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) | |
bb8895e0 | 54 | #define DEF_NO_RAND_MAP (0) |
ebac4655 | 55 | |
e1f36503 JA |
56 | #define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) |
57 | ||
b4692828 JA |
58 | static int str_rw_cb(void *, const char *); |
59 | static int str_ioengine_cb(void *, const char *); | |
60 | static int str_mem_cb(void *, const char *); | |
61 | static int str_verify_cb(void *, const char *); | |
e1f36503 JA |
62 | static int str_lockmem_cb(void *, unsigned long *); |
63 | static int str_prio_cb(void *, unsigned int *); | |
64 | static int str_prioclass_cb(void *, unsigned int *); | |
65 | static int str_exitall_cb(void); | |
66 | static int str_cpumask_cb(void *, unsigned int *); | |
67 | ||
68 | /* | |
69 | * Map of job/command line options | |
70 | */ | |
71 | static struct fio_option options[] = { | |
72 | { | |
73 | .name = "name", | |
74 | .type = FIO_OPT_STR_STORE, | |
75 | .off1 = td_var_offset(name), | |
76 | }, | |
77 | { | |
78 | .name = "directory", | |
79 | .type = FIO_OPT_STR_STORE, | |
80 | .off1 = td_var_offset(directory), | |
81 | }, | |
82 | { | |
83 | .name = "filename", | |
84 | .type = FIO_OPT_STR_STORE, | |
85 | .off1 = td_var_offset(filename), | |
86 | }, | |
87 | { | |
88 | .name = "rw", | |
89 | .type = FIO_OPT_STR, | |
90 | .cb = str_rw_cb, | |
91 | }, | |
92 | { | |
93 | .name = "ioengine", | |
94 | .type = FIO_OPT_STR, | |
95 | .cb = str_ioengine_cb, | |
96 | }, | |
97 | { | |
98 | .name = "mem", | |
99 | .type = FIO_OPT_STR, | |
100 | .cb = str_mem_cb, | |
101 | }, | |
102 | { | |
103 | .name = "verify", | |
104 | .type = FIO_OPT_STR, | |
105 | .cb = str_verify_cb, | |
106 | }, | |
107 | { | |
108 | .name = "write_iolog", | |
076efc7c JA |
109 | .type = FIO_OPT_STR_STORE, |
110 | .off1 = td_var_offset(write_iolog_file), | |
e1f36503 JA |
111 | }, |
112 | { | |
076efc7c | 113 | .name = "read_iolog", |
e1f36503 | 114 | .type = FIO_OPT_STR_STORE, |
076efc7c | 115 | .off1 = td_var_offset(read_iolog_file), |
e1f36503 JA |
116 | }, |
117 | { | |
118 | .name = "exec_prerun", | |
119 | .type = FIO_OPT_STR_STORE, | |
120 | .off1 = td_var_offset(exec_prerun), | |
121 | }, | |
122 | { | |
123 | .name = "exec_postrun", | |
124 | .type = FIO_OPT_STR_STORE, | |
125 | .off1 = td_var_offset(exec_postrun), | |
126 | }, | |
127 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
128 | { | |
129 | .name = "ioscheduler", | |
130 | .type = FIO_OPT_STR_STORE, | |
131 | .off1 = td_var_offset(ioscheduler), | |
132 | }, | |
133 | #endif | |
134 | { | |
135 | .name = "size", | |
136 | .type = FIO_OPT_STR_VAL, | |
137 | .off1 = td_var_offset(total_file_size), | |
138 | }, | |
139 | { | |
140 | .name = "bs", | |
75e6f36f | 141 | .type = FIO_OPT_STR_VAL_INT, |
a00735e6 JA |
142 | .off1 = td_var_offset(bs[DDIR_READ]), |
143 | }, | |
144 | { | |
145 | .name = "read_bs", | |
75e6f36f | 146 | .type = FIO_OPT_STR_VAL_INT, |
a00735e6 JA |
147 | .off1 = td_var_offset(bs[DDIR_READ]), |
148 | }, | |
149 | { | |
150 | .name = "write_bs", | |
75e6f36f | 151 | .type = FIO_OPT_STR_VAL_INT, |
a00735e6 | 152 | .off1 = td_var_offset(bs[DDIR_WRITE]), |
e1f36503 JA |
153 | }, |
154 | { | |
155 | .name = "offset", | |
156 | .type = FIO_OPT_STR_VAL, | |
157 | .off1 = td_var_offset(start_offset), | |
158 | }, | |
159 | { | |
160 | .name = "zonesize", | |
161 | .type = FIO_OPT_STR_VAL, | |
162 | .off1 = td_var_offset(zone_size), | |
163 | }, | |
164 | { | |
165 | .name = "zoneskip", | |
166 | .type = FIO_OPT_STR_VAL, | |
167 | .off1 = td_var_offset(zone_skip), | |
168 | }, | |
169 | { | |
170 | .name = "lockmem", | |
171 | .type = FIO_OPT_STR_VAL, | |
172 | .cb = str_lockmem_cb, | |
173 | }, | |
174 | { | |
175 | .name = "bsrange", | |
176 | .type = FIO_OPT_RANGE, | |
a00735e6 JA |
177 | .off1 = td_var_offset(min_bs[DDIR_READ]), |
178 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
179 | }, | |
180 | { | |
181 | .name = "read_bsrange", | |
182 | .type = FIO_OPT_RANGE, | |
183 | .off1 = td_var_offset(min_bs[DDIR_READ]), | |
184 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
185 | }, | |
186 | { | |
187 | .name = "write_bsrange", | |
188 | .type = FIO_OPT_RANGE, | |
189 | .off1 = td_var_offset(min_bs[DDIR_WRITE]), | |
190 | .off2 = td_var_offset(max_bs[DDIR_WRITE]), | |
e1f36503 JA |
191 | }, |
192 | { | |
193 | .name = "nrfiles", | |
194 | .type = FIO_OPT_INT, | |
195 | .off1 = td_var_offset(nr_files), | |
196 | }, | |
197 | { | |
198 | .name = "iodepth", | |
