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; |
e46d8091 | 50 | int log_syslog = 0; |
ee738499 | 51 | |
214e1eca | 52 | int write_bw_log = 0; |
4241ea8f | 53 | int read_only = 0; |
214e1eca | 54 | |
5ec10eaa | 55 | static int write_lat_log; |
e1f36503 | 56 | |
214e1eca | 57 | static int prev_group_jobs; |
b4692828 | 58 | |
ee56ad50 | 59 | unsigned long fio_debug = 0; |
5e1d306e JA |
60 | unsigned int fio_debug_jobno = -1; |
61 | unsigned int *fio_debug_jobp = NULL; | |
ee56ad50 | 62 | |
4c6107ff JA |
63 | static char cmd_optstr[256]; |
64 | ||
b4692828 JA |
65 | /* |
66 | * Command line options. These will contain the above, plus a few | |
67 | * extra that only pertain to fio itself and not jobs. | |
68 | */ | |
5ec10eaa | 69 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 | 70 | { |
08d2a19c | 71 | .name = (char *) "output", |
b4692828 JA |
72 | .has_arg = required_argument, |
73 | .val = 'o', | |
74 | }, | |
75 | { | |
08d2a19c | 76 | .name = (char *) "timeout", |
b4692828 JA |
77 | .has_arg = required_argument, |
78 | .val = 't', | |
79 | }, | |
80 | { | |
08d2a19c | 81 | .name = (char *) "latency-log", |
b4692828 JA |
82 | .has_arg = required_argument, |
83 | .val = 'l', | |
84 | }, | |
85 | { | |
08d2a19c | 86 | .name = (char *) "bandwidth-log", |
b4692828 JA |
87 | .has_arg = required_argument, |
88 | .val = 'b', | |
89 | }, | |
90 | { | |
08d2a19c | 91 | .name = (char *) "minimal", |
b4692828 JA |
92 | .has_arg = optional_argument, |
93 | .val = 'm', | |
94 | }, | |
95 | { | |
08d2a19c | 96 | .name = (char *) "version", |
b4692828 JA |
97 | .has_arg = no_argument, |
98 | .val = 'v', | |
99 | }, | |
fd28ca49 | 100 | { |
08d2a19c | 101 | .name = (char *) "help", |
fd28ca49 JA |
102 | .has_arg = no_argument, |
103 | .val = 'h', | |
104 | }, | |
105 | { | |
08d2a19c | 106 | .name = (char *) "cmdhelp", |
320beefe | 107 | .has_arg = optional_argument, |
fd28ca49 JA |
108 | .val = 'c', |
109 | }, | |
cca73aa7 | 110 | { |
08d2a19c | 111 | .name = (char *) "showcmd", |
cca73aa7 | 112 | .has_arg = no_argument, |
724e4435 JA |
113 | .val = 's', |
114 | }, | |
115 | { | |
08d2a19c | 116 | .name = (char *) "readonly", |
724e4435 JA |
117 | .has_arg = no_argument, |
118 | .val = 'r', | |
cca73aa7 | 119 | }, |
e592a06b | 120 | { |
08d2a19c | 121 | .name = (char *) "eta", |
e592a06b AC |
122 | .has_arg = required_argument, |
123 | .val = 'e', | |
124 | }, | |
ee56ad50 | 125 | { |
08d2a19c | 126 | .name = (char *) "debug", |
ee56ad50 JA |
127 | .has_arg = required_argument, |
128 | .val = 'd', | |
129 | }, | |
01f06b63 | 130 | { |
08d2a19c | 131 | .name = (char *) "section", |
01f06b63 JA |
132 | .has_arg = required_argument, |
133 | .val = 'x', | |
134 | }, | |
2b386d25 | 135 | { |
08d2a19c | 136 | .name = (char *) "alloc-size", |
2b386d25 JA |
137 | .has_arg = required_argument, |
138 | .val = 'a', | |
139 | }, | |
9ac8a797 | 140 | { |
08d2a19c | 141 | .name = (char *) "profile", |
9ac8a797 JA |
142 | .has_arg = required_argument, |
143 | .val = 'p', | |
144 | }, | |
a9523c6f | 145 | { |
08d2a19c | 146 | .name = (char *) "warnings-fatal", |
a9523c6f JA |
147 | .has_arg = no_argument, |
148 | .val = 'w', | |
149 | }, | |
fca70358 JA |
150 | { |
151 | .name = (char *) "max-jobs", | |
152 | .has_arg = required_argument, | |
153 | .val = 'j', | |
154 | }, | |
f57a9c59 JA |
155 | { |
156 | .name = (char *) "terse-version", | |
157 | .has_arg = required_argument, | |
158 | .val = 'V', | |
159 | }, | |
50d16976 JA |
160 | { |
161 | .name = (char *) "server", | |
162 | .has_arg = no_argument, | |
163 | .val = 'S', | |
164 | }, | |
e46d8091 JA |
165 | { .name = (char *) "daemonize", |
166 | .has_arg = no_argument, | |
167 | .val = 'D', | |
168 | }, | |
132159a5 JA |
169 | { |
170 | .name = (char *) "net-port", | |
171 | .has_arg = required_argument, | |
172 | .val = 'P', | |
173 | }, | |
174 | { | |
175 | .name = (char *) "client", | |
176 | .has_arg = required_argument, | |
177 | .val = 'C', | |
178 | }, | |
b4692828 JA |
179 | { |
180 | .name = NULL, | |
181 | }, | |
182 | }; | |
183 | ||
9d9eb2e7 JA |
184 | static void free_shm(void) |
185 | { | |
186 | struct shmid_ds sbuf; | |
187 | ||
188 | if (threads) { | |
189 | void *tp = threads; | |
190 | ||
191 | threads = NULL; | |
192 | file_hash_exit(); | |
193 | fio_debug_jobp = NULL; | |
194 | shmdt(tp); | |
195 | shmctl(shm_id, IPC_RMID, &sbuf); | |
196 | } | |
197 | ||
198 | scleanup(); | |
199 | } | |
200 | ||
201 | /* | |
202 | * The thread area is shared between the main process and the job | |
203 | * threads/processes. So setup a shared memory segment that will hold | |
204 | * all the job info. We use the end of the region for keeping track of | |
205 | * open files across jobs, for file sharing. | |
206 | */ | |
207 | static int setup_thread_area(void) | |
208 | { | |
209 | void *hash; | |
210 | ||
211 | if (threads) | |
212 | return 0; | |
213 | ||
214 | /* | |
215 | * 1024 is too much on some machines, scale max_jobs if | |
216 | * we get a failure that looks like too large a shm segment | |
217 | */ | |
218 | do { | |
219 | size_t size = max_jobs * sizeof(struct thread_data); | |
220 | ||
221 | size += file_hash_size; | |
222 | size += sizeof(unsigned int); | |
223 | ||
224 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
225 | if (shm_id != -1) | |
226 | break; | |
227 | if (errno != EINVAL) { | |
228 | perror("shmget"); | |
229 | break; | |
230 | } | |
231 | ||
232 | max_jobs >>= 1; | |
233 | } while (max_jobs); | |
234 | ||
235 | if (shm_id == -1) | |
236 | return 1; | |
237 | ||
238 | threads = shmat(shm_id, NULL, 0); | |
239 | if (threads == (void *) -1) { | |
240 | perror("shmat"); | |
241 | return 1; | |
242 | } | |
243 | ||
244 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); | |
245 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); | |
246 | fio_debug_jobp = (void *) hash + file_hash_size; | |
