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 | |
ee738499 | 21 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 22 | |
e1f36503 JA |
23 | #define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) |
24 | ||
b4692828 JA |
25 | static int str_rw_cb(void *, const char *); |
26 | static int str_ioengine_cb(void *, const char *); | |
27 | static int str_mem_cb(void *, const char *); | |
28 | static int str_verify_cb(void *, const char *); | |
e1f36503 | 29 | static int str_lockmem_cb(void *, unsigned long *); |
34cfcdaf | 30 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
31 | static int str_prio_cb(void *, unsigned int *); |
32 | static int str_prioclass_cb(void *, unsigned int *); | |
34cfcdaf | 33 | #endif |
e1f36503 JA |
34 | static int str_exitall_cb(void); |
35 | static int str_cpumask_cb(void *, unsigned int *); | |
36 | ||
ee738499 JA |
37 | #define __stringify_1(x) #x |
38 | #define __stringify(x) __stringify_1(x) | |
39 | ||
e1f36503 JA |
40 | /* |
41 | * Map of job/command line options | |
42 | */ | |
43 | static struct fio_option options[] = { | |
44 | { | |
45 | .name = "name", | |
46 | .type = FIO_OPT_STR_STORE, | |
47 | .off1 = td_var_offset(name), | |
fd28ca49 | 48 | .help = "Name of this job", |
e1f36503 JA |
49 | }, |
50 | { | |
51 | .name = "directory", | |
52 | .type = FIO_OPT_STR_STORE, | |
53 | .off1 = td_var_offset(directory), | |
fd28ca49 | 54 | .help = "Directory to store files in", |
e1f36503 JA |
55 | }, |
56 | { | |
57 | .name = "filename", | |
58 | .type = FIO_OPT_STR_STORE, | |
59 | .off1 = td_var_offset(filename), | |
fd28ca49 | 60 | .help = "Force the use of a specific file", |
e1f36503 JA |
61 | }, |
62 | { | |
63 | .name = "rw", | |
64 | .type = FIO_OPT_STR, | |
65 | .cb = str_rw_cb, | |
15f7918f | 66 | .help = "IO direction", |
ee738499 | 67 | .def = "read", |
15f7918f JA |
68 | .posval = { "read", "write", "randwrite", "randread", "rw", |
69 | "randrw", }, | |
e1f36503 JA |
70 | }, |
71 | { | |
72 | .name = "ioengine", | |
73 | .type = FIO_OPT_STR, | |
74 | .cb = str_ioengine_cb, | |
15f7918f | 75 | .help = "IO engine to use", |
ee738499 | 76 | .def = "sync", |
15f7918f JA |
77 | .posval = { "sync", "libaio", "posixaio", "mmap", "splice", |
78 | "sg", "null", }, | |
e1f36503 | 79 | }, |
03b74b3e JA |
80 | { |
81 | .name = "iodepth", | |
82 | .type = FIO_OPT_INT, | |
83 | .off1 = td_var_offset(iodepth), | |
84 | .help = "Amount of IO buffers to keep in flight", | |
85 | .def = "1", | |
86 | }, | |
87 | { | |
88 | .name = "size", | |
89 | .type = FIO_OPT_STR_VAL, | |
90 | .off1 = td_var_offset(total_file_size), | |
91 | .help = "Size of device or file", | |
92 | }, | |
93 | { | |
94 | .name = "bs", | |
95 | .type = FIO_OPT_STR_VAL_INT, | |
96 | .off1 = td_var_offset(bs[DDIR_READ]), | |
97 | .off2 = td_var_offset(bs[DDIR_WRITE]), | |
98 | .help = "Block size unit", | |
99 | .def = "4k", | |
100 | }, | |
101 | { | |
102 | .name = "bsrange", | |
103 | .type = FIO_OPT_RANGE, | |
104 | .off1 = td_var_offset(min_bs[DDIR_READ]), | |
105 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
106 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), | |
107 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
108 | .help = "Set block size range (in more detail than bs)", | |
109 | }, | |
110 | { | |
111 | .name = "bs_unaligned", | |
112 | .type = FIO_OPT_STR_SET, | |
113 | .off1 = td_var_offset(bs_unaligned), | |
114 | .help = "Don't sector align IO buffer sizes", | |
115 | }, | |
116 | { | |
117 | .name = "offset", | |
118 | .type = FIO_OPT_STR_VAL, | |
119 | .off1 = td_var_offset(start_offset), | |
120 | .help = "Start IO from this offset", | |
121 | .def = "0", | |
122 | }, | |
123 | { | |
124 | .name = "randrepeat", | |
125 | .type = FIO_OPT_BOOL, | |
126 | .off1 = td_var_offset(rand_repeatable), | |
127 | .help = "Use repeatable random IO pattern", | |
128 | .def = "1", | |
129 | }, | |
130 | { | |
131 | .name = "norandommap", | |
132 | .type = FIO_OPT_STR_SET, | |
133 | .off1 = td_var_offset(norandommap), | |
134 | .help = "Accept potential duplicate random blocks", | |
135 | }, | |
136 | { | |
137 | .name = "nrfiles", | |
138 | .type = FIO_OPT_INT, | |
139 | .off1 = td_var_offset(nr_files), | |
140 | .help = "Split job workload between this number of files", | |
141 | .def = "1", | |
142 | }, | |
143 | { | |
144 | .name = "fsync", | |
145 | .type = FIO_OPT_INT, | |
146 | .off1 = td_var_offset(fsync_blocks), | |
147 | .help = "Issue fsync for writes every given number of blocks", | |
148 | .def = "0", | |
149 | }, | |
150 | { | |
151 | .name = "direct", | |
152 | .type = FIO_OPT_BOOL, | |
153 | .off1 = td_var_offset(odirect), | |
154 | .help = "Use O_DIRECT IO", | |
155 | .def = "1", | |
156 | }, | |
157 | { | |
158 | .name = "overwrite", | |
159 | .type = FIO_OPT_BOOL, | |
160 | .off1 = td_var_offset(overwrite), | |
161 | .help = "When writing, set whether to overwrite current data", | |
162 | .def = "0", | |
163 | }, | |
164 | { | |
165 | .name = "loops", | |
166 | .type = FIO_OPT_INT, | |
167 | .off1 = td_var_offset(loops), | |
168 | .help = "Number of times to run the job", | |
169 | .def = "1", | |
170 | }, | |
171 | { | |
172 | .name = "numjobs", | |
173 | .type = FIO_OPT_INT, | |
174 | .off1 = td_var_offset(numjobs), | |
175 | .help = "Duplicate this job this many times", | |
176 | .def = "1", | |
177 | }, | |
178 | { | |
179 | .name = "startdelay", | |
180 | .type = FIO_OPT_INT, | |