199 | .type = FIO_OPT_INT, | |
200 | .off1 = td_var_offset(iodepth), | |
201 | }, | |
202 | { | |
203 | .name = "fsync", | |
204 | .type = FIO_OPT_INT, | |
205 | .off1 = td_var_offset(fsync_blocks), | |
206 | }, | |
207 | { | |
208 | .name = "rwmixcycle", | |
209 | .type = FIO_OPT_INT, | |
210 | .off1 = td_var_offset(rwmixcycle), | |
211 | }, | |
212 | { | |
213 | .name = "rwmixread", | |
214 | .type = FIO_OPT_INT, | |
215 | .off1 = td_var_offset(rwmixread), | |
216 | .max_val= 100, | |
217 | }, | |
218 | { | |
219 | .name = "rwmixwrite", | |
220 | .type = FIO_OPT_INT, | |
221 | .off1 = td_var_offset(rwmixwrite), | |
222 | .max_val= 100, | |
223 | }, | |
224 | { | |
225 | .name = "nice", | |
226 | .type = FIO_OPT_INT, | |
227 | .off1 = td_var_offset(nice), | |
228 | }, | |
229 | #ifdef FIO_HAVE_IOPRIO | |
230 | { | |
231 | .name = "prio", | |
232 | .type = FIO_OPT_INT, | |
233 | .cb = str_prio_cb, | |
234 | }, | |
235 | { | |
236 | .name = "prioclass", | |
237 | .type = FIO_OPT_INT, | |
238 | .cb = str_prioclass_cb, | |
239 | }, | |
240 | #endif | |
241 | { | |
242 | .name = "thinktime", | |
243 | .type = FIO_OPT_INT, | |
244 | .off1 = td_var_offset(thinktime) | |
245 | }, | |
246 | { | |
247 | .name = "rate", | |
248 | .type = FIO_OPT_INT, | |
249 | .off1 = td_var_offset(rate) | |
250 | }, | |
251 | { | |
252 | .name = "ratemin", | |
253 | .type = FIO_OPT_INT, | |
254 | .off1 = td_var_offset(ratemin) | |
255 | }, | |
256 | { | |
257 | .name = "ratecycle", | |
258 | .type = FIO_OPT_INT, | |
259 | .off1 = td_var_offset(ratecycle) | |
260 | }, | |
261 | { | |
262 | .name = "startdelay", | |
263 | .type = FIO_OPT_INT, | |
264 | .off1 = td_var_offset(start_delay) | |
265 | }, | |
266 | { | |
267 | .name = "timeout", | |
268 | .type = FIO_OPT_STR_VAL_TIME, | |
269 | .off1 = td_var_offset(timeout) | |
270 | }, | |
271 | { | |
272 | .name = "invalidate", | |
273 | .type = FIO_OPT_INT, | |
274 | .off1 = td_var_offset(invalidate_cache) | |
275 | }, | |
276 | { | |
277 | .name = "sync", | |
278 | .type = FIO_OPT_INT, | |
279 | .off1 = td_var_offset(sync_io) | |
280 | }, | |
281 | { | |
282 | .name = "bwavgtime", | |
283 | .type = FIO_OPT_INT, | |
284 | .off1 = td_var_offset(bw_avg_time) | |
285 | }, | |
286 | { | |
287 | .name = "create_serialize", | |
288 | .type = FIO_OPT_INT, | |
289 | .off1 = td_var_offset(create_serialize) | |
290 | }, | |
291 | { | |
292 | .name = "create_fsync", | |
293 | .type = FIO_OPT_INT, | |
294 | .off1 = td_var_offset(create_fsync) | |
295 | }, | |
296 | { | |
297 | .name = "loops", | |
298 | .type = FIO_OPT_INT, | |
299 | .off1 = td_var_offset(loops) | |
300 | }, | |
301 | { | |
302 | .name = "numjobs", | |
303 | .type = FIO_OPT_INT, | |
304 | .off1 = td_var_offset(numjobs) | |
305 | }, | |
306 | { | |
307 | .name = "cpuload", | |
308 | .type = FIO_OPT_INT, | |
309 | .off1 = td_var_offset(cpuload) | |
310 | }, | |
311 | { | |
312 | .name = "cpuchunks", | |
313 | .type = FIO_OPT_INT, | |
314 | .off1 = td_var_offset(cpucycle) | |
315 | }, | |
316 | { | |
317 | .name = "direct", | |
318 | .type = FIO_OPT_INT, | |
319 | .off1 = td_var_offset(odirect) | |
320 | }, | |
321 | { | |
322 | .name = "overwrite", | |
323 | .type = FIO_OPT_INT, | |
324 | .off1 = td_var_offset(overwrite) | |
325 | }, | |
326 | #ifdef FIO_HAVE_CPU_AFFINITY | |
327 | { | |
328 | .name = "cpumask", | |
329 | .type = FIO_OPT_INT, | |
330 | .cb = str_cpumask_cb, | |
331 | }, | |
332 | #endif | |
333 | { | |
334 | .name = "end_fsync", | |
335 | .type = FIO_OPT_INT, | |
336 | .off1 = td_var_offset(end_fsync) | |
337 | }, | |
338 | { | |
339 | .name = "unlink", | |
340 | .type = FIO_OPT_STR_SET, | |
341 | .off1 = td_var_offset(unlink), | |
342 | }, | |
343 | { | |
344 | .name = "exitall", | |
345 | .type = FIO_OPT_STR_SET, | |
346 | .cb = str_exitall_cb, | |
347 | }, | |
348 | { | |
349 | .name = "stonewall", | |
350 | .type = FIO_OPT_STR_SET, | |
351 | .off1 = td_var_offset(stonewall), | |
352 | }, | |
353 | { | |
354 | .name = "thread", | |
355 | .type = FIO_OPT_STR_SET, | |
356 | .off1 = td_var_offset(thread), | |
357 | }, | |
358 | { | |
359 | .name = "write_bw_log", | |
360 | .type = FIO_OPT_STR_SET, | |
361 | .off1 = td_var_offset(write_bw_log), | |
362 | }, | |
363 | { | |
364 | .name = "write_lat_log", | |
365 | .type = FIO_OPT_STR_SET, | |
366 | .off1 = td_var_offset(write_lat_log), | |
367 | }, | |
bb8895e0 JA |
368 | { |
369 | .name = "norandommap", | |
370 | .type = FIO_OPT_STR_SET, | |
