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), | |
76a43db4 JA |
154 | .help = "Use O_DIRECT IO (negates buffered)", |
155 | .def = "0", | |
156 | }, | |
157 | { | |
158 | .name = "buffered", | |
159 | .type = FIO_OPT_BOOL, | |
160 | .off1 = td_var_offset(odirect), | |
161 | .neg = 1, | |
162 | .help = "Use buffered IO (negates direct)", | |
03b74b3e JA |
163 | .def = "1", |
164 | }, | |
165 | { | |
166 | .name = "overwrite", | |
167 | .type = FIO_OPT_BOOL, | |
168 | .off1 = td_var_offset(overwrite), | |
169 | .help = "When writing, set whether to overwrite current data", | |
170 | .def = "0", | |
171 | }, | |
172 | { | |
173 | .name = "loops", | |
174 | .type = FIO_OPT_INT, | |
175 | .off1 = td_var_offset(loops), | |
176 | .help = "Number of times to run the job", | |
177 | .def = "1", | |
178 | }, | |
179 | { | |
180 | .name = "numjobs", | |
181 | .type = FIO_OPT_INT, | |
182 | .off1 = td_var_offset(numjobs), | |
183 | .help = "Duplicate this job this many times", | |
184 | .def = "1", | |
185 | }, | |
186 | { | |
187 | .name = "startdelay", | |
188 | .type = FIO_OPT_INT, | |
189 | .off1 = td_var_offset(start_delay), | |
190 | .help = "Only start job when this period has passed", | |
191 | .def = "0", | |
192 | }, | |
193 | { | |
194 | .name = "runtime", | |
195 | .alias = "timeout", | |
196 | .type = FIO_OPT_STR_VAL_TIME, | |
197 | .off1 = td_var_offset(timeout), | |
198 | .help = "Stop workload when this amount of time has passed", | |
199 | .def = "0", | |
200 | }, | |
e1f36503 JA |
201 | { |
202 | .name = "mem", | |
203 | .type = FIO_OPT_STR, | |
204 | .cb = str_mem_cb, | |
15f7918f | 205 | .help = "Backing type for IO buffers", |
ee738499 | 206 | .def = "malloc", |
15f7918f | 207 | .posval = { "malloc", "shm", "shmhuge", "mmap", "mmaphuge", }, |
e1f36503 JA |
208 | }, |
209 | { | |
210 | .name = "verify", | |
211 | .type = FIO_OPT_STR, | |
212 | .cb = str_verify_cb, | |
15f7918f | 213 | .help = "Verify sum function", |
ee738499 | 214 | .def = "0", |
15f7918f | 215 | .posval = { "crc32", "md5", }, |
e1f36503 JA |
216 | }, |
217 | { | |
218 | .name = "write_iolog", | |
076efc7c JA |
219 | .type = FIO_OPT_STR_STORE, |
220 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 221 | .help = "Store IO pattern to file", |
e1f36503 JA |
222 | }, |
223 | { | |
076efc7c | 224 | .name = "read_iolog", |
e1f36503 | 225 | .type = FIO_OPT_STR_STORE, |
076efc7c | 226 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 227 | .help = "Playback IO pattern from file", |
e1f36503 JA |
228 | }, |
229 | { | |
230 | .name = "exec_prerun", | |
231 | .type = FIO_OPT_STR_STORE, | |
232 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 233 | .help = "Execute this file prior to running job", |
e1f36503 JA |
234 | }, |
235 | { | |
236 | .name = "exec_postrun", | |
237 | .type = FIO_OPT_STR_STORE, | |
238 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 239 | .help = "Execute this file after running job", |
e1f36503 JA |
240 | }, |
241 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
242 | { | |
243 | .name = "ioscheduler", | |
244 | .type = FIO_OPT_STR_STORE, | |
245 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 246 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
247 | }, |
248 | #endif | |
e1f36503 JA |
249 | { |
250 | .name = "zonesize", | |
251 | .type = FIO_OPT_STR_VAL, | |
252 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 253 | .help = "Give size of an IO zone", |
ee738499 | 254 | .def = "0", |
e1f36503 JA |
255 | }, |
256 | { | |
257 | .name = "zoneskip", | |
258 | .type = FIO_OPT_STR_VAL, | |
259 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 260 | .help = "Space between IO zones", |
ee738499 | 261 | .def = "0", |
e1f36503 JA |
262 | }, |
263 | { | |
264 | .name = "lockmem", | |
265 | .type = FIO_OPT_STR_VAL, | |
266 | .cb = str_lockmem_cb, | |
fd28ca49 | 267 | .help = "Lock down this amount of memory", |
ee738499 | 268 | .def = "0", |
e1f36503 | 269 | }, |
e1f36503 JA |
270 | { |
271 | .name = "rwmixcycle", | |
272 | .type = FIO_OPT_INT, | |
273 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
274 | .help = "Cycle period for mixed read/write workloads (msec)", |
275 | .def = "500", | |
e1f36503 JA |
276 | }, |
277 | { | |
278 | .name = "rwmixread", | |
279 | .type = FIO_OPT_INT, | |
280 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 281 | .maxval = 100, |
fd28ca49 | 282 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 283 | .def = "50", |
e1f36503 JA |
284 | }, |
285 | { | |
286 | .name = "rwmixwrite", | |
287 | .type = FIO_OPT_INT, | |
288 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 289 | .maxval = 100, |
fd28ca49 | 290 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 291 | .def = "50", |
e1f36503 JA |
292 | }, |
293 | { | |
294 | .name = "nice", | |
295 | .type = FIO_OPT_INT, | |
296 | .off1 = td_var_offset(nice), | |
