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 | |
ebac4655 | 118 | td->thread_number = thread_number; |
ebac4655 JA |
119 | return td; |
120 | } | |
121 | ||
122 | static void put_job(struct thread_data *td) | |
123 | { | |
549577a7 JA |
124 | if (td == &def_thread) |
125 | return; | |
126 | ||
16edf25d | 127 | if (td->error) |
6d86144d | 128 | log_info("fio: %s\n", td->verror); |
16edf25d | 129 | |
ebac4655 JA |
130 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
131 | thread_number--; | |
132 | } | |
133 | ||
127f6865 JA |
134 | static int setup_rate(struct thread_data *td) |
135 | { | |
136 | unsigned long nr_reads_per_msec; | |
137 | unsigned long long rate; | |
138 | unsigned int bs; | |
139 | ||
140 | if (!td->rate && !td->rate_iops) | |
141 | return 0; | |
142 | ||
143 | if (td_rw(td)) | |
144 | bs = td->rw_min_bs; | |
145 | else if (td_read(td)) | |
146 | bs = td->min_bs[DDIR_READ]; | |
147 | else | |
148 | bs = td->min_bs[DDIR_WRITE]; | |
149 | ||
150 | if (td->rate) { | |
151 | rate = td->rate; | |
152 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; | |
153 | } else | |
154 | nr_reads_per_msec = td->rate_iops * 1000UL; | |
155 | ||
156 | if (!nr_reads_per_msec) { | |
157 | log_err("rate lower than supported\n"); | |
158 | return -1; | |
159 | } | |
160 | ||
161 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
162 | td->rate_pending_usleep = 0; | |
163 | return 0; | |
164 | } | |
165 | ||
dad915e3 JA |
166 | /* |
167 | * Lazy way of fixing up options that depend on each other. We could also | |
168 | * define option callback handlers, but this is easier. | |
169 | */ | |
4e991c23 | 170 | static int fixup_options(struct thread_data *td) |
e1f36503 | 171 | { |
e1f36503 JA |
172 | if (!td->rwmixread && td->rwmixwrite) |
173 | td->rwmixread = 100 - td->rwmixwrite; | |
dad915e3 | 174 | |
076efc7c JA |
175 | if (td->write_iolog_file && td->read_iolog_file) { |
176 | log_err("fio: read iolog overrides write_iolog\n"); | |
177 | free(td->write_iolog_file); | |
178 | td->write_iolog_file = NULL; | |
179 | } | |
16b462ae JA |
180 | |
181 | if (td->io_ops->flags & FIO_SYNCIO) | |
182 | td->iodepth = 1; | |
183 | else { | |
184 | if (!td->iodepth) | |
b5af8293 | 185 | td->iodepth = td->open_files; |
16b462ae JA |
186 | } |
187 | ||
188 | /* | |
189 | * only really works for sequential io for now, and with 1 file | |
190 | */ | |
b5af8293 | 191 | if (td->zone_size && td_random(td) && td->open_files == 1) |
16b462ae JA |
192 | td->zone_size = 0; |
193 | ||
194 | /* | |
195 | * Reads can do overwrites, we always need to pre-create the file | |
196 | */ | |
197 | if (td_read(td) || td_rw(td)) | |
198 | td->overwrite = 1; | |
199 | ||
a00735e6 JA |
200 | if (!td->min_bs[DDIR_READ]) |
201 | td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; | |
202 | if (!td->max_bs[DDIR_READ]) | |
203 | td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; | |
204 | if (!td->min_bs[DDIR_WRITE]) | |
75e6f36f | 205 | td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; |
a00735e6 | 206 | if (!td->max_bs[DDIR_WRITE]) |
75e6f36f | 207 | td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; |
a00735e6 JA |
208 | |
209 | td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); | |
