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_rw_cb(void *, const char *); |
26 | static int str_ioengine_cb(void *, const char *); | |
27 | static int str_mem_cb(void *, const char *); | |
28 | static int str_verify_cb(void *, const char *); | |
e1f36503 | 29 | static int str_lockmem_cb(void *, unsigned long *); |
34cfcdaf | 30 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
31 | static int str_prio_cb(void *, unsigned int *); |
32 | static int str_prioclass_cb(void *, unsigned int *); | |
34cfcdaf | 33 | #endif |
e1f36503 JA |
34 | static int str_exitall_cb(void); |
35 | static int str_cpumask_cb(void *, unsigned int *); | |
36 | ||
ee738499 JA |
37 | #define __stringify_1(x) #x |
38 | #define __stringify(x) __stringify_1(x) | |
39 | ||
e1f36503 JA |
40 | /* |
41 | * Map of job/command line options | |
42 | */ | |
43 | static struct fio_option options[] = { | |
61697c37 JA |
44 | { |
45 | .name = "description", | |
46 | .type = FIO_OPT_STR_STORE, | |
47 | .off1 = td_var_offset(description), | |
48 | .help = "Text job description", | |
49 | }, | |
e1f36503 JA |
50 | { |
51 | .name = "name", | |
52 | .type = FIO_OPT_STR_STORE, | |
53 | .off1 = td_var_offset(name), | |
fd28ca49 | 54 | .help = "Name of this job", |
e1f36503 JA |
55 | }, |
56 | { | |
57 | .name = "directory", | |
58 | .type = FIO_OPT_STR_STORE, | |
59 | .off1 = td_var_offset(directory), | |
fd28ca49 | 60 | .help = "Directory to store files in", |
e1f36503 JA |
61 | }, |
62 | { | |
63 | .name = "filename", | |
64 | .type = FIO_OPT_STR_STORE, | |
65 | .off1 = td_var_offset(filename), | |
fd28ca49 | 66 | .help = "Force the use of a specific file", |
e1f36503 JA |
67 | }, |
68 | { | |
69 | .name = "rw", | |
70 | .type = FIO_OPT_STR, | |
71 | .cb = str_rw_cb, | |
15f7918f | 72 | .help = "IO direction", |
ee738499 | 73 | .def = "read", |
15f7918f JA |
74 | .posval = { "read", "write", "randwrite", "randread", "rw", |
75 | "randrw", }, | |
e1f36503 JA |
76 | }, |
77 | { | |
78 | .name = "ioengine", | |
79 | .type = FIO_OPT_STR, | |
80 | .cb = str_ioengine_cb, | |
15f7918f | 81 | .help = "IO engine to use", |
ee738499 | 82 | .def = "sync", |
15f7918f | 83 | .posval = { "sync", "libaio", "posixaio", "mmap", "splice", |
ed92ac0c | 84 | "sg", "null", "net", }, |
e1f36503 | 85 | }, |
03b74b3e JA |
86 | { |
87 | .name = "iodepth", | |
88 | .type = FIO_OPT_INT, | |
89 | .off1 = td_var_offset(iodepth), | |
90 | .help = "Amount of IO buffers to keep in flight", | |
91 | .def = "1", | |
92 | }, | |
93 | { | |
94 | .name = "size", | |
95 | .type = FIO_OPT_STR_VAL, | |
96 | .off1 = td_var_offset(total_file_size), | |
97 | .help = "Size of device or file", | |
98 | }, | |
99 | { | |
100 | .name = "bs", | |
101 | .type = FIO_OPT_STR_VAL_INT, | |
102 | .off1 = td_var_offset(bs[DDIR_READ]), | |
103 | .off2 = td_var_offset(bs[DDIR_WRITE]), | |
104 | .help = "Block size unit", | |
105 | .def = "4k", | |
106 | }, | |
107 | { | |
108 | .name = "bsrange", | |
109 | .type = FIO_OPT_RANGE, | |
110 | .off1 = td_var_offset(min_bs[DDIR_READ]), | |
111 | .off2 = td_var_offset(max_bs[DDIR_READ]), | |
112 | .off3 = td_var_offset(min_bs[DDIR_WRITE]), | |
113 | .off4 = td_var_offset(max_bs[DDIR_WRITE]), | |
114 | .help = "Set block size range (in more detail than bs)", | |
115 | }, | |
116 | { | |
117 | .name = "bs_unaligned", | |
118 | .type = FIO_OPT_STR_SET, | |
119 | .off1 = td_var_offset(bs_unaligned), | |
120 | .help = "Don't sector align IO buffer sizes", | |
121 | }, | |
122 | { | |
123 | .name = "offset", | |
124 | .type = FIO_OPT_STR_VAL, | |
125 | .off1 = td_var_offset(start_offset), | |
126 | .help = "Start IO from this offset", | |
127 | .def = "0", | |
128 | }, | |
129 | { | |
130 | .name = "randrepeat", | |
131 | .type = FIO_OPT_BOOL, | |
132 | .off1 = td_var_offset(rand_repeatable), | |
133 | .help = "Use repeatable random IO pattern", | |
134 | .def = "1", | |
135 | }, | |
136 | { | |
137 | .name = "norandommap", | |
138 | .type = FIO_OPT_STR_SET, | |
139 | .off1 = td_var_offset(norandommap), | |
140 | .help = "Accept potential duplicate random blocks", | |
141 | }, | |
142 | { | |
143 | .name = "nrfiles", | |
144 | .type = FIO_OPT_INT, | |
145 | .off1 = td_var_offset(nr_files), | |
146 | .help = "Split job workload between this number of files", | |
147 | .def = "1", | |
148 | }, | |
149 | { | |
150 | .name = "fsync", | |
151 | .type = FIO_OPT_INT, | |
152 | .off1 = td_var_offset(fsync_blocks), | |
153 | .help = "Issue fsync for writes every given number of blocks", | |
154 | .def = "0", | |
155 | }, | |
156 | { | |
157 | .name = "direct", | |
158 | .type = FIO_OPT_BOOL, | |
159 | .off1 = td_var_offset(odirect), | |
76a43db4 JA |
160 | .help = "Use O_DIRECT IO (negates buffered)", |
161 | .def = "0", | |
162 | }, | |
163 | { | |
164 | .name = "buffered", | |
165 | .type = FIO_OPT_BOOL, | |
166 | .off1 = td_var_offset(odirect), | |
167 | .neg = 1, | |
168 | .help = "Use buffered IO (negates direct)", | |
03b74b3e JA |
169 | .def = "1", |
170 | }, | |
171 | { | |
172 | .name = "overwrite", | |
173 | .type = FIO_OPT_BOOL, | |
174 | .off1 = td_var_offset(overwrite), | |
175 | .help = "When writing, set whether to overwrite current data", | |
176 | .def = "0", | |
177 | }, | |
178 | { | |
179 | .name = "loops", | |
180 | .type = FIO_OPT_INT, | |
181 | .off1 = td_var_offset(loops), | |
182 | .help = "Number of times to run the job", | |
183 | .def = "1", | |
184 | }, | |
185 | { | |
186 | .name = "numjobs", | |
187 | .type = FIO_OPT_INT, | |
