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 | }, | |
0aabe160 JA |
184 | { |
185 | .name = "file_service_type", | |
186 | .type = FIO_OPT_STR, | |
b1ec1da6 | 187 | .off1 = td_var_offset(file_service_type), |
0aabe160 JA |
188 | .help = "How to select which file to service next", |
189 | .def = "roundrobin", | |
b1ec1da6 JA |
190 | .posval = { |
191 | { .ival = "random", .oval = FIO_FSERVICE_RANDOM }, | |
192 | { .ival = "roundrobin", .oval = FIO_FSERVICE_RR }, | |
193 | }, | |
0aabe160 | 194 | }, |
03b74b3e JA |
195 | { |
196 | .name = "fsync", | |
197 | .type = FIO_OPT_INT, | |
198 | .off1 = td_var_offset(fsync_blocks), | |
199 | .help = "Issue fsync for writes every given number of blocks", | |
200 | .def = "0", | |
201 | }, | |
202 | { | |
203 | .name = "direct", | |
204 | .type = FIO_OPT_BOOL, | |
205 | .off1 = td_var_offset(odirect), | |
76a43db4 JA |
206 | .help = "Use O_DIRECT IO (negates buffered)", |
207 | .def = "0", | |
208 | }, | |
209 | { | |
210 | .name = "buffered", | |
211 | .type = FIO_OPT_BOOL, | |
212 | .off1 = td_var_offset(odirect), | |
213 | .neg = 1, | |
214 | .help = "Use buffered IO (negates direct)", | |
03b74b3e JA |
215 | .def = "1", |
216 | }, | |
217 | { | |
218 | .name = "overwrite", | |
219 | .type = FIO_OPT_BOOL, | |
220 | .off1 = td_var_offset(overwrite), | |
221 | .help = "When writing, set whether to overwrite current data", | |
222 | .def = "0", | |
223 | }, | |
224 | { | |
225 | .name = "loops", | |
226 | .type = FIO_OPT_INT, | |
227 | .off1 = td_var_offset(loops), | |
228 | .help = "Number of times to run the job", | |
229 | .def = "1", | |
230 | }, | |
231 | { | |
232 | .name = "numjobs", | |
233 | .type = FIO_OPT_INT, | |
234 | .off1 = td_var_offset(numjobs), | |
235 | .help = "Duplicate this job this many times", | |
236 | .def = "1", | |
237 | }, | |
238 | { | |
239 | .name = "startdelay", | |
240 | .type = FIO_OPT_INT, | |
241 | .off1 = td_var_offset(start_delay), | |
242 | .help = "Only start job when this period has passed", | |
243 | .def = "0", | |
244 | }, | |
245 | { | |
246 | .name = "runtime", | |
247 | .alias = "timeout", | |
248 | .type = FIO_OPT_STR_VAL_TIME, | |
249 | .off1 = td_var_offset(timeout), | |
250 | .help = "Stop workload when this amount of time has passed", | |
251 | .def = "0", | |
252 | }, | |
e1f36503 JA |
253 | { |
254 | .name = "mem", | |
255 | .type = FIO_OPT_STR, | |
256 | .cb = str_mem_cb, | |
b1ec1da6 | 257 | .off1 = td_var_offset(mem_type), |
15f7918f | 258 | .help = "Backing type for IO buffers", |
ee738499 | 259 | .def = "malloc", |
b1ec1da6 JA |
260 | .posval = { |
261 | { .ival = "malloc", .oval = MEM_MALLOC }, | |
262 | { .ival = "shm", .oval = MEM_SHM }, | |
263 | #ifdef FIO_HAVE_HUGETLB | |
264 | { .ival = "shmhuge", .oval = MEM_SHMHUGE }, | |
265 | #endif | |
266 | { .ival = "mmap", .oval = MEM_MMAP }, | |
267 | #ifdef FIO_HAVE_HUGETLB | |
268 | { .ival = "mmaphuge", .oval = MEM_MMAPHUGE }, | |
269 | #endif | |
270 | }, | |
e1f36503 JA |
271 | }, |
272 | { | |
273 | .name = "verify", | |
274 | .type = FIO_OPT_STR, | |
b1ec1da6 | 275 | .off1 = td_var_offset(verify), |
15f7918f | 276 | .help = "Verify sum function", |
ee738499 | 277 | .def = "0", |
b1ec1da6 JA |
278 | .posval = { |
279 | { .ival = "0", .oval = VERIFY_NONE }, | |
280 | { .ival = "crc32", .oval = VERIFY_CRC32 }, | |
281 | { .ival = "md5", .oval = VERIFY_MD5 }, | |
282 | }, | |
e1f36503 JA |
283 | }, |
284 | { | |
285 | .name = "write_iolog", | |
076efc7c JA |
286 | .type = FIO_OPT_STR_STORE, |
287 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 288 | .help = "Store IO pattern to file", |
e1f36503 JA |
289 | }, |
290 | { | |
076efc7c | 291 | .name = "read_iolog", |
e1f36503 | 292 | .type = FIO_OPT_STR_STORE, |
076efc7c | 293 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 294 | .help = "Playback IO pattern from file", |
e1f36503 JA |
295 | }, |
296 | { | |
297 | .name = "exec_prerun", | |
298 | .type = FIO_OPT_STR_STORE, | |
299 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 300 | .help = "Execute this file prior to running job", |
e1f36503 JA |
301 | }, |
302 | { | |
303 | .name = "exec_postrun", | |
304 | .type = FIO_OPT_STR_STORE, | |
305 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 306 | .help = "Execute this file after running job", |
e1f36503 JA |
307 | }, |
308 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
309 | { | |
310 | .name = "ioscheduler", | |
311 | .type = FIO_OPT_STR_STORE, | |
312 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 313 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
314 | }, |
315 | #endif | |
e1f36503 JA |
316 | { |
317 | .name = "zonesize", | |
318 | .type = FIO_OPT_STR_VAL, | |
319 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 320 | .help = "Give size of an IO zone", |
ee738499 | 321 | .def = "0", |
e1f36503 JA |
322 | }, |
323 | { | |
324 | .name = "zoneskip", | |
325 | .type = FIO_OPT_STR_VAL, | |
326 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 327 | .help = "Space between IO zones", |
