Commit | Line | Data |
---|---|---|
906c8d75 | 1 | /* |
cb2c86fd | 2 | * This file contains job initialization and setup functions. |
906c8d75 | 3 | */ |
ebac4655 JA |
4 | #include <stdio.h> |
5 | #include <stdlib.h> | |
6 | #include <unistd.h> | |
7 | #include <fcntl.h> | |
8 | #include <ctype.h> | |
9 | #include <string.h> | |
10 | #include <errno.h> | |
b4692828 JA |
11 | #include <getopt.h> |
12 | #include <assert.h> | |
ebac4655 JA |
13 | #include <sys/ipc.h> |
14 | #include <sys/shm.h> | |
15 | #include <sys/types.h> | |
16 | #include <sys/stat.h> | |
17 | ||
18 | #include "fio.h" | |
cb2c86fd | 19 | #include "parse.h" |
ebac4655 | 20 | |
ee738499 | 21 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 22 | |
e1f36503 JA |
23 | #define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) |
24 | ||
b4692828 JA |
25 | static int str_ioengine_cb(void *, const char *); |
26 | static int str_mem_cb(void *, const char *); | |
e1f36503 | 27 | static int str_lockmem_cb(void *, unsigned long *); |
34cfcdaf | 28 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
29 | static int str_prio_cb(void *, unsigned int *); |
30 | static int str_prioclass_cb(void *, unsigned int *); | |
34cfcdaf | 31 | #endif |
e1f36503 JA |
32 | static int str_exitall_cb(void); |
33 | static int str_cpumask_cb(void *, unsigned int *); | |
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", | |
83 | .type = FIO_OPT_STR, | |
84 | .cb = str_ioengine_cb, | |
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 |
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), |
fd28ca49 | 478 | .help = "Length of the CPU burn cycles", |
e1f36503 | 479 | }, |
e1f36503 JA |
480 | #ifdef FIO_HAVE_CPU_AFFINITY |
481 | { | |
482 | .name = "cpumask", | |
483 | .type = FIO_OPT_INT, | |
484 | .cb = str_cpumask_cb, | |
fd28ca49 | 485 | .help = "CPU affinity mask", |
e1f36503 JA |
486 | }, |
487 | #endif | |
488 | { | |
489 | .name = "end_fsync", | |
13335ddb | 490 | .type = FIO_OPT_BOOL, |
1304923a | 491 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 492 | .help = "Include fsync at the end of job", |
ee738499 | 493 | .def = "0", |
e1f36503 JA |
494 | }, |
495 | { | |
496 | .name = "unlink", | |
13335ddb | 497 | .type = FIO_OPT_BOOL, |
e1f36503 | 498 | .off1 = td_var_offset(unlink), |
ee738499 | 499 | .help = "Unlink created files after job has completed", |
e545a6ce | 500 | .def = "0", |
e1f36503 JA |
501 | }, |
502 | { | |
503 | .name = "exitall", | |
504 | .type = FIO_OPT_STR_SET, | |
505 | .cb = str_exitall_cb, | |
fd28ca49 | 506 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
507 | }, |
508 | { | |
509 | .name = "stonewall", | |
510 | .type = FIO_OPT_STR_SET, | |
511 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 512 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
513 | }, |
514 | { | |
515 | .name = "thread", | |
516 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 517 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 518 | .help = "Use threads instead of forks", |
e1f36503 JA |
519 | }, |
520 | { | |
521 | .name = "write_bw_log", | |
522 | .type = FIO_OPT_STR_SET, | |
523 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 524 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
525 | }, |
526 | { | |
527 | .name = "write_lat_log", | |
528 | .type = FIO_OPT_STR_SET, | |
529 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 530 | .help = "Write log of latency during run", |
e1f36503 | 531 | }, |
56bb17f2 JA |
532 | { |
533 | .name = "hugepage-size", | |
534 | .type = FIO_OPT_STR_VAL, | |
535 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 536 | .help = "When using hugepages, specify size of each page", |
ee738499 | 537 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 538 | }, |
b2560f3c JA |
539 | { |
540 | .name = "group_reporting", | |
541 | .type = FIO_OPT_STR_SET, | |
542 | .off1 = td_var_offset(group_reporting), | |
543 | .help = "Do reporting on a per-group basis", | |
544 | }, | |
e1f36503 JA |