371 | .off1 = td_var_offset(norandommap), | |
372 | }, | |
690adba3 JA |
373 | { |
374 | .name = "bs_unaligned", | |
375 | .type = FIO_OPT_STR_SET, | |
376 | .off1 = td_var_offset(bs_unaligned), | |
377 | }, | |
e1f36503 JA |
378 | { |
379 | .name = NULL, | |
380 | }, | |
381 | }; | |
382 | ||
b4692828 JA |
383 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
384 | #define FIO_CMD_OPTS (16) | |
385 | #define FIO_GETOPT_JOB (0x89988998) | |
386 | ||
387 | /* | |
388 | * Command line options. These will contain the above, plus a few | |
389 | * extra that only pertain to fio itself and not jobs. | |
390 | */ | |
391 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
392 | { | |
393 | .name = "output", | |
394 | .has_arg = required_argument, | |
395 | .val = 'o', | |
396 | }, | |
397 | { | |
398 | .name = "timeout", | |
399 | .has_arg = required_argument, | |
400 | .val = 't', | |
401 | }, | |
402 | { | |
403 | .name = "latency-log", | |
404 | .has_arg = required_argument, | |
405 | .val = 'l', | |
406 | }, | |
407 | { | |
408 | .name = "bandwidth-log", | |
409 | .has_arg = required_argument, | |
410 | .val = 'b', | |
411 | }, | |
412 | { | |
413 | .name = "minimal", | |
414 | .has_arg = optional_argument, | |
415 | .val = 'm', | |
416 | }, | |
417 | { | |
418 | .name = "version", | |
419 | .has_arg = no_argument, | |
420 | .val = 'v', | |
421 | }, | |
422 | { | |
423 | .name = NULL, | |
424 | }, | |
425 | }; | |
426 | ||
972cfd25 | 427 | static int def_timeout = DEF_TIMEOUT; |
972cfd25 | 428 | |
b4692828 | 429 | static char fio_version_string[] = "fio 1.7"; |
ebac4655 | 430 | |
972cfd25 | 431 | static char **ini_file; |
ebac4655 JA |
432 | static int max_jobs = MAX_JOBS; |
433 | ||
434 | struct thread_data def_thread; | |
435 | struct thread_data *threads = NULL; | |
436 | ||
437 | int rate_quit = 0; | |
ebac4655 | 438 | int exitall_on_terminate = 0; |
c6ae0a5b | 439 | int terse_output = 0; |
c04f7ec3 | 440 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
441 | FILE *f_out = NULL; |
442 | FILE *f_err = NULL; | |
ebac4655 | 443 | |
ec94ec56 JA |
444 | static int write_lat_log = DEF_WRITE_LAT_LOG; |
445 | static int write_bw_log = DEF_WRITE_BW_LOG; | |
446 | ||
906c8d75 JA |
447 | /* |
448 | * Return a free job structure. | |
449 | */ | |
ebac4655 JA |
450 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
451 | { | |
452 | struct thread_data *td; | |
453 | ||
454 | if (global) | |
455 | return &def_thread; | |
456 | if (thread_number >= max_jobs) | |
457 | return NULL; | |
458 | ||
459 | td = &threads[thread_number++]; | |
ddaeaa5a | 460 | *td = *parent; |
ebac4655 | 461 | |
ebac4655 | 462 | td->thread_number = thread_number; |
ebac4655 JA |
463 | return td; |
464 | } | |
465 | ||
466 | static void put_job(struct thread_data *td) | |
467 | { | |
549577a7 JA |
468 | if (td == &def_thread) |
469 | return; | |
470 | ||
ebac4655 JA |
471 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
472 | thread_number--; | |
473 | } | |
474 | ||
dad915e3 JA |
475 | /* |
476 | * Lazy way of fixing up options that depend on each other. We could also | |
477 | * define option callback handlers, but this is easier. | |
478 | */ | |
e1f36503 JA |
479 | static void fixup_options(struct thread_data *td) |
480 | { | |
e1f36503 JA |
481 | if (!td->rwmixread && td->rwmixwrite) |
482 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 483 | |
076efc7c JA |
484 | if (td->write_iolog_file && td->read_iolog_file) { |
485 | log_err("fio: read iolog overrides write_iolog\n"); | |
486 | free(td->write_iolog_file); | |
487 | td->write_iolog_file = NULL; | |
488 | } | |
16b462ae JA |
489 | |
490 | if (td->io_ops->flags & FIO_SYNCIO) | |
491 | td->iodepth = 1; | |
492 | else { | |
493 | if (!td->iodepth) | |
494 | td->iodepth = td->nr_files; | |
495 | } | |
496 | ||
497 | /* | |
498 | * only really works for sequential io for now, and with 1 file | |
499 | */ | |
500 | if (td->zone_size && !td->sequential && td->nr_files == 1) | |
501 | td->zone_size = 0; | |
502 | ||
503 | /* | |
504 | * Reads can do overwrites, we always need to pre-create the file | |
505 | */ | |
506 | if (td_read(td) || td_rw(td)) | |
507 | td->overwrite = 1; | |
508 | ||
a00735e6 JA |
509 | if (td->bs[DDIR_READ] != DEF_BS) |
510 | td->bs[DDIR_WRITE] = td->bs[DDIR_READ]; | |
511 | if (!td->min_bs[DDIR_READ]) | |
512 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
513 | if (!td->max_bs[DDIR_READ]) | |
514 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
