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) | |
31 | #define DEF_CREATE (1) | |
32 | #define DEF_INVALIDATE (1) | |
33 | #define DEF_SYNCIO (0) | |
34 | #define DEF_RANDSEED (0xb1899bedUL) | |
35 | #define DEF_BWAVGTIME (500) | |
36 | #define DEF_CREATE_SER (1) | |
ebac4655 | 37 | #define DEF_CREATE_FSYNC (1) |
20dc95c4 JA |
38 | #define DEF_LOOPS (1) |
39 | #define DEF_VERIFY (0) | |
40 | #define DEF_STONEWALL (0) | |
41 | #define DEF_NUMJOBS (1) | |
42 | #define DEF_USE_THREAD (0) | |
43 | #define DEF_FILE_SIZE (1024 * 1024 * 1024UL) | |
44 | #define DEF_ZONE_SIZE (0) | |
45 | #define DEF_ZONE_SKIP (0) | |
a6ccc7be JA |
46 | #define DEF_RWMIX_CYCLE (500) |
47 | #define DEF_RWMIX_READ (50) | |
b6f4d880 | 48 | #define DEF_NICE (0) |
53cdc686 | 49 | #define DEF_NR_FILES (1) |
f6cbb269 | 50 | #define DEF_UNLINK (0) |
ebac4655 | 51 | |
972cfd25 | 52 | static int def_timeout = DEF_TIMEOUT; |
972cfd25 | 53 | |
f4866ec5 | 54 | static char fio_version_string[] = "fio 1.5"; |
ebac4655 | 55 | |
972cfd25 | 56 | static char **ini_file; |
ebac4655 JA |
57 | static int max_jobs = MAX_JOBS; |
58 | ||
59 | struct thread_data def_thread; | |
60 | struct thread_data *threads = NULL; | |
61 | ||
62 | int rate_quit = 0; | |
63 | int write_lat_log = 0; | |
64 | int write_bw_log = 0; | |
65 | int exitall_on_terminate = 0; | |
c6ae0a5b | 66 | int terse_output = 0; |
c04f7ec3 | 67 | unsigned long long mlock_size = 0; |
eb8bbf48 JA |
68 | FILE *f_out = NULL; |
69 | FILE *f_err = NULL; | |
ebac4655 | 70 | |
906c8d75 JA |
71 | /* |
72 | * Return a free job structure. | |
73 | */ | |
ebac4655 JA |
74 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
75 | { | |
76 | struct thread_data *td; | |
77 | ||
78 | if (global) | |
79 | return &def_thread; | |
80 | if (thread_number >= max_jobs) | |
81 | return NULL; | |
82 | ||
83 | td = &threads[thread_number++]; | |
ddaeaa5a JA |
84 | *td = *parent; |
85 | td->name[0] = '\0'; | |
ebac4655 | 86 | |
ebac4655 | 87 | td->thread_number = thread_number; |
ebac4655 JA |
88 | return td; |
89 | } | |
90 | ||
91 | static void put_job(struct thread_data *td) | |
92 | { | |
93 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
94 | thread_number--; | |
95 | } | |
96 | ||
906c8d75 JA |
97 | /* |
98 | * Adds a job to the list of things todo. Sanitizes the various options | |
99 | * to make sure we don't have conflicts, and initializes various | |
100 | * members of td. | |
101 | */ | |
75154845 | 102 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 103 | { |
3d60d1ed JA |
104 | char *ddir_str[] = { "read", "write", "randread", "randwrite", |
105 | "rw", NULL, "randrw" }; | |
ebac4655 | 106 | struct stat sb; |
53cdc686 JA |
107 | int numjobs, ddir, i; |
108 | struct fio_file *f; | |
ebac4655 JA |
109 | |
110 | #ifndef FIO_HAVE_LIBAIO | |
111 | if (td->io_engine == FIO_LIBAIO) { | |
3b70d7e5 | 112 | log_err("Linux libaio not available\n"); |
ebac4655 JA |
113 | return 1; |
114 | } | |
115 | #endif | |
116 | #ifndef FIO_HAVE_POSIXAIO | |
117 | if (td->io_engine == FIO_POSIXAIO) { | |
3b70d7e5 | 118 | log_err("posix aio not available\n"); |
ebac4655 JA |
119 | return 1; |
120 | } | |
121 | #endif | |
ebac4655 JA |
122 | |
123 | /* | |
124 | * the def_thread is just for options, it's not a real job | |
125 | */ | |
126 | if (td == &def_thread) | |
127 | return 0; | |
128 | ||
df64119d JA |
129 | /* |
130 | * Set default io engine, if none set | |
131 | */ | |
132 | if (!td->io_ops) { | |
133 | td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME); | |
134 | if (!td->io_ops) { | |
135 | log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME); | |
136 | return 1; | |
137 | } | |
138 | } | |
139 | ||
2866c82d | 140 | if (td->io_ops->flags & FIO_SYNCIO) |
ebac4655 JA |
141 | td->iodepth = 1; |
142 | else { | |
143 | if (!td->iodepth) | |
144 | td->iodepth = 1; | |
145 | } | |
146 | ||
20dc95c4 | 147 | /* |
53cdc686 | 148 | * only really works for sequential io for now, and with 1 file |
20dc95c4 | 149 | */ |
53cdc686 | 150 | if (td->zone_size && !td->sequential && td->nr_files == 1) |
20dc95c4 JA |
151 | td->zone_size = 0; |
152 | ||
9cc935a1 JA |
153 | /* |
154 | * Reads can do overwrites, we always need to pre-create the file | |
155 | */ | |
156 | if (td_read(td) || td_rw(td)) | |
157 | td->overwrite = 1; | |
158 | ||
ebac4655 | 159 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
160 | if (!stat(jobname, &sb)) { |
161 | if (S_ISBLK(sb.st_mode)) | |
162 | td->filetype = FIO_TYPE_BD; | |