188 | .off1 = td_var_offset(numjobs), | |
189 | .help = "Duplicate this job this many times", | |
190 | .def = "1", | |
191 | }, | |
192 | { | |
193 | .name = "startdelay", | |
194 | .type = FIO_OPT_INT, | |
195 | .off1 = td_var_offset(start_delay), | |
196 | .help = "Only start job when this period has passed", | |
197 | .def = "0", | |
198 | }, | |
199 | { | |
200 | .name = "runtime", | |
201 | .alias = "timeout", | |
202 | .type = FIO_OPT_STR_VAL_TIME, | |
203 | .off1 = td_var_offset(timeout), | |
204 | .help = "Stop workload when this amount of time has passed", | |
205 | .def = "0", | |
206 | }, | |
e1f36503 JA |
207 | { |
208 | .name = "mem", | |
209 | .type = FIO_OPT_STR, | |
210 | .cb = str_mem_cb, | |
15f7918f | 211 | .help = "Backing type for IO buffers", |
ee738499 | 212 | .def = "malloc", |
15f7918f | 213 | .posval = { "malloc", "shm", "shmhuge", "mmap", "mmaphuge", }, |
e1f36503 JA |
214 | }, |
215 | { | |
216 | .name = "verify", | |
217 | .type = FIO_OPT_STR, | |
218 | .cb = str_verify_cb, | |
15f7918f | 219 | .help = "Verify sum function", |
ee738499 | 220 | .def = "0", |
15f7918f | 221 | .posval = { "crc32", "md5", }, |
e1f36503 JA |
222 | }, |
223 | { | |
224 | .name = "write_iolog", | |
076efc7c JA |
225 | .type = FIO_OPT_STR_STORE, |
226 | .off1 = td_var_offset(write_iolog_file), | |
fd28ca49 | 227 | .help = "Store IO pattern to file", |
e1f36503 JA |
228 | }, |
229 | { | |
076efc7c | 230 | .name = "read_iolog", |
e1f36503 | 231 | .type = FIO_OPT_STR_STORE, |
076efc7c | 232 | .off1 = td_var_offset(read_iolog_file), |
fd28ca49 | 233 | .help = "Playback IO pattern from file", |
e1f36503 JA |
234 | }, |
235 | { | |
236 | .name = "exec_prerun", | |
237 | .type = FIO_OPT_STR_STORE, | |
238 | .off1 = td_var_offset(exec_prerun), | |
fd28ca49 | 239 | .help = "Execute this file prior to running job", |
e1f36503 JA |
240 | }, |
241 | { | |
242 | .name = "exec_postrun", | |
243 | .type = FIO_OPT_STR_STORE, | |
244 | .off1 = td_var_offset(exec_postrun), | |
fd28ca49 | 245 | .help = "Execute this file after running job", |
e1f36503 JA |
246 | }, |
247 | #ifdef FIO_HAVE_IOSCHED_SWITCH | |
248 | { | |
249 | .name = "ioscheduler", | |
250 | .type = FIO_OPT_STR_STORE, | |
251 | .off1 = td_var_offset(ioscheduler), | |
fd28ca49 | 252 | .help = "Use this IO scheduler on the backing device", |
e1f36503 JA |
253 | }, |
254 | #endif | |
e1f36503 JA |
255 | { |
256 | .name = "zonesize", | |
257 | .type = FIO_OPT_STR_VAL, | |
258 | .off1 = td_var_offset(zone_size), | |
fd28ca49 | 259 | .help = "Give size of an IO zone", |
ee738499 | 260 | .def = "0", |
e1f36503 JA |
261 | }, |
262 | { | |
263 | .name = "zoneskip", | |
264 | .type = FIO_OPT_STR_VAL, | |
265 | .off1 = td_var_offset(zone_skip), | |
fd28ca49 | 266 | .help = "Space between IO zones", |
ee738499 | 267 | .def = "0", |
e1f36503 JA |
268 | }, |
269 | { | |
270 | .name = "lockmem", | |
271 | .type = FIO_OPT_STR_VAL, | |
272 | .cb = str_lockmem_cb, | |
fd28ca49 | 273 | .help = "Lock down this amount of memory", |
ee738499 | 274 | .def = "0", |
e1f36503 | 275 | }, |
e1f36503 JA |
276 | { |
277 | .name = "rwmixcycle", | |
278 | .type = FIO_OPT_INT, | |
279 | .off1 = td_var_offset(rwmixcycle), | |
ee738499 JA |
280 | .help = "Cycle period for mixed read/write workloads (msec)", |
281 | .def = "500", | |
e1f36503 JA |
282 | }, |
283 | { | |
284 | .name = "rwmixread", | |
285 | .type = FIO_OPT_INT, | |
286 | .off1 = td_var_offset(rwmixread), | |
ee738499 | 287 | .maxval = 100, |
fd28ca49 | 288 | .help = "Percentage of mixed workload that is reads", |
ee738499 | 289 | .def = "50", |
e1f36503 JA |
290 | }, |
291 | { | |
292 | .name = "rwmixwrite", | |
293 | .type = FIO_OPT_INT, | |
294 | .off1 = td_var_offset(rwmixwrite), | |
ee738499 | 295 | .maxval = 100, |
fd28ca49 | 296 | .help = "Percentage of mixed workload that is writes", |
ee738499 | 297 | .def = "50", |
e1f36503 JA |
298 | }, |
299 | { | |
300 | .name = "nice", | |
301 | .type = FIO_OPT_INT, | |
302 | .off1 = td_var_offset(nice), | |
fd28ca49 | 303 | .help = "Set job CPU nice value", |
15f7918f | 304 | .minval = -19, |
ee738499 JA |
305 | .maxval = 20, |
306 | .def = "0", | |
e1f36503 JA |
307 | }, |
308 | #ifdef FIO_HAVE_IOPRIO | |
309 | { | |
310 | .name = "prio", | |
311 | .type = FIO_OPT_INT, | |
312 | .cb = str_prio_cb, | |
fd28ca49 | 313 | .help = "Set job IO priority value", |
15f7918f JA |
314 | .minval = 0, |
315 | .maxval = 7, | |
e1f36503 JA |
316 | }, |
317 | { | |
318 | .name = "prioclass", | |
319 | .type = FIO_OPT_INT, | |
320 | .cb = str_prioclass_cb, | |
fd28ca49 | 321 | .help = "Set job IO priority class", |
15f7918f JA |
322 | .minval = 0, |
323 | .maxval = 3, | |
e1f36503 JA |
324 | }, |
325 | #endif | |
326 | { | |
327 | .name = "thinktime", | |
328 | .type = FIO_OPT_INT, | |
1304923a | 329 | .off1 = td_var_offset(thinktime), |
5fa0f817 | 330 | .help = "Idle time between IO buffers (usec)", |
ee738499 | 331 | .def = "0", |
e1f36503 | 332 | }, |
9c1f7434 JA |
333 | { |
334 | .name = "thinktime_blocks", | |
335 | .type = FIO_OPT_INT, | |
1304923a | 336 | .off1 = td_var_offset(thinktime_blocks), |
fd28ca49 | 337 | .help = "IO buffer period between 'thinktime'", |
ee738499 | 338 | .def = "1", |
9c1f7434 | 339 | }, |
e1f36503 JA |
340 | { |
341 | .name = "rate", | |
342 | .type = FIO_OPT_INT, | |
1304923a | 343 | .off1 = td_var_offset(rate), |
fd28ca49 | 344 | .help = "Set bandwidth rate", |
e1f36503 JA |
345 | }, |
346 | { | |
347 | .name = "ratemin", | |
