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" |
ebac4655 | 22 | |
bf2e821a CC |
23 | #include "lib/getopt.h" |
24 | ||
27a779bf | 25 | static char fio_version_string[] = "fio 1.55"; |
214e1eca | 26 | |
ee738499 | 27 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 28 | |
214e1eca | 29 | static char **ini_file; |
fca70358 | 30 | static int max_jobs = FIO_MAX_JOBS; |
cca73aa7 | 31 | static int dump_cmdline; |
e1f36503 | 32 | |
be4ecfdf | 33 | static struct thread_data def_thread; |
214e1eca | 34 | struct thread_data *threads = NULL; |
e1f36503 | 35 | |
214e1eca JA |
36 | int exitall_on_terminate = 0; |
37 | int terse_output = 0; | |
e592a06b | 38 | int eta_print; |
214e1eca JA |
39 | unsigned long long mlock_size = 0; |
40 | FILE *f_out = NULL; | |
41 | FILE *f_err = NULL; | |
ad0a2735 JA |
42 | char **job_sections = NULL; |
43 | int nr_job_sections = 0; | |
07b3232d | 44 | char *exec_profile = NULL; |
a9523c6f | 45 | int warnings_fatal = 0; |
ee738499 | 46 | |
214e1eca | 47 | int write_bw_log = 0; |
4241ea8f | 48 | int read_only = 0; |
214e1eca | 49 | |
5ec10eaa JA |
50 | static int def_timeout; |
51 | static int write_lat_log; | |
e1f36503 | 52 | |
214e1eca | 53 | static int prev_group_jobs; |
b4692828 | 54 | |
ee56ad50 | 55 | unsigned long fio_debug = 0; |
5e1d306e JA |
56 | unsigned int fio_debug_jobno = -1; |
57 | unsigned int *fio_debug_jobp = NULL; | |
ee56ad50 | 58 | |
4c6107ff JA |
59 | static char cmd_optstr[256]; |
60 | ||
b4692828 JA |
61 | /* |
62 | * Command line options. These will contain the above, plus a few | |
63 | * extra that only pertain to fio itself and not jobs. | |
64 | */ | |
5ec10eaa | 65 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 | 66 | { |
08d2a19c | 67 | .name = (char *) "output", |
b4692828 JA |
68 | .has_arg = required_argument, |
69 | .val = 'o', | |
70 | }, | |
71 | { | |
08d2a19c | 72 | .name = (char *) "timeout", |
b4692828 JA |
73 | .has_arg = required_argument, |
74 | .val = 't', | |
75 | }, | |
76 | { | |
08d2a19c | 77 | .name = (char *) "latency-log", |
b4692828 JA |
78 | .has_arg = required_argument, |
79 | .val = 'l', | |
80 | }, | |
81 | { | |
08d2a19c | 82 | .name = (char *) "bandwidth-log", |
b4692828 JA |
83 | .has_arg = required_argument, |
84 | .val = 'b', | |
85 | }, | |
86 | { | |
08d2a19c | 87 | .name = (char *) "minimal", |
b4692828 JA |
88 | .has_arg = optional_argument, |
89 | .val = 'm', | |
90 | }, | |
91 | { | |
08d2a19c | 92 | .name = (char *) "version", |
b4692828 JA |
93 | .has_arg = no_argument, |
94 | .val = 'v', | |
95 | }, | |
fd28ca49 | 96 | { |
08d2a19c | 97 | .name = (char *) "help", |
fd28ca49 JA |
98 | .has_arg = no_argument, |
99 | .val = 'h', | |
100 | }, | |
101 | { | |
08d2a19c | 102 | .name = (char *) "cmdhelp", |
320beefe | 103 | .has_arg = optional_argument, |
fd28ca49 JA |
104 | .val = 'c', |
105 | }, | |
cca73aa7 | 106 | { |
08d2a19c | 107 | .name = (char *) "showcmd", |
cca73aa7 | 108 | .has_arg = no_argument, |
724e4435 JA |
109 | .val = 's', |
110 | }, | |
111 | { | |
08d2a19c | 112 | .name = (char *) "readonly", |
724e4435 JA |
113 | .has_arg = no_argument, |
114 | .val = 'r', | |
cca73aa7 | 115 | }, |
e592a06b | 116 | { |
08d2a19c | 117 | .name = (char *) "eta", |
e592a06b AC |
118 | .has_arg = required_argument, |
119 | .val = 'e', | |
120 | }, | |
ee56ad50 | 121 | { |
08d2a19c | 122 | .name = (char *) "debug", |
ee56ad50 JA |
123 | .has_arg = required_argument, |
124 | .val = 'd', | |
125 | }, | |
01f06b63 | 126 | { |
08d2a19c | 127 | .name = (char *) "section", |
01f06b63 JA |
128 | .has_arg = required_argument, |
129 | .val = 'x', | |
130 | }, | |
2b386d25 | 131 | { |
08d2a19c | 132 | .name = (char *) "alloc-size", |
2b386d25 JA |
133 | .has_arg = required_argument, |
134 | .val = 'a', | |
135 | }, | |
9ac8a797 | 136 | { |
08d2a19c | 137 | .name = (char *) "profile", |
9ac8a797 JA |
138 | .has_arg = required_argument, |
139 | .val = 'p', | |
140 | }, | |
a9523c6f | 141 | { |
08d2a19c | 142 | .name = (char *) "warnings-fatal", |
a9523c6f JA |
143 | .has_arg = no_argument, |
144 | .val = 'w', | |
145 | }, | |
fca70358 JA |
146 | { |
147 | .name = (char *) "max-jobs", | |
148 | .has_arg = required_argument, | |
149 | .val = 'j', | |
150 | }, | |
b4692828 JA |
151 | { |
152 | .name = NULL, | |
153 | }, | |
154 | }; | |
155 | ||
9728ce37 JB |
156 | FILE *get_f_out() |
157 | { | |
158 | return f_out; | |
159 | } | |
160 | ||
161 | FILE *get_f_err() | |
162 | { | |
163 | return f_err; | |
164 | } | |
165 | ||
906c8d75 JA |
166 | /* |
167 | * Return a free job structure. | |
168 | */ | |
ebac4655 JA |
169 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
170 | { | |
171 | struct thread_data *td; | |
172 | ||
173 | if (global) | |
174 | return &def_thread; | |
e61f1ec8 BC |
175 | if (thread_number >= max_jobs) { |
176 | log_err("error: maximum number of jobs (%d) reached.\n", | |
177 | max_jobs); | |
ebac4655 | 178 | return NULL; |
e61f1ec8 | 179 | } |
ebac4655 JA |
180 | |
181 | td = &threads[thread_number++]; | |
ddaeaa5a | 182 | *td = *parent; |
ebac4655 | 183 | |
e0b0d892 JA |
184 | td->o.uid = td->o.gid = -1U; |
185 | ||
cade3ef4 | 186 | dup_files(td, parent); |
d23bb327 | 187 | options_mem_dupe(td); |
cade3ef4 | 188 | |
15dc1934 JA |
189 | profile_add_hooks(td); |
190 | ||
ebac4655 | 191 | td->thread_number = thread_number; |
ebac4655 JA |
192 | return td; |
193 | } | |
194 | ||
195 | static void put_job(struct thread_data *td) | |
196 | { | |
549577a7 JA |
197 | if (td == &def_thread) |
198 | return; | |
84dd1886 | 199 | |
58c55ba0 | 200 | profile_td_exit(td); |
