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 | 25 | static int str_mem_cb(void *, const char *); |
e1f36503 | 26 | static int str_lockmem_cb(void *, unsigned long *); |
34cfcdaf | 27 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
28 | static int str_prio_cb(void *, unsigned int *); |
29 | static int str_prioclass_cb(void *, unsigned int *); | |
34cfcdaf | 30 | #endif |
e1f36503 JA |
31 | static int str_exitall_cb(void); |
32 | static int str_cpumask_cb(void *, unsigned int *); | |
1907dbc6 | 33 | static int str_fst_cb(void *, const char *); |
e1f36503 | 34 | |
ee738499 JA |
35 | #define __stringify_1(x) #x |
36 | #define __stringify(x) __stringify_1(x) | |
37 | ||
e1f36503 JA |
38 | /* |
39 | * Map of job/command line options | |
40 | */ | |
41 | static struct fio_option options[] = { | |
61697c37 JA |
42 | { |
43 | .name = "description", | |
44 | .type = FIO_OPT_STR_STORE, | |
45 | .off1 = td_var_offset(description), | |
46 | .help = "Text job description", | |
47 | }, | |
e1f36503 JA |
48 | { |
49 | .name = "name", | |
50 | .type = FIO_OPT_STR_STORE, | |
51 | .off1 = td_var_offset(name), | |
fd28ca49 | 52 | .help = "Name of this job", |
e1f36503 JA |
53 | }, |
54 | { | |
55 | .name = "directory", | |
56 | .type = FIO_OPT_STR_STORE, | |
57 | .off1 = td_var_offset(directory), | |
fd28ca49 | 58 | .help = "Directory to store files in", |
e1f36503 JA |
59 | }, |
60 | { | |
61 | .name = "filename", | |
62 | .type = FIO_OPT_STR_STORE, | |
63 | .off1 = td_var_offset(filename), | |
fd28ca49 | 64 | .help = "Force the use of a specific file", |
e1f36503 JA |
65 | }, |
66 | { | |
67 | .name = "rw", | |
68 | .type = FIO_OPT_STR, | |
b1ec1da6 | 69 | .off1 = td_var_offset(td_ddir), |
15f7918f | 70 | .help = "IO direction", |
ee738499 | 71 | .def = "read", |
b1ec1da6 JA |
72 | .posval = { |
73 | { .ival = "read", .oval = TD_DDIR_READ }, | |
74 | { .ival = "write", .oval = TD_DDIR_WRITE }, | |
75 | { .ival = "randread", .oval = TD_DDIR_RANDREAD }, | |
76 | { .ival = "randwrite", .oval = TD_DDIR_RANDWRITE }, | |
77 | { .ival = "rw", .oval = TD_DDIR_RW }, | |
78 | { .ival = "randrw", .oval = TD_DDIR_RANDRW }, | |
79 | }, | |
e1f36503 JA |
80 | }, |
81 | { | |
82 | .name = "ioengine", | |
09629a90 JA |
83 | .type = FIO_OPT_STR_STORE, |
84 | .off1 = td_var_offset(ioengine), | |
15f7918f | 85 | .help = "IO engine to use", |
ee738499 | 86 | .def = "sync", |
b1ec1da6 | 87 | .posval = { |
10cad1aa JA |
88 | { .ival = "sync", }, |
89 | #ifdef FIO_HAVE_LIBAIO | |
90 | { .ival = "libaio", }, | |
91 | #endif | |
92 | #ifdef FIO_HAVE_POSIXAIO | |
93 | { .ival = "posixaio", }, | |
94 | #endif | |
95 | { .ival = "mmap", }, | |
96 | #ifdef FIO_HAVE_SPLICE | |
97 | { .ival = "splice", }, | |
98 | #endif | |
99 | #ifdef FIO_HAVE_SGIO | |
100 | { .ival = "sg", }, | |
101 | #endif | |
b1ec1da6 | 102 | { .ival = "null", }, { .ival = "net", }, |
10cad1aa | 103 | #ifdef FIO_HAVE_SYSLET |
b1ec1da6 | 104 | { .ival = "syslet-rw", }, |
10cad1aa | 105 | #endif |
ba0fbe10 | 106 | { .ival = "cpuio", }, |
7b395ca5 | 107 | { .ival = "external", }, |
b1ec1da6 | 108 | }, |
e1f36503 | 109 | }, |
03b74b3e JA |
110 | { |
111 | .name = "iodepth", | |
112 | .type = FIO_OPT_INT, | |
113 | .off1 = td_var_offset(iodepth), | |
114 | .help = "Amount of IO buffers to keep in flight", | |
115 | .def = "1", | |
116 | }, | |
cb5ab512 JA |
117 | { |
118 | .name = "iodepth_batch", | |
119 | .type = FIO_OPT_INT, | |
120 | .off1 = td_var_offset(iodepth_batch), | |
121 | .help = "Number of IO to submit in one go", | |
122 | }, | |
e916b390 JA |
123 | { |
124 | .name = "iodepth_low", | |
125 | .type = FIO_OPT_INT, | |
126 | .off1 = td_var_offset(iodepth_low), | |
127 | .help = "Low water mark for queuing depth", | |
128 | }, | |
03b74b3e JA |
129 | { |
130 | .name = "size", | |
131 | .type = FIO_OPT_STR_VAL, | |
132 | .off1 = td_var_offset(total_file_size), | |
133 | .help = "Size of device or file", | |
134 | }, | |
135 | { | |
136 | .name = "bs", | |
137 | .type = FIO_OPT_STR_VAL_INT, | |
138 | .off1 = td_var_offset(bs[DDIR_READ]), | |
139 | .off2 = td_var_offset(bs[DDIR_WRITE]), | |
140 | .help = "Block size unit", | |
141 | .def = "4k", | |
142 | }, | |
143 | { | |
144 | .name = "bsrange", | |
145 | .type = FIO_OPT_RANGE, | |
146 | .off1 = td_var_offset(min_bs[DDIR_READ]), | |
147 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
148 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), | |
149 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
150 | .help = "Set block size range (in more detail than bs)", | |
151 | }, | |
152 | { | |
153 | .name = "bs_unaligned", | |
154 | .type = FIO_OPT_STR_SET, | |
155 | .off1 = td_var_offset(bs_unaligned), | |
156 | .help = "Don't sector align IO buffer sizes", | |
157 | }, | |
158 | { | |
159 | .name = "offset", | |
160 | .type = FIO_OPT_STR_VAL, | |
161 | .off1 = td_var_offset(start_offset), | |
162 | .help = "Start IO from this offset", | |
163 | .def = "0", | |
164 | }, | |
165 | { | |
166 | .name = "randrepeat", | |
167 | .type = FIO_OPT_BOOL, | |
168 | .off1 = td_var_offset(rand_repeatable), | |
169 | .help = "Use repeatable random IO pattern", | |
170 | .def = "1", | |
171 | }, | |
172 | { | |
173 | .name = "norandommap", | |
174 | .type = FIO_OPT_STR_SET, | |
175 | .off1 = td_var_offset(norandommap), | |
176 | .help = "Accept potential duplicate random blocks", | |
177 | }, | |
178 | { | |
179 | .name = "nrfiles", | |
180 | .type = FIO_OPT_INT, | |
181 | .off1 = td_var_offset(nr_files), | |
182 | .help = "Split job workload between this number of files", | |
183 | .def = "1", | |
184 | }, | |
b5af8293 JA |
185 | { |
186 | .name = "openfiles", | |
187 | .type = FIO_OPT_INT, | |
188 | .off1 = td_var_offset(open_files), | |
189 | .help = "Number of files to keep open at the same time", | |
190 | }, | |
0aabe160 JA |
191 | { |
192 | .name = "file_service_type", | |
193 | .type = FIO_OPT_STR, | |
