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 *); | |
33 | ||
ee738499 JA |
34 | #define __stringify_1(x) #x |
35 | #define __stringify(x) __stringify_1(x) | |
36 | ||
e1f36503 JA |
37 | /* |
38 | * Map of job/command line options | |
39 | */ | |
40 | static struct fio_option options[] = { | |
61697c37 JA |
41 | { |
42 | .name = "description", | |
43 | .type = FIO_OPT_STR_STORE, | |
44 | .off1 = td_var_offset(description), | |
45 | .help = "Text job description", | |
46 | }, | |
e1f36503 JA |
47 | { |
48 | .name = "name", | |
49 | .type = FIO_OPT_STR_STORE, | |
50 | .off1 = td_var_offset(name), | |
fd28ca49 | 51 | .help = "Name of this job", |
e1f36503 JA |
52 | }, |
53 | { | |
54 | .name = "directory", | |
55 | .type = FIO_OPT_STR_STORE, | |
56 | .off1 = td_var_offset(directory), | |
fd28ca49 | 57 | .help = "Directory to store files in", |
e1f36503 JA |
58 | }, |
59 | { | |
60 | .name = "filename", | |
61 | .type = FIO_OPT_STR_STORE, | |
62 | .off1 = td_var_offset(filename), | |
fd28ca49 | 63 | .help = "Force the use of a specific file", |
e1f36503 JA |
64 | }, |
65 | { | |
66 | .name = "rw", | |
67 | .type = FIO_OPT_STR, | |
b1ec1da6 | 68 | .off1 = td_var_offset(td_ddir), |
15f7918f | 69 | .help = "IO direction", |
ee738499 | 70 | .def = "read", |
b1ec1da6 JA |
71 | .posval = { |
72 | { .ival = "read", .oval = TD_DDIR_READ }, | |
73 | { .ival = "write", .oval = TD_DDIR_WRITE }, | |
74 | { .ival = "randread", .oval = TD_DDIR_RANDREAD }, | |
75 | { .ival = "randwrite", .oval = TD_DDIR_RANDWRITE }, | |
76 | { .ival = "rw", .oval = TD_DDIR_RW }, | |
77 | { .ival = "randrw", .oval = TD_DDIR_RANDRW }, | |
78 | }, | |
e1f36503 JA |
79 | }, |
80 | { | |
81 | .name = "ioengine", | |
09629a90 JA |
82 | .type = FIO_OPT_STR_STORE, |
83 | .off1 = td_var_offset(ioengine), | |
15f7918f | 84 | .help = "IO engine to use", |
ee738499 | 85 | .def = "sync", |
b1ec1da6 | 86 | .posval = { |
10cad1aa JA |
87 | { .ival = "sync", }, |
88 | #ifdef FIO_HAVE_LIBAIO | |
89 | { .ival = "libaio", }, | |
90 | #endif | |
91 | #ifdef FIO_HAVE_POSIXAIO | |
92 | { .ival = "posixaio", }, | |
93 | #endif | |
94 | { .ival = "mmap", }, | |
95 | #ifdef FIO_HAVE_SPLICE | |
96 | { .ival = "splice", }, | |
97 | #endif | |
98 | #ifdef FIO_HAVE_SGIO | |
99 | { .ival = "sg", }, | |
100 | #endif | |
b1ec1da6 | 101 | { .ival = "null", }, { .ival = "net", }, |
10cad1aa | 102 | #ifdef FIO_HAVE_SYSLET |
b1ec1da6 | 103 | { .ival = "syslet-rw", }, |
10cad1aa | 104 | #endif |
ba0fbe10 | 105 | { .ival = "cpuio", }, |
7b395ca5 | 106 | { .ival = "external", }, |
b1ec1da6 | 107 | }, |
e1f36503 | 108 | }, |
03b74b3e JA |
109 | { |
110 | .name = "iodepth", | |
111 | .type = FIO_OPT_INT, | |
112 | .off1 = td_var_offset(iodepth), | |
113 | .help = "Amount of IO buffers to keep in flight", | |
114 | .def = "1", | |
115 | }, | |
cb5ab512 JA |
116 | { |
117 | .name = "iodepth_batch", | |
118 | .type = FIO_OPT_INT, | |
119 | .off1 = td_var_offset(iodepth_batch), | |
120 | .help = "Number of IO to submit in one go", | |
121 | }, | |
e916b390 JA |
122 | { |
123 | .name = "iodepth_low", | |
124 | .type = FIO_OPT_INT, | |
125 | .off1 = td_var_offset(iodepth_low), | |
126 | .help = "Low water mark for queuing depth", | |
127 | }, | |
03b74b3e JA |
128 | { |
129 | .name = "size", | |
130 | .type = FIO_OPT_STR_VAL, | |
131 | .off1 = td_var_offset(total_file_size), | |
132 | .help = "Size of device or file", | |
133 | }, | |
134 | { | |
135 | .name = "bs", | |
136 | .type = FIO_OPT_STR_VAL_INT, | |
137 | .off1 = td_var_offset(bs[DDIR_READ]), | |
138 | .off2 = td_var_offset(bs[DDIR_WRITE]), | |
139 | .help = "Block size unit", | |
140 | .def = "4k", | |
141 | }, | |
142 | { | |
143 | .name = "bsrange", | |
144 | .type = FIO_OPT_RANGE, | |
145 | .off1 = td_var_offset(min_bs[DDIR_READ]), | |
146 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
147 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), | |
148 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
149 | .help = "Set block size range (in more detail than bs)", | |
150 | }, | |
151 | { | |
152 | .name = "bs_unaligned", | |
153 | .type = FIO_OPT_STR_SET, | |
154 | .off1 = td_var_offset(bs_unaligned), | |
155 | .help = "Don't sector align IO buffer sizes", | |
156 | }, | |
157 | { | |
158 | .name = "offset", | |
159 | .type = FIO_OPT_STR_VAL, | |
160 | .off1 = td_var_offset(start_offset), | |
161 | .help = "Start IO from this offset", | |
162 | .def = "0", | |
163 | }, | |
164 | { | |
165 | .name = "randrepeat", | |
166 | .type = FIO_OPT_BOOL, | |
167 | .off1 = td_var_offset(rand_repeatable), | |
168 | .help = "Use repeatable random IO pattern", | |
169 | .def = "1", | |
170 | }, | |
171 | { | |
172 | .name = "norandommap", | |
173 | .type = FIO_OPT_STR_SET, | |
174 | .off1 = td_var_offset(norandommap), | |
175 | .help = "Accept potential duplicate random blocks", | |
176 | }, | |
177 | { | |
178 | .name = "nrfiles", | |
179 | .type = FIO_OPT_INT, | |
180 | .off1 = td_var_offset(nr_files), | |
181 | .help = "Split job workload between this number of files", | |
182 | .def = "1", | |
183 | }, | |
b5af8293 JA |
184 | { |
185 | .name = "openfiles", | |
186 | .type = FIO_OPT_INT, | |
187 | .off1 = td_var_offset(open_files), | |
188 | .help = "Number of files to keep open at the same time", | |
189 | }, | |
0aabe160 JA |
190 | { |
191 | .name = "file_service_type", | |
192 | .type = FIO_OPT_STR, | |
b1ec1da6 | 193 | .off1 = td_var_offset(file_service_type), |
0aabe160 JA |
194 | .help = "How to select which file to service next", |
195 | .def = "roundrobin", | |
b1ec1da6 JA |
196 | .posval = { |
197 | { .ival = "random", .oval = FIO_FSERVICE_RANDOM }, | |
198 | { .ival = "roundrobin", .oval = FIO_FSERVICE_RR }, | |
