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), | |
9c60ce64 JA |
186 | .help = "Total size of device or files", |
187 | }, | |
188 | { | |
189 | .name = "filesize", | |
190 | .type = FIO_OPT_STR_VAL, | |
191 | .off1 = td_var_offset(file_size_low), | |
192 | .off2 = td_var_offset(file_size_high), | |
193 | .help = "Size of individual files", | |
03b74b3e JA |
194 | }, |
195 | { | |
196 | .name = "bs", | |
197 | .type = FIO_OPT_STR_VAL_INT, | |
198 | .off1 = td_var_offset(bs[DDIR_READ]), | |
199 | .off2 = td_var_offset(bs[DDIR_WRITE]), | |
200 | .help = "Block size unit", | |
201 | .def = "4k", | |
202 | }, | |
203 | { | |
204 | .name = "bsrange", | |
205 | .type = FIO_OPT_RANGE, | |
206 | .off1 = td_var_offset(min_bs[DDIR_READ]), | |
207 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
208 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), | |
209 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
210 | .help = "Set block size range (in more detail than bs)", | |
211 | }, | |
212 | { | |
213 | .name = "bs_unaligned", | |
214 | .type = FIO_OPT_STR_SET, | |
215 | .off1 = td_var_offset(bs_unaligned), | |
216 | .help = "Don't sector align IO buffer sizes", | |
217 | }, | |
218 | { | |
219 | .name = "offset", | |
220 | .type = FIO_OPT_STR_VAL, | |
221 | .off1 = td_var_offset(start_offset), | |
222 | .help = "Start IO from this offset", | |
223 | .def = "0", | |
224 | }, | |
225 | { | |
226 | .name = "randrepeat", | |
227 | .type = FIO_OPT_BOOL, | |
228 | .off1 = td_var_offset(rand_repeatable), | |
229 | .help = "Use repeatable random IO pattern", | |
230 | .def = "1", | |
231 | }, | |
232 | { | |
233 | .name = "norandommap", | |
234 | .type = FIO_OPT_STR_SET, | |
235 | .off1 = td_var_offset(norandommap), | |
236 | .help = "Accept potential duplicate random blocks", | |
237 | }, | |
238 | { | |
239 | .name = "nrfiles", | |
240 | .type = FIO_OPT_INT, | |
241 | .off1 = td_var_offset(nr_files), | |
242 | .help = "Split job workload between this number of files", | |
243 | .def = "1", | |
244 | }, | |
b5af8293 JA |
245 | { |
246 | .name = "openfiles", | |
247 | .type = FIO_OPT_INT, | |
248 | .off1 = td_var_offset(open_files), | |
249 | .help = "Number of files to keep open at the same time", | |
250 | }, | |
0aabe160 JA |
251 | { |
252 | .name = "file_service_type", | |
253 | .type = FIO_OPT_STR, | |
1907dbc6 | 254 | .cb = str_fst_cb, |
b1ec1da6 | 255 | .off1 = td_var_offset(file_service_type), |
0aabe160 JA |
256 | .help = "How to select which file to service next", |
257 | .def = "roundrobin", | |
b1ec1da6 | 258 | .posval = { |
7837213b JA |
259 | { .ival = "random", |
260 | .oval = FIO_FSERVICE_RANDOM, | |
261 | .help = "Choose a file at random", | |
262 | }, | |
263 | { .ival = "roundrobin", | |
264 | .oval = FIO_FSERVICE_RR, | |
265 | .help = "Round robin select files", | |
b1ec1da6 | 266 | }, |
7837213b | 267 | }, |
0aabe160 | 268 | }, |
03b74b3e JA |
269 | { |
270 | .name = "fsync", | |
271 | .type = FIO_OPT_INT, | |
272 | .off1 = td_var_offset(fsync_blocks), | |
273 | .help = "Issue fsync for writes every given number of blocks", | |
274 | .def = "0", | |
275 | }, | |
276 | { | |
277 | .name = "direct", | |
278 | .type = FIO_OPT_BOOL, | |
279 | .off1 = td_var_offset(odirect), | |
76a43db4 JA |
280 | .help = "Use O_DIRECT IO (negates buffered)", |
281 | .def = "0", | |
282 | }, | |
283 | { | |
284 | .name = "buffered", | |
285 | .type = FIO_OPT_BOOL, | |
286 | .off1 = td_var_offset(odirect), | |
287 | .neg = 1, | |
288 | .help = "Use buffered IO (negates direct)", | |
03b74b3e JA |
289 | .def = "1", |
290 | }, | |
291 | { | |
292 | .name = "overwrite", | |
293 | .type = FIO_OPT_BOOL, | |
294 | .off1 = td_var_offset(overwrite), | |
295 | .help = "When writing, set whether to overwrite current data", | |
296 | .def = "0", | |
297 | }, | |
298 | { | |
299 | .name = "loops", | |
300 | .type = FIO_OPT_INT, | |
301 | .off1 = td_var_offset(loops), | |
302 | .help = "Number of times to run the job", | |
303 | .def = "1", | |
304 | }, | |
305 | { | |
306 | .name = "numjobs", | |
307 | .type = FIO_OPT_INT, | |
308 | .off1 = td_var_offset(numjobs), | |
309 | .help = "Duplicate this job this many times", | |
310 | .def = "1", | |
311 | }, | |
312 | { | |
313 | .name = "startdelay", | |
314 | .type = FIO_OPT_INT, | |
315 | .off1 = td_var_offset(start_delay), | |
316 | .help = "Only start job when this period has passed", | |
317 | .def = "0", | |
318 | }, | |
319 | { | |
320 | .name = "runtime", | |
321 | .alias = "timeout", | |
322 | .type = FIO_OPT_STR_VAL_TIME, | |
323 | .off1 = td_var_offset(timeout), | |
324 | .help = "Stop workload when this amount of time has passed", | |
325 | .def = "0", | |
326 | }, | |
e1f36503 JA |
327 | { |
328 | .name = "mem", | |
329 | .type = FIO_OPT_STR, | |
330 | .cb = str_mem_cb, | |
b1ec1da6 | 331 | .off1 = td_var_offset(mem_type), |
15f7918f | 332 | .help = "Backing type for IO buffers", |
ee738499 | 333 | .def = "malloc", |
b1ec1da6 | 334 | .posval = { |
7837213b JA |
335 | { .ival = "malloc", |
336 | .oval = MEM_MALLOC, | |
337 | .help = "Use malloc(3) for IO buffers", | |
338 | }, | |
339 | { .ival = "shm", | |
340 | .oval = MEM_SHM, | |
341 | .help = "Use shared memory segments for IO buffers", | |
342 | }, | |
b1ec1da6 | 343 | #ifdef FIO_HAVE_HUGETLB |
7837213b JA |
344 | { .ival = "shmhuge", |
345 | .oval = MEM_SHMHUGE, | |
346 | .help = "Like shm, but use huge pages", | |
347 | }, | |
b1ec1da6 | 348 | #endif |
7837213b JA |
349 | { .ival = "mmap", |
350 | .oval = MEM_MMAP, | |
351 | .help = "Use mmap(2) (file or anon) for IO buffers", | |
352 | }, | |
b1ec1da6 | 353 | #ifdef FIO_HAVE_HUGETLB |
7837213b JA |
354 | { .ival = "mmaphuge", |
