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 |
9c1f7434 | 56 | #define DEF_THINKTIME_BLOCKS (1) |
ebac4655 | 57 | |
e1f36503 JA |
58 | #define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) |
59 | ||
b4692828 JA |
60 | static int str_rw_cb(void *, const char *); |
61 | static int str_ioengine_cb(void *, const char *); | |
62 | static int str_mem_cb(void *, const char *); | |
63 | static int str_verify_cb(void *, const char *); | |
e1f36503 | 64 | static int str_lockmem_cb(void *, unsigned long *); |
34cfcdaf | 65 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
66 | static int str_prio_cb(void *, unsigned int *); |
67 | static int str_prioclass_cb(void *, unsigned int *); | |
34cfcdaf | 68 | #endif |
e1f36503 JA |
69 | static int str_exitall_cb(void); |
70 | static int str_cpumask_cb(void *, unsigned int *); | |
71 | ||
72 | /* | |
73 | * Map of job/command line options | |
74 | */ | |
75 | static struct fio_option options[] = { | |
76 | { | |
77 | .name = "name", | |
78 | .type = FIO_OPT_STR_STORE, | |
79 | .off1 = td_var_offset(name), | |
80 | }, | |
81 | { | |
82 | .name = "directory", | |
83 | .type = FIO_OPT_STR_STORE, | |
84 | .off1 = td_var_offset(directory), | |
85 | }, | |
86 | { | |
87 | .name = "filename", | |
88 | .type = FIO_OPT_STR_STORE, | |
89 | .off1 = td_var_offset(filename), | |
90 | }, | |
91 | { | |
92 | .name = "rw", | |
93 | .type = FIO_OPT_STR, | |
94 | .cb = str_rw_cb, | |
95 | }, | |
96 | { | |
97 | .name = "ioengine", | |
98 | .type = FIO_OPT_STR, | |
99 | .cb = str_ioengine_cb, | |
100 | }, | |
101 | { | |
102 | .name = "mem", | |
103 | .type = FIO_OPT_STR, | |
104 | .cb = str_mem_cb, | |
105 | }, | |
106 | { | |
107 | .name = "verify", | |
108 | .type = FIO_OPT_STR, | |
109 | .cb = str_verify_cb, | |
110 | }, | |
111 | { | |
112 | .name = "write_iolog", | |
076efc7c JA |
113 | .type = FIO_OPT_STR_STORE, |
114 | .off1 = td_var_offset(write_iolog_file), | |
e1f36503 JA |
115 | }, |
116 | { | |
076efc7c | 117 | .name = "read_iolog", |
e1f36503 | 118 | .type = FIO_OPT_STR_STORE, |
076efc7c | 119 | .off1 = td_var_offset(read_iolog_file), |
e1f36503 JA |
120 | }, |
121 | { | |
122 | .name = "exec_prerun", | |
123 | .type = FIO_OPT_STR_STORE, | |
124 | .off1 = td_var_offset(exec_prerun), | |
125 | }, | |
126 | { | |
127 | .name = "exec_postrun", | |
128 | .type = FIO_OPT_STR_STORE, | |
129 | .off1 = td_var_offset(exec_postrun), | |
130 | }, | |
131 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
132 | { | |
133 | .name = "ioscheduler", | |
134 | .type = FIO_OPT_STR_STORE, | |
135 | .off1 = td_var_offset(ioscheduler), | |
136 | }, | |
137 | #endif | |
138 | { | |
139 | .name = "size", | |
140 | .type = FIO_OPT_STR_VAL, | |
141 | .off1 = td_var_offset(total_file_size), | |
142 | }, | |
143 | { | |
144 | .name = "bs", | |
75e6f36f | 145 | .type = FIO_OPT_STR_VAL_INT, |
a00735e6 | 146 | .off1 = td_var_offset(bs[DDIR_READ]), |
f90eff5a | 147 | .off2 = td_var_offset(bs[DDIR_WRITE]), |
e1f36503 JA |
148 | }, |
149 | { | |
150 | .name = "offset", | |
151 | .type = FIO_OPT_STR_VAL, | |
152 | .off1 = td_var_offset(start_offset), | |
153 | }, | |
154 | { | |
155 | .name = "zonesize", | |
156 | .type = FIO_OPT_STR_VAL, | |
157 | .off1 = td_var_offset(zone_size), | |
158 | }, | |
159 | { | |
160 | .name = "zoneskip", | |
161 | .type = FIO_OPT_STR_VAL, | |
162 | .off1 = td_var_offset(zone_skip), | |
163 | }, | |
164 | { | |
165 | .name = "lockmem", | |
166 | .type = FIO_OPT_STR_VAL, | |
167 | .cb = str_lockmem_cb, | |
168 | }, | |
169 | { | |
170 | .name = "bsrange", | |
171 | .type = FIO_OPT_RANGE, | |
a00735e6 JA |
172 | .off1 = td_var_offset(min_bs[DDIR_READ]), |
173 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
f90eff5a JA |
174 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), |
175 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
e1f36503 JA |
176 | }, |
177 | { | |
178 | .name = "nrfiles", | |
179 | .type = FIO_OPT_INT, | |
180 | .off1 = td_var_offset(nr_files), | |
181 | }, | |
182 | { | |
183 | .name = "iodepth", | |
184 | .type = FIO_OPT_INT, | |
185 | .off1 = td_var_offset(iodepth), | |
186 | }, | |
187 | { | |
188 | .name = "fsync", | |
189 | .type = FIO_OPT_INT, | |
190 | .off1 = td_var_offset(fsync_blocks), | |
191 | }, | |
192 | { | |
193 | .name = "rwmixcycle", | |
194 | .type = FIO_OPT_INT, | |
195 | .off1 = td_var_offset(rwmixcycle), | |
196 | }, | |
197 | { | |
198 | .name = "rwmixread", | |
199 | .type = FIO_OPT_INT, | |
200 | .off1 = td_var_offset(rwmixread), | |
201 | .max_val= 100, | |
202 | }, | |
203 | { | |
204 | .name = "rwmixwrite", | |
205 | .type = FIO_OPT_INT, | |
206 | .off1 = td_var_offset(rwmixwrite), | |
207 | .max_val= 100, | |
208 | }, | |
209 | { | |
210 | .name = "nice", | |
211 | .type = FIO_OPT_INT, | |
212 | .off1 = td_var_offset(nice), | |
213 | }, | |
214 | #ifdef FIO_HAVE_IOPRIO | |
215 | { | |
216 | .name = "prio", | |