ee738499 | 328 | .def = "0", |
e1f36503 JA |
329 | }, |
330 | { | |
331 | .name = "lockmem", | |
332 | .type = FIO_OPT_STR_VAL, | |
333 | .cb = str_lockmem_cb, | |
fd28ca49 | 334 | .help = "Lock down this amount of memory", |
ee738499 | 335 | .def = "0", |
e1f36503 | 336 | }, |
e1f36503 JA |
337 | { |
338 | .name = "rwmixcycle", | |
339 | .type = FIO_OPT_INT, | |
340 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
341 | .help = "Cycle period for mixed read/write workloads (msec)", |
342 | .def = "500", | |
e1f36503 JA |
343 | }, |
344 | { | |
345 | .name = "rwmixread", | |
346 | .type = FIO_OPT_INT, | |
347 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 348 | .maxval = 100, |
fd28ca49 | 349 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 350 | .def = "50", |
e1f36503 JA |
351 | }, |
352 | { | |
353 | .name = "rwmixwrite", | |
354 | .type = FIO_OPT_INT, | |
355 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 356 | .maxval = 100, |
fd28ca49 | 357 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 358 | .def = "50", |
e1f36503 JA |
359 | }, |
360 | { | |
361 | .name = "nice", | |
362 | .type = FIO_OPT_INT, | |
363 | .off1 = td_var_offset(nice), | |
fd28ca49 | 364 | .help = "Set job CPU nice value", |
15f7918f | 365 | .minval = -19, |
ee738499 JA |
366 | .maxval = 20, |
367 | .def = "0", | |
e1f36503 JA |
368 | }, |
369 | #ifdef FIO_HAVE_IOPRIO | |
370 | { | |
371 | .name = "prio", | |
372 | .type = FIO_OPT_INT, | |
373 | .cb = str_prio_cb, | |
fd28ca49 | 374 | .help = "Set job IO priority value", |
15f7918f JA |
375 | .minval = 0, |
376 | .maxval = 7, | |
e1f36503 JA |
377 | }, |
378 | { | |
379 | .name = "prioclass", | |
380 | .type = FIO_OPT_INT, | |
381 | .cb = str_prioclass_cb, | |
fd28ca49 | 382 | .help = "Set job IO priority class", |
15f7918f JA |
383 | .minval = 0, |
384 | .maxval = 3, | |
e1f36503 JA |
385 | }, |
386 | #endif | |
387 | { | |
388 | .name = "thinktime", | |
389 | .type = FIO_OPT_INT, | |
1304923a | 390 | .off1 = td_var_offset(thinktime), |
5fa0f817 | 391 | .help = "Idle time between IO buffers (usec)", |
ee738499 | 392 | .def = "0", |
e1f36503 | 393 | }, |
48097d5c JA |
394 | { |
395 | .name = "thinktime_spin", | |
396 | .type = FIO_OPT_INT, | |
397 | .off1 = td_var_offset(thinktime_spin), | |
398 | .help = "Start thinktime by spinning this amount (usec)", | |
399 | .def = "0", | |
400 | }, | |
9c1f7434 JA |
401 | { |
402 | .name = "thinktime_blocks", | |
403 | .type = FIO_OPT_INT, | |
1304923a | 404 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 405 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 406 | .def = "1", |
9c1f7434 | 407 | }, |
e1f36503 JA |
408 | { |
409 | .name = "rate", | |
410 | .type = FIO_OPT_INT, | |
1304923a | 411 | .off1 = td_var_offset(rate), |
fd28ca49 | 412 | .help = "Set bandwidth rate", |
e1f36503 JA |
413 | }, |
414 | { | |
415 | .name = "ratemin", | |
416 | .type = FIO_OPT_INT, | |
1304923a | 417 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 418 | .help = "The bottom limit accepted", |
e1f36503 JA |
419 | }, |
420 | { | |
421 | .name = "ratecycle", | |
422 | .type = FIO_OPT_INT, | |
1304923a | 423 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 424 | .help = "Window average for rate limits (msec)", |
ee738499 | 425 | .def = "1000", |
e1f36503 | 426 | }, |
e1f36503 JA |
427 | { |
428 | .name = "invalidate", | |
13335ddb | 429 | .type = FIO_OPT_BOOL, |
1304923a | 430 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 431 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 432 | .def = "1", |
e1f36503 JA |
433 | }, |
434 | { | |
435 | .name = "sync", | |
13335ddb | 436 | .type = FIO_OPT_BOOL, |
1304923a | 437 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 438 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 439 | .def = "0", |
e1f36503 JA |
440 | }, |
441 | { | |
442 | .name = "bwavgtime", | |
443 | .type = FIO_OPT_INT, | |
1304923a | 444 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
445 | .help = "Time window over which to calculate bandwidth (msec)", |
446 | .def = "500", | |
e1f36503 JA |
447 | }, |
448 | { | |
449 | .name = "create_serialize", | |
13335ddb | 450 | .type = FIO_OPT_BOOL, |
1304923a | 451 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 452 | .help = "Serialize creating of job files", |
ee738499 | 453 | .def = "1", |
e1f36503 JA |
454 | }, |
455 | { | |
456 | .name = "create_fsync", | |
13335ddb | 457 | .type = FIO_OPT_BOOL, |
1304923a | 458 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 459 | .help = "Fsync file after creation", |
ee738499 | 460 | .def = "1", |
e1f36503 | 461 | }, |
e1f36503 JA |
462 | { |
463 | .name = "cpuload", | |
464 | .type = FIO_OPT_INT, | |
1304923a | 465 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 466 | .help = "Use this percentage of CPU", |
e1f36503 JA |
467 | }, |
468 | { | |
469 | .name = "cpuchunks", | |
470 | .type = FIO_OPT_INT, | |
