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; |
ee738499 | 49 | |
214e1eca | 50 | int write_bw_log = 0; |
4241ea8f | 51 | int read_only = 0; |
214e1eca | 52 | |
5ec10eaa | 53 | static int write_lat_log; |
e1f36503 | 54 | |
214e1eca | 55 | static int prev_group_jobs; |
b4692828 | 56 | |
ee56ad50 | 57 | unsigned long fio_debug = 0; |
5e1d306e JA |
58 | unsigned int fio_debug_jobno = -1; |
59 | unsigned int *fio_debug_jobp = NULL; | |
ee56ad50 | 60 | |
4c6107ff JA |
61 | static char cmd_optstr[256]; |
62 | ||
b4692828 JA |
63 | /* |
64 | * Command line options. These will contain the above, plus a few | |
65 | * extra that only pertain to fio itself and not jobs. | |
66 | */ | |
5ec10eaa | 67 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 | 68 | { |
08d2a19c | 69 | .name = (char *) "output", |
b4692828 JA |
70 | .has_arg = required_argument, |
71 | .val = 'o', | |
72 | }, | |
73 | { | |
08d2a19c | 74 | .name = (char *) "timeout", |
b4692828 JA |
75 | .has_arg = required_argument, |
76 | .val = 't', | |
77 | }, | |
78 | { | |
08d2a19c | 79 | .name = (char *) "latency-log", |
b4692828 JA |
80 | .has_arg = required_argument, |
81 | .val = 'l', | |
82 | }, | |
83 | { | |
08d2a19c | 84 | .name = (char *) "bandwidth-log", |
b4692828 JA |
85 | .has_arg = required_argument, |
86 | .val = 'b', | |
87 | }, | |
88 | { | |
08d2a19c | 89 | .name = (char *) "minimal", |
b4692828 JA |
90 | .has_arg = optional_argument, |
91 | .val = 'm', | |
92 | }, | |
93 | { | |
08d2a19c | 94 | .name = (char *) "version", |
b4692828 JA |
95 | .has_arg = no_argument, |
96 | .val = 'v', | |
97 | }, | |
fd28ca49 | 98 | { |
08d2a19c | 99 | .name = (char *) "help", |
fd28ca49 JA |
100 | .has_arg = no_argument, |
101 | .val = 'h', | |
102 | }, | |
103 | { | |
08d2a19c | 104 | .name = (char *) "cmdhelp", |
320beefe | 105 | .has_arg = optional_argument, |
fd28ca49 JA |
106 | .val = 'c', |
107 | }, | |
cca73aa7 | 108 | { |
08d2a19c | 109 | .name = (char *) "showcmd", |
cca73aa7 | 110 | .has_arg = no_argument, |
724e4435 JA |
111 | .val = 's', |
112 | }, | |
113 | { | |
08d2a19c | 114 | .name = (char *) "readonly", |
724e4435 JA |
115 | .has_arg = no_argument, |
116 | .val = 'r', | |
cca73aa7 | 117 | }, |
e592a06b | 118 | { |
08d2a19c | 119 | .name = (char *) "eta", |
e592a06b AC |
120 | .has_arg = required_argument, |
121 | .val = 'e', | |
122 | }, | |
ee56ad50 | 123 | { |
08d2a19c | 124 | .name = (char *) "debug", |
ee56ad50 JA |
125 | .has_arg = required_argument, |
126 | .val = 'd', | |
127 | }, | |
01f06b63 | 128 | { |
08d2a19c | 129 | .name = (char *) "section", |
01f06b63 JA |
130 | .has_arg = required_argument, |
131 | .val = 'x', | |
132 | }, | |
2b386d25 | 133 | { |
08d2a19c | 134 | .name = (char *) "alloc-size", |
2b386d25 JA |
135 | .has_arg = required_argument, |
136 | .val = 'a', | |
137 | }, | |
9ac8a797 | 138 | { |
08d2a19c | 139 | .name = (char *) "profile", |
9ac8a797 JA |
140 | .has_arg = required_argument, |
141 | .val = 'p', | |
142 | }, | |
a9523c6f | 143 | { |
08d2a19c | 144 | .name = (char *) "warnings-fatal", |
a9523c6f JA |
145 | .has_arg = no_argument, |
146 | .val = 'w', | |
147 | }, | |
fca70358 JA |
148 | { |
149 | .name = (char *) "max-jobs", | |
150 | .has_arg = required_argument, | |
151 | .val = 'j', | |
152 | }, | |
f57a9c59 JA |
153 | { |
154 | .name = (char *) "terse-version", | |
155 | .has_arg = required_argument, | |
156 | .val = 'V', | |
157 | }, | |
50d16976 JA |
158 | { |
159 | .name = (char *) "server", | |
160 | .has_arg = no_argument, | |
161 | .val = 'S', | |
162 | }, | |
b4692828 JA |
163 | { |
164 | .name = NULL, | |
165 | }, | |
166 | }; | |
167 | ||
9728ce37 JB |
168 | FILE *get_f_out() |
169 | { | |
170 | return f_out; | |
171 | } | |
172 | ||
173 | FILE *get_f_err() | |
174 | { | |
175 | return f_err; | |
176 | } | |
177 | ||
906c8d75 JA |
178 | /* |
179 | * Return a free job structure. | |
180 | */ | |
ebac4655 JA |
181 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
182 | { | |
183 | struct thread_data *td; | |
184 | ||
185 | if (global) | |
186 | return &def_thread; | |
e61f1ec8 BC |
187 | if (thread_number >= max_jobs) { |
188 | log_err("error: maximum number of jobs (%d) reached.\n", | |
189 | max_jobs); | |
ebac4655 | 190 | return NULL; |
e61f1ec8 | 191 | } |
ebac4655 JA |
192 | |
193 | td = &threads[thread_number++]; | |
ddaeaa5a | 194 | *td = *parent; |
ebac4655 | 195 | |
e0b0d892 JA |
196 | td->o.uid = td->o.gid = -1U; |
197 | ||
cade3ef4 | 198 | dup_files(td, parent); |
d23bb327 | 199 | options_mem_dupe(td); |
cade3ef4 | 200 | |
15dc1934 JA |
201 | profile_add_hooks(td); |
202 | ||
ebac4655 | 203 | td->thread_number = thread_number; |
ebac4655 JA |
204 | return td; |
205 | } | |
206 | ||
207 | static void put_job(struct thread_data *td) | |
208 | { | |
549577a7 JA |
209 | if (td == &def_thread) |
210 | return; | |
84dd1886 | 211 | |
58c55ba0 | 212 | profile_td_exit(td); |
549577a7 | 213 | |
16edf25d | 214 | if (td->error) |
6d86144d | 215 | log_info("fio: %s\n", td->verror); |
16edf25d | 216 | |
ebac4655 JA |
217 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
218 | thread_number--; | |
219 | } | |
220 | ||
581e7141 | 221 | static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
127f6865 | 222 | { |
581e7141 | 223 | unsigned int bs = td->o.min_bs[ddir]; |
ba3e4e0c | 224 | unsigned long long bytes_per_sec; |
127f6865 | 225 | |
ff58fced JA |
226 | assert(ddir_rw(ddir)); |
227 | ||
ba3e4e0c RR |
228 | if (td->o.rate[ddir]) |
229 | bytes_per_sec = td->o.rate[ddir]; | |
230 | else | |
231 | bytes_per_sec = td->o.rate_iops[ddir] * bs; | |
127f6865 | 232 | |
ba3e4e0c | 233 | if (!bytes_per_sec) { |
