Commit | Line | Data |
---|---|---|
906c8d75 | 1 | /* |
cb2c86fd | 2 | * This file contains job initialization and setup functions. |
906c8d75 | 3 | */ |
ebac4655 JA |
4 | #include <stdio.h> |
5 | #include <stdlib.h> | |
6 | #include <unistd.h> | |
7 | #include <fcntl.h> | |
8 | #include <ctype.h> | |
9 | #include <string.h> | |
10 | #include <errno.h> | |
b4692828 JA |
11 | #include <getopt.h> |
12 | #include <assert.h> | |
ebac4655 JA |
13 | #include <sys/ipc.h> |
14 | #include <sys/shm.h> | |
15 | #include <sys/types.h> | |
16 | #include <sys/stat.h> | |
17 | ||
18 | #include "fio.h" | |
cb2c86fd | 19 | #include "parse.h" |
ebac4655 | 20 | |
906c8d75 JA |
21 | /* |
22 | * The default options | |
23 | */ | |
20dc95c4 JA |
24 | #define DEF_BS (4096) |
25 | #define DEF_TIMEOUT (0) | |
26 | #define DEF_RATE_CYCLE (1000) | |
27 | #define DEF_ODIRECT (1) | |
28 | #define DEF_IO_ENGINE (FIO_SYNCIO) | |
ebac4655 | 29 | #define DEF_IO_ENGINE_NAME "sync" |
20dc95c4 JA |
30 | #define DEF_SEQUENTIAL (1) |
31 | #define DEF_RAND_REPEAT (1) | |
32 | #define DEF_OVERWRITE (1) | |
20dc95c4 JA |
33 | #define DEF_INVALIDATE (1) |
34 | #define DEF_SYNCIO (0) | |
35 | #define DEF_RANDSEED (0xb1899bedUL) | |
36 | #define DEF_BWAVGTIME (500) | |
37 | #define DEF_CREATE_SER (1) | |
ebac4655 | 38 | #define DEF_CREATE_FSYNC (1) |
20dc95c4 JA |
39 | #define DEF_LOOPS (1) |
40 | #define DEF_VERIFY (0) | |
41 | #define DEF_STONEWALL (0) | |
42 | #define DEF_NUMJOBS (1) | |
43 | #define DEF_USE_THREAD (0) | |
44 | #define DEF_FILE_SIZE (1024 * 1024 * 1024UL) | |
45 | #define DEF_ZONE_SIZE (0) | |
46 | #define DEF_ZONE_SKIP (0) | |
a6ccc7be JA |
47 | #define DEF_RWMIX_CYCLE (500) |
48 | #define DEF_RWMIX_READ (50) | |
b6f4d880 | 49 | #define DEF_NICE (0) |
53cdc686 | 50 | #define DEF_NR_FILES (1) |
f6cbb269 | 51 | #define DEF_UNLINK (0) |
ec94ec56 JA |
52 | #define DEF_WRITE_BW_LOG (0) |
53 | #define DEF_WRITE_LAT_LOG (0) | |
ebac4655 | 54 | |
e1f36503 JA |
55 | #define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) |
56 | ||
b4692828 JA |
57 | static int str_rw_cb(void *, const char *); |
58 | static int str_ioengine_cb(void *, const char *); | |
59 | static int str_mem_cb(void *, const char *); | |
60 | static int str_verify_cb(void *, const char *); | |
e1f36503 JA |
61 | static int str_lockmem_cb(void *, unsigned long *); |
62 | static int str_prio_cb(void *, unsigned int *); | |
63 | static int str_prioclass_cb(void *, unsigned int *); | |
64 | static int str_exitall_cb(void); | |
65 | static int str_cpumask_cb(void *, unsigned int *); | |
66 | ||
67 | /* | |
68 | * Map of job/command line options | |
69 | */ | |
70 | static struct fio_option options[] = { | |
71 | { | |
72 | .name = "name", | |
73 | .type = FIO_OPT_STR_STORE, | |
74 | .off1 = td_var_offset(name), | |
75 | }, | |
76 | { | |
77 | .name = "directory", | |
78 | .type = FIO_OPT_STR_STORE, | |
79 | .off1 = td_var_offset(directory), | |
80 | }, | |
81 | { | |
82 | .name = "filename", | |
83 | .type = FIO_OPT_STR_STORE, | |
84 | .off1 = td_var_offset(filename), | |
85 | }, | |
86 | { | |
87 | .name = "rw", | |
88 | .type = FIO_OPT_STR, | |
89 | .cb = str_rw_cb, | |
90 | }, | |
91 | { | |
92 | .name = "ioengine", | |
93 | .type = FIO_OPT_STR, | |
94 | .cb = str_ioengine_cb, | |
95 | }, | |
96 | { | |
97 | .name = "mem", | |
98 | .type = FIO_OPT_STR, | |
99 | .cb = str_mem_cb, | |
100 | }, | |
101 | { | |
102 | .name = "verify", | |
103 | .type = FIO_OPT_STR, | |
104 | .cb = str_verify_cb, | |
105 | }, | |
106 | { | |
107 | .name = "write_iolog", | |
076efc7c JA |
108 | .type = FIO_OPT_STR_STORE, |
109 | .off1 = td_var_offset(write_iolog_file), | |
e1f36503 JA |
110 | }, |
111 | { | |
076efc7c | 112 | .name = "read_iolog", |
e1f36503 | 113 | .type = FIO_OPT_STR_STORE, |
076efc7c | 114 | .off1 = td_var_offset(read_iolog_file), |
e1f36503 JA |
115 | }, |
116 | { | |
117 | .name = "exec_prerun", | |
118 | .type = FIO_OPT_STR_STORE, | |
119 | .off1 = td_var_offset(exec_prerun), | |
120 | }, | |
121 | { | |
122 | .name = "exec_postrun", | |
123 | .type = FIO_OPT_STR_STORE, | |
124 | .off1 = td_var_offset(exec_postrun), | |
125 | }, | |
126 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
127 | { | |
128 | .name = "ioscheduler", | |
129 | .type = FIO_OPT_STR_STORE, | |
130 | .off1 = td_var_offset(ioscheduler), | |
131 | }, | |
132 | #endif | |
133 | { | |
134 | .name = "size", | |
135 | .type = FIO_OPT_STR_VAL, | |
