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" |
ebac4655 | 19 | |
214e1eca JA |
20 | static char fio_version_string[] = "fio 1.14a"; |
21 | ||
ee738499 | 22 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 23 | |
214e1eca JA |
24 | static char **ini_file; |
25 | static int max_jobs = MAX_JOBS; | |
e1f36503 | 26 | |
214e1eca JA |
27 | struct thread_data def_thread; |
28 | struct thread_data *threads = NULL; | |
e1f36503 | 29 | |
214e1eca JA |
30 | int exitall_on_terminate = 0; |
31 | int terse_output = 0; | |
32 | unsigned long long mlock_size = 0; | |
33 | FILE *f_out = NULL; | |
34 | FILE *f_err = NULL; | |
ee738499 | 35 | |
214e1eca JA |
36 | int write_bw_log = 0; |
37 | ||
38 | static int def_timeout = 0; | |
39 | static int write_lat_log = 0; | |
e1f36503 | 40 | |
214e1eca | 41 | static int prev_group_jobs; |
b4692828 JA |
42 | |
43 | /* | |
44 | * Command line options. These will contain the above, plus a few | |
45 | * extra that only pertain to fio itself and not jobs. | |
46 | */ | |
214e1eca | 47 | static struct option long_options[FIO_NR_OPTIONS] = { |
b4692828 JA |
48 | { |
49 | .name = "output", | |
50 | .has_arg = required_argument, | |
51 | .val = 'o', | |
52 | }, | |
53 | { | |
54 | .name = "timeout", | |
55 | .has_arg = required_argument, | |
56 | .val = 't', | |
57 | }, | |
58 | { | |
59 | .name = "latency-log", | |
60 | .has_arg = required_argument, | |
61 | .val = 'l', | |
62 | }, | |
63 | { | |
64 | .name = "bandwidth-log", | |
65 | .has_arg = required_argument, | |
66 | .val = 'b', | |
67 | }, | |
68 | { | |
69 | .name = "minimal", | |
70 | .has_arg = optional_argument, | |
71 | .val = 'm', | |
72 | }, | |
73 | { | |
74 | .name = "version", | |
75 | .has_arg = no_argument, | |
76 | .val = 'v', | |
77 | }, | |
fd28ca49 JA |
78 | { |
79 | .name = "help", | |
80 | .has_arg = no_argument, | |
81 | .val = 'h', | |
82 | }, | |
83 | { | |
84 | .name = "cmdhelp", | |
320beefe | 85 | .has_arg = optional_argument, |
fd28ca49 JA |
86 | .val = 'c', |
87 | }, | |
b4692828 JA |
88 | { |
89 | .name = NULL, | |
90 | }, | |
91 | }; | |
92 | ||
9728ce37 JB |
93 | FILE *get_f_out() |
94 | { | |
95 | return f_out; | |
96 | } | |
97 | ||
98 | FILE *get_f_err() | |
99 | { | |
100 | return f_err; | |
101 | } | |
102 | ||
906c8d75 JA |
103 | /* |
104 | * Return a free job structure. | |
105 | */ | |
ebac4655 JA |
106 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
107 | { | |
108 | struct thread_data *td; | |
109 | ||
110 | if (global) | |
111 | return &def_thread; | |
112 | if (thread_number >= max_jobs) | |
113 | return NULL; | |
114 | ||
115 | td = &threads[thread_number++]; | |
ddaeaa5a | 116 | *td = *parent; |
ebac4655 | 117 | |
cade3ef4 JA |
118 | dup_files(td, parent); |
119 | ||
ebac4655 | 120 | td->thread_number = thread_number; |
ebac4655 JA |
121 | return td; |
122 | } | |
123 | ||
124 | static void put_job(struct thread_data *td) | |
125 | { | |
549577a7 JA |
126 | if (td == &def_thread) |
127 | return; | |
128 | ||
16edf25d | 129 | if (td->error) |
6d86144d | 130 | log_info("fio: %s\n", td->verror); |
16edf25d | 131 | |
ebac4655 JA |
132 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
133 | thread_number--; | |
134 | } | |
135 | ||
127f6865 JA |
136 | static int setup_rate(struct thread_data *td) |
137 | { | |
138 | unsigned long nr_reads_per_msec; | |
139 | unsigned long long rate; | |
140 | unsigned int bs; | |
141 | ||
2dc1bbeb | 142 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
143 | return 0; |
144 | ||
145 | if (td_rw(td)) | |
2dc1bbeb | 146 | bs = td->o.rw_min_bs; |
