Commit | Line | Data |
---|---|---|
906c8d75 JA |
1 | /* |
2 | * This file contains the ini and command liner parser. It will create | |
3 | * and initialize the specified jobs. | |
4 | */ | |
ebac4655 JA |
5 | #include <stdio.h> |
6 | #include <stdlib.h> | |
7 | #include <unistd.h> | |
8 | #include <fcntl.h> | |
9 | #include <ctype.h> | |
10 | #include <string.h> | |
11 | #include <errno.h> | |
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" | |
18 | ||
906c8d75 JA |
19 | /* |
20 | * The default options | |
21 | */ | |
20dc95c4 JA |
22 | #define DEF_BS (4096) |
23 | #define DEF_TIMEOUT (0) | |
24 | #define DEF_RATE_CYCLE (1000) | |
25 | #define DEF_ODIRECT (1) | |
26 | #define DEF_IO_ENGINE (FIO_SYNCIO) | |
ebac4655 | 27 | #define DEF_IO_ENGINE_NAME "sync" |
20dc95c4 JA |
28 | #define DEF_SEQUENTIAL (1) |
29 | #define DEF_RAND_REPEAT (1) | |
30 | #define DEF_OVERWRITE (1) | |
20dc95c4 JA |
31 | #define DEF_INVALIDATE (1) |
32 | #define DEF_SYNCIO (0) | |
33 | #define DEF_RANDSEED (0xb1899bedUL) | |
34 | #define DEF_BWAVGTIME (500) | |
35 | #define DEF_CREATE_SER (1) | |
ebac4655 | 36 | #define DEF_CREATE_FSYNC (1) |
20dc95c4 JA |
37 | #define DEF_LOOPS (1) |
38 | #define DEF_VERIFY (0) | |
39 | #define DEF_STONEWALL (0) | |
40 | #define DEF_NUMJOBS (1) | |
41 | #define DEF_USE_THREAD (0) | |
42 | #define DEF_FILE_SIZE (1024 * 1024 * 1024UL) | |
43 | #define DEF_ZONE_SIZE (0) | |
44 | #define DEF_ZONE_SKIP (0) | |
a6ccc7be JA |
45 | #define DEF_RWMIX_CYCLE (500) |
46 | #define DEF_RWMIX_READ (50) | |
b6f4d880 | 47 | #define DEF_NICE (0) |
53cdc686 | 48 | #define DEF_NR_FILES (1) |
f6cbb269 | 49 | #define DEF_UNLINK (0) |
ebac4655 | 50 | |
972cfd25 | 51 | static int def_timeout = DEF_TIMEOUT; |
972cfd25 | 52 | |
f4866ec5 | 53 | static char fio_version_string[] = "fio 1.5"; |
ebac4655 | 54 | |
972cfd25 | 55 | static char **ini_file; |
ebac4655 JA |
56 | static int max_jobs = MAX_JOBS; |
57 | ||
58 | struct thread_data def_thread; | |
59 | struct thread_data *threads = NULL; | |
60 | ||
61 | int rate_quit = 0; | |
62 | int write_lat_log = 0; | |
63 | int write_bw_log = 0; | |
64 | int exitall_on_terminate = 0; | |
c6ae0a5b | 65 | int terse_output = 0; |
c04f7ec3 | 66 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
67 | FILE *f_out = NULL; |
68 | FILE *f_err = NULL; | |
ebac4655 | 69 | |
906c8d75 JA |
70 | /* |
71 | * Return a free job structure. | |
72 | */ | |
ebac4655 JA |
73 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
74 | { | |
75 | struct thread_data *td; | |
76 | ||
77 | if (global) | |
78 | return &def_thread; | |
79 | if (thread_number >= max_jobs) | |
80 | return NULL; | |
81 | ||
82 | td = &threads[thread_number++]; | |
ddaeaa5a JA |
83 | *td = *parent; |
84 | td->name[0] = '\0'; | |
ebac4655 | 85 | |
ebac4655 | 86 | td->thread_number = thread_number; |
ebac4655 JA |
87 | return td; |
88 | } | |
89 | ||
90 | static void put_job(struct thread_data *td) | |
91 | { | |
92 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
93 | thread_number--; | |
94 | } | |
95 | ||
906c8d75 JA |
96 | /* |
97 | * Adds a job to the list of things todo. Sanitizes the various options | |
98 | * to make sure we don't have conflicts, and initializes various | |
99 | * members of td. | |
100 | */ | |
75154845 | 101 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 102 | { |
3d60d1ed JA |
103 | char *ddir_str[] = { "read", "write", "randread", "randwrite", |
104 | "rw", NULL, "randrw" }; | |
ebac4655 | 105 | struct stat sb; |
53cdc686 JA |
106 | int numjobs, ddir, i; |
107 | struct fio_file *f; | |
ebac4655 JA |
108 | |
109 | #ifndef FIO_HAVE_LIBAIO | |
110 | if (td->io_engine == FIO_LIBAIO) { | |
3b70d7e5 | 111 | log_err("Linux libaio not available\n"); |
ebac4655 JA |
112 | return 1; |
113 | } | |
114 | #endif | |
115 | #ifndef FIO_HAVE_POSIXAIO | |
116 | if (td->io_engine == FIO_POSIXAIO) { | |
3b70d7e5 | 117 | log_err("posix aio not available\n"); |
ebac4655 JA |
118 | return 1; |
119 | } | |
120 | #endif | |
ebac4655 JA |
121 | |
122 | /* | |
123 | * the def_thread is just for options, it's not a real job | |
124 | */ | |
125 | if (td == &def_thread) | |
126 | return 0; | |
127 | ||
df64119d JA |
128 | /* |
129 | * Set default io engine, if none set | |
130 | */ | |
131 | if (!td->io_ops) { | |
132 | td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME); | |
133 | if (!td->io_ops) { | |
134 | log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME); | |
135 | return 1; | |
136 | } | |
137 | } | |
138 | ||
2866c82d | 139 | if (td->io_ops->flags & FIO_SYNCIO) |
ebac4655 JA |
140 | td->iodepth = 1; |
141 | else { | |
142 | if (!td->iodepth) | |
841ddd13 | 143 | td->iodepth = td->nr_files; |