127f6865 JA |
234 | log_err("rate lower than supported\n"); |
235 | return -1; | |
236 | } | |
237 | ||
ba3e4e0c | 238 | td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec; |
581e7141 | 239 | td->rate_pending_usleep[ddir] = 0; |
127f6865 JA |
240 | return 0; |
241 | } | |
242 | ||
581e7141 JA |
243 | static int setup_rate(struct thread_data *td) |
244 | { | |
245 | int ret = 0; | |
246 | ||
247 | if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) | |
248 | ret = __setup_rate(td, DDIR_READ); | |
249 | if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) | |
250 | ret |= __setup_rate(td, DDIR_WRITE); | |
251 | ||
252 | return ret; | |
253 | } | |
254 | ||
8347239a JA |
255 | static int fixed_block_size(struct thread_options *o) |
256 | { | |
257 | return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && | |
258 | o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && | |
259 | o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; | |
260 | } | |
261 | ||
dad915e3 JA |
262 | /* |
263 | * Lazy way of fixing up options that depend on each other. We could also | |
264 | * define option callback handlers, but this is easier. | |
265 | */ | |
4e991c23 | 266 | static int fixup_options(struct thread_data *td) |
e1f36503 | 267 | { |
2dc1bbeb | 268 | struct thread_options *o = &td->o; |
ff217451 | 269 | int ret = 0; |
dad915e3 | 270 | |
f356d01d | 271 | #ifndef FIO_HAVE_PSHARED_MUTEX |
9bbf57cc | 272 | if (!o->use_thread) { |
f356d01d JA |
273 | log_info("fio: this platform does not support process shared" |
274 | " mutexes, forcing use of threads. Use the 'thread'" | |
275 | " option to get rid of this warning.\n"); | |
9bbf57cc | 276 | o->use_thread = 1; |
a9523c6f | 277 | ret = warnings_fatal; |
f356d01d JA |
278 | } |
279 | #endif | |
280 | ||
2dc1bbeb | 281 | if (o->write_iolog_file && o->read_iolog_file) { |
076efc7c | 282 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
283 | free(o->write_iolog_file); |
284 | o->write_iolog_file = NULL; | |
a9523c6f | 285 | ret = warnings_fatal; |
076efc7c | 286 | } |
16b462ae | 287 | |
16b462ae JA |
288 | /* |
289 | * only really works for sequential io for now, and with 1 file | |
290 | */ | |
2dc1bbeb JA |
291 | if (o->zone_size && td_random(td) && o->open_files == 1) |
292 | o->zone_size = 0; | |
16b462ae JA |
293 | |
294 | /* | |
295 | * Reads can do overwrites, we always need to pre-create the file | |
296 | */ | |
297 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 298 | o->overwrite = 1; |
16b462ae | 299 | |
2dc1bbeb | 300 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 301 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
302 | if (!o->max_bs[DDIR_READ]) |
303 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
304 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 305 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
306 | if (!o->max_bs[DDIR_WRITE]) |
307 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 308 | |
2dc1bbeb | 309 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 310 | |
2b7a01d0 JA |
311 | /* |
312 | * For random IO, allow blockalign offset other than min_bs. | |
313 | */ | |
314 | if (!o->ba[DDIR_READ] || !td_random(td)) | |
315 | o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; | |
316 | if (!o->ba[DDIR_WRITE] || !td_random(td)) | |
317 | o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; | |
318 | ||
319 | if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || | |
320 | o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && | |
9bbf57cc | 321 | !o->norandommap) { |
2b7a01d0 | 322 | log_err("fio: Any use of blockalign= turns off randommap\n"); |
9bbf57cc | 323 | o->norandommap = 1; |
a9523c6f | 324 | ret = warnings_fatal; |
2b7a01d0 JA |
325 | } |
326 | ||
2dc1bbeb JA |
327 | if (!o->file_size_high) |
328 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 329 | |
8347239a JA |
330 | if (o->norandommap && o->verify != VERIFY_NONE |
331 | && !fixed_block_size(o)) { | |
332 | log_err("fio: norandommap given for variable block sizes, " | |
333 | "verify disabled\n"); | |
2dc1bbeb | 334 | o->verify = VERIFY_NONE; |
a9523c6f | 335 | ret = warnings_fatal; |
bb8895e0 | 336 | } |
2dc1bbeb | 337 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 338 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 339 | |
48097d5c JA |
340 | /* |
341 | * thinktime_spin must be less than thinktime | |
342 | */ | |
2dc1bbeb JA |
343 | if (o->thinktime_spin > o->thinktime) |
344 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
345 | |
346 | /* | |
347 | * The low water mark cannot be bigger than the iodepth | |
348 | */ | |
2dc1bbeb | 349 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
350 | /* |
351 | * syslet work around - if the workload is sequential, | |
352 | * we want to let the queue drain all the way down to | |
353 | * avoid seeking between async threads | |
354 | */ | |
355 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 356 | o->iodepth_low = 1; |
9467b77c | 357 | else |
2dc1bbeb | 358 | o->iodepth_low = o->iodepth; |
9467b77c | 359 | } |
cb5ab512 JA |
360 | |
361 | /* | |
362 | * If batch number isn't set, default to the same as iodepth | |
363 | */ | |
2dc1bbeb JA |
364 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
365 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 366 | |
2dc1bbeb JA |
367 | if (o->nr_files > td->files_index) |
368 | o->nr_files = td->files_index; | |
9f9214f2 | 369 | |
2dc1bbeb JA |
370 | if (o->open_files > o->nr_files || !o->open_files) |
371 | o->open_files = o->nr_files; | |
4e991c23 | 372 | |
581e7141 JA |
373 | if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| |
