Commit | Line | Data |
---|---|---|
906c8d75 | 1 | /* |
cb2c86fd | 2 | * This file contains job initialization and setup functions. |
906c8d75 | 3 | */ |
ebac4655 JA |
4 | #include <stdio.h> |
5 | #include <stdlib.h> | |
6 | #include <unistd.h> | |
7 | #include <fcntl.h> | |
8 | #include <ctype.h> | |
9 | #include <string.h> | |
10 | #include <errno.h> | |
b4692828 JA |
11 | #include <getopt.h> |
12 | #include <assert.h> | |
ebac4655 JA |
13 | #include <sys/ipc.h> |
14 | #include <sys/shm.h> | |
15 | #include <sys/types.h> | |
16 | #include <sys/stat.h> | |
17 | ||
18 | #include "fio.h" | |
cb2c86fd | 19 | #include "parse.h" |
ebac4655 | 20 | |
ee738499 | 21 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 22 | |
e1f36503 JA |
23 | #define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) |
24 | ||
b4692828 | 25 | static int str_mem_cb(void *, const char *); |
e1f36503 | 26 | static int str_lockmem_cb(void *, unsigned long *); |
34cfcdaf | 27 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
28 | static int str_prio_cb(void *, unsigned int *); |
29 | static int str_prioclass_cb(void *, unsigned int *); | |
34cfcdaf | 30 | #endif |
e1f36503 JA |
31 | static int str_exitall_cb(void); |
32 | static int str_cpumask_cb(void *, unsigned int *); | |
1907dbc6 | 33 | static int str_fst_cb(void *, const char *); |
af52b345 JA |
34 | static int str_filename_cb(void *, const char *); |
35 | static int str_directory_cb(void *, const char *); | |
e1f36503 | 36 | |
ee738499 JA |
37 | #define __stringify_1(x) #x |
38 | #define __stringify(x) __stringify_1(x) | |
39 | ||
e1f36503 JA |
40 | /* |
41 | * Map of job/command line options | |
42 | */ | |
43 | static struct fio_option options[] = { | |
61697c37 JA |
44 | { |
45 | .name = "description", | |
46 | .type = FIO_OPT_STR_STORE, | |
47 | .off1 = td_var_offset(description), | |
48 | .help = "Text job description", | |
49 | }, | |
e1f36503 JA |
50 | { |
51 | .name = "name", | |
52 | .type = FIO_OPT_STR_STORE, | |
53 | .off1 = td_var_offset(name), | |
fd28ca49 | 54 | .help = "Name of this job", |
e1f36503 JA |
55 | }, |
56 | { | |
57 | .name = "directory", | |
58 | .type = FIO_OPT_STR_STORE, | |
59 | .off1 = td_var_offset(directory), | |
af52b345 | 60 | .cb = str_directory_cb, |
fd28ca49 | 61 | .help = "Directory to store files in", |
e1f36503 JA |
62 | }, |
63 | { | |
64 | .name = "filename", | |
65 | .type = FIO_OPT_STR_STORE, | |
66 | .off1 = td_var_offset(filename), | |
af52b345 JA |
67 | .cb = str_filename_cb, |
68 | .help = "File(s) to use for the workload", | |
e1f36503 JA |
69 | }, |
70 | { | |
71 | .name = "rw", | |
72 | .type = FIO_OPT_STR, | |
b1ec1da6 | 73 | .off1 = td_var_offset(td_ddir), |
15f7918f | 74 | .help = "IO direction", |
ee738499 | 75 | .def = "read", |
b1ec1da6 JA |
76 | .posval = { |
77 | { .ival = "read", .oval = TD_DDIR_READ }, | |
78 | { .ival = "write", .oval = TD_DDIR_WRITE }, | |
79 | { .ival = "randread", .oval = TD_DDIR_RANDREAD }, | |
80 | { .ival = "randwrite", .oval = TD_DDIR_RANDWRITE }, | |
81 | { .ival = "rw", .oval = TD_DDIR_RW }, | |
82 | { .ival = "randrw", .oval = TD_DDIR_RANDRW }, | |
83 | }, | |
e1f36503 JA |
84 | }, |
85 | { | |
86 | .name = "ioengine", | |
09629a90 JA |
87 | .type = FIO_OPT_STR_STORE, |
88 | .off1 = td_var_offset(ioengine), | |
15f7918f | 89 | .help = "IO engine to use", |
ee738499 | 90 | .def = "sync", |
b1ec1da6 | 91 | .posval = { |
10cad1aa JA |
92 | { .ival = "sync", }, |
93 | #ifdef FIO_HAVE_LIBAIO | |
94 | { .ival = "libaio", }, | |
95 | #endif | |
96 | #ifdef FIO_HAVE_POSIXAIO | |
97 | { .ival = "posixaio", }, | |
98 | #endif | |
99 | { .ival = "mmap", }, | |
100 | #ifdef FIO_HAVE_SPLICE | |
101 | { .ival = "splice", }, | |
102 | #endif | |
103 | #ifdef FIO_HAVE_SGIO | |
104 | { .ival = "sg", }, | |
105 | #endif | |
b1ec1da6 | 106 | { .ival = "null", }, { .ival = "net", }, |
10cad1aa | 107 | #ifdef FIO_HAVE_SYSLET |
b1ec1da6 | 108 | { .ival = "syslet-rw", }, |
10cad1aa | 109 | #endif |
ba0fbe10 | 110 | { .ival = "cpuio", }, |
7b395ca5 | 111 | { .ival = "external", }, |
b1ec1da6 | 112 | }, |
e1f36503 | 113 | }, |
03b74b3e JA |
114 | { |
115 | .name = "iodepth", | |
116 | .type = FIO_OPT_INT, | |
117 | .off1 = td_var_offset(iodepth), | |
118 | .help = "Amount of IO buffers to keep in flight", | |
119 | .def = "1", | |
120 | }, | |
cb5ab512 JA |
121 | { |
122 | .name = "iodepth_batch", | |
123 | .type = FIO_OPT_INT, | |
124 | .off1 = td_var_offset(iodepth_batch), | |
125 | .help = "Number of IO to submit in one go", | |
126 | }, | |
e916b390 JA |
127 | { |
128 | .name = "iodepth_low", | |
129 | .type = FIO_OPT_INT, | |
130 | .off1 = td_var_offset(iodepth_low), | |
131 | .help = "Low water mark for queuing depth", | |
132 | }, | |
03b74b3e JA |
133 | { |
134 | .name = "size", | |
135 | .type = FIO_OPT_STR_VAL, | |
136 | .off1 = td_var_offset(total_file_size), | |
137 | .help = "Size of device or file", | |
138 | }, | |
139 | { | |
140 | .name = "bs", | |
141 | .type = FIO_OPT_STR_VAL_INT, | |
142 | .off1 = td_var_offset(bs[DDIR_READ]), | |
143 | .off2 = td_var_offset(bs[DDIR_WRITE]), | |
144 | .help = "Block size unit", | |
145 | .def = "4k", | |
146 | }, | |
147 | { | |
148 | .name = "bsrange", | |
149 | .type = FIO_OPT_RANGE, | |
150 | .off1 = td_var_offset(min_bs[DDIR_READ]), | |
151 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
152 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), | |
153 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
154 | .help = "Set block size range (in more detail than bs)", | |
155 | }, | |
156 | { | |
157 | .name = "bs_unaligned", | |
158 | .type = FIO_OPT_STR_SET, | |
159 | .off1 = td_var_offset(bs_unaligned), | |
