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 | ||
81179eec JA |
26 | #if FIO_PATCH > 0 |
27 | static char fio_version_string[] = __fio_stringify(FIO_MAJOR) "." \ | |
28 | __fio_stringify(FIO_MINOR) "." \ | |
29 | __fio_stringify(FIO_PATCH); | |
30 | #else | |
31 | static char fio_version_string[] = __fio_stringify(FIO_MAJOR) "." \ | |
32 | __fio_stringify(FIO_MINOR); | |
33 | #endif | |
214e1eca | 34 | |
ee738499 | 35 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 36 | |
214e1eca | 37 | static char **ini_file; |
fca70358 | 38 | static int max_jobs = FIO_MAX_JOBS; |
cca73aa7 | 39 | static int dump_cmdline; |
e1f36503 | 40 | |
be4ecfdf | 41 | static struct thread_data def_thread; |
214e1eca | 42 | struct thread_data *threads = NULL; |
e1f36503 | 43 | |
214e1eca JA |
44 | int exitall_on_terminate = 0; |
45 | int terse_output = 0; | |
e592a06b | 46 | int eta_print; |
214e1eca JA |
47 | unsigned long long mlock_size = 0; |
48 | FILE *f_out = NULL; | |
49 | FILE *f_err = NULL; | |
ad0a2735 JA |
50 | char **job_sections = NULL; |
51 | int nr_job_sections = 0; | |
07b3232d | 52 | char *exec_profile = NULL; |
a9523c6f | 53 | int warnings_fatal = 0; |
f57a9c59 | 54 | int terse_version = 2; |
50d16976 | 55 | int is_backend = 0; |
a37f69b7 | 56 | int nr_clients = 0; |
e46d8091 | 57 | int log_syslog = 0; |
ee738499 | 58 | |
214e1eca | 59 | int write_bw_log = 0; |
4241ea8f | 60 | int read_only = 0; |
214e1eca | 61 | |
5ec10eaa | 62 | static int write_lat_log; |
e1f36503 | 63 | |
214e1eca | 64 | static int prev_group_jobs; |
b4692828 | 65 | |
ee56ad50 | 66 | unsigned long fio_debug = 0; |
5e1d306e JA |
67 | unsigned int fio_debug_jobno = -1; |
68 | unsigned int *fio_debug_jobp = NULL; | |
ee56ad50 | 69 | |
4c6107ff JA |
70 | static char cmd_optstr[256]; |
71 | ||
b4692828 JA |
72 | /* |
73 | * Command line options. These will contain the above, plus a few | |
74 | * extra that only pertain to fio itself and not jobs. | |
75 | */ | |
5ec10eaa | 76 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 | 77 | { |
08d2a19c | 78 | .name = (char *) "output", |
b4692828 JA |
79 | .has_arg = required_argument, |
80 | .val = 'o', | |
81 | }, | |
82 | { | |
08d2a19c | 83 | .name = (char *) "timeout", |
b4692828 JA |
84 | .has_arg = required_argument, |
85 | .val = 't', | |
86 | }, | |
87 | { | |
08d2a19c | 88 | .name = (char *) "latency-log", |
b4692828 JA |
89 | .has_arg = required_argument, |
90 | .val = 'l', | |
91 | }, | |
92 | { | |
08d2a19c | 93 | .name = (char *) "bandwidth-log", |
b4692828 JA |
94 | .has_arg = required_argument, |
95 | .val = 'b', | |
96 | }, | |
97 | { | |
08d2a19c | 98 | .name = (char *) "minimal", |
b4692828 JA |
99 | .has_arg = optional_argument, |
100 | .val = 'm', | |
101 | }, | |
102 | { | |
08d2a19c | 103 | .name = (char *) "version", |
b4692828 JA |
104 | .has_arg = no_argument, |
105 | .val = 'v', | |
106 | }, | |
fd28ca49 | 107 | { |
08d2a19c | 108 | .name = (char *) "help", |
fd28ca49 JA |
109 | .has_arg = no_argument, |
110 | .val = 'h', | |
111 | }, | |
112 | { | |
08d2a19c | 113 | .name = (char *) "cmdhelp", |
320beefe | 114 | .has_arg = optional_argument, |
fd28ca49 JA |
115 | .val = 'c', |
116 | }, | |
cca73aa7 | 117 | { |
08d2a19c | 118 | .name = (char *) "showcmd", |
cca73aa7 | 119 | .has_arg = no_argument, |
724e4435 JA |
120 | .val = 's', |
121 | }, | |
122 | { | |
08d2a19c | 123 | .name = (char *) "readonly", |
724e4435 JA |
124 | .has_arg = no_argument, |
125 | .val = 'r', | |
cca73aa7 | 126 | }, |
e592a06b | 127 | { |
08d2a19c | 128 | .name = (char *) "eta", |
e592a06b AC |
129 | .has_arg = required_argument, |
130 | .val = 'e', | |
131 | }, | |
ee56ad50 | 132 | { |
08d2a19c | 133 | .name = (char *) "debug", |
ee56ad50 JA |
134 | .has_arg = required_argument, |
135 | .val = 'd', | |
136 | }, | |
01f06b63 | 137 | { |
08d2a19c | 138 | .name = (char *) "section", |
01f06b63 JA |
139 | .has_arg = required_argument, |
140 | .val = 'x', | |
141 | }, | |
2b386d25 | 142 | { |
08d2a19c | 143 | .name = (char *) "alloc-size", |
2b386d25 JA |
144 | .has_arg = required_argument, |
145 | .val = 'a', | |
146 | }, | |
9ac8a797 | 147 | { |
08d2a19c | 148 | .name = (char *) "profile", |
9ac8a797 JA |
149 | .has_arg = required_argument, |
150 | .val = 'p', | |
151 | }, | |
a9523c6f | 152 | { |
08d2a19c | 153 | .name = (char *) "warnings-fatal", |
a9523c6f JA |
154 | .has_arg = no_argument, |
155 | .val = 'w', | |
156 | }, | |
fca70358 JA |
157 | { |
158 | .name = (char *) "max-jobs", | |
159 | .has_arg = required_argument, | |
160 | .val = 'j', | |
161 | }, | |
f57a9c59 JA |
162 | { |
163 | .name = (char *) "terse-version", | |
164 | .has_arg = required_argument, | |
165 | .val = 'V', | |
166 | }, | |
50d16976 JA |
167 | { |
168 | .name = (char *) "server", | |
169 | .has_arg = no_argument, | |
170 | .val = 'S', | |
171 | }, | |
e46d8091 JA |
172 | { .name = (char *) "daemonize", |
173 | .has_arg = no_argument, | |
174 | .val = 'D', | |
175 | }, | |
132159a5 JA |
176 | { |
177 | .name = (char *) "net-port", | |
178 | .has_arg = required_argument, | |
179 | .val = 'P', | |
180 | }, | |
181 | { | |
182 | .name = (char *) "client", | |
183 | .has_arg = required_argument, | |
184 | .val = 'C', | |
185 | }, | |
b4692828 JA |
186 | { |
187 | .name = NULL, | |
188 | }, | |
189 | }; | |
190 | ||
9d9eb2e7 JA |
191 | static void free_shm(void) |
192 | { | |
193 | struct shmid_ds sbuf; | |
194 | ||
195 | if (threads) { | |
196 | void *tp = threads; | |
197 | ||
198 | threads = NULL; | |
199 | file_hash_exit(); | |
200 | fio_debug_jobp = NULL; | |
201 | shmdt(tp); | |
202 | shmctl(shm_id, IPC_RMID, &sbuf); | |
203 | } | |
204 | ||
205 | scleanup(); | |
206 | } | |
207 | ||
208 | /* | |
209 | * The thread area is shared between the main process and the job | |
210 | * threads/processes. So setup a shared memory segment that will hold | |
211 | * all the job info. We use the end of the region for keeping track of | |
212 | * open files across jobs, for file sharing. | |
213 | */ | |
214 | static int setup_thread_area(void) | |
215 | { | |
216 | void *hash; | |
217 | ||
218 | if (threads) | |
219 | return 0; | |
220 | ||
221 | /* | |
222 | * 1024 is too much on some machines, scale max_jobs if | |