355 | .oval = MEM_MMAPHUGE, | |
356 | .help = "Like mmap, but use huge pages", | |
b1ec1da6 | 357 | }, |
7837213b JA |
358 | #endif |
359 | }, | |
e1f36503 JA |
360 | }, |
361 | { | |
362 | .name = "verify", | |
363 | .type = FIO_OPT_STR, | |
b1ec1da6 | 364 | .off1 = td_var_offset(verify), |
9d6d019b | 365 | .help = "Verify data written", |
ee738499 | 366 | .def = "0", |
b1ec1da6 | 367 | .posval = { |
7837213b JA |
368 | { .ival = "0", |
369 | .oval = VERIFY_NONE, | |
370 | .help = "Don't do IO verification", | |
371 | }, | |
372 | { .ival = "crc32", | |
373 | .oval = VERIFY_CRC32, | |
374 | .help = "Use crc32 checksums for verification", | |
375 | }, | |
376 | { .ival = "md5", | |
377 | .oval = VERIFY_MD5, | |
378 | .help = "Use md5 checksums for verification", | |
b1ec1da6 | 379 | }, |
7837213b | 380 | }, |
e1f36503 JA |
381 | }, |
382 | { | |
383 | .name = "write_iolog", | |
076efc7c JA |
384 | .type = FIO_OPT_STR_STORE, |
385 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 386 | .help = "Store IO pattern to file", |
e1f36503 JA |
387 | }, |
388 | { | |
076efc7c | 389 | .name = "read_iolog", |
e1f36503 | 390 | .type = FIO_OPT_STR_STORE, |
076efc7c | 391 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 392 | .help = "Playback IO pattern from file", |
e1f36503 JA |
393 | }, |
394 | { | |
395 | .name = "exec_prerun", | |
396 | .type = FIO_OPT_STR_STORE, | |
397 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 398 | .help = "Execute this file prior to running job", |
e1f36503 JA |
399 | }, |
400 | { | |
401 | .name = "exec_postrun", | |
402 | .type = FIO_OPT_STR_STORE, | |
403 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 404 | .help = "Execute this file after running job", |
e1f36503 JA |
405 | }, |
406 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
407 | { | |
408 | .name = "ioscheduler", | |
409 | .type = FIO_OPT_STR_STORE, | |
410 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 411 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
412 | }, |
413 | #endif | |
e1f36503 JA |
414 | { |
415 | .name = "zonesize", | |
416 | .type = FIO_OPT_STR_VAL, | |
417 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 418 | .help = "Give size of an IO zone", |
ee738499 | 419 | .def = "0", |
e1f36503 JA |
420 | }, |
421 | { | |
422 | .name = "zoneskip", | |
423 | .type = FIO_OPT_STR_VAL, | |
424 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 425 | .help = "Space between IO zones", |
ee738499 | 426 | .def = "0", |
e1f36503 JA |
427 | }, |
428 | { | |
429 | .name = "lockmem", | |
430 | .type = FIO_OPT_STR_VAL, | |
431 | .cb = str_lockmem_cb, | |
fd28ca49 | 432 | .help = "Lock down this amount of memory", |
ee738499 | 433 | .def = "0", |
e1f36503 | 434 | }, |
e1f36503 JA |
435 | { |
436 | .name = "rwmixcycle", | |
437 | .type = FIO_OPT_INT, | |
438 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
439 | .help = "Cycle period for mixed read/write workloads (msec)", |
440 | .def = "500", | |
e1f36503 JA |
441 | }, |
442 | { | |
443 | .name = "rwmixread", | |
444 | .type = FIO_OPT_INT, | |
445 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 446 | .maxval = 100, |
fd28ca49 | 447 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 448 | .def = "50", |
e1f36503 JA |
449 | }, |
450 | { | |
451 | .name = "rwmixwrite", | |
452 | .type = FIO_OPT_INT, | |
453 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 454 | .maxval = 100, |
fd28ca49 | 455 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 456 | .def = "50", |
e1f36503 JA |
457 | }, |
458 | { | |
459 | .name = "nice", | |
460 | .type = FIO_OPT_INT, | |
461 | .off1 = td_var_offset(nice), | |
fd28ca49 | 462 | .help = "Set job CPU nice value", |
15f7918f | 463 | .minval = -19, |
ee738499 JA |
464 | .maxval = 20, |
465 | .def = "0", | |
e1f36503 JA |
466 | }, |
467 | #ifdef FIO_HAVE_IOPRIO | |
468 | { | |
469 | .name = "prio", | |
470 | .type = FIO_OPT_INT, | |
471 | .cb = str_prio_cb, | |
fd28ca49 | 472 | .help = "Set job IO priority value", |
15f7918f JA |
473 | .minval = 0, |
474 | .maxval = 7, | |
e1f36503 JA |
475 | }, |
476 | { | |
477 | .name = "prioclass", | |
478 | .type = FIO_OPT_INT, | |
479 | .cb = str_prioclass_cb, | |
fd28ca49 | 480 | .help = "Set job IO priority class", |
15f7918f JA |
481 | .minval = 0, |
482 | .maxval = 3, | |
e1f36503 JA |
483 | }, |
484 | #endif | |
485 | { | |
486 | .name = "thinktime", | |
487 | .type = FIO_OPT_INT, | |
1304923a | 488 | .off1 = td_var_offset(thinktime), |
5fa0f817 | 489 | .help = "Idle time between IO buffers (usec)", |
ee738499 | 490 | .def = "0", |
e1f36503 | 491 | }, |
48097d5c JA |
492 | { |
493 | .name = "thinktime_spin", | |
494 | .type = FIO_OPT_INT, | |
495 | .off1 = td_var_offset(thinktime_spin), | |
34403fb1 | 496 | .help = "Start think time by spinning this amount (usec)", |
48097d5c JA |
497 | .def = "0", |
498 | }, | |
9c1f7434 JA |
499 | { |
500 | .name = "thinktime_blocks", | |
501 | .type = FIO_OPT_INT, | |
1304923a | 502 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 503 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 504 | .def = "1", |
9c1f7434 | 505 | }, |
e1f36503 JA |
506 | { |
507 | .name = "rate", | |
508 | .type = FIO_OPT_INT, | |
1304923a | 509 | .off1 = td_var_offset(rate), |
fd28ca49 | 510 | .help = "Set bandwidth rate", |
e1f36503 JA |
511 | }, |
512 | { | |
513 | .name = "ratemin", | |
514 | .type = FIO_OPT_INT, | |
1304923a | 515 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 516 | .help = "The bottom limit accepted", |
e1f36503 JA |
517 | }, |
518 | { | |
519 | .name = "ratecycle", | |
520 | .type = FIO_OPT_INT, | |
1304923a | 521 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 522 | .help = "Window average for rate limits (msec)", |
