Commit | Line | Data |
---|---|---|
906c8d75 | 1 | /* |
cb2c86fd | 2 | * This file contains job initialization and setup functions. |
906c8d75 | 3 | */ |
ebac4655 JA |
4 | #include <stdio.h> |
5 | #include <stdlib.h> | |
6 | #include <unistd.h> | |
7 | #include <fcntl.h> | |
8 | #include <ctype.h> | |
9 | #include <string.h> | |
10 | #include <errno.h> | |
b4692828 JA |
11 | #include <getopt.h> |
12 | #include <assert.h> | |
ebac4655 JA |
13 | #include <sys/ipc.h> |
14 | #include <sys/shm.h> | |
15 | #include <sys/types.h> | |
16 | #include <sys/stat.h> | |
17 | ||
18 | #include "fio.h" | |
cb2c86fd | 19 | #include "parse.h" |
ebac4655 | 20 | |
ee738499 | 21 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 22 | |
e1f36503 JA |
23 | #define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) |
24 | ||
b4692828 JA |
25 | static int str_ioengine_cb(void *, const char *); |
26 | static int str_mem_cb(void *, const char *); | |
e1f36503 | 27 | static int str_lockmem_cb(void *, unsigned long *); |
34cfcdaf | 28 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
29 | static int str_prio_cb(void *, unsigned int *); |
30 | static int str_prioclass_cb(void *, unsigned int *); | |
34cfcdaf | 31 | #endif |
e1f36503 JA |
32 | static int str_exitall_cb(void); |
33 | static int str_cpumask_cb(void *, unsigned int *); | |
34 | ||
ee738499 JA |
35 | #define __stringify_1(x) #x |
36 | #define __stringify(x) __stringify_1(x) | |
37 | ||
e1f36503 JA |
38 | /* |
39 | * Map of job/command line options | |
40 | */ | |
41 | static struct fio_option options[] = { | |
61697c37 JA |
42 | { |
43 | .name = "description", | |
44 | .type = FIO_OPT_STR_STORE, | |
45 | .off1 = td_var_offset(description), | |
46 | .help = "Text job description", | |
47 | }, | |
e1f36503 JA |
48 | { |
49 | .name = "name", | |
50 | .type = FIO_OPT_STR_STORE, | |
51 | .off1 = td_var_offset(name), | |
fd28ca49 | 52 | .help = "Name of this job", |
e1f36503 JA |
53 | }, |
54 | { | |
55 | .name = "directory", | |
56 | .type = FIO_OPT_STR_STORE, | |
57 | .off1 = td_var_offset(directory), | |
fd28ca49 | 58 | .help = "Directory to store files in", |
e1f36503 JA |
59 | }, |
60 | { | |
61 | .name = "filename", | |
62 | .type = FIO_OPT_STR_STORE, | |
63 | .off1 = td_var_offset(filename), | |
fd28ca49 | 64 | .help = "Force the use of a specific file", |
e1f36503 JA |
65 | }, |
66 | { | |
67 | .name = "rw", | |
68 | .type = FIO_OPT_STR, | |
b1ec1da6 | 69 | .off1 = td_var_offset(td_ddir), |
15f7918f | 70 | .help = "IO direction", |
ee738499 | 71 | .def = "read", |
b1ec1da6 JA |
72 | .posval = { |
73 | { .ival = "read", .oval = TD_DDIR_READ }, | |
74 | { .ival = "write", .oval = TD_DDIR_WRITE }, | |
75 | { .ival = "randread", .oval = TD_DDIR_RANDREAD }, | |
76 | { .ival = "randwrite", .oval = TD_DDIR_RANDWRITE }, | |
77 | { .ival = "rw", .oval = TD_DDIR_RW }, | |
78 | { .ival = "randrw", .oval = TD_DDIR_RANDRW }, | |
79 | }, | |
e1f36503 JA |
80 | }, |
81 | { | |
82 | .name = "ioengine", | |
83 | .type = FIO_OPT_STR, | |
84 | .cb = str_ioengine_cb, | |
15f7918f | 85 | .help = "IO engine to use", |
ee738499 | 86 | .def = "sync", |
b1ec1da6 | 87 | .posval = { |
10cad1aa JA |
88 | { .ival = "sync", }, |
89 | #ifdef FIO_HAVE_LIBAIO | |
90 | { .ival = "libaio", }, | |
91 | #endif | |
92 | #ifdef FIO_HAVE_POSIXAIO | |
93 | { .ival = "posixaio", }, | |
94 | #endif | |
95 | { .ival = "mmap", }, | |
96 | #ifdef FIO_HAVE_SPLICE | |
97 | { .ival = "splice", }, | |
98 | #endif | |
99 | #ifdef FIO_HAVE_SGIO | |
100 | { .ival = "sg", }, | |
101 | #endif | |
b1ec1da6 | 102 | { .ival = "null", }, { .ival = "net", }, |
10cad1aa | 103 | #ifdef FIO_HAVE_SYSLET |
b1ec1da6 | 104 | { .ival = "syslet-rw", }, |
10cad1aa | 105 | #endif |
b1ec1da6 | 106 | }, |
e1f36503 | 107 | }, |
03b74b3e JA |
108 | { |
109 | .name = "iodepth", | |
110 | .type = FIO_OPT_INT, | |
111 | .off1 = td_var_offset(iodepth), | |
112 | .help = "Amount of IO buffers to keep in flight", | |
113 | .def = "1", | |
114 | }, | |
cb5ab512 JA |
115 | { |
116 | .name = "iodepth_batch", | |
117 | .type = FIO_OPT_INT, | |
118 | .off1 = td_var_offset(iodepth_batch), | |
119 | .help = "Number of IO to submit in one go", | |
120 | }, | |
e916b390 JA |
121 | { |
122 | .name = "iodepth_low", | |
123 | .type = FIO_OPT_INT, | |
124 | .off1 = td_var_offset(iodepth_low), | |
125 | .help = "Low water mark for queuing depth", | |
126 | }, | |
03b74b3e JA |
127 | { |
128 | .name = "size", | |
129 | .type = FIO_OPT_STR_VAL, | |
130 | .off1 = td_var_offset(total_file_size), | |
131 | .help = "Size of device or file", | |
132 | }, | |
133 | { | |
134 | .name = "bs", | |
135 | .type = FIO_OPT_STR_VAL_INT, | |
136 | .off1 = td_var_offset(bs[DDIR_READ]), | |
137 | .off2 = td_var_offset(bs[DDIR_WRITE]), | |
138 | .help = "Block size unit", | |
139 | .def = "4k", | |
140 | }, | |
141 | { | |
142 | .name = "bsrange", | |
143 | .type = FIO_OPT_RANGE, | |
144 | .off1 = td_var_offset(min_bs[DDIR_READ]), | |
145 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
146 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), | |
147 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
148 | .help = "Set block size range (in more detail than bs)", | |
149 | }, | |
150 | { | |
151 | .name = "bs_unaligned", | |
152 | .type = FIO_OPT_STR_SET, | |
153 | .off1 = td_var_offset(bs_unaligned), | |
154 | .help = "Don't sector align IO buffer sizes", | |
155 | }, | |
156 | { | |
157 | .name = "offset", | |
158 | .type = FIO_OPT_STR_VAL, | |
159 | .off1 = td_var_offset(start_offset), | |
160 | .help = "Start IO from this offset", | |
161 | .def = "0", | |
162 | }, | |
163 | { | |
164 | .name = "randrepeat", | |