ebac4655 JA |
144 | } |
145 | ||
20dc95c4 | 146 | /* |
53cdc686 | 147 | * only really works for sequential io for now, and with 1 file |
20dc95c4 | 148 | */ |
53cdc686 | 149 | if (td->zone_size && !td->sequential && td->nr_files == 1) |
20dc95c4 JA |
150 | td->zone_size = 0; |
151 | ||
9cc935a1 JA |
152 | /* |
153 | * Reads can do overwrites, we always need to pre-create the file | |
154 | */ | |
155 | if (td_read(td) || td_rw(td)) | |
156 | td->overwrite = 1; | |
157 | ||
ebac4655 | 158 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
159 | if (!stat(jobname, &sb)) { |
160 | if (S_ISBLK(sb.st_mode)) | |
161 | td->filetype = FIO_TYPE_BD; | |
162 | else if (S_ISCHR(sb.st_mode)) | |
163 | td->filetype = FIO_TYPE_CHAR; | |
164 | } | |
ebac4655 | 165 | |
b2a15192 JA |
166 | if (td->odirect) |
167 | td->io_ops->flags |= FIO_RAWIO; | |
168 | ||
ebac4655 | 169 | if (td->filetype == FIO_TYPE_FILE) { |
e9c047a0 | 170 | char tmp[PATH_MAX]; |
53cdc686 JA |
171 | int len = 0; |
172 | int i; | |
e9c047a0 | 173 | |
ef899b63 | 174 | if (td->directory && td->directory[0] != '\0') |
53cdc686 | 175 | sprintf(tmp, "%s/", td->directory); |
ebac4655 | 176 | |
53cdc686 JA |
177 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
178 | ||
179 | for_each_file(td, f, i) { | |
180 | memset(f, 0, sizeof(*f)); | |
181 | f->fd = -1; | |
b2a15192 | 182 | f->fileno = i; |
53cdc686 JA |
183 | |
184 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
185 | f->file_name = strdup(tmp); | |
186 | } | |
187 | } else { | |
188 | td->nr_files = 1; | |
189 | td->files = malloc(sizeof(struct fio_file)); | |
190 | f = &td->files[0]; | |
191 | ||
192 | memset(f, 0, sizeof(*f)); | |
193 | f->fd = -1; | |
194 | f->file_name = strdup(jobname); | |
195 | } | |
196 | ||
197 | for_each_file(td, f, i) { | |
198 | f->file_size = td->total_file_size / td->nr_files; | |
199 | f->file_offset = td->start_offset; | |
200 | } | |
201 | ||
bbfd6b00 | 202 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
203 | |
204 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
205 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
206 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
207 | ||
208 | if (td->min_bs == -1U) | |
209 | td->min_bs = td->bs; | |
210 | if (td->max_bs == -1U) | |
211 | td->max_bs = td->bs; | |
3d60d1ed | 212 | if (td_read(td) && !td_rw(td)) |
ebac4655 JA |
213 | td->verify = 0; |
214 | ||
215 | if (td->stonewall && td->thread_number > 1) | |
216 | groupid++; | |
217 | ||
218 | td->groupid = groupid; | |
219 | ||
220 | if (setup_rate(td)) | |
221 | goto err; | |
222 | ||
223 | if (write_lat_log) { | |
224 | setup_log(&td->slat_log); | |
225 | setup_log(&td->clat_log); | |
226 | } | |
227 | if (write_bw_log) | |
228 | setup_log(&td->bw_log); | |
229 | ||
01452055 JA |
230 | if (td->name[0] == '\0') |
231 | snprintf(td->name, sizeof(td->name)-1, "client%d", td->thread_number); | |
232 | ||
3d60d1ed | 233 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 234 | |
c6ae0a5b | 235 | if (!terse_output) { |
b990b5c0 | 236 | if (!job_add_num) { |
2866c82d | 237 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
238 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
239 | else | |
2866c82d | 240 | fprintf(f_out, "%s: (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->name, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_ops->name, td->iodepth); |
b990b5c0 | 241 | } else if (job_add_num == 1) |
c6ae0a5b JA |
242 | fprintf(f_out, "...\n"); |
243 | } | |
ebac4655 JA |
244 | |
245 | /* | |
246 | * recurse add identical jobs, clear numjobs and stonewall options | |
247 | * as they don't apply to sub-jobs | |
248 | */ | |
249 | numjobs = td->numjobs; | |
250 | while (--numjobs) { | |
251 | struct thread_data *td_new = get_new_job(0, td); | |
252 | ||
253 | if (!td_new) | |
254 | goto err; | |
255 | ||
256 | td_new->numjobs = 1; | |
257 | td_new->stonewall = 0; | |
75154845 | 258 | job_add_num = numjobs - 1; |
ebac4655 | 259 | |
75154845 | 260 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
261 | goto err; |
262 | } | |
263 | return 0; | |
264 | err: | |
265 | put_job(td); | |
266 | return -1; | |
267 | } | |
268 | ||
906c8d75 JA |
269 | /* |
270 | * Initialize the various random states we need (random io, block size ranges, | |
271 | * read/write mix, etc). | |
272 | */ | |
ebac4655 JA |
273 | int init_random_state(struct thread_data *td) |
274 | { | |
a6ccc7be | 275 | unsigned long seeds[4]; |
53cdc686 | 276 | int fd, num_maps, blocks, i; |
0ab8db89 | 277 | struct fio_file *f; |
ebac4655 | 278 | |
1ac267bb | 279 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
280 | if (fd == -1) { |
