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; |
8c029376 | 40 | static int def_timeout; |
e1f36503 | 41 | |
be4ecfdf | 42 | static struct thread_data def_thread; |
214e1eca | 43 | struct thread_data *threads = NULL; |
e1f36503 | 44 | |
214e1eca JA |
45 | int exitall_on_terminate = 0; |
46 | int terse_output = 0; | |
e592a06b | 47 | int eta_print; |
214e1eca JA |
48 | unsigned long long mlock_size = 0; |
49 | FILE *f_out = NULL; | |
50 | FILE *f_err = NULL; | |
ad0a2735 JA |
51 | char **job_sections = NULL; |
52 | int nr_job_sections = 0; | |
07b3232d | 53 | char *exec_profile = NULL; |
a9523c6f | 54 | int warnings_fatal = 0; |
f57a9c59 | 55 | int terse_version = 2; |
50d16976 | 56 | int is_backend = 0; |
a37f69b7 | 57 | int nr_clients = 0; |
e46d8091 | 58 | int log_syslog = 0; |
ee738499 | 59 | |
214e1eca | 60 | int write_bw_log = 0; |
4241ea8f | 61 | int read_only = 0; |
214e1eca | 62 | |
5ec10eaa | 63 | static int write_lat_log; |
e1f36503 | 64 | |
214e1eca | 65 | static int prev_group_jobs; |
b4692828 | 66 | |
ee56ad50 | 67 | unsigned long fio_debug = 0; |
5e1d306e JA |
68 | unsigned int fio_debug_jobno = -1; |
69 | unsigned int *fio_debug_jobp = NULL; | |
ee56ad50 | 70 | |
4c6107ff | 71 | static char cmd_optstr[256]; |
085399db | 72 | static int did_arg; |
4c6107ff | 73 | |
802ad4a8 JA |
74 | const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN] = { |
75 | { .u.f = 1.0 }, | |
76 | { .u.f = 5.0 }, | |
77 | { .u.f = 10.0 }, | |
78 | { .u.f = 20.0 }, | |
79 | { .u.f = 30.0 }, | |
80 | { .u.f = 40.0 }, | |
81 | { .u.f = 50.0 }, | |
82 | { .u.f = 60.0 }, | |
83 | { .u.f = 70.0 }, | |
84 | { .u.f = 80.0 }, | |
85 | { .u.f = 90.0 }, | |
86 | { .u.f = 95.0 }, | |
87 | { .u.f = 99.0 }, | |
88 | { .u.f = 99.5 }, | |
89 | { .u.f = 99.9 }, | |
90 | }; | |
91 | ||
7a4b8240 JA |
92 | #define FIO_CLIENT_FLAG (1 << 16) |
93 | ||
b4692828 JA |
94 | /* |
95 | * Command line options. These will contain the above, plus a few | |
96 | * extra that only pertain to fio itself and not jobs. | |
97 | */ | |
5ec10eaa | 98 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 | 99 | { |
08d2a19c | 100 | .name = (char *) "output", |
b4692828 | 101 | .has_arg = required_argument, |
7a4b8240 | 102 | .val = 'o' | FIO_CLIENT_FLAG, |
b4692828 JA |
103 | }, |
104 | { | |
08d2a19c | 105 | .name = (char *) "timeout", |
b4692828 | 106 | .has_arg = required_argument, |
7a4b8240 | 107 | .val = 't' | FIO_CLIENT_FLAG, |
b4692828 JA |
108 | }, |
109 | { | |
08d2a19c | 110 | .name = (char *) "latency-log", |
b4692828 | 111 | .has_arg = required_argument, |
7a4b8240 | 112 | .val = 'l' | FIO_CLIENT_FLAG, |
b4692828 JA |
113 | }, |
114 | { | |
08d2a19c | 115 | .name = (char *) "bandwidth-log", |
b4692828 | 116 | .has_arg = required_argument, |
7a4b8240 | 117 | .val = 'b' | FIO_CLIENT_FLAG, |
b4692828 JA |
118 | }, |
119 | { | |
08d2a19c | 120 | .name = (char *) "minimal", |
b4692828 | 121 | .has_arg = optional_argument, |
7a4b8240 | 122 | .val = 'm' | FIO_CLIENT_FLAG, |
b4692828 JA |
123 | }, |
124 | { | |
08d2a19c | 125 | .name = (char *) "version", |
b4692828 | 126 | .has_arg = no_argument, |
7a4b8240 | 127 | .val = 'v' | FIO_CLIENT_FLAG, |
b4692828 | 128 | }, |
fd28ca49 | 129 | { |
08d2a19c | 130 | .name = (char *) "help", |
fd28ca49 | 131 | .has_arg = no_argument, |
7a4b8240 | 132 | .val = 'h' | FIO_CLIENT_FLAG, |
fd28ca49 JA |
133 | }, |
134 | { | |
08d2a19c | 135 | .name = (char *) "cmdhelp", |
320beefe | 136 | .has_arg = optional_argument, |
7a4b8240 | 137 | .val = 'c' | FIO_CLIENT_FLAG, |
fd28ca49 | 138 | }, |
cca73aa7 | 139 | { |
08d2a19c | 140 | .name = (char *) "showcmd", |
cca73aa7 | 141 | .has_arg = no_argument, |
7a4b8240 | 142 | .val = 's' | FIO_CLIENT_FLAG, |
724e4435 JA |
143 | }, |
144 | { | |
08d2a19c | 145 | .name = (char *) "readonly", |
724e4435 | 146 | .has_arg = no_argument, |
7a4b8240 | 147 | .val = 'r' | FIO_CLIENT_FLAG, |
cca73aa7 | 148 | }, |
e592a06b | 149 | { |
08d2a19c | 150 | .name = (char *) "eta", |
e592a06b | 151 | .has_arg = required_argument, |
7a4b8240 | 152 | .val = 'e' | FIO_CLIENT_FLAG, |
e592a06b | 153 | }, |
ee56ad50 | 154 | { |
08d2a19c | 155 | .name = (char *) "debug", |
ee56ad50 | 156 | .has_arg = required_argument, |
7a4b8240 | 157 | .val = 'd' | FIO_CLIENT_FLAG, |
ee56ad50 | 158 | }, |
01f06b63 | 159 | { |
08d2a19c | 160 | .name = (char *) "section", |
01f06b63 | 161 | .has_arg = required_argument, |
7a4b8240 | 162 | .val = 'x' | FIO_CLIENT_FLAG, |
01f06b63 | 163 | }, |
2b386d25 | 164 | { |
08d2a19c | 165 | .name = (char *) "alloc-size", |
2b386d25 | 166 | .has_arg = required_argument, |
7a4b8240 | 167 | .val = 'a' | FIO_CLIENT_FLAG, |
2b386d25 | 168 | }, |
9ac8a797 | 169 | { |
08d2a19c | 170 | .name = (char *) "profile", |
9ac8a797 | 171 | .has_arg = required_argument, |
7a4b8240 | 172 | .val = 'p' | FIO_CLIENT_FLAG, |
9ac8a797 | 173 | }, |
a9523c6f | 174 | { |
08d2a19c | 175 | .name = (char *) "warnings-fatal", |
a9523c6f | 176 | .has_arg = no_argument, |
7a4b8240 | 177 | .val = 'w' | FIO_CLIENT_FLAG, |
a9523c6f | 178 | }, |
fca70358 JA |
179 | { |
180 | .name = (char *) "max-jobs", | |
181 | .has_arg = required_argument, | |
7a4b8240 | 182 | .val = 'j' | FIO_CLIENT_FLAG, |
fca70358 | 183 | }, |
f57a9c59 JA |
184 | { |
185 | .name = (char *) "terse-version", | |
186 | .has_arg = required_argument, | |
7a4b8240 | 187 | .val = 'V' | FIO_CLIENT_FLAG, |
f57a9c59 | 188 | }, |
50d16976 JA |
189 | { |
190 | .name = (char *) "server", | |
191 | .has_arg = no_argument, | |
192 | .val = 'S', | |
193 | }, | |
e46d8091 JA |
194 | { .name = (char *) "daemonize", |
195 | .has_arg = no_argument, | |
196 | .val = 'D', | |
197 | }, | |
132159a5 JA |
198 | { |
199 | .name = (char *) "net-port", | |
200 | .has_arg = required_argument, | |
201 | .val = 'P', | |
202 | }, | |
203 | { | |
204 | .name = (char *) "client", | |
205 | .has_arg = required_argument, | |
206 | .val = 'C', | |
207 | }, | |
b4692828 JA |
208 | { |
209 | .name = NULL, | |
210 | }, | |
211 | }; | |
212 | ||
9d9eb2e7 JA |
213 | static void free_shm(void) |
214 | { | |
215 | struct shmid_ds sbuf; | |
216 | ||
217 | if (threads) { | |
218 | void *tp = threads; | |
219 | ||
220 | threads = NULL; | |
221 | file_hash_exit(); | |
222 | fio_debug_jobp = NULL; | |
223 | shmdt(tp); | |
224 | shmctl(shm_id, IPC_RMID, &sbuf); | |
225 | } | |
226 | ||