181 | .off1 = td_var_offset(start_delay), | |
182 | .help = "Only start job when this period has passed", | |
183 | .def = "0", | |
184 | }, | |
185 | { | |
186 | .name = "runtime", | |
187 | .alias = "timeout", | |
188 | .type = FIO_OPT_STR_VAL_TIME, | |
189 | .off1 = td_var_offset(timeout), | |
190 | .help = "Stop workload when this amount of time has passed", | |
191 | .def = "0", | |
192 | }, | |
e1f36503 JA |
193 | { |
194 | .name = "mem", | |
195 | .type = FIO_OPT_STR, | |
196 | .cb = str_mem_cb, | |
15f7918f | 197 | .help = "Backing type for IO buffers", |
ee738499 | 198 | .def = "malloc", |
15f7918f | 199 | .posval = { "malloc", "shm", "shmhuge", "mmap", "mmaphuge", }, |
e1f36503 JA |
200 | }, |
201 | { | |
202 | .name = "verify", | |
203 | .type = FIO_OPT_STR, | |
204 | .cb = str_verify_cb, | |
15f7918f | 205 | .help = "Verify sum function", |
ee738499 | 206 | .def = "0", |
15f7918f | 207 | .posval = { "crc32", "md5", }, |
e1f36503 JA |
208 | }, |
209 | { | |
210 | .name = "write_iolog", | |
076efc7c JA |
211 | .type = FIO_OPT_STR_STORE, |
212 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 213 | .help = "Store IO pattern to file", |
e1f36503 JA |
214 | }, |
215 | { | |
076efc7c | 216 | .name = "read_iolog", |
e1f36503 | 217 | .type = FIO_OPT_STR_STORE, |
076efc7c | 218 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 219 | .help = "Playback IO pattern from file", |
e1f36503 JA |
220 | }, |
221 | { | |
222 | .name = "exec_prerun", | |
223 | .type = FIO_OPT_STR_STORE, | |
224 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 225 | .help = "Execute this file prior to running job", |
e1f36503 JA |
226 | }, |
227 | { | |
228 | .name = "exec_postrun", | |
229 | .type = FIO_OPT_STR_STORE, | |
230 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 231 | .help = "Execute this file after running job", |
e1f36503 JA |
232 | }, |
233 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
234 | { | |
235 | .name = "ioscheduler", | |
236 | .type = FIO_OPT_STR_STORE, | |
237 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 238 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
239 | }, |
240 | #endif | |
e1f36503 JA |
241 | { |
242 | .name = "zonesize", | |
243 | .type = FIO_OPT_STR_VAL, | |
244 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 245 | .help = "Give size of an IO zone", |
ee738499 | 246 | .def = "0", |
e1f36503 JA |
247 | }, |
248 | { | |
249 | .name = "zoneskip", | |
250 | .type = FIO_OPT_STR_VAL, | |
251 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 252 | .help = "Space between IO zones", |
ee738499 | 253 | .def = "0", |
e1f36503 JA |
254 | }, |
255 | { | |
256 | .name = "lockmem", | |
257 | .type = FIO_OPT_STR_VAL, | |
258 | .cb = str_lockmem_cb, | |
fd28ca49 | 259 | .help = "Lock down this amount of memory", |
ee738499 | 260 | .def = "0", |
e1f36503 | 261 | }, |
e1f36503 JA |
262 | { |
263 | .name = "rwmixcycle", | |
264 | .type = FIO_OPT_INT, | |
265 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
266 | .help = "Cycle period for mixed read/write workloads (msec)", |
267 | .def = "500", | |
e1f36503 JA |
268 | }, |
269 | { | |
270 | .name = "rwmixread", | |
271 | .type = FIO_OPT_INT, | |
272 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 273 | .maxval = 100, |
fd28ca49 | 274 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 275 | .def = "50", |
e1f36503 JA |
276 | }, |
277 | { | |
278 | .name = "rwmixwrite", | |
279 | .type = FIO_OPT_INT, | |
280 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 281 | .maxval = 100, |
fd28ca49 | 282 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 283 | .def = "50", |
e1f36503 JA |
284 | }, |
285 | { | |
286 | .name = "nice", | |
287 | .type = FIO_OPT_INT, | |
288 | .off1 = td_var_offset(nice), | |
fd28ca49 | 289 | .help = "Set job CPU nice value", |
15f7918f | 290 | .minval = -19, |
ee738499 JA |
291 | .maxval = 20, |
292 | .def = "0", | |
e1f36503 JA |
293 | }, |
294 | #ifdef FIO_HAVE_IOPRIO | |
295 | { | |
296 | .name = "prio", | |
297 | .type = FIO_OPT_INT, | |
298 | .cb = str_prio_cb, | |
fd28ca49 | 299 | .help = "Set job IO priority value", |
15f7918f JA |
300 | .minval = 0, |
301 | .maxval = 7, | |
e1f36503 JA |
302 | }, |
303 | { | |
304 | .name = "prioclass", | |
305 | .type = FIO_OPT_INT, | |
306 | .cb = str_prioclass_cb, | |
fd28ca49 | 307 | .help = "Set job IO priority class", |
15f7918f JA |
308 | .minval = 0, |
309 | .maxval = 3, | |
e1f36503 JA |
310 | }, |
311 | #endif | |
312 | { | |
313 | .name = "thinktime", | |
314 | .type = FIO_OPT_INT, | |
1304923a | 315 | .off1 = td_var_offset(thinktime), |
fd28ca49 | 316 | .help = "Idle time between IO buffers", |
ee738499 | 317 | .def = "0", |
e1f36503 | 318 | }, |
9c1f7434 JA |
319 | { |
320 | .name = "thinktime_blocks", | |
321 | .type = FIO_OPT_INT, | |
1304923a | 322 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 323 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 324 | .def = "1", |
9c1f7434 | 325 | }, |
e1f36503 JA |
326 | { |
327 | .name = "rate", | |
328 | .type = FIO_OPT_INT, | |
1304923a | 329 | .off1 = td_var_offset(rate), |
fd28ca49 | 330 | .help = "Set bandwidth rate", |
e1f36503 JA |
331 | }, |
332 | { | |
333 | .name = "ratemin", | |
334 | .type = FIO_OPT_INT, | |
1304923a | 335 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 336 | .help = "The bottom limit accepted", |
e1f36503 JA |
337 | }, |
338 | { | |
