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> | |
11 | #include <sys/ipc.h> | |
12 | #include <sys/shm.h> | |
13 | #include <sys/types.h> | |
14 | #include <sys/stat.h> | |
15 | ||
16 | #include "fio.h" | |
cb2c86fd | 17 | #include "parse.h" |
2e5cdb11 | 18 | #include "smalloc.h" |
380065aa | 19 | #include "filehash.h" |
4f5af7b2 | 20 | #include "verify.h" |
79d16311 | 21 | #include "profile.h" |
50d16976 | 22 | #include "server.h" |
ebac4655 | 23 | |
bf2e821a CC |
24 | #include "lib/getopt.h" |
25 | ||
723cd80a | 26 | static char fio_version_string[] = "fio 1.58"; |
214e1eca | 27 | |
ee738499 | 28 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 29 | |
214e1eca | 30 | static char **ini_file; |
fca70358 | 31 | static int max_jobs = FIO_MAX_JOBS; |
cca73aa7 | 32 | static int dump_cmdline; |
e1f36503 | 33 | |
be4ecfdf | 34 | static struct thread_data def_thread; |
214e1eca | 35 | struct thread_data *threads = NULL; |
e1f36503 | 36 | |
214e1eca JA |
37 | int exitall_on_terminate = 0; |
38 | int terse_output = 0; | |
e592a06b | 39 | int eta_print; |
214e1eca JA |
40 | unsigned long long mlock_size = 0; |
41 | FILE *f_out = NULL; | |
42 | FILE *f_err = NULL; | |
ad0a2735 JA |
43 | char **job_sections = NULL; |
44 | int nr_job_sections = 0; | |
07b3232d | 45 | char *exec_profile = NULL; |
a9523c6f | 46 | int warnings_fatal = 0; |
f57a9c59 | 47 | int terse_version = 2; |
50d16976 | 48 | int is_backend = 0; |
a37f69b7 | 49 | int nr_clients = 0; |
ee738499 | 50 | |
214e1eca | 51 | int write_bw_log = 0; |
4241ea8f | 52 | int read_only = 0; |
214e1eca | 53 | |
5ec10eaa | 54 | static int write_lat_log; |
e1f36503 | 55 | |
214e1eca | 56 | static int prev_group_jobs; |
b4692828 | 57 | |
ee56ad50 | 58 | unsigned long fio_debug = 0; |
5e1d306e JA |
59 | unsigned int fio_debug_jobno = -1; |
60 | unsigned int *fio_debug_jobp = NULL; | |
ee56ad50 | 61 | |
4c6107ff JA |
62 | static char cmd_optstr[256]; |
63 | ||
b4692828 JA |
64 | /* |
65 | * Command line options. These will contain the above, plus a few | |
66 | * extra that only pertain to fio itself and not jobs. | |
67 | */ | |
5ec10eaa | 68 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 | 69 | { |
08d2a19c | 70 | .name = (char *) "output", |
b4692828 JA |
71 | .has_arg = required_argument, |
72 | .val = 'o', | |
73 | }, | |
74 | { | |
08d2a19c | 75 | .name = (char *) "timeout", |
b4692828 JA |
76 | .has_arg = required_argument, |
77 | .val = 't', | |
78 | }, | |
79 | { | |
08d2a19c | 80 | .name = (char *) "latency-log", |
b4692828 JA |
81 | .has_arg = required_argument, |
82 | .val = 'l', | |
83 | }, | |
84 | { | |
08d2a19c | 85 | .name = (char *) "bandwidth-log", |
b4692828 JA |
86 | .has_arg = required_argument, |
87 | .val = 'b', | |
88 | }, | |
89 | { | |
08d2a19c | 90 | .name = (char *) "minimal", |
b4692828 JA |
91 | .has_arg = optional_argument, |
92 | .val = 'm', | |
93 | }, | |
94 | { | |
08d2a19c | 95 | .name = (char *) "version", |
b4692828 JA |
96 | .has_arg = no_argument, |
97 | .val = 'v', | |
98 | }, | |
fd28ca49 | 99 | { |
08d2a19c | 100 | .name = (char *) "help", |
fd28ca49 JA |
101 | .has_arg = no_argument, |
102 | .val = 'h', | |
103 | }, | |
104 | { | |
08d2a19c | 105 | .name = (char *) "cmdhelp", |
320beefe | 106 | .has_arg = optional_argument, |
fd28ca49 JA |
107 | .val = 'c', |
108 | }, | |
cca73aa7 | 109 | { |
08d2a19c | 110 | .name = (char *) "showcmd", |
cca73aa7 | 111 | .has_arg = no_argument, |
724e4435 JA |
112 | .val = 's', |
113 | }, | |
114 | { | |
08d2a19c | 115 | .name = (char *) "readonly", |
724e4435 JA |
116 | .has_arg = no_argument, |
117 | .val = 'r', | |
cca73aa7 | 118 | }, |
e592a06b | 119 | { |
08d2a19c | 120 | .name = (char *) "eta", |
e592a06b AC |
121 | .has_arg = required_argument, |
122 | .val = 'e', | |
123 | }, | |
ee56ad50 | 124 | { |
08d2a19c | 125 | .name = (char *) "debug", |
ee56ad50 JA |
126 | .has_arg = required_argument, |
127 | .val = 'd', | |
128 | }, | |
01f06b63 | 129 | { |
08d2a19c | 130 | .name = (char *) "section", |
01f06b63 JA |
131 | .has_arg = required_argument, |
132 | .val = 'x', | |
133 | }, | |
2b386d25 | 134 | { |
08d2a19c | 135 | .name = (char *) "alloc-size", |
2b386d25 JA |
136 | .has_arg = required_argument, |
137 | .val = 'a', | |
138 | }, | |
9ac8a797 | 139 | { |
08d2a19c | 140 | .name = (char *) "profile", |
9ac8a797 JA |
141 | .has_arg = required_argument, |
142 | .val = 'p', | |
143 | }, | |
a9523c6f | 144 | { |
08d2a19c | 145 | .name = (char *) "warnings-fatal", |
a9523c6f JA |
146 | .has_arg = no_argument, |
147 | .val = 'w', | |
148 | }, | |
fca70358 JA |
149 | { |
150 | .name = (char *) "max-jobs", | |
151 | .has_arg = required_argument, | |
152 | .val = 'j', | |
153 | }, | |
f57a9c59 JA |
154 | { |
155 | .name = (char *) "terse-version", | |
156 | .has_arg = required_argument, | |
157 | .val = 'V', | |
158 | }, | |
50d16976 JA |
159 | { |
160 | .name = (char *) "server", | |
161 | .has_arg = no_argument, | |
162 | .val = 'S', | |
163 | }, | |
132159a5 JA |
164 | { |
165 | .name = (char *) "net-port", | |
166 | .has_arg = required_argument, | |
167 | .val = 'P', | |
168 | }, | |
169 | { | |
170 | .name = (char *) "client", | |
171 | .has_arg = required_argument, | |
172 | .val = 'C', | |
173 | }, | |
b4692828 JA |
174 | { |
175 | .name = NULL, | |
176 | }, | |
177 | }; | |
178 | ||
906c8d75 JA |
179 | /* |
180 | * Return a free job structure. | |
181 | */ | |
ebac4655 JA |
182 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
183 | { | |
184 | struct thread_data *td; | |
185 | ||
186 | if (global) | |
187 | return &def_thread; | |
e61f1ec8 BC |
188 | if (thread_number >= max_jobs) { |
189 | log_err("error: maximum number of jobs (%d) reached.\n", | |
190 | max_jobs); | |
ebac4655 | 191 | return NULL; |
e61f1ec8 | 192 | } |
ebac4655 JA |
193 | |
194 | td = &threads[thread_number++]; | |
ddaeaa5a | 195 | *td = *parent; |
ebac4655 | 196 | |
e0b0d892 JA |
197 | td->o.uid = td->o.gid = -1U; |
198 | ||
cade3ef4 | 199 | dup_files(td, parent); |