163 | else if (S_ISCHR(sb.st_mode)) | |
164 | td->filetype = FIO_TYPE_CHAR; | |
165 | } | |
ebac4655 | 166 | |
b2a15192 JA |
167 | if (td->odirect) |
168 | td->io_ops->flags |= FIO_RAWIO; | |
169 | ||
ebac4655 | 170 | if (td->filetype == FIO_TYPE_FILE) { |
e9c047a0 | 171 | char tmp[PATH_MAX]; |
53cdc686 JA |
172 | int len = 0; |
173 | int i; | |
e9c047a0 | 174 | |
ef899b63 | 175 | if (td->directory && td->directory[0] != '\0') |
53cdc686 | 176 | sprintf(tmp, "%s/", td->directory); |
ebac4655 | 177 | |
53cdc686 JA |
178 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
179 | ||
180 | for_each_file(td, f, i) { | |
181 | memset(f, 0, sizeof(*f)); | |
182 | f->fd = -1; | |
b2a15192 | 183 | f->fileno = i; |
53cdc686 JA |
184 | |
185 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
186 | f->file_name = strdup(tmp); | |
187 | } | |
188 | } else { | |
189 | td->nr_files = 1; | |
190 | td->files = malloc(sizeof(struct fio_file)); | |
191 | f = &td->files[0]; | |
192 | ||
193 | memset(f, 0, sizeof(*f)); | |
194 | f->fd = -1; | |
195 | f->file_name = strdup(jobname); | |
196 | } | |
197 | ||
198 | for_each_file(td, f, i) { | |
199 | f->file_size = td->total_file_size / td->nr_files; | |
200 | f->file_offset = td->start_offset; | |
201 | } | |
202 | ||
bbfd6b00 | 203 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
204 | |
205 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
206 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
207 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
208 | ||
209 | if (td->min_bs == -1U) | |
210 | td->min_bs = td->bs; | |
211 | if (td->max_bs == -1U) | |
212 | td->max_bs = td->bs; | |
3d60d1ed | 213 | if (td_read(td) && !td_rw(td)) |
ebac4655 JA |
214 | td->verify = 0; |
215 | ||
216 | if (td->stonewall && td->thread_number > 1) | |
217 | groupid++; | |
218 | ||
219 | td->groupid = groupid; | |
220 | ||
221 | if (setup_rate(td)) | |
222 | goto err; | |
223 | ||
224 | if (write_lat_log) { | |
225 | setup_log(&td->slat_log); | |
226 | setup_log(&td->clat_log); | |
227 | } | |
228 | if (write_bw_log) | |
229 | setup_log(&td->bw_log); | |
230 | ||
01452055 JA |
231 | if (td->name[0] == '\0') |
232 | snprintf(td->name, sizeof(td->name)-1, "client%d", td->thread_number); | |
233 | ||
3d60d1ed | 234 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 235 | |
c6ae0a5b | 236 | if (!terse_output) { |
b990b5c0 | 237 | if (!job_add_num) { |
2866c82d | 238 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
239 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
240 | else | |
2866c82d | 241 | 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 | 242 | } else if (job_add_num == 1) |
c6ae0a5b JA |
243 | fprintf(f_out, "...\n"); |
244 | } | |
ebac4655 JA |
245 | |
246 | /* | |
247 | * recurse add identical jobs, clear numjobs and stonewall options | |
248 | * as they don't apply to sub-jobs | |
249 | */ | |
250 | numjobs = td->numjobs; | |
251 | while (--numjobs) { | |
252 | struct thread_data *td_new = get_new_job(0, td); | |
253 | ||
254 | if (!td_new) | |
255 | goto err; | |
256 | ||
257 | td_new->numjobs = 1; | |
258 | td_new->stonewall = 0; | |
75154845 | 259 | job_add_num = numjobs - 1; |
ebac4655 | 260 | |
75154845 | 261 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
262 | goto err; |
263 | } | |
264 | return 0; | |
265 | err: | |
266 | put_job(td); | |
267 | return -1; | |
268 | } | |
269 | ||
906c8d75 JA |
270 | /* |
271 | * Initialize the various random states we need (random io, block size ranges, | |
272 | * read/write mix, etc). | |
273 | */ | |
ebac4655 JA |
274 | int init_random_state(struct thread_data *td) |
275 | { | |
a6ccc7be | 276 | unsigned long seeds[4]; |
53cdc686 | 277 | int fd, num_maps, blocks, i; |
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 | |
53cdc686 JA |
303 | for (i = 0; i < td->nr_files; i++) { |
304 | struct fio_file *f = &td->files[i]; | |
305 | ||
306 | blocks = (f->file_size + td->min_bs - 1) / td->min_bs; | |
307 | num_maps = blocks / BLOCKS_PER_MAP; | |
308 | f->file_map = malloc(num_maps * sizeof(long)); | |
309 | f->num_maps = num_maps; | |
310 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
311 | } | |
ebac4655 | 312 | |
6dfd46b9 | 313 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
314 | return 0; |
315 | } | |
316 | ||
317 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
318 | { | |
319 | #ifdef FIO_HAVE_CPU_AFFINITY | |
320 | unsigned int i; | |
321 | ||
322 | CPU_ZERO(&cpumask); | |
323 | ||
