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 *); | |
bbf6b540 | 36 | static int str_opendir_cb(void *, const char *); |
e1f36503 | 37 | |
ee738499 JA |
38 | #define __stringify_1(x) #x |
39 | #define __stringify(x) __stringify_1(x) | |
40 | ||
e1f36503 JA |
41 | /* |
42 | * Map of job/command line options | |
43 | */ | |
44 | static struct fio_option options[] = { | |
61697c37 JA |
45 | { |
46 | .name = "description", | |
47 | .type = FIO_OPT_STR_STORE, | |
48 | .off1 = td_var_offset(description), | |
49 | .help = "Text job description", | |
50 | }, | |
e1f36503 JA |
51 | { |
52 | .name = "name", | |
53 | .type = FIO_OPT_STR_STORE, | |
54 | .off1 = td_var_offset(name), | |
fd28ca49 | 55 | .help = "Name of this job", |
e1f36503 JA |
56 | }, |
57 | { | |
58 | .name = "directory", | |
59 | .type = FIO_OPT_STR_STORE, | |
60 | .off1 = td_var_offset(directory), | |
af52b345 | 61 | .cb = str_directory_cb, |
fd28ca49 | 62 | .help = "Directory to store files in", |
e1f36503 JA |
63 | }, |
64 | { | |
65 | .name = "filename", | |
66 | .type = FIO_OPT_STR_STORE, | |
67 | .off1 = td_var_offset(filename), | |
af52b345 JA |
68 | .cb = str_filename_cb, |
69 | .help = "File(s) to use for the workload", | |
e1f36503 | 70 | }, |
bbf6b540 JA |
71 | { |
72 | .name = "opendir", | |
73 | .type = FIO_OPT_STR_STORE, | |
74 | .off1 = td_var_offset(opendir), | |
75 | .cb = str_opendir_cb, | |
76 | .help = "Recursively add files from this directory and down", | |
77 | }, | |
e1f36503 JA |
78 | { |
79 | .name = "rw", | |
80 | .type = FIO_OPT_STR, | |
b1ec1da6 | 81 | .off1 = td_var_offset(td_ddir), |
15f7918f | 82 | .help = "IO direction", |
ee738499 | 83 | .def = "read", |
b1ec1da6 | 84 | .posval = { |
7837213b JA |
85 | { .ival = "read", |
86 | .oval = TD_DDIR_READ, | |
87 | .help = "Sequential read", | |
b1ec1da6 | 88 | }, |
7837213b JA |
89 | { .ival = "write", |
90 | .oval = TD_DDIR_WRITE, | |
91 | .help = "Sequential write", | |
92 | }, | |
93 | { .ival = "randread", | |
94 | .oval = TD_DDIR_RANDREAD, | |
95 | .help = "Random read", | |
96 | }, | |
97 | { .ival = "randwrite", | |
98 | .oval = TD_DDIR_RANDWRITE, | |
99 | .help = "Random write", | |
9d6d019b | 100 | }, |
7837213b JA |
101 | { .ival = "rw", |
102 | .oval = TD_DDIR_RW, | |
103 | .help = "Sequential read and write mix", | |
104 | }, | |
105 | { .ival = "randrw", | |
106 | .oval = TD_DDIR_RANDRW, | |
107 | .help = "Random read and write mix" | |
108 | }, | |
109 | }, | |
e1f36503 JA |
110 | }, |
111 | { | |
112 | .name = "ioengine", | |
09629a90 JA |
113 | .type = FIO_OPT_STR_STORE, |
114 | .off1 = td_var_offset(ioengine), | |
15f7918f | 115 | .help = "IO engine to use", |
ee738499 | 116 | .def = "sync", |
b1ec1da6 | 117 | .posval = { |
7837213b JA |
118 | { .ival = "sync", |
119 | .help = "Use read/write", | |
120 | }, | |
10cad1aa | 121 | #ifdef FIO_HAVE_LIBAIO |
7837213b JA |
122 | { .ival = "libaio", |
123 | .help = "Linux native asynchronous IO", | |
124 | }, | |
10cad1aa JA |
125 | #endif |
126 | #ifdef FIO_HAVE_POSIXAIO | |
7837213b JA |
127 | { .ival = "posixaio", |
128 | .help = "POSIX asynchronous IO", | |
129 | }, | |
10cad1aa | 130 | #endif |
7837213b JA |
131 | { .ival = "mmap", |
132 | .help = "Memory mapped IO", | |
133 | }, | |
10cad1aa | 134 | #ifdef FIO_HAVE_SPLICE |
7837213b JA |
135 | { .ival = "splice", |
136 | .help = "splice/vmsplice based IO", | |
137 | }, | |
10cad1aa JA |
138 | #endif |
139 | #ifdef FIO_HAVE_SGIO | |
7837213b JA |
140 | { .ival = "sg", |
141 | .help = "SCSI generic v3 IO", | |
142 | }, | |
10cad1aa | 143 | #endif |
7837213b JA |
144 | { .ival = "null", |
145 | .help = "Testing engine (no data transfer)", | |
146 | }, | |
147 | { .ival = "net", | |
148 | .help = "Network IO", | |
149 | }, | |
10cad1aa | 150 | #ifdef FIO_HAVE_SYSLET |
7837213b JA |
151 | { .ival = "syslet-rw", |
152 | .help = "syslet enabled async pread/pwrite IO", | |
153 | }, | |
10cad1aa | 154 | #endif |
7837213b JA |
155 | { .ival = "cpuio", |
156 | .help = "CPU cycler burner engine", | |
157 | }, | |
158 | { .ival = "external", | |
159 | .help = "Load external engine (append name)", | |
b1ec1da6 | 160 | }, |
7837213b | 161 | }, |
e1f36503 | 162 | }, |
03b74b3e JA |
163 | { |
164 | .name = "iodepth", | |
165 | .type = FIO_OPT_INT, | |
166 | .off1 = td_var_offset(iodepth), | |
167 | .help = "Amount of IO buffers to keep in flight", | |
168 | .def = "1", | |
169 | }, | |
cb5ab512 JA |
170 | { |
171 | .name = "iodepth_batch", | |
172 | .type = FIO_OPT_INT, | |
173 | .off1 = td_var_offset(iodepth_batch), | |
174 | .help = "Number of IO to submit in one go", | |
175 | }, | |
e916b390 JA |
176 | { |
177 | .name = "iodepth_low", | |
178 | .type = FIO_OPT_INT, | |
179 | .off1 = td_var_offset(iodepth_low), | |
180 | .help = "Low water mark for queuing depth", | |
181 | }, | |
03b74b3e JA |
182 | { |
183 | .name = "size", | |
184 | .type = FIO_OPT_STR_VAL, | |
185 | .off1 = td_var_offset(total_file_size), | |
186 | .help = "Size of device or file", | |
187 | }, | |
188 | { | |
189 | .name = "bs", | |
190 | .type = FIO_OPT_STR_VAL_INT, | |
191 | .off1 = td_var_offset(bs[DDIR_READ]), | |
192 | .off2 = td_var_offset(bs[DDIR_WRITE]), | |
193 | .help = "Block size unit", | |
194 | .def = "4k", | |
195 | }, | |
196 | { | |
197 | .name = "bsrange", | |
198 | .type = FIO_OPT_RANGE, | |
199 | .off1 = td_var_offset(min_bs[DDIR_READ]), | |
200 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
201 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), | |
202 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
203 | .help = "Set block size range (in more detail than bs)", | |
204 | }, | |
205 | { | |
206 | .name = "bs_unaligned", | |
207 | .type = FIO_OPT_STR_SET, | |
208 | .off1 = td_var_offset(bs_unaligned), | |
209 | .help = "Don't sector align IO buffer sizes", | |
210 | }, | |
211 | { | |
212 | .name = "offset", | |
213 | .type = FIO_OPT_STR_VAL, | |
214 | .off1 = td_var_offset(start_offset), | |
215 | .help = "Start IO from this offset", | |
216 | .def = "0", | |
217 | }, | |
218 | { | |
219 | .name = "randrepeat", | |
220 | .type = FIO_OPT_BOOL, | |
221 | .off1 = td_var_offset(rand_repeatable), | |
222 | .help = "Use repeatable random IO pattern", | |
223 | .def = "1", | |
224 | }, | |
225 | { | |