1907dbc6 | 194 | .cb = str_fst_cb, |
b1ec1da6 | 195 | .off1 = td_var_offset(file_service_type), |
0aabe160 JA |
196 | .help = "How to select which file to service next", |
197 | .def = "roundrobin", | |
b1ec1da6 JA |
198 | .posval = { |
199 | { .ival = "random", .oval = FIO_FSERVICE_RANDOM }, | |
200 | { .ival = "roundrobin", .oval = FIO_FSERVICE_RR }, | |
201 | }, | |
0aabe160 | 202 | }, |
03b74b3e JA |
203 | { |
204 | .name = "fsync", | |
205 | .type = FIO_OPT_INT, | |
206 | .off1 = td_var_offset(fsync_blocks), | |
207 | .help = "Issue fsync for writes every given number of blocks", | |
208 | .def = "0", | |
209 | }, | |
210 | { | |
211 | .name = "direct", | |
212 | .type = FIO_OPT_BOOL, | |
213 | .off1 = td_var_offset(odirect), | |
76a43db4 JA |
214 | .help = "Use O_DIRECT IO (negates buffered)", |
215 | .def = "0", | |
216 | }, | |
217 | { | |
218 | .name = "buffered", | |
219 | .type = FIO_OPT_BOOL, | |
220 | .off1 = td_var_offset(odirect), | |
221 | .neg = 1, | |
222 | .help = "Use buffered IO (negates direct)", | |
03b74b3e JA |
223 | .def = "1", |
224 | }, | |
225 | { | |
226 | .name = "overwrite", | |
227 | .type = FIO_OPT_BOOL, | |
228 | .off1 = td_var_offset(overwrite), | |
229 | .help = "When writing, set whether to overwrite current data", | |
230 | .def = "0", | |
231 | }, | |
232 | { | |
233 | .name = "loops", | |
234 | .type = FIO_OPT_INT, | |
235 | .off1 = td_var_offset(loops), | |
236 | .help = "Number of times to run the job", | |
237 | .def = "1", | |
238 | }, | |
239 | { | |
240 | .name = "numjobs", | |
241 | .type = FIO_OPT_INT, | |
242 | .off1 = td_var_offset(numjobs), | |
243 | .help = "Duplicate this job this many times", | |
244 | .def = "1", | |
245 | }, | |
246 | { | |
247 | .name = "startdelay", | |
248 | .type = FIO_OPT_INT, | |
249 | .off1 = td_var_offset(start_delay), | |
250 | .help = "Only start job when this period has passed", | |
251 | .def = "0", | |
252 | }, | |
253 | { | |
254 | .name = "runtime", | |
255 | .alias = "timeout", | |
256 | .type = FIO_OPT_STR_VAL_TIME, | |
257 | .off1 = td_var_offset(timeout), | |
258 | .help = "Stop workload when this amount of time has passed", | |
259 | .def = "0", | |
260 | }, | |
e1f36503 JA |
261 | { |
262 | .name = "mem", | |
263 | .type = FIO_OPT_STR, | |
264 | .cb = str_mem_cb, | |
b1ec1da6 | 265 | .off1 = td_var_offset(mem_type), |
15f7918f | 266 | .help = "Backing type for IO buffers", |
ee738499 | 267 | .def = "malloc", |
b1ec1da6 JA |
268 | .posval = { |
269 | { .ival = "malloc", .oval = MEM_MALLOC }, | |
270 | { .ival = "shm", .oval = MEM_SHM }, | |
271 | #ifdef FIO_HAVE_HUGETLB | |
272 | { .ival = "shmhuge", .oval = MEM_SHMHUGE }, | |
273 | #endif | |
274 | { .ival = "mmap", .oval = MEM_MMAP }, | |
275 | #ifdef FIO_HAVE_HUGETLB | |
276 | { .ival = "mmaphuge", .oval = MEM_MMAPHUGE }, | |
277 | #endif | |
278 | }, | |
e1f36503 JA |
279 | }, |
280 | { | |
281 | .name = "verify", | |
282 | .type = FIO_OPT_STR, | |
b1ec1da6 | 283 | .off1 = td_var_offset(verify), |
15f7918f | 284 | .help = "Verify sum function", |
ee738499 | 285 | .def = "0", |
b1ec1da6 JA |
286 | .posval = { |
287 | { .ival = "0", .oval = VERIFY_NONE }, | |
288 | { .ival = "crc32", .oval = VERIFY_CRC32 }, | |
289 | { .ival = "md5", .oval = VERIFY_MD5 }, | |
290 | }, | |
e1f36503 JA |
291 | }, |
292 | { | |
293 | .name = "write_iolog", | |
076efc7c JA |
294 | .type = FIO_OPT_STR_STORE, |
295 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 296 | .help = "Store IO pattern to file", |
e1f36503 JA |
297 | }, |
298 | { | |
076efc7c | 299 | .name = "read_iolog", |
e1f36503 | 300 | .type = FIO_OPT_STR_STORE, |
076efc7c | 301 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 302 | .help = "Playback IO pattern from file", |
e1f36503 JA |
303 | }, |
304 | { | |
305 | .name = "exec_prerun", | |
306 | .type = FIO_OPT_STR_STORE, | |
307 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 308 | .help = "Execute this file prior to running job", |
e1f36503 JA |
309 | }, |
310 | { | |
311 | .name = "exec_postrun", | |
312 | .type = FIO_OPT_STR_STORE, | |
313 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 314 | .help = "Execute this file after running job", |
e1f36503 JA |
315 | }, |
316 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
317 | { | |
318 | .name = "ioscheduler", | |
319 | .type = FIO_OPT_STR_STORE, | |
320 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 321 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
322 | }, |
323 | #endif | |
e1f36503 JA |
324 | { |
325 | .name = "zonesize", | |
326 | .type = FIO_OPT_STR_VAL, | |
327 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 328 | .help = "Give size of an IO zone", |
ee738499 | 329 | .def = "0", |
e1f36503 JA |
330 | }, |
331 | { | |
332 | .name = "zoneskip", | |
333 | .type = FIO_OPT_STR_VAL, | |
334 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 335 | .help = "Space between IO zones", |
ee738499 | 336 | .def = "0", |
e1f36503 JA |
337 | }, |
338 | { | |
339 | .name = "lockmem", | |
340 | .type = FIO_OPT_STR_VAL, | |
341 | .cb = str_lockmem_cb, | |
fd28ca49 | 342 | .help = "Lock down this amount of memory", |
ee738499 | 343 | .def = "0", |
e1f36503 | 344 | }, |
e1f36503 JA |
345 | { |
346 | .name = "rwmixcycle", | |
347 | .type = FIO_OPT_INT, | |
348 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
349 | .help = "Cycle period for mixed read/write workloads (msec)", |
350 | .def = "500", | |
e1f36503 JA |
351 | }, |
352 | { | |
353 | .name = "rwmixread", | |
354 | .type = FIO_OPT_INT, | |
355 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 356 | .maxval = 100, |
fd28ca49 | 357 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 358 | .def = "50", |
e1f36503 JA |
359 | }, |
360 | { | |
361 | .name = "rwmixwrite", | |
362 | .type = FIO_OPT_INT, | |
363 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 364 | .maxval = 100, |
fd28ca49 | 365 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 366 | .def = "50", |