339 | .name = "ratecycle", | |
340 | .type = FIO_OPT_INT, | |
1304923a | 341 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 342 | .help = "Window average for rate limits (msec)", |
ee738499 | 343 | .def = "1000", |
e1f36503 | 344 | }, |
e1f36503 JA |
345 | { |
346 | .name = "invalidate", | |
13335ddb | 347 | .type = FIO_OPT_BOOL, |
1304923a | 348 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 349 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 350 | .def = "1", |
e1f36503 JA |
351 | }, |
352 | { | |
353 | .name = "sync", | |
13335ddb | 354 | .type = FIO_OPT_BOOL, |
1304923a | 355 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 356 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 357 | .def = "0", |
e1f36503 JA |
358 | }, |
359 | { | |
360 | .name = "bwavgtime", | |
361 | .type = FIO_OPT_INT, | |
1304923a | 362 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
363 | .help = "Time window over which to calculate bandwidth (msec)", |
364 | .def = "500", | |
e1f36503 JA |
365 | }, |
366 | { | |
367 | .name = "create_serialize", | |
13335ddb | 368 | .type = FIO_OPT_BOOL, |
1304923a | 369 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 370 | .help = "Serialize creating of job files", |
ee738499 | 371 | .def = "1", |
e1f36503 JA |
372 | }, |
373 | { | |
374 | .name = "create_fsync", | |
13335ddb | 375 | .type = FIO_OPT_BOOL, |
1304923a | 376 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 377 | .help = "Fsync file after creation", |
ee738499 | 378 | .def = "1", |
e1f36503 | 379 | }, |
e1f36503 JA |
380 | { |
381 | .name = "cpuload", | |
382 | .type = FIO_OPT_INT, | |
1304923a | 383 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 384 | .help = "Use this percentage of CPU", |
e1f36503 JA |
385 | }, |
386 | { | |
387 | .name = "cpuchunks", | |
388 | .type = FIO_OPT_INT, | |
1304923a | 389 | .off1 = td_var_offset(cpucycle), |
fd28ca49 | 390 | .help = "Length of the CPU burn cycles", |
e1f36503 | 391 | }, |
e1f36503 JA |
392 | #ifdef FIO_HAVE_CPU_AFFINITY |
393 | { | |
394 | .name = "cpumask", | |
395 | .type = FIO_OPT_INT, | |
396 | .cb = str_cpumask_cb, | |
fd28ca49 | 397 | .help = "CPU affinity mask", |
e1f36503 JA |
398 | }, |
399 | #endif | |
400 | { | |
401 | .name = "end_fsync", | |
13335ddb | 402 | .type = FIO_OPT_BOOL, |
1304923a | 403 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 404 | .help = "Include fsync at the end of job", |
ee738499 | 405 | .def = "0", |
e1f36503 JA |
406 | }, |
407 | { | |
408 | .name = "unlink", | |
13335ddb | 409 | .type = FIO_OPT_BOOL, |
e1f36503 | 410 | .off1 = td_var_offset(unlink), |
ee738499 JA |
411 | .help = "Unlink created files after job has completed", |
412 | .def = "1", | |
e1f36503 JA |
413 | }, |
414 | { | |
415 | .name = "exitall", | |
416 | .type = FIO_OPT_STR_SET, | |
417 | .cb = str_exitall_cb, | |
fd28ca49 | 418 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
419 | }, |
420 | { | |
421 | .name = "stonewall", | |
422 | .type = FIO_OPT_STR_SET, | |
423 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 424 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
425 | }, |
426 | { | |
427 | .name = "thread", | |
428 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 429 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 430 | .help = "Use threads instead of forks", |
e1f36503 JA |
431 | }, |
432 | { | |
433 | .name = "write_bw_log", | |
434 | .type = FIO_OPT_STR_SET, | |
435 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 436 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
437 | }, |
438 | { | |
439 | .name = "write_lat_log", | |
440 | .type = FIO_OPT_STR_SET, | |
441 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 442 | .help = "Write log of latency during run", |
e1f36503 | 443 | }, |
56bb17f2 JA |
444 | { |
445 | .name = "hugepage-size", | |
446 | .type = FIO_OPT_STR_VAL, | |
447 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 448 | .help = "When using hugepages, specify size of each page", |
ee738499 | 449 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 450 | }, |
e1f36503 JA |
451 | { |
452 | .name = NULL, | |
453 | }, | |
454 | }; | |
455 | ||
b4692828 JA |
456 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
457 | #define FIO_CMD_OPTS (16) | |
458 | #define FIO_GETOPT_JOB (0x89988998) | |
459 | ||
460 | /* | |
461 | * Command line options. These will contain the above, plus a few | |
462 | * extra that only pertain to fio itself and not jobs. | |
463 | */ | |
464 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
465 | { | |
466 | .name = "output", | |
467 | .has_arg = required_argument, | |
468 | .val = 'o', | |
469 | }, | |
470 | { | |
471 | .name = "timeout", | |
472 | .has_arg = required_argument, | |
473 | .val = 't', | |
474 | }, | |
475 | { | |
476 | .name = "latency-log", | |
477 | .has_arg = required_argument, | |
478 | .val = 'l', | |
479 | }, | |
480 | { | |
481 | .name = "bandwidth-log", | |
482 | .has_arg = required_argument, | |
483 | .val = 'b', | |
484 | }, | |
485 | { | |
486 | .name = "minimal", | |
487 | .has_arg = optional_argument, | |
488 | .val = 'm', | |
489 | }, | |
490 | { | |
491 | .name = "version", | |
492 | .has_arg = no_argument, | |
493 | .val = 'v', | |
494 | }, | |
fd28ca49 JA |
495 | { |
496 | .name = "help", | |
497 | .has_arg = no_argument, | |
498 | .val = 'h', | |
499 | }, | |
500 | { | |
501 | .name = "cmdhelp", | |
502 | .has_arg = required_argument, | |