ee738499 | 523 | .def = "1000", |
e1f36503 | 524 | }, |
e1f36503 JA |
525 | { |
526 | .name = "invalidate", | |
13335ddb | 527 | .type = FIO_OPT_BOOL, |
1304923a | 528 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 529 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 530 | .def = "1", |
e1f36503 JA |
531 | }, |
532 | { | |
533 | .name = "sync", | |
13335ddb | 534 | .type = FIO_OPT_BOOL, |
1304923a | 535 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 536 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 537 | .def = "0", |
e1f36503 JA |
538 | }, |
539 | { | |
540 | .name = "bwavgtime", | |
541 | .type = FIO_OPT_INT, | |
1304923a | 542 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
543 | .help = "Time window over which to calculate bandwidth (msec)", |
544 | .def = "500", | |
e1f36503 JA |
545 | }, |
546 | { | |
547 | .name = "create_serialize", | |
13335ddb | 548 | .type = FIO_OPT_BOOL, |
1304923a | 549 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 550 | .help = "Serialize creating of job files", |
ee738499 | 551 | .def = "1", |
e1f36503 JA |
552 | }, |
553 | { | |
554 | .name = "create_fsync", | |
13335ddb | 555 | .type = FIO_OPT_BOOL, |
1304923a | 556 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 557 | .help = "Fsync file after creation", |
ee738499 | 558 | .def = "1", |
e1f36503 | 559 | }, |
e1f36503 JA |
560 | { |
561 | .name = "cpuload", | |
562 | .type = FIO_OPT_INT, | |
1304923a | 563 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 564 | .help = "Use this percentage of CPU", |
e1f36503 JA |
565 | }, |
566 | { | |
567 | .name = "cpuchunks", | |
568 | .type = FIO_OPT_INT, | |
1304923a | 569 | .off1 = td_var_offset(cpucycle), |
ba0fbe10 JA |
570 | .help = "Length of the CPU burn cycles (usecs)", |
571 | .def = "50000", | |
e1f36503 | 572 | }, |
e1f36503 JA |
573 | #ifdef FIO_HAVE_CPU_AFFINITY |
574 | { | |
575 | .name = "cpumask", | |
576 | .type = FIO_OPT_INT, | |
577 | .cb = str_cpumask_cb, | |
fd28ca49 | 578 | .help = "CPU affinity mask", |
e1f36503 JA |
579 | }, |
580 | #endif | |
581 | { | |
582 | .name = "end_fsync", | |
13335ddb | 583 | .type = FIO_OPT_BOOL, |
1304923a | 584 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 585 | .help = "Include fsync at the end of job", |
ee738499 | 586 | .def = "0", |
e1f36503 | 587 | }, |
ebb1415f JA |
588 | { |
589 | .name = "fsync_on_close", | |
590 | .type = FIO_OPT_BOOL, | |
591 | .off1 = td_var_offset(fsync_on_close), | |
592 | .help = "fsync files on close", | |
593 | .def = "0", | |
594 | }, | |
e1f36503 JA |
595 | { |
596 | .name = "unlink", | |
13335ddb | 597 | .type = FIO_OPT_BOOL, |
e1f36503 | 598 | .off1 = td_var_offset(unlink), |
ee738499 | 599 | .help = "Unlink created files after job has completed", |
e545a6ce | 600 | .def = "0", |
e1f36503 JA |
601 | }, |
602 | { | |
603 | .name = "exitall", | |
604 | .type = FIO_OPT_STR_SET, | |
605 | .cb = str_exitall_cb, | |
fd28ca49 | 606 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
607 | }, |
608 | { | |
609 | .name = "stonewall", | |
610 | .type = FIO_OPT_STR_SET, | |
611 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 612 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
613 | }, |
614 | { | |
615 | .name = "thread", | |
616 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 617 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 618 | .help = "Use threads instead of forks", |
e1f36503 JA |
619 | }, |
620 | { | |
621 | .name = "write_bw_log", | |
622 | .type = FIO_OPT_STR_SET, | |
623 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 624 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
625 | }, |
626 | { | |
627 | .name = "write_lat_log", | |
628 | .type = FIO_OPT_STR_SET, | |
629 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 630 | .help = "Write log of latency during run", |
e1f36503 | 631 | }, |
56bb17f2 JA |
632 | { |
633 | .name = "hugepage-size", | |
634 | .type = FIO_OPT_STR_VAL, | |
635 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 636 | .help = "When using hugepages, specify size of each page", |
ee738499 | 637 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 638 | }, |
b2560f3c JA |
639 | { |
640 | .name = "group_reporting", | |
641 | .type = FIO_OPT_STR_SET, | |
642 | .off1 = td_var_offset(group_reporting), | |
643 | .help = "Do reporting on a per-group basis", | |
644 | }, | |
e1f36503 JA |
645 | { |
646 | .name = NULL, | |
647 | }, | |
648 | }; | |
649 | ||
b4692828 JA |
650 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
651 | #define FIO_CMD_OPTS (16) | |
652 | #define FIO_GETOPT_JOB (0x89988998) | |
653 | ||
654 | /* | |
655 | * Command line options. These will contain the above, plus a few | |
656 | * extra that only pertain to fio itself and not jobs. | |
657 | */ | |
658 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
659 | { | |
660 | .name = "output", | |
661 | .has_arg = required_argument, | |
662 | .val = 'o', | |
663 | }, | |
664 | { | |
665 | .name = "timeout", | |
666 | .has_arg = required_argument, | |
667 | .val = 't', | |
668 | }, | |
669 | { | |
670 | .name = "latency-log", | |
671 | .has_arg = required_argument, | |
672 | .val = 'l', | |
673 | }, | |
674 | { | |
675 | .name = "bandwidth-log", | |
676 | .has_arg = required_argument, | |
677 | .val = 'b', | |
678 | }, | |
679 | { | |
680 | .name = "minimal", | |
681 | .has_arg = optional_argument, | |
682 | .val = 'm', | |
683 | }, | |
684 | { | |
685 | .name = "version", | |
686 | .has_arg = no_argument, | |
687 | .val = 'v', | |
688 | }, | |
fd28ca49 JA |
689 | { |
690 | .name = "help", | |
691 | .has_arg = no_argument, | |
