Commit | Line | Data |
---|---|---|
906c8d75 | 1 | /* |
cb2c86fd | 2 | * This file contains job initialization and setup functions. |
906c8d75 | 3 | */ |
ebac4655 JA |
4 | #include <stdio.h> |
5 | #include <stdlib.h> | |
6 | #include <unistd.h> | |
7 | #include <fcntl.h> | |
8 | #include <ctype.h> | |
9 | #include <string.h> | |
10 | #include <errno.h> | |
11 | #include <sys/ipc.h> | |
12 | #include <sys/shm.h> | |
13 | #include <sys/types.h> | |
14 | #include <sys/stat.h> | |
15 | ||
16 | #include "fio.h" | |
cb2c86fd | 17 | #include "parse.h" |
2e5cdb11 | 18 | #include "smalloc.h" |
380065aa | 19 | #include "filehash.h" |
4f5af7b2 | 20 | #include "verify.h" |
79d16311 | 21 | #include "profile.h" |
50d16976 | 22 | #include "server.h" |
ebac4655 | 23 | |
bf2e821a CC |
24 | #include "lib/getopt.h" |
25 | ||
723cd80a | 26 | static char fio_version_string[] = "fio 1.58"; |
214e1eca | 27 | |
ee738499 | 28 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 29 | |
214e1eca | 30 | static char **ini_file; |
fca70358 | 31 | static int max_jobs = FIO_MAX_JOBS; |
cca73aa7 | 32 | static int dump_cmdline; |
e1f36503 | 33 | |
be4ecfdf | 34 | static struct thread_data def_thread; |
214e1eca | 35 | struct thread_data *threads = NULL; |
e1f36503 | 36 | |
214e1eca JA |
37 | int exitall_on_terminate = 0; |
38 | int terse_output = 0; | |
e592a06b | 39 | int eta_print; |
214e1eca JA |
40 | unsigned long long mlock_size = 0; |
41 | FILE *f_out = NULL; | |
42 | FILE *f_err = NULL; | |
ad0a2735 JA |
43 | char **job_sections = NULL; |
44 | int nr_job_sections = 0; | |
07b3232d | 45 | char *exec_profile = NULL; |
a9523c6f | 46 | int warnings_fatal = 0; |
f57a9c59 | 47 | int terse_version = 2; |
50d16976 | 48 | int is_backend = 0; |
a37f69b7 | 49 | int nr_clients = 0; |
e46d8091 | 50 | int log_syslog = 0; |
ee738499 | 51 | |
214e1eca | 52 | int write_bw_log = 0; |
4241ea8f | 53 | int read_only = 0; |
214e1eca | 54 | |
5ec10eaa | 55 | static int write_lat_log; |
e1f36503 | 56 | |
214e1eca | 57 | static int prev_group_jobs; |
b4692828 | 58 | |
ee56ad50 | 59 | unsigned long fio_debug = 0; |
5e1d306e JA |
60 | unsigned int fio_debug_jobno = -1; |
61 | unsigned int *fio_debug_jobp = NULL; | |
ee56ad50 | 62 | |
4c6107ff JA |
63 | static char cmd_optstr[256]; |
64 | ||
b4692828 JA |
65 | /* |
66 | * Command line options. These will contain the above, plus a few | |
67 | * extra that only pertain to fio itself and not jobs. | |
68 | */ | |
5ec10eaa | 69 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 | 70 | { |
08d2a19c | 71 | .name = (char *) "output", |
b4692828 JA |
72 | .has_arg = required_argument, |
73 | .val = 'o', | |
74 | }, | |
75 | { | |
08d2a19c | 76 | .name = (char *) "timeout", |
b4692828 JA |
77 | .has_arg = required_argument, |
78 | .val = 't', | |
79 | }, | |
80 | { | |
08d2a19c | 81 | .name = (char *) "latency-log", |
b4692828 JA |
82 | .has_arg = required_argument, |
83 | .val = 'l', | |
84 | }, | |
85 | { | |
08d2a19c | 86 | .name = (char *) "bandwidth-log", |
b4692828 JA |
87 | .has_arg = required_argument, |
88 | .val = 'b', | |
89 | }, | |
90 | { | |
08d2a19c | 91 | .name = (char *) "minimal", |
b4692828 JA |
92 | .has_arg = optional_argument, |
93 | .val = 'm', | |
94 | }, | |
95 | { | |
08d2a19c | 96 | .name = (char *) "version", |
b4692828 JA |
97 | .has_arg = no_argument, |
98 | .val = 'v', | |
99 | }, | |
fd28ca49 | 100 | { |
08d2a19c | 101 | .name = (char *) "help", |
fd28ca49 JA |
102 | .has_arg = no_argument, |
103 | .val = 'h', | |
104 | }, | |
105 | { | |
08d2a19c | 106 | .name = (char *) "cmdhelp", |
320beefe | 107 | .has_arg = optional_argument, |
fd28ca49 JA |
108 | .val = 'c', |
109 | }, | |
cca73aa7 | 110 | { |
08d2a19c | 111 | .name = (char *) "showcmd", |
cca73aa7 | 112 | .has_arg = no_argument, |
724e4435 JA |
113 | .val = 's', |
114 | }, | |
115 | { | |
08d2a19c | 116 | .name = (char *) "readonly", |
724e4435 JA |
117 | .has_arg = no_argument, |
118 | .val = 'r', | |
cca73aa7 | 119 | }, |
e592a06b | 120 | { |
08d2a19c | 121 | .name = (char *) "eta", |
e592a06b AC |
122 | .has_arg = required_argument, |
123 | .val = 'e', | |
124 | }, | |
ee56ad50 | 125 | { |
08d2a19c | 126 | .name = (char *) "debug", |
ee56ad50 JA |
127 | .has_arg = required_argument, |
128 | .val = 'd', | |
129 | }, | |
01f06b63 | 130 | { |
08d2a19c | 131 | .name = (char *) "section", |
01f06b63 JA |
132 | .has_arg = required_argument, |
133 | .val = 'x', | |
134 | }, | |
2b386d25 | 135 | { |
08d2a19c | 136 | .name = (char *) "alloc-size", |
2b386d25 JA |
137 | .has_arg = required_argument, |
138 | .val = 'a', | |
139 | }, | |
9ac8a797 | 140 | { |
08d2a19c | 141 | .name = (char *) "profile", |
9ac8a797 JA |
142 | .has_arg = required_argument, |
143 | .val = 'p', | |
144 | }, | |
a9523c6f | 145 | { |
08d2a19c | 146 | .name = (char *) "warnings-fatal", |
a9523c6f JA |
147 | .has_arg = no_argument, |
148 | .val = 'w', | |
149 | }, | |
fca70358 JA |
150 | { |
151 | .name = (char *) "max-jobs", | |
152 | .has_arg = required_argument, | |
153 | .val = 'j', | |
154 | }, | |
f57a9c59 JA |
155 | { |
156 | .name = (char *) "terse-version", | |
157 | .has_arg = required_argument, | |
158 | .val = 'V', | |
159 | }, | |
50d16976 JA |
160 | { |
161 | .name = (char *) "server", | |
162 | .has_arg = no_argument, | |
163 | .val = 'S', | |
164 | }, | |
e46d8091 JA |
165 | { .name = (char *) "daemonize", |
166 | .has_arg = no_argument, | |
167 | .val = 'D', | |
168 | }, | |
132159a5 JA |
169 | { |
170 | .name = (char *) "net-port", | |
171 | .has_arg = required_argument, | |
172 | .val = 'P', | |
173 | }, | |
174 | { | |
175 | .name = (char *) "client", | |
176 | .has_arg = required_argument, | |
177 | .val = 'C', | |
178 | }, | |
b4692828 JA |
179 | { |
180 | .name = NULL, | |
181 | }, | |
182 | }; | |
183 | ||
906c8d75 JA |
184 | /* |
185 | * Return a free job structure. | |
186 | */ | |
ebac4655 JA |
187 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
188 | { | |
189 | struct thread_data *td; | |
190 | ||
191 | if (global) | |
192 | return &def_thread; | |
e61f1ec8 BC |
193 | if (thread_number >= max_jobs) { |