549577a7 | 201 | |
16edf25d | 202 | if (td->error) |
6d86144d | 203 | log_info("fio: %s\n", td->verror); |
16edf25d | 204 | |
ebac4655 JA |
205 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
206 | thread_number--; | |
207 | } | |
208 | ||
581e7141 | 209 | static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
127f6865 | 210 | { |
581e7141 | 211 | unsigned int bs = td->o.min_bs[ddir]; |
ba3e4e0c | 212 | unsigned long long bytes_per_sec; |
127f6865 | 213 | |
ff58fced JA |
214 | assert(ddir_rw(ddir)); |
215 | ||
ba3e4e0c RR |
216 | if (td->o.rate[ddir]) |
217 | bytes_per_sec = td->o.rate[ddir]; | |
218 | else | |
219 | bytes_per_sec = td->o.rate_iops[ddir] * bs; | |
127f6865 | 220 | |
ba3e4e0c | 221 | if (!bytes_per_sec) { |
127f6865 JA |
222 | log_err("rate lower than supported\n"); |
223 | return -1; | |
224 | } | |
225 | ||
ba3e4e0c | 226 | td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec; |
581e7141 | 227 | td->rate_pending_usleep[ddir] = 0; |
127f6865 JA |
228 | return 0; |
229 | } | |
230 | ||
581e7141 JA |
231 | static int setup_rate(struct thread_data *td) |
232 | { | |
233 | int ret = 0; | |
234 | ||
235 | if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) | |
236 | ret = __setup_rate(td, DDIR_READ); | |
237 | if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) | |
238 | ret |= __setup_rate(td, DDIR_WRITE); | |
239 | ||
240 | return ret; | |
241 | } | |
242 | ||
8347239a JA |
243 | static int fixed_block_size(struct thread_options *o) |
244 | { | |
245 | return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && | |
246 | o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && | |
247 | o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; | |
248 | } | |
249 | ||
dad915e3 JA |
250 | /* |
251 | * Lazy way of fixing up options that depend on each other. We could also | |
252 | * define option callback handlers, but this is easier. | |
253 | */ | |
4e991c23 | 254 | static int fixup_options(struct thread_data *td) |
e1f36503 | 255 | { |
2dc1bbeb | 256 | struct thread_options *o = &td->o; |
ff217451 | 257 | int ret = 0; |
dad915e3 | 258 | |
f356d01d | 259 | #ifndef FIO_HAVE_PSHARED_MUTEX |
9bbf57cc | 260 | if (!o->use_thread) { |
f356d01d JA |
261 | log_info("fio: this platform does not support process shared" |
262 | " mutexes, forcing use of threads. Use the 'thread'" | |
263 | " option to get rid of this warning.\n"); | |
9bbf57cc | 264 | o->use_thread = 1; |
a9523c6f | 265 | ret = warnings_fatal; |
f356d01d JA |
266 | } |
267 | #endif | |
268 | ||
2dc1bbeb | 269 | if (o->write_iolog_file && o->read_iolog_file) { |
076efc7c | 270 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
271 | free(o->write_iolog_file); |
272 | o->write_iolog_file = NULL; | |
a9523c6f | 273 | ret = warnings_fatal; |
076efc7c | 274 | } |
16b462ae | 275 | |
16b462ae JA |
276 | /* |
277 | * only really works for sequential io for now, and with 1 file | |
278 | */ | |
2dc1bbeb JA |
279 | if (o->zone_size && td_random(td) && o->open_files == 1) |
280 | o->zone_size = 0; | |
16b462ae JA |
281 | |
282 | /* | |
283 | * Reads can do overwrites, we always need to pre-create the file | |
284 | */ | |
285 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 286 | o->overwrite = 1; |
16b462ae | 287 | |
2dc1bbeb | 288 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 289 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
290 | if (!o->max_bs[DDIR_READ]) |
291 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
292 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 293 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
294 | if (!o->max_bs[DDIR_WRITE]) |
295 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 296 | |
2dc1bbeb | 297 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 298 | |
2b7a01d0 JA |
299 | /* |
300 | * For random IO, allow blockalign offset other than min_bs. | |
301 | */ | |
302 | if (!o->ba[DDIR_READ] || !td_random(td)) | |
303 | o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; | |
304 | if (!o->ba[DDIR_WRITE] || !td_random(td)) | |
305 | o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; | |
306 | ||
307 | if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || | |
308 | o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && | |
9bbf57cc | 309 | !o->norandommap) { |
2b7a01d0 | 310 | log_err("fio: Any use of blockalign= turns off randommap\n"); |
9bbf57cc | 311 | o->norandommap = 1; |
a9523c6f | 312 | ret = warnings_fatal; |
2b7a01d0 JA |
313 | } |
314 | ||
2dc1bbeb JA |
315 | if (!o->file_size_high) |
316 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 317 | |
8347239a JA |
318 | if (o->norandommap && o->verify != VERIFY_NONE |
319 | && !fixed_block_size(o)) { | |
320 | log_err("fio: norandommap given for variable block sizes, " | |
321 | "verify disabled\n"); | |
2dc1bbeb | 322 | o->verify = VERIFY_NONE; |
a9523c6f | 323 | ret = warnings_fatal; |
bb8895e0 | 324 | } |
2dc1bbeb | 325 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 326 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 327 | |
48097d5c JA |
328 | /* |
329 | * thinktime_spin must be less than thinktime | |
330 | */ | |
2dc1bbeb JA |
331 | if (o->thinktime_spin > o->thinktime) |
332 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
333 | |
334 | /* | |
335 | * The low water mark cannot be bigger than the iodepth | |
336 | */ | |
2dc1bbeb | 337 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
338 | /* |
339 | * syslet work around - if the workload is sequential, | |
340 | * we want to let the queue drain all the way down to | |