160 | .help = "Don't sector align IO buffer sizes", | |
161 | }, | |
162 | { | |
163 | .name = "offset", | |
164 | .type = FIO_OPT_STR_VAL, | |
165 | .off1 = td_var_offset(start_offset), | |
166 | .help = "Start IO from this offset", | |
167 | .def = "0", | |
168 | }, | |
169 | { | |
170 | .name = "randrepeat", | |
171 | .type = FIO_OPT_BOOL, | |
172 | .off1 = td_var_offset(rand_repeatable), | |
173 | .help = "Use repeatable random IO pattern", | |
174 | .def = "1", | |
175 | }, | |
176 | { | |
177 | .name = "norandommap", | |
178 | .type = FIO_OPT_STR_SET, | |
179 | .off1 = td_var_offset(norandommap), | |
180 | .help = "Accept potential duplicate random blocks", | |
181 | }, | |
182 | { | |
183 | .name = "nrfiles", | |
184 | .type = FIO_OPT_INT, | |
185 | .off1 = td_var_offset(nr_files), | |
186 | .help = "Split job workload between this number of files", | |
187 | .def = "1", | |
188 | }, | |
b5af8293 JA |
189 | { |
190 | .name = "openfiles", | |
191 | .type = FIO_OPT_INT, | |
192 | .off1 = td_var_offset(open_files), | |
193 | .help = "Number of files to keep open at the same time", | |
194 | }, | |
0aabe160 JA |
195 | { |
196 | .name = "file_service_type", | |
197 | .type = FIO_OPT_STR, | |
1907dbc6 | 198 | .cb = str_fst_cb, |
b1ec1da6 | 199 | .off1 = td_var_offset(file_service_type), |
0aabe160 JA |
200 | .help = "How to select which file to service next", |
201 | .def = "roundrobin", | |
b1ec1da6 JA |
202 | .posval = { |
203 | { .ival = "random", .oval = FIO_FSERVICE_RANDOM }, | |
204 | { .ival = "roundrobin", .oval = FIO_FSERVICE_RR }, | |
205 | }, | |
0aabe160 | 206 | }, |
03b74b3e JA |
207 | { |
208 | .name = "fsync", | |
209 | .type = FIO_OPT_INT, | |
210 | .off1 = td_var_offset(fsync_blocks), | |
211 | .help = "Issue fsync for writes every given number of blocks", | |
212 | .def = "0", | |
213 | }, | |
214 | { | |
215 | .name = "direct", | |
216 | .type = FIO_OPT_BOOL, | |
217 | .off1 = td_var_offset(odirect), | |
76a43db4 JA |
218 | .help = "Use O_DIRECT IO (negates buffered)", |
219 | .def = "0", | |
220 | }, | |
221 | { | |
222 | .name = "buffered", | |
223 | .type = FIO_OPT_BOOL, | |
224 | .off1 = td_var_offset(odirect), | |
225 | .neg = 1, | |
226 | .help = "Use buffered IO (negates direct)", | |
03b74b3e JA |
227 | .def = "1", |
228 | }, | |
229 | { | |
230 | .name = "overwrite", | |
231 | .type = FIO_OPT_BOOL, | |
232 | .off1 = td_var_offset(overwrite), | |
233 | .help = "When writing, set whether to overwrite current data", | |
234 | .def = "0", | |
235 | }, | |
236 | { | |
237 | .name = "loops", | |
238 | .type = FIO_OPT_INT, | |
239 | .off1 = td_var_offset(loops), | |
240 | .help = "Number of times to run the job", | |
241 | .def = "1", | |
242 | }, | |
243 | { | |
244 | .name = "numjobs", | |
245 | .type = FIO_OPT_INT, | |
246 | .off1 = td_var_offset(numjobs), | |
247 | .help = "Duplicate this job this many times", | |
248 | .def = "1", | |
249 | }, | |
250 | { | |
251 | .name = "startdelay", | |
252 | .type = FIO_OPT_INT, | |
253 | .off1 = td_var_offset(start_delay), | |
254 | .help = "Only start job when this period has passed", | |
255 | .def = "0", | |
256 | }, | |
257 | { | |
258 | .name = "runtime", | |
259 | .alias = "timeout", | |
260 | .type = FIO_OPT_STR_VAL_TIME, | |
261 | .off1 = td_var_offset(timeout), | |
262 | .help = "Stop workload when this amount of time has passed", | |
263 | .def = "0", | |
264 | }, | |
e1f36503 JA |
265 | { |
266 | .name = "mem", | |
267 | .type = FIO_OPT_STR, | |
268 | .cb = str_mem_cb, | |
b1ec1da6 | 269 | .off1 = td_var_offset(mem_type), |
15f7918f | 270 | .help = "Backing type for IO buffers", |
ee738499 | 271 | .def = "malloc", |
b1ec1da6 JA |
272 | .posval = { |
273 | { .ival = "malloc", .oval = MEM_MALLOC }, | |
274 | { .ival = "shm", .oval = MEM_SHM }, | |
275 | #ifdef FIO_HAVE_HUGETLB | |
276 | { .ival = "shmhuge", .oval = MEM_SHMHUGE }, | |
277 | #endif | |
278 | { .ival = "mmap", .oval = MEM_MMAP }, | |
279 | #ifdef FIO_HAVE_HUGETLB | |
280 | { .ival = "mmaphuge", .oval = MEM_MMAPHUGE }, | |
281 | #endif | |
282 | }, | |
e1f36503 JA |
283 | }, |
284 | { | |
285 | .name = "verify", | |
286 | .type = FIO_OPT_STR, | |
b1ec1da6 | 287 | .off1 = td_var_offset(verify), |
15f7918f | 288 | .help = "Verify sum function", |
ee738499 | 289 | .def = "0", |
b1ec1da6 JA |
290 | .posval = { |
291 | { .ival = "0", .oval = VERIFY_NONE }, | |
292 | { .ival = "crc32", .oval = VERIFY_CRC32 }, | |
293 | { .ival = "md5", .oval = VERIFY_MD5 }, | |
294 | }, | |
e1f36503 JA |
295 | }, |
296 | { | |
297 | .name = "write_iolog", | |
076efc7c JA |
298 | .type = FIO_OPT_STR_STORE, |
299 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 300 | .help = "Store IO pattern to file", |
e1f36503 JA |
301 | }, |
302 | { | |
076efc7c | 303 | .name = "read_iolog", |
e1f36503 | 304 | .type = FIO_OPT_STR_STORE, |
076efc7c | 305 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 306 | .help = "Playback IO pattern from file", |
e1f36503 JA |
307 | }, |
308 | { | |
309 | .name = "exec_prerun", | |
310 | .type = FIO_OPT_STR_STORE, | |
311 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 312 | .help = "Execute this file prior to running job", |
e1f36503 JA |
313 | }, |
314 | { | |
315 | .name = "exec_postrun", | |
316 | .type = FIO_OPT_STR_STORE, | |
317 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 318 | .help = "Execute this file after running job", |
e1f36503 JA |
319 | }, |
320 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
321 | { | |
322 | .name = "ioscheduler", | |
323 | .type = FIO_OPT_STR_STORE, | |
324 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 325 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
