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) |
ec94ec56 JA |
50 | #define DEF_WRITE_BW_LOG (0) |
51 | #define DEF_WRITE_LAT_LOG (0) | |
ebac4655 | 52 | |
972cfd25 | 53 | static int def_timeout = DEF_TIMEOUT; |
972cfd25 | 54 | |
f4866ec5 | 55 | static char fio_version_string[] = "fio 1.5"; |
ebac4655 | 56 | |
972cfd25 | 57 | static char **ini_file; |
ebac4655 JA |
58 | static int max_jobs = MAX_JOBS; |
59 | ||
60 | struct thread_data def_thread; | |
61 | struct thread_data *threads = NULL; | |
62 | ||
63 | int rate_quit = 0; | |
ebac4655 | 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 | |
ec94ec56 JA |
70 | static int write_lat_log = DEF_WRITE_LAT_LOG; |
71 | static int write_bw_log = DEF_WRITE_BW_LOG; | |
72 | ||
906c8d75 JA |
73 | /* |
74 | * Return a free job structure. | |
75 | */ | |
ebac4655 JA |
76 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
77 | { | |
78 | struct thread_data *td; | |
79 | ||
80 | if (global) | |
81 | return &def_thread; | |
82 | if (thread_number >= max_jobs) | |
83 | return NULL; | |
84 | ||
85 | td = &threads[thread_number++]; | |
ddaeaa5a JA |
86 | *td = *parent; |
87 | td->name[0] = '\0'; | |
ebac4655 | 88 | |
ebac4655 | 89 | td->thread_number = thread_number; |
ebac4655 JA |
90 | return td; |
91 | } | |
92 | ||
93 | static void put_job(struct thread_data *td) | |
94 | { | |
95 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
96 | thread_number--; | |
97 | } | |
98 | ||
906c8d75 JA |
99 | /* |
100 | * Adds a job to the list of things todo. Sanitizes the various options | |
101 | * to make sure we don't have conflicts, and initializes various | |
102 | * members of td. | |
103 | */ | |
75154845 | 104 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 105 | { |
3d60d1ed JA |
106 | char *ddir_str[] = { "read", "write", "randread", "randwrite", |
107 | "rw", NULL, "randrw" }; | |
ebac4655 | 108 | struct stat sb; |
53cdc686 JA |
109 | int numjobs, ddir, i; |
110 | struct fio_file *f; | |
ebac4655 JA |
111 | |
112 | #ifndef FIO_HAVE_LIBAIO | |
113 | if (td->io_engine == FIO_LIBAIO) { | |
3b70d7e5 | 114 | log_err("Linux libaio not available\n"); |
ebac4655 JA |
115 | return 1; |
116 | } | |
117 | #endif | |
118 | #ifndef FIO_HAVE_POSIXAIO | |
119 | if (td->io_engine == FIO_POSIXAIO) { | |
3b70d7e5 | 120 | log_err("posix aio not available\n"); |
ebac4655 JA |
121 | return 1; |
122 | } | |
123 | #endif | |
ebac4655 JA |
124 | |
125 | /* | |
126 | * the def_thread is just for options, it's not a real job | |
127 | */ | |
128 | if (td == &def_thread) | |
129 | return 0; | |
130 | ||
df64119d JA |
131 | /* |
132 | * Set default io engine, if none set | |
133 | */ | |
134 | if (!td->io_ops) { | |
135 | td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME); | |
136 | if (!td->io_ops) { | |
137 | log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME); | |
138 | return 1; | |
139 | } | |
140 | } | |
141 | ||
2866c82d | 142 | if (td->io_ops->flags & FIO_SYNCIO) |
ebac4655 JA |
143 | td->iodepth = 1; |
144 | else { | |
145 | if (!td->iodepth) | |
841ddd13 | 146 | td->iodepth = td->nr_files; |
ebac4655 JA |
147 | } |
148 | ||
20dc95c4 | 149 | /* |
53cdc686 | 150 | * only really works for sequential io for now, and with 1 file |
20dc95c4 | 151 | */ |
53cdc686 | 152 | if (td->zone_size && !td->sequential && td->nr_files == 1) |
20dc95c4 JA |
153 | td->zone_size = 0; |
154 | ||
9cc935a1 JA |
155 | /* |
156 | * Reads can do overwrites, we always need to pre-create the file | |
157 | */ | |
158 | if (td_read(td) || td_rw(td)) | |
159 | td->overwrite = 1; | |
160 | ||
ebac4655 | 161 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
162 | if (!stat(jobname, &sb)) { |
163 | if (S_ISBLK(sb.st_mode)) | |
164 | td->filetype = FIO_TYPE_BD; | |
165 | else if (S_ISCHR(sb.st_mode)) | |
166 | td->filetype = FIO_TYPE_CHAR; | |
167 | } | |
ebac4655 | 168 | |
b2a15192 JA |
169 | if (td->odirect) |
170 | td->io_ops->flags |= FIO_RAWIO; | |
171 | ||
13f8e2d2 JA |
172 | if (td->filename) |
173 | td->nr_uniq_files = 1; | |
174 | else | |
175 | td->nr_uniq_files = td->nr_files; | |
176 | ||
177 | if (td->filetype == FIO_TYPE_FILE || td->filename) { | |
e9c047a0 | 178 | char tmp[PATH_MAX]; |
53cdc686 JA |
179 | int len = 0; |
180 | int i; | |
e9c047a0 | 181 | |
ef899b63 | 182 | if (td->directory && td->directory[0] != '\0') |
53cdc686 | 183 | sprintf(tmp, "%s/", td->directory); |
ebac4655 | 184 | |
53cdc686 JA |
185 | td->files = malloc(sizeof(struct fio_file) * td->nr_files); |
186 | ||
187 | for_each_file(td, f, i) { | |
188 | memset(f, 0, sizeof(*f)); | |
189 | f->fd = -1; | |