fd28ca49 | 297 | .help = "Set job CPU nice value", |
15f7918f | 298 | .minval = -19, |
ee738499 JA |
299 | .maxval = 20, |
300 | .def = "0", | |
e1f36503 JA |
301 | }, |
302 | #ifdef FIO_HAVE_IOPRIO | |
303 | { | |
304 | .name = "prio", | |
305 | .type = FIO_OPT_INT, | |
306 | .cb = str_prio_cb, | |
fd28ca49 | 307 | .help = "Set job IO priority value", |
15f7918f JA |
308 | .minval = 0, |
309 | .maxval = 7, | |
e1f36503 JA |
310 | }, |
311 | { | |
312 | .name = "prioclass", | |
313 | .type = FIO_OPT_INT, | |
314 | .cb = str_prioclass_cb, | |
fd28ca49 | 315 | .help = "Set job IO priority class", |
15f7918f JA |
316 | .minval = 0, |
317 | .maxval = 3, | |
e1f36503 JA |
318 | }, |
319 | #endif | |
320 | { | |
321 | .name = "thinktime", | |
322 | .type = FIO_OPT_INT, | |
1304923a | 323 | .off1 = td_var_offset(thinktime), |
5fa0f817 | 324 | .help = "Idle time between IO buffers (usec)", |
ee738499 | 325 | .def = "0", |
e1f36503 | 326 | }, |
9c1f7434 JA |
327 | { |
328 | .name = "thinktime_blocks", | |
329 | .type = FIO_OPT_INT, | |
1304923a | 330 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 331 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 332 | .def = "1", |
9c1f7434 | 333 | }, |
e1f36503 JA |
334 | { |
335 | .name = "rate", | |
336 | .type = FIO_OPT_INT, | |
1304923a | 337 | .off1 = td_var_offset(rate), |
fd28ca49 | 338 | .help = "Set bandwidth rate", |
e1f36503 JA |
339 | }, |
340 | { | |
341 | .name = "ratemin", | |
342 | .type = FIO_OPT_INT, | |
1304923a | 343 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 344 | .help = "The bottom limit accepted", |
e1f36503 JA |
345 | }, |
346 | { | |
347 | .name = "ratecycle", | |
348 | .type = FIO_OPT_INT, | |
1304923a | 349 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 350 | .help = "Window average for rate limits (msec)", |
ee738499 | 351 | .def = "1000", |
e1f36503 | 352 | }, |
e1f36503 JA |
353 | { |
354 | .name = "invalidate", | |
13335ddb | 355 | .type = FIO_OPT_BOOL, |
1304923a | 356 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 357 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 358 | .def = "1", |
e1f36503 JA |
359 | }, |
360 | { | |
361 | .name = "sync", | |
13335ddb | 362 | .type = FIO_OPT_BOOL, |
1304923a | 363 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 364 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 365 | .def = "0", |
e1f36503 JA |
366 | }, |
367 | { | |
368 | .name = "bwavgtime", | |
369 | .type = FIO_OPT_INT, | |
1304923a | 370 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
371 | .help = "Time window over which to calculate bandwidth (msec)", |
372 | .def = "500", | |
e1f36503 JA |
373 | }, |
374 | { | |
375 | .name = "create_serialize", | |
13335ddb | 376 | .type = FIO_OPT_BOOL, |
1304923a | 377 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 378 | .help = "Serialize creating of job files", |
ee738499 | 379 | .def = "1", |
e1f36503 JA |
380 | }, |
381 | { | |
382 | .name = "create_fsync", | |
13335ddb | 383 | .type = FIO_OPT_BOOL, |
1304923a | 384 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 385 | .help = "Fsync file after creation", |
ee738499 | 386 | .def = "1", |
e1f36503 | 387 | }, |
e1f36503 JA |
388 | { |
389 | .name = "cpuload", | |
390 | .type = FIO_OPT_INT, | |
1304923a | 391 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 392 | .help = "Use this percentage of CPU", |
e1f36503 JA |
393 | }, |
394 | { | |
395 | .name = "cpuchunks", | |
396 | .type = FIO_OPT_INT, | |
1304923a | 397 | .off1 = td_var_offset(cpucycle), |
fd28ca49 | 398 | .help = "Length of the CPU burn cycles", |
e1f36503 | 399 | }, |
e1f36503 JA |
400 | #ifdef FIO_HAVE_CPU_AFFINITY |
401 | { | |
402 | .name = "cpumask", | |
403 | .type = FIO_OPT_INT, | |
404 | .cb = str_cpumask_cb, | |
fd28ca49 | 405 | .help = "CPU affinity mask", |
e1f36503 JA |
406 | }, |
407 | #endif | |
408 | { | |
409 | .name = "end_fsync", | |
13335ddb | 410 | .type = FIO_OPT_BOOL, |
1304923a | 411 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 412 | .help = "Include fsync at the end of job", |
ee738499 | 413 | .def = "0", |
e1f36503 JA |
414 | }, |
415 | { | |
416 | .name = "unlink", | |
13335ddb | 417 | .type = FIO_OPT_BOOL, |
e1f36503 | 418 | .off1 = td_var_offset(unlink), |
ee738499 | 419 | .help = "Unlink created files after job has completed", |
e545a6ce | 420 | .def = "0", |
e1f36503 JA |
421 | }, |
422 | { | |
423 | .name = "exitall", | |
424 | .type = FIO_OPT_STR_SET, | |
425 | .cb = str_exitall_cb, | |
fd28ca49 | 426 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
427 | }, |
428 | { | |
429 | .name = "stonewall", | |
430 | .type = FIO_OPT_STR_SET, | |
431 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 432 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
433 | }, |
434 | { | |
435 | .name = "thread", | |
436 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 437 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 438 | .help = "Use threads instead of forks", |