1304923a | 471 | .off1 = td_var_offset(cpucycle), |
fd28ca49 | 472 | .help = "Length of the CPU burn cycles", |
e1f36503 | 473 | }, |
e1f36503 JA |
474 | #ifdef FIO_HAVE_CPU_AFFINITY |
475 | { | |
476 | .name = "cpumask", | |
477 | .type = FIO_OPT_INT, | |
478 | .cb = str_cpumask_cb, | |
fd28ca49 | 479 | .help = "CPU affinity mask", |
e1f36503 JA |
480 | }, |
481 | #endif | |
482 | { | |
483 | .name = "end_fsync", | |
13335ddb | 484 | .type = FIO_OPT_BOOL, |
1304923a | 485 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 486 | .help = "Include fsync at the end of job", |
ee738499 | 487 | .def = "0", |
e1f36503 JA |
488 | }, |
489 | { | |
490 | .name = "unlink", | |
13335ddb | 491 | .type = FIO_OPT_BOOL, |
e1f36503 | 492 | .off1 = td_var_offset(unlink), |
ee738499 | 493 | .help = "Unlink created files after job has completed", |
e545a6ce | 494 | .def = "0", |
e1f36503 JA |
495 | }, |
496 | { | |
497 | .name = "exitall", | |
498 | .type = FIO_OPT_STR_SET, | |
499 | .cb = str_exitall_cb, | |
fd28ca49 | 500 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
501 | }, |
502 | { | |
503 | .name = "stonewall", | |
504 | .type = FIO_OPT_STR_SET, | |
505 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 506 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
507 | }, |
508 | { | |
509 | .name = "thread", | |
510 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 511 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 512 | .help = "Use threads instead of forks", |
e1f36503 JA |
513 | }, |
514 | { | |
515 | .name = "write_bw_log", | |
516 | .type = FIO_OPT_STR_SET, | |
517 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 518 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
519 | }, |
520 | { | |
521 | .name = "write_lat_log", | |
522 | .type = FIO_OPT_STR_SET, | |
523 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 524 | .help = "Write log of latency during run", |
e1f36503 | 525 | }, |
56bb17f2 JA |
526 | { |
527 | .name = "hugepage-size", | |
528 | .type = FIO_OPT_STR_VAL, | |
529 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 530 | .help = "When using hugepages, specify size of each page", |
ee738499 | 531 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 532 | }, |
e1f36503 JA |
533 | { |
534 | .name = NULL, | |
535 | }, | |
536 | }; | |
537 | ||
b4692828 JA |
538 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
539 | #define FIO_CMD_OPTS (16) | |
540 | #define FIO_GETOPT_JOB (0x89988998) | |
541 | ||
542 | /* | |
543 | * Command line options. These will contain the above, plus a few | |
544 | * extra that only pertain to fio itself and not jobs. | |
545 | */ | |
546 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
547 | { | |
548 | .name = "output", | |
549 | .has_arg = required_argument, | |
550 | .val = 'o', | |
551 | }, | |
552 | { | |
553 | .name = "timeout", | |
554 | .has_arg = required_argument, | |
555 | .val = 't', | |
556 | }, | |
557 | { | |
558 | .name = "latency-log", | |
559 | .has_arg = required_argument, | |
560 | .val = 'l', | |
561 | }, | |
562 | { | |
563 | .name = "bandwidth-log", | |
564 | .has_arg = required_argument, | |
565 | .val = 'b', | |
566 | }, | |
567 | { | |
568 | .name = "minimal", | |
569 | .has_arg = optional_argument, | |
570 | .val = 'm', | |
571 | }, | |
572 | { | |
573 | .name = "version", | |
574 | .has_arg = no_argument, | |
575 | .val = 'v', | |
576 | }, | |
fd28ca49 JA |
577 | { |
578 | .name = "help", | |
579 | .has_arg = no_argument, | |
580 | .val = 'h', | |
581 | }, | |
582 | { | |
583 | .name = "cmdhelp", | |
320beefe | 584 | .has_arg = optional_argument, |
fd28ca49 JA |
585 | .val = 'c', |
586 | }, | |
b4692828 JA |
587 | { |
588 | .name = NULL, | |
589 | }, | |
590 | }; | |
591 | ||
ee738499 | 592 | static int def_timeout = 0; |
972cfd25 | 593 | |
e77fe33a | 594 | static char fio_version_string[] = "fio 1.12"; |
ebac4655 | 595 | |
972cfd25 | 596 | static char **ini_file; |
ebac4655 JA |
597 | static int max_jobs = MAX_JOBS; |
598 | ||
599 | struct thread_data def_thread; | |
600 | struct thread_data *threads = NULL; | |
601 | ||
ebac4655 | 602 | int exitall_on_terminate = 0; |
c6ae0a5b | 603 | int terse_output = 0; |
c04f7ec3 | 604 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
605 | FILE *f_out = NULL; |
606 | FILE *f_err = NULL; | |
ebac4655 | 607 | |
ee738499 | 608 | static int write_lat_log = 0; |
bb3884d8 | 609 | int write_bw_log = 0; |
ec94ec56 | 610 | |
9728ce37 JB |
611 | FILE *get_f_out() |
612 | { | |
613 | return f_out; | |
614 | } | |
615 | ||
616 | FILE *get_f_err() | |
617 | { | |
618 | return f_err; | |
619 | } | |
620 | ||
906c8d75 JA |
621 | /* |
622 | * Return a free job structure. | |
623 | */ | |
ebac4655 JA |
624 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
625 | { | |
626 | struct thread_data *td; | |
627 | ||
628 | if (global) | |
629 | return &def_thread; | |
630 | if (thread_number >= max_jobs) | |
631 | return NULL; | |
632 | ||
633 | td = &threads[thread_number++]; | |
