Commit | Line | Data |
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ebac4655 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
3 | #include <unistd.h> | |
4 | #include <fcntl.h> | |
5 | #include <ctype.h> | |
6 | #include <string.h> | |
7 | #include <errno.h> | |
8 | #include <sys/ipc.h> | |
9 | #include <sys/shm.h> | |
10 | #include <sys/types.h> | |
11 | #include <sys/stat.h> | |
12 | ||
13 | #include "fio.h" | |
14 | ||
20dc95c4 JA |
15 | #define DEF_BS (4096) |
16 | #define DEF_TIMEOUT (0) | |
17 | #define DEF_RATE_CYCLE (1000) | |
18 | #define DEF_ODIRECT (1) | |
19 | #define DEF_IO_ENGINE (FIO_SYNCIO) | |
ebac4655 | 20 | #define DEF_IO_ENGINE_NAME "sync" |
20dc95c4 JA |
21 | #define DEF_SEQUENTIAL (1) |
22 | #define DEF_RAND_REPEAT (1) | |
23 | #define DEF_OVERWRITE (1) | |
24 | #define DEF_CREATE (1) | |
25 | #define DEF_INVALIDATE (1) | |
26 | #define DEF_SYNCIO (0) | |
27 | #define DEF_RANDSEED (0xb1899bedUL) | |
28 | #define DEF_BWAVGTIME (500) | |
29 | #define DEF_CREATE_SER (1) | |
ebac4655 | 30 | #define DEF_CREATE_FSYNC (1) |
20dc95c4 JA |
31 | #define DEF_LOOPS (1) |
32 | #define DEF_VERIFY (0) | |
33 | #define DEF_STONEWALL (0) | |
34 | #define DEF_NUMJOBS (1) | |
35 | #define DEF_USE_THREAD (0) | |
36 | #define DEF_FILE_SIZE (1024 * 1024 * 1024UL) | |
37 | #define DEF_ZONE_SIZE (0) | |
38 | #define DEF_ZONE_SKIP (0) | |
a6ccc7be JA |
39 | #define DEF_RWMIX_CYCLE (500) |
40 | #define DEF_RWMIX_READ (50) | |
b6f4d880 | 41 | #define DEF_NICE (0) |
ebac4655 | 42 | |
573275e7 | 43 | static char fio_version_string[] = "fio 1.4"; |
ebac4655 JA |
44 | |
45 | static int repeatable = DEF_RAND_REPEAT; | |
46 | static char *ini_file; | |
47 | static int max_jobs = MAX_JOBS; | |
48 | ||
49 | struct thread_data def_thread; | |
50 | struct thread_data *threads = NULL; | |
51 | ||
52 | int rate_quit = 0; | |
53 | int write_lat_log = 0; | |
54 | int write_bw_log = 0; | |
55 | int exitall_on_terminate = 0; | |
c04f7ec3 | 56 | unsigned long long mlock_size = 0; |
ebac4655 JA |
57 | |
58 | static int setup_rate(struct thread_data *td) | |
59 | { | |
60 | int nr_reads_per_sec; | |
61 | ||
62 | if (!td->rate) | |
63 | return 0; | |
64 | ||
65 | if (td->rate < td->ratemin) { | |
66 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
67 | return -1; | |
68 | } | |
69 | ||
70 | nr_reads_per_sec = (td->rate * 1024) / td->min_bs; | |
71 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; | |
72 | td->rate_pending_usleep = 0; | |
73 | return 0; | |
74 | } | |
75 | ||
76 | static void setup_log(struct io_log **log) | |
77 | { | |
78 | struct io_log *l = malloc(sizeof(*l)); | |
79 | ||
80 | l->nr_samples = 0; | |
81 | l->max_samples = 1024; | |
82 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); | |
83 | *log = l; | |
84 | } | |
85 | ||
86 | void finish_log(struct thread_data *td, struct io_log *log, const char *name) | |
87 | { | |
aea47d44 | 88 | char file_name[256]; |
ebac4655 JA |
89 | FILE *f; |
90 | unsigned int i; | |
91 | ||
aea47d44 | 92 | snprintf(file_name, 200, "client%d_%s.log", td->thread_number, name); |
ebac4655 JA |
93 | f = fopen(file_name, "w"); |
94 | if (!f) { | |
95 | perror("fopen log"); | |
96 | return; | |
97 | } | |
98 | ||
99 | for (i = 0; i < log->nr_samples; i++) | |
100 | fprintf(f, "%lu, %lu, %u\n", log->log[i].time, log->log[i].val, log->log[i].ddir); | |
101 | ||
102 | fclose(f); | |
103 | free(log->log); | |
104 | free(log); | |
105 | } | |
106 | ||
107 | static struct thread_data *get_new_job(int global, struct thread_data *parent) | |
108 | { | |
109 | struct thread_data *td; | |
110 | ||
111 | if (global) | |
112 | return &def_thread; | |
113 | if (thread_number >= max_jobs) | |
114 | return NULL; | |
115 | ||
116 | td = &threads[thread_number++]; | |
4ae3f763 JA |
117 | if (parent) |
118 | *td = *parent; | |
119 | else | |
120 | memset(td, 0, sizeof(*td)); | |
ebac4655 JA |
121 | |
122 | td->fd = -1; | |
123 | td->thread_number = thread_number; | |
124 | ||
125 | td->ddir = parent->ddir; | |
126 | td->ioprio = parent->ioprio; | |
127 | td->sequential = parent->sequential; | |
128 | td->bs = parent->bs; | |
129 | td->min_bs = parent->min_bs; | |
130 | td->max_bs = parent->max_bs; | |
131 | td->odirect = parent->odirect; | |
132 | td->thinktime = parent->thinktime; | |
133 | td->fsync_blocks = parent->fsync_blocks; | |