d23bb327 | 200 | options_mem_dupe(td); |
cade3ef4 | 201 | |
15dc1934 JA |
202 | profile_add_hooks(td); |
203 | ||
ebac4655 | 204 | td->thread_number = thread_number; |
ebac4655 JA |
205 | return td; |
206 | } | |
207 | ||
208 | static void put_job(struct thread_data *td) | |
209 | { | |
549577a7 JA |
210 | if (td == &def_thread) |
211 | return; | |
84dd1886 | 212 | |
58c55ba0 | 213 | profile_td_exit(td); |
549577a7 | 214 | |
16edf25d | 215 | if (td->error) |
6d86144d | 216 | log_info("fio: %s\n", td->verror); |
16edf25d | 217 | |
ebac4655 JA |
218 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
219 | thread_number--; | |
220 | } | |
221 | ||
581e7141 | 222 | static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
127f6865 | 223 | { |
581e7141 | 224 | unsigned int bs = td->o.min_bs[ddir]; |
ba3e4e0c | 225 | unsigned long long bytes_per_sec; |
127f6865 | 226 | |
ff58fced JA |
227 | assert(ddir_rw(ddir)); |
228 | ||
ba3e4e0c RR |
229 | if (td->o.rate[ddir]) |
230 | bytes_per_sec = td->o.rate[ddir]; | |
231 | else | |
232 | bytes_per_sec = td->o.rate_iops[ddir] * bs; | |
127f6865 | 233 | |
ba3e4e0c | 234 | if (!bytes_per_sec) { |
127f6865 JA |
235 | log_err("rate lower than supported\n"); |
236 | return -1; | |
237 | } | |
238 | ||
ba3e4e0c | 239 | td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec; |
581e7141 | 240 | td->rate_pending_usleep[ddir] = 0; |
127f6865 JA |
241 | return 0; |
242 | } | |
243 | ||
581e7141 JA |
244 | static int setup_rate(struct thread_data *td) |
245 | { | |
246 | int ret = 0; | |
247 | ||
248 | if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) | |
249 | ret = __setup_rate(td, DDIR_READ); | |
250 | if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) | |
251 | ret |= __setup_rate(td, DDIR_WRITE); | |
252 | ||
253 | return ret; | |
254 | } | |
255 | ||
8347239a JA |
256 | static int fixed_block_size(struct thread_options *o) |
257 | { | |
258 | return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && | |
259 | o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && | |
260 | o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; | |
261 | } | |
262 | ||
dad915e3 JA |
263 | /* |
264 | * Lazy way of fixing up options that depend on each other. We could also | |
265 | * define option callback handlers, but this is easier. | |
266 | */ | |
4e991c23 | 267 | static int fixup_options(struct thread_data *td) |
e1f36503 | 268 | { |
2dc1bbeb | 269 | struct thread_options *o = &td->o; |
ff217451 | 270 | int ret = 0; |
dad915e3 | 271 | |
f356d01d | 272 | #ifndef FIO_HAVE_PSHARED_MUTEX |
9bbf57cc | 273 | if (!o->use_thread) { |
f356d01d JA |
274 | log_info("fio: this platform does not support process shared" |
275 | " mutexes, forcing use of threads. Use the 'thread'" | |
276 | " option to get rid of this warning.\n"); | |
9bbf57cc | 277 | o->use_thread = 1; |
a9523c6f | 278 | ret = warnings_fatal; |
f356d01d JA |
279 | } |
280 | #endif | |
281 | ||
2dc1bbeb | 282 | if (o->write_iolog_file && o->read_iolog_file) { |
076efc7c | 283 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
284 | free(o->write_iolog_file); |
285 | o->write_iolog_file = NULL; | |
a9523c6f | 286 | ret = warnings_fatal; |
076efc7c | 287 | } |
16b462ae | 288 | |
16b462ae JA |
289 | /* |
290 | * only really works for sequential io for now, and with 1 file | |
291 | */ | |
2dc1bbeb JA |
292 | if (o->zone_size && td_random(td) && o->open_files == 1) |
293 | o->zone_size = 0; | |
16b462ae JA |
294 | |
295 | /* | |
296 | * Reads can do overwrites, we always need to pre-create the file | |
297 | */ | |
298 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 299 | o->overwrite = 1; |
16b462ae | 300 | |
2dc1bbeb | 301 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 302 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
303 | if (!o->max_bs[DDIR_READ]) |
304 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
305 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 306 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
307 | if (!o->max_bs[DDIR_WRITE]) |
308 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 309 | |
2dc1bbeb | 310 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 311 | |
2b7a01d0 JA |
312 | /* |
313 | * For random IO, allow blockalign offset other than min_bs. | |
314 | */ | |
315 | if (!o->ba[DDIR_READ] || !td_random(td)) | |
316 | o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; | |
317 | if (!o->ba[DDIR_WRITE] || !td_random(td)) | |
318 | o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; | |
319 | ||
320 | if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || | |
321 | o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && | |
9bbf57cc | 322 | !o->norandommap) { |
2b7a01d0 | 323 | log_err("fio: Any use of blockalign= turns off randommap\n"); |
9bbf57cc | 324 | o->norandommap = 1; |
a9523c6f | 325 | ret = warnings_fatal; |
2b7a01d0 JA |
326 | } |
327 | ||
2dc1bbeb JA |
328 | if (!o->file_size_high) |
329 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 330 | |
8347239a JA |
331 | if (o->norandommap && o->verify != VERIFY_NONE |
332 | && !fixed_block_size(o)) { | |
333 | log_err("fio: norandommap given for variable block sizes, " | |
334 | "verify disabled\n"); | |
2dc1bbeb | 335 | o->verify = VERIFY_NONE; |
a9523c6f | 336 | ret = warnings_fatal; |
bb8895e0 | 337 | } |
2dc1bbeb | 338 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 339 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 340 | |
48097d5c JA |
341 | /* |
342 | * thinktime_spin must be less than thinktime | |
343 | */ | |
2dc1bbeb JA |
344 | if (o->thinktime_spin > o->thinktime) |
345 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
346 | |
347 | /* | |
348 | * The low water mark cannot be bigger than the iodepth | |
349 | */ | |
2dc1bbeb | 350 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
351 | /* |
352 | * syslet work around - if the workload is sequential, | |
353 | * we want to let the queue drain all the way down to | |