e1f36503 JA |
367 | }, |
368 | { | |
369 | .name = "nice", | |
370 | .type = FIO_OPT_INT, | |
371 | .off1 = td_var_offset(nice), | |
fd28ca49 | 372 | .help = "Set job CPU nice value", |
15f7918f | 373 | .minval = -19, |
ee738499 JA |
374 | .maxval = 20, |
375 | .def = "0", | |
e1f36503 JA |
376 | }, |
377 | #ifdef FIO_HAVE_IOPRIO | |
378 | { | |
379 | .name = "prio", | |
380 | .type = FIO_OPT_INT, | |
381 | .cb = str_prio_cb, | |
fd28ca49 | 382 | .help = "Set job IO priority value", |
15f7918f JA |
383 | .minval = 0, |
384 | .maxval = 7, | |
e1f36503 JA |
385 | }, |
386 | { | |
387 | .name = "prioclass", | |
388 | .type = FIO_OPT_INT, | |
389 | .cb = str_prioclass_cb, | |
fd28ca49 | 390 | .help = "Set job IO priority class", |
15f7918f JA |
391 | .minval = 0, |
392 | .maxval = 3, | |
e1f36503 JA |
393 | }, |
394 | #endif | |
395 | { | |
396 | .name = "thinktime", | |
397 | .type = FIO_OPT_INT, | |
1304923a | 398 | .off1 = td_var_offset(thinktime), |
5fa0f817 | 399 | .help = "Idle time between IO buffers (usec)", |
ee738499 | 400 | .def = "0", |
e1f36503 | 401 | }, |
48097d5c JA |
402 | { |
403 | .name = "thinktime_spin", | |
404 | .type = FIO_OPT_INT, | |
405 | .off1 = td_var_offset(thinktime_spin), | |
34403fb1 | 406 | .help = "Start think time by spinning this amount (usec)", |
48097d5c JA |
407 | .def = "0", |
408 | }, | |
9c1f7434 JA |
409 | { |
410 | .name = "thinktime_blocks", | |
411 | .type = FIO_OPT_INT, | |
1304923a | 412 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 413 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 414 | .def = "1", |
9c1f7434 | 415 | }, |
e1f36503 JA |
416 | { |
417 | .name = "rate", | |
418 | .type = FIO_OPT_INT, | |
1304923a | 419 | .off1 = td_var_offset(rate), |
fd28ca49 | 420 | .help = "Set bandwidth rate", |
e1f36503 JA |
421 | }, |
422 | { | |
423 | .name = "ratemin", | |
424 | .type = FIO_OPT_INT, | |
1304923a | 425 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 426 | .help = "The bottom limit accepted", |
e1f36503 JA |
427 | }, |
428 | { | |
429 | .name = "ratecycle", | |
430 | .type = FIO_OPT_INT, | |
1304923a | 431 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 432 | .help = "Window average for rate limits (msec)", |
ee738499 | 433 | .def = "1000", |
e1f36503 | 434 | }, |
e1f36503 JA |
435 | { |
436 | .name = "invalidate", | |
13335ddb | 437 | .type = FIO_OPT_BOOL, |
1304923a | 438 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 439 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 440 | .def = "1", |
e1f36503 JA |
441 | }, |
442 | { | |
443 | .name = "sync", | |
13335ddb | 444 | .type = FIO_OPT_BOOL, |
1304923a | 445 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 446 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 447 | .def = "0", |
e1f36503 JA |
448 | }, |
449 | { | |
450 | .name = "bwavgtime", | |
451 | .type = FIO_OPT_INT, | |
1304923a | 452 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
453 | .help = "Time window over which to calculate bandwidth (msec)", |
454 | .def = "500", | |
e1f36503 JA |
455 | }, |
456 | { | |
457 | .name = "create_serialize", | |
13335ddb | 458 | .type = FIO_OPT_BOOL, |
1304923a | 459 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 460 | .help = "Serialize creating of job files", |
ee738499 | 461 | .def = "1", |
e1f36503 JA |
462 | }, |
463 | { | |
464 | .name = "create_fsync", | |
13335ddb | 465 | .type = FIO_OPT_BOOL, |
1304923a | 466 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 467 | .help = "Fsync file after creation", |
ee738499 | 468 | .def = "1", |
e1f36503 | 469 | }, |
e1f36503 JA |
470 | { |
471 | .name = "cpuload", | |
472 | .type = FIO_OPT_INT, | |
1304923a | 473 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 474 | .help = "Use this percentage of CPU", |
e1f36503 JA |
475 | }, |
476 | { | |
477 | .name = "cpuchunks", | |
478 | .type = FIO_OPT_INT, | |
1304923a | 479 | .off1 = td_var_offset(cpucycle), |
ba0fbe10 JA |
480 | .help = "Length of the CPU burn cycles (usecs)", |
481 | .def = "50000", | |
e1f36503 | 482 | }, |
e1f36503 JA |
483 | #ifdef FIO_HAVE_CPU_AFFINITY |
484 | { | |
485 | .name = "cpumask", | |
486 | .type = FIO_OPT_INT, | |
487 | .cb = str_cpumask_cb, | |
fd28ca49 | 488 | .help = "CPU affinity mask", |
e1f36503 JA |
489 | }, |
490 | #endif | |
491 | { | |
492 | .name = "end_fsync", | |
13335ddb | 493 | .type = FIO_OPT_BOOL, |
1304923a | 494 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 495 | .help = "Include fsync at the end of job", |
ee738499 | 496 | .def = "0", |
e1f36503 JA |
497 | }, |
498 | { | |
499 | .name = "unlink", | |
13335ddb | 500 | .type = FIO_OPT_BOOL, |
e1f36503 | 501 | .off1 = td_var_offset(unlink), |
ee738499 | 502 | .help = "Unlink created files after job has completed", |
e545a6ce | 503 | .def = "0", |
e1f36503 JA |
504 | }, |
505 | { | |
506 | .name = "exitall", | |
507 | .type = FIO_OPT_STR_SET, | |
508 | .cb = str_exitall_cb, | |
fd28ca49 | 509 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
510 | }, |
511 | { | |
512 | .name = "stonewall", | |
513 | .type = FIO_OPT_STR_SET, | |
514 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 515 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
516 | }, |
517 | { | |
518 | .name = "thread", | |
519 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 520 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 521 | .help = "Use threads instead of forks", |
e1f36503 JA |
522 | }, |
523 | { | |
524 | .name = "write_bw_log", | |
525 | .type = FIO_OPT_STR_SET, | |
526 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 527 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
528 | }, |
529 | { | |
530 | .name = "write_lat_log", | |
531 | .type = FIO_OPT_STR_SET, | |
532 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 533 | .help = "Write log of latency during run", |
e1f36503 | 534 | }, |
56bb17f2 JA |
535 | { |