e1f36503 JA |
439 | }, |
440 | { | |
441 | .name = "write_bw_log", | |
442 | .type = FIO_OPT_STR_SET, | |
443 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 444 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
445 | }, |
446 | { | |
447 | .name = "write_lat_log", | |
448 | .type = FIO_OPT_STR_SET, | |
449 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 450 | .help = "Write log of latency during run", |
e1f36503 | 451 | }, |
56bb17f2 JA |
452 | { |
453 | .name = "hugepage-size", | |
454 | .type = FIO_OPT_STR_VAL, | |
455 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 456 | .help = "When using hugepages, specify size of each page", |
ee738499 | 457 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 458 | }, |
e1f36503 JA |
459 | { |
460 | .name = NULL, | |
461 | }, | |
462 | }; | |
463 | ||
b4692828 JA |
464 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
465 | #define FIO_CMD_OPTS (16) | |
466 | #define FIO_GETOPT_JOB (0x89988998) | |
467 | ||
468 | /* | |
469 | * Command line options. These will contain the above, plus a few | |
470 | * extra that only pertain to fio itself and not jobs. | |
471 | */ | |
472 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
473 | { | |
474 | .name = "output", | |
475 | .has_arg = required_argument, | |
476 | .val = 'o', | |
477 | }, | |
478 | { | |
479 | .name = "timeout", | |
480 | .has_arg = required_argument, | |
481 | .val = 't', | |
482 | }, | |
483 | { | |
484 | .name = "latency-log", | |
485 | .has_arg = required_argument, | |
486 | .val = 'l', | |
487 | }, | |
488 | { | |
489 | .name = "bandwidth-log", | |
490 | .has_arg = required_argument, | |
491 | .val = 'b', | |
492 | }, | |
493 | { | |
494 | .name = "minimal", | |
495 | .has_arg = optional_argument, | |
496 | .val = 'm', | |
497 | }, | |
498 | { | |
499 | .name = "version", | |
500 | .has_arg = no_argument, | |
501 | .val = 'v', | |
502 | }, | |
fd28ca49 JA |
503 | { |
504 | .name = "help", | |
505 | .has_arg = no_argument, | |
506 | .val = 'h', | |
507 | }, | |
508 | { | |
509 | .name = "cmdhelp", | |
510 | .has_arg = required_argument, | |
511 | .val = 'c', | |
512 | }, | |
b4692828 JA |
513 | { |
514 | .name = NULL, | |
515 | }, | |
516 | }; | |
517 | ||
ee738499 | 518 | static int def_timeout = 0; |
972cfd25 | 519 | |
5cd033bb | 520 | static char fio_version_string[] = "fio 1.11"; |
ebac4655 | 521 | |
972cfd25 | 522 | static char **ini_file; |
ebac4655 JA |
523 | static int max_jobs = MAX_JOBS; |
524 | ||
525 | struct thread_data def_thread; | |
526 | struct thread_data *threads = NULL; | |
527 | ||
ebac4655 | 528 | int exitall_on_terminate = 0; |
c6ae0a5b | 529 | int terse_output = 0; |
c04f7ec3 | 530 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
531 | FILE *f_out = NULL; |
532 | FILE *f_err = NULL; | |
ebac4655 | 533 | |
ee738499 | 534 | static int write_lat_log = 0; |
bb3884d8 | 535 | int write_bw_log = 0; |
ec94ec56 | 536 | |
906c8d75 JA |
537 | /* |
538 | * Return a free job structure. | |
539 | */ | |
ebac4655 JA |
540 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
541 | { | |
542 | struct thread_data *td; | |
543 | ||
544 | if (global) | |
545 | return &def_thread; | |
546 | if (thread_number >= max_jobs) | |
547 | return NULL; | |
548 | ||
549 | td = &threads[thread_number++]; | |
ddaeaa5a | 550 | *td = *parent; |
ebac4655 | 551 | |
ebac4655 | 552 | td->thread_number = thread_number; |
ebac4655 JA |
553 | return td; |
554 | } | |
555 | ||
556 | static void put_job(struct thread_data *td) | |
557 | { | |
549577a7 JA |
558 | if (td == &def_thread) |
559 | return; | |
560 | ||
ebac4655 JA |
561 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
562 | thread_number--; | |
563 | } | |
564 | ||
dad915e3 JA |
565 | /* |
566 | * Lazy way of fixing up options that depend on each other. We could also | |
567 | * define option callback handlers, but this is easier. | |
568 | */ | |
e1f36503 JA |
569 | static void fixup_options(struct thread_data *td) |
570 | { | |
e1f36503 JA |
571 | if (!td->rwmixread && td->rwmixwrite) |
572 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 573 | |
076efc7c JA |
574 | if (td->write_iolog_file && td->read_iolog_file) { |
575 | log_err("fio: read iolog overrides write_iolog\n"); | |
576 | free(td->write_iolog_file); | |
577 | td->write_iolog_file = NULL; | |
578 | } | |
16b462ae JA |
579 | |
580 | if (td->io_ops->flags & FIO_SYNCIO) | |
581 | td->iodepth = 1; | |
582 | else { | |
583 | if (!td->iodepth) | |
584 | td->iodepth = td->nr_files; | |
585 | } | |
586 | ||
587 | /* | |
588 | * only really works for sequential io for now, and with 1 file | |
589 | */ | |
590 | if (td->zone_size && !td->sequential && td->nr_files == 1) | |
591 | td->zone_size = 0; | |
592 | ||
593 | /* | |
594 | * Reads can do overwrites, we always need to pre-create the file | |