515 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 516 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 517 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 518 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
519 | |
520 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
521 | ||
16b462ae JA |
522 | if (td_read(td) && !td_rw(td)) |
523 | td->verify = 0; | |
bb8895e0 JA |
524 | |
525 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
526 | log_err("fio: norandommap given, verify disabled\n"); | |
527 | td->verify = VERIFY_NONE; | |
528 | } | |
690adba3 JA |
529 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
530 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e1f36503 JA |
531 | } |
532 | ||
906c8d75 JA |
533 | /* |
534 | * Adds a job to the list of things todo. Sanitizes the various options | |
535 | * to make sure we don't have conflicts, and initializes various | |
536 | * members of td. | |
537 | */ | |
75154845 | 538 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 539 | { |
3d60d1ed JA |
540 | char *ddir_str[] = { "read", "write", "randread", "randwrite", |
541 | "rw", NULL, "randrw" }; | |
ebac4655 | 542 | struct stat sb; |
53cdc686 JA |
543 | int numjobs, ddir, i; |
544 | struct fio_file *f; | |
ebac4655 JA |
545 | |
546 | #ifndef FIO_HAVE_LIBAIO | |
547 | if (td->io_engine == FIO_LIBAIO) { | |
3b70d7e5 | 548 | log_err("Linux libaio not available\n"); |
ebac4655 JA |
549 | return 1; |
550 | } | |
551 | #endif | |
552 | #ifndef FIO_HAVE_POSIXAIO | |
553 | if (td->io_engine == FIO_POSIXAIO) { | |
3b70d7e5 | 554 | log_err("posix aio not available\n"); |
ebac4655 JA |
555 | return 1; |
556 | } | |
557 | #endif | |
ebac4655 JA |
558 | |
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 | ||
16b462ae | 579 | fixup_options(td); |
9cc935a1 | 580 | |
ebac4655 | 581 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
582 | if (!stat(jobname, &sb)) { |
583 | if (S_ISBLK(sb.st_mode)) | |
584 | td->filetype = FIO_TYPE_BD; | |
585 | else if (S_ISCHR(sb.st_mode)) | |
586 | td->filetype = FIO_TYPE_CHAR; | |
587 | } | |
ebac4655 | 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 JA |
596 | int len = 0; |
597 | int i; | |
e9c047a0 | 598 | |
ef899b63 | 599 | if (td->directory && td->directory[0] != '\0') |
53cdc686 | 600 | sprintf(tmp, "%s/", td->directory); |
ebac4655 | 601 | |
53cdc686 JA |
602 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
603 | ||
604 | for_each_file(td, f, i) { | |
605 | memset(f, 0, sizeof(*f)); | |
606 | f->fd = -1; | |
607 | ||
13f8e2d2 JA |
608 | if (td->filename) |
609 | sprintf(tmp + len, "%s", td->filename); | |
610 | else | |
611 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
612 | f->file_name = strdup(tmp); |
613 | } | |
614 | } else { | |
615 | td->nr_files = 1; | |
616 | td->files = malloc(sizeof(struct fio_file)); | |
617 | f = &td->files[0]; | |
618 | ||
619 | memset(f, 0, sizeof(*f)); | |
620 | f->fd = -1; | |
621 | f->file_name = strdup(jobname); | |
622 | } | |
623 | ||
624 | for_each_file(td, f, i) { | |
625 | f->file_size = td->total_file_size / td->nr_files; | |
626 | f->file_offset = td->start_offset; | |
627 | } | |
628 | ||
bbfd6b00 | 629 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
630 | |
631 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
632 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
633 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
634 | ||
ebac4655 JA |
635 | if (td->stonewall && td->thread_number > 1) |
636 | groupid++; | |
637 | ||
638 | td->groupid = groupid; | |
639 | ||
640 | if (setup_rate(td)) | |
641 | goto err; | |
642 | ||
ec94ec56 | 643 | if (td->write_lat_log) { |
ebac4655 JA |
644 | setup_log(&td->slat_log); |
645 | setup_log(&td->clat_log); | |
646 | } | |
ec94ec56 | 647 | if (td->write_bw_log) |
ebac4655 JA |
648 | setup_log(&td->bw_log); |
649 | ||
b4692828 JA |
650 | if (!td->name) |
651 | td->name = strdup(jobname); | |
01452055 | 652 | |
3d60d1ed | 653 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 654 | |
c6ae0a5b | 655 | if (!terse_output) { |
b990b5c0 | 656 | if (!job_add_num) { |
2866c82d | 657 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
658 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
659 | else | |
a00735e6 | 660 | fprintf(f_out, "%s: (g=%d): rw=%s, odir=%d, bs=%d-%d/%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, td->min_bs[DDIR_READ], td->max_bs[DDIR_READ], td->min_bs[DDIR_WRITE], td->max_bs[DDIR_WRITE], td->rate, td->io_ops->name, td->iodepth); |