226 | .name = "norandommap", | |
227 | .type = FIO_OPT_STR_SET, | |
228 | .off1 = td_var_offset(norandommap), | |
229 | .help = "Accept potential duplicate random blocks", | |
230 | }, | |
231 | { | |
232 | .name = "nrfiles", | |
233 | .type = FIO_OPT_INT, | |
234 | .off1 = td_var_offset(nr_files), | |
235 | .help = "Split job workload between this number of files", | |
236 | .def = "1", | |
237 | }, | |
b5af8293 JA |
238 | { |
239 | .name = "openfiles", | |
240 | .type = FIO_OPT_INT, | |
241 | .off1 = td_var_offset(open_files), | |
242 | .help = "Number of files to keep open at the same time", | |
243 | }, | |
0aabe160 JA |
244 | { |
245 | .name = "file_service_type", | |
246 | .type = FIO_OPT_STR, | |
1907dbc6 | 247 | .cb = str_fst_cb, |
b1ec1da6 | 248 | .off1 = td_var_offset(file_service_type), |
0aabe160 JA |
249 | .help = "How to select which file to service next", |
250 | .def = "roundrobin", | |
b1ec1da6 | 251 | .posval = { |
7837213b JA |
252 | { .ival = "random", |
253 | .oval = FIO_FSERVICE_RANDOM, | |
254 | .help = "Choose a file at random", | |
255 | }, | |
256 | { .ival = "roundrobin", | |
257 | .oval = FIO_FSERVICE_RR, | |
258 | .help = "Round robin select files", | |
b1ec1da6 | 259 | }, |
7837213b | 260 | }, |
0aabe160 | 261 | }, |
03b74b3e JA |
262 | { |
263 | .name = "fsync", | |
264 | .type = FIO_OPT_INT, | |
265 | .off1 = td_var_offset(fsync_blocks), | |
266 | .help = "Issue fsync for writes every given number of blocks", | |
267 | .def = "0", | |
268 | }, | |
269 | { | |
270 | .name = "direct", | |
271 | .type = FIO_OPT_BOOL, | |
272 | .off1 = td_var_offset(odirect), | |
76a43db4 JA |
273 | .help = "Use O_DIRECT IO (negates buffered)", |
274 | .def = "0", | |
275 | }, | |
276 | { | |
277 | .name = "buffered", | |
278 | .type = FIO_OPT_BOOL, | |
279 | .off1 = td_var_offset(odirect), | |
280 | .neg = 1, | |
281 | .help = "Use buffered IO (negates direct)", | |
03b74b3e JA |
282 | .def = "1", |
283 | }, | |
284 | { | |
285 | .name = "overwrite", | |
286 | .type = FIO_OPT_BOOL, | |
287 | .off1 = td_var_offset(overwrite), | |
288 | .help = "When writing, set whether to overwrite current data", | |
289 | .def = "0", | |
290 | }, | |
291 | { | |
292 | .name = "loops", | |
293 | .type = FIO_OPT_INT, | |
294 | .off1 = td_var_offset(loops), | |
295 | .help = "Number of times to run the job", | |
296 | .def = "1", | |
297 | }, | |
298 | { | |
299 | .name = "numjobs", | |
300 | .type = FIO_OPT_INT, | |
301 | .off1 = td_var_offset(numjobs), | |
302 | .help = "Duplicate this job this many times", | |
303 | .def = "1", | |
304 | }, | |
305 | { | |
306 | .name = "startdelay", | |
307 | .type = FIO_OPT_INT, | |
308 | .off1 = td_var_offset(start_delay), | |
309 | .help = "Only start job when this period has passed", | |
310 | .def = "0", | |
311 | }, | |
312 | { | |
313 | .name = "runtime", | |
314 | .alias = "timeout", | |
315 | .type = FIO_OPT_STR_VAL_TIME, | |
316 | .off1 = td_var_offset(timeout), | |
317 | .help = "Stop workload when this amount of time has passed", | |
318 | .def = "0", | |
319 | }, | |
e1f36503 JA |
320 | { |
321 | .name = "mem", | |
322 | .type = FIO_OPT_STR, | |
323 | .cb = str_mem_cb, | |
b1ec1da6 | 324 | .off1 = td_var_offset(mem_type), |
15f7918f | 325 | .help = "Backing type for IO buffers", |
ee738499 | 326 | .def = "malloc", |
b1ec1da6 | 327 | .posval = { |
7837213b JA |
328 | { .ival = "malloc", |
329 | .oval = MEM_MALLOC, | |
330 | .help = "Use malloc(3) for IO buffers", | |
331 | }, | |
332 | { .ival = "shm", | |
333 | .oval = MEM_SHM, | |
334 | .help = "Use shared memory segments for IO buffers", | |
335 | }, | |
b1ec1da6 | 336 | #ifdef FIO_HAVE_HUGETLB |
7837213b JA |
337 | { .ival = "shmhuge", |
338 | .oval = MEM_SHMHUGE, | |
339 | .help = "Like shm, but use huge pages", | |
340 | }, | |
b1ec1da6 | 341 | #endif |
7837213b JA |
342 | { .ival = "mmap", |
343 | .oval = MEM_MMAP, | |
344 | .help = "Use mmap(2) (file or anon) for IO buffers", | |
345 | }, | |
b1ec1da6 | 346 | #ifdef FIO_HAVE_HUGETLB |
7837213b JA |
347 | { .ival = "mmaphuge", |
348 | .oval = MEM_MMAPHUGE, | |
349 | .help = "Like mmap, but use huge pages", | |
b1ec1da6 | 350 | }, |
7837213b JA |
351 | #endif |
352 | }, | |
e1f36503 JA |
353 | }, |
354 | { | |
355 | .name = "verify", | |
356 | .type = FIO_OPT_STR, | |
b1ec1da6 | 357 | .off1 = td_var_offset(verify), |
9d6d019b | 358 | .help = "Verify data written", |
ee738499 | 359 | .def = "0", |
b1ec1da6 | 360 | .posval = { |
7837213b JA |
361 | { .ival = "0", |
362 | .oval = VERIFY_NONE, | |
363 | .help = "Don't do IO verification", | |
364 | }, | |
365 | { .ival = "crc32", | |
366 | .oval = VERIFY_CRC32, | |
367 | .help = "Use crc32 checksums for verification", | |
368 | }, | |
369 | { .ival = "md5", | |
370 | .oval = VERIFY_MD5, | |
371 | .help = "Use md5 checksums for verification", | |
b1ec1da6 | 372 | }, |
7837213b | 373 | }, |
e1f36503 JA |
374 | }, |
375 | { | |
376 | .name = "write_iolog", | |
076efc7c JA |
377 | .type = FIO_OPT_STR_STORE, |
378 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 379 | .help = "Store IO pattern to file", |
e1f36503 JA |
380 | }, |
381 | { | |
076efc7c | 382 | .name = "read_iolog", |
e1f36503 | 383 | .type = FIO_OPT_STR_STORE, |
076efc7c | 384 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 385 | .help = "Playback IO pattern from file", |
e1f36503 JA |
386 | }, |
387 | { | |
388 | .name = "exec_prerun", | |
389 | .type = FIO_OPT_STR_STORE, | |
390 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 391 | .help = "Execute this file prior to running job", |
e1f36503 JA |
392 | }, |
393 | { | |
394 | .name = "exec_postrun", | |
395 | .type = FIO_OPT_STR_STORE, | |
396 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 397 | .help = "Execute this file after running job", |
e1f36503 JA |
398 | }, |
399 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
400 | { | |
401 | .name = "ioscheduler", | |
402 | .type = FIO_OPT_STR_STORE, | |
403 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 404 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
405 | }, |
406 | #endif | |
e1f36503 JA |
407 | { |
408 | .name = "zonesize", | |
409 | .type = FIO_OPT_STR_VAL, | |
410 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 411 | .help = "Give size of an IO zone", |