374 | ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + | |
375 | o->rate_iops_min[1]))) { | |
4e991c23 | 376 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
a9523c6f | 377 | ret = 1; |
4e991c23 | 378 | } |
581e7141 JA |
379 | if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || |
380 | (o->rate_iops[0] < o->rate_iops_min[0]) || | |
381 | (o->rate_iops[1] < o->rate_iops_min[1])) { | |
4e991c23 | 382 | log_err("fio: minimum rate exceeds rate\n"); |
a9523c6f | 383 | ret = 1; |
4e991c23 JA |
384 | } |
385 | ||
cf4464ca JA |
386 | if (!o->timeout && o->time_based) { |
387 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
388 | o->time_based = 0; | |
a9523c6f | 389 | ret = warnings_fatal; |
cf4464ca JA |
390 | } |
391 | ||
aa31f1f1 | 392 | if (o->fill_device && !o->size) |
5921e80c | 393 | o->size = -1ULL; |
5ec10eaa | 394 | |
9bbf57cc | 395 | if (o->verify != VERIFY_NONE) { |
996936f9 | 396 | if (td_write(td) && o->do_verify && o->numjobs > 1) { |
a9523c6f JA |
397 | log_info("Multiple writers may overwrite blocks that " |
398 | "belong to other jobs. This can cause " | |
399 | "verification failures.\n"); | |
400 | ret = warnings_fatal; | |
401 | } | |
402 | ||
9bbf57cc | 403 | o->refill_buffers = 1; |
2f1b8e8b JA |
404 | if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
405 | !o->verify_interval) | |
406 | o->verify_interval = o->min_bs[DDIR_WRITE]; | |
d990588e | 407 | } |
41ccd845 | 408 | |
9bbf57cc JA |
409 | if (o->pre_read) { |
410 | o->invalidate_cache = 0; | |
a9523c6f | 411 | if (td->io_ops->flags & FIO_PIPEIO) { |
9c0d2241 JA |
412 | log_info("fio: cannot pre-read files with an IO engine" |
413 | " that isn't seekable. Pre-read disabled.\n"); | |
a9523c6f JA |
414 | ret = warnings_fatal; |
415 | } | |
9c0d2241 | 416 | } |
34f1c044 | 417 | |
e72fa4d4 | 418 | #ifndef FIO_HAVE_FDATASYNC |
9bbf57cc | 419 | if (o->fdatasync_blocks) { |
e72fa4d4 JA |
420 | log_info("fio: this platform does not support fdatasync()" |
421 | " falling back to using fsync(). Use the 'fsync'" | |
422 | " option instead of 'fdatasync' to get rid of" | |
423 | " this warning\n"); | |
9bbf57cc JA |
424 | o->fsync_blocks = o->fdatasync_blocks; |
425 | o->fdatasync_blocks = 0; | |
a9523c6f | 426 | ret = warnings_fatal; |
e72fa4d4 JA |
427 | } |
428 | #endif | |
429 | ||
a9523c6f | 430 | return ret; |
e1f36503 JA |
431 | } |
432 | ||
f8977ee6 JA |
433 | /* |
434 | * This function leaks the buffer | |
435 | */ | |
436 | static char *to_kmg(unsigned int val) | |
437 | { | |
438 | char *buf = malloc(32); | |
f3502ba2 | 439 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
440 | char *p = post; |
441 | ||
245142ff | 442 | do { |
f8977ee6 JA |
443 | if (val & 1023) |
444 | break; | |
445 | ||
446 | val >>= 10; | |
447 | p++; | |
245142ff | 448 | } while (*p); |
f8977ee6 JA |
449 | |
450 | snprintf(buf, 31, "%u%c", val, *p); | |
451 | return buf; | |
452 | } | |
453 | ||
09629a90 JA |
454 | /* External engines are specified by "external:name.o") */ |
455 | static const char *get_engine_name(const char *str) | |
456 | { | |
457 | char *p = strstr(str, ":"); | |
458 | ||
459 | if (!p) | |
460 | return str; | |
461 | ||
462 | p++; | |
463 | strip_blank_front(&p); | |
464 | strip_blank_end(p); | |
465 | return p; | |
466 | } | |
467 | ||
e132cbae JA |
468 | static int exists_and_not_file(const char *filename) |
469 | { | |
470 | struct stat sb; | |
471 | ||
472 | if (lstat(filename, &sb) == -1) | |
473 | return 0; | |
474 | ||
ecc314ba BC |
475 | /* \\.\ is the device namespace in Windows, where every file |
476 | * is a device node */ | |
477 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
e132cbae JA |
478 | return 0; |
479 | ||
480 | return 1; | |
481 | } | |
482 | ||
4c07ad86 | 483 | static void td_fill_rand_seeds_os(struct thread_data *td) |
5bfc35d7 JA |
484 | { |
485 | os_random_seed(td->rand_seeds[0], &td->bsrange_state); | |
486 | os_random_seed(td->rand_seeds[1], &td->verify_state); | |
487 | os_random_seed(td->rand_seeds[2], &td->rwmix_state); | |
488 | ||
489 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
490 | os_random_seed(td->rand_seeds[3], &td->next_file_state); | |
491 | ||
492 | os_random_seed(td->rand_seeds[5], &td->file_size_state); | |
0d29de83 | 493 | os_random_seed(td->rand_seeds[6], &td->trim_state); |
5bfc35d7 JA |
494 | |
495 | if (!td_random(td)) | |
496 | return; | |
497 | ||
498 | if (td->o.rand_repeatable) | |
499 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
500 | ||
501 | os_random_seed(td->rand_seeds[4], &td->random_state); | |
4c07ad86 JA |
502 | } |
503 | ||
504 | static void td_fill_rand_seeds_internal(struct thread_data *td) | |
505 | { | |
506 | init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); | |
507 | init_rand_seed(&td->__verify_state, td->rand_seeds[1]); | |
508 | init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); | |
509 | ||
510 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
511 | init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); | |
512 | ||
513 | init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); | |
514 | init_rand_seed(&td->__trim_state, td->rand_seeds[6]); | |
515 | ||
516 | if (!td_random(td)) | |
517 | return; | |
518 | ||
519 | if (td->o.rand_repeatable) | |
520 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
521 | ||
2615cc4b | 522 | init_rand_seed(&td->__random_state, td->rand_seeds[4]); |
5bfc35d7 JA |
523 | } |
524 | ||
4c07ad86 JA |
525 | void td_fill_rand_seeds(struct thread_data *td) |
526 | { | |
527 | if (td->o.use_os_rand) | |
528 | td_fill_rand_seeds_os(td); | |
529 | else | |
530 | td_fill_rand_seeds_internal(td); | |