348 | .type = FIO_OPT_INT, | |
1304923a | 349 | .off1 = td_var_offset(ratemin), |
fd28ca49 | 350 | .help = "The bottom limit accepted", |
e1f36503 JA |
351 | }, |
352 | { | |
353 | .name = "ratecycle", | |
354 | .type = FIO_OPT_INT, | |
1304923a | 355 | .off1 = td_var_offset(ratecycle), |
6da1fa7f | 356 | .help = "Window average for rate limits (msec)", |
ee738499 | 357 | .def = "1000", |
e1f36503 | 358 | }, |
e1f36503 JA |
359 | { |
360 | .name = "invalidate", | |
13335ddb | 361 | .type = FIO_OPT_BOOL, |
1304923a | 362 | .off1 = td_var_offset(invalidate_cache), |
fd28ca49 | 363 | .help = "Invalidate buffer/page cache prior to running job", |
ee738499 | 364 | .def = "1", |
e1f36503 JA |
365 | }, |
366 | { | |
367 | .name = "sync", | |
13335ddb | 368 | .type = FIO_OPT_BOOL, |
1304923a | 369 | .off1 = td_var_offset(sync_io), |
fd28ca49 | 370 | .help = "Use O_SYNC for buffered writes", |
ee738499 | 371 | .def = "0", |
e1f36503 JA |
372 | }, |
373 | { | |
374 | .name = "bwavgtime", | |
375 | .type = FIO_OPT_INT, | |
1304923a | 376 | .off1 = td_var_offset(bw_avg_time), |
ee738499 JA |
377 | .help = "Time window over which to calculate bandwidth (msec)", |
378 | .def = "500", | |
e1f36503 JA |
379 | }, |
380 | { | |
381 | .name = "create_serialize", | |
13335ddb | 382 | .type = FIO_OPT_BOOL, |
1304923a | 383 | .off1 = td_var_offset(create_serialize), |
fd28ca49 | 384 | .help = "Serialize creating of job files", |
ee738499 | 385 | .def = "1", |
e1f36503 JA |
386 | }, |
387 | { | |
388 | .name = "create_fsync", | |
13335ddb | 389 | .type = FIO_OPT_BOOL, |
1304923a | 390 | .off1 = td_var_offset(create_fsync), |
fd28ca49 | 391 | .help = "Fsync file after creation", |
ee738499 | 392 | .def = "1", |
e1f36503 | 393 | }, |
e1f36503 JA |
394 | { |
395 | .name = "cpuload", | |
396 | .type = FIO_OPT_INT, | |
1304923a | 397 | .off1 = td_var_offset(cpuload), |
fd28ca49 | 398 | .help = "Use this percentage of CPU", |
e1f36503 JA |
399 | }, |
400 | { | |
401 | .name = "cpuchunks", | |
402 | .type = FIO_OPT_INT, | |
1304923a | 403 | .off1 = td_var_offset(cpucycle), |
fd28ca49 | 404 | .help = "Length of the CPU burn cycles", |
e1f36503 | 405 | }, |
e1f36503 JA |
406 | #ifdef FIO_HAVE_CPU_AFFINITY |
407 | { | |
408 | .name = "cpumask", | |
409 | .type = FIO_OPT_INT, | |
410 | .cb = str_cpumask_cb, | |
fd28ca49 | 411 | .help = "CPU affinity mask", |
e1f36503 JA |
412 | }, |
413 | #endif | |
414 | { | |
415 | .name = "end_fsync", | |
13335ddb | 416 | .type = FIO_OPT_BOOL, |
1304923a | 417 | .off1 = td_var_offset(end_fsync), |
fd28ca49 | 418 | .help = "Include fsync at the end of job", |
ee738499 | 419 | .def = "0", |
e1f36503 JA |
420 | }, |
421 | { | |
422 | .name = "unlink", | |
13335ddb | 423 | .type = FIO_OPT_BOOL, |
e1f36503 | 424 | .off1 = td_var_offset(unlink), |
ee738499 | 425 | .help = "Unlink created files after job has completed", |
e545a6ce | 426 | .def = "0", |
e1f36503 JA |
427 | }, |
428 | { | |
429 | .name = "exitall", | |
430 | .type = FIO_OPT_STR_SET, | |
431 | .cb = str_exitall_cb, | |
fd28ca49 | 432 | .help = "Terminate all jobs when one exits", |
e1f36503 JA |
433 | }, |
434 | { | |
435 | .name = "stonewall", | |
436 | .type = FIO_OPT_STR_SET, | |
437 | .off1 = td_var_offset(stonewall), | |
fd28ca49 | 438 | .help = "Insert a hard barrier between this job and previous", |
e1f36503 JA |
439 | }, |
440 | { | |
441 | .name = "thread", | |
442 | .type = FIO_OPT_STR_SET, | |
d9bb3b80 | 443 | .off1 = td_var_offset(use_thread), |
fd28ca49 | 444 | .help = "Use threads instead of forks", |
e1f36503 JA |
445 | }, |
446 | { | |
447 | .name = "write_bw_log", | |
448 | .type = FIO_OPT_STR_SET, | |
449 | .off1 = td_var_offset(write_bw_log), | |
fd28ca49 | 450 | .help = "Write log of bandwidth during run", |
e1f36503 JA |
451 | }, |
452 | { | |
453 | .name = "write_lat_log", | |
454 | .type = FIO_OPT_STR_SET, | |
455 | .off1 = td_var_offset(write_lat_log), | |
fd28ca49 | 456 | .help = "Write log of latency during run", |
e1f36503 | 457 | }, |
56bb17f2 JA |
458 | { |
459 | .name = "hugepage-size", | |
460 | .type = FIO_OPT_STR_VAL, | |
461 | .off1 = td_var_offset(hugepage_size), | |
fd28ca49 | 462 | .help = "When using hugepages, specify size of each page", |
ee738499 | 463 | .def = __stringify(FIO_HUGE_PAGE), |
56bb17f2 | 464 | }, |
e1f36503 JA |
465 | { |
466 | .name = NULL, | |
467 | }, | |
468 | }; | |
469 | ||
b4692828 JA |
470 | #define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) |
471 | #define FIO_CMD_OPTS (16) | |
472 | #define FIO_GETOPT_JOB (0x89988998) | |
473 | ||
474 | /* | |
475 | * Command line options. These will contain the above, plus a few | |
476 | * extra that only pertain to fio itself and not jobs. | |
477 | */ | |
478 | static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { | |
479 | { | |
480 | .name = "output", | |
481 | .has_arg = required_argument, | |
482 | .val = 'o', | |
483 | }, | |
484 | { | |
485 | .name = "timeout", | |
486 | .has_arg = required_argument, | |
487 | .val = 't', | |
488 | }, | |
489 | { | |
490 | .name = "latency-log", | |
491 | .has_arg = required_argument, | |
492 | .val = 'l', | |
493 | }, | |
494 | { | |
495 | .name = "bandwidth-log", | |
496 | .has_arg = required_argument, | |
497 | .val = 'b', | |
498 | }, | |
499 | { | |
500 | .name = "minimal", | |
501 | .has_arg = optional_argument, | |
502 | .val = 'm', | |
503 | }, | |
504 | { | |
505 | .name = "version", | |
506 | .has_arg = no_argument, | |
507 | .val = 'v', | |
508 | }, | |
fd28ca49 JA |
509 | { |