210 | ||
9c60ce64 JA |
211 | if (!td->file_size_high) |
212 | td->file_size_high = td->file_size_low; | |
213 | ||
16b462ae JA |
214 | if (td_read(td) && !td_rw(td)) |
215 | td->verify = 0; | |
bb8895e0 JA |
216 | |
217 | if (td->norandommap && td->verify != VERIFY_NONE) { | |
218 | log_err("fio: norandommap given, verify disabled\n"); | |
219 | td->verify = VERIFY_NONE; | |
220 | } | |
690adba3 JA |
221 | if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) |
222 | log_err("fio: bs_unaligned may not work with raw io\n"); | |
e0a22335 | 223 | |
48097d5c JA |
224 | /* |
225 | * thinktime_spin must be less than thinktime | |
226 | */ | |
227 | if (td->thinktime_spin > td->thinktime) | |
228 | td->thinktime_spin = td->thinktime; | |
e916b390 JA |
229 | |
230 | /* | |
231 | * The low water mark cannot be bigger than the iodepth | |
232 | */ | |
9467b77c JA |
233 | if (td->iodepth_low > td->iodepth || !td->iodepth_low) { |
234 | /* | |
235 | * syslet work around - if the workload is sequential, | |
236 | * we want to let the queue drain all the way down to | |
237 | * avoid seeking between async threads | |
238 | */ | |
239 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
240 | td->iodepth_low = 1; | |
241 | else | |
242 | td->iodepth_low = td->iodepth; | |
243 | } | |
cb5ab512 JA |
244 | |
245 | /* | |
246 | * If batch number isn't set, default to the same as iodepth | |
247 | */ | |
248 | if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) | |
249 | td->iodepth_batch = td->iodepth; | |
b5af8293 | 250 | |
bbf6b540 | 251 | if (td->nr_files > td->files_index) |
9f9214f2 JA |
252 | td->nr_files = td->files_index; |
253 | ||
254 | if (td->open_files > td->nr_files || !td->open_files) | |
b5af8293 | 255 | td->open_files = td->nr_files; |
4e991c23 JA |
256 | |
257 | if ((td->rate && td->rate_iops) || (td->ratemin && td->rate_iops_min)) { | |
258 | log_err("fio: rate and rate_iops are mutually exclusive\n"); | |
259 | return 1; | |
260 | } | |
261 | if ((td->rate < td->ratemin) || (td->rate_iops < td->rate_iops_min)) { | |
262 | log_err("fio: minimum rate exceeds rate\n"); | |
263 | return 1; | |
264 | } | |
265 | ||
266 | return 0; | |
e1f36503 JA |
267 | } |
268 | ||
f8977ee6 JA |
269 | /* |
270 | * This function leaks the buffer | |
271 | */ | |
272 | static char *to_kmg(unsigned int val) | |
273 | { | |
274 | char *buf = malloc(32); | |
f3502ba2 | 275 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
276 | char *p = post; |
277 | ||
245142ff | 278 | do { |
f8977ee6 JA |
279 | if (val & 1023) |
280 | break; | |
281 | ||
282 | val >>= 10; | |
283 | p++; | |
245142ff | 284 | } while (*p); |
f8977ee6 JA |
285 | |
286 | snprintf(buf, 31, "%u%c", val, *p); | |
287 | return buf; | |
288 | } | |
289 | ||
09629a90 JA |
290 | /* External engines are specified by "external:name.o") */ |
291 | static const char *get_engine_name(const char *str) | |
292 | { | |
293 | char *p = strstr(str, ":"); | |
294 | ||
295 | if (!p) | |
296 | return str; | |
297 | ||
298 | p++; | |
299 | strip_blank_front(&p); | |
300 | strip_blank_end(p); | |
301 | return p; | |
302 | } | |
303 | ||
e132cbae JA |
304 | static int exists_and_not_file(const char *filename) |
305 | { | |
306 | struct stat sb; | |