ddaeaa5a | 634 | *td = *parent; |
ebac4655 | 635 | |
ebac4655 | 636 | td->thread_number = thread_number; |
ebac4655 JA |
637 | return td; |
638 | } | |
639 | ||
640 | static void put_job(struct thread_data *td) | |
641 | { | |
549577a7 JA |
642 | if (td == &def_thread) |
643 | return; | |
644 | ||
16edf25d JA |
645 | if (td->error) |
646 | fprintf(f_out, "fio: %s\n", td->verror); | |
647 | ||
ebac4655 JA |
648 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
649 | thread_number--; | |
650 | } | |
651 | ||
dad915e3 JA |
652 | /* |
653 | * Lazy way of fixing up options that depend on each other. We could also | |
654 | * define option callback handlers, but this is easier. | |
655 | */ | |
e1f36503 JA |
656 | static void fixup_options(struct thread_data *td) |
657 | { | |
e1f36503 JA |
658 | if (!td->rwmixread && td->rwmixwrite) |
659 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 660 | |
076efc7c JA |
661 | if (td->write_iolog_file && td->read_iolog_file) { |
662 | log_err("fio: read iolog overrides write_iolog\n"); | |
663 | free(td->write_iolog_file); | |
664 | td->write_iolog_file = NULL; | |
665 | } | |
16b462ae JA |
666 | |
667 | if (td->io_ops->flags & FIO_SYNCIO) | |
668 | td->iodepth = 1; | |
669 | else { | |
670 | if (!td->iodepth) | |
671 | td->iodepth = td->nr_files; | |
672 | } | |
673 | ||
674 | /* | |
675 | * only really works for sequential io for now, and with 1 file | |
676 | */ | |
413dd459 | 677 | if (td->zone_size && td_random(td) && td->nr_files == 1) |
16b462ae JA |
678 | td->zone_size = 0; |
679 | ||
680 | /* | |
681 | * Reads can do overwrites, we always need to pre-create the file | |
682 | */ | |
683 | if (td_read(td) || td_rw(td)) | |
684 | td->overwrite = 1; | |
685 | ||
a00735e6 JA |
686 | if (!td->min_bs[DDIR_READ]) |
687 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
688 | if (!td->max_bs[DDIR_READ]) | |
689 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
690 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 691 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 692 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 693 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
694 | |
695 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
696 | ||
16b462ae JA |
697 | if (td_read(td) && !td_rw(td)) |
698 | td->verify = 0; | |
bb8895e0 JA |
699 | |
700 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
701 | log_err("fio: norandommap given, verify disabled\n"); | |
702 | td->verify = VERIFY_NONE; | |
703 | } | |
690adba3 JA |
704 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
705 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
706 | |
707 | /* | |
708 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
709 | */ | |
710 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
711 | td->odirect = 0; | |
48097d5c JA |
712 | |
713 | /* | |
714 | * thinktime_spin must be less than thinktime | |
715 | */ | |
716 | if (td->thinktime_spin > td->thinktime) | |
717 | td->thinktime_spin = td->thinktime; | |
e916b390 JA |
718 | |
719 | /* | |
720 | * The low water mark cannot be bigger than the iodepth | |
721 | */ | |
9467b77c JA |
722 | if (td->iodepth_low > td->iodepth || !td->iodepth_low) { |
723 | /* | |
724 | * syslet work around - if the workload is sequential, | |
725 | * we want to let the queue drain all the way down to | |
726 | * avoid seeking between async threads | |
727 | */ | |
728 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
729 | td->iodepth_low = 1; | |
730 | else | |
731 | td->iodepth_low = td->iodepth; | |
732 | } | |
cb5ab512 JA |
733 | |
734 | /* | |
735 | * If batch number isn't set, default to the same as iodepth | |
736 | */ | |
737 | if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) | |
738 | td->iodepth_batch = td->iodepth; | |
e1f36503 JA |
739 | } |
740 | ||
f8977ee6 JA |
741 | /* |
742 | * This function leaks the buffer | |
743 | */ | |
744 | static char *to_kmg(unsigned int val) | |
745 | { | |
746 | char *buf = malloc(32); | |
f3502ba2 | 747 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
748 | char *p = post; |
749 | ||
245142ff | 750 | do { |
f8977ee6 JA |
751 | if (val & 1023) |
752 | break; | |
753 | ||
754 | val >>= 10; | |
755 | p++; | |
245142ff | 756 | } while (*p); |
f8977ee6 JA |
757 | |
758 | snprintf(buf, 31, "%u%c", val, *p); | |
759 | return buf; | |
760 | } | |
761 | ||
906c8d75 JA |
762 | /* |
763 | * Adds a job to the list of things todo. Sanitizes the various options | |
764 | * to make sure we don't have conflicts, and initializes various | |
765 | * members of td. | |
766 | */ | |
75154845 | 767 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 768 | { |
413dd459 JA |
769 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
770 | "randread", "randwrite", "randrw" }; | |
ebac4655 | 771 | struct stat sb; |
413dd459 | 772 | int numjobs, i; |
53cdc686 | 773 | struct fio_file *f; |
ebac4655 | 774 | |
ebac4655 JA |
775 | /* |