3545a109 JA |
531 | |
532 | init_rand_seed(&td->buf_state, td->rand_seeds[7]); | |
4c07ad86 JA |
533 | } |
534 | ||
9c60ce64 JA |
535 | /* |
536 | * Initialize the various random states we need (random io, block size ranges, | |
537 | * read/write mix, etc). | |
538 | */ | |
539 | static int init_random_state(struct thread_data *td) | |
540 | { | |
68727076 | 541 | int fd; |
9c60ce64 JA |
542 | |
543 | fd = open("/dev/urandom", O_RDONLY); | |
544 | if (fd == -1) { | |
545 | td_verror(td, errno, "open"); | |
546 | return 1; | |
547 | } | |
548 | ||
5bfc35d7 JA |
549 | if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) < |
550 | (int) sizeof(td->rand_seeds)) { | |
9c60ce64 JA |
551 | td_verror(td, EIO, "read"); |
552 | close(fd); | |
553 | return 1; | |
554 | } | |
555 | ||
556 | close(fd); | |
5bfc35d7 | 557 | td_fill_rand_seeds(td); |
9c60ce64 JA |
558 | return 0; |
559 | } | |
560 | ||
906c8d75 JA |
561 | /* |
562 | * Adds a job to the list of things todo. Sanitizes the various options | |
563 | * to make sure we don't have conflicts, and initializes various | |
564 | * members of td. | |
565 | */ | |
75154845 | 566 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 567 | { |
413dd459 JA |
568 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
569 | "randread", "randwrite", "randrw" }; | |
af52b345 | 570 | unsigned int i; |
09629a90 | 571 | const char *engine; |
af52b345 | 572 | char fname[PATH_MAX]; |
e132cbae | 573 | int numjobs, file_alloced; |
ebac4655 | 574 | |
ebac4655 JA |
575 | /* |
576 | * the def_thread is just for options, it's not a real job | |
577 | */ | |
578 | if (td == &def_thread) | |
579 | return 0; | |
580 | ||
cca73aa7 JA |
581 | /* |
582 | * if we are just dumping the output command line, don't add the job | |
583 | */ | |
584 | if (dump_cmdline) { | |
585 | put_job(td); | |
586 | return 0; | |
587 | } | |
588 | ||
58c55ba0 | 589 | if (profile_td_init(td)) |
66251554 | 590 | goto err; |
58c55ba0 | 591 | |
2dc1bbeb | 592 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
593 | td->io_ops = load_ioengine(td, engine); |
594 | if (!td->io_ops) { | |
595 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 596 | goto err; |
09629a90 | 597 | } |
df64119d | 598 | |
2dc1bbeb | 599 | if (td->o.use_thread) |
9cedf167 JA |
600 | nr_thread++; |
601 | else | |
602 | nr_process++; | |
603 | ||
2dc1bbeb | 604 | if (td->o.odirect) |
690adba3 JA |
605 | td->io_ops->flags |= FIO_RAWIO; |
606 | ||
e132cbae | 607 | file_alloced = 0; |
691c8fb0 | 608 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 609 | file_alloced = 1; |
80be24f4 | 610 | |
2dc1bbeb | 611 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 612 | add_file(td, jobname); |
7b05a215 | 613 | else { |
2dc1bbeb | 614 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
615 | sprintf(fname, "%s.%d.%d", jobname, |
616 | td->thread_number, i); | |
7b05a215 JA |
617 | add_file(td, fname); |
618 | } | |
af52b345 | 619 | } |
0af7b542 | 620 | } |
ebac4655 | 621 | |
4e991c23 JA |
622 | if (fixup_options(td)) |
623 | goto err; | |
e0a22335 | 624 | |
07eb79df JA |
625 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
626 | struct fio_file *f; | |
627 | ||
628 | for_each_file(td, f, i) | |
629 | f->real_file_size = -1ULL; | |
630 | } | |
631 | ||
cdd18ad8 | 632 | td->mutex = fio_mutex_init(0); |
ebac4655 | 633 | |
83349190 YH |
634 | td->ts.clat_percentiles = td->o.clat_percentiles; |
635 | if (td->o.overwrite_plist) | |
636 | td->ts.percentile_list = td->o.percentile_list; | |
637 | else | |
638 | td->ts.percentile_list = NULL; | |
639 | ||
756867bd JA |
640 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
641 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
02af0988 | 642 | td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX; |
756867bd | 643 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; |
cdd5411e | 644 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
ebac4655 | 645 | |
755c3189 | 646 | if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { |
3c5df6fa | 647 | prev_group_jobs = 0; |
ebac4655 | 648 | groupid++; |
3c5df6fa | 649 | } |
ebac4655 JA |
650 | |
651 | td->groupid = groupid; | |
3c5df6fa | 652 | prev_group_jobs++; |
ebac4655 | 653 | |
9c60ce64 JA |
654 | if (init_random_state(td)) |
655 | goto err; | |
656 | ||
ebac4655 JA |
657 | if (setup_rate(td)) |
658 | goto err; | |
659 | ||
2dc1bbeb | 660 | if (td->o.write_lat_log) { |
02af0988 | 661 | setup_log(&td->ts.lat_log); |
756867bd JA |
662 | setup_log(&td->ts.slat_log); |
663 | setup_log(&td->ts.clat_log); | |
ebac4655 | 664 | } |
2dc1bbeb | 665 | if (td->o.write_bw_log) |
756867bd | 666 | setup_log(&td->ts.bw_log); |
ebac4655 | 667 | |
2dc1bbeb JA |
668 | if (!td->o.name) |
669 | td->o.name = strdup(jobname); | |
01452055 | 670 | |
c6ae0a5b | 671 | if (!terse_output) { |
b990b5c0 | 672 | if (!job_add_num) { |
5ec10eaa JA |
673 | if (!strcmp(td->io_ops->name, "cpuio")) { |
674 | log_info("%s: ioengine=cpu, cpuload=%u," | |
675 | " cpucycle=%u\n", td->o.name, | |
676 | td->o.cpuload, | |
677 | td->o.cpucycle); | |
678 | } else { | |
f8977ee6 JA |
679 | char *c1, *c2, *c3, *c4; |
680 | ||
2dc1bbeb JA |
681 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
682 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
683 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
684 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 685 | |
5ec10eaa JA |
686 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
687 | " ioengine=%s, iodepth=%u\n", | |
688 | td->o.name, td->groupid, | |
689 | ddir_str[td->o.td_ddir], | |
690 | c1, c2, c3, c4, | |
691 | td->io_ops->name, | |