307 | ||
308 | if (lstat(filename, &sb) == -1) | |
309 | return 0; | |
310 | ||
311 | if (S_ISREG(sb.st_mode)) | |
312 | return 0; | |
313 | ||
314 | return 1; | |
315 | } | |
316 | ||
9c60ce64 JA |
317 | /* |
318 | * Initialize the various random states we need (random io, block size ranges, | |
319 | * read/write mix, etc). | |
320 | */ | |
321 | static int init_random_state(struct thread_data *td) | |
322 | { | |
323 | unsigned long seeds[6]; | |
324 | int fd, num_maps, blocks; | |
325 | struct fio_file *f; | |
326 | unsigned int i; | |
327 | ||
328 | fd = open("/dev/urandom", O_RDONLY); | |
329 | if (fd == -1) { | |
330 | td_verror(td, errno, "open"); | |
331 | return 1; | |
332 | } | |
333 | ||
334 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
335 | td_verror(td, EIO, "read"); | |
336 | close(fd); | |
337 | return 1; | |
338 | } | |
339 | ||
340 | close(fd); | |
341 | ||
342 | os_random_seed(seeds[0], &td->bsrange_state); | |
343 | os_random_seed(seeds[1], &td->verify_state); | |
344 | os_random_seed(seeds[2], &td->rwmix_state); | |
345 | ||
346 | if (td->file_service_type == FIO_FSERVICE_RANDOM) | |
347 | os_random_seed(seeds[3], &td->next_file_state); | |
348 | ||
349 | os_random_seed(seeds[5], &td->file_size_state); | |
350 | ||
351 | if (!td_random(td)) | |
352 | return 0; | |
353 | ||
354 | if (td->rand_repeatable) | |
355 | seeds[4] = FIO_RANDSEED * td->thread_number; | |
356 | ||
357 | if (!td->norandommap) { | |
358 | for_each_file(td, f, i) { | |
359 | blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; | |
360 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; | |
361 | f->file_map = malloc(num_maps * sizeof(long)); | |
362 | if (!f->file_map) { | |
363 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
364 | return 1; | |
365 | } | |
366 | f->num_maps = num_maps; | |
367 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
368 | } | |
369 | } | |
370 | ||
371 | os_random_seed(seeds[4], &td->random_state); | |
372 | return 0; | |
373 | } | |
374 | ||
375 | ||
906c8d75 JA |
376 | /* |
377 | * Adds a job to the list of things todo. Sanitizes the various options | |
378 | * to make sure we don't have conflicts, and initializes various | |
379 | * members of td. | |
380 | */ | |
75154845 | 381 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 382 | { |
413dd459 JA |
383 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
384 | "randread", "randwrite", "randrw" }; | |
af52b345 | 385 | unsigned int i; |
53cdc686 | 386 | struct fio_file *f; |
09629a90 | 387 | const char *engine; |
af52b345 | 388 | char fname[PATH_MAX]; |
e132cbae | 389 | int numjobs, file_alloced; |
ebac4655 | 390 | |
ebac4655 JA |
391 | /* |
392 | * the def_thread is just for options, it's not a real job | |
393 | */ | |
394 | if (td == &def_thread) | |
395 | return 0; | |
396 | ||
09629a90 JA |
397 | engine = get_engine_name(td->ioengine); |
398 | td->io_ops = load_ioengine(td, engine); | |
399 | if (!td->io_ops) { | |
400 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 401 | goto err; |
09629a90 | 402 | } |
df64119d | 403 | |
9cedf167 JA |
404 | if (td->use_thread) |
405 | nr_thread++; | |
406 | else | |
407 | nr_process++; | |
408 | ||
690adba3 JA |