536 | .name = "hugepage-size", | |
537 | .type = FIO_OPT_STR_VAL, | |
538 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 539 | .help = "When using hugepages, specify size of each page", |
ee738499 | 540 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 541 | }, |
b2560f3c JA |
542 | { |
543 | .name = "group_reporting", | |
544 | .type = FIO_OPT_STR_SET, | |
545 | .off1 = td_var_offset(group_reporting), | |
546 | .help = "Do reporting on a per-group basis", | |
547 | }, | |
e1f36503 JA |
548 | { |
549 | .name = NULL, | |
550 | }, | |
551 | }; | |
552 | ||
b4692828 JA |
553 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
554 | #define FIO_CMD_OPTS (16) | |
555 | #define FIO_GETOPT_JOB (0x89988998) | |
556 | ||
557 | /* | |
558 | * Command line options. These will contain the above, plus a few | |
559 | * extra that only pertain to fio itself and not jobs. | |
560 | */ | |
561 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
562 | { | |
563 | .name = "output", | |
564 | .has_arg = required_argument, | |
565 | .val = 'o', | |
566 | }, | |
567 | { | |
568 | .name = "timeout", | |
569 | .has_arg = required_argument, | |
570 | .val = 't', | |
571 | }, | |
572 | { | |
573 | .name = "latency-log", | |
574 | .has_arg = required_argument, | |
575 | .val = 'l', | |
576 | }, | |
577 | { | |
578 | .name = "bandwidth-log", | |
579 | .has_arg = required_argument, | |
580 | .val = 'b', | |
581 | }, | |
582 | { | |
583 | .name = "minimal", | |
584 | .has_arg = optional_argument, | |
585 | .val = 'm', | |
586 | }, | |
587 | { | |
588 | .name = "version", | |
589 | .has_arg = no_argument, | |
590 | .val = 'v', | |
591 | }, | |
fd28ca49 JA |
592 | { |
593 | .name = "help", | |
594 | .has_arg = no_argument, | |
595 | .val = 'h', | |
596 | }, | |
597 | { | |
598 | .name = "cmdhelp", | |
320beefe | 599 | .has_arg = optional_argument, |
fd28ca49 JA |
600 | .val = 'c', |
601 | }, | |
b4692828 JA |
602 | { |
603 | .name = NULL, | |
604 | }, | |
605 | }; | |
606 | ||
ee738499 | 607 | static int def_timeout = 0; |
972cfd25 | 608 | |
fdf3de27 | 609 | static char fio_version_string[] = "fio 1.13"; |
ebac4655 | 610 | |
972cfd25 | 611 | static char **ini_file; |
ebac4655 JA |
612 | static int max_jobs = MAX_JOBS; |
613 | ||
614 | struct thread_data def_thread; | |
615 | struct thread_data *threads = NULL; | |
616 | ||
ebac4655 | 617 | int exitall_on_terminate = 0; |
c6ae0a5b | 618 | int terse_output = 0; |
c04f7ec3 | 619 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
620 | FILE *f_out = NULL; |
621 | FILE *f_err = NULL; | |
ebac4655 | 622 | |
ee738499 | 623 | static int write_lat_log = 0; |
bb3884d8 | 624 | int write_bw_log = 0; |
ec94ec56 | 625 | |
3c5df6fa JA |
626 | static int prev_group_jobs; |
627 | ||
9728ce37 JB |
628 | FILE *get_f_out() |
629 | { | |
630 | return f_out; | |
631 | } | |
632 | ||
633 | FILE *get_f_err() | |
634 | { | |
635 | return f_err; | |
636 | } | |
637 | ||
906c8d75 JA |
638 | /* |
639 | * Return a free job structure. | |
640 | */ | |
ebac4655 JA |
641 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
642 | { | |
643 | struct thread_data *td; | |
644 | ||
645 | if (global) | |
646 | return &def_thread; | |
647 | if (thread_number >= max_jobs) | |
648 | return NULL; | |
649 | ||
650 | td = &threads[thread_number++]; | |
ddaeaa5a | 651 | *td = *parent; |
ebac4655 | 652 | |
ebac4655 | 653 | td->thread_number = thread_number; |
ebac4655 JA |
654 | return td; |
655 | } | |
656 | ||
657 | static void put_job(struct thread_data *td) | |
658 | { | |
549577a7 JA |
659 | if (td == &def_thread) |
660 | return; | |
661 | ||
16edf25d JA |
662 | if (td->error) |
663 | fprintf(f_out, "fio: %s\n", td->verror); | |
664 | ||
ebac4655 JA |
665 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
666 | thread_number--; | |
667 | } | |
668 | ||
dad915e3 JA |
669 | /* |
670 | * Lazy way of fixing up options that depend on each other. We could also | |
671 | * define option callback handlers, but this is easier. | |
672 | */ | |
e1f36503 JA |
673 | static void fixup_options(struct thread_data *td) |
674 | { | |
e1f36503 JA |
675 | if (!td->rwmixread && td->rwmixwrite) |
676 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 677 | |
076efc7c JA |
678 | if (td->write_iolog_file && td->read_iolog_file) { |
679 | log_err("fio: read iolog overrides write_iolog\n"); | |
680 | free(td->write_iolog_file); | |
681 | td->write_iolog_file = NULL; | |
682 | } | |
16b462ae JA |
683 | |
684 | if (td->io_ops->flags & FIO_SYNCIO) | |
685 | td->iodepth = 1; | |
686 | else { | |
687 | if (!td->iodepth) | |
b5af8293 | 688 | td->iodepth = td->open_files; |
16b462ae JA |
689 | } |
690 | ||
691 | /* | |
692 | * only really works for sequential io for now, and with 1 file | |
693 | */ | |
b5af8293 | 694 | if (td->zone_size && td_random(td) && td->open_files == 1) |
16b462ae JA |
695 | td->zone_size = 0; |
696 | ||
697 | /* | |
698 | * Reads can do overwrites, we always need to pre-create the file | |
699 | */ | |
700 | if (td_read(td) || td_rw(td)) | |
701 | td->overwrite = 1; | |
702 | ||
a00735e6 JA |
703 | if (!td->min_bs[DDIR_READ]) |
704 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
705 | if (!td->max_bs[DDIR_READ]) | |
706 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
707 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 708 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 709 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 710 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
711 | |
712 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
713 | ||
16b462ae JA |
714 | if (td_read(td) && !td_rw(td)) |
715 | td->verify = 0; | |
bb8895e0 JA |
716 | |
717 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
718 | log_err("fio: norandommap given, verify disabled\n"); | |
719 | td->verify = VERIFY_NONE; | |
720 | } | |
690adba3 JA |
721 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
