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> | |
b4692828 | 11 | #include <getopt.h> |
ebac4655 JA |
12 | #include <sys/ipc.h> |
13 | #include <sys/shm.h> | |
14 | #include <sys/types.h> | |
15 | #include <sys/stat.h> | |
16 | ||
17 | #include "fio.h" | |
cb2c86fd | 18 | #include "parse.h" |
2e5cdb11 | 19 | #include "smalloc.h" |
380065aa | 20 | #include "filehash.h" |
ebac4655 | 21 | |
112b52d9 | 22 | static char fio_version_string[] = "fio 1.24"; |
214e1eca | 23 | |
ee738499 | 24 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 25 | |
214e1eca JA |
26 | static char **ini_file; |
27 | static int max_jobs = MAX_JOBS; | |
cca73aa7 | 28 | static int dump_cmdline; |
e1f36503 | 29 | |
be4ecfdf | 30 | static struct thread_data def_thread; |
214e1eca | 31 | struct thread_data *threads = NULL; |
e1f36503 | 32 | |
214e1eca JA |
33 | int exitall_on_terminate = 0; |
34 | int terse_output = 0; | |
e592a06b | 35 | int eta_print; |
214e1eca JA |
36 | unsigned long long mlock_size = 0; |
37 | FILE *f_out = NULL; | |
38 | FILE *f_err = NULL; | |
01f06b63 | 39 | char *job_section = NULL; |
ee738499 | 40 | |
214e1eca | 41 | int write_bw_log = 0; |
4241ea8f | 42 | int read_only = 0; |
214e1eca | 43 | |
5ec10eaa JA |
44 | static int def_timeout; |
45 | static int write_lat_log; | |
e1f36503 | 46 | |
214e1eca | 47 | static int prev_group_jobs; |
b4692828 | 48 | |
ee56ad50 | 49 | unsigned long fio_debug = 0; |
5e1d306e JA |
50 | unsigned int fio_debug_jobno = -1; |
51 | unsigned int *fio_debug_jobp = NULL; | |
ee56ad50 | 52 | |
b4692828 JA |
53 | /* |
54 | * Command line options. These will contain the above, plus a few | |
55 | * extra that only pertain to fio itself and not jobs. | |
56 | */ | |
5ec10eaa | 57 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 JA |
58 | { |
59 | .name = "output", | |
60 | .has_arg = required_argument, | |
61 | .val = 'o', | |
62 | }, | |
63 | { | |
64 | .name = "timeout", | |
65 | .has_arg = required_argument, | |
66 | .val = 't', | |
67 | }, | |
68 | { | |
69 | .name = "latency-log", | |
70 | .has_arg = required_argument, | |
71 | .val = 'l', | |
72 | }, | |
73 | { | |
74 | .name = "bandwidth-log", | |
75 | .has_arg = required_argument, | |
76 | .val = 'b', | |
77 | }, | |
78 | { | |
79 | .name = "minimal", | |
80 | .has_arg = optional_argument, | |
81 | .val = 'm', | |
82 | }, | |
83 | { | |
84 | .name = "version", | |
85 | .has_arg = no_argument, | |
86 | .val = 'v', | |
87 | }, | |
fd28ca49 JA |
88 | { |
89 | .name = "help", | |
90 | .has_arg = no_argument, | |
91 | .val = 'h', | |
92 | }, | |
93 | { | |
94 | .name = "cmdhelp", | |
320beefe | 95 | .has_arg = optional_argument, |
fd28ca49 JA |
96 | .val = 'c', |
97 | }, | |
cca73aa7 JA |
98 | { |
99 | .name = "showcmd", | |
100 | .has_arg = no_argument, | |
724e4435 JA |
101 | .val = 's', |
102 | }, | |
103 | { | |
104 | .name = "readonly", | |
105 | .has_arg = no_argument, | |
106 | .val = 'r', | |
cca73aa7 | 107 | }, |
e592a06b AC |
108 | { |
109 | .name = "eta", | |
110 | .has_arg = required_argument, | |
111 | .val = 'e', | |
112 | }, | |
ee56ad50 JA |
113 | { |
114 | .name = "debug", | |
115 | .has_arg = required_argument, | |
116 | .val = 'd', | |
117 | }, | |
01f06b63 JA |
118 | { |
119 | .name = "section", | |
120 | .has_arg = required_argument, | |
121 | .val = 'x', | |
122 | }, | |
2b386d25 JA |
123 | { |
124 | .name = "alloc-size", | |
125 | .has_arg = required_argument, | |
126 | .val = 'a', | |
127 | }, | |
b4692828 JA |
128 | { |
129 | .name = NULL, | |
130 | }, | |
131 | }; | |
132 | ||
9728ce37 JB |
133 | FILE *get_f_out() |
134 | { | |
135 | return f_out; | |
136 | } | |
137 | ||
138 | FILE *get_f_err() | |
139 | { | |
140 | return f_err; | |
141 | } | |
142 | ||
906c8d75 JA |
143 | /* |
144 | * Return a free job structure. | |
145 | */ | |
ebac4655 JA |
146 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
147 | { | |
148 | struct thread_data *td; | |
149 | ||
150 | if (global) | |
151 | return &def_thread; | |
152 | if (thread_number >= max_jobs) | |
153 | return NULL; | |
154 | ||
155 | td = &threads[thread_number++]; | |
ddaeaa5a | 156 | *td = *parent; |
ebac4655 | 157 | |
cade3ef4 | 158 | dup_files(td, parent); |
d23bb327 | 159 | options_mem_dupe(td); |
cade3ef4 | 160 | |
ebac4655 | 161 | td->thread_number = thread_number; |
ebac4655 JA |
162 | return td; |
163 | } | |
164 | ||
165 | static void put_job(struct thread_data *td) | |
166 | { | |
549577a7 JA |
167 | if (td == &def_thread) |
168 | return; | |
169 | ||
16edf25d | 170 | if (td->error) |