341 | * avoid seeking between async threads | |
342 | */ | |
343 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 344 | o->iodepth_low = 1; |
9467b77c | 345 | else |
2dc1bbeb | 346 | o->iodepth_low = o->iodepth; |
9467b77c | 347 | } |
cb5ab512 JA |
348 | |
349 | /* | |
350 | * If batch number isn't set, default to the same as iodepth | |
351 | */ | |
2dc1bbeb JA |
352 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
353 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 354 | |
2dc1bbeb JA |
355 | if (o->nr_files > td->files_index) |
356 | o->nr_files = td->files_index; | |
9f9214f2 | 357 | |
2dc1bbeb JA |
358 | if (o->open_files > o->nr_files || !o->open_files) |
359 | o->open_files = o->nr_files; | |
4e991c23 | 360 | |
581e7141 JA |
361 | if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| |
362 | ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + | |
363 | o->rate_iops_min[1]))) { | |
4e991c23 | 364 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
a9523c6f | 365 | ret = 1; |
4e991c23 | 366 | } |
581e7141 JA |
367 | if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || |
368 | (o->rate_iops[0] < o->rate_iops_min[0]) || | |
369 | (o->rate_iops[1] < o->rate_iops_min[1])) { | |
4e991c23 | 370 | log_err("fio: minimum rate exceeds rate\n"); |
a9523c6f | 371 | ret = 1; |
4e991c23 JA |
372 | } |
373 | ||
cf4464ca JA |
374 | if (!o->timeout && o->time_based) { |
375 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
376 | o->time_based = 0; | |
a9523c6f | 377 | ret = warnings_fatal; |
cf4464ca JA |
378 | } |
379 | ||
aa31f1f1 | 380 | if (o->fill_device && !o->size) |
5921e80c | 381 | o->size = -1ULL; |
5ec10eaa | 382 | |
9bbf57cc | 383 | if (o->verify != VERIFY_NONE) { |
996936f9 | 384 | if (td_write(td) && o->do_verify && o->numjobs > 1) { |
a9523c6f JA |
385 | log_info("Multiple writers may overwrite blocks that " |
386 | "belong to other jobs. This can cause " | |
387 | "verification failures.\n"); | |
388 | ret = warnings_fatal; | |
389 | } | |
390 | ||
9bbf57cc | 391 | o->refill_buffers = 1; |
2f1b8e8b JA |
392 | if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
393 | !o->verify_interval) | |
394 | o->verify_interval = o->min_bs[DDIR_WRITE]; | |
d990588e | 395 | } |
41ccd845 | 396 | |
9bbf57cc JA |
397 | if (o->pre_read) { |
398 | o->invalidate_cache = 0; | |
a9523c6f | 399 | if (td->io_ops->flags & FIO_PIPEIO) { |
9c0d2241 JA |
400 | log_info("fio: cannot pre-read files with an IO engine" |
401 | " that isn't seekable. Pre-read disabled.\n"); | |
a9523c6f JA |
402 | ret = warnings_fatal; |
403 | } | |
9c0d2241 | 404 | } |
34f1c044 | 405 | |
e72fa4d4 | 406 | #ifndef FIO_HAVE_FDATASYNC |
9bbf57cc | 407 | if (o->fdatasync_blocks) { |
e72fa4d4 JA |
408 | log_info("fio: this platform does not support fdatasync()" |
409 | " falling back to using fsync(). Use the 'fsync'" | |
410 | " option instead of 'fdatasync' to get rid of" | |
411 | " this warning\n"); | |
9bbf57cc JA |
412 | o->fsync_blocks = o->fdatasync_blocks; |
413 | o->fdatasync_blocks = 0; | |
a9523c6f | 414 | ret = warnings_fatal; |
e72fa4d4 JA |
415 | } |
416 | #endif | |
417 | ||
a9523c6f | 418 | return ret; |
e1f36503 JA |
419 | } |
420 | ||
f8977ee6 JA |
421 | /* |
422 | * This function leaks the buffer | |
423 | */ | |
424 | static char *to_kmg(unsigned int val) | |
425 | { | |
426 | char *buf = malloc(32); | |
f3502ba2 | 427 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
428 | char *p = post; |
429 | ||
245142ff | 430 | do { |
f8977ee6 JA |
431 | if (val & 1023) |
432 | break; | |
433 | ||
434 | val >>= 10; | |
435 | p++; | |
245142ff | 436 | } while (*p); |
f8977ee6 JA |
437 | |
438 | snprintf(buf, 31, "%u%c", val, *p); | |
439 | return buf; | |
440 | } | |
441 | ||
09629a90 JA |
442 | /* External engines are specified by "external:name.o") */ |
443 | static const char *get_engine_name(const char *str) | |
444 | { | |
445 | char *p = strstr(str, ":"); | |
446 | ||
447 | if (!p) | |
448 | return str; | |
449 | ||
450 | p++; | |
451 | strip_blank_front(&p); | |
452 | strip_blank_end(p); | |
453 | return p; | |
454 | } | |
455 | ||
e132cbae JA |
456 | static int exists_and_not_file(const char *filename) |
457 | { | |
458 | struct stat sb; | |
459 | ||
460 | if (lstat(filename, &sb) == -1) | |
461 | return 0; | |
462 | ||
ecc314ba BC |
463 | /* \\.\ is the device namespace in Windows, where every file |
464 | * is a device node */ | |
465 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
e132cbae JA |
466 | return 0; |
467 | ||
468 | return 1; | |
469 | } | |
470 | ||
4c07ad86 | 471 | static void td_fill_rand_seeds_os(struct thread_data *td) |
5bfc35d7 JA |
472 | { |
473 | os_random_seed(td->rand_seeds[0], &td->bsrange_state); | |
474 | os_random_seed(td->rand_seeds[1], &td->verify_state); | |
475 | os_random_seed(td->rand_seeds[2], &td->rwmix_state); | |
476 | ||
477 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
478 | os_random_seed(td->rand_seeds[3], &td->next_file_state); | |
479 | ||
480 | os_random_seed(td->rand_seeds[5], &td->file_size_state); | |
0d29de83 | 481 | os_random_seed(td->rand_seeds[6], &td->trim_state); |
5bfc35d7 JA |
482 | |
483 | if (!td_random(td)) | |
484 | return; | |
485 | ||
486 | if (td->o.rand_repeatable) | |
487 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
488 | ||
489 | os_random_seed(td->rand_seeds[4], &td->random_state); | |
4c07ad86 JA |
490 | } |
491 | ||
492 | static void td_fill_rand_seeds_internal(struct thread_data *td) | |
493 | { | |
494 | init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]); | |
