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) | |
178d11f2 | 32 | #define DEF_OVERWRITE (0) |
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) |
178d11f2 | 51 | #define DEF_UNLINK (1) |
ec94ec56 JA |
52 | #define DEF_WRITE_BW_LOG (0) |
53 | #define DEF_WRITE_LAT_LOG (0) | |
bb8895e0 | 54 | #define DEF_NO_RAND_MAP (0) |
56bb17f2 | 55 | #define DEF_HUGEPAGE_SIZE FIO_HUGE_PAGE |
ebac4655 | 56 | |
e1f36503 JA |
57 | #define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) |
58 | ||
b4692828 JA |
59 | static int str_rw_cb(void *, const char *); |
60 | static int str_ioengine_cb(void *, const char *); | |
61 | static int str_mem_cb(void *, const char *); | |
62 | static int str_verify_cb(void *, const char *); | |
e1f36503 | 63 | static int str_lockmem_cb(void *, unsigned long *); |
34cfcdaf | 64 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
65 | static int str_prio_cb(void *, unsigned int *); |
66 | static int str_prioclass_cb(void *, unsigned int *); | |
34cfcdaf | 67 | #endif |
e1f36503 JA |
68 | static int str_exitall_cb(void); |
69 | static int str_cpumask_cb(void *, unsigned int *); | |
70 | ||
71 | /* | |
72 | * Map of job/command line options | |
73 | */ | |
74 | static struct fio_option options[] = { | |
75 | { | |
76 | .name = "name", | |
77 | .type = FIO_OPT_STR_STORE, | |
78 | .off1 = td_var_offset(name), | |
79 | }, | |
80 | { | |
81 | .name = "directory", | |
82 | .type = FIO_OPT_STR_STORE, | |
83 | .off1 = td_var_offset(directory), | |
84 | }, | |
85 | { | |
86 | .name = "filename", | |
87 | .type = FIO_OPT_STR_STORE, | |
88 | .off1 = td_var_offset(filename), | |
89 | }, | |
90 | { | |
91 | .name = "rw", | |
92 | .type = FIO_OPT_STR, | |
93 | .cb = str_rw_cb, | |
94 | }, | |
95 | { | |
96 | .name = "ioengine", | |
97 | .type = FIO_OPT_STR, | |
98 | .cb = str_ioengine_cb, | |
99 | }, | |
100 | { | |
101 | .name = "mem", | |
102 | .type = FIO_OPT_STR, | |
103 | .cb = str_mem_cb, | |
104 | }, | |
105 | { | |
106 | .name = "verify", | |
107 | .type = FIO_OPT_STR, | |
108 | .cb = str_verify_cb, | |
109 | }, | |
110 | { | |
111 | .name = "write_iolog", | |
076efc7c JA |
112 | .type = FIO_OPT_STR_STORE, |
113 | .off1 = td_var_offset(write_iolog_file), | |
e1f36503 JA |
114 | }, |
115 | { | |
076efc7c | 116 | .name = "read_iolog", |
e1f36503 | 117 | .type = FIO_OPT_STR_STORE, |
076efc7c | 118 | .off1 = td_var_offset(read_iolog_file), |
e1f36503 JA |
119 | }, |
120 | { | |
121 | .name = "exec_prerun", | |
122 | .type = FIO_OPT_STR_STORE, | |
123 | .off1 = td_var_offset(exec_prerun), | |
124 | }, | |
125 | { | |
126 | .name = "exec_postrun", | |
127 | .type = FIO_OPT_STR_STORE, | |
128 | .off1 = td_var_offset(exec_postrun), | |
129 | }, | |
130 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
131 | { | |
132 | .name = "ioscheduler", | |
133 | .type = FIO_OPT_STR_STORE, | |
134 | .off1 = td_var_offset(ioscheduler), | |
135 | }, | |
136 | #endif | |
137 | { | |
138 | .name = "size", | |
139 | .type = FIO_OPT_STR_VAL, | |
140 | .off1 = td_var_offset(total_file_size), | |
141 | }, | |
142 | { | |
143 | .name = "bs", | |
75e6f36f | 144 | .type = FIO_OPT_STR_VAL_INT, |
a00735e6 | 145 | .off1 = td_var_offset(bs[DDIR_READ]), |
f90eff5a | 146 | .off2 = td_var_offset(bs[DDIR_WRITE]), |
e1f36503 JA |
147 | }, |
148 | { | |
149 | .name = "offset", | |
150 | .type = FIO_OPT_STR_VAL, | |
151 | .off1 = td_var_offset(start_offset), | |
152 | }, | |
153 | { | |
154 | .name = "zonesize", | |
155 | .type = FIO_OPT_STR_VAL, | |
156 | .off1 = td_var_offset(zone_size), | |
157 | }, | |
158 | { | |
159 | .name = "zoneskip", | |
160 | .type = FIO_OPT_STR_VAL, | |
161 | .off1 = td_var_offset(zone_skip), | |
162 | }, | |
163 | { | |
164 | .name = "lockmem", | |
165 | .type = FIO_OPT_STR_VAL, | |
166 | .cb = str_lockmem_cb, | |
167 | }, | |
168 | { | |
169 | .name = "bsrange", | |
170 | .type = FIO_OPT_RANGE, | |
a00735e6 JA |
171 | .off1 = td_var_offset(min_bs[DDIR_READ]), |
172 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
f90eff5a JA |
173 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), |
174 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
e1f36503 JA |
175 | }, |
176 | { | |
177 | .name = "nrfiles", | |
178 | .type = FIO_OPT_INT, | |
179 | .off1 = td_var_offset(nr_files), | |
180 | }, | |
181 | { | |
182 | .name = "iodepth", | |
183 | .type = FIO_OPT_INT, | |
184 | .off1 = td_var_offset(iodepth), | |
185 | }, | |
186 | { | |
187 | .name = "fsync", | |
188 | .type = FIO_OPT_INT, | |
189 | .off1 = td_var_offset(fsync_blocks), | |
190 | }, | |
191 | { | |
192 | .name = "rwmixcycle", | |
193 | .type = FIO_OPT_INT, | |
194 | .off1 = td_var_offset(rwmixcycle), | |
195 | }, | |
196 | { | |
197 | .name = "rwmixread", | |
198 | .type = FIO_OPT_INT, | |
199 | .off1 = td_var_offset(rwmixread), | |
200 | .max_val= 100, | |
201 | }, | |
202 | { | |
