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[] = { | |
61697c37 JA |
44 | { |
45 | .name = "description", | |
46 | .type = FIO_OPT_STR_STORE, | |
47 | .off1 = td_var_offset(description), | |
48 | .help = "Text job description", | |
49 | }, | |
e1f36503 JA |
50 | { |
51 | .name = "name", | |
52 | .type = FIO_OPT_STR_STORE, | |
53 | .off1 = td_var_offset(name), | |
fd28ca49 | 54 | .help = "Name of this job", |
e1f36503 JA |
55 | }, |
56 | { | |
57 | .name = "directory", | |
58 | .type = FIO_OPT_STR_STORE, | |
59 | .off1 = td_var_offset(directory), | |
fd28ca49 | 60 | .help = "Directory to store files in", |
e1f36503 JA |
61 | }, |
62 | { | |
63 | .name = "filename", | |
64 | .type = FIO_OPT_STR_STORE, | |
65 | .off1 = td_var_offset(filename), | |
fd28ca49 | 66 | .help = "Force the use of a specific file", |
e1f36503 JA |
67 | }, |
68 | { | |
69 | .name = "rw", | |
70 | .type = FIO_OPT_STR, | |
71 | .cb = str_rw_cb, | |
15f7918f | 72 | .help = "IO direction", |
ee738499 | 73 | .def = "read", |
15f7918f JA |
74 | .posval = { "read", "write", "randwrite", "randread", "rw", |
75 | "randrw", }, | |
e1f36503 JA |
76 | }, |
77 | { | |
78 | .name = "ioengine", | |
79 | .type = FIO_OPT_STR, | |
80 | .cb = str_ioengine_cb, | |
15f7918f | 81 | .help = "IO engine to use", |
ee738499 | 82 | .def = "sync", |
15f7918f | 83 | .posval = { "sync", "libaio", "posixaio", "mmap", "splice", |
a4f4fdd7 | 84 | "sg", "null", "net", "syslet-rw" }, |
e1f36503 | 85 | }, |
03b74b3e JA |
86 | { |
87 | .name = "iodepth", | |
88 | .type = FIO_OPT_INT, | |
89 | .off1 = td_var_offset(iodepth), | |
90 | .help = "Amount of IO buffers to keep in flight", | |
91 | .def = "1", | |
92 | }, | |
e916b390 JA |
93 | { |
94 | .name = "iodepth_low", | |
95 | .type = FIO_OPT_INT, | |
96 | .off1 = td_var_offset(iodepth_low), | |
97 | .help = "Low water mark for queuing depth", | |
98 | }, | |
03b74b3e JA |
99 | { |
100 | .name = "size", | |
101 | .type = FIO_OPT_STR_VAL, | |
102 | .off1 = td_var_offset(total_file_size), | |
103 | .help = "Size of device or file", | |
104 | }, | |
105 | { | |
106 | .name = "bs", | |
107 | .type = FIO_OPT_STR_VAL_INT, | |
108 | .off1 = td_var_offset(bs[DDIR_READ]), | |
109 | .off2 = td_var_offset(bs[DDIR_WRITE]), | |
110 | .help = "Block size unit", | |
111 | .def = "4k", | |
112 | }, | |
113 | { | |
114 | .name = "bsrange", | |
115 | .type = FIO_OPT_RANGE, | |
116 | .off1 = td_var_offset(min_bs[DDIR_READ]), | |
117 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
118 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), | |
119 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
120 | .help = "Set block size range (in more detail than bs)", | |
121 | }, | |
122 | { | |
123 | .name = "bs_unaligned", | |
124 | .type = FIO_OPT_STR_SET, | |
125 | .off1 = td_var_offset(bs_unaligned), | |
126 | .help = "Don't sector align IO buffer sizes", | |
127 | }, | |
128 | { | |
129 | .name = "offset", | |
130 | .type = FIO_OPT_STR_VAL, | |
131 | .off1 = td_var_offset(start_offset), | |
132 | .help = "Start IO from this offset", | |
133 | .def = "0", | |
134 | }, | |
135 | { | |
136 | .name = "randrepeat", | |
137 | .type = FIO_OPT_BOOL, | |
138 | .off1 = td_var_offset(rand_repeatable), | |
139 | .help = "Use repeatable random IO pattern", | |
140 | .def = "1", | |
141 | }, | |
142 | { | |
143 | .name = "norandommap", | |
144 | .type = FIO_OPT_STR_SET, | |
145 | .off1 = td_var_offset(norandommap), | |
146 | .help = "Accept potential duplicate random blocks", | |
147 | }, | |
148 | { | |
149 | .name = "nrfiles", | |
150 | .type = FIO_OPT_INT, | |
151 | .off1 = td_var_offset(nr_files), | |
152 | .help = "Split job workload between this number of files", | |
153 | .def = "1", | |
154 | }, | |
155 | { | |
156 | .name = "fsync", | |
157 | .type = FIO_OPT_INT, | |
158 | .off1 = td_var_offset(fsync_blocks), | |
159 | .help = "Issue fsync for writes every given number of blocks", | |
160 | .def = "0", | |
161 | }, | |
162 | { | |
163 | .name = "direct", | |
164 | .type = FIO_OPT_BOOL, | |
165 | .off1 = td_var_offset(odirect), | |
76a43db4 JA |
166 | .help = "Use O_DIRECT IO (negates buffered)", |
167 | .def = "0", | |
168 | }, | |
169 | { | |
170 | .name = "buffered", | |
171 | .type = FIO_OPT_BOOL, | |
172 | .off1 = td_var_offset(odirect), | |
173 | .neg = 1, | |
174 | .help = "Use buffered IO (negates direct)", | |
03b74b3e JA |
175 | .def = "1", |
176 | }, | |
177 | { | |
178 | .name = "overwrite", | |
179 | .type = FIO_OPT_BOOL, | |
180 | .off1 = td_var_offset(overwrite), | |
181 | .help = "When writing, set whether to overwrite current data", | |
182 | .def = "0", | |
183 | }, | |
184 | { | |
185 | .name = "loops", | |
186 | .type = FIO_OPT_INT, | |
187 | .off1 = td_var_offset(loops), | |
188 | .help = "Number of times to run the job", | |
189 | .def = "1", | |
190 | }, | |
191 | { | |
192 | .name = "numjobs", | |
193 | .type = FIO_OPT_INT, | |
194 | .off1 = td_var_offset(numjobs), | |
195 | .help = "Duplicate this job this many times", | |
196 | .def = "1", | |
197 | }, | |
198 | { | |
199 | .name = "startdelay", | |
200 | .type = FIO_OPT_INT, | |
201 | .off1 = td_var_offset(start_delay), | |
202 | .help = "Only start job when this period has passed", | |
203 | .def = "0", | |
204 | }, | |
205 | { | |
206 | .name = "runtime", | |
207 | .alias = "timeout", | |
208 | .type = FIO_OPT_STR_VAL_TIME, | |
209 | .off1 = td_var_offset(timeout), | |
210 | .help = "Stop workload when this amount of time has passed", | |
211 | .def = "0", | |
212 | }, | |
e1f36503 JA |