324 | for (i = 0; i < sizeof(int) * 8; i++) { | |
325 | if ((1 << i) & cpu) | |
326 | CPU_SET(i, &cpumask); | |
327 | } | |
328 | #endif | |
329 | } | |
330 | ||
906c8d75 JA |
331 | static unsigned long get_mult_time(char c) |
332 | { | |
333 | switch (c) { | |
334 | case 'm': | |
335 | case 'M': | |
336 | return 60; | |
337 | case 'h': | |
338 | case 'H': | |
339 | return 60 * 60; | |
340 | case 'd': | |
341 | case 'D': | |
342 | return 24 * 60 * 60; | |
343 | default: | |
344 | return 1; | |
345 | } | |
346 | } | |
347 | ||
348 | static unsigned long get_mult_bytes(char c) | |
ebac4655 JA |
349 | { |
350 | switch (c) { | |
351 | case 'k': | |
352 | case 'K': | |
353 | return 1024; | |
354 | case 'm': | |
355 | case 'M': | |
356 | return 1024 * 1024; | |
357 | case 'g': | |
358 | case 'G': | |
359 | return 1024 * 1024 * 1024; | |
360 | default: | |
361 | return 1; | |
362 | } | |
363 | } | |
364 | ||
365 | /* | |
366 | * convert string after '=' into decimal value, noting any size suffix | |
367 | */ | |
906c8d75 | 368 | static int str_to_decimal(char *p, unsigned long long *val, int kilo) |
ebac4655 JA |
369 | { |
370 | char *str; | |
371 | int len; | |
372 | ||
f5d3e5ec | 373 | str = strchr(p, '='); |
ebac4655 JA |
374 | if (!str) |
375 | return 1; | |
376 | ||
377 | str++; | |
378 | len = strlen(str); | |
379 | ||
380 | *val = strtoul(str, NULL, 10); | |
381 | if (*val == ULONG_MAX && errno == ERANGE) | |
382 | return 1; | |
383 | ||
906c8d75 JA |
384 | if (kilo) |
385 | *val *= get_mult_bytes(str[len - 1]); | |
386 | else | |
387 | *val *= get_mult_time(str[len - 1]); | |
ebac4655 JA |
388 | return 0; |
389 | } | |
390 | ||
906c8d75 | 391 | static int check_str_bytes(char *p, char *name, unsigned long long *val) |
ebac4655 | 392 | { |
20dc95c4 | 393 | if (strncmp(p, name, strlen(name) - 1)) |
ebac4655 JA |
394 | return 1; |
395 | ||
906c8d75 JA |
396 | return str_to_decimal(p, val, 1); |
397 | } | |
398 | ||
399 | static int check_str_time(char *p, char *name, unsigned long long *val) | |
400 | { | |
401 | if (strncmp(p, name, strlen(name) - 1)) | |
402 | return 1; | |
403 | ||
404 | return str_to_decimal(p, val, 0); | |
ebac4655 JA |
405 | } |
406 | ||
407 | static void strip_blank_front(char **p) | |
408 | { | |
409 | char *s = *p; | |
410 | ||
4ae3f763 | 411 | while (isspace(*s)) |
ebac4655 JA |
412 | s++; |
413 | } | |
414 | ||
415 | static void strip_blank_end(char *p) | |
416 | { | |
4ae3f763 | 417 | char *s = p + strlen(p) - 1; |
ebac4655 | 418 | |
4ae3f763 JA |
419 | while (isspace(*s) || iscntrl(*s)) |
420 | s--; | |
aea47d44 | 421 | |
4ae3f763 | 422 | *(s + 1) = '\0'; |
aea47d44 JA |
423 | } |
424 | ||
ebac4655 JA |
425 | typedef int (str_cb_fn)(struct thread_data *, char *); |
426 | ||
427 | static int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td) | |
428 | { | |
843a7413 | 429 | char *s; |
ebac4655 | 430 | |
843a7413 JA |
431 | if (strncmp(p, name, strlen(name))) |
432 | return 1; | |
433 | ||
434 | s = strstr(p, name); | |
ebac4655 JA |
435 | if (!s) |
436 | return 1; | |
437 | ||
f5d3e5ec | 438 | s = strchr(s, '='); |
ebac4655 JA |
439 | if (!s) |
440 | return 1; | |
441 | ||
442 | s++; | |
443 | strip_blank_front(&s); | |
444 | return cb(td, s); | |
445 | } | |
446 | ||
447 | static int check_strstore(char *p, char *name, char *dest) | |
448 | { | |
843a7413 | 449 | char *s; |
ebac4655 | 450 | |
843a7413 JA |
451 | if (strncmp(p, name, strlen(name))) |
452 | return 1; | |
453 | ||
454 | s = strstr(p, name); | |
ebac4655 JA |
455 | if (!s) |
456 | return 1; | |
457 | ||
f5d3e5ec | 458 | s = strchr(p, '='); |
ebac4655 JA |
459 | if (!s) |
460 | return 1; | |
461 | ||
462 | s++; | |
463 | strip_blank_front(&s); | |
464 | ||
465 | strcpy(dest, s); | |
ebac4655 JA |
466 | return 0; |
467 | } | |
468 | ||
906c8d75 | 469 | static int __check_range_bytes(char *str, unsigned long *val) |
ebac4655 | 470 | { |
01617be6 | 471 | char suffix; |
ebac4655 | 472 | |
01617be6 | 473 | if (sscanf(str, "%lu%c", val, &suffix) == 2) { |
906c8d75 | 474 | *val *= get_mult_bytes(suffix); |
ebac4655 JA |
475 | return 0; |
476 | } | |
477 | ||
01617be6 | 478 | if (sscanf(str, "%lu", val) == 1) |
ebac4655 | 479 | return 0; |
ebac4655 | 480 | |
01617be6 JA |
481 | return 1; |
482 | } | |
483 | ||
906c8d75 JA |
484 | static int check_range_bytes(char *p, char *name, unsigned long *s, |
485 | unsigned long *e) | |
01617be6 JA |
486 | { |
487 | char option[128]; | |
488 | char *str, *p1, *p2; | |
489 | ||
843a7413 JA |