203 | .name = "rwmixwrite", | |
204 | .type = FIO_OPT_INT, | |
205 | .off1 = td_var_offset(rwmixwrite), | |
206 | .max_val= 100, | |
207 | }, | |
208 | { | |
209 | .name = "nice", | |
210 | .type = FIO_OPT_INT, | |
211 | .off1 = td_var_offset(nice), | |
212 | }, | |
213 | #ifdef FIO_HAVE_IOPRIO | |
214 | { | |
215 | .name = "prio", | |
216 | .type = FIO_OPT_INT, | |
217 | .cb = str_prio_cb, | |
218 | }, | |
219 | { | |
220 | .name = "prioclass", | |
221 | .type = FIO_OPT_INT, | |
222 | .cb = str_prioclass_cb, | |
223 | }, | |
224 | #endif | |
225 | { | |
226 | .name = "thinktime", | |
227 | .type = FIO_OPT_INT, | |
228 | .off1 = td_var_offset(thinktime) | |
229 | }, | |
230 | { | |
231 | .name = "rate", | |
232 | .type = FIO_OPT_INT, | |
233 | .off1 = td_var_offset(rate) | |
234 | }, | |
235 | { | |
236 | .name = "ratemin", | |
237 | .type = FIO_OPT_INT, | |
238 | .off1 = td_var_offset(ratemin) | |
239 | }, | |
240 | { | |
241 | .name = "ratecycle", | |
242 | .type = FIO_OPT_INT, | |
243 | .off1 = td_var_offset(ratecycle) | |
244 | }, | |
245 | { | |
246 | .name = "startdelay", | |
247 | .type = FIO_OPT_INT, | |
248 | .off1 = td_var_offset(start_delay) | |
249 | }, | |
250 | { | |
251 | .name = "timeout", | |
252 | .type = FIO_OPT_STR_VAL_TIME, | |
253 | .off1 = td_var_offset(timeout) | |
254 | }, | |
255 | { | |
256 | .name = "invalidate", | |
257 | .type = FIO_OPT_INT, | |
258 | .off1 = td_var_offset(invalidate_cache) | |
259 | }, | |
260 | { | |
261 | .name = "sync", | |
262 | .type = FIO_OPT_INT, | |
263 | .off1 = td_var_offset(sync_io) | |
264 | }, | |
265 | { | |
266 | .name = "bwavgtime", | |
267 | .type = FIO_OPT_INT, | |
268 | .off1 = td_var_offset(bw_avg_time) | |
269 | }, | |
270 | { | |
271 | .name = "create_serialize", | |
272 | .type = FIO_OPT_INT, | |
273 | .off1 = td_var_offset(create_serialize) | |
274 | }, | |
275 | { | |
276 | .name = "create_fsync", | |
277 | .type = FIO_OPT_INT, | |
278 | .off1 = td_var_offset(create_fsync) | |
279 | }, | |
280 | { | |
281 | .name = "loops", | |
282 | .type = FIO_OPT_INT, | |
283 | .off1 = td_var_offset(loops) | |
284 | }, | |
285 | { | |
286 | .name = "numjobs", | |
287 | .type = FIO_OPT_INT, | |
288 | .off1 = td_var_offset(numjobs) | |
289 | }, | |
290 | { | |
291 | .name = "cpuload", | |
292 | .type = FIO_OPT_INT, | |
293 | .off1 = td_var_offset(cpuload) | |
294 | }, | |
295 | { | |
296 | .name = "cpuchunks", | |
297 | .type = FIO_OPT_INT, | |
298 | .off1 = td_var_offset(cpucycle) | |
299 | }, | |
300 | { | |
301 | .name = "direct", | |
302 | .type = FIO_OPT_INT, | |
303 | .off1 = td_var_offset(odirect) | |
304 | }, | |
305 | { | |
306 | .name = "overwrite", | |
307 | .type = FIO_OPT_INT, | |
308 | .off1 = td_var_offset(overwrite) | |
309 | }, | |
310 | #ifdef FIO_HAVE_CPU_AFFINITY | |
311 | { | |
312 | .name = "cpumask", | |
313 | .type = FIO_OPT_INT, | |
314 | .cb = str_cpumask_cb, | |
315 | }, | |
316 | #endif | |
317 | { | |
318 | .name = "end_fsync", | |
319 | .type = FIO_OPT_INT, | |
320 | .off1 = td_var_offset(end_fsync) | |
321 | }, | |
322 | { | |
323 | .name = "unlink", | |
324 | .type = FIO_OPT_STR_SET, | |
325 | .off1 = td_var_offset(unlink), | |
326 | }, | |
327 | { | |
328 | .name = "exitall", | |
329 | .type = FIO_OPT_STR_SET, | |
330 | .cb = str_exitall_cb, | |
331 | }, | |
332 | { | |
333 | .name = "stonewall", | |
334 | .type = FIO_OPT_STR_SET, | |
335 | .off1 = td_var_offset(stonewall), | |
336 | }, | |
337 | { | |
338 | .name = "thread", | |
339 | .type = FIO_OPT_STR_SET, | |
340 | .off1 = td_var_offset(thread), | |
341 | }, | |
342 | { | |
343 | .name = "write_bw_log", | |
344 | .type = FIO_OPT_STR_SET, | |
345 | .off1 = td_var_offset(write_bw_log), | |
346 | }, | |
347 | { | |
348 | .name = "write_lat_log", | |
349 | .type = FIO_OPT_STR_SET, | |
350 | .off1 = td_var_offset(write_lat_log), | |
351 | }, | |
bb8895e0 JA |
352 | { |
353 | .name = "norandommap", | |
354 | .type = FIO_OPT_STR_SET, | |
355 | .off1 = td_var_offset(norandommap), | |
356 | }, | |
690adba3 JA |
357 | { |
358 | .name = "bs_unaligned", | |
359 | .type = FIO_OPT_STR_SET, | |
360 | .off1 = td_var_offset(bs_unaligned), | |
361 | }, | |
56bb17f2 JA |
362 | { |
363 | .name = "hugepage-size", | |
364 | .type = FIO_OPT_STR_VAL, | |
365 | .off1 = td_var_offset(hugepage_size), | |
366 | }, | |
e1f36503 JA |
367 | { |
368 | .name = NULL, | |
369 | }, | |
370 | }; | |
371 | ||
b4692828 JA |
372 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
373 | #define FIO_CMD_OPTS (16) | |
374 | #define FIO_GETOPT_JOB (0x89988998) | |
375 | ||
376 | /* | |
377 | * Command line options. These will contain the above, plus a few | |
378 | * extra that only pertain to fio itself and not jobs. | |
379 | */ | |
380 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
381 | { | |
382 | .name = "output", | |
383 | .has_arg = required_argument, | |
384 | .val = 'o', | |