595 | */ | |
596 | if (td_read(td) || td_rw(td)) | |
597 | td->overwrite = 1; | |
598 | ||
a00735e6 JA |
599 | if (!td->min_bs[DDIR_READ]) |
600 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
601 | if (!td->max_bs[DDIR_READ]) | |
602 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
603 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 604 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 605 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 606 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
607 | |
608 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
609 | ||
16b462ae JA |
610 | if (td_read(td) && !td_rw(td)) |
611 | td->verify = 0; | |
bb8895e0 JA |
612 | |
613 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
614 | log_err("fio: norandommap given, verify disabled\n"); | |
615 | td->verify = VERIFY_NONE; | |
616 | } | |
690adba3 JA |
617 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
618 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
619 | |
620 | /* | |
621 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
622 | */ | |
623 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
624 | td->odirect = 0; | |
e1f36503 JA |
625 | } |
626 | ||
f8977ee6 JA |
627 | /* |
628 | * This function leaks the buffer | |
629 | */ | |
630 | static char *to_kmg(unsigned int val) | |
631 | { | |
632 | char *buf = malloc(32); | |
245142ff | 633 | char post[] = { 0, 'K', 'M', 'G', 'P', 0 }; |
f8977ee6 JA |
634 | char *p = post; |
635 | ||
245142ff | 636 | do { |
f8977ee6 JA |
637 | if (val & 1023) |
638 | break; | |
639 | ||
640 | val >>= 10; | |
641 | p++; | |
245142ff | 642 | } while (*p); |
f8977ee6 JA |
643 | |
644 | snprintf(buf, 31, "%u%c", val, *p); | |
645 | return buf; | |
646 | } | |
647 | ||
906c8d75 JA |
648 | /* |
649 | * Adds a job to the list of things todo. Sanitizes the various options | |
650 | * to make sure we don't have conflicts, and initializes various | |
651 | * members of td. | |
652 | */ | |
75154845 | 653 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 654 | { |
3c9b60c1 JA |
655 | const char *ddir_str[] = { "read", "write", "randread", "randwrite", |
656 | "rw", NULL, "randrw" }; | |
ebac4655 | 657 | struct stat sb; |
53cdc686 JA |
658 | int numjobs, ddir, i; |
659 | struct fio_file *f; | |
ebac4655 | 660 | |
ebac4655 JA |
661 | /* |
662 | * the def_thread is just for options, it's not a real job | |
663 | */ | |
664 | if (td == &def_thread) | |
665 | return 0; | |
666 | ||
ee738499 | 667 | assert(td->io_ops); |
df64119d | 668 | |
690adba3 JA |
669 | if (td->odirect) |
670 | td->io_ops->flags |= FIO_RAWIO; | |
671 | ||
ebac4655 | 672 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
673 | if (!stat(jobname, &sb)) { |
674 | if (S_ISBLK(sb.st_mode)) | |
675 | td->filetype = FIO_TYPE_BD; | |
676 | else if (S_ISCHR(sb.st_mode)) | |
677 | td->filetype = FIO_TYPE_CHAR; | |
678 | } | |
ebac4655 | 679 | |
e0a22335 JA |
680 | fixup_options(td); |
681 | ||
13f8e2d2 JA |
682 | if (td->filename) |
683 | td->nr_uniq_files = 1; | |
684 | else | |
685 | td->nr_uniq_files = td->nr_files; | |
686 | ||
687 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 688 | char tmp[PATH_MAX]; |
53cdc686 | 689 | int len = 0; |
e9c047a0 | 690 | |
ef899b63 | 691 | if (td->directory && td->directory[0] != '\0') |
8aeebd55 | 692 | len = sprintf(tmp, "%s/", td->directory); |
ebac4655 | 693 | |
53cdc686 JA |
694 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
695 | ||
696 | for_each_file(td, f, i) { | |
697 | memset(f, 0, sizeof(*f)); | |
698 | f->fd = -1; | |
699 | ||
13f8e2d2 JA |
700 | if (td->filename) |
701 | sprintf(tmp + len, "%s", td->filename); | |
702 | else | |
703 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
704 | f->file_name = strdup(tmp); |
705 | } | |
706 | } else { | |
707 | td->nr_files = 1; | |
708 | td->files = malloc(sizeof(struct fio_file)); | |
709 | f = &td->files[0]; | |
710 | ||
711 | memset(f, 0, sizeof(*f)); | |
712 | f->fd = -1; | |
713 | f->file_name = strdup(jobname); | |
714 | } | |
715 | ||
716 | for_each_file(td, f, i) { | |
717 | f->file_size = td->total_file_size / td->nr_files; | |
718 | f->file_offset = td->start_offset; | |
719 | } | |
720 | ||
bbfd6b00 | 721 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
722 | |
723 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
724 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
725 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
726 | ||
ebac4655 JA |
727 | if (td->stonewall && td->thread_number > 1) |
728 | groupid++; | |
729 | ||
730 | td->groupid = groupid; | |
731 | ||
732 | if (setup_rate(td)) | |
733 | goto err; | |
734 | ||
ec94ec56 | 735 | if (td->write_lat_log) { |
ebac4655 JA |
736 | setup_log(&td->slat_log); |
737 | setup_log(&td->clat_log); | |
738 | } | |
ec94ec56 | 739 | if (td->write_bw_log) |
ebac4655 JA |
