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 | 62 | static int str_lockmem_cb(void *, unsigned long *); |
34cfcdaf | 63 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
64 | static int str_prio_cb(void *, unsigned int *); |
65 | static int str_prioclass_cb(void *, unsigned int *); | |
34cfcdaf | 66 | #endif |
e1f36503 JA |
67 | static int str_exitall_cb(void); |
68 | static int str_cpumask_cb(void *, unsigned int *); | |
69 | ||
70 | /* | |
71 | * Map of job/command line options | |
72 | */ | |
73 | static struct fio_option options[] = { | |
74 | { | |
75 | .name = "name", | |
76 | .type = FIO_OPT_STR_STORE, | |
77 | .off1 = td_var_offset(name), | |
78 | }, | |
79 | { | |
80 | .name = "directory", | |
81 | .type = FIO_OPT_STR_STORE, | |
82 | .off1 = td_var_offset(directory), | |
83 | }, | |
84 | { | |
85 | .name = "filename", | |
86 | .type = FIO_OPT_STR_STORE, | |
87 | .off1 = td_var_offset(filename), | |
88 | }, | |
89 | { | |
90 | .name = "rw", | |
91 | .type = FIO_OPT_STR, | |
92 | .cb = str_rw_cb, | |
93 | }, | |
94 | { | |
95 | .name = "ioengine", | |
96 | .type = FIO_OPT_STR, | |
97 | .cb = str_ioengine_cb, | |
98 | }, | |
99 | { | |
100 | .name = "mem", | |
101 | .type = FIO_OPT_STR, | |
102 | .cb = str_mem_cb, | |
103 | }, | |
104 | { | |
105 | .name = "verify", | |
106 | .type = FIO_OPT_STR, | |
107 | .cb = str_verify_cb, | |
108 | }, | |
109 | { | |
110 | .name = "write_iolog", | |
076efc7c JA |
111 | .type = FIO_OPT_STR_STORE, |
112 | .off1 = td_var_offset(write_iolog_file), | |
e1f36503 JA |
113 | }, |
114 | { | |
076efc7c | 115 | .name = "read_iolog", |
e1f36503 | 116 | .type = FIO_OPT_STR_STORE, |
076efc7c | 117 | .off1 = td_var_offset(read_iolog_file), |
e1f36503 JA |
118 | }, |
119 | { | |
120 | .name = "exec_prerun", | |
121 | .type = FIO_OPT_STR_STORE, | |
122 | .off1 = td_var_offset(exec_prerun), | |
123 | }, | |
124 | { | |
125 | .name = "exec_postrun", | |
126 | .type = FIO_OPT_STR_STORE, | |
127 | .off1 = td_var_offset(exec_postrun), | |
128 | }, | |
129 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
130 | { | |
131 | .name = "ioscheduler", | |
132 | .type = FIO_OPT_STR_STORE, | |
133 | .off1 = td_var_offset(ioscheduler), | |
134 | }, | |
135 | #endif | |
136 | { | |
137 | .name = "size", | |
138 | .type = FIO_OPT_STR_VAL, | |
139 | .off1 = td_var_offset(total_file_size), | |
140 | }, | |
141 | { | |
142 | .name = "bs", | |
75e6f36f | 143 | .type = FIO_OPT_STR_VAL_INT, |
a00735e6 | 144 | .off1 = td_var_offset(bs[DDIR_READ]), |
f90eff5a | 145 | .off2 = td_var_offset(bs[DDIR_WRITE]), |
e1f36503 JA |
146 | }, |
147 | { | |
148 | .name = "offset", | |
149 | .type = FIO_OPT_STR_VAL, | |
150 | .off1 = td_var_offset(start_offset), | |
151 | }, | |
152 | { | |
153 | .name = "zonesize", | |
154 | .type = FIO_OPT_STR_VAL, | |
155 | .off1 = td_var_offset(zone_size), | |
156 | }, | |
157 | { | |
158 | .name = "zoneskip", | |
159 | .type = FIO_OPT_STR_VAL, | |
160 | .off1 = td_var_offset(zone_skip), | |
161 | }, | |
162 | { | |
163 | .name = "lockmem", | |
164 | .type = FIO_OPT_STR_VAL, | |
165 | .cb = str_lockmem_cb, | |
166 | }, | |
167 | { | |
168 | .name = "bsrange", | |
169 | .type = FIO_OPT_RANGE, | |
a00735e6 JA |
170 | .off1 = td_var_offset(min_bs[DDIR_READ]), |
171 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
f90eff5a JA |
172 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), |
173 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
e1f36503 JA |
174 | }, |
175 | { | |
176 | .name = "nrfiles", | |
177 | .type = FIO_OPT_INT, | |
178 | .off1 = td_var_offset(nr_files), | |
179 | }, | |
180 | { | |
181 | .name = "iodepth", | |
182 | .type = FIO_OPT_INT, | |
183 | .off1 = td_var_offset(iodepth), | |
184 | }, | |
185 | { | |
186 | .name = "fsync", | |
187 | .type = FIO_OPT_INT, | |
188 | .off1 = td_var_offset(fsync_blocks), | |
189 | }, | |
190 | { | |
191 | .name = "rwmixcycle", | |
192 | .type = FIO_OPT_INT, | |
193 | .off1 = td_var_offset(rwmixcycle), | |
194 | }, | |
195 | { | |
196 | .name = "rwmixread", | |
197 | .type = FIO_OPT_INT, | |
198 | .off1 = td_var_offset(rwmixread), | |
199 | .max_val= 100, | |
200 | }, | |
201 | { | |
202 | .name = "rwmixwrite", | |
203 | .type = FIO_OPT_INT, | |
204 | .off1 = td_var_offset(rwmixwrite), | |
205 | .max_val= 100, | |
206 | }, | |
207 | { | |
208 | .name = "nice", | |
209 | .type = FIO_OPT_INT, | |
210 | .off1 = td_var_offset(nice), | |
211 | }, | |
212 | #ifdef FIO_HAVE_IOPRIO | |
213 | { | |
214 | .name = "prio", | |
215 | .type = FIO_OPT_INT, | |