227 | scleanup(); | |
228 | } | |
229 | ||
230 | /* | |
231 | * The thread area is shared between the main process and the job | |
232 | * threads/processes. So setup a shared memory segment that will hold | |
233 | * all the job info. We use the end of the region for keeping track of | |
234 | * open files across jobs, for file sharing. | |
235 | */ | |
236 | static int setup_thread_area(void) | |
237 | { | |
238 | void *hash; | |
239 | ||
240 | if (threads) | |
241 | return 0; | |
242 | ||
243 | /* | |
244 | * 1024 is too much on some machines, scale max_jobs if | |
245 | * we get a failure that looks like too large a shm segment | |
246 | */ | |
247 | do { | |
248 | size_t size = max_jobs * sizeof(struct thread_data); | |
249 | ||
250 | size += file_hash_size; | |
251 | size += sizeof(unsigned int); | |
252 | ||
253 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
254 | if (shm_id != -1) | |
255 | break; | |
256 | if (errno != EINVAL) { | |
257 | perror("shmget"); | |
258 | break; | |
259 | } | |
260 | ||
261 | max_jobs >>= 1; | |
262 | } while (max_jobs); | |
263 | ||
264 | if (shm_id == -1) | |
265 | return 1; | |
266 | ||
267 | threads = shmat(shm_id, NULL, 0); | |
268 | if (threads == (void *) -1) { | |
269 | perror("shmat"); | |
270 | return 1; | |
271 | } | |
272 | ||
273 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); | |
274 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); | |
275 | fio_debug_jobp = (void *) hash + file_hash_size; | |
276 | *fio_debug_jobp = -1; | |
277 | file_hash_init(hash); | |
278 | return 0; | |
279 | } | |
280 | ||
906c8d75 JA |
281 | /* |
282 | * Return a free job structure. | |
283 | */ | |
ebac4655 JA |
284 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
285 | { | |
286 | struct thread_data *td; | |
287 | ||
288 | if (global) | |
289 | return &def_thread; | |
9d9eb2e7 JA |
290 | if (setup_thread_area()) { |
291 | log_err("error: failed to setup shm segment\n"); | |
292 | return NULL; | |
293 | } | |
e61f1ec8 BC |
294 | if (thread_number >= max_jobs) { |
295 | log_err("error: maximum number of jobs (%d) reached.\n", | |
296 | max_jobs); | |
ebac4655 | 297 | return NULL; |
e61f1ec8 | 298 | } |
ebac4655 JA |
299 | |
300 | td = &threads[thread_number++]; | |
ddaeaa5a | 301 | *td = *parent; |
ebac4655 | 302 | |
e0b0d892 JA |
303 | td->o.uid = td->o.gid = -1U; |
304 | ||
cade3ef4 | 305 | dup_files(td, parent); |
d23bb327 | 306 | options_mem_dupe(td); |
cade3ef4 | 307 | |
15dc1934 JA |
308 | profile_add_hooks(td); |
309 | ||
ebac4655 | 310 | td->thread_number = thread_number; |
ebac4655 JA |
311 | return td; |
312 | } | |
313 | ||
314 | static void put_job(struct thread_data *td) | |
315 | { | |
549577a7 JA |
316 | if (td == &def_thread) |
317 | return; | |
84dd1886 | 318 | |
58c55ba0 | 319 | profile_td_exit(td); |
549577a7 | 320 | |
16edf25d | 321 | if (td->error) |
6d86144d | 322 | log_info("fio: %s\n", td->verror); |
16edf25d | 323 | |
ebac4655 JA |
324 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
325 | thread_number--; | |
326 | } | |
327 | ||
581e7141 | 328 | static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
127f6865 | 329 | { |
581e7141 | 330 | unsigned int bs = td->o.min_bs[ddir]; |
ba3e4e0c | 331 | unsigned long long bytes_per_sec; |
127f6865 | 332 | |
ff58fced JA |
333 | assert(ddir_rw(ddir)); |
334 | ||
ba3e4e0c RR |
335 | if (td->o.rate[ddir]) |
336 | bytes_per_sec = td->o.rate[ddir]; | |
337 | else | |
338 | bytes_per_sec = td->o.rate_iops[ddir] * bs; | |
127f6865 | 339 | |
ba3e4e0c | 340 | if (!bytes_per_sec) { |
127f6865 JA |
341 | log_err("rate lower than supported\n"); |
342 | return -1; | |
343 | } | |
344 | ||
ba3e4e0c | 345 | td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec; |
581e7141 | 346 | td->rate_pending_usleep[ddir] = 0; |
127f6865 JA |
347 | return 0; |
348 | } | |
349 | ||
581e7141 JA |
350 | static int setup_rate(struct thread_data *td) |
351 | { | |
352 | int ret = 0; | |
353 | ||
354 | if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) | |
355 | ret = __setup_rate(td, DDIR_READ); | |
356 | if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) | |
357 | ret |= __setup_rate(td, DDIR_WRITE); | |
358 | ||
359 | return ret; | |
360 | } | |
361 | ||
8347239a JA |
362 | static int fixed_block_size(struct thread_options *o) |
363 | { | |
364 | return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && | |
365 | o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && | |
366 | o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; | |
367 | } | |
368 | ||
dad915e3 JA |
369 | /* |
370 | * Lazy way of fixing up options that depend on each other. We could also | |
371 | * define option callback handlers, but this is easier. | |
372 | */ | |
4e991c23 | 373 | static int fixup_options(struct thread_data *td) |
e1f36503 | 374 | { |
2dc1bbeb | 375 | struct thread_options *o = &td->o; |
ff217451 | 376 | int ret = 0; |
dad915e3 | 377 | |
f356d01d | 378 | #ifndef FIO_HAVE_PSHARED_MUTEX |
9bbf57cc | 379 | if (!o->use_thread) { |
f356d01d JA |
380 | log_info("fio: this platform does not support process shared" |
381 | " mutexes, forcing use of threads. Use the 'thread'" | |
382 | " option to get rid of this warning.\n"); | |
9bbf57cc | 383 | o->use_thread = 1; |
a9523c6f | 384 | ret = warnings_fatal; |
f356d01d JA |
385 | } |
386 | #endif | |
387 | ||
2dc1bbeb | 388 | if (o->write_iolog_file && o->read_iolog_file) { |
076efc7c | 389 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
390 | free(o->write_iolog_file); |
391 | o->write_iolog_file = NULL; | |
a9523c6f | 392 | ret = warnings_fatal; |
076efc7c | 393 | } |
16b462ae | 394 | |
16b462ae JA |
395 | /* |
396 | * only really works for sequential io for now, and with 1 file | |
397 | */ | |
2dc1bbeb JA |
398 | if (o->zone_size && td_random(td) && o->open_files == 1) |
399 | o->zone_size = 0; | |
16b462ae JA |
400 | |
401 | /* | |
402 | * Reads can do overwrites, we always need to pre-create the file | |
403 | */ | |
404 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 405 | o->overwrite = 1; |
16b462ae | 406 | |
2dc1bbeb | 407 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 408 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
409 | if (!o->max_bs[DDIR_READ]) |
410 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