740 | setup_log(&td->bw_log); |
741 | ||
b4692828 JA |
742 | if (!td->name) |
743 | td->name = strdup(jobname); | |
01452055 | 744 | |
3d60d1ed | 745 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 746 | |
c6ae0a5b | 747 | if (!terse_output) { |
b990b5c0 | 748 | if (!job_add_num) { |
2866c82d | 749 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 | 750 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
751 | else { |
752 | char *c1, *c2, *c3, *c4; | |
753 | ||
754 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
755 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
756 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
757 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
758 | ||
d56cbab0 | 759 | fprintf(f_out, "%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->name, td->groupid, ddir_str[ddir], c1, c2, c3, c4, td->io_ops->name, td->iodepth); |
f8977ee6 JA |
760 | |
761 | free(c1); | |
762 | free(c2); | |
763 | free(c3); | |
764 | free(c4); | |
765 | } | |
b990b5c0 | 766 | } else if (job_add_num == 1) |
c6ae0a5b JA |
767 | fprintf(f_out, "...\n"); |
768 | } | |
ebac4655 JA |
769 | |
770 | /* | |
771 | * recurse add identical jobs, clear numjobs and stonewall options | |
772 | * as they don't apply to sub-jobs | |
773 | */ | |
774 | numjobs = td->numjobs; | |
775 | while (--numjobs) { | |
776 | struct thread_data *td_new = get_new_job(0, td); | |
777 | ||
778 | if (!td_new) | |
779 | goto err; | |
780 | ||
781 | td_new->numjobs = 1; | |
782 | td_new->stonewall = 0; | |
75154845 | 783 | job_add_num = numjobs - 1; |
ebac4655 | 784 | |
75154845 | 785 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
786 | goto err; |
787 | } | |
788 | return 0; | |
789 | err: | |
790 | put_job(td); | |
791 | return -1; | |
792 | } | |
793 | ||
906c8d75 JA |
794 | /* |
795 | * Initialize the various random states we need (random io, block size ranges, | |
796 | * read/write mix, etc). | |
797 | */ | |
ebac4655 JA |
798 | int init_random_state(struct thread_data *td) |
799 | { | |
a6ccc7be | 800 | unsigned long seeds[4]; |
53cdc686 | 801 | int fd, num_maps, blocks, i; |
0ab8db89 | 802 | struct fio_file *f; |
ebac4655 | 803 | |
f48b467c JA |
804 | if (td->io_ops->flags & FIO_CPUIO) |
805 | return 0; | |
806 | ||
1ac267bb | 807 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
808 | if (fd == -1) { |
809 | td_verror(td, errno); | |
810 | return 1; | |
811 | } | |
812 | ||
a6ccc7be | 813 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
814 | td_verror(td, EIO); |
815 | close(fd); | |
816 | return 1; | |
817 | } | |
818 | ||
819 | close(fd); | |
820 | ||
6dfd46b9 JA |
821 | os_random_seed(seeds[0], &td->bsrange_state); |
822 | os_random_seed(seeds[1], &td->verify_state); | |
823 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
824 | |
825 | if (td->sequential) | |
826 | return 0; | |
827 | ||
9ebc27e1 | 828 | if (td->rand_repeatable) |
ee738499 | 829 | seeds[3] = FIO_RANDSEED; |
ebac4655 | 830 | |
bb8895e0 JA |
831 | if (!td->norandommap) { |
832 | for_each_file(td, f, i) { | |
a00735e6 | 833 | blocks = (f->file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 834 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
835 | f->file_map = malloc(num_maps * sizeof(long)); |
836 | f->num_maps = num_maps; | |
837 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
838 | } | |
53cdc686 | 839 | } |
ebac4655 | 840 | |
6dfd46b9 | 841 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
842 | return 0; |
843 | } | |
844 | ||
845 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
846 | { | |
847 | #ifdef FIO_HAVE_CPU_AFFINITY | |
848 | unsigned int i; | |
849 | ||
850 | CPU_ZERO(&cpumask); | |
851 | ||
852 | for (i = 0; i < sizeof(int) * 8; i++) { | |
853 | if ((1 << i) & cpu) | |
854 | CPU_SET(i, &cpumask); | |
855 | } | |
856 | #endif | |
857 | } | |
858 | ||
ebac4655 JA |
859 | static int is_empty_or_comment(char *line) |
860 | { | |
861 | unsigned int i; | |
862 | ||
863 | for (i = 0; i < strlen(line); i++) { | |
864 | if (line[i] == ';') | |
865 | return 1; | |
866 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
867 | return 0; | |
868 | } | |
869 | ||
870 | return 1; | |
871 | } | |
872 | ||
b4692828 | 873 | static int str_rw_cb(void *data, const char *mem) |
ebac4655 | 874 | { |
cb2c86fd JA |
875 | struct thread_data *td = data; |
876 | ||
ebac4655 JA |
877 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
878 | td->ddir = DDIR_READ; | |
879 | td->sequential = 1; | |
880 | return 0; | |
881 | } else if (!strncmp(mem, "randread", 8)) { | |
882 | td->ddir = DDIR_READ; | |
883 | td->sequential = 0; | |
884 | return 0; | |
885 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
886 | td->ddir = DDIR_WRITE; | |
887 | td->sequential = 1; | |
888 | return 0; | |
889 | } else if (!strncmp(mem, "randwrite", 9)) { | |
890 | td->ddir = DDIR_WRITE; | |