190 | ||
13f8e2d2 JA |
191 | if (td->filename) |
192 | sprintf(tmp + len, "%s", td->filename); | |
193 | else | |
194 | sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); | |
53cdc686 JA |
195 | f->file_name = strdup(tmp); |
196 | } | |
197 | } else { | |
198 | td->nr_files = 1; | |
199 | td->files = malloc(sizeof(struct fio_file)); | |
200 | f = &td->files[0]; | |
201 | ||
202 | memset(f, 0, sizeof(*f)); | |
203 | f->fd = -1; | |
204 | f->file_name = strdup(jobname); | |
205 | } | |
206 | ||
207 | for_each_file(td, f, i) { | |
208 | f->file_size = td->total_file_size / td->nr_files; | |
209 | f->file_offset = td->start_offset; | |
210 | } | |
211 | ||
bbfd6b00 | 212 | fio_sem_init(&td->mutex, 0); |
ebac4655 JA |
213 | |
214 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
215 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
216 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
217 | ||
218 | if (td->min_bs == -1U) | |
219 | td->min_bs = td->bs; | |
220 | if (td->max_bs == -1U) | |
221 | td->max_bs = td->bs; | |
3d60d1ed | 222 | if (td_read(td) && !td_rw(td)) |
ebac4655 JA |
223 | td->verify = 0; |
224 | ||
225 | if (td->stonewall && td->thread_number > 1) | |
226 | groupid++; | |
227 | ||
228 | td->groupid = groupid; | |
229 | ||
230 | if (setup_rate(td)) | |
231 | goto err; | |
232 | ||
ec94ec56 | 233 | if (td->write_lat_log) { |
ebac4655 JA |
234 | setup_log(&td->slat_log); |
235 | setup_log(&td->clat_log); | |
236 | } | |
ec94ec56 | 237 | if (td->write_bw_log) |
ebac4655 JA |
238 | setup_log(&td->bw_log); |
239 | ||
01452055 JA |
240 | if (td->name[0] == '\0') |
241 | snprintf(td->name, sizeof(td->name)-1, "client%d", td->thread_number); | |
242 | ||
3d60d1ed | 243 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 | 244 | |
c6ae0a5b | 245 | if (!terse_output) { |
b990b5c0 | 246 | if (!job_add_num) { |
2866c82d | 247 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
248 | fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); |
249 | else | |
2866c82d | 250 | 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 | 251 | } else if (job_add_num == 1) |
c6ae0a5b JA |
252 | fprintf(f_out, "...\n"); |
253 | } | |
ebac4655 JA |
254 | |
255 | /* | |
256 | * recurse add identical jobs, clear numjobs and stonewall options | |
257 | * as they don't apply to sub-jobs | |
258 | */ | |
259 | numjobs = td->numjobs; | |
260 | while (--numjobs) { | |
261 | struct thread_data *td_new = get_new_job(0, td); | |
262 | ||
263 | if (!td_new) | |
264 | goto err; | |
265 | ||
266 | td_new->numjobs = 1; | |
267 | td_new->stonewall = 0; | |
75154845 | 268 | job_add_num = numjobs - 1; |
ebac4655 | 269 | |
75154845 | 270 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
271 | goto err; |
272 | } | |
273 | return 0; | |
274 | err: | |
275 | put_job(td); | |
276 | return -1; | |
277 | } | |
278 | ||
906c8d75 JA |
279 | /* |
280 | * Initialize the various random states we need (random io, block size ranges, | |
281 | * read/write mix, etc). | |
282 | */ | |
ebac4655 JA |
283 | int init_random_state(struct thread_data *td) |
284 | { | |
a6ccc7be | 285 | unsigned long seeds[4]; |
53cdc686 | 286 | int fd, num_maps, blocks, i; |
0ab8db89 | 287 | struct fio_file *f; |
ebac4655 | 288 | |
1ac267bb | 289 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
290 | if (fd == -1) { |
291 | td_verror(td, errno); | |
292 | return 1; | |
293 | } | |
294 | ||
a6ccc7be | 295 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
296 | td_verror(td, EIO); |
297 | close(fd); | |
298 | return 1; | |
299 | } | |
300 | ||
301 | close(fd); | |
302 | ||
6dfd46b9 JA |
303 | os_random_seed(seeds[0], &td->bsrange_state); |
304 | os_random_seed(seeds[1], &td->verify_state); | |
305 | os_random_seed(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
306 | |
307 | if (td->sequential) | |
308 | return 0; | |
309 | ||
9ebc27e1 | 310 | if (td->rand_repeatable) |
a6ccc7be | 311 | seeds[3] = DEF_RANDSEED; |
ebac4655 | 312 | |
0ab8db89 | 313 | for_each_file(td, f, i) { |
53cdc686 JA |
314 | blocks = (f->file_size + td->min_bs - 1) / td->min_bs; |
315 | num_maps = blocks / BLOCKS_PER_MAP; | |
316 | f->file_map = malloc(num_maps * sizeof(long)); | |
317 | f->num_maps = num_maps; | |
318 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
319 | } | |
ebac4655 | 320 | |
6dfd46b9 | 321 | os_random_seed(seeds[3], &td->random_state); |
ebac4655 JA |
322 | return 0; |
323 | } | |
324 | ||
325 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
326 | { | |
327 | #ifdef FIO_HAVE_CPU_AFFINITY | |
328 | unsigned int i; | |
329 | ||