411 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 412 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
413 | if (!o->max_bs[DDIR_WRITE]) |
414 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 415 | |
2dc1bbeb | 416 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 417 | |
2b7a01d0 JA |
418 | /* |
419 | * For random IO, allow blockalign offset other than min_bs. | |
420 | */ | |
421 | if (!o->ba[DDIR_READ] || !td_random(td)) | |
422 | o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; | |
423 | if (!o->ba[DDIR_WRITE] || !td_random(td)) | |
424 | o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; | |
425 | ||
426 | if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || | |
427 | o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && | |
9bbf57cc | 428 | !o->norandommap) { |
2b7a01d0 | 429 | log_err("fio: Any use of blockalign= turns off randommap\n"); |
9bbf57cc | 430 | o->norandommap = 1; |
a9523c6f | 431 | ret = warnings_fatal; |
2b7a01d0 JA |
432 | } |
433 | ||
2dc1bbeb JA |
434 | if (!o->file_size_high) |
435 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 436 | |
8347239a JA |
437 | if (o->norandommap && o->verify != VERIFY_NONE |
438 | && !fixed_block_size(o)) { | |
439 | log_err("fio: norandommap given for variable block sizes, " | |
440 | "verify disabled\n"); | |
2dc1bbeb | 441 | o->verify = VERIFY_NONE; |
a9523c6f | 442 | ret = warnings_fatal; |
bb8895e0 | 443 | } |
2dc1bbeb | 444 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 445 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 446 | |
48097d5c JA |
447 | /* |
448 | * thinktime_spin must be less than thinktime | |
449 | */ | |
2dc1bbeb JA |
450 | if (o->thinktime_spin > o->thinktime) |
451 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
452 | |
453 | /* | |
454 | * The low water mark cannot be bigger than the iodepth | |
455 | */ | |
2dc1bbeb | 456 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
457 | /* |
458 | * syslet work around - if the workload is sequential, | |
459 | * we want to let the queue drain all the way down to | |
460 | * avoid seeking between async threads | |
461 | */ | |
462 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 463 | o->iodepth_low = 1; |
9467b77c | 464 | else |
2dc1bbeb | 465 | o->iodepth_low = o->iodepth; |
9467b77c | 466 | } |
cb5ab512 JA |
467 | |
468 | /* | |
469 | * If batch number isn't set, default to the same as iodepth | |
470 | */ | |
2dc1bbeb JA |
471 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
472 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 473 | |
2dc1bbeb JA |
474 | if (o->nr_files > td->files_index) |
475 | o->nr_files = td->files_index; | |
9f9214f2 | 476 | |
2dc1bbeb JA |
477 | if (o->open_files > o->nr_files || !o->open_files) |
478 | o->open_files = o->nr_files; | |
4e991c23 | 479 | |
581e7141 JA |
480 | if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| |
481 | ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + | |
482 | o->rate_iops_min[1]))) { | |
4e991c23 | 483 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
a9523c6f | 484 | ret = 1; |
4e991c23 | 485 | } |
581e7141 JA |
486 | if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || |
487 | (o->rate_iops[0] < o->rate_iops_min[0]) || | |
488 | (o->rate_iops[1] < o->rate_iops_min[1])) { | |
4e991c23 | 489 | log_err("fio: minimum rate exceeds rate\n"); |
a9523c6f | 490 | ret = 1; |
4e991c23 JA |
491 | } |
492 | ||
cf4464ca JA |
493 | if (!o->timeout && o->time_based) { |
494 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
495 | o->time_based = 0; | |
a9523c6f | 496 | ret = warnings_fatal; |
cf4464ca JA |
497 | } |
498 | ||
aa31f1f1 | 499 | if (o->fill_device && !o->size) |
5921e80c | 500 | o->size = -1ULL; |
5ec10eaa | 501 | |
9bbf57cc | 502 | if (o->verify != VERIFY_NONE) { |
996936f9 | 503 | if (td_write(td) && o->do_verify && o->numjobs > 1) { |
a9523c6f JA |
504 | log_info("Multiple writers may overwrite blocks that " |
505 | "belong to other jobs. This can cause " | |
506 | "verification failures.\n"); | |
507 | ret = warnings_fatal; | |
508 | } | |
509 | ||
9bbf57cc | 510 | o->refill_buffers = 1; |
2f1b8e8b JA |
511 | if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
512 | !o->verify_interval) | |
513 | o->verify_interval = o->min_bs[DDIR_WRITE]; | |
d990588e | 514 | } |
41ccd845 | 515 | |
9bbf57cc JA |
516 | if (o->pre_read) { |
517 | o->invalidate_cache = 0; | |
a9523c6f | 518 | if (td->io_ops->flags & FIO_PIPEIO) { |
9c0d2241 JA |
519 | log_info("fio: cannot pre-read files with an IO engine" |
520 | " that isn't seekable. Pre-read disabled.\n"); | |
a9523c6f JA |
521 | ret = warnings_fatal; |
522 | } | |
9c0d2241 | 523 | } |
34f1c044 | 524 | |
e72fa4d4 | 525 | #ifndef FIO_HAVE_FDATASYNC |
9bbf57cc | 526 | if (o->fdatasync_blocks) { |
e72fa4d4 JA |
527 | log_info("fio: this platform does not support fdatasync()" |
528 | " falling back to using fsync(). Use the 'fsync'" | |
529 | " option instead of 'fdatasync' to get rid of" | |
530 | " this warning\n"); | |
9bbf57cc JA |
531 | o->fsync_blocks = o->fdatasync_blocks; |
532 | o->fdatasync_blocks = 0; | |
a9523c6f | 533 | ret = warnings_fatal; |
e72fa4d4 JA |
534 | } |
535 | #endif | |
536 | ||
a9523c6f | 537 | return ret; |
e1f36503 JA |
538 | } |
539 | ||
f8977ee6 JA |
540 | /* |
541 | * This function leaks the buffer | |
542 | */ | |
543 | static char *to_kmg(unsigned int val) | |
544 | { | |
545 | char *buf = malloc(32); | |
f3502ba2 | 546 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
547 | char *p = post; |
548 | ||
245142ff | 549 | do { |
f8977ee6 JA |
550 | if (val & 1023) |
551 | break; | |
552 | ||
553 | val >>= 10; | |
554 | p++; | |
245142ff | 555 | } while (*p); |
f8977ee6 JA |
556 | |
557 | snprintf(buf, 31, "%u%c", val, *p); | |
558 | return buf; | |
559 | } | |
560 | ||
09629a90 JA |
561 | /* External engines are specified by "external:name.o") */ |
562 | static const char *get_engine_name(const char *str) | |
563 | { | |
564 | char *p = strstr(str, ":"); | |
565 | ||
566 | if (!p) | |
567 | return str; | |
568 | ||
569 | p++; | |
570 | strip_blank_front(&p); | |
571 | strip_blank_end(p); | |
572 | return p; | |
573 | } | |
574 | ||
e132cbae JA |
575 | static int exists_and_not_file(const char *filename) |
576 | { | |
577 | struct stat sb; | |
578 | ||
579 | if (lstat(filename, &sb) == -1) | |
580 | return 0; | |