891 | td->sequential = 0; | |
892 | return 0; | |
3d60d1ed | 893 | } else if (!strncmp(mem, "rw", 2)) { |
1e97cce9 | 894 | td->ddir = DDIR_READ; |
3d60d1ed JA |
895 | td->iomix = 1; |
896 | td->sequential = 1; | |
897 | return 0; | |
898 | } else if (!strncmp(mem, "randrw", 6)) { | |
1e97cce9 | 899 | td->ddir = DDIR_READ; |
3d60d1ed JA |
900 | td->iomix = 1; |
901 | td->sequential = 0; | |
902 | return 0; | |
ebac4655 JA |
903 | } |
904 | ||
3b70d7e5 | 905 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
906 | return 1; |
907 | } | |
908 | ||
b4692828 | 909 | static int str_verify_cb(void *data, const char *mem) |
ebac4655 | 910 | { |
cb2c86fd JA |
911 | struct thread_data *td = data; |
912 | ||
ebac4655 JA |
913 | if (!strncmp(mem, "0", 1)) { |
914 | td->verify = VERIFY_NONE; | |
915 | return 0; | |
916 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
917 | td->verify = VERIFY_MD5; | |
918 | return 0; | |
919 | } else if (!strncmp(mem, "crc32", 5)) { | |
920 | td->verify = VERIFY_CRC32; | |
921 | return 0; | |
922 | } | |
923 | ||
3b70d7e5 | 924 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
925 | return 1; |
926 | } | |
927 | ||
313cb206 JA |
928 | /* |
929 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
930 | */ | |
931 | static char *get_mmap_file(const char *str) | |
932 | { | |
933 | char *p = strstr(str, ":"); | |
934 | ||
935 | if (!p) | |
936 | return NULL; | |
937 | ||
938 | p++; | |
939 | strip_blank_front(&p); | |
940 | strip_blank_end(p); | |
941 | return strdup(p); | |
942 | } | |
943 | ||
b4692828 | 944 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 945 | { |
cb2c86fd JA |
946 | struct thread_data *td = data; |
947 | ||
ebac4655 JA |
948 | if (!strncmp(mem, "malloc", 6)) { |
949 | td->mem_type = MEM_MALLOC; | |
950 | return 0; | |
d0bdaf49 JA |
951 | } else if (!strncmp(mem, "mmaphuge", 8)) { |
952 | #ifdef FIO_HAVE_HUGETLB | |
d0bdaf49 JA |
953 | /* |
954 | * mmaphuge must be appended with the actual file | |
955 | */ | |
313cb206 JA |
956 | td->mmapfile = get_mmap_file(mem); |
957 | if (!td->mmapfile) { | |
d0bdaf49 JA |
958 | log_err("fio: mmaphuge:/path/to/file\n"); |
959 | return 1; | |
960 | } | |
961 | ||
d0bdaf49 JA |
962 | td->mem_type = MEM_MMAPHUGE; |
963 | return 0; | |
964 | #else | |
965 | log_err("fio: mmaphuge not available\n"); | |
966 | return 1; | |
967 | #endif | |
ebac4655 | 968 | } else if (!strncmp(mem, "mmap", 4)) { |
313cb206 JA |
969 | /* |
970 | * Check if the user wants file backed memory. It's ok | |
971 | * if there's no file given, we'll just use anon mamp then. | |
972 | */ | |
973 | td->mmapfile = get_mmap_file(mem); | |
ebac4655 JA |
974 | td->mem_type = MEM_MMAP; |
975 | return 0; | |
74b025b0 JA |
976 | } else if (!strncmp(mem, "shmhuge", 7)) { |
977 | #ifdef FIO_HAVE_HUGETLB | |
978 | td->mem_type = MEM_SHMHUGE; | |
979 | return 0; | |
980 | #else | |
981 | log_err("fio: shmhuge not available\n"); | |
982 | return 1; | |
983 | #endif | |
0268b8ba JA |
984 | } else if (!strncmp(mem, "shm", 3)) { |
985 | td->mem_type = MEM_SHM; | |
986 | return 0; | |
ebac4655 JA |
987 | } |
988 | ||
d0bdaf49 | 989 | log_err("fio: mem type: malloc, shm, shmhuge, mmap, mmaphuge\n"); |
ebac4655 JA |
990 | return 1; |
991 | } | |
992 | ||
b4692828 | 993 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 994 | { |
cb2c86fd JA |
995 | struct thread_data *td = data; |
996 | ||
2866c82d JA |
997 | td->io_ops = load_ioengine(td, str); |
998 | if (td->io_ops) | |
b990b5c0 | 999 | return 0; |
ebac4655 | 1000 | |
08aae9a0 | 1001 | log_err("fio: ioengine= libaio, posixaio, sync, mmap, sgio, splice, cpu, null\n"); |
5f350952 | 1002 | log_err("fio: or specify path to dynamic ioengine module\n"); |
ebac4655 JA |
1003 | return 1; |
1004 | } | |
1005 | ||
e1f36503 JA |
1006 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
1007 | { | |
1008 | mlock_size = *val; | |
1009 | return 0; | |
1010 | } | |
1011 | ||
34cfcdaf | 1012 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1013 | static int str_prioclass_cb(void *data, unsigned int *val) |
1014 | { | |
1015 | struct thread_data *td = data; | |
1016 | ||
1017 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1018 | return 0; | |
1019 | } | |
1020 | ||
1021 | static int str_prio_cb(void *data, unsigned int *val) | |
1022 | { | |
1023 | struct thread_data *td = data; | |
1024 | ||
1025 | td->ioprio |= *val; | |
1026 | return 0; | |
1027 | } | |
34cfcdaf | 1028 | #endif |
e1f36503 JA |
1029 | |
1030 | static int str_exitall_cb(void) | |
1031 | { | |
1032 | exitall_on_terminate = 1; | |
1033 | return 0; | |
1034 | } | |
1035 | ||
1036 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1037 | { | |
1038 | struct thread_data *td = data; | |
1039 | ||
1040 | fill_cpu_mask(td->cpumask, *val); | |
1041 | return 0; | |
1042 | } | |
1043 | ||
07261983 JA |
1044 | /* |
1045 | * This is our [ini] type file parser. | |
