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 | 545 | |
ebac4655 JA |
546 | /* |
547 | * the def_thread is just for options, it's not a real job | |
548 | */ | |
549 | if (td == &def_thread) | |
550 | return 0; | |
551 | ||
df64119d JA |
552 | /* |
553 | * Set default io engine, if none set | |
554 | */ | |
555 | if (!td->io_ops) { | |
556 | td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME); | |
557 | if (!td->io_ops) { | |
558 | log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME); | |
559 | return 1; | |
560 | } | |
561 | } | |
562 | ||
690adba3 JA |
563 | if (td->odirect) |
564 | td->io_ops->flags |= FIO_RAWIO; | |
565 | ||
16b462ae | 566 | fixup_options(td); |
9cc935a1 | 567 | |
ebac4655 | 568 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
569 | if (!stat(jobname, &sb)) { |
570 | if (S_ISBLK(sb.st_mode)) | |
571 | td->filetype = FIO_TYPE_BD; | |
572 | else if (S_ISCHR(sb.st_mode)) | |
573 | td->filetype = FIO_TYPE_CHAR; | |
574 | } | |
ebac4655 | 575 | |
13f8e2d2 JA |
576 | if (td->filename) |
577 | td->nr_uniq_files = 1; | |
578 | else | |
579 | td->nr_uniq_files = td->nr_files; | |
580 | ||
581 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 582 | char tmp[PATH_MAX]; |
53cdc686 JA |
583 | int len = 0; |
584 | int i; | |
e9c047a0 | 585 | |
ef899b63 | 586 | if (td->directory && td->directory[0] != '\0') |
53cdc686 | 587 | sprintf(tmp, "%s/", td->directory); |
ebac4655 | 588 | |
53cdc686 JA |
589 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
590 | ||
591 | for_each_file(td, f, i) { | |
592 | memset(f, 0, sizeof(*f)); | |
593 | f->fd = -1; | |
594 | ||
13f8e2d2 JA |
595 | if (td->filename) |
596 | sprintf(tmp + len, "%s", td->filename); | |
597 | else | |
598 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
599 | f->file_name = strdup(tmp); |
600 | } | |
601 | } else { | |
602 | td->nr_files = 1; | |
603 | td->files = malloc(sizeof(struct fio_file)); | |
604 | f = &td->files[0]; | |
605 | ||
606 | memset(f, 0, sizeof(*f)); | |
607 | f->fd = -1; | |
608 | f->file_name = strdup(jobname); | |
609 | } | |
610 | ||
611 | for_each_file(td, f, i) { | |
612 | f->file_size = td->total_file_size / td->nr_files; | |
613 | f->file_offset = td->start_offset; | |
614 | } | |
615 | ||
bbfd6b00 | 616 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
617 | |
618 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
619 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
620 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
621 | ||
ebac4655 JA |
622 | if (td->stonewall && td->thread_number > 1) |
623 | groupid++; | |
624 | ||
625 | td->groupid = groupid; | |
626 | ||
627 | if (setup_rate(td)) | |
628 | goto err; | |
629 | ||
ec94ec56 | 630 | if (td->write_lat_log) { |
ebac4655 JA |
631 | setup_log(&td->slat_log); |
632 | setup_log(&td->clat_log); | |
633 | } | |
ec94ec56 | 634 | if (td->write_bw_log) |
ebac4655 JA |
635 | setup_log(&td->bw_log); |
636 | ||
b4692828 JA |
637 | if (!td->name) |
638 | td->name = strdup(jobname); | |
01452055 | 639 | |
3d60d1ed | 640 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 641 | |
c6ae0a5b | 642 | if (!terse_output) { |
b990b5c0 | 643 | if (!job_add_num) { |
2866c82d | 644 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
645 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
646 | else | |
a00735e6 | 647 | 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 | 648 | } else if (job_add_num == 1) |
c6ae0a5b JA |
649 | fprintf(f_out, "...\n"); |
650 | } | |
ebac4655 JA |
651 | |