194 | log_err("error: maximum number of jobs (%d) reached.\n", | |
195 | max_jobs); | |
ebac4655 | 196 | return NULL; |
e61f1ec8 | 197 | } |
ebac4655 JA |
198 | |
199 | td = &threads[thread_number++]; | |
ddaeaa5a | 200 | *td = *parent; |
ebac4655 | 201 | |
e0b0d892 JA |
202 | td->o.uid = td->o.gid = -1U; |
203 | ||
cade3ef4 | 204 | dup_files(td, parent); |
d23bb327 | 205 | options_mem_dupe(td); |
cade3ef4 | 206 | |
15dc1934 JA |
207 | profile_add_hooks(td); |
208 | ||
ebac4655 | 209 | td->thread_number = thread_number; |
ebac4655 JA |
210 | return td; |
211 | } | |
212 | ||
213 | static void put_job(struct thread_data *td) | |
214 | { | |
549577a7 JA |
215 | if (td == &def_thread) |
216 | return; | |
84dd1886 | 217 | |
58c55ba0 | 218 | profile_td_exit(td); |
549577a7 | 219 | |
16edf25d | 220 | if (td->error) |
6d86144d | 221 | log_info("fio: %s\n", td->verror); |
16edf25d | 222 | |
ebac4655 JA |
223 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
224 | thread_number--; | |
225 | } | |
226 | ||
581e7141 | 227 | static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
127f6865 | 228 | { |
581e7141 | 229 | unsigned int bs = td->o.min_bs[ddir]; |
ba3e4e0c | 230 | unsigned long long bytes_per_sec; |
127f6865 | 231 | |
ff58fced JA |
232 | assert(ddir_rw(ddir)); |
233 | ||
ba3e4e0c RR |
234 | if (td->o.rate[ddir]) |
235 | bytes_per_sec = td->o.rate[ddir]; | |
236 | else | |
237 | bytes_per_sec = td->o.rate_iops[ddir] * bs; | |
127f6865 | 238 | |
ba3e4e0c | 239 | if (!bytes_per_sec) { |
127f6865 JA |
240 | log_err("rate lower than supported\n"); |
241 | return -1; | |
242 | } | |
243 | ||
ba3e4e0c | 244 | td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec; |
581e7141 | 245 | td->rate_pending_usleep[ddir] = 0; |
127f6865 JA |
246 | return 0; |
247 | } | |
248 | ||
581e7141 JA |
249 | static int setup_rate(struct thread_data *td) |
250 | { | |
251 | int ret = 0; | |
252 | ||
253 | if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) | |
254 | ret = __setup_rate(td, DDIR_READ); | |
255 | if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) | |
256 | ret |= __setup_rate(td, DDIR_WRITE); | |
257 | ||
258 | return ret; | |
259 | } | |
260 | ||
8347239a JA |
261 | static int fixed_block_size(struct thread_options *o) |
262 | { | |
263 | return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && | |
264 | o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && | |
265 | o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; | |
266 | } | |
267 | ||
dad915e3 JA |
268 | /* |
269 | * Lazy way of fixing up options that depend on each other. We could also | |
270 | * define option callback handlers, but this is easier. | |
271 | */ | |
4e991c23 | 272 | static int fixup_options(struct thread_data *td) |
e1f36503 | 273 | { |
2dc1bbeb | 274 | struct thread_options *o = &td->o; |
ff217451 | 275 | int ret = 0; |
dad915e3 | 276 | |
f356d01d | 277 | #ifndef FIO_HAVE_PSHARED_MUTEX |
9bbf57cc | 278 | if (!o->use_thread) { |
f356d01d JA |
279 | log_info("fio: this platform does not support process shared" |
280 | " mutexes, forcing use of threads. Use the 'thread'" | |
281 | " option to get rid of this warning.\n"); | |
9bbf57cc | 282 | o->use_thread = 1; |
a9523c6f | 283 | ret = warnings_fatal; |
f356d01d JA |
284 | } |
285 | #endif | |
286 | ||
2dc1bbeb | 287 | if (o->write_iolog_file && o->read_iolog_file) { |
076efc7c | 288 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
289 | free(o->write_iolog_file); |
290 | o->write_iolog_file = NULL; | |
a9523c6f | 291 | ret = warnings_fatal; |
076efc7c | 292 | } |
16b462ae | 293 | |
16b462ae JA |
294 | /* |
295 | * only really works for sequential io for now, and with 1 file | |
296 | */ | |
2dc1bbeb JA |
297 | if (o->zone_size && td_random(td) && o->open_files == 1) |
298 | o->zone_size = 0; | |
16b462ae JA |
299 | |
300 | /* | |
301 | * Reads can do overwrites, we always need to pre-create the file | |
302 | */ | |
303 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 304 | o->overwrite = 1; |
16b462ae | 305 | |
2dc1bbeb | 306 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 307 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
308 | if (!o->max_bs[DDIR_READ]) |
309 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
310 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 311 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
312 | if (!o->max_bs[DDIR_WRITE]) |
313 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 314 | |
2dc1bbeb | 315 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 316 | |
2b7a01d0 JA |
317 | /* |
318 | * For random IO, allow blockalign offset other than min_bs. | |
319 | */ | |
320 | if (!o->ba[DDIR_READ] || !td_random(td)) | |
321 | o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; | |
322 | if (!o->ba[DDIR_WRITE] || !td_random(td)) | |
323 | o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; | |
324 | ||
325 | if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || | |
326 | o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && | |
9bbf57cc | 327 | !o->norandommap) { |
2b7a01d0 | 328 | log_err("fio: Any use of blockalign= turns off randommap\n"); |
9bbf57cc | 329 | o->norandommap = 1; |
a9523c6f | 330 | ret = warnings_fatal; |
2b7a01d0 JA |
331 | } |
332 | ||
2dc1bbeb JA |
333 | if (!o->file_size_high) |
334 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 335 | |
8347239a JA |
336 | if (o->norandommap && o->verify != VERIFY_NONE |
337 | && !fixed_block_size(o)) { | |
338 | log_err("fio: norandommap given for variable block sizes, " | |
339 | "verify disabled\n"); | |
2dc1bbeb | 340 | o->verify = VERIFY_NONE; |
a9523c6f | 341 | ret = warnings_fatal; |
bb8895e0 | 342 | } |
2dc1bbeb | 343 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 344 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 345 | |
48097d5c JA |
346 | /* |
347 | * thinktime_spin must be less than thinktime | |
348 | */ | |
2dc1bbeb JA |
349 | if (o->thinktime_spin > o->thinktime) |
350 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
351 | |
352 | /* | |
353 | * The low water mark cannot be bigger than the iodepth | |