503 | .val = 'c', | |
504 | }, | |
b4692828 JA |
505 | { |
506 | .name = NULL, | |
507 | }, | |
508 | }; | |
509 | ||
ee738499 | 510 | static int def_timeout = 0; |
972cfd25 | 511 | |
5cd033bb | 512 | static char fio_version_string[] = "fio 1.11"; |
ebac4655 | 513 | |
972cfd25 | 514 | static char **ini_file; |
ebac4655 JA |
515 | static int max_jobs = MAX_JOBS; |
516 | ||
517 | struct thread_data def_thread; | |
518 | struct thread_data *threads = NULL; | |
519 | ||
ebac4655 | 520 | int exitall_on_terminate = 0; |
c6ae0a5b | 521 | int terse_output = 0; |
c04f7ec3 | 522 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
523 | FILE *f_out = NULL; |
524 | FILE *f_err = NULL; | |
ebac4655 | 525 | |
ee738499 JA |
526 | static int write_lat_log = 0; |
527 | static int write_bw_log = 0; | |
ec94ec56 | 528 | |
906c8d75 JA |
529 | /* |
530 | * Return a free job structure. | |
531 | */ | |
ebac4655 JA |
532 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
533 | { | |
534 | struct thread_data *td; | |
535 | ||
536 | if (global) | |
537 | return &def_thread; | |
538 | if (thread_number >= max_jobs) | |
539 | return NULL; | |
540 | ||
541 | td = &threads[thread_number++]; | |
ddaeaa5a | 542 | *td = *parent; |
ebac4655 | 543 | |
ebac4655 | 544 | td->thread_number = thread_number; |
ebac4655 JA |
545 | return td; |
546 | } | |
547 | ||
548 | static void put_job(struct thread_data *td) | |
549 | { | |
549577a7 JA |
550 | if (td == &def_thread) |
551 | return; | |
552 | ||
ebac4655 JA |
553 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
554 | thread_number--; | |
555 | } | |
556 | ||
dad915e3 JA |
557 | /* |
558 | * Lazy way of fixing up options that depend on each other. We could also | |
559 | * define option callback handlers, but this is easier. | |
560 | */ | |
e1f36503 JA |
561 | static void fixup_options(struct thread_data *td) |
562 | { | |
e1f36503 JA |
563 | if (!td->rwmixread && td->rwmixwrite) |
564 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 565 | |
076efc7c JA |
566 | if (td->write_iolog_file && td->read_iolog_file) { |
567 | log_err("fio: read iolog overrides write_iolog\n"); | |
568 | free(td->write_iolog_file); | |
569 | td->write_iolog_file = NULL; | |
570 | } | |
16b462ae JA |
571 | |
572 | if (td->io_ops->flags & FIO_SYNCIO) | |
573 | td->iodepth = 1; | |
574 | else { | |
575 | if (!td->iodepth) | |
576 | td->iodepth = td->nr_files; | |
577 | } | |
578 | ||
579 | /* | |
580 | * only really works for sequential io for now, and with 1 file | |
581 | */ | |
582 | if (td->zone_size && !td->sequential && td->nr_files == 1) | |
583 | td->zone_size = 0; | |
584 | ||
585 | /* | |
586 | * Reads can do overwrites, we always need to pre-create the file | |
587 | */ | |
588 | if (td_read(td) || td_rw(td)) | |
589 | td->overwrite = 1; | |
590 | ||
a00735e6 JA |
591 | if (!td->min_bs[DDIR_READ]) |
592 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
593 | if (!td->max_bs[DDIR_READ]) | |
594 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
595 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 596 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 597 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 598 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
599 | |
600 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
601 | ||
16b462ae JA |
602 | if (td_read(td) && !td_rw(td)) |
603 | td->verify = 0; | |
bb8895e0 JA |
604 | |
605 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
606 | log_err("fio: norandommap given, verify disabled\n"); | |
607 | td->verify = VERIFY_NONE; | |
608 | } | |
690adba3 JA |
609 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
610 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
611 | |
612 | /* | |
613 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
614 | */ | |
615 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
616 | td->odirect = 0; | |
e1f36503 JA |
617 | } |
618 | ||
f8977ee6 JA |
619 | /* |
620 | * This function leaks the buffer | |
621 | */ | |
622 | static char *to_kmg(unsigned int val) | |
623 | { | |
624 | char *buf = malloc(32); | |
245142ff | 625 | char post[] = { 0, 'K', 'M', 'G', 'P', 0 }; |
f8977ee6 JA |
626 | char *p = post; |
627 | ||
245142ff | 628 | do { |
f8977ee6 JA |
629 | if (val & 1023) |
630 | break; | |
631 | ||
632 | val >>= 10; | |
633 | p++; | |
245142ff | 634 | } while (*p); |
f8977ee6 JA |
635 | |
636 | snprintf(buf, 31, "%u%c", val, *p); | |
637 | return buf; | |
638 | } | |
639 | ||
906c8d75 JA |
640 | /* |
641 | * Adds a job to the list of things todo. Sanitizes the various options | |
642 | * to make sure we don't have conflicts, and initializes various | |
643 | * members of td. | |
644 | */ | |
75154845 | 645 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 646 | { |
3c9b60c1 JA |
647 | const char *ddir_str[] = { "read", "write", "randread", "randwrite", |
648 | "rw", NULL, "randrw" }; | |
ebac4655 | 649 | struct stat sb; |
53cdc686 JA |
650 | int numjobs, ddir, i; |
651 | struct fio_file *f; | |
ebac4655 | 652 | |
ebac4655 JA |
653 | /* |
654 | * the def_thread is just for options, it's not a real job | |
655 | */ | |
656 | if (td == &def_thread) | |
657 | return 0; | |
658 | ||
ee738499 | 659 | assert(td->io_ops); |
df64119d | 660 | |
690adba3 JA |
661 | if (td->odirect) |
662 | td->io_ops->flags |= FIO_RAWIO; | |
663 | ||
ebac4655 | 664 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