545 | { |
546 | .name = NULL, | |
547 | }, | |
548 | }; | |
549 | ||
b4692828 JA |
550 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
551 | #define FIO_CMD_OPTS (16) | |
552 | #define FIO_GETOPT_JOB (0x89988998) | |
553 | ||
554 | /* | |
555 | * Command line options. These will contain the above, plus a few | |
556 | * extra that only pertain to fio itself and not jobs. | |
557 | */ | |
558 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
559 | { | |
560 | .name = "output", | |
561 | .has_arg = required_argument, | |
562 | .val = 'o', | |
563 | }, | |
564 | { | |
565 | .name = "timeout", | |
566 | .has_arg = required_argument, | |
567 | .val = 't', | |
568 | }, | |
569 | { | |
570 | .name = "latency-log", | |
571 | .has_arg = required_argument, | |
572 | .val = 'l', | |
573 | }, | |
574 | { | |
575 | .name = "bandwidth-log", | |
576 | .has_arg = required_argument, | |
577 | .val = 'b', | |
578 | }, | |
579 | { | |
580 | .name = "minimal", | |
581 | .has_arg = optional_argument, | |
582 | .val = 'm', | |
583 | }, | |
584 | { | |
585 | .name = "version", | |
586 | .has_arg = no_argument, | |
587 | .val = 'v', | |
588 | }, | |
fd28ca49 JA |
589 | { |
590 | .name = "help", | |
591 | .has_arg = no_argument, | |
592 | .val = 'h', | |
593 | }, | |
594 | { | |
595 | .name = "cmdhelp", | |
320beefe | 596 | .has_arg = optional_argument, |
fd28ca49 JA |
597 | .val = 'c', |
598 | }, | |
b4692828 JA |
599 | { |
600 | .name = NULL, | |
601 | }, | |
602 | }; | |
603 | ||
ee738499 | 604 | static int def_timeout = 0; |
972cfd25 | 605 | |
fdf3de27 | 606 | static char fio_version_string[] = "fio 1.13"; |
ebac4655 | 607 | |
972cfd25 | 608 | static char **ini_file; |
ebac4655 JA |
609 | static int max_jobs = MAX_JOBS; |
610 | ||
611 | struct thread_data def_thread; | |
612 | struct thread_data *threads = NULL; | |
613 | ||
ebac4655 | 614 | int exitall_on_terminate = 0; |
c6ae0a5b | 615 | int terse_output = 0; |
c04f7ec3 | 616 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
617 | FILE *f_out = NULL; |
618 | FILE *f_err = NULL; | |
ebac4655 | 619 | |
ee738499 | 620 | static int write_lat_log = 0; |
bb3884d8 | 621 | int write_bw_log = 0; |
ec94ec56 | 622 | |
9728ce37 JB |
623 | FILE *get_f_out() |
624 | { | |
625 | return f_out; | |
626 | } | |
627 | ||
628 | FILE *get_f_err() | |
629 | { | |
630 | return f_err; | |
631 | } | |
632 | ||
906c8d75 JA |
633 | /* |
634 | * Return a free job structure. | |
635 | */ | |
ebac4655 JA |
636 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
637 | { | |
638 | struct thread_data *td; | |
639 | ||
640 | if (global) | |
641 | return &def_thread; | |
642 | if (thread_number >= max_jobs) | |
643 | return NULL; | |
644 | ||
645 | td = &threads[thread_number++]; | |
ddaeaa5a | 646 | *td = *parent; |
ebac4655 | 647 | |
ebac4655 | 648 | td->thread_number = thread_number; |
ebac4655 JA |
649 | return td; |
650 | } | |
651 | ||
652 | static void put_job(struct thread_data *td) | |
653 | { | |
549577a7 JA |
654 | if (td == &def_thread) |
655 | return; | |
656 | ||
16edf25d JA |
657 | if (td->error) |
658 | fprintf(f_out, "fio: %s\n", td->verror); | |
659 | ||
ebac4655 JA |
660 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
661 | thread_number--; | |
662 | } | |
663 | ||
dad915e3 JA |
664 | /* |
665 | * Lazy way of fixing up options that depend on each other. We could also | |
666 | * define option callback handlers, but this is easier. | |
667 | */ | |
e1f36503 JA |
668 | static void fixup_options(struct thread_data *td) |
669 | { | |
e1f36503 JA |
670 | if (!td->rwmixread && td->rwmixwrite) |
671 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 672 | |
076efc7c JA |
673 | if (td->write_iolog_file && td->read_iolog_file) { |
674 | log_err("fio: read iolog overrides write_iolog\n"); | |
675 | free(td->write_iolog_file); | |
676 | td->write_iolog_file = NULL; | |
677 | } | |
16b462ae JA |
678 | |
679 | if (td->io_ops->flags & FIO_SYNCIO) | |
680 | td->iodepth = 1; | |
681 | else { | |