b990b5c0 | 661 | } else if (job_add_num == 1) |
c6ae0a5b JA |
662 | fprintf(f_out, "...\n"); |
663 | } | |
ebac4655 JA |
664 | |
665 | /* | |
666 | * recurse add identical jobs, clear numjobs and stonewall options | |
667 | * as they don't apply to sub-jobs | |
668 | */ | |
669 | numjobs = td->numjobs; | |
670 | while (--numjobs) { | |
671 | struct thread_data *td_new = get_new_job(0, td); | |
672 | ||
673 | if (!td_new) | |
674 | goto err; | |
675 | ||
676 | td_new->numjobs = 1; | |
677 | td_new->stonewall = 0; | |
75154845 | 678 | job_add_num = numjobs - 1; |
ebac4655 | 679 | |
75154845 | 680 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
681 | goto err; |
682 | } | |
683 | return 0; | |
684 | err: | |
685 | put_job(td); | |
686 | return -1; | |
687 | } | |
688 | ||
906c8d75 JA |
689 | /* |
690 | * Initialize the various random states we need (random io, block size ranges, | |
691 | * read/write mix, etc). | |
692 | */ | |
ebac4655 JA |
693 | int init_random_state(struct thread_data *td) |
694 | { | |
a6ccc7be | 695 | unsigned long seeds[4]; |
53cdc686 | 696 | int fd, num_maps, blocks, i; |
0ab8db89 | 697 | struct fio_file *f; |
ebac4655 | 698 | |
f48b467c JA |
699 | if (td->io_ops->flags & FIO_CPUIO) |
700 | return 0; | |
701 | ||
1ac267bb | 702 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
703 | if (fd == -1) { |
704 | td_verror(td, errno); | |
705 | return 1; | |
706 | } | |
707 | ||
a6ccc7be | 708 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
709 | td_verror(td, EIO); |
710 | close(fd); | |
711 | return 1; | |
712 | } | |
713 | ||
714 | close(fd); | |
715 | ||
6dfd46b9 JA |
716 | os_random_seed(seeds[0], &td->bsrange_state); |
717 | os_random_seed(seeds[1], &td->verify_state); | |
718 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
719 | |
720 | if (td->sequential) | |
721 | return 0; | |
722 | ||
9ebc27e1 | 723 | if (td->rand_repeatable) |
a6ccc7be | 724 | seeds[3] = DEF_RANDSEED; |
ebac4655 | 725 | |
bb8895e0 JA |
726 | if (!td->norandommap) { |
727 | for_each_file(td, f, i) { | |
a00735e6 | 728 | blocks = (f->file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 729 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
730 | f->file_map = malloc(num_maps * sizeof(long)); |
731 | f->num_maps = num_maps; | |
732 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
733 | } | |
53cdc686 | 734 | } |
ebac4655 | 735 | |
6dfd46b9 | 736 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
737 | return 0; |
738 | } | |
739 | ||
740 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
741 | { | |
742 | #ifdef FIO_HAVE_CPU_AFFINITY | |
743 | unsigned int i; | |
744 | ||
745 | CPU_ZERO(&cpumask); | |
746 | ||
747 | for (i = 0; i < sizeof(int) * 8; i++) { | |
748 | if ((1 << i) & cpu) | |
749 | CPU_SET(i, &cpumask); | |
750 | } | |
751 | #endif | |
752 | } | |
753 | ||
ebac4655 JA |
754 | static int is_empty_or_comment(char *line) |
755 | { | |
756 | unsigned int i; | |
757 | ||
758 | for (i = 0; i < strlen(line); i++) { | |
759 | if (line[i] == ';') | |
760 | return 1; | |
761 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
762 | return 0; | |
763 | } | |
764 | ||
765 | return 1; | |
766 | } | |
767 | ||
b4692828 | 768 | static int str_rw_cb(void *data, const char *mem) |
ebac4655 | 769 | { |
cb2c86fd JA |
770 | struct thread_data *td = data; |
771 | ||
ebac4655 JA |
772 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
773 | td->ddir = DDIR_READ; | |
774 | td->sequential = 1; | |
775 | return 0; | |
776 | } else if (!strncmp(mem, "randread", 8)) { | |
777 | td->ddir = DDIR_READ; | |
778 | td->sequential = 0; | |
779 | return 0; | |
780 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
781 | td->ddir = DDIR_WRITE; | |
782 | td->sequential = 1; | |
783 | return 0; | |
784 | } else if (!strncmp(mem, "randwrite", 9)) { | |
785 | td->ddir = DDIR_WRITE; | |
786 | td->sequential = 0; | |
787 | return 0; | |
3d60d1ed JA |
788 | } else if (!strncmp(mem, "rw", 2)) { |
789 | td->ddir = 0; | |
790 | td->iomix = 1; | |
791 | td->sequential = 1; | |
792 | return 0; | |
793 | } else if (!strncmp(mem, "randrw", 6)) { | |
794 | td->ddir = 0; | |
795 | td->iomix = 1; | |
796 | td->sequential = 0; | |
797 | return 0; | |
ebac4655 JA |
798 | } |
799 | ||
3b70d7e5 | 800 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
801 | return 1; |
802 | } | |
803 | ||
b4692828 | 804 | static int str_verify_cb(void *data, const char *mem) |