247 | *fio_debug_jobp = -1; | |
248 | file_hash_init(hash); | |
249 | return 0; | |
250 | } | |
251 | ||
906c8d75 JA |
252 | /* |
253 | * Return a free job structure. | |
254 | */ | |
ebac4655 JA |
255 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
256 | { | |
257 | struct thread_data *td; | |
258 | ||
259 | if (global) | |
260 | return &def_thread; | |
9d9eb2e7 JA |
261 | if (setup_thread_area()) { |
262 | log_err("error: failed to setup shm segment\n"); | |
263 | return NULL; | |
264 | } | |
e61f1ec8 BC |
265 | if (thread_number >= max_jobs) { |
266 | log_err("error: maximum number of jobs (%d) reached.\n", | |
267 | max_jobs); | |
ebac4655 | 268 | return NULL; |
e61f1ec8 | 269 | } |
ebac4655 JA |
270 | |
271 | td = &threads[thread_number++]; | |
ddaeaa5a | 272 | *td = *parent; |
ebac4655 | 273 | |
e0b0d892 JA |
274 | td->o.uid = td->o.gid = -1U; |
275 | ||
cade3ef4 | 276 | dup_files(td, parent); |
d23bb327 | 277 | options_mem_dupe(td); |
cade3ef4 | 278 | |
15dc1934 JA |
279 | profile_add_hooks(td); |
280 | ||
ebac4655 | 281 | td->thread_number = thread_number; |
ebac4655 JA |
282 | return td; |
283 | } | |
284 | ||
285 | static void put_job(struct thread_data *td) | |
286 | { | |
549577a7 JA |
287 | if (td == &def_thread) |
288 | return; | |
84dd1886 | 289 | |
58c55ba0 | 290 | profile_td_exit(td); |
549577a7 | 291 | |
16edf25d | 292 | if (td->error) |
6d86144d | 293 | log_info("fio: %s\n", td->verror); |
16edf25d | 294 | |
ebac4655 JA |
295 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
296 | thread_number--; | |
297 | } | |
298 | ||
581e7141 | 299 | static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
127f6865 | 300 | { |
581e7141 | 301 | unsigned int bs = td->o.min_bs[ddir]; |
ba3e4e0c | 302 | unsigned long long bytes_per_sec; |
127f6865 | 303 | |
ff58fced JA |
304 | assert(ddir_rw(ddir)); |
305 | ||
ba3e4e0c RR |
306 | if (td->o.rate[ddir]) |
307 | bytes_per_sec = td->o.rate[ddir]; | |
308 | else | |
309 | bytes_per_sec = td->o.rate_iops[ddir] * bs; | |
127f6865 | 310 | |
ba3e4e0c | 311 | if (!bytes_per_sec) { |
127f6865 JA |
312 | log_err("rate lower than supported\n"); |
313 | return -1; | |
314 | } | |
315 | ||
ba3e4e0c | 316 | td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec; |
581e7141 | 317 | td->rate_pending_usleep[ddir] = 0; |
127f6865 JA |
318 | return 0; |
319 | } | |
320 | ||
581e7141 JA |
321 | static int setup_rate(struct thread_data *td) |
322 | { | |
323 | int ret = 0; | |
324 | ||
325 | if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) | |
326 | ret = __setup_rate(td, DDIR_READ); | |
327 | if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) | |
328 | ret |= __setup_rate(td, DDIR_WRITE); | |
329 | ||
330 | return ret; | |
331 | } | |
332 | ||
8347239a JA |
333 | static int fixed_block_size(struct thread_options *o) |
334 | { | |
335 | return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && | |
336 | o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && | |
337 | o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; | |
338 | } | |
339 | ||
dad915e3 JA |
340 | /* |
341 | * Lazy way of fixing up options that depend on each other. We could also | |
342 | * define option callback handlers, but this is easier. | |
343 | */ | |
4e991c23 | 344 | static int fixup_options(struct thread_data *td) |
e1f36503 | 345 | { |
2dc1bbeb | 346 | struct thread_options *o = &td->o; |
ff217451 | 347 | int ret = 0; |
dad915e3 | 348 | |
f356d01d | 349 | #ifndef FIO_HAVE_PSHARED_MUTEX |
9bbf57cc | 350 | if (!o->use_thread) { |
f356d01d JA |
351 | log_info("fio: this platform does not support process shared" |
352 | " mutexes, forcing use of threads. Use the 'thread'" | |
353 | " option to get rid of this warning.\n"); | |
9bbf57cc | 354 | o->use_thread = 1; |
a9523c6f | 355 | ret = warnings_fatal; |
f356d01d JA |
356 | } |
357 | #endif | |
358 | ||
2dc1bbeb | 359 | if (o->write_iolog_file && o->read_iolog_file) { |
076efc7c | 360 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
361 | free(o->write_iolog_file); |
362 | o->write_iolog_file = NULL; | |
a9523c6f | 363 | ret = warnings_fatal; |
076efc7c | 364 | } |
16b462ae | 365 | |
16b462ae JA |
366 | /* |
367 | * only really works for sequential io for now, and with 1 file | |
368 | */ | |
2dc1bbeb JA |
369 | if (o->zone_size && td_random(td) && o->open_files == 1) |
370 | o->zone_size = 0; | |
16b462ae JA |
371 | |
372 | /* | |
373 | * Reads can do overwrites, we always need to pre-create the file | |
374 | */ | |
375 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 376 | o->overwrite = 1; |
16b462ae | 377 | |
2dc1bbeb | 378 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 379 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
380 | if (!o->max_bs[DDIR_READ]) |
381 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
382 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 383 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
384 | if (!o->max_bs[DDIR_WRITE]) |
385 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 386 | |
2dc1bbeb | 387 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 388 | |
2b7a01d0 JA |
389 | /* |
390 | * For random IO, allow blockalign offset other than min_bs. | |
391 | */ | |
392 | if (!o->ba[DDIR_READ] || !td_random(td)) | |
393 | o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; | |
394 | if (!o->ba[DDIR_WRITE] || !td_random(td)) | |
395 | o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; | |
396 | ||
397 | if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || | |
398 | o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && | |
9bbf57cc | 399 | !o->norandommap) { |
2b7a01d0 | 400 | log_err("fio: Any use of blockalign= turns off randommap\n"); |
9bbf57cc | 401 | o->norandommap = 1; |
a9523c6f | 402 | ret = warnings_fatal; |
2b7a01d0 JA |
403 | } |
404 | ||