776 | * the def_thread is just for options, it's not a real job | |
777 | */ | |
778 | if (td == &def_thread) | |
779 | return 0; | |
780 | ||
ee738499 | 781 | assert(td->io_ops); |
df64119d | 782 | |
690adba3 JA |
783 | if (td->odirect) |
784 | td->io_ops->flags |= FIO_RAWIO; | |
785 | ||
ebac4655 | 786 | td->filetype = FIO_TYPE_FILE; |
890df538 | 787 | if (td->filename && !lstat(td->filename, &sb)) { |
0af7b542 JA |
788 | if (S_ISBLK(sb.st_mode)) |
789 | td->filetype = FIO_TYPE_BD; | |
790 | else if (S_ISCHR(sb.st_mode)) | |
791 | td->filetype = FIO_TYPE_CHAR; | |
792 | } | |
ebac4655 | 793 | |
e0a22335 JA |
794 | fixup_options(td); |
795 | ||
13f8e2d2 JA |
796 | if (td->filename) |
797 | td->nr_uniq_files = 1; | |
798 | else | |
799 | td->nr_uniq_files = td->nr_files; | |
800 | ||
801 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 802 | char tmp[PATH_MAX]; |
53cdc686 | 803 | int len = 0; |
e9c047a0 | 804 | |
16edf25d JA |
805 | if (td->directory && td->directory[0] != '\0') { |
806 | if (lstat(td->directory, &sb) < 0) { | |
807 | log_err("fio: %s is not a directory\n", td->directory); | |
e1161c32 | 808 | td_verror(td, errno, "lstat"); |
16edf25d JA |
809 | return 1; |
810 | } | |
811 | if (!S_ISDIR(sb.st_mode)) { | |
812 | log_err("fio: %s is not a directory\n", td->directory); | |
813 | return 1; | |
814 | } | |
8aeebd55 | 815 | len = sprintf(tmp, "%s/", td->directory); |
16edf25d | 816 | } |
ebac4655 | 817 | |
53cdc686 JA |
818 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
819 | ||
820 | for_each_file(td, f, i) { | |
821 | memset(f, 0, sizeof(*f)); | |
822 | f->fd = -1; | |
823 | ||
13f8e2d2 JA |
824 | if (td->filename) |
825 | sprintf(tmp + len, "%s", td->filename); | |
826 | else | |
827 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
828 | f->file_name = strdup(tmp); |
829 | } | |
830 | } else { | |
831 | td->nr_files = 1; | |
832 | td->files = malloc(sizeof(struct fio_file)); | |
833 | f = &td->files[0]; | |
834 | ||
835 | memset(f, 0, sizeof(*f)); | |
836 | f->fd = -1; | |
837 | f->file_name = strdup(jobname); | |
838 | } | |
839 | ||
840 | for_each_file(td, f, i) { | |
841 | f->file_size = td->total_file_size / td->nr_files; | |
842 | f->file_offset = td->start_offset; | |
843 | } | |
844 | ||
bbfd6b00 | 845 | fio_sem_init(&td->mutex, 0); |
ebac4655 | 846 | |
079ad09b JA |
847 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
848 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
849 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 850 | |
ebac4655 JA |
851 | if (td->stonewall && td->thread_number > 1) |
852 | groupid++; | |
853 | ||
854 | td->groupid = groupid; | |
855 | ||
856 | if (setup_rate(td)) | |
857 | goto err; | |
858 | ||
ec94ec56 | 859 | if (td->write_lat_log) { |
079ad09b JA |
860 | setup_log(&td->ts.slat_log); |
861 | setup_log(&td->ts.clat_log); | |
ebac4655 | 862 | } |
ec94ec56 | 863 | if (td->write_bw_log) |
079ad09b | 864 | setup_log(&td->ts.bw_log); |
ebac4655 | 865 | |
b4692828 JA |
866 | if (!td->name) |
867 | td->name = strdup(jobname); | |
01452055 | 868 | |
c6ae0a5b | 869 | if (!terse_output) { |
b990b5c0 | 870 | if (!job_add_num) { |
2866c82d | 871 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 | 872 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
873 | else { |
874 | char *c1, *c2, *c3, *c4; | |
875 | ||
876 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
877 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
878 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
879 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
880 | ||
413dd459 | 881 | 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 |
882 | |
883 | free(c1); | |
884 | free(c2); | |
885 | free(c3); | |
886 | free(c4); | |
887 | } | |
b990b5c0 | 888 | } else if (job_add_num == 1) |
c6ae0a5b JA |
889 | fprintf(f_out, "...\n"); |
890 | } | |
ebac4655 JA |
891 | |
892 | /* | |
893 | * recurse add identical jobs, clear numjobs and stonewall options | |
894 | * as they don't apply to sub-jobs | |
895 | */ | |
896 | numjobs = td->numjobs; | |
897 | while (--numjobs) { | |
898 | struct thread_data *td_new = get_new_job(0, td); | |
899 | ||
900 | if (!td_new) | |
901 | goto err; | |
902 | ||
903 | td_new->numjobs = 1; | |
904 | td_new->stonewall = 0; | |
75154845 | 905 | job_add_num = numjobs - 1; |
ebac4655 | 906 | |
75154845 | 907 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
908 | goto err; |
909 | } | |
910 | return 0; | |
911 | err: | |
912 | put_job(td); | |
913 | return -1; | |
914 | } | |
915 | ||
906c8d75 JA |
916 | /* |
917 | * Initialize the various random states we need (random io, block size ranges, | |
918 | * read/write mix, etc). | |
919 | */ | |
ebac4655 JA |
920 | int init_random_state(struct thread_data *td) |
921 | { | |
0aabe160 | 922 | unsigned long seeds[5]; |
53cdc686 | 923 | int fd, num_maps, blocks, i; |
0ab8db89 | 924 | struct fio_file *f; |
ebac4655 | 925 | |
f48b467c JA |
926 | if (td->io_ops->flags & FIO_CPUIO) |
927 | return 0; | |