136 | .off1 = td_var_offset(total_file_size), | |
137 | }, | |
138 | { | |
139 | .name = "bs", | |
140 | .type = FIO_OPT_STR_VAL, | |
141 | .off1 = td_var_offset(bs), | |
142 | }, | |
143 | { | |
144 | .name = "offset", | |
145 | .type = FIO_OPT_STR_VAL, | |
146 | .off1 = td_var_offset(start_offset), | |
147 | }, | |
148 | { | |
149 | .name = "zonesize", | |
150 | .type = FIO_OPT_STR_VAL, | |
151 | .off1 = td_var_offset(zone_size), | |
152 | }, | |
153 | { | |
154 | .name = "zoneskip", | |
155 | .type = FIO_OPT_STR_VAL, | |
156 | .off1 = td_var_offset(zone_skip), | |
157 | }, | |
158 | { | |
159 | .name = "lockmem", | |
160 | .type = FIO_OPT_STR_VAL, | |
161 | .cb = str_lockmem_cb, | |
162 | }, | |
163 | { | |
164 | .name = "bsrange", | |
165 | .type = FIO_OPT_RANGE, | |
166 | .off1 = td_var_offset(min_bs), | |
167 | .off2 = td_var_offset(max_bs), | |
168 | }, | |
169 | { | |
170 | .name = "nrfiles", | |
171 | .type = FIO_OPT_INT, | |
172 | .off1 = td_var_offset(nr_files), | |
173 | }, | |
174 | { | |
175 | .name = "iodepth", | |
176 | .type = FIO_OPT_INT, | |
177 | .off1 = td_var_offset(iodepth), | |
178 | }, | |
179 | { | |
180 | .name = "fsync", | |
181 | .type = FIO_OPT_INT, | |
182 | .off1 = td_var_offset(fsync_blocks), | |
183 | }, | |
184 | { | |
185 | .name = "rwmixcycle", | |
186 | .type = FIO_OPT_INT, | |
187 | .off1 = td_var_offset(rwmixcycle), | |
188 | }, | |
189 | { | |
190 | .name = "rwmixread", | |
191 | .type = FIO_OPT_INT, | |
192 | .off1 = td_var_offset(rwmixread), | |
193 | .max_val= 100, | |
194 | }, | |
195 | { | |
196 | .name = "rwmixwrite", | |
197 | .type = FIO_OPT_INT, | |
198 | .off1 = td_var_offset(rwmixwrite), | |
199 | .max_val= 100, | |
200 | }, | |
201 | { | |
202 | .name = "nice", | |
203 | .type = FIO_OPT_INT, | |
204 | .off1 = td_var_offset(nice), | |
205 | }, | |
206 | #ifdef FIO_HAVE_IOPRIO | |
207 | { | |
208 | .name = "prio", | |
209 | .type = FIO_OPT_INT, | |
210 | .cb = str_prio_cb, | |
211 | }, | |
212 | { | |
213 | .name = "prioclass", | |
214 | .type = FIO_OPT_INT, | |
215 | .cb = str_prioclass_cb, | |
216 | }, | |
217 | #endif | |
218 | { | |
219 | .name = "thinktime", | |
220 | .type = FIO_OPT_INT, | |
221 | .off1 = td_var_offset(thinktime) | |
222 | }, | |
223 | { | |
224 | .name = "rate", | |
225 | .type = FIO_OPT_INT, | |
226 | .off1 = td_var_offset(rate) | |
227 | }, | |
228 | { | |
229 | .name = "ratemin", | |
230 | .type = FIO_OPT_INT, | |
231 | .off1 = td_var_offset(ratemin) | |
232 | }, | |
233 | { | |
234 | .name = "ratecycle", | |
235 | .type = FIO_OPT_INT, | |
236 | .off1 = td_var_offset(ratecycle) | |
237 | }, | |
238 | { | |
239 | .name = "startdelay", | |
240 | .type = FIO_OPT_INT, | |
241 | .off1 = td_var_offset(start_delay) | |
242 | }, | |
243 | { | |
244 | .name = "timeout", | |
245 | .type = FIO_OPT_STR_VAL_TIME, | |
246 | .off1 = td_var_offset(timeout) | |
247 | }, | |
248 | { | |
249 | .name = "invalidate", | |
250 | .type = FIO_OPT_INT, | |
251 | .off1 = td_var_offset(invalidate_cache) | |
252 | }, | |
253 | { | |
254 | .name = "sync", | |
255 | .type = FIO_OPT_INT, | |
256 | .off1 = td_var_offset(sync_io) | |
257 | }, | |
258 | { | |
259 | .name = "bwavgtime", | |
260 | .type = FIO_OPT_INT, | |
261 | .off1 = td_var_offset(bw_avg_time) | |
262 | }, | |
263 | { | |
264 | .name = "create_serialize", | |
265 | .type = FIO_OPT_INT, | |
266 | .off1 = td_var_offset(create_serialize) | |
267 | }, | |
268 | { | |
269 | .name = "create_fsync", | |
270 | .type = FIO_OPT_INT, | |
271 | .off1 = td_var_offset(create_fsync) | |
272 | }, | |
273 | { | |
274 | .name = "loops", | |
275 | .type = FIO_OPT_INT, | |
276 | .off1 = td_var_offset(loops) | |
277 | }, | |
278 | { | |
279 | .name = "numjobs", | |
280 | .type = FIO_OPT_INT, | |
281 | .off1 = td_var_offset(numjobs) | |
282 | }, | |
283 | { | |
284 | .name = "cpuload", | |
285 | .type = FIO_OPT_INT, | |
286 | .off1 = td_var_offset(cpuload) | |
287 | }, | |
288 | { | |
289 | .name = "cpuchunks", | |
290 | .type = FIO_OPT_INT, | |
291 | .off1 = td_var_offset(cpucycle) | |
292 | }, | |
293 | { | |
294 | .name = "direct", | |
295 | .type = FIO_OPT_INT, | |
296 | .off1 = td_var_offset(odirect) | |
297 | }, | |
298 | { | |
299 | .name = "overwrite", | |
300 | .type = FIO_OPT_INT, | |
301 | .off1 = td_var_offset(overwrite) | |
302 | }, | |
303 | #ifdef FIO_HAVE_CPU_AFFINITY | |
304 | { | |
305 | .name = "cpumask", | |
306 | .type = FIO_OPT_INT, | |
307 | .cb = str_cpumask_cb, | |
308 | }, | |
309 | #endif | |