199 | }, | |
0aabe160 | 200 | }, |
03b74b3e JA |
201 | { |
202 | .name = "fsync", | |
203 | .type = FIO_OPT_INT, | |
204 | .off1 = td_var_offset(fsync_blocks), | |
205 | .help = "Issue fsync for writes every given number of blocks", | |
206 | .def = "0", | |
207 | }, | |
208 | { | |
209 | .name = "direct", | |
210 | .type = FIO_OPT_BOOL, | |
211 | .off1 = td_var_offset(odirect), | |
76a43db4 JA |
212 | .help = "Use O_DIRECT IO (negates buffered)", |
213 | .def = "0", | |
214 | }, | |
215 | { | |
216 | .name = "buffered", | |
217 | .type = FIO_OPT_BOOL, | |
218 | .off1 = td_var_offset(odirect), | |
219 | .neg = 1, | |
220 | .help = "Use buffered IO (negates direct)", | |
03b74b3e JA |
221 | .def = "1", |
222 | }, | |
223 | { | |
224 | .name = "overwrite", | |
225 | .type = FIO_OPT_BOOL, | |
226 | .off1 = td_var_offset(overwrite), | |
227 | .help = "When writing, set whether to overwrite current data", | |
228 | .def = "0", | |
229 | }, | |
230 | { | |
231 | .name = "loops", | |
232 | .type = FIO_OPT_INT, | |
233 | .off1 = td_var_offset(loops), | |
234 | .help = "Number of times to run the job", | |
235 | .def = "1", | |
236 | }, | |
237 | { | |
238 | .name = "numjobs", | |
239 | .type = FIO_OPT_INT, | |
240 | .off1 = td_var_offset(numjobs), | |
241 | .help = "Duplicate this job this many times", | |
242 | .def = "1", | |
243 | }, | |
244 | { | |
245 | .name = "startdelay", | |
246 | .type = FIO_OPT_INT, | |
247 | .off1 = td_var_offset(start_delay), | |
248 | .help = "Only start job when this period has passed", | |
249 | .def = "0", | |
250 | }, | |
251 | { | |
252 | .name = "runtime", | |
253 | .alias = "timeout", | |
254 | .type = FIO_OPT_STR_VAL_TIME, | |
255 | .off1 = td_var_offset(timeout), | |
256 | .help = "Stop workload when this amount of time has passed", | |
257 | .def = "0", | |
258 | }, | |
e1f36503 JA |
259 | { |
260 | .name = "mem", | |
261 | .type = FIO_OPT_STR, | |
262 | .cb = str_mem_cb, | |
b1ec1da6 | 263 | .off1 = td_var_offset(mem_type), |
15f7918f | 264 | .help = "Backing type for IO buffers", |
ee738499 | 265 | .def = "malloc", |
b1ec1da6 JA |
266 | .posval = { |
267 | { .ival = "malloc", .oval = MEM_MALLOC }, | |
268 | { .ival = "shm", .oval = MEM_SHM }, | |
269 | #ifdef FIO_HAVE_HUGETLB | |
270 | { .ival = "shmhuge", .oval = MEM_SHMHUGE }, | |
271 | #endif | |
272 | { .ival = "mmap", .oval = MEM_MMAP }, | |
273 | #ifdef FIO_HAVE_HUGETLB | |
274 | { .ival = "mmaphuge", .oval = MEM_MMAPHUGE }, | |
275 | #endif | |
276 | }, | |
e1f36503 JA |
277 | }, |
278 | { | |
279 | .name = "verify", | |
280 | .type = FIO_OPT_STR, | |
b1ec1da6 | 281 | .off1 = td_var_offset(verify), |
15f7918f | 282 | .help = "Verify sum function", |
ee738499 | 283 | .def = "0", |
b1ec1da6 JA |
284 | .posval = { |
285 | { .ival = "0", .oval = VERIFY_NONE }, | |
286 | { .ival = "crc32", .oval = VERIFY_CRC32 }, | |
287 | { .ival = "md5", .oval = VERIFY_MD5 }, | |
288 | }, | |
e1f36503 JA |
289 | }, |
290 | { | |
291 | .name = "write_iolog", | |
076efc7c JA |
292 | .type = FIO_OPT_STR_STORE, |
293 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 294 | .help = "Store IO pattern to file", |
e1f36503 JA |
295 | }, |
296 | { | |
076efc7c | 297 | .name = "read_iolog", |
e1f36503 | 298 | .type = FIO_OPT_STR_STORE, |
076efc7c | 299 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 300 | .help = "Playback IO pattern from file", |
e1f36503 JA |
301 | }, |
302 | { | |
303 | .name = "exec_prerun", | |
304 | .type = FIO_OPT_STR_STORE, | |
305 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 306 | .help = "Execute this file prior to running job", |
e1f36503 JA |
307 | }, |
308 | { | |
309 | .name = "exec_postrun", | |
310 | .type = FIO_OPT_STR_STORE, | |
311 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 312 | .help = "Execute this file after running job", |
e1f36503 JA |
313 | }, |
314 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
315 | { | |
316 | .name = "ioscheduler", | |
317 | .type = FIO_OPT_STR_STORE, | |
318 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 319 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
320 | }, |
321 | #endif | |
e1f36503 JA |
322 | { |
323 | .name = "zonesize", | |
324 | .type = FIO_OPT_STR_VAL, | |
325 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 326 | .help = "Give size of an IO zone", |
ee738499 | 327 | .def = "0", |
e1f36503 JA |
328 | }, |
329 | { | |
330 | .name = "zoneskip", | |
331 | .type = FIO_OPT_STR_VAL, | |
332 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 333 | .help = "Space between IO zones", |
ee738499 | 334 | .def = "0", |
e1f36503 JA |
335 | }, |
336 | { | |
337 | .name = "lockmem", | |
338 | .type = FIO_OPT_STR_VAL, | |
339 | .cb = str_lockmem_cb, | |
fd28ca49 | 340 | .help = "Lock down this amount of memory", |
ee738499 | 341 | .def = "0", |
e1f36503 | 342 | }, |
e1f36503 JA |
343 | { |
344 | .name = "rwmixcycle", | |
345 | .type = FIO_OPT_INT, | |
346 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
347 | .help = "Cycle period for mixed read/write workloads (msec)", |
348 | .def = "500", | |
e1f36503 JA |
349 | }, |
350 | { | |
351 | .name = "rwmixread", | |
352 | .type = FIO_OPT_INT, | |
353 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 354 | .maxval = 100, |
fd28ca49 | 355 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 356 | .def = "50", |
e1f36503 JA |
357 | }, |
358 | { | |
359 | .name = "rwmixwrite", | |
360 | .type = FIO_OPT_INT, | |
361 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 362 | .maxval = 100, |
fd28ca49 | 363 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 364 | .def = "50", |
e1f36503 JA |
365 | }, |
366 | { | |