409 | if (td->odirect) |
410 | td->io_ops->flags |= FIO_RAWIO; | |
411 | ||
e132cbae | 412 | file_alloced = 0; |
bbf6b540 | 413 | if (!td->filename && !td->files_index) { |
e132cbae | 414 | file_alloced = 1; |
80be24f4 | 415 | |
e132cbae JA |
416 | if (td->nr_files == 1 && exists_and_not_file(jobname)) |
417 | add_file(td, jobname); | |
7b05a215 JA |
418 | else { |
419 | for (i = 0; i < td->nr_files; i++) { | |
e132cbae | 420 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
421 | add_file(td, fname); |
422 | } | |
af52b345 | 423 | } |
0af7b542 | 424 | } |
ebac4655 | 425 | |
4e991c23 JA |
426 | if (fixup_options(td)) |
427 | goto err; | |
e0a22335 | 428 | |
af52b345 JA |
429 | for_each_file(td, f, i) { |
430 | if (td->directory && f->filetype == FIO_TYPE_FILE) { | |
431 | sprintf(fname, "%s/%s", td->directory, f->file_name); | |
432 | f->file_name = strdup(fname); | |
53cdc686 | 433 | } |
53cdc686 JA |
434 | } |
435 | ||
07739b57 | 436 | td->mutex = fio_sem_init(0); |
ebac4655 | 437 | |
756867bd JA |
438 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
439 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
440 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 441 | |
3c5df6fa JA |
442 | if ((td->stonewall || td->numjobs > 1) && prev_group_jobs) { |
443 | prev_group_jobs = 0; | |
ebac4655 | 444 | groupid++; |
3c5df6fa | 445 | } |
ebac4655 JA |
446 | |
447 | td->groupid = groupid; | |
3c5df6fa | 448 | prev_group_jobs++; |
ebac4655 | 449 | |
9c60ce64 JA |
450 | if (init_random_state(td)) |
451 | goto err; | |
452 | ||
ebac4655 JA |
453 | if (setup_rate(td)) |
454 | goto err; | |
455 | ||
ec94ec56 | 456 | if (td->write_lat_log) { |
756867bd JA |
457 | setup_log(&td->ts.slat_log); |
458 | setup_log(&td->ts.clat_log); | |
ebac4655 | 459 | } |
ec94ec56 | 460 | if (td->write_bw_log) |
756867bd | 461 | setup_log(&td->ts.bw_log); |
ebac4655 | 462 | |
b4692828 JA |
463 | if (!td->name) |
464 | td->name = strdup(jobname); | |
01452055 | 465 | |
c6ae0a5b | 466 | if (!terse_output) { |
b990b5c0 | 467 | if (!job_add_num) { |
ba0fbe10 | 468 | if (!strcmp(td->io_ops->name, "cpuio")) |
6d86144d | 469 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
f8977ee6 JA |
470 | else { |
471 | char *c1, *c2, *c3, *c4; | |
472 | ||
473 | c1 = to_kmg(td->min_bs[DDIR_READ]); | |
474 | c2 = to_kmg(td->max_bs[DDIR_READ]); | |
475 | c3 = to_kmg(td->min_bs[DDIR_WRITE]); | |
476 | c4 = to_kmg(td->max_bs[DDIR_WRITE]); | |
477 | ||
6d86144d | 478 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->name, td->groupid, ddir_str[td->td_ddir], c1, c2, c3, c4, td->io_ops->name, td->iodepth); |
f8977ee6 JA |
479 | |
480 | free(c1); | |
481 | free(c2); | |
482 | free(c3); | |
483 | free(c4); | |
484 | } | |
b990b5c0 | 485 | } else if (job_add_num == 1) |
6d86144d | 486 | log_info("...\n"); |
c6ae0a5b | 487 | } |
ebac4655 JA |
488 | |
489 | /* | |
490 | * recurse add identical jobs, clear numjobs and stonewall options | |
491 | * as they don't apply to sub-jobs | |
492 | */ | |
493 | numjobs = td->numjobs; | |
494 | while (--numjobs) { | |
495 | struct thread_data *td_new = get_new_job(0, td); | |
496 | ||
497 | if (!td_new) | |
498 | goto err; | |
499 | ||
500 | td_new->numjobs = 1; | |
501 | td_new->stonewall = 0; | |