134 | td->start_delay = parent->start_delay; | |
135 | td->timeout = parent->timeout; | |
136 | td->io_engine = parent->io_engine; | |
137 | td->create_file = parent->create_file; | |
138 | td->overwrite = parent->overwrite; | |
139 | td->invalidate_cache = parent->invalidate_cache; | |
140 | td->file_size = parent->file_size; | |
141 | td->file_offset = parent->file_offset; | |
20dc95c4 JA |
142 | td->zone_size = parent->zone_size; |
143 | td->zone_skip = parent->zone_skip; | |
ebac4655 JA |
144 | td->rate = parent->rate; |
145 | td->ratemin = parent->ratemin; | |
146 | td->ratecycle = parent->ratecycle; | |
147 | td->iodepth = parent->iodepth; | |
148 | td->sync_io = parent->sync_io; | |
149 | td->mem_type = parent->mem_type; | |
150 | td->bw_avg_time = parent->bw_avg_time; | |
151 | td->create_serialize = parent->create_serialize; | |
152 | td->create_fsync = parent->create_fsync; | |
153 | td->loops = parent->loops; | |
154 | td->verify = parent->verify; | |
155 | td->stonewall = parent->stonewall; | |
156 | td->numjobs = parent->numjobs; | |
157 | td->use_thread = parent->use_thread; | |
158 | td->do_disk_util = parent->do_disk_util; | |
159 | memcpy(&td->cpumask, &parent->cpumask, sizeof(td->cpumask)); | |
160 | strcpy(td->io_engine_name, parent->io_engine_name); | |
161 | ||
162 | return td; | |
163 | } | |
164 | ||
165 | static void put_job(struct thread_data *td) | |
166 | { | |
167 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
168 | thread_number--; | |
169 | } | |
170 | ||
75154845 | 171 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 172 | { |
3d60d1ed JA |
173 | char *ddir_str[] = { "read", "write", "randread", "randwrite", |
174 | "rw", NULL, "randrw" }; | |
ebac4655 JA |
175 | struct stat sb; |
176 | int numjobs, ddir; | |
177 | ||
178 | #ifndef FIO_HAVE_LIBAIO | |
179 | if (td->io_engine == FIO_LIBAIO) { | |
180 | fprintf(stderr, "Linux libaio not available\n"); | |
181 | return 1; | |
182 | } | |
183 | #endif | |
184 | #ifndef FIO_HAVE_POSIXAIO | |
185 | if (td->io_engine == FIO_POSIXAIO) { | |
186 | fprintf(stderr, "posix aio not available\n"); | |
187 | return 1; | |
188 | } | |
189 | #endif | |
ebac4655 JA |
190 | |
191 | /* | |
192 | * the def_thread is just for options, it's not a real job | |
193 | */ | |
194 | if (td == &def_thread) | |
195 | return 0; | |
196 | ||
197 | if (td->io_engine & FIO_SYNCIO) | |
198 | td->iodepth = 1; | |
199 | else { | |
200 | if (!td->iodepth) | |
201 | td->iodepth = 1; | |
202 | } | |
203 | ||
20dc95c4 JA |
204 | /* |
205 | * only really works for sequential io for now | |
206 | */ | |
207 | if (td->zone_size && !td->sequential) | |
208 | td->zone_size = 0; | |
209 | ||
ebac4655 | 210 | td->filetype = FIO_TYPE_FILE; |
0af7b542 JA |
211 | if (!stat(jobname, &sb)) { |
212 | if (S_ISBLK(sb.st_mode)) | |
213 | td->filetype = FIO_TYPE_BD; | |
214 | else if (S_ISCHR(sb.st_mode)) | |
215 | td->filetype = FIO_TYPE_CHAR; | |
216 | } | |
ebac4655 JA |
217 | |
218 | if (td->filetype == FIO_TYPE_FILE) { | |
ef899b63 | 219 | if (td->directory && td->directory[0] != '\0') |
eba09dd3 | 220 | sprintf(td->file_name, "%s/%s.%d", td->directory, jobname, td->jobnum); |
ebac4655 | 221 | else |
eba09dd3 | 222 | sprintf(td->file_name, "%s.%d", jobname, td->jobnum); |
ebac4655 | 223 | } else |
aea47d44 | 224 | strncpy(td->file_name, jobname, sizeof(td->file_name) - 1); |
ebac4655 JA |
225 | |
226 | sem_init(&td->mutex, 0, 0); | |
227 | ||
228 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; | |
229 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; | |
230 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; | |
231 | ||
232 | if (td->min_bs == -1U) | |
233 | td->min_bs = td->bs; | |
234 | if (td->max_bs == -1U) | |
235 | td->max_bs = td->bs; | |
3d60d1ed | 236 | if (td_read(td) && !td_rw(td)) |
ebac4655 JA |
237 | td->verify = 0; |
238 | ||
239 | if (td->stonewall && td->thread_number > 1) | |
240 | groupid++; | |
241 | ||
242 | td->groupid = groupid; | |
243 | ||
244 | if (setup_rate(td)) | |
245 | goto err; | |
246 | ||
247 | if (write_lat_log) { | |
248 | setup_log(&td->slat_log); | |
249 | setup_log(&td->clat_log); | |
250 | } | |
251 | if (write_bw_log) | |
252 | setup_log(&td->bw_log); | |
253 | ||
01452055 JA |
254 | if (td->name[0] == '\0') |
255 | snprintf(td->name, sizeof(td->name)-1, "client%d", td->thread_number); | |