367 | .name = "nice", | |
368 | .type = FIO_OPT_INT, | |
369 | .off1 = td_var_offset(nice), | |
fd28ca49 | 370 | .help = "Set job CPU nice value", |
15f7918f | 371 | .minval = -19, |
ee738499 JA |
372 | .maxval = 20, |
373 | .def = "0", | |
e1f36503 JA |
374 | }, |
375 | #ifdef FIO_HAVE_IOPRIO | |
376 | { | |
377 | .name = "prio", | |
378 | .type = FIO_OPT_INT, | |
379 | .cb = str_prio_cb, | |
fd28ca49 | 380 | .help = "Set job IO priority value", |
15f7918f JA |
381 | .minval = 0, |
382 | .maxval = 7, | |
e1f36503 JA |
383 | }, |
384 | { | |
385 | .name = "prioclass", | |
386 | .type = FIO_OPT_INT, | |
387 | .cb = str_prioclass_cb, | |
fd28ca49 | 388 | .help = "Set job IO priority class", |
15f7918f JA |
389 | .minval = 0, |
390 | .maxval = 3, | |
e1f36503 JA |
391 | }, |
392 | #endif | |
393 | { | |
394 | .name = "thinktime", | |
395 | .type = FIO_OPT_INT, | |
1304923a | 396 | .off1 = td_var_offset(thinktime), |
5fa0f817 | 397 | .help = "Idle time between IO buffers (usec)", |
ee738499 | 398 | .def = "0", |
e1f36503 | 399 | }, |
48097d5c JA |
400 | { |
401 | .name = "thinktime_spin", | |
402 | .type = FIO_OPT_INT, | |
403 | .off1 = td_var_offset(thinktime_spin), | |
34403fb1 | 404 | .help = "Start think time by spinning this amount (usec)", |
48097d5c JA |
405 | .def = "0", |
406 | }, | |
9c1f7434 JA |
407 | { |
408 | .name = "thinktime_blocks", | |
409 | .type = FIO_OPT_INT, | |
1304923a | 410 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 411 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 412 | .def = "1", |
9c1f7434 | 413 | }, |
e1f36503 JA |
414 | { |
415 | .name = "rate", | |
416 | .type = FIO_OPT_INT, | |
1304923a | 417 | .off1 = td_var_offset(rate), |
fd28ca49 | 418 | .help = "Set bandwidth rate", |
e1f36503 JA |
419 | }, |
420 | { | |
421 | .name = "ratemin", | |
422 | .type = FIO_OPT_INT, | |
1304923a | 423 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 424 | .help = "The bottom limit accepted", |
e1f36503 JA |
425 | }, |
426 | { | |
427 | .name = "ratecycle", | |
428 | .type = FIO_OPT_INT, | |
1304923a | 429 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 430 | .help = "Window average for rate limits (msec)", |
ee738499 | 431 | .def = "1000", |
e1f36503 | 432 | }, |
e1f36503 JA |
433 | { |
434 | .name = "invalidate", | |
13335ddb | 435 | .type = FIO_OPT_BOOL, |
1304923a | 436 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 437 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 438 | .def = "1", |
e1f36503 JA |
439 | }, |
440 | { | |
441 | .name = "sync", | |
13335ddb | 442 | .type = FIO_OPT_BOOL, |
1304923a | 443 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 444 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 445 | .def = "0", |
e1f36503 JA |
446 | }, |
447 | { | |
448 | .name = "bwavgtime", | |
449 | .type = FIO_OPT_INT, | |
1304923a | 450 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
451 | .help = "Time window over which to calculate bandwidth (msec)", |
452 | .def = "500", | |
e1f36503 JA |
453 | }, |
454 | { | |
455 | .name = "create_serialize", | |
13335ddb | 456 | .type = FIO_OPT_BOOL, |
1304923a | 457 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 458 | .help = "Serialize creating of job files", |
ee738499 | 459 | .def = "1", |
e1f36503 JA |
460 | }, |
461 | { | |
462 | .name = "create_fsync", | |
13335ddb | 463 | .type = FIO_OPT_BOOL, |
1304923a | 464 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 465 | .help = "Fsync file after creation", |
ee738499 | 466 | .def = "1", |
e1f36503 | 467 | }, |
e1f36503 JA |
468 | { |
469 | .name = "cpuload", | |
470 | .type = FIO_OPT_INT, | |
1304923a | 471 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 472 | .help = "Use this percentage of CPU", |
e1f36503 JA |
473 | }, |
474 | { | |
475 | .name = "cpuchunks", | |
476 | .type = FIO_OPT_INT, | |
1304923a | 477 | .off1 = td_var_offset(cpucycle), |
ba0fbe10 JA |
478 | .help = "Length of the CPU burn cycles (usecs)", |
479 | .def = "50000", | |
e1f36503 | 480 | }, |
e1f36503 JA |
481 | #ifdef FIO_HAVE_CPU_AFFINITY |
482 | { | |
483 | .name = "cpumask", | |
484 | .type = FIO_OPT_INT, | |
485 | .cb = str_cpumask_cb, | |
fd28ca49 | 486 | .help = "CPU affinity mask", |
e1f36503 JA |
487 | }, |
488 | #endif | |
489 | { | |
490 | .name = "end_fsync", | |
13335ddb | 491 | .type = FIO_OPT_BOOL, |
1304923a | 492 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 493 | .help = "Include fsync at the end of job", |
ee738499 | 494 | .def = "0", |
e1f36503 JA |
495 | }, |
496 | { | |
497 | .name = "unlink", | |
13335ddb | 498 | .type = FIO_OPT_BOOL, |
e1f36503 | 499 | .off1 = td_var_offset(unlink), |
ee738499 | 500 | .help = "Unlink created files after job has completed", |
e545a6ce | 501 | .def = "0", |
e1f36503 JA |
502 | }, |
503 | { | |
504 | .name = "exitall", | |
505 | .type = FIO_OPT_STR_SET, | |
506 | .cb = str_exitall_cb, | |
fd28ca49 | 507 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
508 | }, |
509 | { | |
510 | .name = "stonewall", | |
511 | .type = FIO_OPT_STR_SET, | |
512 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 513 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
514 | }, |
515 | { | |
516 | .name = "thread", | |
517 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 518 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 519 | .help = "Use threads instead of forks", |
e1f36503 JA |
520 | }, |
521 | { | |
522 | .name = "write_bw_log", | |
523 | .type = FIO_OPT_STR_SET, | |
524 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 525 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
526 | }, |
527 | { | |
528 | .name = "write_lat_log", | |
529 | .type = FIO_OPT_STR_SET, | |