213 | { |
214 | .name = "mem", | |
215 | .type = FIO_OPT_STR, | |
216 | .cb = str_mem_cb, | |
15f7918f | 217 | .help = "Backing type for IO buffers", |
ee738499 | 218 | .def = "malloc", |
15f7918f | 219 | .posval = { "malloc", "shm", "shmhuge", "mmap", "mmaphuge", }, |
e1f36503 JA |
220 | }, |
221 | { | |
222 | .name = "verify", | |
223 | .type = FIO_OPT_STR, | |
224 | .cb = str_verify_cb, | |
15f7918f | 225 | .help = "Verify sum function", |
ee738499 | 226 | .def = "0", |
15f7918f | 227 | .posval = { "crc32", "md5", }, |
e1f36503 JA |
228 | }, |
229 | { | |
230 | .name = "write_iolog", | |
076efc7c JA |
231 | .type = FIO_OPT_STR_STORE, |
232 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 233 | .help = "Store IO pattern to file", |
e1f36503 JA |
234 | }, |
235 | { | |
076efc7c | 236 | .name = "read_iolog", |
e1f36503 | 237 | .type = FIO_OPT_STR_STORE, |
076efc7c | 238 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 239 | .help = "Playback IO pattern from file", |
e1f36503 JA |
240 | }, |
241 | { | |
242 | .name = "exec_prerun", | |
243 | .type = FIO_OPT_STR_STORE, | |
244 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 245 | .help = "Execute this file prior to running job", |
e1f36503 JA |
246 | }, |
247 | { | |
248 | .name = "exec_postrun", | |
249 | .type = FIO_OPT_STR_STORE, | |
250 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 251 | .help = "Execute this file after running job", |
e1f36503 JA |
252 | }, |
253 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
254 | { | |
255 | .name = "ioscheduler", | |
256 | .type = FIO_OPT_STR_STORE, | |
257 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 258 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
259 | }, |
260 | #endif | |
e1f36503 JA |
261 | { |
262 | .name = "zonesize", | |
263 | .type = FIO_OPT_STR_VAL, | |
264 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 265 | .help = "Give size of an IO zone", |
ee738499 | 266 | .def = "0", |
e1f36503 JA |
267 | }, |
268 | { | |
269 | .name = "zoneskip", | |
270 | .type = FIO_OPT_STR_VAL, | |
271 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 272 | .help = "Space between IO zones", |
ee738499 | 273 | .def = "0", |
e1f36503 JA |
274 | }, |
275 | { | |
276 | .name = "lockmem", | |
277 | .type = FIO_OPT_STR_VAL, | |
278 | .cb = str_lockmem_cb, | |
fd28ca49 | 279 | .help = "Lock down this amount of memory", |
ee738499 | 280 | .def = "0", |
e1f36503 | 281 | }, |
e1f36503 JA |
282 | { |
283 | .name = "rwmixcycle", | |
284 | .type = FIO_OPT_INT, | |
285 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
286 | .help = "Cycle period for mixed read/write workloads (msec)", |
287 | .def = "500", | |
e1f36503 JA |
288 | }, |
289 | { | |
290 | .name = "rwmixread", | |
291 | .type = FIO_OPT_INT, | |
292 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 293 | .maxval = 100, |
fd28ca49 | 294 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 295 | .def = "50", |
e1f36503 JA |
296 | }, |
297 | { | |
298 | .name = "rwmixwrite", | |
299 | .type = FIO_OPT_INT, | |
300 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 301 | .maxval = 100, |
fd28ca49 | 302 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 303 | .def = "50", |
e1f36503 JA |
304 | }, |
305 | { | |
306 | .name = "nice", | |
307 | .type = FIO_OPT_INT, | |
308 | .off1 = td_var_offset(nice), | |
fd28ca49 | 309 | .help = "Set job CPU nice value", |
15f7918f | 310 | .minval = -19, |
ee738499 JA |
311 | .maxval = 20, |
312 | .def = "0", | |
e1f36503 JA |
313 | }, |
314 | #ifdef FIO_HAVE_IOPRIO | |
315 | { | |
316 | .name = "prio", | |
317 | .type = FIO_OPT_INT, | |
318 | .cb = str_prio_cb, | |
fd28ca49 | 319 | .help = "Set job IO priority value", |
15f7918f JA |
320 | .minval = 0, |
321 | .maxval = 7, | |
e1f36503 JA |
322 | }, |
323 | { | |
324 | .name = "prioclass", | |
325 | .type = FIO_OPT_INT, | |
326 | .cb = str_prioclass_cb, | |
fd28ca49 | 327 | .help = "Set job IO priority class", |
15f7918f JA |
328 | .minval = 0, |
329 | .maxval = 3, | |
e1f36503 JA |
330 | }, |
331 | #endif | |
332 | { | |
333 | .name = "thinktime", | |
334 | .type = FIO_OPT_INT, | |
1304923a | 335 | .off1 = td_var_offset(thinktime), |
5fa0f817 | 336 | .help = "Idle time between IO buffers (usec)", |
ee738499 | 337 | .def = "0", |
e1f36503 | 338 | }, |
48097d5c JA |
339 | { |
340 | .name = "thinktime_spin", | |
341 | .type = FIO_OPT_INT, | |
342 | .off1 = td_var_offset(thinktime_spin), | |
343 | .help = "Start thinktime by spinning this amount (usec)", | |
344 | .def = "0", | |
345 | }, | |
9c1f7434 JA |
346 | { |
347 | .name = "thinktime_blocks", | |
348 | .type = FIO_OPT_INT, | |
1304923a | 349 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 350 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 351 | .def = "1", |
9c1f7434 | 352 | }, |
e1f36503 JA |
353 | { |
354 | .name = "rate", | |
355 | .type = FIO_OPT_INT, | |
1304923a | 356 | .off1 = td_var_offset(rate), |
fd28ca49 | 357 | .help = "Set bandwidth rate", |
e1f36503 JA |
358 | }, |
359 | { | |
360 | .name = "ratemin", | |
361 | .type = FIO_OPT_INT, | |
1304923a | 362 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 363 | .help = "The bottom limit accepted", |
e1f36503 JA |
364 | }, |
365 | { | |
366 | .name = "ratecycle", | |
367 | .type = FIO_OPT_INT, | |
1304923a | 368 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 369 | .help = "Window average for rate limits (msec)", |
ee738499 | 370 | .def = "1000", |
e1f36503 | 371 | }, |
e1f36503 JA |
372 | { |
373 | .name = "invalidate", | |