ee738499 | 412 | .def = "0", |
e1f36503 JA |
413 | }, |
414 | { | |
415 | .name = "zoneskip", | |
416 | .type = FIO_OPT_STR_VAL, | |
417 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 418 | .help = "Space between IO zones", |
ee738499 | 419 | .def = "0", |
e1f36503 JA |
420 | }, |
421 | { | |
422 | .name = "lockmem", | |
423 | .type = FIO_OPT_STR_VAL, | |
424 | .cb = str_lockmem_cb, | |
fd28ca49 | 425 | .help = "Lock down this amount of memory", |
ee738499 | 426 | .def = "0", |
e1f36503 | 427 | }, |
e1f36503 JA |
428 | { |
429 | .name = "rwmixcycle", | |
430 | .type = FIO_OPT_INT, | |
431 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
432 | .help = "Cycle period for mixed read/write workloads (msec)", |
433 | .def = "500", | |
e1f36503 JA |
434 | }, |
435 | { | |
436 | .name = "rwmixread", | |
437 | .type = FIO_OPT_INT, | |
438 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 439 | .maxval = 100, |
fd28ca49 | 440 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 441 | .def = "50", |
e1f36503 JA |
442 | }, |
443 | { | |
444 | .name = "rwmixwrite", | |
445 | .type = FIO_OPT_INT, | |
446 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 447 | .maxval = 100, |
fd28ca49 | 448 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 449 | .def = "50", |
e1f36503 JA |
450 | }, |
451 | { | |
452 | .name = "nice", | |
453 | .type = FIO_OPT_INT, | |
454 | .off1 = td_var_offset(nice), | |
fd28ca49 | 455 | .help = "Set job CPU nice value", |
15f7918f | 456 | .minval = -19, |
ee738499 JA |
457 | .maxval = 20, |
458 | .def = "0", | |
e1f36503 JA |
459 | }, |
460 | #ifdef FIO_HAVE_IOPRIO | |
461 | { | |
462 | .name = "prio", | |
463 | .type = FIO_OPT_INT, | |
464 | .cb = str_prio_cb, | |
fd28ca49 | 465 | .help = "Set job IO priority value", |
15f7918f JA |
466 | .minval = 0, |
467 | .maxval = 7, | |
e1f36503 JA |
468 | }, |
469 | { | |
470 | .name = "prioclass", | |
471 | .type = FIO_OPT_INT, | |
472 | .cb = str_prioclass_cb, | |
fd28ca49 | 473 | .help = "Set job IO priority class", |
15f7918f JA |
474 | .minval = 0, |
475 | .maxval = 3, | |
e1f36503 JA |
476 | }, |
477 | #endif | |
478 | { | |
479 | .name = "thinktime", | |
480 | .type = FIO_OPT_INT, | |
1304923a | 481 | .off1 = td_var_offset(thinktime), |
5fa0f817 | 482 | .help = "Idle time between IO buffers (usec)", |
ee738499 | 483 | .def = "0", |
e1f36503 | 484 | }, |
48097d5c JA |
485 | { |
486 | .name = "thinktime_spin", | |
487 | .type = FIO_OPT_INT, | |
488 | .off1 = td_var_offset(thinktime_spin), | |
34403fb1 | 489 | .help = "Start think time by spinning this amount (usec)", |
48097d5c JA |
490 | .def = "0", |
491 | }, | |
9c1f7434 JA |
492 | { |
493 | .name = "thinktime_blocks", | |
494 | .type = FIO_OPT_INT, | |
1304923a | 495 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 496 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 497 | .def = "1", |
9c1f7434 | 498 | }, |
e1f36503 JA |
499 | { |
500 | .name = "rate", | |
501 | .type = FIO_OPT_INT, | |
1304923a | 502 | .off1 = td_var_offset(rate), |
fd28ca49 | 503 | .help = "Set bandwidth rate", |
e1f36503 JA |
504 | }, |
505 | { | |
506 | .name = "ratemin", | |
507 | .type = FIO_OPT_INT, | |
1304923a | 508 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 509 | .help = "The bottom limit accepted", |
e1f36503 JA |
510 | }, |
511 | { | |
512 | .name = "ratecycle", | |
513 | .type = FIO_OPT_INT, | |
1304923a | 514 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 515 | .help = "Window average for rate limits (msec)", |
ee738499 | 516 | .def = "1000", |
e1f36503 | 517 | }, |
e1f36503 JA |
518 | { |
519 | .name = "invalidate", | |
13335ddb | 520 | .type = FIO_OPT_BOOL, |
1304923a | 521 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 522 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 523 | .def = "1", |
e1f36503 JA |
524 | }, |
525 | { | |
526 | .name = "sync", | |
13335ddb | 527 | .type = FIO_OPT_BOOL, |
1304923a | 528 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 529 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 530 | .def = "0", |
e1f36503 JA |
531 | }, |
532 | { | |
533 | .name = "bwavgtime", | |
534 | .type = FIO_OPT_INT, | |
1304923a | 535 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
536 | .help = "Time window over which to calculate bandwidth (msec)", |
537 | .def = "500", | |
e1f36503 JA |
538 | }, |
539 | { | |
540 | .name = "create_serialize", | |
13335ddb | 541 | .type = FIO_OPT_BOOL, |
1304923a | 542 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 543 | .help = "Serialize creating of job files", |
ee738499 | 544 | .def = "1", |
e1f36503 JA |
545 | }, |
546 | { | |
547 | .name = "create_fsync", | |
13335ddb | 548 | .type = FIO_OPT_BOOL, |
1304923a | 549 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 550 | .help = "Fsync file after creation", |
ee738499 | 551 | .def = "1", |
e1f36503 | 552 | }, |
e1f36503 JA |
553 | { |
554 | .name = "cpuload", | |
555 | .type = FIO_OPT_INT, | |
1304923a | 556 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 557 | .help = "Use this percentage of CPU", |
e1f36503 JA |
558 | }, |
559 | { | |
560 | .name = "cpuchunks", | |
561 | .type = FIO_OPT_INT, | |
1304923a | 562 | .off1 = td_var_offset(cpucycle), |
ba0fbe10 JA |
563 | .help = "Length of the CPU burn cycles (usecs)", |
564 | .def = "50000", | |
e1f36503 | 565 | }, |
e1f36503 JA |
566 | #ifdef FIO_HAVE_CPU_AFFINITY |
567 | { | |
568 | .name = "cpumask", | |
569 | .type = FIO_OPT_INT, | |
570 | .cb = str_cpumask_cb, | |
fd28ca49 | 571 | .help = "CPU affinity mask", |
e1f36503 JA |
572 | }, |
573 | #endif | |
574 | { | |
575 | .name = "end_fsync", | |
13335ddb | 576 | .type = FIO_OPT_BOOL, |
1304923a | 577 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 578 | .help = "Include fsync at the end of job", |
ee738499 | 579 | .def = "0", |
e1f36503 | 580 | }, |
ebb1415f JA |
581 | { |
582 | .name = "fsync_on_close", | |
583 | .type = FIO_OPT_BOOL, | |
584 | .off1 = td_var_offset(fsync_on_close), | |
585 | .help = "fsync files on close", | |
586 | .def = "0", | |
587 | }, | |
e1f36503 JA |
588 | { |
589 | .name = "unlink", | |
13335ddb | 590 | .type = FIO_OPT_BOOL, |
e1f36503 | 591 | .off1 = td_var_offset(unlink), |
ee738499 | 592 | .help = "Unlink created files after job has completed", |