354 | */ | |
2dc1bbeb | 355 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
356 | /* |
357 | * syslet work around - if the workload is sequential, | |
358 | * we want to let the queue drain all the way down to | |
359 | * avoid seeking between async threads | |
360 | */ | |
361 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 362 | o->iodepth_low = 1; |
9467b77c | 363 | else |
2dc1bbeb | 364 | o->iodepth_low = o->iodepth; |
9467b77c | 365 | } |
cb5ab512 JA |
366 | |
367 | /* | |
368 | * If batch number isn't set, default to the same as iodepth | |
369 | */ | |
2dc1bbeb JA |
370 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
371 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 372 | |
2dc1bbeb JA |
373 | if (o->nr_files > td->files_index) |
374 | o->nr_files = td->files_index; | |
9f9214f2 | 375 | |
2dc1bbeb JA |
376 | if (o->open_files > o->nr_files || !o->open_files) |
377 | o->open_files = o->nr_files; | |
4e991c23 | 378 | |
581e7141 JA |
379 | if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| |
380 | ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + | |
381 | o->rate_iops_min[1]))) { | |
4e991c23 | 382 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
a9523c6f | 383 | ret = 1; |
4e991c23 | 384 | } |
581e7141 JA |
385 | if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || |
386 | (o->rate_iops[0] < o->rate_iops_min[0]) || | |
387 | (o->rate_iops[1] < o->rate_iops_min[1])) { | |
4e991c23 | 388 | log_err("fio: minimum rate exceeds rate\n"); |
a9523c6f | 389 | ret = 1; |
4e991c23 JA |
390 | } |
391 | ||
cf4464ca JA |
392 | if (!o->timeout && o->time_based) { |
393 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
394 | o->time_based = 0; | |
a9523c6f | 395 | ret = warnings_fatal; |
cf4464ca JA |
396 | } |
397 | ||
aa31f1f1 | 398 | if (o->fill_device && !o->size) |
5921e80c | 399 | o->size = -1ULL; |
5ec10eaa | 400 | |
9bbf57cc | 401 | if (o->verify != VERIFY_NONE) { |
996936f9 | 402 | if (td_write(td) && o->do_verify && o->numjobs > 1) { |
a9523c6f JA |
403 | log_info("Multiple writers may overwrite blocks that " |
404 | "belong to other jobs. This can cause " | |
405 | "verification failures.\n"); | |
406 | ret = warnings_fatal; | |
407 | } | |
408 | ||
9bbf57cc | 409 | o->refill_buffers = 1; |
2f1b8e8b JA |
410 | if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
411 | !o->verify_interval) | |
412 | o->verify_interval = o->min_bs[DDIR_WRITE]; | |
d990588e | 413 | } |
41ccd845 | 414 | |
9bbf57cc JA |
415 | if (o->pre_read) { |
416 | o->invalidate_cache = 0; | |
a9523c6f | 417 | if (td->io_ops->flags & FIO_PIPEIO) { |
9c0d2241 JA |
418 | log_info("fio: cannot pre-read files with an IO engine" |
419 | " that isn't seekable. Pre-read disabled.\n"); | |
a9523c6f JA |
420 | ret = warnings_fatal; |
421 | } | |
9c0d2241 | 422 | } |
34f1c044 | 423 | |
e72fa4d4 | 424 | #ifndef FIO_HAVE_FDATASYNC |
9bbf57cc | 425 | if (o->fdatasync_blocks) { |
e72fa4d4 JA |
426 | log_info("fio: this platform does not support fdatasync()" |
427 | " falling back to using fsync(). Use the 'fsync'" | |
428 | " option instead of 'fdatasync' to get rid of" | |
429 | " this warning\n"); | |
9bbf57cc JA |
430 | o->fsync_blocks = o->fdatasync_blocks; |
431 | o->fdatasync_blocks = 0; | |
a9523c6f | 432 | ret = warnings_fatal; |
e72fa4d4 JA |
433 | } |
434 | #endif | |
435 | ||
a9523c6f | 436 | return ret; |
e1f36503 JA |
437 | } |
438 | ||
f8977ee6 JA |
439 | /* |
440 | * This function leaks the buffer | |
441 | */ | |
442 | static char *to_kmg(unsigned int val) | |
443 | { | |
444 | char *buf = malloc(32); | |
f3502ba2 | 445 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
446 | char *p = post; |
447 | ||
245142ff | 448 | do { |
f8977ee6 JA |
449 | if (val & 1023) |
450 | break; | |
451 | ||
452 | val >>= 10; | |
453 | p++; | |
245142ff | 454 | } while (*p); |
f8977ee6 JA |
455 | |
456 | snprintf(buf, 31, "%u%c", val, *p); | |
457 | return buf; | |
458 | } | |
459 | ||
09629a90 JA |
460 | /* External engines are specified by "external:name.o") */ |
461 | static const char *get_engine_name(const char *str) | |
462 | { | |
463 | char *p = strstr(str, ":"); | |
464 | ||
465 | if (!p) | |
466 | return str; | |
467 | ||
468 | p++; | |
469 | strip_blank_front(&p); | |
470 | strip_blank_end(p); | |
471 | return p; | |
472 | } | |
473 | ||
e132cbae JA |
474 | static int exists_and_not_file(const char *filename) |
475 | { | |
476 | struct stat sb; | |
477 | ||
478 | if (lstat(filename, &sb) == -1) | |
479 | return 0; | |
480 | ||
ecc314ba BC |
481 | /* \\.\ is the device namespace in Windows, where every file |
482 | * is a device node */ | |
483 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
e132cbae JA |
484 | return 0; |
485 | ||
486 | return 1; | |
487 | } | |
488 | ||
4c07ad86 | 489 | static void td_fill_rand_seeds_os(struct thread_data *td) |
5bfc35d7 JA |
490 | { |
491 | os_random_seed(td->rand_seeds[0], &td->bsrange_state); | |
492 | os_random_seed(td->rand_seeds[1], &td->verify_state); | |
493 | os_random_seed(td->rand_seeds[2], &td->rwmix_state); | |
494 | ||
495 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
496 | os_random_seed(td->rand_seeds[3], &td->next_file_state); | |
497 | ||
498 | os_random_seed(td->rand_seeds[5], &td->file_size_state); | |
0d29de83 | 499 | os_random_seed(td->rand_seeds[6], &td->trim_state); |
5bfc35d7 JA |
500 | |
501 | if (!td_random(td)) | |
502 | return; | |
503 | ||
504 | if (td->o.rand_repeatable) | |
505 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
506 | ||
507 | os_random_seed(td->rand_seeds[4], &td->random_state); | |
4c07ad86 JA |
508 | } |
509 | ||
510 | static void td_fill_rand_seeds_internal(struct thread_data *td) | |
511 | { | |
512 | init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); | |
513 | init_rand_seed(&td->__verify_state, td->rand_seeds[1]); | |
514 | init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); | |
515 | ||
516 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
517 | init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); | |
518 | ||
519 | init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); | |