692 | td->o.iodepth); | |
f8977ee6 JA |
693 | |
694 | free(c1); | |
695 | free(c2); | |
696 | free(c3); | |
697 | free(c4); | |
698 | } | |
b990b5c0 | 699 | } else if (job_add_num == 1) |
6d86144d | 700 | log_info("...\n"); |
c6ae0a5b | 701 | } |
ebac4655 JA |
702 | |
703 | /* | |
704 | * recurse add identical jobs, clear numjobs and stonewall options | |
705 | * as they don't apply to sub-jobs | |
706 | */ | |
2dc1bbeb | 707 | numjobs = td->o.numjobs; |
ebac4655 JA |
708 | while (--numjobs) { |
709 | struct thread_data *td_new = get_new_job(0, td); | |
710 | ||
711 | if (!td_new) | |
712 | goto err; | |
713 | ||
2dc1bbeb JA |
714 | td_new->o.numjobs = 1; |
715 | td_new->o.stonewall = 0; | |
92c1d41f | 716 | td_new->o.new_group = 0; |
e132cbae JA |
717 | |
718 | if (file_alloced) { | |
2dc1bbeb | 719 | td_new->o.filename = NULL; |
e132cbae | 720 | td_new->files_index = 0; |
4e6ea2f1 | 721 | td_new->files_size = 0; |
e132cbae JA |
722 | td_new->files = NULL; |
723 | } | |
724 | ||
75154845 | 725 | job_add_num = numjobs - 1; |
ebac4655 | 726 | |
75154845 | 727 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
728 | goto err; |
729 | } | |
3c5df6fa | 730 | |
ebac4655 JA |
731 | return 0; |
732 | err: | |
733 | put_job(td); | |
734 | return -1; | |
735 | } | |
736 | ||
79d16311 JA |
737 | /* |
738 | * Parse as if 'o' was a command line | |
739 | */ | |
740 | void add_job_opts(const char **o) | |
741 | { | |
742 | struct thread_data *td, *td_parent; | |
743 | int i, in_global = 1; | |
744 | char jobname[32]; | |
745 | ||
746 | i = 0; | |
747 | td_parent = td = NULL; | |
748 | while (o[i]) { | |
749 | if (!strncmp(o[i], "name", 4)) { | |
750 | in_global = 0; | |
751 | if (td) | |
752 | add_job(td, jobname, 0); | |
753 | td = NULL; | |
754 | sprintf(jobname, "%s", o[i] + 5); | |
755 | } | |
756 | if (in_global && !td_parent) | |
757 | td_parent = get_new_job(1, &def_thread); | |
758 | else if (!in_global && !td) { | |
759 | if (!td_parent) | |
760 | td_parent = &def_thread; | |
761 | td = get_new_job(0, td_parent); | |
762 | } | |
763 | if (in_global) | |
764 | fio_options_parse(td_parent, (char **) &o[i], 1); | |
765 | else | |
766 | fio_options_parse(td, (char **) &o[i], 1); | |
767 | i++; | |
768 | } | |
769 | ||
770 | if (td) | |
771 | add_job(td, jobname, 0); | |
772 | } | |
773 | ||
01f06b63 JA |
774 | static int skip_this_section(const char *name) |
775 | { | |
ad0a2735 JA |
776 | int i; |
777 | ||
778 | if (!nr_job_sections) | |
01f06b63 JA |
779 | return 0; |
780 | if (!strncmp(name, "global", 6)) | |
781 | return 0; | |
782 | ||
ad0a2735 JA |
783 | for (i = 0; i < nr_job_sections; i++) |
784 | if (!strcmp(job_sections[i], name)) | |
785 | return 0; | |
786 | ||
787 | return 1; | |
01f06b63 JA |
788 | } |
789 | ||
ebac4655 JA |
790 | static int is_empty_or_comment(char *line) |
791 | { | |
792 | unsigned int i; | |
793 | ||
794 | for (i = 0; i < strlen(line); i++) { | |
795 | if (line[i] == ';') | |
796 | return 1; | |
5cc2da30 IM |
797 | if (line[i] == '#') |
798 | return 1; | |
76cd9378 | 799 | if (!isspace((int) line[i]) && !iscntrl((int) line[i])) |
ebac4655 JA |
800 | return 0; |
801 | } | |
802 | ||
803 | return 1; | |
804 | } | |
805 | ||
07261983 JA |
806 | /* |
807 | * This is our [ini] type file parser. | |
808 | */ | |
50d16976 | 809 | int parse_jobs_ini(char *file, int is_buf, int stonewall_flag) |
ebac4655 | 810 | { |
e1f36503 | 811 | unsigned int global; |
ebac4655 | 812 | struct thread_data *td; |
fee3bb48 | 813 | char *string, *name; |
ebac4655 JA |
814 | FILE *f; |
815 | char *p; | |
0c7e37a0 | 816 | int ret = 0, stonewall; |
097b2991 | 817 | int first_sect = 1; |
ccf8f127 | 818 | int skip_fgets = 0; |
01f06b63 | 819 | int inside_skip = 0; |
3b8b7135 JA |
820 | char **opts; |
821 | int i, alloc_opts, num_opts; | |
ebac4655 | 822 | |
50d16976 JA |
823 | if (is_buf) |
824 | f = NULL; | |
825 | else { | |
826 | if (!strcmp(file, "-")) | |
827 | f = stdin; | |
828 | else | |
829 | f = fopen(file, "r"); | |
5a729cbe | 830 | |
50d16976 JA |
831 | if (!f) { |
832 | perror("fopen job file"); | |
833 | return 1; | |
834 | } | |
ebac4655 JA |
835 | } |
836 | ||
837 | string = malloc(4096); | |
7f7e6e59 JA |
838 | |
839 | /* | |
840 | * it's really 256 + small bit, 280 should suffice | |
841 | */ | |
842 | name = malloc(280); | |
843 | memset(name, 0, 280); | |
ebac4655 | 844 | |
3b8b7135 JA |
845 | alloc_opts = 8; |
846 | opts = malloc(sizeof(char *) * alloc_opts); | |
b7c6302d | 847 | num_opts = 0; |
3b8b7135 | 848 | |
0c7e37a0 | 849 | stonewall = stonewall_flag; |
7c124ac1 | 850 | do { |
ccf8f127 JA |
851 | /* |
852 | * if skip_fgets is set, we already have loaded a line we | |
853 | * haven't handled. | |
854 | */ | |
855 | if (!skip_fgets) { | |
50d16976 JA |
856 | if (is_buf) |
857 | p = strsep(&file, "\n"); | |
858 | else | |
859 | p = fgets(string, 4095, f); | |
ccf8f127 JA |
860 | if (!p) |
861 | break; | |
862 | } | |
cdc7f193 | 863 | |
ccf8f127 | 864 | skip_fgets = 0; |
cdc7f193 | 865 | strip_blank_front(&p); |
6c7c7da1 | 866 | strip_blank_end(p); |
cdc7f193 | 867 | |
ebac4655 JA |
868 | if (is_empty_or_comment(p)) |
869 | continue; | |
84dd1886 | 870 | if (sscanf(p, "[%255[^\n]]", name) != 1) { |
01f06b63 JA |
871 | if (inside_skip) |
872 | continue; | |
5ec10eaa JA |
873 | log_err("fio: option <%s> outside of [] job section\n", |
874 | p); | |
088b4207 | 875 | break; |
6c7c7da1 | 876 | } |
ebac4655 | 877 | |
7a4b80a1 JA |
878 | name[strlen(name) - 1] = '\0'; |
879 | ||
01f06b63 JA |
880 | if (skip_this_section(name)) { |
881 | inside_skip = 1; | |
882 | continue; | |
883 | } else | |
884 | inside_skip = 0; | |