2dc1bbeb JA |
405 | if (!o->file_size_high) |
406 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 407 | |
8347239a JA |
408 | if (o->norandommap && o->verify != VERIFY_NONE |
409 | && !fixed_block_size(o)) { | |
410 | log_err("fio: norandommap given for variable block sizes, " | |
411 | "verify disabled\n"); | |
2dc1bbeb | 412 | o->verify = VERIFY_NONE; |
a9523c6f | 413 | ret = warnings_fatal; |
bb8895e0 | 414 | } |
2dc1bbeb | 415 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 416 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 417 | |
48097d5c JA |
418 | /* |
419 | * thinktime_spin must be less than thinktime | |
420 | */ | |
2dc1bbeb JA |
421 | if (o->thinktime_spin > o->thinktime) |
422 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
423 | |
424 | /* | |
425 | * The low water mark cannot be bigger than the iodepth | |
426 | */ | |
2dc1bbeb | 427 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
428 | /* |
429 | * syslet work around - if the workload is sequential, | |
430 | * we want to let the queue drain all the way down to | |
431 | * avoid seeking between async threads | |
432 | */ | |
433 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 434 | o->iodepth_low = 1; |
9467b77c | 435 | else |
2dc1bbeb | 436 | o->iodepth_low = o->iodepth; |
9467b77c | 437 | } |
cb5ab512 JA |
438 | |
439 | /* | |
440 | * If batch number isn't set, default to the same as iodepth | |
441 | */ | |
2dc1bbeb JA |
442 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
443 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 444 | |
2dc1bbeb JA |
445 | if (o->nr_files > td->files_index) |
446 | o->nr_files = td->files_index; | |
9f9214f2 | 447 | |
2dc1bbeb JA |
448 | if (o->open_files > o->nr_files || !o->open_files) |
449 | o->open_files = o->nr_files; | |
4e991c23 | 450 | |
581e7141 JA |
451 | if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| |
452 | ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + | |
453 | o->rate_iops_min[1]))) { | |
4e991c23 | 454 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
a9523c6f | 455 | ret = 1; |
4e991c23 | 456 | } |
581e7141 JA |
457 | if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || |
458 | (o->rate_iops[0] < o->rate_iops_min[0]) || | |
459 | (o->rate_iops[1] < o->rate_iops_min[1])) { | |
4e991c23 | 460 | log_err("fio: minimum rate exceeds rate\n"); |
a9523c6f | 461 | ret = 1; |
4e991c23 JA |
462 | } |
463 | ||
cf4464ca JA |
464 | if (!o->timeout && o->time_based) { |
465 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
466 | o->time_based = 0; | |
a9523c6f | 467 | ret = warnings_fatal; |
cf4464ca JA |
468 | } |
469 | ||
aa31f1f1 | 470 | if (o->fill_device && !o->size) |
5921e80c | 471 | o->size = -1ULL; |
5ec10eaa | 472 | |
9bbf57cc | 473 | if (o->verify != VERIFY_NONE) { |
996936f9 | 474 | if (td_write(td) && o->do_verify && o->numjobs > 1) { |
a9523c6f JA |
475 | log_info("Multiple writers may overwrite blocks that " |
476 | "belong to other jobs. This can cause " | |
477 | "verification failures.\n"); | |
478 | ret = warnings_fatal; | |
479 | } | |
480 | ||
9bbf57cc | 481 | o->refill_buffers = 1; |
2f1b8e8b JA |
482 | if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
483 | !o->verify_interval) | |
484 | o->verify_interval = o->min_bs[DDIR_WRITE]; | |
d990588e | 485 | } |
41ccd845 | 486 | |
9bbf57cc JA |
487 | if (o->pre_read) { |
488 | o->invalidate_cache = 0; | |
a9523c6f | 489 | if (td->io_ops->flags & FIO_PIPEIO) { |
9c0d2241 JA |
490 | log_info("fio: cannot pre-read files with an IO engine" |
491 | " that isn't seekable. Pre-read disabled.\n"); | |
a9523c6f JA |
492 | ret = warnings_fatal; |
493 | } | |
9c0d2241 | 494 | } |
34f1c044 | 495 | |
e72fa4d4 | 496 | #ifndef FIO_HAVE_FDATASYNC |
9bbf57cc | 497 | if (o->fdatasync_blocks) { |
e72fa4d4 JA |
498 | log_info("fio: this platform does not support fdatasync()" |
499 | " falling back to using fsync(). Use the 'fsync'" | |
500 | " option instead of 'fdatasync' to get rid of" | |
501 | " this warning\n"); | |
9bbf57cc JA |
502 | o->fsync_blocks = o->fdatasync_blocks; |
503 | o->fdatasync_blocks = 0; | |
a9523c6f | 504 | ret = warnings_fatal; |
e72fa4d4 JA |
505 | } |
506 | #endif | |
507 | ||
a9523c6f | 508 | return ret; |
e1f36503 JA |
509 | } |
510 | ||
f8977ee6 JA |
511 | /* |
512 | * This function leaks the buffer | |
513 | */ | |
514 | static char *to_kmg(unsigned int val) | |
515 | { | |
516 | char *buf = malloc(32); | |
f3502ba2 | 517 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
518 | char *p = post; |
519 | ||
245142ff | 520 | do { |
f8977ee6 JA |
521 | if (val & 1023) |
522 | break; | |
523 | ||
524 | val >>= 10; | |
525 | p++; | |
245142ff | 526 | } while (*p); |
f8977ee6 JA |
527 | |
528 | snprintf(buf, 31, "%u%c", val, *p); | |
529 | return buf; | |
530 | } | |
531 | ||
09629a90 JA |
532 | /* External engines are specified by "external:name.o") */ |
533 | static const char *get_engine_name(const char *str) | |
534 | { | |
535 | char *p = strstr(str, ":"); | |
536 | ||
537 | if (!p) | |
538 | return str; | |
539 | ||
540 | p++; | |
541 | strip_blank_front(&p); | |
542 | strip_blank_end(p); | |
543 | return p; | |
544 | } | |
545 | ||
e132cbae JA |
546 | static int exists_and_not_file(const char *filename) |
547 | { | |
548 | struct stat sb; | |
549 | ||
550 | if (lstat(filename, &sb) == -1) | |
551 | return 0; | |
552 | ||
ecc314ba BC |
553 | /* \\.\ is the device namespace in Windows, where every file |
554 | * is a device node */ | |
555 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
e132cbae JA |
556 | return 0; |
557 | ||
558 | return 1; | |
559 | } | |
560 | ||
4c07ad86 | 561 | static void td_fill_rand_seeds_os(struct thread_data *td) |
5bfc35d7 JA |
562 | { |
563 | os_random_seed(td->rand_seeds[0], &td->bsrange_state); | |
564 | os_random_seed(td->rand_seeds[1], &td->verify_state); | |