223 | * we get a failure that looks like too large a shm segment | |
224 | */ | |
225 | do { | |
226 | size_t size = max_jobs * sizeof(struct thread_data); | |
227 | ||
228 | size += file_hash_size; | |
229 | size += sizeof(unsigned int); | |
230 | ||
231 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
232 | if (shm_id != -1) | |
233 | break; | |
234 | if (errno != EINVAL) { | |
235 | perror("shmget"); | |
236 | break; | |
237 | } | |
238 | ||
239 | max_jobs >>= 1; | |
240 | } while (max_jobs); | |
241 | ||
242 | if (shm_id == -1) | |
243 | return 1; | |
244 | ||
245 | threads = shmat(shm_id, NULL, 0); | |
246 | if (threads == (void *) -1) { | |
247 | perror("shmat"); | |
248 | return 1; | |
249 | } | |
250 | ||
251 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); | |
252 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); | |
253 | fio_debug_jobp = (void *) hash + file_hash_size; | |
254 | *fio_debug_jobp = -1; | |
255 | file_hash_init(hash); | |
256 | return 0; | |
257 | } | |
258 | ||
906c8d75 JA |
259 | /* |
260 | * Return a free job structure. | |
261 | */ | |
ebac4655 JA |
262 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
263 | { | |
264 | struct thread_data *td; | |
265 | ||
266 | if (global) | |
267 | return &def_thread; | |
9d9eb2e7 JA |
268 | if (setup_thread_area()) { |
269 | log_err("error: failed to setup shm segment\n"); | |
270 | return NULL; | |
271 | } | |
e61f1ec8 BC |
272 | if (thread_number >= max_jobs) { |
273 | log_err("error: maximum number of jobs (%d) reached.\n", | |
274 | max_jobs); | |
ebac4655 | 275 | return NULL; |
e61f1ec8 | 276 | } |
ebac4655 JA |
277 | |
278 | td = &threads[thread_number++]; | |
ddaeaa5a | 279 | *td = *parent; |
ebac4655 | 280 | |
e0b0d892 JA |
281 | td->o.uid = td->o.gid = -1U; |
282 | ||
cade3ef4 | 283 | dup_files(td, parent); |
d23bb327 | 284 | options_mem_dupe(td); |
cade3ef4 | 285 | |
15dc1934 JA |
286 | profile_add_hooks(td); |
287 | ||
ebac4655 | 288 | td->thread_number = thread_number; |
ebac4655 JA |
289 | return td; |
290 | } | |
291 | ||
292 | static void put_job(struct thread_data *td) | |
293 | { | |
549577a7 JA |
294 | if (td == &def_thread) |
295 | return; | |
84dd1886 | 296 | |
58c55ba0 | 297 | profile_td_exit(td); |
549577a7 | 298 | |
16edf25d | 299 | if (td->error) |
6d86144d | 300 | log_info("fio: %s\n", td->verror); |
16edf25d | 301 | |
ebac4655 JA |
302 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
303 | thread_number--; | |
304 | } | |
305 | ||
581e7141 | 306 | static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
127f6865 | 307 | { |
581e7141 | 308 | unsigned int bs = td->o.min_bs[ddir]; |
ba3e4e0c | 309 | unsigned long long bytes_per_sec; |
127f6865 | 310 | |
ff58fced JA |
311 | assert(ddir_rw(ddir)); |
312 | ||
ba3e4e0c RR |
313 | if (td->o.rate[ddir]) |
314 | bytes_per_sec = td->o.rate[ddir]; | |
315 | else | |
316 | bytes_per_sec = td->o.rate_iops[ddir] * bs; | |
127f6865 | 317 | |
ba3e4e0c | 318 | if (!bytes_per_sec) { |
127f6865 JA |
319 | log_err("rate lower than supported\n"); |
320 | return -1; | |
321 | } | |
322 | ||
ba3e4e0c | 323 | td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec; |
581e7141 | 324 | td->rate_pending_usleep[ddir] = 0; |
127f6865 JA |
325 | return 0; |
326 | } | |
327 | ||
581e7141 JA |
328 | static int setup_rate(struct thread_data *td) |
329 | { | |
330 | int ret = 0; | |
331 | ||
332 | if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) | |
333 | ret = __setup_rate(td, DDIR_READ); | |
334 | if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) | |
335 | ret |= __setup_rate(td, DDIR_WRITE); | |
336 | ||
337 | return ret; | |
338 | } | |
339 | ||
8347239a JA |
340 | static int fixed_block_size(struct thread_options *o) |
341 | { | |
342 | return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && | |
343 | o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && | |
344 | o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; | |
345 | } | |
346 | ||
dad915e3 JA |
347 | /* |
348 | * Lazy way of fixing up options that depend on each other. We could also | |
349 | * define option callback handlers, but this is easier. | |
350 | */ | |
4e991c23 | 351 | static int fixup_options(struct thread_data *td) |
e1f36503 | 352 | { |
2dc1bbeb | 353 | struct thread_options *o = &td->o; |
ff217451 | 354 | int ret = 0; |
dad915e3 | 355 | |
f356d01d | 356 | #ifndef FIO_HAVE_PSHARED_MUTEX |
9bbf57cc | 357 | if (!o->use_thread) { |
f356d01d JA |
358 | log_info("fio: this platform does not support process shared" |
359 | " mutexes, forcing use of threads. Use the 'thread'" | |
360 | " option to get rid of this warning.\n"); | |
9bbf57cc | 361 | o->use_thread = 1; |
a9523c6f | 362 | ret = warnings_fatal; |
f356d01d JA |
363 | } |
364 | #endif | |
365 | ||
2dc1bbeb | 366 | if (o->write_iolog_file && o->read_iolog_file) { |
076efc7c | 367 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
368 | free(o->write_iolog_file); |
369 | o->write_iolog_file = NULL; | |
a9523c6f | 370 | ret = warnings_fatal; |
076efc7c | 371 | } |
16b462ae | 372 | |
16b462ae JA |
373 | /* |
374 | * only really works for sequential io for now, and with 1 file | |
375 | */ | |
2dc1bbeb JA |
376 | if (o->zone_size && td_random(td) && o->open_files == 1) |
377 | o->zone_size = 0; | |
16b462ae JA |
378 | |
379 | /* | |
380 | * Reads can do overwrites, we always need to pre-create the file | |
381 | */ | |
382 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 383 | o->overwrite = 1; |
16b462ae | 384 | |
2dc1bbeb | 385 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 386 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
387 | if (!o->max_bs[DDIR_READ]) |
388 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
389 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 390 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
391 | if (!o->max_bs[DDIR_WRITE]) |
392 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 393 | |
2dc1bbeb | 394 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 395 | |
2b7a01d0 JA |
396 | /* |
397 | * For random IO, allow blockalign offset other than min_bs. | |
398 | */ | |
399 | if (!o->ba[DDIR_READ] || !td_random(td)) | |