13335ddb | 374 | .type = FIO_OPT_BOOL, |
1304923a | 375 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 376 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 377 | .def = "1", |
e1f36503 JA |
378 | }, |
379 | { | |
380 | .name = "sync", | |
13335ddb | 381 | .type = FIO_OPT_BOOL, |
1304923a | 382 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 383 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 384 | .def = "0", |
e1f36503 JA |
385 | }, |
386 | { | |
387 | .name = "bwavgtime", | |
388 | .type = FIO_OPT_INT, | |
1304923a | 389 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
390 | .help = "Time window over which to calculate bandwidth (msec)", |
391 | .def = "500", | |
e1f36503 JA |
392 | }, |
393 | { | |
394 | .name = "create_serialize", | |
13335ddb | 395 | .type = FIO_OPT_BOOL, |
1304923a | 396 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 397 | .help = "Serialize creating of job files", |
ee738499 | 398 | .def = "1", |
e1f36503 JA |
399 | }, |
400 | { | |
401 | .name = "create_fsync", | |
13335ddb | 402 | .type = FIO_OPT_BOOL, |
1304923a | 403 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 404 | .help = "Fsync file after creation", |
ee738499 | 405 | .def = "1", |
e1f36503 | 406 | }, |
e1f36503 JA |
407 | { |
408 | .name = "cpuload", | |
409 | .type = FIO_OPT_INT, | |
1304923a | 410 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 411 | .help = "Use this percentage of CPU", |
e1f36503 JA |
412 | }, |
413 | { | |
414 | .name = "cpuchunks", | |
415 | .type = FIO_OPT_INT, | |
1304923a | 416 | .off1 = td_var_offset(cpucycle), |
fd28ca49 | 417 | .help = "Length of the CPU burn cycles", |
e1f36503 | 418 | }, |
e1f36503 JA |
419 | #ifdef FIO_HAVE_CPU_AFFINITY |
420 | { | |
421 | .name = "cpumask", | |
422 | .type = FIO_OPT_INT, | |
423 | .cb = str_cpumask_cb, | |
fd28ca49 | 424 | .help = "CPU affinity mask", |
e1f36503 JA |
425 | }, |
426 | #endif | |
427 | { | |
428 | .name = "end_fsync", | |
13335ddb | 429 | .type = FIO_OPT_BOOL, |
1304923a | 430 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 431 | .help = "Include fsync at the end of job", |
ee738499 | 432 | .def = "0", |
e1f36503 JA |
433 | }, |
434 | { | |
435 | .name = "unlink", | |
13335ddb | 436 | .type = FIO_OPT_BOOL, |
e1f36503 | 437 | .off1 = td_var_offset(unlink), |
ee738499 | 438 | .help = "Unlink created files after job has completed", |
e545a6ce | 439 | .def = "0", |
e1f36503 JA |
440 | }, |
441 | { | |
442 | .name = "exitall", | |
443 | .type = FIO_OPT_STR_SET, | |
444 | .cb = str_exitall_cb, | |
fd28ca49 | 445 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
446 | }, |
447 | { | |
448 | .name = "stonewall", | |
449 | .type = FIO_OPT_STR_SET, | |
450 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 451 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
452 | }, |
453 | { | |
454 | .name = "thread", | |
455 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 456 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 457 | .help = "Use threads instead of forks", |
e1f36503 JA |
458 | }, |
459 | { | |
460 | .name = "write_bw_log", | |
461 | .type = FIO_OPT_STR_SET, | |
462 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 463 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
464 | }, |
465 | { | |
466 | .name = "write_lat_log", | |
467 | .type = FIO_OPT_STR_SET, | |
468 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 469 | .help = "Write log of latency during run", |
e1f36503 | 470 | }, |
56bb17f2 JA |
471 | { |
472 | .name = "hugepage-size", | |
473 | .type = FIO_OPT_STR_VAL, | |
474 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 475 | .help = "When using hugepages, specify size of each page", |
ee738499 | 476 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 477 | }, |
e1f36503 JA |
478 | { |
479 | .name = NULL, | |
480 | }, | |
481 | }; | |
482 | ||
b4692828 JA |
483 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
484 | #define FIO_CMD_OPTS (16) | |
485 | #define FIO_GETOPT_JOB (0x89988998) | |
486 | ||
487 | /* | |
488 | * Command line options. These will contain the above, plus a few | |
489 | * extra that only pertain to fio itself and not jobs. | |
490 | */ | |
491 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
492 | { | |
493 | .name = "output", | |
494 | .has_arg = required_argument, | |
495 | .val = 'o', | |
496 | }, | |
497 | { | |
498 | .name = "timeout", | |
499 | .has_arg = required_argument, | |
500 | .val = 't', | |
501 | }, | |
502 | { | |
503 | .name = "latency-log", | |
504 | .has_arg = required_argument, | |
505 | .val = 'l', | |
506 | }, | |
507 | { | |
508 | .name = "bandwidth-log", | |
509 | .has_arg = required_argument, | |
510 | .val = 'b', | |
511 | }, | |
512 | { | |
513 | .name = "minimal", | |
514 | .has_arg = optional_argument, | |
515 | .val = 'm', | |
516 | }, | |
517 | { | |
518 | .name = "version", | |
519 | .has_arg = no_argument, | |
520 | .val = 'v', | |
521 | }, | |
fd28ca49 JA |
522 | { |
523 | .name = "help", | |
524 | .has_arg = no_argument, | |
525 | .val = 'h', | |
526 | }, | |
527 | { | |
528 | .name = "cmdhelp", | |
529 | .has_arg = required_argument, | |
530 | .val = 'c', | |
531 | }, | |
b4692828 JA |
532 | { |
533 | .name = NULL, | |
534 | }, | |
535 | }; | |
536 | ||
ee738499 | 537 | static int def_timeout = 0; |
972cfd25 | 538 | |
5cd033bb | 539 | static char fio_version_string[] = "fio 1.11"; |
ebac4655 | 540 | |
972cfd25 | 541 | static char **ini_file; |
ebac4655 JA |
542 | static int max_jobs = MAX_JOBS; |
543 | ||