6d86144d | 171 | log_info("fio: %s\n", td->verror); |
16edf25d | 172 | |
ebac4655 JA |
173 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
174 | thread_number--; | |
175 | } | |
176 | ||
127f6865 JA |
177 | static int setup_rate(struct thread_data *td) |
178 | { | |
179 | unsigned long nr_reads_per_msec; | |
180 | unsigned long long rate; | |
181 | unsigned int bs; | |
182 | ||
2dc1bbeb | 183 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
184 | return 0; |
185 | ||
186 | if (td_rw(td)) | |
2dc1bbeb | 187 | bs = td->o.rw_min_bs; |
127f6865 | 188 | else if (td_read(td)) |
2dc1bbeb | 189 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 190 | else |
2dc1bbeb | 191 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 192 | |
2dc1bbeb JA |
193 | if (td->o.rate) { |
194 | rate = td->o.rate; | |
127f6865 JA |
195 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
196 | } else | |
2dc1bbeb | 197 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
198 | |
199 | if (!nr_reads_per_msec) { | |
200 | log_err("rate lower than supported\n"); | |
201 | return -1; | |
202 | } | |
203 | ||
204 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
205 | td->rate_pending_usleep = 0; | |
206 | return 0; | |
207 | } | |
208 | ||
dad915e3 JA |
209 | /* |
210 | * Lazy way of fixing up options that depend on each other. We could also | |
211 | * define option callback handlers, but this is easier. | |
212 | */ | |
4e991c23 | 213 | static int fixup_options(struct thread_data *td) |
e1f36503 | 214 | { |
2dc1bbeb | 215 | struct thread_options *o = &td->o; |
dad915e3 | 216 | |
f356d01d JA |
217 | #ifndef FIO_HAVE_PSHARED_MUTEX |
218 | if (!td->o.use_thread) { | |
219 | log_info("fio: this platform does not support process shared" | |
220 | " mutexes, forcing use of threads. Use the 'thread'" | |
221 | " option to get rid of this warning.\n"); | |
222 | td->o.use_thread = 1; | |
223 | } | |
224 | #endif | |
225 | ||
be4ecfdf JA |
226 | #ifndef FIO_HAVE_CPU_AFFINITY |
227 | if (td->o.gtod_cpu) { | |
228 | log_err("fio: platform must support CPU affinity for" | |
229 | "gettimeofday() offloading\n"); | |
230 | return 1; | |
231 | } | |
232 | #endif | |
233 | ||
724e4435 | 234 | if (read_only && td_write(td)) { |
5ec10eaa JA |
235 | log_err("fio: job <%s> has write bit set, but fio is in" |
236 | " read-only mode\n", td->o.name); | |
724e4435 JA |
237 | return 1; |
238 | } | |
5ec10eaa | 239 | |
2dc1bbeb | 240 | if (o->write_iolog_file && o->read_iolog_file) { |
076efc7c | 241 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
242 | free(o->write_iolog_file); |
243 | o->write_iolog_file = NULL; | |
076efc7c | 244 | } |
16b462ae | 245 | |
16b462ae JA |
246 | /* |
247 | * only really works for sequential io for now, and with 1 file | |
248 | */ | |
2dc1bbeb JA |
249 | if (o->zone_size && td_random(td) && o->open_files == 1) |
250 | o->zone_size = 0; | |
16b462ae JA |
251 | |
252 | /* | |
253 | * Reads can do overwrites, we always need to pre-create the file | |
254 | */ | |
255 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 256 | o->overwrite = 1; |
16b462ae | 257 | |
2dc1bbeb | 258 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 259 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
260 | if (!o->max_bs[DDIR_READ]) |
261 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
262 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 263 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
264 | if (!o->max_bs[DDIR_WRITE]) |
265 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 266 | |
2dc1bbeb | 267 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 268 | |
2dc1bbeb JA |
269 | if (!o->file_size_high) |
270 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 271 | |
2dc1bbeb | 272 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 273 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 274 | o->verify = VERIFY_NONE; |
bb8895e0 | 275 | } |
2dc1bbeb | 276 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 277 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 278 | |
48097d5c JA |
279 | /* |
280 | * thinktime_spin must be less than thinktime | |
281 | */ | |
2dc1bbeb JA |
282 | if (o->thinktime_spin > o->thinktime) |
283 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
284 | |
285 | /* | |
286 | * The low water mark cannot be bigger than the iodepth | |
287 | */ | |
2dc1bbeb | 288 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
289 | /* |
290 | * syslet work around - if the workload is sequential, | |