885 | ||
ebac4655 JA |
886 | global = !strncmp(name, "global", 6); |
887 | ||
cca73aa7 | 888 | if (dump_cmdline) { |
097b2991 JA |
889 | if (first_sect) |
890 | log_info("fio "); | |
cca73aa7 JA |
891 | if (!global) |
892 | log_info("--name=%s ", name); | |
097b2991 | 893 | first_sect = 0; |
cca73aa7 JA |
894 | } |
895 | ||
ebac4655 | 896 | td = get_new_job(global, &def_thread); |
45410acb JA |
897 | if (!td) { |
898 | ret = 1; | |
899 | break; | |
900 | } | |
ebac4655 | 901 | |
972cfd25 JA |
902 | /* |
903 | * Seperate multiple job files by a stonewall | |
904 | */ | |
f9481919 | 905 | if (!global && stonewall) { |
2dc1bbeb | 906 | td->o.stonewall = stonewall; |
972cfd25 JA |
907 | stonewall = 0; |
908 | } | |
909 | ||
3b8b7135 JA |
910 | num_opts = 0; |
911 | memset(opts, 0, alloc_opts * sizeof(char *)); | |
912 | ||
50d16976 JA |
913 | while (1) { |
914 | if (is_buf) | |
915 | p = strsep(&file, "\n"); | |
916 | else | |
917 | p = fgets(string, 4096, f); | |
918 | if (!p) | |
919 | break; | |
920 | ||
ebac4655 JA |
921 | if (is_empty_or_comment(p)) |
922 | continue; | |
e1f36503 | 923 | |
b6754f9d | 924 | strip_blank_front(&p); |
7c124ac1 | 925 | |
ccf8f127 JA |
926 | /* |
927 | * new section, break out and make sure we don't | |
928 | * fgets() a new line at the top. | |
929 | */ | |
930 | if (p[0] == '[') { | |
931 | skip_fgets = 1; | |
7c124ac1 | 932 | break; |
ccf8f127 | 933 | } |
7c124ac1 | 934 | |
4ae3f763 | 935 | strip_blank_end(p); |
aea47d44 | 936 | |
3b8b7135 JA |
937 | if (num_opts == alloc_opts) { |
938 | alloc_opts <<= 1; | |
939 | opts = realloc(opts, | |
940 | alloc_opts * sizeof(char *)); | |
941 | } | |
942 | ||
943 | opts[num_opts] = strdup(p); | |
944 | num_opts++; | |
ebac4655 | 945 | } |
ebac4655 | 946 | |
3b8b7135 JA |
947 | ret = fio_options_parse(td, opts, num_opts); |
948 | if (!ret) { | |
949 | if (dump_cmdline) | |
950 | for (i = 0; i < num_opts; i++) | |
951 | log_info("--%s ", opts[i]); | |
952 | ||
45410acb | 953 | ret = add_job(td, name, 0); |
3b8b7135 | 954 | } else { |
b1508cf9 JA |
955 | log_err("fio: job %s dropped\n", name); |
956 | put_job(td); | |
45410acb | 957 | } |
3b8b7135 JA |
958 | |
959 | for (i = 0; i < num_opts; i++) | |
960 | free(opts[i]); | |
961 | num_opts = 0; | |
7c124ac1 | 962 | } while (!ret); |
ebac4655 | 963 | |
cca73aa7 JA |
964 | if (dump_cmdline) |
965 | log_info("\n"); | |
966 | ||
3b8b7135 JA |
967 | for (i = 0; i < num_opts; i++) |
968 | free(opts[i]); | |
969 | ||
ebac4655 JA |
970 | free(string); |
971 | free(name); | |
2577594d | 972 | free(opts); |
50d16976 | 973 | if (!is_buf && f != stdin) |
5a729cbe | 974 | fclose(f); |
45410acb | 975 | return ret; |
ebac4655 JA |
976 | } |
977 | ||
978 | static int fill_def_thread(void) | |
979 | { | |
980 | memset(&def_thread, 0, sizeof(def_thread)); | |
981 | ||
375b2695 | 982 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
983 | |
984 | /* | |
ee738499 | 985 | * fill default options |
ebac4655 | 986 | */ |
214e1eca | 987 | fio_fill_default_options(&def_thread); |
ebac4655 JA |
988 | return 0; |
989 | } | |
990 | ||
214e1eca JA |
991 | static void free_shm(void) |
992 | { | |
993 | struct shmid_ds sbuf; | |
994 | ||
995 | if (threads) { | |
5e1d306e JA |
996 | void *tp = threads; |
997 | ||
214e1eca | 998 | threads = NULL; |
5e1d306e JA |
999 | file_hash_exit(); |
1000 | fio_debug_jobp = NULL; | |
1001 | shmdt(tp); | |
214e1eca JA |
1002 | shmctl(shm_id, IPC_RMID, &sbuf); |
1003 | } | |
2e5cdb11 JA |
1004 | |
1005 | scleanup(); | |
214e1eca JA |
1006 | } |
1007 | ||
1008 | /* | |
1009 | * The thread area is shared between the main process and the job | |
1010 | * threads/processes. So setup a shared memory segment that will hold | |
380065aa JA |
1011 | * all the job info. We use the end of the region for keeping track of |
1012 | * open files across jobs, for file sharing. | |
214e1eca JA |
1013 | */ |
1014 | static int setup_thread_area(void) | |
1015 | { | |
380065aa JA |
1016 | void *hash; |
1017 | ||
214e1eca JA |
1018 | /* |
1019 | * 1024 is too much on some machines, scale max_jobs if | |
1020 | * we get a failure that looks like too large a shm segment | |
1021 | */ | |
1022 | do { | |
1023 | size_t size = max_jobs * sizeof(struct thread_data); | |
1024 | ||
380065aa | 1025 | size += file_hash_size; |
5e1d306e | 1026 | size += sizeof(unsigned int); |
380065aa | 1027 | |
214e1eca JA |
1028 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
1029 | if (shm_id != -1) | |
1030 | break; | |
1031 | if (errno != EINVAL) { | |
1032 | perror("shmget"); | |
1033 | break; | |
1034 | } | |
1035 | ||
1036 | max_jobs >>= 1; | |
1037 | } while (max_jobs); | |
1038 | ||
1039 | if (shm_id == -1) | |
1040 | return 1; | |
1041 | ||
1042 | threads = shmat(shm_id, NULL, 0); | |
1043 | if (threads == (void *) -1) { | |
1044 | perror("shmat"); | |
1045 | return 1; | |
1046 | } | |
1047 | ||
1f809d15 | 1048 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
380065aa | 1049 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); |
5e1d306e JA |
1050 | fio_debug_jobp = (void *) hash + file_hash_size; |
1051 | *fio_debug_jobp = -1; | |
380065aa | 1052 | file_hash_init(hash); |
214e1eca JA |
1053 | atexit(free_shm); |
1054 | return 0; | |
1055 | } | |
1056 | ||
45378b35 | 1057 | static void usage(const char *name) |
4785f995 | 1058 | { |
43617628 | 1059 | printf("%s\n", fio_version_string); |
45378b35 | 1060 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 1061 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
1062 | printf("\t--output\tWrite output to file\n"); |
1063 | printf("\t--timeout\tRuntime in seconds\n"); | |