400 | o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; | |
401 | if (!o->ba[DDIR_WRITE] || !td_random(td)) | |
402 | o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; | |
403 | ||
404 | if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || | |
405 | o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && | |
9bbf57cc | 406 | !o->norandommap) { |
2b7a01d0 | 407 | log_err("fio: Any use of blockalign= turns off randommap\n"); |
9bbf57cc | 408 | o->norandommap = 1; |
a9523c6f | 409 | ret = warnings_fatal; |
2b7a01d0 JA |
410 | } |
411 | ||
2dc1bbeb JA |
412 | if (!o->file_size_high) |
413 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 414 | |
8347239a JA |
415 | if (o->norandommap && o->verify != VERIFY_NONE |
416 | && !fixed_block_size(o)) { | |
417 | log_err("fio: norandommap given for variable block sizes, " | |
418 | "verify disabled\n"); | |
2dc1bbeb | 419 | o->verify = VERIFY_NONE; |
a9523c6f | 420 | ret = warnings_fatal; |
bb8895e0 | 421 | } |
2dc1bbeb | 422 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 423 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 424 | |
48097d5c JA |
425 | /* |
426 | * thinktime_spin must be less than thinktime | |
427 | */ | |
2dc1bbeb JA |
428 | if (o->thinktime_spin > o->thinktime) |
429 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
430 | |
431 | /* | |
432 | * The low water mark cannot be bigger than the iodepth | |
433 | */ | |
2dc1bbeb | 434 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
435 | /* |
436 | * syslet work around - if the workload is sequential, | |
437 | * we want to let the queue drain all the way down to | |
438 | * avoid seeking between async threads | |
439 | */ | |
440 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 441 | o->iodepth_low = 1; |
9467b77c | 442 | else |
2dc1bbeb | 443 | o->iodepth_low = o->iodepth; |
9467b77c | 444 | } |
cb5ab512 JA |
445 | |
446 | /* | |
447 | * If batch number isn't set, default to the same as iodepth | |
448 | */ | |
2dc1bbeb JA |
449 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
450 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 451 | |
2dc1bbeb JA |
452 | if (o->nr_files > td->files_index) |
453 | o->nr_files = td->files_index; | |
9f9214f2 | 454 | |
2dc1bbeb JA |
455 | if (o->open_files > o->nr_files || !o->open_files) |
456 | o->open_files = o->nr_files; | |
4e991c23 | 457 | |
581e7141 JA |
458 | if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| |
459 | ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + | |
460 | o->rate_iops_min[1]))) { | |
4e991c23 | 461 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
a9523c6f | 462 | ret = 1; |
4e991c23 | 463 | } |
581e7141 JA |
464 | if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || |
465 | (o->rate_iops[0] < o->rate_iops_min[0]) || | |
466 | (o->rate_iops[1] < o->rate_iops_min[1])) { | |
4e991c23 | 467 | log_err("fio: minimum rate exceeds rate\n"); |
a9523c6f | 468 | ret = 1; |
4e991c23 JA |
469 | } |
470 | ||
cf4464ca JA |
471 | if (!o->timeout && o->time_based) { |
472 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
473 | o->time_based = 0; | |
a9523c6f | 474 | ret = warnings_fatal; |
cf4464ca JA |
475 | } |
476 | ||
aa31f1f1 | 477 | if (o->fill_device && !o->size) |
5921e80c | 478 | o->size = -1ULL; |
5ec10eaa | 479 | |
9bbf57cc | 480 | if (o->verify != VERIFY_NONE) { |
996936f9 | 481 | if (td_write(td) && o->do_verify && o->numjobs > 1) { |
a9523c6f JA |
482 | log_info("Multiple writers may overwrite blocks that " |
483 | "belong to other jobs. This can cause " | |
484 | "verification failures.\n"); | |
485 | ret = warnings_fatal; | |
486 | } | |
487 | ||
9bbf57cc | 488 | o->refill_buffers = 1; |
2f1b8e8b JA |
489 | if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
490 | !o->verify_interval) | |
491 | o->verify_interval = o->min_bs[DDIR_WRITE]; | |
d990588e | 492 | } |
41ccd845 | 493 | |
9bbf57cc JA |
494 | if (o->pre_read) { |
495 | o->invalidate_cache = 0; | |
a9523c6f | 496 | if (td->io_ops->flags & FIO_PIPEIO) { |
9c0d2241 JA |
497 | log_info("fio: cannot pre-read files with an IO engine" |
498 | " that isn't seekable. Pre-read disabled.\n"); | |
a9523c6f JA |
499 | ret = warnings_fatal; |
500 | } | |
9c0d2241 | 501 | } |
34f1c044 | 502 | |
e72fa4d4 | 503 | #ifndef FIO_HAVE_FDATASYNC |
9bbf57cc | 504 | if (o->fdatasync_blocks) { |
e72fa4d4 JA |
505 | log_info("fio: this platform does not support fdatasync()" |
506 | " falling back to using fsync(). Use the 'fsync'" | |
507 | " option instead of 'fdatasync' to get rid of" | |
508 | " this warning\n"); | |
9bbf57cc JA |
509 | o->fsync_blocks = o->fdatasync_blocks; |
510 | o->fdatasync_blocks = 0; | |
a9523c6f | 511 | ret = warnings_fatal; |
e72fa4d4 JA |
512 | } |
513 | #endif | |
514 | ||
a9523c6f | 515 | return ret; |
e1f36503 JA |
516 | } |
517 | ||
f8977ee6 JA |
518 | /* |
519 | * This function leaks the buffer | |
520 | */ | |
521 | static char *to_kmg(unsigned int val) | |
522 | { | |
523 | char *buf = malloc(32); | |
f3502ba2 | 524 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
525 | char *p = post; |
526 | ||
245142ff | 527 | do { |
f8977ee6 JA |
528 | if (val & 1023) |
529 | break; | |
530 | ||
531 | val >>= 10; | |
532 | p++; | |
245142ff | 533 | } while (*p); |
f8977ee6 JA |
534 | |
535 | snprintf(buf, 31, "%u%c", val, *p); | |
536 | return buf; | |
537 | } | |
538 | ||
09629a90 JA |
539 | /* External engines are specified by "external:name.o") */ |
540 | static const char *get_engine_name(const char *str) | |
541 | { | |
542 | char *p = strstr(str, ":"); | |
543 | ||
544 | if (!p) | |
545 | return str; | |
546 | ||
547 | p++; | |
548 | strip_blank_front(&p); | |
549 | strip_blank_end(p); | |
550 | return p; | |
551 | } | |
552 | ||
e132cbae JA |
553 | static int exists_and_not_file(const char *filename) |
554 | { | |
555 | struct stat sb; | |
556 | ||
557 | if (lstat(filename, &sb) == -1) | |
558 | return 0; | |
559 | ||
ecc314ba BC |
560 | /* \\.\ is the device namespace in Windows, where every file |
561 | * is a device node */ | |
562 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
e132cbae JA |
563 | return 0; |
564 | ||
565 | return 1; | |
566 | } | |