565 | os_random_seed(td->rand_seeds[2], &td->rwmix_state); | |
566 | ||
567 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
568 | os_random_seed(td->rand_seeds[3], &td->next_file_state); | |
569 | ||
570 | os_random_seed(td->rand_seeds[5], &td->file_size_state); | |
0d29de83 | 571 | os_random_seed(td->rand_seeds[6], &td->trim_state); |
5bfc35d7 JA |
572 | |
573 | if (!td_random(td)) | |
574 | return; | |
575 | ||
576 | if (td->o.rand_repeatable) | |
577 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
578 | ||
579 | os_random_seed(td->rand_seeds[4], &td->random_state); | |
4c07ad86 JA |
580 | } |
581 | ||
582 | static void td_fill_rand_seeds_internal(struct thread_data *td) | |
583 | { | |
584 | init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); | |
585 | init_rand_seed(&td->__verify_state, td->rand_seeds[1]); | |
586 | init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); | |
587 | ||
588 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
589 | init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); | |
590 | ||
591 | init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); | |
592 | init_rand_seed(&td->__trim_state, td->rand_seeds[6]); | |
593 | ||
594 | if (!td_random(td)) | |
595 | return; | |
596 | ||
597 | if (td->o.rand_repeatable) | |
598 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
599 | ||
2615cc4b | 600 | init_rand_seed(&td->__random_state, td->rand_seeds[4]); |
5bfc35d7 JA |
601 | } |
602 | ||
4c07ad86 JA |
603 | void td_fill_rand_seeds(struct thread_data *td) |
604 | { | |
605 | if (td->o.use_os_rand) | |
606 | td_fill_rand_seeds_os(td); | |
607 | else | |
608 | td_fill_rand_seeds_internal(td); | |
3545a109 JA |
609 | |
610 | init_rand_seed(&td->buf_state, td->rand_seeds[7]); | |
4c07ad86 JA |
611 | } |
612 | ||
9c60ce64 JA |
613 | /* |
614 | * Initialize the various random states we need (random io, block size ranges, | |
615 | * read/write mix, etc). | |
616 | */ | |
617 | static int init_random_state(struct thread_data *td) | |
618 | { | |
68727076 | 619 | int fd; |
9c60ce64 JA |
620 | |
621 | fd = open("/dev/urandom", O_RDONLY); | |
622 | if (fd == -1) { | |
623 | td_verror(td, errno, "open"); | |
624 | return 1; | |
625 | } | |
626 | ||
5bfc35d7 JA |
627 | if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) < |
628 | (int) sizeof(td->rand_seeds)) { | |
9c60ce64 JA |
629 | td_verror(td, EIO, "read"); |
630 | close(fd); | |
631 | return 1; | |
632 | } | |
633 | ||
634 | close(fd); | |
5bfc35d7 | 635 | td_fill_rand_seeds(td); |
9c60ce64 JA |
636 | return 0; |
637 | } | |
638 | ||
906c8d75 JA |
639 | /* |
640 | * Adds a job to the list of things todo. Sanitizes the various options | |
641 | * to make sure we don't have conflicts, and initializes various | |
642 | * members of td. | |
643 | */ | |
75154845 | 644 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 645 | { |
413dd459 JA |
646 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
647 | "randread", "randwrite", "randrw" }; | |
af52b345 | 648 | unsigned int i; |
09629a90 | 649 | const char *engine; |
af52b345 | 650 | char fname[PATH_MAX]; |
e132cbae | 651 | int numjobs, file_alloced; |
ebac4655 | 652 | |
ebac4655 JA |
653 | /* |
654 | * the def_thread is just for options, it's not a real job | |
655 | */ | |
656 | if (td == &def_thread) | |
657 | return 0; | |
658 | ||
cca73aa7 JA |
659 | /* |
660 | * if we are just dumping the output command line, don't add the job | |
661 | */ | |
662 | if (dump_cmdline) { | |
663 | put_job(td); | |
664 | return 0; | |
665 | } | |
666 | ||
58c55ba0 | 667 | if (profile_td_init(td)) |
66251554 | 668 | goto err; |
58c55ba0 | 669 | |
2dc1bbeb | 670 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
671 | td->io_ops = load_ioengine(td, engine); |
672 | if (!td->io_ops) { | |
673 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 674 | goto err; |
09629a90 | 675 | } |
df64119d | 676 | |
2dc1bbeb | 677 | if (td->o.use_thread) |
9cedf167 JA |
678 | nr_thread++; |
679 | else | |
680 | nr_process++; | |
681 | ||
2dc1bbeb | 682 | if (td->o.odirect) |
690adba3 JA |
683 | td->io_ops->flags |= FIO_RAWIO; |
684 | ||
e132cbae | 685 | file_alloced = 0; |
691c8fb0 | 686 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 687 | file_alloced = 1; |
80be24f4 | 688 | |
2dc1bbeb | 689 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 690 | add_file(td, jobname); |
7b05a215 | 691 | else { |
2dc1bbeb | 692 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
693 | sprintf(fname, "%s.%d.%d", jobname, |
694 | td->thread_number, i); | |
7b05a215 JA |
695 | add_file(td, fname); |
696 | } | |
af52b345 | 697 | } |
0af7b542 | 698 | } |
ebac4655 | 699 | |
4e991c23 JA |
700 | if (fixup_options(td)) |
701 | goto err; | |
e0a22335 | 702 | |
07eb79df JA |
703 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
704 | struct fio_file *f; | |
705 | ||
706 | for_each_file(td, f, i) | |
707 | f->real_file_size = -1ULL; | |
708 | } | |
709 | ||
cdd18ad8 | 710 | td->mutex = fio_mutex_init(0); |
ebac4655 | 711 | |
83349190 YH |
712 | td->ts.clat_percentiles = td->o.clat_percentiles; |
713 | if (td->o.overwrite_plist) | |
714 | td->ts.percentile_list = td->o.percentile_list; | |
715 | else | |
716 | td->ts.percentile_list = NULL; | |
717 | ||
756867bd JA |
718 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
719 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
02af0988 | 720 | td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX; |
756867bd | 721 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; |
cdd5411e | 722 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
ebac4655 | 723 | |
755c3189 | 724 | if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { |
3c5df6fa | 725 | prev_group_jobs = 0; |
ebac4655 | 726 | groupid++; |
3c5df6fa | 727 | } |
ebac4655 JA |
728 | |
729 | td->groupid = groupid; | |