127f6865 | 147 | else if (td_read(td)) |
2dc1bbeb | 148 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 149 | else |
2dc1bbeb | 150 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 151 | |
2dc1bbeb JA |
152 | if (td->o.rate) { |
153 | rate = td->o.rate; | |
127f6865 JA |
154 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
155 | } else | |
2dc1bbeb | 156 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
157 | |
158 | if (!nr_reads_per_msec) { | |
159 | log_err("rate lower than supported\n"); | |
160 | return -1; | |
161 | } | |
162 | ||
163 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
164 | td->rate_pending_usleep = 0; | |
165 | return 0; | |
166 | } | |
167 | ||
dad915e3 JA |
168 | /* |
169 | * Lazy way of fixing up options that depend on each other. We could also | |
170 | * define option callback handlers, but this is easier. | |
171 | */ | |
4e991c23 | 172 | static int fixup_options(struct thread_data *td) |
e1f36503 | 173 | { |
2dc1bbeb | 174 | struct thread_options *o = &td->o; |
dad915e3 | 175 | |
e47f799f JA |
176 | if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) |
177 | o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; | |
2dc1bbeb JA |
178 | |
179 | if (o->write_iolog_file && o->read_iolog_file) { | |
076efc7c | 180 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
181 | free(o->write_iolog_file); |
182 | o->write_iolog_file = NULL; | |
076efc7c | 183 | } |
16b462ae JA |
184 | |
185 | if (td->io_ops->flags & FIO_SYNCIO) | |
2dc1bbeb | 186 | o->iodepth = 1; |
16b462ae | 187 | else { |
2dc1bbeb JA |
188 | if (!o->iodepth) |
189 | o->iodepth = o->open_files; | |
16b462ae JA |
190 | } |
191 | ||
192 | /* | |
193 | * only really works for sequential io for now, and with 1 file | |
194 | */ | |
2dc1bbeb JA |
195 | if (o->zone_size && td_random(td) && o->open_files == 1) |
196 | o->zone_size = 0; | |
16b462ae JA |
197 | |
198 | /* | |
199 | * Reads can do overwrites, we always need to pre-create the file | |
200 | */ | |
201 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 202 | o->overwrite = 1; |
16b462ae | 203 | |
2dc1bbeb JA |
204 | if (!o->min_bs[DDIR_READ]) |
205 | o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; | |
206 | if (!o->max_bs[DDIR_READ]) | |
207 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
208 | if (!o->min_bs[DDIR_WRITE]) | |
209 | o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; | |
210 | if (!o->max_bs[DDIR_WRITE]) | |
211 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 212 | |
2dc1bbeb | 213 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 214 | |
2dc1bbeb JA |
215 | if (!o->file_size_high) |
216 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 217 | |
16b462ae | 218 | if (td_read(td) && !td_rw(td)) |
2dc1bbeb | 219 | o->verify = 0; |
bb8895e0 | 220 | |
2dc1bbeb | 221 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 222 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 223 | o->verify = VERIFY_NONE; |
bb8895e0 | 224 | } |
2dc1bbeb | 225 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 226 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 227 | |
48097d5c JA |
228 | /* |
229 | * thinktime_spin must be less than thinktime | |
230 | */ | |
2dc1bbeb JA |
231 | if (o->thinktime_spin > o->thinktime) |
232 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
233 | |
234 | /* | |
235 | * The low water mark cannot be bigger than the iodepth | |
236 | */ | |
2dc1bbeb | 237 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
238 | /* |