330 | CPU_ZERO(&cpumask); | |
331 | ||
332 | for (i = 0; i < sizeof(int) * 8; i++) { | |
333 | if ((1 << i) & cpu) | |
334 | CPU_SET(i, &cpumask); | |
335 | } | |
336 | #endif | |
337 | } | |
338 | ||
906c8d75 JA |
339 | static unsigned long get_mult_time(char c) |
340 | { | |
341 | switch (c) { | |
342 | case 'm': | |
343 | case 'M': | |
344 | return 60; | |
345 | case 'h': | |
346 | case 'H': | |
347 | return 60 * 60; | |
348 | case 'd': | |
349 | case 'D': | |
350 | return 24 * 60 * 60; | |
351 | default: | |
352 | return 1; | |
353 | } | |
354 | } | |
355 | ||
356 | static unsigned long get_mult_bytes(char c) | |
ebac4655 JA |
357 | { |
358 | switch (c) { | |
359 | case 'k': | |
360 | case 'K': | |
361 | return 1024; | |
362 | case 'm': | |
363 | case 'M': | |
364 | return 1024 * 1024; | |
365 | case 'g': | |
366 | case 'G': | |
367 | return 1024 * 1024 * 1024; | |
368 | default: | |
369 | return 1; | |
370 | } | |
371 | } | |
372 | ||
373 | /* | |
374 | * convert string after '=' into decimal value, noting any size suffix | |
375 | */ | |
906c8d75 | 376 | static int str_to_decimal(char *p, unsigned long long *val, int kilo) |
ebac4655 JA |
377 | { |
378 | char *str; | |
379 | int len; | |
380 | ||
f5d3e5ec | 381 | str = strchr(p, '='); |
ebac4655 JA |
382 | if (!str) |
383 | return 1; | |
384 | ||
385 | str++; | |
386 | len = strlen(str); | |
387 | ||
388 | *val = strtoul(str, NULL, 10); | |
389 | if (*val == ULONG_MAX && errno == ERANGE) | |
390 | return 1; | |
391 | ||
906c8d75 JA |
392 | if (kilo) |
393 | *val *= get_mult_bytes(str[len - 1]); | |
394 | else | |
395 | *val *= get_mult_time(str[len - 1]); | |
ebac4655 JA |
396 | return 0; |
397 | } | |
398 | ||
906c8d75 | 399 | static int check_str_bytes(char *p, char *name, unsigned long long *val) |
ebac4655 | 400 | { |
20dc95c4 | 401 | if (strncmp(p, name, strlen(name) - 1)) |
ebac4655 JA |
402 | return 1; |
403 | ||
906c8d75 JA |
404 | return str_to_decimal(p, val, 1); |
405 | } | |
406 | ||
407 | static int check_str_time(char *p, char *name, unsigned long long *val) | |
408 | { | |
409 | if (strncmp(p, name, strlen(name) - 1)) | |
410 | return 1; | |
411 | ||
412 | return str_to_decimal(p, val, 0); | |
ebac4655 JA |
413 | } |
414 | ||
415 | static void strip_blank_front(char **p) | |
416 | { | |
417 | char *s = *p; | |
418 | ||
4ae3f763 | 419 | while (isspace(*s)) |
ebac4655 JA |
420 | s++; |
421 | } | |
422 | ||
423 | static void strip_blank_end(char *p) | |
424 | { | |
4ae3f763 | 425 | char *s = p + strlen(p) - 1; |
ebac4655 | 426 | |
4ae3f763 JA |
427 | while (isspace(*s) || iscntrl(*s)) |
428 | s--; | |
aea47d44 | 429 | |
4ae3f763 | 430 | *(s + 1) = '\0'; |
aea47d44 JA |
431 | } |
432 | ||
ebac4655 JA |
433 | typedef int (str_cb_fn)(struct thread_data *, char *); |
434 | ||
435 | static int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td) | |
436 | { | |
843a7413 | 437 | char *s; |
ebac4655 | 438 | |
843a7413 JA |
439 | if (strncmp(p, name, strlen(name))) |
440 | return 1; | |
441 | ||
442 | s = strstr(p, name); | |
ebac4655 JA |
443 | if (!s) |
444 | return 1; | |
445 | ||
f5d3e5ec | 446 | s = strchr(s, '='); |
ebac4655 JA |
447 | if (!s) |
448 | return 1; | |
449 | ||
450 | s++; | |
451 | strip_blank_front(&s); | |
452 | return cb(td, s); | |
453 | } | |
454 | ||
455 | static int check_strstore(char *p, char *name, char *dest) | |
456 | { | |
843a7413 | 457 | char *s; |
ebac4655 | 458 | |
843a7413 JA |
459 | if (strncmp(p, name, strlen(name))) |
460 | return 1; | |
461 | ||
462 | s = strstr(p, name); | |
ebac4655 JA |
463 | if (!s) |
464 | return 1; | |
465 | ||
f5d3e5ec | 466 | s = strchr(p, '='); |
ebac4655 JA |
467 | if (!s) |
468 | return 1; | |
469 | ||
470 | s++; | |
471 | strip_blank_front(&s); | |
472 | ||
473 | strcpy(dest, s); | |
ebac4655 JA |
474 | return 0; |
475 | } | |
476 | ||
906c8d75 | 477 | static int __check_range_bytes(char *str, unsigned long *val) |
ebac4655 | 478 | { |
01617be6 | 479 | char suffix; |
ebac4655 | 480 | |
01617be6 | 481 | if (sscanf(str, "%lu%c", val, &suffix) == 2) { |
906c8d75 | 482 | *val *= get_mult_bytes(suffix); |
ebac4655 JA |
483 | return 0; |
484 | } | |
485 | ||
01617be6 | 486 | if (sscanf(str, "%lu", val) == 1) |
ebac4655 | 487 | return 0; |
ebac4655 | 488 | |
01617be6 JA |
489 | return 1; |
490 | } | |
491 | ||
906c8d75 JA |
492 | static int check_range_bytes(char *p, char *name, unsigned long *s, |
493 | unsigned long *e) | |
01617be6 JA |
494 | { |
495 | char option[128]; | |
496 | char *str, *p1, *p2; | |
497 | ||
843a7413 JA |
498 | if (strncmp(p, name, strlen(name))) |
499 | return 1; | |