510 | .name = "help", | |
511 | .has_arg = no_argument, | |
512 | .val = 'h', | |
513 | }, | |
514 | { | |
515 | .name = "cmdhelp", | |
516 | .has_arg = required_argument, | |
517 | .val = 'c', | |
518 | }, | |
b4692828 JA |
519 | { |
520 | .name = NULL, | |
521 | }, | |
522 | }; | |
523 | ||
ee738499 | 524 | static int def_timeout = 0; |
972cfd25 | 525 | |
5cd033bb | 526 | static char fio_version_string[] = "fio 1.11"; |
ebac4655 | 527 | |
972cfd25 | 528 | static char **ini_file; |
ebac4655 JA |
529 | static int max_jobs = MAX_JOBS; |
530 | ||
531 | struct thread_data def_thread; | |
532 | struct thread_data *threads = NULL; | |
533 | ||
ebac4655 | 534 | int exitall_on_terminate = 0; |
c6ae0a5b | 535 | int terse_output = 0; |
c04f7ec3 | 536 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
537 | FILE *f_out = NULL; |
538 | FILE *f_err = NULL; | |
ebac4655 | 539 | |
ee738499 | 540 | static int write_lat_log = 0; |
bb3884d8 | 541 | int write_bw_log = 0; |
ec94ec56 | 542 | |
906c8d75 JA |
543 | /* |
544 | * Return a free job structure. | |
545 | */ | |
ebac4655 JA |
546 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
547 | { | |
548 | struct thread_data *td; | |
549 | ||
550 | if (global) | |
551 | return &def_thread; | |
552 | if (thread_number >= max_jobs) | |
553 | return NULL; | |
554 | ||
555 | td = &threads[thread_number++]; | |
ddaeaa5a | 556 | *td = *parent; |
ebac4655 | 557 | |
ebac4655 | 558 | td->thread_number = thread_number; |
ebac4655 JA |
559 | return td; |
560 | } | |
561 | ||
562 | static void put_job(struct thread_data *td) | |
563 | { | |
549577a7 JA |
564 | if (td == &def_thread) |
565 | return; | |
566 | ||
ebac4655 JA |
567 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
568 | thread_number--; | |
569 | } | |
570 | ||
dad915e3 JA |
571 | /* |
572 | * Lazy way of fixing up options that depend on each other. We could also | |
573 | * define option callback handlers, but this is easier. | |
574 | */ | |
e1f36503 JA |
575 | static void fixup_options(struct thread_data *td) |
576 | { | |
e1f36503 JA |
577 | if (!td->rwmixread && td->rwmixwrite) |
578 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 579 | |
076efc7c JA |
580 | if (td->write_iolog_file && td->read_iolog_file) { |
581 | log_err("fio: read iolog overrides write_iolog\n"); | |
582 | free(td->write_iolog_file); | |
583 | td->write_iolog_file = NULL; | |
584 | } | |
16b462ae JA |
585 | |
586 | if (td->io_ops->flags & FIO_SYNCIO) | |
587 | td->iodepth = 1; | |
588 | else { | |
589 | if (!td->iodepth) | |
590 | td->iodepth = td->nr_files; | |
591 | } | |
592 | ||
593 | /* | |
594 | * only really works for sequential io for now, and with 1 file | |
595 | */ | |
596 | if (td->zone_size && !td->sequential && td->nr_files == 1) | |
597 | td->zone_size = 0; | |
598 | ||
599 | /* | |
600 | * Reads can do overwrites, we always need to pre-create the file | |
601 | */ | |
602 | if (td_read(td) || td_rw(td)) | |
603 | td->overwrite = 1; | |
604 | ||
a00735e6 JA |
605 | if (!td->min_bs[DDIR_READ]) |
606 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
607 | if (!td->max_bs[DDIR_READ]) | |
608 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
609 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 610 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 611 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 612 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
613 | |
614 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
615 | ||
16b462ae JA |
616 | if (td_read(td) && !td_rw(td)) |
617 | td->verify = 0; | |
bb8895e0 JA |
618 | |
619 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
620 | log_err("fio: norandommap given, verify disabled\n"); | |
621 | td->verify = VERIFY_NONE; | |
622 | } | |
690adba3 JA |
623 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
624 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 JA |
625 | |
626 | /* | |
627 | * O_DIRECT and char doesn't mix, clear that flag if necessary. | |
628 | */ | |
629 | if (td->filetype == FIO_TYPE_CHAR && td->odirect) | |
630 | td->odirect = 0; | |
e1f36503 JA |
631 | } |
632 | ||
f8977ee6 JA |
633 | /* |
634 | * This function leaks the buffer | |
635 | */ | |
636 | static char *to_kmg(unsigned int val) | |
637 | { | |
638 | char *buf = malloc(32); | |
245142ff | 639 | char post[] = { 0, 'K', 'M', 'G', 'P', 0 }; |
f8977ee6 JA |
640 | char *p = post; |
641 | ||
245142ff | 642 | do { |
f8977ee6 JA |
643 | if (val & 1023) |
644 | break; | |
645 | ||
646 | val >>= 10; | |
647 | p++; | |
245142ff | 648 | } while (*p); |
f8977ee6 JA |
649 | |
650 | snprintf(buf, 31, "%u%c", val, *p); | |
651 | return buf; | |
652 | } | |
653 | ||
906c8d75 JA |
654 | /* |
655 | * Adds a job to the list of things todo. Sanitizes the various options | |
656 | * to make sure we don't have conflicts, and initializes various | |
657 | * members of td. | |
658 | */ | |
75154845 | 659 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 660 | { |
3c9b60c1 JA |
661 | const char *ddir_str[] = { "read", "write", "randread", "randwrite", |
662 | "rw", NULL, "randrw" }; | |
ebac4655 | 663 | struct stat sb; |
53cdc686 JA |
664 | int numjobs, ddir, i; |
665 | struct fio_file *f; | |
ebac4655 | 666 | |
ebac4655 JA |
667 | /* |
668 | * the def_thread is just for options, it's not a real job | |
669 | */ | |
670 | if (td == &def_thread) | |
671 | return 0; | |
672 | ||
ee738499 | 673 | assert(td->io_ops); |
df64119d | 674 | |
690adba3 JA |