520 | init_rand_seed(&td->__trim_state, td->rand_seeds[6]); | |
521 | ||
522 | if (!td_random(td)) | |
523 | return; | |
524 | ||
525 | if (td->o.rand_repeatable) | |
526 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
527 | ||
2615cc4b | 528 | init_rand_seed(&td->__random_state, td->rand_seeds[4]); |
5bfc35d7 JA |
529 | } |
530 | ||
4c07ad86 JA |
531 | void td_fill_rand_seeds(struct thread_data *td) |
532 | { | |
533 | if (td->o.use_os_rand) | |
534 | td_fill_rand_seeds_os(td); | |
535 | else | |
536 | td_fill_rand_seeds_internal(td); | |
3545a109 JA |
537 | |
538 | init_rand_seed(&td->buf_state, td->rand_seeds[7]); | |
4c07ad86 JA |
539 | } |
540 | ||
9c60ce64 JA |
541 | /* |
542 | * Initialize the various random states we need (random io, block size ranges, | |
543 | * read/write mix, etc). | |
544 | */ | |
545 | static int init_random_state(struct thread_data *td) | |
546 | { | |
68727076 | 547 | int fd; |
9c60ce64 JA |
548 | |
549 | fd = open("/dev/urandom", O_RDONLY); | |
550 | if (fd == -1) { | |
551 | td_verror(td, errno, "open"); | |
552 | return 1; | |
553 | } | |
554 | ||
5bfc35d7 JA |
555 | if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) < |
556 | (int) sizeof(td->rand_seeds)) { | |
9c60ce64 JA |
557 | td_verror(td, EIO, "read"); |
558 | close(fd); | |
559 | return 1; | |
560 | } | |
561 | ||
562 | close(fd); | |
5bfc35d7 | 563 | td_fill_rand_seeds(td); |
9c60ce64 JA |
564 | return 0; |
565 | } | |
566 | ||
906c8d75 JA |
567 | /* |
568 | * Adds a job to the list of things todo. Sanitizes the various options | |
569 | * to make sure we don't have conflicts, and initializes various | |
570 | * members of td. | |
571 | */ | |
75154845 | 572 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 573 | { |
413dd459 JA |
574 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
575 | "randread", "randwrite", "randrw" }; | |
af52b345 | 576 | unsigned int i; |
09629a90 | 577 | const char *engine; |
af52b345 | 578 | char fname[PATH_MAX]; |
e132cbae | 579 | int numjobs, file_alloced; |
ebac4655 | 580 | |
ebac4655 JA |
581 | /* |
582 | * the def_thread is just for options, it's not a real job | |
583 | */ | |
584 | if (td == &def_thread) | |
585 | return 0; | |
586 | ||
cca73aa7 JA |
587 | /* |
588 | * if we are just dumping the output command line, don't add the job | |
589 | */ | |
590 | if (dump_cmdline) { | |
591 | put_job(td); | |
592 | return 0; | |
593 | } | |
594 | ||
58c55ba0 | 595 | if (profile_td_init(td)) |
66251554 | 596 | goto err; |
58c55ba0 | 597 | |
2dc1bbeb | 598 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
599 | td->io_ops = load_ioengine(td, engine); |
600 | if (!td->io_ops) { | |
601 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 602 | goto err; |
09629a90 | 603 | } |
df64119d | 604 | |
2dc1bbeb | 605 | if (td->o.use_thread) |
9cedf167 JA |
606 | nr_thread++; |
607 | else | |
608 | nr_process++; | |
609 | ||
2dc1bbeb | 610 | if (td->o.odirect) |
690adba3 JA |
611 | td->io_ops->flags |= FIO_RAWIO; |
612 | ||
e132cbae | 613 | file_alloced = 0; |
691c8fb0 | 614 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 615 | file_alloced = 1; |
80be24f4 | 616 | |
2dc1bbeb | 617 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 618 | add_file(td, jobname); |
7b05a215 | 619 | else { |
2dc1bbeb | 620 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
621 | sprintf(fname, "%s.%d.%d", jobname, |
622 | td->thread_number, i); | |
7b05a215 JA |
623 | add_file(td, fname); |
624 | } | |
af52b345 | 625 | } |
0af7b542 | 626 | } |
ebac4655 | 627 | |
4e991c23 JA |
628 | if (fixup_options(td)) |
629 | goto err; | |
e0a22335 | 630 | |
07eb79df JA |
631 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
632 | struct fio_file *f; | |
633 | ||
634 | for_each_file(td, f, i) | |
635 | f->real_file_size = -1ULL; | |
636 | } | |
637 | ||
cdd18ad8 | 638 | td->mutex = fio_mutex_init(0); |
ebac4655 | 639 | |
83349190 YH |
640 | td->ts.clat_percentiles = td->o.clat_percentiles; |
641 | if (td->o.overwrite_plist) | |
642 | td->ts.percentile_list = td->o.percentile_list; | |
643 | else | |
644 | td->ts.percentile_list = NULL; | |
645 | ||
756867bd JA |
646 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
647 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
02af0988 | 648 | td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX; |
756867bd | 649 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; |
cdd5411e | 650 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
ebac4655 | 651 | |
755c3189 | 652 | if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { |
3c5df6fa | 653 | prev_group_jobs = 0; |
ebac4655 | 654 | groupid++; |
3c5df6fa | 655 | } |
ebac4655 JA |
656 | |
657 | td->groupid = groupid; | |
3c5df6fa | 658 | prev_group_jobs++; |
ebac4655 | 659 | |
9c60ce64 JA |
660 | if (init_random_state(td)) |
661 | goto err; | |
662 | ||
ebac4655 JA |
663 | if (setup_rate(td)) |
664 | goto err; | |
665 | ||
2dc1bbeb | 666 | if (td->o.write_lat_log) { |
7b9f733a JA |
667 | setup_log(&td->lat_log); |
668 | setup_log(&td->slat_log); | |
669 | setup_log(&td->clat_log); | |
ebac4655 | 670 | } |
2dc1bbeb | 671 | if (td->o.write_bw_log) |
7b9f733a | 672 | setup_log(&td->bw_log); |
ebac4655 | 673 | |
2dc1bbeb JA |
674 | if (!td->o.name) |
675 | td->o.name = strdup(jobname); | |
01452055 | 676 | |
c6ae0a5b | 677 | if (!terse_output) { |
b990b5c0 | 678 | if (!job_add_num) { |
5ec10eaa JA |
679 | if (!strcmp(td->io_ops->name, "cpuio")) { |
680 | log_info("%s: ioengine=cpu, cpuload=%u," | |
681 | " cpucycle=%u\n", td->o.name, | |
682 | td->o.cpuload, | |
683 | td->o.cpucycle); | |
684 | } else { | |
f8977ee6 JA |
685 | char *c1, *c2, *c3, *c4; |
686 | ||
2dc1bbeb JA |
687 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
688 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
689 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
690 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 691 | |
5ec10eaa JA |
692 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
693 | " ioengine=%s, iodepth=%u\n", | |
694 | td->o.name, td->groupid, | |