682 | if (!td->iodepth) | |
b5af8293 | 683 | td->iodepth = td->open_files; |
16b462ae JA |
684 | } |
685 | ||
686 | /* | |
687 | * only really works for sequential io for now, and with 1 file | |
688 | */ | |
b5af8293 | 689 | if (td->zone_size && td_random(td) && td->open_files == 1) |
16b462ae JA |
690 | td->zone_size = 0; |
691 | ||
692 | /* | |
693 | * Reads can do overwrites, we always need to pre-create the file | |
694 | */ | |
695 | if (td_read(td) || td_rw(td)) | |
696 | td->overwrite = 1; | |
697 | ||
a00735e6 JA |
698 | if (!td->min_bs[DDIR_READ]) |
699 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
700 | if (!td->max_bs[DDIR_READ]) | |
701 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
702 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 703 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 704 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 705 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
706 | |
707 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
708 | ||
16b462ae JA |
709 | if (td_read(td) && !td_rw(td)) |
710 | td->verify = 0; | |
bb8895e0 JA |
711 | |
712 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
713 | log_err("fio: norandommap given, verify disabled\n"); | |
714 | td->verify = VERIFY_NONE; | |
715 | } | |
690adba3 JA |
716 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
717 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
718 | |
719 | /* | |
720 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
721 | */ | |
722 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
723 | td->odirect = 0; | |
48097d5c JA |
724 | |
725 | /* | |
726 | * thinktime_spin must be less than thinktime | |
727 | */ | |
728 | if (td->thinktime_spin > td->thinktime) | |
729 | td->thinktime_spin = td->thinktime; | |
e916b390 JA |
730 | |
731 | /* | |
732 | * The low water mark cannot be bigger than the iodepth | |
733 | */ | |
9467b77c JA |
734 | if (td->iodepth_low > td->iodepth || !td->iodepth_low) { |
735 | /* | |
736 | * syslet work around - if the workload is sequential, | |
737 | * we want to let the queue drain all the way down to | |
738 | * avoid seeking between async threads | |
739 | */ | |
740 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
741 | td->iodepth_low = 1; | |
742 | else | |
743 | td->iodepth_low = td->iodepth; | |
744 | } | |
cb5ab512 JA |
745 | |
746 | /* | |
747 | * If batch number isn't set, default to the same as iodepth | |
748 | */ | |
749 | if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) | |
750 | td->iodepth_batch = td->iodepth; | |
b5af8293 JA |
751 | |
752 | if (td->open_files > td->nr_files || !td->open_files) | |
753 | td->open_files = td->nr_files; | |
e1f36503 JA |
754 | } |
755 | ||
f8977ee6 JA |
756 | /* |
757 | * This function leaks the buffer | |
758 | */ | |
759 | static char *to_kmg(unsigned int val) | |
760 | { | |
761 | char *buf = malloc(32); | |
f3502ba2 | 762 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
763 | char *p = post; |
764 | ||
245142ff | 765 | do { |
f8977ee6 JA |
766 | if (val & 1023) |
767 | break; | |
768 | ||
769 | val >>= 10; | |
770 | p++; | |
245142ff | 771 | } while (*p); |
f8977ee6 JA |
772 | |
773 | snprintf(buf, 31, "%u%c", val, *p); | |
774 | return buf; | |
775 | } | |
776 | ||
906c8d75 JA |
777 | /* |
778 | * Adds a job to the list of things todo. Sanitizes the various options | |
779 | * to make sure we don't have conflicts, and initializes various | |
780 | * members of td. | |
781 | */ | |
75154845 | 782 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 783 | { |
413dd459 JA |
784 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
785 | "randread", "randwrite", "randrw" }; | |
ebac4655 | 786 | struct stat sb; |
413dd459 | 787 | int numjobs, i; |
53cdc686 | 788 | struct fio_file *f; |
ebac4655 | 789 | |
ebac4655 JA |
790 | /* |
791 | * the def_thread is just for options, it's not a real job | |
792 | */ | |
793 | if (td == &def_thread) | |