216 | .cb = str_prio_cb, | |
217 | }, | |
218 | { | |
219 | .name = "prioclass", | |
220 | .type = FIO_OPT_INT, | |
221 | .cb = str_prioclass_cb, | |
222 | }, | |
223 | #endif | |
224 | { | |
225 | .name = "thinktime", | |
226 | .type = FIO_OPT_INT, | |
227 | .off1 = td_var_offset(thinktime) | |
228 | }, | |
229 | { | |
230 | .name = "rate", | |
231 | .type = FIO_OPT_INT, | |
232 | .off1 = td_var_offset(rate) | |
233 | }, | |
234 | { | |
235 | .name = "ratemin", | |
236 | .type = FIO_OPT_INT, | |
237 | .off1 = td_var_offset(ratemin) | |
238 | }, | |
239 | { | |
240 | .name = "ratecycle", | |
241 | .type = FIO_OPT_INT, | |
242 | .off1 = td_var_offset(ratecycle) | |
243 | }, | |
244 | { | |
245 | .name = "startdelay", | |
246 | .type = FIO_OPT_INT, | |
247 | .off1 = td_var_offset(start_delay) | |
248 | }, | |
249 | { | |
250 | .name = "timeout", | |
251 | .type = FIO_OPT_STR_VAL_TIME, | |
252 | .off1 = td_var_offset(timeout) | |
253 | }, | |
254 | { | |
255 | .name = "invalidate", | |
256 | .type = FIO_OPT_INT, | |
257 | .off1 = td_var_offset(invalidate_cache) | |
258 | }, | |
259 | { | |
260 | .name = "sync", | |
261 | .type = FIO_OPT_INT, | |
262 | .off1 = td_var_offset(sync_io) | |
263 | }, | |
264 | { | |
265 | .name = "bwavgtime", | |
266 | .type = FIO_OPT_INT, | |
267 | .off1 = td_var_offset(bw_avg_time) | |
268 | }, | |
269 | { | |
270 | .name = "create_serialize", | |
271 | .type = FIO_OPT_INT, | |
272 | .off1 = td_var_offset(create_serialize) | |
273 | }, | |
274 | { | |
275 | .name = "create_fsync", | |
276 | .type = FIO_OPT_INT, | |
277 | .off1 = td_var_offset(create_fsync) | |
278 | }, | |
279 | { | |
280 | .name = "loops", | |
281 | .type = FIO_OPT_INT, | |
282 | .off1 = td_var_offset(loops) | |
283 | }, | |
284 | { | |
285 | .name = "numjobs", | |
286 | .type = FIO_OPT_INT, | |
287 | .off1 = td_var_offset(numjobs) | |
288 | }, | |
289 | { | |
290 | .name = "cpuload", | |
291 | .type = FIO_OPT_INT, | |
292 | .off1 = td_var_offset(cpuload) | |
293 | }, | |
294 | { | |
295 | .name = "cpuchunks", | |
296 | .type = FIO_OPT_INT, | |
297 | .off1 = td_var_offset(cpucycle) | |
298 | }, | |
299 | { | |
300 | .name = "direct", | |
301 | .type = FIO_OPT_INT, | |
302 | .off1 = td_var_offset(odirect) | |
303 | }, | |
304 | { | |
305 | .name = "overwrite", | |
306 | .type = FIO_OPT_INT, | |
307 | .off1 = td_var_offset(overwrite) | |
308 | }, | |
309 | #ifdef FIO_HAVE_CPU_AFFINITY | |
310 | { | |
311 | .name = "cpumask", | |
312 | .type = FIO_OPT_INT, | |
313 | .cb = str_cpumask_cb, | |
314 | }, | |
315 | #endif | |
316 | { | |
317 | .name = "end_fsync", | |
318 | .type = FIO_OPT_INT, | |
319 | .off1 = td_var_offset(end_fsync) | |
320 | }, | |
321 | { | |
322 | .name = "unlink", | |
323 | .type = FIO_OPT_STR_SET, | |
324 | .off1 = td_var_offset(unlink), | |
325 | }, | |
326 | { | |
327 | .name = "exitall", | |
328 | .type = FIO_OPT_STR_SET, | |
329 | .cb = str_exitall_cb, | |
330 | }, | |
331 | { | |
332 | .name = "stonewall", | |
333 | .type = FIO_OPT_STR_SET, | |
334 | .off1 = td_var_offset(stonewall), | |
335 | }, | |
336 | { | |
337 | .name = "thread", | |
338 | .type = FIO_OPT_STR_SET, | |
339 | .off1 = td_var_offset(thread), | |
340 | }, | |
341 | { | |
342 | .name = "write_bw_log", | |
343 | .type = FIO_OPT_STR_SET, | |
344 | .off1 = td_var_offset(write_bw_log), | |
345 | }, | |
346 | { | |
347 | .name = "write_lat_log", | |
348 | .type = FIO_OPT_STR_SET, | |
349 | .off1 = td_var_offset(write_lat_log), | |
350 | }, | |
bb8895e0 JA |
351 | { |
352 | .name = "norandommap", | |
353 | .type = FIO_OPT_STR_SET, | |
354 | .off1 = td_var_offset(norandommap), | |
355 | }, | |
690adba3 JA |
356 | { |
357 | .name = "bs_unaligned", | |
358 | .type = FIO_OPT_STR_SET, | |
359 | .off1 = td_var_offset(bs_unaligned), | |
360 | }, | |
e1f36503 JA |
361 | { |
362 | .name = NULL, | |
363 | }, | |
364 | }; | |
365 | ||
b4692828 JA |
366 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
367 | #define FIO_CMD_OPTS (16) | |
368 | #define FIO_GETOPT_JOB (0x89988998) | |
369 | ||
370 | /* | |
371 | * Command line options. These will contain the above, plus a few | |
372 | * extra that only pertain to fio itself and not jobs. | |
373 | */ | |
374 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
375 | { | |
376 | .name = "output", | |
377 | .has_arg = required_argument, | |
378 | .val = 'o', | |
379 | }, | |
380 | { | |
381 | .name = "timeout", | |
382 | .has_arg = required_argument, | |
383 | .val = 't', | |
384 | }, | |
385 | { | |