1046 | */ | |
1e97cce9 | 1047 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1048 | { |
e1f36503 | 1049 | unsigned int global; |
ebac4655 | 1050 | struct thread_data *td; |
fee3bb48 | 1051 | char *string, *name; |
ebac4655 JA |
1052 | fpos_t off; |
1053 | FILE *f; | |
1054 | char *p; | |
0c7e37a0 | 1055 | int ret = 0, stonewall; |
ebac4655 JA |
1056 | |
1057 | f = fopen(file, "r"); | |
1058 | if (!f) { | |
aea47d44 | 1059 | perror("fopen job file"); |
ebac4655 JA |
1060 | return 1; |
1061 | } | |
1062 | ||
1063 | string = malloc(4096); | |
1064 | name = malloc(256); | |
fee3bb48 | 1065 | memset(name, 0, 256); |
ebac4655 | 1066 | |
0c7e37a0 | 1067 | stonewall = stonewall_flag; |
7c124ac1 JA |
1068 | do { |
1069 | p = fgets(string, 4095, f); | |
1070 | if (!p) | |
45410acb | 1071 | break; |
ebac4655 JA |
1072 | if (is_empty_or_comment(p)) |
1073 | continue; | |
fee3bb48 | 1074 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1075 | continue; |
1076 | ||
1077 | global = !strncmp(name, "global", 6); | |
1078 | ||
1079 | name[strlen(name) - 1] = '\0'; | |
1080 | ||
1081 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1082 | if (!td) { |
1083 | ret = 1; | |
1084 | break; | |
1085 | } | |
ebac4655 | 1086 | |
972cfd25 JA |
1087 | /* |
1088 | * Seperate multiple job files by a stonewall | |
1089 | */ | |
f9481919 | 1090 | if (!global && stonewall) { |
972cfd25 JA |
1091 | td->stonewall = stonewall; |
1092 | stonewall = 0; | |
1093 | } | |
1094 | ||
ebac4655 JA |
1095 | fgetpos(f, &off); |
1096 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1097 | if (is_empty_or_comment(p)) | |
1098 | continue; | |
e1f36503 | 1099 | |
b6754f9d | 1100 | strip_blank_front(&p); |
7c124ac1 JA |
1101 | |
1102 | if (p[0] == '[') | |
1103 | break; | |
1104 | ||
4ae3f763 | 1105 | strip_blank_end(p); |
aea47d44 | 1106 | |
e1f36503 | 1107 | fgetpos(f, &off); |
ebac4655 | 1108 | |
45410acb JA |
1109 | /* |
1110 | * Don't break here, continue parsing options so we | |
1111 | * dump all the bad ones. Makes trial/error fixups | |
1112 | * easier on the user. | |
1113 | */ | |
7c124ac1 | 1114 | ret |= parse_option(p, options, td); |
ebac4655 | 1115 | } |
ebac4655 | 1116 | |
45410acb JA |
1117 | if (!ret) { |
1118 | fsetpos(f, &off); | |
1119 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1120 | } else { |
1121 | log_err("fio: job %s dropped\n", name); | |
1122 | put_job(td); | |
45410acb | 1123 | } |
7c124ac1 | 1124 | } while (!ret); |
ebac4655 JA |
1125 | |
1126 | free(string); | |
1127 | free(name); | |
1128 | fclose(f); | |
45410acb | 1129 | return ret; |
ebac4655 JA |
1130 | } |
1131 | ||
1132 | static int fill_def_thread(void) | |
1133 | { | |
1134 | memset(&def_thread, 0, sizeof(def_thread)); | |
1135 | ||
1136 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1137 | perror("sched_getaffinity"); | |
1138 | return 1; | |
1139 | } | |
1140 | ||
1141 | /* | |
ee738499 | 1142 | * fill default options |
ebac4655 | 1143 | */ |
ee738499 JA |
1144 | fill_default_options(&def_thread, options); |
1145 | ||
972cfd25 | 1146 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1147 | def_thread.write_bw_log = write_bw_log; |
1148 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1149 | |
ebac4655 JA |
1150 | #ifdef FIO_HAVE_DISK_UTIL |
1151 | def_thread.do_disk_util = 1; | |
1152 | #endif | |
1153 | ||
1154 | return 0; | |
1155 | } | |
1156 | ||
0ab8db89 | 1157 | static void usage(void) |
4785f995 JA |
1158 | { |
1159 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1160 | printf("\t--output\tWrite output to file\n"); |
1161 | printf("\t--timeout\tRuntime in seconds\n"); | |
1162 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1163 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1164 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1165 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1166 | printf("\t--help\t\tPrint this page\n"); |
1167 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1168 | } |
1169 | ||
972cfd25 | 1170 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1171 | { |
b4692828 | 1172 | struct thread_data *td = NULL; |
c2b1e753 | 1173 | int c, ini_idx = 0, lidx, ret; |
ebac4655 | 1174 | |
b4692828 | 1175 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1176 | switch (c) { |
b4692828 JA |
1177 | case 't': |
1178 | def_timeout = atoi(optarg); | |
1179 | break; | |
1180 | case 'l': | |
1181 | write_lat_log = 1; | |
1182 | break; | |
1183 | case 'w': | |
1184 | write_bw_log = 1; | |
1185 | break; | |
1186 | case 'o': | |
1187 | f_out = fopen(optarg, "w+"); | |
1188 | if (!f_out) { | |
1189 | perror("fopen output"); | |
1190 | exit(1); | |
1191 | } | |
1192 | f_err = f_out; | |
1193 | break; | |
1194 | case 'm': | |
1195 | terse_output = 1; | |
1196 | break; | |
1197 | case 'h': | |
1198 | usage(); | |
1199 | exit(0); | |
fd28ca49 | 1200 | case 'c': |
29fc6afe JA |