165 | .type = FIO_OPT_BOOL, | |
166 | .off1 = td_var_offset(rand_repeatable), | |
167 | .help = "Use repeatable random IO pattern", | |
168 | .def = "1", | |
169 | }, | |
170 | { | |
171 | .name = "norandommap", | |
172 | .type = FIO_OPT_STR_SET, | |
173 | .off1 = td_var_offset(norandommap), | |
174 | .help = "Accept potential duplicate random blocks", | |
175 | }, | |
176 | { | |
177 | .name = "nrfiles", | |
178 | .type = FIO_OPT_INT, | |
179 | .off1 = td_var_offset(nr_files), | |
180 | .help = "Split job workload between this number of files", | |
181 | .def = "1", | |
182 | }, | |
0aabe160 JA |
183 | { |
184 | .name = "file_service_type", | |
185 | .type = FIO_OPT_STR, | |
b1ec1da6 | 186 | .off1 = td_var_offset(file_service_type), |
0aabe160 JA |
187 | .help = "How to select which file to service next", |
188 | .def = "roundrobin", | |
b1ec1da6 JA |
189 | .posval = { |
190 | { .ival = "random", .oval = FIO_FSERVICE_RANDOM }, | |
191 | { .ival = "roundrobin", .oval = FIO_FSERVICE_RR }, | |
192 | }, | |
0aabe160 | 193 | }, |
03b74b3e JA |
194 | { |
195 | .name = "fsync", | |
196 | .type = FIO_OPT_INT, | |
197 | .off1 = td_var_offset(fsync_blocks), | |
198 | .help = "Issue fsync for writes every given number of blocks", | |
199 | .def = "0", | |
200 | }, | |
201 | { | |
202 | .name = "direct", | |
203 | .type = FIO_OPT_BOOL, | |
204 | .off1 = td_var_offset(odirect), | |
76a43db4 JA |
205 | .help = "Use O_DIRECT IO (negates buffered)", |
206 | .def = "0", | |
207 | }, | |
208 | { | |
209 | .name = "buffered", | |
210 | .type = FIO_OPT_BOOL, | |
211 | .off1 = td_var_offset(odirect), | |
212 | .neg = 1, | |
213 | .help = "Use buffered IO (negates direct)", | |
03b74b3e JA |
214 | .def = "1", |
215 | }, | |
216 | { | |
217 | .name = "overwrite", | |
218 | .type = FIO_OPT_BOOL, | |
219 | .off1 = td_var_offset(overwrite), | |
220 | .help = "When writing, set whether to overwrite current data", | |
221 | .def = "0", | |
222 | }, | |
223 | { | |
224 | .name = "loops", | |
225 | .type = FIO_OPT_INT, | |
226 | .off1 = td_var_offset(loops), | |
227 | .help = "Number of times to run the job", | |
228 | .def = "1", | |
229 | }, | |
230 | { | |
231 | .name = "numjobs", | |
232 | .type = FIO_OPT_INT, | |
233 | .off1 = td_var_offset(numjobs), | |
234 | .help = "Duplicate this job this many times", | |
235 | .def = "1", | |
236 | }, | |
237 | { | |
238 | .name = "startdelay", | |
239 | .type = FIO_OPT_INT, | |
240 | .off1 = td_var_offset(start_delay), | |
241 | .help = "Only start job when this period has passed", | |
242 | .def = "0", | |
243 | }, | |
244 | { | |
245 | .name = "runtime", | |
246 | .alias = "timeout", | |
247 | .type = FIO_OPT_STR_VAL_TIME, | |
248 | .off1 = td_var_offset(timeout), | |
249 | .help = "Stop workload when this amount of time has passed", | |
250 | .def = "0", | |
251 | }, | |
e1f36503 JA |
252 | { |
253 | .name = "mem", | |
254 | .type = FIO_OPT_STR, | |
255 | .cb = str_mem_cb, | |
b1ec1da6 | 256 | .off1 = td_var_offset(mem_type), |
15f7918f | 257 | .help = "Backing type for IO buffers", |
ee738499 | 258 | .def = "malloc", |
b1ec1da6 JA |
259 | .posval = { |
260 | { .ival = "malloc", .oval = MEM_MALLOC }, | |
261 | { .ival = "shm", .oval = MEM_SHM }, | |
262 | #ifdef FIO_HAVE_HUGETLB | |
263 | { .ival = "shmhuge", .oval = MEM_SHMHUGE }, | |
264 | #endif | |
265 | { .ival = "mmap", .oval = MEM_MMAP }, | |
266 | #ifdef FIO_HAVE_HUGETLB | |
267 | { .ival = "mmaphuge", .oval = MEM_MMAPHUGE }, | |
268 | #endif | |
269 | }, | |
e1f36503 JA |
270 | }, |
271 | { | |
272 | .name = "verify", | |
273 | .type = FIO_OPT_STR, | |
b1ec1da6 | 274 | .off1 = td_var_offset(verify), |
15f7918f | 275 | .help = "Verify sum function", |
ee738499 | 276 | .def = "0", |
b1ec1da6 JA |
277 | .posval = { |
278 | { .ival = "0", .oval = VERIFY_NONE }, | |
279 | { .ival = "crc32", .oval = VERIFY_CRC32 }, | |
280 | { .ival = "md5", .oval = VERIFY_MD5 }, | |
281 | }, | |
e1f36503 JA |
282 | }, |
283 | { | |
284 | .name = "write_iolog", | |
076efc7c JA |
285 | .type = FIO_OPT_STR_STORE, |
286 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 287 | .help = "Store IO pattern to file", |
e1f36503 JA |
288 | }, |
289 | { | |
076efc7c | 290 | .name = "read_iolog", |
e1f36503 | 291 | .type = FIO_OPT_STR_STORE, |
076efc7c | 292 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 293 | .help = "Playback IO pattern from file", |
e1f36503 JA |
294 | }, |
295 | { | |
296 | .name = "exec_prerun", | |
297 | .type = FIO_OPT_STR_STORE, | |
298 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 299 | .help = "Execute this file prior to running job", |
e1f36503 JA |
300 | }, |
301 | { | |
302 | .name = "exec_postrun", | |
303 | .type = FIO_OPT_STR_STORE, | |
304 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 305 | .help = "Execute this file after running job", |
e1f36503 JA |
306 | }, |
307 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
308 | { | |
309 | .name = "ioscheduler", | |
310 | .type = FIO_OPT_STR_STORE, | |
311 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 312 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
313 | }, |
314 | #endif | |
e1f36503 JA |
315 | { |
316 | .name = "zonesize", | |
317 | .type = FIO_OPT_STR_VAL, | |
318 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 319 | .help = "Give size of an IO zone", |
ee738499 | 320 | .def = "0", |
e1f36503 JA |
321 | }, |
322 | { | |
323 | .name = "zoneskip", | |
324 | .type = FIO_OPT_STR_VAL, | |
325 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 326 | .help = "Space between IO zones", |
ee738499 | 327 | .def = "0", |
e1f36503 JA |
328 | }, |
329 | { | |
330 | .name = "lockmem", | |
331 | .type = FIO_OPT_STR_VAL, | |