1064 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1065 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1066 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1067 | printf("\t--version\tPrint version info and exit\n"); | |
f57a9c59 | 1068 | printf("\t--terse-version=x Terse version output format\n"); |
fd28ca49 | 1069 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
1070 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
1071 | " them\n"); | |
cca73aa7 | 1072 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
1073 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
1074 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
1075 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
1076 | " writes\n"); | |
01f06b63 | 1077 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
1078 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
1079 | " (def 1024)\n"); | |
a9523c6f | 1080 | printf("\t--warnings-fatal Fio parser warnings are fatal\n"); |
fca70358 | 1081 | printf("\t--max-jobs\tMaximum number of threads/processes to support\n"); |
aa58d252 JA |
1082 | printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); |
1083 | printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); | |
4785f995 JA |
1084 | } |
1085 | ||
79e48f72 | 1086 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 1087 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
1088 | { .name = "process", .shift = FD_PROCESS, }, |
1089 | { .name = "file", .shift = FD_FILE, }, | |
1090 | { .name = "io", .shift = FD_IO, }, | |
1091 | { .name = "mem", .shift = FD_MEM, }, | |
1092 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
1093 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 1094 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 1095 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 1096 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
5e1d306e | 1097 | { .name = "job", .shift = FD_JOB }, |
29adda3c | 1098 | { .name = "mutex", .shift = FD_MUTEX }, |
79d16311 | 1099 | { .name = "profile", .shift = FD_PROFILE }, |
c223da83 | 1100 | { .name = "time", .shift = FD_TIME }, |
02444ad1 | 1101 | { .name = NULL, }, |
ee56ad50 JA |
1102 | }; |
1103 | ||
c09823ab | 1104 | static int set_debug(const char *string) |
ee56ad50 JA |
1105 | { |
1106 | struct debug_level *dl; | |
1107 | char *p = (char *) string; | |
1108 | char *opt; | |
1109 | int i; | |
1110 | ||
1111 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
ee56ad50 JA |
1112 | log_info("fio: dumping debug options:"); |
1113 | for (i = 0; debug_levels[i].name; i++) { | |
1114 | dl = &debug_levels[i]; | |
1115 | log_info("%s,", dl->name); | |
1116 | } | |
bd6f78b2 | 1117 | log_info("all\n"); |
c09823ab | 1118 | return 1; |
ee56ad50 JA |
1119 | } |
1120 | ||
1121 | while ((opt = strsep(&p, ",")) != NULL) { | |
1122 | int found = 0; | |
1123 | ||
5e1d306e JA |
1124 | if (!strncmp(opt, "all", 3)) { |
1125 | log_info("fio: set all debug options\n"); | |
1126 | fio_debug = ~0UL; | |
1127 | continue; | |
1128 | } | |
1129 | ||
ee56ad50 JA |
1130 | for (i = 0; debug_levels[i].name; i++) { |
1131 | dl = &debug_levels[i]; | |
5e1d306e JA |
1132 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
1133 | if (!found) | |
1134 | continue; | |
1135 | ||
1136 | if (dl->shift == FD_JOB) { | |
1137 | opt = strchr(opt, ':'); | |
1138 | if (!opt) { | |
1139 | log_err("fio: missing job number\n"); | |
1140 | break; | |
1141 | } | |
1142 | opt++; | |
1143 | fio_debug_jobno = atoi(opt); | |
1144 | log_info("fio: set debug jobno %d\n", | |
1145 | fio_debug_jobno); | |
1146 | } else { | |
ee56ad50 | 1147 | log_info("fio: set debug option %s\n", opt); |
bd6f78b2 | 1148 | fio_debug |= (1UL << dl->shift); |
ee56ad50 | 1149 | } |
5e1d306e | 1150 | break; |
ee56ad50 JA |
1151 | } |
1152 | ||
1153 | if (!found) | |
1154 | log_err("fio: debug mask %s not found\n", opt); | |
1155 | } | |
c09823ab | 1156 | return 0; |
ee56ad50 | 1157 | } |
79e48f72 | 1158 | #else |
69b98d4c | 1159 | static int set_debug(const char *string) |
79e48f72 JA |
1160 | { |
1161 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 1162 | return 1; |
79e48f72 JA |
1163 | } |
1164 | #endif | |
9ac8a797 | 1165 | |
4c6107ff JA |
1166 | static void fio_options_fill_optstring(void) |
1167 | { | |
1168 | char *ostr = cmd_optstr; | |
1169 | int i, c; | |
1170 | ||
1171 | c = i = 0; | |
1172 | while (l_opts[i].name) { | |
1173 | ostr[c++] = l_opts[i].val; | |
1174 | if (l_opts[i].has_arg == required_argument) | |
1175 | ostr[c++] = ':'; | |
1176 | else if (l_opts[i].has_arg == optional_argument) { | |
1177 | ostr[c++] = ':'; | |
1178 | ostr[c++] = ':'; | |
1179 | } | |
1180 | i++; | |
1181 | } | |
1182 | ostr[c] = '\0'; | |
1183 | } | |
1184 | ||
972cfd25 | 1185 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1186 | { |
b4692828 | 1187 | struct thread_data *td = NULL; |
c09823ab | 1188 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
4c6107ff | 1189 | char *ostr = cmd_optstr; |
ebac4655 | 1190 | |
4c6107ff | 1191 | while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { |
ebac4655 | 1192 | switch (c) { |
2b386d25 JA |
1193 | case 'a': |
1194 | smalloc_pool_size = atoi(optarg); | |
1195 | break; | |
b4692828 | 1196 | case 't': |
ab2cabdb | 1197 | def_thread.o.timeout = atoi(optarg); |
b4692828 JA |
1198 | break; |
1199 | case 'l': | |
1200 | write_lat_log = 1; | |
1201 | break; | |
3d73e5a9 | 1202 | case 'b': |
b4692828 JA |
1203 | write_bw_log = 1; |
1204 | break; | |
1205 | case 'o': | |
1206 | f_out = fopen(optarg, "w+"); | |
1207 | if (!f_out) { | |
1208 | perror("fopen output"); | |
1209 | exit(1); | |
1210 | } | |
1211 | f_err = f_out; | |