695 | ddir_str[td->o.td_ddir], | |
696 | c1, c2, c3, c4, | |
697 | td->io_ops->name, | |
698 | td->o.iodepth); | |
f8977ee6 JA |
699 | |
700 | free(c1); | |
701 | free(c2); | |
702 | free(c3); | |
703 | free(c4); | |
704 | } | |
b990b5c0 | 705 | } else if (job_add_num == 1) |
6d86144d | 706 | log_info("...\n"); |
c6ae0a5b | 707 | } |
ebac4655 JA |
708 | |
709 | /* | |
710 | * recurse add identical jobs, clear numjobs and stonewall options | |
711 | * as they don't apply to sub-jobs | |
712 | */ | |
2dc1bbeb | 713 | numjobs = td->o.numjobs; |
ebac4655 JA |
714 | while (--numjobs) { |
715 | struct thread_data *td_new = get_new_job(0, td); | |
716 | ||
717 | if (!td_new) | |
718 | goto err; | |
719 | ||
2dc1bbeb JA |
720 | td_new->o.numjobs = 1; |
721 | td_new->o.stonewall = 0; | |
92c1d41f | 722 | td_new->o.new_group = 0; |
e132cbae JA |
723 | |
724 | if (file_alloced) { | |
2dc1bbeb | 725 | td_new->o.filename = NULL; |
e132cbae | 726 | td_new->files_index = 0; |
4e6ea2f1 | 727 | td_new->files_size = 0; |
e132cbae JA |
728 | td_new->files = NULL; |
729 | } | |
730 | ||
75154845 | 731 | job_add_num = numjobs - 1; |
ebac4655 | 732 | |
75154845 | 733 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
734 | goto err; |
735 | } | |
3c5df6fa | 736 | |
ebac4655 JA |
737 | return 0; |
738 | err: | |
739 | put_job(td); | |
740 | return -1; | |
741 | } | |
742 | ||
79d16311 JA |
743 | /* |
744 | * Parse as if 'o' was a command line | |
745 | */ | |
746 | void add_job_opts(const char **o) | |
747 | { | |
748 | struct thread_data *td, *td_parent; | |
749 | int i, in_global = 1; | |
750 | char jobname[32]; | |
751 | ||
752 | i = 0; | |
753 | td_parent = td = NULL; | |
754 | while (o[i]) { | |
755 | if (!strncmp(o[i], "name", 4)) { | |
756 | in_global = 0; | |
757 | if (td) | |
758 | add_job(td, jobname, 0); | |
759 | td = NULL; | |
760 | sprintf(jobname, "%s", o[i] + 5); | |
761 | } | |
762 | if (in_global && !td_parent) | |
763 | td_parent = get_new_job(1, &def_thread); | |
764 | else if (!in_global && !td) { | |
765 | if (!td_parent) | |
766 | td_parent = &def_thread; | |
767 | td = get_new_job(0, td_parent); | |
768 | } | |
769 | if (in_global) | |
770 | fio_options_parse(td_parent, (char **) &o[i], 1); | |
771 | else | |
772 | fio_options_parse(td, (char **) &o[i], 1); | |
773 | i++; | |
774 | } | |
775 | ||
776 | if (td) | |
777 | add_job(td, jobname, 0); | |
778 | } | |
779 | ||
01f06b63 JA |
780 | static int skip_this_section(const char *name) |
781 | { | |
ad0a2735 JA |
782 | int i; |
783 | ||
784 | if (!nr_job_sections) | |
01f06b63 JA |
785 | return 0; |
786 | if (!strncmp(name, "global", 6)) | |
787 | return 0; | |
788 | ||
ad0a2735 JA |
789 | for (i = 0; i < nr_job_sections; i++) |
790 | if (!strcmp(job_sections[i], name)) | |
791 | return 0; | |
792 | ||
793 | return 1; | |
01f06b63 JA |
794 | } |
795 | ||
ebac4655 JA |
796 | static int is_empty_or_comment(char *line) |
797 | { | |
798 | unsigned int i; | |
799 | ||
800 | for (i = 0; i < strlen(line); i++) { | |
801 | if (line[i] == ';') | |
802 | return 1; | |
5cc2da30 IM |
803 | if (line[i] == '#') |
804 | return 1; | |
76cd9378 | 805 | if (!isspace((int) line[i]) && !iscntrl((int) line[i])) |
ebac4655 JA |
806 | return 0; |
807 | } | |
808 | ||
809 | return 1; | |
810 | } | |
811 | ||
07261983 JA |
812 | /* |
813 | * This is our [ini] type file parser. | |
814 | */ | |
50d16976 | 815 | int parse_jobs_ini(char *file, int is_buf, int stonewall_flag) |
ebac4655 | 816 | { |
e1f36503 | 817 | unsigned int global; |
ebac4655 | 818 | struct thread_data *td; |
fee3bb48 | 819 | char *string, *name; |
ebac4655 JA |
820 | FILE *f; |
821 | char *p; | |
0c7e37a0 | 822 | int ret = 0, stonewall; |
097b2991 | 823 | int first_sect = 1; |
ccf8f127 | 824 | int skip_fgets = 0; |
01f06b63 | 825 | int inside_skip = 0; |
3b8b7135 JA |
826 | char **opts; |
827 | int i, alloc_opts, num_opts; | |
ebac4655 | 828 | |
50d16976 JA |
829 | if (is_buf) |
830 | f = NULL; | |
831 | else { | |
832 | if (!strcmp(file, "-")) | |
833 | f = stdin; | |
834 | else | |
835 | f = fopen(file, "r"); | |
5a729cbe | 836 | |
50d16976 JA |
837 | if (!f) { |
838 | perror("fopen job file"); | |
839 | return 1; | |
840 | } | |
ebac4655 JA |
841 | } |
842 | ||
843 | string = malloc(4096); | |
7f7e6e59 JA |
844 | |
845 | /* | |
846 | * it's really 256 + small bit, 280 should suffice | |
847 | */ | |
848 | name = malloc(280); | |
849 | memset(name, 0, 280); | |
ebac4655 | 850 | |
3b8b7135 JA |
851 | alloc_opts = 8; |
852 | opts = malloc(sizeof(char *) * alloc_opts); | |
b7c6302d | 853 | num_opts = 0; |
3b8b7135 | 854 | |
0c7e37a0 | 855 | stonewall = stonewall_flag; |
7c124ac1 | 856 | do { |
ccf8f127 JA |
857 | /* |
858 | * if skip_fgets is set, we already have loaded a line we | |
859 | * haven't handled. | |
860 | */ | |
861 | if (!skip_fgets) { | |
50d16976 JA |
862 | if (is_buf) |
863 | p = strsep(&file, "\n"); | |
864 | else | |
865 | p = fgets(string, 4095, f); | |
ccf8f127 JA |
866 | if (!p) |
867 | break; | |
868 | } | |
cdc7f193 | 869 | |
ccf8f127 | 870 | skip_fgets = 0; |
cdc7f193 | 871 | strip_blank_front(&p); |
6c7c7da1 | 872 | strip_blank_end(p); |
cdc7f193 | 873 | |
ebac4655 JA |
874 | if (is_empty_or_comment(p)) |
875 | continue; | |
84dd1886 | 876 | if (sscanf(p, "[%255[^\n]]", name) != 1) { |
01f06b63 JA |
877 | if (inside_skip) |
878 | continue; | |
5ec10eaa JA |
879 | log_err("fio: option <%s> outside of [] job section\n", |
880 | p); | |
088b4207 | 881 | break; |
6c7c7da1 | 882 | } |
ebac4655 | 883 | |
7a4b80a1 JA |
884 | name[strlen(name) - 1] = '\0'; |
885 | ||
01f06b63 JA |
886 | if (skip_this_section(name)) { |
887 | inside_skip = 1; | |
888 | continue; | |
889 | } else | |
890 | inside_skip = 0; | |
891 | ||
ebac4655 JA |
892 | global = !strncmp(name, "global", 6); |
893 | ||
cca73aa7 | 894 | if (dump_cmdline) { |
097b2991 JA |
895 | if (first_sect) |
896 | log_info("fio "); | |
cca73aa7 JA |
897 | if (!global) |
898 | log_info("--name=%s ", name); | |
097b2991 | 899 | first_sect = 0; |
cca73aa7 JA |
900 | } |
901 | ||
ebac4655 | 902 | td = get_new_job(global, &def_thread); |
45410acb JA |