354 | * avoid seeking between async threads | |
355 | */ | |
356 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 357 | o->iodepth_low = 1; |
9467b77c | 358 | else |
2dc1bbeb | 359 | o->iodepth_low = o->iodepth; |
9467b77c | 360 | } |
cb5ab512 JA |
361 | |
362 | /* | |
363 | * If batch number isn't set, default to the same as iodepth | |
364 | */ | |
2dc1bbeb JA |
365 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
366 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 367 | |
2dc1bbeb JA |
368 | if (o->nr_files > td->files_index) |
369 | o->nr_files = td->files_index; | |
9f9214f2 | 370 | |
2dc1bbeb JA |
371 | if (o->open_files > o->nr_files || !o->open_files) |
372 | o->open_files = o->nr_files; | |
4e991c23 | 373 | |
581e7141 JA |
374 | if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| |
375 | ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + | |
376 | o->rate_iops_min[1]))) { | |
4e991c23 | 377 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
a9523c6f | 378 | ret = 1; |
4e991c23 | 379 | } |
581e7141 JA |
380 | if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || |
381 | (o->rate_iops[0] < o->rate_iops_min[0]) || | |
382 | (o->rate_iops[1] < o->rate_iops_min[1])) { | |
4e991c23 | 383 | log_err("fio: minimum rate exceeds rate\n"); |
a9523c6f | 384 | ret = 1; |
4e991c23 JA |
385 | } |
386 | ||
cf4464ca JA |
387 | if (!o->timeout && o->time_based) { |
388 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
389 | o->time_based = 0; | |
a9523c6f | 390 | ret = warnings_fatal; |
cf4464ca JA |
391 | } |
392 | ||
aa31f1f1 | 393 | if (o->fill_device && !o->size) |
5921e80c | 394 | o->size = -1ULL; |
5ec10eaa | 395 | |
9bbf57cc | 396 | if (o->verify != VERIFY_NONE) { |
996936f9 | 397 | if (td_write(td) && o->do_verify && o->numjobs > 1) { |
a9523c6f JA |
398 | log_info("Multiple writers may overwrite blocks that " |
399 | "belong to other jobs. This can cause " | |
400 | "verification failures.\n"); | |
401 | ret = warnings_fatal; | |
402 | } | |
403 | ||
9bbf57cc | 404 | o->refill_buffers = 1; |
2f1b8e8b JA |
405 | if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
406 | !o->verify_interval) | |
407 | o->verify_interval = o->min_bs[DDIR_WRITE]; | |
d990588e | 408 | } |
41ccd845 | 409 | |
9bbf57cc JA |
410 | if (o->pre_read) { |
411 | o->invalidate_cache = 0; | |
a9523c6f | 412 | if (td->io_ops->flags & FIO_PIPEIO) { |
9c0d2241 JA |
413 | log_info("fio: cannot pre-read files with an IO engine" |
414 | " that isn't seekable. Pre-read disabled.\n"); | |
a9523c6f JA |
415 | ret = warnings_fatal; |
416 | } | |
9c0d2241 | 417 | } |
34f1c044 | 418 | |
e72fa4d4 | 419 | #ifndef FIO_HAVE_FDATASYNC |
9bbf57cc | 420 | if (o->fdatasync_blocks) { |
e72fa4d4 JA |
421 | log_info("fio: this platform does not support fdatasync()" |
422 | " falling back to using fsync(). Use the 'fsync'" | |
423 | " option instead of 'fdatasync' to get rid of" | |
424 | " this warning\n"); | |
9bbf57cc JA |
425 | o->fsync_blocks = o->fdatasync_blocks; |
426 | o->fdatasync_blocks = 0; | |
a9523c6f | 427 | ret = warnings_fatal; |
e72fa4d4 JA |
428 | } |
429 | #endif | |
430 | ||
a9523c6f | 431 | return ret; |
e1f36503 JA |
432 | } |
433 | ||
f8977ee6 JA |
434 | /* |
435 | * This function leaks the buffer | |
436 | */ | |
437 | static char *to_kmg(unsigned int val) | |
438 | { | |
439 | char *buf = malloc(32); | |
f3502ba2 | 440 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
441 | char *p = post; |
442 | ||
245142ff | 443 | do { |
f8977ee6 JA |
444 | if (val & 1023) |
445 | break; | |
446 | ||
447 | val >>= 10; | |
448 | p++; | |
245142ff | 449 | } while (*p); |
f8977ee6 JA |
450 | |
451 | snprintf(buf, 31, "%u%c", val, *p); | |
452 | return buf; | |
453 | } | |
454 | ||
09629a90 JA |
455 | /* External engines are specified by "external:name.o") */ |
456 | static const char *get_engine_name(const char *str) | |
457 | { | |
458 | char *p = strstr(str, ":"); | |
459 | ||
460 | if (!p) | |
461 | return str; | |
462 | ||
463 | p++; | |
464 | strip_blank_front(&p); | |
465 | strip_blank_end(p); | |
466 | return p; | |
467 | } | |
468 | ||
e132cbae JA |
469 | static int exists_and_not_file(const char *filename) |
470 | { | |
471 | struct stat sb; | |
472 | ||
473 | if (lstat(filename, &sb) == -1) | |
474 | return 0; | |
475 | ||
ecc314ba BC |
476 | /* \\.\ is the device namespace in Windows, where every file |
477 | * is a device node */ | |
478 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
e132cbae JA |
479 | return 0; |
480 | ||
481 | return 1; | |
482 | } | |
483 | ||
4c07ad86 | 484 | static void td_fill_rand_seeds_os(struct thread_data *td) |
5bfc35d7 JA |
485 | { |
486 | os_random_seed(td->rand_seeds[0], &td->bsrange_state); | |
487 | os_random_seed(td->rand_seeds[1], &td->verify_state); | |
488 | os_random_seed(td->rand_seeds[2], &td->rwmix_state); | |
489 | ||
490 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
491 | os_random_seed(td->rand_seeds[3], &td->next_file_state); | |
492 | ||
493 | os_random_seed(td->rand_seeds[5], &td->file_size_state); | |
0d29de83 | 494 | os_random_seed(td->rand_seeds[6], &td->trim_state); |
5bfc35d7 JA |
495 | |
496 | if (!td_random(td)) | |
497 | return; | |
498 | ||
499 | if (td->o.rand_repeatable) | |
500 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
501 | ||
502 | os_random_seed(td->rand_seeds[4], &td->random_state); | |
4c07ad86 JA |
503 | } |
504 | ||
505 | static void td_fill_rand_seeds_internal(struct thread_data *td) | |
506 | { | |
507 | init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); | |
508 | init_rand_seed(&td->__verify_state, td->rand_seeds[1]); | |
509 | init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); | |
510 | ||
511 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
512 | init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); | |
513 | ||
514 | init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); | |
515 | init_rand_seed(&td->__trim_state, td->rand_seeds[6]); | |