500 | ||
01617be6 JA |
501 | strcpy(option, p); |
502 | p = option; | |
503 | ||
504 | str = strstr(p, name); | |
505 | if (!str) | |
506 | return 1; | |
ebac4655 | 507 | |
01617be6 JA |
508 | p += strlen(name); |
509 | ||
510 | str = strchr(p, '='); | |
511 | if (!str) | |
512 | return 1; | |
513 | ||
514 | /* | |
515 | * 'p' now holds whatever is after the '=' sign | |
516 | */ | |
517 | p1 = str + 1; | |
518 | ||
519 | /* | |
520 | * terminate p1 at the '-' sign | |
521 | */ | |
522 | p = strchr(p1, '-'); | |
523 | if (!p) | |
524 | return 1; | |
525 | ||
526 | p2 = p + 1; | |
527 | *p = '\0'; | |
528 | ||
906c8d75 | 529 | if (!__check_range_bytes(p1, s) && !__check_range_bytes(p2, e)) |
ebac4655 JA |
530 | return 0; |
531 | ||
532 | return 1; | |
ebac4655 JA |
533 | } |
534 | ||
535 | static int check_int(char *p, char *name, unsigned int *val) | |
536 | { | |
f5d3e5ec | 537 | char *str; |
ebac4655 | 538 | |
b6754f9d JA |
539 | if (strncmp(p, name, strlen(name))) |
540 | return 1; | |
541 | ||
f5d3e5ec JA |
542 | str = strstr(p, name); |
543 | if (!str) | |
544 | return 1; | |
545 | ||
546 | str = strchr(p, '='); | |
547 | if (!str) | |
548 | return 1; | |
549 | ||
550 | str++; | |
ebac4655 | 551 | |
f5d3e5ec | 552 | if (sscanf(str, "%u", val) == 1) |
ebac4655 JA |
553 | return 0; |
554 | ||
555 | return 1; | |
556 | } | |
557 | ||
558 | static int check_strset(char *p, char *name) | |
559 | { | |
560 | return strncmp(p, name, strlen(name)); | |
561 | } | |
562 | ||
563 | static int is_empty_or_comment(char *line) | |
564 | { | |
565 | unsigned int i; | |
566 | ||
567 | for (i = 0; i < strlen(line); i++) { | |
568 | if (line[i] == ';') | |
569 | return 1; | |
570 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
571 | return 0; | |
572 | } | |
573 | ||
574 | return 1; | |
575 | } | |
576 | ||
577 | static int str_rw_cb(struct thread_data *td, char *mem) | |
578 | { | |
579 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { | |
580 | td->ddir = DDIR_READ; | |
581 | td->sequential = 1; | |
582 | return 0; | |
583 | } else if (!strncmp(mem, "randread", 8)) { | |
584 | td->ddir = DDIR_READ; | |
585 | td->sequential = 0; | |
586 | return 0; | |
587 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
588 | td->ddir = DDIR_WRITE; | |
589 | td->sequential = 1; | |
590 | return 0; | |
591 | } else if (!strncmp(mem, "randwrite", 9)) { | |
592 | td->ddir = DDIR_WRITE; | |
593 | td->sequential = 0; | |
594 | return 0; | |
3d60d1ed JA |
595 | } else if (!strncmp(mem, "rw", 2)) { |
596 | td->ddir = 0; | |
597 | td->iomix = 1; | |
598 | td->sequential = 1; | |
599 | return 0; | |
600 | } else if (!strncmp(mem, "randrw", 6)) { | |
601 | td->ddir = 0; | |
602 | td->iomix = 1; | |
603 | td->sequential = 0; | |
604 | return 0; | |
ebac4655 JA |
605 | } |
606 | ||
3b70d7e5 | 607 | log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
608 | return 1; |
609 | } | |
610 | ||
611 | static int str_verify_cb(struct thread_data *td, char *mem) | |
612 | { | |
613 | if (!strncmp(mem, "0", 1)) { | |
614 | td->verify = VERIFY_NONE; | |
615 | return 0; | |
616 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
617 | td->verify = VERIFY_MD5; | |
618 | return 0; | |
619 | } else if (!strncmp(mem, "crc32", 5)) { | |
620 | td->verify = VERIFY_CRC32; | |
621 | return 0; | |
622 | } | |
623 | ||
3b70d7e5 | 624 | log_err("fio: verify types: md5, crc32\n"); |
ebac4655 JA |
625 | return 1; |
626 | } | |
627 | ||
628 | static int str_mem_cb(struct thread_data *td, char *mem) | |
629 | { | |
630 | if (!strncmp(mem, "malloc", 6)) { | |
631 | td->mem_type = MEM_MALLOC; | |
632 | return 0; | |
633 | } else if (!strncmp(mem, "shm", 3)) { | |
634 | td->mem_type = MEM_SHM; | |
635 | return 0; | |
636 | } else if (!strncmp(mem, "mmap", 4)) { | |
637 | td->mem_type = MEM_MMAP; | |
638 | return 0; | |
639 | } | |
640 | ||
3b70d7e5 | 641 | log_err("fio: mem type: malloc, shm, mmap\n"); |
ebac4655 JA |
642 | return 1; |
643 | } | |
644 | ||
645 | static int str_ioengine_cb(struct thread_data *td, char *str) | |
646 | { | |
2866c82d JA |
647 | td->io_ops = load_ioengine(td, str); |
648 | if (td->io_ops) | |
b990b5c0 | 649 | return 0; |
ebac4655 | 650 | |
b990b5c0 | 651 | log_err("fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice, cpu\n"); |
ebac4655 JA |
652 | return 1; |
653 | } | |
654 | ||
07261983 JA |
655 | /* |
656 | * This is our [ini] type file parser. | |
657 | */ | |
0c7e37a0 | 658 | int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 659 | { |
a6ccc7be | 660 | unsigned int prioclass, prio, cpu, global, il; |
ebac4655 JA |