256 | ||
3d60d1ed | 257 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
75154845 JA |
258 | |
259 | if (!job_add_num) | |
01452055 | 260 | printf("%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_engine_name, td->iodepth); |
75154845 JA |
261 | else if (job_add_num == 1) |
262 | printf("...\n"); | |
ebac4655 JA |
263 | |
264 | /* | |
265 | * recurse add identical jobs, clear numjobs and stonewall options | |
266 | * as they don't apply to sub-jobs | |
267 | */ | |
268 | numjobs = td->numjobs; | |
269 | while (--numjobs) { | |
270 | struct thread_data *td_new = get_new_job(0, td); | |
271 | ||
272 | if (!td_new) | |
273 | goto err; | |
274 | ||
275 | td_new->numjobs = 1; | |
276 | td_new->stonewall = 0; | |
eba09dd3 | 277 | td_new->jobnum = numjobs; |
75154845 | 278 | job_add_num = numjobs - 1; |
ebac4655 | 279 | |
75154845 | 280 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
281 | goto err; |
282 | } | |
283 | return 0; | |
284 | err: | |
285 | put_job(td); | |
286 | return -1; | |
287 | } | |
288 | ||
289 | int init_random_state(struct thread_data *td) | |
290 | { | |
a6ccc7be | 291 | unsigned long seeds[4]; |
ebac4655 JA |
292 | int fd, num_maps, blocks; |
293 | ||
1ac267bb | 294 | fd = open("/dev/urandom", O_RDONLY); |
ebac4655 JA |
295 | if (fd == -1) { |
296 | td_verror(td, errno); | |
297 | return 1; | |
298 | } | |
299 | ||
a6ccc7be | 300 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
ebac4655 JA |
301 | td_verror(td, EIO); |
302 | close(fd); | |
303 | return 1; | |
304 | } | |
305 | ||
306 | close(fd); | |
307 | ||
a6ccc7be JA |
308 | srand48_r(seeds[0], &td->bsrange_state); |
309 | srand48_r(seeds[1], &td->verify_state); | |
310 | srand48_r(seeds[2], &td->rwmix_state); | |
ebac4655 JA |
311 | |
312 | if (td->sequential) | |
313 | return 0; | |
314 | ||
315 | if (repeatable) | |
a6ccc7be | 316 | seeds[3] = DEF_RANDSEED; |
ebac4655 JA |
317 | |
318 | blocks = (td->io_size + td->min_bs - 1) / td->min_bs; | |
319 | num_maps = blocks / BLOCKS_PER_MAP; | |
320 | td->file_map = malloc(num_maps * sizeof(long)); | |
321 | td->num_maps = num_maps; | |
322 | memset(td->file_map, 0, num_maps * sizeof(long)); | |
323 | ||
a6ccc7be | 324 | srand48_r(seeds[3], &td->random_state); |
ebac4655 JA |
325 | return 0; |
326 | } | |
327 | ||
328 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) | |
329 | { | |
330 | #ifdef FIO_HAVE_CPU_AFFINITY | |
331 | unsigned int i; | |
332 | ||
333 | CPU_ZERO(&cpumask); | |
334 | ||
335 | for (i = 0; i < sizeof(int) * 8; i++) { | |
336 | if ((1 << i) & cpu) | |
337 | CPU_SET(i, &cpumask); | |
338 | } | |
339 | #endif | |
340 | } | |
341 | ||
342 | static unsigned long get_mult(char c) | |
343 | { | |
344 | switch (c) { | |
345 | case 'k': | |
346 | case 'K': | |
347 | return 1024; | |
348 | case 'm': | |
349 | case 'M': | |
350 | return 1024 * 1024; | |
351 | case 'g': | |
352 | case 'G': | |
353 | return 1024 * 1024 * 1024; | |
354 | default: | |
355 | return 1; | |
356 | } | |
357 | } | |
358 | ||
359 | /* | |
360 | * convert string after '=' into decimal value, noting any size suffix | |
361 | */ | |
362 | static int str_cnv(char *p, unsigned long long *val) | |
363 | { | |
364 | char *str; | |
365 | int len; | |
366 | ||
f5d3e5ec | 367 | str = strchr(p, '='); |
ebac4655 JA |
368 | if (!str) |
369 | return 1; | |
370 | ||
371 | str++; | |
372 | len = strlen(str); | |
373 | ||
374 | *val = strtoul(str, NULL, 10); | |
375 | if (*val == ULONG_MAX && errno == ERANGE) | |
376 | return 1; | |
377 | ||
9d0d4247 | 378 | *val *= get_mult(str[len - 1]); |
ebac4655 JA |
379 | return 0; |
380 | } | |
381 | ||
382 | static int check_strcnv(char *p, char *name, unsigned long long *val) | |
383 | { | |
20dc95c4 | 384 | if (strncmp(p, name, strlen(name) - 1)) |
ebac4655 JA |
385 | return 1; |
386 | ||
387 | return str_cnv(p, val); | |
388 | } | |
389 | ||
390 | static void strip_blank_front(char **p) | |
391 | { | |
392 | char *s = *p; | |
393 | ||
4ae3f763 | 394 | while (isspace(*s)) |
ebac4655 JA |
395 | s++; |
396 | } | |
397 | ||
398 | static void strip_blank_end(char *p) | |
399 | { | |
4ae3f763 | 400 | char *s = p + strlen(p) - 1; |
ebac4655 | 401 | |
4ae3f763 JA |
402 | while (isspace(*s) || iscntrl(*s)) |
403 | s--; | |
aea47d44 | 404 | |
4ae3f763 | 405 | *(s + 1) = '\0'; |
aea47d44 JA |
406 | } |
407 | ||
ebac4655 JA |