928 | ||
1ac267bb | 929 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 | 930 | if (fd == -1) { |
e1161c32 | 931 | td_verror(td, errno, "open"); |
ebac4655 JA |
932 | return 1; |
933 | } | |
934 | ||
a6ccc7be | 935 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
e1161c32 | 936 | td_verror(td, EIO, "read"); |
ebac4655 JA |
937 | close(fd); |
938 | return 1; | |
939 | } | |
940 | ||
941 | close(fd); | |
942 | ||
6dfd46b9 JA |
943 | os_random_seed(seeds[0], &td->bsrange_state); |
944 | os_random_seed(seeds[1], &td->verify_state); | |
945 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 | 946 | |
413dd459 JA |
947 | if (td->file_service_type == FIO_FSERVICE_RANDOM) |
948 | os_random_seed(seeds[3], &td->next_file_state); | |
949 | ||
950 | if (!td_random(td)) | |
ebac4655 JA |
951 | return 0; |
952 | ||
9ebc27e1 | 953 | if (td->rand_repeatable) |
0aabe160 | 954 | seeds[4] = FIO_RANDSEED * td->thread_number; |
ebac4655 | 955 | |
bb8895e0 JA |
956 | if (!td->norandommap) { |
957 | for_each_file(td, f, i) { | |
a4a81712 | 958 | blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 959 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
960 | f->file_map = malloc(num_maps * sizeof(long)); |
961 | f->num_maps = num_maps; | |
962 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
963 | } | |
53cdc686 | 964 | } |
ebac4655 | 965 | |
0aabe160 | 966 | os_random_seed(seeds[4], &td->random_state); |
ebac4655 JA |
967 | return 0; |
968 | } | |
969 | ||
970 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
971 | { | |
972 | #ifdef FIO_HAVE_CPU_AFFINITY | |
973 | unsigned int i; | |
974 | ||
975 | CPU_ZERO(&cpumask); | |
976 | ||
977 | for (i = 0; i < sizeof(int) * 8; i++) { | |
978 | if ((1 << i) & cpu) | |
979 | CPU_SET(i, &cpumask); | |
980 | } | |
981 | #endif | |
982 | } | |
983 | ||
ebac4655 JA |
984 | static int is_empty_or_comment(char *line) |
985 | { | |
986 | unsigned int i; | |
987 | ||
988 | for (i = 0; i < strlen(line); i++) { | |
989 | if (line[i] == ';') | |
990 | return 1; | |
5cc2da30 IM |
991 | if (line[i] == '#') |
992 | return 1; | |
ebac4655 JA |
993 | if (!isspace(line[i]) && !iscntrl(line[i])) |
994 | return 0; | |
995 | } | |
996 | ||
997 | return 1; | |
998 | } | |
999 | ||
313cb206 JA |
1000 | /* |
1001 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
1002 | */ | |
1003 | static char *get_mmap_file(const char *str) | |
1004 | { | |
1005 | char *p = strstr(str, ":"); | |
1006 | ||
1007 | if (!p) | |
1008 | return NULL; | |
1009 | ||
1010 | p++; | |
1011 | strip_blank_front(&p); | |
1012 | strip_blank_end(p); | |
1013 | return strdup(p); | |
1014 | } | |
1015 | ||
b4692828 | 1016 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 1017 | { |
cb2c86fd JA |
1018 | struct thread_data *td = data; |
1019 | ||
b1ec1da6 | 1020 | if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) { |
313cb206 | 1021 | td->mmapfile = get_mmap_file(mem); |
b1ec1da6 | 1022 | if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) { |
d0bdaf49 JA |
1023 | log_err("fio: mmaphuge:/path/to/file\n"); |
1024 | return 1; | |
1025 | } | |
ebac4655 JA |
1026 | } |
1027 | ||
b1ec1da6 | 1028 | return 0; |
ebac4655 JA |
1029 | } |
1030 | ||
7b395ca5 JB |
1031 | /* External engines are specified by "external:name.o") */ |
1032 | static const char *get_engine_name(const char *str) | |
1033 | { | |
1034 | char *p = strstr(str, ":"); | |
1035 | ||
1036 | if (!p) | |
1037 | return str; | |
1038 | ||
1039 | p++; | |
1040 | strip_blank_front(&p); | |
1041 | strip_blank_end(p); | |
1042 | return p; | |
1043 | } | |
1044 | ||
b4692828 | 1045 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 1046 | { |
cb2c86fd | 1047 | struct thread_data *td = data; |
7b395ca5 | 1048 | const char *name = get_engine_name(str); |
cb2c86fd | 1049 | |
7b395ca5 | 1050 | td->io_ops = load_ioengine(td, name); |
2866c82d | 1051 | if (td->io_ops) |
b990b5c0 | 1052 | return 0; |
ebac4655 | 1053 | |
ebac4655 JA |
1054 | return 1; |
1055 | } | |
1056 | ||
e1f36503 JA |
1057 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
1058 | { | |
1059 | mlock_size = *val; | |
1060 | return 0; | |
1061 | } | |
1062 | ||
34cfcdaf | 1063 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1064 | static int str_prioclass_cb(void *data, unsigned int *val) |
1065 | { | |
1066 | struct thread_data *td = data; | |
1067 | ||
1068 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1069 | return 0; | |
1070 | } | |
1071 | ||
1072 | static int str_prio_cb(void *data, unsigned int *val) | |
1073 | { | |
1074 | struct thread_data *td = data; | |
1075 | ||
1076 | td->ioprio |= *val; | |
1077 | return 0; | |
1078 | } | |
34cfcdaf | 1079 | #endif |
e1f36503 JA |
1080 | |
1081 | static int str_exitall_cb(void) | |
1082 | { | |
1083 | exitall_on_terminate = 1; | |
1084 | return 0; | |
1085 | } | |
1086 | ||
1087 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1088 | { | |
1089 | struct thread_data *td = data; | |
1090 | ||