490 | if (strncmp(p, name, strlen(name))) |
491 | return 1; | |
492 | ||
01617be6 JA |
493 | strcpy(option, p); |
494 | p = option; | |
495 | ||
496 | str = strstr(p, name); | |
497 | if (!str) | |
498 | return 1; | |
ebac4655 | 499 | |
01617be6 JA |
500 | p += strlen(name); |
501 | ||
502 | str = strchr(p, '='); | |
503 | if (!str) | |
504 | return 1; | |
505 | ||
506 | /* | |
507 | * 'p' now holds whatever is after the '=' sign | |
508 | */ | |
509 | p1 = str + 1; | |
510 | ||
511 | /* | |
512 | * terminate p1 at the '-' sign | |
513 | */ | |
514 | p = strchr(p1, '-'); | |
515 | if (!p) | |
516 | return 1; | |
517 | ||
518 | p2 = p + 1; | |
519 | *p = '\0'; | |
520 | ||
906c8d75 | 521 | if (!__check_range_bytes(p1, s) && !__check_range_bytes(p2, e)) |
ebac4655 JA |
522 | return 0; |
523 | ||
524 | return 1; | |
ebac4655 JA |
525 | } |
526 | ||
527 | static int check_int(char *p, char *name, unsigned int *val) | |
528 | { | |
f5d3e5ec | 529 | char *str; |
ebac4655 | 530 | |
b6754f9d JA |
531 | if (strncmp(p, name, strlen(name))) |
532 | return 1; | |
533 | ||
f5d3e5ec JA |
534 | str = strstr(p, name); |
535 | if (!str) | |
536 | return 1; | |
537 | ||
538 | str = strchr(p, '='); | |
539 | if (!str) | |
540 | return 1; | |
541 | ||
542 | str++; | |
ebac4655 | 543 | |
f5d3e5ec | 544 | if (sscanf(str, "%u", val) == 1) |
ebac4655 JA |
545 | return 0; |
546 | ||
547 | return 1; | |
548 | } | |
549 | ||
550 | static int check_strset(char *p, char *name) | |
551 | { | |
552 | return strncmp(p, name, strlen(name)); | |
553 | } | |
554 | ||
555 | static int is_empty_or_comment(char *line) | |
556 | { | |
557 | unsigned int i; | |
558 | ||
559 | for (i = 0; i < strlen(line); i++) { | |
560 | if (line[i] == ';') | |
561 | return 1; | |
562 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
563 | return 0; | |
564 | } | |
565 | ||
566 | return 1; | |
567 | } | |
568 | ||
569 | static int str_rw_cb(struct thread_data *td, char *mem) | |
570 | { | |
571 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { | |
572 | td->ddir = DDIR_READ; | |
573 | td->sequential = 1; | |
574 | return 0; | |
575 | } else if (!strncmp(mem, "randread", 8)) { | |
576 | td->ddir = DDIR_READ; | |
577 | td->sequential = 0; | |
578 | return 0; | |
579 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
580 | td->ddir = DDIR_WRITE; | |
581 | td->sequential = 1; | |
582 | return 0; | |
583 | } else if (!strncmp(mem, "randwrite", 9)) { | |
584 | td->ddir = DDIR_WRITE; | |
585 | td->sequential = 0; | |
586 | return 0; | |
3d60d1ed JA |
587 | } else if (!strncmp(mem, "rw", 2)) { |
588 | td->ddir = 0; | |
589 | td->iomix = 1; | |
590 | td->sequential = 1; | |
591 | return 0; | |
592 | } else if (!strncmp(mem, "randrw", 6)) { | |
593 | td->ddir = 0; | |
594 | td->iomix = 1; | |
595 | td->sequential = 0; | |
596 | return 0; | |
ebac4655 JA |
597 | } |
598 | ||
3b70d7e5 | 599 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
600 | return 1; |
601 | } | |
602 | ||
603 | static int str_verify_cb(struct thread_data *td, char *mem) | |
604 | { | |
605 | if (!strncmp(mem, "0", 1)) { | |
606 | td->verify = VERIFY_NONE; | |
607 | return 0; | |
608 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
609 | td->verify = VERIFY_MD5; | |
610 | return 0; | |
611 | } else if (!strncmp(mem, "crc32", 5)) { | |
612 | td->verify = VERIFY_CRC32; | |
613 | return 0; | |
614 | } | |
615 | ||
3b70d7e5 | 616 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
617 | return 1; |
618 | } | |
619 | ||
620 | static int str_mem_cb(struct thread_data *td, char *mem) | |
621 | { | |
622 | if (!strncmp(mem, "malloc", 6)) { | |
623 | td->mem_type = MEM_MALLOC; | |
624 | return 0; | |
625 | } else if (!strncmp(mem, "shm", 3)) { | |
626 | td->mem_type = MEM_SHM; | |
627 | return 0; | |
628 | } else if (!strncmp(mem, "mmap", 4)) { | |
629 | td->mem_type = MEM_MMAP; | |
630 | return 0; | |
631 | } | |
632 | ||
3b70d7e5 | 633 | log_err("fio: mem type: malloc, shm, mmap\n"); |
ebac4655 JA |
634 | return 1; |
635 | } | |
636 | ||
637 | static int str_ioengine_cb(struct thread_data *td, char *str) | |
638 | { | |
2866c82d JA |
639 | td->io_ops = load_ioengine(td, str); |
640 | if (td->io_ops) | |
b990b5c0 | 641 | return 0; |
ebac4655 | 642 | |
b990b5c0 | 643 | log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n"); |
ebac4655 JA |
644 | return 1; |
645 | } | |
646 | ||
07261983 JA |
647 | /* |
648 | * This is our [ini] type file parser. | |
649 | */ | |
0c7e37a0 | 650 | int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 651 | { |