516 | ||
517 | if (!td_random(td)) | |
518 | return; | |
519 | ||
520 | if (td->o.rand_repeatable) | |
521 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
522 | ||
2615cc4b | 523 | init_rand_seed(&td->__random_state, td->rand_seeds[4]); |
5bfc35d7 JA |
524 | } |
525 | ||
4c07ad86 JA |
526 | void td_fill_rand_seeds(struct thread_data *td) |
527 | { | |
528 | if (td->o.use_os_rand) | |
529 | td_fill_rand_seeds_os(td); | |
530 | else | |
531 | td_fill_rand_seeds_internal(td); | |
3545a109 JA |
532 | |
533 | init_rand_seed(&td->buf_state, td->rand_seeds[7]); | |
4c07ad86 JA |
534 | } |
535 | ||
9c60ce64 JA |
536 | /* |
537 | * Initialize the various random states we need (random io, block size ranges, | |
538 | * read/write mix, etc). | |
539 | */ | |
540 | static int init_random_state(struct thread_data *td) | |
541 | { | |
68727076 | 542 | int fd; |
9c60ce64 JA |
543 | |
544 | fd = open("/dev/urandom", O_RDONLY); | |
545 | if (fd == -1) { | |
546 | td_verror(td, errno, "open"); | |
547 | return 1; | |
548 | } | |
549 | ||
5bfc35d7 JA |
550 | if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) < |
551 | (int) sizeof(td->rand_seeds)) { | |
9c60ce64 JA |
552 | td_verror(td, EIO, "read"); |
553 | close(fd); | |
554 | return 1; | |
555 | } | |
556 | ||
557 | close(fd); | |
5bfc35d7 | 558 | td_fill_rand_seeds(td); |
9c60ce64 JA |
559 | return 0; |
560 | } | |
561 | ||
906c8d75 JA |
562 | /* |
563 | * Adds a job to the list of things todo. Sanitizes the various options | |
564 | * to make sure we don't have conflicts, and initializes various | |
565 | * members of td. | |
566 | */ | |
75154845 | 567 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 568 | { |
413dd459 JA |
569 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
570 | "randread", "randwrite", "randrw" }; | |
af52b345 | 571 | unsigned int i; |
09629a90 | 572 | const char *engine; |
af52b345 | 573 | char fname[PATH_MAX]; |
e132cbae | 574 | int numjobs, file_alloced; |
ebac4655 | 575 | |
ebac4655 JA |
576 | /* |
577 | * the def_thread is just for options, it's not a real job | |
578 | */ | |
579 | if (td == &def_thread) | |
580 | return 0; | |
581 | ||
cca73aa7 JA |
582 | /* |
583 | * if we are just dumping the output command line, don't add the job | |
584 | */ | |
585 | if (dump_cmdline) { | |
586 | put_job(td); | |
587 | return 0; | |
588 | } | |
589 | ||
58c55ba0 | 590 | if (profile_td_init(td)) |
66251554 | 591 | goto err; |
58c55ba0 | 592 | |
2dc1bbeb | 593 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
594 | td->io_ops = load_ioengine(td, engine); |
595 | if (!td->io_ops) { | |
596 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 597 | goto err; |
09629a90 | 598 | } |
df64119d | 599 | |
2dc1bbeb | 600 | if (td->o.use_thread) |
9cedf167 JA |
601 | nr_thread++; |
602 | else | |
603 | nr_process++; | |
604 | ||
2dc1bbeb | 605 | if (td->o.odirect) |
690adba3 JA |
606 | td->io_ops->flags |= FIO_RAWIO; |
607 | ||
e132cbae | 608 | file_alloced = 0; |
691c8fb0 | 609 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 610 | file_alloced = 1; |
80be24f4 | 611 | |
2dc1bbeb | 612 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 613 | add_file(td, jobname); |
7b05a215 | 614 | else { |
2dc1bbeb | 615 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
616 | sprintf(fname, "%s.%d.%d", jobname, |
617 | td->thread_number, i); | |
7b05a215 JA |
618 | add_file(td, fname); |
619 | } | |
af52b345 | 620 | } |
0af7b542 | 621 | } |
ebac4655 | 622 | |
4e991c23 JA |
623 | if (fixup_options(td)) |
624 | goto err; | |
e0a22335 | 625 | |
07eb79df JA |
626 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
627 | struct fio_file *f; | |
628 | ||
629 | for_each_file(td, f, i) | |
630 | f->real_file_size = -1ULL; | |
631 | } | |
632 | ||
cdd18ad8 | 633 | td->mutex = fio_mutex_init(0); |
ebac4655 | 634 | |
83349190 YH |
635 | td->ts.clat_percentiles = td->o.clat_percentiles; |
636 | if (td->o.overwrite_plist) | |
637 | td->ts.percentile_list = td->o.percentile_list; | |
638 | else | |
639 | td->ts.percentile_list = NULL; | |
640 | ||
756867bd JA |
641 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
642 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
02af0988 | 643 | td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX; |
756867bd | 644 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; |
cdd5411e | 645 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
ebac4655 | 646 | |
755c3189 | 647 | if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { |
3c5df6fa | 648 | prev_group_jobs = 0; |
ebac4655 | 649 | groupid++; |
3c5df6fa | 650 | } |
ebac4655 JA |
651 | |
652 | td->groupid = groupid; | |
3c5df6fa | 653 | prev_group_jobs++; |
ebac4655 | 654 | |
9c60ce64 JA |
655 | if (init_random_state(td)) |
656 | goto err; | |
657 | ||
ebac4655 JA |
658 | if (setup_rate(td)) |
659 | goto err; | |
660 | ||
2dc1bbeb | 661 | if (td->o.write_lat_log) { |
02af0988 | 662 | setup_log(&td->ts.lat_log); |
756867bd JA |
663 | setup_log(&td->ts.slat_log); |
664 | setup_log(&td->ts.clat_log); | |
ebac4655 | 665 | } |
2dc1bbeb | 666 | if (td->o.write_bw_log) |
756867bd | 667 | setup_log(&td->ts.bw_log); |
ebac4655 | 668 | |
2dc1bbeb JA |
669 | if (!td->o.name) |
670 | td->o.name = strdup(jobname); | |
01452055 | 671 | |
c6ae0a5b | 672 | if (!terse_output) { |
b990b5c0 | 673 | if (!job_add_num) { |
5ec10eaa JA |
674 | if (!strcmp(td->io_ops->name, "cpuio")) { |
675 | log_info("%s: ioengine=cpu, cpuload=%u," | |
676 | " cpucycle=%u\n", td->o.name, | |
677 | td->o.cpuload, | |
678 | td->o.cpucycle); | |
679 | } else { | |
f8977ee6 JA |
680 | char *c1, *c2, *c3, *c4; |
681 | ||
2dc1bbeb JA |
682 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
683 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
684 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
685 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 686 | |
5ec10eaa JA |
687 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