332 | .cb = str_lockmem_cb, | |
fd28ca49 | 333 | .help = "Lock down this amount of memory", |
ee738499 | 334 | .def = "0", |
e1f36503 | 335 | }, |
e1f36503 JA |
336 | { |
337 | .name = "rwmixcycle", | |
338 | .type = FIO_OPT_INT, | |
339 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
340 | .help = "Cycle period for mixed read/write workloads (msec)", |
341 | .def = "500", | |
e1f36503 JA |
342 | }, |
343 | { | |
344 | .name = "rwmixread", | |
345 | .type = FIO_OPT_INT, | |
346 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 347 | .maxval = 100, |
fd28ca49 | 348 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 349 | .def = "50", |
e1f36503 JA |
350 | }, |
351 | { | |
352 | .name = "rwmixwrite", | |
353 | .type = FIO_OPT_INT, | |
354 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 355 | .maxval = 100, |
fd28ca49 | 356 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 357 | .def = "50", |
e1f36503 JA |
358 | }, |
359 | { | |
360 | .name = "nice", | |
361 | .type = FIO_OPT_INT, | |
362 | .off1 = td_var_offset(nice), | |
fd28ca49 | 363 | .help = "Set job CPU nice value", |
15f7918f | 364 | .minval = -19, |
ee738499 JA |
365 | .maxval = 20, |
366 | .def = "0", | |
e1f36503 JA |
367 | }, |
368 | #ifdef FIO_HAVE_IOPRIO | |
369 | { | |
370 | .name = "prio", | |
371 | .type = FIO_OPT_INT, | |
372 | .cb = str_prio_cb, | |
fd28ca49 | 373 | .help = "Set job IO priority value", |
15f7918f JA |
374 | .minval = 0, |
375 | .maxval = 7, | |
e1f36503 JA |
376 | }, |
377 | { | |
378 | .name = "prioclass", | |
379 | .type = FIO_OPT_INT, | |
380 | .cb = str_prioclass_cb, | |
fd28ca49 | 381 | .help = "Set job IO priority class", |
15f7918f JA |
382 | .minval = 0, |
383 | .maxval = 3, | |
e1f36503 JA |
384 | }, |
385 | #endif | |
386 | { | |
387 | .name = "thinktime", | |
388 | .type = FIO_OPT_INT, | |
1304923a | 389 | .off1 = td_var_offset(thinktime), |
5fa0f817 | 390 | .help = "Idle time between IO buffers (usec)", |
ee738499 | 391 | .def = "0", |
e1f36503 | 392 | }, |
48097d5c JA |
393 | { |
394 | .name = "thinktime_spin", | |
395 | .type = FIO_OPT_INT, | |
396 | .off1 = td_var_offset(thinktime_spin), | |
397 | .help = "Start thinktime by spinning this amount (usec)", | |
398 | .def = "0", | |
399 | }, | |
9c1f7434 JA |
400 | { |
401 | .name = "thinktime_blocks", | |
402 | .type = FIO_OPT_INT, | |
1304923a | 403 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 404 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 405 | .def = "1", |
9c1f7434 | 406 | }, |
e1f36503 JA |
407 | { |
408 | .name = "rate", | |
409 | .type = FIO_OPT_INT, | |
1304923a | 410 | .off1 = td_var_offset(rate), |
fd28ca49 | 411 | .help = "Set bandwidth rate", |
e1f36503 JA |
412 | }, |
413 | { | |
414 | .name = "ratemin", | |
415 | .type = FIO_OPT_INT, | |
1304923a | 416 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 417 | .help = "The bottom limit accepted", |
e1f36503 JA |
418 | }, |
419 | { | |
420 | .name = "ratecycle", | |
421 | .type = FIO_OPT_INT, | |
1304923a | 422 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 423 | .help = "Window average for rate limits (msec)", |
ee738499 | 424 | .def = "1000", |
e1f36503 | 425 | }, |
e1f36503 JA |
426 | { |
427 | .name = "invalidate", | |
13335ddb | 428 | .type = FIO_OPT_BOOL, |
1304923a | 429 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 430 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 431 | .def = "1", |
e1f36503 JA |
432 | }, |
433 | { | |
434 | .name = "sync", | |
13335ddb | 435 | .type = FIO_OPT_BOOL, |
1304923a | 436 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 437 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 438 | .def = "0", |
e1f36503 JA |
439 | }, |
440 | { | |
441 | .name = "bwavgtime", | |
442 | .type = FIO_OPT_INT, | |
1304923a | 443 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
444 | .help = "Time window over which to calculate bandwidth (msec)", |
445 | .def = "500", | |
e1f36503 JA |
446 | }, |
447 | { | |
448 | .name = "create_serialize", | |
13335ddb | 449 | .type = FIO_OPT_BOOL, |
1304923a | 450 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 451 | .help = "Serialize creating of job files", |
ee738499 | 452 | .def = "1", |
e1f36503 JA |
453 | }, |
454 | { | |
455 | .name = "create_fsync", | |
13335ddb | 456 | .type = FIO_OPT_BOOL, |
1304923a | 457 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 458 | .help = "Fsync file after creation", |
ee738499 | 459 | .def = "1", |
e1f36503 | 460 | }, |
e1f36503 JA |
461 | { |
462 | .name = "cpuload", | |
463 | .type = FIO_OPT_INT, | |
1304923a | 464 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 465 | .help = "Use this percentage of CPU", |
e1f36503 JA |
466 | }, |
467 | { | |
468 | .name = "cpuchunks", | |
469 | .type = FIO_OPT_INT, | |
1304923a | 470 | .off1 = td_var_offset(cpucycle), |
fd28ca49 | 471 | .help = "Length of the CPU burn cycles", |
e1f36503 | 472 | }, |
e1f36503 JA |
473 | #ifdef FIO_HAVE_CPU_AFFINITY |
474 | { | |
475 | .name = "cpumask", | |
476 | .type = FIO_OPT_INT, | |
477 | .cb = str_cpumask_cb, | |
fd28ca49 | 478 | .help = "CPU affinity mask", |
e1f36503 JA |
479 | }, |
480 | #endif | |
481 | { | |
482 | .name = "end_fsync", | |
13335ddb | 483 | .type = FIO_OPT_BOOL, |
1304923a | 484 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 485 | .help = "Include fsync at the end of job", |
ee738499 | 486 | .def = "0", |
e1f36503 JA |
487 | }, |
488 | { | |
489 | .name = "unlink", | |
13335ddb | 490 | .type = FIO_OPT_BOOL, |
e1f36503 | 491 | .off1 = td_var_offset(unlink), |
ee738499 | 492 | .help = "Unlink created files after job has completed", |
e545a6ce | 493 | .def = "0", |