310 | { | |
311 | .name = "end_fsync", | |
312 | .type = FIO_OPT_INT, | |
313 | .off1 = td_var_offset(end_fsync) | |
314 | }, | |
315 | { | |
316 | .name = "unlink", | |
317 | .type = FIO_OPT_STR_SET, | |
318 | .off1 = td_var_offset(unlink), | |
319 | }, | |
320 | { | |
321 | .name = "exitall", | |
322 | .type = FIO_OPT_STR_SET, | |
323 | .cb = str_exitall_cb, | |
324 | }, | |
325 | { | |
326 | .name = "stonewall", | |
327 | .type = FIO_OPT_STR_SET, | |
328 | .off1 = td_var_offset(stonewall), | |
329 | }, | |
330 | { | |
331 | .name = "thread", | |
332 | .type = FIO_OPT_STR_SET, | |
333 | .off1 = td_var_offset(thread), | |
334 | }, | |
335 | { | |
336 | .name = "write_bw_log", | |
337 | .type = FIO_OPT_STR_SET, | |
338 | .off1 = td_var_offset(write_bw_log), | |
339 | }, | |
340 | { | |
341 | .name = "write_lat_log", | |
342 | .type = FIO_OPT_STR_SET, | |
343 | .off1 = td_var_offset(write_lat_log), | |
344 | }, | |
345 | { | |
346 | .name = NULL, | |
347 | }, | |
348 | }; | |
349 | ||
b4692828 JA |
350 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
351 | #define FIO_CMD_OPTS (16) | |
352 | #define FIO_GETOPT_JOB (0x89988998) | |
353 | ||
354 | /* | |
355 | * Command line options. These will contain the above, plus a few | |
356 | * extra that only pertain to fio itself and not jobs. | |
357 | */ | |
358 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
359 | { | |
360 | .name = "output", | |
361 | .has_arg = required_argument, | |
362 | .val = 'o', | |
363 | }, | |
364 | { | |
365 | .name = "timeout", | |
366 | .has_arg = required_argument, | |
367 | .val = 't', | |
368 | }, | |
369 | { | |
370 | .name = "latency-log", | |
371 | .has_arg = required_argument, | |
372 | .val = 'l', | |
373 | }, | |
374 | { | |
375 | .name = "bandwidth-log", | |
376 | .has_arg = required_argument, | |
377 | .val = 'b', | |
378 | }, | |
379 | { | |
380 | .name = "minimal", | |
381 | .has_arg = optional_argument, | |
382 | .val = 'm', | |
383 | }, | |
384 | { | |
385 | .name = "version", | |
386 | .has_arg = no_argument, | |
387 | .val = 'v', | |
388 | }, | |
389 | { | |
390 | .name = NULL, | |
391 | }, | |
392 | }; | |
393 | ||
972cfd25 | 394 | static int def_timeout = DEF_TIMEOUT; |
972cfd25 | 395 | |
b4692828 | 396 | static char fio_version_string[] = "fio 1.7"; |
ebac4655 | 397 | |
972cfd25 | 398 | static char **ini_file; |
ebac4655 JA |
399 | static int max_jobs = MAX_JOBS; |
400 | ||
401 | struct thread_data def_thread; | |
402 | struct thread_data *threads = NULL; | |
403 | ||
404 | int rate_quit = 0; | |
ebac4655 | 405 | int exitall_on_terminate = 0; |
c6ae0a5b | 406 | int terse_output = 0; |
c04f7ec3 | 407 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
408 | FILE *f_out = NULL; |
409 | FILE *f_err = NULL; | |
ebac4655 | 410 | |
ec94ec56 JA |
411 | static int write_lat_log = DEF_WRITE_LAT_LOG; |
412 | static int write_bw_log = DEF_WRITE_BW_LOG; | |
413 | ||
906c8d75 JA |
414 | /* |
415 | * Return a free job structure. | |
416 | */ | |
ebac4655 JA |
417 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
418 | { | |
419 | struct thread_data *td; | |
420 | ||
421 | if (global) | |
422 | return &def_thread; | |
423 | if (thread_number >= max_jobs) | |
424 | return NULL; | |
425 | ||
426 | td = &threads[thread_number++]; | |
ddaeaa5a | 427 | *td = *parent; |
ebac4655 | 428 | |
ebac4655 | 429 | td->thread_number = thread_number; |
ebac4655 JA |
430 | return td; |
431 | } | |
432 | ||
433 | static void put_job(struct thread_data *td) | |
434 | { | |
549577a7 JA |
435 | if (td == &def_thread) |
436 | return; | |
437 | ||
ebac4655 JA |
438 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
439 | thread_number--; | |
440 | } | |
441 | ||
dad915e3 JA |
442 | /* |
443 | * Lazy way of fixing up options that depend on each other. We could also | |
444 | * define option callback handlers, but this is easier. | |
445 | */ | |
e1f36503 JA |
446 | static void fixup_options(struct thread_data *td) |
447 | { | |
e1f36503 JA |
448 | if (!td->rwmixread && td->rwmixwrite) |
449 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 450 | |
076efc7c JA |
451 | if (td->write_iolog_file && td->read_iolog_file) { |
452 | log_err("fio: read iolog overrides write_iolog\n"); | |
453 | free(td->write_iolog_file); | |
454 | td->write_iolog_file = NULL; | |
455 | } | |
16b462ae JA |
456 | |
457 | if (td->io_ops->flags & FIO_SYNCIO) | |
458 | td->iodepth = 1; | |
459 | else { | |
460 | if (!td->iodepth) | |