652 | /* | |
653 | * recurse add identical jobs, clear numjobs and stonewall options | |
654 | * as they don't apply to sub-jobs | |
655 | */ | |
656 | numjobs = td->numjobs; | |
657 | while (--numjobs) { | |
658 | struct thread_data *td_new = get_new_job(0, td); | |
659 | ||
660 | if (!td_new) | |
661 | goto err; | |
662 | ||
663 | td_new->numjobs = 1; | |
664 | td_new->stonewall = 0; | |
75154845 | 665 | job_add_num = numjobs - 1; |
ebac4655 | 666 | |
75154845 | 667 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
668 | goto err; |
669 | } | |
670 | return 0; | |
671 | err: | |
672 | put_job(td); | |
673 | return -1; | |
674 | } | |
675 | ||
906c8d75 JA |
676 | /* |
677 | * Initialize the various random states we need (random io, block size ranges, | |
678 | * read/write mix, etc). | |
679 | */ | |
ebac4655 JA |
680 | int init_random_state(struct thread_data *td) |
681 | { | |
a6ccc7be | 682 | unsigned long seeds[4]; |
53cdc686 | 683 | int fd, num_maps, blocks, i; |
0ab8db89 | 684 | struct fio_file *f; |
ebac4655 | 685 | |
f48b467c JA |
686 | if (td->io_ops->flags & FIO_CPUIO) |
687 | return 0; | |
688 | ||
1ac267bb | 689 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
690 | if (fd == -1) { |
691 | td_verror(td, errno); | |
692 | return 1; | |
693 | } | |
694 | ||
a6ccc7be | 695 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
696 | td_verror(td, EIO); |
697 | close(fd); | |
698 | return 1; | |
699 | } | |
700 | ||
701 | close(fd); | |
702 | ||
6dfd46b9 JA |
703 | os_random_seed(seeds[0], &td->bsrange_state); |
704 | os_random_seed(seeds[1], &td->verify_state); | |
705 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
706 | |
707 | if (td->sequential) | |
708 | return 0; | |
709 | ||
9ebc27e1 | 710 | if (td->rand_repeatable) |
a6ccc7be | 711 | seeds[3] = DEF_RANDSEED; |
ebac4655 | 712 | |
bb8895e0 JA |
713 | if (!td->norandommap) { |
714 | for_each_file(td, f, i) { | |
a00735e6 | 715 | blocks = (f->file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 716 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
717 | f->file_map = malloc(num_maps * sizeof(long)); |
718 | f->num_maps = num_maps; | |
719 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
720 | } | |
53cdc686 | 721 | } |
ebac4655 | 722 | |
6dfd46b9 | 723 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
724 | return 0; |
725 | } | |
726 | ||
727 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
728 | { | |
729 | #ifdef FIO_HAVE_CPU_AFFINITY | |
730 | unsigned int i; | |
731 | ||
732 | CPU_ZERO(&cpumask); | |
733 | ||
734 | for (i = 0; i < sizeof(int) * 8; i++) { | |
735 | if ((1 << i) & cpu) | |
736 | CPU_SET(i, &cpumask); | |
737 | } | |
738 | #endif | |
739 | } | |
740 | ||
ebac4655 JA |
741 | static int is_empty_or_comment(char *line) |
742 | { | |
743 | unsigned int i; | |
744 | ||
745 | for (i = 0; i < strlen(line); i++) { | |
746 | if (line[i] == ';') | |
747 | return 1; | |
748 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
749 | return 0; | |
750 | } | |
751 | ||
752 | return 1; | |
753 | } | |
754 | ||
b4692828 | 755 | static int str_rw_cb(void *data, const char *mem) |
ebac4655 | 756 | { |
cb2c86fd JA |
757 | struct thread_data *td = data; |
758 | ||
ebac4655 JA |
759 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
760 | td->ddir = DDIR_READ; | |
761 | td->sequential = 1; | |
762 | return 0; | |
763 | } else if (!strncmp(mem, "randread", 8)) { | |
764 | td->ddir = DDIR_READ; | |
765 | td->sequential = 0; | |
766 | return 0; | |
767 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