1212 | break; | |
1213 | case 'm': | |
1214 | terse_output = 1; | |
1215 | break; | |
1216 | case 'h': | |
45378b35 | 1217 | usage(argv[0]); |
b4692828 | 1218 | exit(0); |
fd28ca49 | 1219 | case 'c': |
214e1eca | 1220 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
1221 | case 's': |
1222 | dump_cmdline = 1; | |
1223 | break; | |
724e4435 JA |
1224 | case 'r': |
1225 | read_only = 1; | |
1226 | break; | |
b4692828 | 1227 | case 'v': |
ca740f4e | 1228 | log_info("%s\n", fio_version_string); |
b4692828 | 1229 | exit(0); |
f57a9c59 JA |
1230 | case 'V': |
1231 | terse_version = atoi(optarg); | |
1232 | if (terse_version != 2) { | |
1233 | log_err("fio: bad terse version format\n"); | |
1234 | exit_val = 1; | |
1235 | do_exit++; | |
1236 | } | |
1237 | break; | |
e592a06b AC |
1238 | case 'e': |
1239 | if (!strcmp("always", optarg)) | |
1240 | eta_print = FIO_ETA_ALWAYS; | |
1241 | else if (!strcmp("never", optarg)) | |
1242 | eta_print = FIO_ETA_NEVER; | |
1243 | break; | |
ee56ad50 | 1244 | case 'd': |
c09823ab JA |
1245 | if (set_debug(optarg)) |
1246 | do_exit++; | |
ee56ad50 | 1247 | break; |
ad0a2735 JA |
1248 | case 'x': { |
1249 | size_t new_size; | |
1250 | ||
01f06b63 | 1251 | if (!strcmp(optarg, "global")) { |
5ec10eaa JA |
1252 | log_err("fio: can't use global as only " |
1253 | "section\n"); | |
c09823ab JA |
1254 | do_exit++; |
1255 | exit_val = 1; | |
01f06b63 JA |
1256 | break; |
1257 | } | |
ad0a2735 JA |
1258 | new_size = (nr_job_sections + 1) * sizeof(char *); |
1259 | job_sections = realloc(job_sections, new_size); | |
1260 | job_sections[nr_job_sections] = strdup(optarg); | |
1261 | nr_job_sections++; | |
01f06b63 | 1262 | break; |
ad0a2735 | 1263 | } |
9ac8a797 | 1264 | case 'p': |
07b3232d | 1265 | exec_profile = strdup(optarg); |
9ac8a797 | 1266 | break; |
b4692828 | 1267 | case FIO_GETOPT_JOB: { |
5ec10eaa | 1268 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
1269 | char *val = optarg; |
1270 | ||
c2b1e753 | 1271 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 1272 | ret = add_job(td, td->o.name ?: "fio", 0); |
66251554 | 1273 | if (ret) |
c2b1e753 | 1274 | return 0; |
c2b1e753 JA |
1275 | td = NULL; |
1276 | } | |
b4692828 | 1277 | if (!td) { |
01f06b63 | 1278 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
1279 | int global = 0; |
1280 | ||
01f06b63 | 1281 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 1282 | global = 1; |
c2b1e753 | 1283 | |
01f06b63 JA |
1284 | if (is_section && skip_this_section(val)) |
1285 | continue; | |
1286 | ||
c2b1e753 | 1287 | td = get_new_job(global, &def_thread); |
b4692828 JA |
1288 | if (!td) |
1289 | return 0; | |
1290 | } | |
38d0adb0 | 1291 | |
214e1eca | 1292 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
1293 | break; |
1294 | } | |
a9523c6f JA |
1295 | case 'w': |
1296 | warnings_fatal = 1; | |
1297 | break; | |
fca70358 JA |
1298 | case 'j': |
1299 | max_jobs = atoi(optarg); | |
1300 | if (!max_jobs || max_jobs > REAL_MAX_JOBS) { | |
1301 | log_err("fio: invalid max jobs: %d\n", max_jobs); | |
1302 | do_exit++; | |
1303 | exit_val = 1; | |
1304 | } | |
1305 | break; | |
50d16976 JA |
1306 | case 'S': |
1307 | is_backend = 1; | |
1308 | break; | |
b4692828 | 1309 | default: |
c09823ab JA |
1310 | do_exit++; |
1311 | exit_val = 1; | |
b4692828 | 1312 | break; |
ebac4655 JA |
1313 | } |
1314 | } | |
c9fad893 | 1315 | |
c09823ab JA |
1316 | if (do_exit) |
1317 | exit(exit_val); | |
536582bf | 1318 | |
50d16976 | 1319 | if (is_backend) |
5c341e9a | 1320 | return fio_server(); |
50d16976 | 1321 | |
b4692828 | 1322 | if (td) { |
7d6a8904 | 1323 | if (!ret) |
2dc1bbeb | 1324 | ret = add_job(td, td->o.name ?: "fio", 0); |
972cfd25 | 1325 | } |
774a6177 | 1326 | |
b4692828 JA |
1327 | while (optind < argc) { |
1328 | ini_idx++; | |
1329 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1330 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1331 | optind++; | |
eb8bbf48 | 1332 | } |
972cfd25 JA |
1333 | |
1334 | return ini_idx; | |
ebac4655 JA |
1335 | } |
1336 | ||
ebac4655 JA |
1337 | int parse_options(int argc, char *argv[]) |
1338 | { | |
972cfd25 JA |
1339 | int job_files, i; |
1340 | ||
b4692828 JA |
1341 | f_out = stdout; |
1342 | f_err = stderr; | |
1343 | ||
4c6107ff | 1344 | fio_options_fill_optstring(); |
5ec10eaa | 1345 | fio_options_dup_and_init(l_opts); |
b4692828 | 1346 | |
ebac4655 JA |
1347 | if (setup_thread_area()) |
1348 | return 1; | |
1349 | if (fill_def_thread()) | |
1350 | return 1; | |
1351 | ||
972cfd25 | 1352 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1353 | |
972cfd25 JA |
1354 | for (i = 0; i < job_files; i++) { |
1355 | if (fill_def_thread()) | |
1356 | return 1; | |
50d16976 | 1357 | if (parse_jobs_ini(ini_file[i], 0, i)) |
972cfd25 | 1358 | return 1; |
88c6ed80 | 1359 | free(ini_file[i]); |
972cfd25 | 1360 | } |
ebac4655 | 1361 | |
88c6ed80 | 1362 | free(ini_file); |
d23bb327 | 1363 | options_mem_free(&def_thread); |
b4692828 JA |
1364 | |
1365 | if (!thread_number) { | |
cca73aa7 JA |
1366 | if (dump_cmdline) |
1367 | return 0; | |
07b3232d JA |
1368 | if (exec_profile) |
1369 | return 0; | |
5c341e9a JA |
1370 | if (is_backend) |
1371 | return 0; | |
cca73aa7 | 1372 | |
03e20d68 | 1373 | log_err("No jobs(s) defined\n\n"); |
45378b35 | 1374 | usage(argv[0]); |
b4692828 JA |
1375 | return 1; |
1376 | } | |
1377 | ||
be4ecfdf JA |
1378 | if (def_thread.o.gtod_offload) { |
1379 | fio_gtod_init(); | |
1380 | fio_gtod_offload = 1; | |
1381 | fio_gtod_cpu = def_thread.o.gtod_cpu; | |
1382 | } | |
1383 | ||
ca740f4e | 1384 | log_info("%s\n", fio_version_string); |
ebac4655 JA |
1385 | return 0; |
1386 | } |