661 | unsigned long long ull; |
662 | unsigned long ul1, ul2; | |
663 | struct thread_data *td; | |
ef899b63 | 664 | char *string, *name, *tmpbuf; |
ebac4655 JA |
665 | fpos_t off; |
666 | FILE *f; | |
667 | char *p; | |
0c7e37a0 | 668 | int ret = 0, stonewall; |
ebac4655 JA |
669 | |
670 | f = fopen(file, "r"); | |
671 | if (!f) { | |
aea47d44 | 672 | perror("fopen job file"); |
ebac4655 JA |
673 | return 1; |
674 | } | |
675 | ||
676 | string = malloc(4096); | |
677 | name = malloc(256); | |
ef899b63 | 678 | tmpbuf = malloc(4096); |
ebac4655 | 679 | |
0c7e37a0 | 680 | stonewall = stonewall_flag; |
ebac4655 | 681 | while ((p = fgets(string, 4096, f)) != NULL) { |
45410acb JA |
682 | if (ret) |
683 | break; | |
ebac4655 JA |
684 | if (is_empty_or_comment(p)) |
685 | continue; | |
686 | if (sscanf(p, "[%s]", name) != 1) | |
687 | continue; | |
688 | ||
689 | global = !strncmp(name, "global", 6); | |
690 | ||
691 | name[strlen(name) - 1] = '\0'; | |
692 | ||
693 | td = get_new_job(global, &def_thread); | |
45410acb JA |
694 | if (!td) { |
695 | ret = 1; | |
696 | break; | |
697 | } | |
ebac4655 | 698 | |
972cfd25 JA |
699 | /* |
700 | * Seperate multiple job files by a stonewall | |
701 | */ | |
f9481919 | 702 | if (!global && stonewall) { |
972cfd25 JA |
703 | td->stonewall = stonewall; |
704 | stonewall = 0; | |
705 | } | |
706 | ||
ebac4655 JA |
707 | fgetpos(f, &off); |
708 | while ((p = fgets(string, 4096, f)) != NULL) { | |
709 | if (is_empty_or_comment(p)) | |
710 | continue; | |
711 | if (strstr(p, "[")) | |
712 | break; | |
b6754f9d | 713 | strip_blank_front(&p); |
4ae3f763 | 714 | strip_blank_end(p); |
aea47d44 | 715 | |
ebac4655 JA |
716 | if (!check_int(p, "prio", &prio)) { |
717 | #ifndef FIO_HAVE_IOPRIO | |
3b70d7e5 | 718 | log_err("io priorities not available\n"); |
45410acb JA |
719 | ret = 1; |
720 | break; | |
ebac4655 | 721 | #endif |
8756e4d4 | 722 | td->ioprio |= prio; |
ebac4655 JA |
723 | fgetpos(f, &off); |
724 | continue; | |
725 | } | |
726 | if (!check_int(p, "prioclass", &prioclass)) { | |
727 | #ifndef FIO_HAVE_IOPRIO | |
3b70d7e5 | 728 | log_err("io priorities not available\n"); |
45410acb JA |
729 | ret = 1; |
730 | break; | |
5c4e1dbc | 731 | #else |
8756e4d4 | 732 | td->ioprio |= prioclass << IOPRIO_CLASS_SHIFT; |
ebac4655 JA |
733 | fgetpos(f, &off); |
734 | continue; | |
5c4e1dbc | 735 | #endif |
ebac4655 | 736 | } |
e9c047a0 JA |
737 | if (!check_int(p, "direct", &il)) { |
738 | td->odirect = il; | |
ebac4655 JA |
739 | fgetpos(f, &off); |
740 | continue; | |
741 | } | |
9ebc27e1 JA |
742 | if (!check_int(p, "rand_repeatable", &il)) { |
743 | td->rand_repeatable = il; | |
744 | fgetpos(f, &off); | |
745 | continue; | |
746 | } | |
ebac4655 JA |
747 | if (!check_int(p, "rate", &td->rate)) { |
748 | fgetpos(f, &off); | |
749 | continue; | |
750 | } | |
751 | if (!check_int(p, "ratemin", &td->ratemin)) { | |
752 | fgetpos(f, &off); | |
753 | continue; | |
754 | } | |
755 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
756 | fgetpos(f, &off); | |
757 | continue; | |
758 | } | |
b990b5c0 JA |
759 | if (!check_int(p, "cpuload", &td->cpuload)) { |
760 | fgetpos(f, &off); | |
761 | continue; | |
762 | } | |
763 | if (!check_int(p, "cpuchunks", &td->cpucycle)) { | |
764 | fgetpos(f, &off); | |
765 | continue; | |
766 | } | |
ebac4655 JA |
767 | if (!check_int(p, "thinktime", &td->thinktime)) { |
768 | fgetpos(f, &off); | |
769 | continue; | |
770 | } | |
771 | if (!check_int(p, "cpumask", &cpu)) { | |
772 | #ifndef FIO_HAVE_CPU_AFFINITY | |
3b70d7e5 | 773 | log_err("cpu affinity not available\n"); |
45410acb JA |
774 | ret = 1; |
775 | break; | |
ebac4655 JA |
776 | #endif |
777 | fill_cpu_mask(td->cpumask, cpu); | |
778 | fgetpos(f, &off); | |
779 | continue; | |
780 | } | |
781 | if (!check_int(p, "fsync", &td->fsync_blocks)) { | |
782 | fgetpos(f, &off); | |
fc1a4713 | 783 | td->end_fsync = 1; |
ebac4655 JA |
784 | continue; |
785 | } | |
786 | if (!check_int(p, "startdelay", &td->start_delay)) { | |
787 | fgetpos(f, &off); | |
788 | continue; | |
789 | } | |
906c8d75 | 790 | if (!check_str_time(p, "timeout", &ull)) { |
af959a78 | 791 | td->timeout = ull; |
ebac4655 JA |
792 | fgetpos(f, &off); |
793 | continue; | |
794 | } | |
e9c047a0 JA |
795 | if (!check_int(p, "invalidate", &il)) { |
796 | td->invalidate_cache = il; | |
ebac4655 JA |
797 | fgetpos(f, &off); |
798 | continue; | |
799 | } | |
800 | if (!check_int(p, "iodepth", &td->iodepth)) { | |
801 | fgetpos(f, &off); | |
802 | continue; | |
803 | } | |
e9c047a0 JA |
804 | if (!check_int(p, "sync", &il)) { |