544 | struct thread_data def_thread; | |
545 | struct thread_data *threads = NULL; | |
546 | ||
ebac4655 | 547 | int exitall_on_terminate = 0; |
c6ae0a5b | 548 | int terse_output = 0; |
c04f7ec3 | 549 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
550 | FILE *f_out = NULL; |
551 | FILE *f_err = NULL; | |
ebac4655 | 552 | |
ee738499 | 553 | static int write_lat_log = 0; |
bb3884d8 | 554 | int write_bw_log = 0; |
ec94ec56 | 555 | |
906c8d75 JA |
556 | /* |
557 | * Return a free job structure. | |
558 | */ | |
ebac4655 JA |
559 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
560 | { | |
561 | struct thread_data *td; | |
562 | ||
563 | if (global) | |
564 | return &def_thread; | |
565 | if (thread_number >= max_jobs) | |
566 | return NULL; | |
567 | ||
568 | td = &threads[thread_number++]; | |
ddaeaa5a | 569 | *td = *parent; |
ebac4655 | 570 | |
ebac4655 | 571 | td->thread_number = thread_number; |
ebac4655 JA |
572 | return td; |
573 | } | |
574 | ||
575 | static void put_job(struct thread_data *td) | |
576 | { | |
549577a7 JA |
577 | if (td == &def_thread) |
578 | return; | |
579 | ||
16edf25d JA |
580 | if (td->error) |
581 | fprintf(f_out, "fio: %s\n", td->verror); | |
582 | ||
ebac4655 JA |
583 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
584 | thread_number--; | |
585 | } | |
586 | ||
dad915e3 JA |
587 | /* |
588 | * Lazy way of fixing up options that depend on each other. We could also | |
589 | * define option callback handlers, but this is easier. | |
590 | */ | |
e1f36503 JA |
591 | static void fixup_options(struct thread_data *td) |
592 | { | |
e1f36503 JA |
593 | if (!td->rwmixread && td->rwmixwrite) |
594 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 595 | |
076efc7c JA |
596 | if (td->write_iolog_file && td->read_iolog_file) { |
597 | log_err("fio: read iolog overrides write_iolog\n"); | |
598 | free(td->write_iolog_file); | |
599 | td->write_iolog_file = NULL; | |
600 | } | |
16b462ae JA |
601 | |
602 | if (td->io_ops->flags & FIO_SYNCIO) | |
603 | td->iodepth = 1; | |
604 | else { | |
605 | if (!td->iodepth) | |
606 | td->iodepth = td->nr_files; | |
607 | } | |
608 | ||
609 | /* | |
610 | * only really works for sequential io for now, and with 1 file | |
611 | */ | |
612 | if (td->zone_size && !td->sequential && td->nr_files == 1) | |
613 | td->zone_size = 0; | |
614 | ||
615 | /* | |
616 | * Reads can do overwrites, we always need to pre-create the file | |
617 | */ | |
618 | if (td_read(td) || td_rw(td)) | |
619 | td->overwrite = 1; | |
620 | ||
a00735e6 JA |
621 | if (!td->min_bs[DDIR_READ]) |
622 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
623 | if (!td->max_bs[DDIR_READ]) | |
624 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
625 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 626 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 627 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 628 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
629 | |
630 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
631 | ||
16b462ae JA |
632 | if (td_read(td) && !td_rw(td)) |
633 | td->verify = 0; | |
bb8895e0 JA |
634 | |
635 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
636 | log_err("fio: norandommap given, verify disabled\n"); | |
637 | td->verify = VERIFY_NONE; | |
638 | } | |
690adba3 JA |
639 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
640 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
641 | |
642 | /* | |
643 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
644 | */ | |
645 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
646 | td->odirect = 0; | |
48097d5c JA |
647 | |
648 | /* | |
649 | * thinktime_spin must be less than thinktime | |
650 | */ | |
651 | if (td->thinktime_spin > td->thinktime) | |
652 | td->thinktime_spin = td->thinktime; | |
e916b390 JA |
653 | |
654 | /* | |
655 | * The low water mark cannot be bigger than the iodepth | |
656 | */ | |
657 | if (td->iodepth_low > td->iodepth || !td->iodepth_low) | |
658 | td->iodepth_low = td->iodepth; | |
659 | ||
660 | printf("io depth %d/%d\n", td->iodepth_low, td->iodepth); | |
e1f36503 JA |
661 | } |
662 | ||
f8977ee6 JA |
663 | /* |
664 | * This function leaks the buffer | |
665 | */ | |
666 | static char *to_kmg(unsigned int val) | |
667 | { | |
668 | char *buf = malloc(32); | |
f3502ba2 | 669 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
670 | char *p = post; |
671 | ||
245142ff | 672 | do { |
f8977ee6 JA |
673 | if (val & 1023) |
674 | break; | |
675 | ||
676 | val >>= 10; | |
677 | p++; | |
245142ff | 678 | } while (*p); |
f8977ee6 JA |
679 | |
680 | snprintf(buf, 31, "%u%c", val, *p); | |
681 | return buf; | |
682 | } | |
683 | ||
906c8d75 JA |
684 | /* |
685 | * Adds a job to the list of things todo. Sanitizes the various options | |
686 | * to make sure we don't have conflicts, and initializes various | |
687 | * members of td. | |
688 | */ | |
75154845 | 689 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 690 | { |
3c9b60c1 JA |
691 | const char *ddir_str[] = { "read", "write", "randread", "randwrite", |
692 | "rw", NULL, "randrw" }; | |
ebac4655 | 693 | struct stat sb; |
53cdc686 JA |
694 | int numjobs, ddir, i; |
695 | struct fio_file *f; | |
ebac4655 | 696 | |
ebac4655 JA |
697 | /* |
698 | * the def_thread is just for options, it's not a real job | |
699 | */ | |
700 | if (td == &def_thread) | |
701 | return 0; | |
702 | ||
ee738499 | 703 | assert(td->io_ops); |
df64119d | 704 | |
690adba3 JA |
705 | if (td->odirect) |
706 | td->io_ops->flags |= FIO_RAWIO; | |