e545a6ce | 593 | .def = "0", |
e1f36503 JA |
594 | }, |
595 | { | |
596 | .name = "exitall", | |
597 | .type = FIO_OPT_STR_SET, | |
598 | .cb = str_exitall_cb, | |
fd28ca49 | 599 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
600 | }, |
601 | { | |
602 | .name = "stonewall", | |
603 | .type = FIO_OPT_STR_SET, | |
604 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 605 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
606 | }, |
607 | { | |
608 | .name = "thread", | |
609 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 610 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 611 | .help = "Use threads instead of forks", |
e1f36503 JA |
612 | }, |
613 | { | |
614 | .name = "write_bw_log", | |
615 | .type = FIO_OPT_STR_SET, | |
616 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 617 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
618 | }, |
619 | { | |
620 | .name = "write_lat_log", | |
621 | .type = FIO_OPT_STR_SET, | |
622 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 623 | .help = "Write log of latency during run", |
e1f36503 | 624 | }, |
56bb17f2 JA |
625 | { |
626 | .name = "hugepage-size", | |
627 | .type = FIO_OPT_STR_VAL, | |
628 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 629 | .help = "When using hugepages, specify size of each page", |
ee738499 | 630 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 631 | }, |
b2560f3c JA |
632 | { |
633 | .name = "group_reporting", | |
634 | .type = FIO_OPT_STR_SET, | |
635 | .off1 = td_var_offset(group_reporting), | |
636 | .help = "Do reporting on a per-group basis", | |
637 | }, | |
e1f36503 JA |
638 | { |
639 | .name = NULL, | |
640 | }, | |
641 | }; | |
642 | ||
b4692828 JA |
643 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
644 | #define FIO_CMD_OPTS (16) | |
645 | #define FIO_GETOPT_JOB (0x89988998) | |
646 | ||
647 | /* | |
648 | * Command line options. These will contain the above, plus a few | |
649 | * extra that only pertain to fio itself and not jobs. | |
650 | */ | |
651 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
652 | { | |
653 | .name = "output", | |
654 | .has_arg = required_argument, | |
655 | .val = 'o', | |
656 | }, | |
657 | { | |
658 | .name = "timeout", | |
659 | .has_arg = required_argument, | |
660 | .val = 't', | |
661 | }, | |
662 | { | |
663 | .name = "latency-log", | |
664 | .has_arg = required_argument, | |
665 | .val = 'l', | |
666 | }, | |
667 | { | |
668 | .name = "bandwidth-log", | |
669 | .has_arg = required_argument, | |
670 | .val = 'b', | |
671 | }, | |
672 | { | |
673 | .name = "minimal", | |
674 | .has_arg = optional_argument, | |
675 | .val = 'm', | |
676 | }, | |
677 | { | |
678 | .name = "version", | |
679 | .has_arg = no_argument, | |
680 | .val = 'v', | |
681 | }, | |
fd28ca49 JA |
682 | { |
683 | .name = "help", | |
684 | .has_arg = no_argument, | |
685 | .val = 'h', | |
686 | }, | |
687 | { | |
688 | .name = "cmdhelp", | |
320beefe | 689 | .has_arg = optional_argument, |
fd28ca49 JA |
690 | .val = 'c', |
691 | }, | |
b4692828 JA |
692 | { |
693 | .name = NULL, | |
694 | }, | |
695 | }; | |
696 | ||
ee738499 | 697 | static int def_timeout = 0; |
972cfd25 | 698 | |
54592a37 | 699 | static char fio_version_string[] = "fio 1.14a"; |
ebac4655 | 700 | |
972cfd25 | 701 | static char **ini_file; |
ebac4655 JA |
702 | static int max_jobs = MAX_JOBS; |
703 | ||
704 | struct thread_data def_thread; | |
705 | struct thread_data *threads = NULL; | |
706 | ||
ebac4655 | 707 | int exitall_on_terminate = 0; |
c6ae0a5b | 708 | int terse_output = 0; |
c04f7ec3 | 709 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
710 | FILE *f_out = NULL; |
711 | FILE *f_err = NULL; | |
ebac4655 | 712 | |
ee738499 | 713 | static int write_lat_log = 0; |
bb3884d8 | 714 | int write_bw_log = 0; |
ec94ec56 | 715 | |
3c5df6fa JA |
716 | static int prev_group_jobs; |
717 | ||
9728ce37 JB |
718 | FILE *get_f_out() |
719 | { | |
720 | return f_out; | |
721 | } | |
722 | ||
723 | FILE *get_f_err() | |
724 | { | |
725 | return f_err; | |
726 | } | |
727 | ||
906c8d75 JA |
728 | /* |
729 | * Return a free job structure. | |
730 | */ | |
ebac4655 JA |
731 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
732 | { | |
733 | struct thread_data *td; | |
734 | ||
735 | if (global) | |
736 | return &def_thread; | |
737 | if (thread_number >= max_jobs) | |
738 | return NULL; | |
739 | ||
740 | td = &threads[thread_number++]; | |
ddaeaa5a | 741 | *td = *parent; |
ebac4655 | 742 | |
ebac4655 | 743 | td->thread_number = thread_number; |
ebac4655 JA |
744 | return td; |
745 | } | |
746 | ||
747 | static void put_job(struct thread_data *td) | |
748 | { | |
549577a7 JA |
749 | if (td == &def_thread) |
750 | return; | |
751 | ||
16edf25d JA |
752 | if (td->error) |
753 | fprintf(f_out, "fio: %s\n", td->verror); | |
754 | ||
ebac4655 JA |
755 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
756 | thread_number--; | |
757 | } | |
758 | ||
dad915e3 JA |
759 | /* |
760 | * Lazy way of fixing up options that depend on each other. We could also | |
761 | * define option callback handlers, but this is easier. | |
762 | */ | |
e1f36503 JA |
763 | static void fixup_options(struct thread_data *td) |
764 | { | |
e1f36503 JA |
765 | if (!td->rwmixread && td->rwmixwrite) |
766 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 767 | |
076efc7c JA |
768 | if (td->write_iolog_file && td->read_iolog_file) { |
769 | log_err("fio: read iolog overrides write_iolog\n"); | |
770 | free(td->write_iolog_file); | |
771 | td->write_iolog_file = NULL; | |
772 | } | |
16b462ae JA |
773 | |
774 | if (td->io_ops->flags & FIO_SYNCIO) | |
775 | td->iodepth = 1; | |
776 | else { | |
777 | if (!td->iodepth) | |
b5af8293 | 778 | td->iodepth = td->open_files; |
16b462ae JA |
779 | } |
780 | ||
781 | /* | |
782 | * only really works for sequential io for now, and with 1 file | |
783 | */ | |
b5af8293 | 784 | if (td->zone_size && td_random(td) && td->open_files == 1) |
16b462ae JA |
785 | td->zone_size = 0; |
786 | ||
787 | /* | |
788 | * Reads can do overwrites, we always need to pre-create the file | |
789 | */ | |
790 | if (td_read(td) || td_rw(td)) | |
791 | td->overwrite = 1; | |
792 | ||
a00735e6 JA |
793 | if (!td->min_bs[DDIR_READ]) |