768 | td->ddir = DDIR_WRITE; | |
769 | td->sequential = 1; | |
770 | return 0; | |
771 | } else if (!strncmp(mem, "randwrite", 9)) { | |
772 | td->ddir = DDIR_WRITE; | |
773 | td->sequential = 0; | |
774 | return 0; | |
3d60d1ed JA |
775 | } else if (!strncmp(mem, "rw", 2)) { |
776 | td->ddir = 0; | |
777 | td->iomix = 1; | |
778 | td->sequential = 1; | |
779 | return 0; | |
780 | } else if (!strncmp(mem, "randrw", 6)) { | |
781 | td->ddir = 0; | |
782 | td->iomix = 1; | |
783 | td->sequential = 0; | |
784 | return 0; | |
ebac4655 JA |
785 | } |
786 | ||
3b70d7e5 | 787 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
788 | return 1; |
789 | } | |
790 | ||
b4692828 | 791 | static int str_verify_cb(void *data, const char *mem) |
ebac4655 | 792 | { |
cb2c86fd JA |
793 | struct thread_data *td = data; |
794 | ||
ebac4655 JA |
795 | if (!strncmp(mem, "0", 1)) { |
796 | td->verify = VERIFY_NONE; | |
797 | return 0; | |
798 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
799 | td->verify = VERIFY_MD5; | |
800 | return 0; | |
801 | } else if (!strncmp(mem, "crc32", 5)) { | |
802 | td->verify = VERIFY_CRC32; | |
803 | return 0; | |
804 | } | |
805 | ||
3b70d7e5 | 806 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
807 | return 1; |
808 | } | |
809 | ||
b4692828 | 810 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 811 | { |
cb2c86fd JA |
812 | struct thread_data *td = data; |
813 | ||
ebac4655 JA |
814 | if (!strncmp(mem, "malloc", 6)) { |
815 | td->mem_type = MEM_MALLOC; | |
816 | return 0; | |
817 | } else if (!strncmp(mem, "shm", 3)) { | |
818 | td->mem_type = MEM_SHM; | |
819 | return 0; | |
820 | } else if (!strncmp(mem, "mmap", 4)) { | |
821 | td->mem_type = MEM_MMAP; | |
822 | return 0; | |
823 | } | |
824 | ||
3b70d7e5 | 825 | log_err("fio: mem type: malloc, shm, mmap\n"); |
ebac4655 JA |
826 | return 1; |
827 | } | |
828 | ||
b4692828 | 829 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 830 | { |
cb2c86fd JA |
831 | struct thread_data *td = data; |
832 | ||
2866c82d JA |
833 | td->io_ops = load_ioengine(td, str); |
834 | if (td->io_ops) | |
b990b5c0 | 835 | return 0; |
ebac4655 | 836 | |
b990b5c0 | 837 | log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n"); |
ebac4655 JA |
838 | return 1; |
839 | } | |
840 | ||
e1f36503 JA |
841 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
842 | { | |
843 | mlock_size = *val; | |
844 | return 0; | |
845 | } | |
846 | ||
847 | static int str_prioclass_cb(void *data, unsigned int *val) | |
848 | { | |
849 | struct thread_data *td = data; | |
850 | ||
851 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
852 | return 0; | |
853 | } | |
854 | ||
855 | static int str_prio_cb(void *data, unsigned int *val) | |
856 | { | |
857 | struct thread_data *td = data; | |
858 | ||
859 | td->ioprio |= *val; | |
860 | return 0; | |
861 | } | |
862 | ||
863 | static int str_exitall_cb(void) | |
864 | { | |
865 | exitall_on_terminate = 1; | |
866 | return 0; | |
867 | } | |
868 | ||
869 | static int str_cpumask_cb(void *data, unsigned int *val) | |
870 | { | |
871 | struct thread_data *td = data; | |
872 | ||
873 | fill_cpu_mask(td->cpumask, *val); | |
874 | return 0; | |
875 | } | |
876 | ||
07261983 JA |
877 | /* |
878 | * This is our [ini] type file parser. | |
879 | */ | |
0c7e37a0 | 880 | int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 881 | { |
e1f36503 | 882 | unsigned int global; |
ebac4655 | 883 | struct thread_data *td; |
fee3bb48 | 884 | char *string, *name; |