291 | * we want to let the queue drain all the way down to | |
292 | * avoid seeking between async threads | |
293 | */ | |
294 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 295 | o->iodepth_low = 1; |
9467b77c | 296 | else |
2dc1bbeb | 297 | o->iodepth_low = o->iodepth; |
9467b77c | 298 | } |
cb5ab512 JA |
299 | |
300 | /* | |
301 | * If batch number isn't set, default to the same as iodepth | |
302 | */ | |
2dc1bbeb JA |
303 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
304 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 305 | |
2dc1bbeb JA |
306 | if (o->nr_files > td->files_index) |
307 | o->nr_files = td->files_index; | |
9f9214f2 | 308 | |
2dc1bbeb JA |
309 | if (o->open_files > o->nr_files || !o->open_files) |
310 | o->open_files = o->nr_files; | |
4e991c23 | 311 | |
2dc1bbeb | 312 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
313 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
314 | return 1; | |
315 | } | |
2dc1bbeb | 316 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
317 | log_err("fio: minimum rate exceeds rate\n"); |
318 | return 1; | |
319 | } | |
320 | ||
cf4464ca JA |
321 | if (!o->timeout && o->time_based) { |
322 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
323 | o->time_based = 0; | |
324 | } | |
325 | ||
aa31f1f1 | 326 | if (o->fill_device && !o->size) |
5921e80c | 327 | o->size = -1ULL; |
5ec10eaa | 328 | |
79713149 JA |
329 | if (td_rw(td) && td->o.verify != VERIFY_NONE) |
330 | log_info("fio: mixed read/write workload with verify. May not " | |
331 | "work as expected, unless you pre-populated the file\n"); | |
aa31f1f1 | 332 | |
41ccd845 JA |
333 | if (td->o.verify != VERIFY_NONE) |
334 | td->o.refill_buffers = 1; | |
335 | ||
4e991c23 | 336 | return 0; |
e1f36503 JA |
337 | } |
338 | ||
f8977ee6 JA |
339 | /* |
340 | * This function leaks the buffer | |
341 | */ | |
342 | static char *to_kmg(unsigned int val) | |
343 | { | |
344 | char *buf = malloc(32); | |
f3502ba2 | 345 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
346 | char *p = post; |
347 | ||
245142ff | 348 | do { |
f8977ee6 JA |
349 | if (val & 1023) |
350 | break; | |
351 | ||
352 | val >>= 10; | |
353 | p++; | |
245142ff | 354 | } while (*p); |
f8977ee6 JA |
355 | |
356 | snprintf(buf, 31, "%u%c", val, *p); | |
357 | return buf; | |
358 | } | |
359 | ||
09629a90 JA |
360 | /* External engines are specified by "external:name.o") */ |
361 | static const char *get_engine_name(const char *str) | |
362 | { | |
363 | char *p = strstr(str, ":"); | |
364 | ||
365 | if (!p) | |
366 | return str; | |
367 | ||
368 | p++; | |
369 | strip_blank_front(&p); | |
370 | strip_blank_end(p); | |
371 | return p; | |
372 | } | |
373 | ||
e132cbae JA |
374 | static int exists_and_not_file(const char *filename) |
375 | { | |
376 | struct stat sb; | |
377 | ||
378 | if (lstat(filename, &sb) == -1) | |
379 | return 0; | |
380 | ||
381 | if (S_ISREG(sb.st_mode)) | |
382 | return 0; | |
383 | ||
384 | return 1; | |
385 | } | |
386 | ||
9c60ce64 JA |
387 | /* |
388 | * Initialize the various random states we need (random io, block size ranges, | |
389 | * read/write mix, etc). | |
390 | */ | |
391 | static int init_random_state(struct thread_data *td) | |
392 | { | |
393 | unsigned long seeds[6]; | |
68727076 | 394 | int fd; |
9c60ce64 JA |
395 | |
396 | fd = open("/dev/urandom", O_RDONLY); | |
397 | if (fd == -1) { | |
398 | td_verror(td, errno, "open"); | |
399 | return 1; | |
400 | } | |
401 | ||
402 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
403 | td_verror(td, EIO, "read"); | |
404 | close(fd); | |
405 | return 1; | |
406 | } | |
407 | ||
408 | close(fd); | |
409 | ||
410 | os_random_seed(seeds[0], &td->bsrange_state); | |
411 | os_random_seed(seeds[1], &td->verify_state); | |
412 | os_random_seed(seeds[2], &td->rwmix_state); | |
413 | ||
2dc1bbeb | 414 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
415 | os_random_seed(seeds[3], &td->next_file_state); |
416 | ||
417 | os_random_seed(seeds[5], &td->file_size_state); | |
418 | ||
419 | if (!td_random(td)) | |
420 | return 0; | |
421 | ||
2dc1bbeb | 422 | if (td->o.rand_repeatable) |
9c60ce64 JA |
423 | seeds[4] = FIO_RANDSEED * td->thread_number; |
424 | ||
9c60ce64 JA |
425 | os_random_seed(seeds[4], &td->random_state); |
426 | return 0; | |
427 | } | |
428 | ||
906c8d75 JA |
429 | /* |
430 | * Adds a job to the list of things todo. Sanitizes the various options | |
431 | * to make sure we don't have conflicts, and initializes various | |