794 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
795 | if (!td->max_bs[DDIR_READ]) | |
796 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
797 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 798 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 799 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 800 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
801 | |
802 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
803 | ||
16b462ae JA |
804 | if (td_read(td) && !td_rw(td)) |
805 | td->verify = 0; | |
bb8895e0 JA |
806 | |
807 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
808 | log_err("fio: norandommap given, verify disabled\n"); | |
809 | td->verify = VERIFY_NONE; | |
810 | } | |
690adba3 JA |
811 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
812 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 | 813 | |
48097d5c JA |
814 | /* |
815 | * thinktime_spin must be less than thinktime | |
816 | */ | |
817 | if (td->thinktime_spin > td->thinktime) | |
818 | td->thinktime_spin = td->thinktime; | |
e916b390 JA |
819 | |
820 | /* | |
821 | * The low water mark cannot be bigger than the iodepth | |
822 | */ | |
9467b77c JA |
823 | if (td->iodepth_low > td->iodepth || !td->iodepth_low) { |
824 | /* | |
825 | * syslet work around - if the workload is sequential, | |
826 | * we want to let the queue drain all the way down to | |
827 | * avoid seeking between async threads | |
828 | */ | |
829 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
830 | td->iodepth_low = 1; | |
831 | else | |
832 | td->iodepth_low = td->iodepth; | |
833 | } | |
cb5ab512 JA |
834 | |
835 | /* | |
836 | * If batch number isn't set, default to the same as iodepth | |
837 | */ | |
838 | if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) | |
839 | td->iodepth_batch = td->iodepth; | |
b5af8293 | 840 | |
bbf6b540 | 841 | if (td->nr_files > td->files_index) |
9f9214f2 JA |
842 | td->nr_files = td->files_index; |
843 | ||
844 | if (td->open_files > td->nr_files || !td->open_files) | |
b5af8293 | 845 | td->open_files = td->nr_files; |
e1f36503 JA |
846 | } |
847 | ||
f8977ee6 JA |
848 | /* |
849 | * This function leaks the buffer | |
850 | */ | |
851 | static char *to_kmg(unsigned int val) | |
852 | { | |
853 | char *buf = malloc(32); | |
f3502ba2 | 854 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
855 | char *p = post; |
856 | ||
245142ff | 857 | do { |
f8977ee6 JA |
858 | if (val & 1023) |
859 | break; | |
860 | ||
861 | val >>= 10; | |
862 | p++; | |
245142ff | 863 | } while (*p); |
f8977ee6 JA |
864 | |
865 | snprintf(buf, 31, "%u%c", val, *p); | |
866 | return buf; | |
867 | } | |
868 | ||
09629a90 JA |
869 | /* External engines are specified by "external:name.o") */ |
870 | static const char *get_engine_name(const char *str) | |
871 | { | |
872 | char *p = strstr(str, ":"); | |
873 | ||
874 | if (!p) | |
875 | return str; | |
876 | ||
877 | p++; | |
878 | strip_blank_front(&p); | |
879 | strip_blank_end(p); | |
880 | return p; | |
881 | } | |
882 | ||
e132cbae JA |
883 | static int exists_and_not_file(const char *filename) |
884 | { | |
885 | struct stat sb; | |
886 | ||
887 | if (lstat(filename, &sb) == -1) | |
888 | return 0; | |
889 | ||
890 | if (S_ISREG(sb.st_mode)) | |
891 | return 0; | |
892 | ||
893 | return 1; | |
894 | } | |
895 | ||
906c8d75 JA |
896 | /* |
897 | * Adds a job to the list of things todo. Sanitizes the various options | |
898 | * to make sure we don't have conflicts, and initializes various | |
899 | * members of td. | |
900 | */ | |
75154845 | 901 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 902 | { |
413dd459 JA |
903 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
904 | "randread", "randwrite", "randrw" }; | |
af52b345 | 905 | unsigned int i; |
53cdc686 | 906 | struct fio_file *f; |
09629a90 | 907 | const char *engine; |
af52b345 | 908 | char fname[PATH_MAX]; |
e132cbae | 909 | int numjobs, file_alloced; |
ebac4655 | 910 | |
ebac4655 JA |
911 | /* |
912 | * the def_thread is just for options, it's not a real job | |
913 | */ | |
914 | if (td == &def_thread) | |
915 | return 0; | |
916 | ||
09629a90 JA |
917 | engine = get_engine_name(td->ioengine); |
918 | td->io_ops = load_ioengine(td, engine); | |
919 | if (!td->io_ops) { | |
920 | log_err("fio: failed to load engine %s\n", engine); | |
921 | return 1; | |
922 | } | |
df64119d | 923 | |
9cedf167 JA |
924 | if (td->use_thread) |
925 | nr_thread++; | |
926 | else | |
927 | nr_process++; | |
928 | ||
690adba3 JA |
929 | if (td->odirect) |
930 | td->io_ops->flags |= FIO_RAWIO; | |
931 | ||
e132cbae | 932 | file_alloced = 0; |
bbf6b540 | 933 | if (!td->filename && !td->files_index) { |
e132cbae | 934 | file_alloced = 1; |
80be24f4 | 935 | |
e132cbae JA |
936 | if (td->nr_files == 1 && exists_and_not_file(jobname)) |
937 | add_file(td, jobname); | |
7b05a215 JA |
938 | else { |
939 | for (i = 0; i < td->nr_files; i++) { | |
e132cbae | 940 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
941 | add_file(td, fname); |
942 | } | |
af52b345 | 943 | } |
0af7b542 | 944 | } |
ebac4655 | 945 | |
e0a22335 JA |
946 | fixup_options(td); |
947 | ||
af52b345 JA |
948 | for_each_file(td, f, i) { |
949 | if (td->directory && f->filetype == FIO_TYPE_FILE) { | |
950 | sprintf(fname, "%s/%s", td->directory, f->file_name); | |
951 | f->file_name = strdup(fname); | |
53cdc686 | 952 | } |
53cdc686 JA |
953 | } |
954 | ||
07739b57 | 955 | td->mutex = fio_sem_init(0); |
ebac4655 | 956 | |
756867bd JA |
957 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
958 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
959 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 960 | |
3c5df6fa JA |
961 | if ((td->stonewall || td->numjobs > 1) && prev_group_jobs) { |
962 | prev_group_jobs = 0; | |
ebac4655 | 963 | groupid++; |
3c5df6fa | 964 | } |
ebac4655 JA |
965 | |
966 | td->groupid = groupid; | |
3c5df6fa | 967 | prev_group_jobs++; |
ebac4655 JA |
968 | |
969 | if (setup_rate(td)) | |
970 | goto err; | |
971 | ||
ec94ec56 | 972 | if (td->write_lat_log) { |
756867bd JA |
973 | setup_log(&td->ts.slat_log); |
974 | setup_log(&td->ts.clat_log); | |
ebac4655 | 975 | } |
ec94ec56 | 976 | if (td->write_bw_log) |
756867bd | 977 | setup_log(&td->ts.bw_log); |
ebac4655 | 978 | |
