file(td, fname);
2dc1bbeb 172 td->o.nr_files++;
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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
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184 if (lstat(td->o.directory, &sb) < 0) {
185 log_err("fio: %s is not a directory\n", td->o.directory);
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186 td_verror(td, errno, "lstat");
187 return 1;
188 }
189 if (!S_ISDIR(sb.st_mode)) {
2dc1bbeb 190 log_err("fio: %s is not a directory\n", td->o.directory);
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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)
2dc1bbeb 202 td->o.nr_files = 0;
214e1eca 203
2dc1bbeb 204 return add_dir_files(td, td->o.opendir);
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205}
206
a59e170d 207static int str_verify_offset_cb(void *data, unsigned int *off)
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208{
209 struct thread_data *td = data;
a59e170d 210
546a9142 211 if (*off && *off < sizeof(struct verify_header)) {
a59e170d 212 log_err("fio: verify_offset too small\n");
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213 return 1;
214 }
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215
216 td->o.verify_offset = *off;
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217 return 0;
218}
219
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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}
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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",
d3aad8f2 281 .alias = "readwrite",
214e1eca 282 .type = FIO_OPT_STR,
211097b2 283 .cb = str_rw_cb,
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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 },
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341 { .ival = "netsplice",
342 .help = "splice/vmsplice to/from the network",
343 },
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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 },
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364#ifdef FIO_HAVE_GUASI
365 { .ival = "guasi",
366 .help = "GUASI IO engine",
367 },
368#endif
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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",
afdf9352 386 .parent = "iodepth",
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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",
afdf9352 393 .parent = "iodepth",
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394 },
395 {
396 .name = "size",
397 .type = FIO_OPT_STR_VAL,
2dc1bbeb 398 .off1 = td_var_offset(size),
c3edbdba 399 .minval = 1,
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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),
c3edbdba 407 .minval = 1,
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408 .help = "Size of individual files",
409 },
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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 },
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418 {
419 .name = "bs",
d3aad8f2 420 .alias = "blocksize",
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421 .type = FIO_OPT_STR_VAL_INT,
422 .off1 = td_var_offset(bs[DDIR_READ]),
423 .off2 = td_var_offset(bs[DDIR_WRITE]),
c3edbdba 424 .minval = 1,
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425 .help = "Block size unit",
426 .def = "4k",
67a1000f 427 .parent = "rw",
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428 },
429 {
430 .name = "bsrange",
d3aad8f2 431 .alias = "blocksize_range",
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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]),
c3edbdba 437 .minval = 1,
214e1eca 438 .help = "Set block size range (in more detail than bs)",
67a1000f 439 .parent = "rw",
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440 },
441 {
442 .name = "bs_unaligned",
d3aad8f2 443 .alias = "blocksize_unaligned",
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444 .type = FIO_OPT_STR_SET,
445 .off1 = td_var_offset(bs_unaligned),
446 .help = "Don't sector align IO buffer sizes",
67a1000f 447 .parent = "rw",
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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",
67a1000f 455 .parent = "rw",
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456 },
457 {
458 .name = "norandommap",
459 .type = FIO_OPT_STR_SET,
460 .off1 = td_var_offset(norandommap),
461 .help = "Accept potential duplicate random blocks",
67a1000f 462 .parent = "rw",
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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 },
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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",
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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 },