432 | * members of td. | |
433 | */ | |
75154845 | 434 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 435 | { |
413dd459 JA |
436 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
437 | "randread", "randwrite", "randrw" }; | |
af52b345 | 438 | unsigned int i; |
09629a90 | 439 | const char *engine; |
af52b345 | 440 | char fname[PATH_MAX]; |
e132cbae | 441 | int numjobs, file_alloced; |
ebac4655 | 442 | |
ebac4655 JA |
443 | /* |
444 | * the def_thread is just for options, it's not a real job | |
445 | */ | |
446 | if (td == &def_thread) | |
447 | return 0; | |
448 | ||
cca73aa7 JA |
449 | /* |
450 | * if we are just dumping the output command line, don't add the job | |
451 | */ | |
452 | if (dump_cmdline) { | |
453 | put_job(td); | |
454 | return 0; | |
455 | } | |
456 | ||
2dc1bbeb | 457 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
458 | td->io_ops = load_ioengine(td, engine); |
459 | if (!td->io_ops) { | |
460 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 461 | goto err; |
09629a90 | 462 | } |
df64119d | 463 | |
2dc1bbeb | 464 | if (td->o.use_thread) |
9cedf167 JA |
465 | nr_thread++; |
466 | else | |
467 | nr_process++; | |
468 | ||
2dc1bbeb | 469 | if (td->o.odirect) |
690adba3 JA |
470 | td->io_ops->flags |= FIO_RAWIO; |
471 | ||
e132cbae | 472 | file_alloced = 0; |
691c8fb0 | 473 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 474 | file_alloced = 1; |
80be24f4 | 475 | |
2dc1bbeb | 476 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 477 | add_file(td, jobname); |
7b05a215 | 478 | else { |
2dc1bbeb | 479 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
480 | sprintf(fname, "%s.%d.%d", jobname, |
481 | td->thread_number, i); | |
7b05a215 JA |
482 | add_file(td, fname); |
483 | } | |
af52b345 | 484 | } |
0af7b542 | 485 | } |
ebac4655 | 486 | |
4e991c23 JA |
487 | if (fixup_options(td)) |
488 | goto err; | |
e0a22335 | 489 | |
07eb79df JA |
490 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
491 | struct fio_file *f; | |
492 | ||
493 | for_each_file(td, f, i) | |
494 | f->real_file_size = -1ULL; | |
495 | } | |
496 | ||
cdd18ad8 | 497 | td->mutex = fio_mutex_init(0); |
ebac4655 | 498 | |
756867bd JA |
499 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
500 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
501 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 502 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 503 | |
b3d62a75 JA |
504 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
505 | && prev_group_jobs) { | |
3c5df6fa | 506 | prev_group_jobs = 0; |
ebac4655 | 507 | groupid++; |
3c5df6fa | 508 | } |
ebac4655 JA |
509 | |
510 | td->groupid = groupid; | |
3c5df6fa | 511 | prev_group_jobs++; |
ebac4655 | 512 | |
9c60ce64 JA |
513 | if (init_random_state(td)) |
514 | goto err; | |
515 | ||
ebac4655 JA |
516 | if (setup_rate(td)) |
517 | goto err; | |
518 | ||
2dc1bbeb | 519 | if (td->o.write_lat_log) { |
756867bd JA |
520 | setup_log(&td->ts.slat_log); |
521 | setup_log(&td->ts.clat_log); | |
ebac4655 | 522 | } |
2dc1bbeb | 523 | if (td->o.write_bw_log) |
756867bd | 524 | setup_log(&td->ts.bw_log); |
ebac4655 | 525 | |
2dc1bbeb JA |
526 | if (!td->o.name) |
527 | td->o.name = strdup(jobname); | |
01452055 | 528 | |
c6ae0a5b | 529 | if (!terse_output) { |
b990b5c0 | 530 | if (!job_add_num) { |
5ec10eaa JA |
531 | if (!strcmp(td->io_ops->name, "cpuio")) { |
532 | log_info("%s: ioengine=cpu, cpuload=%u," | |
533 | " cpucycle=%u\n", td->o.name, | |
534 | td->o.cpuload, | |
535 | td->o.cpucycle); | |
536 | } else { | |
f8977ee6 JA |
537 | char *c1, *c2, *c3, *c4; |
538 | ||
2dc1bbeb JA |
539 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
540 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
541 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
542 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 543 | |
5ec10eaa JA |
544 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
545 | " ioengine=%s, iodepth=%u\n", | |
546 | td->o.name, td->groupid, | |
547 | ddir_str[td->o.td_ddir], | |
548 | c1, c2, c3, c4, | |
549 | td->io_ops->name, | |
550 | td->o.iodepth); | |
f8977ee6 JA |
551 | |
552 | free(c1); | |
553 | free(c2); | |
554 | free(c3); | |
555 | free(c4); | |
556 | } | |
b990b5c0 | 557 | } else if (job_add_num == 1) |
6d86144d | 558 | log_info("...\n"); |
c6ae0a5b | 559 | } |
ebac4655 JA |
560 | |
561 | /* | |
562 | * recurse add identical jobs, clear numjobs and stonewall options | |
563 | * as they don't apply to sub-jobs | |
564 | */ | |