281 | td_verror(td, errno); | |
282 | return 1; | |
283 | } | |
284 | ||
a6ccc7be | 285 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
286 | td_verror(td, EIO); |
287 | close(fd); | |
288 | return 1; | |
289 | } | |
290 | ||
291 | close(fd); | |
292 | ||
6dfd46b9 JA |
293 | os_random_seed(seeds[0], &td->bsrange_state); |
294 | os_random_seed(seeds[1], &td->verify_state); | |
295 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
296 | |
297 | if (td->sequential) | |
298 | return 0; | |
299 | ||
9ebc27e1 | 300 | if (td->rand_repeatable) |
a6ccc7be | 301 | seeds[3] = DEF_RANDSEED; |
ebac4655 | 302 | |
0ab8db89 | 303 | for_each_file(td, f, i) { |
53cdc686 JA |
304 | blocks = (f->file_size + td->min_bs - 1) / td->min_bs; |
305 | num_maps = blocks / BLOCKS_PER_MAP; | |
306 | f->file_map = malloc(num_maps * sizeof(long)); | |
307 | f->num_maps = num_maps; | |
308 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
309 | } | |
ebac4655 | 310 | |
6dfd46b9 | 311 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
312 | return 0; |
313 | } | |
314 | ||
315 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
316 | { | |
317 | #ifdef FIO_HAVE_CPU_AFFINITY | |
318 | unsigned int i; | |
319 | ||
320 | CPU_ZERO(&cpumask); | |
321 | ||
322 | for (i = 0; i < sizeof(int) * 8; i++) { | |
323 | if ((1 << i) & cpu) | |
324 | CPU_SET(i, &cpumask); | |
325 | } | |
326 | #endif | |
327 | } | |
328 | ||
906c8d75 JA |
329 | static unsigned long get_mult_time(char c) |
330 | { | |
331 | switch (c) { | |
332 | case 'm': | |
333 | case 'M': | |
334 | return 60; | |
335 | case 'h': | |
336 | case 'H': | |
337 | return 60 * 60; | |
338 | case 'd': | |
339 | case 'D': | |
340 | return 24 * 60 * 60; | |
341 | default: | |
342 | return 1; | |
343 | } | |
344 | } | |
345 | ||
346 | static unsigned long get_mult_bytes(char c) | |
ebac4655 JA |
347 | { |
348 | switch (c) { | |
349 | case 'k': | |
350 | case 'K': | |
351 | return 1024; | |
352 | case 'm': | |
353 | case 'M': | |
354 | return 1024 * 1024; | |
355 | case 'g': | |
356 | case 'G': | |
357 | return 1024 * 1024 * 1024; | |
358 | default: | |
359 | return 1; | |
360 | } | |
361 | } | |
362 | ||
363 | /* | |
364 | * convert string after '=' into decimal value, noting any size suffix | |
365 | */ | |
906c8d75 | 366 | static int str_to_decimal(char *p, unsigned long long *val, int kilo) |
ebac4655 JA |
367 | { |
368 | char *str; | |
369 | int len; | |
370 | ||
f5d3e5ec | 371 | str = strchr(p, '='); |
ebac4655 JA |
372 | if (!str) |
373 | return 1; | |
374 | ||
375 | str++; | |
376 | len = strlen(str); | |
377 | ||
378 | *val = strtoul(str, NULL, 10); | |
379 | if (*val == ULONG_MAX && errno == ERANGE) | |
380 | return 1; | |
381 | ||
906c8d75 JA |
382 | if (kilo) |
383 | *val *= get_mult_bytes(str[len - 1]); | |
384 | else | |
385 | *val *= get_mult_time(str[len - 1]); | |
ebac4655 JA |
386 | return 0; |
387 | } | |
388 | ||
906c8d75 | 389 | static int check_str_bytes(char *p, char *name, unsigned long long *val) |
ebac4655 | 390 | { |
20dc95c4 | 391 | if (strncmp(p, name, strlen(name) - 1)) |
ebac4655 JA |
392 | return 1; |
393 | ||
906c8d75 JA |
394 | return str_to_decimal(p, val, 1); |
395 | } | |
396 | ||
397 | static int check_str_time(char *p, char *name, unsigned long long *val) | |
398 | { | |
399 | if (strncmp(p, name, strlen(name) - 1)) | |
400 | return 1; | |
401 | ||
402 | return str_to_decimal(p, val, 0); | |
ebac4655 JA |
403 | } |
404 | ||
405 | static void strip_blank_front(char **p) | |
406 | { | |
407 | char *s = *p; | |
408 | ||
4ae3f763 | 409 | while (isspace(*s)) |
ebac4655 JA |
410 | s++; |
411 | } | |
412 | ||
413 | static void strip_blank_end(char *p) | |
414 | { | |
4ae3f763 | 415 | char *s = p + strlen(p) - 1; |
ebac4655 | 416 | |
4ae3f763 JA |
417 | while (isspace(*s) || iscntrl(*s)) |
418 | s--; | |
aea47d44 | 419 | |
4ae3f763 | 420 | *(s + 1) = '\0'; |
aea47d44 JA |
421 | } |
422 | ||
ebac4655 JA |
423 | typedef int (str_cb_fn)(struct thread_data *, char *); |
424 | ||
425 | static int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td) | |
426 | { | |
843a7413 | 427 | char *s; |
ebac4655 | 428 | |
843a7413 JA |
429 | if (strncmp(p, name, strlen(name))) |
430 | return 1; | |
431 | ||
432 | s = strstr(p, name); | |
ebac4655 JA |
433 | if (!s) |
434 | return 1; | |
435 | ||
f5d3e5ec | 436 | s = strchr(s, '='); |
ebac4655 JA |
437 | if (!s) |
438 | return 1; | |
439 | ||
440 | s++; | |
441 | strip_blank_front(&s); | |
442 | return cb(td, s); | |
443 | } | |
444 | ||
445 | static int check_strstore(char *p, char *name, char *dest) | |
446 | { | |
843a7413 | 447 | char *s; |
ebac4655 | 448 | |
843a7413 JA |
449 | if (strncmp(p, name, strlen(name))) |