903 | if (!td) { |
904 | ret = 1; | |
905 | break; | |
906 | } | |
ebac4655 | 907 | |
972cfd25 JA |
908 | /* |
909 | * Seperate multiple job files by a stonewall | |
910 | */ | |
f9481919 | 911 | if (!global && stonewall) { |
2dc1bbeb | 912 | td->o.stonewall = stonewall; |
972cfd25 JA |
913 | stonewall = 0; |
914 | } | |
915 | ||
3b8b7135 JA |
916 | num_opts = 0; |
917 | memset(opts, 0, alloc_opts * sizeof(char *)); | |
918 | ||
50d16976 JA |
919 | while (1) { |
920 | if (is_buf) | |
921 | p = strsep(&file, "\n"); | |
922 | else | |
923 | p = fgets(string, 4096, f); | |
924 | if (!p) | |
925 | break; | |
926 | ||
ebac4655 JA |
927 | if (is_empty_or_comment(p)) |
928 | continue; | |
e1f36503 | 929 | |
b6754f9d | 930 | strip_blank_front(&p); |
7c124ac1 | 931 | |
ccf8f127 JA |
932 | /* |
933 | * new section, break out and make sure we don't | |
934 | * fgets() a new line at the top. | |
935 | */ | |
936 | if (p[0] == '[') { | |
937 | skip_fgets = 1; | |
7c124ac1 | 938 | break; |
ccf8f127 | 939 | } |
7c124ac1 | 940 | |
4ae3f763 | 941 | strip_blank_end(p); |
aea47d44 | 942 | |
3b8b7135 JA |
943 | if (num_opts == alloc_opts) { |
944 | alloc_opts <<= 1; | |
945 | opts = realloc(opts, | |
946 | alloc_opts * sizeof(char *)); | |
947 | } | |
948 | ||
949 | opts[num_opts] = strdup(p); | |
950 | num_opts++; | |
ebac4655 | 951 | } |
ebac4655 | 952 | |
3b8b7135 JA |
953 | ret = fio_options_parse(td, opts, num_opts); |
954 | if (!ret) { | |
955 | if (dump_cmdline) | |
956 | for (i = 0; i < num_opts; i++) | |
957 | log_info("--%s ", opts[i]); | |
958 | ||
45410acb | 959 | ret = add_job(td, name, 0); |
3b8b7135 | 960 | } else { |
b1508cf9 JA |
961 | log_err("fio: job %s dropped\n", name); |
962 | put_job(td); | |
45410acb | 963 | } |
3b8b7135 JA |
964 | |
965 | for (i = 0; i < num_opts; i++) | |
966 | free(opts[i]); | |
967 | num_opts = 0; | |
7c124ac1 | 968 | } while (!ret); |
ebac4655 | 969 | |
cca73aa7 JA |
970 | if (dump_cmdline) |
971 | log_info("\n"); | |
972 | ||
3b8b7135 JA |
973 | for (i = 0; i < num_opts; i++) |
974 | free(opts[i]); | |
975 | ||
ebac4655 JA |
976 | free(string); |
977 | free(name); | |
2577594d | 978 | free(opts); |
50d16976 | 979 | if (!is_buf && f != stdin) |
5a729cbe | 980 | fclose(f); |
45410acb | 981 | return ret; |
ebac4655 JA |
982 | } |
983 | ||
984 | static int fill_def_thread(void) | |
985 | { | |
986 | memset(&def_thread, 0, sizeof(def_thread)); | |
987 | ||
375b2695 | 988 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
989 | |
990 | /* | |
ee738499 | 991 | * fill default options |
ebac4655 | 992 | */ |
214e1eca | 993 | fio_fill_default_options(&def_thread); |
ebac4655 JA |
994 | return 0; |
995 | } | |
996 | ||
214e1eca JA |
997 | static void free_shm(void) |
998 | { | |
999 | struct shmid_ds sbuf; | |
1000 | ||
1001 | if (threads) { | |
5e1d306e JA |
1002 | void *tp = threads; |
1003 | ||
214e1eca | 1004 | threads = NULL; |
5e1d306e JA |
1005 | file_hash_exit(); |
1006 | fio_debug_jobp = NULL; | |
1007 | shmdt(tp); | |
214e1eca JA |
1008 | shmctl(shm_id, IPC_RMID, &sbuf); |
1009 | } | |
2e5cdb11 JA |
1010 | |
1011 | scleanup(); | |
214e1eca JA |
1012 | } |
1013 | ||
1014 | /* | |
1015 | * The thread area is shared between the main process and the job | |
1016 | * threads/processes. So setup a shared memory segment that will hold | |
380065aa JA |
1017 | * all the job info. We use the end of the region for keeping track of |
1018 | * open files across jobs, for file sharing. | |
214e1eca JA |
1019 | */ |
1020 | static int setup_thread_area(void) | |
1021 | { | |
380065aa JA |
1022 | void *hash; |
1023 | ||
c7d5c941 JA |
1024 | if (threads) |
1025 | return 0; | |
1026 | ||
214e1eca JA |
1027 | /* |
1028 | * 1024 is too much on some machines, scale max_jobs if | |
1029 | * we get a failure that looks like too large a shm segment | |
1030 | */ | |
1031 | do { | |
1032 | size_t size = max_jobs * sizeof(struct thread_data); | |
1033 | ||
380065aa | 1034 | size += file_hash_size; |
5e1d306e | 1035 | size += sizeof(unsigned int); |
380065aa | 1036 | |
214e1eca JA |
1037 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
1038 | if (shm_id != -1) | |
1039 | break; | |
1040 | if (errno != EINVAL) { | |
1041 | perror("shmget"); | |
1042 | break; | |
1043 | } | |
1044 | ||
1045 | max_jobs >>= 1; | |
1046 | } while (max_jobs); | |
1047 | ||
1048 | if (shm_id == -1) | |
1049 | return 1; | |
1050 | ||
1051 | threads = shmat(shm_id, NULL, 0); | |
1052 | if (threads == (void *) -1) { | |
1053 | perror("shmat"); | |
1054 | return 1; | |
1055 | } | |
1056 | ||
1f809d15 | 1057 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
380065aa | 1058 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); |
5e1d306e JA |
1059 | fio_debug_jobp = (void *) hash + file_hash_size; |
1060 | *fio_debug_jobp = -1; | |
380065aa | 1061 | file_hash_init(hash); |
214e1eca JA |
1062 | atexit(free_shm); |
1063 | return 0; | |
1064 | } | |
1065 | ||
45378b35 | 1066 | static void usage(const char *name) |
4785f995 | 1067 | { |
43617628 | 1068 | printf("%s\n", fio_version_string); |
45378b35 | 1069 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 1070 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
1071 | printf("\t--output\tWrite output to file\n"); |
1072 | printf("\t--timeout\tRuntime in seconds\n"); | |
1073 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1074 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1075 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1076 | printf("\t--version\tPrint version info and exit\n"); | |
f57a9c59 | 1077 | printf("\t--terse-version=x Terse version output format\n"); |
fd28ca49 | 1078 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
1079 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
1080 | " them\n"); | |
cca73aa7 | 1081 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
1082 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
1083 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
1084 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
1085 | " writes\n"); | |
01f06b63 | 1086 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