326 | }, |
327 | #endif | |
e1f36503 JA |
328 | { |
329 | .name = "zonesize", | |
330 | .type = FIO_OPT_STR_VAL, | |
331 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 332 | .help = "Give size of an IO zone", |
ee738499 | 333 | .def = "0", |
e1f36503 JA |
334 | }, |
335 | { | |
336 | .name = "zoneskip", | |
337 | .type = FIO_OPT_STR_VAL, | |
338 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 339 | .help = "Space between IO zones", |
ee738499 | 340 | .def = "0", |
e1f36503 JA |
341 | }, |
342 | { | |
343 | .name = "lockmem", | |
344 | .type = FIO_OPT_STR_VAL, | |
345 | .cb = str_lockmem_cb, | |
fd28ca49 | 346 | .help = "Lock down this amount of memory", |
ee738499 | 347 | .def = "0", |
e1f36503 | 348 | }, |
e1f36503 JA |
349 | { |
350 | .name = "rwmixcycle", | |
351 | .type = FIO_OPT_INT, | |
352 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
353 | .help = "Cycle period for mixed read/write workloads (msec)", |
354 | .def = "500", | |
e1f36503 JA |
355 | }, |
356 | { | |
357 | .name = "rwmixread", | |
358 | .type = FIO_OPT_INT, | |
359 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 360 | .maxval = 100, |
fd28ca49 | 361 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 362 | .def = "50", |
e1f36503 JA |
363 | }, |
364 | { | |
365 | .name = "rwmixwrite", | |
366 | .type = FIO_OPT_INT, | |
367 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 368 | .maxval = 100, |
fd28ca49 | 369 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 370 | .def = "50", |
e1f36503 JA |
371 | }, |
372 | { | |
373 | .name = "nice", | |
374 | .type = FIO_OPT_INT, | |
375 | .off1 = td_var_offset(nice), | |
fd28ca49 | 376 | .help = "Set job CPU nice value", |
15f7918f | 377 | .minval = -19, |
ee738499 JA |
378 | .maxval = 20, |
379 | .def = "0", | |
e1f36503 JA |
380 | }, |
381 | #ifdef FIO_HAVE_IOPRIO | |
382 | { | |
383 | .name = "prio", | |
384 | .type = FIO_OPT_INT, | |
385 | .cb = str_prio_cb, | |
fd28ca49 | 386 | .help = "Set job IO priority value", |
15f7918f JA |
387 | .minval = 0, |
388 | .maxval = 7, | |
e1f36503 JA |
389 | }, |
390 | { | |
391 | .name = "prioclass", | |
392 | .type = FIO_OPT_INT, | |
393 | .cb = str_prioclass_cb, | |
fd28ca49 | 394 | .help = "Set job IO priority class", |
15f7918f JA |
395 | .minval = 0, |
396 | .maxval = 3, | |
e1f36503 JA |
397 | }, |
398 | #endif | |
399 | { | |
400 | .name = "thinktime", | |
401 | .type = FIO_OPT_INT, | |
1304923a | 402 | .off1 = td_var_offset(thinktime), |
5fa0f817 | 403 | .help = "Idle time between IO buffers (usec)", |
ee738499 | 404 | .def = "0", |
e1f36503 | 405 | }, |
48097d5c JA |
406 | { |
407 | .name = "thinktime_spin", | |
408 | .type = FIO_OPT_INT, | |
409 | .off1 = td_var_offset(thinktime_spin), | |
34403fb1 | 410 | .help = "Start think time by spinning this amount (usec)", |
48097d5c JA |
411 | .def = "0", |
412 | }, | |
9c1f7434 JA |
413 | { |
414 | .name = "thinktime_blocks", | |
415 | .type = FIO_OPT_INT, | |
1304923a | 416 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 417 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 418 | .def = "1", |
9c1f7434 | 419 | }, |
e1f36503 JA |
420 | { |
421 | .name = "rate", | |
422 | .type = FIO_OPT_INT, | |
1304923a | 423 | .off1 = td_var_offset(rate), |
fd28ca49 | 424 | .help = "Set bandwidth rate", |
e1f36503 JA |
425 | }, |
426 | { | |
427 | .name = "ratemin", | |
428 | .type = FIO_OPT_INT, | |
1304923a | 429 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 430 | .help = "The bottom limit accepted", |
e1f36503 JA |
431 | }, |
432 | { | |
433 | .name = "ratecycle", | |
434 | .type = FIO_OPT_INT, | |
1304923a | 435 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 436 | .help = "Window average for rate limits (msec)", |
ee738499 | 437 | .def = "1000", |
e1f36503 | 438 | }, |
e1f36503 JA |
439 | { |
440 | .name = "invalidate", | |
13335ddb | 441 | .type = FIO_OPT_BOOL, |
1304923a | 442 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 443 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 444 | .def = "1", |
e1f36503 JA |
445 | }, |
446 | { | |
447 | .name = "sync", | |
13335ddb | 448 | .type = FIO_OPT_BOOL, |
1304923a | 449 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 450 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 451 | .def = "0", |
e1f36503 JA |
452 | }, |
453 | { | |
454 | .name = "bwavgtime", | |
455 | .type = FIO_OPT_INT, | |
1304923a | 456 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
457 | .help = "Time window over which to calculate bandwidth (msec)", |
458 | .def = "500", | |
e1f36503 JA |
459 | }, |
460 | { | |
461 | .name = "create_serialize", | |
13335ddb | 462 | .type = FIO_OPT_BOOL, |
1304923a | 463 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 464 | .help = "Serialize creating of job files", |
ee738499 | 465 | .def = "1", |
e1f36503 JA |
466 | }, |
467 | { | |
468 | .name = "create_fsync", | |
13335ddb | 469 | .type = FIO_OPT_BOOL, |
1304923a | 470 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 471 | .help = "Fsync file after creation", |
ee738499 | 472 | .def = "1", |
e1f36503 | 473 | }, |
e1f36503 JA |
474 | { |
475 | .name = "cpuload", | |
476 | .type = FIO_OPT_INT, | |
1304923a | 477 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 478 | .help = "Use this percentage of CPU", |
e1f36503 JA |
479 | }, |
480 | { | |
481 | .name = "cpuchunks", | |
482 | .type = FIO_OPT_INT, | |
1304923a | 483 | .off1 = td_var_offset(cpucycle), |
ba0fbe10 JA |
484 | .help = "Length of the CPU burn cycles (usecs)", |
485 | .def = "50000", | |
e1f36503 | 486 | }, |
e1f36503 JA |
487 | #ifdef FIO_HAVE_CPU_AFFINITY |
488 | { | |
489 | .name = "cpumask", | |