385 | }, | |
386 | { | |
387 | .name = "timeout", | |
388 | .has_arg = required_argument, | |
389 | .val = 't', | |
390 | }, | |
391 | { | |
392 | .name = "latency-log", | |
393 | .has_arg = required_argument, | |
394 | .val = 'l', | |
395 | }, | |
396 | { | |
397 | .name = "bandwidth-log", | |
398 | .has_arg = required_argument, | |
399 | .val = 'b', | |
400 | }, | |
401 | { | |
402 | .name = "minimal", | |
403 | .has_arg = optional_argument, | |
404 | .val = 'm', | |
405 | }, | |
406 | { | |
407 | .name = "version", | |
408 | .has_arg = no_argument, | |
409 | .val = 'v', | |
410 | }, | |
411 | { | |
412 | .name = NULL, | |
413 | }, | |
414 | }; | |
415 | ||
972cfd25 | 416 | static int def_timeout = DEF_TIMEOUT; |
972cfd25 | 417 | |
63c06698 | 418 | static char fio_version_string[] = "fio 1.10"; |
ebac4655 | 419 | |
972cfd25 | 420 | static char **ini_file; |
ebac4655 JA |
421 | static int max_jobs = MAX_JOBS; |
422 | ||
423 | struct thread_data def_thread; | |
424 | struct thread_data *threads = NULL; | |
425 | ||
ebac4655 | 426 | int exitall_on_terminate = 0; |
c6ae0a5b | 427 | int terse_output = 0; |
c04f7ec3 | 428 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
429 | FILE *f_out = NULL; |
430 | FILE *f_err = NULL; | |
ebac4655 | 431 | |
ec94ec56 JA |
432 | static int write_lat_log = DEF_WRITE_LAT_LOG; |
433 | static int write_bw_log = DEF_WRITE_BW_LOG; | |
434 | ||
906c8d75 JA |
435 | /* |
436 | * Return a free job structure. | |
437 | */ | |
ebac4655 JA |
438 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
439 | { | |
440 | struct thread_data *td; | |
441 | ||
442 | if (global) | |
443 | return &def_thread; | |
444 | if (thread_number >= max_jobs) | |
445 | return NULL; | |
446 | ||
447 | td = &threads[thread_number++]; | |
ddaeaa5a | 448 | *td = *parent; |
ebac4655 | 449 | |
ebac4655 | 450 | td->thread_number = thread_number; |
ebac4655 JA |
451 | return td; |
452 | } | |
453 | ||
454 | static void put_job(struct thread_data *td) | |
455 | { | |
549577a7 JA |
456 | if (td == &def_thread) |
457 | return; | |
458 | ||
ebac4655 JA |
459 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
460 | thread_number--; | |
461 | } | |
462 | ||
dad915e3 JA |
463 | /* |
464 | * Lazy way of fixing up options that depend on each other. We could also | |
465 | * define option callback handlers, but this is easier. | |
466 | */ | |
e1f36503 JA |
467 | static void fixup_options(struct thread_data *td) |
468 | { | |
e1f36503 JA |
469 | if (!td->rwmixread && td->rwmixwrite) |
470 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 471 | |
076efc7c JA |
472 | if (td->write_iolog_file && td->read_iolog_file) { |
473 | log_err("fio: read iolog overrides write_iolog\n"); | |
474 | free(td->write_iolog_file); | |
475 | td->write_iolog_file = NULL; | |
476 | } | |
16b462ae JA |
477 | |
478 | if (td->io_ops->flags & FIO_SYNCIO) | |
479 | td->iodepth = 1; | |
480 | else { | |
481 | if (!td->iodepth) | |
482 | td->iodepth = td->nr_files; | |
483 | } | |
484 | ||
485 | /* | |
486 | * only really works for sequential io for now, and with 1 file | |
487 | */ | |
488 | if (td->zone_size && !td->sequential && td->nr_files == 1) | |
489 | td->zone_size = 0; | |
490 | ||
491 | /* | |
492 | * Reads can do overwrites, we always need to pre-create the file | |
493 | */ | |
494 | if (td_read(td) || td_rw(td)) | |
495 | td->overwrite = 1; | |
496 | ||
a00735e6 JA |
497 | if (!td->min_bs[DDIR_READ]) |
498 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
499 | if (!td->max_bs[DDIR_READ]) | |
500 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
501 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 502 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 503 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 504 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
505 | |
506 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
507 | ||
16b462ae JA |
508 | if (td_read(td) && !td_rw(td)) |
509 | td->verify = 0; | |
bb8895e0 JA |
510 | |
511 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
512 | log_err("fio: norandommap given, verify disabled\n"); | |
513 | td->verify = VERIFY_NONE; | |
514 | } | |
690adba3 JA |
515 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
516 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
517 | |
518 | /* | |
519 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
520 | */ | |
521 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
522 | td->odirect = 0; | |
e1f36503 JA |
523 | } |
524 | ||
f8977ee6 JA |
525 | /* |
526 | * This function leaks the buffer | |
527 | */ | |
528 | static char *to_kmg(unsigned int val) | |
529 | { | |
530 | char *buf = malloc(32); | |
245142ff | 531 | char post[] = { 0, 'K', 'M', 'G', 'P', 0 }; |
f8977ee6 JA |
532 | char *p = post; |
533 | ||
245142ff | 534 | do { |
f8977ee6 JA |
535 | if (val & 1023) |