408 | typedef int (str_cb_fn)(struct thread_data *, char *); |
409 | ||
410 | static int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td) | |
411 | { | |
843a7413 | 412 | char *s; |
ebac4655 | 413 | |
843a7413 JA |
414 | if (strncmp(p, name, strlen(name))) |
415 | return 1; | |
416 | ||
417 | s = strstr(p, name); | |
ebac4655 JA |
418 | if (!s) |
419 | return 1; | |
420 | ||
f5d3e5ec | 421 | s = strchr(s, '='); |
ebac4655 JA |
422 | if (!s) |
423 | return 1; | |
424 | ||
425 | s++; | |
426 | strip_blank_front(&s); | |
427 | return cb(td, s); | |
428 | } | |
429 | ||
430 | static int check_strstore(char *p, char *name, char *dest) | |
431 | { | |
843a7413 | 432 | char *s; |
ebac4655 | 433 | |
843a7413 JA |
434 | if (strncmp(p, name, strlen(name))) |
435 | return 1; | |
436 | ||
437 | s = strstr(p, name); | |
ebac4655 JA |
438 | if (!s) |
439 | return 1; | |
440 | ||
f5d3e5ec | 441 | s = strchr(p, '='); |
ebac4655 JA |
442 | if (!s) |
443 | return 1; | |
444 | ||
445 | s++; | |
446 | strip_blank_front(&s); | |
447 | ||
448 | strcpy(dest, s); | |
ebac4655 JA |
449 | return 0; |
450 | } | |
451 | ||
01617be6 | 452 | static int __check_range(char *str, unsigned long *val) |
ebac4655 | 453 | { |
01617be6 | 454 | char suffix; |
ebac4655 | 455 | |
01617be6 JA |
456 | if (sscanf(str, "%lu%c", val, &suffix) == 2) { |
457 | *val *= get_mult(suffix); | |
ebac4655 JA |
458 | return 0; |
459 | } | |
460 | ||
01617be6 | 461 | if (sscanf(str, "%lu", val) == 1) |
ebac4655 | 462 | return 0; |
ebac4655 | 463 | |
01617be6 JA |
464 | return 1; |
465 | } | |
466 | ||
467 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) | |
468 | { | |
469 | char option[128]; | |
470 | char *str, *p1, *p2; | |
471 | ||
843a7413 JA |
472 | if (strncmp(p, name, strlen(name))) |
473 | return 1; | |
474 | ||
01617be6 JA |
475 | strcpy(option, p); |
476 | p = option; | |
477 | ||
478 | str = strstr(p, name); | |
479 | if (!str) | |
480 | return 1; | |
ebac4655 | 481 | |
01617be6 JA |
482 | p += strlen(name); |
483 | ||
484 | str = strchr(p, '='); | |
485 | if (!str) | |
486 | return 1; | |
487 | ||
488 | /* | |
489 | * 'p' now holds whatever is after the '=' sign | |
490 | */ | |
491 | p1 = str + 1; | |
492 | ||
493 | /* | |
494 | * terminate p1 at the '-' sign | |
495 | */ | |
496 | p = strchr(p1, '-'); | |
497 | if (!p) | |
498 | return 1; | |
499 | ||
500 | p2 = p + 1; | |
501 | *p = '\0'; | |
502 | ||
503 | if (!__check_range(p1, s) && !__check_range(p2, e)) | |
ebac4655 JA |
504 | return 0; |
505 | ||
506 | return 1; | |
ebac4655 JA |
507 | } |
508 | ||
509 | static int check_int(char *p, char *name, unsigned int *val) | |
510 | { | |
f5d3e5ec | 511 | char *str; |
ebac4655 | 512 | |
b6754f9d JA |
513 | if (strncmp(p, name, strlen(name))) |
514 | return 1; | |
515 | ||
f5d3e5ec JA |
516 | str = strstr(p, name); |
517 | if (!str) | |
518 | return 1; | |
519 | ||
520 | str = strchr(p, '='); | |
521 | if (!str) | |
522 | return 1; | |
523 | ||
524 | str++; | |
ebac4655 | 525 | |
f5d3e5ec | 526 | if (sscanf(str, "%u", val) == 1) |
ebac4655 JA |
527 | return 0; |
528 | ||
529 | return 1; | |
530 | } | |
531 | ||
532 | static int check_strset(char *p, char *name) | |
533 | { | |
534 | return strncmp(p, name, strlen(name)); | |
535 | } | |
536 | ||
537 | static int is_empty_or_comment(char *line) | |
538 | { | |
539 | unsigned int i; | |
540 | ||
541 | for (i = 0; i < strlen(line); i++) { | |
542 | if (line[i] == ';') | |
543 | return 1; | |
544 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
545 | return 0; | |
546 | } | |
547 | ||
548 | return 1; | |
549 | } | |
550 | ||
551 | static int str_rw_cb(struct thread_data *td, char *mem) | |
552 | { | |
553 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { | |
554 | td->ddir = DDIR_READ; | |
555 | td->sequential = 1; | |
556 | return 0; | |
557 | } else if (!strncmp(mem, "randread", 8)) { | |
558 | td->ddir = DDIR_READ; | |
559 | td->sequential = 0; | |
560 | return 0; | |
561 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { | |
562 | td->ddir = DDIR_WRITE; | |
563 | td->sequential = 1; | |
564 | return 0; | |
565 | } else if (!strncmp(mem, "randwrite", 9)) { | |
566 | td->ddir = DDIR_WRITE; | |
567 | td->sequential = 0; | |
568 | return 0; | |
3d60d1ed JA |
569 | } else if (!strncmp(mem, "rw", 2)) { |
570 | td->ddir = 0; | |
571 | td->iomix = 1; | |