675 | if (td->odirect) |
676 | td->io_ops->flags |= FIO_RAWIO; | |
677 | ||
ebac4655 | 678 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
679 | if (!stat(jobname, &sb)) { |
680 | if (S_ISBLK(sb.st_mode)) | |
681 | td->filetype = FIO_TYPE_BD; | |
682 | else if (S_ISCHR(sb.st_mode)) | |
683 | td->filetype = FIO_TYPE_CHAR; | |
684 | } | |
ebac4655 | 685 | |
e0a22335 JA |
686 | fixup_options(td); |
687 | ||
13f8e2d2 JA |
688 | if (td->filename) |
689 | td->nr_uniq_files = 1; | |
690 | else | |
691 | td->nr_uniq_files = td->nr_files; | |
692 | ||
693 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 694 | char tmp[PATH_MAX]; |
53cdc686 | 695 | int len = 0; |
e9c047a0 | 696 | |
ef899b63 | 697 | if (td->directory && td->directory[0] != '\0') |
8aeebd55 | 698 | len = sprintf(tmp, "%s/", td->directory); |
ebac4655 | 699 | |
53cdc686 JA |
700 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
701 | ||
702 | for_each_file(td, f, i) { | |
703 | memset(f, 0, sizeof(*f)); | |
704 | f->fd = -1; | |
705 | ||
13f8e2d2 JA |
706 | if (td->filename) |
707 | sprintf(tmp + len, "%s", td->filename); | |
708 | else | |
709 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
710 | f->file_name = strdup(tmp); |
711 | } | |
712 | } else { | |
713 | td->nr_files = 1; | |
714 | td->files = malloc(sizeof(struct fio_file)); | |
715 | f = &td->files[0]; | |
716 | ||
717 | memset(f, 0, sizeof(*f)); | |
718 | f->fd = -1; | |
719 | f->file_name = strdup(jobname); | |
720 | } | |
721 | ||
722 | for_each_file(td, f, i) { | |
723 | f->file_size = td->total_file_size / td->nr_files; | |
724 | f->file_offset = td->start_offset; | |
725 | } | |
726 | ||
bbfd6b00 | 727 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
728 | |
729 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
730 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
731 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
732 | ||
ebac4655 JA |
733 | if (td->stonewall && td->thread_number > 1) |
734 | groupid++; | |
735 | ||
736 | td->groupid = groupid; | |
737 | ||
738 | if (setup_rate(td)) | |
739 | goto err; | |
740 | ||
ec94ec56 | 741 | if (td->write_lat_log) { |
ebac4655 JA |
742 | setup_log(&td->slat_log); |
743 | setup_log(&td->clat_log); | |
744 | } | |
ec94ec56 | 745 | if (td->write_bw_log) |
ebac4655 JA |
746 | setup_log(&td->bw_log); |
747 | ||
b4692828 JA |
748 | if (!td->name) |
749 | td->name = strdup(jobname); | |
01452055 | 750 | |
3d60d1ed | 751 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 752 | |
c6ae0a5b | 753 | if (!terse_output) { |
b990b5c0 | 754 | if (!job_add_num) { |
2866c82d | 755 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 | 756 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
757 | else { |
758 | char *c1, *c2, *c3, *c4; | |
759 | ||
760 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
761 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
762 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
763 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
764 | ||
d56cbab0 | 765 | fprintf(f_out, "%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->name, td->groupid, ddir_str[ddir], c1, c2, c3, c4, td->io_ops->name, td->iodepth); |
f8977ee6 JA |
766 | |
767 | free(c1); | |
768 | free(c2); | |
769 | free(c3); | |
770 | free(c4); | |
771 | } | |
b990b5c0 | 772 | } else if (job_add_num == 1) |
c6ae0a5b JA |
773 | fprintf(f_out, "...\n"); |
774 | } | |
ebac4655 JA |
775 | |
776 | /* | |
777 | * recurse add identical jobs, clear numjobs and stonewall options | |
778 | * as they don't apply to sub-jobs | |
779 | */ | |
780 | numjobs = td->numjobs; | |
781 | while (--numjobs) { | |
782 | struct thread_data *td_new = get_new_job(0, td); | |
783 | ||
784 | if (!td_new) | |
785 | goto err; | |
786 | ||
787 | td_new->numjobs = 1; | |
788 | td_new->stonewall = 0; | |
75154845 | 789 | job_add_num = numjobs - 1; |
ebac4655 | 790 | |
75154845 | 791 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
792 | goto err; |
793 | } | |
794 | return 0; | |
795 | err: | |
796 | put_job(td); | |
797 | return -1; | |
798 | } | |
799 | ||
906c8d75 JA |
800 | /* |
801 | * Initialize the various random states we need (random io, block size ranges, | |
802 | * read/write mix, etc). | |
803 | */ | |
ebac4655 JA |
804 | int init_random_state(struct thread_data *td) |
805 | { | |
a6ccc7be | 806 | unsigned long seeds[4]; |
53cdc686 | 807 | int fd, num_maps, blocks, i; |
0ab8db89 | 808 | struct fio_file *f; |
ebac4655 | 809 | |
f48b467c JA |
810 | if (td->io_ops->flags & FIO_CPUIO) |
811 | return 0; | |
812 | ||
1ac267bb | 813 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
814 | if (fd == -1) { |
815 | td_verror(td, errno); | |
816 | return 1; | |
817 | } | |
818 | ||
a6ccc7be | 819 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
820 | td_verror(td, EIO); |
821 | close(fd); | |
822 | return 1; | |
823 | } | |
824 | ||
825 | close(fd); | |
826 | ||
6dfd46b9 JA |
827 | os_random_seed(seeds[0], &td->bsrange_state); |
828 | os_random_seed(seeds[1], &td->verify_state); | |
829 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
830 | |
831 | if (td->sequential) | |
832 | return 0; | |
833 | ||
9ebc27e1 | 834 | if (td->rand_repeatable) |
ee738499 | 835 | seeds[3] = FIO_RANDSEED; |
ebac4655 | 836 | |
bb8895e0 JA |
837 | if (!td->norandommap) { |
838 | for_each_file(td, f, i) { | |
a00735e6 | 839 | blocks = (f->file_size + td->rw_min_bs - 1) / td->rw_min_bs; |
c7c280ed | 840 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