530 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 531 | .help = "Write log of latency during run", |
e1f36503 | 532 | }, |
56bb17f2 JA |
533 | { |
534 | .name = "hugepage-size", | |
535 | .type = FIO_OPT_STR_VAL, | |
536 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 537 | .help = "When using hugepages, specify size of each page", |
ee738499 | 538 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 539 | }, |
b2560f3c JA |
540 | { |
541 | .name = "group_reporting", | |
542 | .type = FIO_OPT_STR_SET, | |
543 | .off1 = td_var_offset(group_reporting), | |
544 | .help = "Do reporting on a per-group basis", | |
545 | }, | |
e1f36503 JA |
546 | { |
547 | .name = NULL, | |
548 | }, | |
549 | }; | |
550 | ||
b4692828 JA |
551 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
552 | #define FIO_CMD_OPTS (16) | |
553 | #define FIO_GETOPT_JOB (0x89988998) | |
554 | ||
555 | /* | |
556 | * Command line options. These will contain the above, plus a few | |
557 | * extra that only pertain to fio itself and not jobs. | |
558 | */ | |
559 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
560 | { | |
561 | .name = "output", | |
562 | .has_arg = required_argument, | |
563 | .val = 'o', | |
564 | }, | |
565 | { | |
566 | .name = "timeout", | |
567 | .has_arg = required_argument, | |
568 | .val = 't', | |
569 | }, | |
570 | { | |
571 | .name = "latency-log", | |
572 | .has_arg = required_argument, | |
573 | .val = 'l', | |
574 | }, | |
575 | { | |
576 | .name = "bandwidth-log", | |
577 | .has_arg = required_argument, | |
578 | .val = 'b', | |
579 | }, | |
580 | { | |
581 | .name = "minimal", | |
582 | .has_arg = optional_argument, | |
583 | .val = 'm', | |
584 | }, | |
585 | { | |
586 | .name = "version", | |
587 | .has_arg = no_argument, | |
588 | .val = 'v', | |
589 | }, | |
fd28ca49 JA |
590 | { |
591 | .name = "help", | |
592 | .has_arg = no_argument, | |
593 | .val = 'h', | |
594 | }, | |
595 | { | |
596 | .name = "cmdhelp", | |
320beefe | 597 | .has_arg = optional_argument, |
fd28ca49 JA |
598 | .val = 'c', |
599 | }, | |
b4692828 JA |
600 | { |
601 | .name = NULL, | |
602 | }, | |
603 | }; | |
604 | ||
ee738499 | 605 | static int def_timeout = 0; |
972cfd25 | 606 | |
fdf3de27 | 607 | static char fio_version_string[] = "fio 1.13"; |
ebac4655 | 608 | |
972cfd25 | 609 | static char **ini_file; |
ebac4655 JA |
610 | static int max_jobs = MAX_JOBS; |
611 | ||
612 | struct thread_data def_thread; | |
613 | struct thread_data *threads = NULL; | |
614 | ||
ebac4655 | 615 | int exitall_on_terminate = 0; |
c6ae0a5b | 616 | int terse_output = 0; |
c04f7ec3 | 617 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
618 | FILE *f_out = NULL; |
619 | FILE *f_err = NULL; | |
ebac4655 | 620 | |
ee738499 | 621 | static int write_lat_log = 0; |
bb3884d8 | 622 | int write_bw_log = 0; |
ec94ec56 | 623 | |
9728ce37 JB |
624 | FILE *get_f_out() |
625 | { | |
626 | return f_out; | |
627 | } | |
628 | ||
629 | FILE *get_f_err() | |
630 | { | |
631 | return f_err; | |
632 | } | |
633 | ||
906c8d75 JA |
634 | /* |
635 | * Return a free job structure. | |
636 | */ | |
ebac4655 JA |
637 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
638 | { | |
639 | struct thread_data *td; | |
640 | ||
641 | if (global) | |
642 | return &def_thread; | |
643 | if (thread_number >= max_jobs) | |
644 | return NULL; | |
645 | ||
646 | td = &threads[thread_number++]; | |
ddaeaa5a | 647 | *td = *parent; |
ebac4655 | 648 | |
ebac4655 | 649 | td->thread_number = thread_number; |
ebac4655 JA |
650 | return td; |
651 | } | |
652 | ||
653 | static void put_job(struct thread_data *td) | |
654 | { | |
549577a7 JA |
655 | if (td == &def_thread) |
656 | return; | |
657 | ||
16edf25d JA |
658 | if (td->error) |
659 | fprintf(f_out, "fio: %s\n", td->verror); | |
660 | ||
ebac4655 JA |
661 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
662 | thread_number--; | |
663 | } | |
664 | ||
dad915e3 JA |
665 | /* |
666 | * Lazy way of fixing up options that depend on each other. We could also | |
667 | * define option callback handlers, but this is easier. | |
668 | */ | |
e1f36503 JA |
669 | static void fixup_options(struct thread_data *td) |
670 | { | |
e1f36503 JA |
671 | if (!td->rwmixread && td->rwmixwrite) |
672 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 673 | |
076efc7c JA |
674 | if (td->write_iolog_file && td->read_iolog_file) { |
675 | log_err("fio: read iolog overrides write_iolog\n"); | |
676 | free(td->write_iolog_file); | |
677 | td->write_iolog_file = NULL; | |
678 | } | |
16b462ae JA |
679 | |
680 | if (td->io_ops->flags & FIO_SYNCIO) | |
681 | td->iodepth = 1; | |
682 | else { | |
683 | if (!td->iodepth) | |
b5af8293 | 684 | td->iodepth = td->open_files; |
16b462ae JA |
685 | } |
686 | ||
687 | /* | |
688 | * only really works for sequential io for now, and with 1 file | |
689 | */ | |
b5af8293 | 690 | if (td->zone_size && td_random(td) && td->open_files == 1) |
16b462ae JA |
691 | td->zone_size = 0; |
692 | ||
693 | /* | |
694 | * Reads can do overwrites, we always need to pre-create the file | |
695 | */ | |
696 | if (td_read(td) || td_rw(td)) | |
697 | td->overwrite = 1; | |
698 | ||
a00735e6 JA |
699 | if (!td->min_bs[DDIR_READ]) |
700 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
701 | if (!td->max_bs[DDIR_READ]) | |
702 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
703 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 704 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 705 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 706 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
707 | |
708 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
709 | ||