490 | .type = FIO_OPT_INT, | |
491 | .cb = str_cpumask_cb, | |
fd28ca49 | 492 | .help = "CPU affinity mask", |
e1f36503 JA |
493 | }, |
494 | #endif | |
495 | { | |
496 | .name = "end_fsync", | |
13335ddb | 497 | .type = FIO_OPT_BOOL, |
1304923a | 498 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 499 | .help = "Include fsync at the end of job", |
ee738499 | 500 | .def = "0", |
e1f36503 JA |
501 | }, |
502 | { | |
503 | .name = "unlink", | |
13335ddb | 504 | .type = FIO_OPT_BOOL, |
e1f36503 | 505 | .off1 = td_var_offset(unlink), |
ee738499 | 506 | .help = "Unlink created files after job has completed", |
e545a6ce | 507 | .def = "0", |
e1f36503 JA |
508 | }, |
509 | { | |
510 | .name = "exitall", | |
511 | .type = FIO_OPT_STR_SET, | |
512 | .cb = str_exitall_cb, | |
fd28ca49 | 513 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
514 | }, |
515 | { | |
516 | .name = "stonewall", | |
517 | .type = FIO_OPT_STR_SET, | |
518 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 519 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
520 | }, |
521 | { | |
522 | .name = "thread", | |
523 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 524 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 525 | .help = "Use threads instead of forks", |
e1f36503 JA |
526 | }, |
527 | { | |
528 | .name = "write_bw_log", | |
529 | .type = FIO_OPT_STR_SET, | |
530 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 531 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
532 | }, |
533 | { | |
534 | .name = "write_lat_log", | |
535 | .type = FIO_OPT_STR_SET, | |
536 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 537 | .help = "Write log of latency during run", |
e1f36503 | 538 | }, |
56bb17f2 JA |
539 | { |
540 | .name = "hugepage-size", | |
541 | .type = FIO_OPT_STR_VAL, | |
542 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 543 | .help = "When using hugepages, specify size of each page", |
ee738499 | 544 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 545 | }, |
b2560f3c JA |
546 | { |
547 | .name = "group_reporting", | |
548 | .type = FIO_OPT_STR_SET, | |
549 | .off1 = td_var_offset(group_reporting), | |
550 | .help = "Do reporting on a per-group basis", | |
551 | }, | |
e1f36503 JA |
552 | { |
553 | .name = NULL, | |
554 | }, | |
555 | }; | |
556 | ||
b4692828 JA |
557 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
558 | #define FIO_CMD_OPTS (16) | |
559 | #define FIO_GETOPT_JOB (0x89988998) | |
560 | ||
561 | /* | |
562 | * Command line options. These will contain the above, plus a few | |
563 | * extra that only pertain to fio itself and not jobs. | |
564 | */ | |
565 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
566 | { | |
567 | .name = "output", | |
568 | .has_arg = required_argument, | |
569 | .val = 'o', | |
570 | }, | |
571 | { | |
572 | .name = "timeout", | |
573 | .has_arg = required_argument, | |
574 | .val = 't', | |
575 | }, | |
576 | { | |
577 | .name = "latency-log", | |
578 | .has_arg = required_argument, | |
579 | .val = 'l', | |
580 | }, | |
581 | { | |
582 | .name = "bandwidth-log", | |
583 | .has_arg = required_argument, | |
584 | .val = 'b', | |
585 | }, | |
586 | { | |
587 | .name = "minimal", | |
588 | .has_arg = optional_argument, | |
589 | .val = 'm', | |
590 | }, | |
591 | { | |
592 | .name = "version", | |
593 | .has_arg = no_argument, | |
594 | .val = 'v', | |
595 | }, | |
fd28ca49 JA |
596 | { |
597 | .name = "help", | |
598 | .has_arg = no_argument, | |
599 | .val = 'h', | |
600 | }, | |
601 | { | |
602 | .name = "cmdhelp", | |
320beefe | 603 | .has_arg = optional_argument, |
fd28ca49 JA |
604 | .val = 'c', |
605 | }, | |
b4692828 JA |
606 | { |
607 | .name = NULL, | |
608 | }, | |
609 | }; | |
610 | ||
ee738499 | 611 | static int def_timeout = 0; |
972cfd25 | 612 | |
fdf3de27 | 613 | static char fio_version_string[] = "fio 1.13"; |
ebac4655 | 614 | |
972cfd25 | 615 | static char **ini_file; |
ebac4655 JA |
616 | static int max_jobs = MAX_JOBS; |
617 | ||
618 | struct thread_data def_thread; | |
619 | struct thread_data *threads = NULL; | |
620 | ||
ebac4655 | 621 | int exitall_on_terminate = 0; |
c6ae0a5b | 622 | int terse_output = 0; |
c04f7ec3 | 623 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
624 | FILE *f_out = NULL; |
625 | FILE *f_err = NULL; | |
ebac4655 | 626 | |
ee738499 | 627 | static int write_lat_log = 0; |
bb3884d8 | 628 | int write_bw_log = 0; |
ec94ec56 | 629 | |
3c5df6fa JA |
630 | static int prev_group_jobs; |
631 | ||
9728ce37 JB |
632 | FILE *get_f_out() |
633 | { | |
634 | return f_out; | |
635 | } | |
636 | ||
637 | FILE *get_f_err() | |
638 | { | |
639 | return f_err; | |
640 | } | |
641 | ||
906c8d75 JA |
642 | /* |
643 | * Return a free job structure. | |
644 | */ | |
ebac4655 JA |
645 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
646 | { | |
647 | struct thread_data *td; | |
648 | ||
649 | if (global) | |
650 | return &def_thread; | |
651 | if (thread_number >= max_jobs) | |
652 | return NULL; | |
653 | ||
654 | td = &threads[thread_number++]; | |
ddaeaa5a | 655 | *td = *parent; |
ebac4655 | 656 | |
ebac4655 | 657 | td->thread_number = thread_number; |
ebac4655 JA |
658 | return td; |
659 | } | |
660 | ||
661 | static void put_job(struct thread_data *td) | |
662 | { | |
549577a7 JA |
663 | if (td == &def_thread) |
664 | return; | |
665 | ||
16edf25d JA |
666 | if (td->error) |
667 | fprintf(f_out, "fio: %s\n", td->verror); | |
668 | ||
ebac4655 JA |
669 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
670 | thread_number--; | |
671 | } | |
672 | ||
dad915e3 JA |
673 | /* |
674 | * Lazy way of fixing up options that depend on each other. We could also | |