581 | ||
ecc314ba BC |
582 | /* \\.\ is the device namespace in Windows, where every file |
583 | * is a device node */ | |
584 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
e132cbae JA |
585 | return 0; |
586 | ||
587 | return 1; | |
588 | } | |
589 | ||
4c07ad86 | 590 | static void td_fill_rand_seeds_os(struct thread_data *td) |
5bfc35d7 JA |
591 | { |
592 | os_random_seed(td->rand_seeds[0], &td->bsrange_state); | |
593 | os_random_seed(td->rand_seeds[1], &td->verify_state); | |
594 | os_random_seed(td->rand_seeds[2], &td->rwmix_state); | |
595 | ||
596 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
597 | os_random_seed(td->rand_seeds[3], &td->next_file_state); | |
598 | ||
599 | os_random_seed(td->rand_seeds[5], &td->file_size_state); | |
0d29de83 | 600 | os_random_seed(td->rand_seeds[6], &td->trim_state); |
5bfc35d7 JA |
601 | |
602 | if (!td_random(td)) | |
603 | return; | |
604 | ||
605 | if (td->o.rand_repeatable) | |
606 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
607 | ||
608 | os_random_seed(td->rand_seeds[4], &td->random_state); | |
4c07ad86 JA |
609 | } |
610 | ||
611 | static void td_fill_rand_seeds_internal(struct thread_data *td) | |
612 | { | |
613 | init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); | |
614 | init_rand_seed(&td->__verify_state, td->rand_seeds[1]); | |
615 | init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); | |
616 | ||
617 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
618 | init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); | |
619 | ||
620 | init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); | |
621 | init_rand_seed(&td->__trim_state, td->rand_seeds[6]); | |
622 | ||
623 | if (!td_random(td)) | |
624 | return; | |
625 | ||
626 | if (td->o.rand_repeatable) | |
627 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
628 | ||
2615cc4b | 629 | init_rand_seed(&td->__random_state, td->rand_seeds[4]); |
5bfc35d7 JA |
630 | } |
631 | ||
4c07ad86 JA |
632 | void td_fill_rand_seeds(struct thread_data *td) |
633 | { | |
634 | if (td->o.use_os_rand) | |
635 | td_fill_rand_seeds_os(td); | |
636 | else | |
637 | td_fill_rand_seeds_internal(td); | |
3545a109 JA |
638 | |
639 | init_rand_seed(&td->buf_state, td->rand_seeds[7]); | |
4c07ad86 JA |
640 | } |
641 | ||
9c60ce64 JA |
642 | /* |
643 | * Initialize the various random states we need (random io, block size ranges, | |
644 | * read/write mix, etc). | |
645 | */ | |
646 | static int init_random_state(struct thread_data *td) | |
647 | { | |
68727076 | 648 | int fd; |
9c60ce64 JA |
649 | |
650 | fd = open("/dev/urandom", O_RDONLY); | |
651 | if (fd == -1) { | |
652 | td_verror(td, errno, "open"); | |
653 | return 1; | |
654 | } | |
655 | ||
5bfc35d7 JA |
656 | if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) < |
657 | (int) sizeof(td->rand_seeds)) { | |
9c60ce64 JA |
658 | td_verror(td, EIO, "read"); |
659 | close(fd); | |
660 | return 1; | |
661 | } | |
662 | ||
663 | close(fd); | |
5bfc35d7 | 664 | td_fill_rand_seeds(td); |
9c60ce64 JA |
665 | return 0; |
666 | } | |
667 | ||
906c8d75 JA |
668 | /* |
669 | * Adds a job to the list of things todo. Sanitizes the various options | |
670 | * to make sure we don't have conflicts, and initializes various | |
671 | * members of td. | |
672 | */ | |
75154845 | 673 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 674 | { |
413dd459 JA |
675 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
676 | "randread", "randwrite", "randrw" }; | |
af52b345 | 677 | unsigned int i; |
09629a90 | 678 | const char *engine; |
af52b345 | 679 | char fname[PATH_MAX]; |
e132cbae | 680 | int numjobs, file_alloced; |
ebac4655 | 681 | |
ebac4655 JA |
682 | /* |
683 | * the def_thread is just for options, it's not a real job | |
684 | */ | |
685 | if (td == &def_thread) | |
686 | return 0; | |
687 | ||
cca73aa7 JA |
688 | /* |
689 | * if we are just dumping the output command line, don't add the job | |
690 | */ | |
691 | if (dump_cmdline) { | |
692 | put_job(td); | |
693 | return 0; | |
694 | } | |
695 | ||
58c55ba0 | 696 | if (profile_td_init(td)) |
66251554 | 697 | goto err; |
58c55ba0 | 698 | |
2dc1bbeb | 699 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
700 | td->io_ops = load_ioengine(td, engine); |
701 | if (!td->io_ops) { | |
702 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 703 | goto err; |
09629a90 | 704 | } |
df64119d | 705 | |
2dc1bbeb | 706 | if (td->o.use_thread) |
9cedf167 JA |
707 | nr_thread++; |
708 | else | |
709 | nr_process++; | |
710 | ||
2dc1bbeb | 711 | if (td->o.odirect) |
690adba3 JA |
712 | td->io_ops->flags |= FIO_RAWIO; |
713 | ||
e132cbae | 714 | file_alloced = 0; |
691c8fb0 | 715 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 716 | file_alloced = 1; |
80be24f4 | 717 | |
2dc1bbeb | 718 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 719 | add_file(td, jobname); |
7b05a215 | 720 | else { |
2dc1bbeb | 721 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
722 | sprintf(fname, "%s.%d.%d", jobname, |
723 | td->thread_number, i); | |
7b05a215 JA |
724 | add_file(td, fname); |
725 | } | |
af52b345 | 726 | } |
0af7b542 | 727 | } |
ebac4655 | 728 | |
4e991c23 JA |
729 | if (fixup_options(td)) |
730 | goto err; | |
e0a22335 | 731 | |
07eb79df JA |
732 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
733 | struct fio_file *f; | |
734 | ||
735 | for_each_file(td, f, i) | |
736 | f->real_file_size = -1ULL; | |
737 | } | |
738 | ||
cdd18ad8 | 739 | td->mutex = fio_mutex_init(0); |
ebac4655 | 740 | |
83349190 YH |
741 | td->ts.clat_percentiles = td->o.clat_percentiles; |
742 | if (td->o.overwrite_plist) | |
802ad4a8 | 743 | memcpy(td->ts.percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list)); |
83349190 | 744 | else |
802ad4a8 | 745 | memcpy(td->ts.percentile_list, def_percentile_list, sizeof(def_percentile_list)); |
83349190 | 746 | |
756867bd JA |
747 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
748 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
02af0988 | 749 | td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX; |
756867bd | 750 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; |
cdd5411e | 751 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
ebac4655 | 752 | |
755c3189 | 753 | if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { |
3c5df6fa | 754 | prev_group_jobs = 0; |
ebac4655 | 755 | groupid++; |
3c5df6fa | 756 | } |
ebac4655 JA |
757 | |
758 | td->groupid = groupid; | |
3c5df6fa | 759 | prev_group_jobs++; |
ebac4655 | 760 | |
9c60ce64 JA |
761 | if (init_random_state(td)) |
762 | goto err; | |
763 | ||
ebac4655 JA |
764 | if (setup_rate(td)) |
765 | goto err; | |
766 | ||
2dc1bbeb | 767 | if (td->o.write_lat_log) { |
7b9f733a JA |
768 | setup_log(&td->lat_log); |
769 | setup_log(&td->slat_log); | |
770 | setup_log(&td->clat_log); | |
ebac4655 | 771 | } |
2dc1bbeb | 772 | if (td->o.write_bw_log) |
7b9f733a | 773 | setup_log(&td->bw_log); |
c8eeb9df JA |
774 | if (td->o.write_iops_log) |
775 | setup_log(&td->iops_log); | |
ebac4655 | 776 | |
2dc1bbeb JA |
777 | if (!td->o.name) |
778 | td->o.name = strdup(jobname); | |
01452055 | 779 | |
c6ae0a5b | 780 | if (!terse_output) { |
b990b5c0 | 781 | if (!job_add_num) { |
5ec10eaa JA |
782 | if (!strcmp(td->io_ops->name, "cpuio")) { |
783 | log_info("%s: ioengine=cpu, cpuload=%u," | |
784 | " cpucycle=%u\n", td->o.name, | |
785 | td->o.cpuload, | |
786 | td->o.cpucycle); | |
787 | } else { | |
f8977ee6 JA |
788 | char *c1, *c2, *c3, *c4; |
789 | ||
2dc1bbeb JA |
790 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
791 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
792 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
793 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 794 | |
5ec10eaa JA |
795 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
796 | " ioengine=%s, iodepth=%u\n", | |
797 | td->o.name, td->groupid, | |
798 | ddir_str[td->o.td_ddir], | |
799 | c1, c2, c3, c4, | |
800 | td->io_ops->name, | |
801 | td->o.iodepth); | |
f8977ee6 JA |
802 | |
803 | free(c1); | |
804 | free(c2); | |
805 | free(c3); | |
806 | free(c4); | |
807 | } | |
b990b5c0 | 808 | } else if (job_add_num == 1) |
6d86144d | 809 | log_info("...\n"); |
c6ae0a5b | 810 | } |
ebac4655 JA |
811 | |
812 | /* | |
813 | * recurse add identical jobs, clear numjobs and stonewall options | |
814 | * as they don't apply to sub-jobs | |
815 | */ | |
2dc1bbeb | 816 | numjobs = td->o.numjobs; |
ebac4655 JA |
817 | while (--numjobs) { |
818 | struct thread_data *td_new = get_new_job(0, td); | |
819 | ||
820 | if (!td_new) | |
821 | goto err; | |
822 | ||
2dc1bbeb JA |
823 | td_new->o.numjobs = 1; |
824 | td_new->o.stonewall = 0; | |
92c1d41f | 825 | td_new->o.new_group = 0; |
e132cbae JA |
826 | |
827 | if (file_alloced) { | |
2dc1bbeb | 828 | td_new->o.filename = NULL; |
e132cbae | 829 | td_new->files_index = 0; |
4e6ea2f1 | 830 | td_new->files_size = 0; |
e132cbae JA |
831 | td_new->files = NULL; |
832 | } | |
833 | ||
75154845 | 834 | job_add_num = numjobs - 1; |
ebac4655 | 835 | |
75154845 | 836 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
837 | goto err; |
838 | } | |
3c5df6fa | 839 | |
ebac4655 JA |
840 | return 0; |
841 | err: | |
842 | put_job(td); | |
843 | return -1; | |
844 | } | |
845 | ||
79d16311 JA |
846 | /* |
847 | * Parse as if 'o' was a command line | |
848 | */ | |
849 | void add_job_opts(const char **o) | |
850 | { | |
851 | struct thread_data *td, *td_parent; | |
852 | int i, in_global = 1; | |
853 | char jobname[32]; | |
854 | ||
855 | i = 0; | |
856 | td_parent = td = NULL; | |
857 | while (o[i]) { | |
858 | if (!strncmp(o[i], "name", 4)) { | |
859 | in_global = 0; | |
860 | if (td) | |
861 | add_job(td, jobname, 0); | |
862 | td = NULL; | |
863 | sprintf(jobname, "%s", o[i] + 5); | |
864 | } | |
865 | if (in_global && !td_parent) | |
866 | td_parent = get_new_job(1, &def_thread); | |
867 | else if (!in_global && !td) { | |
868 | if (!td_parent) | |
869 | td_parent = &def_thread; | |
870 | td = get_new_job(0, td_parent); | |
871 | } | |
872 | if (in_global) | |
873 | fio_options_parse(td_parent, (char **) &o[i], 1); | |
874 | else | |
875 | fio_options_parse(td, (char **) &o[i], 1); | |
876 | i++; | |
877 | } | |
878 | ||
879 | if (td) | |
880 | add_job(td, jobname, 0); | |
881 | } | |
882 | ||
01f06b63 JA |
883 | static int skip_this_section(const char *name) |
884 | { | |
ad0a2735 JA |
885 | int i; |
886 | ||
887 | if (!nr_job_sections) | |
01f06b63 JA |
888 | return 0; |
889 | if (!strncmp(name, "global", 6)) | |
890 | return 0; | |
891 | ||
ad0a2735 JA |
892 | for (i = 0; i < nr_job_sections; i++) |
893 | if (!strcmp(job_sections[i], name)) | |
894 | return 0; | |
895 | ||
896 | return 1; | |
01f06b63 JA |
897 | } |
898 | ||
ebac4655 JA |
899 | static int is_empty_or_comment(char *line) |
900 | { | |
901 | unsigned int i; | |
902 | ||
903 | for (i = 0; i < strlen(line); i++) { | |
904 | if (line[i] == ';') | |
905 | return 1; | |
5cc2da30 IM |
906 | if (line[i] == '#') |
907 | return 1; | |
76cd9378 | 908 | if (!isspace((int) line[i]) && !iscntrl((int) line[i])) |
ebac4655 JA |
909 | return 0; |
910 | } | |
911 | ||
912 | return 1; | |
913 | } | |
914 | ||
07261983 JA |
915 | /* |
916 | * This is our [ini] type file parser. | |
917 | */ | |
50d16976 | 918 | int parse_jobs_ini(char *file, int is_buf, int stonewall_flag) |
ebac4655 | 919 | { |
e1f36503 | 920 | unsigned int global; |
ebac4655 | 921 | struct thread_data *td; |
fee3bb48 | 922 | char *string, *name; |
ebac4655 JA |
923 | FILE *f; |
924 | char *p; | |
0c7e37a0 | 925 | int ret = 0, stonewall; |
097b2991 | 926 | int first_sect = 1; |
ccf8f127 | 927 | int skip_fgets = 0; |
01f06b63 | 928 | int inside_skip = 0; |
3b8b7135 JA |
929 | char **opts; |
930 | int i, alloc_opts, num_opts; | |
ebac4655 | 931 | |
50d16976 JA |
932 | if (is_buf) |
933 | f = NULL; | |
934 | else { | |
935 | if (!strcmp(file, "-")) | |
936 | f = stdin; | |
937 | else | |
938 | f = fopen(file, "r"); | |
5a729cbe | 939 | |
50d16976 JA |
940 | if (!f) { |
941 | perror("fopen job file"); | |
942 | return 1; | |
943 | } | |
ebac4655 JA |
944 | } |
945 | ||
946 | string = malloc(4096); | |
7f7e6e59 JA |
947 | |
948 | /* | |
949 | * it's really 256 + small bit, 280 should suffice | |
950 | */ | |
951 | name = malloc(280); | |
952 | memset(name, 0, 280); | |
ebac4655 | 953 | |
3b8b7135 JA |
954 | alloc_opts = 8; |
955 | opts = malloc(sizeof(char *) * alloc_opts); | |
b7c6302d | 956 | num_opts = 0; |
3b8b7135 | 957 | |
0c7e37a0 | 958 | stonewall = stonewall_flag; |
7c124ac1 | 959 | do { |
ccf8f127 JA |
960 | /* |
961 | * if skip_fgets is set, we already have loaded a line we | |