1091 | fill_cpu_mask(td->cpumask, *val); | |
1092 | return 0; | |
1093 | } | |
1094 | ||
07261983 JA |
1095 | /* |
1096 | * This is our [ini] type file parser. | |
1097 | */ | |
1e97cce9 | 1098 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1099 | { |
e1f36503 | 1100 | unsigned int global; |
ebac4655 | 1101 | struct thread_data *td; |
fee3bb48 | 1102 | char *string, *name; |
ebac4655 JA |
1103 | fpos_t off; |
1104 | FILE *f; | |
1105 | char *p; | |
0c7e37a0 | 1106 | int ret = 0, stonewall; |
ebac4655 JA |
1107 | |
1108 | f = fopen(file, "r"); | |
1109 | if (!f) { | |
aea47d44 | 1110 | perror("fopen job file"); |
ebac4655 JA |
1111 | return 1; |
1112 | } | |
1113 | ||
1114 | string = malloc(4096); | |
1115 | name = malloc(256); | |
fee3bb48 | 1116 | memset(name, 0, 256); |
ebac4655 | 1117 | |
0c7e37a0 | 1118 | stonewall = stonewall_flag; |
7c124ac1 JA |
1119 | do { |
1120 | p = fgets(string, 4095, f); | |
1121 | if (!p) | |
45410acb | 1122 | break; |
ebac4655 JA |
1123 | if (is_empty_or_comment(p)) |
1124 | continue; | |
fee3bb48 | 1125 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1126 | continue; |
1127 | ||
1128 | global = !strncmp(name, "global", 6); | |
1129 | ||
1130 | name[strlen(name) - 1] = '\0'; | |
1131 | ||
1132 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1133 | if (!td) { |
1134 | ret = 1; | |
1135 | break; | |
1136 | } | |
ebac4655 | 1137 | |
972cfd25 JA |
1138 | /* |
1139 | * Seperate multiple job files by a stonewall | |
1140 | */ | |
f9481919 | 1141 | if (!global && stonewall) { |
972cfd25 JA |
1142 | td->stonewall = stonewall; |
1143 | stonewall = 0; | |
1144 | } | |
1145 | ||
ebac4655 JA |
1146 | fgetpos(f, &off); |
1147 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1148 | if (is_empty_or_comment(p)) | |
1149 | continue; | |
e1f36503 | 1150 | |
b6754f9d | 1151 | strip_blank_front(&p); |
7c124ac1 JA |
1152 | |
1153 | if (p[0] == '[') | |
1154 | break; | |
1155 | ||
4ae3f763 | 1156 | strip_blank_end(p); |
aea47d44 | 1157 | |
e1f36503 | 1158 | fgetpos(f, &off); |
ebac4655 | 1159 | |
45410acb JA |
1160 | /* |
1161 | * Don't break here, continue parsing options so we | |
1162 | * dump all the bad ones. Makes trial/error fixups | |
1163 | * easier on the user. | |
1164 | */ | |
7c124ac1 | 1165 | ret |= parse_option(p, options, td); |
ebac4655 | 1166 | } |
ebac4655 | 1167 | |
45410acb JA |
1168 | if (!ret) { |
1169 | fsetpos(f, &off); | |
1170 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1171 | } else { |
1172 | log_err("fio: job %s dropped\n", name); | |
1173 | put_job(td); | |
45410acb | 1174 | } |
7c124ac1 | 1175 | } while (!ret); |
ebac4655 JA |
1176 | |
1177 | free(string); | |
1178 | free(name); | |
1179 | fclose(f); | |
45410acb | 1180 | return ret; |
ebac4655 JA |
1181 | } |
1182 | ||
1183 | static int fill_def_thread(void) | |
1184 | { | |
1185 | memset(&def_thread, 0, sizeof(def_thread)); | |
1186 | ||
1187 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1188 | perror("sched_getaffinity"); | |
1189 | return 1; | |
1190 | } | |
1191 | ||
1192 | /* | |
ee738499 | 1193 | * fill default options |
ebac4655 | 1194 | */ |
ee738499 JA |
1195 | fill_default_options(&def_thread, options); |
1196 | ||
972cfd25 | 1197 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1198 | def_thread.write_bw_log = write_bw_log; |
1199 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1200 | |
ebac4655 JA |
1201 | #ifdef FIO_HAVE_DISK_UTIL |
1202 | def_thread.do_disk_util = 1; | |
1203 | #endif | |
1204 | ||
1205 | return 0; | |
1206 | } | |
1207 | ||
0ab8db89 | 1208 | static void usage(void) |
4785f995 JA |
1209 | { |
1210 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1211 | printf("\t--output\tWrite output to file\n"); |
1212 | printf("\t--timeout\tRuntime in seconds\n"); | |
1213 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1214 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1215 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1216 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1217 | printf("\t--help\t\tPrint this page\n"); |
1218 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1219 | } |
1220 | ||
972cfd25 | 1221 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1222 | { |
b4692828 | 1223 | struct thread_data *td = NULL; |
b1ec1da6 | 1224 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 1225 | |
b4692828 | 1226 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1227 | switch (c) { |
b4692828 JA |
1228 | case 't': |
1229 | def_timeout = atoi(optarg); | |
1230 | break; | |
1231 | case 'l': | |
1232 | write_lat_log = 1; | |
1233 | break; | |
1234 | case 'w': | |
1235 | write_bw_log = 1; | |
1236 | break; | |
1237 | case 'o': | |
1238 | f_out = fopen(optarg, "w+"); | |
1239 | if (!f_out) { | |
1240 | perror("fopen output"); | |
1241 | exit(1); | |
1242 | } | |
1243 | f_err = f_out; | |
1244 | break; | |
1245 | case 'm': | |
1246 | terse_output = 1; | |
1247 | break; | |
1248 | case 'h': | |
1249 | usage(); | |