567 | ||
4c07ad86 | 568 | static void td_fill_rand_seeds_os(struct thread_data *td) |
5bfc35d7 JA |
569 | { |
570 | os_random_seed(td->rand_seeds[0], &td->bsrange_state); | |
571 | os_random_seed(td->rand_seeds[1], &td->verify_state); | |
572 | os_random_seed(td->rand_seeds[2], &td->rwmix_state); | |
573 | ||
574 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
575 | os_random_seed(td->rand_seeds[3], &td->next_file_state); | |
576 | ||
577 | os_random_seed(td->rand_seeds[5], &td->file_size_state); | |
0d29de83 | 578 | os_random_seed(td->rand_seeds[6], &td->trim_state); |
5bfc35d7 JA |
579 | |
580 | if (!td_random(td)) | |
581 | return; | |
582 | ||
583 | if (td->o.rand_repeatable) | |
584 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
585 | ||
586 | os_random_seed(td->rand_seeds[4], &td->random_state); | |
4c07ad86 JA |
587 | } |
588 | ||
589 | static void td_fill_rand_seeds_internal(struct thread_data *td) | |
590 | { | |
591 | init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); | |
592 | init_rand_seed(&td->__verify_state, td->rand_seeds[1]); | |
593 | init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); | |
594 | ||
595 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
596 | init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); | |
597 | ||
598 | init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); | |
599 | init_rand_seed(&td->__trim_state, td->rand_seeds[6]); | |
600 | ||
601 | if (!td_random(td)) | |
602 | return; | |
603 | ||
604 | if (td->o.rand_repeatable) | |
605 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
606 | ||
2615cc4b | 607 | init_rand_seed(&td->__random_state, td->rand_seeds[4]); |
5bfc35d7 JA |
608 | } |
609 | ||
4c07ad86 JA |
610 | void td_fill_rand_seeds(struct thread_data *td) |
611 | { | |
612 | if (td->o.use_os_rand) | |
613 | td_fill_rand_seeds_os(td); | |
614 | else | |
615 | td_fill_rand_seeds_internal(td); | |
3545a109 JA |
616 | |
617 | init_rand_seed(&td->buf_state, td->rand_seeds[7]); | |
4c07ad86 JA |
618 | } |
619 | ||
9c60ce64 JA |
620 | /* |
621 | * Initialize the various random states we need (random io, block size ranges, | |
622 | * read/write mix, etc). | |
623 | */ | |
624 | static int init_random_state(struct thread_data *td) | |
625 | { | |
68727076 | 626 | int fd; |
9c60ce64 JA |
627 | |
628 | fd = open("/dev/urandom", O_RDONLY); | |
629 | if (fd == -1) { | |
630 | td_verror(td, errno, "open"); | |
631 | return 1; | |
632 | } | |
633 | ||
5bfc35d7 JA |
634 | if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) < |
635 | (int) sizeof(td->rand_seeds)) { | |
9c60ce64 JA |
636 | td_verror(td, EIO, "read"); |
637 | close(fd); | |
638 | return 1; | |
639 | } | |
640 | ||
641 | close(fd); | |
5bfc35d7 | 642 | td_fill_rand_seeds(td); |
9c60ce64 JA |
643 | return 0; |
644 | } | |
645 | ||
906c8d75 JA |
646 | /* |
647 | * Adds a job to the list of things todo. Sanitizes the various options | |
648 | * to make sure we don't have conflicts, and initializes various | |
649 | * members of td. | |
650 | */ | |
75154845 | 651 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 652 | { |
413dd459 JA |
653 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
654 | "randread", "randwrite", "randrw" }; | |
af52b345 | 655 | unsigned int i; |
09629a90 | 656 | const char *engine; |
af52b345 | 657 | char fname[PATH_MAX]; |
e132cbae | 658 | int numjobs, file_alloced; |
ebac4655 | 659 | |
ebac4655 JA |
660 | /* |
661 | * the def_thread is just for options, it's not a real job | |
662 | */ | |
663 | if (td == &def_thread) | |
664 | return 0; | |
665 | ||
cca73aa7 JA |
666 | /* |
667 | * if we are just dumping the output command line, don't add the job | |
668 | */ | |
669 | if (dump_cmdline) { | |
670 | put_job(td); | |
671 | return 0; | |
672 | } | |
673 | ||
58c55ba0 | 674 | if (profile_td_init(td)) |
66251554 | 675 | goto err; |
58c55ba0 | 676 | |
2dc1bbeb | 677 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
678 | td->io_ops = load_ioengine(td, engine); |
679 | if (!td->io_ops) { | |
680 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 681 | goto err; |
09629a90 | 682 | } |
df64119d | 683 | |
2dc1bbeb | 684 | if (td->o.use_thread) |
9cedf167 JA |
685 | nr_thread++; |
686 | else | |
687 | nr_process++; | |
688 | ||
2dc1bbeb | 689 | if (td->o.odirect) |
690adba3 JA |
690 | td->io_ops->flags |= FIO_RAWIO; |
691 | ||
e132cbae | 692 | file_alloced = 0; |
691c8fb0 | 693 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 694 | file_alloced = 1; |
80be24f4 | 695 | |
2dc1bbeb | 696 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 697 | add_file(td, jobname); |
7b05a215 | 698 | else { |
2dc1bbeb | 699 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
700 | sprintf(fname, "%s.%d.%d", jobname, |
701 | td->thread_number, i); | |
7b05a215 JA |
702 | add_file(td, fname); |
703 | } | |
af52b345 | 704 | } |
0af7b542 | 705 | } |
ebac4655 | 706 | |
4e991c23 JA |
707 | if (fixup_options(td)) |
708 | goto err; | |
e0a22335 | 709 | |
07eb79df JA |
710 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
711 | struct fio_file *f; | |
712 | ||
713 | for_each_file(td, f, i) | |
714 | f->real_file_size = -1ULL; | |
715 | } | |
716 | ||
cdd18ad8 | 717 | td->mutex = fio_mutex_init(0); |
ebac4655 | 718 | |
83349190 YH |
719 | td->ts.clat_percentiles = td->o.clat_percentiles; |
720 | if (td->o.overwrite_plist) | |
721 | td->ts.percentile_list = td->o.percentile_list; | |
722 | else | |
723 | td->ts.percentile_list = NULL; | |
724 | ||
756867bd JA |
725 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
726 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
02af0988 | 727 | td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX; |
756867bd | 728 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; |
cdd5411e | 729 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
ebac4655 | 730 | |
755c3189 | 731 | if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { |
3c5df6fa | 732 | prev_group_jobs = 0; |
ebac4655 | 733 | groupid++; |
3c5df6fa | 734 | } |
ebac4655 JA |
735 | |
736 | td->groupid = groupid; | |
3c5df6fa | 737 | prev_group_jobs++; |
ebac4655 | 738 | |
9c60ce64 JA |
739 | if (init_random_state(td)) |