450 | return 1; | |
451 | ||
452 | s = strstr(p, name); | |
ebac4655 JA |
453 | if (!s) |
454 | return 1; | |
455 | ||
f5d3e5ec | 456 | s = strchr(p, '='); |
ebac4655 JA |
457 | if (!s) |
458 | return 1; | |
459 | ||
460 | s++; | |
461 | strip_blank_front(&s); | |
462 | ||
463 | strcpy(dest, s); | |
ebac4655 JA |
464 | return 0; |
465 | } | |
466 | ||
906c8d75 | 467 | static int __check_range_bytes(char *str, unsigned long *val) |
ebac4655 | 468 | { |
01617be6 | 469 | char suffix; |
ebac4655 | 470 | |
01617be6 | 471 | if (sscanf(str, "%lu%c", val, &suffix) == 2) { |
906c8d75 | 472 | *val *= get_mult_bytes(suffix); |
ebac4655 JA |
473 | return 0; |
474 | } | |
475 | ||
01617be6 | 476 | if (sscanf(str, "%lu", val) == 1) |
ebac4655 | 477 | return 0; |
ebac4655 | 478 | |
01617be6 JA |
479 | return 1; |
480 | } | |
481 | ||
906c8d75 JA |
482 | static int check_range_bytes(char *p, char *name, unsigned long *s, |
483 | unsigned long *e) | |
01617be6 JA |
484 | { |
485 | char option[128]; | |
486 | char *str, *p1, *p2; | |
487 | ||
843a7413 JA |
488 | if (strncmp(p, name, strlen(name))) |
489 | return 1; | |
490 | ||
01617be6 JA |
491 | strcpy(option, p); |
492 | p = option; | |
493 | ||
494 | str = strstr(p, name); | |
495 | if (!str) | |
496 | return 1; | |
ebac4655 | 497 | |
01617be6 JA |
498 | p += strlen(name); |
499 | ||
500 | str = strchr(p, '='); | |
501 | if (!str) | |
502 | return 1; | |
503 | ||
504 | /* | |
505 | * 'p' now holds whatever is after the '=' sign | |
506 | */ | |
507 | p1 = str + 1; | |
508 | ||
509 | /* | |
510 | * terminate p1 at the '-' sign | |
511 | */ | |
512 | p = strchr(p1, '-'); | |
513 | if (!p) | |
514 | return 1; | |
515 | ||
516 | p2 = p + 1; | |
517 | *p = '\0'; | |
518 | ||
906c8d75 | 519 | if (!__check_range_bytes(p1, s) && !__check_range_bytes(p2, e)) |
ebac4655 JA |
520 | return 0; |
521 | ||
522 | return 1; | |
ebac4655 JA |
523 | } |
524 | ||
525 | static int check_int(char *p, char *name, unsigned int *val) | |
526 | { | |
f5d3e5ec | 527 | char *str; |
ebac4655 | 528 | |
b6754f9d JA |
529 | if (strncmp(p, name, strlen(name))) |
530 | return 1; | |
531 | ||
f5d3e5ec JA |
532 | str = strstr(p, name); |
533 | if (!str) | |
534 | return 1; | |
535 | ||
536 | str = strchr(p, '='); | |
537 | if (!str) | |
538 | return 1; | |
539 | ||
540 | str++; | |
ebac4655 | 541 | |
f5d3e5ec | 542 | if (sscanf(str, "%u", val) == 1) |
ebac4655 JA |
543 | return 0; |
544 | ||
545 | return 1; | |
546 | } | |
547 | ||
548 | static int check_strset(char *p, char *name) | |
549 | { | |
550 | return strncmp(p, name, strlen(name)); | |
551 | } | |
552 | ||
553 | static int is_empty_or_comment(char *line) | |
554 | { | |
555 | unsigned int i; | |
556 | ||
557 | for (i = 0; i < strlen(line); i++) { | |
558 | if (line[i] == ';') | |
559 | return 1; | |
560 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
561 | return 0; | |
562 | } | |
563 | ||
564 | return 1; | |
565 | } | |
566 | ||
567 | static int str_rw_cb(struct thread_data *td, char *mem) | |
568 | { | |
569 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { | |
570 | td->ddir = DDIR_READ; | |
571 | td->sequential = 1; | |
572 | return 0; | |
573 | } else if (!strncmp(mem, "randread", 8)) { | |
574 | td->ddir = DDIR_READ; | |
575 | td->sequential = 0; | |
576 | return 0; | |
577 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
578 | td->ddir = DDIR_WRITE; | |
579 | td->sequential = 1; | |
580 | return 0; | |
581 | } else if (!strncmp(mem, "randwrite", 9)) { | |
582 | td->ddir = DDIR_WRITE; | |
583 | td->sequential = 0; | |
584 | return 0; | |
3d60d1ed JA |
585 | } else if (!strncmp(mem, "rw", 2)) { |
586 | td->ddir = 0; | |
587 | td->iomix = 1; | |
588 | td->sequential = 1; | |
589 | return 0; | |
590 | } else if (!strncmp(mem, "randrw", 6)) { | |
591 | td->ddir = 0; | |
592 | td->iomix = 1; | |
593 | td->sequential = 0; | |
594 | return 0; | |
ebac4655 JA |
595 | } |
596 | ||
3b70d7e5 | 597 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
598 | return 1; |
599 | } | |
600 | ||
601 | static int str_verify_cb(struct thread_data *td, char *mem) | |
602 | { | |
603 | if (!strncmp(mem, "0", 1)) { | |
604 | td->verify = VERIFY_NONE; | |
605 | return 0; | |
606 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
607 | td->verify = VERIFY_MD5; | |
608 | return 0; | |
609 | } else if (!strncmp(mem, "crc32", 5)) { | |
610 | td->verify = VERIFY_CRC32; | |
611 | return 0; | |
612 | } | |
613 | ||
3b70d7e5 | 614 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
615 | return 1; |
616 | } | |
617 | ||
618 | static int str_mem_cb(struct thread_data *td, char *mem) | |
619 | { | |
620 | if (!strncmp(mem, "malloc", 6)) { | |