962 | * haven't handled. | |
963 | */ | |
964 | if (!skip_fgets) { | |
50d16976 JA |
965 | if (is_buf) |
966 | p = strsep(&file, "\n"); | |
967 | else | |
968 | p = fgets(string, 4095, f); | |
ccf8f127 JA |
969 | if (!p) |
970 | break; | |
971 | } | |
cdc7f193 | 972 | |
ccf8f127 | 973 | skip_fgets = 0; |
cdc7f193 | 974 | strip_blank_front(&p); |
6c7c7da1 | 975 | strip_blank_end(p); |
cdc7f193 | 976 | |
ebac4655 JA |
977 | if (is_empty_or_comment(p)) |
978 | continue; | |
84dd1886 | 979 | if (sscanf(p, "[%255[^\n]]", name) != 1) { |
01f06b63 JA |
980 | if (inside_skip) |
981 | continue; | |
5ec10eaa JA |
982 | log_err("fio: option <%s> outside of [] job section\n", |
983 | p); | |
088b4207 | 984 | break; |
6c7c7da1 | 985 | } |
ebac4655 | 986 | |
7a4b80a1 JA |
987 | name[strlen(name) - 1] = '\0'; |
988 | ||
01f06b63 JA |
989 | if (skip_this_section(name)) { |
990 | inside_skip = 1; | |
991 | continue; | |
992 | } else | |
993 | inside_skip = 0; | |
994 | ||
ebac4655 JA |
995 | global = !strncmp(name, "global", 6); |
996 | ||
cca73aa7 | 997 | if (dump_cmdline) { |
097b2991 JA |
998 | if (first_sect) |
999 | log_info("fio "); | |
cca73aa7 JA |
1000 | if (!global) |
1001 | log_info("--name=%s ", name); | |
097b2991 | 1002 | first_sect = 0; |
cca73aa7 JA |
1003 | } |
1004 | ||
ebac4655 | 1005 | td = get_new_job(global, &def_thread); |
45410acb JA |
1006 | if (!td) { |
1007 | ret = 1; | |
1008 | break; | |
1009 | } | |
ebac4655 | 1010 | |
972cfd25 JA |
1011 | /* |
1012 | * Seperate multiple job files by a stonewall | |
1013 | */ | |
f9481919 | 1014 | if (!global && stonewall) { |
2dc1bbeb | 1015 | td->o.stonewall = stonewall; |
972cfd25 JA |
1016 | stonewall = 0; |
1017 | } | |
1018 | ||
3b8b7135 JA |
1019 | num_opts = 0; |
1020 | memset(opts, 0, alloc_opts * sizeof(char *)); | |
1021 | ||
50d16976 JA |
1022 | while (1) { |
1023 | if (is_buf) | |
1024 | p = strsep(&file, "\n"); | |
1025 | else | |
1026 | p = fgets(string, 4096, f); | |
1027 | if (!p) | |
1028 | break; | |
1029 | ||
ebac4655 JA |
1030 | if (is_empty_or_comment(p)) |
1031 | continue; | |
e1f36503 | 1032 | |
b6754f9d | 1033 | strip_blank_front(&p); |
7c124ac1 | 1034 | |
ccf8f127 JA |
1035 | /* |
1036 | * new section, break out and make sure we don't | |
1037 | * fgets() a new line at the top. | |
1038 | */ | |
1039 | if (p[0] == '[') { | |
1040 | skip_fgets = 1; | |
7c124ac1 | 1041 | break; |
ccf8f127 | 1042 | } |
7c124ac1 | 1043 | |
4ae3f763 | 1044 | strip_blank_end(p); |
aea47d44 | 1045 | |
3b8b7135 JA |
1046 | if (num_opts == alloc_opts) { |
1047 | alloc_opts <<= 1; | |
1048 | opts = realloc(opts, | |
1049 | alloc_opts * sizeof(char *)); | |
1050 | } | |
1051 | ||
1052 | opts[num_opts] = strdup(p); | |
1053 | num_opts++; | |
ebac4655 | 1054 | } |
ebac4655 | 1055 | |
3b8b7135 JA |
1056 | ret = fio_options_parse(td, opts, num_opts); |
1057 | if (!ret) { | |
1058 | if (dump_cmdline) | |
1059 | for (i = 0; i < num_opts; i++) | |
1060 | log_info("--%s ", opts[i]); | |
1061 | ||
45410acb | 1062 | ret = add_job(td, name, 0); |
3b8b7135 | 1063 | } else { |
b1508cf9 JA |
1064 | log_err("fio: job %s dropped\n", name); |
1065 | put_job(td); | |
45410acb | 1066 | } |
3b8b7135 JA |
1067 | |
1068 | for (i = 0; i < num_opts; i++) | |
1069 | free(opts[i]); | |
1070 | num_opts = 0; | |
7c124ac1 | 1071 | } while (!ret); |
ebac4655 | 1072 | |
cca73aa7 JA |
1073 | if (dump_cmdline) |
1074 | log_info("\n"); | |
1075 | ||
3b8b7135 JA |
1076 | for (i = 0; i < num_opts; i++) |
1077 | free(opts[i]); | |
1078 | ||
ebac4655 JA |
1079 | free(string); |
1080 | free(name); | |
2577594d | 1081 | free(opts); |
50d16976 | 1082 | if (!is_buf && f != stdin) |
5a729cbe | 1083 | fclose(f); |
45410acb | 1084 | return ret; |
ebac4655 JA |
1085 | } |
1086 | ||
1087 | static int fill_def_thread(void) | |
1088 | { | |
1089 | memset(&def_thread, 0, sizeof(def_thread)); | |
1090 | ||
375b2695 | 1091 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
8c029376 | 1092 | def_thread.o.timeout = def_timeout; |
ebac4655 JA |
1093 | |
1094 | /* | |
ee738499 | 1095 | * fill default options |
ebac4655 | 1096 | */ |
214e1eca | 1097 | fio_fill_default_options(&def_thread); |
ebac4655 JA |
1098 | return 0; |
1099 | } | |
1100 | ||
45378b35 | 1101 | static void usage(const char *name) |
4785f995 | 1102 | { |
085399db | 1103 | printf("fio %s\n", fio_version_string); |
45378b35 | 1104 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 1105 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
1106 | printf("\t--output\tWrite output to file\n"); |
1107 | printf("\t--timeout\tRuntime in seconds\n"); | |
1108 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1109 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1110 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1111 | printf("\t--version\tPrint version info and exit\n"); | |
f57a9c59 | 1112 | printf("\t--terse-version=x Terse version output format\n"); |
fd28ca49 | 1113 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
1114 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
1115 | " them\n"); | |
cca73aa7 | 1116 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
1117 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
1118 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
1119 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
1120 | " writes\n"); | |
01f06b63 | 1121 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
1122 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
1123 | " (def 1024)\n"); | |
a9523c6f | 1124 | printf("\t--warnings-fatal Fio parser warnings are fatal\n"); |
fca70358 | 1125 | printf("\t--max-jobs\tMaximum number of threads/processes to support\n"); |
132159a5 JA |
1126 | printf("\t--server\tStart a backend fio server\n"); |
1127 | printf("\t--client=hostname Talk to remove backend fio server at hostname\n"); | |
1128 | printf("\t--net-port=port\tUse specified port for client/server connection\n"); | |
aa58d252 JA |
1129 | printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); |
1130 | printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); | |
4785f995 JA |
1131 | } |
1132 | ||
79e48f72 | 1133 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 1134 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
1135 | { .name = "process", .shift = FD_PROCESS, }, |
1136 | { .name = "file", .shift = FD_FILE, }, | |