495 | init_rand_seed(&td->__verify_state, td->rand_seeds[1]); | |
496 | init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]); | |
497 | ||
498 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) | |
499 | init_rand_seed(&td->__next_file_state, td->rand_seeds[3]); | |
500 | ||
501 | init_rand_seed(&td->__file_size_state, td->rand_seeds[5]); | |
502 | init_rand_seed(&td->__trim_state, td->rand_seeds[6]); | |
503 | ||
504 | if (!td_random(td)) | |
505 | return; | |
506 | ||
507 | if (td->o.rand_repeatable) | |
508 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; | |
509 | ||
2615cc4b | 510 | init_rand_seed(&td->__random_state, td->rand_seeds[4]); |
5bfc35d7 JA |
511 | } |
512 | ||
4c07ad86 JA |
513 | void td_fill_rand_seeds(struct thread_data *td) |
514 | { | |
515 | if (td->o.use_os_rand) | |
516 | td_fill_rand_seeds_os(td); | |
517 | else | |
518 | td_fill_rand_seeds_internal(td); | |
519 | } | |
520 | ||
9c60ce64 JA |
521 | /* |
522 | * Initialize the various random states we need (random io, block size ranges, | |
523 | * read/write mix, etc). | |
524 | */ | |
525 | static int init_random_state(struct thread_data *td) | |
526 | { | |
68727076 | 527 | int fd; |
9c60ce64 JA |
528 | |
529 | fd = open("/dev/urandom", O_RDONLY); | |
530 | if (fd == -1) { | |
531 | td_verror(td, errno, "open"); | |
532 | return 1; | |
533 | } | |
534 | ||
5bfc35d7 JA |
535 | if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) < |
536 | (int) sizeof(td->rand_seeds)) { | |
9c60ce64 JA |
537 | td_verror(td, EIO, "read"); |
538 | close(fd); | |
539 | return 1; | |
540 | } | |
541 | ||
542 | close(fd); | |
5bfc35d7 | 543 | td_fill_rand_seeds(td); |
9c60ce64 JA |
544 | return 0; |
545 | } | |
546 | ||
906c8d75 JA |
547 | /* |
548 | * Adds a job to the list of things todo. Sanitizes the various options | |
549 | * to make sure we don't have conflicts, and initializes various | |
550 | * members of td. | |
551 | */ | |
75154845 | 552 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 553 | { |
413dd459 JA |
554 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
555 | "randread", "randwrite", "randrw" }; | |
af52b345 | 556 | unsigned int i; |
09629a90 | 557 | const char *engine; |
af52b345 | 558 | char fname[PATH_MAX]; |
e132cbae | 559 | int numjobs, file_alloced; |
ebac4655 | 560 | |
ebac4655 JA |
561 | /* |
562 | * the def_thread is just for options, it's not a real job | |
563 | */ | |
564 | if (td == &def_thread) | |
565 | return 0; | |
566 | ||
cca73aa7 JA |
567 | /* |
568 | * if we are just dumping the output command line, don't add the job | |
569 | */ | |
570 | if (dump_cmdline) { | |
571 | put_job(td); | |
572 | return 0; | |
573 | } | |
574 | ||
58c55ba0 | 575 | if (profile_td_init(td)) |
66251554 | 576 | goto err; |
58c55ba0 | 577 | |
2dc1bbeb | 578 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
579 | td->io_ops = load_ioengine(td, engine); |
580 | if (!td->io_ops) { | |
581 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 582 | goto err; |
09629a90 | 583 | } |
df64119d | 584 | |
2dc1bbeb | 585 | if (td->o.use_thread) |
9cedf167 JA |
586 | nr_thread++; |
587 | else | |
588 | nr_process++; | |
589 | ||
2dc1bbeb | 590 | if (td->o.odirect) |
690adba3 JA |
591 | td->io_ops->flags |= FIO_RAWIO; |
592 | ||
e132cbae | 593 | file_alloced = 0; |
691c8fb0 | 594 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 595 | file_alloced = 1; |
80be24f4 | 596 | |
2dc1bbeb | 597 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 598 | add_file(td, jobname); |
7b05a215 | 599 | else { |
2dc1bbeb | 600 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
601 | sprintf(fname, "%s.%d.%d", jobname, |
602 | td->thread_number, i); | |
7b05a215 JA |
603 | add_file(td, fname); |
604 | } | |
af52b345 | 605 | } |
0af7b542 | 606 | } |
ebac4655 | 607 | |
4e991c23 JA |
608 | if (fixup_options(td)) |
609 | goto err; | |
e0a22335 | 610 | |
07eb79df JA |
611 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
612 | struct fio_file *f; | |
613 | ||
614 | for_each_file(td, f, i) | |
615 | f->real_file_size = -1ULL; | |
616 | } | |
617 | ||
cdd18ad8 | 618 | td->mutex = fio_mutex_init(0); |
ebac4655 | 619 | |
756867bd JA |
620 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
621 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
02af0988 | 622 | td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX; |
756867bd | 623 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; |
cdd5411e | 624 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
ebac4655 | 625 | |
755c3189 | 626 | if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { |
3c5df6fa | 627 | prev_group_jobs = 0; |
ebac4655 | 628 | groupid++; |
3c5df6fa | 629 | } |
ebac4655 JA |
630 | |
631 | td->groupid = groupid; | |
3c5df6fa | 632 | prev_group_jobs++; |
ebac4655 | 633 | |
9c60ce64 JA |
634 | if (init_random_state(td)) |
635 | goto err; | |
636 | ||
ebac4655 JA |
637 | if (setup_rate(td)) |
638 | goto err; | |
639 | ||
2dc1bbeb | 640 | if (td->o.write_lat_log) { |
02af0988 | 641 | setup_log(&td->ts.lat_log); |
756867bd JA |
642 | setup_log(&td->ts.slat_log); |
643 | setup_log(&td->ts.clat_log); | |
ebac4655 | 644 | } |
2dc1bbeb | 645 | if (td->o.write_bw_log) |
756867bd | 646 | setup_log(&td->ts.bw_log); |
ebac4655 | 647 | |
2dc1bbeb JA |
648 | if (!td->o.name) |
649 | td->o.name = strdup(jobname); | |
01452055 | 650 | |
c6ae0a5b | 651 | if (!terse_output) { |
b990b5c0 | 652 | if (!job_add_num) { |
5ec10eaa JA |
653 | if (!strcmp(td->io_ops->name, "cpuio")) { |
654 | log_info("%s: ioengine=cpu, cpuload=%u," | |