692 | .val = 'h', | |
693 | }, | |
694 | { | |
695 | .name = "cmdhelp", | |
320beefe | 696 | .has_arg = optional_argument, |
fd28ca49 JA |
697 | .val = 'c', |
698 | }, | |
b4692828 JA |
699 | { |
700 | .name = NULL, | |
701 | }, | |
702 | }; | |
703 | ||
ee738499 | 704 | static int def_timeout = 0; |
972cfd25 | 705 | |
54592a37 | 706 | static char fio_version_string[] = "fio 1.14a"; |
ebac4655 | 707 | |
972cfd25 | 708 | static char **ini_file; |
ebac4655 JA |
709 | static int max_jobs = MAX_JOBS; |
710 | ||
711 | struct thread_data def_thread; | |
712 | struct thread_data *threads = NULL; | |
713 | ||
ebac4655 | 714 | int exitall_on_terminate = 0; |
c6ae0a5b | 715 | int terse_output = 0; |
c04f7ec3 | 716 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
717 | FILE *f_out = NULL; |
718 | FILE *f_err = NULL; | |
ebac4655 | 719 | |
ee738499 | 720 | static int write_lat_log = 0; |
bb3884d8 | 721 | int write_bw_log = 0; |
ec94ec56 | 722 | |
3c5df6fa JA |
723 | static int prev_group_jobs; |
724 | ||
9728ce37 JB |
725 | FILE *get_f_out() |
726 | { | |
727 | return f_out; | |
728 | } | |
729 | ||
730 | FILE *get_f_err() | |
731 | { | |
732 | return f_err; | |
733 | } | |
734 | ||
906c8d75 JA |
735 | /* |
736 | * Return a free job structure. | |
737 | */ | |
ebac4655 JA |
738 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
739 | { | |
740 | struct thread_data *td; | |
741 | ||
742 | if (global) | |
743 | return &def_thread; | |
744 | if (thread_number >= max_jobs) | |
745 | return NULL; | |
746 | ||
747 | td = &threads[thread_number++]; | |
ddaeaa5a | 748 | *td = *parent; |
ebac4655 | 749 | |
ebac4655 | 750 | td->thread_number = thread_number; |
ebac4655 JA |
751 | return td; |
752 | } | |
753 | ||
754 | static void put_job(struct thread_data *td) | |
755 | { | |
549577a7 JA |
756 | if (td == &def_thread) |
757 | return; | |
758 | ||
16edf25d | 759 | if (td->error) |
6d86144d | 760 | log_info("fio: %s\n", td->verror); |
16edf25d | 761 | |
ebac4655 JA |
762 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
763 | thread_number--; | |
764 | } | |
765 | ||
dad915e3 JA |
766 | /* |
767 | * Lazy way of fixing up options that depend on each other. We could also | |
768 | * define option callback handlers, but this is easier. | |
769 | */ | |
e1f36503 JA |
770 | static void fixup_options(struct thread_data *td) |
771 | { | |
e1f36503 JA |
772 | if (!td->rwmixread && td->rwmixwrite) |
773 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 774 | |
076efc7c JA |
775 | if (td->write_iolog_file && td->read_iolog_file) { |
776 | log_err("fio: read iolog overrides write_iolog\n"); | |
777 | free(td->write_iolog_file); | |
778 | td->write_iolog_file = NULL; | |
779 | } | |
16b462ae JA |
780 | |
781 | if (td->io_ops->flags & FIO_SYNCIO) | |
782 | td->iodepth = 1; | |
783 | else { | |
784 | if (!td->iodepth) | |
b5af8293 | 785 | td->iodepth = td->open_files; |
16b462ae JA |
786 | } |
787 | ||
788 | /* | |
789 | * only really works for sequential io for now, and with 1 file | |
790 | */ | |
b5af8293 | 791 | if (td->zone_size && td_random(td) && td->open_files == 1) |
16b462ae JA |
792 | td->zone_size = 0; |
793 | ||
794 | /* | |
795 | * Reads can do overwrites, we always need to pre-create the file | |
796 | */ | |
797 | if (td_read(td) || td_rw(td)) | |
798 | td->overwrite = 1; | |
799 | ||
a00735e6 JA |
800 | if (!td->min_bs[DDIR_READ]) |
801 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
802 | if (!td->max_bs[DDIR_READ]) | |
803 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
804 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 805 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 806 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 807 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
808 | |
809 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
810 | ||
9c60ce64 JA |
811 | if (!td->file_size_high) |
812 | td->file_size_high = td->file_size_low; | |
813 | ||
16b462ae JA |
814 | if (td_read(td) && !td_rw(td)) |
815 | td->verify = 0; | |
bb8895e0 JA |
816 | |
817 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
818 | log_err("fio: norandommap given, verify disabled\n"); | |
819 | td->verify = VERIFY_NONE; | |
820 | } | |
690adba3 JA |
821 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
822 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 | 823 | |
48097d5c JA |
824 | /* |
825 | * thinktime_spin must be less than thinktime | |
826 | */ | |
827 | if (td->thinktime_spin > td->thinktime) | |
828 | td->thinktime_spin = td->thinktime; | |
e916b390 JA |
829 | |
830 | /* | |
831 | * The low water mark cannot be bigger than the iodepth | |
832 | */ | |
9467b77c JA |
833 | if (td->iodepth_low > td->iodepth || !td->iodepth_low) { |
834 | /* | |
835 | * syslet work around - if the workload is sequential, | |
836 | * we want to let the queue drain all the way down to | |
837 | * avoid seeking between async threads | |
838 | */ | |
839 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
840 | td->iodepth_low = 1; | |
841 | else | |
842 | td->iodepth_low = td->iodepth; | |
843 | } | |
cb5ab512 JA |
844 | |
845 | /* | |
846 | * If batch number isn't set, default to the same as iodepth | |
847 | */ | |
848 | if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) | |
849 | td->iodepth_batch = td->iodepth; | |
b5af8293 | 850 | |
bbf6b540 | 851 | if (td->nr_files > td->files_index) |
9f9214f2 JA |
852 | td->nr_files = td->files_index; |
853 | ||
854 | if (td->open_files > td->nr_files || !td->open_files) | |
b5af8293 | 855 | td->open_files = td->nr_files; |
e1f36503 JA |
856 | } |
857 | ||
f8977ee6 JA |
858 | /* |
859 | * This function leaks the buffer | |