ebac4655 JA |
885 | fpos_t off; |
886 | FILE *f; | |
887 | char *p; | |
0c7e37a0 | 888 | int ret = 0, stonewall; |
ebac4655 JA |
889 | |
890 | f = fopen(file, "r"); | |
891 | if (!f) { | |
aea47d44 | 892 | perror("fopen job file"); |
ebac4655 JA |
893 | return 1; |
894 | } | |
895 | ||
896 | string = malloc(4096); | |
897 | name = malloc(256); | |
fee3bb48 | 898 | memset(name, 0, 256); |
ebac4655 | 899 | |
0c7e37a0 | 900 | stonewall = stonewall_flag; |
7c124ac1 JA |
901 | do { |
902 | p = fgets(string, 4095, f); | |
903 | if (!p) | |
45410acb | 904 | break; |
ebac4655 JA |
905 | if (is_empty_or_comment(p)) |
906 | continue; | |
fee3bb48 | 907 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
908 | continue; |
909 | ||
910 | global = !strncmp(name, "global", 6); | |
911 | ||
912 | name[strlen(name) - 1] = '\0'; | |
913 | ||
914 | td = get_new_job(global, &def_thread); | |
45410acb JA |
915 | if (!td) { |
916 | ret = 1; | |
917 | break; | |
918 | } | |
ebac4655 | 919 | |
972cfd25 JA |
920 | /* |
921 | * Seperate multiple job files by a stonewall | |
922 | */ | |
f9481919 | 923 | if (!global && stonewall) { |
972cfd25 JA |
924 | td->stonewall = stonewall; |
925 | stonewall = 0; | |
926 | } | |
927 | ||
ebac4655 JA |
928 | fgetpos(f, &off); |
929 | while ((p = fgets(string, 4096, f)) != NULL) { | |
930 | if (is_empty_or_comment(p)) | |
931 | continue; | |
e1f36503 | 932 | |
b6754f9d | 933 | strip_blank_front(&p); |
7c124ac1 JA |
934 | |
935 | if (p[0] == '[') | |
936 | break; | |
937 | ||
4ae3f763 | 938 | strip_blank_end(p); |
aea47d44 | 939 | |
e1f36503 | 940 | fgetpos(f, &off); |
ebac4655 | 941 | |
45410acb JA |
942 | /* |
943 | * Don't break here, continue parsing options so we | |
944 | * dump all the bad ones. Makes trial/error fixups | |
945 | * easier on the user. | |
946 | */ | |
7c124ac1 | 947 | ret |= parse_option(p, options, td); |
ebac4655 | 948 | } |
ebac4655 | 949 | |
45410acb JA |
950 | if (!ret) { |
951 | fsetpos(f, &off); | |
952 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
953 | } else { |
954 | log_err("fio: job %s dropped\n", name); | |
955 | put_job(td); | |
45410acb | 956 | } |
7c124ac1 | 957 | } while (!ret); |
ebac4655 JA |
958 | |
959 | free(string); | |
960 | free(name); | |
961 | fclose(f); | |
45410acb | 962 | return ret; |
ebac4655 JA |
963 | } |
964 | ||
965 | static int fill_def_thread(void) | |
966 | { | |
967 | memset(&def_thread, 0, sizeof(def_thread)); | |
968 | ||
969 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
970 | perror("sched_getaffinity"); | |
971 | return 1; | |
972 | } | |
973 | ||
974 | /* | |
975 | * fill globals | |
976 | */ | |
977 | def_thread.ddir = DDIR_READ; | |
3d60d1ed | 978 | def_thread.iomix = 0; |
a00735e6 JA |
979 | def_thread.bs[DDIR_READ] = DEF_BS; |
980 | def_thread.bs[DDIR_WRITE] = DEF_BS; | |
981 | def_thread.min_bs[DDIR_READ] = def_thread.min_bs[DDIR_WRITE] = 0; | |
982 | def_thread.max_bs[DDIR_READ] = def_thread.max_bs[DDIR_WRITE] = 0; | |
9ebc27e1 | 983 | def_thread.odirect = DEF_ODIRECT; |
ebac4655 | 984 | def_thread.ratecycle = DEF_RATE_CYCLE; |
9ebc27e1 | 985 | def_thread.sequential = DEF_SEQUENTIAL; |
972cfd25 | 986 | def_thread.timeout = def_timeout; |
ebac4655 JA |
987 | def_thread.overwrite = DEF_OVERWRITE; |
988 | def_thread.invalidate_cache = DEF_INVALIDATE; | |
989 | def_thread.sync_io = DEF_SYNCIO; | |
990 | def_thread.mem_type = MEM_MALLOC; | |
991 | def_thread.bw_avg_time = DEF_BWAVGTIME; | |
992 | def_thread.create_serialize = DEF_CREATE_SER; | |
993 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