572 | td->sequential = 1; | |
573 | return 0; | |
574 | } else if (!strncmp(mem, "randrw", 6)) { | |
575 | td->ddir = 0; | |
576 | td->iomix = 1; | |
577 | td->sequential = 0; | |
578 | return 0; | |
ebac4655 JA |
579 | } |
580 | ||
07261983 | 581 | fprintf(stderr, "fio: data direction: read, write, randread, randwrite, rw, randrw\n"); |
ebac4655 JA |
582 | return 1; |
583 | } | |
584 | ||
585 | static int str_verify_cb(struct thread_data *td, char *mem) | |
586 | { | |
587 | if (!strncmp(mem, "0", 1)) { | |
588 | td->verify = VERIFY_NONE; | |
589 | return 0; | |
590 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { | |
591 | td->verify = VERIFY_MD5; | |
592 | return 0; | |
593 | } else if (!strncmp(mem, "crc32", 5)) { | |
594 | td->verify = VERIFY_CRC32; | |
595 | return 0; | |
596 | } | |
597 | ||
07261983 | 598 | fprintf(stderr, "fio: verify types: md5, crc32\n"); |
ebac4655 JA |
599 | return 1; |
600 | } | |
601 | ||
602 | static int str_mem_cb(struct thread_data *td, char *mem) | |
603 | { | |
604 | if (!strncmp(mem, "malloc", 6)) { | |
605 | td->mem_type = MEM_MALLOC; | |
606 | return 0; | |
607 | } else if (!strncmp(mem, "shm", 3)) { | |
608 | td->mem_type = MEM_SHM; | |
609 | return 0; | |
610 | } else if (!strncmp(mem, "mmap", 4)) { | |
611 | td->mem_type = MEM_MMAP; | |
612 | return 0; | |
613 | } | |
614 | ||
07261983 | 615 | fprintf(stderr, "fio: mem type: malloc, shm, mmap\n"); |
ebac4655 JA |
616 | return 1; |
617 | } | |
618 | ||
619 | static int str_ioengine_cb(struct thread_data *td, char *str) | |
620 | { | |
621 | if (!strncmp(str, "linuxaio", 8) || !strncmp(str, "aio", 3) || | |
622 | !strncmp(str, "libaio", 6)) { | |
623 | strcpy(td->io_engine_name, "libaio"); | |
624 | td->io_engine = FIO_LIBAIO; | |
625 | return 0; | |
626 | } else if (!strncmp(str, "posixaio", 8)) { | |
627 | strcpy(td->io_engine_name, "posixaio"); | |
628 | td->io_engine = FIO_POSIXAIO; | |
629 | return 0; | |
630 | } else if (!strncmp(str, "sync", 4)) { | |
631 | strcpy(td->io_engine_name, "sync"); | |
632 | td->io_engine = FIO_SYNCIO; | |
633 | return 0; | |
634 | } else if (!strncmp(str, "mmap", 4)) { | |
635 | strcpy(td->io_engine_name, "mmap"); | |
636 | td->io_engine = FIO_MMAPIO; | |
637 | return 0; | |
638 | } else if (!strncmp(str, "sgio", 4)) { | |
639 | strcpy(td->io_engine_name, "sgio"); | |
640 | td->io_engine = FIO_SGIO; | |
641 | return 0; | |
8756e4d4 JA |
642 | } else if (!strncmp(str, "splice", 6)) { |
643 | strcpy(td->io_engine_name, "splice"); | |
644 | td->io_engine = FIO_SPLICEIO; | |
645 | return 0; | |
ebac4655 JA |
646 | } |
647 | ||
07261983 | 648 | fprintf(stderr, "fio: ioengine: { linuxaio, aio, libaio }, posixaio, sync, mmap, sgio, splice\n"); |
ebac4655 JA |
649 | return 1; |
650 | } | |
651 | ||
07261983 JA |
652 | /* |
653 | * This is our [ini] type file parser. | |
654 | */ | |
ebac4655 JA |
655 | int parse_jobs_ini(char *file) |
656 | { | |
a6ccc7be | 657 | unsigned int prioclass, prio, cpu, global, il; |
ebac4655 JA |
658 | unsigned long long ull; |
659 | unsigned long ul1, ul2; | |
660 | struct thread_data *td; | |
ef899b63 | 661 | char *string, *name, *tmpbuf; |
ebac4655 JA |
662 | fpos_t off; |
663 | FILE *f; | |
664 | char *p; | |
665 | ||
666 | f = fopen(file, "r"); | |
667 | if (!f) { | |
aea47d44 | 668 | perror("fopen job file"); |
ebac4655 JA |
669 | return 1; |
670 | } | |
671 | ||
672 | string = malloc(4096); | |
673 | name = malloc(256); | |
ef899b63 | 674 | tmpbuf = malloc(4096); |
ebac4655 JA |
675 | |
676 | while ((p = fgets(string, 4096, f)) != NULL) { | |
677 | if (is_empty_or_comment(p)) | |
678 | continue; | |
679 | if (sscanf(p, "[%s]", name) != 1) | |
680 | continue; | |
681 | ||
682 | global = !strncmp(name, "global", 6); | |
683 | ||
684 | name[strlen(name) - 1] = '\0'; | |
685 | ||
686 | td = get_new_job(global, &def_thread); | |
687 | if (!td) | |
688 | return 1; | |
689 | ||
ebac4655 JA |
690 | fgetpos(f, &off); |
691 | while ((p = fgets(string, 4096, f)) != NULL) { | |
692 | if (is_empty_or_comment(p)) | |
693 | continue; | |
694 | if (strstr(p, "[")) | |
695 | break; | |
b6754f9d | 696 | strip_blank_front(&p); |
4ae3f763 | 697 | strip_blank_end(p); |
aea47d44 | 698 | |
ebac4655 JA |
699 | if (!check_int(p, "prio", &prio)) { |
700 | #ifndef FIO_HAVE_IOPRIO | |
701 | fprintf(stderr, "io priorities not available\n"); | |