b4692828 JA |
979 | if (!td->name) |
980 | td->name = strdup(jobname); | |
01452055 | 981 | |
c6ae0a5b | 982 | if (!terse_output) { |
b990b5c0 | 983 | if (!job_add_num) { |
ba0fbe10 | 984 | if (!strcmp(td->io_ops->name, "cpuio")) |
b990b5c0 | 985 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
986 | else { |
987 | char *c1, *c2, *c3, *c4; | |
988 | ||
989 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
990 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
991 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
992 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
993 | ||
413dd459 | 994 | 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 |
995 | |
996 | free(c1); | |
997 | free(c2); | |
998 | free(c3); | |
999 | free(c4); | |
1000 | } | |
b990b5c0 | 1001 | } else if (job_add_num == 1) |
c6ae0a5b JA |
1002 | fprintf(f_out, "...\n"); |
1003 | } | |
ebac4655 JA |
1004 | |
1005 | /* | |
1006 | * recurse add identical jobs, clear numjobs and stonewall options | |
1007 | * as they don't apply to sub-jobs | |
1008 | */ | |
1009 | numjobs = td->numjobs; | |
1010 | while (--numjobs) { | |
1011 | struct thread_data *td_new = get_new_job(0, td); | |
1012 | ||
1013 | if (!td_new) | |
1014 | goto err; | |
1015 | ||
1016 | td_new->numjobs = 1; | |
1017 | td_new->stonewall = 0; | |
e132cbae JA |
1018 | |
1019 | if (file_alloced) { | |
1020 | td_new->filename = NULL; | |
1021 | td_new->files_index = 0; | |
1022 | td_new->files = NULL; | |
1023 | } | |
1024 | ||
75154845 | 1025 | job_add_num = numjobs - 1; |
ebac4655 | 1026 | |
75154845 | 1027 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
1028 | goto err; |
1029 | } | |
3c5df6fa JA |
1030 | |
1031 | if (td->numjobs > 1) { | |
1032 | groupid++; | |
1033 | prev_group_jobs = 0; | |
1034 | } | |
1035 | ||
ebac4655 JA |
1036 | return 0; |
1037 | err: | |
1038 | put_job(td); | |
1039 | return -1; | |
1040 | } | |
1041 | ||
906c8d75 JA |
1042 | /* |
1043 | * Initialize the various random states we need (random io, block size ranges, | |
1044 | * read/write mix, etc). | |
1045 | */ | |
ebac4655 JA |
1046 | int init_random_state(struct thread_data *td) |
1047 | { | |
0aabe160 | 1048 | unsigned long seeds[5]; |
af52b345 | 1049 | int fd, num_maps, blocks; |
0ab8db89 | 1050 | struct fio_file *f; |
af52b345 | 1051 | unsigned int i; |
ebac4655 | 1052 | |
ba0fbe10 | 1053 | if (td->io_ops->flags & FIO_DISKLESSIO) |
f48b467c JA |
1054 | return 0; |
1055 | ||
1ac267bb | 1056 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 | 1057 | if (fd == -1) { |
e1161c32 | 1058 | td_verror(td, errno, "open"); |
ebac4655 JA |
1059 | return 1; |
1060 | } | |
1061 | ||
a6ccc7be | 1062 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
e1161c32 | 1063 | td_verror(td, EIO, "read"); |
ebac4655 JA |
1064 | close(fd); |
1065 | return 1; | |
1066 | } | |
1067 | ||
1068 | close(fd); | |
1069 | ||
6dfd46b9 JA |
1070 | os_random_seed(seeds[0], &td->bsrange_state); |
1071 | os_random_seed(seeds[1], &td->verify_state); | |
1072 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 | 1073 | |
413dd459 JA |
1074 | if (td->file_service_type == FIO_FSERVICE_RANDOM) |
1075 | os_random_seed(seeds[3], &td->next_file_state); | |
1076 | ||
1077 | if (!td_random(td)) | |
ebac4655 JA |
1078 | return 0; |
1079 | ||
9ebc27e1 | 1080 | if (td->rand_repeatable) |
0aabe160 | 1081 | seeds[4] = FIO_RANDSEED * td->thread_number; |
ebac4655 | 1082 | |
bb8895e0 JA |
1083 | if (!td->norandommap) { |
1084 | for_each_file(td, f, i) { | |
a4a81712 | 1085 | blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 1086 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 | 1087 | f->file_map = malloc(num_maps * sizeof(long)); |
bda4fd9e JA |
1088 | if (!f->file_map) { |
1089 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
1090 | return 1; | |
1091 | } | |
bb8895e0 JA |
1092 | f->num_maps = num_maps; |
1093 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
1094 | } | |
53cdc686 | 1095 | } |
ebac4655 | 1096 | |
0aabe160 | 1097 | os_random_seed(seeds[4], &td->random_state); |
ebac4655 JA |
1098 | return 0; |
1099 | } | |
1100 | ||
1101 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
1102 | { | |
1103 | #ifdef FIO_HAVE_CPU_AFFINITY | |
1104 | unsigned int i; | |
1105 | ||
1106 | CPU_ZERO(&cpumask); | |
1107 | ||
1108 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1109 | if ((1 << i) & cpu) | |
1110 | CPU_SET(i, &cpumask); | |
1111 | } | |
1112 | #endif | |
1113 | } | |
1114 | ||
ebac4655 JA |
1115 | static int is_empty_or_comment(char *line) |
1116 | { | |
1117 | unsigned int i; | |
1118 | ||
1119 | for (i = 0; i < strlen(line); i++) { | |
1120 | if (line[i] == ';') | |
1121 | return 1; | |
5cc2da30 IM |
1122 | if (line[i] == '#') |
1123 | return 1; | |
ebac4655 JA |
1124 | if (!isspace(line[i]) && !iscntrl(line[i])) |
1125 | return 0; | |
1126 | } | |
1127 | ||
1128 | return 1; | |
1129 | } | |
1130 | ||
313cb206 JA |
1131 | /* |
1132 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
1133 | */ | |
1907dbc6 | 1134 | static char *get_opt_postfix(const char *str) |
313cb206 JA |
1135 | { |
1136 | char *p = strstr(str, ":"); | |
1137 | ||
1138 | if (!p) | |
1139 | return NULL; | |
1140 | ||
1141 | p++; | |
1142 | strip_blank_front(&p); | |
1143 | strip_blank_end(p); | |
1144 | return strdup(p); | |
1145 | } | |
1146 | ||
b4692828 | 1147 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 1148 | { |
cb2c86fd JA |
1149 | struct thread_data *td = data; |
1150 | ||
b1ec1da6 | 1151 | if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) { |
1907dbc6 | 1152 | td->mmapfile = get_opt_postfix(mem); |
b1ec1da6 | 1153 | if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) { |
d0bdaf49 JA |
1154 | log_err("fio: mmaphuge:/path/to/file\n"); |
1155 | return 1; | |
1156 | } | |
ebac4655 JA |
1157 | } |
1158 | ||
b1ec1da6 | 1159 | return 0; |
ebac4655 JA |
1160 | } |
1161 | ||
e1f36503 JA |
1162 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
1163 | { | |
1164 | mlock_size = *val; | |
1165 | return 0; | |
1166 | } | |
1167 | ||
34cfcdaf | 1168 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1169 | static int str_prioclass_cb(void *data, unsigned int *val) |
1170 | { | |
1171 | struct thread_data *td = data; | |
1172 | ||