a6ccc7be | 652 | unsigned int prioclass, prio, cpu, global, il; |
ebac4655 JA |
653 | unsigned long long ull; |
654 | unsigned long ul1, ul2; | |
655 | struct thread_data *td; | |
ef899b63 | 656 | char *string, *name, *tmpbuf; |
ebac4655 JA |
657 | fpos_t off; |
658 | FILE *f; | |
659 | char *p; | |
0c7e37a0 | 660 | int ret = 0, stonewall; |
ebac4655 JA |
661 | |
662 | f = fopen(file, "r"); | |
663 | if (!f) { | |
aea47d44 | 664 | perror("fopen job file"); |
ebac4655 JA |
665 | return 1; |
666 | } | |
667 | ||
668 | string = malloc(4096); | |
669 | name = malloc(256); | |
ef899b63 | 670 | tmpbuf = malloc(4096); |
ebac4655 | 671 | |
0c7e37a0 | 672 | stonewall = stonewall_flag; |
ebac4655 | 673 | while ((p = fgets(string, 4096, f)) != NULL) { |
45410acb JA |
674 | if (ret) |
675 | break; | |
ebac4655 JA |
676 | if (is_empty_or_comment(p)) |
677 | continue; | |
678 | if (sscanf(p, "[%s]", name) != 1) | |
679 | continue; | |
680 | ||
681 | global = !strncmp(name, "global", 6); | |
682 | ||
683 | name[strlen(name) - 1] = '\0'; | |
684 | ||
685 | td = get_new_job(global, &def_thread); | |
45410acb JA |
686 | if (!td) { |
687 | ret = 1; | |
688 | break; | |
689 | } | |
ebac4655 | 690 | |
972cfd25 JA |
691 | /* |
692 | * Seperate multiple job files by a stonewall | |
693 | */ | |
f9481919 | 694 | if (!global && stonewall) { |
972cfd25 JA |
695 | td->stonewall = stonewall; |
696 | stonewall = 0; | |
697 | } | |
698 | ||
ebac4655 JA |
699 | fgetpos(f, &off); |
700 | while ((p = fgets(string, 4096, f)) != NULL) { | |
701 | if (is_empty_or_comment(p)) | |
702 | continue; | |
703 | if (strstr(p, "[")) | |
704 | break; | |
b6754f9d | 705 | strip_blank_front(&p); |
4ae3f763 | 706 | strip_blank_end(p); |
aea47d44 | 707 | |
ebac4655 JA |
708 | if (!check_int(p, "prio", &prio)) { |
709 | #ifndef FIO_HAVE_IOPRIO | |
3b70d7e5 | 710 | log_err("io priorities not available\n"); |
45410acb JA |
711 | ret = 1; |
712 | break; | |
ebac4655 | 713 | #endif |
8756e4d4 | 714 | td->ioprio |= prio; |
ebac4655 JA |
715 | fgetpos(f, &off); |
716 | continue; | |
717 | } | |
718 | if (!check_int(p, "prioclass", &prioclass)) { | |
719 | #ifndef FIO_HAVE_IOPRIO | |
3b70d7e5 | 720 | log_err("io priorities not available\n"); |
45410acb JA |
721 | ret = 1; |
722 | break; | |
5c4e1dbc | 723 | #else |
8756e4d4 | 724 | td->ioprio |= prioclass << IOPRIO_CLASS_SHIFT; |
ebac4655 JA |
725 | fgetpos(f, &off); |
726 | continue; | |
5c4e1dbc | 727 | #endif |
ebac4655 | 728 | } |
e9c047a0 JA |
729 | if (!check_int(p, "direct", &il)) { |
730 | td->odirect = il; | |
ebac4655 JA |
731 | fgetpos(f, &off); |
732 | continue; | |
733 | } | |
9ebc27e1 JA |
734 | if (!check_int(p, "rand_repeatable", &il)) { |
735 | td->rand_repeatable = il; | |
736 | fgetpos(f, &off); | |
737 | continue; | |
738 | } | |
ebac4655 JA |
739 | if (!check_int(p, "rate", &td->rate)) { |
740 | fgetpos(f, &off); | |
741 | continue; | |
742 | } | |
743 | if (!check_int(p, "ratemin", &td->ratemin)) { | |
744 | fgetpos(f, &off); | |
745 | continue; | |
746 | } | |
747 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
748 | fgetpos(f, &off); | |
749 | continue; | |
750 | } | |
b990b5c0 JA |
751 | if (!check_int(p, "cpuload", &td->cpuload)) { |
752 | fgetpos(f, &off); | |
753 | continue; | |
754 | } | |
755 | if (!check_int(p, "cpuchunks", &td->cpucycle)) { | |
756 | fgetpos(f, &off); | |
757 | continue; | |
758 | } | |
ebac4655 JA |
759 | if (!check_int(p, "thinktime", &td->thinktime)) { |
760 | fgetpos(f, &off); | |
761 | continue; | |
762 | } | |
763 | if (!check_int(p, "cpumask", &cpu)) { | |
764 | #ifndef FIO_HAVE_CPU_AFFINITY | |
3b70d7e5 | 765 | log_err("cpu affinity not available\n"); |
45410acb JA |
766 | ret = 1; |
767 | break; | |
ebac4655 JA |
768 | #endif |
769 | fill_cpu_mask(td->cpumask, cpu); | |
770 | fgetpos(f, &off); | |
771 | continue; | |
772 | } | |
773 | if (!check_int(p, "fsync", &td->fsync_blocks)) { | |
774 | fgetpos(f, &off); | |
fc1a4713 | 775 | td->end_fsync = 1; |
ebac4655 JA |
776 | continue; |
777 | } | |
778 | if (!check_int(p, "startdelay", &td->start_delay)) { | |
779 | fgetpos(f, &off); | |
780 | continue; | |
781 | } | |
906c8d75 | 782 | if (!check_str_time(p, "timeout", &ull)) { |
af959a78 | 783 | td->timeout = ull; |
ebac4655 JA |
784 | fgetpos(f, &off); |
785 | continue; | |
786 | } | |
e9c047a0 JA |
787 | if (!check_int(p, "invalidate", &il)) { |
788 | td->invalidate_cache = il; | |
ebac4655 JA |
789 | fgetpos(f, &off); |
790 | continue; | |