740 | goto err; | |
741 | ||
ebac4655 JA |
742 | if (setup_rate(td)) |
743 | goto err; | |
744 | ||
2dc1bbeb | 745 | if (td->o.write_lat_log) { |
7b9f733a JA |
746 | setup_log(&td->lat_log); |
747 | setup_log(&td->slat_log); | |
748 | setup_log(&td->clat_log); | |
ebac4655 | 749 | } |
2dc1bbeb | 750 | if (td->o.write_bw_log) |
7b9f733a | 751 | setup_log(&td->bw_log); |
ebac4655 | 752 | |
2dc1bbeb JA |
753 | if (!td->o.name) |
754 | td->o.name = strdup(jobname); | |
01452055 | 755 | |
c6ae0a5b | 756 | if (!terse_output) { |
b990b5c0 | 757 | if (!job_add_num) { |
5ec10eaa JA |
758 | if (!strcmp(td->io_ops->name, "cpuio")) { |
759 | log_info("%s: ioengine=cpu, cpuload=%u," | |
760 | " cpucycle=%u\n", td->o.name, | |
761 | td->o.cpuload, | |
762 | td->o.cpucycle); | |
763 | } else { | |
f8977ee6 JA |
764 | char *c1, *c2, *c3, *c4; |
765 | ||
2dc1bbeb JA |
766 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
767 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
768 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
769 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 770 | |
5ec10eaa JA |
771 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
772 | " ioengine=%s, iodepth=%u\n", | |
773 | td->o.name, td->groupid, | |
774 | ddir_str[td->o.td_ddir], | |
775 | c1, c2, c3, c4, | |
776 | td->io_ops->name, | |
777 | td->o.iodepth); | |
f8977ee6 JA |
778 | |
779 | free(c1); | |
780 | free(c2); | |
781 | free(c3); | |
782 | free(c4); | |
783 | } | |
b990b5c0 | 784 | } else if (job_add_num == 1) |
6d86144d | 785 | log_info("...\n"); |
c6ae0a5b | 786 | } |
ebac4655 JA |
787 | |
788 | /* | |
789 | * recurse add identical jobs, clear numjobs and stonewall options | |
790 | * as they don't apply to sub-jobs | |
791 | */ | |
2dc1bbeb | 792 | numjobs = td->o.numjobs; |
ebac4655 JA |
793 | while (--numjobs) { |
794 | struct thread_data *td_new = get_new_job(0, td); | |
795 | ||
796 | if (!td_new) | |
797 | goto err; | |
798 | ||
2dc1bbeb JA |
799 | td_new->o.numjobs = 1; |
800 | td_new->o.stonewall = 0; | |
92c1d41f | 801 | td_new->o.new_group = 0; |
e132cbae JA |
802 | |
803 | if (file_alloced) { | |
2dc1bbeb | 804 | td_new->o.filename = NULL; |
e132cbae | 805 | td_new->files_index = 0; |
4e6ea2f1 | 806 | td_new->files_size = 0; |
e132cbae JA |
807 | td_new->files = NULL; |
808 | } | |
809 | ||
75154845 | 810 | job_add_num = numjobs - 1; |
ebac4655 | 811 | |
75154845 | 812 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
813 | goto err; |
814 | } | |
3c5df6fa | 815 | |
ebac4655 JA |
816 | return 0; |
817 | err: | |
818 | put_job(td); | |
819 | return -1; | |
820 | } | |
821 | ||
79d16311 JA |
822 | /* |
823 | * Parse as if 'o' was a command line | |
824 | */ | |
825 | void add_job_opts(const char **o) | |
826 | { | |
827 | struct thread_data *td, *td_parent; | |
828 | int i, in_global = 1; | |
829 | char jobname[32]; | |
830 | ||
831 | i = 0; | |
832 | td_parent = td = NULL; | |
833 | while (o[i]) { | |
834 | if (!strncmp(o[i], "name", 4)) { | |
835 | in_global = 0; | |
836 | if (td) | |
837 | add_job(td, jobname, 0); | |
838 | td = NULL; | |
839 | sprintf(jobname, "%s", o[i] + 5); | |
840 | } | |
841 | if (in_global && !td_parent) | |
842 | td_parent = get_new_job(1, &def_thread); | |
843 | else if (!in_global && !td) { | |
844 | if (!td_parent) | |
845 | td_parent = &def_thread; | |
846 | td = get_new_job(0, td_parent); | |
847 | } | |
848 | if (in_global) | |
849 | fio_options_parse(td_parent, (char **) &o[i], 1); | |
850 | else | |
851 | fio_options_parse(td, (char **) &o[i], 1); | |
852 | i++; | |
853 | } | |
854 | ||
855 | if (td) | |
856 | add_job(td, jobname, 0); | |
857 | } | |
858 | ||
01f06b63 JA |
859 | static int skip_this_section(const char *name) |
860 | { | |
ad0a2735 JA |
861 | int i; |
862 | ||
863 | if (!nr_job_sections) | |
01f06b63 JA |
864 | return 0; |
865 | if (!strncmp(name, "global", 6)) | |
866 | return 0; | |
867 | ||
ad0a2735 JA |
868 | for (i = 0; i < nr_job_sections; i++) |
869 | if (!strcmp(job_sections[i], name)) | |
870 | return 0; | |
871 | ||
872 | return 1; | |
01f06b63 JA |
873 | } |
874 | ||
ebac4655 JA |
875 | static int is_empty_or_comment(char *line) |
876 | { | |
877 | unsigned int i; | |
878 | ||
879 | for (i = 0; i < strlen(line); i++) { | |
880 | if (line[i] == ';') | |
881 | return 1; | |
5cc2da30 IM |
882 | if (line[i] == '#') |
883 | return 1; | |
76cd9378 | 884 | if (!isspace((int) line[i]) && !iscntrl((int) line[i])) |
ebac4655 JA |
885 | return 0; |
886 | } | |
887 | ||
888 | return 1; | |
889 | } | |
890 | ||
07261983 JA |
891 | /* |
892 | * This is our [ini] type file parser. | |
893 | */ | |
50d16976 | 894 | int parse_jobs_ini(char *file, int is_buf, int stonewall_flag) |
ebac4655 | 895 | { |
e1f36503 | 896 | unsigned int global; |
ebac4655 | 897 | struct thread_data *td; |
fee3bb48 | 898 | char *string, *name; |
ebac4655 JA |
899 | FILE *f; |
900 | char *p; | |
0c7e37a0 | 901 | int ret = 0, stonewall; |
097b2991 | 902 | int first_sect = 1; |
ccf8f127 | 903 | int skip_fgets = 0; |
01f06b63 | 904 | int inside_skip = 0; |
3b8b7135 JA |
905 | char **opts; |
906 | int i, alloc_opts, num_opts; | |
ebac4655 | 907 | |
50d16976 JA |
908 | if (is_buf) |
909 | f = NULL; | |
910 | else { | |
911 | if (!strcmp(file, "-")) | |
912 | f = stdin; | |
913 | else | |
914 | f = fopen(file, "r"); | |
5a729cbe | 915 | |
50d16976 JA |
916 | if (!f) { |
917 | perror("fopen job file"); | |
918 | return 1; | |
919 | } | |
ebac4655 JA |
920 | } |
921 | ||
922 | string = malloc(4096); | |
7f7e6e59 JA |
923 | |
924 | /* | |
925 | * it's really 256 + small bit, 280 should suffice | |
926 | */ | |
927 | name = malloc(280); | |
928 | memset(name, 0, 280); | |
ebac4655 | 929 | |
3b8b7135 JA |
930 | alloc_opts = 8; |
931 | opts = malloc(sizeof(char *) * alloc_opts); | |
b7c6302d | 932 | num_opts = 0; |
3b8b7135 | 933 | |
0c7e37a0 | 934 | stonewall = stonewall_flag; |
7c124ac1 | 935 | do { |
ccf8f127 JA |
936 | /* |
937 | * if skip_fgets is set, we already have loaded a line we | |
938 | * haven't handled. | |
939 | */ | |
940 | if (!skip_fgets) { | |
50d16976 JA |
941 | if (is_buf) |
942 | p = strsep(&file, "\n"); | |
943 | else | |
944 | p = fgets(string, 4095, f); | |