1250 | exit(0); | |
fd28ca49 | 1251 | case 'c': |
29fc6afe JA |
1252 | ret = show_cmd_help(options, optarg); |
1253 | exit(ret); | |
b4692828 JA |
1254 | case 'v': |
1255 | printf("%s\n", fio_version_string); | |
1256 | exit(0); | |
1257 | case FIO_GETOPT_JOB: { | |
1258 | const char *opt = long_options[lidx].name; | |
1259 | char *val = optarg; | |
1260 | ||
c2b1e753 JA |
1261 | if (!strncmp(opt, "name", 4) && td) { |
1262 | ret = add_job(td, td->name ?: "fio", 0); | |
1263 | if (ret) { | |
1264 | put_job(td); | |
1265 | return 0; | |
1266 | } | |
1267 | td = NULL; | |
1268 | } | |
b4692828 | 1269 | if (!td) { |
38d0adb0 | 1270 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1271 | |
1272 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1273 | if (!td) |
1274 | return 0; | |
1275 | } | |
38d0adb0 | 1276 | |
b1508cf9 | 1277 | ret = parse_cmd_option(opt, val, options, td); |
78217dfa | 1278 | if (ret) |
b1ec1da6 | 1279 | dont_add_job = 1; |
b4692828 JA |
1280 | break; |
1281 | } | |
1282 | default: | |
b4692828 | 1283 | break; |
ebac4655 JA |
1284 | } |
1285 | } | |
c9fad893 | 1286 | |
b4692828 | 1287 | if (td) { |
b1ec1da6 | 1288 | if (dont_add_job) |
b4692828 | 1289 | put_job(td); |
b1ec1da6 JA |
1290 | else { |
1291 | ret = add_job(td, td->name ?: "fio", 0); | |
1292 | if (ret) | |
1293 | put_job(td); | |
1294 | } | |
972cfd25 | 1295 | } |
774a6177 | 1296 | |
b4692828 JA |
1297 | while (optind < argc) { |
1298 | ini_idx++; | |
1299 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1300 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1301 | optind++; | |
eb8bbf48 | 1302 | } |
972cfd25 JA |
1303 | |
1304 | return ini_idx; | |
ebac4655 JA |
1305 | } |
1306 | ||
1307 | static void free_shm(void) | |
1308 | { | |
1309 | struct shmid_ds sbuf; | |
1310 | ||
1311 | if (threads) { | |
2c0ecd28 | 1312 | shmdt((void *) threads); |
ebac4655 JA |
1313 | threads = NULL; |
1314 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1315 | } | |
1316 | } | |
1317 | ||
906c8d75 JA |
1318 | /* |
1319 | * The thread area is shared between the main process and the job | |
1320 | * threads/processes. So setup a shared memory segment that will hold | |
1321 | * all the job info. | |
1322 | */ | |
ebac4655 JA |
1323 | static int setup_thread_area(void) |
1324 | { | |
1325 | /* | |
1326 | * 1024 is too much on some machines, scale max_jobs if | |
1327 | * we get a failure that looks like too large a shm segment | |
1328 | */ | |
1329 | do { | |
906c8d75 | 1330 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1331 | |
906c8d75 | 1332 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1333 | if (shm_id != -1) |
1334 | break; | |
1335 | if (errno != EINVAL) { | |
1336 | perror("shmget"); | |
1337 | break; | |
1338 | } | |
1339 | ||
1340 | max_jobs >>= 1; | |
1341 | } while (max_jobs); | |
1342 | ||
1343 | if (shm_id == -1) | |
1344 | return 1; | |
1345 | ||
1346 | threads = shmat(shm_id, NULL, 0); | |
1347 | if (threads == (void *) -1) { | |
1348 | perror("shmat"); | |
1349 | return 1; | |
1350 | } | |
1351 | ||
1352 | atexit(free_shm); | |
1353 | return 0; | |
1354 | } | |
1355 | ||
b4692828 JA |
1356 | /* |
1357 | * Copy the fio options into the long options map, so we mirror | |
1358 | * job and cmd line options. | |
1359 | */ | |
1360 | static void dupe_job_options(void) | |
1361 | { | |
1362 | struct fio_option *o; | |
1363 | unsigned int i; | |
1364 | ||
1365 | i = 0; | |
1366 | while (long_options[i].name) | |
1367 | i++; | |
1368 | ||
1369 | o = &options[0]; | |
1370 | while (o->name) { | |
1371 | long_options[i].name = o->name; | |
1372 | long_options[i].val = FIO_GETOPT_JOB; | |
1373 | if (o->type == FIO_OPT_STR_SET) | |
1374 | long_options[i].has_arg = no_argument; | |
1375 | else | |
1376 | long_options[i].has_arg = required_argument; | |
1377 | ||
1378 | i++; | |
1379 | o++; | |
1380 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1381 | } | |
1382 | } | |
1383 | ||
ebac4655 JA |
1384 | int parse_options(int argc, char *argv[]) |
1385 | { | |
972cfd25 JA |
1386 | int job_files, i; |
1387 | ||
b4692828 JA |
1388 | f_out = stdout; |
1389 | f_err = stderr; | |
1390 | ||
13335ddb JA |
1391 | options_init(options); |
1392 | ||
b4692828 JA |
1393 | dupe_job_options(); |
1394 | ||
ebac4655 JA |
1395 | if (setup_thread_area()) |
1396 | return 1; | |
1397 | if (fill_def_thread()) | |
1398 | return 1; | |
1399 | ||
972cfd25 | 1400 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1401 | |
972cfd25 JA |
1402 | for (i = 0; i < job_files; i++) { |
1403 | if (fill_def_thread()) | |
1404 | return 1; | |
0c7e37a0 | 1405 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1406 | return 1; |
88c6ed80 | 1407 | free(ini_file[i]); |
972cfd25 | 1408 | } |
ebac4655 | 1409 | |
88c6ed80 | 1410 | free(ini_file); |
b4692828 JA |
1411 | |
1412 | if (!thread_number) { | |
1413 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1414 | return 1; |
1415 | } | |
1416 | ||
ebac4655 JA |
1417 | return 0; |
1418 | } |