722 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
723 | |
724 | /* | |
725 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
726 | */ | |
727 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
728 | td->odirect = 0; | |
48097d5c JA |
729 | |
730 | /* | |
731 | * thinktime_spin must be less than thinktime | |
732 | */ | |
733 | if (td->thinktime_spin > td->thinktime) | |
734 | td->thinktime_spin = td->thinktime; | |
e916b390 JA |
735 | |
736 | /* | |
737 | * The low water mark cannot be bigger than the iodepth | |
738 | */ | |
9467b77c JA |
739 | if (td->iodepth_low > td->iodepth || !td->iodepth_low) { |
740 | /* | |
741 | * syslet work around - if the workload is sequential, | |
742 | * we want to let the queue drain all the way down to | |
743 | * avoid seeking between async threads | |
744 | */ | |
745 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
746 | td->iodepth_low = 1; | |
747 | else | |
748 | td->iodepth_low = td->iodepth; | |
749 | } | |
cb5ab512 JA |
750 | |
751 | /* | |
752 | * If batch number isn't set, default to the same as iodepth | |
753 | */ | |
754 | if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) | |
755 | td->iodepth_batch = td->iodepth; | |
b5af8293 JA |
756 | |
757 | if (td->open_files > td->nr_files || !td->open_files) | |
758 | td->open_files = td->nr_files; | |
e1f36503 JA |
759 | } |
760 | ||
f8977ee6 JA |
761 | /* |
762 | * This function leaks the buffer | |
763 | */ | |
764 | static char *to_kmg(unsigned int val) | |
765 | { | |
766 | char *buf = malloc(32); | |
f3502ba2 | 767 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
768 | char *p = post; |
769 | ||
245142ff | 770 | do { |
f8977ee6 JA |
771 | if (val & 1023) |
772 | break; | |
773 | ||
774 | val >>= 10; | |
775 | p++; | |
245142ff | 776 | } while (*p); |
f8977ee6 JA |
777 | |
778 | snprintf(buf, 31, "%u%c", val, *p); | |
779 | return buf; | |
780 | } | |
781 | ||
09629a90 JA |
782 | /* External engines are specified by "external:name.o") */ |
783 | static const char *get_engine_name(const char *str) | |
784 | { | |
785 | char *p = strstr(str, ":"); | |
786 | ||
787 | if (!p) | |
788 | return str; | |
789 | ||
790 | p++; | |
791 | strip_blank_front(&p); | |
792 | strip_blank_end(p); | |
793 | return p; | |
794 | } | |
795 | ||
906c8d75 JA |
796 | /* |
797 | * Adds a job to the list of things todo. Sanitizes the various options | |
798 | * to make sure we don't have conflicts, and initializes various | |
799 | * members of td. | |
800 | */ | |
75154845 | 801 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 802 | { |
413dd459 JA |
803 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
804 | "randread", "randwrite", "randrw" }; | |
ebac4655 | 805 | struct stat sb; |
413dd459 | 806 | int numjobs, i; |
53cdc686 | 807 | struct fio_file *f; |
09629a90 | 808 | const char *engine; |
01ef57ce | 809 | int fn_given; |
ebac4655 | 810 | |
ebac4655 JA |
811 | /* |
812 | * the def_thread is just for options, it's not a real job | |
813 | */ | |
814 | if (td == &def_thread) | |
815 | return 0; | |
816 | ||
09629a90 JA |
817 | engine = get_engine_name(td->ioengine); |
818 | td->io_ops = load_ioengine(td, engine); | |
819 | if (!td->io_ops) { | |
820 | log_err("fio: failed to load engine %s\n", engine); | |
821 | return 1; | |
822 | } | |
df64119d | 823 | |
9cedf167 JA |
824 | if (td->use_thread) |
825 | nr_thread++; | |
826 | else | |
827 | nr_process++; | |
828 | ||
690adba3 JA |
829 | if (td->odirect) |
830 | td->io_ops->flags |= FIO_RAWIO; | |
831 | ||
9f8eb807 | 832 | fn_given = (long) td->filename; |
80be24f4 JA |
833 | if (!td->filename) |
834 | td->filename = strdup(jobname); | |
835 | ||
ebac4655 | 836 | td->filetype = FIO_TYPE_FILE; |
80be24f4 | 837 | if (!lstat(td->filename, &sb)) { |
0af7b542 JA |
838 | if (S_ISBLK(sb.st_mode)) |
839 | td->filetype = FIO_TYPE_BD; | |
840 | else if (S_ISCHR(sb.st_mode)) | |
841 | td->filetype = FIO_TYPE_CHAR; | |
842 | } | |
ebac4655 | 843 | |
e0a22335 JA |
844 | fixup_options(td); |
845 | ||
5be84f23 | 846 | if (fn_given) |
13f8e2d2 JA |
847 | td->nr_uniq_files = 1; |
848 | else | |
0f14fef3 | 849 | td->nr_uniq_files = td->open_files; |
13f8e2d2 | 850 | |
01ef57ce | 851 | if (td->filetype == FIO_TYPE_FILE) { |
e9c047a0 | 852 | char tmp[PATH_MAX]; |
53cdc686 | 853 | int len = 0; |
e9c047a0 | 854 | |
16edf25d JA |
855 | if (td->directory && td->directory[0] != '\0') { |
856 | if (lstat(td->directory, &sb) < 0) { | |
857 | log_err("fio: %s is not a directory\n", td->directory); | |
e1161c32 | 858 | td_verror(td, errno, "lstat"); |
16edf25d JA |
859 | return 1; |
860 | } | |
861 | if (!S_ISDIR(sb.st_mode)) { | |
862 | log_err("fio: %s is not a directory\n", td->directory); | |
863 | return 1; | |
864 | } | |
8aeebd55 | 865 | len = sprintf(tmp, "%s/", td->directory); |
16edf25d | 866 | } |
ebac4655 | 867 | |
b5af8293 | 868 | td->files = malloc(sizeof(struct fio_file) * td->open_files); |
53cdc686 JA |
869 | |
870 | for_each_file(td, f, i) { | |
871 | memset(f, 0, sizeof(*f)); | |
872 | f->fd = -1; | |
873 | ||
01ef57ce | 874 | if (fn_given) |
13f8e2d2 JA |
875 | sprintf(tmp + len, "%s", td->filename); |
876 | else | |
01ef57ce | 877 | sprintf(tmp + len, "%s.%d.%d", td->filename, td->thread_number, i); |
53cdc686 JA |
878 | f->file_name = strdup(tmp); |
879 | } | |
880 | } else { | |
b5af8293 | 881 | td->open_files = td->nr_files = 1; |
53cdc686 JA |
882 | td->files = malloc(sizeof(struct fio_file)); |
883 | f = &td->files[0]; | |
884 | ||
885 | memset(f, 0, sizeof(*f)); | |
886 | f->fd = -1; | |
656395b6 | 887 | f->file_name = strdup(td->filename); |
53cdc686 JA |
888 | } |
889 | ||
890 | for_each_file(td, f, i) { | |
891 | f->file_size = td->total_file_size / td->nr_files; | |
892 | f->file_offset = td->start_offset; | |
893 | } | |
894 | ||
07739b57 | 895 | td->mutex = fio_sem_init(0); |
ebac4655 | 896 | |
756867bd JA |
897 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