655 | " cpucycle=%u\n", td->o.name, | |
656 | td->o.cpuload, | |
657 | td->o.cpucycle); | |
658 | } else { | |
f8977ee6 JA |
659 | char *c1, *c2, *c3, *c4; |
660 | ||
2dc1bbeb JA |
661 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
662 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
663 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
664 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 665 | |
5ec10eaa JA |
666 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
667 | " ioengine=%s, iodepth=%u\n", | |
668 | td->o.name, td->groupid, | |
669 | ddir_str[td->o.td_ddir], | |
670 | c1, c2, c3, c4, | |
671 | td->io_ops->name, | |
672 | td->o.iodepth); | |
f8977ee6 JA |
673 | |
674 | free(c1); | |
675 | free(c2); | |
676 | free(c3); | |
677 | free(c4); | |
678 | } | |
b990b5c0 | 679 | } else if (job_add_num == 1) |
6d86144d | 680 | log_info("...\n"); |
c6ae0a5b | 681 | } |
ebac4655 JA |
682 | |
683 | /* | |
684 | * recurse add identical jobs, clear numjobs and stonewall options | |
685 | * as they don't apply to sub-jobs | |
686 | */ | |
2dc1bbeb | 687 | numjobs = td->o.numjobs; |
ebac4655 JA |
688 | while (--numjobs) { |
689 | struct thread_data *td_new = get_new_job(0, td); | |
690 | ||
691 | if (!td_new) | |
692 | goto err; | |
693 | ||
2dc1bbeb JA |
694 | td_new->o.numjobs = 1; |
695 | td_new->o.stonewall = 0; | |
92c1d41f | 696 | td_new->o.new_group = 0; |
e132cbae JA |
697 | |
698 | if (file_alloced) { | |
2dc1bbeb | 699 | td_new->o.filename = NULL; |
e132cbae | 700 | td_new->files_index = 0; |
4e6ea2f1 | 701 | td_new->files_size = 0; |
e132cbae JA |
702 | td_new->files = NULL; |
703 | } | |
704 | ||
75154845 | 705 | job_add_num = numjobs - 1; |
ebac4655 | 706 | |
75154845 | 707 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
708 | goto err; |
709 | } | |
3c5df6fa | 710 | |
ebac4655 JA |
711 | return 0; |
712 | err: | |
713 | put_job(td); | |
714 | return -1; | |
715 | } | |
716 | ||
79d16311 JA |
717 | /* |
718 | * Parse as if 'o' was a command line | |
719 | */ | |
720 | void add_job_opts(const char **o) | |
721 | { | |
722 | struct thread_data *td, *td_parent; | |
723 | int i, in_global = 1; | |
724 | char jobname[32]; | |
725 | ||
726 | i = 0; | |
727 | td_parent = td = NULL; | |
728 | while (o[i]) { | |
729 | if (!strncmp(o[i], "name", 4)) { | |
730 | in_global = 0; | |
731 | if (td) | |
732 | add_job(td, jobname, 0); | |
733 | td = NULL; | |
734 | sprintf(jobname, "%s", o[i] + 5); | |
735 | } | |
736 | if (in_global && !td_parent) | |
737 | td_parent = get_new_job(1, &def_thread); | |
738 | else if (!in_global && !td) { | |
739 | if (!td_parent) | |
740 | td_parent = &def_thread; | |
741 | td = get_new_job(0, td_parent); | |
742 | } | |
743 | if (in_global) | |
744 | fio_options_parse(td_parent, (char **) &o[i], 1); | |
745 | else | |
746 | fio_options_parse(td, (char **) &o[i], 1); | |
747 | i++; | |
748 | } | |
749 | ||
750 | if (td) | |
751 | add_job(td, jobname, 0); | |
752 | } | |
753 | ||
01f06b63 JA |
754 | static int skip_this_section(const char *name) |
755 | { | |
ad0a2735 JA |
756 | int i; |
757 | ||
758 | if (!nr_job_sections) | |
01f06b63 JA |
759 | return 0; |
760 | if (!strncmp(name, "global", 6)) | |
761 | return 0; | |
762 | ||
ad0a2735 JA |
763 | for (i = 0; i < nr_job_sections; i++) |
764 | if (!strcmp(job_sections[i], name)) | |
765 | return 0; | |
766 | ||
767 | return 1; | |
01f06b63 JA |
768 | } |
769 | ||
ebac4655 JA |
770 | static int is_empty_or_comment(char *line) |
771 | { | |
772 | unsigned int i; | |
773 | ||
774 | for (i = 0; i < strlen(line); i++) { | |
775 | if (line[i] == ';') | |
776 | return 1; | |
5cc2da30 IM |
777 | if (line[i] == '#') |
778 | return 1; | |
76cd9378 | 779 | if (!isspace((int) line[i]) && !iscntrl((int) line[i])) |
ebac4655 JA |
780 | return 0; |
781 | } | |
782 | ||
783 | return 1; | |
784 | } | |
785 | ||
07261983 JA |
786 | /* |
787 | * This is our [ini] type file parser. | |
788 | */ | |
1e97cce9 | 789 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 790 | { |
e1f36503 | 791 | unsigned int global; |
ebac4655 | 792 | struct thread_data *td; |
fee3bb48 | 793 | char *string, *name; |
ebac4655 JA |
794 | FILE *f; |
795 | char *p; | |
0c7e37a0 | 796 | int ret = 0, stonewall; |
097b2991 | 797 | int first_sect = 1; |
ccf8f127 | 798 | int skip_fgets = 0; |
01f06b63 | 799 | int inside_skip = 0; |
3b8b7135 JA |
800 | char **opts; |
801 | int i, alloc_opts, num_opts; | |
ebac4655 | 802 | |
5a729cbe AC |
803 | if (!strcmp(file, "-")) |
804 | f = stdin; | |
805 | else | |
806 | f = fopen(file, "r"); | |
807 | ||
ebac4655 | 808 | if (!f) { |
aea47d44 | 809 | perror("fopen job file"); |
ebac4655 JA |
810 | return 1; |
811 | } | |
812 | ||
813 | string = malloc(4096); | |
7f7e6e59 JA |
814 | |
815 | /* | |
816 | * it's really 256 + small bit, 280 should suffice | |
817 | */ | |
818 | name = malloc(280); | |
819 | memset(name, 0, 280); | |
ebac4655 | 820 | |
3b8b7135 JA |
821 | alloc_opts = 8; |
822 | opts = malloc(sizeof(char *) * alloc_opts); | |
b7c6302d | 823 | num_opts = 0; |
3b8b7135 | 824 | |
0c7e37a0 | 825 | stonewall = stonewall_flag; |
7c124ac1 | 826 | do { |
ccf8f127 JA |
827 | /* |
828 | * if skip_fgets is set, we already have loaded a line we | |
829 | * haven't handled. | |
830 | */ | |
831 | if (!skip_fgets) { | |
832 | p = fgets(string, 4095, f); | |
833 | if (!p) | |
834 | break; | |
835 | } | |
cdc7f193 | 836 | |
ccf8f127 | 837 | skip_fgets = 0; |
cdc7f193 | 838 | strip_blank_front(&p); |
6c7c7da1 | 839 | strip_blank_end(p); |
cdc7f193 | 840 | |
ebac4655 JA |