461 | td->iodepth = td->nr_files; | |
462 | } | |
463 | ||
464 | /* | |
465 | * only really works for sequential io for now, and with 1 file | |
466 | */ | |
467 | if (td->zone_size && !td->sequential && td->nr_files == 1) | |
468 | td->zone_size = 0; | |
469 | ||
470 | /* | |
471 | * Reads can do overwrites, we always need to pre-create the file | |
472 | */ | |
473 | if (td_read(td) || td_rw(td)) | |
474 | td->overwrite = 1; | |
475 | ||
476 | if (!td->min_bs) | |
477 | td->min_bs = td->bs; | |
478 | if (!td->max_bs) | |
479 | td->max_bs = td->bs; | |
480 | if (td_read(td) && !td_rw(td)) | |
481 | td->verify = 0; | |
e1f36503 JA |
482 | } |
483 | ||
906c8d75 JA |
484 | /* |
485 | * Adds a job to the list of things todo. Sanitizes the various options | |
486 | * to make sure we don't have conflicts, and initializes various | |
487 | * members of td. | |
488 | */ | |
75154845 | 489 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 490 | { |
3d60d1ed JA |
491 | char *ddir_str[] = { "read", "write", "randread", "randwrite", |
492 | "rw", NULL, "randrw" }; | |
ebac4655 | 493 | struct stat sb; |
53cdc686 JA |
494 | int numjobs, ddir, i; |
495 | struct fio_file *f; | |
ebac4655 JA |
496 | |
497 | #ifndef FIO_HAVE_LIBAIO | |
498 | if (td->io_engine == FIO_LIBAIO) { | |
3b70d7e5 | 499 | log_err("Linux libaio not available\n"); |
ebac4655 JA |
500 | return 1; |
501 | } | |
502 | #endif | |
503 | #ifndef FIO_HAVE_POSIXAIO | |
504 | if (td->io_engine == FIO_POSIXAIO) { | |
3b70d7e5 | 505 | log_err("posix aio not available\n"); |
ebac4655 JA |
506 | return 1; |
507 | } | |
508 | #endif | |
ebac4655 JA |
509 | |
510 | /* | |
511 | * the def_thread is just for options, it's not a real job | |
512 | */ | |
513 | if (td == &def_thread) | |
514 | return 0; | |
515 | ||
df64119d JA |
516 | /* |
517 | * Set default io engine, if none set | |
518 | */ | |
519 | if (!td->io_ops) { | |
520 | td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME); | |
521 | if (!td->io_ops) { | |
522 | log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME); | |
523 | return 1; | |
524 | } | |
525 | } | |
526 | ||
16b462ae | 527 | fixup_options(td); |
9cc935a1 | 528 | |
ebac4655 | 529 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
530 | if (!stat(jobname, &sb)) { |
531 | if (S_ISBLK(sb.st_mode)) | |
532 | td->filetype = FIO_TYPE_BD; | |
533 | else if (S_ISCHR(sb.st_mode)) | |
534 | td->filetype = FIO_TYPE_CHAR; | |
535 | } | |
ebac4655 | 536 | |
b2a15192 JA |
537 | if (td->odirect) |
538 | td->io_ops->flags |= FIO_RAWIO; | |
539 | ||
13f8e2d2 JA |
540 | if (td->filename) |
541 | td->nr_uniq_files = 1; | |
542 | else | |
543 | td->nr_uniq_files = td->nr_files; | |
544 | ||
545 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 546 | char tmp[PATH_MAX]; |
53cdc686 JA |
547 | int len = 0; |
548 | int i; | |
e9c047a0 | 549 | |
ef899b63 | 550 | if (td->directory && td->directory[0] != '\0') |
53cdc686 | 551 | sprintf(tmp, "%s/", td->directory); |
ebac4655 | 552 | |
53cdc686 JA |
553 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
554 | ||
555 | for_each_file(td, f, i) { | |
556 | memset(f, 0, sizeof(*f)); | |
557 | f->fd = -1; | |
558 | ||
13f8e2d2 JA |
559 | if (td->filename) |
560 | sprintf(tmp + len, "%s", td->filename); | |
561 | else | |
562 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
563 | f->file_name = strdup(tmp); |
564 | } | |
565 | } else { | |
566 | td->nr_files = 1; | |
567 | td->files = malloc(sizeof(struct fio_file)); | |
568 | f = &td->files[0]; | |
569 | ||
570 | memset(f, 0, sizeof(*f)); | |
571 | f->fd = -1; | |
572 | f->file_name = strdup(jobname); | |
573 | } | |
574 | ||
575 | for_each_file(td, f, i) { | |
576 | f->file_size = td->total_file_size / td->nr_files; | |
577 | f->file_offset = td->start_offset; | |
578 | } | |
579 | ||
bbfd6b00 | 580 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
581 | |
582 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
583 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
584 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
585 | ||
ebac4655 JA |
586 | if (td->stonewall && td->thread_number > 1) |
587 | groupid++; | |
588 | ||
589 | td->groupid = groupid; | |
590 | ||
591 | if (setup_rate(td)) | |
592 | goto err; | |
593 | ||
ec94ec56 | 594 | if (td->write_lat_log) { |
ebac4655 JA |
595 | setup_log(&td->slat_log); |
596 | setup_log(&td->clat_log); | |
597 | } | |
ec94ec56 | 598 | if (td->write_bw_log) |