e1f36503 JA |
494 | }, |
495 | { | |
496 | .name = "exitall", | |
497 | .type = FIO_OPT_STR_SET, | |
498 | .cb = str_exitall_cb, | |
fd28ca49 | 499 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
500 | }, |
501 | { | |
502 | .name = "stonewall", | |
503 | .type = FIO_OPT_STR_SET, | |
504 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 505 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
506 | }, |
507 | { | |
508 | .name = "thread", | |
509 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 510 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 511 | .help = "Use threads instead of forks", |
e1f36503 JA |
512 | }, |
513 | { | |
514 | .name = "write_bw_log", | |
515 | .type = FIO_OPT_STR_SET, | |
516 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 517 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
518 | }, |
519 | { | |
520 | .name = "write_lat_log", | |
521 | .type = FIO_OPT_STR_SET, | |
522 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 523 | .help = "Write log of latency during run", |
e1f36503 | 524 | }, |
56bb17f2 JA |
525 | { |
526 | .name = "hugepage-size", | |
527 | .type = FIO_OPT_STR_VAL, | |
528 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 529 | .help = "When using hugepages, specify size of each page", |
ee738499 | 530 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 531 | }, |
e1f36503 JA |
532 | { |
533 | .name = NULL, | |
534 | }, | |
535 | }; | |
536 | ||
b4692828 JA |
537 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
538 | #define FIO_CMD_OPTS (16) | |
539 | #define FIO_GETOPT_JOB (0x89988998) | |
540 | ||
541 | /* | |
542 | * Command line options. These will contain the above, plus a few | |
543 | * extra that only pertain to fio itself and not jobs. | |
544 | */ | |
545 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
546 | { | |
547 | .name = "output", | |
548 | .has_arg = required_argument, | |
549 | .val = 'o', | |
550 | }, | |
551 | { | |
552 | .name = "timeout", | |
553 | .has_arg = required_argument, | |
554 | .val = 't', | |
555 | }, | |
556 | { | |
557 | .name = "latency-log", | |
558 | .has_arg = required_argument, | |
559 | .val = 'l', | |
560 | }, | |
561 | { | |
562 | .name = "bandwidth-log", | |
563 | .has_arg = required_argument, | |
564 | .val = 'b', | |
565 | }, | |
566 | { | |
567 | .name = "minimal", | |
568 | .has_arg = optional_argument, | |
569 | .val = 'm', | |
570 | }, | |
571 | { | |
572 | .name = "version", | |
573 | .has_arg = no_argument, | |
574 | .val = 'v', | |
575 | }, | |
fd28ca49 JA |
576 | { |
577 | .name = "help", | |
578 | .has_arg = no_argument, | |
579 | .val = 'h', | |
580 | }, | |
581 | { | |
582 | .name = "cmdhelp", | |
583 | .has_arg = required_argument, | |
584 | .val = 'c', | |
585 | }, | |
b4692828 JA |
586 | { |
587 | .name = NULL, | |
588 | }, | |
589 | }; | |
590 | ||
ee738499 | 591 | static int def_timeout = 0; |
972cfd25 | 592 | |
e77fe33a | 593 | static char fio_version_string[] = "fio 1.12"; |
ebac4655 | 594 | |
972cfd25 | 595 | static char **ini_file; |
ebac4655 JA |
596 | static int max_jobs = MAX_JOBS; |
597 | ||
598 | struct thread_data def_thread; | |
599 | struct thread_data *threads = NULL; | |
600 | ||
ebac4655 | 601 | int exitall_on_terminate = 0; |
c6ae0a5b | 602 | int terse_output = 0; |
c04f7ec3 | 603 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
604 | FILE *f_out = NULL; |
605 | FILE *f_err = NULL; | |
ebac4655 | 606 | |
ee738499 | 607 | static int write_lat_log = 0; |
bb3884d8 | 608 | int write_bw_log = 0; |
ec94ec56 | 609 | |
906c8d75 JA |
610 | /* |
611 | * Return a free job structure. | |
612 | */ | |
ebac4655 JA |
613 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
614 | { | |
615 | struct thread_data *td; | |
616 | ||
617 | if (global) | |
618 | return &def_thread; | |
619 | if (thread_number >= max_jobs) | |
620 | return NULL; | |
621 | ||
622 | td = &threads[thread_number++]; | |
ddaeaa5a | 623 | *td = *parent; |
ebac4655 | 624 | |
ebac4655 | 625 | td->thread_number = thread_number; |
ebac4655 JA |
626 | return td; |
627 | } | |
628 | ||
629 | static void put_job(struct thread_data *td) | |
630 | { | |
549577a7 JA |
631 | if (td == &def_thread) |
632 | return; | |
633 | ||
16edf25d JA |
634 | if (td->error) |
635 | fprintf(f_out, "fio: %s\n", td->verror); | |
636 | ||
ebac4655 JA |
637 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
638 | thread_number--; | |
639 | } | |
640 | ||
dad915e3 JA |
641 | /* |
642 | * Lazy way of fixing up options that depend on each other. We could also | |
643 | * define option callback handlers, but this is easier. | |
644 | */ | |
e1f36503 JA |
645 | static void fixup_options(struct thread_data *td) |
646 | { | |
e1f36503 JA |
647 | if (!td->rwmixread && td->rwmixwrite) |
648 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 649 | |
076efc7c JA |
650 | if (td->write_iolog_file && td->read_iolog_file) { |
651 | log_err("fio: read iolog overrides write_iolog\n"); | |
652 | free(td->write_iolog_file); | |
653 | td->write_iolog_file = NULL; | |
654 | } | |
16b462ae JA |
655 | |
656 | if (td->io_ops->flags & FIO_SYNCIO) | |
657 | td->iodepth = 1; | |
658 | else { | |
659 | if (!td->iodepth) | |
660 | td->iodepth = td->nr_files; | |
661 | } | |
662 | ||
663 | /* | |
664 | * only really works for sequential io for now, and with 1 file | |
665 | */ | |
413dd459 | 666 | if (td->zone_size && td_random(td) && td->nr_files == 1) |
16b462ae JA |
667 | td->zone_size = 0; |
668 | ||
669 | /* | |
670 | * Reads can do overwrites, we always need to pre-create the file | |
671 | */ | |
672 | if (td_read(td) || td_rw(td)) | |
673 | td->overwrite = 1; | |
674 | ||
a00735e6 JA |