217 | .type = FIO_OPT_INT, | |
218 | .cb = str_prio_cb, | |
219 | }, | |
220 | { | |
221 | .name = "prioclass", | |
222 | .type = FIO_OPT_INT, | |
223 | .cb = str_prioclass_cb, | |
224 | }, | |
225 | #endif | |
226 | { | |
227 | .name = "thinktime", | |
228 | .type = FIO_OPT_INT, | |
1304923a | 229 | .off1 = td_var_offset(thinktime), |
e1f36503 | 230 | }, |
9c1f7434 JA |
231 | { |
232 | .name = "thinktime_blocks", | |
233 | .type = FIO_OPT_INT, | |
1304923a | 234 | .off1 = td_var_offset(thinktime_blocks), |
9c1f7434 | 235 | }, |
e1f36503 JA |
236 | { |
237 | .name = "rate", | |
238 | .type = FIO_OPT_INT, | |
1304923a | 239 | .off1 = td_var_offset(rate), |
e1f36503 JA |
240 | }, |
241 | { | |
242 | .name = "ratemin", | |
243 | .type = FIO_OPT_INT, | |
1304923a | 244 | .off1 = td_var_offset(ratemin), |
e1f36503 JA |
245 | }, |
246 | { | |
247 | .name = "ratecycle", | |
248 | .type = FIO_OPT_INT, | |
1304923a | 249 | .off1 = td_var_offset(ratecycle), |
e1f36503 JA |
250 | }, |
251 | { | |
252 | .name = "startdelay", | |
253 | .type = FIO_OPT_INT, | |
1304923a | 254 | .off1 = td_var_offset(start_delay), |
e1f36503 JA |
255 | }, |
256 | { | |
257 | .name = "timeout", | |
258 | .type = FIO_OPT_STR_VAL_TIME, | |
1304923a | 259 | .off1 = td_var_offset(timeout), |
e1f36503 JA |
260 | }, |
261 | { | |
262 | .name = "invalidate", | |
263 | .type = FIO_OPT_INT, | |
1304923a | 264 | .off1 = td_var_offset(invalidate_cache), |
e1f36503 JA |
265 | }, |
266 | { | |
267 | .name = "sync", | |
268 | .type = FIO_OPT_INT, | |
1304923a | 269 | .off1 = td_var_offset(sync_io), |
e1f36503 JA |
270 | }, |
271 | { | |
272 | .name = "bwavgtime", | |
273 | .type = FIO_OPT_INT, | |
1304923a | 274 | .off1 = td_var_offset(bw_avg_time), |
e1f36503 JA |
275 | }, |
276 | { | |
277 | .name = "create_serialize", | |
278 | .type = FIO_OPT_INT, | |
1304923a | 279 | .off1 = td_var_offset(create_serialize), |
e1f36503 JA |
280 | }, |
281 | { | |
282 | .name = "create_fsync", | |
283 | .type = FIO_OPT_INT, | |
1304923a | 284 | .off1 = td_var_offset(create_fsync), |
e1f36503 JA |
285 | }, |
286 | { | |
287 | .name = "loops", | |
288 | .type = FIO_OPT_INT, | |
1304923a | 289 | .off1 = td_var_offset(loops), |
e1f36503 JA |
290 | }, |
291 | { | |
292 | .name = "numjobs", | |
293 | .type = FIO_OPT_INT, | |
1304923a | 294 | .off1 = td_var_offset(numjobs), |
e1f36503 JA |
295 | }, |
296 | { | |
297 | .name = "cpuload", | |
298 | .type = FIO_OPT_INT, | |
1304923a | 299 | .off1 = td_var_offset(cpuload), |
e1f36503 JA |
300 | }, |
301 | { | |
302 | .name = "cpuchunks", | |
303 | .type = FIO_OPT_INT, | |
1304923a | 304 | .off1 = td_var_offset(cpucycle), |
e1f36503 JA |
305 | }, |
306 | { | |
307 | .name = "direct", | |
308 | .type = FIO_OPT_INT, | |
1304923a | 309 | .off1 = td_var_offset(odirect), |
e1f36503 JA |
310 | }, |
311 | { | |
312 | .name = "overwrite", | |
313 | .type = FIO_OPT_INT, | |
1304923a | 314 | .off1 = td_var_offset(overwrite), |
e1f36503 JA |
315 | }, |
316 | #ifdef FIO_HAVE_CPU_AFFINITY | |
317 | { | |
318 | .name = "cpumask", | |
319 | .type = FIO_OPT_INT, | |
320 | .cb = str_cpumask_cb, | |
321 | }, | |
322 | #endif | |
323 | { | |
324 | .name = "end_fsync", | |
325 | .type = FIO_OPT_INT, | |
1304923a | 326 | .off1 = td_var_offset(end_fsync), |
e1f36503 JA |
327 | }, |
328 | { | |
329 | .name = "unlink", | |
8aeebd55 | 330 | .type = FIO_OPT_INT, |
e1f36503 JA |
331 | .off1 = td_var_offset(unlink), |
332 | }, | |
333 | { | |
334 | .name = "exitall", | |
335 | .type = FIO_OPT_STR_SET, | |
336 | .cb = str_exitall_cb, | |
337 | }, | |
338 | { | |
339 | .name = "stonewall", | |
340 | .type = FIO_OPT_STR_SET, | |
341 | .off1 = td_var_offset(stonewall), | |
342 | }, | |
343 | { | |
344 | .name = "thread", | |
345 | .type = FIO_OPT_STR_SET, | |
346 | .off1 = td_var_offset(thread), | |
347 | }, | |
348 | { | |
349 | .name = "write_bw_log", | |
350 | .type = FIO_OPT_STR_SET, | |
351 | .off1 = td_var_offset(write_bw_log), | |
352 | }, | |
353 | { | |
354 | .name = "write_lat_log", | |
355 | .type = FIO_OPT_STR_SET, | |
356 | .off1 = td_var_offset(write_lat_log), | |
357 | }, | |
bb8895e0 JA |
358 | { |
359 | .name = "norandommap", | |
360 | .type = FIO_OPT_STR_SET, | |
361 | .off1 = td_var_offset(norandommap), | |
362 | }, | |
690adba3 JA |
363 | { |
364 | .name = "bs_unaligned", | |
365 | .type = FIO_OPT_STR_SET, | |
366 | .off1 = td_var_offset(bs_unaligned), | |
367 | }, | |
56bb17f2 JA |
368 | { |
369 | .name = "hugepage-size", | |
370 | .type = FIO_OPT_STR_VAL, | |
371 | .off1 = td_var_offset(hugepage_size), | |
372 | }, | |
e1f36503 JA |
373 | { |
374 | .name = NULL, | |
375 | }, | |
376 | }; | |
377 | ||
b4692828 JA |
378 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
379 | #define FIO_CMD_OPTS (16) | |
380 | #define FIO_GETOPT_JOB (0x89988998) | |
381 | ||
382 | /* | |
383 | * Command line options. These will contain the above, plus a few | |