665 | if (!stat(jobname, &sb)) { |
666 | if (S_ISBLK(sb.st_mode)) | |
667 | td->filetype = FIO_TYPE_BD; | |
668 | else if (S_ISCHR(sb.st_mode)) | |
669 | td->filetype = FIO_TYPE_CHAR; | |
670 | } | |
ebac4655 | 671 | |
e0a22335 JA |
672 | fixup_options(td); |
673 | ||
13f8e2d2 JA |
674 | if (td->filename) |
675 | td->nr_uniq_files = 1; | |
676 | else | |
677 | td->nr_uniq_files = td->nr_files; | |
678 | ||
679 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 680 | char tmp[PATH_MAX]; |
53cdc686 | 681 | int len = 0; |
e9c047a0 | 682 | |
ef899b63 | 683 | if (td->directory && td->directory[0] != '\0') |
8aeebd55 | 684 | len = sprintf(tmp, "%s/", td->directory); |
ebac4655 | 685 | |
53cdc686 JA |
686 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
687 | ||
688 | for_each_file(td, f, i) { | |
689 | memset(f, 0, sizeof(*f)); | |
690 | f->fd = -1; | |
691 | ||
13f8e2d2 JA |
692 | if (td->filename) |
693 | sprintf(tmp + len, "%s", td->filename); | |
694 | else | |
695 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
696 | f->file_name = strdup(tmp); |
697 | } | |
698 | } else { | |
699 | td->nr_files = 1; | |
700 | td->files = malloc(sizeof(struct fio_file)); | |
701 | f = &td->files[0]; | |
702 | ||
703 | memset(f, 0, sizeof(*f)); | |
704 | f->fd = -1; | |
705 | f->file_name = strdup(jobname); | |
706 | } | |
707 | ||
708 | for_each_file(td, f, i) { | |
709 | f->file_size = td->total_file_size / td->nr_files; | |
710 | f->file_offset = td->start_offset; | |
711 | } | |
712 | ||
bbfd6b00 | 713 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
714 | |
715 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
716 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
717 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
718 | ||
ebac4655 JA |
719 | if (td->stonewall && td->thread_number > 1) |
720 | groupid++; | |
721 | ||
722 | td->groupid = groupid; | |
723 | ||
724 | if (setup_rate(td)) | |
725 | goto err; | |
726 | ||
ec94ec56 | 727 | if (td->write_lat_log) { |
ebac4655 JA |
728 | setup_log(&td->slat_log); |
729 | setup_log(&td->clat_log); | |
730 | } | |
ec94ec56 | 731 | if (td->write_bw_log) |
ebac4655 JA |
732 | setup_log(&td->bw_log); |
733 | ||
b4692828 JA |
734 | if (!td->name) |
735 | td->name = strdup(jobname); | |
01452055 | 736 | |
3d60d1ed | 737 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 738 | |
c6ae0a5b | 739 | if (!terse_output) { |
b990b5c0 | 740 | if (!job_add_num) { |
2866c82d | 741 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 | 742 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
743 | else { |
744 | char *c1, *c2, *c3, *c4; | |
745 | ||
746 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
747 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
748 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
749 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
750 | ||
1e97cce9 | 751 | fprintf(f_out, "%s: (g=%d): rw=%s, odir=%u, bs=%s-%s/%s-%s, rate=%u, ioengine=%s, iodepth=%u\n", td->name, td->groupid, ddir_str[ddir], td->odirect, c1, c2, c3, c4, td->rate, td->io_ops->name, td->iodepth); |
f8977ee6 JA |
752 | |
753 | free(c1); | |
754 | free(c2); | |
755 | free(c3); | |
756 | free(c4); | |
757 | } | |
b990b5c0 | 758 | } else if (job_add_num == 1) |
c6ae0a5b JA |
759 | fprintf(f_out, "...\n"); |
760 | } | |
ebac4655 JA |
761 | |
762 | /* | |
763 | * recurse add identical jobs, clear numjobs and stonewall options | |
764 | * as they don't apply to sub-jobs | |
765 | */ | |
766 | numjobs = td->numjobs; | |
767 | while (--numjobs) { | |
768 | struct thread_data *td_new = get_new_job(0, td); | |
769 | ||
770 | if (!td_new) | |
771 | goto err; | |
772 | ||
773 | td_new->numjobs = 1; | |
774 | td_new->stonewall = 0; | |
75154845 | 775 | job_add_num = numjobs - 1; |
ebac4655 | 776 | |
75154845 | 777 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
778 | goto err; |
779 | } | |
780 | return 0; | |
781 | err: | |
782 | put_job(td); | |
783 | return -1; | |
784 | } | |
785 | ||
906c8d75 JA |
786 | /* |
787 | * Initialize the various random states we need (random io, block size ranges, | |
788 | * read/write mix, etc). | |
789 | */ | |
ebac4655 JA |
790 | int init_random_state(struct thread_data *td) |
791 | { | |
a6ccc7be | 792 | unsigned long seeds[4]; |
53cdc686 | 793 | int fd, num_maps, blocks, i; |
0ab8db89 | 794 | struct fio_file *f; |
ebac4655 | 795 | |
f48b467c JA |
796 | if (td->io_ops->flags & FIO_CPUIO) |
797 | return 0; | |
798 | ||
1ac267bb | 799 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
800 | if (fd == -1) { |
801 | td_verror(td, errno); | |
802 | return 1; | |
803 | } | |
804 | ||
a6ccc7be | 805 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
806 | td_verror(td, EIO); |
807 | close(fd); | |
808 | return 1; | |
809 | } | |
810 | ||
811 | close(fd); | |
812 | ||
6dfd46b9 JA |
813 | os_random_seed(seeds[0], &td->bsrange_state); |
814 | os_random_seed(seeds[1], &td->verify_state); | |
815 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
816 | |
817 | if (td->sequential) | |
818 | return 0; | |
819 | ||
9ebc27e1 | 820 | if (td->rand_repeatable) |
ee738499 | 821 | seeds[3] = FIO_RANDSEED; |
ebac4655 | 822 | |
bb8895e0 JA |
823 | if (!td->norandommap) { |
824 | for_each_file(td, f, i) { | |
a00735e6 | 825 | blocks = (f->file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 826 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