675 | * define option callback handlers, but this is easier. | |
676 | */ | |
e1f36503 JA |
677 | static void fixup_options(struct thread_data *td) |
678 | { | |
e1f36503 JA |
679 | if (!td->rwmixread && td->rwmixwrite) |
680 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 681 | |
076efc7c JA |
682 | if (td->write_iolog_file && td->read_iolog_file) { |
683 | log_err("fio: read iolog overrides write_iolog\n"); | |
684 | free(td->write_iolog_file); | |
685 | td->write_iolog_file = NULL; | |
686 | } | |
16b462ae JA |
687 | |
688 | if (td->io_ops->flags & FIO_SYNCIO) | |
689 | td->iodepth = 1; | |
690 | else { | |
691 | if (!td->iodepth) | |
b5af8293 | 692 | td->iodepth = td->open_files; |
16b462ae JA |
693 | } |
694 | ||
695 | /* | |
696 | * only really works for sequential io for now, and with 1 file | |
697 | */ | |
b5af8293 | 698 | if (td->zone_size && td_random(td) && td->open_files == 1) |
16b462ae JA |
699 | td->zone_size = 0; |
700 | ||
701 | /* | |
702 | * Reads can do overwrites, we always need to pre-create the file | |
703 | */ | |
704 | if (td_read(td) || td_rw(td)) | |
705 | td->overwrite = 1; | |
706 | ||
a00735e6 JA |
707 | if (!td->min_bs[DDIR_READ]) |
708 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
709 | if (!td->max_bs[DDIR_READ]) | |
710 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
711 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 712 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 713 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 714 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
715 | |
716 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
717 | ||
16b462ae JA |
718 | if (td_read(td) && !td_rw(td)) |
719 | td->verify = 0; | |
bb8895e0 JA |
720 | |
721 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
722 | log_err("fio: norandommap given, verify disabled\n"); | |
723 | td->verify = VERIFY_NONE; | |
724 | } | |
690adba3 JA |
725 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
726 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 | 727 | |
48097d5c JA |
728 | /* |
729 | * thinktime_spin must be less than thinktime | |
730 | */ | |
731 | if (td->thinktime_spin > td->thinktime) | |
732 | td->thinktime_spin = td->thinktime; | |
e916b390 JA |
733 | |
734 | /* | |
735 | * The low water mark cannot be bigger than the iodepth | |
736 | */ | |
9467b77c JA |
737 | if (td->iodepth_low > td->iodepth || !td->iodepth_low) { |
738 | /* | |
739 | * syslet work around - if the workload is sequential, | |
740 | * we want to let the queue drain all the way down to | |
741 | * avoid seeking between async threads | |
742 | */ | |
743 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
744 | td->iodepth_low = 1; | |
745 | else | |
746 | td->iodepth_low = td->iodepth; | |
747 | } | |
cb5ab512 JA |
748 | |
749 | /* | |
750 | * If batch number isn't set, default to the same as iodepth | |
751 | */ | |
752 | if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) | |
753 | td->iodepth_batch = td->iodepth; | |
b5af8293 | 754 | |
0ad920e7 JA |
755 | if (!td->nr_files) |
756 | td->nr_files = td->open_files; | |
757 | else if (td->open_files > td->nr_files || !td->open_files) | |
b5af8293 | 758 | td->open_files = td->nr_files; |
e1f36503 JA |
759 | } |
760 | ||
f8977ee6 JA |
761 | /* |
762 | * This function leaks the buffer | |
763 | */ | |
764 | static char *to_kmg(unsigned int val) | |
765 | { | |
766 | char *buf = malloc(32); | |
f3502ba2 | 767 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
768 | char *p = post; |
769 | ||
245142ff | 770 | do { |
f8977ee6 JA |
771 | if (val & 1023) |
772 | break; | |
773 | ||
774 | val >>= 10; | |
775 | p++; | |
245142ff | 776 | } while (*p); |
f8977ee6 JA |
777 | |
778 | snprintf(buf, 31, "%u%c", val, *p); | |
779 | return buf; | |
780 | } | |
781 | ||
09629a90 JA |
782 | /* External engines are specified by "external:name.o") */ |
783 | static const char *get_engine_name(const char *str) | |
784 | { | |
785 | char *p = strstr(str, ":"); | |
786 | ||
787 | if (!p) | |
788 | return str; | |
789 | ||
790 | p++; | |
791 | strip_blank_front(&p); | |
792 | strip_blank_end(p); | |
793 | return p; | |
794 | } | |
795 | ||
906c8d75 JA |
796 | /* |
797 | * Adds a job to the list of things todo. Sanitizes the various options | |
798 | * to make sure we don't have conflicts, and initializes various | |
799 | * members of td. | |
800 | */ | |
75154845 | 801 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 802 | { |
413dd459 JA |
803 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
804 | "randread", "randwrite", "randrw" }; | |
af52b345 | 805 | unsigned int i; |
53cdc686 | 806 | struct fio_file *f; |
09629a90 | 807 | const char *engine; |
af52b345 JA |
808 | char fname[PATH_MAX]; |
809 | int numjobs; | |
ebac4655 | 810 | |
ebac4655 JA |
811 | /* |
812 | * the def_thread is just for options, it's not a real job | |
813 | */ | |
814 | if (td == &def_thread) | |
815 | return 0; | |
816 | ||
09629a90 JA |
817 | engine = get_engine_name(td->ioengine); |
818 | td->io_ops = load_ioengine(td, engine); | |
819 | if (!td->io_ops) { | |
820 | log_err("fio: failed to load engine %s\n", engine); | |
821 | return 1; | |
822 | } | |
df64119d | 823 | |
9cedf167 JA |
824 | if (td->use_thread) |
825 | nr_thread++; | |
826 | else | |
827 | nr_process++; | |
828 | ||
690adba3 JA |
829 | if (td->odirect) |
830 | td->io_ops->flags |= FIO_RAWIO; | |
831 | ||
af52b345 | 832 | if (!td->filename) { |
80be24f4 JA |
833 | td->filename = strdup(jobname); |
834 | ||
7b05a215 JA |
835 | if (td->nr_files == 1) |
836 | add_file(td, td->filename); | |
837 | else { | |
838 | for (i = 0; i < td->nr_files; i++) { | |