384 | * extra that only pertain to fio itself and not jobs. | |
385 | */ | |
386 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
387 | { | |
388 | .name = "output", | |
389 | .has_arg = required_argument, | |
390 | .val = 'o', | |
391 | }, | |
392 | { | |
393 | .name = "timeout", | |
394 | .has_arg = required_argument, | |
395 | .val = 't', | |
396 | }, | |
397 | { | |
398 | .name = "latency-log", | |
399 | .has_arg = required_argument, | |
400 | .val = 'l', | |
401 | }, | |
402 | { | |
403 | .name = "bandwidth-log", | |
404 | .has_arg = required_argument, | |
405 | .val = 'b', | |
406 | }, | |
407 | { | |
408 | .name = "minimal", | |
409 | .has_arg = optional_argument, | |
410 | .val = 'm', | |
411 | }, | |
412 | { | |
413 | .name = "version", | |
414 | .has_arg = no_argument, | |
415 | .val = 'v', | |
416 | }, | |
417 | { | |
418 | .name = NULL, | |
419 | }, | |
420 | }; | |
421 | ||
972cfd25 | 422 | static int def_timeout = DEF_TIMEOUT; |
972cfd25 | 423 | |
63c06698 | 424 | static char fio_version_string[] = "fio 1.10"; |
ebac4655 | 425 | |
972cfd25 | 426 | static char **ini_file; |
ebac4655 JA |
427 | static int max_jobs = MAX_JOBS; |
428 | ||
429 | struct thread_data def_thread; | |
430 | struct thread_data *threads = NULL; | |
431 | ||
ebac4655 | 432 | int exitall_on_terminate = 0; |
c6ae0a5b | 433 | int terse_output = 0; |
c04f7ec3 | 434 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
435 | FILE *f_out = NULL; |
436 | FILE *f_err = NULL; | |
ebac4655 | 437 | |
ec94ec56 JA |
438 | static int write_lat_log = DEF_WRITE_LAT_LOG; |
439 | static int write_bw_log = DEF_WRITE_BW_LOG; | |
440 | ||
906c8d75 JA |
441 | /* |
442 | * Return a free job structure. | |
443 | */ | |
ebac4655 JA |
444 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
445 | { | |
446 | struct thread_data *td; | |
447 | ||
448 | if (global) | |
449 | return &def_thread; | |
450 | if (thread_number >= max_jobs) | |
451 | return NULL; | |
452 | ||
453 | td = &threads[thread_number++]; | |
ddaeaa5a | 454 | *td = *parent; |
ebac4655 | 455 | |
ebac4655 | 456 | td->thread_number = thread_number; |
ebac4655 JA |
457 | return td; |
458 | } | |
459 | ||
460 | static void put_job(struct thread_data *td) | |
461 | { | |
549577a7 JA |
462 | if (td == &def_thread) |
463 | return; | |
464 | ||
ebac4655 JA |
465 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
466 | thread_number--; | |
467 | } | |
468 | ||
dad915e3 JA |
469 | /* |
470 | * Lazy way of fixing up options that depend on each other. We could also | |
471 | * define option callback handlers, but this is easier. | |
472 | */ | |
e1f36503 JA |
473 | static void fixup_options(struct thread_data *td) |
474 | { | |
e1f36503 JA |
475 | if (!td->rwmixread && td->rwmixwrite) |
476 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 477 | |
076efc7c JA |
478 | if (td->write_iolog_file && td->read_iolog_file) { |
479 | log_err("fio: read iolog overrides write_iolog\n"); | |
480 | free(td->write_iolog_file); | |
481 | td->write_iolog_file = NULL; | |
482 | } | |
16b462ae JA |
483 | |
484 | if (td->io_ops->flags & FIO_SYNCIO) | |
485 | td->iodepth = 1; | |
486 | else { | |
487 | if (!td->iodepth) | |
488 | td->iodepth = td->nr_files; | |
489 | } | |
490 | ||
491 | /* | |
492 | * only really works for sequential io for now, and with 1 file | |
493 | */ | |
494 | if (td->zone_size && !td->sequential && td->nr_files == 1) | |
495 | td->zone_size = 0; | |
496 | ||
497 | /* | |
498 | * Reads can do overwrites, we always need to pre-create the file | |
499 | */ | |
500 | if (td_read(td) || td_rw(td)) | |
501 | td->overwrite = 1; | |
502 | ||
a00735e6 JA |
503 | if (!td->min_bs[DDIR_READ]) |
504 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
505 | if (!td->max_bs[DDIR_READ]) | |
506 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
507 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 508 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 509 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 510 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
511 | |
512 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
513 | ||
16b462ae JA |
514 | if (td_read(td) && !td_rw(td)) |
515 | td->verify = 0; | |
bb8895e0 JA |
516 | |
517 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
518 | log_err("fio: norandommap given, verify disabled\n"); | |
519 | td->verify = VERIFY_NONE; | |
520 | } | |
690adba3 JA |
521 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
522 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
523 | |
524 | /* | |
525 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
526 | */ | |
527 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
528 | td->odirect = 0; | |
e1f36503 JA |
529 | } |
530 | ||
f8977ee6 JA |
531 | /* |
532 | * This function leaks the buffer | |
533 | */ | |
534 | static char *to_kmg(unsigned int val) | |
535 | { | |