16b462ae JA |
710 | if (td_read(td) && !td_rw(td)) |
711 | td->verify = 0; | |
bb8895e0 JA |
712 | |
713 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
714 | log_err("fio: norandommap given, verify disabled\n"); | |
715 | td->verify = VERIFY_NONE; | |
716 | } | |
690adba3 JA |
717 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
718 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
719 | |
720 | /* | |
721 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
722 | */ | |
723 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
724 | td->odirect = 0; | |
48097d5c JA |
725 | |
726 | /* | |
727 | * thinktime_spin must be less than thinktime | |
728 | */ | |
729 | if (td->thinktime_spin > td->thinktime) | |
730 | td->thinktime_spin = td->thinktime; | |
e916b390 JA |
731 | |
732 | /* | |
733 | * The low water mark cannot be bigger than the iodepth | |
734 | */ | |
9467b77c JA |
735 | if (td->iodepth_low > td->iodepth || !td->iodepth_low) { |
736 | /* | |
737 | * syslet work around - if the workload is sequential, | |
738 | * we want to let the queue drain all the way down to | |
739 | * avoid seeking between async threads | |
740 | */ | |
741 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
742 | td->iodepth_low = 1; | |
743 | else | |
744 | td->iodepth_low = td->iodepth; | |
745 | } | |
cb5ab512 JA |
746 | |
747 | /* | |
748 | * If batch number isn't set, default to the same as iodepth | |
749 | */ | |
750 | if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) | |
751 | td->iodepth_batch = td->iodepth; | |
b5af8293 JA |
752 | |
753 | if (td->open_files > td->nr_files || !td->open_files) | |
754 | td->open_files = td->nr_files; | |
e1f36503 JA |
755 | } |
756 | ||
f8977ee6 JA |
757 | /* |
758 | * This function leaks the buffer | |
759 | */ | |
760 | static char *to_kmg(unsigned int val) | |
761 | { | |
762 | char *buf = malloc(32); | |
f3502ba2 | 763 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
764 | char *p = post; |
765 | ||
245142ff | 766 | do { |
f8977ee6 JA |
767 | if (val & 1023) |
768 | break; | |
769 | ||
770 | val >>= 10; | |
771 | p++; | |
245142ff | 772 | } while (*p); |
f8977ee6 JA |
773 | |
774 | snprintf(buf, 31, "%u%c", val, *p); | |
775 | return buf; | |
776 | } | |
777 | ||
09629a90 JA |
778 | /* External engines are specified by "external:name.o") */ |
779 | static const char *get_engine_name(const char *str) | |
780 | { | |
781 | char *p = strstr(str, ":"); | |
782 | ||
783 | if (!p) | |
784 | return str; | |
785 | ||
786 | p++; | |
787 | strip_blank_front(&p); | |
788 | strip_blank_end(p); | |
789 | return p; | |
790 | } | |
791 | ||
906c8d75 JA |
792 | /* |
793 | * Adds a job to the list of things todo. Sanitizes the various options | |
794 | * to make sure we don't have conflicts, and initializes various | |
795 | * members of td. | |
796 | */ | |
75154845 | 797 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 798 | { |
413dd459 JA |
799 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
800 | "randread", "randwrite", "randrw" }; | |
ebac4655 | 801 | struct stat sb; |
413dd459 | 802 | int numjobs, i; |
53cdc686 | 803 | struct fio_file *f; |
09629a90 | 804 | const char *engine; |
ebac4655 | 805 | |
ebac4655 JA |
806 | /* |
807 | * the def_thread is just for options, it's not a real job | |
808 | */ | |
809 | if (td == &def_thread) | |
810 | return 0; | |
811 | ||
09629a90 JA |
812 | engine = get_engine_name(td->ioengine); |
813 | td->io_ops = load_ioengine(td, engine); | |
814 | if (!td->io_ops) { | |
815 | log_err("fio: failed to load engine %s\n", engine); | |
816 | return 1; | |
817 | } | |
df64119d | 818 | |
690adba3 JA |
819 | if (td->odirect) |
820 | td->io_ops->flags |= FIO_RAWIO; | |
821 | ||
ebac4655 | 822 | td->filetype = FIO_TYPE_FILE; |
890df538 | 823 | if (td->filename && !lstat(td->filename, &sb)) { |
0af7b542 JA |
824 | if (S_ISBLK(sb.st_mode)) |
825 | td->filetype = FIO_TYPE_BD; | |
826 | else if (S_ISCHR(sb.st_mode)) | |
827 | td->filetype = FIO_TYPE_CHAR; | |
828 | } | |
ebac4655 | 829 | |
e0a22335 JA |
830 | fixup_options(td); |
831 | ||
13f8e2d2 JA |
832 | if (td->filename) |
833 | td->nr_uniq_files = 1; | |
834 | else | |
0f14fef3 | 835 | td->nr_uniq_files = td->open_files; |
13f8e2d2 JA |
836 | |
837 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 838 | char tmp[PATH_MAX]; |
53cdc686 | 839 | int len = 0; |
e9c047a0 | 840 | |
16edf25d JA |
841 | if (td->directory && td->directory[0] != '\0') { |
842 | if (lstat(td->directory, &sb) < 0) { | |
843 | log_err("fio: %s is not a directory\n", td->directory); | |
e1161c32 | 844 | td_verror(td, errno, "lstat"); |
16edf25d JA |
845 | return 1; |
846 | } | |
847 | if (!S_ISDIR(sb.st_mode)) { | |
848 | log_err("fio: %s is not a directory\n", td->directory); | |
849 | return 1; | |
850 | } | |
8aeebd55 | 851 | len = sprintf(tmp, "%s/", td->directory); |
16edf25d | 852 | } |
ebac4655 | 853 | |
b5af8293 | 854 | td->files = malloc(sizeof(struct fio_file) * td->open_files); |
53cdc686 JA |
855 | |
856 | for_each_file(td, f, i) { | |
857 | memset(f, 0, sizeof(*f)); | |
858 | f->fd = -1; | |
859 | ||
13f8e2d2 JA |
860 | if (td->filename) |
861 | sprintf(tmp + len, "%s", td->filename); | |
862 | else | |
863 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
864 | f->file_name = strdup(tmp); |
865 | } | |
866 | } else { | |
b5af8293 | 867 | td->open_files = td->nr_files = 1; |
53cdc686 JA |
868 | td->files = malloc(sizeof(struct fio_file)); |
869 | f = &td->files[0]; | |
870 | ||
871 | memset(f, 0, sizeof(*f)); | |
872 | f->fd = -1; | |
873 | f->file_name = strdup(jobname); | |
874 | } | |
875 | ||
876 | for_each_file(td, f, i) { | |
877 | f->file_size = td->total_file_size / td->nr_files; | |