841 | if (is_empty_or_comment(p)) |
842 | continue; | |
84dd1886 | 843 | if (sscanf(p, "[%255[^\n]]", name) != 1) { |
01f06b63 JA |
844 | if (inside_skip) |
845 | continue; | |
5ec10eaa JA |
846 | log_err("fio: option <%s> outside of [] job section\n", |
847 | p); | |
088b4207 | 848 | break; |
6c7c7da1 | 849 | } |
ebac4655 | 850 | |
7a4b80a1 JA |
851 | name[strlen(name) - 1] = '\0'; |
852 | ||
01f06b63 JA |
853 | if (skip_this_section(name)) { |
854 | inside_skip = 1; | |
855 | continue; | |
856 | } else | |
857 | inside_skip = 0; | |
858 | ||
ebac4655 JA |
859 | global = !strncmp(name, "global", 6); |
860 | ||
cca73aa7 | 861 | if (dump_cmdline) { |
097b2991 JA |
862 | if (first_sect) |
863 | log_info("fio "); | |
cca73aa7 JA |
864 | if (!global) |
865 | log_info("--name=%s ", name); | |
097b2991 | 866 | first_sect = 0; |
cca73aa7 JA |
867 | } |
868 | ||
ebac4655 | 869 | td = get_new_job(global, &def_thread); |
45410acb JA |
870 | if (!td) { |
871 | ret = 1; | |
872 | break; | |
873 | } | |
ebac4655 | 874 | |
972cfd25 JA |
875 | /* |
876 | * Seperate multiple job files by a stonewall | |
877 | */ | |
f9481919 | 878 | if (!global && stonewall) { |
2dc1bbeb | 879 | td->o.stonewall = stonewall; |
972cfd25 JA |
880 | stonewall = 0; |
881 | } | |
882 | ||
3b8b7135 JA |
883 | num_opts = 0; |
884 | memset(opts, 0, alloc_opts * sizeof(char *)); | |
885 | ||
ebac4655 JA |
886 | while ((p = fgets(string, 4096, f)) != NULL) { |
887 | if (is_empty_or_comment(p)) | |
888 | continue; | |
e1f36503 | 889 | |
b6754f9d | 890 | strip_blank_front(&p); |
7c124ac1 | 891 | |
ccf8f127 JA |
892 | /* |
893 | * new section, break out and make sure we don't | |
894 | * fgets() a new line at the top. | |
895 | */ | |
896 | if (p[0] == '[') { | |
897 | skip_fgets = 1; | |
7c124ac1 | 898 | break; |
ccf8f127 | 899 | } |
7c124ac1 | 900 | |
4ae3f763 | 901 | strip_blank_end(p); |
aea47d44 | 902 | |
3b8b7135 JA |
903 | if (num_opts == alloc_opts) { |
904 | alloc_opts <<= 1; | |
905 | opts = realloc(opts, | |
906 | alloc_opts * sizeof(char *)); | |
907 | } | |
908 | ||
909 | opts[num_opts] = strdup(p); | |
910 | num_opts++; | |
ebac4655 | 911 | } |
ebac4655 | 912 | |
3b8b7135 JA |
913 | ret = fio_options_parse(td, opts, num_opts); |
914 | if (!ret) { | |
915 | if (dump_cmdline) | |
916 | for (i = 0; i < num_opts; i++) | |
917 | log_info("--%s ", opts[i]); | |
918 | ||
45410acb | 919 | ret = add_job(td, name, 0); |
3b8b7135 | 920 | } else { |
b1508cf9 JA |
921 | log_err("fio: job %s dropped\n", name); |
922 | put_job(td); | |
45410acb | 923 | } |
3b8b7135 JA |
924 | |
925 | for (i = 0; i < num_opts; i++) | |
926 | free(opts[i]); | |
927 | num_opts = 0; | |
7c124ac1 | 928 | } while (!ret); |
ebac4655 | 929 | |
cca73aa7 JA |
930 | if (dump_cmdline) |
931 | log_info("\n"); | |
932 | ||
3b8b7135 JA |
933 | for (i = 0; i < num_opts; i++) |
934 | free(opts[i]); | |
935 | ||
ebac4655 JA |
936 | free(string); |
937 | free(name); | |
2577594d | 938 | free(opts); |
5a729cbe AC |
939 | if (f != stdin) |
940 | fclose(f); | |
45410acb | 941 | return ret; |
ebac4655 JA |
942 | } |
943 | ||
944 | static int fill_def_thread(void) | |
945 | { | |
946 | memset(&def_thread, 0, sizeof(def_thread)); | |
947 | ||
375b2695 | 948 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
949 | |
950 | /* | |
ee738499 | 951 | * fill default options |
ebac4655 | 952 | */ |
214e1eca | 953 | fio_fill_default_options(&def_thread); |
ee738499 | 954 | |
2dc1bbeb | 955 | def_thread.o.timeout = def_timeout; |
ebac4655 JA |
956 | return 0; |
957 | } | |
958 | ||
214e1eca JA |
959 | static void free_shm(void) |
960 | { | |
961 | struct shmid_ds sbuf; | |
962 | ||
963 | if (threads) { | |
5e1d306e JA |
964 | void *tp = threads; |
965 | ||
214e1eca | 966 | threads = NULL; |
5e1d306e JA |
967 | file_hash_exit(); |
968 | fio_debug_jobp = NULL; | |
969 | shmdt(tp); | |
214e1eca JA |
970 | shmctl(shm_id, IPC_RMID, &sbuf); |
971 | } | |
2e5cdb11 JA |
972 | |
973 | scleanup(); | |
214e1eca JA |
974 | } |
975 | ||
976 | /* | |
977 | * The thread area is shared between the main process and the job | |
978 | * threads/processes. So setup a shared memory segment that will hold | |
380065aa JA |
979 | * all the job info. We use the end of the region for keeping track of |
980 | * open files across jobs, for file sharing. | |
214e1eca JA |
981 | */ |
982 | static int setup_thread_area(void) | |
983 | { | |
380065aa JA |
984 | void *hash; |
985 | ||
214e1eca JA |
986 | /* |
987 | * 1024 is too much on some machines, scale max_jobs if | |
988 | * we get a failure that looks like too large a shm segment | |
989 | */ | |
990 | do { | |
991 | size_t size = max_jobs * sizeof(struct thread_data); | |
992 | ||
380065aa | 993 | size += file_hash_size; |
5e1d306e | 994 | size += sizeof(unsigned int); |
380065aa | 995 | |
214e1eca JA |
996 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
997 | if (shm_id != -1) | |
998 | break; | |
999 | if (errno != EINVAL) { | |
1000 | perror("shmget"); | |
1001 | break; | |
1002 | } | |
1003 | ||
1004 | max_jobs >>= 1; | |
1005 | } while (max_jobs); | |
1006 | ||
1007 | if (shm_id == -1) | |
1008 | return 1; | |
1009 | ||
1010 | threads = shmat(shm_id, NULL, 0); | |
1011 | if (threads == (void *) -1) { | |
1012 | perror("shmat"); | |
1013 | return 1; | |
1014 | } | |
1015 | ||
1f809d15 | 1016 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
380065aa | 1017 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); |
5e1d306e JA |
1018 | fio_debug_jobp = (void *) hash + file_hash_size; |
1019 | *fio_debug_jobp = -1; | |