536 | char *buf = malloc(32); | |
245142ff | 537 | char post[] = { 0, 'K', 'M', 'G', 'P', 0 }; |
f8977ee6 JA |
538 | char *p = post; |
539 | ||
245142ff | 540 | do { |
f8977ee6 JA |
541 | if (val & 1023) |
542 | break; | |
543 | ||
544 | val >>= 10; | |
545 | p++; | |
245142ff | 546 | } while (*p); |
f8977ee6 JA |
547 | |
548 | snprintf(buf, 31, "%u%c", val, *p); | |
549 | return buf; | |
550 | } | |
551 | ||
906c8d75 JA |
552 | /* |
553 | * Adds a job to the list of things todo. Sanitizes the various options | |
554 | * to make sure we don't have conflicts, and initializes various | |
555 | * members of td. | |
556 | */ | |
75154845 | 557 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 558 | { |
3c9b60c1 JA |
559 | const char *ddir_str[] = { "read", "write", "randread", "randwrite", |
560 | "rw", NULL, "randrw" }; | |
ebac4655 | 561 | struct stat sb; |
53cdc686 JA |
562 | int numjobs, ddir, i; |
563 | struct fio_file *f; | |
ebac4655 | 564 | |
ebac4655 JA |
565 | /* |
566 | * the def_thread is just for options, it's not a real job | |
567 | */ | |
568 | if (td == &def_thread) | |
569 | return 0; | |
570 | ||
df64119d JA |
571 | /* |
572 | * Set default io engine, if none set | |
573 | */ | |
574 | if (!td->io_ops) { | |
575 | td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME); | |
576 | if (!td->io_ops) { | |
577 | log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME); | |
578 | return 1; | |
579 | } | |
580 | } | |
581 | ||
690adba3 JA |
582 | if (td->odirect) |
583 | td->io_ops->flags |= FIO_RAWIO; | |
584 | ||
ebac4655 | 585 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
586 | if (!stat(jobname, &sb)) { |
587 | if (S_ISBLK(sb.st_mode)) | |
588 | td->filetype = FIO_TYPE_BD; | |
589 | else if (S_ISCHR(sb.st_mode)) | |
590 | td->filetype = FIO_TYPE_CHAR; | |
591 | } | |
ebac4655 | 592 | |
e0a22335 JA |
593 | fixup_options(td); |
594 | ||
13f8e2d2 JA |
595 | if (td->filename) |
596 | td->nr_uniq_files = 1; | |
597 | else | |
598 | td->nr_uniq_files = td->nr_files; | |
599 | ||
600 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 601 | char tmp[PATH_MAX]; |
53cdc686 | 602 | int len = 0; |
e9c047a0 | 603 | |
ef899b63 | 604 | if (td->directory && td->directory[0] != '\0') |
8aeebd55 | 605 | len = sprintf(tmp, "%s/", td->directory); |
ebac4655 | 606 | |
53cdc686 JA |
607 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
608 | ||
609 | for_each_file(td, f, i) { | |
610 | memset(f, 0, sizeof(*f)); | |
611 | f->fd = -1; | |
612 | ||
13f8e2d2 JA |
613 | if (td->filename) |
614 | sprintf(tmp + len, "%s", td->filename); | |
615 | else | |
616 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 | 617 | f->file_name = strdup(tmp); |
8aeebd55 | 618 | fprintf(stderr, "%s\n", f->file_name); |
53cdc686 JA |
619 | } |
620 | } else { | |
621 | td->nr_files = 1; | |
622 | td->files = malloc(sizeof(struct fio_file)); | |
623 | f = &td->files[0]; | |
624 | ||
625 | memset(f, 0, sizeof(*f)); | |
626 | f->fd = -1; | |
627 | f->file_name = strdup(jobname); | |
628 | } | |
629 | ||
630 | for_each_file(td, f, i) { | |
631 | f->file_size = td->total_file_size / td->nr_files; | |
632 | f->file_offset = td->start_offset; | |
633 | } | |
634 | ||
bbfd6b00 | 635 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
636 | |
637 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
638 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
639 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
640 | ||
ebac4655 JA |
641 | if (td->stonewall && td->thread_number > 1) |
642 | groupid++; | |
643 | ||
644 | td->groupid = groupid; | |
645 | ||
646 | if (setup_rate(td)) | |
647 | goto err; | |
648 | ||
ec94ec56 | 649 | if (td->write_lat_log) { |
ebac4655 JA |
650 | setup_log(&td->slat_log); |
651 | setup_log(&td->clat_log); | |
652 | } | |
ec94ec56 | 653 | if (td->write_bw_log) |
ebac4655 JA |
654 | setup_log(&td->bw_log); |
655 | ||
b4692828 JA |
656 | if (!td->name) |
657 | td->name = strdup(jobname); | |
01452055 | 658 | |
3d60d1ed | 659 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 660 | |
c6ae0a5b | 661 | if (!terse_output) { |
b990b5c0 | 662 | if (!job_add_num) { |
2866c82d | 663 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 | 664 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
665 | else { |
666 | char *c1, *c2, *c3, *c4; | |
667 | ||
668 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
669 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
670 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
671 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
672 | ||
1e97cce9 | 673 | 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 |
674 | |
675 | free(c1); | |
676 | free(c2); | |
677 | free(c3); | |
678 | free(c4); | |
679 | } | |
b990b5c0 | 680 | } else if (job_add_num == 1) |
c6ae0a5b JA |
681 | fprintf(f_out, "...\n"); |
682 | } | |
ebac4655 JA |
683 | |
684 | /* | |