3c5df6fa | 730 | prev_group_jobs++; |
ebac4655 | 731 | |
9c60ce64 JA |
732 | if (init_random_state(td)) |
733 | goto err; | |
734 | ||
ebac4655 JA |
735 | if (setup_rate(td)) |
736 | goto err; | |
737 | ||
2dc1bbeb | 738 | if (td->o.write_lat_log) { |
7b9f733a JA |
739 | setup_log(&td->lat_log); |
740 | setup_log(&td->slat_log); | |
741 | setup_log(&td->clat_log); | |
ebac4655 | 742 | } |
2dc1bbeb | 743 | if (td->o.write_bw_log) |
7b9f733a | 744 | setup_log(&td->bw_log); |
ebac4655 | 745 | |
2dc1bbeb JA |
746 | if (!td->o.name) |
747 | td->o.name = strdup(jobname); | |
01452055 | 748 | |
c6ae0a5b | 749 | if (!terse_output) { |
b990b5c0 | 750 | if (!job_add_num) { |
5ec10eaa JA |
751 | if (!strcmp(td->io_ops->name, "cpuio")) { |
752 | log_info("%s: ioengine=cpu, cpuload=%u," | |
753 | " cpucycle=%u\n", td->o.name, | |
754 | td->o.cpuload, | |
755 | td->o.cpucycle); | |
756 | } else { | |
f8977ee6 JA |
757 | char *c1, *c2, *c3, *c4; |
758 | ||
2dc1bbeb JA |
759 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
760 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
761 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
762 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 763 | |
5ec10eaa JA |
764 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
765 | " ioengine=%s, iodepth=%u\n", | |
766 | td->o.name, td->groupid, | |
767 | ddir_str[td->o.td_ddir], | |
768 | c1, c2, c3, c4, | |
769 | td->io_ops->name, | |
770 | td->o.iodepth); | |
f8977ee6 JA |
771 | |
772 | free(c1); | |
773 | free(c2); | |
774 | free(c3); | |
775 | free(c4); | |
776 | } | |
b990b5c0 | 777 | } else if (job_add_num == 1) |
6d86144d | 778 | log_info("...\n"); |
c6ae0a5b | 779 | } |
ebac4655 JA |
780 | |
781 | /* | |
782 | * recurse add identical jobs, clear numjobs and stonewall options | |
783 | * as they don't apply to sub-jobs | |
784 | */ | |
2dc1bbeb | 785 | numjobs = td->o.numjobs; |
ebac4655 JA |
786 | while (--numjobs) { |
787 | struct thread_data *td_new = get_new_job(0, td); | |
788 | ||
789 | if (!td_new) | |
790 | goto err; | |
791 | ||
2dc1bbeb JA |
792 | td_new->o.numjobs = 1; |
793 | td_new->o.stonewall = 0; | |
92c1d41f | 794 | td_new->o.new_group = 0; |
e132cbae JA |
795 | |
796 | if (file_alloced) { | |
2dc1bbeb | 797 | td_new->o.filename = NULL; |
e132cbae | 798 | td_new->files_index = 0; |
4e6ea2f1 | 799 | td_new->files_size = 0; |
e132cbae JA |
800 | td_new->files = NULL; |
801 | } | |
802 | ||
75154845 | 803 | job_add_num = numjobs - 1; |
ebac4655 | 804 | |
75154845 | 805 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
806 | goto err; |
807 | } | |
3c5df6fa | 808 | |
ebac4655 JA |
809 | return 0; |
810 | err: | |
811 | put_job(td); | |
812 | return -1; | |
813 | } | |
814 | ||
79d16311 JA |
815 | /* |
816 | * Parse as if 'o' was a command line | |
817 | */ | |
818 | void add_job_opts(const char **o) | |
819 | { | |
820 | struct thread_data *td, *td_parent; | |
821 | int i, in_global = 1; | |
822 | char jobname[32]; | |
823 | ||
824 | i = 0; | |
825 | td_parent = td = NULL; | |
826 | while (o[i]) { | |
827 | if (!strncmp(o[i], "name", 4)) { | |
828 | in_global = 0; | |
829 | if (td) | |
830 | add_job(td, jobname, 0); | |
831 | td = NULL; | |
832 | sprintf(jobname, "%s", o[i] + 5); | |
833 | } | |
834 | if (in_global && !td_parent) | |
835 | td_parent = get_new_job(1, &def_thread); | |
836 | else if (!in_global && !td) { | |
837 | if (!td_parent) | |
838 | td_parent = &def_thread; | |
839 | td = get_new_job(0, td_parent); | |
840 | } | |
841 | if (in_global) | |
842 | fio_options_parse(td_parent, (char **) &o[i], 1); | |
843 | else | |
844 | fio_options_parse(td, (char **) &o[i], 1); | |
845 | i++; | |
846 | } | |
847 | ||
848 | if (td) | |
849 | add_job(td, jobname, 0); | |
850 | } | |
851 | ||
01f06b63 JA |
852 | static int skip_this_section(const char *name) |
853 | { | |
ad0a2735 JA |
854 | int i; |
855 | ||
856 | if (!nr_job_sections) | |
01f06b63 JA |
857 | return 0; |
858 | if (!strncmp(name, "global", 6)) | |
859 | return 0; | |
860 | ||
ad0a2735 JA |
861 | for (i = 0; i < nr_job_sections; i++) |
862 | if (!strcmp(job_sections[i], name)) | |
863 | return 0; | |
864 | ||
865 | return 1; | |
01f06b63 JA |
866 | } |
867 | ||
ebac4655 JA |
868 | static int is_empty_or_comment(char *line) |
869 | { | |
870 | unsigned int i; | |
871 | ||
872 | for (i = 0; i < strlen(line); i++) { | |
873 | if (line[i] == ';') | |
874 | return 1; | |
5cc2da30 IM |
875 | if (line[i] == '#') |
876 | return 1; | |
76cd9378 | 877 | if (!isspace((int) line[i]) && !iscntrl((int) line[i])) |
ebac4655 JA |
878 | return 0; |
879 | } | |
880 | ||
881 | return 1; | |
882 | } | |
883 | ||
07261983 JA |
884 | /* |
885 | * This is our [ini] type file parser. | |
886 | */ | |
50d16976 | 887 | int parse_jobs_ini(char *file, int is_buf, int stonewall_flag) |
ebac4655 | 888 | { |
e1f36503 | 889 | unsigned int global; |
ebac4655 | 890 | struct thread_data *td; |
fee3bb48 | 891 | char *string, *name; |
ebac4655 JA |
892 | FILE *f; |
893 | char *p; | |
0c7e37a0 | 894 | int ret = 0, stonewall; |
097b2991 | 895 | int first_sect = 1; |
ccf8f127 | 896 | int skip_fgets = 0; |
01f06b63 | 897 | int inside_skip = 0; |
3b8b7135 JA |
898 | char **opts; |
899 | int i, alloc_opts, num_opts; | |
ebac4655 | 900 | |
50d16976 JA |
901 | if (is_buf) |
902 | f = NULL; | |
903 | else { | |
904 | if (!strcmp(file, "-")) | |
905 | f = stdin; | |
906 | else | |
907 | f = fopen(file, "r"); | |
5a729cbe | 908 | |
50d16976 JA |
909 | if (!f) { |
910 | perror("fopen job file"); | |
911 | return 1; | |
912 | } | |
ebac4655 JA |
913 | } |
914 | ||
915 | string = malloc(4096); | |
7f7e6e59 JA |
916 | |
917 | /* | |
918 | * it's really 256 + small bit, 280 should suffice | |
919 | */ | |
920 | name = malloc(280); | |
921 | memset(name, 0, 280); | |
ebac4655 | 922 | |
3b8b7135 JA |
923 | alloc_opts = 8; |