994 | def_thread.loops = DEF_LOOPS; | |
995 | def_thread.verify = DEF_VERIFY; | |
996 | def_thread.stonewall = DEF_STONEWALL; | |
997 | def_thread.numjobs = DEF_NUMJOBS; | |
998 | def_thread.use_thread = DEF_USE_THREAD; | |
a6ccc7be JA |
999 | def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
1000 | def_thread.rwmixread = DEF_RWMIX_READ; | |
b6f4d880 | 1001 | def_thread.nice = DEF_NICE; |
9ebc27e1 | 1002 | def_thread.rand_repeatable = DEF_RAND_REPEAT; |
53cdc686 | 1003 | def_thread.nr_files = DEF_NR_FILES; |
f6cbb269 | 1004 | def_thread.unlink = DEF_UNLINK; |
ec94ec56 JA |
1005 | def_thread.write_bw_log = write_bw_log; |
1006 | def_thread.write_lat_log = write_lat_log; | |
bb8895e0 | 1007 | def_thread.norandommap = DEF_NO_RAND_MAP; |
ebac4655 JA |
1008 | #ifdef FIO_HAVE_DISK_UTIL |
1009 | def_thread.do_disk_util = 1; | |
1010 | #endif | |
1011 | ||
1012 | return 0; | |
1013 | } | |
1014 | ||
0ab8db89 | 1015 | static void usage(void) |
4785f995 JA |
1016 | { |
1017 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1018 | printf("\t--output\tWrite output to file\n"); |
1019 | printf("\t--timeout\tRuntime in seconds\n"); | |
1020 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1021 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1022 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1023 | printf("\t--version\tPrint version info and exit\n"); | |
4785f995 JA |
1024 | } |
1025 | ||
972cfd25 | 1026 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1027 | { |
b4692828 | 1028 | struct thread_data *td = NULL; |
c2b1e753 | 1029 | int c, ini_idx = 0, lidx, ret; |
ebac4655 | 1030 | |
b4692828 | 1031 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1032 | switch (c) { |
b4692828 JA |
1033 | case 't': |
1034 | def_timeout = atoi(optarg); | |
1035 | break; | |
1036 | case 'l': | |
1037 | write_lat_log = 1; | |
1038 | break; | |
1039 | case 'w': | |
1040 | write_bw_log = 1; | |
1041 | break; | |
1042 | case 'o': | |
1043 | f_out = fopen(optarg, "w+"); | |
1044 | if (!f_out) { | |
1045 | perror("fopen output"); | |
1046 | exit(1); | |
1047 | } | |
1048 | f_err = f_out; | |
1049 | break; | |
1050 | case 'm': | |
1051 | terse_output = 1; | |
1052 | break; | |
1053 | case 'h': | |
1054 | usage(); | |
1055 | exit(0); | |
1056 | case 'v': | |
1057 | printf("%s\n", fio_version_string); | |
1058 | exit(0); | |
1059 | case FIO_GETOPT_JOB: { | |
1060 | const char *opt = long_options[lidx].name; | |
1061 | char *val = optarg; | |
1062 | ||
c2b1e753 JA |
1063 | if (!strncmp(opt, "name", 4) && td) { |
1064 | ret = add_job(td, td->name ?: "fio", 0); | |
1065 | if (ret) { | |
1066 | put_job(td); | |
1067 | return 0; | |
1068 | } | |
1069 | td = NULL; | |
1070 | } | |
b4692828 | 1071 | if (!td) { |
38d0adb0 | 1072 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1073 | |
1074 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1075 | if (!td) |
1076 | return 0; | |
1077 | } | |
38d0adb0 | 1078 | |
b1508cf9 JA |
1079 | ret = parse_cmd_option(opt, val, options, td); |
1080 | if (ret) { | |
1081 | log_err("fio: job dropped\n"); | |
1082 | put_job(td); | |
1083 | td = NULL; | |
1084 | } | |
b4692828 JA |
1085 | break; |
1086 | } | |
1087 | default: | |
1088 | printf("optarg <<%s>>\n", argv[optind]); | |
1089 | break; | |
ebac4655 JA |
1090 | } |
1091 | } | |
c9fad893 | 1092 | |
b4692828 | 1093 | if (td) { |
c2b1e753 | 1094 | ret = add_job(td, td->name ?: "fio", 0); |
b4692828 JA |
1095 | if (ret) |
1096 | put_job(td); | |
972cfd25 | 1097 | } |
774a6177 | 1098 | |