685 | * recurse add identical jobs, clear numjobs and stonewall options | |
686 | * as they don't apply to sub-jobs | |
687 | */ | |
688 | numjobs = td->numjobs; | |
689 | while (--numjobs) { | |
690 | struct thread_data *td_new = get_new_job(0, td); | |
691 | ||
692 | if (!td_new) | |
693 | goto err; | |
694 | ||
695 | td_new->numjobs = 1; | |
696 | td_new->stonewall = 0; | |
75154845 | 697 | job_add_num = numjobs - 1; |
ebac4655 | 698 | |
75154845 | 699 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
700 | goto err; |
701 | } | |
702 | return 0; | |
703 | err: | |
704 | put_job(td); | |
705 | return -1; | |
706 | } | |
707 | ||
906c8d75 JA |
708 | /* |
709 | * Initialize the various random states we need (random io, block size ranges, | |
710 | * read/write mix, etc). | |
711 | */ | |
ebac4655 JA |
712 | int init_random_state(struct thread_data *td) |
713 | { | |
a6ccc7be | 714 | unsigned long seeds[4]; |
53cdc686 | 715 | int fd, num_maps, blocks, i; |
0ab8db89 | 716 | struct fio_file *f; |
ebac4655 | 717 | |
f48b467c JA |
718 | if (td->io_ops->flags & FIO_CPUIO) |
719 | return 0; | |
720 | ||
1ac267bb | 721 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
722 | if (fd == -1) { |
723 | td_verror(td, errno); | |
724 | return 1; | |
725 | } | |
726 | ||
a6ccc7be | 727 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
728 | td_verror(td, EIO); |
729 | close(fd); | |
730 | return 1; | |
731 | } | |
732 | ||
733 | close(fd); | |
734 | ||
6dfd46b9 JA |
735 | os_random_seed(seeds[0], &td->bsrange_state); |
736 | os_random_seed(seeds[1], &td->verify_state); | |
737 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
738 | |
739 | if (td->sequential) | |
740 | return 0; | |
741 | ||
9ebc27e1 | 742 | if (td->rand_repeatable) |
a6ccc7be | 743 | seeds[3] = DEF_RANDSEED; |
ebac4655 | 744 | |
bb8895e0 JA |
745 | if (!td->norandommap) { |
746 | for_each_file(td, f, i) { | |
a00735e6 | 747 | blocks = (f->file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 748 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
749 | f->file_map = malloc(num_maps * sizeof(long)); |
750 | f->num_maps = num_maps; | |
751 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
752 | } | |
53cdc686 | 753 | } |
ebac4655 | 754 | |
6dfd46b9 | 755 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
756 | return 0; |
757 | } | |
758 | ||
759 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
760 | { | |
761 | #ifdef FIO_HAVE_CPU_AFFINITY | |
762 | unsigned int i; | |
763 | ||
764 | CPU_ZERO(&cpumask); | |
765 | ||
766 | for (i = 0; i < sizeof(int) * 8; i++) { | |
767 | if ((1 << i) & cpu) | |
768 | CPU_SET(i, &cpumask); | |
769 | } | |
770 | #endif | |
771 | } | |
772 | ||
ebac4655 JA |
773 | static int is_empty_or_comment(char *line) |
774 | { | |
775 | unsigned int i; | |
776 | ||
777 | for (i = 0; i < strlen(line); i++) { | |
778 | if (line[i] == ';') | |
779 | return 1; | |
780 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
781 | return 0; | |
782 | } | |
783 | ||
784 | return 1; | |
785 | } | |
786 | ||
b4692828 | 787 | static int str_rw_cb(void *data, const char *mem) |
ebac4655 | 788 | { |
cb2c86fd JA |
789 | struct thread_data *td = data; |
790 | ||
ebac4655 JA |
791 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
792 | td->ddir = DDIR_READ; | |
793 | td->sequential = 1; | |
794 | return 0; | |
795 | } else if (!strncmp(mem, "randread", 8)) { | |
796 | td->ddir = DDIR_READ; | |
797 | td->sequential = 0; | |
798 | return 0; | |
799 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
800 | td->ddir = DDIR_WRITE; | |
801 | td->sequential = 1; | |
802 | return 0; | |
803 | } else if (!strncmp(mem, "randwrite", 9)) { | |
804 | td->ddir = DDIR_WRITE; | |
805 | td->sequential = 0; | |
806 | return 0; | |
3d60d1ed | 807 | } else if (!strncmp(mem, "rw", 2)) { |
1e97cce9 | 808 | td->ddir = DDIR_READ; |
3d60d1ed JA |
809 | td->iomix = 1; |
810 | td->sequential = 1; | |
811 | return 0; | |
812 | } else if (!strncmp(mem, "randrw", 6)) { | |
1e97cce9 | 813 | td->ddir = DDIR_READ; |
3d60d1ed JA |
814 | td->iomix = 1; |
815 | td->sequential = 0; | |
816 | return 0; | |
ebac4655 JA |
817 | } |
818 | ||
3b70d7e5 | 819 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
820 | return 1; |
821 | } | |
822 | ||
b4692828 | 823 | static int str_verify_cb(void *data, const char *mem) |
ebac4655 | 824 | { |
cb2c86fd JA |
825 | struct thread_data *td = data; |
826 | ||
ebac4655 JA |
827 | if (!strncmp(mem, "0", 1)) { |
828 | td->verify = VERIFY_NONE; | |
829 | return 0; | |
830 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
831 | td->verify = VERIFY_MD5; | |
832 | return 0; | |
833 | } else if (!strncmp(mem, "crc32", 5)) { | |
834 | td->verify = VERIFY_CRC32; | |
835 | return 0; | |
836 | } | |
837 | ||
3b70d7e5 | 838 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
839 | return 1; |
840 | } | |
841 | ||
313cb206 JA |