827 | f->file_map = malloc(num_maps * sizeof(long)); |
828 | f->num_maps = num_maps; | |
829 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
830 | } | |
53cdc686 | 831 | } |
ebac4655 | 832 | |
6dfd46b9 | 833 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
834 | return 0; |
835 | } | |
836 | ||
837 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
838 | { | |
839 | #ifdef FIO_HAVE_CPU_AFFINITY | |
840 | unsigned int i; | |
841 | ||
842 | CPU_ZERO(&cpumask); | |
843 | ||
844 | for (i = 0; i < sizeof(int) * 8; i++) { | |
845 | if ((1 << i) & cpu) | |
846 | CPU_SET(i, &cpumask); | |
847 | } | |
848 | #endif | |
849 | } | |
850 | ||
ebac4655 JA |
851 | static int is_empty_or_comment(char *line) |
852 | { | |
853 | unsigned int i; | |
854 | ||
855 | for (i = 0; i < strlen(line); i++) { | |
856 | if (line[i] == ';') | |
857 | return 1; | |
858 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
859 | return 0; | |
860 | } | |
861 | ||
862 | return 1; | |
863 | } | |
864 | ||
b4692828 | 865 | static int str_rw_cb(void *data, const char *mem) |
ebac4655 | 866 | { |
cb2c86fd JA |
867 | struct thread_data *td = data; |
868 | ||
ebac4655 JA |
869 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
870 | td->ddir = DDIR_READ; | |
871 | td->sequential = 1; | |
872 | return 0; | |
873 | } else if (!strncmp(mem, "randread", 8)) { | |
874 | td->ddir = DDIR_READ; | |
875 | td->sequential = 0; | |
876 | return 0; | |
877 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
878 | td->ddir = DDIR_WRITE; | |
879 | td->sequential = 1; | |
880 | return 0; | |
881 | } else if (!strncmp(mem, "randwrite", 9)) { | |
882 | td->ddir = DDIR_WRITE; | |
883 | td->sequential = 0; | |
884 | return 0; | |
3d60d1ed | 885 | } else if (!strncmp(mem, "rw", 2)) { |
1e97cce9 | 886 | td->ddir = DDIR_READ; |
3d60d1ed JA |
887 | td->iomix = 1; |
888 | td->sequential = 1; | |
889 | return 0; | |
890 | } else if (!strncmp(mem, "randrw", 6)) { | |
1e97cce9 | 891 | td->ddir = DDIR_READ; |
3d60d1ed JA |
892 | td->iomix = 1; |
893 | td->sequential = 0; | |
894 | return 0; | |
ebac4655 JA |
895 | } |
896 | ||
3b70d7e5 | 897 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
898 | return 1; |
899 | } | |
900 | ||
b4692828 | 901 | static int str_verify_cb(void *data, const char *mem) |
ebac4655 | 902 | { |
cb2c86fd JA |
903 | struct thread_data *td = data; |
904 | ||
ebac4655 JA |
905 | if (!strncmp(mem, "0", 1)) { |
906 | td->verify = VERIFY_NONE; | |
907 | return 0; | |
908 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
909 | td->verify = VERIFY_MD5; | |
910 | return 0; | |
911 | } else if (!strncmp(mem, "crc32", 5)) { | |
912 | td->verify = VERIFY_CRC32; | |
913 | return 0; | |
914 | } | |
915 | ||
3b70d7e5 | 916 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
917 | return 1; |
918 | } | |
919 | ||
313cb206 JA |
920 | /* |
921 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
922 | */ | |
923 | static char *get_mmap_file(const char *str) | |
924 | { | |
925 | char *p = strstr(str, ":"); | |
926 | ||
927 | if (!p) | |
928 | return NULL; | |
929 | ||
930 | p++; | |
931 | strip_blank_front(&p); | |
932 | strip_blank_end(p); | |
933 | return strdup(p); | |
934 | } | |
935 | ||
b4692828 | 936 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 937 | { |
cb2c86fd JA |
938 | struct thread_data *td = data; |
939 | ||
ebac4655 JA |
940 | if (!strncmp(mem, "malloc", 6)) { |
941 | td->mem_type = MEM_MALLOC; | |
942 | return 0; | |
d0bdaf49 JA |
943 | } else if (!strncmp(mem, "mmaphuge", 8)) { |
944 | #ifdef FIO_HAVE_HUGETLB | |
d0bdaf49 JA |
945 | /* |
946 | * mmaphuge must be appended with the actual file | |
947 | */ | |
313cb206 JA |
948 | td->mmapfile = get_mmap_file(mem); |
949 | if (!td->mmapfile) { | |
d0bdaf49 JA |
950 | log_err("fio: mmaphuge:/path/to/file\n"); |
951 | return 1; | |
952 | } | |
953 | ||
d0bdaf49 JA |
954 | td->mem_type = MEM_MMAPHUGE; |
955 | return 0; | |
956 | #else | |
957 | log_err("fio: mmaphuge not available\n"); | |
958 | return 1; | |
959 | #endif | |
ebac4655 | 960 | } else if (!strncmp(mem, "mmap", 4)) { |
313cb206 JA |
961 | /* |
962 | * Check if the user wants file backed memory. It's ok | |
963 | * if there's no file given, we'll just use anon mamp then. | |
964 | */ | |
965 | td->mmapfile = get_mmap_file(mem); | |
ebac4655 JA |
966 | td->mem_type = MEM_MMAP; |
967 | return 0; | |
74b025b0 JA |
968 | } else if (!strncmp(mem, "shmhuge", 7)) { |
969 | #ifdef FIO_HAVE_HUGETLB | |
970 | td->mem_type = MEM_SHMHUGE; | |
971 | return 0; | |
972 | #else | |
973 | log_err("fio: shmhuge not available\n"); | |
974 | return 1; | |
975 | #endif | |
0268b8ba JA |
976 | } else if (!strncmp(mem, "shm", 3)) { |
977 | td->mem_type = MEM_SHM; | |
978 | return 0; | |
ebac4655 JA |
979 | } |
980 | ||
d0bdaf49 | 981 | log_err("fio: mem type: malloc, shm, shmhuge, mmap, mmaphuge\n"); |
ebac4655 JA |
982 | return 1; |
983 | } | |
984 | ||
b4692828 | 985 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 986 | { |
cb2c86fd JA |
987 | struct thread_data *td = data; |
988 | ||
2866c82d JA |
989 | td->io_ops = load_ioengine(td, str); |
990 | if (td->io_ops) | |
b990b5c0 | 991 | return 0; |
ebac4655 | 992 | |
08aae9a0 | 993 | log_err("fio: ioengine= libaio, posixaio, sync, mmap, sgio, splice, cpu, null\n"); |
5f350952 | 994 | log_err("fio: or specify path to dynamic ioengine module\n"); |
ebac4655 JA |
995 | return 1; |
996 | } | |
997 | ||