860 | */ | |
861 | static char *to_kmg(unsigned int val) | |
862 | { | |
863 | char *buf = malloc(32); | |
f3502ba2 | 864 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
865 | char *p = post; |
866 | ||
245142ff | 867 | do { |
f8977ee6 JA |
868 | if (val & 1023) |
869 | break; | |
870 | ||
871 | val >>= 10; | |
872 | p++; | |
245142ff | 873 | } while (*p); |
f8977ee6 JA |
874 | |
875 | snprintf(buf, 31, "%u%c", val, *p); | |
876 | return buf; | |
877 | } | |
878 | ||
09629a90 JA |
879 | /* External engines are specified by "external:name.o") */ |
880 | static const char *get_engine_name(const char *str) | |
881 | { | |
882 | char *p = strstr(str, ":"); | |
883 | ||
884 | if (!p) | |
885 | return str; | |
886 | ||
887 | p++; | |
888 | strip_blank_front(&p); | |
889 | strip_blank_end(p); | |
890 | return p; | |
891 | } | |
892 | ||
e132cbae JA |
893 | static int exists_and_not_file(const char *filename) |
894 | { | |
895 | struct stat sb; | |
896 | ||
897 | if (lstat(filename, &sb) == -1) | |
898 | return 0; | |
899 | ||
900 | if (S_ISREG(sb.st_mode)) | |
901 | return 0; | |
902 | ||
903 | return 1; | |
904 | } | |
905 | ||
9c60ce64 JA |
906 | /* |
907 | * Initialize the various random states we need (random io, block size ranges, | |
908 | * read/write mix, etc). | |
909 | */ | |
910 | static int init_random_state(struct thread_data *td) | |
911 | { | |
912 | unsigned long seeds[6]; | |
913 | int fd, num_maps, blocks; | |
914 | struct fio_file *f; | |
915 | unsigned int i; | |
916 | ||
917 | fd = open("/dev/urandom", O_RDONLY); | |
918 | if (fd == -1) { | |
919 | td_verror(td, errno, "open"); | |
920 | return 1; | |
921 | } | |
922 | ||
923 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
924 | td_verror(td, EIO, "read"); | |
925 | close(fd); | |
926 | return 1; | |
927 | } | |
928 | ||
929 | close(fd); | |
930 | ||
931 | os_random_seed(seeds[0], &td->bsrange_state); | |
932 | os_random_seed(seeds[1], &td->verify_state); | |
933 | os_random_seed(seeds[2], &td->rwmix_state); | |
934 | ||
935 | if (td->file_service_type == FIO_FSERVICE_RANDOM) | |
936 | os_random_seed(seeds[3], &td->next_file_state); | |
937 | ||
938 | os_random_seed(seeds[5], &td->file_size_state); | |
939 | ||
940 | if (!td_random(td)) | |
941 | return 0; | |
942 | ||
943 | if (td->rand_repeatable) | |
944 | seeds[4] = FIO_RANDSEED * td->thread_number; | |
945 | ||
946 | if (!td->norandommap) { | |
947 | for_each_file(td, f, i) { | |
948 | blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; | |
949 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; | |
950 | f->file_map = malloc(num_maps * sizeof(long)); | |
951 | if (!f->file_map) { | |
952 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
953 | return 1; | |
954 | } | |
955 | f->num_maps = num_maps; | |
956 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
957 | } | |
958 | } | |
959 | ||
960 | os_random_seed(seeds[4], &td->random_state); | |
961 | return 0; | |
962 | } | |
963 | ||
964 | ||
906c8d75 JA |
965 | /* |
966 | * Adds a job to the list of things todo. Sanitizes the various options | |
967 | * to make sure we don't have conflicts, and initializes various | |
968 | * members of td. | |
969 | */ | |
75154845 | 970 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 971 | { |
413dd459 JA |
972 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
973 | "randread", "randwrite", "randrw" }; | |
af52b345 | 974 | unsigned int i; |
53cdc686 | 975 | struct fio_file *f; |
09629a90 | 976 | const char *engine; |
af52b345 | 977 | char fname[PATH_MAX]; |
e132cbae | 978 | int numjobs, file_alloced; |
ebac4655 | 979 | |
ebac4655 JA |
980 | /* |
981 | * the def_thread is just for options, it's not a real job | |
982 | */ | |
983 | if (td == &def_thread) | |
984 | return 0; | |
985 | ||
09629a90 JA |
986 | engine = get_engine_name(td->ioengine); |
987 | td->io_ops = load_ioengine(td, engine); | |
988 | if (!td->io_ops) { | |
989 | log_err("fio: failed to load engine %s\n", engine); | |
990 | return 1; | |
991 | } | |
df64119d | 992 | |
9cedf167 JA |
993 | if (td->use_thread) |
994 | nr_thread++; | |
995 | else | |
996 | nr_process++; | |
997 | ||
690adba3 JA |
998 | if (td->odirect) |
999 | td->io_ops->flags |= FIO_RAWIO; | |
1000 | ||
e132cbae | 1001 | file_alloced = 0; |
bbf6b540 | 1002 | if (!td->filename && !td->files_index) { |
e132cbae | 1003 | file_alloced = 1; |
80be24f4 | 1004 | |
e132cbae JA |
1005 | if (td->nr_files == 1 && exists_and_not_file(jobname)) |
1006 | add_file(td, jobname); | |
7b05a215 JA |
1007 | else { |
1008 | for (i = 0; i < td->nr_files; i++) { | |
e132cbae | 1009 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
1010 | add_file(td, fname); |
1011 | } | |
af52b345 | 1012 | } |
0af7b542 | 1013 | } |
ebac4655 | 1014 | |
e0a22335 JA |
1015 | fixup_options(td); |
1016 | ||
af52b345 JA |
1017 | for_each_file(td, f, i) { |
1018 | if (td->directory && f->filetype == FIO_TYPE_FILE) { | |
1019 | sprintf(fname, "%s/%s", td->directory, f->file_name); | |
1020 | f->file_name = strdup(fname); | |
53cdc686 | 1021 | } |
53cdc686 JA |
1022 | } |
1023 | ||
07739b57 | 1024 | td->mutex = fio_sem_init(0); |
ebac4655 | 1025 | |
756867bd JA |
1026 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
1027 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
1028 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 1029 | |
3c5df6fa JA |
1030 | if ((td->stonewall || td->numjobs > 1) && prev_group_jobs) { |
1031 | prev_group_jobs = 0; | |
ebac4655 | 1032 | groupid++; |
3c5df6fa | 1033 | } |
ebac4655 JA |
1034 | |
1035 | td->groupid = groupid; | |
3c5df6fa | 1036 | prev_group_jobs++; |
ebac4655 | 1037 | |
9c60ce64 JA |