688 | " ioengine=%s, iodepth=%u\n", | |
689 | td->o.name, td->groupid, | |
690 | ddir_str[td->o.td_ddir], | |
691 | c1, c2, c3, c4, | |
692 | td->io_ops->name, | |
693 | td->o.iodepth); | |
f8977ee6 JA |
694 | |
695 | free(c1); | |
696 | free(c2); | |
697 | free(c3); | |
698 | free(c4); | |
699 | } | |
b990b5c0 | 700 | } else if (job_add_num == 1) |
6d86144d | 701 | log_info("...\n"); |
c6ae0a5b | 702 | } |
ebac4655 JA |
703 | |
704 | /* | |
705 | * recurse add identical jobs, clear numjobs and stonewall options | |
706 | * as they don't apply to sub-jobs | |
707 | */ | |
2dc1bbeb | 708 | numjobs = td->o.numjobs; |
ebac4655 JA |
709 | while (--numjobs) { |
710 | struct thread_data *td_new = get_new_job(0, td); | |
711 | ||
712 | if (!td_new) | |
713 | goto err; | |
714 | ||
2dc1bbeb JA |
715 | td_new->o.numjobs = 1; |
716 | td_new->o.stonewall = 0; | |
92c1d41f | 717 | td_new->o.new_group = 0; |
e132cbae JA |
718 | |
719 | if (file_alloced) { | |
2dc1bbeb | 720 | td_new->o.filename = NULL; |
e132cbae | 721 | td_new->files_index = 0; |
4e6ea2f1 | 722 | td_new->files_size = 0; |
e132cbae JA |
723 | td_new->files = NULL; |
724 | } | |
725 | ||
75154845 | 726 | job_add_num = numjobs - 1; |
ebac4655 | 727 | |
75154845 | 728 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
729 | goto err; |
730 | } | |
3c5df6fa | 731 | |
ebac4655 JA |
732 | return 0; |
733 | err: | |
734 | put_job(td); | |
735 | return -1; | |
736 | } | |
737 | ||
79d16311 JA |
738 | /* |
739 | * Parse as if 'o' was a command line | |
740 | */ | |
741 | void add_job_opts(const char **o) | |
742 | { | |
743 | struct thread_data *td, *td_parent; | |
744 | int i, in_global = 1; | |
745 | char jobname[32]; | |
746 | ||
747 | i = 0; | |
748 | td_parent = td = NULL; | |
749 | while (o[i]) { | |
750 | if (!strncmp(o[i], "name", 4)) { | |
751 | in_global = 0; | |
752 | if (td) | |
753 | add_job(td, jobname, 0); | |
754 | td = NULL; | |
755 | sprintf(jobname, "%s", o[i] + 5); | |
756 | } | |
757 | if (in_global && !td_parent) | |
758 | td_parent = get_new_job(1, &def_thread); | |
759 | else if (!in_global && !td) { | |
760 | if (!td_parent) | |
761 | td_parent = &def_thread; | |
762 | td = get_new_job(0, td_parent); | |
763 | } | |
764 | if (in_global) | |
765 | fio_options_parse(td_parent, (char **) &o[i], 1); | |
766 | else | |
767 | fio_options_parse(td, (char **) &o[i], 1); | |
768 | i++; | |
769 | } | |
770 | ||
771 | if (td) | |
772 | add_job(td, jobname, 0); | |
773 | } | |
774 | ||
01f06b63 JA |
775 | static int skip_this_section(const char *name) |
776 | { | |
ad0a2735 JA |
777 | int i; |
778 | ||
779 | if (!nr_job_sections) | |
01f06b63 JA |
780 | return 0; |
781 | if (!strncmp(name, "global", 6)) | |
782 | return 0; | |
783 | ||
ad0a2735 JA |
784 | for (i = 0; i < nr_job_sections; i++) |
785 | if (!strcmp(job_sections[i], name)) | |
786 | return 0; | |
787 | ||
788 | return 1; | |
01f06b63 JA |
789 | } |
790 | ||
ebac4655 JA |
791 | static int is_empty_or_comment(char *line) |
792 | { | |
793 | unsigned int i; | |
794 | ||
795 | for (i = 0; i < strlen(line); i++) { | |
796 | if (line[i] == ';') | |
797 | return 1; | |
5cc2da30 IM |
798 | if (line[i] == '#') |
799 | return 1; | |
76cd9378 | 800 | if (!isspace((int) line[i]) && !iscntrl((int) line[i])) |
ebac4655 JA |
801 | return 0; |
802 | } | |
803 | ||
804 | return 1; | |
805 | } | |
806 | ||
07261983 JA |
807 | /* |
808 | * This is our [ini] type file parser. | |
809 | */ | |
50d16976 | 810 | int parse_jobs_ini(char *file, int is_buf, int stonewall_flag) |
ebac4655 | 811 | { |
e1f36503 | 812 | unsigned int global; |
ebac4655 | 813 | struct thread_data *td; |
fee3bb48 | 814 | char *string, *name; |
ebac4655 JA |
815 | FILE *f; |
816 | char *p; | |
0c7e37a0 | 817 | int ret = 0, stonewall; |
097b2991 | 818 | int first_sect = 1; |
ccf8f127 | 819 | int skip_fgets = 0; |
01f06b63 | 820 | int inside_skip = 0; |
3b8b7135 JA |
821 | char **opts; |
822 | int i, alloc_opts, num_opts; | |
ebac4655 | 823 | |
50d16976 JA |
824 | if (is_buf) |
825 | f = NULL; | |
826 | else { | |
827 | if (!strcmp(file, "-")) | |
828 | f = stdin; | |
829 | else | |
830 | f = fopen(file, "r"); | |
5a729cbe | 831 | |
50d16976 JA |
832 | if (!f) { |
833 | perror("fopen job file"); | |
834 | return 1; | |
835 | } | |
ebac4655 JA |
836 | } |
837 | ||
838 | string = malloc(4096); | |
7f7e6e59 JA |
839 | |
840 | /* | |
841 | * it's really 256 + small bit, 280 should suffice | |
842 | */ | |
843 | name = malloc(280); | |
844 | memset(name, 0, 280); | |
ebac4655 | 845 | |
3b8b7135 JA |
846 | alloc_opts = 8; |
847 | opts = malloc(sizeof(char *) * alloc_opts); | |
b7c6302d | 848 | num_opts = 0; |
3b8b7135 | 849 | |
0c7e37a0 | 850 | stonewall = stonewall_flag; |
7c124ac1 | 851 | do { |
ccf8f127 JA |
852 | /* |
853 | * if skip_fgets is set, we already have loaded a line we | |
854 | * haven't handled. | |
855 | */ | |
856 | if (!skip_fgets) { | |
50d16976 JA |
857 | if (is_buf) |
858 | p = strsep(&file, "\n"); | |
859 | else | |
860 | p = fgets(string, 4095, f); | |
ccf8f127 JA |
861 | if (!p) |
862 | break; | |
863 | } | |
cdc7f193 | 864 | |
ccf8f127 | 865 | skip_fgets = 0; |
cdc7f193 | 866 | strip_blank_front(&p); |
6c7c7da1 | 867 | strip_blank_end(p); |
cdc7f193 | 868 | |
ebac4655 JA |
869 | if (is_empty_or_comment(p)) |
870 | continue; | |
84dd1886 | 871 | if (sscanf(p, "[%255[^\n]]", name) != 1) { |
01f06b63 JA |
872 | if (inside_skip) |
873 | continue; | |
5ec10eaa JA |
874 | log_err("fio: option <%s> outside of [] job section\n", |
875 | p); | |
088b4207 | 876 | break; |
6c7c7da1 | 877 | } |
ebac4655 | 878 | |
7a4b80a1 JA |
879 | name[strlen(name) - 1] = '\0'; |
880 | ||
01f06b63 JA |
881 | if (skip_this_section(name)) { |
882 | inside_skip = 1; | |
883 | continue; | |
884 | } else | |
885 | inside_skip = 0; | |
886 | ||
ebac4655 JA |
887 | global = !strncmp(name, "global", 6); |
888 | ||
cca73aa7 | 889 | if (dump_cmdline) { |
097b2991 JA |
890 | if (first_sect) |
891 | log_info("fio "); | |
cca73aa7 JA |