2dc1bbeb | 565 | numjobs = td->o.numjobs; |
ebac4655 JA |
566 | while (--numjobs) { |
567 | struct thread_data *td_new = get_new_job(0, td); | |
568 | ||
569 | if (!td_new) | |
570 | goto err; | |
571 | ||
2dc1bbeb JA |
572 | td_new->o.numjobs = 1; |
573 | td_new->o.stonewall = 0; | |
92c1d41f | 574 | td_new->o.new_group = 0; |
e132cbae JA |
575 | |
576 | if (file_alloced) { | |
2dc1bbeb | 577 | td_new->o.filename = NULL; |
e132cbae JA |
578 | td_new->files_index = 0; |
579 | td_new->files = NULL; | |
580 | } | |
581 | ||
75154845 | 582 | job_add_num = numjobs - 1; |
ebac4655 | 583 | |
75154845 | 584 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
585 | goto err; |
586 | } | |
3c5df6fa | 587 | |
ebac4655 JA |
588 | return 0; |
589 | err: | |
590 | put_job(td); | |
591 | return -1; | |
592 | } | |
593 | ||
01f06b63 JA |
594 | static int skip_this_section(const char *name) |
595 | { | |
596 | if (!job_section) | |
597 | return 0; | |
598 | if (!strncmp(name, "global", 6)) | |
599 | return 0; | |
600 | ||
601 | return strncmp(job_section, name, strlen(job_section)); | |
602 | } | |
603 | ||
ebac4655 JA |
604 | static int is_empty_or_comment(char *line) |
605 | { | |
606 | unsigned int i; | |
607 | ||
608 | for (i = 0; i < strlen(line); i++) { | |
609 | if (line[i] == ';') | |
610 | return 1; | |
5cc2da30 IM |
611 | if (line[i] == '#') |
612 | return 1; | |
ebac4655 JA |
613 | if (!isspace(line[i]) && !iscntrl(line[i])) |
614 | return 0; | |
615 | } | |
616 | ||
617 | return 1; | |
618 | } | |
619 | ||
07261983 JA |
620 | /* |
621 | * This is our [ini] type file parser. | |
622 | */ | |
1e97cce9 | 623 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 624 | { |
e1f36503 | 625 | unsigned int global; |
ebac4655 | 626 | struct thread_data *td; |
fee3bb48 | 627 | char *string, *name; |
ebac4655 JA |
628 | FILE *f; |
629 | char *p; | |
0c7e37a0 | 630 | int ret = 0, stonewall; |
097b2991 | 631 | int first_sect = 1; |
ccf8f127 | 632 | int skip_fgets = 0; |
01f06b63 | 633 | int inside_skip = 0; |
3b8b7135 JA |
634 | char **opts; |
635 | int i, alloc_opts, num_opts; | |
ebac4655 | 636 | |
5a729cbe AC |
637 | if (!strcmp(file, "-")) |
638 | f = stdin; | |
639 | else | |
640 | f = fopen(file, "r"); | |
641 | ||
ebac4655 | 642 | if (!f) { |
aea47d44 | 643 | perror("fopen job file"); |
ebac4655 JA |
644 | return 1; |
645 | } | |
646 | ||
647 | string = malloc(4096); | |
7f7e6e59 JA |
648 | |
649 | /* | |
650 | * it's really 256 + small bit, 280 should suffice | |
651 | */ | |
652 | name = malloc(280); | |
653 | memset(name, 0, 280); | |
ebac4655 | 654 | |
3b8b7135 JA |
655 | alloc_opts = 8; |
656 | opts = malloc(sizeof(char *) * alloc_opts); | |
b7c6302d | 657 | num_opts = 0; |
3b8b7135 | 658 | |
0c7e37a0 | 659 | stonewall = stonewall_flag; |
7c124ac1 | 660 | do { |
ccf8f127 JA |
661 | /* |
662 | * if skip_fgets is set, we already have loaded a line we | |
663 | * haven't handled. | |
664 | */ | |
665 | if (!skip_fgets) { | |
666 | p = fgets(string, 4095, f); | |
667 | if (!p) | |
668 | break; | |
669 | } | |
cdc7f193 | 670 | |
ccf8f127 | 671 | skip_fgets = 0; |
cdc7f193 | 672 | strip_blank_front(&p); |
6c7c7da1 | 673 | strip_blank_end(p); |
cdc7f193 | 674 | |
ebac4655 JA |
675 | if (is_empty_or_comment(p)) |
676 | continue; | |
6c7c7da1 | 677 | if (sscanf(p, "[%255s]", name) != 1) { |
01f06b63 JA |
678 | if (inside_skip) |
679 | continue; | |
5ec10eaa JA |
680 | log_err("fio: option <%s> outside of [] job section\n", |
681 | p); | |
088b4207 | 682 | break; |
6c7c7da1 | 683 | } |
ebac4655 | 684 | |
01f06b63 JA |
685 | if (skip_this_section(name)) { |
686 | inside_skip = 1; | |
687 | continue; | |
688 | } else | |
689 | inside_skip = 0; | |
690 | ||
ebac4655 JA |
691 | global = !strncmp(name, "global", 6); |
692 | ||
693 | name[strlen(name) - 1] = '\0'; | |
694 | ||
cca73aa7 | 695 | if (dump_cmdline) { |
097b2991 JA |
696 | if (first_sect) |
697 | log_info("fio "); | |
cca73aa7 JA |
698 | if (!global) |
699 | log_info("--name=%s ", name); | |
097b2991 | 700 | first_sect = 0; |
cca73aa7 JA |
701 | } |
702 | ||
ebac4655 | 703 | td = get_new_job(global, &def_thread); |
45410acb JA |
704 | if (!td) { |
705 | ret = 1; | |
706 | break; | |
707 | } | |
ebac4655 | 708 | |
972cfd25 JA |
709 | /* |
710 | * Seperate multiple job files by a stonewall | |
711 | */ | |
f9481919 | 712 | if (!global && stonewall) { |
2dc1bbeb | 713 | td->o.stonewall = stonewall; |
972cfd25 JA |
714 | stonewall = 0; |
715 | } | |
716 | ||
3b8b7135 JA |
717 | num_opts = 0; |