621 | td->mem_type = MEM_MALLOC; | |
622 | return 0; | |
623 | } else if (!strncmp(mem, "shm", 3)) { | |
624 | td->mem_type = MEM_SHM; | |
625 | return 0; | |
626 | } else if (!strncmp(mem, "mmap", 4)) { | |
627 | td->mem_type = MEM_MMAP; | |
628 | return 0; | |
629 | } | |
630 | ||
3b70d7e5 | 631 | log_err("fio: mem type: malloc, shm, mmap\n"); |
ebac4655 JA |
632 | return 1; |
633 | } | |
634 | ||
635 | static int str_ioengine_cb(struct thread_data *td, char *str) | |
636 | { | |
2866c82d JA |
637 | td->io_ops = load_ioengine(td, str); |
638 | if (td->io_ops) | |
b990b5c0 | 639 | return 0; |
ebac4655 | 640 | |
b990b5c0 | 641 | log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n"); |
ebac4655 JA |
642 | return 1; |
643 | } | |
644 | ||
07261983 JA |
645 | /* |
646 | * This is our [ini] type file parser. | |
647 | */ | |
0c7e37a0 | 648 | int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 649 | { |
a6ccc7be | 650 | unsigned int prioclass, prio, cpu, global, il; |
ebac4655 JA |
651 | unsigned long long ull; |
652 | unsigned long ul1, ul2; | |
653 | struct thread_data *td; | |
ef899b63 | 654 | char *string, *name, *tmpbuf; |
ebac4655 JA |
655 | fpos_t off; |
656 | FILE *f; | |
657 | char *p; | |
0c7e37a0 | 658 | int ret = 0, stonewall; |
ebac4655 JA |
659 | |
660 | f = fopen(file, "r"); | |
661 | if (!f) { | |
aea47d44 | 662 | perror("fopen job file"); |
ebac4655 JA |
663 | return 1; |
664 | } | |
665 | ||
666 | string = malloc(4096); | |
667 | name = malloc(256); | |
ef899b63 | 668 | tmpbuf = malloc(4096); |
ebac4655 | 669 | |
0c7e37a0 | 670 | stonewall = stonewall_flag; |
ebac4655 | 671 | while ((p = fgets(string, 4096, f)) != NULL) { |
45410acb JA |
672 | if (ret) |
673 | break; | |
ebac4655 JA |
674 | if (is_empty_or_comment(p)) |
675 | continue; | |
676 | if (sscanf(p, "[%s]", name) != 1) | |
677 | continue; | |
678 | ||
679 | global = !strncmp(name, "global", 6); | |
680 | ||
681 | name[strlen(name) - 1] = '\0'; | |
682 | ||
683 | td = get_new_job(global, &def_thread); | |
45410acb JA |
684 | if (!td) { |
685 | ret = 1; | |
686 | break; | |
687 | } | |
ebac4655 | 688 | |
972cfd25 JA |
689 | /* |
690 | * Seperate multiple job files by a stonewall | |
691 | */ | |
f9481919 | 692 | if (!global && stonewall) { |
972cfd25 JA |
693 | td->stonewall = stonewall; |
694 | stonewall = 0; | |
695 | } | |
696 | ||
ebac4655 JA |
697 | fgetpos(f, &off); |
698 | while ((p = fgets(string, 4096, f)) != NULL) { | |
699 | if (is_empty_or_comment(p)) | |
700 | continue; | |
701 | if (strstr(p, "[")) | |
702 | break; | |
b6754f9d | 703 | strip_blank_front(&p); |
4ae3f763 | 704 | strip_blank_end(p); |
aea47d44 | 705 | |
ebac4655 JA |
706 | if (!check_int(p, "prio", &prio)) { |
707 | #ifndef FIO_HAVE_IOPRIO | |
3b70d7e5 | 708 | log_err("io priorities not available\n"); |
45410acb JA |
709 | ret = 1; |
710 | break; | |
ebac4655 | 711 | #endif |
8756e4d4 | 712 | td->ioprio |= prio; |
ebac4655 JA |
713 | fgetpos(f, &off); |
714 | continue; | |
715 | } | |
716 | if (!check_int(p, "prioclass", &prioclass)) { | |
717 | #ifndef FIO_HAVE_IOPRIO | |
3b70d7e5 | 718 | log_err("io priorities not available\n"); |
45410acb JA |
719 | ret = 1; |
720 | break; | |
5c4e1dbc | 721 | #else |
8756e4d4 | 722 | td->ioprio |= prioclass << IOPRIO_CLASS_SHIFT; |
ebac4655 JA |
723 | fgetpos(f, &off); |
724 | continue; | |
5c4e1dbc | 725 | #endif |
ebac4655 | 726 | } |
e9c047a0 JA |
727 | if (!check_int(p, "direct", &il)) { |
728 | td->odirect = il; | |
ebac4655 JA |
729 | fgetpos(f, &off); |
730 | continue; | |
731 | } | |
9ebc27e1 JA |
732 | if (!check_int(p, "rand_repeatable", &il)) { |
733 | td->rand_repeatable = il; | |
734 | fgetpos(f, &off); | |
735 | continue; | |
736 | } | |
ebac4655 JA |
737 | if (!check_int(p, "rate", &td->rate)) { |
738 | fgetpos(f, &off); | |
739 | continue; | |
740 | } | |
741 | if (!check_int(p, "ratemin", &td->ratemin)) { | |
742 | fgetpos(f, &off); | |
743 | continue; | |
744 | } | |
745 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
746 | fgetpos(f, &off); | |
747 | continue; | |
748 | } | |
b990b5c0 JA |
749 | if (!check_int(p, "cpuload", &td->cpuload)) { |
750 | fgetpos(f, &off); | |
751 | continue; | |
752 | } | |
753 | if (!check_int(p, "cpuchunks", &td->cpucycle)) { | |
754 | fgetpos(f, &off); | |
755 | continue; | |
756 | } | |
ebac4655 JA |
757 | if (!check_int(p, "thinktime", &td->thinktime)) { |
758 | fgetpos(f, &off); | |
759 | continue; | |
760 | } | |
761 | if (!check_int(p, "cpumask", &cpu)) { | |
762 | #ifndef FIO_HAVE_CPU_AFFINITY | |
3b70d7e5 | 763 | log_err("cpu affinity not available\n"); |
45410acb JA |
764 | ret = 1; |
765 | break; | |
ebac4655 JA |
766 | #endif |