892 | if (!global) |
893 | log_info("--name=%s ", name); | |
097b2991 | 894 | first_sect = 0; |
cca73aa7 JA |
895 | } |
896 | ||
ebac4655 | 897 | td = get_new_job(global, &def_thread); |
45410acb JA |
898 | if (!td) { |
899 | ret = 1; | |
900 | break; | |
901 | } | |
ebac4655 | 902 | |
972cfd25 JA |
903 | /* |
904 | * Seperate multiple job files by a stonewall | |
905 | */ | |
f9481919 | 906 | if (!global && stonewall) { |
2dc1bbeb | 907 | td->o.stonewall = stonewall; |
972cfd25 JA |
908 | stonewall = 0; |
909 | } | |
910 | ||
3b8b7135 JA |
911 | num_opts = 0; |
912 | memset(opts, 0, alloc_opts * sizeof(char *)); | |
913 | ||
50d16976 JA |
914 | while (1) { |
915 | if (is_buf) | |
916 | p = strsep(&file, "\n"); | |
917 | else | |
918 | p = fgets(string, 4096, f); | |
919 | if (!p) | |
920 | break; | |
921 | ||
ebac4655 JA |
922 | if (is_empty_or_comment(p)) |
923 | continue; | |
e1f36503 | 924 | |
b6754f9d | 925 | strip_blank_front(&p); |
7c124ac1 | 926 | |
ccf8f127 JA |
927 | /* |
928 | * new section, break out and make sure we don't | |
929 | * fgets() a new line at the top. | |
930 | */ | |
931 | if (p[0] == '[') { | |
932 | skip_fgets = 1; | |
7c124ac1 | 933 | break; |
ccf8f127 | 934 | } |
7c124ac1 | 935 | |
4ae3f763 | 936 | strip_blank_end(p); |
aea47d44 | 937 | |
3b8b7135 JA |
938 | if (num_opts == alloc_opts) { |
939 | alloc_opts <<= 1; | |
940 | opts = realloc(opts, | |
941 | alloc_opts * sizeof(char *)); | |
942 | } | |
943 | ||
944 | opts[num_opts] = strdup(p); | |
945 | num_opts++; | |
ebac4655 | 946 | } |
ebac4655 | 947 | |
3b8b7135 JA |
948 | ret = fio_options_parse(td, opts, num_opts); |
949 | if (!ret) { | |
950 | if (dump_cmdline) | |
951 | for (i = 0; i < num_opts; i++) | |
952 | log_info("--%s ", opts[i]); | |
953 | ||
45410acb | 954 | ret = add_job(td, name, 0); |
3b8b7135 | 955 | } else { |
b1508cf9 JA |
956 | log_err("fio: job %s dropped\n", name); |
957 | put_job(td); | |
45410acb | 958 | } |
3b8b7135 JA |
959 | |
960 | for (i = 0; i < num_opts; i++) | |
961 | free(opts[i]); | |
962 | num_opts = 0; | |
7c124ac1 | 963 | } while (!ret); |
ebac4655 | 964 | |
cca73aa7 JA |
965 | if (dump_cmdline) |
966 | log_info("\n"); | |
967 | ||
3b8b7135 JA |
968 | for (i = 0; i < num_opts; i++) |
969 | free(opts[i]); | |
970 | ||
ebac4655 JA |
971 | free(string); |
972 | free(name); | |
2577594d | 973 | free(opts); |
50d16976 | 974 | if (!is_buf && f != stdin) |
5a729cbe | 975 | fclose(f); |
45410acb | 976 | return ret; |
ebac4655 JA |
977 | } |
978 | ||
979 | static int fill_def_thread(void) | |
980 | { | |
981 | memset(&def_thread, 0, sizeof(def_thread)); | |
982 | ||
375b2695 | 983 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
984 | |
985 | /* | |
ee738499 | 986 | * fill default options |
ebac4655 | 987 | */ |
214e1eca | 988 | fio_fill_default_options(&def_thread); |
ebac4655 JA |
989 | return 0; |
990 | } | |
991 | ||
214e1eca JA |
992 | static void free_shm(void) |
993 | { | |
994 | struct shmid_ds sbuf; | |
995 | ||
996 | if (threads) { | |
5e1d306e JA |
997 | void *tp = threads; |
998 | ||
214e1eca | 999 | threads = NULL; |
5e1d306e JA |
1000 | file_hash_exit(); |
1001 | fio_debug_jobp = NULL; | |
1002 | shmdt(tp); | |
214e1eca JA |
1003 | shmctl(shm_id, IPC_RMID, &sbuf); |
1004 | } | |
2e5cdb11 JA |
1005 | |
1006 | scleanup(); | |
214e1eca JA |
1007 | } |
1008 | ||
1009 | /* | |
1010 | * The thread area is shared between the main process and the job | |
1011 | * threads/processes. So setup a shared memory segment that will hold | |
380065aa JA |
1012 | * all the job info. We use the end of the region for keeping track of |
1013 | * open files across jobs, for file sharing. | |
214e1eca JA |
1014 | */ |
1015 | static int setup_thread_area(void) | |
1016 | { | |
380065aa JA |
1017 | void *hash; |
1018 | ||
214e1eca JA |
1019 | /* |
1020 | * 1024 is too much on some machines, scale max_jobs if | |
1021 | * we get a failure that looks like too large a shm segment | |
1022 | */ | |
1023 | do { | |
1024 | size_t size = max_jobs * sizeof(struct thread_data); | |
1025 | ||
380065aa | 1026 | size += file_hash_size; |
5e1d306e | 1027 | size += sizeof(unsigned int); |
380065aa | 1028 | |
214e1eca JA |
1029 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
1030 | if (shm_id != -1) | |
1031 | break; | |
1032 | if (errno != EINVAL) { | |
1033 | perror("shmget"); | |
1034 | break; | |
1035 | } | |
1036 | ||
1037 | max_jobs >>= 1; | |
1038 | } while (max_jobs); | |
1039 | ||
1040 | if (shm_id == -1) | |
1041 | return 1; | |
1042 | ||
1043 | threads = shmat(shm_id, NULL, 0); | |
1044 | if (threads == (void *) -1) { | |
1045 | perror("shmat"); | |
1046 | return 1; | |
1047 | } | |
1048 | ||
1f809d15 | 1049 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
380065aa | 1050 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); |
5e1d306e JA |
1051 | fio_debug_jobp = (void *) hash + file_hash_size; |
1052 | *fio_debug_jobp = -1; | |
380065aa | 1053 | file_hash_init(hash); |
214e1eca JA |
1054 | atexit(free_shm); |
1055 | return 0; | |
1056 | } | |
1057 | ||
45378b35 | 1058 | static void usage(const char *name) |
4785f995 | 1059 | { |
43617628 | 1060 | printf("%s\n", fio_version_string); |
45378b35 | 1061 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 1062 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
1063 | printf("\t--output\tWrite output to file\n"); |
1064 | printf("\t--timeout\tRuntime in seconds\n"); | |
1065 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1066 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1067 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1068 | printf("\t--version\tPrint version info and exit\n"); | |
f57a9c59 | 1069 | printf("\t--terse-version=x Terse version output format\n"); |
fd28ca49 | 1070 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
1071 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
1072 | " them\n"); | |
cca73aa7 | 1073 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