bb8895e0 JA |
841 | f->file_map = malloc(num_maps * sizeof(long)); |
842 | f->num_maps = num_maps; | |
843 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
844 | } | |
53cdc686 | 845 | } |
ebac4655 | 846 | |
6dfd46b9 | 847 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
848 | return 0; |
849 | } | |
850 | ||
851 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
852 | { | |
853 | #ifdef FIO_HAVE_CPU_AFFINITY | |
854 | unsigned int i; | |
855 | ||
856 | CPU_ZERO(&cpumask); | |
857 | ||
858 | for (i = 0; i < sizeof(int) * 8; i++) { | |
859 | if ((1 << i) & cpu) | |
860 | CPU_SET(i, &cpumask); | |
861 | } | |
862 | #endif | |
863 | } | |
864 | ||
ebac4655 JA |
865 | static int is_empty_or_comment(char *line) |
866 | { | |
867 | unsigned int i; | |
868 | ||
869 | for (i = 0; i < strlen(line); i++) { | |
870 | if (line[i] == ';') | |
871 | return 1; | |
872 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
873 | return 0; | |
874 | } | |
875 | ||
876 | return 1; | |
877 | } | |
878 | ||
b4692828 | 879 | static int str_rw_cb(void *data, const char *mem) |
ebac4655 | 880 | { |
cb2c86fd JA |
881 | struct thread_data *td = data; |
882 | ||
ebac4655 JA |
883 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
884 | td->ddir = DDIR_READ; | |
885 | td->sequential = 1; | |
886 | return 0; | |
887 | } else if (!strncmp(mem, "randread", 8)) { | |
888 | td->ddir = DDIR_READ; | |
889 | td->sequential = 0; | |
890 | return 0; | |
891 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
892 | td->ddir = DDIR_WRITE; | |
893 | td->sequential = 1; | |
894 | return 0; | |
895 | } else if (!strncmp(mem, "randwrite", 9)) { | |
896 | td->ddir = DDIR_WRITE; | |
897 | td->sequential = 0; | |
898 | return 0; | |
3d60d1ed | 899 | } else if (!strncmp(mem, "rw", 2)) { |
1e97cce9 | 900 | td->ddir = DDIR_READ; |
3d60d1ed JA |
901 | td->iomix = 1; |
902 | td->sequential = 1; | |
903 | return 0; | |
904 | } else if (!strncmp(mem, "randrw", 6)) { | |
1e97cce9 | 905 | td->ddir = DDIR_READ; |
3d60d1ed JA |
906 | td->iomix = 1; |
907 | td->sequential = 0; | |
908 | return 0; | |
ebac4655 JA |
909 | } |
910 | ||
3b70d7e5 | 911 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
912 | return 1; |
913 | } | |
914 | ||
b4692828 | 915 | static int str_verify_cb(void *data, const char *mem) |
ebac4655 | 916 | { |
cb2c86fd JA |
917 | struct thread_data *td = data; |
918 | ||
ebac4655 JA |
919 | if (!strncmp(mem, "0", 1)) { |
920 | td->verify = VERIFY_NONE; | |
921 | return 0; | |
922 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
923 | td->verify = VERIFY_MD5; | |
924 | return 0; | |
925 | } else if (!strncmp(mem, "crc32", 5)) { | |
926 | td->verify = VERIFY_CRC32; | |
927 | return 0; | |
928 | } | |
929 | ||
3b70d7e5 | 930 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
931 | return 1; |
932 | } | |
933 | ||
313cb206 JA |
934 | /* |
935 | * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. | |
936 | */ | |
937 | static char *get_mmap_file(const char *str) | |
938 | { | |
939 | char *p = strstr(str, ":"); | |
940 | ||
941 | if (!p) | |
942 | return NULL; | |
943 | ||
944 | p++; | |
945 | strip_blank_front(&p); | |
946 | strip_blank_end(p); | |
947 | return strdup(p); | |
948 | } | |
949 | ||
b4692828 | 950 | static int str_mem_cb(void *data, const char *mem) |
ebac4655 | 951 | { |
cb2c86fd JA |
952 | struct thread_data *td = data; |
953 | ||
ebac4655 JA |
954 | if (!strncmp(mem, "malloc", 6)) { |
955 | td->mem_type = MEM_MALLOC; | |
956 | return 0; | |
d0bdaf49 JA |
957 | } else if (!strncmp(mem, "mmaphuge", 8)) { |
958 | #ifdef FIO_HAVE_HUGETLB | |
d0bdaf49 JA |
959 | /* |
960 | * mmaphuge must be appended with the actual file | |
961 | */ | |
313cb206 JA |
962 | td->mmapfile = get_mmap_file(mem); |
963 | if (!td->mmapfile) { | |
d0bdaf49 JA |
964 | log_err("fio: mmaphuge:/path/to/file\n"); |
965 | return 1; | |
966 | } | |
967 | ||
d0bdaf49 JA |
968 | td->mem_type = MEM_MMAPHUGE; |
969 | return 0; | |
970 | #else | |
971 | log_err("fio: mmaphuge not available\n"); | |
972 | return 1; | |
973 | #endif | |
ebac4655 | 974 | } else if (!strncmp(mem, "mmap", 4)) { |
313cb206 JA |
975 | /* |
976 | * Check if the user wants file backed memory. It's ok | |
977 | * if there's no file given, we'll just use anon mamp then. | |
978 | */ | |
979 | td->mmapfile = get_mmap_file(mem); | |
ebac4655 JA |
980 | td->mem_type = MEM_MMAP; |
981 | return 0; | |
74b025b0 JA |
982 | } else if (!strncmp(mem, "shmhuge", 7)) { |
983 | #ifdef FIO_HAVE_HUGETLB | |
984 | td->mem_type = MEM_SHMHUGE; | |
985 | return 0; | |
986 | #else | |
987 | log_err("fio: shmhuge not available\n"); | |
988 | return 1; | |
989 | #endif | |
0268b8ba JA |
990 | } else if (!strncmp(mem, "shm", 3)) { |
991 | td->mem_type = MEM_SHM; | |
992 | return 0; | |
ebac4655 JA |
993 | } |
994 | ||
d0bdaf49 | 995 | log_err("fio: mem type: malloc, shm, shmhuge, mmap, mmaphuge\n"); |
ebac4655 JA |
996 | return 1; |
997 | } | |
998 | ||
b4692828 | 999 | static int str_ioengine_cb(void *data, const char *str) |
ebac4655 | 1000 | { |
cb2c86fd JA |
1001 | struct thread_data *td = data; |
1002 | ||
2866c82d JA |
1003 | td->io_ops = load_ioengine(td, str); |
1004 | if (td->io_ops) | |
b990b5c0 | 1005 | return 0; |
ebac4655 | 1006 | |
08aae9a0 | 1007 | log_err("fio: ioengine= libaio, posixaio, sync, mmap, sgio, splice, cpu, null\n"); |
5f350952 | 1008 | log_err("fio: or specify path to dynamic ioengine module\n"); |
ebac4655 JA |
1009 | return 1; |