767 | fill_cpu_mask(td->cpumask, cpu); | |
768 | fgetpos(f, &off); | |
769 | continue; | |
770 | } | |
771 | if (!check_int(p, "fsync", &td->fsync_blocks)) { | |
772 | fgetpos(f, &off); | |
fc1a4713 | 773 | td->end_fsync = 1; |
ebac4655 JA |
774 | continue; |
775 | } | |
776 | if (!check_int(p, "startdelay", &td->start_delay)) { | |
777 | fgetpos(f, &off); | |
778 | continue; | |
779 | } | |
906c8d75 | 780 | if (!check_str_time(p, "timeout", &ull)) { |
af959a78 | 781 | td->timeout = ull; |
ebac4655 JA |
782 | fgetpos(f, &off); |
783 | continue; | |
784 | } | |
e9c047a0 JA |
785 | if (!check_int(p, "invalidate", &il)) { |
786 | td->invalidate_cache = il; | |
ebac4655 JA |
787 | fgetpos(f, &off); |
788 | continue; | |
789 | } | |
790 | if (!check_int(p, "iodepth", &td->iodepth)) { | |
791 | fgetpos(f, &off); | |
792 | continue; | |
793 | } | |
e9c047a0 JA |
794 | if (!check_int(p, "sync", &il)) { |
795 | td->sync_io = il; | |
ebac4655 JA |
796 | fgetpos(f, &off); |
797 | continue; | |
798 | } | |
799 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { | |
800 | fgetpos(f, &off); | |
801 | continue; | |
802 | } | |
e9c047a0 JA |
803 | if (!check_int(p, "create_serialize", &il)) { |
804 | td->create_serialize = il; | |
ebac4655 JA |
805 | fgetpos(f, &off); |
806 | continue; | |
807 | } | |
e9c047a0 JA |
808 | if (!check_int(p, "create_fsync", &il)) { |
809 | td->create_fsync = il; | |
ebac4655 JA |
810 | fgetpos(f, &off); |
811 | continue; | |
812 | } | |
e9c047a0 JA |
813 | if (!check_int(p, "end_fsync", &il)) { |
814 | td->end_fsync = il; | |
fc1a4713 JA |
815 | fgetpos(f, &off); |
816 | continue; | |
817 | } | |
ebac4655 JA |
818 | if (!check_int(p, "loops", &td->loops)) { |
819 | fgetpos(f, &off); | |
820 | continue; | |
821 | } | |
822 | if (!check_int(p, "numjobs", &td->numjobs)) { | |
823 | fgetpos(f, &off); | |
824 | continue; | |
825 | } | |
e9c047a0 JA |
826 | if (!check_int(p, "overwrite", &il)) { |
827 | td->overwrite = il; | |
ebac4655 JA |
828 | fgetpos(f, &off); |
829 | continue; | |
830 | } | |
a6ccc7be JA |
831 | if (!check_int(p, "rwmixcycle", &td->rwmixcycle)) { |
832 | fgetpos(f, &off); | |
833 | continue; | |
834 | } | |
835 | if (!check_int(p, "rwmixread", &il)) { | |
836 | if (il > 100) | |
837 | il = 100; | |
838 | td->rwmixread = il; | |
839 | fgetpos(f, &off); | |
840 | continue; | |
841 | } | |
842 | if (!check_int(p, "rwmixwrite", &il)) { | |
843 | if (il > 100) | |
844 | il = 100; | |
845 | td->rwmixread = 100 - il; | |
846 | fgetpos(f, &off); | |
847 | continue; | |
848 | } | |
b6f4d880 JA |
849 | if (!check_int(p, "nice", &td->nice)) { |
850 | fgetpos(f, &off); | |
851 | continue; | |
852 | } | |
53cdc686 JA |
853 | if (!check_int(p, "nrfiles", &td->nr_files)) { |
854 | fgetpos(f, &off); | |
855 | continue; | |
856 | } | |
906c8d75 | 857 | if (!check_range_bytes(p, "bsrange", &ul1, &ul2)) { |
ebac4655 JA |
858 | if (ul1 > ul2) { |
859 | td->max_bs = ul1; | |
860 | td->min_bs = ul2; | |
861 | } else { | |
862 | td->max_bs = ul2; | |
863 | td->min_bs = ul1; | |
864 | } | |
865 | fgetpos(f, &off); | |
866 | continue; | |
867 | } | |
906c8d75 | 868 | if (!check_str_bytes(p, "bs", &ull)) { |
ebac4655 JA |
869 | td->bs = ull; |
870 | fgetpos(f, &off); | |
871 | continue; | |
872 | } | |
53cdc686 | 873 | if (!check_str_bytes(p, "size", &td->total_file_size)) { |
ebac4655 JA |
874 | fgetpos(f, &off); |
875 | continue; | |
876 | } | |
53cdc686 | 877 | if (!check_str_bytes(p, "offset", &td->start_offset)) { |
ebac4655 | 878 | fgetpos(f, &off); |
20dc95c4 JA |
879 | continue; |
880 | } | |
906c8d75 | 881 | if (!check_str_bytes(p, "zonesize", &td->zone_size)) { |
20dc95c4 JA |
882 | fgetpos(f, &off); |
883 | continue; | |
884 | } | |
906c8d75 | 885 | if (!check_str_bytes(p, "zoneskip", &td->zone_skip)) { |
20dc95c4 | 886 | fgetpos(f, &off); |
ebac4655 JA |
887 | continue; |
888 | } | |
906c8d75 | 889 | if (!check_str_bytes(p, "lockmem", &mlock_size)) { |
c04f7ec3 JA |
890 | fgetpos(f, &off); |
891 | continue; | |
892 | } | |
ef899b63 JA |
893 | if (!check_strstore(p, "directory", tmpbuf)) { |
894 | td->directory = strdup(tmpbuf); | |
ebac4655 JA |
895 | fgetpos(f, &off); |
896 | continue; | |
897 | } | |
01452055 JA |
898 | if (!check_strstore(p, "name", tmpbuf)) { |
899 | snprintf(td->name, sizeof(td->name)-1, "%s%d", tmpbuf, td->thread_number); | |
900 | fgetpos(f, &off); | |
901 | continue; | |
902 | } | |
ebac4655 JA |
903 | if (!check_str(p, "mem", str_mem_cb, td)) { |
904 | fgetpos(f, &off); | |
905 | continue; | |
906 | } | |
907 | if (!check_str(p, "verify", str_verify_cb, td)) { | |
908 | fgetpos(f, &off); | |
909 | continue; | |
910 | } | |
911 | if (!check_str(p, "rw", str_rw_cb, td)) { | |