842 | /* |
843 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
844 | */ | |
845 | static char *get_mmap_file(const char *str) | |
846 | { | |
847 | char *p = strstr(str, ":"); | |
848 | ||
849 | if (!p) | |
850 | return NULL; | |
851 | ||
852 | p++; | |
853 | strip_blank_front(&p); | |
854 | strip_blank_end(p); | |
855 | return strdup(p); | |
856 | } | |
857 | ||
b4692828 | 858 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 859 | { |
cb2c86fd JA |
860 | struct thread_data *td = data; |
861 | ||
ebac4655 JA |
862 | if (!strncmp(mem, "malloc", 6)) { |
863 | td->mem_type = MEM_MALLOC; | |
864 | return 0; | |
d0bdaf49 JA |
865 | } else if (!strncmp(mem, "mmaphuge", 8)) { |
866 | #ifdef FIO_HAVE_HUGETLB | |
d0bdaf49 JA |
867 | /* |
868 | * mmaphuge must be appended with the actual file | |
869 | */ | |
313cb206 JA |
870 | td->mmapfile = get_mmap_file(mem); |
871 | if (!td->mmapfile) { | |
d0bdaf49 JA |
872 | log_err("fio: mmaphuge:/path/to/file\n"); |
873 | return 1; | |
874 | } | |
875 | ||
d0bdaf49 JA |
876 | td->mem_type = MEM_MMAPHUGE; |
877 | return 0; | |
878 | #else | |
879 | log_err("fio: mmaphuge not available\n"); | |
880 | return 1; | |
881 | #endif | |
ebac4655 | 882 | } else if (!strncmp(mem, "mmap", 4)) { |
313cb206 JA |
883 | /* |
884 | * Check if the user wants file backed memory. It's ok | |
885 | * if there's no file given, we'll just use anon mamp then. | |
886 | */ | |
887 | td->mmapfile = get_mmap_file(mem); | |
ebac4655 JA |
888 | td->mem_type = MEM_MMAP; |
889 | return 0; | |
74b025b0 JA |
890 | } else if (!strncmp(mem, "shmhuge", 7)) { |
891 | #ifdef FIO_HAVE_HUGETLB | |
892 | td->mem_type = MEM_SHMHUGE; | |
893 | return 0; | |
894 | #else | |
895 | log_err("fio: shmhuge not available\n"); | |
896 | return 1; | |
897 | #endif | |
0268b8ba JA |
898 | } else if (!strncmp(mem, "shm", 3)) { |
899 | td->mem_type = MEM_SHM; | |
900 | return 0; | |
ebac4655 JA |
901 | } |
902 | ||
d0bdaf49 | 903 | log_err("fio: mem type: malloc, shm, shmhuge, mmap, mmaphuge\n"); |
ebac4655 JA |
904 | return 1; |
905 | } | |
906 | ||
b4692828 | 907 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 908 | { |
cb2c86fd JA |
909 | struct thread_data *td = data; |
910 | ||
2866c82d JA |
911 | td->io_ops = load_ioengine(td, str); |
912 | if (td->io_ops) | |
b990b5c0 | 913 | return 0; |
ebac4655 | 914 | |
08aae9a0 | 915 | log_err("fio: ioengine= libaio, posixaio, sync, mmap, sgio, splice, cpu, null\n"); |
5f350952 | 916 | log_err("fio: or specify path to dynamic ioengine module\n"); |
ebac4655 JA |
917 | return 1; |
918 | } | |
919 | ||
e1f36503 JA |
920 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
921 | { | |
922 | mlock_size = *val; | |
923 | return 0; | |
924 | } | |
925 | ||
34cfcdaf | 926 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
927 | static int str_prioclass_cb(void *data, unsigned int *val) |
928 | { | |
929 | struct thread_data *td = data; | |
930 | ||
931 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
932 | return 0; | |
933 | } | |
934 | ||
935 | static int str_prio_cb(void *data, unsigned int *val) | |
936 | { | |
937 | struct thread_data *td = data; | |
938 | ||
939 | td->ioprio |= *val; | |
940 | return 0; | |
941 | } | |
34cfcdaf | 942 | #endif |
e1f36503 JA |
943 | |
944 | static int str_exitall_cb(void) | |
945 | { | |
946 | exitall_on_terminate = 1; | |
947 | return 0; | |
948 | } | |
949 | ||
950 | static int str_cpumask_cb(void *data, unsigned int *val) | |
951 | { | |
952 | struct thread_data *td = data; | |
953 | ||
954 | fill_cpu_mask(td->cpumask, *val); | |
955 | return 0; | |
956 | } | |
957 | ||
07261983 JA |
958 | /* |
959 | * This is our [ini] type file parser. | |
960 | */ | |
1e97cce9 | 961 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 962 | { |
e1f36503 | 963 | unsigned int global; |
ebac4655 | 964 | struct thread_data *td; |
fee3bb48 | 965 | char *string, *name; |
ebac4655 JA |
966 | fpos_t off; |
967 | FILE *f; | |
968 | char *p; | |
0c7e37a0 | 969 | int ret = 0, stonewall; |
ebac4655 JA |
970 | |
971 | f = fopen(file, "r"); | |
972 | if (!f) { | |
aea47d44 | 973 | perror("fopen job file"); |
ebac4655 JA |
974 | return 1; |
975 | } | |
976 | ||
977 | string = malloc(4096); | |
978 | name = malloc(256); | |
fee3bb48 | 979 | memset(name, 0, 256); |
ebac4655 | 980 | |
0c7e37a0 | 981 | stonewall = stonewall_flag; |
7c124ac1 JA |
982 | do { |
983 | p = fgets(string, 4095, f); | |
984 | if (!p) | |
45410acb | 985 | break; |
ebac4655 JA |
986 | if (is_empty_or_comment(p)) |
987 | continue; | |
fee3bb48 | 988 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
989 | continue; |
990 | ||
991 | global = !strncmp(name, "global", 6); | |
992 | ||
993 | name[strlen(name) - 1] = '\0'; | |
994 | ||
995 | td = get_new_job(global, &def_thread); | |
45410acb JA |
996 | if (!td) { |
997 | ret = 1; | |
998 | break; | |
999 | } | |
ebac4655 | 1000 | |