791 | } | |
792 | if (!check_int(p, "iodepth", &td->iodepth)) { | |
793 | fgetpos(f, &off); | |
794 | continue; | |
795 | } | |
e9c047a0 JA |
796 | if (!check_int(p, "sync", &il)) { |
797 | td->sync_io = il; | |
ebac4655 JA |
798 | fgetpos(f, &off); |
799 | continue; | |
800 | } | |
801 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { | |
802 | fgetpos(f, &off); | |
803 | continue; | |
804 | } | |
e9c047a0 JA |
805 | if (!check_int(p, "create_serialize", &il)) { |
806 | td->create_serialize = il; | |
ebac4655 JA |
807 | fgetpos(f, &off); |
808 | continue; | |
809 | } | |
e9c047a0 JA |
810 | if (!check_int(p, "create_fsync", &il)) { |
811 | td->create_fsync = il; | |
ebac4655 JA |
812 | fgetpos(f, &off); |
813 | continue; | |
814 | } | |
e9c047a0 JA |
815 | if (!check_int(p, "end_fsync", &il)) { |
816 | td->end_fsync = il; | |
fc1a4713 JA |
817 | fgetpos(f, &off); |
818 | continue; | |
819 | } | |
ebac4655 JA |
820 | if (!check_int(p, "loops", &td->loops)) { |
821 | fgetpos(f, &off); | |
822 | continue; | |
823 | } | |
824 | if (!check_int(p, "numjobs", &td->numjobs)) { | |
825 | fgetpos(f, &off); | |
826 | continue; | |
827 | } | |
e9c047a0 JA |
828 | if (!check_int(p, "overwrite", &il)) { |
829 | td->overwrite = il; | |
ebac4655 JA |
830 | fgetpos(f, &off); |
831 | continue; | |
832 | } | |
a6ccc7be JA |
833 | if (!check_int(p, "rwmixcycle", &td->rwmixcycle)) { |
834 | fgetpos(f, &off); | |
835 | continue; | |
836 | } | |
837 | if (!check_int(p, "rwmixread", &il)) { | |
838 | if (il > 100) | |
839 | il = 100; | |
840 | td->rwmixread = il; | |
841 | fgetpos(f, &off); | |
842 | continue; | |
843 | } | |
844 | if (!check_int(p, "rwmixwrite", &il)) { | |
845 | if (il > 100) | |
846 | il = 100; | |
847 | td->rwmixread = 100 - il; | |
848 | fgetpos(f, &off); | |
849 | continue; | |
850 | } | |
b6f4d880 JA |
851 | if (!check_int(p, "nice", &td->nice)) { |
852 | fgetpos(f, &off); | |
853 | continue; | |
854 | } | |
53cdc686 JA |
855 | if (!check_int(p, "nrfiles", &td->nr_files)) { |
856 | fgetpos(f, &off); | |
857 | continue; | |
858 | } | |
906c8d75 | 859 | if (!check_range_bytes(p, "bsrange", &ul1, &ul2)) { |
ebac4655 JA |
860 | if (ul1 > ul2) { |
861 | td->max_bs = ul1; | |
862 | td->min_bs = ul2; | |
863 | } else { | |
864 | td->max_bs = ul2; | |
865 | td->min_bs = ul1; | |
866 | } | |
867 | fgetpos(f, &off); | |
868 | continue; | |
869 | } | |
906c8d75 | 870 | if (!check_str_bytes(p, "bs", &ull)) { |
ebac4655 JA |
871 | td->bs = ull; |
872 | fgetpos(f, &off); | |
873 | continue; | |
874 | } | |
53cdc686 | 875 | if (!check_str_bytes(p, "size", &td->total_file_size)) { |
ebac4655 JA |
876 | fgetpos(f, &off); |
877 | continue; | |
878 | } | |
53cdc686 | 879 | if (!check_str_bytes(p, "offset", &td->start_offset)) { |
ebac4655 | 880 | fgetpos(f, &off); |
20dc95c4 JA |
881 | continue; |
882 | } | |
906c8d75 | 883 | if (!check_str_bytes(p, "zonesize", &td->zone_size)) { |
20dc95c4 JA |
884 | fgetpos(f, &off); |
885 | continue; | |
886 | } | |
906c8d75 | 887 | if (!check_str_bytes(p, "zoneskip", &td->zone_skip)) { |
20dc95c4 | 888 | fgetpos(f, &off); |
ebac4655 JA |
889 | continue; |
890 | } | |
906c8d75 | 891 | if (!check_str_bytes(p, "lockmem", &mlock_size)) { |
c04f7ec3 JA |
892 | fgetpos(f, &off); |
893 | continue; | |
894 | } | |
ef899b63 JA |
895 | if (!check_strstore(p, "directory", tmpbuf)) { |
896 | td->directory = strdup(tmpbuf); | |
ebac4655 JA |
897 | fgetpos(f, &off); |
898 | continue; | |
899 | } | |
01452055 JA |
900 | if (!check_strstore(p, "name", tmpbuf)) { |
901 | snprintf(td->name, sizeof(td->name)-1, "%s%d", tmpbuf, td->thread_number); | |
902 | fgetpos(f, &off); | |
903 | continue; | |
904 | } | |
ebac4655 JA |
905 | if (!check_str(p, "mem", str_mem_cb, td)) { |
906 | fgetpos(f, &off); | |
907 | continue; | |
908 | } | |
909 | if (!check_str(p, "verify", str_verify_cb, td)) { | |
910 | fgetpos(f, &off); | |
911 | continue; | |
912 | } | |
913 | if (!check_str(p, "rw", str_rw_cb, td)) { | |
914 | fgetpos(f, &off); | |
915 | continue; | |
916 | } | |
917 | if (!check_str(p, "ioengine", str_ioengine_cb, td)) { | |
918 | fgetpos(f, &off); | |
919 | continue; | |
920 | } | |
921 | if (!check_strset(p, "create")) { | |
922 | td->create_file = 1; | |
923 | fgetpos(f, &off); | |
924 | continue; | |
925 | } | |
926 | if (!check_strset(p, "exitall")) { | |
927 | exitall_on_terminate = 1; | |
928 | fgetpos(f, &off); | |
929 | continue; | |
930 | } | |
931 | if (!check_strset(p, "stonewall")) { | |
932 | td->stonewall = 1; | |