ccf8f127 JA |
945 | if (!p) |
946 | break; | |
947 | } | |
cdc7f193 | 948 | |
ccf8f127 | 949 | skip_fgets = 0; |
cdc7f193 | 950 | strip_blank_front(&p); |
6c7c7da1 | 951 | strip_blank_end(p); |
cdc7f193 | 952 | |
ebac4655 JA |
953 | if (is_empty_or_comment(p)) |
954 | continue; | |
84dd1886 | 955 | if (sscanf(p, "[%255[^\n]]", name) != 1) { |
01f06b63 JA |
956 | if (inside_skip) |
957 | continue; | |
5ec10eaa JA |
958 | log_err("fio: option <%s> outside of [] job section\n", |
959 | p); | |
088b4207 | 960 | break; |
6c7c7da1 | 961 | } |
ebac4655 | 962 | |
7a4b80a1 JA |
963 | name[strlen(name) - 1] = '\0'; |
964 | ||
01f06b63 JA |
965 | if (skip_this_section(name)) { |
966 | inside_skip = 1; | |
967 | continue; | |
968 | } else | |
969 | inside_skip = 0; | |
970 | ||
ebac4655 JA |
971 | global = !strncmp(name, "global", 6); |
972 | ||
cca73aa7 | 973 | if (dump_cmdline) { |
097b2991 JA |
974 | if (first_sect) |
975 | log_info("fio "); | |
cca73aa7 JA |
976 | if (!global) |
977 | log_info("--name=%s ", name); | |
097b2991 | 978 | first_sect = 0; |
cca73aa7 JA |
979 | } |
980 | ||
ebac4655 | 981 | td = get_new_job(global, &def_thread); |
45410acb JA |
982 | if (!td) { |
983 | ret = 1; | |
984 | break; | |
985 | } | |
ebac4655 | 986 | |
972cfd25 JA |
987 | /* |
988 | * Seperate multiple job files by a stonewall | |
989 | */ | |
f9481919 | 990 | if (!global && stonewall) { |
2dc1bbeb | 991 | td->o.stonewall = stonewall; |
972cfd25 JA |
992 | stonewall = 0; |
993 | } | |
994 | ||
3b8b7135 JA |
995 | num_opts = 0; |
996 | memset(opts, 0, alloc_opts * sizeof(char *)); | |
997 | ||
50d16976 JA |
998 | while (1) { |
999 | if (is_buf) | |
1000 | p = strsep(&file, "\n"); | |
1001 | else | |
1002 | p = fgets(string, 4096, f); | |
1003 | if (!p) | |
1004 | break; | |
1005 | ||
ebac4655 JA |
1006 | if (is_empty_or_comment(p)) |
1007 | continue; | |
e1f36503 | 1008 | |
b6754f9d | 1009 | strip_blank_front(&p); |
7c124ac1 | 1010 | |
ccf8f127 JA |
1011 | /* |
1012 | * new section, break out and make sure we don't | |
1013 | * fgets() a new line at the top. | |
1014 | */ | |
1015 | if (p[0] == '[') { | |
1016 | skip_fgets = 1; | |
7c124ac1 | 1017 | break; |
ccf8f127 | 1018 | } |
7c124ac1 | 1019 | |
4ae3f763 | 1020 | strip_blank_end(p); |
aea47d44 | 1021 | |
3b8b7135 JA |
1022 | if (num_opts == alloc_opts) { |
1023 | alloc_opts <<= 1; | |
1024 | opts = realloc(opts, | |
1025 | alloc_opts * sizeof(char *)); | |
1026 | } | |
1027 | ||
1028 | opts[num_opts] = strdup(p); | |
1029 | num_opts++; | |
ebac4655 | 1030 | } |
ebac4655 | 1031 | |
3b8b7135 JA |
1032 | ret = fio_options_parse(td, opts, num_opts); |
1033 | if (!ret) { | |
1034 | if (dump_cmdline) | |
1035 | for (i = 0; i < num_opts; i++) | |
1036 | log_info("--%s ", opts[i]); | |
1037 | ||
45410acb | 1038 | ret = add_job(td, name, 0); |
3b8b7135 | 1039 | } else { |
b1508cf9 JA |
1040 | log_err("fio: job %s dropped\n", name); |
1041 | put_job(td); | |
45410acb | 1042 | } |
3b8b7135 JA |
1043 | |
1044 | for (i = 0; i < num_opts; i++) | |
1045 | free(opts[i]); | |
1046 | num_opts = 0; | |
7c124ac1 | 1047 | } while (!ret); |
ebac4655 | 1048 | |
cca73aa7 JA |
1049 | if (dump_cmdline) |
1050 | log_info("\n"); | |
1051 | ||
3b8b7135 JA |
1052 | for (i = 0; i < num_opts; i++) |
1053 | free(opts[i]); | |
1054 | ||
ebac4655 JA |
1055 | free(string); |
1056 | free(name); | |
2577594d | 1057 | free(opts); |
50d16976 | 1058 | if (!is_buf && f != stdin) |
5a729cbe | 1059 | fclose(f); |
45410acb | 1060 | return ret; |
ebac4655 JA |
1061 | } |
1062 | ||
1063 | static int fill_def_thread(void) | |
1064 | { | |
1065 | memset(&def_thread, 0, sizeof(def_thread)); | |
1066 | ||
375b2695 | 1067 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
1068 | |
1069 | /* | |
ee738499 | 1070 | * fill default options |
ebac4655 | 1071 | */ |
214e1eca | 1072 | fio_fill_default_options(&def_thread); |
ebac4655 JA |
1073 | return 0; |
1074 | } | |
1075 | ||
45378b35 | 1076 | static void usage(const char *name) |
4785f995 | 1077 | { |
43617628 | 1078 | printf("%s\n", fio_version_string); |
45378b35 | 1079 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 1080 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
1081 | printf("\t--output\tWrite output to file\n"); |
1082 | printf("\t--timeout\tRuntime in seconds\n"); | |
1083 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1084 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1085 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1086 | printf("\t--version\tPrint version info and exit\n"); | |
f57a9c59 | 1087 | printf("\t--terse-version=x Terse version output format\n"); |
fd28ca49 | 1088 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
1089 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
1090 | " them\n"); | |
cca73aa7 | 1091 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
1092 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
1093 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
1094 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
1095 | " writes\n"); | |
01f06b63 | 1096 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
1097 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
1098 | " (def 1024)\n"); | |
a9523c6f | 1099 | printf("\t--warnings-fatal Fio parser warnings are fatal\n"); |
fca70358 | 1100 | printf("\t--max-jobs\tMaximum number of threads/processes to support\n"); |
132159a5 JA |
1101 | printf("\t--server\tStart a backend fio server\n"); |
1102 | printf("\t--client=hostname Talk to remove backend fio server at hostname\n"); | |
1103 | printf("\t--net-port=port\tUse specified port for client/server connection\n"); | |
aa58d252 JA |
1104 | printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); |
1105 | printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); | |
4785f995 JA |
1106 | } |
1107 | ||
79e48f72 | 1108 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 1109 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
1110 | { .name = "process", .shift = FD_PROCESS, }, |
1111 | { .name = "file", .shift = FD_FILE, }, | |
1112 | { .name = "io", .shift = FD_IO, }, | |
1113 | { .name = "mem", .shift = FD_MEM, }, | |
1114 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