1173 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1174 | return 0; | |
1175 | } | |
1176 | ||
1177 | static int str_prio_cb(void *data, unsigned int *val) | |
1178 | { | |
1179 | struct thread_data *td = data; | |
1180 | ||
1181 | td->ioprio |= *val; | |
1182 | return 0; | |
1183 | } | |
34cfcdaf | 1184 | #endif |
e1f36503 JA |
1185 | |
1186 | static int str_exitall_cb(void) | |
1187 | { | |
1188 | exitall_on_terminate = 1; | |
1189 | return 0; | |
1190 | } | |
1191 | ||
1192 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1193 | { | |
1194 | struct thread_data *td = data; | |
1195 | ||
1196 | fill_cpu_mask(td->cpumask, *val); | |
1197 | return 0; | |
1198 | } | |
1199 | ||
1907dbc6 JA |
1200 | static int str_fst_cb(void *data, const char *str) |
1201 | { | |
1202 | struct thread_data *td = data; | |
1203 | char *nr = get_opt_postfix(str); | |
1204 | ||
1205 | td->file_service_nr = 1; | |
1206 | if (nr) | |
1207 | td->file_service_nr = atoi(nr); | |
1208 | ||
1209 | return 0; | |
1210 | } | |
1211 | ||
af52b345 JA |
1212 | static int str_filename_cb(void *data, const char *input) |
1213 | { | |
1214 | struct thread_data *td = data; | |
cae61953 | 1215 | char *fname, *str, *p; |
af52b345 | 1216 | |
cae61953 | 1217 | p = str = strdup(input); |
e13363eb JA |
1218 | |
1219 | strip_blank_front(&str); | |
1220 | strip_blank_end(str); | |
1221 | ||
bbf6b540 JA |
1222 | if (!td->files_index) |
1223 | td->nr_files = 0; | |
1224 | ||
0ad920e7 | 1225 | while ((fname = strsep(&str, ":")) != NULL) { |
e13363eb JA |
1226 | if (!strlen(fname)) |
1227 | break; | |
af52b345 | 1228 | add_file(td, fname); |
bbf6b540 | 1229 | td->nr_files++; |
0ad920e7 | 1230 | } |
af52b345 | 1231 | |
cae61953 | 1232 | free(p); |
af52b345 JA |
1233 | return 0; |
1234 | } | |
1235 | ||
1236 | static int str_directory_cb(void *data, const char fio_unused *str) | |
1237 | { | |
1238 | struct thread_data *td = data; | |
1239 | struct stat sb; | |
1240 | ||
1241 | if (lstat(td->directory, &sb) < 0) { | |
1242 | log_err("fio: %s is not a directory\n", td->directory); | |
1243 | td_verror(td, errno, "lstat"); | |
1244 | return 1; | |
1245 | } | |
1246 | if (!S_ISDIR(sb.st_mode)) { | |
1247 | log_err("fio: %s is not a directory\n", td->directory); | |
1248 | return 1; | |
1249 | } | |
1250 | ||
1251 | return 0; | |
1252 | } | |
1253 | ||
bbf6b540 JA |
1254 | static int str_opendir_cb(void *data, const char fio_unused *str) |
1255 | { | |
1256 | struct thread_data *td = data; | |
1257 | ||
1258 | if (!td->files_index) | |
1259 | td->nr_files = 0; | |
1260 | ||
1261 | return add_dir_files(td, td->opendir); | |
1262 | } | |
1263 | ||
07261983 JA |
1264 | /* |
1265 | * This is our [ini] type file parser. | |
1266 | */ | |
1e97cce9 | 1267 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1268 | { |
e1f36503 | 1269 | unsigned int global; |
ebac4655 | 1270 | struct thread_data *td; |
fee3bb48 | 1271 | char *string, *name; |
ebac4655 JA |
1272 | fpos_t off; |
1273 | FILE *f; | |
1274 | char *p; | |
0c7e37a0 | 1275 | int ret = 0, stonewall; |
ebac4655 JA |
1276 | |
1277 | f = fopen(file, "r"); | |
1278 | if (!f) { | |
aea47d44 | 1279 | perror("fopen job file"); |
ebac4655 JA |
1280 | return 1; |
1281 | } | |
1282 | ||
1283 | string = malloc(4096); | |
1284 | name = malloc(256); | |
fee3bb48 | 1285 | memset(name, 0, 256); |
ebac4655 | 1286 | |
0c7e37a0 | 1287 | stonewall = stonewall_flag; |
7c124ac1 JA |
1288 | do { |
1289 | p = fgets(string, 4095, f); | |
1290 | if (!p) | |
45410acb | 1291 | break; |
ebac4655 JA |
1292 | if (is_empty_or_comment(p)) |
1293 | continue; | |
fee3bb48 | 1294 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1295 | continue; |
1296 | ||
1297 | global = !strncmp(name, "global", 6); | |
1298 | ||
1299 | name[strlen(name) - 1] = '\0'; | |
1300 | ||
1301 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1302 | if (!td) { |
1303 | ret = 1; | |
1304 | break; | |
1305 | } | |
ebac4655 | 1306 | |
972cfd25 JA |
1307 | /* |
1308 | * Seperate multiple job files by a stonewall | |
1309 | */ | |
f9481919 | 1310 | if (!global && stonewall) { |
972cfd25 JA |
1311 | td->stonewall = stonewall; |
1312 | stonewall = 0; | |
1313 | } | |
1314 | ||
ebac4655 JA |
1315 | fgetpos(f, &off); |
1316 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1317 | if (is_empty_or_comment(p)) | |
1318 | continue; | |
e1f36503 | 1319 | |
b6754f9d | 1320 | strip_blank_front(&p); |
7c124ac1 JA |
1321 | |
1322 | if (p[0] == '[') | |
1323 | break; | |
1324 | ||
4ae3f763 | 1325 | strip_blank_end(p); |
aea47d44 | 1326 | |
e1f36503 | 1327 | fgetpos(f, &off); |
ebac4655 | 1328 | |
45410acb JA |
1329 | /* |
1330 | * Don't break here, continue parsing options so we | |
1331 | * dump all the bad ones. Makes trial/error fixups | |
1332 | * easier on the user. | |
1333 | */ | |
7c124ac1 | 1334 | ret |= parse_option(p, options, td); |
ebac4655 | 1335 | } |
ebac4655 | 1336 | |
45410acb JA |
1337 | if (!ret) { |
1338 | fsetpos(f, &off); | |
1339 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1340 | } else { |
1341 | log_err("fio: job %s dropped\n", name); | |
1342 | put_job(td); | |
45410acb | 1343 | } |
7c124ac1 | 1344 | } while (!ret); |
ebac4655 JA |
1345 | |
1346 | free(string); | |
1347 | free(name); | |
1348 | fclose(f); | |
45410acb | 1349 | return ret; |
ebac4655 JA |
1350 | } |
1351 | ||
1352 | static int fill_def_thread(void) | |
1353 | { | |
1354 | memset(&def_thread, 0, sizeof(def_thread)); | |
1355 | ||
1356 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1357 | perror("sched_getaffinity"); | |
1358 | return 1; | |
1359 | } | |
1360 | ||
1361 | /* | |
ee738499 | 1362 | * fill default options |
ebac4655 | 1363 | */ |
ee738499 JA |
1364 | fill_default_options(&def_thread, options); |
1365 | ||
972cfd25 | 1366 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1367 | def_thread.write_bw_log = write_bw_log; |
1368 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1369 | |
ebac4655 JA |
1370 | #ifdef FIO_HAVE_DISK_UTIL |
1371 | def_thread.do_disk_util = 1; | |
1372 | #endif | |
1373 | ||
1374 | return 0; | |
1375 | } | |
1376 | ||
0ab8db89 | 1377 | static void usage(void) |
4785f995 JA |
1378 | { |
1379 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1380 | printf("\t--output\tWrite output to file\n"); |