536 | break; | |
537 | ||
538 | val >>= 10; | |
539 | p++; | |
245142ff | 540 | } while (*p); |
f8977ee6 JA |
541 | |
542 | snprintf(buf, 31, "%u%c", val, *p); | |
543 | return buf; | |
544 | } | |
545 | ||
906c8d75 JA |
546 | /* |
547 | * Adds a job to the list of things todo. Sanitizes the various options | |
548 | * to make sure we don't have conflicts, and initializes various | |
549 | * members of td. | |
550 | */ | |
75154845 | 551 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 552 | { |
3c9b60c1 JA |
553 | const char *ddir_str[] = { "read", "write", "randread", "randwrite", |
554 | "rw", NULL, "randrw" }; | |
ebac4655 | 555 | struct stat sb; |
53cdc686 JA |
556 | int numjobs, ddir, i; |
557 | struct fio_file *f; | |
ebac4655 | 558 | |
ebac4655 JA |
559 | /* |
560 | * the def_thread is just for options, it's not a real job | |
561 | */ | |
562 | if (td == &def_thread) | |
563 | return 0; | |
564 | ||
df64119d JA |
565 | /* |
566 | * Set default io engine, if none set | |
567 | */ | |
568 | if (!td->io_ops) { | |
569 | td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME); | |
570 | if (!td->io_ops) { | |
571 | log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME); | |
572 | return 1; | |
573 | } | |
574 | } | |
575 | ||
690adba3 JA |
576 | if (td->odirect) |
577 | td->io_ops->flags |= FIO_RAWIO; | |
578 | ||
ebac4655 | 579 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
580 | if (!stat(jobname, &sb)) { |
581 | if (S_ISBLK(sb.st_mode)) | |
582 | td->filetype = FIO_TYPE_BD; | |
583 | else if (S_ISCHR(sb.st_mode)) | |
584 | td->filetype = FIO_TYPE_CHAR; | |
585 | } | |
ebac4655 | 586 | |
e0a22335 JA |
587 | fixup_options(td); |
588 | ||
13f8e2d2 JA |
589 | if (td->filename) |
590 | td->nr_uniq_files = 1; | |
591 | else | |
592 | td->nr_uniq_files = td->nr_files; | |
593 | ||
594 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 595 | char tmp[PATH_MAX]; |
53cdc686 | 596 | int len = 0; |
e9c047a0 | 597 | |
ef899b63 | 598 | if (td->directory && td->directory[0] != '\0') |
53cdc686 | 599 | sprintf(tmp, "%s/", td->directory); |
ebac4655 | 600 | |
53cdc686 JA |
601 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
602 | ||
603 | for_each_file(td, f, i) { | |
604 | memset(f, 0, sizeof(*f)); | |
605 | f->fd = -1; | |
606 | ||
13f8e2d2 JA |
607 | if (td->filename) |
608 | sprintf(tmp + len, "%s", td->filename); | |
609 | else | |
610 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
611 | f->file_name = strdup(tmp); |
612 | } | |
613 | } else { | |
614 | td->nr_files = 1; | |
615 | td->files = malloc(sizeof(struct fio_file)); | |
616 | f = &td->files[0]; | |
617 | ||
618 | memset(f, 0, sizeof(*f)); | |
619 | f->fd = -1; | |
620 | f->file_name = strdup(jobname); | |
621 | } | |
622 | ||
623 | for_each_file(td, f, i) { | |
624 | f->file_size = td->total_file_size / td->nr_files; | |
625 | f->file_offset = td->start_offset; | |
626 | } | |
627 | ||
bbfd6b00 | 628 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
629 | |
630 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
631 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
632 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
633 | ||
ebac4655 JA |
634 | if (td->stonewall && td->thread_number > 1) |
635 | groupid++; | |
636 | ||
637 | td->groupid = groupid; | |
638 | ||
639 | if (setup_rate(td)) | |
640 | goto err; | |
641 | ||
ec94ec56 | 642 | if (td->write_lat_log) { |
ebac4655 JA |
643 | setup_log(&td->slat_log); |
644 | setup_log(&td->clat_log); | |
645 | } | |
ec94ec56 | 646 | if (td->write_bw_log) |
ebac4655 JA |
647 | setup_log(&td->bw_log); |
648 | ||
b4692828 JA |
649 | if (!td->name) |
650 | td->name = strdup(jobname); | |
01452055 | 651 | |
3d60d1ed | 652 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 653 | |
c6ae0a5b | 654 | if (!terse_output) { |
b990b5c0 | 655 | if (!job_add_num) { |
2866c82d | 656 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 | 657 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
658 | else { |
659 | char *c1, *c2, *c3, *c4; | |
660 | ||
661 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
662 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
663 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
664 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
665 | ||
1e97cce9 | 666 | fprintf(f_out, "%s: (g=%d): rw=%s, odir=%u, bs=%s-%s/%s-%s, rate=%u, ioengine=%s, iodepth=%u\n", td->name, td->groupid, ddir_str[ddir], td->odirect, c1, c2, c3, c4, td->rate, td->io_ops->name, td->iodepth); |
f8977ee6 JA |
667 | |
668 | free(c1); | |
669 | free(c2); | |
670 | free(c3); | |
671 | free(c4); | |
672 | } | |
b990b5c0 | 673 | } else if (job_add_num == 1) |
c6ae0a5b JA |
674 | fprintf(f_out, "...\n"); |
675 | } | |
ebac4655 JA |
676 | |
677 | /* | |
678 | * recurse add identical jobs, clear numjobs and stonewall options | |