386 | .name = "latency-log", | |
387 | .has_arg = required_argument, | |
388 | .val = 'l', | |
389 | }, | |
390 | { | |
391 | .name = "bandwidth-log", | |
392 | .has_arg = required_argument, | |
393 | .val = 'b', | |
394 | }, | |
395 | { | |
396 | .name = "minimal", | |
397 | .has_arg = optional_argument, | |
398 | .val = 'm', | |
399 | }, | |
400 | { | |
401 | .name = "version", | |
402 | .has_arg = no_argument, | |
403 | .val = 'v', | |
404 | }, | |
405 | { | |
406 | .name = NULL, | |
407 | }, | |
408 | }; | |
409 | ||
972cfd25 | 410 | static int def_timeout = DEF_TIMEOUT; |
972cfd25 | 411 | |
c3054f90 | 412 | static char fio_version_string[] = "fio 1.8"; |
ebac4655 | 413 | |
972cfd25 | 414 | static char **ini_file; |
ebac4655 JA |
415 | static int max_jobs = MAX_JOBS; |
416 | ||
417 | struct thread_data def_thread; | |
418 | struct thread_data *threads = NULL; | |
419 | ||
420 | int rate_quit = 0; | |
ebac4655 | 421 | int exitall_on_terminate = 0; |
c6ae0a5b | 422 | int terse_output = 0; |
c04f7ec3 | 423 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
424 | FILE *f_out = NULL; |
425 | FILE *f_err = NULL; | |
ebac4655 | 426 | |
ec94ec56 JA |
427 | static int write_lat_log = DEF_WRITE_LAT_LOG; |
428 | static int write_bw_log = DEF_WRITE_BW_LOG; | |
429 | ||
906c8d75 JA |
430 | /* |
431 | * Return a free job structure. | |
432 | */ | |
ebac4655 JA |
433 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
434 | { | |
435 | struct thread_data *td; | |
436 | ||
437 | if (global) | |
438 | return &def_thread; | |
439 | if (thread_number >= max_jobs) | |
440 | return NULL; | |
441 | ||
442 | td = &threads[thread_number++]; | |
ddaeaa5a | 443 | *td = *parent; |
ebac4655 | 444 | |
ebac4655 | 445 | td->thread_number = thread_number; |
ebac4655 JA |
446 | return td; |
447 | } | |
448 | ||
449 | static void put_job(struct thread_data *td) | |
450 | { | |
549577a7 JA |
451 | if (td == &def_thread) |
452 | return; | |
453 | ||
ebac4655 JA |
454 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
455 | thread_number--; | |
456 | } | |
457 | ||
dad915e3 JA |
458 | /* |
459 | * Lazy way of fixing up options that depend on each other. We could also | |
460 | * define option callback handlers, but this is easier. | |
461 | */ | |
e1f36503 JA |
462 | static void fixup_options(struct thread_data *td) |
463 | { | |
e1f36503 JA |
464 | if (!td->rwmixread && td->rwmixwrite) |
465 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 466 | |
076efc7c JA |
467 | if (td->write_iolog_file && td->read_iolog_file) { |
468 | log_err("fio: read iolog overrides write_iolog\n"); | |
469 | free(td->write_iolog_file); | |
470 | td->write_iolog_file = NULL; | |
471 | } | |
16b462ae JA |
472 | |
473 | if (td->io_ops->flags & FIO_SYNCIO) | |
474 | td->iodepth = 1; | |
475 | else { | |
476 | if (!td->iodepth) | |
477 | td->iodepth = td->nr_files; | |
478 | } | |
479 | ||
480 | /* | |
481 | * only really works for sequential io for now, and with 1 file | |
482 | */ | |
483 | if (td->zone_size && !td->sequential && td->nr_files == 1) | |
484 | td->zone_size = 0; | |
485 | ||
486 | /* | |
487 | * Reads can do overwrites, we always need to pre-create the file | |
488 | */ | |
489 | if (td_read(td) || td_rw(td)) | |
490 | td->overwrite = 1; | |
491 | ||
a00735e6 JA |
492 | if (!td->min_bs[DDIR_READ]) |
493 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
494 | if (!td->max_bs[DDIR_READ]) | |
495 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
496 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 497 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 498 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 499 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
500 | |
501 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
502 | ||
16b462ae JA |
503 | if (td_read(td) && !td_rw(td)) |
504 | td->verify = 0; | |
bb8895e0 JA |
505 | |
506 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
507 | log_err("fio: norandommap given, verify disabled\n"); | |
508 | td->verify = VERIFY_NONE; | |
509 | } | |
690adba3 JA |
510 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
511 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e1f36503 JA |
512 | } |
513 | ||
f8977ee6 JA |
514 | /* |
515 | * This function leaks the buffer | |
516 | */ | |
517 | static char *to_kmg(unsigned int val) | |
518 | { | |
519 | char *buf = malloc(32); | |
5c1014b7 | 520 | char post[] = { 0, 'K', 'M', 'G', 'P', -1 }; |
f8977ee6 JA |
521 | char *p = post; |
522 | ||