675 | if (!td->min_bs[DDIR_READ]) |
676 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
677 | if (!td->max_bs[DDIR_READ]) | |
678 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
679 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 680 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 681 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 682 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
683 | |
684 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
685 | ||
16b462ae JA |
686 | if (td_read(td) && !td_rw(td)) |
687 | td->verify = 0; | |
bb8895e0 JA |
688 | |
689 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
690 | log_err("fio: norandommap given, verify disabled\n"); | |
691 | td->verify = VERIFY_NONE; | |
692 | } | |
690adba3 JA |
693 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
694 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
695 | |
696 | /* | |
697 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
698 | */ | |
699 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
700 | td->odirect = 0; | |
48097d5c JA |
701 | |
702 | /* | |
703 | * thinktime_spin must be less than thinktime | |
704 | */ | |
705 | if (td->thinktime_spin > td->thinktime) | |
706 | td->thinktime_spin = td->thinktime; | |
e916b390 JA |
707 | |
708 | /* | |
709 | * The low water mark cannot be bigger than the iodepth | |
710 | */ | |
9467b77c JA |
711 | if (td->iodepth_low > td->iodepth || !td->iodepth_low) { |
712 | /* | |
713 | * syslet work around - if the workload is sequential, | |
714 | * we want to let the queue drain all the way down to | |
715 | * avoid seeking between async threads | |
716 | */ | |
717 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
718 | td->iodepth_low = 1; | |
719 | else | |
720 | td->iodepth_low = td->iodepth; | |
721 | } | |
cb5ab512 JA |
722 | |
723 | /* | |
724 | * If batch number isn't set, default to the same as iodepth | |
725 | */ | |
726 | if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) | |
727 | td->iodepth_batch = td->iodepth; | |
e1f36503 JA |
728 | } |
729 | ||
f8977ee6 JA |
730 | /* |
731 | * This function leaks the buffer | |
732 | */ | |
733 | static char *to_kmg(unsigned int val) | |
734 | { | |
735 | char *buf = malloc(32); | |
f3502ba2 | 736 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
737 | char *p = post; |
738 | ||
245142ff | 739 | do { |
f8977ee6 JA |
740 | if (val & 1023) |
741 | break; | |
742 | ||
743 | val >>= 10; | |
744 | p++; | |
245142ff | 745 | } while (*p); |
f8977ee6 JA |
746 | |
747 | snprintf(buf, 31, "%u%c", val, *p); | |
748 | return buf; | |
749 | } | |
750 | ||
906c8d75 JA |
751 | /* |
752 | * Adds a job to the list of things todo. Sanitizes the various options | |
753 | * to make sure we don't have conflicts, and initializes various | |
754 | * members of td. | |
755 | */ | |
75154845 | 756 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 757 | { |
413dd459 JA |
758 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
759 | "randread", "randwrite", "randrw" }; | |
ebac4655 | 760 | struct stat sb; |
413dd459 | 761 | int numjobs, i; |
53cdc686 | 762 | struct fio_file *f; |
ebac4655 | 763 | |
ebac4655 JA |
764 | /* |
765 | * the def_thread is just for options, it's not a real job | |
766 | */ | |
767 | if (td == &def_thread) | |
768 | return 0; | |
769 | ||
ee738499 | 770 | assert(td->io_ops); |
df64119d | 771 | |
690adba3 JA |
772 | if (td->odirect) |
773 | td->io_ops->flags |= FIO_RAWIO; | |
774 | ||
ebac4655 | 775 | td->filetype = FIO_TYPE_FILE; |
890df538 | 776 | if (td->filename && !lstat(td->filename, &sb)) { |
0af7b542 JA |
777 | if (S_ISBLK(sb.st_mode)) |
778 | td->filetype = FIO_TYPE_BD; | |
779 | else if (S_ISCHR(sb.st_mode)) | |
780 | td->filetype = FIO_TYPE_CHAR; | |
781 | } | |
ebac4655 | 782 | |
e0a22335 JA |
783 | fixup_options(td); |
784 | ||
13f8e2d2 JA |
785 | if (td->filename) |
786 | td->nr_uniq_files = 1; | |
787 | else | |
788 | td->nr_uniq_files = td->nr_files; | |
789 | ||
790 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 791 | char tmp[PATH_MAX]; |
53cdc686 | 792 | int len = 0; |
e9c047a0 | 793 | |
16edf25d JA |
794 | if (td->directory && td->directory[0] != '\0') { |
795 | if (lstat(td->directory, &sb) < 0) { | |
796 | log_err("fio: %s is not a directory\n", td->directory); | |
e1161c32 | 797 | td_verror(td, errno, "lstat"); |
16edf25d JA |
798 | return 1; |
799 | } | |
800 | if (!S_ISDIR(sb.st_mode)) { | |
801 | log_err("fio: %s is not a directory\n", td->directory); | |
802 | return 1; | |
803 | } | |
8aeebd55 | 804 | len = sprintf(tmp, "%s/", td->directory); |
16edf25d | 805 | } |
ebac4655 | 806 | |
53cdc686 JA |
807 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
808 | ||
809 | for_each_file(td, f, i) { | |
810 | memset(f, 0, sizeof(*f)); | |
811 | f->fd = -1; | |
812 | ||
13f8e2d2 JA |
813 | if (td->filename) |
814 | sprintf(tmp + len, "%s", td->filename); | |
815 | else | |
816 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
817 | f->file_name = strdup(tmp); |
818 | } | |
819 | } else { | |
820 | td->nr_files = 1; | |
821 | td->files = malloc(sizeof(struct fio_file)); | |
822 | f = &td->files[0]; | |
823 | ||
824 | memset(f, 0, sizeof(*f)); | |
825 | f->fd = -1; | |
826 | f->file_name = strdup(jobname); | |
827 | } | |
828 | ||
829 | for_each_file(td, f, i) { | |
830 | f->file_size = td->total_file_size / td->nr_files; | |
831 | f->file_offset = td->start_offset; | |
832 | } | |
833 | ||
bbfd6b00 | 834 | fio_sem_init(&td->mutex, 0); |
ebac4655 | 835 | |
079ad09b JA |
836 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
837 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