924 | opts = malloc(sizeof(char *) * alloc_opts); | |
b7c6302d | 925 | num_opts = 0; |
3b8b7135 | 926 | |
0c7e37a0 | 927 | stonewall = stonewall_flag; |
7c124ac1 | 928 | do { |
ccf8f127 JA |
929 | /* |
930 | * if skip_fgets is set, we already have loaded a line we | |
931 | * haven't handled. | |
932 | */ | |
933 | if (!skip_fgets) { | |
50d16976 JA |
934 | if (is_buf) |
935 | p = strsep(&file, "\n"); | |
936 | else | |
937 | p = fgets(string, 4095, f); | |
ccf8f127 JA |
938 | if (!p) |
939 | break; | |
940 | } | |
cdc7f193 | 941 | |
ccf8f127 | 942 | skip_fgets = 0; |
cdc7f193 | 943 | strip_blank_front(&p); |
6c7c7da1 | 944 | strip_blank_end(p); |
cdc7f193 | 945 | |
ebac4655 JA |
946 | if (is_empty_or_comment(p)) |
947 | continue; | |
84dd1886 | 948 | if (sscanf(p, "[%255[^\n]]", name) != 1) { |
01f06b63 JA |
949 | if (inside_skip) |
950 | continue; | |
5ec10eaa JA |
951 | log_err("fio: option <%s> outside of [] job section\n", |
952 | p); | |
088b4207 | 953 | break; |
6c7c7da1 | 954 | } |
ebac4655 | 955 | |
7a4b80a1 JA |
956 | name[strlen(name) - 1] = '\0'; |
957 | ||
01f06b63 JA |
958 | if (skip_this_section(name)) { |
959 | inside_skip = 1; | |
960 | continue; | |
961 | } else | |
962 | inside_skip = 0; | |
963 | ||
ebac4655 JA |
964 | global = !strncmp(name, "global", 6); |
965 | ||
cca73aa7 | 966 | if (dump_cmdline) { |
097b2991 JA |
967 | if (first_sect) |
968 | log_info("fio "); | |
cca73aa7 JA |
969 | if (!global) |
970 | log_info("--name=%s ", name); | |
097b2991 | 971 | first_sect = 0; |
cca73aa7 JA |
972 | } |
973 | ||
ebac4655 | 974 | td = get_new_job(global, &def_thread); |
45410acb JA |
975 | if (!td) { |
976 | ret = 1; | |
977 | break; | |
978 | } | |
ebac4655 | 979 | |
972cfd25 JA |
980 | /* |
981 | * Seperate multiple job files by a stonewall | |
982 | */ | |
f9481919 | 983 | if (!global && stonewall) { |
2dc1bbeb | 984 | td->o.stonewall = stonewall; |
972cfd25 JA |
985 | stonewall = 0; |
986 | } | |
987 | ||
3b8b7135 JA |
988 | num_opts = 0; |
989 | memset(opts, 0, alloc_opts * sizeof(char *)); | |
990 | ||
50d16976 JA |
991 | while (1) { |
992 | if (is_buf) | |
993 | p = strsep(&file, "\n"); | |
994 | else | |
995 | p = fgets(string, 4096, f); | |
996 | if (!p) | |
997 | break; | |
998 | ||
ebac4655 JA |
999 | if (is_empty_or_comment(p)) |
1000 | continue; | |
e1f36503 | 1001 | |
b6754f9d | 1002 | strip_blank_front(&p); |
7c124ac1 | 1003 | |
ccf8f127 JA |
1004 | /* |
1005 | * new section, break out and make sure we don't | |
1006 | * fgets() a new line at the top. | |
1007 | */ | |
1008 | if (p[0] == '[') { | |
1009 | skip_fgets = 1; | |
7c124ac1 | 1010 | break; |
ccf8f127 | 1011 | } |
7c124ac1 | 1012 | |
4ae3f763 | 1013 | strip_blank_end(p); |
aea47d44 | 1014 | |
3b8b7135 JA |
1015 | if (num_opts == alloc_opts) { |
1016 | alloc_opts <<= 1; | |
1017 | opts = realloc(opts, | |
1018 | alloc_opts * sizeof(char *)); | |
1019 | } | |
1020 | ||
1021 | opts[num_opts] = strdup(p); | |
1022 | num_opts++; | |
ebac4655 | 1023 | } |
ebac4655 | 1024 | |
3b8b7135 JA |
1025 | ret = fio_options_parse(td, opts, num_opts); |
1026 | if (!ret) { | |
1027 | if (dump_cmdline) | |
1028 | for (i = 0; i < num_opts; i++) | |
1029 | log_info("--%s ", opts[i]); | |
1030 | ||
45410acb | 1031 | ret = add_job(td, name, 0); |
3b8b7135 | 1032 | } else { |
b1508cf9 JA |
1033 | log_err("fio: job %s dropped\n", name); |
1034 | put_job(td); | |
45410acb | 1035 | } |
3b8b7135 JA |
1036 | |
1037 | for (i = 0; i < num_opts; i++) | |
1038 | free(opts[i]); | |
1039 | num_opts = 0; | |
7c124ac1 | 1040 | } while (!ret); |
ebac4655 | 1041 | |
cca73aa7 JA |
1042 | if (dump_cmdline) |
1043 | log_info("\n"); | |
1044 | ||
3b8b7135 JA |
1045 | for (i = 0; i < num_opts; i++) |
1046 | free(opts[i]); | |
1047 | ||
ebac4655 JA |
1048 | free(string); |
1049 | free(name); | |
2577594d | 1050 | free(opts); |
50d16976 | 1051 | if (!is_buf && f != stdin) |
5a729cbe | 1052 | fclose(f); |
45410acb | 1053 | return ret; |
ebac4655 JA |
1054 | } |
1055 | ||
1056 | static int fill_def_thread(void) | |
1057 | { | |
1058 | memset(&def_thread, 0, sizeof(def_thread)); | |
1059 | ||
375b2695 | 1060 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
1061 | |
1062 | /* | |
ee738499 | 1063 | * fill default options |
ebac4655 | 1064 | */ |
214e1eca | 1065 | fio_fill_default_options(&def_thread); |
ebac4655 JA |
1066 | return 0; |
1067 | } | |
1068 | ||
45378b35 | 1069 | static void usage(const char *name) |
4785f995 | 1070 | { |
43617628 | 1071 | printf("%s\n", fio_version_string); |
45378b35 | 1072 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 1073 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
1074 | printf("\t--output\tWrite output to file\n"); |
1075 | printf("\t--timeout\tRuntime in seconds\n"); | |
1076 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1077 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1078 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1079 | printf("\t--version\tPrint version info and exit\n"); | |
f57a9c59 | 1080 | printf("\t--terse-version=x Terse version output format\n"); |
fd28ca49 | 1081 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
1082 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
1083 | " them\n"); | |
cca73aa7 | 1084 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
1085 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
1086 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
1087 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
1088 | " writes\n"); | |
01f06b63 | 1089 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
1090 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
1091 | " (def 1024)\n"); | |
a9523c6f | 1092 | printf("\t--warnings-fatal Fio parser warnings are fatal\n"); |
fca70358 | 1093 | printf("\t--max-jobs\tMaximum number of threads/processes to support\n"); |
132159a5 JA |
1094 | printf("\t--server\tStart a backend fio server\n"); |