1038 | if (init_random_state(td)) |
1039 | goto err; | |
1040 | ||
ebac4655 JA |
1041 | if (setup_rate(td)) |
1042 | goto err; | |
1043 | ||
ec94ec56 | 1044 | if (td->write_lat_log) { |
756867bd JA |
1045 | setup_log(&td->ts.slat_log); |
1046 | setup_log(&td->ts.clat_log); | |
ebac4655 | 1047 | } |
ec94ec56 | 1048 | if (td->write_bw_log) |
756867bd | 1049 | setup_log(&td->ts.bw_log); |
ebac4655 | 1050 | |
b4692828 JA |
1051 | if (!td->name) |
1052 | td->name = strdup(jobname); | |
01452055 | 1053 | |
c6ae0a5b | 1054 | if (!terse_output) { |
b990b5c0 | 1055 | if (!job_add_num) { |
ba0fbe10 | 1056 | if (!strcmp(td->io_ops->name, "cpuio")) |
6d86144d | 1057 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
1058 | else { |
1059 | char *c1, *c2, *c3, *c4; | |
1060 | ||
1061 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
1062 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
1063 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
1064 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
1065 | ||
6d86144d | 1066 | log_info("%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 |
1067 | |
1068 | free(c1); | |
1069 | free(c2); | |
1070 | free(c3); | |
1071 | free(c4); | |
1072 | } | |
b990b5c0 | 1073 | } else if (job_add_num == 1) |
6d86144d | 1074 | log_info("...\n"); |
c6ae0a5b | 1075 | } |
ebac4655 JA |
1076 | |
1077 | /* | |
1078 | * recurse add identical jobs, clear numjobs and stonewall options | |
1079 | * as they don't apply to sub-jobs | |
1080 | */ | |
1081 | numjobs = td->numjobs; | |
1082 | while (--numjobs) { | |
1083 | struct thread_data *td_new = get_new_job(0, td); | |
1084 | ||
1085 | if (!td_new) | |
1086 | goto err; | |
1087 | ||
1088 | td_new->numjobs = 1; | |
1089 | td_new->stonewall = 0; | |
e132cbae JA |
1090 | |
1091 | if (file_alloced) { | |
1092 | td_new->filename = NULL; | |
1093 | td_new->files_index = 0; | |
1094 | td_new->files = NULL; | |
1095 | } | |
1096 | ||
75154845 | 1097 | job_add_num = numjobs - 1; |
ebac4655 | 1098 | |
75154845 | 1099 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
1100 | goto err; |
1101 | } | |
3c5df6fa JA |
1102 | |
1103 | if (td->numjobs > 1) { | |
1104 | groupid++; | |
1105 | prev_group_jobs = 0; | |
1106 | } | |
1107 | ||
ebac4655 JA |
1108 | return 0; |
1109 | err: | |
1110 | put_job(td); | |
1111 | return -1; | |
1112 | } | |
1113 | ||
ebac4655 JA |
1114 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) |
1115 | { | |
1116 | #ifdef FIO_HAVE_CPU_AFFINITY | |
1117 | unsigned int i; | |
1118 | ||
1119 | CPU_ZERO(&cpumask); | |
1120 | ||
1121 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1122 | if ((1 << i) & cpu) | |
1123 | CPU_SET(i, &cpumask); | |
1124 | } | |
1125 | #endif | |
1126 | } | |
1127 | ||
ebac4655 JA |
1128 | static int is_empty_or_comment(char *line) |
1129 | { | |
1130 | unsigned int i; | |
1131 | ||
1132 | for (i = 0; i < strlen(line); i++) { | |
1133 | if (line[i] == ';') | |
1134 | return 1; | |
5cc2da30 IM |
1135 | if (line[i] == '#') |
1136 | return 1; | |
ebac4655 JA |
1137 | if (!isspace(line[i]) && !iscntrl(line[i])) |
1138 | return 0; | |
1139 | } | |
1140 | ||
1141 | return 1; | |
1142 | } | |
1143 | ||
313cb206 JA |
1144 | /* |
1145 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
1146 | */ | |
1907dbc6 | 1147 | static char *get_opt_postfix(const char *str) |
313cb206 JA |
1148 | { |
1149 | char *p = strstr(str, ":"); | |
1150 | ||
1151 | if (!p) | |
1152 | return NULL; | |
1153 | ||
1154 | p++; | |
1155 | strip_blank_front(&p); | |
1156 | strip_blank_end(p); | |
1157 | return strdup(p); | |
1158 | } | |
1159 | ||
b4692828 | 1160 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 1161 | { |
cb2c86fd JA |
1162 | struct thread_data *td = data; |
1163 | ||
b1ec1da6 | 1164 | if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) { |
1907dbc6 | 1165 | td->mmapfile = get_opt_postfix(mem); |
b1ec1da6 | 1166 | if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) { |
d0bdaf49 JA |
1167 | log_err("fio: mmaphuge:/path/to/file\n"); |
1168 | return 1; | |
1169 | } | |
ebac4655 JA |
1170 | } |
1171 | ||
b1ec1da6 | 1172 | return 0; |
ebac4655 JA |
1173 | } |
1174 | ||
e1f36503 JA |
1175 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
1176 | { | |
1177 | mlock_size = *val; | |
1178 | return 0; | |
1179 | } | |
1180 | ||
34cfcdaf | 1181 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1182 | static int str_prioclass_cb(void *data, unsigned int *val) |
1183 | { | |
1184 | struct thread_data *td = data; | |
1185 | ||
1186 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1187 | return 0; | |
1188 | } | |
1189 | ||
1190 | static int str_prio_cb(void *data, unsigned int *val) | |
1191 | { | |
1192 | struct thread_data *td = data; | |
1193 | ||
1194 | td->ioprio |= *val; | |
1195 | return 0; | |
1196 | } | |
34cfcdaf | 1197 | #endif |
e1f36503 JA |
1198 | |
1199 | static int str_exitall_cb(void) | |
1200 | { | |
1201 | exitall_on_terminate = 1; | |
1202 | return 0; | |
1203 | } | |
1204 | ||
1205 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1206 | { | |
1207 | struct thread_data *td = data; | |
1208 | ||
1209 | fill_cpu_mask(td->cpumask, *val); | |
1210 | return 0; | |
1211 | } | |
1212 | ||
1907dbc6 JA |
1213 | static int str_fst_cb(void *data, const char *str) |
1214 | { | |
1215 | struct thread_data *td = data; | |
1216 | char *nr = get_opt_postfix(str); | |
1217 | ||
1218 | td->file_service_nr = 1; | |
1219 | if (nr) | |
1220 | td->file_service_nr = atoi(nr); | |
1221 | ||
1222 | return 0; | |
1223 | } | |
1224 | ||
af52b345 JA |
1225 | static int str_filename_cb(void *data, const char *input) |
1226 | { | |
1227 | struct thread_data *td = data; | |