e1f36503 JA |
998 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
999 | { | |
1000 | mlock_size = *val; | |
1001 | return 0; | |
1002 | } | |
1003 | ||
34cfcdaf | 1004 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1005 | static int str_prioclass_cb(void *data, unsigned int *val) |
1006 | { | |
1007 | struct thread_data *td = data; | |
1008 | ||
1009 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | static int str_prio_cb(void *data, unsigned int *val) | |
1014 | { | |
1015 | struct thread_data *td = data; | |
1016 | ||
1017 | td->ioprio |= *val; | |
1018 | return 0; | |
1019 | } | |
34cfcdaf | 1020 | #endif |
e1f36503 JA |
1021 | |
1022 | static int str_exitall_cb(void) | |
1023 | { | |
1024 | exitall_on_terminate = 1; | |
1025 | return 0; | |
1026 | } | |
1027 | ||
1028 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1029 | { | |
1030 | struct thread_data *td = data; | |
1031 | ||
1032 | fill_cpu_mask(td->cpumask, *val); | |
1033 | return 0; | |
1034 | } | |
1035 | ||
07261983 JA |
1036 | /* |
1037 | * This is our [ini] type file parser. | |
1038 | */ | |
1e97cce9 | 1039 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1040 | { |
e1f36503 | 1041 | unsigned int global; |
ebac4655 | 1042 | struct thread_data *td; |
fee3bb48 | 1043 | char *string, *name; |
ebac4655 JA |
1044 | fpos_t off; |
1045 | FILE *f; | |
1046 | char *p; | |
0c7e37a0 | 1047 | int ret = 0, stonewall; |
ebac4655 JA |
1048 | |
1049 | f = fopen(file, "r"); | |
1050 | if (!f) { | |
aea47d44 | 1051 | perror("fopen job file"); |
ebac4655 JA |
1052 | return 1; |
1053 | } | |
1054 | ||
1055 | string = malloc(4096); | |
1056 | name = malloc(256); | |
fee3bb48 | 1057 | memset(name, 0, 256); |
ebac4655 | 1058 | |
0c7e37a0 | 1059 | stonewall = stonewall_flag; |
7c124ac1 JA |
1060 | do { |
1061 | p = fgets(string, 4095, f); | |
1062 | if (!p) | |
45410acb | 1063 | break; |
ebac4655 JA |
1064 | if (is_empty_or_comment(p)) |
1065 | continue; | |
fee3bb48 | 1066 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1067 | continue; |
1068 | ||
1069 | global = !strncmp(name, "global", 6); | |
1070 | ||
1071 | name[strlen(name) - 1] = '\0'; | |
1072 | ||
1073 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1074 | if (!td) { |
1075 | ret = 1; | |
1076 | break; | |
1077 | } | |
ebac4655 | 1078 | |
972cfd25 JA |
1079 | /* |
1080 | * Seperate multiple job files by a stonewall | |
1081 | */ | |
f9481919 | 1082 | if (!global && stonewall) { |
972cfd25 JA |
1083 | td->stonewall = stonewall; |
1084 | stonewall = 0; | |
1085 | } | |
1086 | ||
ebac4655 JA |
1087 | fgetpos(f, &off); |
1088 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1089 | if (is_empty_or_comment(p)) | |
1090 | continue; | |
e1f36503 | 1091 | |
b6754f9d | 1092 | strip_blank_front(&p); |
7c124ac1 JA |
1093 | |
1094 | if (p[0] == '[') | |
1095 | break; | |
1096 | ||
4ae3f763 | 1097 | strip_blank_end(p); |
aea47d44 | 1098 | |
e1f36503 | 1099 | fgetpos(f, &off); |
ebac4655 | 1100 | |
45410acb JA |
1101 | /* |
1102 | * Don't break here, continue parsing options so we | |
1103 | * dump all the bad ones. Makes trial/error fixups | |
1104 | * easier on the user. | |
1105 | */ | |
7c124ac1 | 1106 | ret |= parse_option(p, options, td); |
ebac4655 | 1107 | } |
ebac4655 | 1108 | |
45410acb JA |
1109 | if (!ret) { |
1110 | fsetpos(f, &off); | |
1111 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1112 | } else { |
1113 | log_err("fio: job %s dropped\n", name); | |
1114 | put_job(td); | |
45410acb | 1115 | } |
7c124ac1 | 1116 | } while (!ret); |
ebac4655 JA |
1117 | |
1118 | free(string); | |
1119 | free(name); | |
1120 | fclose(f); | |
45410acb | 1121 | return ret; |
ebac4655 JA |
1122 | } |
1123 | ||
1124 | static int fill_def_thread(void) | |
1125 | { | |
1126 | memset(&def_thread, 0, sizeof(def_thread)); | |
1127 | ||
1128 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1129 | perror("sched_getaffinity"); | |
1130 | return 1; | |
1131 | } | |
1132 | ||
1133 | /* | |
ee738499 | 1134 | * fill default options |
ebac4655 | 1135 | */ |
ee738499 JA |
1136 | fill_default_options(&def_thread, options); |
1137 | ||
972cfd25 | 1138 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1139 | def_thread.write_bw_log = write_bw_log; |
1140 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1141 | |
ebac4655 JA |
1142 | #ifdef FIO_HAVE_DISK_UTIL |
1143 | def_thread.do_disk_util = 1; | |
1144 | #endif | |
1145 | ||
1146 | return 0; | |
1147 | } | |
1148 | ||
0ab8db89 | 1149 | static void usage(void) |
4785f995 JA |
1150 | { |
1151 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1152 | printf("\t--output\tWrite output to file\n"); |
1153 | printf("\t--timeout\tRuntime in seconds\n"); | |
1154 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1155 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1156 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1157 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1158 | printf("\t--help\t\tPrint this page\n"); |
1159 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1160 | } |
1161 | ||
972cfd25 | 1162 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1163 | { |
b4692828 | 1164 | struct thread_data *td = NULL; |
c2b1e753 | 1165 | int c, ini_idx = 0, lidx, ret; |
ebac4655 | 1166 | |
b4692828 | 1167 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1168 | switch (c) { |
b4692828 JA |
1169 | case 't': |
1170 | def_timeout = atoi(optarg); | |