1095 | printf("\t--client=hostname Talk to remove backend fio server at hostname\n"); | |
1096 | printf("\t--net-port=port\tUse specified port for client/server connection\n"); | |
aa58d252 JA |
1097 | printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); |
1098 | printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); | |
4785f995 JA |
1099 | } |
1100 | ||
79e48f72 | 1101 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 1102 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
1103 | { .name = "process", .shift = FD_PROCESS, }, |
1104 | { .name = "file", .shift = FD_FILE, }, | |
1105 | { .name = "io", .shift = FD_IO, }, | |
1106 | { .name = "mem", .shift = FD_MEM, }, | |
1107 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
1108 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 1109 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 1110 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 1111 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
5e1d306e | 1112 | { .name = "job", .shift = FD_JOB }, |
29adda3c | 1113 | { .name = "mutex", .shift = FD_MUTEX }, |
79d16311 | 1114 | { .name = "profile", .shift = FD_PROFILE }, |
c223da83 | 1115 | { .name = "time", .shift = FD_TIME }, |
eb7976ef | 1116 | { .name = "net", .shift = FD_NET }, |
02444ad1 | 1117 | { .name = NULL, }, |
ee56ad50 JA |
1118 | }; |
1119 | ||
c09823ab | 1120 | static int set_debug(const char *string) |
ee56ad50 JA |
1121 | { |
1122 | struct debug_level *dl; | |
1123 | char *p = (char *) string; | |
1124 | char *opt; | |
1125 | int i; | |
1126 | ||
1127 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
ee56ad50 JA |
1128 | log_info("fio: dumping debug options:"); |
1129 | for (i = 0; debug_levels[i].name; i++) { | |
1130 | dl = &debug_levels[i]; | |
1131 | log_info("%s,", dl->name); | |
1132 | } | |
bd6f78b2 | 1133 | log_info("all\n"); |
c09823ab | 1134 | return 1; |
ee56ad50 JA |
1135 | } |
1136 | ||
1137 | while ((opt = strsep(&p, ",")) != NULL) { | |
1138 | int found = 0; | |
1139 | ||
5e1d306e JA |
1140 | if (!strncmp(opt, "all", 3)) { |
1141 | log_info("fio: set all debug options\n"); | |
1142 | fio_debug = ~0UL; | |
1143 | continue; | |
1144 | } | |
1145 | ||
ee56ad50 JA |
1146 | for (i = 0; debug_levels[i].name; i++) { |
1147 | dl = &debug_levels[i]; | |
5e1d306e JA |
1148 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
1149 | if (!found) | |
1150 | continue; | |
1151 | ||
1152 | if (dl->shift == FD_JOB) { | |
1153 | opt = strchr(opt, ':'); | |
1154 | if (!opt) { | |
1155 | log_err("fio: missing job number\n"); | |
1156 | break; | |
1157 | } | |
1158 | opt++; | |
1159 | fio_debug_jobno = atoi(opt); | |
1160 | log_info("fio: set debug jobno %d\n", | |
1161 | fio_debug_jobno); | |
1162 | } else { | |
ee56ad50 | 1163 | log_info("fio: set debug option %s\n", opt); |
bd6f78b2 | 1164 | fio_debug |= (1UL << dl->shift); |
ee56ad50 | 1165 | } |
5e1d306e | 1166 | break; |
ee56ad50 JA |
1167 | } |
1168 | ||
1169 | if (!found) | |
1170 | log_err("fio: debug mask %s not found\n", opt); | |
1171 | } | |
c09823ab | 1172 | return 0; |
ee56ad50 | 1173 | } |
79e48f72 | 1174 | #else |
69b98d4c | 1175 | static int set_debug(const char *string) |
79e48f72 JA |
1176 | { |
1177 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 1178 | return 1; |
79e48f72 JA |
1179 | } |
1180 | #endif | |
9ac8a797 | 1181 | |
4c6107ff JA |
1182 | static void fio_options_fill_optstring(void) |
1183 | { | |
1184 | char *ostr = cmd_optstr; | |
1185 | int i, c; | |
1186 | ||
1187 | c = i = 0; | |
1188 | while (l_opts[i].name) { | |
1189 | ostr[c++] = l_opts[i].val; | |
1190 | if (l_opts[i].has_arg == required_argument) | |
1191 | ostr[c++] = ':'; | |
1192 | else if (l_opts[i].has_arg == optional_argument) { | |
1193 | ostr[c++] = ':'; | |
1194 | ostr[c++] = ':'; | |
1195 | } | |
1196 | i++; | |
1197 | } | |
1198 | ostr[c] = '\0'; | |
1199 | } | |
1200 | ||
972cfd25 | 1201 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1202 | { |
b4692828 | 1203 | struct thread_data *td = NULL; |
c09823ab | 1204 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
4c6107ff | 1205 | char *ostr = cmd_optstr; |
e46d8091 | 1206 | int daemonize_server = 0; |
ebac4655 | 1207 | |
4c6107ff | 1208 | while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { |
ebac4655 | 1209 | switch (c) { |
2b386d25 JA |
1210 | case 'a': |
1211 | smalloc_pool_size = atoi(optarg); | |
1212 | break; | |
b4692828 | 1213 | case 't': |
ab2cabdb | 1214 | def_thread.o.timeout = atoi(optarg); |
b4692828 JA |
1215 | break; |
1216 | case 'l': | |
1217 | write_lat_log = 1; | |
1218 | break; | |
3d73e5a9 | 1219 | case 'b': |
b4692828 JA |
1220 | write_bw_log = 1; |
1221 | break; | |
1222 | case 'o': | |
1223 | f_out = fopen(optarg, "w+"); | |
1224 | if (!f_out) { | |
1225 | perror("fopen output"); | |
1226 | exit(1); | |
1227 | } | |
1228 | f_err = f_out; | |
1229 | break; | |
1230 | case 'm': | |
1231 | terse_output = 1; | |
1232 | break; | |
1233 | case 'h': | |
45378b35 | 1234 | usage(argv[0]); |
b4692828 | 1235 | exit(0); |
fd28ca49 | 1236 | case 'c': |
214e1eca | 1237 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
1238 | case 's': |
1239 | dump_cmdline = 1; | |
1240 | break; | |
724e4435 JA |
1241 | case 'r': |
1242 | read_only = 1; | |
1243 | break; | |
b4692828 | 1244 | case 'v': |
ca740f4e | 1245 | log_info("%s\n", fio_version_string); |
b4692828 | 1246 | exit(0); |
f57a9c59 JA |
1247 | case 'V': |
1248 | terse_version = atoi(optarg); | |
1249 | if (terse_version != 2) { | |
1250 | log_err("fio: bad terse version format\n"); | |
1251 | exit_val = 1; | |
1252 | do_exit++; | |
1253 | } | |
1254 | break; | |
e592a06b AC |
1255 | case 'e': |
1256 | if (!strcmp("always", optarg)) | |
1257 | eta_print = FIO_ETA_ALWAYS; | |
1258 | else if (!strcmp("never", optarg)) | |
1259 | eta_print = FIO_ETA_NEVER; | |