794 | return 0; | |
795 | ||
ee738499 | 796 | assert(td->io_ops); |
df64119d | 797 | |
690adba3 JA |
798 | if (td->odirect) |
799 | td->io_ops->flags |= FIO_RAWIO; | |
800 | ||
ebac4655 | 801 | td->filetype = FIO_TYPE_FILE; |
890df538 | 802 | if (td->filename && !lstat(td->filename, &sb)) { |
0af7b542 JA |
803 | if (S_ISBLK(sb.st_mode)) |
804 | td->filetype = FIO_TYPE_BD; | |
805 | else if (S_ISCHR(sb.st_mode)) | |
806 | td->filetype = FIO_TYPE_CHAR; | |
807 | } | |
ebac4655 | 808 | |
e0a22335 JA |
809 | fixup_options(td); |
810 | ||
13f8e2d2 JA |
811 | if (td->filename) |
812 | td->nr_uniq_files = 1; | |
813 | else | |
0f14fef3 | 814 | td->nr_uniq_files = td->open_files; |
13f8e2d2 JA |
815 | |
816 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 817 | char tmp[PATH_MAX]; |
53cdc686 | 818 | int len = 0; |
e9c047a0 | 819 | |
16edf25d JA |
820 | if (td->directory && td->directory[0] != '\0') { |
821 | if (lstat(td->directory, &sb) < 0) { | |
822 | log_err("fio: %s is not a directory\n", td->directory); | |
e1161c32 | 823 | td_verror(td, errno, "lstat"); |
16edf25d JA |
824 | return 1; |
825 | } | |
826 | if (!S_ISDIR(sb.st_mode)) { | |
827 | log_err("fio: %s is not a directory\n", td->directory); | |
828 | return 1; | |
829 | } | |
8aeebd55 | 830 | len = sprintf(tmp, "%s/", td->directory); |
16edf25d | 831 | } |
ebac4655 | 832 | |
b5af8293 | 833 | td->files = malloc(sizeof(struct fio_file) * td->open_files); |
53cdc686 JA |
834 | |
835 | for_each_file(td, f, i) { | |
836 | memset(f, 0, sizeof(*f)); | |
837 | f->fd = -1; | |
838 | ||
13f8e2d2 JA |
839 | if (td->filename) |
840 | sprintf(tmp + len, "%s", td->filename); | |
841 | else | |
842 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
843 | f->file_name = strdup(tmp); |
844 | } | |
845 | } else { | |
b5af8293 | 846 | td->open_files = td->nr_files = 1; |
53cdc686 JA |
847 | td->files = malloc(sizeof(struct fio_file)); |
848 | f = &td->files[0]; | |
849 | ||
850 | memset(f, 0, sizeof(*f)); | |
851 | f->fd = -1; | |
852 | f->file_name = strdup(jobname); | |
853 | } | |
854 | ||
855 | for_each_file(td, f, i) { | |
856 | f->file_size = td->total_file_size / td->nr_files; | |
857 | f->file_offset = td->start_offset; | |
858 | } | |
859 | ||
bbfd6b00 | 860 | fio_sem_init(&td->mutex, 0); |
ebac4655 | 861 | |
756867bd JA |
862 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
863 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
864 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 865 | |
ebac4655 JA |
866 | if (td->stonewall && td->thread_number > 1) |
867 | groupid++; | |
868 | ||
869 | td->groupid = groupid; | |
870 | ||
871 | if (setup_rate(td)) | |
872 | goto err; | |
873 | ||
ec94ec56 | 874 | if (td->write_lat_log) { |
756867bd JA |
875 | setup_log(&td->ts.slat_log); |
876 | setup_log(&td->ts.clat_log); | |
ebac4655 | 877 | } |
ec94ec56 | 878 | if (td->write_bw_log) |
756867bd | 879 | setup_log(&td->ts.bw_log); |
ebac4655 | 880 | |
b4692828 JA |
881 | if (!td->name) |
882 | td->name = strdup(jobname); | |
01452055 | 883 | |
c6ae0a5b | 884 | if (!terse_output) { |
b990b5c0 | 885 | if (!job_add_num) { |
2866c82d | 886 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 | 887 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
888 | else { |
889 | char *c1, *c2, *c3, *c4; | |
890 | ||
891 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
892 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
893 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
894 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
895 | ||
413dd459 | 896 | 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 |
897 | |
898 | free(c1); | |
899 | free(c2); | |
900 | free(c3); | |
901 | free(c4); | |
902 | } | |
b990b5c0 | 903 | } else if (job_add_num == 1) |
c6ae0a5b JA |
904 | fprintf(f_out, "...\n"); |
905 | } | |
ebac4655 JA |
906 | |
907 | /* | |
908 | * recurse add identical jobs, clear numjobs and stonewall options | |
909 | * as they don't apply to sub-jobs | |