ebac4655 JA |
599 | setup_log(&td->bw_log); |
600 | ||
b4692828 JA |
601 | if (!td->name) |
602 | td->name = strdup(jobname); | |
01452055 | 603 | |
3d60d1ed | 604 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 605 | |
c6ae0a5b | 606 | if (!terse_output) { |
b990b5c0 | 607 | if (!job_add_num) { |
2866c82d | 608 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
609 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
610 | else | |
2866c82d | 611 | fprintf(f_out, "%s: (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_ops->name, td->iodepth); |
b990b5c0 | 612 | } else if (job_add_num == 1) |
c6ae0a5b JA |
613 | fprintf(f_out, "...\n"); |
614 | } | |
ebac4655 JA |
615 | |
616 | /* | |
617 | * recurse add identical jobs, clear numjobs and stonewall options | |
618 | * as they don't apply to sub-jobs | |
619 | */ | |
620 | numjobs = td->numjobs; | |
621 | while (--numjobs) { | |
622 | struct thread_data *td_new = get_new_job(0, td); | |
623 | ||
624 | if (!td_new) | |
625 | goto err; | |
626 | ||
627 | td_new->numjobs = 1; | |
628 | td_new->stonewall = 0; | |
75154845 | 629 | job_add_num = numjobs - 1; |
ebac4655 | 630 | |
75154845 | 631 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
632 | goto err; |
633 | } | |
634 | return 0; | |
635 | err: | |
636 | put_job(td); | |
637 | return -1; | |
638 | } | |
639 | ||
906c8d75 JA |
640 | /* |
641 | * Initialize the various random states we need (random io, block size ranges, | |
642 | * read/write mix, etc). | |
643 | */ | |
ebac4655 JA |
644 | int init_random_state(struct thread_data *td) |
645 | { | |
a6ccc7be | 646 | unsigned long seeds[4]; |
53cdc686 | 647 | int fd, num_maps, blocks, i; |
0ab8db89 | 648 | struct fio_file *f; |
ebac4655 | 649 | |
f48b467c JA |
650 | if (td->io_ops->flags & FIO_CPUIO) |
651 | return 0; | |
652 | ||
1ac267bb | 653 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
654 | if (fd == -1) { |
655 | td_verror(td, errno); | |
656 | return 1; | |
657 | } | |
658 | ||
a6ccc7be | 659 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
660 | td_verror(td, EIO); |
661 | close(fd); | |
662 | return 1; | |
663 | } | |
664 | ||
665 | close(fd); | |
666 | ||
6dfd46b9 JA |
667 | os_random_seed(seeds[0], &td->bsrange_state); |
668 | os_random_seed(seeds[1], &td->verify_state); | |
669 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
670 | |
671 | if (td->sequential) | |
672 | return 0; | |
673 | ||
9ebc27e1 | 674 | if (td->rand_repeatable) |
a6ccc7be | 675 | seeds[3] = DEF_RANDSEED; |
ebac4655 | 676 | |
0ab8db89 | 677 | for_each_file(td, f, i) { |
53cdc686 JA |
678 | blocks = (f->file_size + td->min_bs - 1) / td->min_bs; |
679 | num_maps = blocks / BLOCKS_PER_MAP; | |
680 | f->file_map = malloc(num_maps * sizeof(long)); | |
681 | f->num_maps = num_maps; | |
682 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
683 | } | |
ebac4655 | 684 | |
6dfd46b9 | 685 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
686 | return 0; |
687 | } | |
688 | ||
689 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
690 | { | |
691 | #ifdef FIO_HAVE_CPU_AFFINITY | |
692 | unsigned int i; | |
693 | ||
694 | CPU_ZERO(&cpumask); | |
695 | ||
696 | for (i = 0; i < sizeof(int) * 8; i++) { | |
697 | if ((1 << i) & cpu) | |
698 | CPU_SET(i, &cpumask); | |
699 | } | |
700 | #endif | |
701 | } | |
702 | ||
ebac4655 JA |
703 | static int is_empty_or_comment(char *line) |
704 | { | |
705 | unsigned int i; | |
706 | ||
707 | for (i = 0; i < strlen(line); i++) { | |
708 | if (line[i] == ';') | |
709 | return 1; | |
710 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
711 | return 0; | |
712 | } | |
713 | ||
714 | return 1; | |
715 | } | |
716 | ||
b4692828 | 717 | static int str_rw_cb(void *data, const char *mem) |
ebac4655 | 718 | { |
cb2c86fd JA |
719 | struct thread_data *td = data; |
720 | ||
ebac4655 JA |
721 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
722 | td->ddir = DDIR_READ; | |
723 | td->sequential = 1; | |
724 | return 0; | |
725 | } else if (!strncmp(mem, "randread", 8)) { | |
726 | td->ddir = DDIR_READ; | |
727 | td->sequential = 0; | |
728 | return 0; | |
729 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
730 | td->ddir = DDIR_WRITE; | |
731 | td->sequential = 1; | |
732 | return 0; | |
733 | } else if (!strncmp(mem, "randwrite", 9)) { | |
734 | td->ddir = DDIR_WRITE; | |
735 | td->sequential = 0; | |
736 | return 0; | |
3d60d1ed JA |
737 | } else if (!strncmp(mem, "rw", 2)) { |