cae61953 | 1228 | char *fname, *str, *p; |
af52b345 | 1229 | |
cae61953 | 1230 | p = str = strdup(input); |
e13363eb JA |
1231 | |
1232 | strip_blank_front(&str); | |
1233 | strip_blank_end(str); | |
1234 | ||
bbf6b540 JA |
1235 | if (!td->files_index) |
1236 | td->nr_files = 0; | |
1237 | ||
0ad920e7 | 1238 | while ((fname = strsep(&str, ":")) != NULL) { |
e13363eb JA |
1239 | if (!strlen(fname)) |
1240 | break; | |
af52b345 | 1241 | add_file(td, fname); |
bbf6b540 | 1242 | td->nr_files++; |
0ad920e7 | 1243 | } |
af52b345 | 1244 | |
cae61953 | 1245 | free(p); |
af52b345 JA |
1246 | return 0; |
1247 | } | |
1248 | ||
1249 | static int str_directory_cb(void *data, const char fio_unused *str) | |
1250 | { | |
1251 | struct thread_data *td = data; | |
1252 | struct stat sb; | |
1253 | ||
1254 | if (lstat(td->directory, &sb) < 0) { | |
1255 | log_err("fio: %s is not a directory\n", td->directory); | |
1256 | td_verror(td, errno, "lstat"); | |
1257 | return 1; | |
1258 | } | |
1259 | if (!S_ISDIR(sb.st_mode)) { | |
1260 | log_err("fio: %s is not a directory\n", td->directory); | |
1261 | return 1; | |
1262 | } | |
1263 | ||
1264 | return 0; | |
1265 | } | |
1266 | ||
bbf6b540 JA |
1267 | static int str_opendir_cb(void *data, const char fio_unused *str) |
1268 | { | |
1269 | struct thread_data *td = data; | |
1270 | ||
1271 | if (!td->files_index) | |
1272 | td->nr_files = 0; | |
1273 | ||
1274 | return add_dir_files(td, td->opendir); | |
1275 | } | |
1276 | ||
07261983 JA |
1277 | /* |
1278 | * This is our [ini] type file parser. | |
1279 | */ | |
1e97cce9 | 1280 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1281 | { |
e1f36503 | 1282 | unsigned int global; |
ebac4655 | 1283 | struct thread_data *td; |
fee3bb48 | 1284 | char *string, *name; |
ebac4655 JA |
1285 | fpos_t off; |
1286 | FILE *f; | |
1287 | char *p; | |
0c7e37a0 | 1288 | int ret = 0, stonewall; |
ebac4655 JA |
1289 | |
1290 | f = fopen(file, "r"); | |
1291 | if (!f) { | |
aea47d44 | 1292 | perror("fopen job file"); |
ebac4655 JA |
1293 | return 1; |
1294 | } | |
1295 | ||
1296 | string = malloc(4096); | |
1297 | name = malloc(256); | |
fee3bb48 | 1298 | memset(name, 0, 256); |
ebac4655 | 1299 | |
0c7e37a0 | 1300 | stonewall = stonewall_flag; |
7c124ac1 JA |
1301 | do { |
1302 | p = fgets(string, 4095, f); | |
1303 | if (!p) | |
45410acb | 1304 | break; |
ebac4655 JA |
1305 | if (is_empty_or_comment(p)) |
1306 | continue; | |
fee3bb48 | 1307 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1308 | continue; |
1309 | ||
1310 | global = !strncmp(name, "global", 6); | |
1311 | ||
1312 | name[strlen(name) - 1] = '\0'; | |
1313 | ||
1314 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1315 | if (!td) { |
1316 | ret = 1; | |
1317 | break; | |
1318 | } | |
ebac4655 | 1319 | |
972cfd25 JA |
1320 | /* |
1321 | * Seperate multiple job files by a stonewall | |
1322 | */ | |
f9481919 | 1323 | if (!global && stonewall) { |
972cfd25 JA |
1324 | td->stonewall = stonewall; |
1325 | stonewall = 0; | |
1326 | } | |
1327 | ||
ebac4655 JA |
1328 | fgetpos(f, &off); |
1329 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1330 | if (is_empty_or_comment(p)) | |
1331 | continue; | |
e1f36503 | 1332 | |
b6754f9d | 1333 | strip_blank_front(&p); |
7c124ac1 JA |
1334 | |
1335 | if (p[0] == '[') | |
1336 | break; | |
1337 | ||
4ae3f763 | 1338 | strip_blank_end(p); |
aea47d44 | 1339 | |
e1f36503 | 1340 | fgetpos(f, &off); |
ebac4655 | 1341 | |
45410acb JA |
1342 | /* |
1343 | * Don't break here, continue parsing options so we | |
1344 | * dump all the bad ones. Makes trial/error fixups | |
1345 | * easier on the user. | |
1346 | */ | |
7c124ac1 | 1347 | ret |= parse_option(p, options, td); |
ebac4655 | 1348 | } |
ebac4655 | 1349 | |
45410acb JA |
1350 | if (!ret) { |
1351 | fsetpos(f, &off); | |
1352 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1353 | } else { |
1354 | log_err("fio: job %s dropped\n", name); | |
1355 | put_job(td); | |
45410acb | 1356 | } |
7c124ac1 | 1357 | } while (!ret); |
ebac4655 JA |
1358 | |
1359 | free(string); | |
1360 | free(name); | |
1361 | fclose(f); | |
45410acb | 1362 | return ret; |
ebac4655 JA |
1363 | } |
1364 | ||
1365 | static int fill_def_thread(void) | |
1366 | { | |
1367 | memset(&def_thread, 0, sizeof(def_thread)); | |
1368 | ||
1369 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1370 | perror("sched_getaffinity"); | |
1371 | return 1; | |
1372 | } | |
1373 | ||
1374 | /* | |
ee738499 | 1375 | * fill default options |
ebac4655 | 1376 | */ |
ee738499 JA |
1377 | fill_default_options(&def_thread, options); |
1378 | ||
972cfd25 | 1379 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1380 | def_thread.write_bw_log = write_bw_log; |
1381 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1382 | |
ebac4655 JA |
1383 | #ifdef FIO_HAVE_DISK_UTIL |
1384 | def_thread.do_disk_util = 1; | |
1385 | #endif | |
1386 | ||
1387 | return 0; | |
1388 | } | |
1389 | ||
0ab8db89 | 1390 | static void usage(void) |
4785f995 JA |
1391 | { |
1392 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1393 | printf("\t--output\tWrite output to file\n"); |
1394 | printf("\t--timeout\tRuntime in seconds\n"); | |
1395 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1396 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1397 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1398 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1399 | printf("\t--help\t\tPrint this page\n"); |
1400 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1401 | } |
1402 | ||
972cfd25 | 1403 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1404 | { |
b4692828 | 1405 | struct thread_data *td = NULL; |