718 | memset(opts, 0, alloc_opts * sizeof(char *)); | |
719 | ||
ebac4655 JA |
720 | while ((p = fgets(string, 4096, f)) != NULL) { |
721 | if (is_empty_or_comment(p)) | |
722 | continue; | |
e1f36503 | 723 | |
b6754f9d | 724 | strip_blank_front(&p); |
7c124ac1 | 725 | |
ccf8f127 JA |
726 | /* |
727 | * new section, break out and make sure we don't | |
728 | * fgets() a new line at the top. | |
729 | */ | |
730 | if (p[0] == '[') { | |
731 | skip_fgets = 1; | |
7c124ac1 | 732 | break; |
ccf8f127 | 733 | } |
7c124ac1 | 734 | |
4ae3f763 | 735 | strip_blank_end(p); |
aea47d44 | 736 | |
3b8b7135 JA |
737 | if (num_opts == alloc_opts) { |
738 | alloc_opts <<= 1; | |
739 | opts = realloc(opts, | |
740 | alloc_opts * sizeof(char *)); | |
741 | } | |
742 | ||
743 | opts[num_opts] = strdup(p); | |
744 | num_opts++; | |
ebac4655 | 745 | } |
ebac4655 | 746 | |
3b8b7135 JA |
747 | ret = fio_options_parse(td, opts, num_opts); |
748 | if (!ret) { | |
749 | if (dump_cmdline) | |
750 | for (i = 0; i < num_opts; i++) | |
751 | log_info("--%s ", opts[i]); | |
752 | ||
45410acb | 753 | ret = add_job(td, name, 0); |
3b8b7135 | 754 | } else { |
b1508cf9 JA |
755 | log_err("fio: job %s dropped\n", name); |
756 | put_job(td); | |
45410acb | 757 | } |
3b8b7135 JA |
758 | |
759 | for (i = 0; i < num_opts; i++) | |
760 | free(opts[i]); | |
761 | num_opts = 0; | |
7c124ac1 | 762 | } while (!ret); |
ebac4655 | 763 | |
cca73aa7 JA |
764 | if (dump_cmdline) |
765 | log_info("\n"); | |
766 | ||
3b8b7135 JA |
767 | for (i = 0; i < num_opts; i++) |
768 | free(opts[i]); | |
769 | ||
ebac4655 JA |
770 | free(string); |
771 | free(name); | |
2577594d | 772 | free(opts); |
5a729cbe AC |
773 | if (f != stdin) |
774 | fclose(f); | |
45410acb | 775 | return ret; |
ebac4655 JA |
776 | } |
777 | ||
778 | static int fill_def_thread(void) | |
779 | { | |
780 | memset(&def_thread, 0, sizeof(def_thread)); | |
781 | ||
375b2695 | 782 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
783 | |
784 | /* | |
ee738499 | 785 | * fill default options |
ebac4655 | 786 | */ |
214e1eca | 787 | fio_fill_default_options(&def_thread); |
ee738499 | 788 | |
2dc1bbeb JA |
789 | def_thread.o.timeout = def_timeout; |
790 | def_thread.o.write_bw_log = write_bw_log; | |
791 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 792 | |
ebac4655 JA |
793 | return 0; |
794 | } | |
795 | ||
214e1eca JA |
796 | static void free_shm(void) |
797 | { | |
798 | struct shmid_ds sbuf; | |
799 | ||
800 | if (threads) { | |
5e1d306e JA |
801 | void *tp = threads; |
802 | ||
214e1eca | 803 | threads = NULL; |
5e1d306e JA |
804 | file_hash_exit(); |
805 | fio_debug_jobp = NULL; | |
806 | shmdt(tp); | |
214e1eca JA |
807 | shmctl(shm_id, IPC_RMID, &sbuf); |
808 | } | |
2e5cdb11 JA |
809 | |
810 | scleanup(); | |
214e1eca JA |
811 | } |
812 | ||
813 | /* | |
814 | * The thread area is shared between the main process and the job | |
815 | * threads/processes. So setup a shared memory segment that will hold | |
380065aa JA |
816 | * all the job info. We use the end of the region for keeping track of |
817 | * open files across jobs, for file sharing. | |
214e1eca JA |
818 | */ |
819 | static int setup_thread_area(void) | |
820 | { | |
380065aa JA |
821 | void *hash; |
822 | ||
214e1eca JA |
823 | /* |
824 | * 1024 is too much on some machines, scale max_jobs if | |
825 | * we get a failure that looks like too large a shm segment | |
826 | */ | |
827 | do { | |
828 | size_t size = max_jobs * sizeof(struct thread_data); | |
829 | ||
380065aa | 830 | size += file_hash_size; |
5e1d306e | 831 | size += sizeof(unsigned int); |
380065aa | 832 | |
214e1eca JA |
833 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
834 | if (shm_id != -1) | |
835 | break; | |
836 | if (errno != EINVAL) { | |
837 | perror("shmget"); | |
838 | break; | |
839 | } | |
840 | ||
841 | max_jobs >>= 1; | |
842 | } while (max_jobs); | |
843 | ||
844 | if (shm_id == -1) | |
845 | return 1; | |
846 | ||
847 | threads = shmat(shm_id, NULL, 0); | |
848 | if (threads == (void *) -1) { | |
849 | perror("shmat"); | |
850 | return 1; | |
851 | } | |
852 | ||
1f809d15 | 853 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
380065aa | 854 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); |
5e1d306e JA |
855 | fio_debug_jobp = (void *) hash + file_hash_size; |
856 | *fio_debug_jobp = -1; | |
380065aa | 857 | file_hash_init(hash); |
214e1eca JA |
858 | atexit(free_shm); |
859 | return 0; | |
860 | } | |
861 | ||
45378b35 | 862 | static void usage(const char *name) |
4785f995 JA |