839 | sprintf(fname, "%s.%d.%d", td->filename, td->thread_number, i); | |
840 | add_file(td, fname); | |
841 | } | |
af52b345 | 842 | } |
0af7b542 | 843 | } |
ebac4655 | 844 | |
e0a22335 JA |
845 | fixup_options(td); |
846 | ||
af52b345 JA |
847 | for_each_file(td, f, i) { |
848 | if (td->directory && f->filetype == FIO_TYPE_FILE) { | |
849 | sprintf(fname, "%s/%s", td->directory, f->file_name); | |
850 | f->file_name = strdup(fname); | |
53cdc686 | 851 | } |
53cdc686 | 852 | |
53cdc686 JA |
853 | f->file_size = td->total_file_size / td->nr_files; |
854 | f->file_offset = td->start_offset; | |
855 | } | |
856 | ||
07739b57 | 857 | td->mutex = fio_sem_init(0); |
ebac4655 | 858 | |
756867bd JA |
859 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
860 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
861 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 862 | |
3c5df6fa JA |
863 | if ((td->stonewall || td->numjobs > 1) && prev_group_jobs) { |
864 | prev_group_jobs = 0; | |
ebac4655 | 865 | groupid++; |
3c5df6fa | 866 | } |
ebac4655 JA |
867 | |
868 | td->groupid = groupid; | |
3c5df6fa | 869 | prev_group_jobs++; |
ebac4655 JA |
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) { |
ba0fbe10 | 886 | if (!strcmp(td->io_ops->name, "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 | } | |
3c5df6fa JA |
925 | |
926 | if (td->numjobs > 1) { | |
927 | groupid++; | |
928 | prev_group_jobs = 0; | |
929 | } | |
930 | ||
ebac4655 JA |
931 | return 0; |
932 | err: | |
933 | put_job(td); | |
934 | return -1; | |
935 | } | |
936 | ||
906c8d75 JA |
937 | /* |
938 | * Initialize the various random states we need (random io, block size ranges, | |
939 | * read/write mix, etc). | |
940 | */ | |
ebac4655 JA |
941 | int init_random_state(struct thread_data *td) |
942 | { | |
0aabe160 | 943 | unsigned long seeds[5]; |
af52b345 | 944 | int fd, num_maps, blocks; |
0ab8db89 | 945 | struct fio_file *f; |
af52b345 | 946 | unsigned int i; |
ebac4655 | 947 | |
ba0fbe10 | 948 | if (td->io_ops->flags & FIO_DISKLESSIO) |
f48b467c JA |
949 | return 0; |
950 | ||
1ac267bb | 951 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 | 952 | if (fd == -1) { |
e1161c32 | 953 | td_verror(td, errno, "open"); |
ebac4655 JA |
954 | return 1; |
955 | } | |
956 | ||
a6ccc7be | 957 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
e1161c32 | 958 | td_verror(td, EIO, "read"); |
ebac4655 JA |
959 | close(fd); |
960 | return 1; | |
961 | } | |
962 | ||
963 | close(fd); | |
964 | ||
6dfd46b9 JA |
965 | os_random_seed(seeds[0], &td->bsrange_state); |
966 | os_random_seed(seeds[1], &td->verify_state); | |
967 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 | 968 | |
413dd459 JA |
969 | if (td->file_service_type == FIO_FSERVICE_RANDOM) |
970 | os_random_seed(seeds[3], &td->next_file_state); | |
971 | ||
972 | if (!td_random(td)) | |
ebac4655 JA |
973 | return 0; |
974 | ||
9ebc27e1 | 975 | if (td->rand_repeatable) |
0aabe160 | 976 | seeds[4] = FIO_RANDSEED * td->thread_number; |
ebac4655 | 977 | |
bb8895e0 JA |
978 | if (!td->norandommap) { |
979 | for_each_file(td, f, i) { | |
a4a81712 | 980 | blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 981 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 | 982 | f->file_map = malloc(num_maps * sizeof(long)); |
bda4fd9e JA |
983 | if (!f->file_map) { |
984 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
985 | return 1; | |
986 | } | |
bb8895e0 JA |
987 | f->num_maps = num_maps; |
988 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
989 | } | |
53cdc686 | 990 | } |
ebac4655 | 991 | |
0aabe160 | 992 | os_random_seed(seeds[4], &td->random_state); |
ebac4655 JA |
993 | return 0; |
994 | } | |
995 | ||
996 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
997 | { | |
998 | #ifdef FIO_HAVE_CPU_AFFINITY | |
999 | unsigned int i; | |
1000 | ||
1001 | CPU_ZERO(&cpumask); | |
1002 | ||
1003 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1004 | if ((1 << i) & cpu) | |
1005 | CPU_SET(i, &cpumask); | |
1006 | } | |
1007 | #endif | |
1008 | } | |
1009 | ||
ebac4655 JA |
1010 | static int is_empty_or_comment(char *line) |
1011 | { | |
1012 | unsigned int i; | |
1013 | ||
1014 | for (i = 0; i < strlen(line); i++) { | |
1015 | if (line[i] == ';') | |
1016 | return 1; | |
5cc2da30 IM |
1017 | if (line[i] == '#') |
1018 | return 1; | |
ebac4655 JA |
1019 | if (!isspace(line[i]) && !iscntrl(line[i])) |
1020 | return 0; | |
1021 | } | |
1022 | ||
1023 | return 1; | |
1024 | } | |
1025 | ||
313cb206 JA |
1026 | /* |
1027 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
1028 | */ | |
1907dbc6 | 1029 | static char *get_opt_postfix(const char *str) |
313cb206 JA |
1030 | { |
1031 | char *p = strstr(str, ":"); | |
1032 | ||
1033 | if (!p) | |
1034 | return NULL; | |
1035 | ||
1036 | p++; | |
1037 | strip_blank_front(&p); | |
1038 | strip_blank_end(p); | |
1039 | return strdup(p); | |
1040 | } | |
1041 | ||
b4692828 | 1042 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 1043 | { |
cb2c86fd JA |
1044 | struct thread_data *td = data; |
1045 | ||
b1ec1da6 | 1046 | if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) { |
1907dbc6 | 1047 | td->mmapfile = get_opt_postfix(mem); |
b1ec1da6 | 1048 | if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) { |
d0bdaf49 JA |
1049 | log_err("fio: mmaphuge:/path/to/file\n"); |
1050 | return 1; | |
1051 | } | |
ebac4655 JA |
1052 | } |
1053 | ||
b1ec1da6 | 1054 | return 0; |
ebac4655 JA |
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 | ||
1907dbc6 JA |
1095 | static int str_fst_cb(void *data, const char *str) |
1096 | { | |
1097 | struct thread_data *td = data; | |