898 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
899 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 900 | |
3c5df6fa JA |
901 | if ((td->stonewall || td->numjobs > 1) && prev_group_jobs) { |
902 | prev_group_jobs = 0; | |
ebac4655 | 903 | groupid++; |
3c5df6fa | 904 | } |
ebac4655 JA |
905 | |
906 | td->groupid = groupid; | |
3c5df6fa | 907 | prev_group_jobs++; |
ebac4655 JA |
908 | |
909 | if (setup_rate(td)) | |
910 | goto err; | |
911 | ||
ec94ec56 | 912 | if (td->write_lat_log) { |
756867bd JA |
913 | setup_log(&td->ts.slat_log); |
914 | setup_log(&td->ts.clat_log); | |
ebac4655 | 915 | } |
ec94ec56 | 916 | if (td->write_bw_log) |
756867bd | 917 | setup_log(&td->ts.bw_log); |
ebac4655 | 918 | |
b4692828 JA |
919 | if (!td->name) |
920 | td->name = strdup(jobname); | |
01452055 | 921 | |
c6ae0a5b | 922 | if (!terse_output) { |
b990b5c0 | 923 | if (!job_add_num) { |
ba0fbe10 | 924 | if (!strcmp(td->io_ops->name, "cpuio")) |
b990b5c0 | 925 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
926 | else { |
927 | char *c1, *c2, *c3, *c4; | |
928 | ||
929 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
930 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
931 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
932 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
933 | ||
413dd459 | 934 | fprintf(f_out, "%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->name, td->groupid, ddir_str[td->td_ddir], c1, c2, c3, c4, td->io_ops->name, td->iodepth); |
f8977ee6 JA |
935 | |
936 | free(c1); | |
937 | free(c2); | |
938 | free(c3); | |
939 | free(c4); | |
940 | } | |
b990b5c0 | 941 | } else if (job_add_num == 1) |
c6ae0a5b JA |
942 | fprintf(f_out, "...\n"); |
943 | } | |
ebac4655 JA |
944 | |
945 | /* | |
946 | * recurse add identical jobs, clear numjobs and stonewall options | |
947 | * as they don't apply to sub-jobs | |
948 | */ | |
949 | numjobs = td->numjobs; | |
950 | while (--numjobs) { | |
951 | struct thread_data *td_new = get_new_job(0, td); | |
952 | ||
953 | if (!td_new) | |
954 | goto err; | |
955 | ||
956 | td_new->numjobs = 1; | |
957 | td_new->stonewall = 0; | |
75154845 | 958 | job_add_num = numjobs - 1; |
ebac4655 | 959 | |
75154845 | 960 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
961 | goto err; |
962 | } | |
3c5df6fa JA |
963 | |
964 | if (td->numjobs > 1) { | |
965 | groupid++; | |
966 | prev_group_jobs = 0; | |
967 | } | |
968 | ||
ebac4655 JA |
969 | return 0; |
970 | err: | |
971 | put_job(td); | |
972 | return -1; | |
973 | } | |
974 | ||
906c8d75 JA |
975 | /* |
976 | * Initialize the various random states we need (random io, block size ranges, | |
977 | * read/write mix, etc). | |
978 | */ | |
ebac4655 JA |
979 | int init_random_state(struct thread_data *td) |
980 | { | |
0aabe160 | 981 | unsigned long seeds[5]; |
53cdc686 | 982 | int fd, num_maps, blocks, i; |
0ab8db89 | 983 | struct fio_file *f; |
ebac4655 | 984 | |
ba0fbe10 | 985 | if (td->io_ops->flags & FIO_DISKLESSIO) |
f48b467c JA |
986 | return 0; |
987 | ||
1ac267bb | 988 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 | 989 | if (fd == -1) { |
e1161c32 | 990 | td_verror(td, errno, "open"); |
ebac4655 JA |
991 | return 1; |
992 | } | |
993 | ||
a6ccc7be | 994 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
e1161c32 | 995 | td_verror(td, EIO, "read"); |
ebac4655 JA |
996 | close(fd); |
997 | return 1; | |
998 | } | |
999 | ||
1000 | close(fd); | |
1001 | ||
6dfd46b9 JA |
1002 | os_random_seed(seeds[0], &td->bsrange_state); |
1003 | os_random_seed(seeds[1], &td->verify_state); | |
1004 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 | 1005 | |
413dd459 JA |
1006 | if (td->file_service_type == FIO_FSERVICE_RANDOM) |
1007 | os_random_seed(seeds[3], &td->next_file_state); | |
1008 | ||
1009 | if (!td_random(td)) | |
ebac4655 JA |
1010 | return 0; |
1011 | ||
9ebc27e1 | 1012 | if (td->rand_repeatable) |
0aabe160 | 1013 | seeds[4] = FIO_RANDSEED * td->thread_number; |
ebac4655 | 1014 | |
bb8895e0 JA |
1015 | if (!td->norandommap) { |
1016 | for_each_file(td, f, i) { | |
a4a81712 | 1017 | blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 1018 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 | 1019 | f->file_map = malloc(num_maps * sizeof(long)); |
bda4fd9e JA |
1020 | if (!f->file_map) { |
1021 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
1022 | return 1; | |
1023 | } | |
bb8895e0 JA |
1024 | f->num_maps = num_maps; |
1025 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
1026 | } | |
53cdc686 | 1027 | } |
ebac4655 | 1028 | |
0aabe160 | 1029 | os_random_seed(seeds[4], &td->random_state); |
ebac4655 JA |
1030 | return 0; |
1031 | } | |
1032 | ||
1033 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
1034 | { | |
1035 | #ifdef FIO_HAVE_CPU_AFFINITY | |
1036 | unsigned int i; | |
1037 | ||
1038 | CPU_ZERO(&cpumask); | |
1039 | ||
1040 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1041 | if ((1 << i) & cpu) | |
1042 | CPU_SET(i, &cpumask); | |
1043 | } | |
1044 | #endif | |
1045 | } | |
1046 | ||
ebac4655 JA |
1047 | static int is_empty_or_comment(char *line) |
1048 | { | |
1049 | unsigned int i; | |
1050 | ||
1051 | for (i = 0; i < strlen(line); i++) { | |
1052 | if (line[i] == ';') | |
1053 | return 1; | |
5cc2da30 IM |
1054 | if (line[i] == '#') |
1055 | return 1; | |
ebac4655 JA |
1056 | if (!isspace(line[i]) && !iscntrl(line[i])) |
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | return 1; | |
1061 | } | |
1062 | ||
313cb206 JA |
1063 | /* |
1064 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
1065 | */ | |
1907dbc6 | 1066 | static char *get_opt_postfix(const char *str) |
313cb206 JA |
1067 | { |
1068 | char *p = strstr(str, ":"); | |
1069 | ||
1070 | if (!p) | |
1071 | return NULL; | |
1072 | ||
1073 | p++; | |
1074 | strip_blank_front(&p); | |
1075 | strip_blank_end(p); | |
1076 | return strdup(p); | |
1077 | } | |
1078 | ||