863 | { |
864 | printf("%s\n", fio_version_string); | |
45378b35 | 865 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 866 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
867 | printf("\t--output\tWrite output to file\n"); |
868 | printf("\t--timeout\tRuntime in seconds\n"); | |
869 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
870 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
871 | printf("\t--minimal\tMinimal (terse) output\n"); | |
872 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 | 873 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
874 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
875 | " them\n"); | |
cca73aa7 | 876 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
877 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
878 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
879 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
880 | " writes\n"); | |
01f06b63 | 881 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
882 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
883 | " (def 1024)\n"); | |
4785f995 JA |
884 | } |
885 | ||
79e48f72 | 886 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 887 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
888 | { .name = "process", .shift = FD_PROCESS, }, |
889 | { .name = "file", .shift = FD_FILE, }, | |
890 | { .name = "io", .shift = FD_IO, }, | |
891 | { .name = "mem", .shift = FD_MEM, }, | |
892 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
893 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 894 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 895 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 896 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
5e1d306e | 897 | { .name = "job", .shift = FD_JOB }, |
29adda3c | 898 | { .name = "mutex", .shift = FD_MUTEX }, |
02444ad1 | 899 | { .name = NULL, }, |
ee56ad50 JA |
900 | }; |
901 | ||
c09823ab | 902 | static int set_debug(const char *string) |
ee56ad50 JA |
903 | { |
904 | struct debug_level *dl; | |
905 | char *p = (char *) string; | |
906 | char *opt; | |
907 | int i; | |
908 | ||
909 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
910 | int i; | |
911 | ||
912 | log_info("fio: dumping debug options:"); | |
913 | for (i = 0; debug_levels[i].name; i++) { | |
914 | dl = &debug_levels[i]; | |
915 | log_info("%s,", dl->name); | |
916 | } | |
bd6f78b2 | 917 | log_info("all\n"); |
c09823ab | 918 | return 1; |
ee56ad50 JA |
919 | } |
920 | ||
921 | while ((opt = strsep(&p, ",")) != NULL) { | |
922 | int found = 0; | |
923 | ||
5e1d306e JA |
924 | if (!strncmp(opt, "all", 3)) { |
925 | log_info("fio: set all debug options\n"); | |
926 | fio_debug = ~0UL; | |
927 | continue; | |
928 | } | |
929 | ||
ee56ad50 JA |
930 | for (i = 0; debug_levels[i].name; i++) { |
931 | dl = &debug_levels[i]; | |
5e1d306e JA |
932 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
933 | if (!found) | |
934 | continue; | |
935 | ||
936 | if (dl->shift == FD_JOB) { | |
937 | opt = strchr(opt, ':'); | |
938 | if (!opt) { | |
939 | log_err("fio: missing job number\n"); | |
940 | break; | |
941 | } | |
942 | opt++; | |
943 | fio_debug_jobno = atoi(opt); | |
944 | log_info("fio: set debug jobno %d\n", | |
945 | fio_debug_jobno); | |
946 | } else { | |
ee56ad50 | 947 | log_info("fio: set debug option %s\n", opt); |
bd6f78b2 | 948 | fio_debug |= (1UL << dl->shift); |
ee56ad50 | 949 | } |
5e1d306e | 950 | break; |
ee56ad50 JA |
951 | } |
952 | ||
953 | if (!found) | |
954 | log_err("fio: debug mask %s not found\n", opt); | |
955 | } | |
c09823ab | 956 | return 0; |
ee56ad50 | 957 | } |
79e48f72 | 958 | #else |
69b98d4c | 959 | static int set_debug(const char *string) |
79e48f72 JA |
960 | { |
961 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 962 | return 1; |
79e48f72 JA |
963 | } |
964 | #endif | |
ee56ad50 | 965 | |
972cfd25 | 966 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 967 | { |
b4692828 | 968 | struct thread_data *td = NULL; |
c09823ab | 969 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
ebac4655 | 970 | |
5ec10eaa | 971 | while ((c = getopt_long_only(argc, argv, "", l_opts, &lidx)) != -1) { |
ebac4655 | 972 | switch (c) { |
2b386d25 JA |
973 | case 'a': |
974 | smalloc_pool_size = atoi(optarg); | |
975 | break; | |
b4692828 JA |
976 | case 't': |
977 | def_timeout = atoi(optarg); | |
978 | break; | |
979 | case 'l': | |
980 | write_lat_log = 1; | |
981 | break; | |
982 | case 'w': | |
983 | write_bw_log = 1; | |
984 | break; | |