b4692828 JA |
1099 | while (optind < argc) { |
1100 | ini_idx++; | |
1101 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1102 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1103 | optind++; | |
eb8bbf48 | 1104 | } |
972cfd25 JA |
1105 | |
1106 | return ini_idx; | |
ebac4655 JA |
1107 | } |
1108 | ||
1109 | static void free_shm(void) | |
1110 | { | |
1111 | struct shmid_ds sbuf; | |
1112 | ||
1113 | if (threads) { | |
2c0ecd28 | 1114 | shmdt((void *) threads); |
ebac4655 JA |
1115 | threads = NULL; |
1116 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1117 | } | |
1118 | } | |
1119 | ||
906c8d75 JA |
1120 | /* |
1121 | * The thread area is shared between the main process and the job | |
1122 | * threads/processes. So setup a shared memory segment that will hold | |
1123 | * all the job info. | |
1124 | */ | |
ebac4655 JA |
1125 | static int setup_thread_area(void) |
1126 | { | |
1127 | /* | |
1128 | * 1024 is too much on some machines, scale max_jobs if | |
1129 | * we get a failure that looks like too large a shm segment | |
1130 | */ | |
1131 | do { | |
906c8d75 | 1132 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1133 | |
906c8d75 | 1134 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1135 | if (shm_id != -1) |
1136 | break; | |
1137 | if (errno != EINVAL) { | |
1138 | perror("shmget"); | |
1139 | break; | |
1140 | } | |
1141 | ||
1142 | max_jobs >>= 1; | |
1143 | } while (max_jobs); | |
1144 | ||
1145 | if (shm_id == -1) | |
1146 | return 1; | |
1147 | ||
1148 | threads = shmat(shm_id, NULL, 0); | |
1149 | if (threads == (void *) -1) { | |
1150 | perror("shmat"); | |
1151 | return 1; | |
1152 | } | |
1153 | ||
1154 | atexit(free_shm); | |
1155 | return 0; | |
1156 | } | |
1157 | ||
b4692828 JA |
1158 | /* |
1159 | * Copy the fio options into the long options map, so we mirror | |
1160 | * job and cmd line options. | |
1161 | */ | |
1162 | static void dupe_job_options(void) | |
1163 | { | |
1164 | struct fio_option *o; | |
1165 | unsigned int i; | |
1166 | ||
1167 | i = 0; | |
1168 | while (long_options[i].name) | |
1169 | i++; | |
1170 | ||
1171 | o = &options[0]; | |
1172 | while (o->name) { | |
1173 | long_options[i].name = o->name; | |
1174 | long_options[i].val = FIO_GETOPT_JOB; | |
1175 | if (o->type == FIO_OPT_STR_SET) | |
1176 | long_options[i].has_arg = no_argument; | |
1177 | else | |
1178 | long_options[i].has_arg = required_argument; | |
1179 | ||
1180 | i++; | |
1181 | o++; | |
1182 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1183 | } | |
1184 | } | |
1185 | ||
ebac4655 JA |
1186 | int parse_options(int argc, char *argv[]) |
1187 | { | |
972cfd25 JA |
1188 | int job_files, i; |
1189 | ||
b4692828 JA |
1190 | f_out = stdout; |
1191 | f_err = stderr; | |
1192 | ||
1193 | dupe_job_options(); | |
1194 | ||
ebac4655 JA |
1195 | if (setup_thread_area()) |
1196 | return 1; | |
1197 | if (fill_def_thread()) | |
1198 | return 1; | |
1199 | ||
972cfd25 | 1200 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1201 | |
972cfd25 JA |
1202 | for (i = 0; i < job_files; i++) { |
1203 | if (fill_def_thread()) | |
1204 | return 1; | |
0c7e37a0 | 1205 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1206 | return 1; |
88c6ed80 | 1207 | free(ini_file[i]); |
972cfd25 | 1208 | } |
ebac4655 | 1209 | |
88c6ed80 | 1210 | free(ini_file); |
b4692828 JA |
1211 | |
1212 | if (!thread_number) { | |
1213 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1214 | return 1; |
1215 | } | |
1216 | ||
ebac4655 JA |
1217 | return 0; |
1218 | } |