702 | return 1; | |
703 | #endif | |
8756e4d4 | 704 | td->ioprio |= prio; |
ebac4655 JA |
705 | fgetpos(f, &off); |
706 | continue; | |
707 | } | |
708 | if (!check_int(p, "prioclass", &prioclass)) { | |
709 | #ifndef FIO_HAVE_IOPRIO | |
710 | fprintf(stderr, "io priorities not available\n"); | |
711 | return 1; | |
712 | #endif | |
8756e4d4 | 713 | td->ioprio |= prioclass << IOPRIO_CLASS_SHIFT; |
ebac4655 JA |
714 | fgetpos(f, &off); |
715 | continue; | |
716 | } | |
717 | if (!check_int(p, "direct", &td->odirect)) { | |
718 | fgetpos(f, &off); | |
719 | continue; | |
720 | } | |
721 | if (!check_int(p, "rate", &td->rate)) { | |
722 | fgetpos(f, &off); | |
723 | continue; | |
724 | } | |
725 | if (!check_int(p, "ratemin", &td->ratemin)) { | |
726 | fgetpos(f, &off); | |
727 | continue; | |
728 | } | |
729 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
730 | fgetpos(f, &off); | |
731 | continue; | |
732 | } | |
733 | if (!check_int(p, "thinktime", &td->thinktime)) { | |
734 | fgetpos(f, &off); | |
735 | continue; | |
736 | } | |
737 | if (!check_int(p, "cpumask", &cpu)) { | |
738 | #ifndef FIO_HAVE_CPU_AFFINITY | |
739 | fprintf(stderr, "cpu affinity not available\n"); | |
740 | return 1; | |
741 | #endif | |
742 | fill_cpu_mask(td->cpumask, cpu); | |
743 | fgetpos(f, &off); | |
744 | continue; | |
745 | } | |
746 | if (!check_int(p, "fsync", &td->fsync_blocks)) { | |
747 | fgetpos(f, &off); | |
fc1a4713 | 748 | td->end_fsync = 1; |
ebac4655 JA |
749 | continue; |
750 | } | |
751 | if (!check_int(p, "startdelay", &td->start_delay)) { | |
752 | fgetpos(f, &off); | |
753 | continue; | |
754 | } | |
755 | if (!check_int(p, "timeout", &td->timeout)) { | |
756 | fgetpos(f, &off); | |
757 | continue; | |
758 | } | |
759 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { | |
760 | fgetpos(f, &off); | |
761 | continue; | |
762 | } | |
763 | if (!check_int(p, "iodepth", &td->iodepth)) { | |
764 | fgetpos(f, &off); | |
765 | continue; | |
766 | } | |
767 | if (!check_int(p, "sync", &td->sync_io)) { | |
768 | fgetpos(f, &off); | |
769 | continue; | |
770 | } | |
771 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { | |
772 | fgetpos(f, &off); | |
773 | continue; | |
774 | } | |
775 | if (!check_int(p, "create_serialize", &td->create_serialize)) { | |
776 | fgetpos(f, &off); | |
777 | continue; | |
778 | } | |
779 | if (!check_int(p, "create_fsync", &td->create_fsync)) { | |
780 | fgetpos(f, &off); | |
781 | continue; | |
782 | } | |
fc1a4713 JA |
783 | if (!check_int(p, "end_fsync", &td->end_fsync)) { |
784 | fgetpos(f, &off); | |
785 | continue; | |
786 | } | |
ebac4655 JA |
787 | if (!check_int(p, "loops", &td->loops)) { |
788 | fgetpos(f, &off); | |
789 | continue; | |
790 | } | |
791 | if (!check_int(p, "numjobs", &td->numjobs)) { | |
792 | fgetpos(f, &off); | |
793 | continue; | |
794 | } | |
795 | if (!check_int(p, "overwrite", &td->overwrite)) { | |
796 | fgetpos(f, &off); | |
797 | continue; | |
798 | } | |
a6ccc7be JA |
799 | if (!check_int(p, "rwmixcycle", &td->rwmixcycle)) { |
800 | fgetpos(f, &off); | |
801 | continue; | |
802 | } | |
803 | if (!check_int(p, "rwmixread", &il)) { | |
804 | if (il > 100) | |
805 | il = 100; | |
806 | td->rwmixread = il; | |
807 | fgetpos(f, &off); | |
808 | continue; | |
809 | } | |
810 | if (!check_int(p, "rwmixwrite", &il)) { | |
811 | if (il > 100) | |
812 | il = 100; | |
813 | td->rwmixread = 100 - il; | |
814 | fgetpos(f, &off); | |
815 | continue; | |
816 | } | |
b6f4d880 JA |
817 | if (!check_int(p, "nice", &td->nice)) { |
818 | fgetpos(f, &off); | |
819 | continue; | |
820 | } | |
ebac4655 JA |
821 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
822 | if (ul1 > ul2) { | |
823 | td->max_bs = ul1; | |
824 | td->min_bs = ul2; | |
825 | } else { | |
826 | td->max_bs = ul2; | |
827 | td->min_bs = ul1; | |
828 | } | |
829 | fgetpos(f, &off); | |
830 | continue; | |
831 | } | |
832 | if (!check_strcnv(p, "bs", &ull)) { | |
833 | td->bs = ull; | |
834 | fgetpos(f, &off); | |
835 | continue; | |
836 | } | |
837 | if (!check_strcnv(p, "size", &td->file_size)) { | |
838 | fgetpos(f, &off); | |
839 | continue; | |
840 | } | |
841 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
842 | fgetpos(f, &off); | |
20dc95c4 JA |
843 | continue; |
844 | } | |
845 | if (!check_strcnv(p, "zonesize", &td->zone_size)) { | |