1260 | break; | |
ee56ad50 | 1261 | case 'd': |
c09823ab JA |
1262 | if (set_debug(optarg)) |
1263 | do_exit++; | |
ee56ad50 | 1264 | break; |
ad0a2735 JA |
1265 | case 'x': { |
1266 | size_t new_size; | |
1267 | ||
01f06b63 | 1268 | if (!strcmp(optarg, "global")) { |
5ec10eaa JA |
1269 | log_err("fio: can't use global as only " |
1270 | "section\n"); | |
c09823ab JA |
1271 | do_exit++; |
1272 | exit_val = 1; | |
01f06b63 JA |
1273 | break; |
1274 | } | |
ad0a2735 JA |
1275 | new_size = (nr_job_sections + 1) * sizeof(char *); |
1276 | job_sections = realloc(job_sections, new_size); | |
1277 | job_sections[nr_job_sections] = strdup(optarg); | |
1278 | nr_job_sections++; | |
01f06b63 | 1279 | break; |
ad0a2735 | 1280 | } |
9ac8a797 | 1281 | case 'p': |
07b3232d | 1282 | exec_profile = strdup(optarg); |
9ac8a797 | 1283 | break; |
b4692828 | 1284 | case FIO_GETOPT_JOB: { |
5ec10eaa | 1285 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
1286 | char *val = optarg; |
1287 | ||
c2b1e753 | 1288 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 1289 | ret = add_job(td, td->o.name ?: "fio", 0); |
66251554 | 1290 | if (ret) |
c2b1e753 | 1291 | return 0; |
c2b1e753 JA |
1292 | td = NULL; |
1293 | } | |
b4692828 | 1294 | if (!td) { |
01f06b63 | 1295 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
1296 | int global = 0; |
1297 | ||
01f06b63 | 1298 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 1299 | global = 1; |
c2b1e753 | 1300 | |
01f06b63 JA |
1301 | if (is_section && skip_this_section(val)) |
1302 | continue; | |
1303 | ||
c2b1e753 | 1304 | td = get_new_job(global, &def_thread); |
b4692828 JA |
1305 | if (!td) |
1306 | return 0; | |
1307 | } | |
38d0adb0 | 1308 | |
214e1eca | 1309 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
1310 | break; |
1311 | } | |
a9523c6f JA |
1312 | case 'w': |
1313 | warnings_fatal = 1; | |
1314 | break; | |
fca70358 JA |
1315 | case 'j': |
1316 | max_jobs = atoi(optarg); | |
1317 | if (!max_jobs || max_jobs > REAL_MAX_JOBS) { | |
1318 | log_err("fio: invalid max jobs: %d\n", max_jobs); | |
1319 | do_exit++; | |
1320 | exit_val = 1; | |
1321 | } | |
1322 | break; | |
50d16976 | 1323 | case 'S': |
a37f69b7 | 1324 | if (nr_clients) { |
132159a5 JA |
1325 | log_err("fio: can't be both client and server\n"); |
1326 | do_exit++; | |
1327 | exit_val = 1; | |
1328 | break; | |
1329 | } | |
50d16976 JA |
1330 | is_backend = 1; |
1331 | break; | |
e46d8091 JA |
1332 | case 'D': |
1333 | daemonize_server = 1; | |
1334 | break; | |
132159a5 JA |
1335 | case 'P': |
1336 | fio_net_port = atoi(optarg); | |
1337 | break; | |
1338 | case 'C': | |
1339 | if (is_backend) { | |
1340 | log_err("fio: can't be both client and server\n"); | |
1341 | do_exit++; | |
1342 | exit_val = 1; | |
1343 | break; | |
1344 | } | |
a37f69b7 | 1345 | fio_client_add(optarg); |
132159a5 | 1346 | break; |
b4692828 | 1347 | default: |
c09823ab JA |
1348 | do_exit++; |
1349 | exit_val = 1; | |
b4692828 | 1350 | break; |
ebac4655 | 1351 | } |
c7d5c941 JA |
1352 | if (do_exit) |
1353 | break; | |
ebac4655 | 1354 | } |
c9fad893 | 1355 | |
c09823ab JA |
1356 | if (do_exit) |
1357 | exit(exit_val); | |
536582bf | 1358 | |
a37f69b7 | 1359 | if (nr_clients && fio_clients_connect()) { |
132159a5 JA |
1360 | do_exit++; |
1361 | exit_val = 1; | |
cdf54d85 | 1362 | return -1; |
132159a5 JA |
1363 | } |
1364 | ||
50d16976 | 1365 | if (is_backend) |
e46d8091 | 1366 | return fio_start_server(daemonize_server); |
50d16976 | 1367 | |
b4692828 | 1368 | if (td) { |
7d6a8904 | 1369 | if (!ret) |
2dc1bbeb | 1370 | ret = add_job(td, td->o.name ?: "fio", 0); |
972cfd25 | 1371 | } |
774a6177 | 1372 | |
b4692828 JA |
1373 | while (optind < argc) { |
1374 | ini_idx++; | |
1375 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1376 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1377 | optind++; | |
eb8bbf48 | 1378 | } |
972cfd25 JA |
1379 | |
1380 | return ini_idx; | |
ebac4655 JA |
1381 | } |
1382 | ||
ebac4655 JA |
1383 | int parse_options(int argc, char *argv[]) |
1384 | { | |
972cfd25 JA |
1385 | int job_files, i; |
1386 | ||
b4692828 JA |
1387 | f_out = stdout; |
1388 | f_err = stderr; | |
1389 | ||
4c6107ff | 1390 | fio_options_fill_optstring(); |
5ec10eaa | 1391 | fio_options_dup_and_init(l_opts); |
b4692828 | 1392 | |
9d9eb2e7 JA |
1393 | atexit(free_shm); |
1394 | ||
ebac4655 JA |
1395 | if (fill_def_thread()) |
1396 | return 1; | |
1397 | ||
972cfd25 | 1398 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1399 | |
cdf54d85 JA |
1400 | if (job_files > 0) { |
1401 | for (i = 0; i < job_files; i++) { | |
1402 | if (fill_def_thread()) | |
132159a5 | 1403 | return 1; |
cdf54d85 JA |
1404 | if (nr_clients) { |
1405 | if (fio_clients_send_ini(ini_file[i])) | |
1406 | return 1; | |
1407 | free(ini_file[i]); | |
1408 | } else if (!is_backend) { | |
1409 | if (parse_jobs_ini(ini_file[i], 0, i)) | |
1410 | return 1; | |
1411 | free(ini_file[i]); | |
1412 | } | |
132159a5 | 1413 | } |
972cfd25 | 1414 | } |
ebac4655 | 1415 | |
88c6ed80 | 1416 | free(ini_file); |
d23bb327 | 1417 | options_mem_free(&def_thread); |
b4692828 JA |
1418 | |
1419 | if (!thread_number) { | |
cca73aa7 JA |
1420 | if (dump_cmdline) |
1421 | return 0; | |
07b3232d JA |
1422 | if (exec_profile) |
1423 | return 0; | |
a37f69b7 | 1424 | if (is_backend || nr_clients) |
5c341e9a | 1425 | return 0; |
cca73aa7 | 1426 | |
cdf54d85 JA |
1427 | if (job_files > 0) { |
1428 | log_err("No jobs(s) defined\n\n"); | |
1429 | usage(argv[0]); | |
1430 | } | |
b4692828 JA |
1431 | return 1; |
1432 | } | |
1433 | ||
be4ecfdf JA |
1434 | if (def_thread.o.gtod_offload) { |
1435 | fio_gtod_init(); | |
1436 | fio_gtod_offload = 1; | |
1437 | fio_gtod_cpu = def_thread.o.gtod_cpu; | |
1438 | } | |
1439 | ||
ca740f4e | 1440 | log_info("%s\n", fio_version_string); |
ebac4655 JA |
1441 | return 0; |
1442 | } |