e132cbae JA |
502 | |
503 | if (file_alloced) { | |
504 | td_new->filename = NULL; | |
505 | td_new->files_index = 0; | |
506 | td_new->files = NULL; | |
507 | } | |
508 | ||
75154845 | 509 | job_add_num = numjobs - 1; |
ebac4655 | 510 | |
75154845 | 511 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
512 | goto err; |
513 | } | |
3c5df6fa JA |
514 | |
515 | if (td->numjobs > 1) { | |
516 | groupid++; | |
517 | prev_group_jobs = 0; | |
518 | } | |
519 | ||
ebac4655 JA |
520 | return 0; |
521 | err: | |
522 | put_job(td); | |
523 | return -1; | |
524 | } | |
525 | ||
ebac4655 JA |
526 | static int is_empty_or_comment(char *line) |
527 | { | |
528 | unsigned int i; | |
529 | ||
530 | for (i = 0; i < strlen(line); i++) { | |
531 | if (line[i] == ';') | |
532 | return 1; | |
5cc2da30 IM |
533 | if (line[i] == '#') |
534 | return 1; | |
ebac4655 JA |
535 | if (!isspace(line[i]) && !iscntrl(line[i])) |
536 | return 0; | |
537 | } | |
538 | ||
539 | return 1; | |
540 | } | |
541 | ||
07261983 JA |
542 | /* |
543 | * This is our [ini] type file parser. | |
544 | */ | |
1e97cce9 | 545 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 546 | { |
e1f36503 | 547 | unsigned int global; |
ebac4655 | 548 | struct thread_data *td; |
fee3bb48 | 549 | char *string, *name; |
ebac4655 JA |
550 | fpos_t off; |
551 | FILE *f; | |
552 | char *p; | |
0c7e37a0 | 553 | int ret = 0, stonewall; |
ebac4655 JA |
554 | |
555 | f = fopen(file, "r"); | |
556 | if (!f) { | |
aea47d44 | 557 | perror("fopen job file"); |
ebac4655 JA |
558 | return 1; |
559 | } | |
560 | ||
561 | string = malloc(4096); | |
562 | name = malloc(256); | |
fee3bb48 | 563 | memset(name, 0, 256); |
ebac4655 | 564 | |
0c7e37a0 | 565 | stonewall = stonewall_flag; |
7c124ac1 JA |
566 | do { |
567 | p = fgets(string, 4095, f); | |
568 | if (!p) | |
45410acb | 569 | break; |
ebac4655 JA |
570 | if (is_empty_or_comment(p)) |
571 | continue; | |
fee3bb48 | 572 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
573 | continue; |
574 | ||
575 | global = !strncmp(name, "global", 6); | |
576 | ||
577 | name[strlen(name) - 1] = '\0'; | |
578 | ||
579 | td = get_new_job(global, &def_thread); | |
45410acb JA |
580 | if (!td) { |
581 | ret = 1; | |
582 | break; | |
583 | } | |
ebac4655 | 584 | |
972cfd25 JA |
585 | /* |
586 | * Seperate multiple job files by a stonewall | |
587 | */ | |
f9481919 | 588 | if (!global && stonewall) { |
972cfd25 JA |
589 | td->stonewall = stonewall; |
590 | stonewall = 0; | |
591 | } | |
592 | ||
ebac4655 JA |
593 | fgetpos(f, &off); |
594 | while ((p = fgets(string, 4096, f)) != NULL) { | |
595 | if (is_empty_or_comment(p)) | |
596 | continue; | |
e1f36503 | 597 | |
b6754f9d | 598 | strip_blank_front(&p); |
7c124ac1 JA |
599 | |
600 | if (p[0] == '[') | |
601 | break; | |
602 | ||
4ae3f763 | 603 | strip_blank_end(p); |
aea47d44 | 604 | |
e1f36503 | 605 | fgetpos(f, &off); |
ebac4655 | 606 | |
45410acb JA |
607 | /* |
608 | * Don't break here, continue parsing options so we | |
609 | * dump all the bad ones. Makes trial/error fixups | |
610 | * easier on the user. | |
611 | */ | |
214e1eca | 612 | ret |= fio_option_parse(td, p); |
ebac4655 | 613 | } |
ebac4655 | 614 | |
45410acb JA |
615 | if (!ret) { |