805 | td->sync_io = il; | |
ebac4655 JA |
806 | fgetpos(f, &off); |
807 | continue; | |
808 | } | |
809 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { | |
810 | fgetpos(f, &off); | |
811 | continue; | |
812 | } | |
e9c047a0 JA |
813 | if (!check_int(p, "create_serialize", &il)) { |
814 | td->create_serialize = il; | |
ebac4655 JA |
815 | fgetpos(f, &off); |
816 | continue; | |
817 | } | |
e9c047a0 JA |
818 | if (!check_int(p, "create_fsync", &il)) { |
819 | td->create_fsync = il; | |
ebac4655 JA |
820 | fgetpos(f, &off); |
821 | continue; | |
822 | } | |
e9c047a0 JA |
823 | if (!check_int(p, "end_fsync", &il)) { |
824 | td->end_fsync = il; | |
fc1a4713 JA |
825 | fgetpos(f, &off); |
826 | continue; | |
827 | } | |
ebac4655 JA |
828 | if (!check_int(p, "loops", &td->loops)) { |
829 | fgetpos(f, &off); | |
830 | continue; | |
831 | } | |
832 | if (!check_int(p, "numjobs", &td->numjobs)) { | |
833 | fgetpos(f, &off); | |
834 | continue; | |
835 | } | |
e9c047a0 JA |
836 | if (!check_int(p, "overwrite", &il)) { |
837 | td->overwrite = il; | |
ebac4655 JA |
838 | fgetpos(f, &off); |
839 | continue; | |
840 | } | |
a6ccc7be JA |
841 | if (!check_int(p, "rwmixcycle", &td->rwmixcycle)) { |
842 | fgetpos(f, &off); | |
843 | continue; | |
844 | } | |
845 | if (!check_int(p, "rwmixread", &il)) { | |
846 | if (il > 100) | |
847 | il = 100; | |
848 | td->rwmixread = il; | |
849 | fgetpos(f, &off); | |
850 | continue; | |
851 | } | |
852 | if (!check_int(p, "rwmixwrite", &il)) { | |
853 | if (il > 100) | |
854 | il = 100; | |
855 | td->rwmixread = 100 - il; | |
856 | fgetpos(f, &off); | |
857 | continue; | |
858 | } | |
b6f4d880 JA |
859 | if (!check_int(p, "nice", &td->nice)) { |
860 | fgetpos(f, &off); | |
861 | continue; | |
862 | } | |
53cdc686 JA |
863 | if (!check_int(p, "nrfiles", &td->nr_files)) { |
864 | fgetpos(f, &off); | |
865 | continue; | |
866 | } | |
906c8d75 | 867 | if (!check_range_bytes(p, "bsrange", &ul1, &ul2)) { |
ebac4655 JA |
868 | if (ul1 > ul2) { |
869 | td->max_bs = ul1; | |
870 | td->min_bs = ul2; | |
871 | } else { | |
872 | td->max_bs = ul2; | |
873 | td->min_bs = ul1; | |
874 | } | |
875 | fgetpos(f, &off); | |
876 | continue; | |
877 | } | |
906c8d75 | 878 | if (!check_str_bytes(p, "bs", &ull)) { |
ebac4655 JA |
879 | td->bs = ull; |
880 | fgetpos(f, &off); | |
881 | continue; | |
882 | } | |
53cdc686 | 883 | if (!check_str_bytes(p, "size", &td->total_file_size)) { |
ebac4655 JA |
884 | fgetpos(f, &off); |
885 | continue; | |
886 | } | |
53cdc686 | 887 | if (!check_str_bytes(p, "offset", &td->start_offset)) { |
ebac4655 | 888 | fgetpos(f, &off); |
20dc95c4 JA |
889 | continue; |
890 | } | |
906c8d75 | 891 | if (!check_str_bytes(p, "zonesize", &td->zone_size)) { |
20dc95c4 JA |
892 | fgetpos(f, &off); |
893 | continue; | |
894 | } | |
906c8d75 | 895 | if (!check_str_bytes(p, "zoneskip", &td->zone_skip)) { |
20dc95c4 | 896 | fgetpos(f, &off); |
ebac4655 JA |
897 | continue; |
898 | } | |
906c8d75 | 899 | if (!check_str_bytes(p, "lockmem", &mlock_size)) { |
c04f7ec3 JA |
900 | fgetpos(f, &off); |
901 | continue; | |
902 | } | |
ef899b63 JA |
903 | if (!check_strstore(p, "directory", tmpbuf)) { |
904 | td->directory = strdup(tmpbuf); | |
ebac4655 JA |
905 | fgetpos(f, &off); |
906 | continue; | |
907 | } | |
13f8e2d2 JA |
908 | if (!check_strstore(p, "filename", tmpbuf)) { |
909 | td->filename = strdup(tmpbuf); | |
910 | fgetpos(f, &off); | |
911 | continue; | |
912 | } | |
01452055 JA |
913 | if (!check_strstore(p, "name", tmpbuf)) { |
914 | snprintf(td->name, sizeof(td->name)-1, "%s%d", tmpbuf, td->thread_number); | |
915 | fgetpos(f, &off); | |
916 | continue; | |
917 | } | |
ebac4655 JA |
918 | if (!check_str(p, "mem", str_mem_cb, td)) { |
919 | fgetpos(f, &off); | |
920 | continue; | |
921 | } | |
922 | if (!check_str(p, "verify", str_verify_cb, td)) { | |
923 | fgetpos(f, &off); | |
924 | continue; | |
925 | } | |
926 | if (!check_str(p, "rw", str_rw_cb, td)) { | |
927 | fgetpos(f, &off); | |
928 | continue; | |
929 | } | |
930 | if (!check_str(p, "ioengine", str_ioengine_cb, td)) { | |
931 | fgetpos(f, &off); | |
932 | continue; | |
933 | } | |
ebac4655 JA |
934 | if (!check_strset(p, "exitall")) { |
935 | exitall_on_terminate = 1; | |
936 | fgetpos(f, &off); | |
937 | continue; | |
938 | } | |
939 | if (!check_strset(p, "stonewall")) { | |
940 | td->stonewall = 1; | |
941 | fgetpos(f, &off); | |
942 | continue; | |
943 | } | |
944 | if (!check_strset(p, "thread")) { | |
945 | td->use_thread = 1; | |
946 | fgetpos(f, &off); | |
947 | continue; | |
948 | } | |
f6cbb269 JA |