707 | ||
ebac4655 | 708 | td->filetype = FIO_TYPE_FILE; |
890df538 | 709 | if (td->filename && !lstat(td->filename, &sb)) { |
0af7b542 JA |
710 | if (S_ISBLK(sb.st_mode)) |
711 | td->filetype = FIO_TYPE_BD; | |
712 | else if (S_ISCHR(sb.st_mode)) | |
713 | td->filetype = FIO_TYPE_CHAR; | |
714 | } | |
ebac4655 | 715 | |
e0a22335 JA |
716 | fixup_options(td); |
717 | ||
13f8e2d2 JA |
718 | if (td->filename) |
719 | td->nr_uniq_files = 1; | |
720 | else | |
721 | td->nr_uniq_files = td->nr_files; | |
722 | ||
723 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 724 | char tmp[PATH_MAX]; |
53cdc686 | 725 | int len = 0; |
e9c047a0 | 726 | |
16edf25d JA |
727 | if (td->directory && td->directory[0] != '\0') { |
728 | if (lstat(td->directory, &sb) < 0) { | |
729 | log_err("fio: %s is not a directory\n", td->directory); | |
730 | td_verror(td, errno); | |
731 | return 1; | |
732 | } | |
733 | if (!S_ISDIR(sb.st_mode)) { | |
734 | log_err("fio: %s is not a directory\n", td->directory); | |
735 | return 1; | |
736 | } | |
8aeebd55 | 737 | len = sprintf(tmp, "%s/", td->directory); |
16edf25d | 738 | } |
ebac4655 | 739 | |
53cdc686 JA |
740 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
741 | ||
742 | for_each_file(td, f, i) { | |
743 | memset(f, 0, sizeof(*f)); | |
744 | f->fd = -1; | |
745 | ||
13f8e2d2 JA |
746 | if (td->filename) |
747 | sprintf(tmp + len, "%s", td->filename); | |
748 | else | |
749 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
750 | f->file_name = strdup(tmp); |
751 | } | |
752 | } else { | |
753 | td->nr_files = 1; | |
754 | td->files = malloc(sizeof(struct fio_file)); | |
755 | f = &td->files[0]; | |
756 | ||
757 | memset(f, 0, sizeof(*f)); | |
758 | f->fd = -1; | |
759 | f->file_name = strdup(jobname); | |
760 | } | |
761 | ||
762 | for_each_file(td, f, i) { | |
763 | f->file_size = td->total_file_size / td->nr_files; | |
764 | f->file_offset = td->start_offset; | |
765 | } | |
766 | ||
bbfd6b00 | 767 | fio_sem_init(&td->mutex, 0); |
ebac4655 | 768 | |
079ad09b JA |
769 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
770 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
771 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 772 | |
ebac4655 JA |
773 | if (td->stonewall && td->thread_number > 1) |
774 | groupid++; | |
775 | ||
776 | td->groupid = groupid; | |
777 | ||
778 | if (setup_rate(td)) | |
779 | goto err; | |
780 | ||
ec94ec56 | 781 | if (td->write_lat_log) { |
079ad09b JA |
782 | setup_log(&td->ts.slat_log); |
783 | setup_log(&td->ts.clat_log); | |
ebac4655 | 784 | } |
ec94ec56 | 785 | if (td->write_bw_log) |
079ad09b | 786 | setup_log(&td->ts.bw_log); |
ebac4655 | 787 | |
b4692828 JA |
788 | if (!td->name) |
789 | td->name = strdup(jobname); | |
01452055 | 790 | |
3d60d1ed | 791 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 792 | |
c6ae0a5b | 793 | if (!terse_output) { |
b990b5c0 | 794 | if (!job_add_num) { |
2866c82d | 795 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 | 796 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
797 | else { |
798 | char *c1, *c2, *c3, *c4; | |
799 | ||
800 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
801 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
802 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
803 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
804 | ||
d56cbab0 | 805 | 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 |
806 | |
807 | free(c1); | |
808 | free(c2); | |
809 | free(c3); | |
810 | free(c4); | |
811 | } | |
b990b5c0 | 812 | } else if (job_add_num == 1) |
c6ae0a5b JA |
813 | fprintf(f_out, "...\n"); |
814 | } | |
ebac4655 JA |
815 | |
816 | /* | |
817 | * recurse add identical jobs, clear numjobs and stonewall options | |
818 | * as they don't apply to sub-jobs | |
819 | */ | |
820 | numjobs = td->numjobs; | |
821 | while (--numjobs) { | |
822 | struct thread_data *td_new = get_new_job(0, td); | |
823 | ||
824 | if (!td_new) | |
825 | goto err; | |
826 | ||
827 | td_new->numjobs = 1; | |
828 | td_new->stonewall = 0; | |
75154845 | 829 | job_add_num = numjobs - 1; |
ebac4655 | 830 | |
75154845 | 831 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
832 | goto err; |
833 | } | |
834 | return 0; | |
835 | err: | |
836 | put_job(td); | |
837 | return -1; | |
838 | } | |
839 | ||
906c8d75 JA |
840 | /* |
841 | * Initialize the various random states we need (random io, block size ranges, | |
842 | * read/write mix, etc). | |
843 | */ | |
ebac4655 JA |
844 | int init_random_state(struct thread_data *td) |
845 | { | |
a6ccc7be | 846 | unsigned long seeds[4]; |
53cdc686 | 847 | int fd, num_maps, blocks, i; |
0ab8db89 | 848 | struct fio_file *f; |
ebac4655 | 849 | |
f48b467c JA |
850 | if (td->io_ops->flags & FIO_CPUIO) |
851 | return 0; | |
852 | ||
1ac267bb | 853 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
854 | if (fd == -1) { |
855 | td_verror(td, errno); | |
856 | return 1; | |
857 | } | |
858 | ||
a6ccc7be | 859 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
860 | td_verror(td, EIO); |
861 | close(fd); | |
862 | return 1; | |
863 | } | |
864 | ||
865 | close(fd); | |
866 | ||
6dfd46b9 JA |
867 | os_random_seed(seeds[0], &td->bsrange_state); |
868 | os_random_seed(seeds[1], &td->verify_state); | |
869 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
870 | |
871 | if (td->sequential) | |
872 | return 0; | |
873 | ||
9ebc27e1 | 874 | if (td->rand_repeatable) |
2f073b09 | 875 | seeds[3] = FIO_RANDSEED * td->thread_number; |
ebac4655 | 876 | |
bb8895e0 JA |