679 | * as they don't apply to sub-jobs | |
680 | */ | |
681 | numjobs = td->numjobs; | |
682 | while (--numjobs) { | |
683 | struct thread_data *td_new = get_new_job(0, td); | |
684 | ||
685 | if (!td_new) | |
686 | goto err; | |
687 | ||
688 | td_new->numjobs = 1; | |
689 | td_new->stonewall = 0; | |
75154845 | 690 | job_add_num = numjobs - 1; |
ebac4655 | 691 | |
75154845 | 692 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
693 | goto err; |
694 | } | |
695 | return 0; | |
696 | err: | |
697 | put_job(td); | |
698 | return -1; | |
699 | } | |
700 | ||
906c8d75 JA |
701 | /* |
702 | * Initialize the various random states we need (random io, block size ranges, | |
703 | * read/write mix, etc). | |
704 | */ | |
ebac4655 JA |
705 | int init_random_state(struct thread_data *td) |
706 | { | |
a6ccc7be | 707 | unsigned long seeds[4]; |
53cdc686 | 708 | int fd, num_maps, blocks, i; |
0ab8db89 | 709 | struct fio_file *f; |
ebac4655 | 710 | |
f48b467c JA |
711 | if (td->io_ops->flags & FIO_CPUIO) |
712 | return 0; | |
713 | ||
1ac267bb | 714 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
715 | if (fd == -1) { |
716 | td_verror(td, errno); | |
717 | return 1; | |
718 | } | |
719 | ||
a6ccc7be | 720 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
721 | td_verror(td, EIO); |
722 | close(fd); | |
723 | return 1; | |
724 | } | |
725 | ||
726 | close(fd); | |
727 | ||
6dfd46b9 JA |
728 | os_random_seed(seeds[0], &td->bsrange_state); |
729 | os_random_seed(seeds[1], &td->verify_state); | |
730 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
731 | |
732 | if (td->sequential) | |
733 | return 0; | |
734 | ||
9ebc27e1 | 735 | if (td->rand_repeatable) |
a6ccc7be | 736 | seeds[3] = DEF_RANDSEED; |
ebac4655 | 737 | |
bb8895e0 JA |
738 | if (!td->norandommap) { |
739 | for_each_file(td, f, i) { | |
a00735e6 | 740 | blocks = (f->file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 741 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
742 | f->file_map = malloc(num_maps * sizeof(long)); |
743 | f->num_maps = num_maps; | |
744 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
745 | } | |
53cdc686 | 746 | } |
ebac4655 | 747 | |
6dfd46b9 | 748 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
749 | return 0; |
750 | } | |
751 | ||
752 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
753 | { | |
754 | #ifdef FIO_HAVE_CPU_AFFINITY | |
755 | unsigned int i; | |
756 | ||
757 | CPU_ZERO(&cpumask); | |
758 | ||
759 | for (i = 0; i < sizeof(int) * 8; i++) { | |
760 | if ((1 << i) & cpu) | |
761 | CPU_SET(i, &cpumask); | |
762 | } | |
763 | #endif | |
764 | } | |
765 | ||
ebac4655 JA |
766 | static int is_empty_or_comment(char *line) |
767 | { | |
768 | unsigned int i; | |
769 | ||
770 | for (i = 0; i < strlen(line); i++) { | |
771 | if (line[i] == ';') | |
772 | return 1; | |
773 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
774 | return 0; | |
775 | } | |
776 | ||
777 | return 1; | |
778 | } | |
779 | ||
b4692828 | 780 | static int str_rw_cb(void *data, const char *mem) |
ebac4655 | 781 | { |
cb2c86fd JA |
782 | struct thread_data *td = data; |
783 | ||
ebac4655 JA |
784 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
785 | td->ddir = DDIR_READ; | |
786 | td->sequential = 1; | |
787 | return 0; | |
788 | } else if (!strncmp(mem, "randread", 8)) { | |
789 | td->ddir = DDIR_READ; | |
790 | td->sequential = 0; | |
791 | return 0; | |
792 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
793 | td->ddir = DDIR_WRITE; | |
794 | td->sequential = 1; | |
795 | return 0; | |
796 | } else if (!strncmp(mem, "randwrite", 9)) { | |
797 | td->ddir = DDIR_WRITE; | |
798 | td->sequential = 0; | |
799 | return 0; | |
3d60d1ed | 800 | } else if (!strncmp(mem, "rw", 2)) { |
1e97cce9 | 801 | td->ddir = DDIR_READ; |
3d60d1ed JA |
802 | td->iomix = 1; |
803 | td->sequential = 1; | |
804 | return 0; | |
805 | } else if (!strncmp(mem, "randrw", 6)) { | |
1e97cce9 | 806 | td->ddir = DDIR_READ; |
3d60d1ed JA |
807 | td->iomix = 1; |
808 | td->sequential = 0; | |
809 | return 0; | |
ebac4655 JA |
810 | } |
811 | ||
3b70d7e5 | 812 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
813 | return 1; |
814 | } | |
815 | ||
b4692828 | 816 | static int str_verify_cb(void *data, const char *mem) |
ebac4655 | 817 | { |
cb2c86fd JA |
818 | struct thread_data *td = data; |
819 | ||
ebac4655 JA |
820 | if (!strncmp(mem, "0", 1)) { |
821 | td->verify = VERIFY_NONE; | |
822 | return 0; | |
823 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
824 | td->verify = VERIFY_MD5; | |
825 | return 0; | |
826 | } else if (!strncmp(mem, "crc32", 5)) { | |
827 | td->verify = VERIFY_CRC32; | |
828 | return 0; | |
829 | } | |
830 | ||
3b70d7e5 | 831 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
832 | return 1; |
833 | } | |
834 | ||
313cb206 JA |
835 | /* |
836 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