523 | while (*p != -1) { | |
524 | if (val & 1023) | |
525 | break; | |
526 | ||
527 | val >>= 10; | |
528 | p++; | |
529 | } | |
530 | ||
531 | snprintf(buf, 31, "%u%c", val, *p); | |
532 | return buf; | |
533 | } | |
534 | ||
906c8d75 JA |
535 | /* |
536 | * Adds a job to the list of things todo. Sanitizes the various options | |
537 | * to make sure we don't have conflicts, and initializes various | |
538 | * members of td. | |
539 | */ | |
75154845 | 540 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 541 | { |
3c9b60c1 JA |
542 | const char *ddir_str[] = { "read", "write", "randread", "randwrite", |
543 | "rw", NULL, "randrw" }; | |
ebac4655 | 544 | struct stat sb; |
53cdc686 JA |
545 | int numjobs, ddir, i; |
546 | struct fio_file *f; | |
ebac4655 | 547 | |
ebac4655 JA |
548 | /* |
549 | * the def_thread is just for options, it's not a real job | |
550 | */ | |
551 | if (td == &def_thread) | |
552 | return 0; | |
553 | ||
df64119d JA |
554 | /* |
555 | * Set default io engine, if none set | |
556 | */ | |
557 | if (!td->io_ops) { | |
558 | td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME); | |
559 | if (!td->io_ops) { | |
560 | log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME); | |
561 | return 1; | |
562 | } | |
563 | } | |
564 | ||
690adba3 JA |
565 | if (td->odirect) |
566 | td->io_ops->flags |= FIO_RAWIO; | |
567 | ||
16b462ae | 568 | fixup_options(td); |
9cc935a1 | 569 | |
ebac4655 | 570 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
571 | if (!stat(jobname, &sb)) { |
572 | if (S_ISBLK(sb.st_mode)) | |
573 | td->filetype = FIO_TYPE_BD; | |
574 | else if (S_ISCHR(sb.st_mode)) | |
575 | td->filetype = FIO_TYPE_CHAR; | |
576 | } | |
ebac4655 | 577 | |
13f8e2d2 JA |
578 | if (td->filename) |
579 | td->nr_uniq_files = 1; | |
580 | else | |
581 | td->nr_uniq_files = td->nr_files; | |
582 | ||
583 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 584 | char tmp[PATH_MAX]; |
53cdc686 JA |
585 | int len = 0; |
586 | int i; | |
e9c047a0 | 587 | |
ef899b63 | 588 | if (td->directory && td->directory[0] != '\0') |
53cdc686 | 589 | sprintf(tmp, "%s/", td->directory); |
ebac4655 | 590 | |
53cdc686 JA |
591 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
592 | ||
593 | for_each_file(td, f, i) { | |
594 | memset(f, 0, sizeof(*f)); | |
595 | f->fd = -1; | |
596 | ||
13f8e2d2 JA |
597 | if (td->filename) |
598 | sprintf(tmp + len, "%s", td->filename); | |
599 | else | |
600 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
601 | f->file_name = strdup(tmp); |
602 | } | |
603 | } else { | |
604 | td->nr_files = 1; | |
605 | td->files = malloc(sizeof(struct fio_file)); | |
606 | f = &td->files[0]; | |
607 | ||
608 | memset(f, 0, sizeof(*f)); | |
609 | f->fd = -1; | |
610 | f->file_name = strdup(jobname); | |
611 | } | |
612 | ||
613 | for_each_file(td, f, i) { | |
614 | f->file_size = td->total_file_size / td->nr_files; | |
615 | f->file_offset = td->start_offset; | |
616 | } | |
617 | ||
bbfd6b00 | 618 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
619 | |
620 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
621 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
622 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
623 | ||
ebac4655 JA |
624 | if (td->stonewall && td->thread_number > 1) |
625 | groupid++; | |
626 | ||
627 | td->groupid = groupid; | |
628 | ||
629 | if (setup_rate(td)) | |
630 | goto err; | |
631 | ||
ec94ec56 | 632 | if (td->write_lat_log) { |
ebac4655 JA |
633 | setup_log(&td->slat_log); |
634 | setup_log(&td->clat_log); | |
635 | } | |
ec94ec56 | 636 | if (td->write_bw_log) |
ebac4655 JA |
637 | setup_log(&td->bw_log); |
638 | ||
b4692828 JA |
639 | if (!td->name) |
640 | td->name = strdup(jobname); | |
01452055 | 641 | |
3d60d1ed | 642 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 643 | |
c6ae0a5b | 644 | if (!terse_output) { |
b990b5c0 | 645 | if (!job_add_num) { |
2866c82d | 646 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 | 647 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
648 | else { |
649 | char *c1, *c2, *c3, *c4; | |
650 | ||
651 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
652 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
653 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
654 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
655 | ||
656 | fprintf(f_out, "%s: (g=%d): rw=%s, odir=%d, bs=%s-%s/%s-%s, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, c1, c2, c3, c4, td->rate, td->io_ops->name, td->iodepth); | |