1010 | } | |
1011 | ||
e1f36503 JA |
1012 | static int str_lockmem_cb(void fio_unused *data, unsigned long *val) |
1013 | { | |
1014 | mlock_size = *val; | |
1015 | return 0; | |
1016 | } | |
1017 | ||
34cfcdaf | 1018 | #ifdef FIO_HAVE_IOPRIO |
e1f36503 JA |
1019 | static int str_prioclass_cb(void *data, unsigned int *val) |
1020 | { | |
1021 | struct thread_data *td = data; | |
1022 | ||
1023 | td->ioprio |= *val << IOPRIO_CLASS_SHIFT; | |
1024 | return 0; | |
1025 | } | |
1026 | ||
1027 | static int str_prio_cb(void *data, unsigned int *val) | |
1028 | { | |
1029 | struct thread_data *td = data; | |
1030 | ||
1031 | td->ioprio |= *val; | |
1032 | return 0; | |
1033 | } | |
34cfcdaf | 1034 | #endif |
e1f36503 JA |
1035 | |
1036 | static int str_exitall_cb(void) | |
1037 | { | |
1038 | exitall_on_terminate = 1; | |
1039 | return 0; | |
1040 | } | |
1041 | ||
1042 | static int str_cpumask_cb(void *data, unsigned int *val) | |
1043 | { | |
1044 | struct thread_data *td = data; | |
1045 | ||
1046 | fill_cpu_mask(td->cpumask, *val); | |
1047 | return 0; | |
1048 | } | |
1049 | ||
07261983 JA |
1050 | /* |
1051 | * This is our [ini] type file parser. | |
1052 | */ | |
1e97cce9 | 1053 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 1054 | { |
e1f36503 | 1055 | unsigned int global; |
ebac4655 | 1056 | struct thread_data *td; |
fee3bb48 | 1057 | char *string, *name; |
ebac4655 JA |
1058 | fpos_t off; |
1059 | FILE *f; | |
1060 | char *p; | |
0c7e37a0 | 1061 | int ret = 0, stonewall; |
ebac4655 JA |
1062 | |
1063 | f = fopen(file, "r"); | |
1064 | if (!f) { | |
aea47d44 | 1065 | perror("fopen job file"); |
ebac4655 JA |
1066 | return 1; |
1067 | } | |
1068 | ||
1069 | string = malloc(4096); | |
1070 | name = malloc(256); | |
fee3bb48 | 1071 | memset(name, 0, 256); |
ebac4655 | 1072 | |
0c7e37a0 | 1073 | stonewall = stonewall_flag; |
7c124ac1 JA |
1074 | do { |
1075 | p = fgets(string, 4095, f); | |
1076 | if (!p) | |
45410acb | 1077 | break; |
ebac4655 JA |
1078 | if (is_empty_or_comment(p)) |
1079 | continue; | |
fee3bb48 | 1080 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
1081 | continue; |
1082 | ||
1083 | global = !strncmp(name, "global", 6); | |
1084 | ||
1085 | name[strlen(name) - 1] = '\0'; | |
1086 | ||
1087 | td = get_new_job(global, &def_thread); | |
45410acb JA |
1088 | if (!td) { |
1089 | ret = 1; | |
1090 | break; | |
1091 | } | |
ebac4655 | 1092 | |
972cfd25 JA |
1093 | /* |
1094 | * Seperate multiple job files by a stonewall | |
1095 | */ | |
f9481919 | 1096 | if (!global && stonewall) { |
972cfd25 JA |
1097 | td->stonewall = stonewall; |
1098 | stonewall = 0; | |
1099 | } | |
1100 | ||
ebac4655 JA |
1101 | fgetpos(f, &off); |
1102 | while ((p = fgets(string, 4096, f)) != NULL) { | |
1103 | if (is_empty_or_comment(p)) | |
1104 | continue; | |
e1f36503 | 1105 | |
b6754f9d | 1106 | strip_blank_front(&p); |
7c124ac1 JA |
1107 | |
1108 | if (p[0] == '[') | |
1109 | break; | |
1110 | ||
4ae3f763 | 1111 | strip_blank_end(p); |
aea47d44 | 1112 | |
e1f36503 | 1113 | fgetpos(f, &off); |
ebac4655 | 1114 | |
45410acb JA |
1115 | /* |
1116 | * Don't break here, continue parsing options so we | |
1117 | * dump all the bad ones. Makes trial/error fixups | |
1118 | * easier on the user. | |
1119 | */ | |
7c124ac1 | 1120 | ret |= parse_option(p, options, td); |
ebac4655 | 1121 | } |
ebac4655 | 1122 | |
45410acb JA |
1123 | if (!ret) { |
1124 | fsetpos(f, &off); | |
1125 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
1126 | } else { |
1127 | log_err("fio: job %s dropped\n", name); | |
1128 | put_job(td); | |
45410acb | 1129 | } |
7c124ac1 | 1130 | } while (!ret); |
ebac4655 JA |
1131 | |
1132 | free(string); | |
1133 | free(name); | |
1134 | fclose(f); | |
45410acb | 1135 | return ret; |
ebac4655 JA |
1136 | } |
1137 | ||
1138 | static int fill_def_thread(void) | |
1139 | { | |
1140 | memset(&def_thread, 0, sizeof(def_thread)); | |
1141 | ||
1142 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1143 | perror("sched_getaffinity"); | |
1144 | return 1; | |
1145 | } | |
1146 | ||
1147 | /* | |
ee738499 | 1148 | * fill default options |
ebac4655 | 1149 | */ |
ee738499 JA |
1150 | fill_default_options(&def_thread, options); |
1151 | ||
972cfd25 | 1152 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
1153 | def_thread.write_bw_log = write_bw_log; |
1154 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 1155 | |
ebac4655 JA |
1156 | #ifdef FIO_HAVE_DISK_UTIL |
1157 | def_thread.do_disk_util = 1; | |
1158 | #endif | |
1159 | ||
1160 | return 0; | |
1161 | } | |
1162 | ||
0ab8db89 | 1163 | static void usage(void) |
4785f995 JA |
1164 | { |
1165 | printf("%s\n", fio_version_string); | |
b4692828 JA |
1166 | printf("\t--output\tWrite output to file\n"); |
1167 | printf("\t--timeout\tRuntime in seconds\n"); | |
1168 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1169 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1170 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1171 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
1172 | printf("\t--help\t\tPrint this page\n"); |
1173 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
1174 | } |
1175 | ||
972cfd25 | 1176 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1177 | { |
b4692828 | 1178 | struct thread_data *td = NULL; |
c2b1e753 | 1179 | int c, ini_idx = 0, lidx, ret; |
ebac4655 | 1180 | |
b4692828 | 1181 | while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 1182 | switch (c) { |
b4692828 JA |