846 | fgetpos(f, &off); | |
847 | continue; | |
848 | } | |
849 | if (!check_strcnv(p, "zoneskip", &td->zone_skip)) { | |
850 | fgetpos(f, &off); | |
ebac4655 JA |
851 | continue; |
852 | } | |
c04f7ec3 JA |
853 | if (!check_strcnv(p, "lockmem", &mlock_size)) { |
854 | fgetpos(f, &off); | |
855 | continue; | |
856 | } | |
ef899b63 JA |
857 | if (!check_strstore(p, "directory", tmpbuf)) { |
858 | td->directory = strdup(tmpbuf); | |
ebac4655 JA |
859 | fgetpos(f, &off); |
860 | continue; | |
861 | } | |
01452055 JA |
862 | if (!check_strstore(p, "name", tmpbuf)) { |
863 | snprintf(td->name, sizeof(td->name)-1, "%s%d", tmpbuf, td->thread_number); | |
864 | fgetpos(f, &off); | |
865 | continue; | |
866 | } | |
ebac4655 JA |
867 | if (!check_str(p, "mem", str_mem_cb, td)) { |
868 | fgetpos(f, &off); | |
869 | continue; | |
870 | } | |
871 | if (!check_str(p, "verify", str_verify_cb, td)) { | |
872 | fgetpos(f, &off); | |
873 | continue; | |
874 | } | |
875 | if (!check_str(p, "rw", str_rw_cb, td)) { | |
876 | fgetpos(f, &off); | |
877 | continue; | |
878 | } | |
879 | if (!check_str(p, "ioengine", str_ioengine_cb, td)) { | |
880 | fgetpos(f, &off); | |
881 | continue; | |
882 | } | |
883 | if (!check_strset(p, "create")) { | |
884 | td->create_file = 1; | |
885 | fgetpos(f, &off); | |
886 | continue; | |
887 | } | |
888 | if (!check_strset(p, "exitall")) { | |
889 | exitall_on_terminate = 1; | |
890 | fgetpos(f, &off); | |
891 | continue; | |
892 | } | |
893 | if (!check_strset(p, "stonewall")) { | |
894 | td->stonewall = 1; | |
895 | fgetpos(f, &off); | |
896 | continue; | |
897 | } | |
898 | if (!check_strset(p, "thread")) { | |
899 | td->use_thread = 1; | |
900 | fgetpos(f, &off); | |
901 | continue; | |
902 | } | |
80b9feb0 JA |
903 | if (!check_strstore(p, "iolog", tmpbuf)) { |
904 | td->iolog_file = strdup(tmpbuf); | |
843a7413 JA |
905 | td->read_iolog = 1; |
906 | td->write_iolog = 0; | |
907 | fgetpos(f, &off); | |
908 | continue; | |
909 | } | |
910 | if (!td->read_iolog && | |
80b9feb0 JA |
911 | !check_strstore(p, "write_iolog", tmpbuf)) { |
912 | td->iolog_file = strdup(tmpbuf); | |
843a7413 | 913 | td->write_iolog = 1; |
aea47d44 JA |
914 | fgetpos(f, &off); |
915 | continue; | |
916 | } | |
80b9feb0 JA |
917 | if (!check_strstore(p, "exec_prerun", tmpbuf)) { |
918 | td->exec_prerun = strdup(tmpbuf); | |
4e0ba8af JA |
919 | fgetpos(f, &off); |
920 | continue; | |
921 | } | |
80b9feb0 JA |
922 | if (!check_strstore(p, "exec_postrun", tmpbuf)) { |
923 | td->exec_postrun = strdup(tmpbuf); | |
4e0ba8af JA |
924 | fgetpos(f, &off); |
925 | continue; | |
926 | } | |
80b9feb0 JA |
927 | if (!check_strstore(p, "ioscheduler", tmpbuf)) { |
928 | td->ioscheduler = strdup(tmpbuf); | |
da86774e JA |
929 | fgetpos(f, &off); |
930 | continue; | |
931 | } | |
ebac4655 JA |
932 | |
933 | printf("Client%d: bad option %s\n",td->thread_number,p); | |
aea47d44 | 934 | return 1; |
ebac4655 JA |
935 | } |
936 | fsetpos(f, &off); | |
937 | ||
75154845 | 938 | if (add_job(td, name, 0)) |
ebac4655 JA |
939 | return 1; |
940 | } | |
941 | ||
942 | free(string); | |
943 | free(name); | |
ef899b63 | 944 | free(tmpbuf); |
ebac4655 JA |
945 | fclose(f); |
946 | return 0; | |
947 | } | |
948 | ||
949 | static int fill_def_thread(void) | |
950 | { | |
951 | memset(&def_thread, 0, sizeof(def_thread)); | |
952 | ||
953 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { | |
954 | perror("sched_getaffinity"); | |
955 | return 1; | |
956 | } | |
957 | ||
958 | /* | |
959 | * fill globals | |
960 | */ | |
961 | def_thread.ddir = DDIR_READ; | |
3d60d1ed | 962 | def_thread.iomix = 0; |
ebac4655 JA |
963 | def_thread.bs = DEF_BS; |
964 | def_thread.min_bs = -1; | |
965 | def_thread.max_bs = -1; | |
966 | def_thread.io_engine = DEF_IO_ENGINE; | |
967 | strcpy(def_thread.io_engine_name, DEF_IO_ENGINE_NAME); | |
968 | def_thread.odirect = DEF_ODIRECT; | |
969 | def_thread.ratecycle = DEF_RATE_CYCLE; | |
970 | def_thread.sequential = DEF_SEQUENTIAL; | |
971 | def_thread.timeout = DEF_TIMEOUT; | |
972 | def_thread.create_file = DEF_CREATE; | |
973 | def_thread.overwrite = DEF_OVERWRITE; | |
974 | def_thread.invalidate_cache = DEF_INVALIDATE; | |
975 | def_thread.sync_io = DEF_SYNCIO; | |
976 | def_thread.mem_type = MEM_MALLOC; | |
977 | def_thread.bw_avg_time = DEF_BWAVGTIME; | |