877 | if (!td->norandommap) { |
878 | for_each_file(td, f, i) { | |
a4a81712 | 879 | blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 880 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
881 | f->file_map = malloc(num_maps * sizeof(long)); |
882 | f->num_maps = num_maps; | |
883 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
884 | } | |
53cdc686 | 885 | } |
ebac4655 | 886 | |
6dfd46b9 | 887 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
888 | return 0; |
889 | } | |
890 | ||
891 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
892 | { | |
893 | #ifdef FIO_HAVE_CPU_AFFINITY | |
894 | unsigned int i; | |
895 | ||
896 | CPU_ZERO(&cpumask); | |
897 | ||
898 | for (i = 0; i < sizeof(int) * 8; i++) { | |
899 | if ((1 << i) & cpu) | |
900 | CPU_SET(i, &cpumask); | |
901 | } | |
902 | #endif | |
903 | } | |
904 | ||
ebac4655 JA |
905 | static int is_empty_or_comment(char *line) |
906 | { | |
907 | unsigned int i; | |
908 | ||
909 | for (i = 0; i < strlen(line); i++) { | |
910 | if (line[i] == ';') | |
911 | return 1; | |
5cc2da30 IM |
912 | if (line[i] == '#') |
913 | return 1; | |
ebac4655 JA |
914 | if (!isspace(line[i]) && !iscntrl(line[i])) |
915 | return 0; | |
916 | } | |
917 | ||
918 | return 1; | |
919 | } | |
920 | ||
b4692828 | 921 | static int str_rw_cb(void *data, const char *mem) |
ebac4655 | 922 | { |
cb2c86fd JA |
923 | struct thread_data *td = data; |
924 | ||
ebac4655 JA |
925 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
926 | td->ddir = DDIR_READ; | |
927 | td->sequential = 1; | |
928 | return 0; | |
929 | } else if (!strncmp(mem, "randread", 8)) { | |
930 | td->ddir = DDIR_READ; | |
931 | td->sequential = 0; | |
932 | return 0; | |
933 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
934 | td->ddir = DDIR_WRITE; | |
935 | td->sequential = 1; | |
936 | return 0; | |
937 | } else if (!strncmp(mem, "randwrite", 9)) { | |
938 | td->ddir = DDIR_WRITE; | |
939 | td->sequential = 0; | |
940 | return 0; | |
3d60d1ed | 941 | } else if (!strncmp(mem, "rw", 2)) { |
1e97cce9 | 942 | td->ddir = DDIR_READ; |
3d60d1ed JA |
943 | td->iomix = 1; |
944 | td->sequential = 1; | |
945 | return 0; | |
946 | } else if (!strncmp(mem, "randrw", 6)) { | |
1e97cce9 | 947 | td->ddir = DDIR_READ; |
3d60d1ed JA |
948 | td->iomix = 1; |
949 | td->sequential = 0; | |
950 | return 0; | |
ebac4655 JA |
951 | } |
952 | ||
3b70d7e5 | 953 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
954 | return 1; |
955 | } | |
956 | ||
b4692828 | 957 | static int str_verify_cb(void *data, const char *mem) |
ebac4655 | 958 | { |
cb2c86fd JA |
959 | struct thread_data *td = data; |
960 | ||
ebac4655 JA |
961 | if (!strncmp(mem, "0", 1)) { |
962 | td->verify = VERIFY_NONE; | |
963 | return 0; | |
964 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
965 | td->verify = VERIFY_MD5; | |
966 | return 0; | |
967 | } else if (!strncmp(mem, "crc32", 5)) { | |
968 | td->verify = VERIFY_CRC32; | |
969 | return 0; | |
970 | } | |
971 | ||
3b70d7e5 | 972 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
973 | return 1; |
974 | } | |
975 | ||
313cb206 JA |
976 | /* |
977 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
978 | */ | |
979 | static char *get_mmap_file(const char *str) | |
980 | { | |
981 | char *p = strstr(str, ":"); | |
982 | ||
983 | if (!p) | |
984 | return NULL; | |
985 | ||
986 | p++; | |
987 | strip_blank_front(&p); | |
988 | strip_blank_end(p); | |
989 | return strdup(p); | |
990 | } | |
991 | ||
b4692828 | 992 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 993 | { |
cb2c86fd JA |
994 | struct thread_data *td = data; |
995 | ||
ebac4655 JA |
996 | if (!strncmp(mem, "malloc", 6)) { |
997 | td->mem_type = MEM_MALLOC; | |
998 | return 0; | |
d0bdaf49 JA |
999 | } else if (!strncmp(mem, "mmaphuge", 8)) { |
1000 | #ifdef FIO_HAVE_HUGETLB | |
d0bdaf49 JA |
1001 | /* |
1002 | * mmaphuge must be appended with the actual file | |
1003 | */ | |
313cb206 JA |
1004 | td->mmapfile = get_mmap_file(mem); |
1005 | if (!td->mmapfile) { | |
d0bdaf49 JA |
1006 | log_err("fio: mmaphuge:/path/to/file\n"); |
1007 | return 1; | |
1008 | } | |
1009 | ||
d0bdaf49 JA |
1010 | td->mem_type = MEM_MMAPHUGE; |
1011 | return 0; | |
1012 | #else | |
1013 | log_err("fio: mmaphuge not available\n"); | |
1014 | return 1; | |
1015 | #endif | |
ebac4655 | 1016 | } else if (!strncmp(mem, "mmap", 4)) { |
313cb206 JA |
1017 | /* |
1018 | * Check if the user wants file backed memory. It's ok | |
1019 | * if there's no file given, we'll just use anon mamp then. | |
1020 | */ | |
1021 | td->mmapfile = get_mmap_file(mem); | |
ebac4655 JA |
1022 | td->mem_type = MEM_MMAP; |
1023 | return 0; | |
74b025b0 JA |
1024 | } else if (!strncmp(mem, "shmhuge", 7)) { |
1025 | #ifdef FIO_HAVE_HUGETLB | |
1026 | td->mem_type = MEM_SHMHUGE; | |
1027 | return 0; | |
1028 | #else | |
1029 | log_err("fio: shmhuge not available\n"); | |
1030 | return 1; | |
1031 | #endif | |
0268b8ba JA |
1032 | } else if (!strncmp(mem, "shm", 3)) { |
1033 | td->mem_type = MEM_SHM; | |
1034 | return 0; | |
ebac4655 JA |
1035 | } |
1036 | ||
d0bdaf49 | 1037 | log_err("fio: mem type: malloc, shm, shmhuge, mmap, mmaphuge\n"); |
ebac4655 JA |
1038 | return 1; |
1039 | } | |
1040 | ||
b4692828 | 1041 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 1042 | { |
cb2c86fd JA |
1043 | struct thread_data *td = data; |
1044 | ||
2866c82d JA |
1045 | td->io_ops = load_ioengine(td, str); |
1046 | if (td->io_ops) | |
b990b5c0 | 1047 | return 0; |
ebac4655 | 1048 | |