239 | * syslet work around - if the workload is sequential, | |
240 | * we want to let the queue drain all the way down to | |
241 | * avoid seeking between async threads | |
242 | */ | |
243 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 244 | o->iodepth_low = 1; |
9467b77c | 245 | else |
2dc1bbeb | 246 | o->iodepth_low = o->iodepth; |
9467b77c | 247 | } |
cb5ab512 JA |
248 | |
249 | /* | |
250 | * If batch number isn't set, default to the same as iodepth | |
251 | */ | |
2dc1bbeb JA |
252 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
253 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 254 | |
2dc1bbeb JA |
255 | if (o->nr_files > td->files_index) |
256 | o->nr_files = td->files_index; | |
9f9214f2 | 257 | |
2dc1bbeb JA |
258 | if (o->open_files > o->nr_files || !o->open_files) |
259 | o->open_files = o->nr_files; | |
4e991c23 | 260 | |
2dc1bbeb | 261 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
262 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
263 | return 1; | |
264 | } | |
2dc1bbeb | 265 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
266 | log_err("fio: minimum rate exceeds rate\n"); |
267 | return 1; | |
268 | } | |
269 | ||
270 | return 0; | |
e1f36503 JA |
271 | } |
272 | ||
f8977ee6 JA |
273 | /* |
274 | * This function leaks the buffer | |
275 | */ | |
276 | static char *to_kmg(unsigned int val) | |
277 | { | |
278 | char *buf = malloc(32); | |
f3502ba2 | 279 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
280 | char *p = post; |
281 | ||
245142ff | 282 | do { |
f8977ee6 JA |
283 | if (val & 1023) |
284 | break; | |
285 | ||
286 | val >>= 10; | |
287 | p++; | |
245142ff | 288 | } while (*p); |
f8977ee6 JA |
289 | |
290 | snprintf(buf, 31, "%u%c", val, *p); | |
291 | return buf; | |
292 | } | |
293 | ||
09629a90 JA |
294 | /* External engines are specified by "external:name.o") */ |
295 | static const char *get_engine_name(const char *str) | |
296 | { | |
297 | char *p = strstr(str, ":"); | |
298 | ||
299 | if (!p) | |
300 | return str; | |
301 | ||
302 | p++; | |
303 | strip_blank_front(&p); | |
304 | strip_blank_end(p); | |
305 | return p; | |
306 | } | |
307 | ||
e132cbae JA |
308 | static int exists_and_not_file(const char *filename) |
309 | { | |
310 | struct stat sb; | |
311 | ||
312 | if (lstat(filename, &sb) == -1) | |
313 | return 0; | |
314 | ||
315 | if (S_ISREG(sb.st_mode)) | |
316 | return 0; | |
317 | ||
318 | return 1; | |
319 | } | |
320 | ||
9c60ce64 JA |
321 | /* |
322 | * Initialize the various random states we need (random io, block size ranges, | |
323 | * read/write mix, etc). | |
324 | */ | |
325 | static int init_random_state(struct thread_data *td) | |
326 | { | |
327 | unsigned long seeds[6]; | |
68727076 | 328 | int fd; |
9c60ce64 JA |
329 | |
330 | fd = open("/dev/urandom", O_RDONLY); | |
331 | if (fd == -1) { | |
332 | td_verror(td, errno, "open"); | |
333 | return 1; | |
334 | } | |
335 | ||
336 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
337 | td_verror(td, EIO, "read"); | |
338 | close(fd); | |
339 | return 1; | |
340 | } | |
341 | ||
342 | close(fd); | |
343 | ||
344 | os_random_seed(seeds[0], &td->bsrange_state); | |
345 | os_random_seed(seeds[1], &td->verify_state); | |
346 | os_random_seed(seeds[2], &td->rwmix_state); | |
347 | ||
2dc1bbeb | 348 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
349 | os_random_seed(seeds[3], &td->next_file_state); |
350 | ||
351 | os_random_seed(seeds[5], &td->file_size_state); | |
352 | ||
353 | if (!td_random(td)) | |
354 | return 0; | |
355 | ||
2dc1bbeb | 356 | if (td->o.rand_repeatable) |