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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 },
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567 {
568 .name = "mem",
d3aad8f2 569 .alias = "iomem",
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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 },
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580 { .ival = "shm",
581 .oval = MEM_SHM,
582 .help = "Use shared memory segments for IO buffers",
583 },
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584#ifdef FIO_HAVE_HUGETLB
585 { .ival = "shmhuge",
586 .oval = MEM_SHMHUGE,
587 .help = "Like shm, but use huge pages",
588 },
b370e46a 589#endif
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590 { .ival = "mmap",
591 .oval = MEM_MMAP,
592 .help = "Use mmap(2) (file or anon) for IO buffers",
593 },
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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 },
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613 { .ival = "md5",
614 .oval = VERIFY_MD5,
615 .help = "Use md5 checksums for verification",
616 },
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617 { .ival = "crc64",
618 .oval = VERIFY_CRC64,
619 .help = "Use crc64 checksums for verification",
620 },
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621 { .ival = "crc32",
622 .oval = VERIFY_CRC32,
623 .help = "Use crc32 checksums for verification",
624 },
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625 { .ival = "crc16",
626 .oval = VERIFY_CRC16,
627 .help = "Use crc16 checksums for verification",
628 },
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629 { .ival = "crc7",
630 .oval = VERIFY_CRC7,
631 .help = "Use crc7 checksums for verification",
632 },
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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 },
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641 { .ival = "meta",
642 .oval = VERIFY_META,
643 .help = "Use io information",
644 },
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645 {
646 .ival = "null",
647 .oval = VERIFY_NULL,
648 .help = "Pretend to verify",
649 },
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650 },
651 },
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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 },
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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",
c83f2df1 666 .parent = "verify",
160b966d 667 },
3f9f4e26 668 {
a59e170d 669 .name = "verify_interval",
3f9f4e26 670 .type = FIO_OPT_STR_VAL_INT,
a59e170d 671 .off1 = td_var_offset(verify_interval),
819a9680 672 .minval = 2 * sizeof(struct verify_header),
a59e170d 673 .help = "Store verify buffer header every N bytes",
afdf9352 674 .parent = "verify",
3f9f4e26 675 },
546a9142 676 {
a59e170d 677 .name = "verify_offset",
546a9142 678 .type = FIO_OPT_STR_VAL_INT,
a59e170d 679 .help = "Offset verify header location by N bytes",
546a9142 680 .def = "0",
a59e170d 681 .cb = str_verify_offset_cb,
afdf9352 682 .parent = "verify",
546a9142 683 },
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684 {
685 .name = "verify_pattern",
686 .type = FIO_OPT_INT,
687 .cb = str_verify_pattern_cb,
90059d65 688 .help = "Fill pattern for IO buffers",
afdf9352 689 .parent = "verify",
90059d65 690 },
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691 {
692 .name = "verify_fatal",
693 .type = FIO_OPT_INT,
694 .off1 = td_var_offset(verify_fatal),
695 .def = "0",
696 .help = "Exit on a single verify failure, don't continue",
697 .parent = "verify",
698 },
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699 {
700 .name = "write_iolog",
701 .type = FIO_OPT_STR_STORE,
702 .off1 = td_var_offset(write_iolog_file),
703 .help = "Store IO pattern to file",
704 },
705 {
706 .name = "read_iolog",
707 .type = FIO_OPT_STR_STORE,
708 .off1 = td_var_offset(read_iolog_file),
709 .help = "Playback IO pattern from file",
710 },
711 {
712 .name = "exec_prerun",
713 .type = FIO_OPT_STR_STORE,
714 .off1 = td_var_offset(exec_prerun),
715 .help = "Execute this file prior to running job",
716 },
717 {
718 .name = "exec_postrun",
719 .type = FIO_OPT_STR_STORE,
720 .off1 = td_var_offset(exec_postrun),
721 .help = "Execute this file after running job",
722 },
723#ifdef FIO_HAVE_IOSCHED_SWITCH
724 {
725 .name = "ioscheduler",
726 .type = FIO_OPT_STR_STORE,
727 .off1 = td_var_offset(ioscheduler),
728 .help = "Use this IO scheduler on the backing device",
729 },
730#endif
731 {
732 .name = "zonesize",
733 .type = FIO_OPT_STR_VAL,
734 .off1 = td_var_offset(zone_size),
735 .help = "Give size of an IO zone",
736 .def = "0",
737 },
738 {
739 .name = "zoneskip",
740 .type = FIO_OPT_STR_VAL,
741 .off1 = td_var_offset(zone_skip),