ebac4655 | 805 | { |
cb2c86fd JA |
806 | struct thread_data *td = data; |
807 | ||
ebac4655 JA |
808 | if (!strncmp(mem, "0", 1)) { |
809 | td->verify = VERIFY_NONE; | |
810 | return 0; | |
811 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
812 | td->verify = VERIFY_MD5; | |
813 | return 0; | |
814 | } else if (!strncmp(mem, "crc32", 5)) { | |
815 | td->verify = VERIFY_CRC32; | |
816 | return 0; | |
817 | } | |
818 | ||
3b70d7e5 | 819 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
820 | return 1; |
821 | } | |
822 | ||
b4692828 | 823 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 824 | { |
cb2c86fd JA |
825 | struct thread_data *td = data; |
826 | ||
ebac4655 JA |
827 | if (!strncmp(mem, "malloc", 6)) { |
828 | td->mem_type = MEM_MALLOC; | |
829 | return 0; | |
830 | } else if (!strncmp(mem, "shm", 3)) { | |
831 | td->mem_type = MEM_SHM; | |
832 | return 0; | |
833 | } else if (!strncmp(mem, "mmap", 4)) { | |
834 | td->mem_type = MEM_MMAP; | |
835 | return 0; | |
836 | } | |
837 | ||
3b70d7e5 | 838 | log_err("fio: mem type: malloc, shm, mmap\n"); |
ebac4655 JA |
839 | return 1; |
840 | } | |
841 | ||
b4692828 | 842 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 843 | { |
cb2c86fd JA |
844 | struct thread_data *td = data; |
845 | ||
2866c82d JA |
846 | td->io_ops = load_ioengine(td, str); |
847 | if (td->io_ops) | |
b990b5c0 | 848 | return 0; |
ebac4655 | 849 | |
b990b5c0 | 850 | log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n"); |
ebac4655 JA |
851 | return 1; |
852 | } | |
853 | ||
e1f36503 JA |
854 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
855 | { | |
856 | mlock_size = *val; | |
857 | return 0; | |
858 | } | |
859 | ||
860 | static int str_prioclass_cb(void *data, unsigned int *val) | |
861 | { | |
862 | struct thread_data *td = data; | |
863 | ||
864 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
865 | return 0; | |
866 | } | |
867 | ||
868 | static int str_prio_cb(void *data, unsigned int *val) | |
869 | { | |
870 | struct thread_data *td = data; | |
871 | ||
872 | td->ioprio |= *val; | |
873 | return 0; | |
874 | } | |
875 | ||
876 | static int str_exitall_cb(void) | |
877 | { | |
878 | exitall_on_terminate = 1; | |
879 | return 0; | |
880 | } | |
881 | ||
882 | static int str_cpumask_cb(void *data, unsigned int *val) | |
883 | { | |
884 | struct thread_data *td = data; | |
885 | ||
886 | fill_cpu_mask(td->cpumask, *val); | |
887 | return 0; | |
888 | } | |
889 | ||
07261983 JA |
890 | /* |
891 | * This is our [ini] type file parser. | |
892 | */ | |
0c7e37a0 | 893 | int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 894 | { |
e1f36503 | 895 | unsigned int global; |
ebac4655 | 896 | struct thread_data *td; |
fee3bb48 | 897 | char *string, *name; |
ebac4655 JA |
898 | fpos_t off; |
899 | FILE *f; | |
900 | char *p; | |
0c7e37a0 | 901 | int ret = 0, stonewall; |
ebac4655 JA |
902 | |
903 | f = fopen(file, "r"); | |
904 | if (!f) { | |
aea47d44 | 905 | perror("fopen job file"); |
ebac4655 JA |
906 | return 1; |
907 | } | |
908 | ||
909 | string = malloc(4096); | |
910 | name = malloc(256); | |
fee3bb48 | 911 | memset(name, 0, 256); |
ebac4655 | 912 | |
0c7e37a0 | 913 | stonewall = stonewall_flag; |
7c124ac1 JA |
914 | do { |
915 | p = fgets(string, 4095, f); | |
916 | if (!p) | |
45410acb | 917 | break; |
ebac4655 JA |
918 | if (is_empty_or_comment(p)) |
919 | continue; | |
fee3bb48 | 920 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
921 | continue; |
922 | ||
923 | global = !strncmp(name, "global", 6); | |
924 | ||
925 | name[strlen(name) - 1] = '\0'; | |
926 | ||
927 | td = get_new_job(global, &def_thread); | |
45410acb JA |
928 | if (!td) { |
929 | ret = 1; | |
930 | break; | |
931 | } | |
ebac4655 | 932 | |
972cfd25 JA |
933 | /* |
934 | * Seperate multiple job files by a stonewall | |
935 | */ | |
f9481919 | 936 | if (!global && stonewall) { |
972cfd25 JA |
937 | td->stonewall = stonewall; |
938 | stonewall = 0; | |
939 | } | |
940 | ||
ebac4655 JA |
941 | fgetpos(f, &off); |
942 | while ((p = fgets(string, 4096, f)) != NULL) { | |
943 | if (is_empty_or_comment(p)) | |
944 | continue; | |
e1f36503 | 945 | |
b6754f9d | 946 | strip_blank_front(&p); |
7c124ac1 JA |
947 | |
948 | if (p[0] == '[') | |
949 | break; | |
950 | ||
4ae3f763 | 951 | strip_blank_end(p); |
aea47d44 | 952 | |
e1f36503 | 953 | fgetpos(f, &off); |
ebac4655 | 954 | |
45410acb JA |
955 | /* |
956 | * Don't break here, continue parsing options so we | |