738 | td->ddir = 0; | |
739 | td->iomix = 1; | |
740 | td->sequential = 1; | |
741 | return 0; | |
742 | } else if (!strncmp(mem, "randrw", 6)) { | |
743 | td->ddir = 0; | |
744 | td->iomix = 1; | |
745 | td->sequential = 0; | |
746 | return 0; | |
ebac4655 JA |
747 | } |
748 | ||
3b70d7e5 | 749 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
750 | return 1; |
751 | } | |
752 | ||
b4692828 | 753 | static int str_verify_cb(void *data, const char *mem) |
ebac4655 | 754 | { |
cb2c86fd JA |
755 | struct thread_data *td = data; |
756 | ||
ebac4655 JA |
757 | if (!strncmp(mem, "0", 1)) { |
758 | td->verify = VERIFY_NONE; | |
759 | return 0; | |
760 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
761 | td->verify = VERIFY_MD5; | |
762 | return 0; | |
763 | } else if (!strncmp(mem, "crc32", 5)) { | |
764 | td->verify = VERIFY_CRC32; | |
765 | return 0; | |
766 | } | |
767 | ||
3b70d7e5 | 768 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
769 | return 1; |
770 | } | |
771 | ||
b4692828 | 772 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 773 | { |
cb2c86fd JA |
774 | struct thread_data *td = data; |
775 | ||
ebac4655 JA |
776 | if (!strncmp(mem, "malloc", 6)) { |
777 | td->mem_type = MEM_MALLOC; | |
778 | return 0; | |
779 | } else if (!strncmp(mem, "shm", 3)) { | |
780 | td->mem_type = MEM_SHM; | |
781 | return 0; | |
782 | } else if (!strncmp(mem, "mmap", 4)) { | |
783 | td->mem_type = MEM_MMAP; | |
784 | return 0; | |
785 | } | |
786 | ||
3b70d7e5 | 787 | log_err("fio: mem type: malloc, shm, mmap\n"); |
ebac4655 JA |
788 | return 1; |
789 | } | |
790 | ||
b4692828 | 791 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 792 | { |
cb2c86fd JA |
793 | struct thread_data *td = data; |
794 | ||
2866c82d JA |
795 | td->io_ops = load_ioengine(td, str); |
796 | if (td->io_ops) | |
b990b5c0 | 797 | return 0; |
ebac4655 | 798 | |
b990b5c0 | 799 | log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n"); |
ebac4655 JA |
800 | return 1; |
801 | } | |
802 | ||
e1f36503 JA |
803 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
804 | { | |
805 | mlock_size = *val; | |
806 | return 0; | |
807 | } | |
808 | ||
809 | static int str_prioclass_cb(void *data, unsigned int *val) | |
810 | { | |
811 | struct thread_data *td = data; | |
812 | ||
813 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
814 | return 0; | |
815 | } | |
816 | ||
817 | static int str_prio_cb(void *data, unsigned int *val) | |
818 | { | |
819 | struct thread_data *td = data; | |
820 | ||
821 | td->ioprio |= *val; | |
822 | return 0; | |
823 | } | |
824 | ||
825 | static int str_exitall_cb(void) | |
826 | { | |
827 | exitall_on_terminate = 1; | |
828 | return 0; | |
829 | } | |
830 | ||
831 | static int str_cpumask_cb(void *data, unsigned int *val) | |
832 | { | |
833 | struct thread_data *td = data; | |
834 | ||
835 | fill_cpu_mask(td->cpumask, *val); | |
836 | return 0; | |
837 | } | |
838 | ||
07261983 JA |
839 | /* |
840 | * This is our [ini] type file parser. | |
841 | */ | |
0c7e37a0 | 842 | int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 843 | { |
e1f36503 | 844 | unsigned int global; |
ebac4655 | 845 | struct thread_data *td; |
ef899b63 | 846 | char *string, *name, *tmpbuf; |
ebac4655 JA |
847 | fpos_t off; |
848 | FILE *f; | |
849 | char *p; | |
0c7e37a0 | 850 | int ret = 0, stonewall; |
ebac4655 JA |
851 | |
852 | f = fopen(file, "r"); | |
853 | if (!f) { | |
aea47d44 | 854 | perror("fopen job file"); |
ebac4655 JA |
855 | return 1; |
856 | } | |
857 | ||
858 | string = malloc(4096); | |
859 | name = malloc(256); | |
ef899b63 | 860 | tmpbuf = malloc(4096); |
ebac4655 | 861 | |
0c7e37a0 | 862 | stonewall = stonewall_flag; |
ebac4655 | 863 | while ((p = fgets(string, 4096, f)) != NULL) { |
45410acb JA |
864 | if (ret) |
865 | break; | |
ebac4655 JA |
866 | if (is_empty_or_comment(p)) |
867 | continue; | |
868 | if (sscanf(p, "[%s]", name) != 1) | |
869 | continue; | |
870 | ||
871 | global = !strncmp(name, "global", 6); | |
872 | ||
873 | name[strlen(name) - 1] = '\0'; | |
874 | ||
875 | td = get_new_job(global, &def_thread); | |
45410acb JA |
876 | if (!td) { |
877 | ret = 1; | |
878 | break; | |
879 | } | |
ebac4655 | 880 | |
972cfd25 JA |
881 | /* |
882 | * Seperate multiple job files by a stonewall | |
883 | */ | |
f9481919 | 884 | if (!global && stonewall) { |
972cfd25 JA |
885 | td->stonewall = stonewall; |
886 | stonewall = 0; | |
887 | } | |
888 | ||
ebac4655 JA |