1098 | char *nr = get_opt_postfix(str); | |
1099 | ||
1100 | td->file_service_nr = 1; | |
1101 | if (nr) | |
1102 | td->file_service_nr = atoi(nr); | |
1103 | ||
1104 | return 0; | |
1105 | } | |
1106 | ||
af52b345 JA |
1107 | static int str_filename_cb(void *data, const char *input) |
1108 | { | |
1109 | struct thread_data *td = data; | |
cae61953 | 1110 | char *fname, *str, *p; |
af52b345 | 1111 | |
0ad920e7 | 1112 | td->nr_files = 0; |
cae61953 | 1113 | p = str = strdup(input); |
e13363eb JA |
1114 | |
1115 | strip_blank_front(&str); | |
1116 | strip_blank_end(str); | |
1117 | ||
0ad920e7 | 1118 | while ((fname = strsep(&str, ":")) != NULL) { |
e13363eb JA |
1119 | if (!strlen(fname)) |
1120 | break; | |
af52b345 | 1121 | add_file(td, fname); |
0ad920e7 JA |
1122 | td->nr_files++; |
1123 | } | |
af52b345 | 1124 | |
cae61953 | 1125 | free(p); |
af52b345 JA |
1126 | return 0; |
1127 | } | |
1128 | ||
1129 | static int str_directory_cb(void *data, const char fio_unused *str) | |
1130 | { | |
1131 | struct thread_data *td = data; | |
1132 | struct stat sb; | |
1133 | ||
1134 | if (lstat(td->directory, &sb) < 0) { | |
1135 | log_err("fio: %s is not a directory\n", td->directory); | |
1136 | td_verror(td, errno, "lstat"); | |
1137 | return 1; | |
1138 | } | |
1139 | if (!S_ISDIR(sb.st_mode)) { | |
1140 | log_err("fio: %s is not a directory\n", td->directory); | |
1141 | return 1; | |
1142 | } | |
1143 | ||
1144 | return 0; | |
1145 | } | |
1146 | ||
07261983 JA |
1147 | /* |
1148 | * This is our [ini] type file parser. | |
1149 | */ | |
1e97cce9 | 1150 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1151 | { |
e1f36503 | 1152 | unsigned int global; |
ebac4655 | 1153 | struct thread_data *td; |
fee3bb48 | 1154 | char *string, *name; |
ebac4655 JA |
1155 | fpos_t off; |
1156 | FILE *f; | |
1157 | char *p; | |
0c7e37a0 | 1158 | int ret = 0, stonewall; |
ebac4655 JA |
1159 | |
1160 | f = fopen(file, "r"); | |
1161 | if (!f) { | |
aea47d44 | 1162 | perror("fopen job file"); |
ebac4655 JA |
1163 | return 1; |
1164 | } | |
1165 | ||
1166 | string = malloc(4096); | |
1167 | name = malloc(256); | |
fee3bb48 | 1168 | memset(name, 0, 256); |
ebac4655 | 1169 | |
0c7e37a0 | 1170 | stonewall = stonewall_flag; |
7c124ac1 JA |
1171 | do { |
1172 | p = fgets(string, 4095, f); | |
1173 | if (!p) | |
45410acb | 1174 | break; |
ebac4655 JA |
1175 | if (is_empty_or_comment(p)) |
1176 | continue; | |
fee3bb48 | 1177 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1178 | continue; |
1179 | ||
1180 | global = !strncmp(name, "global", 6); | |
1181 | ||
1182 | name[strlen(name) - 1] = '\0'; | |
1183 | ||
1184 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1185 | if (!td) { |
1186 | ret = 1; | |
1187 | break; | |
1188 | } | |
ebac4655 | 1189 | |
972cfd25 JA |
1190 | /* |
1191 | * Seperate multiple job files by a stonewall | |
1192 | */ | |
f9481919 | 1193 | if (!global && stonewall) { |
972cfd25 JA |
1194 | td->stonewall = stonewall; |
1195 | stonewall = 0; | |
1196 | } | |
1197 | ||
ebac4655 JA |
1198 | fgetpos(f, &off); |
1199 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1200 | if (is_empty_or_comment(p)) | |
1201 | continue; | |
e1f36503 | 1202 | |
b6754f9d | 1203 | strip_blank_front(&p); |
7c124ac1 JA |
1204 | |
1205 | if (p[0] == '[') | |
1206 | break; | |
1207 | ||
4ae3f763 | 1208 | strip_blank_end(p); |
aea47d44 | 1209 | |
e1f36503 | 1210 | fgetpos(f, &off); |
ebac4655 | 1211 | |
45410acb JA |
1212 | /* |
1213 | * Don't break here, continue parsing options so we | |
1214 | * dump all the bad ones. Makes trial/error fixups | |
1215 | * easier on the user. | |
1216 | */ | |
7c124ac1 | 1217 | ret |= parse_option(p, options, td); |
ebac4655 | 1218 | } |
ebac4655 | 1219 | |
45410acb JA |
1220 | if (!ret) { |
1221 | fsetpos(f, &off); | |
1222 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1223 | } else { |
1224 | log_err("fio: job %s dropped\n", name); | |
1225 | put_job(td); | |
45410acb | 1226 | } |
7c124ac1 | 1227 | } while (!ret); |
ebac4655 JA |
1228 | |
1229 | free(string); | |
1230 | free(name); | |
1231 | fclose(f); | |
45410acb | 1232 | return ret; |
ebac4655 JA |
1233 | } |
1234 | ||
1235 | static int fill_def_thread(void) | |
1236 | { | |
1237 | memset(&def_thread, 0, sizeof(def_thread)); | |
1238 | ||
1239 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1240 | perror("sched_getaffinity"); | |
1241 | return 1; | |
1242 | } | |
1243 | ||
1244 | /* | |
ee738499 | 1245 | * fill default options |
ebac4655 | 1246 | */ |
ee738499 JA |
1247 | fill_default_options(&def_thread, options); |
1248 | ||
972cfd25 | 1249 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1250 | def_thread.write_bw_log = write_bw_log; |
1251 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1252 | |
ebac4655 JA |
1253 | #ifdef FIO_HAVE_DISK_UTIL |
1254 | def_thread.do_disk_util = 1; | |
1255 | #endif | |
1256 | ||
1257 | return 0; | |
1258 | } | |
1259 | ||
0ab8db89 | 1260 | static void usage(void) |
4785f995 JA |
1261 | { |
1262 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1263 | printf("\t--output\tWrite output to file\n"); |
1264 | printf("\t--timeout\tRuntime in seconds\n"); | |
1265 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1266 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1267 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1268 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1269 | printf("\t--help\t\tPrint this page\n"); |
1270 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1271 | } |
1272 | ||
972cfd25 | 1273 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1274 | { |
b4692828 | 1275 | struct thread_data *td = NULL; |