957 | * dump all the bad ones. Makes trial/error fixups | |
958 | * easier on the user. | |
959 | */ | |
7c124ac1 | 960 | ret |= parse_option(p, options, td); |
ebac4655 | 961 | } |
ebac4655 | 962 | |
45410acb JA |
963 | if (!ret) { |
964 | fsetpos(f, &off); | |
965 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
966 | } else { |
967 | log_err("fio: job %s dropped\n", name); | |
968 | put_job(td); | |
45410acb | 969 | } |
7c124ac1 | 970 | } while (!ret); |
ebac4655 JA |
971 | |
972 | free(string); | |
973 | free(name); | |
974 | fclose(f); | |
45410acb | 975 | return ret; |
ebac4655 JA |
976 | } |
977 | ||
978 | static int fill_def_thread(void) | |
979 | { | |
980 | memset(&def_thread, 0, sizeof(def_thread)); | |
981 | ||
982 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
983 | perror("sched_getaffinity"); | |
984 | return 1; | |
985 | } | |
986 | ||
987 | /* | |
988 | * fill globals | |
989 | */ | |
990 | def_thread.ddir = DDIR_READ; | |
3d60d1ed | 991 | def_thread.iomix = 0; |
a00735e6 JA |
992 | def_thread.bs[DDIR_READ] = DEF_BS; |
993 | def_thread.bs[DDIR_WRITE] = DEF_BS; | |
994 | def_thread.min_bs[DDIR_READ] = def_thread.min_bs[DDIR_WRITE] = 0; | |
995 | def_thread.max_bs[DDIR_READ] = def_thread.max_bs[DDIR_WRITE] = 0; | |
9ebc27e1 | 996 | def_thread.odirect = DEF_ODIRECT; |
ebac4655 | 997 | def_thread.ratecycle = DEF_RATE_CYCLE; |
9ebc27e1 | 998 | def_thread.sequential = DEF_SEQUENTIAL; |
972cfd25 | 999 | def_thread.timeout = def_timeout; |
ebac4655 JA |
1000 | def_thread.overwrite = DEF_OVERWRITE; |
1001 | def_thread.invalidate_cache = DEF_INVALIDATE; | |
1002 | def_thread.sync_io = DEF_SYNCIO; | |
1003 | def_thread.mem_type = MEM_MALLOC; | |
1004 | def_thread.bw_avg_time = DEF_BWAVGTIME; | |
1005 | def_thread.create_serialize = DEF_CREATE_SER; | |
1006 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
1007 | def_thread.loops = DEF_LOOPS; | |
1008 | def_thread.verify = DEF_VERIFY; | |
1009 | def_thread.stonewall = DEF_STONEWALL; | |
1010 | def_thread.numjobs = DEF_NUMJOBS; | |
1011 | def_thread.use_thread = DEF_USE_THREAD; | |
a6ccc7be JA |
1012 | def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
1013 | def_thread.rwmixread = DEF_RWMIX_READ; | |
b6f4d880 | 1014 | def_thread.nice = DEF_NICE; |
9ebc27e1 | 1015 | def_thread.rand_repeatable = DEF_RAND_REPEAT; |
53cdc686 | 1016 | def_thread.nr_files = DEF_NR_FILES; |
f6cbb269 | 1017 | def_thread.unlink = DEF_UNLINK; |
ec94ec56 JA |
1018 | def_thread.write_bw_log = write_bw_log; |
1019 | def_thread.write_lat_log = write_lat_log; | |
bb8895e0 | 1020 | def_thread.norandommap = DEF_NO_RAND_MAP; |
ebac4655 JA |
1021 | #ifdef FIO_HAVE_DISK_UTIL |
1022 | def_thread.do_disk_util = 1; | |
1023 | #endif | |
1024 | ||
1025 | return 0; | |
1026 | } | |
1027 | ||
0ab8db89 | 1028 | static void usage(void) |
4785f995 JA |
1029 | { |
1030 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1031 | printf("\t--output\tWrite output to file\n"); |
1032 | printf("\t--timeout\tRuntime in seconds\n"); | |
1033 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1034 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1035 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1036 | printf("\t--version\tPrint version info and exit\n"); | |
4785f995 JA |
1037 | } |
1038 | ||
972cfd25 | 1039 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1040 | { |
b4692828 | 1041 | struct thread_data *td = NULL; |
c2b1e753 | 1042 | int c, ini_idx = 0, lidx, ret; |
ebac4655 | 1043 | |
b4692828 | 1044 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1045 | switch (c) { |
b4692828 JA |
1046 | case 't': |
1047 | def_timeout = atoi(optarg); | |
1048 | break; | |
1049 | case 'l': | |
1050 | write_lat_log = 1; | |
1051 | break; | |
1052 | case 'w': | |
1053 | write_bw_log = 1; | |
1054 | break; | |
1055 | case 'o': | |
1056 | f_out = fopen(optarg, "w+"); | |
1057 | if (!f_out) { | |
1058 | perror("fopen output"); | |
1059 | exit(1); | |
1060 | } | |
1061 | f_err = f_out; | |
1062 | break; | |
1063 | case 'm': | |
1064 | terse_output = 1; | |
1065 | break; | |
1066 | case 'h': | |
1067 | usage(); | |
1068 | exit(0); | |
1069 | case 'v': | |
1070 | printf("%s\n", fio_version_string); | |
1071 | exit(0); | |
1072 | case FIO_GETOPT_JOB: { | |
1073 | const char *opt = long_options[lidx].name; | |
1074 | char *val = optarg; | |
1075 | ||
c2b1e753 JA |
1076 | if (!strncmp(opt, "name", 4) && td) { |
1077 | ret = add_job(td, td->name ?: "fio", 0); | |