1183 | case 't': |
1184 | def_timeout = atoi(optarg); | |
1185 | break; | |
1186 | case 'l': | |
1187 | write_lat_log = 1; | |
1188 | break; | |
1189 | case 'w': | |
1190 | write_bw_log = 1; | |
1191 | break; | |
1192 | case 'o': | |
1193 | f_out = fopen(optarg, "w+"); | |
1194 | if (!f_out) { | |
1195 | perror("fopen output"); | |
1196 | exit(1); | |
1197 | } | |
1198 | f_err = f_out; | |
1199 | break; | |
1200 | case 'm': | |
1201 | terse_output = 1; | |
1202 | break; | |
1203 | case 'h': | |
1204 | usage(); | |
1205 | exit(0); | |
fd28ca49 | 1206 | case 'c': |
29fc6afe JA |
1207 | ret = show_cmd_help(options, optarg); |
1208 | exit(ret); | |
b4692828 JA |
1209 | case 'v': |
1210 | printf("%s\n", fio_version_string); | |
1211 | exit(0); | |
1212 | case FIO_GETOPT_JOB: { | |
1213 | const char *opt = long_options[lidx].name; | |
1214 | char *val = optarg; | |
1215 | ||
c2b1e753 JA |
1216 | if (!strncmp(opt, "name", 4) && td) { |
1217 | ret = add_job(td, td->name ?: "fio", 0); | |
1218 | if (ret) { | |
1219 | put_job(td); | |
1220 | return 0; | |
1221 | } | |
1222 | td = NULL; | |
1223 | } | |
b4692828 | 1224 | if (!td) { |
38d0adb0 | 1225 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
1226 | |
1227 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
1228 | if (!td) |
1229 | return 0; | |
1230 | } | |
38d0adb0 | 1231 | |
b1508cf9 JA |
1232 | ret = parse_cmd_option(opt, val, options, td); |
1233 | if (ret) { | |
1234 | log_err("fio: job dropped\n"); | |
1235 | put_job(td); | |
1236 | td = NULL; | |
1237 | } | |
b4692828 JA |
1238 | break; |
1239 | } | |
1240 | default: | |
b4692828 | 1241 | break; |
ebac4655 JA |
1242 | } |
1243 | } | |
c9fad893 | 1244 | |
b4692828 | 1245 | if (td) { |
c2b1e753 | 1246 | ret = add_job(td, td->name ?: "fio", 0); |
b4692828 JA |
1247 | if (ret) |
1248 | put_job(td); | |
972cfd25 | 1249 | } |
774a6177 | 1250 | |
b4692828 JA |
1251 | while (optind < argc) { |
1252 | ini_idx++; | |
1253 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1254 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1255 | optind++; | |
eb8bbf48 | 1256 | } |
972cfd25 JA |
1257 | |
1258 | return ini_idx; | |
ebac4655 JA |
1259 | } |
1260 | ||
1261 | static void free_shm(void) | |
1262 | { | |
1263 | struct shmid_ds sbuf; | |
1264 | ||
1265 | if (threads) { | |
2c0ecd28 | 1266 | shmdt((void *) threads); |
ebac4655 JA |
1267 | threads = NULL; |
1268 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1269 | } | |
1270 | } | |
1271 | ||
906c8d75 JA |
1272 | /* |
1273 | * The thread area is shared between the main process and the job | |
1274 | * threads/processes. So setup a shared memory segment that will hold | |
1275 | * all the job info. | |
1276 | */ | |
ebac4655 JA |
1277 | static int setup_thread_area(void) |
1278 | { | |
1279 | /* | |
1280 | * 1024 is too much on some machines, scale max_jobs if | |
1281 | * we get a failure that looks like too large a shm segment | |
1282 | */ | |
1283 | do { | |
906c8d75 | 1284 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1285 | |
906c8d75 | 1286 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1287 | if (shm_id != -1) |
1288 | break; | |
1289 | if (errno != EINVAL) { | |
1290 | perror("shmget"); | |
1291 | break; | |
1292 | } | |
1293 | ||
1294 | max_jobs >>= 1; | |
1295 | } while (max_jobs); | |
1296 | ||
1297 | if (shm_id == -1) | |
1298 | return 1; | |
1299 | ||
1300 | threads = shmat(shm_id, NULL, 0); | |
1301 | if (threads == (void *) -1) { | |
1302 | perror("shmat"); | |
1303 | return 1; | |
1304 | } | |
1305 | ||
1306 | atexit(free_shm); | |
1307 | return 0; | |
1308 | } | |
1309 | ||
b4692828 JA |
1310 | /* |
1311 | * Copy the fio options into the long options map, so we mirror | |
1312 | * job and cmd line options. | |
1313 | */ | |
1314 | static void dupe_job_options(void) | |
1315 | { | |
1316 | struct fio_option *o; | |
1317 | unsigned int i; | |
1318 | ||
1319 | i = 0; | |
1320 | while (long_options[i].name) | |
1321 | i++; | |
1322 | ||
1323 | o = &options[0]; | |
1324 | while (o->name) { | |
1325 | long_options[i].name = o->name; | |
1326 | long_options[i].val = FIO_GETOPT_JOB; | |
1327 | if (o->type == FIO_OPT_STR_SET) | |
1328 | long_options[i].has_arg = no_argument; | |
1329 | else | |
1330 | long_options[i].has_arg = required_argument; | |
1331 | ||
1332 | i++; | |
1333 | o++; | |
1334 | assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); | |
1335 | } | |
1336 | } | |
1337 | ||
ebac4655 JA |
1338 | int parse_options(int argc, char *argv[]) |
1339 | { | |
972cfd25 JA |
1340 | int job_files, i; |
1341 | ||
b4692828 JA |
1342 | f_out = stdout; |
1343 | f_err = stderr; | |
1344 | ||
13335ddb JA |
1345 | options_init(options); |
1346 | ||
b4692828 JA |
1347 | dupe_job_options(); |
1348 | ||
ebac4655 JA |
1349 | if (setup_thread_area()) |
1350 | return 1; | |
1351 | if (fill_def_thread()) | |
1352 | return 1; | |
1353 | ||
972cfd25 | 1354 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1355 | |
972cfd25 JA |
1356 | for (i = 0; i < job_files; i++) { |
1357 | if (fill_def_thread()) | |
1358 | return 1; | |
0c7e37a0 | 1359 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1360 | return 1; |
88c6ed80 | 1361 | free(ini_file[i]); |
972cfd25 | 1362 | } |
ebac4655 | 1363 | |
88c6ed80 | 1364 | free(ini_file); |
b4692828 JA |
1365 | |
1366 | if (!thread_number) { | |
1367 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
1368 | return 1; |
1369 | } | |
1370 | ||
ebac4655 JA |
1371 | return 0; |
1372 | } |