b1ec1da6 | 1406 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 1407 | |
0be06ea2 | 1408 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1409 | switch (c) { |
b4692828 JA |
1410 | case 't': |
1411 | def_timeout = atoi(optarg); | |
1412 | break; | |
1413 | case 'l': | |
1414 | write_lat_log = 1; | |
1415 | break; | |
1416 | case 'w': | |
1417 | write_bw_log = 1; | |
1418 | break; | |
1419 | case 'o': | |
1420 | f_out = fopen(optarg, "w+"); | |
1421 | if (!f_out) { | |
1422 | perror("fopen output"); | |
1423 | exit(1); | |
1424 | } | |
1425 | f_err = f_out; | |
1426 | break; | |
1427 | case 'm': | |
1428 | terse_output = 1; | |
1429 | break; | |
1430 | case 'h': | |
1431 | usage(); | |
1432 | exit(0); | |
fd28ca49 | 1433 | case 'c': |
29fc6afe JA |
1434 | ret = show_cmd_help(options, optarg); |
1435 | exit(ret); | |
b4692828 JA |
1436 | case 'v': |
1437 | printf("%s\n", fio_version_string); | |
1438 | exit(0); | |
1439 | case FIO_GETOPT_JOB: { | |
1440 | const char *opt = long_options[lidx].name; | |
1441 | char *val = optarg; | |
1442 | ||
c2b1e753 JA |
1443 | if (!strncmp(opt, "name", 4) && td) { |
1444 | ret = add_job(td, td->name ?: "fio", 0); | |
1445 | if (ret) { | |
1446 | put_job(td); | |
1447 | return 0; | |
1448 | } | |
1449 | td = NULL; | |
1450 | } | |
b4692828 | 1451 | if (!td) { |
38d0adb0 | 1452 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1453 | |
1454 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1455 | if (!td) |
1456 | return 0; | |
1457 | } | |
38d0adb0 | 1458 | |
b1508cf9 | 1459 | ret = parse_cmd_option(opt, val, options, td); |
78217dfa | 1460 | if (ret) |
b1ec1da6 | 1461 | dont_add_job = 1; |
b4692828 JA |
1462 | break; |
1463 | } | |
1464 | default: | |
b4692828 | 1465 | break; |
ebac4655 JA |
1466 | } |
1467 | } | |
c9fad893 | 1468 | |
b4692828 | 1469 | if (td) { |
b1ec1da6 | 1470 | if (dont_add_job) |
b4692828 | 1471 | put_job(td); |
b1ec1da6 JA |
1472 | else { |
1473 | ret = add_job(td, td->name ?: "fio", 0); | |
1474 | if (ret) | |
1475 | put_job(td); | |
1476 | } | |
972cfd25 | 1477 | } |
774a6177 | 1478 | |
b4692828 JA |
1479 | while (optind < argc) { |
1480 | ini_idx++; | |
1481 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1482 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1483 | optind++; | |
eb8bbf48 | 1484 | } |
972cfd25 JA |
1485 | |
1486 | return ini_idx; | |
ebac4655 JA |
1487 | } |
1488 | ||
1489 | static void free_shm(void) | |
1490 | { | |
1491 | struct shmid_ds sbuf; | |
1492 | ||
1493 | if (threads) { | |
2c0ecd28 | 1494 | shmdt((void *) threads); |
ebac4655 JA |
1495 | threads = NULL; |
1496 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1497 | } | |
1498 | } | |
1499 | ||
906c8d75 JA |
1500 | /* |
1501 | * The thread area is shared between the main process and the job | |
1502 | * threads/processes. So setup a shared memory segment that will hold | |
1503 | * all the job info. | |
1504 | */ | |
ebac4655 JA |
1505 | static int setup_thread_area(void) |
1506 | { | |
1507 | /* | |
1508 | * 1024 is too much on some machines, scale max_jobs if | |
1509 | * we get a failure that looks like too large a shm segment | |
1510 | */ | |
1511 | do { | |
906c8d75 | 1512 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1513 | |
906c8d75 | 1514 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1515 | if (shm_id != -1) |
1516 | break; | |
1517 | if (errno != EINVAL) { | |
1518 | perror("shmget"); | |
1519 | break; | |
1520 | } | |
1521 | ||
1522 | max_jobs >>= 1; | |
1523 | } while (max_jobs); | |
1524 | ||
1525 | if (shm_id == -1) | |
1526 | return 1; | |
1527 | ||
1528 | threads = shmat(shm_id, NULL, 0); | |
1529 | if (threads == (void *) -1) { | |
1530 | perror("shmat"); | |
1531 | return 1; | |
1532 | } | |
1533 | ||
1534 | atexit(free_shm); | |
1535 | return 0; | |
1536 | } | |
1537 | ||
b4692828 JA |
1538 | /* |
1539 | * Copy the fio options into the long options map, so we mirror | |
1540 | * job and cmd line options. | |
1541 | */ | |
1542 | static void dupe_job_options(void) | |
1543 | { | |
1544 | struct fio_option *o; | |
1545 | unsigned int i; | |
1546 | ||
1547 | i = 0; | |
1548 | while (long_options[i].name) | |
1549 | i++; | |
1550 | ||
1551 | o = &options[0]; | |
1552 | while (o->name) { | |
1553 | long_options[i].name = o->name; | |
1554 | long_options[i].val = FIO_GETOPT_JOB; | |
1555 | if (o->type == FIO_OPT_STR_SET) | |
1556 | long_options[i].has_arg = no_argument; | |
1557 | else | |
1558 | long_options[i].has_arg = required_argument; | |
1559 | ||
1560 | i++; | |
1561 | o++; | |
1562 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1563 | } | |
1564 | } | |
1565 | ||
ebac4655 JA |
1566 | int parse_options(int argc, char *argv[]) |
1567 | { | |
972cfd25 JA |
1568 | int job_files, i; |
1569 | ||
b4692828 JA |
1570 | f_out = stdout; |
1571 | f_err = stderr; | |
1572 | ||
13335ddb JA |
1573 | options_init(options); |
1574 | ||
b4692828 JA |
1575 | dupe_job_options(); |
1576 | ||
ebac4655 JA |
1577 | if (setup_thread_area()) |
1578 | return 1; | |
1579 | if (fill_def_thread()) | |
1580 | return 1; | |
1581 | ||
972cfd25 | 1582 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1583 | |
972cfd25 JA |
1584 | for (i = 0; i < job_files; i++) { |
1585 | if (fill_def_thread()) | |
1586 | return 1; | |
0c7e37a0 | 1587 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1588 | return 1; |
88c6ed80 | 1589 | free(ini_file[i]); |
972cfd25 | 1590 | } |
ebac4655 | 1591 | |
88c6ed80 | 1592 | free(ini_file); |
b4692828 JA |
1593 | |
1594 | if (!thread_number) { | |
1595 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1596 | return 1; |
1597 | } | |
1598 | ||
ebac4655 JA |
1599 | return 0; |
1600 | } |