9c60ce64 JA |
357 | seeds[4] = FIO_RANDSEED * td->thread_number; |
358 | ||
9c60ce64 JA |
359 | os_random_seed(seeds[4], &td->random_state); |
360 | return 0; | |
361 | } | |
362 | ||
906c8d75 JA |
363 | /* |
364 | * Adds a job to the list of things todo. Sanitizes the various options | |
365 | * to make sure we don't have conflicts, and initializes various | |
366 | * members of td. | |
367 | */ | |
75154845 | 368 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 369 | { |
413dd459 JA |
370 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
371 | "randread", "randwrite", "randrw" }; | |
af52b345 | 372 | unsigned int i; |
09629a90 | 373 | const char *engine; |
af52b345 | 374 | char fname[PATH_MAX]; |
e132cbae | 375 | int numjobs, file_alloced; |
ebac4655 | 376 | |
ebac4655 JA |
377 | /* |
378 | * the def_thread is just for options, it's not a real job | |
379 | */ | |
380 | if (td == &def_thread) | |
381 | return 0; | |
382 | ||
2dc1bbeb | 383 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
384 | td->io_ops = load_ioengine(td, engine); |
385 | if (!td->io_ops) { | |
386 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 387 | goto err; |
09629a90 | 388 | } |
df64119d | 389 | |
2dc1bbeb | 390 | if (td->o.use_thread) |
9cedf167 JA |
391 | nr_thread++; |
392 | else | |
393 | nr_process++; | |
394 | ||
2dc1bbeb | 395 | if (td->o.odirect) |
690adba3 JA |
396 | td->io_ops->flags |= FIO_RAWIO; |
397 | ||
e132cbae | 398 | file_alloced = 0; |
2dc1bbeb | 399 | if (!td->o.filename && !td->files_index) { |
e132cbae | 400 | file_alloced = 1; |
80be24f4 | 401 | |
2dc1bbeb | 402 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 403 | add_file(td, jobname); |
7b05a215 | 404 | else { |
2dc1bbeb | 405 | for (i = 0; i < td->o.nr_files; i++) { |
e132cbae | 406 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
407 | add_file(td, fname); |
408 | } | |
af52b345 | 409 | } |
0af7b542 | 410 | } |
ebac4655 | 411 | |
4e991c23 JA |
412 | if (fixup_options(td)) |
413 | goto err; | |
e0a22335 | 414 | |
07739b57 | 415 | td->mutex = fio_sem_init(0); |
ebac4655 | 416 | |
756867bd JA |
417 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
418 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
419 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 420 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 421 | |
b3d62a75 JA |
422 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
423 | && prev_group_jobs) { | |
3c5df6fa | 424 | prev_group_jobs = 0; |
ebac4655 | 425 | groupid++; |
3c5df6fa | 426 | } |
ebac4655 JA |
427 | |
428 | td->groupid = groupid; | |
3c5df6fa | 429 | prev_group_jobs++; |
ebac4655 | 430 | |
9c60ce64 JA |
431 | if (init_random_state(td)) |
432 | goto err; | |
433 | ||
ebac4655 JA |
434 | if (setup_rate(td)) |
435 | goto err; | |
436 | ||
2dc1bbeb | 437 | if (td->o.write_lat_log) { |
756867bd JA |
438 | setup_log(&td->ts.slat_log); |
439 | setup_log(&td->ts.clat_log); | |
ebac4655 | 440 | } |
2dc1bbeb | 441 | if (td->o.write_bw_log) |
756867bd | 442 | setup_log(&td->ts.bw_log); |
ebac4655 | 443 | |
2dc1bbeb JA |
444 | if (!td->o.name) |
445 | td->o.name = strdup(jobname); | |
01452055 | 446 | |
c6ae0a5b | 447 | if (!terse_output) { |
b990b5c0 | 448 | if (!job_add_num) { |
ba0fbe10 | 449 | if (!strcmp(td->io_ops->name, "cpuio")) |
2dc1bbeb | 450 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); |
f8977ee6 JA |
451 | else { |
452 | char *c1, *c2, *c3, *c4; | |
453 | ||
2dc1bbeb JA |
454 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
455 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