b4692828 | 1079 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 1080 | { |
cb2c86fd JA |
1081 | struct thread_data *td = data; |
1082 | ||
b1ec1da6 | 1083 | if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) { |
1907dbc6 | 1084 | td->mmapfile = get_opt_postfix(mem); |
b1ec1da6 | 1085 | if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) { |
d0bdaf49 JA |
1086 | log_err("fio: mmaphuge:/path/to/file\n"); |
1087 | return 1; | |
1088 | } | |
ebac4655 JA |
1089 | } |
1090 | ||
b1ec1da6 | 1091 | return 0; |
ebac4655 JA |
1092 | } |
1093 | ||
e1f36503 JA |
1094 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
1095 | { | |
1096 | mlock_size = *val; | |
1097 | return 0; | |
1098 | } | |
1099 | ||
34cfcdaf | 1100 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1101 | static int str_prioclass_cb(void *data, unsigned int *val) |
1102 | { | |
1103 | struct thread_data *td = data; | |
1104 | ||
1105 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1106 | return 0; | |
1107 | } | |
1108 | ||
1109 | static int str_prio_cb(void *data, unsigned int *val) | |
1110 | { | |
1111 | struct thread_data *td = data; | |
1112 | ||
1113 | td->ioprio |= *val; | |
1114 | return 0; | |
1115 | } | |
34cfcdaf | 1116 | #endif |
e1f36503 JA |
1117 | |
1118 | static int str_exitall_cb(void) | |
1119 | { | |
1120 | exitall_on_terminate = 1; | |
1121 | return 0; | |
1122 | } | |
1123 | ||
1124 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1125 | { | |
1126 | struct thread_data *td = data; | |
1127 | ||
1128 | fill_cpu_mask(td->cpumask, *val); | |
1129 | return 0; | |
1130 | } | |
1131 | ||
1907dbc6 JA |
1132 | static int str_fst_cb(void *data, const char *str) |
1133 | { | |
1134 | struct thread_data *td = data; | |
1135 | char *nr = get_opt_postfix(str); | |
1136 | ||
1137 | td->file_service_nr = 1; | |
1138 | if (nr) | |
1139 | td->file_service_nr = atoi(nr); | |
1140 | ||
1141 | return 0; | |
1142 | } | |
1143 | ||
07261983 JA |
1144 | /* |
1145 | * This is our [ini] type file parser. | |
1146 | */ | |
1e97cce9 | 1147 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1148 | { |
e1f36503 | 1149 | unsigned int global; |
ebac4655 | 1150 | struct thread_data *td; |
fee3bb48 | 1151 | char *string, *name; |
ebac4655 JA |
1152 | fpos_t off; |
1153 | FILE *f; | |
1154 | char *p; | |
0c7e37a0 | 1155 | int ret = 0, stonewall; |
ebac4655 JA |
1156 | |
1157 | f = fopen(file, "r"); | |
1158 | if (!f) { | |
aea47d44 | 1159 | perror("fopen job file"); |
ebac4655 JA |
1160 | return 1; |
1161 | } | |
1162 | ||
1163 | string = malloc(4096); | |
1164 | name = malloc(256); | |
fee3bb48 | 1165 | memset(name, 0, 256); |
ebac4655 | 1166 | |
0c7e37a0 | 1167 | stonewall = stonewall_flag; |
7c124ac1 JA |
1168 | do { |
1169 | p = fgets(string, 4095, f); | |
1170 | if (!p) | |
45410acb | 1171 | break; |
ebac4655 JA |
1172 | if (is_empty_or_comment(p)) |
1173 | continue; | |
fee3bb48 | 1174 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1175 | continue; |
1176 | ||
1177 | global = !strncmp(name, "global", 6); | |
1178 | ||
1179 | name[strlen(name) - 1] = '\0'; | |
1180 | ||
1181 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1182 | if (!td) { |
1183 | ret = 1; | |
1184 | break; | |
1185 | } | |
ebac4655 | 1186 | |
972cfd25 JA |
1187 | /* |
1188 | * Seperate multiple job files by a stonewall | |
1189 | */ | |
f9481919 | 1190 | if (!global && stonewall) { |
972cfd25 JA |
1191 | td->stonewall = stonewall; |
1192 | stonewall = 0; | |
1193 | } | |
1194 | ||
ebac4655 JA |
1195 | fgetpos(f, &off); |
1196 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1197 | if (is_empty_or_comment(p)) | |
1198 | continue; | |
e1f36503 | 1199 | |
b6754f9d | 1200 | strip_blank_front(&p); |
7c124ac1 JA |
1201 | |
1202 | if (p[0] == '[') | |
1203 | break; | |
1204 | ||
4ae3f763 | 1205 | strip_blank_end(p); |
aea47d44 | 1206 | |
e1f36503 | 1207 | fgetpos(f, &off); |
ebac4655 | 1208 | |
45410acb JA |
1209 | /* |
1210 | * Don't break here, continue parsing options so we | |
1211 | * dump all the bad ones. Makes trial/error fixups | |
1212 | * easier on the user. | |
1213 | */ | |
7c124ac1 | 1214 | ret |= parse_option(p, options, td); |
ebac4655 | 1215 | } |
ebac4655 | 1216 | |
45410acb JA |
1217 | if (!ret) { |
1218 | fsetpos(f, &off); | |
1219 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1220 | } else { |
1221 | log_err("fio: job %s dropped\n", name); | |
1222 | put_job(td); | |
45410acb | 1223 | } |
7c124ac1 | 1224 | } while (!ret); |
ebac4655 JA |
1225 | |
1226 | free(string); | |
1227 | free(name); | |
1228 | fclose(f); | |
45410acb | 1229 | return ret; |
ebac4655 JA |
1230 | } |
1231 | ||
1232 | static int fill_def_thread(void) | |
1233 | { | |
1234 | memset(&def_thread, 0, sizeof(def_thread)); | |
1235 | ||
1236 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1237 | perror("sched_getaffinity"); | |
1238 | return 1; | |
1239 | } | |
1240 | ||
1241 | /* | |
ee738499 | 1242 | * fill default options |
ebac4655 | 1243 | */ |
ee738499 JA |
1244 | fill_default_options(&def_thread, options); |
1245 | ||
972cfd25 | 1246 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1247 | def_thread.write_bw_log = write_bw_log; |
1248 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1249 | |
ebac4655 JA |
1250 | #ifdef FIO_HAVE_DISK_UTIL |
1251 | def_thread.do_disk_util = 1; | |
1252 | #endif | |
1253 | ||
1254 | return 0; | |
1255 | } | |
1256 | ||
0ab8db89 | 1257 | static void usage(void) |
4785f995 JA |
1258 | { |
1259 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1260 | printf("\t--output\tWrite output to file\n"); |
1261 | printf("\t--timeout\tRuntime in seconds\n"); | |
1262 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1263 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1264 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1265 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1266 | printf("\t--help\t\tPrint this page\n"); |