933 | fgetpos(f, &off); | |
934 | continue; | |
935 | } | |
936 | if (!check_strset(p, "thread")) { | |
937 | td->use_thread = 1; | |
938 | fgetpos(f, &off); | |
939 | continue; | |
940 | } | |
f6cbb269 JA |
941 | if (!check_strset(p, "unlink")) { |
942 | td->unlink = 1; | |
943 | fgetpos(f, &off); | |
944 | continue; | |
945 | } | |
80b9feb0 | 946 | if (!check_strstore(p, "iolog", tmpbuf)) { |
4f693b9d | 947 | if (td->write_iolog) { |
3b70d7e5 | 948 | log_err("fio: read iolog overrides given write_iolog\n"); |
af8c0b4f | 949 | free(td->iolog_file); |
4f693b9d JA |
950 | td->write_iolog = 0; |
951 | } | |
80b9feb0 | 952 | td->iolog_file = strdup(tmpbuf); |
843a7413 | 953 | td->read_iolog = 1; |
843a7413 JA |
954 | fgetpos(f, &off); |
955 | continue; | |
956 | } | |
af8c0b4f JA |
957 | if (!check_strstore(p, "write_iolog", tmpbuf)) { |
958 | if (!td->read_iolog) { | |
959 | td->iolog_file = strdup(tmpbuf); | |
960 | td->write_iolog = 1; | |
4f693b9d | 961 | } else |
3b70d7e5 | 962 | log_err("fio: read iolog overrides given write_iolog\n"); |
aea47d44 JA |
963 | fgetpos(f, &off); |
964 | continue; | |
965 | } | |
80b9feb0 JA |
966 | if (!check_strstore(p, "exec_prerun", tmpbuf)) { |
967 | td->exec_prerun = strdup(tmpbuf); | |
4e0ba8af JA |
968 | fgetpos(f, &off); |
969 | continue; | |
970 | } | |
80b9feb0 JA |
971 | if (!check_strstore(p, "exec_postrun", tmpbuf)) { |
972 | td->exec_postrun = strdup(tmpbuf); | |
4e0ba8af JA |
973 | fgetpos(f, &off); |
974 | continue; | |
975 | } | |
80b9feb0 | 976 | if (!check_strstore(p, "ioscheduler", tmpbuf)) { |
22f78b32 | 977 | #ifndef FIO_HAVE_IOSCHED_SWITCH |
3b70d7e5 | 978 | log_err("io scheduler switching not available\n"); |
22f78b32 JA |
979 | ret = 1; |
980 | break; | |
981 | #else | |
80b9feb0 | 982 | td->ioscheduler = strdup(tmpbuf); |
da86774e JA |
983 | fgetpos(f, &off); |
984 | continue; | |
22f78b32 | 985 | #endif |
da86774e | 986 | } |
ebac4655 | 987 | |
45410acb JA |
988 | /* |
989 | * Don't break here, continue parsing options so we | |
990 | * dump all the bad ones. Makes trial/error fixups | |
991 | * easier on the user. | |
992 | */ | |
ebac4655 | 993 | printf("Client%d: bad option %s\n",td->thread_number,p); |
45410acb | 994 | ret = 1; |
ebac4655 | 995 | } |
ebac4655 | 996 | |
45410acb JA |
997 | if (!ret) { |
998 | fsetpos(f, &off); | |
999 | ret = add_job(td, name, 0); | |
1000 | } | |
1001 | if (ret) | |
1002 | break; | |
ebac4655 JA |
1003 | } |
1004 | ||
1005 | free(string); | |
1006 | free(name); | |
ef899b63 | 1007 | free(tmpbuf); |
ebac4655 | 1008 | fclose(f); |
45410acb | 1009 | return ret; |
ebac4655 JA |
1010 | } |
1011 | ||
1012 | static int fill_def_thread(void) | |
1013 | { | |
1014 | memset(&def_thread, 0, sizeof(def_thread)); | |
1015 | ||
1016 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1017 | perror("sched_getaffinity"); | |
1018 | return 1; | |
1019 | } | |
1020 | ||
1021 | /* | |
1022 | * fill globals | |
1023 | */ | |
1024 | def_thread.ddir = DDIR_READ; | |
3d60d1ed | 1025 | def_thread.iomix = 0; |
9ebc27e1 | 1026 | def_thread.bs = DEF_BS; |
ebac4655 JA |
1027 | def_thread.min_bs = -1; |
1028 | def_thread.max_bs = -1; | |
9ebc27e1 | 1029 | def_thread.odirect = DEF_ODIRECT; |
ebac4655 | 1030 | def_thread.ratecycle = DEF_RATE_CYCLE; |
9ebc27e1 | 1031 | def_thread.sequential = DEF_SEQUENTIAL; |
972cfd25 | 1032 | def_thread.timeout = def_timeout; |
ebac4655 JA |
1033 | def_thread.create_file = DEF_CREATE; |
1034 | def_thread.overwrite = DEF_OVERWRITE; | |
1035 | def_thread.invalidate_cache = DEF_INVALIDATE; | |
1036 | def_thread.sync_io = DEF_SYNCIO; | |
1037 | def_thread.mem_type = MEM_MALLOC; | |
1038 | def_thread.bw_avg_time = DEF_BWAVGTIME; | |
1039 | def_thread.create_serialize = DEF_CREATE_SER; | |
1040 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
1041 | def_thread.loops = DEF_LOOPS; | |
1042 | def_thread.verify = DEF_VERIFY; | |
1043 | def_thread.stonewall = DEF_STONEWALL; | |
1044 | def_thread.numjobs = DEF_NUMJOBS; | |
1045 | def_thread.use_thread = DEF_USE_THREAD; | |
a6ccc7be JA |
1046 | def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
1047 | def_thread.rwmixread = DEF_RWMIX_READ; | |
b6f4d880 | 1048 | def_thread.nice = DEF_NICE; |
9ebc27e1 | 1049 | def_thread.rand_repeatable = DEF_RAND_REPEAT; |
53cdc686 | 1050 | def_thread.nr_files = DEF_NR_FILES; |
f6cbb269 | 1051 | def_thread.unlink = DEF_UNLINK; |
ebac4655 JA |
1052 | #ifdef FIO_HAVE_DISK_UTIL |
1053 | def_thread.do_disk_util = 1; | |
1054 | #endif | |