838 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 839 | |
ebac4655 JA |
840 | if (td->stonewall && td->thread_number > 1) |
841 | groupid++; | |
842 | ||
843 | td->groupid = groupid; | |
844 | ||
845 | if (setup_rate(td)) | |
846 | goto err; | |
847 | ||
ec94ec56 | 848 | if (td->write_lat_log) { |
079ad09b JA |
849 | setup_log(&td->ts.slat_log); |
850 | setup_log(&td->ts.clat_log); | |
ebac4655 | 851 | } |
ec94ec56 | 852 | if (td->write_bw_log) |
079ad09b | 853 | setup_log(&td->ts.bw_log); |
ebac4655 | 854 | |
b4692828 JA |
855 | if (!td->name) |
856 | td->name = strdup(jobname); | |
01452055 | 857 | |
c6ae0a5b | 858 | if (!terse_output) { |
b990b5c0 | 859 | if (!job_add_num) { |
2866c82d | 860 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 | 861 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
862 | else { |
863 | char *c1, *c2, *c3, *c4; | |
864 | ||
865 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
866 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
867 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
868 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
869 | ||
413dd459 | 870 | 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 |
871 | |
872 | free(c1); | |
873 | free(c2); | |
874 | free(c3); | |
875 | free(c4); | |
876 | } | |
b990b5c0 | 877 | } else if (job_add_num == 1) |
c6ae0a5b JA |
878 | fprintf(f_out, "...\n"); |
879 | } | |
ebac4655 JA |
880 | |
881 | /* | |
882 | * recurse add identical jobs, clear numjobs and stonewall options | |
883 | * as they don't apply to sub-jobs | |
884 | */ | |
885 | numjobs = td->numjobs; | |
886 | while (--numjobs) { | |
887 | struct thread_data *td_new = get_new_job(0, td); | |
888 | ||
889 | if (!td_new) | |
890 | goto err; | |
891 | ||
892 | td_new->numjobs = 1; | |
893 | td_new->stonewall = 0; | |
75154845 | 894 | job_add_num = numjobs - 1; |
ebac4655 | 895 | |
75154845 | 896 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
897 | goto err; |
898 | } | |
899 | return 0; | |
900 | err: | |
901 | put_job(td); | |
902 | return -1; | |
903 | } | |
904 | ||
906c8d75 JA |
905 | /* |
906 | * Initialize the various random states we need (random io, block size ranges, | |
907 | * read/write mix, etc). | |
908 | */ | |
ebac4655 JA |
909 | int init_random_state(struct thread_data *td) |
910 | { | |
0aabe160 | 911 | unsigned long seeds[5]; |
53cdc686 | 912 | int fd, num_maps, blocks, i; |
0ab8db89 | 913 | struct fio_file *f; |
ebac4655 | 914 | |
f48b467c JA |
915 | if (td->io_ops->flags & FIO_CPUIO) |
916 | return 0; | |
917 | ||
1ac267bb | 918 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 | 919 | if (fd == -1) { |
e1161c32 | 920 | td_verror(td, errno, "open"); |
ebac4655 JA |
921 | return 1; |
922 | } | |
923 | ||
a6ccc7be | 924 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
e1161c32 | 925 | td_verror(td, EIO, "read"); |
ebac4655 JA |
926 | close(fd); |
927 | return 1; | |
928 | } | |
929 | ||
930 | close(fd); | |
931 | ||
6dfd46b9 JA |
932 | os_random_seed(seeds[0], &td->bsrange_state); |
933 | os_random_seed(seeds[1], &td->verify_state); | |
934 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 | 935 | |
413dd459 JA |
936 | if (td->file_service_type == FIO_FSERVICE_RANDOM) |
937 | os_random_seed(seeds[3], &td->next_file_state); | |
938 | ||
939 | if (!td_random(td)) | |
ebac4655 JA |
940 | return 0; |
941 | ||
9ebc27e1 | 942 | if (td->rand_repeatable) |
0aabe160 | 943 | seeds[4] = FIO_RANDSEED * td->thread_number; |
ebac4655 | 944 | |
bb8895e0 JA |
945 | if (!td->norandommap) { |
946 | for_each_file(td, f, i) { | |
a4a81712 | 947 | blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 948 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
949 | f->file_map = malloc(num_maps * sizeof(long)); |
950 | f->num_maps = num_maps; | |
951 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
952 | } | |
53cdc686 | 953 | } |
ebac4655 | 954 | |
0aabe160 | 955 | os_random_seed(seeds[4], &td->random_state); |
ebac4655 JA |
956 | return 0; |
957 | } | |
958 | ||
959 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
960 | { | |
961 | #ifdef FIO_HAVE_CPU_AFFINITY | |
962 | unsigned int i; | |
963 | ||
964 | CPU_ZERO(&cpumask); | |
965 | ||
966 | for (i = 0; i < sizeof(int) * 8; i++) { | |
967 | if ((1 << i) & cpu) | |
968 | CPU_SET(i, &cpumask); | |
969 | } | |
970 | #endif | |
971 | } | |
972 | ||
ebac4655 JA |
973 | static int is_empty_or_comment(char *line) |
974 | { | |
975 | unsigned int i; | |
976 | ||
977 | for (i = 0; i < strlen(line); i++) { | |
978 | if (line[i] == ';') | |
979 | return 1; | |
5cc2da30 IM |
980 | if (line[i] == '#') |
981 | return 1; | |
ebac4655 JA |
982 | if (!isspace(line[i]) && !iscntrl(line[i])) |
983 | return 0; | |
984 | } | |
985 | ||
986 | return 1; | |
987 | } | |
988 | ||
313cb206 JA |
989 | /* |
990 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
991 | */ | |
992 | static char *get_mmap_file(const char *str) | |
993 | { | |
994 | char *p = strstr(str, ":"); | |
995 | ||
996 | if (!p) | |
997 | return NULL; | |
998 | ||
999 | p++; | |
1000 | strip_blank_front(&p); | |
1001 | strip_blank_end(p); | |
1002 | return strdup(p); | |
1003 | } | |
1004 | ||
b4692828 | 1005 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 1006 | { |
cb2c86fd JA |
1007 | struct thread_data *td = data; |
1008 | ||
b1ec1da6 | 1009 | if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) { |
313cb206 | 1010 | td->mmapfile = get_mmap_file(mem); |
b1ec1da6 | 1011 | if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) { |
d0bdaf49 JA |
1012 | log_err("fio: mmaphuge:/path/to/file\n"); |
1013 | return 1; | |
1014 | } | |
ebac4655 JA |
1015 | } |
1016 | ||