1087 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
1088 | " (def 1024)\n"); | |
a9523c6f | 1089 | printf("\t--warnings-fatal Fio parser warnings are fatal\n"); |
fca70358 | 1090 | printf("\t--max-jobs\tMaximum number of threads/processes to support\n"); |
132159a5 JA |
1091 | printf("\t--server\tStart a backend fio server\n"); |
1092 | printf("\t--client=hostname Talk to remove backend fio server at hostname\n"); | |
1093 | printf("\t--net-port=port\tUse specified port for client/server connection\n"); | |
aa58d252 JA |
1094 | printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); |
1095 | printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); | |
4785f995 JA |
1096 | } |
1097 | ||
79e48f72 | 1098 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 1099 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
1100 | { .name = "process", .shift = FD_PROCESS, }, |
1101 | { .name = "file", .shift = FD_FILE, }, | |
1102 | { .name = "io", .shift = FD_IO, }, | |
1103 | { .name = "mem", .shift = FD_MEM, }, | |
1104 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
1105 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 1106 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 1107 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 1108 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
5e1d306e | 1109 | { .name = "job", .shift = FD_JOB }, |
29adda3c | 1110 | { .name = "mutex", .shift = FD_MUTEX }, |
79d16311 | 1111 | { .name = "profile", .shift = FD_PROFILE }, |
c223da83 | 1112 | { .name = "time", .shift = FD_TIME }, |
eb7976ef | 1113 | { .name = "net", .shift = FD_NET }, |
02444ad1 | 1114 | { .name = NULL, }, |
ee56ad50 JA |
1115 | }; |
1116 | ||
c09823ab | 1117 | static int set_debug(const char *string) |
ee56ad50 JA |
1118 | { |
1119 | struct debug_level *dl; | |
1120 | char *p = (char *) string; | |
1121 | char *opt; | |
1122 | int i; | |
1123 | ||
1124 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
ee56ad50 JA |
1125 | log_info("fio: dumping debug options:"); |
1126 | for (i = 0; debug_levels[i].name; i++) { | |
1127 | dl = &debug_levels[i]; | |
1128 | log_info("%s,", dl->name); | |
1129 | } | |
bd6f78b2 | 1130 | log_info("all\n"); |
c09823ab | 1131 | return 1; |
ee56ad50 JA |
1132 | } |
1133 | ||
1134 | while ((opt = strsep(&p, ",")) != NULL) { | |
1135 | int found = 0; | |
1136 | ||
5e1d306e JA |
1137 | if (!strncmp(opt, "all", 3)) { |
1138 | log_info("fio: set all debug options\n"); | |
1139 | fio_debug = ~0UL; | |
1140 | continue; | |
1141 | } | |
1142 | ||
ee56ad50 JA |
1143 | for (i = 0; debug_levels[i].name; i++) { |
1144 | dl = &debug_levels[i]; | |
5e1d306e JA |
1145 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
1146 | if (!found) | |
1147 | continue; | |
1148 | ||
1149 | if (dl->shift == FD_JOB) { | |
1150 | opt = strchr(opt, ':'); | |
1151 | if (!opt) { | |
1152 | log_err("fio: missing job number\n"); | |
1153 | break; | |
1154 | } | |
1155 | opt++; | |
1156 | fio_debug_jobno = atoi(opt); | |
1157 | log_info("fio: set debug jobno %d\n", | |
1158 | fio_debug_jobno); | |
1159 | } else { | |
ee56ad50 | 1160 | log_info("fio: set debug option %s\n", opt); |
bd6f78b2 | 1161 | fio_debug |= (1UL << dl->shift); |
ee56ad50 | 1162 | } |
5e1d306e | 1163 | break; |
ee56ad50 JA |
1164 | } |
1165 | ||
1166 | if (!found) | |
1167 | log_err("fio: debug mask %s not found\n", opt); | |
1168 | } | |
c09823ab | 1169 | return 0; |
ee56ad50 | 1170 | } |
79e48f72 | 1171 | #else |
69b98d4c | 1172 | static int set_debug(const char *string) |
79e48f72 JA |
1173 | { |
1174 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 1175 | return 1; |
79e48f72 JA |
1176 | } |
1177 | #endif | |
9ac8a797 | 1178 | |
4c6107ff JA |
1179 | static void fio_options_fill_optstring(void) |
1180 | { | |
1181 | char *ostr = cmd_optstr; | |
1182 | int i, c; | |
1183 | ||
1184 | c = i = 0; | |
1185 | while (l_opts[i].name) { | |
1186 | ostr[c++] = l_opts[i].val; | |
1187 | if (l_opts[i].has_arg == required_argument) | |
1188 | ostr[c++] = ':'; | |
1189 | else if (l_opts[i].has_arg == optional_argument) { | |
1190 | ostr[c++] = ':'; | |
1191 | ostr[c++] = ':'; | |
1192 | } | |
1193 | i++; | |
1194 | } | |
1195 | ostr[c] = '\0'; | |
1196 | } | |
1197 | ||
972cfd25 | 1198 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1199 | { |
b4692828 | 1200 | struct thread_data *td = NULL; |
c09823ab | 1201 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
4c6107ff | 1202 | char *ostr = cmd_optstr; |
e46d8091 | 1203 | int daemonize_server = 0; |
ebac4655 | 1204 | |
4c6107ff | 1205 | while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { |
ebac4655 | 1206 | switch (c) { |
2b386d25 JA |
1207 | case 'a': |
1208 | smalloc_pool_size = atoi(optarg); | |
1209 | break; | |
b4692828 | 1210 | case 't': |
ab2cabdb | 1211 | def_thread.o.timeout = atoi(optarg); |
b4692828 JA |
1212 | break; |
1213 | case 'l': | |
1214 | write_lat_log = 1; | |
1215 | break; | |
3d73e5a9 | 1216 | case 'b': |
b4692828 JA |
1217 | write_bw_log = 1; |
1218 | break; | |
1219 | case 'o': | |
1220 | f_out = fopen(optarg, "w+"); | |
1221 | if (!f_out) { | |
1222 | perror("fopen output"); | |
1223 | exit(1); | |
1224 | } | |
1225 | f_err = f_out; | |
1226 | break; | |
1227 | case 'm': | |
1228 | terse_output = 1; | |
1229 | break; | |
1230 | case 'h': | |
45378b35 | 1231 | usage(argv[0]); |
b4692828 | 1232 | exit(0); |
fd28ca49 | 1233 | case 'c': |
214e1eca | 1234 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
1235 | case 's': |
1236 | dump_cmdline = 1; | |
1237 | break; | |
724e4435 JA |
1238 | case 'r': |
1239 | read_only = 1; | |
1240 | break; | |
b4692828 | 1241 | case 'v': |
ca740f4e | 1242 | log_info("%s\n", fio_version_string); |
b4692828 | 1243 | exit(0); |
f57a9c59 JA |
1244 | case 'V': |
1245 | terse_version = atoi(optarg); | |
1246 | if (terse_version != 2) { | |
1247 | log_err("fio: bad terse version format\n"); | |
1248 | exit_val = 1; | |
1249 | do_exit++; | |
1250 | } | |
1251 | break; | |
e592a06b AC |
1252 | case 'e': |
1253 | if (!strcmp("always", optarg)) | |
1254 | eta_print = FIO_ETA_ALWAYS; | |