949 | if (!check_strset(p, "unlink")) { |
950 | td->unlink = 1; | |
951 | fgetpos(f, &off); | |
952 | continue; | |
953 | } | |
ec94ec56 JA |
954 | if (!check_strset(p, "write_bw_log")) { |
955 | td->write_bw_log = 1; | |
956 | fgetpos(f, &off); | |
957 | continue; | |
958 | } | |
959 | if (!check_strset(p, "write_lat_log")) { | |
960 | td->write_lat_log = 1; | |
961 | fgetpos(f, &off); | |
962 | continue; | |
963 | } | |
80b9feb0 | 964 | if (!check_strstore(p, "iolog", tmpbuf)) { |
4f693b9d | 965 | if (td->write_iolog) { |
3b70d7e5 | 966 | log_err("fio: read iolog overrides given write_iolog\n"); |
af8c0b4f | 967 | free(td->iolog_file); |
4f693b9d JA |
968 | td->write_iolog = 0; |
969 | } | |
80b9feb0 | 970 | td->iolog_file = strdup(tmpbuf); |
843a7413 | 971 | td->read_iolog = 1; |
843a7413 JA |
972 | fgetpos(f, &off); |
973 | continue; | |
974 | } | |
af8c0b4f JA |
975 | if (!check_strstore(p, "write_iolog", tmpbuf)) { |
976 | if (!td->read_iolog) { | |
977 | td->iolog_file = strdup(tmpbuf); | |
978 | td->write_iolog = 1; | |
4f693b9d | 979 | } else |
3b70d7e5 | 980 | log_err("fio: read iolog overrides given write_iolog\n"); |
aea47d44 JA |
981 | fgetpos(f, &off); |
982 | continue; | |
983 | } | |
80b9feb0 JA |
984 | if (!check_strstore(p, "exec_prerun", tmpbuf)) { |
985 | td->exec_prerun = strdup(tmpbuf); | |
4e0ba8af JA |
986 | fgetpos(f, &off); |
987 | continue; | |
988 | } | |
80b9feb0 JA |
989 | if (!check_strstore(p, "exec_postrun", tmpbuf)) { |
990 | td->exec_postrun = strdup(tmpbuf); | |
4e0ba8af JA |
991 | fgetpos(f, &off); |
992 | continue; | |
993 | } | |
80b9feb0 | 994 | if (!check_strstore(p, "ioscheduler", tmpbuf)) { |
22f78b32 | 995 | #ifndef FIO_HAVE_IOSCHED_SWITCH |
3b70d7e5 | 996 | log_err("io scheduler switching not available\n"); |
22f78b32 JA |
997 | ret = 1; |
998 | break; | |
999 | #else | |
80b9feb0 | 1000 | td->ioscheduler = strdup(tmpbuf); |
da86774e JA |
1001 | fgetpos(f, &off); |
1002 | continue; | |
22f78b32 | 1003 | #endif |
da86774e | 1004 | } |
ebac4655 | 1005 | |
45410acb JA |
1006 | /* |
1007 | * Don't break here, continue parsing options so we | |
1008 | * dump all the bad ones. Makes trial/error fixups | |
1009 | * easier on the user. | |
1010 | */ | |
ebac4655 | 1011 | printf("Client%d: bad option %s\n",td->thread_number,p); |
45410acb | 1012 | ret = 1; |
ebac4655 | 1013 | } |
ebac4655 | 1014 | |
45410acb JA |
1015 | if (!ret) { |
1016 | fsetpos(f, &off); | |
1017 | ret = add_job(td, name, 0); | |
1018 | } | |
1019 | if (ret) | |
1020 | break; | |
ebac4655 JA |
1021 | } |
1022 | ||
1023 | free(string); | |
1024 | free(name); | |
ef899b63 | 1025 | free(tmpbuf); |
ebac4655 | 1026 | fclose(f); |
45410acb | 1027 | return ret; |
ebac4655 JA |
1028 | } |
1029 | ||
1030 | static int fill_def_thread(void) | |
1031 | { | |
1032 | memset(&def_thread, 0, sizeof(def_thread)); | |
1033 | ||
1034 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
1035 | perror("sched_getaffinity"); | |
1036 | return 1; | |
1037 | } | |
1038 | ||
1039 | /* | |
1040 | * fill globals | |
1041 | */ | |
1042 | def_thread.ddir = DDIR_READ; | |
3d60d1ed | 1043 | def_thread.iomix = 0; |
9ebc27e1 | 1044 | def_thread.bs = DEF_BS; |
ebac4655 JA |
1045 | def_thread.min_bs = -1; |
1046 | def_thread.max_bs = -1; | |
9ebc27e1 | 1047 | def_thread.odirect = DEF_ODIRECT; |
ebac4655 | 1048 | def_thread.ratecycle = DEF_RATE_CYCLE; |
9ebc27e1 | 1049 | def_thread.sequential = DEF_SEQUENTIAL; |
972cfd25 | 1050 | def_thread.timeout = def_timeout; |
ebac4655 JA |
1051 | def_thread.overwrite = DEF_OVERWRITE; |
1052 | def_thread.invalidate_cache = DEF_INVALIDATE; | |
1053 | def_thread.sync_io = DEF_SYNCIO; | |
1054 | def_thread.mem_type = MEM_MALLOC; | |
1055 | def_thread.bw_avg_time = DEF_BWAVGTIME; | |
1056 | def_thread.create_serialize = DEF_CREATE_SER; | |
1057 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
1058 | def_thread.loops = DEF_LOOPS; | |
1059 | def_thread.verify = DEF_VERIFY; | |
1060 | def_thread.stonewall = DEF_STONEWALL; | |
1061 | def_thread.numjobs = DEF_NUMJOBS; | |
1062 | def_thread.use_thread = DEF_USE_THREAD; | |
a6ccc7be JA |
1063 | def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
1064 | def_thread.rwmixread = DEF_RWMIX_READ; | |
b6f4d880 | 1065 | def_thread.nice = DEF_NICE; |
9ebc27e1 | 1066 | def_thread.rand_repeatable = DEF_RAND_REPEAT; |
53cdc686 | 1067 | def_thread.nr_files = DEF_NR_FILES; |
f6cbb269 | 1068 | def_thread.unlink = DEF_UNLINK; |
ec94ec56 JA |
1069 | def_thread.write_bw_log = write_bw_log; |
1070 | def_thread.write_lat_log = write_lat_log; | |
ebac4655 JA |
1071 | #ifdef FIO_HAVE_DISK_UTIL |