616 | fsetpos(f, &off); | |
617 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
618 | } else { |
619 | log_err("fio: job %s dropped\n", name); | |
620 | put_job(td); | |
45410acb | 621 | } |
7c124ac1 | 622 | } while (!ret); |
ebac4655 JA |
623 | |
624 | free(string); | |
625 | free(name); | |
626 | fclose(f); | |
45410acb | 627 | return ret; |
ebac4655 JA |
628 | } |
629 | ||
630 | static int fill_def_thread(void) | |
631 | { | |
632 | memset(&def_thread, 0, sizeof(def_thread)); | |
633 | ||
634 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
635 | perror("sched_getaffinity"); | |
636 | return 1; | |
637 | } | |
638 | ||
639 | /* | |
ee738499 | 640 | * fill default options |
ebac4655 | 641 | */ |
214e1eca | 642 | fio_fill_default_options(&def_thread); |
ee738499 | 643 | |
972cfd25 | 644 | def_thread.timeout = def_timeout; |
ec94ec56 JA |
645 | def_thread.write_bw_log = write_bw_log; |
646 | def_thread.write_lat_log = write_lat_log; | |
ee738499 | 647 | |
ebac4655 JA |
648 | #ifdef FIO_HAVE_DISK_UTIL |
649 | def_thread.do_disk_util = 1; | |
650 | #endif | |
651 | ||
652 | return 0; | |
653 | } | |
654 | ||
214e1eca JA |
655 | static void free_shm(void) |
656 | { | |
657 | struct shmid_ds sbuf; | |
658 | ||
659 | if (threads) { | |
660 | shmdt((void *) threads); | |
661 | threads = NULL; | |
662 | shmctl(shm_id, IPC_RMID, &sbuf); | |
663 | } | |
664 | } | |
665 | ||
666 | /* | |
667 | * The thread area is shared between the main process and the job | |
668 | * threads/processes. So setup a shared memory segment that will hold | |
669 | * all the job info. | |
670 | */ | |
671 | static int setup_thread_area(void) | |
672 | { | |
673 | /* | |
674 | * 1024 is too much on some machines, scale max_jobs if | |
675 | * we get a failure that looks like too large a shm segment | |
676 | */ | |
677 | do { | |
678 | size_t size = max_jobs * sizeof(struct thread_data); | |
679 | ||
680 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
681 | if (shm_id != -1) | |
682 | break; | |
683 | if (errno != EINVAL) { | |
684 | perror("shmget"); | |
685 | break; | |
686 | } | |
687 | ||
688 | max_jobs >>= 1; | |
689 | } while (max_jobs); | |
690 | ||
691 | if (shm_id == -1) | |
692 | return 1; | |
693 | ||
694 | threads = shmat(shm_id, NULL, 0); | |
695 | if (threads == (void *) -1) { | |
696 | perror("shmat"); | |
697 | return 1; | |
698 | } | |
699 | ||
700 | atexit(free_shm); | |
701 | return 0; | |
702 | } | |
703 | ||
0ab8db89 | 704 | static void usage(void) |
4785f995 JA |
705 | { |
706 | printf("%s\n", fio_version_string); | |
b4692828 JA |
707 | printf("\t--output\tWrite output to file\n"); |
708 | printf("\t--timeout\tRuntime in seconds\n"); | |
709 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
710 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
711 | printf("\t--minimal\tMinimal (terse) output\n"); | |
712 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
713 | printf("\t--help\t\tPrint this page\n"); |
714 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
715 | } |
716 | ||
972cfd25 | 717 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 718 | { |
b4692828 | 719 | struct thread_data *td = NULL; |
b1ec1da6 | 720 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 721 | |