972cfd25 JA |
1001 | /* |
1002 | * Seperate multiple job files by a stonewall | |
1003 | */ | |
f9481919 | 1004 | if (!global && stonewall) { |
972cfd25 JA |
1005 | td->stonewall = stonewall; |
1006 | stonewall = 0; | |
1007 | } | |
1008 | ||
ebac4655 JA |
1009 | fgetpos(f, &off); |
1010 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1011 | if (is_empty_or_comment(p)) | |
1012 | continue; | |
e1f36503 | 1013 | |
b6754f9d | 1014 | strip_blank_front(&p); |
7c124ac1 JA |
1015 | |
1016 | if (p[0] == '[') | |
1017 | break; | |
1018 | ||
4ae3f763 | 1019 | strip_blank_end(p); |
aea47d44 | 1020 | |
e1f36503 | 1021 | fgetpos(f, &off); |
ebac4655 | 1022 | |
45410acb JA |
1023 | /* |
1024 | * Don't break here, continue parsing options so we | |
1025 | * dump all the bad ones. Makes trial/error fixups | |
1026 | * easier on the user. | |
1027 | */ | |
7c124ac1 | 1028 | ret |= parse_option(p, options, td); |
ebac4655 | 1029 | } |
ebac4655 | 1030 | |
45410acb JA |
1031 | if (!ret) { |
1032 | fsetpos(f, &off); | |
1033 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1034 | } else { |
1035 | log_err("fio: job %s dropped\n", name); | |
1036 | put_job(td); | |
45410acb | 1037 | } |
7c124ac1 | 1038 | } while (!ret); |
ebac4655 JA |
1039 | |
1040 | free(string); | |
1041 | free(name); | |
1042 | fclose(f); | |
45410acb | 1043 | return ret; |
ebac4655 JA |
1044 | } |
1045 | ||
1046 | static int fill_def_thread(void) | |
1047 | { | |
1048 | memset(&def_thread, 0, sizeof(def_thread)); | |
1049 | ||
1050 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1051 | perror("sched_getaffinity"); | |
1052 | return 1; | |
1053 | } | |
1054 | ||
1055 | /* | |
1056 | * fill globals | |
1057 | */ | |
1058 | def_thread.ddir = DDIR_READ; | |
3d60d1ed | 1059 | def_thread.iomix = 0; |
a00735e6 JA |
1060 | def_thread.bs[DDIR_READ] = DEF_BS; |
1061 | def_thread.bs[DDIR_WRITE] = DEF_BS; | |
1062 | def_thread.min_bs[DDIR_READ] = def_thread.min_bs[DDIR_WRITE] = 0; | |
1063 | def_thread.max_bs[DDIR_READ] = def_thread.max_bs[DDIR_WRITE] = 0; | |
9ebc27e1 | 1064 | def_thread.odirect = DEF_ODIRECT; |
ebac4655 | 1065 | def_thread.ratecycle = DEF_RATE_CYCLE; |
9ebc27e1 | 1066 | def_thread.sequential = DEF_SEQUENTIAL; |
972cfd25 | 1067 | def_thread.timeout = def_timeout; |
ebac4655 JA |
1068 | def_thread.overwrite = DEF_OVERWRITE; |
1069 | def_thread.invalidate_cache = DEF_INVALIDATE; | |
1070 | def_thread.sync_io = DEF_SYNCIO; | |
1071 | def_thread.mem_type = MEM_MALLOC; | |
1072 | def_thread.bw_avg_time = DEF_BWAVGTIME; | |
1073 | def_thread.create_serialize = DEF_CREATE_SER; | |
1074 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
1075 | def_thread.loops = DEF_LOOPS; | |
1076 | def_thread.verify = DEF_VERIFY; | |
1077 | def_thread.stonewall = DEF_STONEWALL; | |
1078 | def_thread.numjobs = DEF_NUMJOBS; | |
1079 | def_thread.use_thread = DEF_USE_THREAD; | |
a6ccc7be JA |
1080 | def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
1081 | def_thread.rwmixread = DEF_RWMIX_READ; | |
b6f4d880 | 1082 | def_thread.nice = DEF_NICE; |
9ebc27e1 | 1083 | def_thread.rand_repeatable = DEF_RAND_REPEAT; |
53cdc686 | 1084 | def_thread.nr_files = DEF_NR_FILES; |
f6cbb269 | 1085 | def_thread.unlink = DEF_UNLINK; |
ec94ec56 JA |
1086 | def_thread.write_bw_log = write_bw_log; |
1087 | def_thread.write_lat_log = write_lat_log; | |
bb8895e0 | 1088 | def_thread.norandommap = DEF_NO_RAND_MAP; |
56bb17f2 | 1089 | def_thread.hugepage_size = DEF_HUGEPAGE_SIZE; |
9c1f7434 | 1090 | def_thread.thinktime_blocks = DEF_THINKTIME_BLOCKS; |
ebac4655 JA |
1091 | #ifdef FIO_HAVE_DISK_UTIL |
1092 | def_thread.do_disk_util = 1; | |
1093 | #endif | |
1094 | ||
1095 | return 0; | |
1096 | } | |
1097 | ||
0ab8db89 | 1098 | static void usage(void) |
4785f995 JA |
1099 | { |
1100 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1101 | printf("\t--output\tWrite output to file\n"); |
1102 | printf("\t--timeout\tRuntime in seconds\n"); | |
1103 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1104 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1105 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1106 | printf("\t--version\tPrint version info and exit\n"); | |
4785f995 JA |
1107 | } |
1108 | ||
972cfd25 | 1109 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1110 | { |
b4692828 | 1111 | struct thread_data *td = NULL; |
c2b1e753 | 1112 | int c, ini_idx = 0, lidx, ret; |
ebac4655 | 1113 | |
b4692828 | 1114 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1115 | switch (c) { |
b4692828 JA |
1116 | case 't': |
1117 | def_timeout = atoi(optarg); | |
1118 | break; | |
1119 | case 'l': | |
1120 | write_lat_log = 1; | |
1121 | break; | |
1122 | case 'w': | |
1123 | write_bw_log = 1; | |
1124 | break; | |
1125 | case 'o': | |
1126 | f_out = fopen(optarg, "w+"); | |
1127 | if (!f_out) { | |
1128 | perror("fopen output"); | |
1129 | exit(1); | |
1130 | } | |
1131 | f_err = f_out; | |