837 | */ | |
838 | static char *get_mmap_file(const char *str) | |
839 | { | |
840 | char *p = strstr(str, ":"); | |
841 | ||
842 | if (!p) | |
843 | return NULL; | |
844 | ||
845 | p++; | |
846 | strip_blank_front(&p); | |
847 | strip_blank_end(p); | |
848 | return strdup(p); | |
849 | } | |
850 | ||
b4692828 | 851 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 852 | { |
cb2c86fd JA |
853 | struct thread_data *td = data; |
854 | ||
ebac4655 JA |
855 | if (!strncmp(mem, "malloc", 6)) { |
856 | td->mem_type = MEM_MALLOC; | |
857 | return 0; | |
d0bdaf49 JA |
858 | } else if (!strncmp(mem, "mmaphuge", 8)) { |
859 | #ifdef FIO_HAVE_HUGETLB | |
d0bdaf49 JA |
860 | /* |
861 | * mmaphuge must be appended with the actual file | |
862 | */ | |
313cb206 JA |
863 | td->mmapfile = get_mmap_file(mem); |
864 | if (!td->mmapfile) { | |
d0bdaf49 JA |
865 | log_err("fio: mmaphuge:/path/to/file\n"); |
866 | return 1; | |
867 | } | |
868 | ||
d0bdaf49 JA |
869 | td->mem_type = MEM_MMAPHUGE; |
870 | return 0; | |
871 | #else | |
872 | log_err("fio: mmaphuge not available\n"); | |
873 | return 1; | |
874 | #endif | |
ebac4655 | 875 | } else if (!strncmp(mem, "mmap", 4)) { |
313cb206 JA |
876 | /* |
877 | * Check if the user wants file backed memory. It's ok | |
878 | * if there's no file given, we'll just use anon mamp then. | |
879 | */ | |
880 | td->mmapfile = get_mmap_file(mem); | |
ebac4655 JA |
881 | td->mem_type = MEM_MMAP; |
882 | return 0; | |
74b025b0 JA |
883 | } else if (!strncmp(mem, "shmhuge", 7)) { |
884 | #ifdef FIO_HAVE_HUGETLB | |
885 | td->mem_type = MEM_SHMHUGE; | |
886 | return 0; | |
887 | #else | |
888 | log_err("fio: shmhuge not available\n"); | |
889 | return 1; | |
890 | #endif | |
0268b8ba JA |
891 | } else if (!strncmp(mem, "shm", 3)) { |
892 | td->mem_type = MEM_SHM; | |
893 | return 0; | |
ebac4655 JA |
894 | } |
895 | ||
d0bdaf49 | 896 | log_err("fio: mem type: malloc, shm, shmhuge, mmap, mmaphuge\n"); |
ebac4655 JA |
897 | return 1; |
898 | } | |
899 | ||
b4692828 | 900 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 901 | { |
cb2c86fd JA |
902 | struct thread_data *td = data; |
903 | ||
2866c82d JA |
904 | td->io_ops = load_ioengine(td, str); |
905 | if (td->io_ops) | |
b990b5c0 | 906 | return 0; |
ebac4655 | 907 | |
08aae9a0 | 908 | log_err("fio: ioengine= libaio, posixaio, sync, mmap, sgio, splice, cpu, null\n"); |
5f350952 | 909 | log_err("fio: or specify path to dynamic ioengine module\n"); |
ebac4655 JA |
910 | return 1; |
911 | } | |
912 | ||
e1f36503 JA |
913 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
914 | { | |
915 | mlock_size = *val; | |
916 | return 0; | |
917 | } | |
918 | ||
34cfcdaf | 919 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
920 | static int str_prioclass_cb(void *data, unsigned int *val) |
921 | { | |
922 | struct thread_data *td = data; | |
923 | ||
924 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
925 | return 0; | |
926 | } | |
927 | ||
928 | static int str_prio_cb(void *data, unsigned int *val) | |
929 | { | |
930 | struct thread_data *td = data; | |
931 | ||
932 | td->ioprio |= *val; | |
933 | return 0; | |
934 | } | |
34cfcdaf | 935 | #endif |
e1f36503 JA |
936 | |
937 | static int str_exitall_cb(void) | |
938 | { | |
939 | exitall_on_terminate = 1; | |
940 | return 0; | |
941 | } | |
942 | ||
943 | static int str_cpumask_cb(void *data, unsigned int *val) | |
944 | { | |
945 | struct thread_data *td = data; | |
946 | ||
947 | fill_cpu_mask(td->cpumask, *val); | |
948 | return 0; | |
949 | } | |
950 | ||
07261983 JA |
951 | /* |
952 | * This is our [ini] type file parser. | |
953 | */ | |
1e97cce9 | 954 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 955 | { |
e1f36503 | 956 | unsigned int global; |
ebac4655 | 957 | struct thread_data *td; |
fee3bb48 | 958 | char *string, *name; |
ebac4655 JA |
959 | fpos_t off; |
960 | FILE *f; | |
961 | char *p; | |
0c7e37a0 | 962 | int ret = 0, stonewall; |
ebac4655 JA |
963 | |
964 | f = fopen(file, "r"); | |
965 | if (!f) { | |
aea47d44 | 966 | perror("fopen job file"); |
ebac4655 JA |
967 | return 1; |
968 | } | |
969 | ||
970 | string = malloc(4096); | |
971 | name = malloc(256); | |
fee3bb48 | 972 | memset(name, 0, 256); |
ebac4655 | 973 | |
0c7e37a0 | 974 | stonewall = stonewall_flag; |
7c124ac1 JA |
975 | do { |
976 | p = fgets(string, 4095, f); | |
977 | if (!p) | |
45410acb | 978 | break; |
ebac4655 JA |
979 | if (is_empty_or_comment(p)) |
980 | continue; | |
fee3bb48 | 981 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
982 | continue; |
983 | ||
984 | global = !strncmp(name, "global", 6); | |
985 | ||
986 | name[strlen(name) - 1] = '\0'; | |
987 | ||
988 | td = get_new_job(global, &def_thread); | |
45410acb JA |
989 | if (!td) { |
990 | ret = 1; | |
991 | break; | |
992 | } | |
ebac4655 | 993 | |
972cfd25 JA |
994 | /* |