0be06ea2 | 722 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 723 | switch (c) { |
b4692828 JA |
724 | case 't': |
725 | def_timeout = atoi(optarg); | |
726 | break; | |
727 | case 'l': | |
728 | write_lat_log = 1; | |
729 | break; | |
730 | case 'w': | |
731 | write_bw_log = 1; | |
732 | break; | |
733 | case 'o': | |
734 | f_out = fopen(optarg, "w+"); | |
735 | if (!f_out) { | |
736 | perror("fopen output"); | |
737 | exit(1); | |
738 | } | |
739 | f_err = f_out; | |
740 | break; | |
741 | case 'm': | |
742 | terse_output = 1; | |
743 | break; | |
744 | case 'h': | |
745 | usage(); | |
746 | exit(0); | |
fd28ca49 | 747 | case 'c': |
214e1eca | 748 | exit(fio_show_option_help(optarg)); |
b4692828 JA |
749 | case 'v': |
750 | printf("%s\n", fio_version_string); | |
751 | exit(0); | |
752 | case FIO_GETOPT_JOB: { | |
753 | const char *opt = long_options[lidx].name; | |
754 | char *val = optarg; | |
755 | ||
c2b1e753 JA |
756 | if (!strncmp(opt, "name", 4) && td) { |
757 | ret = add_job(td, td->name ?: "fio", 0); | |
758 | if (ret) { | |
759 | put_job(td); | |
760 | return 0; | |
761 | } | |
762 | td = NULL; | |
763 | } | |
b4692828 | 764 | if (!td) { |
38d0adb0 | 765 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
766 | |
767 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
768 | if (!td) |
769 | return 0; | |
770 | } | |
38d0adb0 | 771 | |
214e1eca | 772 | ret = fio_cmd_option_parse(td, opt, val); |
78217dfa | 773 | if (ret) |
b1ec1da6 | 774 | dont_add_job = 1; |
b4692828 JA |
775 | break; |
776 | } | |
777 | default: | |
b4692828 | 778 | break; |
ebac4655 JA |
779 | } |
780 | } | |
c9fad893 | 781 | |
b4692828 | 782 | if (td) { |
b1ec1da6 | 783 | if (dont_add_job) |
b4692828 | 784 | put_job(td); |
b1ec1da6 JA |
785 | else { |
786 | ret = add_job(td, td->name ?: "fio", 0); | |
787 | if (ret) | |
788 | put_job(td); | |
789 | } | |
972cfd25 | 790 | } |
774a6177 | 791 | |
b4692828 JA |
792 | while (optind < argc) { |
793 | ini_idx++; | |
794 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
795 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
796 | optind++; | |
eb8bbf48 | 797 | } |
972cfd25 JA |
798 | |
799 | return ini_idx; | |
ebac4655 JA |
800 | } |
801 | ||
b4692828 | 802 | |
ebac4655 JA |
803 | int parse_options(int argc, char *argv[]) |
804 | { | |
972cfd25 JA |
805 | int job_files, i; |
806 | ||
b4692828 JA |
807 | f_out = stdout; |
808 | f_err = stderr; | |
809 | ||
214e1eca | 810 | fio_options_dup_and_init(long_options); |
b4692828 | 811 | |
ebac4655 JA |
812 | if (setup_thread_area()) |
813 | return 1; | |
814 | if (fill_def_thread()) | |
815 | return 1; | |
816 | ||
972cfd25 | 817 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 818 | |
972cfd25 JA |
819 | for (i = 0; i < job_files; i++) { |
820 | if (fill_def_thread()) | |
821 | return 1; | |
0c7e37a0 | 822 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 823 | return 1; |
88c6ed80 | 824 | free(ini_file[i]); |
972cfd25 | 825 | } |
ebac4655 | 826 | |
88c6ed80 | 827 | free(ini_file); |
b4692828 JA |
828 | |
829 | if (!thread_number) { | |
830 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
831 | return 1; |
832 | } | |
833 | ||
ebac4655 JA |
834 | return 0; |
835 | } |