878 | f->file_offset = td->start_offset; | |
879 | } | |
880 | ||
07739b57 | 881 | td->mutex = fio_sem_init(0); |
ebac4655 | 882 | |
756867bd JA |
883 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
884 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
885 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 886 | |
ebac4655 JA |
887 | if (td->stonewall && td->thread_number > 1) |
888 | groupid++; | |
889 | ||
890 | td->groupid = groupid; | |
891 | ||
892 | if (setup_rate(td)) | |
893 | goto err; | |
894 | ||
ec94ec56 | 895 | if (td->write_lat_log) { |
756867bd JA |
896 | setup_log(&td->ts.slat_log); |
897 | setup_log(&td->ts.clat_log); | |
ebac4655 | 898 | } |
ec94ec56 | 899 | if (td->write_bw_log) |
756867bd | 900 | setup_log(&td->ts.bw_log); |
ebac4655 | 901 | |
b4692828 JA |
902 | if (!td->name) |
903 | td->name = strdup(jobname); | |
01452055 | 904 | |
c6ae0a5b | 905 | if (!terse_output) { |
b990b5c0 | 906 | if (!job_add_num) { |
ba0fbe10 | 907 | if (!strcmp(td->io_ops->name, "cpuio")) |
b990b5c0 | 908 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
909 | else { |
910 | char *c1, *c2, *c3, *c4; | |
911 | ||
912 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
913 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
914 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
915 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
916 | ||
413dd459 | 917 | 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 |
918 | |
919 | free(c1); | |
920 | free(c2); | |
921 | free(c3); | |
922 | free(c4); | |
923 | } | |
b990b5c0 | 924 | } else if (job_add_num == 1) |
c6ae0a5b JA |
925 | fprintf(f_out, "...\n"); |
926 | } | |
ebac4655 JA |
927 | |
928 | /* | |
929 | * recurse add identical jobs, clear numjobs and stonewall options | |
930 | * as they don't apply to sub-jobs | |
931 | */ | |
932 | numjobs = td->numjobs; | |
933 | while (--numjobs) { | |
934 | struct thread_data *td_new = get_new_job(0, td); | |
935 | ||
936 | if (!td_new) | |
937 | goto err; | |
938 | ||
939 | td_new->numjobs = 1; | |
940 | td_new->stonewall = 0; | |
75154845 | 941 | job_add_num = numjobs - 1; |
ebac4655 | 942 | |
75154845 | 943 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
944 | goto err; |
945 | } | |
946 | return 0; | |
947 | err: | |
948 | put_job(td); | |
949 | return -1; | |
950 | } | |
951 | ||
906c8d75 JA |
952 | /* |
953 | * Initialize the various random states we need (random io, block size ranges, | |
954 | * read/write mix, etc). | |
955 | */ | |
ebac4655 JA |
956 | int init_random_state(struct thread_data *td) |
957 | { | |
0aabe160 | 958 | unsigned long seeds[5]; |
53cdc686 | 959 | int fd, num_maps, blocks, i; |
0ab8db89 | 960 | struct fio_file *f; |
ebac4655 | 961 | |
ba0fbe10 | 962 | if (td->io_ops->flags & FIO_DISKLESSIO) |
f48b467c JA |
963 | return 0; |
964 | ||
1ac267bb | 965 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 | 966 | if (fd == -1) { |
e1161c32 | 967 | td_verror(td, errno, "open"); |
ebac4655 JA |
968 | return 1; |
969 | } | |
970 | ||
a6ccc7be | 971 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
e1161c32 | 972 | td_verror(td, EIO, "read"); |
ebac4655 JA |
973 | close(fd); |
974 | return 1; | |
975 | } | |
976 | ||
977 | close(fd); | |
978 | ||
6dfd46b9 JA |
979 | os_random_seed(seeds[0], &td->bsrange_state); |
980 | os_random_seed(seeds[1], &td->verify_state); | |
981 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 | 982 | |
413dd459 JA |
983 | if (td->file_service_type == FIO_FSERVICE_RANDOM) |
984 | os_random_seed(seeds[3], &td->next_file_state); | |
985 | ||
986 | if (!td_random(td)) | |
ebac4655 JA |
987 | return 0; |
988 | ||
9ebc27e1 | 989 | if (td->rand_repeatable) |
0aabe160 | 990 | seeds[4] = FIO_RANDSEED * td->thread_number; |
ebac4655 | 991 | |
bb8895e0 JA |
992 | if (!td->norandommap) { |
993 | for_each_file(td, f, i) { | |
a4a81712 | 994 | blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 995 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
996 | f->file_map = malloc(num_maps * sizeof(long)); |
997 | f->num_maps = num_maps; | |
998 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
999 | } | |
53cdc686 | 1000 | } |
ebac4655 | 1001 | |
0aabe160 | 1002 | os_random_seed(seeds[4], &td->random_state); |
ebac4655 JA |
1003 | return 0; |
1004 | } | |
1005 | ||
1006 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
1007 | { | |
1008 | #ifdef FIO_HAVE_CPU_AFFINITY | |
1009 | unsigned int i; | |
1010 | ||
1011 | CPU_ZERO(&cpumask); | |
1012 | ||
1013 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1014 | if ((1 << i) & cpu) | |
1015 | CPU_SET(i, &cpumask); | |
1016 | } | |
1017 | #endif | |
1018 | } | |
1019 | ||
ebac4655 JA |
1020 | static int is_empty_or_comment(char *line) |
1021 | { | |
1022 | unsigned int i; | |
1023 | ||
1024 | for (i = 0; i < strlen(line); i++) { | |
1025 | if (line[i] == ';') | |
1026 | return 1; | |
5cc2da30 IM |
1027 | if (line[i] == '#') |
1028 | return 1; | |
ebac4655 JA |
1029 | if (!isspace(line[i]) && !iscntrl(line[i])) |
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | return 1; | |
1034 | } | |
1035 | ||
313cb206 JA |
1036 | /* |
1037 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
1038 | */ | |
1039 | static char *get_mmap_file(const char *str) | |
1040 | { | |
1041 | char *p = strstr(str, ":"); | |
1042 | ||
1043 | if (!p) | |
1044 | return NULL; | |
1045 | ||
1046 | p++; | |
1047 | strip_blank_front(&p); | |
1048 | strip_blank_end(p); | |
1049 | return strdup(p); | |
1050 | } | |
1051 | ||
b4692828 | 1052 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 1053 | { |
cb2c86fd JA |
1054 | struct thread_data *td = data; |