08aae9a0 | 1049 | log_err("fio: ioengine= libaio, posixaio, sync, mmap, sgio, splice, cpu, null\n"); |
5f350952 | 1050 | log_err("fio: or specify path to dynamic ioengine module\n"); |
ebac4655 JA |
1051 | return 1; |
1052 | } | |
1053 | ||
e1f36503 JA |
1054 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
1055 | { | |
1056 | mlock_size = *val; | |
1057 | return 0; | |
1058 | } | |
1059 | ||
34cfcdaf | 1060 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1061 | static int str_prioclass_cb(void *data, unsigned int *val) |
1062 | { | |
1063 | struct thread_data *td = data; | |
1064 | ||
1065 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1066 | return 0; | |
1067 | } | |
1068 | ||
1069 | static int str_prio_cb(void *data, unsigned int *val) | |
1070 | { | |
1071 | struct thread_data *td = data; | |
1072 | ||
1073 | td->ioprio |= *val; | |
1074 | return 0; | |
1075 | } | |
34cfcdaf | 1076 | #endif |
e1f36503 JA |
1077 | |
1078 | static int str_exitall_cb(void) | |
1079 | { | |
1080 | exitall_on_terminate = 1; | |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1085 | { | |
1086 | struct thread_data *td = data; | |
1087 | ||
1088 | fill_cpu_mask(td->cpumask, *val); | |
1089 | return 0; | |
1090 | } | |
1091 | ||
07261983 JA |
1092 | /* |
1093 | * This is our [ini] type file parser. | |
1094 | */ | |
1e97cce9 | 1095 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1096 | { |
e1f36503 | 1097 | unsigned int global; |
ebac4655 | 1098 | struct thread_data *td; |
fee3bb48 | 1099 | char *string, *name; |
ebac4655 JA |
1100 | fpos_t off; |
1101 | FILE *f; | |
1102 | char *p; | |
0c7e37a0 | 1103 | int ret = 0, stonewall; |
ebac4655 JA |
1104 | |
1105 | f = fopen(file, "r"); | |
1106 | if (!f) { | |
aea47d44 | 1107 | perror("fopen job file"); |
ebac4655 JA |
1108 | return 1; |
1109 | } | |
1110 | ||
1111 | string = malloc(4096); | |
1112 | name = malloc(256); | |
fee3bb48 | 1113 | memset(name, 0, 256); |
ebac4655 | 1114 | |
0c7e37a0 | 1115 | stonewall = stonewall_flag; |
7c124ac1 JA |
1116 | do { |
1117 | p = fgets(string, 4095, f); | |
1118 | if (!p) | |
45410acb | 1119 | break; |
ebac4655 JA |
1120 | if (is_empty_or_comment(p)) |
1121 | continue; | |
fee3bb48 | 1122 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1123 | continue; |
1124 | ||
1125 | global = !strncmp(name, "global", 6); | |
1126 | ||
1127 | name[strlen(name) - 1] = '\0'; | |
1128 | ||
1129 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1130 | if (!td) { |
1131 | ret = 1; | |
1132 | break; | |
1133 | } | |
ebac4655 | 1134 | |
972cfd25 JA |
1135 | /* |
1136 | * Seperate multiple job files by a stonewall | |
1137 | */ | |
f9481919 | 1138 | if (!global && stonewall) { |
972cfd25 JA |
1139 | td->stonewall = stonewall; |
1140 | stonewall = 0; | |
1141 | } | |
1142 | ||
ebac4655 JA |
1143 | fgetpos(f, &off); |
1144 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1145 | if (is_empty_or_comment(p)) | |
1146 | continue; | |
e1f36503 | 1147 | |
b6754f9d | 1148 | strip_blank_front(&p); |
7c124ac1 JA |
1149 | |
1150 | if (p[0] == '[') | |
1151 | break; | |
1152 | ||
4ae3f763 | 1153 | strip_blank_end(p); |
aea47d44 | 1154 | |
e1f36503 | 1155 | fgetpos(f, &off); |
ebac4655 | 1156 | |
45410acb JA |
1157 | /* |
1158 | * Don't break here, continue parsing options so we | |
1159 | * dump all the bad ones. Makes trial/error fixups | |
1160 | * easier on the user. | |
1161 | */ | |
7c124ac1 | 1162 | ret |= parse_option(p, options, td); |
ebac4655 | 1163 | } |
ebac4655 | 1164 | |
45410acb JA |
1165 | if (!ret) { |
1166 | fsetpos(f, &off); | |
1167 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1168 | } else { |
1169 | log_err("fio: job %s dropped\n", name); | |
1170 | put_job(td); | |
45410acb | 1171 | } |
7c124ac1 | 1172 | } while (!ret); |
ebac4655 JA |
1173 | |
1174 | free(string); | |
1175 | free(name); | |
1176 | fclose(f); | |
45410acb | 1177 | return ret; |
ebac4655 JA |
1178 | } |
1179 | ||
1180 | static int fill_def_thread(void) | |
1181 | { | |
1182 | memset(&def_thread, 0, sizeof(def_thread)); | |
1183 | ||
1184 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1185 | perror("sched_getaffinity"); | |
1186 | return 1; | |
1187 | } | |
1188 | ||
1189 | /* | |
ee738499 | 1190 | * fill default options |
ebac4655 | 1191 | */ |
ee738499 JA |
1192 | fill_default_options(&def_thread, options); |
1193 | ||
972cfd25 | 1194 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1195 | def_thread.write_bw_log = write_bw_log; |
1196 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1197 | |
ebac4655 JA |
1198 | #ifdef FIO_HAVE_DISK_UTIL |
1199 | def_thread.do_disk_util = 1; | |
1200 | #endif | |
1201 | ||
1202 | return 0; | |
1203 | } | |
1204 | ||
0ab8db89 | 1205 | static void usage(void) |
4785f995 JA |
1206 | { |
1207 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1208 | printf("\t--output\tWrite output to file\n"); |
1209 | printf("\t--timeout\tRuntime in seconds\n"); | |
1210 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1211 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1212 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1213 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1214 | printf("\t--help\t\tPrint this page\n"); |
1215 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1216 | } |
1217 | ||
972cfd25 | 1218 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1219 | { |
b4692828 | 1220 | struct thread_data *td = NULL; |
c2b1e753 | 1221 | int c, ini_idx = 0, lidx, ret; |
ebac4655 | 1222 | |