912 | fgetpos(f, &off); | |
913 | continue; | |
914 | } | |
915 | if (!check_str(p, "ioengine", str_ioengine_cb, td)) { | |
916 | fgetpos(f, &off); | |
917 | continue; | |
918 | } | |
ebac4655 JA |
919 | if (!check_strset(p, "exitall")) { |
920 | exitall_on_terminate = 1; | |
921 | fgetpos(f, &off); | |
922 | continue; | |
923 | } | |
924 | if (!check_strset(p, "stonewall")) { | |
925 | td->stonewall = 1; | |
926 | fgetpos(f, &off); | |
927 | continue; | |
928 | } | |
929 | if (!check_strset(p, "thread")) { | |
930 | td->use_thread = 1; | |
931 | fgetpos(f, &off); | |
932 | continue; | |
933 | } | |
f6cbb269 JA |
934 | if (!check_strset(p, "unlink")) { |
935 | td->unlink = 1; | |
936 | fgetpos(f, &off); | |
937 | continue; | |
938 | } | |
80b9feb0 | 939 | if (!check_strstore(p, "iolog", tmpbuf)) { |
4f693b9d | 940 | if (td->write_iolog) { |
3b70d7e5 | 941 | log_err("fio: read iolog overrides given write_iolog\n"); |
af8c0b4f | 942 | free(td->iolog_file); |
4f693b9d JA |
943 | td->write_iolog = 0; |
944 | } | |
80b9feb0 | 945 | td->iolog_file = strdup(tmpbuf); |
843a7413 | 946 | td->read_iolog = 1; |
843a7413 JA |
947 | fgetpos(f, &off); |
948 | continue; | |
949 | } | |
af8c0b4f JA |
950 | if (!check_strstore(p, "write_iolog", tmpbuf)) { |
951 | if (!td->read_iolog) { | |
952 | td->iolog_file = strdup(tmpbuf); | |
953 | td->write_iolog = 1; | |
4f693b9d | 954 | } else |
3b70d7e5 | 955 | log_err("fio: read iolog overrides given write_iolog\n"); |
aea47d44 JA |
956 | fgetpos(f, &off); |
957 | continue; | |
958 | } | |
80b9feb0 JA |
959 | if (!check_strstore(p, "exec_prerun", tmpbuf)) { |
960 | td->exec_prerun = strdup(tmpbuf); | |
4e0ba8af JA |
961 | fgetpos(f, &off); |
962 | continue; | |
963 | } | |
80b9feb0 JA |
964 | if (!check_strstore(p, "exec_postrun", tmpbuf)) { |
965 | td->exec_postrun = strdup(tmpbuf); | |
4e0ba8af JA |
966 | fgetpos(f, &off); |
967 | continue; | |
968 | } | |
80b9feb0 | 969 | if (!check_strstore(p, "ioscheduler", tmpbuf)) { |
22f78b32 | 970 | #ifndef FIO_HAVE_IOSCHED_SWITCH |
3b70d7e5 | 971 | log_err("io scheduler switching not available\n"); |
22f78b32 JA |
972 | ret = 1; |
973 | break; | |
974 | #else | |
80b9feb0 | 975 | td->ioscheduler = strdup(tmpbuf); |
da86774e JA |
976 | fgetpos(f, &off); |
977 | continue; | |
22f78b32 | 978 | #endif |
da86774e | 979 | } |
ebac4655 | 980 | |
45410acb JA |
981 | /* |
982 | * Don't break here, continue parsing options so we | |
983 | * dump all the bad ones. Makes trial/error fixups | |
984 | * easier on the user. | |
985 | */ | |
ebac4655 | 986 | printf("Client%d: bad option %s\n",td->thread_number,p); |
45410acb | 987 | ret = 1; |
ebac4655 | 988 | } |
ebac4655 | 989 | |
45410acb JA |
990 | if (!ret) { |
991 | fsetpos(f, &off); | |
992 | ret = add_job(td, name, 0); | |
993 | } | |
994 | if (ret) | |
995 | break; | |
ebac4655 JA |
996 | } |
997 | ||
998 | free(string); | |
999 | free(name); | |
ef899b63 | 1000 | free(tmpbuf); |
ebac4655 | 1001 | fclose(f); |
45410acb | 1002 | return ret; |
ebac4655 JA |
1003 | } |
1004 | ||
1005 | static int fill_def_thread(void) | |
1006 | { | |
1007 | memset(&def_thread, 0, sizeof(def_thread)); | |
1008 | ||
1009 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1010 | perror("sched_getaffinity"); | |
1011 | return 1; | |
1012 | } | |
1013 | ||
1014 | /* | |
1015 | * fill globals | |
1016 | */ | |
1017 | def_thread.ddir = DDIR_READ; | |
3d60d1ed | 1018 | def_thread.iomix = 0; |
9ebc27e1 | 1019 | def_thread.bs = DEF_BS; |
ebac4655 JA |
1020 | def_thread.min_bs = -1; |
1021 | def_thread.max_bs = -1; | |
9ebc27e1 | 1022 | def_thread.odirect = DEF_ODIRECT; |
ebac4655 | 1023 | def_thread.ratecycle = DEF_RATE_CYCLE; |
9ebc27e1 | 1024 | def_thread.sequential = DEF_SEQUENTIAL; |
972cfd25 | 1025 | def_thread.timeout = def_timeout; |
ebac4655 JA |
1026 | def_thread.overwrite = DEF_OVERWRITE; |
1027 | def_thread.invalidate_cache = DEF_INVALIDATE; | |
1028 | def_thread.sync_io = DEF_SYNCIO; | |
1029 | def_thread.mem_type = MEM_MALLOC; | |
1030 | def_thread.bw_avg_time = DEF_BWAVGTIME; | |
1031 | def_thread.create_serialize = DEF_CREATE_SER; | |
1032 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
1033 | def_thread.loops = DEF_LOOPS; | |
1034 | def_thread.verify = DEF_VERIFY; | |
1035 | def_thread.stonewall = DEF_STONEWALL; | |
1036 | def_thread.numjobs = DEF_NUMJOBS; | |
1037 | def_thread.use_thread = DEF_USE_THREAD; | |
a6ccc7be JA |
1038 | def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
1039 | def_thread.rwmixread = DEF_RWMIX_READ; | |
b6f4d880 | 1040 | def_thread.nice = DEF_NICE; |
9ebc27e1 | 1041 | def_thread.rand_repeatable = DEF_RAND_REPEAT; |
53cdc686 | 1042 | def_thread.nr_files = DEF_NR_FILES; |