1115 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 1116 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 1117 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 1118 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
5e1d306e | 1119 | { .name = "job", .shift = FD_JOB }, |
29adda3c | 1120 | { .name = "mutex", .shift = FD_MUTEX }, |
79d16311 | 1121 | { .name = "profile", .shift = FD_PROFILE }, |
c223da83 | 1122 | { .name = "time", .shift = FD_TIME }, |
eb7976ef | 1123 | { .name = "net", .shift = FD_NET }, |
02444ad1 | 1124 | { .name = NULL, }, |
ee56ad50 JA |
1125 | }; |
1126 | ||
c09823ab | 1127 | static int set_debug(const char *string) |
ee56ad50 JA |
1128 | { |
1129 | struct debug_level *dl; | |
1130 | char *p = (char *) string; | |
1131 | char *opt; | |
1132 | int i; | |
1133 | ||
1134 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
ee56ad50 JA |
1135 | log_info("fio: dumping debug options:"); |
1136 | for (i = 0; debug_levels[i].name; i++) { | |
1137 | dl = &debug_levels[i]; | |
1138 | log_info("%s,", dl->name); | |
1139 | } | |
bd6f78b2 | 1140 | log_info("all\n"); |
c09823ab | 1141 | return 1; |
ee56ad50 JA |
1142 | } |
1143 | ||
1144 | while ((opt = strsep(&p, ",")) != NULL) { | |
1145 | int found = 0; | |
1146 | ||
5e1d306e JA |
1147 | if (!strncmp(opt, "all", 3)) { |
1148 | log_info("fio: set all debug options\n"); | |
1149 | fio_debug = ~0UL; | |
1150 | continue; | |
1151 | } | |
1152 | ||
ee56ad50 JA |
1153 | for (i = 0; debug_levels[i].name; i++) { |
1154 | dl = &debug_levels[i]; | |
5e1d306e JA |
1155 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
1156 | if (!found) | |
1157 | continue; | |
1158 | ||
1159 | if (dl->shift == FD_JOB) { | |
1160 | opt = strchr(opt, ':'); | |
1161 | if (!opt) { | |
1162 | log_err("fio: missing job number\n"); | |
1163 | break; | |
1164 | } | |
1165 | opt++; | |
1166 | fio_debug_jobno = atoi(opt); | |
1167 | log_info("fio: set debug jobno %d\n", | |
1168 | fio_debug_jobno); | |
1169 | } else { | |
ee56ad50 | 1170 | log_info("fio: set debug option %s\n", opt); |
bd6f78b2 | 1171 | fio_debug |= (1UL << dl->shift); |
ee56ad50 | 1172 | } |
5e1d306e | 1173 | break; |
ee56ad50 JA |
1174 | } |
1175 | ||
1176 | if (!found) | |
1177 | log_err("fio: debug mask %s not found\n", opt); | |
1178 | } | |
c09823ab | 1179 | return 0; |
ee56ad50 | 1180 | } |
79e48f72 | 1181 | #else |
69b98d4c | 1182 | static int set_debug(const char *string) |
79e48f72 JA |
1183 | { |
1184 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 1185 | return 1; |
79e48f72 JA |
1186 | } |
1187 | #endif | |
9ac8a797 | 1188 | |
4c6107ff JA |
1189 | static void fio_options_fill_optstring(void) |
1190 | { | |
1191 | char *ostr = cmd_optstr; | |
1192 | int i, c; | |
1193 | ||
1194 | c = i = 0; | |
1195 | while (l_opts[i].name) { | |
1196 | ostr[c++] = l_opts[i].val; | |
1197 | if (l_opts[i].has_arg == required_argument) | |
1198 | ostr[c++] = ':'; | |
1199 | else if (l_opts[i].has_arg == optional_argument) { | |
1200 | ostr[c++] = ':'; | |
1201 | ostr[c++] = ':'; | |
1202 | } | |
1203 | i++; | |
1204 | } | |
1205 | ostr[c] = '\0'; | |
1206 | } | |
1207 | ||
81179eec | 1208 | int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1209 | { |
b4692828 | 1210 | struct thread_data *td = NULL; |
c09823ab | 1211 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
4c6107ff | 1212 | char *ostr = cmd_optstr; |
e46d8091 | 1213 | int daemonize_server = 0; |
81179eec JA |
1214 | char *cur_client = NULL; |
1215 | int backend = 0; | |
ebac4655 | 1216 | |
4c6107ff | 1217 | while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { |
ebac4655 | 1218 | switch (c) { |
2b386d25 | 1219 | case 'a': |
9ef56d46 | 1220 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
2b386d25 JA |
1221 | smalloc_pool_size = atoi(optarg); |
1222 | break; | |
b4692828 | 1223 | case 't': |
9ef56d46 | 1224 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
ab2cabdb | 1225 | def_thread.o.timeout = atoi(optarg); |
b4692828 JA |
1226 | break; |
1227 | case 'l': | |
9ef56d46 | 1228 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
b4692828 JA |
1229 | write_lat_log = 1; |
1230 | break; | |
3d73e5a9 | 1231 | case 'b': |
9ef56d46 | 1232 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
b4692828 JA |
1233 | write_bw_log = 1; |
1234 | break; | |
1235 | case 'o': | |
9ef56d46 | 1236 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
b4692828 JA |
1237 | f_out = fopen(optarg, "w+"); |
1238 | if (!f_out) { | |
1239 | perror("fopen output"); | |
1240 | exit(1); | |
1241 | } | |
1242 | f_err = f_out; | |
1243 | break; | |
1244 | case 'm': | |
9ef56d46 | 1245 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
b4692828 JA |
1246 | terse_output = 1; |
1247 | break; | |
1248 | case 'h': | |
45378b35 | 1249 | usage(argv[0]); |
b4692828 | 1250 | exit(0); |
fd28ca49 | 1251 | case 'c': |
214e1eca | 1252 | exit(fio_show_option_help(optarg)); |
cca73aa7 | 1253 | case 's': |
9ef56d46 | 1254 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
cca73aa7 JA |
1255 | dump_cmdline = 1; |
1256 | break; | |
724e4435 | 1257 | case 'r': |
9ef56d46 | 1258 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
724e4435 JA |
1259 | read_only = 1; |
1260 | break; | |
b4692828 | 1261 | case 'v': |
ca740f4e | 1262 | log_info("%s\n", fio_version_string); |
b4692828 | 1263 | exit(0); |
f57a9c59 | 1264 | case 'V': |
9ef56d46 | 1265 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
f57a9c59 JA |
1266 | terse_version = atoi(optarg); |
1267 | if (terse_version != 2) { | |
1268 | log_err("fio: bad terse version format\n"); | |
1269 | exit_val = 1; | |
1270 | do_exit++; | |
1271 | } | |
1272 | break; | |
e592a06b | 1273 | case 'e': |
9ef56d46 | 1274 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
e592a06b AC |
1275 | if (!strcmp("always", optarg)) |
1276 | eta_print = FIO_ETA_ALWAYS; | |
1277 | else if (!strcmp("never", optarg)) | |
1278 | eta_print = FIO_ETA_NEVER; | |
1279 | break; | |
ee56ad50 | 1280 | case 'd': |
9ef56d46 | 1281 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
c09823ab JA |
1282 | if (set_debug(optarg)) |
1283 | do_exit++; | |
ee56ad50 | 1284 | break; |
ad0a2735 JA |