910 | */ | |
911 | numjobs = td->numjobs; | |
912 | while (--numjobs) { | |
913 | struct thread_data *td_new = get_new_job(0, td); | |
914 | ||
915 | if (!td_new) | |
916 | goto err; | |
917 | ||
918 | td_new->numjobs = 1; | |
919 | td_new->stonewall = 0; | |
75154845 | 920 | job_add_num = numjobs - 1; |
ebac4655 | 921 | |
75154845 | 922 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
923 | goto err; |
924 | } | |
925 | return 0; | |
926 | err: | |
927 | put_job(td); | |
928 | return -1; | |
929 | } | |
930 | ||
906c8d75 JA |
931 | /* |
932 | * Initialize the various random states we need (random io, block size ranges, | |
933 | * read/write mix, etc). | |
934 | */ | |
ebac4655 JA |
935 | int init_random_state(struct thread_data *td) |
936 | { | |
0aabe160 | 937 | unsigned long seeds[5]; |
53cdc686 | 938 | int fd, num_maps, blocks, i; |
0ab8db89 | 939 | struct fio_file *f; |
ebac4655 | 940 | |
f48b467c JA |
941 | if (td->io_ops->flags & FIO_CPUIO) |
942 | return 0; | |
943 | ||
1ac267bb | 944 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 | 945 | if (fd == -1) { |
e1161c32 | 946 | td_verror(td, errno, "open"); |
ebac4655 JA |
947 | return 1; |
948 | } | |
949 | ||
a6ccc7be | 950 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
e1161c32 | 951 | td_verror(td, EIO, "read"); |
ebac4655 JA |
952 | close(fd); |
953 | return 1; | |
954 | } | |
955 | ||
956 | close(fd); | |
957 | ||
6dfd46b9 JA |
958 | os_random_seed(seeds[0], &td->bsrange_state); |
959 | os_random_seed(seeds[1], &td->verify_state); | |
960 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 | 961 | |
413dd459 JA |
962 | if (td->file_service_type == FIO_FSERVICE_RANDOM) |
963 | os_random_seed(seeds[3], &td->next_file_state); | |
964 | ||
965 | if (!td_random(td)) | |
ebac4655 JA |
966 | return 0; |
967 | ||
9ebc27e1 | 968 | if (td->rand_repeatable) |
0aabe160 | 969 | seeds[4] = FIO_RANDSEED * td->thread_number; |
ebac4655 | 970 | |
bb8895e0 JA |
971 | if (!td->norandommap) { |
972 | for_each_file(td, f, i) { | |
a4a81712 | 973 | blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 974 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
975 | f->file_map = malloc(num_maps * sizeof(long)); |
976 | f->num_maps = num_maps; | |
977 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
978 | } | |
53cdc686 | 979 | } |
ebac4655 | 980 | |
0aabe160 | 981 | os_random_seed(seeds[4], &td->random_state); |
ebac4655 JA |
982 | return 0; |
983 | } | |
984 | ||
985 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
986 | { | |
987 | #ifdef FIO_HAVE_CPU_AFFINITY | |
988 | unsigned int i; | |
989 | ||
990 | CPU_ZERO(&cpumask); | |
991 | ||
992 | for (i = 0; i < sizeof(int) * 8; i++) { | |
993 | if ((1 << i) & cpu) | |
994 | CPU_SET(i, &cpumask); | |
995 | } | |
996 | #endif | |
997 | } | |
998 | ||
ebac4655 JA |
999 | static int is_empty_or_comment(char *line) |
1000 | { | |
1001 | unsigned int i; | |
1002 | ||
1003 | for (i = 0; i < strlen(line); i++) { | |
1004 | if (line[i] == ';') | |
1005 | return 1; | |
5cc2da30 IM |
1006 | if (line[i] == '#') |
1007 | return 1; | |
ebac4655 JA |
1008 | if (!isspace(line[i]) && !iscntrl(line[i])) |
1009 | return 0; | |
1010 | } | |
1011 | ||
1012 | return 1; | |
1013 | } | |
1014 | ||
313cb206 JA |
1015 | /* |
1016 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
1017 | */ | |
1018 | static char *get_mmap_file(const char *str) | |
1019 | { | |
1020 | char *p = strstr(str, ":"); | |
1021 | ||
1022 | if (!p) | |
1023 | return NULL; | |
1024 | ||
1025 | p++; | |
1026 | strip_blank_front(&p); | |
1027 | strip_blank_end(p); | |
1028 | return strdup(p); | |
1029 | } | |
1030 | ||
b4692828 | 1031 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 1032 | { |
cb2c86fd JA |
1033 | struct thread_data *td = data; |
1034 | ||
b1ec1da6 | 1035 | if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) { |
313cb206 | 1036 | td->mmapfile = get_mmap_file(mem); |
b1ec1da6 | 1037 | if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) { |