1072 | def_thread.do_disk_util = 1; | |
1073 | #endif | |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
0ab8db89 | 1078 | static void usage(void) |
4785f995 JA |
1079 | { |
1080 | printf("%s\n", fio_version_string); | |
47623c72 | 1081 | printf("\t-o Write output to file\n"); |
4785f995 | 1082 | printf("\t-t Runtime in seconds\n"); |
4785f995 JA |
1083 | printf("\t-l Generate per-job latency logs\n"); |
1084 | printf("\t-w Generate per-job bandwidth logs\n"); | |
c6ae0a5b | 1085 | printf("\t-m Minimal (terse) output\n"); |
4785f995 JA |
1086 | printf("\t-v Print version info and exit\n"); |
1087 | } | |
1088 | ||
972cfd25 | 1089 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 1090 | { |
972cfd25 | 1091 | int c, idx = 1, ini_idx = 0; |
ebac4655 | 1092 | |
2e77841b | 1093 | while ((c = getopt(argc, argv, "t:o:lwvhm")) != EOF) { |
ebac4655 | 1094 | switch (c) { |
ebac4655 | 1095 | case 't': |
972cfd25 | 1096 | def_timeout = atoi(optarg); |
774a6177 | 1097 | idx = optind; |
ebac4655 | 1098 | break; |
ebac4655 JA |
1099 | case 'l': |
1100 | write_lat_log = 1; | |
774a6177 | 1101 | idx = optind; |
ebac4655 JA |
1102 | break; |
1103 | case 'w': | |
1104 | write_bw_log = 1; | |
774a6177 | 1105 | idx = optind; |
ebac4655 | 1106 | break; |
9ebc27e1 | 1107 | case 'o': |
eb8bbf48 JA |
1108 | f_out = fopen(optarg, "w+"); |
1109 | if (!f_out) { | |
1110 | perror("fopen output"); | |
1111 | exit(1); | |
1112 | } | |
1113 | f_err = f_out; | |
774a6177 | 1114 | idx = optind; |
eb8bbf48 | 1115 | break; |
c6ae0a5b JA |
1116 | case 'm': |
1117 | terse_output = 1; | |
774a6177 | 1118 | idx = optind; |
c6ae0a5b | 1119 | break; |
4785f995 | 1120 | case 'h': |
0ab8db89 | 1121 | usage(); |
4785f995 | 1122 | exit(0); |
ebac4655 JA |
1123 | case 'v': |
1124 | printf("%s\n", fio_version_string); | |
1125 | exit(0); | |
1126 | } | |
1127 | } | |
c9fad893 | 1128 | |
972cfd25 JA |
1129 | while (idx < argc) { |
1130 | ini_idx++; | |
1131 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1132 | ini_file[ini_idx - 1] = strdup(argv[idx]); | |
1133 | idx++; | |
1134 | } | |
774a6177 | 1135 | |
eb8bbf48 JA |
1136 | if (!f_out) { |
1137 | f_out = stdout; | |
1138 | f_err = stderr; | |
1139 | } | |
972cfd25 JA |
1140 | |
1141 | return ini_idx; | |
ebac4655 JA |
1142 | } |
1143 | ||
1144 | static void free_shm(void) | |
1145 | { | |
1146 | struct shmid_ds sbuf; | |
1147 | ||
1148 | if (threads) { | |
2c0ecd28 | 1149 | shmdt((void *) threads); |
ebac4655 JA |
1150 | threads = NULL; |
1151 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1152 | } | |
1153 | } | |
1154 | ||
906c8d75 JA |
1155 | /* |
1156 | * The thread area is shared between the main process and the job | |
1157 | * threads/processes. So setup a shared memory segment that will hold | |
1158 | * all the job info. | |
1159 | */ | |
ebac4655 JA |
1160 | static int setup_thread_area(void) |
1161 | { | |
1162 | /* | |
1163 | * 1024 is too much on some machines, scale max_jobs if | |
1164 | * we get a failure that looks like too large a shm segment | |
1165 | */ | |
1166 | do { | |
906c8d75 | 1167 | size_t size = max_jobs * sizeof(struct thread_data); |
ebac4655 | 1168 | |
906c8d75 | 1169 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
ebac4655 JA |
1170 | if (shm_id != -1) |
1171 | break; | |
1172 | if (errno != EINVAL) { | |
1173 | perror("shmget"); | |
1174 | break; | |
1175 | } | |
1176 | ||
1177 | max_jobs >>= 1; | |
1178 | } while (max_jobs); | |
1179 | ||
1180 | if (shm_id == -1) | |
1181 | return 1; | |
1182 | ||
1183 | threads = shmat(shm_id, NULL, 0); | |
1184 | if (threads == (void *) -1) { | |
1185 | perror("shmat"); | |
1186 | return 1; | |
1187 | } | |
1188 | ||
1189 | atexit(free_shm); | |
1190 | return 0; | |
1191 | } | |
1192 | ||
1193 | int parse_options(int argc, char *argv[]) | |
1194 | { | |
972cfd25 JA |
1195 | int job_files, i; |
1196 | ||
ebac4655 JA |
1197 | if (setup_thread_area()) |
1198 | return 1; | |
1199 | if (fill_def_thread()) | |
1200 | return 1; | |
1201 | ||
972cfd25 JA |
1202 | job_files = parse_cmd_line(argc, argv); |
1203 | if (!job_files) { | |
1204 | log_err("Need job file(s)\n"); | |
0ab8db89 | 1205 | usage(); |
ebac4655 JA |
1206 | return 1; |
1207 | } | |
1208 | ||
972cfd25 JA |
1209 | for (i = 0; i < job_files; i++) { |
1210 | if (fill_def_thread()) | |
1211 | return 1; | |
0c7e37a0 | 1212 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1213 | return 1; |
88c6ed80 | 1214 | free(ini_file[i]); |
972cfd25 | 1215 | } |
ebac4655 | 1216 | |
88c6ed80 | 1217 | free(ini_file); |
ebac4655 JA |
1218 | return 0; |
1219 | } |