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