1285 | case 'x': { |
1286 | size_t new_size; | |
1287 | ||
9ef56d46 | 1288 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
81179eec | 1289 | |
01f06b63 | 1290 | if (!strcmp(optarg, "global")) { |
5ec10eaa JA |
1291 | log_err("fio: can't use global as only " |
1292 | "section\n"); | |
c09823ab JA |
1293 | do_exit++; |
1294 | exit_val = 1; | |
01f06b63 JA |
1295 | break; |
1296 | } | |
ad0a2735 JA |
1297 | new_size = (nr_job_sections + 1) * sizeof(char *); |
1298 | job_sections = realloc(job_sections, new_size); | |
1299 | job_sections[nr_job_sections] = strdup(optarg); | |
1300 | nr_job_sections++; | |
01f06b63 | 1301 | break; |
ad0a2735 | 1302 | } |
9ac8a797 | 1303 | case 'p': |
9ef56d46 | 1304 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
07b3232d | 1305 | exec_profile = strdup(optarg); |
9ac8a797 | 1306 | break; |
b4692828 | 1307 | case FIO_GETOPT_JOB: { |
5ec10eaa | 1308 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
1309 | char *val = optarg; |
1310 | ||
9ef56d46 | 1311 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
81179eec | 1312 | |
c2b1e753 | 1313 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 1314 | ret = add_job(td, td->o.name ?: "fio", 0); |
66251554 | 1315 | if (ret) |
c2b1e753 | 1316 | return 0; |
c2b1e753 JA |
1317 | td = NULL; |
1318 | } | |
b4692828 | 1319 | if (!td) { |
01f06b63 | 1320 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
1321 | int global = 0; |
1322 | ||
01f06b63 | 1323 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 1324 | global = 1; |
c2b1e753 | 1325 | |
01f06b63 JA |
1326 | if (is_section && skip_this_section(val)) |
1327 | continue; | |
1328 | ||
c2b1e753 | 1329 | td = get_new_job(global, &def_thread); |
b4692828 JA |
1330 | if (!td) |
1331 | return 0; | |
1332 | } | |
38d0adb0 | 1333 | |
214e1eca | 1334 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
1335 | break; |
1336 | } | |
a9523c6f | 1337 | case 'w': |
9ef56d46 | 1338 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
a9523c6f JA |
1339 | warnings_fatal = 1; |
1340 | break; | |
fca70358 | 1341 | case 'j': |
9ef56d46 | 1342 | fio_client_add_cmd_option(cur_client, argv[optind-1]); |
fca70358 JA |
1343 | max_jobs = atoi(optarg); |
1344 | if (!max_jobs || max_jobs > REAL_MAX_JOBS) { | |
1345 | log_err("fio: invalid max jobs: %d\n", max_jobs); | |
1346 | do_exit++; | |
1347 | exit_val = 1; | |
1348 | } | |
1349 | break; | |
50d16976 | 1350 | case 'S': |
a37f69b7 | 1351 | if (nr_clients) { |
132159a5 JA |
1352 | log_err("fio: can't be both client and server\n"); |
1353 | do_exit++; | |
1354 | exit_val = 1; | |
1355 | break; | |
1356 | } | |
50d16976 | 1357 | is_backend = 1; |
81179eec | 1358 | backend = 1; |
50d16976 | 1359 | break; |
e46d8091 JA |
1360 | case 'D': |
1361 | daemonize_server = 1; | |
1362 | break; | |
132159a5 JA |
1363 | case 'P': |
1364 | fio_net_port = atoi(optarg); | |
1365 | break; | |
1366 | case 'C': | |
1367 | if (is_backend) { | |
1368 | log_err("fio: can't be both client and server\n"); | |
1369 | do_exit++; | |
1370 | exit_val = 1; | |
1371 | break; | |
1372 | } | |
a37f69b7 | 1373 | fio_client_add(optarg); |
81179eec | 1374 | cur_client = optarg; |
132159a5 | 1375 | break; |
b4692828 | 1376 | default: |
c09823ab JA |
1377 | do_exit++; |
1378 | exit_val = 1; | |
b4692828 | 1379 | break; |
ebac4655 | 1380 | } |
c7d5c941 JA |
1381 | if (do_exit) |
1382 | break; | |
ebac4655 | 1383 | } |
c9fad893 | 1384 | |
c09823ab JA |
1385 | if (do_exit) |
1386 | exit(exit_val); | |
536582bf | 1387 | |
a37f69b7 | 1388 | if (nr_clients && fio_clients_connect()) { |
132159a5 JA |
1389 | do_exit++; |
1390 | exit_val = 1; | |
cdf54d85 | 1391 | return -1; |
132159a5 JA |
1392 | } |
1393 | ||
81179eec | 1394 | if (is_backend && backend) |
e46d8091 | 1395 | return fio_start_server(daemonize_server); |
50d16976 | 1396 | |
b4692828 | 1397 | if (td) { |
7d6a8904 | 1398 | if (!ret) |
2dc1bbeb | 1399 | ret = add_job(td, td->o.name ?: "fio", 0); |
972cfd25 | 1400 | } |
774a6177 | 1401 | |
b4692828 JA |
1402 | while (optind < argc) { |
1403 | ini_idx++; | |
1404 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1405 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1406 | optind++; | |
eb8bbf48 | 1407 | } |
972cfd25 JA |
1408 | |
1409 | return ini_idx; | |
ebac4655 JA |
1410 | } |
1411 | ||
ebac4655 JA |
1412 | int parse_options(int argc, char *argv[]) |
1413 | { | |
972cfd25 JA |
1414 | int job_files, i; |
1415 | ||
b4692828 JA |
1416 | f_out = stdout; |
1417 | f_err = stderr; | |
1418 | ||
4c6107ff | 1419 | fio_options_fill_optstring(); |
5ec10eaa | 1420 | fio_options_dup_and_init(l_opts); |
b4692828 | 1421 | |
9d9eb2e7 JA |
1422 | atexit(free_shm); |
1423 | ||
ebac4655 JA |
1424 | if (fill_def_thread()) |
1425 | return 1; | |
1426 | ||
972cfd25 | 1427 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1428 | |
cdf54d85 JA |
1429 | if (job_files > 0) { |
1430 | for (i = 0; i < job_files; i++) { | |
1431 | if (fill_def_thread()) | |
132159a5 | 1432 | return 1; |
cdf54d85 JA |
1433 | if (nr_clients) { |
1434 | if (fio_clients_send_ini(ini_file[i])) | |
1435 | return 1; | |
1436 | free(ini_file[i]); | |
1437 | } else if (!is_backend) { | |
1438 | if (parse_jobs_ini(ini_file[i], 0, i)) | |
1439 | return 1; | |
1440 | free(ini_file[i]); | |
1441 | } | |
132159a5 | 1442 | } |
972cfd25 | 1443 | } |
ebac4655 | 1444 | |
88c6ed80 | 1445 | free(ini_file); |
d23bb327 | 1446 | options_mem_free(&def_thread); |
b4692828 JA |
1447 | |
1448 | if (!thread_number) { | |
cca73aa7 JA |
1449 | if (dump_cmdline) |
1450 | return 0; | |
07b3232d JA |
1451 | if (exec_profile) |
1452 | return 0; | |
a37f69b7 | 1453 | if (is_backend || nr_clients) |
5c341e9a | 1454 | return 0; |
cca73aa7 | 1455 | |
cdf54d85 JA |
1456 | if (job_files > 0) { |
1457 | log_err("No jobs(s) defined\n\n"); | |
1458 | usage(argv[0]); | |
1459 | } | |
b4692828 JA |
1460 | return 1; |
1461 | } | |
1462 | ||
be4ecfdf JA |
1463 | if (def_thread.o.gtod_offload) { |
1464 | fio_gtod_init(); | |
1465 | fio_gtod_offload = 1; | |
1466 | fio_gtod_cpu = def_thread.o.gtod_cpu; | |
1467 | } | |
1468 | ||
ca740f4e | 1469 | log_info("%s\n", fio_version_string); |
ebac4655 JA |
1470 | return 0; |
1471 | } |