1255 | else if (!strcmp("never", optarg)) | |
1256 | eta_print = FIO_ETA_NEVER; | |
1257 | break; | |
ee56ad50 | 1258 | case 'd': |
c09823ab JA |
1259 | if (set_debug(optarg)) |
1260 | do_exit++; | |
ee56ad50 | 1261 | break; |
ad0a2735 JA |
1262 | case 'x': { |
1263 | size_t new_size; | |
1264 | ||
01f06b63 | 1265 | if (!strcmp(optarg, "global")) { |
5ec10eaa JA |
1266 | log_err("fio: can't use global as only " |
1267 | "section\n"); | |
c09823ab JA |
1268 | do_exit++; |
1269 | exit_val = 1; | |
01f06b63 JA |
1270 | break; |
1271 | } | |
ad0a2735 JA |
1272 | new_size = (nr_job_sections + 1) * sizeof(char *); |
1273 | job_sections = realloc(job_sections, new_size); | |
1274 | job_sections[nr_job_sections] = strdup(optarg); | |
1275 | nr_job_sections++; | |
01f06b63 | 1276 | break; |
ad0a2735 | 1277 | } |
9ac8a797 | 1278 | case 'p': |
07b3232d | 1279 | exec_profile = strdup(optarg); |
9ac8a797 | 1280 | break; |
b4692828 | 1281 | case FIO_GETOPT_JOB: { |
5ec10eaa | 1282 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
1283 | char *val = optarg; |
1284 | ||
c7d5c941 JA |
1285 | if (setup_thread_area()) { |
1286 | do_exit++; | |
1287 | exit_val = 1; | |
1288 | break; | |
1289 | } | |
1290 | ||
c2b1e753 | 1291 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 1292 | ret = add_job(td, td->o.name ?: "fio", 0); |
66251554 | 1293 | if (ret) |
c2b1e753 | 1294 | return 0; |
c2b1e753 JA |
1295 | td = NULL; |
1296 | } | |
b4692828 | 1297 | if (!td) { |
01f06b63 | 1298 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
1299 | int global = 0; |
1300 | ||
01f06b63 | 1301 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 1302 | global = 1; |
c2b1e753 | 1303 | |
01f06b63 JA |
1304 | if (is_section && skip_this_section(val)) |
1305 | continue; | |
1306 | ||
c2b1e753 | 1307 | td = get_new_job(global, &def_thread); |
b4692828 JA |
1308 | if (!td) |
1309 | return 0; | |
1310 | } | |
38d0adb0 | 1311 | |
214e1eca | 1312 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
1313 | break; |
1314 | } | |
a9523c6f JA |
1315 | case 'w': |
1316 | warnings_fatal = 1; | |
1317 | break; | |
fca70358 JA |
1318 | case 'j': |
1319 | max_jobs = atoi(optarg); | |
1320 | if (!max_jobs || max_jobs > REAL_MAX_JOBS) { | |
1321 | log_err("fio: invalid max jobs: %d\n", max_jobs); | |
1322 | do_exit++; | |
1323 | exit_val = 1; | |
1324 | } | |
1325 | break; | |
50d16976 | 1326 | case 'S': |
a37f69b7 | 1327 | if (nr_clients) { |
132159a5 JA |
1328 | log_err("fio: can't be both client and server\n"); |
1329 | do_exit++; | |
1330 | exit_val = 1; | |
1331 | break; | |
1332 | } | |
50d16976 JA |
1333 | is_backend = 1; |
1334 | break; | |
e46d8091 JA |
1335 | case 'D': |
1336 | daemonize_server = 1; | |
1337 | break; | |
132159a5 JA |
1338 | case 'P': |
1339 | fio_net_port = atoi(optarg); | |
1340 | break; | |
1341 | case 'C': | |
1342 | if (is_backend) { | |
1343 | log_err("fio: can't be both client and server\n"); | |
1344 | do_exit++; | |
1345 | exit_val = 1; | |
1346 | break; | |
1347 | } | |
a37f69b7 | 1348 | fio_client_add(optarg); |
132159a5 | 1349 | break; |
b4692828 | 1350 | default: |
c09823ab JA |
1351 | do_exit++; |
1352 | exit_val = 1; | |
b4692828 | 1353 | break; |
ebac4655 | 1354 | } |
c7d5c941 JA |
1355 | if (do_exit) |
1356 | break; | |
ebac4655 | 1357 | } |
c9fad893 | 1358 | |
c09823ab JA |
1359 | if (do_exit) |
1360 | exit(exit_val); | |
536582bf | 1361 | |
a37f69b7 | 1362 | if (nr_clients && fio_clients_connect()) { |
132159a5 JA |
1363 | do_exit++; |
1364 | exit_val = 1; | |
1365 | return 1; | |
1366 | } | |
1367 | ||
50d16976 | 1368 | if (is_backend) |
e46d8091 | 1369 | return fio_start_server(daemonize_server); |
50d16976 | 1370 | |
b4692828 | 1371 | if (td) { |
7d6a8904 | 1372 | if (!ret) |
2dc1bbeb | 1373 | ret = add_job(td, td->o.name ?: "fio", 0); |
972cfd25 | 1374 | } |
774a6177 | 1375 | |
b4692828 JA |
1376 | while (optind < argc) { |
1377 | ini_idx++; | |
1378 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1379 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1380 | optind++; | |
eb8bbf48 | 1381 | } |
972cfd25 JA |
1382 | |
1383 | return ini_idx; | |
ebac4655 JA |
1384 | } |
1385 | ||
ebac4655 JA |
1386 | int parse_options(int argc, char *argv[]) |
1387 | { | |
972cfd25 JA |
1388 | int job_files, i; |
1389 | ||
b4692828 JA |
1390 | f_out = stdout; |
1391 | f_err = stderr; | |
1392 | ||
4c6107ff | 1393 | fio_options_fill_optstring(); |
5ec10eaa | 1394 | fio_options_dup_and_init(l_opts); |
b4692828 | 1395 | |
ebac4655 JA |
1396 | if (fill_def_thread()) |
1397 | return 1; | |
1398 | ||
972cfd25 | 1399 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1400 | |
c7d5c941 JA |
1401 | /* |
1402 | * Don't setup shared memory for the frontend | |
1403 | */ | |
1404 | if (!nr_clients && setup_thread_area()) | |
1405 | return 1; | |
1406 | ||
972cfd25 JA |
1407 | for (i = 0; i < job_files; i++) { |
1408 | if (fill_def_thread()) | |
1409 | return 1; | |
a37f69b7 JA |
1410 | if (nr_clients) { |
1411 | if (fio_clients_send_ini(ini_file[i])) | |
132159a5 | 1412 | return 1; |
337d75a8 JA |
1413 | free(ini_file[i]); |
1414 | } else if (!is_backend) { | |
132159a5 JA |
1415 | if (parse_jobs_ini(ini_file[i], 0, i)) |
1416 | return 1; | |
337d75a8 | 1417 | free(ini_file[i]); |
132159a5 | 1418 | } |
972cfd25 | 1419 | } |
ebac4655 | 1420 | |
88c6ed80 | 1421 | free(ini_file); |
d23bb327 | 1422 | options_mem_free(&def_thread); |
b4692828 JA |
1423 | |
1424 | if (!thread_number) { | |
cca73aa7 JA |
1425 | if (dump_cmdline) |
1426 | return 0; | |
07b3232d JA |
1427 | if (exec_profile) |
1428 | return 0; | |
a37f69b7 | 1429 | if (is_backend || nr_clients) |
5c341e9a | 1430 | return 0; |
cca73aa7 | 1431 | |
03e20d68 | 1432 | log_err("No jobs(s) defined\n\n"); |
45378b35 | 1433 | usage(argv[0]); |
b4692828 JA |
1434 | return 1; |
1435 | } | |
1436 | ||
be4ecfdf JA |
1437 | if (def_thread.o.gtod_offload) { |
1438 | fio_gtod_init(); | |
1439 | fio_gtod_offload = 1; | |
1440 | fio_gtod_cpu = def_thread.o.gtod_cpu; | |
1441 | } | |
1442 | ||
ca740f4e | 1443 | log_info("%s\n", fio_version_string); |
ebac4655 JA |
1444 | return 0; |
1445 | } |