b1ec1da6 | 1017 | return 0; |
ebac4655 JA |
1018 | } |
1019 | ||
b4692828 | 1020 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 1021 | { |
cb2c86fd JA |
1022 | struct thread_data *td = data; |
1023 | ||
2866c82d JA |
1024 | td->io_ops = load_ioengine(td, str); |
1025 | if (td->io_ops) | |
b990b5c0 | 1026 | return 0; |
ebac4655 | 1027 | |
ebac4655 JA |
1028 | return 1; |
1029 | } | |
1030 | ||
e1f36503 JA |
1031 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
1032 | { | |
1033 | mlock_size = *val; | |
1034 | return 0; | |
1035 | } | |
1036 | ||
34cfcdaf | 1037 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1038 | static int str_prioclass_cb(void *data, unsigned int *val) |
1039 | { | |
1040 | struct thread_data *td = data; | |
1041 | ||
1042 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1043 | return 0; | |
1044 | } | |
1045 | ||
1046 | static int str_prio_cb(void *data, unsigned int *val) | |
1047 | { | |
1048 | struct thread_data *td = data; | |
1049 | ||
1050 | td->ioprio |= *val; | |
1051 | return 0; | |
1052 | } | |
34cfcdaf | 1053 | #endif |
e1f36503 JA |
1054 | |
1055 | static int str_exitall_cb(void) | |
1056 | { | |
1057 | exitall_on_terminate = 1; | |
1058 | return 0; | |
1059 | } | |
1060 | ||
1061 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1062 | { | |
1063 | struct thread_data *td = data; | |
1064 | ||
1065 | fill_cpu_mask(td->cpumask, *val); | |
1066 | return 0; | |
1067 | } | |
1068 | ||
07261983 JA |
1069 | /* |
1070 | * This is our [ini] type file parser. | |
1071 | */ | |
1e97cce9 | 1072 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1073 | { |
e1f36503 | 1074 | unsigned int global; |
ebac4655 | 1075 | struct thread_data *td; |
fee3bb48 | 1076 | char *string, *name; |
ebac4655 JA |
1077 | fpos_t off; |
1078 | FILE *f; | |
1079 | char *p; | |
0c7e37a0 | 1080 | int ret = 0, stonewall; |
ebac4655 JA |
1081 | |
1082 | f = fopen(file, "r"); | |
1083 | if (!f) { | |
aea47d44 | 1084 | perror("fopen job file"); |
ebac4655 JA |
1085 | return 1; |
1086 | } | |
1087 | ||
1088 | string = malloc(4096); | |
1089 | name = malloc(256); | |
fee3bb48 | 1090 | memset(name, 0, 256); |
ebac4655 | 1091 | |
0c7e37a0 | 1092 | stonewall = stonewall_flag; |
7c124ac1 JA |
1093 | do { |
1094 | p = fgets(string, 4095, f); | |
1095 | if (!p) | |
45410acb | 1096 | break; |
ebac4655 JA |
1097 | if (is_empty_or_comment(p)) |
1098 | continue; | |
fee3bb48 | 1099 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1100 | continue; |
1101 | ||
1102 | global = !strncmp(name, "global", 6); | |
1103 | ||
1104 | name[strlen(name) - 1] = '\0'; | |
1105 | ||
1106 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1107 | if (!td) { |
1108 | ret = 1; | |
1109 | break; | |
1110 | } | |
ebac4655 | 1111 | |
972cfd25 JA |
1112 | /* |
1113 | * Seperate multiple job files by a stonewall | |
1114 | */ | |
f9481919 | 1115 | if (!global && stonewall) { |
972cfd25 JA |
1116 | td->stonewall = stonewall; |
1117 | stonewall = 0; | |
1118 | } | |
1119 | ||
ebac4655 JA |
1120 | fgetpos(f, &off); |
1121 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1122 | if (is_empty_or_comment(p)) | |
1123 | continue; | |
e1f36503 | 1124 | |
b6754f9d | 1125 | strip_blank_front(&p); |
7c124ac1 JA |
1126 | |
1127 | if (p[0] == '[') | |
1128 | break; | |
1129 | ||
4ae3f763 | 1130 | strip_blank_end(p); |
aea47d44 | 1131 | |
e1f36503 | 1132 | fgetpos(f, &off); |
ebac4655 | 1133 | |
45410acb JA |
1134 | /* |
1135 | * Don't break here, continue parsing options so we | |
1136 | * dump all the bad ones. Makes trial/error fixups | |
1137 | * easier on the user. | |
1138 | */ | |
7c124ac1 | 1139 | ret |= parse_option(p, options, td); |
ebac4655 | 1140 | } |
ebac4655 | 1141 | |
45410acb JA |
1142 | if (!ret) { |
1143 | fsetpos(f, &off); | |
1144 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1145 | } else { |
1146 | log_err("fio: job %s dropped\n", name); | |
1147 | put_job(td); | |
45410acb | 1148 | } |
7c124ac1 | 1149 | } while (!ret); |
ebac4655 JA |
1150 | |
1151 | free(string); | |
1152 | free(name); | |
1153 | fclose(f); | |
45410acb | 1154 | return ret; |
ebac4655 JA |
1155 | } |
1156 | ||
1157 | static int fill_def_thread(void) | |
1158 | { | |
1159 | memset(&def_thread, 0, sizeof(def_thread)); | |
1160 | ||
1161 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1162 | perror("sched_getaffinity"); | |
1163 | return 1; | |
1164 | } | |
1165 | ||
1166 | /* | |
ee738499 | 1167 | * fill default options |
ebac4655 | 1168 | */ |
ee738499 JA |
1169 | fill_default_options(&def_thread, options); |
1170 | ||
972cfd25 | 1171 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1172 | def_thread.write_bw_log = write_bw_log; |
1173 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1174 | |
ebac4655 JA |
1175 | #ifdef FIO_HAVE_DISK_UTIL |
1176 | def_thread.do_disk_util = 1; | |
1177 | #endif | |
1178 | ||
1179 | return 0; | |
1180 | } | |
1181 | ||
0ab8db89 | 1182 | static void usage(void) |
4785f995 JA |
1183 | { |
1184 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1185 | printf("\t--output\tWrite output to file\n"); |
1186 | printf("\t--timeout\tRuntime in seconds\n"); | |
1187 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1188 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1189 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1190 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1191 | printf("\t--help\t\tPrint this page\n"); |
1192 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1193 | } |
1194 | ||
972cfd25 | 1195 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1196 | { |
b4692828 | 1197 | struct thread_data *td = NULL; |