380065aa | 1020 | file_hash_init(hash); |
214e1eca JA |
1021 | atexit(free_shm); |
1022 | return 0; | |
1023 | } | |
1024 | ||
45378b35 | 1025 | static void usage(const char *name) |
4785f995 | 1026 | { |
45378b35 | 1027 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 1028 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
1029 | printf("\t--output\tWrite output to file\n"); |
1030 | printf("\t--timeout\tRuntime in seconds\n"); | |
1031 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
1032 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
1033 | printf("\t--minimal\tMinimal (terse) output\n"); | |
1034 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 | 1035 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
1036 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
1037 | " them\n"); | |
cca73aa7 | 1038 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
1039 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
1040 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
1041 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
1042 | " writes\n"); | |
01f06b63 | 1043 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
1044 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
1045 | " (def 1024)\n"); | |
a9523c6f | 1046 | printf("\t--warnings-fatal Fio parser warnings are fatal\n"); |
fca70358 | 1047 | printf("\t--max-jobs\tMaximum number of threads/processes to support\n"); |
aa58d252 JA |
1048 | printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>"); |
1049 | printf("\n Jens Axboe <jaxboe@fusionio.com>\n"); | |
4785f995 JA |
1050 | } |
1051 | ||
79e48f72 | 1052 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 1053 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
1054 | { .name = "process", .shift = FD_PROCESS, }, |
1055 | { .name = "file", .shift = FD_FILE, }, | |
1056 | { .name = "io", .shift = FD_IO, }, | |
1057 | { .name = "mem", .shift = FD_MEM, }, | |
1058 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
1059 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 1060 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 1061 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 1062 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
5e1d306e | 1063 | { .name = "job", .shift = FD_JOB }, |
29adda3c | 1064 | { .name = "mutex", .shift = FD_MUTEX }, |
79d16311 | 1065 | { .name = "profile", .shift = FD_PROFILE }, |
c223da83 | 1066 | { .name = "time", .shift = FD_TIME }, |
02444ad1 | 1067 | { .name = NULL, }, |
ee56ad50 JA |
1068 | }; |
1069 | ||
c09823ab | 1070 | static int set_debug(const char *string) |
ee56ad50 JA |
1071 | { |
1072 | struct debug_level *dl; | |
1073 | char *p = (char *) string; | |
1074 | char *opt; | |
1075 | int i; | |
1076 | ||
1077 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
ee56ad50 JA |
1078 | log_info("fio: dumping debug options:"); |
1079 | for (i = 0; debug_levels[i].name; i++) { | |
1080 | dl = &debug_levels[i]; | |
1081 | log_info("%s,", dl->name); | |
1082 | } | |
bd6f78b2 | 1083 | log_info("all\n"); |
c09823ab | 1084 | return 1; |
ee56ad50 JA |
1085 | } |
1086 | ||
1087 | while ((opt = strsep(&p, ",")) != NULL) { | |
1088 | int found = 0; | |
1089 | ||
5e1d306e JA |
1090 | if (!strncmp(opt, "all", 3)) { |
1091 | log_info("fio: set all debug options\n"); | |
1092 | fio_debug = ~0UL; | |
1093 | continue; | |
1094 | } | |
1095 | ||
ee56ad50 JA |
1096 | for (i = 0; debug_levels[i].name; i++) { |
1097 | dl = &debug_levels[i]; | |
5e1d306e JA |
1098 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
1099 | if (!found) | |
1100 | continue; | |
1101 | ||
1102 | if (dl->shift == FD_JOB) { | |
1103 | opt = strchr(opt, ':'); | |
1104 | if (!opt) { | |
1105 | log_err("fio: missing job number\n"); | |
1106 | break; | |
1107 | } | |
1108 | opt++; | |
1109 | fio_debug_jobno = atoi(opt); | |
1110 | log_info("fio: set debug jobno %d\n", | |
1111 | fio_debug_jobno); | |
1112 | } else { | |
ee56ad50 | 1113 | log_info("fio: set debug option %s\n", opt); |
bd6f78b2 | 1114 | fio_debug |= (1UL << dl->shift); |
ee56ad50 | 1115 | } |
5e1d306e | 1116 | break; |
ee56ad50 JA |
1117 | } |
1118 | ||
1119 | if (!found) | |
1120 | log_err("fio: debug mask %s not found\n", opt); | |
1121 | } | |
c09823ab | 1122 | return 0; |
ee56ad50 | 1123 | } |
79e48f72 | 1124 | #else |
69b98d4c | 1125 | static int set_debug(const char *string) |
79e48f72 JA |
1126 | { |
1127 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 1128 | return 1; |
79e48f72 JA |
1129 | } |
1130 | #endif | |
9ac8a797 | 1131 | |
4c6107ff JA |
1132 | static void fio_options_fill_optstring(void) |
1133 | { | |
1134 | char *ostr = cmd_optstr; | |
1135 | int i, c; | |
1136 | ||
1137 | c = i = 0; | |
1138 | while (l_opts[i].name) { | |
1139 | ostr[c++] = l_opts[i].val; | |
1140 | if (l_opts[i].has_arg == required_argument) | |
1141 | ostr[c++] = ':'; | |
1142 | else if (l_opts[i].has_arg == optional_argument) { | |
1143 | ostr[c++] = ':'; | |
1144 | ostr[c++] = ':'; | |
1145 | } | |
1146 | i++; | |
1147 | } | |
1148 | ostr[c] = '\0'; | |
1149 | } | |
1150 | ||
972cfd25 | 1151 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1152 | { |
b4692828 | 1153 | struct thread_data *td = NULL; |
c09823ab | 1154 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
4c6107ff | 1155 | char *ostr = cmd_optstr; |
ebac4655 | 1156 | |
4c6107ff | 1157 | while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) { |
ebac4655 | 1158 | switch (c) { |
2b386d25 JA |
1159 | case 'a': |
1160 | smalloc_pool_size = atoi(optarg); | |
1161 | break; | |
b4692828 JA |