1171 | break; | |
1172 | case 'l': | |
1173 | write_lat_log = 1; | |
1174 | break; | |
1175 | case 'w': | |
1176 | write_bw_log = 1; | |
1177 | break; | |
1178 | case 'o': | |
1179 | f_out = fopen(optarg, "w+"); | |
1180 | if (!f_out) { | |
1181 | perror("fopen output"); | |
1182 | exit(1); | |
1183 | } | |
1184 | f_err = f_out; | |
1185 | break; | |
1186 | case 'm': | |
1187 | terse_output = 1; | |
1188 | break; | |
1189 | case 'h': | |
1190 | usage(); | |
1191 | exit(0); | |
fd28ca49 | 1192 | case 'c': |
29fc6afe JA |
1193 | ret = show_cmd_help(options, optarg); |
1194 | exit(ret); | |
b4692828 JA |
1195 | case 'v': |
1196 | printf("%s\n", fio_version_string); | |
1197 | exit(0); | |
1198 | case FIO_GETOPT_JOB: { | |
1199 | const char *opt = long_options[lidx].name; | |
1200 | char *val = optarg; | |
1201 | ||
c2b1e753 JA |
1202 | if (!strncmp(opt, "name", 4) && td) { |
1203 | ret = add_job(td, td->name ?: "fio", 0); | |
1204 | if (ret) { | |
1205 | put_job(td); | |
1206 | return 0; | |
1207 | } | |
1208 | td = NULL; | |
1209 | } | |
b4692828 | 1210 | if (!td) { |
38d0adb0 | 1211 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1212 | |
1213 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1214 | if (!td) |
1215 | return 0; | |
1216 | } | |
38d0adb0 | 1217 | |
b1508cf9 JA |
1218 | ret = parse_cmd_option(opt, val, options, td); |
1219 | if (ret) { | |
1220 | log_err("fio: job dropped\n"); | |
1221 | put_job(td); | |
1222 | td = NULL; | |
1223 | } | |
b4692828 JA |
1224 | break; |
1225 | } | |
1226 | default: | |
b4692828 | 1227 | break; |
ebac4655 JA |
1228 | } |
1229 | } | |
c9fad893 | 1230 | |
b4692828 | 1231 | if (td) { |
c2b1e753 | 1232 | ret = add_job(td, td->name ?: "fio", 0); |
b4692828 JA |
1233 | if (ret) |
1234 | put_job(td); | |
972cfd25 | 1235 | } |
774a6177 | 1236 | |
b4692828 JA |
1237 | while (optind < argc) { |
1238 | ini_idx++; | |
1239 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1240 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1241 | optind++; | |
eb8bbf48 | 1242 | } |
972cfd25 JA |
1243 | |
1244 | return ini_idx; | |
ebac4655 JA |
1245 | } |
1246 | ||
1247 | static void free_shm(void) | |
1248 | { | |
1249 | struct shmid_ds sbuf; | |
1250 | ||
1251 | if (threads) { | |
2c0ecd28 | 1252 | shmdt((void *) threads); |
ebac4655 JA |
1253 | threads = NULL; |
1254 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1255 | } | |
1256 | } | |
1257 | ||
906c8d75 JA |
1258 | /* |
1259 | * The thread area is shared between the main process and the job | |
1260 | * threads/processes. So setup a shared memory segment that will hold | |
1261 | * all the job info. | |
1262 | */ | |
ebac4655 JA |
1263 | static int setup_thread_area(void) |
1264 | { | |
1265 | /* | |
1266 | * 1024 is too much on some machines, scale max_jobs if | |
1267 | * we get a failure that looks like too large a shm segment | |
1268 | */ | |
1269 | do { | |
906c8d75 | 1270 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1271 | |
906c8d75 | 1272 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1273 | if (shm_id != -1) |
1274 | break; | |
1275 | if (errno != EINVAL) { | |
1276 | perror("shmget"); | |
1277 | break; | |
1278 | } | |
1279 | ||
1280 | max_jobs >>= 1; | |
1281 | } while (max_jobs); | |
1282 | ||
1283 | if (shm_id == -1) | |
1284 | return 1; | |
1285 | ||
1286 | threads = shmat(shm_id, NULL, 0); | |
1287 | if (threads == (void *) -1) { | |
1288 | perror("shmat"); | |
1289 | return 1; | |
1290 | } | |
1291 | ||
1292 | atexit(free_shm); | |
1293 | return 0; | |
1294 | } | |
1295 | ||
b4692828 JA |
1296 | /* |
1297 | * Copy the fio options into the long options map, so we mirror | |
1298 | * job and cmd line options. | |
1299 | */ | |
1300 | static void dupe_job_options(void) | |
1301 | { | |
1302 | struct fio_option *o; | |
1303 | unsigned int i; | |
1304 | ||
1305 | i = 0; | |
1306 | while (long_options[i].name) | |
1307 | i++; | |
1308 | ||
1309 | o = &options[0]; | |
1310 | while (o->name) { | |
1311 | long_options[i].name = o->name; | |
1312 | long_options[i].val = FIO_GETOPT_JOB; | |
1313 | if (o->type == FIO_OPT_STR_SET) | |
1314 | long_options[i].has_arg = no_argument; | |
1315 | else | |
1316 | long_options[i].has_arg = required_argument; | |
1317 | ||
1318 | i++; | |
1319 | o++; | |
1320 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1321 | } | |
1322 | } | |
1323 | ||
ebac4655 JA |
1324 | int parse_options(int argc, char *argv[]) |
1325 | { | |
972cfd25 JA |
1326 | int job_files, i; |
1327 | ||
b4692828 JA |
1328 | f_out = stdout; |
1329 | f_err = stderr; | |
1330 | ||
13335ddb JA |
1331 | options_init(options); |
1332 | ||
b4692828 JA |
1333 | dupe_job_options(); |
1334 | ||
ebac4655 JA |
1335 | if (setup_thread_area()) |
1336 | return 1; | |
1337 | if (fill_def_thread()) | |
1338 | return 1; | |
1339 | ||
972cfd25 | 1340 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1341 | |
972cfd25 JA |
1342 | for (i = 0; i < job_files; i++) { |
1343 | if (fill_def_thread()) | |
1344 | return 1; | |
0c7e37a0 | 1345 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1346 | return 1; |
88c6ed80 | 1347 | free(ini_file[i]); |
972cfd25 | 1348 | } |
ebac4655 | 1349 | |
88c6ed80 | 1350 | free(ini_file); |
b4692828 JA |
1351 | |
1352 | if (!thread_number) { | |
1353 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1354 | return 1; |
1355 | } | |
1356 | ||
ebac4655 JA |
1357 | return 0; |
1358 | } |