1055 | ||
b1ec1da6 | 1056 | if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) { |
313cb206 | 1057 | td->mmapfile = get_mmap_file(mem); |
b1ec1da6 | 1058 | if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) { |
d0bdaf49 JA |
1059 | log_err("fio: mmaphuge:/path/to/file\n"); |
1060 | return 1; | |
1061 | } | |
ebac4655 JA |
1062 | } |
1063 | ||
b1ec1da6 | 1064 | return 0; |
ebac4655 JA |
1065 | } |
1066 | ||
e1f36503 JA |
1067 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
1068 | { | |
1069 | mlock_size = *val; | |
1070 | return 0; | |
1071 | } | |
1072 | ||
34cfcdaf | 1073 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1074 | static int str_prioclass_cb(void *data, unsigned int *val) |
1075 | { | |
1076 | struct thread_data *td = data; | |
1077 | ||
1078 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1079 | return 0; | |
1080 | } | |
1081 | ||
1082 | static int str_prio_cb(void *data, unsigned int *val) | |
1083 | { | |
1084 | struct thread_data *td = data; | |
1085 | ||
1086 | td->ioprio |= *val; | |
1087 | return 0; | |
1088 | } | |
34cfcdaf | 1089 | #endif |
e1f36503 JA |
1090 | |
1091 | static int str_exitall_cb(void) | |
1092 | { | |
1093 | exitall_on_terminate = 1; | |
1094 | return 0; | |
1095 | } | |
1096 | ||
1097 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1098 | { | |
1099 | struct thread_data *td = data; | |
1100 | ||
1101 | fill_cpu_mask(td->cpumask, *val); | |
1102 | return 0; | |
1103 | } | |
1104 | ||
07261983 JA |
1105 | /* |
1106 | * This is our [ini] type file parser. | |
1107 | */ | |
1e97cce9 | 1108 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1109 | { |
e1f36503 | 1110 | unsigned int global; |
ebac4655 | 1111 | struct thread_data *td; |
fee3bb48 | 1112 | char *string, *name; |
ebac4655 JA |
1113 | fpos_t off; |
1114 | FILE *f; | |
1115 | char *p; | |
0c7e37a0 | 1116 | int ret = 0, stonewall; |
ebac4655 JA |
1117 | |
1118 | f = fopen(file, "r"); | |
1119 | if (!f) { | |
aea47d44 | 1120 | perror("fopen job file"); |
ebac4655 JA |
1121 | return 1; |
1122 | } | |
1123 | ||
1124 | string = malloc(4096); | |
1125 | name = malloc(256); | |
fee3bb48 | 1126 | memset(name, 0, 256); |
ebac4655 | 1127 | |
0c7e37a0 | 1128 | stonewall = stonewall_flag; |
7c124ac1 JA |
1129 | do { |
1130 | p = fgets(string, 4095, f); | |
1131 | if (!p) | |
45410acb | 1132 | break; |
ebac4655 JA |
1133 | if (is_empty_or_comment(p)) |
1134 | continue; | |
fee3bb48 | 1135 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1136 | continue; |
1137 | ||
1138 | global = !strncmp(name, "global", 6); | |
1139 | ||
1140 | name[strlen(name) - 1] = '\0'; | |
1141 | ||
1142 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1143 | if (!td) { |
1144 | ret = 1; | |
1145 | break; | |
1146 | } | |
ebac4655 | 1147 | |
972cfd25 JA |
1148 | /* |
1149 | * Seperate multiple job files by a stonewall | |
1150 | */ | |
f9481919 | 1151 | if (!global && stonewall) { |
972cfd25 JA |
1152 | td->stonewall = stonewall; |
1153 | stonewall = 0; | |
1154 | } | |
1155 | ||
ebac4655 JA |
1156 | fgetpos(f, &off); |
1157 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1158 | if (is_empty_or_comment(p)) | |
1159 | continue; | |
e1f36503 | 1160 | |
b6754f9d | 1161 | strip_blank_front(&p); |
7c124ac1 JA |
1162 | |
1163 | if (p[0] == '[') | |
1164 | break; | |
1165 | ||
4ae3f763 | 1166 | strip_blank_end(p); |
aea47d44 | 1167 | |
e1f36503 | 1168 | fgetpos(f, &off); |
ebac4655 | 1169 | |
45410acb JA |
1170 | /* |
1171 | * Don't break here, continue parsing options so we | |
1172 | * dump all the bad ones. Makes trial/error fixups | |
1173 | * easier on the user. | |
1174 | */ | |
7c124ac1 | 1175 | ret |= parse_option(p, options, td); |
ebac4655 | 1176 | } |
ebac4655 | 1177 | |
45410acb JA |
1178 | if (!ret) { |
1179 | fsetpos(f, &off); | |
1180 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1181 | } else { |
1182 | log_err("fio: job %s dropped\n", name); | |
1183 | put_job(td); | |
45410acb | 1184 | } |
7c124ac1 | 1185 | } while (!ret); |
ebac4655 JA |
1186 | |
1187 | free(string); | |
1188 | free(name); | |
1189 | fclose(f); | |
45410acb | 1190 | return ret; |
ebac4655 JA |
1191 | } |
1192 | ||
1193 | static int fill_def_thread(void) | |
1194 | { | |
1195 | memset(&def_thread, 0, sizeof(def_thread)); | |
1196 | ||
1197 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1198 | perror("sched_getaffinity"); | |
1199 | return 1; | |
1200 | } | |
1201 | ||
1202 | /* | |
ee738499 | 1203 | * fill default options |
ebac4655 | 1204 | */ |
ee738499 JA |
1205 | fill_default_options(&def_thread, options); |
1206 | ||
972cfd25 | 1207 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1208 | def_thread.write_bw_log = write_bw_log; |
1209 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1210 | |
ebac4655 JA |
1211 | #ifdef FIO_HAVE_DISK_UTIL |
1212 | def_thread.do_disk_util = 1; | |
1213 | #endif | |
1214 | ||
1215 | return 0; | |
1216 | } | |
1217 | ||
0ab8db89 | 1218 | static void usage(void) |
4785f995 JA |
1219 | { |
1220 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1221 | printf("\t--output\tWrite output to file\n"); |
1222 | printf("\t--timeout\tRuntime in seconds\n"); | |
1223 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1224 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1225 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1226 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1227 | printf("\t--help\t\tPrint this page\n"); |
1228 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1229 | } |
1230 | ||
972cfd25 | 1231 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1232 | { |
b4692828 | 1233 | struct thread_data *td = NULL; |