889 | fgetpos(f, &off); |
890 | while ((p = fgets(string, 4096, f)) != NULL) { | |
891 | if (is_empty_or_comment(p)) | |
892 | continue; | |
893 | if (strstr(p, "[")) | |
894 | break; | |
e1f36503 | 895 | |
b6754f9d | 896 | strip_blank_front(&p); |
4ae3f763 | 897 | strip_blank_end(p); |
aea47d44 | 898 | |
e1f36503 | 899 | fgetpos(f, &off); |
ebac4655 | 900 | |
45410acb JA |
901 | /* |
902 | * Don't break here, continue parsing options so we | |
903 | * dump all the bad ones. Makes trial/error fixups | |
904 | * easier on the user. | |
905 | */ | |
e1f36503 | 906 | ret = parse_option(p, options, td); |
ebac4655 | 907 | } |
ebac4655 | 908 | |
45410acb JA |
909 | if (!ret) { |
910 | fsetpos(f, &off); | |
911 | ret = add_job(td, name, 0); | |
912 | } | |
913 | if (ret) | |
914 | break; | |
ebac4655 JA |
915 | } |
916 | ||
917 | free(string); | |
918 | free(name); | |
ef899b63 | 919 | free(tmpbuf); |
ebac4655 | 920 | fclose(f); |
45410acb | 921 | return ret; |
ebac4655 JA |
922 | } |
923 | ||
924 | static int fill_def_thread(void) | |
925 | { | |
926 | memset(&def_thread, 0, sizeof(def_thread)); | |
927 | ||
928 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
929 | perror("sched_getaffinity"); | |
930 | return 1; | |
931 | } | |
932 | ||
933 | /* | |
934 | * fill globals | |
935 | */ | |
936 | def_thread.ddir = DDIR_READ; | |
3d60d1ed | 937 | def_thread.iomix = 0; |
9ebc27e1 | 938 | def_thread.bs = DEF_BS; |
16b462ae JA |
939 | def_thread.min_bs = 0; |
940 | def_thread.max_bs = 0; | |
9ebc27e1 | 941 | def_thread.odirect = DEF_ODIRECT; |
ebac4655 | 942 | def_thread.ratecycle = DEF_RATE_CYCLE; |
9ebc27e1 | 943 | def_thread.sequential = DEF_SEQUENTIAL; |
972cfd25 | 944 | def_thread.timeout = def_timeout; |
ebac4655 JA |
945 | def_thread.overwrite = DEF_OVERWRITE; |
946 | def_thread.invalidate_cache = DEF_INVALIDATE; | |
947 | def_thread.sync_io = DEF_SYNCIO; | |
948 | def_thread.mem_type = MEM_MALLOC; | |
949 | def_thread.bw_avg_time = DEF_BWAVGTIME; | |
950 | def_thread.create_serialize = DEF_CREATE_SER; | |
951 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
952 | def_thread.loops = DEF_LOOPS; | |
953 | def_thread.verify = DEF_VERIFY; | |
954 | def_thread.stonewall = DEF_STONEWALL; | |
955 | def_thread.numjobs = DEF_NUMJOBS; | |
956 | def_thread.use_thread = DEF_USE_THREAD; | |
a6ccc7be JA |
957 | def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
958 | def_thread.rwmixread = DEF_RWMIX_READ; | |
b6f4d880 | 959 | def_thread.nice = DEF_NICE; |
9ebc27e1 | 960 | def_thread.rand_repeatable = DEF_RAND_REPEAT; |
53cdc686 | 961 | def_thread.nr_files = DEF_NR_FILES; |
f6cbb269 | 962 | def_thread.unlink = DEF_UNLINK; |
ec94ec56 JA |
963 | def_thread.write_bw_log = write_bw_log; |
964 | def_thread.write_lat_log = write_lat_log; | |
ebac4655 JA |
965 | #ifdef FIO_HAVE_DISK_UTIL |
966 | def_thread.do_disk_util = 1; | |
967 | #endif | |
968 | ||
969 | return 0; | |
970 | } | |
971 | ||
0ab8db89 | 972 | static void usage(void) |
4785f995 JA |
973 | { |
974 | printf("%s\n", fio_version_string); | |
b4692828 JA |
975 | printf("\t--output\tWrite output to file\n"); |
976 | printf("\t--timeout\tRuntime in seconds\n"); | |
977 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
978 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
979 | printf("\t--minimal\tMinimal (terse) output\n"); | |
980 | printf("\t--version\tPrint version info and exit\n"); | |
4785f995 JA |
981 | } |
982 | ||
972cfd25 | 983 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 984 | { |
b4692828 | 985 | struct thread_data *td = NULL; |
c2b1e753 | 986 | int c, ini_idx = 0, lidx, ret; |
ebac4655 | 987 | |
b4692828 | 988 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 989 | switch (c) { |
b4692828 JA |
990 | case 't': |
991 | def_timeout = atoi(optarg); | |
992 | break; | |
993 | case 'l': | |
994 | write_lat_log = 1; | |
995 | break; | |
996 | case 'w': | |
997 | write_bw_log = 1; | |
998 | break; | |
999 | case 'o': | |
1000 | f_out = fopen(optarg, "w+"); | |
1001 | if (!f_out) { | |
1002 | perror("fopen output"); | |
1003 | exit(1); | |
1004 | } | |
1005 | f_err = f_out; | |
1006 | break; | |
1007 | case 'm': | |
1008 | terse_output = 1; | |
1009 | break; | |
1010 | case 'h': | |
1011 | usage(); | |
1012 | exit(0); | |
1013 | case 'v': | |
1014 | printf("%s\n", fio_version_string); | |
1015 | exit(0); | |
1016 | case FIO_GETOPT_JOB: { | |
1017 | const char *opt = long_options[lidx].name; | |
1018 | char *val = optarg; | |