1055 | ||
1056 | return 0; | |
1057 | } | |
1058 | ||
4785f995 JA |
1059 | static void usage(char *name) |
1060 | { | |
1061 | printf("%s\n", fio_version_string); | |
47623c72 | 1062 | printf("\t-o Write output to file\n"); |
4785f995 | 1063 | printf("\t-t Runtime in seconds\n"); |
4785f995 JA |
1064 | printf("\t-l Generate per-job latency logs\n"); |
1065 | printf("\t-w Generate per-job bandwidth logs\n"); | |
c6ae0a5b | 1066 | printf("\t-m Minimal (terse) output\n"); |
4785f995 JA |
1067 | printf("\t-v Print version info and exit\n"); |
1068 | } | |
1069 | ||
972cfd25 | 1070 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1071 | { |
972cfd25 | 1072 | int c, idx = 1, ini_idx = 0; |
ebac4655 | 1073 | |
2e77841b | 1074 | while ((c = getopt(argc, argv, "t:o:lwvhm")) != EOF) { |
ebac4655 | 1075 | switch (c) { |
ebac4655 | 1076 | case 't': |
972cfd25 | 1077 | def_timeout = atoi(optarg); |
774a6177 | 1078 | idx = optind; |
ebac4655 | 1079 | break; |
ebac4655 JA |
1080 | case 'l': |
1081 | write_lat_log = 1; | |
774a6177 | 1082 | idx = optind; |
ebac4655 JA |
1083 | break; |
1084 | case 'w': | |
1085 | write_bw_log = 1; | |
774a6177 | 1086 | idx = optind; |
ebac4655 | 1087 | break; |
9ebc27e1 | 1088 | case 'o': |
eb8bbf48 JA |
1089 | f_out = fopen(optarg, "w+"); |
1090 | if (!f_out) { | |
1091 | perror("fopen output"); | |
1092 | exit(1); | |
1093 | } | |
1094 | f_err = f_out; | |
774a6177 | 1095 | idx = optind; |
eb8bbf48 | 1096 | break; |
c6ae0a5b JA |
1097 | case 'm': |
1098 | terse_output = 1; | |
774a6177 | 1099 | idx = optind; |
c6ae0a5b | 1100 | break; |
4785f995 JA |
1101 | case 'h': |
1102 | usage(argv[0]); | |
1103 | exit(0); | |
ebac4655 JA |
1104 | case 'v': |
1105 | printf("%s\n", fio_version_string); | |
1106 | exit(0); | |
1107 | } | |
1108 | } | |
c9fad893 | 1109 | |
972cfd25 JA |
1110 | while (idx < argc) { |
1111 | ini_idx++; | |
1112 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1113 | ini_file[ini_idx - 1] = strdup(argv[idx]); | |
1114 | idx++; | |
1115 | } | |
774a6177 | 1116 | |
eb8bbf48 JA |
1117 | if (!f_out) { |
1118 | f_out = stdout; | |
1119 | f_err = stderr; | |
1120 | } | |
972cfd25 JA |
1121 | |
1122 | return ini_idx; | |
ebac4655 JA |
1123 | } |
1124 | ||
1125 | static void free_shm(void) | |
1126 | { | |
1127 | struct shmid_ds sbuf; | |
1128 | ||
1129 | if (threads) { | |
2c0ecd28 | 1130 | shmdt((void *) threads); |
ebac4655 JA |
1131 | threads = NULL; |
1132 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1133 | } | |
1134 | } | |
1135 | ||
906c8d75 JA |
1136 | /* |
1137 | * The thread area is shared between the main process and the job | |
1138 | * threads/processes. So setup a shared memory segment that will hold | |
1139 | * all the job info. | |
1140 | */ | |
ebac4655 JA |
1141 | static int setup_thread_area(void) |
1142 | { | |
1143 | /* | |
1144 | * 1024 is too much on some machines, scale max_jobs if | |
1145 | * we get a failure that looks like too large a shm segment | |
1146 | */ | |
1147 | do { | |
906c8d75 | 1148 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1149 | |
906c8d75 | 1150 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1151 | if (shm_id != -1) |
1152 | break; | |
1153 | if (errno != EINVAL) { | |
1154 | perror("shmget"); | |
1155 | break; | |
1156 | } | |
1157 | ||
1158 | max_jobs >>= 1; | |
1159 | } while (max_jobs); | |
1160 | ||
1161 | if (shm_id == -1) | |
1162 | return 1; | |
1163 | ||
1164 | threads = shmat(shm_id, NULL, 0); | |
1165 | if (threads == (void *) -1) { | |
1166 | perror("shmat"); | |
1167 | return 1; | |
1168 | } | |
1169 | ||
1170 | atexit(free_shm); | |
1171 | return 0; | |
1172 | } | |
1173 | ||
1174 | int parse_options(int argc, char *argv[]) | |
1175 | { | |
972cfd25 JA |
1176 | int job_files, i; |
1177 | ||
ebac4655 JA |
1178 | if (setup_thread_area()) |
1179 | return 1; | |
1180 | if (fill_def_thread()) | |
1181 | return 1; | |
1182 | ||
972cfd25 JA |
1183 | job_files = parse_cmd_line(argc, argv); |
1184 | if (!job_files) { | |
1185 | log_err("Need job file(s)\n"); | |
4785f995 | 1186 | usage(argv[0]); |
ebac4655 JA |
1187 | return 1; |
1188 | } | |
1189 | ||
972cfd25 JA |
1190 | for (i = 0; i < job_files; i++) { |
1191 | if (fill_def_thread()) | |
1192 | return 1; | |
0c7e37a0 | 1193 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1194 | return 1; |
88c6ed80 | 1195 | free(ini_file[i]); |
972cfd25 | 1196 | } |
ebac4655 | 1197 | |
88c6ed80 | 1198 | free(ini_file); |
ebac4655 JA |
1199 | return 0; |
1200 | } |