657 | ||
658 | free(c1); | |
659 | free(c2); | |
660 | free(c3); | |
661 | free(c4); | |
662 | } | |
b990b5c0 | 663 | } else if (job_add_num == 1) |
c6ae0a5b JA |
664 | fprintf(f_out, "...\n"); |
665 | } | |
ebac4655 JA |
666 | |
667 | /* | |
668 | * recurse add identical jobs, clear numjobs and stonewall options | |
669 | * as they don't apply to sub-jobs | |
670 | */ | |
671 | numjobs = td->numjobs; | |
672 | while (--numjobs) { | |
673 | struct thread_data *td_new = get_new_job(0, td); | |
674 | ||
675 | if (!td_new) | |
676 | goto err; | |
677 | ||
678 | td_new->numjobs = 1; | |
679 | td_new->stonewall = 0; | |
75154845 | 680 | job_add_num = numjobs - 1; |
ebac4655 | 681 | |
75154845 | 682 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
683 | goto err; |
684 | } | |
685 | return 0; | |
686 | err: | |
687 | put_job(td); | |
688 | return -1; | |
689 | } | |
690 | ||
906c8d75 JA |
691 | /* |
692 | * Initialize the various random states we need (random io, block size ranges, | |
693 | * read/write mix, etc). | |
694 | */ | |
ebac4655 JA |
695 | int init_random_state(struct thread_data *td) |
696 | { | |
a6ccc7be | 697 | unsigned long seeds[4]; |
53cdc686 | 698 | int fd, num_maps, blocks, i; |
0ab8db89 | 699 | struct fio_file *f; |
ebac4655 | 700 | |
f48b467c JA |
701 | if (td->io_ops->flags & FIO_CPUIO) |
702 | return 0; | |
703 | ||
1ac267bb | 704 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
705 | if (fd == -1) { |
706 | td_verror(td, errno); | |
707 | return 1; | |
708 | } | |
709 | ||
a6ccc7be | 710 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
711 | td_verror(td, EIO); |
712 | close(fd); | |
713 | return 1; | |
714 | } | |
715 | ||
716 | close(fd); | |
717 | ||
6dfd46b9 JA |
718 | os_random_seed(seeds[0], &td->bsrange_state); |
719 | os_random_seed(seeds[1], &td->verify_state); | |
720 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
721 | |
722 | if (td->sequential) | |
723 | return 0; | |
724 | ||
9ebc27e1 | 725 | if (td->rand_repeatable) |
a6ccc7be | 726 | seeds[3] = DEF_RANDSEED; |
ebac4655 | 727 | |
bb8895e0 JA |
728 | if (!td->norandommap) { |
729 | for_each_file(td, f, i) { | |
a00735e6 | 730 | blocks = (f->file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 731 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
732 | f->file_map = malloc(num_maps * sizeof(long)); |
733 | f->num_maps = num_maps; | |
734 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
735 | } | |
53cdc686 | 736 | } |
ebac4655 | 737 | |
6dfd46b9 | 738 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
739 | return 0; |
740 | } | |
741 | ||
742 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
743 | { | |
744 | #ifdef FIO_HAVE_CPU_AFFINITY | |
745 | unsigned int i; | |
746 | ||
747 | CPU_ZERO(&cpumask); | |
748 | ||
749 | for (i = 0; i < sizeof(int) * 8; i++) { | |
750 | if ((1 << i) & cpu) | |
751 | CPU_SET(i, &cpumask); | |
752 | } | |
753 | #endif | |
754 | } | |
755 | ||
ebac4655 JA |
756 | static int is_empty_or_comment(char *line) |
757 | { | |
758 | unsigned int i; | |
759 | ||
760 | for (i = 0; i < strlen(line); i++) { | |
761 | if (line[i] == ';') | |
762 | return 1; | |
763 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
764 | return 0; | |
765 | } | |
766 | ||
767 | return 1; | |
768 | } | |
769 | ||
b4692828 | 770 | static int str_rw_cb(void *data, const char *mem) |
ebac4655 | 771 | { |
cb2c86fd JA |
772 | struct thread_data *td = data; |
773 | ||
ebac4655 JA |
774 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
775 | td->ddir = DDIR_READ; | |
776 | td->sequential = 1; | |
777 | return 0; | |
778 | } else if (!strncmp(mem, "randread", 8)) { | |
779 | td->ddir = DDIR_READ; | |
780 | td->sequential = 0; | |
781 | return 0; | |
782 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
783 | td->ddir = DDIR_WRITE; | |
784 | td->sequential = 1; | |
785 | return 0; | |
786 | } else if (!strncmp(mem, "randwrite", 9)) { | |
787 | td->ddir = DDIR_WRITE; | |
788 | td->sequential = 0; | |
789 | return 0; | |
3d60d1ed JA |
790 | } else if (!strncmp(mem, "rw", 2)) { |
791 | td->ddir = 0; | |
792 | td->iomix = 1; | |
793 | td->sequential = 1; | |
794 | return 0; | |
795 | } else if (!strncmp(mem, "randrw", 6)) { | |
796 | td->ddir = 0; | |
797 | td->iomix = 1; | |
798 | td->sequential = 0; | |
799 | return 0; | |
ebac4655 JA |
800 | } |
801 | ||
3b70d7e5 | 802 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
803 | return 1; |
804 | } | |
805 | ||
b4692828 | 806 | static int str_verify_cb(void *data, const char *mem) |