456 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
457 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 458 | |
2dc1bbeb | 459 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->o.name, td->groupid, ddir_str[td->o.td_ddir], c1, c2, c3, c4, td->io_ops->name, td->o.iodepth); |
f8977ee6 JA |
460 | |
461 | free(c1); | |
462 | free(c2); | |
463 | free(c3); | |
464 | free(c4); | |
465 | } | |
b990b5c0 | 466 | } else if (job_add_num == 1) |
6d86144d | 467 | log_info("...\n"); |
c6ae0a5b | 468 | } |
ebac4655 JA |
469 | |
470 | /* | |
471 | * recurse add identical jobs, clear numjobs and stonewall options | |
472 | * as they don't apply to sub-jobs | |
473 | */ | |
2dc1bbeb | 474 | numjobs = td->o.numjobs; |
ebac4655 JA |
475 | while (--numjobs) { |
476 | struct thread_data *td_new = get_new_job(0, td); | |
477 | ||
478 | if (!td_new) | |
479 | goto err; | |
480 | ||
2dc1bbeb JA |
481 | td_new->o.numjobs = 1; |
482 | td_new->o.stonewall = 0; | |
e132cbae JA |
483 | |
484 | if (file_alloced) { | |
2dc1bbeb | 485 | td_new->o.filename = NULL; |
e132cbae JA |
486 | td_new->files_index = 0; |
487 | td_new->files = NULL; | |
488 | } | |
489 | ||
75154845 | 490 | job_add_num = numjobs - 1; |
ebac4655 | 491 | |
75154845 | 492 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
493 | goto err; |
494 | } | |
3c5df6fa | 495 | |
ebac4655 JA |
496 | return 0; |
497 | err: | |
498 | put_job(td); | |
499 | return -1; | |
500 | } | |
501 | ||
ebac4655 JA |
502 | static int is_empty_or_comment(char *line) |
503 | { | |
504 | unsigned int i; | |
505 | ||
506 | for (i = 0; i < strlen(line); i++) { | |
507 | if (line[i] == ';') | |
508 | return 1; | |
5cc2da30 IM |
509 | if (line[i] == '#') |
510 | return 1; | |
ebac4655 JA |
511 | if (!isspace(line[i]) && !iscntrl(line[i])) |
512 | return 0; | |
513 | } | |
514 | ||
515 | return 1; | |
516 | } | |
517 | ||
07261983 JA |
518 | /* |
519 | * This is our [ini] type file parser. | |
520 | */ | |
1e97cce9 | 521 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 522 | { |
e1f36503 | 523 | unsigned int global; |
ebac4655 | 524 | struct thread_data *td; |
fee3bb48 | 525 | char *string, *name; |
ebac4655 JA |
526 | fpos_t off; |
527 | FILE *f; | |
528 | char *p; | |
0c7e37a0 | 529 | int ret = 0, stonewall; |
ebac4655 JA |
530 | |
531 | f = fopen(file, "r"); | |
532 | if (!f) { | |
aea47d44 | 533 | perror("fopen job file"); |
ebac4655 JA |
534 | return 1; |
535 | } | |
536 | ||
537 | string = malloc(4096); | |
538 | name = malloc(256); | |
fee3bb48 | 539 | memset(name, 0, 256); |
ebac4655 | 540 | |
0c7e37a0 | 541 | stonewall = stonewall_flag; |
7c124ac1 JA |
542 | do { |
543 | p = fgets(string, 4095, f); | |
544 | if (!p) | |
45410acb | 545 | break; |
ebac4655 JA |
546 | if (is_empty_or_comment(p)) |
547 | continue; | |
fee3bb48 | 548 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
549 | continue; |
550 | ||
551 | global = !strncmp(name, "global", 6); | |
552 | ||
553 | name[strlen(name) - 1] = '\0'; | |
554 | ||
555 | td = get_new_job(global, &def_thread); | |
45410acb JA |
556 | if (!td) { |
557 | ret = 1; | |
558 | break; | |
559 | } | |
ebac4655 | 560 | |
972cfd25 JA |
561 | /* |
562 | * Seperate multiple job files by a stonewall | |
563 | */ | |
f9481919 | 564 | if (!global && stonewall) { |
2dc1bbeb | 565 | td->o.stonewall = stonewall; |
972cfd25 JA |
566 | stonewall = 0; |
567 | } | |
568 | ||
ebac4655 JA |
569 | fgetpos(f, &off); |
570 | while ((p = fgets(string, 4096, f)) != NULL) { | |
571 | if (is_empty_or_comment(p)) | |
572 | continue; | |