1074 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
1075 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
1076 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
1077 | " writes\n"); | |
01f06b63 | 1078 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
1079 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
1080 | " (def 1024)\n"); | |
a9523c6f | 1081 | printf("\t--warnings-fatal Fio parser warnings are fatal\n"); |
fca70358 | 1082 | printf("\t--max-jobs\tMaximum number of threads/processes to support\n"); |
132159a5 JA |
1083 | printf("\t--server\tStart a backend fio server\n"); |
1084 | printf("\t--client=hostname Talk to remove backend fio server at hostname\n"); | |
1085 | printf("\t--net-port=port\tUse specified port for client/server connection\n"); | |
aa58d252 JA |
1086 | printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); |
1087 | printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); | |
4785f995 JA |
1088 | } |
1089 | ||
79e48f72 | 1090 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 1091 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
1092 | { .name = "process", .shift = FD_PROCESS, }, |
1093 | { .name = "file", .shift = FD_FILE, }, | |
1094 | { .name = "io", .shift = FD_IO, }, | |
1095 | { .name = "mem", .shift = FD_MEM, }, | |
1096 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
1097 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 1098 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 1099 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 1100 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
5e1d306e | 1101 | { .name = "job", .shift = FD_JOB }, |
29adda3c | 1102 | { .name = "mutex", .shift = FD_MUTEX }, |
79d16311 | 1103 | { .name = "profile", .shift = FD_PROFILE }, |
c223da83 | 1104 | { .name = "time", .shift = FD_TIME }, |
02444ad1 | 1105 | { .name = NULL, }, |
ee56ad50 JA |
1106 | }; |
1107 | ||
c09823ab | 1108 | static int set_debug(const char *string) |
ee56ad50 JA |
1109 | { |
1110 | struct debug_level *dl; | |
1111 | char *p = (char *) string; | |
1112 | char *opt; | |
1113 | int i; | |
1114 | ||
1115 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
ee56ad50 JA |
1116 | log_info("fio: dumping debug options:"); |
1117 | for (i = 0; debug_levels[i].name; i++) { | |
1118 | dl = &debug_levels[i]; | |
1119 | log_info("%s,", dl->name); | |
1120 | } | |
bd6f78b2 | 1121 | log_info("all\n"); |
c09823ab | 1122 | return 1; |
ee56ad50 JA |
1123 | } |
1124 | ||
1125 | while ((opt = strsep(&p, ",")) != NULL) { | |
1126 | int found = 0; | |
1127 | ||
5e1d306e JA |
1128 | if (!strncmp(opt, "all", 3)) { |
1129 | log_info("fio: set all debug options\n"); | |
1130 | fio_debug = ~0UL; | |
1131 | continue; | |
1132 | } | |
1133 | ||
ee56ad50 JA |
1134 | for (i = 0; debug_levels[i].name; i++) { |
1135 | dl = &debug_levels[i]; | |
5e1d306e JA |
1136 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
1137 | if (!found) | |
1138 | continue; | |
1139 | ||
1140 | if (dl->shift == FD_JOB) { | |
1141 | opt = strchr(opt, ':'); | |
1142 | if (!opt) { | |
1143 | log_err("fio: missing job number\n"); | |
1144 | break; | |
1145 | } | |
1146 | opt++; | |
1147 | fio_debug_jobno = atoi(opt); | |
1148 | log_info("fio: set debug jobno %d\n", | |
1149 | fio_debug_jobno); | |
1150 | } else { | |
ee56ad50 | 1151 | log_info("fio: set debug option %s\n", opt); |
bd6f78b2 | 1152 | fio_debug |= (1UL << dl->shift); |
ee56ad50 | 1153 | } |
5e1d306e | 1154 | break; |
ee56ad50 JA |
1155 | } |
1156 | ||
1157 | if (!found) | |
1158 | log_err("fio: debug mask %s not found\n", opt); | |
1159 | } | |
c09823ab | 1160 | return 0; |
ee56ad50 | 1161 | } |
79e48f72 | 1162 | #else |
69b98d4c | 1163 | static int set_debug(const char *string) |
79e48f72 JA |
1164 | { |
1165 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 1166 | return 1; |
79e48f72 JA |
1167 | } |
1168 | #endif | |
9ac8a797 | 1169 | |
4c6107ff JA |
1170 | static void fio_options_fill_optstring(void) |
1171 | { | |
1172 | char *ostr = cmd_optstr; | |
1173 | int i, c; | |
1174 | ||
1175 | c = i = 0; | |
1176 | while (l_opts[i].name) { | |
1177 | ostr[c++] = l_opts[i].val; | |
1178 | if (l_opts[i].has_arg == required_argument) | |
1179 | ostr[c++] = ':'; | |
1180 | else if (l_opts[i].has_arg == optional_argument) { | |
1181 | ostr[c++] = ':'; | |
1182 | ostr[c++] = ':'; | |
1183 | } | |
1184 | i++; | |
1185 | } | |
1186 | ostr[c] = '\0'; | |
1187 | } | |
1188 | ||
972cfd25 | 1189 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1190 | { |
b4692828 | 1191 | struct thread_data *td = NULL; |
c09823ab | 1192 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
4c6107ff | 1193 | char *ostr = cmd_optstr; |
ebac4655 | 1194 | |
4c6107ff | 1195 | while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { |
ebac4655 | 1196 | switch (c) { |
2b386d25 JA |
1197 | case 'a': |
1198 | smalloc_pool_size = atoi(optarg); | |
1199 | break; | |
b4692828 | 1200 | case 't': |
ab2cabdb | 1201 | def_thread.o.timeout = atoi(optarg); |
b4692828 JA |
1202 | break; |
1203 | case 'l': | |
1204 | write_lat_log = 1; | |
1205 | break; | |
3d73e5a9 | 1206 | case 'b': |
b4692828 JA |
1207 | write_bw_log = 1; |
1208 | break; | |
1209 | case 'o': | |
1210 | f_out = fopen(optarg, "w+"); | |
1211 | if (!f_out) { | |
1212 | perror("fopen output"); | |
1213 | exit(1); | |
1214 | } | |
1215 | f_err = f_out; | |
1216 | break; | |
1217 | case 'm': | |
1218 | terse_output = 1; | |
1219 | break; | |
1220 | case 'h': | |
45378b35 | 1221 | usage(argv[0]); |
b4692828 | 1222 | exit(0); |
fd28ca49 | 1223 | case 'c': |
214e1eca | 1224 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
1225 | case 's': |
1226 | dump_cmdline = 1; | |
1227 | break; | |
724e4435 JA |
1228 | case 'r': |
1229 | read_only = 1; | |
1230 | break; | |
b4692828 | 1231 | case 'v': |
ca740f4e | 1232 | log_info("%s\n", fio_version_string); |
b4692828 | 1233 | exit(0); |
f57a9c59 JA |
1234 | case 'V': |
1235 | terse_version = atoi(optarg); | |