1132 | break; | |
1133 | case 'm': | |
1134 | terse_output = 1; | |
1135 | break; | |
1136 | case 'h': | |
1137 | usage(); | |
1138 | exit(0); | |
1139 | case 'v': | |
1140 | printf("%s\n", fio_version_string); | |
1141 | exit(0); | |
1142 | case FIO_GETOPT_JOB: { | |
1143 | const char *opt = long_options[lidx].name; | |
1144 | char *val = optarg; | |
1145 | ||
c2b1e753 JA |
1146 | if (!strncmp(opt, "name", 4) && td) { |
1147 | ret = add_job(td, td->name ?: "fio", 0); | |
1148 | if (ret) { | |
1149 | put_job(td); | |
1150 | return 0; | |
1151 | } | |
1152 | td = NULL; | |
1153 | } | |
b4692828 | 1154 | if (!td) { |
38d0adb0 | 1155 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1156 | |
1157 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1158 | if (!td) |
1159 | return 0; | |
1160 | } | |
38d0adb0 | 1161 | |
b1508cf9 JA |
1162 | ret = parse_cmd_option(opt, val, options, td); |
1163 | if (ret) { | |
1164 | log_err("fio: job dropped\n"); | |
1165 | put_job(td); | |
1166 | td = NULL; | |
1167 | } | |
b4692828 JA |
1168 | break; |
1169 | } | |
1170 | default: | |
b4692828 | 1171 | break; |
ebac4655 JA |
1172 | } |
1173 | } | |
c9fad893 | 1174 | |
b4692828 | 1175 | if (td) { |
c2b1e753 | 1176 | ret = add_job(td, td->name ?: "fio", 0); |
b4692828 JA |
1177 | if (ret) |
1178 | put_job(td); | |
972cfd25 | 1179 | } |
774a6177 | 1180 | |
b4692828 JA |
1181 | while (optind < argc) { |
1182 | ini_idx++; | |
1183 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1184 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1185 | optind++; | |
eb8bbf48 | 1186 | } |
972cfd25 JA |
1187 | |
1188 | return ini_idx; | |
ebac4655 JA |
1189 | } |
1190 | ||
1191 | static void free_shm(void) | |
1192 | { | |
1193 | struct shmid_ds sbuf; | |
1194 | ||
1195 | if (threads) { | |
2c0ecd28 | 1196 | shmdt((void *) threads); |
ebac4655 JA |
1197 | threads = NULL; |
1198 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1199 | } | |
1200 | } | |
1201 | ||
906c8d75 JA |
1202 | /* |
1203 | * The thread area is shared between the main process and the job | |
1204 | * threads/processes. So setup a shared memory segment that will hold | |
1205 | * all the job info. | |
1206 | */ | |
ebac4655 JA |
1207 | static int setup_thread_area(void) |
1208 | { | |
1209 | /* | |
1210 | * 1024 is too much on some machines, scale max_jobs if | |
1211 | * we get a failure that looks like too large a shm segment | |
1212 | */ | |
1213 | do { | |
906c8d75 | 1214 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1215 | |
906c8d75 | 1216 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1217 | if (shm_id != -1) |
1218 | break; | |
1219 | if (errno != EINVAL) { | |
1220 | perror("shmget"); | |
1221 | break; | |
1222 | } | |
1223 | ||
1224 | max_jobs >>= 1; | |
1225 | } while (max_jobs); | |
1226 | ||
1227 | if (shm_id == -1) | |
1228 | return 1; | |
1229 | ||
1230 | threads = shmat(shm_id, NULL, 0); | |
1231 | if (threads == (void *) -1) { | |
1232 | perror("shmat"); | |
1233 | return 1; | |
1234 | } | |
1235 | ||
1236 | atexit(free_shm); | |
1237 | return 0; | |
1238 | } | |
1239 | ||
b4692828 JA |
1240 | /* |
1241 | * Copy the fio options into the long options map, so we mirror | |
1242 | * job and cmd line options. | |
1243 | */ | |
1244 | static void dupe_job_options(void) | |
1245 | { | |
1246 | struct fio_option *o; | |
1247 | unsigned int i; | |
1248 | ||
1249 | i = 0; | |
1250 | while (long_options[i].name) | |
1251 | i++; | |
1252 | ||
1253 | o = &options[0]; | |
1254 | while (o->name) { | |
1255 | long_options[i].name = o->name; | |
1256 | long_options[i].val = FIO_GETOPT_JOB; | |
1257 | if (o->type == FIO_OPT_STR_SET) | |
1258 | long_options[i].has_arg = no_argument; | |
1259 | else | |
1260 | long_options[i].has_arg = required_argument; | |
1261 | ||
1262 | i++; | |
1263 | o++; | |
1264 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1265 | } | |
1266 | } | |
1267 | ||
ebac4655 JA |
1268 | int parse_options(int argc, char *argv[]) |
1269 | { | |
972cfd25 JA |
1270 | int job_files, i; |
1271 | ||
b4692828 JA |
1272 | f_out = stdout; |
1273 | f_err = stderr; | |
1274 | ||
1275 | dupe_job_options(); | |
1276 | ||
ebac4655 JA |
1277 | if (setup_thread_area()) |
1278 | return 1; | |
1279 | if (fill_def_thread()) | |
1280 | return 1; | |
1281 | ||
972cfd25 | 1282 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1283 | |
972cfd25 JA |
1284 | for (i = 0; i < job_files; i++) { |
1285 | if (fill_def_thread()) | |
1286 | return 1; | |
0c7e37a0 | 1287 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1288 | return 1; |
88c6ed80 | 1289 | free(ini_file[i]); |
972cfd25 | 1290 | } |
ebac4655 | 1291 | |
88c6ed80 | 1292 | free(ini_file); |
b4692828 JA |
1293 | |
1294 | if (!thread_number) { | |
1295 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1296 | return 1; |
1297 | } | |
1298 | ||
ebac4655 JA |
1299 | return 0; |
1300 | } |