ebac4655 | 807 | { |
cb2c86fd JA |
808 | struct thread_data *td = data; |
809 | ||
ebac4655 JA |
810 | if (!strncmp(mem, "0", 1)) { |
811 | td->verify = VERIFY_NONE; | |
812 | return 0; | |
813 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
814 | td->verify = VERIFY_MD5; | |
815 | return 0; | |
816 | } else if (!strncmp(mem, "crc32", 5)) { | |
817 | td->verify = VERIFY_CRC32; | |
818 | return 0; | |
819 | } | |
820 | ||
3b70d7e5 | 821 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
822 | return 1; |
823 | } | |
824 | ||
b4692828 | 825 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 826 | { |
cb2c86fd JA |
827 | struct thread_data *td = data; |
828 | ||
ebac4655 JA |
829 | if (!strncmp(mem, "malloc", 6)) { |
830 | td->mem_type = MEM_MALLOC; | |
831 | return 0; | |
832 | } else if (!strncmp(mem, "shm", 3)) { | |
833 | td->mem_type = MEM_SHM; | |
834 | return 0; | |
835 | } else if (!strncmp(mem, "mmap", 4)) { | |
836 | td->mem_type = MEM_MMAP; | |
837 | return 0; | |
838 | } | |
839 | ||
3b70d7e5 | 840 | log_err("fio: mem type: malloc, shm, mmap\n"); |
ebac4655 JA |
841 | return 1; |
842 | } | |
843 | ||
b4692828 | 844 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 845 | { |
cb2c86fd JA |
846 | struct thread_data *td = data; |
847 | ||
2866c82d JA |
848 | td->io_ops = load_ioengine(td, str); |
849 | if (td->io_ops) | |
b990b5c0 | 850 | return 0; |
ebac4655 | 851 | |
b990b5c0 | 852 | log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n"); |
ebac4655 JA |
853 | return 1; |
854 | } | |
855 | ||
e1f36503 JA |
856 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
857 | { | |
858 | mlock_size = *val; | |
859 | return 0; | |
860 | } | |
861 | ||
34cfcdaf | 862 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
863 | static int str_prioclass_cb(void *data, unsigned int *val) |
864 | { | |
865 | struct thread_data *td = data; | |
866 | ||
867 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
868 | return 0; | |
869 | } | |
870 | ||
871 | static int str_prio_cb(void *data, unsigned int *val) | |
872 | { | |
873 | struct thread_data *td = data; | |
874 | ||
875 | td->ioprio |= *val; | |
876 | return 0; | |
877 | } | |
34cfcdaf | 878 | #endif |
e1f36503 JA |
879 | |
880 | static int str_exitall_cb(void) | |
881 | { | |
882 | exitall_on_terminate = 1; | |
883 | return 0; | |
884 | } | |
885 | ||
886 | static int str_cpumask_cb(void *data, unsigned int *val) | |
887 | { | |
888 | struct thread_data *td = data; | |
889 | ||
890 | fill_cpu_mask(td->cpumask, *val); | |
891 | return 0; | |
892 | } | |
893 | ||
07261983 JA |
894 | /* |
895 | * This is our [ini] type file parser. | |
896 | */ | |
0c7e37a0 | 897 | int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 898 | { |
e1f36503 | 899 | unsigned int global; |
ebac4655 | 900 | struct thread_data *td; |
fee3bb48 | 901 | char *string, *name; |
ebac4655 JA |
902 | fpos_t off; |
903 | FILE *f; | |
904 | char *p; | |
0c7e37a0 | 905 | int ret = 0, stonewall; |
ebac4655 JA |
906 | |
907 | f = fopen(file, "r"); | |
908 | if (!f) { | |
aea47d44 | 909 | perror("fopen job file"); |
ebac4655 JA |
910 | return 1; |
911 | } | |
912 | ||
913 | string = malloc(4096); | |
914 | name = malloc(256); | |
fee3bb48 | 915 | memset(name, 0, 256); |
ebac4655 | 916 | |
0c7e37a0 | 917 | stonewall = stonewall_flag; |
7c124ac1 JA |
918 | do { |
919 | p = fgets(string, 4095, f); | |
920 | if (!p) | |
45410acb | 921 | break; |
ebac4655 JA |
922 | if (is_empty_or_comment(p)) |
923 | continue; | |
fee3bb48 | 924 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
925 | continue; |
926 | ||
927 | global = !strncmp(name, "global", 6); | |
928 | ||
929 | name[strlen(name) - 1] = '\0'; | |
930 | ||
931 | td = get_new_job(global, &def_thread); | |
45410acb JA |
932 | if (!td) { |
933 | ret = 1; | |
934 | break; | |
935 | } | |
ebac4655 | 936 | |
972cfd25 JA |
937 | /* |
938 | * Seperate multiple job files by a stonewall | |
939 | */ | |
f9481919 | 940 | if (!global && stonewall) { |
972cfd25 JA |
941 | td->stonewall = stonewall; |
942 | stonewall = 0; | |
943 | } | |
944 | ||
ebac4655 JA |
945 | fgetpos(f, &off); |
946 | while ((p = fgets(string, 4096, f)) != NULL) { | |
947 | if (is_empty_or_comment(p)) | |
948 | continue; | |
e1f36503 | 949 | |
b6754f9d | 950 | strip_blank_front(&p); |
7c124ac1 JA |
951 | |
952 | if (p[0] == '[') | |
953 | break; | |
954 | ||
4ae3f763 | 955 | strip_blank_end(p); |
aea47d44 | 956 | |
e1f36503 | 957 | fgetpos(f, &off); |