1267 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1268 | } |
1269 | ||
972cfd25 | 1270 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1271 | { |
b4692828 | 1272 | struct thread_data *td = NULL; |
b1ec1da6 | 1273 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 1274 | |
0be06ea2 | 1275 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1276 | switch (c) { |
b4692828 JA |
1277 | case 't': |
1278 | def_timeout = atoi(optarg); | |
1279 | break; | |
1280 | case 'l': | |
1281 | write_lat_log = 1; | |
1282 | break; | |
1283 | case 'w': | |
1284 | write_bw_log = 1; | |
1285 | break; | |
1286 | case 'o': | |
1287 | f_out = fopen(optarg, "w+"); | |
1288 | if (!f_out) { | |
1289 | perror("fopen output"); | |
1290 | exit(1); | |
1291 | } | |
1292 | f_err = f_out; | |
1293 | break; | |
1294 | case 'm': | |
1295 | terse_output = 1; | |
1296 | break; | |
1297 | case 'h': | |
1298 | usage(); | |
1299 | exit(0); | |
fd28ca49 | 1300 | case 'c': |
29fc6afe JA |
1301 | ret = show_cmd_help(options, optarg); |
1302 | exit(ret); | |
b4692828 JA |
1303 | case 'v': |
1304 | printf("%s\n", fio_version_string); | |
1305 | exit(0); | |
1306 | case FIO_GETOPT_JOB: { | |
1307 | const char *opt = long_options[lidx].name; | |
1308 | char *val = optarg; | |
1309 | ||
c2b1e753 JA |
1310 | if (!strncmp(opt, "name", 4) && td) { |
1311 | ret = add_job(td, td->name ?: "fio", 0); | |
1312 | if (ret) { | |
1313 | put_job(td); | |
1314 | return 0; | |
1315 | } | |
1316 | td = NULL; | |
1317 | } | |
b4692828 | 1318 | if (!td) { |
38d0adb0 | 1319 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1320 | |
1321 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1322 | if (!td) |
1323 | return 0; | |
1324 | } | |
38d0adb0 | 1325 | |
b1508cf9 | 1326 | ret = parse_cmd_option(opt, val, options, td); |
78217dfa | 1327 | if (ret) |
b1ec1da6 | 1328 | dont_add_job = 1; |
b4692828 JA |
1329 | break; |
1330 | } | |
1331 | default: | |
b4692828 | 1332 | break; |
ebac4655 JA |
1333 | } |
1334 | } | |
c9fad893 | 1335 | |
b4692828 | 1336 | if (td) { |
b1ec1da6 | 1337 | if (dont_add_job) |
b4692828 | 1338 | put_job(td); |
b1ec1da6 JA |
1339 | else { |
1340 | ret = add_job(td, td->name ?: "fio", 0); | |
1341 | if (ret) | |
1342 | put_job(td); | |
1343 | } | |
972cfd25 | 1344 | } |
774a6177 | 1345 | |
b4692828 JA |
1346 | while (optind < argc) { |
1347 | ini_idx++; | |
1348 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1349 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1350 | optind++; | |
eb8bbf48 | 1351 | } |
972cfd25 JA |
1352 | |
1353 | return ini_idx; | |
ebac4655 JA |
1354 | } |
1355 | ||
1356 | static void free_shm(void) | |
1357 | { | |
1358 | struct shmid_ds sbuf; | |
1359 | ||
1360 | if (threads) { | |
2c0ecd28 | 1361 | shmdt((void *) threads); |
ebac4655 JA |
1362 | threads = NULL; |
1363 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1364 | } | |
1365 | } | |
1366 | ||
906c8d75 JA |
1367 | /* |
1368 | * The thread area is shared between the main process and the job | |
1369 | * threads/processes. So setup a shared memory segment that will hold | |
1370 | * all the job info. | |
1371 | */ | |
ebac4655 JA |
1372 | static int setup_thread_area(void) |
1373 | { | |
1374 | /* | |
1375 | * 1024 is too much on some machines, scale max_jobs if | |
1376 | * we get a failure that looks like too large a shm segment | |
1377 | */ | |
1378 | do { | |
906c8d75 | 1379 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1380 | |
906c8d75 | 1381 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1382 | if (shm_id != -1) |
1383 | break; | |
1384 | if (errno != EINVAL) { | |
1385 | perror("shmget"); | |
1386 | break; | |
1387 | } | |
1388 | ||
1389 | max_jobs >>= 1; | |
1390 | } while (max_jobs); | |
1391 | ||
1392 | if (shm_id == -1) | |
1393 | return 1; | |
1394 | ||
1395 | threads = shmat(shm_id, NULL, 0); | |
1396 | if (threads == (void *) -1) { | |
1397 | perror("shmat"); | |
1398 | return 1; | |
1399 | } | |
1400 | ||
1401 | atexit(free_shm); | |
1402 | return 0; | |
1403 | } | |
1404 | ||
b4692828 JA |
1405 | /* |
1406 | * Copy the fio options into the long options map, so we mirror | |
1407 | * job and cmd line options. | |
1408 | */ | |
1409 | static void dupe_job_options(void) | |
1410 | { | |
1411 | struct fio_option *o; | |
1412 | unsigned int i; | |
1413 | ||
1414 | i = 0; | |
1415 | while (long_options[i].name) | |
1416 | i++; | |
1417 | ||
1418 | o = &options[0]; | |
1419 | while (o->name) { | |
1420 | long_options[i].name = o->name; | |
1421 | long_options[i].val = FIO_GETOPT_JOB; | |
1422 | if (o->type == FIO_OPT_STR_SET) | |
1423 | long_options[i].has_arg = no_argument; | |
1424 | else | |
1425 | long_options[i].has_arg = required_argument; | |
1426 | ||
1427 | i++; | |
1428 | o++; | |
1429 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1430 | } | |
1431 | } | |
1432 | ||
ebac4655 JA |
1433 | int parse_options(int argc, char *argv[]) |
1434 | { | |
972cfd25 JA |
1435 | int job_files, i; |
1436 | ||
b4692828 JA |
1437 | f_out = stdout; |
1438 | f_err = stderr; | |
1439 | ||
13335ddb JA |
1440 | options_init(options); |
1441 | ||
b4692828 JA |
1442 | dupe_job_options(); |
1443 | ||
ebac4655 JA |
1444 | if (setup_thread_area()) |
1445 | return 1; | |
1446 | if (fill_def_thread()) | |
1447 | return 1; | |
1448 | ||
972cfd25 | 1449 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1450 | |
972cfd25 JA |
1451 | for (i = 0; i < job_files; i++) { |
1452 | if (fill_def_thread()) | |
1453 | return 1; | |
0c7e37a0 | 1454 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1455 | return 1; |
88c6ed80 | 1456 | free(ini_file[i]); |
972cfd25 | 1457 | } |
ebac4655 | 1458 | |
88c6ed80 | 1459 | free(ini_file); |
b4692828 JA |
1460 | |
1461 | if (!thread_number) { | |
1462 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1463 | return 1; |
1464 | } | |
1465 | ||
ebac4655 JA |
1466 | return 0; |
1467 | } |