1162 | case 't': |
1163 | def_timeout = atoi(optarg); | |
1164 | break; | |
1165 | case 'l': | |
1166 | write_lat_log = 1; | |
1167 | break; | |
3d73e5a9 | 1168 | case 'b': |
b4692828 JA |
1169 | write_bw_log = 1; |
1170 | break; | |
1171 | case 'o': | |
1172 | f_out = fopen(optarg, "w+"); | |
1173 | if (!f_out) { | |
1174 | perror("fopen output"); | |
1175 | exit(1); | |
1176 | } | |
1177 | f_err = f_out; | |
1178 | break; | |
1179 | case 'm': | |
1180 | terse_output = 1; | |
1181 | break; | |
1182 | case 'h': | |
45378b35 | 1183 | usage(argv[0]); |
b4692828 | 1184 | exit(0); |
fd28ca49 | 1185 | case 'c': |
214e1eca | 1186 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
1187 | case 's': |
1188 | dump_cmdline = 1; | |
1189 | break; | |
724e4435 JA |
1190 | case 'r': |
1191 | read_only = 1; | |
1192 | break; | |
b4692828 | 1193 | case 'v': |
ca740f4e | 1194 | log_info("%s\n", fio_version_string); |
b4692828 | 1195 | exit(0); |
e592a06b AC |
1196 | case 'e': |
1197 | if (!strcmp("always", optarg)) | |
1198 | eta_print = FIO_ETA_ALWAYS; | |
1199 | else if (!strcmp("never", optarg)) | |
1200 | eta_print = FIO_ETA_NEVER; | |
1201 | break; | |
ee56ad50 | 1202 | case 'd': |
c09823ab JA |
1203 | if (set_debug(optarg)) |
1204 | do_exit++; | |
ee56ad50 | 1205 | break; |
ad0a2735 JA |
1206 | case 'x': { |
1207 | size_t new_size; | |
1208 | ||
01f06b63 | 1209 | if (!strcmp(optarg, "global")) { |
5ec10eaa JA |
1210 | log_err("fio: can't use global as only " |
1211 | "section\n"); | |
c09823ab JA |
1212 | do_exit++; |
1213 | exit_val = 1; | |
01f06b63 JA |
1214 | break; |
1215 | } | |
ad0a2735 JA |
1216 | new_size = (nr_job_sections + 1) * sizeof(char *); |
1217 | job_sections = realloc(job_sections, new_size); | |
1218 | job_sections[nr_job_sections] = strdup(optarg); | |
1219 | nr_job_sections++; | |
01f06b63 | 1220 | break; |
ad0a2735 | 1221 | } |
9ac8a797 | 1222 | case 'p': |
07b3232d | 1223 | exec_profile = strdup(optarg); |
9ac8a797 | 1224 | break; |
b4692828 | 1225 | case FIO_GETOPT_JOB: { |
5ec10eaa | 1226 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
1227 | char *val = optarg; |
1228 | ||
c2b1e753 | 1229 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 1230 | ret = add_job(td, td->o.name ?: "fio", 0); |
66251554 | 1231 | if (ret) |
c2b1e753 | 1232 | return 0; |
c2b1e753 JA |
1233 | td = NULL; |
1234 | } | |
b4692828 | 1235 | if (!td) { |
01f06b63 | 1236 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
1237 | int global = 0; |
1238 | ||
01f06b63 | 1239 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 1240 | global = 1; |
c2b1e753 | 1241 | |
01f06b63 JA |
1242 | if (is_section && skip_this_section(val)) |
1243 | continue; | |
1244 | ||
c2b1e753 | 1245 | td = get_new_job(global, &def_thread); |
b4692828 JA |
1246 | if (!td) |
1247 | return 0; | |
1248 | } | |
38d0adb0 | 1249 | |
214e1eca | 1250 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
1251 | break; |
1252 | } | |
a9523c6f JA |
1253 | case 'w': |
1254 | warnings_fatal = 1; | |
1255 | break; | |
fca70358 JA |
1256 | case 'j': |
1257 | max_jobs = atoi(optarg); | |
1258 | if (!max_jobs || max_jobs > REAL_MAX_JOBS) { | |
1259 | log_err("fio: invalid max jobs: %d\n", max_jobs); | |
1260 | do_exit++; | |
1261 | exit_val = 1; | |
1262 | } | |
1263 | break; | |
b4692828 | 1264 | default: |
c09823ab JA |
1265 | do_exit++; |
1266 | exit_val = 1; | |
b4692828 | 1267 | break; |
ebac4655 JA |
1268 | } |
1269 | } | |
c9fad893 | 1270 | |
c09823ab JA |
1271 | if (do_exit) |
1272 | exit(exit_val); | |
536582bf | 1273 | |
b4692828 | 1274 | if (td) { |
7d6a8904 | 1275 | if (!ret) |
2dc1bbeb | 1276 | ret = add_job(td, td->o.name ?: "fio", 0); |
972cfd25 | 1277 | } |
774a6177 | 1278 | |
b4692828 JA |
1279 | while (optind < argc) { |
1280 | ini_idx++; | |
1281 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1282 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1283 | optind++; | |
eb8bbf48 | 1284 | } |
972cfd25 JA |
1285 | |
1286 | return ini_idx; | |
ebac4655 JA |
1287 | } |
1288 | ||
ebac4655 JA |
1289 | int parse_options(int argc, char *argv[]) |
1290 | { | |
972cfd25 JA |
1291 | int job_files, i; |
1292 | ||
b4692828 JA |
1293 | f_out = stdout; |
1294 | f_err = stderr; | |
1295 | ||
4c6107ff | 1296 | fio_options_fill_optstring(); |
5ec10eaa | 1297 | fio_options_dup_and_init(l_opts); |
b4692828 | 1298 | |
ebac4655 JA |
1299 | if (setup_thread_area()) |
1300 | return 1; | |
1301 | if (fill_def_thread()) | |
1302 | return 1; | |
1303 | ||
972cfd25 | 1304 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1305 | |
972cfd25 JA |
1306 | for (i = 0; i < job_files; i++) { |
1307 | if (fill_def_thread()) | |
1308 | return 1; | |
0c7e37a0 | 1309 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1310 | return 1; |
88c6ed80 | 1311 | free(ini_file[i]); |
972cfd25 | 1312 | } |
ebac4655 | 1313 | |
88c6ed80 | 1314 | free(ini_file); |
d23bb327 | 1315 | options_mem_free(&def_thread); |
b4692828 JA |
1316 | |
1317 | if (!thread_number) { | |
cca73aa7 JA |
1318 | if (dump_cmdline) |
1319 | return 0; | |
07b3232d JA |
1320 | if (exec_profile) |
1321 | return 0; | |
cca73aa7 | 1322 | |
03e20d68 | 1323 | log_err("No jobs(s) defined\n\n"); |
45378b35 | 1324 | usage(argv[0]); |
b4692828 JA |
1325 | return 1; |
1326 | } | |
1327 | ||
be4ecfdf JA |
1328 | if (def_thread.o.gtod_offload) { |
1329 | fio_gtod_init(); | |
1330 | fio_gtod_offload = 1; | |
1331 | fio_gtod_cpu = def_thread.o.gtod_cpu; | |
1332 | } | |
1333 | ||
ca740f4e | 1334 | log_info("%s\n", fio_version_string); |
ebac4655 JA |
1335 | return 0; |
1336 | } |