ebac4655 | 958 | |
45410acb JA |
959 | /* |
960 | * Don't break here, continue parsing options so we | |
961 | * dump all the bad ones. Makes trial/error fixups | |
962 | * easier on the user. | |
963 | */ | |
7c124ac1 | 964 | ret |= parse_option(p, options, td); |
ebac4655 | 965 | } |
ebac4655 | 966 | |
45410acb JA |
967 | if (!ret) { |
968 | fsetpos(f, &off); | |
969 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
970 | } else { |
971 | log_err("fio: job %s dropped\n", name); | |
972 | put_job(td); | |
45410acb | 973 | } |
7c124ac1 | 974 | } while (!ret); |
ebac4655 JA |
975 | |
976 | free(string); | |
977 | free(name); | |
978 | fclose(f); | |
45410acb | 979 | return ret; |
ebac4655 JA |
980 | } |
981 | ||
982 | static int fill_def_thread(void) | |
983 | { | |
984 | memset(&def_thread, 0, sizeof(def_thread)); | |
985 | ||
986 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
987 | perror("sched_getaffinity"); | |
988 | return 1; | |
989 | } | |
990 | ||
991 | /* | |
992 | * fill globals | |
993 | */ | |
994 | def_thread.ddir = DDIR_READ; | |
3d60d1ed | 995 | def_thread.iomix = 0; |
a00735e6 JA |
996 | def_thread.bs[DDIR_READ] = DEF_BS; |
997 | def_thread.bs[DDIR_WRITE] = DEF_BS; | |
998 | def_thread.min_bs[DDIR_READ] = def_thread.min_bs[DDIR_WRITE] = 0; | |
999 | def_thread.max_bs[DDIR_READ] = def_thread.max_bs[DDIR_WRITE] = 0; | |
9ebc27e1 | 1000 | def_thread.odirect = DEF_ODIRECT; |
ebac4655 | 1001 | def_thread.ratecycle = DEF_RATE_CYCLE; |
9ebc27e1 | 1002 | def_thread.sequential = DEF_SEQUENTIAL; |
972cfd25 | 1003 | def_thread.timeout = def_timeout; |
ebac4655 JA |
1004 | def_thread.overwrite = DEF_OVERWRITE; |
1005 | def_thread.invalidate_cache = DEF_INVALIDATE; | |
1006 | def_thread.sync_io = DEF_SYNCIO; | |
1007 | def_thread.mem_type = MEM_MALLOC; | |
1008 | def_thread.bw_avg_time = DEF_BWAVGTIME; | |
1009 | def_thread.create_serialize = DEF_CREATE_SER; | |
1010 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
1011 | def_thread.loops = DEF_LOOPS; | |
1012 | def_thread.verify = DEF_VERIFY; | |
1013 | def_thread.stonewall = DEF_STONEWALL; | |
1014 | def_thread.numjobs = DEF_NUMJOBS; | |
1015 | def_thread.use_thread = DEF_USE_THREAD; | |
a6ccc7be JA |
1016 | def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
1017 | def_thread.rwmixread = DEF_RWMIX_READ; | |
b6f4d880 | 1018 | def_thread.nice = DEF_NICE; |
9ebc27e1 | 1019 | def_thread.rand_repeatable = DEF_RAND_REPEAT; |
53cdc686 | 1020 | def_thread.nr_files = DEF_NR_FILES; |
f6cbb269 | 1021 | def_thread.unlink = DEF_UNLINK; |
ec94ec56 JA |
1022 | def_thread.write_bw_log = write_bw_log; |
1023 | def_thread.write_lat_log = write_lat_log; | |
bb8895e0 | 1024 | def_thread.norandommap = DEF_NO_RAND_MAP; |
ebac4655 JA |
1025 | #ifdef FIO_HAVE_DISK_UTIL |
1026 | def_thread.do_disk_util = 1; | |
1027 | #endif | |
1028 | ||
1029 | return 0; | |
1030 | } | |
1031 | ||
0ab8db89 | 1032 | static void usage(void) |
4785f995 JA |
1033 | { |
1034 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1035 | printf("\t--output\tWrite output to file\n"); |
1036 | printf("\t--timeout\tRuntime in seconds\n"); | |
1037 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1038 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1039 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1040 | printf("\t--version\tPrint version info and exit\n"); | |
4785f995 JA |
1041 | } |
1042 | ||
972cfd25 | 1043 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1044 | { |
b4692828 | 1045 | struct thread_data *td = NULL; |
c2b1e753 | 1046 | int c, ini_idx = 0, lidx, ret; |
ebac4655 | 1047 | |
b4692828 | 1048 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1049 | switch (c) { |
b4692828 JA |
1050 | case 't': |
1051 | def_timeout = atoi(optarg); | |
1052 | break; | |
1053 | case 'l': | |
1054 | write_lat_log = 1; | |
1055 | break; | |
1056 | case 'w': | |
1057 | write_bw_log = 1; | |
1058 | break; | |
1059 | case 'o': | |
1060 | f_out = fopen(optarg, "w+"); | |
1061 | if (!f_out) { | |
1062 | perror("fopen output"); | |
1063 | exit(1); | |
1064 | } | |
1065 | f_err = f_out; | |
1066 | break; | |
1067 | case 'm': | |
1068 | terse_output = 1; | |
1069 | break; | |
1070 | case 'h': | |
1071 | usage(); | |
1072 | exit(0); | |
1073 | case 'v': | |
1074 | printf("%s\n", fio_version_string); | |
1075 | exit(0); | |
1076 | case FIO_GETOPT_JOB: { | |
1077 | const char *opt = long_options[lidx].name; | |
1078 | char *val = optarg; | |
1079 | ||
c2b1e753 JA |
1080 | if (!strncmp(opt, "name", 4) && td) { |