b1ec1da6 | 1276 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 1277 | |
0be06ea2 | 1278 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1279 | switch (c) { |
b4692828 JA |
1280 | case 't': |
1281 | def_timeout = atoi(optarg); | |
1282 | break; | |
1283 | case 'l': | |
1284 | write_lat_log = 1; | |
1285 | break; | |
1286 | case 'w': | |
1287 | write_bw_log = 1; | |
1288 | break; | |
1289 | case 'o': | |
1290 | f_out = fopen(optarg, "w+"); | |
1291 | if (!f_out) { | |
1292 | perror("fopen output"); | |
1293 | exit(1); | |
1294 | } | |
1295 | f_err = f_out; | |
1296 | break; | |
1297 | case 'm': | |
1298 | terse_output = 1; | |
1299 | break; | |
1300 | case 'h': | |
1301 | usage(); | |
1302 | exit(0); | |
fd28ca49 | 1303 | case 'c': |
29fc6afe JA |
1304 | ret = show_cmd_help(options, optarg); |
1305 | exit(ret); | |
b4692828 JA |
1306 | case 'v': |
1307 | printf("%s\n", fio_version_string); | |
1308 | exit(0); | |
1309 | case FIO_GETOPT_JOB: { | |
1310 | const char *opt = long_options[lidx].name; | |
1311 | char *val = optarg; | |
1312 | ||
c2b1e753 JA |
1313 | if (!strncmp(opt, "name", 4) && td) { |
1314 | ret = add_job(td, td->name ?: "fio", 0); | |
1315 | if (ret) { | |
1316 | put_job(td); | |
1317 | return 0; | |
1318 | } | |
1319 | td = NULL; | |
1320 | } | |
b4692828 | 1321 | if (!td) { |
38d0adb0 | 1322 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1323 | |
1324 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1325 | if (!td) |
1326 | return 0; | |
1327 | } | |
38d0adb0 | 1328 | |
b1508cf9 | 1329 | ret = parse_cmd_option(opt, val, options, td); |
78217dfa | 1330 | if (ret) |
b1ec1da6 | 1331 | dont_add_job = 1; |
b4692828 JA |
1332 | break; |
1333 | } | |
1334 | default: | |
b4692828 | 1335 | break; |
ebac4655 JA |
1336 | } |
1337 | } | |
c9fad893 | 1338 | |
b4692828 | 1339 | if (td) { |
b1ec1da6 | 1340 | if (dont_add_job) |
b4692828 | 1341 | put_job(td); |
b1ec1da6 JA |
1342 | else { |
1343 | ret = add_job(td, td->name ?: "fio", 0); | |
1344 | if (ret) | |
1345 | put_job(td); | |
1346 | } | |
972cfd25 | 1347 | } |
774a6177 | 1348 | |
b4692828 JA |
1349 | while (optind < argc) { |
1350 | ini_idx++; | |
1351 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1352 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1353 | optind++; | |
eb8bbf48 | 1354 | } |
972cfd25 JA |
1355 | |
1356 | return ini_idx; | |
ebac4655 JA |
1357 | } |
1358 | ||
1359 | static void free_shm(void) | |
1360 | { | |
1361 | struct shmid_ds sbuf; | |
1362 | ||
1363 | if (threads) { | |
2c0ecd28 | 1364 | shmdt((void *) threads); |
ebac4655 JA |
1365 | threads = NULL; |
1366 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1367 | } | |
1368 | } | |
1369 | ||
906c8d75 JA |
1370 | /* |
1371 | * The thread area is shared between the main process and the job | |
1372 | * threads/processes. So setup a shared memory segment that will hold | |
1373 | * all the job info. | |
1374 | */ | |
ebac4655 JA |
1375 | static int setup_thread_area(void) |
1376 | { | |
1377 | /* | |
1378 | * 1024 is too much on some machines, scale max_jobs if | |
1379 | * we get a failure that looks like too large a shm segment | |
1380 | */ | |
1381 | do { | |
906c8d75 | 1382 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1383 | |
906c8d75 | 1384 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1385 | if (shm_id != -1) |
1386 | break; | |
1387 | if (errno != EINVAL) { | |
1388 | perror("shmget"); | |
1389 | break; | |
1390 | } | |
1391 | ||
1392 | max_jobs >>= 1; | |
1393 | } while (max_jobs); | |
1394 | ||
1395 | if (shm_id == -1) | |
1396 | return 1; | |
1397 | ||
1398 | threads = shmat(shm_id, NULL, 0); | |
1399 | if (threads == (void *) -1) { | |
1400 | perror("shmat"); | |
1401 | return 1; | |
1402 | } | |
1403 | ||
1404 | atexit(free_shm); | |
1405 | return 0; | |
1406 | } | |
1407 | ||
b4692828 JA |
1408 | /* |
1409 | * Copy the fio options into the long options map, so we mirror | |
1410 | * job and cmd line options. | |
1411 | */ | |
1412 | static void dupe_job_options(void) | |
1413 | { | |
1414 | struct fio_option *o; | |
1415 | unsigned int i; | |
1416 | ||
1417 | i = 0; | |
1418 | while (long_options[i].name) | |
1419 | i++; | |
1420 | ||
1421 | o = &options[0]; | |
1422 | while (o->name) { | |
1423 | long_options[i].name = o->name; | |
1424 | long_options[i].val = FIO_GETOPT_JOB; | |
1425 | if (o->type == FIO_OPT_STR_SET) | |
1426 | long_options[i].has_arg = no_argument; | |
1427 | else | |
1428 | long_options[i].has_arg = required_argument; | |
1429 | ||
1430 | i++; | |
1431 | o++; | |
1432 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1433 | } | |
1434 | } | |
1435 | ||
ebac4655 JA |
1436 | int parse_options(int argc, char *argv[]) |
1437 | { | |
972cfd25 JA |
1438 | int job_files, i; |
1439 | ||
b4692828 JA |
1440 | f_out = stdout; |
1441 | f_err = stderr; | |
1442 | ||
13335ddb JA |
1443 | options_init(options); |
1444 | ||
b4692828 JA |
1445 | dupe_job_options(); |
1446 | ||
ebac4655 JA |
1447 | if (setup_thread_area()) |
1448 | return 1; | |
1449 | if (fill_def_thread()) | |
1450 | return 1; | |
1451 | ||
972cfd25 | 1452 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1453 | |
972cfd25 JA |
1454 | for (i = 0; i < job_files; i++) { |
1455 | if (fill_def_thread()) | |
1456 | return 1; | |
0c7e37a0 | 1457 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1458 | return 1; |
88c6ed80 | 1459 | free(ini_file[i]); |
972cfd25 | 1460 | } |
ebac4655 | 1461 | |
88c6ed80 | 1462 | free(ini_file); |
b4692828 JA |
1463 | |
1464 | if (!thread_number) { | |
1465 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1466 | return 1; |
1467 | } | |
1468 | ||
ebac4655 JA |
1469 | return 0; |
1470 | } |