d0bdaf49 JA |
1038 | log_err("fio: mmaphuge:/path/to/file\n"); |
1039 | return 1; | |
1040 | } | |
ebac4655 JA |
1041 | } |
1042 | ||
b1ec1da6 | 1043 | return 0; |
ebac4655 JA |
1044 | } |
1045 | ||
7b395ca5 JB |
1046 | /* External engines are specified by "external:name.o") */ |
1047 | static const char *get_engine_name(const char *str) | |
1048 | { | |
1049 | char *p = strstr(str, ":"); | |
1050 | ||
1051 | if (!p) | |
1052 | return str; | |
1053 | ||
1054 | p++; | |
1055 | strip_blank_front(&p); | |
1056 | strip_blank_end(p); | |
1057 | return p; | |
1058 | } | |
1059 | ||
b4692828 | 1060 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 1061 | { |
cb2c86fd | 1062 | struct thread_data *td = data; |
7b395ca5 | 1063 | const char *name = get_engine_name(str); |
cb2c86fd | 1064 | |
7b395ca5 | 1065 | td->io_ops = load_ioengine(td, name); |
2866c82d | 1066 | if (td->io_ops) |
b990b5c0 | 1067 | return 0; |
ebac4655 | 1068 | |
ebac4655 JA |
1069 | return 1; |
1070 | } | |
1071 | ||
e1f36503 JA |
1072 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
1073 | { | |
1074 | mlock_size = *val; | |
1075 | return 0; | |
1076 | } | |
1077 | ||
34cfcdaf | 1078 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1079 | static int str_prioclass_cb(void *data, unsigned int *val) |
1080 | { | |
1081 | struct thread_data *td = data; | |
1082 | ||
1083 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1084 | return 0; | |
1085 | } | |
1086 | ||
1087 | static int str_prio_cb(void *data, unsigned int *val) | |
1088 | { | |
1089 | struct thread_data *td = data; | |
1090 | ||
1091 | td->ioprio |= *val; | |
1092 | return 0; | |
1093 | } | |
34cfcdaf | 1094 | #endif |
e1f36503 JA |
1095 | |
1096 | static int str_exitall_cb(void) | |
1097 | { | |
1098 | exitall_on_terminate = 1; | |
1099 | return 0; | |
1100 | } | |
1101 | ||
1102 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1103 | { | |
1104 | struct thread_data *td = data; | |
1105 | ||
1106 | fill_cpu_mask(td->cpumask, *val); | |
1107 | return 0; | |
1108 | } | |
1109 | ||
07261983 JA |
1110 | /* |
1111 | * This is our [ini] type file parser. | |
1112 | */ | |
1e97cce9 | 1113 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1114 | { |
e1f36503 | 1115 | unsigned int global; |
ebac4655 | 1116 | struct thread_data *td; |
fee3bb48 | 1117 | char *string, *name; |
ebac4655 JA |
1118 | fpos_t off; |
1119 | FILE *f; | |
1120 | char *p; | |
0c7e37a0 | 1121 | int ret = 0, stonewall; |
ebac4655 JA |
1122 | |
1123 | f = fopen(file, "r"); | |
1124 | if (!f) { | |
aea47d44 | 1125 | perror("fopen job file"); |
ebac4655 JA |
1126 | return 1; |
1127 | } | |
1128 | ||
1129 | string = malloc(4096); | |
1130 | name = malloc(256); | |
fee3bb48 | 1131 | memset(name, 0, 256); |
ebac4655 | 1132 | |
0c7e37a0 | 1133 | stonewall = stonewall_flag; |
7c124ac1 JA |
1134 | do { |
1135 | p = fgets(string, 4095, f); | |
1136 | if (!p) | |
45410acb | 1137 | break; |
ebac4655 JA |
1138 | if (is_empty_or_comment(p)) |
1139 | continue; | |
fee3bb48 | 1140 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1141 | continue; |
1142 | ||
1143 | global = !strncmp(name, "global", 6); | |
1144 | ||
1145 | name[strlen(name) - 1] = '\0'; | |
1146 | ||
1147 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1148 | if (!td) { |
1149 | ret = 1; | |
1150 | break; | |
1151 | } | |
ebac4655 | 1152 | |
972cfd25 JA |
1153 | /* |
1154 | * Seperate multiple job files by a stonewall | |
1155 | */ | |
f9481919 | 1156 | if (!global && stonewall) { |
972cfd25 JA |
1157 | td->stonewall = stonewall; |
1158 | stonewall = 0; | |
1159 | } | |
1160 | ||
ebac4655 JA |
1161 | fgetpos(f, &off); |
1162 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1163 | if (is_empty_or_comment(p)) | |
1164 | continue; | |
e1f36503 | 1165 | |
b6754f9d | 1166 | strip_blank_front(&p); |
7c124ac1 JA |
1167 | |
1168 | if (p[0] == '[') | |
1169 | break; | |
1170 | ||
4ae3f763 | 1171 | strip_blank_end(p); |
aea47d44 | 1172 | |