e1f36503 | 573 | |
b6754f9d | 574 | strip_blank_front(&p); |
7c124ac1 JA |
575 | |
576 | if (p[0] == '[') | |
577 | break; | |
578 | ||
4ae3f763 | 579 | strip_blank_end(p); |
aea47d44 | 580 | |
e1f36503 | 581 | fgetpos(f, &off); |
ebac4655 | 582 | |
45410acb JA |
583 | /* |
584 | * Don't break here, continue parsing options so we | |
585 | * dump all the bad ones. Makes trial/error fixups | |
586 | * easier on the user. | |
587 | */ | |
214e1eca | 588 | ret |= fio_option_parse(td, p); |
ebac4655 | 589 | } |
ebac4655 | 590 | |
45410acb JA |
591 | if (!ret) { |
592 | fsetpos(f, &off); | |
593 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
594 | } else { |
595 | log_err("fio: job %s dropped\n", name); | |
596 | put_job(td); | |
45410acb | 597 | } |
7c124ac1 | 598 | } while (!ret); |
ebac4655 JA |
599 | |
600 | free(string); | |
601 | free(name); | |
602 | fclose(f); | |
45410acb | 603 | return ret; |
ebac4655 JA |
604 | } |
605 | ||
606 | static int fill_def_thread(void) | |
607 | { | |
608 | memset(&def_thread, 0, sizeof(def_thread)); | |
609 | ||
2dc1bbeb | 610 | if (fio_getaffinity(getpid(), &def_thread.o.cpumask) == -1) { |
ebac4655 JA |
611 | perror("sched_getaffinity"); |
612 | return 1; | |
613 | } | |
614 | ||
615 | /* | |
ee738499 | 616 | * fill default options |
ebac4655 | 617 | */ |
214e1eca | 618 | fio_fill_default_options(&def_thread); |
ee738499 | 619 | |
2dc1bbeb JA |
620 | def_thread.o.timeout = def_timeout; |
621 | def_thread.o.write_bw_log = write_bw_log; | |
622 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 623 | |
ebac4655 | 624 | #ifdef FIO_HAVE_DISK_UTIL |
2dc1bbeb | 625 | def_thread.o.do_disk_util = 1; |
ebac4655 JA |
626 | #endif |
627 | ||
628 | return 0; | |
629 | } | |
630 | ||
214e1eca JA |
631 | static void free_shm(void) |
632 | { | |
633 | struct shmid_ds sbuf; | |
634 | ||
635 | if (threads) { | |
636 | shmdt((void *) threads); | |
637 | threads = NULL; | |
638 | shmctl(shm_id, IPC_RMID, &sbuf); | |
639 | } | |
640 | } | |
641 | ||
642 | /* | |
643 | * The thread area is shared between the main process and the job | |
644 | * threads/processes. So setup a shared memory segment that will hold | |
645 | * all the job info. | |
646 | */ | |
647 | static int setup_thread_area(void) | |
648 | { | |
649 | /* | |
650 | * 1024 is too much on some machines, scale max_jobs if | |
651 | * we get a failure that looks like too large a shm segment | |
652 | */ | |
653 | do { | |
654 | size_t size = max_jobs * sizeof(struct thread_data); | |
655 | ||
656 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
657 | if (shm_id != -1) | |
658 | break; | |
659 | if (errno != EINVAL) { | |
660 | perror("shmget"); | |
661 | break; | |
662 | } | |
663 | ||
664 | max_jobs >>= 1; | |
665 | } while (max_jobs); | |
666 | ||
667 | if (shm_id == -1) | |
668 | return 1; | |
669 | ||
670 | threads = shmat(shm_id, NULL, 0); | |
671 | if (threads == (void *) -1) { | |
672 | perror("shmat"); | |
673 | return 1; | |
674 | } | |
675 | ||
676 | atexit(free_shm); | |
677 | return 0; | |
678 | } | |
679 | ||
0ab8db89 | 680 | static void usage(void) |
4785f995 JA |
681 | { |
682 | printf("%s\n", fio_version_string); | |
b4692828 JA |
683 | printf("\t--output\tWrite output to file\n"); |
684 | printf("\t--timeout\tRuntime in seconds\n"); | |
685 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
686 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
687 | printf("\t--minimal\tMinimal (terse) output\n"); | |
688 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