1381 | printf("\t--timeout\tRuntime in seconds\n"); | |
1382 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1383 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1384 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1385 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1386 | printf("\t--help\t\tPrint this page\n"); |
1387 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1388 | } |
1389 | ||
972cfd25 | 1390 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1391 | { |
b4692828 | 1392 | struct thread_data *td = NULL; |
b1ec1da6 | 1393 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 1394 | |
0be06ea2 | 1395 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1396 | switch (c) { |
b4692828 JA |
1397 | case 't': |
1398 | def_timeout = atoi(optarg); | |
1399 | break; | |
1400 | case 'l': | |
1401 | write_lat_log = 1; | |
1402 | break; | |
1403 | case 'w': | |
1404 | write_bw_log = 1; | |
1405 | break; | |
1406 | case 'o': | |
1407 | f_out = fopen(optarg, "w+"); | |
1408 | if (!f_out) { | |
1409 | perror("fopen output"); | |
1410 | exit(1); | |
1411 | } | |
1412 | f_err = f_out; | |
1413 | break; | |
1414 | case 'm': | |
1415 | terse_output = 1; | |
1416 | break; | |
1417 | case 'h': | |
1418 | usage(); | |
1419 | exit(0); | |
fd28ca49 | 1420 | case 'c': |
29fc6afe JA |
1421 | ret = show_cmd_help(options, optarg); |
1422 | exit(ret); | |
b4692828 JA |
1423 | case 'v': |
1424 | printf("%s\n", fio_version_string); | |
1425 | exit(0); | |
1426 | case FIO_GETOPT_JOB: { | |
1427 | const char *opt = long_options[lidx].name; | |
1428 | char *val = optarg; | |
1429 | ||
c2b1e753 JA |
1430 | if (!strncmp(opt, "name", 4) && td) { |
1431 | ret = add_job(td, td->name ?: "fio", 0); | |
1432 | if (ret) { | |
1433 | put_job(td); | |
1434 | return 0; | |
1435 | } | |
1436 | td = NULL; | |
1437 | } | |
b4692828 | 1438 | if (!td) { |
38d0adb0 | 1439 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1440 | |
1441 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1442 | if (!td) |
1443 | return 0; | |
1444 | } | |
38d0adb0 | 1445 | |
b1508cf9 | 1446 | ret = parse_cmd_option(opt, val, options, td); |
78217dfa | 1447 | if (ret) |
b1ec1da6 | 1448 | dont_add_job = 1; |
b4692828 JA |
1449 | break; |
1450 | } | |
1451 | default: | |
b4692828 | 1452 | break; |
ebac4655 JA |
1453 | } |
1454 | } | |
c9fad893 | 1455 | |
b4692828 | 1456 | if (td) { |
b1ec1da6 | 1457 | if (dont_add_job) |
b4692828 | 1458 | put_job(td); |
b1ec1da6 JA |
1459 | else { |
1460 | ret = add_job(td, td->name ?: "fio", 0); | |
1461 | if (ret) | |
1462 | put_job(td); | |
1463 | } | |
972cfd25 | 1464 | } |
774a6177 | 1465 | |
b4692828 JA |
1466 | while (optind < argc) { |
1467 | ini_idx++; | |
1468 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1469 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1470 | optind++; | |
eb8bbf48 | 1471 | } |
972cfd25 JA |
1472 | |
1473 | return ini_idx; | |
ebac4655 JA |
1474 | } |
1475 | ||
1476 | static void free_shm(void) | |
1477 | { | |
1478 | struct shmid_ds sbuf; | |
1479 | ||
1480 | if (threads) { | |
2c0ecd28 | 1481 | shmdt((void *) threads); |
ebac4655 JA |
1482 | threads = NULL; |
1483 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1484 | } | |
1485 | } | |
1486 | ||
906c8d75 JA |
1487 | /* |
1488 | * The thread area is shared between the main process and the job | |
1489 | * threads/processes. So setup a shared memory segment that will hold | |
1490 | * all the job info. | |
1491 | */ | |
ebac4655 JA |
1492 | static int setup_thread_area(void) |
1493 | { | |
1494 | /* | |
1495 | * 1024 is too much on some machines, scale max_jobs if | |
1496 | * we get a failure that looks like too large a shm segment | |
1497 | */ | |
1498 | do { | |
906c8d75 | 1499 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1500 | |
906c8d75 | 1501 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1502 | if (shm_id != -1) |
1503 | break; | |
1504 | if (errno != EINVAL) { | |
1505 | perror("shmget"); | |
1506 | break; | |
1507 | } | |
1508 | ||
1509 | max_jobs >>= 1; | |
1510 | } while (max_jobs); | |
1511 | ||
1512 | if (shm_id == -1) | |
1513 | return 1; | |
1514 | ||
1515 | threads = shmat(shm_id, NULL, 0); | |
1516 | if (threads == (void *) -1) { | |
1517 | perror("shmat"); | |
1518 | return 1; | |
1519 | } | |
1520 | ||
1521 | atexit(free_shm); | |
1522 | return 0; | |
1523 | } | |
1524 | ||
b4692828 JA |
1525 | /* |
1526 | * Copy the fio options into the long options map, so we mirror | |
1527 | * job and cmd line options. | |
1528 | */ | |
1529 | static void dupe_job_options(void) | |
1530 | { | |
1531 | struct fio_option *o; | |
1532 | unsigned int i; | |
1533 | ||
1534 | i = 0; | |
1535 | while (long_options[i].name) | |
1536 | i++; | |
1537 | ||
1538 | o = &options[0]; | |
1539 | while (o->name) { | |
1540 | long_options[i].name = o->name; | |
1541 | long_options[i].val = FIO_GETOPT_JOB; | |
1542 | if (o->type == FIO_OPT_STR_SET) | |
1543 | long_options[i].has_arg = no_argument; | |
1544 | else | |
1545 | long_options[i].has_arg = required_argument; | |
1546 | ||
1547 | i++; | |
1548 | o++; | |
1549 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1550 | } | |
1551 | } | |
1552 | ||
ebac4655 JA |
1553 | int parse_options(int argc, char *argv[]) |
1554 | { | |
972cfd25 JA |
1555 | int job_files, i; |
1556 | ||
b4692828 JA |
1557 | f_out = stdout; |
1558 | f_err = stderr; | |
1559 | ||
13335ddb JA |
1560 | options_init(options); |
1561 | ||
b4692828 JA |
1562 | dupe_job_options(); |
1563 | ||
ebac4655 JA |
1564 | if (setup_thread_area()) |
1565 | return 1; | |
1566 | if (fill_def_thread()) | |
1567 | return 1; | |
1568 | ||
972cfd25 | 1569 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1570 | |
972cfd25 JA |
1571 | for (i = 0; i < job_files; i++) { |
1572 | if (fill_def_thread()) | |
1573 | return 1; | |
0c7e37a0 | 1574 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1575 | return 1; |
88c6ed80 | 1576 | free(ini_file[i]); |
972cfd25 | 1577 | } |
ebac4655 | 1578 | |
88c6ed80 | 1579 | free(ini_file); |
b4692828 JA |
1580 | |
1581 | if (!thread_number) { | |
1582 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1583 | return 1; |
1584 | } | |
1585 | ||
ebac4655 JA |
1586 | return 0; |
1587 | } |