742 .help = "Space between IO zones",
743 .def = "0",
744 },
745 {
746 .name = "lockmem",
747 .type = FIO_OPT_STR_VAL,
748 .cb = str_lockmem_cb,
749 .help = "Lock down this amount of memory",
750 .def = "0",
751 },
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752 {
753 .name = "rwmixread",
754 .type = FIO_OPT_INT,
e47f799f 755 .off1 = td_var_offset(rwmix[DDIR_READ]),
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756 .maxval = 100,
757 .help = "Percentage of mixed workload that is reads",
758 .def = "50",
759 },
760 {
761 .name = "rwmixwrite",
762 .type = FIO_OPT_INT,
e47f799f 763 .off1 = td_var_offset(rwmix[DDIR_WRITE]),
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764 .maxval = 100,
765 .help = "Percentage of mixed workload that is writes",
766 .def = "50",
767 },
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768 {
769 .name = "rwmixcycle",
770 .type = FIO_OPT_INT,
771 .off1 = td_var_offset(rwmixcycle),
772 .help = "Cycle period for mixed read/write workloads (msec)",
773 .def = "500",
774 .parent = "rwmixread",
775 },
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776 {
777 .name = "nice",
778 .type = FIO_OPT_INT,
779 .off1 = td_var_offset(nice),
780 .help = "Set job CPU nice value",
781 .minval = -19,
782 .maxval = 20,
783 .def = "0",
784 },
785#ifdef FIO_HAVE_IOPRIO
786 {
787 .name = "prio",
788 .type = FIO_OPT_INT,
789 .cb = str_prio_cb,
790 .help = "Set job IO priority value",
791 .minval = 0,
792 .maxval = 7,
793 },
794 {
795 .name = "prioclass",
796 .type = FIO_OPT_INT,
797 .cb = str_prioclass_cb,
798 .help = "Set job IO priority class",
799 .minval = 0,
800 .maxval = 3,
801 },
802#endif
803 {
804 .name = "thinktime",
805 .type = FIO_OPT_INT,
806 .off1 = td_var_offset(thinktime),
807 .help = "Idle time between IO buffers (usec)",
808 .def = "0",
809 },
810 {
811 .name = "thinktime_spin",
812 .type = FIO_OPT_INT,
813 .off1 = td_var_offset(thinktime_spin),
814 .help = "Start think time by spinning this amount (usec)",
815 .def = "0",
afdf9352 816 .parent = "thinktime",
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817 },
818 {
819 .name = "thinktime_blocks",
820 .type = FIO_OPT_INT,
821 .off1 = td_var_offset(thinktime_blocks),
822 .help = "IO buffer period between 'thinktime'",
823 .def = "1",
afdf9352 824 .parent = "thinktime",
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825 },
826 {
827 .name = "rate",
828 .type = FIO_OPT_INT,
829 .off1 = td_var_offset(rate),
830 .help = "Set bandwidth rate",
831 },
832 {
833 .name = "ratemin",
834 .type = FIO_OPT_INT,
835 .off1 = td_var_offset(ratemin),
4e991c23 836 .help = "Job must meet this rate or it will be shutdown",
afdf9352 837 .parent = "rate",
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838 },
839 {
840 .name = "rate_iops",
841 .type = FIO_OPT_INT,
842 .off1 = td_var_offset(rate_iops),
843 .help = "Limit IO used to this number of IO operations/sec",
844 },
845 {
846 .name = "rate_iops_min",
847 .type = FIO_OPT_INT,
848 .off1 = td_var_offset(rate_iops_min),
849 .help = "Job must meet this rate or it will be shutdown",
afdf9352 850 .parent = "rate_iops",
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851 },
852 {
853 .name = "ratecycle",
854 .type = FIO_OPT_INT,
855 .off1 = td_var_offset(ratecycle),
856 .help = "Window average for rate limits (msec)",
857 .def = "1000",
afdf9352 858 .parent = "rate",
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859 },
860 {
861 .name = "invalidate",
862 .type = FIO_OPT_BOOL,
863 .off1 = td_var_offset(invalidate_cache),
864 .help = "Invalidate buffer/page cache prior to running job",
865 .def = "1",
866 },
867 {
868 .name = "sync",
869 .type = FIO_OPT_BOOL,
870 .off1 = td_var_offset(sync_io),
871 .help = "Use O_SYNC for buffered writes",
872 .def = "0",
67a1000f 873 .parent = "buffered",
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874 },
875 {
876 .name = "bwavgtime",
877 .type = FIO_OPT_INT,
878 .off1 = td_var_offset(bw_avg_time),
879 .help = "Time window over which to calculate bandwidth (msec)",
880 .def = "500",
881 },
882 {
883 .name = "create_serialize",
884 .type = FIO_OPT_BOOL,
885 .off1 = td_var_offset(create_serialize),
886 .help = "Serialize creating of job files",
887 .def = "1",
888 },
889 {
890 .name = "create_fsync",
891 .type = FIO_OPT_BOOL,
892 .off1 = td_var_offset(create_fsync),
893 .help = "Fsync file after creation",
894 .def = "1",
895 },
896 {
897 .name = "cpuload",
898 .type = FIO_OPT_INT,
899 .off1 = td_var_offset(cpuload),
900 .help = "Use this percentage of CPU",
901 },
902 {
903 .name = "cpuchunks",
904 .type = FIO_OPT_INT,
905 .off1 = td_var_offset(cpucycle),
906 .help = "Length of the CPU burn cycles (usecs)",
907 .def = "50000",
67a1000f 908 .parent = "cpuload",
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909 },
