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