e1f36503 | 1173 | fgetpos(f, &off); |
ebac4655 | 1174 | |
45410acb JA |
1175 | /* |
1176 | * Don't break here, continue parsing options so we | |
1177 | * dump all the bad ones. Makes trial/error fixups | |
1178 | * easier on the user. | |
1179 | */ | |
7c124ac1 | 1180 | ret |= parse_option(p, options, td); |
ebac4655 | 1181 | } |
ebac4655 | 1182 | |
45410acb JA |
1183 | if (!ret) { |
1184 | fsetpos(f, &off); | |
1185 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1186 | } else { |
1187 | log_err("fio: job %s dropped\n", name); | |
1188 | put_job(td); | |
45410acb | 1189 | } |
7c124ac1 | 1190 | } while (!ret); |
ebac4655 JA |
1191 | |
1192 | free(string); | |
1193 | free(name); | |
1194 | fclose(f); | |
45410acb | 1195 | return ret; |
ebac4655 JA |
1196 | } |
1197 | ||
1198 | static int fill_def_thread(void) | |
1199 | { | |
1200 | memset(&def_thread, 0, sizeof(def_thread)); | |
1201 | ||
1202 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1203 | perror("sched_getaffinity"); | |
1204 | return 1; | |
1205 | } | |
1206 | ||
1207 | /* | |
ee738499 | 1208 | * fill default options |
ebac4655 | 1209 | */ |
ee738499 JA |
1210 | fill_default_options(&def_thread, options); |
1211 | ||
972cfd25 | 1212 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1213 | def_thread.write_bw_log = write_bw_log; |
1214 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1215 | |
ebac4655 JA |
1216 | #ifdef FIO_HAVE_DISK_UTIL |
1217 | def_thread.do_disk_util = 1; | |
1218 | #endif | |
1219 | ||
1220 | return 0; | |
1221 | } | |
1222 | ||
0ab8db89 | 1223 | static void usage(void) |
4785f995 JA |
1224 | { |
1225 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1226 | printf("\t--output\tWrite output to file\n"); |
1227 | printf("\t--timeout\tRuntime in seconds\n"); | |
1228 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1229 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1230 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1231 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1232 | printf("\t--help\t\tPrint this page\n"); |
1233 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1234 | } |
1235 | ||
972cfd25 | 1236 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1237 | { |
b4692828 | 1238 | struct thread_data *td = NULL; |
b1ec1da6 | 1239 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 1240 | |
0be06ea2 | 1241 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1242 | switch (c) { |
b4692828 JA |
1243 | case 't': |
1244 | def_timeout = atoi(optarg); | |
1245 | break; | |
1246 | case 'l': | |
1247 | write_lat_log = 1; | |
1248 | break; | |
1249 | case 'w': | |
1250 | write_bw_log = 1; | |
1251 | break; | |
1252 | case 'o': | |
1253 | f_out = fopen(optarg, "w+"); | |
1254 | if (!f_out) { | |
1255 | perror("fopen output"); | |
1256 | exit(1); | |
1257 | } | |
1258 | f_err = f_out; | |
1259 | break; | |
1260 | case 'm': | |
1261 | terse_output = 1; | |
1262 | break; | |
1263 | case 'h': | |
1264 | usage(); | |
1265 | exit(0); | |
fd28ca49 | 1266 | case 'c': |
29fc6afe JA |
1267 | ret = show_cmd_help(options, optarg); |
1268 | exit(ret); | |
b4692828 JA |
1269 | case 'v': |
1270 | printf("%s\n", fio_version_string); | |
1271 | exit(0); | |
1272 | case FIO_GETOPT_JOB: { | |
1273 | const char *opt = long_options[lidx].name; | |
1274 | char *val = optarg; | |
1275 | ||
c2b1e753 JA |
1276 | if (!strncmp(opt, "name", 4) && td) { |
1277 | ret = add_job(td, td->name ?: "fio", 0); | |
1278 | if (ret) { | |
1279 | put_job(td); | |
1280 | return 0; | |
1281 | } | |
1282 | td = NULL; | |
1283 | } | |
b4692828 | 1284 | if (!td) { |
38d0adb0 | 1285 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1286 | |
1287 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1288 | if (!td) |
1289 | return 0; | |
1290 | } | |
38d0adb0 | 1291 | |
b1508cf9 | 1292 | ret = parse_cmd_option(opt, val, options, td); |
78217dfa | 1293 | if (ret) |
b1ec1da6 | 1294 | dont_add_job = 1; |
b4692828 JA |
1295 | break; |
1296 | } | |