689 | printf("\t--help\t\tPrint this page\n"); |
690 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
691 | } |
692 | ||
972cfd25 | 693 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 694 | { |
b4692828 | 695 | struct thread_data *td = NULL; |
b1ec1da6 | 696 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 697 | |
0be06ea2 | 698 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 699 | switch (c) { |
b4692828 JA |
700 | case 't': |
701 | def_timeout = atoi(optarg); | |
702 | break; | |
703 | case 'l': | |
704 | write_lat_log = 1; | |
705 | break; | |
706 | case 'w': | |
707 | write_bw_log = 1; | |
708 | break; | |
709 | case 'o': | |
710 | f_out = fopen(optarg, "w+"); | |
711 | if (!f_out) { | |
712 | perror("fopen output"); | |
713 | exit(1); | |
714 | } | |
715 | f_err = f_out; | |
716 | break; | |
717 | case 'm': | |
718 | terse_output = 1; | |
719 | break; | |
720 | case 'h': | |
721 | usage(); | |
722 | exit(0); | |
fd28ca49 | 723 | case 'c': |
214e1eca | 724 | exit(fio_show_option_help(optarg)); |
b4692828 JA |
725 | case 'v': |
726 | printf("%s\n", fio_version_string); | |
727 | exit(0); | |
728 | case FIO_GETOPT_JOB: { | |
729 | const char *opt = long_options[lidx].name; | |
730 | char *val = optarg; | |
731 | ||
c2b1e753 | 732 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 733 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
734 | if (ret) { |
735 | put_job(td); | |
736 | return 0; | |
737 | } | |
738 | td = NULL; | |
739 | } | |
b4692828 | 740 | if (!td) { |
38d0adb0 | 741 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
742 | |
743 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
744 | if (!td) |
745 | return 0; | |
746 | } | |
38d0adb0 | 747 | |
214e1eca | 748 | ret = fio_cmd_option_parse(td, opt, val); |
78217dfa | 749 | if (ret) |
b1ec1da6 | 750 | dont_add_job = 1; |
b4692828 JA |
751 | break; |
752 | } | |
753 | default: | |
b4692828 | 754 | break; |
ebac4655 JA |
755 | } |
756 | } | |
c9fad893 | 757 | |
b4692828 | 758 | if (td) { |
b1ec1da6 | 759 | if (dont_add_job) |
b4692828 | 760 | put_job(td); |
b1ec1da6 | 761 | else { |
2dc1bbeb | 762 | ret = add_job(td, td->o.name ?: "fio", 0); |
b1ec1da6 JA |
763 | if (ret) |
764 | put_job(td); | |
765 | } | |
972cfd25 | 766 | } |
774a6177 | 767 | |
b4692828 JA |
768 | while (optind < argc) { |
769 | ini_idx++; | |
770 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
771 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
772 | optind++; | |
eb8bbf48 | 773 | } |
972cfd25 JA |
774 | |
775 | return ini_idx; | |
ebac4655 JA |
776 | } |
777 | ||
b4692828 | 778 | |
ebac4655 JA |
779 | int parse_options(int argc, char *argv[]) |
780 | { | |
972cfd25 JA |
781 | int job_files, i; |
782 | ||
b4692828 JA |
783 | f_out = stdout; |
784 | f_err = stderr; | |
785 | ||
214e1eca | 786 | fio_options_dup_and_init(long_options); |
b4692828 | 787 | |
ebac4655 JA |
788 | if (setup_thread_area()) |
789 | return 1; | |
790 | if (fill_def_thread()) | |
791 | return 1; | |
792 | ||
972cfd25 | 793 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 794 | |
972cfd25 JA |
795 | for (i = 0; i < job_files; i++) { |
796 | if (fill_def_thread()) | |
797 | return 1; | |
0c7e37a0 | 798 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 799 | return 1; |
88c6ed80 | 800 | free(ini_file[i]); |
972cfd25 | 801 | } |
ebac4655 | 802 | |
88c6ed80 | 803 | free(ini_file); |
b4692828 JA |
804 | |
805 | if (!thread_number) { | |
806 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
807 | return 1; |
808 | } | |
809 | ||
ebac4655 JA |
810 | return 0; |
811 | } |