f6cbb269 | 1043 | def_thread.unlink = DEF_UNLINK; |
ebac4655 JA |
1044 | #ifdef FIO_HAVE_DISK_UTIL |
1045 | def_thread.do_disk_util = 1; | |
1046 | #endif | |
1047 | ||
1048 | return 0; | |
1049 | } | |
1050 | ||
0ab8db89 | 1051 | static void usage(void) |
4785f995 JA |
1052 | { |
1053 | printf("%s\n", fio_version_string); | |
47623c72 | 1054 | printf("\t-o Write output to file\n"); |
4785f995 | 1055 | printf("\t-t Runtime in seconds\n"); |
4785f995 JA |
1056 | printf("\t-l Generate per-job latency logs\n"); |
1057 | printf("\t-w Generate per-job bandwidth logs\n"); | |
c6ae0a5b | 1058 | printf("\t-m Minimal (terse) output\n"); |
4785f995 JA |
1059 | printf("\t-v Print version info and exit\n"); |
1060 | } | |
1061 | ||
972cfd25 | 1062 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1063 | { |
972cfd25 | 1064 | int c, idx = 1, ini_idx = 0; |
ebac4655 | 1065 | |
2e77841b | 1066 | while ((c = getopt(argc, argv, "t:o:lwvhm")) != EOF) { |
ebac4655 | 1067 | switch (c) { |
ebac4655 | 1068 | case 't': |
972cfd25 | 1069 | def_timeout = atoi(optarg); |
774a6177 | 1070 | idx = optind; |
ebac4655 | 1071 | break; |
ebac4655 JA |
1072 | case 'l': |
1073 | write_lat_log = 1; | |
774a6177 | 1074 | idx = optind; |
ebac4655 JA |
1075 | break; |
1076 | case 'w': | |
1077 | write_bw_log = 1; | |
774a6177 | 1078 | idx = optind; |
ebac4655 | 1079 | break; |
9ebc27e1 | 1080 | case 'o': |
eb8bbf48 JA |
1081 | f_out = fopen(optarg, "w+"); |
1082 | if (!f_out) { | |
1083 | perror("fopen output"); | |
1084 | exit(1); | |
1085 | } | |
1086 | f_err = f_out; | |
774a6177 | 1087 | idx = optind; |
eb8bbf48 | 1088 | break; |
c6ae0a5b JA |
1089 | case 'm': |
1090 | terse_output = 1; | |
774a6177 | 1091 | idx = optind; |
c6ae0a5b | 1092 | break; |
4785f995 | 1093 | case 'h': |
0ab8db89 | 1094 | usage(); |
4785f995 | 1095 | exit(0); |
ebac4655 JA |
1096 | case 'v': |
1097 | printf("%s\n", fio_version_string); | |
1098 | exit(0); | |
1099 | } | |
1100 | } | |
c9fad893 | 1101 | |
972cfd25 JA |
1102 | while (idx < argc) { |
1103 | ini_idx++; | |
1104 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1105 | ini_file[ini_idx - 1] = strdup(argv[idx]); | |
1106 | idx++; | |
1107 | } | |
774a6177 | 1108 | |
eb8bbf48 JA |
1109 | if (!f_out) { |
1110 | f_out = stdout; | |
1111 | f_err = stderr; | |
1112 | } | |
972cfd25 JA |
1113 | |
1114 | return ini_idx; | |
ebac4655 JA |
1115 | } |
1116 | ||
1117 | static void free_shm(void) | |
1118 | { | |
1119 | struct shmid_ds sbuf; | |
1120 | ||
1121 | if (threads) { | |
2c0ecd28 | 1122 | shmdt((void *) threads); |
ebac4655 JA |
1123 | threads = NULL; |
1124 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1125 | } | |
1126 | } | |
1127 | ||
906c8d75 JA |
1128 | /* |
1129 | * The thread area is shared between the main process and the job | |
1130 | * threads/processes. So setup a shared memory segment that will hold | |
1131 | * all the job info. | |
1132 | */ | |
ebac4655 JA |
1133 | static int setup_thread_area(void) |
1134 | { | |
1135 | /* | |
1136 | * 1024 is too much on some machines, scale max_jobs if | |
1137 | * we get a failure that looks like too large a shm segment | |
1138 | */ | |
1139 | do { | |
906c8d75 | 1140 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1141 | |
906c8d75 | 1142 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1143 | if (shm_id != -1) |
1144 | break; | |
1145 | if (errno != EINVAL) { | |
1146 | perror("shmget"); | |
1147 | break; | |
1148 | } | |
1149 | ||
1150 | max_jobs >>= 1; | |
1151 | } while (max_jobs); | |
1152 | ||
1153 | if (shm_id == -1) | |
1154 | return 1; | |
1155 | ||
1156 | threads = shmat(shm_id, NULL, 0); | |
1157 | if (threads == (void *) -1) { | |
1158 | perror("shmat"); | |
1159 | return 1; | |
1160 | } | |
1161 | ||
1162 | atexit(free_shm); | |
1163 | return 0; | |
1164 | } | |
1165 | ||
1166 | int parse_options(int argc, char *argv[]) | |
1167 | { | |
972cfd25 JA |
1168 | int job_files, i; |
1169 | ||
ebac4655 JA |
1170 | if (setup_thread_area()) |
1171 | return 1; | |
1172 | if (fill_def_thread()) | |
1173 | return 1; | |
1174 | ||
972cfd25 JA |
1175 | job_files = parse_cmd_line(argc, argv); |
1176 | if (!job_files) { | |
1177 | log_err("Need job file(s)\n"); | |
0ab8db89 | 1178 | usage(); |
ebac4655 JA |
1179 | return 1; |
1180 | } | |
1181 | ||
972cfd25 JA |
1182 | for (i = 0; i < job_files; i++) { |
1183 | if (fill_def_thread()) | |
1184 | return 1; | |
0c7e37a0 | 1185 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1186 | return 1; |
88c6ed80 | 1187 | free(ini_file[i]); |
972cfd25 | 1188 | } |
ebac4655 | 1189 | |
88c6ed80 | 1190 | free(ini_file); |
ebac4655 JA |
1191 | return 0; |
1192 | } |