1081 | ret = add_job(td, td->name ?: "fio", 0); | |
1082 | if (ret) { | |
1083 | put_job(td); | |
1084 | return 0; | |
1085 | } | |
1086 | td = NULL; | |
1087 | } | |
b4692828 | 1088 | if (!td) { |
38d0adb0 | 1089 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1090 | |
1091 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1092 | if (!td) |
1093 | return 0; | |
1094 | } | |
38d0adb0 | 1095 | |
b1508cf9 JA |
1096 | ret = parse_cmd_option(opt, val, options, td); |
1097 | if (ret) { | |
1098 | log_err("fio: job dropped\n"); | |
1099 | put_job(td); | |
1100 | td = NULL; | |
1101 | } | |
b4692828 JA |
1102 | break; |
1103 | } | |
1104 | default: | |
1105 | printf("optarg <<%s>>\n", argv[optind]); | |
1106 | break; | |
ebac4655 JA |
1107 | } |
1108 | } | |
c9fad893 | 1109 | |
b4692828 | 1110 | if (td) { |
c2b1e753 | 1111 | ret = add_job(td, td->name ?: "fio", 0); |
b4692828 JA |
1112 | if (ret) |
1113 | put_job(td); | |
972cfd25 | 1114 | } |
774a6177 | 1115 | |
b4692828 JA |
1116 | while (optind < argc) { |
1117 | ini_idx++; | |
1118 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1119 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1120 | optind++; | |
eb8bbf48 | 1121 | } |
972cfd25 JA |
1122 | |
1123 | return ini_idx; | |
ebac4655 JA |
1124 | } |
1125 | ||
1126 | static void free_shm(void) | |
1127 | { | |
1128 | struct shmid_ds sbuf; | |
1129 | ||
1130 | if (threads) { | |
2c0ecd28 | 1131 | shmdt((void *) threads); |
ebac4655 JA |
1132 | threads = NULL; |
1133 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1134 | } | |
1135 | } | |
1136 | ||
906c8d75 JA |
1137 | /* |
1138 | * The thread area is shared between the main process and the job | |
1139 | * threads/processes. So setup a shared memory segment that will hold | |
1140 | * all the job info. | |
1141 | */ | |
ebac4655 JA |
1142 | static int setup_thread_area(void) |
1143 | { | |
1144 | /* | |
1145 | * 1024 is too much on some machines, scale max_jobs if | |
1146 | * we get a failure that looks like too large a shm segment | |
1147 | */ | |
1148 | do { | |
906c8d75 | 1149 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1150 | |
906c8d75 | 1151 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1152 | if (shm_id != -1) |
1153 | break; | |
1154 | if (errno != EINVAL) { | |
1155 | perror("shmget"); | |
1156 | break; | |
1157 | } | |
1158 | ||
1159 | max_jobs >>= 1; | |
1160 | } while (max_jobs); | |
1161 | ||
1162 | if (shm_id == -1) | |
1163 | return 1; | |
1164 | ||
1165 | threads = shmat(shm_id, NULL, 0); | |
1166 | if (threads == (void *) -1) { | |
1167 | perror("shmat"); | |
1168 | return 1; | |
1169 | } | |
1170 | ||
1171 | atexit(free_shm); | |
1172 | return 0; | |
1173 | } | |
1174 | ||
b4692828 JA |
1175 | /* |
1176 | * Copy the fio options into the long options map, so we mirror | |
1177 | * job and cmd line options. | |
1178 | */ | |
1179 | static void dupe_job_options(void) | |
1180 | { | |
1181 | struct fio_option *o; | |
1182 | unsigned int i; | |
1183 | ||
1184 | i = 0; | |
1185 | while (long_options[i].name) | |
1186 | i++; | |
1187 | ||
1188 | o = &options[0]; | |
1189 | while (o->name) { | |
1190 | long_options[i].name = o->name; | |
1191 | long_options[i].val = FIO_GETOPT_JOB; | |
1192 | if (o->type == FIO_OPT_STR_SET) | |
1193 | long_options[i].has_arg = no_argument; | |
1194 | else | |
1195 | long_options[i].has_arg = required_argument; | |
1196 | ||
1197 | i++; | |
1198 | o++; | |
1199 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1200 | } | |
1201 | } | |
1202 | ||
ebac4655 JA |
1203 | int parse_options(int argc, char *argv[]) |
1204 | { | |
972cfd25 JA |
1205 | int job_files, i; |
1206 | ||
b4692828 JA |
1207 | f_out = stdout; |
1208 | f_err = stderr; | |
1209 | ||
1210 | dupe_job_options(); | |
1211 | ||
ebac4655 JA |
1212 | if (setup_thread_area()) |
1213 | return 1; | |
1214 | if (fill_def_thread()) | |
1215 | return 1; | |
1216 | ||
972cfd25 | 1217 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1218 | |
972cfd25 JA |
1219 | for (i = 0; i < job_files; i++) { |
1220 | if (fill_def_thread()) | |
1221 | return 1; | |
0c7e37a0 | 1222 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1223 | return 1; |
88c6ed80 | 1224 | free(ini_file[i]); |
972cfd25 | 1225 | } |
ebac4655 | 1226 | |
88c6ed80 | 1227 | free(ini_file); |
b4692828 JA |
1228 | |
1229 | if (!thread_number) { | |
1230 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1231 | return 1; |
1232 | } | |
1233 | ||
ebac4655 JA |
1234 | return 0; |
1235 | } |