978 | def_thread.create_serialize = DEF_CREATE_SER; | |
979 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
980 | def_thread.loops = DEF_LOOPS; | |
981 | def_thread.verify = DEF_VERIFY; | |
982 | def_thread.stonewall = DEF_STONEWALL; | |
983 | def_thread.numjobs = DEF_NUMJOBS; | |
984 | def_thread.use_thread = DEF_USE_THREAD; | |
a6ccc7be JA |
985 | def_thread.rwmixcycle = DEF_RWMIX_CYCLE; |
986 | def_thread.rwmixread = DEF_RWMIX_READ; | |
b6f4d880 | 987 | def_thread.nice = DEF_NICE; |
ebac4655 JA |
988 | #ifdef FIO_HAVE_DISK_UTIL |
989 | def_thread.do_disk_util = 1; | |
990 | #endif | |
991 | ||
992 | return 0; | |
993 | } | |
994 | ||
4785f995 JA |
995 | static void usage(char *name) |
996 | { | |
997 | printf("%s\n", fio_version_string); | |
998 | printf("\t-s IO is sequential\n"); | |
999 | printf("\t-b Block size in KiB for each IO\n"); | |
1000 | printf("\t-t Runtime in seconds\n"); | |
1001 | printf("\t-R Exit all threads on failure to meet rate goal\n"); | |
1002 | printf("\t-o Use O_DIRECT\n"); | |
1003 | printf("\t-l Generate per-job latency logs\n"); | |
1004 | printf("\t-w Generate per-job bandwidth logs\n"); | |
1005 | printf("\t-f Job file (Required)\n"); | |
1006 | printf("\t-v Print version info and exit\n"); | |
1007 | } | |
1008 | ||
ebac4655 JA |
1009 | static void parse_cmd_line(int argc, char *argv[]) |
1010 | { | |
1011 | int c; | |
1012 | ||
4785f995 | 1013 | while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwvh")) != EOF) { |
ebac4655 JA |
1014 | switch (c) { |
1015 | case 's': | |
1016 | def_thread.sequential = !!atoi(optarg); | |
1017 | break; | |
1018 | case 'b': | |
1019 | def_thread.bs = atoi(optarg); | |
1020 | def_thread.bs <<= 10; | |
1021 | if (!def_thread.bs) { | |
1022 | printf("bad block size\n"); | |
1023 | def_thread.bs = DEF_BS; | |
1024 | } | |
1025 | break; | |
1026 | case 't': | |
1027 | def_thread.timeout = atoi(optarg); | |
1028 | break; | |
1029 | case 'r': | |
1030 | repeatable = !!atoi(optarg); | |
1031 | break; | |
1032 | case 'R': | |
1033 | rate_quit = !!atoi(optarg); | |
1034 | break; | |
1035 | case 'o': | |
1036 | def_thread.odirect = !!atoi(optarg); | |
1037 | break; | |
1038 | case 'f': | |
1039 | ini_file = strdup(optarg); | |
1040 | break; | |
1041 | case 'l': | |
1042 | write_lat_log = 1; | |
1043 | break; | |
1044 | case 'w': | |
1045 | write_bw_log = 1; | |
1046 | break; | |
4785f995 JA |
1047 | case 'h': |
1048 | usage(argv[0]); | |
1049 | exit(0); | |
ebac4655 JA |
1050 | case 'v': |
1051 | printf("%s\n", fio_version_string); | |
1052 | exit(0); | |
1053 | } | |
1054 | } | |
c9fad893 JA |
1055 | |
1056 | if (!ini_file && argc > 1 && argv[argc - 1][0] != '-') | |
1057 | ini_file = strdup(argv[argc - 1]); | |
ebac4655 JA |
1058 | } |
1059 | ||
1060 | static void free_shm(void) | |
1061 | { | |
1062 | struct shmid_ds sbuf; | |
1063 | ||
1064 | if (threads) { | |
1065 | shmdt(threads); | |
1066 | threads = NULL; | |
1067 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | static int setup_thread_area(void) | |
1072 | { | |
1073 | /* | |
1074 | * 1024 is too much on some machines, scale max_jobs if | |
1075 | * we get a failure that looks like too large a shm segment | |
1076 | */ | |
1077 | do { | |
1078 | int s = max_jobs * sizeof(struct thread_data); | |
1079 | ||
1080 | shm_id = shmget(0, s, IPC_CREAT | 0600); | |
1081 | if (shm_id != -1) | |
1082 | break; | |
1083 | if (errno != EINVAL) { | |
1084 | perror("shmget"); | |
1085 | break; | |
1086 | } | |
1087 | ||
1088 | max_jobs >>= 1; | |
1089 | } while (max_jobs); | |
1090 | ||
1091 | if (shm_id == -1) | |
1092 | return 1; | |
1093 | ||
1094 | threads = shmat(shm_id, NULL, 0); | |
1095 | if (threads == (void *) -1) { | |
1096 | perror("shmat"); | |
1097 | return 1; | |
1098 | } | |
1099 | ||
1100 | atexit(free_shm); | |
1101 | return 0; | |
1102 | } | |
1103 | ||
1104 | int parse_options(int argc, char *argv[]) | |
1105 | { | |
1106 | if (setup_thread_area()) | |
1107 | return 1; | |
1108 | if (fill_def_thread()) | |
1109 | return 1; | |
1110 | ||
1111 | parse_cmd_line(argc, argv); | |
1112 | ||
1113 | if (!ini_file) { | |
1114 | printf("Need job file\n"); | |
4785f995 | 1115 | usage(argv[0]); |
ebac4655 JA |
1116 | return 1; |
1117 | } | |
1118 | ||
07261983 | 1119 | if (parse_jobs_ini(ini_file)) |
ebac4655 JA |
1120 | return 1; |
1121 | ||
1122 | return 0; | |
1123 | } |