b4692828 | 1223 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1224 | switch (c) { |
b4692828 JA |
1225 | case 't': |
1226 | def_timeout = atoi(optarg); | |
1227 | break; | |
1228 | case 'l': | |
1229 | write_lat_log = 1; | |
1230 | break; | |
1231 | case 'w': | |
1232 | write_bw_log = 1; | |
1233 | break; | |
1234 | case 'o': | |
1235 | f_out = fopen(optarg, "w+"); | |
1236 | if (!f_out) { | |
1237 | perror("fopen output"); | |
1238 | exit(1); | |
1239 | } | |
1240 | f_err = f_out; | |
1241 | break; | |
1242 | case 'm': | |
1243 | terse_output = 1; | |
1244 | break; | |
1245 | case 'h': | |
1246 | usage(); | |
1247 | exit(0); | |
fd28ca49 | 1248 | case 'c': |
29fc6afe JA |
1249 | ret = show_cmd_help(options, optarg); |
1250 | exit(ret); | |
b4692828 JA |
1251 | case 'v': |
1252 | printf("%s\n", fio_version_string); | |
1253 | exit(0); | |
1254 | case FIO_GETOPT_JOB: { | |
1255 | const char *opt = long_options[lidx].name; | |
1256 | char *val = optarg; | |
1257 | ||
c2b1e753 JA |
1258 | if (!strncmp(opt, "name", 4) && td) { |
1259 | ret = add_job(td, td->name ?: "fio", 0); | |
1260 | if (ret) { | |
1261 | put_job(td); | |
1262 | return 0; | |
1263 | } | |
1264 | td = NULL; | |
1265 | } | |
b4692828 | 1266 | if (!td) { |
38d0adb0 | 1267 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1268 | |
1269 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1270 | if (!td) |
1271 | return 0; | |
1272 | } | |
38d0adb0 | 1273 | |
b1508cf9 JA |
1274 | ret = parse_cmd_option(opt, val, options, td); |
1275 | if (ret) { | |
1276 | log_err("fio: job dropped\n"); | |
1277 | put_job(td); | |
1278 | td = NULL; | |
1279 | } | |
b4692828 JA |
1280 | break; |
1281 | } | |
1282 | default: | |
b4692828 | 1283 | break; |
ebac4655 JA |
1284 | } |
1285 | } | |
c9fad893 | 1286 | |
b4692828 | 1287 | if (td) { |
c2b1e753 | 1288 | ret = add_job(td, td->name ?: "fio", 0); |
b4692828 JA |
1289 | if (ret) |
1290 | put_job(td); | |
972cfd25 | 1291 | } |
774a6177 | 1292 | |
b4692828 JA |
1293 | while (optind < argc) { |
1294 | ini_idx++; | |
1295 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1296 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1297 | optind++; | |
eb8bbf48 | 1298 | } |
972cfd25 JA |
1299 | |
1300 | return ini_idx; | |
ebac4655 JA |
1301 | } |
1302 | ||
1303 | static void free_shm(void) | |
1304 | { | |
1305 | struct shmid_ds sbuf; | |
1306 | ||
1307 | if (threads) { | |
2c0ecd28 | 1308 | shmdt((void *) threads); |
ebac4655 JA |
1309 | threads = NULL; |
1310 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1311 | } | |
1312 | } | |
1313 | ||
906c8d75 JA |
1314 | /* |
1315 | * The thread area is shared between the main process and the job | |
1316 | * threads/processes. So setup a shared memory segment that will hold | |
1317 | * all the job info. | |
1318 | */ | |
ebac4655 JA |
1319 | static int setup_thread_area(void) |
1320 | { | |
1321 | /* | |
1322 | * 1024 is too much on some machines, scale max_jobs if | |
1323 | * we get a failure that looks like too large a shm segment | |
1324 | */ | |
1325 | do { | |
906c8d75 | 1326 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1327 | |
906c8d75 | 1328 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1329 | if (shm_id != -1) |
1330 | break; | |
1331 | if (errno != EINVAL) { | |
1332 | perror("shmget"); | |
1333 | break; | |
1334 | } | |
1335 | ||
1336 | max_jobs >>= 1; | |
1337 | } while (max_jobs); | |
1338 | ||
1339 | if (shm_id == -1) | |
1340 | return 1; | |
1341 | ||
1342 | threads = shmat(shm_id, NULL, 0); | |
1343 | if (threads == (void *) -1) { | |
1344 | perror("shmat"); | |
1345 | return 1; | |
1346 | } | |
1347 | ||
1348 | atexit(free_shm); | |
1349 | return 0; | |
1350 | } | |
1351 | ||
b4692828 JA |
1352 | /* |
1353 | * Copy the fio options into the long options map, so we mirror | |
1354 | * job and cmd line options. | |
1355 | */ | |
1356 | static void dupe_job_options(void) | |
1357 | { | |
1358 | struct fio_option *o; | |
1359 | unsigned int i; | |
1360 | ||
1361 | i = 0; | |
1362 | while (long_options[i].name) | |
1363 | i++; | |
1364 | ||
1365 | o = &options[0]; | |
1366 | while (o->name) { | |
1367 | long_options[i].name = o->name; | |
1368 | long_options[i].val = FIO_GETOPT_JOB; | |
1369 | if (o->type == FIO_OPT_STR_SET) | |
1370 | long_options[i].has_arg = no_argument; | |
1371 | else | |
1372 | long_options[i].has_arg = required_argument; | |
1373 | ||
1374 | i++; | |
1375 | o++; | |
1376 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1377 | } | |
1378 | } | |
1379 | ||
ebac4655 JA |
1380 | int parse_options(int argc, char *argv[]) |
1381 | { | |
972cfd25 JA |
1382 | int job_files, i; |
1383 | ||
b4692828 JA |
1384 | f_out = stdout; |
1385 | f_err = stderr; | |
1386 | ||
13335ddb JA |
1387 | options_init(options); |
1388 | ||
b4692828 JA |
1389 | dupe_job_options(); |
1390 | ||
ebac4655 JA |
1391 | if (setup_thread_area()) |
1392 | return 1; | |
1393 | if (fill_def_thread()) | |
1394 | return 1; | |
1395 | ||
972cfd25 | 1396 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1397 | |
972cfd25 JA |
1398 | for (i = 0; i < job_files; i++) { |
1399 | if (fill_def_thread()) | |
1400 | return 1; | |
0c7e37a0 | 1401 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1402 | return 1; |
88c6ed80 | 1403 | free(ini_file[i]); |
972cfd25 | 1404 | } |
ebac4655 | 1405 | |
88c6ed80 | 1406 | free(ini_file); |
b4692828 JA |
1407 | |
1408 | if (!thread_number) { | |
1409 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1410 | return 1; |
1411 | } | |
1412 | ||
ebac4655 JA |
1413 | return 0; |
1414 | } |