1137 | { .name = "io", .shift = FD_IO, }, | |
1138 | { .name = "mem", .shift = FD_MEM, }, | |
1139 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
1140 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 1141 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 1142 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 1143 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
5e1d306e | 1144 | { .name = "job", .shift = FD_JOB }, |
29adda3c | 1145 | { .name = "mutex", .shift = FD_MUTEX }, |
79d16311 | 1146 | { .name = "profile", .shift = FD_PROFILE }, |
c223da83 | 1147 | { .name = "time", .shift = FD_TIME }, |
eb7976ef | 1148 | { .name = "net", .shift = FD_NET }, |
02444ad1 | 1149 | { .name = NULL, }, |
ee56ad50 JA |
1150 | }; |
1151 | ||
c09823ab | 1152 | static int set_debug(const char *string) |
ee56ad50 JA |
1153 | { |
1154 | struct debug_level *dl; | |
1155 | char *p = (char *) string; | |
1156 | char *opt; | |
1157 | int i; | |
1158 | ||
1159 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
ee56ad50 JA |
1160 | log_info("fio: dumping debug options:"); |
1161 | for (i = 0; debug_levels[i].name; i++) { | |
1162 | dl = &debug_levels[i]; | |
1163 | log_info("%s,", dl->name); | |
1164 | } | |
bd6f78b2 | 1165 | log_info("all\n"); |
c09823ab | 1166 | return 1; |
ee56ad50 JA |
1167 | } |
1168 | ||
1169 | while ((opt = strsep(&p, ",")) != NULL) { | |
1170 | int found = 0; | |
1171 | ||
5e1d306e JA |
1172 | if (!strncmp(opt, "all", 3)) { |
1173 | log_info("fio: set all debug options\n"); | |
1174 | fio_debug = ~0UL; | |
1175 | continue; | |
1176 | } | |
1177 | ||
ee56ad50 JA |
1178 | for (i = 0; debug_levels[i].name; i++) { |
1179 | dl = &debug_levels[i]; | |
5e1d306e JA |
1180 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
1181 | if (!found) | |
1182 | continue; | |
1183 | ||
1184 | if (dl->shift == FD_JOB) { | |
1185 | opt = strchr(opt, ':'); | |
1186 | if (!opt) { | |
1187 | log_err("fio: missing job number\n"); | |
1188 | break; | |
1189 | } | |
1190 | opt++; | |
1191 | fio_debug_jobno = atoi(opt); | |
1192 | log_info("fio: set debug jobno %d\n", | |
1193 | fio_debug_jobno); | |
1194 | } else { | |
ee56ad50 | 1195 | log_info("fio: set debug option %s\n", opt); |
bd6f78b2 | 1196 | fio_debug |= (1UL << dl->shift); |
ee56ad50 | 1197 | } |
5e1d306e | 1198 | break; |
ee56ad50 JA |
1199 | } |
1200 | ||
1201 | if (!found) | |
1202 | log_err("fio: debug mask %s not found\n", opt); | |
1203 | } | |
c09823ab | 1204 | return 0; |
ee56ad50 | 1205 | } |
79e48f72 | 1206 | #else |
69b98d4c | 1207 | static int set_debug(const char *string) |
79e48f72 JA |
1208 | { |
1209 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 1210 | return 1; |
79e48f72 JA |
1211 | } |
1212 | #endif | |
9ac8a797 | 1213 | |
4c6107ff JA |
1214 | static void fio_options_fill_optstring(void) |
1215 | { | |
1216 | char *ostr = cmd_optstr; | |
1217 | int i, c; | |
1218 | ||
1219 | c = i = 0; | |
1220 | while (l_opts[i].name) { | |
1221 | ostr[c++] = l_opts[i].val; | |
1222 | if (l_opts[i].has_arg == required_argument) | |
1223 | ostr[c++] = ':'; | |
1224 | else if (l_opts[i].has_arg == optional_argument) { | |
1225 | ostr[c++] = ':'; | |
1226 | ostr[c++] = ':'; | |
1227 | } | |
1228 | i++; | |
1229 | } | |
1230 | ostr[c] = '\0'; | |
1231 | } | |
1232 | ||
c2c94585 JA |
1233 | static int client_flag_set(char c) |
1234 | { | |
1235 | int i; | |
1236 | ||
1237 | i = 0; | |
1238 | while (l_opts[i].name) { | |
1239 | int val = l_opts[i].val; | |
1240 | ||
1241 | if (c == (val & 0xff)) | |
1242 | return (val & FIO_CLIENT_FLAG); | |
1243 | ||
1244 | i++; | |
1245 | } | |
1246 | ||
1247 | return 0; | |
1248 | } | |
1249 | ||
7a4b8240 JA |
1250 | int parse_cmd_client(char *client, char *opt) |
1251 | { | |
1252 | return fio_client_add_cmd_option(client, opt); | |
1253 | } | |
1254 | ||
81179eec | 1255 | int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1256 | { |
b4692828 | 1257 | struct thread_data *td = NULL; |
c09823ab | 1258 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
4c6107ff | 1259 | char *ostr = cmd_optstr; |
e46d8091 | 1260 | int daemonize_server = 0; |
81179eec JA |
1261 | char *cur_client = NULL; |
1262 | int backend = 0; | |
ebac4655 | 1263 | |
c2c94585 JA |
1264 | /* |
1265 | * Reset optind handling, since we may call this multiple times | |
1266 | * for the backend. | |
1267 | */ | |
1268 | optind = 1; | |
7a4b8240 | 1269 | |
c2c94585 | 1270 | while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { |
085399db JA |
1271 | did_arg = 1; |
1272 | ||
c2c94585 | 1273 | if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) { |
7a4b8240 JA |
1274 | if (parse_cmd_client(cur_client, argv[optind - 1])) { |
1275 | exit_val = 1; | |
1276 | do_exit++; | |
1277 | break; | |
1278 | } | |
1279 | c &= ~FIO_CLIENT_FLAG; | |
1280 | } | |
1281 | ||
ebac4655 | 1282 | switch (c) { |
2b386d25 JA |
1283 | case 'a': |
1284 | smalloc_pool_size = atoi(optarg); | |
1285 | break; | |
b4692828 | 1286 | case 't': |
8c029376 | 1287 | def_timeout = atoi(optarg); |
b4692828 JA |
1288 | break; |
1289 | case 'l': | |
1290 | write_lat_log = 1; | |
1291 | break; | |
3d73e5a9 | 1292 | case 'b': |
b4692828 JA |
1293 | write_bw_log = 1; |
1294 | break; | |
1295 | case 'o': | |
1296 | f_out = fopen(optarg, "w+"); | |
1297 | if (!f_out) { | |
1298 | perror("fopen output"); | |
1299 | exit(1); | |
1300 | } | |
1301 | f_err = f_out; | |
1302 | break; | |
1303 | case 'm': | |
1304 | terse_output = 1; | |
1305 | break; | |
1306 | case 'h': | |
c2c94585 JA |
1307 | if (!cur_client) |
1308 | usage(argv[0]); | |
1309 | do_exit++; | |
1310 | break; | |
fd28ca49 | 1311 | case 'c': |
c2c94585 JA |
1312 | if (!cur_client) |
1313 | fio_show_option_help(optarg); | |
1314 | do_exit++; | |
1315 | break; | |
cca73aa7 JA |
1316 | case 's': |
1317 | dump_cmdline = 1; | |
1318 | break; | |
724e4435 JA |
1319 | case 'r': |
1320 | read_only = 1; | |
1321 | break; | |
b4692828 | 1322 | case 'v': |
c2c94585 | 1323 | if (!cur_client) |
085399db | 1324 | log_info("fio %s\n", fio_version_string); |
c2c94585 JA |
1325 | do_exit++; |
1326 | break; | |
f57a9c59 JA |
1327 | case 'V': |
1328 | terse_version = atoi(optarg); | |
1329 | if (terse_version != 2) { | |
1330 | log_err("fio: bad terse version format\n"); | |
1331 | exit_val = 1; | |
1332 | do_exit++; | |
1333 | } | |