1019 | ||
c2b1e753 JA |
1020 | if (!strncmp(opt, "name", 4) && td) { |
1021 | ret = add_job(td, td->name ?: "fio", 0); | |
1022 | if (ret) { | |
1023 | put_job(td); | |
1024 | return 0; | |
1025 | } | |
1026 | td = NULL; | |
1027 | } | |
b4692828 | 1028 | if (!td) { |
38d0adb0 | 1029 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1030 | |
1031 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1032 | if (!td) |
1033 | return 0; | |
1034 | } | |
38d0adb0 JA |
1035 | |
1036 | parse_cmd_option(opt, val, options, td); | |
b4692828 JA |
1037 | break; |
1038 | } | |
1039 | default: | |
1040 | printf("optarg <<%s>>\n", argv[optind]); | |
1041 | break; | |
ebac4655 JA |
1042 | } |
1043 | } | |
c9fad893 | 1044 | |
b4692828 | 1045 | if (td) { |
c2b1e753 | 1046 | ret = add_job(td, td->name ?: "fio", 0); |
b4692828 JA |
1047 | if (ret) |
1048 | put_job(td); | |
972cfd25 | 1049 | } |
774a6177 | 1050 | |
b4692828 JA |
1051 | while (optind < argc) { |
1052 | ini_idx++; | |
1053 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1054 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1055 | optind++; | |
eb8bbf48 | 1056 | } |
972cfd25 JA |
1057 | |
1058 | return ini_idx; | |
ebac4655 JA |
1059 | } |
1060 | ||
1061 | static void free_shm(void) | |
1062 | { | |
1063 | struct shmid_ds sbuf; | |
1064 | ||
1065 | if (threads) { | |
2c0ecd28 | 1066 | shmdt((void *) threads); |
ebac4655 JA |
1067 | threads = NULL; |
1068 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1069 | } | |
1070 | } | |
1071 | ||
906c8d75 JA |
1072 | /* |
1073 | * The thread area is shared between the main process and the job | |
1074 | * threads/processes. So setup a shared memory segment that will hold | |
1075 | * all the job info. | |
1076 | */ | |
ebac4655 JA |
1077 | static int setup_thread_area(void) |
1078 | { | |
1079 | /* | |
1080 | * 1024 is too much on some machines, scale max_jobs if | |
1081 | * we get a failure that looks like too large a shm segment | |
1082 | */ | |
1083 | do { | |
906c8d75 | 1084 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1085 | |
906c8d75 | 1086 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1087 | if (shm_id != -1) |
1088 | break; | |
1089 | if (errno != EINVAL) { | |
1090 | perror("shmget"); | |
1091 | break; | |
1092 | } | |
1093 | ||
1094 | max_jobs >>= 1; | |
1095 | } while (max_jobs); | |
1096 | ||
1097 | if (shm_id == -1) | |
1098 | return 1; | |
1099 | ||
1100 | threads = shmat(shm_id, NULL, 0); | |
1101 | if (threads == (void *) -1) { | |
1102 | perror("shmat"); | |
1103 | return 1; | |
1104 | } | |
1105 | ||
1106 | atexit(free_shm); | |
1107 | return 0; | |
1108 | } | |
1109 | ||
b4692828 JA |
1110 | /* |
1111 | * Copy the fio options into the long options map, so we mirror | |
1112 | * job and cmd line options. | |
1113 | */ | |
1114 | static void dupe_job_options(void) | |
1115 | { | |
1116 | struct fio_option *o; | |
1117 | unsigned int i; | |
1118 | ||
1119 | i = 0; | |
1120 | while (long_options[i].name) | |
1121 | i++; | |
1122 | ||
1123 | o = &options[0]; | |
1124 | while (o->name) { | |
1125 | long_options[i].name = o->name; | |
1126 | long_options[i].val = FIO_GETOPT_JOB; | |
1127 | if (o->type == FIO_OPT_STR_SET) | |
1128 | long_options[i].has_arg = no_argument; | |
1129 | else | |
1130 | long_options[i].has_arg = required_argument; | |
1131 | ||
1132 | i++; | |
1133 | o++; | |
1134 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1135 | } | |
1136 | } | |
1137 | ||
ebac4655 JA |
1138 | int parse_options(int argc, char *argv[]) |
1139 | { | |
972cfd25 JA |
1140 | int job_files, i; |
1141 | ||
b4692828 JA |
1142 | f_out = stdout; |
1143 | f_err = stderr; | |
1144 | ||
1145 | dupe_job_options(); | |
1146 | ||
ebac4655 JA |
1147 | if (setup_thread_area()) |
1148 | return 1; | |
1149 | if (fill_def_thread()) | |
1150 | return 1; | |
1151 | ||
972cfd25 | 1152 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1153 | |
972cfd25 JA |
1154 | for (i = 0; i < job_files; i++) { |
1155 | if (fill_def_thread()) | |
1156 | return 1; | |
0c7e37a0 | 1157 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1158 | return 1; |
88c6ed80 | 1159 | free(ini_file[i]); |
972cfd25 | 1160 | } |
ebac4655 | 1161 | |
88c6ed80 | 1162 | free(ini_file); |
b4692828 JA |
1163 | |
1164 | if (!thread_number) { | |
1165 | log_err("No jobs defined(s)\n"); | |
1166 | usage(); | |
1167 | return 1; | |
1168 | } | |
1169 | ||
ebac4655 JA |
1170 | return 0; |
1171 | } |