995 | * Seperate multiple job files by a stonewall | |
996 | */ | |
f9481919 | 997 | if (!global && stonewall) { |
972cfd25 JA |
998 | td->stonewall = stonewall; |
999 | stonewall = 0; | |
1000 | } | |
1001 | ||
ebac4655 JA |
1002 | fgetpos(f, &off); |
1003 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1004 | if (is_empty_or_comment(p)) | |
1005 | continue; | |
e1f36503 | 1006 | |
b6754f9d | 1007 | strip_blank_front(&p); |
7c124ac1 JA |
1008 | |
1009 | if (p[0] == '[') | |
1010 | break; | |
1011 | ||
4ae3f763 | 1012 | strip_blank_end(p); |
aea47d44 | 1013 | |
e1f36503 | 1014 | fgetpos(f, &off); |
ebac4655 | 1015 | |
45410acb JA |
1016 | /* |
1017 | * Don't break here, continue parsing options so we | |
1018 | * dump all the bad ones. Makes trial/error fixups | |
1019 | * easier on the user. | |
1020 | */ | |
7c124ac1 | 1021 | ret |= parse_option(p, options, td); |
ebac4655 | 1022 | } |
ebac4655 | 1023 | |
45410acb JA |
1024 | if (!ret) { |
1025 | fsetpos(f, &off); | |
1026 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1027 | } else { |
1028 | log_err("fio: job %s dropped\n", name); | |
1029 | put_job(td); | |
45410acb | 1030 | } |
7c124ac1 | 1031 | } while (!ret); |
ebac4655 JA |
1032 | |
1033 | free(string); | |
1034 | free(name); | |
1035 | fclose(f); | |
45410acb | 1036 | return ret; |
ebac4655 JA |
1037 | } |
1038 | ||
1039 | static int fill_def_thread(void) | |
1040 | { | |
1041 | memset(&def_thread, 0, sizeof(def_thread)); | |
1042 | ||
1043 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1044 | perror("sched_getaffinity"); | |
1045 | return 1; | |
1046 | } | |
1047 | ||
1048 | /* | |
1049 | * fill globals | |
1050 | */ | |
1051 | def_thread.ddir = DDIR_READ; | |
3d60d1ed | 1052 | def_thread.iomix = 0; |
a00735e6 JA |
1053 | def_thread.bs[DDIR_READ] = DEF_BS; |
1054 | def_thread.bs[DDIR_WRITE] = DEF_BS; | |
1055 | def_thread.min_bs[DDIR_READ] = def_thread.min_bs[DDIR_WRITE] = 0; | |
1056 | def_thread.max_bs[DDIR_READ] = def_thread.max_bs[DDIR_WRITE] = 0; | |
9ebc27e1 | 1057 | def_thread.odirect = DEF_ODIRECT; |
ebac4655 | 1058 | def_thread.ratecycle = DEF_RATE_CYCLE; |
9ebc27e1 | 1059 | def_thread.sequential = DEF_SEQUENTIAL; |
972cfd25 | 1060 | def_thread.timeout = def_timeout; |
ebac4655 JA |
1061 | def_thread.overwrite = DEF_OVERWRITE; |
1062 | def_thread.invalidate_cache = DEF_INVALIDATE; | |
1063 | def_thread.sync_io = DEF_SYNCIO; | |
1064 | def_thread.mem_type = MEM_MALLOC; | |
1065 | def_thread.bw_avg_time = DEF_BWAVGTIME; | |
1066 | def_thread.create_serialize = DEF_CREATE_SER; | |
1067 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
1068 | def_thread.loops = DEF_LOOPS; | |
1069 | def_thread.verify = DEF_VERIFY; | |
1070 | def_thread.stonewall = DEF_STONEWALL; | |
1071 | def_thread.numjobs = DEF_NUMJOBS; | |
1072 | def_thread.use_thread = DEF_USE_THREAD; | |
a6ccc7be JA |
1073 | def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
1074 | def_thread.rwmixread = DEF_RWMIX_READ; | |
b6f4d880 | 1075 | def_thread.nice = DEF_NICE; |
9ebc27e1 | 1076 | def_thread.rand_repeatable = DEF_RAND_REPEAT; |
53cdc686 | 1077 | def_thread.nr_files = DEF_NR_FILES; |
f6cbb269 | 1078 | def_thread.unlink = DEF_UNLINK; |
ec94ec56 JA |
1079 | def_thread.write_bw_log = write_bw_log; |
1080 | def_thread.write_lat_log = write_lat_log; | |
bb8895e0 | 1081 | def_thread.norandommap = DEF_NO_RAND_MAP; |
56bb17f2 | 1082 | def_thread.hugepage_size = DEF_HUGEPAGE_SIZE; |
ebac4655 JA |
1083 | #ifdef FIO_HAVE_DISK_UTIL |
1084 | def_thread.do_disk_util = 1; | |
1085 | #endif | |
1086 | ||
1087 | return 0; | |
1088 | } | |
1089 | ||
0ab8db89 | 1090 | static void usage(void) |
4785f995 JA |
1091 | { |
1092 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1093 | printf("\t--output\tWrite output to file\n"); |
1094 | printf("\t--timeout\tRuntime in seconds\n"); | |
1095 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1096 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1097 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1098 | printf("\t--version\tPrint version info and exit\n"); | |
4785f995 JA |
1099 | } |
1100 | ||
972cfd25 | 1101 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1102 | { |
b4692828 | 1103 | struct thread_data *td = NULL; |
c2b1e753 | 1104 | int c, ini_idx = 0, lidx, ret; |
ebac4655 | 1105 | |
b4692828 | 1106 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1107 | switch (c) { |
b4692828 JA |
1108 | case 't': |
1109 | def_timeout = atoi(optarg); | |
1110 | break; | |
1111 | case 'l': | |
1112 | write_lat_log = 1; | |
1113 | break; | |
1114 | case 'w': | |
1115 | write_bw_log = 1; | |
1116 | break; | |
1117 | case 'o': | |
1118 | f_out = fopen(optarg, "w+"); | |
1119 | if (!f_out) { | |
1120 | perror("fopen output"); | |
1121 | exit(1); | |
1122 | } | |
1123 | f_err = f_out; | |
1124 | break; | |
1125 | case 'm': | |
1126 | terse_output = 1; | |