1334 | break; | |
e592a06b AC |
1335 | case 'e': |
1336 | if (!strcmp("always", optarg)) | |
1337 | eta_print = FIO_ETA_ALWAYS; | |
1338 | else if (!strcmp("never", optarg)) | |
1339 | eta_print = FIO_ETA_NEVER; | |
1340 | break; | |
ee56ad50 | 1341 | case 'd': |
c09823ab JA |
1342 | if (set_debug(optarg)) |
1343 | do_exit++; | |
ee56ad50 | 1344 | break; |
ad0a2735 JA |
1345 | case 'x': { |
1346 | size_t new_size; | |
1347 | ||
01f06b63 | 1348 | if (!strcmp(optarg, "global")) { |
5ec10eaa JA |
1349 | log_err("fio: can't use global as only " |
1350 | "section\n"); | |
c09823ab JA |
1351 | do_exit++; |
1352 | exit_val = 1; | |
01f06b63 JA |
1353 | break; |
1354 | } | |
ad0a2735 JA |
1355 | new_size = (nr_job_sections + 1) * sizeof(char *); |
1356 | job_sections = realloc(job_sections, new_size); | |
1357 | job_sections[nr_job_sections] = strdup(optarg); | |
1358 | nr_job_sections++; | |
01f06b63 | 1359 | break; |
ad0a2735 | 1360 | } |
9ac8a797 | 1361 | case 'p': |
07b3232d | 1362 | exec_profile = strdup(optarg); |
9ac8a797 | 1363 | break; |
b4692828 | 1364 | case FIO_GETOPT_JOB: { |
5ec10eaa | 1365 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
1366 | char *val = optarg; |
1367 | ||
c2b1e753 | 1368 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 1369 | ret = add_job(td, td->o.name ?: "fio", 0); |
66251554 | 1370 | if (ret) |
c2b1e753 | 1371 | return 0; |
c2b1e753 JA |
1372 | td = NULL; |
1373 | } | |
b4692828 | 1374 | if (!td) { |
01f06b63 | 1375 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
1376 | int global = 0; |
1377 | ||
01f06b63 | 1378 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 1379 | global = 1; |
c2b1e753 | 1380 | |
01f06b63 JA |
1381 | if (is_section && skip_this_section(val)) |
1382 | continue; | |
1383 | ||
c2b1e753 | 1384 | td = get_new_job(global, &def_thread); |
b4692828 JA |
1385 | if (!td) |
1386 | return 0; | |
1387 | } | |
38d0adb0 | 1388 | |
214e1eca | 1389 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
1390 | break; |
1391 | } | |
a9523c6f JA |
1392 | case 'w': |
1393 | warnings_fatal = 1; | |
1394 | break; | |
fca70358 JA |
1395 | case 'j': |
1396 | max_jobs = atoi(optarg); | |
1397 | if (!max_jobs || max_jobs > REAL_MAX_JOBS) { | |
1398 | log_err("fio: invalid max jobs: %d\n", max_jobs); | |
1399 | do_exit++; | |
1400 | exit_val = 1; | |
1401 | } | |
1402 | break; | |
50d16976 | 1403 | case 'S': |
a37f69b7 | 1404 | if (nr_clients) { |
132159a5 JA |
1405 | log_err("fio: can't be both client and server\n"); |
1406 | do_exit++; | |
1407 | exit_val = 1; | |
1408 | break; | |
1409 | } | |
50d16976 | 1410 | is_backend = 1; |
81179eec | 1411 | backend = 1; |
50d16976 | 1412 | break; |
e46d8091 JA |
1413 | case 'D': |
1414 | daemonize_server = 1; | |
1415 | break; | |
132159a5 JA |
1416 | case 'P': |
1417 | fio_net_port = atoi(optarg); | |
1418 | break; | |
1419 | case 'C': | |
1420 | if (is_backend) { | |
1421 | log_err("fio: can't be both client and server\n"); | |
1422 | do_exit++; | |
1423 | exit_val = 1; | |
1424 | break; | |
1425 | } | |
a37f69b7 | 1426 | fio_client_add(optarg); |
81179eec | 1427 | cur_client = optarg; |
132159a5 | 1428 | break; |
b4692828 | 1429 | default: |
c09823ab JA |
1430 | do_exit++; |
1431 | exit_val = 1; | |
b4692828 | 1432 | break; |
ebac4655 | 1433 | } |
c7d5c941 JA |
1434 | if (do_exit) |
1435 | break; | |
ebac4655 | 1436 | } |
c9fad893 | 1437 | |
c2c94585 JA |
1438 | if (do_exit) { |
1439 | if (exit_val && !(is_backend || nr_clients)) | |
1440 | exit(exit_val); | |
1441 | } | |
536582bf | 1442 | |
a37f69b7 | 1443 | if (nr_clients && fio_clients_connect()) { |
132159a5 JA |
1444 | do_exit++; |
1445 | exit_val = 1; | |
cdf54d85 | 1446 | return -1; |
132159a5 JA |
1447 | } |
1448 | ||
81179eec | 1449 | if (is_backend && backend) |
e46d8091 | 1450 | return fio_start_server(daemonize_server); |
50d16976 | 1451 | |
b4692828 | 1452 | if (td) { |
7d6a8904 | 1453 | if (!ret) |
2dc1bbeb | 1454 | ret = add_job(td, td->o.name ?: "fio", 0); |
972cfd25 | 1455 | } |
774a6177 | 1456 | |
b4692828 JA |
1457 | while (optind < argc) { |
1458 | ini_idx++; | |
1459 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1460 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1461 | optind++; | |
eb8bbf48 | 1462 | } |
972cfd25 JA |
1463 | |
1464 | return ini_idx; | |
ebac4655 JA |
1465 | } |
1466 | ||
ebac4655 JA |
1467 | int parse_options(int argc, char *argv[]) |
1468 | { | |
972cfd25 JA |
1469 | int job_files, i; |
1470 | ||
b4692828 JA |
1471 | f_out = stdout; |
1472 | f_err = stderr; | |
1473 | ||
4c6107ff | 1474 | fio_options_fill_optstring(); |
5ec10eaa | 1475 | fio_options_dup_and_init(l_opts); |
b4692828 | 1476 | |
9d9eb2e7 JA |
1477 | atexit(free_shm); |
1478 | ||
ebac4655 JA |
1479 | if (fill_def_thread()) |
1480 | return 1; | |
1481 | ||
972cfd25 | 1482 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1483 | |
cdf54d85 JA |
1484 | if (job_files > 0) { |
1485 | for (i = 0; i < job_files; i++) { | |
1486 | if (fill_def_thread()) | |
132159a5 | 1487 | return 1; |
cdf54d85 JA |
1488 | if (nr_clients) { |
1489 | if (fio_clients_send_ini(ini_file[i])) | |
1490 | return 1; | |
1491 | free(ini_file[i]); | |
1492 | } else if (!is_backend) { | |
1493 | if (parse_jobs_ini(ini_file[i], 0, i)) | |
1494 | return 1; | |
1495 | free(ini_file[i]); | |
1496 | } | |
132159a5 | 1497 | } |
972cfd25 | 1498 | } |
ebac4655 | 1499 | |
88c6ed80 | 1500 | free(ini_file); |
d23bb327 | 1501 | options_mem_free(&def_thread); |
b4692828 JA |
1502 | |
1503 | if (!thread_number) { | |
cca73aa7 JA |
1504 | if (dump_cmdline) |
1505 | return 0; | |
07b3232d JA |
1506 | if (exec_profile) |
1507 | return 0; | |
a37f69b7 | 1508 | if (is_backend || nr_clients) |
5c341e9a | 1509 | return 0; |
085399db JA |
1510 | if (did_arg) |
1511 | return 0; | |
cca73aa7 | 1512 | |
d65e11c6 | 1513 | log_err("No jobs(s) defined\n\n"); |
085399db JA |
1514 | |
1515 | if (!did_arg) { | |
1516 | usage(argv[0]); | |
1517 | return 1; | |
1518 | } | |
1519 | ||
1520 | return 0; | |
b4692828 JA |
1521 | } |
1522 | ||
be4ecfdf JA |
1523 | if (def_thread.o.gtod_offload) { |
1524 | fio_gtod_init(); | |
1525 | fio_gtod_offload = 1; | |
1526 | fio_gtod_cpu = def_thread.o.gtod_cpu; | |
1527 | } | |
1528 | ||
085399db | 1529 | log_info("fio %s\n", fio_version_string); |
ebac4655 JA |
1530 | return 0; |
1531 | } |