910#ifdef FIO_HAVE_CPU_AFFINITY
911 {
912 .name = "cpumask",
913 .type = FIO_OPT_INT,
914 .cb = str_cpumask_cb,
915 .help = "CPU affinity mask",
916 },
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917 {
918 .name = "cpus_allowed",
919 .type = FIO_OPT_STR,
920 .cb = str_cpus_allowed_cb,
921 .help = "Set CPUs allowed",
922 },
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923#endif
924 {
925 .name = "end_fsync",
926 .type = FIO_OPT_BOOL,
927 .off1 = td_var_offset(end_fsync),
928 .help = "Include fsync at the end of job",
929 .def = "0",
930 },
931 {
932 .name = "fsync_on_close",
933 .type = FIO_OPT_BOOL,
934 .off1 = td_var_offset(fsync_on_close),
935 .help = "fsync files on close",
936 .def = "0",
937 },
938 {
939 .name = "unlink",
940 .type = FIO_OPT_BOOL,
941 .off1 = td_var_offset(unlink),
942 .help = "Unlink created files after job has completed",
943 .def = "0",
944 },
945 {
946 .name = "exitall",
947 .type = FIO_OPT_STR_SET,
948 .cb = str_exitall_cb,
949 .help = "Terminate all jobs when one exits",
950 },
951 {
952 .name = "stonewall",
953 .type = FIO_OPT_STR_SET,
954 .off1 = td_var_offset(stonewall),
955 .help = "Insert a hard barrier between this job and previous",
956 },
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957 {
958 .name = "new_group",
959 .type = FIO_OPT_STR_SET,
960 .off1 = td_var_offset(new_group),
961 .help = "Mark the start of a new group (for reporting)",
962 },
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963 {
964 .name = "thread",
965 .type = FIO_OPT_STR_SET,
966 .off1 = td_var_offset(use_thread),
967 .help = "Use threads instead of forks",
968 },
969 {
970 .name = "write_bw_log",
971 .type = FIO_OPT_STR_SET,
972 .off1 = td_var_offset(write_bw_log),
973 .help = "Write log of bandwidth during run",
974 },
975 {
976 .name = "write_lat_log",
977 .type = FIO_OPT_STR_SET,
978 .off1 = td_var_offset(write_lat_log),
979 .help = "Write log of latency during run",
980 },
981 {
982 .name = "hugepage-size",
983 .type = FIO_OPT_STR_VAL,
984 .off1 = td_var_offset(hugepage_size),
985 .help = "When using hugepages, specify size of each page",
986 .def = __stringify(FIO_HUGE_PAGE),
987 },
988 {
989 .name = "group_reporting",
990 .type = FIO_OPT_STR_SET,
991 .off1 = td_var_offset(group_reporting),
992 .help = "Do reporting on a per-group basis",
993 },
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994 {
995 .name = "zero_buffers",
996 .type = FIO_OPT_STR_SET,
997 .off1 = td_var_offset(zero_buffers),
998 .help = "Init IO buffers to all zeroes",
999 },
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1000#ifdef FIO_HAVE_DISK_UTIL
1001 {
1002 .name = "disk_util",
1003 .type = FIO_OPT_BOOL,
1004 .off1 = td_var_offset(do_disk_util),
1005 .help = "Log disk utilization stats",
1006 .def = "1",
1007 },
1008#endif
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1009 {
1010 .name = NULL,
1011 },
1012};
1013
1014void fio_options_dup_and_init(struct option *long_options)
1015{
1016 struct fio_option *o;
1017 unsigned int i;
1018
1019 options_init(options);
1020
1021 i = 0;
1022 while (long_options[i].name)
1023 i++;
1024
1025 o = &options[0];
1026 while (o->name) {
1027 long_options[i].name = o->name;
1028 long_options[i].val = FIO_GETOPT_JOB;
1029 if (o->type == FIO_OPT_STR_SET)
1030 long_options[i].has_arg = no_argument;
1031 else
1032 long_options[i].has_arg = required_argument;
1033
1034 i++;
1035 o++;
1036 assert(i < FIO_NR_OPTIONS);
1037 }
1038}
1039
1040int fio_option_parse(struct thread_data *td, const char *opt)
1041{
1042 return parse_option(opt, options, td);
1043}
1044
1045int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
1046{
1047 return parse_cmd_option(opt, val, options, td);
1048}
1049
1050void fio_fill_default_options(struct thread_data *td)
1051{
1052 fill_default_options(td, options);
1053}
1054
1055int fio_show_option_help(const char *opt)
1056{
1057 return show_cmd_help(options, opt);
1058}
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1059
1060static void __options_mem(struct thread_data *td, int alloc)
1061{
1062 struct thread_options *o = &td->o;
1063 struct fio_option *opt;
1064 char **ptr;
1065 int i;
1066
1067 for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
1068 if (opt->type != FIO_OPT_STR_STORE)
1069 continue;
1070
1071 ptr = (void *) o + opt->off1;
1072 if (*ptr) {
1073 if (alloc)
1074 *ptr = strdup(*ptr);
1075 else {
1076 free(*ptr);
1077 *ptr = NULL;
1078 }
1079 }
1080 }
1081}
1082
1083/*
1084 * dupe FIO_OPT_STR_STORE options
1085 */
1086void options_mem_dupe(struct thread_data *td)
1087{
1088 __options_mem(td, 1);
1089}
1090
22d66213 1091void options_mem_free(struct thread_data fio_unused *td)
d23bb327 1092{
22d66213 1093#if 0
d23bb327 1094 __options_mem(td, 0);
22d66213 1095#endif
d23bb327 1096}