b1ec1da6 | 1234 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 1235 | |
0be06ea2 | 1236 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1237 | switch (c) { |
b4692828 JA |
1238 | case 't': |
1239 | def_timeout = atoi(optarg); | |
1240 | break; | |
1241 | case 'l': | |
1242 | write_lat_log = 1; | |
1243 | break; | |
1244 | case 'w': | |
1245 | write_bw_log = 1; | |
1246 | break; | |
1247 | case 'o': | |
1248 | f_out = fopen(optarg, "w+"); | |
1249 | if (!f_out) { | |
1250 | perror("fopen output"); | |
1251 | exit(1); | |
1252 | } | |
1253 | f_err = f_out; | |
1254 | break; | |
1255 | case 'm': | |
1256 | terse_output = 1; | |
1257 | break; | |
1258 | case 'h': | |
1259 | usage(); | |
1260 | exit(0); | |
fd28ca49 | 1261 | case 'c': |
29fc6afe JA |
1262 | ret = show_cmd_help(options, optarg); |
1263 | exit(ret); | |
b4692828 JA |
1264 | case 'v': |
1265 | printf("%s\n", fio_version_string); | |
1266 | exit(0); | |
1267 | case FIO_GETOPT_JOB: { | |
1268 | const char *opt = long_options[lidx].name; | |
1269 | char *val = optarg; | |
1270 | ||
c2b1e753 JA |
1271 | if (!strncmp(opt, "name", 4) && td) { |
1272 | ret = add_job(td, td->name ?: "fio", 0); | |
1273 | if (ret) { | |
1274 | put_job(td); | |
1275 | return 0; | |
1276 | } | |
1277 | td = NULL; | |
1278 | } | |
b4692828 | 1279 | if (!td) { |
38d0adb0 | 1280 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1281 | |
1282 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1283 | if (!td) |
1284 | return 0; | |
1285 | } | |
38d0adb0 | 1286 | |
b1508cf9 | 1287 | ret = parse_cmd_option(opt, val, options, td); |
78217dfa | 1288 | if (ret) |
b1ec1da6 | 1289 | dont_add_job = 1; |
b4692828 JA |
1290 | break; |
1291 | } | |
1292 | default: | |
b4692828 | 1293 | break; |
ebac4655 JA |
1294 | } |
1295 | } | |
c9fad893 | 1296 | |
b4692828 | 1297 | if (td) { |
b1ec1da6 | 1298 | if (dont_add_job) |
b4692828 | 1299 | put_job(td); |
b1ec1da6 JA |
1300 | else { |
1301 | ret = add_job(td, td->name ?: "fio", 0); | |
1302 | if (ret) | |
1303 | put_job(td); | |
1304 | } | |
972cfd25 | 1305 | } |
774a6177 | 1306 | |
b4692828 JA |
1307 | while (optind < argc) { |
1308 | ini_idx++; | |
1309 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1310 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1311 | optind++; | |
eb8bbf48 | 1312 | } |
972cfd25 JA |
1313 | |
1314 | return ini_idx; | |
ebac4655 JA |
1315 | } |
1316 | ||
1317 | static void free_shm(void) | |
1318 | { | |
1319 | struct shmid_ds sbuf; | |
1320 | ||
1321 | if (threads) { | |
2c0ecd28 | 1322 | shmdt((void *) threads); |
ebac4655 JA |
1323 | threads = NULL; |
1324 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1325 | } | |
1326 | } | |
1327 | ||
906c8d75 JA |
1328 | /* |
1329 | * The thread area is shared between the main process and the job | |
1330 | * threads/processes. So setup a shared memory segment that will hold | |
1331 | * all the job info. | |
1332 | */ | |
ebac4655 JA |
1333 | static int setup_thread_area(void) |
1334 | { | |
1335 | /* | |
1336 | * 1024 is too much on some machines, scale max_jobs if | |
1337 | * we get a failure that looks like too large a shm segment | |
1338 | */ | |
1339 | do { | |
906c8d75 | 1340 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1341 | |
906c8d75 | 1342 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1343 | if (shm_id != -1) |
1344 | break; | |
1345 | if (errno != EINVAL) { | |
1346 | perror("shmget"); | |
1347 | break; | |
1348 | } | |
1349 | ||
1350 | max_jobs >>= 1; | |
1351 | } while (max_jobs); | |
1352 | ||
1353 | if (shm_id == -1) | |
1354 | return 1; | |
1355 | ||
1356 | threads = shmat(shm_id, NULL, 0); | |
1357 | if (threads == (void *) -1) { | |
1358 | perror("shmat"); | |
1359 | return 1; | |
1360 | } | |
1361 | ||
1362 | atexit(free_shm); | |
1363 | return 0; | |
1364 | } | |
1365 | ||
b4692828 JA |
1366 | /* |
1367 | * Copy the fio options into the long options map, so we mirror | |
1368 | * job and cmd line options. | |
1369 | */ | |
1370 | static void dupe_job_options(void) | |
1371 | { | |
1372 | struct fio_option *o; | |
1373 | unsigned int i; | |
1374 | ||
1375 | i = 0; | |
1376 | while (long_options[i].name) | |
1377 | i++; | |
1378 | ||
1379 | o = &options[0]; | |
1380 | while (o->name) { | |
1381 | long_options[i].name = o->name; | |
1382 | long_options[i].val = FIO_GETOPT_JOB; | |
1383 | if (o->type == FIO_OPT_STR_SET) | |
1384 | long_options[i].has_arg = no_argument; | |
1385 | else | |
1386 | long_options[i].has_arg = required_argument; | |
1387 | ||
1388 | i++; | |
1389 | o++; | |
1390 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1391 | } | |
1392 | } | |
1393 | ||
ebac4655 JA |
1394 | int parse_options(int argc, char *argv[]) |
1395 | { | |
972cfd25 JA |
1396 | int job_files, i; |
1397 | ||
b4692828 JA |
1398 | f_out = stdout; |
1399 | f_err = stderr; | |
1400 | ||
13335ddb JA |
1401 | options_init(options); |
1402 | ||
b4692828 JA |
1403 | dupe_job_options(); |
1404 | ||
ebac4655 JA |
1405 | if (setup_thread_area()) |
1406 | return 1; | |
1407 | if (fill_def_thread()) | |
1408 | return 1; | |
1409 | ||
972cfd25 | 1410 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1411 | |
972cfd25 JA |
1412 | for (i = 0; i < job_files; i++) { |
1413 | if (fill_def_thread()) | |
1414 | return 1; | |
0c7e37a0 | 1415 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1416 | return 1; |
88c6ed80 | 1417 | free(ini_file[i]); |
972cfd25 | 1418 | } |
ebac4655 | 1419 | |
88c6ed80 | 1420 | free(ini_file); |
b4692828 JA |
1421 | |
1422 | if (!thread_number) { | |
1423 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1424 | return 1; |
1425 | } | |
1426 | ||
ebac4655 JA |
1427 | return 0; |
1428 | } |