1201 | ret = show_cmd_help(options, optarg); |
1202 | exit(ret); | |
b4692828 JA |
1203 | case 'v': |
1204 | printf("%s\n", fio_version_string); | |
1205 | exit(0); | |
1206 | case FIO_GETOPT_JOB: { | |
1207 | const char *opt = long_options[lidx].name; | |
1208 | char *val = optarg; | |
1209 | ||
c2b1e753 JA |
1210 | if (!strncmp(opt, "name", 4) && td) { |
1211 | ret = add_job(td, td->name ?: "fio", 0); | |
1212 | if (ret) { | |
1213 | put_job(td); | |
1214 | return 0; | |
1215 | } | |
1216 | td = NULL; | |
1217 | } | |
b4692828 | 1218 | if (!td) { |
38d0adb0 | 1219 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1220 | |
1221 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1222 | if (!td) |
1223 | return 0; | |
1224 | } | |
38d0adb0 | 1225 | |
b1508cf9 JA |
1226 | ret = parse_cmd_option(opt, val, options, td); |
1227 | if (ret) { | |
1228 | log_err("fio: job dropped\n"); | |
1229 | put_job(td); | |
1230 | td = NULL; | |
1231 | } | |
b4692828 JA |
1232 | break; |
1233 | } | |
1234 | default: | |
b4692828 | 1235 | break; |
ebac4655 JA |
1236 | } |
1237 | } | |
c9fad893 | 1238 | |
b4692828 | 1239 | if (td) { |
c2b1e753 | 1240 | ret = add_job(td, td->name ?: "fio", 0); |
b4692828 JA |
1241 | if (ret) |
1242 | put_job(td); | |
972cfd25 | 1243 | } |
774a6177 | 1244 | |
b4692828 JA |
1245 | while (optind < argc) { |
1246 | ini_idx++; | |
1247 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1248 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1249 | optind++; | |
eb8bbf48 | 1250 | } |
972cfd25 JA |
1251 | |
1252 | return ini_idx; | |
ebac4655 JA |
1253 | } |
1254 | ||
1255 | static void free_shm(void) | |
1256 | { | |
1257 | struct shmid_ds sbuf; | |
1258 | ||
1259 | if (threads) { | |
2c0ecd28 | 1260 | shmdt((void *) threads); |
ebac4655 JA |
1261 | threads = NULL; |
1262 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1263 | } | |
1264 | } | |
1265 | ||
906c8d75 JA |
1266 | /* |
1267 | * The thread area is shared between the main process and the job | |
1268 | * threads/processes. So setup a shared memory segment that will hold | |
1269 | * all the job info. | |
1270 | */ | |
ebac4655 JA |
1271 | static int setup_thread_area(void) |
1272 | { | |
1273 | /* | |
1274 | * 1024 is too much on some machines, scale max_jobs if | |
1275 | * we get a failure that looks like too large a shm segment | |
1276 | */ | |
1277 | do { | |
906c8d75 | 1278 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1279 | |
906c8d75 | 1280 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1281 | if (shm_id != -1) |
1282 | break; | |
1283 | if (errno != EINVAL) { | |
1284 | perror("shmget"); | |
1285 | break; | |
1286 | } | |
1287 | ||
1288 | max_jobs >>= 1; | |
1289 | } while (max_jobs); | |
1290 | ||
1291 | if (shm_id == -1) | |
1292 | return 1; | |
1293 | ||
1294 | threads = shmat(shm_id, NULL, 0); | |
1295 | if (threads == (void *) -1) { | |
1296 | perror("shmat"); | |
1297 | return 1; | |
1298 | } | |
1299 | ||
1300 | atexit(free_shm); | |
1301 | return 0; | |
1302 | } | |
1303 | ||
b4692828 JA |
1304 | /* |
1305 | * Copy the fio options into the long options map, so we mirror | |
1306 | * job and cmd line options. | |
1307 | */ | |
1308 | static void dupe_job_options(void) | |
1309 | { | |
1310 | struct fio_option *o; | |
1311 | unsigned int i; | |
1312 | ||
1313 | i = 0; | |
1314 | while (long_options[i].name) | |
1315 | i++; | |
1316 | ||
1317 | o = &options[0]; | |
1318 | while (o->name) { | |
1319 | long_options[i].name = o->name; | |
1320 | long_options[i].val = FIO_GETOPT_JOB; | |
1321 | if (o->type == FIO_OPT_STR_SET) | |
1322 | long_options[i].has_arg = no_argument; | |
1323 | else | |
1324 | long_options[i].has_arg = required_argument; | |
1325 | ||
1326 | i++; | |
1327 | o++; | |
1328 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1329 | } | |
1330 | } | |
1331 | ||
ebac4655 JA |
1332 | int parse_options(int argc, char *argv[]) |
1333 | { | |
972cfd25 JA |
1334 | int job_files, i; |
1335 | ||
b4692828 JA |
1336 | f_out = stdout; |
1337 | f_err = stderr; | |
1338 | ||
13335ddb JA |
1339 | options_init(options); |
1340 | ||
b4692828 JA |
1341 | dupe_job_options(); |
1342 | ||
ebac4655 JA |
1343 | if (setup_thread_area()) |
1344 | return 1; | |
1345 | if (fill_def_thread()) | |
1346 | return 1; | |
1347 | ||
972cfd25 | 1348 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1349 | |
972cfd25 JA |
1350 | for (i = 0; i < job_files; i++) { |
1351 | if (fill_def_thread()) | |
1352 | return 1; | |
0c7e37a0 | 1353 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1354 | return 1; |
88c6ed80 | 1355 | free(ini_file[i]); |
972cfd25 | 1356 | } |
ebac4655 | 1357 | |
88c6ed80 | 1358 | free(ini_file); |
b4692828 JA |
1359 | |
1360 | if (!thread_number) { | |
1361 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1362 | return 1; |
1363 | } | |
1364 | ||
ebac4655 JA |
1365 | return 0; |
1366 | } |