1078 | if (ret) { | |
1079 | put_job(td); | |
1080 | return 0; | |
1081 | } | |
1082 | td = NULL; | |
1083 | } | |
b4692828 | 1084 | if (!td) { |
38d0adb0 | 1085 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1086 | |
1087 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1088 | if (!td) |
1089 | return 0; | |
1090 | } | |
38d0adb0 | 1091 | |
b1508cf9 JA |
1092 | ret = parse_cmd_option(opt, val, options, td); |
1093 | if (ret) { | |
1094 | log_err("fio: job dropped\n"); | |
1095 | put_job(td); | |
1096 | td = NULL; | |
1097 | } | |
b4692828 JA |
1098 | break; |
1099 | } | |
1100 | default: | |
1101 | printf("optarg <<%s>>\n", argv[optind]); | |
1102 | break; | |
ebac4655 JA |
1103 | } |
1104 | } | |
c9fad893 | 1105 | |
b4692828 | 1106 | if (td) { |
c2b1e753 | 1107 | ret = add_job(td, td->name ?: "fio", 0); |
b4692828 JA |
1108 | if (ret) |
1109 | put_job(td); | |
972cfd25 | 1110 | } |
774a6177 | 1111 | |
b4692828 JA |
1112 | while (optind < argc) { |
1113 | ini_idx++; | |
1114 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1115 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1116 | optind++; | |
eb8bbf48 | 1117 | } |
972cfd25 JA |
1118 | |
1119 | return ini_idx; | |
ebac4655 JA |
1120 | } |
1121 | ||
1122 | static void free_shm(void) | |
1123 | { | |
1124 | struct shmid_ds sbuf; | |
1125 | ||
1126 | if (threads) { | |
2c0ecd28 | 1127 | shmdt((void *) threads); |
ebac4655 JA |
1128 | threads = NULL; |
1129 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1130 | } | |
1131 | } | |
1132 | ||
906c8d75 JA |
1133 | /* |
1134 | * The thread area is shared between the main process and the job | |
1135 | * threads/processes. So setup a shared memory segment that will hold | |
1136 | * all the job info. | |
1137 | */ | |
ebac4655 JA |
1138 | static int setup_thread_area(void) |
1139 | { | |
1140 | /* | |
1141 | * 1024 is too much on some machines, scale max_jobs if | |
1142 | * we get a failure that looks like too large a shm segment | |
1143 | */ | |
1144 | do { | |
906c8d75 | 1145 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1146 | |
906c8d75 | 1147 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1148 | if (shm_id != -1) |
1149 | break; | |
1150 | if (errno != EINVAL) { | |
1151 | perror("shmget"); | |
1152 | break; | |
1153 | } | |
1154 | ||
1155 | max_jobs >>= 1; | |
1156 | } while (max_jobs); | |
1157 | ||
1158 | if (shm_id == -1) | |
1159 | return 1; | |
1160 | ||
1161 | threads = shmat(shm_id, NULL, 0); | |
1162 | if (threads == (void *) -1) { | |
1163 | perror("shmat"); | |
1164 | return 1; | |
1165 | } | |
1166 | ||
1167 | atexit(free_shm); | |
1168 | return 0; | |
1169 | } | |
1170 | ||
b4692828 JA |
1171 | /* |
1172 | * Copy the fio options into the long options map, so we mirror | |
1173 | * job and cmd line options. | |
1174 | */ | |
1175 | static void dupe_job_options(void) | |
1176 | { | |
1177 | struct fio_option *o; | |
1178 | unsigned int i; | |
1179 | ||
1180 | i = 0; | |
1181 | while (long_options[i].name) | |
1182 | i++; | |
1183 | ||
1184 | o = &options[0]; | |
1185 | while (o->name) { | |
1186 | long_options[i].name = o->name; | |
1187 | long_options[i].val = FIO_GETOPT_JOB; | |
1188 | if (o->type == FIO_OPT_STR_SET) | |
1189 | long_options[i].has_arg = no_argument; | |
1190 | else | |
1191 | long_options[i].has_arg = required_argument; | |
1192 | ||
1193 | i++; | |
1194 | o++; | |
1195 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1196 | } | |
1197 | } | |
1198 | ||
ebac4655 JA |
1199 | int parse_options(int argc, char *argv[]) |
1200 | { | |
972cfd25 JA |
1201 | int job_files, i; |
1202 | ||
b4692828 JA |
1203 | f_out = stdout; |
1204 | f_err = stderr; | |
1205 | ||
1206 | dupe_job_options(); | |
1207 | ||
ebac4655 JA |
1208 | if (setup_thread_area()) |
1209 | return 1; | |
1210 | if (fill_def_thread()) | |
1211 | return 1; | |
1212 | ||
972cfd25 | 1213 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1214 | |
972cfd25 JA |
1215 | for (i = 0; i < job_files; i++) { |
1216 | if (fill_def_thread()) | |
1217 | return 1; | |
0c7e37a0 | 1218 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1219 | return 1; |
88c6ed80 | 1220 | free(ini_file[i]); |
972cfd25 | 1221 | } |
ebac4655 | 1222 | |
88c6ed80 | 1223 | free(ini_file); |
b4692828 JA |
1224 | |
1225 | if (!thread_number) { | |
1226 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1227 | return 1; |
1228 | } | |
1229 | ||
ebac4655 JA |
1230 | return 0; |
1231 | } |