1127 | break; | |
1128 | case 'h': | |
1129 | usage(); | |
1130 | exit(0); | |
1131 | case 'v': | |
1132 | printf("%s\n", fio_version_string); | |
1133 | exit(0); | |
1134 | case FIO_GETOPT_JOB: { | |
1135 | const char *opt = long_options[lidx].name; | |
1136 | char *val = optarg; | |
1137 | ||
c2b1e753 JA |
1138 | if (!strncmp(opt, "name", 4) && td) { |
1139 | ret = add_job(td, td->name ?: "fio", 0); | |
1140 | if (ret) { | |
1141 | put_job(td); | |
1142 | return 0; | |
1143 | } | |
1144 | td = NULL; | |
1145 | } | |
b4692828 | 1146 | if (!td) { |
38d0adb0 | 1147 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1148 | |
1149 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1150 | if (!td) |
1151 | return 0; | |
1152 | } | |
38d0adb0 | 1153 | |
b1508cf9 JA |
1154 | ret = parse_cmd_option(opt, val, options, td); |
1155 | if (ret) { | |
1156 | log_err("fio: job dropped\n"); | |
1157 | put_job(td); | |
1158 | td = NULL; | |
1159 | } | |
b4692828 JA |
1160 | break; |
1161 | } | |
1162 | default: | |
1163 | printf("optarg <<%s>>\n", argv[optind]); | |
1164 | break; | |
ebac4655 JA |
1165 | } |
1166 | } | |
c9fad893 | 1167 | |
b4692828 | 1168 | if (td) { |
c2b1e753 | 1169 | ret = add_job(td, td->name ?: "fio", 0); |
b4692828 JA |
1170 | if (ret) |
1171 | put_job(td); | |
972cfd25 | 1172 | } |
774a6177 | 1173 | |
b4692828 JA |
1174 | while (optind < argc) { |
1175 | ini_idx++; | |
1176 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1177 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1178 | optind++; | |
eb8bbf48 | 1179 | } |
972cfd25 JA |
1180 | |
1181 | return ini_idx; | |
ebac4655 JA |
1182 | } |
1183 | ||
1184 | static void free_shm(void) | |
1185 | { | |
1186 | struct shmid_ds sbuf; | |
1187 | ||
1188 | if (threads) { | |
2c0ecd28 | 1189 | shmdt((void *) threads); |
ebac4655 JA |
1190 | threads = NULL; |
1191 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1192 | } | |
1193 | } | |
1194 | ||
906c8d75 JA |
1195 | /* |
1196 | * The thread area is shared between the main process and the job | |
1197 | * threads/processes. So setup a shared memory segment that will hold | |
1198 | * all the job info. | |
1199 | */ | |
ebac4655 JA |
1200 | static int setup_thread_area(void) |
1201 | { | |
1202 | /* | |
1203 | * 1024 is too much on some machines, scale max_jobs if | |
1204 | * we get a failure that looks like too large a shm segment | |
1205 | */ | |
1206 | do { | |
906c8d75 | 1207 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1208 | |
906c8d75 | 1209 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1210 | if (shm_id != -1) |
1211 | break; | |
1212 | if (errno != EINVAL) { | |
1213 | perror("shmget"); | |
1214 | break; | |
1215 | } | |
1216 | ||
1217 | max_jobs >>= 1; | |
1218 | } while (max_jobs); | |
1219 | ||
1220 | if (shm_id == -1) | |
1221 | return 1; | |
1222 | ||
1223 | threads = shmat(shm_id, NULL, 0); | |
1224 | if (threads == (void *) -1) { | |
1225 | perror("shmat"); | |
1226 | return 1; | |
1227 | } | |
1228 | ||
1229 | atexit(free_shm); | |
1230 | return 0; | |
1231 | } | |
1232 | ||
b4692828 JA |
1233 | /* |
1234 | * Copy the fio options into the long options map, so we mirror | |
1235 | * job and cmd line options. | |
1236 | */ | |
1237 | static void dupe_job_options(void) | |
1238 | { | |
1239 | struct fio_option *o; | |
1240 | unsigned int i; | |
1241 | ||
1242 | i = 0; | |
1243 | while (long_options[i].name) | |
1244 | i++; | |
1245 | ||
1246 | o = &options[0]; | |
1247 | while (o->name) { | |
1248 | long_options[i].name = o->name; | |
1249 | long_options[i].val = FIO_GETOPT_JOB; | |
1250 | if (o->type == FIO_OPT_STR_SET) | |
1251 | long_options[i].has_arg = no_argument; | |
1252 | else | |
1253 | long_options[i].has_arg = required_argument; | |
1254 | ||
1255 | i++; | |
1256 | o++; | |
1257 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1258 | } | |
1259 | } | |
1260 | ||
ebac4655 JA |
1261 | int parse_options(int argc, char *argv[]) |
1262 | { | |
972cfd25 JA |
1263 | int job_files, i; |
1264 | ||
b4692828 JA |
1265 | f_out = stdout; |
1266 | f_err = stderr; | |
1267 | ||
1268 | dupe_job_options(); | |
1269 | ||
ebac4655 JA |
1270 | if (setup_thread_area()) |
1271 | return 1; | |
1272 | if (fill_def_thread()) | |
1273 | return 1; | |
1274 | ||
972cfd25 | 1275 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1276 | |
972cfd25 JA |
1277 | for (i = 0; i < job_files; i++) { |
1278 | if (fill_def_thread()) | |
1279 | return 1; | |
0c7e37a0 | 1280 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1281 | return 1; |
88c6ed80 | 1282 | free(ini_file[i]); |
972cfd25 | 1283 | } |
ebac4655 | 1284 | |
88c6ed80 | 1285 | free(ini_file); |
b4692828 JA |
1286 | |
1287 | if (!thread_number) { | |
1288 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1289 | return 1; |
1290 | } | |
1291 | ||
ebac4655 JA |
1292 | return 0; |
1293 | } |