985 | case 'o': | |
986 | f_out = fopen(optarg, "w+"); | |
987 | if (!f_out) { | |
988 | perror("fopen output"); | |
989 | exit(1); | |
990 | } | |
991 | f_err = f_out; | |
992 | break; | |
993 | case 'm': | |
994 | terse_output = 1; | |
995 | break; | |
996 | case 'h': | |
45378b35 | 997 | usage(argv[0]); |
b4692828 | 998 | exit(0); |
fd28ca49 | 999 | case 'c': |
214e1eca | 1000 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
1001 | case 's': |
1002 | dump_cmdline = 1; | |
1003 | break; | |
724e4435 JA |
1004 | case 'r': |
1005 | read_only = 1; | |
1006 | break; | |
b4692828 JA |
1007 | case 'v': |
1008 | printf("%s\n", fio_version_string); | |
1009 | exit(0); | |
e592a06b AC |
1010 | case 'e': |
1011 | if (!strcmp("always", optarg)) | |
1012 | eta_print = FIO_ETA_ALWAYS; | |
1013 | else if (!strcmp("never", optarg)) | |
1014 | eta_print = FIO_ETA_NEVER; | |
1015 | break; | |
ee56ad50 | 1016 | case 'd': |
c09823ab JA |
1017 | if (set_debug(optarg)) |
1018 | do_exit++; | |
ee56ad50 | 1019 | break; |
01f06b63 JA |
1020 | case 'x': |
1021 | if (!strcmp(optarg, "global")) { | |
5ec10eaa JA |
1022 | log_err("fio: can't use global as only " |
1023 | "section\n"); | |
c09823ab JA |
1024 | do_exit++; |
1025 | exit_val = 1; | |
01f06b63 JA |
1026 | break; |
1027 | } | |
1028 | if (job_section) | |
1029 | free(job_section); | |
1030 | job_section = strdup(optarg); | |
1031 | break; | |
b4692828 | 1032 | case FIO_GETOPT_JOB: { |
5ec10eaa | 1033 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
1034 | char *val = optarg; |
1035 | ||
c2b1e753 | 1036 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 1037 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
1038 | if (ret) { |
1039 | put_job(td); | |
1040 | return 0; | |
1041 | } | |
1042 | td = NULL; | |
1043 | } | |
b4692828 | 1044 | if (!td) { |
01f06b63 | 1045 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
1046 | int global = 0; |
1047 | ||
01f06b63 | 1048 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 1049 | global = 1; |
c2b1e753 | 1050 | |
01f06b63 JA |
1051 | if (is_section && skip_this_section(val)) |
1052 | continue; | |
1053 | ||
c2b1e753 | 1054 | td = get_new_job(global, &def_thread); |
b4692828 JA |
1055 | if (!td) |
1056 | return 0; | |
1057 | } | |
38d0adb0 | 1058 | |
214e1eca | 1059 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
1060 | break; |
1061 | } | |
1062 | default: | |
c09823ab JA |
1063 | do_exit++; |
1064 | exit_val = 1; | |
b4692828 | 1065 | break; |
ebac4655 JA |
1066 | } |
1067 | } | |
c9fad893 | 1068 | |
c09823ab JA |
1069 | if (do_exit) |
1070 | exit(exit_val); | |
536582bf | 1071 | |
b4692828 | 1072 | if (td) { |
7d6a8904 | 1073 | if (!ret) |
2dc1bbeb | 1074 | ret = add_job(td, td->o.name ?: "fio", 0); |
7d6a8904 JA |
1075 | if (ret) |
1076 | put_job(td); | |
972cfd25 | 1077 | } |
774a6177 | 1078 | |
b4692828 JA |
1079 | while (optind < argc) { |
1080 | ini_idx++; | |
1081 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1082 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1083 | optind++; | |
eb8bbf48 | 1084 | } |
972cfd25 JA |
1085 | |
1086 | return ini_idx; | |
ebac4655 JA |
1087 | } |
1088 | ||
ebac4655 JA |
1089 | int parse_options(int argc, char *argv[]) |
1090 | { | |
972cfd25 JA |
1091 | int job_files, i; |
1092 | ||
b4692828 JA |
1093 | f_out = stdout; |
1094 | f_err = stderr; | |
1095 | ||
5ec10eaa | 1096 | fio_options_dup_and_init(l_opts); |
b4692828 | 1097 | |
ebac4655 JA |
1098 | if (setup_thread_area()) |
1099 | return 1; | |
1100 | if (fill_def_thread()) | |
1101 | return 1; | |
1102 | ||
972cfd25 | 1103 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1104 | |
972cfd25 JA |
1105 | for (i = 0; i < job_files; i++) { |
1106 | if (fill_def_thread()) | |
1107 | return 1; | |
0c7e37a0 | 1108 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1109 | return 1; |
88c6ed80 | 1110 | free(ini_file[i]); |
972cfd25 | 1111 | } |
ebac4655 | 1112 | |
88c6ed80 | 1113 | free(ini_file); |
d23bb327 | 1114 | options_mem_free(&def_thread); |
b4692828 JA |
1115 | |
1116 | if (!thread_number) { | |
cca73aa7 JA |
1117 | if (dump_cmdline) |
1118 | return 0; | |
1119 | ||
b4692828 | 1120 | log_err("No jobs defined(s)\n"); |
45378b35 | 1121 | usage(argv[0]); |
b4692828 JA |
1122 | return 1; |
1123 | } | |
1124 | ||
be4ecfdf JA |
1125 | if (def_thread.o.gtod_offload) { |
1126 | fio_gtod_init(); | |
1127 | fio_gtod_offload = 1; | |
1128 | fio_gtod_cpu = def_thread.o.gtod_cpu; | |
1129 | } | |
1130 | ||
ebac4655 JA |
1131 | return 0; |
1132 | } |