1297 | default: | |
b4692828 | 1298 | break; |
ebac4655 JA |
1299 | } |
1300 | } | |
c9fad893 | 1301 | |
b4692828 | 1302 | if (td) { |
b1ec1da6 | 1303 | if (dont_add_job) |
b4692828 | 1304 | put_job(td); |
b1ec1da6 JA |
1305 | else { |
1306 | ret = add_job(td, td->name ?: "fio", 0); | |
1307 | if (ret) | |
1308 | put_job(td); | |
1309 | } | |
972cfd25 | 1310 | } |
774a6177 | 1311 | |
b4692828 JA |
1312 | while (optind < argc) { |
1313 | ini_idx++; | |
1314 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1315 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1316 | optind++; | |
eb8bbf48 | 1317 | } |
972cfd25 JA |
1318 | |
1319 | return ini_idx; | |
ebac4655 JA |
1320 | } |
1321 | ||
1322 | static void free_shm(void) | |
1323 | { | |
1324 | struct shmid_ds sbuf; | |
1325 | ||
1326 | if (threads) { | |
2c0ecd28 | 1327 | shmdt((void *) threads); |
ebac4655 JA |
1328 | threads = NULL; |
1329 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1330 | } | |
1331 | } | |
1332 | ||
906c8d75 JA |
1333 | /* |
1334 | * The thread area is shared between the main process and the job | |
1335 | * threads/processes. So setup a shared memory segment that will hold | |
1336 | * all the job info. | |
1337 | */ | |
ebac4655 JA |
1338 | static int setup_thread_area(void) |
1339 | { | |
1340 | /* | |
1341 | * 1024 is too much on some machines, scale max_jobs if | |
1342 | * we get a failure that looks like too large a shm segment | |
1343 | */ | |
1344 | do { | |
906c8d75 | 1345 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1346 | |
906c8d75 | 1347 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1348 | if (shm_id != -1) |
1349 | break; | |
1350 | if (errno != EINVAL) { | |
1351 | perror("shmget"); | |
1352 | break; | |
1353 | } | |
1354 | ||
1355 | max_jobs >>= 1; | |
1356 | } while (max_jobs); | |
1357 | ||
1358 | if (shm_id == -1) | |
1359 | return 1; | |
1360 | ||
1361 | threads = shmat(shm_id, NULL, 0); | |
1362 | if (threads == (void *) -1) { | |
1363 | perror("shmat"); | |
1364 | return 1; | |
1365 | } | |
1366 | ||
1367 | atexit(free_shm); | |
1368 | return 0; | |
1369 | } | |
1370 | ||
b4692828 JA |
1371 | /* |
1372 | * Copy the fio options into the long options map, so we mirror | |
1373 | * job and cmd line options. | |
1374 | */ | |
1375 | static void dupe_job_options(void) | |
1376 | { | |
1377 | struct fio_option *o; | |
1378 | unsigned int i; | |
1379 | ||
1380 | i = 0; | |
1381 | while (long_options[i].name) | |
1382 | i++; | |
1383 | ||
1384 | o = &options[0]; | |
1385 | while (o->name) { | |
1386 | long_options[i].name = o->name; | |
1387 | long_options[i].val = FIO_GETOPT_JOB; | |
1388 | if (o->type == FIO_OPT_STR_SET) | |
1389 | long_options[i].has_arg = no_argument; | |
1390 | else | |
1391 | long_options[i].has_arg = required_argument; | |
1392 | ||
1393 | i++; | |
1394 | o++; | |
1395 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1396 | } | |
1397 | } | |
1398 | ||
ebac4655 JA |
1399 | int parse_options(int argc, char *argv[]) |
1400 | { | |
972cfd25 JA |
1401 | int job_files, i; |
1402 | ||
b4692828 JA |
1403 | f_out = stdout; |
1404 | f_err = stderr; | |
1405 | ||
13335ddb JA |
1406 | options_init(options); |
1407 | ||
b4692828 JA |
1408 | dupe_job_options(); |
1409 | ||
ebac4655 JA |
1410 | if (setup_thread_area()) |
1411 | return 1; | |
1412 | if (fill_def_thread()) | |
1413 | return 1; | |
1414 | ||
972cfd25 | 1415 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1416 | |
972cfd25 JA |
1417 | for (i = 0; i < job_files; i++) { |
1418 | if (fill_def_thread()) | |
1419 | return 1; | |
0c7e37a0 | 1420 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1421 | return 1; |
88c6ed80 | 1422 | free(ini_file[i]); |
972cfd25 | 1423 | } |
ebac4655 | 1424 | |
88c6ed80 | 1425 | free(ini_file); |
b4692828 JA |
1426 | |
1427 | if (!thread_number) { | |
1428 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1429 | return 1; |
1430 | } | |
1431 | ||
ebac4655 JA |
1432 | return 0; |
1433 | } |