b1ec1da6 | 1198 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 1199 | |
b4692828 | 1200 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1201 | switch (c) { |
b4692828 JA |
1202 | case 't': |
1203 | def_timeout = atoi(optarg); | |
1204 | break; | |
1205 | case 'l': | |
1206 | write_lat_log = 1; | |
1207 | break; | |
1208 | case 'w': | |
1209 | write_bw_log = 1; | |
1210 | break; | |
1211 | case 'o': | |
1212 | f_out = fopen(optarg, "w+"); | |
1213 | if (!f_out) { | |
1214 | perror("fopen output"); | |
1215 | exit(1); | |
1216 | } | |
1217 | f_err = f_out; | |
1218 | break; | |
1219 | case 'm': | |
1220 | terse_output = 1; | |
1221 | break; | |
1222 | case 'h': | |
1223 | usage(); | |
1224 | exit(0); | |
fd28ca49 | 1225 | case 'c': |
29fc6afe JA |
1226 | ret = show_cmd_help(options, optarg); |
1227 | exit(ret); | |
b4692828 JA |
1228 | case 'v': |
1229 | printf("%s\n", fio_version_string); | |
1230 | exit(0); | |
1231 | case FIO_GETOPT_JOB: { | |
1232 | const char *opt = long_options[lidx].name; | |
1233 | char *val = optarg; | |
1234 | ||
c2b1e753 JA |
1235 | if (!strncmp(opt, "name", 4) && td) { |
1236 | ret = add_job(td, td->name ?: "fio", 0); | |
1237 | if (ret) { | |
1238 | put_job(td); | |
1239 | return 0; | |
1240 | } | |
1241 | td = NULL; | |
1242 | } | |
b4692828 | 1243 | if (!td) { |
38d0adb0 | 1244 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1245 | |
1246 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1247 | if (!td) |
1248 | return 0; | |
1249 | } | |
38d0adb0 | 1250 | |
b1508cf9 | 1251 | ret = parse_cmd_option(opt, val, options, td); |
78217dfa | 1252 | if (ret) |
b1ec1da6 | 1253 | dont_add_job = 1; |
b4692828 JA |
1254 | break; |
1255 | } | |
1256 | default: | |
b4692828 | 1257 | break; |
ebac4655 JA |
1258 | } |
1259 | } | |
c9fad893 | 1260 | |
b4692828 | 1261 | if (td) { |
b1ec1da6 | 1262 | if (dont_add_job) |
b4692828 | 1263 | put_job(td); |
b1ec1da6 JA |
1264 | else { |
1265 | ret = add_job(td, td->name ?: "fio", 0); | |
1266 | if (ret) | |
1267 | put_job(td); | |
1268 | } | |
972cfd25 | 1269 | } |
774a6177 | 1270 | |
b4692828 JA |
1271 | while (optind < argc) { |
1272 | ini_idx++; | |
1273 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1274 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1275 | optind++; | |
eb8bbf48 | 1276 | } |
972cfd25 JA |
1277 | |
1278 | return ini_idx; | |
ebac4655 JA |
1279 | } |
1280 | ||
1281 | static void free_shm(void) | |
1282 | { | |
1283 | struct shmid_ds sbuf; | |
1284 | ||
1285 | if (threads) { | |
2c0ecd28 | 1286 | shmdt((void *) threads); |
ebac4655 JA |
1287 | threads = NULL; |
1288 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1289 | } | |
1290 | } | |
1291 | ||
906c8d75 JA |
1292 | /* |
1293 | * The thread area is shared between the main process and the job | |
1294 | * threads/processes. So setup a shared memory segment that will hold | |
1295 | * all the job info. | |
1296 | */ | |
ebac4655 JA |
1297 | static int setup_thread_area(void) |
1298 | { | |
1299 | /* | |
1300 | * 1024 is too much on some machines, scale max_jobs if | |
1301 | * we get a failure that looks like too large a shm segment | |
1302 | */ | |
1303 | do { | |
906c8d75 | 1304 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1305 | |
906c8d75 | 1306 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1307 | if (shm_id != -1) |
1308 | break; | |
1309 | if (errno != EINVAL) { | |
1310 | perror("shmget"); | |
1311 | break; | |
1312 | } | |
1313 | ||
1314 | max_jobs >>= 1; | |
1315 | } while (max_jobs); | |
1316 | ||
1317 | if (shm_id == -1) | |
1318 | return 1; | |
1319 | ||
1320 | threads = shmat(shm_id, NULL, 0); | |
1321 | if (threads == (void *) -1) { | |
1322 | perror("shmat"); | |
1323 | return 1; | |
1324 | } | |
1325 | ||
1326 | atexit(free_shm); | |
1327 | return 0; | |
1328 | } | |
1329 | ||
b4692828 JA |
1330 | /* |
1331 | * Copy the fio options into the long options map, so we mirror | |
1332 | * job and cmd line options. | |
1333 | */ | |
1334 | static void dupe_job_options(void) | |
1335 | { | |
1336 | struct fio_option *o; | |
1337 | unsigned int i; | |
1338 | ||
1339 | i = 0; | |
1340 | while (long_options[i].name) | |
1341 | i++; | |
1342 | ||
1343 | o = &options[0]; | |
1344 | while (o->name) { | |
1345 | long_options[i].name = o->name; | |
1346 | long_options[i].val = FIO_GETOPT_JOB; | |
1347 | if (o->type == FIO_OPT_STR_SET) | |
1348 | long_options[i].has_arg = no_argument; | |
1349 | else | |
1350 | long_options[i].has_arg = required_argument; | |
1351 | ||
1352 | i++; | |
1353 | o++; | |
1354 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1355 | } | |
1356 | } | |
1357 | ||
ebac4655 JA |
1358 | int parse_options(int argc, char *argv[]) |
1359 | { | |
972cfd25 JA |
1360 | int job_files, i; |
1361 | ||
b4692828 JA |
1362 | f_out = stdout; |
1363 | f_err = stderr; | |
1364 | ||
13335ddb JA |
1365 | options_init(options); |
1366 | ||
b4692828 JA |
1367 | dupe_job_options(); |
1368 | ||
ebac4655 JA |
1369 | if (setup_thread_area()) |
1370 | return 1; | |
1371 | if (fill_def_thread()) | |
1372 | return 1; | |
1373 | ||
972cfd25 | 1374 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1375 | |
972cfd25 JA |
1376 | for (i = 0; i < job_files; i++) { |
1377 | if (fill_def_thread()) | |
1378 | return 1; | |
0c7e37a0 | 1379 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1380 | return 1; |
88c6ed80 | 1381 | free(ini_file[i]); |
972cfd25 | 1382 | } |
ebac4655 | 1383 | |
88c6ed80 | 1384 | free(ini_file); |
b4692828 JA |
1385 | |
1386 | if (!thread_number) { | |
1387 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1388 | return 1; |
1389 | } | |
1390 | ||
ebac4655 JA |
1391 | return 0; |
1392 | } |