1236 | if (terse_version != 2) { | |
1237 | log_err("fio: bad terse version format\n"); | |
1238 | exit_val = 1; | |
1239 | do_exit++; | |
1240 | } | |
1241 | break; | |
e592a06b AC |
1242 | case 'e': |
1243 | if (!strcmp("always", optarg)) | |
1244 | eta_print = FIO_ETA_ALWAYS; | |
1245 | else if (!strcmp("never", optarg)) | |
1246 | eta_print = FIO_ETA_NEVER; | |
1247 | break; | |
ee56ad50 | 1248 | case 'd': |
c09823ab JA |
1249 | if (set_debug(optarg)) |
1250 | do_exit++; | |
ee56ad50 | 1251 | break; |
ad0a2735 JA |
1252 | case 'x': { |
1253 | size_t new_size; | |
1254 | ||
01f06b63 | 1255 | if (!strcmp(optarg, "global")) { |
5ec10eaa JA |
1256 | log_err("fio: can't use global as only " |
1257 | "section\n"); | |
c09823ab JA |
1258 | do_exit++; |
1259 | exit_val = 1; | |
01f06b63 JA |
1260 | break; |
1261 | } | |
ad0a2735 JA |
1262 | new_size = (nr_job_sections + 1) * sizeof(char *); |
1263 | job_sections = realloc(job_sections, new_size); | |
1264 | job_sections[nr_job_sections] = strdup(optarg); | |
1265 | nr_job_sections++; | |
01f06b63 | 1266 | break; |
ad0a2735 | 1267 | } |
9ac8a797 | 1268 | case 'p': |
07b3232d | 1269 | exec_profile = strdup(optarg); |
9ac8a797 | 1270 | break; |
b4692828 | 1271 | case FIO_GETOPT_JOB: { |
5ec10eaa | 1272 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
1273 | char *val = optarg; |
1274 | ||
c2b1e753 | 1275 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 1276 | ret = add_job(td, td->o.name ?: "fio", 0); |
66251554 | 1277 | if (ret) |
c2b1e753 | 1278 | return 0; |
c2b1e753 JA |
1279 | td = NULL; |
1280 | } | |
b4692828 | 1281 | if (!td) { |
01f06b63 | 1282 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
1283 | int global = 0; |
1284 | ||
01f06b63 | 1285 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 1286 | global = 1; |
c2b1e753 | 1287 | |
01f06b63 JA |
1288 | if (is_section && skip_this_section(val)) |
1289 | continue; | |
1290 | ||
c2b1e753 | 1291 | td = get_new_job(global, &def_thread); |
b4692828 JA |
1292 | if (!td) |
1293 | return 0; | |
1294 | } | |
38d0adb0 | 1295 | |
214e1eca | 1296 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
1297 | break; |
1298 | } | |
a9523c6f JA |
1299 | case 'w': |
1300 | warnings_fatal = 1; | |
1301 | break; | |
fca70358 JA |
1302 | case 'j': |
1303 | max_jobs = atoi(optarg); | |
1304 | if (!max_jobs || max_jobs > REAL_MAX_JOBS) { | |
1305 | log_err("fio: invalid max jobs: %d\n", max_jobs); | |
1306 | do_exit++; | |
1307 | exit_val = 1; | |
1308 | } | |
1309 | break; | |
50d16976 | 1310 | case 'S': |
a37f69b7 | 1311 | if (nr_clients) { |
132159a5 JA |
1312 | log_err("fio: can't be both client and server\n"); |
1313 | do_exit++; | |
1314 | exit_val = 1; | |
1315 | break; | |
1316 | } | |
50d16976 JA |
1317 | is_backend = 1; |
1318 | break; | |
132159a5 JA |
1319 | case 'P': |
1320 | fio_net_port = atoi(optarg); | |
1321 | break; | |
1322 | case 'C': | |
1323 | if (is_backend) { | |
1324 | log_err("fio: can't be both client and server\n"); | |
1325 | do_exit++; | |
1326 | exit_val = 1; | |
1327 | break; | |
1328 | } | |
a37f69b7 | 1329 | fio_client_add(optarg); |
132159a5 | 1330 | break; |
b4692828 | 1331 | default: |
c09823ab JA |
1332 | do_exit++; |
1333 | exit_val = 1; | |
b4692828 | 1334 | break; |
ebac4655 JA |
1335 | } |
1336 | } | |
c9fad893 | 1337 | |
c09823ab JA |
1338 | if (do_exit) |
1339 | exit(exit_val); | |
536582bf | 1340 | |
a37f69b7 | 1341 | if (nr_clients && fio_clients_connect()) { |
132159a5 JA |
1342 | do_exit++; |
1343 | exit_val = 1; | |
1344 | return 1; | |
1345 | } | |
1346 | ||
50d16976 | 1347 | if (is_backend) |
5c341e9a | 1348 | return fio_server(); |
50d16976 | 1349 | |
b4692828 | 1350 | if (td) { |
7d6a8904 | 1351 | if (!ret) |
2dc1bbeb | 1352 | ret = add_job(td, td->o.name ?: "fio", 0); |
972cfd25 | 1353 | } |
774a6177 | 1354 | |
b4692828 JA |
1355 | while (optind < argc) { |
1356 | ini_idx++; | |
1357 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1358 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1359 | optind++; | |
eb8bbf48 | 1360 | } |
972cfd25 JA |
1361 | |
1362 | return ini_idx; | |
ebac4655 JA |
1363 | } |
1364 | ||
ebac4655 JA |
1365 | int parse_options(int argc, char *argv[]) |
1366 | { | |
972cfd25 JA |
1367 | int job_files, i; |
1368 | ||
b4692828 JA |
1369 | f_out = stdout; |
1370 | f_err = stderr; | |
1371 | ||
4c6107ff | 1372 | fio_options_fill_optstring(); |
5ec10eaa | 1373 | fio_options_dup_and_init(l_opts); |
b4692828 | 1374 | |
ebac4655 JA |
1375 | if (setup_thread_area()) |
1376 | return 1; | |
1377 | if (fill_def_thread()) | |
1378 | return 1; | |
1379 | ||
972cfd25 | 1380 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1381 | |
972cfd25 JA |
1382 | for (i = 0; i < job_files; i++) { |
1383 | if (fill_def_thread()) | |
1384 | return 1; | |
a37f69b7 JA |
1385 | if (nr_clients) { |
1386 | if (fio_clients_send_ini(ini_file[i])) | |
132159a5 | 1387 | return 1; |
337d75a8 JA |
1388 | free(ini_file[i]); |
1389 | } else if (!is_backend) { | |
132159a5 JA |
1390 | if (parse_jobs_ini(ini_file[i], 0, i)) |
1391 | return 1; | |
337d75a8 | 1392 | free(ini_file[i]); |
132159a5 | 1393 | } |
972cfd25 | 1394 | } |
ebac4655 | 1395 | |
88c6ed80 | 1396 | free(ini_file); |
d23bb327 | 1397 | options_mem_free(&def_thread); |
b4692828 JA |
1398 | |
1399 | if (!thread_number) { | |
cca73aa7 JA |
1400 | if (dump_cmdline) |
1401 | return 0; | |
07b3232d JA |
1402 | if (exec_profile) |
1403 | return 0; | |
a37f69b7 | 1404 | if (is_backend || nr_clients) |
5c341e9a | 1405 | return 0; |
cca73aa7 | 1406 | |
03e20d68 | 1407 | log_err("No jobs(s) defined\n\n"); |
45378b35 | 1408 | usage(argv[0]); |
b4692828 JA |
1409 | return 1; |
1410 | } | |
1411 | ||
be4ecfdf JA |
1412 | if (def_thread.o.gtod_offload) { |
1413 | fio_gtod_init(); | |
1414 | fio_gtod_offload = 1; | |
1415 | fio_gtod_cpu = def_thread.o.gtod_cpu; | |
1416 | } | |
1417 | ||
ca740f4e | 1418 | log_info("%s\n", fio_version_string); |
ebac4655 JA |
1419 | return 0; |
1420 | } |